mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-08 07:35:52 +00:00
Also change elements factory names to avenc_*, avdec_*, avmux_* and avdemux_*. The actual filenames, type names, function/variable names are not touched to make merging with 0.10 easier at this point. Once 0.10 is not supported anymore everything should be renamed.
432 lines
14 KiB
Plaintext
432 lines
14 KiB
Plaintext
AC_PREREQ(2.60)
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dnl initialize autoconf
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dnl when going to/from release please set the nano (fourth number) right !
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dnl releases only do Wall, cvs and prerelease does Werror too
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AC_INIT(GStreamer Libav, 0.11.89.1,
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http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
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gst-libav)
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AG_GST_INIT
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dnl initialize automake
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AM_INIT_AUTOMAKE([-Wno-portability 1.10])
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dnl define PACKAGE_VERSION_* variables
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AS_VERSION
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dnl check if this is a release version
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AS_NANO(GST_GIT="no", GST_GIT="yes")
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dnl can autoconf find the source ?
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AC_CONFIG_SRCDIR([ext/ffmpeg/gstffmpeg.c])
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dnl define the output header for config
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AM_CONFIG_HEADER([config.h])
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dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
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AM_MAINTAINER_MODE
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dnl sets host_* variables
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AC_CANONICAL_HOST
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dnl use pretty build output with automake >= 1.11
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m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])],
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[AM_DEFAULT_VERBOSITY=1
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AC_SUBST(AM_DEFAULT_VERBOSITY)])
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dnl our libraries and install dirs use major.minor as a version
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GST_API_VERSION=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR
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dnl we override it here if we need to for the release candidate of new series
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GST_API_VERSION=1.0
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AC_SUBST(GST_API_VERSION)
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AG_GST_LIBTOOL_PREPARE
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AC_LIBTOOL_WIN32_DLL
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AM_PROG_LIBTOOL
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dnl *** required versions of GStreamer stuff ***
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GST_REQ=0.11.3
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ORC_REQ=0.4.6
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dnl *** autotools stuff ****
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dnl allow for different autotools
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AS_AUTOTOOLS_ALTERNATE
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dnl Add parameters for aclocal
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AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
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dnl *** check for arguments to configure ***
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AG_GST_ARG_DISABLE_FATAL_WARNINGS
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AG_GST_ARG_WITH_PKG_CONFIG_PATH
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AG_GST_ARG_WITH_PACKAGE_NAME
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AG_GST_ARG_WITH_PACKAGE_ORIGIN
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AG_GST_ARG_VALGRIND
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dnl *** checks for platform ***
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dnl * hardware/architecture *
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dnl common/m4/gst-arch.m4
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dnl check CPU type
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AG_GST_ARCH
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dnl *** checks for programs ***
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dnl find a compiler
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AC_PROG_CC
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AC_PROG_CC_STDC
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dnl check if the compiler supports '-c' and '-o' options
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AM_PROG_CC_C_O
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AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
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AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
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dnl check for documentation tools
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AG_GST_DOCBOOK_CHECK
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GTK_DOC_CHECK([1.3])
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AS_PATH_PYTHON([2.1])
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AG_GST_PLUGIN_DOCS([1.3],[2.1])
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dnl *** checks for libraries ***
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dnl check for libm, for sin()
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AC_CHECK_LIBM
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AC_SUBST(LIBM)
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dnl *** checks for header files ***
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dnl check if we have ANSI C header files
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AC_HEADER_STDC
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dnl *** checks for types/defines ***
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dnl *** checks for structures ***
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dnl *** checks for compiler characteristics ***
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dnl *** checks for library functions ***
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dnl *** checks for dependancy libraries ***
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dnl checks for gstreamer
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dnl uninstalled is selected preferentially -- see pkg-config(1)
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AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ])
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AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ])
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AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_REQ])
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AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no)
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AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
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AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
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AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
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dnl orc is required for cpu detection for libpostproc
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ORC_CHECK([$ORC_REQ])
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dnl *** set variables based on configure arguments ***
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dnl set location of plugin directory
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AG_GST_SET_PLUGINDIR
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dnl define an ERROR_CFLAGS Makefile variable
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AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [
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-Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
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-Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition
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-Winit-self -Wmissing-include-dirs -Waddress
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-Waggregate-return -Wno-multichar -Wnested-externs ])
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dnl define correct level for debugging messages
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AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
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dnl *** finalize CFLAGS, LDFLAGS, LIBS ***
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dnl Overview:
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dnl GST_OPTION_CFLAGS: common flags for profiling, debugging, errors, ...
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dnl GST_*: flags shared by built objects to link against GStreamer
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dnl GST_ALL_LDFLAGS: linker flags shared by all
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dnl GST_LIB_LDFLAGS: additional linker flags for all libaries
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dnl GST_LT_LDFLAGS: library versioning of our libraries
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dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
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dnl GST_OPTION_CFLAGS
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if test "x$USE_DEBUG" = xyes; then
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PROFILE_CFLAGS="-g"
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fi
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AC_SUBST(PROFILE_CFLAGS)
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if test "x$GST_GIT" = "xyes"; then
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DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
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else
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DEPRECATED_CFLAGS=""
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fi
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AC_SUBST(DEPRECATED_CFLAGS)
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dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
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GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
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AC_SUBST(GST_OPTION_CFLAGS)
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dnl FIXME: do we want to rename to GST_ALL_* ?
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dnl prefer internal headers to already installed ones
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dnl also add builddir include for enumtypes and marshal
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dnl add GST_OPTION_CFLAGS, but overridable
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GST_CFLAGS="$GST_CFLAGS -DGST_USE_UNSTABLE_API"
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GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
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AC_SUBST(GST_CFLAGS)
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AC_SUBST(GST_LIBS)
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GST_ALL_LDFLAGS="-no-undefined"
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AC_SUBST(GST_ALL_LDFLAGS)
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dnl this really should only contain flags, not libs - they get added before
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dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
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GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_desc.*' $GST_ALL_LDFLAGS"
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AC_SUBST(GST_PLUGIN_LDFLAGS)
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dnl Add MacOSX specific flags
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AC_CANONICAL_HOST
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case $host_os in
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darwin*)
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DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress"
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;;
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*)
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DARWIN_LDFLAGS=""
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;;
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esac
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AC_SUBST(DARWIN_LDFLAGS)
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dnl *** Check for bz2
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AG_GST_CHECK_LIBHEADER(BZ2, bz2, BZ2_bzlibVersion, , bzlib.h, have_bz2=yes, have_bz2=no)
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AM_CONDITIONAL(HAVE_BZ2, test "x$have_bz2" = "xyes")
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if test "x$have_bz2" = "xno"; then
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AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks])
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fi
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AC_ARG_ENABLE(lgpl,
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[AC_HELP_STRING([--enable-lgpl], [build a LGPL licensed gst-libav])])
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AM_CONDITIONAL(GST_LIBAV_ENABLE_LGPL, test "x$enable_lgpl" = "xyes")
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if test "x$enable_lgpl" = "xyes"; then
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AC_DEFINE([GST_LIBAV_ENABLE_LGPL], [], [Defined if building a LGPL-only version of gst-libav])
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fi
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dnl *** configure external libs ***
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HAVE_LIBAV_UNINSTALLED=1
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AC_ARG_WITH(system-libav,
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[AC_HELP_STRING([--with-system-libav], [use system Libav libraries])])
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if test "x$with_system_libav" = "xyes"; then
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PKG_CHECK_MODULES(LIBAV, libavformat libavcodec libavutil)
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if test "x$enable_lgpl" != "xyes"; then
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PKG_CHECK_MODULES(POSTPROC, libpostproc libavcodec libavutil)
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fi
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PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
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saved_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
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AC_CHECK_HEADERS([avi.h])
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CPPFLAGS="$saved_CPPFLAGS"
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AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
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HAVE_LIBAV_UNINSTALLED=0
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AC_MSG_NOTICE([Using system-installed FFMpeg code])
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AC_MSG_WARN([
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======================================================================
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WARNING: you have chosen to build gst-libav against a random
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external version of Libav instead of building it against the tested
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internal Libav snapshot that is included with gst-libav.
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This is a very bad idea. So bad in fact that words cannot express
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just how bad it is. Suffice to say that it is BAD.
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The GStreamer developers cannot and will not support a gst-libav
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built this way. Any bug reports that indicate there is an external
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version of Libav involved will be closed immediately without further
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investigation.
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The reason such a setup can't be supported is that the Libav API
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and ABI is in constant flux, yet there aren't any official releases
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of the Libav library to develop against. This makes it impossible
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to guarantee that gst-libav will work reliably, or even compile,
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with a randomly picked version Libav. Even if gst-libav compiles
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and superficially appears to work fine against your chosen external
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Libav version, that might just not be the case on other systems, or
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even the same system at a later time, or when using decoders,
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encoders, demuxers or muxers that have not been tested.
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Please do not create or distribute binary packages of gst-Libav
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that link against an external libav. Thank you!
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======================================================================
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])
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dnl No, this is not too extreme, we want people to see and read the above
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sleep 15
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else
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AC_MSG_NOTICE([Using local Libav snapshot])
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dnl libgstlibav.la: include dirs
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LIBAV_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav/libavutil \
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-I \$(top_srcdir)/gst-libs/ext/libav/libavformat \
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-I \$(top_srcdir)/gst-libs/ext/libav/libavcodec \
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-I \$(top_srcdir)/gst-libs/ext/libav \
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-I \$(top_builddir)/gst-libs/ext/libav \
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-Wno-deprecated-declarations"
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dnl libgstlibav.la: libs to statically link to
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LIBAV_LIBS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
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\$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
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\$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
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dnl
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POSTPROC_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav/libpostproc \
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-I \$(top_srcdir)/gst-libs/ext/libav/libavutil \
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-I \$(top_srcdir)/gst-libs/ext/libav/libavcodec \
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-I \$(top_srcdir)/gst-libs/ext/libav \
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-I \$(top_builddir)/gst-libs/ext/libav \
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-Wno-deprecated-declarations"
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dnl libgstpostproc.la: libs to statically link to
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POSTPROC_LIBS="\$(top_builddir)/gst-libs/ext/libav/libpostproc/libpostproc.a \
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\$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
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dnl
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SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav/libswscale \
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-I \$(top_srcdir)/gst-libs/ext/libav/libavutil \
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-I \$(top_srcdir)/gst-libs/ext/libav \
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-I \$(top_builddir)/gst-libs/ext/libav \
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-Wno-deprecated-declarations"
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dnl libgstswscale.la: libs to statically link to
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SWSCALE_LIBS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \
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\$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
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LIBAV_SUBDIRS=gst-libs
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AC_DEFINE(HAVE_AVI_H)
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AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
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AC_ARG_WITH(libav-extra-configure,
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AC_HELP_STRING([--with-libav-extra-configure="xxx"],
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[extra configure options for internal libav ./configure script]),,
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with_libav=no)
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# basic arguments
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emblibav_configure_args="--prefix=$prefix"
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# Enable pic and static so that we get .a files, but with PIC code.
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emblibav_configure_args="$emblibav_configure_args --disable-avserver --disable-avplay\
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--disable-ffmpeg --disable-avprobe --enable-static --enable-pic \
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--disable-encoder=flac --disable-decoder=cavs --disable-protocols --disable-devices\
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--disable-network --disable-hwaccels --disable-filters --disable-doc\
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--enable-optimizations"
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if test "x$enable_lgpl" != "xyes"; then
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emblibav_configure_args="$emblibav_configure_args --enable-postproc \
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--enable-gpl"
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fi
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# if we are cross-compiling, tell libav so
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target_os=`echo $host_os | sed 's/-gnu//'`
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if test "x$cross_compiling" = xyes; then
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emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \
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--target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-"
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fi
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case $host_os in
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# Unfortunately, in Mac OS 10.5 the current rev of libav builds
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# some non-PIC code into the .a file. See
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# http://trac.macosforge.org/projects/macports/ticket/13725 for more
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# info.
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darwin*)
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emblibav_configure_args="$emblibav_configure_args --disable-mmx --disable-altivec"
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;;
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mingw32*)
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emblibav_configure_args="$emblibav_configure_args --enable-memalign-hack"
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WIN32_LIBS="-lws2_32"
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;;
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*)
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WIN32_LIBS=
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;;
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esac
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dnl checks for extra enable/disable flags
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LIBAV_OPTS="(cd $srcdir/gst-libs/ext/libav && ./configure --help)"
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# Let's check if we can disable the building of the libav binary
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can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'`
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if test "$can_disable" != ""; then
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emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg"
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fi
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dnl check if libswscale needs enabling explicitly
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can_enable=`echo "$LIBAV_OPTS" | grep 'enable-swscale'`
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if test "$can_enable" != ""; then
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emblibav_configure_args="$emblibav_configure_args --enable-swscale"
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fi
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# append extra configure options to emblibav_configure_args if needed
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if test "x$with_libav_extra_configure" != "xno"; then
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emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure"
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fi
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AC_SUBST(LIBAV_CO_DIR)
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AC_SUBST(LIBAV_SVN)
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AC_SUBST(LIBAV_REVISION)
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AC_SUBST(LIBAV_EXTERNALS_REVISION)
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AC_CONFIG_COMMANDS([configure-embedded-libav],
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[echo "Configuring included Libav instance with args $emblibav_configure_args"
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origdir=`pwd`
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dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it
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dnl to detect out-of-tree builds
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if test -z "$srcdir" -o "$srcdir" = .; then
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confcmd=./configure
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else
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confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure
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fi
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AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
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cd "$ac_top_build_prefix"gst-libs/ext/libav &&
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eval "$confcmd $emblibav_configure_args" ||
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AC_MSG_ERROR([Failed to configure embedded Libav tree])
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cd "$origdir"
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],
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[emblibav_configure_args="$emblibav_configure_args"])
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AC_MSG_NOTICE([Using included Libav code])
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fi
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AC_SUBST(LIBAV_CFLAGS)
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AC_SUBST(LIBAV_LIBS)
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AC_SUBST(LIBAV_SUBDIRS)
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AC_SUBST(POSTPROC_CFLAGS)
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AC_SUBST(POSTPROC_LIBS)
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AC_SUBST(SWSCALE_CFLAGS)
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AC_SUBST(SWSCALE_LIBS)
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AC_SUBST(WIN32_LIBS)
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if test x$HAVE_LIBAV_UNINSTALLED = x1; then
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AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source])
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fi
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AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1)
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AC_CONFIG_FILES(
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Makefile
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common/Makefile
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common/m4/Makefile
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gst-libav.spec
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ext/Makefile
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ext/ffmpeg/Makefile
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ext/libpostproc/Makefile
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ext/libswscale/Makefile
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gst-libs/Makefile
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gst-libs/ext/Makefile
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docs/Makefile
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docs/version.entities
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tests/Makefile
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tests/check/Makefile
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tests/files/Makefile
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)
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AC_OUTPUT
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ORC_OUTPUT
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