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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"
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  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]"
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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]"
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)$(SLIBSUF)'
1101
    FFSERVERLDFLAGS=-Wl,-bind_at_load
1102
    ;;
1103
  mingw32*)
1104
    targetos=mingw32
1105
    if enabled_all shared static; then
1106
        cat <<EOF
1107
You can only build one library type at once on MinGW.
1108
Specify --disable-static --enable-shared to only build
1109
the shared libraries. To build only the static libraries
1110
you do not need to pass additional options.
1111
EOF
1112
        exit 1
1113
    fi
1114
    dv1394="no"
1115
    ffserver="no"
1116
    network="no"
1117
    if enabled wince; then
1118
        protocols="no"
1119
    fi
1120
    SLIBPREF=""
1121
    SLIBSUF=".dll"
1122
    EXESUF=".exe"
1123
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1124
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1125
    SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1126
    SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1127
    SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1128
    add_extralibs -lws2_32
1129
    ;;
1130
  cygwin*)
1131
    targetos=CYGWIN
1132
    shlibdir="$bindir"
1133
    dv1394="no"
1134
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1135
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1136
    osextralibs=""
1137
    EXESUF=".exe"
1138
    SLIBPREF="cyg"
1139
    SLIBSUF=".dll"
1140
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1141
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1142
    SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1143
    ;;
1144
  linux)
1145
    LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1146
    ;;
1147
  irix*)
1148
    targetos=IRIX
1149
    ranlib="echo ignoring ranlib"
1150
    ;;
1151
  os/2)
1152
    TMPE=$TMPE".exe"
1153
    ar="emxomfar -p128"
1154
    ranlib="echo ignoring ranlib"
1155
    strip="echo ignoring strip"
1156
    add_cflags "-Zomf"
1157
    FFLDFLAGS="-Zomf -Zstack 16384 -s"
1158
    SHFLAGS="-Zdll -Zomf"
1159
    FFSERVERLDFLAGS=""
1160
    LIBPREF=""
1161
    LIBSUF=".lib"
1162
    SLIBPREF=""
1163
    SLIBSUF=".dll"
1164
    EXESUF=".exe"
1165
    osextralibs=""
1166
    pkg_requires=""
1167
    dv1394="no"
1168
    ffserver="no"
1169
    vhook="no"
1170
    os2="yes"
1171
    ;;
1172
  *)
1173
    targetos="${targetos}-UNKNOWN"
1174
    ;;
1175
esac
1176

    
1177
add_extralibs $osextralibs
1178

    
1179
if ! disabled logging ; then
1180
    enabled logging || logfile="$logging"
1181
    echo "# $0 $@" >$logfile
1182
    set >>$logfile
1183
else
1184
    logfile=/dev/null
1185
fi
1186

    
1187
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1188
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1189

    
1190
test -n "$cross_prefix" && cross_compile=yes
1191
cc="${cross_prefix}${cc}"
1192
ar="${cross_prefix}${ar}"
1193
ranlib="${cross_prefix}${ranlib}"
1194
strip="${cross_prefix}${strip}"
1195

    
1196
# Disable core dumps so that intentional execution of broken apps doesn't
1197
# pollute the current directory.
1198
ulimit -c 0
1199

    
1200
# we need to build at least one lib type
1201
if disabled_all static shared; then
1202
    cat <<EOF
1203
At least one library type must be built.
1204
Specify --enable-static to build the static libraries or --enable-shared to
1205
build the shared libraries as well. To only build the shared libraries specify
1206
--disable-static in addition to --enable-shared.
1207
EOF
1208
    exit 1;
1209
fi
1210

    
1211
if disabled libogg; then
1212
    enabled libtheora && die "libogg must be enabled to enable libtheora."
1213
    enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1214
fi
1215

    
1216
if enabled_any libfaad libfaadbin ; then
1217
    if check_header faad.h; then
1218
        check_cc << EOF
1219
#include <faad.h>
1220
#ifndef FAAD2_VERSION
1221
ok faad1
1222
#endif
1223
int main( void ) { return 0; }
1224
EOF
1225
        test $? = 0 && enable libfaad2
1226
    else
1227
        die "FAAD test failed."
1228
    fi
1229
fi
1230

    
1231

    
1232
if disabled gpl ; then
1233
    die_gpl_disabled(){
1234
        name=$1
1235
        shift
1236
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1237
    }
1238
    die_gpl_disabled "The Postprocessing code" pp
1239
    die_gpl_disabled "liba52"                  liba52
1240
    die_gpl_disabled "libxvidcore"             xvid
1241
    die_gpl_disabled "x264"                    x264
1242
    die_gpl_disabled "libdts"                  libdts
1243
    die_gpl_disabled "FAAD2"                   libfaad2
1244
    die_gpl_disabled "The X11 grabber"         x11grab
1245
    die_gpl_disabled "The software scaler"     swscaler
1246
fi
1247

    
1248
# compute MMX state
1249
if test $mmx = "default"; then
1250
    if test $arch = "x86_32" -o $arch = "x86_64"; then
1251
        mmx="yes"
1252
    else
1253
        mmx="no"
1254
    fi
1255
fi
1256

    
1257
test -z "$need_memalign" && need_memalign="$mmx"
1258

    
1259
#Darwin CC versions
1260
needmdynamicnopic="no"
1261
if test $targetos = Darwin; then
1262
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1263
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1264
    else
1265
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1266
        case "$gcc_version" in
1267
            *2.95*)
1268
                add_cflags "-no-cpp-precomp -pipe"
1269
                ;;
1270
            *[34].*)
1271
                add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1272
                if disabled shared; then
1273
                   needmdynamicnopic="yes"
1274
                fi
1275
                ;;
1276
            *)
1277
                add_cflags "-no-cpp-precomp -pipe"
1278
                if disabled shared; then
1279
                   needmdynamicnopic="yes"
1280
                fi
1281
                ;;
1282
        esac
1283
    fi
1284
fi
1285

    
1286
disabled optimize || add_cflags -fomit-frame-pointer
1287

    
1288
# Can only do AltiVec on PowerPC
1289
if test $altivec = "default"; then
1290
    if test $arch = "powerpc"; then
1291
        altivec="yes"
1292
    else
1293
        altivec="no"
1294
    fi
1295
fi
1296

    
1297
# Add processor-specific flags
1298
POWERPCMODE="32bits"
1299
if test $cpu != "generic"; then
1300
    warn_altivec(){
1301
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1302
    }
1303
    case $cpu in
1304
        601|ppc601|PowerPC601)
1305
            add_cflags "-mcpu=601"
1306
            warn_altivec enabled PPC601
1307
        ;;
1308
        603*|ppc603*|PowerPC603*)
1309
            add_cflags "-mcpu=603"
1310
            warn_altivec enabled PPC603
1311
        ;;
1312
        604*|ppc604*|PowerPC604*)
1313
            add_cflags "-mcpu=604"
1314
            warn_altivec enabled PPC604
1315
        ;;
1316
        G3|g3|75*|ppc75*|PowerPC75*)
1317
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1318
            warn_altivec enabled PPC75x
1319
        ;;
1320
        G4|g4|745*|ppc745*|PowerPC745*)
1321
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1322
            warn_altivec disabled PPC745x
1323
        ;;
1324
        74*|ppc74*|PowerPC74*)
1325
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1326
            warn_altivec disabled PPC74xx
1327
        ;;
1328
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1329
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1330
            warn_altivec disabled PPC970
1331
            POWERPCMODE="64bits"
1332
        ;;
1333
        # targets that do NOT support conditional mov (cmov)
1334
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1335
            add_cflags "-march=$cpu"
1336
            cmov="no"
1337
        ;;
1338
        # targets that do support conditional mov (cmov)
1339
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1340
            add_cflags "-march=$cpu"
1341
            cmov="yes"
1342
            fast_cmov="yes"
1343
        ;;
1344
        # targets that do support conditional mov but on which it's slow
1345
        pentium4|prescott|nocona)
1346
            add_cflags "-march=$cpu"
1347
            cmov="yes"
1348
            fast_cmov="no"
1349
        ;;
1350
        sparc64)
1351
            add_cflags "-mcpu=v9"
1352
        ;;
1353
        bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1354
            add_cflags "-mfdpic"
1355
            add_ldflags "-mfdpic"
1356
        ;;
1357
        *)
1358
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1359
        ;;
1360
    esac
1361
fi
1362

    
1363
gnu_make(){
1364
    $1 --version 2>&1 | grep -q GNU
1365
}
1366

    
1367
if ! gnu_make $make; then
1368
    gnu_make gmake && make=gmake || die "GNU make not found."
1369
fi
1370

    
1371
# make sure we can execute files in $TMPDIR
1372
cat >$TMPE 2>>$logfile <<EOF
1373
#! /bin/sh
1374
EOF
1375
chmod +x $TMPE >>$logfile 2>&1
1376
if ! $TMPE >>$logfile 2>&1; then
1377
    cat <<EOF
1378
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1379
variable to another directory and make sure that $TMPDIR1 is not mounted
1380
noexec.
1381
EOF
1382
    die "Sanity test failed."
1383
fi
1384
rm $TMPE
1385

    
1386
# compiler sanity check
1387
check_exec <<EOF
1388
int main(){
1389
    return 0;
1390
}
1391
EOF
1392
if test "$?" != 0; then
1393
    echo "$cc is unable to create an executable file."
1394
    if test -z "$cross_prefix" && disabled cross_compile ; then
1395
        echo "If $cc is a cross-compiler, use the --cross-compile option."
1396
        echo "Only do this if you know what cross compiling means."
1397
    fi
1398
    die "C compiler test failed."
1399
fi
1400

    
1401
if test $arch = "x86_32" -o $arch = "x86_64"; then
1402
    if test "$targetos" = "mingw32" -o "$targetos" = "CYGWIN"; then
1403
        cat <<EOF
1404
WARNING: The following test might cause a testapp to crash (intentionally)
1405
resulting in the appearance of a dialog box. Please click "Don't send" and
1406
ignore it.
1407
EOF
1408
    fi
1409

    
1410
    # check whether EBP is available on x86
1411
    # As 'i' is stored on the stack, this program will crash
1412
    # if the base pointer is used to access it because the
1413
    # base pointer is cleared in the inline assembly code.
1414
    (check_exec) <<EOF >>$logfile 2>&1 && enable ebp_available
1415
int main(){
1416
    volatile int i=0;
1417
    asm volatile (
1418
        "xorl %%ebp, %%ebp"
1419
    ::: "%ebp");
1420
    return i;
1421
}
1422
EOF
1423

    
1424
    # check wether EBX is available on x86
1425
    check_cc <<EOF && enable ebx_available
1426
int main(){
1427
    asm volatile ("":::"%ebx");
1428
}
1429
EOF
1430
fi
1431

    
1432
# check for assembler specific support
1433

    
1434
if test $arch = "powerpc"; then
1435
check_cc <<EOF && dcbzl=yes
1436
int main(void) {
1437
    register long zero = 0;
1438
    char data[1024];
1439
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1440
return 0;
1441
}
1442
EOF
1443
fi
1444

    
1445
# check for SIMD availability
1446

    
1447
# AltiVec flags: The FSF version of GCC differs from the Apple version
1448
if test $arch = "powerpc"; then
1449
    if enabled altivec; then
1450
        if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1451
            add_cflags "-faltivec"
1452
        else
1453
            add_cflags "-maltivec -mabi=altivec"
1454
        fi
1455
    fi
1456
fi
1457

    
1458
check_header altivec.h
1459

    
1460
# check if our compiler supports Motorola AltiVec C API
1461
if enabled altivec; then
1462
    if enabled altivec_h; then
1463
        inc_altivec_h="#include <altivec.h>"
1464
    else
1465
        inc_altivec_h=
1466
    fi
1467
    check_cc <<EOF || altivec=no
1468
$inc_altivec_h
1469
int main(void) {
1470
    vector signed int v1, v2, v3;
1471
    v1 = vec_add(v2,v3);
1472
    return 0;
1473
}
1474
EOF
1475
fi
1476

    
1477
# check armv5te instructions support
1478
if test $armv5te = "default" -a $arch = "armv4l"; then
1479
    armv5te=no
1480
    check_cc <<EOF && armv5te=yes
1481
        int main(void) {
1482
        __asm__ __volatile__ ("qadd r0, r0, r0");
1483
        }
1484
EOF
1485
fi
1486

    
1487
if test $armv6 = "default" -a $arch = "armv4l"; then
1488
    check_cc <<EOF && armv6=yes || armv6=no
1489
int main(void) {
1490
    __asm__ __volatile__ ("sadd16 r0, r0, r0");
1491
}
1492
EOF
1493
fi
1494

    
1495
# check iwmmxt support
1496
if test $iwmmxt = "default" -a $arch = "armv4l"; then
1497
    iwmmxt=no
1498
    check_cc <<EOF && iwmmxt=yes
1499
        int main(void) {
1500
        __asm__ __volatile__ ("wunpckelub wr6, wr4");
1501
        }
1502
EOF
1503
fi
1504

    
1505
# mmi only available on mips
1506
if test $mmi = "default"; then
1507
    if test $arch = "mips"; then
1508
        mmi="yes"
1509
    else
1510
        mmi="no"
1511
    fi
1512
fi
1513

    
1514
# check if our compiler supports mmi
1515
enabled mmi && check_cc <<EOF || mmi="no"
1516
int main(void) {
1517
    __asm__ ("lq \$2, 0(\$2)");
1518
    return 0;
1519
}
1520
EOF
1521

    
1522
# ---
1523
# big/little-endian test
1524
if disabled cross_compile; then
1525
    check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1526
#include <inttypes.h>
1527
int main(int argc, char ** argv){
1528
        volatile uint32_t i=0x01234567;
1529
        return (*((uint8_t*)(&i))) == 0x67;
1530
}
1531
EOF
1532
else
1533
    # programs cannot be launched if cross compiling, so make a static guess
1534
    if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1535
        bigendian="yes"
1536
    fi
1537
fi
1538

    
1539
# ---
1540
# check availability of some header files
1541

    
1542
check_header malloc.h
1543
check_func memalign
1544

    
1545
if disabled_all memalign memalign_hack && enabled need_memalign ; then
1546
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1547
fi
1548

    
1549
check_header byteswap.h
1550

    
1551
check_header arpa/inet.h
1552

    
1553
check_func inet_aton
1554
check_func localtime_r
1555
enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1556

    
1557
# ffserver uses poll(),
1558
# if it's not found we can emulate it using select().
1559
if enabled ffserver; then
1560
    check_header sys/poll.h
1561
fi
1562

    
1563
# check for some common methods of building with pthread support
1564
# do this before the optional library checks as some of them require pthreads
1565
if enabled pthreads; then
1566
    if check_func pthread_create; then
1567
        :
1568
    elif check_func pthread_create -pthread; then
1569
        add_cflags -pthread
1570
        add_ldflags -pthread
1571
    elif check_func pthread_create -pthreads; then
1572
        add_cflags -pthreads
1573
        add_ldflags -pthreads
1574
    elif ! check_lib pthread.h pthread_create -lpthread; then
1575
        die "ERROR: can't find pthreads library"
1576
    fi
1577
fi
1578

    
1579
for thread in $THREADS_LIST; do
1580
    if enabled $thread; then
1581
        if ! disabled thread_type ; then
1582
            die "ERROR: Only one thread type must be selected."
1583
        else
1584
            thread_type="$thread"
1585
        fi
1586
    fi
1587
done
1588

    
1589
enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1590
enabled_all amr_nb amr_nb_fixed &&
1591
    die "Only one of amr_nb and amr_nb_fixed may be enabled."
1592

    
1593
# these are off by default, so fail if requested and not available
1594
enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
1595
enabled libdts     && require libdts dts.h dts_init -ldts -lm
1596
enabled libgsm     && require libgsm gsm.h gsm_create -lgsm
1597
enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1598
enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
1599
enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1600
enabled libogg     && require libogg ogg/ogg.h ogg_sync_init -logg
1601
enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
1602
enabled xvid       && require XviD xvid.h xvid_global -lxvidcore
1603
enabled x264       && require x264 x264.h x264_encoder_open -lx264
1604
enabled dc1394     && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1605
enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1606
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1607
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1608
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1609

    
1610
# test for lrintf in math.h
1611
check_exec <<EOF && lrintf=yes || lrintf=no
1612
#define _ISOC9X_SOURCE  1
1613
#include <math.h>
1614
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1615
EOF
1616

    
1617
_restrict=
1618
for restrict_keyword in restrict __restrict__ __restrict; do
1619
    check_cc <<EOF && _restrict=$restrict_keyword && break
1620
void foo(char * $restrict_keyword p);
1621
EOF
1622
done
1623

    
1624
# dlopen/dlfcn.h probing
1625

    
1626
check_header dlfcn.h
1627

    
1628
if check_func dlopen; then
1629
    ldl=
1630
elif check_func dlopen -ldl; then
1631
    ldl=-ldl
1632
fi
1633

    
1634
test "$vhook" = "default" && vhook="$dlopen"
1635

    
1636
enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1637

    
1638
if test "$targetos" = "CYGWIN" && enabled static ; then
1639
    vhook="no"
1640
    echo
1641
    echo "At the moment vhooks don't work on Cygwin static builds."
1642
    echo "Patches welcome."
1643
    echo
1644
fi
1645

    
1646
if enabled vhook; then
1647
    check_ldflags -rdynamic
1648
    check_ldflags -export-dynamic
1649
fi
1650

    
1651
enabled audio_beos && add_extralibs "-lmedia -lbe"
1652

    
1653
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1654
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1655

    
1656
##########################################
1657
# SDL check
1658

    
1659
sdl_too_old=no
1660
sdl=no
1661
SDL_CONFIG="${cross_prefix}sdl-config"
1662
if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1663
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1664
    temp_cflags $sdl_cflags
1665
    temp_extralibs `"${SDL_CONFIG}" --libs`
1666
    if check_lib SDL.h SDL_Init; then
1667
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1668
        if test "$_sdlversion" -lt 121 ; then
1669
            sdl_too_old=yes
1670
        else
1671
            sdl=yes
1672
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1673
#include <SDL.h>
1674
int main(void){
1675
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1676
    int w = vi->current_w;
1677
    return 0;
1678
}
1679
EOF
1680
        fi
1681
    fi
1682
    restore_flags
1683
fi
1684

    
1685
texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1686

    
1687
##########################################
1688
# IPv6 check
1689

    
1690
enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1691
#include <sys/types.h>
1692
#include <sys/socket.h>
1693
#include <netinet/in.h>
1694
#include <netdb.h>
1695
int main( void ) {
1696
  struct sockaddr_storage saddr;
1697
  struct ipv6_mreq mreq6;
1698
  getaddrinfo(0,0,0,0);
1699
  getnameinfo(0,0,0,0,0,0,0);
1700
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1701
}
1702
EOF
1703

    
1704
enabled v4l  && check_header linux/videodev.h  || disable v4l
1705
enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1706

    
1707
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1708
if enabled bktr; then
1709
    { check_header dev/bktr/ioctl_meteor.h &&
1710
      check_header dev/bktr/ioctl_bt848.h; } ||
1711
    { check_header machine/ioctl_meteor.h &&
1712
      check_header machine/ioctl_bt848.h; } ||
1713
    { check_header dev/video/meteor/ioctl_meteor.h &&
1714
      check_header dev/video/bktr/ioctl_bt848.h; } ||
1715
    check_header dev/ic/bt8xx.h ||
1716
    disable bktr
1717
fi
1718

    
1719
enabled audio_oss &&
1720
    check_header sys/soundcard.h ||
1721
    check_header soundcard.h ||
1722
    disable audio_oss
1723

    
1724
# Deal with the x11 frame grabber
1725
enabled x11grab                         &&
1726
enabled gpl                             &&
1727
enabled x11_grab_device_demuxer         &&
1728
check_header X11/Xlib.h                 &&
1729
check_header X11/extensions/XShm.h      &&
1730
check_func XOpenDisplay -lX11           &&
1731
check_func XShmCreateImage -lX11 -lXext &&
1732
add_extralibs -lX11 -lXext              ||
1733
disable x11_grab_device_demuxer
1734

    
1735
enabled debug && add_cflags -g
1736

    
1737
# add some useful compiler flags if supported
1738
check_cflags -Wdeclaration-after-statement
1739
check_cflags -Wall
1740
check_cflags -Wno-switch
1741
check_cflags -Wdisabled-optimization
1742
check_cflags -Wpointer-arith
1743
check_cflags -Wredundant-decls
1744
check_cflags -Wno-pointer-sign
1745
enabled extra_warnings && check_cflags -Winline
1746

    
1747
# add some linker flags
1748
check_ldflags $LDLATEFLAGS
1749

    
1750
# not all compilers support -Os
1751
test "$optimize" = "small" && check_cflags -Os
1752

    
1753
if enabled optimize; then
1754
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
1755
        add_cflags  "-O5"
1756
        add_ldflags "-O5"
1757
    else
1758
        add_cflags "-O3"
1759
    fi
1760
fi
1761

    
1762
# PIC flags for shared library objects where they are needed
1763
if enabled shared; then
1764
    # LIBOBJFLAGS may have already been set in the OS configuration
1765
    if test -z "$LIBOBJFLAGS" ; then
1766
        case "$arch" in
1767
            x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1768
        esac
1769
    fi
1770
fi
1771

    
1772
if enabled gprof; then
1773
    add_cflags  "-p"
1774
    add_ldflags "-p"
1775
fi
1776

    
1777
VHOOKCFLAGS="-fPIC $CFLAGS"
1778
enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1779

    
1780
# find if .align arg is power-of-two or not
1781
if test $asmalign_pot = "unknown"; then
1782
    asmalign_pot="no"
1783
    echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1784
fi
1785

    
1786
enabled_any $ENCODER_LIST && enable encoders
1787
enabled_any $DECODER_LIST && enable decoders
1788
enabled_any $MUXER_LIST   && enable muxers
1789
enabled_any $DEMUXER_LIST && enable demuxers
1790

    
1791
enabled_any $THREADS_LIST && enable threads
1792

    
1793
check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1794
    $DEMUXER_LIST $MUXER_LIST
1795

    
1796
enabled libogg    && append pkg_requires "ogg >= 1.1"
1797
enabled libtheora && append pkg_requires "theora"
1798
enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1799
enabled dc1394    && append pkg_requires "libraw1394"
1800

    
1801
echo "install prefix            $PREFIX"
1802
echo "source path               $source_path"
1803
echo "C compiler                $cc"
1804
echo "make                      $make"
1805
echo ".align is power-of-two    $asmalign_pot"
1806
echo "ARCH                      $arch ($cpu)"
1807
if test "$BUILDSUF" != ""; then
1808
    echo "build suffix              $BUILDSUF"
1809
fi
1810
echo "big-endian                $bigendian"
1811
if test $arch = "x86_32" -o $arch = "x86_64"; then
1812
    echo "MMX enabled               $mmx"
1813
    echo "CMOV enabled              $cmov"
1814
    echo "CMOV is fast              $fast_cmov"
1815
fi
1816
if test $arch = "armv4l"; then
1817
    echo "ARMv5TE enabled           $armv5te"
1818
    echo "ARMv6 enabled             $armv6"
1819
    echo "IWMMXT enabled            $iwmmxt"
1820
fi
1821
if test $arch = "mips"; then
1822
    echo "MMI enabled               $mmi"
1823
fi
1824
if test $arch = "powerpc"; then
1825
    echo "AltiVec enabled           $altivec"
1826
    echo "dcbzl available           $dcbzl"
1827
fi
1828
echo "gprof enabled             $gprof"
1829
echo "debug symbols             $debug"
1830
echo "strip symbols             $dostrip"
1831
echo "optimize                  $optimize"
1832
echo "static                    $static"
1833
echo "shared                    $shared"
1834
echo "postprocessing support    $pp"
1835
echo "software scaler enabled   $swscaler"
1836
echo "video hooking             $vhook"
1837
if enabled vhook; then
1838
    echo "Imlib2 support            $imlib2"
1839
    echo "FreeType support          $freetype2"
1840
fi
1841
echo "network support           $network"
1842
if enabled network; then
1843
    echo "IPv6 support              $ipv6"
1844
fi
1845
echo "threading support         $thread_type"
1846
echo "SDL support               $sdl"
1847
if enabled sdl_too_old; then
1848
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1849
fi
1850
echo "Sun medialib support      $mlib"
1851
echo "AVISynth enabled          $avisynth"
1852
echo "liba52 support            $liba52"
1853
echo "liba52 dlopened           $liba52bin"
1854
echo "libdts support            $libdts"
1855
echo "libfaac enabled           $libfaac"
1856
echo "libfaad enabled           $libfaad"
1857
echo "faadbin enabled           $libfaadbin"
1858
echo "libgsm enabled            $libgsm"
1859
echo "libmp3lame enabled        $libmp3lame"
1860
echo "libnut enabled            $libnut"
1861
echo "libogg enabled            $libogg"
1862
echo "libtheora enabled         $libtheora"
1863
echo "libvorbis enabled         $libvorbis"
1864
echo "x264 enabled              $x264"
1865
echo "XviD enabled              $xvid"
1866
echo "zlib enabled              $zlib"
1867
echo "AMR-NB float support      $amr_nb"
1868
echo "AMR-NB fixed support      $amr_nb_fixed"
1869
echo "AMR-WB float support      $amr_wb"
1870
echo "AMR-WB IF2 support        $amr_if2"
1871
if disabled gpl; then
1872
    echo "License: LGPL"
1873
else
1874
    echo "License: GPL"
1875
fi
1876

    
1877
echo "Creating config.mak and config.h..."
1878

    
1879
echo "# Automatically generated by configure - do not modify!" > config.mak
1880
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1881
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1882

    
1883
echo "PREFIX=$PREFIX" >> config.mak
1884
echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1885
echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1886
echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1887
echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1888
echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1889
echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1890
echo "MAKE=$make" >> config.mak
1891
echo "CC=$cc" >> config.mak
1892
echo "AR=$ar" >> config.mak
1893
echo "RANLIB=$ranlib" >> config.mak
1894
if enabled dostrip; then
1895
    echo "STRIP=$strip" >> config.mak
1896
else
1897
    echo "STRIP=echo ignoring strip" >> config.mak
1898
fi
1899

    
1900
echo "OPTFLAGS=$CFLAGS" >> config.mak
1901
echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1902
echo "LDFLAGS=$LDFLAGS" >> config.mak
1903
echo "LDCONFIG=$LDCONFIG" >> config.mak
1904
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1905
echo "SHFLAGS=$SHFLAGS" >> config.mak
1906
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1907
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1908
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1909
echo "BUILD_STATIC=$static" >> config.mak
1910
echo "BUILDSUF=$BUILDSUF" >> config.mak
1911
echo "LIBPREF=$LIBPREF" >> config.mak
1912
echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1913
if enabled static; then
1914
  echo "LIB=$LIB" >> config.mak
1915
else # Some Make complain if this variable does not exist.
1916
  echo "LIB=" >> config.mak
1917
fi
1918
echo "SLIBPREF=$SLIBPREF" >> config.mak
1919
echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1920
echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1921

    
1922
ucarch=`toupper $arch`
1923
echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1924
echo "#define ARCH_${ucarch} 1" >> $TMPH
1925

    
1926
# special cases
1927
case "$arch" in
1928
    x86_32|x86_64)
1929
        echo "TARGET_ARCH_X86=yes" >> config.mak
1930
        echo "#define ARCH_X86 1" >> $TMPH
1931
        ;;
1932
    powerpc)
1933
        if test "$POWERPCMODE" = "64bits"; then
1934
            echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1935
        fi
1936
        ;;
1937
    sparc64)
1938
        echo "TARGET_ARCH_SPARC=yes" >> config.mak
1939
        echo "#define ARCH_SPARC 1" >> $TMPH
1940
        ;;
1941
esac
1942

    
1943
if enabled bigendian; then
1944
  echo "WORDS_BIGENDIAN=yes" >> config.mak
1945
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1946
fi
1947
if enabled mmx; then
1948
  echo "#define __CPU__ 586" >> $TMPH
1949
fi
1950

    
1951
if enabled sdl; then
1952
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1953
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1954
fi
1955
if enabled texi2html; then
1956
  echo "BUILD_DOC=yes" >> config.mak
1957
fi
1958

    
1959
sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1960
pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1961
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1962
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1963
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1964

    
1965

    
1966

    
1967
if enabled shared; then
1968
  echo "BUILD_SHARED=yes" >> config.mak
1969
  echo "PIC=-fPIC -DPIC" >> config.mak
1970
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1971
  echo "SPPVERSION=$pp_version" >> config.mak
1972
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1973
  echo "LAVCVERSION=$lavc_version" >> config.mak
1974
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1975
  echo "LAVFVERSION=$lavf_version" >> config.mak
1976
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1977
  echo "LAVUVERSION=$lavu_version" >> config.mak
1978
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1979
  echo "SWSVERSION=$sws_version" >> config.mak
1980
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
1981
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1982
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1983
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1984
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1985
fi
1986
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1987
echo "EXTRALIBS=$extralibs" >> config.mak
1988

    
1989
print_config HAVE_   $TMPH config.mak $HAVE_LIST
1990
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1991
print_config TARGET_ $TMPH config.mak $TARGET_LIST
1992

    
1993
if test "$targetos" = "Darwin"; then
1994
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
1995
fi
1996

    
1997
echo "#define restrict $_restrict" >> $TMPH
1998

    
1999
if test "$optimize" = "small"; then
2000
  echo "#define always_inline"  >> $TMPH
2001
  echo "#define CONFIG_SMALL 1" >> $TMPH
2002
fi
2003

    
2004
echo "SRC_PATH=\"$source_path\"" >> config.mak
2005
echo "SRC_PATH_BARE=$source_path" >> config.mak
2006
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2007

    
2008
if enabled amr_if2; then
2009
  echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2010
fi
2011

    
2012
# Apparently it's not possible to portably echo a backslash.
2013
if enabled asmalign_pot; then
2014
  printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2015
else
2016
  printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2017
fi
2018

    
2019

    
2020
for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2021
    ucname="`toupper $codec`"
2022
    config_name="CONFIG_$ucname"
2023
    enabled_name="ENABLE_$ucname"
2024
    if enabled $codec; then
2025
        echo "#define $config_name 1" >> $TMPH
2026
        echo "#define $enabled_name 1" >> $TMPH
2027
        echo "$config_name=yes" >> config.mak
2028
    else
2029
        echo "#define $enabled_name 0" >> $TMPH
2030
    fi
2031
done
2032

    
2033
# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2034
if ! cmp -s $TMPH config.h; then
2035
        mv -f $TMPH config.h
2036
else
2037
        echo "config.h is unchanged"
2038
fi
2039

    
2040
rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2041

    
2042
# build tree in object directory if source path is different from current one
2043
if enabled source_path_used; then
2044
    DIRS="\
2045
         doc \
2046
         libavformat \
2047
         libavcodec \
2048
         libavcodec/alpha \
2049
         libavcodec/armv4l \
2050
         libavcodec/bfin \
2051
         libavcodec/i386 \
2052
         libavcodec/sparc \
2053
         libavcodec/mlib \
2054
         libavcodec/ppc \
2055
         libavcodec/amr \
2056
         libavcodec/amr_float \
2057
         libavcodec/amrwb_float \
2058
         libpostproc \
2059
         libavutil \
2060
         libswscale \
2061
         tests \
2062
         vhook \
2063
         "
2064
    FILES="\
2065
          Makefile \
2066
          common.mak \
2067
          libavformat/Makefile \
2068
          libavcodec/Makefile \
2069
          libpostproc/Makefile \
2070
          libavutil/Makefile \
2071
          libswscale/Makefile \
2072
          tests/Makefile \
2073
          vhook/Makefile \
2074
          doc/Makefile \
2075
          doc/texi2pod.pl \
2076
          "
2077
    for dir in $DIRS ; do
2078
            mkdir -p $dir
2079
    done
2080
    for f in $FILES ; do
2081
        ln -sf "$source_path/$f" $f
2082
    done
2083
fi
2084

    
2085

    
2086
# build pkg-config files
2087
# FIXME: libdir and includedir are hardcoded and may differ from the real path.
2088

    
2089
pkgconfig_generate(){
2090
name=$1
2091
comment=$2
2092
version=$3
2093
libs=$4
2094
requires=$5
2095
include=$6
2096
cat <<EOF >$name.pc
2097
prefix=$PREFIX
2098
exec_prefix=\${prefix}
2099
libdir=\${exec_prefix}/lib
2100
includedir=\${prefix}/include
2101

    
2102
Name: $name
2103
Description: $comment
2104
Version: $version
2105
Requires: $requires
2106
Conflicts:
2107
Libs: -L\${libdir} $libs
2108
Cflags: -I\${includedir} -I\${includedir}/$include
2109
EOF
2110
}
2111

    
2112
pkgconfig_generate_uninstalled(){
2113
name=$1
2114
shortname=${name#lib}
2115
comment=$2
2116
version=$3
2117
libs=$4
2118
requires=$5
2119
cat <<EOF >$name-uninstalled.pc
2120
prefix=
2121
exec_prefix=
2122
libdir=\${pcfiledir}/$name
2123
includedir=\${pcfiledir}/$name
2124

    
2125
Name: $name
2126
Description: $comment
2127
Version: $version
2128
Requires: $requires
2129
Conflicts:
2130
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2131
Cflags: -I\${includedir}
2132
EOF
2133
}
2134

    
2135
pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2136
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2137

    
2138
pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2139
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2140

    
2141
pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2142
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2143

    
2144
if enabled pp; then
2145
  pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2146
  pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2147
fi
2148

    
2149
if enabled swscaler; then
2150
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2151
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2152
else
2153
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2154
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2155
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
2156
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2157
fi