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#!/bin/sh
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#
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# Libav 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 LIBAV, 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 Libav."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
56

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

    
62
Standard options:
63
  --help                   print this message
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  --logfile=FILE           log tests and output to FILE [config.log]
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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]
76
  --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]
82
  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
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  --disable-ffplay         disable ffplay build
85
  --disable-ffprobe        disable ffprobe build
86
  --disable-ffserver       disable ffserver build
87
  --disable-avdevice       disable libavdevice build
88
  --disable-avcodec        disable libavcodec build
89
  --disable-avformat       disable libavformat build
90
  --disable-swscale        disable libswscale build
91
  --enable-postproc        enable GPLed postprocessing support [no]
92
  --disable-avfilter       disable video filter support [no]
93
  --disable-pthreads       disable pthreads [auto]
94
  --enable-w32threads      use Win32 threads [no]
95
  --enable-x11grab         enable X11 grabbing [no]
96
  --disable-network        disable network support [no]
97
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
98
  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
100
  --disable-fastdiv        disable table-based division
101
  --enable-small           optimize for size instead of speed
102
  --disable-aandct         disable AAN DCT code
103
  --disable-dct            disable DCT code
104
  --disable-fft            disable FFT code
105
  --disable-golomb         disable Golomb code
106
  --disable-huffman        disable Huffman code
107
  --disable-lpc            disable LPC code
108
  --disable-mdct           disable MDCT code
109
  --disable-rdft           disable RDFT code
110
  --disable-vaapi          disable VAAPI code
111
  --disable-vdpau          disable VDPAU code
112
  --disable-dxva2          disable DXVA2 code
113
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
116
  --disable-everything     disable all components listed below
117
  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
119
  --disable-encoders       disable all encoders
120
  --disable-decoder=NAME   disable decoder NAME
121
  --enable-decoder=NAME    enable decoder NAME
122
  --disable-decoders       disable all decoders
123
  --disable-hwaccel=NAME   disable hwaccel NAME
124
  --enable-hwaccel=NAME    enable hwaccel NAME
125
  --disable-hwaccels       disable all hwaccels
126
  --disable-muxer=NAME     disable muxer NAME
127
  --enable-muxer=NAME      enable muxer NAME
128
  --disable-muxers         disable all muxers
129
  --disable-demuxer=NAME   disable demuxer NAME
130
  --enable-demuxer=NAME    enable demuxer NAME
131
  --disable-demuxers       disable all demuxers
132
  --enable-parser=NAME     enable parser NAME
133
  --disable-parser=NAME    disable parser NAME
134
  --disable-parsers        disable all parsers
135
  --enable-bsf=NAME        enable bitstream filter NAME
136
  --disable-bsf=NAME       disable bitstream filter NAME
137
  --disable-bsfs           disable all bitstream filters
138
  --enable-protocol=NAME   enable protocol NAME
139
  --disable-protocol=NAME  disable protocol NAME
140
  --disable-protocols      disable all protocols
141
  --disable-indev=NAME     disable input device NAME
142
  --disable-outdev=NAME    disable output device NAME
143
  --disable-indevs         disable input devices
144
  --disable-outdevs        disable output devices
145
  --disable-devices        disable all devices
146
  --enable-filter=NAME     enable filter NAME
147
  --disable-filter=NAME    disable filter NAME
148
  --disable-filters        disable all filters
149
  --list-decoders          show all available decoders
150
  --list-encoders          show all available encoders
151
  --list-hwaccels          show all available hardware accelerators
152
  --list-muxers            show all available muxers
153
  --list-demuxers          show all available demuxers
154
  --list-parsers           show all available parsers
155
  --list-protocols         show all available protocols
156
  --list-bsfs              show all available bitstream filters
157
  --list-indevs            show all available input devices
158
  --list-outdevs           show all available output devices
159
  --list-filters           show all available filters
160

    
161
External library support:
162
  --enable-avisynth        enable reading of AVISynth script files [no]
163
  --enable-bzlib           enable bzlib [autodetect]
164
  --enable-frei0r          enable frei0r video filtering
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-libopencv       enable video filtering via libopencv [no]
168
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
170
  --enable-libdirac        enable Dirac support via libdirac [no]
171
  --enable-libfaac         enable FAAC support via libfaac [no]
172
  --enable-libgsm          enable GSM support via libgsm [no]
173
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
174
  --enable-libnut          enable NUT (de)muxing via libnut,
175
                           native (de)muxer exists [no]
176
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
177
  --enable-librtmp         enable RTMP[E] support via librtmp [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-libvpx          enable VP8 support via libvpx [no]
184
  --enable-libx264         enable H.264 encoding via x264 [no]
185
  --enable-libxavs         enable AVS encoding via xavs [no]
186
  --enable-libxvid         enable Xvid encoding via xvidcore,
187
                           native MPEG-4/Xvid encoder exists [no]
188
  --enable-mlib            enable Sun medialib [no]
189
  --enable-zlib            enable zlib [autodetect]
190

    
191
Advanced options (experts only):
192
  --source-path=PATH       path to source code [$source_path]
193
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
194
  --enable-cross-compile   assume a cross-compiler is used
195
  --sysroot=PATH           root of cross-build tree
196
  --sysinclude=PATH        location of cross-build system headers
197
  --target-os=OS           compiler targets OS [$target_os]
198
  --target-exec=CMD        command to run executables on target
199
  --target-path=DIR        path to view of build directory on target
200
  --nm=NM                  use nm tool
201
  --ar=AR                  use archive tool AR [$ar_default]
202
  --as=AS                  use assembler AS [$as_default]
203
  --cc=CC                  use C compiler CC [$cc_default]
204
  --ld=LD                  use linker LD
205
  --host-cc=HOSTCC         use host C compiler HOSTCC
206
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
207
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
208
  --host-libs=HLIBS        use libs HLIBS when linking for host
209
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
210
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
211
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
212
  --extra-version=STRING   version string suffix []
213
  --build-suffix=SUFFIX    library name suffix []
214
  --arch=ARCH              select architecture [$arch]
215
  --cpu=CPU                select the minimum required CPU (affects
216
                           instruction selection, may crash on older CPUs)
217
  --disable-asm            disable all assembler optimizations
218
  --disable-altivec        disable AltiVec optimizations
219
  --disable-amd3dnow       disable 3DNow! optimizations
220
  --disable-amd3dnowext    disable 3DNow! extended optimizations
221
  --disable-mmx            disable MMX optimizations
222
  --disable-mmx2           disable MMX2 optimizations
223
  --disable-sse            disable SSE optimizations
224
  --disable-ssse3          disable SSSE3 optimizations
225
  --disable-avx            disable AVX optimizations
226
  --disable-armv5te        disable armv5te optimizations
227
  --disable-armv6          disable armv6 optimizations
228
  --disable-armv6t2        disable armv6t2 optimizations
229
  --disable-armvfp         disable ARM VFP optimizations
230
  --disable-iwmmxt         disable iwmmxt optimizations
231
  --disable-mmi            disable MMI optimizations
232
  --disable-neon           disable neon optimizations
233
  --disable-vis            disable VIS optimizations
234
  --disable-yasm           disable use of yasm assembler
235
  --enable-pic             build position-independent code
236
  --malloc-prefix=PFX      prefix malloc and related names with PFX
237
  --enable-sram            allow use of on-chip SRAM
238
  --disable-symver         disable symbol versioning
239

    
240
Developer options (useful when working on Libav itself):
241
  --disable-debug          disable debugging symbols
242
  --enable-debug=LEVEL     set the debug level [$debuglevel]
243
  --disable-optimizations  disable compiler optimizations
244
  --enable-extra-warnings  enable more compiler warnings
245
  --disable-stripping      disable stripping of executables and shared libraries
246
  --samples=PATH           location of test samples for FATE, if not set use
247
                           \$FATE_SAMPLES at make invocation time.
248

    
249
NOTE: Object files are built at the place where configure is launched.
250
EOF
251
  exit 0
252
}
253

    
254
quotes='""'
255

    
256
log(){
257
    echo "$@" >> $logfile
258
}
259

    
260
log_file(){
261
    log BEGIN $1
262
    pr -n -t $1 >> $logfile
263
    log END $1
264
}
265

    
266
echolog(){
267
    log "$@"
268
    echo "$@"
269
}
270

    
271
warn(){
272
    log "WARNING: $*"
273
    WARNINGS="${WARNINGS}WARNING: $*\n"
274
}
275

    
276
die(){
277
    echolog "$@"
278
    cat <<EOF
279

    
280
If you think configure made a mistake, make sure you are using the latest
281
version from Git.  If the latest version fails, report the problem to the
282
libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
283
EOF
284
    if disabled logging; then
285
        cat <<EOF
286
Rerun configure with logging enabled (do not use --disable-logging), and
287
include the log this produces with your report.
288
EOF
289
    else
290
cat <<EOF
291
Include the log file "$logfile" produced by configure as this will help
292
solving the problem.
293
EOF
294
    fi
295
    exit 1
296
}
297

    
298
# Avoid locale weirdness, besides we really just want to translate ASCII.
299
toupper(){
300
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
301
}
302

    
303
tolower(){
304
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
305
}
306

    
307
c_escape(){
308
    echo "$*" | sed 's/["\\]/\\\0/g'
309
}
310

    
311
sh_quote(){
312
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
313
    test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
314
    echo "$v"
315
}
316

    
317
cleanws(){
318
    echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
319
}
320

    
321
filter(){
322
    pat=$1
323
    shift
324
    for v; do
325
        eval "case $v in $pat) echo $v ;; esac"
326
    done
327
}
328

    
329
filter_out(){
330
    pat=$1
331
    shift
332
    for v; do
333
        eval "case $v in $pat) ;; *) echo $v ;; esac"
334
    done
335
}
336

    
337
map(){
338
    m=$1
339
    shift
340
    for v; do eval $m; done
341
}
342

    
343
set_all(){
344
    value=$1
345
    shift
346
    for var in $*; do
347
        eval $var=$value
348
    done
349
}
350

    
351
set_weak(){
352
    value=$1
353
    shift
354
    for var; do
355
        eval : \${$var:=$value}
356
    done
357
}
358

    
359
set_safe(){
360
    var=$1
361
    shift
362
    eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
363
}
364

    
365
get_safe(){
366
    eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
367
}
368

    
369
pushvar(){
370
    for var in $*; do
371
        eval level=\${${var}_level:=0}
372
        eval ${var}_${level}="\$$var"
373
        eval ${var}_level=$(($level+1))
374
    done
375
}
376

    
377
popvar(){
378
    for var in $*; do
379
        eval level=\${${var}_level:-0}
380
        test $level = 0 && continue
381
        eval level=$(($level-1))
382
        eval $var="\${${var}_${level}}"
383
        eval ${var}_level=$level
384
        eval unset ${var}_${level}
385
    done
386
}
387

    
388
enable(){
389
    set_all yes $*
390
}
391

    
392
disable(){
393
    set_all no $*
394
}
395

    
396
enable_weak(){
397
    set_weak yes $*
398
}
399

    
400
disable_weak(){
401
    set_weak no $*
402
}
403

    
404
enable_safe(){
405
    for var; do
406
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
407
    done
408
}
409

    
410
disable_safe(){
411
    for var; do
412
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
413
    done
414
}
415

    
416
do_enable_deep(){
417
    for var; do
418
        enabled $var && continue
419
        eval sel="\$${var}_select"
420
        eval sgs="\$${var}_suggest"
421
        pushvar var sgs
422
        enable_deep $sel
423
        popvar sgs
424
        enable_deep_weak $sgs
425
        popvar var
426
    done
427
}
428

    
429
enable_deep(){
430
    do_enable_deep $*
431
    enable $*
432
}
433

    
434
enable_deep_weak(){
435
    do_enable_deep $*
436
    enable_weak $*
437
}
438

    
439
enabled(){
440
    test "${1#!}" = "$1" && op== || op=!=
441
    eval test "x\$${1#!}" $op "xyes"
442
}
443

    
444
disabled(){
445
    test "${1#!}" = "$1" && op== || op=!=
446
    eval test "x\$${1#!}" $op "xno"
447
}
448

    
449
enabled_all(){
450
    for opt; do
451
        enabled $opt || return 1
452
    done
453
}
454

    
455
disabled_all(){
456
    for opt; do
457
        disabled $opt || return 1
458
    done
459
}
460

    
461
enabled_any(){
462
    for opt; do
463
        enabled $opt && return 0
464
    done
465
}
466

    
467
disabled_any(){
468
    for opt; do
469
        disabled $opt && return 0
470
    done
471
    return 1
472
}
473

    
474
set_default(){
475
    for opt; do
476
        eval : \${$opt:=\$${opt}_default}
477
    done
478
}
479

    
480
is_in(){
481
    value=$1
482
    shift
483
    for var in $*; do
484
        [ $var = $value ] && return 0
485
    done
486
    return 1
487
}
488

    
489
check_deps(){
490
    for cfg; do
491
        cfg="${cfg#!}"
492
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
493
        disabled ${cfg}_checking && continue
494
        enable ${cfg}_checking
495

    
496
        eval dep_all="\$${cfg}_deps"
497
        eval dep_any="\$${cfg}_deps_any"
498
        eval dep_sel="\$${cfg}_select"
499
        eval dep_sgs="\$${cfg}_suggest"
500
        eval dep_ifa="\$${cfg}_if"
501
        eval dep_ifn="\$${cfg}_if_any"
502

    
503
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
504
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
505
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
506

    
507
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
508
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
509
        enabled_all  $dep_all || disable $cfg
510
        enabled_any  $dep_any || disable $cfg
511
        disabled_any $dep_sel && disable $cfg
512

    
513
        if enabled $cfg; then
514
            eval dep_extralibs="\$${cfg}_extralibs"
515
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
516
            enable_deep $dep_sel
517
            enable_deep_weak $dep_sgs
518
        fi
519

    
520
        disable ${cfg}_checking
521
    done
522
}
523

    
524
print_config_h(){
525
    enabled $1 && v=1 || v=0
526
    echo "#define $2 $v"
527
}
528

    
529
print_config_mak(){
530
    enabled $1 && v= || v=!
531
    echo "$v$2=yes"
532
}
533

    
534
print_config_asm(){
535
    enabled $1 && echo "%define $2"
536
}
537

    
538
print_config(){
539
    pfx=$1
540
    files=$2
541
    shift 2
542
    for cfg; do
543
        ucname="$(toupper $cfg)"
544
        for f in $files; do
545
            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
546
        done
547
    done
548
}
549

    
550
print_enabled(){
551
    test "$1" = -n && end=" " && shift || end="\n"
552
    suf=$1
553
    shift
554
    for v; do
555
        enabled $v && printf "%s$end" ${v%$suf};
556
    done
557
}
558

    
559
append(){
560
    var=$1
561
    shift
562
    eval "$var=\"\$$var $*\""
563
}
564

    
565
prepend(){
566
    var=$1
567
    shift
568
    eval "$var=\"$* \$$var\""
569
}
570

    
571
add_cppflags(){
572
    append CPPFLAGS $($filter_cppflags "$@")
573
}
574

    
575
add_cflags(){
576
    append CFLAGS $($filter_cflags "$@")
577
}
578

    
579
add_asflags(){
580
    append ASFLAGS $($filter_asflags "$@")
581
}
582

    
583
add_ldflags(){
584
    append LDFLAGS "$@"
585
}
586

    
587
add_extralibs(){
588
    prepend extralibs "$@"
589
}
590

    
591
check_cmd(){
592
    log "$@"
593
    "$@" >> $logfile 2>&1
594
}
595

    
596
check_cc(){
597
    log check_cc "$@"
598
    cat > $TMPC
599
    log_file $TMPC
600
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
601
}
602

    
603
check_cpp(){
604
    log check_cpp "$@"
605
    cat > $TMPC
606
    log_file $TMPC
607
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
608
}
609

    
610
check_as(){
611
    log check_as "$@"
612
    cat > $TMPC
613
    log_file $TMPC
614
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
615
}
616

    
617
check_asm(){
618
    log check_asm "$@"
619
    name="$1"
620
    code="$2"
621
    shift 2
622
    disable $name
623
    check_as "$@" <<EOF && enable $name
624
void foo(void){ __asm__ volatile($code); }
625
EOF
626
}
627

    
628
check_yasm(){
629
    log check_yasm "$@"
630
    echo "$1" > $TMPS
631
    log_file $TMPS
632
    shift 1
633
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
634
}
635

    
636
check_ld(){
637
    log check_ld "$@"
638
    flags=''
639
    libs=''
640
    for f; do
641
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
642
    done
643
    check_cc $($filter_cflags $flags) || return
644
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
645
}
646

    
647
check_cppflags(){
648
    log check_cppflags "$@"
649
    set -- $($filter_cppflags "$@")
650
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
651
int x;
652
EOF
653
}
654

    
655
check_cflags(){
656
    log check_cflags "$@"
657
    set -- $($filter_cflags "$@")
658
    check_cc "$@" <<EOF && append CFLAGS "$@"
659
int x;
660
EOF
661
}
662

    
663
test_ldflags(){
664
    log test_ldflags "$@"
665
    check_ld "$@" <<EOF
666
int main(void){ return 0; }
667
EOF
668
}
669

    
670
check_ldflags(){
671
    log check_ldflags "$@"
672
    test_ldflags "$@" && add_ldflags "$@"
673
}
674

    
675
check_header(){
676
    log check_header "$@"
677
    header=$1
678
    shift
679
    disable_safe $header
680
    check_cpp "$@" <<EOF && enable_safe $header
681
#include <$header>
682
int x;
683
EOF
684
}
685

    
686
check_func(){
687
    log check_func "$@"
688
    func=$1
689
    shift
690
    disable $func
691
    check_ld "$@" <<EOF && enable $func
692
extern int $func();
693
int main(void){ $func(); }
694
EOF
695
}
696

    
697
check_mathfunc(){
698
    log check_mathfunc "$@"
699
    func=$1
700
    shift
701
    disable $func
702
    check_ld "$@" <<EOF && enable $func
703
#include <math.h>
704
float foo(float f) { return $func(f); }
705
int main(void){ return 0; }
706
EOF
707
}
708

    
709
check_func_headers(){
710
    log check_func_headers "$@"
711
    headers=$1
712
    funcs=$2
713
    shift 2
714
    {
715
        for hdr in $headers; do
716
            echo "#include <$hdr>"
717
        done
718
        for func in $funcs; do
719
            echo "long check_$func(void) { return (long) $func; }"
720
        done
721
        echo "int main(void) { return 0; }"
722
    } | check_ld "$@" && enable $funcs && enable_safe $headers
723
}
724

    
725
check_cpp_condition(){
726
    log check_cpp_condition "$@"
727
    header=$1
728
    condition=$2
729
    shift 2
730
    check_cpp $($filter_cppflags "$@") <<EOF
731
#include <$header>
732
#if !($condition)
733
#error "unsatisfied condition: $condition"
734
#endif
735
EOF
736
}
737

    
738
check_lib(){
739
    log check_lib "$@"
740
    header="$1"
741
    func="$2"
742
    shift 2
743
    check_header $header && check_func $func "$@" && add_extralibs "$@"
744
}
745

    
746
check_lib2(){
747
    log check_lib2 "$@"
748
    headers="$1"
749
    funcs="$2"
750
    shift 2
751
    check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
752
}
753

    
754
check_pkg_config(){
755
    log check_pkg_config "$@"
756
    pkg="$1"
757
    headers="$2"
758
    funcs="$3"
759
    shift 3
760
    $pkg_config --exists $pkg || return
761
    pkg_cflags=$($pkg_config --cflags $pkg)
762
    pkg_libs=$($pkg_config --libs $pkg)
763
    check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
764
        set_safe ${pkg}_cflags $pkg_cflags   &&
765
        set_safe ${pkg}_libs   $pkg_libs
766
}
767

    
768
check_exec(){
769
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
770
}
771

    
772
check_exec_crash(){
773
    code=$(cat)
774

    
775
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
776
    # are safe but may not be available everywhere.  Thus we use
777
    # raise(SIGTERM) instead.  The check is run in a subshell so we
778
    # can redirect the "Terminated" message from the shell.  SIGBUS
779
    # is not defined by standard C so it is used conditionally.
780

    
781
    (check_exec "$@") >> $logfile 2>&1 <<EOF
782
#include <signal.h>
783
static void sighandler(int sig){
784
    raise(SIGTERM);
785
}
786
int main(void){
787
    signal(SIGILL, sighandler);
788
    signal(SIGFPE, sighandler);
789
    signal(SIGSEGV, sighandler);
790
#ifdef SIGBUS
791
    signal(SIGBUS, sighandler);
792
#endif
793
    { $code }
794
}
795
EOF
796
}
797

    
798
check_type(){
799
    log check_type "$@"
800
    headers=$1
801
    type=$2
802
    shift 2
803
    disable_safe "$type"
804
    incs=""
805
    for hdr in $headers; do
806
        incs="$incs
807
#include <$hdr>"
808
    done
809
    check_cc "$@" <<EOF && enable_safe "$type"
810
$incs
811
$type v;
812
EOF
813
}
814

    
815
check_struct(){
816
    log check_type "$@"
817
    headers=$1
818
    struct=$2
819
    member=$3
820
    shift 3
821
    disable_safe "${struct}_${member}"
822
    incs=""
823
    for hdr in $headers; do
824
        incs="$incs
825
#include <$hdr>"
826
    done
827
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
828
$incs
829
const void *p = &(($struct *)0)->$member;
830
EOF
831
}
832

    
833
require(){
834
    name="$1"
835
    header="$2"
836
    func="$3"
837
    shift 3
838
    check_lib $header $func "$@" || die "ERROR: $name not found"
839
}
840

    
841
require2(){
842
    name="$1"
843
    headers="$2"
844
    func="$3"
845
    shift 3
846
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
847
}
848

    
849
require_pkg_config(){
850
    pkg="$1"
851
    check_pkg_config "$@" || die "ERROR: $pkg not found"
852
    add_cflags    $(get_safe ${pkg}_cflags)
853
    add_extralibs $(get_safe ${pkg}_libs)
854
}
855

    
856
check_host_cc(){
857
    log check_host_cc "$@"
858
    cat > $TMPC
859
    log_file $TMPC
860
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
861
}
862

    
863
check_host_cflags(){
864
    log check_host_cflags "$@"
865
    check_host_cc "$@" <<EOF && append host_cflags "$@"
866
int x;
867
EOF
868
}
869

    
870
apply(){
871
    file=$1
872
    shift
873
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
874
}
875

    
876
cp_if_changed(){
877
    cmp -s "$1" "$2" &&
878
        echo "$2 is unchanged" ||
879
        cp -f "$1" "$2"
880
}
881

    
882
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
883
# system-dependent things.
884

    
885
COMPONENT_LIST="
886
    bsfs
887
    decoders
888
    demuxers
889
    encoders
890
    filters
891
    hwaccels
892
    indevs
893
    muxers
894
    outdevs
895
    parsers
896
    protocols
897
"
898

    
899
CONFIG_LIST="
900
    $COMPONENT_LIST
901
    aandct
902
    ac3dsp
903
    avcodec
904
    avdevice
905
    avfilter
906
    avformat
907
    avisynth
908
    bzlib
909
    dct
910
    doc
911
    dwt
912
    dxva2
913
    fastdiv
914
    ffmpeg
915
    ffplay
916
    ffprobe
917
    ffserver
918
    fft
919
    frei0r
920
    golomb
921
    gpl
922
    gray
923
    h264dsp
924
    h264pred
925
    hardcoded_tables
926
    huffman
927
    libdc1394
928
    libdirac
929
    libfaac
930
    libgsm
931
    libmp3lame
932
    libnut
933
    libopencore_amrnb
934
    libopencore_amrwb
935
    libopencv
936
    libopenjpeg
937
    librtmp
938
    libschroedinger
939
    libspeex
940
    libtheora
941
    libvorbis
942
    libvpx
943
    libx264
944
    libxavs
945
    libxvid
946
    lpc
947
    lsp
948
    mdct
949
    memalign_hack
950
    mlib
951
    mpegaudio_hp
952
    network
953
    nonfree
954
    pic
955
    postproc
956
    rdft
957
    rtpdec
958
    runtime_cpudetect
959
    shared
960
    sinewin
961
    small
962
    sram
963
    static
964
    swscale
965
    swscale_alpha
966
    vaapi
967
    vdpau
968
    version3
969
    x11grab
970
    zlib
971
"
972

    
973
THREADS_LIST='
974
    pthreads
975
    w32threads
976
'
977

    
978
ARCH_LIST='
979
    alpha
980
    arm
981
    avr32
982
    avr32_ap
983
    avr32_uc
984
    bfin
985
    ia64
986
    m68k
987
    mips
988
    mips64
989
    parisc
990
    ppc
991
    ppc64
992
    s390
993
    sh4
994
    sparc
995
    sparc64
996
    tomi
997
    x86
998
    x86_32
999
    x86_64
1000
'
1001

    
1002
ARCH_EXT_LIST='
1003
    altivec
1004
    amd3dnow
1005
    amd3dnowext
1006
    armv5te
1007
    armv6
1008
    armv6t2
1009
    armvfp
1010
    avx
1011
    iwmmxt
1012
    mmi
1013
    mmx
1014
    mmx2
1015
    neon
1016
    ppc4xx
1017
    sse
1018
    ssse3
1019
    vis
1020
'
1021

    
1022
HAVE_LIST_PUB='
1023
    bigendian
1024
    fast_unaligned
1025
'
1026

    
1027
HAVE_LIST="
1028
    $ARCH_EXT_LIST
1029
    $HAVE_LIST_PUB
1030
    $THREADS_LIST
1031
    aligned_stack
1032
    alsa_asoundlib_h
1033
    altivec_h
1034
    arpa_inet_h
1035
    attribute_may_alias
1036
    attribute_packed
1037
    bswap
1038
    closesocket
1039
    cmov
1040
    dcbzl
1041
    dev_bktr_ioctl_bt848_h
1042
    dev_bktr_ioctl_meteor_h
1043
    dev_ic_bt8xx_h
1044
    dev_video_meteor_ioctl_meteor_h
1045
    dev_video_bktr_ioctl_bt848_h
1046
    dlfcn_h
1047
    dlopen
1048
    dos_paths
1049
    ebp_available
1050
    ebx_available
1051
    exp2
1052
    exp2f
1053
    fast_64bit
1054
    fast_clz
1055
    fast_cmov
1056
    fcntl
1057
    fork
1058
    getaddrinfo
1059
    gethrtime
1060
    GetProcessMemoryInfo
1061
    GetProcessTimes
1062
    getrusage
1063
    gnu_as
1064
    struct_rusage_ru_maxrss
1065
    ibm_asm
1066
    inet_aton
1067
    inline_asm
1068
    isatty
1069
    kbhit
1070
    ldbrx
1071
    libdc1394_1
1072
    libdc1394_2
1073
    llrint
1074
    llrintf
1075
    local_aligned_16
1076
    local_aligned_8
1077
    log2
1078
    log2f
1079
    loongson
1080
    lrint
1081
    lrintf
1082
    lzo1x_999_compress
1083
    machine_ioctl_bt848_h
1084
    machine_ioctl_meteor_h
1085
    malloc_h
1086
    MapViewOfFile
1087
    memalign
1088
    mkstemp
1089
    mmap
1090
    pld
1091
    posix_memalign
1092
    round
1093
    roundf
1094
    sdl
1095
    sdl_video_size
1096
    setmode
1097
    socklen_t
1098
    soundcard_h
1099
    poll_h
1100
    setrlimit
1101
    strerror_r
1102
    strtok_r
1103
    struct_addrinfo
1104
    struct_ipv6_mreq
1105
    struct_sockaddr_in6
1106
    struct_sockaddr_sa_len
1107
    struct_sockaddr_storage
1108
    symver
1109
    symver_gnu_asm
1110
    symver_asm_label
1111
    sys_mman_h
1112
    sys_resource_h
1113
    sys_select_h
1114
    sys_soundcard_h
1115
    sys_videoio_h
1116
    ten_operands
1117
    threads
1118
    truncf
1119
    vfp_args
1120
    VirtualAlloc
1121
    winsock2_h
1122
    xform_asm
1123
    xmm_clobbers
1124
    yasm
1125
"
1126

    
1127
# options emitted with CONFIG_ prefix but not available on command line
1128
CONFIG_EXTRA="
1129
    avutil
1130
    gplv3
1131
    lgplv3
1132
"
1133

    
1134
CMDLINE_SELECT="
1135
    $ARCH_EXT_LIST
1136
    $CONFIG_LIST
1137
    $THREADS_LIST
1138
    asm
1139
    cross_compile
1140
    debug
1141
    extra_warnings
1142
    logging
1143
    optimizations
1144
    stripping
1145
    symver
1146
    yasm
1147
"
1148

    
1149
PATHS_LIST='
1150
    bindir
1151
    datadir
1152
    incdir
1153
    libdir
1154
    mandir
1155
    prefix
1156
    shlibdir
1157
'
1158

    
1159
CMDLINE_SET="
1160
    $PATHS_LIST
1161
    ar
1162
    arch
1163
    as
1164
    build_suffix
1165
    cc
1166
    cpu
1167
    cross_prefix
1168
    dep_cc
1169
    extra_version
1170
    host_cc
1171
    host_cflags
1172
    host_ldflags
1173
    host_libs
1174
    host_os
1175
    ld
1176
    logfile
1177
    malloc_prefix
1178
    nm
1179
    pkg_config
1180
    samples
1181
    source_path
1182
    strip
1183
    sysinclude
1184
    sysroot
1185
    target_exec
1186
    target_os
1187
    target_path
1188
"
1189

    
1190
CMDLINE_APPEND="
1191
    extra_cflags
1192
"
1193

    
1194
# code dependency declarations
1195

    
1196
# architecture extensions
1197

    
1198
armv5te_deps="arm"
1199
armv6_deps="arm"
1200
armv6t2_deps="arm"
1201
armvfp_deps="arm"
1202
iwmmxt_deps="arm"
1203
neon_deps="arm"
1204

    
1205
mmi_deps="mips"
1206

    
1207
altivec_deps="ppc"
1208
ppc4xx_deps="ppc"
1209

    
1210
vis_deps="sparc"
1211

    
1212
x86_64_suggest="cmov fast_cmov"
1213
amd3dnow_deps="mmx"
1214
amd3dnowext_deps="amd3dnow"
1215
mmx_deps="x86"
1216
mmx2_deps="mmx"
1217
sse_deps="mmx"
1218
ssse3_deps="sse"
1219
avx_deps="ssse3"
1220

    
1221
aligned_stack_if_any="ppc x86"
1222
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1223
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1224
fast_unaligned_if_any="armv6 ppc x86"
1225

    
1226
need_memalign="altivec neon sse"
1227
inline_asm_deps="!tms470"
1228

    
1229
symver_if_any="symver_asm_label symver_gnu_asm"
1230

    
1231
# subsystems
1232
dct_select="rdft"
1233
mdct_select="fft"
1234
rdft_select="fft"
1235

    
1236
# decoders / encoders / hardware accelerators
1237
aac_decoder_select="mdct rdft sinewin"
1238
aac_encoder_select="mdct sinewin"
1239
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1240
ac3_decoder_select="mdct ac3_parser"
1241
ac3_encoder_select="mdct ac3dsp"
1242
ac3_fixed_encoder_select="ac3dsp"
1243
alac_encoder_select="lpc"
1244
amrnb_decoder_select="lsp"
1245
amrwb_decoder_select="lsp"
1246
atrac1_decoder_select="mdct sinewin"
1247
atrac3_decoder_select="mdct"
1248
binkaudio_dct_decoder_select="mdct rdft dct"
1249
binkaudio_rdft_decoder_select="mdct rdft"
1250
cavs_decoder_select="golomb"
1251
cook_decoder_select="mdct sinewin"
1252
cscd_decoder_suggest="zlib"
1253
dca_decoder_select="mdct"
1254
dnxhd_encoder_select="aandct"
1255
dxa_decoder_select="zlib"
1256
eac3_decoder_select="ac3_decoder"
1257
eamad_decoder_select="aandct"
1258
eatgq_decoder_select="aandct"
1259
eatqi_decoder_select="aandct"
1260
ffv1_decoder_select="golomb"
1261
flac_decoder_select="golomb"
1262
flac_encoder_select="golomb lpc"
1263
flashsv_decoder_select="zlib"
1264
flashsv_encoder_select="zlib"
1265
flv_decoder_select="h263_decoder"
1266
flv_encoder_select="h263_encoder"
1267
fraps_decoder_select="huffman"
1268
h261_encoder_select="aandct"
1269
h263_decoder_select="h263_parser"
1270
h263_encoder_select="aandct"
1271
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1272
h263i_decoder_select="h263_decoder"
1273
h263p_encoder_select="h263_encoder"
1274
h264_decoder_select="golomb h264dsp h264pred"
1275
h264_dxva2_hwaccel_deps="dxva2api_h"
1276
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1277
h264_vaapi_hwaccel_select="vaapi"
1278
h264_vdpau_decoder_select="vdpau h264_decoder"
1279
imc_decoder_select="fft mdct"
1280
jpegls_decoder_select="golomb"
1281
jpegls_encoder_select="golomb"
1282
ljpeg_encoder_select="aandct"
1283
loco_decoder_select="golomb"
1284
mjpeg_encoder_select="aandct"
1285
mlp_decoder_select="mlp_parser"
1286
mp1float_decoder_select="dct"
1287
mp2float_decoder_select="dct"
1288
mp3adufloat_decoder_select="dct"
1289
mp3float_decoder_select="dct"
1290
mp3on4float_decoder_select="dct"
1291
mpeg1video_encoder_select="aandct"
1292
mpeg2video_encoder_select="aandct"
1293
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1294
mpeg4_encoder_select="h263_encoder"
1295
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1296
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1297
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1298
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1299
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1300
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1301
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1302
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1303
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1304
msmpeg4v1_decoder_select="h263_decoder"
1305
msmpeg4v1_encoder_select="h263_encoder"
1306
msmpeg4v2_decoder_select="h263_decoder"
1307
msmpeg4v2_encoder_select="h263_encoder"
1308
msmpeg4v3_decoder_select="h263_decoder"
1309
msmpeg4v3_encoder_select="h263_encoder"
1310
nellymoser_decoder_select="mdct sinewin"
1311
nellymoser_encoder_select="mdct sinewin"
1312
png_decoder_select="zlib"
1313
png_encoder_select="zlib"
1314
qcelp_decoder_select="lsp"
1315
qdm2_decoder_select="mdct rdft"
1316
ra_144_encoder_select="lpc"
1317
rv10_decoder_select="h263_decoder"
1318
rv10_encoder_select="h263_encoder"
1319
rv20_decoder_select="h263_decoder"
1320
rv20_encoder_select="h263_encoder"
1321
rv30_decoder_select="golomb h264pred"
1322
rv40_decoder_select="golomb h264pred"
1323
shorten_decoder_select="golomb"
1324
sipr_decoder_select="lsp"
1325
snow_decoder_select="dwt"
1326
snow_encoder_select="aandct dwt"
1327
svq1_encoder_select="aandct"
1328
svq3_decoder_select="golomb h264dsp h264pred"
1329
svq3_decoder_suggest="zlib"
1330
theora_decoder_select="vp3_decoder"
1331
tiff_decoder_suggest="zlib"
1332
tiff_encoder_suggest="zlib"
1333
truehd_decoder_select="mlp_decoder"
1334
tscc_decoder_select="zlib"
1335
twinvq_decoder_select="mdct lsp sinewin"
1336
vc1_decoder_select="h263_decoder"
1337
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1338
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1339
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1340
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1341
vorbis_decoder_select="mdct"
1342
vorbis_encoder_select="mdct"
1343
vp6_decoder_select="huffman"
1344
vp6a_decoder_select="vp6_decoder"
1345
vp6f_decoder_select="vp6_decoder"
1346
vp8_decoder_select="h264pred"
1347
wmapro_decoder_select="mdct sinewin"
1348
wmav1_decoder_select="mdct sinewin"
1349
wmav1_encoder_select="mdct sinewin"
1350
wmav2_decoder_select="mdct sinewin"
1351
wmav2_encoder_select="mdct sinewin"
1352
wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1353
wmv1_decoder_select="h263_decoder"
1354
wmv1_encoder_select="h263_encoder"
1355
wmv2_decoder_select="h263_decoder"
1356
wmv2_encoder_select="h263_encoder"
1357
wmv3_decoder_select="vc1_decoder"
1358
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1359
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1360
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1361
zlib_decoder_select="zlib"
1362
zlib_encoder_select="zlib"
1363
zmbv_decoder_select="zlib"
1364
zmbv_encoder_select="zlib"
1365

    
1366
vaapi_deps="va_va_h"
1367
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1368

    
1369
# parsers
1370
h264_parser_select="golomb h264dsp h264pred"
1371

    
1372
# external libraries
1373
libdirac_decoder_deps="libdirac !libschroedinger"
1374
libdirac_encoder_deps="libdirac"
1375
libfaac_encoder_deps="libfaac"
1376
libgsm_decoder_deps="libgsm"
1377
libgsm_encoder_deps="libgsm"
1378
libgsm_ms_decoder_deps="libgsm"
1379
libgsm_ms_encoder_deps="libgsm"
1380
libmp3lame_encoder_deps="libmp3lame"
1381
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1382
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1383
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1384
libopenjpeg_decoder_deps="libopenjpeg"
1385
libschroedinger_decoder_deps="libschroedinger"
1386
libschroedinger_encoder_deps="libschroedinger"
1387
libspeex_decoder_deps="libspeex"
1388
libtheora_encoder_deps="libtheora"
1389
libvorbis_encoder_deps="libvorbis"
1390
libvpx_decoder_deps="libvpx"
1391
libvpx_encoder_deps="libvpx"
1392
libx264_encoder_deps="libx264"
1393
libxavs_encoder_deps="libxavs"
1394
libxvid_encoder_deps="libxvid"
1395

    
1396
# demuxers / muxers
1397
ac3_demuxer_select="ac3_parser"
1398
asf_stream_muxer_select="asf_muxer"
1399
avisynth_demuxer_deps="avisynth"
1400
dirac_demuxer_select="dirac_parser"
1401
eac3_demuxer_select="ac3_parser"
1402
flac_demuxer_select="flac_parser"
1403
ipod_muxer_select="mov_muxer"
1404
libnut_demuxer_deps="libnut"
1405
libnut_muxer_deps="libnut"
1406
matroska_audio_muxer_select="matroska_muxer"
1407
matroska_demuxer_suggest="zlib bzlib"
1408
mov_demuxer_suggest="zlib"
1409
mp3_demuxer_select="mpegaudio_parser"
1410
mp4_muxer_select="mov_muxer"
1411
mpegtsraw_demuxer_select="mpegts_demuxer"
1412
mxf_d10_muxer_select="mxf_muxer"
1413
ogg_demuxer_select="golomb"
1414
psp_muxer_select="mov_muxer"
1415
rtp_demuxer_select="sdp_demuxer"
1416
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1417
rtsp_demuxer_select="http_protocol rtpdec"
1418
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1419
sap_demuxer_select="sdp_demuxer"
1420
sap_muxer_select="rtp_muxer rtp_protocol"
1421
sdp_demuxer_select="rtpdec"
1422
spdif_muxer_select="aac_parser"
1423
tg2_muxer_select="mov_muxer"
1424
tgp_muxer_select="mov_muxer"
1425
w64_demuxer_deps="wav_demuxer"
1426

    
1427
# indevs / outdevs
1428
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1429
alsa_outdev_deps="alsa_asoundlib_h"
1430
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1431
dv1394_indev_deps="dv1394 dv_demuxer"
1432
jack_indev_deps="jack_jack_h"
1433
libdc1394_indev_deps="libdc1394"
1434
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1435
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1436
v4l_indev_deps="linux_videodev_h"
1437
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1438
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1439
vfwcap_indev_extralibs="-lavicap32"
1440
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1441
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1442

    
1443
# protocols
1444
gopher_protocol_deps="network"
1445
http_protocol_deps="network"
1446
http_protocol_select="tcp_protocol"
1447
mmsh_protocol_select="http_protocol"
1448
mmst_protocol_deps="network"
1449
rtmp_protocol_select="tcp_protocol"
1450
rtp_protocol_select="udp_protocol"
1451
tcp_protocol_deps="network"
1452
udp_protocol_deps="network"
1453

    
1454
# filters
1455
blackframe_filter_deps="gpl"
1456
cropdetect_filter_deps="gpl"
1457
frei0r_filter_deps="frei0r dlopen strtok_r"
1458
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1459
hqdn3d_filter_deps="gpl"
1460
scale_filter_deps="swscale"
1461
ocv_filter_deps="libopencv"
1462
yadif_filter_deps="gpl"
1463

    
1464
# libraries
1465
avdevice_deps="avcodec avformat"
1466
avformat_deps="avcodec"
1467

    
1468
# programs
1469
ffmpeg_deps="avcodec avformat swscale"
1470
ffmpeg_select="buffer_filter"
1471
ffplay_deps="avcodec avformat swscale sdl"
1472
ffplay_select="rdft"
1473
ffprobe_deps="avcodec avformat"
1474
ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1475
ffserver_extralibs='$ldl'
1476

    
1477
doc_deps="texi2html"
1478

    
1479
# tests
1480

    
1481
test_deps(){
1482
    suf1=$1
1483
    suf2=$2
1484
    shift 2
1485
    for v; do
1486
        dep=${v%=*}
1487
        tests=${v#*=}
1488
        for name in ${tests}; do
1489
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1490
        done
1491
    done
1492
}
1493

    
1494
set_ne_test_deps(){
1495
    eval ${1}_be_test_deps="bigendian"
1496
    eval ${1}_le_test_deps="!bigendian"
1497
}
1498

    
1499
test_deps _encoder _decoder                                             \
1500
    adpcm_g726=g726                                                     \
1501
    adpcm_ima_qt                                                        \
1502
    adpcm_ima_wav                                                       \
1503
    adpcm_ms                                                            \
1504
    adpcm_swf                                                           \
1505
    adpcm_yamaha=adpcm_yam                                              \
1506
    alac                                                                \
1507
    asv1                                                                \
1508
    asv2                                                                \
1509
    bmp                                                                 \
1510
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1511
    dvvideo="dv dv50"                                                   \
1512
    ffv1                                                                \
1513
    flac                                                                \
1514
    flashsv                                                             \
1515
    flv                                                                 \
1516
    gif                                                                 \
1517
    h261                                                                \
1518
    h263="h263 h263p"                                                   \
1519
    huffyuv                                                             \
1520
    jpegls                                                              \
1521
    mjpeg="jpg mjpeg ljpeg"                                             \
1522
    mp2                                                                 \
1523
    mpeg1video="mpeg mpeg1b"                                            \
1524
    mpeg2video="mpeg2 mpeg2thread"                                      \
1525
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1526
    msmpeg4v3=msmpeg4                                                   \
1527
    msmpeg4v2                                                           \
1528
    pbm=pbmpipe                                                         \
1529
    pcx                                                                 \
1530
    pgm="pgm pgmpipe"                                                   \
1531
    png                                                                 \
1532
    ppm="ppm ppmpipe"                                                   \
1533
    rawvideo="rgb yuv"                                                  \
1534
    roq                                                                 \
1535
    rv10                                                                \
1536
    rv20                                                                \
1537
    sgi                                                                 \
1538
    snow="snow snowll"                                                  \
1539
    svq1                                                                \
1540
    targa=tga                                                           \
1541
    tiff                                                                \
1542
    wmav1                                                               \
1543
    wmav2                                                               \
1544
    wmv1                                                                \
1545
    wmv2                                                                \
1546

    
1547
test_deps _muxer _demuxer                                               \
1548
    aiff                                                                \
1549
    pcm_alaw=alaw                                                       \
1550
    asf                                                                 \
1551
    au                                                                  \
1552
    avi                                                                 \
1553
    dv=dv_fmt                                                           \
1554
    ffm                                                                 \
1555
    flv=flv_fmt                                                         \
1556
    gxf                                                                 \
1557
    matroska=mkv                                                        \
1558
    mmf                                                                 \
1559
    mov                                                                 \
1560
    pcm_mulaw=mulaw                                                     \
1561
    mxf                                                                 \
1562
    nut                                                                 \
1563
    ogg                                                                 \
1564
    rawvideo=pixfmt                                                     \
1565
    rm                                                                  \
1566
    swf                                                                 \
1567
    mpegts=ts                                                           \
1568
    voc                                                                 \
1569
    wav                                                                 \
1570
    yuv4mpegpipe=yuv4mpeg                                               \
1571

    
1572
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1573
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1574

    
1575
set_ne_test_deps pixdesc
1576
set_ne_test_deps pixfmts_copy
1577
set_ne_test_deps pixfmts_crop
1578
set_ne_test_deps pixfmts_hflip
1579
set_ne_test_deps pixfmts_null
1580
set_ne_test_deps pixfmts_pad
1581
set_ne_test_deps pixfmts_scale
1582
set_ne_test_deps pixfmts_vflip
1583

    
1584
# default parameters
1585

    
1586
logfile="config.log"
1587

    
1588
# installation paths
1589
prefix_default="/usr/local"
1590
bindir_default='${prefix}/bin'
1591
datadir_default='${prefix}/share/ffmpeg'
1592
incdir_default='${prefix}/include'
1593
libdir_default='${prefix}/lib'
1594
mandir_default='${prefix}/share/man'
1595
shlibdir_default="$libdir_default"
1596

    
1597
# toolchain
1598
ar_default="ar"
1599
cc_default="gcc"
1600
cc_version=\"unknown\"
1601
host_cc_default="gcc"
1602
ln_s="ln -sf"
1603
nm_default="nm"
1604
objformat="elf"
1605
pkg_config_default=pkg-config
1606
ranlib="ranlib"
1607
strip_default="strip"
1608
yasmexe="yasm"
1609
nogas=":"
1610

    
1611
nm_opts='-g'
1612

    
1613
# machine
1614
arch_default=$(uname -m)
1615
cpu="generic"
1616

    
1617
# OS
1618
target_os_default=$(tolower $(uname -s))
1619
host_os=$target_os_default
1620

    
1621
# configurable options
1622
enable avcodec
1623
enable avdevice
1624
enable avfilter
1625
enable avformat
1626
enable avutil
1627
enable asm
1628
enable debug
1629
enable doc
1630
enable fastdiv
1631
enable ffmpeg
1632
enable ffplay
1633
enable ffprobe
1634
enable ffserver
1635
enable mpegaudio_hp
1636
enable network
1637
enable optimizations
1638
enable protocols
1639
enable static
1640
enable stripping
1641
enable swscale
1642
enable swscale_alpha
1643

    
1644
# build settings
1645
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1646
FFSERVERLDFLAGS=-Wl,-E
1647
LIBPREF="lib"
1648
LIBSUF=".a"
1649
FULLNAME='$(NAME)$(BUILDSUF)'
1650
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1651
SLIBPREF="lib"
1652
SLIBSUF=".so"
1653
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1654
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1655
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1656
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1657

    
1658
CC_O='-o $@'
1659

    
1660
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1661
host_libs='-lm'
1662

    
1663
target_path='$(CURDIR)'
1664

    
1665
# since the object filename is not given with the -MM flag, the compiler
1666
# is only able to print the basename, and we must add the path ourselves
1667
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1668
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1669

    
1670
# find source path
1671
source_path="$(dirname "$0")"
1672
enable source_path_used
1673
if test -f configure; then
1674
    source_path="$(pwd)"
1675
    disable source_path_used
1676
else
1677
    source_path="$(cd "$source_path"; pwd)"
1678
    echo "$source_path" | grep -q '[[:blank:]]' &&
1679
        die "Out of tree builds are impossible with whitespace in source path."
1680
    test -e "$source_path/config.h" &&
1681
        die "Out of tree builds are impossible with config.h in source dir."
1682
fi
1683

    
1684
for v in "$@"; do
1685
    r=${v#*=}
1686
    l=${v%"$r"}
1687
    r=$(sh_quote "$r")
1688
    LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1689
done
1690

    
1691
find_things(){
1692
    thing=$1
1693
    pattern=$2
1694
    file=$source_path/$3
1695
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1696
}
1697

    
1698
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1699
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1700
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1701
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1702
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1703
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1704
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1705
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1706
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1707
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1708
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1709

    
1710
find_tests(){
1711
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1712
}
1713

    
1714
ACODEC_TESTS=$(find_tests acodec)
1715
VCODEC_TESTS=$(find_tests vsynth1)
1716
LAVF_TESTS=$(find_tests lavf)
1717
LAVFI_TESTS=$(find_tests lavfi)
1718
SEEK_TESTS=$(find_tests seek seek_)
1719

    
1720
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1721

    
1722
for n in $COMPONENT_LIST; do
1723
    v=$(toupper ${n%s})_LIST
1724
    eval enable \$$v
1725
    eval ${n}_if_any="\$$v"
1726
done
1727

    
1728
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1729

    
1730
die_unknown(){
1731
    echo "Unknown option \"$1\"."
1732
    echo "See $0 --help for available options."
1733
    exit 1
1734
}
1735

    
1736
show_list() {
1737
    suffix=_$1
1738
    shift
1739
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1740
    exit 0
1741
}
1742

    
1743
for opt do
1744
    optval="${opt#*=}"
1745
    case "$opt" in
1746
    --extra-ldflags=*) add_ldflags $optval
1747
    ;;
1748
    --extra-libs=*) add_extralibs $optval
1749
    ;;
1750
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1751
    ;;
1752
    --enable-debug=*) debuglevel="$optval"
1753
    ;;
1754
    --disable-everything)
1755
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1756
    ;;
1757
    --enable-*=*|--disable-*=*)
1758
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1759
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1760
    eval list=\$$(toupper $thing)_LIST
1761
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1762
    $action $(filter "$name" $list)
1763
    ;;
1764
    --enable-?*|--disable-?*)
1765
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1766
    if is_in $option $COMPONENT_LIST; then
1767
        test $action = disable && action=unset
1768
        eval $action \$$(toupper ${option%s})_LIST
1769
    elif is_in $option $CMDLINE_SELECT; then
1770
        $action $option
1771
    else
1772
        die_unknown $opt
1773
    fi
1774
    ;;
1775
    --list-*)
1776
        NAME="${opt#--list-}"
1777
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1778
        NAME=${NAME%s}
1779
        eval show_list $NAME \$$(toupper $NAME)_LIST
1780
    ;;
1781
    --help|-h) show_help
1782
    ;;
1783
    *)
1784
    optname="${opt%%=*}"
1785
    optname="${optname#--}"
1786
    optname=$(echo "$optname" | sed 's/-/_/g')
1787
    if is_in $optname $CMDLINE_SET; then
1788
        eval $optname='$optval'
1789
    elif is_in $optname $CMDLINE_APPEND; then
1790
        append $optname "$optval"
1791
    else
1792
         die_unknown $opt
1793
    fi
1794
    ;;
1795
    esac
1796
done
1797

    
1798
disabled logging && logfile=/dev/null
1799

    
1800
echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1801
set >> $logfile
1802

    
1803
test -n "$cross_prefix" && enable cross_compile
1804

    
1805
if enabled cross_compile; then
1806
    test -n "$arch" && test -n "$target_os" ||
1807
        die "Must specify target arch and OS when cross-compiling"
1808
fi
1809

    
1810
set_default arch target_os
1811

    
1812
ar_default="${cross_prefix}${ar_default}"
1813
cc_default="${cross_prefix}${cc_default}"
1814
nm_default="${cross_prefix}${nm_default}"
1815
pkg_config_default="${cross_prefix}${pkg_config_default}"
1816
ranlib="${cross_prefix}${ranlib}"
1817
strip_default="${cross_prefix}${strip_default}"
1818

    
1819
sysinclude_default="${sysroot}/usr/include"
1820

    
1821
set_default cc nm pkg_config strip sysinclude
1822
enabled cross_compile || host_cc_default=$cc
1823
set_default host_cc
1824

    
1825
exesuf() {
1826
    case $1 in
1827
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1828
    esac
1829
}
1830

    
1831
EXESUF=$(exesuf $target_os)
1832
HOSTEXESUF=$(exesuf $host_os)
1833

    
1834
# set temporary file name
1835
: ${TMPDIR:=$TEMPDIR}
1836
: ${TMPDIR:=$TMP}
1837
: ${TMPDIR:=/tmp}
1838

    
1839
if ! check_cmd mktemp -u XXXXXX; then
1840
    # simple replacement for missing mktemp
1841
    # NOT SAFE FOR GENERAL USE
1842
    mktemp(){
1843
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1844
    }
1845
fi
1846

    
1847
tmpfile(){
1848
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1849
        (set -C; exec > $tmp) 2>/dev/null ||
1850
        die "Unable to create temporary file in $TMPDIR."
1851
    append TMPFILES $tmp
1852
    eval $1=$tmp
1853
}
1854

    
1855
trap 'rm -f -- $TMPFILES' EXIT
1856

    
1857
tmpfile TMPC  .c
1858
tmpfile TMPE  $EXESUF
1859
tmpfile TMPH  .h
1860
tmpfile TMPO  .o
1861
tmpfile TMPS  .S
1862
tmpfile TMPV  .ver
1863
tmpfile TMPSH .sh
1864
tmpfile TMPASM .asm
1865

    
1866
unset -f mktemp
1867

    
1868
chmod +x $TMPE
1869

    
1870
# make sure we can execute files in $TMPDIR
1871
cat > $TMPSH 2>> $logfile <<EOF
1872
#! /bin/sh
1873
EOF
1874
chmod +x $TMPSH >> $logfile 2>&1
1875
if ! $TMPSH >> $logfile 2>&1; then
1876
    cat <<EOF
1877
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1878
variable to another directory and make sure that it is not mounted noexec.
1879
EOF
1880
    die "Sanity test failed."
1881
fi
1882

    
1883
filter_cflags=echo
1884
filter_cppflags=echo
1885
filter_asflags=echo
1886

    
1887
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1888
    cc_type=llvm_gcc
1889
    cc_version=__VERSION__
1890
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1891
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1892
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1893
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1894
    speed_cflags='-O3'
1895
    size_cflags='-Os'
1896
elif $cc -v 2>&1 | grep -qi ^gcc; then
1897
    cc_type=gcc
1898
    cc_version=__VERSION__
1899
    gcc_version=$($cc --version | head -n1)
1900
    gcc_basever=$($cc -dumpversion)
1901
    gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1902
    gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1903
    cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1904
    if ! $cc -dumpversion | grep -q '^2\.'; then
1905
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1906
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1907
    fi
1908
    speed_cflags='-O3'
1909
    size_cflags='-Os'
1910
elif $cc --version 2>/dev/null | grep -q Intel; then
1911
    cc_type=icc
1912
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1913
    cc_ident=$($cc --version | head -n1)
1914
    icc_version=$($cc -dumpversion)
1915
    CC_DEPFLAGS='-MMD'
1916
    AS_DEPFLAGS='-MMD'
1917
    speed_cflags='-O3'
1918
    size_cflags='-Os'
1919
    noopt_cflags='-O1'
1920
elif $cc -v 2>&1 | grep -q xlc; then
1921
    cc_type=xlc
1922
    cc_version="AV_STRINGIFY(__IBMC__)"
1923
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1924
    speed_cflags='-O5'
1925
    size_cflags='-O5 -qcompact'
1926
elif $cc -V 2>/dev/null | grep -q Compaq; then
1927
    cc_type=ccc
1928
    cc_version="AV_STRINGIFY(__DECC_VER)"
1929
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1930
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1931
    debuglevel=3
1932
    add_ldflags -Wl,-z,now # calls to libots crash without this
1933
    speed_cflags='-fast'
1934
    size_cflags='-O1'
1935
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1936
    test -d "$sysroot" || die "No valid sysroot specified."
1937
    cc_type=armcc
1938
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1939
    cc_ident=$($cc --vsn | head -n1)
1940
    armcc_conf="$PWD/armcc.conf"
1941
    $cc --arm_linux_configure                 \
1942
        --arm_linux_config_file="$armcc_conf" \
1943
        --configure_sysroot="$sysroot"        \
1944
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1945
        die "Error creating armcc configuration file."
1946
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1947
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1948
    as_default="${cross_prefix}gcc"
1949
    CC_DEPFLAGS='-MMD'
1950
    AS_DEPFLAGS='-MMD'
1951
    speed_cflags='-O3'
1952
    size_cflags='-Os'
1953
    filter_asflags="filter_out -W${armcc_opt}*"
1954
elif $cc -version 2>/dev/null | grep -q TMS470; then
1955
    cc_type=tms470
1956
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1957
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1958
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1959
    CC_O='-fr=$(@D)'
1960
    as_default="${cross_prefix}gcc"
1961
    ld_default="${cross_prefix}gcc"
1962
    TMPO=$(basename $TMPC .c).o
1963
    append TMPFILES $TMPO
1964
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1965
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1966
    AS_DEPFLAGS='-MMD'
1967
    speed_cflags='-O3 -mf=5'
1968
    size_cflags='-O3 -mf=2'
1969
    filter_cflags=tms470_flags
1970
    tms470_flags(){
1971
        for flag; do
1972
            case $flag in
1973
                -march=*|-mcpu=*)
1974
                    case "${flag#*=}" in
1975
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1976
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1977
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1978
                        armv6*|arm11*)          echo -mv=6   ;;
1979
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1980
                                                echo -mv=5e  ;;
1981
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1982
                    esac
1983
                    ;;
1984
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1985
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1986
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1987
                -msoft-float)   echo --float_support=vfplib       ;;
1988
                -O[0-3]|-mf=*)  echo $flag                        ;;
1989
                -g)             echo -g -mn                       ;;
1990
                -pds=*)         echo $flag                        ;;
1991
            esac
1992
        done
1993
    }
1994
elif $cc -v 2>&1 | grep -q clang; then
1995
    cc_type=clang
1996
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1997
        cc_version=__clang_version__ || cc_version=__VERSION__
1998
    cc_ident=$($cc --version | head -n1)
1999
    CC_DEPFLAGS='-MMD'
2000
    AS_DEPFLAGS='-MMD'
2001
    speed_cflags='-O3'
2002
    size_cflags='-Os'
2003
elif $cc -V 2>&1 | grep -q Sun; then
2004
    cc_type=suncc
2005
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
2006
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2007
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2008
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2009
    speed_cflags='-O5'
2010
    size_cflags='-O5 -xspace'
2011
    filter_cflags=suncc_flags
2012
    suncc_flags(){
2013
        for flag; do
2014
            case $flag in
2015
                -march=*|-mcpu=*)
2016
                    case "${flag#*=}" in
2017
                        native)                   echo -xtarget=native       ;;
2018
                        v9|niagara)               echo -xarch=sparc          ;;
2019
                        ultrasparc)               echo -xarch=sparcvis       ;;
2020
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2021
                        i586|pentium)             echo -xchip=pentium        ;;
2022
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2023
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2024
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2025
                        pentium4*)          echo -xtarget=pentium4           ;;
2026
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2027
                        *-sse3)             echo -xarch=sse3                 ;;
2028
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
2029
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2030
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2031
                        k8|opteron|athlon64|athlon-fx)
2032
                                                  echo -xarch=sse2a          ;;
2033
                        athlon*)                  echo -xarch=pentium_proa   ;;
2034
                    esac
2035
                    ;;
2036
                -std=c99)             echo -xc99              ;;
2037
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
2038
                -fPIC)                echo -KPIC -xcode=pic32 ;;
2039
                -W*,*)                echo $flag              ;;
2040
                -f*-*|-W*)                                    ;;
2041
                *)                    echo $flag              ;;
2042
            esac
2043
        done
2044
    }
2045
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2046
    cc_type=pathscale
2047
    cc_version=__PATHSCALE__
2048
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2049
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2050
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2051
    speed_cflags='-O2'
2052
    size_cflags='-Os'
2053
elif $cc -v 2>&1 | grep -q Open64; then
2054
    cc_type=open64
2055
    cc_version=__OPEN64__
2056
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2057
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2058
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2059
    speed_cflags='-O2'
2060
    size_cflags='-Os'
2061
fi
2062

    
2063
test -n "$cc_type" && enable $cc_type ||
2064
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2065

    
2066
: ${as_default:=$cc}
2067
: ${dep_cc_default:=$cc}
2068
: ${ld_default:=$cc}
2069
set_default ar as dep_cc ld
2070

    
2071
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2072
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2073

    
2074
add_cflags $extra_cflags
2075
add_asflags $extra_cflags
2076

    
2077
if test -n "$sysroot"; then
2078
    case "$cc_type" in
2079
        gcc|llvm_gcc|clang)
2080
            add_cppflags --sysroot="$sysroot"
2081
            add_ldflags --sysroot="$sysroot"
2082
        ;;
2083
        tms470)
2084
            add_cppflags -I"$sysinclude"
2085
            add_ldflags  --sysroot="$sysroot"
2086
        ;;
2087
    esac
2088
fi
2089

    
2090
if test "$cpu" = host; then
2091
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2092

    
2093
    case "$cc_type" in
2094
        gcc|llvm_gcc)
2095
            check_native(){
2096
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2097
                sed -n "/$1=/{
2098
                            s/.*$1=\\([^ ]*\\).*/\\1/
2099
                            p
2100
                            q
2101
                        }" $TMPE
2102
            }
2103
            cpu=$(check_native -march || check_native -mcpu)
2104
        ;;
2105
    esac
2106

    
2107
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2108
fi
2109

    
2110
# Deal with common $arch aliases
2111
case "$arch" in
2112
    arm*)
2113
        arch="arm"
2114
    ;;
2115
    mips|mipsel|IP*)
2116
        arch="mips"
2117
    ;;
2118
    mips64*)
2119
        arch="mips"
2120
        subarch="mips64"
2121
    ;;
2122
    parisc|hppa)
2123
        arch="parisc"
2124
    ;;
2125
    parisc64|hppa64)
2126
        arch="parisc"
2127
        subarch="parisc64"
2128
    ;;
2129
    "Power Macintosh"|ppc|powerpc)
2130
        arch="ppc"
2131
    ;;
2132
    ppc64|powerpc64)
2133
        arch="ppc"
2134
        subarch="ppc64"
2135
    ;;
2136
    s390|s390x)
2137
        arch="s390"
2138
    ;;
2139
    sh4|sh)
2140
        arch="sh4"
2141
    ;;
2142
    sun4u|sparc64)
2143
        arch="sparc"
2144
        subarch="sparc64"
2145
    ;;
2146
    i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2147
        arch="x86"
2148
    ;;
2149
esac
2150

    
2151
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2152
enable $arch
2153

    
2154
# Add processor-specific flags
2155
if test "$cpu" = generic; then
2156
    : do nothing
2157
elif enabled ppc; then
2158

    
2159
    case $(tolower $cpu) in
2160
        601|ppc601|powerpc601)
2161
            cpuflags="-mcpu=601"
2162
            disable altivec
2163
        ;;
2164
        603*|ppc603*|powerpc603*)
2165
            cpuflags="-mcpu=603"
2166
            disable altivec
2167
        ;;
2168
        604*|ppc604*|powerpc604*)
2169
            cpuflags="-mcpu=604"
2170
            disable altivec
2171
        ;;
2172
        g3|75*|ppc75*|powerpc75*)
2173
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2174
            disable altivec
2175
        ;;
2176
        g4|745*|ppc745*|powerpc745*)
2177
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2178
        ;;
2179
        74*|ppc74*|powerpc74*)
2180
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2181
        ;;
2182
        g5|970|ppc970|powerpc970|power4*)
2183
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2184
        ;;
2185
        cell)
2186
            cpuflags="-mcpu=cell"
2187
            enable ldbrx
2188
        ;;
2189
        e500v2)
2190
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2191
            disable altivec
2192
        ;;
2193
        e500)
2194
            cpuflags="-mcpu=8540 -mhard-float"
2195
            disable altivec
2196
        ;;
2197
    esac
2198

    
2199
elif enabled x86; then
2200

    
2201
    case $cpu in
2202
        i[345]86|pentium)
2203
            cpuflags="-march=$cpu"
2204
            disable mmx
2205
        ;;
2206
        # targets that do NOT support conditional mov (cmov)
2207
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2208
            cpuflags="-march=$cpu"
2209
            disable cmov
2210
        ;;
2211
        # targets that do support conditional mov (cmov)
2212
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2213
            cpuflags="-march=$cpu"
2214
            enable cmov
2215
            enable fast_cmov
2216
        ;;
2217
        # targets that do support conditional mov but on which it's slow
2218
        pentium4|pentium4m|prescott|nocona)
2219
            cpuflags="-march=$cpu"
2220
            enable cmov
2221
            disable fast_cmov
2222
        ;;
2223
    esac
2224

    
2225
elif enabled sparc; then
2226

    
2227
    case $cpu in
2228
        niagara)
2229
            cpuflags="-mcpu=$cpu"
2230
            disable vis
2231
        ;;
2232
        sparc64)
2233
            cpuflags="-mcpu=v9"
2234
        ;;
2235
    esac
2236

    
2237
elif enabled arm; then
2238

    
2239
    case $cpu in
2240
        armv*)
2241
            cpuflags="-march=$cpu"
2242
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2243
        ;;
2244
        *)
2245
            cpuflags="-mcpu=$cpu"
2246
            case $cpu in
2247
                cortex-a*)                               subarch=armv7a  ;;
2248
                cortex-r*)                               subarch=armv7r  ;;
2249
                cortex-m*)                               subarch=armv7m  ;;
2250
                arm11*)                                  subarch=armv6   ;;
2251
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2252
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2253
            esac
2254
        ;;
2255
    esac
2256

    
2257
elif enabled alpha; then
2258

    
2259
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2260

    
2261
elif enabled bfin; then
2262

    
2263
    cpuflags="-mcpu=$cpu"
2264

    
2265
elif enabled mips; then
2266

    
2267
    cpuflags="-march=$cpu"
2268

    
2269
elif enabled avr32; then
2270

    
2271
    case $cpu in
2272
        ap7[02]0[0-2])
2273
            subarch="avr32_ap"
2274
            cpuflags="-mpart=$cpu"
2275
        ;;
2276
        ap)
2277
            subarch="avr32_ap"
2278
            cpuflags="-march=$cpu"
2279
        ;;
2280
        uc3[ab]*)
2281
            subarch="avr32_uc"
2282
            cpuflags="-mcpu=$cpu"
2283
        ;;
2284
        uc)
2285
            subarch="avr32_uc"
2286
            cpuflags="-march=$cpu"
2287
        ;;
2288
    esac
2289

    
2290
fi
2291

    
2292
add_cflags $cpuflags
2293
add_asflags $cpuflags
2294

    
2295
# compiler sanity check
2296
check_exec <<EOF
2297
int main(void){ return 0; }
2298
EOF
2299
if test "$?" != 0; then
2300
    echo "$cc is unable to create an executable file."
2301
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2302
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2303
        echo "Only do this if you know what cross compiling means."
2304
    fi
2305
    die "C compiler test failed."
2306
fi
2307

    
2308
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2309
check_cflags -std=c99
2310
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2311
#include <stdlib.h>
2312
EOF
2313
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2314
#include <stdlib.h>
2315
EOF
2316

    
2317
check_host_cflags -std=c99
2318

    
2319
case "$arch" in
2320
    alpha|ia64|mips|parisc|sparc)
2321
        spic=$shared
2322
    ;;
2323
    x86)
2324
        subarch="x86_32"
2325
        check_cc <<EOF && subarch="x86_64"
2326
        int test[(int)sizeof(char*) - 7];
2327
EOF
2328
        if test "$subarch" = "x86_64"; then
2329
            spic=$shared
2330
        fi
2331
    ;;
2332
esac
2333

    
2334
enable $subarch
2335
enabled spic && enable pic
2336

    
2337
# OS specific
2338
case $target_os in
2339
    haiku)
2340
        prefix_default="/boot/common"
2341
        network_extralibs="-lnetwork"
2342
        host_libs=
2343
        ;;
2344
    sunos)
2345
        FFSERVERLDFLAGS=""
2346
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2347
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2348
        network_extralibs="-lsocket -lnsl"
2349
        add_cppflags -D__EXTENSIONS__
2350
        nm_opts='-P -g'
2351
        ;;
2352
    netbsd)
2353
        disable symver
2354
        oss_indev_extralibs="-lossaudio"
2355
        oss_outdev_extralibs="-lossaudio"
2356
        add_cppflags -D_XOPEN_SOURCE=600
2357
        ;;
2358
    openbsd)
2359
        enable malloc_aligned
2360
        # On OpenBSD 4.5. the compiler does not use PIC unless
2361
        # explicitly using -fPIC. Libav builds fine without PIC,
2362
        # however the generated executable will not do anything
2363
        # (simply quits with exit-code 1, no crash, no output).
2364
        # Thus explicitly enable PIC here.
2365
        enable pic
2366
        disable symver
2367
        SHFLAGS='-shared'
2368
        oss_indev_extralibs="-lossaudio"
2369
        oss_outdev_extralibs="-lossaudio"
2370
        ;;
2371
    dragonfly)
2372
        enable malloc_aligned
2373
        disable symver
2374
        ;;
2375
    freebsd)
2376
        enable malloc_aligned
2377
        ;;
2378
    bsd/os)
2379
        add_extralibs -lpoll -lgnugetopt
2380
        strip="strip -d"
2381
        ;;
2382
    darwin)
2383
        enable malloc_aligned
2384
        gas="gas-preprocessor.pl $cc"
2385
        enabled ppc && add_asflags -force_cpusubtype_ALL
2386
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2387
        enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2388
        strip="${strip} -x"
2389
        add_ldflags -Wl,-dynamic,-search_paths_first
2390
        SLIBSUF=".dylib"
2391
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2392
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2393
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2394
        objformat="macho"
2395
        enabled x86_64 && objformat="macho64"
2396
        enabled_any pic shared ||
2397
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2398
        ;;
2399
    mingw32*)
2400
        if test $target_os = "mingw32ce"; then
2401
            disable network
2402
        else
2403
            target_os=mingw32
2404
        fi
2405
        LIBTARGET=i386
2406
        if enabled x86_64; then
2407
            enable malloc_aligned
2408
            LIBTARGET="i386:x86-64"
2409
        elif enabled arm; then
2410
            LIBTARGET=arm-wince
2411
        fi
2412
        shlibdir_default="$bindir_default"
2413
        SLIBPREF=""
2414
        SLIBSUF=".dll"
2415
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2416
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2417
        SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2418
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2419
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2420
            install -d "$(LIBDIR)"; \
2421
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2422
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2423
        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'
2424
        objformat="win32"
2425
        dlltool="${cross_prefix}dlltool"
2426
        enable dos_paths
2427
        check_cflags -fno-common
2428
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2429
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2430
                die "ERROR: MinGW runtime version must be >= 3.15."
2431
        add_cppflags -U__STRICT_ANSI__
2432
        ;;
2433
    cygwin*)
2434
        target_os=cygwin
2435
        shlibdir_default="$bindir_default"
2436
        SLIBPREF="cyg"
2437
        SLIBSUF=".dll"
2438
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2439
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2440
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2441
        objformat="win32"
2442
        enable dos_paths
2443
        check_cflags -fno-common
2444
        ;;
2445
    *-dos|freedos|opendos)
2446
        network_extralibs="-lsocket"
2447
        objformat="coff"
2448
        enable dos_paths
2449
        ;;
2450
    linux)
2451
        enable dv1394
2452
        ;;
2453
    irix*)
2454
        target_os=irix
2455
        ranlib="echo ignoring ranlib"
2456
        ;;
2457
    os/2*)
2458
        strip="lxlite -CS"
2459
        ln_s="cp -f"
2460
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2461
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2462
        FFSERVERLDFLAGS=""
2463
        LIBSUF="_s.a"
2464
        SLIBPREF=""
2465
        SLIBSUF=".dll"
2466
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2467
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2468
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2469
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2470
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2471
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2472
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2473
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2474
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2475
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2476
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2477
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2478
        enable dos_paths
2479
        ;;
2480
    gnu/kfreebsd)
2481
        ;;
2482
    gnu)
2483
        ;;
2484
    qnx)
2485
        add_cppflags -D_QNX_SOURCE
2486
        network_extralibs="-lsocket"
2487
        ;;
2488
    none)
2489
        ;;
2490
    *)
2491
        die "Unknown OS '$target_os'."
2492
        ;;
2493
esac
2494

    
2495
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2496

    
2497
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2498

    
2499
set_default $PATHS_LIST
2500

    
2501
# we need to build at least one lib type
2502
if ! enabled_any static shared; then
2503
    cat <<EOF
2504
At least one library type must be built.
2505
Specify --enable-static to build the static libraries or --enable-shared to
2506
build the shared libraries as well. To only build the shared libraries specify
2507
--disable-static in addition to --enable-shared.
2508
EOF
2509
    exit 1;
2510
fi
2511

    
2512
disabled static && LIBNAME=""
2513

    
2514
die_license_disabled() {
2515
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2516
}
2517

    
2518
die_license_disabled gpl libx264
2519
die_license_disabled gpl libxavs
2520
die_license_disabled gpl libxvid
2521
die_license_disabled gpl postproc
2522
die_license_disabled gpl x11grab
2523

    
2524
die_license_disabled nonfree libfaac
2525

    
2526
die_license_disabled version3 libopencore_amrnb
2527
die_license_disabled version3 libopencore_amrwb
2528

    
2529
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2530

    
2531
disabled optimizations || check_cflags -fomit-frame-pointer
2532

    
2533
enable_pic() {
2534
    enable pic
2535
    add_cppflags -DPIC
2536
    add_cflags   -fPIC
2537
    add_asflags  -fPIC
2538
}
2539

    
2540
enabled pic && enable_pic
2541

    
2542
check_cc <<EOF || die "Symbol mangling check failed."
2543
int ff_extern;
2544
EOF
2545
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2546
extern_prefix=${sym%%ff_extern*}
2547

    
2548
check_cc <<EOF && enable inline_asm
2549
void foo(void) { __asm__ volatile ("" ::); }
2550
EOF
2551

    
2552
_restrict=
2553
for restrict_keyword in restrict __restrict__ __restrict; do
2554
    check_cc <<EOF && _restrict=$restrict_keyword && break
2555
void foo(char * $restrict_keyword p);
2556
EOF
2557
done
2558

    
2559
check_cc <<EOF && enable attribute_packed
2560
struct { int x; } __attribute__((packed)) x;
2561
EOF
2562

    
2563
check_cc <<EOF && enable attribute_may_alias
2564
union { int x; } __attribute__((may_alias)) x;
2565
EOF
2566

    
2567
check_cc <<EOF || die "endian test failed"
2568
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2569
EOF
2570
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2571

    
2572
if enabled alpha; then
2573

    
2574
    check_cflags -mieee
2575

    
2576
elif enabled arm; then
2577

    
2578
    check_cflags -marm
2579
    nogas=die
2580

    
2581
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2582
        enable vfp_args
2583
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2584
        case "${cross_prefix:-$cc}" in
2585
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2586
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2587
__asm__ (".eabi_attribute 28, 1");
2588
int main(void) { return 0; }
2589
EOF
2590
        esac
2591
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2592
    fi
2593

    
2594
    # We have to check if pld is a nop and disable it.
2595
    check_asm pld '"pld [r0]"'
2596

    
2597
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2598
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2599
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2600
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2601
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2602
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2603

    
2604
    enabled_all armv6t2 shared !pic && enable_pic
2605

    
2606
elif enabled mips; then
2607

    
2608
    check_asm loongson '"dmult.g $1, $2, $3"'
2609
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2610

    
2611
elif enabled ppc; then
2612

    
2613
    enable local_aligned_8 local_aligned_16
2614

    
2615
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2616
    check_asm ibm_asm   '"add 0, 0, 0"'
2617
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2618
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2619

    
2620
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2621
    if enabled altivec; then
2622
        nogas=warn
2623
        check_cflags -maltivec -mabi=altivec &&
2624
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2625
        check_cflags -faltivec
2626

    
2627
        # check if our compiler supports Motorola AltiVec C API
2628
        check_cc <<EOF || disable altivec
2629
$inc_altivec_h
2630
int main(void) {
2631
    vector signed int v1, v2, v3;
2632
    v1 = vec_add(v2,v3);
2633
    return 0;
2634
}
2635
EOF
2636

    
2637
        # check if our compiler supports braces for vector declarations
2638
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2639
$inc_altivec_h
2640
int main (void) { (vector int) {1}; return 0; }
2641
EOF
2642
    fi
2643

    
2644
elif enabled sparc; then
2645

    
2646
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2647
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2648

    
2649
elif enabled x86; then
2650

    
2651
    enable local_aligned_8 local_aligned_16
2652

    
2653
    # check whether EBP is available on x86
2654
    # As 'i' is stored on the stack, this program will crash
2655
    # if the base pointer is used to access it because the
2656
    # base pointer is cleared in the inline assembly code.
2657
    check_exec_crash <<EOF && enable ebp_available
2658
    volatile int i=0;
2659
    __asm__ volatile (
2660
        "xorl %%ebp, %%ebp"
2661
    ::: "%ebp");
2662
    return i;
2663
EOF
2664

    
2665
    # check whether EBX is available on x86
2666
    check_asm ebx_available '""::"b"(0)' &&
2667
        check_asm ebx_available '"":::"%ebx"'
2668

    
2669
    # check whether xmm clobbers are supported
2670
    check_asm xmm_clobbers '"":::"%xmm0"'
2671

    
2672
    # check whether more than 10 operands are supported
2673
    check_cc <<EOF && enable ten_operands
2674
int main(void) {
2675
    int x=0;
2676
    __asm__ volatile(
2677
        ""
2678
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2679
    );
2680
    return 0;
2681
}
2682
EOF
2683

    
2684
    # check whether binutils is new enough to compile SSSE3/MMX2
2685
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2686
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2687

    
2688
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2689

    
2690
    if ! disabled_any asm mmx yasm; then
2691
        if check_cmd $yasmexe --version; then
2692
            enabled x86_64 && yasm_extra="-m amd64"
2693
            yasm_debug="-g dwarf2"
2694
        elif check_cmd nasm -v; then
2695
            yasmexe=nasm
2696
            yasm_debug="-g -F dwarf"
2697
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2698
        fi
2699

    
2700
        YASMFLAGS="-f $objformat $yasm_extra"
2701
        enabled pic               && append YASMFLAGS "-DPIC"
2702
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2703
        case "$objformat" in
2704
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2705
        esac
2706

    
2707
        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2708
            die "yasm not found, use --disable-yasm for a crippled build"
2709
        check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2710
    fi
2711

    
2712
    case "$cpu" in
2713
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2714
            disable fast_clz
2715
        ;;
2716
    esac
2717

    
2718
fi
2719

    
2720
if enabled asm; then
2721
    as=${gas:=$as}
2722
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2723
        $nogas "GNU assembler not found, install gas-preprocessor"
2724
fi
2725

    
2726
check_ldflags -Wl,--as-needed
2727

    
2728
if check_func dlopen; then
2729
    ldl=
2730
elif check_func dlopen -ldl; then
2731
    ldl=-ldl
2732
fi
2733

    
2734
if enabled network; then
2735
    check_type "sys/types.h sys/socket.h" socklen_t
2736
    check_type netdb.h "struct addrinfo"
2737
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2738
    check_type netinet/in.h "struct sockaddr_in6"
2739
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2740
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2741
    # Prefer arpa/inet.h over winsock2
2742
    if check_header arpa/inet.h ; then
2743
        check_func closesocket
2744
    elif check_header winsock2.h ; then
2745
        check_func_headers winsock2.h closesocket -lws2 && \
2746
            network_extralibs="-lws2" || \
2747
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2748
            network_extralibs="-lws2_32"; }
2749
        check_type ws2tcpip.h socklen_t
2750
        check_type ws2tcpip.h "struct addrinfo"
2751
        check_type ws2tcpip.h "struct ipv6_mreq"
2752
        check_type ws2tcpip.h "struct sockaddr_in6"
2753
        check_type ws2tcpip.h "struct sockaddr_storage"
2754
        check_struct winsock2.h "struct sockaddr" sa_len
2755
    else
2756
        disable network
2757
    fi
2758
fi
2759

    
2760
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2761
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2762

    
2763
check_func  fcntl
2764
check_func  fork
2765
check_func  getaddrinfo $network_extralibs
2766
check_func  gethrtime
2767
check_func  getrusage
2768
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2769
check_func  inet_aton $network_extralibs
2770
check_func  isatty
2771
check_func  ${malloc_prefix}memalign            && enable memalign
2772
check_func  mkstemp
2773
check_func  mmap
2774
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2775
check_func  setrlimit
2776
check_func  strerror_r
2777
check_func  strtok_r
2778
check_func_headers conio.h kbhit
2779
check_func_headers io.h setmode
2780
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2781
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2782
check_func_headers windows.h GetProcessTimes
2783
check_func_headers windows.h MapViewOfFile
2784
check_func_headers windows.h VirtualAlloc
2785

    
2786
check_header dlfcn.h
2787
check_header dxva2api.h
2788
check_header malloc.h
2789
check_header poll.h
2790
check_header sys/mman.h
2791
check_header sys/resource.h
2792
check_header sys/select.h
2793
check_header vdpau/vdpau.h
2794
check_header vdpau/vdpau_x11.h
2795
check_header X11/extensions/XvMClib.h
2796

    
2797
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2798

    
2799
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2800
     enabled_any $need_memalign ; then
2801
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2802
fi
2803

    
2804
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2805
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2806

    
2807
# check for some common methods of building with pthread support
2808
# do this before the optional library checks as some of them require pthreads
2809
if ! disabled pthreads && ! enabled w32threads; then
2810
    enable pthreads
2811
    if check_func pthread_create; then
2812
        :
2813
    elif check_func pthread_create -pthread; then
2814
        add_cflags -pthread
2815
        add_extralibs -pthread
2816
    elif check_func pthread_create -pthreads; then
2817
        add_cflags -pthreads
2818
        add_extralibs -pthreads
2819
    elif check_func pthread_create -lpthreadGC2; then
2820
        add_extralibs -lpthreadGC2
2821
    elif ! check_lib pthread.h pthread_create -lpthread; then
2822
        disable pthreads
2823
    fi
2824
fi
2825

    
2826
for thread in $THREADS_LIST; do
2827
    if enabled $thread; then
2828
        test -n "$thread_type" &&
2829
            die "ERROR: Only one thread type must be selected." ||
2830
            thread_type="$thread"
2831
    fi
2832
done
2833

    
2834
check_lib math.h sin -lm
2835
disabled vaapi || check_lib va/va.h vaInitialize -lva
2836

    
2837
check_mathfunc exp2
2838
check_mathfunc exp2f
2839
check_mathfunc llrint
2840
check_mathfunc llrintf
2841
check_mathfunc log2
2842
check_mathfunc log2f
2843
check_mathfunc lrint
2844
check_mathfunc lrintf
2845
check_mathfunc round
2846
check_mathfunc roundf
2847
check_mathfunc truncf
2848

    
2849
# these are off by default, so fail if requested and not available
2850
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2851
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2852
enabled libdirac   && require_pkg_config dirac                          \
2853
    "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
2854
    "dirac_decoder_init dirac_encoder_init"
2855
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2856
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2857
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2858
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2859
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2860
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2861
enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2862
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2863
enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2864
enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2865
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2866
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2867
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2868
enabled libvpx     && {
2869
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2870
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2871
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2872
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2873
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2874
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2875
                        die "ERROR: libx264 version must be >= 0.99."; }
2876
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2877
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2878
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2879

    
2880
# libdc1394 check
2881
if enabled libdc1394; then
2882
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2883
        enable libdc1394_2; } ||
2884
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2885
        enable libdc1394_1; } ||
2886
    die "ERROR: No version of libdc1394 found "
2887
fi
2888

    
2889
if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2890
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2891
    enable sdl &&
2892
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2893
fi
2894

    
2895
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2896

    
2897
check_header linux/videodev.h
2898
check_header linux/videodev2.h
2899
check_header sys/videoio.h
2900

    
2901
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2902
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2903
# w32api 3.12 had it defined wrong
2904
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2905

    
2906
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2907
{ check_header dev/bktr/ioctl_meteor.h &&
2908
  check_header dev/bktr/ioctl_bt848.h; } ||
2909
{ check_header machine/ioctl_meteor.h &&
2910
  check_header machine/ioctl_bt848.h; } ||
2911
{ check_header dev/video/meteor/ioctl_meteor.h &&
2912
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2913
check_header dev/ic/bt8xx.h
2914

    
2915
check_header sys/soundcard.h
2916
check_header soundcard.h
2917

    
2918
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2919

    
2920
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2921

    
2922
enabled x11grab                         &&
2923
check_header X11/Xlib.h                 &&
2924
check_header X11/extensions/XShm.h      &&
2925
check_header X11/extensions/Xfixes.h    &&
2926
check_func XOpenDisplay -lX11           &&
2927
check_func XShmCreateImage -lX11 -lXext &&
2928
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2929

    
2930
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2931
check_cpp_condition \
2932
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2933
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2934
      disable vdpau; }
2935
fi
2936

    
2937
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2938

    
2939
# add some useful compiler flags if supported
2940
check_cflags -Wdeclaration-after-statement
2941
check_cflags -Wall
2942
check_cflags -Wno-parentheses
2943
check_cflags -Wno-switch
2944
check_cflags -Wdisabled-optimization
2945
check_cflags -Wpointer-arith
2946
check_cflags -Wredundant-decls
2947
check_cflags -Wno-pointer-sign
2948
check_cflags -Wcast-qual
2949
check_cflags -Wwrite-strings
2950
check_cflags -Wtype-limits
2951
check_cflags -Wundef
2952
check_cflags -Wmissing-prototypes
2953
enabled extra_warnings && check_cflags -Winline
2954

    
2955
# add some linker flags
2956
check_ldflags -Wl,--warn-common
2957
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'
2958
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2959

    
2960
echo "X{};" > $TMPV
2961
if test_ldflags -Wl,--version-script,$TMPV; then
2962
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2963
    check_cc <<EOF && enable symver_asm_label
2964
void ff_foo(void) __asm__ ("av_foo@VERSION");
2965
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2966
EOF
2967
    check_cc <<EOF && enable symver_gnu_asm
2968
__asm__(".symver ff_foo,av_foo@VERSION");
2969
void ff_foo(void) {}
2970
EOF
2971
fi
2972

    
2973
if enabled small; then
2974
    add_cflags $size_cflags
2975
    optimizations="small"
2976
elif enabled optimizations; then
2977
    add_cflags $speed_cflags
2978
else
2979
    add_cflags $noopt_cflags
2980
fi
2981
check_cflags -fno-math-errno
2982
check_cflags -fno-signed-zeros
2983

    
2984
if enabled icc; then
2985
    # Just warnings, no remarks
2986
    check_cflags -w1
2987
    # -wd: Disable following warnings
2988
    # 144, 167, 556: -Wno-pointer-sign
2989
    # 1292: attribute "foo" ignored
2990
    # 10006: ignoring unknown option -fno-signed-zeros
2991
    # 10148: ignoring unknown option -Wno-parentheses
2992
    # 10156: ignoring option '-W'; no argument required
2993
    check_cflags -wd144,167,556,1292,10006,10148,10156
2994
    # 11030: Warning unknown option --as-needed
2995
    # 10156: ignoring option '-export'; no argument required
2996
    check_ldflags -wd10156,11030
2997
    # Allow to compile with optimizations
2998
    check_ldflags -march=$cpu
2999
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3000
    enable ebp_available
3001
    if enabled x86_32; then
3002
        test ${icc_version%%.*} -ge 11 && \
3003
            check_cflags -falign-stack=maintain-16-byte || \
3004
            disable aligned_stack
3005
    fi
3006
elif enabled ccc; then
3007
    # disable some annoying warnings
3008
    add_cflags -msg_disable cvtu32to64
3009
    add_cflags -msg_disable embedcomment
3010
    add_cflags -msg_disable needconstext
3011
    add_cflags -msg_disable nomainieee
3012
    add_cflags -msg_disable ptrmismatch1
3013
    add_cflags -msg_disable unreachcode
3014
elif enabled gcc; then
3015
    check_cflags -fno-tree-vectorize
3016
    check_cflags -Werror=implicit-function-declaration
3017
    check_cflags -Werror=missing-prototypes
3018
elif enabled llvm_gcc; then
3019
    check_cflags -mllvm -stack-alignment=16
3020
elif enabled clang; then
3021
    check_cflags -mllvm -stack-alignment=16
3022
    check_cflags -Qunused-arguments
3023
elif enabled armcc; then
3024
    # 2523: use of inline assembler is deprecated
3025
    add_cflags -W${armcc_opt},--diag_suppress=2523
3026
    add_cflags -W${armcc_opt},--diag_suppress=1207
3027
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3028
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3029
elif enabled tms470; then
3030
    add_cflags -pds=824 -pds=837
3031
elif enabled pathscale; then
3032
    add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3033
fi
3034

    
3035
enabled_any $THREADS_LIST      && enable threads
3036

    
3037
check_deps $CONFIG_LIST       \
3038
           $CONFIG_EXTRA      \
3039
           $HAVE_LIST         \
3040
           $DECODER_LIST      \
3041
           $ENCODER_LIST      \
3042
           $HWACCEL_LIST      \
3043
           $PARSER_LIST       \
3044
           $BSF_LIST          \
3045
           $DEMUXER_LIST      \
3046
           $MUXER_LIST        \
3047
           $FILTER_LIST       \
3048
           $INDEV_LIST        \
3049
           $OUTDEV_LIST       \
3050
           $PROTOCOL_LIST     \
3051
           $ACODEC_TESTS      \
3052
           $VCODEC_TESTS      \
3053
           $LAVF_TESTS        \
3054
           $LAVFI_TESTS       \
3055
           $SEEK_TESTS        \
3056

    
3057
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3058

    
3059
echo "install prefix            $prefix"
3060
echo "source path               $source_path"
3061
echo "C compiler                $cc"
3062
echo "ARCH                      $arch ($cpu)"
3063
if test "$build_suffix" != ""; then
3064
    echo "build suffix              $build_suffix"
3065
fi
3066
if test "$extra_version" != ""; then
3067
    echo "version string suffix     $extra_version"
3068
fi
3069
echo "big-endian                ${bigendian-no}"
3070
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3071
if enabled x86; then
3072
    echo "yasm                      ${yasm-no}"
3073
    echo "MMX enabled               ${mmx-no}"
3074
    echo "MMX2 enabled              ${mmx2-no}"
3075
    echo "3DNow! enabled            ${amd3dnow-no}"
3076
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3077
    echo "SSE enabled               ${sse-no}"
3078
    echo "SSSE3 enabled             ${ssse3-no}"
3079
    echo "CMOV enabled              ${cmov-no}"
3080
    echo "CMOV is fast              ${fast_cmov-no}"
3081
    echo "EBX available             ${ebx_available-no}"
3082
    echo "EBP available             ${ebp_available-no}"
3083
    echo "10 operands supported     ${ten_operands-no}"
3084
fi
3085
if enabled arm; then
3086
    echo "ARMv5TE enabled           ${armv5te-no}"
3087
    echo "ARMv6 enabled             ${armv6-no}"
3088
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3089
    echo "ARM VFP enabled           ${armvfp-no}"
3090
    echo "IWMMXT enabled            ${iwmmxt-no}"
3091
    echo "NEON enabled              ${neon-no}"
3092
fi
3093
if enabled mips; then
3094
    echo "MMI enabled               ${mmi-no}"
3095
fi
3096
if enabled ppc; then
3097
    echo "AltiVec enabled           ${altivec-no}"
3098
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3099
    echo "dcbzl available           ${dcbzl-no}"
3100
fi
3101
if enabled sparc; then
3102
    echo "VIS enabled               ${vis-no}"
3103
fi
3104
echo "debug symbols             ${debug-no}"
3105
echo "strip symbols             ${stripping-no}"
3106
echo "optimizations             ${optimizations-no}"
3107
echo "static                    ${static-no}"
3108
echo "shared                    ${shared-no}"
3109
echo "postprocessing support    ${postproc-no}"
3110
echo "new filter support        ${avfilter-no}"
3111
echo "network support           ${network-no}"
3112
echo "threading support         ${thread_type-no}"
3113
echo "SDL support               ${sdl-no}"
3114
echo "Sun medialib support      ${mlib-no}"
3115
echo "AVISynth enabled          ${avisynth-no}"
3116
echo "frei0r enabled            ${frei0r-no}"
3117
echo "libdc1394 support         ${libdc1394-no}"
3118
echo "libdirac enabled          ${libdirac-no}"
3119
echo "libfaac enabled           ${libfaac-no}"
3120
echo "libgsm enabled            ${libgsm-no}"
3121
echo "libmp3lame enabled        ${libmp3lame-no}"
3122
echo "libnut enabled            ${libnut-no}"
3123
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3124
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3125
echo "libopencv support         ${libopencv-no}"
3126
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3127
echo "librtmp enabled           ${librtmp-no}"
3128
echo "libschroedinger enabled   ${libschroedinger-no}"
3129
echo "libspeex enabled          ${libspeex-no}"
3130
echo "libtheora enabled         ${libtheora-no}"
3131
echo "libvorbis enabled         ${libvorbis-no}"
3132
echo "libvpx enabled            ${libvpx-no}"
3133
echo "libx264 enabled           ${libx264-no}"
3134
echo "libxavs enabled           ${libxavs-no}"
3135
echo "libxvid enabled           ${libxvid-no}"
3136
echo "zlib enabled              ${zlib-no}"
3137
echo "bzlib enabled             ${bzlib-no}"
3138
echo
3139

    
3140
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3141
    echo "Enabled ${type}s:"
3142
    eval list=\$$(toupper $type)_LIST
3143
    print_enabled '_*' $list | sort | pr -r -3 -t
3144
    echo
3145
done
3146

    
3147
license="LGPL version 2.1 or later"
3148
if enabled nonfree; then
3149
    license="nonfree and unredistributable"
3150
elif enabled gplv3; then
3151
    license="GPL version 3 or later"
3152
elif enabled lgplv3; then
3153
    license="LGPL version 3 or later"
3154
elif enabled gpl; then
3155
    license="GPL version 2 or later"
3156
fi
3157

    
3158
echo "License: $license"
3159

    
3160
echo "Creating config.mak and config.h..."
3161

    
3162
# build tree in object directory if source path is different from current one
3163
if enabled source_path_used; then
3164
    DIRS="
3165
        doc
3166
        libavcodec
3167
        libavcodec/$arch
3168
        libavdevice
3169
        libavfilter
3170
        libavfilter/$arch
3171
        libavformat
3172
        libavutil
3173
        libavutil/$arch
3174
        libpostproc
3175
        libswscale
3176
        libswscale/$arch
3177
        tests
3178
        tools
3179
    "
3180
    FILES="
3181
        Makefile
3182
        common.mak
3183
        subdir.mak
3184
        doc/texi2pod.pl
3185
        libavcodec/Makefile
3186
        libavcodec/${arch}/Makefile
3187
        libavdevice/Makefile
3188
        libavfilter/Makefile
3189
        libavfilter/${arch}/Makefile
3190
        libavformat/Makefile
3191
        libavutil/Makefile
3192
        libpostproc/Makefile
3193
        libswscale/Makefile
3194
    "
3195
    map 'mkdir -p $v' $DIRS;
3196
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3197
fi
3198

    
3199
enabled stripping || strip="echo skipping strip"
3200

    
3201
config_files="$TMPH config.mak"
3202

    
3203
cat > config.mak <<EOF
3204
# Automatically generated by configure - do not modify!
3205
ifndef LIBAV_CONFIG_MAK
3206
LIBAV_CONFIG_MAK=1
3207
LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3208
prefix=$prefix
3209
LIBDIR=\$(DESTDIR)$libdir
3210
SHLIBDIR=\$(DESTDIR)$shlibdir
3211
INCDIR=\$(DESTDIR)$incdir
3212
BINDIR=\$(DESTDIR)$bindir
3213
DATADIR=\$(DESTDIR)$datadir
3214
MANDIR=\$(DESTDIR)$mandir
3215
SRC_PATH="$source_path"
3216
SRC_PATH_BARE=$source_path
3217
BUILD_ROOT="$PWD"
3218
CC_IDENT=$cc_ident
3219
ARCH=$arch
3220
CC=$cc
3221
AS=$as
3222
LD=$ld
3223
DEPCC=$dep_cc
3224
YASM=$yasmexe
3225
YASMDEP=$yasmexe
3226
AR=$ar
3227
RANLIB=$ranlib
3228
CP=cp -p
3229
LN_S=$ln_s
3230
STRIP=$strip
3231
CPPFLAGS=$CPPFLAGS
3232
CFLAGS=$CFLAGS
3233
ASFLAGS=$ASFLAGS
3234
CC_O=$CC_O
3235
DLLTOOL=$dlltool
3236
LDFLAGS=$LDFLAGS
3237
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3238
SHFLAGS=$SHFLAGS
3239
YASMFLAGS=$YASMFLAGS
3240
BUILDSUF=$build_suffix
3241
FULLNAME=$FULLNAME
3242
LIBPREF=$LIBPREF
3243
LIBSUF=$LIBSUF
3244
LIBNAME=$LIBNAME
3245
SLIBPREF=$SLIBPREF
3246
SLIBSUF=$SLIBSUF
3247
EXESUF=$EXESUF
3248
EXTRA_VERSION=$extra_version
3249
DEPFLAGS=$DEPFLAGS
3250
CCDEP=$CCDEP
3251
ASDEP=$ASDEP
3252
CC_DEPFLAGS=$CC_DEPFLAGS
3253
AS_DEPFLAGS=$AS_DEPFLAGS
3254
HOSTCC=$host_cc
3255
HOSTCFLAGS=$host_cflags
3256
HOSTEXESUF=$HOSTEXESUF
3257
HOSTLDFLAGS=$host_ldflags
3258
HOSTLIBS=$host_libs
3259
TARGET_EXEC=$target_exec
3260
TARGET_PATH=$target_path
3261
SDL_LIBS=$sdl_libs
3262
SDL_CFLAGS=$sdl_cflags
3263
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3264
EXTRALIBS=$extralibs
3265
INSTALL=install
3266
LIBTARGET=${LIBTARGET}
3267
SLIBNAME=${SLIBNAME}
3268
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3269
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3270
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3271
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3272
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3273
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3274
SAMPLES=${samples:-\$(FATE_SAMPLES)}
3275
EOF
3276

    
3277
get_version(){
3278
    name=$1
3279
    file=$source_path/$2
3280
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3281
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3282
    lcname=$(tolower $name)
3283
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3284
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3285
}
3286

    
3287
get_version LIBSWSCALE  libswscale/swscale.h
3288
get_version LIBPOSTPROC libpostproc/postprocess.h
3289
get_version LIBAVCODEC  libavcodec/version.h
3290
get_version LIBAVDEVICE libavdevice/avdevice.h
3291
get_version LIBAVFORMAT libavformat/version.h
3292
get_version LIBAVUTIL   libavutil/avutil.h
3293
get_version LIBAVFILTER libavfilter/avfilter.h
3294

    
3295
cat > $TMPH <<EOF
3296
/* Automatically generated by configure - do not modify! */
3297
#ifndef LIBAV_CONFIG_H
3298
#define LIBAV_CONFIG_H
3299
#define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3300
#define LIBAV_LICENSE "$(c_escape $license)"
3301
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3302
#define CC_TYPE "$cc_type"
3303
#define CC_VERSION $cc_version
3304
#define restrict $_restrict
3305
#define EXTERN_PREFIX "${extern_prefix}"
3306
#define EXTERN_ASM ${extern_prefix}
3307
#define SLIBSUF "$SLIBSUF"
3308
EOF
3309

    
3310
test -n "$malloc_prefix" &&
3311
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3312

    
3313
if enabled small || disabled optimizations; then
3314
    echo "#undef  av_always_inline"  >> $TMPH
3315
    if enabled small; then
3316
        echo "#define av_always_inline inline"  >> $TMPH
3317
    else
3318
        echo "#define av_always_inline av_unused"  >> $TMPH
3319
    fi
3320
fi
3321

    
3322
if enabled yasm; then
3323
    append config_files $TMPASM
3324
    printf '' >$TMPASM
3325
fi
3326

    
3327
print_config ARCH_   "$config_files" $ARCH_LIST
3328
print_config HAVE_   "$config_files" $HAVE_LIST
3329
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3330
                                     $CONFIG_EXTRA      \
3331
                                     $DECODER_LIST      \
3332
                                     $ENCODER_LIST      \
3333
                                     $HWACCEL_LIST      \
3334
                                     $PARSER_LIST       \
3335
                                     $BSF_LIST          \
3336
                                     $DEMUXER_LIST      \
3337
                                     $MUXER_LIST        \
3338
                                     $FILTER_LIST       \
3339
                                     $PROTOCOL_LIST     \
3340
                                     $INDEV_LIST        \
3341
                                     $OUTDEV_LIST       \
3342

    
3343
cat >>config.mak <<EOF
3344
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3345
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3346
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3347
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3348
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3349
EOF
3350

    
3351
echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3352
echo "endif # LIBAV_CONFIG_MAK" >> config.mak
3353

    
3354
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3355
cp_if_changed $TMPH config.h
3356
touch .config
3357

    
3358
enabled yasm && cp_if_changed $TMPASM config.asm
3359

    
3360
cat > $TMPH <<EOF
3361
/* Generated by ffconf */
3362
#ifndef AVUTIL_AVCONFIG_H
3363
#define AVUTIL_AVCONFIG_H
3364
EOF
3365

    
3366
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3367

    
3368
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3369

    
3370
cp_if_changed $TMPH libavutil/avconfig.h
3371

    
3372
test -n "$WARNINGS" && printf "\n$WARNINGS"
3373

    
3374
# build pkg-config files
3375

    
3376
pkgconfig_generate(){
3377
name=$1
3378
shortname=${name#lib}${build_suffix}
3379
comment=$2
3380
version=$3
3381
libs=$4
3382
requires=$5
3383
enabled ${name#lib} || return 0
3384
cat <<EOF > $name/$name.pc
3385
prefix=$prefix
3386
exec_prefix=\${prefix}
3387
libdir=$libdir
3388
includedir=$incdir
3389

    
3390
Name: $name
3391
Description: $comment
3392
Version: $version
3393
Requires: $(enabled shared || echo $requires)
3394
Requires.private: $(enabled shared && echo $requires)
3395
Conflicts:
3396
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3397
Libs.private: $(enabled shared && echo $libs)
3398
Cflags: -I\${includedir}
3399
EOF
3400
cat <<EOF > $name/$name-uninstalled.pc
3401
prefix=
3402
exec_prefix=
3403
libdir=\${pcfiledir}
3404
includedir=${source_path}
3405

    
3406
Name: $name
3407
Description: $comment
3408
Version: $version
3409
Requires: $requires
3410
Conflicts:
3411
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3412
Cflags: -I\${includedir}
3413
EOF
3414
}
3415

    
3416
pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION"
3417
pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs"
3418
pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3419
pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3420
pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3421
pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION"
3422
pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"