Statistics
| Branch: | Revision:

ffmpeg / configure @ 6f74fb03

History | View | Annotate | Download (97.9 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
    runtime_cpudetect
916
    shared
917
    small
918
    sram
919
    static
920
    swscale
921
    swscale_alpha
922
    vaapi
923
    vdpau
924
    version3
925
    x11grab
926
    zlib
927
"
928

    
929
THREADS_LIST='
930
    pthreads
931
    w32threads
932
'
933

    
934
ARCH_LIST='
935
    alpha
936
    arm
937
    avr32
938
    avr32_ap
939
    avr32_uc
940
    bfin
941
    ia64
942
    m68k
943
    mips
944
    mips64
945
    parisc
946
    ppc
947
    ppc64
948
    s390
949
    sh4
950
    sparc
951
    sparc64
952
    tomi
953
    x86
954
    x86_32
955
    x86_64
956
'
957

    
958
ARCH_EXT_LIST='
959
    altivec
960
    amd3dnow
961
    amd3dnowext
962
    armv5te
963
    armv6
964
    armv6t2
965
    armvfp
966
    iwmmxt
967
    mmi
968
    mmx
969
    mmx2
970
    neon
971
    ppc4xx
972
    sse
973
    ssse3
974
    vis
975
'
976

    
977
HAVE_LIST_PUB='
978
    bigendian
979
    fast_unaligned
980
'
981

    
982
HAVE_LIST="
983
    $ARCH_EXT_LIST
984
    $HAVE_LIST_PUB
985
    $THREADS_LIST
986
    aligned_stack
987
    alsa_asoundlib_h
988
    altivec_h
989
    arpa_inet_h
990
    attribute_may_alias
991
    attribute_packed
992
    bswap
993
    closesocket
994
    cmov
995
    conio_h
996
    dcbzl
997
    dev_bktr_ioctl_bt848_h
998
    dev_bktr_ioctl_meteor_h
999
    dev_ic_bt8xx_h
1000
    dev_video_meteor_ioctl_meteor_h
1001
    dev_video_bktr_ioctl_bt848_h
1002
    dlfcn_h
1003
    dlopen
1004
    dos_paths
1005
    ebp_available
1006
    ebx_available
1007
    exp2
1008
    exp2f
1009
    fast_64bit
1010
    fast_clz
1011
    fast_cmov
1012
    fcntl
1013
    fork
1014
    getaddrinfo
1015
    gethrtime
1016
    GetProcessMemoryInfo
1017
    GetProcessTimes
1018
    getrusage
1019
    gnu_as
1020
    struct_rusage_ru_maxrss
1021
    ibm_asm
1022
    inet_aton
1023
    inline_asm
1024
    isatty
1025
    ldbrx
1026
    libdc1394_1
1027
    libdc1394_2
1028
    llrint
1029
    llrintf
1030
    local_aligned_16
1031
    local_aligned_8
1032
    log2
1033
    log2f
1034
    loongson
1035
    lrint
1036
    lrintf
1037
    lzo1x_999_compress
1038
    machine_ioctl_bt848_h
1039
    machine_ioctl_meteor_h
1040
    malloc_h
1041
    memalign
1042
    mkstemp
1043
    pld
1044
    posix_memalign
1045
    round
1046
    roundf
1047
    sdl
1048
    sdl_video_size
1049
    setmode
1050
    socklen_t
1051
    soundcard_h
1052
    poll_h
1053
    setrlimit
1054
    strerror_r
1055
    strtok_r
1056
    struct_addrinfo
1057
    struct_ipv6_mreq
1058
    struct_sockaddr_in6
1059
    struct_sockaddr_sa_len
1060
    struct_sockaddr_storage
1061
    symver
1062
    symver_gnu_asm
1063
    symver_asm_label
1064
    sys_mman_h
1065
    sys_resource_h
1066
    sys_select_h
1067
    sys_soundcard_h
1068
    sys_videoio_h
1069
    ten_operands
1070
    termios_h
1071
    threads
1072
    truncf
1073
    vfp_args
1074
    VirtualAlloc
1075
    winsock2_h
1076
    xform_asm
1077
    xmm_clobbers
1078
    yasm
1079
"
1080

    
1081
# options emitted with CONFIG_ prefix but not available on command line
1082
CONFIG_EXTRA="
1083
    avutil
1084
    gplv3
1085
    lgplv3
1086
"
1087

    
1088
CMDLINE_SELECT="
1089
    $ARCH_EXT_LIST
1090
    $CONFIG_LIST
1091
    $THREADS_LIST
1092
    asm
1093
    cross_compile
1094
    debug
1095
    extra_warnings
1096
    logging
1097
    optimizations
1098
    stripping
1099
    yasm
1100
"
1101

    
1102
PATHS_LIST='
1103
    bindir
1104
    datadir
1105
    incdir
1106
    libdir
1107
    mandir
1108
    prefix
1109
    shlibdir
1110
'
1111

    
1112
CMDLINE_SET="
1113
    $PATHS_LIST
1114
    ar
1115
    arch
1116
    as
1117
    build_suffix
1118
    cc
1119
    cpu
1120
    cross_prefix
1121
    dep_cc
1122
    extra_version
1123
    host_cc
1124
    host_cflags
1125
    host_ldflags
1126
    host_libs
1127
    host_os
1128
    ld
1129
    logfile
1130
    malloc_prefix
1131
    nm
1132
    samples
1133
    source_path
1134
    strip
1135
    sysinclude
1136
    sysroot
1137
    target_exec
1138
    target_os
1139
    target_path
1140
"
1141

    
1142
CMDLINE_APPEND="
1143
    extra_cflags
1144
"
1145

    
1146
# code dependency declarations
1147

    
1148
# architecture extensions
1149

    
1150
armv5te_deps="arm"
1151
armv6_deps="arm"
1152
armv6t2_deps="arm"
1153
armvfp_deps="arm"
1154
iwmmxt_deps="arm"
1155
neon_deps="arm"
1156

    
1157
mmi_deps="mips"
1158

    
1159
altivec_deps="ppc"
1160
ppc4xx_deps="ppc"
1161

    
1162
vis_deps="sparc"
1163

    
1164
x86_64_suggest="cmov fast_cmov"
1165
amd3dnow_deps="mmx"
1166
amd3dnowext_deps="amd3dnow"
1167
mmx_deps="x86"
1168
mmx2_deps="mmx"
1169
sse_deps="mmx"
1170
ssse3_deps="sse"
1171

    
1172
aligned_stack_if_any="ppc x86"
1173
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1174
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1175
fast_unaligned_if_any="armv6 ppc x86"
1176

    
1177
need_memalign="altivec neon sse"
1178
inline_asm_deps="!tms470"
1179

    
1180
symver_if_any="symver_asm_label symver_gnu_asm"
1181

    
1182
# subsystems
1183
dct_select="rdft"
1184
mdct_select="fft"
1185
rdft_select="fft"
1186

    
1187
# decoders / encoders / hardware accelerators
1188
aac_decoder_select="mdct rdft"
1189
aac_encoder_select="mdct"
1190
ac3_decoder_select="mdct ac3_parser"
1191
alac_encoder_select="lpc"
1192
amrnb_decoder_select="lsp"
1193
atrac1_decoder_select="mdct"
1194
atrac3_decoder_select="mdct"
1195
binkaudio_dct_decoder_select="mdct rdft dct"
1196
binkaudio_rdft_decoder_select="mdct rdft"
1197
cavs_decoder_select="golomb"
1198
cook_decoder_select="mdct"
1199
cscd_decoder_suggest="zlib"
1200
dca_decoder_select="mdct"
1201
dnxhd_encoder_select="aandct"
1202
dxa_decoder_select="zlib"
1203
eac3_decoder_select="ac3_decoder"
1204
eamad_decoder_select="aandct"
1205
eatgq_decoder_select="aandct"
1206
eatqi_decoder_select="aandct"
1207
ffv1_decoder_select="golomb"
1208
flac_decoder_select="golomb"
1209
flac_encoder_select="golomb lpc"
1210
flashsv_decoder_select="zlib"
1211
flashsv_encoder_select="zlib"
1212
flv_decoder_select="h263_decoder"
1213
flv_encoder_select="h263_encoder"
1214
fraps_decoder_select="huffman"
1215
h261_encoder_select="aandct"
1216
h263_decoder_select="h263_parser"
1217
h263_encoder_select="aandct"
1218
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1219
h263i_decoder_select="h263_decoder"
1220
h263p_encoder_select="h263_encoder"
1221
h264_decoder_select="golomb h264dsp h264pred"
1222
h264_dxva2_hwaccel_deps="dxva2api_h"
1223
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1224
h264_vaapi_hwaccel_select="vaapi"
1225
h264_vdpau_decoder_select="vdpau h264_decoder"
1226
imc_decoder_select="fft mdct"
1227
jpegls_decoder_select="golomb"
1228
jpegls_encoder_select="golomb"
1229
ljpeg_encoder_select="aandct"
1230
loco_decoder_select="golomb"
1231
mjpeg_encoder_select="aandct"
1232
mlp_decoder_select="mlp_parser"
1233
mp1float_decoder_select="dct"
1234
mp2float_decoder_select="dct"
1235
mp3adufloat_decoder_select="dct"
1236
mp3float_decoder_select="dct"
1237
mp3on4float_decoder_select="dct"
1238
mpeg1video_encoder_select="aandct"
1239
mpeg2video_encoder_select="aandct"
1240
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1241
mpeg4_encoder_select="h263_encoder"
1242
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1243
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1244
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1245
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1246
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1247
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1248
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1249
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1250
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1251
msmpeg4v1_decoder_select="h263_decoder"
1252
msmpeg4v1_encoder_select="h263_encoder"
1253
msmpeg4v2_decoder_select="h263_decoder"
1254
msmpeg4v2_encoder_select="h263_encoder"
1255
msmpeg4v3_decoder_select="h263_decoder"
1256
msmpeg4v3_encoder_select="h263_encoder"
1257
nellymoser_decoder_select="mdct"
1258
nellymoser_encoder_select="mdct"
1259
png_decoder_select="zlib"
1260
png_encoder_select="zlib"
1261
qcelp_decoder_select="lsp"
1262
qdm2_decoder_select="mdct rdft"
1263
ra_144_encoder_select="lpc"
1264
rv10_decoder_select="h263_decoder"
1265
rv10_encoder_select="h263_encoder"
1266
rv20_decoder_select="h263_decoder"
1267
rv20_encoder_select="h263_encoder"
1268
rv30_decoder_select="golomb h264pred"
1269
rv40_decoder_select="golomb h264pred"
1270
shorten_decoder_select="golomb"
1271
sipr_decoder_select="lsp"
1272
snow_decoder_select="dwt"
1273
snow_encoder_select="aandct dwt"
1274
sonic_decoder_select="golomb"
1275
sonic_encoder_select="golomb"
1276
sonic_ls_encoder_select="golomb"
1277
svq1_encoder_select="aandct"
1278
svq3_decoder_select="golomb h264dsp h264pred"
1279
svq3_decoder_suggest="zlib"
1280
theora_decoder_select="vp3_decoder"
1281
tiff_decoder_suggest="zlib"
1282
tiff_encoder_suggest="zlib"
1283
truehd_decoder_select="mlp_decoder"
1284
tscc_decoder_select="zlib"
1285
twinvq_decoder_select="mdct lsp"
1286
vc1_decoder_select="h263_decoder"
1287
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1288
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1289
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1290
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1291
vorbis_decoder_select="mdct"
1292
vorbis_encoder_select="mdct"
1293
vp6_decoder_select="huffman"
1294
vp6a_decoder_select="vp6_decoder"
1295
vp6f_decoder_select="vp6_decoder"
1296
vp8_decoder_select="h264pred"
1297
wmapro_decoder_select="mdct"
1298
wmav1_decoder_select="mdct"
1299
wmav1_encoder_select="mdct"
1300
wmav2_decoder_select="mdct"
1301
wmav2_encoder_select="mdct"
1302
wmavoice_decoder_select="lsp rdft dct mdct"
1303
wmv1_decoder_select="h263_decoder"
1304
wmv1_encoder_select="h263_encoder"
1305
wmv2_decoder_select="h263_decoder"
1306
wmv2_encoder_select="h263_encoder"
1307
wmv3_decoder_select="vc1_decoder"
1308
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1309
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1310
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1311
zlib_decoder_select="zlib"
1312
zlib_encoder_select="zlib"
1313
zmbv_decoder_select="zlib"
1314
zmbv_encoder_select="zlib"
1315

    
1316
vaapi_deps="va_va_h"
1317
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1318

    
1319
# parsers
1320
h264_parser_select="golomb h264dsp h264pred"
1321

    
1322
# external libraries
1323
libdirac_decoder_deps="libdirac !libschroedinger"
1324
libdirac_encoder_deps="libdirac"
1325
libfaac_encoder_deps="libfaac"
1326
libgsm_decoder_deps="libgsm"
1327
libgsm_encoder_deps="libgsm"
1328
libgsm_ms_decoder_deps="libgsm"
1329
libgsm_ms_encoder_deps="libgsm"
1330
libmp3lame_encoder_deps="libmp3lame"
1331
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1332
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1333
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1334
libopenjpeg_decoder_deps="libopenjpeg"
1335
libschroedinger_decoder_deps="libschroedinger"
1336
libschroedinger_encoder_deps="libschroedinger"
1337
libspeex_decoder_deps="libspeex"
1338
libtheora_encoder_deps="libtheora"
1339
libvorbis_encoder_deps="libvorbis"
1340
libvpx_decoder_deps="libvpx"
1341
libvpx_encoder_deps="libvpx"
1342
libx264_encoder_deps="libx264"
1343
libxavs_encoder_deps="libxavs"
1344
libxvid_encoder_deps="libxvid"
1345

    
1346
# demuxers / muxers
1347
ac3_demuxer_deps="ac3_parser"
1348
asf_stream_muxer_select="asf_muxer"
1349
avisynth_demuxer_deps="avisynth"
1350
dirac_demuxer_deps="dirac_parser"
1351
eac3_demuxer_select="ac3_parser"
1352
ipod_muxer_select="mov_muxer"
1353
libnut_demuxer_deps="libnut"
1354
libnut_muxer_deps="libnut"
1355
matroska_audio_muxer_select="matroska_muxer"
1356
matroska_demuxer_suggest="zlib bzlib"
1357
mov_demuxer_suggest="zlib"
1358
mp3_demuxer_deps="mpegaudio_parser"
1359
mp4_muxer_select="mov_muxer"
1360
mpegtsraw_demuxer_select="mpegts_demuxer"
1361
mxf_d10_muxer_select="mxf_muxer"
1362
ogg_demuxer_select="golomb"
1363
psp_muxer_select="mov_muxer"
1364
rtsp_demuxer_select="http_protocol sdp_demuxer"
1365
rtsp_muxer_select="rtp_muxer http_protocol sdp_demuxer"
1366
sdp_demuxer_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer"
1367
spdif_muxer_select="aac_parser"
1368
tg2_muxer_select="mov_muxer"
1369
tgp_muxer_select="mov_muxer"
1370
w64_demuxer_deps="wav_demuxer"
1371

    
1372
# indevs / outdevs
1373
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1374
alsa_outdev_deps="alsa_asoundlib_h"
1375
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1376
dv1394_indev_deps="dv1394 dv_demuxer"
1377
jack_indev_deps="jack_jack_h"
1378
libdc1394_indev_deps="libdc1394"
1379
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1380
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1381
v4l_indev_deps="linux_videodev_h"
1382
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1383
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1384
vfwcap_indev_extralibs="-lavicap32"
1385
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1386
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1387

    
1388
# protocols
1389
gopher_protocol_deps="network"
1390
http_protocol_deps="network"
1391
http_protocol_select="tcp_protocol"
1392
mmsh_protocol_select="http_protocol"
1393
mmst_protocol_deps="network"
1394
rtmp_protocol_select="tcp_protocol"
1395
rtp_protocol_select="udp_protocol"
1396
tcp_protocol_deps="network"
1397
udp_protocol_deps="network"
1398

    
1399
# filters
1400
blackframe_filter_deps="gpl"
1401
frei0r_filter_deps="frei0r dlopen strtok_r"
1402
ocv_smooth_filter_deps="libopencv"
1403
yadif_filter_deps="gpl"
1404

    
1405
# libraries
1406
avdevice_deps="avcodec avformat"
1407
avformat_deps="avcodec"
1408

    
1409
# programs
1410
ffmpeg_deps="avcodec avformat swscale"
1411
ffmpeg_select="buffer_filter"
1412
ffplay_deps="avcodec avformat swscale sdl"
1413
ffplay_select="rdft"
1414
ffprobe_deps="avcodec avformat"
1415
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1416
ffserver_extralibs='$ldl'
1417

    
1418
doc_deps="texi2html"
1419

    
1420
# tests
1421

    
1422
test_deps(){
1423
    suf1=$1
1424
    suf2=$2
1425
    shift 2
1426
    for v; do
1427
        dep=${v%=*}
1428
        tests=${v#*=}
1429
        for name in ${tests}; do
1430
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1431
        done
1432
    done
1433
}
1434

    
1435
set_ne_test_deps(){
1436
    eval ${1}_be_test_deps="bigendian"
1437
    eval ${1}_le_test_deps="!bigendian"
1438
}
1439

    
1440
test_deps _encoder _decoder                                             \
1441
    ac3                                                                 \
1442
    adpcm_g726=g726                                                     \
1443
    adpcm_ima_qt                                                        \
1444
    adpcm_ima_wav                                                       \
1445
    adpcm_ms                                                            \
1446
    adpcm_swf                                                           \
1447
    adpcm_yamaha=adpcm_yam                                              \
1448
    alac                                                                \
1449
    asv1                                                                \
1450
    asv2                                                                \
1451
    bmp                                                                 \
1452
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1453
    dvvideo="dv dv50"                                                   \
1454
    ffv1                                                                \
1455
    flac                                                                \
1456
    flashsv                                                             \
1457
    flv                                                                 \
1458
    gif                                                                 \
1459
    h261                                                                \
1460
    h263="h263 h263p"                                                   \
1461
    huffyuv                                                             \
1462
    jpegls                                                              \
1463
    mjpeg="jpg mjpeg ljpeg"                                             \
1464
    mp2                                                                 \
1465
    mpeg1video="mpeg mpeg1b"                                            \
1466
    mpeg2video="mpeg2 mpeg2thread"                                      \
1467
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1468
    msmpeg4v3=msmpeg4                                                   \
1469
    msmpeg4v2                                                           \
1470
    pbm=pbmpipe                                                         \
1471
    pcx                                                                 \
1472
    pgm="pgm pgmpipe"                                                   \
1473
    ppm="ppm ppmpipe"                                                   \
1474
    rawvideo="rgb yuv"                                                  \
1475
    roq                                                                 \
1476
    rv10                                                                \
1477
    rv20                                                                \
1478
    sgi                                                                 \
1479
    snow="snow snowll"                                                  \
1480
    svq1                                                                \
1481
    targa=tga                                                           \
1482
    tiff                                                                \
1483
    wmav1                                                               \
1484
    wmav2                                                               \
1485
    wmv1                                                                \
1486
    wmv2                                                                \
1487

    
1488
test_deps _muxer _demuxer                                               \
1489
    aiff                                                                \
1490
    pcm_alaw=alaw                                                       \
1491
    asf                                                                 \
1492
    au                                                                  \
1493
    avi                                                                 \
1494
    dv=dv_fmt                                                           \
1495
    ffm                                                                 \
1496
    flv=flv_fmt                                                         \
1497
    gxf                                                                 \
1498
    matroska=mkv                                                        \
1499
    mmf                                                                 \
1500
    mov                                                                 \
1501
    pcm_mulaw=mulaw                                                     \
1502
    mxf                                                                 \
1503
    nut                                                                 \
1504
    ogg                                                                 \
1505
    rawvideo=pixfmt                                                     \
1506
    rm                                                                  \
1507
    swf                                                                 \
1508
    mpegts=ts                                                           \
1509
    voc                                                                 \
1510
    wav                                                                 \
1511
    yuv4mpegpipe=yuv4mpeg                                               \
1512

    
1513
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1514

    
1515
set_ne_test_deps pixdesc
1516
set_ne_test_deps pixfmts_crop
1517
set_ne_test_deps pixfmts_hflip
1518
set_ne_test_deps pixfmts_null
1519
set_ne_test_deps pixfmts_pad
1520
set_ne_test_deps pixfmts_scale
1521
set_ne_test_deps pixfmts_vflip
1522

    
1523
# default parameters
1524

    
1525
logfile="config.log"
1526

    
1527
# installation paths
1528
prefix_default="/usr/local"
1529
bindir_default='${prefix}/bin'
1530
datadir_default='${prefix}/share/ffmpeg'
1531
incdir_default='${prefix}/include'
1532
libdir_default='${prefix}/lib'
1533
mandir_default='${prefix}/share/man'
1534
shlibdir_default="$libdir_default"
1535

    
1536
# toolchain
1537
ar_default="ar"
1538
cc_default="gcc"
1539
cc_version=\"unknown\"
1540
host_cc_default="gcc"
1541
ln_s="ln -sf"
1542
nm_default="nm"
1543
objformat="elf"
1544
ranlib="ranlib"
1545
strip_default="strip"
1546
yasmexe="yasm"
1547
nogas=":"
1548

    
1549
nm_opts='-g'
1550

    
1551
# machine
1552
arch_default=$(uname -m)
1553
cpu="generic"
1554

    
1555
# OS
1556
target_os_default=$(tolower $(uname -s))
1557
host_os=$target_os_default
1558

    
1559
# configurable options
1560
enable avcodec
1561
enable avcore
1562
enable avdevice
1563
enable avfilter
1564
enable avformat
1565
enable avutil
1566
enable asm
1567
enable debug
1568
enable doc
1569
enable fastdiv
1570
enable ffmpeg
1571
enable ffplay
1572
enable ffprobe
1573
enable ffserver
1574
enable mpegaudio_hp
1575
enable network
1576
enable optimizations
1577
enable protocols
1578
enable static
1579
enable stripping
1580
enable swscale
1581
enable swscale_alpha
1582

    
1583
# build settings
1584
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1585
FFSERVERLDFLAGS=-Wl,-E
1586
LIBPREF="lib"
1587
LIBSUF=".a"
1588
FULLNAME='$(NAME)$(BUILDSUF)'
1589
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1590
SLIBPREF="lib"
1591
SLIBSUF=".so"
1592
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1593
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1594
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1595
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1596

    
1597
CC_O='-o $@'
1598

    
1599
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1600
host_libs='-lm'
1601

    
1602
target_path='$(CURDIR)'
1603

    
1604
# since the object filename is not given with the -MM flag, the compiler
1605
# is only able to print the basename, and we must add the path ourselves
1606
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1607
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1608

    
1609
# find source path
1610
source_path="$(dirname "$0")"
1611
enable source_path_used
1612
if test -f configure; then
1613
    source_path="$(pwd)"
1614
    disable source_path_used
1615
else
1616
    source_path="$(cd "$source_path"; pwd)"
1617
    echo "$source_path" | grep -q '[[:blank:]]' &&
1618
        die "Out of tree builds are impossible with whitespace in source path."
1619
    test -e "$source_path/config.h" &&
1620
        die "Out of tree builds are impossible with config.h in source dir."
1621
fi
1622

    
1623
for v in "$@"; do
1624
    r=${v#*=}
1625
    l=${v%"$r"}
1626
    r=$(sh_quote "$r")
1627
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1628
done
1629

    
1630
find_things(){
1631
    thing=$1
1632
    pattern=$2
1633
    file=$source_path/$3
1634
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1635
}
1636

    
1637
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1638
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1639
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1640
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1641
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1642
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1643
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1644
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1645
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1646
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1647
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1648

    
1649
find_tests(){
1650
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1651
}
1652

    
1653
ACODEC_TESTS=$(find_tests acodec)
1654
VCODEC_TESTS=$(find_tests vsynth1)
1655
LAVF_TESTS=$(find_tests lavf)
1656
LAVFI_TESTS=$(find_tests lavfi)
1657
SEEK_TESTS=$(find_tests seek seek_)
1658

    
1659
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1660

    
1661
for n in $COMPONENT_LIST; do
1662
    v=$(toupper ${n%s})_LIST
1663
    eval enable \$$v
1664
    eval ${n}_if_any="\$$v"
1665
done
1666

    
1667
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1668

    
1669
die_unknown(){
1670
    echo "Unknown option \"$1\"."
1671
    echo "See $0 --help for available options."
1672
    exit 1
1673
}
1674

    
1675
show_list() {
1676
    suffix=_$1
1677
    shift
1678
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1679
    exit 0
1680
}
1681

    
1682
for opt do
1683
    optval="${opt#*=}"
1684
    case "$opt" in
1685
    --extra-ldflags=*) add_ldflags $optval
1686
    ;;
1687
    --extra-libs=*) add_extralibs $optval
1688
    ;;
1689
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1690
    ;;
1691
    --enable-debug=*) debuglevel="$optval"
1692
    ;;
1693
    --disable-everything)
1694
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1695
    ;;
1696
    --enable-*=*|--disable-*=*)
1697
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1698
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1699
    eval list=\$$(toupper $thing)_LIST
1700
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1701
    $action $(filter "$name" $list)
1702
    ;;
1703
    --enable-?*|--disable-?*)
1704
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1705
    if is_in $option $COMPONENT_LIST; then
1706
        test $action = disable && action=unset
1707
        eval $action \$$(toupper ${option%s})_LIST
1708
    elif is_in $option $CMDLINE_SELECT; then
1709
        $action $option
1710
    else
1711
        die_unknown $opt
1712
    fi
1713
    ;;
1714
    --list-*)
1715
        NAME="${opt#--list-}"
1716
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1717
        NAME=${NAME%s}
1718
        eval show_list $NAME \$$(toupper $NAME)_LIST
1719
    ;;
1720
    --help|-h) show_help
1721
    ;;
1722
    *)
1723
    optname="${opt%%=*}"
1724
    optname="${optname#--}"
1725
    optname=$(echo "$optname" | sed 's/-/_/g')
1726
    if is_in $optname $CMDLINE_SET; then
1727
        eval $optname='$optval'
1728
    elif is_in $optname $CMDLINE_APPEND; then
1729
        append $optname "$optval"
1730
    else
1731
         die_unknown $opt
1732
    fi
1733
    ;;
1734
    esac
1735
done
1736

    
1737
disabled logging && logfile=/dev/null
1738

    
1739
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1740
set >> $logfile
1741

    
1742
test -n "$cross_prefix" && enable cross_compile
1743

    
1744
if enabled cross_compile; then
1745
    test -n "$arch" && test -n "$target_os" ||
1746
        die "Must specify target arch and OS when cross-compiling"
1747
fi
1748

    
1749
set_default arch target_os
1750

    
1751
ar_default="${cross_prefix}${ar_default}"
1752
cc_default="${cross_prefix}${cc_default}"
1753
nm_default="${cross_prefix}${nm_default}"
1754
ranlib="${cross_prefix}${ranlib}"
1755
strip_default="${cross_prefix}${strip_default}"
1756

    
1757
sysinclude_default="${sysroot}/usr/include"
1758

    
1759
set_default cc nm strip sysinclude
1760
enabled cross_compile || host_cc_default=$cc
1761
set_default host_cc
1762

    
1763
exesuf() {
1764
    case $1 in
1765
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1766
    esac
1767
}
1768

    
1769
EXESUF=$(exesuf $target_os)
1770
HOSTEXESUF=$(exesuf $host_os)
1771

    
1772
# set temporary file name
1773
: ${TMPDIR:=$TEMPDIR}
1774
: ${TMPDIR:=$TMP}
1775
: ${TMPDIR:=/tmp}
1776

    
1777
if ! check_cmd type mktemp; then
1778
    # simple replacement for missing mktemp
1779
    # NOT SAFE FOR GENERAL USE
1780
    mktemp(){
1781
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1782
    }
1783
fi
1784

    
1785
tmpfile(){
1786
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1787
        (set -C; exec > $tmp) 2>/dev/null ||
1788
        die "Unable to create temporary file in $TMPDIR."
1789
    append TMPFILES $tmp
1790
    eval $1=$tmp
1791
}
1792

    
1793
trap 'rm -f -- $TMPFILES' EXIT
1794
trap exit HUP INT TERM
1795

    
1796
tmpfile TMPC  .c
1797
tmpfile TMPE  $EXESUF
1798
tmpfile TMPH  .h
1799
tmpfile TMPO  .o
1800
tmpfile TMPS  .S
1801
tmpfile TMPV  .ver
1802
tmpfile TMPSH .sh
1803
tmpfile TMPASM .asm
1804

    
1805
unset -f mktemp
1806

    
1807
# make sure we can execute files in $TMPDIR
1808
cat > $TMPSH 2>> $logfile <<EOF
1809
#! /bin/sh
1810
EOF
1811
chmod +x $TMPSH >> $logfile 2>&1
1812
if ! $TMPSH >> $logfile 2>&1; then
1813
    cat <<EOF
1814
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1815
variable to another directory and make sure that it is not mounted noexec.
1816
EOF
1817
    die "Sanity test failed."
1818
fi
1819

    
1820
filter_cflags=echo
1821
filter_cppflags=echo
1822
filter_asflags=echo
1823

    
1824
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1825
    cc_type=llvm_gcc
1826
    cc_version=__VERSION__
1827
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1828
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1829
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1830
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1831
    speed_cflags='-O3'
1832
    size_cflags='-Os'
1833
elif $cc -v 2>&1 | grep -qi ^gcc; then
1834
    cc_type=gcc
1835
    cc_version=__VERSION__
1836
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1837
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1838
    if ! $cc -dumpversion | grep -q '^2\.'; then
1839
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1840
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1841
    fi
1842
    speed_cflags='-O3'
1843
    size_cflags='-Os'
1844
elif $cc --version 2>/dev/null | grep -q Intel; then
1845
    cc_type=icc
1846
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1847
    cc_ident=$($cc --version | head -n1)
1848
    icc_version=$($cc -dumpversion)
1849
    CC_DEPFLAGS='-MMD'
1850
    AS_DEPFLAGS='-MMD'
1851
    speed_cflags='-O3'
1852
    size_cflags='-Os'
1853
    noopt_cflags='-O1'
1854
elif $cc -v 2>&1 | grep -q xlc; then
1855
    cc_type=xlc
1856
    cc_version="AV_STRINGIFY(__IBMC__)"
1857
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1858
    speed_cflags='-O5'
1859
    size_cflags='-O5 -qcompact'
1860
elif $cc -V 2>/dev/null | grep -q Compaq; then
1861
    cc_type=ccc
1862
    cc_version="AV_STRINGIFY(__DECC_VER)"
1863
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1864
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1865
    debuglevel=3
1866
    add_ldflags -Wl,-z,now # calls to libots crash without this
1867
    speed_cflags='-fast'
1868
    size_cflags='-O1'
1869
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1870
    test -d "$sysroot" || die "No valid sysroot specified."
1871
    cc_type=armcc
1872
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1873
    cc_ident=$($cc --vsn | head -n1)
1874
    armcc_conf="$PWD/armcc.conf"
1875
    $cc --arm_linux_configure                 \
1876
        --arm_linux_config_file="$armcc_conf" \
1877
        --configure_sysroot="$sysroot"        \
1878
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1879
        die "Error creating armcc configuration file."
1880
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1881
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1882
    as_default="${cross_prefix}gcc"
1883
    CC_DEPFLAGS='-MMD'
1884
    AS_DEPFLAGS='-MMD'
1885
    speed_cflags='-O3'
1886
    size_cflags='-Os'
1887
elif $cc -version 2>/dev/null | grep -q TMS470; then
1888
    cc_type=tms470
1889
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1890
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1891
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1892
    CC_O='-fr=$(@D)'
1893
    as_default="${cross_prefix}gcc"
1894
    ld_default="${cross_prefix}gcc"
1895
    TMPO=$(basename $TMPC .c).o
1896
    append TMPFILES $TMPO
1897
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1898
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1899
    AS_DEPFLAGS='-MMD'
1900
    speed_cflags='-O3 -mf=5'
1901
    size_cflags='-O3 -mf=2'
1902
    filter_cflags=tms470_flags
1903
    tms470_flags(){
1904
        for flag; do
1905
            case $flag in
1906
                -march=*|-mcpu=*)
1907
                    case "${flag#*=}" in
1908
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1909
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1910
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1911
                        armv6*|arm11*)          echo -mv=6   ;;
1912
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1913
                                                echo -mv=5e  ;;
1914
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1915
                    esac
1916
                    ;;
1917
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1918
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1919
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1920
                -msoft-float)   echo --float_support=vfplib       ;;
1921
                -O[0-3]|-mf=*)  echo $flag                        ;;
1922
                -g)             echo -g -mn                       ;;
1923
                -pds=*)         echo $flag                        ;;
1924
            esac
1925
        done
1926
    }
1927
elif $cc -v 2>&1 | grep -q clang; then
1928
    cc_type=clang
1929
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1930
        cc_version=__clang_version__ || cc_version=__VERSION__
1931
    cc_ident=$($cc --version | head -n1)
1932
    CC_DEPFLAGS='-MMD'
1933
    AS_DEPFLAGS='-MMD'
1934
    speed_cflags='-O3'
1935
    size_cflags='-Os'
1936
elif $cc -V 2>&1 | grep -q Sun; then
1937
    cc_type=suncc
1938
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1939
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1940
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1941
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1942
    speed_cflags='-O5'
1943
    size_cflags='-O5 -xspace'
1944
    filter_cflags=suncc_flags
1945
    suncc_flags(){
1946
        for flag; do
1947
            case $flag in
1948
                -march=*|-mcpu=*)
1949
                    case "${flag#*=}" in
1950
                        native)                   echo -xtarget=native       ;;
1951
                        v9|niagara)               echo -xarch=sparc          ;;
1952
                        ultrasparc)               echo -xarch=sparcvis       ;;
1953
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1954
                        i586|pentium)             echo -xchip=pentium        ;;
1955
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1956
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1957
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1958
                        pentium4*)          echo -xtarget=pentium4           ;;
1959
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1960
                        *-sse3)             echo -xarch=sse3                 ;;
1961
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1962
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1963
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1964
                        k8|opteron|athlon64|athlon-fx)
1965
                                                  echo -xarch=sse2a          ;;
1966
                        athlon*)                  echo -xarch=pentium_proa   ;;
1967
                    esac
1968
                    ;;
1969
                -std=c99)             echo -xc99              ;;
1970
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1971
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1972
                -W*,*)                echo $flag              ;;
1973
                -f*-*|-W*)                                    ;;
1974
                *)                    echo $flag              ;;
1975
            esac
1976
        done
1977
    }
1978
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1979
    cc_type=pathscale
1980
    cc_version=__PATHSCALE__
1981
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1982
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1983
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1984
    speed_cflags='-O2'
1985
    size_cflags='-Os'
1986
elif $cc -v 2>&1 | grep -q Open64; then
1987
    cc_type=open64
1988
    cc_version=__OPEN64__
1989
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1990
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1991
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1992
    speed_cflags='-O2'
1993
    size_cflags='-Os'
1994
fi
1995

    
1996
test -n "$cc_type" && enable $cc_type ||
1997
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1998

    
1999
: ${as_default:=$cc}
2000
: ${dep_cc_default:=$cc}
2001
: ${ld_default:=$cc}
2002
set_default ar as dep_cc ld
2003

    
2004
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2005
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2006

    
2007
add_cflags $extra_cflags
2008
add_asflags $extra_cflags
2009

    
2010
if test -n "$sysroot"; then
2011
    case "$cc_type" in
2012
        gcc|llvm_gcc)
2013
            add_cppflags --sysroot="$sysroot"
2014
            add_ldflags --sysroot="$sysroot"
2015
        ;;
2016
        tms470)
2017
            add_cppflags -I"$sysinclude"
2018
            add_ldflags  --sysroot="$sysroot"
2019
        ;;
2020
        clang)
2021
            add_cppflags -isysroot "$sysroot"
2022
            add_ldflags -isysroot "$sysroot"
2023
        ;;
2024
    esac
2025
fi
2026

    
2027
if test "$cpu" = host; then
2028
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2029

    
2030
    case "$cc_type" in
2031
        gcc|llvm_gcc)
2032
            check_native(){
2033
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2034
                sed -n "/$1=/{
2035
                            s/.*$1=\\([^ ]*\\).*/\\1/
2036
                            p
2037
                            q
2038
                        }" $TMPE
2039
            }
2040
            cpu=$(check_native -march || check_native -mcpu)
2041
        ;;
2042
    esac
2043

    
2044
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2045
fi
2046

    
2047
# Deal with common $arch aliases
2048
case "$arch" in
2049
    arm*)
2050
        arch="arm"
2051
    ;;
2052
    mips|mipsel|IP*)
2053
        arch="mips"
2054
    ;;
2055
    mips64*)
2056
        arch="mips"
2057
        subarch="mips64"
2058
    ;;
2059
    parisc|hppa)
2060
        arch="parisc"
2061
    ;;
2062
    parisc64|hppa64)
2063
        arch="parisc"
2064
        subarch="parisc64"
2065
    ;;
2066
    "Power Macintosh"|ppc|powerpc)
2067
        arch="ppc"
2068
    ;;
2069
    ppc64|powerpc64)
2070
        arch="ppc"
2071
        subarch="ppc64"
2072
    ;;
2073
    s390|s390x)
2074
        arch="s390"
2075
    ;;
2076
    sh4|sh)
2077
        arch="sh4"
2078
    ;;
2079
    sun4u|sparc64)
2080
        arch="sparc"
2081
        subarch="sparc64"
2082
    ;;
2083
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2084
        arch="x86"
2085
    ;;
2086
esac
2087

    
2088
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2089
enable $arch
2090

    
2091
# Add processor-specific flags
2092
if test "$cpu" = generic; then
2093
    : do nothing
2094
elif enabled ppc; then
2095

    
2096
    case $(tolower $cpu) in
2097
        601|ppc601|powerpc601)
2098
            cpuflags="-mcpu=601"
2099
            disable altivec
2100
        ;;
2101
        603*|ppc603*|powerpc603*)
2102
            cpuflags="-mcpu=603"
2103
            disable altivec
2104
        ;;
2105
        604*|ppc604*|powerpc604*)
2106
            cpuflags="-mcpu=604"
2107
            disable altivec
2108
        ;;
2109
        g3|75*|ppc75*|powerpc75*)
2110
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2111
            disable altivec
2112
        ;;
2113
        g4|745*|ppc745*|powerpc745*)
2114
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2115
        ;;
2116
        74*|ppc74*|powerpc74*)
2117
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2118
        ;;
2119
        g5|970|ppc970|powerpc970|power4*)
2120
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2121
        ;;
2122
        cell)
2123
            cpuflags="-mcpu=cell"
2124
            enable ldbrx
2125
        ;;
2126
        e500v2)
2127
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2128
            disable altivec
2129
        ;;
2130
        e500)
2131
            cpuflags="-mcpu=8540 -mhard-float"
2132
            disable altivec
2133
        ;;
2134
    esac
2135

    
2136
elif enabled x86; then
2137

    
2138
    case $cpu in
2139
        i[345]86|pentium)
2140
            cpuflags="-march=$cpu"
2141
            disable mmx
2142
        ;;
2143
        # targets that do NOT support conditional mov (cmov)
2144
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2145
            cpuflags="-march=$cpu"
2146
            disable cmov
2147
        ;;
2148
        # targets that do support conditional mov (cmov)
2149
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2150
            cpuflags="-march=$cpu"
2151
            enable cmov
2152
            enable fast_cmov
2153
        ;;
2154
        # targets that do support conditional mov but on which it's slow
2155
        pentium4|pentium4m|prescott|nocona)
2156
            cpuflags="-march=$cpu"
2157
            enable cmov
2158
            disable fast_cmov
2159
        ;;
2160
    esac
2161

    
2162
elif enabled sparc; then
2163

    
2164
    case $cpu in
2165
        niagara)
2166
            cpuflags="-mcpu=$cpu"
2167
            disable vis
2168
        ;;
2169
        sparc64)
2170
            cpuflags="-mcpu=v9"
2171
        ;;
2172
    esac
2173

    
2174
elif enabled arm; then
2175

    
2176
    case $cpu in
2177
        armv*)
2178
            cpuflags="-march=$cpu"
2179
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2180
        ;;
2181
        *)
2182
            cpuflags="-mcpu=$cpu"
2183
            case $cpu in
2184
                cortex-a*)                               subarch=armv7a  ;;
2185
                cortex-r*)                               subarch=armv7r  ;;
2186
                cortex-m*)                               subarch=armv7m  ;;
2187
                arm11*)                                  subarch=armv6   ;;
2188
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2189
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2190
            esac
2191
        ;;
2192
    esac
2193

    
2194
elif enabled alpha; then
2195

    
2196
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2197

    
2198
elif enabled bfin; then
2199

    
2200
    cpuflags="-mcpu=$cpu"
2201

    
2202
elif enabled mips; then
2203

    
2204
    cpuflags="-march=$cpu"
2205

    
2206
elif enabled avr32; then
2207

    
2208
    case $cpu in
2209
        ap7[02]0[0-2])
2210
            subarch="avr32_ap"
2211
            cpuflags="-mpart=$cpu"
2212
        ;;
2213
        ap)
2214
            subarch="avr32_ap"
2215
            cpuflags="-march=$cpu"
2216
        ;;
2217
        uc3[ab]*)
2218
            subarch="avr32_uc"
2219
            cpuflags="-mcpu=$cpu"
2220
        ;;
2221
        uc)
2222
            subarch="avr32_uc"
2223
            cpuflags="-march=$cpu"
2224
        ;;
2225
    esac
2226

    
2227
fi
2228

    
2229
add_cflags $cpuflags
2230
add_asflags $cpuflags
2231

    
2232
# compiler sanity check
2233
check_exec <<EOF
2234
int main(void){ return 0; }
2235
EOF
2236
if test "$?" != 0; then
2237
    echo "$cc is unable to create an executable file."
2238
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2239
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2240
        echo "Only do this if you know what cross compiling means."
2241
    fi
2242
    die "C compiler test failed."
2243
fi
2244

    
2245
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2246
check_cflags -std=c99
2247
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2248
#include <stdlib.h>
2249
EOF
2250
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2251
#include <stdlib.h>
2252
EOF
2253

    
2254
check_host_cflags -std=c99
2255

    
2256
case "$arch" in
2257
    alpha|ia64|mips|parisc|sparc)
2258
        spic=$shared
2259
    ;;
2260
    x86)
2261
        subarch="x86_32"
2262
        check_cc <<EOF && subarch="x86_64"
2263
        int test[(int)sizeof(char*) - 7];
2264
EOF
2265
        if test "$subarch" = "x86_64"; then
2266
            spic=$shared
2267
        fi
2268
    ;;
2269
esac
2270

    
2271
enable $subarch
2272
enabled spic && enable pic
2273

    
2274
# OS specific
2275
case $target_os in
2276
    haiku)
2277
        prefix_default="/boot/common"
2278
        network_extralibs="-lnetwork"
2279
        ;;
2280
    sunos)
2281
        FFSERVERLDFLAGS=""
2282
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2283
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2284
        network_extralibs="-lsocket -lnsl"
2285
        add_cppflags -D__EXTENSIONS__
2286
        nm_opts='-P -g'
2287
        ;;
2288
    netbsd)
2289
        oss_indev_extralibs="-lossaudio"
2290
        oss_outdev_extralibs="-lossaudio"
2291
        add_cppflags -D_XOPEN_SOURCE=600
2292
        ;;
2293
    openbsd)
2294
        enable malloc_aligned
2295
        # On OpenBSD 4.5. the compiler does not use PIC unless
2296
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2297
        # however the generated executable will not do anything
2298
        # (simply quits with exit-code 1, no crash, no output).
2299
        # Thus explicitly enable PIC here.
2300
        enable pic
2301
        SHFLAGS='-shared'
2302
        oss_indev_extralibs="-lossaudio"
2303
        oss_outdev_extralibs="-lossaudio"
2304
        ;;
2305
    freebsd|dragonfly)
2306
        enable malloc_aligned
2307
        ;;
2308
    bsd/os)
2309
        add_extralibs -lpoll -lgnugetopt
2310
        strip="strip -d"
2311
        ;;
2312
    darwin)
2313
        enable malloc_aligned
2314
        gas="gas-preprocessor.pl $cc"
2315
        enabled ppc && add_asflags -force_cpusubtype_ALL
2316
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2317
        strip="${strip} -x"
2318
        add_ldflags -Wl,-dynamic,-search_paths_first
2319
        SLIBSUF=".dylib"
2320
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2321
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2322
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2323
        objformat="macho"
2324
        enabled x86_64 && objformat="macho64"
2325
        enabled_any pic shared ||
2326
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2327
        ;;
2328
    mingw32*)
2329
        if test $target_os = "mingw32ce"; then
2330
            disable network
2331
        else
2332
            target_os=mingw32
2333
        fi
2334
        LIBTARGET=i386
2335
        if enabled x86_64; then
2336
            enable malloc_aligned
2337
            LIBTARGET=x64
2338
        elif enabled arm; then
2339
            LIBTARGET=arm
2340
        fi
2341
        shlibdir_default="$bindir_default"
2342
        disable ffserver
2343
        SLIBPREF=""
2344
        SLIBSUF=".dll"
2345
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2346
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2347
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2348
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2349
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2350
            install -d "$(LIBDIR)"; \
2351
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2352
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2353
        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'
2354
        objformat="win32"
2355
        enable dos_paths
2356
        check_cflags -fno-common
2357
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2358
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2359
                die "ERROR: MinGW runtime version must be >= 3.15."
2360
        ;;
2361
    cygwin*)
2362
        target_os=cygwin
2363
        shlibdir_default="$bindir_default"
2364
        SLIBPREF="cyg"
2365
        SLIBSUF=".dll"
2366
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2367
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2368
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2369
        objformat="win32"
2370
        enable dos_paths
2371
        check_cflags -fno-common
2372
        ;;
2373
    *-dos|freedos|opendos)
2374
        disable ffplay ffserver
2375
        disable $INDEV_LIST $OUTDEV_LIST
2376
        network_extralibs="-lsocket"
2377
        objformat="coff"
2378
        enable dos_paths
2379
        ;;
2380
    linux)
2381
        enable dv1394
2382
        ;;
2383
    irix*)
2384
        target_os=irix
2385
        ranlib="echo ignoring ranlib"
2386
        ;;
2387
    os/2*)
2388
        strip="lxlite"
2389
        ln_s="cp -f"
2390
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2391
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2392
        FFSERVERLDFLAGS=""
2393
        LIBSUF="_s.a"
2394
        SLIBPREF=""
2395
        SLIBSUF=".dll"
2396
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2397
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2398
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2399
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2400
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2401
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2402
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2403
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2404
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2405
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2406
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2407
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2408
        enable dos_paths
2409
        ;;
2410
    gnu/kfreebsd)
2411
        ;;
2412
    gnu)
2413
        ;;
2414
    none)
2415
        ;;
2416
    *)
2417
        die "Unknown OS '$target_os'."
2418
        ;;
2419
esac
2420

    
2421
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2422

    
2423
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2424

    
2425
set_default $PATHS_LIST
2426

    
2427
# we need to build at least one lib type
2428
if ! enabled_any static shared; then
2429
    cat <<EOF
2430
At least one library type must be built.
2431
Specify --enable-static to build the static libraries or --enable-shared to
2432
build the shared libraries as well. To only build the shared libraries specify
2433
--disable-static in addition to --enable-shared.
2434
EOF
2435
    exit 1;
2436
fi
2437

    
2438
disabled static && LIBNAME=""
2439

    
2440
die_license_disabled() {
2441
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2442
}
2443

    
2444
die_license_disabled gpl libx264
2445
die_license_disabled gpl libxavs
2446
die_license_disabled gpl libxvid
2447
die_license_disabled gpl postproc
2448
die_license_disabled gpl x11grab
2449

    
2450
die_license_disabled nonfree libfaac
2451

    
2452
die_license_disabled version3 libopencore_amrnb
2453
die_license_disabled version3 libopencore_amrwb
2454

    
2455
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2456

    
2457
check_deps $ARCH_EXT_LIST
2458

    
2459
disabled optimizations || check_cflags -fomit-frame-pointer
2460

    
2461
enable_pic() {
2462
    enable pic
2463
    add_cppflags -DPIC
2464
    add_cflags   -fPIC
2465
    add_asflags  -fPIC
2466
}
2467

    
2468
enabled pic && enable_pic
2469

    
2470
check_cc <<EOF || die "Symbol mangling check failed."
2471
int ff_extern;
2472
EOF
2473
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2474
extern_prefix=${sym%%ff_extern*}
2475

    
2476
check_cc <<EOF && enable inline_asm
2477
void foo(void) { __asm__ volatile ("" ::); }
2478
EOF
2479

    
2480
_restrict=
2481
for restrict_keyword in restrict __restrict__ __restrict; do
2482
    check_cc <<EOF && _restrict=$restrict_keyword && break
2483
void foo(char * $restrict_keyword p);
2484
EOF
2485
done
2486

    
2487
check_cc <<EOF && enable attribute_packed
2488
struct { int x; } __attribute__((packed)) x;
2489
EOF
2490

    
2491
check_cc <<EOF && enable attribute_may_alias
2492
union { int x; } __attribute__((may_alias)) x;
2493
EOF
2494

    
2495
check_cc <<EOF || die "endian test failed"
2496
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2497
EOF
2498
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2499

    
2500
if enabled alpha; then
2501

    
2502
    check_cflags -mieee
2503

    
2504
elif enabled arm; then
2505

    
2506
    check_cflags -marm
2507
    nogas=die
2508

    
2509
    check_ld <<EOF && enable vfp_args
2510
__asm__ (".eabi_attribute 28, 1");
2511
int main(void) { return 0; }
2512
EOF
2513

    
2514
    # We have to check if pld is a nop and disable it.
2515
    check_asm pld '"pld [r0]"'
2516

    
2517
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2518
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2519
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2520
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2521
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2522
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2523

    
2524
    enabled_all armv6t2 shared !pic && enable_pic
2525

    
2526
elif enabled mips; then
2527

    
2528
    check_asm loongson '"dmult.g $1, $2, $3"'
2529
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2530

    
2531
elif enabled ppc; then
2532

    
2533
    enable local_aligned_8 local_aligned_16
2534

    
2535
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2536
    check_asm ibm_asm   '"add 0, 0, 0"'
2537
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2538
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2539

    
2540
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2541
    if enabled altivec; then
2542
        nogas=warn
2543
        check_cflags -maltivec -mabi=altivec &&
2544
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2545
        check_cflags -faltivec
2546

    
2547
        # check if our compiler supports Motorola AltiVec C API
2548
        check_cc <<EOF || disable altivec
2549
$inc_altivec_h
2550
int main(void) {
2551
    vector signed int v1, v2, v3;
2552
    v1 = vec_add(v2,v3);
2553
    return 0;
2554
}
2555
EOF
2556

    
2557
        # check if our compiler supports braces for vector declarations
2558
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2559
$inc_altivec_h
2560
int main (void) { (vector int) {1}; return 0; }
2561
EOF
2562
    fi
2563

    
2564
elif enabled sparc; then
2565

    
2566
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2567
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2568

    
2569
elif enabled x86; then
2570

    
2571
    enable local_aligned_8 local_aligned_16
2572

    
2573
    # check whether EBP is available on x86
2574
    # As 'i' is stored on the stack, this program will crash
2575
    # if the base pointer is used to access it because the
2576
    # base pointer is cleared in the inline assembly code.
2577
    check_exec_crash <<EOF && enable ebp_available
2578
    volatile int i=0;
2579
    __asm__ volatile (
2580
        "xorl %%ebp, %%ebp"
2581
    ::: "%ebp");
2582
    return i;
2583
EOF
2584

    
2585
    # check whether EBX is available on x86
2586
    check_asm ebx_available '""::"b"(0)' &&
2587
        check_asm ebx_available '"":::"%ebx"'
2588

    
2589
    # check whether xmm clobbers are supported
2590
    check_asm xmm_clobbers '"":::"%xmm0"'
2591

    
2592
    # check whether more than 10 operands are supported
2593
    check_cc <<EOF && enable ten_operands
2594
int main(void) {
2595
    int x=0;
2596
    __asm__ volatile(
2597
        ""
2598
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2599
    );
2600
    return 0;
2601
}
2602
EOF
2603

    
2604
    # check whether binutils is new enough to compile SSSE3/MMX2
2605
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2606
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2607

    
2608
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2609

    
2610
    if ! disabled_any asm mmx yasm; then
2611
        if check_cmd $yasmexe --version; then
2612
            enabled x86_64 && yasm_extra="-m amd64"
2613
            yasm_debug="-g dwarf2"
2614
        elif check_cmd nasm -v; then
2615
            yasmexe=nasm
2616
            yasm_debug="-g -F dwarf"
2617
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2618
        fi
2619

    
2620
        YASMFLAGS="-f $objformat $yasm_extra"
2621
        enabled pic               && append YASMFLAGS "-DPIC"
2622
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2623
        case "$objformat" in
2624
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2625
        esac
2626

    
2627
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2628
            die "yasm not found, use --disable-yasm for a crippled build"
2629
    fi
2630

    
2631
    case "$cpu" in
2632
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2633
            disable fast_clz
2634
        ;;
2635
    esac
2636

    
2637
fi
2638

    
2639
if enabled asm; then
2640
    as=${gas:=$as}
2641
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2642
        $nogas "GNU assembler not found, install gas-preprocessor"
2643
fi
2644

    
2645
if check_func dlopen; then
2646
    ldl=
2647
elif check_func dlopen -ldl; then
2648
    ldl=-ldl
2649
fi
2650

    
2651
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2652
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2653

    
2654
check_func  fcntl
2655
check_func  fork
2656
check_func  getaddrinfo $network_extralibs
2657
check_func  gethrtime
2658
check_func  getrusage
2659
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2660
check_func  inet_aton $network_extralibs
2661
check_func  isatty
2662
check_func  ${malloc_prefix}memalign            && enable memalign
2663
check_func  mkstemp
2664
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2665
check_func  setrlimit
2666
check_func  strerror_r
2667
check_func  strtok_r
2668
check_func_headers io.h setmode
2669
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2670
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2671
check_func_headers windows.h GetProcessTimes
2672
check_func_headers windows.h VirtualAlloc
2673

    
2674
check_header conio.h
2675
check_header dlfcn.h
2676
check_header dxva2api.h
2677
check_header malloc.h
2678
check_header poll.h
2679
check_header sys/mman.h
2680
check_header sys/resource.h
2681
check_header sys/select.h
2682
check_header termios.h
2683
check_header vdpau/vdpau.h
2684
check_header vdpau/vdpau_x11.h
2685
check_header X11/extensions/XvMClib.h
2686

    
2687
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2688

    
2689
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2690
     enabled_any $need_memalign ; then
2691
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2692
fi
2693

    
2694
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2695
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2696

    
2697
# check for some common methods of building with pthread support
2698
# do this before the optional library checks as some of them require pthreads
2699
if ! disabled pthreads && ! enabled w32threads; then
2700
    enable pthreads
2701
    if check_func pthread_create; then
2702
        :
2703
    elif check_func pthread_create -pthread; then
2704
        add_cflags -pthread
2705
        add_extralibs -pthread
2706
    elif check_func pthread_create -pthreads; then
2707
        add_cflags -pthreads
2708
        add_extralibs -pthreads
2709
    elif check_func pthread_create -lpthreadGC2; then
2710
        add_extralibs -lpthreadGC2
2711
    elif ! check_lib pthread.h pthread_create -lpthread; then
2712
        disable pthreads
2713
    fi
2714
fi
2715

    
2716
for thread in $THREADS_LIST; do
2717
    if enabled $thread; then
2718
        test -n "$thread_type" &&
2719
            die "ERROR: Only one thread type must be selected." ||
2720
            thread_type="$thread"
2721
    fi
2722
done
2723

    
2724
check_lib math.h sin -lm
2725
disabled vaapi || check_lib va/va.h vaInitialize -lva
2726

    
2727
check_mathfunc exp2
2728
check_mathfunc exp2f
2729
check_mathfunc llrint
2730
check_mathfunc llrintf
2731
check_mathfunc log2
2732
check_mathfunc log2f
2733
check_mathfunc lrint
2734
check_mathfunc lrintf
2735
check_mathfunc round
2736
check_mathfunc roundf
2737
check_mathfunc truncf
2738

    
2739
# these are off by default, so fail if requested and not available
2740
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2741
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2742
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2743
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2744
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2745
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2746
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2747
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h hip_decode_init -lmp3lame
2748
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2749
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2750
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2751
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2752
                        die "ERROR: libopencv not found"; }
2753
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2754
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2755
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2756
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2757
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2758
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2759
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2760
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2761
enabled libvpx     && {
2762
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2763
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2764
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2765
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2766
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2767
                      { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2768
                        die "ERROR: libx264 version must be >= 0.98."; }
2769
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2770
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2771
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2772

    
2773
# libdc1394 check
2774
if enabled libdc1394; then
2775
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2776
        enable libdc1394_2; } ||
2777
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2778
        enable libdc1394_1; } ||
2779
    die "ERROR: No version of libdc1394 found "
2780
fi
2781

    
2782
SDL_CONFIG="${cross_prefix}sdl-config"
2783
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2784
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2785
    sdl_libs=$("${SDL_CONFIG}" --libs)
2786
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2787
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2788
    enable sdl &&
2789
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2790
fi
2791

    
2792
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2793

    
2794
if enabled network; then
2795
    check_type "sys/types.h sys/socket.h" socklen_t
2796
    check_type netdb.h "struct addrinfo"
2797
    check_type netinet/in.h "struct ipv6_mreq"
2798
    check_type netinet/in.h "struct sockaddr_in6"
2799
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2800
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2801
    # Prefer arpa/inet.h over winsock2
2802
    if check_header arpa/inet.h ; then
2803
        check_func closesocket
2804
    elif check_header winsock2.h ; then
2805
        check_func_headers winsock2.h closesocket -lws2 && \
2806
            network_extralibs="-lws2" || \
2807
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2808
            network_extralibs="-lws2_32"; }
2809
        check_type ws2tcpip.h socklen_t
2810
        check_type ws2tcpip.h "struct addrinfo"
2811
        check_type ws2tcpip.h "struct ipv6_mreq"
2812
        check_type ws2tcpip.h "struct sockaddr_in6"
2813
        check_type ws2tcpip.h "struct sockaddr_storage"
2814
        check_struct winsock2.h "struct sockaddr" sa_len
2815
    else
2816
        disable network
2817
    fi
2818
fi
2819

    
2820
check_header linux/videodev.h
2821
check_header linux/videodev2.h
2822
check_header sys/videoio.h
2823

    
2824
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2825
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2826
# w32api 3.12 had it defined wrong
2827
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2828

    
2829
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2830
{ check_header dev/bktr/ioctl_meteor.h &&
2831
  check_header dev/bktr/ioctl_bt848.h; } ||
2832
{ check_header machine/ioctl_meteor.h &&
2833
  check_header machine/ioctl_bt848.h; } ||
2834
{ check_header dev/video/meteor/ioctl_meteor.h &&
2835
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2836
check_header dev/ic/bt8xx.h
2837

    
2838
check_header sys/soundcard.h
2839
check_header soundcard.h
2840

    
2841
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2842

    
2843
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2844

    
2845
enabled x11grab                         &&
2846
check_header X11/Xlib.h                 &&
2847
check_header X11/extensions/XShm.h      &&
2848
check_header X11/extensions/Xfixes.h    &&
2849
check_func XOpenDisplay -lX11           &&
2850
check_func XShmCreateImage -lX11 -lXext &&
2851
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2852

    
2853
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2854
check_cpp_condition \
2855
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2856
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2857
      disable vdpau; }
2858
fi
2859

    
2860
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2861

    
2862
# add some useful compiler flags if supported
2863
check_cflags -Wdeclaration-after-statement
2864
check_cflags -Wall
2865
check_cflags -Wno-parentheses
2866
check_cflags -Wno-switch
2867
check_cflags -Wdisabled-optimization
2868
check_cflags -Wpointer-arith
2869
check_cflags -Wredundant-decls
2870
check_cflags -Wno-pointer-sign
2871
check_cflags -Wcast-qual
2872
check_cflags -Wwrite-strings
2873
check_cflags -Wtype-limits
2874
check_cflags -Wundef
2875
check_cflags -Wmissing-prototypes
2876
enabled extra_warnings && check_cflags -Winline
2877

    
2878
# add some linker flags
2879
check_ldflags -Wl,--warn-common
2880
check_ldflags -Wl,--as-needed
2881
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'
2882
check_ldflags -Wl,-Bsymbolic
2883

    
2884
echo "X{};" > $TMPV
2885
if test_ldflags -Wl,--version-script,$TMPV; then
2886
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2887
    check_cc <<EOF && enable symver_asm_label
2888
void ff_foo(void) __asm__ ("av_foo@VERSION");
2889
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2890
EOF
2891
    check_cc <<EOF && enable symver_gnu_asm
2892
__asm__(".symver ff_foo,av_foo@VERSION");
2893
void ff_foo(void) {}
2894
EOF
2895
fi
2896

    
2897
if enabled small; then
2898
    add_cflags $size_cflags
2899
    optimizations="small"
2900
elif enabled optimizations; then
2901
    add_cflags $speed_cflags
2902
else
2903
    add_cflags $noopt_cflags
2904
fi
2905
check_cflags -fno-math-errno
2906
check_cflags -fno-signed-zeros
2907

    
2908
if enabled icc; then
2909
    # Just warnings, no remarks
2910
    check_cflags -w1
2911
    # -wd: Disable following warnings
2912
    # 144, 167, 556: -Wno-pointer-sign
2913
    # 10006: ignoring unknown option -fno-signed-zeros
2914
    # 10156: ignoring option '-W'; no argument required
2915
    check_cflags -wd144,167,556,10006,10156
2916
    # 11030: Warning unknown option --as-needed
2917
    # 10156: ignoring option '-export'; no argument required
2918
    check_ldflags -wd10156,11030
2919
    # Allow to compile with optimizations
2920
    check_ldflags -march=$cpu
2921
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2922
    enable ebp_available
2923
    if enabled x86_32; then
2924
        test ${icc_version%%.*} -ge 11 && \
2925
            check_cflags -falign-stack=maintain-16-byte || \
2926
            disable aligned_stack
2927
    fi
2928
elif enabled ccc; then
2929
    # disable some annoying warnings
2930
    add_cflags -msg_disable cvtu32to64
2931
    add_cflags -msg_disable embedcomment
2932
    add_cflags -msg_disable needconstext
2933
    add_cflags -msg_disable nomainieee
2934
    add_cflags -msg_disable ptrmismatch1
2935
    add_cflags -msg_disable unreachcode
2936
elif enabled gcc; then
2937
    check_cflags -fno-tree-vectorize
2938
    check_cflags -Werror=implicit-function-declaration
2939
    check_cflags -Werror=missing-prototypes
2940
elif enabled llvm_gcc; then
2941
    check_cflags -mllvm -stack-alignment=16
2942
elif enabled clang; then
2943
    check_cflags -mllvm -stack-alignment=16
2944
    check_cflags -Qunused-arguments
2945
elif enabled armcc; then
2946
    # 2523: use of inline assembler is deprecated
2947
    add_cflags -W${armcc_opt},--diag_suppress=2523
2948
    add_cflags -W${armcc_opt},--diag_suppress=1207
2949
elif enabled tms470; then
2950
    add_cflags -pds=824 -pds=837
2951
fi
2952

    
2953
enabled_any $THREADS_LIST      && enable threads
2954

    
2955
check_deps $CONFIG_LIST       \
2956
           $CONFIG_EXTRA      \
2957
           $HAVE_LIST         \
2958
           $DECODER_LIST      \
2959
           $ENCODER_LIST      \
2960
           $HWACCEL_LIST      \
2961
           $PARSER_LIST       \
2962
           $BSF_LIST          \
2963
           $DEMUXER_LIST      \
2964
           $MUXER_LIST        \
2965
           $FILTER_LIST       \
2966
           $INDEV_LIST        \
2967
           $OUTDEV_LIST       \
2968
           $PROTOCOL_LIST     \
2969
           $ACODEC_TESTS      \
2970
           $VCODEC_TESTS      \
2971
           $LAVF_TESTS        \
2972
           $LAVFI_TESTS       \
2973
           $SEEK_TESTS        \
2974

    
2975
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2976

    
2977
echo "install prefix            $prefix"
2978
echo "source path               $source_path"
2979
echo "C compiler                $cc"
2980
echo "ARCH                      $arch ($cpu)"
2981
if test "$build_suffix" != ""; then
2982
    echo "build suffix              $build_suffix"
2983
fi
2984
if test "$extra_version" != ""; then
2985
    echo "version string suffix     $extra_version"
2986
fi
2987
echo "big-endian                ${bigendian-no}"
2988
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2989
if enabled x86; then
2990
    echo "yasm                      ${yasm-no}"
2991
    echo "MMX enabled               ${mmx-no}"
2992
    echo "MMX2 enabled              ${mmx2-no}"
2993
    echo "3DNow! enabled            ${amd3dnow-no}"
2994
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2995
    echo "SSE enabled               ${sse-no}"
2996
    echo "SSSE3 enabled             ${ssse3-no}"
2997
    echo "CMOV enabled              ${cmov-no}"
2998
    echo "CMOV is fast              ${fast_cmov-no}"
2999
    echo "EBX available             ${ebx_available-no}"
3000
    echo "EBP available             ${ebp_available-no}"
3001
    echo "10 operands supported     ${ten_operands-no}"
3002
fi
3003
if enabled arm; then
3004
    echo "ARMv5TE enabled           ${armv5te-no}"
3005
    echo "ARMv6 enabled             ${armv6-no}"
3006
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3007
    echo "ARM VFP enabled           ${armvfp-no}"
3008
    echo "IWMMXT enabled            ${iwmmxt-no}"
3009
    echo "NEON enabled              ${neon-no}"
3010
fi
3011
if enabled mips; then
3012
    echo "MMI enabled               ${mmi-no}"
3013
fi
3014
if enabled ppc; then
3015
    echo "AltiVec enabled           ${altivec-no}"
3016
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3017
    echo "dcbzl available           ${dcbzl-no}"
3018
fi
3019
if enabled sparc; then
3020
    echo "VIS enabled               ${vis-no}"
3021
fi
3022
echo "debug symbols             ${debug-no}"
3023
echo "strip symbols             ${stripping-no}"
3024
echo "optimizations             ${optimizations-no}"
3025
echo "static                    ${static-no}"
3026
echo "shared                    ${shared-no}"
3027
echo "postprocessing support    ${postproc-no}"
3028
echo "new filter support        ${avfilter-no}"
3029
echo "network support           ${network-no}"
3030
echo "threading support         ${thread_type-no}"
3031
echo "SDL support               ${sdl-no}"
3032
echo "Sun medialib support      ${mlib-no}"
3033
echo "AVISynth enabled          ${avisynth-no}"
3034
echo "frei0r enabled            ${frei0r-no}"
3035
echo "libdc1394 support         ${libdc1394-no}"
3036
echo "libdirac enabled          ${libdirac-no}"
3037
echo "libfaac enabled           ${libfaac-no}"
3038
echo "libgsm enabled            ${libgsm-no}"
3039
echo "libmp3lame enabled        ${libmp3lame-no}"
3040
echo "libnut enabled            ${libnut-no}"
3041
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3042
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3043
echo "libopencv support         ${libopencv-no}"
3044
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3045
echo "librtmp enabled           ${librtmp-no}"
3046
echo "libschroedinger enabled   ${libschroedinger-no}"
3047
echo "libspeex enabled          ${libspeex-no}"
3048
echo "libtheora enabled         ${libtheora-no}"
3049
echo "libvorbis enabled         ${libvorbis-no}"
3050
echo "libvpx enabled            ${libvpx-no}"
3051
echo "libx264 enabled           ${libx264-no}"
3052
echo "libxavs enabled           ${libxavs-no}"
3053
echo "libxvid enabled           ${libxvid-no}"
3054
echo "zlib enabled              ${zlib-no}"
3055
echo "bzlib enabled             ${bzlib-no}"
3056
echo
3057

    
3058
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3059
    echo "Enabled ${type}s:"
3060
    eval list=\$$(toupper $type)_LIST
3061
    print_enabled '_*' $list | sort | pr -3 -t
3062
    echo
3063
done
3064

    
3065
license="LGPL version 2.1 or later"
3066
if enabled nonfree; then
3067
    license="nonfree and unredistributable"
3068
elif enabled gplv3; then
3069
    license="GPL version 3 or later"
3070
elif enabled lgplv3; then
3071
    license="LGPL version 3 or later"
3072
elif enabled gpl; then
3073
    license="GPL version 2 or later"
3074
fi
3075

    
3076
echo "License: $license"
3077

    
3078
echo "Creating config.mak and config.h..."
3079

    
3080
# build tree in object directory if source path is different from current one
3081
if enabled source_path_used; then
3082
    DIRS="
3083
        doc
3084
        libavcodec
3085
        libavcodec/$arch
3086
        libavcore
3087
        libavdevice
3088
        libavfilter
3089
        libavfilter/$arch
3090
        libavformat
3091
        libavutil
3092
        libavutil/$arch
3093
        libpostproc
3094
        libswscale
3095
        libswscale/$arch
3096
        tests
3097
        tools
3098
    "
3099
    FILES="
3100
        Makefile
3101
        common.mak
3102
        subdir.mak
3103
        doc/texi2pod.pl
3104
        libavcodec/Makefile
3105
        libavcodec/${arch}/Makefile
3106
        libavcore/Makefile
3107
        libavdevice/Makefile
3108
        libavfilter/Makefile
3109
        libavfilter/${arch}/Makefile
3110
        libavformat/Makefile
3111
        libavutil/Makefile
3112
        libpostproc/Makefile
3113
        libswscale/Makefile
3114
    "
3115
    map 'mkdir -p $v' $DIRS;
3116
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3117
fi
3118

    
3119
enabled stripping || strip="echo skipping strip"
3120

    
3121
config_files="$TMPH config.mak"
3122

    
3123
cat > config.mak <<EOF
3124
# Automatically generated by configure - do not modify!
3125
ifndef FFMPEG_CONFIG_MAK
3126
FFMPEG_CONFIG_MAK=1
3127
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3128
prefix=$prefix
3129
LIBDIR=\$(DESTDIR)$libdir
3130
SHLIBDIR=\$(DESTDIR)$shlibdir
3131
INCDIR=\$(DESTDIR)$incdir
3132
BINDIR=\$(DESTDIR)$bindir
3133
DATADIR=\$(DESTDIR)$datadir
3134
MANDIR=\$(DESTDIR)$mandir
3135
SRC_PATH="$source_path"
3136
SRC_PATH_BARE=$source_path
3137
BUILD_ROOT="$PWD"
3138
CC_IDENT=$cc_ident
3139
ARCH=$arch
3140
CC=$cc
3141
AS=$as
3142
LD=$ld
3143
DEPCC=$dep_cc
3144
YASM=$yasmexe
3145
YASMDEP=$yasmexe
3146
AR=$ar
3147
RANLIB=$ranlib
3148
CP=cp -p
3149
LN_S=$ln_s
3150
STRIP=$strip
3151
CPPFLAGS=$CPPFLAGS
3152
CFLAGS=$CFLAGS
3153
ASFLAGS=$ASFLAGS
3154
CC_O=$CC_O
3155
LDFLAGS=$LDFLAGS
3156
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3157
SHFLAGS=$SHFLAGS
3158
YASMFLAGS=$YASMFLAGS
3159
BUILDSUF=$build_suffix
3160
FULLNAME=$FULLNAME
3161
LIBPREF=$LIBPREF
3162
LIBSUF=$LIBSUF
3163
LIBNAME=$LIBNAME
3164
SLIBPREF=$SLIBPREF
3165
SLIBSUF=$SLIBSUF
3166
EXESUF=$EXESUF
3167
EXTRA_VERSION=$extra_version
3168
DEPFLAGS=$DEPFLAGS
3169
CCDEP=$CCDEP
3170
ASDEP=$ASDEP
3171
CC_DEPFLAGS=$CC_DEPFLAGS
3172
AS_DEPFLAGS=$AS_DEPFLAGS
3173
HOSTCC=$host_cc
3174
HOSTCFLAGS=$host_cflags
3175
HOSTEXESUF=$HOSTEXESUF
3176
HOSTLDFLAGS=$host_ldflags
3177
HOSTLIBS=$host_libs
3178
TARGET_EXEC=$target_exec
3179
TARGET_PATH=$target_path
3180
SDL_LIBS=$sdl_libs
3181
SDL_CFLAGS=$sdl_cflags
3182
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3183
EXTRALIBS=$extralibs
3184
INSTALL=install
3185
LIBTARGET=${LIBTARGET}
3186
SLIBNAME=${SLIBNAME}
3187
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3188
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3189
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3190
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3191
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3192
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3193
SAMPLES=$samples
3194
EOF
3195

    
3196
get_version(){
3197
    name=$1
3198
    file=$source_path/$2
3199
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3200
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3201
    lcname=$(tolower $name)
3202
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3203
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3204
}
3205

    
3206
get_version LIBSWSCALE  libswscale/swscale.h
3207
get_version LIBPOSTPROC libpostproc/postprocess.h
3208
get_version LIBAVCODEC  libavcodec/avcodec.h
3209
get_version LIBAVCORE   libavcore/avcore.h
3210
get_version LIBAVDEVICE libavdevice/avdevice.h
3211
get_version LIBAVFORMAT libavformat/avformat.h
3212
get_version LIBAVUTIL   libavutil/avutil.h
3213
get_version LIBAVFILTER libavfilter/avfilter.h
3214

    
3215
cat > $TMPH <<EOF
3216
/* Automatically generated by configure - do not modify! */
3217
#ifndef FFMPEG_CONFIG_H
3218
#define FFMPEG_CONFIG_H
3219
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3220
#define FFMPEG_LICENSE "$(c_escape $license)"
3221
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3222
#define CC_TYPE "$cc_type"
3223
#define CC_VERSION $cc_version
3224
#define restrict $_restrict
3225
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3226
#define EXTERN_PREFIX "${extern_prefix}"
3227
#define EXTERN_ASM ${extern_prefix}
3228
#define SLIBSUF "$SLIBSUF"
3229
EOF
3230

    
3231
test -n "$malloc_prefix" &&
3232
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3233

    
3234
if enabled small || disabled optimizations; then
3235
    echo "#undef  av_always_inline"  >> $TMPH
3236
    echo "#define av_always_inline"  >> $TMPH
3237
fi
3238

    
3239
if enabled yasm; then
3240
    append config_files $TMPASM
3241
    printf '' >$TMPASM
3242
fi
3243

    
3244
print_config ARCH_   "$config_files" $ARCH_LIST
3245
print_config HAVE_   "$config_files" $HAVE_LIST
3246
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3247
                                     $CONFIG_EXTRA      \
3248
                                     $DECODER_LIST      \
3249
                                     $ENCODER_LIST      \
3250
                                     $HWACCEL_LIST      \
3251
                                     $PARSER_LIST       \
3252
                                     $BSF_LIST          \
3253
                                     $DEMUXER_LIST      \
3254
                                     $MUXER_LIST        \
3255
                                     $FILTER_LIST       \
3256
                                     $PROTOCOL_LIST     \
3257
                                     $INDEV_LIST        \
3258
                                     $OUTDEV_LIST       \
3259

    
3260
cat >>config.mak <<EOF
3261
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3262
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3263
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3264
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3265
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3266
EOF
3267

    
3268
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3269
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3270

    
3271
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3272
cp_if_changed $TMPH config.h
3273
touch .config
3274

    
3275
enabled yasm && cp_if_changed $TMPASM config.asm
3276

    
3277
cat > $TMPH <<EOF
3278
/* Generated by ffconf */
3279
#ifndef AVUTIL_AVCONFIG_H
3280
#define AVUTIL_AVCONFIG_H
3281
EOF
3282

    
3283
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3284

    
3285
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3286

    
3287
cp_if_changed $TMPH libavutil/avconfig.h
3288

    
3289
test -n "$WARNINGS" && printf "\n$WARNINGS"
3290

    
3291
# build pkg-config files
3292

    
3293
pkgconfig_generate(){
3294
name=$1
3295
shortname=${name#lib}${build_suffix}
3296
comment=$2
3297
version=$3
3298
libs=$4
3299
requires=$5
3300
enabled ${name#lib} || return 0
3301
cat <<EOF > $name/$name.pc
3302
prefix=$prefix
3303
exec_prefix=\${prefix}
3304
libdir=$libdir
3305
includedir=$incdir
3306

    
3307
Name: $name
3308
Description: $comment
3309
Version: $version
3310
Requires: $(enabled shared || echo $requires)
3311
Requires.private: $(enabled shared && echo $requires)
3312
Conflicts:
3313
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3314
Libs.private: $(enabled shared && echo $libs)
3315
Cflags: -I\${includedir}
3316
EOF
3317
cat <<EOF > $name/$name-uninstalled.pc
3318
prefix=
3319
exec_prefix=
3320
libdir=\${pcfiledir}
3321
includedir=${source_path}
3322

    
3323
Name: $name
3324
Description: $comment
3325
Version: $version
3326
Requires: $requires
3327
Conflicts:
3328
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3329
Cflags: -I\${includedir}
3330
EOF
3331
}
3332

    
3333
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3334
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3335
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3336
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3337
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3338
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3339
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3340
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"