configure.ac 14.2 KB
Newer Older
1
AC_PREREQ(2.60)
2

3
dnl initialize autoconf
4
5
dnl when going to/from release please set the nano (fourth number) right !
dnl releases only do Wall, cvs and prerelease does Werror too
6
AC_INIT(GStreamer Libav, 0.10.13.1,
7
8
9
    http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
    gst-ffmpeg)

10
11
AG_GST_INIT

12
dnl initialize automake
13
AM_INIT_AUTOMAKE([-Wno-portability 1.10])
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
14

15
16
dnl define PACKAGE_VERSION_* variables
AS_VERSION
17

18
dnl check if this is a release version
19
AS_NANO(GST_GIT="no", GST_GIT="yes")
20
21
22
23
24
25
26
27
28

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
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
29

30
31
dnl sets host_* variables
AC_CANONICAL_HOST
32

33
34
35
36
37
dnl use pretty build output with automake >= 1.11
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])],
  [AM_DEFAULT_VERBOSITY=1
   AC_SUBST(AM_DEFAULT_VERBOSITY)])

38
dnl our libraries and install dirs use major.minor as a version
39
40
GST_MAJORMINOR=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR
dnl we override it here if we need to for the release candidate of new series
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
41
GST_MAJORMINOR=0.10
42
AC_SUBST(GST_MAJORMINOR)
43

44
45
AG_GST_LIBTOOL_PREPARE

46
AC_LIBTOOL_WIN32_DLL
47
48
49
AM_PROG_LIBTOOL

dnl *** required versions of GStreamer stuff ***
50
GST_REQ=0.10.35.1
51
ORC_REQ=0.4.6
52
53
54
55
56

dnl *** autotools stuff ****

dnl allow for different autotools
AS_AUTOTOOLS_ALTERNATE
57
58

dnl Add parameters for aclocal
59
60
61
62
AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")

dnl *** check for arguments to configure ***

63
AG_GST_ARG_WITH_PKG_CONFIG_PATH
64
65
66
AG_GST_ARG_WITH_PACKAGE_NAME
AG_GST_ARG_WITH_PACKAGE_ORIGIN
AG_GST_ARG_VALGRIND
67
68
69
70
71
72
73

dnl *** checks for platform ***

dnl * hardware/architecture *

dnl common/m4/gst-arch.m4
dnl check CPU type
74
AG_GST_ARCH
75
76

dnl *** checks for programs ***
77

78
dnl find a compiler
79
AC_PROG_CC
80
AC_PROG_CC_STDC
81

82
83
84
dnl check if the compiler supports '-c' and '-o' options
AM_PROG_CC_C_O

85
86
87
AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")

88
dnl check for documentation tools
89
AG_GST_DOCBOOK_CHECK
90
91
GTK_DOC_CHECK([1.3])
AS_PATH_PYTHON([2.1])
92
AG_GST_PLUGIN_DOCS([1.3],[2.1])
93

94
dnl *** checks for libraries ***
95

96
97
98
99
dnl check for libm, for sin()
AC_CHECK_LIBM
AC_SUBST(LIBM)

100
dnl *** checks for header files ***
101

102
103
dnl check if we have ANSI C header files
AC_HEADER_STDC
104

105
dnl *** checks for types/defines ***
106

107
108
109
110
111
112
113
114
115
dnl *** checks for structures ***

dnl *** checks for compiler characteristics ***

dnl *** checks for library functions ***

dnl *** checks for dependancy libraries ***

dnl checks for gstreamer
116
dnl uninstalled is selected preferentially -- see pkg-config(1)
117
118
119
120
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)
121
AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
122

123
124
125
AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)

126
127
dnl orc is required for cpu detection for libpostproc
ORC_CHECK([$ORC_REQ])
128

129
130
131
dnl *** set variables based on configure arguments ***

dnl set location of plugin directory
132
AG_GST_SET_PLUGINDIR
133
134

dnl define an ERROR_CFLAGS Makefile variable
135
136
137
AG_GST_SET_ERROR_CFLAGS($GST_GIT, [
    -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
    -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition
Wim Taymans's avatar
Wim Taymans committed
138
    -Winit-self -Wmissing-include-dirs -Waddress
139
    -Waggregate-return -Wno-multichar -Wnested-externs ])
140
141

dnl define correct level for debugging messages
142
AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
143
144
145
146
147
148
149
150
151
152
153
154
155
156

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"
157
fi
158
AC_SUBST(PROFILE_CFLAGS)
159

160
if test "x$GST_GIT" = "xyes"; then
161
162
163
164
  DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
else
  DEPRECATED_CFLAGS=""
fi
165
AC_SUBST(DEPRECATED_CFLAGS)
166

167
dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
168
GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
169

170
AC_SUBST(GST_OPTION_CFLAGS)
171

172
173
174
175
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
176
GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
177
178
AC_SUBST(GST_CFLAGS)
AC_SUBST(GST_LIBS)
179

180
181
182
GST_ALL_LDFLAGS="-no-undefined"
AC_SUBST(GST_ALL_LDFLAGS)

183
184
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
185
GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_desc.*' $GST_ALL_LDFLAGS"
186
AC_SUBST(GST_PLUGIN_LDFLAGS)
187

188
189
190
191
192
193
194
195
196
197
198
199
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)

200
dnl *** Check for bz2
201
202
203
204
205
AG_GST_CHECK_LIBHEADER(BZ2, bz2, BZ2_bzlibVersion, , bzlib.h, have_bz2=yes, have_bz2=no)
AM_CONDITIONAL(HAVE_BZ2, test "x$have_bz2" = "xyes")
if test "x$have_bz2" = "xno"; then
  AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks])
fi
206

207
208
209
210
211
212
213
AC_ARG_ENABLE(lgpl,
              [AC_HELP_STRING([--enable-lgpl], [build a LGPL licensed gst-ffmpeg])])
AM_CONDITIONAL(GST_FFMPEG_ENABLE_LGPL, test "x$enable_lgpl" = "xyes")
if test "x$enable_lgpl" = "xyes"; then
  AC_DEFINE([GST_FFMPEG_ENABLE_LGPL], [], [Defined if building a LGPL-only version of gst-ffmpeg])
fi

214
dnl *** configure external libs ***
215

216
HAVE_FFMPEG_UNINSTALLED=1
217
218

AC_ARG_WITH(system-ffmpeg,
Edward Hervey's avatar
Edward Hervey committed
219
            [AC_HELP_STRING([--with-system-ffmpeg], [use system Libav libraries])])
220
221

if test "x$with_system_ffmpeg" = "xyes"; then
LRN's avatar
LRN committed
222
  PKG_CHECK_MODULES(FFMPEG, libavformat libavcodec libavutil) 
223
224
225
  if test "x$enable_lgpl" != "xyes"; then
    PKG_CHECK_MODULES(POSTPROC, libpostproc libavcodec libavutil)
  fi
LRN's avatar
LRN committed
226
  PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
227
228
229
230
  saved_CPPFLAGS="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS $FFMPEG_CFLAGS"
  AC_CHECK_HEADERS([avi.h])
  CPPFLAGS="$saved_CPPFLAGS"
Edward Hervey's avatar
Edward Hervey committed
231
  AC_DEFINE([FFMPEG_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
232
233
  HAVE_FFMPEG_UNINSTALLED=0
  AC_MSG_NOTICE([Using system-installed FFMpeg code])
234
235
236
  AC_MSG_WARN([
  ======================================================================
   WARNING: you have chosen to build gst-ffmpeg against a random
Edward Hervey's avatar
Edward Hervey committed
237
238
   external version of Libav instead of building it against the tested
   internal Libav snapshot that is included with gst-ffmpeg.
239
240
241
242
243
244
   
   This is a very bad idea.  So bad in fact that words cannot express
   just how bad it is.  Suffice to say that it is BAD.
   
   The GStreamer developers cannot and will not support a gst-ffmpeg
   built this way.  Any bug reports that indicate there is an external
Edward Hervey's avatar
Edward Hervey committed
245
   version of Libav involved will be closed immediately without further
246
247
   investigation.
   
Edward Hervey's avatar
Edward Hervey committed
248
   The reason such a setup can't be supported is that the Libav API
249
   and ABI is in constant flux, yet there aren't any official releases
Edward Hervey's avatar
Edward Hervey committed
250
   of the Libav library to develop against.  This makes it impossible
251
   to guarantee that gst-ffmpeg will work reliably, or even compile,
Edward Hervey's avatar
Edward Hervey committed
252
   with a randomly picked version Libav.  Even if gst-ffmpeg compiles
253
   and superficially appears to work fine against your chosen external
Edward Hervey's avatar
Edward Hervey committed
254
   Libav version, that might just not be the case on other systems, or
255
256
257
   even the same system at a later time, or when using decoders,
   encoders, demuxers or muxers that have not been tested.
   
Edward Hervey's avatar
Edward Hervey committed
258
   Please do not create or distribute binary packages of gst-Libav
259
260
261
262
263
264
   that link against an external ffmpeg. Thank you!
  ======================================================================
  ])

  dnl No, this is not too extreme, we want people to see and read the above
  sleep 15
265
else
266

Edward Hervey's avatar
Edward Hervey committed
267
  AC_MSG_NOTICE([Using local Libav snapshot])
268
269
  
  dnl libgstffmpeg.la: include dirs
Edward Hervey's avatar
Edward Hervey committed
270
271
272
273
274
  FFMPEG_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav/libavutil \
  		 -I \$(top_srcdir)/gst-libs/ext/libav/libavformat \
                 -I \$(top_srcdir)/gst-libs/ext/libav/libavcodec \
		 -I \$(top_srcdir)/gst-libs/ext/libav \
		 -I \$(top_builddir)/gst-libs/ext/libav \
275
                 -Wno-deprecated-declarations"
276
277

  dnl libgstffmpeg.la: libs to statically link to        
Edward Hervey's avatar
Edward Hervey committed
278
279
280
  FFMPEG_LIBS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
               \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
               \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
281
  dnl
Edward Hervey's avatar
Edward Hervey committed
282
283
284
285
286
  POSTPROC_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav/libpostproc	\
                   -I \$(top_srcdir)/gst-libs/ext/libav/libavutil 	\
                   -I \$(top_srcdir)/gst-libs/ext/libav/libavcodec 	\
                   -I \$(top_srcdir)/gst-libs/ext/libav 	\
		   -I \$(top_builddir)/gst-libs/ext/libav \
287
                   -Wno-deprecated-declarations"
288
289

  dnl libgstpostproc.la: libs to statically link to
Edward Hervey's avatar
Edward Hervey committed
290
291
  POSTPROC_LIBS="\$(top_builddir)/gst-libs/ext/libav/libpostproc/libpostproc.a \
  		 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
292
  				 
293
  dnl
Edward Hervey's avatar
Edward Hervey committed
294
295
296
297
  SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav/libswscale	\
                  -I \$(top_srcdir)/gst-libs/ext/libav/libavutil 	\
                  -I \$(top_srcdir)/gst-libs/ext/libav 	\
		   -I \$(top_builddir)/gst-libs/ext/libav \
298
299
300
                  -Wno-deprecated-declarations"

  dnl libgstswscale.la: libs to statically link to
Edward Hervey's avatar
Edward Hervey committed
301
302
  SWSCALE_LIBS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \
                \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
303

304
305
  FFMPEG_SUBDIRS=gst-libs
  AC_DEFINE(HAVE_AVI_H)
Edward Hervey's avatar
Edward Hervey committed
306
  AC_DEFINE([FFMPEG_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
307
308
309
310
311
312

  AC_ARG_WITH(ffmpeg-extra-configure, 
      AC_HELP_STRING([--with-ffmpeg-extra-configure="xxx"],
      [extra configure options for internal ffmpeg ./configure script]),,
      with_ffmpeg_extra_configure=no)

313
314
315
  # basic arguments
  embffmpeg_configure_args="--prefix=$prefix"

316
  # Enable pic and static so that we get .a files, but with PIC code.
317
  embffmpeg_configure_args="$embffmpeg_configure_args --disable-avserver --disable-avplay\
318
        --disable-ffmpeg --disable-avprobe --enable-static --enable-pic \
319
	--disable-encoder=flac --disable-decoder=cavs --disable-protocols --disable-devices\
320
321
	--disable-network --disable-hwaccels --disable-filters --disable-doc\
	--enable-optimizations"
322

323
324
325
326
327
  if test "x$enable_lgpl" != "xyes"; then
    embffmpeg_configure_args="$embffmpeg_configure_args --enable-postproc \
        --enable-gpl"
  fi

328
  # if we are cross-compiling, tell ffmpeg so
329
  target_os=`echo $host_os | sed 's/-gnu//'`
330
  if test "x$cross_compiling" = xyes; then
331
    embffmpeg_configure_args="$embffmpeg_configure_args --enable-cross-compile \
332
        --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-"
333
334
  fi

335
336
337
338
339
340
  case $host_os in
    # Unfortunately, in Mac OS 10.5 the current rev of ffmpeg builds
    # some non-PIC code into the .a file. See
    # http://trac.macosforge.org/projects/macports/ticket/13725 for more
    # info.
    darwin*) 
341
      embffmpeg_configure_args="$embffmpeg_configure_args --disable-mmx --disable-altivec"
342
      ;;
343
    mingw32*)
344
      embffmpeg_configure_args="$embffmpeg_configure_args --enable-memalign-hack"
345
346
      WIN32_LIBS="-lws2_32"
      ;;
347
    *)
348
      WIN32_LIBS=
349
350
      ;;
  esac
351

352
  dnl checks for extra enable/disable flags
Edward Hervey's avatar
Edward Hervey committed
353
  FFMPEG_OPTS="(cd $srcdir/gst-libs/ext/libav && ./configure --help)"
354
  # Let's check if we can disable the building of the ffmpeg binary
355
356
  can_disable=`echo "$FFMPEG_OPTS" | grep 'disable-ffmpeg'`
  if test "$can_disable" != ""; then
357
358
359
    embffmpeg_configure_args="$embffmpeg_configure_args --disable-ffmpeg"
  fi
  dnl check if libswscale needs enabling explicitly
360
361
  can_enable=`echo "$FFMPEG_OPTS" | grep 'enable-swscale'`
  if test "$can_enable" != ""; then
362
363
364
365
    embffmpeg_configure_args="$embffmpeg_configure_args --enable-swscale"
  fi

  # append extra configure options to embffmpeg_configure_args if needed
366
  if test "x$with_ffmpeg_extra_configure" != "xno"; then
367
    embffmpeg_configure_args="$embffmpeg_configure_args $with_ffmpeg_extra_configure"
368
369
  fi

370
371
372
  AC_SUBST(FFMPEG_CO_DIR)
  AC_SUBST(FFMPEG_SVN)
  AC_SUBST(FFMPEG_REVISION)
373
  AC_SUBST(FFMPEG_EXTERNALS_REVISION)
374
  AC_CONFIG_COMMANDS([configure-embedded-ffmpeg],
Edward Hervey's avatar
Edward Hervey committed
375
    [echo "Configuring included Libav instance with args $embffmpeg_configure_args"
376
377
378
379
380
381
     origdir=`pwd`
     dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it
     dnl to detect out-of-tree builds
     if test -z "$srcdir" -o "$srcdir" = .; then
       confcmd=./configure
     else
Edward Hervey's avatar
Edward Hervey committed
382
       confcmd="$origdir"/"$ac_top_srcdir"/gst-libs/ext/libav/configure
383
384
     fi

Edward Hervey's avatar
Edward Hervey committed
385
386
     AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
     cd "$ac_top_build_prefix"gst-libs/ext/libav &&
387
         eval "$confcmd $embffmpeg_configure_args" ||
Edward Hervey's avatar
Edward Hervey committed
388
         AC_MSG_ERROR([Failed to configure embedded Libav tree])
389
390
391
     cd "$origdir"
    ],
    [embffmpeg_configure_args="$embffmpeg_configure_args"])
Edward Hervey's avatar
Edward Hervey committed
392
  AC_MSG_NOTICE([Using included Libav code])
393
fi
394

395
396
397
AC_SUBST(FFMPEG_CFLAGS)
AC_SUBST(FFMPEG_LIBS)
AC_SUBST(FFMPEG_SUBDIRS)
398
399
AC_SUBST(POSTPROC_CFLAGS)
AC_SUBST(POSTPROC_LIBS)
400
401
AC_SUBST(SWSCALE_CFLAGS)
AC_SUBST(SWSCALE_LIBS)
402
AC_SUBST(WIN32_LIBS)
403
404
 
if test x$HAVE_FFMPEG_UNINSTALLED = x1; then
Edward Hervey's avatar
Edward Hervey committed
405
  AC_DEFINE(HAVE_FFMPEG_UNINSTALLED, [], [Defined if building against uninstalled Libav source])
406
fi
407
408
AM_CONDITIONAL(HAVE_FFMPEG_UNINSTALLED, test x$HAVE_FFMPEG_UNINSTALLED = x1)

409
410
AC_CONFIG_FILES(
Makefile
Jan Schmidt's avatar
Jan Schmidt committed
411
412
common/Makefile
common/m4/Makefile
Christian Schaller's avatar
Christian Schaller committed
413
gst-ffmpeg.spec
414
415
ext/Makefile
ext/ffmpeg/Makefile
416
ext/libpostproc/Makefile
417
ext/libswscale/Makefile
418
419
gst-libs/Makefile
gst-libs/ext/Makefile
420
docs/Makefile
421
docs/version.entities
422
423
tests/Makefile
tests/check/Makefile
424
tests/files/Makefile
425
426
)
AC_OUTPUT
427

428
ORC_OUTPUT