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='${prefix}/share/man' 3763 3764# toolchain 3765ar_default="llvm-ar" 3766cc_default="clang" 3767cxx_default="clang++" 3768host_cc_default="clang" 3769doxygen_default="doxygen" 3770install="install" 3771ln_s_default="ln -s -f" 3772nm_default="llvm-nm -g" 3773pkg_config_default=pkg-config 3774ranlib_default="llvm-ranlib" 3775strip_default="llvm-strip" 3776version_script='--version-script' 3777objformat="elf32" 3778x86asmexe_default="nasm" 3779windres_default="windres" 3780striptype="direct" 3781 3782# OS 3783target_os_default=$(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,$$(@F)' 3827LIBPREF="lib" 3828LIBSUF=".a" 3829FULLNAME='$(NAME)$(BUILDSUF)' 3830LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)' 3831SLIBPREF="lib" 3832SLIBSUF=".so" 3833SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)' 3834SLIBNAME_WITH_VERSION='$(SLIBNAME)' 3835SLIBNAME_WITH_MAJOR='$(SLIBNAME)' 3836LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"' 3837SLIB_INSTALL_NAME='$(SLIBNAME)' 3838VERSION_SCRIPT_POSTPROCESS_CMD="cat" 3839 3840asflags_filter=echo 3841cflags_filter=echo 3842ldflags_filter=echo 3843 3844AS_C='-c' 3845AS_O='-o $@' 3846CC_C='-c' 3847CC_E='-E -o $@' 3848CC_O='-o $@' 3849CXX_C='-c' 3850CXX_O='-o $@' 3851OBJCC_C='-c' 3852OBJCC_E='-E -o $@' 3853OBJCC_O='-o $@' 3854X86ASM_O='-o $@' 3855LD_O='-o $@' 3856LD_LIB='-l%' 3857LD_PATH='-L' 3858HOSTCC_C='-c' 3859HOSTCC_E='-E -o $@' 3860HOSTCC_O='-o $@' 3861HOSTLD_O='-o $@' 3862NVCC_C='-c' 3863NVCC_O='-o $@' 3864 3865host_extralibs='-lm' 3866host_cflags_filter=echo 3867host_ldflags_filter=echo 3868 3869target_path='$(CURDIR)' 3870 3871# since the object filename is not given with the -MM flag, the compiler 3872# is only able to print the basename, and we must add the path ourselves 3873DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)' 3874DEPFLAGS='-MM' 3875 3876mkdir -p ffbuild 3877 3878# find source path 3879if test -f configure; then 3880 source_path=. 3881elif test -f src/configure; then 3882 source_path=src 3883else 3884 source_path=$(cd $(dirname "$0"); pwd) 3885 case "$source_path" in 3886 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;; 3887 esac 3888 test -e "$source_path/config.h" && 3889 die "Out of tree builds are impossible with config.h in source dir." 3890fi 3891 3892for v in "$@"; do 3893 r=${v#*=} 3894 l=${v%"$r"} 3895 r=$(sh_quote "$r") 3896 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}" 3897done 3898 3899find_things_extern(){ 3900 thing=$1 3901 pattern=$2 3902 file=$source_path/$3 3903 out=${4:-$thing} 3904 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file" 3905} 3906 3907find_filters_extern(){ 3908 file=$source_path/$1 3909 sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file 3910} 3911 3912FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c) 3913OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev) 3914INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev) 3915MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c) 3916DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c) 3917ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c) 3918DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c) 3919CODEC_LIST=" 3920 $ENCODER_LIST 3921 $DECODER_LIST 3922" 3923PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c) 3924BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c) 3925HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h) 3926PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c) 3927 3928AVCODEC_COMPONENTS_LIST=" 3929 $BSF_LIST 3930 $DECODER_LIST 3931 $ENCODER_LIST 3932 $HWACCEL_LIST 3933 $PARSER_LIST 3934" 3935 3936AVDEVICE_COMPONENTS_LIST=" 3937 $INDEV_LIST 3938 $OUTDEV_LIST 3939" 3940 3941AVFILTER_COMPONENTS_LIST=" 3942 $FILTER_LIST 3943" 3944 3945AVFORMAT_COMPONENTS_LIST=" 3946 $DEMUXER_LIST 3947 $MUXER_LIST 3948 $PROTOCOL_LIST 3949" 3950 3951ALL_COMPONENTS=" 3952 $AVCODEC_COMPONENTS_LIST 3953 $AVDEVICE_COMPONENTS_LIST 3954 $AVFILTER_COMPONENTS_LIST 3955 $AVFORMAT_COMPONENTS_LIST 3956" 3957 3958for n in $COMPONENT_LIST; do 3959 v=$(toupper ${n%s})_LIST 3960 eval enable \$$v 3961 eval ${n}_if_any="\$$v" 3962done 3963 3964enable $ARCH_EXT_LIST 3965 3966die_unknown(){ 3967 echo "Unknown option \"$1\"." 3968 echo "See $0 --help for available options." 3969 exit 1 3970} 3971 3972print_in_columns() { 3973 tr ' ' '\n' | sort | tr '\r\n' ' ' | awk -v col_width=24 -v width="$ncols" ' 3974 { 3975 num_cols = width > col_width ? int(width / col_width) : 1; 3976 num_rows = int((NF + num_cols-1) / num_cols); 3977 y = x = 1; 3978 for (y = 1; y <= num_rows; y++) { 3979 i = y; 3980 for (x = 1; x <= num_cols; x++) { 3981 if (i <= NF) { 3982 line = sprintf("%s%-" col_width "s", line, $i); 3983 } 3984 i = i + num_rows; 3985 } 3986 print line; line = ""; 3987 } 3988 }' | sed 's/ *$//' 3989} 3990 3991show_list() { 3992 suffix=_$1 3993 shift 3994 echo $* | sed s/$suffix//g | print_in_columns 3995 exit 0 3996} 3997 3998rand_list(){ 3999 IFS=', ' 4000 set -- $* 4001 unset IFS 4002 for thing; do 4003 comp=${thing%:*} 4004 prob=${thing#$comp} 4005 prob=${prob#:} 4006 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST 4007 echo "prob ${prob:-0.5}" 4008 printf '%s\n' $comp 4009 done 4010} 4011 4012do_random(){ 4013 action=$1 4014 shift 4015 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }") 4016 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }") 4017} 4018 4019for opt do 4020 optval="${opt#*=}" 4021 case "$opt" in 4022 --extra-ldflags=*) 4023 add_ldflags $optval 4024 ;; 4025 --extra-ldexeflags=*) 4026 add_ldexeflags $optval 4027 ;; 4028 --extra-ldsoflags=*) 4029 add_ldsoflags $optval 4030 ;; 4031 --extra-ldlibflags=*) 4032 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\ 4033 "removed in the future. Use --extra-ldsoflags instead." 4034 add_ldsoflags $optval 4035 ;; 4036 --extra-libs=*) 4037 add_extralibs $optval 4038 ;; 4039 --disable-devices) 4040 disable $INDEV_LIST $OUTDEV_LIST 4041 ;; 4042 --enable-debug=*) 4043 debuglevel="$optval" 4044 ;; 4045 --disable-programs) 4046 disable $PROGRAM_LIST 4047 ;; 4048 --disable-everything) 4049 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST 4050 ;; 4051 --disable-all) 4052 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST 4053 disable $LIBRARY_LIST $PROGRAM_LIST doc 4054 enable avutil 4055 ;; 4056 --enable-random|--disable-random) 4057 action=${opt%%-random} 4058 do_random ${action#--} $COMPONENT_LIST 4059 ;; 4060 --enable-random=*|--disable-random=*) 4061 action=${opt%%-random=*} 4062 do_random ${action#--} $optval 4063 ;; 4064 --enable-sdl) 4065 enable sdl2 4066 ;; 4067 --enable-*=*|--disable-*=*) 4068 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/') 4069 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt" 4070 eval list=\$$(toupper $thing)_LIST 4071 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing} 4072 list=$(filter "$name" $list) 4073 [ "$list" = "" ] && warn "Option $opt did not match anything" 4074 test $action = enable && warn_if_gets_disabled $list 4075 $action $list 4076 ;; 4077 --enable-yasm|--disable-yasm) 4078 warn "The ${opt} option is only provided for compatibility and will be\n"\ 4079 "removed in the future. Use --enable-x86asm / --disable-x86asm instead." 4080 test $opt = --enable-yasm && x86asm=yes || x86asm=no 4081 ;; 4082 --yasmexe=*) 4083 warn "The --yasmexe option is only provided for compatibility and will be\n"\ 4084 "removed in the future. Use --x86asmexe instead." 4085 x86asmexe="$optval" 4086 ;; 4087 --enable-?*|--disable-?*) 4088 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g') 4089 if is_in $option $COMPONENT_LIST; then 4090 test $action = disable && action=unset 4091 eval $action \$$(toupper ${option%s})_LIST 4092 elif is_in $option $CMDLINE_SELECT; then 4093 $action $option 4094 else 4095 die_unknown $opt 4096 fi 4097 ;; 4098 --list-*) 4099 NAME="${opt#--list-}" 4100 is_in $NAME $COMPONENT_LIST || die_unknown $opt 4101 NAME=${NAME%s} 4102 eval show_list $NAME \$$(toupper $NAME)_LIST 4103 ;; 4104 --help|-h) show_help 4105 ;; 4106 --quiet|-q) quiet=yes 4107 ;; 4108 --fatal-warnings) enable fatal_warnings 4109 ;; 4110 --libfuzzer=*) 4111 libfuzzer_path="$optval" 4112 ;; 4113 *) 4114 optname="${opt%%=*}" 4115 optname="${optname#--}" 4116 optname=$(echo "$optname" | sed 's/-/_/g') 4117 if is_in $optname $CMDLINE_SET; then 4118 eval $optname='$optval' 4119 elif is_in $optname $CMDLINE_APPEND; then 4120 append $optname "$optval" 4121 else 4122 die_unknown $opt 4123 fi 4124 ;; 4125 esac 4126done 4127 4128for e in $env; do 4129 eval "export $e" 4130done 4131 4132if disabled autodetect; then 4133 4134 # Unless iconv is explicitely disabled by the user, we still want to probe 4135 # for the iconv from the libc. 4136 disabled iconv || enable libc_iconv 4137 4138 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST 4139 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST 4140fi 4141# Mark specifically enabled, but normally autodetected libraries as requested. 4142for lib in $AUTODETECT_LIBS; do 4143 enabled $lib && request $lib 4144done 4145#TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way 4146enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST 4147enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST 4148 4149disabled logging && logfile=/dev/null 4150 4151# command line configuration sanity checks 4152 4153# we need to build at least one lib type 4154if ! enabled_any static shared; then 4155 cat <<EOF 4156At least one library type must be built. 4157Specify --enable-static to build the static libraries or --enable-shared to 4158build the shared libraries as well. To only build the shared libraries specify 4159--disable-static in addition to --enable-shared. 4160EOF 4161 exit 1 4162fi 4163 4164die_license_disabled() { 4165 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; } 4166} 4167 4168die_license_disabled_gpl() { 4169 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; } 4170} 4171 4172map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST 4173map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST 4174 4175enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST 4176map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST 4177 4178enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; } 4179 4180if enabled nonfree; then 4181 license="nonfree and unredistributable" 4182elif enabled gplv3; then 4183 license="GPL version 3 or later" 4184elif enabled lgplv3; then 4185 license="LGPL version 3 or later" 4186elif enabled gpl; then 4187 license="GPL version 2 or later" 4188else 4189 license="LGPL version 2.1 or later" 4190fi 4191 4192enabled_all gnutls openssl && 4193 die "GnuTLS and OpenSSL must not be enabled at the same time." 4194 4195enabled_all gnutls mbedtls && 4196 die "GnuTLS and mbedTLS must not be enabled at the same time." 4197 4198enabled_all openssl mbedtls && 4199 die "OpenSSL and mbedTLS must not be enabled at the same time." 4200 4201# Disable all the library-specific components if the library itself 4202# is disabled, see AVCODEC_LIST and following _LIST variables. 4203 4204disable_components(){ 4205 disabled ${1} && disable $( 4206 eval components="\$$(toupper ${1})_COMPONENTS" 4207 map 'eval echo \${$(toupper ${v%s})_LIST}' $components 4208 ) 4209} 4210 4211map 'disable_components $v' $LIBRARY_LIST 4212 4213echo "# $0 $FFMPEG_CONFIGURATION" > $logfile 4214set >> $logfile 4215 4216test -n "$valgrind" && toolchain="valgrind-memcheck" 4217 4218enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize=" && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{ 4219 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer 4220 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp 4221} 4222 4223case "$toolchain" in 4224 *-asan) 4225 cc_default="${toolchain%-asan}" 4226 add_cflags -fsanitize=address 4227 add_ldflags -fsanitize=address 4228 ;; 4229 *-msan) 4230 cc_default="${toolchain%-msan}" 4231 add_cflags -fsanitize=memory -fsanitize-memory-track-origins 4232 add_ldflags -fsanitize=memory 4233 ;; 4234 *-tsan) 4235 cc_default="${toolchain%-tsan}" 4236 add_cflags -fsanitize=thread 4237 add_ldflags -fsanitize=thread 4238 case "$toolchain" in 4239 gcc-tsan) 4240 add_cflags -fPIC 4241 add_ldflags -fPIC 4242 ;; 4243 esac 4244 ;; 4245 *-usan) 4246 cc_default="${toolchain%-usan}" 4247 add_cflags -fsanitize=undefined 4248 add_ldflags -fsanitize=undefined 4249 ;; 4250 valgrind-*) 4251 target_exec_default="valgrind" 4252 case "$toolchain" in 4253 valgrind-massif) 4254 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" 4255 ;; 4256 valgrind-memcheck) 4257 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp" 4258 ;; 4259 esac 4260 ;; 4261 msvc) 4262 # Check whether the current MSVC version needs the C99 converter. 4263 # From MSVC 2013 (compiler major version 18) onwards, it does actually 4264 # support enough of C99 to build ffmpeg. Default to the new 4265 # behaviour if the regexp was unable to match anything, since this 4266 # successfully parses the version number of existing supported 4267 # versions that require the converter (MSVC 2010 and 2012). 4268 cl_major_ver=$(cl.exe 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p') 4269 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then 4270 cc_default="cl.exe" 4271 cxx_default="cl.exe" 4272 else 4273 die "Unsupported MSVC version (2013 or newer required)" 4274 fi 4275 ld_default="$source_path/compat/windows/mslink" 4276 nm_default="dumpbin.exe -symbols" 4277 ar_default="lib.exe" 4278 case "${arch:-$arch_default}" in 4279 aarch64|arm64) 4280 as_default="armasm64.exe" 4281 ;; 4282 arm*) 4283 as_default="armasm.exe" 4284 ;; 4285 esac 4286 target_os_default="win32" 4287 # Use a relative path for TMPDIR. This makes sure all the 4288 # ffconf temp files are written with a relative path, avoiding 4289 # issues with msys/win32 path conversion for MSVC parameters 4290 # such as -Fo<file> or -out:<file>. 4291 TMPDIR=. 4292 ;; 4293 icl) 4294 cc_default="icl" 4295 ld_default="xilink" 4296 nm_default="dumpbin -symbols" 4297 ar_default="xilib" 4298 target_os_default="win32" 4299 TMPDIR=. 4300 ;; 4301 gcov) 4302 add_cflags -fprofile-arcs -ftest-coverage 4303 add_ldflags -fprofile-arcs -ftest-coverage 4304 ;; 4305 llvm-cov) 4306 add_cflags -fprofile-arcs -ftest-coverage 4307 add_ldflags --coverage 4308 ;; 4309 hardened) 4310 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 4311 add_cflags -fno-strict-overflow -fstack-protector-all 4312 add_ldflags -Wl,-z,relro -Wl,-z,now 4313 add_cflags -fPIE 4314 add_ldexeflags -fPIE -pie 4315 ;; 4316 ?*) 4317 die "Unknown toolchain $toolchain" 4318 ;; 4319esac 4320 4321if test -n "$cross_prefix"; then 4322 test -n "$arch" && test -n "$target_os" || 4323 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling" 4324 enable cross_compile 4325fi 4326 4327set_default target_os 4328if test "$target_os" = android; then 4329 cc_default="clang" 4330fi 4331 4332ar_default="${cross_prefix}${ar_default}" 4333cc_default="${cross_prefix}${cc_default}" 4334cxx_default="${cross_prefix}${cxx_default}" 4335nm_default="${cross_prefix}${nm_default}" 4336pkg_config_default="${cross_prefix}${pkg_config_default}" 4337if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then 4338 ranlib_default="${cross_prefix}${ranlib_default} -D" 4339else 4340 ranlib_default="${cross_prefix}${ranlib_default}" 4341fi 4342strip_default="${cross_prefix}${strip_default}" 4343windres_default="${cross_prefix}${windres_default}" 4344 4345sysinclude_default="${sysroot}/usr/include" 4346 4347if enabled cuda_sdk; then 4348 warn "Option --enable-cuda-sdk is deprecated. Use --enable-cuda-nvcc instead." 4349 enable cuda_nvcc 4350fi 4351 4352if enabled cuda_nvcc; then 4353 nvcc_default="nvcc" 4354 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2" 4355else 4356 nvcc_default="clang" 4357 nvccflags_default="--cuda-gpu-arch=sm_30 -O2" 4358 NVCC_C="" 4359fi 4360 4361set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \ 4362 target_exec x86asmexe nvcc 4363enabled cross_compile || host_cc_default=$cc 4364set_default host_cc 4365 4366pkg_config_fail_message="" 4367if ! $pkg_config --version >/dev/null 2>&1; then 4368 warn "$pkg_config not found, library detection may fail." 4369 pkg_config=false 4370elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then 4371 pkg_config_fail_message=" 4372Note: When building a static binary, add --pkg-config-flags=\"--static\"." 4373fi 4374 4375if test $doxygen != $doxygen_default && \ 4376 ! $doxygen --version >/dev/null 2>&1; then 4377 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build." 4378fi 4379 4380exesuf() { 4381 case $1 in 4382 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;; 4383 esac 4384} 4385 4386EXESUF=$(exesuf $target_os) 4387HOSTEXESUF=$(exesuf $host_os) 4388 4389# set temporary file name 4390: ${TMPDIR:=$TEMPDIR} 4391: ${TMPDIR:=$TMP} 4392: ${TMPDIR:=/tmp} 4393 4394if [ -n "$tempprefix" ] ; then 4395 mktemp(){ 4396 tmpname="$tempprefix.${HOSTNAME}.${UID}" 4397 echo "$tmpname" 4398 mkdir "$tmpname" 4399 } 4400elif ! test_cmd mktemp -u XXXXXX; then 4401 # simple replacement for missing mktemp 4402 # NOT SAFE FOR GENERAL USE 4403 mktemp(){ 4404 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$" 4405 echo "$tmpname" 4406 mkdir "$tmpname" 4407 } 4408fi 4409 4410FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) || 4411 die "Unable to create temporary directory in $TMPDIR." 4412 4413tmpfile(){ 4414 tmp="${FFTMPDIR}/test"$2 4415 (set -C; exec > $tmp) 2> /dev/null || 4416 die "Unable to create temporary file in $FFTMPDIR." 4417 eval $1=$tmp 4418} 4419 4420trap 'rm -rf -- "$FFTMPDIR"' EXIT 4421trap 'exit 2' INT 4422 4423tmpfile TMPASM .asm 4424tmpfile TMPC .c 4425tmpfile TMPCPP .cpp 4426tmpfile TMPE $EXESUF 4427tmpfile TMPH .h 4428tmpfile TMPM .m 4429tmpfile TMPCU .cu 4430tmpfile TMPO .o 4431tmpfile TMPS .S 4432tmpfile TMPSH .sh 4433tmpfile TMPV .ver 4434 4435unset -f mktemp 4436 4437chmod +x $TMPE 4438 4439# make sure we can execute files in $TMPDIR 4440cat > $TMPSH 2>> $logfile <<EOF 4441#! /bin/sh 4442EOF 4443chmod +x $TMPSH >> $logfile 2>&1 4444if ! $TMPSH >> $logfile 2>&1; then 4445 cat <<EOF 4446Unable to create and execute files in $TMPDIR. Set the TMPDIR environment 4447variable to another directory and make sure that it is not mounted noexec. 4448EOF 4449 die "Sanity test failed." 4450fi 4451 4452armasm_flags(){ 4453 for flag; do 4454 case $flag in 4455 # Filter out MSVC cl.exe options from cflags that shouldn't 4456 # be passed to gas-preprocessor 4457 -M[TD]*) ;; 4458 *) echo $flag ;; 4459 esac 4460 done 4461} 4462 4463cparser_flags(){ 4464 for flag; do 4465 case $flag in 4466 -Wno-switch) echo -Wno-switch-enum ;; 4467 -Wno-format-zero-length) ;; 4468 -Wdisabled-optimization) ;; 4469 -Wno-pointer-sign) echo -Wno-other ;; 4470 *) echo $flag ;; 4471 esac 4472 done 4473} 4474 4475msvc_common_flags(){ 4476 for flag; do 4477 case $flag in 4478 # In addition to specifying certain flags under the compiler 4479 # specific filters, they must be specified here as well or else the 4480 # generic catch all at the bottom will print the original flag. 4481 -Wall) ;; 4482 -Wextra) ;; 4483 -std=c*) ;; 4484 # Common flags 4485 -fomit-frame-pointer) ;; 4486 -g) echo -Z7 ;; 4487 -fno-math-errno) ;; 4488 -fno-common) ;; 4489 -fno-signed-zeros) ;; 4490 -fPIC) ;; 4491 -mthumb) ;; 4492 -march=*) ;; 4493 -lz) echo zlib.lib ;; 4494 -lx264) echo libx264.lib ;; 4495 -lstdc++) ;; 4496 -l*) echo ${flag#-l}.lib ;; 4497 -LARGEADDRESSAWARE) echo $flag ;; 4498 -L*) echo -libpath:${flag#-L} ;; 4499 -Wl,*) ;; 4500 *) echo $flag ;; 4501 esac 4502 done 4503} 4504 4505msvc_flags(){ 4506 msvc_common_flags "$@" 4507 for flag; do 4508 case $flag in 4509 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \ 4510 -wd4554 ;; 4511 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \ 4512 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \ 4513 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \ 4514 -wd4307 \ 4515 -wd4273 -wd4554 -wd4701 -wd4703 ;; 4516 esac 4517 done 4518} 4519 4520icl_flags(){ 4521 msvc_common_flags "$@" 4522 for flag; do 4523 case $flag in 4524 # Despite what Intel's documentation says -Wall, which is supported 4525 # on Windows, does enable remarks so disable them here. 4526 -Wall) echo $flag -Qdiag-disable:remark ;; 4527 -std=c99) echo -Qstd=c99 ;; 4528 -flto) echo -ipo ;; 4529 esac 4530 done 4531} 4532 4533icc_flags(){ 4534 for flag; do 4535 case $flag in 4536 -flto) echo -ipo ;; 4537 *) echo $flag ;; 4538 esac 4539 done 4540} 4541 4542suncc_flags(){ 4543 for flag; do 4544 case $flag in 4545 -march=*|-mcpu=*) 4546 case "${flag#*=}" in 4547 native) echo -xtarget=native ;; 4548 v9|niagara) echo -xarch=sparc ;; 4549 ultrasparc) echo -xarch=sparcvis ;; 4550 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;; 4551 i586|pentium) echo -xchip=pentium ;; 4552 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;; 4553 pentium3*|c3-2) echo -xtarget=pentium3 ;; 4554 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;; 4555 pentium4*) echo -xtarget=pentium4 ;; 4556 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;; 4557 *-sse3) echo -xarch=sse3 ;; 4558 core2) echo -xarch=ssse3 -xchip=core2 ;; 4559 bonnell) echo -xarch=ssse3 ;; 4560 corei7|nehalem) echo -xtarget=nehalem ;; 4561 westmere) echo -xtarget=westmere ;; 4562 silvermont) echo -xarch=sse4_2 ;; 4563 corei7-avx|sandybridge) echo -xtarget=sandybridge ;; 4564 core-avx*|ivybridge|haswell|broadwell|skylake*|knl) 4565 echo -xarch=avx ;; 4566 amdfam10|barcelona) echo -xtarget=barcelona ;; 4567 btver1) echo -xarch=amdsse4a ;; 4568 btver2|bdver*|znver*) echo -xarch=avx ;; 4569 athlon-4|athlon-[mx]p) echo -xarch=ssea ;; 4570 k8|opteron|athlon64|athlon-fx) 4571 echo -xarch=sse2a ;; 4572 athlon*) echo -xarch=pentium_proa ;; 4573 esac 4574 ;; 4575 -std=c99) echo -xc99 ;; 4576 -fomit-frame-pointer) echo -xregs=frameptr ;; 4577 -fPIC) echo -KPIC -xcode=pic32 ;; 4578 -W*,*) echo $flag ;; 4579 -f*-*|-W*|-mimpure-text) ;; 4580 -shared) echo -G ;; 4581 *) echo $flag ;; 4582 esac 4583 done 4584} 4585 4586probe_cc(){ 4587 pfx=$1 4588 _cc=$2 4589 first=$3 4590 4591 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags 4592 unset _ld_o _ldflags _ld_lib _ld_path 4593 unset _depflags _DEPCMD _DEPFLAGS 4594 _flags_filter=echo 4595 4596 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then 4597 true # no-op to avoid reading stdin in following checks 4598 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then 4599 _type=llvm_gcc 4600 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)') 4601 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver" 4602 _depflags='-MMD -MF $(@:.o=.d) -MT $@' 4603 _cflags_speed='-O3' 4604 _cflags_size='-Os' 4605 elif $_cc -v 2>&1 | grep -qi ^gcc; then 4606 _type=gcc 4607 gcc_version=$($_cc --version | head -n1) 4608 gcc_basever=$($_cc -dumpversion) 4609 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)') 4610 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)") 4611 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver") 4612 case $gcc_basever in 4613 2) ;; 4614 2.*) ;; 4615 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;; 4616 esac 4617 if [ "$first" = true ]; then 4618 case $gcc_basever in 4619 4.2*) 4620 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;; 4621 esac 4622 fi 4623 _cflags_speed='-O3' 4624 _cflags_size='-Os' 4625 elif $_cc --version 2>/dev/null | grep -q ^icc; then 4626 _type=icc 4627 _ident=$($_cc --version | head -n1) 4628 _depflags='-MMD' 4629 _cflags_speed='-O3' 4630 _cflags_size='-Os' 4631 _cflags_noopt='-O1' 4632 _flags_filter=icc_flags 4633 elif $_cc -v 2>&1 | grep -q xlc; then 4634 _type=xlc 4635 _ident=$($_cc -qversion 2>/dev/null | head -n1) 4636 _cflags_speed='-O5' 4637 _cflags_size='-O5 -qcompact' 4638 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then 4639 test -d "$sysroot" || die "No valid sysroot specified." 4640 _type=armcc 4641 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //') 4642 armcc_conf="$PWD/armcc.conf" 4643 $_cc --arm_linux_configure \ 4644 --arm_linux_config_file="$armcc_conf" \ 4645 --configure_sysroot="$sysroot" \ 4646 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 || 4647 die "Error creating armcc configuration file." 4648 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc 4649 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc" 4650 as_default="${cross_prefix}gcc" 4651 _depflags='-MMD' 4652 _cflags_speed='-O3' 4653 _cflags_size='-Os' 4654 elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then 4655 _type=clang 4656 _ident=$($_cc --version 2>/dev/null | head -n1) 4657 _depflags='-MMD -MF $(@:.o=.d) -MT $@' 4658 _cflags_speed='-O3' 4659 _cflags_size='-Oz' 4660 elif $_cc -V 2>&1 | grep -q Sun; then 4661 _type=suncc 4662 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-) 4663 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)' 4664 _DEPFLAGS='-xM1 -xc99' 4665 _ldflags='-std=c99' 4666 _cflags_speed='-O5' 4667 _cflags_size='-O5 -xspace' 4668 _flags_filter=suncc_flags 4669 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then 4670 _type=pathscale 4671 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) 4672 _depflags='-MMD -MF $(@:.o=.d) -MT $@' 4673 _cflags_speed='-O2' 4674 _cflags_size='-Os' 4675 _flags_filter='filter_out -Wdisabled-optimization' 4676 elif $_cc -v 2>&1 | grep -q Open64; then 4677 _type=open64 4678 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) 4679 _depflags='-MMD -MF $(@:.o=.d) -MT $@' 4680 _cflags_speed='-O2' 4681 _cflags_size='-Os' 4682 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros' 4683 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then 4684 _type=armasm 4685 _ident=$($_cc | head -n1) 4686 # 4509: "This form of conditional instruction is deprecated" 4687 _flags="-nologo -ignore 4509" 4688 _flags_filter=armasm_flags 4689 elif $_cc 2>&1 | grep -q Intel; then 4690 _type=icl 4691 _ident=$($_cc 2>&1 | head -n1) 4692 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@' 4693 # Not only is O3 broken on 13.x+ but it is slower on all previous 4694 # versions (tested) as well. 4695 _cflags_speed="-O2" 4696 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff 4697 if $_cc 2>&1 | grep -q Linker; then 4698 _ld_o='-out:$@' 4699 else 4700 _ld_o='-Fe$@' 4701 fi 4702 _cc_o='-Fo$@' 4703 _cc_e='-P' 4704 _flags_filter=icl_flags 4705 _ld_lib='lib%.a' 4706 _ld_path='-libpath:' 4707 # -Qdiag-error to make icl error when seeing certain unknown arguments 4708 _flags='-nologo -Qdiag-error:4044,10157' 4709 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency 4710 # with MSVC which enables it by default. 4711 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise' 4712 disable stripping 4713 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then 4714 # lld can emulate multiple different linkers; in ms link.exe mode, 4715 # the -? parameter gives the help output which contains an identifyable 4716 # string, while it gives an error in other modes. 4717 _type=lld-link 4718 # The link.exe mode doesn't have a switch for getting the version, 4719 # but we can force it back to gnu mode and get the version from there. 4720 _ident=$($_cc -flavor gnu --version 2>/dev/null) 4721 _ld_o='-out:$@' 4722 _flags_filter=msvc_flags 4723 _ld_lib='lib%.a' 4724 _ld_path='-libpath:' 4725 elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then 4726 _type=msvc 4727 if $_cc -nologo- 2>&1 | grep -q Microsoft; then 4728 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r') 4729 else 4730 _ident=$($_cc --version 2>/dev/null | head -n1 | tr -d '\r') 4731 fi 4732 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)' 4733 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs' 4734 _cflags_speed="-O2" 4735 _cflags_size="-O1" 4736 _cflags_noopt="-O1" 4737 if $_cc -nologo- 2>&1 | grep -q Linker; then 4738 _ld_o='-out:$@' 4739 else 4740 _ld_o='-Fe$@' 4741 fi 4742 _cc_o='-Fo$@' 4743 _cc_e='-P -Fi$@' 4744 _flags_filter=msvc_flags 4745 _ld_lib='lib%.a' 4746 _ld_path='-libpath:' 4747 _flags='-nologo' 4748 disable stripping 4749 elif $_cc --version 2>/dev/null | grep -q ^cparser; then 4750 _type=cparser 4751 _ident=$($_cc --version | head -n1) 4752 _depflags='-MMD' 4753 _cflags_speed='-O4' 4754 _cflags_size='-O2' 4755 _flags_filter=cparser_flags 4756 fi 4757 4758 eval ${pfx}_type=\$_type 4759 eval ${pfx}_ident=\$_ident 4760} 4761 4762set_ccvars(){ 4763 eval ${1}_C=\${_cc_c-\${${1}_C}} 4764 eval ${1}_E=\${_cc_e-\${${1}_E}} 4765 eval ${1}_O=\${_cc_o-\${${1}_O}} 4766 4767 if [ -n "$_depflags" ]; then 4768 eval ${1}_DEPFLAGS=\$_depflags 4769 else 4770 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD} 4771 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS} 4772 eval DEP${1}FLAGS=\$_flags 4773 fi 4774} 4775 4776probe_cc cc "$cc" "true" 4777cflags_filter=$_flags_filter 4778cflags_speed=$_cflags_speed 4779cflags_size=$_cflags_size 4780cflags_noopt=$_cflags_noopt 4781add_cflags $_flags $_cflags 4782cc_ldflags=$_ldflags 4783set_ccvars CC 4784set_ccvars CXX 4785 4786probe_cc hostcc "$host_cc" 4787host_cflags_filter=$_flags_filter 4788host_cflags_speed=$_cflags_speed 4789add_host_cflags $_flags $_cflags 4790set_ccvars HOSTCC 4791 4792test -n "$cc_type" && enable $cc_type || 4793 warn "Unknown C compiler $cc, unable to select optimal CFLAGS" 4794 4795: ${as_default:=$cc} 4796: ${objcc_default:=$cc} 4797: ${dep_cc_default:=$cc} 4798: ${ld_default:=$cc} 4799: ${host_ld_default:=$host_cc} 4800set_default ar as objcc dep_cc ld ln_s host_ld windres 4801 4802probe_cc as "$as" 4803asflags_filter=$_flags_filter 4804add_asflags $_flags $_cflags 4805set_ccvars AS 4806 4807probe_cc objcc "$objcc" 4808objcflags_filter=$_flags_filter 4809add_objcflags $_flags $_cflags 4810set_ccvars OBJC 4811 4812probe_cc ld "$ld" 4813ldflags_filter=$_flags_filter 4814add_ldflags $_flags $_ldflags 4815test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags 4816LD_O=${_ld_o-$LD_O} 4817LD_LIB=${_ld_lib-$LD_LIB} 4818LD_PATH=${_ld_path-$LD_PATH} 4819 4820probe_cc hostld "$host_ld" 4821host_ldflags_filter=$_flags_filter 4822add_host_ldflags $_flags $_ldflags 4823HOSTLD_O=${_ld_o-$HOSTLD_O} 4824 4825if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then 4826 probe_cc depcc "$dep_cc" 4827 CCDEP=${_DEPCMD:-$DEPCMD} 4828 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS} 4829 DEPCCFLAGS=$_flags 4830fi 4831 4832if $ar 2>&1 | grep -q Microsoft; then 4833 arflags="-nologo" 4834 ar_o='-out:$@' 4835elif $ar 2>&1 | grep -q "\[D\] "; then 4836 arflags="rcD" 4837 ar_o='$@' 4838else 4839 arflags="rc" 4840 ar_o='$@' 4841fi 4842 4843add_cflags $extra_cflags 4844add_cxxflags $extra_cxxflags 4845add_objcflags $extra_objcflags 4846add_asflags $extra_cflags 4847 4848if test -n "$sysroot"; then 4849 case "$cc_type" in 4850 gcc|llvm_gcc|clang) 4851 add_cppflags --sysroot="$sysroot" 4852 add_ldflags --sysroot="$sysroot" 4853 ;; 4854 esac 4855fi 4856 4857if test "$cpu" = host; then 4858 enabled cross_compile && 4859 warn "--cpu=host makes no sense when cross-compiling." 4860 4861 case "$cc_type" in 4862 gcc|llvm_gcc) 4863 check_native(){ 4864 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return 4865 sed -n "/cc1.*$1=/{ 4866 s/.*$1=\\([^ ]*\\).*/\\1/ 4867 p 4868 q 4869 }" $TMPE 4870 } 4871 cpu=$(check_native -march || check_native -mcpu) 4872 ;; 4873 clang) 4874 check_native(){ 4875 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return 4876 sed -n "/cc1.*-target-cpu /{ 4877 s/.*-target-cpu \\([^ ]*\\).*/\\1/ 4878 p 4879 q 4880 }" $TMPE 4881 } 4882 cpu=$(check_native -march) 4883 ;; 4884 esac 4885 4886 test "${cpu:-host}" = host && 4887 die "--cpu=host not supported with compiler $cc" 4888fi 4889 4890# Deal with common $arch aliases 4891case "$arch" in 4892 aarch64|arm64) 4893 arch="aarch64" 4894 ;; 4895 arm*|iPad*|iPhone*) 4896 arch="arm" 4897 ;; 4898 mips*|IP*) 4899 case "$arch" in 4900 *el) 4901 add_cppflags -EL 4902 add_ldflags -EL 4903 ;; 4904 *eb) 4905 add_cppflags -EB 4906 add_ldflags -EB 4907 ;; 4908 esac 4909 arch="mips" 4910 ;; 4911 parisc*|hppa*) 4912 arch="parisc" 4913 ;; 4914 "Power Macintosh"|ppc*|powerpc*) 4915 arch="ppc" 4916 ;; 4917 s390|s390x) 4918 arch="s390" 4919 ;; 4920 sh4|sh) 4921 arch="sh4" 4922 ;; 4923 sun4*|sparc*) 4924 arch="sparc" 4925 ;; 4926 tilegx|tile-gx) 4927 arch="tilegx" 4928 ;; 4929 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64) 4930 arch="x86" 4931 ;; 4932esac 4933 4934is_in $arch $ARCH_LIST || warn "unknown architecture $arch" 4935enable $arch 4936 4937# Add processor-specific flags 4938if enabled aarch64; then 4939 4940 case $cpu in 4941 armv*) 4942 cpuflags="-march=$cpu" 4943 ;; 4944 *) 4945 cpuflags="-mcpu=$cpu" 4946 ;; 4947 esac 4948 4949elif enabled alpha; then 4950 4951 cpuflags="-mcpu=$cpu" 4952 4953elif enabled arm; then 4954 4955 check_arm_arch() { 4956 test_cpp_condition stddef.h \ 4957 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \ 4958 $cpuflags 4959 } 4960 4961 probe_arm_arch() { 4962 if check_arm_arch 4; then echo armv4 4963 elif check_arm_arch 4T; then echo armv4t 4964 elif check_arm_arch 5; then echo armv5 4965 elif check_arm_arch 5E; then echo armv5e 4966 elif check_arm_arch 5T; then echo armv5t 4967 elif check_arm_arch 5TE; then echo armv5te 4968 elif check_arm_arch 5TEJ; then echo armv5te 4969 elif check_arm_arch 6; then echo armv6 4970 elif check_arm_arch 6J; then echo armv6j 4971 elif check_arm_arch 6K; then echo armv6k 4972 elif check_arm_arch 6Z; then echo armv6z 4973 elif check_arm_arch 6KZ; then echo armv6zk 4974 elif check_arm_arch 6ZK; then echo armv6zk 4975 elif check_arm_arch 6T2; then echo armv6t2 4976 elif check_arm_arch 7; then echo armv7 4977 elif check_arm_arch 7A 7_A; then echo armv7-a 4978 elif check_arm_arch 7S; then echo armv7-a 4979 elif check_arm_arch 7R 7_R; then echo armv7-r 4980 elif check_arm_arch 7M 7_M; then echo armv7-m 4981 elif check_arm_arch 7EM 7E_M; then echo armv7-m 4982 elif check_arm_arch 8A 8_A; then echo armv8-a 4983 fi 4984 } 4985 4986 [ "$cpu" = generic ] && cpu=$(probe_arm_arch) 4987 4988 case $cpu in 4989 armv*) 4990 cpuflags="-march=$cpu" 4991 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g') 4992 ;; 4993 *) 4994 cpuflags="-mcpu=$cpu" 4995 case $cpu in 4996 cortex-a*) subarch=armv7a ;; 4997 cortex-r*) subarch=armv7r ;; 4998 cortex-m*) enable thumb; subarch=armv7m ;; 4999 arm11*) subarch=armv6 ;; 5000 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;; 5001 armv4*|arm7*|arm9[24]*) subarch=armv4 ;; 5002 *) subarch=$(probe_arm_arch) ;; 5003 esac 5004 ;; 5005 esac 5006 5007 case "$subarch" in 5008 armv5t*) enable fast_clz ;; 5009 armv[6-8]*) 5010 enable fast_clz 5011 disabled fast_unaligned || enable fast_unaligned 5012 ;; 5013 esac 5014 5015elif enabled avr32; then 5016 5017 case $cpu in 5018 ap7[02]0[0-2]) 5019 subarch="avr32_ap" 5020 cpuflags="-mpart=$cpu" 5021 ;; 5022 ap) 5023 subarch="avr32_ap" 5024 cpuflags="-march=$cpu" 5025 ;; 5026 uc3[ab]*) 5027 subarch="avr32_uc" 5028 cpuflags="-mcpu=$cpu" 5029 ;; 5030 uc) 5031 subarch="avr32_uc" 5032 cpuflags="-march=$cpu" 5033 ;; 5034 esac 5035 5036elif enabled bfin; then 5037 5038 cpuflags="-mcpu=$cpu" 5039 5040elif enabled mips; then 5041 5042 if [ "$cpu" != "generic" ]; then 5043 disable mips32r2 5044 disable mips32r5 5045 disable mips64r2 5046 disable mips32r6 5047 disable mips64r6 5048 disable loongson2 5049 disable loongson3 5050 disable mipsdsp 5051 disable mipsdspr2 5052 5053 cpuflags="-march=$cpu" 5054 5055 case $cpu in 5056 # General ISA levels 5057 mips1|mips3) 5058 ;; 5059 mips32r2) 5060 enable mips32r2 5061 ;; 5062 mips32r5) 5063 enable mips32r2 5064 enable mips32r5 5065 ;; 5066 mips64r2|mips64r5) 5067 enable mips64r2 5068 enable loongson3 5069 ;; 5070 # Cores from MIPS(MTI) 5071 24kc) 5072 disable mipsfpu 5073 enable mips32r2 5074 ;; 5075 24kf*|24kec|34kc|74Kc|1004kc) 5076 enable mips32r2 5077 ;; 5078 24kef*|34kf*|1004kf*) 5079 enable mipsdsp 5080 enable mips32r2 5081 ;; 5082 p5600) 5083 enable mips32r2 5084 enable mips32r5 5085 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" 5086 ;; 5087 i6400) 5088 enable mips64r6 5089 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64" 5090 ;; 5091 p6600) 5092 enable mips64r6 5093 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64" 5094 ;; 5095 # Cores from Loongson 5096 loongson2e|loongson2f|loongson3*) 5097 enable local_aligned 5098 enable simd_align_16 5099 enable fast_64bit 5100 enable fast_clz 5101 enable fast_cmov 5102 enable fast_unaligned 5103 disable aligned_stack 5104 # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag. 5105 if test "$cc_type" = "gcc"; then 5106 case $gcc_basever in 5107 2|2.*|3.*|4.*|5.0|5.1|5.2) 5108 expensive_optimization_flag="-fno-expensive-optimizations" 5109 ;; 5110 *) 5111 expensive_optimization_flag="" 5112 ;; 5113 esac 5114 fi 5115 5116 case $cpu in 5117 loongson3*) 5118 enable loongson3 5119 cpuflags="-march=loongson3a -mhard-float $expensive_optimization_flag" 5120 ;; 5121 loongson2e) 5122 enable loongson2 5123 cpuflags="-march=loongson2e -mhard-float $expensive_optimization_flag" 5124 ;; 5125 loongson2f) 5126 enable loongson2 5127 cpuflags="-march=loongson2f -mhard-float $expensive_optimization_flag" 5128 ;; 5129 esac 5130 ;; 5131 *) 5132 warn "unknown MIPS CPU" 5133 ;; 5134 esac 5135 5136 else 5137 disable mipsdsp 5138 disable mipsdspr2 5139 # Disable DSP stuff for generic CPU, it can't be detected at runtime. 5140 warn 'generic cpu selected' 5141 fi 5142 5143elif enabled ppc; then 5144 5145 disable ldbrx 5146 5147 case $(tolower $cpu) in 5148 601|ppc601|powerpc601) 5149 cpuflags="-mcpu=601" 5150 disable altivec 5151 ;; 5152 603*|ppc603*|powerpc603*) 5153 cpuflags="-mcpu=603" 5154 disable altivec 5155 ;; 5156 604*|ppc604*|powerpc604*) 5157 cpuflags="-mcpu=604" 5158 disable altivec 5159 ;; 5160 g3|75*|ppc75*|powerpc75*) 5161 cpuflags="-mcpu=750" 5162 disable altivec 5163 ;; 5164 g4|745*|ppc745*|powerpc745*) 5165 cpuflags="-mcpu=7450" 5166 disable vsx 5167 ;; 5168 74*|ppc74*|powerpc74*) 5169 cpuflags="-mcpu=7400" 5170 disable vsx 5171 ;; 5172 g5|970|ppc970|powerpc970) 5173 cpuflags="-mcpu=970" 5174 disable vsx 5175 ;; 5176 power[3-6]*) 5177 cpuflags="-mcpu=$cpu" 5178 disable vsx 5179 ;; 5180 power[7-8]*) 5181 cpuflags="-mcpu=$cpu" 5182 ;; 5183 cell) 5184 cpuflags="-mcpu=cell" 5185 enable ldbrx 5186 disable vsx 5187 ;; 5188 e500mc) 5189 cpuflags="-mcpu=e500mc" 5190 disable altivec 5191 ;; 5192 e500v2) 5193 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double" 5194 disable altivec 5195 disable dcbzl 5196 ;; 5197 e500) 5198 cpuflags="-mcpu=8540 -mhard-float" 5199 disable altivec 5200 disable dcbzl 5201 ;; 5202 esac 5203 5204elif enabled sparc; then 5205 5206 case $cpu in 5207 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789]) 5208 cpuflags="-mcpu=$cpu" 5209 ;; 5210 ultrasparc*|niagara[234]) 5211 cpuflags="-mcpu=$cpu" 5212 ;; 5213 esac 5214 5215elif enabled x86; then 5216 5217 case $cpu in 5218 i[345]86|pentium) 5219 cpuflags="-march=$cpu" 5220 disable i686 5221 disable mmx 5222 ;; 5223 # targets that do NOT support nopl and conditional mov (cmov) 5224 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3) 5225 cpuflags="-march=$cpu" 5226 disable i686 5227 ;; 5228 # targets that do support nopl and conditional mov (cmov) 5229 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\ 5230 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\ 5231 |amdfam10|barcelona|b[dt]ver*|znver*) 5232 cpuflags="-march=$cpu" 5233 enable i686 5234 enable fast_cmov 5235 ;; 5236 # targets that do support conditional mov but on which it's slow 5237 pentium4|pentium4m|prescott|nocona) 5238 cpuflags="-march=$cpu" 5239 enable i686 5240 disable fast_cmov 5241 ;; 5242 esac 5243 5244fi 5245 5246if [ "$cpu" != generic ]; then 5247 add_cflags $cpuflags 5248 add_asflags $cpuflags 5249 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags 5250fi 5251 5252# compiler sanity check 5253test_exec <<EOF 5254int main(void){ return 0; } 5255EOF 5256if test "$?" != 0; then 5257 echo "$cc is unable to create an executable file." 5258 if test -z "$cross_prefix" && ! enabled cross_compile ; then 5259 echo "If $cc is a cross-compiler, use the --enable-cross-compile option." 5260 echo "Only do this if you know what cross compiling means." 5261 fi 5262 die "C compiler test failed." 5263fi 5264 5265add_cppflags -D_ISOC99_SOURCE 5266add_cxxflags -D__STDC_CONSTANT_MACROS 5267check_cxxflags -std=c++11 || check_cxxflags -std=c++0x 5268 5269# some compilers silently accept -std=c11, so we also need to check that the 5270# version macro is defined properly 5271test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" && 5272 add_cflags -std=c11 || 5273 check_cflags -std=c99 5274 5275check_cppflags -D_FILE_OFFSET_BITS=64 5276check_cppflags -D_LARGEFILE_SOURCE 5277 5278add_host_cppflags -D_ISOC99_SOURCE 5279check_host_cflags -std=c99 5280check_host_cflags -Wall 5281check_host_cflags $host_cflags_speed 5282 5283check_64bit(){ 5284 arch32=$1 5285 arch64=$2 5286 expr=${3:-'sizeof(void *) > 4'} 5287 test_code cc "" "int test[2*($expr) - 1]" && 5288 subarch=$arch64 || subarch=$arch32 5289 enable $subarch 5290} 5291 5292case "$arch" in 5293 aarch64|alpha|ia64) 5294 enabled shared && enable_weak pic 5295 ;; 5296 mips) 5297 check_64bit mips mips64 '_MIPS_SIM > 1' 5298 enabled shared && enable_weak pic 5299 ;; 5300 parisc) 5301 check_64bit parisc parisc64 5302 enabled shared && enable_weak pic 5303 ;; 5304 ppc) 5305 check_64bit ppc ppc64 5306 enabled shared && enable_weak pic 5307 ;; 5308 s390) 5309 check_64bit s390 s390x 5310 enabled shared && enable_weak pic 5311 ;; 5312 sparc) 5313 check_64bit sparc sparc64 5314 enabled shared && enable_weak pic 5315 ;; 5316 x86) 5317 check_64bit x86_32 x86_64 5318 # Treat x32 as x64 for now. Note it also needs pic if shared 5319 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' && 5320 subarch=x86_64 && enable x86_64 && disable x86_32 5321 if enabled x86_64; then 5322 enabled shared && enable_weak pic 5323 objformat=elf64 5324 fi 5325 ;; 5326esac 5327 5328# OS specific 5329case $target_os in 5330 aix) 5331 SHFLAGS=-shared 5332 add_cppflags '-I\$(SRC_PATH)/compat/aix' 5333 enabled shared && add_ldflags -Wl,-brtl 5334 arflags='-Xany -r -c' 5335 striptype="" 5336 ;; 5337 android) 5338 disable symver 5339 enable section_data_rel_ro 5340 add_cflags -fPIE 5341 add_ldexeflags -fPIE -pie 5342 SLIB_INSTALL_NAME='$(SLIBNAME)' 5343 SLIB_INSTALL_LINKS= 5344 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)' 5345 ;; 5346 haiku) 5347 prefix_default="/boot/common" 5348 network_extralibs="-lnetwork" 5349 host_extralibs= 5350 ;; 5351 sunos) 5352 SHFLAGS='-shared -Wl,-h,$$(@F)' 5353 enabled x86 && append SHFLAGS -mimpure-text 5354 network_extralibs="-lsocket -lnsl" 5355 add_cppflags -D__EXTENSIONS__ 5356 # When using suncc to build, the Solaris linker will mark 5357 # an executable with each instruction set encountered by 5358 # the Solaris assembler. As our libraries contain their own 5359 # guards for processor-specific code, instead suppress 5360 # generation of the HWCAPS ELF section on Solaris x86 only. 5361 enabled_all suncc x86 && 5362 echo "hwcap_1 = OVERRIDE;" > mapfile && 5363 add_ldflags -Wl,-M,mapfile 5364 nm_default='nm -P -g' 5365 striptype="" 5366 version_script='-M' 5367 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)' 5368 ;; 5369 netbsd) 5370 disable symver 5371 oss_indev_extralibs="-lossaudio" 5372 oss_outdev_extralibs="-lossaudio" 5373 enabled gcc || check_ldflags -Wl,-zmuldefs 5374 ;; 5375 openbsd|bitrig) 5376 disable symver 5377 enable section_data_rel_ro 5378 striptype="" 5379 SHFLAGS='-shared' 5380 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)' 5381 SLIB_INSTALL_LINKS= 5382 oss_indev_extralibs="-lossaudio" 5383 oss_outdev_extralibs="-lossaudio" 5384 ;; 5385 dragonfly) 5386 disable symver 5387 ;; 5388 freebsd) 5389 ;; 5390 bsd/os) 5391 add_extralibs -lpoll -lgnugetopt 5392 strip="strip -d" 5393 ;; 5394 darwin) 5395 enabled ppc && add_asflags -force_cpusubtype_ALL 5396 install_name_dir_default='$(SHLIBDIR)' 5397 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)' 5398 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress 5399 strip="${strip} -x" 5400 add_ldflags -Wl,-dynamic,-search_paths_first 5401 check_cflags -Werror=partial-availability 5402 SLIBSUF=".dylib" 5403 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)' 5404 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)' 5405 enabled x86_64 && objformat="macho64" || objformat="macho32" 5406 enabled_any pic shared x86_64 || 5407 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; } 5408 check_headers dispatch/dispatch.h && 5409 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore' 5410 if test -n "$sysroot"; then 5411 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot 5412 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot 5413 fi 5414 version_script='-exported_symbols_list' 5415 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"' 5416 # Workaround for Xcode 11 -fstack-check bug 5417 if enabled clang; then 5418 clang_version=$($cc -dumpversion) 5419 test ${clang_version%%.*} -eq 11 && add_cflags -fno-stack-check 5420 fi 5421 ;; 5422 msys*) 5423 die "Native MSYS builds are discouraged, please use the MINGW environment." 5424 ;; 5425 mingw32*|mingw64*) 5426 target_os=mingw32 5427 LIBTARGET=i386 5428 if enabled x86_64; then 5429 LIBTARGET="i386:x86-64" 5430 elif enabled arm; then 5431 LIBTARGET="arm" 5432 elif enabled aarch64; then 5433 LIBTARGET="arm64" 5434 fi 5435 if enabled shared; then 5436 # Cannot build both shared and static libs when using dllimport. 5437 disable static 5438 fi 5439 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres 5440 enabled x86_32 && check_ldflags -Wl,--large-address-aware 5441 shlibdir_default="$bindir_default" 5442 SLIBPREF="" 5443 SLIBSUF=".dll" 5444 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' 5445 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' 5446 if test_cmd lib.exe -list; then 5447 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)' 5448 if enabled x86_64; then 5449 LIBTARGET=x64 5450 fi 5451 else 5452 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)' 5453 fi 5454 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' 5455 SLIB_INSTALL_LINKS= 5456 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' 5457 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' 5458 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)' 5459 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)' 5460 enabled x86_64 && objformat="win64" || objformat="win32" 5461 dlltool="${cross_prefix}dlltool" 5462 ranlib=: 5463 enable dos_paths 5464 check_ldflags -Wl,--nxcompat,--dynamicbase 5465 # Lets work around some stupidity in binutils. 5466 # ld will strip relocations from executables even though we need them 5467 # for dynamicbase (ASLR). Using -pie does retain the reloc section 5468 # however ld then forgets what the entry point should be (oops) so we 5469 # have to manually (re)set it. 5470 if enabled x86_32; then 5471 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup 5472 elif enabled x86_64; then 5473 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup 5474 check_ldflags -Wl,--high-entropy-va # binutils 2.25 5475 # Set image base >4GB for extra entropy with HEASLR 5476 add_ldexeflags -Wl,--image-base,0x140000000 5477 append SHFLAGS -Wl,--image-base,0x180000000 5478 fi 5479 ;; 5480 win32|win64) 5481 disable symver 5482 if enabled shared; then 5483 # Link to the import library instead of the normal static library 5484 # for shared libs. 5485 LD_LIB='%.lib' 5486 # Cannot build both shared and static libs with MSVC or icl. 5487 disable static 5488 fi 5489 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE 5490 shlibdir_default="$bindir_default" 5491 SLIBPREF="" 5492 SLIBSUF=".dll" 5493 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' 5494 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' 5495 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)' 5496 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' 5497 SLIB_INSTALL_LINKS= 5498 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' 5499 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' 5500 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)' 5501 enabled x86_64 && objformat="win64" || objformat="win32" 5502 ranlib=: 5503 enable dos_paths 5504 ;; 5505 cygwin*) 5506 target_os=cygwin 5507 shlibdir_default="$bindir_default" 5508 SLIBPREF="cyg" 5509 SLIBSUF=".dll" 5510 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' 5511 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' 5512 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' 5513 SLIB_INSTALL_LINKS= 5514 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a' 5515 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a' 5516 enabled x86_64 && objformat="win64" || objformat="win32" 5517 enable dos_paths 5518 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres 5519 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5520 ;; 5521 *-dos|freedos|opendos) 5522 network_extralibs="-lsocket" 5523 objformat="coff" 5524 enable dos_paths 5525 ;; 5526 linux) 5527 enable section_data_rel_ro 5528 enabled_any arm aarch64 && enable_weak linux_perf 5529 ;; 5530 irix*) 5531 target_os=irix 5532 ranlib="echo ignoring ranlib" 5533 ;; 5534 os/2*) 5535 strip="lxlite -CS" 5536 striptype="" 5537 objformat="aout" 5538 add_cppflags -D_GNU_SOURCE 5539 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap 5540 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf' 5541 LIBSUF="_s.a" 5542 SLIBPREF="" 5543 SLIBSUF=".dll" 5544 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' 5545 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)' 5546 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \ 5547 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \ 5548 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \ 5549 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \ 5550 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def' 5551 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \ 5552 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;' 5553 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' 5554 SLIB_INSTALL_LINKS= 5555 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib' 5556 enable dos_paths 5557 enable_weak os2threads 5558 ;; 5559 gnu/kfreebsd) 5560 add_cppflags -D_BSD_SOURCE 5561 ;; 5562 gnu) 5563 ;; 5564 qnx) 5565 add_cppflags -D_QNX_SOURCE 5566 network_extralibs="-lsocket" 5567 ;; 5568 symbian) 5569 SLIBSUF=".dll" 5570 enable dos_paths 5571 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default 5572 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS 5573 add_ldflags -Wl,--target1-abs,--no-undefined \ 5574 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \ 5575 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup 5576 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \ 5577 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \ 5578 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib 5579 ;; 5580 minix) 5581 ;; 5582 none) 5583 ;; 5584 *) 5585 die "Unknown OS '$target_os'." 5586 ;; 5587esac 5588 5589# test if creating links works 5590link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX) 5591link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX) 5592mkdir "$link_dest" 5593$ln_s "$link_dest" "$link_name" 5594touch "$link_dest/test_file" 5595if [ "$source_path" != "." ] && [ "$source_path" != "src" ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then 5596 # create link to source path 5597 [ -e src ] && rm src 5598 $ln_s "$source_path" src 5599 source_link=src 5600else 5601 # creating directory links doesn't work 5602 # fall back to using the full source path 5603 source_link="$source_path" 5604fi 5605# cleanup 5606rm -r "$link_dest" 5607rm -r "$link_name" 5608 5609# determine libc flavour 5610 5611probe_libc(){ 5612 pfx=$1 5613 pfx_no_=${pfx%_} 5614 # uclibc defines __GLIBC__, so it needs to be checked before glibc. 5615 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then 5616 eval ${pfx}libc_type=uclibc 5617 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5618 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then 5619 eval ${pfx}libc_type=glibc 5620 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5621 # MinGW headers can be installed on Cygwin, so check for newlib first. 5622 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then 5623 eval ${pfx}libc_type=newlib 5624 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600 5625 # MinGW64 is backwards compatible with MinGW32, so check for it first. 5626 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then 5627 eval ${pfx}libc_type=mingw64 5628 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then 5629 add_compat msvcrt/snprintf.o 5630 add_cflags "-include $source_path/compat/msvcrt/snprintf.h" 5631 fi 5632 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 5633 eval test \$${pfx_no_}cc_type = "gcc" && 5634 add_${pfx}cppflags -D__printf__=__gnu_printf__ 5635 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" && 5636 add_${pfx}cppflags -D_WIN32_WINNT=0x0600 5637 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5638 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" || 5639 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then 5640 eval ${pfx}libc_type=mingw32 5641 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \ 5642 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" || 5643 die "ERROR: MinGW32 runtime version must be >= 3.15." 5644 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 5645 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" && 5646 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700 5647 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" && 5648 add_${pfx}cppflags -D_WIN32_WINNT=0x0600 5649 eval test \$${pfx_no_}cc_type = "gcc" && 5650 add_${pfx}cppflags -D__printf__=__gnu_printf__ 5651 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5652 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then 5653 eval ${pfx}libc_type=msvcrt 5654 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then 5655 if [ "$pfx" = host_ ]; then 5656 add_host_cppflags -Dsnprintf=_snprintf 5657 else 5658 add_compat strtod.o strtod=avpriv_strtod 5659 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \ 5660 _snprintf=avpriv_snprintf \ 5661 vsnprintf=avpriv_vsnprintf 5662 fi 5663 fi 5664 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS 5665 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to 5666 # 0x601 by default unless something else is set by the user. 5667 # This can easily lead to us detecting functions only present 5668 # in such new versions and producing binaries requiring windows 7.0. 5669 # Therefore explicitly set the default to Vista unless the user has 5670 # set something else on the command line. 5671 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop 5672 # family. For these cases, configure is free to use any functions 5673 # found in the SDK headers by default. (Alternatively, we could force 5674 # _WIN32_WINNT to 0x0602 in that case.) 5675 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" || 5676 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; } 5677#ifdef WINAPI_FAMILY 5678#include <winapifamily.h> 5679#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 5680#error not desktop 5681#endif 5682#endif 5683EOF 5684 if [ "$pfx" = "" ]; then 5685 check_func strtoll || add_cflags -Dstrtoll=_strtoi64 5686 check_func strtoull || add_cflags -Dstrtoull=_strtoui64 5687 fi 5688 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then 5689 eval ${pfx}libc_type=klibc 5690 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then 5691 eval ${pfx}libc_type=bionic 5692 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then 5693 eval ${pfx}libc_type=solaris 5694 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 5695 elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then 5696 eval ${pfx}libc_type=djgpp 5697 add_cppflags -U__STRICT_ANSI__ 5698 add_cflags "-include $source_path/compat/djgpp/math.h" 5699 add_compat djgpp/math.o 5700 fi 5701 test_${pfx}cc <<EOF 5702#include <time.h> 5703void *v = localtime_r; 5704EOF 5705test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 5706#include <time.h> 5707void *v = localtime_r; 5708EOF 5709 5710 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type} 5711} 5712 5713probe_libc 5714probe_libc host_ 5715 5716# hacks for compiler/libc/os combinations 5717 5718case $libc_type in 5719 bionic) 5720 add_compat strtod.o strtod=avpriv_strtod 5721 ;; 5722esac 5723 5724check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" || 5725 add_cppflags '-I\$(SRC_PATH)/compat/float' 5726 5727test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic 5728 5729set_default libdir 5730: ${shlibdir_default:="$libdir"} 5731: ${pkgconfigdir_default:="$libdir/pkgconfig"} 5732 5733set_default $PATHS_LIST 5734set_default nm 5735 5736disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer 5737 5738enable_weak_pic() { 5739 disabled pic && return 5740 enable pic 5741 add_cppflags -DPIC 5742 case "$target_os" in 5743 mingw*|cygwin*|win*) 5744 ;; 5745 *) 5746 add_cflags -fPIC 5747 add_asflags -fPIC 5748 ;; 5749 esac 5750} 5751 5752enabled pic && enable_weak_pic 5753 5754test_cc <<EOF || die "Symbol mangling check failed." 5755int ff_extern; 5756EOF 5757sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }') 5758extern_prefix=${sym%%ff_extern*} 5759 5760! disabled inline_asm && check_inline_asm inline_asm '"" ::' 5761 5762for restrict_keyword in restrict __restrict__ __restrict ""; do 5763 test_code cc "" "char * $restrict_keyword p" && break 5764done 5765 5766check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")' 5767 5768# The global variable ensures the bits appear unchanged in the object file. 5769test_cc <<EOF || die "endian test failed" 5770unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E'; 5771EOF 5772od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian 5773 5774check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }" 5775 5776if ! enabled ppc64 || enabled bigendian; then 5777 disable vsx 5778fi 5779 5780check_gas() { 5781 log "check_gas using '$as' as AS" 5782 # :vararg is used on aarch64, arm and ppc altivec 5783 check_as vararg " 5784.macro m n, y:vararg=0 5785\n: .int \y 5786.endm 5787m x" || return 1 5788 # .altmacro is only used in arm asm 5789 ! enabled arm || check_as gnu_as ".altmacro" 5790} 5791 5792if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then 5793 nogas=: 5794 enabled_any arm aarch64 && nogas=die 5795 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn 5796 as_noop=-v 5797 5798 case $as_type in 5799 arm*) gaspp_as_type=armasm; as_noop=-h ;; 5800 gcc) gaspp_as_type=gas ;; 5801 *) gaspp_as_type=$as_type ;; 5802 esac 5803 5804 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type" 5805 5806 test "${as#*gas-preprocessor.pl}" != "$as" || 5807 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop && 5808 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}" 5809 5810 if ! check_gas ; then 5811 as=${gas:=$as} 5812 check_gas || \ 5813 $nogas "GNU assembler not found, install/update gas-preprocessor" 5814 fi 5815 5816 check_as as_func ".func test 5817 .endfunc" 5818fi 5819 5820check_inline_asm inline_asm_labels '"1:\n"' 5821 5822check_inline_asm inline_asm_nonlocal_labels '"Label:\n"' 5823 5824if enabled aarch64; then 5825 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]' 5826 # internal assembler in clang 3.3 does not support this instruction 5827 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1' 5828 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2' 5829 5830 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM 5831 5832elif enabled alpha; then 5833 5834 check_cflags -mieee 5835 5836elif enabled arm; then 5837 5838 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT" 5839 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb 5840float func(float a, float b){ return a+b; } 5841EOF 5842 enabled thumb && check_cflags -mthumb || check_cflags -marm 5843 5844 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then 5845 : 5846 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then 5847 : 5848 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then 5849 case "${cross_prefix:-$cc}" in 5850 *hardfloat*) enable vfp_args; fpabi=vfp ;; 5851 *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;; 5852__asm__ (".eabi_attribute 28, 1"); 5853int main(void) { return 0; } 5854EOF 5855 esac 5856 warn "Compiler does not indicate floating-point ABI, guessing $fpabi." 5857 fi 5858 5859 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0' 5860 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0' 5861 enabled armv6t2 && check_insn armv6t2 'movt r0, #0' 5862 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0' 5863 enabled vfp && check_insn vfp 'fadds s0, s0, s0' 5864 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0' 5865 enabled setend && check_insn setend 'setend be' 5866 5867 [ $target_os = linux ] || [ $target_os = android ] || 5868 map 'enabled_any ${v}_external ${v}_inline || disable $v' \ 5869 $ARCH_EXT_LIST_ARM 5870 5871 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)' 5872 5873 check_as as_arch_directive ".arch armv7-a" 5874 check_as as_dn_directive "ra .dn d0.i16" 5875 check_as as_fpu_directive ".fpu neon" 5876 5877 # llvm's integrated assembler supports .object_arch from llvm 3.5 5878 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] && 5879 check_as as_object_arch ".object_arch armv4" 5880 5881 # MS armasm fails to assemble our PIC constructs 5882 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic 5883 5884elif enabled mips; then 5885 5886 # Check toolchain ISA level 5887 if enabled mips64; then 5888 enabled mips64r6 && check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' && 5889 disable mips64r2 5890 5891 enabled mips64r2 && check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' 5892 5893 disable mips32r6 && disable mips32r5 && disable mips32r2 5894 else 5895 enabled mips32r6 && check_inline_asm mips32r6 '"aui $0, $0, 0"' && 5896 disable mips32r5 && disable mips32r2 5897 5898 enabled mips32r5 && check_inline_asm mips32r5 '"eretnc"' 5899 enabled mips32r2 && check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' 5900 5901 disable mips64r6 && disable mips64r5 && disable mips64r2 5902 fi 5903 5904 enabled mipsfpu && check_inline_asm mipsfpu '"cvt.d.l $f0, $f2"' 5905 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64' 5906 5907 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp' 5908 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2' 5909 5910 # MSA and MSA2 can be detected at runtime so we supply extra flags here 5911 enabled mipsfpu && enabled msa && check_inline_asm msa '"addvi.b $w0, $w1, 1"' '-mmsa' && append MSAFLAGS '-mmsa' 5912 enabled msa && enabled msa2 && check_inline_asm msa2 '"nxbits.any.b $w0, $w0"' '-mmsa2' && append MSAFLAGS '-mmsa2' 5913 5914 # loongson2 have no switch cflag so we can only probe toolchain ability 5915 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"' && disable loongson3 5916 5917 # loongson3 is paired with MMI 5918 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"' '-mloongson-ext' && append MMIFLAGS '-mloongson-ext' 5919 5920 # MMI can be detected at runtime too 5921 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"' '-mloongson-mmi' && append MMIFLAGS '-mloongson-mmi' 5922 5923 if enabled bigendian && enabled msa; then 5924 disable msa 5925 fi 5926 5927elif enabled parisc; then 5928 5929 if enabled gcc; then 5930 case $($cc -dumpversion) in 5931 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;; 5932 esac 5933 fi 5934 5935elif enabled ppc; then 5936 5937 enable local_aligned 5938 5939 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)' 5940 check_inline_asm ibm_asm '"add 0, 0, 0"' 5941 check_inline_asm ppc4xx '"maclhw r10, r11, r12"' 5942 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)' 5943 5944 if enabled altivec; then 5945 check_cflags -maltivec -mabi=altivec 5946 5947 # check if our compiler supports Motorola AltiVec C API 5948 check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 }; 5949 vector signed int v2 = (vector signed int) { 1 }; 5950 v1 = vec_add(v1, v2);" 5951 5952 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag" 5953 fi 5954 5955 if enabled vsx; then 5956 check_cflags -mvsx && 5957 check_cc vsx altivec.h "int v[4] = { 0 }; 5958 vector signed int v1 = vec_vsx_ld(0, v);" 5959 fi 5960 5961 if enabled power8; then 5962 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)" 5963 fi 5964 5965elif enabled x86; then 5966 5967 check_builtin rdtsc intrin.h "__rdtsc()" 5968 check_builtin mm_empty mmintrin.h "_mm_empty()" 5969 5970 enable local_aligned 5971 5972 # check whether EBP is available on x86 5973 # As 'i' is stored on the stack, this program will crash 5974 # if the base pointer is used to access it because the 5975 # base pointer is cleared in the inline assembly code. 5976 check_exec_crash <<EOF && enable ebp_available 5977volatile int i=0; 5978__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp"); 5979return i; 5980EOF 5981 5982 # check whether EBX is available on x86 5983 check_inline_asm ebx_available '""::"b"(0)' && 5984 check_inline_asm ebx_available '"":::"%ebx"' 5985 5986 # check whether xmm clobbers are supported 5987 check_inline_asm xmm_clobbers '"":::"%xmm0"' 5988 5989 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' || 5990 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"' 5991 5992 # check whether binutils is new enough to compile SSSE3/MMXEXT 5993 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"' 5994 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"' 5995 5996 probe_x86asm(){ 5997 x86asmexe_probe=$1 5998 if test_cmd $x86asmexe_probe -v; then 5999 x86asmexe=$x86asmexe_probe 6000 x86asm_type=nasm 6001 x86asm_debug="-g -F dwarf" 6002 X86ASMDEP= 6003 X86ASM_DEPFLAGS='-MD $(@:.o=.d)' 6004 elif test_cmd $x86asmexe_probe --version; then 6005 x86asmexe=$x86asmexe_probe 6006 x86asm_type=yasm 6007 x86asm_debug="-g dwarf2" 6008 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)' 6009 X86ASM_DEPFLAGS= 6010 fi 6011 check_x86asm x86asm "movbe ecx, [5]" 6012 } 6013 6014 if ! disabled_any asm mmx x86asm; then 6015 disable x86asm 6016 for program in $x86asmexe nasm yasm; do 6017 probe_x86asm $program && break 6018 done 6019 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build." 6020 X86ASMFLAGS="-f $objformat" 6021 enabled pic && append X86ASMFLAGS "-DPIC" 6022 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX" 6023 case "$objformat" in 6024 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;; 6025 esac 6026 6027 enabled avx512 && check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0" 6028 enabled avx2 && check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0" 6029 enabled xop && check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3" 6030 enabled fma4 && check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3" 6031 check_x86asm cpunop "CPU amdnop" 6032 fi 6033 6034 case "$cpu" in 6035 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode) 6036 disable fast_clz 6037 ;; 6038 esac 6039 6040fi 6041 6042check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)" 6043 6044check_ldflags -Wl,--as-needed 6045check_ldflags -Wl,-z,noexecstack 6046 6047if ! disabled network; then 6048 check_func getaddrinfo $network_extralibs 6049 check_func inet_aton $network_extralibs 6050 6051 check_type netdb.h "struct addrinfo" 6052 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE 6053 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE 6054 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE 6055 check_type poll.h "struct pollfd" 6056 check_type netinet/sctp.h "struct sctp_event_subscribe" 6057 check_struct "sys/socket.h" "struct msghdr" msg_flags 6058 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len 6059 check_type netinet/in.h "struct sockaddr_in6" 6060 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage" 6061 check_type "sys/types.h sys/socket.h" socklen_t 6062 6063 # Prefer arpa/inet.h over winsock2 6064 if check_headers arpa/inet.h ; then 6065 check_func closesocket 6066 elif check_headers winsock2.h ; then 6067 check_func_headers winsock2.h closesocket -lws2 && 6068 network_extralibs="-lws2" || 6069 { check_func_headers winsock2.h closesocket -lws2_32 && 6070 network_extralibs="-lws2_32"; } || disable winsock2_h network 6071 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs 6072 6073 check_type ws2tcpip.h socklen_t 6074 check_type ws2tcpip.h "struct addrinfo" 6075 check_type ws2tcpip.h "struct group_source_req" 6076 check_type ws2tcpip.h "struct ip_mreq_source" 6077 check_type ws2tcpip.h "struct ipv6_mreq" 6078 check_type winsock2.h "struct pollfd" 6079 check_struct winsock2.h "struct sockaddr" sa_len 6080 check_type ws2tcpip.h "struct sockaddr_in6" 6081 check_type ws2tcpip.h "struct sockaddr_storage" 6082 else 6083 disable network 6084 fi 6085fi 6086 6087check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)" 6088check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()" 6089check_builtin MemoryBarrier windows.h "MemoryBarrier()" 6090check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)" 6091check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)" 6092check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)" 6093check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR" 6094 6095case "$custom_allocator" in 6096 jemalloc) 6097 # jemalloc by default does not use a prefix 6098 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc 6099 ;; 6100 tcmalloc) 6101 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc 6102 malloc_prefix=tc_ 6103 ;; 6104esac 6105 6106check_func_headers malloc.h _aligned_malloc && enable aligned_malloc 6107check_func ${malloc_prefix}memalign && enable memalign 6108check_func ${malloc_prefix}posix_memalign && enable posix_memalign 6109 6110check_func access 6111check_func_headers stdlib.h arc4random 6112check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt 6113check_func fcntl 6114check_func fork 6115check_func gethrtime 6116check_func getopt 6117check_func getrusage 6118check_func gettimeofday 6119check_func isatty 6120check_func mkstemp 6121check_func mmap 6122check_func mprotect 6123# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that 6124check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt 6125check_func sched_getaffinity 6126check_func setrlimit 6127check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE 6128check_func strerror_r 6129check_func sysconf 6130check_func sysctl 6131check_func usleep 6132 6133check_func_headers conio.h kbhit 6134check_func_headers io.h setmode 6135check_func_headers lzo/lzo1x.h lzo1x_999_compress 6136check_func_headers mach/mach_time.h mach_absolute_time 6137check_func_headers stdlib.h getenv 6138check_func_headers sys/stat.h lstat 6139 6140check_func_headers windows.h GetModuleHandle 6141check_func_headers windows.h GetProcessAffinityMask 6142check_func_headers windows.h GetProcessTimes 6143check_func_headers windows.h GetStdHandle 6144check_func_headers windows.h GetSystemTimeAsFileTime 6145check_func_headers windows.h LoadLibrary 6146check_func_headers windows.h MapViewOfFile 6147check_func_headers windows.h PeekNamedPipe 6148check_func_headers windows.h SetConsoleTextAttribute 6149check_func_headers windows.h SetConsoleCtrlHandler 6150check_func_headers windows.h SetDllDirectory 6151check_func_headers windows.h Sleep 6152check_func_headers windows.h VirtualAlloc 6153check_func_headers glob.h glob 6154enabled xlib && 6155 check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext 6156 6157check_headers direct.h 6158check_headers dirent.h 6159check_headers dxgidebug.h 6160check_headers dxva.h 6161check_headers dxva2api.h -D_WIN32_WINNT=0x0600 6162check_headers io.h 6163enabled libdrm && 6164 check_headers linux/dma-buf.h 6165 6166check_headers linux/perf_event.h 6167check_headers libcrystalhd/libcrystalhd_if.h 6168check_headers malloc.h 6169check_headers mftransform.h 6170check_headers net/udplite.h 6171check_headers poll.h 6172check_headers sys/param.h 6173check_headers sys/resource.h 6174check_headers sys/select.h 6175check_headers sys/time.h 6176check_headers sys/un.h 6177check_headers termios.h 6178check_headers unistd.h 6179check_headers valgrind/valgrind.h 6180check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox 6181check_headers windows.h 6182check_headers X11/extensions/XvMClib.h 6183check_headers asm/types.h 6184 6185# it seems there are versions of clang in some distros that try to use the 6186# gcc headers, which explodes for stdatomic 6187# so we also check that atomics actually work here 6188check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar" 6189 6190check_lib advapi32 "windows.h" RegCloseKey -ladvapi32 6191check_lib bcrypt "windows.h bcrypt.h" BCryptGenRandom -lbcrypt && 6192 check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM" 6193check_lib ole32 "windows.h" CoTaskMemFree -lole32 6194check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32 6195check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi 6196 6197check_lib android android/native_window.h ANativeWindow_acquire -landroid 6198check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk 6199check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk 6200 6201enabled appkit && check_apple_framework AppKit 6202enabled audiotoolbox && check_apple_framework AudioToolbox 6203enabled avfoundation && check_apple_framework AVFoundation 6204enabled coreimage && check_apple_framework CoreImage 6205enabled videotoolbox && check_apple_framework VideoToolbox 6206 6207check_apple_framework CoreFoundation 6208check_apple_framework CoreMedia 6209check_apple_framework CoreVideo 6210check_apple_framework CoreAudio 6211 6212enabled avfoundation && { 6213 disable coregraphics applicationservices 6214 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" || 6215 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; } 6216 6217enabled videotoolbox && { 6218 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices" 6219 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia" 6220 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVCWithAlpha "-framework CoreMedia" 6221 check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange "-framework CoreVideo" 6222 check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ "-framework CoreVideo" 6223 check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_ITU_R_2100_HLG "-framework CoreVideo" 6224 check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_Linear "-framework CoreVideo" 6225} 6226 6227check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss 6228 6229check_type "windows.h dxva.h" "DXVA_PicParams_AV1" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0 6230check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0 6231check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0 6232check_type "windows.h d3d11.h" "ID3D11VideoDecoder" 6233check_type "windows.h d3d11.h" "ID3D11VideoContext" 6234check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602 6235check_func_headers mfapi.h MFCreateAlignedMemoryBuffer -lmfplat 6236 6237check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC" 6238check_type "vdpau/vdpau.h" "VdpPictureInfoVP9" 6239 6240if [ -z "$nvccflags" ]; then 6241 nvccflags=$nvccflags_default 6242fi 6243 6244if enabled x86_64 || enabled ppc64 || enabled aarch64; then 6245 nvccflags="$nvccflags -m64" 6246else 6247 nvccflags="$nvccflags -m32" 6248fi 6249 6250if enabled cuda_nvcc; then 6251 nvccflags="$nvccflags -ptx" 6252else 6253 nvccflags="$nvccflags -S -nocudalib -nocudainc --cuda-device-only -Wno-c++11-narrowing -include ${source_link}/compat/cuda/cuda_runtime.h" 6254 check_nvcc cuda_llvm 6255fi 6256 6257if ! disabled ffnvcodec; then 6258 ffnv_hdr_list="ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" 6259 check_pkg_config ffnvcodec "ffnvcodec >= 9.1.23.1" "$ffnv_hdr_list" "" || \ 6260 check_pkg_config ffnvcodec "ffnvcodec >= 9.0.18.3 ffnvcodec < 9.1" "$ffnv_hdr_list" "" || \ 6261 check_pkg_config ffnvcodec "ffnvcodec >= 8.2.15.10 ffnvcodec < 8.3" "$ffnv_hdr_list" "" || \ 6262 check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.11 ffnvcodec < 8.2" "$ffnv_hdr_list" "" 6263fi 6264 6265check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" 6266 6267if ! disabled w32threads && ! enabled pthreads; then 6268 check_func_headers "windows.h process.h" _beginthreadex && 6269 check_type "windows.h" CONDITION_VARIABLE && 6270 check_type "windows.h" INIT_ONCE && 6271 enable w32threads || disable w32threads 6272 if ! enabled w32threads && enabled winrt; then 6273 check_func_headers "windows.h" CreateThread && 6274 enable w32threads || disable w32threads 6275 fi 6276fi 6277 6278# check for some common methods of building with pthread support 6279# do this before the optional library checks as some of them require pthreads 6280if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then 6281 if check_lib pthreads pthread.h pthread_join -pthread && 6282 check_lib pthreads pthread.h pthread_create -pthread; then 6283 add_cflags -pthread 6284 elif check_lib pthreads pthread.h pthread_join -pthreads && 6285 check_lib pthreads pthread.h pthread_create -pthreads; then 6286 add_cflags -pthreads 6287 elif check_lib pthreads pthread.h pthread_join -ldl -pthread && 6288 check_lib pthreads pthread.h pthread_create -ldl -pthread; then 6289 add_cflags -ldl -pthread 6290 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 && 6291 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then 6292 : 6293 elif check_lib pthreads pthread.h pthread_join -lpthread && 6294 check_lib pthreads pthread.h pthread_create -lpthread; then 6295 : 6296 elif check_func pthread_join && check_func pthread_create; then 6297 enable pthreads 6298 fi 6299 check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" 6300 6301 if enabled pthreads; then 6302 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs 6303 check_func pthread_cancel $pthreads_extralibs 6304 fi 6305fi 6306 6307enabled zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion || 6308 check_lib zlib zlib.h zlibVersion -lz; } 6309enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2 6310enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma 6311 6312# On some systems dynamic loading requires no extra linker flags 6313check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl 6314 6315check_lib libm math.h sin -lm 6316 6317atan2f_args=2 6318copysign_args=2 6319hypot_args=2 6320ldexpf_args=2 6321powf_args=2 6322 6323for func in $MATH_FUNCS; do 6324 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs 6325done 6326 6327for func in $COMPLEX_FUNCS; do 6328 eval check_complexfunc $func \${${func}_args:-1} 6329done 6330 6331# these are off by default, so fail if requested and not available 6332enabled avisynth && require_headers "avisynth/avisynth_c.h" 6333enabled cuda_nvcc && { check_nvcc cuda_nvcc || die "ERROR: failed checking for nvcc."; } 6334enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint 6335enabled decklink && { require_headers DeckLinkAPI.h && 6336 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a0a0000" || die "ERROR: Decklink API version must be >= 10.10"; } } 6337enabled frei0r && require_headers "frei0r.h dlfcn.h" 6338enabled gmp && require gmp gmp.h mpz_export -lgmp 6339enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init 6340enabled jni && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; } 6341enabled ladspa && require_headers "ladspa.h dlfcn.h" 6342enabled libaom && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version 6343enabled libaribb24 && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new || 6344 { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } || 6345 die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; } 6346enabled lv2 && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new 6347enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883 6348enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init 6349enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open 6350enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open 6351enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 && 6352 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 || 6353 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; } 6354enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas 6355enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2 6356enabled libdav1d && require_pkg_config libdav1d "dav1d >= 0.5.0" "dav1d/dav1d.h" dav1d_version 6357enabled libdavs2 && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open 6358enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new 6359enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion 6360enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen || 6361 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac && 6362 warn "using libfdk without pkg-config"; } } 6363flite_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" 6364enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs 6365enabled fontconfig && enable libfontconfig 6366enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit 6367enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType 6368enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info 6369enabled libglslang && require_cpp libglslang glslang/SPIRV/GlslangToSpv.h "glslang::TIntermediate*" -lglslang -lMachineIndependent -lOSDependent -lHLSL -lOGLCompiler -lGenericCodeGen -lSPVRemapper -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lpthread -lstdc++ 6370enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu || 6371 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; } 6372enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do 6373 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break; 6374 done || die "ERROR: libgsm not found"; } 6375enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs 6376enabled libklvanc && require libklvanc libklvanc/vanc.h klvanc_context_create -lklvanc 6377enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get 6378enabled liblensfun && require_pkg_config liblensfun lensfun lensfun.h lf_db_new 6379# While it may appear that require is being used as a pkg-config 6380# fallback for libmfx, it is actually being used to detect a different 6381# installation route altogether. If libmfx is installed via the Intel 6382# Media SDK or Intel Media Server Studio, these don't come with 6383# pkg-config support. Instead, users should make sure that the build 6384# can find the libraries and headers through other means. 6385enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit || 6386 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } } 6387if enabled libmfx; then 6388 check_cc MFX_CODEC_VP9 "mfx/mfxvp9.h mfx/mfxstructures.h" "MFX_CODEC_VP9" 6389fi 6390 6391enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load 6392enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs 6393enabled libmysofa && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine || 6394 require libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine -lmysofa $zlib_extralibs; } 6395enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei || 6396 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei || 6397 die "ERROR: libnpp not found"; } 6398enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb 6399enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb 6400enabled libopencv && { check_headers opencv2/core/core_c.h && 6401 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader || 6402 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } || 6403 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; } 6404enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion 6405enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version || 6406 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } } 6407enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++" 6408enabled libopenvino && require libopenvino c_api/ie_c_api.h ie_c_api_version -linference_engine_c_api 6409enabled libopus && { 6410 enabled libopus_decoder && { 6411 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create 6412 } 6413 enabled libopus_encoder && { 6414 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create 6415 } 6416} 6417enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new 6418enabled librabbitmq && require_pkg_config librabbitmq "librabbitmq >= 0.7.1" amqp.h amqp_new_connection 6419enabled librav1e && require_pkg_config librav1e "rav1e >= 0.4.0" rav1e.h rav1e_context_new 6420enabled librist && require_pkg_config librist "librist >= 0.2" librist/librist.h rist_receiver_create 6421enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo 6422enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket 6423enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++" 6424enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer 6425enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init || 6426 require libsmbclient libsmbclient.h smbc_init -lsmbclient; } 6427enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++ 6428enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr 6429enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init 6430enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init 6431enabled libsrt && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket 6432enabled libsvtav1 && require_pkg_config libsvtav1 "SvtAv1Enc >= 0.8.4" EbSvtAv1Enc.h svt_av1_enc_init_handle 6433enabled libtensorflow && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow 6434enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate 6435enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg 6436enabled libtls && require_pkg_config libtls libtls tls.h tls_configure 6437enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame && 6438 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame || 6439 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; } 6440enabled libuavs3d && require_pkg_config libuavs3d "uavs3d >= 1.1.41" uavs3d.h uavs3d_decode 6441enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl 6442enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit 6443enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 1.5.2" libvmaf.h compute_vmaf 6444enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc 6445enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init && 6446 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init 6447 6448enabled libvpx && { 6449 enabled libvpx_vp8_decoder && { 6450 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx || 6451 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" 6452 } 6453 enabled libvpx_vp8_encoder && { 6454 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx || 6455 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" 6456 } 6457 enabled libvpx_vp9_decoder && { 6458 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx || 6459 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" 6460 } 6461 enabled libvpx_vp9_encoder && { 6462 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx || 6463 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" 6464 } 6465 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then 6466 die "libvpx enabled but no supported decoders found" 6467 fi 6468} 6469 6470enabled libwebp && { 6471 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion 6472 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; } 6473enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode || 6474 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" && 6475 warn "using libx264 without pkg-config"; } } && 6476 require_cpp_condition libx264 x264.h "X264_BUILD >= 118" && 6477 check_cpp_condition libx262 x264.h "X264_MPEG2" 6478enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get && 6479 require_cpp_condition libx265 x265.h "X265_BUILD >= 70" 6480enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs" 6481enabled libxavs2 && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get 6482enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore 6483enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version 6484enabled libzmq && require_pkg_config libzmq "libzmq >= 4.2.1" zmq.h zmq_ctx_new 6485enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new && 6486 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" || 6487 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; } 6488enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion 6489enabled mbedtls && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init || 6490 check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init || 6491 check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto || 6492 die "ERROR: mbedTLS not found"; } 6493enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; } 6494enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host || 6495 { ! enabled cross_compile && 6496 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline && 6497 add_ldflags -L/opt/vc/lib/ && 6498 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } || 6499 die "ERROR: mmal not found" && 6500 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; } 6501enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do 6502 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } || 6503 die "ERROR: openal not found"; } && 6504 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" || 6505 die "ERROR: openal must be installed and version must be 1.1 or compatible"; } 6506enabled opencl && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel || 6507 check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL || 6508 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL || 6509 die "ERROR: opencl not found"; } && 6510 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" || 6511 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" || 6512 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; } 6513enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" || 6514 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" || 6515 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" || 6516 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" || 6517 die "ERROR: opengl not found." 6518 } 6519enabled omx_rpi && { test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame || 6520 { ! enabled cross_compile && 6521 add_cflags -isystem/opt/vc/include/IL && 6522 test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame; } || 6523 die "ERROR: OpenMAX IL headers from raspberrypi/firmware not found"; } && 6524 enable omx 6525enabled omx && require_headers OMX_Core.h 6526enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl || 6527 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init || 6528 check_lib openssl openssl/ssl.h OPENSSL_init_ssl -lssl -lcrypto || 6529 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto || 6530 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 || 6531 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 || 6532 die "ERROR: openssl not found"; } 6533enabled pocketsphinx && require_pkg_config pocketsphinx pocketsphinx pocketsphinx/pocketsphinx.h ps_init 6534enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create && 6535 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create && 6536 { enabled libdrm || 6537 die "ERROR: rkmpp requires --enable-libdrm"; } 6538 } 6539enabled vapoursynth && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init 6540 6541 6542if enabled gcrypt; then 6543 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config" 6544 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then 6545 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags) 6546 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs) 6547 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs || 6548 die "ERROR: gcrypt not found" 6549 add_cflags $gcrypt_cflags 6550 else 6551 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt 6552 fi 6553fi 6554 6555if enabled sdl2; then 6556 SDL2_CONFIG="${cross_prefix}sdl2-config" 6557 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent 6558 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then 6559 sdl2_cflags=$("${SDL2_CONFIG}" --cflags) 6560 sdl2_extralibs=$("${SDL2_CONFIG}" --libs) 6561 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags && 6562 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags && 6563 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags && 6564 enable sdl2 6565 fi 6566 if test $target_os = "mingw32"; then 6567 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs) 6568 fi 6569fi 6570 6571if enabled decklink; then 6572 case $target_os in 6573 mingw32*|mingw64*|win32|win64) 6574 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32" 6575 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32" 6576 ;; 6577 esac 6578fi 6579 6580enabled securetransport && 6581 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" && 6582 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" || 6583 disable securetransport 6584 6585enabled securetransport && 6586 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security" 6587 6588enabled schannel && 6589 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 && 6590 test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && 6591 schannel_extralibs="-lsecur32" || 6592 disable schannel 6593 6594makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo 6595enabled makeinfo \ 6596 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \ 6597 && enable makeinfo_html || disable makeinfo_html 6598disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html 6599perl -v > /dev/null 2>&1 && enable perl || disable perl 6600pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man 6601rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout 6602 6603# check V4L2 codecs available in the API 6604if enabled v4l2_m2m; then 6605 check_headers linux/fb.h 6606 check_headers linux/videodev2.h 6607 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete 6608 check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" 6609 check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" 6610 check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" 6611 check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" 6612 check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" 6613 check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" 6614 check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" 6615 check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" 6616 check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" 6617 check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" 6618fi 6619 6620check_headers sys/videoio.h 6621test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete 6622 6623check_lib user32 "windows.h winuser.h" GetShellWindow -luser32 6624check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32 6625# check that WM_CAP_DRIVER_CONNECT is defined to the proper value 6626# w32api 3.12 had it defined wrong 6627check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" 6628 6629check_type "dshow.h" IBaseFilter 6630 6631# check for ioctl_meteor.h, ioctl_bt848.h and alternatives 6632check_headers "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" || 6633 check_headers "machine/ioctl_meteor.h machine/ioctl_bt848.h" || 6634 check_headers "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" || 6635 check_headers "dev/ic/bt8xx.h" 6636 6637if check_struct sys/soundcard.h audio_buf_info bytes; then 6638 enable_sanitized sys/soundcard.h 6639else 6640 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h 6641 #include <sys/soundcard.h> 6642 audio_buf_info abc; 6643EOF 6644fi 6645 6646enabled alsa && { check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp || 6647 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound; } 6648 6649enabled libjack && 6650 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range 6651 6652enabled sndio && check_lib sndio sndio.h sio_open -lsndio 6653 6654if enabled libcdio; then 6655 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open || 6656 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open || 6657 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || 6658 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || 6659 die "ERROR: No usable libcdio/cdparanoia found" 6660fi 6661 6662enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect || 6663 disable libxcb_shm libxcb_shape libxcb_xfixes 6664 6665if enabled libxcb; then 6666 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach 6667 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles 6668 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image 6669fi 6670 6671check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs" 6672 6673# d3d11va requires linking directly to dxgi and d3d11 if not building for 6674# the desktop api partition 6675test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11" 6676#ifdef WINAPI_FAMILY 6677#include <winapifamily.h> 6678#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 6679#error desktop, not uwp 6680#else 6681// WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP 6682#endif 6683#else 6684#error no family set 6685#endif 6686EOF 6687 6688enabled libdrm && 6689 check_pkg_config libdrm_getfb2 libdrm "xf86drmMode.h" drmModeGetFB2 6690 6691enabled vaapi && 6692 check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize 6693 6694if enabled vaapi; then 6695 check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM 6696 6697 if enabled xlib; then 6698 check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay 6699 fi 6700 6701 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" 6702 6703 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC" 6704 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth 6705 check_struct "va/va.h" "VADecPictureParameterBufferAV1" bit_depth_idx 6706 check_type "va/va.h va/va_vpp.h" "VAProcFilterParameterBufferHDRToneMapping" 6707 check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags 6708 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC" 6709 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG" 6710 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8" 6711 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9" 6712fi 6713 6714if enabled_all opencl libdrm ; then 6715 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" && 6716 enable opencl_drm_beignet 6717 check_func_headers "CL/cl_ext.h" clImportMemoryARM && 6718 enable opencl_drm_arm 6719fi 6720 6721if enabled_all opencl vaapi ; then 6722 if enabled opencl_drm_beignet ; then 6723 enable opencl_vaapi_beignet 6724 else 6725 check_type "CL/cl.h CL/cl_va_api_media_sharing_intel.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" && 6726 enable opencl_vaapi_intel_media 6727 fi 6728fi 6729 6730if enabled_all opencl dxva2 ; then 6731 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr && 6732 enable opencl_dxva2 6733fi 6734 6735if enabled_all opencl d3d11va ; then 6736 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn && 6737 enable opencl_d3d11 6738fi 6739 6740enabled vdpau && 6741 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" 6742 6743enabled vdpau && 6744 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11 6745 6746enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd 6747 6748enabled vulkan && 6749 require_pkg_config vulkan "vulkan >= 1.1.97" "vulkan/vulkan.h" vkCreateInstance 6750 6751if enabled x86; then 6752 case $target_os in 6753 mingw32*|mingw64*|win32|win64|linux|cygwin*) 6754 ;; 6755 *) 6756 disable ffnvcodec cuvid nvdec nvenc 6757 ;; 6758 esac 6759elif enabled_any aarch64 ppc64 && ! enabled bigendian; then 6760 case $target_os in 6761 linux) 6762 ;; 6763 *) 6764 disable ffnvcodec cuvid nvdec nvenc 6765 ;; 6766 esac 6767else 6768 disable ffnvcodec cuvid nvdec nvenc 6769fi 6770 6771enabled ffnvcodec && enable cuda 6772 6773enabled nvenc && 6774 test_cc -I$source_path <<EOF || disable nvenc 6775#include <ffnvcodec/nvEncodeAPI.h> 6776NV_ENCODE_API_FUNCTION_LIST flist; 6777void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; } 6778int main(void) { return 0; } 6779EOF 6780 6781if enabled_any nvdec cuvid; then 6782 check_type "ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h" "CUVIDAV1PICPARAMS" 6783fi 6784 6785enabled amf && 6786 check_cpp_condition amf "AMF/core/Version.h" \ 6787 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400090000" 6788 6789# Funny iconv installations are not unusual, so check it after all flags have been set 6790if enabled libc_iconv; then 6791 check_func_headers iconv.h iconv 6792elif enabled iconv; then 6793 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv 6794fi 6795 6796enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel" 6797 6798# add some useful compiler flags if supported 6799check_cflags -Wdeclaration-after-statement 6800check_cflags -Wall 6801check_cflags -Wdisabled-optimization 6802check_cflags -Wpointer-arith 6803check_cflags -Wredundant-decls 6804check_cflags -Wwrite-strings 6805check_cflags -Wtype-limits 6806check_cflags -Wundef 6807check_cflags -Wmissing-prototypes 6808check_cflags -Wno-pointer-to-int-cast 6809check_cflags -Wstrict-prototypes 6810check_cflags -Wempty-body 6811 6812if enabled extra_warnings; then 6813 check_cflags -Wcast-qual 6814 check_cflags -Wextra 6815 check_cflags -Wpedantic 6816fi 6817 6818check_disable_warning(){ 6819 warning_flag=-W${1#-Wno-} 6820 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1 6821} 6822 6823test_cflags -Werror=unused-command-line-argument && 6824 append unknown_warning_flags "-Werror=unused-command-line-argument" 6825test_cflags -Werror=unknown-warning-option && 6826 append unknown_warning_flags "-Werror=unknown-warning-option" 6827 6828check_disable_warning -Wno-parentheses 6829check_disable_warning -Wno-switch 6830check_disable_warning -Wno-format-zero-length 6831check_disable_warning -Wno-pointer-sign 6832check_disable_warning -Wno-unused-const-variable 6833check_disable_warning -Wno-bool-operation 6834check_disable_warning -Wno-char-subscripts 6835 6836check_disable_warning_headers(){ 6837 warning_flag=-W${1#-Wno-} 6838 test_cflags $warning_flag && add_cflags_headers $1 6839} 6840 6841check_disable_warning_headers -Wno-deprecated-declarations 6842check_disable_warning_headers -Wno-unused-variable 6843 6844test_cc <<EOF && enable blocks_extension 6845void (^block)(void); 6846EOF 6847 6848# add some linker flags 6849check_ldflags -Wl,--warn-common 6850check_ldflags -Wl,-rpath-link=:libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample 6851enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir 6852test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic 6853 6854# add some strip flags 6855check_stripflags -x 6856 6857enabled neon_clobber_test && 6858 check_ldflags -Wl,--wrap,avcodec_open2 \ 6859 -Wl,--wrap,avcodec_decode_audio4 \ 6860 -Wl,--wrap,avcodec_decode_video2 \ 6861 -Wl,--wrap,avcodec_decode_subtitle2 \ 6862 -Wl,--wrap,avcodec_encode_audio2 \ 6863 -Wl,--wrap,avcodec_encode_video2 \ 6864 -Wl,--wrap,avcodec_encode_subtitle \ 6865 -Wl,--wrap,avcodec_send_packet \ 6866 -Wl,--wrap,avcodec_receive_packet \ 6867 -Wl,--wrap,avcodec_send_frame \ 6868 -Wl,--wrap,avcodec_receive_frame \ 6869 -Wl,--wrap,swr_convert \ 6870 -Wl,--wrap,avresample_convert || 6871 disable neon_clobber_test 6872 6873enabled xmm_clobber_test && 6874 check_ldflags -Wl,--wrap,avcodec_open2 \ 6875 -Wl,--wrap,avcodec_decode_audio4 \ 6876 -Wl,--wrap,avcodec_decode_video2 \ 6877 -Wl,--wrap,avcodec_decode_subtitle2 \ 6878 -Wl,--wrap,avcodec_encode_audio2 \ 6879 -Wl,--wrap,avcodec_encode_video2 \ 6880 -Wl,--wrap,avcodec_encode_subtitle \ 6881 -Wl,--wrap,avcodec_send_packet \ 6882 -Wl,--wrap,avcodec_receive_packet \ 6883 -Wl,--wrap,avcodec_send_frame \ 6884 -Wl,--wrap,avcodec_receive_frame \ 6885 -Wl,--wrap,swr_convert \ 6886 -Wl,--wrap,avresample_convert \ 6887 -Wl,--wrap,sws_scale || 6888 disable xmm_clobber_test 6889 6890check_ld "cc" proper_dce <<EOF 6891extern const int array[512]; 6892static inline int func(void) { return array[0]; } 6893int main(void) { return 0; } 6894EOF 6895 6896if enabled proper_dce; then 6897 echo "X { local: *; };" > $TMPV 6898 if test_ldflags -Wl,${version_script},$TMPV; then 6899 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver' 6900 quotes='""' 6901 test_cc <<EOF && enable symver_asm_label 6902void ff_foo(void) __asm__ ("av_foo@VERSION"); 6903void ff_foo(void) { ${inline_asm+__asm__($quotes);} } 6904EOF 6905 test_cc <<EOF && enable symver_gnu_asm 6906__asm__(".symver ff_foo,av_foo@VERSION"); 6907void ff_foo(void) {} 6908EOF 6909 fi 6910fi 6911 6912if [ -z "$optflags" ]; then 6913 if enabled small; then 6914 optflags=$cflags_size 6915 elif enabled optimizations; then 6916 optflags=$cflags_speed 6917 else 6918 optflags=$cflags_noopt 6919 fi 6920fi 6921 6922check_optflags(){ 6923 check_cflags "$@" 6924 enabled lto && check_ldflags "$@" 6925} 6926 6927check_optflags $optflags 6928check_optflags -fno-math-errno 6929check_optflags -fno-signed-zeros 6930 6931if enabled lto; then 6932 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker" 6933 check_cflags -flto 6934 check_ldflags -flto $cpuflags 6935 disable inline_asm_direct_symbol_refs 6936fi 6937 6938enabled ftrapv && check_cflags -ftrapv 6939 6940test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone" 6941int x; 6942EOF 6943 6944 6945if enabled icc; then 6946 # Just warnings, no remarks 6947 check_cflags -w1 6948 # -wd: Disable following warnings 6949 # 144, 167, 556: -Wno-pointer-sign 6950 # 188: enumerated type mixed with another type 6951 # 1292: attribute "foo" ignored 6952 # 1419: external declaration in primary source file 6953 # 10006: ignoring unknown option -fno-signed-zeros 6954 # 10148: ignoring unknown option -Wno-parentheses 6955 # 10156: ignoring option '-W'; no argument required 6956 # 13200: No EMMS instruction before call to function 6957 # 13203: No EMMS instruction before return from function 6958 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203 6959 # 11030: Warning unknown option --as-needed 6960 # 10156: ignoring option '-export'; no argument required 6961 check_ldflags -wd10156,11030 6962 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test 6963 enable ebp_available 6964 # The test above does not test linking 6965 enabled lto && disable symver_asm_label 6966 if enabled x86_32; then 6967 icc_version=$($cc -dumpversion) 6968 test ${icc_version%%.*} -ge 11 && 6969 check_cflags -falign-stack=maintain-16-byte || 6970 disable aligned_stack 6971 fi 6972elif enabled gcc; then 6973 check_optflags -fno-tree-vectorize 6974 check_cflags -Werror=format-security 6975 check_cflags -Werror=implicit-function-declaration 6976 check_cflags -Werror=missing-prototypes 6977 check_cflags -Werror=return-type 6978 check_cflags -Werror=vla 6979 check_cflags -Wformat 6980 check_cflags -fdiagnostics-color=auto 6981 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized 6982 if enabled x86_32; then 6983 case $target_os in 6984 *bsd*) 6985 # BSDs don't guarantee a 16 byte aligned stack, but we can 6986 # request GCC to try to maintain 16 byte alignment throughout 6987 # function calls. Library entry points that might call assembly 6988 # functions align the stack. (The parameter means 2^4 bytes.) 6989 check_cflags -mpreferred-stack-boundary=4 6990 ;; 6991 esac 6992 fi 6993elif enabled llvm_gcc; then 6994 check_cflags -mllvm -stack-alignment=16 6995elif enabled clang; then 6996 if enabled x86_32; then 6997 # Clang doesn't support maintaining alignment without assuming the 6998 # same alignment in every function. If 16 byte alignment would be 6999 # enabled, one would also have to either add attribute_align_arg on 7000 # every single entry point into the libraries or enable -mstackrealign 7001 # (doing stack realignment in every single function). 7002 case $target_os in 7003 mingw32|win32|*bsd*) 7004 disable aligned_stack 7005 ;; 7006 *) 7007 check_cflags -mllvm -stack-alignment=16 7008 check_cflags -mstack-alignment=16 7009 ;; 7010 esac 7011 else 7012 check_cflags -mllvm -stack-alignment=16 7013 check_cflags -mstack-alignment=16 7014 fi 7015 check_cflags -Qunused-arguments 7016 check_cflags -Werror=implicit-function-declaration 7017 check_cflags -Werror=missing-prototypes 7018 check_cflags -Werror=return-type 7019elif enabled cparser; then 7020 add_cflags -Wno-missing-variable-declarations 7021 add_cflags -Wno-empty-statement 7022elif enabled armcc; then 7023 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat 7024 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir 7025 # 2523: use of inline assembly is deprecated 7026 add_cflags -W${armcc_opt},--diag_suppress=2523 7027 add_cflags -W${armcc_opt},--diag_suppress=1207 7028 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition 7029 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat 7030 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign 7031 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign 7032elif enabled pathscale; then 7033 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF 7034 disable inline_asm 7035elif enabled_any msvc icl; then 7036 enabled x86_32 && disable aligned_stack 7037 enabled_all x86_32 debug && add_cflags -Oy- 7038 enabled debug && add_ldflags -debug 7039 enable pragma_deprecated 7040 if enabled icl; then 7041 # -Qansi-alias is basically -fstrict-aliasing, but does not work 7042 # (correctly) on icl 13.x. 7043 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" && 7044 add_cflags -Qansi-alias 7045 # Some inline asm is not compilable in debug 7046 if enabled debug; then 7047 disable ebp_available 7048 disable ebx_available 7049 fi 7050 fi 7051 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2. 7052 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" 7053 # The CRT headers contain __declspec(restrict) in a few places, but if redefining 7054 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict) 7055 # (as it ends up if the restrict redefine is done before including stdlib.h), while 7056 # MSVC 2013 and newer can handle it fine. 7057 # If this declspec fails, force including stdlib.h before the restrict redefinition 7058 # happens in config.h. 7059 if [ $restrict_keyword != restrict ]; then 7060 test_cc <<EOF || add_cflags -FIstdlib.h 7061__declspec($restrict_keyword) void *foo(int); 7062EOF 7063 fi 7064 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code 7065 # Issue has been fixed in MSVC v19.00.24218. 7066 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" || 7067 check_cflags -d2SSAOptimizer- 7068 # enable utf-8 source processing on VS2015 U2 and newer 7069 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" && 7070 add_cflags -utf-8 7071fi 7072 7073for pfx in "" host_; do 7074 varname=${pfx%_}cc_type 7075 eval "type=\$$varname" 7076 if [ "$type" = "msvc" ]; then 7077 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline 7078static inline int foo(int a) { return a; } 7079EOF 7080 fi 7081done 7082 7083case $as_type in 7084 clang) 7085 add_asflags -Qunused-arguments 7086 ;; 7087esac 7088 7089case $ld_type in 7090 clang) 7091 check_ldflags -Qunused-arguments 7092 ;; 7093esac 7094 7095enable frame_thread_encoder 7096 7097enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; } 7098 7099check_deps $CONFIG_LIST \ 7100 $CONFIG_EXTRA \ 7101 $HAVE_LIST \ 7102 $ALL_COMPONENTS \ 7103 7104enabled 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" 7105enabled avresample && warn "Building with deprecated library libavresample" 7106 7107case $target_os in 7108haiku) 7109 disable memalign 7110 disable posix_memalign 7111 ;; 7112*-dos|freedos|opendos) 7113 if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then 7114 disable memalign 7115 fi 7116 ;; 7117esac 7118 7119flatten_extralibs(){ 7120 nested_entries= 7121 list_name=$1 7122 eval list=\$${1} 7123 for entry in $list; do 7124 entry_copy=$entry 7125 resolve entry_copy 7126 flat_entries= 7127 for e in $entry_copy; do 7128 case $e in 7129 *_extralibs) nested_entries="$nested_entries$e ";; 7130 *) flat_entries="$flat_entries$e ";; 7131 esac 7132 done 7133 eval $entry="\$flat_entries" 7134 done 7135 append $list_name "$nested_entries" 7136 7137 resolve nested_entries 7138 if test -n "$(filter '*_extralibs' $nested_entries)"; then 7139 flatten_extralibs $list_name 7140 fi 7141} 7142 7143flatten_extralibs_wrapper(){ 7144 list_name=$1 7145 flatten_extralibs $list_name 7146 unique $list_name 7147 resolve $list_name 7148 eval $list_name=\$\(\$ldflags_filter \$$list_name\) 7149 eval printf \''%s'\' \""\$$list_name"\" 7150} 7151 7152for linkunit in $LIBRARY_LIST; do 7153 unset current_extralibs 7154 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST 7155 for comp in ${components}; do 7156 enabled $comp || continue 7157 comp_extralibs="${comp}_extralibs" 7158 append current_extralibs $comp_extralibs 7159 done 7160 eval prepend ${linkunit}_extralibs $current_extralibs 7161done 7162 7163for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do 7164 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\) 7165done 7166 7167map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST 7168 7169for thread in $THREADS_LIST; do 7170 if enabled $thread; then 7171 test -n "$thread_type" && 7172 die "ERROR: Only one thread type must be selected." || 7173 thread_type="$thread" 7174 fi 7175done 7176 7177if disabled stdatomic; then 7178 if enabled atomics_gcc; then 7179 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc' 7180 elif enabled atomics_win32; then 7181 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32' 7182 elif enabled atomics_suncc; then 7183 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc' 7184 elif enabled pthreads; then 7185 add_compat atomics/pthread/stdatomic.o 7186 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread' 7187 else 7188 enabled threads && die "Threading is enabled, but no atomics are available" 7189 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy' 7190 fi 7191fi 7192 7193# Check if requested libraries were found. 7194for lib in $AUTODETECT_LIBS; do 7195 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found"; 7196done 7197 7198enabled zlib && add_cppflags -DZLIB_CONST 7199 7200# conditional library dependencies, in any order 7201enabled afftdn_filter && prepend avfilter_deps "avcodec" 7202enabled afftfilt_filter && prepend avfilter_deps "avcodec" 7203enabled afir_filter && prepend avfilter_deps "avcodec" 7204enabled amovie_filter && prepend avfilter_deps "avformat avcodec" 7205enabled aresample_filter && prepend avfilter_deps "swresample" 7206enabled atempo_filter && prepend avfilter_deps "avcodec" 7207enabled bm3d_filter && prepend avfilter_deps "avcodec" 7208enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec" 7209enabled convolve_filter && prepend avfilter_deps "avcodec" 7210enabled deconvolve_filter && prepend avfilter_deps "avcodec" 7211enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample" 7212enabled elbg_filter && prepend avfilter_deps "avcodec" 7213enabled fftfilt_filter && prepend avfilter_deps "avcodec" 7214enabled find_rect_filter && prepend avfilter_deps "avformat avcodec" 7215enabled firequalizer_filter && prepend avfilter_deps "avcodec" 7216enabled mcdeint_filter && prepend avfilter_deps "avcodec" 7217enabled movie_filter && prepend avfilter_deps "avformat avcodec" 7218enabled pan_filter && prepend avfilter_deps "swresample" 7219enabled pp_filter && prepend avfilter_deps "postproc" 7220enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale" 7221enabled resample_filter && prepend avfilter_deps "avresample" 7222enabled sab_filter && prepend avfilter_deps "swscale" 7223enabled scale_filter && prepend avfilter_deps "swscale" 7224enabled scale2ref_filter && prepend avfilter_deps "swscale" 7225enabled sofalizer_filter && prepend avfilter_deps "avcodec" 7226enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale" 7227enabled showfreqs_filter && prepend avfilter_deps "avcodec" 7228enabled showspectrum_filter && prepend avfilter_deps "avcodec" 7229enabled signature_filter && prepend avfilter_deps "avcodec avformat" 7230enabled smartblur_filter && prepend avfilter_deps "swscale" 7231enabled spectrumsynth_filter && prepend avfilter_deps "avcodec" 7232enabled spp_filter && prepend avfilter_deps "avcodec" 7233enabled sr_filter && prepend avfilter_deps "avformat swscale" 7234enabled subtitles_filter && prepend avfilter_deps "avformat avcodec" 7235enabled uspp_filter && prepend avfilter_deps "avcodec" 7236enabled zoompan_filter && prepend avfilter_deps "swscale" 7237 7238enabled lavfi_indev && prepend avdevice_deps "avfilter" 7239 7240#FIXME 7241enabled_any sdl2_outdev opengl_outdev && enabled sdl2 && 7242 add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags) 7243 7244enabled opus_decoder && prepend avcodec_deps "swresample" 7245 7246# reorder the items at var $1 to align with the items order at var $2 . 7247# die if an item at $1 is not at $2 . 7248reorder_by(){ 7249 eval rb_in=\$$1 7250 eval rb_ordered=\$$2 7251 7252 for rb in $rb_in; do 7253 is_in $rb $rb_ordered || die "$rb at \$$1 is not at \$$2" 7254 done 7255 7256 rb_out= 7257 for rb in $rb_ordered; do 7258 is_in $rb $rb_in && rb_out="$rb_out$rb " 7259 done 7260 eval $1=\$rb_out 7261} 7262 7263# deps-expand fflib $1: N x {append all expanded deps; unique} 7264# within a set of N items, N expansions are enough to expose a cycle. 7265expand_deps(){ 7266 unique ${1}_deps # required for the early break test. 7267 for dummy in $LIBRARY_LIST; do # N iteratios 7268 eval deps=\$${1}_deps 7269 append ${1}_deps $(map 'eval echo \$${v}_deps' $deps) 7270 unique ${1}_deps 7271 eval '[ ${#deps} = ${#'${1}_deps'} ]' && break # doesn't expand anymore 7272 done 7273 7274 eval is_in $1 \$${1}_deps && die "Dependency cycle at ${1}_deps" 7275 reorder_by ${1}_deps LIBRARY_LIST # linking order is expected later 7276} 7277 7278#we have to remove gpl from the deps here as some code assumes all lib deps are libs 7279postproc_deps="$(filter_out 'gpl' $postproc_deps)" 7280 7281map 'expand_deps $v' $LIBRARY_LIST 7282 7283if test "$quiet" != "yes"; then 7284 7285echo "install prefix $prefix" 7286echo "source path $source_path" 7287echo "C compiler $cc" 7288echo "C library $libc_type" 7289if test "$host_cc" != "$cc"; then 7290 echo "host C compiler $host_cc" 7291 echo "host C library $host_libc_type" 7292fi 7293echo "ARCH $arch ($cpu)" 7294if test "$build_suffix" != ""; then 7295 echo "build suffix $build_suffix" 7296fi 7297if test "$progs_suffix" != ""; then 7298 echo "progs suffix $progs_suffix" 7299fi 7300if test "$extra_version" != ""; then 7301 echo "version string suffix $extra_version" 7302fi 7303echo "big-endian ${bigendian-no}" 7304echo "runtime cpu detection ${runtime_cpudetect-no}" 7305if enabled x86; then 7306 echo "standalone assembly ${x86asm-no}" 7307 echo "x86 assembler ${x86asmexe}" 7308 echo "MMX enabled ${mmx-no}" 7309 echo "MMXEXT enabled ${mmxext-no}" 7310 echo "3DNow! enabled ${amd3dnow-no}" 7311 echo "3DNow! extended enabled ${amd3dnowext-no}" 7312 echo "SSE enabled ${sse-no}" 7313 echo "SSSE3 enabled ${ssse3-no}" 7314 echo "AESNI enabled ${aesni-no}" 7315 echo "AVX enabled ${avx-no}" 7316 echo "AVX2 enabled ${avx2-no}" 7317 echo "AVX-512 enabled ${avx512-no}" 7318 echo "XOP enabled ${xop-no}" 7319 echo "FMA3 enabled ${fma3-no}" 7320 echo "FMA4 enabled ${fma4-no}" 7321 echo "i686 features enabled ${i686-no}" 7322 echo "CMOV is fast ${fast_cmov-no}" 7323 echo "EBX available ${ebx_available-no}" 7324 echo "EBP available ${ebp_available-no}" 7325fi 7326if enabled aarch64; then 7327 echo "NEON enabled ${neon-no}" 7328 echo "VFP enabled ${vfp-no}" 7329fi 7330if enabled arm; then 7331 echo "ARMv5TE enabled ${armv5te-no}" 7332 echo "ARMv6 enabled ${armv6-no}" 7333 echo "ARMv6T2 enabled ${armv6t2-no}" 7334 echo "VFP enabled ${vfp-no}" 7335 echo "NEON enabled ${neon-no}" 7336 echo "THUMB enabled ${thumb-no}" 7337fi 7338if enabled mips; then 7339 echo "MIPS FPU enabled ${mipsfpu-no}" 7340 echo "MIPS DSP R1 enabled ${mipsdsp-no}" 7341 echo "MIPS DSP R2 enabled ${mipsdspr2-no}" 7342 echo "MIPS MSA enabled ${msa-no}" 7343 echo "MIPS MSA2 enabled ${msa2-no}" 7344 echo "LOONGSON MMI enabled ${mmi-no}" 7345fi 7346if enabled ppc; then 7347 echo "AltiVec enabled ${altivec-no}" 7348 echo "VSX enabled ${vsx-no}" 7349 echo "POWER8 enabled ${power8-no}" 7350 echo "PPC 4xx optimizations ${ppc4xx-no}" 7351 echo "dcbzl available ${dcbzl-no}" 7352fi 7353echo "debug symbols ${debug-no}" 7354echo "strip symbols ${stripping-no}" 7355echo "optimize for size ${small-no}" 7356echo "optimizations ${optimizations-no}" 7357echo "static ${static-no}" 7358echo "shared ${shared-no}" 7359echo "postprocessing support ${postproc-no}" 7360echo "network support ${network-no}" 7361echo "threading support ${thread_type-no}" 7362echo "safe bitstream reader ${safe_bitstream_reader-no}" 7363echo "texi2html enabled ${texi2html-no}" 7364echo "perl enabled ${perl-no}" 7365echo "pod2man enabled ${pod2man-no}" 7366echo "makeinfo enabled ${makeinfo-no}" 7367echo "makeinfo supports HTML ${makeinfo_html-no}" 7368test -n "$random_seed" && 7369 echo "random seed ${random_seed}" 7370echo 7371 7372echo "External libraries:" 7373print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns 7374echo 7375 7376echo "External libraries providing hardware acceleration:" 7377print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns 7378echo 7379 7380echo "Libraries:" 7381print_enabled '' $LIBRARY_LIST | print_in_columns 7382echo 7383 7384echo "Programs:" 7385print_enabled '' $PROGRAM_LIST | print_in_columns 7386echo 7387 7388for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do 7389 echo "Enabled ${type}s:" 7390 eval list=\$$(toupper $type)_LIST 7391 print_enabled '_*' $list | print_in_columns 7392 echo 7393done 7394 7395if test -n "$ignore_tests"; then 7396 ignore_tests=$(echo $ignore_tests | tr ',' ' ') 7397 echo "Ignored FATE tests:" 7398 echo $ignore_tests | print_in_columns 7399 echo 7400fi 7401 7402echo "License: $license" 7403 7404fi # test "$quiet" != "yes" 7405 7406if test -n "$WARN_IF_GETS_DISABLED_LIST"; then 7407 for cfg in $WARN_IF_GETS_DISABLED_LIST; do 7408 if disabled $cfg; then 7409 varname=${cfg}_disable_reason 7410 eval "warn \"Disabled $cfg because \$$varname\"" 7411 fi 7412 done 7413fi 7414 7415if test -n "$WARNINGS"; then 7416 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color" 7417 enabled fatal_warnings && exit 1 7418fi 7419 7420test -e Makefile || echo "include $source_path/Makefile" > Makefile 7421 7422esc(){ 7423 echo "$*" | sed 's/%/%25/g;s/:/%3a/g' 7424} 7425 7426echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate 7427 7428enabled stripping || strip="echo skipping strip" 7429enabled stripping || striptype="" 7430 7431config_files="$TMPH ffbuild/config.mak doc/config.texi" 7432 7433cat > ffbuild/config.mak <<EOF 7434# Automatically generated by configure - do not modify! 7435ifndef FFMPEG_CONFIG_MAK 7436FFMPEG_CONFIG_MAK=1 7437FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION 7438prefix=$prefix 7439LIBDIR=\$(DESTDIR)$libdir 7440SHLIBDIR=\$(DESTDIR)$shlibdir 7441INCDIR=\$(DESTDIR)$incdir 7442BINDIR=\$(DESTDIR)$bindir 7443DATADIR=\$(DESTDIR)$datadir 7444DOCDIR=\$(DESTDIR)$docdir 7445MANDIR=\$(DESTDIR)$mandir 7446PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir 7447INSTALL_NAME_DIR=$install_name_dir 7448SRC_PATH=$source_path 7449SRC_LINK=$source_link 7450ifndef MAIN_MAKEFILE 7451SRC_PATH:=\$(SRC_PATH:.%=..%) 7452endif 7453CC_IDENT=$cc_ident 7454ARCH=$arch 7455INTRINSICS=$intrinsics 7456EXTERN_PREFIX=$extern_prefix 7457CC=$cc 7458CXX=$cxx 7459AS=$as 7460OBJCC=$objcc 7461LD=${LD:=clang} 7462DEPCC=$dep_cc 7463DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS) 7464DEPAS=$as 7465DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS) 7466X86ASM=$x86asmexe 7467DEPX86ASM=$x86asmexe 7468DEPX86ASMFLAGS=\$(X86ASMFLAGS) 7469AR=$ar 7470ARFLAGS=$arflags 7471AR_O=$ar_o 7472AR_CMD=$ar 7473NM_CMD=$nm 7474RANLIB=$ranlib 7475STRIP=$strip 7476STRIPTYPE=$striptype 7477NVCC=$nvcc 7478CP=cp -p 7479LN_S=$ln_s 7480CPPFLAGS=$CPPFLAGS 7481CFLAGS=$CFLAGS 7482CXXFLAGS=$CXXFLAGS 7483OBJCFLAGS=$OBJCFLAGS 7484ASFLAGS=$ASFLAGS 7485NVCCFLAGS=$nvccflags 7486AS_C=$AS_C 7487AS_O=$AS_O 7488OBJCC_C=$OBJCC_C 7489OBJCC_E=$OBJCC_E 7490OBJCC_O=$OBJCC_O 7491CC_C=$CC_C 7492CC_E=$CC_E 7493CC_O=$CC_O 7494CXX_C=$CXX_C 7495CXX_O=$CXX_O 7496NVCC_C=$NVCC_C 7497NVCC_O=$NVCC_O 7498LD_O=$LD_O 7499X86ASM_O=$X86ASM_O 7500LD_LIB=$LD_LIB 7501LD_PATH=$LD_PATH 7502DLLTOOL=$dlltool 7503WINDRES=$windres 7504DOXYGEN=$doxygen 7505LDFLAGS=$LDFLAGS 7506LDEXEFLAGS=$LDEXEFLAGS 7507LDSOFLAGS=$LDSOFLAGS 7508SHFLAGS=$(echo $($ldflags_filter $SHFLAGS)) 7509ASMSTRIPFLAGS=$ASMSTRIPFLAGS 7510X86ASMFLAGS=$X86ASMFLAGS 7511MSAFLAGS=$MSAFLAGS 7512MMIFLAGS=$MMIFLAGS 7513BUILDSUF=$build_suffix 7514PROGSSUF=$progs_suffix 7515FULLNAME=$FULLNAME 7516LIBPREF=$LIBPREF 7517LIBSUF=$LIBSUF 7518LIBNAME=$LIBNAME 7519SLIBPREF=$SLIBPREF 7520SLIBSUF=$SLIBSUF 7521EXESUF=$EXESUF 7522EXTRA_VERSION=$extra_version 7523CCDEP=$CCDEP 7524CXXDEP=$CXXDEP 7525CCDEP_FLAGS=$CCDEP_FLAGS 7526ASDEP=$ASDEP 7527ASDEP_FLAGS=$ASDEP_FLAGS 7528X86ASMDEP=$X86ASMDEP 7529X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS 7530CC_DEPFLAGS=$CC_DEPFLAGS 7531AS_DEPFLAGS=$AS_DEPFLAGS 7532X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS 7533HOSTCC=$host_cc 7534HOSTLD=$host_ld 7535HOSTCFLAGS=$host_cflags 7536HOSTCPPFLAGS=$host_cppflags 7537HOSTEXESUF=$HOSTEXESUF 7538HOSTLDFLAGS=$host_ldflags 7539HOSTEXTRALIBS=$host_extralibs 7540DEPHOSTCC=$host_cc 7541DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS) 7542HOSTCCDEP=$HOSTCCDEP 7543HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS 7544HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS 7545HOSTCC_C=$HOSTCC_C 7546HOSTCC_O=$HOSTCC_O 7547HOSTLD_O=$HOSTLD_O 7548TARGET_EXEC=$target_exec $target_exec_args 7549TARGET_PATH=$target_path 7550TARGET_SAMPLES=${target_samples:-\$(SAMPLES)} 7551CFLAGS-ffplay=${sdl2_cflags} 7552CFLAGS_HEADERS=$CFLAGS_HEADERS 7553LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD 7554EXTRALIBS=$extralibs 7555COMPAT_OBJS=$compat_objs 7556INSTALL=$install 7557LIBTARGET=${LIBTARGET} 7558SLIBNAME=${SLIBNAME} 7559SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION} 7560SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR} 7561SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD} 7562SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD} 7563SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME} 7564SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS} 7565SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB} 7566SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB} 7567VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD} 7568SAMPLES:=${samples:-\$(FATE_SAMPLES)} 7569NOREDZONE_FLAGS=$noredzone_flags 7570LIBFUZZER_PATH=$libfuzzer_path 7571IGNORE_TESTS=$ignore_tests 7572EOF 7573 7574map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST 7575 7576for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do 7577 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak 7578done 7579 7580cat > $TMPH <<EOF 7581/* Automatically generated by configure - do not modify! */ 7582#ifndef FFMPEG_CONFIG_H 7583#define FFMPEG_CONFIG_H 7584#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)" 7585#define FFMPEG_LICENSE "$(c_escape $license)" 7586#define CONFIG_THIS_YEAR 2021 7587#define FFMPEG_DATADIR "$(eval c_escape $datadir)" 7588#define AVCONV_DATADIR "$(eval c_escape $datadir)" 7589#define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})" 7590#define OS_NAME $target_os 7591#define av_restrict $restrict_keyword 7592#define EXTERN_PREFIX "${extern_prefix}" 7593#define EXTERN_ASM ${extern_prefix} 7594#define BUILDSUF "$build_suffix" 7595#define SLIBSUF "$SLIBSUF" 7596#define HAVE_MMX2 HAVE_MMXEXT 7597#define SWS_MAX_FILTER_SIZE $sws_max_filter_size 7598EOF 7599 7600test -n "$assert_level" && 7601 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH 7602 7603test -n "$malloc_prefix" && 7604 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH 7605 7606if enabled x86asm; then 7607 append config_files $TMPASM 7608 cat > $TMPASM <<EOF 7609; Automatically generated by configure - do not modify! 7610EOF 7611fi 7612 7613enabled getenv || echo "#define getenv(x) NULL" >> $TMPH 7614 7615 7616mkdir -p doc 7617mkdir -p tests 7618mkdir -p tests/api 7619echo "@c auto-generated by configure - do not modify! " > doc/config.texi 7620 7621print_config ARCH_ "$config_files" $ARCH_LIST 7622print_config HAVE_ "$config_files" $HAVE_LIST 7623print_config CONFIG_ "$config_files" $CONFIG_LIST \ 7624 $CONFIG_EXTRA \ 7625 $ALL_COMPONENTS \ 7626 7627echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH 7628echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak 7629 7630# Do not overwrite an unchanged config.h to avoid superfluous rebuilds. 7631cp_if_changed $TMPH config.h 7632touch ffbuild/.config 7633 7634enabled x86asm && cp_if_changed $TMPASM config.asm 7635 7636cat > $TMPH <<EOF 7637/* Generated by ffmpeg configure */ 7638#ifndef AVUTIL_AVCONFIG_H 7639#define AVUTIL_AVCONFIG_H 7640EOF 7641 7642print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB 7643 7644echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH 7645 7646cp_if_changed $TMPH libavutil/avconfig.h 7647 7648# full_filter_name_foo=vf_foo 7649# full_filter_name_bar=asrc_bar 7650# ... 7651eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)" 7652 7653# generate the lists of enabled components 7654print_enabled_components(){ 7655 file=$1 7656 struct_name=$2 7657 name=$3 7658 shift 3 7659 echo "static const $struct_name * const $name[] = {" > $TMPH 7660 for c in $*; do 7661 if enabled $c; then 7662 case $name in 7663 filter_list) 7664 eval c=\$full_filter_name_${c%_filter} 7665 ;; 7666 indev_list) 7667 c=${c%_indev}_demuxer 7668 ;; 7669 outdev_list) 7670 c=${c%_outdev}_muxer 7671 ;; 7672 esac 7673 printf " &ff_%s,\n" $c >> $TMPH 7674 fi 7675 done 7676 if [ "$name" = "filter_list" ]; then 7677 for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do 7678 printf " &ff_%s,\n" $c >> $TMPH 7679 done 7680 fi 7681 echo " NULL };" >> $TMPH 7682 cp_if_changed $TMPH $file 7683} 7684 7685print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST 7686print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST 7687print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST 7688print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST 7689print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST 7690print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST 7691print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST 7692print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST 7693print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST 7694 7695# Settings for pkg-config files 7696 7697cat > $TMPH <<EOF 7698# Automatically generated by configure - do not modify! 7699shared=$shared 7700build_suffix=$build_suffix 7701prefix=$prefix 7702libdir=$libdir 7703incdir=$incdir 7704rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}") 7705source_path=${source_path} 7706LIBPREF=${LIBPREF} 7707LIBSUF=${LIBSUF} 7708extralibs_avutil="$avutil_extralibs" 7709extralibs_avcodec="$avcodec_extralibs" 7710extralibs_avformat="$avformat_extralibs" 7711extralibs_avdevice="$avdevice_extralibs" 7712extralibs_avfilter="$avfilter_extralibs" 7713extralibs_avresample="$avresample_extralibs" 7714extralibs_postproc="$postproc_extralibs" 7715extralibs_swscale="$swscale_extralibs" 7716extralibs_swresample="$swresample_extralibs" 7717EOF 7718 7719for lib in $LIBRARY_LIST; do 7720 lib_deps="$(eval echo \$${lib}_deps)" 7721 echo ${lib}_deps=\"$lib_deps\" >> $TMPH 7722done 7723 7724cp_if_changed $TMPH ffbuild/config.sh 7725