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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
52

    
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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 floating point audio codec"
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  echo "  --enable-amr-nb-fixed    enable amr-nb fixed-point codec"
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  echo "  --enable-amr-wb          enable amr-wb floating point audio codec"
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  echo "  --enable-amr-if2         enable amr-wb IF2 audio codec"
106
  echo ""
107
  echo "Advanced options (experts only):"
108
  echo "  --source-path=PATH       path to source code [$source_path]"
109
  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 [$cc]"
113
  echo "  --make=MAKE              use specified make [$make]"
114
  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
115
  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
116
  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
117
  echo "  --build-suffix=SUFFIX    suffix for application specific build []"
118
  echo "  --arch=ARCH              select architecture  [$arch]"
119
  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]"
130
  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]"
133
  echo "  --disable-dv1394         disable DV1394 grabbing [default=no]"
134
  echo "  --disable-network        disable network support [default=no]"
135
  echo "  --disable-ipv6           disable ipv6 support [default=no]"
136
  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"
146
  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
147
  echo "  --disable-encoder=NAME   disables encoder NAME"
148
  echo "  --enable-encoder=NAME    enables encoder NAME"
149
  echo "  --disable-decoder=NAME   disables decoder NAME"
150
  echo "  --enable-decoder=NAME    enables decoder NAME"
151
  echo "  --disable-encoders       disables all encoders"
152
  echo "  --disable-decoders       disables all decoders"
153
  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
    ebp_available
546
    ebx_available
547
    ffmpeg
548
    ffplay
549
    ffserver
550
    gpl
551
    gprof
552
    ipv6
553
    liba52
554
    liba52bin
555
    libdts
556
    libfaac
557
    libfaad
558
    libfaadbin
559
    libgsm
560
    libmp3lame
561
    libnut
562
    libogg
563
    libtheora
564
    libvorbis
565
    memalign_hack
566
    mpegaudio_hp
567
    network
568
    powerpc_perf
569
    pp
570
    protocols
571
    swscaler
572
    vhook
573
    v4l
574
    v4l2
575
    wince
576
    x11grab
577
    x264
578
    xvid
579
    zlib
580
'
581

    
582
THREADS_LIST='
583
    beosthreads
584
    os2threads
585
    pthreads
586
    w32threads
587
'
588

    
589
HAVE_LIST="
590
    $THREADS_LIST
591
    altivec
592
    altivec_h
593
    armv5te
594
    armv6
595
    arpa_inet_h
596
    byteswap_h
597
    cmov
598
    dcbzl
599
    dev_bktr_ioctl_bt848_h
600
    dev_bktr_ioctl_meteor_h
601
    dev_ic_bt8xx_h
602
    dev_video_meteor_ioctl_meteor_h
603
    dev_video_bktr_ioctl_bt848_h
604
    dlfcn_h
605
    dlopen
606
    fast_64bit
607
    fast_cmov
608
    freetype2
609
    imlib2
610
    inet_aton
611
    iwmmxt
612
    localtime_r
613
    lrintf
614
    machine_ioctl_bt848_h
615
    machine_ioctl_meteor_h
616
    malloc_h
617
    memalign
618
    mlib
619
    mmi
620
    mmx
621
    os2
622
    sdl
623
    sdl_video_size
624
    soundcard_h
625
    sys_poll_h
626
    sys_soundcard_h
627
    threads
628
"
629

    
630
TARGET_LIST='
631
    altivec
632
    armv5te
633
    armv6
634
    iwmmxt
635
    mmi
636
    mmx
637
'
638

    
639
CMDLINE_SELECT="
640
    $CONFIG_LIST
641
    $TARGET_LIST
642
    $THREADS_LIST
643
    amr_if2
644
    debug
645
    extra_warnings
646
    shared
647
    static
648
"
649

    
650
dxa_decoder_deps="zlib"
651
flashsv_decoder_deps="zlib"
652
flashsv_encoder_deps="zlib"
653
mpeg_xvmc_decoder_deps="xvmc"
654
png_decoder_deps="zlib"
655
png_encoder_deps="zlib"
656
x264_encoder_deps="x264"
657
xvid_encoder_deps="xvid"
658
zmbv_decoder_deps="zlib"
659
zmbv_encoder_deps="zlib"
660

    
661
aac_decoder_deps="libfaad"
662
mpeg4aac_decoder_deps="libfaad"
663
amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
664
amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
665
amr_wb_decoder_deps="amr_wb"
666
amr_wb_encoder_deps="amr_wb"
667
dts_decoder_deps="libdts"
668
faac_encoder_deps="libfaac"
669
liba52_decoder_deps="liba52"
670
libgsm_decoder_deps="libgsm"
671
libgsm_encoder_deps="libgsm"
672
libgsm_ms_decoder_deps="libgsm"
673
libgsm_ms_encoder_deps="libgsm"
674
libtheora_encoder_deps="libtheora"
675
mp3lame_encoder_deps="libmp3lame"
676
oggvorbis_decoder_deps="libvorbis"
677
oggvorbis_encoder_deps="libvorbis"
678

    
679
audio_demuxer_deps_any="audio_oss audio_beos"
680
audio_muxer_deps_any="audio_oss audio_beos"
681
dc1394_demuxer_deps="dc1394"
682
dv1394_demuxer_deps="dv1394"
683
gxf_muxer_deps="gpl"
684
libnut_demuxer_deps="libnut"
685
libnut_muxer_deps="libnut"
686
ogg_muxer_deps="libogg"
687
redir_demuxer_deps="network"
688
rtp_muxer_deps="network"
689
rtsp_demuxer_deps="network"
690
sdp_demuxer_deps="network"
691
v4l2_demuxer_deps="v4l2"
692
video_grab_device_demuxer_deps_any="v4l bktr"
693
x11_grab_device_demuxer_deps="x11grab"
694

    
695
ffplay_deps="sdl"
696
ffserver_deps="network protocols muxers"
697
network_deps="protocols"
698

    
699
# set temporary file name
700
if test ! -z "$TMPDIR" ; then
701
    TMPDIR1="${TMPDIR}"
702
elif test ! -z "$TEMPDIR" ; then
703
    TMPDIR1="${TEMPDIR}"
704
else
705
    TMPDIR1="/tmp"
706
fi
707

    
708
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
709
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
710
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
711
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
712
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
713

    
714
# default parameters
715

    
716
logging="yes"
717
logfile="config.err"
718

    
719
# installation paths
720
PREFIX="/usr/local"
721
libdir='${PREFIX}/lib'
722
shlibdir="$libdir"
723
incdir='${PREFIX}/include/ffmpeg'
724
mandir='${PREFIX}/man'
725
bindir='${PREFIX}/bin'
726

    
727
# toolchain
728
cross_prefix=""
729
cross_compile="no"
730
cc="gcc"
731
ar="ar"
732
ranlib="ranlib"
733
make="make"
734
strip="strip"
735
asmalign_pot="unknown"
736

    
737
# machine
738
arch=`uname -m`
739
cpu="generic"
740
powerpc_perf="no"
741
mmx="default"
742
cmov="no"
743
fast_cmov="no"
744
armv5te="default"
745
armv6="default"
746
iwmmxt="default"
747
altivec="default"
748
dcbzl="no"
749
mmi="default"
750
bigendian="no"
751

    
752
# OS
753
targetos=`uname -s`
754
beos_netserver="no"
755
os2="no"
756
wince="no"
757

    
758
# non-library system interfaces
759
audio_beos="default"
760
audio_oss="yes"
761
bktr="yes"
762
dv1394="yes"
763
v4l2="yes"
764
v4l="yes"
765

    
766
# libraries
767
amr_if2="no"
768
amr_nb="no"
769
amr_nb_fixed="no"
770
amr_wb="no"
771
avisynth="no"
772
dc1394="no"
773
dlfcn_h="no"
774
dlopen="no"
775
liba52="no"
776
liba52bin="no"
777
libdts="no"
778
libfaac="no"
779
libfaad2="no"
780
libfaad="no"
781
libfaadbin="no"
782
libgsm="no"
783
libmp3lame="no"
784
libnut="no"
785
libogg="no"
786
libtheora="no"
787
libvorbis="no"
788
mlib="no"
789
x11grab="no"
790
x264="no"
791
xvid="no"
792
zlib="yes"
793

    
794
# configurable options
795
debug="yes"
796
dostrip="yes"
797
extra_warnings="no"
798
ffmpeg="yes"
799
ffplay="yes"
800
ffserver="yes"
801
gpl="no"
802
gprof="no"
803
ipv6="yes"
804
shared="no"
805
static="yes"
806
memalign_hack="no"
807
mpegaudio_hp="yes"
808
network="yes"
809
optimize="yes"
810
pp="no"
811
protocols="yes"
812
swscaler="no"
813
vhook="default"
814

    
815
# threading
816
beosthreads="no"
817
os2threads="no"
818
pthreads="no"
819
w32threads="no"
820
thread_type="no"
821

    
822
# build settings
823
SHFLAGS='-shared -Wl,-soname,$@'
824
VHOOKSHFLAGS='$(SHFLAGS)'
825
LIBOBJFLAGS=""
826
FFLDFLAGS=-Wl,--warn-common
827
LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
828
FFSERVERLDFLAGS=-Wl,-E
829
LDCONFIG="ldconfig"
830
LIBPREF="lib"
831
LIBSUF=".a"
832
LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
833
SLIBPREF="lib"
834
SLIBSUF=".so"
835
SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
836
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
837
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
838
EXESUF=""
839
BUILDSUF=""
840
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
841

    
842
# find source path
843
source_path="`dirname \"$0\"`"
844
source_path_used="yes"
845
if test -z "$source_path" -o "$source_path" = "." ; then
846
    source_path="`pwd`"
847
    source_path_used="no"
848
else
849
    source_path="`cd \"$source_path\"; pwd`"
850
    echo "$source_path" | grep -q '[[:blank:]]' &&
851
      die "Out of tree builds are impossible with whitespace in source path."
852
fi
853

    
854
if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
855
    show_help
856
fi
857

    
858
FFMPEG_CONFIGURATION="$@"
859

    
860
ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
861
DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
862
PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
863
MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
864
DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
865

    
866
enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
867

    
868
die_unknown(){
869
    echo "Unknown option \"$1\"."
870
    echo "See $0 --help for available options."
871
    exit 1
872
}
873

    
874
for opt do
875
  optval="${opt#*=}"
876
  case "$opt" in
877
  --log)
878
  ;;
879
  --log=*) logging="$optval"
880
  ;;
881
  --prefix=*) PREFIX="$optval"
882
  ;;
883
  --libdir=*) libdir="$optval"
884
  ;;
885
  --shlibdir=*) shlibdir="$optval"
886
  ;;
887
  --incdir=*) incdir="$optval"
888
  ;;
889
  --mandir=*) mandir="$optval"
890
  ;;
891
  --source-path=*) source_path="$optval"
892
  ;;
893
  --cross-prefix=*) cross_prefix="$optval"
894
  ;;
895
  --cross-compile) cross_compile="yes"
896
  ;;
897
  --target-os=*) targetos="$optval"
898
  ;;
899
  --cc=*) cc="$optval"
900
  ;;
901
  --make=*) make="$optval"
902
  ;;
903
  --extra-cflags=*) add_cflags "$optval"
904
  ;;
905
  --extra-ldflags=*) add_ldflags "$optval"
906
  ;;
907
  --extra-libs=*) add_extralibs "$optval"
908
  ;;
909
  --build-suffix=*) BUILDSUF="$optval"
910
  ;;
911
  --arch=*) arch="$optval"
912
  ;;
913
  --cpu=*) cpu="$optval"
914
  ;;
915
  --enable-mingwce) wince="yes"
916
  ;;
917
  --disable-opts) optimize="no"
918
  ;;
919
  --enable-small) optimize="small"
920
  ;;
921
  --enable-sunmlib) mlib="yes"
922
  ;;
923
  --disable-strip) dostrip="no"
924
  ;;
925
  --disable-encoders) disable $ENCODER_LIST
926
  ;;
927
  --disable-decoders) disable $DECODER_LIST
928
  ;;
929
  --disable-muxers) disable $MUXER_LIST
930
  ;;
931
  --disable-demuxers) disable $DEMUXER_LIST
932
  ;;
933
  --disable-parsers) disable $PARSER_LIST
934
  ;;
935
  --enable-*=*|--disable-*=*)
936
  eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
937
  case "$thing" in
938
      encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
939
      *) die_unknown "$opt" ;;
940
  esac
941
  ;;
942
  --enable-?*|--disable-?*)
943
  eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
944
  echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
945
  $action $option
946
  ;;
947
  --help) show_help
948
  ;;
949
  *)
950
  die_unknown $opt
951
  ;;
952
  esac
953
done
954

    
955
case "$arch" in
956
  i386|i486|i586|i686|i86pc|BePC)
957
    arch="x86_32"
958
  ;;
959
  x86_64|amd64)
960
    arch="x86_32"
961
    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
962
    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
963
      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
964
        arch="x86_64"
965
        enable fast_64bit
966
      fi
967
    fi
968
  ;;
969
  # armv4l is a subset of armv[567]*l
970
  arm|armv[4567]*l)
971
    arch="armv4l"
972
  ;;
973
  alpha)
974
    arch="alpha"
975
    enable fast_64bit
976
  ;;
977
  "Power Macintosh"|ppc|powerpc)
978
    arch="powerpc"
979
  ;;
980
  ppc64)
981
    arch="powerpc"
982
    enable fast_64bit
983
  ;;
984
  mips|mipsel|IP*)
985
    arch="mips"
986
  ;;
987
  sun4u|sparc64)
988
    arch="sparc64"
989
    enable fast_64bit
990
  ;;
991
  sparc)
992
    arch="sparc"
993
  ;;
994
  sh4)
995
    arch="sh4"
996
  ;;
997
  parisc)
998
    arch="parisc"
999
  ;;
1000
  parisc64)
1001
    arch="parisc"
1002
    enable fast_64bit
1003
  ;;
1004
  s390|s390x)
1005
    arch="s390"
1006
  ;;
1007
  m68k)
1008
    arch="m68k"
1009
  ;;
1010
  ia64)
1011
    arch="ia64"
1012
    enable fast_64bit
1013
  ;;
1014
  bfin)
1015
    arch="bfin"
1016
  ;;
1017
  *)
1018
    arch="unknown"
1019
  ;;
1020
esac
1021

    
1022
# OS specific
1023
osextralibs="-lm"
1024
case `tolower $targetos` in
1025
  beos|haiku|zeta)
1026
    PREFIX="$HOME/config"
1027
    # helps building libavcodec
1028
    add_cflags "-DPIC -fomit-frame-pointer"
1029
    # 3 gcc releases known for BeOS, each with ugly bugs
1030
    gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1031
    case "$gcc_version" in
1032
      2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1033
        mmx="no"
1034
        ;;
1035
      *20010315*) echo "BeBits gcc"
1036
        add_cflags "-fno-expensive-optimizations"
1037
        ;;
1038
    esac
1039
    LDCONFIG="echo ignoring ldconfig"
1040
    SHFLAGS=-nostart
1041
    # disable Linux things
1042
    dv1394="no"
1043
    # enable BeOS things
1044
    disabled audio_beos || enable_audio_beos
1045
    # no need for libm, but the inet stuff
1046
    # Check for BONE
1047
    # XXX: actually should check for NOT net_server
1048
    if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1049
        osextralibs="-lbind -lsocket"
1050
    else
1051
        beos_netserver="yes"
1052
        osextralibs="-lnet"
1053
    fi ;;
1054
  sunos)
1055
    dv1394="no"
1056
    FFLDFLAGS=""
1057
    FFSERVERLDFLAGS=""
1058
    SHFLAGS="-shared -Wl,-h,\$@"
1059
    add_extralibs "-lsocket -lnsl"
1060
    ;;
1061
  netbsd)
1062
    dv1394="no"
1063
    add_extralibs "-lossaudio"
1064
    ;;
1065
  openbsd)
1066
    dv1394="no"
1067
    need_memalign="no"
1068
    LIBOBJFLAGS="\$(PIC)"
1069
    LDCONFIG="ldconfig -m \$(shlibdir)"
1070
    SHFLAGS='-shared'
1071
    SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1072
    SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1073
    SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1074
    add_extralibs "-lossaudio"
1075
    ;;
1076
  freebsd)
1077
    dv1394="no"
1078
    need_memalign="no"
1079
    add_cflags "-pthread"
1080
    ;;
1081
  gnu/kfreebsd)
1082
    dv1394="no"
1083
    add_cflags "-pthread"
1084
    ;;
1085
  bsd/os)
1086
    dv1394="no"
1087
    osextralibs="-lpoll -lgnugetopt -lm"
1088
    strip="strip -d"
1089
    ;;
1090
  darwin)
1091
    dv1394="no"
1092
    need_memalign="no"
1093
    SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1094
    VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1095
    osextralibs=""
1096
    strip="strip -x"
1097
    FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1098
    SLIBSUF=".dylib"
1099
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1100
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1101
    FFSERVERLDFLAGS=-Wl,-bind_at_load
1102
    ;;
1103
  mingw32*)
1104
    if enabled_all shared static; then
1105
        cat <<EOF
1106
You can only build one library type at once on MinGW.
1107
Specify --disable-static --enable-shared to only build
1108
the shared libraries. To build only the static libraries
1109
you do not need to pass additional options.
1110
EOF
1111
        exit 1
1112
    fi
1113
    dv1394="no"
1114
    ffserver="no"
1115
    network="no"
1116
    if enabled wince; then
1117
        protocols="no"
1118
    fi
1119
    SLIBPREF=""
1120
    SLIBSUF=".dll"
1121
    EXESUF=".exe"
1122
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1123
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1124
    SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1125
    SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1126
    SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1127
    add_extralibs -lws2_32
1128
    ;;
1129
  cygwin*)
1130
    targetos=CYGWIN
1131
    shlibdir="$bindir"
1132
    dv1394="no"
1133
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1134
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1135
    osextralibs=""
1136
    EXESUF=".exe"
1137
    SLIBPREF="cyg"
1138
    SLIBSUF=".dll"
1139
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1140
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1141
    SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1142
    ;;
1143
  linux)
1144
    LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1145
    ;;
1146
  irix*)
1147
    targetos=IRIX
1148
    ranlib="echo ignoring ranlib"
1149
    ;;
1150
  os/2)
1151
    TMPE=$TMPE".exe"
1152
    ar="emxomfar -p128"
1153
    ranlib="echo ignoring ranlib"
1154
    strip="echo ignoring strip"
1155
    add_cflags "-Zomf"
1156
    FFLDFLAGS="-Zomf -Zstack 16384 -s"
1157
    SHFLAGS="-Zdll -Zomf"
1158
    FFSERVERLDFLAGS=""
1159
    LIBPREF=""
1160
    LIBSUF=".lib"
1161
    SLIBPREF=""
1162
    SLIBSUF=".dll"
1163
    EXESUF=".exe"
1164
    osextralibs=""
1165
    pkg_requires=""
1166
    dv1394="no"
1167
    ffserver="no"
1168
    vhook="no"
1169
    os2="yes"
1170
    ;;
1171
  *)
1172
    targetos="${targetos}-UNKNOWN"
1173
    ;;
1174
esac
1175

    
1176
add_extralibs $osextralibs
1177

    
1178
if ! disabled logging ; then
1179
    enabled logging || logfile="$logging"
1180
    echo "# $0 $@" >$logfile
1181
    set >>$logfile
1182
else
1183
    logfile=/dev/null
1184
fi
1185

    
1186
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1187
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1188

    
1189
test -n "$cross_prefix" && cross_compile=yes
1190
cc="${cross_prefix}${cc}"
1191
ar="${cross_prefix}${ar}"
1192
ranlib="${cross_prefix}${ranlib}"
1193
strip="${cross_prefix}${strip}"
1194

    
1195
# Disable core dumps so that intentional execution of broken apps doesn't
1196
# pollute the current directory.
1197
ulimit -c 0
1198

    
1199
# we need to build at least one lib type
1200
if disabled_all static shared; then
1201
    cat <<EOF
1202
At least one library type must be built.
1203
Specify --enable-static to build the static libraries or --enable-shared to
1204
build the shared libraries as well. To only build the shared libraries specify
1205
--disable-static in addition to --enable-shared.
1206
EOF
1207
    exit 1;
1208
fi
1209

    
1210
if disabled libogg; then
1211
    enabled libtheora && die "libogg must be enabled to enable libtheora."
1212
    enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1213
fi
1214

    
1215
if enabled_any libfaad libfaadbin ; then
1216
    if check_header faad.h; then
1217
        check_cc << EOF
1218
#include <faad.h>
1219
#ifndef FAAD2_VERSION
1220
ok faad1
1221
#endif
1222
int main( void ) { return 0; }
1223
EOF
1224
        test $? = 0 && enable libfaad2
1225
    else
1226
        die "FAAD test failed."
1227
    fi
1228
fi
1229

    
1230

    
1231
if disabled gpl ; then
1232
    die_gpl_disabled(){
1233
        name=$1
1234
        shift
1235
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1236
    }
1237
    die_gpl_disabled "The Postprocessing code" pp
1238
    die_gpl_disabled "liba52"                  liba52
1239
    die_gpl_disabled "libxvidcore"             xvid
1240
    die_gpl_disabled "x264"                    x264
1241
    die_gpl_disabled "libdts"                  libdts
1242
    die_gpl_disabled "FAAD2"                   libfaad2
1243
    die_gpl_disabled "The X11 grabber"         x11grab
1244
    die_gpl_disabled "The software scaler"     swscaler
1245
fi
1246

    
1247
# compute MMX state
1248
if test $mmx = "default"; then
1249
    if test $arch = "x86_32" -o $arch = "x86_64"; then
1250
        mmx="yes"
1251
    else
1252
        mmx="no"
1253
    fi
1254
fi
1255

    
1256
test -z "$need_memalign" && need_memalign="$mmx"
1257

    
1258
#Darwin CC versions
1259
needmdynamicnopic="no"
1260
if test $targetos = Darwin; then
1261
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1262
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1263
    else
1264
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1265
        case "$gcc_version" in
1266
            *2.95*)
1267
                add_cflags "-no-cpp-precomp -pipe"
1268
                ;;
1269
            *[34].*)
1270
                add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1271
                if disabled shared; then
1272
                   needmdynamicnopic="yes"
1273
                fi
1274
                ;;
1275
            *)
1276
                add_cflags "-no-cpp-precomp -pipe"
1277
                if disabled shared; then
1278
                   needmdynamicnopic="yes"
1279
                fi
1280
                ;;
1281
        esac
1282
    fi
1283
fi
1284

    
1285
disabled optimize || add_cflags -fomit-frame-pointer
1286

    
1287
# Can only do AltiVec on PowerPC
1288
if test $altivec = "default"; then
1289
    if test $arch = "powerpc"; then
1290
        altivec="yes"
1291
    else
1292
        altivec="no"
1293
    fi
1294
fi
1295

    
1296
# Add processor-specific flags
1297
POWERPCMODE="32bits"
1298
if test $cpu != "generic"; then
1299
    warn_altivec(){
1300
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1301
    }
1302
    case $cpu in
1303
        601|ppc601|PowerPC601)
1304
            add_cflags "-mcpu=601"
1305
            warn_altivec enabled PPC601
1306
        ;;
1307
        603*|ppc603*|PowerPC603*)
1308
            add_cflags "-mcpu=603"
1309
            warn_altivec enabled PPC603
1310
        ;;
1311
        604*|ppc604*|PowerPC604*)
1312
            add_cflags "-mcpu=604"
1313
            warn_altivec enabled PPC604
1314
        ;;
1315
        G3|g3|75*|ppc75*|PowerPC75*)
1316
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1317
            warn_altivec enabled PPC75x
1318
        ;;
1319
        G4|g4|745*|ppc745*|PowerPC745*)
1320
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1321
            warn_altivec disabled PPC745x
1322
        ;;
1323
        74*|ppc74*|PowerPC74*)
1324
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1325
            warn_altivec disabled PPC74xx
1326
        ;;
1327
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1328
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1329
            warn_altivec disabled PPC970
1330
            POWERPCMODE="64bits"
1331
        ;;
1332
        # targets that do NOT support conditional mov (cmov)
1333
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1334
            add_cflags "-march=$cpu"
1335
            cmov="no"
1336
        ;;
1337
        # targets that do support conditional mov (cmov)
1338
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1339
            add_cflags "-march=$cpu"
1340
            cmov="yes"
1341
            fast_cmov="yes"
1342
        ;;
1343
        # targets that do support conditional mov but on which it's slow
1344
        pentium4|prescott|nocona)
1345
            add_cflags "-march=$cpu"
1346
            cmov="yes"
1347
            fast_cmov="no"
1348
        ;;
1349
        sparc64)
1350
            add_cflags "-mcpu=v9"
1351
        ;;
1352
        bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1353
            add_cflags "-mfdpic"
1354
            add_ldflags "-mfdpic -Wl,--defsym,__stacksize=0x40000"
1355
        ;;
1356
        *)
1357
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1358
        ;;
1359
    esac
1360
fi
1361

    
1362
gnu_make(){
1363
    $1 --version 2>&1 | grep -q GNU
1364
}
1365

    
1366
if ! gnu_make $make; then
1367
    gnu_make gmake && make=gmake || die "GNU make not found."
1368
fi
1369

    
1370
# make sure we can execute files in $TMPDIR
1371
cat >$TMPE 2>>$logfile <<EOF
1372
#! /bin/sh
1373
EOF
1374
chmod +x $TMPE >>$logfile 2>&1
1375
if ! $TMPE >>$logfile 2>&1; then
1376
    cat <<EOF
1377
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1378
variable to another directory and make sure that $TMPDIR1 is not mounted
1379
noexec.
1380
EOF
1381
    die "Sanity test failed."
1382
fi
1383
rm $TMPE
1384

    
1385
# compiler sanity check
1386
check_exec <<EOF
1387
int main(){
1388
    return 0;
1389
}
1390
EOF
1391
if test "$?" != 0; then
1392
    echo "$cc is unable to create an executable file."
1393
    if test -z "$cross_prefix" && disabled cross_compile ; then
1394
        echo "If $cc is a cross-compiler, use the --cross-compile option."
1395
        echo "Only do this if you know what cross compiling means."
1396
    fi
1397
    die "C compiler test failed."
1398
fi
1399

    
1400
if test $arch = "x86_32" -o $arch = "x86_64"; then
1401
    if test "$targetos" = "mingw32" -o "$targetos" = "CYGWIN"; then
1402
        cat <<EOF
1403
WARNING: The following test might cause a testapp to crash (intentionally)
1404
resulting in the appearance of a dialog box. Please click "Don't send" and
1405
ignore it.
1406
EOF
1407
    fi
1408

    
1409
    # check whether EBP is available on x86
1410
    # As 'i' is stored on the stack, this program will crash
1411
    # if the base pointer is used to access it because the
1412
    # base pointer is cleared in the inline assembly code.
1413
    check_exec <<EOF && enable ebp_available
1414
int main(){
1415
    volatile int i=0;
1416
    asm volatile (
1417
        "xorl %%ebp, %%ebp"
1418
    ::: "%ebp");
1419
    return i;
1420
}
1421
EOF
1422

    
1423
    # check wether EBX is available on x86
1424
    check_cc <<EOF && enable ebx_available
1425
int main(){
1426
    asm volatile ("":::"%ebx");
1427
}
1428
EOF
1429
fi
1430

    
1431
# check for assembler specific support
1432

    
1433
if test $arch = "powerpc"; then
1434
check_cc <<EOF && dcbzl=yes
1435
int main(void) {
1436
    register long zero = 0;
1437
    char data[1024];
1438
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1439
return 0;
1440
}
1441
EOF
1442
fi
1443

    
1444
# check for SIMD availability
1445

    
1446
# AltiVec flags: The FSF version of GCC differs from the Apple version
1447
if test $arch = "powerpc"; then
1448
    if enabled altivec; then
1449
        if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1450
            add_cflags "-faltivec"
1451
        else
1452
            add_cflags "-maltivec -mabi=altivec"
1453
        fi
1454
    fi
1455
fi
1456

    
1457
check_header altivec.h
1458

    
1459
# check if our compiler supports Motorola AltiVec C API
1460
if enabled altivec; then
1461
    if enabled altivec_h; then
1462
        inc_altivec_h="#include <altivec.h>"
1463
    else
1464
        inc_altivec_h=
1465
    fi
1466
    check_cc <<EOF || altivec=no
1467
$inc_altivec_h
1468
int main(void) {
1469
    vector signed int v1, v2, v3;
1470
    v1 = vec_add(v2,v3);
1471
    return 0;
1472
}
1473
EOF
1474
fi
1475

    
1476
# check armv5te instructions support
1477
if test $armv5te = "default" -a $arch = "armv4l"; then
1478
    armv5te=no
1479
    check_cc <<EOF && armv5te=yes
1480
        int main(void) {
1481
        __asm__ __volatile__ ("qadd r0, r0, r0");
1482
        }
1483
EOF
1484
fi
1485

    
1486
if test $armv6 = "default" -a $arch = "armv4l"; then
1487
    check_cc <<EOF && armv6=yes || armv6=no
1488
int main(void) {
1489
    __asm__ __volatile__ ("sadd16 r0, r0, r0");
1490
}
1491
EOF
1492
fi
1493

    
1494
# check iwmmxt support
1495
if test $iwmmxt = "default" -a $arch = "armv4l"; then
1496
    iwmmxt=no
1497
    check_cc <<EOF && iwmmxt=yes
1498
        int main(void) {
1499
        __asm__ __volatile__ ("wunpckelub wr6, wr4");
1500
        }
1501
EOF
1502
fi
1503

    
1504
# mmi only available on mips
1505
if test $mmi = "default"; then
1506
    if test $arch = "mips"; then
1507
        mmi="yes"
1508
    else
1509
        mmi="no"
1510
    fi
1511
fi
1512

    
1513
# check if our compiler supports mmi
1514
enabled mmi && check_cc <<EOF || mmi="no"
1515
int main(void) {
1516
    __asm__ ("lq \$2, 0(\$2)");
1517
    return 0;
1518
}
1519
EOF
1520

    
1521
# ---
1522
# big/little-endian test
1523
if disabled cross_compile; then
1524
    check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1525
#include <inttypes.h>
1526
int main(int argc, char ** argv){
1527
        volatile uint32_t i=0x01234567;
1528
        return (*((uint8_t*)(&i))) == 0x67;
1529
}
1530
EOF
1531
else
1532
    # programs cannot be launched if cross compiling, so make a static guess
1533
    if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1534
        bigendian="yes"
1535
    fi
1536
fi
1537

    
1538
# ---
1539
# check availability of some header files
1540

    
1541
check_header malloc.h
1542
check_func memalign
1543

    
1544
if disabled_all memalign memalign_hack && enabled need_memalign ; then
1545
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1546
fi
1547

    
1548
check_header byteswap.h
1549

    
1550
check_header arpa/inet.h
1551

    
1552
check_func inet_aton
1553
check_func localtime_r
1554
enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1555

    
1556
# ffserver uses poll(),
1557
# if it's not found we can emulate it using select().
1558
if enabled ffserver; then
1559
    check_header sys/poll.h
1560
fi
1561

    
1562
# check for some common methods of building with pthread support
1563
# do this before the optional library checks as some of them require pthreads
1564
if enabled pthreads; then
1565
    if check_func pthread_create; then
1566
        :
1567
    elif check_func pthread_create -pthread; then
1568
        add_cflags -pthread
1569
        add_ldflags -pthread
1570
    elif check_func pthread_create -pthreads; then
1571
        add_cflags -pthreads
1572
        add_ldflags -pthreads
1573
    elif ! check_lib pthread.h pthread_create -lpthread; then
1574
        die "ERROR: can't find pthreads library"
1575
    fi
1576
fi
1577

    
1578
for thread in $THREADS_LIST; do
1579
    if enabled $thread; then
1580
        if ! disabled thread_type ; then
1581
            die "ERROR: Only one thread type must be selected."
1582
        else
1583
            thread_type="$thread"
1584
        fi
1585
    fi
1586
done
1587

    
1588
enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1589
enabled_all amr_nb amr_nb_fixed &&
1590
    die "Only one of amr_nb and amr_nb_fixed may be enabled."
1591

    
1592
# these are off by default, so fail if requested and not available
1593
enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1594
enabled libdts     && require libdts dts.h dts_init -ldts -lm
1595
enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1596
enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1597
enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1598
enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1599
enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1600
enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1601
enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1602
enabled x264       && require x264 x264.h x264_encoder_open -lx264
1603
enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1604
enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1605
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1606
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1607
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1608

    
1609
# test for lrintf in math.h
1610
check_exec <<EOF && lrintf=yes || lrintf=no
1611
#define _ISOC9X_SOURCE  1
1612
#include <math.h>
1613
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1614
EOF
1615

    
1616
_restrict=
1617
for restrict_keyword in restrict __restrict__ __restrict; do
1618
    check_cc <<EOF && _restrict=$restrict_keyword && break
1619
void foo(char * $restrict_keyword p);
1620
EOF
1621
done
1622

    
1623
# dlopen/dlfcn.h probing
1624

    
1625
check_header dlfcn.h
1626

    
1627
if check_func dlopen; then
1628
    ldl=
1629
elif check_func dlopen -ldl; then
1630
    ldl=-ldl
1631
fi
1632

    
1633
test "$vhook" = "default" && vhook="$dlopen"
1634

    
1635
enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1636

    
1637
if test "$targetos" = "CYGWIN" && enabled static ; then
1638
    vhook="no"
1639
    echo
1640
    echo "At the moment vhooks don't work on Cygwin static builds."
1641
    echo "Patches welcome."
1642
    echo
1643
fi
1644

    
1645
if enabled vhook; then
1646
    check_ldflags -rdynamic
1647
    check_ldflags -export-dynamic
1648
fi
1649

    
1650
enabled audio_beos && add_extralibs "-lmedia -lbe"
1651

    
1652
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1653
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1654

    
1655
##########################################
1656
# SDL check
1657

    
1658
sdl_too_old=no
1659
sdl=no
1660
SDL_CONFIG="${cross_prefix}sdl-config"
1661
if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1662
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1663
    temp_cflags $sdl_cflags
1664
    temp_extralibs `"${SDL_CONFIG}" --libs`
1665
    if check_lib SDL.h SDL_Init; then
1666
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1667
        if test "$_sdlversion" -lt 121 ; then
1668
            sdl_too_old=yes
1669
        else
1670
            sdl=yes
1671
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1672
#include <SDL.h>
1673
int main(void){
1674
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1675
    int w = vi->current_w;
1676
    return 0;
1677
}
1678
EOF
1679
        fi
1680
    fi
1681
    restore_flags
1682
fi
1683

    
1684
texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1685

    
1686
##########################################
1687
# IPv6 check
1688

    
1689
enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1690
#include <sys/types.h>
1691
#include <sys/socket.h>
1692
#include <netinet/in.h>
1693
#include <netdb.h>
1694
int main( void ) {
1695
  struct sockaddr_storage saddr;
1696
  struct ipv6_mreq mreq6;
1697
  getaddrinfo(0,0,0,0);
1698
  getnameinfo(0,0,0,0,0,0,0);
1699
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1700
}
1701
EOF
1702

    
1703
enabled v4l  && check_header linux/videodev.h  || disable v4l
1704
enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1705

    
1706
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1707
if enabled bktr; then
1708
    { check_header dev/bktr/ioctl_meteor.h &&
1709
      check_header dev/bktr/ioctl_bt848.h; } ||
1710
    { check_header machine/ioctl_meteor.h &&
1711
      check_header machine/ioctl_bt848.h; } ||
1712
    { check_header dev/video/meteor/ioctl_meteor.h &&
1713
      check_header dev/video/bktr/ioctl_bt848.h; } ||
1714
    check_header dev/ic/bt8xx.h ||
1715
    disable bktr
1716
fi
1717

    
1718
enabled audio_oss &&
1719
    check_header sys/soundcard.h ||
1720
    check_header soundcard.h ||
1721
    disable audio_oss
1722

    
1723
# Deal with the x11 frame grabber
1724
enabled x11grab                         &&
1725
enabled gpl                             &&
1726
enabled x11_grab_device_demuxer         &&
1727
check_header X11/Xlib.h                 &&
1728
check_header X11/extensions/XShm.h      &&
1729
check_func XOpenDisplay -lX11           &&
1730
check_func XShmCreateImage -lX11 -lXext &&
1731
add_extralibs -lX11 -lXext              ||
1732
disable x11_grab_device_demuxer
1733

    
1734
enabled debug && add_cflags -g
1735

    
1736
# add some useful compiler flags if supported
1737
check_cflags -Wdeclaration-after-statement
1738
check_cflags -Wall
1739
check_cflags -Wno-switch
1740
check_cflags -Wdisabled-optimization
1741
check_cflags -Wpointer-arith
1742
check_cflags -Wredundant-decls
1743
check_cflags -Wno-pointer-sign
1744
enabled extra_warnings && check_cflags -Winline
1745

    
1746
# add some linker flags
1747
check_ldflags $LDLATEFLAGS
1748

    
1749
# not all compilers support -Os
1750
test "$optimize" = "small" && check_cflags -Os
1751

    
1752
if enabled optimize; then
1753
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1754
        add_cflags  "-O5"
1755
        add_ldflags "-O5"
1756
    else
1757
        add_cflags "-O3"
1758
    fi
1759
fi
1760

    
1761
# PIC flags for shared library objects where they are needed
1762
if enabled shared; then
1763
    # LIBOBJFLAGS may have already been set in the OS configuration
1764
    if test -z "$LIBOBJFLAGS" ; then
1765
        case "$arch" in
1766
            x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1767
        esac
1768
    fi
1769
fi
1770

    
1771
if enabled gprof; then
1772
    add_cflags  "-p"
1773
    add_ldflags "-p"
1774
fi
1775

    
1776
VHOOKCFLAGS="-fPIC $CFLAGS"
1777
enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1778

    
1779
# find if .align arg is power-of-two or not
1780
if test $asmalign_pot = "unknown"; then
1781
    asmalign_pot="no"
1782
    echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1783
fi
1784

    
1785
enabled_any $ENCODER_LIST && enable encoders
1786
enabled_any $DECODER_LIST && enable decoders
1787
enabled_any $MUXER_LIST   && enable muxers
1788
enabled_any $DEMUXER_LIST && enable demuxers
1789

    
1790
enabled_any $THREADS_LIST && enable threads
1791

    
1792
check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1793
    $DEMUXER_LIST $MUXER_LIST
1794

    
1795
enabled libogg    && append pkg_requires "ogg >= 1.1"
1796
enabled libtheora && append pkg_requires "theora"
1797
enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1798
enabled dc1394    && append pkg_requires "libraw1394"
1799

    
1800
echo "install prefix            $PREFIX"
1801
echo "source path               $source_path"
1802
echo "C compiler                $cc"
1803
echo "make                      $make"
1804
echo ".align is power-of-two    $asmalign_pot"
1805
echo "ARCH                      $arch ($cpu)"
1806
if test "$BUILDSUF" != ""; then
1807
    echo "build suffix              $BUILDSUF"
1808
fi
1809
echo "big-endian                $bigendian"
1810
if test $arch = "x86_32" -o $arch = "x86_64"; then
1811
    echo "MMX enabled               $mmx"
1812
    echo "CMOV enabled              $cmov"
1813
    echo "CMOV is fast              $fast_cmov"
1814
fi
1815
if test $arch = "armv4l"; then
1816
    echo "ARMv5TE enabled           $armv5te"
1817
    echo "ARMv6 enabled             $armv6"
1818
    echo "IWMMXT enabled            $iwmmxt"
1819
fi
1820
if test $arch = "mips"; then
1821
    echo "MMI enabled               $mmi"
1822
fi
1823
if test $arch = "powerpc"; then
1824
    echo "AltiVec enabled           $altivec"
1825
    echo "dcbzl available           $dcbzl"
1826
fi
1827
echo "gprof enabled             $gprof"
1828
echo "debug symbols             $debug"
1829
echo "strip symbols             $dostrip"
1830
echo "optimize                  $optimize"
1831
echo "static                    $static"
1832
echo "shared                    $shared"
1833
echo "postprocessing support    $pp"
1834
echo "software scaler enabled   $swscaler"
1835
echo "video hooking             $vhook"
1836
if enabled vhook; then
1837
    echo "Imlib2 support            $imlib2"
1838
    echo "FreeType support          $freetype2"
1839
fi
1840
echo "network support           $network"
1841
if enabled network; then
1842
    echo "IPv6 support              $ipv6"
1843
fi
1844
echo "threading support         $thread_type"
1845
echo "SDL support               $sdl"
1846
if enabled sdl_too_old; then
1847
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1848
fi
1849
echo "Sun medialib support      $mlib"
1850
echo "AVISynth enabled          $avisynth"
1851
echo "liba52 support            $liba52"
1852
echo "liba52 dlopened           $liba52bin"
1853
echo "libdts support            $libdts"
1854
echo "libfaac enabled           $libfaac"
1855
echo "libfaad enabled           $libfaad"
1856
echo "faadbin enabled           $libfaadbin"
1857
echo "libgsm enabled            $libgsm"
1858
echo "libmp3lame enabled        $libmp3lame"
1859
echo "libnut enabled            $libnut"
1860
echo "libogg enabled            $libogg"
1861
echo "libtheora enabled         $libtheora"
1862
echo "libvorbis enabled         $libvorbis"
1863
echo "x264 enabled              $x264"
1864
echo "XviD enabled              $xvid"
1865
echo "zlib enabled              $zlib"
1866
echo "AMR-NB float support      $amr_nb"
1867
echo "AMR-NB fixed support      $amr_nb_fixed"
1868
echo "AMR-WB float support      $amr_wb"
1869
echo "AMR-WB IF2 support        $amr_if2"
1870
if disabled gpl; then
1871
    echo "License: LGPL"
1872
else
1873
    echo "License: GPL"
1874
fi
1875

    
1876
echo "Creating config.mak and config.h..."
1877

    
1878
echo "# Automatically generated by configure - do not modify!" > config.mak
1879
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1880
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1881

    
1882
echo "PREFIX=$PREFIX" >> config.mak
1883
echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1884
echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1885
echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1886
echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1887
echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1888
echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1889
echo "MAKE=$make" >> config.mak
1890
echo "CC=$cc" >> config.mak
1891
echo "AR=$ar" >> config.mak
1892
echo "RANLIB=$ranlib" >> config.mak
1893
if enabled dostrip; then
1894
    echo "STRIP=$strip" >> config.mak
1895
else
1896
    echo "STRIP=echo ignoring strip" >> config.mak
1897
fi
1898

    
1899
echo "OPTFLAGS=$CFLAGS" >> config.mak
1900
echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1901
echo "LDFLAGS=$LDFLAGS" >> config.mak
1902
echo "LDCONFIG=$LDCONFIG" >> config.mak
1903
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1904
echo "SHFLAGS=$SHFLAGS" >> config.mak
1905
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1906
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1907
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1908
echo "BUILD_STATIC=$static" >> config.mak
1909
echo "BUILDSUF=$BUILDSUF" >> config.mak
1910
echo "LIBPREF=$LIBPREF" >> config.mak
1911
echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1912
if enabled static; then
1913
  echo "LIB=$LIB" >> config.mak
1914
else # Some Make complain if this variable does not exist.
1915
  echo "LIB=" >> config.mak
1916
fi
1917
echo "SLIBPREF=$SLIBPREF" >> config.mak
1918
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1919
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1920

    
1921
ucarch=`toupper $arch`
1922
echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1923
echo "#define ARCH_${ucarch} 1" >> $TMPH
1924

    
1925
# special cases
1926
case "$arch" in
1927
    x86_32|x86_64)
1928
        echo "TARGET_ARCH_X86=yes" >> config.mak
1929
        echo "#define ARCH_X86 1" >> $TMPH
1930
        ;;
1931
    powerpc)
1932
        if test "$POWERPCMODE" = "64bits"; then
1933
            echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1934
        fi
1935
        ;;
1936
    sparc64)
1937
        echo "TARGET_ARCH_SPARC=yes" >> config.mak
1938
        echo "#define ARCH_SPARC 1" >> $TMPH
1939
        ;;
1940
esac
1941

    
1942
if enabled bigendian; then
1943
  echo "WORDS_BIGENDIAN=yes" >> config.mak
1944
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1945
fi
1946
if enabled mmx; then
1947
  echo "#define __CPU__ 586" >> $TMPH
1948
fi
1949

    
1950
if enabled sdl; then
1951
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1952
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1953
fi
1954
if enabled texi2html; then
1955
  echo "BUILD_DOC=yes" >> config.mak
1956
fi
1957

    
1958
sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1959
pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1960
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1961
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1962
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1963

    
1964

    
1965

    
1966
if enabled shared; then
1967
  echo "BUILD_SHARED=yes" >> config.mak
1968
  echo "PIC=-fPIC -DPIC" >> config.mak
1969
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1970
  echo "SPPVERSION=$pp_version" >> config.mak
1971
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1972
  echo "LAVCVERSION=$lavc_version" >> config.mak
1973
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1974
  echo "LAVFVERSION=$lavf_version" >> config.mak
1975
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1976
  echo "LAVUVERSION=$lavu_version" >> config.mak
1977
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1978
  echo "SWSVERSION=$sws_version" >> config.mak
1979
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
1980
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1981
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1982
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1983
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1984
fi
1985
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1986
echo "EXTRALIBS=$extralibs" >> config.mak
1987

    
1988
print_config HAVE_   $TMPH config.mak $HAVE_LIST
1989
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1990
print_config TARGET_ $TMPH config.mak $TARGET_LIST
1991

    
1992
if test "$targetos" = "Darwin"; then
1993
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
1994
fi
1995

    
1996
echo "#define restrict $_restrict" >> $TMPH
1997

    
1998
if test "$optimize" = "small"; then
1999
  echo "#define always_inline"  >> $TMPH
2000
  echo "#define CONFIG_SMALL 1" >> $TMPH
2001
fi
2002

    
2003
echo "SRC_PATH=\"$source_path\"" >> config.mak
2004
echo "SRC_PATH_BARE=$source_path" >> config.mak
2005
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2006

    
2007
if enabled amr_if2; then
2008
  echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2009
fi
2010

    
2011
# Apparently it's not possible to portably echo a backslash.
2012
if enabled asmalign_pot; then
2013
  printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2014
else
2015
  printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2016
fi
2017

    
2018

    
2019
for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2020
    ucname="`toupper $codec`"
2021
    config_name="CONFIG_$ucname"
2022
    enabled_name="ENABLE_$ucname"
2023
    if enabled $codec; then
2024
        echo "#define $config_name 1" >> $TMPH
2025
        echo "#define $enabled_name 1" >> $TMPH
2026
        echo "$config_name=yes" >> config.mak
2027
    else
2028
        echo "#define $enabled_name 0" >> $TMPH
2029
    fi
2030
done
2031

    
2032
# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2033
if ! cmp -s $TMPH config.h; then
2034
        mv -f $TMPH config.h
2035
else
2036
        echo "config.h is unchanged"
2037
fi
2038

    
2039
rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2040

    
2041
# build tree in object directory if source path is different from current one
2042
if enabled source_path_used; then
2043
    DIRS="\
2044
         doc \
2045
         libavformat \
2046
         libavcodec \
2047
         libavcodec/alpha \
2048
         libavcodec/armv4l \
2049
         libavcodec/bfin \
2050
         libavcodec/i386 \
2051
         libavcodec/sparc \
2052
         libavcodec/mlib \
2053
         libavcodec/ppc \
2054
         libavcodec/amr \
2055
         libavcodec/amr_float \
2056
         libavcodec/amrwb_float \
2057
         libpostproc \
2058
         libavutil \
2059
         libswscale \
2060
         tests \
2061
         vhook \
2062
         "
2063
    FILES="\
2064
          Makefile \
2065
          common.mak \
2066
          libavformat/Makefile \
2067
          libavcodec/Makefile \
2068
          libpostproc/Makefile \
2069
          libavutil/Makefile \
2070
          libswscale/Makefile \
2071
          tests/Makefile \
2072
          vhook/Makefile \
2073
          doc/Makefile \
2074
          doc/texi2pod.pl \
2075
          "
2076
    for dir in $DIRS ; do
2077
            mkdir -p $dir
2078
    done
2079
    for f in $FILES ; do
2080
        ln -sf "$source_path/$f" $f
2081
    done
2082
fi
2083

    
2084

    
2085
# build pkg-config files
2086
# FIXME: libdir and includedir are hardcoded and may differ from the real path.
2087

    
2088
pkgconfig_generate(){
2089
name=$1
2090
comment=$2
2091
version=$3
2092
libs=$4
2093
requires=$5
2094
include=$6
2095
cat <<EOF >$name.pc
2096
prefix=$PREFIX
2097
exec_prefix=\${prefix}
2098
libdir=\${exec_prefix}/lib
2099
includedir=\${prefix}/include
2100

    
2101
Name: $name
2102
Description: $comment
2103
Version: $version
2104
Requires: $requires
2105
Conflicts:
2106
Libs: -L\${libdir} $libs
2107
Cflags: -I\${includedir} -I\${includedir}/$include
2108
EOF
2109
}
2110

    
2111
pkgconfig_generate_uninstalled(){
2112
name=$1
2113
shortname=${name#lib}
2114
comment=$2
2115
version=$3
2116
libs=$4
2117
requires=$5
2118
cat <<EOF >$name-uninstalled.pc
2119
prefix=
2120
exec_prefix=
2121
libdir=\${pcfiledir}/$name
2122
includedir=\${pcfiledir}/$name
2123

    
2124
Name: $name
2125
Description: $comment
2126
Version: $version
2127
Requires: $requires
2128
Conflicts:
2129
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2130
Cflags: -I\${includedir}
2131
EOF
2132
}
2133

    
2134
pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2135
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2136

    
2137
pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2138
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2139

    
2140
pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2141
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2142

    
2143
if enabled pp; then
2144
  pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2145
  pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2146
fi
2147

    
2148
if enabled swscaler; then
2149
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2150
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2151
else
2152
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2153
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2154
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
2155
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2156
fi