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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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# Copyright (c) 2005-2006 Diego Biurrun
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# Copyright (c) 2005-2006 Mans Rullgard
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#
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" >/dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2>/dev/null
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E1="$?"
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(: ${foo?}) 2>/dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --log[=FILE|yes|no]      log tests and output to FILE [config.err]"
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  echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/man]"
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  echo "  --enable-mingwce         enable MinGW native/cross WinCE compile"
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  echo "  --enable-static          build static libraries [default=yes]"
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  echo "  --disable-static         do not build static libraries [default=no]"
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  echo "  --enable-shared          build shared libraries [default=no]"
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  echo "  --disable-shared         do not build shared libraries [default=yes]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
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  echo "                           and ffmpeg will be under GPL [default=no]"
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  echo "  --enable-pp              enable GPLed postprocessing support [default=no]"
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  echo "  --enable-swscaler        software scaler support [default=no]"
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  echo "  --enable-beosthreads     use BeOS threads [default=no]"
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  echo "  --enable-os2threads      use OS/2 threads [default=no]"
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  echo "  --enable-pthreads        use pthreads [default=no]"
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  echo "  --enable-w32threads      use Win32 threads [default=no]"
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  echo "  --enable-x11grab         enable X11 grabbing [default=no]"
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  echo
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  echo "External library support:"
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  echo "  --enable-sunmlib         use Sun medialib [default=no]"
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  echo "  --enable-dc1394          enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [default=no]"
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  echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
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  echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
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  echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
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  echo "  --enable-libdts          enable GPLed libdts support [default=no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
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  echo "  --enable-libfaadbin      build FAAD support with runtime linking [default=no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native demuxer exists [default=no]"
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  echo "  --enable-libogg          enable Ogg muxing via libogg [default=no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
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  echo "  --enable-libvorbis       enable Vorbis en/decoding via libvorbis,"
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  echo "                           native implementations exist [default=no]"
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  echo "  --enable-x264            enable H.264 encoding via x264 [default=no]"
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  echo "  --enable-xvid            enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [default=no]"
102
  echo "  --enable-amr_nb          enable amr_nb float audio codec"
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  echo "  --enable-amr_nb-fixed    use fixed point for amr-nb codec"
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  echo "  --enable-amr_wb          enable amr_wb float audio codec"
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  echo "  --enable-amr_if2         enable amr_wb IF2 audio codec"
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  echo ""
107
  echo "Advanced options (experts only):"
108
  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
110
  echo "  --cross-compile          assume a cross-compiler is used"
111
  echo "  --target-os=OS           compiler targets OS [$targetos]"
112
  echo "  --cc=CC                  use C compiler CC [$cc]"
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  echo "  --make=MAKE              use specified make [$make]"
114
  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
117
  echo "  --build-suffix=SUFFIX    suffix for application specific build []"
118
  echo "  --arch=ARCH              select architecture  [$arch]"
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  echo "  --cpu=CPU                selects the minimum cpu required (affects"
120
  echo "                           instruction selection, may crash on older CPUs)"
121
  echo "  --enable-powerpc-perf    enable performance report on PPC"
122
  echo "                           (requires enabling PMC)"
123
  echo "  --disable-mmx            disable MMX usage"
124
  echo "  --disable-armv5te        disable armv5te usage"
125
  echo "  --disable-armv6          disable armv6 usage"
126
  echo "  --disable-iwmmxt         disable iwmmxt usage"
127
  echo "  --disable-altivec        disable AltiVec usage"
128
  echo "  --disable-audio-oss      disable OSS audio support [default=no]"
129
  echo "  --disable-audio-beos     disable BeOS audio support [default=no]"
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  echo "  --disable-v4l            disable video4linux grabbing [default=no]"
131
  echo "  --disable-v4l2           disable video4linux2 grabbing [default=no]"
132
  echo "  --disable-bktr           disable bktr video grabbing [default=no]"
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  echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
134
  echo "  --disable-network        disable network support [default=no]"
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  echo "  --disable-ipv6           disable ipv6 support [default=no]"
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  echo "  --disable-zlib           disable zlib [default=no]"
137
  echo "  --disable-vhook          disable video hooking support"
138
  echo "  --disable-debug          disable debugging symbols"
139
  echo "  --disable-mpegaudio-hp   faster (but less accurate)"
140
  echo "                           MPEG audio decoding [default=no]"
141
  echo "  --disable-protocols      disable I/O protocols support [default=no]"
142
  echo "  --disable-ffmpeg         disable ffmpeg build"
143
  echo "  --disable-ffserver       disable ffserver build"
144
  echo "  --disable-ffplay         disable ffplay build"
145
  echo "  --enable-small           optimize for size instead of speed"
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  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --disable-encoder=NAME   disables encoder NAME"
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  echo "  --enable-encoder=NAME    enables encoder NAME"
149
  echo "  --disable-decoder=NAME   disables decoder NAME"
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  echo "  --enable-decoder=NAME    enables decoder NAME"
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  echo "  --disable-encoders       disables all encoders"
152
  echo "  --disable-decoders       disables all decoders"
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  echo "  --disable-muxer=NAME     disables muxer NAME"
154
  echo "  --enable-muxer=NAME      enables muxer NAME"
155
  echo "  --disable-muxers         disables all muxers"
156
  echo "  --disable-demuxer=NAME   disables demuxer NAME"
157
  echo "  --enable-demuxer=NAME    enables demuxer NAME"
158
  echo "  --disable-demuxers       disables all demuxers"
159
  echo "  --enable-parser=NAME     enables parser NAME"
160
  echo "  --disable-parser=NAME    disables parser NAME"
161
  echo "  --disable-parsers        disables all parsers"
162
  echo
163
  echo "Developer options (useful when working on FFmpeg itself):"
164
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
165
  echo "  --disable-opts           disable compiler optimizations"
166
  echo "  --enable-extra-warnings  enable more compiler warnings"
167
  echo "  --disable-strip          disable stripping of executables and shared libraries"
168
  echo ""
169
  echo "NOTE: Object files are built at the place where configure is launched."
170
  exit 1
171
}
172

    
173
log(){
174
    echo "$@" >>$logfile
175
}
176

    
177
log_file(){
178
    log BEGIN $1
179
    cat -n $1 >>$logfile
180
    log END $1
181
}
182

    
183
echolog(){
184
    log "$@"
185
    echo "$@"
186
}
187

    
188
die(){
189
    echolog "$@"
190
    cat <<EOF
191
If you think configure made a mistake, make sure you are using the latest
192
version from SVN.  If the latest version fails, report the problem to the
193
ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
194
EOF
195
    if enabled logging; then
196
        cat <<EOF
197
Include the log file "$logfile" produced by configure as this will help
198
solving the problem.
199
EOF
200
    else
201
cat <<EOF
202
Rerun configure with logging enabled (do not use --log=no), and include the
203
log this produces with your report.
204
EOF
205
    fi
206
    rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
207
    exit 1
208
}
209

    
210
# "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
211
toupper(){
212
    echo "$@" | tr '[a-z]' '[A-Z]'
213
}
214

    
215
tolower(){
216
    echo "$@" | tr '[A-Z]' '[a-z]'
217
}
218

    
219
set_all(){
220
    value=$1
221
    shift
222
    for var in $*; do
223
        eval $var=$value
224
    done
225
}
226

    
227
pushvar(){
228
    for var in $*; do
229
        eval level=\${${var}_level:=0}
230
        eval ${var}_${level}="\$$var"
231
        eval ${var}_level=$(($level+1))
232
    done
233
}
234

    
235
popvar(){
236
    for var in $*; do
237
        eval level=\${${var}_level:-0}
238
        test $level = 0 && continue
239
        eval level=$(($level-1))
240
        eval $var="\${${var}_${level}}"
241
        eval ${var}_level=$level
242
        eval unset ${var}_${level}
243
    done
244
}
245

    
246
enable(){
247
    set_all yes $*
248
}
249

    
250
disable(){
251
    set_all no $*
252
}
253

    
254
enabled(){
255
    eval test "x\$$1" = "xyes"
256
}
257

    
258
disabled(){
259
    eval test "x\$$1" = "xno"
260
}
261

    
262
enabled_all(){
263
    for opt; do
264
        enabled $opt || return 1
265
    done
266
}
267

    
268
disabled_all(){
269
    for opt; do
270
        disabled $opt || return 1
271
    done
272
}
273

    
274
enabled_any(){
275
    for opt; do
276
        enabled $opt && return 0
277
    done
278
}
279

    
280
disabled_any(){
281
    for opt; do
282
        disabled $opt && return 0
283
    done
284
}
285

    
286
check_deps(){
287
    for cfg; do
288
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
289
        disabled ${cfg}_checking && continue
290
        enable ${cfg}_checking
291

    
292
        eval dep_all="\$${cfg}_deps"
293
        eval dep_any="\$${cfg}_deps_any"
294

    
295
        pushvar cfg dep_all dep_any
296
        check_deps $dep_all $dep_any
297
        popvar cfg dep_all dep_any
298

    
299
        enabled_all $dep_all || disable $cfg
300
        enabled_any $dep_any || disable $cfg
301

    
302
        disable ${cfg}_checking
303
    done
304
}
305

    
306
print_config(){
307
    pfx=$1
308
    header=$2
309
    makefile=$3
310
    shift 3
311
    for cfg; do
312
        if enabled $cfg; then
313
            ucname="${pfx}`toupper $cfg`"
314
            echo "#define ${ucname} 1" >> $header
315
            echo "${ucname}=yes" >> $makefile
316
        fi
317
    done
318
}
319

    
320
flags_saved(){
321
    (: ${SAVE_CFLAGS?}) 2>/dev/null
322
}
323

    
324
save_flags(){
325
    flags_saved && return
326
    SAVE_CFLAGS="$CFLAGS"
327
    SAVE_LDFLAGS="$LDFLAGS"
328
    SAVE_extralibs="$extralibs"
329
}
330

    
331
restore_flags(){
332
    flags_saved || return
333
    CFLAGS="$SAVE_CFLAGS"
334
    LDFLAGS="$SAVE_LDFLAGS"
335
    extralibs="$SAVE_extralibs"
336
    unset SAVE_CFLAGS
337
    unset SAVE_LDFLAGS
338
    unset SAVE_extralibs
339
}
340

    
341
temp_cflags(){
342
    save_flags
343
    CFLAGS="$CFLAGS $*"
344
}
345

    
346
temp_ldflags(){
347
    save_flags
348
    LDFLAGS="$LDFLAGS $*"
349
}
350

    
351
temp_extralibs(){
352
    save_flags
353
    extralibs="$extralibs $*"
354
}
355

    
356
append(){
357
    var=$1
358
    shift
359
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
360
    eval "$var=\"\$$var $*\""
361
}
362

    
363
add_cflags(){
364
    append CFLAGS "$@"
365
}
366

    
367
add_ldflags(){
368
    append LDFLAGS "$@"
369
}
370

    
371
add_extralibs(){
372
    append extralibs "$@"
373
}
374

    
375
check_cmd(){
376
    log "$@"
377
    "$@" >>$logfile 2>&1
378
}
379

    
380
check_cc(){
381
    log check_cc "$@"
382
    cat >$TMPC
383
    log_file $TMPC
384
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
385
}
386

    
387
check_cpp(){
388
    log check_cpp "$@"
389
    cat >$TMPC
390
    log_file $TMPC
391
    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
392
}
393

    
394
check_ld(){
395
    log check_ld "$@"
396
    check_cc || return
397
    check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
398
}
399

    
400
check_cflags(){
401
    log check_cflags "$@"
402
    check_cc "$@" <<EOF && add_cflags "$@"
403
int x;
404
EOF
405
}
406

    
407
check_ldflags(){
408
    log check_ldflags "$@"
409
    check_ld "$@" <<EOF && add_ldflags "$@"
410
int main(){
411
    return 0;
412
}
413
EOF
414
}
415

    
416
check_header(){
417
    log check_header "$@"
418
    header=$1
419
    shift
420
    var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
421
    disable $var
422
    check_cpp "$@" <<EOF && enable $var
423
#include <$header>
424
int x;
425
EOF
426
}
427

    
428
check_func(){
429
    log check_func "$@"
430
    func=$1
431
    shift
432
    disable $func
433
    check_ld "$@" <<EOF && enable $func
434
extern int $func();
435
int main(){
436
    $func();
437
}
438
EOF
439
}
440

    
441
check_func2(){
442
    log check_func2 "$@"
443
    headers=$1
444
    func=$2
445
    shift 2
446
    disable $func
447
    incs=""
448
    for hdr in $headers; do
449
        incs="$incs
450
#include <$hdr>"
451
    done
452
    check_ld "$@" <<EOF && enable $func
453
$incs
454
int main(){
455
    (void) $func;
456
    return 0;
457
}
458
EOF
459
}
460

    
461
check_lib(){
462
    log check_lib "$@"
463
    header="$1"
464
    func="$2"
465
    shift 2
466
    temp_extralibs "$@"
467
    check_header $header && check_func $func && add_extralibs "$@"
468
    err=$?
469
    restore_flags
470
    return $err
471
}
472

    
473
check_lib2(){
474
    log check_lib2 "$@"
475
    headers="$1"
476
    func="$2"
477
    shift 2
478
    temp_extralibs "$@"
479
    check_func2 "$headers" $func && add_extralibs "$@"
480
    err=$?
481
    restore_flags
482
    return $err
483
}
484

    
485
check_exec(){
486
    check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
487
}
488

    
489
require(){
490
    name="$1"
491
    header="$2"
492
    func="$3"
493
    shift 3
494
    check_lib $header $func "$@" || die "ERROR: $name not found"
495
}
496

    
497
require2(){
498
    name="$1"
499
    headers="$2"
500
    func="$3"
501
    shift 3
502
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
503
}
504

    
505
check_foo_config(){
506
    cfg=$1
507
    pkg=$2
508
    header=$3
509
    func=$4
510
    shift 4
511
    disable $cfg
512
    check_cmd ${pkg}-config --version
513
    err=$?
514
    if test "$err" = 0; then
515
        temp_cflags `${pkg}-config --cflags`
516
        temp_extralibs `${pkg}-config --libs`
517
        check_lib "$@" $header $func && enable $cfg
518
    fi
519
    return $err
520
}
521

    
522
apply(){
523
    file=$1
524
    shift
525
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
526
}
527

    
528
CONFIG_LIST='
529
    encoders
530
    decoders
531
    parsers
532
    muxers
533
    demuxers
534
    amr
535
    amr_nb
536
    amr_nb_fixed
537
    amr_wb
538
    audio_beos
539
    audio_oss
540
    avisynth
541
    beos_netserver
542
    bktr
543
    dc1394
544
    dv1394
545
    ffmpeg
546
    ffplay
547
    ffserver
548
    gpl
549
    gprof
550
    ipv6
551
    liba52
552
    liba52bin
553
    libdts
554
    libfaac
555
    libfaad
556
    libfaadbin
557
    libgsm
558
    libmp3lame
559
    libnut
560
    libogg
561
    libtheora
562
    libvorbis
563
    memalign_hack
564
    mpegaudio_hp
565
    network
566
    powerpc_perf
567
    pp
568
    protocols
569
    swscaler
570
    vhook
571
    v4l
572
    v4l2
573
    wince
574
    x11grab
575
    x264
576
    xvid
577
    zlib
578
'
579

    
580
HAVE_LIST='
581
    altivec
582
    altivec_h
583
    armv5te
584
    armv6
585
    beosthreads
586
    byteswap_h
587
    cmov
588
    dcbzl
589
    dev_bktr_ioctl_bt848_h
590
    dev_bktr_ioctl_meteor_h
591
    dev_ic_bt8xx_h
592
    dev_video_meteor_ioctl_meteor_h
593
    dev_video_bktr_ioctl_bt848_h
594
    dlfcn_h
595
    dlopen
596
    fast_cmov
597
    freetype2
598
    imlib2
599
    inet_aton
600
    iwmmxt
601
    localtime_r
602
    lrintf
603
    machine_ioctl_bt848_h
604
    machine_ioctl_meteor_h
605
    malloc_h
606
    memalign
607
    mlib
608
    mmi
609
    mmx
610
    os2
611
    os2threads
612
    pthreads
613
    sdl
614
    sdl_video_size
615
    soundcard_h
616
    sys_poll_h
617
    sys_soundcard_h
618
    threads
619
    w32threads
620
'
621

    
622
TARGET_LIST='
623
    altivec
624
    armv5te
625
    armv6
626
    iwmmxt
627
    mmi
628
    mmx
629
'
630

    
631
CMDLINE_SELECT="
632
    $CONFIG_LIST
633
    $TARGET_LIST
634
    amr_if2
635
    debug
636
    extra_warnings
637
    shared
638
    static
639
    beosthreads
640
    os2threads
641
    pthreads
642
    w32threads
643
"
644

    
645
flashsv_decoder_deps="zlib"
646
flashsv_encoder_deps="zlib"
647
mpeg_xvmc_decoder_deps="xvmc"
648
png_decoder_deps="zlib"
649
png_encoder_deps="zlib"
650
x264_encoder_deps="x264"
651
xvid_encoder_deps="xvid"
652
zmbv_decoder_deps="zlib"
653
zmbv_encoder_deps="zlib"
654

    
655
aac_decoder_deps="libfaad"
656
mpeg4aac_decoder_deps="libfaad"
657
amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
658
amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
659
amr_wb_decoder_deps="amr_wb"
660
amr_wb_encoder_deps="amr_wb"
661
dts_decoder_deps="libdts"
662
faac_encoder_deps="libfaac"
663
liba52_decoder_deps="liba52"
664
libgsm_decoder_deps="libgsm"
665
libgsm_encoder_deps="libgsm"
666
libgsm_ms_decoder_deps="libgsm"
667
libgsm_ms_encoder_deps="libgsm"
668
libtheora_encoder_deps="libtheora"
669
mp3lame_encoder_deps="libmp3lame"
670
oggvorbis_decoder_deps="libvorbis"
671
oggvorbis_encoder_deps="libvorbis"
672

    
673
audio_demuxer_deps_any="audio_oss audio_beos"
674
audio_muxer_deps_any="audio_oss audio_beos"
675
dc1394_demuxer_deps="dc1394"
676
dv1394_demuxer_deps="dv1394"
677
gxf_muxer_deps="gpl"
678
libnut_demuxer_deps="libnut"
679
libnut_muxer_deps="libnut"
680
ogg_muxer_deps="libogg"
681
redir_demuxer_deps="network"
682
rtp_muxer_deps="network"
683
rtsp_demuxer_deps="network"
684
sdp_demuxer_deps="network"
685
v4l2_demuxer_deps="v4l2"
686
video_grab_device_demuxer_deps_any="v4l bktr"
687
x11_grab_device_demuxer_deps="x11grab"
688

    
689
ffplay_deps="sdl"
690
ffserver_deps="network protocols muxers"
691
network_deps="protocols"
692

    
693
# set temporary file name
694
if test ! -z "$TMPDIR" ; then
695
    TMPDIR1="${TMPDIR}"
696
elif test ! -z "$TEMPDIR" ; then
697
    TMPDIR1="${TEMPDIR}"
698
else
699
    TMPDIR1="/tmp"
700
fi
701

    
702
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
703
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
704
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
705
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
706
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
707

    
708
# default parameters
709

    
710
logging="yes"
711
logfile="config.err"
712

    
713
# installation paths
714
PREFIX="/usr/local"
715
libdir='${PREFIX}/lib'
716
shlibdir="$libdir"
717
incdir='${PREFIX}/include/ffmpeg'
718
mandir='${PREFIX}/man'
719
bindir='${PREFIX}/bin'
720

    
721
# toolchain
722
cross_prefix=""
723
cross_compile="no"
724
cc="gcc"
725
ar="ar"
726
ranlib="ranlib"
727
make="make"
728
strip="strip"
729
asmalign_pot="unknown"
730

    
731
# machine
732
arch=`uname -m`
733
cpu="generic"
734
powerpc_perf="no"
735
mmx="default"
736
cmov="no"
737
fast_cmov="no"
738
armv5te="default"
739
armv6="default"
740
iwmmxt="default"
741
altivec="default"
742
dcbzl="no"
743
mmi="default"
744
bigendian="no"
745

    
746
# OS
747
targetos=`uname -s`
748
beos_netserver="no"
749
mingw32="no"
750
os2="no"
751
wince="no"
752

    
753
# non-library system interfaces
754
audio_beos="default"
755
audio_oss="yes"
756
bktr="yes"
757
dv1394="yes"
758
v4l2="yes"
759
v4l="yes"
760

    
761
# libraries
762
amr_if2="no"
763
amr_nb="no"
764
amr_nb_fixed="no"
765
amr_wb="no"
766
avisynth="no"
767
dc1394="no"
768
dlfcn_h="no"
769
dlopen="no"
770
liba52="no"
771
liba52bin="no"
772
libdts="no"
773
libfaac="no"
774
libfaad2="no"
775
libfaad="no"
776
libfaadbin="no"
777
libgsm="no"
778
libmp3lame="no"
779
libnut="no"
780
libogg="no"
781
libtheora="no"
782
libvorbis="no"
783
mlib="no"
784
x11grab="no"
785
x264="no"
786
xvid="no"
787
zlib="yes"
788

    
789
# configurable options
790
debug="yes"
791
dostrip="yes"
792
extra_warnings="no"
793
ffmpeg="yes"
794
ffplay="yes"
795
ffserver="yes"
796
gpl="no"
797
gprof="no"
798
ipv6="yes"
799
shared="no"
800
static="yes"
801
memalign_hack="no"
802
mpegaudio_hp="yes"
803
network="yes"
804
optimize="yes"
805
pp="no"
806
protocols="yes"
807
swscaler="no"
808
vhook="default"
809

    
810
# threading
811
beosthreads="no"
812
os2threads="no"
813
pthreads="no"
814
w32threads="no"
815
thread_type="no"
816

    
817
# build settings
818
SHFLAGS='-shared -Wl,-soname,$@'
819
VHOOKSHFLAGS='$(SHFLAGS)'
820
LIBOBJFLAGS=""
821
FFLDFLAGS=-Wl,--warn-common
822
LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
823
FFSERVERLDFLAGS=-Wl,-E
824
LDCONFIG="ldconfig"
825
LIBPREF="lib"
826
LIBSUF=".a"
827
LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
828
SLIBPREF="lib"
829
SLIBSUF=".so"
830
SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
831
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
832
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
833
EXESUF=""
834
BUILDSUF=""
835
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
836

    
837
# find source path
838
source_path="`dirname \"$0\"`"
839
source_path_used="yes"
840
if test -z "$source_path" -o "$source_path" = "." ; then
841
    source_path="`pwd`"
842
    source_path_used="no"
843
else
844
    source_path="`cd \"$source_path\"; pwd`"
845
    echo "$source_path" | grep -q '[[:blank:]]' &&
846
      die "Out of tree builds are impossible with whitespace in source path."
847
fi
848

    
849
if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
850
    show_help
851
fi
852

    
853
FFMPEG_CONFIGURATION="$@"
854

    
855
ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
856
DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
857
PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
858
MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
859
DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
860

    
861
enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
862

    
863
die_unknown(){
864
    echo "Unknown option \"$1\"."
865
    echo "See $0 --help for available options."
866
    exit 1
867
}
868

    
869
for opt do
870
  optval="${opt#*=}"
871
  case "$opt" in
872
  --log)
873
  ;;
874
  --log=*) logging="$optval"
875
  ;;
876
  --prefix=*) PREFIX="$optval"
877
  ;;
878
  --libdir=*) libdir="$optval"
879
  ;;
880
  --shlibdir=*) shlibdir="$optval"
881
  ;;
882
  --incdir=*) incdir="$optval"
883
  ;;
884
  --mandir=*) mandir="$optval"
885
  ;;
886
  --source-path=*) source_path="$optval"
887
  ;;
888
  --cross-prefix=*) cross_prefix="$optval"
889
  ;;
890
  --cross-compile) cross_compile="yes"
891
  ;;
892
  --target-os=*) targetos="$optval"
893
  ;;
894
  --cc=*) cc="$optval"
895
  ;;
896
  --make=*) make="$optval"
897
  ;;
898
  --extra-cflags=*) add_cflags "$optval"
899
  ;;
900
  --extra-ldflags=*) add_ldflags "$optval"
901
  ;;
902
  --extra-libs=*) add_extralibs "$optval"
903
  ;;
904
  --build-suffix=*) BUILDSUF="$optval"
905
  ;;
906
  --arch=*) arch="$optval"
907
  ;;
908
  --cpu=*) cpu="$optval"
909
  ;;
910
  --enable-mingwce) wince="yes"
911
  ;;
912
  --disable-opts) optimize="no"
913
  ;;
914
  --enable-small) optimize="small"
915
  ;;
916
  --enable-sunmlib) mlib="yes"
917
  ;;
918
  --disable-strip) dostrip="no"
919
  ;;
920
  --disable-encoders) disable $ENCODER_LIST
921
  ;;
922
  --disable-decoders) disable $DECODER_LIST
923
  ;;
924
  --disable-muxers) disable $MUXER_LIST
925
  ;;
926
  --disable-demuxers) disable $DEMUXER_LIST
927
  ;;
928
  --disable-parsers) disable $PARSER_LIST
929
  ;;
930
  --enable-*=*|--disable-*=*)
931
  eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
932
  case "$thing" in
933
      encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
934
      *) die_unknown "$opt" ;;
935
  esac
936
  ;;
937
  --enable-?*|--disable-?*)
938
  eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
939
  echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
940
  $action $option
941
  ;;
942
  --help) show_help
943
  ;;
944
  *)
945
  die_unknown $opt
946
  ;;
947
  esac
948
done
949

    
950
case "$arch" in
951
  i386|i486|i586|i686|i86pc|BePC)
952
    arch="x86_32"
953
  ;;
954
  x86_64|amd64)
955
    arch="x86_32"
956
    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
957
    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
958
      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
959
        arch="x86_64"
960
      fi
961
    fi
962
  ;;
963
  # armv4l is a subset of armv[567]*l
964
  arm|armv[4567]*l)
965
    arch="armv4l"
966
  ;;
967
  alpha)
968
    arch="alpha"
969
  ;;
970
  "Power Macintosh"|ppc|ppc64|powerpc)
971
    arch="powerpc"
972
  ;;
973
  mips|mipsel|IP*)
974
    arch="mips"
975
  ;;
976
  sun4u|sparc64)
977
    arch="sparc64"
978
  ;;
979
  sparc)
980
    arch="sparc"
981
  ;;
982
  sh4)
983
    arch="sh4"
984
  ;;
985
  parisc|parisc64)
986
    arch="parisc"
987
  ;;
988
  s390|s390x)
989
    arch="s390"
990
  ;;
991
  m68k)
992
    arch="m68k"
993
  ;;
994
  ia64)
995
    arch="ia64"
996
  ;;
997
  bfin)
998
    arch="bfin"
999
  ;;
1000
  *)
1001
    arch="unknown"
1002
  ;;
1003
esac
1004

    
1005
# OS specific
1006
osextralibs="-lm"
1007
case `tolower $targetos` in
1008
  beos|haiku|zeta)
1009
    PREFIX="$HOME/config"
1010
    # helps building libavcodec
1011
    add_cflags "-DPIC -fomit-frame-pointer"
1012
    # 3 gcc releases known for BeOS, each with ugly bugs
1013
    gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1014
    case "$gcc_version" in
1015
      2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1016
        mmx="no"
1017
        ;;
1018
      *20010315*) echo "BeBits gcc"
1019
        add_cflags "-fno-expensive-optimizations"
1020
        ;;
1021
    esac
1022
    LDCONFIG="echo ignoring ldconfig"
1023
    SHFLAGS=-nostart
1024
    # disable Linux things
1025
    dv1394="no"
1026
    # enable BeOS things
1027
    disabled audio_beos || enable_audio_beos
1028
    # no need for libm, but the inet stuff
1029
    # Check for BONE
1030
    # XXX: actually should check for NOT net_server
1031
    if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1032
        osextralibs="-lbind -lsocket"
1033
    else
1034
        beos_netserver="yes"
1035
        osextralibs="-lnet"
1036
    fi ;;
1037
  sunos)
1038
    dv1394="no"
1039
    FFLDFLAGS=""
1040
    FFSERVERLDFLAGS=""
1041
    SHFLAGS="-shared -Wl,-h,\$@"
1042
    add_extralibs "-lsocket -lnsl"
1043
    ;;
1044
  netbsd)
1045
    dv1394="no"
1046
    add_extralibs "-lossaudio"
1047
    ;;
1048
  openbsd)
1049
    dv1394="no"
1050
    need_memalign="no"
1051
    LIBOBJFLAGS="\$(PIC)"
1052
    LDCONFIG="ldconfig -m \$(shlibdir)"
1053
    SHFLAGS='-shared'
1054
    SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1055
    SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1056
    SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1057
    add_extralibs "-lossaudio"
1058
    ;;
1059
  freebsd)
1060
    dv1394="no"
1061
    need_memalign="no"
1062
    add_cflags "-pthread"
1063
    ;;
1064
  gnu/kfreebsd)
1065
    dv1394="no"
1066
    add_cflags "-pthread"
1067
    ;;
1068
  bsd/os)
1069
    dv1394="no"
1070
    osextralibs="-lpoll -lgnugetopt -lm"
1071
    strip="strip -d"
1072
    ;;
1073
  darwin)
1074
    cc="cc"
1075
    dv1394="no"
1076
    need_memalign="no"
1077
    SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1078
    VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1079
    osextralibs=""
1080
    strip="strip -x"
1081
    FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1082
    SLIBSUF=".dylib"
1083
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1084
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1085
    FFSERVERLDFLAGS=-Wl,-bind_at_load
1086
    ;;
1087
  mingw32*)
1088
    mingw32="yes"
1089
    if enabled_all shared static; then
1090
        cat <<EOF
1091
You can only build one library type at once on MinGW.
1092
Specify --disable-static --enable-shared to only build
1093
the shared libraries. To build only the static libraries
1094
you do not need to pass additional options.
1095
EOF
1096
        exit 1
1097
    fi
1098
    dv1394="no"
1099
    ffserver="no"
1100
    network="no"
1101
    if enabled wince; then
1102
        protocols="no"
1103
    fi
1104
    SLIBPREF=""
1105
    SLIBSUF=".dll"
1106
    EXESUF=".exe"
1107
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1108
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1109
    SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1110
    SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1111
    SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1112
    ;;
1113
  cygwin*)
1114
    targetos=CYGWIN
1115
    shlibdir="$bindir"
1116
    dv1394="no"
1117
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1118
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1119
    osextralibs=""
1120
    EXESUF=".exe"
1121
    SLIBPREF="cyg"
1122
    SLIBSUF=".dll"
1123
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1124
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1125
    SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1126
    ;;
1127
  linux)
1128
    LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1129
    ;;
1130
  irix*)
1131
    targetos=IRIX
1132
    ranlib="echo ignoring ranlib"
1133
    ;;
1134
  os/2)
1135
    TMPE=$TMPE".exe"
1136
    ar="emxomfar -p128"
1137
    ranlib="echo ignoring ranlib"
1138
    strip="echo ignoring strip"
1139
    add_cflags "-Zomf"
1140
    FFLDFLAGS="-Zomf -Zstack 16384 -s"
1141
    SHFLAGS="-Zdll -Zomf"
1142
    FFSERVERLDFLAGS=""
1143
    LIBPREF=""
1144
    LIBSUF=".lib"
1145
    SLIBPREF=""
1146
    SLIBSUF=".dll"
1147
    EXESUF=".exe"
1148
    osextralibs=""
1149
    pkg_requires=""
1150
    dv1394="no"
1151
    ffserver="no"
1152
    vhook="no"
1153
    os2="yes"
1154
    ;;
1155
  *)
1156
    targetos="${targetos}-UNKNOWN"
1157
    ;;
1158
esac
1159

    
1160
add_extralibs $osextralibs
1161

    
1162
if ! disabled logging ; then
1163
    enabled logging || logfile="$logging"
1164
    echo "# $0 $@" >$logfile
1165
    set >>$logfile
1166
else
1167
    logfile=/dev/null
1168
fi
1169

    
1170
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1171
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1172

    
1173
test -n "$cross_prefix" && cross_compile=yes
1174
cc="${cross_prefix}${cc}"
1175
ar="${cross_prefix}${ar}"
1176
ranlib="${cross_prefix}${ranlib}"
1177
strip="${cross_prefix}${strip}"
1178

    
1179
# we need to build at least one lib type
1180
if disabled_all static shared; then
1181
    cat <<EOF
1182
At least one library type must be built.
1183
Specify --enable-static to build the static libraries or --enable-shared to
1184
build the shared libraries as well. To only build the shared libraries specify
1185
--disable-static in addition to --enable-shared.
1186
EOF
1187
    exit 1;
1188
fi
1189

    
1190
if disabled libogg; then
1191
    enabled libtheora && die "libogg must be enabled to enable libtheora."
1192
    enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1193
fi
1194

    
1195
if enabled_any libfaad libfaadbin ; then
1196
    if check_header faad.h; then
1197
        check_cc << EOF
1198
#include <faad.h>
1199
#ifndef FAAD2_VERSION
1200
ok faad1
1201
#endif
1202
int main( void ) { return 0; }
1203
EOF
1204
        test $? = 0 && enable libfaad2
1205
    else
1206
        die "FAAD test failed."
1207
    fi
1208
fi
1209

    
1210

    
1211
if disabled gpl ; then
1212
    die_gpl_disabled(){
1213
        name=$1
1214
        shift
1215
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1216
    }
1217
    die_gpl_disabled "The Postprocessing code" pp
1218
    die_gpl_disabled "liba52"                  liba52
1219
    die_gpl_disabled "libxvidcore"             xvid
1220
    die_gpl_disabled "x264"                    x264
1221
    die_gpl_disabled "libdts"                  libdts
1222
    die_gpl_disabled "FAAD2"                   libfaad2
1223
    die_gpl_disabled "The X11 grabber"         x11grab
1224
    die_gpl_disabled "The software scaler"     swscaler
1225
fi
1226

    
1227
# compute MMX state
1228
if test $mmx = "default"; then
1229
    if test $arch = "x86_32" -o $arch = "x86_64"; then
1230
        mmx="yes"
1231
    else
1232
        mmx="no"
1233
    fi
1234
fi
1235

    
1236
test -z "$need_memalign" && need_memalign="$mmx"
1237

    
1238
#Darwin CC versions
1239
needmdynamicnopic="no"
1240
if test $targetos = Darwin; then
1241
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1242
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1243
    else
1244
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1245
        case "$gcc_version" in
1246
            *2.95*)
1247
                add_cflags "-no-cpp-precomp -pipe"
1248
                ;;
1249
            *[34].*)
1250
                add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1251
                if disabled shared; then
1252
                   needmdynamicnopic="yes"
1253
                fi
1254
                ;;
1255
            *)
1256
                add_cflags "-no-cpp-precomp -pipe"
1257
                if disabled shared; then
1258
                   needmdynamicnopic="yes"
1259
                fi
1260
                ;;
1261
        esac
1262
    fi
1263
fi
1264

    
1265
disabled optimize || add_cflags -fomit-frame-pointer
1266

    
1267
# Can only do AltiVec on PowerPC
1268
if test $altivec = "default"; then
1269
    if test $arch = "powerpc"; then
1270
        altivec="yes"
1271
    else
1272
        altivec="no"
1273
    fi
1274
fi
1275

    
1276
# Add processor-specific flags
1277
POWERPCMODE="32bits"
1278
if test $cpu != "generic"; then
1279
    warn_altivec(){
1280
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1281
    }
1282
    case $cpu in
1283
        601|ppc601|PowerPC601)
1284
            add_cflags "-mcpu=601"
1285
            warn_altivec enabled PPC601
1286
        ;;
1287
        603*|ppc603*|PowerPC603*)
1288
            add_cflags "-mcpu=603"
1289
            warn_altivec enabled PPC603
1290
        ;;
1291
        604*|ppc604*|PowerPC604*)
1292
            add_cflags "-mcpu=604"
1293
            warn_altivec enabled PPC604
1294
        ;;
1295
        G3|g3|75*|ppc75*|PowerPC75*)
1296
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1297
            warn_altivec enabled PPC75x
1298
        ;;
1299
        G4|g4|745*|ppc745*|PowerPC745*)
1300
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1301
            warn_altivec disabled PPC745x
1302
        ;;
1303
        74*|ppc74*|PowerPC74*)
1304
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1305
            warn_altivec disabled PPC74xx
1306
        ;;
1307
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1308
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1309
            warn_altivec disabled PPC970
1310
            POWERPCMODE="64bits"
1311
        ;;
1312
        # targets that do NOT support conditional mov (cmov)
1313
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1314
            add_cflags "-march=$cpu"
1315
            cmov="no"
1316
        ;;
1317
        # targets that do support conditional mov (cmov)
1318
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1319
            add_cflags "-march=$cpu"
1320
            cmov="yes"
1321
            fast_cmov="yes"
1322
        ;;
1323
        # targets that do support conditional mov but on which it's slow
1324
        pentium4|prescott|nocona)
1325
            add_cflags "-march=$cpu"
1326
            cmov="yes"
1327
            fast_cmov="no"
1328
        ;;
1329
        sparc64)
1330
            add_cflags "-mcpu=v9"
1331
        ;;
1332
        *)
1333
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1334
        ;;
1335
    esac
1336
fi
1337

    
1338
gnu_make(){
1339
    $1 --version 2>&1 | grep -q GNU
1340
}
1341

    
1342
if ! gnu_make $make; then
1343
    gnu_make gmake && make=gmake || die "GNU make not found."
1344
fi
1345

    
1346
# make sure we can execute files in $TMPDIR
1347
cat >$TMPE 2>>$logfile <<EOF
1348
#! /bin/sh
1349
EOF
1350
chmod +x $TMPE >>$logfile 2>&1
1351
if ! $TMPE >>$logfile 2>&1; then
1352
    cat <<EOF
1353
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1354
variable to another directory and make sure that $TMPDIR1 is not mounted
1355
noexec.
1356
EOF
1357
    die "Sanity test failed."
1358
fi
1359
rm $TMPE
1360

    
1361
# compiler sanity check
1362
check_exec <<EOF
1363
int main(){
1364
    return 0;
1365
}
1366
EOF
1367
if test "$?" != 0; then
1368
    echo "$cc is unable to create an executable file."
1369
    if test -z "$cross_prefix" && disabled cross_compile ; then
1370
        echo "If $cc is a cross-compiler, use the --cross-compile option."
1371
        echo "Only do this if you know what cross compiling means."
1372
    fi
1373
    die "C compiler test failed."
1374
fi
1375

    
1376
# check for assembler specific support
1377

    
1378
if test $arch = "powerpc"; then
1379
check_cc <<EOF && dcbzl=yes
1380
int main(void) {
1381
    register long zero = 0;
1382
    char data[1024];
1383
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1384
return 0;
1385
}
1386
EOF
1387
fi
1388

    
1389
# check for SIMD availability
1390

    
1391
# AltiVec flags: The FSF version of GCC differs from the Apple version
1392
if test $arch = "powerpc"; then
1393
    if enabled altivec; then
1394
        if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1395
            add_cflags "-faltivec"
1396
        else
1397
            add_cflags "-maltivec -mabi=altivec"
1398
        fi
1399
    fi
1400
fi
1401

    
1402
check_header altivec.h
1403

    
1404
# check if our compiler supports Motorola AltiVec C API
1405
if enabled altivec; then
1406
    if enabled altivec_h; then
1407
        inc_altivec_h="#include <altivec.h>"
1408
    else
1409
        inc_altivec_h=
1410
    fi
1411
    check_cc <<EOF || altivec=no
1412
$inc_altivec_h
1413
int main(void) {
1414
    vector signed int v1, v2, v3;
1415
    v1 = vec_add(v2,v3);
1416
    return 0;
1417
}
1418
EOF
1419
fi
1420

    
1421
# check armv5te instructions support
1422
if test $armv5te = "default" -a $arch = "armv4l"; then
1423
    armv5te=no
1424
    check_cc <<EOF && armv5te=yes
1425
        int main(void) {
1426
        __asm__ __volatile__ ("qadd r0, r0, r0");
1427
        }
1428
EOF
1429
fi
1430

    
1431
if test $armv6 = "default" -a $arch = "armv4l"; then
1432
    check_cc <<EOF && armv6=yes || armv6=no
1433
int main(void) {
1434
    __asm__ __volatile__ ("sadd16 r0, r0, r0");
1435
}
1436
EOF
1437
fi
1438

    
1439
# check iwmmxt support
1440
if test $iwmmxt = "default" -a $arch = "armv4l"; then
1441
    iwmmxt=no
1442
    check_cc <<EOF && iwmmxt=yes
1443
        int main(void) {
1444
        __asm__ __volatile__ ("wunpckelub wr6, wr4");
1445
        }
1446
EOF
1447
fi
1448

    
1449
# mmi only available on mips
1450
if test $mmi = "default"; then
1451
    if test $arch = "mips"; then
1452
        mmi="yes"
1453
    else
1454
        mmi="no"
1455
    fi
1456
fi
1457

    
1458
# check if our compiler supports mmi
1459
enabled mmi && check_cc <<EOF || mmi="no"
1460
int main(void) {
1461
    __asm__ ("lq \$2, 0(\$2)");
1462
    return 0;
1463
}
1464
EOF
1465

    
1466
# ---
1467
# big/little-endian test
1468
if disabled cross_compile; then
1469
    check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1470
#include <inttypes.h>
1471
int main(int argc, char ** argv){
1472
        volatile uint32_t i=0x01234567;
1473
        return (*((uint8_t*)(&i))) == 0x67;
1474
}
1475
EOF
1476
else
1477
    # programs cannot be launched if cross compiling, so make a static guess
1478
    if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1479
        bigendian="yes"
1480
    fi
1481
fi
1482

    
1483
# ---
1484
# check availability of some header files
1485

    
1486
check_header malloc.h
1487
check_func memalign
1488

    
1489
if disabled_all memalign memalign_hack && enabled need_memalign ; then
1490
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1491
fi
1492

    
1493
check_header byteswap.h
1494

    
1495
check_func inet_aton
1496
check_func localtime_r
1497
enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1498

    
1499
# ffserver uses poll(),
1500
# if it's not found we can emulate it using select().
1501
if enabled ffserver; then
1502
    check_header sys/poll.h
1503
fi
1504

    
1505
# check for some common methods of building with pthread support
1506
# do this before the optional library checks as some of them require pthreads
1507
if enabled pthreads; then
1508
    if check_func pthread_create; then
1509
        :
1510
    elif check_func pthread_create -pthread; then
1511
        add_cflags -pthread
1512
        add_ldflags -pthread
1513
    elif check_func pthread_create -pthreads; then
1514
        add_cflags -pthreads
1515
        add_ldflags -pthreads
1516
    elif ! check_lib pthread.h pthread_create -lpthread; then
1517
        die "ERROR: can't find pthreads library"
1518
    fi
1519
fi
1520

    
1521
for thread in pthreads beosthreads os2threads w32threads; do
1522
    if enabled $thread; then
1523
        if ! disabled thread_type ; then
1524
            die "ERROR: Only one thread type must be selected."
1525
        else
1526
            thread_type="$thread"
1527
        fi
1528
    fi
1529
done
1530

    
1531
enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1532
enabled_all amr_nb amr_nb_fixed &&
1533
    die "Only one of amr_nb and amr_nb_fixed may be enabled."
1534

    
1535
# these are off by default, so fail if requested and not available
1536
enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1537
enabled libdts     && require libdts dts.h dts_init -ldts -lm
1538
enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1539
enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1540
enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1541
enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1542
enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1543
enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1544
enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1545
enabled x264       && require x264 x264.h x264_encoder_open -lx264
1546
enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1547
enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1548
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1549
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1550
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1551

    
1552
# test for lrintf in math.h
1553
check_exec <<EOF && lrintf=yes || lrintf=no
1554
#define _ISOC9X_SOURCE  1
1555
#include <math.h>
1556
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1557
EOF
1558

    
1559
_restrict=
1560
for restrict_keyword in restrict __restrict__ __restrict; do
1561
    check_cc <<EOF && _restrict=$restrict_keyword && break
1562
void foo(char * $restrict_keyword p);
1563
EOF
1564
done
1565

    
1566
# dlopen/dlfcn.h probing
1567

    
1568
check_header dlfcn.h
1569

    
1570
if check_func dlopen; then
1571
    ldl=
1572
elif check_func dlopen -ldl; then
1573
    ldl=-ldl
1574
fi
1575

    
1576
test "$vhook" = "default" && vhook="$dlopen"
1577

    
1578
enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1579

    
1580
if test "$targetos" = "CYGWIN" && enabled static ; then
1581
    vhook="no"
1582
    echo
1583
    echo "At the moment vhooks don't work on Cygwin static builds."
1584
    echo "Patches welcome."
1585
    echo
1586
fi
1587

    
1588
if enabled vhook; then
1589
    check_ldflags -rdynamic
1590
    check_ldflags -export-dynamic
1591
fi
1592

    
1593
enabled audio_beos && add_extralibs "-lmedia -lbe"
1594

    
1595
enabled mingw32 && add_extralibs -lws2_32
1596

    
1597
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1598
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1599

    
1600
##########################################
1601
# SDL check
1602

    
1603
sdl_too_old=no
1604
sdl=no
1605
SDL_CONFIG="${cross_prefix}sdl-config"
1606
if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1607
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1608
    temp_cflags $sdl_cflags
1609
    temp_extralibs `"${SDL_CONFIG}" --libs`
1610
    if check_lib SDL.h SDL_Init; then
1611
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1612
        if test "$_sdlversion" -lt 121 ; then
1613
            sdl_too_old=yes
1614
        else
1615
            sdl=yes
1616
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1617
#include <SDL.h>
1618
int main(void){
1619
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1620
    int w = vi->current_w;
1621
    return 0;
1622
}
1623
EOF
1624
        fi
1625
    fi
1626
    restore_flags
1627
fi
1628

    
1629
texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1630

    
1631
##########################################
1632
# IPv6 check
1633

    
1634
enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1635
#include <sys/types.h>
1636
#include <sys/socket.h>
1637
#include <netinet/in.h>
1638
#include <netdb.h>
1639
int main( void ) {
1640
  struct sockaddr_storage saddr;
1641
  struct ipv6_mreq mreq6;
1642
  getaddrinfo(0,0,0,0);
1643
  getnameinfo(0,0,0,0,0,0,0);
1644
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1645
}
1646
EOF
1647

    
1648
enabled v4l  && check_header linux/videodev.h  || disable v4l
1649
enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1650

    
1651
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1652
if enabled bktr; then
1653
    { check_header dev/bktr/ioctl_meteor.h &&
1654
      check_header dev/bktr/ioctl_bt848.h; } ||
1655
    { check_header machine/ioctl_meteor.h &&
1656
      check_header machine/ioctl_bt848.h; } ||
1657
    { check_header dev/video/meteor/ioctl_meteor.h &&
1658
      check_header dev/video/bktr/ioctl_bt848.h; } ||
1659
    check_header dev/ic/bt8xx.h ||
1660
    disable bktr
1661
fi
1662

    
1663
enabled audio_oss &&
1664
    check_header sys/soundcard.h ||
1665
    check_header soundcard.h ||
1666
    disable audio_oss
1667

    
1668
# Deal with the x11 frame grabber
1669
enabled x11grab                         &&
1670
enabled gpl                             &&
1671
enabled x11_grab_device_demuxer         &&
1672
check_header X11/Xlib.h                 &&
1673
check_header X11/extensions/XShm.h      &&
1674
check_func XOpenDisplay -lX11           &&
1675
check_func XShmCreateImage -lX11 -lXext &&
1676
add_extralibs -lX11 -lXext              ||
1677
disable x11_grab_device_demuxer
1678

    
1679
enabled debug && add_cflags -g
1680

    
1681
# add some useful compiler flags if supported
1682
check_cflags -Wdeclaration-after-statement
1683
check_cflags -Wall
1684
check_cflags -Wno-switch
1685
check_cflags -Wdisabled-optimization
1686
check_cflags -Wpointer-arith
1687
check_cflags -Wredundant-decls
1688
check_cflags -Wno-pointer-sign
1689
enabled extra_warnings && check_cflags -Winline
1690

    
1691
# add some linker flags
1692
check_ldflags $LDLATEFLAGS
1693

    
1694
# not all compilers support -Os
1695
test "$optimize" = "small" && check_cflags -Os
1696

    
1697
if enabled optimize; then
1698
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1699
        add_cflags  "-O5"
1700
        add_ldflags "-O5"
1701
    else
1702
        add_cflags "-O3"
1703
    fi
1704
fi
1705

    
1706
# PIC flags for shared library objects where they are needed
1707
if enabled shared; then
1708
    # LIBOBJFLAGS may have already been set in the OS configuration
1709
    if test -z "$LIBOBJFLAGS" ; then
1710
        case "$arch" in
1711
            x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1712
        esac
1713
    fi
1714
fi
1715

    
1716
if enabled gprof; then
1717
    add_cflags  "-p"
1718
    add_ldflags "-p"
1719
fi
1720

    
1721
VHOOKCFLAGS="-fPIC $CFLAGS"
1722
enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1723

    
1724
# find if .align arg is power-of-two or not
1725
if test $asmalign_pot = "unknown"; then
1726
    asmalign_pot="no"
1727
    echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1728
fi
1729

    
1730
enabled_any $ENCODER_LIST && enable encoders
1731
enabled_any $DECODER_LIST && enable decoders
1732
enabled_any $MUXER_LIST   && enable muxers
1733
enabled_any $DEMUXER_LIST && enable demuxers
1734

    
1735
enabled_any pthreads beosthreads os2threads w32threads && enable threads
1736

    
1737
check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1738
    $DEMUXER_LIST $MUXER_LIST
1739

    
1740
enabled libogg    && append pkg_requires "ogg >= 1.1"
1741
enabled libtheora && append pkg_requires "theora"
1742
enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1743
enabled dc1394    && append pkg_requires "libraw1394"
1744

    
1745
echo "install prefix            $PREFIX"
1746
echo "source path               $source_path"
1747
echo "C compiler                $cc"
1748
echo "make                      $make"
1749
echo ".align is power-of-two    $asmalign_pot"
1750
echo "ARCH                      $arch ($cpu)"
1751
if test "$BUILDSUF" != ""; then
1752
    echo "build suffix              $BUILDSUF"
1753
fi
1754
echo "big-endian                $bigendian"
1755
if test $arch = "x86_32" -o $arch = "x86_64"; then
1756
    echo "MMX enabled               $mmx"
1757
    echo "CMOV enabled              $cmov"
1758
    echo "CMOV is fast              $fast_cmov"
1759
fi
1760
if test $arch = "armv4l"; then
1761
    echo "ARMv5TE enabled           $armv5te"
1762
    echo "ARMv6 enabled             $armv6"
1763
    echo "IWMMXT enabled            $iwmmxt"
1764
fi
1765
if test $arch = "mips"; then
1766
    echo "MMI enabled               $mmi"
1767
fi
1768
if test $arch = "powerpc"; then
1769
    echo "AltiVec enabled           $altivec"
1770
    echo "dcbzl available           $dcbzl"
1771
fi
1772
echo "gprof enabled             $gprof"
1773
echo "debug symbols             $debug"
1774
echo "strip symbols             $dostrip"
1775
echo "optimize                  $optimize"
1776
echo "static                    $static"
1777
echo "shared                    $shared"
1778
echo "postprocessing support    $pp"
1779
echo "software scaler enabled   $swscaler"
1780
echo "video hooking             $vhook"
1781
if enabled vhook; then
1782
    echo "Imlib2 support            $imlib2"
1783
    echo "FreeType support          $freetype2"
1784
fi
1785
echo "network support           $network"
1786
if enabled network; then
1787
    echo "IPv6 support              $ipv6"
1788
fi
1789
echo "threading support         $thread_type"
1790
echo "SDL support               $sdl"
1791
if enabled sdl_too_old; then
1792
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1793
fi
1794
echo "Sun medialib support      $mlib"
1795
echo "AVISynth enabled          $avisynth"
1796
echo "liba52 support            $liba52"
1797
echo "liba52 dlopened           $liba52bin"
1798
echo "libdts support            $libdts"
1799
echo "libfaac enabled           $libfaac"
1800
echo "libfaad enabled           $libfaad"
1801
echo "faadbin enabled           $libfaadbin"
1802
echo "libgsm enabled            $libgsm"
1803
echo "libmp3lame enabled        $libmp3lame"
1804
echo "libnut enabled            $libnut"
1805
echo "libogg enabled            $libogg"
1806
echo "libtheora enabled         $libtheora"
1807
echo "libvorbis enabled         $libvorbis"
1808
echo "x264 enabled              $x264"
1809
echo "XviD enabled              $xvid"
1810
echo "zlib enabled              $zlib"
1811
echo "AMR-NB float support      $amr_nb"
1812
echo "AMR-NB fixed support      $amr_nb_fixed"
1813
echo "AMR-WB float support      $amr_wb"
1814
echo "AMR-WB IF2 support        $amr_if2"
1815
if disabled gpl; then
1816
    echo "License: LGPL"
1817
else
1818
    echo "License: GPL"
1819
fi
1820

    
1821
echo "Creating config.mak and config.h..."
1822

    
1823
echo "# Automatically generated by configure - do not modify!" > config.mak
1824
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1825
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1826

    
1827
echo "PREFIX=$PREFIX" >> config.mak
1828
echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1829
echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1830
echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1831
echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1832
echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1833
echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1834
echo "MAKE=$make" >> config.mak
1835
echo "CC=$cc" >> config.mak
1836
echo "AR=$ar" >> config.mak
1837
echo "RANLIB=$ranlib" >> config.mak
1838
if enabled dostrip; then
1839
    echo "STRIP=$strip" >> config.mak
1840
else
1841
    echo "STRIP=echo ignoring strip" >> config.mak
1842
fi
1843

    
1844
echo "OPTFLAGS=$CFLAGS" >> config.mak
1845
echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1846
echo "LDFLAGS=$LDFLAGS" >> config.mak
1847
echo "LDCONFIG=$LDCONFIG" >> config.mak
1848
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1849
echo "SHFLAGS=$SHFLAGS" >> config.mak
1850
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1851
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1852
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1853
echo "BUILD_STATIC=$static" >> config.mak
1854
echo "BUILDSUF=$BUILDSUF" >> config.mak
1855
echo "LIBPREF=$LIBPREF" >> config.mak
1856
echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1857
if enabled static; then
1858
  echo "LIB=$LIB" >> config.mak
1859
else # Some Make complain if this variable does not exist.
1860
  echo "LIB=" >> config.mak
1861
fi
1862
echo "SLIBPREF=$SLIBPREF" >> config.mak
1863
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1864
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1865

    
1866
ucarch=`toupper $arch`
1867
echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1868
echo "#define ARCH_${ucarch} 1" >> $TMPH
1869

    
1870
# special cases
1871
case "$arch" in
1872
    x86_32|x86_64)
1873
        echo "TARGET_ARCH_X86=yes" >> config.mak
1874
        echo "#define ARCH_X86 1" >> $TMPH
1875
        ;;
1876
    powerpc)
1877
        if test "$POWERPCMODE" = "64bits"; then
1878
            echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1879
        fi
1880
        ;;
1881
    sparc64)
1882
        echo "TARGET_ARCH_SPARC=yes" >> config.mak
1883
        echo "#define ARCH_SPARC 1" >> $TMPH
1884
        ;;
1885
esac
1886

    
1887
if enabled bigendian; then
1888
  echo "WORDS_BIGENDIAN=yes" >> config.mak
1889
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1890
fi
1891
if enabled mmx; then
1892
  echo "#define __CPU__ 586" >> $TMPH
1893
fi
1894

    
1895
if enabled sdl; then
1896
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1897
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1898
fi
1899
if enabled texi2html; then
1900
  echo "BUILD_DOC=yes" >> config.mak
1901
fi
1902

    
1903
sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1904
pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1905
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1906
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1907
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1908

    
1909

    
1910

    
1911
if enabled shared; then
1912
  echo "BUILD_SHARED=yes" >> config.mak
1913
  echo "PIC=-fPIC -DPIC" >> config.mak
1914
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1915
  echo "SPPVERSION=$pp_version" >> config.mak
1916
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1917
  echo "LAVCVERSION=$lavc_version" >> config.mak
1918
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1919
  echo "LAVFVERSION=$lavf_version" >> config.mak
1920
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1921
  echo "LAVUVERSION=$lavu_version" >> config.mak
1922
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1923
  echo "SWSVERSION=$sws_version" >> config.mak
1924
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
1925
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1926
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1927
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1928
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1929
fi
1930
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1931
echo "EXTRALIBS=$extralibs" >> config.mak
1932

    
1933
print_config HAVE_   $TMPH config.mak $HAVE_LIST
1934
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1935
print_config TARGET_ $TMPH config.mak $TARGET_LIST
1936

    
1937
if test "$targetos" = "Darwin"; then
1938
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
1939
fi
1940

    
1941
echo "#define restrict $_restrict" >> $TMPH
1942

    
1943
if test "$optimize" = "small"; then
1944
  echo "#define always_inline"  >> $TMPH
1945
  echo "#define CONFIG_SMALL 1" >> $TMPH
1946
fi
1947

    
1948
echo "SRC_PATH=\"$source_path\"" >> config.mak
1949
echo "SRC_PATH_BARE=$source_path" >> config.mak
1950
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1951

    
1952
if enabled amr_if2; then
1953
  echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1954
fi
1955

    
1956
# Apparently it's not possible to portably echo a backslash.
1957
if enabled asmalign_pot; then
1958
  printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1959
else
1960
  printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1961
fi
1962

    
1963

    
1964
for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1965
    ucname="`toupper $codec`"
1966
    config_name="CONFIG_$ucname"
1967
    enabled_name="ENABLE_$ucname"
1968
    if enabled $codec; then
1969
        echo "#define $config_name 1" >> $TMPH
1970
        echo "#define $enabled_name 1" >> $TMPH
1971
        echo "$config_name=yes" >> config.mak
1972
    else
1973
        echo "#define $enabled_name 0" >> $TMPH
1974
    fi
1975
done
1976

    
1977
# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1978
if ! cmp -s $TMPH config.h; then
1979
        mv -f $TMPH config.h
1980
else
1981
        echo "config.h is unchanged"
1982
fi
1983

    
1984
rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1985

    
1986
# build tree in object directory if source path is different from current one
1987
if enabled source_path_used; then
1988
    DIRS="\
1989
         doc \
1990
         libavformat \
1991
         libavcodec \
1992
         libavcodec/alpha \
1993
         libavcodec/armv4l \
1994
         libavcodec/bfin \
1995
         libavcodec/i386 \
1996
         libavcodec/sparc \
1997
         libavcodec/mlib \
1998
         libavcodec/ppc \
1999
         libavcodec/amr \
2000
         libavcodec/amr_float \
2001
         libavcodec/amrwb_float \
2002
         libpostproc \
2003
         libavutil \
2004
         libswscale \
2005
         tests \
2006
         vhook \
2007
         "
2008
    FILES="\
2009
          Makefile \
2010
          common.mak \
2011
          libavformat/Makefile \
2012
          libavcodec/Makefile \
2013
          libpostproc/Makefile \
2014
          libavutil/Makefile \
2015
          libswscale/Makefile \
2016
          tests/Makefile \
2017
          vhook/Makefile \
2018
          doc/Makefile \
2019
          doc/texi2pod.pl \
2020
          "
2021
    for dir in $DIRS ; do
2022
            mkdir -p $dir
2023
    done
2024
    for f in $FILES ; do
2025
        ln -sf "$source_path/$f" $f
2026
    done
2027
fi
2028

    
2029

    
2030
# build pkg-config files
2031
# FIXME: libdir and includedir are hardcoded and may differ from the real path.
2032

    
2033
pkgconfig_generate(){
2034
name=$1
2035
comment=$2
2036
version=$3
2037
libs=$4
2038
requires=$5
2039
include=$6
2040
cat <<EOF >$name.pc
2041
prefix=$PREFIX
2042
exec_prefix=\${prefix}
2043
libdir=\${exec_prefix}/lib
2044
includedir=\${prefix}/include
2045

    
2046
Name: $name
2047
Description: $comment
2048
Version: $version
2049
Requires: $requires
2050
Conflicts:
2051
Libs: -L\${libdir} $libs
2052
Cflags: -I\${includedir} -I\${includedir}/$include
2053
EOF
2054
}
2055

    
2056
pkgconfig_generate_uninstalled(){
2057
name=$1
2058
shortname=${name#lib}
2059
comment=$2
2060
version=$3
2061
libs=$4
2062
requires=$5
2063
cat <<EOF >$name-uninstalled.pc
2064
prefix=
2065
exec_prefix=
2066
libdir=\${pcfiledir}/$name
2067
includedir=\${pcfiledir}/$name
2068

    
2069
Name: $name
2070
Description: $comment
2071
Version: $version
2072
Requires: $requires
2073
Conflicts:
2074
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2075
Cflags: -I\${includedir}
2076
EOF
2077
}
2078

    
2079
pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2080
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2081

    
2082
pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2083
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2084

    
2085
pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2086
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2087

    
2088
if enabled pp; then
2089
  pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2090
  pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2091
fi
2092

    
2093
if enabled swscaler; then
2094
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2095
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2096
else
2097
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2098
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2099
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
2100
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2101
fi