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#!/bin/sh
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#
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# Libav configure script
4
#
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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
64
  --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
78
                           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
84
  --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)
99
  --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
169
                           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-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
183
                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
186
  --enable-libxavs         enable AVS encoding via xavs [no]
187
  --enable-libxvid         enable Xvid encoding via xvidcore,
188
                           native MPEG-4/Xvid encoder exists [no]
189
  --enable-mlib            enable Sun medialib [no]
190
  --enable-zlib            enable zlib [autodetect]
191

    
192
Advanced options (experts only):
193
  --source-path=PATH       path to source code [$source_path]
194
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
195
  --enable-cross-compile   assume a cross-compiler is used
196
  --sysroot=PATH           root of cross-build tree
197
  --sysinclude=PATH        location of cross-build system headers
198
  --target-os=OS           compiler targets OS [$target_os]
199
  --target-exec=CMD        command to run executables on target
200
  --target-path=DIR        path to view of build directory on target
201
  --nm=NM                  use nm tool
202
  --ar=AR                  use archive tool AR [$ar_default]
203
  --as=AS                  use assembler AS [$as_default]
204
  --cc=CC                  use C compiler CC [$cc_default]
205
  --ld=LD                  use linker LD
206
  --host-cc=HOSTCC         use host C compiler HOSTCC
207
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
208
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
209
  --host-libs=HLIBS        use libs HLIBS when linking for host
210
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
211
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
213
  --extra-version=STRING   version string suffix []
214
  --build-suffix=SUFFIX    library name suffix []
215
  --arch=ARCH              select architecture [$arch]
216
  --cpu=CPU                select the minimum required CPU (affects
217
                           instruction selection, may crash on older CPUs)
218
  --disable-asm            disable all assembler optimizations
219
  --disable-altivec        disable AltiVec optimizations
220
  --disable-amd3dnow       disable 3DNow! optimizations
221
  --disable-amd3dnowext    disable 3DNow! extended optimizations
222
  --disable-mmx            disable MMX optimizations
223
  --disable-mmx2           disable MMX2 optimizations
224
  --disable-sse            disable SSE optimizations
225
  --disable-ssse3          disable SSSE3 optimizations
226
  --disable-avx            disable AVX optimizations
227
  --disable-armv5te        disable armv5te optimizations
228
  --disable-armv6          disable armv6 optimizations
229
  --disable-armv6t2        disable armv6t2 optimizations
230
  --disable-armvfp         disable ARM VFP optimizations
231
  --disable-iwmmxt         disable iwmmxt optimizations
232
  --disable-mmi            disable MMI optimizations
233
  --disable-neon           disable neon optimizations
234
  --disable-vis            disable VIS optimizations
235
  --disable-yasm           disable use of yasm assembler
236
  --enable-pic             build position-independent code
237
  --malloc-prefix=PFX      prefix malloc and related names with PFX
238
  --enable-sram            allow use of on-chip SRAM
239
  --disable-symver         disable symbol versioning
240

    
241
Developer options (useful when working on Libav itself):
242
  --disable-debug          disable debugging symbols
243
  --enable-debug=LEVEL     set the debug level [$debuglevel]
244
  --disable-optimizations  disable compiler optimizations
245
  --enable-extra-warnings  enable more compiler warnings
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 $libs $extralibs
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
    libvo_aacenc
942
    libvorbis
943
    libvpx
944
    libx264
945
    libxavs
946
    libxvid
947
    lpc
948
    lsp
949
    mdct
950
    memalign_hack
951
    mlib
952
    mpegaudio_hp
953
    network
954
    nonfree
955
    pic
956
    postproc
957
    rdft
958
    rtpdec
959
    runtime_cpudetect
960
    shared
961
    sinewin
962
    small
963
    sram
964
    static
965
    swscale
966
    swscale_alpha
967
    vaapi
968
    vdpau
969
    version3
970
    x11grab
971
    zlib
972
"
973

    
974
THREADS_LIST='
975
    pthreads
976
    w32threads
977
'
978

    
979
ARCH_LIST='
980
    alpha
981
    arm
982
    avr32
983
    avr32_ap
984
    avr32_uc
985
    bfin
986
    ia64
987
    m68k
988
    mips
989
    mips64
990
    parisc
991
    ppc
992
    ppc64
993
    s390
994
    sh4
995
    sparc
996
    sparc64
997
    tomi
998
    x86
999
    x86_32
1000
    x86_64
1001
'
1002

    
1003
ARCH_EXT_LIST='
1004
    altivec
1005
    amd3dnow
1006
    amd3dnowext
1007
    armv5te
1008
    armv6
1009
    armv6t2
1010
    armvfp
1011
    avx
1012
    iwmmxt
1013
    mmi
1014
    mmx
1015
    mmx2
1016
    neon
1017
    ppc4xx
1018
    sse
1019
    ssse3
1020
    vis
1021
'
1022

    
1023
HAVE_LIST_PUB='
1024
    bigendian
1025
    fast_unaligned
1026
'
1027

    
1028
HAVE_LIST="
1029
    $ARCH_EXT_LIST
1030
    $HAVE_LIST_PUB
1031
    $THREADS_LIST
1032
    aligned_stack
1033
    alsa_asoundlib_h
1034
    altivec_h
1035
    arpa_inet_h
1036
    attribute_may_alias
1037
    attribute_packed
1038
    bswap
1039
    closesocket
1040
    cmov
1041
    dcbzl
1042
    dev_bktr_ioctl_bt848_h
1043
    dev_bktr_ioctl_meteor_h
1044
    dev_ic_bt8xx_h
1045
    dev_video_meteor_ioctl_meteor_h
1046
    dev_video_bktr_ioctl_bt848_h
1047
    dlfcn_h
1048
    dlopen
1049
    dos_paths
1050
    ebp_available
1051
    ebx_available
1052
    exp2
1053
    exp2f
1054
    fast_64bit
1055
    fast_clz
1056
    fast_cmov
1057
    fcntl
1058
    fork
1059
    getaddrinfo
1060
    gethrtime
1061
    GetProcessMemoryInfo
1062
    GetProcessTimes
1063
    getrusage
1064
    gnu_as
1065
    struct_rusage_ru_maxrss
1066
    ibm_asm
1067
    inet_aton
1068
    inline_asm
1069
    isatty
1070
    kbhit
1071
    ldbrx
1072
    libdc1394_1
1073
    libdc1394_2
1074
    llrint
1075
    llrintf
1076
    local_aligned_16
1077
    local_aligned_8
1078
    log2
1079
    log2f
1080
    loongson
1081
    lrint
1082
    lrintf
1083
    lzo1x_999_compress
1084
    machine_ioctl_bt848_h
1085
    machine_ioctl_meteor_h
1086
    malloc_h
1087
    MapViewOfFile
1088
    memalign
1089
    mkstemp
1090
    mmap
1091
    pld
1092
    posix_memalign
1093
    round
1094
    roundf
1095
    sdl
1096
    sdl_video_size
1097
    setmode
1098
    sndio_h
1099
    socklen_t
1100
    soundcard_h
1101
    poll_h
1102
    setrlimit
1103
    strerror_r
1104
    strtok_r
1105
    struct_addrinfo
1106
    struct_ipv6_mreq
1107
    struct_sockaddr_in6
1108
    struct_sockaddr_sa_len
1109
    struct_sockaddr_storage
1110
    symver
1111
    symver_gnu_asm
1112
    symver_asm_label
1113
    sys_mman_h
1114
    sys_resource_h
1115
    sys_select_h
1116
    sys_soundcard_h
1117
    sys_videoio_h
1118
    ten_operands
1119
    threads
1120
    truncf
1121
    vfp_args
1122
    VirtualAlloc
1123
    winsock2_h
1124
    xform_asm
1125
    xmm_clobbers
1126
    yasm
1127
"
1128

    
1129
# options emitted with CONFIG_ prefix but not available on command line
1130
CONFIG_EXTRA="
1131
    avutil
1132
    gplv3
1133
    lgplv3
1134
"
1135

    
1136
CMDLINE_SELECT="
1137
    $ARCH_EXT_LIST
1138
    $CONFIG_LIST
1139
    $THREADS_LIST
1140
    asm
1141
    cross_compile
1142
    debug
1143
    extra_warnings
1144
    logging
1145
    optimizations
1146
    symver
1147
    yasm
1148
"
1149

    
1150
PATHS_LIST='
1151
    bindir
1152
    datadir
1153
    incdir
1154
    libdir
1155
    mandir
1156
    prefix
1157
    shlibdir
1158
'
1159

    
1160
CMDLINE_SET="
1161
    $PATHS_LIST
1162
    ar
1163
    arch
1164
    as
1165
    build_suffix
1166
    cc
1167
    cpu
1168
    cross_prefix
1169
    dep_cc
1170
    extra_version
1171
    host_cc
1172
    host_cflags
1173
    host_ldflags
1174
    host_libs
1175
    host_os
1176
    ld
1177
    logfile
1178
    malloc_prefix
1179
    nm
1180
    pkg_config
1181
    samples
1182
    source_path
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 ac3dsp 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
libvo_aacenc_encoder_deps="libvo_aacenc"
1390
libvorbis_encoder_deps="libvorbis"
1391
libvpx_decoder_deps="libvpx"
1392
libvpx_encoder_deps="libvpx"
1393
libx264_encoder_deps="libx264"
1394
libxavs_encoder_deps="libxavs"
1395
libxvid_encoder_deps="libxvid"
1396

    
1397
# demuxers / muxers
1398
ac3_demuxer_select="ac3_parser"
1399
asf_stream_muxer_select="asf_muxer"
1400
avisynth_demuxer_deps="avisynth"
1401
dirac_demuxer_select="dirac_parser"
1402
eac3_demuxer_select="ac3_parser"
1403
flac_demuxer_select="flac_parser"
1404
ipod_muxer_select="mov_muxer"
1405
libnut_demuxer_deps="libnut"
1406
libnut_muxer_deps="libnut"
1407
matroska_audio_muxer_select="matroska_muxer"
1408
matroska_demuxer_suggest="zlib bzlib"
1409
mov_demuxer_suggest="zlib"
1410
mp3_demuxer_select="mpegaudio_parser"
1411
mp4_muxer_select="mov_muxer"
1412
mpegtsraw_demuxer_select="mpegts_demuxer"
1413
mxf_d10_muxer_select="mxf_muxer"
1414
ogg_demuxer_select="golomb"
1415
psp_muxer_select="mov_muxer"
1416
rtp_demuxer_select="sdp_demuxer"
1417
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1418
rtsp_demuxer_select="http_protocol rtpdec"
1419
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1420
sap_demuxer_select="sdp_demuxer"
1421
sap_muxer_select="rtp_muxer rtp_protocol"
1422
sdp_demuxer_select="rtpdec"
1423
spdif_muxer_select="aac_parser"
1424
tg2_muxer_select="mov_muxer"
1425
tgp_muxer_select="mov_muxer"
1426
w64_demuxer_deps="wav_demuxer"
1427

    
1428
# indevs / outdevs
1429
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1430
alsa_outdev_deps="alsa_asoundlib_h"
1431
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1432
dv1394_indev_deps="dv1394 dv_demuxer"
1433
fbdev_indev_deps="linux_fb_h"
1434
jack_indev_deps="jack_jack_h"
1435
libdc1394_indev_deps="libdc1394"
1436
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1437
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1438
sndio_indev_deps="sndio_h"
1439
sndio_outdev_deps="sndio_h"
1440
v4l_indev_deps="linux_videodev_h"
1441
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1442
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1443
vfwcap_indev_extralibs="-lavicap32"
1444
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1445
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1446

    
1447
# protocols
1448
gopher_protocol_deps="network"
1449
http_protocol_deps="network"
1450
http_protocol_select="tcp_protocol"
1451
mmsh_protocol_select="http_protocol"
1452
mmst_protocol_deps="network"
1453
rtmp_protocol_select="tcp_protocol"
1454
rtp_protocol_select="udp_protocol"
1455
tcp_protocol_deps="network"
1456
udp_protocol_deps="network"
1457

    
1458
# filters
1459
blackframe_filter_deps="gpl"
1460
cropdetect_filter_deps="gpl"
1461
frei0r_filter_deps="frei0r dlopen strtok_r"
1462
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1463
hqdn3d_filter_deps="gpl"
1464
scale_filter_deps="swscale"
1465
ocv_filter_deps="libopencv"
1466
yadif_filter_deps="gpl"
1467

    
1468
# libraries
1469
avdevice_deps="avcodec avformat"
1470
avformat_deps="avcodec"
1471

    
1472
# programs
1473
ffmpeg_deps="avcodec avformat swscale"
1474
ffmpeg_select="buffer_filter"
1475
ffplay_deps="avcodec avformat swscale sdl"
1476
ffplay_select="rdft"
1477
ffprobe_deps="avcodec avformat"
1478
ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1479
ffserver_extralibs='$ldl'
1480

    
1481
doc_deps="texi2html"
1482

    
1483
# tests
1484

    
1485
test_deps(){
1486
    suf1=$1
1487
    suf2=$2
1488
    shift 2
1489
    for v; do
1490
        dep=${v%=*}
1491
        tests=${v#*=}
1492
        for name in ${tests}; do
1493
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1494
        done
1495
    done
1496
}
1497

    
1498
set_ne_test_deps(){
1499
    eval ${1}_be_test_deps="bigendian"
1500
    eval ${1}_le_test_deps="!bigendian"
1501
}
1502

    
1503
test_deps _encoder _decoder                                             \
1504
    adpcm_g726=g726                                                     \
1505
    adpcm_ima_qt                                                        \
1506
    adpcm_ima_wav                                                       \
1507
    adpcm_ms                                                            \
1508
    adpcm_swf                                                           \
1509
    adpcm_yamaha=adpcm_yam                                              \
1510
    alac                                                                \
1511
    asv1                                                                \
1512
    asv2                                                                \
1513
    bmp                                                                 \
1514
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1515
    dvvideo="dv dv50"                                                   \
1516
    ffv1                                                                \
1517
    flac                                                                \
1518
    flashsv                                                             \
1519
    flv                                                                 \
1520
    gif                                                                 \
1521
    h261                                                                \
1522
    h263="h263 h263p"                                                   \
1523
    huffyuv                                                             \
1524
    jpegls                                                              \
1525
    mjpeg="jpg mjpeg ljpeg"                                             \
1526
    mp2                                                                 \
1527
    mpeg1video="mpeg mpeg1b"                                            \
1528
    mpeg2video="mpeg2 mpeg2thread"                                      \
1529
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1530
    msmpeg4v3=msmpeg4                                                   \
1531
    msmpeg4v2                                                           \
1532
    pbm=pbmpipe                                                         \
1533
    pcx                                                                 \
1534
    pgm="pgm pgmpipe"                                                   \
1535
    png                                                                 \
1536
    ppm="ppm ppmpipe"                                                   \
1537
    rawvideo="rgb yuv"                                                  \
1538
    roq                                                                 \
1539
    rv10                                                                \
1540
    rv20                                                                \
1541
    sgi                                                                 \
1542
    snow="snow snowll"                                                  \
1543
    svq1                                                                \
1544
    targa=tga                                                           \
1545
    tiff                                                                \
1546
    wmav1                                                               \
1547
    wmav2                                                               \
1548
    wmv1                                                                \
1549
    wmv2                                                                \
1550

    
1551
test_deps _muxer _demuxer                                               \
1552
    aiff                                                                \
1553
    pcm_alaw=alaw                                                       \
1554
    asf                                                                 \
1555
    au                                                                  \
1556
    avi                                                                 \
1557
    dv=dv_fmt                                                           \
1558
    ffm                                                                 \
1559
    flv=flv_fmt                                                         \
1560
    gxf                                                                 \
1561
    matroska=mkv                                                        \
1562
    mmf                                                                 \
1563
    mov                                                                 \
1564
    pcm_mulaw=mulaw                                                     \
1565
    mxf                                                                 \
1566
    nut                                                                 \
1567
    ogg                                                                 \
1568
    rawvideo=pixfmt                                                     \
1569
    rm                                                                  \
1570
    swf                                                                 \
1571
    mpegts=ts                                                           \
1572
    voc                                                                 \
1573
    wav                                                                 \
1574
    yuv4mpegpipe=yuv4mpeg                                               \
1575

    
1576
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1577
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1578

    
1579
set_ne_test_deps pixdesc
1580
set_ne_test_deps pixfmts_copy
1581
set_ne_test_deps pixfmts_crop
1582
set_ne_test_deps pixfmts_hflip
1583
set_ne_test_deps pixfmts_null
1584
set_ne_test_deps pixfmts_pad
1585
set_ne_test_deps pixfmts_scale
1586
set_ne_test_deps pixfmts_vflip
1587

    
1588
# default parameters
1589

    
1590
logfile="config.log"
1591

    
1592
# installation paths
1593
prefix_default="/usr/local"
1594
bindir_default='${prefix}/bin'
1595
datadir_default='${prefix}/share/ffmpeg'
1596
incdir_default='${prefix}/include'
1597
libdir_default='${prefix}/lib'
1598
mandir_default='${prefix}/share/man'
1599
shlibdir_default="$libdir_default"
1600

    
1601
# toolchain
1602
ar_default="ar"
1603
cc_default="gcc"
1604
cc_version=\"unknown\"
1605
host_cc_default="gcc"
1606
ln_s="ln -sf"
1607
nm_default="nm"
1608
objformat="elf"
1609
pkg_config_default=pkg-config
1610
ranlib="ranlib"
1611
yasmexe="yasm"
1612
nogas=":"
1613

    
1614
nm_opts='-g'
1615

    
1616
# machine
1617
arch_default=$(uname -m)
1618
cpu="generic"
1619

    
1620
# OS
1621
target_os_default=$(tolower $(uname -s))
1622
host_os=$target_os_default
1623

    
1624
# configurable options
1625
enable avcodec
1626
enable avdevice
1627
enable avfilter
1628
enable avformat
1629
enable avutil
1630
enable asm
1631
enable debug
1632
enable doc
1633
enable fastdiv
1634
enable ffmpeg
1635
enable ffplay
1636
enable ffprobe
1637
enable ffserver
1638
enable mpegaudio_hp
1639
enable network
1640
enable optimizations
1641
enable protocols
1642
enable static
1643
enable swscale
1644
enable swscale_alpha
1645

    
1646
# build settings
1647
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1648
FFSERVERLDFLAGS=-Wl,-E
1649
LIBPREF="lib"
1650
LIBSUF=".a"
1651
FULLNAME='$(NAME)$(BUILDSUF)'
1652
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1653
SLIBPREF="lib"
1654
SLIBSUF=".so"
1655
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1656
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1657
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1658
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1659

    
1660
CC_O='-o $@'
1661

    
1662
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1663
host_libs='-lm'
1664

    
1665
target_path='$(CURDIR)'
1666

    
1667
# since the object filename is not given with the -MM flag, the compiler
1668
# is only able to print the basename, and we must add the path ourselves
1669
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1670
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1671

    
1672
# find source path
1673
source_path="$(dirname "$0")"
1674
enable source_path_used
1675
if test -f configure; then
1676
    source_path="$(pwd)"
1677
    disable source_path_used
1678
else
1679
    source_path="$(cd "$source_path"; pwd)"
1680
    echo "$source_path" | grep -q '[[:blank:]]' &&
1681
        die "Out of tree builds are impossible with whitespace in source path."
1682
    test -e "$source_path/config.h" &&
1683
        die "Out of tree builds are impossible with config.h in source dir."
1684
fi
1685

    
1686
for v in "$@"; do
1687
    r=${v#*=}
1688
    l=${v%"$r"}
1689
    r=$(sh_quote "$r")
1690
    LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1691
done
1692

    
1693
find_things(){
1694
    thing=$1
1695
    pattern=$2
1696
    file=$source_path/$3
1697
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1698
}
1699

    
1700
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1701
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1702
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1703
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1704
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1705
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1706
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1707
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1708
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1709
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1710
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1711

    
1712
find_tests(){
1713
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1714
}
1715

    
1716
ACODEC_TESTS=$(find_tests acodec)
1717
VCODEC_TESTS=$(find_tests vsynth1)
1718
LAVF_TESTS=$(find_tests lavf)
1719
LAVFI_TESTS=$(find_tests lavfi)
1720
SEEK_TESTS=$(find_tests seek seek_)
1721

    
1722
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1723

    
1724
for n in $COMPONENT_LIST; do
1725
    v=$(toupper ${n%s})_LIST
1726
    eval enable \$$v
1727
    eval ${n}_if_any="\$$v"
1728
done
1729

    
1730
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1731

    
1732
die_unknown(){
1733
    echo "Unknown option \"$1\"."
1734
    echo "See $0 --help for available options."
1735
    exit 1
1736
}
1737

    
1738
show_list() {
1739
    suffix=_$1
1740
    shift
1741
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1742
    exit 0
1743
}
1744

    
1745
for opt do
1746
    optval="${opt#*=}"
1747
    case "$opt" in
1748
    --extra-ldflags=*) add_ldflags $optval
1749
    ;;
1750
    --extra-libs=*) add_extralibs $optval
1751
    ;;
1752
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1753
    ;;
1754
    --enable-debug=*) debuglevel="$optval"
1755
    ;;
1756
    --disable-everything)
1757
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1758
    ;;
1759
    --enable-*=*|--disable-*=*)
1760
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1761
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1762
    eval list=\$$(toupper $thing)_LIST
1763
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1764
    $action $(filter "$name" $list)
1765
    ;;
1766
    --enable-?*|--disable-?*)
1767
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1768
    if is_in $option $COMPONENT_LIST; then
1769
        test $action = disable && action=unset
1770
        eval $action \$$(toupper ${option%s})_LIST
1771
    elif is_in $option $CMDLINE_SELECT; then
1772
        $action $option
1773
    else
1774
        die_unknown $opt
1775
    fi
1776
    ;;
1777
    --list-*)
1778
        NAME="${opt#--list-}"
1779
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1780
        NAME=${NAME%s}
1781
        eval show_list $NAME \$$(toupper $NAME)_LIST
1782
    ;;
1783
    --help|-h) show_help
1784
    ;;
1785
    *)
1786
    optname="${opt%%=*}"
1787
    optname="${optname#--}"
1788
    optname=$(echo "$optname" | sed 's/-/_/g')
1789
    if is_in $optname $CMDLINE_SET; then
1790
        eval $optname='$optval'
1791
    elif is_in $optname $CMDLINE_APPEND; then
1792
        append $optname "$optval"
1793
    else
1794
         die_unknown $opt
1795
    fi
1796
    ;;
1797
    esac
1798
done
1799

    
1800
disabled logging && logfile=/dev/null
1801

    
1802
echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1803
set >> $logfile
1804

    
1805
test -n "$cross_prefix" && enable cross_compile
1806

    
1807
if enabled cross_compile; then
1808
    test -n "$arch" && test -n "$target_os" ||
1809
        die "Must specify target arch and OS when cross-compiling"
1810
fi
1811

    
1812
set_default arch target_os
1813

    
1814
ar_default="${cross_prefix}${ar_default}"
1815
cc_default="${cross_prefix}${cc_default}"
1816
nm_default="${cross_prefix}${nm_default}"
1817
pkg_config_default="${cross_prefix}${pkg_config_default}"
1818
ranlib="${cross_prefix}${ranlib}"
1819

    
1820
sysinclude_default="${sysroot}/usr/include"
1821

    
1822
set_default cc nm pkg_config sysinclude
1823
enabled cross_compile || host_cc_default=$cc
1824
set_default host_cc
1825

    
1826
exesuf() {
1827
    case $1 in
1828
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1829
    esac
1830
}
1831

    
1832
EXESUF=$(exesuf $target_os)
1833
HOSTEXESUF=$(exesuf $host_os)
1834

    
1835
# set temporary file name
1836
: ${TMPDIR:=$TEMPDIR}
1837
: ${TMPDIR:=$TMP}
1838
: ${TMPDIR:=/tmp}
1839

    
1840
if ! check_cmd mktemp -u XXXXXX; then
1841
    # simple replacement for missing mktemp
1842
    # NOT SAFE FOR GENERAL USE
1843
    mktemp(){
1844
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1845
    }
1846
fi
1847

    
1848
tmpfile(){
1849
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1850
        (set -C; exec > $tmp) 2>/dev/null ||
1851
        die "Unable to create temporary file in $TMPDIR."
1852
    append TMPFILES $tmp
1853
    eval $1=$tmp
1854
}
1855

    
1856
trap 'rm -f -- $TMPFILES' EXIT
1857

    
1858
tmpfile TMPC  .c
1859
tmpfile TMPE  $EXESUF
1860
tmpfile TMPH  .h
1861
tmpfile TMPO  .o
1862
tmpfile TMPS  .S
1863
tmpfile TMPV  .ver
1864
tmpfile TMPSH .sh
1865
tmpfile TMPASM .asm
1866

    
1867
unset -f mktemp
1868

    
1869
chmod +x $TMPE
1870

    
1871
# make sure we can execute files in $TMPDIR
1872
cat > $TMPSH 2>> $logfile <<EOF
1873
#! /bin/sh
1874
EOF
1875
chmod +x $TMPSH >> $logfile 2>&1
1876
if ! $TMPSH >> $logfile 2>&1; then
1877
    cat <<EOF
1878
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1879
variable to another directory and make sure that it is not mounted noexec.
1880
EOF
1881
    die "Sanity test failed."
1882
fi
1883

    
1884
filter_cflags=echo
1885
filter_cppflags=echo
1886
filter_asflags=echo
1887

    
1888
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1889
    cc_type=llvm_gcc
1890
    cc_version=__VERSION__
1891
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1892
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1893
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1894
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1895
    speed_cflags='-O3'
1896
    size_cflags='-Os'
1897
elif $cc -v 2>&1 | grep -qi ^gcc; then
1898
    cc_type=gcc
1899
    cc_version=__VERSION__
1900
    gcc_version=$($cc --version | head -n1)
1901
    gcc_basever=$($cc -dumpversion)
1902
    gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1903
    gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1904
    cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1905
    if ! $cc -dumpversion | grep -q '^2\.'; then
1906
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1907
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1908
    fi
1909
    speed_cflags='-O3'
1910
    size_cflags='-Os'
1911
elif $cc --version 2>/dev/null | grep -q Intel; then
1912
    cc_type=icc
1913
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1914
    cc_ident=$($cc --version | head -n1)
1915
    icc_version=$($cc -dumpversion)
1916
    CC_DEPFLAGS='-MMD'
1917
    AS_DEPFLAGS='-MMD'
1918
    speed_cflags='-O3'
1919
    size_cflags='-Os'
1920
    noopt_cflags='-O1'
1921
elif $cc -v 2>&1 | grep -q xlc; then
1922
    cc_type=xlc
1923
    cc_version="AV_STRINGIFY(__IBMC__)"
1924
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1925
    speed_cflags='-O5'
1926
    size_cflags='-O5 -qcompact'
1927
elif $cc -V 2>/dev/null | grep -q Compaq; then
1928
    cc_type=ccc
1929
    cc_version="AV_STRINGIFY(__DECC_VER)"
1930
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1931
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1932
    debuglevel=3
1933
    add_ldflags -Wl,-z,now # calls to libots crash without this
1934
    speed_cflags='-fast'
1935
    size_cflags='-O1'
1936
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1937
    test -d "$sysroot" || die "No valid sysroot specified."
1938
    cc_type=armcc
1939
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1940
    cc_ident=$($cc --vsn | head -n1)
1941
    armcc_conf="$PWD/armcc.conf"
1942
    $cc --arm_linux_configure                 \
1943
        --arm_linux_config_file="$armcc_conf" \
1944
        --configure_sysroot="$sysroot"        \
1945
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1946
        die "Error creating armcc configuration file."
1947
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1948
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1949
    as_default="${cross_prefix}gcc"
1950
    CC_DEPFLAGS='-MMD'
1951
    AS_DEPFLAGS='-MMD'
1952
    speed_cflags='-O3'
1953
    size_cflags='-Os'
1954
    filter_asflags="filter_out -W${armcc_opt}*"
1955
elif $cc -version 2>/dev/null | grep -q TMS470; then
1956
    cc_type=tms470
1957
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1958
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1959
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1960
    CC_O='-fr=$(@D)'
1961
    as_default="${cross_prefix}gcc"
1962
    ld_default="${cross_prefix}gcc"
1963
    TMPO=$(basename $TMPC .c).o
1964
    append TMPFILES $TMPO
1965
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1966
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1967
    AS_DEPFLAGS='-MMD'
1968
    speed_cflags='-O3 -mf=5'
1969
    size_cflags='-O3 -mf=2'
1970
    filter_cflags=tms470_flags
1971
    tms470_flags(){
1972
        for flag; do
1973
            case $flag in
1974
                -march=*|-mcpu=*)
1975
                    case "${flag#*=}" in
1976
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1977
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1978
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1979
                        armv6*|arm11*)          echo -mv=6   ;;
1980
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1981
                                                echo -mv=5e  ;;
1982
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1983
                    esac
1984
                    ;;
1985
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1986
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1987
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1988
                -msoft-float)   echo --float_support=vfplib       ;;
1989
                -O[0-3]|-mf=*)  echo $flag                        ;;
1990
                -g)             echo -g -mn                       ;;
1991
                -pds=*)         echo $flag                        ;;
1992
            esac
1993
        done
1994
    }
1995
elif $cc -v 2>&1 | grep -q clang; then
1996
    cc_type=clang
1997
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1998
        cc_version=__clang_version__ || cc_version=__VERSION__
1999
    cc_ident=$($cc --version | head -n1)
2000
    CC_DEPFLAGS='-MMD'
2001
    AS_DEPFLAGS='-MMD'
2002
    speed_cflags='-O3'
2003
    size_cflags='-Os'
2004
elif $cc -V 2>&1 | grep -q Sun; then
2005
    cc_type=suncc
2006
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
2007
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2008
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2009
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2010
    speed_cflags='-O5'
2011
    size_cflags='-O5 -xspace'
2012
    filter_cflags=suncc_flags
2013
    suncc_flags(){
2014
        for flag; do
2015
            case $flag in
2016
                -march=*|-mcpu=*)
2017
                    case "${flag#*=}" in
2018
                        native)                   echo -xtarget=native       ;;
2019
                        v9|niagara)               echo -xarch=sparc          ;;
2020
                        ultrasparc)               echo -xarch=sparcvis       ;;
2021
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2022
                        i586|pentium)             echo -xchip=pentium        ;;
2023
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2024
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2025
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2026
                        pentium4*)          echo -xtarget=pentium4           ;;
2027
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2028
                        *-sse3)             echo -xarch=sse3                 ;;
2029
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
2030
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2031
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2032
                        k8|opteron|athlon64|athlon-fx)
2033
                                                  echo -xarch=sse2a          ;;
2034
                        athlon*)                  echo -xarch=pentium_proa   ;;
2035
                    esac
2036
                    ;;
2037
                -std=c99)             echo -xc99              ;;
2038
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
2039
                -fPIC)                echo -KPIC -xcode=pic32 ;;
2040
                -W*,*)                echo $flag              ;;
2041
                -f*-*|-W*)                                    ;;
2042
                *)                    echo $flag              ;;
2043
            esac
2044
        done
2045
    }
2046
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2047
    cc_type=pathscale
2048
    cc_version=__PATHSCALE__
2049
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2050
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2051
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2052
    speed_cflags='-O2'
2053
    size_cflags='-Os'
2054
elif $cc -v 2>&1 | grep -q Open64; then
2055
    cc_type=open64
2056
    cc_version=__OPEN64__
2057
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2058
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2059
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2060
    speed_cflags='-O2'
2061
    size_cflags='-Os'
2062
fi
2063

    
2064
test -n "$cc_type" && enable $cc_type ||
2065
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2066

    
2067
: ${as_default:=$cc}
2068
: ${dep_cc_default:=$cc}
2069
: ${ld_default:=$cc}
2070
set_default ar as dep_cc ld
2071

    
2072
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2073
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2074

    
2075
add_cflags $extra_cflags
2076
add_asflags $extra_cflags
2077

    
2078
if test -n "$sysroot"; then
2079
    case "$cc_type" in
2080
        gcc|llvm_gcc|clang)
2081
            add_cppflags --sysroot="$sysroot"
2082
            add_ldflags --sysroot="$sysroot"
2083
        ;;
2084
        tms470)
2085
            add_cppflags -I"$sysinclude"
2086
            add_ldflags  --sysroot="$sysroot"
2087
        ;;
2088
    esac
2089
fi
2090

    
2091
if test "$cpu" = host; then
2092
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2093

    
2094
    case "$cc_type" in
2095
        gcc|llvm_gcc)
2096
            check_native(){
2097
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2098
                sed -n "/$1=/{
2099
                            s/.*$1=\\([^ ]*\\).*/\\1/
2100
                            p
2101
                            q
2102
                        }" $TMPE
2103
            }
2104
            cpu=$(check_native -march || check_native -mcpu)
2105
        ;;
2106
    esac
2107

    
2108
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2109
fi
2110

    
2111
# Deal with common $arch aliases
2112
case "$arch" in
2113
    arm*)
2114
        arch="arm"
2115
    ;;
2116
    mips|mipsel|IP*)
2117
        arch="mips"
2118
    ;;
2119
    mips64*)
2120
        arch="mips"
2121
        subarch="mips64"
2122
    ;;
2123
    parisc|hppa)
2124
        arch="parisc"
2125
    ;;
2126
    parisc64|hppa64)
2127
        arch="parisc"
2128
        subarch="parisc64"
2129
    ;;
2130
    "Power Macintosh"|ppc|powerpc)
2131
        arch="ppc"
2132
    ;;
2133
    ppc64|powerpc64)
2134
        arch="ppc"
2135
        subarch="ppc64"
2136
    ;;
2137
    s390|s390x)
2138
        arch="s390"
2139
    ;;
2140
    sh4|sh)
2141
        arch="sh4"
2142
    ;;
2143
    sun4u|sparc64)
2144
        arch="sparc"
2145
        subarch="sparc64"
2146
    ;;
2147
    i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2148
        arch="x86"
2149
    ;;
2150
esac
2151

    
2152
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2153
enable $arch
2154

    
2155
# Add processor-specific flags
2156
if test "$cpu" = generic; then
2157
    : do nothing
2158
elif enabled ppc; then
2159

    
2160
    case $(tolower $cpu) in
2161
        601|ppc601|powerpc601)
2162
            cpuflags="-mcpu=601"
2163
            disable altivec
2164
        ;;
2165
        603*|ppc603*|powerpc603*)
2166
            cpuflags="-mcpu=603"
2167
            disable altivec
2168
        ;;
2169
        604*|ppc604*|powerpc604*)
2170
            cpuflags="-mcpu=604"
2171
            disable altivec
2172
        ;;
2173
        g3|75*|ppc75*|powerpc75*)
2174
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2175
            disable altivec
2176
        ;;
2177
        g4|745*|ppc745*|powerpc745*)
2178
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2179
        ;;
2180
        74*|ppc74*|powerpc74*)
2181
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2182
        ;;
2183
        g5|970|ppc970|powerpc970|power4*)
2184
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2185
        ;;
2186
        cell)
2187
            cpuflags="-mcpu=cell"
2188
            enable ldbrx
2189
        ;;
2190
        e500v2)
2191
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2192
            disable altivec
2193
        ;;
2194
        e500)
2195
            cpuflags="-mcpu=8540 -mhard-float"
2196
            disable altivec
2197
        ;;
2198
    esac
2199

    
2200
elif enabled x86; then
2201

    
2202
    case $cpu in
2203
        i[345]86|pentium)
2204
            cpuflags="-march=$cpu"
2205
            disable mmx
2206
        ;;
2207
        # targets that do NOT support conditional mov (cmov)
2208
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2209
            cpuflags="-march=$cpu"
2210
            disable cmov
2211
        ;;
2212
        # targets that do support conditional mov (cmov)
2213
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2214
            cpuflags="-march=$cpu"
2215
            enable cmov
2216
            enable fast_cmov
2217
        ;;
2218
        # targets that do support conditional mov but on which it's slow
2219
        pentium4|pentium4m|prescott|nocona)
2220
            cpuflags="-march=$cpu"
2221
            enable cmov
2222
            disable fast_cmov
2223
        ;;
2224
    esac
2225

    
2226
elif enabled sparc; then
2227

    
2228
    case $cpu in
2229
        niagara)
2230
            cpuflags="-mcpu=$cpu"
2231
            disable vis
2232
        ;;
2233
        sparc64)
2234
            cpuflags="-mcpu=v9"
2235
        ;;
2236
    esac
2237

    
2238
elif enabled arm; then
2239

    
2240
    case $cpu in
2241
        armv*)
2242
            cpuflags="-march=$cpu"
2243
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2244
        ;;
2245
        *)
2246
            cpuflags="-mcpu=$cpu"
2247
            case $cpu in
2248
                cortex-a*)                               subarch=armv7a  ;;
2249
                cortex-r*)                               subarch=armv7r  ;;
2250
                cortex-m*)                               subarch=armv7m  ;;
2251
                arm11*)                                  subarch=armv6   ;;
2252
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2253
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2254
            esac
2255
        ;;
2256
    esac
2257

    
2258
elif enabled alpha; then
2259

    
2260
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2261

    
2262
elif enabled bfin; then
2263

    
2264
    cpuflags="-mcpu=$cpu"
2265

    
2266
elif enabled mips; then
2267

    
2268
    cpuflags="-march=$cpu"
2269

    
2270
elif enabled avr32; then
2271

    
2272
    case $cpu in
2273
        ap7[02]0[0-2])
2274
            subarch="avr32_ap"
2275
            cpuflags="-mpart=$cpu"
2276
        ;;
2277
        ap)
2278
            subarch="avr32_ap"
2279
            cpuflags="-march=$cpu"
2280
        ;;
2281
        uc3[ab]*)
2282
            subarch="avr32_uc"
2283
            cpuflags="-mcpu=$cpu"
2284
        ;;
2285
        uc)
2286
            subarch="avr32_uc"
2287
            cpuflags="-march=$cpu"
2288
        ;;
2289
    esac
2290

    
2291
fi
2292

    
2293
add_cflags $cpuflags
2294
add_asflags $cpuflags
2295

    
2296
# compiler sanity check
2297
check_exec <<EOF
2298
int main(void){ return 0; }
2299
EOF
2300
if test "$?" != 0; then
2301
    echo "$cc is unable to create an executable file."
2302
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2303
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2304
        echo "Only do this if you know what cross compiling means."
2305
    fi
2306
    die "C compiler test failed."
2307
fi
2308

    
2309
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2310
check_cflags -std=c99
2311
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2312
#include <stdlib.h>
2313
EOF
2314
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2315
#include <stdlib.h>
2316
EOF
2317

    
2318
check_host_cflags -std=c99
2319

    
2320
case "$arch" in
2321
    alpha|ia64|mips|parisc|sparc)
2322
        spic=$shared
2323
    ;;
2324
    x86)
2325
        subarch="x86_32"
2326
        check_cc <<EOF && subarch="x86_64"
2327
        int test[(int)sizeof(char*) - 7];
2328
EOF
2329
        if test "$subarch" = "x86_64"; then
2330
            spic=$shared
2331
        fi
2332
    ;;
2333
esac
2334

    
2335
enable $subarch
2336
enabled spic && enable pic
2337

    
2338
# OS specific
2339
case $target_os in
2340
    haiku)
2341
        prefix_default="/boot/common"
2342
        network_extralibs="-lnetwork"
2343
        host_libs=
2344
        ;;
2345
    sunos)
2346
        FFSERVERLDFLAGS=""
2347
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2348
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2349
        network_extralibs="-lsocket -lnsl"
2350
        add_cppflags -D__EXTENSIONS__
2351
        nm_opts='-P -g'
2352
        ;;
2353
    netbsd)
2354
        disable symver
2355
        oss_indev_extralibs="-lossaudio"
2356
        oss_outdev_extralibs="-lossaudio"
2357
        add_cppflags -D_XOPEN_SOURCE=600
2358
        ;;
2359
    openbsd)
2360
        enable malloc_aligned
2361
        # On OpenBSD 4.5. the compiler does not use PIC unless
2362
        # explicitly using -fPIC. Libav builds fine without PIC,
2363
        # however the generated executable will not do anything
2364
        # (simply quits with exit-code 1, no crash, no output).
2365
        # Thus explicitly enable PIC here.
2366
        enable pic
2367
        disable symver
2368
        SHFLAGS='-shared'
2369
        oss_indev_extralibs="-lossaudio"
2370
        oss_outdev_extralibs="-lossaudio"
2371
        ;;
2372
    dragonfly)
2373
        enable malloc_aligned
2374
        disable symver
2375
        ;;
2376
    freebsd)
2377
        enable malloc_aligned
2378
        ;;
2379
    bsd/os)
2380
        add_extralibs -lpoll -lgnugetopt
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
        add_ldflags -Wl,-dynamic,-search_paths_first
2389
        SLIBSUF=".dylib"
2390
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2391
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2392
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2393
        objformat="macho"
2394
        enabled x86_64 && objformat="macho64"
2395
        enabled_any pic shared ||
2396
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2397
        ;;
2398
    mingw32*)
2399
        if test $target_os = "mingw32ce"; then
2400
            disable network
2401
        else
2402
            target_os=mingw32
2403
        fi
2404
        LIBTARGET=i386
2405
        if enabled x86_64; then
2406
            enable malloc_aligned
2407
            LIBTARGET="i386:x86-64"
2408
        elif enabled arm; then
2409
            LIBTARGET=arm-wince
2410
        fi
2411
        shlibdir_default="$bindir_default"
2412
        SLIBPREF=""
2413
        SLIBSUF=".dll"
2414
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2415
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2416
        SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2417
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2418
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2419
            install -d "$(LIBDIR)"; \
2420
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2421
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2422
        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'
2423
        objformat="win32"
2424
        dlltool="${cross_prefix}dlltool"
2425
        enable dos_paths
2426
        check_cflags -fno-common
2427
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2428
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2429
                die "ERROR: MinGW runtime version must be >= 3.15."
2430
        add_cppflags -U__STRICT_ANSI__
2431
        ;;
2432
    cygwin*)
2433
        target_os=cygwin
2434
        shlibdir_default="$bindir_default"
2435
        SLIBPREF="cyg"
2436
        SLIBSUF=".dll"
2437
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2438
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2439
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2440
        objformat="win32"
2441
        enable dos_paths
2442
        check_cflags -fno-common
2443
        ;;
2444
    *-dos|freedos|opendos)
2445
        network_extralibs="-lsocket"
2446
        objformat="coff"
2447
        enable dos_paths
2448
        ;;
2449
    linux)
2450
        enable dv1394
2451
        ;;
2452
    irix*)
2453
        target_os=irix
2454
        ranlib="echo ignoring ranlib"
2455
        ;;
2456
    os/2*)
2457
        ln_s="cp -f"
2458
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2459
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2460
        FFSERVERLDFLAGS=""
2461
        LIBSUF="_s.a"
2462
        SLIBPREF=""
2463
        SLIBSUF=".dll"
2464
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2465
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2466
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2467
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2468
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2469
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2470
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2471
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2472
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2473
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2474
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2475
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2476
        enable dos_paths
2477
        ;;
2478
    gnu/kfreebsd)
2479
        ;;
2480
    gnu)
2481
        ;;
2482
    qnx)
2483
        add_cppflags -D_QNX_SOURCE
2484
        network_extralibs="-lsocket"
2485
        ;;
2486
    symbian)
2487
        SLIBSUF=".dll"
2488
        enable dos_paths
2489
        add_cflags --include=$sysinclude/gcce/gcce.h
2490
        ;;
2491
    none)
2492
        ;;
2493
    *)
2494
        die "Unknown OS '$target_os'."
2495
        ;;
2496
esac
2497

    
2498
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2499

    
2500
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2501

    
2502
set_default $PATHS_LIST
2503

    
2504
# we need to build at least one lib type
2505
if ! enabled_any static shared; then
2506
    cat <<EOF
2507
At least one library type must be built.
2508
Specify --enable-static to build the static libraries or --enable-shared to
2509
build the shared libraries as well. To only build the shared libraries specify
2510
--disable-static in addition to --enable-shared.
2511
EOF
2512
    exit 1;
2513
fi
2514

    
2515
disabled static && LIBNAME=""
2516

    
2517
die_license_disabled() {
2518
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2519
}
2520

    
2521
die_license_disabled gpl libx264
2522
die_license_disabled gpl libxavs
2523
die_license_disabled gpl libxvid
2524
die_license_disabled gpl postproc
2525
die_license_disabled gpl x11grab
2526

    
2527
die_license_disabled nonfree libfaac
2528

    
2529
die_license_disabled version3 libopencore_amrnb
2530
die_license_disabled version3 libopencore_amrwb
2531
die_license_disabled version3 libvo_aacenc
2532

    
2533
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2534

    
2535
disabled optimizations || check_cflags -fomit-frame-pointer
2536

    
2537
enable_pic() {
2538
    enable pic
2539
    add_cppflags -DPIC
2540
    add_cflags   -fPIC
2541
    add_asflags  -fPIC
2542
}
2543

    
2544
enabled pic && enable_pic
2545

    
2546
check_cc <<EOF || die "Symbol mangling check failed."
2547
int ff_extern;
2548
EOF
2549
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2550
extern_prefix=${sym%%ff_extern*}
2551

    
2552
check_cc <<EOF && enable inline_asm
2553
void foo(void) { __asm__ volatile ("" ::); }
2554
EOF
2555

    
2556
_restrict=
2557
for restrict_keyword in restrict __restrict__ __restrict; do
2558
    check_cc <<EOF && _restrict=$restrict_keyword && break
2559
void foo(char * $restrict_keyword p);
2560
EOF
2561
done
2562

    
2563
check_cc <<EOF && enable attribute_packed
2564
struct { int x; } __attribute__((packed)) x;
2565
EOF
2566

    
2567
check_cc <<EOF && enable attribute_may_alias
2568
union { int x; } __attribute__((may_alias)) x;
2569
EOF
2570

    
2571
check_cc <<EOF || die "endian test failed"
2572
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2573
EOF
2574
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2575

    
2576
if enabled alpha; then
2577

    
2578
    check_cflags -mieee
2579

    
2580
elif enabled arm; then
2581

    
2582
    check_cflags -marm
2583
    nogas=die
2584

    
2585
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2586
        enable vfp_args
2587
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2588
        case "${cross_prefix:-$cc}" in
2589
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2590
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2591
__asm__ (".eabi_attribute 28, 1");
2592
int main(void) { return 0; }
2593
EOF
2594
        esac
2595
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2596
    fi
2597

    
2598
    # We have to check if pld is a nop and disable it.
2599
    check_asm pld '"pld [r0]"'
2600

    
2601
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2602
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2603
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2604
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2605
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2606
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2607

    
2608
    enabled_all armv6t2 shared !pic && enable_pic
2609

    
2610
elif enabled mips; then
2611

    
2612
    check_asm loongson '"dmult.g $1, $2, $3"'
2613
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2614

    
2615
elif enabled ppc; then
2616

    
2617
    enable local_aligned_8 local_aligned_16
2618

    
2619
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2620
    check_asm ibm_asm   '"add 0, 0, 0"'
2621
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2622
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2623

    
2624
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2625
    if enabled altivec; then
2626
        nogas=warn
2627
        check_cflags -maltivec -mabi=altivec &&
2628
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2629
        check_cflags -faltivec
2630

    
2631
        # check if our compiler supports Motorola AltiVec C API
2632
        check_cc <<EOF || disable altivec
2633
$inc_altivec_h
2634
int main(void) {
2635
    vector signed int v1, v2, v3;
2636
    v1 = vec_add(v2,v3);
2637
    return 0;
2638
}
2639
EOF
2640

    
2641
        # check if our compiler supports braces for vector declarations
2642
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2643
$inc_altivec_h
2644
int main (void) { (vector int) {1}; return 0; }
2645
EOF
2646
    fi
2647

    
2648
elif enabled sparc; then
2649

    
2650
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2651
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2652

    
2653
elif enabled x86; then
2654

    
2655
    enable local_aligned_8 local_aligned_16
2656

    
2657
    # check whether EBP is available on x86
2658
    # As 'i' is stored on the stack, this program will crash
2659
    # if the base pointer is used to access it because the
2660
    # base pointer is cleared in the inline assembly code.
2661
    check_exec_crash <<EOF && enable ebp_available
2662
    volatile int i=0;
2663
    __asm__ volatile (
2664
        "xorl %%ebp, %%ebp"
2665
    ::: "%ebp");
2666
    return i;
2667
EOF
2668

    
2669
    # check whether EBX is available on x86
2670
    check_asm ebx_available '""::"b"(0)' &&
2671
        check_asm ebx_available '"":::"%ebx"'
2672

    
2673
    # check whether xmm clobbers are supported
2674
    check_asm xmm_clobbers '"":::"%xmm0"'
2675

    
2676
    # check whether more than 10 operands are supported
2677
    check_cc <<EOF && enable ten_operands
2678
int main(void) {
2679
    int x=0;
2680
    __asm__ volatile(
2681
        ""
2682
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2683
    );
2684
    return 0;
2685
}
2686
EOF
2687

    
2688
    # check whether binutils is new enough to compile SSSE3/MMX2
2689
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2690
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2691

    
2692
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2693

    
2694
    if ! disabled_any asm mmx yasm; then
2695
        if check_cmd $yasmexe --version; then
2696
            enabled x86_64 && yasm_extra="-m amd64"
2697
            yasm_debug="-g dwarf2"
2698
        elif check_cmd nasm -v; then
2699
            yasmexe=nasm
2700
            yasm_debug="-g -F dwarf"
2701
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2702
        fi
2703

    
2704
        YASMFLAGS="-f $objformat $yasm_extra"
2705
        enabled pic               && append YASMFLAGS "-DPIC"
2706
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2707
        case "$objformat" in
2708
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2709
        esac
2710

    
2711
        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2712
            die "yasm not found, use --disable-yasm for a crippled build"
2713
        check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2714
    fi
2715

    
2716
    case "$cpu" in
2717
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2718
            disable fast_clz
2719
        ;;
2720
    esac
2721

    
2722
fi
2723

    
2724
if enabled asm; then
2725
    as=${gas:=$as}
2726
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2727
        $nogas "GNU assembler not found, install gas-preprocessor"
2728
fi
2729

    
2730
check_ldflags -Wl,--as-needed
2731

    
2732
if check_func dlopen; then
2733
    ldl=
2734
elif check_func dlopen -ldl; then
2735
    ldl=-ldl
2736
fi
2737

    
2738
if enabled network; then
2739
    check_type "sys/types.h sys/socket.h" socklen_t
2740
    check_type netdb.h "struct addrinfo"
2741
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2742
    check_type netinet/in.h "struct sockaddr_in6"
2743
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2744
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2745
    # Prefer arpa/inet.h over winsock2
2746
    if check_header arpa/inet.h ; then
2747
        check_func closesocket
2748
    elif check_header winsock2.h ; then
2749
        check_func_headers winsock2.h closesocket -lws2 && \
2750
            network_extralibs="-lws2" || \
2751
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2752
            network_extralibs="-lws2_32"; }
2753
        check_type ws2tcpip.h socklen_t
2754
        check_type ws2tcpip.h "struct addrinfo"
2755
        check_type ws2tcpip.h "struct ipv6_mreq"
2756
        check_type ws2tcpip.h "struct sockaddr_in6"
2757
        check_type ws2tcpip.h "struct sockaddr_storage"
2758
        check_struct winsock2.h "struct sockaddr" sa_len
2759
    else
2760
        disable network
2761
    fi
2762
fi
2763

    
2764
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2765
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2766

    
2767
check_func  fcntl
2768
check_func  fork
2769
check_func  getaddrinfo $network_extralibs
2770
check_func  gethrtime
2771
check_func  getrusage
2772
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2773
check_func  inet_aton $network_extralibs
2774
check_func  isatty
2775
check_func  ${malloc_prefix}memalign            && enable memalign
2776
check_func  mkstemp
2777
check_func  mmap
2778
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2779
check_func  setrlimit
2780
check_func  strerror_r
2781
check_func  strtok_r
2782
check_func_headers conio.h kbhit
2783
check_func_headers io.h setmode
2784
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2785
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2786
check_func_headers windows.h GetProcessTimes
2787
check_func_headers windows.h MapViewOfFile
2788
check_func_headers windows.h VirtualAlloc
2789

    
2790
check_header dlfcn.h
2791
check_header dxva2api.h
2792
check_header malloc.h
2793
check_header poll.h
2794
check_header sys/mman.h
2795
check_header sys/resource.h
2796
check_header sys/select.h
2797
check_header vdpau/vdpau.h
2798
check_header vdpau/vdpau_x11.h
2799
check_header X11/extensions/XvMClib.h
2800

    
2801
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2802

    
2803
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2804
     enabled_any $need_memalign ; then
2805
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2806
fi
2807

    
2808
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2809
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2810

    
2811
# check for some common methods of building with pthread support
2812
# do this before the optional library checks as some of them require pthreads
2813
if ! disabled pthreads && ! enabled w32threads; then
2814
    enable pthreads
2815
    if check_func pthread_create; then
2816
        :
2817
    elif check_func pthread_create -pthread; then
2818
        add_cflags -pthread
2819
        add_extralibs -pthread
2820
    elif check_func pthread_create -pthreads; then
2821
        add_cflags -pthreads
2822
        add_extralibs -pthreads
2823
    elif check_func pthread_create -lpthreadGC2; then
2824
        add_extralibs -lpthreadGC2
2825
    elif ! check_lib pthread.h pthread_create -lpthread; then
2826
        disable pthreads
2827
    fi
2828
fi
2829

    
2830
for thread in $THREADS_LIST; do
2831
    if enabled $thread; then
2832
        test -n "$thread_type" &&
2833
            die "ERROR: Only one thread type must be selected." ||
2834
            thread_type="$thread"
2835
    fi
2836
done
2837

    
2838
check_lib math.h sin -lm
2839
disabled vaapi || check_lib va/va.h vaInitialize -lva
2840

    
2841
check_mathfunc exp2
2842
check_mathfunc exp2f
2843
check_mathfunc llrint
2844
check_mathfunc llrintf
2845
check_mathfunc log2
2846
check_mathfunc log2f
2847
check_mathfunc lrint
2848
check_mathfunc lrintf
2849
check_mathfunc round
2850
check_mathfunc roundf
2851
check_mathfunc truncf
2852

    
2853
# these are off by default, so fail if requested and not available
2854
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2855
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2856
enabled libdirac   && require_pkg_config dirac                          \
2857
    "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
2858
    "dirac_decoder_init dirac_encoder_init"
2859
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2860
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2861
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2862
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2863
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2864
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2865
enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2866
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2867
enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2868
enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2869
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2870
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2871
enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2872
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2873
enabled libvpx     && {
2874
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2875
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2876
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2877
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2878
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2879
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2880
                        die "ERROR: libx264 version must be >= 0.99."; }
2881
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2882
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2883
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2884

    
2885
# libdc1394 check
2886
if enabled libdc1394; then
2887
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2888
        enable libdc1394_2; } ||
2889
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2890
        enable libdc1394_1; } ||
2891
    die "ERROR: No version of libdc1394 found "
2892
fi
2893

    
2894
if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2895
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2896
    enable sdl &&
2897
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2898
fi
2899

    
2900
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2901

    
2902
check_header linux/fb.h
2903
check_header linux/videodev.h
2904
check_header linux/videodev2.h
2905
check_header sys/videoio.h
2906

    
2907
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2908
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2909
# w32api 3.12 had it defined wrong
2910
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2911

    
2912
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2913
{ check_header dev/bktr/ioctl_meteor.h &&
2914
  check_header dev/bktr/ioctl_bt848.h; } ||
2915
{ check_header machine/ioctl_meteor.h &&
2916
  check_header machine/ioctl_bt848.h; } ||
2917
{ check_header dev/video/meteor/ioctl_meteor.h &&
2918
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2919
check_header dev/ic/bt8xx.h
2920

    
2921
check_header sndio.h
2922
check_header sys/soundcard.h
2923
check_header soundcard.h
2924

    
2925
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2926

    
2927
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2928

    
2929
enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2930

    
2931
enabled x11grab                         &&
2932
check_header X11/Xlib.h                 &&
2933
check_header X11/extensions/XShm.h      &&
2934
check_header X11/extensions/Xfixes.h    &&
2935
check_func XOpenDisplay -lX11           &&
2936
check_func XShmCreateImage -lX11 -lXext &&
2937
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2938

    
2939
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2940
check_cpp_condition \
2941
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2942
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2943
      disable vdpau; }
2944
fi
2945

    
2946
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2947

    
2948
# add some useful compiler flags if supported
2949
check_cflags -Wdeclaration-after-statement
2950
check_cflags -Wall
2951
check_cflags -Wno-parentheses
2952
check_cflags -Wno-switch
2953
check_cflags -Wdisabled-optimization
2954
check_cflags -Wpointer-arith
2955
check_cflags -Wredundant-decls
2956
check_cflags -Wno-pointer-sign
2957
check_cflags -Wcast-qual
2958
check_cflags -Wwrite-strings
2959
check_cflags -Wtype-limits
2960
check_cflags -Wundef
2961
check_cflags -Wmissing-prototypes
2962
enabled extra_warnings && check_cflags -Winline
2963

    
2964
# add some linker flags
2965
check_ldflags -Wl,--warn-common
2966
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'
2967
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2968

    
2969
echo "X{};" > $TMPV
2970
if test_ldflags -Wl,--version-script,$TMPV; then
2971
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2972
    check_cc <<EOF && enable symver_asm_label
2973
void ff_foo(void) __asm__ ("av_foo@VERSION");
2974
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2975
EOF
2976
    check_cc <<EOF && enable symver_gnu_asm
2977
__asm__(".symver ff_foo,av_foo@VERSION");
2978
void ff_foo(void) {}
2979
EOF
2980
fi
2981

    
2982
if enabled small; then
2983
    add_cflags $size_cflags
2984
    optimizations="small"
2985
elif enabled optimizations; then
2986
    add_cflags $speed_cflags
2987
else
2988
    add_cflags $noopt_cflags
2989
fi
2990
check_cflags -fno-math-errno
2991
check_cflags -fno-signed-zeros
2992

    
2993
if enabled icc; then
2994
    # Just warnings, no remarks
2995
    check_cflags -w1
2996
    # -wd: Disable following warnings
2997
    # 144, 167, 556: -Wno-pointer-sign
2998
    # 1292: attribute "foo" ignored
2999
    # 10006: ignoring unknown option -fno-signed-zeros
3000
    # 10148: ignoring unknown option -Wno-parentheses
3001
    # 10156: ignoring option '-W'; no argument required
3002
    check_cflags -wd144,167,556,1292,10006,10148,10156
3003
    # 11030: Warning unknown option --as-needed
3004
    # 10156: ignoring option '-export'; no argument required
3005
    check_ldflags -wd10156,11030
3006
    # Allow to compile with optimizations
3007
    check_ldflags -march=$cpu
3008
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3009
    enable ebp_available
3010
    if enabled x86_32; then
3011
        test ${icc_version%%.*} -ge 11 && \
3012
            check_cflags -falign-stack=maintain-16-byte || \
3013
            disable aligned_stack
3014
    fi
3015
elif enabled ccc; then
3016
    # disable some annoying warnings
3017
    add_cflags -msg_disable cvtu32to64
3018
    add_cflags -msg_disable embedcomment
3019
    add_cflags -msg_disable needconstext
3020
    add_cflags -msg_disable nomainieee
3021
    add_cflags -msg_disable ptrmismatch1
3022
    add_cflags -msg_disable unreachcode
3023
elif enabled gcc; then
3024
    check_cflags -fno-tree-vectorize
3025
    check_cflags -Werror=implicit-function-declaration
3026
    check_cflags -Werror=missing-prototypes
3027
elif enabled llvm_gcc; then
3028
    check_cflags -mllvm -stack-alignment=16
3029
elif enabled clang; then
3030
    check_cflags -mllvm -stack-alignment=16
3031
    check_cflags -Qunused-arguments
3032
elif enabled armcc; then
3033
    # 2523: use of inline assembler is deprecated
3034
    add_cflags -W${armcc_opt},--diag_suppress=2523
3035
    add_cflags -W${armcc_opt},--diag_suppress=1207
3036
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3037
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3038
elif enabled tms470; then
3039
    add_cflags -pds=824 -pds=837
3040
elif enabled pathscale; then
3041
    add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3042
fi
3043

    
3044
enabled_any $THREADS_LIST      && enable threads
3045

    
3046
check_deps $CONFIG_LIST       \
3047
           $CONFIG_EXTRA      \
3048
           $HAVE_LIST         \
3049
           $DECODER_LIST      \
3050
           $ENCODER_LIST      \
3051
           $HWACCEL_LIST      \
3052
           $PARSER_LIST       \
3053
           $BSF_LIST          \
3054
           $DEMUXER_LIST      \
3055
           $MUXER_LIST        \
3056
           $FILTER_LIST       \
3057
           $INDEV_LIST        \
3058
           $OUTDEV_LIST       \
3059
           $PROTOCOL_LIST     \
3060
           $ACODEC_TESTS      \
3061
           $VCODEC_TESTS      \
3062
           $LAVF_TESTS        \
3063
           $LAVFI_TESTS       \
3064
           $SEEK_TESTS        \
3065

    
3066
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3067

    
3068
echo "install prefix            $prefix"
3069
echo "source path               $source_path"
3070
echo "C compiler                $cc"
3071
echo "ARCH                      $arch ($cpu)"
3072
if test "$build_suffix" != ""; then
3073
    echo "build suffix              $build_suffix"
3074
fi
3075
if test "$extra_version" != ""; then
3076
    echo "version string suffix     $extra_version"
3077
fi
3078
echo "big-endian                ${bigendian-no}"
3079
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3080
if enabled x86; then
3081
    echo "yasm                      ${yasm-no}"
3082
    echo "MMX enabled               ${mmx-no}"
3083
    echo "MMX2 enabled              ${mmx2-no}"
3084
    echo "3DNow! enabled            ${amd3dnow-no}"
3085
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3086
    echo "SSE enabled               ${sse-no}"
3087
    echo "SSSE3 enabled             ${ssse3-no}"
3088
    echo "CMOV enabled              ${cmov-no}"
3089
    echo "CMOV is fast              ${fast_cmov-no}"
3090
    echo "EBX available             ${ebx_available-no}"
3091
    echo "EBP available             ${ebp_available-no}"
3092
    echo "10 operands supported     ${ten_operands-no}"
3093
fi
3094
if enabled arm; then
3095
    echo "ARMv5TE enabled           ${armv5te-no}"
3096
    echo "ARMv6 enabled             ${armv6-no}"
3097
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3098
    echo "ARM VFP enabled           ${armvfp-no}"
3099
    echo "IWMMXT enabled            ${iwmmxt-no}"
3100
    echo "NEON enabled              ${neon-no}"
3101
fi
3102
if enabled mips; then
3103
    echo "MMI enabled               ${mmi-no}"
3104
fi
3105
if enabled ppc; then
3106
    echo "AltiVec enabled           ${altivec-no}"
3107
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3108
    echo "dcbzl available           ${dcbzl-no}"
3109
fi
3110
if enabled sparc; then
3111
    echo "VIS enabled               ${vis-no}"
3112
fi
3113
echo "debug symbols             ${debug-no}"
3114
echo "optimizations             ${optimizations-no}"
3115
echo "static                    ${static-no}"
3116
echo "shared                    ${shared-no}"
3117
echo "postprocessing support    ${postproc-no}"
3118
echo "new filter support        ${avfilter-no}"
3119
echo "network support           ${network-no}"
3120
echo "threading support         ${thread_type-no}"
3121
echo "SDL support               ${sdl-no}"
3122
echo "Sun medialib support      ${mlib-no}"
3123
echo "AVISynth enabled          ${avisynth-no}"
3124
echo "frei0r enabled            ${frei0r-no}"
3125
echo "libdc1394 support         ${libdc1394-no}"
3126
echo "libdirac enabled          ${libdirac-no}"
3127
echo "libfaac enabled           ${libfaac-no}"
3128
echo "libgsm enabled            ${libgsm-no}"
3129
echo "libmp3lame enabled        ${libmp3lame-no}"
3130
echo "libnut enabled            ${libnut-no}"
3131
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3132
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3133
echo "libopencv support         ${libopencv-no}"
3134
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3135
echo "librtmp enabled           ${librtmp-no}"
3136
echo "libschroedinger enabled   ${libschroedinger-no}"
3137
echo "libspeex enabled          ${libspeex-no}"
3138
echo "libtheora enabled         ${libtheora-no}"
3139
echo "libva enabled             ${vaapi-no}"
3140
echo "libvo-aacenc support      ${libvo_aacenc-no}"
3141
echo "libvorbis enabled         ${libvorbis-no}"
3142
echo "libvpx enabled            ${libvpx-no}"
3143
echo "libx264 enabled           ${libx264-no}"
3144
echo "libxavs enabled           ${libxavs-no}"
3145
echo "libxvid enabled           ${libxvid-no}"
3146
echo "zlib enabled              ${zlib-no}"
3147
echo "bzlib enabled             ${bzlib-no}"
3148
echo
3149

    
3150
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3151
    echo "Enabled ${type}s:"
3152
    eval list=\$$(toupper $type)_LIST
3153
    print_enabled '_*' $list | sort | pr -r -3 -t
3154
    echo
3155
done
3156

    
3157
license="LGPL version 2.1 or later"
3158
if enabled nonfree; then
3159
    license="nonfree and unredistributable"
3160
elif enabled gplv3; then
3161
    license="GPL version 3 or later"
3162
elif enabled lgplv3; then
3163
    license="LGPL version 3 or later"
3164
elif enabled gpl; then
3165
    license="GPL version 2 or later"
3166
fi
3167

    
3168
echo "License: $license"
3169

    
3170
echo "Creating config.mak and config.h..."
3171

    
3172
# build tree in object directory if source path is different from current one
3173
if enabled source_path_used; then
3174
    DIRS="
3175
        doc
3176
        libavcodec
3177
        libavcodec/$arch
3178
        libavdevice
3179
        libavfilter
3180
        libavfilter/$arch
3181
        libavformat
3182
        libavutil
3183
        libavutil/$arch
3184
        libpostproc
3185
        libswscale
3186
        libswscale/$arch
3187
        tests
3188
        tools
3189
    "
3190
    FILES="
3191
        Makefile
3192
        common.mak
3193
        subdir.mak
3194
        doc/texi2pod.pl
3195
        libavcodec/Makefile
3196
        libavcodec/${arch}/Makefile
3197
        libavdevice/Makefile
3198
        libavfilter/Makefile
3199
        libavfilter/${arch}/Makefile
3200
        libavformat/Makefile
3201
        libavutil/Makefile
3202
        libpostproc/Makefile
3203
        libswscale/Makefile
3204
    "
3205
    map 'mkdir -p $v' $DIRS;
3206
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3207
fi
3208

    
3209
config_files="$TMPH config.mak"
3210

    
3211
cat > config.mak <<EOF
3212
# Automatically generated by configure - do not modify!
3213
ifndef LIBAV_CONFIG_MAK
3214
LIBAV_CONFIG_MAK=1
3215
LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3216
prefix=$prefix
3217
LIBDIR=\$(DESTDIR)$libdir
3218
SHLIBDIR=\$(DESTDIR)$shlibdir
3219
INCDIR=\$(DESTDIR)$incdir
3220
BINDIR=\$(DESTDIR)$bindir
3221
DATADIR=\$(DESTDIR)$datadir
3222
MANDIR=\$(DESTDIR)$mandir
3223
SRC_PATH="$source_path"
3224
SRC_PATH_BARE=$source_path
3225
BUILD_ROOT="$PWD"
3226
CC_IDENT=$cc_ident
3227
ARCH=$arch
3228
CC=$cc
3229
AS=$as
3230
LD=$ld
3231
DEPCC=$dep_cc
3232
YASM=$yasmexe
3233
YASMDEP=$yasmexe
3234
AR=$ar
3235
RANLIB=$ranlib
3236
LN_S=$ln_s
3237
CPPFLAGS=$CPPFLAGS
3238
CFLAGS=$CFLAGS
3239
ASFLAGS=$ASFLAGS
3240
CC_O=$CC_O
3241
DLLTOOL=$dlltool
3242
LDFLAGS=$LDFLAGS
3243
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3244
SHFLAGS=$SHFLAGS
3245
YASMFLAGS=$YASMFLAGS
3246
BUILDSUF=$build_suffix
3247
FULLNAME=$FULLNAME
3248
LIBPREF=$LIBPREF
3249
LIBSUF=$LIBSUF
3250
LIBNAME=$LIBNAME
3251
SLIBPREF=$SLIBPREF
3252
SLIBSUF=$SLIBSUF
3253
EXESUF=$EXESUF
3254
EXTRA_VERSION=$extra_version
3255
DEPFLAGS=$DEPFLAGS
3256
CCDEP=$CCDEP
3257
ASDEP=$ASDEP
3258
CC_DEPFLAGS=$CC_DEPFLAGS
3259
AS_DEPFLAGS=$AS_DEPFLAGS
3260
HOSTCC=$host_cc
3261
HOSTCFLAGS=$host_cflags
3262
HOSTEXESUF=$HOSTEXESUF
3263
HOSTLDFLAGS=$host_ldflags
3264
HOSTLIBS=$host_libs
3265
TARGET_EXEC=$target_exec
3266
TARGET_PATH=$target_path
3267
SDL_LIBS=$sdl_libs
3268
SDL_CFLAGS=$sdl_cflags
3269
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3270
EXTRALIBS=$extralibs
3271
INSTALL=install
3272
LIBTARGET=${LIBTARGET}
3273
SLIBNAME=${SLIBNAME}
3274
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3275
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3276
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3277
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3278
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3279
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3280
SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3281
EOF
3282

    
3283
get_version(){
3284
    name=$1
3285
    file=$source_path/$2
3286
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3287
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3288
    lcname=$(tolower $name)
3289
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3290
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3291
}
3292

    
3293
get_version LIBSWSCALE  libswscale/swscale.h
3294
get_version LIBPOSTPROC libpostproc/postprocess.h
3295
get_version LIBAVCODEC  libavcodec/version.h
3296
get_version LIBAVDEVICE libavdevice/avdevice.h
3297
get_version LIBAVFORMAT libavformat/version.h
3298
get_version LIBAVUTIL   libavutil/avutil.h
3299
get_version LIBAVFILTER libavfilter/avfilter.h
3300

    
3301
cat > $TMPH <<EOF
3302
/* Automatically generated by configure - do not modify! */
3303
#ifndef LIBAV_CONFIG_H
3304
#define LIBAV_CONFIG_H
3305
#define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3306
#define LIBAV_LICENSE "$(c_escape $license)"
3307
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3308
#define CC_TYPE "$cc_type"
3309
#define CC_VERSION $cc_version
3310
#define restrict $_restrict
3311
#define EXTERN_PREFIX "${extern_prefix}"
3312
#define EXTERN_ASM ${extern_prefix}
3313
#define SLIBSUF "$SLIBSUF"
3314
EOF
3315

    
3316
test -n "$malloc_prefix" &&
3317
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3318

    
3319
if enabled small || disabled optimizations; then
3320
    echo "#undef  av_always_inline"  >> $TMPH
3321
    if enabled small; then
3322
        echo "#define av_always_inline inline"  >> $TMPH
3323
    else
3324
        echo "#define av_always_inline av_unused"  >> $TMPH
3325
    fi
3326
fi
3327

    
3328
if enabled yasm; then
3329
    append config_files $TMPASM
3330
    printf '' >$TMPASM
3331
fi
3332

    
3333
print_config ARCH_   "$config_files" $ARCH_LIST
3334
print_config HAVE_   "$config_files" $HAVE_LIST
3335
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3336
                                     $CONFIG_EXTRA      \
3337
                                     $DECODER_LIST      \
3338
                                     $ENCODER_LIST      \
3339
                                     $HWACCEL_LIST      \
3340
                                     $PARSER_LIST       \
3341
                                     $BSF_LIST          \
3342
                                     $DEMUXER_LIST      \
3343
                                     $MUXER_LIST        \
3344
                                     $FILTER_LIST       \
3345
                                     $PROTOCOL_LIST     \
3346
                                     $INDEV_LIST        \
3347
                                     $OUTDEV_LIST       \
3348

    
3349
cat >>config.mak <<EOF
3350
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3351
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3352
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3353
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3354
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3355
EOF
3356

    
3357
echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3358
echo "endif # LIBAV_CONFIG_MAK" >> config.mak
3359

    
3360
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3361
cp_if_changed $TMPH config.h
3362
touch .config
3363

    
3364
enabled yasm && cp_if_changed $TMPASM config.asm
3365

    
3366
cat > $TMPH <<EOF
3367
/* Generated by ffconf */
3368
#ifndef AVUTIL_AVCONFIG_H
3369
#define AVUTIL_AVCONFIG_H
3370
EOF
3371

    
3372
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3373

    
3374
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3375

    
3376
cp_if_changed $TMPH libavutil/avconfig.h
3377

    
3378
test -n "$WARNINGS" && printf "\n$WARNINGS"
3379

    
3380
# build pkg-config files
3381

    
3382
pkgconfig_generate(){
3383
name=$1
3384
shortname=${name#lib}${build_suffix}
3385
comment=$2
3386
version=$3
3387
libs=$4
3388
requires=$5
3389
enabled ${name#lib} || return 0
3390
cat <<EOF > $name/$name.pc
3391
prefix=$prefix
3392
exec_prefix=\${prefix}
3393
libdir=$libdir
3394
includedir=$incdir
3395

    
3396
Name: $name
3397
Description: $comment
3398
Version: $version
3399
Requires: $(enabled shared || echo $requires)
3400
Requires.private: $(enabled shared && echo $requires)
3401
Conflicts:
3402
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3403
Libs.private: $(enabled shared && echo $libs)
3404
Cflags: -I\${includedir}
3405
EOF
3406
cat <<EOF > $name/$name-uninstalled.pc
3407
prefix=
3408
exec_prefix=
3409
libdir=\${pcfiledir}
3410
includedir=${source_path}
3411

    
3412
Name: $name
3413
Description: $comment
3414
Version: $version
3415
Requires: $requires
3416
Conflicts:
3417
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3418
Cflags: -I\${includedir}
3419
EOF
3420
}
3421

    
3422
pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION"
3423
pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs"
3424
pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3425
pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3426
pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3427
pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION"
3428
pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"