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gstreamer/configure.ac
Tim-Philipp Müller 6b4825428d configure.ac: Add -no-undefined to GST_ALL_LDFLAGS; without it, no shared libs will be built or installed on MingW fo... 
Original commit message from CVS:
* configure.ac:
Add -no-undefined to GST_ALL_LDFLAGS; without it, no shared libs
will be built or installed on MingW for our plugins in ext/; also,
it looks like the right thing to do and we do it for all our other
plugin modules as well. Fixes #440253.
2007-05-24 08:51:52 +00:00

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AC_PREREQ(2.52)
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 FFMpeg, 0.10.2.1,
http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
gst-ffmpeg)
AG_GST_INIT
dnl initialize automake
AM_INIT_AUTOMAKE
dnl define PACKAGE_VERSION_* variables
AS_VERSION
dnl check if this is a release version
AS_NANO(GST_CVS="no", GST_CVS="yes")
dnl can autoconf find the source ?
AC_CONFIG_SRCDIR([ext/ffmpeg/gstffmpeg.c])
dnl define the output header for config
AM_CONFIG_HEADER([config.h])
dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
AM_MAINTAINER_MODE
dnl sets host_* variables
AC_CANONICAL_HOST
dnl our libraries and install dirs use major.minor as a version
GST_MAJORMINOR=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR
dnl we override it here if we need to for the release candidate of new series
GST_MAJORMINOR=0.10
AC_SUBST(GST_MAJORMINOR)
AM_PROG_LIBTOOL
dnl *** required versions of GStreamer stuff ***
GST_REQ=0.10.4
LIBOIL_MAJORMINOR=0.3
LIBOIL_REQ=0.3.6
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_WITH_PACKAGE_NAME
AG_GST_ARG_WITH_PACKAGE_ORIGIN
AG_GST_ARG_VALGRIND
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
# FIXME: are these two lines needed ?
AM_PROG_CC_STDC
AS="${CC}"
AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
dnl check for documentation tools
GTK_DOC_CHECK([1.3])
AS_PATH_PYTHON([2.1])
dnl *** checks for libraries ***
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 checks for gstreamer
dnl uninstalled is selected preferentially -- see pkg-config(1)
AG_GST_CHECK_GST($GST_MAJORMINOR, [$GST_REQ])
AG_GST_CHECK_GST_BASE($GST_MAJORMINOR, [$GST_REQ])
AG_GST_CHECK_GST_PLUGINS_BASE($GST_MAJORMINOR, [$GST_REQ])
AG_GST_CHECK_GST_CHECK($GST_MAJORMINOR, [$GST_REQ], no)
AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
dnl liboil is required
PKG_CHECK_MODULES(LIBOIL, liboil-$LIBOIL_MAJORMINOR >= $LIBOIL_REQ, HAVE_LIBOIL=yes, HAVE_LIBOIL=no)
if test "x$HAVE_LIBOIL" != "xyes"
then
AC_ERROR([liboil-$LIBOIL_REQ or later is required])
fi
AC_SUBST(LIBOIL_CFLAGS)
AC_SUBST(LIBOIL_LIBS)
dnl *** set variables based on configure arguments ***
dnl set location of plugin directory
AG_GST_SET_PLUGINDIR
dnl define an ERROR_CFLAGS Makefile variable
AG_GST_SET_ERROR_CFLAGS($GST_CVS)
dnl define correct level for debugging messages
AG_GST_SET_LEVEL_DEFAULT($GST_CVS)
dnl *** finalize CFLAGS, LDFLAGS, LIBS ***
dnl Overview:
dnl GST_OPTION_CFLAGS: common flags for profiling, debugging, errors, ...
dnl GST_*: flags shared by built objects to link against GStreamer
dnl GST_ALL_LDFLAGS: linker flags shared by all
dnl GST_LIB_LDFLAGS: additional linker flags for all libaries
dnl GST_LT_LDFLAGS: library versioning of our libraries
dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
dnl GST_OPTION_CFLAGS
if test "x$USE_DEBUG" = xyes; then
PROFILE_CFLAGS="-g"
fi
AC_SUBST(PROFILE_CFLAGS)
DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
AC_SUBST(DEPRECATED_CFLAGS)
dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
GST_OPTION_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="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS \$(GST_OPTION_CFLAGS)"
AC_SUBST(GST_CFLAGS)
AC_SUBST(GST_LIBS)
GST_ALL_LDFLAGS="-no-undefined"
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_desc\$\$' $GST_ALL_LDFLAGS"
AC_SUBST(GST_PLUGIN_LDFLAGS)
dnl FIXME: get rid of this by making sure gstreamer-check brings it in
dnl check for "check", unit testing library/header
AM_PATH_CHECK(0.9.2, HAVE_CHECK=yes, HAVE_CHECK=no)
AM_CONDITIONAL(HAVE_CHECK, test "x$HAVE_CHECK" = "xyes")
dnl Add MacOSX specific flags
AC_CANONICAL_HOST
case $host_os in
darwin*)
DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress"
;;
*)
DARWIN_LDFLAGS=""
;;
esac
AC_SUBST(DARWIN_LDFLAGS)
dnl *** configure external libs ***
HAVE_FFMPEG_UNINSTALLED=1
AC_ARG_WITH(system-ffmpeg,
[AC_HELP_STRING([--with-system-ffmpeg], [use system FFmpeg libraries])])
if test "x$with_system_ffmpeg" = "xyes"; then
PKG_CHECK_MODULES(FFMPEG, libavutil libavcodec libavformat)
PKG_CHECK_MODULES(POSTPROC, libavcodec libpostproc)
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $FFMPEG_CFLAGS"
AC_CHECK_HEADERS([avi.h])
CPPFLAGS="$saved_CPPFLAGS"
AC_DEFINE([FFMPEG_SOURCE], ["system install"], [Describes where the FFmpeg libraries come from.])
HAVE_FFMPEG_UNINSTALLED=0
AC_MSG_NOTICE([Using system-installed FFMpeg code])
else
FFMPEG_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/ffmpeg/libavformat \
-I \$(top_srcdir)/gst-libs/ext/ffmpeg/libavutil \
-I \$(top_srcdir)/gst-libs/ext/ffmpeg/libavcodec"
FFMPEG_LIBS="\$(top_builddir)/gst-libs/ext/ffmpeg/libavformat/libavformat.la"
POSTPROC_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/ffmpeg/libpostproc \
-I \$(top_srcdir)/gst-libs/ext/ffmpeg/libavformat \
-I \$(top_srcdir)/gst-libs/ext/ffmpeg/libavutil \
-I \$(top_srcdir)/gst-libs/ext/ffmpeg/libavcodec"
POSTPROC_LIBS="\$(top_builddir)/gst-libs/ext/ffmpeg/libavcodec/libavcodec.la"
FFMPEG_SUBDIRS=gst-libs
AC_DEFINE(HAVE_AVI_H)
AC_DEFINE([FFMPEG_SOURCE], ["local snapshot"], [Describes where the FFmpeg libraries come from.])
ac_configure_args="$ac_configure_args --disable-v4l --disable-audio-oss --disable-dv1394 --disable-vhook --disable-ffmpeg --disable-ffserver --disable-ffplay --disable-sdltest --enable-pp"
AC_CONFIG_SUBDIRS(gst-libs/ext/ffmpeg)
AC_MSG_NOTICE([Using included FFMpeg code])
fi
AC_SUBST(FFMPEG_CFLAGS)
AC_SUBST(FFMPEG_LIBS)
AC_SUBST(FFMPEG_SUBDIRS)
AC_DEFINE_UNQUOTED(HAVE_FFMPEG_UNINSTALLED, $HAVE_FFMPEG_UNINSTALLED,
[Defined if building against uninstalled FFmpeg source])
AM_CONDITIONAL(HAVE_FFMPEG_UNINSTALLED, test x$HAVE_FFMPEG_UNINSTALLED = x1)
AC_CONFIG_FILES(
Makefile
gst-ffmpeg.spec
ext/Makefile
ext/ffmpeg/Makefile
ext/libpostproc/Makefile
gst-libs/Makefile
gst-libs/ext/Makefile
docs/Makefile
docs/version.entities
docs/plugins/Makefile
common/Makefile
common/m4/Makefile
tests/Makefile
tests/check/Makefile
)
AC_OUTPUT
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