Statistics
| Branch: | Revision:

ffmpeg / configure @ a4dc7aa5

History | View | Annotate | Download (98.3 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-avcore         disable libavcore build
90
  --disable-avformat       disable libavformat build
91
  --disable-swscale        disable libswscale build
92
  --enable-postproc        enable GPLed postprocessing support [no]
93
  --disable-avfilter       disable video filter support [no]
94
  --disable-pthreads       disable pthreads [auto]
95
  --enable-w32threads      use Win32 threads [no]
96
  --enable-x11grab         enable X11 grabbing [no]
97
  --disable-network        disable network support [no]
98
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
99
  --enable-gray            enable full grayscale support (slower color)
100
  --disable-swscale-alpha  disable alpha channel support in swscale
101
  --disable-fastdiv        disable table-based division
102
  --enable-small           optimize for size instead of speed
103
  --disable-aandct         disable AAN DCT code
104
  --disable-dct            disable DCT code
105
  --disable-fft            disable FFT code
106
  --disable-golomb         disable Golomb code
107
  --disable-huffman        disable Huffman code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
114
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --disable-everything     disable all components listed below
118
  --disable-encoder=NAME   disable encoder NAME
119
  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
122
  --enable-decoder=NAME    enable decoder NAME
123
  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
144
  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-frei0r          enable frei0r video filtering
166
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168
  --enable-libopencv       enable video filtering via libopencv [no]
169
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
170
                           and libraw1394 [no]
171
  --enable-libdirac        enable Dirac support via libdirac [no]
172
  --enable-libfaac         enable FAAC support via libfaac [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-armv5te        disable armv5te optimizations
227
  --disable-armv6          disable armv6 optimizations
228
  --disable-armv6t2        disable armv6t2 optimizations
229
  --disable-armvfp         disable ARM VFP optimizations
230
  --disable-iwmmxt         disable iwmmxt optimizations
231
  --disable-mmi            disable MMI optimizations
232
  --disable-neon           disable neon optimizations
233
  --disable-vis            disable VIS optimizations
234
  --disable-yasm           disable use of yasm assembler
235
  --enable-pic             build position-independent code
236
  --malloc-prefix=PFX      prefix malloc and related names with PFX
237
  --enable-sram            allow use of on-chip SRAM
238

    
239
Developer options (useful when working on FFmpeg itself):
240
  --disable-debug          disable debugging symbols
241
  --enable-debug=LEVEL     set the debug level [$debuglevel]
242
  --disable-optimizations  disable compiler optimizations
243
  --enable-extra-warnings  enable more compiler warnings
244
  --disable-stripping      disable stripping of executables and shared libraries
245
  --samples=PATH           location of test samples for FATE
246

    
247
NOTE: Object files are built at the place where configure is launched.
248
EOF
249
  exit 0
250
}
251

    
252
quotes='""'
253

    
254
log(){
255
    echo "$@" >> $logfile
256
}
257

    
258
log_file(){
259
    log BEGIN $1
260
    pr -n -t $1 >> $logfile
261
    log END $1
262
}
263

    
264
echolog(){
265
    log "$@"
266
    echo "$@"
267
}
268

    
269
warn(){
270
    log "WARNING: $*"
271
    WARNINGS="${WARNINGS}WARNING: $*\n"
272
}
273

    
274
die(){
275
    echolog "$@"
276
    cat <<EOF
277

    
278
If you think configure made a mistake, make sure you are using the latest
279
version from SVN.  If the latest version fails, report the problem to the
280
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
281
EOF
282
    if disabled logging; then
283
        cat <<EOF
284
Rerun configure with logging enabled (do not use --disable-logging), and
285
include the log this produces with your report.
286
EOF
287
    else
288
cat <<EOF
289
Include the log file "$logfile" produced by configure as this will help
290
solving the problem.
291
EOF
292
    fi
293
    exit 1
294
}
295

    
296
# Avoid locale weirdness, besides we really just want to translate ASCII.
297
toupper(){
298
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
299
}
300

    
301
tolower(){
302
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
303
}
304

    
305
c_escape(){
306
    echo "$*" | sed 's/["\\]/\\\0/g'
307
}
308

    
309
sh_quote(){
310
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
311
    test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
312
    echo "$v"
313
}
314

    
315
filter(){
316
    pat=$1
317
    shift
318
    for v; do
319
        eval "case $v in $pat) echo $v ;; esac"
320
    done
321
}
322

    
323
map(){
324
    m=$1
325
    shift
326
    for v; do eval $m; done
327
}
328

    
329
set_all(){
330
    value=$1
331
    shift
332
    for var in $*; do
333
        eval $var=$value
334
    done
335
}
336

    
337
set_weak(){
338
    value=$1
339
    shift
340
    for var; do
341
        eval : \${$var:=$value}
342
    done
343
}
344

    
345
pushvar(){
346
    for var in $*; do
347
        eval level=\${${var}_level:=0}
348
        eval ${var}_${level}="\$$var"
349
        eval ${var}_level=$(($level+1))
350
    done
351
}
352

    
353
popvar(){
354
    for var in $*; do
355
        eval level=\${${var}_level:-0}
356
        test $level = 0 && continue
357
        eval level=$(($level-1))
358
        eval $var="\${${var}_${level}}"
359
        eval ${var}_level=$level
360
        eval unset ${var}_${level}
361
    done
362
}
363

    
364
enable(){
365
    set_all yes $*
366
}
367

    
368
disable(){
369
    set_all no $*
370
}
371

    
372
enable_weak(){
373
    set_weak yes $*
374
}
375

    
376
disable_weak(){
377
    set_weak no $*
378
}
379

    
380
enable_safe(){
381
    for var; do
382
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
383
    done
384
}
385

    
386
disable_safe(){
387
    for var; do
388
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
389
    done
390
}
391

    
392
do_enable_deep(){
393
    for var; do
394
        enabled $var && continue
395
        eval sel="\$${var}_select"
396
        eval sgs="\$${var}_suggest"
397
        pushvar var sgs
398
        enable_deep $sel
399
        popvar sgs
400
        enable_deep_weak $sgs
401
        popvar var
402
    done
403
}
404

    
405
enable_deep(){
406
    do_enable_deep $*
407
    enable $*
408
}
409

    
410
enable_deep_weak(){
411
    do_enable_deep $*
412
    enable_weak $*
413
}
414

    
415
enabled(){
416
    test "${1#!}" = "$1" && op== || op=!=
417
    eval test "x\$${1#!}" $op "xyes"
418
}
419

    
420
disabled(){
421
    test "${1#!}" = "$1" && op== || op=!=
422
    eval test "x\$${1#!}" $op "xno"
423
}
424

    
425
enabled_all(){
426
    for opt; do
427
        enabled $opt || return 1
428
    done
429
}
430

    
431
disabled_all(){
432
    for opt; do
433
        disabled $opt || return 1
434
    done
435
}
436

    
437
enabled_any(){
438
    for opt; do
439
        enabled $opt && return 0
440
    done
441
}
442

    
443
disabled_any(){
444
    for opt; do
445
        disabled $opt && return 0
446
    done
447
    return 1
448
}
449

    
450
set_default(){
451
    for opt; do
452
        eval : \${$opt:=\$${opt}_default}
453
    done
454
}
455

    
456
is_in(){
457
    value=$1
458
    shift
459
    for var in $*; do
460
        [ $var = $value ] && return 0
461
    done
462
    return 1
463
}
464

    
465
check_deps(){
466
    for cfg; do
467
        cfg="${cfg#!}"
468
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
469
        disabled ${cfg}_checking && continue
470
        enable ${cfg}_checking
471

    
472
        eval dep_all="\$${cfg}_deps"
473
        eval dep_any="\$${cfg}_deps_any"
474
        eval dep_sel="\$${cfg}_select"
475
        eval dep_sgs="\$${cfg}_suggest"
476
        eval dep_ifa="\$${cfg}_if"
477
        eval dep_ifn="\$${cfg}_if_any"
478

    
479
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
480
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
481
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
482

    
483
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
484
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
485
        enabled_all  $dep_all || disable $cfg
486
        enabled_any  $dep_any || disable $cfg
487
        disabled_any $dep_sel && disable $cfg
488

    
489
        if enabled $cfg; then
490
            eval dep_extralibs="\$${cfg}_extralibs"
491
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
492
            enable_deep $dep_sel
493
            enable_deep_weak $dep_sgs
494
        fi
495

    
496
        disable ${cfg}_checking
497
    done
498
}
499

    
500
print_config_h(){
501
    enabled $1 && v=1 || v=0
502
    echo "#define $2 $v"
503
}
504

    
505
print_config_mak(){
506
    enabled $1 && v= || v=!
507
    echo "$v$2=yes"
508
}
509

    
510
print_config_asm(){
511
    enabled $1 && echo "%define $2"
512
}
513

    
514
print_config(){
515
    pfx=$1
516
    files=$2
517
    shift 2
518
    for cfg; do
519
        ucname="$(toupper $cfg)"
520
        for f in $files; do
521
            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
522
        done
523
    done
524
}
525

    
526
print_enabled(){
527
    test "$1" = -n && end=" " && shift || end="\n"
528
    suf=$1
529
    shift
530
    for v; do
531
        enabled $v && printf "%s$end" ${v%$suf};
532
    done
533
}
534

    
535
append(){
536
    var=$1
537
    shift
538
    eval "$var=\"\$$var $*\""
539
}
540

    
541
prepend(){
542
    var=$1
543
    shift
544
    eval "$var=\"$* \$$var\""
545
}
546

    
547
add_cppflags(){
548
    append CPPFLAGS $($filter_cppflags "$@")
549
}
550

    
551
add_cflags(){
552
    append CFLAGS $($filter_cflags "$@")
553
}
554

    
555
add_asflags(){
556
    append ASFLAGS $($filter_asflags "$@")
557
}
558

    
559
add_ldflags(){
560
    append LDFLAGS "$@"
561
}
562

    
563
add_extralibs(){
564
    prepend extralibs "$@"
565
}
566

    
567
check_cmd(){
568
    log "$@"
569
    "$@" >> $logfile 2>&1
570
}
571

    
572
check_cc(){
573
    log check_cc "$@"
574
    cat > $TMPC
575
    log_file $TMPC
576
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
577
}
578

    
579
check_cpp(){
580
    log check_cpp "$@"
581
    cat > $TMPC
582
    log_file $TMPC
583
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
584
}
585

    
586
check_as(){
587
    log check_as "$@"
588
    cat > $TMPC
589
    log_file $TMPC
590
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
591
}
592

    
593
check_asm(){
594
    log check_asm "$@"
595
    name="$1"
596
    code="$2"
597
    shift 2
598
    disable $name
599
    check_as "$@" <<EOF && enable $name
600
void foo(void){ __asm__ volatile($code); }
601
EOF
602
}
603

    
604
check_yasm(){
605
    log check_yasm "$@"
606
    echo "$1" > $TMPS
607
    log_file $TMPS
608
    shift 1
609
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
610
}
611

    
612
check_ld(){
613
    log check_ld "$@"
614
    flags=''
615
    libs=''
616
    for f; do
617
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
618
    done
619
    check_cc $($filter_cflags $flags) || return
620
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
621
}
622

    
623
check_cppflags(){
624
    log check_cppflags "$@"
625
    set -- $($filter_cppflags "$@")
626
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
627
int x;
628
EOF
629
}
630

    
631
check_cflags(){
632
    log check_cflags "$@"
633
    set -- $($filter_cflags "$@")
634
    check_cc "$@" <<EOF && append CFLAGS "$@"
635
int x;
636
EOF
637
}
638

    
639
test_ldflags(){
640
    log test_ldflags "$@"
641
    check_ld "$@" <<EOF
642
int main(void){ return 0; }
643
EOF
644
}
645

    
646
check_ldflags(){
647
    log check_ldflags "$@"
648
    test_ldflags "$@" && add_ldflags "$@"
649
}
650

    
651
check_header(){
652
    log check_header "$@"
653
    header=$1
654
    shift
655
    disable_safe $header
656
    check_cpp "$@" <<EOF && enable_safe $header
657
#include <$header>
658
int x;
659
EOF
660
}
661

    
662
check_func(){
663
    log check_func "$@"
664
    func=$1
665
    shift
666
    disable $func
667
    check_ld "$@" <<EOF && enable $func
668
extern int $func();
669
int main(void){ $func(); }
670
EOF
671
}
672

    
673
check_mathfunc(){
674
    log check_mathfunc "$@"
675
    func=$1
676
    shift
677
    disable $func
678
    check_ld "$@" <<EOF && enable $func
679
#include <math.h>
680
float foo(float f) { return $func(f); }
681
int main(void){ return 0; }
682
EOF
683
}
684

    
685
check_func_headers(){
686
    log check_func_headers "$@"
687
    headers=$1
688
    func=$2
689
    shift 2
690
    disable $func
691
    incs=""
692
    for hdr in $headers; do
693
        incs="$incs
694
#include <$hdr>"
695
    done
696
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
697
$incs
698
int main(int argc, char **argv){
699
    return (long) $func;
700
}
701
EOF
702
}
703

    
704
check_cpp_condition(){
705
    log check_cpp_condition "$@"
706
    header=$1
707
    condition=$2
708
    shift 2
709
    check_cpp $($filter_cppflags "$@") <<EOF
710
#include <$header>
711
#if !($condition)
712
#error "unsatisfied condition: $condition"
713
#endif
714
EOF
715
}
716

    
717
check_lib(){
718
    log check_lib "$@"
719
    header="$1"
720
    func="$2"
721
    shift 2
722
    check_header $header && check_func $func "$@" && add_extralibs "$@"
723
}
724

    
725
check_lib2(){
726
    log check_lib2 "$@"
727
    headers="$1"
728
    func="$2"
729
    shift 2
730
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
731
}
732

    
733
check_exec(){
734
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
735
}
736

    
737
check_exec_crash(){
738
    code=$(cat)
739

    
740
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
741
    # are safe but may not be available everywhere.  Thus we use
742
    # raise(SIGTERM) instead.  The check is run in a subshell so we
743
    # can redirect the "Terminated" message from the shell.  SIGBUS
744
    # is not defined by standard C so it is used conditionally.
745

    
746
    (check_exec "$@") >> $logfile 2>&1 <<EOF
747
#include <signal.h>
748
static void sighandler(int sig){
749
    raise(SIGTERM);
750
}
751
int main(void){
752
    signal(SIGILL, sighandler);
753
    signal(SIGFPE, sighandler);
754
    signal(SIGSEGV, sighandler);
755
#ifdef SIGBUS
756
    signal(SIGBUS, sighandler);
757
#endif
758
    { $code }
759
}
760
EOF
761
}
762

    
763
check_type(){
764
    log check_type "$@"
765
    headers=$1
766
    type=$2
767
    shift 2
768
    disable_safe "$type"
769
    incs=""
770
    for hdr in $headers; do
771
        incs="$incs
772
#include <$hdr>"
773
    done
774
    check_cc "$@" <<EOF && enable_safe "$type"
775
$incs
776
$type v;
777
EOF
778
}
779

    
780
check_struct(){
781
    log check_type "$@"
782
    headers=$1
783
    struct=$2
784
    member=$3
785
    shift 3
786
    disable_safe "${struct}_${member}"
787
    incs=""
788
    for hdr in $headers; do
789
        incs="$incs
790
#include <$hdr>"
791
    done
792
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
793
$incs
794
const void *p = &(($struct *)0)->$member;
795
EOF
796
}
797

    
798
require(){
799
    name="$1"
800
    header="$2"
801
    func="$3"
802
    shift 3
803
    check_lib $header $func "$@" || die "ERROR: $name not found"
804
}
805

    
806
require2(){
807
    name="$1"
808
    headers="$2"
809
    func="$3"
810
    shift 3
811
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
812
}
813

    
814
check_host_cc(){
815
    log check_host_cc "$@"
816
    cat > $TMPC
817
    log_file $TMPC
818
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
819
}
820

    
821
check_host_cflags(){
822
    log check_host_cflags "$@"
823
    check_host_cc "$@" <<EOF && append host_cflags "$@"
824
int x;
825
EOF
826
}
827

    
828
apply(){
829
    file=$1
830
    shift
831
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
832
}
833

    
834
cp_if_changed(){
835
    cmp -s "$1" "$2" &&
836
        echo "$2 is unchanged" ||
837
        cp -f "$1" "$2"
838
}
839

    
840
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
841
# system-dependent things.
842

    
843
COMPONENT_LIST="
844
    bsfs
845
    decoders
846
    demuxers
847
    encoders
848
    filters
849
    hwaccels
850
    indevs
851
    muxers
852
    outdevs
853
    parsers
854
    protocols
855
"
856

    
857
CONFIG_LIST="
858
    $COMPONENT_LIST
859
    aandct
860
    avcodec
861
    avcore
862
    avdevice
863
    avfilter
864
    avformat
865
    avisynth
866
    bzlib
867
    dct
868
    doc
869
    dwt
870
    dxva2
871
    fastdiv
872
    ffmpeg
873
    ffplay
874
    ffprobe
875
    ffserver
876
    fft
877
    frei0r
878
    golomb
879
    gpl
880
    gray
881
    h264dsp
882
    h264pred
883
    hardcoded_tables
884
    huffman
885
    libdc1394
886
    libdirac
887
    libfaac
888
    libgsm
889
    libmp3lame
890
    libnut
891
    libopencore_amrnb
892
    libopencore_amrwb
893
    libopencv
894
    libopenjpeg
895
    librtmp
896
    libschroedinger
897
    libspeex
898
    libtheora
899
    libvorbis
900
    libvpx
901
    libx264
902
    libxavs
903
    libxvid
904
    lpc
905
    lsp
906
    mdct
907
    memalign_hack
908
    mlib
909
    mpegaudio_hp
910
    network
911
    nonfree
912
    pic
913
    postproc
914
    rdft
915
    rtpdec
916
    runtime_cpudetect
917
    shared
918
    small
919
    sram
920
    static
921
    swscale
922
    swscale_alpha
923
    vaapi
924
    vdpau
925
    version3
926
    x11grab
927
    zlib
928
"
929

    
930
THREADS_LIST='
931
    pthreads
932
    w32threads
933
'
934

    
935
ARCH_LIST='
936
    alpha
937
    arm
938
    avr32
939
    avr32_ap
940
    avr32_uc
941
    bfin
942
    ia64
943
    m68k
944
    mips
945
    mips64
946
    parisc
947
    ppc
948
    ppc64
949
    s390
950
    sh4
951
    sparc
952
    sparc64
953
    tomi
954
    x86
955
    x86_32
956
    x86_64
957
'
958

    
959
ARCH_EXT_LIST='
960
    altivec
961
    amd3dnow
962
    amd3dnowext
963
    armv5te
964
    armv6
965
    armv6t2
966
    armvfp
967
    iwmmxt
968
    mmi
969
    mmx
970
    mmx2
971
    neon
972
    ppc4xx
973
    sse
974
    ssse3
975
    vis
976
'
977

    
978
HAVE_LIST_PUB='
979
    bigendian
980
    fast_unaligned
981
'
982

    
983
HAVE_LIST="
984
    $ARCH_EXT_LIST
985
    $HAVE_LIST_PUB
986
    $THREADS_LIST
987
    aligned_stack
988
    alsa_asoundlib_h
989
    altivec_h
990
    arpa_inet_h
991
    attribute_may_alias
992
    attribute_packed
993
    bswap
994
    closesocket
995
    cmov
996
    conio_h
997
    dcbzl
998
    dev_bktr_ioctl_bt848_h
999
    dev_bktr_ioctl_meteor_h
1000
    dev_ic_bt8xx_h
1001
    dev_video_meteor_ioctl_meteor_h
1002
    dev_video_bktr_ioctl_bt848_h
1003
    dlfcn_h
1004
    dlopen
1005
    dos_paths
1006
    ebp_available
1007
    ebx_available
1008
    exp2
1009
    exp2f
1010
    fast_64bit
1011
    fast_clz
1012
    fast_cmov
1013
    fcntl
1014
    fork
1015
    getaddrinfo
1016
    gethrtime
1017
    GetProcessMemoryInfo
1018
    GetProcessTimes
1019
    getrusage
1020
    gnu_as
1021
    struct_rusage_ru_maxrss
1022
    ibm_asm
1023
    inet_aton
1024
    inline_asm
1025
    isatty
1026
    ldbrx
1027
    libdc1394_1
1028
    libdc1394_2
1029
    llrint
1030
    llrintf
1031
    local_aligned_16
1032
    local_aligned_8
1033
    log2
1034
    log2f
1035
    loongson
1036
    lrint
1037
    lrintf
1038
    lzo1x_999_compress
1039
    machine_ioctl_bt848_h
1040
    machine_ioctl_meteor_h
1041
    malloc_h
1042
    memalign
1043
    mkstemp
1044
    pld
1045
    posix_memalign
1046
    round
1047
    roundf
1048
    sdl
1049
    sdl_video_size
1050
    setmode
1051
    socklen_t
1052
    soundcard_h
1053
    poll_h
1054
    setrlimit
1055
    strerror_r
1056
    strtok_r
1057
    struct_addrinfo
1058
    struct_ipv6_mreq
1059
    struct_sockaddr_in6
1060
    struct_sockaddr_sa_len
1061
    struct_sockaddr_storage
1062
    symver
1063
    symver_gnu_asm
1064
    symver_asm_label
1065
    sys_mman_h
1066
    sys_resource_h
1067
    sys_select_h
1068
    sys_soundcard_h
1069
    sys_videoio_h
1070
    ten_operands
1071
    termios_h
1072
    threads
1073
    truncf
1074
    vfp_args
1075
    VirtualAlloc
1076
    winsock2_h
1077
    xform_asm
1078
    xmm_clobbers
1079
    yasm
1080
"
1081

    
1082
# options emitted with CONFIG_ prefix but not available on command line
1083
CONFIG_EXTRA="
1084
    avutil
1085
    gplv3
1086
    lgplv3
1087
"
1088

    
1089
CMDLINE_SELECT="
1090
    $ARCH_EXT_LIST
1091
    $CONFIG_LIST
1092
    $THREADS_LIST
1093
    asm
1094
    cross_compile
1095
    debug
1096
    extra_warnings
1097
    logging
1098
    optimizations
1099
    stripping
1100
    yasm
1101
"
1102

    
1103
PATHS_LIST='
1104
    bindir
1105
    datadir
1106
    incdir
1107
    libdir
1108
    mandir
1109
    prefix
1110
    shlibdir
1111
'
1112

    
1113
CMDLINE_SET="
1114
    $PATHS_LIST
1115
    ar
1116
    arch
1117
    as
1118
    build_suffix
1119
    cc
1120
    cpu
1121
    cross_prefix
1122
    dep_cc
1123
    extra_version
1124
    host_cc
1125
    host_cflags
1126
    host_ldflags
1127
    host_libs
1128
    host_os
1129
    ld
1130
    logfile
1131
    malloc_prefix
1132
    nm
1133
    samples
1134
    source_path
1135
    strip
1136
    sysinclude
1137
    sysroot
1138
    target_exec
1139
    target_os
1140
    target_path
1141
"
1142

    
1143
CMDLINE_APPEND="
1144
    extra_cflags
1145
"
1146

    
1147
# code dependency declarations
1148

    
1149
# architecture extensions
1150

    
1151
armv5te_deps="arm"
1152
armv6_deps="arm"
1153
armv6t2_deps="arm"
1154
armvfp_deps="arm"
1155
iwmmxt_deps="arm"
1156
neon_deps="arm"
1157

    
1158
mmi_deps="mips"
1159

    
1160
altivec_deps="ppc"
1161
ppc4xx_deps="ppc"
1162

    
1163
vis_deps="sparc"
1164

    
1165
x86_64_suggest="cmov fast_cmov"
1166
amd3dnow_deps="mmx"
1167
amd3dnowext_deps="amd3dnow"
1168
mmx_deps="x86"
1169
mmx2_deps="mmx"
1170
sse_deps="mmx"
1171
ssse3_deps="sse"
1172

    
1173
aligned_stack_if_any="ppc x86"
1174
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1175
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1176
fast_unaligned_if_any="armv6 ppc x86"
1177

    
1178
need_memalign="altivec neon sse"
1179
inline_asm_deps="!tms470"
1180

    
1181
symver_if_any="symver_asm_label symver_gnu_asm"
1182

    
1183
# subsystems
1184
dct_select="rdft"
1185
mdct_select="fft"
1186
rdft_select="fft"
1187

    
1188
# decoders / encoders / hardware accelerators
1189
aac_decoder_select="mdct rdft"
1190
aac_encoder_select="mdct"
1191
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1192
ac3_decoder_select="mdct ac3_parser"
1193
alac_encoder_select="lpc"
1194
amrnb_decoder_select="lsp"
1195
atrac1_decoder_select="mdct"
1196
atrac3_decoder_select="mdct"
1197
binkaudio_dct_decoder_select="mdct rdft dct"
1198
binkaudio_rdft_decoder_select="mdct rdft"
1199
cavs_decoder_select="golomb"
1200
cook_decoder_select="mdct"
1201
cscd_decoder_suggest="zlib"
1202
dca_decoder_select="mdct"
1203
dnxhd_encoder_select="aandct"
1204
dxa_decoder_select="zlib"
1205
eac3_decoder_select="ac3_decoder"
1206
eamad_decoder_select="aandct"
1207
eatgq_decoder_select="aandct"
1208
eatqi_decoder_select="aandct"
1209
ffv1_decoder_select="golomb"
1210
flac_decoder_select="golomb"
1211
flac_encoder_select="golomb lpc"
1212
flashsv_decoder_select="zlib"
1213
flashsv_encoder_select="zlib"
1214
flv_decoder_select="h263_decoder"
1215
flv_encoder_select="h263_encoder"
1216
fraps_decoder_select="huffman"
1217
h261_encoder_select="aandct"
1218
h263_decoder_select="h263_parser"
1219
h263_encoder_select="aandct"
1220
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1221
h263i_decoder_select="h263_decoder"
1222
h263p_encoder_select="h263_encoder"
1223
h264_decoder_select="golomb h264dsp h264pred"
1224
h264_dxva2_hwaccel_deps="dxva2api_h"
1225
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1226
h264_vaapi_hwaccel_select="vaapi"
1227
h264_vdpau_decoder_select="vdpau h264_decoder"
1228
imc_decoder_select="fft mdct"
1229
jpegls_decoder_select="golomb"
1230
jpegls_encoder_select="golomb"
1231
ljpeg_encoder_select="aandct"
1232
loco_decoder_select="golomb"
1233
mjpeg_encoder_select="aandct"
1234
mlp_decoder_select="mlp_parser"
1235
mp1float_decoder_select="dct"
1236
mp2float_decoder_select="dct"
1237
mp3adufloat_decoder_select="dct"
1238
mp3float_decoder_select="dct"
1239
mp3on4float_decoder_select="dct"
1240
mpeg1video_encoder_select="aandct"
1241
mpeg2video_encoder_select="aandct"
1242
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1243
mpeg4_encoder_select="h263_encoder"
1244
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1245
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1246
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1247
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1248
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1249
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1250
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1251
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1252
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1253
msmpeg4v1_decoder_select="h263_decoder"
1254
msmpeg4v1_encoder_select="h263_encoder"
1255
msmpeg4v2_decoder_select="h263_decoder"
1256
msmpeg4v2_encoder_select="h263_encoder"
1257
msmpeg4v3_decoder_select="h263_decoder"
1258
msmpeg4v3_encoder_select="h263_encoder"
1259
nellymoser_decoder_select="mdct"
1260
nellymoser_encoder_select="mdct"
1261
png_decoder_select="zlib"
1262
png_encoder_select="zlib"
1263
qcelp_decoder_select="lsp"
1264
qdm2_decoder_select="mdct rdft"
1265
ra_144_encoder_select="lpc"
1266
rv10_decoder_select="h263_decoder"
1267
rv10_encoder_select="h263_encoder"
1268
rv20_decoder_select="h263_decoder"
1269
rv20_encoder_select="h263_encoder"
1270
rv30_decoder_select="golomb h264pred"
1271
rv40_decoder_select="golomb h264pred"
1272
shorten_decoder_select="golomb"
1273
sipr_decoder_select="lsp"
1274
snow_decoder_select="dwt"
1275
snow_encoder_select="aandct dwt"
1276
sonic_decoder_select="golomb"
1277
sonic_encoder_select="golomb"
1278
sonic_ls_encoder_select="golomb"
1279
svq1_encoder_select="aandct"
1280
svq3_decoder_select="golomb h264dsp h264pred"
1281
svq3_decoder_suggest="zlib"
1282
theora_decoder_select="vp3_decoder"
1283
tiff_decoder_suggest="zlib"
1284
tiff_encoder_suggest="zlib"
1285
truehd_decoder_select="mlp_decoder"
1286
tscc_decoder_select="zlib"
1287
twinvq_decoder_select="mdct lsp"
1288
vc1_decoder_select="h263_decoder"
1289
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1290
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1291
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1292
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1293
vorbis_decoder_select="mdct"
1294
vorbis_encoder_select="mdct"
1295
vp6_decoder_select="huffman"
1296
vp6a_decoder_select="vp6_decoder"
1297
vp6f_decoder_select="vp6_decoder"
1298
vp8_decoder_select="h264pred"
1299
wmapro_decoder_select="mdct"
1300
wmav1_decoder_select="mdct"
1301
wmav1_encoder_select="mdct"
1302
wmav2_decoder_select="mdct"
1303
wmav2_encoder_select="mdct"
1304
wmavoice_decoder_select="lsp rdft dct mdct"
1305
wmv1_decoder_select="h263_decoder"
1306
wmv1_encoder_select="h263_encoder"
1307
wmv2_decoder_select="h263_decoder"
1308
wmv2_encoder_select="h263_encoder"
1309
wmv3_decoder_select="vc1_decoder"
1310
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1311
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1312
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1313
zlib_decoder_select="zlib"
1314
zlib_encoder_select="zlib"
1315
zmbv_decoder_select="zlib"
1316
zmbv_encoder_select="zlib"
1317

    
1318
vaapi_deps="va_va_h"
1319
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1320

    
1321
# parsers
1322
h264_parser_select="golomb h264dsp h264pred"
1323

    
1324
# external libraries
1325
libdirac_decoder_deps="libdirac !libschroedinger"
1326
libdirac_encoder_deps="libdirac"
1327
libfaac_encoder_deps="libfaac"
1328
libgsm_decoder_deps="libgsm"
1329
libgsm_encoder_deps="libgsm"
1330
libgsm_ms_decoder_deps="libgsm"
1331
libgsm_ms_encoder_deps="libgsm"
1332
libmp3lame_encoder_deps="libmp3lame"
1333
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1334
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1335
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1336
libopenjpeg_decoder_deps="libopenjpeg"
1337
libschroedinger_decoder_deps="libschroedinger"
1338
libschroedinger_encoder_deps="libschroedinger"
1339
libspeex_decoder_deps="libspeex"
1340
libtheora_encoder_deps="libtheora"
1341
libvorbis_encoder_deps="libvorbis"
1342
libvpx_decoder_deps="libvpx"
1343
libvpx_encoder_deps="libvpx"
1344
libx264_encoder_deps="libx264"
1345
libxavs_encoder_deps="libxavs"
1346
libxvid_encoder_deps="libxvid"
1347

    
1348
# demuxers / muxers
1349
ac3_demuxer_deps="ac3_parser"
1350
asf_stream_muxer_select="asf_muxer"
1351
avisynth_demuxer_deps="avisynth"
1352
dirac_demuxer_deps="dirac_parser"
1353
eac3_demuxer_select="ac3_parser"
1354
ipod_muxer_select="mov_muxer"
1355
libnut_demuxer_deps="libnut"
1356
libnut_muxer_deps="libnut"
1357
matroska_audio_muxer_select="matroska_muxer"
1358
matroska_demuxer_suggest="zlib bzlib"
1359
mov_demuxer_suggest="zlib"
1360
mp3_demuxer_deps="mpegaudio_parser"
1361
mp4_muxer_select="mov_muxer"
1362
mpegtsraw_demuxer_select="mpegts_demuxer"
1363
mxf_d10_muxer_select="mxf_muxer"
1364
ogg_demuxer_select="golomb"
1365
psp_muxer_select="mov_muxer"
1366
rtp_demuxer_select="sdp_demuxer"
1367
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1368
rtsp_demuxer_select="http_protocol rtpdec"
1369
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1370
sap_demuxer_select="sdp_demuxer"
1371
sap_muxer_select="rtp_muxer rtp_protocol"
1372
sdp_demuxer_select="rtpdec"
1373
spdif_muxer_select="aac_parser"
1374
tg2_muxer_select="mov_muxer"
1375
tgp_muxer_select="mov_muxer"
1376
w64_demuxer_deps="wav_demuxer"
1377

    
1378
# indevs / outdevs
1379
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1380
alsa_outdev_deps="alsa_asoundlib_h"
1381
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1382
dv1394_indev_deps="dv1394 dv_demuxer"
1383
jack_indev_deps="jack_jack_h"
1384
libdc1394_indev_deps="libdc1394"
1385
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1386
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1387
v4l_indev_deps="linux_videodev_h"
1388
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1389
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1390
vfwcap_indev_extralibs="-lavicap32"
1391
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1392
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1393

    
1394
# protocols
1395
gopher_protocol_deps="network"
1396
http_protocol_deps="network"
1397
http_protocol_select="tcp_protocol"
1398
mmsh_protocol_select="http_protocol"
1399
mmst_protocol_deps="network"
1400
rtmp_protocol_select="tcp_protocol"
1401
rtp_protocol_select="udp_protocol"
1402
tcp_protocol_deps="network"
1403
udp_protocol_deps="network"
1404

    
1405
# filters
1406
blackframe_filter_deps="gpl"
1407
cropdetect_filter_deps="gpl"
1408
frei0r_filter_deps="frei0r dlopen strtok_r"
1409
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1410
hqdn3d_filter_deps="gpl"
1411
ocv_smooth_filter_deps="libopencv"
1412
yadif_filter_deps="gpl"
1413

    
1414
# libraries
1415
avdevice_deps="avcodec avformat"
1416
avformat_deps="avcodec"
1417

    
1418
# programs
1419
ffmpeg_deps="avcodec avformat swscale"
1420
ffmpeg_select="buffer_filter"
1421
ffplay_deps="avcodec avformat swscale sdl"
1422
ffplay_select="rdft"
1423
ffprobe_deps="avcodec avformat"
1424
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1425
ffserver_extralibs='$ldl'
1426

    
1427
doc_deps="texi2html"
1428

    
1429
# tests
1430

    
1431
test_deps(){
1432
    suf1=$1
1433
    suf2=$2
1434
    shift 2
1435
    for v; do
1436
        dep=${v%=*}
1437
        tests=${v#*=}
1438
        for name in ${tests}; do
1439
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1440
        done
1441
    done
1442
}
1443

    
1444
set_ne_test_deps(){
1445
    eval ${1}_be_test_deps="bigendian"
1446
    eval ${1}_le_test_deps="!bigendian"
1447
}
1448

    
1449
test_deps _encoder _decoder                                             \
1450
    ac3                                                                 \
1451
    adpcm_g726=g726                                                     \
1452
    adpcm_ima_qt                                                        \
1453
    adpcm_ima_wav                                                       \
1454
    adpcm_ms                                                            \
1455
    adpcm_swf                                                           \
1456
    adpcm_yamaha=adpcm_yam                                              \
1457
    alac                                                                \
1458
    asv1                                                                \
1459
    asv2                                                                \
1460
    bmp                                                                 \
1461
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1462
    dvvideo="dv dv50"                                                   \
1463
    ffv1                                                                \
1464
    flac                                                                \
1465
    flashsv                                                             \
1466
    flv                                                                 \
1467
    gif                                                                 \
1468
    h261                                                                \
1469
    h263="h263 h263p"                                                   \
1470
    huffyuv                                                             \
1471
    jpegls                                                              \
1472
    mjpeg="jpg mjpeg ljpeg"                                             \
1473
    mp2                                                                 \
1474
    mpeg1video="mpeg mpeg1b"                                            \
1475
    mpeg2video="mpeg2 mpeg2thread"                                      \
1476
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1477
    msmpeg4v3=msmpeg4                                                   \
1478
    msmpeg4v2                                                           \
1479
    pbm=pbmpipe                                                         \
1480
    pcx                                                                 \
1481
    pgm="pgm pgmpipe"                                                   \
1482
    ppm="ppm ppmpipe"                                                   \
1483
    rawvideo="rgb yuv"                                                  \
1484
    roq                                                                 \
1485
    rv10                                                                \
1486
    rv20                                                                \
1487
    sgi                                                                 \
1488
    snow="snow snowll"                                                  \
1489
    svq1                                                                \
1490
    targa=tga                                                           \
1491
    tiff                                                                \
1492
    wmav1                                                               \
1493
    wmav2                                                               \
1494
    wmv1                                                                \
1495
    wmv2                                                                \
1496

    
1497
test_deps _muxer _demuxer                                               \
1498
    aiff                                                                \
1499
    pcm_alaw=alaw                                                       \
1500
    asf                                                                 \
1501
    au                                                                  \
1502
    avi                                                                 \
1503
    dv=dv_fmt                                                           \
1504
    ffm                                                                 \
1505
    flv=flv_fmt                                                         \
1506
    gxf                                                                 \
1507
    matroska=mkv                                                        \
1508
    mmf                                                                 \
1509
    mov                                                                 \
1510
    pcm_mulaw=mulaw                                                     \
1511
    mxf                                                                 \
1512
    nut                                                                 \
1513
    ogg                                                                 \
1514
    rawvideo=pixfmt                                                     \
1515
    rm                                                                  \
1516
    swf                                                                 \
1517
    mpegts=ts                                                           \
1518
    voc                                                                 \
1519
    wav                                                                 \
1520
    yuv4mpegpipe=yuv4mpeg                                               \
1521

    
1522
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1523

    
1524
set_ne_test_deps pixdesc
1525
set_ne_test_deps pixfmts_crop
1526
set_ne_test_deps pixfmts_hflip
1527
set_ne_test_deps pixfmts_null
1528
set_ne_test_deps pixfmts_pad
1529
set_ne_test_deps pixfmts_scale
1530
set_ne_test_deps pixfmts_vflip
1531

    
1532
# default parameters
1533

    
1534
logfile="config.log"
1535

    
1536
# installation paths
1537
prefix_default="/usr/local"
1538
bindir_default='${prefix}/bin'
1539
datadir_default='${prefix}/share/ffmpeg'
1540
incdir_default='${prefix}/include'
1541
libdir_default='${prefix}/lib'
1542
mandir_default='${prefix}/share/man'
1543
shlibdir_default="$libdir_default"
1544

    
1545
# toolchain
1546
ar_default="ar"
1547
cc_default="gcc"
1548
cc_version=\"unknown\"
1549
host_cc_default="gcc"
1550
ln_s="ln -sf"
1551
nm_default="nm"
1552
objformat="elf"
1553
ranlib="ranlib"
1554
strip_default="strip"
1555
yasmexe="yasm"
1556
nogas=":"
1557

    
1558
nm_opts='-g'
1559

    
1560
# machine
1561
arch_default=$(uname -m)
1562
cpu="generic"
1563

    
1564
# OS
1565
target_os_default=$(tolower $(uname -s))
1566
host_os=$target_os_default
1567

    
1568
# configurable options
1569
enable avcodec
1570
enable avcore
1571
enable avdevice
1572
enable avfilter
1573
enable avformat
1574
enable avutil
1575
enable asm
1576
enable debug
1577
enable doc
1578
enable fastdiv
1579
enable ffmpeg
1580
enable ffplay
1581
enable ffprobe
1582
enable ffserver
1583
enable mpegaudio_hp
1584
enable network
1585
enable optimizations
1586
enable protocols
1587
enable static
1588
enable stripping
1589
enable swscale
1590
enable swscale_alpha
1591

    
1592
# build settings
1593
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1594
FFSERVERLDFLAGS=-Wl,-E
1595
LIBPREF="lib"
1596
LIBSUF=".a"
1597
FULLNAME='$(NAME)$(BUILDSUF)'
1598
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1599
SLIBPREF="lib"
1600
SLIBSUF=".so"
1601
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1602
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1603
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1604
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1605

    
1606
CC_O='-o $@'
1607

    
1608
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1609
host_libs='-lm'
1610

    
1611
target_path='$(CURDIR)'
1612

    
1613
# since the object filename is not given with the -MM flag, the compiler
1614
# is only able to print the basename, and we must add the path ourselves
1615
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1616
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1617

    
1618
# find source path
1619
source_path="$(dirname "$0")"
1620
enable source_path_used
1621
if test -f configure; then
1622
    source_path="$(pwd)"
1623
    disable source_path_used
1624
else
1625
    source_path="$(cd "$source_path"; pwd)"
1626
    echo "$source_path" | grep -q '[[:blank:]]' &&
1627
        die "Out of tree builds are impossible with whitespace in source path."
1628
    test -e "$source_path/config.h" &&
1629
        die "Out of tree builds are impossible with config.h in source dir."
1630
fi
1631

    
1632
for v in "$@"; do
1633
    r=${v#*=}
1634
    l=${v%"$r"}
1635
    r=$(sh_quote "$r")
1636
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1637
done
1638

    
1639
find_things(){
1640
    thing=$1
1641
    pattern=$2
1642
    file=$source_path/$3
1643
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1644
}
1645

    
1646
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1647
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1648
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1649
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1650
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1651
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1652
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1653
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1654
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1655
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1656
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1657

    
1658
find_tests(){
1659
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1660
}
1661

    
1662
ACODEC_TESTS=$(find_tests acodec)
1663
VCODEC_TESTS=$(find_tests vsynth1)
1664
LAVF_TESTS=$(find_tests lavf)
1665
LAVFI_TESTS=$(find_tests lavfi)
1666
SEEK_TESTS=$(find_tests seek seek_)
1667

    
1668
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1669

    
1670
for n in $COMPONENT_LIST; do
1671
    v=$(toupper ${n%s})_LIST
1672
    eval enable \$$v
1673
    eval ${n}_if_any="\$$v"
1674
done
1675

    
1676
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1677

    
1678
die_unknown(){
1679
    echo "Unknown option \"$1\"."
1680
    echo "See $0 --help for available options."
1681
    exit 1
1682
}
1683

    
1684
show_list() {
1685
    suffix=_$1
1686
    shift
1687
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1688
    exit 0
1689
}
1690

    
1691
for opt do
1692
    optval="${opt#*=}"
1693
    case "$opt" in
1694
    --extra-ldflags=*) add_ldflags $optval
1695
    ;;
1696
    --extra-libs=*) add_extralibs $optval
1697
    ;;
1698
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1699
    ;;
1700
    --enable-debug=*) debuglevel="$optval"
1701
    ;;
1702
    --disable-everything)
1703
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1704
    ;;
1705
    --enable-*=*|--disable-*=*)
1706
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1707
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1708
    eval list=\$$(toupper $thing)_LIST
1709
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1710
    $action $(filter "$name" $list)
1711
    ;;
1712
    --enable-?*|--disable-?*)
1713
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1714
    if is_in $option $COMPONENT_LIST; then
1715
        test $action = disable && action=unset
1716
        eval $action \$$(toupper ${option%s})_LIST
1717
    elif is_in $option $CMDLINE_SELECT; then
1718
        $action $option
1719
    else
1720
        die_unknown $opt
1721
    fi
1722
    ;;
1723
    --list-*)
1724
        NAME="${opt#--list-}"
1725
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1726
        NAME=${NAME%s}
1727
        eval show_list $NAME \$$(toupper $NAME)_LIST
1728
    ;;
1729
    --help|-h) show_help
1730
    ;;
1731
    *)
1732
    optname="${opt%%=*}"
1733
    optname="${optname#--}"
1734
    optname=$(echo "$optname" | sed 's/-/_/g')
1735
    if is_in $optname $CMDLINE_SET; then
1736
        eval $optname='$optval'
1737
    elif is_in $optname $CMDLINE_APPEND; then
1738
        append $optname "$optval"
1739
    else
1740
         die_unknown $opt
1741
    fi
1742
    ;;
1743
    esac
1744
done
1745

    
1746
disabled logging && logfile=/dev/null
1747

    
1748
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1749
set >> $logfile
1750

    
1751
test -n "$cross_prefix" && enable cross_compile
1752

    
1753
if enabled cross_compile; then
1754
    test -n "$arch" && test -n "$target_os" ||
1755
        die "Must specify target arch and OS when cross-compiling"
1756
fi
1757

    
1758
set_default arch target_os
1759

    
1760
ar_default="${cross_prefix}${ar_default}"
1761
cc_default="${cross_prefix}${cc_default}"
1762
nm_default="${cross_prefix}${nm_default}"
1763
ranlib="${cross_prefix}${ranlib}"
1764
strip_default="${cross_prefix}${strip_default}"
1765

    
1766
sysinclude_default="${sysroot}/usr/include"
1767

    
1768
set_default cc nm strip sysinclude
1769
enabled cross_compile || host_cc_default=$cc
1770
set_default host_cc
1771

    
1772
exesuf() {
1773
    case $1 in
1774
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1775
    esac
1776
}
1777

    
1778
EXESUF=$(exesuf $target_os)
1779
HOSTEXESUF=$(exesuf $host_os)
1780

    
1781
# set temporary file name
1782
: ${TMPDIR:=$TEMPDIR}
1783
: ${TMPDIR:=$TMP}
1784
: ${TMPDIR:=/tmp}
1785

    
1786
if ! check_cmd type mktemp; then
1787
    # simple replacement for missing mktemp
1788
    # NOT SAFE FOR GENERAL USE
1789
    mktemp(){
1790
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1791
    }
1792
fi
1793

    
1794
tmpfile(){
1795
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1796
        (set -C; exec > $tmp) 2>/dev/null ||
1797
        die "Unable to create temporary file in $TMPDIR."
1798
    append TMPFILES $tmp
1799
    eval $1=$tmp
1800
}
1801

    
1802
trap 'rm -f -- $TMPFILES' EXIT
1803
trap exit HUP INT TERM
1804

    
1805
tmpfile TMPC  .c
1806
tmpfile TMPE  $EXESUF
1807
tmpfile TMPH  .h
1808
tmpfile TMPO  .o
1809
tmpfile TMPS  .S
1810
tmpfile TMPV  .ver
1811
tmpfile TMPSH .sh
1812
tmpfile TMPASM .asm
1813

    
1814
unset -f mktemp
1815

    
1816
# make sure we can execute files in $TMPDIR
1817
cat > $TMPSH 2>> $logfile <<EOF
1818
#! /bin/sh
1819
EOF
1820
chmod +x $TMPSH >> $logfile 2>&1
1821
if ! $TMPSH >> $logfile 2>&1; then
1822
    cat <<EOF
1823
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1824
variable to another directory and make sure that it is not mounted noexec.
1825
EOF
1826
    die "Sanity test failed."
1827
fi
1828

    
1829
filter_cflags=echo
1830
filter_cppflags=echo
1831
filter_asflags=echo
1832

    
1833
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1834
    cc_type=llvm_gcc
1835
    cc_version=__VERSION__
1836
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1837
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1838
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1839
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1840
    speed_cflags='-O3'
1841
    size_cflags='-Os'
1842
elif $cc -v 2>&1 | grep -qi ^gcc; then
1843
    cc_type=gcc
1844
    cc_version=__VERSION__
1845
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1846
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1847
    if ! $cc -dumpversion | grep -q '^2\.'; then
1848
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1849
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1850
    fi
1851
    speed_cflags='-O3'
1852
    size_cflags='-Os'
1853
elif $cc --version 2>/dev/null | grep -q Intel; then
1854
    cc_type=icc
1855
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1856
    cc_ident=$($cc --version | head -n1)
1857
    icc_version=$($cc -dumpversion)
1858
    CC_DEPFLAGS='-MMD'
1859
    AS_DEPFLAGS='-MMD'
1860
    speed_cflags='-O3'
1861
    size_cflags='-Os'
1862
    noopt_cflags='-O1'
1863
elif $cc -v 2>&1 | grep -q xlc; then
1864
    cc_type=xlc
1865
    cc_version="AV_STRINGIFY(__IBMC__)"
1866
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1867
    speed_cflags='-O5'
1868
    size_cflags='-O5 -qcompact'
1869
elif $cc -V 2>/dev/null | grep -q Compaq; then
1870
    cc_type=ccc
1871
    cc_version="AV_STRINGIFY(__DECC_VER)"
1872
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1873
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1874
    debuglevel=3
1875
    add_ldflags -Wl,-z,now # calls to libots crash without this
1876
    speed_cflags='-fast'
1877
    size_cflags='-O1'
1878
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1879
    test -d "$sysroot" || die "No valid sysroot specified."
1880
    cc_type=armcc
1881
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1882
    cc_ident=$($cc --vsn | head -n1)
1883
    armcc_conf="$PWD/armcc.conf"
1884
    $cc --arm_linux_configure                 \
1885
        --arm_linux_config_file="$armcc_conf" \
1886
        --configure_sysroot="$sysroot"        \
1887
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1888
        die "Error creating armcc configuration file."
1889
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1890
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1891
    as_default="${cross_prefix}gcc"
1892
    CC_DEPFLAGS='-MMD'
1893
    AS_DEPFLAGS='-MMD'
1894
    speed_cflags='-O3'
1895
    size_cflags='-Os'
1896
elif $cc -version 2>/dev/null | grep -q TMS470; then
1897
    cc_type=tms470
1898
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1899
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1900
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1901
    CC_O='-fr=$(@D)'
1902
    as_default="${cross_prefix}gcc"
1903
    ld_default="${cross_prefix}gcc"
1904
    TMPO=$(basename $TMPC .c).o
1905
    append TMPFILES $TMPO
1906
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1907
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1908
    AS_DEPFLAGS='-MMD'
1909
    speed_cflags='-O3 -mf=5'
1910
    size_cflags='-O3 -mf=2'
1911
    filter_cflags=tms470_flags
1912
    tms470_flags(){
1913
        for flag; do
1914
            case $flag in
1915
                -march=*|-mcpu=*)
1916
                    case "${flag#*=}" in
1917
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1918
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1919
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1920
                        armv6*|arm11*)          echo -mv=6   ;;
1921
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1922
                                                echo -mv=5e  ;;
1923
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1924
                    esac
1925
                    ;;
1926
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1927
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1928
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1929
                -msoft-float)   echo --float_support=vfplib       ;;
1930
                -O[0-3]|-mf=*)  echo $flag                        ;;
1931
                -g)             echo -g -mn                       ;;
1932
                -pds=*)         echo $flag                        ;;
1933
            esac
1934
        done
1935
    }
1936
elif $cc -v 2>&1 | grep -q clang; then
1937
    cc_type=clang
1938
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1939
        cc_version=__clang_version__ || cc_version=__VERSION__
1940
    cc_ident=$($cc --version | head -n1)
1941
    CC_DEPFLAGS='-MMD'
1942
    AS_DEPFLAGS='-MMD'
1943
    speed_cflags='-O3'
1944
    size_cflags='-Os'
1945
elif $cc -V 2>&1 | grep -q Sun; then
1946
    cc_type=suncc
1947
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1948
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1949
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1950
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1951
    speed_cflags='-O5'
1952
    size_cflags='-O5 -xspace'
1953
    filter_cflags=suncc_flags
1954
    suncc_flags(){
1955
        for flag; do
1956
            case $flag in
1957
                -march=*|-mcpu=*)
1958
                    case "${flag#*=}" in
1959
                        native)                   echo -xtarget=native       ;;
1960
                        v9|niagara)               echo -xarch=sparc          ;;
1961
                        ultrasparc)               echo -xarch=sparcvis       ;;
1962
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1963
                        i586|pentium)             echo -xchip=pentium        ;;
1964
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1965
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1966
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1967
                        pentium4*)          echo -xtarget=pentium4           ;;
1968
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1969
                        *-sse3)             echo -xarch=sse3                 ;;
1970
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1971
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1972
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1973
                        k8|opteron|athlon64|athlon-fx)
1974
                                                  echo -xarch=sse2a          ;;
1975
                        athlon*)                  echo -xarch=pentium_proa   ;;
1976
                    esac
1977
                    ;;
1978
                -std=c99)             echo -xc99              ;;
1979
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1980
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1981
                -W*,*)                echo $flag              ;;
1982
                -f*-*|-W*)                                    ;;
1983
                *)                    echo $flag              ;;
1984
            esac
1985
        done
1986
    }
1987
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1988
    cc_type=pathscale
1989
    cc_version=__PATHSCALE__
1990
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1991
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1992
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1993
    speed_cflags='-O2'
1994
    size_cflags='-Os'
1995
elif $cc -v 2>&1 | grep -q Open64; then
1996
    cc_type=open64
1997
    cc_version=__OPEN64__
1998
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1999
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2000
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2001
    speed_cflags='-O2'
2002
    size_cflags='-Os'
2003
fi
2004

    
2005
test -n "$cc_type" && enable $cc_type ||
2006
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2007

    
2008
: ${as_default:=$cc}
2009
: ${dep_cc_default:=$cc}
2010
: ${ld_default:=$cc}
2011
set_default ar as dep_cc ld
2012

    
2013
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2014
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2015

    
2016
add_cflags $extra_cflags
2017
add_asflags $extra_cflags
2018

    
2019
if test -n "$sysroot"; then
2020
    case "$cc_type" in
2021
        gcc|llvm_gcc)
2022
            add_cppflags --sysroot="$sysroot"
2023
            add_ldflags --sysroot="$sysroot"
2024
        ;;
2025
        tms470)
2026
            add_cppflags -I"$sysinclude"
2027
            add_ldflags  --sysroot="$sysroot"
2028
        ;;
2029
        clang)
2030
            add_cppflags -isysroot "$sysroot"
2031
            add_ldflags -isysroot "$sysroot"
2032
        ;;
2033
    esac
2034
fi
2035

    
2036
if test "$cpu" = host; then
2037
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2038

    
2039
    case "$cc_type" in
2040
        gcc|llvm_gcc)
2041
            check_native(){
2042
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2043
                sed -n "/$1=/{
2044
                            s/.*$1=\\([^ ]*\\).*/\\1/
2045
                            p
2046
                            q
2047
                        }" $TMPE
2048
            }
2049
            cpu=$(check_native -march || check_native -mcpu)
2050
        ;;
2051
    esac
2052

    
2053
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2054
fi
2055

    
2056
# Deal with common $arch aliases
2057
case "$arch" in
2058
    arm*)
2059
        arch="arm"
2060
    ;;
2061
    mips|mipsel|IP*)
2062
        arch="mips"
2063
    ;;
2064
    mips64*)
2065
        arch="mips"
2066
        subarch="mips64"
2067
    ;;
2068
    parisc|hppa)
2069
        arch="parisc"
2070
    ;;
2071
    parisc64|hppa64)
2072
        arch="parisc"
2073
        subarch="parisc64"
2074
    ;;
2075
    "Power Macintosh"|ppc|powerpc)
2076
        arch="ppc"
2077
    ;;
2078
    ppc64|powerpc64)
2079
        arch="ppc"
2080
        subarch="ppc64"
2081
    ;;
2082
    s390|s390x)
2083
        arch="s390"
2084
    ;;
2085
    sh4|sh)
2086
        arch="sh4"
2087
    ;;
2088
    sun4u|sparc64)
2089
        arch="sparc"
2090
        subarch="sparc64"
2091
    ;;
2092
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2093
        arch="x86"
2094
    ;;
2095
esac
2096

    
2097
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2098
enable $arch
2099

    
2100
# Add processor-specific flags
2101
if test "$cpu" = generic; then
2102
    : do nothing
2103
elif enabled ppc; then
2104

    
2105
    case $(tolower $cpu) in
2106
        601|ppc601|powerpc601)
2107
            cpuflags="-mcpu=601"
2108
            disable altivec
2109
        ;;
2110
        603*|ppc603*|powerpc603*)
2111
            cpuflags="-mcpu=603"
2112
            disable altivec
2113
        ;;
2114
        604*|ppc604*|powerpc604*)
2115
            cpuflags="-mcpu=604"
2116
            disable altivec
2117
        ;;
2118
        g3|75*|ppc75*|powerpc75*)
2119
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2120
            disable altivec
2121
        ;;
2122
        g4|745*|ppc745*|powerpc745*)
2123
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2124
        ;;
2125
        74*|ppc74*|powerpc74*)
2126
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2127
        ;;
2128
        g5|970|ppc970|powerpc970|power4*)
2129
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2130
        ;;
2131
        cell)
2132
            cpuflags="-mcpu=cell"
2133
            enable ldbrx
2134
        ;;
2135
        e500v2)
2136
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2137
            disable altivec
2138
        ;;
2139
        e500)
2140
            cpuflags="-mcpu=8540 -mhard-float"
2141
            disable altivec
2142
        ;;
2143
    esac
2144

    
2145
elif enabled x86; then
2146

    
2147
    case $cpu in
2148
        i[345]86|pentium)
2149
            cpuflags="-march=$cpu"
2150
            disable mmx
2151
        ;;
2152
        # targets that do NOT support conditional mov (cmov)
2153
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2154
            cpuflags="-march=$cpu"
2155
            disable cmov
2156
        ;;
2157
        # targets that do support conditional mov (cmov)
2158
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2159
            cpuflags="-march=$cpu"
2160
            enable cmov
2161
            enable fast_cmov
2162
        ;;
2163
        # targets that do support conditional mov but on which it's slow
2164
        pentium4|pentium4m|prescott|nocona)
2165
            cpuflags="-march=$cpu"
2166
            enable cmov
2167
            disable fast_cmov
2168
        ;;
2169
    esac
2170

    
2171
elif enabled sparc; then
2172

    
2173
    case $cpu in
2174
        niagara)
2175
            cpuflags="-mcpu=$cpu"
2176
            disable vis
2177
        ;;
2178
        sparc64)
2179
            cpuflags="-mcpu=v9"
2180
        ;;
2181
    esac
2182

    
2183
elif enabled arm; then
2184

    
2185
    case $cpu in
2186
        armv*)
2187
            cpuflags="-march=$cpu"
2188
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2189
        ;;
2190
        *)
2191
            cpuflags="-mcpu=$cpu"
2192
            case $cpu in
2193
                cortex-a*)                               subarch=armv7a  ;;
2194
                cortex-r*)                               subarch=armv7r  ;;
2195
                cortex-m*)                               subarch=armv7m  ;;
2196
                arm11*)                                  subarch=armv6   ;;
2197
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2198
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2199
            esac
2200
        ;;
2201
    esac
2202

    
2203
elif enabled alpha; then
2204

    
2205
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2206

    
2207
elif enabled bfin; then
2208

    
2209
    cpuflags="-mcpu=$cpu"
2210

    
2211
elif enabled mips; then
2212

    
2213
    cpuflags="-march=$cpu"
2214

    
2215
elif enabled avr32; then
2216

    
2217
    case $cpu in
2218
        ap7[02]0[0-2])
2219
            subarch="avr32_ap"
2220
            cpuflags="-mpart=$cpu"
2221
        ;;
2222
        ap)
2223
            subarch="avr32_ap"
2224
            cpuflags="-march=$cpu"
2225
        ;;
2226
        uc3[ab]*)
2227
            subarch="avr32_uc"
2228
            cpuflags="-mcpu=$cpu"
2229
        ;;
2230
        uc)
2231
            subarch="avr32_uc"
2232
            cpuflags="-march=$cpu"
2233
        ;;
2234
    esac
2235

    
2236
fi
2237

    
2238
add_cflags $cpuflags
2239
add_asflags $cpuflags
2240

    
2241
# compiler sanity check
2242
check_exec <<EOF
2243
int main(void){ return 0; }
2244
EOF
2245
if test "$?" != 0; then
2246
    echo "$cc is unable to create an executable file."
2247
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2248
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2249
        echo "Only do this if you know what cross compiling means."
2250
    fi
2251
    die "C compiler test failed."
2252
fi
2253

    
2254
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2255
check_cflags -std=c99
2256
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2257
#include <stdlib.h>
2258
EOF
2259
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2260
#include <stdlib.h>
2261
EOF
2262

    
2263
check_host_cflags -std=c99
2264

    
2265
case "$arch" in
2266
    alpha|ia64|mips|parisc|sparc)
2267
        spic=$shared
2268
    ;;
2269
    x86)
2270
        subarch="x86_32"
2271
        check_cc <<EOF && subarch="x86_64"
2272
        int test[(int)sizeof(char*) - 7];
2273
EOF
2274
        if test "$subarch" = "x86_64"; then
2275
            spic=$shared
2276
        fi
2277
    ;;
2278
esac
2279

    
2280
enable $subarch
2281
enabled spic && enable pic
2282

    
2283
# OS specific
2284
case $target_os in
2285
    haiku)
2286
        prefix_default="/boot/common"
2287
        network_extralibs="-lnetwork"
2288
        ;;
2289
    sunos)
2290
        FFSERVERLDFLAGS=""
2291
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2292
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2293
        network_extralibs="-lsocket -lnsl"
2294
        add_cppflags -D__EXTENSIONS__
2295
        nm_opts='-P -g'
2296
        ;;
2297
    netbsd)
2298
        oss_indev_extralibs="-lossaudio"
2299
        oss_outdev_extralibs="-lossaudio"
2300
        add_cppflags -D_XOPEN_SOURCE=600
2301
        ;;
2302
    openbsd)
2303
        enable malloc_aligned
2304
        # On OpenBSD 4.5. the compiler does not use PIC unless
2305
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2306
        # however the generated executable will not do anything
2307
        # (simply quits with exit-code 1, no crash, no output).
2308
        # Thus explicitly enable PIC here.
2309
        enable pic
2310
        SHFLAGS='-shared'
2311
        oss_indev_extralibs="-lossaudio"
2312
        oss_outdev_extralibs="-lossaudio"
2313
        ;;
2314
    freebsd|dragonfly)
2315
        enable malloc_aligned
2316
        ;;
2317
    bsd/os)
2318
        add_extralibs -lpoll -lgnugetopt
2319
        strip="strip -d"
2320
        ;;
2321
    darwin)
2322
        enable malloc_aligned
2323
        gas="gas-preprocessor.pl $cc"
2324
        enabled ppc && add_asflags -force_cpusubtype_ALL
2325
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2326
        strip="${strip} -x"
2327
        add_ldflags -Wl,-dynamic,-search_paths_first
2328
        SLIBSUF=".dylib"
2329
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2330
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2331
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2332
        objformat="macho"
2333
        enabled x86_64 && objformat="macho64"
2334
        enabled_any pic shared ||
2335
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2336
        ;;
2337
    mingw32*)
2338
        if test $target_os = "mingw32ce"; then
2339
            disable network
2340
        else
2341
            target_os=mingw32
2342
        fi
2343
        LIBTARGET=i386
2344
        if enabled x86_64; then
2345
            enable malloc_aligned
2346
            LIBTARGET=x64
2347
        elif enabled arm; then
2348
            LIBTARGET=arm
2349
        fi
2350
        shlibdir_default="$bindir_default"
2351
        disable ffserver
2352
        SLIBPREF=""
2353
        SLIBSUF=".dll"
2354
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2355
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2356
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2357
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2358
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2359
            install -d "$(LIBDIR)"; \
2360
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2361
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2362
        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'
2363
        objformat="win32"
2364
        enable dos_paths
2365
        check_cflags -fno-common
2366
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2367
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2368
                die "ERROR: MinGW runtime version must be >= 3.15."
2369
        ;;
2370
    cygwin*)
2371
        target_os=cygwin
2372
        shlibdir_default="$bindir_default"
2373
        SLIBPREF="cyg"
2374
        SLIBSUF=".dll"
2375
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2376
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2377
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2378
        objformat="win32"
2379
        enable dos_paths
2380
        check_cflags -fno-common
2381
        ;;
2382
    *-dos|freedos|opendos)
2383
        disable ffplay ffserver
2384
        disable $INDEV_LIST $OUTDEV_LIST
2385
        network_extralibs="-lsocket"
2386
        objformat="coff"
2387
        enable dos_paths
2388
        ;;
2389
    linux)
2390
        enable dv1394
2391
        ;;
2392
    irix*)
2393
        target_os=irix
2394
        ranlib="echo ignoring ranlib"
2395
        ;;
2396
    os/2*)
2397
        strip="lxlite"
2398
        ln_s="cp -f"
2399
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2400
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2401
        FFSERVERLDFLAGS=""
2402
        LIBSUF="_s.a"
2403
        SLIBPREF=""
2404
        SLIBSUF=".dll"
2405
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2406
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2407
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2408
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2409
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2410
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2411
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2412
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2413
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2414
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2415
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2416
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2417
        enable dos_paths
2418
        ;;
2419
    gnu/kfreebsd)
2420
        ;;
2421
    gnu)
2422
        ;;
2423
    none)
2424
        ;;
2425
    *)
2426
        die "Unknown OS '$target_os'."
2427
        ;;
2428
esac
2429

    
2430
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2431

    
2432
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2433

    
2434
set_default $PATHS_LIST
2435

    
2436
# we need to build at least one lib type
2437
if ! enabled_any static shared; then
2438
    cat <<EOF
2439
At least one library type must be built.
2440
Specify --enable-static to build the static libraries or --enable-shared to
2441
build the shared libraries as well. To only build the shared libraries specify
2442
--disable-static in addition to --enable-shared.
2443
EOF
2444
    exit 1;
2445
fi
2446

    
2447
disabled static && LIBNAME=""
2448

    
2449
die_license_disabled() {
2450
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2451
}
2452

    
2453
die_license_disabled gpl libx264
2454
die_license_disabled gpl libxavs
2455
die_license_disabled gpl libxvid
2456
die_license_disabled gpl postproc
2457
die_license_disabled gpl x11grab
2458

    
2459
die_license_disabled nonfree libfaac
2460

    
2461
die_license_disabled version3 libopencore_amrnb
2462
die_license_disabled version3 libopencore_amrwb
2463

    
2464
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2465

    
2466
check_deps $ARCH_EXT_LIST
2467

    
2468
disabled optimizations || check_cflags -fomit-frame-pointer
2469

    
2470
enable_pic() {
2471
    enable pic
2472
    add_cppflags -DPIC
2473
    add_cflags   -fPIC
2474
    add_asflags  -fPIC
2475
}
2476

    
2477
enabled pic && enable_pic
2478

    
2479
check_cc <<EOF || die "Symbol mangling check failed."
2480
int ff_extern;
2481
EOF
2482
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2483
extern_prefix=${sym%%ff_extern*}
2484

    
2485
check_cc <<EOF && enable inline_asm
2486
void foo(void) { __asm__ volatile ("" ::); }
2487
EOF
2488

    
2489
_restrict=
2490
for restrict_keyword in restrict __restrict__ __restrict; do
2491
    check_cc <<EOF && _restrict=$restrict_keyword && break
2492
void foo(char * $restrict_keyword p);
2493
EOF
2494
done
2495

    
2496
check_cc <<EOF && enable attribute_packed
2497
struct { int x; } __attribute__((packed)) x;
2498
EOF
2499

    
2500
check_cc <<EOF && enable attribute_may_alias
2501
union { int x; } __attribute__((may_alias)) x;
2502
EOF
2503

    
2504
check_cc <<EOF || die "endian test failed"
2505
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2506
EOF
2507
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2508

    
2509
if enabled alpha; then
2510

    
2511
    check_cflags -mieee
2512

    
2513
elif enabled arm; then
2514

    
2515
    check_cflags -marm
2516
    nogas=die
2517

    
2518
    check_ld <<EOF && enable vfp_args
2519
__asm__ (".eabi_attribute 28, 1");
2520
int main(void) { return 0; }
2521
EOF
2522

    
2523
    # We have to check if pld is a nop and disable it.
2524
    check_asm pld '"pld [r0]"'
2525

    
2526
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2527
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2528
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2529
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2530
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2531
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2532

    
2533
    enabled_all armv6t2 shared !pic && enable_pic
2534

    
2535
elif enabled mips; then
2536

    
2537
    check_asm loongson '"dmult.g $1, $2, $3"'
2538
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2539

    
2540
elif enabled ppc; then
2541

    
2542
    enable local_aligned_8 local_aligned_16
2543

    
2544
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2545
    check_asm ibm_asm   '"add 0, 0, 0"'
2546
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2547
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2548

    
2549
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2550
    if enabled altivec; then
2551
        nogas=warn
2552
        check_cflags -maltivec -mabi=altivec &&
2553
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2554
        check_cflags -faltivec
2555

    
2556
        # check if our compiler supports Motorola AltiVec C API
2557
        check_cc <<EOF || disable altivec
2558
$inc_altivec_h
2559
int main(void) {
2560
    vector signed int v1, v2, v3;
2561
    v1 = vec_add(v2,v3);
2562
    return 0;
2563
}
2564
EOF
2565

    
2566
        # check if our compiler supports braces for vector declarations
2567
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2568
$inc_altivec_h
2569
int main (void) { (vector int) {1}; return 0; }
2570
EOF
2571
    fi
2572

    
2573
elif enabled sparc; then
2574

    
2575
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2576
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2577

    
2578
elif enabled x86; then
2579

    
2580
    enable local_aligned_8 local_aligned_16
2581

    
2582
    # check whether EBP is available on x86
2583
    # As 'i' is stored on the stack, this program will crash
2584
    # if the base pointer is used to access it because the
2585
    # base pointer is cleared in the inline assembly code.
2586
    check_exec_crash <<EOF && enable ebp_available
2587
    volatile int i=0;
2588
    __asm__ volatile (
2589
        "xorl %%ebp, %%ebp"
2590
    ::: "%ebp");
2591
    return i;
2592
EOF
2593

    
2594
    # check whether EBX is available on x86
2595
    check_asm ebx_available '""::"b"(0)' &&
2596
        check_asm ebx_available '"":::"%ebx"'
2597

    
2598
    # check whether xmm clobbers are supported
2599
    check_asm xmm_clobbers '"":::"%xmm0"'
2600

    
2601
    # check whether more than 10 operands are supported
2602
    check_cc <<EOF && enable ten_operands
2603
int main(void) {
2604
    int x=0;
2605
    __asm__ volatile(
2606
        ""
2607
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2608
    );
2609
    return 0;
2610
}
2611
EOF
2612

    
2613
    # check whether binutils is new enough to compile SSSE3/MMX2
2614
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2615
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2616

    
2617
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2618

    
2619
    if ! disabled_any asm mmx yasm; then
2620
        if check_cmd $yasmexe --version; then
2621
            enabled x86_64 && yasm_extra="-m amd64"
2622
            yasm_debug="-g dwarf2"
2623
        elif check_cmd nasm -v; then
2624
            yasmexe=nasm
2625
            yasm_debug="-g -F dwarf"
2626
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2627
        fi
2628

    
2629
        YASMFLAGS="-f $objformat $yasm_extra"
2630
        enabled pic               && append YASMFLAGS "-DPIC"
2631
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2632
        case "$objformat" in
2633
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2634
        esac
2635

    
2636
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2637
            die "yasm not found, use --disable-yasm for a crippled build"
2638
    fi
2639

    
2640
    case "$cpu" in
2641
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2642
            disable fast_clz
2643
        ;;
2644
    esac
2645

    
2646
fi
2647

    
2648
if enabled asm; then
2649
    as=${gas:=$as}
2650
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2651
        $nogas "GNU assembler not found, install gas-preprocessor"
2652
fi
2653

    
2654
if check_func dlopen; then
2655
    ldl=
2656
elif check_func dlopen -ldl; then
2657
    ldl=-ldl
2658
fi
2659

    
2660
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2661
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2662

    
2663
check_func  fcntl
2664
check_func  fork
2665
check_func  getaddrinfo $network_extralibs
2666
check_func  gethrtime
2667
check_func  getrusage
2668
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2669
check_func  inet_aton $network_extralibs
2670
check_func  isatty
2671
check_func  ${malloc_prefix}memalign            && enable memalign
2672
check_func  mkstemp
2673
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2674
check_func  setrlimit
2675
check_func  strerror_r
2676
check_func  strtok_r
2677
check_func_headers io.h setmode
2678
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2679
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2680
check_func_headers windows.h GetProcessTimes
2681
check_func_headers windows.h VirtualAlloc
2682

    
2683
check_header conio.h
2684
check_header dlfcn.h
2685
check_header dxva2api.h
2686
check_header malloc.h
2687
check_header poll.h
2688
check_header sys/mman.h
2689
check_header sys/resource.h
2690
check_header sys/select.h
2691
check_header termios.h
2692
check_header vdpau/vdpau.h
2693
check_header vdpau/vdpau_x11.h
2694
check_header X11/extensions/XvMClib.h
2695

    
2696
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2697

    
2698
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2699
     enabled_any $need_memalign ; then
2700
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2701
fi
2702

    
2703
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2704
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2705

    
2706
# check for some common methods of building with pthread support
2707
# do this before the optional library checks as some of them require pthreads
2708
if ! disabled pthreads && ! enabled w32threads; then
2709
    enable pthreads
2710
    if check_func pthread_create; then
2711
        :
2712
    elif check_func pthread_create -pthread; then
2713
        add_cflags -pthread
2714
        add_extralibs -pthread
2715
    elif check_func pthread_create -pthreads; then
2716
        add_cflags -pthreads
2717
        add_extralibs -pthreads
2718
    elif check_func pthread_create -lpthreadGC2; then
2719
        add_extralibs -lpthreadGC2
2720
    elif ! check_lib pthread.h pthread_create -lpthread; then
2721
        disable pthreads
2722
    fi
2723
fi
2724

    
2725
for thread in $THREADS_LIST; do
2726
    if enabled $thread; then
2727
        test -n "$thread_type" &&
2728
            die "ERROR: Only one thread type must be selected." ||
2729
            thread_type="$thread"
2730
    fi
2731
done
2732

    
2733
check_lib math.h sin -lm
2734
disabled vaapi || check_lib va/va.h vaInitialize -lva
2735

    
2736
check_mathfunc exp2
2737
check_mathfunc exp2f
2738
check_mathfunc llrint
2739
check_mathfunc llrintf
2740
check_mathfunc log2
2741
check_mathfunc log2f
2742
check_mathfunc lrint
2743
check_mathfunc lrintf
2744
check_mathfunc round
2745
check_mathfunc roundf
2746
check_mathfunc truncf
2747

    
2748
# these are off by default, so fail if requested and not available
2749
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2750
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2751
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2752
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2753
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2754
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2755
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2756
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2757
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2758
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2759
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2760
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2761
                        die "ERROR: libopencv not found"; }
2762
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2763
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2764
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2765
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2766
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2767
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2768
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2769
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2770
enabled libvpx     && {
2771
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2772
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2773
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2774
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2775
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2776
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2777
                        die "ERROR: libx264 version must be >= 0.99."; }
2778
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2779
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2780
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2781

    
2782
# libdc1394 check
2783
if enabled libdc1394; then
2784
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2785
        enable libdc1394_2; } ||
2786
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2787
        enable libdc1394_1; } ||
2788
    die "ERROR: No version of libdc1394 found "
2789
fi
2790

    
2791
SDL_CONFIG="${cross_prefix}sdl-config"
2792
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2793
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2794
    sdl_libs=$("${SDL_CONFIG}" --libs)
2795
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2796
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2797
    enable sdl &&
2798
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2799
fi
2800

    
2801
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2802

    
2803
if enabled network; then
2804
    check_type "sys/types.h sys/socket.h" socklen_t
2805
    check_type netdb.h "struct addrinfo"
2806
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2807
    check_type netinet/in.h "struct sockaddr_in6"
2808
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2809
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2810
    # Prefer arpa/inet.h over winsock2
2811
    if check_header arpa/inet.h ; then
2812
        check_func closesocket
2813
    elif check_header winsock2.h ; then
2814
        check_func_headers winsock2.h closesocket -lws2 && \
2815
            network_extralibs="-lws2" || \
2816
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2817
            network_extralibs="-lws2_32"; }
2818
        check_type ws2tcpip.h socklen_t
2819
        check_type ws2tcpip.h "struct addrinfo"
2820
        check_type ws2tcpip.h "struct ipv6_mreq"
2821
        check_type ws2tcpip.h "struct sockaddr_in6"
2822
        check_type ws2tcpip.h "struct sockaddr_storage"
2823
        check_struct winsock2.h "struct sockaddr" sa_len
2824
    else
2825
        disable network
2826
    fi
2827
fi
2828

    
2829
check_header linux/videodev.h
2830
check_header linux/videodev2.h
2831
check_header sys/videoio.h
2832

    
2833
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2834
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2835
# w32api 3.12 had it defined wrong
2836
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2837

    
2838
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2839
{ check_header dev/bktr/ioctl_meteor.h &&
2840
  check_header dev/bktr/ioctl_bt848.h; } ||
2841
{ check_header machine/ioctl_meteor.h &&
2842
  check_header machine/ioctl_bt848.h; } ||
2843
{ check_header dev/video/meteor/ioctl_meteor.h &&
2844
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2845
check_header dev/ic/bt8xx.h
2846

    
2847
check_header sys/soundcard.h
2848
check_header soundcard.h
2849

    
2850
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2851

    
2852
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2853

    
2854
enabled x11grab                         &&
2855
check_header X11/Xlib.h                 &&
2856
check_header X11/extensions/XShm.h      &&
2857
check_header X11/extensions/Xfixes.h    &&
2858
check_func XOpenDisplay -lX11           &&
2859
check_func XShmCreateImage -lX11 -lXext &&
2860
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2861

    
2862
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2863
check_cpp_condition \
2864
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2865
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2866
      disable vdpau; }
2867
fi
2868

    
2869
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2870

    
2871
# add some useful compiler flags if supported
2872
check_cflags -Wdeclaration-after-statement
2873
check_cflags -Wall
2874
check_cflags -Wno-parentheses
2875
check_cflags -Wno-switch
2876
check_cflags -Wdisabled-optimization
2877
check_cflags -Wpointer-arith
2878
check_cflags -Wredundant-decls
2879
check_cflags -Wno-pointer-sign
2880
check_cflags -Wcast-qual
2881
check_cflags -Wwrite-strings
2882
check_cflags -Wtype-limits
2883
check_cflags -Wundef
2884
check_cflags -Wmissing-prototypes
2885
enabled extra_warnings && check_cflags -Winline
2886

    
2887
# add some linker flags
2888
check_ldflags -Wl,--warn-common
2889
check_ldflags -Wl,--as-needed
2890
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)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2891
check_ldflags -Wl,-Bsymbolic
2892

    
2893
echo "X{};" > $TMPV
2894
if test_ldflags -Wl,--version-script,$TMPV; then
2895
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2896
    check_cc <<EOF && enable symver_asm_label
2897
void ff_foo(void) __asm__ ("av_foo@VERSION");
2898
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2899
EOF
2900
    check_cc <<EOF && enable symver_gnu_asm
2901
__asm__(".symver ff_foo,av_foo@VERSION");
2902
void ff_foo(void) {}
2903
EOF
2904
fi
2905

    
2906
if enabled small; then
2907
    add_cflags $size_cflags
2908
    optimizations="small"
2909
elif enabled optimizations; then
2910
    add_cflags $speed_cflags
2911
else
2912
    add_cflags $noopt_cflags
2913
fi
2914
check_cflags -fno-math-errno
2915
check_cflags -fno-signed-zeros
2916

    
2917
if enabled icc; then
2918
    # Just warnings, no remarks
2919
    check_cflags -w1
2920
    # -wd: Disable following warnings
2921
    # 144, 167, 556: -Wno-pointer-sign
2922
    # 10006: ignoring unknown option -fno-signed-zeros
2923
    # 10148: ignoring unknown option -Wno-parentheses
2924
    # 10156: ignoring option '-W'; no argument required
2925
    check_cflags -wd144,167,556,10006,10148,10156
2926
    # 11030: Warning unknown option --as-needed
2927
    # 10156: ignoring option '-export'; no argument required
2928
    check_ldflags -wd10156,11030
2929
    # Allow to compile with optimizations
2930
    check_ldflags -march=$cpu
2931
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2932
    enable ebp_available
2933
    if enabled x86_32; then
2934
        test ${icc_version%%.*} -ge 11 && \
2935
            check_cflags -falign-stack=maintain-16-byte || \
2936
            disable aligned_stack
2937
    fi
2938
elif enabled ccc; then
2939
    # disable some annoying warnings
2940
    add_cflags -msg_disable cvtu32to64
2941
    add_cflags -msg_disable embedcomment
2942
    add_cflags -msg_disable needconstext
2943
    add_cflags -msg_disable nomainieee
2944
    add_cflags -msg_disable ptrmismatch1
2945
    add_cflags -msg_disable unreachcode
2946
elif enabled gcc; then
2947
    check_cflags -fno-tree-vectorize
2948
    check_cflags -Werror=implicit-function-declaration
2949
    check_cflags -Werror=missing-prototypes
2950
elif enabled llvm_gcc; then
2951
    check_cflags -mllvm -stack-alignment=16
2952
elif enabled clang; then
2953
    check_cflags -mllvm -stack-alignment=16
2954
    check_cflags -Qunused-arguments
2955
elif enabled armcc; then
2956
    # 2523: use of inline assembler is deprecated
2957
    add_cflags -W${armcc_opt},--diag_suppress=2523
2958
    add_cflags -W${armcc_opt},--diag_suppress=1207
2959
elif enabled tms470; then
2960
    add_cflags -pds=824 -pds=837
2961
fi
2962

    
2963
enabled_any $THREADS_LIST      && enable threads
2964

    
2965
check_deps $CONFIG_LIST       \
2966
           $CONFIG_EXTRA      \
2967
           $HAVE_LIST         \
2968
           $DECODER_LIST      \
2969
           $ENCODER_LIST      \
2970
           $HWACCEL_LIST      \
2971
           $PARSER_LIST       \
2972
           $BSF_LIST          \
2973
           $DEMUXER_LIST      \
2974
           $MUXER_LIST        \
2975
           $FILTER_LIST       \
2976
           $INDEV_LIST        \
2977
           $OUTDEV_LIST       \
2978
           $PROTOCOL_LIST     \
2979
           $ACODEC_TESTS      \
2980
           $VCODEC_TESTS      \
2981
           $LAVF_TESTS        \
2982
           $LAVFI_TESTS       \
2983
           $SEEK_TESTS        \
2984

    
2985
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2986

    
2987
echo "install prefix            $prefix"
2988
echo "source path               $source_path"
2989
echo "C compiler                $cc"
2990
echo "ARCH                      $arch ($cpu)"
2991
if test "$build_suffix" != ""; then
2992
    echo "build suffix              $build_suffix"
2993
fi
2994
if test "$extra_version" != ""; then
2995
    echo "version string suffix     $extra_version"
2996
fi
2997
echo "big-endian                ${bigendian-no}"
2998
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2999
if enabled x86; then
3000
    echo "yasm                      ${yasm-no}"
3001
    echo "MMX enabled               ${mmx-no}"
3002
    echo "MMX2 enabled              ${mmx2-no}"
3003
    echo "3DNow! enabled            ${amd3dnow-no}"
3004
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3005
    echo "SSE enabled               ${sse-no}"
3006
    echo "SSSE3 enabled             ${ssse3-no}"
3007
    echo "CMOV enabled              ${cmov-no}"
3008
    echo "CMOV is fast              ${fast_cmov-no}"
3009
    echo "EBX available             ${ebx_available-no}"
3010
    echo "EBP available             ${ebp_available-no}"
3011
    echo "10 operands supported     ${ten_operands-no}"
3012
fi
3013
if enabled arm; then
3014
    echo "ARMv5TE enabled           ${armv5te-no}"
3015
    echo "ARMv6 enabled             ${armv6-no}"
3016
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3017
    echo "ARM VFP enabled           ${armvfp-no}"
3018
    echo "IWMMXT enabled            ${iwmmxt-no}"
3019
    echo "NEON enabled              ${neon-no}"
3020
fi
3021
if enabled mips; then
3022
    echo "MMI enabled               ${mmi-no}"
3023
fi
3024
if enabled ppc; then
3025
    echo "AltiVec enabled           ${altivec-no}"
3026
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3027
    echo "dcbzl available           ${dcbzl-no}"
3028
fi
3029
if enabled sparc; then
3030
    echo "VIS enabled               ${vis-no}"
3031
fi
3032
echo "debug symbols             ${debug-no}"
3033
echo "strip symbols             ${stripping-no}"
3034
echo "optimizations             ${optimizations-no}"
3035
echo "static                    ${static-no}"
3036
echo "shared                    ${shared-no}"
3037
echo "postprocessing support    ${postproc-no}"
3038
echo "new filter support        ${avfilter-no}"
3039
echo "network support           ${network-no}"
3040
echo "threading support         ${thread_type-no}"
3041
echo "SDL support               ${sdl-no}"
3042
echo "Sun medialib support      ${mlib-no}"
3043
echo "AVISynth enabled          ${avisynth-no}"
3044
echo "frei0r enabled            ${frei0r-no}"
3045
echo "libdc1394 support         ${libdc1394-no}"
3046
echo "libdirac enabled          ${libdirac-no}"
3047
echo "libfaac enabled           ${libfaac-no}"
3048
echo "libgsm enabled            ${libgsm-no}"
3049
echo "libmp3lame enabled        ${libmp3lame-no}"
3050
echo "libnut enabled            ${libnut-no}"
3051
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3052
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3053
echo "libopencv support         ${libopencv-no}"
3054
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3055
echo "librtmp enabled           ${librtmp-no}"
3056
echo "libschroedinger enabled   ${libschroedinger-no}"
3057
echo "libspeex enabled          ${libspeex-no}"
3058
echo "libtheora enabled         ${libtheora-no}"
3059
echo "libvorbis enabled         ${libvorbis-no}"
3060
echo "libvpx enabled            ${libvpx-no}"
3061
echo "libx264 enabled           ${libx264-no}"
3062
echo "libxavs enabled           ${libxavs-no}"
3063
echo "libxvid enabled           ${libxvid-no}"
3064
echo "zlib enabled              ${zlib-no}"
3065
echo "bzlib enabled             ${bzlib-no}"
3066
echo
3067

    
3068
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3069
    echo "Enabled ${type}s:"
3070
    eval list=\$$(toupper $type)_LIST
3071
    print_enabled '_*' $list | sort | pr -3 -t
3072
    echo
3073
done
3074

    
3075
license="LGPL version 2.1 or later"
3076
if enabled nonfree; then
3077
    license="nonfree and unredistributable"
3078
elif enabled gplv3; then
3079
    license="GPL version 3 or later"
3080
elif enabled lgplv3; then
3081
    license="LGPL version 3 or later"
3082
elif enabled gpl; then
3083
    license="GPL version 2 or later"
3084
fi
3085

    
3086
echo "License: $license"
3087

    
3088
echo "Creating config.mak and config.h..."
3089

    
3090
# build tree in object directory if source path is different from current one
3091
if enabled source_path_used; then
3092
    DIRS="
3093
        doc
3094
        libavcodec
3095
        libavcodec/$arch
3096
        libavcore
3097
        libavdevice
3098
        libavfilter
3099
        libavfilter/$arch
3100
        libavformat
3101
        libavutil
3102
        libavutil/$arch
3103
        libpostproc
3104
        libswscale
3105
        libswscale/$arch
3106
        tests
3107
        tools
3108
    "
3109
    FILES="
3110
        Makefile
3111
        common.mak
3112
        subdir.mak
3113
        doc/texi2pod.pl
3114
        libavcodec/Makefile
3115
        libavcodec/${arch}/Makefile
3116
        libavcore/Makefile
3117
        libavdevice/Makefile
3118
        libavfilter/Makefile
3119
        libavfilter/${arch}/Makefile
3120
        libavformat/Makefile
3121
        libavutil/Makefile
3122
        libpostproc/Makefile
3123
        libswscale/Makefile
3124
    "
3125
    map 'mkdir -p $v' $DIRS;
3126
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3127
fi
3128

    
3129
enabled stripping || strip="echo skipping strip"
3130

    
3131
config_files="$TMPH config.mak"
3132

    
3133
cat > config.mak <<EOF
3134
# Automatically generated by configure - do not modify!
3135
ifndef FFMPEG_CONFIG_MAK
3136
FFMPEG_CONFIG_MAK=1
3137
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3138
prefix=$prefix
3139
LIBDIR=\$(DESTDIR)$libdir
3140
SHLIBDIR=\$(DESTDIR)$shlibdir
3141
INCDIR=\$(DESTDIR)$incdir
3142
BINDIR=\$(DESTDIR)$bindir
3143
DATADIR=\$(DESTDIR)$datadir
3144
MANDIR=\$(DESTDIR)$mandir
3145
SRC_PATH="$source_path"
3146
SRC_PATH_BARE=$source_path
3147
BUILD_ROOT="$PWD"
3148
CC_IDENT=$cc_ident
3149
ARCH=$arch
3150
CC=$cc
3151
AS=$as
3152
LD=$ld
3153
DEPCC=$dep_cc
3154
YASM=$yasmexe
3155
YASMDEP=$yasmexe
3156
AR=$ar
3157
RANLIB=$ranlib
3158
CP=cp -p
3159
LN_S=$ln_s
3160
STRIP=$strip
3161
CPPFLAGS=$CPPFLAGS
3162
CFLAGS=$CFLAGS
3163
ASFLAGS=$ASFLAGS
3164
CC_O=$CC_O
3165
LDFLAGS=$LDFLAGS
3166
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3167
SHFLAGS=$SHFLAGS
3168
YASMFLAGS=$YASMFLAGS
3169
BUILDSUF=$build_suffix
3170
FULLNAME=$FULLNAME
3171
LIBPREF=$LIBPREF
3172
LIBSUF=$LIBSUF
3173
LIBNAME=$LIBNAME
3174
SLIBPREF=$SLIBPREF
3175
SLIBSUF=$SLIBSUF
3176
EXESUF=$EXESUF
3177
EXTRA_VERSION=$extra_version
3178
DEPFLAGS=$DEPFLAGS
3179
CCDEP=$CCDEP
3180
ASDEP=$ASDEP
3181
CC_DEPFLAGS=$CC_DEPFLAGS
3182
AS_DEPFLAGS=$AS_DEPFLAGS
3183
HOSTCC=$host_cc
3184
HOSTCFLAGS=$host_cflags
3185
HOSTEXESUF=$HOSTEXESUF
3186
HOSTLDFLAGS=$host_ldflags
3187
HOSTLIBS=$host_libs
3188
TARGET_EXEC=$target_exec
3189
TARGET_PATH=$target_path
3190
SDL_LIBS=$sdl_libs
3191
SDL_CFLAGS=$sdl_cflags
3192
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3193
EXTRALIBS=$extralibs
3194
INSTALL=install
3195
LIBTARGET=${LIBTARGET}
3196
SLIBNAME=${SLIBNAME}
3197
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3198
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3199
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3200
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3201
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3202
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3203
SAMPLES=$samples
3204
EOF
3205

    
3206
get_version(){
3207
    name=$1
3208
    file=$source_path/$2
3209
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3210
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3211
    lcname=$(tolower $name)
3212
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3213
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3214
}
3215

    
3216
get_version LIBSWSCALE  libswscale/swscale.h
3217
get_version LIBPOSTPROC libpostproc/postprocess.h
3218
get_version LIBAVCODEC  libavcodec/avcodec.h
3219
get_version LIBAVCORE   libavcore/avcore.h
3220
get_version LIBAVDEVICE libavdevice/avdevice.h
3221
get_version LIBAVFORMAT libavformat/avformat.h
3222
get_version LIBAVUTIL   libavutil/avutil.h
3223
get_version LIBAVFILTER libavfilter/avfilter.h
3224

    
3225
cat > $TMPH <<EOF
3226
/* Automatically generated by configure - do not modify! */
3227
#ifndef FFMPEG_CONFIG_H
3228
#define FFMPEG_CONFIG_H
3229
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3230
#define FFMPEG_LICENSE "$(c_escape $license)"
3231
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3232
#define CC_TYPE "$cc_type"
3233
#define CC_VERSION $cc_version
3234
#define restrict $_restrict
3235
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3236
#define EXTERN_PREFIX "${extern_prefix}"
3237
#define EXTERN_ASM ${extern_prefix}
3238
#define SLIBSUF "$SLIBSUF"
3239
EOF
3240

    
3241
test -n "$malloc_prefix" &&
3242
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3243

    
3244
if enabled small || disabled optimizations; then
3245
    echo "#undef  av_always_inline"  >> $TMPH
3246
    echo "#define av_always_inline"  >> $TMPH
3247
fi
3248

    
3249
if enabled yasm; then
3250
    append config_files $TMPASM
3251
    printf '' >$TMPASM
3252
fi
3253

    
3254
print_config ARCH_   "$config_files" $ARCH_LIST
3255
print_config HAVE_   "$config_files" $HAVE_LIST
3256
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3257
                                     $CONFIG_EXTRA      \
3258
                                     $DECODER_LIST      \
3259
                                     $ENCODER_LIST      \
3260
                                     $HWACCEL_LIST      \
3261
                                     $PARSER_LIST       \
3262
                                     $BSF_LIST          \
3263
                                     $DEMUXER_LIST      \
3264
                                     $MUXER_LIST        \
3265
                                     $FILTER_LIST       \
3266
                                     $PROTOCOL_LIST     \
3267
                                     $INDEV_LIST        \
3268
                                     $OUTDEV_LIST       \
3269

    
3270
cat >>config.mak <<EOF
3271
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3272
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3273
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3274
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3275
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3276
EOF
3277

    
3278
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3279
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3280

    
3281
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3282
cp_if_changed $TMPH config.h
3283
touch .config
3284

    
3285
enabled yasm && cp_if_changed $TMPASM config.asm
3286

    
3287
cat > $TMPH <<EOF
3288
/* Generated by ffconf */
3289
#ifndef AVUTIL_AVCONFIG_H
3290
#define AVUTIL_AVCONFIG_H
3291
EOF
3292

    
3293
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3294

    
3295
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3296

    
3297
cp_if_changed $TMPH libavutil/avconfig.h
3298

    
3299
test -n "$WARNINGS" && printf "\n$WARNINGS"
3300

    
3301
# build pkg-config files
3302

    
3303
pkgconfig_generate(){
3304
name=$1
3305
shortname=${name#lib}${build_suffix}
3306
comment=$2
3307
version=$3
3308
libs=$4
3309
requires=$5
3310
enabled ${name#lib} || return 0
3311
cat <<EOF > $name/$name.pc
3312
prefix=$prefix
3313
exec_prefix=\${prefix}
3314
libdir=$libdir
3315
includedir=$incdir
3316

    
3317
Name: $name
3318
Description: $comment
3319
Version: $version
3320
Requires: $(enabled shared || echo $requires)
3321
Requires.private: $(enabled shared && echo $requires)
3322
Conflicts:
3323
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3324
Libs.private: $(enabled shared && echo $libs)
3325
Cflags: -I\${includedir}
3326
EOF
3327
cat <<EOF > $name/$name-uninstalled.pc
3328
prefix=
3329
exec_prefix=
3330
libdir=\${pcfiledir}
3331
includedir=${source_path}
3332

    
3333
Name: $name
3334
Description: $comment
3335
Version: $version
3336
Requires: $requires
3337
Conflicts:
3338
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3339
Cflags: -I\${includedir}
3340
EOF
3341
}
3342

    
3343
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3344
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3345
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3346
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3347
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3348
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3349
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3350
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"