configure.ac 13 KB
Newer Older
1
AC_PREREQ(2.62)
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
Tim-Philipp Müller's avatar
Tim-Philipp Müller committed
6
AC_INIT(GStreamer libav, 0.11.93.1,
7
    http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
8
    gst-libav)
9

10
11
AG_GST_INIT

12
dnl initialize automake
13
AM_INIT_AUTOMAKE([-Wno-portability 1.11 no-dist-gzip dist-xz tar-ustar])
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

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
28
AM_MAINTAINER_MODE([enable])
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
Sebastian Dröge's avatar
Sebastian Dröge committed
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
Sebastian Dröge's avatar
Sebastian Dröge committed
41
42
GST_API_VERSION=1.0
AC_SUBST(GST_API_VERSION)
43

44
AG_GST_LIBTOOL_PREPARE
45
AS_LIBTOOL(GST, 0, 0, 0)
46
47

dnl *** required versions of GStreamer stuff ***
Tim-Philipp Müller's avatar
Tim-Philipp Müller committed
48
49
GST_REQ=0.11.93
ORC_REQ=0.4.16
50
51
52
53
54

dnl *** autotools stuff ****

dnl allow for different autotools
AS_AUTOTOOLS_ALTERNATE
55
56

dnl Add parameters for aclocal
57
58
59
60
AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")

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

61
62
AG_GST_ARG_DISABLE_FATAL_WARNINGS

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
GTK_DOC_CHECK([1.12])
91
AS_PATH_PYTHON([2.1])
92
AG_GST_PLUGIN_DOCS([1.3],[2.1])
93

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

96
dnl check for libm, for sin()
97
LT_LIB_M
98
99
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)
Sebastian Dröge's avatar
Sebastian Dröge committed
117
118
119
120
AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ])
AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ])
AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_REQ])
AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$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
128
dnl *** set variables based on configure arguments ***

dnl set location of plugin directory
129
AG_GST_SET_PLUGINDIR
130
131

dnl define an ERROR_CFLAGS Makefile variable
132
AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [
133
134
    -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
    -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition
Wim Taymans's avatar
Wim Taymans committed
135
    -Winit-self -Wmissing-include-dirs -Waddress
136
    -Waggregate-return -Wno-multichar -Wnested-externs ])
137
138

dnl define correct level for debugging messages
139
AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
140
141
142
143
144
145
146
147
148
149
150
151
152
153

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"
154
fi
155
AC_SUBST(PROFILE_CFLAGS)
156

157
if test "x$GST_GIT" = "xyes"; then
158
159
160
161
  DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
else
  DEPRECATED_CFLAGS=""
fi
162
AC_SUBST(DEPRECATED_CFLAGS)
163

164
dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
165
GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
166

167
AC_SUBST(GST_OPTION_CFLAGS)
168

169
170
171
172
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
173
GST_CFLAGS="$GST_CFLAGS -DGST_USE_UNSTABLE_API"
174
GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
175
176
AC_SUBST(GST_CFLAGS)
AC_SUBST(GST_LIBS)
177

178
179
180
GST_ALL_LDFLAGS="-no-undefined"
AC_SUBST(GST_ALL_LDFLAGS)

181
182
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
183
GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_desc.*' $GST_ALL_LDFLAGS"
184
AC_SUBST(GST_PLUGIN_LDFLAGS)
185

186
187
188
189
190
191
192
193
194
195
196
197
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)

198
dnl *** Check for bz2
199
200
201
202
203
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
204

205
AC_ARG_ENABLE(lgpl,
206
207
              [AC_HELP_STRING([--enable-lgpl], [build a LGPL licensed gst-libav])])
AM_CONDITIONAL(GST_LIBAV_ENABLE_LGPL, test "x$enable_lgpl" = "xyes")
208
if test "x$enable_lgpl" = "xyes"; then
209
  AC_DEFINE([GST_LIBAV_ENABLE_LGPL], [], [Defined if building a LGPL-only version of gst-libav])
210
211
fi

212
dnl *** configure external libs ***
213

214
HAVE_LIBAV_UNINSTALLED=1
215

216
217
AC_ARG_WITH(system-libav,
            [AC_HELP_STRING([--with-system-libav], [use system Libav libraries])])
218

219
220
if test "x$with_system_libav" = "xyes"; then
  PKG_CHECK_MODULES(LIBAV, libavformat libavcodec libavutil) 
LRN's avatar
LRN committed
221
  PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
222
  saved_CPPFLAGS="$CPPFLAGS"
223
  CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
224
225
  AC_CHECK_HEADERS([avi.h])
  CPPFLAGS="$saved_CPPFLAGS"
226
227
  AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
  HAVE_LIBAV_UNINSTALLED=0
228
  AC_MSG_NOTICE([Using system-installed libav code])
229
230
  AC_MSG_WARN([
  ======================================================================
231
   WARNING: you have chosen to build gst-libav against a random
Edward Hervey's avatar
Edward Hervey committed
232
   external version of Libav instead of building it against the tested
233
   internal Libav snapshot that is included with gst-libav.
234
235
236
237
   
   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.
   
238
   The GStreamer developers cannot and will not support a gst-libav
239
   built this way.  Any bug reports that indicate there is an external
Edward Hervey's avatar
Edward Hervey committed
240
   version of Libav involved will be closed immediately without further
241
242
   investigation.
   
Edward Hervey's avatar
Edward Hervey committed
243
   The reason such a setup can't be supported is that the Libav API
244
   and ABI is in constant flux, yet there aren't any official releases
Edward Hervey's avatar
Edward Hervey committed
245
   of the Libav library to develop against.  This makes it impossible
246
247
   to guarantee that gst-libav will work reliably, or even compile,
   with a randomly picked version Libav.  Even if gst-libav compiles
248
   and superficially appears to work fine against your chosen external
Edward Hervey's avatar
Edward Hervey committed
249
   Libav version, that might just not be the case on other systems, or
250
251
252
   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
253
   Please do not create or distribute binary packages of gst-Libav
254
   that link against an external libav. Thank you!
255
256
257
258
259
  ======================================================================
  ])

  dnl No, this is not too extreme, we want people to see and read the above
  sleep 15
260
else
261

Edward Hervey's avatar
Edward Hervey committed
262
  AC_MSG_NOTICE([Using local Libav snapshot])
263
  
264
  dnl libgstlibav.la: include dirs
265
  LIBAV_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
266
                 -Wno-deprecated-declarations"
267

268
269
  dnl libgstlibav.la: libs to statically link to        
  LIBAV_LIBS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
Edward Hervey's avatar
Edward Hervey committed
270
271
               \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
               \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
272

273
  dnl
274
  SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
275
276
277
                  -Wno-deprecated-declarations"

  dnl libgstswscale.la: libs to statically link to
Edward Hervey's avatar
Edward Hervey committed
278
279
  SWSCALE_LIBS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \
                \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
280

281
  LIBAV_SUBDIRS=gst-libs
282
  AC_DEFINE(HAVE_AVI_H)
283
  AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
284

285
286
287
288
  AC_ARG_WITH(libav-extra-configure, 
      AC_HELP_STRING([--with-libav-extra-configure="xxx"],
      [extra configure options for internal libav ./configure script]),,
      with_libav=no)
289

290
  # basic arguments
291
  emblibav_configure_args="--prefix=$prefix"
292

293
  # Enable pic and static so that we get .a files, but with PIC code.
294
  emblibav_configure_args="$emblibav_configure_args --disable-avserver --disable-avplay\
295
        --disable-ffmpeg --disable-avprobe --enable-static --enable-pic \
296
	--disable-encoder=flac --disable-decoder=cavs --disable-protocols --disable-devices\
297
298
	--disable-network --disable-hwaccels --disable-filters --disable-doc\
	--enable-optimizations"
299

300
  if test "x$enable_lgpl" != "xyes"; then
Edward Hervey's avatar
Edward Hervey committed
301
    emblibav_configure_args="$emblibav_configure_args --enable-gpl"
302
303
  fi

304
  # if we are cross-compiling, tell libav so
305
  target_os=`echo $host_os | sed 's/-gnu//'`
306
  if test "x$cross_compiling" = xyes; then
307
    emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \
308
        --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-"
309
310
  fi

311
  case $host_os in
312
    # Unfortunately, in Mac OS 10.5 the current rev of libav builds
313
314
315
316
    # some non-PIC code into the .a file. See
    # http://trac.macosforge.org/projects/macports/ticket/13725 for more
    # info.
    darwin*) 
317
      emblibav_configure_args="$emblibav_configure_args --disable-mmx --disable-altivec"
318
      ;;
319
    mingw32*)
320
      emblibav_configure_args="$emblibav_configure_args --enable-memalign-hack"
321
322
      WIN32_LIBS="-lws2_32"
      ;;
323
    *)
324
      WIN32_LIBS=
325
326
      ;;
  esac
327

328
  dnl checks for extra enable/disable flags
329
330
331
  LIBAV_OPTS="(cd $srcdir/gst-libs/ext/libav && ./configure --help)"
  # Let's check if we can disable the building of the libav binary
  can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'`
332
  if test "$can_disable" != ""; then
333
    emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg"
334
335
  fi
  dnl check if libswscale needs enabling explicitly
336
  can_enable=`echo "$LIBAV_OPTS" | grep 'enable-swscale'`
337
  if test "$can_enable" != ""; then
338
    emblibav_configure_args="$emblibav_configure_args --enable-swscale"
339
340
  fi

341
342
343
  # append extra configure options to emblibav_configure_args if needed
  if test "x$with_libav_extra_configure" != "xno"; then
    emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure"
344
345
  fi

346
347
348
349
350
351
  AC_SUBST(LIBAV_CO_DIR)
  AC_SUBST(LIBAV_SVN)
  AC_SUBST(LIBAV_REVISION)
  AC_SUBST(LIBAV_EXTERNALS_REVISION)
  AC_CONFIG_COMMANDS([configure-embedded-libav],
    [echo "Configuring included Libav instance with args $emblibav_configure_args"
352
353
354
355
356
357
     origdir=`pwd`
     dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it
     dnl to detect out-of-tree builds
     if test -z "$srcdir" -o "$srcdir" = .; then
       confcmd=./configure
     else
358
       confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure
359
360
     fi

Edward Hervey's avatar
Edward Hervey committed
361
362
     AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
     cd "$ac_top_build_prefix"gst-libs/ext/libav &&
363
         eval "$confcmd $emblibav_configure_args" ||
Edward Hervey's avatar
Edward Hervey committed
364
         AC_MSG_ERROR([Failed to configure embedded Libav tree])
365
366
     cd "$origdir"
    ],
367
    [emblibav_configure_args="$emblibav_configure_args"])
Edward Hervey's avatar
Edward Hervey committed
368
  AC_MSG_NOTICE([Using included Libav code])
369
fi
370

371
372
373
AC_SUBST(LIBAV_CFLAGS)
AC_SUBST(LIBAV_LIBS)
AC_SUBST(LIBAV_SUBDIRS)
374
375
AC_SUBST(SWSCALE_CFLAGS)
AC_SUBST(SWSCALE_LIBS)
376
AC_SUBST(WIN32_LIBS)
377
 
378
379
if test x$HAVE_LIBAV_UNINSTALLED = x1; then
  AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source])
380
fi
381
AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1)
382

383
384
AC_CONFIG_FILES(
Makefile
Jan Schmidt's avatar
Jan Schmidt committed
385
386
common/Makefile
common/m4/Makefile
387
gst-libav.spec
388
389
ext/Makefile
ext/ffmpeg/Makefile
390
ext/libswscale/Makefile
391
392
gst-libs/Makefile
gst-libs/ext/Makefile
393
docs/Makefile
394
docs/version.entities
395
396
tests/Makefile
tests/check/Makefile
397
tests/files/Makefile
398
399
)
AC_OUTPUT
400

401
ORC_OUTPUT