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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
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
56

    
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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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  --disable-avdevice       disable libavdevice build
87
  --disable-avcodec        disable libavcodec build
88
  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
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  --enable-postproc        enable GPLed postprocessing support [no]
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  --enable-avfilter        video filter support [no]
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  --enable-avfilter-lavf   video filters dependent on avformat [no]
93
  --enable-beosthreads     use BeOS threads [no]
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  --enable-os2threads      use OS/2 threads [no]
95
  --enable-pthreads        use pthreads [no]
96
  --enable-w32threads      use Win32 threads [no]
97
  --enable-x11grab         enable X11 grabbing [no]
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  --disable-network        disable network support [no]
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  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
100
  --enable-gray            enable full grayscale support (slower color)
101
  --disable-swscale-alpha  disable alpha channel support in swscale
102
  --disable-fastdiv        disable table-based division
103
  --enable-small           optimize for size instead of speed
104
  --disable-aandct         disable AAN DCT code
105
  --disable-dct            disable DCT code
106
  --disable-fft            disable FFT code
107
  --disable-golomb         disable Golomb code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
114
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --enable-beos-netserver  enable BeOS netserver
118
  --disable-encoder=NAME   disable encoder NAME
119
  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
122
  --enable-decoder=NAME    enable decoder NAME
123
  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
144
  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
168
                           and libraw1394 [no]
169
  --enable-libdirac        enable Dirac support via libdirac [no]
170
  --enable-libfaac         enable FAAC support via libfaac [no]
171
  --enable-libfaad         enable FAAD support via libfaad [no]
172
  --enable-libfaadbin      open libfaad.so.0 at runtime [no]
173
  --enable-libgsm          enable GSM support via libgsm [no]
174
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
175
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
179
  --enable-libspeex        enable Speex decoding via libspeex [no]
180
  --enable-libtheora       enable Theora encoding via libtheora [no]
181
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
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                           native implementation exists [no]
183
  --enable-libx264         enable H.264 encoding via x264 [no]
184
  --enable-libxvid         enable Xvid encoding via xvidcore,
185
                           native MPEG-4/Xvid encoder exists [no]
186
  --enable-mlib            enable Sun medialib [no]
187
  --enable-zlib            enable zlib [autodetect]
188

    
189
Advanced options (experts only):
190
  --source-path=PATH       path to source code [$source_path]
191
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
192
  --enable-cross-compile   assume a cross-compiler is used
193
  --sysroot=PATH           root of cross-build tree
194
  --sysinclude=PATH        location of cross-build system headers
195
  --target-os=OS           compiler targets OS [$target_os]
196
  --target-exec=CMD        command to run executables on target
197
  --target-path=DIR        path to view of build directory on target
198
  --nm=NM                  use nm tool
199
  --as=AS                  use assembler AS [$as_default]
200
  --cc=CC                  use C compiler CC [$cc_default]
201
  --ld=LD                  use linker LD
202
  --host-cc=HOSTCC         use host C compiler HOSTCC
203
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
204
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
205
  --host-libs=HLIBS        use libs HLIBS when linking for host
206
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
207
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
209
  --extra-version=STRING   version string suffix []
210
  --build-suffix=SUFFIX    library name suffix []
211
  --arch=ARCH              select architecture [$arch]
212
  --cpu=CPU                select the minimum required CPU (affects
213
                           instruction selection, may crash on older CPUs)
214
  --enable-powerpc-perf    enable performance report on PPC
215
                           (requires enabling PMC)
216
  --disable-asm            disable all assembler optimizations
217
  --disable-altivec        disable AltiVec optimizations
218
  --disable-amd3dnow       disable 3DNow! optimizations
219
  --disable-amd3dnowext    disable 3DNow! extended optimizations
220
  --disable-mmx            disable MMX optimizations
221
  --disable-mmx2           disable MMX2 optimizations
222
  --disable-sse            disable SSE optimizations
223
  --disable-ssse3          disable SSSE3 optimizations
224
  --disable-armv5te        disable armv5te optimizations
225
  --disable-armv6          disable armv6 optimizations
226
  --disable-armv6t2        disable armv6t2 optimizations
227
  --disable-armvfp         disable ARM VFP optimizations
228
  --disable-iwmmxt         disable iwmmxt optimizations
229
  --disable-mmi            disable MMI optimizations
230
  --disable-neon           disable neon optimizations
231
  --disable-vis            disable VIS optimizations
232
  --disable-yasm           disable use of yasm assembler
233
  --enable-pic             build position-independent code
234
  --malloc-prefix=PFX      prefix malloc and related names with PFX
235
  --enable-sram            allow use of on-chip SRAM
236

    
237
Developer options (useful when working on FFmpeg itself):
238
  --disable-debug          disable debugging symbols
239
  --enable-debug=LEVEL     set the debug level [$debuglevel]
240
  --enable-gprof           enable profiling with gprof [$gprof]
241
  --disable-optimizations  disable compiler optimizations
242
  --enable-extra-warnings  enable more compiler warnings
243
  --disable-stripping      disable stripping of executables and shared libraries
244

    
245
NOTE: Object files are built at the place where configure is launched.
246
EOF
247
  exit 0
248
}
249

    
250
log(){
251
    echo "$@" >> $logfile
252
}
253

    
254
log_file(){
255
    log BEGIN $1
256
    pr -n -t $1 >> $logfile
257
    log END $1
258
}
259

    
260
echolog(){
261
    log "$@"
262
    echo "$@"
263
}
264

    
265
die(){
266
    echolog "$@"
267
    cat <<EOF
268

    
269
If you think configure made a mistake, make sure you are using the latest
270
version from SVN.  If the latest version fails, report the problem to the
271
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
272
EOF
273
    if disabled logging; then
274
        cat <<EOF
275
Rerun configure with logging enabled (do not use --disable-logging), and
276
include the log this produces with your report.
277
EOF
278
    else
279
cat <<EOF
280
Include the log file "$logfile" produced by configure as this will help
281
solving the problem.
282
EOF
283
    fi
284
    exit 1
285
}
286

    
287
# Avoid locale weirdness, besides we really just want to translate ASCII.
288
toupper(){
289
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
290
}
291

    
292
tolower(){
293
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
294
}
295

    
296
c_escape(){
297
    echo "$*" | sed 's/["\\]/\\\0/g'
298
}
299

    
300
sh_quote(){
301
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
302
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
303
    echo "$v"
304
}
305

    
306
filter(){
307
    pat=$1
308
    shift
309
    for v; do
310
        eval "case $v in $pat) echo $v ;; esac"
311
    done
312
}
313

    
314
set_all(){
315
    value=$1
316
    shift
317
    for var in $*; do
318
        eval $var=$value
319
    done
320
}
321

    
322
set_weak(){
323
    value=$1
324
    shift
325
    for var; do
326
        eval : \${$var:=$value}
327
    done
328
}
329

    
330
pushvar(){
331
    for var in $*; do
332
        eval level=\${${var}_level:=0}
333
        eval ${var}_${level}="\$$var"
334
        eval ${var}_level=$(($level+1))
335
    done
336
}
337

    
338
popvar(){
339
    for var in $*; do
340
        eval level=\${${var}_level:-0}
341
        test $level = 0 && continue
342
        eval level=$(($level-1))
343
        eval $var="\${${var}_${level}}"
344
        eval ${var}_level=$level
345
        eval unset ${var}_${level}
346
    done
347
}
348

    
349
enable(){
350
    set_all yes $*
351
}
352

    
353
disable(){
354
    set_all no $*
355
}
356

    
357
enable_weak(){
358
    set_weak yes $*
359
}
360

    
361
disable_weak(){
362
    set_weak no $*
363
}
364

    
365
enable_safe(){
366
    for var; do
367
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
368
    done
369
}
370

    
371
disable_safe(){
372
    for var; do
373
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
374
    done
375
}
376

    
377
do_enable_deep(){
378
    for var; do
379
        enabled $var && continue
380
        eval sel="\$${var}_select"
381
        eval sgs="\$${var}_suggest"
382
        pushvar var sgs
383
        enable_deep $sel
384
        popvar sgs
385
        enable_deep_weak $sgs
386
        popvar var
387
    done
388
}
389

    
390
enable_deep(){
391
    do_enable_deep $*
392
    enable $*
393
}
394

    
395
enable_deep_weak(){
396
    do_enable_deep $*
397
    enable_weak $*
398
}
399

    
400
enabled(){
401
    test "${1#!}" = "$1" && op== || op=!=
402
    eval test "x\$${1#!}" $op "xyes"
403
}
404

    
405
disabled(){
406
    test "${1#!}" = "$1" && op== || op=!=
407
    eval test "x\$${1#!}" $op "xno"
408
}
409

    
410
enabled_all(){
411
    for opt; do
412
        enabled $opt || return 1
413
    done
414
}
415

    
416
disabled_all(){
417
    for opt; do
418
        disabled $opt || return 1
419
    done
420
}
421

    
422
enabled_any(){
423
    for opt; do
424
        enabled $opt && return 0
425
    done
426
}
427

    
428
disabled_any(){
429
    for opt; do
430
        disabled $opt && return 0
431
    done
432
    return 1
433
}
434

    
435
set_default(){
436
    for opt; do
437
        eval : \${$opt:=\$${opt}_default}
438
    done
439
}
440

    
441
is_in(){
442
    value=$1
443
    shift
444
    for var in $*; do
445
        [ $var = $value ] && return 0
446
    done
447
    return 1
448
}
449

    
450
check_deps(){
451
    for cfg; do
452
        cfg="${cfg#!}"
453
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
454
        disabled ${cfg}_checking && continue
455
        enable ${cfg}_checking
456

    
457
        eval dep_all="\$${cfg}_deps"
458
        eval dep_any="\$${cfg}_deps_any"
459
        eval dep_sel="\$${cfg}_select"
460
        eval dep_sgs="\$${cfg}_suggest"
461
        eval dep_ifa="\$${cfg}_if"
462
        eval dep_ifn="\$${cfg}_if_any"
463

    
464
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
466
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
467

    
468
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
469
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
470
        enabled_all  $dep_all || disable $cfg
471
        enabled_any  $dep_any || disable $cfg
472
        disabled_any $dep_sel && disable $cfg
473

    
474
        if enabled $cfg; then
475
            eval dep_extralibs="\$${cfg}_extralibs"
476
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
477
            enable_deep $dep_sel
478
            enable_deep_weak $dep_sgs
479
        fi
480

    
481
        disable ${cfg}_checking
482
    done
483
}
484

    
485
print_config(){
486
    pfx=$1
487
    header=$2
488
    makefile=$3
489
    shift 3
490
    for cfg; do
491
        ucname="$(toupper $cfg)"
492
        if enabled $cfg; then
493
            echo "#define ${pfx}${ucname} 1" >> $header
494
            echo "${pfx}${ucname}=yes" >> $makefile
495
        else
496
            echo "#define ${pfx}${ucname} 0" >> $header
497
            echo "!${pfx}${ucname}=yes" >> $makefile
498
        fi
499
    done
500
}
501

    
502
flags_saved(){
503
    (: ${SAVE_CFLAGS?}) 2> /dev/null
504
}
505

    
506
save_flags(){
507
    flags_saved && return
508
    SAVE_CFLAGS="$CFLAGS"
509
    SAVE_LDFLAGS="$LDFLAGS"
510
    SAVE_extralibs="$extralibs"
511
}
512

    
513
restore_flags(){
514
    flags_saved || return
515
    CFLAGS="$SAVE_CFLAGS"
516
    LDFLAGS="$SAVE_LDFLAGS"
517
    extralibs="$SAVE_extralibs"
518
    unset SAVE_CFLAGS
519
    unset SAVE_LDFLAGS
520
    unset SAVE_extralibs
521
}
522

    
523
temp_cflags(){
524
    save_flags
525
    CFLAGS="$CFLAGS $*"
526
}
527

    
528
temp_ldflags(){
529
    save_flags
530
    LDFLAGS="$LDFLAGS $*"
531
}
532

    
533
temp_extralibs(){
534
    save_flags
535
    extralibs="$extralibs $*"
536
}
537

    
538
append(){
539
    var=$1
540
    shift
541
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
542
    eval "$var=\"\$$var $*\""
543
}
544

    
545
add_cppflags(){
546
    append CPPFLAGS $($filter_cppflags "$@")
547
}
548

    
549
add_cflags(){
550
    append CFLAGS $($filter_cflags "$@")
551
}
552

    
553
add_asflags(){
554
    append ASFLAGS $($filter_asflags "$@")
555
}
556

    
557
add_ldflags(){
558
    append LDFLAGS "$@"
559
}
560

    
561
add_extralibs(){
562
    append extralibs "$@"
563
}
564

    
565
check_cmd(){
566
    log "$@"
567
    "$@" >> $logfile 2>&1
568
}
569

    
570
check_cc(){
571
    log check_cc "$@"
572
    cat > $TMPC
573
    log_file $TMPC
574
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
575
}
576

    
577
check_cpp(){
578
    log check_cpp "$@"
579
    cat > $TMPC
580
    log_file $TMPC
581
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
582
}
583

    
584
check_as(){
585
    log check_as "$@"
586
    cat > $TMPC
587
    log_file $TMPC
588
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
589
}
590

    
591
check_asm(){
592
    log check_asm "$@"
593
    name="$1"
594
    code="$2"
595
    shift 2
596
    disable $name
597
    check_as "$@" <<EOF && enable $name
598
void foo(void){ __asm__ volatile($code); }
599
EOF
600
}
601

    
602
check_yasm(){
603
    log check_yasm "$@"
604
    echo "$1" > $TMPS
605
    log_file $TMPS
606
    shift 1
607
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
608
}
609

    
610
check_ld(){
611
    log check_ld "$@"
612
    flags=''
613
    libs=''
614
    for f; do
615
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
616
    done
617
    check_cc $($filter_cflags $flags) || return
618
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
619
}
620

    
621
check_cppflags(){
622
    log check_cppflags "$@"
623
    set -- $($filter_cppflags "$@")
624
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
625
int x;
626
EOF
627
}
628

    
629
check_cflags(){
630
    log check_cflags "$@"
631
    set -- $($filter_cflags "$@")
632
    check_cc "$@" <<EOF && append CFLAGS "$@"
633
int x;
634
EOF
635
}
636

    
637
test_ldflags(){
638
    log test_ldflags "$@"
639
    check_ld "$@" <<EOF
640
int main(void){ return 0; }
641
EOF
642
}
643

    
644
check_ldflags(){
645
    log check_ldflags "$@"
646
    test_ldflags "$@" && add_ldflags "$@"
647
}
648

    
649
check_header(){
650
    log check_header "$@"
651
    header=$1
652
    shift
653
    disable_safe $header
654
    check_cpp "$@" <<EOF && enable_safe $header
655
#include <$header>
656
int x;
657
EOF
658
}
659

    
660
check_func(){
661
    log check_func "$@"
662
    func=$1
663
    shift
664
    disable $func
665
    check_ld "$@" <<EOF && enable $func
666
extern int $func();
667
int main(void){ $func(); }
668
EOF
669
}
670

    
671
check_mathfunc(){
672
    log check_mathfunc "$@"
673
    func=$1
674
    shift
675
    disable $func
676
    check_ld "$@" <<EOF && enable $func
677
#include <math.h>
678
float foo(float f) { return $func(f); }
679
int main(void){ return 0; }
680
EOF
681
}
682

    
683
check_func_headers(){
684
    log check_func_headers "$@"
685
    headers=$1
686
    func=$2
687
    shift 2
688
    disable $func
689
    incs=""
690
    for hdr in $headers; do
691
        incs="$incs
692
#include <$hdr>"
693
    done
694
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
695
$incs
696
int main(int argc, char **argv){
697
    return (long) $func;
698
}
699
EOF
700
}
701

    
702
check_cpp_condition(){
703
    log check_cpp_condition "$@"
704
    header=$1
705
    condition=$2
706
    shift 2
707
    check_cpp $($filter_cppflags "$@") <<EOF
708
#include <$header>
709
#if !($condition)
710
#error "unsatisfied condition: $condition"
711
#endif
712
EOF
713
}
714

    
715
check_lib(){
716
    log check_lib "$@"
717
    header="$1"
718
    func="$2"
719
    shift 2
720
    temp_extralibs "$@"
721
    check_header $header && check_func $func && add_extralibs "$@"
722
    err=$?
723
    restore_flags
724
    return $err
725
}
726

    
727
check_lib2(){
728
    log check_lib2 "$@"
729
    headers="$1"
730
    func="$2"
731
    shift 2
732
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
733
}
734

    
735
check_exec(){
736
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
737
}
738

    
739
check_exec_crash(){
740
    code=$(cat)
741

    
742
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
743
    # are safe but may not be available everywhere.  Thus we use
744
    # raise(SIGTERM) instead.  The check is run in a subshell so we
745
    # can redirect the "Terminated" message from the shell.  SIGBUS
746
    # is not defined by standard C so it is used conditionally.
747

    
748
    (check_exec "$@") >> $logfile 2>&1 <<EOF
749
#include <signal.h>
750
static void sighandler(int sig){
751
    raise(SIGTERM);
752
}
753
int main(void){
754
    signal(SIGILL, sighandler);
755
    signal(SIGFPE, sighandler);
756
    signal(SIGSEGV, sighandler);
757
#ifdef SIGBUS
758
    signal(SIGBUS, sighandler);
759
#endif
760
    { $code }
761
}
762
EOF
763
}
764

    
765
check_type(){
766
    log check_type "$@"
767
    headers=$1
768
    type=$2
769
    shift 2
770
    disable_safe "$type"
771
    incs=""
772
    for hdr in $headers; do
773
        incs="$incs
774
#include <$hdr>"
775
    done
776
    check_cc "$@" <<EOF && enable_safe "$type"
777
$incs
778
$type v;
779
EOF
780
}
781

    
782
check_struct(){
783
    log check_type "$@"
784
    headers=$1
785
    struct=$2
786
    member=$3
787
    shift 3
788
    disable_safe "${struct}_${member}"
789
    incs=""
790
    for hdr in $headers; do
791
        incs="$incs
792
#include <$hdr>"
793
    done
794
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
795
$incs
796
const void *p = &(($struct *)0)->$member;
797
EOF
798
}
799

    
800
require(){
801
    name="$1"
802
    header="$2"
803
    func="$3"
804
    shift 3
805
    check_lib $header $func "$@" || die "ERROR: $name not found"
806
}
807

    
808
require2(){
809
    name="$1"
810
    headers="$2"
811
    func="$3"
812
    shift 3
813
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
814
}
815

    
816
check_foo_config(){
817
    cfg=$1
818
    pkg=$2
819
    header=$3
820
    func=$4
821
    shift 4
822
    disable $cfg
823
    check_cmd ${pkg}-config --version
824
    err=$?
825
    if test "$err" = 0; then
826
        temp_cflags $(${pkg}-config --cflags)
827
        temp_extralibs $(${pkg}-config --libs)
828
        check_lib "$@" $header $func && enable $cfg
829
    fi
830
    return $err
831
}
832

    
833
check_host_cc(){
834
    log check_host_cc "$@"
835
    cat > $TMPC
836
    log_file $TMPC
837
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
838
}
839

    
840
check_host_cflags(){
841
    log check_host_cflags "$@"
842
    check_host_cc "$@" <<EOF && append host_cflags "$@"
843
int x;
844
EOF
845
}
846

    
847
apply(){
848
    file=$1
849
    shift
850
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
851
}
852

    
853
cp_if_changed(){
854
    cmp -s "$1" "$2" &&
855
        echo "$2 is unchanged" ||
856
        cp -f "$1" "$2"
857
}
858

    
859
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
860
# system-dependent things.
861

    
862
COMPONENT_LIST="
863
    bsfs
864
    decoders
865
    demuxers
866
    encoders
867
    filters
868
    hwaccels
869
    indevs
870
    muxers
871
    outdevs
872
    parsers
873
    protocols
874
"
875

    
876
CONFIG_LIST="
877
    $COMPONENT_LIST
878
    aandct
879
    avcodec
880
    avdevice
881
    avfilter
882
    avfilter_lavf
883
    avformat
884
    avisynth
885
    beos_netserver
886
    bzlib
887
    dct
888
    doc
889
    dxva2
890
    fastdiv
891
    ffmpeg
892
    ffplay
893
    ffserver
894
    fft
895
    golomb
896
    gpl
897
    gprof
898
    gray
899
    hardcoded_tables
900
    libdc1394
901
    libdirac
902
    libfaac
903
    libfaad
904
    libfaadbin
905
    libgsm
906
    libmp3lame
907
    libnut
908
    libopencore_amrnb
909
    libopencore_amrwb
910
    libopenjpeg
911
    libschroedinger
912
    libspeex
913
    libtheora
914
    libvorbis
915
    libx264
916
    libxvid
917
    lpc
918
    mdct
919
    memalign_hack
920
    mlib
921
    mpegaudio_hp
922
    network
923
    nonfree
924
    pic
925
    postproc
926
    powerpc_perf
927
    rdft
928
    runtime_cpudetect
929
    shared
930
    small
931
    sram
932
    static
933
    swscale
934
    swscale_alpha
935
    vaapi
936
    vdpau
937
    version3
938
    x11grab
939
    zlib
940
"
941

    
942
THREADS_LIST='
943
    beosthreads
944
    os2threads
945
    pthreads
946
    w32threads
947
'
948

    
949
ARCH_LIST='
950
    alpha
951
    arm
952
    avr32
953
    avr32_ap
954
    avr32_uc
955
    bfin
956
    ia64
957
    m68k
958
    mips
959
    mips64
960
    parisc
961
    ppc
962
    ppc64
963
    s390
964
    sh4
965
    sparc
966
    sparc64
967
    x86
968
    x86_32
969
    x86_64
970
'
971

    
972
ARCH_EXT_LIST='
973
    altivec
974
    amd3dnow
975
    amd3dnowext
976
    armv5te
977
    armv6
978
    armv6t2
979
    armvfp
980
    iwmmxt
981
    mmi
982
    mmx
983
    mmx2
984
    neon
985
    ppc4xx
986
    sse
987
    ssse3
988
    vis
989
'
990

    
991
HAVE_LIST_PUB='
992
    bigendian
993
'
994

    
995
HAVE_LIST="
996
    $ARCH_EXT_LIST
997
    $HAVE_LIST_PUB
998
    $THREADS_LIST
999
    alsa_asoundlib_h
1000
    altivec_h
1001
    arpa_inet_h
1002
    attribute_may_alias
1003
    attribute_packed
1004
    bswap
1005
    closesocket
1006
    cmov
1007
    conio_h
1008
    dcbzl
1009
    dev_bktr_ioctl_bt848_h
1010
    dev_bktr_ioctl_meteor_h
1011
    dev_ic_bt8xx_h
1012
    dev_video_meteor_ioctl_meteor_h
1013
    dev_video_bktr_ioctl_bt848_h
1014
    dlfcn_h
1015
    dlopen
1016
    dos_paths
1017
    ebp_available
1018
    ebx_available
1019
    exp2
1020
    exp2f
1021
    fast_64bit
1022
    fast_clz
1023
    fast_cmov
1024
    fast_unaligned
1025
    fork
1026
    getaddrinfo
1027
    gethrtime
1028
    GetProcessTimes
1029
    getrusage
1030
    inet_aton
1031
    inline_asm
1032
    isatty
1033
    ldbrx
1034
    libdc1394_1
1035
    libdc1394_2
1036
    llrint
1037
    log2
1038
    log2f
1039
    loongson
1040
    lrint
1041
    lrintf
1042
    lzo1x_999_compress
1043
    machine_ioctl_bt848_h
1044
    machine_ioctl_meteor_h
1045
    malloc_h
1046
    memalign
1047
    mkstemp
1048
    pld
1049
    posix_memalign
1050
    round
1051
    roundf
1052
    sdl
1053
    sdl_video_size
1054
    setmode
1055
    socklen_t
1056
    soundcard_h
1057
    poll_h
1058
    setrlimit
1059
    struct_addrinfo
1060
    struct_ipv6_mreq
1061
    struct_sockaddr_in6
1062
    struct_sockaddr_sa_len
1063
    struct_sockaddr_storage
1064
    sys_mman_h
1065
    sys_resource_h
1066
    sys_select_h
1067
    sys_soundcard_h
1068
    sys_videoio_h
1069
    ten_operands
1070
    termios_h
1071
    threads
1072
    truncf
1073
    vfp_args
1074
    VirtualAlloc
1075
    winsock2_h
1076
    xform_asm
1077
    yasm
1078
"
1079

    
1080
# options emitted with CONFIG_ prefix but not available on command line
1081
CONFIG_EXTRA="
1082
    avutil
1083
    gplv3
1084
    lgplv3
1085
"
1086

    
1087
CMDLINE_SELECT="
1088
    $ARCH_EXT_LIST
1089
    $CONFIG_LIST
1090
    $THREADS_LIST
1091
    asm
1092
    cross_compile
1093
    debug
1094
    extra_warnings
1095
    logging
1096
    optimizations
1097
    stripping
1098
    yasm
1099
"
1100

    
1101
PATHS_LIST='
1102
    bindir
1103
    datadir
1104
    incdir
1105
    libdir
1106
    mandir
1107
    prefix
1108
    shlibdir
1109
'
1110

    
1111
CMDLINE_SET="
1112
    $PATHS_LIST
1113
    arch
1114
    as
1115
    build_suffix
1116
    cc
1117
    cpu
1118
    cross_prefix
1119
    dep_cc
1120
    extra_version
1121
    host_cc
1122
    host_cflags
1123
    host_ldflags
1124
    host_libs
1125
    host_os
1126
    ld
1127
    logfile
1128
    malloc_prefix
1129
    nm
1130
    source_path
1131
    sysinclude
1132
    sysroot
1133
    target_exec
1134
    target_os
1135
    target_path
1136
"
1137

    
1138
CMDLINE_APPEND="
1139
    extra_cflags
1140
"
1141

    
1142
# code dependency declarations
1143

    
1144
# architecture extensions
1145

    
1146
armv5te_deps="arm"
1147
armv6_deps="arm"
1148
armv6t2_deps="arm"
1149
armvfp_deps="arm"
1150
iwmmxt_deps="arm"
1151
neon_deps="arm"
1152

    
1153
mmi_deps="mips"
1154

    
1155
altivec_deps="ppc"
1156
ppc4xx_deps="ppc"
1157

    
1158
vis_deps="sparc"
1159

    
1160
x86_64_suggest="cmov fast_cmov"
1161
amd3dnow_deps="mmx"
1162
amd3dnowext_deps="amd3dnow"
1163
mmx_deps="x86"
1164
mmx2_deps="mmx"
1165
sse_deps="mmx"
1166
ssse3_deps="sse"
1167

    
1168
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1169
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1170
fast_unaligned_if_any="armv6 ppc x86"
1171

    
1172
need_memalign="altivec neon sse"
1173
inline_asm_deps="!tms470"
1174

    
1175
# subsystems
1176
mdct_select="fft"
1177
rdft_select="fft"
1178

    
1179
# decoders / encoders / hardware accelerators
1180
aac_decoder_select="mdct aac_parser"
1181
aac_encoder_select="mdct"
1182
ac3_decoder_select="mdct ac3_parser"
1183
alac_encoder_select="lpc"
1184
atrac3_decoder_select="mdct"
1185
binkaudio_dct_decoder_select="mdct rdft dct"
1186
binkaudio_rdft_decoder_select="mdct rdft"
1187
cavs_decoder_select="golomb"
1188
cook_decoder_select="mdct"
1189
cscd_decoder_suggest="zlib"
1190
dca_decoder_select="mdct"
1191
dnxhd_encoder_select="aandct"
1192
dxa_decoder_select="zlib"
1193
eac3_decoder_select="ac3_decoder"
1194
eamad_decoder_select="aandct"
1195
eatgq_decoder_select="aandct"
1196
eatqi_decoder_select="aandct"
1197
ffv1_decoder_select="golomb"
1198
flac_decoder_select="golomb"
1199
flac_encoder_select="golomb lpc"
1200
flashsv_decoder_select="zlib"
1201
flashsv_encoder_select="zlib"
1202
flv_decoder_select="h263_decoder"
1203
flv_encoder_select="h263_encoder"
1204
h261_encoder_select="aandct"
1205
h263_decoder_select="h263_parser"
1206
h263_encoder_select="aandct"
1207
h263_vaapi_hwaccel_deps="va_va_h"
1208
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1209
h263i_decoder_select="h263_decoder"
1210
h263p_encoder_select="h263_encoder"
1211
h264_decoder_select="golomb"
1212
h264_dxva2_hwaccel_deps="dxva2api_h"
1213
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1214
h264_vaapi_hwaccel_deps="va_va_h"
1215
h264_vaapi_hwaccel_select="vaapi"
1216
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1217
h264_vdpau_decoder_select="vdpau h264_decoder"
1218
imc_decoder_select="fft mdct"
1219
jpegls_decoder_select="golomb"
1220
jpegls_encoder_select="golomb"
1221
ljpeg_encoder_select="aandct"
1222
loco_decoder_select="golomb"
1223
mjpeg_encoder_select="aandct"
1224
mlp_decoder_select="mlp_parser"
1225
mpeg1video_encoder_select="aandct"
1226
mpeg2video_encoder_select="aandct"
1227
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1228
mpeg4_encoder_select="h263_encoder"
1229
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1230
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1231
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1232
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1233
mpeg2_vaapi_hwaccel_deps="va_va_h"
1234
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1235
mpeg4_vaapi_hwaccel_deps="va_va_h"
1236
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1237
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1238
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1239
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1240
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1241
msmpeg4v1_decoder_select="h263_decoder"
1242
msmpeg4v1_encoder_select="h263_encoder"
1243
msmpeg4v2_decoder_select="h263_decoder"
1244
msmpeg4v2_encoder_select="h263_encoder"
1245
msmpeg4v3_decoder_select="h263_decoder"
1246
msmpeg4v3_encoder_select="h263_encoder"
1247
nellymoser_decoder_select="mdct"
1248
nellymoser_encoder_select="mdct"
1249
png_decoder_select="zlib"
1250
png_encoder_select="zlib"
1251
qdm2_decoder_select="mdct rdft"
1252
rv10_decoder_select="h263_decoder"
1253
rv10_encoder_select="h263_encoder"
1254
rv20_decoder_select="h263_decoder"
1255
rv20_encoder_select="h263_encoder"
1256
rv30_decoder_select="golomb"
1257
rv40_decoder_select="golomb"
1258
shorten_decoder_select="golomb"
1259
sonic_decoder_select="golomb"
1260
sonic_encoder_select="golomb"
1261
sonic_ls_encoder_select="golomb"
1262
svq3_decoder_select="golomb"
1263
svq3_decoder_suggest="zlib"
1264
theora_decoder_select="vp3_decoder"
1265
tiff_decoder_suggest="zlib"
1266
tiff_encoder_suggest="zlib"
1267
truehd_decoder_select="mlp_decoder"
1268
tscc_decoder_select="zlib"
1269
vc1_decoder_select="h263_decoder"
1270
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1271
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1272
vc1_vaapi_hwaccel_deps="va_va_h"
1273
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1274
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1275
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1276
vorbis_decoder_select="mdct"
1277
vorbis_encoder_select="mdct"
1278
vp6a_decoder_select="vp6_decoder"
1279
vp6f_decoder_select="vp6_decoder"
1280
wmav1_decoder_select="mdct"
1281
wmav1_encoder_select="mdct"
1282
wmav2_decoder_select="mdct"
1283
wmav2_encoder_select="mdct"
1284
wmv1_decoder_select="h263_decoder"
1285
wmv1_encoder_select="h263_encoder"
1286
wmv2_decoder_select="h263_decoder"
1287
wmv2_encoder_select="h263_encoder"
1288
wmv3_decoder_select="vc1_decoder"
1289
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1290
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1291
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1292
zlib_decoder_select="zlib"
1293
zlib_encoder_select="zlib"
1294
zmbv_decoder_select="zlib"
1295
zmbv_encoder_select="zlib"
1296

    
1297
# parsers
1298
h264_parser_select="golomb"
1299

    
1300
# bitstream_filters
1301
aac_adtstoasc_bsf_select="aac_parser"
1302

    
1303
# external libraries
1304
libdirac_decoder_deps="libdirac !libschroedinger"
1305
libdirac_encoder_deps="libdirac"
1306
libfaac_encoder_deps="libfaac"
1307
libfaad_decoder_deps="libfaad"
1308
libfaadbin_decoder_extralibs='$ldl'
1309
libgsm_decoder_deps="libgsm"
1310
libgsm_encoder_deps="libgsm"
1311
libgsm_ms_decoder_deps="libgsm"
1312
libgsm_ms_encoder_deps="libgsm"
1313
libmp3lame_encoder_deps="libmp3lame"
1314
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1315
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1316
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1317
libopenjpeg_decoder_deps="libopenjpeg"
1318
libschroedinger_decoder_deps="libschroedinger"
1319
libschroedinger_encoder_deps="libschroedinger"
1320
libspeex_decoder_deps="libspeex"
1321
libtheora_encoder_deps="libtheora"
1322
libvorbis_encoder_deps="libvorbis"
1323
libx264_encoder_deps="libx264"
1324
libxvid_encoder_deps="libxvid"
1325

    
1326
# demuxers / muxers
1327
ac3_demuxer_deps="ac3_parser"
1328
asf_stream_muxer_select="asf_muxer"
1329
avisynth_demuxer_deps="avisynth"
1330
dirac_demuxer_deps="dirac_parser"
1331
eac3_demuxer_select="ac3_parser"
1332
ipod_muxer_select="mov_muxer"
1333
libnut_demuxer_deps="libnut"
1334
libnut_muxer_deps="libnut"
1335
matroska_audio_muxer_select="matroska_muxer"
1336
matroska_demuxer_suggest="zlib bzlib"
1337
mov_demuxer_suggest="zlib"
1338
mp3_demuxer_deps="mpegaudio_parser"
1339
mp4_muxer_select="mov_muxer"
1340
mpegtsraw_demuxer_select="mpegts_demuxer"
1341
mxf_d10_muxer_select="mxf_muxer"
1342
ogg_demuxer_select="golomb"
1343
psp_muxer_select="mov_muxer"
1344
rtsp_demuxer_deps="sdp_demuxer"
1345
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1346
spdif_muxer_select="aac_parser"
1347
tg2_muxer_select="mov_muxer"
1348
tgp_muxer_select="mov_muxer"
1349
w64_demuxer_deps="wav_demuxer"
1350

    
1351
# indevs / outdevs
1352
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1353
alsa_indev_extralibs="-lasound"
1354
alsa_outdev_deps="alsa_asoundlib_h"
1355
alsa_outdev_extralibs="-lasound"
1356
audio_beos_indev_deps="audio_beos"
1357
audio_beos_indev_extralibs="-lmedia -lbe"
1358
audio_beos_outdev_deps="audio_beos"
1359
audio_beos_outdev_extralibs="-lmedia -lbe"
1360
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1361
dv1394_indev_deps="dv1394 dv_demuxer"
1362
jack_indev_deps="jack_jack_h"
1363
jack_indev_extralibs="-ljack"
1364
libdc1394_indev_deps="libdc1394"
1365
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1366
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1367
v4l_indev_deps="linux_videodev_h"
1368
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1369
vfwcap_indev_deps="capCreateCaptureWindow"
1370
vfwcap_indev_extralibs="-lavicap32"
1371
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1372
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1373

    
1374
# protocols
1375
gopher_protocol_deps="network"
1376
http_protocol_deps="network"
1377
rtmp_protocol_deps="tcp_protocol"
1378
rtp_protocol_deps="udp_protocol"
1379
tcp_protocol_deps="network"
1380
udp_protocol_deps="network"
1381

    
1382
# filters
1383
movie_filter_deps="avfilter_lavf"
1384
avfilter_lavf_deps="avformat"
1385

    
1386
# libraries
1387
avdevice_deps="avcodec avformat"
1388
avformat_deps="avcodec"
1389

    
1390
# programs
1391
ffmpeg_deps="avcodec avformat swscale"
1392
ffplay_deps="avcodec avformat swscale sdl"
1393
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1394
ffserver_extralibs='$ldl'
1395

    
1396
doc_deps="texi2html"
1397

    
1398
# default parameters
1399

    
1400
logfile="config.err"
1401

    
1402
# installation paths
1403
prefix_default="/usr/local"
1404
bindir_default='${prefix}/bin'
1405
datadir_default='${prefix}/share/ffmpeg'
1406
incdir_default='${prefix}/include'
1407
libdir_default='${prefix}/lib'
1408
mandir_default='${prefix}/share/man'
1409
shlibdir_default="$libdir_default"
1410

    
1411
# toolchain
1412
ar="ar"
1413
cc_default="gcc"
1414
cc_version=\"unknown\"
1415
host_cc_default="gcc"
1416
ln_s="ln -sf"
1417
nm_default="nm"
1418
objformat="elf"
1419
ranlib="ranlib"
1420
strip="strip"
1421
yasmexe="yasm"
1422

    
1423
nm_opts='-g'
1424

    
1425
# machine
1426
arch=$(uname -m)
1427
cpu="generic"
1428

    
1429
# OS
1430
target_os=$(tolower $(uname -s))
1431
host_os=$target_os
1432

    
1433
# configurable options
1434
enable avcodec
1435
enable avdevice
1436
enable avformat
1437
enable avutil
1438
enable asm
1439
enable debug
1440
enable doc
1441
enable fastdiv
1442
enable ffmpeg
1443
enable ffplay
1444
enable ffserver
1445
enable mpegaudio_hp
1446
enable network
1447
enable optimizations
1448
enable protocols
1449
enable static
1450
enable stripping
1451
enable swscale
1452
enable swscale_alpha
1453

    
1454
# build settings
1455
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1456
FFSERVERLDFLAGS=-Wl,-E
1457
LIBPREF="lib"
1458
LIBSUF=".a"
1459
FULLNAME='$(NAME)$(BUILDSUF)'
1460
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1461
SLIBPREF="lib"
1462
SLIBSUF=".so"
1463
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1464
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1465
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1466
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1467

    
1468
CC_O='-o $@'
1469

    
1470
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1471
host_libs='-lm'
1472

    
1473
target_path='$(CURDIR)'
1474

    
1475
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1476
# full relative path for objects in subdirectories for non-recursive Make.
1477
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1478
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1479

    
1480
# find source path
1481
source_path="$(dirname "$0")"
1482
enable source_path_used
1483
if test -f configure; then
1484
    source_path="$(pwd)"
1485
    disable source_path_used
1486
else
1487
    source_path="$(cd "$source_path"; pwd)"
1488
    echo "$source_path" | grep -q '[[:blank:]]' &&
1489
        die "Out of tree builds are impossible with whitespace in source path."
1490
    test -e "$source_path/config.h" &&
1491
        die "Out of tree builds are impossible with config.h in source dir."
1492
fi
1493

    
1494
for v in "$@"; do
1495
    r=${v#*=}
1496
    l=${v%"$r"}
1497
    r=$(sh_quote "$r")
1498
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1499
done
1500

    
1501
find_things(){
1502
    thing=$1
1503
    pattern=$2
1504
    file=$source_path/$3
1505
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1506
}
1507

    
1508
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1509
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1510
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1511
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1512
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1513
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1514
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1515
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1516
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1517
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1518
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1519

    
1520
enable $ARCH_EXT_LIST \
1521
       $DECODER_LIST \
1522
       $ENCODER_LIST \
1523
       $HWACCEL_LIST \
1524
       $PARSER_LIST \
1525
       $BSF_LIST \
1526
       $DEMUXER_LIST \
1527
       $MUXER_LIST \
1528
       $FILTER_LIST \
1529
       $PROTOCOL_LIST \
1530
       $INDEV_LIST \
1531
       $OUTDEV_LIST \
1532

    
1533
die_unknown(){
1534
    echo "Unknown option \"$1\"."
1535
    echo "See $0 --help for available options."
1536
    exit 1
1537
}
1538

    
1539
show_list() {
1540
    suffix=_$1
1541
    shift
1542
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1543
    exit 0
1544
}
1545

    
1546
for opt do
1547
    optval="${opt#*=}"
1548
    case "$opt" in
1549
    --extra-ldflags=*) add_ldflags $optval
1550
    ;;
1551
    --extra-libs=*) add_extralibs $optval
1552
    ;;
1553
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1554
    ;;
1555
    --enable-debug=*) debuglevel="$optval"
1556
    ;;
1557
    --enable-*=*|--disable-*=*)
1558
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1559
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1560
    eval list=\$$(toupper $thing)_LIST
1561
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1562
    $action $(filter "$name" $list)
1563
    ;;
1564
    --enable-?*|--disable-?*)
1565
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1566
    if is_in $option $COMPONENT_LIST; then
1567
        test $action = disable && action=unset
1568
        eval $action \$$(toupper ${option%s})_LIST
1569
    elif is_in $option $CMDLINE_SELECT; then
1570
        $action $option
1571
    else
1572
        die_unknown $opt
1573
    fi
1574
    ;;
1575
    --list-*)
1576
        NAME="${opt#--list-}"
1577
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1578
        NAME=${NAME%s}
1579
        eval show_list $NAME \$$(toupper $NAME)_LIST
1580
    ;;
1581
    --help|-h) show_help
1582
    ;;
1583
    *)
1584
    optname="${opt%%=*}"
1585
    optname="${optname#--}"
1586
    optname=$(echo "$optname" | sed 's/-/_/g')
1587
    if is_in $optname $CMDLINE_SET; then
1588
        eval $optname='$optval'
1589
    elif is_in $optname $CMDLINE_APPEND; then
1590
        append $optname "$optval"
1591
    else
1592
         die_unknown $opt
1593
    fi
1594
    ;;
1595
    esac
1596
done
1597

    
1598
disabled logging && logfile=/dev/null
1599

    
1600
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1601
set >> $logfile
1602

    
1603
test -n "$cross_prefix" && enable cross_compile
1604

    
1605
ar="${cross_prefix}${ar}"
1606
cc_default="${cross_prefix}${cc_default}"
1607
nm_default="${cross_prefix}${nm_default}"
1608
ranlib="${cross_prefix}${ranlib}"
1609
strip="${cross_prefix}${strip}"
1610

    
1611
sysinclude_default="${sysroot}/usr/include"
1612

    
1613
set_default cc nm sysinclude
1614
enabled cross_compile || host_cc_default=$cc
1615
set_default host_cc
1616

    
1617
exesuf() {
1618
    case $1 in
1619
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1620
    esac
1621
}
1622

    
1623
EXESUF=$(exesuf $target_os)
1624
HOSTEXESUF=$(exesuf $host_os)
1625

    
1626
# set temporary file name
1627
: ${TMPDIR:=$TEMPDIR}
1628
: ${TMPDIR:=$TMP}
1629
: ${TMPDIR:=/tmp}
1630

    
1631
if ! check_cmd type mktemp; then
1632
    # simple replacement for missing mktemp
1633
    # NOT SAFE FOR GENERAL USE
1634
    mktemp(){
1635
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1636
    }
1637
fi
1638

    
1639
tmpfile(){
1640
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1641
        (set -C; exec > $tmp) 2>/dev/null ||
1642
        die "Unable to create temporary file in $TMPDIR."
1643
    append TMPFILES $tmp
1644
    eval $1=$tmp
1645
}
1646

    
1647
trap 'rm -f -- $TMPFILES' EXIT
1648
trap exit HUP INT TERM
1649

    
1650
tmpfile TMPC  .c
1651
tmpfile TMPE  $EXESUF
1652
tmpfile TMPH  .h
1653
tmpfile TMPO  .o
1654
tmpfile TMPS  .S
1655
tmpfile TMPV  .ver
1656
tmpfile TMPSH .sh
1657

    
1658
unset -f mktemp
1659

    
1660
# make sure we can execute files in $TMPDIR
1661
cat > $TMPSH 2>> $logfile <<EOF
1662
#! /bin/sh
1663
EOF
1664
chmod +x $TMPSH >> $logfile 2>&1
1665
if ! $TMPSH >> $logfile 2>&1; then
1666
    cat <<EOF
1667
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1668
variable to another directory and make sure that it is not mounted noexec.
1669
EOF
1670
    die "Sanity test failed."
1671
fi
1672

    
1673
filter_cflags=echo
1674
filter_cppflags=echo
1675
filter_asflags=echo
1676

    
1677
if   $cc -v 2>&1 | grep -qi ^gcc; then
1678
    cc_type=gcc
1679
    cc_version=__VERSION__
1680
    if ! $cc -dumpversion | grep -q '^2\.'; then
1681
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1682
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1683
    fi
1684
    speed_cflags='-O3'
1685
    size_cflags='-Os'
1686
elif $cc --version 2>/dev/null | grep -q Intel; then
1687
    cc_type=icc
1688
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1689
    CC_DEPFLAGS='-MMD'
1690
    AS_DEPFLAGS='-MMD'
1691
    speed_cflags='-O3'
1692
    size_cflags='-Os'
1693
elif $cc -v 2>&1 | grep -q xlc; then
1694
    cc_type=xlc
1695
    cc_version="AV_STRINGIFY(__IBMC__)"
1696
    speed_cflags='-O5'
1697
    size_cflags='-O5 -qcompact'
1698
elif $cc -V 2>/dev/null | grep -q Compaq; then
1699
    cc_type=ccc
1700
    cc_version="AV_STRINGIFY(__DECC_VER)"
1701
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1702
    debuglevel=3
1703
    add_ldflags -Wl,-z,now # calls to libots crash without this
1704
    speed_cflags='-fast'
1705
    size_cflags='-O1'
1706
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1707
    test -d "$sysroot" || die "No valid sysroot specified."
1708
    cc_type=armcc
1709
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1710
    armcc_conf="$PWD/armcc.conf"
1711
    $cc --arm_linux_configure                 \
1712
        --arm_linux_config_file="$armcc_conf" \
1713
        --configure_sysroot="$sysroot"        \
1714
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1715
        die "Error creating armcc configuration file."
1716
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1717
    as_default="${cross_prefix}gcc"
1718
    CC_DEPFLAGS='-MMD'
1719
    AS_DEPFLAGS='-MMD'
1720
    speed_cflags='-O3'
1721
    size_cflags='-Os'
1722
elif $cc -version 2>/dev/null | grep -q TMS470; then
1723
    cc_type=tms470
1724
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1725
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1726
    CC_O='-fr=$(@D)'
1727
    as_default="${cross_prefix}gcc"
1728
    ld_default="${cross_prefix}gcc"
1729
    TMPO=$(basename $TMPC .c).o
1730
    append TMPFILES $TMPO
1731
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1732
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1733
    AS_DEPFLAGS='-MMD'
1734
    speed_cflags='-O3 -mf=5'
1735
    size_cflags='-O3 -mf=2'
1736
    filter_cflags=tms470_flags
1737
    tms470_flags(){
1738
        for flag; do
1739
            case $flag in
1740
                -march=*|-mcpu=*)
1741
                    case "${flag#*=}" in
1742
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1743
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1744
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1745
                        armv6*|arm11*)          echo -mv=6   ;;
1746
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1747
                                                echo -mv=5e  ;;
1748
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1749
                    esac
1750
                    ;;
1751
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1752
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1753
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1754
                -msoft-float)   echo --float_support=vfplib       ;;
1755
                -O[0-3]|-mf=*)  echo $flag                        ;;
1756
                -g)             echo -g -mn                       ;;
1757
                -pds=*)         echo $flag                        ;;
1758
            esac
1759
        done
1760
    }
1761
elif $cc -v 2>&1 | grep -q clang; then
1762
    cc_type=clang
1763
    cc_version=__VERSION__
1764
    CC_DEPFLAGS='-MMD'
1765
    AS_DEPFLAGS='-MMD'
1766
    speed_cflags='-O3'
1767
    size_cflags='-Os'
1768
elif $cc -V 2>&1 | grep -q Sun; then
1769
    cc_type=suncc
1770
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1771
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1772
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1773
    speed_cflags='-O5'
1774
    size_cflags='-O5 -xspace'
1775
    filter_cflags=suncc_flags
1776
    suncc_flags(){
1777
        for flag; do
1778
            case $flag in
1779
                -march=*|-mcpu=*)
1780
                    case "${flag#*=}" in
1781
                        native)                   echo -xtarget=native       ;;
1782
                        v9)                       echo -xarch=sparc          ;;
1783
                        ultrasparc)               echo -xarch=sparcvis       ;;
1784
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1785
                        i586|pentium)             echo -xchip=pentium        ;;
1786
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1787
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1788
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1789
                        pentium4*)          echo -xtarget=pentium4           ;;
1790
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1791
                        *-sse3)             echo -xarch=sse3                 ;;
1792
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1793
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1794
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1795
                        k8|opteron|athlon64|athlon-fx)
1796
                                                  echo -xarch=sse2a          ;;
1797
                        athlon*)                  echo -xarch=pentium_proa   ;;
1798
                    esac
1799
                    ;;
1800
                -std=c99)             echo -xc99              ;;
1801
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1802
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1803
                -W*,*)                echo $flag              ;;
1804
                -f*-*|-W*)                                    ;;
1805
                *)                    echo $flag              ;;
1806
            esac
1807
        done
1808
    }
1809
fi
1810

    
1811
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1812

    
1813
: ${as_default:=$cc}
1814
: ${dep_cc_default:=$cc}
1815
: ${ld_default:=$cc}
1816
set_default as dep_cc ld
1817

    
1818
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1819
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1820

    
1821
add_cflags $extra_cflags
1822
add_asflags $extra_cflags
1823

    
1824
if test -n "$sysroot"; then
1825
    case "$cc_type" in
1826
        gcc)
1827
            add_cppflags --sysroot="$sysroot"
1828
            add_ldflags --sysroot="$sysroot"
1829
        ;;
1830
        tms470)
1831
            add_cppflags -I"$sysinclude"
1832
            add_ldflags  --sysroot="$sysroot"
1833
        ;;
1834
        clang)
1835
            add_cppflags -isysroot="$sysroot"
1836
            add_ldflags -isysroot="$sysroot"
1837
        ;;
1838
    esac
1839
fi
1840

    
1841
if test "$cpu" = host; then
1842
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1843

    
1844
    case "$cc_type" in
1845
        gcc)
1846
            check_native(){
1847
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1848
                sed -n "/$1=/{
1849
                            s/.*$1=\\([^ ]*\\).*/\\1/
1850
                            p
1851
                            q
1852
                        }" $TMPE
1853
            }
1854
            cpu=$(check_native -march || check_native -mcpu)
1855
        ;;
1856
    esac
1857

    
1858
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1859
fi
1860

    
1861
# Deal with common $arch aliases
1862
case "$arch" in
1863
    arm*)
1864
        arch="arm"
1865
    ;;
1866
    mips|mipsel|IP*)
1867
        arch="mips"
1868
    ;;
1869
    mips64)
1870
        arch="mips"
1871
        subarch="mips64"
1872
    ;;
1873
    parisc|hppa)
1874
        arch="parisc"
1875
    ;;
1876
    parisc64|hppa64)
1877
        arch="parisc"
1878
        subarch="parisc64"
1879
    ;;
1880
    "Power Macintosh"|ppc|powerpc)
1881
        arch="ppc"
1882
    ;;
1883
    ppc64)
1884
        arch="ppc"
1885
        subarch="ppc64"
1886
    ;;
1887
    s390|s390x)
1888
        arch="s390"
1889
    ;;
1890
    sh4|sh)
1891
        arch="sh4"
1892
    ;;
1893
    sun4u|sparc64)
1894
        arch="sparc"
1895
        subarch="sparc64"
1896
    ;;
1897
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1898
        arch="x86"
1899
    ;;
1900
esac
1901

    
1902
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1903
enable $arch
1904

    
1905
# Add processor-specific flags
1906
if test "$cpu" = generic; then
1907
    : do nothing
1908
elif enabled ppc; then
1909

    
1910
    case $(tolower $cpu) in
1911
        601|ppc601|powerpc601)
1912
            cpuflags="-mcpu=601"
1913
            disable altivec
1914
        ;;
1915
        603*|ppc603*|powerpc603*)
1916
            cpuflags="-mcpu=603"
1917
            disable altivec
1918
        ;;
1919
        604*|ppc604*|powerpc604*)
1920
            cpuflags="-mcpu=604"
1921
            disable altivec
1922
        ;;
1923
        g3|75*|ppc75*|powerpc75*)
1924
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1925
            disable altivec
1926
        ;;
1927
        g4|745*|ppc745*|powerpc745*)
1928
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1929
        ;;
1930
        74*|ppc74*|powerpc74*)
1931
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1932
        ;;
1933
        g5|970|ppc970|powerpc970|power4*)
1934
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1935
        ;;
1936
        cell)
1937
            cpuflags="-mcpu=cell"
1938
            enable ldbrx
1939
        ;;
1940
        e500v2)
1941
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1942
            disable altivec
1943
        ;;
1944
        e500)
1945
            cpuflags="-mcpu=8540 -mhard-float"
1946
            disable altivec
1947
        ;;
1948
    esac
1949

    
1950
elif enabled x86; then
1951

    
1952
    case $cpu in
1953
        i[345]86|pentium)
1954
            cpuflags="-march=$cpu"
1955
            disable mmx
1956
        ;;
1957
        # targets that do NOT support conditional mov (cmov)
1958
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1959
            cpuflags="-march=$cpu"
1960
            disable cmov
1961
        ;;
1962
        # targets that do support conditional mov (cmov)
1963
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1964
            cpuflags="-march=$cpu"
1965
            enable cmov
1966
            enable fast_cmov
1967
        ;;
1968
        # targets that do support conditional mov but on which it's slow
1969
        pentium4|pentium4m|prescott|nocona)
1970
            cpuflags="-march=$cpu"
1971
            enable cmov
1972
            disable fast_cmov
1973
        ;;
1974
    esac
1975

    
1976
elif enabled sparc; then
1977

    
1978
    case $cpu in
1979
        sparc64)
1980
            cpuflags="-mcpu=v9"
1981
        ;;
1982
    esac
1983

    
1984
elif enabled arm; then
1985

    
1986
    case $cpu in
1987
        armv*)
1988
            cpuflags="-march=$cpu"
1989
        ;;
1990
        *)
1991
            cpuflags="-mcpu=$cpu"
1992
        ;;
1993
    esac
1994

    
1995
elif enabled alpha; then
1996

    
1997
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1998

    
1999
elif enabled bfin; then
2000

    
2001
    cpuflags="-mcpu=$cpu"
2002

    
2003
elif enabled mips; then
2004

    
2005
    cpuflags="-march=$cpu"
2006

    
2007
elif enabled avr32; then
2008

    
2009
    case $cpu in
2010
        ap7[02]0[0-2])
2011
            subarch="avr32_ap"
2012
            cpuflags="-mpart=$cpu"
2013
        ;;
2014
        ap)
2015
            subarch="avr32_ap"
2016
            cpuflags="-march=$cpu"
2017
        ;;
2018
        uc3[ab]*)
2019
            subarch="avr32_uc"
2020
            cpuflags="-mcpu=$cpu"
2021
        ;;
2022
        uc)
2023
            subarch="avr32_uc"
2024
            cpuflags="-march=$cpu"
2025
        ;;
2026
    esac
2027

    
2028
fi
2029

    
2030
add_cflags $cpuflags
2031
add_asflags $cpuflags
2032

    
2033
# compiler sanity check
2034
check_exec <<EOF
2035
int main(void){ return 0; }
2036
EOF
2037
if test "$?" != 0; then
2038
    echo "$cc is unable to create an executable file."
2039
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2040
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2041
        echo "Only do this if you know what cross compiling means."
2042
    fi
2043
    die "C compiler test failed."
2044
fi
2045

    
2046
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2047
check_cflags -std=c99
2048
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2049
#include <stdlib.h>
2050
EOF
2051
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2052
#include <stdlib.h>
2053
EOF
2054

    
2055
check_host_cflags -std=c99
2056

    
2057
case "$arch" in
2058
    alpha|ia64|mips|parisc|sparc)
2059
        spic=$shared
2060
    ;;
2061
    x86)
2062
        subarch="x86_32"
2063
        check_cc <<EOF && subarch="x86_64"
2064
        int test[(int)sizeof(char*) - 7];
2065
EOF
2066
        if test "$subarch" = "x86_64"; then
2067
            spic=$shared
2068
        fi
2069
    ;;
2070
esac
2071

    
2072
enable $subarch
2073
enabled spic && enable pic
2074
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2075

    
2076
# OS specific
2077
case $target_os in
2078
    beos|haiku|zeta)
2079
        prefix_default="$HOME/config"
2080
        # 3 gcc releases known for BeOS, each with ugly bugs
2081
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2082
        case "$gcc_version" in
2083
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2084
            disable mmx
2085
            ;;
2086
          *20010315*) echo "BeBits gcc"
2087
            add_cflags -fno-expensive-optimizations
2088
            ;;
2089
        esac
2090
        SHFLAGS=-nostart
2091
        # enable BeOS things
2092
        enable audio_beos
2093
        # no need for libm, but the inet stuff
2094
        # Check for BONE
2095
        # XXX: actually should check for NOT net_server
2096
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2097
            network_extralibs="-lbind -lsocket"
2098
        else
2099
            enable beos_netserver
2100
            network_extralibs="-lnet"
2101
        fi ;;
2102
    sunos)
2103
        FFSERVERLDFLAGS=""
2104
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2105
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2106
        network_extralibs="-lsocket -lnsl"
2107
        add_cppflags -D__EXTENSIONS__
2108
        nm_opts='-P -g'
2109
        ;;
2110
    netbsd)
2111
        oss_indev_extralibs="-lossaudio"
2112
        oss_outdev_extralibs="-lossaudio"
2113
        ;;
2114
    openbsd)
2115
        enable malloc_aligned
2116
        # On OpenBSD 4.5. the compiler does not use PIC unless
2117
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2118
        # however the generated executable will not do anything
2119
        # (simply quits with exit-code 1, no crash, no output).
2120
        # Thus explicitly enable PIC here.
2121
        enable pic
2122
        SHFLAGS='-shared'
2123
        oss_indev_extralibs="-lossaudio"
2124
        oss_outdev_extralibs="-lossaudio"
2125
        ;;
2126
    freebsd|dragonfly)
2127
        enable malloc_aligned
2128
        ;;
2129
    bsd/os)
2130
        osextralibs="-lpoll -lgnugetopt"
2131
        strip="strip -d"
2132
        ;;
2133
    darwin)
2134
        enable malloc_aligned
2135
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2136
        strip="strip -x"
2137
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2138
        SLIBSUF=".dylib"
2139
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2140
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2141
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2142
        objformat="macho"
2143
        enabled x86_64 && objformat="macho64"
2144
        enabled_any pic shared ||
2145
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2146
        ;;
2147
    mingw32*)
2148
        if test $target_os = "mingw32ce"; then
2149
            disable network
2150
        else
2151
            target_os=mingw32
2152
        fi
2153
        LIBTARGET=i386
2154
        if enabled x86_64; then
2155
            enable malloc_aligned
2156
            LIBTARGET=x64
2157
        elif enabled arm; then
2158
            LIBTARGET=arm
2159
        fi
2160
        shlibdir_default="$bindir_default"
2161
        disable ffserver
2162
        SLIBPREF=""
2163
        SLIBSUF=".dll"
2164
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2165
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2166
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2167
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2168
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2169
            install -d "$(LIBDIR)"; \
2170
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2171
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2172
        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'
2173
        objformat="win32"
2174
        enable dos_paths
2175
        check_cflags -fno-common
2176
        if ! enabled x86_64; then
2177
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2178
                die "ERROR: MinGW runtime version must be >= 3.15."
2179
            enabled_any avisynth vfwcap_indev &&
2180
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2181
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2182
        fi
2183
        ;;
2184
    cygwin*)
2185
        target_os=cygwin
2186
        shlibdir_default="$bindir_default"
2187
        SLIBPREF="cyg"
2188
        SLIBSUF=".dll"
2189
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2190
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2191
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2192
        objformat="win32"
2193
        enable dos_paths
2194
        check_cflags -fno-common
2195
        ;;
2196
    *-dos|freedos|opendos)
2197
        disable ffplay ffserver
2198
        disable $INDEV_LIST $OUTDEV_LIST
2199
        network_extralibs="-lsocket"
2200
        objformat="coff"
2201
        enable dos_paths
2202
        ;;
2203
    linux)
2204
        enable dv1394
2205
        ;;
2206
    irix*)
2207
        target_os=irix
2208
        ranlib="echo ignoring ranlib"
2209
        ;;
2210
    os/2*)
2211
        strip="lxlite"
2212
        ln_s="cp -f"
2213
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2214
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2215
        FFSERVERLDFLAGS=""
2216
        LIBSUF="_s.a"
2217
        SLIBPREF=""
2218
        SLIBSUF=".dll"
2219
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2220
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2221
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2222
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2223
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2224
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2225
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2226
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2227
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2228
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2229
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2230
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2231
        enable dos_paths
2232
        ;;
2233
    gnu/kfreebsd)
2234
        ;;
2235
    gnu)
2236
        ;;
2237
    none)
2238
        ;;
2239
    *)
2240
        die "Unknown OS '$target_os'."
2241
        ;;
2242
esac
2243

    
2244
set_default $PATHS_LIST
2245

    
2246
add_extralibs $osextralibs
2247

    
2248
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2249
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2250

    
2251
# we need to build at least one lib type
2252
if ! enabled_any static shared; then
2253
    cat <<EOF
2254
At least one library type must be built.
2255
Specify --enable-static to build the static libraries or --enable-shared to
2256
build the shared libraries as well. To only build the shared libraries specify
2257
--disable-static in addition to --enable-shared.
2258
EOF
2259
    exit 1;
2260
fi
2261

    
2262
disabled static && LIBNAME=""
2263

    
2264
if enabled_any libfaad libfaadbin ; then
2265
    if check_header faad.h; then
2266
        check_cc <<EOF
2267
#include <faad.h>
2268
#ifndef FAAD2_VERSION
2269
ok faad1
2270
#endif
2271
int main(void) { return 0; }
2272
EOF
2273
        test $? = 0 && enable libfaad2
2274
    else
2275
        die "FAAD test failed."
2276
    fi
2277
fi
2278

    
2279

    
2280
die_license_disabled() {
2281
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2282
}
2283

    
2284
die_license_disabled gpl libfaad2
2285
die_license_disabled gpl libx264
2286
die_license_disabled gpl libxvid
2287
die_license_disabled gpl postproc
2288
die_license_disabled gpl x11grab
2289

    
2290
die_license_disabled nonfree libfaac
2291

    
2292
die_license_disabled version3 libopencore_amrnb
2293
die_license_disabled version3 libopencore_amrwb
2294

    
2295
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2296

    
2297
check_deps $ARCH_EXT_LIST
2298

    
2299
disabled optimizations || check_cflags -fomit-frame-pointer
2300

    
2301
enable_pic() {
2302
    enable pic
2303
    add_cppflags -DPIC
2304
    add_cflags   -fPIC
2305
    add_asflags  -fPIC
2306
}
2307

    
2308
enabled pic && enable_pic
2309

    
2310
check_cc <<EOF || die "Symbol mangling check failed."
2311
int ff_extern;
2312
EOF
2313
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2314
extern_prefix=${sym%%ff_extern*}
2315

    
2316
check_cc <<EOF && enable inline_asm
2317
void foo(void) { __asm__ volatile ("" ::); }
2318
EOF
2319

    
2320
_restrict=
2321
for restrict_keyword in restrict __restrict__ __restrict; do
2322
    check_cc <<EOF && _restrict=$restrict_keyword && break
2323
void foo(char * $restrict_keyword p);
2324
EOF
2325
done
2326

    
2327
check_cc <<EOF && enable attribute_packed
2328
struct { int x; } __attribute__((packed)) x;
2329
EOF
2330

    
2331
check_cc <<EOF && enable attribute_may_alias
2332
union { int x; } __attribute__((may_alias)) x;
2333
EOF
2334

    
2335
check_cc <<EOF || die "endian test failed"
2336
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2337
EOF
2338
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2339

    
2340
if enabled alpha; then
2341

    
2342
    check_cflags -mieee
2343

    
2344
elif enabled arm; then
2345

    
2346
    check_cflags -marm
2347

    
2348
    check_ld <<EOF && enable vfp_args
2349
__asm__ (".eabi_attribute 28, 1");
2350
int main(void) { return 0; }
2351
EOF
2352

    
2353
    # We have to check if pld is a nop and disable it.
2354
    check_asm pld '"pld [r0]"'
2355

    
2356
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2357
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2358
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2359
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2360
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2361
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2362

    
2363
    enabled_all armv6t2 shared !pic && enable_pic
2364

    
2365
elif enabled ia64; then
2366

    
2367
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2368
    enabled shared && enable_weak hardcoded_tables
2369

    
2370
elif enabled mips; then
2371

    
2372
    check_asm loongson '"dmult.g $1, $2, $3"'
2373
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2374

    
2375
elif enabled ppc; then
2376

    
2377
    check_asm dcbzl     '"dcbzl 0, 1"'
2378
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2379
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2380

    
2381
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2382
    if enabled altivec; then
2383
        check_cflags -maltivec -mabi=altivec &&
2384
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2385
        check_cflags -faltivec
2386

    
2387
        # check if our compiler supports Motorola AltiVec C API
2388
        check_cc <<EOF || disable altivec
2389
$inc_altivec_h
2390
int main(void) {
2391
    vector signed int v1, v2, v3;
2392
    v1 = vec_add(v2,v3);
2393
    return 0;
2394
}
2395
EOF
2396

    
2397
        # check if our compiler supports braces for vector declarations
2398
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2399
$inc_altivec_h
2400
int main (void) { (vector int) {1}; return 0; }
2401
EOF
2402
    fi
2403

    
2404
elif enabled sparc; then
2405

    
2406
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2407
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2408

    
2409
elif enabled x86; then
2410

    
2411
    # check whether EBP is available on x86
2412
    # As 'i' is stored on the stack, this program will crash
2413
    # if the base pointer is used to access it because the
2414
    # base pointer is cleared in the inline assembly code.
2415
    check_exec_crash <<EOF && enable ebp_available
2416
    volatile int i=0;
2417
    __asm__ volatile (
2418
        "xorl %%ebp, %%ebp"
2419
    ::: "%ebp");
2420
    return i;
2421
EOF
2422

    
2423
    # check whether EBX is available on x86
2424
    check_asm ebx_available '""::"b"(0)' &&
2425
        check_asm ebx_available '"":::"%ebx"'
2426

    
2427
    # check whether more than 10 operands are supported
2428
    check_cc <<EOF && enable ten_operands
2429
int main(void) {
2430
    int x=0;
2431
    __asm__ volatile(
2432
        ""
2433
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2434
    );
2435
    return 0;
2436
}
2437
EOF
2438

    
2439
    # check whether binutils is new enough to compile SSSE3/MMX2
2440
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2441
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2442

    
2443
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2444

    
2445
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2446
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2447
    enabled     pic           && append YASMFLAGS "-DPIC"
2448
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2449
    case "$objformat" in
2450
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2451
    esac
2452
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2453

    
2454
    case "$cpu" in
2455
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2456
            disable fast_clz
2457
        ;;
2458
    esac
2459

    
2460
fi
2461

    
2462
if check_func dlopen; then
2463
    ldl=
2464
elif check_func dlopen -ldl; then
2465
    ldl=-ldl
2466
fi
2467

    
2468
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2469
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2470

    
2471
check_func  fork
2472
check_func  getaddrinfo $network_extralibs
2473
check_func  gethrtime
2474
check_func  getrusage
2475
check_func  inet_aton $network_extralibs
2476
check_func  isatty
2477
check_func  ${malloc_prefix}memalign            && enable memalign
2478
check_func  mkstemp
2479
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2480
check_func  setrlimit
2481
check_func_headers io.h setmode
2482
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2483
check_func_headers windows.h GetProcessTimes
2484
check_func_headers windows.h VirtualAlloc
2485

    
2486
check_header conio.h
2487
check_header dlfcn.h
2488
check_header dxva2api.h
2489
check_header malloc.h
2490
check_header poll.h
2491
check_header sys/mman.h
2492
check_header sys/resource.h
2493
check_header sys/select.h
2494
check_header termios.h
2495
check_header vdpau/vdpau.h
2496
check_header vdpau/vdpau_x11.h
2497
check_header X11/extensions/XvMClib.h
2498

    
2499
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2500

    
2501
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2502
     enabled_any $need_memalign ; then
2503
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2504
fi
2505

    
2506
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2507
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2508

    
2509
# check for some common methods of building with pthread support
2510
# do this before the optional library checks as some of them require pthreads
2511
if enabled pthreads; then
2512
    if check_func pthread_create; then
2513
        :
2514
    elif check_func pthread_create -pthread; then
2515
        add_cflags -pthread
2516
        add_extralibs -pthread
2517
    elif check_func pthread_create -pthreads; then
2518
        add_cflags -pthreads
2519
        add_extralibs -pthreads
2520
    elif check_func pthread_create -lpthreadGC2; then
2521
        add_extralibs -lpthreadGC2
2522
    elif ! check_lib pthread.h pthread_create -lpthread; then
2523
        die "ERROR: can't find pthreads library"
2524
    fi
2525
fi
2526

    
2527
for thread in $THREADS_LIST; do
2528
    if enabled $thread; then
2529
        test -n "$thread_type" &&
2530
            die "ERROR: Only one thread type must be selected." ||
2531
            thread_type="$thread"
2532
    fi
2533
done
2534

    
2535
check_lib math.h sin -lm
2536
check_lib va/va.h vaInitialize -lva
2537

    
2538
check_mathfunc exp2
2539
check_mathfunc exp2f
2540
check_mathfunc llrint
2541
check_mathfunc log2
2542
check_mathfunc log2f
2543
check_mathfunc lrint
2544
check_mathfunc lrintf
2545
check_mathfunc round
2546
check_mathfunc roundf
2547
check_mathfunc truncf
2548

    
2549
# these are off by default, so fail if requested and not available
2550
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2551
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2552
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2553
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2554
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2555
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2556
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2557
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2558
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2559
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2560
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2561
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2562
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2563
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2564
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2565
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2566
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2567
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2568
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2569
                        die "ERROR: libx264 version must be >= 0.83."; }
2570
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2571
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2572

    
2573
# libdc1394 check
2574
if enabled libdc1394; then
2575
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2576
        enable libdc1394_2; } ||
2577
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2578
        enable libdc1394_1; } ||
2579
    die "ERROR: No version of libdc1394 found "
2580
fi
2581

    
2582
SDL_CONFIG="${cross_prefix}sdl-config"
2583
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2584
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2585
    sdl_libs=$("${SDL_CONFIG}" --libs)
2586
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2587
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2588
    enable sdl &&
2589
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2590
fi
2591

    
2592
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2593

    
2594
if enabled network; then
2595
    check_type "sys/types.h sys/socket.h" socklen_t
2596
    check_type netdb.h "struct addrinfo"
2597
    check_type netinet/in.h "struct ipv6_mreq"
2598
    check_type netinet/in.h "struct sockaddr_in6"
2599
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2600
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2601
    # Prefer arpa/inet.h over winsock2
2602
    if check_header arpa/inet.h ; then
2603
        check_func closesocket
2604
    elif check_header winsock2.h ; then
2605
        check_func_headers winsock2.h closesocket -lws2 && \
2606
            network_extralibs="-lws2" || \
2607
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2608
            network_extralibs="-lws2_32"; }
2609
        check_type ws2tcpip.h socklen_t
2610
        check_type ws2tcpip.h "struct addrinfo"
2611
        check_type ws2tcpip.h "struct ipv6_mreq"
2612
        check_type ws2tcpip.h "struct sockaddr_in6"
2613
        check_type ws2tcpip.h "struct sockaddr_storage"
2614
        check_struct winsock2.h "struct sockaddr" sa_len
2615
    else
2616
        disable network
2617
    fi
2618
fi
2619

    
2620
check_header linux/videodev.h
2621
check_header linux/videodev2.h
2622
check_header sys/videoio.h
2623

    
2624
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2625

    
2626
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2627
{ check_header dev/bktr/ioctl_meteor.h &&
2628
  check_header dev/bktr/ioctl_bt848.h; } ||
2629
{ check_header machine/ioctl_meteor.h &&
2630
  check_header machine/ioctl_bt848.h; } ||
2631
{ check_header dev/video/meteor/ioctl_meteor.h &&
2632
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2633
check_header dev/ic/bt8xx.h
2634

    
2635
check_header sys/soundcard.h
2636
check_header soundcard.h
2637

    
2638
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2639

    
2640
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2641

    
2642
enabled x11grab                         &&
2643
check_header X11/Xlib.h                 &&
2644
check_header X11/extensions/XShm.h      &&
2645
check_header X11/extensions/Xfixes.h    &&
2646
check_func XOpenDisplay -lX11           &&
2647
check_func XShmCreateImage -lX11 -lXext &&
2648
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2649

    
2650
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2651
check_cpp_condition \
2652
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2653
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2654
      disable vdpau; }
2655
fi
2656

    
2657
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2658

    
2659
# add some useful compiler flags if supported
2660
check_cflags -Wdeclaration-after-statement
2661
check_cflags -Wall
2662
check_cflags -Wno-switch
2663
check_cflags -Wdisabled-optimization
2664
check_cflags -Wpointer-arith
2665
check_cflags -Wredundant-decls
2666
check_cflags -Wno-pointer-sign
2667
check_cflags -Wcast-qual
2668
check_cflags -Wwrite-strings
2669
check_cflags -Wtype-limits
2670
check_cflags -Wundef
2671
enabled extra_warnings && check_cflags -Winline
2672

    
2673
# add some linker flags
2674
check_ldflags -Wl,--warn-common
2675
check_ldflags -Wl,--as-needed
2676
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'
2677
check_ldflags -Wl,-Bsymbolic
2678

    
2679
echo "X{};" > $TMPV
2680
test_ldflags -Wl,--version-script,$TMPV &&
2681
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2682

    
2683
if enabled small; then
2684
    add_cflags $size_cflags
2685
    optimizations="small"
2686
elif enabled optimizations; then
2687
    add_cflags $speed_cflags
2688
fi
2689
check_cflags -fno-math-errno
2690
check_cflags -fno-signed-zeros
2691

    
2692
if enabled icc; then
2693
    # Just warnings, no remarks
2694
    check_cflags -w1
2695
    # -wd: Disable following warnings
2696
    # 144, 167, 556: -Wno-pointer-sign
2697
    # 10006: ignoring unknown option -fno-signed-zeros
2698
    # 10156: ignoring option '-W'; no argument required
2699
    check_cflags -wd144,167,556,10006,10156
2700
    # 11030: Warning unknown option --as-needed
2701
    # 10156: ignoring option '-export'; no argument required
2702
    check_ldflags -wd10156,11030
2703
    # Allow to compile with optimizations
2704
    check_ldflags -march=$cpu
2705
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2706
    enable ebp_available
2707
elif enabled ccc; then
2708
    # disable some annoying warnings
2709
    add_cflags -msg_disable cvtu32to64
2710
    add_cflags -msg_disable embedcomment
2711
    add_cflags -msg_disable needconstext
2712
    add_cflags -msg_disable nomainieee
2713
    add_cflags -msg_disable ptrmismatch1
2714
    add_cflags -msg_disable unreachcode
2715
elif enabled gcc; then
2716
    check_cflags -fno-tree-vectorize
2717
elif enabled clang; then
2718
    check_cflags -Qunused-arguments
2719
elif enabled armcc; then
2720
    # 2523: use of inline assembler is deprecated
2721
    add_cflags -Wrvct,--diag_suppress=2523
2722
elif enabled tms470; then
2723
    add_cflags -pds=824 -pds=837
2724
fi
2725

    
2726
if enabled gprof; then
2727
    add_cflags  -p
2728
    add_ldflags -p
2729
fi
2730

    
2731
# Find out if the .align argument is a power of two or not.
2732
check_asm asmalign_pot '".align 3"'
2733

    
2734
enabled_any $DECODER_LIST      && enable decoders
2735
enabled_any $ENCODER_LIST      && enable encoders
2736
enabled_any $HWACCEL_LIST      && enable hwaccels
2737
enabled_any $BSF_LIST          && enable bsfs
2738
enabled_any $DEMUXER_LIST      && enable demuxers
2739
enabled_any $MUXER_LIST        && enable muxers
2740
enabled_any $FILTER_LIST       && enable filters
2741
enabled_any $INDEV_LIST        && enable indevs
2742
enabled_any $OUTDEV_LIST       && enable outdevs
2743
enabled_any $PROTOCOL_LIST     && enable protocols
2744

    
2745
enabled_any $THREADS_LIST      && enable threads
2746

    
2747
check_deps $CONFIG_LIST       \
2748
           $CONFIG_EXTRA      \
2749
           $HAVE_LIST         \
2750
           $DECODER_LIST      \
2751
           $ENCODER_LIST      \
2752
           $HWACCEL_LIST      \
2753
           $PARSER_LIST       \
2754
           $BSF_LIST          \
2755
           $DEMUXER_LIST      \
2756
           $MUXER_LIST        \
2757
           $FILTER_LIST       \
2758
           $INDEV_LIST        \
2759
           $OUTDEV_LIST       \
2760
           $PROTOCOL_LIST     \
2761

    
2762
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2763

    
2764
echo "install prefix            $prefix"
2765
echo "source path               $source_path"
2766
echo "C compiler                $cc"
2767
echo ".align is power-of-two    $asmalign_pot"
2768
echo "ARCH                      $arch ($cpu)"
2769
if test "$build_suffix" != ""; then
2770
    echo "build suffix              $build_suffix"
2771
fi
2772
if test "$extra_version" != ""; then
2773
    echo "version string suffix     $extra_version"
2774
fi
2775
echo "big-endian                ${bigendian-no}"
2776
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2777
if enabled x86; then
2778
    echo "yasm                      ${yasm-no}"
2779
    echo "MMX enabled               ${mmx-no}"
2780
    echo "MMX2 enabled              ${mmx2-no}"
2781
    echo "3DNow! enabled            ${amd3dnow-no}"
2782
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2783
    echo "SSE enabled               ${sse-no}"
2784
    echo "SSSE3 enabled             ${ssse3-no}"
2785
    echo "CMOV enabled              ${cmov-no}"
2786
    echo "CMOV is fast              ${fast_cmov-no}"
2787
    echo "EBX available             ${ebx_available-no}"
2788
    echo "EBP available             ${ebp_available-no}"
2789
    echo "10 operands supported     ${ten_operands-no}"
2790
fi
2791
if enabled arm; then
2792
    echo "ARMv5TE enabled           ${armv5te-no}"
2793
    echo "ARMv6 enabled             ${armv6-no}"
2794
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2795
    echo "ARM VFP enabled           ${armvfp-no}"
2796
    echo "IWMMXT enabled            ${iwmmxt-no}"
2797
    echo "NEON enabled              ${neon-no}"
2798
fi
2799
if enabled mips; then
2800
    echo "MMI enabled               ${mmi-no}"
2801
fi
2802
if enabled ppc; then
2803
    echo "AltiVec enabled           ${altivec-no}"
2804
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2805
    echo "dcbzl available           ${dcbzl-no}"
2806
    echo "performance report        ${powerpc_perf-no}"
2807
fi
2808
if enabled sparc; then
2809
    echo "VIS enabled               ${vis-no}"
2810
fi
2811
echo "gprof enabled             ${gprof-no}"
2812
echo "debug symbols             ${debug-no}"
2813
echo "strip symbols             ${stripping-no}"
2814
echo "optimizations             ${optimizations-no}"
2815
echo "static                    ${static-no}"
2816
echo "shared                    ${shared-no}"
2817
echo "postprocessing support    ${postproc-no}"
2818
echo "new filter support        ${avfilter-no}"
2819
echo "filters using lavformat   ${avfilter_lavf-no}"
2820
echo "network support           ${network-no}"
2821
echo "threading support         ${thread_type-no}"
2822
echo "SDL support               ${sdl-no}"
2823
echo "Sun medialib support      ${mlib-no}"
2824
echo "AVISynth enabled          ${avisynth-no}"
2825
echo "libdc1394 support         ${libdc1394-no}"
2826
echo "libdirac enabled          ${libdirac-no}"
2827
echo "libfaac enabled           ${libfaac-no}"
2828
echo "libfaad enabled           ${libfaad-no}"
2829
echo "libfaad dlopened          ${libfaadbin-no}"
2830
echo "libgsm enabled            ${libgsm-no}"
2831
echo "libmp3lame enabled        ${libmp3lame-no}"
2832
echo "libnut enabled            ${libnut-no}"
2833
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2834
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2835
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2836
echo "libschroedinger enabled   ${libschroedinger-no}"
2837
echo "libspeex enabled          ${libspeex-no}"
2838
echo "libtheora enabled         ${libtheora-no}"
2839
echo "libvorbis enabled         ${libvorbis-no}"
2840
echo "libx264 enabled           ${libx264-no}"
2841
echo "libxvid enabled           ${libxvid-no}"
2842
echo "zlib enabled              ${zlib-no}"
2843
echo "bzlib enabled             ${bzlib-no}"
2844
echo
2845

    
2846
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2847
    echo "Enabled ${type}s:"
2848
    eval list=\$$(toupper $type)_LIST
2849
    for part in $list; do
2850
        enabled $part && echo ${part%_*}
2851
    done | sort | pr -3 -t
2852
    echo
2853
done
2854

    
2855
license="LGPL version 2.1 or later"
2856
if enabled nonfree; then
2857
    license="nonfree and unredistributable"
2858
elif enabled gplv3; then
2859
    license="GPL version 3 or later"
2860
elif enabled lgplv3; then
2861
    license="LGPL version 3 or later"
2862
elif enabled gpl; then
2863
    license="GPL version 2 or later"
2864
fi
2865

    
2866
echo "License: $license"
2867

    
2868
echo "Creating config.mak and config.h..."
2869

    
2870
# build tree in object directory if source path is different from current one
2871
if enabled source_path_used; then
2872
    DIRS="
2873
        doc
2874
        libavcodec
2875
        libavcodec/$arch
2876
        libavdevice
2877
        libavfilter
2878
        libavformat
2879
        libavutil
2880
        libavutil/$arch
2881
        libpostproc
2882
        libswscale
2883
        libswscale/$arch
2884
        tests
2885
        tools
2886
    "
2887
    FILES="
2888
        Makefile
2889
        common.mak
2890
        subdir.mak
2891
        doc/texi2pod.pl
2892
        libavcodec/Makefile
2893
        libavdevice/Makefile
2894
        libavfilter/Makefile
2895
        libavformat/Makefile
2896
        libavutil/Makefile
2897
        libpostproc/Makefile
2898
        libswscale/Makefile
2899
    "
2900
    for dir in $DIRS ; do
2901
        mkdir -p $dir
2902
    done
2903
    for f in $FILES ; do
2904
        $ln_s "$source_path/$f" $f
2905
    done
2906
fi
2907

    
2908
enabled stripping || strip="echo skipping strip"
2909

    
2910
cat > config.mak <<EOF
2911
# Automatically generated by configure - do not modify!
2912
ifndef FFMPEG_CONFIG_MAK
2913
FFMPEG_CONFIG_MAK=1
2914
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2915
prefix=$prefix
2916
LIBDIR=\$(DESTDIR)$libdir
2917
SHLIBDIR=\$(DESTDIR)$shlibdir
2918
INCDIR=\$(DESTDIR)$incdir
2919
BINDIR=\$(DESTDIR)$bindir
2920
DATADIR=\$(DESTDIR)$datadir
2921
MANDIR=\$(DESTDIR)$mandir
2922
SRC_PATH="$source_path"
2923
SRC_PATH_BARE=$source_path
2924
BUILD_ROOT="$PWD"
2925
ARCH=$arch
2926
CC=$cc
2927
AS=$as
2928
LD=$ld
2929
DEPCC=$dep_cc
2930
YASM=$yasmexe
2931
AR=$ar
2932
RANLIB=$ranlib
2933
LN_S=$ln_s
2934
STRIP=$strip
2935
CPPFLAGS=$CPPFLAGS
2936
CFLAGS=$CFLAGS
2937
ASFLAGS=$ASFLAGS
2938
CC_O=$CC_O
2939
LDFLAGS=$LDFLAGS
2940
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2941
SHFLAGS=$SHFLAGS
2942
YASMFLAGS=$YASMFLAGS
2943
BUILDSUF=$build_suffix
2944
FULLNAME=$FULLNAME
2945
LIBPREF=$LIBPREF
2946
LIBSUF=$LIBSUF
2947
LIBNAME=$LIBNAME
2948
SLIBPREF=$SLIBPREF
2949
SLIBSUF=$SLIBSUF
2950
EXESUF=$EXESUF
2951
EXTRA_VERSION=$extra_version
2952
DEPFLAGS=$DEPFLAGS
2953
CCDEP=$CCDEP
2954
ASDEP=$ASDEP
2955
CC_DEPFLAGS=$CC_DEPFLAGS
2956
AS_DEPFLAGS=$AS_DEPFLAGS
2957
HOSTCC=$host_cc
2958
HOSTCFLAGS=$host_cflags
2959
HOSTEXESUF=$HOSTEXESUF
2960
HOSTLDFLAGS=$host_ldflags
2961
HOSTLIBS=$host_libs
2962
TARGET_EXEC=$target_exec
2963
TARGET_PATH=$target_path
2964
SDL_LIBS=$sdl_libs
2965
SDL_CFLAGS=$sdl_cflags
2966
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2967
EXTRALIBS=$extralibs
2968
EOF
2969

    
2970
get_version(){
2971
    name=$1
2972
    file=$source_path/$2
2973
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2974
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2975
    lcname=$(tolower $name)
2976
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2977
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2978
}
2979

    
2980
get_version LIBSWSCALE  libswscale/swscale.h
2981
get_version LIBPOSTPROC libpostproc/postprocess.h
2982
get_version LIBAVCODEC  libavcodec/avcodec.h
2983
get_version LIBAVDEVICE libavdevice/avdevice.h
2984
get_version LIBAVFORMAT libavformat/avformat.h
2985
get_version LIBAVUTIL   libavutil/avutil.h
2986
get_version LIBAVFILTER libavfilter/avfilter.h
2987

    
2988
enabled shared && cat >> config.mak <<EOF
2989
LIBTARGET=${LIBTARGET}
2990
SLIBNAME=${SLIBNAME}
2991
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2992
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2993
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2994
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2995
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2996
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2997
EOF
2998

    
2999
enabled asmalign_pot || align_shift="1 <<"
3000

    
3001
cat > $TMPH <<EOF
3002
/* Automatically generated by configure - do not modify! */
3003
#ifndef FFMPEG_CONFIG_H
3004
#define FFMPEG_CONFIG_H
3005
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3006
#define FFMPEG_LICENSE "$(c_escape $license)"
3007
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3008
#define CC_TYPE "$cc_type"
3009
#define CC_VERSION $cc_version
3010
#define restrict $_restrict
3011
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3012
#define EXTERN_PREFIX "${extern_prefix}"
3013
#define EXTERN_ASM ${extern_prefix}
3014
EOF
3015

    
3016
test -n "$malloc_prefix" &&
3017
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3018

    
3019
if enabled small || disabled optimizations; then
3020
    echo "#define av_always_inline"  >> $TMPH
3021
fi
3022

    
3023
print_config ARCH_   $TMPH config.mak $ARCH_LIST
3024
print_config HAVE_   $TMPH config.mak $HAVE_LIST
3025
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3026
                                      $CONFIG_EXTRA      \
3027
                                      $DECODER_LIST      \
3028
                                      $ENCODER_LIST      \
3029
                                      $HWACCEL_LIST      \
3030
                                      $PARSER_LIST       \
3031
                                      $BSF_LIST          \
3032
                                      $DEMUXER_LIST      \
3033
                                      $MUXER_LIST        \
3034
                                      $FILTER_LIST       \
3035
                                      $PROTOCOL_LIST     \
3036
                                      $INDEV_LIST        \
3037
                                      $OUTDEV_LIST       \
3038

    
3039
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3040
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3041

    
3042
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3043
cp_if_changed $TMPH config.h
3044

    
3045
cat > $TMPH <<EOF
3046
/* Generated by ffconf */
3047
#ifndef AVUTIL_AVCONFIG_H
3048
#define AVUTIL_AVCONFIG_H
3049
EOF
3050

    
3051
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3052

    
3053
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3054

    
3055
cp_if_changed $TMPH libavutil/avconfig.h
3056

    
3057
# build pkg-config files
3058

    
3059
pkgconfig_generate(){
3060
name=$1
3061
shortname=${name#lib}${build_suffix}
3062
comment=$2
3063
version=$3
3064
libs=$4
3065
requires=$5
3066
cat <<EOF > $name/$name.pc
3067
prefix=$prefix
3068
exec_prefix=\${prefix}
3069
libdir=$libdir
3070
includedir=$incdir
3071

    
3072
Name: $name
3073
Description: $comment
3074
Version: $version
3075
Requires: $(enabled shared || echo $requires)
3076
Requires.private: $(enabled shared && echo $requires)
3077
Conflicts:
3078
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3079
Libs.private: $(enabled shared && echo $libs)
3080
Cflags: -I\${includedir}
3081
EOF
3082
cat <<EOF > $name/$name-uninstalled.pc
3083
prefix=
3084
exec_prefix=
3085
libdir=\${pcfiledir}
3086
includedir=${source_path}
3087

    
3088
Name: $name
3089
Description: $comment
3090
Version: $version
3091
Requires: $requires
3092
Conflicts:
3093
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3094
Cflags: -I\${includedir}
3095
EOF
3096
}
3097

    
3098
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3099
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3100
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3101
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3102
enabled avfilter &&
3103
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3104
enabled postproc &&
3105
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3106
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"