3 dnl initialize autoconf
4 dnl when going to/from release please set the nano (fourth number) right !
5 dnl releases only do Wall, cvs and prerelease does Werror too
6 AC_INIT(GStreamer libav, 1.5.0.1,
7 http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
12 dnl initialize automake
13 AM_INIT_AUTOMAKE([-Wno-portability 1.11 no-dist-gzip dist-xz tar-ustar subdir-objects])
15 dnl define PACKAGE_VERSION_* variables
18 dnl check if this is a release version
19 AS_NANO(GST_GIT="no", GST_GIT="yes")
21 dnl can autoconf find the source ?
22 AC_CONFIG_SRCDIR([ext/libav/gstav.c])
24 dnl define the output header for config
25 AC_CONFIG_HEADERS([config.h])
27 dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
28 AM_MAINTAINER_MODE([enable])
30 dnl sets host_* variables
33 dnl use pretty build output with automake >= 1.11
34 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])],
35 [AM_DEFAULT_VERBOSITY=1
36 AC_SUBST(AM_DEFAULT_VERBOSITY)])
38 dnl our libraries and install dirs use major.minor as a version
39 GST_API_VERSION=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR
40 dnl we override it here if we need to for the release candidate of new series
42 AC_SUBST(GST_API_VERSION)
44 AG_GST_LIBTOOL_PREPARE
45 AS_LIBTOOL(GST, 501, 0, 501)
47 dnl *** required versions of GStreamer stuff ***
54 dnl *** autotools stuff ****
56 dnl allow for different autotools
57 AS_AUTOTOOLS_ALTERNATE
59 dnl Add parameters for aclocal
60 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
62 dnl *** check for arguments to configure ***
64 AG_GST_ARG_DISABLE_FATAL_WARNINGS
66 AG_GST_ARG_WITH_PKG_CONFIG_PATH
67 AG_GST_ARG_WITH_PACKAGE_NAME
68 AG_GST_ARG_WITH_PACKAGE_ORIGIN
72 dnl *** checks for platform ***
74 dnl * hardware/architecture *
76 dnl common/m4/gst-arch.m4
80 dnl *** checks for programs ***
86 dnl check if the compiler supports '-c' and '-o' options
89 AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
90 AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
92 dnl check for documentation tools
94 AG_GST_PLUGIN_DOCS([1.12])
96 dnl *** checks for libraries ***
98 dnl check for libm, for sin()
102 dnl *** checks for header files ***
104 dnl check if we have ANSI C header files
107 dnl *** checks for types/defines ***
109 dnl *** checks for structures ***
111 dnl *** checks for compiler characteristics ***
113 dnl *** checks for library functions ***
115 dnl *** checks for dependancy libraries ***
117 dnl checks for gstreamer
118 dnl uninstalled is selected preferentially -- see pkg-config(1)
119 AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ])
120 AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ])
121 AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_PBREQ])
122 AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no)
123 AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
125 AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
126 AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
128 dnl *** set variables based on configure arguments ***
130 dnl set location of plugin directory
133 dnl build static plugins or not
134 AC_MSG_CHECKING([whether to build static plugins or not])
138 [--enable-static-plugins],
139 [build static plugins @<:@default=no@:>@]),
141 [$enableval], [no], [], [yes], [],
142 [AC_MSG_ERROR([bad value "$enableval" for --enable-static-plugins])])],
143 [enable_static_plugins=no])
144 AC_MSG_RESULT([$enable_static_plugins])
145 if test "x$enable_static_plugins" = xyes; then
146 AC_DEFINE(GST_PLUGIN_BUILD_STATIC, 1,
147 [Define if static plugins should be built])
148 GST_PLUGIN_LIBTOOLFLAGS=""
150 GST_PLUGIN_LIBTOOLFLAGS="--tag=disable-static"
152 AC_SUBST(GST_PLUGIN_LIBTOOLFLAGS)
153 AM_CONDITIONAL(GST_PLUGIN_BUILD_STATIC, test "x$enable_static_plugins" = "xyes")
155 dnl define an ERROR_CFLAGS Makefile variable
156 AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [
157 -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
158 -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition
159 -Winit-self -Wmissing-include-dirs -Waddress
160 -Waggregate-return -Wno-multichar -Wnested-externs ])
162 dnl define correct level for debugging messages
163 AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
165 dnl *** finalize CFLAGS, LDFLAGS, LIBS ***
168 dnl GST_OPTION_CFLAGS: common flags for profiling, debugging, errors, ...
169 dnl GST_*: flags shared by built objects to link against GStreamer
170 dnl GST_ALL_LDFLAGS: linker flags shared by all
171 dnl GST_LIB_LDFLAGS: additional linker flags for all libaries
172 dnl GST_LT_LDFLAGS: library versioning of our libraries
173 dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
175 dnl GST_OPTION_CFLAGS
176 if test "x$USE_DEBUG" = xyes; then
179 AC_SUBST(PROFILE_CFLAGS)
181 if test "x$GST_GIT" = "xyes"; then
182 DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
186 AC_SUBST(DEPRECATED_CFLAGS)
188 dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
189 GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
191 AC_SUBST(GST_OPTION_CFLAGS)
193 dnl FIXME: do we want to rename to GST_ALL_* ?
194 dnl prefer internal headers to already installed ones
195 dnl also add builddir include for enumtypes and marshal
196 dnl add GST_OPTION_CFLAGS, but overridable
197 GST_CFLAGS="$GST_CFLAGS"
198 GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
202 GST_ALL_LDFLAGS="-no-undefined"
203 AC_SUBST(GST_ALL_LDFLAGS)
205 dnl this really should only contain flags, not libs - they get added before
206 dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
207 GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_.*' $GST_ALL_LDFLAGS"
208 AC_SUBST(GST_PLUGIN_LDFLAGS)
210 dnl Add MacOSX specific flags
214 DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress"
220 AC_SUBST(DARWIN_LDFLAGS)
222 dnl *** Check for bz2
225 AC_MSG_CHECKING([for BZ2_bzlibVersion in -lbz2])
226 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <bzlib.h>]], [[const char *version = BZ2_bzlibVersion ();]])],[HAVE_BZ2=yes],[HAVE_BZ2=no])
227 AC_MSG_RESULT($HAVE_BZ2)
229 AM_CONDITIONAL(HAVE_BZ2, test "x$HAVE_BZ2" = "xyes")
230 if test "x$HAVE_BZ2" = "xno"; then
231 AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks])
235 [AC_HELP_STRING([--enable-lgpl], [build a LGPL licensed gst-libav])])
236 AM_CONDITIONAL(GST_LIBAV_ENABLE_LGPL, test "x$enable_lgpl" = "xyes")
237 if test "x$enable_lgpl" = "xyes"; then
238 AC_DEFINE([GST_LIBAV_ENABLE_LGPL], [], [Defined if building a LGPL-only version of gst-libav])
241 dnl *** configure external libs ***
243 HAVE_LIBAV_UNINSTALLED=1
245 AC_ARG_WITH(system-libav,
246 [AC_HELP_STRING([--with-system-libav], [use system Libav libraries])])
248 if test "x$with_system_libav" = "xyes"; then
249 PKG_CHECK_MODULES(LIBAV, libavformat libavcodec libavresample libavutil)
250 PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
251 saved_CPPFLAGS="$CPPFLAGS"
252 CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
253 AC_CHECK_HEADERS([avi.h])
254 CPPFLAGS="$saved_CPPFLAGS"
255 AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
256 HAVE_LIBAV_UNINSTALLED=0
257 AC_MSG_NOTICE([Using system-installed libav code])
259 AC_MSG_NOTICE([Using local Libav snapshot])
261 dnl libgstlibav.la: include dirs
262 LIBAV_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
263 -I \$(top_builddir)/gst-libs/ext/libav \
264 -Wno-deprecated-declarations"
266 LIBAV_DEPS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
267 \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
268 \$(top_builddir)/gst-libs/ext/libav/libavresample/libavresample.a \
269 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
270 if test "x$enable_static_plugins" = xyes; then
271 dnl with static linking we can't use the .a archive directly as they would
272 dnl be included in the final libgstlibav.a as a file and won't be usable.
273 dnl libav*.a must be copied to the final destination too
274 LIBAV_LIBS="-lavformat -lavcodec -lavresample -lavutil"
276 dnl libgstlibav.la: libs to statically link to
277 LIBAV_LIBS="$LIBAV_DEPS"
281 SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
282 -I \$(top_builddir)/gst-libs/ext/libav \
283 -Wno-deprecated-declarations"
285 SWSCALE_DEPS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \
286 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
287 if test "x$enable_static_plugins" = xyes; then
288 dnl with static linking we can't use the .a archive directly as they would
289 dnl be included in the final libgstswscale.a as a file and won't be usable.
290 dnl libav*.a must be copied to the final destination too
291 SWSCALE_LIBS="-lswscale -lavutil"
293 dnl libgstswscale.la: libs to statically link to
294 SWSCALE_LIBS="$SWSCALE_DEPS"
297 LIBAV_SUBDIRS=gst-libs
298 AC_DEFINE(HAVE_AVI_H)
299 AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
301 AC_ARG_WITH(libav-extra-configure,
302 AC_HELP_STRING([--with-libav-extra-configure="xxx"],
303 [extra configure options for internal libav ./configure script]),,
307 emblibav_configure_args="--prefix=$prefix"
309 # Enable pic and static so that we get .a files, but with PIC code.
310 emblibav_configure_args="$emblibav_configure_args --disable-avserver --disable-avplay\
311 --disable-avconv --disable-avprobe --enable-static --enable-pic \
312 --disable-encoder=flac --disable-decoder=cavs --disable-protocols --disable-devices\
313 --disable-network --disable-hwaccels --disable-dxva2 --disable-vdpau\
314 --disable-filters --disable-doc --enable-optimizations"
316 if test "x$enable_lgpl" != "xyes"; then
317 emblibav_configure_args="$emblibav_configure_args --enable-gpl"
320 # if we are cross-compiling, tell libav so
329 target_os=`echo $host_os | sed 's/-gnu//'`
333 if test "x$cross_compiling" = xyes; then
334 emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \
335 --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-"
340 emblibav_configure_args="$emblibav_configure_args --enable-memalign-hack"
341 WIN32_LIBS="-lws2_32"
348 if test x"$AR" != x; then
349 emblibav_configure_args="$emblibav_configure_args --ar=\\\"\\\$AR\\\""
352 if test x"$AS" != x; then
353 emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$CC\\\""
356 if test x"$CC" != x; then
357 emblibav_configure_args="$emblibav_configure_args --cc=\\\"\\\$CC\\\""
360 if test x"$LD" != x; then
361 emblibav_configure_args="$emblibav_configure_args --ld=\\\"\\\$CC\\\""
364 if test x"$NM" != x; then
365 emblibav_configure_args="$emblibav_configure_args --nm=\\\"\\\$NM\\\""
368 dnl checks for extra enable/disable flags
369 LIBAV_OPTS=`cd $srcdir/gst-libs/ext/libav && ./configure --help`
370 # Let's check if we can disable the building of the libav binary
371 can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'`
372 if test "$can_disable" != ""; then
373 emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg"
375 dnl check if libswscale needs enabling explicitly
376 can_enable=`echo "$LIBAV_OPTS" | grep 'enable-swscale'`
377 if test "$can_enable" != ""; then
378 emblibav_configure_args="$emblibav_configure_args --enable-swscale"
381 # append extra configure options to emblibav_configure_args if needed
382 if test "x$with_libav_extra_configure" != "xno"; then
383 emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure"
386 AC_SUBST(LIBAV_CO_DIR)
388 AC_SUBST(LIBAV_REVISION)
389 AC_SUBST(LIBAV_EXTERNALS_REVISION)
390 AC_CONFIG_COMMANDS([configure-embedded-libav],
391 [echo "Configuring included Libav instance with args $emblibav_configure_args"
393 dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it
394 dnl to detect out-of-tree builds
395 if test -z "$srcdir" -o "$srcdir" = .; then
398 confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure
401 AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
402 cd "$ac_top_build_prefix"gst-libs/ext/libav &&
403 eval "$confcmd $emblibav_configure_args" ||
404 AC_MSG_ERROR([Failed to configure embedded Libav tree])
407 [emblibav_configure_args="$emblibav_configure_args"])
408 AC_MSG_NOTICE([Using included Libav code])
411 AC_SUBST(LIBAV_CFLAGS)
414 AC_SUBST(LIBAV_SUBDIRS)
415 AC_SUBST(SWSCALE_CFLAGS)
416 AC_SUBST(SWSCALE_DEPS)
417 AC_SUBST(SWSCALE_LIBS)
420 if test x$HAVE_LIBAV_UNINSTALLED = x1; then
421 AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source])
423 AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1)
432 ext/libswscale/Makefile
434 gst-libs/ext/Makefile
436 docs/plugins/Makefile
437 docs/version.entities
442 pkgconfig/gstreamer-plugins-libav-uninstalled.pc