AC_PREREQ(2.69) dnl initialize autoconf dnl when going to/from release please set the nano (fourth number) right ! dnl releases only do Wall, cvs and prerelease does Werror too AC_INIT(GStreamer libav, 1.13.0.1, http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer, gst-libav) AG_GST_INIT dnl initialize automake AM_INIT_AUTOMAKE([-Wno-portability 1.14 no-dist-gzip dist-xz tar-ustar subdir-objects]) dnl define PACKAGE_VERSION_* variables AS_VERSION dnl check if this is a release version AS_NANO(GST_GIT="no", GST_GIT="yes") dnl can autoconf find the source ? AC_CONFIG_SRCDIR([ext/libav/gstav.c]) dnl define the output header for config AC_CONFIG_HEADERS([config.h]) dnl AM_MAINTAINER_MODE only provides the option to configure to enable it AM_MAINTAINER_MODE([enable]) dnl sets host_* variables AC_CANONICAL_HOST dnl use pretty build output by default AM_SILENT_RULES([yes]) dnl our libraries and install dirs use major.minor as a version GST_API_VERSION=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR dnl we override it here if we need to for the release candidate of new series GST_API_VERSION=1.0 AC_SUBST(GST_API_VERSION) dnl *** Check for external $AS vs detected by AS_LIBTOOL user_AS="$AS" AG_GST_LIBTOOL_PREPARE AS_LIBTOOL(GST, 1300, 0, 1300) dnl *** required versions of GStreamer stuff *** GST_REQ=1.13.0.1 GST_PBREQ=1.13.0.1 ORC_REQ=0.4.16 ORC_CHECK([$ORC_REQ]) dnl *** autotools stuff **** dnl allow for different autotools AS_AUTOTOOLS_ALTERNATE dnl Add parameters for aclocal AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4") dnl *** check for arguments to configure *** AG_GST_ARG_DISABLE_FATAL_WARNINGS AG_GST_ARG_ENABLE_EXTRA_CHECKS AG_GST_ARG_WITH_PKG_CONFIG_PATH AG_GST_ARG_WITH_PACKAGE_NAME AG_GST_ARG_WITH_PACKAGE_ORIGIN AG_GST_ARG_VALGRIND AG_GST_ARG_GCOV dnl *** checks for platform *** dnl * hardware/architecture * dnl common/m4/gst-arch.m4 dnl check CPU type AG_GST_ARCH dnl *** checks for programs *** dnl find a compiler AC_PROG_CC AC_PROG_CC_STDC dnl check if the compiler supports '-c' and '-o' options AM_PROG_CC_C_O AC_PATH_PROG(VALGRIND_PATH, valgrind, no) AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno") dnl check for documentation tools GTK_DOC_CHECK([1.12]) AG_GST_PLUGIN_DOCS([1.12]) dnl *** checks for libraries *** dnl check for libm, for sin() LT_LIB_M AC_SUBST(LIBM) dnl check for pthreads AX_PTHREAD dnl *** checks for header files *** dnl check if we have ANSI C header files AC_HEADER_STDC dnl *** checks for types/defines *** dnl *** checks for structures *** dnl *** checks for compiler characteristics *** dnl *** checks for library functions *** dnl *** checks for dependancy libraries *** dnl GLib is required GLIB_REQ=2.40.0 AC_SUBST([GLIB_REQ]) AG_GST_GLIB_CHECK([$GLIB_REQ]) dnl checks for gstreamer dnl uninstalled is selected preferentially -- see pkg-config(1) AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ]) AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ]) AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_PBREQ]) AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no) AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes") AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR) AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR) dnl Check for -Bsymbolic-functions linker flag used to avoid dnl intra-library PLT jumps, if available. AC_ARG_ENABLE(Bsymbolic, [AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],, [SAVED_LDFLAGS="${LDFLAGS}" SAVED_LIBS="${LIBS}" AC_MSG_CHECKING([for -Bsymbolic-functions linker flag]) LDFLAGS=-Wl,-Bsymbolic-functions LIBS= AC_TRY_LINK([], [return 0], AC_MSG_RESULT(yes) enable_Bsymbolic=yes, AC_MSG_RESULT(no) enable_Bsymbolic=no) LDFLAGS="${SAVED_LDFLAGS}" LIBS="${SAVED_LIBS}"]) dnl *** set variables based on configure arguments *** dnl set location of plugin directory AG_GST_SET_PLUGINDIR dnl Detect if we are building static plugins, in which case we need to dnl generates libav .la files and install the static libraries. AM_CONDITIONAL(GST_PLUGIN_BUILD_STATIC, test "x$enable_static" = "xyes") dnl define an ERROR_CFLAGS Makefile variable AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [ -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition -Winit-self -Wmissing-include-dirs -Waddress -Waggregate-return -Wno-multichar -Wnested-externs ]) dnl define correct level for debugging messages AG_GST_SET_LEVEL_DEFAULT($GST_GIT) dnl *** finalize CFLAGS, LDFLAGS, LIBS *** dnl Overview: dnl GST_OPTION_CFLAGS: common flags for profiling, debugging, errors, ... dnl GST_*: flags shared by built objects to link against GStreamer dnl GST_ALL_LDFLAGS: linker flags shared by all dnl GST_LIB_LDFLAGS: additional linker flags for all libaries dnl GST_LT_LDFLAGS: library versioning of our libraries dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins dnl GST_OPTION_CFLAGS if test "x$USE_DEBUG" = xyes; then PROFILE_CFLAGS="-g" fi AC_SUBST(PROFILE_CFLAGS) if test "x$GST_GIT" = "xyes"; then DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED" else DEPRECATED_CFLAGS="" fi AC_SUBST(DEPRECATED_CFLAGS) dnl every flag in GST_OPTION_CFLAGS can be overridden at make time GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)" AC_SUBST(GST_OPTION_CFLAGS) dnl FIXME: do we want to rename to GST_ALL_* ? dnl prefer internal headers to already installed ones dnl also add builddir include for enumtypes and marshal dnl add GST_OPTION_CFLAGS, but overridable GST_CFLAGS="$GST_CFLAGS" GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)" AC_SUBST(GST_CFLAGS) AC_SUBST(GST_LIBS) GST_ALL_LDFLAGS="-no-undefined" if test "x${enable_Bsymbolic}" = "xyes"; then GST_ALL_LDFLAGS="$GST_ALL_LDFLAGS -Wl,-Bsymbolic-functions" fi AC_SUBST(GST_ALL_LDFLAGS) dnl this really should only contain flags, not libs - they get added before dnl whatevertarget_LIBS and -L flags here affect the rest of the linking GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_.*' $GST_ALL_LDFLAGS" AC_SUBST(GST_PLUGIN_LDFLAGS) dnl Add MacOSX specific flags AC_CANONICAL_HOST case $host_os in darwin*) DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress" ;; *) DARWIN_LDFLAGS="" ;; esac AC_SUBST(DARWIN_LDFLAGS) AC_ARG_ENABLE(gpl, [AC_HELP_STRING([--enable-gpl], [build a GPL licensed gst-libav])]) AM_CONDITIONAL(GST_LIBAV_ENABLE_GPL, test "x$enable_gpl" = "xyes") if test "x$enable_gpl" = "xyes"; then AC_DEFINE([GST_LIBAV_ENABLE_GPL], [], [Defined if building a GPL-licensed version of gst-libav]) fi dnl *** configure external libs *** HAVE_LIBAV_UNINSTALLED=1 AC_ARG_WITH(system-libav, [AC_HELP_STRING([--with-system-libav], [use system Libav libraries])]) HAVE_LZMA="no" HAVE_BZ2="no" if test "x$with_system_libav" = "xyes"; then PKG_CHECK_MODULES(LIBAV, libavfilter libavformat libavcodec >= 57 libavutil) PKG_CHECK_MODULES(SWSCALE, libswscale libavutil) saved_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS" AC_CHECK_HEADERS([avi.h]) AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.]) HAVE_LIBAV_UNINSTALLED=0 AC_MSG_NOTICE([Using system-installed libav code]) AC_MSG_CHECKING([whether libav is provided by FFmpeg]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include ]],[[ #if LIBAVCODEC_VERSION_MICRO >= 100 /* FFmpeg uses 100+ as its micro version */ #else #error libav provider should be FFmpeg #endif ]])], [is_ffmpeg=yes], [is_ffmpeg=no]) AC_MSG_RESULT([$is_ffmpeg]) CPPFLAGS="$saved_CPPFLAGS" if test "$is_ffmpeg" = no; then AC_MSG_ERROR([Uncompatible libavcodec found]) fi else AC_MSG_NOTICE([Using local Libav snapshot]) dnl *** Check for bz2 save_LIBS=$LIBS LIBS="$LIBS -lbz2" AC_MSG_CHECKING([for BZ2_bzlibVersion in -lbz2]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[const char *version = BZ2_bzlibVersion ();]])],[HAVE_BZ2=yes],[HAVE_BZ2=no]) AC_MSG_RESULT($HAVE_BZ2) LIBS=$save_LIBS if test "x$HAVE_BZ2" = "xno"; then AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks]) BZ2_LIBS= else BZ2_LIBS="-lbz2" fi dnl *** Check for lzma save_LIBS=$LIBS LIBS="$LIBS -llzma" AC_MSG_CHECKING([for lzma_version_string in -llzma]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[const char *version = lzma_version_string ();]])],[HAVE_LZMA=yes],[HAVE_LZMA=no]) AC_MSG_RESULT($HAVE_LZMA) LIBS=$save_LIBS if test "x$HAVE_LZMA" = "xno"; then AC_WARN([lzma not found, tiff reader will not be able to read lzma files]) LZMA_LIBS= else LZMA_LIBS="-llzma" fi dnl libgstlibav.la: include dirs LIBAV_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \ -I \$(top_builddir)/gst-libs/ext/libav \ -Wno-deprecated-declarations" LIBAV_DEPS="\$(top_builddir)/gst-libs/ext/libav/libavfilter/libavfilter.a \ \$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \ \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \ \$(top_builddir)/gst-libs/ext/libav/libswresample/libswresample.a \ \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a" LIBAV_LIBS="$ac_pwd/gst-libs/ext/libavfilter.la \ $ac_pwd/gst-libs/ext/libavformat.la \ $ac_pwd/gst-libs/ext/libavcodec.la \ $ac_pwd/gst-libs/ext/libswresample.la \ $ac_pwd/gst-libs/ext/libavutil.la" dnl SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \ -I \$(top_builddir)/gst-libs/ext/libav \ -Wno-deprecated-declarations" SWSCALE_DEPS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \ \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a" if test "x$enable_static_plugins" = xyes; then dnl with static linking we can't use the .a archive directly as they would dnl be included in the final libgstswscale.a as a file and won't be usable. dnl libav*.a must be copied to the final destination too SWSCALE_LIBS="-lswscale -lavutil" else dnl libgstswscale.la: libs to statically link to SWSCALE_LIBS="$SWSCALE_DEPS" fi LIBAV_SUBDIRS=gst-libs AC_DEFINE(HAVE_AVI_H) AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.]) AC_ARG_WITH(libav-extra-configure, AC_HELP_STRING([--with-libav-extra-configure="xxx"], [extra configure options for internal libav ./configure script]),, with_libav=no) # basic arguments emblibav_configure_args="--prefix=$prefix" # Enable pic and static so that we get .a files, but with PIC code. emblibav_configure_args="$emblibav_configure_args \ --enable-static --enable-pic \ --disable-avdevice --disable-postproc \ --disable-programs --disable-ffserver --disable-ffplay --disable-ffprobe --disable-ffmpeg \ --disable-encoder=flac --disable-protocols --disable-devices \ --disable-network --disable-hwaccels --disable-dxva2 --disable-vdpau \ --disable-filters --enable-filter=yadif --disable-doc --disable-vda --disable-d3d11va --disable-dxva2 \ --disable-audiotoolbox --disable-videotoolbox --disable-vaapi --disable-crystalhd \ --disable-mediacodec --disable-nvenc --disable-mmal --disable-omx \ --disable-omx-rpi --disable-cuda --disable-cuvid --disable-libmfx \ --disable-libnpp --disable-iconv --disable-jni --enable-optimizations" if test "x$enable_gpl" == "xyes"; then emblibav_configure_args="$emblibav_configure_args --enable-gpl" fi # if we are cross-compiling, tell libav so case $host in *android*) target_os=linux ;; *darwin*) target_os=darwin ;; *) target_os=`echo $host_os | sed 's/-gnu.*//'` ;; esac if test "x$cross_compiling" = xyes; then emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \ --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-" fi case $host_os in mingw32*) WIN32_LIBS="-lws2_32" ;; *) WIN32_LIBS= ;; esac if test x"$AR" != x; then emblibav_configure_args="$emblibav_configure_args --ar=\\\"\\\$AR\\\"" fi if test x"$orig_AS" != x; then emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$orig_AS\\\"" elif test x"$CC" != x; then dnl No external $AS - try $CC for the libav assembler emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$CC\\\"" fi if test x"$CC" != x; then emblibav_configure_args="$emblibav_configure_args --cc=\\\"\\\$CC\\\"" fi if test x"$LD" != x; then emblibav_configure_args="$emblibav_configure_args --ld=\\\"\\\$CC\\\"" fi if test x"$NM" != x; then emblibav_configure_args="$emblibav_configure_args --nm=\\\"\\\$NM\\\"" fi dnl checks for extra enable/disable flags LIBAV_OPTS=`cd $srcdir/gst-libs/ext/libav && ./configure --help` # Let's check if we can disable the building of the libav binary can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'` if test "$can_disable" != ""; then emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg" fi dnl check if libswscale needs enabling explicitly can_enable=`echo "$LIBAV_OPTS" | grep 'enable-swscale'` if test "$can_enable" != ""; then emblibav_configure_args="$emblibav_configure_args --enable-swscale" fi # append extra configure options to emblibav_configure_args if needed if test "x$with_libav_extra_configure" != "xno"; then emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure" fi AC_SUBST(LIBAV_CO_DIR) AC_SUBST(LIBAV_SVN) AC_SUBST(LIBAV_REVISION) AC_SUBST(LIBAV_EXTERNALS_REVISION) AC_CONFIG_COMMANDS([configure-embedded-libav], [echo "Configuring included Libav instance with args $emblibav_configure_args" origdir=`pwd` dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it dnl to detect out-of-tree builds if test -z "$srcdir" -o "$srcdir" = .; then confcmd=./configure gasppdir=../gas-preprocessor else confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure gasppdir="$ac_abs_top_srcdir"/gst-libs/ext/gas-preprocessor fi AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav]) oldPATH="$PATH" PATH="$gasppdir:$PATH" cd "$ac_top_build_prefix"gst-libs/ext/libav && eval "$confcmd $emblibav_configure_args" || AC_MSG_ERROR([Failed to configure embedded Libav tree]) PATH="$oldPATH" cd "$origdir" ], [emblibav_configure_args="$emblibav_configure_args"]) AC_MSG_NOTICE([Using included Libav code]) fi AM_CONDITIONAL(HAVE_BZ2, test "x$HAVE_BZ2" = "xyes") AM_CONDITIONAL(HAVE_LZMA, test "x$HAVE_LZMA" = "xyes") AC_SUBST(LIBAV_CFLAGS) AC_SUBST(LIBAV_DEPS) AC_SUBST(LIBAV_LIBS) AC_SUBST(LIBAV_SUBDIRS) AC_SUBST(SWSCALE_CFLAGS) AC_SUBST(SWSCALE_DEPS) AC_SUBST(SWSCALE_LIBS) AC_SUBST(WIN32_LIBS) AC_SUBST(BZ2_LIBS) AC_SUBST(LZMA_LIBS) if test x$HAVE_LIBAV_UNINSTALLED = x1; then AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source]) fi AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1) AC_CONFIG_FILES( Makefile common/Makefile common/m4/Makefile ext/Makefile ext/libav/Makefile ext/libswscale/Makefile gst-libs/Makefile gst-libs/ext/Makefile docs/Makefile docs/plugins/Makefile docs/version.entities tests/Makefile tests/check/Makefile tests/files/Makefile pkgconfig/Makefile pkgconfig/gstreamer-plugins-libav-uninstalled.pc ) AC_OUTPUT ORC_OUTPUT