Use a portable method to link against internal FFMPEG
[platform/upstream/gst-libav.git] / configure.ac
1 AC_PREREQ(2.69)
2
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, 1.13.0.1,
7     http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
8     gst-libav)
9
10 AG_GST_INIT
11
12 dnl initialize automake
13 AM_INIT_AUTOMAKE([-Wno-portability 1.14 no-dist-gzip dist-xz tar-ustar subdir-objects])
14
15 dnl define PACKAGE_VERSION_* variables
16 AS_VERSION
17
18 dnl check if this is a release version
19 AS_NANO(GST_GIT="no", GST_GIT="yes")
20
21 dnl can autoconf find the source ?
22 AC_CONFIG_SRCDIR([ext/libav/gstav.c])
23
24 dnl define the output header for config
25 AC_CONFIG_HEADERS([config.h])
26
27 dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
28 AM_MAINTAINER_MODE([enable])
29
30 dnl sets host_* variables
31 AC_CANONICAL_HOST
32
33 dnl use pretty build output by default
34 AM_SILENT_RULES([yes])
35
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
39 GST_API_VERSION=1.0
40 AC_SUBST(GST_API_VERSION)
41
42 AG_GST_LIBTOOL_PREPARE
43 AS_LIBTOOL(GST, 1300, 0, 1300)
44
45 dnl *** required versions of GStreamer stuff ***
46 GST_REQ=1.13.0.1
47 GST_PBREQ=1.13.0.1
48
49 ORC_REQ=0.4.16
50 ORC_CHECK([$ORC_REQ])
51
52 dnl *** autotools stuff ****
53
54 dnl allow for different autotools
55 AS_AUTOTOOLS_ALTERNATE
56
57 dnl Add parameters for aclocal
58 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
59
60 dnl *** check for arguments to configure ***
61
62 AG_GST_ARG_DISABLE_FATAL_WARNINGS
63 AG_GST_ARG_ENABLE_EXTRA_CHECKS
64
65 AG_GST_ARG_WITH_PKG_CONFIG_PATH
66 AG_GST_ARG_WITH_PACKAGE_NAME
67 AG_GST_ARG_WITH_PACKAGE_ORIGIN
68 AG_GST_ARG_VALGRIND
69 AG_GST_ARG_GCOV
70
71 dnl *** checks for platform ***
72
73 dnl * hardware/architecture *
74
75 dnl common/m4/gst-arch.m4
76 dnl check CPU type
77 AG_GST_ARCH
78
79 dnl *** checks for programs ***
80
81 dnl find a compiler
82 AC_PROG_CC
83 AC_PROG_CC_STDC
84
85 dnl check if the compiler supports '-c' and '-o' options
86 AM_PROG_CC_C_O
87
88 AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
89 AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
90
91 dnl check for documentation tools
92 GTK_DOC_CHECK([1.12])
93 AG_GST_PLUGIN_DOCS([1.12])
94
95 dnl *** checks for libraries ***
96
97 dnl check for libm, for sin()
98 LT_LIB_M
99 AC_SUBST(LIBM)
100
101 dnl check for pthreads
102 AX_PTHREAD
103
104 dnl *** checks for header files ***
105
106 dnl check if we have ANSI C header files
107 AC_HEADER_STDC
108
109 dnl *** checks for types/defines ***
110
111 dnl *** checks for structures ***
112
113 dnl *** checks for compiler characteristics ***
114
115 dnl *** checks for library functions ***
116
117 dnl *** checks for dependancy libraries ***
118
119 dnl GLib is required
120 GLIB_REQ=2.40.0
121 AC_SUBST([GLIB_REQ])
122 AG_GST_GLIB_CHECK([$GLIB_REQ])
123
124 dnl checks for gstreamer
125 dnl uninstalled is selected preferentially -- see pkg-config(1)
126 AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ])
127 AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ])
128 AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_PBREQ])
129 AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no)
130 AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
131
132 AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
133 AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
134
135 dnl Check for -Bsymbolic-functions linker flag used to avoid
136 dnl intra-library PLT jumps, if available.
137 AC_ARG_ENABLE(Bsymbolic,
138               [AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],,
139               [SAVED_LDFLAGS="${LDFLAGS}" SAVED_LIBS="${LIBS}"
140                AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
141                LDFLAGS=-Wl,-Bsymbolic-functions
142                LIBS=
143                AC_TRY_LINK([], [return 0],
144                            AC_MSG_RESULT(yes)
145                            enable_Bsymbolic=yes,
146                            AC_MSG_RESULT(no)
147                            enable_Bsymbolic=no)
148                LDFLAGS="${SAVED_LDFLAGS}" LIBS="${SAVED_LIBS}"])
149
150 dnl *** set variables based on configure arguments ***
151
152 dnl set location of plugin directory
153 AG_GST_SET_PLUGINDIR
154
155 dnl build static plugins or not
156 AC_MSG_CHECKING([whether to build static plugins or not])
157 AC_ARG_ENABLE(
158   static-plugins,
159   AC_HELP_STRING(
160     [--enable-static-plugins],
161     [build static plugins @<:@default=no@:>@]),
162   [AS_CASE(
163     [$enableval], [no], [], [yes], [],
164     [AC_MSG_ERROR([bad value "$enableval" for --enable-static-plugins])])],
165   [enable_static_plugins=no])
166 AC_MSG_RESULT([$enable_static_plugins])
167 if test "x$enable_static_plugins" = xyes; then
168   AC_DEFINE(GST_PLUGIN_BUILD_STATIC, 1,
169     [Define if static plugins should be built])
170   GST_PLUGIN_LIBTOOLFLAGS=""
171 else
172   GST_PLUGIN_LIBTOOLFLAGS="--tag=disable-static"
173 fi
174 AC_SUBST(GST_PLUGIN_LIBTOOLFLAGS)
175 AM_CONDITIONAL(GST_PLUGIN_BUILD_STATIC, test "x$enable_static_plugins" = "xyes")
176
177 dnl define an ERROR_CFLAGS Makefile variable
178 AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [
179     -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
180     -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition
181     -Winit-self -Wmissing-include-dirs -Waddress
182     -Waggregate-return -Wno-multichar -Wnested-externs ])
183
184 dnl define correct level for debugging messages
185 AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
186
187 dnl *** finalize CFLAGS, LDFLAGS, LIBS ***
188
189 dnl Overview:
190 dnl GST_OPTION_CFLAGS:  common flags for profiling, debugging, errors, ...
191 dnl GST_*:              flags shared by built objects to link against GStreamer
192 dnl GST_ALL_LDFLAGS:    linker flags shared by all
193 dnl GST_LIB_LDFLAGS:    additional linker flags for all libaries
194 dnl GST_LT_LDFLAGS:     library versioning of our libraries
195 dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
196
197 dnl GST_OPTION_CFLAGS
198 if test "x$USE_DEBUG" = xyes; then
199    PROFILE_CFLAGS="-g"
200 fi
201 AC_SUBST(PROFILE_CFLAGS)
202
203 if test "x$GST_GIT" = "xyes"; then
204   DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
205 else
206   DEPRECATED_CFLAGS=""
207 fi
208 AC_SUBST(DEPRECATED_CFLAGS)
209
210 dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
211 GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
212
213 AC_SUBST(GST_OPTION_CFLAGS)
214
215 dnl FIXME: do we want to rename to GST_ALL_* ?
216 dnl prefer internal headers to already installed ones
217 dnl also add builddir include for enumtypes and marshal
218 dnl add GST_OPTION_CFLAGS, but overridable
219 GST_CFLAGS="$GST_CFLAGS"
220 GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
221 AC_SUBST(GST_CFLAGS)
222 AC_SUBST(GST_LIBS)
223
224 GST_ALL_LDFLAGS="-no-undefined"
225 if test "x${enable_Bsymbolic}" = "xyes"; then
226   GST_ALL_LDFLAGS="$GST_ALL_LDFLAGS -Wl,-Bsymbolic-functions"
227 fi
228 AC_SUBST(GST_ALL_LDFLAGS)
229
230 dnl this really should only contain flags, not libs - they get added before
231 dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
232 GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_.*' $GST_ALL_LDFLAGS"
233 AC_SUBST(GST_PLUGIN_LDFLAGS)
234
235 dnl Add MacOSX specific flags
236 AC_CANONICAL_HOST
237 case $host_os in
238      darwin*)
239         DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress"
240         ;;
241      *)
242         DARWIN_LDFLAGS=""
243         ;;
244 esac
245 AC_SUBST(DARWIN_LDFLAGS)
246
247 AC_ARG_ENABLE(gpl,
248               [AC_HELP_STRING([--enable-gpl], [build a GPL licensed gst-libav])])
249 AM_CONDITIONAL(GST_LIBAV_ENABLE_GPL, test "x$enable_gpl" = "xyes")
250 if test "x$enable_gpl" = "xyes"; then
251   AC_DEFINE([GST_LIBAV_ENABLE_GPL], [], [Defined if building a GPL-licensed version of gst-libav])
252 fi
253
254 dnl *** configure external libs ***
255
256 HAVE_LIBAV_UNINSTALLED=1
257
258 AC_ARG_WITH(system-libav,
259             [AC_HELP_STRING([--with-system-libav], [use system Libav libraries])])
260
261 HAVE_LZMA="no"
262 HAVE_BZ2="no"
263 if test "x$with_system_libav" = "xyes"; then
264   PKG_CHECK_MODULES(LIBAV, libavfilter libavformat libavcodec >= 57 libavutil)
265   PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
266   saved_CPPFLAGS="$CPPFLAGS"
267   CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
268   AC_CHECK_HEADERS([avi.h])
269   AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
270   HAVE_LIBAV_UNINSTALLED=0
271   AC_MSG_NOTICE([Using system-installed libav code])
272   AC_MSG_CHECKING([whether libav is provided by FFmpeg])
273   AC_LINK_IFELSE([AC_LANG_PROGRAM([[
274     #include <libavcodec/avcodec.h>
275     ]],[[
276         #if LIBAVCODEC_VERSION_MICRO >= 100
277         /* FFmpeg uses 100+ as its micro version */
278         #else
279         #error libav provider should be FFmpeg
280         #endif
281     ]])], [is_ffmpeg=yes], [is_ffmpeg=no])
282   AC_MSG_RESULT([$is_ffmpeg])
283   CPPFLAGS="$saved_CPPFLAGS"
284   if test "$is_ffmpeg" = no; then
285     AC_MSG_ERROR([Uncompatible libavcodec found])
286   fi
287 else
288   AC_MSG_NOTICE([Using local Libav snapshot])
289
290   dnl *** Check for bz2
291   save_LIBS=$LIBS
292   LIBS="$LIBS -lbz2"
293   AC_MSG_CHECKING([for BZ2_bzlibVersion in -lbz2])
294   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <bzlib.h>]], [[const char *version = BZ2_bzlibVersion ();]])],[HAVE_BZ2=yes],[HAVE_BZ2=no])
295   AC_MSG_RESULT($HAVE_BZ2)
296   LIBS=$save_LIBS
297   if test "x$HAVE_BZ2" = "xno"; then
298     AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks])
299   fi
300
301   dnl *** Check for lzma
302   save_LIBS=$LIBS
303   LIBS="$LIBS -llzma"
304   AC_MSG_CHECKING([for lzma_version_string in -llzma])
305   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <lzma.h>]], [[const char *version = lzma_version_string ();]])],[HAVE_LZMA=yes],[HAVE_LZMA=no])
306   AC_MSG_RESULT($HAVE_LZMA)
307   LIBS=$save_LIBS
308   if test "x$HAVE_LZMA" = "xno"; then
309     AC_WARN([lzma not found, tiff reader will not be able to read lzma files])
310   fi
311
312   dnl libgstlibav.la: include dirs
313   LIBAV_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
314                 -I \$(top_builddir)/gst-libs/ext/libav \
315                  -Wno-deprecated-declarations"
316
317   LIBAV_DEPS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
318               \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
319               \$(top_builddir)/gst-libs/ext/libav/libavfilter/libavfilter.a \
320               \$(top_builddir)/gst-libs/ext/libav/libswresample/libswresample.a \
321               \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
322
323   LIBAV_LIBS="-L\$(top_builddir)/gst-libs/ext/libav/libavformat -lavformat \
324               -L\$(top_builddir)/gst-libs/ext/libav/libavcodec -lavcodec \
325               -L\$(top_builddir)/gst-libs/ext/libav/libswresample -lswresample \
326               -L\$(top_builddir)/gst-libs/ext/libav/libavutil -lavutil \
327               -L\$(top_builddir)/gst-libs/ext/libav/libavfilter -lavfilter"
328
329   dnl
330   SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
331                   -I \$(top_builddir)/gst-libs/ext/libav \
332                   -Wno-deprecated-declarations"
333
334   SWSCALE_DEPS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \
335                 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
336   if test "x$enable_static_plugins" = xyes; then
337       dnl with static linking we can't use the .a archive directly as they would
338       dnl be included in the final libgstswscale.a as a file and won't be usable.
339       dnl libav*.a must be copied to the final destination too
340       SWSCALE_LIBS="-lswscale -lavutil"
341   else
342       dnl libgstswscale.la: libs to statically link to
343       SWSCALE_LIBS="$SWSCALE_DEPS"
344   fi
345
346   LIBAV_SUBDIRS=gst-libs
347   AC_DEFINE(HAVE_AVI_H)
348   AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
349
350   AC_ARG_WITH(libav-extra-configure,
351       AC_HELP_STRING([--with-libav-extra-configure="xxx"],
352       [extra configure options for internal libav ./configure script]),,
353       with_libav=no)
354
355   # basic arguments
356   emblibav_configure_args="--prefix=$prefix"
357
358   # Enable pic and static so that we get .a files, but with PIC code.
359   emblibav_configure_args="$emblibav_configure_args \
360         --enable-static --enable-pic \
361         --disable-avdevice --disable-postproc \
362         --disable-programs --disable-ffserver --disable-ffplay --disable-ffprobe --disable-ffmpeg \
363         --disable-encoder=flac --disable-protocols --disable-devices \
364         --disable-network --disable-hwaccels --disable-dxva2 --disable-vdpau \
365         --disable-filters --enable-filter=yadif --disable-doc --disable-vda --disable-d3d11va --disable-dxva2 \
366         --disable-audiotoolbox --disable-videotoolbox --disable-vaapi --disable-crystalhd \
367         --disable-mediacodec --disable-nvenc --disable-mmal --disable-omx \
368         --disable-omx-rpi --disable-cuda --disable-cuvid --disable-libmfx \
369         --disable-libnpp --disable-iconv --disable-jni --enable-optimizations"
370
371   if test "x$enable_gpl" == "xyes"; then
372     emblibav_configure_args="$emblibav_configure_args --enable-gpl"
373   fi
374
375   # if we are cross-compiling, tell libav so
376   case $host in
377       *android*)
378         target_os=linux
379       ;;
380       *darwin*)
381         target_os=darwin
382       ;;
383       *)
384         target_os=`echo $host_os | sed 's/-gnu.*//'`
385       ;;
386   esac
387
388   if test "x$cross_compiling" = xyes; then
389     emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \
390         --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-"
391   fi
392
393   case $host_os in
394     mingw32*)
395       WIN32_LIBS="-lws2_32"
396       ;;
397     *)
398       WIN32_LIBS=
399       ;;
400   esac
401
402   if test x"$AR" != x; then
403     emblibav_configure_args="$emblibav_configure_args --ar=\\\"\\\$AR\\\""
404   fi
405
406   if test x"$AS" != x; then
407     emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$AS\\\""
408   fi
409
410   if test x"$CC" != x; then
411     emblibav_configure_args="$emblibav_configure_args --cc=\\\"\\\$CC\\\""
412   fi
413
414   if test x"$LD" != x; then
415     emblibav_configure_args="$emblibav_configure_args --ld=\\\"\\\$CC\\\""
416   fi
417
418   if test x"$NM" != x; then
419     emblibav_configure_args="$emblibav_configure_args --nm=\\\"\\\$NM\\\""
420   fi
421
422   dnl checks for extra enable/disable flags
423   LIBAV_OPTS=`cd $srcdir/gst-libs/ext/libav && ./configure --help`
424   # Let's check if we can disable the building of the libav binary
425   can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'`
426   if test "$can_disable" != ""; then
427     emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg"
428   fi
429   dnl check if libswscale needs enabling explicitly
430   can_enable=`echo "$LIBAV_OPTS" | grep 'enable-swscale'`
431   if test "$can_enable" != ""; then
432     emblibav_configure_args="$emblibav_configure_args --enable-swscale"
433   fi
434
435   # append extra configure options to emblibav_configure_args if needed
436   if test "x$with_libav_extra_configure" != "xno"; then
437     emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure"
438   fi
439
440   AC_SUBST(LIBAV_CO_DIR)
441   AC_SUBST(LIBAV_SVN)
442   AC_SUBST(LIBAV_REVISION)
443   AC_SUBST(LIBAV_EXTERNALS_REVISION)
444   AC_CONFIG_COMMANDS([configure-embedded-libav],
445     [echo "Configuring included Libav instance with args $emblibav_configure_args"
446      origdir=`pwd`
447      dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it
448      dnl to detect out-of-tree builds
449      if test -z "$srcdir" -o "$srcdir" = .; then
450        confcmd=./configure
451      else
452        confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure
453      fi
454
455      AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
456      cd "$ac_top_build_prefix"gst-libs/ext/libav &&
457          eval "$confcmd $emblibav_configure_args" ||
458          AC_MSG_ERROR([Failed to configure embedded Libav tree])
459      cd "$origdir"
460     ],
461     [emblibav_configure_args="$emblibav_configure_args"])
462   AC_MSG_NOTICE([Using included Libav code])
463 fi
464
465 AM_CONDITIONAL(HAVE_BZ2, test "x$HAVE_BZ2" = "xyes")
466 AM_CONDITIONAL(HAVE_LZMA, test "x$HAVE_LZMA" = "xyes")
467
468 AC_SUBST(LIBAV_CFLAGS)
469 AC_SUBST(LIBAV_DEPS)
470 AC_SUBST(LIBAV_LIBS)
471 AC_SUBST(LIBAV_SUBDIRS)
472 AC_SUBST(SWSCALE_CFLAGS)
473 AC_SUBST(SWSCALE_DEPS)
474 AC_SUBST(SWSCALE_LIBS)
475 AC_SUBST(WIN32_LIBS)
476
477 if test x$HAVE_LIBAV_UNINSTALLED = x1; then
478   AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source])
479 fi
480 AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1)
481
482 AC_CONFIG_FILES(
483 Makefile
484 common/Makefile
485 common/m4/Makefile
486 ext/Makefile
487 ext/libav/Makefile
488 ext/libswscale/Makefile
489 gst-libs/Makefile
490 gst-libs/ext/Makefile
491 docs/Makefile
492 docs/plugins/Makefile
493 docs/version.entities
494 tests/Makefile
495 tests/check/Makefile
496 tests/files/Makefile
497 pkgconfig/Makefile
498 pkgconfig/gstreamer-plugins-libav-uninstalled.pc
499 )
500 AC_OUTPUT
501
502 ORC_OUTPUT