Statistics
| Branch: | Revision:

ffmpeg / configure @ f9c215e2

History | View | Annotate | Download (101 KB)

1
#!/bin/sh
2
#
3
# FFmpeg 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 FFMPEG, 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 FFmpeg."
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
  --enable-postproc        enable GPLed postprocessing support [no]
92
  --disable-avfilter       disable video filter support [no]
93
  --disable-pthreads       disable pthreads [auto]
94
  --enable-w32threads      use Win32 threads [no]
95
  --enable-x11grab         enable X11 grabbing [no]
96
  --disable-network        disable network support [no]
97
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
98
  --enable-gray            enable full grayscale support (slower color)
99
  --disable-swscale-alpha  disable alpha channel support in swscale
100
  --disable-fastdiv        disable table-based division
101
  --enable-small           optimize for size instead of speed
102
  --disable-aandct         disable AAN DCT code
103
  --disable-dct            disable DCT code
104
  --disable-fft            disable FFT code
105
  --disable-golomb         disable Golomb code
106
  --disable-huffman        disable Huffman code
107
  --disable-lpc            disable LPC code
108
  --disable-mdct           disable MDCT code
109
  --disable-rdft           disable RDFT code
110
  --disable-vaapi          disable VAAPI code
111
  --disable-vdpau          disable VDPAU code
112
  --disable-dxva2          disable DXVA2 code
113
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
116
  --disable-everything     disable all components listed below
117
  --disable-encoder=NAME   disable encoder NAME
118
  --enable-encoder=NAME    enable encoder NAME
119
  --disable-encoders       disable all encoders
120
  --disable-decoder=NAME   disable decoder NAME
121
  --enable-decoder=NAME    enable decoder NAME
122
  --disable-decoders       disable all decoders
123
  --disable-hwaccel=NAME   disable hwaccel NAME
124
  --enable-hwaccel=NAME    enable hwaccel NAME
125
  --disable-hwaccels       disable all hwaccels
126
  --disable-muxer=NAME     disable muxer NAME
127
  --enable-muxer=NAME      enable muxer NAME
128
  --disable-muxers         disable all muxers
129
  --disable-demuxer=NAME   disable demuxer NAME
130
  --enable-demuxer=NAME    enable demuxer NAME
131
  --disable-demuxers       disable all demuxers
132
  --enable-parser=NAME     enable parser NAME
133
  --disable-parser=NAME    disable parser NAME
134
  --disable-parsers        disable all parsers
135
  --enable-bsf=NAME        enable bitstream filter NAME
136
  --disable-bsf=NAME       disable bitstream filter NAME
137
  --disable-bsfs           disable all bitstream filters
138
  --enable-protocol=NAME   enable protocol NAME
139
  --disable-protocol=NAME  disable protocol NAME
140
  --disable-protocols      disable all protocols
141
  --disable-indev=NAME     disable input device NAME
142
  --disable-outdev=NAME    disable output device NAME
143
  --disable-indevs         disable input devices
144
  --disable-outdevs        disable output devices
145
  --disable-devices        disable all devices
146
  --enable-filter=NAME     enable filter NAME
147
  --disable-filter=NAME    disable filter NAME
148
  --disable-filters        disable all filters
149
  --list-decoders          show all available decoders
150
  --list-encoders          show all available encoders
151
  --list-hwaccels          show all available hardware accelerators
152
  --list-muxers            show all available muxers
153
  --list-demuxers          show all available demuxers
154
  --list-parsers           show all available parsers
155
  --list-protocols         show all available protocols
156
  --list-bsfs              show all available bitstream filters
157
  --list-indevs            show all available input devices
158
  --list-outdevs           show all available output devices
159
  --list-filters           show all available filters
160

    
161
External library support:
162
  --enable-avisynth        enable reading of AVISynth script files [no]
163
  --enable-bzlib           enable bzlib [autodetect]
164
  --enable-frei0r          enable frei0r video filtering
165
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167
  --enable-libopencv       enable video filtering via libopencv [no]
168
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
169
                           and libraw1394 [no]
170
  --enable-libdirac        enable Dirac support via libdirac [no]
171
  --enable-libfaac         enable FAAC support via libfaac [no]
172
  --enable-libfreetype     enable libfreetype [no]
173
  --enable-libgsm          enable GSM support via libgsm [no]
174
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
175
  --enable-libnut          enable NUT (de)muxing via libnut,
176
                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-librtmp         enable RTMP[E] support via librtmp [no]
179
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
180
  --enable-libspeex        enable Speex decoding via libspeex [no]
181
  --enable-libtheora       enable Theora encoding via libtheora [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
183
                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
186
  --enable-libxavs         enable AVS encoding via xavs [no]
187
  --enable-libxvid         enable Xvid encoding via xvidcore,
188
                           native MPEG-4/Xvid encoder exists [no]
189
  --enable-mlib            enable Sun medialib [no]
190
  --enable-zlib            enable zlib [autodetect]
191

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

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

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

    
254
quotes='""'
255

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
899
CONFIG_LIST="
900
    $COMPONENT_LIST
901
    aandct
902
    ac3dsp
903
    avcodec
904
    avdevice
905
    avfilter
906
    avformat
907
    avisynth
908
    bzlib
909
    crystalhd
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
    libvorbis
944
    libvpx
945
    libx264
946
    libxavs
947
    libxvid
948
    lpc
949
    lsp
950
    mdct
951
    memalign_hack
952
    mlib
953
    mpegaudio_hp
954
    network
955
    nonfree
956
    pic
957
    postproc
958
    rdft
959
    rtpdec
960
    runtime_cpudetect
961
    shared
962
    sinewin
963
    small
964
    sram
965
    static
966
    swscale
967
    swscale_alpha
968
    vaapi
969
    vdpau
970
    version3
971
    x11grab
972
    zlib
973
"
974

    
975
THREADS_LIST='
976
    pthreads
977
    w32threads
978
'
979

    
980
ARCH_LIST='
981
    alpha
982
    arm
983
    avr32
984
    avr32_ap
985
    avr32_uc
986
    bfin
987
    ia64
988
    m68k
989
    mips
990
    mips64
991
    parisc
992
    ppc
993
    ppc64
994
    s390
995
    sh4
996
    sparc
997
    sparc64
998
    tomi
999
    x86
1000
    x86_32
1001
    x86_64
1002
'
1003

    
1004
ARCH_EXT_LIST='
1005
    altivec
1006
    amd3dnow
1007
    amd3dnowext
1008
    armv5te
1009
    armv6
1010
    armv6t2
1011
    armvfp
1012
    avx
1013
    iwmmxt
1014
    mmi
1015
    mmx
1016
    mmx2
1017
    neon
1018
    ppc4xx
1019
    sse
1020
    ssse3
1021
    vis
1022
'
1023

    
1024
HAVE_LIST_PUB='
1025
    bigendian
1026
    fast_unaligned
1027
'
1028

    
1029
HAVE_LIST="
1030
    $ARCH_EXT_LIST
1031
    $HAVE_LIST_PUB
1032
    $THREADS_LIST
1033
    aligned_stack
1034
    alsa_asoundlib_h
1035
    altivec_h
1036
    arpa_inet_h
1037
    attribute_may_alias
1038
    attribute_packed
1039
    bswap
1040
    closesocket
1041
    cmov
1042
    dcbzl
1043
    dev_bktr_ioctl_bt848_h
1044
    dev_bktr_ioctl_meteor_h
1045
    dev_ic_bt8xx_h
1046
    dev_video_meteor_ioctl_meteor_h
1047
    dev_video_bktr_ioctl_bt848_h
1048
    dlfcn_h
1049
    dlopen
1050
    dos_paths
1051
    ebp_available
1052
    ebx_available
1053
    exp2
1054
    exp2f
1055
    fast_64bit
1056
    fast_clz
1057
    fast_cmov
1058
    fcntl
1059
    fork
1060
    getaddrinfo
1061
    gethrtime
1062
    GetProcessMemoryInfo
1063
    GetProcessTimes
1064
    getrusage
1065
    gnu_as
1066
    struct_rusage_ru_maxrss
1067
    ibm_asm
1068
    inet_aton
1069
    inline_asm
1070
    isatty
1071
    kbhit
1072
    ldbrx
1073
    libdc1394_1
1074
    libdc1394_2
1075
    llrint
1076
    llrintf
1077
    local_aligned_16
1078
    local_aligned_8
1079
    localtime_r
1080
    log2
1081
    log2f
1082
    loongson
1083
    lrint
1084
    lrintf
1085
    lzo1x_999_compress
1086
    machine_ioctl_bt848_h
1087
    machine_ioctl_meteor_h
1088
    malloc_h
1089
    MapViewOfFile
1090
    memalign
1091
    mkstemp
1092
    mmap
1093
    pld
1094
    posix_memalign
1095
    round
1096
    roundf
1097
    sdl
1098
    sdl_video_size
1099
    setmode
1100
    sndio_h
1101
    socklen_t
1102
    soundcard_h
1103
    poll_h
1104
    setrlimit
1105
    strerror_r
1106
    strtok_r
1107
    struct_addrinfo
1108
    struct_ipv6_mreq
1109
    struct_sockaddr_in6
1110
    struct_sockaddr_sa_len
1111
    struct_sockaddr_storage
1112
    symver
1113
    symver_gnu_asm
1114
    symver_asm_label
1115
    sys_mman_h
1116
    sys_resource_h
1117
    sys_select_h
1118
    sys_soundcard_h
1119
    sys_videoio_h
1120
    ten_operands
1121
    threads
1122
    truncf
1123
    vfp_args
1124
    VirtualAlloc
1125
    winsock2_h
1126
    xform_asm
1127
    xmm_clobbers
1128
    yasm
1129
"
1130

    
1131
# options emitted with CONFIG_ prefix but not available on command line
1132
CONFIG_EXTRA="
1133
    avutil
1134
    gplv3
1135
    lgplv3
1136
"
1137

    
1138
CMDLINE_SELECT="
1139
    $ARCH_EXT_LIST
1140
    $CONFIG_LIST
1141
    $THREADS_LIST
1142
    asm
1143
    cross_compile
1144
    debug
1145
    extra_warnings
1146
    logging
1147
    optimizations
1148
    symver
1149
    yasm
1150
"
1151

    
1152
PATHS_LIST='
1153
    bindir
1154
    datadir
1155
    incdir
1156
    libdir
1157
    mandir
1158
    prefix
1159
    shlibdir
1160
'
1161

    
1162
CMDLINE_SET="
1163
    $PATHS_LIST
1164
    ar
1165
    arch
1166
    as
1167
    build_suffix
1168
    cc
1169
    cpu
1170
    cross_prefix
1171
    dep_cc
1172
    extra_version
1173
    host_cc
1174
    host_cflags
1175
    host_ldflags
1176
    host_libs
1177
    host_os
1178
    ld
1179
    logfile
1180
    malloc_prefix
1181
    nm
1182
    pkg_config
1183
    samples
1184
    source_path
1185
    sysinclude
1186
    sysroot
1187
    target_exec
1188
    target_os
1189
    target_path
1190
"
1191

    
1192
CMDLINE_APPEND="
1193
    extra_cflags
1194
"
1195

    
1196
# code dependency declarations
1197

    
1198
# architecture extensions
1199

    
1200
armv5te_deps="arm"
1201
armv6_deps="arm"
1202
armv6t2_deps="arm"
1203
armvfp_deps="arm"
1204
iwmmxt_deps="arm"
1205
neon_deps="arm"
1206

    
1207
mmi_deps="mips"
1208

    
1209
altivec_deps="ppc"
1210
ppc4xx_deps="ppc"
1211

    
1212
vis_deps="sparc"
1213

    
1214
x86_64_suggest="cmov fast_cmov"
1215
amd3dnow_deps="mmx"
1216
amd3dnowext_deps="amd3dnow"
1217
mmx_deps="x86"
1218
mmx2_deps="mmx"
1219
sse_deps="mmx"
1220
ssse3_deps="sse"
1221
avx_deps="ssse3"
1222

    
1223
aligned_stack_if_any="ppc x86"
1224
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1225
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1226
fast_unaligned_if_any="armv6 ppc x86"
1227

    
1228
need_memalign="altivec neon sse"
1229
inline_asm_deps="!tms470"
1230

    
1231
symver_if_any="symver_asm_label symver_gnu_asm"
1232

    
1233
# subsystems
1234
dct_select="rdft"
1235
mdct_select="fft"
1236
rdft_select="fft"
1237

    
1238
# decoders / encoders / hardware accelerators
1239
aac_decoder_select="mdct rdft sinewin"
1240
aac_encoder_select="mdct sinewin"
1241
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1242
ac3_decoder_select="mdct ac3dsp ac3_parser"
1243
ac3_encoder_select="mdct ac3dsp"
1244
ac3_fixed_encoder_select="ac3dsp"
1245
alac_encoder_select="lpc"
1246
amrnb_decoder_select="lsp"
1247
amrwb_decoder_select="lsp"
1248
atrac1_decoder_select="mdct sinewin"
1249
atrac3_decoder_select="mdct"
1250
binkaudio_dct_decoder_select="mdct rdft dct"
1251
binkaudio_rdft_decoder_select="mdct rdft"
1252
cavs_decoder_select="golomb"
1253
cook_decoder_select="mdct sinewin"
1254
cscd_decoder_suggest="zlib"
1255
dca_decoder_select="mdct"
1256
dnxhd_encoder_select="aandct"
1257
dxa_decoder_select="zlib"
1258
eac3_decoder_select="ac3_decoder"
1259
eamad_decoder_select="aandct"
1260
eatgq_decoder_select="aandct"
1261
eatqi_decoder_select="aandct"
1262
ffv1_decoder_select="golomb"
1263
flac_decoder_select="golomb"
1264
flac_encoder_select="golomb lpc"
1265
flashsv_decoder_select="zlib"
1266
flashsv_encoder_select="zlib"
1267
flv_decoder_select="h263_decoder"
1268
flv_encoder_select="h263_encoder"
1269
fraps_decoder_select="huffman"
1270
h261_encoder_select="aandct"
1271
h263_decoder_select="h263_parser"
1272
h263_encoder_select="aandct"
1273
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1274
h263i_decoder_select="h263_decoder"
1275
h263p_encoder_select="h263_encoder"
1276
h264_decoder_select="golomb h264dsp h264pred"
1277
h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf"
1278
h264_dxva2_hwaccel_deps="dxva2api_h"
1279
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1280
h264_vaapi_hwaccel_select="vaapi"
1281
h264_vdpau_decoder_select="vdpau h264_decoder"
1282
imc_decoder_select="fft mdct"
1283
jpegls_decoder_select="golomb"
1284
jpegls_encoder_select="golomb"
1285
ljpeg_encoder_select="aandct"
1286
loco_decoder_select="golomb"
1287
mjpeg_encoder_select="aandct"
1288
mlp_decoder_select="mlp_parser"
1289
mp1float_decoder_select="dct"
1290
mp2float_decoder_select="dct"
1291
mp3adufloat_decoder_select="dct"
1292
mp3float_decoder_select="dct"
1293
mp3on4float_decoder_select="dct"
1294
mpeg1video_encoder_select="aandct"
1295
mpeg2video_encoder_select="aandct"
1296
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1297
mpeg4_encoder_select="h263_encoder"
1298
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1299
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1300
mpeg2_crystalhd_decoder_select="crystalhd"
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_crystalhd_decoder_select="crystalhd"
1305
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1306
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1307
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1308
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1309
msmpeg4_crystalhd_decoder_select="crystalhd"
1310
msmpeg4v1_decoder_select="h263_decoder"
1311
msmpeg4v1_encoder_select="h263_encoder"
1312
msmpeg4v2_decoder_select="h263_decoder"
1313
msmpeg4v2_encoder_select="h263_encoder"
1314
msmpeg4v3_decoder_select="h263_decoder"
1315
msmpeg4v3_encoder_select="h263_encoder"
1316
nellymoser_decoder_select="mdct sinewin"
1317
nellymoser_encoder_select="mdct sinewin"
1318
png_decoder_select="zlib"
1319
png_encoder_select="zlib"
1320
qcelp_decoder_select="lsp"
1321
qdm2_decoder_select="mdct rdft"
1322
ra_144_encoder_select="lpc"
1323
rv10_decoder_select="h263_decoder"
1324
rv10_encoder_select="h263_encoder"
1325
rv20_decoder_select="h263_decoder"
1326
rv20_encoder_select="h263_encoder"
1327
rv30_decoder_select="golomb h264pred"
1328
rv40_decoder_select="golomb h264pred"
1329
shorten_decoder_select="golomb"
1330
sipr_decoder_select="lsp"
1331
snow_decoder_select="dwt"
1332
snow_encoder_select="aandct dwt"
1333
sonic_decoder_select="golomb"
1334
sonic_encoder_select="golomb"
1335
sonic_ls_encoder_select="golomb"
1336
svq1_encoder_select="aandct"
1337
svq3_decoder_select="golomb h264dsp h264pred"
1338
svq3_decoder_suggest="zlib"
1339
theora_decoder_select="vp3_decoder"
1340
tiff_decoder_suggest="zlib"
1341
tiff_encoder_suggest="zlib"
1342
truehd_decoder_select="mlp_decoder"
1343
tscc_decoder_select="zlib"
1344
twinvq_decoder_select="mdct lsp sinewin"
1345
vc1_decoder_select="h263_decoder"
1346
vc1_crystalhd_decoder_select="crystalhd"
1347
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1348
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1349
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1350
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1351
vorbis_decoder_select="mdct"
1352
vorbis_encoder_select="mdct"
1353
vp6_decoder_select="huffman"
1354
vp6a_decoder_select="vp6_decoder"
1355
vp6f_decoder_select="vp6_decoder"
1356
vp8_decoder_select="h264pred"
1357
wmapro_decoder_select="mdct sinewin"
1358
wmav1_decoder_select="mdct sinewin"
1359
wmav1_encoder_select="mdct sinewin"
1360
wmav2_decoder_select="mdct sinewin"
1361
wmav2_encoder_select="mdct sinewin"
1362
wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1363
wmv1_decoder_select="h263_decoder"
1364
wmv1_encoder_select="h263_encoder"
1365
wmv2_decoder_select="h263_decoder"
1366
wmv2_encoder_select="h263_encoder"
1367
wmv3_decoder_select="vc1_decoder"
1368
wmv3_crystalhd_decoder_select="crystalhd"
1369
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1370
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1371
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1372
zlib_decoder_select="zlib"
1373
zlib_encoder_select="zlib"
1374
zmbv_decoder_select="zlib"
1375
zmbv_encoder_select="zlib"
1376

    
1377
crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1378
vaapi_deps="va_va_h"
1379
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1380

    
1381
# parsers
1382
h264_parser_select="golomb h264dsp h264pred"
1383

    
1384
# external libraries
1385
libdirac_decoder_deps="libdirac !libschroedinger"
1386
libdirac_encoder_deps="libdirac"
1387
libfaac_encoder_deps="libfaac"
1388
libgsm_decoder_deps="libgsm"
1389
libgsm_encoder_deps="libgsm"
1390
libgsm_ms_decoder_deps="libgsm"
1391
libgsm_ms_encoder_deps="libgsm"
1392
libmp3lame_encoder_deps="libmp3lame"
1393
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1394
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1395
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1396
libopenjpeg_decoder_deps="libopenjpeg"
1397
libschroedinger_decoder_deps="libschroedinger"
1398
libschroedinger_encoder_deps="libschroedinger"
1399
libspeex_decoder_deps="libspeex"
1400
libtheora_encoder_deps="libtheora"
1401
libvorbis_encoder_deps="libvorbis"
1402
libvpx_decoder_deps="libvpx"
1403
libvpx_encoder_deps="libvpx"
1404
libx264_encoder_deps="libx264"
1405
libxavs_encoder_deps="libxavs"
1406
libxvid_encoder_deps="libxvid"
1407

    
1408
# demuxers / muxers
1409
ac3_demuxer_select="ac3_parser"
1410
asf_stream_muxer_select="asf_muxer"
1411
avisynth_demuxer_deps="avisynth"
1412
dirac_demuxer_select="dirac_parser"
1413
eac3_demuxer_select="ac3_parser"
1414
flac_demuxer_select="flac_parser"
1415
ipod_muxer_select="mov_muxer"
1416
libnut_demuxer_deps="libnut"
1417
libnut_muxer_deps="libnut"
1418
matroska_audio_muxer_select="matroska_muxer"
1419
matroska_demuxer_suggest="zlib bzlib"
1420
mov_demuxer_suggest="zlib"
1421
mp3_demuxer_select="mpegaudio_parser"
1422
mp4_muxer_select="mov_muxer"
1423
mpegtsraw_demuxer_select="mpegts_demuxer"
1424
mxf_d10_muxer_select="mxf_muxer"
1425
ogg_demuxer_select="golomb"
1426
psp_muxer_select="mov_muxer"
1427
rtp_demuxer_select="sdp_demuxer"
1428
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1429
rtsp_demuxer_select="http_protocol rtpdec"
1430
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1431
sap_demuxer_select="sdp_demuxer"
1432
sap_muxer_select="rtp_muxer rtp_protocol"
1433
sdp_demuxer_select="rtpdec"
1434
spdif_muxer_select="aac_parser"
1435
tg2_muxer_select="mov_muxer"
1436
tgp_muxer_select="mov_muxer"
1437
w64_demuxer_deps="wav_demuxer"
1438

    
1439
# indevs / outdevs
1440
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1441
alsa_outdev_deps="alsa_asoundlib_h"
1442
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1443
dv1394_indev_deps="dv1394 dv_demuxer"
1444
fbdev_indev_deps="linux_fb_h"
1445
jack_indev_deps="jack_jack_h"
1446
libdc1394_indev_deps="libdc1394"
1447
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1448
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1449
sndio_indev_deps="sndio_h"
1450
sndio_outdev_deps="sndio_h"
1451
v4l_indev_deps="linux_videodev_h"
1452
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1453
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1454
vfwcap_indev_extralibs="-lavicap32"
1455
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1456
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1457

    
1458
# protocols
1459
gopher_protocol_deps="network"
1460
http_protocol_deps="network"
1461
http_protocol_select="tcp_protocol"
1462
mmsh_protocol_select="http_protocol"
1463
mmst_protocol_deps="network"
1464
rtmp_protocol_select="tcp_protocol"
1465
rtp_protocol_select="udp_protocol"
1466
tcp_protocol_deps="network"
1467
udp_protocol_deps="network"
1468

    
1469
# filters
1470
blackframe_filter_deps="gpl"
1471
cropdetect_filter_deps="gpl"
1472
drawtext_filter_deps="libfreetype"
1473
frei0r_filter_deps="frei0r dlopen strtok_r"
1474
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1475
hqdn3d_filter_deps="gpl"
1476
mp_filter_deps="gpl"
1477
ocv_filter_deps="libopencv"
1478
scale_filter_deps="swscale"
1479
yadif_filter_deps="gpl"
1480

    
1481
# libraries
1482
avdevice_deps="avcodec avformat"
1483
avformat_deps="avcodec"
1484

    
1485
# programs
1486
ffmpeg_deps="avcodec avformat swscale"
1487
ffmpeg_select="buffer_filter"
1488
ffplay_deps="avcodec avformat swscale sdl"
1489
ffplay_select="rdft"
1490
ffprobe_deps="avcodec avformat"
1491
ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1492
ffserver_extralibs='$ldl'
1493

    
1494
doc_deps="texi2html"
1495

    
1496
# tests
1497

    
1498
test_deps(){
1499
    suf1=$1
1500
    suf2=$2
1501
    shift 2
1502
    for v; do
1503
        dep=${v%=*}
1504
        tests=${v#*=}
1505
        for name in ${tests}; do
1506
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1507
        done
1508
    done
1509
}
1510

    
1511
set_ne_test_deps(){
1512
    eval ${1}_be_test_deps="bigendian"
1513
    eval ${1}_le_test_deps="!bigendian"
1514
}
1515

    
1516
test_deps _encoder _decoder                                             \
1517
    adpcm_g726=g726                                                     \
1518
    adpcm_ima_qt                                                        \
1519
    adpcm_ima_wav                                                       \
1520
    adpcm_ms                                                            \
1521
    adpcm_swf                                                           \
1522
    adpcm_yamaha=adpcm_yam                                              \
1523
    alac                                                                \
1524
    asv1                                                                \
1525
    asv2                                                                \
1526
    bmp                                                                 \
1527
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1528
    dvvideo="dv dv50"                                                   \
1529
    ffv1                                                                \
1530
    flac                                                                \
1531
    flashsv                                                             \
1532
    flv                                                                 \
1533
    gif                                                                 \
1534
    h261                                                                \
1535
    h263="h263 h263p"                                                   \
1536
    huffyuv                                                             \
1537
    jpegls                                                              \
1538
    mjpeg="jpg mjpeg ljpeg"                                             \
1539
    mp2                                                                 \
1540
    mpeg1video="mpeg mpeg1b"                                            \
1541
    mpeg2video="mpeg2 mpeg2thread"                                      \
1542
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1543
    msmpeg4v3=msmpeg4                                                   \
1544
    msmpeg4v2                                                           \
1545
    pbm=pbmpipe                                                         \
1546
    pcx                                                                 \
1547
    pgm="pgm pgmpipe"                                                   \
1548
    png                                                                 \
1549
    ppm="ppm ppmpipe"                                                   \
1550
    rawvideo="rgb yuv"                                                  \
1551
    roq                                                                 \
1552
    rv10                                                                \
1553
    rv20                                                                \
1554
    sgi                                                                 \
1555
    snow="snow snowll"                                                  \
1556
    svq1                                                                \
1557
    targa=tga                                                           \
1558
    tiff                                                                \
1559
    wmav1                                                               \
1560
    wmav2                                                               \
1561
    wmv1                                                                \
1562
    wmv2                                                                \
1563

    
1564
test_deps _muxer _demuxer                                               \
1565
    aiff                                                                \
1566
    pcm_alaw=alaw                                                       \
1567
    asf                                                                 \
1568
    au                                                                  \
1569
    avi                                                                 \
1570
    dv=dv_fmt                                                           \
1571
    ffm                                                                 \
1572
    flv=flv_fmt                                                         \
1573
    gxf                                                                 \
1574
    matroska=mkv                                                        \
1575
    mmf                                                                 \
1576
    mov                                                                 \
1577
    pcm_mulaw=mulaw                                                     \
1578
    mxf                                                                 \
1579
    nut                                                                 \
1580
    ogg                                                                 \
1581
    rawvideo=pixfmt                                                     \
1582
    rm                                                                  \
1583
    swf                                                                 \
1584
    mpegts=ts                                                           \
1585
    voc                                                                 \
1586
    wav                                                                 \
1587
    yuv4mpegpipe=yuv4mpeg                                               \
1588

    
1589
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1590
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1591

    
1592
set_ne_test_deps pixdesc
1593
set_ne_test_deps pixfmts_copy
1594
set_ne_test_deps pixfmts_crop
1595
set_ne_test_deps pixfmts_hflip
1596
set_ne_test_deps pixfmts_null
1597
set_ne_test_deps pixfmts_pad
1598
set_ne_test_deps pixfmts_scale
1599
set_ne_test_deps pixfmts_vflip
1600

    
1601
# default parameters
1602

    
1603
logfile="config.log"
1604

    
1605
# installation paths
1606
prefix_default="/usr/local"
1607
bindir_default='${prefix}/bin'
1608
datadir_default='${prefix}/share/ffmpeg'
1609
incdir_default='${prefix}/include'
1610
libdir_default='${prefix}/lib'
1611
mandir_default='${prefix}/share/man'
1612
shlibdir_default="$libdir_default"
1613

    
1614
# toolchain
1615
ar_default="ar"
1616
cc_default="gcc"
1617
cc_version=\"unknown\"
1618
host_cc_default="gcc"
1619
ln_s="ln -sf"
1620
nm_default="nm"
1621
objformat="elf"
1622
pkg_config_default=pkg-config
1623
ranlib="ranlib"
1624
yasmexe="yasm"
1625
nogas=":"
1626

    
1627
nm_opts='-g'
1628

    
1629
# machine
1630
arch_default=$(uname -m)
1631
cpu="generic"
1632

    
1633
# OS
1634
target_os_default=$(tolower $(uname -s))
1635
host_os=$target_os_default
1636

    
1637
# configurable options
1638
enable avcodec
1639
enable avdevice
1640
enable avfilter
1641
enable avformat
1642
enable avutil
1643
enable asm
1644
enable debug
1645
enable doc
1646
enable fastdiv
1647
enable ffmpeg
1648
enable ffplay
1649
enable ffprobe
1650
enable ffserver
1651
enable mpegaudio_hp
1652
enable network
1653
enable optimizations
1654
enable protocols
1655
enable static
1656
enable swscale
1657
enable swscale_alpha
1658

    
1659
# build settings
1660
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1661
FFSERVERLDFLAGS=-Wl,-E
1662
LIBPREF="lib"
1663
LIBSUF=".a"
1664
FULLNAME='$(NAME)$(BUILDSUF)'
1665
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1666
SLIBPREF="lib"
1667
SLIBSUF=".so"
1668
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1669
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1670
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1671
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1672

    
1673
CC_O='-o $@'
1674

    
1675
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1676
host_libs='-lm'
1677

    
1678
target_path='$(CURDIR)'
1679

    
1680
# since the object filename is not given with the -MM flag, the compiler
1681
# is only able to print the basename, and we must add the path ourselves
1682
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1683
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1684

    
1685
# find source path
1686
source_path="$(dirname "$0")"
1687
enable source_path_used
1688
if test -f configure; then
1689
    source_path="$(pwd)"
1690
    disable source_path_used
1691
else
1692
    source_path="$(cd "$source_path"; pwd)"
1693
    echo "$source_path" | grep -q '[[:blank:]]' &&
1694
        die "Out of tree builds are impossible with whitespace in source path."
1695
    test -e "$source_path/config.h" &&
1696
        die "Out of tree builds are impossible with config.h in source dir."
1697
fi
1698

    
1699
for v in "$@"; do
1700
    r=${v#*=}
1701
    l=${v%"$r"}
1702
    r=$(sh_quote "$r")
1703
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1704
done
1705

    
1706
find_things(){
1707
    thing=$1
1708
    pattern=$2
1709
    file=$source_path/$3
1710
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1711
}
1712

    
1713
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1714
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1715
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1716
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1717
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1718
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1719
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1720
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1721
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1722
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1723
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1724

    
1725
find_tests(){
1726
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1727
}
1728

    
1729
ACODEC_TESTS=$(find_tests acodec)
1730
VCODEC_TESTS=$(find_tests vsynth1)
1731
LAVF_TESTS=$(find_tests lavf)
1732
LAVFI_TESTS=$(find_tests lavfi)
1733
SEEK_TESTS=$(find_tests seek seek_)
1734

    
1735
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1736

    
1737
for n in $COMPONENT_LIST; do
1738
    v=$(toupper ${n%s})_LIST
1739
    eval enable \$$v
1740
    eval ${n}_if_any="\$$v"
1741
done
1742

    
1743
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1744

    
1745
die_unknown(){
1746
    echo "Unknown option \"$1\"."
1747
    echo "See $0 --help for available options."
1748
    exit 1
1749
}
1750

    
1751
show_list() {
1752
    suffix=_$1
1753
    shift
1754
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1755
    exit 0
1756
}
1757

    
1758
for opt do
1759
    optval="${opt#*=}"
1760
    case "$opt" in
1761
    --extra-ldflags=*) add_ldflags $optval
1762
    ;;
1763
    --extra-libs=*) add_extralibs $optval
1764
    ;;
1765
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1766
    ;;
1767
    --enable-debug=*) debuglevel="$optval"
1768
    ;;
1769
    --disable-everything)
1770
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1771
    ;;
1772
    --enable-*=*|--disable-*=*)
1773
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1774
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1775
    eval list=\$$(toupper $thing)_LIST
1776
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1777
    $action $(filter "$name" $list)
1778
    ;;
1779
    --enable-?*|--disable-?*)
1780
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1781
    if is_in $option $COMPONENT_LIST; then
1782
        test $action = disable && action=unset
1783
        eval $action \$$(toupper ${option%s})_LIST
1784
    elif is_in $option $CMDLINE_SELECT; then
1785
        $action $option
1786
    else
1787
        die_unknown $opt
1788
    fi
1789
    ;;
1790
    --list-*)
1791
        NAME="${opt#--list-}"
1792
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1793
        NAME=${NAME%s}
1794
        eval show_list $NAME \$$(toupper $NAME)_LIST
1795
    ;;
1796
    --help|-h) show_help
1797
    ;;
1798
    *)
1799
    optname="${opt%%=*}"
1800
    optname="${optname#--}"
1801
    optname=$(echo "$optname" | sed 's/-/_/g')
1802
    if is_in $optname $CMDLINE_SET; then
1803
        eval $optname='$optval'
1804
    elif is_in $optname $CMDLINE_APPEND; then
1805
        append $optname "$optval"
1806
    else
1807
         die_unknown $opt
1808
    fi
1809
    ;;
1810
    esac
1811
done
1812

    
1813
disabled logging && logfile=/dev/null
1814

    
1815
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1816
set >> $logfile
1817

    
1818
test -n "$cross_prefix" && enable cross_compile
1819

    
1820
if enabled cross_compile; then
1821
    test -n "$arch" && test -n "$target_os" ||
1822
        die "Must specify target arch and OS when cross-compiling"
1823
fi
1824

    
1825
set_default arch target_os
1826

    
1827
ar_default="${cross_prefix}${ar_default}"
1828
cc_default="${cross_prefix}${cc_default}"
1829
nm_default="${cross_prefix}${nm_default}"
1830
pkg_config_default="${cross_prefix}${pkg_config_default}"
1831
ranlib="${cross_prefix}${ranlib}"
1832

    
1833
sysinclude_default="${sysroot}/usr/include"
1834

    
1835
set_default cc nm pkg_config sysinclude
1836
enabled cross_compile || host_cc_default=$cc
1837
set_default host_cc
1838

    
1839
exesuf() {
1840
    case $1 in
1841
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1842
    esac
1843
}
1844

    
1845
EXESUF=$(exesuf $target_os)
1846
HOSTEXESUF=$(exesuf $host_os)
1847

    
1848
# set temporary file name
1849
: ${TMPDIR:=$TEMPDIR}
1850
: ${TMPDIR:=$TMP}
1851
: ${TMPDIR:=/tmp}
1852

    
1853
if ! check_cmd mktemp -u XXXXXX; then
1854
    # simple replacement for missing mktemp
1855
    # NOT SAFE FOR GENERAL USE
1856
    mktemp(){
1857
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1858
    }
1859
fi
1860

    
1861
tmpfile(){
1862
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1863
        (set -C; exec > $tmp) 2>/dev/null ||
1864
        die "Unable to create temporary file in $TMPDIR."
1865
    append TMPFILES $tmp
1866
    eval $1=$tmp
1867
}
1868

    
1869
trap 'rm -f -- $TMPFILES' EXIT
1870

    
1871
tmpfile TMPC  .c
1872
tmpfile TMPE  $EXESUF
1873
tmpfile TMPH  .h
1874
tmpfile TMPO  .o
1875
tmpfile TMPS  .S
1876
tmpfile TMPV  .ver
1877
tmpfile TMPSH .sh
1878
tmpfile TMPASM .asm
1879

    
1880
unset -f mktemp
1881

    
1882
chmod +x $TMPE
1883

    
1884
# make sure we can execute files in $TMPDIR
1885
cat > $TMPSH 2>> $logfile <<EOF
1886
#! /bin/sh
1887
EOF
1888
chmod +x $TMPSH >> $logfile 2>&1
1889
if ! $TMPSH >> $logfile 2>&1; then
1890
    cat <<EOF
1891
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1892
variable to another directory and make sure that it is not mounted noexec.
1893
EOF
1894
    die "Sanity test failed."
1895
fi
1896

    
1897
filter_cflags=echo
1898
filter_cppflags=echo
1899
filter_asflags=echo
1900

    
1901
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1902
    cc_type=llvm_gcc
1903
    cc_version=__VERSION__
1904
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1905
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1906
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1907
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1908
    speed_cflags='-O3'
1909
    size_cflags='-Os'
1910
elif $cc -v 2>&1 | grep -qi ^gcc; then
1911
    cc_type=gcc
1912
    cc_version=__VERSION__
1913
    gcc_version=$($cc --version | head -n1)
1914
    gcc_basever=$($cc -dumpversion)
1915
    gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1916
    gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1917
    cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1918
    if ! $cc -dumpversion | grep -q '^2\.'; then
1919
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1920
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1921
    fi
1922
    speed_cflags='-O3'
1923
    size_cflags='-Os'
1924
elif $cc --version 2>/dev/null | grep -q Intel; then
1925
    cc_type=icc
1926
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1927
    cc_ident=$($cc --version | head -n1)
1928
    icc_version=$($cc -dumpversion)
1929
    CC_DEPFLAGS='-MMD'
1930
    AS_DEPFLAGS='-MMD'
1931
    speed_cflags='-O3'
1932
    size_cflags='-Os'
1933
    noopt_cflags='-O1'
1934
elif $cc -v 2>&1 | grep -q xlc; then
1935
    cc_type=xlc
1936
    cc_version="AV_STRINGIFY(__IBMC__)"
1937
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1938
    speed_cflags='-O5'
1939
    size_cflags='-O5 -qcompact'
1940
elif $cc -V 2>/dev/null | grep -q Compaq; then
1941
    cc_type=ccc
1942
    cc_version="AV_STRINGIFY(__DECC_VER)"
1943
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1944
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1945
    debuglevel=3
1946
    add_ldflags -Wl,-z,now # calls to libots crash without this
1947
    speed_cflags='-fast'
1948
    size_cflags='-O1'
1949
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1950
    test -d "$sysroot" || die "No valid sysroot specified."
1951
    cc_type=armcc
1952
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1953
    cc_ident=$($cc --vsn | head -n1)
1954
    armcc_conf="$PWD/armcc.conf"
1955
    $cc --arm_linux_configure                 \
1956
        --arm_linux_config_file="$armcc_conf" \
1957
        --configure_sysroot="$sysroot"        \
1958
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1959
        die "Error creating armcc configuration file."
1960
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1961
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1962
    as_default="${cross_prefix}gcc"
1963
    CC_DEPFLAGS='-MMD'
1964
    AS_DEPFLAGS='-MMD'
1965
    speed_cflags='-O3'
1966
    size_cflags='-Os'
1967
    filter_asflags="filter_out -W${armcc_opt}*"
1968
elif $cc -version 2>/dev/null | grep -q TMS470; then
1969
    cc_type=tms470
1970
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1971
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1972
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1973
    CC_O='-fr=$(@D)'
1974
    as_default="${cross_prefix}gcc"
1975
    ld_default="${cross_prefix}gcc"
1976
    TMPO=$(basename $TMPC .c).o
1977
    append TMPFILES $TMPO
1978
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1979
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1980
    AS_DEPFLAGS='-MMD'
1981
    speed_cflags='-O3 -mf=5'
1982
    size_cflags='-O3 -mf=2'
1983
    filter_cflags=tms470_flags
1984
    tms470_flags(){
1985
        for flag; do
1986
            case $flag in
1987
                -march=*|-mcpu=*)
1988
                    case "${flag#*=}" in
1989
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1990
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1991
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1992
                        armv6*|arm11*)          echo -mv=6   ;;
1993
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1994
                                                echo -mv=5e  ;;
1995
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1996
                    esac
1997
                    ;;
1998
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1999
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
2000
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2001
                -msoft-float)   echo --float_support=vfplib       ;;
2002
                -O[0-3]|-mf=*)  echo $flag                        ;;
2003
                -g)             echo -g -mn                       ;;
2004
                -pds=*)         echo $flag                        ;;
2005
            esac
2006
        done
2007
    }
2008
elif $cc -v 2>&1 | grep -q clang; then
2009
    cc_type=clang
2010
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
2011
        cc_version=__clang_version__ || cc_version=__VERSION__
2012
    cc_ident=$($cc --version | head -n1)
2013
    CC_DEPFLAGS='-MMD'
2014
    AS_DEPFLAGS='-MMD'
2015
    speed_cflags='-O3'
2016
    size_cflags='-Os'
2017
elif $cc -V 2>&1 | grep -q Sun; then
2018
    cc_type=suncc
2019
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
2020
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2021
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2022
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2023
    speed_cflags='-O5'
2024
    size_cflags='-O5 -xspace'
2025
    filter_cflags=suncc_flags
2026
    suncc_flags(){
2027
        for flag; do
2028
            case $flag in
2029
                -march=*|-mcpu=*)
2030
                    case "${flag#*=}" in
2031
                        native)                   echo -xtarget=native       ;;
2032
                        v9|niagara)               echo -xarch=sparc          ;;
2033
                        ultrasparc)               echo -xarch=sparcvis       ;;
2034
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2035
                        i586|pentium)             echo -xchip=pentium        ;;
2036
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2037
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2038
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2039
                        pentium4*)          echo -xtarget=pentium4           ;;
2040
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2041
                        *-sse3)             echo -xarch=sse3                 ;;
2042
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
2043
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2044
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2045
                        k8|opteron|athlon64|athlon-fx)
2046
                                                  echo -xarch=sse2a          ;;
2047
                        athlon*)                  echo -xarch=pentium_proa   ;;
2048
                    esac
2049
                    ;;
2050
                -std=c99)             echo -xc99              ;;
2051
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
2052
                -fPIC)                echo -KPIC -xcode=pic32 ;;
2053
                -W*,*)                echo $flag              ;;
2054
                -f*-*|-W*)                                    ;;
2055
                *)                    echo $flag              ;;
2056
            esac
2057
        done
2058
    }
2059
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2060
    cc_type=pathscale
2061
    cc_version=__PATHSCALE__
2062
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2063
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2064
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2065
    speed_cflags='-O2'
2066
    size_cflags='-Os'
2067
elif $cc -v 2>&1 | grep -q Open64; then
2068
    cc_type=open64
2069
    cc_version=__OPEN64__
2070
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2071
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2072
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2073
    speed_cflags='-O2'
2074
    size_cflags='-Os'
2075
fi
2076

    
2077
test -n "$cc_type" && enable $cc_type ||
2078
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2079

    
2080
: ${as_default:=$cc}
2081
: ${dep_cc_default:=$cc}
2082
: ${ld_default:=$cc}
2083
set_default ar as dep_cc ld
2084

    
2085
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2086
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2087

    
2088
add_cflags $extra_cflags
2089
add_asflags $extra_cflags
2090

    
2091
if test -n "$sysroot"; then
2092
    case "$cc_type" in
2093
        gcc|llvm_gcc|clang)
2094
            add_cppflags --sysroot="$sysroot"
2095
            add_ldflags --sysroot="$sysroot"
2096
        ;;
2097
        tms470)
2098
            add_cppflags -I"$sysinclude"
2099
            add_ldflags  --sysroot="$sysroot"
2100
        ;;
2101
    esac
2102
fi
2103

    
2104
if test "$cpu" = host; then
2105
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2106

    
2107
    case "$cc_type" in
2108
        gcc|llvm_gcc)
2109
            check_native(){
2110
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2111
                sed -n "/$1=/{
2112
                            s/.*$1=\\([^ ]*\\).*/\\1/
2113
                            p
2114
                            q
2115
                        }" $TMPE
2116
            }
2117
            cpu=$(check_native -march || check_native -mcpu)
2118
        ;;
2119
    esac
2120

    
2121
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2122
fi
2123

    
2124
# Deal with common $arch aliases
2125
case "$arch" in
2126
    arm*)
2127
        arch="arm"
2128
    ;;
2129
    mips|mipsel|IP*)
2130
        arch="mips"
2131
    ;;
2132
    mips64*)
2133
        arch="mips"
2134
        subarch="mips64"
2135
    ;;
2136
    parisc|hppa)
2137
        arch="parisc"
2138
    ;;
2139
    parisc64|hppa64)
2140
        arch="parisc"
2141
        subarch="parisc64"
2142
    ;;
2143
    "Power Macintosh"|ppc|powerpc)
2144
        arch="ppc"
2145
    ;;
2146
    ppc64|powerpc64)
2147
        arch="ppc"
2148
        subarch="ppc64"
2149
    ;;
2150
    s390|s390x)
2151
        arch="s390"
2152
    ;;
2153
    sh4|sh)
2154
        arch="sh4"
2155
    ;;
2156
    sun4u|sparc64)
2157
        arch="sparc"
2158
        subarch="sparc64"
2159
    ;;
2160
    i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2161
        arch="x86"
2162
    ;;
2163
esac
2164

    
2165
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2166
enable $arch
2167

    
2168
# Add processor-specific flags
2169
if test "$cpu" = generic; then
2170
    : do nothing
2171
elif enabled ppc; then
2172

    
2173
    case $(tolower $cpu) in
2174
        601|ppc601|powerpc601)
2175
            cpuflags="-mcpu=601"
2176
            disable altivec
2177
        ;;
2178
        603*|ppc603*|powerpc603*)
2179
            cpuflags="-mcpu=603"
2180
            disable altivec
2181
        ;;
2182
        604*|ppc604*|powerpc604*)
2183
            cpuflags="-mcpu=604"
2184
            disable altivec
2185
        ;;
2186
        g3|75*|ppc75*|powerpc75*)
2187
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2188
            disable altivec
2189
        ;;
2190
        g4|745*|ppc745*|powerpc745*)
2191
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2192
        ;;
2193
        74*|ppc74*|powerpc74*)
2194
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2195
        ;;
2196
        g5|970|ppc970|powerpc970|power4*)
2197
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2198
        ;;
2199
        cell)
2200
            cpuflags="-mcpu=cell"
2201
            enable ldbrx
2202
        ;;
2203
        e500v2)
2204
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2205
            disable altivec
2206
        ;;
2207
        e500)
2208
            cpuflags="-mcpu=8540 -mhard-float"
2209
            disable altivec
2210
        ;;
2211
    esac
2212

    
2213
elif enabled x86; then
2214

    
2215
    case $cpu in
2216
        i[345]86|pentium)
2217
            cpuflags="-march=$cpu"
2218
            disable mmx
2219
        ;;
2220
        # targets that do NOT support conditional mov (cmov)
2221
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2222
            cpuflags="-march=$cpu"
2223
            disable cmov
2224
        ;;
2225
        # targets that do support conditional mov (cmov)
2226
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2227
            cpuflags="-march=$cpu"
2228
            enable cmov
2229
            enable fast_cmov
2230
        ;;
2231
        # targets that do support conditional mov but on which it's slow
2232
        pentium4|pentium4m|prescott|nocona)
2233
            cpuflags="-march=$cpu"
2234
            enable cmov
2235
            disable fast_cmov
2236
        ;;
2237
    esac
2238

    
2239
elif enabled sparc; then
2240

    
2241
    case $cpu in
2242
        niagara)
2243
            cpuflags="-mcpu=$cpu"
2244
            disable vis
2245
        ;;
2246
        sparc64)
2247
            cpuflags="-mcpu=v9"
2248
        ;;
2249
    esac
2250

    
2251
elif enabled arm; then
2252

    
2253
    case $cpu in
2254
        armv*)
2255
            cpuflags="-march=$cpu"
2256
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2257
        ;;
2258
        *)
2259
            cpuflags="-mcpu=$cpu"
2260
            case $cpu in
2261
                cortex-a*)                               subarch=armv7a  ;;
2262
                cortex-r*)                               subarch=armv7r  ;;
2263
                cortex-m*)                               subarch=armv7m  ;;
2264
                arm11*)                                  subarch=armv6   ;;
2265
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2266
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2267
            esac
2268
        ;;
2269
    esac
2270

    
2271
elif enabled alpha; then
2272

    
2273
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2274

    
2275
elif enabled bfin; then
2276

    
2277
    cpuflags="-mcpu=$cpu"
2278

    
2279
elif enabled mips; then
2280

    
2281
    cpuflags="-march=$cpu"
2282

    
2283
elif enabled avr32; then
2284

    
2285
    case $cpu in
2286
        ap7[02]0[0-2])
2287
            subarch="avr32_ap"
2288
            cpuflags="-mpart=$cpu"
2289
        ;;
2290
        ap)
2291
            subarch="avr32_ap"
2292
            cpuflags="-march=$cpu"
2293
        ;;
2294
        uc3[ab]*)
2295
            subarch="avr32_uc"
2296
            cpuflags="-mcpu=$cpu"
2297
        ;;
2298
        uc)
2299
            subarch="avr32_uc"
2300
            cpuflags="-march=$cpu"
2301
        ;;
2302
    esac
2303

    
2304
fi
2305

    
2306
add_cflags $cpuflags
2307
add_asflags $cpuflags
2308

    
2309
# compiler sanity check
2310
check_exec <<EOF
2311
int main(void){ return 0; }
2312
EOF
2313
if test "$?" != 0; then
2314
    echo "$cc is unable to create an executable file."
2315
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2316
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2317
        echo "Only do this if you know what cross compiling means."
2318
    fi
2319
    die "C compiler test failed."
2320
fi
2321

    
2322
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2323
check_cflags -std=c99
2324
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2325
#include <stdlib.h>
2326
EOF
2327
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2328
#include <stdlib.h>
2329
EOF
2330

    
2331
check_host_cflags -std=c99
2332

    
2333
case "$arch" in
2334
    alpha|ia64|mips|parisc|sparc)
2335
        spic=$shared
2336
    ;;
2337
    x86)
2338
        subarch="x86_32"
2339
        check_cc <<EOF && subarch="x86_64"
2340
        int test[(int)sizeof(char*) - 7];
2341
EOF
2342
        if test "$subarch" = "x86_64"; then
2343
            spic=$shared
2344
        fi
2345
    ;;
2346
esac
2347

    
2348
enable $subarch
2349
enabled spic && enable pic
2350

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

    
2506
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2507

    
2508
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2509

    
2510
set_default $PATHS_LIST
2511

    
2512
# we need to build at least one lib type
2513
if ! enabled_any static shared; then
2514
    cat <<EOF
2515
At least one library type must be built.
2516
Specify --enable-static to build the static libraries or --enable-shared to
2517
build the shared libraries as well. To only build the shared libraries specify
2518
--disable-static in addition to --enable-shared.
2519
EOF
2520
    exit 1;
2521
fi
2522

    
2523
disabled static && LIBNAME=""
2524

    
2525
die_license_disabled() {
2526
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2527
}
2528

    
2529
die_license_disabled gpl libx264
2530
die_license_disabled gpl libxavs
2531
die_license_disabled gpl libxvid
2532
die_license_disabled gpl postproc
2533
die_license_disabled gpl x11grab
2534

    
2535
die_license_disabled nonfree libfaac
2536

    
2537
die_license_disabled version3 libopencore_amrnb
2538
die_license_disabled version3 libopencore_amrwb
2539

    
2540
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2541

    
2542
disabled optimizations || check_cflags -fomit-frame-pointer
2543

    
2544
enable_pic() {
2545
    enable pic
2546
    add_cppflags -DPIC
2547
    add_cflags   -fPIC
2548
    add_asflags  -fPIC
2549
}
2550

    
2551
enabled pic && enable_pic
2552

    
2553
check_cc <<EOF || die "Symbol mangling check failed."
2554
int ff_extern;
2555
EOF
2556
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2557
extern_prefix=${sym%%ff_extern*}
2558

    
2559
check_cc <<EOF && enable inline_asm
2560
void foo(void) { __asm__ volatile ("" ::); }
2561
EOF
2562

    
2563
_restrict=
2564
for restrict_keyword in restrict __restrict__ __restrict; do
2565
    check_cc <<EOF && _restrict=$restrict_keyword && break
2566
void foo(char * $restrict_keyword p);
2567
EOF
2568
done
2569

    
2570
check_cc <<EOF && enable attribute_packed
2571
struct { int x; } __attribute__((packed)) x;
2572
EOF
2573

    
2574
check_cc <<EOF && enable attribute_may_alias
2575
union { int x; } __attribute__((may_alias)) x;
2576
EOF
2577

    
2578
check_cc <<EOF || die "endian test failed"
2579
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2580
EOF
2581
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2582

    
2583
if enabled alpha; then
2584

    
2585
    check_cflags -mieee
2586

    
2587
elif enabled arm; then
2588

    
2589
    check_cflags -marm
2590
    nogas=die
2591

    
2592
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2593
        enable vfp_args
2594
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2595
        case "${cross_prefix:-$cc}" in
2596
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2597
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2598
__asm__ (".eabi_attribute 28, 1");
2599
int main(void) { return 0; }
2600
EOF
2601
        esac
2602
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2603
    fi
2604

    
2605
    # We have to check if pld is a nop and disable it.
2606
    check_asm pld '"pld [r0]"'
2607

    
2608
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2609
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2610
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2611
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2612
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2613
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2614

    
2615
    enabled_all armv6t2 shared !pic && enable_pic
2616

    
2617
elif enabled mips; then
2618

    
2619
    check_asm loongson '"dmult.g $1, $2, $3"'
2620
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2621

    
2622
elif enabled ppc; then
2623

    
2624
    enable local_aligned_8 local_aligned_16
2625

    
2626
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2627
    check_asm ibm_asm   '"add 0, 0, 0"'
2628
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2629
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2630

    
2631
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2632
    if enabled altivec; then
2633
        nogas=warn
2634
        check_cflags -maltivec -mabi=altivec &&
2635
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2636
        check_cflags -faltivec
2637

    
2638
        # check if our compiler supports Motorola AltiVec C API
2639
        check_cc <<EOF || disable altivec
2640
$inc_altivec_h
2641
int main(void) {
2642
    vector signed int v1, v2, v3;
2643
    v1 = vec_add(v2,v3);
2644
    return 0;
2645
}
2646
EOF
2647

    
2648
        # check if our compiler supports braces for vector declarations
2649
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2650
$inc_altivec_h
2651
int main (void) { (vector int) {1}; return 0; }
2652
EOF
2653
    fi
2654

    
2655
elif enabled sparc; then
2656

    
2657
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2658
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2659

    
2660
elif enabled x86; then
2661

    
2662
    enable local_aligned_8 local_aligned_16
2663

    
2664
    # check whether EBP is available on x86
2665
    # As 'i' is stored on the stack, this program will crash
2666
    # if the base pointer is used to access it because the
2667
    # base pointer is cleared in the inline assembly code.
2668
    check_exec_crash <<EOF && enable ebp_available
2669
    volatile int i=0;
2670
    __asm__ volatile (
2671
        "xorl %%ebp, %%ebp"
2672
    ::: "%ebp");
2673
    return i;
2674
EOF
2675

    
2676
    # check whether EBX is available on x86
2677
    check_asm ebx_available '""::"b"(0)' &&
2678
        check_asm ebx_available '"":::"%ebx"'
2679

    
2680
    # check whether xmm clobbers are supported
2681
    check_asm xmm_clobbers '"":::"%xmm0"'
2682

    
2683
    # check whether more than 10 operands are supported
2684
    check_cc <<EOF && enable ten_operands
2685
int main(void) {
2686
    int x=0;
2687
    __asm__ volatile(
2688
        ""
2689
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2690
    );
2691
    return 0;
2692
}
2693
EOF
2694

    
2695
    # check whether binutils is new enough to compile SSSE3/MMX2
2696
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2697
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2698

    
2699
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2700

    
2701
    if ! disabled_any asm mmx yasm; then
2702
        if check_cmd $yasmexe --version; then
2703
            enabled x86_64 && yasm_extra="-m amd64"
2704
            yasm_debug="-g dwarf2"
2705
        elif check_cmd nasm -v; then
2706
            yasmexe=nasm
2707
            yasm_debug="-g -F dwarf"
2708
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2709
        fi
2710

    
2711
        YASMFLAGS="-f $objformat $yasm_extra"
2712
        enabled pic               && append YASMFLAGS "-DPIC"
2713
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2714
        case "$objformat" in
2715
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2716
        esac
2717

    
2718
        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2719
            die "yasm not found, use --disable-yasm for a crippled build"
2720
        check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2721
    fi
2722

    
2723
    case "$cpu" in
2724
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2725
            disable fast_clz
2726
        ;;
2727
    esac
2728

    
2729
fi
2730

    
2731
if enabled asm; then
2732
    as=${gas:=$as}
2733
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2734
        $nogas "GNU assembler not found, install gas-preprocessor"
2735
fi
2736

    
2737
check_ldflags -Wl,--as-needed
2738

    
2739
if check_func dlopen; then
2740
    ldl=
2741
elif check_func dlopen -ldl; then
2742
    ldl=-ldl
2743
fi
2744

    
2745
if enabled network; then
2746
    check_type "sys/types.h sys/socket.h" socklen_t
2747
    check_type netdb.h "struct addrinfo"
2748
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2749
    check_type netinet/in.h "struct sockaddr_in6"
2750
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2751
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2752
    # Prefer arpa/inet.h over winsock2
2753
    if check_header arpa/inet.h ; then
2754
        check_func closesocket
2755
    elif check_header winsock2.h ; then
2756
        check_func_headers winsock2.h closesocket -lws2 && \
2757
            network_extralibs="-lws2" || \
2758
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2759
            network_extralibs="-lws2_32"; }
2760
        check_type ws2tcpip.h socklen_t
2761
        check_type ws2tcpip.h "struct addrinfo"
2762
        check_type ws2tcpip.h "struct ipv6_mreq"
2763
        check_type ws2tcpip.h "struct sockaddr_in6"
2764
        check_type ws2tcpip.h "struct sockaddr_storage"
2765
        check_struct winsock2.h "struct sockaddr" sa_len
2766
    else
2767
        disable network
2768
    fi
2769
fi
2770

    
2771
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2772
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2773

    
2774
check_func  fcntl
2775
check_func  fork
2776
check_func  getaddrinfo $network_extralibs
2777
check_func  gethrtime
2778
check_func  getrusage
2779
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2780
check_func  inet_aton $network_extralibs
2781
check_func  isatty
2782
check_func  localtime_r
2783
check_func  ${malloc_prefix}memalign            && enable memalign
2784
check_func  mkstemp
2785
check_func  mmap
2786
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2787
check_func  setrlimit
2788
check_func  strerror_r
2789
check_func  strtok_r
2790
check_func_headers conio.h kbhit
2791
check_func_headers io.h setmode
2792
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2793
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2794
check_func_headers windows.h GetProcessTimes
2795
check_func_headers windows.h MapViewOfFile
2796
check_func_headers windows.h VirtualAlloc
2797

    
2798
check_header dlfcn.h
2799
check_header dxva2api.h
2800
check_header libcrystalhd/libcrystalhd_if.h
2801
check_header malloc.h
2802
check_header poll.h
2803
check_header sys/mman.h
2804
check_header sys/resource.h
2805
check_header sys/select.h
2806
check_header vdpau/vdpau.h
2807
check_header vdpau/vdpau_x11.h
2808
check_header X11/extensions/XvMClib.h
2809

    
2810
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2811

    
2812
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2813
     enabled_any $need_memalign ; then
2814
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2815
fi
2816

    
2817
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2818
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2819

    
2820
# check for some common methods of building with pthread support
2821
# do this before the optional library checks as some of them require pthreads
2822
if ! disabled pthreads && ! enabled w32threads; then
2823
    enable pthreads
2824
    if check_func pthread_create; then
2825
        :
2826
    elif check_func pthread_create -pthread; then
2827
        add_cflags -pthread
2828
        add_extralibs -pthread
2829
    elif check_func pthread_create -pthreads; then
2830
        add_cflags -pthreads
2831
        add_extralibs -pthreads
2832
    elif check_func pthread_create -lpthreadGC2; then
2833
        add_extralibs -lpthreadGC2
2834
    elif ! check_lib pthread.h pthread_create -lpthread; then
2835
        disable pthreads
2836
    fi
2837
fi
2838

    
2839
for thread in $THREADS_LIST; do
2840
    if enabled $thread; then
2841
        test -n "$thread_type" &&
2842
            die "ERROR: Only one thread type must be selected." ||
2843
            thread_type="$thread"
2844
    fi
2845
done
2846

    
2847
check_lib math.h sin -lm
2848
disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
2849

    
2850
check_mathfunc exp2
2851
check_mathfunc exp2f
2852
check_mathfunc llrint
2853
check_mathfunc llrintf
2854
check_mathfunc log2
2855
check_mathfunc log2f
2856
check_mathfunc lrint
2857
check_mathfunc lrintf
2858
check_mathfunc round
2859
check_mathfunc roundf
2860
check_mathfunc truncf
2861

    
2862
# these are off by default, so fail if requested and not available
2863
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2864
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2865
enabled libdirac   && require_pkg_config dirac                          \
2866
    "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
2867
    "dirac_decoder_init dirac_encoder_init"
2868
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2869
enabled libfreetype && add_cflags $(pkg-config --cflags freetype2) && require libfreetype ft2build.h FT_Init_FreeType -lfreetype
2870
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2871
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2872
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2873
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2874
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2875
enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2876
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2877
enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2878
enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2879
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2880
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2881
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2882
enabled libvpx     && {
2883
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2884
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2885
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2886
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2887
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2888
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2889
                        die "ERROR: libx264 version must be >= 0.99."; }
2890
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2891
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2892
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2893

    
2894
# libdc1394 check
2895
if enabled libdc1394; then
2896
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2897
        enable libdc1394_2; } ||
2898
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2899
        enable libdc1394_1; } ||
2900
    die "ERROR: No version of libdc1394 found "
2901
fi
2902

    
2903
if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2904
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2905
    enable sdl &&
2906
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2907
fi
2908

    
2909
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2910

    
2911
check_header linux/fb.h
2912
check_header linux/videodev.h
2913
check_header linux/videodev2.h
2914
check_header sys/videoio.h
2915

    
2916
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2917
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2918
# w32api 3.12 had it defined wrong
2919
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2920

    
2921
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2922
{ check_header dev/bktr/ioctl_meteor.h &&
2923
  check_header dev/bktr/ioctl_bt848.h; } ||
2924
{ check_header machine/ioctl_meteor.h &&
2925
  check_header machine/ioctl_bt848.h; } ||
2926
{ check_header dev/video/meteor/ioctl_meteor.h &&
2927
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2928
check_header dev/ic/bt8xx.h
2929

    
2930
check_header sndio.h
2931
check_header sys/soundcard.h
2932
check_header soundcard.h
2933

    
2934
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2935

    
2936
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2937

    
2938
enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2939

    
2940
enabled x11grab                         &&
2941
check_header X11/Xlib.h                 &&
2942
check_header X11/extensions/XShm.h      &&
2943
check_header X11/extensions/Xfixes.h    &&
2944
check_func XOpenDisplay -lX11           &&
2945
check_func XShmCreateImage -lX11 -lXext &&
2946
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2947

    
2948
disabled vaapi || check_lib va/va.h vaInitialize -lva || disable vaapi
2949

    
2950
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2951
check_cpp_condition \
2952
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2953
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2954
      disable vdpau; }
2955
fi
2956

    
2957
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2958

    
2959
# add some useful compiler flags if supported
2960
check_cflags -Wdeclaration-after-statement
2961
check_cflags -Wall
2962
check_cflags -Wno-parentheses
2963
check_cflags -Wno-switch
2964
check_cflags -Wdisabled-optimization
2965
check_cflags -Wpointer-arith
2966
check_cflags -Wredundant-decls
2967
check_cflags -Wno-pointer-sign
2968
check_cflags -Wcast-qual
2969
check_cflags -Wwrite-strings
2970
check_cflags -Wtype-limits
2971
check_cflags -Wundef
2972
check_cflags -Wmissing-prototypes
2973
enabled extra_warnings && check_cflags -Winline
2974

    
2975
# add some linker flags
2976
check_ldflags -Wl,--warn-common
2977
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'
2978
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2979

    
2980
echo "X{};" > $TMPV
2981
if test_ldflags -Wl,--version-script,$TMPV; then
2982
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2983
    check_cc <<EOF && enable symver_asm_label
2984
void ff_foo(void) __asm__ ("av_foo@VERSION");
2985
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2986
EOF
2987
    check_cc <<EOF && enable symver_gnu_asm
2988
__asm__(".symver ff_foo,av_foo@VERSION");
2989
void ff_foo(void) {}
2990
EOF
2991
fi
2992

    
2993
if enabled small; then
2994
    add_cflags $size_cflags
2995
    optimizations="small"
2996
elif enabled optimizations; then
2997
    add_cflags $speed_cflags
2998
else
2999
    add_cflags $noopt_cflags
3000
fi
3001
check_cflags -fno-math-errno
3002
check_cflags -fno-signed-zeros
3003

    
3004
if enabled icc; then
3005
    # Just warnings, no remarks
3006
    check_cflags -w1
3007
    # -wd: Disable following warnings
3008
    # 144, 167, 556: -Wno-pointer-sign
3009
    # 1292: attribute "foo" ignored
3010
    # 10006: ignoring unknown option -fno-signed-zeros
3011
    # 10148: ignoring unknown option -Wno-parentheses
3012
    # 10156: ignoring option '-W'; no argument required
3013
    check_cflags -wd144,167,556,1292,10006,10148,10156
3014
    # 11030: Warning unknown option --as-needed
3015
    # 10156: ignoring option '-export'; no argument required
3016
    check_ldflags -wd10156,11030
3017
    # Allow to compile with optimizations
3018
    check_ldflags -march=$cpu
3019
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3020
    enable ebp_available
3021
    if enabled x86_32; then
3022
        test ${icc_version%%.*} -ge 11 && \
3023
            check_cflags -falign-stack=maintain-16-byte || \
3024
            disable aligned_stack
3025
    fi
3026
elif enabled ccc; then
3027
    # disable some annoying warnings
3028
    add_cflags -msg_disable cvtu32to64
3029
    add_cflags -msg_disable embedcomment
3030
    add_cflags -msg_disable needconstext
3031
    add_cflags -msg_disable nomainieee
3032
    add_cflags -msg_disable ptrmismatch1
3033
    add_cflags -msg_disable unreachcode
3034
elif enabled gcc; then
3035
    check_cflags -fno-tree-vectorize
3036
    check_cflags -Werror=implicit-function-declaration
3037
    check_cflags -Werror=missing-prototypes
3038
elif enabled llvm_gcc; then
3039
    check_cflags -mllvm -stack-alignment=16
3040
elif enabled clang; then
3041
    check_cflags -mllvm -stack-alignment=16
3042
    check_cflags -Qunused-arguments
3043
elif enabled armcc; then
3044
    # 2523: use of inline assembler is deprecated
3045
    add_cflags -W${armcc_opt},--diag_suppress=2523
3046
    add_cflags -W${armcc_opt},--diag_suppress=1207
3047
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3048
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3049
elif enabled tms470; then
3050
    add_cflags -pds=824 -pds=837
3051
elif enabled pathscale; then
3052
    add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3053
fi
3054

    
3055
enabled_any $THREADS_LIST      && enable threads
3056

    
3057
check_deps $CONFIG_LIST       \
3058
           $CONFIG_EXTRA      \
3059
           $HAVE_LIST         \
3060
           $DECODER_LIST      \
3061
           $ENCODER_LIST      \
3062
           $HWACCEL_LIST      \
3063
           $PARSER_LIST       \
3064
           $BSF_LIST          \
3065
           $DEMUXER_LIST      \
3066
           $MUXER_LIST        \
3067
           $FILTER_LIST       \
3068
           $INDEV_LIST        \
3069
           $OUTDEV_LIST       \
3070
           $PROTOCOL_LIST     \
3071
           $ACODEC_TESTS      \
3072
           $VCODEC_TESTS      \
3073
           $LAVF_TESTS        \
3074
           $LAVFI_TESTS       \
3075
           $SEEK_TESTS        \
3076

    
3077
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3078

    
3079
echo "install prefix            $prefix"
3080
echo "source path               $source_path"
3081
echo "C compiler                $cc"
3082
echo "ARCH                      $arch ($cpu)"
3083
if test "$build_suffix" != ""; then
3084
    echo "build suffix              $build_suffix"
3085
fi
3086
if test "$extra_version" != ""; then
3087
    echo "version string suffix     $extra_version"
3088
fi
3089
echo "big-endian                ${bigendian-no}"
3090
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3091
if enabled x86; then
3092
    echo "yasm                      ${yasm-no}"
3093
    echo "MMX enabled               ${mmx-no}"
3094
    echo "MMX2 enabled              ${mmx2-no}"
3095
    echo "3DNow! enabled            ${amd3dnow-no}"
3096
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3097
    echo "SSE enabled               ${sse-no}"
3098
    echo "SSSE3 enabled             ${ssse3-no}"
3099
    echo "CMOV enabled              ${cmov-no}"
3100
    echo "CMOV is fast              ${fast_cmov-no}"
3101
    echo "EBX available             ${ebx_available-no}"
3102
    echo "EBP available             ${ebp_available-no}"
3103
    echo "10 operands supported     ${ten_operands-no}"
3104
fi
3105
if enabled arm; then
3106
    echo "ARMv5TE enabled           ${armv5te-no}"
3107
    echo "ARMv6 enabled             ${armv6-no}"
3108
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3109
    echo "ARM VFP enabled           ${armvfp-no}"
3110
    echo "IWMMXT enabled            ${iwmmxt-no}"
3111
    echo "NEON enabled              ${neon-no}"
3112
fi
3113
if enabled mips; then
3114
    echo "MMI enabled               ${mmi-no}"
3115
fi
3116
if enabled ppc; then
3117
    echo "AltiVec enabled           ${altivec-no}"
3118
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3119
    echo "dcbzl available           ${dcbzl-no}"
3120
fi
3121
if enabled sparc; then
3122
    echo "VIS enabled               ${vis-no}"
3123
fi
3124
echo "debug symbols             ${debug-no}"
3125
echo "optimizations             ${optimizations-no}"
3126
echo "static                    ${static-no}"
3127
echo "shared                    ${shared-no}"
3128
echo "postprocessing support    ${postproc-no}"
3129
echo "new filter support        ${avfilter-no}"
3130
echo "network support           ${network-no}"
3131
echo "threading support         ${thread_type-no}"
3132
echo "SDL support               ${sdl-no}"
3133
echo "Sun medialib support      ${mlib-no}"
3134
echo "AVISynth enabled          ${avisynth-no}"
3135
echo "frei0r enabled            ${frei0r-no}"
3136
echo "libdc1394 support         ${libdc1394-no}"
3137
echo "libdirac enabled          ${libdirac-no}"
3138
echo "libfaac enabled           ${libfaac-no}"
3139
echo "libgsm enabled            ${libgsm-no}"
3140
echo "libmp3lame enabled        ${libmp3lame-no}"
3141
echo "libnut enabled            ${libnut-no}"
3142
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3143
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3144
echo "libopencv support         ${libopencv-no}"
3145
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3146
echo "librtmp enabled           ${librtmp-no}"
3147
echo "libschroedinger enabled   ${libschroedinger-no}"
3148
echo "libspeex enabled          ${libspeex-no}"
3149
echo "libtheora enabled         ${libtheora-no}"
3150
echo "libvorbis enabled         ${libvorbis-no}"
3151
echo "libvpx enabled            ${libvpx-no}"
3152
echo "libx264 enabled           ${libx264-no}"
3153
echo "libxavs enabled           ${libxavs-no}"
3154
echo "libxvid enabled           ${libxvid-no}"
3155
echo "zlib enabled              ${zlib-no}"
3156
echo "bzlib enabled             ${bzlib-no}"
3157
echo
3158

    
3159
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3160
    echo "Enabled ${type}s:"
3161
    eval list=\$$(toupper $type)_LIST
3162
    print_enabled '_*' $list | sort | pr -r -3 -t
3163
    echo
3164
done
3165

    
3166
license="LGPL version 2.1 or later"
3167
if enabled nonfree; then
3168
    license="nonfree and unredistributable"
3169
elif enabled gplv3; then
3170
    license="GPL version 3 or later"
3171
elif enabled lgplv3; then
3172
    license="LGPL version 3 or later"
3173
elif enabled gpl; then
3174
    license="GPL version 2 or later"
3175
fi
3176

    
3177
echo "License: $license"
3178

    
3179
echo "Creating config.mak and config.h..."
3180

    
3181
# build tree in object directory if source path is different from current one
3182
if enabled source_path_used; then
3183
    DIRS="
3184
        doc
3185
        libavcodec
3186
        libavcodec/$arch
3187
        libavdevice
3188
        libavfilter
3189
        libavfilter/$arch
3190
        libavfilter/libmpcodecs
3191
        libavfilter/libmpcodecs/libvo
3192
        libavformat
3193
        libavutil
3194
        libavutil/$arch
3195
        libpostproc
3196
        libswscale
3197
        libswscale/$arch
3198
        tests
3199
        tools
3200
    "
3201
    FILES="
3202
        Makefile
3203
        common.mak
3204
        subdir.mak
3205
        doc/texi2pod.pl
3206
        libavcodec/Makefile
3207
        libavcodec/${arch}/Makefile
3208
        libavdevice/Makefile
3209
        libavfilter/Makefile
3210
        libavfilter/${arch}/Makefile
3211
        libavformat/Makefile
3212
        libavutil/Makefile
3213
        libpostproc/Makefile
3214
        libswscale/Makefile
3215
    "
3216
    map 'mkdir -p $v' $DIRS;
3217
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3218
fi
3219

    
3220
config_files="$TMPH config.mak"
3221

    
3222
cat > config.mak <<EOF
3223
# Automatically generated by configure - do not modify!
3224
ifndef FFMPEG_CONFIG_MAK
3225
FFMPEG_CONFIG_MAK=1
3226
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3227
prefix=$prefix
3228
LIBDIR=\$(DESTDIR)$libdir
3229
SHLIBDIR=\$(DESTDIR)$shlibdir
3230
INCDIR=\$(DESTDIR)$incdir
3231
BINDIR=\$(DESTDIR)$bindir
3232
DATADIR=\$(DESTDIR)$datadir
3233
MANDIR=\$(DESTDIR)$mandir
3234
SRC_PATH="$source_path"
3235
SRC_PATH_BARE=$source_path
3236
BUILD_ROOT="$PWD"
3237
CC_IDENT=$cc_ident
3238
ARCH=$arch
3239
CC=$cc
3240
AS=$as
3241
LD=$ld
3242
DEPCC=$dep_cc
3243
YASM=$yasmexe
3244
YASMDEP=$yasmexe
3245
AR=$ar
3246
RANLIB=$ranlib
3247
LN_S=$ln_s
3248
CPPFLAGS=$CPPFLAGS
3249
CFLAGS=$CFLAGS
3250
ASFLAGS=$ASFLAGS
3251
CC_O=$CC_O
3252
DLLTOOL=$dlltool
3253
LDFLAGS=$LDFLAGS
3254
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3255
SHFLAGS=$SHFLAGS
3256
YASMFLAGS=$YASMFLAGS
3257
BUILDSUF=$build_suffix
3258
FULLNAME=$FULLNAME
3259
LIBPREF=$LIBPREF
3260
LIBSUF=$LIBSUF
3261
LIBNAME=$LIBNAME
3262
SLIBPREF=$SLIBPREF
3263
SLIBSUF=$SLIBSUF
3264
EXESUF=$EXESUF
3265
EXTRA_VERSION=$extra_version
3266
DEPFLAGS=$DEPFLAGS
3267
CCDEP=$CCDEP
3268
ASDEP=$ASDEP
3269
CC_DEPFLAGS=$CC_DEPFLAGS
3270
AS_DEPFLAGS=$AS_DEPFLAGS
3271
HOSTCC=$host_cc
3272
HOSTCFLAGS=$host_cflags
3273
HOSTEXESUF=$HOSTEXESUF
3274
HOSTLDFLAGS=$host_ldflags
3275
HOSTLIBS=$host_libs
3276
TARGET_EXEC=$target_exec
3277
TARGET_PATH=$target_path
3278
SDL_LIBS=$sdl_libs
3279
SDL_CFLAGS=$sdl_cflags
3280
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3281
EXTRALIBS=$extralibs
3282
INSTALL=install
3283
LIBTARGET=${LIBTARGET}
3284
SLIBNAME=${SLIBNAME}
3285
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3286
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3287
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3288
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3289
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3290
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3291
SAMPLES=${samples:-\$(FATE_SAMPLES)}
3292
EOF
3293

    
3294
get_version(){
3295
    name=$1
3296
    file=$source_path/$2
3297
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3298
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3299
    lcname=$(tolower $name)
3300
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3301
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3302
}
3303

    
3304
get_version LIBSWSCALE  libswscale/swscale.h
3305
get_version LIBPOSTPROC libpostproc/postprocess.h
3306
get_version LIBAVCODEC  libavcodec/version.h
3307
get_version LIBAVDEVICE libavdevice/avdevice.h
3308
get_version LIBAVFORMAT libavformat/version.h
3309
get_version LIBAVUTIL   libavutil/avutil.h
3310
get_version LIBAVFILTER libavfilter/avfilter.h
3311

    
3312
cat > $TMPH <<EOF
3313
/* Automatically generated by configure - do not modify! */
3314
#ifndef FFMPEG_CONFIG_H
3315
#define FFMPEG_CONFIG_H
3316
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3317
#define FFMPEG_LICENSE "$(c_escape $license)"
3318
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3319
#define CC_TYPE "$cc_type"
3320
#define CC_VERSION $cc_version
3321
#define restrict $_restrict
3322
#define EXTERN_PREFIX "${extern_prefix}"
3323
#define EXTERN_ASM ${extern_prefix}
3324
#define SLIBSUF "$SLIBSUF"
3325
EOF
3326

    
3327
test -n "$malloc_prefix" &&
3328
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3329

    
3330
if enabled small || disabled optimizations; then
3331
    echo "#undef  av_always_inline"  >> $TMPH
3332
    if enabled small; then
3333
        echo "#define av_always_inline inline"  >> $TMPH
3334
    else
3335
        echo "#define av_always_inline av_unused"  >> $TMPH
3336
    fi
3337
fi
3338

    
3339
if enabled yasm; then
3340
    append config_files $TMPASM
3341
    printf '' >$TMPASM
3342
fi
3343

    
3344
print_config ARCH_   "$config_files" $ARCH_LIST
3345
print_config HAVE_   "$config_files" $HAVE_LIST
3346
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3347
                                     $CONFIG_EXTRA      \
3348
                                     $DECODER_LIST      \
3349
                                     $ENCODER_LIST      \
3350
                                     $HWACCEL_LIST      \
3351
                                     $PARSER_LIST       \
3352
                                     $BSF_LIST          \
3353
                                     $DEMUXER_LIST      \
3354
                                     $MUXER_LIST        \
3355
                                     $FILTER_LIST       \
3356
                                     $PROTOCOL_LIST     \
3357
                                     $INDEV_LIST        \
3358
                                     $OUTDEV_LIST       \
3359

    
3360
cat >>config.mak <<EOF
3361
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3362
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3363
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3364
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3365
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3366
EOF
3367

    
3368
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3369
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3370

    
3371
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3372
cp_if_changed $TMPH config.h
3373
touch .config
3374

    
3375
enabled yasm && cp_if_changed $TMPASM config.asm
3376

    
3377
cat > $TMPH <<EOF
3378
/* Generated by ffconf */
3379
#ifndef AVUTIL_AVCONFIG_H
3380
#define AVUTIL_AVCONFIG_H
3381
EOF
3382

    
3383
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3384

    
3385
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3386

    
3387
cp_if_changed $TMPH libavutil/avconfig.h
3388

    
3389
test -n "$WARNINGS" && printf "\n$WARNINGS"
3390

    
3391
# build pkg-config files
3392

    
3393
pkgconfig_generate(){
3394
name=$1
3395
shortname=${name#lib}${build_suffix}
3396
comment=$2
3397
version=$3
3398
libs=$4
3399
requires=$5
3400
enabled ${name#lib} || return 0
3401
cat <<EOF > $name/$name.pc
3402
prefix=$prefix
3403
exec_prefix=\${prefix}
3404
libdir=$libdir
3405
includedir=$incdir
3406

    
3407
Name: $name
3408
Description: $comment
3409
Version: $version
3410
Requires: $(enabled shared || echo $requires)
3411
Requires.private: $(enabled shared && echo $requires)
3412
Conflicts:
3413
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3414
Libs.private: $(enabled shared && echo $libs)
3415
Cflags: -I\${includedir}
3416
EOF
3417
cat <<EOF > $name/$name-uninstalled.pc
3418
prefix=
3419
exec_prefix=
3420
libdir=\${pcfiledir}
3421
includedir=${source_path}
3422

    
3423
Name: $name
3424
Description: $comment
3425
Version: $version
3426
Requires: $requires
3427
Conflicts:
3428
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3429
Cflags: -I\${includedir}
3430
EOF
3431
}
3432

    
3433
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3434
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
3435
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3436
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3437
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3438
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3439
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"