gstreamer/configure.ac
2019-05-13 17:00:00 -04:00

480 lines
15 KiB
Text

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, 1.17.0.1,
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 $AS vs detected by AS_LIBTOOL
orig_AS="$AS"
AG_GST_LIBTOOL_PREPARE
AS_LIBTOOL(GST, 1700, 0, 1700)
dnl *** required versions of GStreamer stuff ***
GST_REQ=1.17.0.1
GST_PBREQ=1.17.0.1
ORC_REQ=0.4.16
ORC_CHECK([$ORC_REQ])
dnl *** autotools stuff ****
dnl allow for different autotools
AS_AUTOTOOLS_ALTERNATE
dnl Add parameters for aclocal
AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
dnl *** check for arguments to configure ***
AG_GST_ARG_DISABLE_FATAL_WARNINGS
AG_GST_ARG_ENABLE_EXTRA_CHECKS
AG_GST_ARG_WITH_PKG_CONFIG_PATH
AG_GST_ARG_WITH_PACKAGE_NAME
AG_GST_ARG_WITH_PACKAGE_ORIGIN
AG_GST_ARG_VALGRIND
AG_GST_ARG_GCOV
dnl *** checks for platform ***
dnl * hardware/architecture *
dnl common/m4/gst-arch.m4
dnl check CPU type
AG_GST_ARCH
dnl *** software ***
dnl check for large file support
dnl affected plugins must include config.h
AC_SYS_LARGEFILE
dnl *** checks for programs ***
dnl find a compiler
AC_PROG_CC
AC_PROG_CC_STDC
dnl check if the compiler supports '-c' and '-o' options
AM_PROG_CC_C_O
AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
dnl *** 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="${LIBS}"
AC_MSG_CHECKING([for -Bsymbolic linker flag])
LDFLAGS=-Wl,-Bsymbolic
LIBS=
AC_TRY_LINK([], [return 0],
AC_MSG_RESULT(yes)
enable_Bsymbolic=yes,
AC_MSG_RESULT(no)
enable_Bsymbolic=no)
LDFLAGS="${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 disable strict aliasing
AS_COMPILER_FLAG([-fno-strict-aliasing], [EXTRA_CFLAGS="-fno-strict-aliasing"])
AC_SUBST(EXTRA_CFLAGS)
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 $EXTRA_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"
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 >= 58 libavutil)
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
AC_CHECK_HEADERS([avi.h])
AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
HAVE_LIBAV_UNINSTALLED=0
AC_MSG_NOTICE([Using system-installed libav code])
AC_MSG_CHECKING([whether libav is provided by FFmpeg])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <libavcodec/avcodec.h>
]],[[
#if LIBAVCODEC_VERSION_MICRO >= 100
/* FFmpeg uses 100+ as its micro version */
#else
#error libav provider should be FFmpeg
#endif
]])], [is_ffmpeg=yes], [is_ffmpeg=no])
AC_MSG_RESULT([$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 <bzlib.h>]], [[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="$LIBS -llzma"
AC_MSG_CHECKING([for lzma_version_string in -llzma])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <lzma.h>]], [[const char *version = lzma_version_string ();]])],[HAVE_LZMA=yes],[HAVE_LZMA=no])
AC_MSG_RESULT($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_CPPFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
-I \$(top_builddir)/gst-libs/ext/libav"
LIBAV_CFLAGS="-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 \
$ac_pwd/gst-libs/ext/libavutil.la"
LIBAV_SUBDIRS=gst-libs
AC_DEFINE(HAVE_AVI_H)
AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
AC_ARG_WITH(libav-extra-configure,
AC_HELP_STRING([--with-libav-extra-configure="xxx"],
[extra configure options for internal libav ./configure script]),,
with_libav=no)
# basic arguments
emblibav_configure_args="--prefix=$prefix"
# Enable pic and static so that we get .a files, but with PIC code.
emblibav_configure_args="$emblibav_configure_args \
--enable-static --enable-pic \
--disable-avdevice --disable-postproc --disable-swscale \
--disable-programs --disable-ffplay --disable-ffprobe --disable-ffmpeg \
--disable-encoder=flac --disable-protocols --disable-devices \
--disable-network --disable-hwaccels --disable-dxva2 --disable-vdpau \
--disable-filters --enable-filter=yadif --disable-doc --disable-d3d11va \
--disable-audiotoolbox --disable-videotoolbox --disable-vaapi --disable-crystalhd \
--disable-mediacodec --disable-nvenc --disable-mmal --disable-omx \
--disable-omx-rpi --disable-cuda --disable-cuvid --disable-libmfx \
--disable-libnpp --disable-iconv --disable-jni --disable-v4l2_m2m --enable-optimizations"
if test "x$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 $host_os in
mingw32*)
WIN32_LIBS="-lws2_32 -lbcrypt"
;;
*)
WIN32_LIBS=
;;
esac
if test x"$AR" != x; then
emblibav_configure_args="$emblibav_configure_args --ar=\\\"\\\$AR\\\""
fi
if test x"$orig_AS" != x; then
emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$orig_AS\\\""
export orig_AS
elif test x"$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
# 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 "$srcdir" = .; then
confcmd=./configure
else
confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure
fi
gasppdir="$ac_abs_top_srcdir"/gst-libs/ext/gas-preprocessor
AS_MKDIR_P(["$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_CPPFLAGS)
AC_SUBST(LIBAV_CFLAGS)
AC_SUBST(LIBAV_DEPS)
AC_SUBST(LIBAV_LIBS)
AC_SUBST(LIBAV_SUBDIRS)
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
gst-libs/Makefile
gst-libs/ext/Makefile
tests/Makefile
tests/check/Makefile
tests/files/Makefile
pkgconfig/Makefile
pkgconfig/gstreamer-plugins-libav-uninstalled.pc
)
AC_OUTPUT
ORC_OUTPUT