Statistics
| Branch: | Revision:

ffmpeg / configure @ ced9556b

History | View | Annotate | Download (101 KB)

1
#!/bin/sh
2
#
3
# Libav configure script
4
#
5
# Copyright (c) 2000-2002 Fabrice Bellard
6
# Copyright (c) 2005-2008 Diego Biurrun
7
# Copyright (c) 2005-2008 Mans Rullgard
8
#
9

    
10
# Prevent locale nonsense from breaking basic text processing.
11
LC_ALL=C
12
export LC_ALL
13

    
14
# make sure we are running under a compatible shell
15
# try to make this part work with most shells
16

    
17
try_exec(){
18
    echo "Trying shell $1"
19
    type "$1" > /dev/null 2>&1 && exec "$@"
20
}
21

    
22
unset foo
23
(: ${foo%%bar}) 2> /dev/null
24
E1="$?"
25

    
26
(: ${foo?}) 2> /dev/null
27
E2="$?"
28

    
29
if test "$E1" != 0 || test "$E2" = 0; then
30
    echo "Broken shell detected.  Trying alternatives."
31
    export FF_CONF_EXEC
32
    if test "0$FF_CONF_EXEC" -lt 1; then
33
        FF_CONF_EXEC=1
34
        try_exec bash "$0" "$@"
35
    fi
36
    if test "0$FF_CONF_EXEC" -lt 2; then
37
        FF_CONF_EXEC=2
38
        try_exec ksh "$0" "$@"
39
    fi
40
    if test "0$FF_CONF_EXEC" -lt 3; then
41
        FF_CONF_EXEC=3
42
        try_exec /usr/xpg4/bin/sh "$0" "$@"
43
    fi
44
    echo "No compatible shell script interpreter found."
45
    echo "This configure script requires a POSIX-compatible shell"
46
    echo "such as bash or ksh."
47
    echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48
    echo "Instead, install a working POSIX-compatible shell."
49
    echo "Disabling this configure test will create a broken Libav."
50
    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51
        echo "This bash version ($BASH_VERSION) is broken on your platform."
52
        echo "Upgrade to a later version if available."
53
    fi
54
    exit 1
55
fi
56

    
57
show_help(){
58
cat <<EOF
59
Usage: configure [options]
60
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]
65
  --disable-logging        do not log configure debug information
66
  --prefix=PREFIX          install in PREFIX [$prefix]
67
  --bindir=DIR             install binaries in DIR [PREFIX/bin]
68
  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
69
  --libdir=DIR             install libs in DIR [PREFIX/lib]
70
  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
71
  --incdir=DIR             install includes in DIR [PREFIX/include]
72
  --mandir=DIR             install man page in DIR [PREFIX/share/man]
73

    
74
Configuration options:
75
  --disable-static         do not build static libraries [no]
76
  --enable-shared          build shared libraries [no]
77
  --enable-gpl             allow use of GPL code, the resulting libs
78
                           and binaries will be under GPL [no]
79
  --enable-version3        upgrade (L)GPL to version 3 [no]
80
  --enable-nonfree         allow use of nonfree code, the resulting libs
81
                           and binaries will be unredistributable [no]
82
  --disable-doc            do not build documentation
83
  --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
  --disable-postproc       disable libpostproc build
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
  --enable-gray            enable full grayscale support (slower color)
98
  --disable-swscale-alpha  disable alpha channel support in swscale
99
  --disable-fastdiv        disable table-based division
100
  --enable-small           optimize for size instead of speed
101
  --disable-aandct         disable AAN DCT code
102
  --disable-dct            disable DCT code
103
  --disable-fft            disable FFT code
104
  --disable-golomb         disable Golomb code
105
  --disable-huffman        disable Huffman code
106
  --disable-lpc            disable LPC code
107
  --disable-mdct           disable MDCT code
108
  --disable-rdft           disable RDFT code
109
  --disable-vaapi          disable VAAPI code
110
  --disable-vdpau          disable VDPAU code
111
  --disable-dxva2          disable DXVA2 code
112
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
113
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
114
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
115
  --disable-everything     disable all components listed below
116
  --disable-encoder=NAME   disable encoder NAME
117
  --enable-encoder=NAME    enable encoder NAME
118
  --disable-encoders       disable all encoders
119
  --disable-decoder=NAME   disable decoder NAME
120
  --enable-decoder=NAME    enable decoder NAME
121
  --disable-decoders       disable all decoders
122
  --disable-hwaccel=NAME   disable hwaccel NAME
123
  --enable-hwaccel=NAME    enable hwaccel NAME
124
  --disable-hwaccels       disable all hwaccels
125
  --disable-muxer=NAME     disable muxer NAME
126
  --enable-muxer=NAME      enable muxer NAME
127
  --disable-muxers         disable all muxers
128
  --disable-demuxer=NAME   disable demuxer NAME
129
  --enable-demuxer=NAME    enable demuxer NAME
130
  --disable-demuxers       disable all demuxers
131
  --enable-parser=NAME     enable parser NAME
132
  --disable-parser=NAME    disable parser NAME
133
  --disable-parsers        disable all parsers
134
  --enable-bsf=NAME        enable bitstream filter NAME
135
  --disable-bsf=NAME       disable bitstream filter NAME
136
  --disable-bsfs           disable all bitstream filters
137
  --enable-protocol=NAME   enable protocol NAME
138
  --disable-protocol=NAME  disable protocol NAME
139
  --disable-protocols      disable all protocols
140
  --disable-indev=NAME     disable input device NAME
141
  --disable-outdev=NAME    disable output device NAME
142
  --disable-indevs         disable input devices
143
  --disable-outdevs        disable output devices
144
  --disable-devices        disable all devices
145
  --enable-filter=NAME     enable filter NAME
146
  --disable-filter=NAME    disable filter NAME
147
  --disable-filters        disable all filters
148
  --list-decoders          show all available decoders
149
  --list-encoders          show all available encoders
150
  --list-hwaccels          show all available hardware accelerators
151
  --list-muxers            show all available muxers
152
  --list-demuxers          show all available demuxers
153
  --list-parsers           show all available parsers
154
  --list-protocols         show all available protocols
155
  --list-bsfs              show all available bitstream filters
156
  --list-indevs            show all available input devices
157
  --list-outdevs           show all available output devices
158
  --list-filters           show all available filters
159

    
160
External library support:
161
  --enable-avisynth        enable reading of AVISynth script files [no]
162
  --enable-bzlib           enable bzlib [autodetect]
163
  --enable-frei0r          enable frei0r video filtering
164
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166
  --enable-libopencv       enable video filtering via libopencv [no]
167
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
168
                           and libraw1394 [no]
169
  --enable-libdirac        enable Dirac support via libdirac [no]
170
  --enable-libfaac         enable FAAC support via libfaac [no]
171
  --enable-libfreetype     enable libfreetype [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-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
183
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
184
                           native implementation exists [no]
185
  --enable-libvpx          enable VP8 support via libvpx [no]
186
  --enable-libx264         enable H.264 encoding via x264 [no]
187
  --enable-libxavs         enable AVS encoding via xavs [no]
188
  --enable-libxvid         enable Xvid encoding via xvidcore,
189
                           native MPEG-4/Xvid encoder exists [no]
190
  --enable-mlib            enable Sun medialib [no]
191
  --enable-zlib            enable zlib [autodetect]
192

    
193
Advanced options (experts only):
194
  --source-path=PATH       path to source code [$source_path]
195
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
196
  --enable-cross-compile   assume a cross-compiler is used
197
  --sysroot=PATH           root of cross-build tree
198
  --sysinclude=PATH        location of cross-build system headers
199
  --target-os=OS           compiler targets OS [$target_os]
200
  --target-exec=CMD        command to run executables on target
201
  --target-path=DIR        path to view of build directory on target
202
  --nm=NM                  use nm tool
203
  --ar=AR                  use archive tool AR [$ar_default]
204
  --as=AS                  use assembler AS [$as_default]
205
  --cc=CC                  use C compiler CC [$cc_default]
206
  --ld=LD                  use linker LD
207
  --host-cc=HOSTCC         use host C compiler HOSTCC
208
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
209
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
210
  --host-libs=HLIBS        use libs HLIBS when linking for host
211
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
212
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
213
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
214
  --extra-version=STRING   version string suffix []
215
  --build-suffix=SUFFIX    library name suffix []
216
  --arch=ARCH              select architecture [$arch]
217
  --cpu=CPU                select the minimum required CPU (affects
218
                           instruction selection, may crash on older CPUs)
219
  --disable-asm            disable all assembler optimizations
220
  --disable-altivec        disable AltiVec optimizations
221
  --disable-amd3dnow       disable 3DNow! optimizations
222
  --disable-amd3dnowext    disable 3DNow! extended optimizations
223
  --disable-mmx            disable MMX optimizations
224
  --disable-mmx2           disable MMX2 optimizations
225
  --disable-sse            disable SSE optimizations
226
  --disable-ssse3          disable SSSE3 optimizations
227
  --disable-avx            disable AVX optimizations
228
  --disable-armv5te        disable armv5te optimizations
229
  --disable-armv6          disable armv6 optimizations
230
  --disable-armv6t2        disable armv6t2 optimizations
231
  --disable-armvfp         disable ARM VFP optimizations
232
  --disable-iwmmxt         disable iwmmxt optimizations
233
  --disable-mmi            disable MMI optimizations
234
  --disable-neon           disable neon optimizations
235
  --disable-vis            disable VIS optimizations
236
  --disable-yasm           disable use of yasm assembler
237
  --enable-pic             build position-independent code
238
  --malloc-prefix=PFX      prefix malloc and related names with PFX
239
  --enable-sram            allow use of on-chip SRAM
240
  --disable-symver         disable symbol versioning
241

    
242
Developer options (useful when working on Libav itself):
243
  --disable-debug          disable debugging symbols
244
  --enable-debug=LEVEL     set the debug level [$debuglevel]
245
  --disable-optimizations  disable compiler optimizations
246
  --enable-extra-warnings  enable more compiler warnings
247
  --samples=PATH           location of test samples for FATE, if not set use
248
                           \$FATE_SAMPLES at make invocation time.
249

    
250
NOTE: Object files are built at the place where configure is launched.
251
EOF
252
  exit 0
253
}
254

    
255
quotes='""'
256

    
257
log(){
258
    echo "$@" >> $logfile
259
}
260

    
261
log_file(){
262
    log BEGIN $1
263
    pr -n -t $1 >> $logfile
264
    log END $1
265
}
266

    
267
echolog(){
268
    log "$@"
269
    echo "$@"
270
}
271

    
272
warn(){
273
    log "WARNING: $*"
274
    WARNINGS="${WARNINGS}WARNING: $*\n"
275
}
276

    
277
die(){
278
    echolog "$@"
279
    cat <<EOF
280

    
281
If you think configure made a mistake, make sure you are using the latest
282
version from Git.  If the latest version fails, report the problem to the
283
libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
284
EOF
285
    if disabled logging; then
286
        cat <<EOF
287
Rerun configure with logging enabled (do not use --disable-logging), and
288
include the log this produces with your report.
289
EOF
290
    else
291
cat <<EOF
292
Include the log file "$logfile" produced by configure as this will help
293
solving the problem.
294
EOF
295
    fi
296
    exit 1
297
}
298

    
299
# Avoid locale weirdness, besides we really just want to translate ASCII.
300
toupper(){
301
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
302
}
303

    
304
tolower(){
305
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
306
}
307

    
308
c_escape(){
309
    echo "$*" | sed 's/["\\]/\\\0/g'
310
}
311

    
312
sh_quote(){
313
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
314
    test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
315
    echo "$v"
316
}
317

    
318
cleanws(){
319
    echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
320
}
321

    
322
filter(){
323
    pat=$1
324
    shift
325
    for v; do
326
        eval "case $v in $pat) echo $v ;; esac"
327
    done
328
}
329

    
330
filter_out(){
331
    pat=$1
332
    shift
333
    for v; do
334
        eval "case $v in $pat) ;; *) echo $v ;; esac"
335
    done
336
}
337

    
338
map(){
339
    m=$1
340
    shift
341
    for v; do eval $m; done
342
}
343

    
344
set_all(){
345
    value=$1
346
    shift
347
    for var in $*; do
348
        eval $var=$value
349
    done
350
}
351

    
352
set_weak(){
353
    value=$1
354
    shift
355
    for var; do
356
        eval : \${$var:=$value}
357
    done
358
}
359

    
360
set_safe(){
361
    var=$1
362
    shift
363
    eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
364
}
365

    
366
get_safe(){
367
    eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
368
}
369

    
370
pushvar(){
371
    for var in $*; do
372
        eval level=\${${var}_level:=0}
373
        eval ${var}_${level}="\$$var"
374
        eval ${var}_level=$(($level+1))
375
    done
376
}
377

    
378
popvar(){
379
    for var in $*; do
380
        eval level=\${${var}_level:-0}
381
        test $level = 0 && continue
382
        eval level=$(($level-1))
383
        eval $var="\${${var}_${level}}"
384
        eval ${var}_level=$level
385
        eval unset ${var}_${level}
386
    done
387
}
388

    
389
enable(){
390
    set_all yes $*
391
}
392

    
393
disable(){
394
    set_all no $*
395
}
396

    
397
enable_weak(){
398
    set_weak yes $*
399
}
400

    
401
disable_weak(){
402
    set_weak no $*
403
}
404

    
405
enable_safe(){
406
    for var; do
407
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
408
    done
409
}
410

    
411
disable_safe(){
412
    for var; do
413
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
414
    done
415
}
416

    
417
do_enable_deep(){
418
    for var; do
419
        enabled $var && continue
420
        eval sel="\$${var}_select"
421
        eval sgs="\$${var}_suggest"
422
        pushvar var sgs
423
        enable_deep $sel
424
        popvar sgs
425
        enable_deep_weak $sgs
426
        popvar var
427
    done
428
}
429

    
430
enable_deep(){
431
    do_enable_deep $*
432
    enable $*
433
}
434

    
435
enable_deep_weak(){
436
    do_enable_deep $*
437
    enable_weak $*
438
}
439

    
440
enabled(){
441
    test "${1#!}" = "$1" && op== || op=!=
442
    eval test "x\$${1#!}" $op "xyes"
443
}
444

    
445
disabled(){
446
    test "${1#!}" = "$1" && op== || op=!=
447
    eval test "x\$${1#!}" $op "xno"
448
}
449

    
450
enabled_all(){
451
    for opt; do
452
        enabled $opt || return 1
453
    done
454
}
455

    
456
disabled_all(){
457
    for opt; do
458
        disabled $opt || return 1
459
    done
460
}
461

    
462
enabled_any(){
463
    for opt; do
464
        enabled $opt && return 0
465
    done
466
}
467

    
468
disabled_any(){
469
    for opt; do
470
        disabled $opt && return 0
471
    done
472
    return 1
473
}
474

    
475
set_default(){
476
    for opt; do
477
        eval : \${$opt:=\$${opt}_default}
478
    done
479
}
480

    
481
is_in(){
482
    value=$1
483
    shift
484
    for var in $*; do
485
        [ $var = $value ] && return 0
486
    done
487
    return 1
488
}
489

    
490
check_deps(){
491
    for cfg; do
492
        cfg="${cfg#!}"
493
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
494
        disabled ${cfg}_checking && continue
495
        enable ${cfg}_checking
496

    
497
        eval dep_all="\$${cfg}_deps"
498
        eval dep_any="\$${cfg}_deps_any"
499
        eval dep_sel="\$${cfg}_select"
500
        eval dep_sgs="\$${cfg}_suggest"
501
        eval dep_ifa="\$${cfg}_if"
502
        eval dep_ifn="\$${cfg}_if_any"
503

    
504
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
505
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
506
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
507

    
508
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
509
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
510
        enabled_all  $dep_all || disable $cfg
511
        enabled_any  $dep_any || disable $cfg
512
        disabled_any $dep_sel && disable $cfg
513

    
514
        if enabled $cfg; then
515
            eval dep_extralibs="\$${cfg}_extralibs"
516
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
517
            enable_deep $dep_sel
518
            enable_deep_weak $dep_sgs
519
        fi
520

    
521
        disable ${cfg}_checking
522
    done
523
}
524

    
525
print_config_h(){
526
    enabled $1 && v=1 || v=0
527
    echo "#define $2 $v"
528
}
529

    
530
print_config_mak(){
531
    enabled $1 && v= || v=!
532
    echo "$v$2=yes"
533
}
534

    
535
print_config_asm(){
536
    enabled $1 && echo "%define $2"
537
}
538

    
539
print_config(){
540
    pfx=$1
541
    files=$2
542
    shift 2
543
    for cfg; do
544
        ucname="$(toupper $cfg)"
545
        for f in $files; do
546
            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
547
        done
548
    done
549
}
550

    
551
print_enabled(){
552
    test "$1" = -n && end=" " && shift || end="\n"
553
    suf=$1
554
    shift
555
    for v; do
556
        enabled $v && printf "%s$end" ${v%$suf};
557
    done
558
}
559

    
560
append(){
561
    var=$1
562
    shift
563
    eval "$var=\"\$$var $*\""
564
}
565

    
566
prepend(){
567
    var=$1
568
    shift
569
    eval "$var=\"$* \$$var\""
570
}
571

    
572
add_cppflags(){
573
    append CPPFLAGS $($filter_cppflags "$@")
574
}
575

    
576
add_cflags(){
577
    append CFLAGS $($filter_cflags "$@")
578
}
579

    
580
add_asflags(){
581
    append ASFLAGS $($filter_asflags "$@")
582
}
583

    
584
add_ldflags(){
585
    append LDFLAGS "$@"
586
}
587

    
588
add_extralibs(){
589
    prepend extralibs "$@"
590
}
591

    
592
check_cmd(){
593
    log "$@"
594
    "$@" >> $logfile 2>&1
595
}
596

    
597
check_cc(){
598
    log check_cc "$@"
599
    cat > $TMPC
600
    log_file $TMPC
601
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
602
}
603

    
604
check_cpp(){
605
    log check_cpp "$@"
606
    cat > $TMPC
607
    log_file $TMPC
608
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
609
}
610

    
611
check_as(){
612
    log check_as "$@"
613
    cat > $TMPC
614
    log_file $TMPC
615
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
616
}
617

    
618
check_asm(){
619
    log check_asm "$@"
620
    name="$1"
621
    code="$2"
622
    shift 2
623
    disable $name
624
    check_as "$@" <<EOF && enable $name
625
void foo(void){ __asm__ volatile($code); }
626
EOF
627
}
628

    
629
check_yasm(){
630
    log check_yasm "$@"
631
    echo "$1" > $TMPS
632
    log_file $TMPS
633
    shift 1
634
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
635
}
636

    
637
check_ld(){
638
    log check_ld "$@"
639
    flags=''
640
    libs=''
641
    for f; do
642
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
643
    done
644
    check_cc $($filter_cflags $flags) || return
645
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
646
}
647

    
648
check_cppflags(){
649
    log check_cppflags "$@"
650
    set -- $($filter_cppflags "$@")
651
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
652
int x;
653
EOF
654
}
655

    
656
check_cflags(){
657
    log check_cflags "$@"
658
    set -- $($filter_cflags "$@")
659
    check_cc "$@" <<EOF && append CFLAGS "$@"
660
int x;
661
EOF
662
}
663

    
664
test_ldflags(){
665
    log test_ldflags "$@"
666
    check_ld "$@" <<EOF
667
int main(void){ return 0; }
668
EOF
669
}
670

    
671
check_ldflags(){
672
    log check_ldflags "$@"
673
    test_ldflags "$@" && add_ldflags "$@"
674
}
675

    
676
check_header(){
677
    log check_header "$@"
678
    header=$1
679
    shift
680
    disable_safe $header
681
    check_cpp "$@" <<EOF && enable_safe $header
682
#include <$header>
683
int x;
684
EOF
685
}
686

    
687
check_func(){
688
    log check_func "$@"
689
    func=$1
690
    shift
691
    disable $func
692
    check_ld "$@" <<EOF && enable $func
693
extern int $func();
694
int main(void){ $func(); }
695
EOF
696
}
697

    
698
check_mathfunc(){
699
    log check_mathfunc "$@"
700
    func=$1
701
    shift
702
    disable $func
703
    check_ld "$@" <<EOF && enable $func
704
#include <math.h>
705
float foo(float f) { return $func(f); }
706
int main(void){ return 0; }
707
EOF
708
}
709

    
710
check_func_headers(){
711
    log check_func_headers "$@"
712
    headers=$1
713
    funcs=$2
714
    shift 2
715
    {
716
        for hdr in $headers; do
717
            echo "#include <$hdr>"
718
        done
719
        for func in $funcs; do
720
            echo "long check_$func(void) { return (long) $func; }"
721
        done
722
        echo "int main(void) { return 0; }"
723
    } | check_ld "$@" && enable $funcs && enable_safe $headers
724
}
725

    
726
check_cpp_condition(){
727
    log check_cpp_condition "$@"
728
    header=$1
729
    condition=$2
730
    shift 2
731
    check_cpp $($filter_cppflags "$@") <<EOF
732
#include <$header>
733
#if !($condition)
734
#error "unsatisfied condition: $condition"
735
#endif
736
EOF
737
}
738

    
739
check_lib(){
740
    log check_lib "$@"
741
    header="$1"
742
    func="$2"
743
    shift 2
744
    check_header $header && check_func $func "$@" && add_extralibs "$@"
745
}
746

    
747
check_lib2(){
748
    log check_lib2 "$@"
749
    headers="$1"
750
    funcs="$2"
751
    shift 2
752
    check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
753
}
754

    
755
check_pkg_config(){
756
    log check_pkg_config "$@"
757
    pkg="$1"
758
    headers="$2"
759
    funcs="$3"
760
    shift 3
761
    $pkg_config --exists $pkg || return
762
    pkg_cflags=$($pkg_config --cflags $pkg)
763
    pkg_libs=$($pkg_config --libs $pkg)
764
    check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
765
        set_safe ${pkg}_cflags $pkg_cflags   &&
766
        set_safe ${pkg}_libs   $pkg_libs
767
}
768

    
769
check_exec(){
770
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
771
}
772

    
773
check_exec_crash(){
774
    code=$(cat)
775

    
776
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
777
    # are safe but may not be available everywhere.  Thus we use
778
    # raise(SIGTERM) instead.  The check is run in a subshell so we
779
    # can redirect the "Terminated" message from the shell.  SIGBUS
780
    # is not defined by standard C so it is used conditionally.
781

    
782
    (check_exec "$@") >> $logfile 2>&1 <<EOF
783
#include <signal.h>
784
static void sighandler(int sig){
785
    raise(SIGTERM);
786
}
787
int main(void){
788
    signal(SIGILL, sighandler);
789
    signal(SIGFPE, sighandler);
790
    signal(SIGSEGV, sighandler);
791
#ifdef SIGBUS
792
    signal(SIGBUS, sighandler);
793
#endif
794
    { $code }
795
}
796
EOF
797
}
798

    
799
check_type(){
800
    log check_type "$@"
801
    headers=$1
802
    type=$2
803
    shift 2
804
    disable_safe "$type"
805
    incs=""
806
    for hdr in $headers; do
807
        incs="$incs
808
#include <$hdr>"
809
    done
810
    check_cc "$@" <<EOF && enable_safe "$type"
811
$incs
812
$type v;
813
EOF
814
}
815

    
816
check_struct(){
817
    log check_type "$@"
818
    headers=$1
819
    struct=$2
820
    member=$3
821
    shift 3
822
    disable_safe "${struct}_${member}"
823
    incs=""
824
    for hdr in $headers; do
825
        incs="$incs
826
#include <$hdr>"
827
    done
828
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
829
$incs
830
const void *p = &(($struct *)0)->$member;
831
EOF
832
}
833

    
834
require(){
835
    name="$1"
836
    header="$2"
837
    func="$3"
838
    shift 3
839
    check_lib $header $func "$@" || die "ERROR: $name not found"
840
}
841

    
842
require2(){
843
    name="$1"
844
    headers="$2"
845
    func="$3"
846
    shift 3
847
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
848
}
849

    
850
require_pkg_config(){
851
    pkg="$1"
852
    check_pkg_config "$@" || die "ERROR: $pkg not found"
853
    add_cflags    $(get_safe ${pkg}_cflags)
854
    add_extralibs $(get_safe ${pkg}_libs)
855
}
856

    
857
check_host_cc(){
858
    log check_host_cc "$@"
859
    cat > $TMPC
860
    log_file $TMPC
861
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
862
}
863

    
864
check_host_cflags(){
865
    log check_host_cflags "$@"
866
    check_host_cc "$@" <<EOF && append host_cflags "$@"
867
int x;
868
EOF
869
}
870

    
871
apply(){
872
    file=$1
873
    shift
874
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
875
}
876

    
877
cp_if_changed(){
878
    cmp -s "$1" "$2" &&
879
        echo "$2 is unchanged" ||
880
        cp -f "$1" "$2"
881
}
882

    
883
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
884
# system-dependent things.
885

    
886
COMPONENT_LIST="
887
    bsfs
888
    decoders
889
    demuxers
890
    encoders
891
    filters
892
    hwaccels
893
    indevs
894
    muxers
895
    outdevs
896
    parsers
897
    protocols
898
"
899

    
900
CONFIG_LIST="
901
    $COMPONENT_LIST
902
    aandct
903
    ac3dsp
904
    avcodec
905
    avdevice
906
    avfilter
907
    avformat
908
    avisynth
909
    bzlib
910
    dct
911
    doc
912
    dwt
913
    dxva2
914
    fastdiv
915
    ffmpeg
916
    ffplay
917
    ffprobe
918
    ffserver
919
    fft
920
    frei0r
921
    golomb
922
    gpl
923
    gray
924
    h264dsp
925
    h264pred
926
    hardcoded_tables
927
    huffman
928
    libdc1394
929
    libdirac
930
    libfaac
931
    libfreetype
932
    libgsm
933
    libmp3lame
934
    libnut
935
    libopencore_amrnb
936
    libopencore_amrwb
937
    libopencv
938
    libopenjpeg
939
    librtmp
940
    libschroedinger
941
    libspeex
942
    libtheora
943
    libvo_aacenc
944
    libvo_amrwbenc
945
    libvorbis
946
    libvpx
947
    libx264
948
    libxavs
949
    libxvid
950
    lpc
951
    lsp
952
    mdct
953
    memalign_hack
954
    mlib
955
    network
956
    nonfree
957
    pic
958
    postproc
959
    rdft
960
    rtpdec
961
    runtime_cpudetect
962
    shared
963
    sinewin
964
    small
965
    sram
966
    static
967
    swscale
968
    swscale_alpha
969
    vaapi
970
    vdpau
971
    version3
972
    x11grab
973
    zlib
974
"
975

    
976
THREADS_LIST='
977
    pthreads
978
    w32threads
979
'
980

    
981
ARCH_LIST='
982
    alpha
983
    arm
984
    avr32
985
    avr32_ap
986
    avr32_uc
987
    bfin
988
    ia64
989
    m68k
990
    mips
991
    mips64
992
    parisc
993
    ppc
994
    ppc64
995
    s390
996
    sh4
997
    sparc
998
    sparc64
999
    tomi
1000
    x86
1001
    x86_32
1002
    x86_64
1003
'
1004

    
1005
ARCH_EXT_LIST='
1006
    altivec
1007
    amd3dnow
1008
    amd3dnowext
1009
    armv5te
1010
    armv6
1011
    armv6t2
1012
    armvfp
1013
    avx
1014
    iwmmxt
1015
    mmi
1016
    mmx
1017
    mmx2
1018
    neon
1019
    ppc4xx
1020
    sse
1021
    ssse3
1022
    vis
1023
'
1024

    
1025
HAVE_LIST_PUB='
1026
    bigendian
1027
    fast_unaligned
1028
'
1029

    
1030
HAVE_LIST="
1031
    $ARCH_EXT_LIST
1032
    $HAVE_LIST_PUB
1033
    $THREADS_LIST
1034
    aligned_stack
1035
    alsa_asoundlib_h
1036
    altivec_h
1037
    arpa_inet_h
1038
    attribute_may_alias
1039
    attribute_packed
1040
    bswap
1041
    closesocket
1042
    cmov
1043
    dcbzl
1044
    dev_bktr_ioctl_bt848_h
1045
    dev_bktr_ioctl_meteor_h
1046
    dev_ic_bt8xx_h
1047
    dev_video_meteor_ioctl_meteor_h
1048
    dev_video_bktr_ioctl_bt848_h
1049
    dlfcn_h
1050
    dlopen
1051
    dos_paths
1052
    ebp_available
1053
    ebx_available
1054
    exp2
1055
    exp2f
1056
    fast_64bit
1057
    fast_clz
1058
    fast_cmov
1059
    fcntl
1060
    fork
1061
    getaddrinfo
1062
    gethrtime
1063
    GetProcessMemoryInfo
1064
    GetProcessTimes
1065
    getrusage
1066
    gnu_as
1067
    struct_rusage_ru_maxrss
1068
    ibm_asm
1069
    inet_aton
1070
    inline_asm
1071
    isatty
1072
    kbhit
1073
    ldbrx
1074
    libdc1394_1
1075
    libdc1394_2
1076
    llrint
1077
    llrintf
1078
    local_aligned_16
1079
    local_aligned_8
1080
    localtime_r
1081
    log2
1082
    log2f
1083
    loongson
1084
    lrint
1085
    lrintf
1086
    lzo1x_999_compress
1087
    machine_ioctl_bt848_h
1088
    machine_ioctl_meteor_h
1089
    malloc_h
1090
    MapViewOfFile
1091
    memalign
1092
    mkstemp
1093
    mmap
1094
    pld
1095
    posix_memalign
1096
    round
1097
    roundf
1098
    sdl
1099
    sdl_video_size
1100
    setmode
1101
    sndio_h
1102
    socklen_t
1103
    soundcard_h
1104
    poll_h
1105
    setrlimit
1106
    strerror_r
1107
    strtok_r
1108
    struct_addrinfo
1109
    struct_ipv6_mreq
1110
    struct_sockaddr_in6
1111
    struct_sockaddr_sa_len
1112
    struct_sockaddr_storage
1113
    symver
1114
    symver_gnu_asm
1115
    symver_asm_label
1116
    sys_mman_h
1117
    sys_resource_h
1118
    sys_select_h
1119
    sys_soundcard_h
1120
    sys_videoio_h
1121
    ten_operands
1122
    threads
1123
    trunc
1124
    truncf
1125
    vfp_args
1126
    VirtualAlloc
1127
    winsock2_h
1128
    xform_asm
1129
    xmm_clobbers
1130
    yasm
1131
"
1132

    
1133
# options emitted with CONFIG_ prefix but not available on command line
1134
CONFIG_EXTRA="
1135
    avutil
1136
    gplv3
1137
    lgplv3
1138
"
1139

    
1140
CMDLINE_SELECT="
1141
    $ARCH_EXT_LIST
1142
    $CONFIG_LIST
1143
    $THREADS_LIST
1144
    asm
1145
    cross_compile
1146
    debug
1147
    extra_warnings
1148
    logging
1149
    optimizations
1150
    symver
1151
    yasm
1152
"
1153

    
1154
PATHS_LIST='
1155
    bindir
1156
    datadir
1157
    incdir
1158
    libdir
1159
    mandir
1160
    prefix
1161
    shlibdir
1162
'
1163

    
1164
CMDLINE_SET="
1165
    $PATHS_LIST
1166
    ar
1167
    arch
1168
    as
1169
    build_suffix
1170
    cc
1171
    cpu
1172
    cross_prefix
1173
    dep_cc
1174
    extra_version
1175
    host_cc
1176
    host_cflags
1177
    host_ldflags
1178
    host_libs
1179
    host_os
1180
    ld
1181
    logfile
1182
    malloc_prefix
1183
    nm
1184
    pkg_config
1185
    samples
1186
    source_path
1187
    sysinclude
1188
    sysroot
1189
    target_exec
1190
    target_os
1191
    target_path
1192
"
1193

    
1194
CMDLINE_APPEND="
1195
    extra_cflags
1196
"
1197

    
1198
# code dependency declarations
1199

    
1200
# architecture extensions
1201

    
1202
armv5te_deps="arm"
1203
armv6_deps="arm"
1204
armv6t2_deps="arm"
1205
armvfp_deps="arm"
1206
iwmmxt_deps="arm"
1207
neon_deps="arm"
1208

    
1209
mmi_deps="mips"
1210

    
1211
altivec_deps="ppc"
1212
ppc4xx_deps="ppc"
1213

    
1214
vis_deps="sparc"
1215

    
1216
x86_64_suggest="cmov fast_cmov"
1217
amd3dnow_deps="mmx"
1218
amd3dnowext_deps="amd3dnow"
1219
mmx_deps="x86"
1220
mmx2_deps="mmx"
1221
sse_deps="mmx"
1222
ssse3_deps="sse"
1223
avx_deps="ssse3"
1224

    
1225
aligned_stack_if_any="ppc x86"
1226
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1227
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1228
fast_unaligned_if_any="armv6 ppc x86"
1229

    
1230
need_memalign="altivec neon sse"
1231
inline_asm_deps="!tms470"
1232

    
1233
symver_if_any="symver_asm_label symver_gnu_asm"
1234

    
1235
# subsystems
1236
dct_select="rdft"
1237
mdct_select="fft"
1238
rdft_select="fft"
1239

    
1240
# decoders / encoders / hardware accelerators
1241
aac_decoder_select="mdct sinewin"
1242
aac_encoder_select="mdct sinewin"
1243
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1244
ac3_decoder_select="mdct ac3dsp ac3_parser"
1245
ac3_encoder_select="mdct ac3dsp"
1246
ac3_fixed_encoder_select="mdct ac3dsp"
1247
alac_encoder_select="lpc"
1248
amrnb_decoder_select="lsp"
1249
amrwb_decoder_select="lsp"
1250
atrac1_decoder_select="mdct sinewin"
1251
atrac3_decoder_select="mdct"
1252
binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1253
binkaudio_rdft_decoder_select="mdct rdft sinewin"
1254
cavs_decoder_select="golomb"
1255
cook_decoder_select="mdct sinewin"
1256
cscd_decoder_suggest="zlib"
1257
dca_decoder_select="mdct"
1258
dnxhd_encoder_select="aandct"
1259
dxa_decoder_select="zlib"
1260
eac3_decoder_select="ac3_decoder"
1261
eamad_decoder_select="aandct"
1262
eatgq_decoder_select="aandct"
1263
eatqi_decoder_select="aandct"
1264
ffv1_decoder_select="golomb"
1265
flac_decoder_select="golomb"
1266
flac_encoder_select="golomb lpc"
1267
flashsv_decoder_select="zlib"
1268
flashsv_encoder_select="zlib"
1269
flv_decoder_select="h263_decoder"
1270
flv_encoder_select="h263_encoder"
1271
fraps_decoder_select="huffman"
1272
h261_encoder_select="aandct"
1273
h263_decoder_select="h263_parser"
1274
h263_encoder_select="aandct"
1275
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1276
h263i_decoder_select="h263_decoder"
1277
h263p_encoder_select="h263_encoder"
1278
h264_decoder_select="golomb h264dsp h264pred"
1279
h264_dxva2_hwaccel_deps="dxva2api_h"
1280
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1281
h264_vaapi_hwaccel_select="vaapi"
1282
h264_vdpau_decoder_select="vdpau h264_decoder"
1283
imc_decoder_select="fft mdct sinewin"
1284
jpegls_decoder_select="golomb"
1285
jpegls_encoder_select="golomb"
1286
ljpeg_encoder_select="aandct"
1287
loco_decoder_select="golomb"
1288
mjpeg_encoder_select="aandct"
1289
mlp_decoder_select="mlp_parser"
1290
mp1float_decoder_select="dct"
1291
mp2float_decoder_select="dct"
1292
mp3adufloat_decoder_select="dct"
1293
mp3float_decoder_select="dct"
1294
mp3on4float_decoder_select="dct"
1295
mpeg1video_encoder_select="aandct"
1296
mpeg2video_encoder_select="aandct"
1297
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1298
mpeg4_encoder_select="h263_encoder"
1299
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1300
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1301
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1302
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1303
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1304
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1305
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1306
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1307
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1308
msmpeg4v1_decoder_select="h263_decoder"
1309
msmpeg4v1_encoder_select="h263_encoder"
1310
msmpeg4v2_decoder_select="h263_decoder"
1311
msmpeg4v2_encoder_select="h263_encoder"
1312
msmpeg4v3_decoder_select="h263_decoder"
1313
msmpeg4v3_encoder_select="h263_encoder"
1314
nellymoser_decoder_select="mdct sinewin"
1315
nellymoser_encoder_select="mdct sinewin"
1316
png_decoder_select="zlib"
1317
png_encoder_select="zlib"
1318
qcelp_decoder_select="lsp"
1319
qdm2_decoder_select="mdct rdft"
1320
ra_144_encoder_select="lpc"
1321
rv10_decoder_select="h263_decoder"
1322
rv10_encoder_select="h263_encoder"
1323
rv20_decoder_select="h263_decoder"
1324
rv20_encoder_select="h263_encoder"
1325
rv30_decoder_select="golomb h264pred"
1326
rv40_decoder_select="golomb h264pred"
1327
shorten_decoder_select="golomb"
1328
sipr_decoder_select="lsp"
1329
snow_decoder_select="dwt"
1330
snow_encoder_select="aandct dwt"
1331
svq1_encoder_select="aandct"
1332
svq3_decoder_select="golomb h264dsp h264pred"
1333
svq3_decoder_suggest="zlib"
1334
theora_decoder_select="vp3_decoder"
1335
tiff_decoder_suggest="zlib"
1336
tiff_encoder_suggest="zlib"
1337
truehd_decoder_select="mlp_decoder"
1338
tscc_decoder_select="zlib"
1339
twinvq_decoder_select="mdct lsp sinewin"
1340
vc1_decoder_select="h263_decoder"
1341
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1342
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1343
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1344
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1345
vorbis_decoder_select="mdct"
1346
vorbis_encoder_select="mdct"
1347
vp6_decoder_select="huffman"
1348
vp6a_decoder_select="vp6_decoder"
1349
vp6f_decoder_select="vp6_decoder"
1350
vp8_decoder_select="h264pred"
1351
wmapro_decoder_select="mdct sinewin"
1352
wmav1_decoder_select="mdct sinewin"
1353
wmav1_encoder_select="mdct sinewin"
1354
wmav2_decoder_select="mdct sinewin"
1355
wmav2_encoder_select="mdct sinewin"
1356
wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1357
wmv1_decoder_select="h263_decoder"
1358
wmv1_encoder_select="h263_encoder"
1359
wmv2_decoder_select="h263_decoder"
1360
wmv2_encoder_select="h263_encoder"
1361
wmv3_decoder_select="vc1_decoder"
1362
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1363
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1364
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1365
zlib_decoder_select="zlib"
1366
zlib_encoder_select="zlib"
1367
zmbv_decoder_select="zlib"
1368
zmbv_encoder_select="zlib"
1369

    
1370
vaapi_deps="va_va_h"
1371
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1372

    
1373
# parsers
1374
h264_parser_select="golomb h264dsp h264pred"
1375

    
1376
# external libraries
1377
libdirac_decoder_deps="libdirac !libschroedinger"
1378
libdirac_encoder_deps="libdirac"
1379
libfaac_encoder_deps="libfaac"
1380
libgsm_decoder_deps="libgsm"
1381
libgsm_encoder_deps="libgsm"
1382
libgsm_ms_decoder_deps="libgsm"
1383
libgsm_ms_encoder_deps="libgsm"
1384
libmp3lame_encoder_deps="libmp3lame"
1385
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1386
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1387
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1388
libopenjpeg_decoder_deps="libopenjpeg"
1389
libschroedinger_decoder_deps="libschroedinger"
1390
libschroedinger_encoder_deps="libschroedinger"
1391
libspeex_decoder_deps="libspeex"
1392
libtheora_encoder_deps="libtheora"
1393
libvo_aacenc_encoder_deps="libvo_aacenc"
1394
libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1395
libvorbis_encoder_deps="libvorbis"
1396
libvpx_decoder_deps="libvpx"
1397
libvpx_encoder_deps="libvpx"
1398
libx264_encoder_deps="libx264"
1399
libxavs_encoder_deps="libxavs"
1400
libxvid_encoder_deps="libxvid"
1401

    
1402
# demuxers / muxers
1403
ac3_demuxer_select="ac3_parser"
1404
asf_stream_muxer_select="asf_muxer"
1405
avisynth_demuxer_deps="avisynth"
1406
dirac_demuxer_select="dirac_parser"
1407
eac3_demuxer_select="ac3_parser"
1408
flac_demuxer_select="flac_parser"
1409
ipod_muxer_select="mov_muxer"
1410
libnut_demuxer_deps="libnut"
1411
libnut_muxer_deps="libnut"
1412
matroska_audio_muxer_select="matroska_muxer"
1413
matroska_demuxer_suggest="zlib bzlib"
1414
mov_demuxer_suggest="zlib"
1415
mp3_demuxer_select="mpegaudio_parser"
1416
mp4_muxer_select="mov_muxer"
1417
mpegtsraw_demuxer_select="mpegts_demuxer"
1418
mxf_d10_muxer_select="mxf_muxer"
1419
ogg_demuxer_select="golomb"
1420
psp_muxer_select="mov_muxer"
1421
rtp_demuxer_select="sdp_demuxer"
1422
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1423
rtsp_demuxer_select="http_protocol rtpdec"
1424
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1425
sap_demuxer_select="sdp_demuxer"
1426
sap_muxer_select="rtp_muxer rtp_protocol"
1427
sdp_demuxer_select="rtpdec"
1428
spdif_muxer_select="aac_parser"
1429
tg2_muxer_select="mov_muxer"
1430
tgp_muxer_select="mov_muxer"
1431
w64_demuxer_deps="wav_demuxer"
1432

    
1433
# indevs / outdevs
1434
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1435
alsa_outdev_deps="alsa_asoundlib_h"
1436
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1437
dv1394_indev_deps="dv1394 dv_demuxer"
1438
fbdev_indev_deps="linux_fb_h"
1439
jack_indev_deps="jack_jack_h"
1440
libdc1394_indev_deps="libdc1394"
1441
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1442
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1443
sndio_indev_deps="sndio_h"
1444
sndio_outdev_deps="sndio_h"
1445
v4l_indev_deps="linux_videodev_h"
1446
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1447
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1448
vfwcap_indev_extralibs="-lavicap32"
1449
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1450
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1451

    
1452
# protocols
1453
gopher_protocol_deps="network"
1454
http_protocol_deps="network"
1455
http_protocol_select="tcp_protocol"
1456
mmsh_protocol_select="http_protocol"
1457
mmst_protocol_deps="network"
1458
rtmp_protocol_select="tcp_protocol"
1459
rtp_protocol_select="udp_protocol"
1460
tcp_protocol_deps="network"
1461
udp_protocol_deps="network"
1462

    
1463
# filters
1464
blackframe_filter_deps="gpl"
1465
cropdetect_filter_deps="gpl"
1466
drawtext_filter_deps="libfreetype"
1467
frei0r_filter_deps="frei0r dlopen strtok_r"
1468
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1469
hqdn3d_filter_deps="gpl"
1470
ocv_filter_deps="libopencv"
1471
scale_filter_deps="swscale"
1472
yadif_filter_deps="gpl"
1473

    
1474
# libraries
1475
avdevice_deps="avcodec avformat"
1476
avformat_deps="avcodec"
1477
postproc_deps="gpl"
1478

    
1479
# programs
1480
ffmpeg_deps="avcodec avformat swscale"
1481
ffmpeg_select="buffer_filter"
1482
ffplay_deps="avcodec avformat swscale sdl"
1483
ffplay_select="rdft"
1484
ffprobe_deps="avcodec avformat"
1485
ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1486
ffserver_extralibs='$ldl'
1487

    
1488
doc_deps="texi2html"
1489

    
1490
# tests
1491

    
1492
test_deps(){
1493
    suf1=$1
1494
    suf2=$2
1495
    shift 2
1496
    for v; do
1497
        dep=${v%=*}
1498
        tests=${v#*=}
1499
        for name in ${tests}; do
1500
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1501
        done
1502
    done
1503
}
1504

    
1505
set_ne_test_deps(){
1506
    eval ${1}_be_test_deps="bigendian"
1507
    eval ${1}_le_test_deps="!bigendian"
1508
}
1509

    
1510
test_deps _encoder _decoder                                             \
1511
    adpcm_g726=g726                                                     \
1512
    adpcm_ima_qt                                                        \
1513
    adpcm_ima_wav                                                       \
1514
    adpcm_ms                                                            \
1515
    adpcm_swf                                                           \
1516
    adpcm_yamaha=adpcm_yam                                              \
1517
    alac                                                                \
1518
    asv1                                                                \
1519
    asv2                                                                \
1520
    bmp                                                                 \
1521
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1522
    dvvideo="dv dv50"                                                   \
1523
    ffv1                                                                \
1524
    flac                                                                \
1525
    flashsv                                                             \
1526
    flv                                                                 \
1527
    gif                                                                 \
1528
    h261                                                                \
1529
    h263="h263 h263p"                                                   \
1530
    huffyuv                                                             \
1531
    jpegls                                                              \
1532
    mjpeg="jpg mjpeg ljpeg"                                             \
1533
    mp2                                                                 \
1534
    mpeg1video="mpeg mpeg1b"                                            \
1535
    mpeg2video="mpeg2 mpeg2thread"                                      \
1536
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1537
    msmpeg4v3=msmpeg4                                                   \
1538
    msmpeg4v2                                                           \
1539
    pbm=pbmpipe                                                         \
1540
    pcx                                                                 \
1541
    pgm="pgm pgmpipe"                                                   \
1542
    png                                                                 \
1543
    ppm="ppm ppmpipe"                                                   \
1544
    rawvideo="rgb yuv"                                                  \
1545
    roq                                                                 \
1546
    rv10                                                                \
1547
    rv20                                                                \
1548
    sgi                                                                 \
1549
    snow="snow snowll"                                                  \
1550
    svq1                                                                \
1551
    targa=tga                                                           \
1552
    tiff                                                                \
1553
    wmav1                                                               \
1554
    wmav2                                                               \
1555
    wmv1                                                                \
1556
    wmv2                                                                \
1557

    
1558
test_deps _muxer _demuxer                                               \
1559
    aiff                                                                \
1560
    pcm_alaw=alaw                                                       \
1561
    asf                                                                 \
1562
    au                                                                  \
1563
    avi                                                                 \
1564
    dv=dv_fmt                                                           \
1565
    ffm                                                                 \
1566
    flv=flv_fmt                                                         \
1567
    gxf                                                                 \
1568
    matroska=mkv                                                        \
1569
    mmf                                                                 \
1570
    mov                                                                 \
1571
    pcm_mulaw=mulaw                                                     \
1572
    mxf                                                                 \
1573
    nut                                                                 \
1574
    ogg                                                                 \
1575
    rawvideo=pixfmt                                                     \
1576
    rm                                                                  \
1577
    swf                                                                 \
1578
    mpegts=ts                                                           \
1579
    voc                                                                 \
1580
    wav                                                                 \
1581
    yuv4mpegpipe=yuv4mpeg                                               \
1582

    
1583
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1584
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1585

    
1586
set_ne_test_deps pixdesc
1587
set_ne_test_deps pixfmts_copy
1588
set_ne_test_deps pixfmts_crop
1589
set_ne_test_deps pixfmts_hflip
1590
set_ne_test_deps pixfmts_null
1591
set_ne_test_deps pixfmts_pad
1592
set_ne_test_deps pixfmts_scale
1593
set_ne_test_deps pixfmts_vflip
1594

    
1595
# default parameters
1596

    
1597
logfile="config.log"
1598

    
1599
# installation paths
1600
prefix_default="/usr/local"
1601
bindir_default='${prefix}/bin'
1602
datadir_default='${prefix}/share/ffmpeg'
1603
incdir_default='${prefix}/include'
1604
libdir_default='${prefix}/lib'
1605
mandir_default='${prefix}/share/man'
1606
shlibdir_default="$libdir_default"
1607

    
1608
# toolchain
1609
ar_default="ar"
1610
cc_default="gcc"
1611
cc_version=\"unknown\"
1612
host_cc_default="gcc"
1613
ln_s="ln -sf"
1614
nm_default="nm"
1615
objformat="elf"
1616
pkg_config_default=pkg-config
1617
ranlib="ranlib"
1618
yasmexe="yasm"
1619
nogas=":"
1620

    
1621
nm_opts='-g'
1622

    
1623
# machine
1624
arch_default=$(uname -m)
1625
cpu="generic"
1626

    
1627
# OS
1628
target_os_default=$(tolower $(uname -s))
1629
host_os=$target_os_default
1630

    
1631
# configurable options
1632
enable avcodec
1633
enable avdevice
1634
enable avfilter
1635
enable avformat
1636
enable avutil
1637
enable asm
1638
enable debug
1639
enable doc
1640
enable fastdiv
1641
enable ffmpeg
1642
enable ffplay
1643
enable ffprobe
1644
enable ffserver
1645
enable network
1646
enable optimizations
1647
enable postproc
1648
enable protocols
1649
enable static
1650
enable swscale
1651
enable swscale_alpha
1652

    
1653
# build settings
1654
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1655
FFSERVERLDFLAGS=-Wl,-E
1656
LIBPREF="lib"
1657
LIBSUF=".a"
1658
FULLNAME='$(NAME)$(BUILDSUF)'
1659
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1660
SLIBPREF="lib"
1661
SLIBSUF=".so"
1662
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1663
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1664
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1665
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1666

    
1667
CC_O='-o $@'
1668

    
1669
host_cflags='-D_ISOC99_SOURCE -O3 -g -Wall'
1670
host_libs='-lm'
1671

    
1672
target_path='$(CURDIR)'
1673

    
1674
# since the object filename is not given with the -MM flag, the compiler
1675
# is only able to print the basename, and we must add the path ourselves
1676
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1677
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1678

    
1679
# find source path
1680
source_path="$(dirname "$0")"
1681
enable source_path_used
1682
if test -f configure; then
1683
    source_path="$(pwd)"
1684
    disable source_path_used
1685
else
1686
    source_path="$(cd "$source_path"; pwd)"
1687
    echo "$source_path" | grep -q '[[:blank:]]' &&
1688
        die "Out of tree builds are impossible with whitespace in source path."
1689
    test -e "$source_path/config.h" &&
1690
        die "Out of tree builds are impossible with config.h in source dir."
1691
fi
1692

    
1693
for v in "$@"; do
1694
    r=${v#*=}
1695
    l=${v%"$r"}
1696
    r=$(sh_quote "$r")
1697
    LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1698
done
1699

    
1700
find_things(){
1701
    thing=$1
1702
    pattern=$2
1703
    file=$source_path/$3
1704
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1705
}
1706

    
1707
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1708
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1709
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1710
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1711
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1712
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1713
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1714
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1715
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1716
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1717
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1718

    
1719
find_tests(){
1720
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1721
}
1722

    
1723
ACODEC_TESTS=$(find_tests acodec)
1724
VCODEC_TESTS=$(find_tests vsynth1)
1725
LAVF_TESTS=$(find_tests lavf)
1726
LAVFI_TESTS=$(find_tests lavfi)
1727
SEEK_TESTS=$(find_tests seek seek_)
1728

    
1729
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1730

    
1731
for n in $COMPONENT_LIST; do
1732
    v=$(toupper ${n%s})_LIST
1733
    eval enable \$$v
1734
    eval ${n}_if_any="\$$v"
1735
done
1736

    
1737
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1738

    
1739
die_unknown(){
1740
    echo "Unknown option \"$1\"."
1741
    echo "See $0 --help for available options."
1742
    exit 1
1743
}
1744

    
1745
show_list() {
1746
    suffix=_$1
1747
    shift
1748
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1749
    exit 0
1750
}
1751

    
1752
for opt do
1753
    optval="${opt#*=}"
1754
    case "$opt" in
1755
    --extra-ldflags=*) add_ldflags $optval
1756
    ;;
1757
    --extra-libs=*) add_extralibs $optval
1758
    ;;
1759
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1760
    ;;
1761
    --enable-debug=*) debuglevel="$optval"
1762
    ;;
1763
    --disable-everything)
1764
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1765
    ;;
1766
    --enable-*=*|--disable-*=*)
1767
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1768
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1769
    eval list=\$$(toupper $thing)_LIST
1770
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1771
    $action $(filter "$name" $list)
1772
    ;;
1773
    --enable-?*|--disable-?*)
1774
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1775
    if is_in $option $COMPONENT_LIST; then
1776
        test $action = disable && action=unset
1777
        eval $action \$$(toupper ${option%s})_LIST
1778
    elif is_in $option $CMDLINE_SELECT; then
1779
        $action $option
1780
    else
1781
        die_unknown $opt
1782
    fi
1783
    ;;
1784
    --list-*)
1785
        NAME="${opt#--list-}"
1786
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1787
        NAME=${NAME%s}
1788
        eval show_list $NAME \$$(toupper $NAME)_LIST
1789
    ;;
1790
    --help|-h) show_help
1791
    ;;
1792
    *)
1793
    optname="${opt%%=*}"
1794
    optname="${optname#--}"
1795
    optname=$(echo "$optname" | sed 's/-/_/g')
1796
    if is_in $optname $CMDLINE_SET; then
1797
        eval $optname='$optval'
1798
    elif is_in $optname $CMDLINE_APPEND; then
1799
        append $optname "$optval"
1800
    else
1801
         die_unknown $opt
1802
    fi
1803
    ;;
1804
    esac
1805
done
1806

    
1807
disabled logging && logfile=/dev/null
1808

    
1809
echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1810
set >> $logfile
1811

    
1812
test -n "$cross_prefix" && enable cross_compile
1813

    
1814
if enabled cross_compile; then
1815
    test -n "$arch" && test -n "$target_os" ||
1816
        die "Must specify target arch and OS when cross-compiling"
1817
fi
1818

    
1819
set_default arch target_os
1820

    
1821
ar_default="${cross_prefix}${ar_default}"
1822
cc_default="${cross_prefix}${cc_default}"
1823
nm_default="${cross_prefix}${nm_default}"
1824
pkg_config_default="${cross_prefix}${pkg_config_default}"
1825
ranlib="${cross_prefix}${ranlib}"
1826

    
1827
sysinclude_default="${sysroot}/usr/include"
1828

    
1829
set_default cc nm pkg_config sysinclude
1830
enabled cross_compile || host_cc_default=$cc
1831
set_default host_cc
1832

    
1833
if ! $pkg_config --version >/dev/null 2>&1; then
1834
    warn "$pkg_config not found, library detection may fail."
1835
    pkg_config=false
1836
fi
1837

    
1838
exesuf() {
1839
    case $1 in
1840
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1841
    esac
1842
}
1843

    
1844
EXESUF=$(exesuf $target_os)
1845
HOSTEXESUF=$(exesuf $host_os)
1846

    
1847
# set temporary file name
1848
: ${TMPDIR:=$TEMPDIR}
1849
: ${TMPDIR:=$TMP}
1850
: ${TMPDIR:=/tmp}
1851

    
1852
if ! check_cmd mktemp -u XXXXXX; then
1853
    # simple replacement for missing mktemp
1854
    # NOT SAFE FOR GENERAL USE
1855
    mktemp(){
1856
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1857
    }
1858
fi
1859

    
1860
tmpfile(){
1861
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1862
        (set -C; exec > $tmp) 2>/dev/null ||
1863
        die "Unable to create temporary file in $TMPDIR."
1864
    append TMPFILES $tmp
1865
    eval $1=$tmp
1866
}
1867

    
1868
trap 'rm -f -- $TMPFILES' EXIT
1869

    
1870
tmpfile TMPC  .c
1871
tmpfile TMPE  $EXESUF
1872
tmpfile TMPH  .h
1873
tmpfile TMPO  .o
1874
tmpfile TMPS  .S
1875
tmpfile TMPV  .ver
1876
tmpfile TMPSH .sh
1877
tmpfile TMPASM .asm
1878

    
1879
unset -f mktemp
1880

    
1881
chmod +x $TMPE
1882

    
1883
# make sure we can execute files in $TMPDIR
1884
cat > $TMPSH 2>> $logfile <<EOF
1885
#! /bin/sh
1886
EOF
1887
chmod +x $TMPSH >> $logfile 2>&1
1888
if ! $TMPSH >> $logfile 2>&1; then
1889
    cat <<EOF
1890
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1891
variable to another directory and make sure that it is not mounted noexec.
1892
EOF
1893
    die "Sanity test failed."
1894
fi
1895

    
1896
filter_cflags=echo
1897
filter_cppflags=echo
1898
filter_asflags=echo
1899

    
1900
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1901
    cc_type=llvm_gcc
1902
    cc_version=__VERSION__
1903
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1904
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1905
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1906
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1907
    speed_cflags='-O3'
1908
    size_cflags='-Os'
1909
elif $cc -v 2>&1 | grep -qi ^gcc; then
1910
    cc_type=gcc
1911
    cc_version=__VERSION__
1912
    gcc_version=$($cc --version | head -n1)
1913
    gcc_basever=$($cc -dumpversion)
1914
    gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1915
    gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1916
    cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1917
    if ! $cc -dumpversion | grep -q '^2\.'; then
1918
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1919
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1920
    fi
1921
    speed_cflags='-O3'
1922
    size_cflags='-Os'
1923
elif $cc --version 2>/dev/null | grep -q Intel; then
1924
    cc_type=icc
1925
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1926
    cc_ident=$($cc --version | head -n1)
1927
    icc_version=$($cc -dumpversion)
1928
    CC_DEPFLAGS='-MMD'
1929
    AS_DEPFLAGS='-MMD'
1930
    speed_cflags='-O3'
1931
    size_cflags='-Os'
1932
    noopt_cflags='-O1'
1933
elif $cc -v 2>&1 | grep -q xlc; then
1934
    cc_type=xlc
1935
    cc_version="AV_STRINGIFY(__IBMC__)"
1936
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1937
    speed_cflags='-O5'
1938
    size_cflags='-O5 -qcompact'
1939
elif $cc -V 2>/dev/null | grep -q Compaq; then
1940
    cc_type=ccc
1941
    cc_version="AV_STRINGIFY(__DECC_VER)"
1942
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1943
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1944
    debuglevel=3
1945
    add_ldflags -Wl,-z,now # calls to libots crash without this
1946
    speed_cflags='-fast'
1947
    size_cflags='-O1'
1948
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1949
    test -d "$sysroot" || die "No valid sysroot specified."
1950
    cc_type=armcc
1951
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1952
    cc_ident=$($cc --vsn | head -n1)
1953
    armcc_conf="$PWD/armcc.conf"
1954
    $cc --arm_linux_configure                 \
1955
        --arm_linux_config_file="$armcc_conf" \
1956
        --configure_sysroot="$sysroot"        \
1957
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1958
        die "Error creating armcc configuration file."
1959
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1960
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1961
    as_default="${cross_prefix}gcc"
1962
    CC_DEPFLAGS='-MMD'
1963
    AS_DEPFLAGS='-MMD'
1964
    speed_cflags='-O3'
1965
    size_cflags='-Os'
1966
    filter_asflags="filter_out -W${armcc_opt}*"
1967
elif $cc -version 2>/dev/null | grep -q TMS470; then
1968
    cc_type=tms470
1969
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1970
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1971
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1972
    CC_O='-fr=$(@D)'
1973
    as_default="${cross_prefix}gcc"
1974
    ld_default="${cross_prefix}gcc"
1975
    TMPO=$(basename $TMPC .c).o
1976
    append TMPFILES $TMPO
1977
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1978
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1979
    AS_DEPFLAGS='-MMD'
1980
    speed_cflags='-O3 -mf=5'
1981
    size_cflags='-O3 -mf=2'
1982
    filter_cflags=tms470_flags
1983
    tms470_flags(){
1984
        for flag; do
1985
            case $flag in
1986
                -march=*|-mcpu=*)
1987
                    case "${flag#*=}" in
1988
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1989
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1990
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1991
                        armv6*|arm11*)          echo -mv=6   ;;
1992
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1993
                                                echo -mv=5e  ;;
1994
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1995
                    esac
1996
                    ;;
1997
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1998
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1999
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2000
                -msoft-float)   echo --float_support=vfplib       ;;
2001
                -O[0-3]|-mf=*)  echo $flag                        ;;
2002
                -g)             echo -g -mn                       ;;
2003
                -pds=*)         echo $flag                        ;;
2004
            esac
2005
        done
2006
    }
2007
elif $cc -v 2>&1 | grep -q clang; then
2008
    cc_type=clang
2009
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
2010
        cc_version=__clang_version__ || cc_version=__VERSION__
2011
    cc_ident=$($cc --version | head -n1)
2012
    CC_DEPFLAGS='-MMD'
2013
    AS_DEPFLAGS='-MMD'
2014
    speed_cflags='-O3'
2015
    size_cflags='-Os'
2016
elif $cc -V 2>&1 | grep -q Sun; then
2017
    cc_type=suncc
2018
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
2019
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2020
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2021
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2022
    speed_cflags='-O5'
2023
    size_cflags='-O5 -xspace'
2024
    filter_cflags=suncc_flags
2025
    suncc_flags(){
2026
        for flag; do
2027
            case $flag in
2028
                -march=*|-mcpu=*)
2029
                    case "${flag#*=}" in
2030
                        native)                   echo -xtarget=native       ;;
2031
                        v9|niagara)               echo -xarch=sparc          ;;
2032
                        ultrasparc)               echo -xarch=sparcvis       ;;
2033
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2034
                        i586|pentium)             echo -xchip=pentium        ;;
2035
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2036
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2037
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2038
                        pentium4*)          echo -xtarget=pentium4           ;;
2039
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2040
                        *-sse3)             echo -xarch=sse3                 ;;
2041
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
2042
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2043
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2044
                        k8|opteron|athlon64|athlon-fx)
2045
                                                  echo -xarch=sse2a          ;;
2046
                        athlon*)                  echo -xarch=pentium_proa   ;;
2047
                    esac
2048
                    ;;
2049
                -std=c99)             echo -xc99              ;;
2050
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
2051
                -fPIC)                echo -KPIC -xcode=pic32 ;;
2052
                -W*,*)                echo $flag              ;;
2053
                -f*-*|-W*)                                    ;;
2054
                *)                    echo $flag              ;;
2055
            esac
2056
        done
2057
    }
2058
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2059
    cc_type=pathscale
2060
    cc_version=__PATHSCALE__
2061
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2062
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2063
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2064
    speed_cflags='-O2'
2065
    size_cflags='-Os'
2066
elif $cc -v 2>&1 | grep -q Open64; then
2067
    cc_type=open64
2068
    cc_version=__OPEN64__
2069
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2070
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2071
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2072
    speed_cflags='-O2'
2073
    size_cflags='-Os'
2074
fi
2075

    
2076
test -n "$cc_type" && enable $cc_type ||
2077
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2078

    
2079
: ${as_default:=$cc}
2080
: ${dep_cc_default:=$cc}
2081
: ${ld_default:=$cc}
2082
set_default ar as dep_cc ld
2083

    
2084
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2085
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2086

    
2087
add_cflags $extra_cflags
2088
add_asflags $extra_cflags
2089

    
2090
if test -n "$sysroot"; then
2091
    case "$cc_type" in
2092
        gcc|llvm_gcc|clang)
2093
            add_cppflags --sysroot="$sysroot"
2094
            add_ldflags --sysroot="$sysroot"
2095
        ;;
2096
        tms470)
2097
            add_cppflags -I"$sysinclude"
2098
            add_ldflags  --sysroot="$sysroot"
2099
        ;;
2100
    esac
2101
fi
2102

    
2103
if test "$cpu" = host; then
2104
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2105

    
2106
    case "$cc_type" in
2107
        gcc|llvm_gcc)
2108
            check_native(){
2109
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2110
                sed -n "/$1=/{
2111
                            s/.*$1=\\([^ ]*\\).*/\\1/
2112
                            p
2113
                            q
2114
                        }" $TMPE
2115
            }
2116
            cpu=$(check_native -march || check_native -mcpu)
2117
        ;;
2118
    esac
2119

    
2120
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2121
fi
2122

    
2123
# Deal with common $arch aliases
2124
case "$arch" in
2125
    arm*)
2126
        arch="arm"
2127
    ;;
2128
    mips|mipsel|IP*)
2129
        arch="mips"
2130
    ;;
2131
    mips64*)
2132
        arch="mips"
2133
        subarch="mips64"
2134
    ;;
2135
    parisc|hppa)
2136
        arch="parisc"
2137
    ;;
2138
    parisc64|hppa64)
2139
        arch="parisc"
2140
        subarch="parisc64"
2141
    ;;
2142
    "Power Macintosh"|ppc|powerpc)
2143
        arch="ppc"
2144
    ;;
2145
    ppc64|powerpc64)
2146
        arch="ppc"
2147
        subarch="ppc64"
2148
    ;;
2149
    s390|s390x)
2150
        arch="s390"
2151
    ;;
2152
    sh4|sh)
2153
        arch="sh4"
2154
    ;;
2155
    sun4u|sparc64)
2156
        arch="sparc"
2157
        subarch="sparc64"
2158
    ;;
2159
    i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2160
        arch="x86"
2161
    ;;
2162
esac
2163

    
2164
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2165
enable $arch
2166

    
2167
# Add processor-specific flags
2168
if test "$cpu" = generic; then
2169
    : do nothing
2170
elif enabled ppc; then
2171

    
2172
    case $(tolower $cpu) in
2173
        601|ppc601|powerpc601)
2174
            cpuflags="-mcpu=601"
2175
            disable altivec
2176
        ;;
2177
        603*|ppc603*|powerpc603*)
2178
            cpuflags="-mcpu=603"
2179
            disable altivec
2180
        ;;
2181
        604*|ppc604*|powerpc604*)
2182
            cpuflags="-mcpu=604"
2183
            disable altivec
2184
        ;;
2185
        g3|75*|ppc75*|powerpc75*)
2186
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2187
            disable altivec
2188
        ;;
2189
        g4|745*|ppc745*|powerpc745*)
2190
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2191
        ;;
2192
        74*|ppc74*|powerpc74*)
2193
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2194
        ;;
2195
        g5|970|ppc970|powerpc970|power4*)
2196
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2197
        ;;
2198
        cell)
2199
            cpuflags="-mcpu=cell"
2200
            enable ldbrx
2201
        ;;
2202
        e500v2)
2203
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2204
            disable altivec
2205
        ;;
2206
        e500)
2207
            cpuflags="-mcpu=8540 -mhard-float"
2208
            disable altivec
2209
        ;;
2210
    esac
2211

    
2212
elif enabled x86; then
2213

    
2214
    case $cpu in
2215
        i[345]86|pentium)
2216
            cpuflags="-march=$cpu"
2217
            disable mmx
2218
        ;;
2219
        # targets that do NOT support conditional mov (cmov)
2220
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2221
            cpuflags="-march=$cpu"
2222
            disable cmov
2223
        ;;
2224
        # targets that do support conditional mov (cmov)
2225
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2226
            cpuflags="-march=$cpu"
2227
            enable cmov
2228
            enable fast_cmov
2229
        ;;
2230
        # targets that do support conditional mov but on which it's slow
2231
        pentium4|pentium4m|prescott|nocona)
2232
            cpuflags="-march=$cpu"
2233
            enable cmov
2234
            disable fast_cmov
2235
        ;;
2236
    esac
2237

    
2238
elif enabled sparc; then
2239

    
2240
    case $cpu in
2241
        niagara)
2242
            cpuflags="-mcpu=$cpu"
2243
            disable vis
2244
        ;;
2245
        sparc64)
2246
            cpuflags="-mcpu=v9"
2247
        ;;
2248
    esac
2249

    
2250
elif enabled arm; then
2251

    
2252
    case $cpu in
2253
        armv*)
2254
            cpuflags="-march=$cpu"
2255
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2256
        ;;
2257
        *)
2258
            cpuflags="-mcpu=$cpu"
2259
            case $cpu in
2260
                cortex-a*)                               subarch=armv7a  ;;
2261
                cortex-r*)                               subarch=armv7r  ;;
2262
                cortex-m*)                               subarch=armv7m  ;;
2263
                arm11*)                                  subarch=armv6   ;;
2264
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2265
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2266
            esac
2267
        ;;
2268
    esac
2269

    
2270
elif enabled alpha; then
2271

    
2272
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2273

    
2274
elif enabled bfin; then
2275

    
2276
    cpuflags="-mcpu=$cpu"
2277

    
2278
elif enabled mips; then
2279

    
2280
    cpuflags="-march=$cpu"
2281

    
2282
elif enabled avr32; then
2283

    
2284
    case $cpu in
2285
        ap7[02]0[0-2])
2286
            subarch="avr32_ap"
2287
            cpuflags="-mpart=$cpu"
2288
        ;;
2289
        ap)
2290
            subarch="avr32_ap"
2291
            cpuflags="-march=$cpu"
2292
        ;;
2293
        uc3[ab]*)
2294
            subarch="avr32_uc"
2295
            cpuflags="-mcpu=$cpu"
2296
        ;;
2297
        uc)
2298
            subarch="avr32_uc"
2299
            cpuflags="-march=$cpu"
2300
        ;;
2301
    esac
2302

    
2303
fi
2304

    
2305
add_cflags $cpuflags
2306
add_asflags $cpuflags
2307

    
2308
# compiler sanity check
2309
check_exec <<EOF
2310
int main(void){ return 0; }
2311
EOF
2312
if test "$?" != 0; then
2313
    echo "$cc is unable to create an executable file."
2314
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2315
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2316
        echo "Only do this if you know what cross compiling means."
2317
    fi
2318
    die "C compiler test failed."
2319
fi
2320

    
2321
add_cppflags -D_ISOC99_SOURCE
2322
check_cflags -std=c99
2323
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2324
#include <stdlib.h>
2325
EOF
2326
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2327
#include <stdlib.h>
2328
EOF
2329

    
2330
check_host_cflags -std=c99
2331

    
2332
case "$arch" in
2333
    alpha|ia64|mips|parisc|sparc)
2334
        spic=$shared
2335
    ;;
2336
    x86)
2337
        subarch="x86_32"
2338
        check_cc <<EOF && subarch="x86_64"
2339
        int test[(int)sizeof(char*) - 7];
2340
EOF
2341
        if test "$subarch" = "x86_64"; then
2342
            spic=$shared
2343
        fi
2344
    ;;
2345
esac
2346

    
2347
enable $subarch
2348
enabled spic && enable pic
2349

    
2350
# OS specific
2351
case $target_os in
2352
    haiku)
2353
        prefix_default="/boot/common"
2354
        network_extralibs="-lnetwork"
2355
        host_libs=
2356
        ;;
2357
    sunos)
2358
        FFSERVERLDFLAGS=""
2359
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2360
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2361
        network_extralibs="-lsocket -lnsl"
2362
        add_cppflags -D__EXTENSIONS__
2363
        nm_opts='-P -g'
2364
        ;;
2365
    netbsd)
2366
        disable symver
2367
        oss_indev_extralibs="-lossaudio"
2368
        oss_outdev_extralibs="-lossaudio"
2369
        ;;
2370
    openbsd)
2371
        enable malloc_aligned
2372
        # On OpenBSD 4.5. the compiler does not use PIC unless
2373
        # explicitly using -fPIC. Libav builds fine without PIC,
2374
        # however the generated executable will not do anything
2375
        # (simply quits with exit-code 1, no crash, no output).
2376
        # Thus explicitly enable PIC here.
2377
        enable pic
2378
        disable symver
2379
        SHFLAGS='-shared'
2380
        oss_indev_extralibs="-lossaudio"
2381
        oss_outdev_extralibs="-lossaudio"
2382
        ;;
2383
    dragonfly)
2384
        enable malloc_aligned
2385
        disable symver
2386
        ;;
2387
    freebsd)
2388
        enable malloc_aligned
2389
        ;;
2390
    bsd/os)
2391
        add_extralibs -lpoll -lgnugetopt
2392
        ;;
2393
    darwin)
2394
        enable malloc_aligned
2395
        gas="gas-preprocessor.pl $cc"
2396
        enabled ppc && add_asflags -force_cpusubtype_ALL
2397
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2398
        enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2399
        add_ldflags -Wl,-dynamic,-search_paths_first
2400
        SLIBSUF=".dylib"
2401
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2402
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2403
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2404
        objformat="macho"
2405
        enabled x86_64 && objformat="macho64"
2406
        enabled_any pic shared ||
2407
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2408
        ;;
2409
    mingw32*)
2410
        if test $target_os = "mingw32ce"; then
2411
            disable network
2412
        else
2413
            target_os=mingw32
2414
        fi
2415
        LIBTARGET=i386
2416
        if enabled x86_64; then
2417
            enable malloc_aligned
2418
            LIBTARGET="i386:x86-64"
2419
        elif enabled arm; then
2420
            LIBTARGET=arm-wince
2421
        fi
2422
        shlibdir_default="$bindir_default"
2423
        SLIBPREF=""
2424
        SLIBSUF=".dll"
2425
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2426
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2427
        SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2428
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2429
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2430
            install -d "$(LIBDIR)"; \
2431
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2432
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2433
        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'
2434
        objformat="win32"
2435
        dlltool="${cross_prefix}dlltool"
2436
        enable dos_paths
2437
        check_cflags -fno-common
2438
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2439
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2440
                die "ERROR: MinGW runtime version must be >= 3.15."
2441
        add_cppflags -U__STRICT_ANSI__
2442
        ;;
2443
    cygwin*)
2444
        target_os=cygwin
2445
        shlibdir_default="$bindir_default"
2446
        SLIBPREF="cyg"
2447
        SLIBSUF=".dll"
2448
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2449
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2450
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2451
        objformat="win32"
2452
        enable dos_paths
2453
        check_cflags -fno-common
2454
        ;;
2455
    *-dos|freedos|opendos)
2456
        network_extralibs="-lsocket"
2457
        objformat="coff"
2458
        enable dos_paths
2459
        ;;
2460
    linux)
2461
        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2462
        enable dv1394
2463
        ;;
2464
    irix*)
2465
        target_os=irix
2466
        ranlib="echo ignoring ranlib"
2467
        ;;
2468
    os/2*)
2469
        ln_s="cp -f"
2470
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2471
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2472
        FFSERVERLDFLAGS=""
2473
        LIBSUF="_s.a"
2474
        SLIBPREF=""
2475
        SLIBSUF=".dll"
2476
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2477
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2478
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2479
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2480
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2481
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2482
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2483
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2484
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2485
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2486
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2487
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2488
        enable dos_paths
2489
        ;;
2490
    gnu/kfreebsd)
2491
        ;;
2492
    gnu)
2493
        ;;
2494
    qnx)
2495
        add_cppflags -D_QNX_SOURCE
2496
        network_extralibs="-lsocket"
2497
        ;;
2498
    symbian)
2499
        SLIBSUF=".dll"
2500
        enable dos_paths
2501
        add_cflags --include=$sysinclude/gcce/gcce.h
2502
        ;;
2503
    none)
2504
        ;;
2505
    *)
2506
        die "Unknown OS '$target_os'."
2507
        ;;
2508
esac
2509

    
2510
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2511

    
2512
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2513

    
2514
set_default $PATHS_LIST
2515

    
2516
# we need to build at least one lib type
2517
if ! enabled_any static shared; then
2518
    cat <<EOF
2519
At least one library type must be built.
2520
Specify --enable-static to build the static libraries or --enable-shared to
2521
build the shared libraries as well. To only build the shared libraries specify
2522
--disable-static in addition to --enable-shared.
2523
EOF
2524
    exit 1;
2525
fi
2526

    
2527
disabled static && LIBNAME=""
2528

    
2529
die_license_disabled() {
2530
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2531
}
2532

    
2533
die_license_disabled gpl libx264
2534
die_license_disabled gpl libxavs
2535
die_license_disabled gpl libxvid
2536
die_license_disabled gpl x11grab
2537

    
2538
die_license_disabled nonfree libfaac
2539

    
2540
die_license_disabled version3 libopencore_amrnb
2541
die_license_disabled version3 libopencore_amrwb
2542
die_license_disabled version3 libvo_aacenc
2543
die_license_disabled version3 libvo_amrwbenc
2544

    
2545
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2546

    
2547
disabled optimizations || check_cflags -fomit-frame-pointer
2548

    
2549
enable_pic() {
2550
    enable pic
2551
    add_cppflags -DPIC
2552
    add_cflags   -fPIC
2553
    add_asflags  -fPIC
2554
}
2555

    
2556
enabled pic && enable_pic
2557

    
2558
check_cc <<EOF || die "Symbol mangling check failed."
2559
int ff_extern;
2560
EOF
2561
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2562
extern_prefix=${sym%%ff_extern*}
2563

    
2564
check_cc <<EOF && enable inline_asm
2565
void foo(void) { __asm__ volatile ("" ::); }
2566
EOF
2567

    
2568
_restrict=
2569
for restrict_keyword in restrict __restrict__ __restrict; do
2570
    check_cc <<EOF && _restrict=$restrict_keyword && break
2571
void foo(char * $restrict_keyword p);
2572
EOF
2573
done
2574

    
2575
check_cc <<EOF && enable attribute_packed
2576
struct { int x; } __attribute__((packed)) x;
2577
EOF
2578

    
2579
check_cc <<EOF && enable attribute_may_alias
2580
union { int x; } __attribute__((may_alias)) x;
2581
EOF
2582

    
2583
check_cc <<EOF || die "endian test failed"
2584
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2585
EOF
2586
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2587

    
2588
if enabled alpha; then
2589

    
2590
    check_cflags -mieee
2591

    
2592
elif enabled arm; then
2593

    
2594
    check_cflags -marm
2595
    nogas=die
2596

    
2597
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2598
        enable vfp_args
2599
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2600
        case "${cross_prefix:-$cc}" in
2601
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2602
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2603
__asm__ (".eabi_attribute 28, 1");
2604
int main(void) { return 0; }
2605
EOF
2606
        esac
2607
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2608
    fi
2609

    
2610
    # We have to check if pld is a nop and disable it.
2611
    check_asm pld '"pld [r0]"'
2612

    
2613
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2614
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2615
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2616
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2617
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2618
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2619

    
2620
    enabled_all armv6t2 shared !pic && enable_pic
2621

    
2622
elif enabled mips; then
2623

    
2624
    check_asm loongson '"dmult.g $1, $2, $3"'
2625
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2626

    
2627
elif enabled ppc; then
2628

    
2629
    enable local_aligned_8 local_aligned_16
2630

    
2631
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2632
    check_asm ibm_asm   '"add 0, 0, 0"'
2633
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2634
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2635

    
2636
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2637
    if enabled altivec; then
2638
        nogas=warn
2639
        check_cflags -maltivec -mabi=altivec &&
2640
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2641
        check_cflags -faltivec
2642

    
2643
        # check if our compiler supports Motorola AltiVec C API
2644
        check_cc <<EOF || disable altivec
2645
$inc_altivec_h
2646
int main(void) {
2647
    vector signed int v1, v2, v3;
2648
    v1 = vec_add(v2,v3);
2649
    return 0;
2650
}
2651
EOF
2652

    
2653
        # check if our compiler supports braces for vector declarations
2654
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2655
$inc_altivec_h
2656
int main (void) { (vector int) {1}; return 0; }
2657
EOF
2658
    fi
2659

    
2660
elif enabled sparc; then
2661

    
2662
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2663
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2664

    
2665
elif enabled x86; then
2666

    
2667
    enable local_aligned_8 local_aligned_16
2668

    
2669
    # check whether EBP is available on x86
2670
    # As 'i' is stored on the stack, this program will crash
2671
    # if the base pointer is used to access it because the
2672
    # base pointer is cleared in the inline assembly code.
2673
    check_exec_crash <<EOF && enable ebp_available
2674
    volatile int i=0;
2675
    __asm__ volatile (
2676
        "xorl %%ebp, %%ebp"
2677
    ::: "%ebp");
2678
    return i;
2679
EOF
2680

    
2681
    # check whether EBX is available on x86
2682
    check_asm ebx_available '""::"b"(0)' &&
2683
        check_asm ebx_available '"":::"%ebx"'
2684

    
2685
    # check whether xmm clobbers are supported
2686
    check_asm xmm_clobbers '"":::"%xmm0"'
2687

    
2688
    # check whether more than 10 operands are supported
2689
    check_cc <<EOF && enable ten_operands
2690
int main(void) {
2691
    int x=0;
2692
    __asm__ volatile(
2693
        ""
2694
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2695
    );
2696
    return 0;
2697
}
2698
EOF
2699

    
2700
    # check whether binutils is new enough to compile SSSE3/MMX2
2701
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2702
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2703

    
2704
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2705

    
2706
    if ! disabled_any asm mmx yasm; then
2707
        if check_cmd $yasmexe --version; then
2708
            enabled x86_64 && yasm_extra="-m amd64"
2709
            yasm_debug="-g dwarf2"
2710
        elif check_cmd nasm -v; then
2711
            yasmexe=nasm
2712
            yasm_debug="-g -F dwarf"
2713
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2714
        fi
2715

    
2716
        YASMFLAGS="-f $objformat $yasm_extra"
2717
        enabled pic               && append YASMFLAGS "-DPIC"
2718
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2719
        case "$objformat" in
2720
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2721
        esac
2722

    
2723
        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2724
            die "yasm not found, use --disable-yasm for a crippled build"
2725
        check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2726
    fi
2727

    
2728
    case "$cpu" in
2729
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2730
            disable fast_clz
2731
        ;;
2732
    esac
2733

    
2734
fi
2735

    
2736
if enabled asm; then
2737
    as=${gas:=$as}
2738
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2739
        $nogas "GNU assembler not found, install gas-preprocessor"
2740
fi
2741

    
2742
check_ldflags -Wl,--as-needed
2743

    
2744
if check_func dlopen; then
2745
    ldl=
2746
elif check_func dlopen -ldl; then
2747
    ldl=-ldl
2748
fi
2749

    
2750
if enabled network; then
2751
    check_type "sys/types.h sys/socket.h" socklen_t
2752
    check_type netdb.h "struct addrinfo"
2753
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2754
    check_type netinet/in.h "struct sockaddr_in6"
2755
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2756
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2757
    # Prefer arpa/inet.h over winsock2
2758
    if check_header arpa/inet.h ; then
2759
        check_func closesocket
2760
    elif check_header winsock2.h ; then
2761
        check_func_headers winsock2.h closesocket -lws2 && \
2762
            network_extralibs="-lws2" || \
2763
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2764
            network_extralibs="-lws2_32"; }
2765
        check_type ws2tcpip.h socklen_t
2766
        check_type ws2tcpip.h "struct addrinfo"
2767
        check_type ws2tcpip.h "struct ipv6_mreq"
2768
        check_type ws2tcpip.h "struct sockaddr_in6"
2769
        check_type ws2tcpip.h "struct sockaddr_storage"
2770
        check_struct winsock2.h "struct sockaddr" sa_len
2771
    else
2772
        disable network
2773
    fi
2774
fi
2775

    
2776
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2777
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2778

    
2779
check_func  fcntl
2780
check_func  fork
2781
check_func  getaddrinfo $network_extralibs
2782
check_func  gethrtime
2783
check_func  getrusage
2784
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2785
check_func  inet_aton $network_extralibs
2786
check_func  isatty
2787
check_func  localtime_r
2788
check_func  ${malloc_prefix}memalign            && enable memalign
2789
check_func  mkstemp
2790
check_func  mmap
2791
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2792
check_func  setrlimit
2793
check_func  strerror_r
2794
check_func  strtok_r
2795
check_func_headers conio.h kbhit
2796
check_func_headers io.h setmode
2797
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2798
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2799
check_func_headers windows.h GetProcessTimes
2800
check_func_headers windows.h MapViewOfFile
2801
check_func_headers windows.h VirtualAlloc
2802

    
2803
check_header dlfcn.h
2804
check_header dxva2api.h
2805
check_header malloc.h
2806
check_header poll.h
2807
check_header sys/mman.h
2808
check_header sys/resource.h
2809
check_header sys/select.h
2810
check_header vdpau/vdpau.h
2811
check_header vdpau/vdpau_x11.h
2812
check_header X11/extensions/XvMClib.h
2813

    
2814
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2815

    
2816
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2817
     enabled_any $need_memalign ; then
2818
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2819
fi
2820

    
2821
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2822
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2823

    
2824
# check for some common methods of building with pthread support
2825
# do this before the optional library checks as some of them require pthreads
2826
if ! disabled pthreads && ! enabled w32threads; then
2827
    enable pthreads
2828
    if check_func pthread_create; then
2829
        :
2830
    elif check_func pthread_create -pthread; then
2831
        add_cflags -pthread
2832
        add_extralibs -pthread
2833
    elif check_func pthread_create -pthreads; then
2834
        add_cflags -pthreads
2835
        add_extralibs -pthreads
2836
    elif check_func pthread_create -lpthreadGC2; then
2837
        add_extralibs -lpthreadGC2
2838
    elif ! check_lib pthread.h pthread_create -lpthread; then
2839
        disable pthreads
2840
    fi
2841
fi
2842

    
2843
for thread in $THREADS_LIST; do
2844
    if enabled $thread; then
2845
        test -n "$thread_type" &&
2846
            die "ERROR: Only one thread type must be selected." ||
2847
            thread_type="$thread"
2848
    fi
2849
done
2850

    
2851
check_lib math.h sin -lm && LIBM="-lm"
2852
enabled vaapi && require vaapi va/va.h vaInitialize -lva
2853

    
2854
check_mathfunc exp2
2855
check_mathfunc exp2f
2856
check_mathfunc llrint
2857
check_mathfunc llrintf
2858
check_mathfunc log2
2859
check_mathfunc log2f
2860
check_mathfunc lrint
2861
check_mathfunc lrintf
2862
check_mathfunc round
2863
check_mathfunc roundf
2864
check_mathfunc trunc
2865
check_mathfunc truncf
2866

    
2867
# these are off by default, so fail if requested and not available
2868
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2869
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2870
enabled libdirac   && require_pkg_config dirac                          \
2871
    "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
2872
    "dirac_decoder_init dirac_encoder_init"
2873
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2874
enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2875
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2876
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2877
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2878
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2879
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2880
enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2881
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2882
enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2883
enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2884
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2885
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2886
enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2887
enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2888
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2889
enabled libvpx     && {
2890
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2891
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2892
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2893
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2894
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2895
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2896
                        die "ERROR: libx264 version must be >= 0.99."; }
2897
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2898
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2899
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2900

    
2901
# libdc1394 check
2902
if enabled libdc1394; then
2903
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2904
        enable libdc1394_2; } ||
2905
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2906
        enable libdc1394_1; } ||
2907
    die "ERROR: No version of libdc1394 found "
2908
fi
2909

    
2910
if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2911
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2912
    enable sdl &&
2913
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2914
fi
2915

    
2916
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2917

    
2918
check_header linux/fb.h
2919
check_header linux/videodev.h
2920
check_header linux/videodev2.h
2921
check_header sys/videoio.h
2922

    
2923
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2924
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2925
# w32api 3.12 had it defined wrong
2926
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2927

    
2928
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2929
{ check_header dev/bktr/ioctl_meteor.h &&
2930
  check_header dev/bktr/ioctl_bt848.h; } ||
2931
{ check_header machine/ioctl_meteor.h &&
2932
  check_header machine/ioctl_bt848.h; } ||
2933
{ check_header dev/video/meteor/ioctl_meteor.h &&
2934
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2935
check_header dev/ic/bt8xx.h
2936

    
2937
check_header sndio.h
2938
check_header sys/soundcard.h
2939
check_header soundcard.h
2940

    
2941
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2942

    
2943
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2944

    
2945
enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2946

    
2947
enabled x11grab                         &&
2948
check_header X11/Xlib.h                 &&
2949
check_header X11/extensions/XShm.h      &&
2950
check_header X11/extensions/Xfixes.h    &&
2951
check_func XOpenDisplay -lX11           &&
2952
check_func XShmCreateImage -lX11 -lXext &&
2953
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2954

    
2955
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2956
check_cpp_condition \
2957
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2958
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2959
      disable vdpau; }
2960
fi
2961

    
2962
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2963

    
2964
# add some useful compiler flags if supported
2965
check_cflags -Wdeclaration-after-statement
2966
check_cflags -Wall
2967
check_cflags -Wno-parentheses
2968
check_cflags -Wno-switch
2969
check_cflags -Wdisabled-optimization
2970
check_cflags -Wpointer-arith
2971
check_cflags -Wredundant-decls
2972
check_cflags -Wno-pointer-sign
2973
check_cflags -Wcast-qual
2974
check_cflags -Wwrite-strings
2975
check_cflags -Wtype-limits
2976
check_cflags -Wundef
2977
check_cflags -Wmissing-prototypes
2978
enabled extra_warnings && check_cflags -Winline
2979

    
2980
# add some linker flags
2981
check_ldflags -Wl,--warn-common
2982
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'
2983
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2984

    
2985
echo "X{};" > $TMPV
2986
if test_ldflags -Wl,--version-script,$TMPV; then
2987
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2988
    check_cc <<EOF && enable symver_asm_label
2989
void ff_foo(void) __asm__ ("av_foo@VERSION");
2990
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2991
EOF
2992
    check_cc <<EOF && enable symver_gnu_asm
2993
__asm__(".symver ff_foo,av_foo@VERSION");
2994
void ff_foo(void) {}
2995
EOF
2996
fi
2997

    
2998
if enabled small; then
2999
    add_cflags $size_cflags
3000
    optimizations="small"
3001
elif enabled optimizations; then
3002
    add_cflags $speed_cflags
3003
else
3004
    add_cflags $noopt_cflags
3005
fi
3006
check_cflags -fno-math-errno
3007
check_cflags -fno-signed-zeros
3008

    
3009
if enabled icc; then
3010
    # Just warnings, no remarks
3011
    check_cflags -w1
3012
    # -wd: Disable following warnings
3013
    # 144, 167, 556: -Wno-pointer-sign
3014
    # 1292: attribute "foo" ignored
3015
    # 10006: ignoring unknown option -fno-signed-zeros
3016
    # 10148: ignoring unknown option -Wno-parentheses
3017
    # 10156: ignoring option '-W'; no argument required
3018
    check_cflags -wd144,167,556,1292,10006,10148,10156
3019
    # 11030: Warning unknown option --as-needed
3020
    # 10156: ignoring option '-export'; no argument required
3021
    check_ldflags -wd10156,11030
3022
    # Allow to compile with optimizations
3023
    check_ldflags -march=$cpu
3024
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3025
    enable ebp_available
3026
    if enabled x86_32; then
3027
        test ${icc_version%%.*} -ge 11 && \
3028
            check_cflags -falign-stack=maintain-16-byte || \
3029
            disable aligned_stack
3030
    fi
3031
elif enabled ccc; then
3032
    # disable some annoying warnings
3033
    add_cflags -msg_disable cvtu32to64
3034
    add_cflags -msg_disable embedcomment
3035
    add_cflags -msg_disable needconstext
3036
    add_cflags -msg_disable nomainieee
3037
    add_cflags -msg_disable ptrmismatch1
3038
    add_cflags -msg_disable unreachcode
3039
elif enabled gcc; then
3040
    check_cflags -fno-tree-vectorize
3041
    check_cflags -Werror=implicit-function-declaration
3042
    check_cflags -Werror=missing-prototypes
3043
elif enabled llvm_gcc; then
3044
    check_cflags -mllvm -stack-alignment=16
3045
elif enabled clang; then
3046
    check_cflags -mllvm -stack-alignment=16
3047
    check_cflags -Qunused-arguments
3048
elif enabled armcc; then
3049
    # 2523: use of inline assembler is deprecated
3050
    add_cflags -W${armcc_opt},--diag_suppress=2523
3051
    add_cflags -W${armcc_opt},--diag_suppress=1207
3052
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3053
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3054
elif enabled tms470; then
3055
    add_cflags -pds=824 -pds=837
3056
elif enabled pathscale; then
3057
    add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3058
fi
3059

    
3060
enabled_any $THREADS_LIST      && enable threads
3061

    
3062
check_deps $CONFIG_LIST       \
3063
           $CONFIG_EXTRA      \
3064
           $HAVE_LIST         \
3065
           $DECODER_LIST      \
3066
           $ENCODER_LIST      \
3067
           $HWACCEL_LIST      \
3068
           $PARSER_LIST       \
3069
           $BSF_LIST          \
3070
           $DEMUXER_LIST      \
3071
           $MUXER_LIST        \
3072
           $FILTER_LIST       \
3073
           $INDEV_LIST        \
3074
           $OUTDEV_LIST       \
3075
           $PROTOCOL_LIST     \
3076
           $ACODEC_TESTS      \
3077
           $VCODEC_TESTS      \
3078
           $LAVF_TESTS        \
3079
           $LAVFI_TESTS       \
3080
           $SEEK_TESTS        \
3081

    
3082
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3083

    
3084
echo "install prefix            $prefix"
3085
echo "source path               $source_path"
3086
echo "C compiler                $cc"
3087
echo "ARCH                      $arch ($cpu)"
3088
if test "$build_suffix" != ""; then
3089
    echo "build suffix              $build_suffix"
3090
fi
3091
if test "$extra_version" != ""; then
3092
    echo "version string suffix     $extra_version"
3093
fi
3094
echo "big-endian                ${bigendian-no}"
3095
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3096
if enabled x86; then
3097
    echo "yasm                      ${yasm-no}"
3098
    echo "MMX enabled               ${mmx-no}"
3099
    echo "MMX2 enabled              ${mmx2-no}"
3100
    echo "3DNow! enabled            ${amd3dnow-no}"
3101
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3102
    echo "SSE enabled               ${sse-no}"
3103
    echo "SSSE3 enabled             ${ssse3-no}"
3104
    echo "CMOV enabled              ${cmov-no}"
3105
    echo "CMOV is fast              ${fast_cmov-no}"
3106
    echo "EBX available             ${ebx_available-no}"
3107
    echo "EBP available             ${ebp_available-no}"
3108
    echo "10 operands supported     ${ten_operands-no}"
3109
fi
3110
if enabled arm; then
3111
    echo "ARMv5TE enabled           ${armv5te-no}"
3112
    echo "ARMv6 enabled             ${armv6-no}"
3113
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3114
    echo "ARM VFP enabled           ${armvfp-no}"
3115
    echo "IWMMXT enabled            ${iwmmxt-no}"
3116
    echo "NEON enabled              ${neon-no}"
3117
fi
3118
if enabled mips; then
3119
    echo "MMI enabled               ${mmi-no}"
3120
fi
3121
if enabled ppc; then
3122
    echo "AltiVec enabled           ${altivec-no}"
3123
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3124
    echo "dcbzl available           ${dcbzl-no}"
3125
fi
3126
if enabled sparc; then
3127
    echo "VIS enabled               ${vis-no}"
3128
fi
3129
echo "debug symbols             ${debug-no}"
3130
echo "optimizations             ${optimizations-no}"
3131
echo "static                    ${static-no}"
3132
echo "shared                    ${shared-no}"
3133
echo "postprocessing support    ${postproc-no}"
3134
echo "new filter support        ${avfilter-no}"
3135
echo "network support           ${network-no}"
3136
echo "threading support         ${thread_type-no}"
3137
echo "SDL support               ${sdl-no}"
3138
echo "Sun medialib support      ${mlib-no}"
3139
echo "AVISynth enabled          ${avisynth-no}"
3140
echo "frei0r enabled            ${frei0r-no}"
3141
echo "libdc1394 support         ${libdc1394-no}"
3142
echo "libdirac enabled          ${libdirac-no}"
3143
echo "libfaac enabled           ${libfaac-no}"
3144
echo "libgsm enabled            ${libgsm-no}"
3145
echo "libmp3lame enabled        ${libmp3lame-no}"
3146
echo "libnut enabled            ${libnut-no}"
3147
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3148
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3149
echo "libopencv support         ${libopencv-no}"
3150
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3151
echo "librtmp enabled           ${librtmp-no}"
3152
echo "libschroedinger enabled   ${libschroedinger-no}"
3153
echo "libspeex enabled          ${libspeex-no}"
3154
echo "libtheora enabled         ${libtheora-no}"
3155
echo "libva enabled             ${vaapi-no}"
3156
echo "libvo-aacenc support      ${libvo_aacenc-no}"
3157
echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3158
echo "libvorbis enabled         ${libvorbis-no}"
3159
echo "libvpx enabled            ${libvpx-no}"
3160
echo "libx264 enabled           ${libx264-no}"
3161
echo "libxavs enabled           ${libxavs-no}"
3162
echo "libxvid enabled           ${libxvid-no}"
3163
echo "zlib enabled              ${zlib-no}"
3164
echo "bzlib enabled             ${bzlib-no}"
3165
echo
3166

    
3167
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3168
    echo "Enabled ${type}s:"
3169
    eval list=\$$(toupper $type)_LIST
3170
    print_enabled '_*' $list | sort | pr -r -3 -t
3171
    echo
3172
done
3173

    
3174
license="LGPL version 2.1 or later"
3175
if enabled nonfree; then
3176
    license="nonfree and unredistributable"
3177
elif enabled gplv3; then
3178
    license="GPL version 3 or later"
3179
elif enabled lgplv3; then
3180
    license="LGPL version 3 or later"
3181
elif enabled gpl; then
3182
    license="GPL version 2 or later"
3183
fi
3184

    
3185
echo "License: $license"
3186

    
3187
echo "Creating config.mak and config.h..."
3188

    
3189
# build tree in object directory if source path is different from current one
3190
if enabled source_path_used; then
3191
    DIRS="
3192
        doc
3193
        libavcodec
3194
        libavcodec/$arch
3195
        libavdevice
3196
        libavfilter
3197
        libavfilter/$arch
3198
        libavformat
3199
        libavutil
3200
        libavutil/$arch
3201
        libpostproc
3202
        libswscale
3203
        libswscale/$arch
3204
        tests
3205
        tools
3206
    "
3207
    FILES="
3208
        Makefile
3209
        common.mak
3210
        subdir.mak
3211
        doc/texi2pod.pl
3212
        libavcodec/Makefile
3213
        libavcodec/${arch}/Makefile
3214
        libavdevice/Makefile
3215
        libavfilter/Makefile
3216
        libavfilter/${arch}/Makefile
3217
        libavformat/Makefile
3218
        libavutil/Makefile
3219
        libpostproc/Makefile
3220
        libswscale/Makefile
3221
    "
3222
    map 'mkdir -p $v' $DIRS;
3223
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3224
fi
3225

    
3226
config_files="$TMPH config.mak"
3227

    
3228
cat > config.mak <<EOF
3229
# Automatically generated by configure - do not modify!
3230
ifndef LIBAV_CONFIG_MAK
3231
LIBAV_CONFIG_MAK=1
3232
LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3233
prefix=$prefix
3234
LIBDIR=\$(DESTDIR)$libdir
3235
SHLIBDIR=\$(DESTDIR)$shlibdir
3236
INCDIR=\$(DESTDIR)$incdir
3237
BINDIR=\$(DESTDIR)$bindir
3238
DATADIR=\$(DESTDIR)$datadir
3239
MANDIR=\$(DESTDIR)$mandir
3240
SRC_PATH="$source_path"
3241
SRC_PATH_BARE=$source_path
3242
BUILD_ROOT="$PWD"
3243
CC_IDENT=$cc_ident
3244
ARCH=$arch
3245
CC=$cc
3246
AS=$as
3247
LD=$ld
3248
DEPCC=$dep_cc
3249
YASM=$yasmexe
3250
YASMDEP=$yasmexe
3251
AR=$ar
3252
RANLIB=$ranlib
3253
LN_S=$ln_s
3254
CPPFLAGS=$CPPFLAGS
3255
CFLAGS=$CFLAGS
3256
ASFLAGS=$ASFLAGS
3257
CC_O=$CC_O
3258
DLLTOOL=$dlltool
3259
LDFLAGS=$LDFLAGS
3260
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3261
SHFLAGS=$SHFLAGS
3262
YASMFLAGS=$YASMFLAGS
3263
BUILDSUF=$build_suffix
3264
FULLNAME=$FULLNAME
3265
LIBPREF=$LIBPREF
3266
LIBSUF=$LIBSUF
3267
LIBNAME=$LIBNAME
3268
SLIBPREF=$SLIBPREF
3269
SLIBSUF=$SLIBSUF
3270
EXESUF=$EXESUF
3271
EXTRA_VERSION=$extra_version
3272
DEPFLAGS=$DEPFLAGS
3273
CCDEP=$CCDEP
3274
ASDEP=$ASDEP
3275
CC_DEPFLAGS=$CC_DEPFLAGS
3276
AS_DEPFLAGS=$AS_DEPFLAGS
3277
HOSTCC=$host_cc
3278
HOSTCFLAGS=$host_cflags
3279
HOSTEXESUF=$HOSTEXESUF
3280
HOSTLDFLAGS=$host_ldflags
3281
HOSTLIBS=$host_libs
3282
TARGET_EXEC=$target_exec
3283
TARGET_PATH=$target_path
3284
SDL_LIBS=$sdl_libs
3285
SDL_CFLAGS=$sdl_cflags
3286
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3287
EXTRALIBS=$extralibs
3288
INSTALL=install
3289
LIBTARGET=${LIBTARGET}
3290
SLIBNAME=${SLIBNAME}
3291
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3292
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3293
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3294
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3295
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3296
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3297
SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3298
EOF
3299

    
3300
get_version(){
3301
    name=$1
3302
    file=$source_path/$2
3303
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3304
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3305
    lcname=$(tolower $name)
3306
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3307
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3308
}
3309

    
3310
get_version LIBSWSCALE  libswscale/swscale.h
3311
get_version LIBPOSTPROC libpostproc/postprocess.h
3312
get_version LIBAVCODEC  libavcodec/version.h
3313
get_version LIBAVDEVICE libavdevice/avdevice.h
3314
get_version LIBAVFORMAT libavformat/version.h
3315
get_version LIBAVUTIL   libavutil/avutil.h
3316
get_version LIBAVFILTER libavfilter/avfilter.h
3317

    
3318
cat > $TMPH <<EOF
3319
/* Automatically generated by configure - do not modify! */
3320
#ifndef LIBAV_CONFIG_H
3321
#define LIBAV_CONFIG_H
3322
#define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3323
#define LIBAV_LICENSE "$(c_escape $license)"
3324
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3325
#define CC_TYPE "$cc_type"
3326
#define CC_VERSION $cc_version
3327
#define restrict $_restrict
3328
#define EXTERN_PREFIX "${extern_prefix}"
3329
#define EXTERN_ASM ${extern_prefix}
3330
#define SLIBSUF "$SLIBSUF"
3331
EOF
3332

    
3333
test -n "$malloc_prefix" &&
3334
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3335

    
3336
if enabled small || disabled optimizations; then
3337
    echo "#undef  av_always_inline"  >> $TMPH
3338
    if enabled small; then
3339
        echo "#define av_always_inline inline"  >> $TMPH
3340
    else
3341
        echo "#define av_always_inline av_unused"  >> $TMPH
3342
    fi
3343
fi
3344

    
3345
if enabled yasm; then
3346
    append config_files $TMPASM
3347
    printf '' >$TMPASM
3348
fi
3349

    
3350
print_config ARCH_   "$config_files" $ARCH_LIST
3351
print_config HAVE_   "$config_files" $HAVE_LIST
3352
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3353
                                     $CONFIG_EXTRA      \
3354
                                     $DECODER_LIST      \
3355
                                     $ENCODER_LIST      \
3356
                                     $HWACCEL_LIST      \
3357
                                     $PARSER_LIST       \
3358
                                     $BSF_LIST          \
3359
                                     $DEMUXER_LIST      \
3360
                                     $MUXER_LIST        \
3361
                                     $FILTER_LIST       \
3362
                                     $PROTOCOL_LIST     \
3363
                                     $INDEV_LIST        \
3364
                                     $OUTDEV_LIST       \
3365

    
3366
cat >>config.mak <<EOF
3367
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3368
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3369
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3370
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3371
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3372
EOF
3373

    
3374
echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3375
echo "endif # LIBAV_CONFIG_MAK" >> config.mak
3376

    
3377
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3378
cp_if_changed $TMPH config.h
3379
touch .config
3380

    
3381
enabled yasm && cp_if_changed $TMPASM config.asm
3382

    
3383
cat > $TMPH <<EOF
3384
/* Generated by ffconf */
3385
#ifndef AVUTIL_AVCONFIG_H
3386
#define AVUTIL_AVCONFIG_H
3387
EOF
3388

    
3389
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3390

    
3391
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3392

    
3393
cp_if_changed $TMPH libavutil/avconfig.h
3394

    
3395
test -n "$WARNINGS" && printf "\n$WARNINGS"
3396

    
3397
# build pkg-config files
3398

    
3399
pkgconfig_generate(){
3400
name=$1
3401
shortname=${name#lib}${build_suffix}
3402
comment=$2
3403
version=$3
3404
libs=$4
3405
requires=$5
3406
enabled ${name#lib} || return 0
3407
cat <<EOF > $name/$name.pc
3408
prefix=$prefix
3409
exec_prefix=\${prefix}
3410
libdir=$libdir
3411
includedir=$incdir
3412

    
3413
Name: $name
3414
Description: $comment
3415
Version: $version
3416
Requires: $(enabled shared || echo $requires)
3417
Requires.private: $(enabled shared && echo $requires)
3418
Conflicts:
3419
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3420
Libs.private: $(enabled shared && echo $libs)
3421
Cflags: -I\${includedir}
3422
EOF
3423
cat <<EOF > $name/$name-uninstalled.pc
3424
prefix=
3425
exec_prefix=
3426
libdir=\${pcfiledir}
3427
includedir=${source_path}
3428

    
3429
Name: $name
3430
Description: $comment
3431
Version: $version
3432
Requires: $requires
3433
Conflicts:
3434
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3435
Cflags: -I\${includedir}
3436
EOF
3437
}
3438

    
3439
pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3440
pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3441
pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3442
pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3443
pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3444
pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3445
pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"