Statistics
| Branch: | Revision:

ffmpeg / configure @ 0328b9ea

History | View | Annotate | Download (98.5 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
  --disable-symver         disable symbol versioning
239

    
240
Developer options (useful when working on FFmpeg itself):
241
  --disable-debug          disable debugging symbols
242
  --enable-debug=LEVEL     set the debug level [$debuglevel]
243
  --disable-optimizations  disable compiler optimizations
244
  --enable-extra-warnings  enable more compiler warnings
245
  --disable-stripping      disable stripping of executables and shared libraries
246
  --samples=PATH           location of test samples for FATE
247

    
248
NOTE: Object files are built at the place where configure is launched.
249
EOF
250
  exit 0
251
}
252

    
253
quotes='""'
254

    
255
log(){
256
    echo "$@" >> $logfile
257
}
258

    
259
log_file(){
260
    log BEGIN $1
261
    pr -n -t $1 >> $logfile
262
    log END $1
263
}
264

    
265
echolog(){
266
    log "$@"
267
    echo "$@"
268
}
269

    
270
warn(){
271
    log "WARNING: $*"
272
    WARNINGS="${WARNINGS}WARNING: $*\n"
273
}
274

    
275
die(){
276
    echolog "$@"
277
    cat <<EOF
278

    
279
If you think configure made a mistake, make sure you are using the latest
280
version from SVN.  If the latest version fails, report the problem to the
281
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
282
EOF
283
    if disabled logging; then
284
        cat <<EOF
285
Rerun configure with logging enabled (do not use --disable-logging), and
286
include the log this produces with your report.
287
EOF
288
    else
289
cat <<EOF
290
Include the log file "$logfile" produced by configure as this will help
291
solving the problem.
292
EOF
293
    fi
294
    exit 1
295
}
296

    
297
# Avoid locale weirdness, besides we really just want to translate ASCII.
298
toupper(){
299
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
300
}
301

    
302
tolower(){
303
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
304
}
305

    
306
c_escape(){
307
    echo "$*" | sed 's/["\\]/\\\0/g'
308
}
309

    
310
sh_quote(){
311
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
312
    test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
313
    echo "$v"
314
}
315

    
316
filter(){
317
    pat=$1
318
    shift
319
    for v; do
320
        eval "case $v in $pat) echo $v ;; esac"
321
    done
322
}
323

    
324
map(){
325
    m=$1
326
    shift
327
    for v; do eval $m; done
328
}
329

    
330
set_all(){
331
    value=$1
332
    shift
333
    for var in $*; do
334
        eval $var=$value
335
    done
336
}
337

    
338
set_weak(){
339
    value=$1
340
    shift
341
    for var; do
342
        eval : \${$var:=$value}
343
    done
344
}
345

    
346
pushvar(){
347
    for var in $*; do
348
        eval level=\${${var}_level:=0}
349
        eval ${var}_${level}="\$$var"
350
        eval ${var}_level=$(($level+1))
351
    done
352
}
353

    
354
popvar(){
355
    for var in $*; do
356
        eval level=\${${var}_level:-0}
357
        test $level = 0 && continue
358
        eval level=$(($level-1))
359
        eval $var="\${${var}_${level}}"
360
        eval ${var}_level=$level
361
        eval unset ${var}_${level}
362
    done
363
}
364

    
365
enable(){
366
    set_all yes $*
367
}
368

    
369
disable(){
370
    set_all no $*
371
}
372

    
373
enable_weak(){
374
    set_weak yes $*
375
}
376

    
377
disable_weak(){
378
    set_weak no $*
379
}
380

    
381
enable_safe(){
382
    for var; do
383
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
384
    done
385
}
386

    
387
disable_safe(){
388
    for var; do
389
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
390
    done
391
}
392

    
393
do_enable_deep(){
394
    for var; do
395
        enabled $var && continue
396
        eval sel="\$${var}_select"
397
        eval sgs="\$${var}_suggest"
398
        pushvar var sgs
399
        enable_deep $sel
400
        popvar sgs
401
        enable_deep_weak $sgs
402
        popvar var
403
    done
404
}
405

    
406
enable_deep(){
407
    do_enable_deep $*
408
    enable $*
409
}
410

    
411
enable_deep_weak(){
412
    do_enable_deep $*
413
    enable_weak $*
414
}
415

    
416
enabled(){
417
    test "${1#!}" = "$1" && op== || op=!=
418
    eval test "x\$${1#!}" $op "xyes"
419
}
420

    
421
disabled(){
422
    test "${1#!}" = "$1" && op== || op=!=
423
    eval test "x\$${1#!}" $op "xno"
424
}
425

    
426
enabled_all(){
427
    for opt; do
428
        enabled $opt || return 1
429
    done
430
}
431

    
432
disabled_all(){
433
    for opt; do
434
        disabled $opt || return 1
435
    done
436
}
437

    
438
enabled_any(){
439
    for opt; do
440
        enabled $opt && return 0
441
    done
442
}
443

    
444
disabled_any(){
445
    for opt; do
446
        disabled $opt && return 0
447
    done
448
    return 1
449
}
450

    
451
set_default(){
452
    for opt; do
453
        eval : \${$opt:=\$${opt}_default}
454
    done
455
}
456

    
457
is_in(){
458
    value=$1
459
    shift
460
    for var in $*; do
461
        [ $var = $value ] && return 0
462
    done
463
    return 1
464
}
465

    
466
check_deps(){
467
    for cfg; do
468
        cfg="${cfg#!}"
469
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
470
        disabled ${cfg}_checking && continue
471
        enable ${cfg}_checking
472

    
473
        eval dep_all="\$${cfg}_deps"
474
        eval dep_any="\$${cfg}_deps_any"
475
        eval dep_sel="\$${cfg}_select"
476
        eval dep_sgs="\$${cfg}_suggest"
477
        eval dep_ifa="\$${cfg}_if"
478
        eval dep_ifn="\$${cfg}_if_any"
479

    
480
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
481
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
482
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
483

    
484
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
485
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
486
        enabled_all  $dep_all || disable $cfg
487
        enabled_any  $dep_any || disable $cfg
488
        disabled_any $dep_sel && disable $cfg
489

    
490
        if enabled $cfg; then
491
            eval dep_extralibs="\$${cfg}_extralibs"
492
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
493
            enable_deep $dep_sel
494
            enable_deep_weak $dep_sgs
495
        fi
496

    
497
        disable ${cfg}_checking
498
    done
499
}
500

    
501
print_config_h(){
502
    enabled $1 && v=1 || v=0
503
    echo "#define $2 $v"
504
}
505

    
506
print_config_mak(){
507
    enabled $1 && v= || v=!
508
    echo "$v$2=yes"
509
}
510

    
511
print_config_asm(){
512
    enabled $1 && echo "%define $2"
513
}
514

    
515
print_config(){
516
    pfx=$1
517
    files=$2
518
    shift 2
519
    for cfg; do
520
        ucname="$(toupper $cfg)"
521
        for f in $files; do
522
            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
523
        done
524
    done
525
}
526

    
527
print_enabled(){
528
    test "$1" = -n && end=" " && shift || end="\n"
529
    suf=$1
530
    shift
531
    for v; do
532
        enabled $v && printf "%s$end" ${v%$suf};
533
    done
534
}
535

    
536
append(){
537
    var=$1
538
    shift
539
    eval "$var=\"\$$var $*\""
540
}
541

    
542
prepend(){
543
    var=$1
544
    shift
545
    eval "$var=\"$* \$$var\""
546
}
547

    
548
add_cppflags(){
549
    append CPPFLAGS $($filter_cppflags "$@")
550
}
551

    
552
add_cflags(){
553
    append CFLAGS $($filter_cflags "$@")
554
}
555

    
556
add_asflags(){
557
    append ASFLAGS $($filter_asflags "$@")
558
}
559

    
560
add_ldflags(){
561
    append LDFLAGS "$@"
562
}
563

    
564
add_extralibs(){
565
    prepend extralibs "$@"
566
}
567

    
568
check_cmd(){
569
    log "$@"
570
    "$@" >> $logfile 2>&1
571
}
572

    
573
check_cc(){
574
    log check_cc "$@"
575
    cat > $TMPC
576
    log_file $TMPC
577
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
578
}
579

    
580
check_cpp(){
581
    log check_cpp "$@"
582
    cat > $TMPC
583
    log_file $TMPC
584
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
585
}
586

    
587
check_as(){
588
    log check_as "$@"
589
    cat > $TMPC
590
    log_file $TMPC
591
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
592
}
593

    
594
check_asm(){
595
    log check_asm "$@"
596
    name="$1"
597
    code="$2"
598
    shift 2
599
    disable $name
600
    check_as "$@" <<EOF && enable $name
601
void foo(void){ __asm__ volatile($code); }
602
EOF
603
}
604

    
605
check_yasm(){
606
    log check_yasm "$@"
607
    echo "$1" > $TMPS
608
    log_file $TMPS
609
    shift 1
610
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
611
}
612

    
613
check_ld(){
614
    log check_ld "$@"
615
    flags=''
616
    libs=''
617
    for f; do
618
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
619
    done
620
    check_cc $($filter_cflags $flags) || return
621
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
622
}
623

    
624
check_cppflags(){
625
    log check_cppflags "$@"
626
    set -- $($filter_cppflags "$@")
627
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
628
int x;
629
EOF
630
}
631

    
632
check_cflags(){
633
    log check_cflags "$@"
634
    set -- $($filter_cflags "$@")
635
    check_cc "$@" <<EOF && append CFLAGS "$@"
636
int x;
637
EOF
638
}
639

    
640
test_ldflags(){
641
    log test_ldflags "$@"
642
    check_ld "$@" <<EOF
643
int main(void){ return 0; }
644
EOF
645
}
646

    
647
check_ldflags(){
648
    log check_ldflags "$@"
649
    test_ldflags "$@" && add_ldflags "$@"
650
}
651

    
652
check_header(){
653
    log check_header "$@"
654
    header=$1
655
    shift
656
    disable_safe $header
657
    check_cpp "$@" <<EOF && enable_safe $header
658
#include <$header>
659
int x;
660
EOF
661
}
662

    
663
check_func(){
664
    log check_func "$@"
665
    func=$1
666
    shift
667
    disable $func
668
    check_ld "$@" <<EOF && enable $func
669
extern int $func();
670
int main(void){ $func(); }
671
EOF
672
}
673

    
674
check_mathfunc(){
675
    log check_mathfunc "$@"
676
    func=$1
677
    shift
678
    disable $func
679
    check_ld "$@" <<EOF && enable $func
680
#include <math.h>
681
float foo(float f) { return $func(f); }
682
int main(void){ return 0; }
683
EOF
684
}
685

    
686
check_func_headers(){
687
    log check_func_headers "$@"
688
    headers=$1
689
    func=$2
690
    shift 2
691
    disable $func
692
    incs=""
693
    for hdr in $headers; do
694
        incs="$incs
695
#include <$hdr>"
696
    done
697
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
698
$incs
699
int main(int argc, char **argv){
700
    return (long) $func;
701
}
702
EOF
703
}
704

    
705
check_cpp_condition(){
706
    log check_cpp_condition "$@"
707
    header=$1
708
    condition=$2
709
    shift 2
710
    check_cpp $($filter_cppflags "$@") <<EOF
711
#include <$header>
712
#if !($condition)
713
#error "unsatisfied condition: $condition"
714
#endif
715
EOF
716
}
717

    
718
check_lib(){
719
    log check_lib "$@"
720
    header="$1"
721
    func="$2"
722
    shift 2
723
    check_header $header && check_func $func "$@" && add_extralibs "$@"
724
}
725

    
726
check_lib2(){
727
    log check_lib2 "$@"
728
    headers="$1"
729
    func="$2"
730
    shift 2
731
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
732
}
733

    
734
check_exec(){
735
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
736
}
737

    
738
check_exec_crash(){
739
    code=$(cat)
740

    
741
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
742
    # are safe but may not be available everywhere.  Thus we use
743
    # raise(SIGTERM) instead.  The check is run in a subshell so we
744
    # can redirect the "Terminated" message from the shell.  SIGBUS
745
    # is not defined by standard C so it is used conditionally.
746

    
747
    (check_exec "$@") >> $logfile 2>&1 <<EOF
748
#include <signal.h>
749
static void sighandler(int sig){
750
    raise(SIGTERM);
751
}
752
int main(void){
753
    signal(SIGILL, sighandler);
754
    signal(SIGFPE, sighandler);
755
    signal(SIGSEGV, sighandler);
756
#ifdef SIGBUS
757
    signal(SIGBUS, sighandler);
758
#endif
759
    { $code }
760
}
761
EOF
762
}
763

    
764
check_type(){
765
    log check_type "$@"
766
    headers=$1
767
    type=$2
768
    shift 2
769
    disable_safe "$type"
770
    incs=""
771
    for hdr in $headers; do
772
        incs="$incs
773
#include <$hdr>"
774
    done
775
    check_cc "$@" <<EOF && enable_safe "$type"
776
$incs
777
$type v;
778
EOF
779
}
780

    
781
check_struct(){
782
    log check_type "$@"
783
    headers=$1
784
    struct=$2
785
    member=$3
786
    shift 3
787
    disable_safe "${struct}_${member}"
788
    incs=""
789
    for hdr in $headers; do
790
        incs="$incs
791
#include <$hdr>"
792
    done
793
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
794
$incs
795
const void *p = &(($struct *)0)->$member;
796
EOF
797
}
798

    
799
require(){
800
    name="$1"
801
    header="$2"
802
    func="$3"
803
    shift 3
804
    check_lib $header $func "$@" || die "ERROR: $name not found"
805
}
806

    
807
require2(){
808
    name="$1"
809
    headers="$2"
810
    func="$3"
811
    shift 3
812
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
813
}
814

    
815
check_host_cc(){
816
    log check_host_cc "$@"
817
    cat > $TMPC
818
    log_file $TMPC
819
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
820
}
821

    
822
check_host_cflags(){
823
    log check_host_cflags "$@"
824
    check_host_cc "$@" <<EOF && append host_cflags "$@"
825
int x;
826
EOF
827
}
828

    
829
apply(){
830
    file=$1
831
    shift
832
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
833
}
834

    
835
cp_if_changed(){
836
    cmp -s "$1" "$2" &&
837
        echo "$2 is unchanged" ||
838
        cp -f "$1" "$2"
839
}
840

    
841
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
842
# system-dependent things.
843

    
844
COMPONENT_LIST="
845
    bsfs
846
    decoders
847
    demuxers
848
    encoders
849
    filters
850
    hwaccels
851
    indevs
852
    muxers
853
    outdevs
854
    parsers
855
    protocols
856
"
857

    
858
CONFIG_LIST="
859
    $COMPONENT_LIST
860
    aandct
861
    avcodec
862
    avcore
863
    avdevice
864
    avfilter
865
    avformat
866
    avisynth
867
    bzlib
868
    dct
869
    doc
870
    dwt
871
    dxva2
872
    fastdiv
873
    ffmpeg
874
    ffplay
875
    ffprobe
876
    ffserver
877
    fft
878
    frei0r
879
    golomb
880
    gpl
881
    gray
882
    h264dsp
883
    h264pred
884
    hardcoded_tables
885
    huffman
886
    libdc1394
887
    libdirac
888
    libfaac
889
    libgsm
890
    libmp3lame
891
    libnut
892
    libopencore_amrnb
893
    libopencore_amrwb
894
    libopencv
895
    libopenjpeg
896
    librtmp
897
    libschroedinger
898
    libspeex
899
    libtheora
900
    libvorbis
901
    libvpx
902
    libx264
903
    libxavs
904
    libxvid
905
    lpc
906
    lsp
907
    mdct
908
    memalign_hack
909
    mlib
910
    mpegaudio_hp
911
    network
912
    nonfree
913
    pic
914
    postproc
915
    rdft
916
    rtpdec
917
    runtime_cpudetect
918
    shared
919
    small
920
    sram
921
    static
922
    swscale
923
    swscale_alpha
924
    vaapi
925
    vdpau
926
    version3
927
    x11grab
928
    zlib
929
"
930

    
931
THREADS_LIST='
932
    pthreads
933
    w32threads
934
'
935

    
936
ARCH_LIST='
937
    alpha
938
    arm
939
    avr32
940
    avr32_ap
941
    avr32_uc
942
    bfin
943
    ia64
944
    m68k
945
    mips
946
    mips64
947
    parisc
948
    ppc
949
    ppc64
950
    s390
951
    sh4
952
    sparc
953
    sparc64
954
    tomi
955
    x86
956
    x86_32
957
    x86_64
958
'
959

    
960
ARCH_EXT_LIST='
961
    altivec
962
    amd3dnow
963
    amd3dnowext
964
    armv5te
965
    armv6
966
    armv6t2
967
    armvfp
968
    iwmmxt
969
    mmi
970
    mmx
971
    mmx2
972
    neon
973
    ppc4xx
974
    sse
975
    ssse3
976
    vis
977
'
978

    
979
HAVE_LIST_PUB='
980
    bigendian
981
    fast_unaligned
982
'
983

    
984
HAVE_LIST="
985
    $ARCH_EXT_LIST
986
    $HAVE_LIST_PUB
987
    $THREADS_LIST
988
    aligned_stack
989
    alsa_asoundlib_h
990
    altivec_h
991
    arpa_inet_h
992
    attribute_may_alias
993
    attribute_packed
994
    bswap
995
    closesocket
996
    cmov
997
    conio_h
998
    dcbzl
999
    dev_bktr_ioctl_bt848_h
1000
    dev_bktr_ioctl_meteor_h
1001
    dev_ic_bt8xx_h
1002
    dev_video_meteor_ioctl_meteor_h
1003
    dev_video_bktr_ioctl_bt848_h
1004
    dlfcn_h
1005
    dlopen
1006
    dos_paths
1007
    ebp_available
1008
    ebx_available
1009
    exp2
1010
    exp2f
1011
    fast_64bit
1012
    fast_clz
1013
    fast_cmov
1014
    fcntl
1015
    fork
1016
    getaddrinfo
1017
    gethrtime
1018
    GetProcessMemoryInfo
1019
    GetProcessTimes
1020
    getrusage
1021
    gnu_as
1022
    struct_rusage_ru_maxrss
1023
    ibm_asm
1024
    inet_aton
1025
    inline_asm
1026
    isatty
1027
    ldbrx
1028
    libdc1394_1
1029
    libdc1394_2
1030
    llrint
1031
    llrintf
1032
    local_aligned_16
1033
    local_aligned_8
1034
    log2
1035
    log2f
1036
    loongson
1037
    lrint
1038
    lrintf
1039
    lzo1x_999_compress
1040
    machine_ioctl_bt848_h
1041
    machine_ioctl_meteor_h
1042
    malloc_h
1043
    memalign
1044
    mkstemp
1045
    mmap
1046
    pld
1047
    posix_memalign
1048
    round
1049
    roundf
1050
    sdl
1051
    sdl_video_size
1052
    setmode
1053
    socklen_t
1054
    soundcard_h
1055
    poll_h
1056
    setrlimit
1057
    strerror_r
1058
    strtok_r
1059
    struct_addrinfo
1060
    struct_ipv6_mreq
1061
    struct_sockaddr_in6
1062
    struct_sockaddr_sa_len
1063
    struct_sockaddr_storage
1064
    symver
1065
    symver_gnu_asm
1066
    symver_asm_label
1067
    sys_mman_h
1068
    sys_resource_h
1069
    sys_select_h
1070
    sys_soundcard_h
1071
    sys_videoio_h
1072
    ten_operands
1073
    termios_h
1074
    threads
1075
    truncf
1076
    vfp_args
1077
    VirtualAlloc
1078
    winsock2_h
1079
    xform_asm
1080
    xmm_clobbers
1081
    yasm
1082
"
1083

    
1084
# options emitted with CONFIG_ prefix but not available on command line
1085
CONFIG_EXTRA="
1086
    avutil
1087
    gplv3
1088
    lgplv3
1089
"
1090

    
1091
CMDLINE_SELECT="
1092
    $ARCH_EXT_LIST
1093
    $CONFIG_LIST
1094
    $THREADS_LIST
1095
    asm
1096
    cross_compile
1097
    debug
1098
    extra_warnings
1099
    logging
1100
    optimizations
1101
    stripping
1102
    symver
1103
    yasm
1104
"
1105

    
1106
PATHS_LIST='
1107
    bindir
1108
    datadir
1109
    incdir
1110
    libdir
1111
    mandir
1112
    prefix
1113
    shlibdir
1114
'
1115

    
1116
CMDLINE_SET="
1117
    $PATHS_LIST
1118
    ar
1119
    arch
1120
    as
1121
    build_suffix
1122
    cc
1123
    cpu
1124
    cross_prefix
1125
    dep_cc
1126
    extra_version
1127
    host_cc
1128
    host_cflags
1129
    host_ldflags
1130
    host_libs
1131
    host_os
1132
    ld
1133
    logfile
1134
    malloc_prefix
1135
    nm
1136
    samples
1137
    source_path
1138
    strip
1139
    sysinclude
1140
    sysroot
1141
    target_exec
1142
    target_os
1143
    target_path
1144
"
1145

    
1146
CMDLINE_APPEND="
1147
    extra_cflags
1148
"
1149

    
1150
# code dependency declarations
1151

    
1152
# architecture extensions
1153

    
1154
armv5te_deps="arm"
1155
armv6_deps="arm"
1156
armv6t2_deps="arm"
1157
armvfp_deps="arm"
1158
iwmmxt_deps="arm"
1159
neon_deps="arm"
1160

    
1161
mmi_deps="mips"
1162

    
1163
altivec_deps="ppc"
1164
ppc4xx_deps="ppc"
1165

    
1166
vis_deps="sparc"
1167

    
1168
x86_64_suggest="cmov fast_cmov"
1169
amd3dnow_deps="mmx"
1170
amd3dnowext_deps="amd3dnow"
1171
mmx_deps="x86"
1172
mmx2_deps="mmx"
1173
sse_deps="mmx"
1174
ssse3_deps="sse"
1175

    
1176
aligned_stack_if_any="ppc x86"
1177
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1178
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1179
fast_unaligned_if_any="armv6 ppc x86"
1180

    
1181
need_memalign="altivec neon sse"
1182
inline_asm_deps="!tms470"
1183

    
1184
symver_if_any="symver_asm_label symver_gnu_asm"
1185

    
1186
# subsystems
1187
dct_select="rdft"
1188
mdct_select="fft"
1189
rdft_select="fft"
1190

    
1191
# decoders / encoders / hardware accelerators
1192
aac_decoder_select="mdct rdft"
1193
aac_encoder_select="mdct"
1194
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1195
ac3_decoder_select="mdct ac3_parser"
1196
alac_encoder_select="lpc"
1197
amrnb_decoder_select="lsp"
1198
amrwb_decoder_select="lsp"
1199
atrac1_decoder_select="mdct"
1200
atrac3_decoder_select="mdct"
1201
binkaudio_dct_decoder_select="mdct rdft dct"
1202
binkaudio_rdft_decoder_select="mdct rdft"
1203
cavs_decoder_select="golomb"
1204
cook_decoder_select="mdct"
1205
cscd_decoder_suggest="zlib"
1206
dca_decoder_select="mdct"
1207
dnxhd_encoder_select="aandct"
1208
dxa_decoder_select="zlib"
1209
eac3_decoder_select="ac3_decoder"
1210
eamad_decoder_select="aandct"
1211
eatgq_decoder_select="aandct"
1212
eatqi_decoder_select="aandct"
1213
ffv1_decoder_select="golomb"
1214
flac_decoder_select="golomb"
1215
flac_encoder_select="golomb lpc"
1216
flashsv_decoder_select="zlib"
1217
flashsv_encoder_select="zlib"
1218
flv_decoder_select="h263_decoder"
1219
flv_encoder_select="h263_encoder"
1220
fraps_decoder_select="huffman"
1221
h261_encoder_select="aandct"
1222
h263_decoder_select="h263_parser"
1223
h263_encoder_select="aandct"
1224
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1225
h263i_decoder_select="h263_decoder"
1226
h263p_encoder_select="h263_encoder"
1227
h264_decoder_select="golomb h264dsp h264pred"
1228
h264_dxva2_hwaccel_deps="dxva2api_h"
1229
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1230
h264_vaapi_hwaccel_select="vaapi"
1231
h264_vdpau_decoder_select="vdpau h264_decoder"
1232
imc_decoder_select="fft mdct"
1233
jpegls_decoder_select="golomb"
1234
jpegls_encoder_select="golomb"
1235
ljpeg_encoder_select="aandct"
1236
loco_decoder_select="golomb"
1237
mjpeg_encoder_select="aandct"
1238
mlp_decoder_select="mlp_parser"
1239
mp1float_decoder_select="dct"
1240
mp2float_decoder_select="dct"
1241
mp3adufloat_decoder_select="dct"
1242
mp3float_decoder_select="dct"
1243
mp3on4float_decoder_select="dct"
1244
mpeg1video_encoder_select="aandct"
1245
mpeg2video_encoder_select="aandct"
1246
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1247
mpeg4_encoder_select="h263_encoder"
1248
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1249
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1250
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1251
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1252
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1253
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1254
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1255
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1256
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1257
msmpeg4v1_decoder_select="h263_decoder"
1258
msmpeg4v1_encoder_select="h263_encoder"
1259
msmpeg4v2_decoder_select="h263_decoder"
1260
msmpeg4v2_encoder_select="h263_encoder"
1261
msmpeg4v3_decoder_select="h263_decoder"
1262
msmpeg4v3_encoder_select="h263_encoder"
1263
nellymoser_decoder_select="mdct"
1264
nellymoser_encoder_select="mdct"
1265
png_decoder_select="zlib"
1266
png_encoder_select="zlib"
1267
qcelp_decoder_select="lsp"
1268
qdm2_decoder_select="mdct rdft"
1269
ra_144_encoder_select="lpc"
1270
rv10_decoder_select="h263_decoder"
1271
rv10_encoder_select="h263_encoder"
1272
rv20_decoder_select="h263_decoder"
1273
rv20_encoder_select="h263_encoder"
1274
rv30_decoder_select="golomb h264pred"
1275
rv40_decoder_select="golomb h264pred"
1276
shorten_decoder_select="golomb"
1277
sipr_decoder_select="lsp"
1278
snow_decoder_select="dwt"
1279
snow_encoder_select="aandct dwt"
1280
sonic_decoder_select="golomb"
1281
sonic_encoder_select="golomb"
1282
sonic_ls_encoder_select="golomb"
1283
svq1_encoder_select="aandct"
1284
svq3_decoder_select="golomb h264dsp h264pred"
1285
svq3_decoder_suggest="zlib"
1286
theora_decoder_select="vp3_decoder"
1287
tiff_decoder_suggest="zlib"
1288
tiff_encoder_suggest="zlib"
1289
truehd_decoder_select="mlp_decoder"
1290
tscc_decoder_select="zlib"
1291
twinvq_decoder_select="mdct lsp"
1292
vc1_decoder_select="h263_decoder"
1293
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1294
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1295
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1296
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1297
vorbis_decoder_select="mdct"
1298
vorbis_encoder_select="mdct"
1299
vp6_decoder_select="huffman"
1300
vp6a_decoder_select="vp6_decoder"
1301
vp6f_decoder_select="vp6_decoder"
1302
vp8_decoder_select="h264pred"
1303
wmapro_decoder_select="mdct"
1304
wmav1_decoder_select="mdct"
1305
wmav1_encoder_select="mdct"
1306
wmav2_decoder_select="mdct"
1307
wmav2_encoder_select="mdct"
1308
wmavoice_decoder_select="lsp rdft dct mdct"
1309
wmv1_decoder_select="h263_decoder"
1310
wmv1_encoder_select="h263_encoder"
1311
wmv2_decoder_select="h263_decoder"
1312
wmv2_encoder_select="h263_encoder"
1313
wmv3_decoder_select="vc1_decoder"
1314
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1315
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1316
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1317
zlib_decoder_select="zlib"
1318
zlib_encoder_select="zlib"
1319
zmbv_decoder_select="zlib"
1320
zmbv_encoder_select="zlib"
1321

    
1322
vaapi_deps="va_va_h"
1323
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1324

    
1325
# parsers
1326
h264_parser_select="golomb h264dsp h264pred"
1327

    
1328
# external libraries
1329
libdirac_decoder_deps="libdirac !libschroedinger"
1330
libdirac_encoder_deps="libdirac"
1331
libfaac_encoder_deps="libfaac"
1332
libgsm_decoder_deps="libgsm"
1333
libgsm_encoder_deps="libgsm"
1334
libgsm_ms_decoder_deps="libgsm"
1335
libgsm_ms_encoder_deps="libgsm"
1336
libmp3lame_encoder_deps="libmp3lame"
1337
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1338
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1339
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1340
libopenjpeg_decoder_deps="libopenjpeg"
1341
libschroedinger_decoder_deps="libschroedinger"
1342
libschroedinger_encoder_deps="libschroedinger"
1343
libspeex_decoder_deps="libspeex"
1344
libtheora_encoder_deps="libtheora"
1345
libvorbis_encoder_deps="libvorbis"
1346
libvpx_decoder_deps="libvpx"
1347
libvpx_encoder_deps="libvpx"
1348
libx264_encoder_deps="libx264"
1349
libxavs_encoder_deps="libxavs"
1350
libxvid_encoder_deps="libxvid"
1351

    
1352
# demuxers / muxers
1353
ac3_demuxer_deps="ac3_parser"
1354
asf_stream_muxer_select="asf_muxer"
1355
avisynth_demuxer_deps="avisynth"
1356
dirac_demuxer_deps="dirac_parser"
1357
eac3_demuxer_select="ac3_parser"
1358
flac_demuxer_deps="flac_parser"
1359
ipod_muxer_select="mov_muxer"
1360
libnut_demuxer_deps="libnut"
1361
libnut_muxer_deps="libnut"
1362
matroska_audio_muxer_select="matroska_muxer"
1363
matroska_demuxer_suggest="zlib bzlib"
1364
mov_demuxer_suggest="zlib"
1365
mp3_demuxer_deps="mpegaudio_parser"
1366
mp4_muxer_select="mov_muxer"
1367
mpegtsraw_demuxer_select="mpegts_demuxer"
1368
mxf_d10_muxer_select="mxf_muxer"
1369
ogg_demuxer_select="golomb"
1370
psp_muxer_select="mov_muxer"
1371
rtp_demuxer_select="sdp_demuxer"
1372
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1373
rtsp_demuxer_select="http_protocol rtpdec"
1374
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1375
sap_demuxer_select="sdp_demuxer"
1376
sap_muxer_select="rtp_muxer rtp_protocol"
1377
sdp_demuxer_select="rtpdec"
1378
spdif_muxer_select="aac_parser"
1379
tg2_muxer_select="mov_muxer"
1380
tgp_muxer_select="mov_muxer"
1381
w64_demuxer_deps="wav_demuxer"
1382

    
1383
# indevs / outdevs
1384
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1385
alsa_outdev_deps="alsa_asoundlib_h"
1386
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1387
dv1394_indev_deps="dv1394 dv_demuxer"
1388
jack_indev_deps="jack_jack_h"
1389
libdc1394_indev_deps="libdc1394"
1390
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1391
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1392
v4l_indev_deps="linux_videodev_h"
1393
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1394
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1395
vfwcap_indev_extralibs="-lavicap32"
1396
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1397
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1398

    
1399
# protocols
1400
gopher_protocol_deps="network"
1401
http_protocol_deps="network"
1402
http_protocol_select="tcp_protocol"
1403
mmsh_protocol_select="http_protocol"
1404
mmst_protocol_deps="network"
1405
rtmp_protocol_select="tcp_protocol"
1406
rtp_protocol_select="udp_protocol"
1407
tcp_protocol_deps="network"
1408
udp_protocol_deps="network"
1409

    
1410
# filters
1411
blackframe_filter_deps="gpl"
1412
cropdetect_filter_deps="gpl"
1413
frei0r_filter_deps="frei0r dlopen strtok_r"
1414
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1415
hqdn3d_filter_deps="gpl"
1416
ocv_smooth_filter_deps="libopencv"
1417
yadif_filter_deps="gpl"
1418

    
1419
# libraries
1420
avdevice_deps="avcodec avformat"
1421
avformat_deps="avcodec"
1422

    
1423
# programs
1424
ffmpeg_deps="avcodec avformat swscale"
1425
ffmpeg_select="buffer_filter"
1426
ffplay_deps="avcodec avformat swscale sdl"
1427
ffplay_select="rdft"
1428
ffprobe_deps="avcodec avformat"
1429
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1430
ffserver_extralibs='$ldl'
1431

    
1432
doc_deps="texi2html"
1433

    
1434
# tests
1435

    
1436
test_deps(){
1437
    suf1=$1
1438
    suf2=$2
1439
    shift 2
1440
    for v; do
1441
        dep=${v%=*}
1442
        tests=${v#*=}
1443
        for name in ${tests}; do
1444
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1445
        done
1446
    done
1447
}
1448

    
1449
set_ne_test_deps(){
1450
    eval ${1}_be_test_deps="bigendian"
1451
    eval ${1}_le_test_deps="!bigendian"
1452
}
1453

    
1454
test_deps _encoder _decoder                                             \
1455
    ac3                                                                 \
1456
    adpcm_g726=g726                                                     \
1457
    adpcm_ima_qt                                                        \
1458
    adpcm_ima_wav                                                       \
1459
    adpcm_ms                                                            \
1460
    adpcm_swf                                                           \
1461
    adpcm_yamaha=adpcm_yam                                              \
1462
    alac                                                                \
1463
    asv1                                                                \
1464
    asv2                                                                \
1465
    bmp                                                                 \
1466
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1467
    dvvideo="dv dv50"                                                   \
1468
    ffv1                                                                \
1469
    flac                                                                \
1470
    flashsv                                                             \
1471
    flv                                                                 \
1472
    gif                                                                 \
1473
    h261                                                                \
1474
    h263="h263 h263p"                                                   \
1475
    huffyuv                                                             \
1476
    jpegls                                                              \
1477
    mjpeg="jpg mjpeg ljpeg"                                             \
1478
    mp2                                                                 \
1479
    mpeg1video="mpeg mpeg1b"                                            \
1480
    mpeg2video="mpeg2 mpeg2thread"                                      \
1481
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1482
    msmpeg4v3=msmpeg4                                                   \
1483
    msmpeg4v2                                                           \
1484
    pbm=pbmpipe                                                         \
1485
    pcx                                                                 \
1486
    pgm="pgm pgmpipe"                                                   \
1487
    ppm="ppm ppmpipe"                                                   \
1488
    rawvideo="rgb yuv"                                                  \
1489
    roq                                                                 \
1490
    rv10                                                                \
1491
    rv20                                                                \
1492
    sgi                                                                 \
1493
    snow="snow snowll"                                                  \
1494
    svq1                                                                \
1495
    targa=tga                                                           \
1496
    tiff                                                                \
1497
    wmav1                                                               \
1498
    wmav2                                                               \
1499
    wmv1                                                                \
1500
    wmv2                                                                \
1501

    
1502
test_deps _muxer _demuxer                                               \
1503
    aiff                                                                \
1504
    pcm_alaw=alaw                                                       \
1505
    asf                                                                 \
1506
    au                                                                  \
1507
    avi                                                                 \
1508
    dv=dv_fmt                                                           \
1509
    ffm                                                                 \
1510
    flv=flv_fmt                                                         \
1511
    gxf                                                                 \
1512
    matroska=mkv                                                        \
1513
    mmf                                                                 \
1514
    mov                                                                 \
1515
    pcm_mulaw=mulaw                                                     \
1516
    mxf                                                                 \
1517
    nut                                                                 \
1518
    ogg                                                                 \
1519
    rawvideo=pixfmt                                                     \
1520
    rm                                                                  \
1521
    swf                                                                 \
1522
    mpegts=ts                                                           \
1523
    voc                                                                 \
1524
    wav                                                                 \
1525
    yuv4mpegpipe=yuv4mpeg                                               \
1526

    
1527
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1528

    
1529
set_ne_test_deps pixdesc
1530
set_ne_test_deps pixfmts_crop
1531
set_ne_test_deps pixfmts_hflip
1532
set_ne_test_deps pixfmts_null
1533
set_ne_test_deps pixfmts_pad
1534
set_ne_test_deps pixfmts_scale
1535
set_ne_test_deps pixfmts_vflip
1536

    
1537
# default parameters
1538

    
1539
logfile="config.log"
1540

    
1541
# installation paths
1542
prefix_default="/usr/local"
1543
bindir_default='${prefix}/bin'
1544
datadir_default='${prefix}/share/ffmpeg'
1545
incdir_default='${prefix}/include'
1546
libdir_default='${prefix}/lib'
1547
mandir_default='${prefix}/share/man'
1548
shlibdir_default="$libdir_default"
1549

    
1550
# toolchain
1551
ar_default="ar"
1552
cc_default="gcc"
1553
cc_version=\"unknown\"
1554
host_cc_default="gcc"
1555
ln_s="ln -sf"
1556
nm_default="nm"
1557
objformat="elf"
1558
ranlib="ranlib"
1559
strip_default="strip"
1560
yasmexe="yasm"
1561
nogas=":"
1562

    
1563
nm_opts='-g'
1564

    
1565
# machine
1566
arch_default=$(uname -m)
1567
cpu="generic"
1568

    
1569
# OS
1570
target_os_default=$(tolower $(uname -s))
1571
host_os=$target_os_default
1572

    
1573
# configurable options
1574
enable avcodec
1575
enable avcore
1576
enable avdevice
1577
enable avfilter
1578
enable avformat
1579
enable avutil
1580
enable asm
1581
enable debug
1582
enable doc
1583
enable fastdiv
1584
enable ffmpeg
1585
enable ffplay
1586
enable ffprobe
1587
enable ffserver
1588
enable mpegaudio_hp
1589
enable network
1590
enable optimizations
1591
enable protocols
1592
enable static
1593
enable stripping
1594
enable swscale
1595
enable swscale_alpha
1596

    
1597
# build settings
1598
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1599
FFSERVERLDFLAGS=-Wl,-E
1600
LIBPREF="lib"
1601
LIBSUF=".a"
1602
FULLNAME='$(NAME)$(BUILDSUF)'
1603
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1604
SLIBPREF="lib"
1605
SLIBSUF=".so"
1606
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1607
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1608
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1609
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1610

    
1611
CC_O='-o $@'
1612

    
1613
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1614
host_libs='-lm'
1615

    
1616
target_path='$(CURDIR)'
1617

    
1618
# since the object filename is not given with the -MM flag, the compiler
1619
# is only able to print the basename, and we must add the path ourselves
1620
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1621
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1622

    
1623
# find source path
1624
source_path="$(dirname "$0")"
1625
enable source_path_used
1626
if test -f configure; then
1627
    source_path="$(pwd)"
1628
    disable source_path_used
1629
else
1630
    source_path="$(cd "$source_path"; pwd)"
1631
    echo "$source_path" | grep -q '[[:blank:]]' &&
1632
        die "Out of tree builds are impossible with whitespace in source path."
1633
    test -e "$source_path/config.h" &&
1634
        die "Out of tree builds are impossible with config.h in source dir."
1635
fi
1636

    
1637
for v in "$@"; do
1638
    r=${v#*=}
1639
    l=${v%"$r"}
1640
    r=$(sh_quote "$r")
1641
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1642
done
1643

    
1644
find_things(){
1645
    thing=$1
1646
    pattern=$2
1647
    file=$source_path/$3
1648
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1649
}
1650

    
1651
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1652
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1653
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1654
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1655
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1656
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1657
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1658
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1659
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1660
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1661
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1662

    
1663
find_tests(){
1664
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1665
}
1666

    
1667
ACODEC_TESTS=$(find_tests acodec)
1668
VCODEC_TESTS=$(find_tests vsynth1)
1669
LAVF_TESTS=$(find_tests lavf)
1670
LAVFI_TESTS=$(find_tests lavfi)
1671
SEEK_TESTS=$(find_tests seek seek_)
1672

    
1673
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1674

    
1675
for n in $COMPONENT_LIST; do
1676
    v=$(toupper ${n%s})_LIST
1677
    eval enable \$$v
1678
    eval ${n}_if_any="\$$v"
1679
done
1680

    
1681
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1682

    
1683
die_unknown(){
1684
    echo "Unknown option \"$1\"."
1685
    echo "See $0 --help for available options."
1686
    exit 1
1687
}
1688

    
1689
show_list() {
1690
    suffix=_$1
1691
    shift
1692
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1693
    exit 0
1694
}
1695

    
1696
for opt do
1697
    optval="${opt#*=}"
1698
    case "$opt" in
1699
    --extra-ldflags=*) add_ldflags $optval
1700
    ;;
1701
    --extra-libs=*) add_extralibs $optval
1702
    ;;
1703
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1704
    ;;
1705
    --enable-debug=*) debuglevel="$optval"
1706
    ;;
1707
    --disable-everything)
1708
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1709
    ;;
1710
    --enable-*=*|--disable-*=*)
1711
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1712
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1713
    eval list=\$$(toupper $thing)_LIST
1714
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1715
    $action $(filter "$name" $list)
1716
    ;;
1717
    --enable-?*|--disable-?*)
1718
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1719
    if is_in $option $COMPONENT_LIST; then
1720
        test $action = disable && action=unset
1721
        eval $action \$$(toupper ${option%s})_LIST
1722
    elif is_in $option $CMDLINE_SELECT; then
1723
        $action $option
1724
    else
1725
        die_unknown $opt
1726
    fi
1727
    ;;
1728
    --list-*)
1729
        NAME="${opt#--list-}"
1730
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1731
        NAME=${NAME%s}
1732
        eval show_list $NAME \$$(toupper $NAME)_LIST
1733
    ;;
1734
    --help|-h) show_help
1735
    ;;
1736
    *)
1737
    optname="${opt%%=*}"
1738
    optname="${optname#--}"
1739
    optname=$(echo "$optname" | sed 's/-/_/g')
1740
    if is_in $optname $CMDLINE_SET; then
1741
        eval $optname='$optval'
1742
    elif is_in $optname $CMDLINE_APPEND; then
1743
        append $optname "$optval"
1744
    else
1745
         die_unknown $opt
1746
    fi
1747
    ;;
1748
    esac
1749
done
1750

    
1751
disabled logging && logfile=/dev/null
1752

    
1753
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1754
set >> $logfile
1755

    
1756
test -n "$cross_prefix" && enable cross_compile
1757

    
1758
if enabled cross_compile; then
1759
    test -n "$arch" && test -n "$target_os" ||
1760
        die "Must specify target arch and OS when cross-compiling"
1761
fi
1762

    
1763
set_default arch target_os
1764

    
1765
ar_default="${cross_prefix}${ar_default}"
1766
cc_default="${cross_prefix}${cc_default}"
1767
nm_default="${cross_prefix}${nm_default}"
1768
ranlib="${cross_prefix}${ranlib}"
1769
strip_default="${cross_prefix}${strip_default}"
1770

    
1771
sysinclude_default="${sysroot}/usr/include"
1772

    
1773
set_default cc nm strip sysinclude
1774
enabled cross_compile || host_cc_default=$cc
1775
set_default host_cc
1776

    
1777
exesuf() {
1778
    case $1 in
1779
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1780
    esac
1781
}
1782

    
1783
EXESUF=$(exesuf $target_os)
1784
HOSTEXESUF=$(exesuf $host_os)
1785

    
1786
# set temporary file name
1787
: ${TMPDIR:=$TEMPDIR}
1788
: ${TMPDIR:=$TMP}
1789
: ${TMPDIR:=/tmp}
1790

    
1791
if ! check_cmd type mktemp; then
1792
    # simple replacement for missing mktemp
1793
    # NOT SAFE FOR GENERAL USE
1794
    mktemp(){
1795
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1796
    }
1797
fi
1798

    
1799
tmpfile(){
1800
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1801
        (set -C; exec > $tmp) 2>/dev/null ||
1802
        die "Unable to create temporary file in $TMPDIR."
1803
    append TMPFILES $tmp
1804
    eval $1=$tmp
1805
}
1806

    
1807
trap 'rm -f -- $TMPFILES' EXIT
1808
trap exit HUP INT TERM
1809

    
1810
tmpfile TMPC  .c
1811
tmpfile TMPE  $EXESUF
1812
tmpfile TMPH  .h
1813
tmpfile TMPO  .o
1814
tmpfile TMPS  .S
1815
tmpfile TMPV  .ver
1816
tmpfile TMPSH .sh
1817
tmpfile TMPASM .asm
1818

    
1819
unset -f mktemp
1820

    
1821
# make sure we can execute files in $TMPDIR
1822
cat > $TMPSH 2>> $logfile <<EOF
1823
#! /bin/sh
1824
EOF
1825
chmod +x $TMPSH >> $logfile 2>&1
1826
if ! $TMPSH >> $logfile 2>&1; then
1827
    cat <<EOF
1828
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1829
variable to another directory and make sure that it is not mounted noexec.
1830
EOF
1831
    die "Sanity test failed."
1832
fi
1833

    
1834
filter_cflags=echo
1835
filter_cppflags=echo
1836
filter_asflags=echo
1837

    
1838
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1839
    cc_type=llvm_gcc
1840
    cc_version=__VERSION__
1841
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1842
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1843
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1844
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1845
    speed_cflags='-O3'
1846
    size_cflags='-Os'
1847
elif $cc -v 2>&1 | grep -qi ^gcc; then
1848
    cc_type=gcc
1849
    cc_version=__VERSION__
1850
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1851
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1852
    if ! $cc -dumpversion | grep -q '^2\.'; then
1853
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1854
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1855
    fi
1856
    speed_cflags='-O3'
1857
    size_cflags='-Os'
1858
elif $cc --version 2>/dev/null | grep -q Intel; then
1859
    cc_type=icc
1860
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1861
    cc_ident=$($cc --version | head -n1)
1862
    icc_version=$($cc -dumpversion)
1863
    CC_DEPFLAGS='-MMD'
1864
    AS_DEPFLAGS='-MMD'
1865
    speed_cflags='-O3'
1866
    size_cflags='-Os'
1867
    noopt_cflags='-O1'
1868
elif $cc -v 2>&1 | grep -q xlc; then
1869
    cc_type=xlc
1870
    cc_version="AV_STRINGIFY(__IBMC__)"
1871
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1872
    speed_cflags='-O5'
1873
    size_cflags='-O5 -qcompact'
1874
elif $cc -V 2>/dev/null | grep -q Compaq; then
1875
    cc_type=ccc
1876
    cc_version="AV_STRINGIFY(__DECC_VER)"
1877
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1878
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1879
    debuglevel=3
1880
    add_ldflags -Wl,-z,now # calls to libots crash without this
1881
    speed_cflags='-fast'
1882
    size_cflags='-O1'
1883
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1884
    test -d "$sysroot" || die "No valid sysroot specified."
1885
    cc_type=armcc
1886
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1887
    cc_ident=$($cc --vsn | head -n1)
1888
    armcc_conf="$PWD/armcc.conf"
1889
    $cc --arm_linux_configure                 \
1890
        --arm_linux_config_file="$armcc_conf" \
1891
        --configure_sysroot="$sysroot"        \
1892
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1893
        die "Error creating armcc configuration file."
1894
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1895
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1896
    as_default="${cross_prefix}gcc"
1897
    CC_DEPFLAGS='-MMD'
1898
    AS_DEPFLAGS='-MMD'
1899
    speed_cflags='-O3'
1900
    size_cflags='-Os'
1901
elif $cc -version 2>/dev/null | grep -q TMS470; then
1902
    cc_type=tms470
1903
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1904
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1905
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1906
    CC_O='-fr=$(@D)'
1907
    as_default="${cross_prefix}gcc"
1908
    ld_default="${cross_prefix}gcc"
1909
    TMPO=$(basename $TMPC .c).o
1910
    append TMPFILES $TMPO
1911
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1912
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1913
    AS_DEPFLAGS='-MMD'
1914
    speed_cflags='-O3 -mf=5'
1915
    size_cflags='-O3 -mf=2'
1916
    filter_cflags=tms470_flags
1917
    tms470_flags(){
1918
        for flag; do
1919
            case $flag in
1920
                -march=*|-mcpu=*)
1921
                    case "${flag#*=}" in
1922
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1923
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1924
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1925
                        armv6*|arm11*)          echo -mv=6   ;;
1926
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1927
                                                echo -mv=5e  ;;
1928
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1929
                    esac
1930
                    ;;
1931
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1932
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1933
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1934
                -msoft-float)   echo --float_support=vfplib       ;;
1935
                -O[0-3]|-mf=*)  echo $flag                        ;;
1936
                -g)             echo -g -mn                       ;;
1937
                -pds=*)         echo $flag                        ;;
1938
            esac
1939
        done
1940
    }
1941
elif $cc -v 2>&1 | grep -q clang; then
1942
    cc_type=clang
1943
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1944
        cc_version=__clang_version__ || cc_version=__VERSION__
1945
    cc_ident=$($cc --version | head -n1)
1946
    CC_DEPFLAGS='-MMD'
1947
    AS_DEPFLAGS='-MMD'
1948
    speed_cflags='-O3'
1949
    size_cflags='-Os'
1950
elif $cc -V 2>&1 | grep -q Sun; then
1951
    cc_type=suncc
1952
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1953
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1954
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1955
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1956
    speed_cflags='-O5'
1957
    size_cflags='-O5 -xspace'
1958
    filter_cflags=suncc_flags
1959
    suncc_flags(){
1960
        for flag; do
1961
            case $flag in
1962
                -march=*|-mcpu=*)
1963
                    case "${flag#*=}" in
1964
                        native)                   echo -xtarget=native       ;;
1965
                        v9|niagara)               echo -xarch=sparc          ;;
1966
                        ultrasparc)               echo -xarch=sparcvis       ;;
1967
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1968
                        i586|pentium)             echo -xchip=pentium        ;;
1969
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1970
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1971
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1972
                        pentium4*)          echo -xtarget=pentium4           ;;
1973
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1974
                        *-sse3)             echo -xarch=sse3                 ;;
1975
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1976
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1977
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1978
                        k8|opteron|athlon64|athlon-fx)
1979
                                                  echo -xarch=sse2a          ;;
1980
                        athlon*)                  echo -xarch=pentium_proa   ;;
1981
                    esac
1982
                    ;;
1983
                -std=c99)             echo -xc99              ;;
1984
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1985
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1986
                -W*,*)                echo $flag              ;;
1987
                -f*-*|-W*)                                    ;;
1988
                *)                    echo $flag              ;;
1989
            esac
1990
        done
1991
    }
1992
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1993
    cc_type=pathscale
1994
    cc_version=__PATHSCALE__
1995
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1996
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1997
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1998
    speed_cflags='-O2'
1999
    size_cflags='-Os'
2000
elif $cc -v 2>&1 | grep -q Open64; then
2001
    cc_type=open64
2002
    cc_version=__OPEN64__
2003
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2004
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2005
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2006
    speed_cflags='-O2'
2007
    size_cflags='-Os'
2008
fi
2009

    
2010
test -n "$cc_type" && enable $cc_type ||
2011
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2012

    
2013
: ${as_default:=$cc}
2014
: ${dep_cc_default:=$cc}
2015
: ${ld_default:=$cc}
2016
set_default ar as dep_cc ld
2017

    
2018
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2019
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2020

    
2021
add_cflags $extra_cflags
2022
add_asflags $extra_cflags
2023

    
2024
if test -n "$sysroot"; then
2025
    case "$cc_type" in
2026
        gcc|llvm_gcc)
2027
            add_cppflags --sysroot="$sysroot"
2028
            add_ldflags --sysroot="$sysroot"
2029
        ;;
2030
        tms470)
2031
            add_cppflags -I"$sysinclude"
2032
            add_ldflags  --sysroot="$sysroot"
2033
        ;;
2034
        clang)
2035
            add_cppflags -isysroot "$sysroot"
2036
            add_ldflags -isysroot "$sysroot"
2037
        ;;
2038
    esac
2039
fi
2040

    
2041
if test "$cpu" = host; then
2042
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2043

    
2044
    case "$cc_type" in
2045
        gcc|llvm_gcc)
2046
            check_native(){
2047
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2048
                sed -n "/$1=/{
2049
                            s/.*$1=\\([^ ]*\\).*/\\1/
2050
                            p
2051
                            q
2052
                        }" $TMPE
2053
            }
2054
            cpu=$(check_native -march || check_native -mcpu)
2055
        ;;
2056
    esac
2057

    
2058
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2059
fi
2060

    
2061
# Deal with common $arch aliases
2062
case "$arch" in
2063
    arm*)
2064
        arch="arm"
2065
    ;;
2066
    mips|mipsel|IP*)
2067
        arch="mips"
2068
    ;;
2069
    mips64*)
2070
        arch="mips"
2071
        subarch="mips64"
2072
    ;;
2073
    parisc|hppa)
2074
        arch="parisc"
2075
    ;;
2076
    parisc64|hppa64)
2077
        arch="parisc"
2078
        subarch="parisc64"
2079
    ;;
2080
    "Power Macintosh"|ppc|powerpc)
2081
        arch="ppc"
2082
    ;;
2083
    ppc64|powerpc64)
2084
        arch="ppc"
2085
        subarch="ppc64"
2086
    ;;
2087
    s390|s390x)
2088
        arch="s390"
2089
    ;;
2090
    sh4|sh)
2091
        arch="sh4"
2092
    ;;
2093
    sun4u|sparc64)
2094
        arch="sparc"
2095
        subarch="sparc64"
2096
    ;;
2097
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2098
        arch="x86"
2099
    ;;
2100
esac
2101

    
2102
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2103
enable $arch
2104

    
2105
# Add processor-specific flags
2106
if test "$cpu" = generic; then
2107
    : do nothing
2108
elif enabled ppc; then
2109

    
2110
    case $(tolower $cpu) in
2111
        601|ppc601|powerpc601)
2112
            cpuflags="-mcpu=601"
2113
            disable altivec
2114
        ;;
2115
        603*|ppc603*|powerpc603*)
2116
            cpuflags="-mcpu=603"
2117
            disable altivec
2118
        ;;
2119
        604*|ppc604*|powerpc604*)
2120
            cpuflags="-mcpu=604"
2121
            disable altivec
2122
        ;;
2123
        g3|75*|ppc75*|powerpc75*)
2124
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2125
            disable altivec
2126
        ;;
2127
        g4|745*|ppc745*|powerpc745*)
2128
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2129
        ;;
2130
        74*|ppc74*|powerpc74*)
2131
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2132
        ;;
2133
        g5|970|ppc970|powerpc970|power4*)
2134
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2135
        ;;
2136
        cell)
2137
            cpuflags="-mcpu=cell"
2138
            enable ldbrx
2139
        ;;
2140
        e500v2)
2141
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2142
            disable altivec
2143
        ;;
2144
        e500)
2145
            cpuflags="-mcpu=8540 -mhard-float"
2146
            disable altivec
2147
        ;;
2148
    esac
2149

    
2150
elif enabled x86; then
2151

    
2152
    case $cpu in
2153
        i[345]86|pentium)
2154
            cpuflags="-march=$cpu"
2155
            disable mmx
2156
        ;;
2157
        # targets that do NOT support conditional mov (cmov)
2158
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2159
            cpuflags="-march=$cpu"
2160
            disable cmov
2161
        ;;
2162
        # targets that do support conditional mov (cmov)
2163
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2164
            cpuflags="-march=$cpu"
2165
            enable cmov
2166
            enable fast_cmov
2167
        ;;
2168
        # targets that do support conditional mov but on which it's slow
2169
        pentium4|pentium4m|prescott|nocona)
2170
            cpuflags="-march=$cpu"
2171
            enable cmov
2172
            disable fast_cmov
2173
        ;;
2174
    esac
2175

    
2176
elif enabled sparc; then
2177

    
2178
    case $cpu in
2179
        niagara)
2180
            cpuflags="-mcpu=$cpu"
2181
            disable vis
2182
        ;;
2183
        sparc64)
2184
            cpuflags="-mcpu=v9"
2185
        ;;
2186
    esac
2187

    
2188
elif enabled arm; then
2189

    
2190
    case $cpu in
2191
        armv*)
2192
            cpuflags="-march=$cpu"
2193
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2194
        ;;
2195
        *)
2196
            cpuflags="-mcpu=$cpu"
2197
            case $cpu in
2198
                cortex-a*)                               subarch=armv7a  ;;
2199
                cortex-r*)                               subarch=armv7r  ;;
2200
                cortex-m*)                               subarch=armv7m  ;;
2201
                arm11*)                                  subarch=armv6   ;;
2202
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2203
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2204
            esac
2205
        ;;
2206
    esac
2207

    
2208
elif enabled alpha; then
2209

    
2210
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2211

    
2212
elif enabled bfin; then
2213

    
2214
    cpuflags="-mcpu=$cpu"
2215

    
2216
elif enabled mips; then
2217

    
2218
    cpuflags="-march=$cpu"
2219

    
2220
elif enabled avr32; then
2221

    
2222
    case $cpu in
2223
        ap7[02]0[0-2])
2224
            subarch="avr32_ap"
2225
            cpuflags="-mpart=$cpu"
2226
        ;;
2227
        ap)
2228
            subarch="avr32_ap"
2229
            cpuflags="-march=$cpu"
2230
        ;;
2231
        uc3[ab]*)
2232
            subarch="avr32_uc"
2233
            cpuflags="-mcpu=$cpu"
2234
        ;;
2235
        uc)
2236
            subarch="avr32_uc"
2237
            cpuflags="-march=$cpu"
2238
        ;;
2239
    esac
2240

    
2241
fi
2242

    
2243
add_cflags $cpuflags
2244
add_asflags $cpuflags
2245

    
2246
# compiler sanity check
2247
check_exec <<EOF
2248
int main(void){ return 0; }
2249
EOF
2250
if test "$?" != 0; then
2251
    echo "$cc is unable to create an executable file."
2252
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2253
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2254
        echo "Only do this if you know what cross compiling means."
2255
    fi
2256
    die "C compiler test failed."
2257
fi
2258

    
2259
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2260
check_cflags -std=c99
2261
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2262
#include <stdlib.h>
2263
EOF
2264
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2265
#include <stdlib.h>
2266
EOF
2267

    
2268
check_host_cflags -std=c99
2269

    
2270
case "$arch" in
2271
    alpha|ia64|mips|parisc|sparc)
2272
        spic=$shared
2273
    ;;
2274
    x86)
2275
        subarch="x86_32"
2276
        check_cc <<EOF && subarch="x86_64"
2277
        int test[(int)sizeof(char*) - 7];
2278
EOF
2279
        if test "$subarch" = "x86_64"; then
2280
            spic=$shared
2281
        fi
2282
    ;;
2283
esac
2284

    
2285
enable $subarch
2286
enabled spic && enable pic
2287

    
2288
# OS specific
2289
case $target_os in
2290
    haiku)
2291
        prefix_default="/boot/common"
2292
        network_extralibs="-lnetwork"
2293
        ;;
2294
    sunos)
2295
        FFSERVERLDFLAGS=""
2296
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2297
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2298
        network_extralibs="-lsocket -lnsl"
2299
        add_cppflags -D__EXTENSIONS__
2300
        nm_opts='-P -g'
2301
        ;;
2302
    netbsd)
2303
        oss_indev_extralibs="-lossaudio"
2304
        oss_outdev_extralibs="-lossaudio"
2305
        add_cppflags -D_XOPEN_SOURCE=600
2306
        ;;
2307
    openbsd)
2308
        enable malloc_aligned
2309
        # On OpenBSD 4.5. the compiler does not use PIC unless
2310
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2311
        # however the generated executable will not do anything
2312
        # (simply quits with exit-code 1, no crash, no output).
2313
        # Thus explicitly enable PIC here.
2314
        enable pic
2315
        SHFLAGS='-shared'
2316
        oss_indev_extralibs="-lossaudio"
2317
        oss_outdev_extralibs="-lossaudio"
2318
        ;;
2319
    freebsd|dragonfly)
2320
        enable malloc_aligned
2321
        ;;
2322
    bsd/os)
2323
        add_extralibs -lpoll -lgnugetopt
2324
        strip="strip -d"
2325
        ;;
2326
    darwin)
2327
        enable malloc_aligned
2328
        gas="gas-preprocessor.pl $cc"
2329
        enabled ppc && add_asflags -force_cpusubtype_ALL
2330
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2331
        strip="${strip} -x"
2332
        add_ldflags -Wl,-dynamic,-search_paths_first
2333
        SLIBSUF=".dylib"
2334
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2335
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2336
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2337
        objformat="macho"
2338
        enabled x86_64 && objformat="macho64"
2339
        enabled_any pic shared ||
2340
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2341
        ;;
2342
    mingw32*)
2343
        if test $target_os = "mingw32ce"; then
2344
            disable network
2345
        else
2346
            target_os=mingw32
2347
        fi
2348
        LIBTARGET=i386
2349
        if enabled x86_64; then
2350
            enable malloc_aligned
2351
            LIBTARGET=x64
2352
        elif enabled arm; then
2353
            LIBTARGET=arm
2354
        fi
2355
        shlibdir_default="$bindir_default"
2356
        disable ffserver
2357
        SLIBPREF=""
2358
        SLIBSUF=".dll"
2359
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2360
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2361
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2362
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2363
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2364
            install -d "$(LIBDIR)"; \
2365
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2366
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2367
        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'
2368
        objformat="win32"
2369
        enable dos_paths
2370
        check_cflags -fno-common
2371
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2372
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2373
                die "ERROR: MinGW runtime version must be >= 3.15."
2374
        ;;
2375
    cygwin*)
2376
        target_os=cygwin
2377
        shlibdir_default="$bindir_default"
2378
        SLIBPREF="cyg"
2379
        SLIBSUF=".dll"
2380
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2381
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2382
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2383
        objformat="win32"
2384
        enable dos_paths
2385
        check_cflags -fno-common
2386
        ;;
2387
    *-dos|freedos|opendos)
2388
        disable ffplay ffserver
2389
        disable $INDEV_LIST $OUTDEV_LIST
2390
        network_extralibs="-lsocket"
2391
        objformat="coff"
2392
        enable dos_paths
2393
        ;;
2394
    linux)
2395
        enable dv1394
2396
        ;;
2397
    irix*)
2398
        target_os=irix
2399
        ranlib="echo ignoring ranlib"
2400
        ;;
2401
    os/2*)
2402
        strip="lxlite"
2403
        ln_s="cp -f"
2404
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2405
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2406
        FFSERVERLDFLAGS=""
2407
        LIBSUF="_s.a"
2408
        SLIBPREF=""
2409
        SLIBSUF=".dll"
2410
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2411
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2412
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2413
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2414
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2415
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2416
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2417
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2418
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2419
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2420
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2421
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2422
        enable dos_paths
2423
        ;;
2424
    gnu/kfreebsd)
2425
        ;;
2426
    gnu)
2427
        ;;
2428
    none)
2429
        ;;
2430
    *)
2431
        die "Unknown OS '$target_os'."
2432
        ;;
2433
esac
2434

    
2435
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2436

    
2437
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2438

    
2439
set_default $PATHS_LIST
2440

    
2441
# we need to build at least one lib type
2442
if ! enabled_any static shared; then
2443
    cat <<EOF
2444
At least one library type must be built.
2445
Specify --enable-static to build the static libraries or --enable-shared to
2446
build the shared libraries as well. To only build the shared libraries specify
2447
--disable-static in addition to --enable-shared.
2448
EOF
2449
    exit 1;
2450
fi
2451

    
2452
disabled static && LIBNAME=""
2453

    
2454
die_license_disabled() {
2455
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2456
}
2457

    
2458
die_license_disabled gpl libx264
2459
die_license_disabled gpl libxavs
2460
die_license_disabled gpl libxvid
2461
die_license_disabled gpl postproc
2462
die_license_disabled gpl x11grab
2463

    
2464
die_license_disabled nonfree libfaac
2465

    
2466
die_license_disabled version3 libopencore_amrnb
2467
die_license_disabled version3 libopencore_amrwb
2468

    
2469
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2470

    
2471
check_deps $ARCH_EXT_LIST
2472

    
2473
disabled optimizations || check_cflags -fomit-frame-pointer
2474

    
2475
enable_pic() {
2476
    enable pic
2477
    add_cppflags -DPIC
2478
    add_cflags   -fPIC
2479
    add_asflags  -fPIC
2480
}
2481

    
2482
enabled pic && enable_pic
2483

    
2484
check_cc <<EOF || die "Symbol mangling check failed."
2485
int ff_extern;
2486
EOF
2487
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2488
extern_prefix=${sym%%ff_extern*}
2489

    
2490
check_cc <<EOF && enable inline_asm
2491
void foo(void) { __asm__ volatile ("" ::); }
2492
EOF
2493

    
2494
_restrict=
2495
for restrict_keyword in restrict __restrict__ __restrict; do
2496
    check_cc <<EOF && _restrict=$restrict_keyword && break
2497
void foo(char * $restrict_keyword p);
2498
EOF
2499
done
2500

    
2501
check_cc <<EOF && enable attribute_packed
2502
struct { int x; } __attribute__((packed)) x;
2503
EOF
2504

    
2505
check_cc <<EOF && enable attribute_may_alias
2506
union { int x; } __attribute__((may_alias)) x;
2507
EOF
2508

    
2509
check_cc <<EOF || die "endian test failed"
2510
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2511
EOF
2512
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2513

    
2514
if enabled alpha; then
2515

    
2516
    check_cflags -mieee
2517

    
2518
elif enabled arm; then
2519

    
2520
    check_cflags -marm
2521
    nogas=die
2522

    
2523
    check_ld <<EOF && enable vfp_args
2524
__asm__ (".eabi_attribute 28, 1");
2525
int main(void) { return 0; }
2526
EOF
2527

    
2528
    # We have to check if pld is a nop and disable it.
2529
    check_asm pld '"pld [r0]"'
2530

    
2531
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2532
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2533
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2534
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2535
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2536
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2537

    
2538
    enabled_all armv6t2 shared !pic && enable_pic
2539

    
2540
elif enabled mips; then
2541

    
2542
    check_asm loongson '"dmult.g $1, $2, $3"'
2543
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2544

    
2545
elif enabled ppc; then
2546

    
2547
    enable local_aligned_8 local_aligned_16
2548

    
2549
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2550
    check_asm ibm_asm   '"add 0, 0, 0"'
2551
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2552
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2553

    
2554
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2555
    if enabled altivec; then
2556
        nogas=warn
2557
        check_cflags -maltivec -mabi=altivec &&
2558
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2559
        check_cflags -faltivec
2560

    
2561
        # check if our compiler supports Motorola AltiVec C API
2562
        check_cc <<EOF || disable altivec
2563
$inc_altivec_h
2564
int main(void) {
2565
    vector signed int v1, v2, v3;
2566
    v1 = vec_add(v2,v3);
2567
    return 0;
2568
}
2569
EOF
2570

    
2571
        # check if our compiler supports braces for vector declarations
2572
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2573
$inc_altivec_h
2574
int main (void) { (vector int) {1}; return 0; }
2575
EOF
2576
    fi
2577

    
2578
elif enabled sparc; then
2579

    
2580
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2581
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2582

    
2583
elif enabled x86; then
2584

    
2585
    enable local_aligned_8 local_aligned_16
2586

    
2587
    # check whether EBP is available on x86
2588
    # As 'i' is stored on the stack, this program will crash
2589
    # if the base pointer is used to access it because the
2590
    # base pointer is cleared in the inline assembly code.
2591
    check_exec_crash <<EOF && enable ebp_available
2592
    volatile int i=0;
2593
    __asm__ volatile (
2594
        "xorl %%ebp, %%ebp"
2595
    ::: "%ebp");
2596
    return i;
2597
EOF
2598

    
2599
    # check whether EBX is available on x86
2600
    check_asm ebx_available '""::"b"(0)' &&
2601
        check_asm ebx_available '"":::"%ebx"'
2602

    
2603
    # check whether xmm clobbers are supported
2604
    check_asm xmm_clobbers '"":::"%xmm0"'
2605

    
2606
    # check whether more than 10 operands are supported
2607
    check_cc <<EOF && enable ten_operands
2608
int main(void) {
2609
    int x=0;
2610
    __asm__ volatile(
2611
        ""
2612
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2613
    );
2614
    return 0;
2615
}
2616
EOF
2617

    
2618
    # check whether binutils is new enough to compile SSSE3/MMX2
2619
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2620
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2621

    
2622
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2623

    
2624
    if ! disabled_any asm mmx yasm; then
2625
        if check_cmd $yasmexe --version; then
2626
            enabled x86_64 && yasm_extra="-m amd64"
2627
            yasm_debug="-g dwarf2"
2628
        elif check_cmd nasm -v; then
2629
            yasmexe=nasm
2630
            yasm_debug="-g -F dwarf"
2631
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2632
        fi
2633

    
2634
        YASMFLAGS="-f $objformat $yasm_extra"
2635
        enabled pic               && append YASMFLAGS "-DPIC"
2636
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2637
        case "$objformat" in
2638
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2639
        esac
2640

    
2641
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2642
            die "yasm not found, use --disable-yasm for a crippled build"
2643
    fi
2644

    
2645
    case "$cpu" in
2646
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2647
            disable fast_clz
2648
        ;;
2649
    esac
2650

    
2651
fi
2652

    
2653
if enabled asm; then
2654
    as=${gas:=$as}
2655
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2656
        $nogas "GNU assembler not found, install gas-preprocessor"
2657
fi
2658

    
2659
if check_func dlopen; then
2660
    ldl=
2661
elif check_func dlopen -ldl; then
2662
    ldl=-ldl
2663
fi
2664

    
2665
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2666
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2667

    
2668
check_func  fcntl
2669
check_func  fork
2670
check_func  getaddrinfo $network_extralibs
2671
check_func  gethrtime
2672
check_func  getrusage
2673
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2674
check_func  inet_aton $network_extralibs
2675
check_func  isatty
2676
check_func  ${malloc_prefix}memalign            && enable memalign
2677
check_func  mkstemp
2678
check_func  mmap
2679
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2680
check_func  setrlimit
2681
check_func  strerror_r
2682
check_func  strtok_r
2683
check_func_headers io.h setmode
2684
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2685
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2686
check_func_headers windows.h GetProcessTimes
2687
check_func_headers windows.h VirtualAlloc
2688

    
2689
check_header conio.h
2690
check_header dlfcn.h
2691
check_header dxva2api.h
2692
check_header malloc.h
2693
check_header poll.h
2694
check_header sys/mman.h
2695
check_header sys/resource.h
2696
check_header sys/select.h
2697
check_header termios.h
2698
check_header vdpau/vdpau.h
2699
check_header vdpau/vdpau_x11.h
2700
check_header X11/extensions/XvMClib.h
2701

    
2702
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2703

    
2704
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2705
     enabled_any $need_memalign ; then
2706
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2707
fi
2708

    
2709
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2710
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2711

    
2712
# check for some common methods of building with pthread support
2713
# do this before the optional library checks as some of them require pthreads
2714
if ! disabled pthreads && ! enabled w32threads; then
2715
    enable pthreads
2716
    if check_func pthread_create; then
2717
        :
2718
    elif check_func pthread_create -pthread; then
2719
        add_cflags -pthread
2720
        add_extralibs -pthread
2721
    elif check_func pthread_create -pthreads; then
2722
        add_cflags -pthreads
2723
        add_extralibs -pthreads
2724
    elif check_func pthread_create -lpthreadGC2; then
2725
        add_extralibs -lpthreadGC2
2726
    elif ! check_lib pthread.h pthread_create -lpthread; then
2727
        disable pthreads
2728
    fi
2729
fi
2730

    
2731
for thread in $THREADS_LIST; do
2732
    if enabled $thread; then
2733
        test -n "$thread_type" &&
2734
            die "ERROR: Only one thread type must be selected." ||
2735
            thread_type="$thread"
2736
    fi
2737
done
2738

    
2739
check_lib math.h sin -lm
2740
disabled vaapi || check_lib va/va.h vaInitialize -lva
2741

    
2742
check_mathfunc exp2
2743
check_mathfunc exp2f
2744
check_mathfunc llrint
2745
check_mathfunc llrintf
2746
check_mathfunc log2
2747
check_mathfunc log2f
2748
check_mathfunc lrint
2749
check_mathfunc lrintf
2750
check_mathfunc round
2751
check_mathfunc roundf
2752
check_mathfunc truncf
2753

    
2754
# these are off by default, so fail if requested and not available
2755
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2756
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2757
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2758
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2759
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2760
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2761
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2762
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2763
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2764
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2765
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2766
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2767
                        die "ERROR: libopencv not found"; }
2768
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2769
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2770
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2771
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2772
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2773
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2774
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2775
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2776
enabled libvpx     && {
2777
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2778
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2779
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2780
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2781
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2782
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2783
                        die "ERROR: libx264 version must be >= 0.99."; }
2784
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2785
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2786
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2787

    
2788
# libdc1394 check
2789
if enabled libdc1394; then
2790
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2791
        enable libdc1394_2; } ||
2792
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2793
        enable libdc1394_1; } ||
2794
    die "ERROR: No version of libdc1394 found "
2795
fi
2796

    
2797
SDL_CONFIG="${cross_prefix}sdl-config"
2798
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2799
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2800
    sdl_libs=$("${SDL_CONFIG}" --libs)
2801
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2802
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2803
    enable sdl &&
2804
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2805
fi
2806

    
2807
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2808

    
2809
if enabled network; then
2810
    check_type "sys/types.h sys/socket.h" socklen_t
2811
    check_type netdb.h "struct addrinfo"
2812
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2813
    check_type netinet/in.h "struct sockaddr_in6"
2814
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2815
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2816
    # Prefer arpa/inet.h over winsock2
2817
    if check_header arpa/inet.h ; then
2818
        check_func closesocket
2819
    elif check_header winsock2.h ; then
2820
        check_func_headers winsock2.h closesocket -lws2 && \
2821
            network_extralibs="-lws2" || \
2822
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2823
            network_extralibs="-lws2_32"; }
2824
        check_type ws2tcpip.h socklen_t
2825
        check_type ws2tcpip.h "struct addrinfo"
2826
        check_type ws2tcpip.h "struct ipv6_mreq"
2827
        check_type ws2tcpip.h "struct sockaddr_in6"
2828
        check_type ws2tcpip.h "struct sockaddr_storage"
2829
        check_struct winsock2.h "struct sockaddr" sa_len
2830
    else
2831
        disable network
2832
    fi
2833
fi
2834

    
2835
check_header linux/videodev.h
2836
check_header linux/videodev2.h
2837
check_header sys/videoio.h
2838

    
2839
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2840
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2841
# w32api 3.12 had it defined wrong
2842
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2843

    
2844
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2845
{ check_header dev/bktr/ioctl_meteor.h &&
2846
  check_header dev/bktr/ioctl_bt848.h; } ||
2847
{ check_header machine/ioctl_meteor.h &&
2848
  check_header machine/ioctl_bt848.h; } ||
2849
{ check_header dev/video/meteor/ioctl_meteor.h &&
2850
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2851
check_header dev/ic/bt8xx.h
2852

    
2853
check_header sys/soundcard.h
2854
check_header soundcard.h
2855

    
2856
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2857

    
2858
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2859

    
2860
enabled x11grab                         &&
2861
check_header X11/Xlib.h                 &&
2862
check_header X11/extensions/XShm.h      &&
2863
check_header X11/extensions/Xfixes.h    &&
2864
check_func XOpenDisplay -lX11           &&
2865
check_func XShmCreateImage -lX11 -lXext &&
2866
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2867

    
2868
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2869
check_cpp_condition \
2870
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2871
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2872
      disable vdpau; }
2873
fi
2874

    
2875
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2876

    
2877
# add some useful compiler flags if supported
2878
check_cflags -Wdeclaration-after-statement
2879
check_cflags -Wall
2880
check_cflags -Wno-parentheses
2881
check_cflags -Wno-switch
2882
check_cflags -Wdisabled-optimization
2883
check_cflags -Wpointer-arith
2884
check_cflags -Wredundant-decls
2885
check_cflags -Wno-pointer-sign
2886
check_cflags -Wcast-qual
2887
check_cflags -Wwrite-strings
2888
check_cflags -Wtype-limits
2889
check_cflags -Wundef
2890
check_cflags -Wmissing-prototypes
2891
enabled extra_warnings && check_cflags -Winline
2892

    
2893
# add some linker flags
2894
check_ldflags -Wl,--warn-common
2895
check_ldflags -Wl,--as-needed
2896
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'
2897
check_ldflags -Wl,-Bsymbolic
2898

    
2899
echo "X{};" > $TMPV
2900
if test_ldflags -Wl,--version-script,$TMPV; then
2901
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2902
    check_cc <<EOF && enable symver_asm_label
2903
void ff_foo(void) __asm__ ("av_foo@VERSION");
2904
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2905
EOF
2906
    check_cc <<EOF && enable symver_gnu_asm
2907
__asm__(".symver ff_foo,av_foo@VERSION");
2908
void ff_foo(void) {}
2909
EOF
2910
fi
2911

    
2912
if enabled small; then
2913
    add_cflags $size_cflags
2914
    optimizations="small"
2915
elif enabled optimizations; then
2916
    add_cflags $speed_cflags
2917
else
2918
    add_cflags $noopt_cflags
2919
fi
2920
check_cflags -fno-math-errno
2921
check_cflags -fno-signed-zeros
2922

    
2923
if enabled icc; then
2924
    # Just warnings, no remarks
2925
    check_cflags -w1
2926
    # -wd: Disable following warnings
2927
    # 144, 167, 556: -Wno-pointer-sign
2928
    # 10006: ignoring unknown option -fno-signed-zeros
2929
    # 10148: ignoring unknown option -Wno-parentheses
2930
    # 10156: ignoring option '-W'; no argument required
2931
    check_cflags -wd144,167,556,10006,10148,10156
2932
    # 11030: Warning unknown option --as-needed
2933
    # 10156: ignoring option '-export'; no argument required
2934
    check_ldflags -wd10156,11030
2935
    # Allow to compile with optimizations
2936
    check_ldflags -march=$cpu
2937
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2938
    enable ebp_available
2939
    if enabled x86_32; then
2940
        test ${icc_version%%.*} -ge 11 && \
2941
            check_cflags -falign-stack=maintain-16-byte || \
2942
            disable aligned_stack
2943
    fi
2944
elif enabled ccc; then
2945
    # disable some annoying warnings
2946
    add_cflags -msg_disable cvtu32to64
2947
    add_cflags -msg_disable embedcomment
2948
    add_cflags -msg_disable needconstext
2949
    add_cflags -msg_disable nomainieee
2950
    add_cflags -msg_disable ptrmismatch1
2951
    add_cflags -msg_disable unreachcode
2952
elif enabled gcc; then
2953
    check_cflags -fno-tree-vectorize
2954
    check_cflags -Werror=implicit-function-declaration
2955
    check_cflags -Werror=missing-prototypes
2956
elif enabled llvm_gcc; then
2957
    check_cflags -mllvm -stack-alignment=16
2958
elif enabled clang; then
2959
    check_cflags -mllvm -stack-alignment=16
2960
    check_cflags -Qunused-arguments
2961
elif enabled armcc; then
2962
    # 2523: use of inline assembler is deprecated
2963
    add_cflags -W${armcc_opt},--diag_suppress=2523
2964
    add_cflags -W${armcc_opt},--diag_suppress=1207
2965
elif enabled tms470; then
2966
    add_cflags -pds=824 -pds=837
2967
fi
2968

    
2969
enabled_any $THREADS_LIST      && enable threads
2970

    
2971
check_deps $CONFIG_LIST       \
2972
           $CONFIG_EXTRA      \
2973
           $HAVE_LIST         \
2974
           $DECODER_LIST      \
2975
           $ENCODER_LIST      \
2976
           $HWACCEL_LIST      \
2977
           $PARSER_LIST       \
2978
           $BSF_LIST          \
2979
           $DEMUXER_LIST      \
2980
           $MUXER_LIST        \
2981
           $FILTER_LIST       \
2982
           $INDEV_LIST        \
2983
           $OUTDEV_LIST       \
2984
           $PROTOCOL_LIST     \
2985
           $ACODEC_TESTS      \
2986
           $VCODEC_TESTS      \
2987
           $LAVF_TESTS        \
2988
           $LAVFI_TESTS       \
2989
           $SEEK_TESTS        \
2990

    
2991
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2992

    
2993
echo "install prefix            $prefix"
2994
echo "source path               $source_path"
2995
echo "C compiler                $cc"
2996
echo "ARCH                      $arch ($cpu)"
2997
if test "$build_suffix" != ""; then
2998
    echo "build suffix              $build_suffix"
2999
fi
3000
if test "$extra_version" != ""; then
3001
    echo "version string suffix     $extra_version"
3002
fi
3003
echo "big-endian                ${bigendian-no}"
3004
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3005
if enabled x86; then
3006
    echo "yasm                      ${yasm-no}"
3007
    echo "MMX enabled               ${mmx-no}"
3008
    echo "MMX2 enabled              ${mmx2-no}"
3009
    echo "3DNow! enabled            ${amd3dnow-no}"
3010
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3011
    echo "SSE enabled               ${sse-no}"
3012
    echo "SSSE3 enabled             ${ssse3-no}"
3013
    echo "CMOV enabled              ${cmov-no}"
3014
    echo "CMOV is fast              ${fast_cmov-no}"
3015
    echo "EBX available             ${ebx_available-no}"
3016
    echo "EBP available             ${ebp_available-no}"
3017
    echo "10 operands supported     ${ten_operands-no}"
3018
fi
3019
if enabled arm; then
3020
    echo "ARMv5TE enabled           ${armv5te-no}"
3021
    echo "ARMv6 enabled             ${armv6-no}"
3022
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3023
    echo "ARM VFP enabled           ${armvfp-no}"
3024
    echo "IWMMXT enabled            ${iwmmxt-no}"
3025
    echo "NEON enabled              ${neon-no}"
3026
fi
3027
if enabled mips; then
3028
    echo "MMI enabled               ${mmi-no}"
3029
fi
3030
if enabled ppc; then
3031
    echo "AltiVec enabled           ${altivec-no}"
3032
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3033
    echo "dcbzl available           ${dcbzl-no}"
3034
fi
3035
if enabled sparc; then
3036
    echo "VIS enabled               ${vis-no}"
3037
fi
3038
echo "debug symbols             ${debug-no}"
3039
echo "strip symbols             ${stripping-no}"
3040
echo "optimizations             ${optimizations-no}"
3041
echo "static                    ${static-no}"
3042
echo "shared                    ${shared-no}"
3043
echo "postprocessing support    ${postproc-no}"
3044
echo "new filter support        ${avfilter-no}"
3045
echo "network support           ${network-no}"
3046
echo "threading support         ${thread_type-no}"
3047
echo "SDL support               ${sdl-no}"
3048
echo "Sun medialib support      ${mlib-no}"
3049
echo "AVISynth enabled          ${avisynth-no}"
3050
echo "frei0r enabled            ${frei0r-no}"
3051
echo "libdc1394 support         ${libdc1394-no}"
3052
echo "libdirac enabled          ${libdirac-no}"
3053
echo "libfaac enabled           ${libfaac-no}"
3054
echo "libgsm enabled            ${libgsm-no}"
3055
echo "libmp3lame enabled        ${libmp3lame-no}"
3056
echo "libnut enabled            ${libnut-no}"
3057
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3058
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3059
echo "libopencv support         ${libopencv-no}"
3060
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3061
echo "librtmp enabled           ${librtmp-no}"
3062
echo "libschroedinger enabled   ${libschroedinger-no}"
3063
echo "libspeex enabled          ${libspeex-no}"
3064
echo "libtheora enabled         ${libtheora-no}"
3065
echo "libvorbis enabled         ${libvorbis-no}"
3066
echo "libvpx enabled            ${libvpx-no}"
3067
echo "libx264 enabled           ${libx264-no}"
3068
echo "libxavs enabled           ${libxavs-no}"
3069
echo "libxvid enabled           ${libxvid-no}"
3070
echo "zlib enabled              ${zlib-no}"
3071
echo "bzlib enabled             ${bzlib-no}"
3072
echo
3073

    
3074
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3075
    echo "Enabled ${type}s:"
3076
    eval list=\$$(toupper $type)_LIST
3077
    print_enabled '_*' $list | sort | pr -3 -t
3078
    echo
3079
done
3080

    
3081
license="LGPL version 2.1 or later"
3082
if enabled nonfree; then
3083
    license="nonfree and unredistributable"
3084
elif enabled gplv3; then
3085
    license="GPL version 3 or later"
3086
elif enabled lgplv3; then
3087
    license="LGPL version 3 or later"
3088
elif enabled gpl; then
3089
    license="GPL version 2 or later"
3090
fi
3091

    
3092
echo "License: $license"
3093

    
3094
echo "Creating config.mak and config.h..."
3095

    
3096
# build tree in object directory if source path is different from current one
3097
if enabled source_path_used; then
3098
    DIRS="
3099
        doc
3100
        libavcodec
3101
        libavcodec/$arch
3102
        libavcore
3103
        libavdevice
3104
        libavfilter
3105
        libavfilter/$arch
3106
        libavformat
3107
        libavutil
3108
        libavutil/$arch
3109
        libpostproc
3110
        libswscale
3111
        libswscale/$arch
3112
        tests
3113
        tools
3114
    "
3115
    FILES="
3116
        Makefile
3117
        common.mak
3118
        subdir.mak
3119
        doc/texi2pod.pl
3120
        libavcodec/Makefile
3121
        libavcodec/${arch}/Makefile
3122
        libavcore/Makefile
3123
        libavdevice/Makefile
3124
        libavfilter/Makefile
3125
        libavfilter/${arch}/Makefile
3126
        libavformat/Makefile
3127
        libavutil/Makefile
3128
        libpostproc/Makefile
3129
        libswscale/Makefile
3130
    "
3131
    map 'mkdir -p $v' $DIRS;
3132
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3133
fi
3134

    
3135
enabled stripping || strip="echo skipping strip"
3136

    
3137
config_files="$TMPH config.mak"
3138

    
3139
cat > config.mak <<EOF
3140
# Automatically generated by configure - do not modify!
3141
ifndef FFMPEG_CONFIG_MAK
3142
FFMPEG_CONFIG_MAK=1
3143
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3144
prefix=$prefix
3145
LIBDIR=\$(DESTDIR)$libdir
3146
SHLIBDIR=\$(DESTDIR)$shlibdir
3147
INCDIR=\$(DESTDIR)$incdir
3148
BINDIR=\$(DESTDIR)$bindir
3149
DATADIR=\$(DESTDIR)$datadir
3150
MANDIR=\$(DESTDIR)$mandir
3151
SRC_PATH="$source_path"
3152
SRC_PATH_BARE=$source_path
3153
BUILD_ROOT="$PWD"
3154
CC_IDENT=$cc_ident
3155
ARCH=$arch
3156
CC=$cc
3157
AS=$as
3158
LD=$ld
3159
DEPCC=$dep_cc
3160
YASM=$yasmexe
3161
YASMDEP=$yasmexe
3162
AR=$ar
3163
RANLIB=$ranlib
3164
CP=cp -p
3165
LN_S=$ln_s
3166
STRIP=$strip
3167
CPPFLAGS=$CPPFLAGS
3168
CFLAGS=$CFLAGS
3169
ASFLAGS=$ASFLAGS
3170
CC_O=$CC_O
3171
LDFLAGS=$LDFLAGS
3172
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3173
SHFLAGS=$SHFLAGS
3174
YASMFLAGS=$YASMFLAGS
3175
BUILDSUF=$build_suffix
3176
FULLNAME=$FULLNAME
3177
LIBPREF=$LIBPREF
3178
LIBSUF=$LIBSUF
3179
LIBNAME=$LIBNAME
3180
SLIBPREF=$SLIBPREF
3181
SLIBSUF=$SLIBSUF
3182
EXESUF=$EXESUF
3183
EXTRA_VERSION=$extra_version
3184
DEPFLAGS=$DEPFLAGS
3185
CCDEP=$CCDEP
3186
ASDEP=$ASDEP
3187
CC_DEPFLAGS=$CC_DEPFLAGS
3188
AS_DEPFLAGS=$AS_DEPFLAGS
3189
HOSTCC=$host_cc
3190
HOSTCFLAGS=$host_cflags
3191
HOSTEXESUF=$HOSTEXESUF
3192
HOSTLDFLAGS=$host_ldflags
3193
HOSTLIBS=$host_libs
3194
TARGET_EXEC=$target_exec
3195
TARGET_PATH=$target_path
3196
SDL_LIBS=$sdl_libs
3197
SDL_CFLAGS=$sdl_cflags
3198
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3199
EXTRALIBS=$extralibs
3200
INSTALL=install
3201
LIBTARGET=${LIBTARGET}
3202
SLIBNAME=${SLIBNAME}
3203
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3204
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3205
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3206
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3207
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3208
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3209
SAMPLES=$samples
3210
EOF
3211

    
3212
get_version(){
3213
    name=$1
3214
    file=$source_path/$2
3215
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3216
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3217
    lcname=$(tolower $name)
3218
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3219
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3220
}
3221

    
3222
get_version LIBSWSCALE  libswscale/swscale.h
3223
get_version LIBPOSTPROC libpostproc/postprocess.h
3224
get_version LIBAVCODEC  libavcodec/avcodec.h
3225
get_version LIBAVCORE   libavcore/avcore.h
3226
get_version LIBAVDEVICE libavdevice/avdevice.h
3227
get_version LIBAVFORMAT libavformat/avformat.h
3228
get_version LIBAVUTIL   libavutil/avutil.h
3229
get_version LIBAVFILTER libavfilter/avfilter.h
3230

    
3231
cat > $TMPH <<EOF
3232
/* Automatically generated by configure - do not modify! */
3233
#ifndef FFMPEG_CONFIG_H
3234
#define FFMPEG_CONFIG_H
3235
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3236
#define FFMPEG_LICENSE "$(c_escape $license)"
3237
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3238
#define CC_TYPE "$cc_type"
3239
#define CC_VERSION $cc_version
3240
#define restrict $_restrict
3241
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3242
#define EXTERN_PREFIX "${extern_prefix}"
3243
#define EXTERN_ASM ${extern_prefix}
3244
#define SLIBSUF "$SLIBSUF"
3245
EOF
3246

    
3247
test -n "$malloc_prefix" &&
3248
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3249

    
3250
if enabled small || disabled optimizations; then
3251
    echo "#undef  av_always_inline"  >> $TMPH
3252
    if enabled small; then
3253
        echo "#define av_always_inline inline"  >> $TMPH
3254
    else
3255
        echo "#define av_always_inline av_unused"  >> $TMPH
3256
    fi
3257
fi
3258

    
3259
if enabled yasm; then
3260
    append config_files $TMPASM
3261
    printf '' >$TMPASM
3262
fi
3263

    
3264
print_config ARCH_   "$config_files" $ARCH_LIST
3265
print_config HAVE_   "$config_files" $HAVE_LIST
3266
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3267
                                     $CONFIG_EXTRA      \
3268
                                     $DECODER_LIST      \
3269
                                     $ENCODER_LIST      \
3270
                                     $HWACCEL_LIST      \
3271
                                     $PARSER_LIST       \
3272
                                     $BSF_LIST          \
3273
                                     $DEMUXER_LIST      \
3274
                                     $MUXER_LIST        \
3275
                                     $FILTER_LIST       \
3276
                                     $PROTOCOL_LIST     \
3277
                                     $INDEV_LIST        \
3278
                                     $OUTDEV_LIST       \
3279

    
3280
cat >>config.mak <<EOF
3281
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3282
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3283
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3284
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3285
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3286
EOF
3287

    
3288
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3289
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3290

    
3291
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3292
cp_if_changed $TMPH config.h
3293
touch .config
3294

    
3295
enabled yasm && cp_if_changed $TMPASM config.asm
3296

    
3297
cat > $TMPH <<EOF
3298
/* Generated by ffconf */
3299
#ifndef AVUTIL_AVCONFIG_H
3300
#define AVUTIL_AVCONFIG_H
3301
EOF
3302

    
3303
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3304

    
3305
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3306

    
3307
cp_if_changed $TMPH libavutil/avconfig.h
3308

    
3309
test -n "$WARNINGS" && printf "\n$WARNINGS"
3310

    
3311
# build pkg-config files
3312

    
3313
pkgconfig_generate(){
3314
name=$1
3315
shortname=${name#lib}${build_suffix}
3316
comment=$2
3317
version=$3
3318
libs=$4
3319
requires=$5
3320
enabled ${name#lib} || return 0
3321
cat <<EOF > $name/$name.pc
3322
prefix=$prefix
3323
exec_prefix=\${prefix}
3324
libdir=$libdir
3325
includedir=$incdir
3326

    
3327
Name: $name
3328
Description: $comment
3329
Version: $version
3330
Requires: $(enabled shared || echo $requires)
3331
Requires.private: $(enabled shared && echo $requires)
3332
Conflicts:
3333
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3334
Libs.private: $(enabled shared && echo $libs)
3335
Cflags: -I\${includedir}
3336
EOF
3337
cat <<EOF > $name/$name-uninstalled.pc
3338
prefix=
3339
exec_prefix=
3340
libdir=\${pcfiledir}
3341
includedir=${source_path}
3342

    
3343
Name: $name
3344
Description: $comment
3345
Version: $version
3346
Requires: $requires
3347
Conflicts:
3348
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3349
Cflags: -I\${includedir}
3350
EOF
3351
}
3352

    
3353
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3354
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3355
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3356
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3357
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3358
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3359
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3360
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"