1AC_PREREQ(2.69) 2 3dnl initialize autoconf 4dnl when going to/from release please set the nano (fourth number) right ! 5dnl releases only do Wall, cvs and prerelease does Werror too 6AC_INIT(GStreamer libav, 1.16.2, 7 http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer, 8 gst-libav) 9 10AG_GST_INIT 11 12dnl initialize automake 13AM_INIT_AUTOMAKE([-Wno-portability 1.14 no-dist-gzip dist-xz tar-ustar subdir-objects]) 14 15dnl define PACKAGE_VERSION_* variables 16AS_VERSION 17 18dnl check if this is a release version 19AS_NANO(GST_GIT="no", GST_GIT="yes") 20 21dnl can autoconf find the source ? 22AC_CONFIG_SRCDIR([ext/libav/gstav.c]) 23 24dnl define the output header for config 25AC_CONFIG_HEADERS([config.h]) 26 27dnl AM_MAINTAINER_MODE only provides the option to configure to enable it 28AM_MAINTAINER_MODE([enable]) 29 30dnl sets host_* variables 31AC_CANONICAL_HOST 32 33dnl use pretty build output by default 34AM_SILENT_RULES([yes]) 35 36dnl our libraries and install dirs use major.minor as a version 37GST_API_VERSION=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR 38dnl we override it here if we need to for the release candidate of new series 39GST_API_VERSION=1.0 40AC_SUBST(GST_API_VERSION) 41 42dnl *** Check for external $AS vs detected by AS_LIBTOOL 43orig_AS="$AS" 44AG_GST_LIBTOOL_PREPARE 45AS_LIBTOOL(GST, 1602, 0, 1602) 46 47dnl *** required versions of GStreamer stuff *** 48GST_REQ=1.16.2 49GST_PBREQ=1.16.2 50 51ORC_REQ=0.4.16 52ORC_CHECK([$ORC_REQ]) 53 54dnl *** autotools stuff **** 55 56dnl allow for different autotools 57AS_AUTOTOOLS_ALTERNATE 58 59dnl Add parameters for aclocal 60AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4") 61 62dnl *** check for arguments to configure *** 63 64AG_GST_ARG_DISABLE_FATAL_WARNINGS 65AG_GST_ARG_ENABLE_EXTRA_CHECKS 66 67AG_GST_ARG_WITH_PKG_CONFIG_PATH 68AG_GST_ARG_WITH_PACKAGE_NAME 69AG_GST_ARG_WITH_PACKAGE_ORIGIN 70AG_GST_ARG_VALGRIND 71AG_GST_ARG_GCOV 72 73dnl *** checks for platform *** 74 75dnl * hardware/architecture * 76 77dnl common/m4/gst-arch.m4 78dnl check CPU type 79AG_GST_ARCH 80 81dnl *** software *** 82 83dnl check for large file support 84dnl affected plugins must include config.h 85AC_SYS_LARGEFILE 86 87dnl *** checks for programs *** 88 89dnl find a compiler 90AC_PROG_CC 91AC_PROG_CC_STDC 92 93dnl check if the compiler supports '-c' and '-o' options 94AM_PROG_CC_C_O 95 96AC_PATH_PROG(VALGRIND_PATH, valgrind, no) 97AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno") 98 99dnl check for documentation tools 100GTK_DOC_CHECK([1.12]) 101AG_GST_PLUGIN_DOCS([1.12]) 102 103dnl *** checks for libraries *** 104 105dnl check for libm, for sin() 106LT_LIB_M 107AC_SUBST(LIBM) 108 109dnl check for pthreads 110AX_PTHREAD 111 112dnl *** checks for header files *** 113 114dnl check if we have ANSI C header files 115AC_HEADER_STDC 116 117dnl *** checks for types/defines *** 118 119dnl *** checks for structures *** 120 121dnl *** checks for compiler characteristics *** 122 123dnl *** checks for library functions *** 124 125dnl *** checks for dependancy libraries *** 126 127dnl GLib is required 128GLIB_REQ=2.40.0 129AC_SUBST([GLIB_REQ]) 130AG_GST_GLIB_CHECK([$GLIB_REQ]) 131 132dnl checks for gstreamer 133dnl uninstalled is selected preferentially -- see pkg-config(1) 134AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ]) 135AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ]) 136AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_PBREQ]) 137AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no) 138AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes") 139 140AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR) 141AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR) 142 143dnl Check for -Bsymbolic-functions linker flag used to avoid 144dnl intra-library PLT jumps, if available. 145AC_ARG_ENABLE(Bsymbolic, 146 [AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],, 147 [SAVED_LDFLAGS="${LDFLAGS}" SAVED_LIBS="${LIBS}" 148 AC_MSG_CHECKING([for -Bsymbolic linker flag]) 149 LDFLAGS=-Wl,-Bsymbolic 150 LIBS= 151 AC_TRY_LINK([], [return 0], 152 AC_MSG_RESULT(yes) 153 enable_Bsymbolic=yes, 154 AC_MSG_RESULT(no) 155 enable_Bsymbolic=no) 156 LDFLAGS="${SAVED_LDFLAGS}" LIBS="${SAVED_LIBS}"]) 157 158dnl *** set variables based on configure arguments *** 159 160dnl set location of plugin directory 161AG_GST_SET_PLUGINDIR 162 163dnl Detect if we are building static plugins, in which case we need to 164dnl generates libav .la files and install the static libraries. 165AM_CONDITIONAL(GST_PLUGIN_BUILD_STATIC, test "x$enable_static" = "xyes") 166 167dnl define an ERROR_CFLAGS Makefile variable 168AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [ 169 -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef 170 -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition 171 -Winit-self -Wmissing-include-dirs -Waddress 172 -Waggregate-return -Wno-multichar -Wnested-externs ]) 173 174dnl define correct level for debugging messages 175AG_GST_SET_LEVEL_DEFAULT($GST_GIT) 176 177dnl disable strict aliasing 178AS_COMPILER_FLAG([-fno-strict-aliasing], [EXTRA_CFLAGS="-fno-strict-aliasing"]) 179AC_SUBST(EXTRA_CFLAGS) 180 181dnl *** finalize CFLAGS, LDFLAGS, LIBS *** 182 183dnl Overview: 184dnl GST_OPTION_CFLAGS: common flags for profiling, debugging, errors, ... 185dnl GST_*: flags shared by built objects to link against GStreamer 186dnl GST_ALL_LDFLAGS: linker flags shared by all 187dnl GST_LIB_LDFLAGS: additional linker flags for all libaries 188dnl GST_LT_LDFLAGS: library versioning of our libraries 189dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins 190 191dnl GST_OPTION_CFLAGS 192if test "x$USE_DEBUG" = xyes; then 193 PROFILE_CFLAGS="-g" 194fi 195AC_SUBST(PROFILE_CFLAGS) 196 197if test "x$GST_GIT" = "xyes"; then 198 DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED" 199else 200 DEPRECATED_CFLAGS="" 201fi 202AC_SUBST(DEPRECATED_CFLAGS) 203 204dnl every flag in GST_OPTION_CFLAGS can be overridden at make time 205GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)" 206 207AC_SUBST(GST_OPTION_CFLAGS) 208 209dnl FIXME: do we want to rename to GST_ALL_* ? 210dnl prefer internal headers to already installed ones 211dnl also add builddir include for enumtypes and marshal 212dnl add GST_OPTION_CFLAGS, but overridable 213GST_CFLAGS="$GST_CFLAGS" 214GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $EXTRA_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)" 215AC_SUBST(GST_CFLAGS) 216AC_SUBST(GST_LIBS) 217 218GST_ALL_LDFLAGS="-no-undefined" 219if test "x${enable_Bsymbolic}" = "xyes"; then 220 GST_ALL_LDFLAGS="$GST_ALL_LDFLAGS -Wl,-Bsymbolic" 221fi 222AC_SUBST(GST_ALL_LDFLAGS) 223 224dnl this really should only contain flags, not libs - they get added before 225dnl whatevertarget_LIBS and -L flags here affect the rest of the linking 226GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_.*' $GST_ALL_LDFLAGS" 227AC_SUBST(GST_PLUGIN_LDFLAGS) 228 229dnl Add MacOSX specific flags 230AC_CANONICAL_HOST 231case $host_os in 232 darwin*) 233 DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress" 234 ;; 235 *) 236 DARWIN_LDFLAGS="" 237 ;; 238esac 239AC_SUBST(DARWIN_LDFLAGS) 240 241AC_ARG_ENABLE(gpl, 242 [AC_HELP_STRING([--enable-gpl], [build a GPL licensed gst-libav])]) 243AM_CONDITIONAL(GST_LIBAV_ENABLE_GPL, test "x$enable_gpl" = "xyes") 244if test "x$enable_gpl" = "xyes"; then 245 AC_DEFINE([GST_LIBAV_ENABLE_GPL], [], [Defined if building a GPL-licensed version of gst-libav]) 246fi 247 248dnl *** configure external libs *** 249 250HAVE_LIBAV_UNINSTALLED=1 251 252AC_ARG_WITH(system-libav, 253 [AC_HELP_STRING([--with-system-libav], [use system Libav libraries])]) 254 255HAVE_LZMA="no" 256HAVE_BZ2="no" 257if test "x$with_system_libav" = "xyes"; then 258 PKG_CHECK_MODULES(LIBAV, libavfilter libavformat libavcodec >= 58 libavutil) 259 saved_CPPFLAGS="$CPPFLAGS" 260 CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS" 261 AC_CHECK_HEADERS([avi.h]) 262 AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.]) 263 HAVE_LIBAV_UNINSTALLED=0 264 AC_MSG_NOTICE([Using system-installed libav code]) 265 AC_MSG_CHECKING([whether libav is provided by FFmpeg]) 266 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 267 #include <libavcodec/avcodec.h> 268 ]],[[ 269 #if LIBAVCODEC_VERSION_MICRO >= 100 270 /* FFmpeg uses 100+ as its micro version */ 271 #else 272 #error libav provider should be FFmpeg 273 #endif 274 ]])], [is_ffmpeg=yes], [is_ffmpeg=no]) 275 AC_MSG_RESULT([$is_ffmpeg]) 276 CPPFLAGS="$saved_CPPFLAGS" 277 if test "$is_ffmpeg" = no; then 278 AC_MSG_ERROR([Uncompatible libavcodec found]) 279 fi 280else 281 AC_MSG_NOTICE([Using local Libav snapshot]) 282 283 dnl *** Check for bz2 284 save_LIBS=$LIBS 285 LIBS="$LIBS -lbz2" 286 AC_MSG_CHECKING([for BZ2_bzlibVersion in -lbz2]) 287 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <bzlib.h>]], [[const char *version = BZ2_bzlibVersion ();]])],[HAVE_BZ2=yes],[HAVE_BZ2=no]) 288 AC_MSG_RESULT($HAVE_BZ2) 289 LIBS=$save_LIBS 290 if test "x$HAVE_BZ2" = "xno"; then 291 AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks]) 292 BZ2_LIBS= 293 else 294 BZ2_LIBS="-lbz2" 295 fi 296 297 dnl *** Check for lzma 298 save_LIBS=$LIBS 299 LIBS="$LIBS -llzma" 300 AC_MSG_CHECKING([for lzma_version_string in -llzma]) 301 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <lzma.h>]], [[const char *version = lzma_version_string ();]])],[HAVE_LZMA=yes],[HAVE_LZMA=no]) 302 AC_MSG_RESULT($HAVE_LZMA) 303 LIBS=$save_LIBS 304 if test "x$HAVE_LZMA" = "xno"; then 305 AC_WARN([lzma not found, tiff reader will not be able to read lzma files]) 306 LZMA_LIBS= 307 else 308 LZMA_LIBS="-llzma" 309 fi 310 311 dnl libgstlibav.la: include dirs 312 LIBAV_CPPFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \ 313 -I \$(top_builddir)/gst-libs/ext/libav" 314 315 LIBAV_CFLAGS="-Wno-deprecated-declarations" 316 317 LIBAV_DEPS="\$(top_builddir)/gst-libs/ext/libav/libavfilter/libavfilter.a \ 318 \$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \ 319 \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \ 320 \$(top_builddir)/gst-libs/ext/libav/libswresample/libswresample.a \ 321 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a" 322 323 LIBAV_LIBS="$ac_pwd/gst-libs/ext/libavfilter.la \ 324 $ac_pwd/gst-libs/ext/libavformat.la \ 325 $ac_pwd/gst-libs/ext/libavcodec.la \ 326 $ac_pwd/gst-libs/ext/libswresample.la \ 327 $ac_pwd/gst-libs/ext/libavutil.la" 328 329 LIBAV_SUBDIRS=gst-libs 330 AC_DEFINE(HAVE_AVI_H) 331 AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.]) 332 333 AC_ARG_WITH(libav-extra-configure, 334 AC_HELP_STRING([--with-libav-extra-configure="xxx"], 335 [extra configure options for internal libav ./configure script]),, 336 with_libav=no) 337 338 # basic arguments 339 emblibav_configure_args="--prefix=$prefix" 340 341 # Enable pic and static so that we get .a files, but with PIC code. 342 emblibav_configure_args="$emblibav_configure_args \ 343 --enable-static --enable-pic \ 344 --disable-avdevice --disable-postproc --disable-swscale \ 345 --disable-programs --disable-ffplay --disable-ffprobe --disable-ffmpeg \ 346 --disable-encoder=flac --disable-protocols --disable-devices \ 347 --disable-network --disable-hwaccels --disable-dxva2 --disable-vdpau \ 348 --disable-filters --enable-filter=yadif --disable-doc --disable-d3d11va \ 349 --disable-audiotoolbox --disable-videotoolbox --disable-vaapi --disable-crystalhd \ 350 --disable-mediacodec --disable-nvenc --disable-mmal --disable-omx \ 351 --disable-omx-rpi --disable-cuda --disable-cuvid --disable-libmfx \ 352 --disable-libnpp --disable-iconv --disable-jni --disable-v4l2_m2m --enable-optimizations" 353 354 if test "x$enable_gpl" == "xyes"; then 355 emblibav_configure_args="$emblibav_configure_args --enable-gpl" 356 fi 357 358 # if we are cross-compiling, tell libav so 359 case $host in 360 *android*) 361 target_os=linux 362 ;; 363 *darwin*) 364 target_os=darwin 365 ;; 366 *) 367 target_os=`echo $host_os | sed 's/-gnu.*//'` 368 ;; 369 esac 370 371 if test "x$cross_compiling" = xyes; then 372 emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \ 373 --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-" 374 fi 375 376 case $host_os in 377 mingw32*) 378 WIN32_LIBS="-lws2_32 -lbcrypt" 379 ;; 380 *) 381 WIN32_LIBS= 382 ;; 383 esac 384 385 if test x"$AR" != x; then 386 emblibav_configure_args="$emblibav_configure_args --ar=\\\"\\\$AR\\\"" 387 fi 388 389 if test x"$orig_AS" != x; then 390 emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$orig_AS\\\"" 391 export orig_AS 392 elif test x"$CC" != x; then 393 dnl No external $AS - try $CC for the libav assembler 394 emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$CC\\\"" 395 fi 396 397 if test x"$CC" != x; then 398 emblibav_configure_args="$emblibav_configure_args --cc=\\\"\\\$CC\\\"" 399 fi 400 401 if test x"$LD" != x; then 402 emblibav_configure_args="$emblibav_configure_args --ld=\\\"\\\$CC\\\"" 403 fi 404 405 if test x"$NM" != x; then 406 emblibav_configure_args="$emblibav_configure_args --nm=\\\"\\\$NM\\\"" 407 fi 408 409 dnl checks for extra enable/disable flags 410 LIBAV_OPTS=`cd $srcdir/gst-libs/ext/libav && ./configure --help` 411 # Let's check if we can disable the building of the libav binary 412 can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'` 413 if test "$can_disable" != ""; then 414 emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg" 415 fi 416 417 # append extra configure options to emblibav_configure_args if needed 418 if test "x$with_libav_extra_configure" != "xno"; then 419 emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure" 420 fi 421 422 AC_SUBST(LIBAV_CO_DIR) 423 AC_SUBST(LIBAV_SVN) 424 AC_SUBST(LIBAV_REVISION) 425 AC_SUBST(LIBAV_EXTERNALS_REVISION) 426 AC_CONFIG_COMMANDS([configure-embedded-libav], 427 [echo "Configuring included Libav instance with args $emblibav_configure_args" 428 origdir=`pwd` 429 dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it 430 dnl to detect out-of-tree builds 431 if test -z "$srcdir" -o "$srcdir" = .; then 432 confcmd=./configure 433 else 434 confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure 435 fi 436 gasppdir="$ac_abs_top_srcdir"/gst-libs/ext/gas-preprocessor 437 438 AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav]) 439 oldPATH="$PATH" 440 PATH="$gasppdir:$PATH" 441 cd "$ac_top_build_prefix"gst-libs/ext/libav && 442 eval "$confcmd $emblibav_configure_args" || 443 AC_MSG_ERROR([Failed to configure embedded Libav tree]) 444 PATH="$oldPATH" 445 cd "$origdir" 446 ], 447 [emblibav_configure_args="$emblibav_configure_args"]) 448 AC_MSG_NOTICE([Using included Libav code]) 449fi 450 451AM_CONDITIONAL(HAVE_BZ2, test "x$HAVE_BZ2" = "xyes") 452AM_CONDITIONAL(HAVE_LZMA, test "x$HAVE_LZMA" = "xyes") 453 454AC_SUBST(LIBAV_CPPFLAGS) 455AC_SUBST(LIBAV_CFLAGS) 456AC_SUBST(LIBAV_DEPS) 457AC_SUBST(LIBAV_LIBS) 458AC_SUBST(LIBAV_SUBDIRS) 459AC_SUBST(WIN32_LIBS) 460AC_SUBST(BZ2_LIBS) 461AC_SUBST(LZMA_LIBS) 462 463if test x$HAVE_LIBAV_UNINSTALLED = x1; then 464 AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source]) 465fi 466AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1) 467 468AC_CONFIG_FILES( 469Makefile 470common/Makefile 471common/m4/Makefile 472ext/Makefile 473ext/libav/Makefile 474gst-libs/Makefile 475gst-libs/ext/Makefile 476docs/Makefile 477docs/plugins/Makefile 478docs/version.entities 479tests/Makefile 480tests/check/Makefile 481tests/files/Makefile 482pkgconfig/Makefile 483pkgconfig/gstreamer-plugins-libav-uninstalled.pc 484) 485AC_OUTPUT 486 487ORC_OUTPUT 488