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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) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
9

    
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
13

    
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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
16

    
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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
56

    
57
show_help(){
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cat <<EOF
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Usage: configure [options]
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Options: [defaults in brackets after descriptions]
61

    
62
Standard options:
63
  --help                   print this message
64
  --logfile=FILE           log tests and output to FILE [config.err]
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  --disable-logging        do not log configure debug information
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  --prefix=PREFIX          install in PREFIX [$prefix]
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  --bindir=DIR             install binaries in DIR [PREFIX/bin]
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  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
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  --libdir=DIR             install libs in DIR [PREFIX/lib]
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  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
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  --incdir=DIR             install includes in DIR [PREFIX/include]
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  --mandir=DIR             install man page in DIR [PREFIX/share/man]
73

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
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  --disable-ffplay         disable ffplay build
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  --disable-ffserver       disable ffserver build
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  --enable-postproc        enable GPLed postprocessing support [no]
87
  --enable-avfilter        video filter support [no]
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  --enable-avfilter-lavf   video filters dependent on avformat [no]
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  --enable-beosthreads     use BeOS threads [no]
90
  --enable-os2threads      use OS/2 threads [no]
91
  --enable-pthreads        use pthreads [no]
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  --enable-w32threads      use Win32 threads [no]
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  --enable-x11grab         enable X11 grabbing [no]
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  --disable-network        disable network support [no]
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  --disable-ipv6           disable IPv6 support [no]
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  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
97
  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
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  --disable-fastdiv        disable table-based division
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  --enable-small           optimize for size instead of speed
101
  --disable-aandct         disable AAN DCT code
102
  --disable-fft            disable FFT code
103
  --disable-golomb         disable Golomb code
104
  --disable-lpc            disable LPC code
105
  --disable-mdct           disable MDCT code
106
  --disable-rdft           disable RDFT code
107
  --disable-vaapi          disable VAAPI code
108
  --disable-vdpau          disable VDPAU code
109
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
110
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
111
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
112
  --enable-beos-netserver  enable BeOS netserver
113
  --disable-encoder=NAME   disable encoder NAME
114
  --enable-encoder=NAME    enable encoder NAME
115
  --disable-encoders       disable all encoders
116
  --disable-decoder=NAME   disable decoder NAME
117
  --enable-decoder=NAME    enable decoder NAME
118
  --disable-decoders       disable all decoders
119
  --disable-hwaccel=NAME   disable hwaccel NAME
120
  --enable-hwaccel=NAME    enable hwaccel NAME
121
  --disable-hwaccels       disable all hwaccels
122
  --disable-muxer=NAME     disable muxer NAME
123
  --enable-muxer=NAME      enable muxer NAME
124
  --disable-muxers         disable all muxers
125
  --disable-demuxer=NAME   disable demuxer NAME
126
  --enable-demuxer=NAME    enable demuxer NAME
127
  --disable-demuxers       disable all demuxers
128
  --enable-parser=NAME     enable parser NAME
129
  --disable-parser=NAME    disable parser NAME
130
  --disable-parsers        disable all parsers
131
  --enable-bsf=NAME        enable bitstream filter NAME
132
  --disable-bsf=NAME       disable bitstream filter NAME
133
  --disable-bsfs           disable all bitstream filters
134
  --enable-protocol=NAME   enable protocol NAME
135
  --disable-protocol=NAME  disable protocol NAME
136
  --disable-protocols      disable all protocols
137
  --disable-indev=NAME     disable input device NAME
138
  --disable-outdev=NAME    disable output device NAME
139
  --disable-indevs         disable input devices
140
  --disable-outdevs        disable output devices
141
  --disable-devices        disable all devices
142
  --enable-filter=NAME     enable filter NAME
143
  --disable-filter=NAME    disable filter NAME
144
  --disable-filters        disable all filters
145
  --list-decoders          show all available decoders
146
  --list-encoders          show all available encoders
147
  --list-hwaccels          show all available hardware accelerators
148
  --list-muxers            show all available muxers
149
  --list-demuxers          show all available demuxers
150
  --list-parsers           show all available parsers
151
  --list-protocols         show all available protocols
152
  --list-bsfs              show all available bitstream filters
153
  --list-indevs            show all available input devices
154
  --list-outdevs           show all available output devices
155
  --list-filters           show all available filters
156

    
157
External library support:
158
  --enable-avisynth        enable reading of AVISynth script files [no]
159
  --enable-bzlib           enable bzlib [autodetect]
160
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
161
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
162
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
164
  --enable-libdirac        enable Dirac support via libdirac [no]
165
  --enable-libfaac         enable FAAC support via libfaac [no]
166
  --enable-libfaad         enable FAAD support via libfaad [no]
167
  --enable-libfaadbin      open libfaad.so.0 at runtime [no]
168
  --enable-libgsm          enable GSM support via libgsm [no]
169
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
170
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
172
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
173
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
174
  --enable-libspeex        enable Speex decoding via libspeex [no]
175
  --enable-libtheora       enable Theora encoding via libtheora [no]
176
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
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                           native implementation exists [no]
178
  --enable-libx264         enable H.264 encoding via x264 [no]
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  --enable-libxvid         enable Xvid encoding via xvidcore,
180
                           native MPEG-4/Xvid encoder exists [no]
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  --enable-mlib            enable Sun medialib [no]
182
  --enable-zlib            enable zlib [autodetect]
183

    
184
Advanced options (experts only):
185
  --source-path=PATH       path to source code [$source_path]
186
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
187
  --enable-cross-compile   assume a cross-compiler is used
188
  --sysroot=PATH           root of cross-build tree
189
  --sysinclude=PATH        location of cross-build system headers
190
  --target-os=OS           compiler targets OS [$target_os]
191
  --target-exec=CMD        command to run executables on target
192
  --target-path=DIR        path to view of build directory on target
193
  --nm=NM                  use nm tool
194
  --as=AS                  use assembler AS [$as_default]
195
  --cc=CC                  use C compiler CC [$cc_default]
196
  --ld=LD                  use linker LD
197
  --host-cc=HOSTCC         use host C compiler HOSTCC
198
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
199
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
200
  --host-libs=HLIBS        use libs HLIBS when linking for host
201
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
202
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
203
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
204
  --extra-version=STRING   version string suffix []
205
  --build-suffix=SUFFIX    library name suffix []
206
  --arch=ARCH              select architecture [$arch]
207
  --cpu=CPU                select the minimum required CPU (affects
208
                           instruction selection, may crash on older CPUs)
209
  --enable-powerpc-perf    enable performance report on PPC
210
                           (requires enabling PMC)
211
  --disable-altivec        disable AltiVec optimizations
212
  --disable-amd3dnow       disable 3DNow! optimizations
213
  --disable-amd3dnowext    disable 3DNow! extended optimizations
214
  --disable-mmx            disable MMX optimizations
215
  --disable-mmx2           disable MMX2 optimizations
216
  --disable-sse            disable SSE optimizations
217
  --disable-ssse3          disable SSSE3 optimizations
218
  --disable-armv5te        disable armv5te optimizations
219
  --disable-armv6          disable armv6 optimizations
220
  --disable-armv6t2        disable armv6t2 optimizations
221
  --disable-armvfp         disable ARM VFP optimizations
222
  --disable-iwmmxt         disable iwmmxt optimizations
223
  --disable-mmi            disable MMI optimizations
224
  --disable-neon           disable neon optimizations
225
  --disable-vis            disable VIS optimizations
226
  --disable-yasm           disable use of yasm assembler
227
  --enable-pic             build position-independent code
228

    
229
Developer options (useful when working on FFmpeg itself):
230
  --disable-debug          disable debugging symbols
231
  --enable-debug=LEVEL     set the debug level [$debuglevel]
232
  --enable-gprof           enable profiling with gprof [$gprof]
233
  --disable-optimizations  disable compiler optimizations
234
  --enable-extra-warnings  enable more compiler warnings
235
  --disable-stripping      disable stripping of executables and shared libraries
236

    
237
NOTE: Object files are built at the place where configure is launched.
238
EOF
239
  exit 0
240
}
241

    
242
log(){
243
    echo "$@" >> $logfile
244
}
245

    
246
log_file(){
247
    log BEGIN $1
248
    pr -n -t $1 >> $logfile
249
    log END $1
250
}
251

    
252
echolog(){
253
    log "$@"
254
    echo "$@"
255
}
256

    
257
die(){
258
    echolog "$@"
259
    cat <<EOF
260

    
261
If you think configure made a mistake, make sure you are using the latest
262
version from SVN.  If the latest version fails, report the problem to the
263
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
264
EOF
265
    if disabled logging; then
266
        cat <<EOF
267
Rerun configure with logging enabled (do not use --disable-logging), and
268
include the log this produces with your report.
269
EOF
270
    else
271
cat <<EOF
272
Include the log file "$logfile" produced by configure as this will help
273
solving the problem.
274
EOF
275
    fi
276
    exit 1
277
}
278

    
279
# Avoid locale weirdness, besides we really just want to translate ASCII.
280
toupper(){
281
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
282
}
283

    
284
tolower(){
285
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
286
}
287

    
288
c_escape(){
289
    echo "$*" | sed 's/["\\]/\\\0/g'
290
}
291

    
292
sh_quote(){
293
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
294
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
295
    echo "$v"
296
}
297

    
298
filter(){
299
    pat=$1
300
    shift
301
    for v; do
302
        eval "case $v in $pat) echo $v ;; esac"
303
    done
304
}
305

    
306
set_all(){
307
    value=$1
308
    shift
309
    for var in $*; do
310
        eval $var=$value
311
    done
312
}
313

    
314
set_weak(){
315
    value=$1
316
    shift
317
    for var; do
318
        eval : \${$var:=$value}
319
    done
320
}
321

    
322
pushvar(){
323
    for var in $*; do
324
        eval level=\${${var}_level:=0}
325
        eval ${var}_${level}="\$$var"
326
        eval ${var}_level=$(($level+1))
327
    done
328
}
329

    
330
popvar(){
331
    for var in $*; do
332
        eval level=\${${var}_level:-0}
333
        test $level = 0 && continue
334
        eval level=$(($level-1))
335
        eval $var="\${${var}_${level}}"
336
        eval ${var}_level=$level
337
        eval unset ${var}_${level}
338
    done
339
}
340

    
341
enable(){
342
    set_all yes $*
343
}
344

    
345
disable(){
346
    set_all no $*
347
}
348

    
349
enable_weak(){
350
    set_weak yes $*
351
}
352

    
353
disable_weak(){
354
    set_weak no $*
355
}
356

    
357
enable_safe(){
358
    enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
359
}
360

    
361
disable_safe(){
362
    disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
363
}
364

    
365
do_enable_deep(){
366
    for var; do
367
        enabled $var && continue
368
        eval sel="\$${var}_select"
369
        eval sgs="\$${var}_suggest"
370
        pushvar var sgs
371
        enable_deep $sel
372
        popvar sgs
373
        enable_deep_weak $sgs
374
        popvar var
375
    done
376
}
377

    
378
enable_deep(){
379
    do_enable_deep $*
380
    enable $*
381
}
382

    
383
enable_deep_weak(){
384
    do_enable_deep $*
385
    enable_weak $*
386
}
387

    
388
enabled(){
389
    test "${1#!}" = "$1" && op== || op=!=
390
    eval test "x\$${1#!}" $op "xyes"
391
}
392

    
393
disabled(){
394
    test "${1#!}" = "$1" && op== || op=!=
395
    eval test "x\$${1#!}" $op "xno"
396
}
397

    
398
enabled_all(){
399
    for opt; do
400
        enabled $opt || return 1
401
    done
402
}
403

    
404
disabled_all(){
405
    for opt; do
406
        disabled $opt || return 1
407
    done
408
}
409

    
410
enabled_any(){
411
    for opt; do
412
        enabled $opt && return 0
413
    done
414
}
415

    
416
disabled_any(){
417
    for opt; do
418
        disabled $opt && return 0
419
    done
420
    return 1
421
}
422

    
423
set_default(){
424
    for opt; do
425
        eval : \${$opt:=\$${opt}_default}
426
    done
427
}
428

    
429
is_in(){
430
    value=$1
431
    shift
432
    for var in $*; do
433
        [ $var = $value ] && return 0
434
    done
435
    return 1
436
}
437

    
438
check_deps(){
439
    for cfg; do
440
        cfg="${cfg#!}"
441
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
442
        disabled ${cfg}_checking && continue
443
        enable ${cfg}_checking
444

    
445
        eval dep_all="\$${cfg}_deps"
446
        eval dep_any="\$${cfg}_deps_any"
447
        eval dep_sel="\$${cfg}_select"
448
        eval dep_sgs="\$${cfg}_suggest"
449

    
450
        pushvar cfg dep_all dep_any dep_sel dep_sgs
451
        check_deps $dep_all $dep_any $dep_sel $dep_sgs
452
        popvar cfg dep_all dep_any dep_sel dep_sgs
453

    
454
        enabled_all  $dep_all || disable $cfg
455
        enabled_any  $dep_any || disable $cfg
456
        disabled_any $dep_sel && disable $cfg
457

    
458
        if enabled $cfg; then
459
            eval dep_extralibs="\$${cfg}_extralibs"
460
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
461
            enable_deep $dep_sel
462
            enable_deep_weak $dep_sgs
463
        fi
464

    
465
        disable ${cfg}_checking
466
    done
467
}
468

    
469
print_config(){
470
    pfx=$1
471
    header=$2
472
    makefile=$3
473
    shift 3
474
    for cfg; do
475
        ucname="$(toupper $cfg)"
476
        if enabled $cfg; then
477
            echo "#define ${pfx}${ucname} 1" >> $header
478
            echo "${pfx}${ucname}=yes" >> $makefile
479
        else
480
            echo "#define ${pfx}${ucname} 0" >> $header
481
        fi
482
    done
483
}
484

    
485
flags_saved(){
486
    (: ${SAVE_CFLAGS?}) 2> /dev/null
487
}
488

    
489
save_flags(){
490
    flags_saved && return
491
    SAVE_CFLAGS="$CFLAGS"
492
    SAVE_LDFLAGS="$LDFLAGS"
493
    SAVE_extralibs="$extralibs"
494
}
495

    
496
restore_flags(){
497
    flags_saved || return
498
    CFLAGS="$SAVE_CFLAGS"
499
    LDFLAGS="$SAVE_LDFLAGS"
500
    extralibs="$SAVE_extralibs"
501
    unset SAVE_CFLAGS
502
    unset SAVE_LDFLAGS
503
    unset SAVE_extralibs
504
}
505

    
506
temp_cflags(){
507
    save_flags
508
    CFLAGS="$CFLAGS $*"
509
}
510

    
511
temp_ldflags(){
512
    save_flags
513
    LDFLAGS="$LDFLAGS $*"
514
}
515

    
516
temp_extralibs(){
517
    save_flags
518
    extralibs="$extralibs $*"
519
}
520

    
521
append(){
522
    var=$1
523
    shift
524
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
525
    eval "$var=\"\$$var $*\""
526
}
527

    
528
add_cppflags(){
529
    append CPPFLAGS $($filter_cppflags "$@")
530
}
531

    
532
add_cflags(){
533
    append CFLAGS $($filter_cflags "$@")
534
}
535

    
536
add_asflags(){
537
    append ASFLAGS $($filter_asflags "$@")
538
}
539

    
540
add_ldflags(){
541
    append LDFLAGS "$@"
542
}
543

    
544
add_extralibs(){
545
    append extralibs "$@"
546
}
547

    
548
check_cmd(){
549
    log "$@"
550
    "$@" >> $logfile 2>&1
551
}
552

    
553
check_cc(){
554
    log check_cc "$@"
555
    cat > $TMPC
556
    log_file $TMPC
557
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
558
}
559

    
560
check_cpp(){
561
    log check_cpp "$@"
562
    cat > $TMPC
563
    log_file $TMPC
564
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
565
}
566

    
567
check_as(){
568
    log check_as "$@"
569
    cat > $TMPC
570
    log_file $TMPC
571
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
572
}
573

    
574
check_asm(){
575
    log check_asm "$@"
576
    name="$1"
577
    asm="$2"
578
    shift 2
579
    disable $name
580
    check_as "$@" <<EOF && enable $name
581
void foo(void){ __asm__ volatile($asm); }
582
EOF
583
}
584

    
585
check_yasm(){
586
    log check_yasm "$@"
587
    echo "$1" > $TMPS
588
    log_file $TMPS
589
    shift 1
590
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
591
}
592

    
593
check_ld(){
594
    log check_ld "$@"
595
    check_cc || return
596
    flags=''
597
    libs=''
598
    for f; do
599
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
600
    done
601
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
602
}
603

    
604
check_cppflags(){
605
    log check_cppflags "$@"
606
    set -- $($filter_cppflags "$@")
607
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
608
int x;
609
EOF
610
}
611

    
612
check_cflags(){
613
    log check_cflags "$@"
614
    set -- $($filter_cflags "$@")
615
    check_cc "$@" <<EOF && append CFLAGS "$@"
616
int x;
617
EOF
618
}
619

    
620
check_ldflags(){
621
    log check_ldflags "$@"
622
    check_ld "$@" <<EOF && add_ldflags "$@"
623
int main(void){ return 0; }
624
EOF
625
}
626

    
627
check_header(){
628
    log check_header "$@"
629
    header=$1
630
    shift
631
    disable_safe $header
632
    check_cpp "$@" <<EOF && enable_safe $header
633
#include <$header>
634
int x;
635
EOF
636
}
637

    
638
check_func(){
639
    log check_func "$@"
640
    func=$1
641
    shift
642
    disable $func
643
    check_ld "$@" <<EOF && enable $func
644
extern int $func();
645
int main(void){ $func(); }
646
EOF
647
}
648

    
649
check_func_headers(){
650
    log check_func_headers "$@"
651
    headers=$1
652
    func=$2
653
    shift 2
654
    disable $func
655
    incs=""
656
    for hdr in $headers; do
657
        incs="$incs
658
#include <$hdr>"
659
    done
660
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
661
$incs
662
int main(int argc, char **argv){
663
    return (long) $func;
664
}
665
EOF
666
}
667

    
668
check_cpp_condition(){
669
    log check_cpp_condition "$@"
670
    header=$1
671
    condition=$2
672
    check_cpp <<EOF
673
#include <$header>
674
#if !($condition)
675
#error "unsatisfied condition: $condition"
676
#endif
677
EOF
678
}
679

    
680
check_lib(){
681
    log check_lib "$@"
682
    header="$1"
683
    func="$2"
684
    shift 2
685
    temp_extralibs "$@"
686
    check_header $header && check_func $func && add_extralibs "$@"
687
    err=$?
688
    restore_flags
689
    return $err
690
}
691

    
692
check_lib2(){
693
    log check_lib2 "$@"
694
    headers="$1"
695
    func="$2"
696
    shift 2
697
    temp_extralibs "$@"
698
    check_func_headers "$headers" $func && add_extralibs "$@"
699
    err=$?
700
    restore_flags
701
    return $err
702
}
703

    
704
check_exec(){
705
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
706
}
707

    
708
check_exec_crash(){
709
    code=$(cat)
710

    
711
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
712
    # are safe but may not be available everywhere.  Thus we use
713
    # raise(SIGTERM) instead.  The check is run in a subshell so we
714
    # can redirect the "Terminated" message from the shell.  SIGBUS
715
    # is not defined by standard C so it is used conditionally.
716

    
717
    (check_exec "$@") >> $logfile 2>&1 <<EOF
718
#include <signal.h>
719
static void sighandler(int sig){
720
    raise(SIGTERM);
721
}
722
int main(void){
723
    signal(SIGILL, sighandler);
724
    signal(SIGFPE, sighandler);
725
    signal(SIGSEGV, sighandler);
726
#ifdef SIGBUS
727
    signal(SIGBUS, sighandler);
728
#endif
729
    { $code }
730
}
731
EOF
732
}
733

    
734
check_type(){
735
    log check_type "$@"
736
    headers=$1
737
    type=$2
738
    shift 2
739
    disable $type
740
    incs=""
741
    for hdr in $headers; do
742
        incs="$incs
743
#include <$hdr>"
744
    done
745
    check_cc "$@" <<EOF && enable $type
746
$incs
747
$type v;
748
EOF
749
}
750

    
751
require(){
752
    name="$1"
753
    header="$2"
754
    func="$3"
755
    shift 3
756
    check_lib $header $func "$@" || die "ERROR: $name not found"
757
}
758

    
759
require2(){
760
    name="$1"
761
    headers="$2"
762
    func="$3"
763
    shift 3
764
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
765
}
766

    
767
check_foo_config(){
768
    cfg=$1
769
    pkg=$2
770
    header=$3
771
    func=$4
772
    shift 4
773
    disable $cfg
774
    check_cmd ${pkg}-config --version
775
    err=$?
776
    if test "$err" = 0; then
777
        temp_cflags $(${pkg}-config --cflags)
778
        temp_extralibs $(${pkg}-config --libs)
779
        check_lib "$@" $header $func && enable $cfg
780
    fi
781
    return $err
782
}
783

    
784
check_host_cc(){
785
    log check_host_cc "$@"
786
    cat > $TMPC
787
    log_file $TMPC
788
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
789
}
790

    
791
check_host_cflags(){
792
    log check_host_cflags "$@"
793
    check_host_cc "$@" <<EOF && append host_cflags "$@"
794
int x;
795
EOF
796
}
797

    
798
apply(){
799
    file=$1
800
    shift
801
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
802
}
803

    
804
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
805
# system-dependent things.
806

    
807
COMPONENT_LIST="
808
    bsfs
809
    decoders
810
    demuxers
811
    encoders
812
    filters
813
    hwaccels
814
    indevs
815
    muxers
816
    outdevs
817
    parsers
818
    protocols
819
"
820

    
821
CONFIG_LIST="
822
    $COMPONENT_LIST
823
    aandct
824
    avfilter
825
    avfilter_lavf
826
    avisynth
827
    beos_netserver
828
    bzlib
829
    doc
830
    fastdiv
831
    ffmpeg
832
    ffplay
833
    ffserver
834
    fft
835
    golomb
836
    gpl
837
    gprof
838
    gray
839
    hardcoded_tables
840
    ipv6
841
    libdc1394
842
    libdirac
843
    libfaac
844
    libfaad
845
    libfaadbin
846
    libgsm
847
    libmp3lame
848
    libnut
849
    libopencore_amrnb
850
    libopencore_amrwb
851
    libopenjpeg
852
    libschroedinger
853
    libspeex
854
    libtheora
855
    libvorbis
856
    libx264
857
    libxvid
858
    lpc
859
    mdct
860
    memalign_hack
861
    mlib
862
    mpegaudio_hp
863
    network
864
    nonfree
865
    pic
866
    postproc
867
    powerpc_perf
868
    rdft
869
    runtime_cpudetect
870
    shared
871
    small
872
    static
873
    swscale_alpha
874
    vaapi
875
    vdpau
876
    version3
877
    x11grab
878
    zlib
879
"
880

    
881
THREADS_LIST='
882
    beosthreads
883
    os2threads
884
    pthreads
885
    w32threads
886
'
887

    
888
ARCH_LIST='
889
    alpha
890
    arm
891
    avr32
892
    avr32_ap
893
    avr32_uc
894
    bfin
895
    ia64
896
    m68k
897
    mips
898
    mips64
899
    parisc
900
    ppc
901
    ppc64
902
    s390
903
    sh4
904
    sparc
905
    sparc64
906
    x86
907
    x86_32
908
    x86_64
909
'
910

    
911
ARCH_EXT_LIST='
912
    altivec
913
    amd3dnow
914
    amd3dnowext
915
    armv5te
916
    armv6
917
    armv6t2
918
    armvfp
919
    iwmmxt
920
    mmi
921
    mmx
922
    mmx2
923
    neon
924
    ppc4xx
925
    sse
926
    ssse3
927
    vis
928
'
929

    
930
HAVE_LIST="
931
    $ARCH_EXT_LIST
932
    $THREADS_LIST
933
    alsa_asoundlib_h
934
    altivec_h
935
    arpa_inet_h
936
    attribute_packed
937
    bigendian
938
    bswap
939
    closesocket
940
    cmov
941
    conio_h
942
    dcbzl
943
    dev_bktr_ioctl_bt848_h
944
    dev_bktr_ioctl_meteor_h
945
    dev_ic_bt8xx_h
946
    dev_video_meteor_ioctl_meteor_h
947
    dev_video_bktr_ioctl_bt848_h
948
    dlfcn_h
949
    dlopen
950
    dos_paths
951
    ebp_available
952
    ebx_available
953
    fast_64bit
954
    fast_cmov
955
    fast_unaligned
956
    fork
957
    gethrtime
958
    GetProcessTimes
959
    getrusage
960
    inet_aton
961
    inline_asm
962
    isatty
963
    ldbrx
964
    libdc1394_1
965
    libdc1394_2
966
    llrint
967
    log2
968
    loongson
969
    lrint
970
    lrintf
971
    lzo1x_999_compress
972
    machine_ioctl_bt848_h
973
    machine_ioctl_meteor_h
974
    malloc_h
975
    memalign
976
    mkstemp
977
    pld
978
    posix_memalign
979
    round
980
    roundf
981
    sdl
982
    sdl_video_size
983
    setmode
984
    socklen_t
985
    soundcard_h
986
    poll_h
987
    sys_mman_h
988
    sys_resource_h
989
    sys_select_h
990
    sys_soundcard_h
991
    sys_videoio_h
992
    ten_operands
993
    termios_h
994
    threads
995
    truncf
996
    vfp_args
997
    VirtualAlloc
998
    winsock2_h
999
    xform_asm
1000
    yasm
1001
"
1002

    
1003
# options emitted with CONFIG_ prefix but not available on command line
1004
CONFIG_EXTRA="
1005
    gplv3
1006
    lgplv3
1007
"
1008

    
1009
CMDLINE_SELECT="
1010
    $ARCH_EXT_LIST
1011
    $CONFIG_LIST
1012
    $THREADS_LIST
1013
    cross_compile
1014
    debug
1015
    extra_warnings
1016
    logging
1017
    optimizations
1018
    stripping
1019
    yasm
1020
"
1021

    
1022
PATHS_LIST='
1023
    bindir
1024
    datadir
1025
    incdir
1026
    libdir
1027
    mandir
1028
    prefix
1029
    shlibdir
1030
'
1031

    
1032
CMDLINE_SET="
1033
    $PATHS_LIST
1034
    arch
1035
    as
1036
    build_suffix
1037
    cc
1038
    cpu
1039
    cross_prefix
1040
    dep_cc
1041
    extra_version
1042
    host_cc
1043
    host_cflags
1044
    host_ldflags
1045
    host_libs
1046
    host_os
1047
    ld
1048
    logfile
1049
    nm
1050
    source_path
1051
    sysinclude
1052
    sysroot
1053
    target_exec
1054
    target_os
1055
    target_path
1056
"
1057

    
1058
CMDLINE_APPEND="
1059
    extra_cflags
1060
"
1061

    
1062
# code dependency declarations
1063

    
1064
# architecture extensions
1065
altivec_deps="ppc"
1066
amd3dnow_deps="mmx"
1067
amd3dnowext_deps="amd3dnow"
1068
armv5te_deps="arm"
1069
armv6_deps="arm"
1070
armv6t2_deps="arm"
1071
armvfp_deps="arm"
1072
iwmmxt_deps="arm"
1073
mmi_deps="mips"
1074
mmx_deps="x86"
1075
mmx2_deps="mmx"
1076
neon_deps="arm"
1077
ppc4xx_deps="ppc"
1078
sse_deps="mmx"
1079
ssse3_deps="sse"
1080
vis_deps="sparc"
1081

    
1082
need_memalign="altivec neon sse"
1083
inline_asm_deps="!tms470"
1084

    
1085
# decoders / encoders / hardware accelerators
1086
aac_decoder_select="fft mdct"
1087
aac_encoder_select="fft mdct"
1088
ac3_decoder_select="fft mdct"
1089
alac_encoder_select="lpc"
1090
atrac3_decoder_select="fft mdct"
1091
cavs_decoder_select="golomb"
1092
cook_decoder_select="fft mdct"
1093
cscd_decoder_suggest="zlib"
1094
dca_decoder_select="fft mdct"
1095
dnxhd_encoder_select="aandct"
1096
dxa_decoder_select="zlib"
1097
eac3_decoder_select="ac3_decoder"
1098
eamad_decoder_select="aandct"
1099
eatgq_decoder_select="aandct"
1100
eatqi_decoder_select="aandct"
1101
ffv1_decoder_select="golomb"
1102
flac_decoder_select="golomb"
1103
flac_encoder_select="golomb lpc"
1104
flashsv_decoder_select="zlib"
1105
flashsv_encoder_select="zlib"
1106
flv_decoder_select="h263_decoder"
1107
flv_encoder_select="h263_encoder"
1108
h261_encoder_select="aandct"
1109
h263_decoder_select="h263_parser"
1110
h263_encoder_select="aandct"
1111
h263_vaapi_hwaccel_deps="va_va_h"
1112
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1113
h263i_decoder_select="h263_decoder"
1114
h263p_encoder_select="h263_encoder"
1115
h264_decoder_select="golomb"
1116
h264_vaapi_hwaccel_deps="va_va_h"
1117
h264_vaapi_hwaccel_select="vaapi"
1118
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1119
h264_vdpau_decoder_select="vdpau h264_decoder"
1120
imc_decoder_select="fft mdct"
1121
jpegls_decoder_select="golomb"
1122
jpegls_encoder_select="golomb"
1123
ljpeg_encoder_select="aandct"
1124
loco_decoder_select="golomb"
1125
mjpeg_encoder_select="aandct"
1126
mpeg1video_encoder_select="aandct"
1127
mpeg2video_encoder_select="aandct"
1128
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1129
mpeg4_encoder_select="h263_encoder"
1130
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1131
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1132
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1133
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1134
mpeg2_vaapi_hwaccel_deps="va_va_h"
1135
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1136
mpeg4_vaapi_hwaccel_deps="va_va_h"
1137
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1138
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1139
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1140
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1141
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1142
msmpeg4v1_decoder_select="h263_decoder"
1143
msmpeg4v1_encoder_select="h263_encoder"
1144
msmpeg4v2_decoder_select="h263_decoder"
1145
msmpeg4v2_encoder_select="h263_encoder"
1146
msmpeg4v3_decoder_select="h263_decoder"
1147
msmpeg4v3_encoder_select="h263_encoder"
1148
nellymoser_decoder_select="fft mdct"
1149
nellymoser_encoder_select="fft mdct"
1150
png_decoder_select="zlib"
1151
png_encoder_select="zlib"
1152
qdm2_decoder_select="fft mdct rdft"
1153
rv10_decoder_select="h263_decoder"
1154
rv10_encoder_select="h263_encoder"
1155
rv20_decoder_select="h263_decoder"
1156
rv20_encoder_select="h263_encoder"
1157
rv30_decoder_select="golomb"
1158
rv40_decoder_select="golomb"
1159
shorten_decoder_select="golomb"
1160
sonic_decoder_select="golomb"
1161
sonic_encoder_select="golomb"
1162
sonic_ls_encoder_select="golomb"
1163
svq3_decoder_select="golomb"
1164
svq3_decoder_suggest="zlib"
1165
theora_decoder_select="vp3_decoder"
1166
tiff_decoder_suggest="zlib"
1167
tiff_encoder_suggest="zlib"
1168
tscc_decoder_select="zlib"
1169
vc1_decoder_select="h263_decoder"
1170
vc1_vaapi_hwaccel_deps="va_va_h"
1171
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1172
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1173
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1174
vorbis_decoder_select="fft mdct"
1175
vorbis_encoder_select="fft mdct"
1176
vp6a_decoder_select="vp6_decoder"
1177
vp6f_decoder_select="vp6_decoder"
1178
wmav1_decoder_select="fft mdct"
1179
wmav1_encoder_select="fft mdct"
1180
wmav2_decoder_select="fft mdct"
1181
wmav2_encoder_select="fft mdct"
1182
wmv1_decoder_select="h263_decoder"
1183
wmv1_encoder_select="h263_encoder"
1184
wmv2_decoder_select="h263_decoder"
1185
wmv2_encoder_select="h263_encoder"
1186
wmv3_decoder_select="vc1_decoder"
1187
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1188
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1189
zlib_decoder_select="zlib"
1190
zlib_encoder_select="zlib"
1191
zmbv_decoder_select="zlib"
1192
zmbv_encoder_select="zlib"
1193

    
1194
# parsers
1195
h264_parser_select="golomb"
1196

    
1197
# external libraries
1198
libdirac_decoder_deps="libdirac !libschroedinger"
1199
libdirac_encoder_deps="libdirac"
1200
libfaac_encoder_deps="libfaac"
1201
libfaad_decoder_deps="libfaad"
1202
libfaadbin_decoder_extralibs='$ldl'
1203
libgsm_decoder_deps="libgsm"
1204
libgsm_encoder_deps="libgsm"
1205
libgsm_ms_decoder_deps="libgsm"
1206
libgsm_ms_encoder_deps="libgsm"
1207
libmp3lame_encoder_deps="libmp3lame"
1208
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1209
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1210
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1211
libopenjpeg_decoder_deps="libopenjpeg"
1212
libschroedinger_decoder_deps="libschroedinger"
1213
libschroedinger_encoder_deps="libschroedinger"
1214
libspeex_decoder_deps="libspeex"
1215
libtheora_encoder_deps="libtheora"
1216
libvorbis_encoder_deps="libvorbis"
1217
libx264_encoder_deps="libx264"
1218
libxvid_encoder_deps="libxvid"
1219

    
1220
# demuxers / muxers
1221
ac3_demuxer_deps="ac3_parser"
1222
asf_stream_muxer_select="asf_muxer"
1223
avisynth_demuxer_deps="avisynth"
1224
dirac_demuxer_deps="dirac_parser"
1225
ipod_muxer_select="mov_muxer"
1226
libnut_demuxer_deps="libnut"
1227
libnut_muxer_deps="libnut"
1228
matroska_audio_muxer_select="matroska_muxer"
1229
matroska_demuxer_suggest="zlib bzlib"
1230
mov_demuxer_suggest="zlib"
1231
mp3_demuxer_deps="mpegaudio_parser"
1232
mp4_muxer_select="mov_muxer"
1233
mpegtsraw_demuxer_select="mpegts_demuxer"
1234
mxf_d10_muxer_select="mxf_muxer"
1235
psp_muxer_select="mov_muxer"
1236
rtp_muxer_deps="network rtp_protocol"
1237
rtsp_demuxer_deps="sdp_demuxer"
1238
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1239
tg2_muxer_select="mov_muxer"
1240
tgp_muxer_select="mov_muxer"
1241
w64_demuxer_deps="wav_demuxer"
1242

    
1243
# indevs / outdevs
1244
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1245
alsa_indev_extralibs="-lasound"
1246
alsa_outdev_deps="alsa_asoundlib_h"
1247
alsa_outdev_extralibs="-lasound"
1248
audio_beos_indev_deps="audio_beos"
1249
audio_beos_indev_extralibs="-lmedia -lbe"
1250
audio_beos_outdev_deps="audio_beos"
1251
audio_beos_outdev_extralibs="-lmedia -lbe"
1252
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1253
dv1394_indev_deps="dv1394 dv_demuxer"
1254
jack_indev_deps="jack_jack_h"
1255
jack_indev_extralibs="-ljack"
1256
libdc1394_indev_deps="libdc1394"
1257
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1258
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1259
v4l_indev_deps="linux_videodev_h"
1260
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1261
vfwcap_indev_deps="capCreateCaptureWindow"
1262
vfwcap_indev_extralibs="-lvfw32"
1263
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1264
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1265

    
1266
# protocols
1267
gopher_protocol_deps="network"
1268
http_protocol_deps="network"
1269
rtmp_protocol_deps="tcp_protocol"
1270
rtp_protocol_deps="udp_protocol"
1271
tcp_protocol_deps="network"
1272
udp_protocol_deps="network"
1273

    
1274
# filters
1275
movie_filter_deps="avfilter_lavf"
1276

    
1277
# programs
1278
ffplay_deps="sdl"
1279
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1280
ffserver_extralibs='$ldl'
1281

    
1282
doc_deps="texi2html"
1283

    
1284
# default parameters
1285

    
1286
logfile="config.err"
1287

    
1288
# installation paths
1289
prefix_default="/usr/local"
1290
bindir_default='${prefix}/bin'
1291
datadir_default='${prefix}/share/ffmpeg'
1292
incdir_default='${prefix}/include'
1293
libdir_default='${prefix}/lib'
1294
mandir_default='${prefix}/share/man'
1295
shlibdir_default="$libdir_default"
1296

    
1297
# toolchain
1298
ar="ar"
1299
cc_default="gcc"
1300
cc_version=\"unknown\"
1301
host_cc_default="gcc"
1302
ln_s="ln -sf"
1303
nm_default="nm"
1304
objformat="elf"
1305
ranlib="ranlib"
1306
strip="strip"
1307
yasmexe="yasm"
1308

    
1309
# machine
1310
arch=$(uname -m)
1311
cpu="generic"
1312

    
1313
# OS
1314
target_os=$(tolower $(uname -s))
1315
host_os=$target_os
1316

    
1317
# configurable options
1318
enable debug
1319
enable doc
1320
enable fastdiv
1321
enable ffmpeg
1322
enable ffplay
1323
enable ffserver
1324
enable ipv6
1325
enable mpegaudio_hp
1326
enable network
1327
enable optimizations
1328
enable protocols
1329
enable static
1330
enable stripping
1331
enable swscale_alpha
1332

    
1333
# build settings
1334
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1335
FFSERVERLDFLAGS=-Wl,-E
1336
LIBPREF="lib"
1337
LIBSUF=".a"
1338
FULLNAME='$(NAME)$(BUILDSUF)'
1339
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1340
SLIBPREF="lib"
1341
SLIBSUF=".so"
1342
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1343
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1344
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1345
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1346

    
1347
CC_O='-o $@'
1348

    
1349
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1350
host_libs='-lm'
1351

    
1352
target_path='.'
1353

    
1354
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1355
# full relative path for objects in subdirectories for non-recursive Make.
1356
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1357
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1358

    
1359
# find source path
1360
source_path="$(dirname "$0")"
1361
enable source_path_used
1362
if test -f configure; then
1363
    source_path="$(pwd)"
1364
    disable source_path_used
1365
else
1366
    source_path="$(cd "$source_path"; pwd)"
1367
    echo "$source_path" | grep -q '[[:blank:]]' &&
1368
        die "Out of tree builds are impossible with whitespace in source path."
1369
    test -e "$source_path/config.h" &&
1370
        die "Out of tree builds are impossible with config.h in source dir."
1371
fi
1372

    
1373
for v in "$@"; do
1374
    r=${v#*=}
1375
    l=${v%"$r"}
1376
    r=$(sh_quote "$r")
1377
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1378
done
1379

    
1380
find_things(){
1381
    thing=$1
1382
    pattern=$2
1383
    file=$source_path/$3
1384
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1385
}
1386

    
1387
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1388
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1389
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1390
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1391
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1392
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1393
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1394
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1395
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1396
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1397
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1398

    
1399
enable $ARCH_EXT_LIST \
1400
       $DECODER_LIST \
1401
       $ENCODER_LIST \
1402
       $HWACCEL_LIST \
1403
       $PARSER_LIST \
1404
       $BSF_LIST \
1405
       $DEMUXER_LIST \
1406
       $MUXER_LIST \
1407
       $FILTER_LIST \
1408
       $PROTOCOL_LIST \
1409
       $INDEV_LIST \
1410
       $OUTDEV_LIST \
1411

    
1412
die_unknown(){
1413
    echo "Unknown option \"$1\"."
1414
    echo "See $0 --help for available options."
1415
    exit 1
1416
}
1417

    
1418
show_list() {
1419
    suffix=_$1
1420
    shift
1421
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1422
    exit 0
1423
}
1424

    
1425
for opt do
1426
    optval="${opt#*=}"
1427
    case "$opt" in
1428
    --extra-ldflags=*) add_ldflags $optval
1429
    ;;
1430
    --extra-libs=*) add_extralibs $optval
1431
    ;;
1432
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1433
    ;;
1434
    --enable-debug=*) debuglevel="$optval"
1435
    ;;
1436
    --enable-*=*|--disable-*=*)
1437
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1438
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1439
    eval list=\$$(toupper $thing)_LIST
1440
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1441
    $action $(filter "$name" $list)
1442
    ;;
1443
    --enable-?*|--disable-?*)
1444
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1445
    if is_in $option $COMPONENT_LIST; then
1446
        test $action = disable && action=unset
1447
        eval $action \$$(toupper ${option%s})_LIST
1448
    elif is_in $option $CMDLINE_SELECT; then
1449
        $action $option
1450
    else
1451
        die_unknown $opt
1452
    fi
1453
    ;;
1454
    --list-*)
1455
        NAME="${opt#--list-}"
1456
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1457
        NAME=${NAME%s}
1458
        eval show_list $NAME \$$(toupper $NAME)_LIST
1459
    ;;
1460
    --help|-h) show_help
1461
    ;;
1462
    *)
1463
    optname="${opt%%=*}"
1464
    optname="${optname#--}"
1465
    optname=$(echo "$optname" | sed 's/-/_/g')
1466
    if is_in $optname $CMDLINE_SET; then
1467
        eval $optname='$optval'
1468
    elif is_in $optname $CMDLINE_APPEND; then
1469
        append $optname "$optval"
1470
    else
1471
         die_unknown $opt
1472
    fi
1473
    ;;
1474
    esac
1475
done
1476

    
1477
disabled logging && logfile=/dev/null
1478

    
1479
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1480
set >> $logfile
1481

    
1482
test -n "$cross_prefix" && enable cross_compile
1483

    
1484
ar="${cross_prefix}${ar}"
1485
cc_default="${cross_prefix}${cc_default}"
1486
nm_default="${cross_prefix}${nm_default}"
1487
ranlib="${cross_prefix}${ranlib}"
1488
strip="${cross_prefix}${strip}"
1489

    
1490
sysinclude_default="${sysroot}/usr/include"
1491

    
1492
set_default cc nm sysinclude
1493
enabled cross_compile || host_cc_default=$cc
1494
set_default host_cc
1495

    
1496
exesuf() {
1497
    case $1 in
1498
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1499
    esac
1500
}
1501

    
1502
EXESUF=$(exesuf $target_os)
1503
HOSTEXESUF=$(exesuf $host_os)
1504

    
1505
# set temporary file name
1506
: ${TMPDIR:=$TEMPDIR}
1507
: ${TMPDIR:=$TMP}
1508
: ${TMPDIR:=/tmp}
1509

    
1510
if ! check_cmd type mktemp; then
1511
    # simple replacement for missing mktemp
1512
    # NOT SAFE FOR GENERAL USE
1513
    mktemp(){
1514
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1515
    }
1516
fi
1517

    
1518
tmpfile(){
1519
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1520
        (set -C; exec > $tmp) 2>/dev/null ||
1521
        die "Unable to create temporary file in $TMPDIR."
1522
    append TMPFILES $tmp
1523
    eval $1=$tmp
1524
}
1525

    
1526
trap 'rm -f -- $TMPFILES' EXIT
1527
trap exit HUP INT TERM
1528

    
1529
tmpfile TMPC  .c
1530
tmpfile TMPE  $EXESUF
1531
tmpfile TMPH  .h
1532
tmpfile TMPO  .o
1533
tmpfile TMPS  .S
1534
tmpfile TMPSH .sh
1535

    
1536
unset -f mktemp
1537

    
1538
# make sure we can execute files in $TMPDIR
1539
cat > $TMPSH 2>> $logfile <<EOF
1540
#! /bin/sh
1541
EOF
1542
chmod +x $TMPSH >> $logfile 2>&1
1543
if ! $TMPSH >> $logfile 2>&1; then
1544
    cat <<EOF
1545
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1546
variable to another directory and make sure that it is not mounted noexec.
1547
EOF
1548
    die "Sanity test failed."
1549
fi
1550

    
1551
filter_cflags=echo
1552
filter_cppflags=echo
1553
filter_asflags=echo
1554

    
1555
if   $cc -v 2>&1 | grep -qi ^gcc; then
1556
    cc_type=gcc
1557
    cc_version=__VERSION__
1558
    if ! $cc -dumpversion | grep -q '^2\.'; then
1559
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1560
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1561
    fi
1562
elif $cc --version 2>/dev/null | grep -q Intel; then
1563
    cc_type=icc
1564
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1565
    CC_DEPFLAGS='-MMD'
1566
    AS_DEPFLAGS='-MMD'
1567
elif $cc -v 2>&1 | grep -q xlc; then
1568
    cc_type=xlc
1569
    cc_version="AV_STRINGIFY(__IBMC__)"
1570
elif $cc -V 2>/dev/null | grep -q Compaq; then
1571
    cc_type=ccc
1572
    cc_version="AV_STRINGIFY(__DECC_VER)"
1573
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1574
    debuglevel=3
1575
    add_ldflags -Wl,-z,now # calls to libots crash without this
1576
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1577
    test -d "$sysroot" || die "No valid sysroot specified."
1578
    cc_type=armcc
1579
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1580
    armcc_conf="$PWD/armcc.conf"
1581
    $cc --arm_linux_configure                 \
1582
        --arm_linux_config_file="$armcc_conf" \
1583
        --configure_sysroot="$sysroot"        \
1584
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1585
        die "Error creating armcc configuration file."
1586
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1587
    as_default="${cross_prefix}gcc"
1588
    CC_DEPFLAGS='-MMD'
1589
    AS_DEPFLAGS='-MMD'
1590
elif $cc -version 2>/dev/null | grep -q TMS470; then
1591
    cc_type=tms470
1592
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1593
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1594
    CC_O='-fr=$(@D)'
1595
    as_default="${cross_prefix}gcc"
1596
    ld_default="${cross_prefix}gcc"
1597
    TMPO=$(basename $TMPC .c).o
1598
    append TMPFILES $TMPO
1599
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1600
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1601
    AS_DEPFLAGS='-MMD'
1602
    filter_cflags=tms470_flags
1603
    tms470_flags(){
1604
        for flag; do
1605
            case $flag in
1606
                -march=*|-mcpu=*)
1607
                    case "${flag#*=}" in
1608
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1609
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1610
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1611
                        armv6*|arm11*)          echo -mv=6   ;;
1612
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1613
                                                echo -mv=5e  ;;
1614
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1615
                    esac
1616
                    ;;
1617
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1618
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1619
                -msoft-float)   echo --float_support=vfplib       ;;
1620
                -Os)            echo -O3 -mf=2                    ;;
1621
                -O[0-3])        echo $flag -mf=5                  ;;
1622
                -g)             echo -g -mn                       ;;
1623
            esac
1624
        done
1625
    }
1626
elif $cc -v 2>&1 | grep -q clang; then
1627
    cc_type=clang
1628
    cc_version=__VERSION__
1629
    CC_DEPFLAGS='-MMD'
1630
    AS_DEPFLAGS='-MMD'
1631
elif $cc -V 2>&1 | grep -q Sun; then
1632
    cc_type=suncc
1633
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1634
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1635
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1636
    filter_cflags=suncc_flags
1637
    suncc_flags(){
1638
        for flag; do
1639
            case $flag in
1640
                -march=*|-mcpu=*)
1641
                    case "${flag#*=}" in
1642
                        native)                   echo -xtarget=native       ;;
1643
                        v9)                       echo -xarch=sparc          ;;
1644
                        ultrasparc)               echo -xarch=sparcvis       ;;
1645
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1646
                        i586|pentium)             echo -xchip=pentium        ;;
1647
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1648
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1649
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1650
                        pentium4*)          echo -xtarget=pentium4           ;;
1651
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1652
                        *-sse3)             echo -xarch=sse3                 ;;
1653
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1654
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1655
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1656
                        k8|opteron|athlon64|athlon-fx)
1657
                                                  echo -xarch=sse2a          ;;
1658
                        athlon*)                  echo -xarch=pentium_proa   ;;
1659
                    esac
1660
                    ;;
1661
                -std=c99)             echo -xc99              ;;
1662
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1663
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1664
                -Os)                  echo -O5 -xspace        ;;
1665
                -W*,*)                echo $flag              ;;
1666
                -f*-*|-W*)                                    ;;
1667
                *)                    echo $flag              ;;
1668
            esac
1669
        done
1670
    }
1671
fi
1672

    
1673
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1674

    
1675
: ${as_default:=$cc}
1676
: ${dep_cc_default:=$cc}
1677
: ${ld_default:=$cc}
1678
set_default as dep_cc ld
1679

    
1680
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1681
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1682

    
1683
add_cflags $extra_cflags
1684
add_asflags $extra_cflags
1685

    
1686
if test -n "$sysroot"; then
1687
    case "$cc_type" in
1688
        gcc)
1689
            add_cppflags --sysroot="$sysroot"
1690
            add_ldflags --sysroot="$sysroot"
1691
        ;;
1692
        tms470)
1693
            add_cppflags -I"$sysinclude"
1694
            add_ldflags  --sysroot="$sysroot"
1695
        ;;
1696
        clang)
1697
            add_cppflags -isysroot="$sysroot"
1698
            add_ldflags -isysroot="$sysroot"
1699
        ;;
1700
    esac
1701
fi
1702

    
1703
if test "$cpu" = host; then
1704
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1705

    
1706
    case "$cc_type" in
1707
        gcc)
1708
            check_native(){
1709
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1710
                awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1711
            }
1712
            cpu=$(check_native -march || check_native -mcpu)
1713
        ;;
1714
    esac
1715

    
1716
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1717
fi
1718

    
1719
# Add processor-specific flags
1720
case $cpu in
1721
    601|ppc601|PowerPC601)
1722
        cpuflags="-mcpu=601"
1723
    ;;
1724
    603*|ppc603*|PowerPC603*)
1725
        cpuflags="-mcpu=603"
1726
    ;;
1727
    604*|ppc604*|PowerPC604*)
1728
        cpuflags="-mcpu=604"
1729
    ;;
1730
    G3|g3|75*|ppc75*|PowerPC75*)
1731
        cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1732
    ;;
1733
    G4|g4|745*|ppc745*|PowerPC745*)
1734
        cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1735
    ;;
1736
    74*|ppc74*|PowerPC74*)
1737
        cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1738
    ;;
1739
    G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1740
        cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1741
    ;;
1742
    Cell|CELL|cell)
1743
        cpuflags="-mcpu=cell"
1744
        enable ldbrx
1745
    ;;
1746
    # targets that do NOT support conditional mov (cmov)
1747
    i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1748
        cpuflags="-march=$cpu"
1749
        disable cmov
1750
    ;;
1751
    # targets that do support conditional mov (cmov)
1752
    i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1753
        cpuflags="-march=$cpu"
1754
        enable cmov
1755
        enable fast_cmov
1756
    ;;
1757
    # targets that do support conditional mov but on which it's slow
1758
    pentium4|pentium4m|prescott|nocona)
1759
        cpuflags="-march=$cpu"
1760
        enable cmov
1761
        disable fast_cmov
1762
    ;;
1763
    sparc64)
1764
        cpuflags="-mcpu=v9"
1765
    ;;
1766
    arm11*|cortex*)
1767
        cpuflags="-mcpu=$cpu"
1768
        enable fast_unaligned
1769
    ;;
1770
    armv[67]*)
1771
        cpuflags="-march=$cpu"
1772
        enable fast_unaligned
1773
    ;;
1774
    armv*)
1775
        cpuflags="-march=$cpu"
1776
    ;;
1777
    arm*)
1778
        cpuflags="-mcpu=$cpu"
1779
    ;;
1780
    ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1781
        enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1782
    ;;
1783
    bf*)
1784
        cpuflags="-mcpu=$cpu"
1785
    ;;
1786
    mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1787
        cpuflags="-march=$cpu"
1788
    ;;
1789
    ap7[02]0[0-2])
1790
        subarch="avr32_ap"
1791
        cpuflags="-mpart=$cpu"
1792
    ;;
1793
    ap)
1794
        subarch="avr32_ap"
1795
        cpuflags="-march=$cpu"
1796
    ;;
1797
    uc3[ab]*)
1798
        subarch="avr32_uc"
1799
        cpuflags="-mcpu=$cpu"
1800
    ;;
1801
    uc)
1802
        subarch="avr32_uc"
1803
        cpuflags="-march=$cpu"
1804
    ;;
1805
    generic)
1806
    ;;
1807
    *)
1808
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1809
    ;;
1810
esac
1811

    
1812
add_cflags $cpuflags
1813
add_asflags $cpuflags
1814

    
1815
# compiler sanity check
1816
check_exec <<EOF
1817
int main(void){ return 0; }
1818
EOF
1819
if test "$?" != 0; then
1820
    echo "$cc is unable to create an executable file."
1821
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1822
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1823
        echo "Only do this if you know what cross compiling means."
1824
    fi
1825
    die "C compiler test failed."
1826
fi
1827

    
1828
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1829
check_cflags -std=c99
1830
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1831
#include <stdlib.h>
1832
EOF
1833
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1834
#include <stdlib.h>
1835
EOF
1836

    
1837
check_host_cflags -std=c99
1838

    
1839
case "$arch" in
1840
    alpha)
1841
        arch="alpha"
1842
        enable fast_64bit
1843
        check_cflags -mieee
1844
        spic=$shared
1845
    ;;
1846
    arm|armv[4567]*l)
1847
        arch="arm"
1848
    ;;
1849
    avr32)
1850
    ;;
1851
    bfin)
1852
        arch="bfin"
1853
    ;;
1854
    ia64)
1855
        arch="ia64"
1856
        enable fast_64bit
1857
        spic=$shared
1858
        # HACK: currently fails to build if .bss is > 4MB and shared libs are built
1859
        enabled shared && enable_weak hardcoded_tables
1860
    ;;
1861
    m68k)
1862
        arch="m68k"
1863
    ;;
1864
    mips|mipsel|IP*)
1865
        arch="mips"
1866
        spic=$shared
1867
    ;;
1868
    mips64)
1869
        arch="mips"
1870
        subarch="mips64"
1871
        enable fast_64bit
1872
        spic=$shared
1873
    ;;
1874
    parisc|hppa)
1875
        arch="parisc"
1876
        spic=$shared
1877
    ;;
1878
    parisc64|hppa64)
1879
        arch="parisc"
1880
        enable fast_64bit
1881
        spic=$shared
1882
    ;;
1883
    "Power Macintosh"|ppc|powerpc)
1884
        arch="ppc"
1885
        enable fast_unaligned
1886
    ;;
1887
    ppc64)
1888
        arch="ppc"
1889
        subarch="ppc64"
1890
        enable fast_64bit
1891
        enable fast_unaligned
1892
    ;;
1893
    s390|s390x)
1894
        arch="s390"
1895
    ;;
1896
    sh4|sh)
1897
        arch="sh4"
1898
    ;;
1899
    sparc)
1900
        arch="sparc"
1901
        spic=$shared
1902
    ;;
1903
    sun4u|sparc64)
1904
        arch="sparc"
1905
        subarch="sparc64"
1906
        enable fast_64bit
1907
        spic=$shared
1908
    ;;
1909
    i386|i486|i586|i686|i86pc|BePC|x86_64|amd64)
1910
        arch="x86"
1911
        subarch="x86_32"
1912
        enable fast_unaligned
1913
        check_cc <<EOF && enable fast_64bit && subarch="x86_64" && spic=$shared
1914
        int test[(int)sizeof(char*) - 7];
1915
EOF
1916
        if test "$subarch" = "x86_64"; then
1917
            enable cmov
1918
            enable fast_cmov
1919
        fi
1920
    ;;
1921
    *)
1922
        arch="unknown"
1923
    ;;
1924
esac
1925

    
1926
enable $arch $subarch
1927
enabled spic && enable pic
1928
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
1929

    
1930
# OS specific
1931
case $target_os in
1932
    beos|haiku|zeta)
1933
        prefix_default="$HOME/config"
1934
        # 3 gcc releases known for BeOS, each with ugly bugs
1935
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1936
        case "$gcc_version" in
1937
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1938
            disable mmx
1939
            ;;
1940
          *20010315*) echo "BeBits gcc"
1941
            add_cflags -fno-expensive-optimizations
1942
            ;;
1943
        esac
1944
        SHFLAGS=-nostart
1945
        # enable BeOS things
1946
        enable audio_beos
1947
        # no need for libm, but the inet stuff
1948
        # Check for BONE
1949
        # XXX: actually should check for NOT net_server
1950
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1951
            network_extralibs="-lbind -lsocket"
1952
        else
1953
            enable beos_netserver
1954
            network_extralibs="-lnet"
1955
        fi ;;
1956
    sunos)
1957
        FFSERVERLDFLAGS=""
1958
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1959
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
1960
        network_extralibs="-lsocket -lnsl"
1961
        add_cppflags -D__EXTENSIONS__
1962
        ;;
1963
    netbsd)
1964
        oss_indev_extralibs="-lossaudio"
1965
        oss_outdev_extralibs="-lossaudio"
1966
        ;;
1967
    openbsd)
1968
        enable malloc_aligned
1969
        # On OpenBSD 4.5. the compiler does not use PIC unless
1970
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
1971
        # however the generated executable will not do anything
1972
        # (simply quits with exit-code 1, no crash, no output).
1973
        # Thus explicitly enable PIC here.
1974
        enable pic
1975
        SHFLAGS='-shared'
1976
        oss_indev_extralibs="-lossaudio"
1977
        oss_outdev_extralibs="-lossaudio"
1978
        ;;
1979
    freebsd|dragonfly)
1980
        enable malloc_aligned
1981
        ;;
1982
    bsd/os)
1983
        osextralibs="-lpoll -lgnugetopt"
1984
        strip="strip -d"
1985
        ;;
1986
    darwin)
1987
        enable malloc_aligned
1988
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1989
        strip="strip -x"
1990
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1991
        SLIBSUF=".dylib"
1992
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1993
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1994
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1995
        objformat="macho"
1996
        enabled x86_64 && objformat="macho64"
1997
        enabled_any pic shared ||
1998
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
1999
        ;;
2000
    mingw32*)
2001
        if test $target_os = "mingw32ce"; then
2002
            disable network
2003
        else
2004
            target_os=mingw32
2005
        fi
2006
        LIBTARGET=i386
2007
        if enabled x86_64; then
2008
            enable malloc_aligned
2009
            LIBTARGET=x64
2010
        elif enabled arm; then
2011
            LIBTARGET=arm
2012
        fi
2013
        shlibdir_default="$bindir_default"
2014
        disable ffserver
2015
        SLIBPREF=""
2016
        SLIBSUF=".dll"
2017
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2018
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2019
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2020
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2021
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2022
            install -d "$(LIBDIR)"; \
2023
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2024
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2025
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2026
        objformat="win32"
2027
        enable dos_paths
2028
        check_cflags -fno-common
2029
        if ! enabled x86_64; then
2030
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2031
                die "ERROR: MinGW runtime version must be >= 3.15."
2032
            enabled_any avisynth vfwcap_indev &&
2033
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2034
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2035
            fi
2036
        ;;
2037
    cygwin*)
2038
        target_os=cygwin
2039
        shlibdir_default="$bindir_default"
2040
        SLIBPREF="cyg"
2041
        SLIBSUF=".dll"
2042
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2043
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2044
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2045
        objformat="win32"
2046
        enable dos_paths
2047
        check_cflags -fno-common
2048
        ;;
2049
    *-dos|freedos|opendos)
2050
        disable ffplay ffserver
2051
        disable $INDEV_LIST $OUTDEV_LIST
2052
        network_extralibs="-lsocket"
2053
        objformat="coff"
2054
        enable dos_paths
2055
        ;;
2056
    linux)
2057
        enable dv1394
2058
        ;;
2059
    irix*)
2060
        target_os=irix
2061
        ranlib="echo ignoring ranlib"
2062
        ;;
2063
    os/2*)
2064
        strip="lxlite"
2065
        ln_s="cp -f"
2066
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2067
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2068
        FFSERVERLDFLAGS=""
2069
        LIBSUF="_s.a"
2070
        SLIBPREF=""
2071
        SLIBSUF=".dll"
2072
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2073
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2074
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2075
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2076
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2077
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2078
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2079
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2080
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2081
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2082
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2083
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2084
        enable dos_paths
2085
        ;;
2086
    gnu/kfreebsd)
2087
        ;;
2088
    gnu)
2089
        ;;
2090

    
2091
    *)
2092
        die "Unknown OS '$target_os'."
2093
        ;;
2094
esac
2095

    
2096
set_default $PATHS_LIST
2097

    
2098
add_extralibs $osextralibs
2099

    
2100
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2101
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2102

    
2103
# we need to build at least one lib type
2104
if ! enabled_any static shared; then
2105
    cat <<EOF
2106
At least one library type must be built.
2107
Specify --enable-static to build the static libraries or --enable-shared to
2108
build the shared libraries as well. To only build the shared libraries specify
2109
--disable-static in addition to --enable-shared.
2110
EOF
2111
    exit 1;
2112
fi
2113

    
2114
disabled static && LIBNAME=""
2115

    
2116
if enabled_any libfaad libfaadbin ; then
2117
    if check_header faad.h; then
2118
        check_cc <<EOF
2119
#include <faad.h>
2120
#ifndef FAAD2_VERSION
2121
ok faad1
2122
#endif
2123
int main(void) { return 0; }
2124
EOF
2125
        test $? = 0 && enable libfaad2
2126
    else
2127
        die "FAAD test failed."
2128
    fi
2129
fi
2130

    
2131

    
2132
die_license_disabled() {
2133
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2134
}
2135

    
2136
die_license_disabled gpl libfaad2
2137
die_license_disabled gpl libx264
2138
die_license_disabled gpl libxvid
2139
die_license_disabled gpl postproc
2140
die_license_disabled gpl x11grab
2141

    
2142
die_license_disabled nonfree libfaac
2143

    
2144
die_license_disabled version3 libopencore_amrnb
2145
die_license_disabled version3 libopencore_amrwb
2146

    
2147
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2148

    
2149
check_deps $ARCH_EXT_LIST
2150

    
2151
disabled optimizations || check_cflags -fomit-frame-pointer
2152

    
2153
enable_pic() {
2154
    enable pic
2155
    add_cppflags -DPIC
2156
    add_cflags   -fPIC
2157
    add_asflags  -fPIC
2158
}
2159

    
2160
enabled pic && enable_pic
2161

    
2162
check_cc <<EOF || die "Symbol mangling check failed."
2163
int ff_extern;
2164
EOF
2165
sym=$($nm -P -g $TMPO | grep ff_extern)
2166
extern_prefix=${sym%%ff_extern*}
2167

    
2168
check_cc <<EOF && enable inline_asm
2169
void foo(void) { __asm__ volatile ("" ::); }
2170
EOF
2171

    
2172
_restrict=
2173
for restrict_keyword in restrict __restrict__ __restrict; do
2174
    check_cc <<EOF && _restrict=$restrict_keyword && break
2175
void foo(char * $restrict_keyword p);
2176
EOF
2177
done
2178

    
2179
check_cc <<EOF && enable attribute_packed
2180
struct { int x; } __attribute__((packed)) x;
2181
EOF
2182

    
2183
check_cc <<EOF || die "endian test failed"
2184
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2185
EOF
2186
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2187

    
2188
if enabled arm; then
2189

    
2190
    check_cflags -marm
2191

    
2192
    check_ld <<EOF && enable vfp_args
2193
__asm__ (".eabi_attribute 28, 1");
2194
int main(void) { return 0; }
2195
EOF
2196

    
2197
    # We have to check if pld is a nop and disable it.
2198
    check_asm pld '"pld [r0]"'
2199

    
2200
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2201
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2202
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2203
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2204
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2205
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2206

    
2207
    enabled_all armv6t2 shared !pic && enable_pic
2208

    
2209
elif enabled mips; then
2210

    
2211
    check_asm loongson '"dmult.g $1, $2, $3"'
2212
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2213

    
2214
elif enabled ppc; then
2215

    
2216
    check_asm dcbzl     '"dcbzl 0, 1"'
2217
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2218
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2219

    
2220
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2221
    if enabled altivec; then
2222
        check_cflags -maltivec -mabi=altivec &&
2223
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2224
        check_cflags -faltivec
2225

    
2226
        # check if our compiler supports Motorola AltiVec C API
2227
        check_cc <<EOF || disable altivec
2228
$inc_altivec_h
2229
int main(void) {
2230
    vector signed int v1, v2, v3;
2231
    v1 = vec_add(v2,v3);
2232
    return 0;
2233
}
2234
EOF
2235

    
2236
        # check if our compiler supports braces for vector declarations
2237
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2238
$inc_altivec_h
2239
int main (void) { (vector int) {1}; return 0; }
2240
EOF
2241
    fi
2242

    
2243
elif enabled sparc; then
2244

    
2245
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2246
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2247

    
2248
elif enabled x86; then
2249

    
2250
    # check whether EBP is available on x86
2251
    # As 'i' is stored on the stack, this program will crash
2252
    # if the base pointer is used to access it because the
2253
    # base pointer is cleared in the inline assembly code.
2254
    check_exec_crash <<EOF && enable ebp_available
2255
    volatile int i=0;
2256
    __asm__ volatile (
2257
        "xorl %%ebp, %%ebp"
2258
    ::: "%ebp");
2259
    return i;
2260
EOF
2261

    
2262
    # check whether EBX is available on x86
2263
    check_asm ebx_available '""::"b"(0)' &&
2264
        check_asm ebx_available '"":::"%ebx"'
2265

    
2266
    # check whether more than 10 operands are supported
2267
    check_cc <<EOF && enable ten_operands
2268
int main(void) {
2269
    int x=0;
2270
    __asm__ volatile(
2271
        ""
2272
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2273
    );
2274
    return 0;
2275
}
2276
EOF
2277

    
2278
    # check whether binutils is new enough to compile SSSE3/MMX2
2279
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2280
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2281

    
2282
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2283

    
2284
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2285
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2286
    enabled     pic           && append YASMFLAGS "-DPIC"
2287
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2288
    case "$objformat" in
2289
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2290
    esac
2291
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2292

    
2293
fi
2294

    
2295
if check_func dlopen; then
2296
    ldl=
2297
elif check_func dlopen -ldl; then
2298
    ldl=-ldl
2299
fi
2300

    
2301
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2302
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2303

    
2304
check_func  fork
2305
check_func  gethrtime
2306
check_func  getrusage
2307
check_func  inet_aton $network_extralibs
2308
check_func  isatty
2309
check_func  memalign
2310
check_func  mkstemp
2311
check_func  posix_memalign
2312
check_func_headers io.h setmode
2313
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2314
check_func_headers windows.h GetProcessTimes
2315
check_func_headers windows.h VirtualAlloc
2316

    
2317
check_header conio.h
2318
check_header dlfcn.h
2319
check_header malloc.h
2320
check_header poll.h
2321
check_header sys/mman.h
2322
check_header sys/resource.h
2323
check_header sys/select.h
2324
check_header termios.h
2325
check_header vdpau/vdpau.h
2326
check_header vdpau/vdpau_x11.h
2327
check_header X11/extensions/XvMClib.h
2328

    
2329
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2330
     enabled_any $need_memalign ; then
2331
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2332
fi
2333

    
2334
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2335
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2336

    
2337
# check for some common methods of building with pthread support
2338
# do this before the optional library checks as some of them require pthreads
2339
if enabled pthreads; then
2340
    if check_func pthread_create; then
2341
        :
2342
    elif check_func pthread_create -pthread; then
2343
        add_cflags -pthread
2344
        add_extralibs -pthread
2345
    elif check_func pthread_create -pthreads; then
2346
        add_cflags -pthreads
2347
        add_extralibs -pthreads
2348
    elif check_func pthread_create -lpthreadGC2; then
2349
        add_extralibs -lpthreadGC2
2350
    elif ! check_lib pthread.h pthread_create -lpthread; then
2351
        die "ERROR: can't find pthreads library"
2352
    fi
2353
fi
2354

    
2355
for thread in $THREADS_LIST; do
2356
    if enabled $thread; then
2357
        test -n "$thread_type" &&
2358
            die "ERROR: Only one thread type must be selected." ||
2359
            thread_type="$thread"
2360
    fi
2361
done
2362

    
2363
check_lib math.h sin -lm
2364
check_lib va/va.h vaInitialize -lva
2365

    
2366
check_func llrint
2367
check_func log2
2368
check_func lrint
2369
check_func lrintf
2370
check_func round
2371
check_func roundf
2372
check_func truncf
2373

    
2374
# these are off by default, so fail if requested and not available
2375
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2376
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2377
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2378
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2379
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2380
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2381
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2382
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2383
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2384
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2385
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2386
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2387
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2388
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2389
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2390
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2391
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2392
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2393
                      { check_cpp_condition x264.h "X264_BUILD >= 79" ||
2394
                        die "ERROR: libx264 version must be >= 0.79."; }
2395
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2396
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2397

    
2398
# libdc1394 check
2399
if enabled libdc1394; then
2400
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2401
        enable libdc1394_2; } ||
2402
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2403
        enable libdc1394_1; } ||
2404
    die "ERROR: No version of libdc1394 found "
2405
fi
2406

    
2407
disable sdl_too_old
2408
disable sdl
2409
SDL_CONFIG="${cross_prefix}sdl-config"
2410
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2411
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2412
    sdl_libs=$("${SDL_CONFIG}" --libs)
2413
    temp_cflags $sdl_cflags
2414
    temp_extralibs $sdl_libs
2415
    if check_lib2 SDL.h SDL_Init; then
2416
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2417
        if test "$_sdlversion" -lt 121 ; then
2418
            enable sdl_too_old
2419
        else
2420
            enable sdl
2421
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2422
#include <SDL.h>
2423
int main(int argc, char **argv){
2424
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2425
    int w = vi->current_w;
2426
    return 0;
2427
}
2428
EOF
2429
        fi
2430
    fi
2431
    restore_flags
2432
fi
2433

    
2434
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2435

    
2436
if enabled network; then
2437
    check_type "sys/types.h sys/socket.h" socklen_t
2438
    # Prefer arpa/inet.h over winsock2
2439
    if check_header arpa/inet.h ; then
2440
        check_func closesocket
2441
    elif check_header winsock2.h ; then
2442
        check_func_headers winsock2.h closesocket -lws2 && \
2443
            network_extralibs="-lws2" || \
2444
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2445
            network_extralibs="-lws2_32"; }
2446
        check_type ws2tcpip.h socklen_t
2447
    else
2448
        disable network
2449
    fi
2450
fi
2451

    
2452
enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2453
#include <sys/types.h>
2454
#include <sys/socket.h>
2455
#include <netinet/in.h>
2456
#include <netdb.h>
2457
int main(void) {
2458
    struct sockaddr_storage saddr;
2459
    struct ipv6_mreq mreq6;
2460
    getaddrinfo(0,0,0,0);
2461
    getnameinfo(0,0,0,0,0,0,0);
2462
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2463
}
2464
EOF
2465

    
2466
check_header linux/videodev.h
2467
check_header linux/videodev2.h
2468
check_header sys/videoio.h
2469

    
2470
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2471

    
2472
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2473
{ check_header dev/bktr/ioctl_meteor.h &&
2474
  check_header dev/bktr/ioctl_bt848.h; } ||
2475
{ check_header machine/ioctl_meteor.h &&
2476
  check_header machine/ioctl_bt848.h; } ||
2477
{ check_header dev/video/meteor/ioctl_meteor.h &&
2478
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2479
check_header dev/ic/bt8xx.h
2480

    
2481
check_header sys/soundcard.h
2482
check_header soundcard.h
2483

    
2484
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2485

    
2486
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2487

    
2488
enabled x11grab                         &&
2489
check_header X11/Xlib.h                 &&
2490
check_header X11/extensions/XShm.h      &&
2491
check_header X11/extensions/Xfixes.h    &&
2492
check_func XOpenDisplay -lX11           &&
2493
check_func XShmCreateImage -lX11 -lXext &&
2494
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2495

    
2496
check_cpp_condition \
2497
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2498
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2499
      disable vdpau; }
2500

    
2501
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2502

    
2503
# add some useful compiler flags if supported
2504
check_cflags -Wdeclaration-after-statement
2505
check_cflags -Wall
2506
check_cflags -Wno-switch
2507
check_cflags -Wdisabled-optimization
2508
check_cflags -Wpointer-arith
2509
check_cflags -Wredundant-decls
2510
check_cflags -Wno-pointer-sign
2511
check_cflags -Wcast-qual
2512
check_cflags -Wwrite-strings
2513
check_cflags -Wtype-limits
2514
check_cflags -Wundef
2515
enabled extra_warnings && check_cflags -Winline
2516

    
2517
# add some linker flags
2518
check_ldflags -Wl,--warn-common
2519
check_ldflags -Wl,--as-needed
2520
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2521
check_ldflags -Wl,-Bsymbolic
2522

    
2523
if enabled small; then
2524
    check_cflags -Os            # not all compilers support -Os
2525
    optimizations="small"
2526
elif enabled optimizations; then
2527
    if enabled xlc; then
2528
        add_cflags  -O5
2529
        add_ldflags -O5
2530
    elif enabled suncc; then
2531
        add_cflags -O5
2532
    elif enabled ccc; then
2533
        add_cflags -fast
2534
    else
2535
        add_cflags -O3
2536
    fi
2537
fi
2538
check_cflags -fno-math-errno
2539
check_cflags -fno-signed-zeros
2540

    
2541
if enabled icc; then
2542
    # Just warnings, no remarks
2543
    check_cflags -w1
2544
    # -wd: Disable following warnings
2545
    # 144, 167, 556: -Wno-pointer-sign
2546
    # 10006: ignoring unknown option -fno-signed-zeros
2547
    # 10156: ignoring option '-W'; no argument required
2548
    check_cflags -wd144,167,556,10006,10156
2549
    # 11030: Warning unknown option --as-needed
2550
    # 10156: ignoring option '-export'; no argument required
2551
    check_ldflags -wd10156,11030
2552
    # Allow to compile with optimizations
2553
    check_ldflags -march=$cpu
2554
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2555
    enable ebp_available
2556
elif enabled ccc; then
2557
    # disable some annoying warnings
2558
    add_cflags -msg_disable cvtu32to64
2559
    add_cflags -msg_disable embedcomment
2560
    add_cflags -msg_disable needconstext
2561
    add_cflags -msg_disable nomainieee
2562
    add_cflags -msg_disable ptrmismatch1
2563
    add_cflags -msg_disable unreachcode
2564
elif enabled gcc; then
2565
    check_cflags -fno-tree-vectorize
2566
elif enabled clang; then
2567
    check_cflags -Qunused-arguments
2568
fi
2569

    
2570
if enabled gprof; then
2571
    add_cflags  -p
2572
    add_ldflags -p
2573
fi
2574

    
2575
# Find out if the .align argument is a power of two or not.
2576
check_asm asmalign_pot '".align 3"'
2577

    
2578
enabled_any $DECODER_LIST      && enable decoders
2579
enabled_any $ENCODER_LIST      && enable encoders
2580
enabled_any $HWACCEL_LIST      && enable hwaccels
2581
enabled_any $BSF_LIST          && enable bsfs
2582
enabled_any $DEMUXER_LIST      && enable demuxers
2583
enabled_any $MUXER_LIST        && enable muxers
2584
enabled_any $FILTER_LIST       && enable filters
2585
enabled_any $INDEV_LIST        && enable indevs
2586
enabled_any $OUTDEV_LIST       && enable outdevs
2587
enabled_any $PROTOCOL_LIST     && enable protocols
2588

    
2589
enabled_any $THREADS_LIST      && enable threads
2590

    
2591
check_deps $CONFIG_LIST       \
2592
           $CONFIG_EXTRA      \
2593
           $HAVE_LIST         \
2594
           $DECODER_LIST      \
2595
           $ENCODER_LIST      \
2596
           $HWACCEL_LIST      \
2597
           $PARSER_LIST       \
2598
           $BSF_LIST          \
2599
           $DEMUXER_LIST      \
2600
           $MUXER_LIST        \
2601
           $FILTER_LIST       \
2602
           $INDEV_LIST        \
2603
           $OUTDEV_LIST       \
2604
           $PROTOCOL_LIST     \
2605

    
2606
echo "install prefix            $prefix"
2607
echo "source path               $source_path"
2608
echo "C compiler                $cc"
2609
echo ".align is power-of-two    $asmalign_pot"
2610
echo "ARCH                      $arch ($cpu)"
2611
if test "$build_suffix" != ""; then
2612
    echo "build suffix              $build_suffix"
2613
fi
2614
if test "$extra_version" != ""; then
2615
    echo "version string suffix     $extra_version"
2616
fi
2617
echo "big-endian                ${bigendian-no}"
2618
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2619
if enabled x86; then
2620
    echo "yasm                      ${yasm-no}"
2621
    echo "MMX enabled               ${mmx-no}"
2622
    echo "MMX2 enabled              ${mmx2-no}"
2623
    echo "3DNow! enabled            ${amd3dnow-no}"
2624
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2625
    echo "SSE enabled               ${sse-no}"
2626
    echo "SSSE3 enabled             ${ssse3-no}"
2627
    echo "CMOV enabled              ${cmov-no}"
2628
    echo "CMOV is fast              ${fast_cmov-no}"
2629
    echo "EBX available             ${ebx_available-no}"
2630
    echo "EBP available             ${ebp_available-no}"
2631
    echo "10 operands supported     ${ten_operands-no}"
2632
fi
2633
if enabled arm; then
2634
    echo "ARMv5TE enabled           ${armv5te-no}"
2635
    echo "ARMv6 enabled             ${armv6-no}"
2636
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2637
    echo "ARM VFP enabled           ${armvfp-no}"
2638
    echo "IWMMXT enabled            ${iwmmxt-no}"
2639
    echo "NEON enabled              ${neon-no}"
2640
fi
2641
if enabled mips; then
2642
    echo "MMI enabled               ${mmi-no}"
2643
fi
2644
if enabled ppc; then
2645
    echo "AltiVec enabled           ${altivec-no}"
2646
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2647
    echo "dcbzl available           ${dcbzl-no}"
2648
    echo "performance report        ${powerpc_perf-no}"
2649
fi
2650
if enabled sparc; then
2651
    echo "VIS enabled               ${vis-no}"
2652
fi
2653
echo "gprof enabled             ${gprof-no}"
2654
echo "debug symbols             ${debug-no}"
2655
echo "strip symbols             ${stripping-no}"
2656
echo "optimizations             ${optimizations-no}"
2657
echo "static                    ${static-no}"
2658
echo "shared                    ${shared-no}"
2659
echo "postprocessing support    ${postproc-no}"
2660
echo "new filter support        ${avfilter-no}"
2661
echo "filters using lavformat   ${avfilter_lavf-no}"
2662
echo "network support           ${network-no}"
2663
if enabled network; then
2664
    echo "IPv6 support              ${ipv6-no}"
2665
fi
2666
echo "threading support         ${thread_type-no}"
2667
echo "SDL support               ${sdl-no}"
2668
if enabled sdl_too_old; then
2669
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2670
fi
2671
echo "Sun medialib support      ${mlib-no}"
2672
echo "AVISynth enabled          ${avisynth-no}"
2673
echo "libdc1394 support         ${libdc1394-no}"
2674
echo "libdirac enabled          ${libdirac-no}"
2675
echo "libfaac enabled           ${libfaac-no}"
2676
echo "libfaad enabled           ${libfaad-no}"
2677
echo "libfaad dlopened          ${libfaadbin-no}"
2678
echo "libgsm enabled            ${libgsm-no}"
2679
echo "libmp3lame enabled        ${libmp3lame-no}"
2680
echo "libnut enabled            ${libnut-no}"
2681
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2682
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2683
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2684
echo "libschroedinger enabled   ${libschroedinger-no}"
2685
echo "libspeex enabled          ${libspeex-no}"
2686
echo "libtheora enabled         ${libtheora-no}"
2687
echo "libvorbis enabled         ${libvorbis-no}"
2688
echo "libx264 enabled           ${libx264-no}"
2689
echo "libxvid enabled           ${libxvid-no}"
2690
echo "zlib enabled              ${zlib-no}"
2691
echo "bzlib enabled             ${bzlib-no}"
2692
echo
2693

    
2694
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2695
    echo "Enabled ${type}s:"
2696
    eval list=\$$(toupper $type)_LIST
2697
    for part in $list; do
2698
        enabled $part && echo ${part%_*}
2699
    done | sort | pr -3 -t
2700
    echo
2701
done
2702

    
2703
license="LGPL version 2.1 or later"
2704
if enabled nonfree; then
2705
    license="nonfree and unredistributable"
2706
elif enabled gplv3; then
2707
    license="GPL version 3 or later"
2708
elif enabled lgplv3; then
2709
    license="LGPL version 3 or later"
2710
elif enabled gpl; then
2711
    license="GPL version 2 or later"
2712
fi
2713

    
2714
echo "License: $license"
2715

    
2716
echo "Creating config.mak and config.h..."
2717

    
2718
enabled stripping || strip="echo skipping strip"
2719

    
2720
cat > config.mak <<EOF
2721
# Automatically generated by configure - do not modify!
2722
ifndef FFMPEG_CONFIG_MAK
2723
FFMPEG_CONFIG_MAK=1
2724
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2725
prefix=$prefix
2726
LIBDIR=\$(DESTDIR)$libdir
2727
SHLIBDIR=\$(DESTDIR)$shlibdir
2728
INCDIR=\$(DESTDIR)$incdir
2729
BINDIR=\$(DESTDIR)$bindir
2730
DATADIR=\$(DESTDIR)$datadir
2731
MANDIR=\$(DESTDIR)$mandir
2732
SRC_PATH="$source_path"
2733
SRC_PATH_BARE=$source_path
2734
BUILD_ROOT="$PWD"
2735
ARCH=$arch
2736
CC=$cc
2737
AS=$as
2738
LD=$ld
2739
DEPCC=$dep_cc
2740
YASM=$yasmexe
2741
AR=$ar
2742
RANLIB=$ranlib
2743
LN_S=$ln_s
2744
STRIP=$strip
2745
CPPFLAGS=$CPPFLAGS
2746
CFLAGS=$CFLAGS
2747
ASFLAGS=$ASFLAGS
2748
CC_O=$CC_O
2749
LDFLAGS=$LDFLAGS
2750
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2751
SHFLAGS=$SHFLAGS
2752
YASMFLAGS=$YASMFLAGS
2753
BUILDSUF=$build_suffix
2754
FULLNAME=$FULLNAME
2755
LIBPREF=$LIBPREF
2756
LIBSUF=$LIBSUF
2757
LIBNAME=$LIBNAME
2758
SLIBPREF=$SLIBPREF
2759
SLIBSUF=$SLIBSUF
2760
EXESUF=$EXESUF
2761
EXTRA_VERSION=$extra_version
2762
DEPFLAGS=$DEPFLAGS
2763
CCDEP=$CCDEP
2764
ASDEP=$ASDEP
2765
CC_DEPFLAGS=$CC_DEPFLAGS
2766
AS_DEPFLAGS=$AS_DEPFLAGS
2767
HOSTCC=$host_cc
2768
HOSTCFLAGS=$host_cflags
2769
HOSTEXESUF=$HOSTEXESUF
2770
HOSTLDFLAGS=$host_ldflags
2771
HOSTLIBS=$host_libs
2772
TARGET_EXEC=$target_exec
2773
TARGET_PATH=$target_path
2774
SDL_LIBS=$sdl_libs
2775
SDL_CFLAGS=$sdl_cflags
2776
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2777
EXTRALIBS=$extralibs
2778
EOF
2779

    
2780
get_version(){
2781
    name=$1
2782
    file=$source_path/$2
2783
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2784
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2785
    lcname=$(tolower $name)
2786
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2787
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2788
}
2789

    
2790
get_version LIBSWSCALE  libswscale/swscale.h
2791
get_version LIBPOSTPROC libpostproc/postprocess.h
2792
get_version LIBAVCODEC  libavcodec/avcodec.h
2793
get_version LIBAVDEVICE libavdevice/avdevice.h
2794
get_version LIBAVFORMAT libavformat/avformat.h
2795
get_version LIBAVUTIL   libavutil/avutil.h
2796
get_version LIBAVFILTER libavfilter/avfilter.h
2797

    
2798
enabled shared && cat >> config.mak <<EOF
2799
LIBTARGET=${LIBTARGET}
2800
SLIBNAME=${SLIBNAME}
2801
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2802
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2803
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2804
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2805
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2806
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2807
EOF
2808

    
2809
enabled asmalign_pot || align_shift="1 <<"
2810

    
2811
cat > $TMPH <<EOF
2812
/* Automatically generated by configure - do not modify! */
2813
#ifndef FFMPEG_CONFIG_H
2814
#define FFMPEG_CONFIG_H
2815
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2816
#define FFMPEG_LICENSE "$(c_escape $license)"
2817
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2818
#define CC_TYPE "$cc_type"
2819
#define CC_VERSION $cc_version
2820
#define restrict $_restrict
2821
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2822
#define EXTERN_PREFIX "${extern_prefix}"
2823
#define EXTERN_ASM ${extern_prefix}
2824
EOF
2825

    
2826
if enabled small || disabled optimizations; then
2827
    echo "#define av_always_inline"  >> $TMPH
2828
fi
2829

    
2830
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2831
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2832
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2833
                                      $CONFIG_EXTRA      \
2834
                                      $DECODER_LIST      \
2835
                                      $ENCODER_LIST      \
2836
                                      $HWACCEL_LIST      \
2837
                                      $PARSER_LIST       \
2838
                                      $BSF_LIST          \
2839
                                      $DEMUXER_LIST      \
2840
                                      $MUXER_LIST        \
2841
                                      $FILTER_LIST       \
2842
                                      $PROTOCOL_LIST     \
2843
                                      $INDEV_LIST        \
2844
                                      $OUTDEV_LIST       \
2845

    
2846
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2847
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2848

    
2849
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2850
cmp -s $TMPH config.h &&
2851
    echo "config.h is unchanged" ||
2852
    mv -f $TMPH config.h
2853

    
2854
# build tree in object directory if source path is different from current one
2855
if enabled source_path_used; then
2856
    DIRS="
2857
        doc
2858
        libavcodec
2859
        libavcodec/$arch
2860
        libavdevice
2861
        libavfilter
2862
        libavformat
2863
        libavutil
2864
        libavutil/$arch
2865
        libpostproc
2866
        libswscale
2867
        libswscale/$arch
2868
        tests
2869
        tools
2870
    "
2871
    FILES="
2872
        Makefile
2873
        common.mak
2874
        subdir.mak
2875
        doc/texi2pod.pl
2876
        libavcodec/Makefile
2877
        libavdevice/Makefile
2878
        libavfilter/Makefile
2879
        libavformat/Makefile
2880
        libavutil/Makefile
2881
        libpostproc/Makefile
2882
        libswscale/Makefile
2883
    "
2884
    for dir in $DIRS ; do
2885
        mkdir -p $dir
2886
    done
2887
    for f in $FILES ; do
2888
        $ln_s "$source_path/$f" $f
2889
    done
2890
fi
2891

    
2892

    
2893
# build pkg-config files
2894

    
2895
pkgconfig_generate(){
2896
name=$1
2897
shortname=${name#lib}${build_suffix}
2898
comment=$2
2899
version=$3
2900
libs=$4
2901
requires=$5
2902
cat <<EOF > $name/$name.pc
2903
prefix=$prefix
2904
exec_prefix=\${prefix}
2905
libdir=$libdir
2906
includedir=$incdir
2907

    
2908
Name: $name
2909
Description: $comment
2910
Version: $version
2911
Requires: $(enabled shared || echo $requires)
2912
Requires.private: $(enabled shared && echo $requires)
2913
Conflicts:
2914
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
2915
Libs.private: $(enabled shared && echo $libs)
2916
Cflags: -I\${includedir}
2917
EOF
2918
cat <<EOF > $name/$name-uninstalled.pc
2919
prefix=
2920
exec_prefix=
2921
libdir=\${pcfiledir}
2922
includedir=${source_path}
2923

    
2924
Name: $name
2925
Description: $comment
2926
Version: $version
2927
Requires: $requires
2928
Conflicts:
2929
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2930
Cflags: -I\${includedir}
2931
EOF
2932
}
2933

    
2934
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2935
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2936
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2937
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2938
enabled avfilter &&
2939
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2940
enabled postproc &&
2941
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2942
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"