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, 1.7.0.1,
7 http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
12 dnl initialize automake
13 AM_INIT_AUTOMAKE([-Wno-portability 1.14 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 by default
34 AM_SILENT_RULES([yes])
36 dnl our libraries and install dirs use major.minor as a version
37 GST_API_VERSION=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR
38 dnl we override it here if we need to for the release candidate of new series
40 AC_SUBST(GST_API_VERSION)
42 AG_GST_LIBTOOL_PREPARE
43 AS_LIBTOOL(GST, 700, 0, 700)
45 dnl *** required versions of GStreamer stuff ***
52 dnl *** autotools stuff ****
54 dnl allow for different autotools
55 AS_AUTOTOOLS_ALTERNATE
57 dnl Add parameters for aclocal
58 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
60 dnl *** check for arguments to configure ***
62 AG_GST_ARG_DISABLE_FATAL_WARNINGS
64 AG_GST_ARG_WITH_PKG_CONFIG_PATH
65 AG_GST_ARG_WITH_PACKAGE_NAME
66 AG_GST_ARG_WITH_PACKAGE_ORIGIN
70 dnl *** checks for platform ***
72 dnl * hardware/architecture *
74 dnl common/m4/gst-arch.m4
78 dnl *** checks for programs ***
84 dnl check if the compiler supports '-c' and '-o' options
87 AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
88 AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
90 dnl check for documentation tools
92 AG_GST_PLUGIN_DOCS([1.12])
94 dnl *** checks for libraries ***
96 dnl check for libm, for sin()
100 dnl *** checks for header files ***
102 dnl check if we have ANSI C header files
105 dnl *** checks for types/defines ***
107 dnl *** checks for structures ***
109 dnl *** checks for compiler characteristics ***
111 dnl *** checks for library functions ***
113 dnl *** checks for dependancy libraries ***
118 AG_GST_GLIB_CHECK([$GLIB_REQ])
120 dnl checks for gstreamer
121 dnl uninstalled is selected preferentially -- see pkg-config(1)
122 AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ])
123 AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ])
124 AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_PBREQ])
125 AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no)
126 AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
128 AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
129 AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
131 dnl *** set variables based on configure arguments ***
133 dnl set location of plugin directory
136 dnl build static plugins or not
137 AC_MSG_CHECKING([whether to build static plugins or not])
141 [--enable-static-plugins],
142 [build static plugins @<:@default=no@:>@]),
144 [$enableval], [no], [], [yes], [],
145 [AC_MSG_ERROR([bad value "$enableval" for --enable-static-plugins])])],
146 [enable_static_plugins=no])
147 AC_MSG_RESULT([$enable_static_plugins])
148 if test "x$enable_static_plugins" = xyes; then
149 AC_DEFINE(GST_PLUGIN_BUILD_STATIC, 1,
150 [Define if static plugins should be built])
151 GST_PLUGIN_LIBTOOLFLAGS=""
153 GST_PLUGIN_LIBTOOLFLAGS="--tag=disable-static"
155 AC_SUBST(GST_PLUGIN_LIBTOOLFLAGS)
156 AM_CONDITIONAL(GST_PLUGIN_BUILD_STATIC, test "x$enable_static_plugins" = "xyes")
158 dnl define an ERROR_CFLAGS Makefile variable
159 AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [
160 -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
161 -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition
162 -Winit-self -Wmissing-include-dirs -Waddress
163 -Waggregate-return -Wno-multichar -Wnested-externs ])
165 dnl define correct level for debugging messages
166 AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
168 dnl *** finalize CFLAGS, LDFLAGS, LIBS ***
171 dnl GST_OPTION_CFLAGS: common flags for profiling, debugging, errors, ...
172 dnl GST_*: flags shared by built objects to link against GStreamer
173 dnl GST_ALL_LDFLAGS: linker flags shared by all
174 dnl GST_LIB_LDFLAGS: additional linker flags for all libaries
175 dnl GST_LT_LDFLAGS: library versioning of our libraries
176 dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
178 dnl GST_OPTION_CFLAGS
179 if test "x$USE_DEBUG" = xyes; then
182 AC_SUBST(PROFILE_CFLAGS)
184 if test "x$GST_GIT" = "xyes"; then
185 DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
189 AC_SUBST(DEPRECATED_CFLAGS)
191 dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
192 GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
194 AC_SUBST(GST_OPTION_CFLAGS)
196 dnl FIXME: do we want to rename to GST_ALL_* ?
197 dnl prefer internal headers to already installed ones
198 dnl also add builddir include for enumtypes and marshal
199 dnl add GST_OPTION_CFLAGS, but overridable
200 GST_CFLAGS="$GST_CFLAGS"
201 GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
205 GST_ALL_LDFLAGS="-no-undefined"
206 AC_SUBST(GST_ALL_LDFLAGS)
208 dnl this really should only contain flags, not libs - they get added before
209 dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
210 GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_.*' $GST_ALL_LDFLAGS"
211 AC_SUBST(GST_PLUGIN_LDFLAGS)
213 dnl Add MacOSX specific flags
217 DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress"
223 AC_SUBST(DARWIN_LDFLAGS)
225 dnl *** Check for bz2
228 AC_MSG_CHECKING([for BZ2_bzlibVersion in -lbz2])
229 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <bzlib.h>]], [[const char *version = BZ2_bzlibVersion ();]])],[HAVE_BZ2=yes],[HAVE_BZ2=no])
230 AC_MSG_RESULT($HAVE_BZ2)
232 AM_CONDITIONAL(HAVE_BZ2, test "x$HAVE_BZ2" = "xyes")
233 if test "x$HAVE_BZ2" = "xno"; then
234 AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks])
237 dnl *** Check for lzma
240 AC_MSG_CHECKING([for lzma_version_string in -llzma])
241 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <lzma.h>]], [[const char *version = lzma_version_string ();]])],[HAVE_LZMA=yes],[HAVE_LZMA=no])
242 AC_MSG_RESULT($HAVE_LZMA)
244 AM_CONDITIONAL(HAVE_LZMA, test "x$HAVE_LZMA" = "xyes")
245 if test "x$HAVE_LZMA" = "xno"; then
246 AC_WARN([lzma not found, tiff reader will not be able to read lzma files])
250 [AC_HELP_STRING([--enable-gpl], [build a GPL licensed gst-libav])])
251 AM_CONDITIONAL(GST_LIBAV_ENABLE_GPL, test "x$enable_gpl" = "xyes")
252 if test "x$enable_gpl" = "xyes"; then
253 AC_DEFINE([GST_LIBAV_ENABLE_GPL], [], [Defined if building a GPL-licensed version of gst-libav])
256 dnl *** configure external libs ***
258 HAVE_LIBAV_UNINSTALLED=1
260 AC_ARG_WITH(system-libav,
261 [AC_HELP_STRING([--with-system-libav], [use system Libav libraries])])
263 if test "x$with_system_libav" = "xyes"; then
264 PKG_CHECK_MODULES(LIBAV, libavformat libavcodec libavutil)
265 PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
266 saved_CPPFLAGS="$CPPFLAGS"
267 CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
268 AC_CHECK_HEADERS([avi.h])
269 CPPFLAGS="$saved_CPPFLAGS"
270 AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
271 HAVE_LIBAV_UNINSTALLED=0
272 AC_MSG_NOTICE([Using system-installed libav code])
274 AC_MSG_NOTICE([Using local Libav snapshot])
276 dnl libgstlibav.la: include dirs
277 LIBAV_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
278 -I \$(top_builddir)/gst-libs/ext/libav \
279 -Wno-deprecated-declarations"
281 LIBAV_DEPS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
282 \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
283 \$(top_builddir)/gst-libs/ext/libav/libswresample/libswresample.a \
284 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
285 if test "x$enable_static_plugins" = xyes; then
286 dnl with static linking we can't use the .a archive directly as they would
287 dnl be included in the final libgstlibav.a as a file and won't be usable.
288 dnl libav*.a must be copied to the final destination too
289 LIBAV_LIBS="-lavformat -lavcodec -lswresample -lavutil"
291 dnl libgstlibav.la: libs to statically link to
292 LIBAV_LIBS="$LIBAV_DEPS"
296 SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
297 -I \$(top_builddir)/gst-libs/ext/libav \
298 -Wno-deprecated-declarations"
300 SWSCALE_DEPS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \
301 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
302 if test "x$enable_static_plugins" = xyes; then
303 dnl with static linking we can't use the .a archive directly as they would
304 dnl be included in the final libgstswscale.a as a file and won't be usable.
305 dnl libav*.a must be copied to the final destination too
306 SWSCALE_LIBS="-lswscale -lavutil"
308 dnl libgstswscale.la: libs to statically link to
309 SWSCALE_LIBS="$SWSCALE_DEPS"
312 LIBAV_SUBDIRS=gst-libs
313 AC_DEFINE(HAVE_AVI_H)
314 AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
316 AC_ARG_WITH(libav-extra-configure,
317 AC_HELP_STRING([--with-libav-extra-configure="xxx"],
318 [extra configure options for internal libav ./configure script]),,
322 emblibav_configure_args="--prefix=$prefix"
324 # Enable pic and static so that we get .a files, but with PIC code.
325 emblibav_configure_args="$emblibav_configure_args \
326 --enable-static --enable-pic \
327 --disable-avdevice --disable-postproc --disable-avfilter \
328 --disable-programs --disable-ffserver --disable-ffplay --disable-ffprobe --disable-ffmpeg \
329 --disable-encoder=flac --disable-protocols --disable-devices \
330 --disable-network --disable-hwaccels --disable-dxva2 --disable-vdpau \
331 --disable-filters --disable-doc --disable-vda --disable-d3d11va --disable-dxva2 \
332 --disable-iconv --enable-optimizations"
334 if test "x$enable_gpl" == "xyes"; then
335 emblibav_configure_args="$emblibav_configure_args --enable-gpl"
338 # if we are cross-compiling, tell libav so
347 target_os=`echo $host_os | sed 's/-gnu//'`
351 if test "x$cross_compiling" = xyes; then
352 emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \
353 --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-"
358 emblibav_configure_args="$emblibav_configure_args --enable-memalign-hack"
359 WIN32_LIBS="-lws2_32"
366 if test x"$AR" != x; then
367 emblibav_configure_args="$emblibav_configure_args --ar=\\\"\\\$AR\\\""
370 if test x"$AS" != x; then
371 emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$CC\\\""
374 if test x"$CC" != x; then
375 emblibav_configure_args="$emblibav_configure_args --cc=\\\"\\\$CC\\\""
378 if test x"$LD" != x; then
379 emblibav_configure_args="$emblibav_configure_args --ld=\\\"\\\$CC\\\""
382 if test x"$NM" != x; then
383 emblibav_configure_args="$emblibav_configure_args --nm=\\\"\\\$NM\\\""
386 dnl checks for extra enable/disable flags
387 LIBAV_OPTS=`cd $srcdir/gst-libs/ext/libav && ./configure --help`
388 # Let's check if we can disable the building of the libav binary
389 can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'`
390 if test "$can_disable" != ""; then
391 emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg"
393 dnl check if libswscale needs enabling explicitly
394 can_enable=`echo "$LIBAV_OPTS" | grep 'enable-swscale'`
395 if test "$can_enable" != ""; then
396 emblibav_configure_args="$emblibav_configure_args --enable-swscale"
399 # append extra configure options to emblibav_configure_args if needed
400 if test "x$with_libav_extra_configure" != "xno"; then
401 emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure"
404 AC_SUBST(LIBAV_CO_DIR)
406 AC_SUBST(LIBAV_REVISION)
407 AC_SUBST(LIBAV_EXTERNALS_REVISION)
408 AC_CONFIG_COMMANDS([configure-embedded-libav],
409 [echo "Configuring included Libav instance with args $emblibav_configure_args"
411 dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it
412 dnl to detect out-of-tree builds
413 if test -z "$srcdir" -o "$srcdir" = .; then
416 confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure
419 AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
420 cd "$ac_top_build_prefix"gst-libs/ext/libav &&
421 eval "$confcmd $emblibav_configure_args" ||
422 AC_MSG_ERROR([Failed to configure embedded Libav tree])
425 [emblibav_configure_args="$emblibav_configure_args"])
426 AC_MSG_NOTICE([Using included Libav code])
429 AC_SUBST(LIBAV_CFLAGS)
432 AC_SUBST(LIBAV_SUBDIRS)
433 AC_SUBST(SWSCALE_CFLAGS)
434 AC_SUBST(SWSCALE_DEPS)
435 AC_SUBST(SWSCALE_LIBS)
438 if test x$HAVE_LIBAV_UNINSTALLED = x1; then
439 AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source])
441 AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1)
450 ext/libswscale/Makefile
452 gst-libs/ext/Makefile
454 docs/plugins/Makefile
455 docs/version.entities
460 pkgconfig/gstreamer-plugins-libav-uninstalled.pc