1#!/bin/sh 2# 3# FFmpeg configure script 4# 5# Copyright (c) 2000-2002 Fabrice Bellard 6# Copyright (c) 2005-2008 Diego Biurrun 7# Copyright (c) 2005-2008 Mans Rullgard 8# 9 10# Prevent locale nonsense from breaking basic text processing. 11LC_ALL=C 12export LC_ALL 13 14# make sure we are running under a compatible shell 15# try to make this part work with most shells 16 17try_exec(){ 18 echo "Trying shell $1" 19 type "$1" > /dev/null 2>&1 && exec "$@" 20} 21 22unset foo 23(: ${foo%%bar}) 2> /dev/null 24E1="$?" 25 26(: ${foo?}) 2> /dev/null 27E2="$?" 28 29if test "$E1" != 0 || test "$E2" = 0; then 30 echo "Broken shell detected. Trying alternatives." 31 export FF_CONF_EXEC 32 if test "0$FF_CONF_EXEC" -lt 1; then 33 FF_CONF_EXEC=1 34 try_exec bash "$0" "$@" 35 fi 36 if test "0$FF_CONF_EXEC" -lt 2; then 37 FF_CONF_EXEC=2 38 try_exec ksh "$0" "$@" 39 fi 40 if test "0$FF_CONF_EXEC" -lt 3; then 41 FF_CONF_EXEC=3 42 try_exec /usr/xpg4/bin/sh "$0" "$@" 43 fi 44 echo "No compatible shell script interpreter found." 45 echo "This configure script requires a POSIX-compatible shell" 46 echo "such as bash or ksh." 47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH." 48 echo "Instead, install a working POSIX-compatible shell." 49 echo "Disabling this configure test will create a broken FFmpeg." 50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then 51 echo "This bash version ($BASH_VERSION) is broken on your platform." 52 echo "Upgrade to a later version if available." 53 fi 54 exit 1 55fi 56 57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH 58 59show_help(){ 60 cat <<EOF 61Usage: configure [options] 62Options: [defaults in brackets after descriptions] 63 64Help options: 65 --help print this message 66 --quiet Suppress showing informative output 67 --list-decoders show all available decoders 68 --list-encoders show all available encoders 69 --list-hwaccels show all available hardware accelerators 70 --list-demuxers show all available demuxers 71 --list-muxers show all available muxers 72 --list-parsers show all available parsers 73 --list-protocols show all available protocols 74 --list-bsfs show all available bitstream filters 75 --list-indevs show all available input devices 76 --list-outdevs show all available output devices 77 --list-filters show all available filters 78 79Standard options: 80 --logfile=FILE log tests and output to FILE [ffbuild/config.log] 81 --disable-logging do not log configure debug information 82 --fatal-warnings fail if any configure warning is generated 83 --prefix=PREFIX install in PREFIX [$prefix_default] 84 --bindir=DIR install binaries in DIR [PREFIX/bin] 85 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg] 86 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg] 87 --libdir=DIR install libs in DIR [PREFIX/lib] 88 --shlibdir=DIR install shared libs in DIR [LIBDIR] 89 --incdir=DIR install includes in DIR [PREFIX/include] 90 --mandir=DIR install man page in DIR [PREFIX/share/man] 91 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig] 92 --enable-rpath use rpath to allow installing libraries in paths 93 not part of the dynamic linker search path 94 use rpath when linking programs (USE WITH CARE) 95 --install-name-dir=DIR Darwin directory name for installed targets 96 97Licensing options: 98 --enable-gpl allow use of GPL code, the resulting libs 99 and binaries will be under GPL [no] 100 --enable-version3 upgrade (L)GPL to version 3 [no] 101 --enable-nonfree allow use of nonfree code, the resulting libs 102 and binaries will be unredistributable [no] 103 104Configuration options: 105 --disable-static do not build static libraries [no] 106 --enable-shared build shared libraries [no] 107 --enable-small optimize for size instead of speed 108 --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary) 109 --enable-gray enable full grayscale support (slower color) 110 --disable-swscale-alpha disable alpha channel support in swscale 111 --disable-all disable building components, libraries and programs 112 --disable-autodetect disable automatically detected external libraries [no] 113 114Program options: 115 --disable-programs do not build command line programs 116 --disable-ffmpeg disable ffmpeg build 117 --disable-ffplay disable ffplay build 118 --disable-ffprobe disable ffprobe build 119 120Documentation options: 121 --disable-doc do not build documentation 122 --disable-htmlpages do not build HTML documentation pages 123 --disable-manpages do not build man documentation pages 124 --disable-podpages do not build POD documentation pages 125 --disable-txtpages do not build text documentation pages 126 127Component options: 128 --disable-avdevice disable libavdevice build 129 --disable-avcodec disable libavcodec build 130 --disable-avformat disable libavformat build 131 --disable-swresample disable libswresample build 132 --disable-swscale disable libswscale build 133 --disable-postproc disable libpostproc build 134 --disable-avfilter disable libavfilter build 135 --enable-avresample enable libavresample build (deprecated) [no] 136 --disable-pthreads disable pthreads [autodetect] 137 --disable-w32threads disable Win32 threads [autodetect] 138 --disable-os2threads disable OS/2 threads [autodetect] 139 --disable-network disable network support [no] 140 --disable-dct disable DCT code 141 --disable-dwt disable DWT code 142 --disable-error-resilience disable error resilience code 143 --disable-lsp disable LSP code 144 --disable-lzo disable LZO decoder code 145 --disable-mdct disable MDCT code 146 --disable-rdft disable RDFT code 147 --disable-fft disable FFT code 148 --disable-faan disable floating point AAN (I)DCT code 149 --disable-pixelutils disable pixel utils in libavutil 150 151Individual component options: 152 --disable-everything disable all components listed below 153 --disable-encoder=NAME disable encoder NAME 154 --enable-encoder=NAME enable encoder NAME 155 --disable-encoders disable all encoders 156 --disable-decoder=NAME disable decoder NAME 157 --enable-decoder=NAME enable decoder NAME 158 --disable-decoders disable all decoders 159 --disable-hwaccel=NAME disable hwaccel NAME 160 --enable-hwaccel=NAME enable hwaccel NAME 161 --disable-hwaccels disable all hwaccels 162 --disable-muxer=NAME disable muxer NAME 163 --enable-muxer=NAME enable muxer NAME 164 --disable-muxers disable all muxers 165 --disable-demuxer=NAME disable demuxer NAME 166 --enable-demuxer=NAME enable demuxer NAME 167 --disable-demuxers disable all demuxers 168 --enable-parser=NAME enable parser NAME 169 --disable-parser=NAME disable parser NAME 170 --disable-parsers disable all parsers 171 --enable-bsf=NAME enable bitstream filter NAME 172 --disable-bsf=NAME disable bitstream filter NAME 173 --disable-bsfs disable all bitstream filters 174 --enable-protocol=NAME enable protocol NAME 175 --disable-protocol=NAME disable protocol NAME 176 --disable-protocols disable all protocols 177 --enable-indev=NAME enable input device NAME 178 --disable-indev=NAME disable input device NAME 179 --disable-indevs disable input devices 180 --enable-outdev=NAME enable output device NAME 181 --disable-outdev=NAME disable output device NAME 182 --disable-outdevs disable output devices 183 --disable-devices disable all devices 184 --enable-filter=NAME enable filter NAME 185 --disable-filter=NAME disable filter NAME 186 --disable-filters disable all filters 187 188External library support: 189 190 Using any of the following switches will allow FFmpeg to link to the 191 corresponding external library. All the components depending on that library 192 will become enabled, if all their other dependencies are met and they are not 193 explicitly disabled. E.g. --enable-libopus will enable linking to 194 libopus and allow the libopus encoder to be built, unless it is 195 specifically disabled with --disable-encoder=libopus. 196 197 Note that only the system libraries are auto-detected. All the other external 198 libraries must be explicitly enabled. 199 200 Also note that the following help text describes the purpose of the libraries 201 themselves, not all their features will necessarily be usable by FFmpeg. 202 203 --disable-alsa disable ALSA support [autodetect] 204 --disable-appkit disable Apple AppKit framework [autodetect] 205 --disable-avfoundation disable Apple AVFoundation framework [autodetect] 206 --enable-avisynth enable reading of AviSynth script files [no] 207 --disable-bzlib disable bzlib [autodetect] 208 --disable-coreimage disable Apple CoreImage framework [autodetect] 209 --enable-chromaprint enable audio fingerprinting with chromaprint [no] 210 --enable-frei0r enable frei0r video filtering [no] 211 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support 212 if openssl, librtmp or gmp is not used [no] 213 --enable-gmp enable gmp, needed for rtmp(t)e support 214 if openssl or librtmp is not used [no] 215 --enable-gnutls enable gnutls, needed for https support 216 if openssl, libtls or mbedtls is not used [no] 217 --disable-iconv disable iconv [autodetect] 218 --enable-jni enable JNI support [no] 219 --enable-ladspa enable LADSPA audio filtering [no] 220 --enable-libaom enable AV1 video encoding/decoding via libaom [no] 221 --enable-libaribb24 enable ARIB text and caption decoding via libaribb24 [no] 222 --enable-libass enable libass subtitles rendering, 223 needed for subtitles and ass filter [no] 224 --enable-libbluray enable BluRay reading using libbluray [no] 225 --enable-libbs2b enable bs2b DSP library [no] 226 --enable-libcaca enable textual display using libcaca [no] 227 --enable-libcelt enable CELT decoding via libcelt [no] 228 --enable-libcdio enable audio CD grabbing with libcdio [no] 229 --enable-libcodec2 enable codec2 en/decoding using libcodec2 [no] 230 --enable-libdav1d enable AV1 decoding via libdav1d [no] 231 --enable-libdavs2 enable AVS2 decoding via libdavs2 [no] 232 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394 233 and libraw1394 [no] 234 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no] 235 --enable-libflite enable flite (voice synthesis) support via libflite [no] 236 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no] 237 --enable-libfreetype enable libfreetype, needed for drawtext filter [no] 238 --enable-libfribidi enable libfribidi, improves drawtext filter [no] 239 --enable-libglslang enable GLSL->SPIRV compilation via libglslang [no] 240 --enable-libgme enable Game Music Emu via libgme [no] 241 --enable-libgsm enable GSM de/encoding via libgsm [no] 242 --enable-libiec61883 enable iec61883 via libiec61883 [no] 243 --enable-libilbc enable iLBC de/encoding via libilbc [no] 244 --enable-libjack enable JACK audio sound server [no] 245 --enable-libklvanc enable Kernel Labs VANC processing [no] 246 --enable-libkvazaar enable HEVC encoding via libkvazaar [no] 247 --enable-liblensfun enable lensfun lens correction [no] 248 --enable-libmodplug enable ModPlug via libmodplug [no] 249 --enable-libmp3lame enable MP3 encoding via libmp3lame [no] 250 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no] 251 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no] 252 --enable-libopencv enable video filtering via libopencv [no] 253 --enable-libopenh264 enable H.264 encoding via OpenH264 [no] 254 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no] 255 --enable-libopenmpt enable decoding tracked files via libopenmpt [no] 256 --enable-libopenvino enable OpenVINO as a DNN module backend 257 for DNN based filters like dnn_processing [no] 258 --enable-libopus enable Opus de/encoding via libopus [no] 259 --enable-libpulse enable Pulseaudio input via libpulse [no] 260 --enable-librabbitmq enable RabbitMQ library [no] 261 --enable-librav1e enable AV1 encoding via rav1e [no] 262 --enable-librist enable RIST via librist [no] 263 --enable-librsvg enable SVG rasterization via librsvg [no] 264 --enable-librubberband enable rubberband needed for rubberband filter [no] 265 --enable-librtmp enable RTMP[E] support via librtmp [no] 266 --enable-libshine enable fixed-point MP3 encoding via libshine [no] 267 --enable-libsmbclient enable Samba protocol via libsmbclient [no] 268 --enable-libsnappy enable Snappy compression, needed for hap encoding [no] 269 --enable-libsoxr enable Include libsoxr resampling [no] 270 --enable-libspeex enable Speex de/encoding via libspeex [no] 271 --enable-libsrt enable Haivision SRT protocol via libsrt [no] 272 --enable-libssh enable SFTP protocol via libssh [no] 273 --enable-libsvtav1 enable AV1 encoding via SVT [no] 274 --enable-libtensorflow enable TensorFlow as a DNN module backend 275 for DNN based filters like sr [no] 276 --enable-libtesseract enable Tesseract, needed for ocr filter [no] 277 --enable-libtheora enable Theora encoding via libtheora [no] 278 --enable-libtls enable LibreSSL (via libtls), needed for https support 279 if openssl, gnutls or mbedtls is not used [no] 280 --enable-libtwolame enable MP2 encoding via libtwolame [no] 281 --enable-libuavs3d enable AVS3 decoding via libuavs3d [no] 282 --enable-libv4l2 enable libv4l2/v4l-utils [no] 283 --enable-libvidstab enable video stabilization using vid.stab [no] 284 --enable-libvmaf enable vmaf filter via libvmaf [no] 285 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no] 286 --enable-libvorbis enable Vorbis en/decoding via libvorbis, 287 native implementation exists [no] 288 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no] 289 --enable-libwebp enable WebP encoding via libwebp [no] 290 --enable-libx264 enable H.264 encoding via x264 [no] 291 --enable-libx265 enable HEVC encoding via x265 [no] 292 --enable-libxavs enable AVS encoding via xavs [no] 293 --enable-libxavs2 enable AVS2 encoding via xavs2 [no] 294 --enable-libxcb enable X11 grabbing using XCB [autodetect] 295 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect] 296 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect] 297 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect] 298 --enable-libxvid enable Xvid encoding via xvidcore, 299 native MPEG-4/Xvid encoder exists [no] 300 --enable-libxml2 enable XML parsing using the C library libxml2, needed 301 for dash demuxing support [no] 302 --enable-libzimg enable z.lib, needed for zscale filter [no] 303 --enable-libzmq enable message passing via libzmq [no] 304 --enable-libzvbi enable teletext support via libzvbi [no] 305 --enable-lv2 enable LV2 audio filtering [no] 306 --disable-lzma disable lzma [autodetect] 307 --enable-decklink enable Blackmagic DeckLink I/O support [no] 308 --enable-mbedtls enable mbedTLS, needed for https support 309 if openssl, gnutls or libtls is not used [no] 310 --enable-mediacodec enable Android MediaCodec support [no] 311 --enable-mediafoundation enable encoding via MediaFoundation [auto] 312 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no] 313 --enable-openal enable OpenAL 1.1 capture support [no] 314 --enable-opencl enable OpenCL processing [no] 315 --enable-opengl enable OpenGL rendering [no] 316 --enable-openssl enable openssl, needed for https support 317 if gnutls, libtls or mbedtls is not used [no] 318 --enable-pocketsphinx enable PocketSphinx, needed for asr filter [no] 319 --disable-sndio disable sndio support [autodetect] 320 --disable-schannel disable SChannel SSP, needed for TLS support on 321 Windows if openssl and gnutls are not used [autodetect] 322 --disable-sdl2 disable sdl2 [autodetect] 323 --disable-securetransport disable Secure Transport, needed for TLS support 324 on OSX if openssl and gnutls are not used [autodetect] 325 --enable-vapoursynth enable VapourSynth demuxer [no] 326 --enable-vulkan enable Vulkan code [no] 327 --disable-xlib disable xlib [autodetect] 328 --disable-zlib disable zlib [autodetect] 329 330 The following libraries provide various hardware acceleration features: 331 --disable-amf disable AMF video encoding code [autodetect] 332 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect] 333 --enable-cuda-nvcc enable Nvidia CUDA compiler [no] 334 --disable-cuda-llvm disable CUDA compilation using clang [autodetect] 335 --disable-cuvid disable Nvidia CUVID support [autodetect] 336 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect] 337 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect] 338 --disable-ffnvcodec disable dynamically linked Nvidia code [autodetect] 339 --enable-libdrm enable DRM code (Linux) [no] 340 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no] 341 --enable-libnpp enable Nvidia Performance Primitives-based code [no] 342 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no] 343 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect] 344 --disable-nvenc disable Nvidia video encoding code [autodetect] 345 --enable-omx enable OpenMAX IL code [no] 346 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no] 347 --enable-rkmpp enable Rockchip Media Process Platform code [no] 348 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect] 349 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect] 350 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect] 351 --disable-videotoolbox disable VideoToolbox code [autodetect] 352 353Toolchain options: 354 --arch=ARCH select architecture [$arch] 355 --cpu=CPU select the minimum required CPU (affects 356 instruction selection, may crash on older CPUs) 357 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix] 358 --progs-suffix=SUFFIX program name suffix [] 359 --enable-cross-compile assume a cross-compiler is used 360 --sysroot=PATH root of cross-build tree 361 --sysinclude=PATH location of cross-build system headers 362 --target-os=OS compiler targets OS [$target_os] 363 --target-exec=CMD command to run executables on target 364 --target-path=DIR path to view of build directory on target 365 --target-samples=DIR path to samples directory on target 366 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks 367 --toolchain=NAME set tool defaults according to NAME 368 (gcc-asan, clang-asan, gcc-msan, clang-msan, 369 gcc-tsan, clang-tsan, gcc-usan, clang-usan, 370 valgrind-massif, valgrind-memcheck, 371 msvc, icl, gcov, llvm-cov, hardened) 372 --nm=NM use nm tool NM [$nm_default] 373 --ar=AR use archive tool AR [$ar_default] 374 --as=AS use assembler AS [$as_default] 375 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default] 376 --strip=STRIP use strip tool STRIP [$strip_default] 377 --windres=WINDRES use windows resource compiler WINDRES [$windres_default] 378 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default] 379 --cc=CC use C compiler CC [$cc_default] 380 --cxx=CXX use C compiler CXX [$cxx_default] 381 --objcc=OCC use ObjC compiler OCC [$cc_default] 382 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default] 383 --nvcc=NVCC use Nvidia CUDA compiler NVCC or clang [$nvcc_default] 384 --ld=LD use linker LD [$ld_default] 385 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default] 386 --pkg-config-flags=FLAGS pass additional flags to pkgconf [] 387 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default] 388 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default] 389 --host-cc=HOSTCC use host C compiler HOSTCC 390 --host-cflags=HCFLAGS use HCFLAGS when compiling for host 391 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host 392 --host-ld=HOSTLD use host linker HOSTLD 393 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host 394 --host-extralibs=HLIBS use libs HLIBS when linking for host 395 --host-os=OS compiler host OS [$target_os] 396 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS] 397 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS] 398 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS] 399 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS] 400 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS] 401 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS] 402 --extra-libs=ELIBS add ELIBS [$ELIBS] 403 --extra-version=STRING version string suffix [] 404 --optflags=OPTFLAGS override optimization-related compiler flags 405 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default] 406 --build-suffix=SUFFIX library name suffix [] 407 --enable-pic build position-independent code 408 --enable-thumb compile for Thumb instruction set 409 --enable-lto use link-time optimization 410 --env="ENV=override" override the environment variables 411 412Advanced options (experts only): 413 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX 414 --custom-allocator=NAME use a supported custom allocator 415 --disable-symver disable symbol versioning 416 --enable-hardcoded-tables use hardcoded tables instead of runtime generation 417 --disable-safe-bitstream-reader 418 disable buffer boundary checking in bitreaders 419 (faster, but may crash) 420 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default] 421 422Optimization options (experts only): 423 --disable-asm disable all assembly optimizations 424 --disable-altivec disable AltiVec optimizations 425 --disable-vsx disable VSX optimizations 426 --disable-power8 disable POWER8 optimizations 427 --disable-amd3dnow disable 3DNow! optimizations 428 --disable-amd3dnowext disable 3DNow! extended optimizations 429 --disable-mmx disable MMX optimizations 430 --disable-mmxext disable MMXEXT optimizations 431 --disable-sse disable SSE optimizations 432 --disable-sse2 disable SSE2 optimizations 433 --disable-sse3 disable SSE3 optimizations 434 --disable-ssse3 disable SSSE3 optimizations 435 --disable-sse4 disable SSE4 optimizations 436 --disable-sse42 disable SSE4.2 optimizations 437 --disable-avx disable AVX optimizations 438 --disable-xop disable XOP optimizations 439 --disable-fma3 disable FMA3 optimizations 440 --disable-fma4 disable FMA4 optimizations 441 --disable-avx2 disable AVX2 optimizations 442 --disable-avx512 disable AVX-512 optimizations 443 --disable-aesni disable AESNI optimizations 444 --disable-armv5te disable armv5te optimizations 445 --disable-armv6 disable armv6 optimizations 446 --disable-armv6t2 disable armv6t2 optimizations 447 --disable-vfp disable VFP optimizations 448 --disable-neon disable NEON optimizations 449 --disable-inline-asm disable use of inline assembly 450 --disable-x86asm disable use of standalone x86 assembly 451 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations 452 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations 453 --disable-msa disable MSA optimizations 454 --disable-msa2 disable MSA2 optimizations 455 --disable-mipsfpu disable floating point MIPS optimizations 456 --disable-mmi disable Loongson SIMD optimizations 457 --disable-fast-unaligned consider unaligned accesses slow 458 459Developer options (useful when working on FFmpeg itself): 460 --disable-debug disable debugging symbols 461 --enable-debug=LEVEL set the debug level [$debuglevel] 462 --disable-optimizations disable compiler optimizations 463 --enable-extra-warnings enable more compiler warnings 464 --disable-stripping disable stripping of executables and shared libraries 465 --assert-level=level 0(default), 1 or 2, amount of assertion testing, 466 2 causes a slowdown at runtime. 467 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data 468 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory 469 leaks and errors, using the specified valgrind binary. 470 Cannot be combined with --target-exec 471 --enable-ftrapv Trap arithmetic overflows 472 --samples=PATH location of test samples for FATE, if not set use 473 \$FATE_SAMPLES at make invocation time. 474 --enable-neon-clobber-test check NEON registers for clobbering (should be 475 used only for debugging purposes) 476 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only; 477 should be used only for debugging purposes) 478 --enable-random randomly enable/disable components 479 --disable-random 480 --enable-random=LIST randomly enable/disable specific components or 481 --disable-random=LIST component groups. LIST is a comma-separated list 482 of NAME[:PROB] entries where NAME is a component 483 (group) and PROB the probability associated with 484 NAME (default 0.5). 485 --random-seed=VALUE seed value for --enable/disable-random 486 --disable-valgrind-backtrace do not print a backtrace under Valgrind 487 (only applies to --disable-optimizations builds) 488 --enable-ossfuzz Enable building fuzzer tool 489 --libfuzzer=PATH path to libfuzzer 490 --ignore-tests=TESTS comma-separated list (without "fate-" prefix 491 in the name) of tests whose result is ignored 492 --enable-linux-perf enable Linux Performance Monitor API 493 --disable-large-tests disable tests that use a large amount of memory 494 495NOTE: Object files are built at the place where configure is launched. 496EOF 497 exit 0 498} 499 500if test -t 1 && which tput >/dev/null 2>&1; then 501 ncolors=$(tput colors) 502 if test -n "$ncolors" && test $ncolors -ge 8; then 503 bold_color=$(tput bold) 504 warn_color=$(tput setaf 3) 505 error_color=$(tput setaf 1) 506 reset_color=$(tput sgr0) 507 fi 508 # 72 used instead of 80 since that's the default of pr 509 ncols=$(tput cols) 510fi 511: ${ncols:=72} 512 513log(){ 514 echo "$@" >> $logfile 515} 516 517log_file(){ 518 log BEGIN "$1" 519 log_file_i=1 520 while IFS= read -r log_file_line; do 521 printf '%5d\t%s\n' "$log_file_i" "$log_file_line" 522 log_file_i=$(($log_file_i+1)) 523 done < "$1" >> "$logfile" 524 log END "$1" 525} 526 527warn(){ 528 log "WARNING: $*" 529 WARNINGS="${WARNINGS}WARNING: $*\n" 530} 531 532die(){ 533 log "$@" 534 echo "$error_color$bold_color$@$reset_color" 535 cat <<EOF 536 537If you think configure made a mistake, make sure you are using the latest 538version from Git. If the latest version fails, report the problem to the 539ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.libera.chat. 540EOF 541 if disabled logging; then 542 cat <<EOF 543Rerun configure with logging enabled (do not use --disable-logging), and 544include the log this produces with your report. 545EOF 546 else 547 cat <<EOF 548Include the log file "$logfile" produced by configure as this will help 549solve the problem. 550EOF 551 fi 552 exit 1 553} 554 555# Avoid locale weirdness, besides we really just want to translate ASCII. 556toupper(){ 557 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ 558} 559 560tolower(){ 561 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 562} 563 564c_escape(){ 565 echo "$*" | sed 's/["\\]/\\\0/g' 566} 567 568sh_quote(){ 569 v=$(echo "$1" | sed "s/'/'\\\\''/g") 570 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'" 571 echo "$v" 572} 573 574cleanws(){ 575 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//' 576} 577 578filter(){ 579 pat=$1 580 shift 581 for v; do 582 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac" 583 done 584} 585 586filter_out(){ 587 pat=$1 588 shift 589 for v; do 590 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac" 591 done 592} 593 594map(){ 595 m=$1 596 shift 597 for v; do eval $m; done 598} 599 600add_suffix(){ 601 suffix=$1 602 shift 603 for v; do echo ${v}${suffix}; done 604} 605 606remove_suffix(){ 607 suffix=$1 608 shift 609 for v; do echo ${v%$suffix}; done 610} 611 612set_all(){ 613 value=$1 614 shift 615 for var in $*; do 616 eval $var=$value 617 done 618} 619 620set_weak(){ 621 value=$1 622 shift 623 for var; do 624 eval : \${$var:=$value} 625 done 626} 627 628sanitize_var_name(){ 629 echo $@ | sed 's/[^A-Za-z0-9_]/_/g' 630} 631 632set_sanitized(){ 633 var=$1 634 shift 635 eval $(sanitize_var_name "$var")='$*' 636} 637 638get_sanitized(){ 639 eval echo \$$(sanitize_var_name "$1") 640} 641 642pushvar(){ 643 for pvar in $*; do 644 eval level=\${${pvar}_level:=0} 645 eval ${pvar}_${level}="\$$pvar" 646 eval ${pvar}_level=$(($level+1)) 647 done 648} 649 650popvar(){ 651 for pvar in $*; do 652 eval level=\${${pvar}_level:-0} 653 test $level = 0 && continue 654 eval level=$(($level-1)) 655 eval $pvar="\${${pvar}_${level}}" 656 eval ${pvar}_level=$level 657 eval unset ${pvar}_${level} 658 done 659} 660 661request(){ 662 for var in $*; do 663 eval ${var}_requested=yes 664 eval $var= 665 done 666} 667 668warn_if_gets_disabled(){ 669 for var in $*; do 670 WARN_IF_GETS_DISABLED_LIST="$WARN_IF_GETS_DISABLED_LIST $var" 671 done 672} 673 674enable(){ 675 set_all yes $* 676} 677 678disable(){ 679 set_all no $* 680} 681 682disable_with_reason(){ 683 disable $1 684 eval "${1}_disable_reason=\"$2\"" 685 if requested $1; then 686 die "ERROR: $1 requested, but $2" 687 fi 688} 689 690enable_weak(){ 691 set_weak yes $* 692} 693 694disable_weak(){ 695 set_weak no $* 696} 697 698enable_sanitized(){ 699 for var; do 700 enable $(sanitize_var_name $var) 701 done 702} 703 704disable_sanitized(){ 705 for var; do 706 disable $(sanitize_var_name $var) 707 done 708} 709 710do_enable_deep(){ 711 for var; do 712 enabled $var && continue 713 set -- $var 714 eval enable_deep \$${var}_select 715 var=$1 716 eval enable_deep_weak \$${var}_suggest 717 done 718} 719 720enable_deep(){ 721 do_enable_deep $* 722 enable $* 723} 724 725enable_deep_weak(){ 726 for var; do 727 disabled $var && continue 728 set -- $var 729 do_enable_deep $var 730 var=$1 731 enable_weak $var 732 done 733} 734 735requested(){ 736 test "${1#!}" = "$1" && op="=" || op="!=" 737 eval test "x\$${1#!}_requested" $op "xyes" 738} 739 740enabled(){ 741 test "${1#!}" = "$1" && op="=" || op="!=" 742 eval test "x\$${1#!}" $op "xyes" 743} 744 745disabled(){ 746 test "${1#!}" = "$1" && op="=" || op="!=" 747 eval test "x\$${1#!}" $op "xno" 748} 749 750enabled_all(){ 751 for opt; do 752 enabled $opt || return 1 753 done 754} 755 756disabled_all(){ 757 for opt; do 758 disabled $opt || return 1 759 done 760} 761 762enabled_any(){ 763 for opt; do 764 enabled $opt && return 0 765 done 766} 767 768disabled_any(){ 769 for opt; do 770 disabled $opt && return 0 771 done 772 return 1 773} 774 775set_default(){ 776 for opt; do 777 eval : \${$opt:=\$${opt}_default} 778 done 779} 780 781is_in(){ 782 value=$1 783 shift 784 for var in $*; do 785 [ $var = $value ] && return 0 786 done 787 return 1 788} 789 790# The cfg loop is very hot (several thousands iterations), and in bash also 791# potentialy quite slow. Try to abort the iterations early, preferably without 792# calling functions. 70%+ of the time cfg is already done or without deps. 793check_deps(){ 794 for cfg; do 795 eval [ x\$${cfg}_checking = xdone ] && continue 796 eval [ x\$${cfg}_checking = xinprogress ] && die "Circular dependency for $cfg." 797 798 eval " 799 dep_all=\$${cfg}_deps 800 dep_any=\$${cfg}_deps_any 801 dep_con=\$${cfg}_conflict 802 dep_sel=\$${cfg}_select 803 dep_sgs=\$${cfg}_suggest 804 dep_ifa=\$${cfg}_if 805 dep_ifn=\$${cfg}_if_any 806 " 807 808 # most of the time here $cfg has no deps - avoid costly no-op work 809 if [ "$dep_all$dep_any$dep_con$dep_sel$dep_sgs$dep_ifa$dep_ifn" ]; then 810 eval ${cfg}_checking=inprogress 811 812 set -- $cfg "$dep_all" "$dep_any" "$dep_con" "$dep_sel" "$dep_sgs" "$dep_ifa" "$dep_ifn" 813 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn 814 cfg=$1; dep_all=$2; dep_any=$3; dep_con=$4; dep_sel=$5 dep_sgs=$6; dep_ifa=$7; dep_ifn=$8 815 816 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; } 817 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; } 818 enabled_all $dep_all || { disable_with_reason $cfg "not all dependencies are satisfied: $dep_all"; } 819 enabled_any $dep_any || { disable_with_reason $cfg "not any dependency is satisfied: $dep_any"; } 820 disabled_all $dep_con || { disable_with_reason $cfg "some conflicting dependencies are unsatisfied: $dep_con"; } 821 disabled_any $dep_sel && { disable_with_reason $cfg "some selected dependency is unsatisfied: $dep_sel"; } 822 823 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs 824 825 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do 826 # filter out library deps, these do not belong in extralibs 827 is_in $dep $LIBRARY_LIST && continue 828 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs 829 done 830 fi 831 832 eval ${cfg}_checking=done 833 done 834} 835 836print_config(){ 837 pfx=$1 838 files=$2 839 shift 2 840 map 'eval echo "$v \${$v:-no}"' "$@" | 841 awk "BEGIN { split(\"$files\", files) } 842 { 843 c = \"$pfx\" toupper(\$1); 844 v = \$2; 845 sub(/yes/, 1, v); 846 sub(/no/, 0, v); 847 for (f in files) { 848 file = files[f]; 849 if (file ~ /\\.h\$/) { 850 printf(\"#define %s %d\\n\", c, v) >>file; 851 } else if (file ~ /\\.asm\$/) { 852 printf(\"%%define %s %d\\n\", c, v) >>file; 853 } else if (file ~ /\\.mak\$/) { 854 n = -v ? \"\" : \"!\"; 855 printf(\"%s%s=yes\\n\", n, c) >>file; 856 } else if (file ~ /\\.texi\$/) { 857 pre = -v ? \"\" : \"@c \"; 858 yesno = \$2; 859 c2 = tolower(c); 860 gsub(/_/, \"-\", c2); 861 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file; 862 } 863 } 864 }" 865} 866 867print_enabled(){ 868 suf=$1 869 shift 870 for v; do 871 enabled $v && printf "%s\n" ${v%$suf} 872 done 873} 874 875append(){ 876 var=$1 877 shift 878 eval "$var=\"\$$var $*\"" 879} 880 881prepend(){ 882 var=$1 883 shift 884 eval "$var=\"$* \$$var\"" 885} 886 887reverse () { 888 eval ' 889 reverse_out= 890 for v in $'$1'; do 891 reverse_out="$v $reverse_out" 892 done 893 '$1'=$reverse_out 894 ' 895} 896 897# keeps the last occurence of each non-unique item 898unique(){ 899 unique_out= 900 eval unique_in=\$$1 901 reverse unique_in 902 for v in $unique_in; do 903 # " $unique_out" +space such that every item is surrounded with spaces 904 case " $unique_out" in *" $v "*) continue; esac # already in list 905 unique_out="$unique_out$v " 906 done 907 reverse unique_out 908 eval $1=\$unique_out 909} 910 911resolve(){ 912 resolve_out= 913 eval resolve_in=\$$1 914 for v in $resolve_in; do 915 eval 'resolve_out="$resolve_out$'$v' "' 916 done 917 eval $1=\$resolve_out 918} 919 920add_cppflags(){ 921 append CPPFLAGS "$@" 922} 923 924add_cflags(){ 925 append CFLAGS $($cflags_filter "$@") 926} 927 928add_cflags_headers(){ 929 append CFLAGS_HEADERS $($cflags_filter "$@") 930} 931 932add_cxxflags(){ 933 append CXXFLAGS $($cflags_filter "$@") 934} 935 936add_objcflags(){ 937 append OBJCFLAGS $($objcflags_filter "$@") 938} 939 940add_asflags(){ 941 append ASFLAGS $($asflags_filter "$@") 942} 943 944add_ldflags(){ 945 append LDFLAGS $($ldflags_filter "$@") 946} 947 948add_ldexeflags(){ 949 append LDEXEFLAGS $($ldflags_filter "$@") 950} 951 952add_ldsoflags(){ 953 append LDSOFLAGS $($ldflags_filter "$@") 954} 955 956add_extralibs(){ 957 prepend extralibs $($ldflags_filter "$@") 958} 959 960add_stripflags(){ 961 append ASMSTRIPFLAGS "$@" 962} 963 964add_host_cppflags(){ 965 append host_cppflags "$@" 966} 967 968add_host_cflags(){ 969 append host_cflags $($host_cflags_filter "$@") 970} 971 972add_host_ldflags(){ 973 append host_ldflags $($host_ldflags_filter "$@") 974} 975 976add_compat(){ 977 append compat_objs $1 978 shift 979 map 'add_cppflags -D$v' "$@" 980} 981 982test_cmd(){ 983 log "$@" 984 "$@" >> $logfile 2>&1 985} 986 987test_stat(){ 988 log test_stat "$@" 989 stat "$1" >> $logfile 2>&1 990} 991 992cc_e(){ 993 eval printf '%s\\n' $CC_E 994} 995 996cc_o(){ 997 eval printf '%s\\n' $CC_O 998} 999 1000as_o(){ 1001 eval printf '%s\\n' $AS_O 1002} 1003 1004x86asm_o(){ 1005 eval printf '%s\\n' $X86ASM_O 1006} 1007 1008ld_o(){ 1009 eval printf '%s\\n' $LD_O 1010} 1011 1012hostcc_e(){ 1013 eval printf '%s\\n' $HOSTCC_E 1014} 1015 1016hostcc_o(){ 1017 eval printf '%s\\n' $HOSTCC_O 1018} 1019 1020nvcc_o(){ 1021 eval printf '%s\\n' $NVCC_O 1022} 1023 1024test_cc(){ 1025 log test_cc "$@" 1026 cat > $TMPC 1027 log_file $TMPC 1028 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC 1029} 1030 1031test_cxx(){ 1032 log test_cxx "$@" 1033 cat > $TMPCPP 1034 log_file $TMPCPP 1035 test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP 1036} 1037 1038test_objcc(){ 1039 log test_objcc "$@" 1040 cat > $TMPM 1041 log_file $TMPM 1042 test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM 1043} 1044 1045test_nvcc(){ 1046 log test_nvcc "$@" 1047 cat > $TMPCU 1048 log_file $TMPCU 1049 tmpcu_=$TMPCU 1050 tmpo_=$TMPO 1051 [ -x "$(command -v cygpath)" ] && tmpcu_=$(cygpath -m $tmpcu_) && tmpo_=$(cygpath -m $tmpo_) 1052 test_cmd $nvcc $nvccflags "$@" $NVCC_C $(nvcc_o $tmpo_) $tmpcu_ 1053} 1054 1055check_nvcc() { 1056 log check_nvcc "$@" 1057 name=$1 1058 shift 1 1059 disabled $name && return 1060 disable $name 1061 test_nvcc "$@" <<EOF && enable $name 1062extern "C" { 1063 __global__ void hello(unsigned char *data) {} 1064} 1065EOF 1066} 1067 1068test_cpp(){ 1069 log test_cpp "$@" 1070 cat > $TMPC 1071 log_file $TMPC 1072 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC 1073} 1074 1075test_as(){ 1076 log test_as "$@" 1077 cat > $TMPS 1078 log_file $TMPS 1079 test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS 1080} 1081 1082test_x86asm(){ 1083 log test_x86asm "$@" 1084 echo "$1" > $TMPASM 1085 log_file $TMPASM 1086 shift 1087 test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM 1088} 1089 1090check_cmd(){ 1091 log check_cmd "$@" 1092 cmd=$1 1093 disabled $cmd && return 1094 disable $cmd 1095 test_cmd $@ && enable $cmd 1096} 1097 1098check_as(){ 1099 log check_as "$@" 1100 name=$1 1101 code=$2 1102 shift 2 1103 disable $name 1104 test_as $@ <<EOF && enable $name 1105$code 1106EOF 1107} 1108 1109check_inline_asm(){ 1110 log check_inline_asm "$@" 1111 name="$1" 1112 code="$2" 1113 shift 2 1114 disable $name 1115 test_cc "$@" <<EOF && enable $name 1116void foo(void){ __asm__ volatile($code); } 1117EOF 1118} 1119 1120check_inline_asm_flags(){ 1121 log check_inline_asm_flags "$@" 1122 name="$1" 1123 code="$2" 1124 flags='' 1125 shift 2 1126 while [ "$1" != "" ]; do 1127 append flags $1 1128 shift 1129 done; 1130 disable $name 1131 cat > $TMPC <<EOF 1132void foo(void){ __asm__ volatile($code); } 1133EOF 1134 log_file $TMPC 1135 test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC && 1136 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags 1137} 1138 1139check_insn(){ 1140 log check_insn "$@" 1141 check_inline_asm ${1}_inline "\"$2\"" 1142 check_as ${1}_external "$2" 1143} 1144 1145check_x86asm(){ 1146 log check_x86asm "$@" 1147 name=$1 1148 shift 1149 disable $name 1150 test_x86asm "$@" && enable $name 1151} 1152 1153test_ld(){ 1154 log test_ld "$@" 1155 type=$1 1156 shift 1 1157 flags=$(filter_out '-l*|*.so' $@) 1158 libs=$(filter '-l*|*.so' $@) 1159 test_$type $($cflags_filter $flags) || return 1160 flags=$($ldflags_filter $flags) 1161 libs=$($ldflags_filter $libs) 1162 test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs 1163} 1164 1165check_ld(){ 1166 log check_ld "$@" 1167 type=$1 1168 name=$2 1169 shift 2 1170 disable $name 1171 test_ld $type $@ && enable $name 1172} 1173 1174print_include(){ 1175 hdr=$1 1176 test "${hdr%.h}" = "${hdr}" && 1177 echo "#include $hdr" || 1178 echo "#include <$hdr>" 1179} 1180 1181test_code(){ 1182 log test_code "$@" 1183 check=$1 1184 headers=$2 1185 code=$3 1186 shift 3 1187 { 1188 for hdr in $headers; do 1189 print_include $hdr 1190 done 1191 echo "int main(void) { $code; return 0; }" 1192 } | test_$check "$@" 1193} 1194 1195check_cppflags(){ 1196 log check_cppflags "$@" 1197 test_cpp "$@" <<EOF && append CPPFLAGS "$@" 1198#include <stdlib.h> 1199EOF 1200} 1201 1202test_cflags(){ 1203 log test_cflags "$@" 1204 set -- $($cflags_filter "$@") 1205 test_cc "$@" <<EOF 1206int x; 1207EOF 1208} 1209 1210check_cflags(){ 1211 log check_cflags "$@" 1212 test_cflags "$@" && add_cflags "$@" 1213} 1214 1215check_cxxflags(){ 1216 log check_cxxflags "$@" 1217 set -- $($cflags_filter "$@") 1218 test_cxx "$@" <<EOF && append CXXFLAGS "$@" 1219int x; 1220EOF 1221} 1222 1223test_objcflags(){ 1224 log test_objcflags "$@" 1225 set -- $($objcflags_filter "$@") 1226 test_objcc "$@" <<EOF 1227int x; 1228EOF 1229} 1230 1231check_objcflags(){ 1232 log check_objcflags "$@" 1233 test_objcflags "$@" && add_objcflags "$@" 1234} 1235 1236test_ldflags(){ 1237 log test_ldflags "$@" 1238 set -- $($ldflags_filter "$@") 1239 test_ld "cc" "$@" <<EOF 1240int main(void){ return 0; } 1241EOF 1242} 1243 1244check_ldflags(){ 1245 log check_ldflags "$@" 1246 test_ldflags "$@" && add_ldflags "$@" 1247} 1248 1249test_stripflags(){ 1250 log test_stripflags "$@" 1251 # call test_cc to get a fresh TMPO 1252 test_cc <<EOF 1253int main(void) { return 0; } 1254EOF 1255 test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO 1256} 1257 1258check_stripflags(){ 1259 log check_stripflags "$@" 1260 test_stripflags "$@" && add_stripflags "$@" 1261} 1262 1263check_headers(){ 1264 log check_headers "$@" 1265 headers=$1 1266 shift 1267 disable_sanitized $headers 1268 { 1269 for hdr in $headers; do 1270 print_include $hdr 1271 done 1272 echo "int x;" 1273 } | test_cpp "$@" && enable_sanitized $headers 1274} 1275 1276check_header_objcc(){ 1277 log check_header_objcc "$@" 1278 rm -f -- "$TMPO" 1279 header=$1 1280 shift 1281 disable_sanitized $header 1282 { 1283 echo "#include <$header>" 1284 echo "int main(void) { return 0; }" 1285 } | test_objcc && test_stat "$TMPO" && enable_sanitized $header 1286} 1287 1288check_apple_framework(){ 1289 log check_apple_framework "$@" 1290 framework="$1" 1291 name="$(tolower $framework)" 1292 header="${framework}/${framework}.h" 1293 disable $name 1294 check_header_objcc $header && 1295 enable $name && eval ${name}_extralibs='"-framework $framework"' 1296} 1297 1298check_func(){ 1299 log check_func "$@" 1300 func=$1 1301 shift 1302 disable $func 1303 test_ld "cc" "$@" <<EOF && enable $func 1304extern int $func(); 1305int main(void){ $func(); } 1306EOF 1307} 1308 1309check_complexfunc(){ 1310 log check_complexfunc "$@" 1311 func=$1 1312 narg=$2 1313 shift 2 1314 test $narg = 2 && args="f, g" || args="f * I" 1315 disable $func 1316 test_ld "cc" "$@" <<EOF && enable $func 1317#include <complex.h> 1318#include <math.h> 1319float foo(complex float f, complex float g) { return $func($args); } 1320int main(void){ return (int) foo; } 1321EOF 1322} 1323 1324check_mathfunc(){ 1325 log check_mathfunc "$@" 1326 func=$1 1327 narg=$2 1328 shift 2 1329 test $narg = 2 && args="f, g" || args="f" 1330 disable $func 1331 test_ld "cc" "$@" <<EOF && enable $func 1332#include <math.h> 1333float foo(float f, float g) { return $func($args); } 1334int main(void){ return (int) foo; } 1335EOF 1336} 1337 1338check_func_headers(){ 1339 log check_func_headers "$@" 1340 headers=$1 1341 funcs=$2 1342 shift 2 1343 { 1344 for hdr in $headers; do 1345 print_include $hdr 1346 done 1347 echo "#include <stdint.h>" 1348 for func in $funcs; do 1349 echo "long check_$func(void) { return (long) $func; }" 1350 done 1351 echo "int main(void) { int ret = 0;" 1352 # LTO could optimize out the test functions without this 1353 for func in $funcs; do 1354 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;" 1355 done 1356 echo "return ret; }" 1357 } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers 1358} 1359 1360check_class_headers_cpp(){ 1361 log check_class_headers_cpp "$@" 1362 headers=$1 1363 classes=$2 1364 shift 2 1365 { 1366 for hdr in $headers; do 1367 echo "#include <$hdr>" 1368 done 1369 echo "int main(void) { " 1370 i=1 1371 for class in $classes; do 1372 echo "$class obj$i;" 1373 i=$(expr $i + 1) 1374 done 1375 echo "return 0; }" 1376 } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers 1377} 1378 1379test_cpp_condition(){ 1380 log test_cpp_condition "$@" 1381 header=$1 1382 condition=$2 1383 shift 2 1384 test_cpp "$@" <<EOF 1385#include <$header> 1386#if !($condition) 1387#error "unsatisfied condition: $condition" 1388#endif 1389EOF 1390} 1391 1392check_cpp_condition(){ 1393 log check_cpp_condition "$@" 1394 name=$1 1395 shift 1 1396 disable $name 1397 test_cpp_condition "$@" && enable $name 1398} 1399 1400test_cflags_cc(){ 1401 log test_cflags_cc "$@" 1402 flags=$1 1403 header=$2 1404 condition=$3 1405 shift 3 1406 set -- $($cflags_filter "$flags") 1407 test_cc "$@" <<EOF 1408#include <$header> 1409#if !($condition) 1410#error "unsatisfied condition: $condition" 1411#endif 1412EOF 1413} 1414 1415check_lib(){ 1416 log check_lib "$@" 1417 name="$1" 1418 headers="$2" 1419 funcs="$3" 1420 shift 3 1421 disable $name 1422 check_func_headers "$headers" "$funcs" "$@" && 1423 enable $name && eval ${name}_extralibs="\$@" 1424} 1425 1426check_lib_cpp(){ 1427 log check_lib_cpp "$@" 1428 name="$1" 1429 headers="$2" 1430 classes="$3" 1431 shift 3 1432 disable $name 1433 check_class_headers_cpp "$headers" "$classes" "$@" && 1434 enable $name && eval ${name}_extralibs="\$@" 1435} 1436 1437test_pkg_config(){ 1438 log test_pkg_config "$@" 1439 name="$1" 1440 pkg_version="$2" 1441 pkg="${2%% *}" 1442 headers="$3" 1443 funcs="$4" 1444 shift 4 1445 disable $name 1446 test_cmd $pkg_config --exists --print-errors $pkg_version || return 1447 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg) 1448 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg) 1449 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" && 1450 enable $name && 1451 set_sanitized "${name}_cflags" $pkg_cflags && 1452 set_sanitized "${name}_extralibs" $pkg_libs 1453} 1454 1455check_pkg_config(){ 1456 log check_pkg_config "$@" 1457 name="$1" 1458 test_pkg_config "$@" && 1459 eval add_cflags \$${name}_cflags 1460} 1461 1462test_exec(){ 1463 test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; } 1464} 1465 1466check_exec_crash(){ 1467 log check_exec_crash "$@" 1468 code=$(cat) 1469 1470 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX) 1471 # are safe but may not be available everywhere. Thus we use 1472 # raise(SIGTERM) instead. The check is run in a subshell so we 1473 # can redirect the "Terminated" message from the shell. SIGBUS 1474 # is not defined by standard C so it is used conditionally. 1475 1476 (test_exec "$@") >> $logfile 2>&1 <<EOF 1477#include <signal.h> 1478static void sighandler(int sig){ 1479 raise(SIGTERM); 1480} 1481int foo(void){ 1482 $code 1483} 1484int (*func_ptr)(void) = foo; 1485int main(void){ 1486 signal(SIGILL, sighandler); 1487 signal(SIGFPE, sighandler); 1488 signal(SIGSEGV, sighandler); 1489#ifdef SIGBUS 1490 signal(SIGBUS, sighandler); 1491#endif 1492 return func_ptr(); 1493} 1494EOF 1495} 1496 1497check_type(){ 1498 log check_type "$@" 1499 headers=$1 1500 type=$2 1501 shift 2 1502 disable_sanitized "$type" 1503 test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type" 1504} 1505 1506check_struct(){ 1507 log check_struct "$@" 1508 headers=$1 1509 struct=$2 1510 member=$3 1511 shift 3 1512 disable_sanitized "${struct}_${member}" 1513 test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" && 1514 enable_sanitized "${struct}_${member}" 1515} 1516 1517check_builtin(){ 1518 log check_builtin "$@" 1519 name=$1 1520 headers=$2 1521 builtin=$3 1522 shift 3 1523 disable "$name" 1524 test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name" 1525} 1526 1527check_compile_assert(){ 1528 log check_compile_assert "$@" 1529 name=$1 1530 headers=$2 1531 condition=$3 1532 shift 3 1533 disable "$name" 1534 test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name" 1535} 1536 1537check_cc(){ 1538 log check_cc "$@" 1539 name=$1 1540 shift 1541 disable "$name" 1542 test_code cc "$@" && enable "$name" 1543} 1544 1545require(){ 1546 log require "$@" 1547 name_version="$1" 1548 name="${1%% *}" 1549 shift 1550 check_lib $name "$@" || die "ERROR: $name_version not found" 1551} 1552 1553require_cc(){ 1554 log require_cc "$@" 1555 name="$1" 1556 check_cc "$@" || die "ERROR: $name failed" 1557} 1558 1559require_cpp(){ 1560 log require_cpp "$@" 1561 name_version="$1" 1562 name="${1%% *}" 1563 shift 1564 check_lib_cpp "$name" "$@" || die "ERROR: $name_version not found" 1565} 1566 1567require_headers(){ 1568 log require_headers "$@" 1569 headers="$1" 1570 check_headers "$@" || die "ERROR: $headers not found" 1571} 1572 1573require_cpp_condition(){ 1574 log require_cpp_condition "$@" 1575 condition="$3" 1576 check_cpp_condition "$@" || die "ERROR: $condition not satisfied" 1577} 1578 1579require_pkg_config(){ 1580 log require_pkg_config "$@" 1581 pkg_version="$2" 1582 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message" 1583} 1584 1585test_host_cc(){ 1586 log test_host_cc "$@" 1587 cat > $TMPC 1588 log_file $TMPC 1589 test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC 1590} 1591 1592test_host_cpp(){ 1593 log test_host_cpp "$@" 1594 cat > $TMPC 1595 log_file $TMPC 1596 test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC 1597} 1598 1599check_host_cppflags(){ 1600 log check_host_cppflags "$@" 1601 test_host_cpp "$@" <<EOF && append host_cppflags "$@" 1602#include <stdlib.h> 1603EOF 1604} 1605 1606check_host_cflags(){ 1607 log check_host_cflags "$@" 1608 set -- $($host_cflags_filter "$@") 1609 test_host_cc "$@" <<EOF && append host_cflags "$@" 1610int x; 1611EOF 1612} 1613 1614test_host_cpp_condition(){ 1615 log test_host_cpp_condition "$@" 1616 header=$1 1617 condition=$2 1618 shift 2 1619 test_host_cpp "$@" <<EOF 1620#include <$header> 1621#if !($condition) 1622#error "unsatisfied condition: $condition" 1623#endif 1624EOF 1625} 1626 1627check_host_cpp_condition(){ 1628 log check_host_cpp_condition "$@" 1629 name=$1 1630 shift 1 1631 disable $name 1632 test_host_cpp_condition "$@" && enable $name 1633} 1634 1635cp_if_changed(){ 1636 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return 1637 mkdir -p "$(dirname $2)" 1638 cp -f "$1" "$2" 1639} 1640 1641# CONFIG_LIST contains configurable options, while HAVE_LIST is for 1642# system-dependent things. 1643 1644AVCODEC_COMPONENTS=" 1645 bsfs 1646 decoders 1647 encoders 1648 hwaccels 1649 parsers 1650" 1651 1652AVDEVICE_COMPONENTS=" 1653 indevs 1654 outdevs 1655" 1656 1657AVFILTER_COMPONENTS=" 1658 filters 1659" 1660 1661AVFORMAT_COMPONENTS=" 1662 demuxers 1663 muxers 1664 protocols 1665" 1666 1667COMPONENT_LIST=" 1668 $AVCODEC_COMPONENTS 1669 $AVDEVICE_COMPONENTS 1670 $AVFILTER_COMPONENTS 1671 $AVFORMAT_COMPONENTS 1672" 1673 1674EXAMPLE_LIST=" 1675 avio_list_dir_example 1676 avio_reading_example 1677 decode_audio_example 1678 decode_video_example 1679 demuxing_decoding_example 1680 encode_audio_example 1681 encode_video_example 1682 extract_mvs_example 1683 filter_audio_example 1684 filtering_audio_example 1685 filtering_video_example 1686 http_multiclient_example 1687 hw_decode_example 1688 metadata_example 1689 muxing_example 1690 qsvdec_example 1691 remuxing_example 1692 resampling_audio_example 1693 scaling_video_example 1694 transcode_aac_example 1695 transcoding_example 1696 vaapi_encode_example 1697 vaapi_transcode_example 1698" 1699 1700EXTERNAL_AUTODETECT_LIBRARY_LIST=" 1701 alsa 1702 appkit 1703 avfoundation 1704 bzlib 1705 coreimage 1706 iconv 1707 libxcb 1708 libxcb_shm 1709 libxcb_shape 1710 libxcb_xfixes 1711 lzma 1712 mediafoundation 1713 schannel 1714 sdl2 1715 securetransport 1716 sndio 1717 xlib 1718 zlib 1719" 1720 1721EXTERNAL_LIBRARY_GPL_LIST=" 1722 avisynth 1723 frei0r 1724 libcdio 1725 libdavs2 1726 librubberband 1727 libvidstab 1728 libx264 1729 libx265 1730 libxavs 1731 libxavs2 1732 libxvid 1733" 1734 1735EXTERNAL_LIBRARY_NONFREE_LIST=" 1736 decklink 1737 libfdk_aac 1738 openssl 1739 libtls 1740" 1741 1742EXTERNAL_LIBRARY_VERSION3_LIST=" 1743 gmp 1744 libaribb24 1745 liblensfun 1746 libopencore_amrnb 1747 libopencore_amrwb 1748 libvo_amrwbenc 1749 mbedtls 1750 rkmpp 1751" 1752 1753EXTERNAL_LIBRARY_GPLV3_LIST=" 1754 libsmbclient 1755" 1756 1757EXTERNAL_LIBRARY_LIST=" 1758 $EXTERNAL_LIBRARY_GPL_LIST 1759 $EXTERNAL_LIBRARY_NONFREE_LIST 1760 $EXTERNAL_LIBRARY_VERSION3_LIST 1761 $EXTERNAL_LIBRARY_GPLV3_LIST 1762 chromaprint 1763 gcrypt 1764 gnutls 1765 jni 1766 ladspa 1767 libaom 1768 libass 1769 libbluray 1770 libbs2b 1771 libcaca 1772 libcelt 1773 libcodec2 1774 libdav1d 1775 libdc1394 1776 libdrm 1777 libflite 1778 libfontconfig 1779 libfreetype 1780 libfribidi 1781 libglslang 1782 libgme 1783 libgsm 1784 libiec61883 1785 libilbc 1786 libjack 1787 libklvanc 1788 libkvazaar 1789 libmodplug 1790 libmp3lame 1791 libmysofa 1792 libopencv 1793 libopenh264 1794 libopenjpeg 1795 libopenmpt 1796 libopenvino 1797 libopus 1798 libpulse 1799 librabbitmq 1800 librav1e 1801 librist 1802 librsvg 1803 librtmp 1804 libshine 1805 libsmbclient 1806 libsnappy 1807 libsoxr 1808 libspeex 1809 libsrt 1810 libssh 1811 libsvtav1 1812 libtensorflow 1813 libtesseract 1814 libtheora 1815 libtwolame 1816 libuavs3d 1817 libv4l2 1818 libvmaf 1819 libvorbis 1820 libvpx 1821 libwebp 1822 libxml2 1823 libzimg 1824 libzmq 1825 libzvbi 1826 lv2 1827 mediacodec 1828 openal 1829 opengl 1830 pocketsphinx 1831 vapoursynth 1832" 1833 1834HWACCEL_AUTODETECT_LIBRARY_LIST=" 1835 amf 1836 audiotoolbox 1837 crystalhd 1838 cuda 1839 cuda_llvm 1840 cuvid 1841 d3d11va 1842 dxva2 1843 ffnvcodec 1844 nvdec 1845 nvenc 1846 vaapi 1847 vdpau 1848 videotoolbox 1849 v4l2_m2m 1850 xvmc 1851" 1852 1853# catchall list of things that require external libs to link 1854EXTRALIBS_LIST=" 1855 cpu_init 1856 cws2fws 1857" 1858 1859HWACCEL_LIBRARY_NONFREE_LIST=" 1860 cuda_nvcc 1861 cuda_sdk 1862 libnpp 1863" 1864 1865HWACCEL_LIBRARY_LIST=" 1866 $HWACCEL_LIBRARY_NONFREE_LIST 1867 libmfx 1868 mmal 1869 omx 1870 opencl 1871 vulkan 1872" 1873 1874DOCUMENT_LIST=" 1875 doc 1876 htmlpages 1877 manpages 1878 podpages 1879 txtpages 1880" 1881 1882FEATURE_LIST=" 1883 ftrapv 1884 gray 1885 hardcoded_tables 1886 omx_rpi 1887 runtime_cpudetect 1888 safe_bitstream_reader 1889 shared 1890 small 1891 static 1892 swscale_alpha 1893" 1894 1895# this list should be kept in linking order 1896LIBRARY_LIST=" 1897 avdevice 1898 avfilter 1899 swscale 1900 postproc 1901 avformat 1902 avcodec 1903 swresample 1904 avresample 1905 avutil 1906" 1907 1908LICENSE_LIST=" 1909 gpl 1910 nonfree 1911 version3 1912" 1913 1914PROGRAM_LIST=" 1915 ffplay 1916 ffprobe 1917 ffmpeg 1918" 1919 1920SUBSYSTEM_LIST=" 1921 dct 1922 dwt 1923 error_resilience 1924 faan 1925 fast_unaligned 1926 fft 1927 lsp 1928 lzo 1929 mdct 1930 pixelutils 1931 network 1932 rdft 1933" 1934 1935# COMPONENT_LIST needs to come last to ensure correct dependency checking 1936CONFIG_LIST=" 1937 $DOCUMENT_LIST 1938 $EXAMPLE_LIST 1939 $EXTERNAL_LIBRARY_LIST 1940 $EXTERNAL_AUTODETECT_LIBRARY_LIST 1941 $HWACCEL_LIBRARY_LIST 1942 $HWACCEL_AUTODETECT_LIBRARY_LIST 1943 $FEATURE_LIST 1944 $LICENSE_LIST 1945 $LIBRARY_LIST 1946 $PROGRAM_LIST 1947 $SUBSYSTEM_LIST 1948 autodetect 1949 fontconfig 1950 large_tests 1951 linux_perf 1952 memory_poisoning 1953 neon_clobber_test 1954 ossfuzz 1955 pic 1956 thumb 1957 valgrind_backtrace 1958 xmm_clobber_test 1959 $COMPONENT_LIST 1960" 1961 1962THREADS_LIST=" 1963 pthreads 1964 os2threads 1965 w32threads 1966" 1967 1968ATOMICS_LIST=" 1969 atomics_gcc 1970 atomics_suncc 1971 atomics_win32 1972" 1973 1974AUTODETECT_LIBS=" 1975 $EXTERNAL_AUTODETECT_LIBRARY_LIST 1976 $HWACCEL_AUTODETECT_LIBRARY_LIST 1977 $THREADS_LIST 1978" 1979 1980ARCH_LIST=" 1981 aarch64 1982 alpha 1983 arm 1984 avr32 1985 avr32_ap 1986 avr32_uc 1987 bfin 1988 ia64 1989 m68k 1990 mips 1991 mips64 1992 parisc 1993 ppc 1994 ppc64 1995 s390 1996 sh4 1997 sparc 1998 sparc64 1999 tilegx 2000 tilepro 2001 tomi 2002 x86 2003 x86_32 2004 x86_64 2005" 2006 2007ARCH_EXT_LIST_ARM=" 2008 armv5te 2009 armv6 2010 armv6t2 2011 armv8 2012 neon 2013 vfp 2014 vfpv3 2015 setend 2016" 2017 2018ARCH_EXT_LIST_MIPS=" 2019 mipsfpu 2020 mips32r2 2021 mips32r5 2022 mips64r2 2023 mips32r6 2024 mips64r6 2025 mipsdsp 2026 mipsdspr2 2027 msa 2028 msa2 2029" 2030 2031ARCH_EXT_LIST_LOONGSON=" 2032 loongson2 2033 loongson3 2034 mmi 2035" 2036 2037ARCH_EXT_LIST_X86_SIMD=" 2038 aesni 2039 amd3dnow 2040 amd3dnowext 2041 avx 2042 avx2 2043 avx512 2044 fma3 2045 fma4 2046 mmx 2047 mmxext 2048 sse 2049 sse2 2050 sse3 2051 sse4 2052 sse42 2053 ssse3 2054 xop 2055" 2056 2057ARCH_EXT_LIST_PPC=" 2058 altivec 2059 dcbzl 2060 ldbrx 2061 power8 2062 ppc4xx 2063 vsx 2064" 2065 2066ARCH_EXT_LIST_X86=" 2067 $ARCH_EXT_LIST_X86_SIMD 2068 cpunop 2069 i686 2070" 2071 2072ARCH_EXT_LIST=" 2073 $ARCH_EXT_LIST_ARM 2074 $ARCH_EXT_LIST_PPC 2075 $ARCH_EXT_LIST_X86 2076 $ARCH_EXT_LIST_MIPS 2077 $ARCH_EXT_LIST_LOONGSON 2078" 2079 2080ARCH_FEATURES=" 2081 aligned_stack 2082 fast_64bit 2083 fast_clz 2084 fast_cmov 2085 local_aligned 2086 simd_align_16 2087 simd_align_32 2088 simd_align_64 2089" 2090 2091BUILTIN_LIST=" 2092 atomic_cas_ptr 2093 machine_rw_barrier 2094 MemoryBarrier 2095 mm_empty 2096 rdtsc 2097 sem_timedwait 2098 sync_val_compare_and_swap 2099" 2100HAVE_LIST_CMDLINE=" 2101 inline_asm 2102 symver 2103 x86asm 2104" 2105 2106HAVE_LIST_PUB=" 2107 bigendian 2108 fast_unaligned 2109" 2110 2111HEADERS_LIST=" 2112 arpa_inet_h 2113 asm_types_h 2114 cdio_paranoia_h 2115 cdio_paranoia_paranoia_h 2116 cuda_h 2117 dispatch_dispatch_h 2118 dev_bktr_ioctl_bt848_h 2119 dev_bktr_ioctl_meteor_h 2120 dev_ic_bt8xx_h 2121 dev_video_bktr_ioctl_bt848_h 2122 dev_video_meteor_ioctl_meteor_h 2123 direct_h 2124 dirent_h 2125 dxgidebug_h 2126 dxva_h 2127 ES2_gl_h 2128 gsm_h 2129 io_h 2130 linux_dma_buf_h 2131 linux_perf_event_h 2132 machine_ioctl_bt848_h 2133 machine_ioctl_meteor_h 2134 malloc_h 2135 opencv2_core_core_c_h 2136 OpenGL_gl3_h 2137 poll_h 2138 sys_param_h 2139 sys_resource_h 2140 sys_select_h 2141 sys_soundcard_h 2142 sys_time_h 2143 sys_un_h 2144 sys_videoio_h 2145 termios_h 2146 udplite_h 2147 unistd_h 2148 valgrind_valgrind_h 2149 windows_h 2150 winsock2_h 2151" 2152 2153INTRINSICS_LIST=" 2154 intrinsics_neon 2155" 2156 2157COMPLEX_FUNCS=" 2158 cabs 2159 cexp 2160" 2161 2162MATH_FUNCS=" 2163 atanf 2164 atan2f 2165 cbrt 2166 cbrtf 2167 copysign 2168 cosf 2169 erf 2170 exp2 2171 exp2f 2172 expf 2173 hypot 2174 isfinite 2175 isinf 2176 isnan 2177 ldexpf 2178 llrint 2179 llrintf 2180 log2 2181 log2f 2182 log10f 2183 lrint 2184 lrintf 2185 powf 2186 rint 2187 round 2188 roundf 2189 sinf 2190 trunc 2191 truncf 2192" 2193 2194SYSTEM_FEATURES=" 2195 dos_paths 2196 libc_msvcrt 2197 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS 2198 section_data_rel_ro 2199 threads 2200 uwp 2201 winrt 2202" 2203 2204SYSTEM_FUNCS=" 2205 access 2206 aligned_malloc 2207 arc4random 2208 clock_gettime 2209 closesocket 2210 CommandLineToArgvW 2211 fcntl 2212 getaddrinfo 2213 gethrtime 2214 getopt 2215 GetModuleHandle 2216 GetProcessAffinityMask 2217 GetProcessMemoryInfo 2218 GetProcessTimes 2219 getrusage 2220 GetStdHandle 2221 GetSystemTimeAsFileTime 2222 gettimeofday 2223 glob 2224 glXGetProcAddress 2225 gmtime_r 2226 inet_aton 2227 isatty 2228 kbhit 2229 localtime_r 2230 lstat 2231 lzo1x_999_compress 2232 mach_absolute_time 2233 MapViewOfFile 2234 memalign 2235 mkstemp 2236 mmap 2237 mprotect 2238 nanosleep 2239 PeekNamedPipe 2240 posix_memalign 2241 pthread_cancel 2242 sched_getaffinity 2243 SecItemImport 2244 SetConsoleTextAttribute 2245 SetConsoleCtrlHandler 2246 SetDllDirectory 2247 setmode 2248 setrlimit 2249 Sleep 2250 strerror_r 2251 sysconf 2252 sysctl 2253 usleep 2254 UTGetOSTypeFromString 2255 VirtualAlloc 2256 wglGetProcAddress 2257" 2258 2259SYSTEM_LIBRARIES=" 2260 bcrypt 2261 vaapi_drm 2262 vaapi_x11 2263 vdpau_x11 2264" 2265 2266TOOLCHAIN_FEATURES=" 2267 as_arch_directive 2268 as_dn_directive 2269 as_fpu_directive 2270 as_func 2271 as_object_arch 2272 asm_mod_q 2273 blocks_extension 2274 ebp_available 2275 ebx_available 2276 gnu_as 2277 gnu_windres 2278 ibm_asm 2279 inline_asm_direct_symbol_refs 2280 inline_asm_labels 2281 inline_asm_nonlocal_labels 2282 pragma_deprecated 2283 rsync_contimeout 2284 symver_asm_label 2285 symver_gnu_asm 2286 vfp_args 2287 xform_asm 2288 xmm_clobbers 2289" 2290 2291TYPES_LIST=" 2292 kCMVideoCodecType_HEVC 2293 kCMVideoCodecType_HEVCWithAlpha 2294 kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange 2295 kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ 2296 kCVImageBufferTransferFunction_ITU_R_2100_HLG 2297 kCVImageBufferTransferFunction_Linear 2298 socklen_t 2299 struct_addrinfo 2300 struct_group_source_req 2301 struct_ip_mreq_source 2302 struct_ipv6_mreq 2303 struct_msghdr_msg_flags 2304 struct_pollfd 2305 struct_rusage_ru_maxrss 2306 struct_sctp_event_subscribe 2307 struct_sockaddr_in6 2308 struct_sockaddr_sa_len 2309 struct_sockaddr_storage 2310 struct_stat_st_mtim_tv_nsec 2311 struct_v4l2_frmivalenum_discrete 2312" 2313 2314HAVE_LIST=" 2315 $ARCH_EXT_LIST 2316 $(add_suffix _external $ARCH_EXT_LIST) 2317 $(add_suffix _inline $ARCH_EXT_LIST) 2318 $ARCH_FEATURES 2319 $BUILTIN_LIST 2320 $COMPLEX_FUNCS 2321 $HAVE_LIST_CMDLINE 2322 $HAVE_LIST_PUB 2323 $HEADERS_LIST 2324 $INTRINSICS_LIST 2325 $MATH_FUNCS 2326 $SYSTEM_FEATURES 2327 $SYSTEM_FUNCS 2328 $SYSTEM_LIBRARIES 2329 $THREADS_LIST 2330 $TOOLCHAIN_FEATURES 2331 $TYPES_LIST 2332 libdrm_getfb2 2333 makeinfo 2334 makeinfo_html 2335 opencl_d3d11 2336 opencl_drm_arm 2337 opencl_drm_beignet 2338 opencl_dxva2 2339 opencl_vaapi_beignet 2340 opencl_vaapi_intel_media 2341 perl 2342 pod2man 2343 texi2html 2344" 2345 2346# options emitted with CONFIG_ prefix but not available on the command line 2347CONFIG_EXTRA=" 2348 aandcttables 2349 ac3dsp 2350 adts_header 2351 atsc_a53 2352 audio_frame_queue 2353 audiodsp 2354 blockdsp 2355 bswapdsp 2356 cabac 2357 cbs 2358 cbs_av1 2359 cbs_h264 2360 cbs_h265 2361 cbs_jpeg 2362 cbs_mpeg2 2363 cbs_vp9 2364 dirac_parse 2365 dnn 2366 dvprofile 2367 exif 2368 faandct 2369 faanidct 2370 fdctdsp 2371 flacdsp 2372 fmtconvert 2373 frame_thread_encoder 2374 g722dsp 2375 golomb 2376 gplv3 2377 h263dsp 2378 h264chroma 2379 h264dsp 2380 h264parse 2381 h264pred 2382 h264qpel 2383 hevcparse 2384 hpeldsp 2385 huffman 2386 huffyuvdsp 2387 huffyuvencdsp 2388 idctdsp 2389 iirfilter 2390 mdct15 2391 intrax8 2392 iso_media 2393 ividsp 2394 jpegtables 2395 lgplv3 2396 libx262 2397 llauddsp 2398 llviddsp 2399 llvidencdsp 2400 lpc 2401 lzf 2402 me_cmp 2403 mpeg_er 2404 mpegaudio 2405 mpegaudiodsp 2406 mpegaudioheader 2407 mpegvideo 2408 mpegvideoenc 2409 mss34dsp 2410 pixblockdsp 2411 qpeldsp 2412 qsv 2413 qsvdec 2414 qsvenc 2415 qsvvpp 2416 rangecoder 2417 riffdec 2418 riffenc 2419 rtpdec 2420 rtpenc_chain 2421 rv34dsp 2422 scene_sad 2423 sinewin 2424 snappy 2425 srtp 2426 startcode 2427 texturedsp 2428 texturedspenc 2429 tpeldsp 2430 vaapi_1 2431 vaapi_encode 2432 vc1dsp 2433 videodsp 2434 vp3dsp 2435 vp56dsp 2436 vp8dsp 2437 wma_freqs 2438 wmv2dsp 2439" 2440 2441CMDLINE_SELECT=" 2442 $ARCH_EXT_LIST 2443 $CONFIG_LIST 2444 $HAVE_LIST_CMDLINE 2445 $THREADS_LIST 2446 asm 2447 cross_compile 2448 debug 2449 extra_warnings 2450 logging 2451 lto 2452 optimizations 2453 rpath 2454 stripping 2455" 2456 2457PATHS_LIST=" 2458 bindir 2459 datadir 2460 docdir 2461 incdir 2462 libdir 2463 mandir 2464 pkgconfigdir 2465 prefix 2466 shlibdir 2467 install_name_dir 2468" 2469 2470CMDLINE_SET=" 2471 $PATHS_LIST 2472 ar 2473 arch 2474 as 2475 assert_level 2476 build_suffix 2477 cc 2478 objcc 2479 cpu 2480 cross_prefix 2481 custom_allocator 2482 cxx 2483 dep_cc 2484 doxygen 2485 env 2486 extra_version 2487 gas 2488 host_cc 2489 host_cflags 2490 host_extralibs 2491 host_ld 2492 host_ldflags 2493 host_os 2494 ignore_tests 2495 install 2496 ld 2497 ln_s 2498 logfile 2499 malloc_prefix 2500 nm 2501 optflags 2502 nvcc 2503 nvccflags 2504 pkg_config 2505 pkg_config_flags 2506 progs_suffix 2507 random_seed 2508 ranlib 2509 samples 2510 strip 2511 sws_max_filter_size 2512 sysinclude 2513 sysroot 2514 target_exec 2515 target_os 2516 target_path 2517 target_samples 2518 tempprefix 2519 toolchain 2520 valgrind 2521 windres 2522 x86asmexe 2523" 2524 2525CMDLINE_APPEND=" 2526 extra_cflags 2527 extra_cxxflags 2528 extra_objcflags 2529 host_cppflags 2530" 2531 2532# code dependency declarations 2533 2534# architecture extensions 2535 2536armv5te_deps="arm" 2537armv6_deps="arm" 2538armv6t2_deps="arm" 2539armv8_deps="aarch64" 2540neon_deps_any="aarch64 arm" 2541intrinsics_neon_deps="neon" 2542vfp_deps_any="aarch64 arm" 2543vfpv3_deps="vfp" 2544setend_deps="arm" 2545 2546map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM 2547 2548altivec_deps="ppc" 2549dcbzl_deps="ppc" 2550ldbrx_deps="ppc" 2551ppc4xx_deps="ppc" 2552vsx_deps="altivec" 2553power8_deps="vsx" 2554 2555loongson2_deps="mips" 2556loongson3_deps="mips" 2557mips32r2_deps="mips" 2558mips32r5_deps="mips" 2559mips32r6_deps="mips" 2560mips64r2_deps="mips" 2561mips64r6_deps="mips" 2562mipsfpu_deps="mips" 2563mipsdsp_deps="mips" 2564mipsdspr2_deps="mips" 2565mmi_deps_any="loongson2 loongson3" 2566msa_deps="mipsfpu" 2567msa2_deps="msa" 2568 2569cpunop_deps="i686" 2570x86_64_select="i686" 2571x86_64_suggest="fast_cmov" 2572 2573amd3dnow_deps="mmx" 2574amd3dnowext_deps="amd3dnow" 2575i686_deps="x86" 2576mmx_deps="x86" 2577mmxext_deps="mmx" 2578sse_deps="mmxext" 2579sse2_deps="sse" 2580sse3_deps="sse2" 2581ssse3_deps="sse3" 2582sse4_deps="ssse3" 2583sse42_deps="sse4" 2584aesni_deps="sse42" 2585avx_deps="sse42" 2586xop_deps="avx" 2587fma3_deps="avx" 2588fma4_deps="avx" 2589avx2_deps="avx" 2590avx512_deps="avx2" 2591 2592mmx_external_deps="x86asm" 2593mmx_inline_deps="inline_asm x86" 2594mmx_suggest="mmx_external mmx_inline" 2595 2596for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do 2597 eval dep=\$${ext}_deps 2598 eval ${ext}_external_deps='"${dep}_external"' 2599 eval ${ext}_inline_deps='"${dep}_inline"' 2600 eval ${ext}_suggest='"${ext}_external ${ext}_inline"' 2601done 2602 2603aligned_stack_if_any="aarch64 ppc x86" 2604fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64" 2605fast_clz_if_any="aarch64 alpha avr32 mips ppc x86" 2606fast_unaligned_if_any="aarch64 ppc x86" 2607simd_align_16_if_any="altivec neon sse" 2608simd_align_32_if_any="avx" 2609simd_align_64_if_any="avx512" 2610 2611# system capabilities 2612linux_perf_deps="linux_perf_event_h" 2613symver_if_any="symver_asm_label symver_gnu_asm" 2614valgrind_backtrace_conflict="optimizations" 2615valgrind_backtrace_deps="valgrind_valgrind_h" 2616 2617# threading support 2618atomics_gcc_if="sync_val_compare_and_swap" 2619atomics_suncc_if="atomic_cas_ptr machine_rw_barrier" 2620atomics_win32_if="MemoryBarrier" 2621atomics_native_if_any="$ATOMICS_LIST" 2622w32threads_deps="atomics_native" 2623threads_if_any="$THREADS_LIST" 2624 2625# subsystems 2626cbs_av1_select="cbs" 2627cbs_h264_select="cbs" 2628cbs_h265_select="cbs" 2629cbs_jpeg_select="cbs" 2630cbs_mpeg2_select="cbs" 2631cbs_vp9_select="cbs" 2632dct_select="rdft" 2633dirac_parse_select="golomb" 2634dnn_suggest="libtensorflow libopenvino" 2635dnn_deps="swscale" 2636error_resilience_select="me_cmp" 2637faandct_deps="faan" 2638faandct_select="fdctdsp" 2639faanidct_deps="faan" 2640faanidct_select="idctdsp" 2641h264dsp_select="startcode" 2642hevcparse_select="atsc_a53 golomb" 2643frame_thread_encoder_deps="encoders threads" 2644intrax8_select="blockdsp idctdsp" 2645mdct_select="fft" 2646mdct15_select="fft" 2647me_cmp_select="fdctdsp idctdsp pixblockdsp" 2648mpeg_er_select="error_resilience" 2649mpegaudio_select="mpegaudiodsp mpegaudioheader" 2650mpegaudiodsp_select="dct" 2651mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp" 2652mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp" 2653vc1dsp_select="h264chroma qpeldsp startcode" 2654rdft_select="fft" 2655 2656# decoders / encoders 2657aac_decoder_select="adts_header mdct15 mdct sinewin" 2658aac_fixed_decoder_select="adts_header mdct" 2659aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin" 2660aac_latm_decoder_select="aac_decoder aac_latm_parser" 2661ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct" 2662ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct" 2663ac3_encoder_select="ac3dsp audiodsp mdct me_cmp" 2664ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp" 2665acelp_kelvin_decoder_select="audiodsp" 2666adpcm_g722_decoder_select="g722dsp" 2667adpcm_g722_encoder_select="g722dsp" 2668aic_decoder_select="golomb idctdsp" 2669alac_encoder_select="lpc" 2670als_decoder_select="bswapdsp" 2671amrnb_decoder_select="lsp" 2672amrwb_decoder_select="lsp" 2673amv_decoder_select="sp5x_decoder exif" 2674amv_encoder_select="jpegtables mpegvideoenc" 2675ape_decoder_select="bswapdsp llauddsp" 2676apng_decoder_deps="zlib" 2677apng_encoder_deps="zlib" 2678apng_encoder_select="llvidencdsp" 2679aptx_decoder_select="audio_frame_queue" 2680aptx_encoder_select="audio_frame_queue" 2681aptx_hd_decoder_select="audio_frame_queue" 2682aptx_hd_encoder_select="audio_frame_queue" 2683asv1_decoder_select="blockdsp bswapdsp idctdsp" 2684asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp" 2685asv2_decoder_select="blockdsp bswapdsp idctdsp" 2686asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp" 2687atrac1_decoder_select="mdct sinewin" 2688atrac3_decoder_select="mdct" 2689atrac3al_decoder_select="mdct" 2690atrac3p_decoder_select="mdct sinewin" 2691atrac3pal_decoder_select="mdct sinewin" 2692atrac9_decoder_select="mdct" 2693av1_decoder_select="cbs_av1" 2694bink_decoder_select="blockdsp hpeldsp" 2695binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs" 2696binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs" 2697cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp" 2698clearvideo_decoder_select="idctdsp" 2699cllc_decoder_select="bswapdsp" 2700comfortnoise_encoder_select="lpc" 2701cook_decoder_select="audiodsp mdct sinewin" 2702cscd_decoder_select="lzo" 2703cscd_decoder_suggest="zlib" 2704dca_decoder_select="mdct" 2705dca_encoder_select="mdct" 2706dds_decoder_select="texturedsp" 2707dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc" 2708dnxhd_decoder_select="blockdsp idctdsp" 2709dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp" 2710dolby_e_decoder_select="mdct" 2711dvvideo_decoder_select="dvprofile idctdsp" 2712dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp" 2713dxa_decoder_deps="zlib" 2714dxv_decoder_select="lzf texturedsp" 2715eac3_decoder_select="ac3_decoder" 2716eac3_encoder_select="ac3_encoder" 2717eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo" 2718eatgq_decoder_select="aandcttables" 2719eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp" 2720exr_decoder_deps="zlib" 2721exr_encoder_deps="zlib" 2722ffv1_decoder_select="rangecoder" 2723ffv1_encoder_select="rangecoder" 2724ffvhuff_decoder_select="huffyuv_decoder" 2725ffvhuff_encoder_select="huffyuv_encoder" 2726fic_decoder_select="golomb" 2727flac_decoder_select="flacdsp" 2728flac_encoder_select="bswapdsp flacdsp lpc" 2729flashsv2_decoder_deps="zlib" 2730flashsv2_encoder_deps="zlib" 2731flashsv_decoder_deps="zlib" 2732flashsv_encoder_deps="zlib" 2733flv_decoder_select="h263_decoder" 2734flv_encoder_select="h263_encoder" 2735fourxm_decoder_select="blockdsp bswapdsp" 2736fraps_decoder_select="bswapdsp huffman" 2737g2m_decoder_deps="zlib" 2738g2m_decoder_select="blockdsp idctdsp jpegtables" 2739g729_decoder_select="audiodsp" 2740h261_decoder_select="mpegvideo" 2741h261_encoder_select="mpegvideoenc" 2742h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp" 2743h263_encoder_select="h263dsp mpegvideoenc" 2744h263i_decoder_select="h263_decoder" 2745h263p_decoder_select="h263_decoder" 2746h263p_encoder_select="h263_encoder" 2747h264_decoder_select="atsc_a53 cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp" 2748h264_decoder_suggest="error_resilience" 2749hap_decoder_select="snappy texturedsp" 2750hap_encoder_deps="libsnappy" 2751hap_encoder_select="texturedspenc" 2752hevc_decoder_select="atsc_a53 bswapdsp cabac golomb hevcparse videodsp" 2753huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp" 2754huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp" 2755hymt_decoder_select="huffyuv_decoder" 2756iac_decoder_select="imc_decoder" 2757imc_decoder_select="bswapdsp fft mdct sinewin" 2758imm4_decoder_select="bswapdsp" 2759imm5_decoder_select="h264_decoder hevc_decoder" 2760indeo3_decoder_select="hpeldsp" 2761indeo4_decoder_select="ividsp" 2762indeo5_decoder_select="ividsp" 2763interplay_video_decoder_select="hpeldsp" 2764ipu_decoder_select="mpegvideo" 2765jpegls_decoder_select="mjpeg_decoder" 2766jv_decoder_select="blockdsp" 2767lagarith_decoder_select="llviddsp" 2768ljpeg_encoder_select="idctdsp jpegtables" 2769lscr_decoder_deps="zlib" 2770magicyuv_decoder_select="llviddsp" 2771magicyuv_encoder_select="llvidencdsp" 2772mdec_decoder_select="blockdsp bswapdsp idctdsp mpegvideo" 2773metasound_decoder_select="lsp mdct sinewin" 2774mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp" 2775mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables" 2776mjpeg_encoder_select="jpegtables mpegvideoenc" 2777mjpegb_decoder_select="mjpeg_decoder" 2778mlp_decoder_select="mlp_parser" 2779mlp_encoder_select="lpc audio_frame_queue" 2780mobiclip_decoder_select="bswapdsp golomb" 2781motionpixels_decoder_select="bswapdsp" 2782mp1_decoder_select="mpegaudio" 2783mp1float_decoder_select="mpegaudio" 2784mp2_decoder_select="mpegaudio" 2785mp2float_decoder_select="mpegaudio" 2786mp3_decoder_select="mpegaudio" 2787mp3adu_decoder_select="mpegaudio" 2788mp3adufloat_decoder_select="mpegaudio" 2789mp3float_decoder_select="mpegaudio" 2790mp3on4_decoder_select="mpegaudio" 2791mp3on4float_decoder_select="mpegaudio" 2792mpc7_decoder_select="bswapdsp mpegaudiodsp" 2793mpc8_decoder_select="mpegaudiodsp" 2794mpegvideo_decoder_select="mpegvideo" 2795mpeg1video_decoder_select="mpegvideo" 2796mpeg1video_encoder_select="mpegvideoenc h263dsp" 2797mpeg2video_decoder_select="mpegvideo" 2798mpeg2video_encoder_select="mpegvideoenc h263dsp" 2799mpeg4_decoder_select="h263_decoder mpeg4video_parser" 2800mpeg4_encoder_select="h263_encoder" 2801msa1_decoder_select="mss34dsp" 2802mscc_decoder_deps="zlib" 2803msmpeg4v1_decoder_select="h263_decoder" 2804msmpeg4v2_decoder_select="h263_decoder" 2805msmpeg4v2_encoder_select="h263_encoder" 2806msmpeg4v3_decoder_select="h263_decoder" 2807msmpeg4v3_encoder_select="h263_encoder" 2808mss2_decoder_select="mpegvideo qpeldsp vc1_decoder" 2809mts2_decoder_select="jpegtables mss34dsp" 2810mv30_decoder_select="aandcttables blockdsp" 2811mvha_decoder_deps="zlib" 2812mvha_decoder_select="llviddsp" 2813mwsc_decoder_deps="zlib" 2814mxpeg_decoder_select="mjpeg_decoder" 2815nellymoser_decoder_select="mdct sinewin" 2816nellymoser_encoder_select="audio_frame_queue mdct sinewin" 2817notchlc_decoder_select="lzf" 2818nuv_decoder_select="idctdsp lzo" 2819on2avc_decoder_select="mdct" 2820opus_decoder_deps="swresample" 2821opus_decoder_select="mdct15" 2822opus_encoder_select="audio_frame_queue mdct15" 2823png_decoder_deps="zlib" 2824png_encoder_deps="zlib" 2825png_encoder_select="llvidencdsp" 2826prores_decoder_select="blockdsp idctdsp" 2827prores_encoder_select="fdctdsp" 2828qcelp_decoder_select="lsp" 2829qdm2_decoder_select="mdct rdft mpegaudiodsp" 2830ra_144_decoder_select="audiodsp" 2831ra_144_encoder_select="audio_frame_queue lpc audiodsp" 2832ralf_decoder_select="golomb" 2833rasc_decoder_deps="zlib" 2834rawvideo_decoder_select="bswapdsp" 2835rscc_decoder_deps="zlib" 2836rtjpeg_decoder_select="me_cmp" 2837rv10_decoder_select="h263_decoder" 2838rv10_encoder_select="h263_encoder" 2839rv20_decoder_select="h263_decoder" 2840rv20_encoder_select="h263_encoder" 2841rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp" 2842rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp" 2843screenpresso_decoder_deps="zlib" 2844shorten_decoder_select="bswapdsp" 2845sipr_decoder_select="lsp" 2846smvjpeg_decoder_select="mjpeg_decoder" 2847snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp" 2848snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder" 2849sonic_decoder_select="golomb rangecoder" 2850sonic_encoder_select="golomb rangecoder" 2851sonic_ls_encoder_select="golomb rangecoder" 2852sp5x_decoder_select="mjpeg_decoder" 2853speedhq_decoder_select="mpegvideo" 2854speedhq_encoder_select="mpegvideoenc" 2855srgc_decoder_deps="zlib" 2856svq1_decoder_select="hpeldsp" 2857svq1_encoder_select="hpeldsp me_cmp mpegvideoenc" 2858svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp" 2859svq3_decoder_suggest="zlib" 2860tak_decoder_select="audiodsp" 2861tdsc_decoder_deps="zlib" 2862tdsc_decoder_select="mjpeg_decoder" 2863theora_decoder_select="vp3_decoder" 2864thp_decoder_select="mjpeg_decoder" 2865tiff_decoder_select="mjpeg_decoder" 2866tiff_decoder_suggest="zlib lzma" 2867tiff_encoder_suggest="zlib" 2868truehd_decoder_select="mlp_parser" 2869truehd_encoder_select="lpc audio_frame_queue" 2870truemotion2_decoder_select="bswapdsp" 2871truespeech_decoder_select="bswapdsp" 2872tscc_decoder_deps="zlib" 2873twinvq_decoder_select="mdct lsp sinewin" 2874txd_decoder_select="texturedsp" 2875utvideo_decoder_select="bswapdsp llviddsp" 2876utvideo_encoder_select="bswapdsp huffman llvidencdsp" 2877vble_decoder_select="llviddsp" 2878vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp" 2879vc1image_decoder_select="vc1_decoder" 2880vorbis_decoder_select="mdct" 2881vorbis_encoder_select="audio_frame_queue mdct" 2882vp3_decoder_select="hpeldsp vp3dsp videodsp" 2883vp4_decoder_select="vp3_decoder" 2884vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp" 2885vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp" 2886vp6a_decoder_select="vp6_decoder" 2887vp6f_decoder_select="vp6_decoder" 2888vp7_decoder_select="h264pred videodsp vp8dsp" 2889vp8_decoder_select="h264pred videodsp vp8dsp" 2890vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf" 2891wcmv_decoder_deps="zlib" 2892webp_decoder_select="vp8_decoder exif" 2893wmalossless_decoder_select="llauddsp" 2894wmapro_decoder_select="mdct sinewin wma_freqs" 2895wmav1_decoder_select="mdct sinewin wma_freqs" 2896wmav1_encoder_select="mdct sinewin wma_freqs" 2897wmav2_decoder_select="mdct sinewin wma_freqs" 2898wmav2_encoder_select="mdct sinewin wma_freqs" 2899wmavoice_decoder_select="lsp rdft dct mdct sinewin" 2900wmv1_decoder_select="h263_decoder" 2901wmv1_encoder_select="h263_encoder" 2902wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp" 2903wmv2_encoder_select="h263_encoder wmv2dsp" 2904wmv3_decoder_select="vc1_decoder" 2905wmv3image_decoder_select="wmv3_decoder" 2906xma1_decoder_select="wmapro_decoder" 2907xma2_decoder_select="wmapro_decoder" 2908ylc_decoder_select="bswapdsp" 2909zerocodec_decoder_deps="zlib" 2910zlib_decoder_deps="zlib" 2911zlib_encoder_deps="zlib" 2912zmbv_decoder_deps="zlib" 2913zmbv_encoder_deps="zlib" 2914 2915# hardware accelerators 2916crystalhd_deps="libcrystalhd_libcrystalhd_if_h" 2917cuda_deps="ffnvcodec" 2918cuvid_deps="ffnvcodec" 2919d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext" 2920dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32" 2921ffnvcodec_deps_any="libdl LoadLibrary" 2922nvdec_deps="ffnvcodec" 2923vaapi_x11_deps="xlib" 2924videotoolbox_hwaccel_deps="videotoolbox pthreads" 2925videotoolbox_hwaccel_extralibs="-framework QuartzCore" 2926xvmc_deps="X11_extensions_XvMClib_h" 2927 2928av1_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_AV1" 2929av1_d3d11va_hwaccel_select="av1_decoder" 2930av1_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_AV1" 2931av1_d3d11va2_hwaccel_select="av1_decoder" 2932av1_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_AV1" 2933av1_dxva2_hwaccel_select="av1_decoder" 2934av1_nvdec_hwaccel_deps="nvdec CUVIDAV1PICPARAMS" 2935av1_nvdec_hwaccel_select="av1_decoder" 2936av1_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferAV1_bit_depth_idx" 2937av1_vaapi_hwaccel_select="av1_decoder" 2938h263_vaapi_hwaccel_deps="vaapi" 2939h263_vaapi_hwaccel_select="h263_decoder" 2940h263_videotoolbox_hwaccel_deps="videotoolbox" 2941h263_videotoolbox_hwaccel_select="h263_decoder" 2942h264_d3d11va_hwaccel_deps="d3d11va" 2943h264_d3d11va_hwaccel_select="h264_decoder" 2944h264_d3d11va2_hwaccel_deps="d3d11va" 2945h264_d3d11va2_hwaccel_select="h264_decoder" 2946h264_dxva2_hwaccel_deps="dxva2" 2947h264_dxva2_hwaccel_select="h264_decoder" 2948h264_nvdec_hwaccel_deps="nvdec" 2949h264_nvdec_hwaccel_select="h264_decoder" 2950h264_vaapi_hwaccel_deps="vaapi" 2951h264_vaapi_hwaccel_select="h264_decoder" 2952h264_vdpau_hwaccel_deps="vdpau" 2953h264_vdpau_hwaccel_select="h264_decoder" 2954h264_videotoolbox_hwaccel_deps="videotoolbox" 2955h264_videotoolbox_hwaccel_select="h264_decoder" 2956hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC" 2957hevc_d3d11va_hwaccel_select="hevc_decoder" 2958hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC" 2959hevc_d3d11va2_hwaccel_select="hevc_decoder" 2960hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC" 2961hevc_dxva2_hwaccel_select="hevc_decoder" 2962hevc_nvdec_hwaccel_deps="nvdec" 2963hevc_nvdec_hwaccel_select="hevc_decoder" 2964hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC" 2965hevc_vaapi_hwaccel_select="hevc_decoder" 2966hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC" 2967hevc_vdpau_hwaccel_select="hevc_decoder" 2968hevc_videotoolbox_hwaccel_deps="videotoolbox" 2969hevc_videotoolbox_hwaccel_select="hevc_decoder" 2970mjpeg_nvdec_hwaccel_deps="nvdec" 2971mjpeg_nvdec_hwaccel_select="mjpeg_decoder" 2972mjpeg_vaapi_hwaccel_deps="vaapi" 2973mjpeg_vaapi_hwaccel_select="mjpeg_decoder" 2974mpeg_xvmc_hwaccel_deps="xvmc" 2975mpeg_xvmc_hwaccel_select="mpeg2video_decoder" 2976mpeg1_nvdec_hwaccel_deps="nvdec" 2977mpeg1_nvdec_hwaccel_select="mpeg1video_decoder" 2978mpeg1_vdpau_hwaccel_deps="vdpau" 2979mpeg1_vdpau_hwaccel_select="mpeg1video_decoder" 2980mpeg1_videotoolbox_hwaccel_deps="videotoolbox" 2981mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder" 2982mpeg1_xvmc_hwaccel_deps="xvmc" 2983mpeg1_xvmc_hwaccel_select="mpeg1video_decoder" 2984mpeg2_d3d11va_hwaccel_deps="d3d11va" 2985mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder" 2986mpeg2_d3d11va2_hwaccel_deps="d3d11va" 2987mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder" 2988mpeg2_dxva2_hwaccel_deps="dxva2" 2989mpeg2_dxva2_hwaccel_select="mpeg2video_decoder" 2990mpeg2_nvdec_hwaccel_deps="nvdec" 2991mpeg2_nvdec_hwaccel_select="mpeg2video_decoder" 2992mpeg2_vaapi_hwaccel_deps="vaapi" 2993mpeg2_vaapi_hwaccel_select="mpeg2video_decoder" 2994mpeg2_vdpau_hwaccel_deps="vdpau" 2995mpeg2_vdpau_hwaccel_select="mpeg2video_decoder" 2996mpeg2_videotoolbox_hwaccel_deps="videotoolbox" 2997mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder" 2998mpeg2_xvmc_hwaccel_deps="xvmc" 2999mpeg2_xvmc_hwaccel_select="mpeg2video_decoder" 3000mpeg4_nvdec_hwaccel_deps="nvdec" 3001mpeg4_nvdec_hwaccel_select="mpeg4_decoder" 3002mpeg4_vaapi_hwaccel_deps="vaapi" 3003mpeg4_vaapi_hwaccel_select="mpeg4_decoder" 3004mpeg4_vdpau_hwaccel_deps="vdpau" 3005mpeg4_vdpau_hwaccel_select="mpeg4_decoder" 3006mpeg4_videotoolbox_hwaccel_deps="videotoolbox" 3007mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder" 3008vc1_d3d11va_hwaccel_deps="d3d11va" 3009vc1_d3d11va_hwaccel_select="vc1_decoder" 3010vc1_d3d11va2_hwaccel_deps="d3d11va" 3011vc1_d3d11va2_hwaccel_select="vc1_decoder" 3012vc1_dxva2_hwaccel_deps="dxva2" 3013vc1_dxva2_hwaccel_select="vc1_decoder" 3014vc1_nvdec_hwaccel_deps="nvdec" 3015vc1_nvdec_hwaccel_select="vc1_decoder" 3016vc1_vaapi_hwaccel_deps="vaapi" 3017vc1_vaapi_hwaccel_select="vc1_decoder" 3018vc1_vdpau_hwaccel_deps="vdpau" 3019vc1_vdpau_hwaccel_select="vc1_decoder" 3020vp8_nvdec_hwaccel_deps="nvdec" 3021vp8_nvdec_hwaccel_select="vp8_decoder" 3022vp8_vaapi_hwaccel_deps="vaapi" 3023vp8_vaapi_hwaccel_select="vp8_decoder" 3024vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9" 3025vp9_d3d11va_hwaccel_select="vp9_decoder" 3026vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9" 3027vp9_d3d11va2_hwaccel_select="vp9_decoder" 3028vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9" 3029vp9_dxva2_hwaccel_select="vp9_decoder" 3030vp9_nvdec_hwaccel_deps="nvdec" 3031vp9_nvdec_hwaccel_select="vp9_decoder" 3032vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth" 3033vp9_vaapi_hwaccel_select="vp9_decoder" 3034vp9_vdpau_hwaccel_deps="vdpau VdpPictureInfoVP9" 3035vp9_vdpau_hwaccel_select="vp9_decoder" 3036wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel" 3037wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel" 3038wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel" 3039wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel" 3040wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel" 3041wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel" 3042 3043# hardware-accelerated codecs 3044mediafoundation_deps="mftransform_h MFCreateAlignedMemoryBuffer" 3045mediafoundation_extralibs="-lmfplat -lmfuuid -lole32 -lstrmiids" 3046omx_deps="libdl pthreads" 3047omx_rpi_select="omx" 3048qsv_deps="libmfx" 3049qsvdec_select="qsv" 3050qsvenc_select="qsv" 3051qsvvpp_select="qsv" 3052vaapi_encode_deps="vaapi" 3053v4l2_m2m_deps="linux_videodev2_h sem_timedwait" 3054 3055hwupload_cuda_filter_deps="ffnvcodec" 3056scale_npp_filter_deps="ffnvcodec libnpp" 3057scale_cuda_filter_deps="ffnvcodec" 3058scale_cuda_filter_deps_any="cuda_nvcc cuda_llvm" 3059thumbnail_cuda_filter_deps="ffnvcodec" 3060thumbnail_cuda_filter_deps_any="cuda_nvcc cuda_llvm" 3061transpose_npp_filter_deps="ffnvcodec libnpp" 3062overlay_cuda_filter_deps="ffnvcodec" 3063overlay_cuda_filter_deps_any="cuda_nvcc cuda_llvm" 3064 3065amf_deps_any="libdl LoadLibrary" 3066nvenc_deps="ffnvcodec" 3067nvenc_deps_any="libdl LoadLibrary" 3068nvenc_encoder_deps="nvenc" 3069 3070aac_mf_encoder_deps="mediafoundation" 3071ac3_mf_encoder_deps="mediafoundation" 3072av1_cuvid_decoder_deps="cuvid CUVIDAV1PICPARAMS" 3073h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m" 3074h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m" 3075h264_amf_encoder_deps="amf" 3076h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser" 3077h264_cuvid_decoder_deps="cuvid" 3078h264_cuvid_decoder_select="h264_mp4toannexb_bsf" 3079h264_mediacodec_decoder_deps="mediacodec" 3080h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser" 3081h264_mf_encoder_deps="mediafoundation" 3082h264_mmal_decoder_deps="mmal" 3083h264_nvenc_encoder_deps="nvenc" 3084h264_nvenc_encoder_select="atsc_a53" 3085h264_omx_encoder_deps="omx" 3086h264_qsv_decoder_select="h264_mp4toannexb_bsf qsvdec" 3087h264_qsv_encoder_select="atsc_a53 qsvenc" 3088h264_rkmpp_decoder_deps="rkmpp" 3089h264_rkmpp_decoder_select="h264_mp4toannexb_bsf" 3090h264_vaapi_encoder_select="cbs_h264 vaapi_encode" 3091h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m" 3092h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf" 3093h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m" 3094hevc_amf_encoder_deps="amf" 3095hevc_cuvid_decoder_deps="cuvid" 3096hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf" 3097hevc_mediacodec_decoder_deps="mediacodec" 3098hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser" 3099hevc_mf_encoder_deps="mediafoundation" 3100hevc_nvenc_encoder_deps="nvenc" 3101hevc_nvenc_encoder_select="atsc_a53" 3102hevc_qsv_decoder_select="hevc_mp4toannexb_bsf qsvdec" 3103hevc_qsv_encoder_select="hevcparse qsvenc" 3104hevc_rkmpp_decoder_deps="rkmpp" 3105hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf" 3106hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC" 3107hevc_vaapi_encoder_select="cbs_h265 vaapi_encode" 3108hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m" 3109hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf" 3110hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m" 3111mjpeg_cuvid_decoder_deps="cuvid" 3112mjpeg_qsv_decoder_select="qsvdec" 3113mjpeg_qsv_encoder_deps="libmfx" 3114mjpeg_qsv_encoder_select="qsvenc" 3115mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG" 3116mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode" 3117mp3_mf_encoder_deps="mediafoundation" 3118mpeg1_cuvid_decoder_deps="cuvid" 3119mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m" 3120mpeg2_crystalhd_decoder_select="crystalhd" 3121mpeg2_cuvid_decoder_deps="cuvid" 3122mpeg2_mmal_decoder_deps="mmal" 3123mpeg2_mediacodec_decoder_deps="mediacodec" 3124mpeg2_qsv_decoder_select="qsvdec" 3125mpeg2_qsv_encoder_select="qsvenc" 3126mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode" 3127mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m" 3128mpeg4_crystalhd_decoder_select="crystalhd" 3129mpeg4_cuvid_decoder_deps="cuvid" 3130mpeg4_mediacodec_decoder_deps="mediacodec" 3131mpeg4_mmal_decoder_deps="mmal" 3132mpeg4_omx_encoder_deps="omx" 3133mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m" 3134mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m" 3135msmpeg4_crystalhd_decoder_select="crystalhd" 3136nvenc_h264_encoder_select="h264_nvenc_encoder" 3137nvenc_hevc_encoder_select="hevc_nvenc_encoder" 3138vc1_crystalhd_decoder_select="crystalhd" 3139vc1_cuvid_decoder_deps="cuvid" 3140vc1_mmal_decoder_deps="mmal" 3141vc1_qsv_decoder_select="qsvdec" 3142vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m" 3143vp8_cuvid_decoder_deps="cuvid" 3144vp8_mediacodec_decoder_deps="mediacodec" 3145vp8_qsv_decoder_select="qsvdec" 3146vp8_rkmpp_decoder_deps="rkmpp" 3147vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8" 3148vp8_vaapi_encoder_select="vaapi_encode" 3149vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m" 3150vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m" 3151vp9_cuvid_decoder_deps="cuvid" 3152vp9_mediacodec_decoder_deps="mediacodec" 3153vp9_qsv_decoder_select="qsvdec" 3154vp9_rkmpp_decoder_deps="rkmpp" 3155vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9" 3156vp9_vaapi_encoder_select="vaapi_encode" 3157vp9_qsv_encoder_deps="libmfx MFX_CODEC_VP9" 3158vp9_qsv_encoder_select="qsvenc" 3159vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m" 3160wmv3_crystalhd_decoder_select="crystalhd" 3161av1_qsv_decoder_select="qsvdec" 3162 3163# parsers 3164aac_parser_select="adts_header" 3165av1_parser_select="cbs_av1" 3166h264_parser_select="atsc_a53 golomb h264dsp h264parse" 3167hevc_parser_select="hevcparse" 3168mpegaudio_parser_select="mpegaudioheader" 3169mpegvideo_parser_select="mpegvideo" 3170mpeg4video_parser_select="h263dsp mpegvideo qpeldsp" 3171vc1_parser_select="vc1dsp" 3172 3173# bitstream_filters 3174aac_adtstoasc_bsf_select="adts_header" 3175av1_frame_merge_bsf_select="cbs_av1" 3176av1_frame_split_bsf_select="cbs_av1" 3177av1_metadata_bsf_select="cbs_av1" 3178eac3_core_bsf_select="ac3_parser" 3179filter_units_bsf_select="cbs" 3180h264_metadata_bsf_deps="const_nan" 3181h264_metadata_bsf_select="cbs_h264" 3182h264_redundant_pps_bsf_select="cbs_h264" 3183hevc_metadata_bsf_select="cbs_h265" 3184mjpeg2jpeg_bsf_select="jpegtables" 3185mpeg2_metadata_bsf_select="cbs_mpeg2" 3186trace_headers_bsf_select="cbs" 3187vp9_metadata_bsf_select="cbs_vp9" 3188 3189# external libraries 3190aac_at_decoder_deps="audiotoolbox" 3191aac_at_decoder_select="aac_adtstoasc_bsf" 3192ac3_at_decoder_deps="audiotoolbox" 3193ac3_at_decoder_select="ac3_parser" 3194adpcm_ima_qt_at_decoder_deps="audiotoolbox" 3195alac_at_decoder_deps="audiotoolbox" 3196amr_nb_at_decoder_deps="audiotoolbox" 3197avisynth_deps_any="libdl LoadLibrary" 3198avisynth_demuxer_deps="avisynth" 3199avisynth_demuxer_select="riffdec" 3200eac3_at_decoder_deps="audiotoolbox" 3201eac3_at_decoder_select="ac3_parser" 3202gsm_ms_at_decoder_deps="audiotoolbox" 3203ilbc_at_decoder_deps="audiotoolbox" 3204mp1_at_decoder_deps="audiotoolbox" 3205mp2_at_decoder_deps="audiotoolbox" 3206mp3_at_decoder_deps="audiotoolbox" 3207mp1_at_decoder_select="mpegaudioheader" 3208mp2_at_decoder_select="mpegaudioheader" 3209mp3_at_decoder_select="mpegaudioheader" 3210pcm_alaw_at_decoder_deps="audiotoolbox" 3211pcm_mulaw_at_decoder_deps="audiotoolbox" 3212qdmc_decoder_select="fft" 3213qdmc_at_decoder_deps="audiotoolbox" 3214qdm2_at_decoder_deps="audiotoolbox" 3215aac_at_encoder_deps="audiotoolbox" 3216aac_at_encoder_select="audio_frame_queue" 3217alac_at_encoder_deps="audiotoolbox" 3218alac_at_encoder_select="audio_frame_queue" 3219ilbc_at_encoder_deps="audiotoolbox" 3220ilbc_at_encoder_select="audio_frame_queue" 3221pcm_alaw_at_encoder_deps="audiotoolbox" 3222pcm_alaw_at_encoder_select="audio_frame_queue" 3223pcm_mulaw_at_encoder_deps="audiotoolbox" 3224pcm_mulaw_at_encoder_select="audio_frame_queue" 3225chromaprint_muxer_deps="chromaprint" 3226h264_videotoolbox_encoder_deps="pthreads" 3227h264_videotoolbox_encoder_select="atsc_a53 videotoolbox_encoder" 3228hevc_videotoolbox_encoder_deps="pthreads" 3229hevc_videotoolbox_encoder_select="atsc_a53 videotoolbox_encoder" 3230libaom_av1_decoder_deps="libaom" 3231libaom_av1_encoder_deps="libaom" 3232libaom_av1_encoder_select="extract_extradata_bsf" 3233libaribb24_decoder_deps="libaribb24" 3234libcelt_decoder_deps="libcelt" 3235libcodec2_decoder_deps="libcodec2" 3236libcodec2_encoder_deps="libcodec2" 3237libdav1d_decoder_deps="libdav1d" 3238libdav1d_decoder_select="atsc_a53" 3239libdavs2_decoder_deps="libdavs2" 3240libfdk_aac_decoder_deps="libfdk_aac" 3241libfdk_aac_encoder_deps="libfdk_aac" 3242libfdk_aac_encoder_select="audio_frame_queue" 3243libgme_demuxer_deps="libgme" 3244libgsm_decoder_deps="libgsm" 3245libgsm_encoder_deps="libgsm" 3246libgsm_ms_decoder_deps="libgsm" 3247libgsm_ms_encoder_deps="libgsm" 3248libilbc_decoder_deps="libilbc" 3249libilbc_encoder_deps="libilbc" 3250libkvazaar_encoder_deps="libkvazaar" 3251libmodplug_demuxer_deps="libmodplug" 3252libmp3lame_encoder_deps="libmp3lame" 3253libmp3lame_encoder_select="audio_frame_queue mpegaudioheader" 3254libopencore_amrnb_decoder_deps="libopencore_amrnb" 3255libopencore_amrnb_encoder_deps="libopencore_amrnb" 3256libopencore_amrnb_encoder_select="audio_frame_queue" 3257libopencore_amrwb_decoder_deps="libopencore_amrwb" 3258libopenh264_decoder_deps="libopenh264" 3259libopenh264_decoder_select="h264_mp4toannexb_bsf" 3260libopenh264_encoder_deps="libopenh264" 3261libopenjpeg_decoder_deps="libopenjpeg" 3262libopenjpeg_encoder_deps="libopenjpeg" 3263libopenmpt_demuxer_deps="libopenmpt" 3264libopus_decoder_deps="libopus" 3265libopus_encoder_deps="libopus" 3266libopus_encoder_select="audio_frame_queue" 3267librav1e_encoder_deps="librav1e" 3268librav1e_encoder_select="extract_extradata_bsf" 3269librsvg_decoder_deps="librsvg" 3270libshine_encoder_deps="libshine" 3271libshine_encoder_select="audio_frame_queue" 3272libspeex_decoder_deps="libspeex" 3273libspeex_encoder_deps="libspeex" 3274libspeex_encoder_select="audio_frame_queue" 3275libsvtav1_encoder_deps="libsvtav1" 3276libtheora_encoder_deps="libtheora" 3277libtwolame_encoder_deps="libtwolame" 3278libuavs3d_decoder_deps="libuavs3d" 3279libvo_amrwbenc_encoder_deps="libvo_amrwbenc" 3280libvorbis_decoder_deps="libvorbis" 3281libvorbis_encoder_deps="libvorbis libvorbisenc" 3282libvorbis_encoder_select="audio_frame_queue" 3283libvpx_vp8_decoder_deps="libvpx" 3284libvpx_vp8_encoder_deps="libvpx" 3285libvpx_vp9_decoder_deps="libvpx" 3286libvpx_vp9_encoder_deps="libvpx" 3287libwebp_encoder_deps="libwebp" 3288libwebp_anim_encoder_deps="libwebp" 3289libx262_encoder_deps="libx262" 3290libx264_encoder_deps="libx264" 3291libx264_encoder_select="atsc_a53" 3292libx264rgb_encoder_deps="libx264 x264_csp_bgr" 3293libx264rgb_encoder_select="libx264_encoder" 3294libx265_encoder_deps="libx265" 3295libxavs_encoder_deps="libxavs" 3296libxavs2_encoder_deps="libxavs2" 3297libxvid_encoder_deps="libxvid" 3298libzvbi_teletext_decoder_deps="libzvbi" 3299vapoursynth_demuxer_deps="vapoursynth" 3300videotoolbox_suggest="coreservices" 3301videotoolbox_deps="corefoundation coremedia corevideo" 3302videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames" 3303 3304# demuxers / muxers 3305ac3_demuxer_select="ac3_parser" 3306act_demuxer_select="riffdec" 3307aiff_muxer_select="iso_media" 3308asf_demuxer_select="riffdec" 3309asf_o_demuxer_select="riffdec" 3310asf_muxer_select="riffenc" 3311asf_stream_muxer_select="asf_muxer" 3312av1_demuxer_select="av1_frame_merge_bsf av1_parser" 3313avi_demuxer_select="riffdec exif" 3314avi_muxer_select="riffenc" 3315caf_demuxer_select="iso_media" 3316caf_muxer_select="iso_media" 3317dash_muxer_select="mp4_muxer" 3318dash_demuxer_deps="libxml2" 3319dirac_demuxer_select="dirac_parser" 3320dts_demuxer_select="dca_parser" 3321dtshd_demuxer_select="dca_parser" 3322dv_demuxer_select="dvprofile" 3323dv_muxer_select="dvprofile" 3324dxa_demuxer_select="riffdec" 3325eac3_demuxer_select="ac3_parser" 3326f4v_muxer_select="mov_muxer" 3327fifo_muxer_deps="threads" 3328flac_demuxer_select="flac_parser" 3329flv_muxer_select="aac_adtstoasc_bsf" 3330gxf_muxer_select="pcm_rechunk_bsf" 3331hds_muxer_select="flv_muxer" 3332hls_muxer_select="mpegts_muxer" 3333hls_muxer_suggest="gcrypt openssl" 3334image2_alias_pix_demuxer_select="image2_demuxer" 3335image2_brender_pix_demuxer_select="image2_demuxer" 3336ipod_muxer_select="mov_muxer" 3337ismv_muxer_select="mov_muxer" 3338ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf" 3339latm_muxer_select="aac_adtstoasc_bsf" 3340matroska_audio_muxer_select="matroska_muxer" 3341matroska_demuxer_select="riffdec" 3342matroska_demuxer_suggest="bzlib lzo zlib" 3343matroska_muxer_select="riffenc vp9_superframe_bsf aac_adtstoasc_bsf" 3344mlp_demuxer_select="mlp_parser" 3345mmf_muxer_select="riffenc" 3346mov_demuxer_select="iso_media riffdec" 3347mov_demuxer_suggest="zlib" 3348mov_muxer_select="iso_media riffenc rtpenc_chain vp9_superframe_bsf aac_adtstoasc_bsf" 3349mp3_demuxer_select="mpegaudio_parser" 3350mp3_muxer_select="mpegaudioheader" 3351mp4_muxer_select="mov_muxer" 3352mpegts_demuxer_select="iso_media" 3353mpegts_muxer_select="ac3_parser adts_muxer latm_muxer h264_mp4toannexb_bsf hevc_mp4toannexb_bsf" 3354mpegtsraw_demuxer_select="mpegts_demuxer" 3355mxf_muxer_select="golomb pcm_rechunk_bsf" 3356mxf_d10_muxer_select="mxf_muxer" 3357mxf_opatom_muxer_select="mxf_muxer" 3358nut_muxer_select="riffenc" 3359nuv_demuxer_select="riffdec" 3360obu_demuxer_select="av1_frame_merge_bsf av1_parser" 3361oga_muxer_select="ogg_muxer" 3362ogg_demuxer_select="dirac_parse" 3363ogv_muxer_select="ogg_muxer" 3364opus_muxer_select="ogg_muxer" 3365psp_muxer_select="mov_muxer" 3366rtp_demuxer_select="sdp_demuxer" 3367rtp_muxer_select="golomb jpegtables" 3368rtp_mpegts_muxer_select="mpegts_muxer rtp_muxer" 3369rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp" 3370rtsp_demuxer_select="http_protocol rtpdec" 3371rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain" 3372sap_demuxer_select="sdp_demuxer" 3373sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain" 3374sdp_demuxer_select="rtpdec" 3375smoothstreaming_muxer_select="ismv_muxer" 3376spdif_demuxer_select="adts_header" 3377spdif_muxer_select="adts_header" 3378spx_muxer_select="ogg_muxer" 3379swf_demuxer_suggest="zlib" 3380tak_demuxer_select="tak_parser" 3381truehd_demuxer_select="mlp_parser" 3382tg2_muxer_select="mov_muxer" 3383tgp_muxer_select="mov_muxer" 3384vobsub_demuxer_select="mpegps_demuxer" 3385w64_demuxer_select="wav_demuxer" 3386w64_muxer_select="wav_muxer" 3387wav_demuxer_select="riffdec" 3388wav_muxer_select="riffenc" 3389webm_chunk_muxer_select="webm_muxer" 3390webm_muxer_select="riffenc" 3391webm_dash_manifest_demuxer_select="matroska_demuxer" 3392wtv_demuxer_select="mpegts_demuxer riffdec" 3393wtv_muxer_select="mpegts_muxer riffenc" 3394xmv_demuxer_select="riffdec" 3395xwma_demuxer_select="riffdec" 3396 3397# indevs / outdevs 3398android_camera_indev_deps="android camera2ndk mediandk pthreads" 3399android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk" 3400alsa_indev_deps="alsa" 3401alsa_outdev_deps="alsa" 3402avfoundation_indev_deps="avfoundation corevideo coremedia pthreads" 3403avfoundation_indev_suggest="coregraphics applicationservices" 3404avfoundation_indev_extralibs="-framework Foundation" 3405audiotoolbox_outdev_deps="audiotoolbox pthreads" 3406audiotoolbox_outdev_extralibs="-framework AudioToolbox -framework CoreAudio" 3407bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h" 3408caca_outdev_deps="libcaca" 3409decklink_deps_any="libdl LoadLibrary" 3410decklink_indev_deps="decklink threads" 3411decklink_indev_extralibs="-lstdc++" 3412decklink_outdev_deps="decklink threads" 3413decklink_outdev_suggest="libklvanc" 3414decklink_outdev_extralibs="-lstdc++" 3415dshow_indev_deps="IBaseFilter" 3416dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi" 3417fbdev_indev_deps="linux_fb_h" 3418fbdev_outdev_deps="linux_fb_h" 3419gdigrab_indev_deps="CreateDIBSection" 3420gdigrab_indev_extralibs="-lgdi32" 3421gdigrab_indev_select="bmp_decoder" 3422iec61883_indev_deps="libiec61883" 3423jack_indev_deps="libjack" 3424jack_indev_deps_any="sem_timedwait dispatch_dispatch_h" 3425kmsgrab_indev_deps="libdrm" 3426lavfi_indev_deps="avfilter" 3427libcdio_indev_deps="libcdio" 3428libdc1394_indev_deps="libdc1394" 3429openal_indev_deps="openal" 3430opengl_outdev_deps="opengl" 3431opengl_outdev_suggest="sdl2" 3432oss_indev_deps_any="sys_soundcard_h" 3433oss_outdev_deps_any="sys_soundcard_h" 3434pulse_indev_deps="libpulse" 3435pulse_outdev_deps="libpulse" 3436sdl2_outdev_deps="sdl2" 3437sndio_indev_deps="sndio" 3438sndio_outdev_deps="sndio" 3439v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h" 3440v4l2_indev_suggest="libv4l2" 3441v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h" 3442v4l2_outdev_suggest="libv4l2" 3443vfwcap_indev_deps="vfw32 vfwcap_defines" 3444xcbgrab_indev_deps="libxcb" 3445xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes" 3446xv_outdev_deps="xlib" 3447 3448# protocols 3449async_protocol_deps="threads" 3450bluray_protocol_deps="libbluray" 3451ffrtmpcrypt_protocol_conflict="librtmp_protocol" 3452ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls" 3453ffrtmpcrypt_protocol_select="tcp_protocol" 3454ffrtmphttp_protocol_conflict="librtmp_protocol" 3455ffrtmphttp_protocol_select="http_protocol" 3456ftp_protocol_select="tcp_protocol" 3457gopher_protocol_select="tcp_protocol" 3458gophers_protocol_select="tls_protocol" 3459http_protocol_select="tcp_protocol" 3460http_protocol_suggest="zlib" 3461httpproxy_protocol_select="tcp_protocol" 3462httpproxy_protocol_suggest="zlib" 3463https_protocol_select="tls_protocol" 3464https_protocol_suggest="zlib" 3465icecast_protocol_select="http_protocol" 3466mmsh_protocol_select="http_protocol" 3467mmst_protocol_select="network" 3468rtmp_protocol_conflict="librtmp_protocol" 3469rtmp_protocol_select="tcp_protocol" 3470rtmp_protocol_suggest="zlib" 3471rtmpe_protocol_select="ffrtmpcrypt_protocol" 3472rtmpe_protocol_suggest="zlib" 3473rtmps_protocol_conflict="librtmp_protocol" 3474rtmps_protocol_select="tls_protocol" 3475rtmps_protocol_suggest="zlib" 3476rtmpt_protocol_select="ffrtmphttp_protocol" 3477rtmpt_protocol_suggest="zlib" 3478rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol" 3479rtmpte_protocol_suggest="zlib" 3480rtmpts_protocol_select="ffrtmphttp_protocol https_protocol" 3481rtmpts_protocol_suggest="zlib" 3482rtp_protocol_select="udp_protocol" 3483schannel_conflict="openssl gnutls libtls mbedtls" 3484sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags" 3485sctp_protocol_select="network" 3486securetransport_conflict="openssl gnutls libtls mbedtls" 3487srtp_protocol_select="rtp_protocol srtp" 3488tcp_protocol_select="network" 3489tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls" 3490tls_protocol_select="tcp_protocol" 3491udp_protocol_select="network" 3492udplite_protocol_select="network" 3493unix_protocol_deps="sys_un_h" 3494unix_protocol_select="network" 3495 3496# external library protocols 3497libamqp_protocol_deps="librabbitmq" 3498libamqp_protocol_select="network" 3499librist_protocol_deps="librist" 3500librist_protocol_select="network" 3501librtmp_protocol_deps="librtmp" 3502librtmpe_protocol_deps="librtmp" 3503librtmps_protocol_deps="librtmp" 3504librtmpt_protocol_deps="librtmp" 3505librtmpte_protocol_deps="librtmp" 3506libsmbclient_protocol_deps="libsmbclient gplv3" 3507libsrt_protocol_deps="libsrt" 3508libsrt_protocol_select="network" 3509libssh_protocol_deps="libssh" 3510libtls_conflict="openssl gnutls mbedtls" 3511libzmq_protocol_deps="libzmq" 3512libzmq_protocol_select="network" 3513 3514# filters 3515afftdn_filter_deps="avcodec" 3516afftdn_filter_select="fft" 3517afftfilt_filter_deps="avcodec" 3518afftfilt_filter_select="fft" 3519afir_filter_deps="avcodec" 3520afir_filter_select="rdft" 3521amovie_filter_deps="avcodec avformat" 3522aresample_filter_deps="swresample" 3523asoftclip_filter_deps="swresample" 3524asr_filter_deps="pocketsphinx" 3525ass_filter_deps="libass" 3526atempo_filter_deps="avcodec" 3527atempo_filter_select="rdft" 3528avgblur_opencl_filter_deps="opencl" 3529avgblur_vulkan_filter_deps="vulkan libglslang" 3530azmq_filter_deps="libzmq" 3531blackframe_filter_deps="gpl" 3532bm3d_filter_deps="avcodec" 3533bm3d_filter_select="dct" 3534boxblur_filter_deps="gpl" 3535boxblur_opencl_filter_deps="opencl gpl" 3536bs2b_filter_deps="libbs2b" 3537chromaber_vulkan_filter_deps="vulkan libglslang" 3538colorkey_opencl_filter_deps="opencl" 3539colormatrix_filter_deps="gpl" 3540convolution_opencl_filter_deps="opencl" 3541convolve_filter_deps="avcodec" 3542convolve_filter_select="fft" 3543coreimage_filter_deps="coreimage appkit" 3544coreimage_filter_extralibs="-framework OpenGL" 3545coreimagesrc_filter_deps="coreimage appkit" 3546coreimagesrc_filter_extralibs="-framework OpenGL" 3547cover_rect_filter_deps="avcodec avformat gpl" 3548cropdetect_filter_deps="gpl" 3549deconvolve_filter_deps="avcodec" 3550deconvolve_filter_select="fft" 3551deinterlace_qsv_filter_deps="libmfx" 3552deinterlace_vaapi_filter_deps="vaapi" 3553delogo_filter_deps="gpl" 3554denoise_vaapi_filter_deps="vaapi" 3555derain_filter_select="dnn" 3556deshake_filter_select="pixelutils" 3557deshake_opencl_filter_deps="opencl" 3558dilation_opencl_filter_deps="opencl" 3559dnn_processing_filter_select="dnn" 3560drawtext_filter_deps="libfreetype" 3561drawtext_filter_suggest="libfontconfig libfribidi" 3562elbg_filter_deps="avcodec" 3563eq_filter_deps="gpl" 3564erosion_opencl_filter_deps="opencl" 3565fftfilt_filter_deps="avcodec" 3566fftfilt_filter_select="rdft" 3567fftdnoiz_filter_deps="avcodec" 3568fftdnoiz_filter_select="fft" 3569find_rect_filter_deps="avcodec avformat gpl" 3570firequalizer_filter_deps="avcodec" 3571firequalizer_filter_select="rdft" 3572flite_filter_deps="libflite" 3573framerate_filter_select="scene_sad" 3574freezedetect_filter_select="scene_sad" 3575frei0r_filter_deps="frei0r libdl" 3576frei0r_src_filter_deps="frei0r libdl" 3577fspp_filter_deps="gpl" 3578headphone_filter_select="fft" 3579histeq_filter_deps="gpl" 3580hqdn3d_filter_deps="gpl" 3581interlace_filter_deps="gpl" 3582kerndeint_filter_deps="gpl" 3583ladspa_filter_deps="ladspa libdl" 3584lensfun_filter_deps="liblensfun version3" 3585lv2_filter_deps="lv2" 3586mcdeint_filter_deps="avcodec gpl" 3587movie_filter_deps="avcodec avformat" 3588mpdecimate_filter_deps="gpl" 3589mpdecimate_filter_select="pixelutils" 3590minterpolate_filter_select="scene_sad" 3591mptestsrc_filter_deps="gpl" 3592negate_filter_deps="lut_filter" 3593nlmeans_opencl_filter_deps="opencl" 3594nnedi_filter_deps="gpl" 3595ocr_filter_deps="libtesseract" 3596ocv_filter_deps="libopencv" 3597openclsrc_filter_deps="opencl" 3598overlay_opencl_filter_deps="opencl" 3599overlay_qsv_filter_deps="libmfx" 3600overlay_qsv_filter_select="qsvvpp" 3601overlay_vulkan_filter_deps="vulkan libglslang" 3602owdenoise_filter_deps="gpl" 3603pad_opencl_filter_deps="opencl" 3604pan_filter_deps="swresample" 3605perspective_filter_deps="gpl" 3606phase_filter_deps="gpl" 3607pp7_filter_deps="gpl" 3608pp_filter_deps="gpl postproc" 3609prewitt_opencl_filter_deps="opencl" 3610procamp_vaapi_filter_deps="vaapi" 3611program_opencl_filter_deps="opencl" 3612pullup_filter_deps="gpl" 3613removelogo_filter_deps="avcodec avformat swscale" 3614repeatfields_filter_deps="gpl" 3615resample_filter_deps="avresample" 3616roberts_opencl_filter_deps="opencl" 3617rubberband_filter_deps="librubberband" 3618sab_filter_deps="gpl swscale" 3619scale2ref_filter_deps="swscale" 3620scale_filter_deps="swscale" 3621scale_qsv_filter_deps="libmfx" 3622scdet_filter_select="scene_sad" 3623select_filter_select="scene_sad" 3624sharpness_vaapi_filter_deps="vaapi" 3625showcqt_filter_deps="avcodec avformat swscale" 3626showcqt_filter_suggest="libfontconfig libfreetype" 3627showcqt_filter_select="fft" 3628showfreqs_filter_deps="avcodec" 3629showfreqs_filter_select="fft" 3630showspatial_filter_select="fft" 3631showspectrum_filter_deps="avcodec" 3632showspectrum_filter_select="fft" 3633showspectrumpic_filter_deps="avcodec" 3634showspectrumpic_filter_select="fft" 3635signature_filter_deps="gpl avcodec avformat" 3636sinc_filter_select="rdft" 3637smartblur_filter_deps="gpl swscale" 3638sobel_opencl_filter_deps="opencl" 3639sofalizer_filter_deps="libmysofa avcodec" 3640sofalizer_filter_select="fft" 3641spectrumsynth_filter_deps="avcodec" 3642spectrumsynth_filter_select="fft" 3643spp_filter_deps="gpl avcodec" 3644spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp" 3645sr_filter_deps="avformat swscale" 3646sr_filter_select="dnn" 3647stereo3d_filter_deps="gpl" 3648subtitles_filter_deps="avformat avcodec libass" 3649super2xsai_filter_deps="gpl" 3650pixfmts_super2xsai_test_deps="super2xsai_filter" 3651superequalizer_filter_select="rdft" 3652surround_filter_select="rdft" 3653tinterlace_filter_deps="gpl" 3654tinterlace_merge_test_deps="tinterlace_filter" 3655tinterlace_pad_test_deps="tinterlace_filter" 3656tonemap_filter_deps="const_nan" 3657tonemap_vaapi_filter_deps="vaapi VAProcFilterParameterBufferHDRToneMapping" 3658tonemap_opencl_filter_deps="opencl const_nan" 3659transpose_opencl_filter_deps="opencl" 3660transpose_vaapi_filter_deps="vaapi VAProcPipelineCaps_rotation_flags" 3661unsharp_opencl_filter_deps="opencl" 3662uspp_filter_deps="gpl avcodec" 3663vaguedenoiser_filter_deps="gpl" 3664vidstabdetect_filter_deps="libvidstab" 3665vidstabtransform_filter_deps="libvidstab" 3666libvmaf_filter_deps="libvmaf pthreads" 3667zmq_filter_deps="libzmq" 3668zoompan_filter_deps="swscale" 3669zscale_filter_deps="libzimg const_nan" 3670scale_vaapi_filter_deps="vaapi" 3671scale_vulkan_filter_deps="vulkan libglslang" 3672vpp_qsv_filter_deps="libmfx" 3673vpp_qsv_filter_select="qsvvpp" 3674xfade_opencl_filter_deps="opencl" 3675yadif_cuda_filter_deps="ffnvcodec" 3676yadif_cuda_filter_deps_any="cuda_nvcc cuda_llvm" 3677 3678# examples 3679avio_list_dir_deps="avformat avutil" 3680avio_reading_deps="avformat avcodec avutil" 3681decode_audio_example_deps="avcodec avutil" 3682decode_video_example_deps="avcodec avutil" 3683demuxing_decoding_example_deps="avcodec avformat avutil" 3684encode_audio_example_deps="avcodec avutil" 3685encode_video_example_deps="avcodec avutil" 3686extract_mvs_example_deps="avcodec avformat avutil" 3687filter_audio_example_deps="avfilter avutil" 3688filtering_audio_example_deps="avfilter avcodec avformat avutil" 3689filtering_video_example_deps="avfilter avcodec avformat avutil" 3690http_multiclient_example_deps="avformat avutil fork" 3691hw_decode_example_deps="avcodec avformat avutil" 3692metadata_example_deps="avformat avutil" 3693muxing_example_deps="avcodec avformat avutil swscale" 3694qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder" 3695remuxing_example_deps="avcodec avformat avutil" 3696resampling_audio_example_deps="avutil swresample" 3697scaling_video_example_deps="avutil swscale" 3698transcode_aac_example_deps="avcodec avformat swresample" 3699transcoding_example_deps="avfilter avcodec avformat avutil" 3700vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder" 3701vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder" 3702 3703# EXTRALIBS_LIST 3704cpu_init_extralibs="pthreads_extralibs" 3705cws2fws_extralibs="zlib_extralibs" 3706 3707# libraries, in any order 3708avcodec_deps="avutil" 3709avcodec_suggest="libm" 3710avcodec_select="null_bsf" 3711avdevice_deps="avformat avcodec avutil" 3712avdevice_suggest="libm" 3713avfilter_deps="avutil" 3714avfilter_suggest="libm" 3715avformat_deps="avcodec avutil" 3716avformat_suggest="libm network zlib" 3717avresample_deps="avutil" 3718avresample_suggest="libm" 3719avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi vulkan videotoolbox corefoundation corevideo coremedia bcrypt" 3720postproc_deps="avutil gpl" 3721postproc_suggest="libm" 3722swresample_deps="avutil" 3723swresample_suggest="libm libsoxr" 3724swscale_deps="avutil" 3725swscale_suggest="libm" 3726 3727avcodec_extralibs="pthreads_extralibs iconv_extralibs dxva2_extralibs" 3728avfilter_extralibs="pthreads_extralibs" 3729avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs" 3730 3731# programs 3732ffmpeg_deps="avcodec avfilter avformat" 3733ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter 3734 hflip_filter null_filter 3735 transpose_filter trim_filter vflip_filter" 3736ffmpeg_suggest="ole32 psapi shell32" 3737ffplay_deps="avcodec avformat swscale swresample sdl2" 3738ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter" 3739ffplay_suggest="shell32" 3740ffprobe_deps="avcodec avformat" 3741ffprobe_suggest="shell32" 3742 3743# documentation 3744podpages_deps="perl" 3745manpages_deps="perl pod2man" 3746htmlpages_deps="perl" 3747htmlpages_deps_any="makeinfo_html texi2html" 3748txtpages_deps="perl makeinfo" 3749doc_deps_any="manpages htmlpages podpages txtpages" 3750 3751# default parameters 3752 3753logfile="ffbuild/config.log" 3754 3755# installation paths 3756prefix_default="/usr/local" 3757bindir_default='${prefix}/bin' 3758datadir_default='${prefix}/share/ffmpeg' 3759docdir_default='${prefix}/share/doc/ffmpeg' 3760incdir_default='${prefix}/include' 3761libdir_default='${prefix}/lib' 3762mandir_default='${prefix}/share/man' 3763 3764# toolchain 3765ar_default="ar" 3766cc_default="gcc" 3767cxx_default="g++" 3768host_cc_default="gcc" 3769doxygen_default="doxygen" 3770install="install" 3771ln_s_default="ln -s -f" 3772nm_default="nm -g" 3773pkg_config_default=pkg-config 3774ranlib_default="ranlib" 3775strip_default="strip" 3776version_script='--version-script' 3777objformat="elf32" 3778x86asmexe_default="nasm" 3779windres_default="windres" 3780striptype="direct" 3781 3782# OS 3783target_os_default=$(tolower $(uname -s)) 3784host_os=$target_os_default 3785 3786# machine 3787if test "$target_os_default" = aix; then 3788 arch_default=$(uname -p) 3789 strip_default="strip -X32_64" 3790 nm_default="nm -g -X32_64" 3791else 3792 arch_default=$(uname -m) 3793fi 3794cpu="generic" 3795intrinsics="none" 3796 3797# configurable options 3798enable $PROGRAM_LIST 3799enable $DOCUMENT_LIST 3800enable $EXAMPLE_LIST 3801enable $(filter_out avresample $LIBRARY_LIST) 3802enable stripping 3803 3804enable asm 3805enable debug 3806enable doc 3807enable faan faandct faanidct 3808enable large_tests 3809enable optimizations 3810enable runtime_cpudetect 3811enable safe_bitstream_reader 3812enable static 3813enable swscale_alpha 3814enable valgrind_backtrace 3815 3816sws_max_filter_size_default=256 3817set_default sws_max_filter_size 3818 3819# internal components are enabled by default 3820enable $EXTRALIBS_LIST 3821 3822# Avoid external, non-system, libraries getting enabled by dependency resolution 3823disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST 3824 3825# build settings 3826SHFLAGS='-shared -Wl,-soname,$$(@F)' 3827LIBPREF="lib" 3828LIBSUF=".a" 3829FULLNAME='$(NAME)$(BUILDSUF)' 3830LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)' 3831SLIBPREF="lib" 3832SLIBSUF=".so" 3833SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)' 3834SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)' 3835SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)' 3836LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"' 3837SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)' 3838SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)' 3839VERSION_SCRIPT_POSTPROCESS_CMD="cat" 3840 3841asflags_filter=echo 3842cflags_filter=echo 3843ldflags_filter=echo 3844 3845AS_C='-c' 3846AS_O='-o $@' 3847CC_C='-c' 3848CC_E='-E -o $@' 3849CC_O='-o $@' 3850CXX_C='-c' 3851CXX_O='-o $@' 3852OBJCC_C='-c' 3853OBJCC_E='-E -o $@' 3854OBJCC_O='-o $@' 3855X86ASM_O='-o $@' 3856LD_O='-o $@' 3857LD_LIB='-l%' 3858LD_PATH='-L' 3859HOSTCC_C='-c' 3860HOSTCC_E='-E -o $@' 3861HOSTCC_O='-o $@' 3862HOSTLD_O='-o $@' 3863NVCC_C='-c' 3864NVCC_O='-o $@' 3865 3866host_extralibs='-lm' 3867host_cflags_filter=echo 3868host_ldflags_filter=echo 3869 3870target_path='$(CURDIR)' 3871 3872# since the object filename is not given with the -MM flag, the compiler 3873# is only able to print the basename, and we must add the path ourselves 3874DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)' 3875DEPFLAGS='-MM' 3876 3877mkdir -p ffbuild 3878 3879# find source path 3880if test -f configure; then 3881 source_path=. 3882elif test -f src/configure; then 3883 source_path=src 3884else 3885 source_path=$(cd $(dirname "$0"); pwd) 3886 case "$source_path" in 3887 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;; 3888 esac 3889 test -e "$source_path/config.h" && 3890 die "Out of tree builds are impossible with config.h in source dir." 3891fi 3892 3893for v in "$@"; do 3894 r=${v#*=} 3895 l=${v%"$r"} 3896 r=$(sh_quote "$r") 3897 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}" 3898done 3899 3900find_things_extern(){ 3901 thing=$1 3902 pattern=$2 3903 file=$source_path/$3 3904 out=${4:-$thing} 3905 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file" 3906} 3907 3908find_filters_extern(){ 3909 file=$source_path/$1 3910 sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file 3911} 3912 3913FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c) 3914OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev) 3915INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev) 3916MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c) 3917DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c) 3918ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c) 3919DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c) 3920CODEC_LIST=" 3921 $ENCODER_LIST 3922 $DECODER_LIST 3923" 3924PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c) 3925BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c) 3926HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h) 3927PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c) 3928 3929AVCODEC_COMPONENTS_LIST=" 3930 $BSF_LIST 3931 $DECODER_LIST 3932 $ENCODER_LIST 3933 $HWACCEL_LIST 3934 $PARSER_LIST 3935" 3936 3937AVDEVICE_COMPONENTS_LIST=" 3938 $INDEV_LIST 3939 $OUTDEV_LIST 3940" 3941 3942AVFILTER_COMPONENTS_LIST=" 3943 $FILTER_LIST 3944" 3945 3946AVFORMAT_COMPONENTS_LIST=" 3947 $DEMUXER_LIST 3948 $MUXER_LIST 3949 $PROTOCOL_LIST 3950" 3951 3952ALL_COMPONENTS=" 3953 $AVCODEC_COMPONENTS_LIST 3954 $AVDEVICE_COMPONENTS_LIST 3955 $AVFILTER_COMPONENTS_LIST 3956 $AVFORMAT_COMPONENTS_LIST 3957" 3958 3959for n in $COMPONENT_LIST; do 3960 v=$(toupper ${n%s})_LIST 3961 eval enable \$$v 3962 eval ${n}_if_any="\$$v" 3963done 3964 3965enable $ARCH_EXT_LIST 3966 3967die_unknown(){ 3968 echo "Unknown option \"$1\"." 3969 echo "See $0 --help for available options." 3970 exit 1 3971} 3972 3973print_in_columns() { 3974 tr ' ' '\n' | sort | tr '\r\n' ' ' | awk -v col_width=24 -v width="$ncols" ' 3975 { 3976 num_cols = width > col_width ? int(width / col_width) : 1; 3977 num_rows = int((NF + num_cols-1) / num_cols); 3978 y = x = 1; 3979 for (y = 1; y <= num_rows; y++) { 3980 i = y; 3981 for (x = 1; x <= num_cols; x++) { 3982 if (i <= NF) { 3983 line = sprintf("%s%-" col_width "s", line, $i); 3984 } 3985 i = i + num_rows; 3986 } 3987 print line; line = ""; 3988 } 3989 }' | sed 's/ *$//' 3990} 3991 3992show_list() { 3993 suffix=_$1 3994 shift 3995 echo $* | sed s/$suffix//g | print_in_columns 3996 exit 0 3997} 3998 3999rand_list(){ 4000 IFS=', ' 4001 set -- $* 4002 unset IFS 4003 for thing; do 4004 comp=${thing%:*} 4005 prob=${thing#$comp} 4006 prob=${prob#:} 4007 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST 4008 echo "prob ${prob:-0.5}" 4009 printf '%s\n' $comp 4010 done 4011} 4012 4013do_random(){ 4014 action=$1 4015 shift 4016 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }") 4017 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }") 4018} 4019 4020for opt do 4021 optval="${opt#*=}" 4022 case "$opt" in 4023 --extra-ldflags=*) 4024 add_ldflags $optval 4025 ;; 4026 --extra-ldexeflags=*) 4027 add_ldexeflags $optval 4028 ;; 4029 --extra-ldsoflags=*) 4030 add_ldsoflags $optval 4031 ;; 4032 --extra-ldlibflags=*) 4033 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\ 4034 "removed in the future. Use --extra-ldsoflags instead." 4035 add_ldsoflags $optval 4036 ;; 4037 --extra-libs=*) 4038 add_extralibs $optval 4039 ;; 4040 --disable-devices) 4041 disable $INDEV_LIST $OUTDEV_LIST 4042 ;; 4043 --enable-debug=*) 4044 debuglevel="$optval" 4045 ;; 4046 --disable-programs) 4047 disable $PROGRAM_LIST 4048 ;; 4049 --disable-everything) 4050 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST 4051 ;; 4052 --disable-all) 4053 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST 4054 disable $LIBRARY_LIST $PROGRAM_LIST doc 4055 enable avutil 4056 ;; 4057 --enable-random|--disable-random) 4058 action=${opt%%-random} 4059 do_random ${action#--} $COMPONENT_LIST 4060 ;; 4061 --enable-random=*|--disable-random=*) 4062 action=${opt%%-random=*} 4063 do_random ${action#--} $optval 4064 ;; 4065 --enable-sdl) 4066 enable sdl2 4067 ;; 4068 --enable-*=*|--disable-*=*) 4069 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/') 4070 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt" 4071 eval list=\$$(toupper $thing)_LIST 4072 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing} 4073 list=$(filter "$name" $list) 4074 [ "$list" = "" ] && warn "Option $opt did not match anything" 4075 test $action = enable && warn_if_gets_disabled $list 4076 $action $list 4077 ;; 4078 --enable-yasm|--disable-yasm) 4079 warn "The ${opt} option is only provided for compatibility and will be\n"\ 4080 "removed in the future. Use --enable-x86asm / --disable-x86asm instead." 4081 test $opt = --enable-yasm && x86asm=yes || x86asm=no 4082 ;; 4083 --yasmexe=*) 4084 warn "The --yasmexe option is only provided for compatibility and will be\n"\ 4085 "removed in the future. Use --x86asmexe instead." 4086 x86asmexe="$optval" 4087 ;; 4088 --enable-?*|--disable-?*) 4089 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g') 4090 if is_in $option $COMPONENT_LIST; then 4091 test $action = disable && action=unset 4092 eval $action \$$(toupper ${option%s})_LIST 4093 elif is_in $option $CMDLINE_SELECT; then 4094 $action $option 4095 else 4096 die_unknown $opt 4097 fi 4098 ;; 4099 --list-*) 4100 NAME="${opt#--list-}" 4101 is_in $NAME $COMPONENT_LIST || die_unknown $opt 4102 NAME=${NAME%s} 4103 eval show_list $NAME \$$(toupper $NAME)_LIST 4104 ;; 4105 --help|-h) show_help 4106 ;; 4107 --quiet|-q) quiet=yes 4108 ;; 4109 --fatal-warnings) enable fatal_warnings 4110 ;; 4111 --libfuzzer=*) 4112 libfuzzer_path="$optval" 4113 ;; 4114 *) 4115 optname="${opt%%=*}" 4116 optname="${optname#--}" 4117 optname=$(echo "$optname" | sed 's/-/_/g') 4118 if is_in $optname $CMDLINE_SET; then 4119 eval $optname='$optval' 4120 elif is_in $optname $CMDLINE_APPEND; then 4121 append $optname "$optval" 4122 else 4123 die_unknown $opt 4124 fi 4125 ;; 4126 esac 4127done 4128 4129for e in $env; do 4130 eval "export $e" 4131done 4132 4133if disabled autodetect; then 4134 4135 # Unless iconv is explicitely disabled by the user, we still want to probe 4136 # for the iconv from the libc. 4137 disabled iconv || enable libc_iconv 4138 4139 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST 4140 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST 4141fi 4142# Mark specifically enabled, but normally autodetected libraries as requested. 4143for lib in $AUTODETECT_LIBS; do 4144 enabled $lib && request $lib 4145done 4146#TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way 4147enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST 4148enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST 4149 4150disabled logging && logfile=/dev/null 4151 4152# command line configuration sanity checks 4153 4154# we need to build at least one lib type 4155if ! enabled_any static shared; then 4156 cat <<EOF 4157At least one library type must be built. 4158Specify --enable-static to build the static libraries or --enable-shared to 4159build the shared libraries as well. To only build the shared libraries specify 4160--disable-static in addition to --enable-shared. 4161EOF 4162 exit 1 4163fi 4164 4165die_license_disabled() { 4166 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; } 4167} 4168 4169die_license_disabled_gpl() { 4170 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; } 4171} 4172 4173map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST 4174map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST 4175 4176enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST 4177map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST 4178 4179enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; } 4180 4181if enabled nonfree; then 4182 license="nonfree and unredistributable" 4183elif enabled gplv3; then 4184 license="GPL version 3 or later" 4185elif enabled lgplv3; then 4186 license="LGPL version 3 or later" 4187elif enabled gpl; then 4188 license="GPL version 2 or later" 4189else 4190 license="LGPL version 2.1 or later" 4191fi 4192 4193enabled_all gnutls openssl && 4194 die "GnuTLS and OpenSSL must not be enabled at the same time." 4195 4196enabled_all gnutls mbedtls && 4197 die "GnuTLS and mbedTLS must not be enabled at the same time." 4198 4199enabled_all openssl mbedtls && 4200 die "OpenSSL and mbedTLS must not be enabled at the same time." 4201 4202# Disable all the library-specific components if the library itself 4203# is disabled, see AVCODEC_LIST and following _LIST variables. 4204 4205disable_components(){ 4206 disabled ${1} && disable $( 4207 eval components="\$$(toupper ${1})_COMPONENTS" 4208 map 'eval echo \${$(toupper ${v%s})_LIST}' $components 4209 ) 4210} 4211 4212map 'disable_components $v' $LIBRARY_LIST 4213 4214echo "# $0 $FFMPEG_CONFIGURATION" > $logfile 4215set >> $logfile 4216 4217test -n "$valgrind" && toolchain="valgrind-memcheck" 4218 4219enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize=" && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{ 4220 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer 4221 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp 4222} 4223 4224case "$toolchain" in 4225 *-asan) 4226 cc_default="${toolchain%-asan}" 4227 add_cflags -fsanitize=address 4228 add_ldflags -fsanitize=address 4229 ;; 4230 *-msan) 4231 cc_default="${toolchain%-msan}" 4232 add_cflags -fsanitize=memory -fsanitize-memory-track-origins 4233 add_ldflags -fsanitize=memory 4234 ;; 4235 *-tsan) 4236 cc_default="${toolchain%-tsan}" 4237 add_cflags -fsanitize=thread 4238 add_ldflags -fsanitize=thread 4239 case "$toolchain" in 4240 gcc-tsan) 4241 add_cflags -fPIC 4242 add_ldflags -fPIC 4243 ;; 4244 esac 4245 ;; 4246 *-usan) 4247 cc_default="${toolchain%-usan}" 4248 add_cflags -fsanitize=undefined 4249 add_ldflags -fsanitize=undefined 4250 ;; 4251 valgrind-*) 4252 target_exec_default="valgrind" 4253 case "$toolchain" in 4254 valgrind-massif) 4255 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc" 4256 ;; 4257 valgrind-memcheck) 4258 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp" 4259 ;; 4260 esac 4261 ;; 4262 msvc) 4263 # Check whether the current MSVC version needs the C99 converter. 4264 # From MSVC 2013 (compiler major version 18) onwards, it does actually 4265 # support enough of C99 to build ffmpeg. Default to the new 4266 # behaviour if the regexp was unable to match anything, since this 4267 # successfully parses the version number of existing supported 4268 # versions that require the converter (MSVC 2010 and 2012). 4269 cl_major_ver=$(cl.exe 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p') 4270 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then 4271 cc_default="cl.exe" 4272 cxx_default="cl.exe" 4273 else 4274 die "Unsupported MSVC version (2013 or newer required)" 4275 fi 4276 ld_default="$source_path/compat/windows/mslink" 4277 nm_default="dumpbin.exe -symbols" 4278 ar_default="lib.exe" 4279 case "${arch:-$arch_default}" in 4280 aarch64|arm64) 4281 as_default="armasm64.exe" 4282 ;; 4283 arm*) 4284 as_default="armasm.exe" 4285 ;; 4286 esac 4287 target_os_default="win32" 4288 # Use a relative path for TMPDIR. This makes sure all the 4289 # ffconf temp files are written with a relative path, avoiding 4290 # issues with msys/win32 path conversion for MSVC parameters 4291 # such as -Fo<file> or -out:<file>. 4292 TMPDIR=. 4293 ;; 4294 icl) 4295 cc_default="icl" 4296 ld_default="xilink" 4297 nm_default="dumpbin -symbols" 4298 ar_default="xilib" 4299 target_os_default="win32" 4300 TMPDIR=. 4301 ;; 4302 gcov) 4303 add_cflags -fprofile-arcs -ftest-coverage 4304 add_ldflags -fprofile-arcs -ftest-coverage 4305 ;; 4306 llvm-cov) 4307 add_cflags -fprofile-arcs -ftest-coverage 4308 add_ldflags --coverage 4309 ;; 4310 hardened) 4311 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 4312 add_cflags -fno-strict-overflow -fstack-protector-all 4313 add_ldflags -Wl,-z,relro -Wl,-z,now 4314 add_cflags -fPIE 4315 add_ldexeflags -fPIE -pie 4316 ;; 4317 ?*) 4318 die "Unknown toolchain $toolchain" 4319 ;; 4320esac 4321 4322if test -n "$cross_prefix"; then 4323 test -n "$arch" && test -n "$target_os" || 4324 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling" 4325 enable cross_compile 4326fi 4327 4328set_default target_os 4329if test "$target_os" = android; then 4330 cc_default="clang" 4331fi 4332 4333ar_default="${cross_prefix}${ar_default}" 4334cc_default="${cross_prefix}${cc_default}" 4335cxx_default="${cross_prefix}${cxx_default}" 4336nm_default="${cross_prefix}${nm_default}" 4337pkg_config_default="${cross_prefix}${pkg_config_default}" 4338if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then 4339 ranlib_default="${cross_prefix}${ranlib_default} -D" 4340else 4341 ranlib_default="${cross_prefix}${ranlib_default}" 4342fi 4343strip_default="${cross_prefix}${strip_default}" 4344windres_default="${cross_prefix}${windres_default}" 4345 4346sysinclude_default="${sysroot}/usr/include" 4347 4348if enabled cuda_sdk; then 4349 warn "Option --enable-cuda-sdk is deprecated. Use --enable-cuda-nvcc instead." 4350 enable cuda_nvcc 4351fi 4352 4353if enabled cuda_nvcc; then 4354 nvcc_default="nvcc" 4355 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2" 4356else 4357 nvcc_default="clang" 4358 nvccflags_default="--cuda-gpu-arch=sm_30 -O2" 4359 NVCC_C="" 4360fi 4361 4362set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \ 4363 target_exec x86asmexe nvcc 4364enabled cross_compile || host_cc_default=$cc 4365set_default host_cc 4366 4367pkg_config_fail_message="" 4368if ! $pkg_config --version >/dev/null 2>&1; then 4369 warn "$pkg_config not found, library detection may fail." 4370 pkg_config=false 4371elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then 4372 pkg_config_fail_message=" 4373Note: When building a static binary, add --pkg-config-flags=\"--static\"." 4374fi 4375 4376if test $doxygen != $doxygen_default && \ 4377 ! $doxygen --version >/dev/null 2>&1; then 4378 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build." 4379fi 4380 4381exesuf() { 4382 case $1 in 4383 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;; 4384 esac 4385} 4386 4387EXESUF=$(exesuf $target_os) 4388HOSTEXESUF=$(exesuf $host_os) 4389 4390# set temporary file name 4391: ${TMPDIR:=$TEMPDIR} 4392: ${TMPDIR:=$TMP} 4393: ${TMPDIR:=/tmp} 4394 4395if [ -n "$tempprefix" ] ; then 4396 mktemp(){ 4397 tmpname="$tempprefix.${HOSTNAME}.${UID}" 4398 echo "$tmpname" 4399 mkdir "$tmpname" 4400 } 4401elif ! test_cmd mktemp -u XXXXXX; then 4402 # simple replacement for missing mktemp 4403 # NOT SAFE FOR GENERAL USE 4404 mktemp(){ 4405 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$" 4406 echo "$tmpname" 4407 mkdir "$tmpname" 4408 } 4409fi 4410 4411FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) || 4412 die "Unable to create temporary directory in $TMPDIR." 4413 4414tmpfile(){ 4415 tmp="${FFTMPDIR}/test"$2 4416 (set -C; exec > $tmp) 2> /dev/null || 4417 die "Unable to create temporary file in $FFTMPDIR." 4418 eval $1=$tmp 4419} 4420 4421trap 'rm -rf -- "$FFTMPDIR"' EXIT 4422trap 'exit 2' INT 4423 4424tmpfile TMPASM .asm 4425tmpfile TMPC .c 4426tmpfile TMPCPP .cpp 4427tmpfile TMPE $EXESUF 4428tmpfile TMPH .h 4429tmpfile TMPM .m 4430tmpfile TMPCU .cu 4431tmpfile TMPO .o 4432tmpfile TMPS .S 4433tmpfile TMPSH .sh 4434tmpfile TMPV .ver 4435 4436unset -f mktemp 4437 4438chmod +x $TMPE 4439 4440# make sure we can execute files in $TMPDIR 4441cat > $TMPSH 2>> $logfile <<EOF 4442#! /bin/sh 4443EOF 4444chmod +x $TMPSH >> $logfile 2>&1 4445if ! $TMPSH >> $logfile 2>&1; then 4446 cat <<EOF 4447Unable to create and execute files in $TMPDIR. Set the TMPDIR environment 4448variable to another directory and make sure that it is not mounted noexec. 4449EOF 4450 die "Sanity test failed." 4451fi 4452 4453armasm_flags(){ 4454 for flag; do 4455 case $flag in 4456 # Filter out MSVC cl.exe options from cflags that shouldn't 4457 # be passed to gas-preprocessor 4458 -M[TD]*) ;; 4459 *) echo $flag ;; 4460 esac 4461 done 4462} 4463 4464cparser_flags(){ 4465 for flag; do 4466 case $flag in 4467 -Wno-switch) echo -Wno-switch-enum ;; 4468 -Wno-format-zero-length) ;; 4469 -Wdisabled-optimization) ;; 4470 -Wno-pointer-sign) echo -Wno-other ;; 4471 *) echo $flag ;; 4472 esac 4473 done 4474} 4475 4476msvc_common_flags(){ 4477 for flag; do 4478 case $flag in 4479 # In addition to specifying certain flags under the compiler 4480 # specific filters, they must be specified here as well or else the 4481 # generic catch all at the bottom will print the original flag. 4482 -Wall) ;; 4483 -Wextra) ;; 4484 -std=c*) ;; 4485 # Common flags 4486 -fomit-frame-pointer) ;; 4487 -g) echo -Z7 ;; 4488 -fno-math-errno) ;; 4489 -fno-common) ;; 4490 -fno-signed-zeros) ;; 4491 -fPIC) ;; 4492 -mthumb) ;; 4493 -march=*) ;; 4494 -lz) echo zlib.lib ;; 4495 -lx264) echo libx264.lib ;; 4496 -lstdc++) ;; 4497 -l*) echo ${flag#-l}.lib ;; 4498 -LARGEADDRESSAWARE) echo $flag ;; 4499 -L*) echo -libpath:${flag#-L} ;; 4500 -Wl,*) ;; 4501 *) echo $flag ;; 4502 esac 4503 done 4504} 4505 4506msvc_flags(){ 4507 msvc_common_flags "$@" 4508 for flag; do 4509 case $flag in 4510 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \ 4511 -wd4554 ;; 4512 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \ 4513 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \ 4514 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \ 4515 -wd4307 \ 4516 -wd4273 -wd4554 -wd4701 -wd4703 ;; 4517 esac 4518 done 4519} 4520 4521icl_flags(){ 4522 msvc_common_flags "$@" 4523 for flag; do 4524 case $flag in 4525 # Despite what Intel's documentation says -Wall, which is supported 4526 # on Windows, does enable remarks so disable them here. 4527 -Wall) echo $flag -Qdiag-disable:remark ;; 4528 -std=c99) echo -Qstd=c99 ;; 4529 -flto) echo -ipo ;; 4530 esac 4531 done 4532} 4533 4534icc_flags(){ 4535 for flag; do 4536 case $flag in 4537 -flto) echo -ipo ;; 4538 *) echo $flag ;; 4539 esac 4540 done 4541} 4542 4543suncc_flags(){ 4544 for flag; do 4545 case $flag in 4546 -march=*|-mcpu=*) 4547 case "${flag#*=}" in 4548 native) echo -xtarget=native ;; 4549 v9|niagara) echo -xarch=sparc ;; 4550 ultrasparc) echo -xarch=sparcvis ;; 4551 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;; 4552 i586|pentium) echo -xchip=pentium ;; 4553 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;; 4554 pentium3*|c3-2) echo -xtarget=pentium3 ;; 4555 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;; 4556 pentium4*) echo -xtarget=pentium4 ;; 4557 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;; 4558 *-sse3) echo -xarch=sse3 ;; 4559 core2) echo -xarch=ssse3 -xchip=core2 ;; 4560 bonnell) echo -xarch=ssse3 ;; 4561 corei7|nehalem) echo -xtarget=nehalem ;; 4562 westmere) echo -xtarget=westmere ;; 4563 silvermont) echo -xarch=sse4_2 ;; 4564 corei7-avx|sandybridge) echo -xtarget=sandybridge ;; 4565 core-avx*|ivybridge|haswell|broadwell|skylake*|knl) 4566 echo -xarch=avx ;; 4567 amdfam10|barcelona) echo -xtarget=barcelona ;; 4568 btver1) echo -xarch=amdsse4a ;; 4569 btver2|bdver*|znver*) echo -xarch=avx ;; 4570 athlon-4|athlon-[mx]p) echo -xarch=ssea ;; 4571 k8|opteron|athlon64|athlon-fx) 4572 echo -xarch=sse2a ;; 4573 athlon*) echo -xarch=pentium_proa ;; 4574 esac 4575 ;; 4576 -std=c99) echo -xc99 ;; 4577 -fomit-frame-pointer) echo -xregs=frameptr ;; 4578 -fPIC) echo -KPIC -xcode=pic32 ;; 4579 -W*,*) echo $flag ;; 4580 -f*-*|-W*|-mimpure-text) ;; 4581 -shared) echo -G ;; 4582 *) echo $flag ;; 4583 esac 4584 done 4585} 4586 4587probe_cc(){ 4588 pfx=$1 4589 _cc=$2 4590 first=$3 4591 4592 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags 4593 unset _ld_o _ldflags _ld_lib _ld_path 4594 unset _depflags _DEPCMD _DEPFLAGS 4595 _flags_filter=echo 4596 4597 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then 4598 true # no-op to avoid reading stdin in following checks 4599 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then 4600 _type=llvm_gcc 4601 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)') 4602 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver" 4603 _depflags='-MMD -MF $(@:.o=.d) -MT $@' 4604 _cflags_speed='-O3' 4605 _cflags_size='-Os' 4606 elif $_cc -v 2>&1 | grep -qi ^gcc; then 4607 _type=gcc 4608 gcc_version=$($_cc --version | head -n1) 4609 gcc_basever=$($_cc -dumpversion) 4610 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)') 4611 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)") 4612 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver") 4613 case $gcc_basever in 4614 2) ;; 4615 2.*) ;; 4616 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;; 4617 esac 4618 if [ "$first" = true ]; then 4619 case $gcc_basever in 4620 4.2*) 4621 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;; 4622 esac 4623 fi 4624 _cflags_speed='-O3' 4625 _cflags_size='-Os' 4626 elif $_cc --version 2>/dev/null | grep -q ^icc; then 4627 _type=icc 4628 _ident=$($_cc --version | head -n1) 4629 _depflags='-MMD' 4630 _cflags_speed='-O3' 4631 _cflags_size='-Os' 4632 _cflags_noopt='-O1' 4633 _flags_filter=icc_flags 4634 elif $_cc -v 2>&1 | grep -q xlc; then 4635 _type=xlc 4636 _ident=$($_cc -qversion 2>/dev/null | head -n1) 4637 _cflags_speed='-O5' 4638 _cflags_size='-O5 -qcompact' 4639 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then 4640 test -d "$sysroot" || die "No valid sysroot specified." 4641 _type=armcc 4642 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //') 4643 armcc_conf="$PWD/armcc.conf" 4644 $_cc --arm_linux_configure \ 4645 --arm_linux_config_file="$armcc_conf" \ 4646 --configure_sysroot="$sysroot" \ 4647 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 || 4648 die "Error creating armcc configuration file." 4649 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc 4650 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc" 4651 as_default="${cross_prefix}gcc" 4652 _depflags='-MMD' 4653 _cflags_speed='-O3' 4654 _cflags_size='-Os' 4655 elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then 4656 _type=clang 4657 _ident=$($_cc --version 2>/dev/null | head -n1) 4658 _depflags='-MMD -MF $(@:.o=.d) -MT $@' 4659 _cflags_speed='-O3' 4660 _cflags_size='-Oz' 4661 elif $_cc -V 2>&1 | grep -q Sun; then 4662 _type=suncc 4663 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-) 4664 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)' 4665 _DEPFLAGS='-xM1 -xc99' 4666 _ldflags='-std=c99' 4667 _cflags_speed='-O5' 4668 _cflags_size='-O5 -xspace' 4669 _flags_filter=suncc_flags 4670 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then 4671 _type=pathscale 4672 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) 4673 _depflags='-MMD -MF $(@:.o=.d) -MT $@' 4674 _cflags_speed='-O2' 4675 _cflags_size='-Os' 4676 _flags_filter='filter_out -Wdisabled-optimization' 4677 elif $_cc -v 2>&1 | grep -q Open64; then 4678 _type=open64 4679 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) 4680 _depflags='-MMD -MF $(@:.o=.d) -MT $@' 4681 _cflags_speed='-O2' 4682 _cflags_size='-Os' 4683 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros' 4684 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then 4685 _type=armasm 4686 _ident=$($_cc | head -n1) 4687 # 4509: "This form of conditional instruction is deprecated" 4688 _flags="-nologo -ignore 4509" 4689 _flags_filter=armasm_flags 4690 elif $_cc 2>&1 | grep -q Intel; then 4691 _type=icl 4692 _ident=$($_cc 2>&1 | head -n1) 4693 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@' 4694 # Not only is O3 broken on 13.x+ but it is slower on all previous 4695 # versions (tested) as well. 4696 _cflags_speed="-O2" 4697 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff 4698 if $_cc 2>&1 | grep -q Linker; then 4699 _ld_o='-out:$@' 4700 else 4701 _ld_o='-Fe$@' 4702 fi 4703 _cc_o='-Fo$@' 4704 _cc_e='-P' 4705 _flags_filter=icl_flags 4706 _ld_lib='lib%.a' 4707 _ld_path='-libpath:' 4708 # -Qdiag-error to make icl error when seeing certain unknown arguments 4709 _flags='-nologo -Qdiag-error:4044,10157' 4710 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency 4711 # with MSVC which enables it by default. 4712 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise' 4713 disable stripping 4714 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then 4715 # lld can emulate multiple different linkers; in ms link.exe mode, 4716 # the -? parameter gives the help output which contains an identifyable 4717 # string, while it gives an error in other modes. 4718 _type=lld-link 4719 # The link.exe mode doesn't have a switch for getting the version, 4720 # but we can force it back to gnu mode and get the version from there. 4721 _ident=$($_cc -flavor gnu --version 2>/dev/null) 4722 _ld_o='-out:$@' 4723 _flags_filter=msvc_flags 4724 _ld_lib='lib%.a' 4725 _ld_path='-libpath:' 4726 elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then 4727 _type=msvc 4728 if $_cc -nologo- 2>&1 | grep -q Microsoft; then 4729 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r') 4730 else 4731 _ident=$($_cc --version 2>/dev/null | head -n1 | tr -d '\r') 4732 fi 4733 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)' 4734 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs' 4735 _cflags_speed="-O2" 4736 _cflags_size="-O1" 4737 _cflags_noopt="-O1" 4738 if $_cc -nologo- 2>&1 | grep -q Linker; then 4739 _ld_o='-out:$@' 4740 else 4741 _ld_o='-Fe$@' 4742 fi 4743 _cc_o='-Fo$@' 4744 _cc_e='-P -Fi$@' 4745 _flags_filter=msvc_flags 4746 _ld_lib='lib%.a' 4747 _ld_path='-libpath:' 4748 _flags='-nologo' 4749 disable stripping 4750 elif $_cc --version 2>/dev/null | grep -q ^cparser; then 4751 _type=cparser 4752 _ident=$($_cc --version | head -n1) 4753 _depflags='-MMD' 4754 _cflags_speed='-O4' 4755 _cflags_size='-O2' 4756 _flags_filter=cparser_flags 4757 fi 4758 4759 eval ${pfx}_type=\$_type 4760 eval ${pfx}_ident=\$_ident 4761} 4762 4763set_ccvars(){ 4764 eval ${1}_C=\${_cc_c-\${${1}_C}} 4765 eval ${1}_E=\${_cc_e-\${${1}_E}} 4766 eval ${1}_O=\${_cc_o-\${${1}_O}} 4767 4768 if [ -n "$_depflags" ]; then 4769 eval ${1}_DEPFLAGS=\$_depflags 4770 else 4771 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD} 4772 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS} 4773 eval DEP${1}FLAGS=\$_flags 4774 fi 4775} 4776 4777probe_cc cc "$cc" "true" 4778cflags_filter=$_flags_filter 4779cflags_speed=$_cflags_speed 4780cflags_size=$_cflags_size 4781cflags_noopt=$_cflags_noopt 4782add_cflags $_flags $_cflags 4783cc_ldflags=$_ldflags 4784set_ccvars CC 4785set_ccvars CXX 4786 4787probe_cc hostcc "$host_cc" 4788host_cflags_filter=$_flags_filter 4789host_cflags_speed=$_cflags_speed 4790add_host_cflags $_flags $_cflags 4791set_ccvars HOSTCC 4792 4793test -n "$cc_type" && enable $cc_type || 4794 warn "Unknown C compiler $cc, unable to select optimal CFLAGS" 4795 4796: ${as_default:=$cc} 4797: ${objcc_default:=$cc} 4798: ${dep_cc_default:=$cc} 4799: ${ld_default:=$cc} 4800: ${host_ld_default:=$host_cc} 4801set_default ar as objcc dep_cc ld ln_s host_ld windres 4802 4803probe_cc as "$as" 4804asflags_filter=$_flags_filter 4805add_asflags $_flags $_cflags 4806set_ccvars AS 4807 4808probe_cc objcc "$objcc" 4809objcflags_filter=$_flags_filter 4810add_objcflags $_flags $_cflags 4811set_ccvars OBJC 4812 4813probe_cc ld "$ld" 4814ldflags_filter=$_flags_filter 4815add_ldflags $_flags $_ldflags 4816test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags 4817LD_O=${_ld_o-$LD_O} 4818LD_LIB=${_ld_lib-$LD_LIB} 4819LD_PATH=${_ld_path-$LD_PATH} 4820 4821probe_cc hostld "$host_ld" 4822host_ldflags_filter=$_flags_filter 4823add_host_ldflags $_flags $_ldflags 4824HOSTLD_O=${_ld_o-$HOSTLD_O} 4825 4826if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then 4827 probe_cc depcc "$dep_cc" 4828 CCDEP=${_DEPCMD:-$DEPCMD} 4829 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS} 4830 DEPCCFLAGS=$_flags 4831fi 4832 4833if $ar 2>&1 | grep -q Microsoft; then 4834 arflags="-nologo" 4835 ar_o='-out:$@' 4836elif $ar 2>&1 | grep -q "\[D\] "; then 4837 arflags="rcD" 4838 ar_o='$@' 4839else 4840 arflags="rc" 4841 ar_o='$@' 4842fi 4843 4844add_cflags $extra_cflags 4845add_cxxflags $extra_cxxflags 4846add_objcflags $extra_objcflags 4847add_asflags $extra_cflags 4848 4849if test -n "$sysroot"; then 4850 case "$cc_type" in 4851 gcc|llvm_gcc|clang) 4852 add_cppflags --sysroot="$sysroot" 4853 add_ldflags --sysroot="$sysroot" 4854 ;; 4855 esac 4856fi 4857 4858if test "$cpu" = host; then 4859 enabled cross_compile && 4860 warn "--cpu=host makes no sense when cross-compiling." 4861 4862 case "$cc_type" in 4863 gcc|llvm_gcc) 4864 check_native(){ 4865 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return 4866 sed -n "/cc1.*$1=/{ 4867 s/.*$1=\\([^ ]*\\).*/\\1/ 4868 p 4869 q 4870 }" $TMPE 4871 } 4872 cpu=$(check_native -march || check_native -mcpu) 4873 ;; 4874 clang) 4875 check_native(){ 4876 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return 4877 sed -n "/cc1.*-target-cpu /{ 4878 s/.*-target-cpu \\([^ ]*\\).*/\\1/ 4879 p 4880 q 4881 }" $TMPE 4882 } 4883 cpu=$(check_native -march) 4884 ;; 4885 esac 4886 4887 test "${cpu:-host}" = host && 4888 die "--cpu=host not supported with compiler $cc" 4889fi 4890 4891# Deal with common $arch aliases 4892case "$arch" in 4893 aarch64|arm64) 4894 arch="aarch64" 4895 ;; 4896 arm*|iPad*|iPhone*) 4897 arch="arm" 4898 ;; 4899 mips*|IP*) 4900 case "$arch" in 4901 *el) 4902 add_cppflags -EL 4903 add_ldflags -EL 4904 ;; 4905 *eb) 4906 add_cppflags -EB 4907 add_ldflags -EB 4908 ;; 4909 esac 4910 arch="mips" 4911 ;; 4912 parisc*|hppa*) 4913 arch="parisc" 4914 ;; 4915 "Power Macintosh"|ppc*|powerpc*) 4916 arch="ppc" 4917 ;; 4918 s390|s390x) 4919 arch="s390" 4920 ;; 4921 sh4|sh) 4922 arch="sh4" 4923 ;; 4924 sun4*|sparc*) 4925 arch="sparc" 4926 ;; 4927 tilegx|tile-gx) 4928 arch="tilegx" 4929 ;; 4930 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64) 4931 arch="x86" 4932 ;; 4933esac 4934 4935is_in $arch $ARCH_LIST || warn "unknown architecture $arch" 4936enable $arch 4937 4938# Add processor-specific flags 4939if enabled aarch64; then 4940 4941 case $cpu in 4942 armv*) 4943 cpuflags="-march=$cpu" 4944 ;; 4945 *) 4946 cpuflags="-mcpu=$cpu" 4947 ;; 4948 esac 4949 4950elif enabled alpha; then 4951 4952 cpuflags="-mcpu=$cpu" 4953 4954elif enabled arm; then 4955 4956 check_arm_arch() { 4957 test_cpp_condition stddef.h \ 4958 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \ 4959 $cpuflags 4960 } 4961 4962 probe_arm_arch() { 4963 if check_arm_arch 4; then echo armv4 4964 elif check_arm_arch 4T; then echo armv4t 4965 elif check_arm_arch 5; then echo armv5 4966 elif check_arm_arch 5E; then echo armv5e 4967 elif check_arm_arch 5T; then echo armv5t 4968 elif check_arm_arch 5TE; then echo armv5te 4969 elif check_arm_arch 5TEJ; then echo armv5te 4970 elif check_arm_arch 6; then echo armv6 4971 elif check_arm_arch 6J; then echo armv6j 4972 elif check_arm_arch 6K; then echo armv6k 4973 elif check_arm_arch 6Z; then echo armv6z 4974 elif check_arm_arch 6KZ; then echo armv6zk 4975 elif check_arm_arch 6ZK; then echo armv6zk 4976 elif check_arm_arch 6T2; then echo armv6t2 4977 elif check_arm_arch 7; then echo armv7 4978 elif check_arm_arch 7A 7_A; then echo armv7-a 4979 elif check_arm_arch 7S; then echo armv7-a 4980 elif check_arm_arch 7R 7_R; then echo armv7-r 4981 elif check_arm_arch 7M 7_M; then echo armv7-m 4982 elif check_arm_arch 7EM 7E_M; then echo armv7-m 4983 elif check_arm_arch 8A 8_A; then echo armv8-a 4984 fi 4985 } 4986 4987 [ "$cpu" = generic ] && cpu=$(probe_arm_arch) 4988 4989 case $cpu in 4990 armv*) 4991 cpuflags="-march=$cpu" 4992 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g') 4993 ;; 4994 *) 4995 cpuflags="-mcpu=$cpu" 4996 case $cpu in 4997 cortex-a*) subarch=armv7a ;; 4998 cortex-r*) subarch=armv7r ;; 4999 cortex-m*) enable thumb; subarch=armv7m ;; 5000 arm11*) subarch=armv6 ;; 5001 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;; 5002 armv4*|arm7*|arm9[24]*) subarch=armv4 ;; 5003 *) subarch=$(probe_arm_arch) ;; 5004 esac 5005 ;; 5006 esac 5007 5008 case "$subarch" in 5009 armv5t*) enable fast_clz ;; 5010 armv[6-8]*) 5011 enable fast_clz 5012 disabled fast_unaligned || enable fast_unaligned 5013 ;; 5014 esac 5015 5016elif enabled avr32; then 5017 5018 case $cpu in 5019 ap7[02]0[0-2]) 5020 subarch="avr32_ap" 5021 cpuflags="-mpart=$cpu" 5022 ;; 5023 ap) 5024 subarch="avr32_ap" 5025 cpuflags="-march=$cpu" 5026 ;; 5027 uc3[ab]*) 5028 subarch="avr32_uc" 5029 cpuflags="-mcpu=$cpu" 5030 ;; 5031 uc) 5032 subarch="avr32_uc" 5033 cpuflags="-march=$cpu" 5034 ;; 5035 esac 5036 5037elif enabled bfin; then 5038 5039 cpuflags="-mcpu=$cpu" 5040 5041elif enabled mips; then 5042 5043 if [ "$cpu" != "generic" ]; then 5044 disable mips32r2 5045 disable mips32r5 5046 disable mips64r2 5047 disable mips32r6 5048 disable mips64r6 5049 disable loongson2 5050 disable loongson3 5051 disable mipsdsp 5052 disable mipsdspr2 5053 5054 cpuflags="-march=$cpu" 5055 5056 case $cpu in 5057 # General ISA levels 5058 mips1|mips3) 5059 ;; 5060 mips32r2) 5061 enable mips32r2 5062 ;; 5063 mips32r5) 5064 enable mips32r2 5065 enable mips32r5 5066 ;; 5067 mips64r2|mips64r5) 5068 enable mips64r2 5069 enable loongson3 5070 ;; 5071 # Cores from MIPS(MTI) 5072 24kc) 5073 disable mipsfpu 5074 enable mips32r2 5075 ;; 5076 24kf*|24kec|34kc|74Kc|1004kc) 5077 enable mips32r2 5078 ;; 5079 24kef*|34kf*|1004kf*) 5080 enable mipsdsp 5081 enable mips32r2 5082 ;; 5083 p5600) 5084 enable mips32r2 5085 enable mips32r5 5086 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" 5087 ;; 5088 i6400) 5089 enable mips64r6 5090 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64" 5091 ;; 5092 p6600) 5093 enable mips64r6 5094 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64" 5095 ;; 5096 # Cores from Loongson 5097 loongson2e|loongson2f|loongson3*) 5098 enable local_aligned 5099 enable simd_align_16 5100 enable fast_64bit 5101 enable fast_clz 5102 enable fast_cmov 5103 enable fast_unaligned 5104 disable aligned_stack 5105 # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag. 5106 if test "$cc_type" = "gcc"; then 5107 case $gcc_basever in 5108 2|2.*|3.*|4.*|5.0|5.1|5.2) 5109 expensive_optimization_flag="-fno-expensive-optimizations" 5110 ;; 5111 *) 5112 expensive_optimization_flag="" 5113 ;; 5114 esac 5115 fi 5116 5117 case $cpu in 5118 loongson3*) 5119 enable loongson3 5120 cpuflags="-march=loongson3a -mhard-float $expensive_optimization_flag" 5121 ;; 5122 loongson2e) 5123 enable loongson2 5124 cpuflags="-march=loongson2e -mhard-float $expensive_optimization_flag" 5125 ;; 5126 loongson2f) 5127 enable loongson2 5128 cpuflags="-march=loongson2f -mhard-float $expensive_optimization_flag" 5129 ;; 5130 esac 5131 ;; 5132 *) 5133 warn "unknown MIPS CPU" 5134 ;; 5135 esac 5136 5137 else 5138 disable mipsdsp 5139 disable mipsdspr2 5140 # Disable DSP stuff for generic CPU, it can't be detected at runtime. 5141 warn 'generic cpu selected' 5142 fi 5143 5144elif enabled ppc; then 5145 5146 disable ldbrx 5147 5148 case $(tolower $cpu) in 5149 601|ppc601|powerpc601) 5150 cpuflags="-mcpu=601" 5151 disable altivec 5152 ;; 5153 603*|ppc603*|powerpc603*) 5154 cpuflags="-mcpu=603" 5155 disable altivec 5156 ;; 5157 604*|ppc604*|powerpc604*) 5158 cpuflags="-mcpu=604" 5159 disable altivec 5160 ;; 5161 g3|75*|ppc75*|powerpc75*) 5162 cpuflags="-mcpu=750" 5163 disable altivec 5164 ;; 5165 g4|745*|ppc745*|powerpc745*) 5166 cpuflags="-mcpu=7450" 5167 disable vsx 5168 ;; 5169 74*|ppc74*|powerpc74*) 5170 cpuflags="-mcpu=7400" 5171 disable vsx 5172 ;; 5173 g5|970|ppc970|powerpc970) 5174 cpuflags="-mcpu=970" 5175 disable vsx 5176 ;; 5177 power[3-6]*) 5178 cpuflags="-mcpu=$cpu" 5179 disable vsx 5180 ;; 5181 power[7-8]*) 5182 cpuflags="-mcpu=$cpu" 5183 ;; 5184 cell) 5185 cpuflags="-mcpu=cell" 5186 enable ldbrx 5187 disable vsx 5188 ;; 5189 e500mc) 5190 cpuflags="-mcpu=e500mc" 5191 disable altivec 5192 ;; 5193 e500v2) 5194 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double" 5195 disable altivec 5196 disable dcbzl 5197 ;; 5198 e500) 5199 cpuflags="-mcpu=8540 -mhard-float" 5200 disable altivec 5201 disable dcbzl 5202 ;; 5203 esac 5204 5205elif enabled sparc; then 5206 5207 case $cpu in 5208 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789]) 5209 cpuflags="-mcpu=$cpu" 5210 ;; 5211 ultrasparc*|niagara[234]) 5212 cpuflags="-mcpu=$cpu" 5213 ;; 5214 esac 5215 5216elif enabled x86; then 5217 5218 case $cpu in 5219 i[345]86|pentium) 5220 cpuflags="-march=$cpu" 5221 disable i686 5222 disable mmx 5223 ;; 5224 # targets that do NOT support nopl and conditional mov (cmov) 5225 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3) 5226 cpuflags="-march=$cpu" 5227 disable i686 5228 ;; 5229 # targets that do support nopl and conditional mov (cmov) 5230 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\ 5231 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\ 5232 |amdfam10|barcelona|b[dt]ver*|znver*) 5233 cpuflags="-march=$cpu" 5234 enable i686 5235 enable fast_cmov 5236 ;; 5237 # targets that do support conditional mov but on which it's slow 5238 pentium4|pentium4m|prescott|nocona) 5239 cpuflags="-march=$cpu" 5240 enable i686 5241 disable fast_cmov 5242 ;; 5243 esac 5244 5245fi 5246 5247if [ "$cpu" != generic ]; then 5248 add_cflags $cpuflags 5249 add_asflags $cpuflags 5250 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags 5251fi 5252 5253# compiler sanity check 5254test_exec <<EOF 5255int main(void){ return 0; } 5256EOF 5257if test "$?" != 0; then 5258 echo "$cc is unable to create an executable file." 5259 if test -z "$cross_prefix" && ! enabled cross_compile ; then 5260 echo "If $cc is a cross-compiler, use the --enable-cross-compile option." 5261 echo "Only do this if you know what cross compiling means." 5262 fi 5263 die "C compiler test failed." 5264fi 5265 5266add_cppflags -D_ISOC99_SOURCE 5267add_cxxflags -D__STDC_CONSTANT_MACROS 5268check_cxxflags -std=c++11 || check_cxxflags -std=c++0x 5269 5270# some compilers silently accept -std=c11, so we also need to check that the 5271# version macro is defined properly 5272test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" && 5273 add_cflags -std=c11 || 5274 check_cflags -std=c99 5275 5276check_cppflags -D_FILE_OFFSET_BITS=64 5277check_cppflags -D_LARGEFILE_SOURCE 5278 5279add_host_cppflags -D_ISOC99_SOURCE 5280check_host_cflags -std=c99 5281check_host_cflags -Wall 5282check_host_cflags $host_cflags_speed 5283 5284check_64bit(){ 5285 arch32=$1 5286 arch64=$2 5287 expr=${3:-'sizeof(void *) > 4'} 5288 test_code cc "" "int test[2*($expr) - 1]" && 5289 subarch=$arch64 || subarch=$arch32 5290 enable $subarch 5291} 5292 5293case "$arch" in 5294 aarch64|alpha|ia64) 5295 enabled shared && enable_weak pic 5296 ;; 5297 mips) 5298 check_64bit mips mips64 '_MIPS_SIM > 1' 5299 enabled shared && enable_weak pic 5300 ;; 5301 parisc) 5302 check_64bit parisc parisc64 5303 enabled shared && enable_weak pic 5304 ;; 5305 ppc) 5306 check_64bit ppc ppc64 5307 enabled shared && enable_weak pic 5308 ;; 5309 s390) 5310 check_64bit s390 s390x 5311 enabled shared && enable_weak pic 5312 ;; 5313 sparc) 5314 check_64bit sparc sparc64 5315 enabled shared && enable_weak pic 5316 ;; 5317 x86) 5318 check_64bit x86_32 x86_64 5319 # Treat x32 as x64 for now. Note it also needs pic if shared 5320 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' && 5321 subarch=x86_64 && enable x86_64 && disable x86_32 5322 if enabled x86_64; then 5323 enabled shared && enable_weak pic 5324 objformat=elf64 5325 fi 5326 ;; 5327esac 5328 5329# OS specific 5330case $target_os in 5331 aix) 5332 SHFLAGS=-shared 5333 add_cppflags '-I\$(SRC_PATH)/compat/aix' 5334 enabled shared && add_ldflags -Wl,-brtl 5335 arflags='-Xany -r -c' 5336 striptype="" 5337 ;; 5338 android) 5339 disable symver 5340 enable section_data_rel_ro 5341 add_cflags -fPIE 5342 add_ldexeflags -fPIE -pie 5343 SLIB_INSTALL_NAME='$(SLIBNAME)' 5344 SLIB_INSTALL_LINKS= 5345 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)' 5346 ;; 5347 haiku) 5348 prefix_default="/boot/common" 5349 network_extralibs="-lnetwork" 5350 host_extralibs= 5351 ;; 5352 sunos) 5353 SHFLAGS='-shared -Wl,-h,$$(@F)' 5354 enabled x86 && append SHFLAGS -mimpure-text 5355 network_extralibs="-lsocket -lnsl" 5356 add_cppflags -D__EXTENSIONS__ 5357 # When using suncc to build, the Solaris linker will mark 5358 # an executable with each instruction set encountered by 5359 # the Solaris assembler. As our libraries contain their own 5360 # guards for processor-specific code, instead suppress 5361 # generation of the HWCAPS ELF section on Solaris x86 only. 5362 enabled_all suncc x86 && 5363 echo "hwcap_1 = OVERRIDE;" > mapfile && 5364 add_ldflags -Wl,-M,mapfile 5365 nm_default='nm -P -g' 5366 striptype="" 5367 version_script='-M' 5368 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)' 5369 ;; 5370 netbsd) 5371 disable symver 5372 oss_indev_extralibs="-lossaudio" 5373 oss_outdev_extralibs="-lossaudio" 5374 enabled gcc || check_ldflags -Wl,-zmuldefs 5375 ;; 5376 openbsd|bitrig) 5377 disable symver 5378 enable section_data_rel_ro 5379 striptype="" 5380 SHFLAGS='-shared' 5381 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)' 5382 SLIB_INSTALL_LINKS= 5383 oss_indev_extralibs="-lossaudio" 5384 oss_outdev_extralibs="-lossaudio" 5385 ;; 5386 dragonfly) 5387 disable symver 5388 ;; 5389 freebsd) 5390 ;; 5391 bsd/os) 5392 add_extralibs -lpoll -lgnugetopt 5393 strip="strip -d" 5394 ;; 5395 darwin) 5396 enabled ppc && add_asflags -force_cpusubtype_ALL 5397 install_name_dir_default='$(SHLIBDIR)' 5398 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)' 5399 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress 5400 strip="${strip} -x" 5401 add_ldflags -Wl,-dynamic,-search_paths_first 5402 check_cflags -Werror=partial-availability 5403 SLIBSUF=".dylib" 5404 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)' 5405 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)' 5406 enabled x86_64 && objformat="macho64" || objformat="macho32" 5407 enabled_any pic shared x86_64 || 5408 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; } 5409 check_headers dispatch/dispatch.h && 5410 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore' 5411 if test -n "$sysroot"; then 5412 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot 5413 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot 5414 fi 5415 version_script='-exported_symbols_list' 5416 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"' 5417 # Workaround for Xcode 11 -fstack-check bug 5418 if enabled clang; then 5419 clang_version=$($cc -dumpversion) 5420 test ${clang_version%%.*} -eq 11 && add_cflags -fno-stack-check 5421 fi 5422 ;; 5423 msys*) 5424 die "Native MSYS builds are discouraged, please use the MINGW environment." 5425 ;; 5426 mingw32*|mingw64*) 5427 target_os=mingw32 5428 LIBTARGET=i386 5429 if enabled x86_64; then 5430 LIBTARGET="i386:x86-64" 5431 elif enabled arm; then 5432 LIBTARGET="arm" 5433 elif enabled aarch64; then 5434 LIBTARGET="arm64" 5435 fi 5436 if enabled shared; then 5437 # Cannot build both shared and static libs when using dllimport. 5438 disable static 5439 fi 5440 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres 5441 enabled x86_32 && check_ldflags -Wl,--large-address-aware 5442 shlibdir_default="$bindir_default" 5443 SLIBPREF="" 5444 SLIBSUF=".dll" 5445 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' 5446 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' 5447 if test_cmd lib.exe -list; then 5448 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)' 5449 if enabled x86_64; then 5450 LIBTARGET=x64 5451 fi 5452 else 5453 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)' 5454 fi 5455 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' 5456 SLIB_INSTALL_LINKS= 5457 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' 5458 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' 5459 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)' 5460 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)' 5461 enabled x86_64 && objformat="win64" || objformat="win32" 5462 dlltool="${cross_prefix}dlltool" 5463 ranlib=: 5464 enable dos_paths 5465 check_ldflags -Wl,--nxcompat,--dynamicbase 5466 # Lets work around some stupidity in binutils. 5467 # ld will strip relocations from executables even though we need them 5468 # for dynamicbase (ASLR). Using -pie does retain the reloc section 5469 # however ld then forgets what the entry point should be (oops) so we 5470 # have to manually (re)set it. 5471 if enabled x86_32; then 5472 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup 5473 elif enabled x86_64; then 5474 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup 5475 check_ldflags -Wl,--high-entropy-va # binutils 2.25 5476 # Set image base >4GB for extra entropy with HEASLR 5477 add_ldexeflags -Wl,--image-base,0x140000000 5478 append SHFLAGS -Wl,--image-base,0x180000000 5479 fi 5480 ;; 5481 win32|win64) 5482 disable symver 5483 if enabled shared; then 5484 # Link to the import library instead of the normal static library 5485 # for shared libs. 5486 LD_LIB='%.lib' 5487 # Cannot build both shared and static libs with MSVC or icl. 5488 disable static 5489 fi 5490 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE 5491 shlibdir_default="$bindir_default" 5492 SLIBPREF="" 5493 SLIBSUF=".dll" 5494 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' 5495 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' 5496 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)' 5497 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' 5498 SLIB_INSTALL_LINKS= 5499 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' 5500 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' 5501 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)' 5502 enabled x86_64 && objformat="win64" || objformat="win32" 5503 ranlib=: 5504 enable dos_paths 5505 ;; 5506 cygwin*) 5507 target_os=cygwin 5508 shlibdir_default="$bindir_default" 5509 SLIBPREF="cyg" 5510 SLIBSUF=".dll" 5511 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' 5512 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' 5513 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' 5514 SLIB_INSTALL_LINKS= 5515 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a' 5516 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a' 5517 enabled x86_64 && objformat="win64" || objformat="win32" 5518 enable dos_paths 5519 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres 5520 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5521 ;; 5522 *-dos|freedos|opendos) 5523 network_extralibs="-lsocket" 5524 objformat="coff" 5525 enable dos_paths 5526 ;; 5527 linux) 5528 enable section_data_rel_ro 5529 enabled_any arm aarch64 && enable_weak linux_perf 5530 ;; 5531 irix*) 5532 target_os=irix 5533 ranlib="echo ignoring ranlib" 5534 ;; 5535 os/2*) 5536 strip="lxlite -CS" 5537 striptype="" 5538 objformat="aout" 5539 add_cppflags -D_GNU_SOURCE 5540 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap 5541 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf' 5542 LIBSUF="_s.a" 5543 SLIBPREF="" 5544 SLIBSUF=".dll" 5545 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' 5546 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)' 5547 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \ 5548 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \ 5549 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \ 5550 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \ 5551 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def' 5552 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \ 5553 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;' 5554 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' 5555 SLIB_INSTALL_LINKS= 5556 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib' 5557 enable dos_paths 5558 enable_weak os2threads 5559 ;; 5560 gnu/kfreebsd) 5561 add_cppflags -D_BSD_SOURCE 5562 ;; 5563 gnu) 5564 ;; 5565 qnx) 5566 add_cppflags -D_QNX_SOURCE 5567 network_extralibs="-lsocket" 5568 ;; 5569 symbian) 5570 SLIBSUF=".dll" 5571 enable dos_paths 5572 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default 5573 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS 5574 add_ldflags -Wl,--target1-abs,--no-undefined \ 5575 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \ 5576 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup 5577 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \ 5578 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \ 5579 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib 5580 ;; 5581 minix) 5582 ;; 5583 none) 5584 ;; 5585 *) 5586 die "Unknown OS '$target_os'." 5587 ;; 5588esac 5589 5590# test if creating links works 5591link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX) 5592link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX) 5593mkdir "$link_dest" 5594$ln_s "$link_dest" "$link_name" 5595touch "$link_dest/test_file" 5596if [ "$source_path" != "." ] && [ "$source_path" != "src" ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then 5597 # create link to source path 5598 [ -e src ] && rm src 5599 $ln_s "$source_path" src 5600 source_link=src 5601else 5602 # creating directory links doesn't work 5603 # fall back to using the full source path 5604 source_link="$source_path" 5605fi 5606# cleanup 5607rm -r "$link_dest" 5608rm -r "$link_name" 5609 5610# determine libc flavour 5611 5612probe_libc(){ 5613 pfx=$1 5614 pfx_no_=${pfx%_} 5615 # uclibc defines __GLIBC__, so it needs to be checked before glibc. 5616 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then 5617 eval ${pfx}libc_type=uclibc 5618 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5619 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then 5620 eval ${pfx}libc_type=glibc 5621 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5622 # MinGW headers can be installed on Cygwin, so check for newlib first. 5623 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then 5624 eval ${pfx}libc_type=newlib 5625 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600 5626 # MinGW64 is backwards compatible with MinGW32, so check for it first. 5627 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then 5628 eval ${pfx}libc_type=mingw64 5629 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then 5630 add_compat msvcrt/snprintf.o 5631 add_cflags "-include $source_path/compat/msvcrt/snprintf.h" 5632 fi 5633 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 5634 eval test \$${pfx_no_}cc_type = "gcc" && 5635 add_${pfx}cppflags -D__printf__=__gnu_printf__ 5636 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" && 5637 add_${pfx}cppflags -D_WIN32_WINNT=0x0600 5638 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5639 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" || 5640 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then 5641 eval ${pfx}libc_type=mingw32 5642 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \ 5643 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" || 5644 die "ERROR: MinGW32 runtime version must be >= 3.15." 5645 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 5646 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" && 5647 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700 5648 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" && 5649 add_${pfx}cppflags -D_WIN32_WINNT=0x0600 5650 eval test \$${pfx_no_}cc_type = "gcc" && 5651 add_${pfx}cppflags -D__printf__=__gnu_printf__ 5652 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5653 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then 5654 eval ${pfx}libc_type=msvcrt 5655 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then 5656 if [ "$pfx" = host_ ]; then 5657 add_host_cppflags -Dsnprintf=_snprintf 5658 else 5659 add_compat strtod.o strtod=avpriv_strtod 5660 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \ 5661 _snprintf=avpriv_snprintf \ 5662 vsnprintf=avpriv_vsnprintf 5663 fi 5664 fi 5665 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS 5666 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to 5667 # 0x601 by default unless something else is set by the user. 5668 # This can easily lead to us detecting functions only present 5669 # in such new versions and producing binaries requiring windows 7.0. 5670 # Therefore explicitly set the default to Vista unless the user has 5671 # set something else on the command line. 5672 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop 5673 # family. For these cases, configure is free to use any functions 5674 # found in the SDK headers by default. (Alternatively, we could force 5675 # _WIN32_WINNT to 0x0602 in that case.) 5676 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" || 5677 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; } 5678#ifdef WINAPI_FAMILY 5679#include <winapifamily.h> 5680#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 5681#error not desktop 5682#endif 5683#endif 5684EOF 5685 if [ "$pfx" = "" ]; then 5686 check_func strtoll || add_cflags -Dstrtoll=_strtoi64 5687 check_func strtoull || add_cflags -Dstrtoull=_strtoui64 5688 fi 5689 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then 5690 eval ${pfx}libc_type=klibc 5691 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then 5692 eval ${pfx}libc_type=bionic 5693 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then 5694 eval ${pfx}libc_type=solaris 5695 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 5696 elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then 5697 eval ${pfx}libc_type=djgpp 5698 add_cppflags -U__STRICT_ANSI__ 5699 add_cflags "-include $source_path/compat/djgpp/math.h" 5700 add_compat djgpp/math.o 5701 fi 5702 test_${pfx}cc <<EOF 5703#include <time.h> 5704void *v = localtime_r; 5705EOF 5706test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5707#include <time.h> 5708void *v = localtime_r; 5709EOF 5710 5711 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type} 5712} 5713 5714probe_libc 5715probe_libc host_ 5716 5717# hacks for compiler/libc/os combinations 5718 5719case $libc_type in 5720 bionic) 5721 add_compat strtod.o strtod=avpriv_strtod 5722 ;; 5723esac 5724 5725check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" || 5726 add_cppflags '-I\$(SRC_PATH)/compat/float' 5727 5728test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic 5729 5730set_default libdir 5731: ${shlibdir_default:="$libdir"} 5732: ${pkgconfigdir_default:="$libdir/pkgconfig"} 5733 5734set_default $PATHS_LIST 5735set_default nm 5736 5737disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer 5738 5739enable_weak_pic() { 5740 disabled pic && return 5741 enable pic 5742 add_cppflags -DPIC 5743 case "$target_os" in 5744 mingw*|cygwin*|win*) 5745 ;; 5746 *) 5747 add_cflags -fPIC 5748 add_asflags -fPIC 5749 ;; 5750 esac 5751} 5752 5753enabled pic && enable_weak_pic 5754 5755test_cc <<EOF || die "Symbol mangling check failed." 5756int ff_extern; 5757EOF 5758sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }') 5759extern_prefix=${sym%%ff_extern*} 5760 5761! disabled inline_asm && check_inline_asm inline_asm '"" ::' 5762 5763for restrict_keyword in restrict __restrict__ __restrict ""; do 5764 test_code cc "" "char * $restrict_keyword p" && break 5765done 5766 5767check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")' 5768 5769# The global variable ensures the bits appear unchanged in the object file. 5770test_cc <<EOF || die "endian test failed" 5771unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E'; 5772EOF 5773od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian 5774 5775check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }" 5776 5777if ! enabled ppc64 || enabled bigendian; then 5778 disable vsx 5779fi 5780 5781check_gas() { 5782 log "check_gas using '$as' as AS" 5783 # :vararg is used on aarch64, arm and ppc altivec 5784 check_as vararg " 5785.macro m n, y:vararg=0 5786\n: .int \y 5787.endm 5788m x" || return 1 5789 # .altmacro is only used in arm asm 5790 ! enabled arm || check_as gnu_as ".altmacro" 5791} 5792 5793if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then 5794 nogas=: 5795 enabled_any arm aarch64 && nogas=die 5796 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn 5797 as_noop=-v 5798 5799 case $as_type in 5800 arm*) gaspp_as_type=armasm; as_noop=-h ;; 5801 gcc) gaspp_as_type=gas ;; 5802 *) gaspp_as_type=$as_type ;; 5803 esac 5804 5805 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type" 5806 5807 test "${as#*gas-preprocessor.pl}" != "$as" || 5808 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop && 5809 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}" 5810 5811 if ! check_gas ; then 5812 as=${gas:=$as} 5813 check_gas || \ 5814 $nogas "GNU assembler not found, install/update gas-preprocessor" 5815 fi 5816 5817 check_as as_func ".func test 5818 .endfunc" 5819fi 5820 5821check_inline_asm inline_asm_labels '"1:\n"' 5822 5823check_inline_asm inline_asm_nonlocal_labels '"Label:\n"' 5824 5825if enabled aarch64; then 5826 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]' 5827 # internal assembler in clang 3.3 does not support this instruction 5828 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1' 5829 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2' 5830 5831 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM 5832 5833elif enabled alpha; then 5834 5835 check_cflags -mieee 5836 5837elif enabled arm; then 5838 5839 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT" 5840 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb 5841float func(float a, float b){ return a+b; } 5842EOF 5843 enabled thumb && check_cflags -mthumb || check_cflags -marm 5844 5845 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then 5846 : 5847 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then 5848 : 5849 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then 5850 case "${cross_prefix:-$cc}" in 5851 *hardfloat*) enable vfp_args; fpabi=vfp ;; 5852 *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;; 5853__asm__ (".eabi_attribute 28, 1"); 5854int main(void) { return 0; } 5855EOF 5856 esac 5857 warn "Compiler does not indicate floating-point ABI, guessing $fpabi." 5858 fi 5859 5860 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0' 5861 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0' 5862 enabled armv6t2 && check_insn armv6t2 'movt r0, #0' 5863 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0' 5864 enabled vfp && check_insn vfp 'fadds s0, s0, s0' 5865 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0' 5866 enabled setend && check_insn setend 'setend be' 5867 5868 [ $target_os = linux ] || [ $target_os = android ] || 5869 map 'enabled_any ${v}_external ${v}_inline || disable $v' \ 5870 $ARCH_EXT_LIST_ARM 5871 5872 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)' 5873 5874 check_as as_arch_directive ".arch armv7-a" 5875 check_as as_dn_directive "ra .dn d0.i16" 5876 check_as as_fpu_directive ".fpu neon" 5877 5878 # llvm's integrated assembler supports .object_arch from llvm 3.5 5879 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] && 5880 check_as as_object_arch ".object_arch armv4" 5881 5882 # MS armasm fails to assemble our PIC constructs 5883 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic 5884 5885elif enabled mips; then 5886 5887 # Check toolchain ISA level 5888 if enabled mips64; then 5889 enabled mips64r6 && check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' && 5890 disable mips64r2 5891 5892 enabled mips64r2 && check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' 5893 5894 disable mips32r6 && disable mips32r5 && disable mips32r2 5895 else 5896 enabled mips32r6 && check_inline_asm mips32r6 '"aui $0, $0, 0"' && 5897 disable mips32r5 && disable mips32r2 5898 5899 enabled mips32r5 && check_inline_asm mips32r5 '"eretnc"' 5900 enabled mips32r2 && check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' 5901 5902 disable mips64r6 && disable mips64r5 && disable mips64r2 5903 fi 5904 5905 enabled mipsfpu && check_inline_asm mipsfpu '"cvt.d.l $f0, $f2"' 5906 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64' 5907 5908 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp' 5909 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2' 5910 5911 # MSA and MSA2 can be detected at runtime so we supply extra flags here 5912 enabled mipsfpu && enabled msa && check_inline_asm msa '"addvi.b $w0, $w1, 1"' '-mmsa' && append MSAFLAGS '-mmsa' 5913 enabled msa && enabled msa2 && check_inline_asm msa2 '"nxbits.any.b $w0, $w0"' '-mmsa2' && append MSAFLAGS '-mmsa2' 5914 5915 # loongson2 have no switch cflag so we can only probe toolchain ability 5916 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"' && disable loongson3 5917 5918 # loongson3 is paired with MMI 5919 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"' '-mloongson-ext' && append MMIFLAGS '-mloongson-ext' 5920 5921 # MMI can be detected at runtime too 5922 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"' '-mloongson-mmi' && append MMIFLAGS '-mloongson-mmi' 5923 5924 if enabled bigendian && enabled msa; then 5925 disable msa 5926 fi 5927 5928elif enabled parisc; then 5929 5930 if enabled gcc; then 5931 case $($cc -dumpversion) in 5932 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;; 5933 esac 5934 fi 5935 5936elif enabled ppc; then 5937 5938 enable local_aligned 5939 5940 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)' 5941 check_inline_asm ibm_asm '"add 0, 0, 0"' 5942 check_inline_asm ppc4xx '"maclhw r10, r11, r12"' 5943 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)' 5944 5945 if enabled altivec; then 5946 check_cflags -maltivec -mabi=altivec 5947 5948 # check if our compiler supports Motorola AltiVec C API 5949 check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 }; 5950 vector signed int v2 = (vector signed int) { 1 }; 5951 v1 = vec_add(v1, v2);" 5952 5953 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag" 5954 fi 5955 5956 if enabled vsx; then 5957 check_cflags -mvsx && 5958 check_cc vsx altivec.h "int v[4] = { 0 }; 5959 vector signed int v1 = vec_vsx_ld(0, v);" 5960 fi 5961 5962 if enabled power8; then 5963 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)" 5964 fi 5965 5966elif enabled x86; then 5967 5968 check_builtin rdtsc intrin.h "__rdtsc()" 5969 check_builtin mm_empty mmintrin.h "_mm_empty()" 5970 5971 enable local_aligned 5972 5973 # check whether EBP is available on x86 5974 # As 'i' is stored on the stack, this program will crash 5975 # if the base pointer is used to access it because the 5976 # base pointer is cleared in the inline assembly code. 5977 check_exec_crash <<EOF && enable ebp_available 5978volatile int i=0; 5979__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp"); 5980return i; 5981EOF 5982 5983 # check whether EBX is available on x86 5984 check_inline_asm ebx_available '""::"b"(0)' && 5985 check_inline_asm ebx_available '"":::"%ebx"' 5986 5987 # check whether xmm clobbers are supported 5988 check_inline_asm xmm_clobbers '"":::"%xmm0"' 5989 5990 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' || 5991 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"' 5992 5993 # check whether binutils is new enough to compile SSSE3/MMXEXT 5994 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"' 5995 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"' 5996 5997 probe_x86asm(){ 5998 x86asmexe_probe=$1 5999 if test_cmd $x86asmexe_probe -v; then 6000 x86asmexe=$x86asmexe_probe 6001 x86asm_type=nasm 6002 x86asm_debug="-g -F dwarf" 6003 X86ASMDEP= 6004 X86ASM_DEPFLAGS='-MD $(@:.o=.d)' 6005 elif test_cmd $x86asmexe_probe --version; then 6006 x86asmexe=$x86asmexe_probe 6007 x86asm_type=yasm 6008 x86asm_debug="-g dwarf2" 6009 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)' 6010 X86ASM_DEPFLAGS= 6011 fi 6012 check_x86asm x86asm "movbe ecx, [5]" 6013 } 6014 6015 if ! disabled_any asm mmx x86asm; then 6016 disable x86asm 6017 for program in $x86asmexe nasm yasm; do 6018 probe_x86asm $program && break 6019 done 6020 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build." 6021 X86ASMFLAGS="-f $objformat" 6022 enabled pic && append X86ASMFLAGS "-DPIC" 6023 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX" 6024 case "$objformat" in 6025 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;; 6026 esac 6027 6028 enabled avx512 && check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0" 6029 enabled avx2 && check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0" 6030 enabled xop && check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3" 6031 enabled fma4 && check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3" 6032 check_x86asm cpunop "CPU amdnop" 6033 fi 6034 6035 case "$cpu" in 6036 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode) 6037 disable fast_clz 6038 ;; 6039 esac 6040 6041fi 6042 6043check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)" 6044 6045check_ldflags -Wl,--as-needed 6046check_ldflags -Wl,-z,noexecstack 6047 6048if ! disabled network; then 6049 check_func getaddrinfo $network_extralibs 6050 check_func inet_aton $network_extralibs 6051 6052 check_type netdb.h "struct addrinfo" 6053 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE 6054 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE 6055 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE 6056 check_type poll.h "struct pollfd" 6057 check_type netinet/sctp.h "struct sctp_event_subscribe" 6058 check_struct "sys/socket.h" "struct msghdr" msg_flags 6059 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len 6060 check_type netinet/in.h "struct sockaddr_in6" 6061 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage" 6062 check_type "sys/types.h sys/socket.h" socklen_t 6063 6064 # Prefer arpa/inet.h over winsock2 6065 if check_headers arpa/inet.h ; then 6066 check_func closesocket 6067 elif check_headers winsock2.h ; then 6068 check_func_headers winsock2.h closesocket -lws2 && 6069 network_extralibs="-lws2" || 6070 { check_func_headers winsock2.h closesocket -lws2_32 && 6071 network_extralibs="-lws2_32"; } || disable winsock2_h network 6072 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs 6073 6074 check_type ws2tcpip.h socklen_t 6075 check_type ws2tcpip.h "struct addrinfo" 6076 check_type ws2tcpip.h "struct group_source_req" 6077 check_type ws2tcpip.h "struct ip_mreq_source" 6078 check_type ws2tcpip.h "struct ipv6_mreq" 6079 check_type winsock2.h "struct pollfd" 6080 check_struct winsock2.h "struct sockaddr" sa_len 6081 check_type ws2tcpip.h "struct sockaddr_in6" 6082 check_type ws2tcpip.h "struct sockaddr_storage" 6083 else 6084 disable network 6085 fi 6086fi 6087 6088check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)" 6089check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()" 6090check_builtin MemoryBarrier windows.h "MemoryBarrier()" 6091check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)" 6092check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)" 6093check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)" 6094check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR" 6095 6096case "$custom_allocator" in 6097 jemalloc) 6098 # jemalloc by default does not use a prefix 6099 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc 6100 ;; 6101 tcmalloc) 6102 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc 6103 malloc_prefix=tc_ 6104 ;; 6105esac 6106 6107check_func_headers malloc.h _aligned_malloc && enable aligned_malloc 6108check_func ${malloc_prefix}memalign && enable memalign 6109check_func ${malloc_prefix}posix_memalign && enable posix_memalign 6110 6111check_func access 6112check_func_headers stdlib.h arc4random 6113check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt 6114check_func fcntl 6115check_func fork 6116check_func gethrtime 6117check_func getopt 6118check_func getrusage 6119check_func gettimeofday 6120check_func isatty 6121check_func mkstemp 6122check_func mmap 6123check_func mprotect 6124# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that 6125check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt 6126check_func sched_getaffinity 6127check_func setrlimit 6128check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE 6129check_func strerror_r 6130check_func sysconf 6131check_func sysctl 6132check_func usleep 6133 6134check_func_headers conio.h kbhit 6135check_func_headers io.h setmode 6136check_func_headers lzo/lzo1x.h lzo1x_999_compress 6137check_func_headers mach/mach_time.h mach_absolute_time 6138check_func_headers stdlib.h getenv 6139check_func_headers sys/stat.h lstat 6140 6141check_func_headers windows.h GetModuleHandle 6142check_func_headers windows.h GetProcessAffinityMask 6143check_func_headers windows.h GetProcessTimes 6144check_func_headers windows.h GetStdHandle 6145check_func_headers windows.h GetSystemTimeAsFileTime 6146check_func_headers windows.h LoadLibrary 6147check_func_headers windows.h MapViewOfFile 6148check_func_headers windows.h PeekNamedPipe 6149check_func_headers windows.h SetConsoleTextAttribute 6150check_func_headers windows.h SetConsoleCtrlHandler 6151check_func_headers windows.h SetDllDirectory 6152check_func_headers windows.h Sleep 6153check_func_headers windows.h VirtualAlloc 6154check_func_headers glob.h glob 6155enabled xlib && 6156 check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext 6157 6158check_headers direct.h 6159check_headers dirent.h 6160check_headers dxgidebug.h 6161check_headers dxva.h 6162check_headers dxva2api.h -D_WIN32_WINNT=0x0600 6163check_headers io.h 6164enabled libdrm && 6165 check_headers linux/dma-buf.h 6166 6167check_headers linux/perf_event.h 6168check_headers libcrystalhd/libcrystalhd_if.h 6169check_headers malloc.h 6170check_headers mftransform.h 6171check_headers net/udplite.h 6172check_headers poll.h 6173check_headers sys/param.h 6174check_headers sys/resource.h 6175check_headers sys/select.h 6176check_headers sys/time.h 6177check_headers sys/un.h 6178check_headers termios.h 6179check_headers unistd.h 6180check_headers valgrind/valgrind.h 6181check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox 6182check_headers windows.h 6183check_headers X11/extensions/XvMClib.h 6184check_headers asm/types.h 6185 6186# it seems there are versions of clang in some distros that try to use the 6187# gcc headers, which explodes for stdatomic 6188# so we also check that atomics actually work here 6189check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar" 6190 6191check_lib advapi32 "windows.h" RegCloseKey -ladvapi32 6192check_lib bcrypt "windows.h bcrypt.h" BCryptGenRandom -lbcrypt && 6193 check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM" 6194check_lib ole32 "windows.h" CoTaskMemFree -lole32 6195check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32 6196check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi 6197 6198check_lib android android/native_window.h ANativeWindow_acquire -landroid 6199check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk 6200check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk 6201 6202enabled appkit && check_apple_framework AppKit 6203enabled audiotoolbox && check_apple_framework AudioToolbox 6204enabled avfoundation && check_apple_framework AVFoundation 6205enabled coreimage && check_apple_framework CoreImage 6206enabled videotoolbox && check_apple_framework VideoToolbox 6207 6208check_apple_framework CoreFoundation 6209check_apple_framework CoreMedia 6210check_apple_framework CoreVideo 6211check_apple_framework CoreAudio 6212 6213enabled avfoundation && { 6214 disable coregraphics applicationservices 6215 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" || 6216 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; } 6217 6218enabled videotoolbox && { 6219 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices" 6220 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia" 6221 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVCWithAlpha "-framework CoreMedia" 6222 check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange "-framework CoreVideo" 6223 check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ "-framework CoreVideo" 6224 check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_ITU_R_2100_HLG "-framework CoreVideo" 6225 check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_Linear "-framework CoreVideo" 6226} 6227 6228check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss 6229 6230check_type "windows.h dxva.h" "DXVA_PicParams_AV1" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0 6231check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0 6232check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0 6233check_type "windows.h d3d11.h" "ID3D11VideoDecoder" 6234check_type "windows.h d3d11.h" "ID3D11VideoContext" 6235check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602 6236check_func_headers mfapi.h MFCreateAlignedMemoryBuffer -lmfplat 6237 6238check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC" 6239check_type "vdpau/vdpau.h" "VdpPictureInfoVP9" 6240 6241if [ -z "$nvccflags" ]; then 6242 nvccflags=$nvccflags_default 6243fi 6244 6245if enabled x86_64 || enabled ppc64 || enabled aarch64; then 6246 nvccflags="$nvccflags -m64" 6247else 6248 nvccflags="$nvccflags -m32" 6249fi 6250 6251if enabled cuda_nvcc; then 6252 nvccflags="$nvccflags -ptx" 6253else 6254 nvccflags="$nvccflags -S -nocudalib -nocudainc --cuda-device-only -Wno-c++11-narrowing -include ${source_link}/compat/cuda/cuda_runtime.h" 6255 check_nvcc cuda_llvm 6256fi 6257 6258if ! disabled ffnvcodec; then 6259 ffnv_hdr_list="ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" 6260 check_pkg_config ffnvcodec "ffnvcodec >= 9.1.23.1" "$ffnv_hdr_list" "" || \ 6261 check_pkg_config ffnvcodec "ffnvcodec >= 9.0.18.3 ffnvcodec < 9.1" "$ffnv_hdr_list" "" || \ 6262 check_pkg_config ffnvcodec "ffnvcodec >= 8.2.15.10 ffnvcodec < 8.3" "$ffnv_hdr_list" "" || \ 6263 check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.11 ffnvcodec < 8.2" "$ffnv_hdr_list" "" 6264fi 6265 6266check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" 6267 6268if ! disabled w32threads && ! enabled pthreads; then 6269 check_func_headers "windows.h process.h" _beginthreadex && 6270 check_type "windows.h" CONDITION_VARIABLE && 6271 check_type "windows.h" INIT_ONCE && 6272 enable w32threads || disable w32threads 6273 if ! enabled w32threads && enabled winrt; then 6274 check_func_headers "windows.h" CreateThread && 6275 enable w32threads || disable w32threads 6276 fi 6277fi 6278 6279# check for some common methods of building with pthread support 6280# do this before the optional library checks as some of them require pthreads 6281if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then 6282 if check_lib pthreads pthread.h pthread_join -pthread && 6283 check_lib pthreads pthread.h pthread_create -pthread; then 6284 add_cflags -pthread 6285 elif check_lib pthreads pthread.h pthread_join -pthreads && 6286 check_lib pthreads pthread.h pthread_create -pthreads; then 6287 add_cflags -pthreads 6288 elif check_lib pthreads pthread.h pthread_join -ldl -pthread && 6289 check_lib pthreads pthread.h pthread_create -ldl -pthread; then 6290 add_cflags -ldl -pthread 6291 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 && 6292 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then 6293 : 6294 elif check_lib pthreads pthread.h pthread_join -lpthread && 6295 check_lib pthreads pthread.h pthread_create -lpthread; then 6296 : 6297 elif check_func pthread_join && check_func pthread_create; then 6298 enable pthreads 6299 fi 6300 check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" 6301 6302 if enabled pthreads; then 6303 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs 6304 check_func pthread_cancel $pthreads_extralibs 6305 fi 6306fi 6307 6308enabled zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion || 6309 check_lib zlib zlib.h zlibVersion -lz; } 6310enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2 6311enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma 6312 6313# On some systems dynamic loading requires no extra linker flags 6314check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl 6315 6316check_lib libm math.h sin -lm 6317 6318atan2f_args=2 6319copysign_args=2 6320hypot_args=2 6321ldexpf_args=2 6322powf_args=2 6323 6324for func in $MATH_FUNCS; do 6325 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs 6326done 6327 6328for func in $COMPLEX_FUNCS; do 6329 eval check_complexfunc $func \${${func}_args:-1} 6330done 6331 6332# these are off by default, so fail if requested and not available 6333enabled avisynth && require_headers "avisynth/avisynth_c.h" 6334enabled cuda_nvcc && { check_nvcc cuda_nvcc || die "ERROR: failed checking for nvcc."; } 6335enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint 6336enabled decklink && { require_headers DeckLinkAPI.h && 6337 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a0a0000" || die "ERROR: Decklink API version must be >= 10.10"; } } 6338enabled frei0r && require_headers "frei0r.h dlfcn.h" 6339enabled gmp && require gmp gmp.h mpz_export -lgmp 6340enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init 6341enabled jni && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; } 6342enabled ladspa && require_headers "ladspa.h dlfcn.h" 6343enabled libaom && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version 6344enabled libaribb24 && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new || 6345 { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } || 6346 die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; } 6347enabled lv2 && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new 6348enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883 6349enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init 6350enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open 6351enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open 6352enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 && 6353 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 || 6354 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; } 6355enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas 6356enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2 6357enabled libdav1d && require_pkg_config libdav1d "dav1d >= 0.5.0" "dav1d/dav1d.h" dav1d_version 6358enabled libdavs2 && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open 6359enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new 6360enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion 6361enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen || 6362 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac && 6363 warn "using libfdk without pkg-config"; } } 6364flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite" 6365enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs 6366enabled fontconfig && enable libfontconfig 6367enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit 6368enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType 6369enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info 6370enabled libglslang && require_cpp libglslang glslang/SPIRV/GlslangToSpv.h "glslang::TIntermediate*" -lglslang -lMachineIndependent -lOSDependent -lHLSL -lOGLCompiler -lGenericCodeGen -lSPVRemapper -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lpthread -lstdc++ 6371enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu || 6372 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; } 6373enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do 6374 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break; 6375 done || die "ERROR: libgsm not found"; } 6376enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs 6377enabled libklvanc && require libklvanc libklvanc/vanc.h klvanc_context_create -lklvanc 6378enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get 6379enabled liblensfun && require_pkg_config liblensfun lensfun lensfun.h lf_db_new 6380# While it may appear that require is being used as a pkg-config 6381# fallback for libmfx, it is actually being used to detect a different 6382# installation route altogether. If libmfx is installed via the Intel 6383# Media SDK or Intel Media Server Studio, these don't come with 6384# pkg-config support. Instead, users should make sure that the build 6385# can find the libraries and headers through other means. 6386enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit || 6387 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } } 6388if enabled libmfx; then 6389 check_cc MFX_CODEC_VP9 "mfx/mfxvp9.h mfx/mfxstructures.h" "MFX_CODEC_VP9" 6390fi 6391 6392enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load 6393enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs 6394enabled libmysofa && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine || 6395 require libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine -lmysofa $zlib_extralibs; } 6396enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei || 6397 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei || 6398 die "ERROR: libnpp not found"; } 6399enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb 6400enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb 6401enabled libopencv && { check_headers opencv2/core/core_c.h && 6402 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader || 6403 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } || 6404 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; } 6405enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion 6406enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version || 6407 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } } 6408enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++" 6409enabled libopenvino && require libopenvino c_api/ie_c_api.h ie_c_api_version -linference_engine_c_api 6410enabled libopus && { 6411 enabled libopus_decoder && { 6412 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create 6413 } 6414 enabled libopus_encoder && { 6415 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create 6416 } 6417} 6418enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new 6419enabled librabbitmq && require_pkg_config librabbitmq "librabbitmq >= 0.7.1" amqp.h amqp_new_connection 6420enabled librav1e && require_pkg_config librav1e "rav1e >= 0.4.0" rav1e.h rav1e_context_new 6421enabled librist && require_pkg_config librist "librist >= 0.2" librist/librist.h rist_receiver_create 6422enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo 6423enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket 6424enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++" 6425enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer 6426enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init || 6427 require libsmbclient libsmbclient.h smbc_init -lsmbclient; } 6428enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++ 6429enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr 6430enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init 6431enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init 6432enabled libsrt && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket 6433enabled libsvtav1 && require_pkg_config libsvtav1 "SvtAv1Enc >= 0.8.4" EbSvtAv1Enc.h svt_av1_enc_init_handle 6434enabled libtensorflow && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow 6435enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate 6436enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg 6437enabled libtls && require_pkg_config libtls libtls tls.h tls_configure 6438enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame && 6439 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame || 6440 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; } 6441enabled libuavs3d && require_pkg_config libuavs3d "uavs3d >= 1.1.41" uavs3d.h uavs3d_decode 6442enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl 6443enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit 6444enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 1.5.2" libvmaf.h compute_vmaf 6445enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc 6446enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init && 6447 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init 6448 6449enabled libvpx && { 6450 enabled libvpx_vp8_decoder && { 6451 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx || 6452 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp8_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs" 6453 } 6454 enabled libvpx_vp8_encoder && { 6455 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx || 6456 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp8_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs" 6457 } 6458 enabled libvpx_vp9_decoder && { 6459 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx || 6460 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs" 6461 } 6462 enabled libvpx_vp9_encoder && { 6463 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx || 6464 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs" 6465 } 6466 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then 6467 die "libvpx enabled but no supported decoders found" 6468 fi 6469} 6470 6471enabled libwebp && { 6472 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion 6473 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; } 6474enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode || 6475 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" && 6476 warn "using libx264 without pkg-config"; } } && 6477 require_cpp_condition libx264 x264.h "X264_BUILD >= 118" && 6478 check_cpp_condition libx262 x264.h "X264_MPEG2" 6479enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get && 6480 require_cpp_condition libx265 x265.h "X265_BUILD >= 70" 6481enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs" 6482enabled libxavs2 && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get 6483enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore 6484enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version 6485enabled libzmq && require_pkg_config libzmq "libzmq >= 4.2.1" zmq.h zmq_ctx_new 6486enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new && 6487 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" || 6488 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; } 6489enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion 6490enabled mbedtls && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init || 6491 check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init || 6492 check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto || 6493 die "ERROR: mbedTLS not found"; } 6494enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; } 6495enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host || 6496 { ! enabled cross_compile && 6497 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline && 6498 add_ldflags -L/opt/vc/lib/ && 6499 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } || 6500 die "ERROR: mmal not found" && 6501 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; } 6502enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do 6503 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } || 6504 die "ERROR: openal not found"; } && 6505 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" || 6506 die "ERROR: openal must be installed and version must be 1.1 or compatible"; } 6507enabled opencl && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel || 6508 check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL || 6509 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL || 6510 die "ERROR: opencl not found"; } && 6511 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" || 6512 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" || 6513 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; } 6514enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" || 6515 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" || 6516 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" || 6517 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" || 6518 die "ERROR: opengl not found." 6519 } 6520enabled omx_rpi && { test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame || 6521 { ! enabled cross_compile && 6522 add_cflags -isystem/opt/vc/include/IL && 6523 test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame; } || 6524 die "ERROR: OpenMAX IL headers from raspberrypi/firmware not found"; } && 6525 enable omx 6526enabled omx && require_headers OMX_Core.h 6527enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl || 6528 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init || 6529 check_lib openssl openssl/ssl.h OPENSSL_init_ssl -lssl -lcrypto || 6530 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto || 6531 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 || 6532 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 || 6533 die "ERROR: openssl not found"; } 6534enabled pocketsphinx && require_pkg_config pocketsphinx pocketsphinx pocketsphinx/pocketsphinx.h ps_init 6535enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create && 6536 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create && 6537 { enabled libdrm || 6538 die "ERROR: rkmpp requires --enable-libdrm"; } 6539 } 6540enabled vapoursynth && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init 6541 6542 6543if enabled gcrypt; then 6544 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config" 6545 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then 6546 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags) 6547 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs) 6548 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs || 6549 die "ERROR: gcrypt not found" 6550 add_cflags $gcrypt_cflags 6551 else 6552 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt 6553 fi 6554fi 6555 6556if enabled sdl2; then 6557 SDL2_CONFIG="${cross_prefix}sdl2-config" 6558 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent 6559 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then 6560 sdl2_cflags=$("${SDL2_CONFIG}" --cflags) 6561 sdl2_extralibs=$("${SDL2_CONFIG}" --libs) 6562 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags && 6563 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags && 6564 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags && 6565 enable sdl2 6566 fi 6567 if test $target_os = "mingw32"; then 6568 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs) 6569 fi 6570fi 6571 6572if enabled decklink; then 6573 case $target_os in 6574 mingw32*|mingw64*|win32|win64) 6575 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32" 6576 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32" 6577 ;; 6578 esac 6579fi 6580 6581enabled securetransport && 6582 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" && 6583 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" || 6584 disable securetransport 6585 6586enabled securetransport && 6587 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security" 6588 6589enabled schannel && 6590 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 && 6591 test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && 6592 schannel_extralibs="-lsecur32" || 6593 disable schannel 6594 6595makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo 6596enabled makeinfo \ 6597 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \ 6598 && enable makeinfo_html || disable makeinfo_html 6599disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html 6600perl -v > /dev/null 2>&1 && enable perl || disable perl 6601pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man 6602rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout 6603 6604# check V4L2 codecs available in the API 6605if enabled v4l2_m2m; then 6606 check_headers linux/fb.h 6607 check_headers linux/videodev2.h 6608 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete 6609 check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" 6610 check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" 6611 check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" 6612 check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" 6613 check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" 6614 check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" 6615 check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" 6616 check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" 6617 check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" 6618 check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" 6619fi 6620 6621check_headers sys/videoio.h 6622test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete 6623 6624check_lib user32 "windows.h winuser.h" GetShellWindow -luser32 6625check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32 6626# check that WM_CAP_DRIVER_CONNECT is defined to the proper value 6627# w32api 3.12 had it defined wrong 6628check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" 6629 6630check_type "dshow.h" IBaseFilter 6631 6632# check for ioctl_meteor.h, ioctl_bt848.h and alternatives 6633check_headers "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" || 6634 check_headers "machine/ioctl_meteor.h machine/ioctl_bt848.h" || 6635 check_headers "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" || 6636 check_headers "dev/ic/bt8xx.h" 6637 6638if check_struct sys/soundcard.h audio_buf_info bytes; then 6639 enable_sanitized sys/soundcard.h 6640else 6641 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h 6642 #include <sys/soundcard.h> 6643 audio_buf_info abc; 6644EOF 6645fi 6646 6647enabled alsa && { check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp || 6648 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound; } 6649 6650enabled libjack && 6651 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range 6652 6653enabled sndio && check_lib sndio sndio.h sio_open -lsndio 6654 6655if enabled libcdio; then 6656 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open || 6657 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open || 6658 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || 6659 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || 6660 die "ERROR: No usable libcdio/cdparanoia found" 6661fi 6662 6663enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect || 6664 disable libxcb_shm libxcb_shape libxcb_xfixes 6665 6666if enabled libxcb; then 6667 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach 6668 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles 6669 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image 6670fi 6671 6672check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs" 6673 6674# d3d11va requires linking directly to dxgi and d3d11 if not building for 6675# the desktop api partition 6676test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11" 6677#ifdef WINAPI_FAMILY 6678#include <winapifamily.h> 6679#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 6680#error desktop, not uwp 6681#else 6682// WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP 6683#endif 6684#else 6685#error no family set 6686#endif 6687EOF 6688 6689enabled libdrm && 6690 check_pkg_config libdrm_getfb2 libdrm "xf86drmMode.h" drmModeGetFB2 6691 6692enabled vaapi && 6693 check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize 6694 6695if enabled vaapi; then 6696 check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM 6697 6698 if enabled xlib; then 6699 check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay 6700 fi 6701 6702 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" 6703 6704 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC" 6705 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth 6706 check_struct "va/va.h" "VADecPictureParameterBufferAV1" bit_depth_idx 6707 check_type "va/va.h va/va_vpp.h" "VAProcFilterParameterBufferHDRToneMapping" 6708 check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags 6709 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC" 6710 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG" 6711 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8" 6712 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9" 6713fi 6714 6715if enabled_all opencl libdrm ; then 6716 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" && 6717 enable opencl_drm_beignet 6718 check_func_headers "CL/cl_ext.h" clImportMemoryARM && 6719 enable opencl_drm_arm 6720fi 6721 6722if enabled_all opencl vaapi ; then 6723 if enabled opencl_drm_beignet ; then 6724 enable opencl_vaapi_beignet 6725 else 6726 check_type "CL/cl.h CL/cl_va_api_media_sharing_intel.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" && 6727 enable opencl_vaapi_intel_media 6728 fi 6729fi 6730 6731if enabled_all opencl dxva2 ; then 6732 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr && 6733 enable opencl_dxva2 6734fi 6735 6736if enabled_all opencl d3d11va ; then 6737 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn && 6738 enable opencl_d3d11 6739fi 6740 6741enabled vdpau && 6742 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" 6743 6744enabled vdpau && 6745 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11 6746 6747enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd 6748 6749enabled vulkan && 6750 require_pkg_config vulkan "vulkan >= 1.1.97" "vulkan/vulkan.h" vkCreateInstance 6751 6752if enabled x86; then 6753 case $target_os in 6754 mingw32*|mingw64*|win32|win64|linux|cygwin*) 6755 ;; 6756 *) 6757 disable ffnvcodec cuvid nvdec nvenc 6758 ;; 6759 esac 6760elif enabled_any aarch64 ppc64 && ! enabled bigendian; then 6761 case $target_os in 6762 linux) 6763 ;; 6764 *) 6765 disable ffnvcodec cuvid nvdec nvenc 6766 ;; 6767 esac 6768else 6769 disable ffnvcodec cuvid nvdec nvenc 6770fi 6771 6772enabled ffnvcodec && enable cuda 6773 6774enabled nvenc && 6775 test_cc -I$source_path <<EOF || disable nvenc 6776#include <ffnvcodec/nvEncodeAPI.h> 6777NV_ENCODE_API_FUNCTION_LIST flist; 6778void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; } 6779int main(void) { return 0; } 6780EOF 6781 6782if enabled_any nvdec cuvid; then 6783 check_type "ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h" "CUVIDAV1PICPARAMS" 6784fi 6785 6786enabled amf && 6787 check_cpp_condition amf "AMF/core/Version.h" \ 6788 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400090000" 6789 6790# Funny iconv installations are not unusual, so check it after all flags have been set 6791if enabled libc_iconv; then 6792 check_func_headers iconv.h iconv 6793elif enabled iconv; then 6794 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv 6795fi 6796 6797enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel" 6798 6799# add some useful compiler flags if supported 6800check_cflags -Wdeclaration-after-statement 6801check_cflags -Wall 6802check_cflags -Wdisabled-optimization 6803check_cflags -Wpointer-arith 6804check_cflags -Wredundant-decls 6805check_cflags -Wwrite-strings 6806check_cflags -Wtype-limits 6807check_cflags -Wundef 6808check_cflags -Wmissing-prototypes 6809check_cflags -Wno-pointer-to-int-cast 6810check_cflags -Wstrict-prototypes 6811check_cflags -Wempty-body 6812 6813if enabled extra_warnings; then 6814 check_cflags -Wcast-qual 6815 check_cflags -Wextra 6816 check_cflags -Wpedantic 6817fi 6818 6819check_disable_warning(){ 6820 warning_flag=-W${1#-Wno-} 6821 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1 6822} 6823 6824test_cflags -Werror=unused-command-line-argument && 6825 append unknown_warning_flags "-Werror=unused-command-line-argument" 6826test_cflags -Werror=unknown-warning-option && 6827 append unknown_warning_flags "-Werror=unknown-warning-option" 6828 6829check_disable_warning -Wno-parentheses 6830check_disable_warning -Wno-switch 6831check_disable_warning -Wno-format-zero-length 6832check_disable_warning -Wno-pointer-sign 6833check_disable_warning -Wno-unused-const-variable 6834check_disable_warning -Wno-bool-operation 6835check_disable_warning -Wno-char-subscripts 6836 6837check_disable_warning_headers(){ 6838 warning_flag=-W${1#-Wno-} 6839 test_cflags $warning_flag && add_cflags_headers $1 6840} 6841 6842check_disable_warning_headers -Wno-deprecated-declarations 6843check_disable_warning_headers -Wno-unused-variable 6844 6845test_cc <<EOF && enable blocks_extension 6846void (^block)(void); 6847EOF 6848 6849# add some linker flags 6850check_ldflags -Wl,--warn-common 6851check_ldflags -Wl,-rpath-link=:libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample 6852enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir 6853test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic 6854 6855# add some strip flags 6856check_stripflags -x 6857 6858enabled neon_clobber_test && 6859 check_ldflags -Wl,--wrap,avcodec_open2 \ 6860 -Wl,--wrap,avcodec_decode_audio4 \ 6861 -Wl,--wrap,avcodec_decode_video2 \ 6862 -Wl,--wrap,avcodec_decode_subtitle2 \ 6863 -Wl,--wrap,avcodec_encode_audio2 \ 6864 -Wl,--wrap,avcodec_encode_video2 \ 6865 -Wl,--wrap,avcodec_encode_subtitle \ 6866 -Wl,--wrap,avcodec_send_packet \ 6867 -Wl,--wrap,avcodec_receive_packet \ 6868 -Wl,--wrap,avcodec_send_frame \ 6869 -Wl,--wrap,avcodec_receive_frame \ 6870 -Wl,--wrap,swr_convert \ 6871 -Wl,--wrap,avresample_convert || 6872 disable neon_clobber_test 6873 6874enabled xmm_clobber_test && 6875 check_ldflags -Wl,--wrap,avcodec_open2 \ 6876 -Wl,--wrap,avcodec_decode_audio4 \ 6877 -Wl,--wrap,avcodec_decode_video2 \ 6878 -Wl,--wrap,avcodec_decode_subtitle2 \ 6879 -Wl,--wrap,avcodec_encode_audio2 \ 6880 -Wl,--wrap,avcodec_encode_video2 \ 6881 -Wl,--wrap,avcodec_encode_subtitle \ 6882 -Wl,--wrap,avcodec_send_packet \ 6883 -Wl,--wrap,avcodec_receive_packet \ 6884 -Wl,--wrap,avcodec_send_frame \ 6885 -Wl,--wrap,avcodec_receive_frame \ 6886 -Wl,--wrap,swr_convert \ 6887 -Wl,--wrap,avresample_convert \ 6888 -Wl,--wrap,sws_scale || 6889 disable xmm_clobber_test 6890 6891check_ld "cc" proper_dce <<EOF 6892extern const int array[512]; 6893static inline int func(void) { return array[0]; } 6894int main(void) { return 0; } 6895EOF 6896 6897if enabled proper_dce; then 6898 echo "X { local: *; };" > $TMPV 6899 if test_ldflags -Wl,${version_script},$TMPV; then 6900 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver' 6901 quotes='""' 6902 test_cc <<EOF && enable symver_asm_label 6903void ff_foo(void) __asm__ ("av_foo@VERSION"); 6904void ff_foo(void) { ${inline_asm+__asm__($quotes);} } 6905EOF 6906 test_cc <<EOF && enable symver_gnu_asm 6907__asm__(".symver ff_foo,av_foo@VERSION"); 6908void ff_foo(void) {} 6909EOF 6910 fi 6911fi 6912 6913if [ -z "$optflags" ]; then 6914 if enabled small; then 6915 optflags=$cflags_size 6916 elif enabled optimizations; then 6917 optflags=$cflags_speed 6918 else 6919 optflags=$cflags_noopt 6920 fi 6921fi 6922 6923check_optflags(){ 6924 check_cflags "$@" 6925 enabled lto && check_ldflags "$@" 6926} 6927 6928check_optflags $optflags 6929check_optflags -fno-math-errno 6930check_optflags -fno-signed-zeros 6931 6932if enabled lto; then 6933 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker" 6934 check_cflags -flto 6935 check_ldflags -flto $cpuflags 6936 disable inline_asm_direct_symbol_refs 6937fi 6938 6939enabled ftrapv && check_cflags -ftrapv 6940 6941test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone" 6942int x; 6943EOF 6944 6945 6946if enabled icc; then 6947 # Just warnings, no remarks 6948 check_cflags -w1 6949 # -wd: Disable following warnings 6950 # 144, 167, 556: -Wno-pointer-sign 6951 # 188: enumerated type mixed with another type 6952 # 1292: attribute "foo" ignored 6953 # 1419: external declaration in primary source file 6954 # 10006: ignoring unknown option -fno-signed-zeros 6955 # 10148: ignoring unknown option -Wno-parentheses 6956 # 10156: ignoring option '-W'; no argument required 6957 # 13200: No EMMS instruction before call to function 6958 # 13203: No EMMS instruction before return from function 6959 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203 6960 # 11030: Warning unknown option --as-needed 6961 # 10156: ignoring option '-export'; no argument required 6962 check_ldflags -wd10156,11030 6963 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test 6964 enable ebp_available 6965 # The test above does not test linking 6966 enabled lto && disable symver_asm_label 6967 if enabled x86_32; then 6968 icc_version=$($cc -dumpversion) 6969 test ${icc_version%%.*} -ge 11 && 6970 check_cflags -falign-stack=maintain-16-byte || 6971 disable aligned_stack 6972 fi 6973elif enabled gcc; then 6974 check_optflags -fno-tree-vectorize 6975 check_cflags -Werror=format-security 6976 check_cflags -Werror=implicit-function-declaration 6977 check_cflags -Werror=missing-prototypes 6978 check_cflags -Werror=return-type 6979 check_cflags -Werror=vla 6980 check_cflags -Wformat 6981 check_cflags -fdiagnostics-color=auto 6982 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized 6983 if enabled x86_32; then 6984 case $target_os in 6985 *bsd*) 6986 # BSDs don't guarantee a 16 byte aligned stack, but we can 6987 # request GCC to try to maintain 16 byte alignment throughout 6988 # function calls. Library entry points that might call assembly 6989 # functions align the stack. (The parameter means 2^4 bytes.) 6990 check_cflags -mpreferred-stack-boundary=4 6991 ;; 6992 esac 6993 fi 6994elif enabled llvm_gcc; then 6995 check_cflags -mllvm -stack-alignment=16 6996elif enabled clang; then 6997 if enabled x86_32; then 6998 # Clang doesn't support maintaining alignment without assuming the 6999 # same alignment in every function. If 16 byte alignment would be 7000 # enabled, one would also have to either add attribute_align_arg on 7001 # every single entry point into the libraries or enable -mstackrealign 7002 # (doing stack realignment in every single function). 7003 case $target_os in 7004 mingw32|win32|*bsd*) 7005 disable aligned_stack 7006 ;; 7007 *) 7008 check_cflags -mllvm -stack-alignment=16 7009 check_cflags -mstack-alignment=16 7010 ;; 7011 esac 7012 else 7013 check_cflags -mllvm -stack-alignment=16 7014 check_cflags -mstack-alignment=16 7015 fi 7016 check_cflags -Qunused-arguments 7017 check_cflags -Werror=implicit-function-declaration 7018 check_cflags -Werror=missing-prototypes 7019 check_cflags -Werror=return-type 7020elif enabled cparser; then 7021 add_cflags -Wno-missing-variable-declarations 7022 add_cflags -Wno-empty-statement 7023elif enabled armcc; then 7024 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat 7025 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir 7026 # 2523: use of inline assembly is deprecated 7027 add_cflags -W${armcc_opt},--diag_suppress=2523 7028 add_cflags -W${armcc_opt},--diag_suppress=1207 7029 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition 7030 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat 7031 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign 7032 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign 7033elif enabled pathscale; then 7034 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF 7035 disable inline_asm 7036elif enabled_any msvc icl; then 7037 enabled x86_32 && disable aligned_stack 7038 enabled_all x86_32 debug && add_cflags -Oy- 7039 enabled debug && add_ldflags -debug 7040 enable pragma_deprecated 7041 if enabled icl; then 7042 # -Qansi-alias is basically -fstrict-aliasing, but does not work 7043 # (correctly) on icl 13.x. 7044 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" && 7045 add_cflags -Qansi-alias 7046 # Some inline asm is not compilable in debug 7047 if enabled debug; then 7048 disable ebp_available 7049 disable ebx_available 7050 fi 7051 fi 7052 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2. 7053 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" 7054 # The CRT headers contain __declspec(restrict) in a few places, but if redefining 7055 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict) 7056 # (as it ends up if the restrict redefine is done before including stdlib.h), while 7057 # MSVC 2013 and newer can handle it fine. 7058 # If this declspec fails, force including stdlib.h before the restrict redefinition 7059 # happens in config.h. 7060 if [ $restrict_keyword != restrict ]; then 7061 test_cc <<EOF || add_cflags -FIstdlib.h 7062__declspec($restrict_keyword) void *foo(int); 7063EOF 7064 fi 7065 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code 7066 # Issue has been fixed in MSVC v19.00.24218. 7067 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" || 7068 check_cflags -d2SSAOptimizer- 7069 # enable utf-8 source processing on VS2015 U2 and newer 7070 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" && 7071 add_cflags -utf-8 7072fi 7073 7074for pfx in "" host_; do 7075 varname=${pfx%_}cc_type 7076 eval "type=\$$varname" 7077 if [ "$type" = "msvc" ]; then 7078 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline 7079static inline int foo(int a) { return a; } 7080EOF 7081 fi 7082done 7083 7084case $as_type in 7085 clang) 7086 add_asflags -Qunused-arguments 7087 ;; 7088esac 7089 7090case $ld_type in 7091 clang) 7092 check_ldflags -Qunused-arguments 7093 ;; 7094esac 7095 7096enable frame_thread_encoder 7097 7098enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; } 7099 7100check_deps $CONFIG_LIST \ 7101 $CONFIG_EXTRA \ 7102 $HAVE_LIST \ 7103 $ALL_COMPONENTS \ 7104 7105enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86" 7106enabled avresample && warn "Building with deprecated library libavresample" 7107 7108case $target_os in 7109haiku) 7110 disable memalign 7111 disable posix_memalign 7112 ;; 7113*-dos|freedos|opendos) 7114 if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then 7115 disable memalign 7116 fi 7117 ;; 7118esac 7119 7120flatten_extralibs(){ 7121 nested_entries= 7122 list_name=$1 7123 eval list=\$${1} 7124 for entry in $list; do 7125 entry_copy=$entry 7126 resolve entry_copy 7127 flat_entries= 7128 for e in $entry_copy; do 7129 case $e in 7130 *_extralibs) nested_entries="$nested_entries$e ";; 7131 *) flat_entries="$flat_entries$e ";; 7132 esac 7133 done 7134 eval $entry="\$flat_entries" 7135 done 7136 append $list_name "$nested_entries" 7137 7138 resolve nested_entries 7139 if test -n "$(filter '*_extralibs' $nested_entries)"; then 7140 flatten_extralibs $list_name 7141 fi 7142} 7143 7144flatten_extralibs_wrapper(){ 7145 list_name=$1 7146 flatten_extralibs $list_name 7147 unique $list_name 7148 resolve $list_name 7149 eval $list_name=\$\(\$ldflags_filter \$$list_name\) 7150 eval printf \''%s'\' \""\$$list_name"\" 7151} 7152 7153for linkunit in $LIBRARY_LIST; do 7154 unset current_extralibs 7155 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST 7156 for comp in ${components}; do 7157 enabled $comp || continue 7158 comp_extralibs="${comp}_extralibs" 7159 append current_extralibs $comp_extralibs 7160 done 7161 eval prepend ${linkunit}_extralibs $current_extralibs 7162done 7163 7164for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do 7165 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\) 7166done 7167 7168map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST 7169 7170for thread in $THREADS_LIST; do 7171 if enabled $thread; then 7172 test -n "$thread_type" && 7173 die "ERROR: Only one thread type must be selected." || 7174 thread_type="$thread" 7175 fi 7176done 7177 7178if disabled stdatomic; then 7179 if enabled atomics_gcc; then 7180 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc' 7181 elif enabled atomics_win32; then 7182 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32' 7183 elif enabled atomics_suncc; then 7184 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc' 7185 elif enabled pthreads; then 7186 add_compat atomics/pthread/stdatomic.o 7187 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread' 7188 else 7189 enabled threads && die "Threading is enabled, but no atomics are available" 7190 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy' 7191 fi 7192fi 7193 7194# Check if requested libraries were found. 7195for lib in $AUTODETECT_LIBS; do 7196 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found"; 7197done 7198 7199enabled zlib && add_cppflags -DZLIB_CONST 7200 7201# conditional library dependencies, in any order 7202enabled afftdn_filter && prepend avfilter_deps "avcodec" 7203enabled afftfilt_filter && prepend avfilter_deps "avcodec" 7204enabled afir_filter && prepend avfilter_deps "avcodec" 7205enabled amovie_filter && prepend avfilter_deps "avformat avcodec" 7206enabled aresample_filter && prepend avfilter_deps "swresample" 7207enabled atempo_filter && prepend avfilter_deps "avcodec" 7208enabled bm3d_filter && prepend avfilter_deps "avcodec" 7209enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec" 7210enabled convolve_filter && prepend avfilter_deps "avcodec" 7211enabled deconvolve_filter && prepend avfilter_deps "avcodec" 7212enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample" 7213enabled elbg_filter && prepend avfilter_deps "avcodec" 7214enabled fftfilt_filter && prepend avfilter_deps "avcodec" 7215enabled find_rect_filter && prepend avfilter_deps "avformat avcodec" 7216enabled firequalizer_filter && prepend avfilter_deps "avcodec" 7217enabled mcdeint_filter && prepend avfilter_deps "avcodec" 7218enabled movie_filter && prepend avfilter_deps "avformat avcodec" 7219enabled pan_filter && prepend avfilter_deps "swresample" 7220enabled pp_filter && prepend avfilter_deps "postproc" 7221enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale" 7222enabled resample_filter && prepend avfilter_deps "avresample" 7223enabled sab_filter && prepend avfilter_deps "swscale" 7224enabled scale_filter && prepend avfilter_deps "swscale" 7225enabled scale2ref_filter && prepend avfilter_deps "swscale" 7226enabled sofalizer_filter && prepend avfilter_deps "avcodec" 7227enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale" 7228enabled showfreqs_filter && prepend avfilter_deps "avcodec" 7229enabled showspectrum_filter && prepend avfilter_deps "avcodec" 7230enabled signature_filter && prepend avfilter_deps "avcodec avformat" 7231enabled smartblur_filter && prepend avfilter_deps "swscale" 7232enabled spectrumsynth_filter && prepend avfilter_deps "avcodec" 7233enabled spp_filter && prepend avfilter_deps "avcodec" 7234enabled sr_filter && prepend avfilter_deps "avformat swscale" 7235enabled subtitles_filter && prepend avfilter_deps "avformat avcodec" 7236enabled uspp_filter && prepend avfilter_deps "avcodec" 7237enabled zoompan_filter && prepend avfilter_deps "swscale" 7238 7239enabled lavfi_indev && prepend avdevice_deps "avfilter" 7240 7241#FIXME 7242enabled_any sdl2_outdev opengl_outdev && enabled sdl2 && 7243 add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags) 7244 7245enabled opus_decoder && prepend avcodec_deps "swresample" 7246 7247# reorder the items at var $1 to align with the items order at var $2 . 7248# die if an item at $1 is not at $2 . 7249reorder_by(){ 7250 eval rb_in=\$$1 7251 eval rb_ordered=\$$2 7252 7253 for rb in $rb_in; do 7254 is_in $rb $rb_ordered || die "$rb at \$$1 is not at \$$2" 7255 done 7256 7257 rb_out= 7258 for rb in $rb_ordered; do 7259 is_in $rb $rb_in && rb_out="$rb_out$rb " 7260 done 7261 eval $1=\$rb_out 7262} 7263 7264# deps-expand fflib $1: N x {append all expanded deps; unique} 7265# within a set of N items, N expansions are enough to expose a cycle. 7266expand_deps(){ 7267 unique ${1}_deps # required for the early break test. 7268 for dummy in $LIBRARY_LIST; do # N iteratios 7269 eval deps=\$${1}_deps 7270 append ${1}_deps $(map 'eval echo \$${v}_deps' $deps) 7271 unique ${1}_deps 7272 eval '[ ${#deps} = ${#'${1}_deps'} ]' && break # doesn't expand anymore 7273 done 7274 7275 eval is_in $1 \$${1}_deps && die "Dependency cycle at ${1}_deps" 7276 reorder_by ${1}_deps LIBRARY_LIST # linking order is expected later 7277} 7278 7279#we have to remove gpl from the deps here as some code assumes all lib deps are libs 7280postproc_deps="$(filter_out 'gpl' $postproc_deps)" 7281 7282map 'expand_deps $v' $LIBRARY_LIST 7283 7284if test "$quiet" != "yes"; then 7285 7286echo "install prefix $prefix" 7287echo "source path $source_path" 7288echo "C compiler $cc" 7289echo "C library $libc_type" 7290if test "$host_cc" != "$cc"; then 7291 echo "host C compiler $host_cc" 7292 echo "host C library $host_libc_type" 7293fi 7294echo "ARCH $arch ($cpu)" 7295if test "$build_suffix" != ""; then 7296 echo "build suffix $build_suffix" 7297fi 7298if test "$progs_suffix" != ""; then 7299 echo "progs suffix $progs_suffix" 7300fi 7301if test "$extra_version" != ""; then 7302 echo "version string suffix $extra_version" 7303fi 7304echo "big-endian ${bigendian-no}" 7305echo "runtime cpu detection ${runtime_cpudetect-no}" 7306if enabled x86; then 7307 echo "standalone assembly ${x86asm-no}" 7308 echo "x86 assembler ${x86asmexe}" 7309 echo "MMX enabled ${mmx-no}" 7310 echo "MMXEXT enabled ${mmxext-no}" 7311 echo "3DNow! enabled ${amd3dnow-no}" 7312 echo "3DNow! extended enabled ${amd3dnowext-no}" 7313 echo "SSE enabled ${sse-no}" 7314 echo "SSSE3 enabled ${ssse3-no}" 7315 echo "AESNI enabled ${aesni-no}" 7316 echo "AVX enabled ${avx-no}" 7317 echo "AVX2 enabled ${avx2-no}" 7318 echo "AVX-512 enabled ${avx512-no}" 7319 echo "XOP enabled ${xop-no}" 7320 echo "FMA3 enabled ${fma3-no}" 7321 echo "FMA4 enabled ${fma4-no}" 7322 echo "i686 features enabled ${i686-no}" 7323 echo "CMOV is fast ${fast_cmov-no}" 7324 echo "EBX available ${ebx_available-no}" 7325 echo "EBP available ${ebp_available-no}" 7326fi 7327if enabled aarch64; then 7328 echo "NEON enabled ${neon-no}" 7329 echo "VFP enabled ${vfp-no}" 7330fi 7331if enabled arm; then 7332 echo "ARMv5TE enabled ${armv5te-no}" 7333 echo "ARMv6 enabled ${armv6-no}" 7334 echo "ARMv6T2 enabled ${armv6t2-no}" 7335 echo "VFP enabled ${vfp-no}" 7336 echo "NEON enabled ${neon-no}" 7337 echo "THUMB enabled ${thumb-no}" 7338fi 7339if enabled mips; then 7340 echo "MIPS FPU enabled ${mipsfpu-no}" 7341 echo "MIPS DSP R1 enabled ${mipsdsp-no}" 7342 echo "MIPS DSP R2 enabled ${mipsdspr2-no}" 7343 echo "MIPS MSA enabled ${msa-no}" 7344 echo "MIPS MSA2 enabled ${msa2-no}" 7345 echo "LOONGSON MMI enabled ${mmi-no}" 7346fi 7347if enabled ppc; then 7348 echo "AltiVec enabled ${altivec-no}" 7349 echo "VSX enabled ${vsx-no}" 7350 echo "POWER8 enabled ${power8-no}" 7351 echo "PPC 4xx optimizations ${ppc4xx-no}" 7352 echo "dcbzl available ${dcbzl-no}" 7353fi 7354echo "debug symbols ${debug-no}" 7355echo "strip symbols ${stripping-no}" 7356echo "optimize for size ${small-no}" 7357echo "optimizations ${optimizations-no}" 7358echo "static ${static-no}" 7359echo "shared ${shared-no}" 7360echo "postprocessing support ${postproc-no}" 7361echo "network support ${network-no}" 7362echo "threading support ${thread_type-no}" 7363echo "safe bitstream reader ${safe_bitstream_reader-no}" 7364echo "texi2html enabled ${texi2html-no}" 7365echo "perl enabled ${perl-no}" 7366echo "pod2man enabled ${pod2man-no}" 7367echo "makeinfo enabled ${makeinfo-no}" 7368echo "makeinfo supports HTML ${makeinfo_html-no}" 7369test -n "$random_seed" && 7370 echo "random seed ${random_seed}" 7371echo 7372 7373echo "External libraries:" 7374print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns 7375echo 7376 7377echo "External libraries providing hardware acceleration:" 7378print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns 7379echo 7380 7381echo "Libraries:" 7382print_enabled '' $LIBRARY_LIST | print_in_columns 7383echo 7384 7385echo "Programs:" 7386print_enabled '' $PROGRAM_LIST | print_in_columns 7387echo 7388 7389for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do 7390 echo "Enabled ${type}s:" 7391 eval list=\$$(toupper $type)_LIST 7392 print_enabled '_*' $list | print_in_columns 7393 echo 7394done 7395 7396if test -n "$ignore_tests"; then 7397 ignore_tests=$(echo $ignore_tests | tr ',' ' ') 7398 echo "Ignored FATE tests:" 7399 echo $ignore_tests | print_in_columns 7400 echo 7401fi 7402 7403echo "License: $license" 7404 7405fi # test "$quiet" != "yes" 7406 7407if test -n "$WARN_IF_GETS_DISABLED_LIST"; then 7408 for cfg in $WARN_IF_GETS_DISABLED_LIST; do 7409 if disabled $cfg; then 7410 varname=${cfg}_disable_reason 7411 eval "warn \"Disabled $cfg because \$$varname\"" 7412 fi 7413 done 7414fi 7415 7416if test -n "$WARNINGS"; then 7417 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color" 7418 enabled fatal_warnings && exit 1 7419fi 7420 7421test -e Makefile || echo "include $source_path/Makefile" > Makefile 7422 7423esc(){ 7424 echo "$*" | sed 's/%/%25/g;s/:/%3a/g' 7425} 7426 7427echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate 7428 7429enabled stripping || strip="echo skipping strip" 7430enabled stripping || striptype="" 7431 7432config_files="$TMPH ffbuild/config.mak doc/config.texi" 7433 7434cat > ffbuild/config.mak <<EOF 7435# Automatically generated by configure - do not modify! 7436ifndef FFMPEG_CONFIG_MAK 7437FFMPEG_CONFIG_MAK=1 7438FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION 7439prefix=$prefix 7440LIBDIR=\$(DESTDIR)$libdir 7441SHLIBDIR=\$(DESTDIR)$shlibdir 7442INCDIR=\$(DESTDIR)$incdir 7443BINDIR=\$(DESTDIR)$bindir 7444DATADIR=\$(DESTDIR)$datadir 7445DOCDIR=\$(DESTDIR)$docdir 7446MANDIR=\$(DESTDIR)$mandir 7447PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir 7448INSTALL_NAME_DIR=$install_name_dir 7449SRC_PATH=$source_path 7450SRC_LINK=$source_link 7451ifndef MAIN_MAKEFILE 7452SRC_PATH:=\$(SRC_PATH:.%=..%) 7453endif 7454CC_IDENT=$cc_ident 7455ARCH=$arch 7456INTRINSICS=$intrinsics 7457EXTERN_PREFIX=$extern_prefix 7458CC=$cc 7459CXX=$cxx 7460AS=$as 7461OBJCC=$objcc 7462LD=$ld 7463DEPCC=$dep_cc 7464DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS) 7465DEPAS=$as 7466DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS) 7467X86ASM=$x86asmexe 7468DEPX86ASM=$x86asmexe 7469DEPX86ASMFLAGS=\$(X86ASMFLAGS) 7470AR=$ar 7471ARFLAGS=$arflags 7472AR_O=$ar_o 7473AR_CMD=$ar 7474NM_CMD=$nm 7475RANLIB=$ranlib 7476STRIP=$strip 7477STRIPTYPE=$striptype 7478NVCC=$nvcc 7479CP=cp -p 7480LN_S=$ln_s 7481CPPFLAGS=$CPPFLAGS 7482CFLAGS=$CFLAGS 7483CXXFLAGS=$CXXFLAGS 7484OBJCFLAGS=$OBJCFLAGS 7485ASFLAGS=$ASFLAGS 7486NVCCFLAGS=$nvccflags 7487AS_C=$AS_C 7488AS_O=$AS_O 7489OBJCC_C=$OBJCC_C 7490OBJCC_E=$OBJCC_E 7491OBJCC_O=$OBJCC_O 7492CC_C=$CC_C 7493CC_E=$CC_E 7494CC_O=$CC_O 7495CXX_C=$CXX_C 7496CXX_O=$CXX_O 7497NVCC_C=$NVCC_C 7498NVCC_O=$NVCC_O 7499LD_O=$LD_O 7500X86ASM_O=$X86ASM_O 7501LD_LIB=$LD_LIB 7502LD_PATH=$LD_PATH 7503DLLTOOL=$dlltool 7504WINDRES=$windres 7505DOXYGEN=$doxygen 7506LDFLAGS=$LDFLAGS 7507LDEXEFLAGS=$LDEXEFLAGS 7508LDSOFLAGS=$LDSOFLAGS 7509SHFLAGS=$(echo $($ldflags_filter $SHFLAGS)) 7510ASMSTRIPFLAGS=$ASMSTRIPFLAGS 7511X86ASMFLAGS=$X86ASMFLAGS 7512MSAFLAGS=$MSAFLAGS 7513MMIFLAGS=$MMIFLAGS 7514BUILDSUF=$build_suffix 7515PROGSSUF=$progs_suffix 7516FULLNAME=$FULLNAME 7517LIBPREF=$LIBPREF 7518LIBSUF=$LIBSUF 7519LIBNAME=$LIBNAME 7520SLIBPREF=$SLIBPREF 7521SLIBSUF=$SLIBSUF 7522EXESUF=$EXESUF 7523EXTRA_VERSION=$extra_version 7524CCDEP=$CCDEP 7525CXXDEP=$CXXDEP 7526CCDEP_FLAGS=$CCDEP_FLAGS 7527ASDEP=$ASDEP 7528ASDEP_FLAGS=$ASDEP_FLAGS 7529X86ASMDEP=$X86ASMDEP 7530X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS 7531CC_DEPFLAGS=$CC_DEPFLAGS 7532AS_DEPFLAGS=$AS_DEPFLAGS 7533X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS 7534HOSTCC=$host_cc 7535HOSTLD=$host_ld 7536HOSTCFLAGS=$host_cflags 7537HOSTCPPFLAGS=$host_cppflags 7538HOSTEXESUF=$HOSTEXESUF 7539HOSTLDFLAGS=$host_ldflags 7540HOSTEXTRALIBS=$host_extralibs 7541DEPHOSTCC=$host_cc 7542DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS) 7543HOSTCCDEP=$HOSTCCDEP 7544HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS 7545HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS 7546HOSTCC_C=$HOSTCC_C 7547HOSTCC_O=$HOSTCC_O 7548HOSTLD_O=$HOSTLD_O 7549TARGET_EXEC=$target_exec $target_exec_args 7550TARGET_PATH=$target_path 7551TARGET_SAMPLES=${target_samples:-\$(SAMPLES)} 7552CFLAGS-ffplay=${sdl2_cflags} 7553CFLAGS_HEADERS=$CFLAGS_HEADERS 7554LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD 7555EXTRALIBS=$extralibs 7556COMPAT_OBJS=$compat_objs 7557INSTALL=$install 7558LIBTARGET=${LIBTARGET} 7559SLIBNAME=${SLIBNAME} 7560SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION} 7561SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR} 7562SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD} 7563SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD} 7564SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME} 7565SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS} 7566SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB} 7567SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB} 7568VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD} 7569SAMPLES:=${samples:-\$(FATE_SAMPLES)} 7570NOREDZONE_FLAGS=$noredzone_flags 7571LIBFUZZER_PATH=$libfuzzer_path 7572IGNORE_TESTS=$ignore_tests 7573EOF 7574 7575map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST 7576 7577for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do 7578 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak 7579done 7580 7581cat > $TMPH <<EOF 7582/* Automatically generated by configure - do not modify! */ 7583#ifndef FFMPEG_CONFIG_H 7584#define FFMPEG_CONFIG_H 7585#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)" 7586#define FFMPEG_LICENSE "$(c_escape $license)" 7587#define CONFIG_THIS_YEAR 2021 7588#define FFMPEG_DATADIR "$(eval c_escape $datadir)" 7589#define AVCONV_DATADIR "$(eval c_escape $datadir)" 7590#define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})" 7591#define OS_NAME $target_os 7592#define av_restrict $restrict_keyword 7593#define EXTERN_PREFIX "${extern_prefix}" 7594#define EXTERN_ASM ${extern_prefix} 7595#define BUILDSUF "$build_suffix" 7596#define SLIBSUF "$SLIBSUF" 7597#define HAVE_MMX2 HAVE_MMXEXT 7598#define SWS_MAX_FILTER_SIZE $sws_max_filter_size 7599EOF 7600 7601test -n "$assert_level" && 7602 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH 7603 7604test -n "$malloc_prefix" && 7605 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH 7606 7607if enabled x86asm; then 7608 append config_files $TMPASM 7609 cat > $TMPASM <<EOF 7610; Automatically generated by configure - do not modify! 7611EOF 7612fi 7613 7614enabled getenv || echo "#define getenv(x) NULL" >> $TMPH 7615 7616 7617mkdir -p doc 7618mkdir -p tests 7619mkdir -p tests/api 7620echo "@c auto-generated by configure - do not modify! " > doc/config.texi 7621 7622print_config ARCH_ "$config_files" $ARCH_LIST 7623print_config HAVE_ "$config_files" $HAVE_LIST 7624print_config CONFIG_ "$config_files" $CONFIG_LIST \ 7625 $CONFIG_EXTRA \ 7626 $ALL_COMPONENTS \ 7627 7628echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH 7629echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak 7630 7631# Do not overwrite an unchanged config.h to avoid superfluous rebuilds. 7632cp_if_changed $TMPH config.h 7633touch ffbuild/.config 7634 7635enabled x86asm && cp_if_changed $TMPASM config.asm 7636 7637cat > $TMPH <<EOF 7638/* Generated by ffmpeg configure */ 7639#ifndef AVUTIL_AVCONFIG_H 7640#define AVUTIL_AVCONFIG_H 7641EOF 7642 7643print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB 7644 7645echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH 7646 7647cp_if_changed $TMPH libavutil/avconfig.h 7648 7649# full_filter_name_foo=vf_foo 7650# full_filter_name_bar=asrc_bar 7651# ... 7652eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)" 7653 7654# generate the lists of enabled components 7655print_enabled_components(){ 7656 file=$1 7657 struct_name=$2 7658 name=$3 7659 shift 3 7660 echo "static const $struct_name * const $name[] = {" > $TMPH 7661 for c in $*; do 7662 if enabled $c; then 7663 case $name in 7664 filter_list) 7665 eval c=\$full_filter_name_${c%_filter} 7666 ;; 7667 indev_list) 7668 c=${c%_indev}_demuxer 7669 ;; 7670 outdev_list) 7671 c=${c%_outdev}_muxer 7672 ;; 7673 esac 7674 printf " &ff_%s,\n" $c >> $TMPH 7675 fi 7676 done 7677 if [ "$name" = "filter_list" ]; then 7678 for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do 7679 printf " &ff_%s,\n" $c >> $TMPH 7680 done 7681 fi 7682 echo " NULL };" >> $TMPH 7683 cp_if_changed $TMPH $file 7684} 7685 7686print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST 7687print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST 7688print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST 7689print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST 7690print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST 7691print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST 7692print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST 7693print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST 7694print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST 7695 7696# Settings for pkg-config files 7697 7698cat > $TMPH <<EOF 7699# Automatically generated by configure - do not modify! 7700shared=$shared 7701build_suffix=$build_suffix 7702prefix=$prefix 7703libdir=$libdir 7704incdir=$incdir 7705rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}") 7706source_path=${source_path} 7707LIBPREF=${LIBPREF} 7708LIBSUF=${LIBSUF} 7709extralibs_avutil="$avutil_extralibs" 7710extralibs_avcodec="$avcodec_extralibs" 7711extralibs_avformat="$avformat_extralibs" 7712extralibs_avdevice="$avdevice_extralibs" 7713extralibs_avfilter="$avfilter_extralibs" 7714extralibs_avresample="$avresample_extralibs" 7715extralibs_postproc="$postproc_extralibs" 7716extralibs_swscale="$swscale_extralibs" 7717extralibs_swresample="$swresample_extralibs" 7718EOF 7719 7720for lib in $LIBRARY_LIST; do 7721 lib_deps="$(eval echo \$${lib}_deps)" 7722 echo ${lib}_deps=\"$lib_deps\" >> $TMPH 7723done 7724 7725cp_if_changed $TMPH ffbuild/config.sh 7726