Statistics
| Branch: | Revision:

ffmpeg / configure @ 4f837398

History | View | Annotate | Download (87.6 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.err]
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-ffserver       disable ffserver build
86
  --disable-avdevice       disable libavdevice build
87
  --disable-avcodec        disable libavcodec build
88
  --disable-avformat       disable libavformat build
89
  --disable-swscale        disable libswscale build
90
  --enable-postproc        enable GPLed postprocessing support [no]
91
  --enable-avfilter        video filter support [no]
92
  --enable-avfilter-lavf   video filters dependent on avformat [no]
93
  --enable-beosthreads     use BeOS threads [no]
94
  --enable-os2threads      use OS/2 threads [no]
95
  --enable-pthreads        use pthreads [no]
96
  --enable-w32threads      use Win32 threads [no]
97
  --enable-x11grab         enable X11 grabbing [no]
98
  --disable-network        disable network support [no]
99
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
100
  --enable-gray            enable full grayscale support (slower color)
101
  --disable-swscale-alpha  disable alpha channel support in swscale
102
  --disable-fastdiv        disable table-based division
103
  --enable-small           optimize for size instead of speed
104
  --disable-aandct         disable AAN DCT code
105
  --disable-dct            disable DCT code
106
  --disable-fft            disable FFT code
107
  --disable-golomb         disable Golomb 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
  --enable-beos-netserver  enable BeOS netserver
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-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
168
                           and libraw1394 [no]
169
  --enable-libdirac        enable Dirac support via libdirac [no]
170
  --enable-libfaac         enable FAAC support via libfaac [no]
171
  --enable-libfaad         enable FAAD support via libfaad [no]
172
  --enable-libfaadbin      open libfaad.so.0 at runtime [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-libschroedinger enable Dirac support via libschroedinger [no]
179
  --enable-libspeex        enable Speex decoding via libspeex [no]
180
  --enable-libtheora       enable Theora encoding via libtheora [no]
181
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
182
                           native implementation exists [no]
183
  --enable-libx264         enable H.264 encoding via x264 [no]
184
  --enable-libxvid         enable Xvid encoding via xvidcore,
185
                           native MPEG-4/Xvid encoder exists [no]
186
  --enable-mlib            enable Sun medialib [no]
187
  --enable-zlib            enable zlib [autodetect]
188

    
189
Advanced options (experts only):
190
  --source-path=PATH       path to source code [$source_path]
191
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
192
  --enable-cross-compile   assume a cross-compiler is used
193
  --sysroot=PATH           root of cross-build tree
194
  --sysinclude=PATH        location of cross-build system headers
195
  --target-os=OS           compiler targets OS [$target_os]
196
  --target-exec=CMD        command to run executables on target
197
  --target-path=DIR        path to view of build directory on target
198
  --nm=NM                  use nm tool
199
  --as=AS                  use assembler AS [$as_default]
200
  --cc=CC                  use C compiler CC [$cc_default]
201
  --ld=LD                  use linker LD
202
  --host-cc=HOSTCC         use host C compiler HOSTCC
203
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
204
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
205
  --host-libs=HLIBS        use libs HLIBS when linking for host
206
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
207
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
209
  --extra-version=STRING   version string suffix []
210
  --build-suffix=SUFFIX    library name suffix []
211
  --arch=ARCH              select architecture [$arch]
212
  --cpu=CPU                select the minimum required CPU (affects
213
                           instruction selection, may crash on older CPUs)
214
  --enable-powerpc-perf    enable performance report on PPC
215
                           (requires enabling PMC)
216
  --disable-asm            disable all assembler optimizations
217
  --disable-altivec        disable AltiVec optimizations
218
  --disable-amd3dnow       disable 3DNow! optimizations
219
  --disable-amd3dnowext    disable 3DNow! extended optimizations
220
  --disable-mmx            disable MMX optimizations
221
  --disable-mmx2           disable MMX2 optimizations
222
  --disable-sse            disable SSE optimizations
223
  --disable-ssse3          disable SSSE3 optimizations
224
  --disable-armv5te        disable armv5te optimizations
225
  --disable-armv6          disable armv6 optimizations
226
  --disable-armv6t2        disable armv6t2 optimizations
227
  --disable-armvfp         disable ARM VFP optimizations
228
  --disable-iwmmxt         disable iwmmxt optimizations
229
  --disable-mmi            disable MMI optimizations
230
  --disable-neon           disable neon optimizations
231
  --disable-vis            disable VIS optimizations
232
  --disable-yasm           disable use of yasm assembler
233
  --enable-pic             build position-independent code
234
  --malloc-prefix=PFX      prefix malloc and related names with PFX
235
  --enable-sram            allow use of on-chip SRAM
236

    
237
Developer options (useful when working on FFmpeg itself):
238
  --disable-debug          disable debugging symbols
239
  --enable-debug=LEVEL     set the debug level [$debuglevel]
240
  --enable-gprof           enable profiling with gprof [$gprof]
241
  --disable-optimizations  disable compiler optimizations
242
  --enable-extra-warnings  enable more compiler warnings
243
  --disable-stripping      disable stripping of executables and shared libraries
244

    
245
NOTE: Object files are built at the place where configure is launched.
246
EOF
247
  exit 0
248
}
249

    
250
log(){
251
    echo "$@" >> $logfile
252
}
253

    
254
log_file(){
255
    log BEGIN $1
256
    pr -n -t $1 >> $logfile
257
    log END $1
258
}
259

    
260
echolog(){
261
    log "$@"
262
    echo "$@"
263
}
264

    
265
die(){
266
    echolog "$@"
267
    cat <<EOF
268

    
269
If you think configure made a mistake, make sure you are using the latest
270
version from SVN.  If the latest version fails, report the problem to the
271
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
272
EOF
273
    if disabled logging; then
274
        cat <<EOF
275
Rerun configure with logging enabled (do not use --disable-logging), and
276
include the log this produces with your report.
277
EOF
278
    else
279
cat <<EOF
280
Include the log file "$logfile" produced by configure as this will help
281
solving the problem.
282
EOF
283
    fi
284
    exit 1
285
}
286

    
287
# Avoid locale weirdness, besides we really just want to translate ASCII.
288
toupper(){
289
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
290
}
291

    
292
tolower(){
293
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
294
}
295

    
296
c_escape(){
297
    echo "$*" | sed 's/["\\]/\\\0/g'
298
}
299

    
300
sh_quote(){
301
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
302
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
303
    echo "$v"
304
}
305

    
306
filter(){
307
    pat=$1
308
    shift
309
    for v; do
310
        eval "case $v in $pat) echo $v ;; esac"
311
    done
312
}
313

    
314
set_all(){
315
    value=$1
316
    shift
317
    for var in $*; do
318
        eval $var=$value
319
    done
320
}
321

    
322
set_weak(){
323
    value=$1
324
    shift
325
    for var; do
326
        eval : \${$var:=$value}
327
    done
328
}
329

    
330
pushvar(){
331
    for var in $*; do
332
        eval level=\${${var}_level:=0}
333
        eval ${var}_${level}="\$$var"
334
        eval ${var}_level=$(($level+1))
335
    done
336
}
337

    
338
popvar(){
339
    for var in $*; do
340
        eval level=\${${var}_level:-0}
341
        test $level = 0 && continue
342
        eval level=$(($level-1))
343
        eval $var="\${${var}_${level}}"
344
        eval ${var}_level=$level
345
        eval unset ${var}_${level}
346
    done
347
}
348

    
349
enable(){
350
    set_all yes $*
351
}
352

    
353
disable(){
354
    set_all no $*
355
}
356

    
357
enable_weak(){
358
    set_weak yes $*
359
}
360

    
361
disable_weak(){
362
    set_weak no $*
363
}
364

    
365
enable_safe(){
366
    for var; do
367
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
368
    done
369
}
370

    
371
disable_safe(){
372
    for var; do
373
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
374
    done
375
}
376

    
377
do_enable_deep(){
378
    for var; do
379
        enabled $var && continue
380
        eval sel="\$${var}_select"
381
        eval sgs="\$${var}_suggest"
382
        pushvar var sgs
383
        enable_deep $sel
384
        popvar sgs
385
        enable_deep_weak $sgs
386
        popvar var
387
    done
388
}
389

    
390
enable_deep(){
391
    do_enable_deep $*
392
    enable $*
393
}
394

    
395
enable_deep_weak(){
396
    do_enable_deep $*
397
    enable_weak $*
398
}
399

    
400
enabled(){
401
    test "${1#!}" = "$1" && op== || op=!=
402
    eval test "x\$${1#!}" $op "xyes"
403
}
404

    
405
disabled(){
406
    test "${1#!}" = "$1" && op== || op=!=
407
    eval test "x\$${1#!}" $op "xno"
408
}
409

    
410
enabled_all(){
411
    for opt; do
412
        enabled $opt || return 1
413
    done
414
}
415

    
416
disabled_all(){
417
    for opt; do
418
        disabled $opt || return 1
419
    done
420
}
421

    
422
enabled_any(){
423
    for opt; do
424
        enabled $opt && return 0
425
    done
426
}
427

    
428
disabled_any(){
429
    for opt; do
430
        disabled $opt && return 0
431
    done
432
    return 1
433
}
434

    
435
set_default(){
436
    for opt; do
437
        eval : \${$opt:=\$${opt}_default}
438
    done
439
}
440

    
441
is_in(){
442
    value=$1
443
    shift
444
    for var in $*; do
445
        [ $var = $value ] && return 0
446
    done
447
    return 1
448
}
449

    
450
check_deps(){
451
    for cfg; do
452
        cfg="${cfg#!}"
453
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
454
        disabled ${cfg}_checking && continue
455
        enable ${cfg}_checking
456

    
457
        eval dep_all="\$${cfg}_deps"
458
        eval dep_any="\$${cfg}_deps_any"
459
        eval dep_sel="\$${cfg}_select"
460
        eval dep_sgs="\$${cfg}_suggest"
461
        eval dep_ifa="\$${cfg}_if"
462
        eval dep_ifn="\$${cfg}_if_any"
463

    
464
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
466
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
467

    
468
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
469
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
470
        enabled_all  $dep_all || disable $cfg
471
        enabled_any  $dep_any || disable $cfg
472
        disabled_any $dep_sel && disable $cfg
473

    
474
        if enabled $cfg; then
475
            eval dep_extralibs="\$${cfg}_extralibs"
476
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
477
            enable_deep $dep_sel
478
            enable_deep_weak $dep_sgs
479
        fi
480

    
481
        disable ${cfg}_checking
482
    done
483
}
484

    
485
print_config(){
486
    pfx=$1
487
    header=$2
488
    makefile=$3
489
    shift 3
490
    for cfg; do
491
        ucname="$(toupper $cfg)"
492
        if enabled $cfg; then
493
            echo "#define ${pfx}${ucname} 1" >> $header
494
            echo "${pfx}${ucname}=yes" >> $makefile
495
        else
496
            echo "#define ${pfx}${ucname} 0" >> $header
497
            echo "!${pfx}${ucname}=yes" >> $makefile
498
        fi
499
    done
500
}
501

    
502
flags_saved(){
503
    (: ${SAVE_CFLAGS?}) 2> /dev/null
504
}
505

    
506
save_flags(){
507
    flags_saved && return
508
    SAVE_CFLAGS="$CFLAGS"
509
    SAVE_LDFLAGS="$LDFLAGS"
510
    SAVE_extralibs="$extralibs"
511
}
512

    
513
restore_flags(){
514
    flags_saved || return
515
    CFLAGS="$SAVE_CFLAGS"
516
    LDFLAGS="$SAVE_LDFLAGS"
517
    extralibs="$SAVE_extralibs"
518
    unset SAVE_CFLAGS
519
    unset SAVE_LDFLAGS
520
    unset SAVE_extralibs
521
}
522

    
523
temp_cflags(){
524
    save_flags
525
    CFLAGS="$CFLAGS $*"
526
}
527

    
528
temp_ldflags(){
529
    save_flags
530
    LDFLAGS="$LDFLAGS $*"
531
}
532

    
533
temp_extralibs(){
534
    save_flags
535
    extralibs="$extralibs $*"
536
}
537

    
538
append(){
539
    var=$1
540
    shift
541
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
542
    eval "$var=\"\$$var $*\""
543
}
544

    
545
add_cppflags(){
546
    append CPPFLAGS $($filter_cppflags "$@")
547
}
548

    
549
add_cflags(){
550
    append CFLAGS $($filter_cflags "$@")
551
}
552

    
553
add_asflags(){
554
    append ASFLAGS $($filter_asflags "$@")
555
}
556

    
557
add_ldflags(){
558
    append LDFLAGS "$@"
559
}
560

    
561
add_extralibs(){
562
    append extralibs "$@"
563
}
564

    
565
check_cmd(){
566
    log "$@"
567
    "$@" >> $logfile 2>&1
568
}
569

    
570
check_cc(){
571
    log check_cc "$@"
572
    cat > $TMPC
573
    log_file $TMPC
574
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
575
}
576

    
577
check_cpp(){
578
    log check_cpp "$@"
579
    cat > $TMPC
580
    log_file $TMPC
581
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
582
}
583

    
584
check_as(){
585
    log check_as "$@"
586
    cat > $TMPC
587
    log_file $TMPC
588
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
589
}
590

    
591
check_asm(){
592
    log check_asm "$@"
593
    name="$1"
594
    code="$2"
595
    shift 2
596
    disable $name
597
    check_as "$@" <<EOF && enable $name
598
void foo(void){ __asm__ volatile($code); }
599
EOF
600
}
601

    
602
check_yasm(){
603
    log check_yasm "$@"
604
    echo "$1" > $TMPS
605
    log_file $TMPS
606
    shift 1
607
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
608
}
609

    
610
check_ld(){
611
    log check_ld "$@"
612
    flags=''
613
    libs=''
614
    for f; do
615
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
616
    done
617
    check_cc $($filter_cflags $flags) || return
618
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
619
}
620

    
621
check_cppflags(){
622
    log check_cppflags "$@"
623
    set -- $($filter_cppflags "$@")
624
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
625
int x;
626
EOF
627
}
628

    
629
check_cflags(){
630
    log check_cflags "$@"
631
    set -- $($filter_cflags "$@")
632
    check_cc "$@" <<EOF && append CFLAGS "$@"
633
int x;
634
EOF
635
}
636

    
637
test_ldflags(){
638
    log test_ldflags "$@"
639
    check_ld "$@" <<EOF
640
int main(void){ return 0; }
641
EOF
642
}
643

    
644
check_ldflags(){
645
    log check_ldflags "$@"
646
    test_ldflags "$@" && add_ldflags "$@"
647
}
648

    
649
check_header(){
650
    log check_header "$@"
651
    header=$1
652
    shift
653
    disable_safe $header
654
    check_cpp "$@" <<EOF && enable_safe $header
655
#include <$header>
656
int x;
657
EOF
658
}
659

    
660
check_func(){
661
    log check_func "$@"
662
    func=$1
663
    shift
664
    disable $func
665
    check_ld "$@" <<EOF && enable $func
666
extern int $func();
667
int main(void){ $func(); }
668
EOF
669
}
670

    
671
check_mathfunc(){
672
    log check_mathfunc "$@"
673
    func=$1
674
    shift
675
    disable $func
676
    check_ld "$@" <<EOF && enable $func
677
#include <math.h>
678
float foo(float f) { return $func(f); }
679
int main(void){ return 0; }
680
EOF
681
}
682

    
683
check_func_headers(){
684
    log check_func_headers "$@"
685
    headers=$1
686
    func=$2
687
    shift 2
688
    disable $func
689
    incs=""
690
    for hdr in $headers; do
691
        incs="$incs
692
#include <$hdr>"
693
    done
694
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
695
$incs
696
int main(int argc, char **argv){
697
    return (long) $func;
698
}
699
EOF
700
}
701

    
702
check_cpp_condition(){
703
    log check_cpp_condition "$@"
704
    header=$1
705
    condition=$2
706
    shift 2
707
    check_cpp $($filter_cppflags "$@") <<EOF
708
#include <$header>
709
#if !($condition)
710
#error "unsatisfied condition: $condition"
711
#endif
712
EOF
713
}
714

    
715
check_lib(){
716
    log check_lib "$@"
717
    header="$1"
718
    func="$2"
719
    shift 2
720
    temp_extralibs "$@"
721
    check_header $header && check_func $func && add_extralibs "$@"
722
    err=$?
723
    restore_flags
724
    return $err
725
}
726

    
727
check_lib2(){
728
    log check_lib2 "$@"
729
    headers="$1"
730
    func="$2"
731
    shift 2
732
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
733
}
734

    
735
check_exec(){
736
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
737
}
738

    
739
check_exec_crash(){
740
    code=$(cat)
741

    
742
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
743
    # are safe but may not be available everywhere.  Thus we use
744
    # raise(SIGTERM) instead.  The check is run in a subshell so we
745
    # can redirect the "Terminated" message from the shell.  SIGBUS
746
    # is not defined by standard C so it is used conditionally.
747

    
748
    (check_exec "$@") >> $logfile 2>&1 <<EOF
749
#include <signal.h>
750
static void sighandler(int sig){
751
    raise(SIGTERM);
752
}
753
int main(void){
754
    signal(SIGILL, sighandler);
755
    signal(SIGFPE, sighandler);
756
    signal(SIGSEGV, sighandler);
757
#ifdef SIGBUS
758
    signal(SIGBUS, sighandler);
759
#endif
760
    { $code }
761
}
762
EOF
763
}
764

    
765
check_type(){
766
    log check_type "$@"
767
    headers=$1
768
    type=$2
769
    shift 2
770
    disable_safe "$type"
771
    incs=""
772
    for hdr in $headers; do
773
        incs="$incs
774
#include <$hdr>"
775
    done
776
    check_cc "$@" <<EOF && enable_safe "$type"
777
$incs
778
$type v;
779
EOF
780
}
781

    
782
check_struct(){
783
    log check_type "$@"
784
    headers=$1
785
    struct=$2
786
    member=$3
787
    shift 3
788
    disable_safe "${struct}_${member}"
789
    incs=""
790
    for hdr in $headers; do
791
        incs="$incs
792
#include <$hdr>"
793
    done
794
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
795
$incs
796
const void *p = &(($struct *)0)->$member;
797
EOF
798
}
799

    
800
require(){
801
    name="$1"
802
    header="$2"
803
    func="$3"
804
    shift 3
805
    check_lib $header $func "$@" || die "ERROR: $name not found"
806
}
807

    
808
require2(){
809
    name="$1"
810
    headers="$2"
811
    func="$3"
812
    shift 3
813
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
814
}
815

    
816
check_foo_config(){
817
    cfg=$1
818
    pkg=$2
819
    header=$3
820
    func=$4
821
    shift 4
822
    disable $cfg
823
    check_cmd ${pkg}-config --version
824
    err=$?
825
    if test "$err" = 0; then
826
        temp_cflags $(${pkg}-config --cflags)
827
        temp_extralibs $(${pkg}-config --libs)
828
        check_lib "$@" $header $func && enable $cfg
829
    fi
830
    return $err
831
}
832

    
833
check_host_cc(){
834
    log check_host_cc "$@"
835
    cat > $TMPC
836
    log_file $TMPC
837
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
838
}
839

    
840
check_host_cflags(){
841
    log check_host_cflags "$@"
842
    check_host_cc "$@" <<EOF && append host_cflags "$@"
843
int x;
844
EOF
845
}
846

    
847
apply(){
848
    file=$1
849
    shift
850
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
851
}
852

    
853
cp_if_changed(){
854
    cmp -s "$1" "$2" &&
855
        echo "$2 is unchanged" ||
856
        cp -f "$1" "$2"
857
}
858

    
859
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
860
# system-dependent things.
861

    
862
COMPONENT_LIST="
863
    bsfs
864
    decoders
865
    demuxers
866
    encoders
867
    filters
868
    hwaccels
869
    indevs
870
    muxers
871
    outdevs
872
    parsers
873
    protocols
874
"
875

    
876
CONFIG_LIST="
877
    $COMPONENT_LIST
878
    aandct
879
    avcodec
880
    avdevice
881
    avfilter
882
    avfilter_lavf
883
    avformat
884
    avisynth
885
    beos_netserver
886
    bzlib
887
    dct
888
    doc
889
    dxva2
890
    fastdiv
891
    ffmpeg
892
    ffplay
893
    ffserver
894
    fft
895
    golomb
896
    gpl
897
    gprof
898
    gray
899
    hardcoded_tables
900
    libdc1394
901
    libdirac
902
    libfaac
903
    libfaad
904
    libfaadbin
905
    libgsm
906
    libmp3lame
907
    libnut
908
    libopencore_amrnb
909
    libopencore_amrwb
910
    libopenjpeg
911
    libschroedinger
912
    libspeex
913
    libtheora
914
    libvorbis
915
    libx264
916
    libxvid
917
    lpc
918
    mdct
919
    memalign_hack
920
    mlib
921
    mpegaudio_hp
922
    network
923
    nonfree
924
    pic
925
    postproc
926
    powerpc_perf
927
    rdft
928
    runtime_cpudetect
929
    shared
930
    small
931
    sram
932
    static
933
    swscale
934
    swscale_alpha
935
    vaapi
936
    vdpau
937
    version3
938
    x11grab
939
    zlib
940
"
941

    
942
THREADS_LIST='
943
    beosthreads
944
    os2threads
945
    pthreads
946
    w32threads
947
'
948

    
949
ARCH_LIST='
950
    alpha
951
    arm
952
    avr32
953
    avr32_ap
954
    avr32_uc
955
    bfin
956
    ia64
957
    m68k
958
    mips
959
    mips64
960
    parisc
961
    ppc
962
    ppc64
963
    s390
964
    sh4
965
    sparc
966
    sparc64
967
    tomi
968
    x86
969
    x86_32
970
    x86_64
971
'
972

    
973
ARCH_EXT_LIST='
974
    altivec
975
    amd3dnow
976
    amd3dnowext
977
    armv5te
978
    armv6
979
    armv6t2
980
    armvfp
981
    iwmmxt
982
    mmi
983
    mmx
984
    mmx2
985
    neon
986
    ppc4xx
987
    sse
988
    ssse3
989
    vis
990
'
991

    
992
HAVE_LIST_PUB='
993
    bigendian
994
'
995

    
996
HAVE_LIST="
997
    $ARCH_EXT_LIST
998
    $HAVE_LIST_PUB
999
    $THREADS_LIST
1000
    alsa_asoundlib_h
1001
    altivec_h
1002
    arpa_inet_h
1003
    attribute_may_alias
1004
    attribute_packed
1005
    bswap
1006
    closesocket
1007
    cmov
1008
    conio_h
1009
    dcbzl
1010
    dev_bktr_ioctl_bt848_h
1011
    dev_bktr_ioctl_meteor_h
1012
    dev_ic_bt8xx_h
1013
    dev_video_meteor_ioctl_meteor_h
1014
    dev_video_bktr_ioctl_bt848_h
1015
    dlfcn_h
1016
    dlopen
1017
    dos_paths
1018
    ebp_available
1019
    ebx_available
1020
    exp2
1021
    exp2f
1022
    fast_64bit
1023
    fast_clz
1024
    fast_cmov
1025
    fast_unaligned
1026
    fork
1027
    getaddrinfo
1028
    gethrtime
1029
    GetProcessTimes
1030
    getrusage
1031
    inet_aton
1032
    inline_asm
1033
    isatty
1034
    ldbrx
1035
    libdc1394_1
1036
    libdc1394_2
1037
    llrint
1038
    local_aligned_16
1039
    local_aligned_8
1040
    log2
1041
    log2f
1042
    loongson
1043
    lrint
1044
    lrintf
1045
    lzo1x_999_compress
1046
    machine_ioctl_bt848_h
1047
    machine_ioctl_meteor_h
1048
    malloc_h
1049
    memalign
1050
    mkstemp
1051
    pld
1052
    posix_memalign
1053
    round
1054
    roundf
1055
    sdl
1056
    sdl_video_size
1057
    setmode
1058
    socklen_t
1059
    soundcard_h
1060
    poll_h
1061
    setrlimit
1062
    struct_addrinfo
1063
    struct_ipv6_mreq
1064
    struct_sockaddr_in6
1065
    struct_sockaddr_sa_len
1066
    struct_sockaddr_storage
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
    yasm
1081
"
1082

    
1083
# options emitted with CONFIG_ prefix but not available on command line
1084
CONFIG_EXTRA="
1085
    avutil
1086
    gplv3
1087
    lgplv3
1088
"
1089

    
1090
CMDLINE_SELECT="
1091
    $ARCH_EXT_LIST
1092
    $CONFIG_LIST
1093
    $THREADS_LIST
1094
    asm
1095
    cross_compile
1096
    debug
1097
    extra_warnings
1098
    logging
1099
    optimizations
1100
    stripping
1101
    yasm
1102
"
1103

    
1104
PATHS_LIST='
1105
    bindir
1106
    datadir
1107
    incdir
1108
    libdir
1109
    mandir
1110
    prefix
1111
    shlibdir
1112
'
1113

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

    
1142
CMDLINE_APPEND="
1143
    extra_cflags
1144
"
1145

    
1146
# code dependency declarations
1147

    
1148
# architecture extensions
1149

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

    
1157
mmi_deps="mips"
1158

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

    
1162
vis_deps="sparc"
1163

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

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

    
1176
need_memalign="altivec neon sse"
1177
inline_asm_deps="!tms470"
1178

    
1179
# subsystems
1180
mdct_select="fft"
1181
rdft_select="fft"
1182

    
1183
# decoders / encoders / hardware accelerators
1184
aac_decoder_select="mdct aac_parser"
1185
aac_encoder_select="mdct"
1186
ac3_decoder_select="mdct ac3_parser"
1187
alac_encoder_select="lpc"
1188
atrac1_decoder_select="mdct"
1189
atrac3_decoder_select="mdct"
1190
binkaudio_dct_decoder_select="mdct rdft dct"
1191
binkaudio_rdft_decoder_select="mdct rdft"
1192
cavs_decoder_select="golomb"
1193
cook_decoder_select="mdct"
1194
cscd_decoder_suggest="zlib"
1195
dca_decoder_select="mdct"
1196
dnxhd_encoder_select="aandct"
1197
dxa_decoder_select="zlib"
1198
eac3_decoder_select="ac3_decoder"
1199
eamad_decoder_select="aandct"
1200
eatgq_decoder_select="aandct"
1201
eatqi_decoder_select="aandct"
1202
ffv1_decoder_select="golomb"
1203
flac_decoder_select="golomb"
1204
flac_encoder_select="golomb lpc"
1205
flashsv_decoder_select="zlib"
1206
flashsv_encoder_select="zlib"
1207
flv_decoder_select="h263_decoder"
1208
flv_encoder_select="h263_encoder"
1209
h261_encoder_select="aandct"
1210
h263_decoder_select="h263_parser"
1211
h263_encoder_select="aandct"
1212
h263_vaapi_hwaccel_deps="va_va_h"
1213
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1214
h263i_decoder_select="h263_decoder"
1215
h263p_encoder_select="h263_encoder"
1216
h264_decoder_select="golomb"
1217
h264_dxva2_hwaccel_deps="dxva2api_h"
1218
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1219
h264_vaapi_hwaccel_deps="va_va_h"
1220
h264_vaapi_hwaccel_select="vaapi"
1221
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1222
h264_vdpau_decoder_select="vdpau h264_decoder"
1223
imc_decoder_select="fft mdct"
1224
jpegls_decoder_select="golomb"
1225
jpegls_encoder_select="golomb"
1226
ljpeg_encoder_select="aandct"
1227
loco_decoder_select="golomb"
1228
mjpeg_encoder_select="aandct"
1229
mlp_decoder_select="mlp_parser"
1230
mpeg1video_encoder_select="aandct"
1231
mpeg2video_encoder_select="aandct"
1232
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1233
mpeg4_encoder_select="h263_encoder"
1234
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1235
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1236
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1237
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1238
mpeg2_vaapi_hwaccel_deps="va_va_h"
1239
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1240
mpeg4_vaapi_hwaccel_deps="va_va_h"
1241
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1242
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1243
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1244
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1245
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1246
msmpeg4v1_decoder_select="h263_decoder"
1247
msmpeg4v1_encoder_select="h263_encoder"
1248
msmpeg4v2_decoder_select="h263_decoder"
1249
msmpeg4v2_encoder_select="h263_encoder"
1250
msmpeg4v3_decoder_select="h263_decoder"
1251
msmpeg4v3_encoder_select="h263_encoder"
1252
nellymoser_decoder_select="mdct"
1253
nellymoser_encoder_select="mdct"
1254
png_decoder_select="zlib"
1255
png_encoder_select="zlib"
1256
qdm2_decoder_select="mdct rdft"
1257
rv10_decoder_select="h263_decoder"
1258
rv10_encoder_select="h263_encoder"
1259
rv20_decoder_select="h263_decoder"
1260
rv20_encoder_select="h263_encoder"
1261
rv30_decoder_select="golomb"
1262
rv40_decoder_select="golomb"
1263
shorten_decoder_select="golomb"
1264
sonic_decoder_select="golomb"
1265
sonic_encoder_select="golomb"
1266
sonic_ls_encoder_select="golomb"
1267
svq3_decoder_select="golomb"
1268
svq3_decoder_suggest="zlib"
1269
theora_decoder_select="vp3_decoder"
1270
tiff_decoder_suggest="zlib"
1271
tiff_encoder_suggest="zlib"
1272
truehd_decoder_select="mlp_decoder"
1273
tscc_decoder_select="zlib"
1274
twinvq_decoder_select="mdct"
1275
vc1_decoder_select="h263_decoder"
1276
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1277
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1278
vc1_vaapi_hwaccel_deps="va_va_h"
1279
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1280
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1281
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1282
vorbis_decoder_select="mdct"
1283
vorbis_encoder_select="mdct"
1284
vp6a_decoder_select="vp6_decoder"
1285
vp6f_decoder_select="vp6_decoder"
1286
wmapro_decoder_select="mdct"
1287
wmav1_decoder_select="mdct"
1288
wmav1_encoder_select="mdct"
1289
wmav2_decoder_select="mdct"
1290
wmav2_encoder_select="mdct"
1291
wmv1_decoder_select="h263_decoder"
1292
wmv1_encoder_select="h263_encoder"
1293
wmv2_decoder_select="h263_decoder"
1294
wmv2_encoder_select="h263_encoder"
1295
wmv3_decoder_select="vc1_decoder"
1296
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1297
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1298
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1299
zlib_decoder_select="zlib"
1300
zlib_encoder_select="zlib"
1301
zmbv_decoder_select="zlib"
1302
zmbv_encoder_select="zlib"
1303

    
1304
# parsers
1305
h264_parser_select="golomb"
1306

    
1307
# bitstream_filters
1308
aac_adtstoasc_bsf_select="aac_parser"
1309

    
1310
# external libraries
1311
libdirac_decoder_deps="libdirac !libschroedinger"
1312
libdirac_encoder_deps="libdirac"
1313
libfaac_encoder_deps="libfaac"
1314
libfaad_decoder_deps="libfaad"
1315
libfaadbin_decoder_extralibs='$ldl'
1316
libgsm_decoder_deps="libgsm"
1317
libgsm_encoder_deps="libgsm"
1318
libgsm_ms_decoder_deps="libgsm"
1319
libgsm_ms_encoder_deps="libgsm"
1320
libmp3lame_encoder_deps="libmp3lame"
1321
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1322
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1323
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1324
libopenjpeg_decoder_deps="libopenjpeg"
1325
libschroedinger_decoder_deps="libschroedinger"
1326
libschroedinger_encoder_deps="libschroedinger"
1327
libspeex_decoder_deps="libspeex"
1328
libtheora_encoder_deps="libtheora"
1329
libvorbis_encoder_deps="libvorbis"
1330
libx264_encoder_deps="libx264"
1331
libxvid_encoder_deps="libxvid"
1332

    
1333
# demuxers / muxers
1334
ac3_demuxer_deps="ac3_parser"
1335
asf_stream_muxer_select="asf_muxer"
1336
avisynth_demuxer_deps="avisynth"
1337
dirac_demuxer_deps="dirac_parser"
1338
eac3_demuxer_select="ac3_parser"
1339
ipod_muxer_select="mov_muxer"
1340
libnut_demuxer_deps="libnut"
1341
libnut_muxer_deps="libnut"
1342
matroska_audio_muxer_select="matroska_muxer"
1343
matroska_demuxer_suggest="zlib bzlib"
1344
mov_demuxer_suggest="zlib"
1345
mp3_demuxer_deps="mpegaudio_parser"
1346
mp4_muxer_select="mov_muxer"
1347
mpegtsraw_demuxer_select="mpegts_demuxer"
1348
mxf_d10_muxer_select="mxf_muxer"
1349
ogg_demuxer_select="golomb"
1350
psp_muxer_select="mov_muxer"
1351
rtsp_demuxer_deps="sdp_demuxer"
1352
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1353
spdif_muxer_select="aac_parser"
1354
tg2_muxer_select="mov_muxer"
1355
tgp_muxer_select="mov_muxer"
1356
w64_demuxer_deps="wav_demuxer"
1357

    
1358
# indevs / outdevs
1359
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1360
alsa_indev_extralibs="-lasound"
1361
alsa_outdev_deps="alsa_asoundlib_h"
1362
alsa_outdev_extralibs="-lasound"
1363
audio_beos_indev_deps="audio_beos"
1364
audio_beos_indev_extralibs="-lmedia -lbe"
1365
audio_beos_outdev_deps="audio_beos"
1366
audio_beos_outdev_extralibs="-lmedia -lbe"
1367
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1368
dv1394_indev_deps="dv1394 dv_demuxer"
1369
jack_indev_deps="jack_jack_h"
1370
jack_indev_extralibs="-ljack"
1371
libdc1394_indev_deps="libdc1394"
1372
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1373
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1374
v4l_indev_deps="linux_videodev_h"
1375
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1376
vfwcap_indev_deps="capCreateCaptureWindow"
1377
vfwcap_indev_extralibs="-lavicap32"
1378
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1379
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1380

    
1381
# protocols
1382
gopher_protocol_deps="network"
1383
http_protocol_deps="network"
1384
rtmp_protocol_deps="tcp_protocol"
1385
rtp_protocol_deps="udp_protocol"
1386
tcp_protocol_deps="network"
1387
udp_protocol_deps="network"
1388

    
1389
# filters
1390
movie_filter_deps="avfilter_lavf"
1391
avfilter_lavf_deps="avformat"
1392

    
1393
# libraries
1394
avdevice_deps="avcodec avformat"
1395
avformat_deps="avcodec"
1396

    
1397
# programs
1398
ffmpeg_deps="avcodec avformat swscale"
1399
ffplay_deps="avcodec avformat swscale sdl"
1400
ffplay_select="rdft"
1401
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1402
ffserver_extralibs='$ldl'
1403

    
1404
doc_deps="texi2html"
1405

    
1406
# default parameters
1407

    
1408
logfile="config.err"
1409

    
1410
# installation paths
1411
prefix_default="/usr/local"
1412
bindir_default='${prefix}/bin'
1413
datadir_default='${prefix}/share/ffmpeg'
1414
incdir_default='${prefix}/include'
1415
libdir_default='${prefix}/lib'
1416
mandir_default='${prefix}/share/man'
1417
shlibdir_default="$libdir_default"
1418

    
1419
# toolchain
1420
ar="ar"
1421
cc_default="gcc"
1422
cc_version=\"unknown\"
1423
host_cc_default="gcc"
1424
ln_s="ln -sf"
1425
nm_default="nm"
1426
objformat="elf"
1427
ranlib="ranlib"
1428
strip_default="strip"
1429
yasmexe="yasm"
1430

    
1431
nm_opts='-g'
1432

    
1433
# machine
1434
arch_default=$(uname -m)
1435
cpu="generic"
1436

    
1437
# OS
1438
target_os_default=$(tolower $(uname -s))
1439
host_os=$target_os_default
1440

    
1441
# configurable options
1442
enable avcodec
1443
enable avdevice
1444
enable avformat
1445
enable avutil
1446
enable asm
1447
enable debug
1448
enable doc
1449
enable fastdiv
1450
enable ffmpeg
1451
enable ffplay
1452
enable ffserver
1453
enable mpegaudio_hp
1454
enable network
1455
enable optimizations
1456
enable protocols
1457
enable static
1458
enable stripping
1459
enable swscale
1460
enable swscale_alpha
1461

    
1462
# build settings
1463
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1464
FFSERVERLDFLAGS=-Wl,-E
1465
LIBPREF="lib"
1466
LIBSUF=".a"
1467
FULLNAME='$(NAME)$(BUILDSUF)'
1468
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1469
SLIBPREF="lib"
1470
SLIBSUF=".so"
1471
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1472
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1473
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1474
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1475

    
1476
CC_O='-o $@'
1477

    
1478
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1479
host_libs='-lm'
1480

    
1481
target_path='$(CURDIR)'
1482

    
1483
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1484
# full relative path for objects in subdirectories for non-recursive Make.
1485
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1486
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1487

    
1488
# find source path
1489
source_path="$(dirname "$0")"
1490
enable source_path_used
1491
if test -f configure; then
1492
    source_path="$(pwd)"
1493
    disable source_path_used
1494
else
1495
    source_path="$(cd "$source_path"; pwd)"
1496
    echo "$source_path" | grep -q '[[:blank:]]' &&
1497
        die "Out of tree builds are impossible with whitespace in source path."
1498
    test -e "$source_path/config.h" &&
1499
        die "Out of tree builds are impossible with config.h in source dir."
1500
fi
1501

    
1502
for v in "$@"; do
1503
    r=${v#*=}
1504
    l=${v%"$r"}
1505
    r=$(sh_quote "$r")
1506
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1507
done
1508

    
1509
find_things(){
1510
    thing=$1
1511
    pattern=$2
1512
    file=$source_path/$3
1513
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1514
}
1515

    
1516
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1517
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1518
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1519
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1520
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1521
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1522
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1523
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1524
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1525
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1526
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1527

    
1528
enable $ARCH_EXT_LIST \
1529
       $DECODER_LIST \
1530
       $ENCODER_LIST \
1531
       $HWACCEL_LIST \
1532
       $PARSER_LIST \
1533
       $BSF_LIST \
1534
       $DEMUXER_LIST \
1535
       $MUXER_LIST \
1536
       $FILTER_LIST \
1537
       $PROTOCOL_LIST \
1538
       $INDEV_LIST \
1539
       $OUTDEV_LIST \
1540

    
1541
die_unknown(){
1542
    echo "Unknown option \"$1\"."
1543
    echo "See $0 --help for available options."
1544
    exit 1
1545
}
1546

    
1547
show_list() {
1548
    suffix=_$1
1549
    shift
1550
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1551
    exit 0
1552
}
1553

    
1554
for opt do
1555
    optval="${opt#*=}"
1556
    case "$opt" in
1557
    --extra-ldflags=*) add_ldflags $optval
1558
    ;;
1559
    --extra-libs=*) add_extralibs $optval
1560
    ;;
1561
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1562
    ;;
1563
    --enable-debug=*) debuglevel="$optval"
1564
    ;;
1565
    --enable-*=*|--disable-*=*)
1566
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1567
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1568
    eval list=\$$(toupper $thing)_LIST
1569
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1570
    $action $(filter "$name" $list)
1571
    ;;
1572
    --enable-?*|--disable-?*)
1573
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1574
    if is_in $option $COMPONENT_LIST; then
1575
        test $action = disable && action=unset
1576
        eval $action \$$(toupper ${option%s})_LIST
1577
    elif is_in $option $CMDLINE_SELECT; then
1578
        $action $option
1579
    else
1580
        die_unknown $opt
1581
    fi
1582
    ;;
1583
    --list-*)
1584
        NAME="${opt#--list-}"
1585
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1586
        NAME=${NAME%s}
1587
        eval show_list $NAME \$$(toupper $NAME)_LIST
1588
    ;;
1589
    --help|-h) show_help
1590
    ;;
1591
    *)
1592
    optname="${opt%%=*}"
1593
    optname="${optname#--}"
1594
    optname=$(echo "$optname" | sed 's/-/_/g')
1595
    if is_in $optname $CMDLINE_SET; then
1596
        eval $optname='$optval'
1597
    elif is_in $optname $CMDLINE_APPEND; then
1598
        append $optname "$optval"
1599
    else
1600
         die_unknown $opt
1601
    fi
1602
    ;;
1603
    esac
1604
done
1605

    
1606
disabled logging && logfile=/dev/null
1607

    
1608
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1609
set >> $logfile
1610

    
1611
test -n "$cross_prefix" && enable cross_compile
1612

    
1613
if enabled cross_compile; then
1614
    test -n "$arch" && test -n "$target_os" ||
1615
        die "Must specify target arch and OS when cross-compiling"
1616
fi
1617

    
1618
set_default arch target_os
1619

    
1620
ar="${cross_prefix}${ar}"
1621
cc_default="${cross_prefix}${cc_default}"
1622
nm_default="${cross_prefix}${nm_default}"
1623
ranlib="${cross_prefix}${ranlib}"
1624
strip_default="${cross_prefix}${strip_default}"
1625

    
1626
sysinclude_default="${sysroot}/usr/include"
1627

    
1628
set_default cc nm strip sysinclude
1629
enabled cross_compile || host_cc_default=$cc
1630
set_default host_cc
1631

    
1632
exesuf() {
1633
    case $1 in
1634
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1635
    esac
1636
}
1637

    
1638
EXESUF=$(exesuf $target_os)
1639
HOSTEXESUF=$(exesuf $host_os)
1640

    
1641
# set temporary file name
1642
: ${TMPDIR:=$TEMPDIR}
1643
: ${TMPDIR:=$TMP}
1644
: ${TMPDIR:=/tmp}
1645

    
1646
if ! check_cmd type mktemp; then
1647
    # simple replacement for missing mktemp
1648
    # NOT SAFE FOR GENERAL USE
1649
    mktemp(){
1650
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1651
    }
1652
fi
1653

    
1654
tmpfile(){
1655
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1656
        (set -C; exec > $tmp) 2>/dev/null ||
1657
        die "Unable to create temporary file in $TMPDIR."
1658
    append TMPFILES $tmp
1659
    eval $1=$tmp
1660
}
1661

    
1662
trap 'rm -f -- $TMPFILES' EXIT
1663
trap exit HUP INT TERM
1664

    
1665
tmpfile TMPC  .c
1666
tmpfile TMPE  $EXESUF
1667
tmpfile TMPH  .h
1668
tmpfile TMPO  .o
1669
tmpfile TMPS  .S
1670
tmpfile TMPV  .ver
1671
tmpfile TMPSH .sh
1672

    
1673
unset -f mktemp
1674

    
1675
# make sure we can execute files in $TMPDIR
1676
cat > $TMPSH 2>> $logfile <<EOF
1677
#! /bin/sh
1678
EOF
1679
chmod +x $TMPSH >> $logfile 2>&1
1680
if ! $TMPSH >> $logfile 2>&1; then
1681
    cat <<EOF
1682
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1683
variable to another directory and make sure that it is not mounted noexec.
1684
EOF
1685
    die "Sanity test failed."
1686
fi
1687

    
1688
filter_cflags=echo
1689
filter_cppflags=echo
1690
filter_asflags=echo
1691

    
1692
if   $cc -v 2>&1 | grep -qi ^gcc; then
1693
    cc_type=gcc
1694
    cc_version=__VERSION__
1695
    if ! $cc -dumpversion | grep -q '^2\.'; then
1696
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1697
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1698
    fi
1699
    speed_cflags='-O3'
1700
    size_cflags='-Os'
1701
elif $cc --version 2>/dev/null | grep -q Intel; then
1702
    cc_type=icc
1703
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1704
    CC_DEPFLAGS='-MMD'
1705
    AS_DEPFLAGS='-MMD'
1706
    speed_cflags='-O3'
1707
    size_cflags='-Os'
1708
elif $cc -v 2>&1 | grep -q xlc; then
1709
    cc_type=xlc
1710
    cc_version="AV_STRINGIFY(__IBMC__)"
1711
    speed_cflags='-O5'
1712
    size_cflags='-O5 -qcompact'
1713
elif $cc -V 2>/dev/null | grep -q Compaq; then
1714
    cc_type=ccc
1715
    cc_version="AV_STRINGIFY(__DECC_VER)"
1716
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1717
    debuglevel=3
1718
    add_ldflags -Wl,-z,now # calls to libots crash without this
1719
    speed_cflags='-fast'
1720
    size_cflags='-O1'
1721
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1722
    test -d "$sysroot" || die "No valid sysroot specified."
1723
    cc_type=armcc
1724
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1725
    armcc_conf="$PWD/armcc.conf"
1726
    $cc --arm_linux_configure                 \
1727
        --arm_linux_config_file="$armcc_conf" \
1728
        --configure_sysroot="$sysroot"        \
1729
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1730
        die "Error creating armcc configuration file."
1731
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1732
    as_default="${cross_prefix}gcc"
1733
    CC_DEPFLAGS='-MMD'
1734
    AS_DEPFLAGS='-MMD'
1735
    speed_cflags='-O3'
1736
    size_cflags='-Os'
1737
elif $cc -version 2>/dev/null | grep -q TMS470; then
1738
    cc_type=tms470
1739
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1740
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1741
    CC_O='-fr=$(@D)'
1742
    as_default="${cross_prefix}gcc"
1743
    ld_default="${cross_prefix}gcc"
1744
    TMPO=$(basename $TMPC .c).o
1745
    append TMPFILES $TMPO
1746
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1747
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1748
    AS_DEPFLAGS='-MMD'
1749
    speed_cflags='-O3 -mf=5'
1750
    size_cflags='-O3 -mf=2'
1751
    filter_cflags=tms470_flags
1752
    tms470_flags(){
1753
        for flag; do
1754
            case $flag in
1755
                -march=*|-mcpu=*)
1756
                    case "${flag#*=}" in
1757
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1758
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1759
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1760
                        armv6*|arm11*)          echo -mv=6   ;;
1761
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1762
                                                echo -mv=5e  ;;
1763
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1764
                    esac
1765
                    ;;
1766
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1767
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1768
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1769
                -msoft-float)   echo --float_support=vfplib       ;;
1770
                -O[0-3]|-mf=*)  echo $flag                        ;;
1771
                -g)             echo -g -mn                       ;;
1772
                -pds=*)         echo $flag                        ;;
1773
            esac
1774
        done
1775
    }
1776
elif $cc -v 2>&1 | grep -q clang; then
1777
    cc_type=clang
1778
    cc_version=__VERSION__
1779
    CC_DEPFLAGS='-MMD'
1780
    AS_DEPFLAGS='-MMD'
1781
    speed_cflags='-O3'
1782
    size_cflags='-Os'
1783
elif $cc -V 2>&1 | grep -q Sun; then
1784
    cc_type=suncc
1785
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1786
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1787
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1788
    speed_cflags='-O5'
1789
    size_cflags='-O5 -xspace'
1790
    filter_cflags=suncc_flags
1791
    suncc_flags(){
1792
        for flag; do
1793
            case $flag in
1794
                -march=*|-mcpu=*)
1795
                    case "${flag#*=}" in
1796
                        native)                   echo -xtarget=native       ;;
1797
                        v9)                       echo -xarch=sparc          ;;
1798
                        ultrasparc)               echo -xarch=sparcvis       ;;
1799
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1800
                        i586|pentium)             echo -xchip=pentium        ;;
1801
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1802
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1803
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1804
                        pentium4*)          echo -xtarget=pentium4           ;;
1805
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1806
                        *-sse3)             echo -xarch=sse3                 ;;
1807
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1808
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1809
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1810
                        k8|opteron|athlon64|athlon-fx)
1811
                                                  echo -xarch=sse2a          ;;
1812
                        athlon*)                  echo -xarch=pentium_proa   ;;
1813
                    esac
1814
                    ;;
1815
                -std=c99)             echo -xc99              ;;
1816
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1817
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1818
                -W*,*)                echo $flag              ;;
1819
                -f*-*|-W*)                                    ;;
1820
                *)                    echo $flag              ;;
1821
            esac
1822
        done
1823
    }
1824
fi
1825

    
1826
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1827

    
1828
: ${as_default:=$cc}
1829
: ${dep_cc_default:=$cc}
1830
: ${ld_default:=$cc}
1831
set_default as dep_cc ld
1832

    
1833
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1834
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1835

    
1836
add_cflags $extra_cflags
1837
add_asflags $extra_cflags
1838

    
1839
if test -n "$sysroot"; then
1840
    case "$cc_type" in
1841
        gcc)
1842
            add_cppflags --sysroot="$sysroot"
1843
            add_ldflags --sysroot="$sysroot"
1844
        ;;
1845
        tms470)
1846
            add_cppflags -I"$sysinclude"
1847
            add_ldflags  --sysroot="$sysroot"
1848
        ;;
1849
        clang)
1850
            add_cppflags -isysroot="$sysroot"
1851
            add_ldflags -isysroot="$sysroot"
1852
        ;;
1853
    esac
1854
fi
1855

    
1856
if test "$cpu" = host; then
1857
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1858

    
1859
    case "$cc_type" in
1860
        gcc)
1861
            check_native(){
1862
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1863
                sed -n "/$1=/{
1864
                            s/.*$1=\\([^ ]*\\).*/\\1/
1865
                            p
1866
                            q
1867
                        }" $TMPE
1868
            }
1869
            cpu=$(check_native -march || check_native -mcpu)
1870
        ;;
1871
    esac
1872

    
1873
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1874
fi
1875

    
1876
# Deal with common $arch aliases
1877
case "$arch" in
1878
    arm*)
1879
        arch="arm"
1880
    ;;
1881
    mips|mipsel|IP*)
1882
        arch="mips"
1883
    ;;
1884
    mips64)
1885
        arch="mips"
1886
        subarch="mips64"
1887
    ;;
1888
    parisc|hppa)
1889
        arch="parisc"
1890
    ;;
1891
    parisc64|hppa64)
1892
        arch="parisc"
1893
        subarch="parisc64"
1894
    ;;
1895
    "Power Macintosh"|ppc|powerpc)
1896
        arch="ppc"
1897
    ;;
1898
    ppc64)
1899
        arch="ppc"
1900
        subarch="ppc64"
1901
    ;;
1902
    s390|s390x)
1903
        arch="s390"
1904
    ;;
1905
    sh4|sh)
1906
        arch="sh4"
1907
    ;;
1908
    sun4u|sparc64)
1909
        arch="sparc"
1910
        subarch="sparc64"
1911
    ;;
1912
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1913
        arch="x86"
1914
    ;;
1915
esac
1916

    
1917
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1918
enable $arch
1919

    
1920
# Add processor-specific flags
1921
if test "$cpu" = generic; then
1922
    : do nothing
1923
elif enabled ppc; then
1924

    
1925
    case $(tolower $cpu) in
1926
        601|ppc601|powerpc601)
1927
            cpuflags="-mcpu=601"
1928
            disable altivec
1929
        ;;
1930
        603*|ppc603*|powerpc603*)
1931
            cpuflags="-mcpu=603"
1932
            disable altivec
1933
        ;;
1934
        604*|ppc604*|powerpc604*)
1935
            cpuflags="-mcpu=604"
1936
            disable altivec
1937
        ;;
1938
        g3|75*|ppc75*|powerpc75*)
1939
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1940
            disable altivec
1941
        ;;
1942
        g4|745*|ppc745*|powerpc745*)
1943
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1944
        ;;
1945
        74*|ppc74*|powerpc74*)
1946
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1947
        ;;
1948
        g5|970|ppc970|powerpc970|power4*)
1949
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1950
        ;;
1951
        cell)
1952
            cpuflags="-mcpu=cell"
1953
            enable ldbrx
1954
        ;;
1955
        e500v2)
1956
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1957
            disable altivec
1958
        ;;
1959
        e500)
1960
            cpuflags="-mcpu=8540 -mhard-float"
1961
            disable altivec
1962
        ;;
1963
    esac
1964

    
1965
elif enabled x86; then
1966

    
1967
    case $cpu in
1968
        i[345]86|pentium)
1969
            cpuflags="-march=$cpu"
1970
            disable mmx
1971
        ;;
1972
        # targets that do NOT support conditional mov (cmov)
1973
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1974
            cpuflags="-march=$cpu"
1975
            disable cmov
1976
        ;;
1977
        # targets that do support conditional mov (cmov)
1978
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1979
            cpuflags="-march=$cpu"
1980
            enable cmov
1981
            enable fast_cmov
1982
        ;;
1983
        # targets that do support conditional mov but on which it's slow
1984
        pentium4|pentium4m|prescott|nocona)
1985
            cpuflags="-march=$cpu"
1986
            enable cmov
1987
            disable fast_cmov
1988
        ;;
1989
    esac
1990

    
1991
elif enabled sparc; then
1992

    
1993
    case $cpu in
1994
        sparc64)
1995
            cpuflags="-mcpu=v9"
1996
        ;;
1997
    esac
1998

    
1999
elif enabled arm; then
2000

    
2001
    case $cpu in
2002
        armv*)
2003
            cpuflags="-march=$cpu"
2004
        ;;
2005
        *)
2006
            cpuflags="-mcpu=$cpu"
2007
        ;;
2008
    esac
2009

    
2010
elif enabled alpha; then
2011

    
2012
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2013

    
2014
elif enabled bfin; then
2015

    
2016
    cpuflags="-mcpu=$cpu"
2017

    
2018
elif enabled mips; then
2019

    
2020
    cpuflags="-march=$cpu"
2021

    
2022
elif enabled avr32; then
2023

    
2024
    case $cpu in
2025
        ap7[02]0[0-2])
2026
            subarch="avr32_ap"
2027
            cpuflags="-mpart=$cpu"
2028
        ;;
2029
        ap)
2030
            subarch="avr32_ap"
2031
            cpuflags="-march=$cpu"
2032
        ;;
2033
        uc3[ab]*)
2034
            subarch="avr32_uc"
2035
            cpuflags="-mcpu=$cpu"
2036
        ;;
2037
        uc)
2038
            subarch="avr32_uc"
2039
            cpuflags="-march=$cpu"
2040
        ;;
2041
    esac
2042

    
2043
fi
2044

    
2045
add_cflags $cpuflags
2046
add_asflags $cpuflags
2047

    
2048
# compiler sanity check
2049
check_exec <<EOF
2050
int main(void){ return 0; }
2051
EOF
2052
if test "$?" != 0; then
2053
    echo "$cc is unable to create an executable file."
2054
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2055
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2056
        echo "Only do this if you know what cross compiling means."
2057
    fi
2058
    die "C compiler test failed."
2059
fi
2060

    
2061
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2062
check_cflags -std=c99
2063
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2064
#include <stdlib.h>
2065
EOF
2066
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2067
#include <stdlib.h>
2068
EOF
2069

    
2070
check_host_cflags -std=c99
2071

    
2072
case "$arch" in
2073
    alpha|ia64|mips|parisc|sparc)
2074
        spic=$shared
2075
    ;;
2076
    x86)
2077
        subarch="x86_32"
2078
        check_cc <<EOF && subarch="x86_64"
2079
        int test[(int)sizeof(char*) - 7];
2080
EOF
2081
        if test "$subarch" = "x86_64"; then
2082
            spic=$shared
2083
        fi
2084
    ;;
2085
esac
2086

    
2087
enable $subarch
2088
enabled spic && enable pic
2089
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2090

    
2091
# OS specific
2092
case $target_os in
2093
    beos|haiku|zeta)
2094
        prefix_default="$HOME/config"
2095
        # 3 gcc releases known for BeOS, each with ugly bugs
2096
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2097
        case "$gcc_version" in
2098
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2099
            disable mmx
2100
            ;;
2101
          *20010315*) echo "BeBits gcc"
2102
            add_cflags -fno-expensive-optimizations
2103
            ;;
2104
        esac
2105
        SHFLAGS=-nostart
2106
        # enable BeOS things
2107
        enable audio_beos
2108
        # no need for libm, but the inet stuff
2109
        # Check for BONE
2110
        # XXX: actually should check for NOT net_server
2111
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2112
            network_extralibs="-lbind -lsocket"
2113
        else
2114
            enable beos_netserver
2115
            network_extralibs="-lnet"
2116
        fi ;;
2117
    sunos)
2118
        FFSERVERLDFLAGS=""
2119
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2120
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2121
        network_extralibs="-lsocket -lnsl"
2122
        add_cppflags -D__EXTENSIONS__
2123
        nm_opts='-P -g'
2124
        ;;
2125
    netbsd)
2126
        oss_indev_extralibs="-lossaudio"
2127
        oss_outdev_extralibs="-lossaudio"
2128
        ;;
2129
    openbsd)
2130
        enable malloc_aligned
2131
        # On OpenBSD 4.5. the compiler does not use PIC unless
2132
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2133
        # however the generated executable will not do anything
2134
        # (simply quits with exit-code 1, no crash, no output).
2135
        # Thus explicitly enable PIC here.
2136
        enable pic
2137
        SHFLAGS='-shared'
2138
        oss_indev_extralibs="-lossaudio"
2139
        oss_outdev_extralibs="-lossaudio"
2140
        ;;
2141
    freebsd|dragonfly)
2142
        enable malloc_aligned
2143
        ;;
2144
    bsd/os)
2145
        osextralibs="-lpoll -lgnugetopt"
2146
        strip="strip -d"
2147
        ;;
2148
    darwin)
2149
        enable malloc_aligned
2150
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2151
        strip="strip -x"
2152
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2153
        SLIBSUF=".dylib"
2154
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2155
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2156
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2157
        objformat="macho"
2158
        enabled x86_64 && objformat="macho64"
2159
        enabled_any pic shared ||
2160
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2161
        ;;
2162
    mingw32*)
2163
        if test $target_os = "mingw32ce"; then
2164
            disable network
2165
        else
2166
            target_os=mingw32
2167
        fi
2168
        LIBTARGET=i386
2169
        if enabled x86_64; then
2170
            enable malloc_aligned
2171
            LIBTARGET=x64
2172
        elif enabled arm; then
2173
            LIBTARGET=arm
2174
        fi
2175
        shlibdir_default="$bindir_default"
2176
        disable ffserver
2177
        SLIBPREF=""
2178
        SLIBSUF=".dll"
2179
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2180
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2181
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2182
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2183
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2184
            install -d "$(LIBDIR)"; \
2185
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2186
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2187
        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'
2188
        objformat="win32"
2189
        enable dos_paths
2190
        check_cflags -fno-common
2191
        if ! enabled x86_64; then
2192
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2193
                die "ERROR: MinGW runtime version must be >= 3.15."
2194
            enabled_any avisynth vfwcap_indev &&
2195
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2196
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2197
        fi
2198
        ;;
2199
    cygwin*)
2200
        target_os=cygwin
2201
        shlibdir_default="$bindir_default"
2202
        SLIBPREF="cyg"
2203
        SLIBSUF=".dll"
2204
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2205
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2206
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2207
        objformat="win32"
2208
        enable dos_paths
2209
        check_cflags -fno-common
2210
        ;;
2211
    *-dos|freedos|opendos)
2212
        disable ffplay ffserver
2213
        disable $INDEV_LIST $OUTDEV_LIST
2214
        network_extralibs="-lsocket"
2215
        objformat="coff"
2216
        enable dos_paths
2217
        ;;
2218
    linux)
2219
        enable dv1394
2220
        ;;
2221
    irix*)
2222
        target_os=irix
2223
        ranlib="echo ignoring ranlib"
2224
        ;;
2225
    os/2*)
2226
        strip="lxlite"
2227
        ln_s="cp -f"
2228
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2229
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2230
        FFSERVERLDFLAGS=""
2231
        LIBSUF="_s.a"
2232
        SLIBPREF=""
2233
        SLIBSUF=".dll"
2234
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2235
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2236
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2237
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2238
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2239
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2240
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2241
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2242
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2243
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2244
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2245
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2246
        enable dos_paths
2247
        ;;
2248
    gnu/kfreebsd)
2249
        ;;
2250
    gnu)
2251
        ;;
2252
    none)
2253
        ;;
2254
    *)
2255
        die "Unknown OS '$target_os'."
2256
        ;;
2257
esac
2258

    
2259
set_default $PATHS_LIST
2260

    
2261
add_extralibs $osextralibs
2262

    
2263
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2264
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2265

    
2266
# we need to build at least one lib type
2267
if ! enabled_any static shared; then
2268
    cat <<EOF
2269
At least one library type must be built.
2270
Specify --enable-static to build the static libraries or --enable-shared to
2271
build the shared libraries as well. To only build the shared libraries specify
2272
--disable-static in addition to --enable-shared.
2273
EOF
2274
    exit 1;
2275
fi
2276

    
2277
disabled static && LIBNAME=""
2278

    
2279
if enabled_any libfaad libfaadbin ; then
2280
    if check_header faad.h; then
2281
        check_cc <<EOF
2282
#include <faad.h>
2283
#ifndef FAAD2_VERSION
2284
ok faad1
2285
#endif
2286
int main(void) { return 0; }
2287
EOF
2288
        test $? = 0 && enable libfaad2
2289
    else
2290
        die "FAAD test failed."
2291
    fi
2292
fi
2293

    
2294

    
2295
die_license_disabled() {
2296
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2297
}
2298

    
2299
die_license_disabled gpl libfaad2
2300
die_license_disabled gpl libx264
2301
die_license_disabled gpl libxvid
2302
die_license_disabled gpl postproc
2303
die_license_disabled gpl x11grab
2304

    
2305
die_license_disabled nonfree libfaac
2306

    
2307
die_license_disabled version3 libopencore_amrnb
2308
die_license_disabled version3 libopencore_amrwb
2309

    
2310
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2311

    
2312
check_deps $ARCH_EXT_LIST
2313

    
2314
disabled optimizations || check_cflags -fomit-frame-pointer
2315

    
2316
enable_pic() {
2317
    enable pic
2318
    add_cppflags -DPIC
2319
    add_cflags   -fPIC
2320
    add_asflags  -fPIC
2321
}
2322

    
2323
enabled pic && enable_pic
2324

    
2325
check_cc <<EOF || die "Symbol mangling check failed."
2326
int ff_extern;
2327
EOF
2328
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2329
extern_prefix=${sym%%ff_extern*}
2330

    
2331
check_cc <<EOF && enable inline_asm
2332
void foo(void) { __asm__ volatile ("" ::); }
2333
EOF
2334

    
2335
_restrict=
2336
for restrict_keyword in restrict __restrict__ __restrict; do
2337
    check_cc <<EOF && _restrict=$restrict_keyword && break
2338
void foo(char * $restrict_keyword p);
2339
EOF
2340
done
2341

    
2342
check_cc <<EOF && enable attribute_packed
2343
struct { int x; } __attribute__((packed)) x;
2344
EOF
2345

    
2346
check_cc <<EOF && enable attribute_may_alias
2347
union { int x; } __attribute__((may_alias)) x;
2348
EOF
2349

    
2350
check_cc <<EOF || die "endian test failed"
2351
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2352
EOF
2353
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2354

    
2355
if enabled alpha; then
2356

    
2357
    check_cflags -mieee
2358

    
2359
elif enabled arm; then
2360

    
2361
    check_cflags -marm
2362

    
2363
    check_ld <<EOF && enable vfp_args
2364
__asm__ (".eabi_attribute 28, 1");
2365
int main(void) { return 0; }
2366
EOF
2367

    
2368
    # We have to check if pld is a nop and disable it.
2369
    check_asm pld '"pld [r0]"'
2370

    
2371
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2372
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2373
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2374
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2375
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2376
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2377

    
2378
    enabled_all armv6t2 shared !pic && enable_pic
2379

    
2380
elif enabled ia64; then
2381

    
2382
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2383
    enabled shared && enable_weak hardcoded_tables
2384

    
2385
elif enabled mips; then
2386

    
2387
    check_asm loongson '"dmult.g $1, $2, $3"'
2388
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2389

    
2390
elif enabled ppc; then
2391

    
2392
    enable local_aligned_8 local_aligned_16
2393

    
2394
    check_asm dcbzl     '"dcbzl 0, 1"'
2395
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2396
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2397

    
2398
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2399
    if enabled altivec; then
2400
        check_cflags -maltivec -mabi=altivec &&
2401
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2402
        check_cflags -faltivec
2403

    
2404
        # check if our compiler supports Motorola AltiVec C API
2405
        check_cc <<EOF || disable altivec
2406
$inc_altivec_h
2407
int main(void) {
2408
    vector signed int v1, v2, v3;
2409
    v1 = vec_add(v2,v3);
2410
    return 0;
2411
}
2412
EOF
2413

    
2414
        # check if our compiler supports braces for vector declarations
2415
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2416
$inc_altivec_h
2417
int main (void) { (vector int) {1}; return 0; }
2418
EOF
2419
    fi
2420

    
2421
elif enabled sparc; then
2422

    
2423
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2424
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2425

    
2426
elif enabled x86; then
2427

    
2428
    enable local_aligned_8 local_aligned_16
2429

    
2430
    # check whether EBP is available on x86
2431
    # As 'i' is stored on the stack, this program will crash
2432
    # if the base pointer is used to access it because the
2433
    # base pointer is cleared in the inline assembly code.
2434
    check_exec_crash <<EOF && enable ebp_available
2435
    volatile int i=0;
2436
    __asm__ volatile (
2437
        "xorl %%ebp, %%ebp"
2438
    ::: "%ebp");
2439
    return i;
2440
EOF
2441

    
2442
    # check whether EBX is available on x86
2443
    check_asm ebx_available '""::"b"(0)' &&
2444
        check_asm ebx_available '"":::"%ebx"'
2445

    
2446
    # check whether more than 10 operands are supported
2447
    check_cc <<EOF && enable ten_operands
2448
int main(void) {
2449
    int x=0;
2450
    __asm__ volatile(
2451
        ""
2452
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2453
    );
2454
    return 0;
2455
}
2456
EOF
2457

    
2458
    # check whether binutils is new enough to compile SSSE3/MMX2
2459
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2460
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2461

    
2462
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2463

    
2464
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2465
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2466
    enabled     pic           && append YASMFLAGS "-DPIC"
2467
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2468
    case "$objformat" in
2469
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2470
    esac
2471
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2472

    
2473
    case "$cpu" in
2474
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2475
            disable fast_clz
2476
        ;;
2477
    esac
2478

    
2479
fi
2480

    
2481
if check_func dlopen; then
2482
    ldl=
2483
elif check_func dlopen -ldl; then
2484
    ldl=-ldl
2485
fi
2486

    
2487
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2488
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2489

    
2490
check_func  fork
2491
check_func  getaddrinfo $network_extralibs
2492
check_func  gethrtime
2493
check_func  getrusage
2494
check_func  inet_aton $network_extralibs
2495
check_func  isatty
2496
check_func  ${malloc_prefix}memalign            && enable memalign
2497
check_func  mkstemp
2498
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2499
check_func  setrlimit
2500
check_func_headers io.h setmode
2501
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2502
check_func_headers windows.h GetProcessTimes
2503
check_func_headers windows.h VirtualAlloc
2504

    
2505
check_header conio.h
2506
check_header dlfcn.h
2507
check_header dxva2api.h
2508
check_header malloc.h
2509
check_header poll.h
2510
check_header sys/mman.h
2511
check_header sys/resource.h
2512
check_header sys/select.h
2513
check_header termios.h
2514
check_header vdpau/vdpau.h
2515
check_header vdpau/vdpau_x11.h
2516
check_header X11/extensions/XvMClib.h
2517

    
2518
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2519

    
2520
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2521
     enabled_any $need_memalign ; then
2522
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2523
fi
2524

    
2525
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2526
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2527

    
2528
# check for some common methods of building with pthread support
2529
# do this before the optional library checks as some of them require pthreads
2530
if enabled pthreads; then
2531
    if check_func pthread_create; then
2532
        :
2533
    elif check_func pthread_create -pthread; then
2534
        add_cflags -pthread
2535
        add_extralibs -pthread
2536
    elif check_func pthread_create -pthreads; then
2537
        add_cflags -pthreads
2538
        add_extralibs -pthreads
2539
    elif check_func pthread_create -lpthreadGC2; then
2540
        add_extralibs -lpthreadGC2
2541
    elif ! check_lib pthread.h pthread_create -lpthread; then
2542
        die "ERROR: can't find pthreads library"
2543
    fi
2544
fi
2545

    
2546
for thread in $THREADS_LIST; do
2547
    if enabled $thread; then
2548
        test -n "$thread_type" &&
2549
            die "ERROR: Only one thread type must be selected." ||
2550
            thread_type="$thread"
2551
    fi
2552
done
2553

    
2554
check_lib math.h sin -lm
2555
check_lib va/va.h vaInitialize -lva
2556

    
2557
check_mathfunc exp2
2558
check_mathfunc exp2f
2559
check_mathfunc llrint
2560
check_mathfunc log2
2561
check_mathfunc log2f
2562
check_mathfunc lrint
2563
check_mathfunc lrintf
2564
check_mathfunc round
2565
check_mathfunc roundf
2566
check_mathfunc truncf
2567

    
2568
# these are off by default, so fail if requested and not available
2569
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2570
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2571
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2572
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2573
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2574
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2575
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2576
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2577
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2578
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2579
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2580
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2581
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2582
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2583
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2584
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2585
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2586
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2587
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2588
                        die "ERROR: libx264 version must be >= 0.83."; }
2589
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2590
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2591

    
2592
# libdc1394 check
2593
if enabled libdc1394; then
2594
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2595
        enable libdc1394_2; } ||
2596
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2597
        enable libdc1394_1; } ||
2598
    die "ERROR: No version of libdc1394 found "
2599
fi
2600

    
2601
SDL_CONFIG="${cross_prefix}sdl-config"
2602
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2603
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2604
    sdl_libs=$("${SDL_CONFIG}" --libs)
2605
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2606
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2607
    enable sdl &&
2608
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2609
fi
2610

    
2611
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2612

    
2613
if enabled network; then
2614
    check_type "sys/types.h sys/socket.h" socklen_t
2615
    check_type netdb.h "struct addrinfo"
2616
    check_type netinet/in.h "struct ipv6_mreq"
2617
    check_type netinet/in.h "struct sockaddr_in6"
2618
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2619
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2620
    # Prefer arpa/inet.h over winsock2
2621
    if check_header arpa/inet.h ; then
2622
        check_func closesocket
2623
    elif check_header winsock2.h ; then
2624
        check_func_headers winsock2.h closesocket -lws2 && \
2625
            network_extralibs="-lws2" || \
2626
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2627
            network_extralibs="-lws2_32"; }
2628
        check_type ws2tcpip.h socklen_t
2629
        check_type ws2tcpip.h "struct addrinfo"
2630
        check_type ws2tcpip.h "struct ipv6_mreq"
2631
        check_type ws2tcpip.h "struct sockaddr_in6"
2632
        check_type ws2tcpip.h "struct sockaddr_storage"
2633
        check_struct winsock2.h "struct sockaddr" sa_len
2634
    else
2635
        disable network
2636
    fi
2637
fi
2638

    
2639
check_header linux/videodev.h
2640
check_header linux/videodev2.h
2641
check_header sys/videoio.h
2642

    
2643
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2644

    
2645
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2646
{ check_header dev/bktr/ioctl_meteor.h &&
2647
  check_header dev/bktr/ioctl_bt848.h; } ||
2648
{ check_header machine/ioctl_meteor.h &&
2649
  check_header machine/ioctl_bt848.h; } ||
2650
{ check_header dev/video/meteor/ioctl_meteor.h &&
2651
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2652
check_header dev/ic/bt8xx.h
2653

    
2654
check_header sys/soundcard.h
2655
check_header soundcard.h
2656

    
2657
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2658

    
2659
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2660

    
2661
enabled x11grab                         &&
2662
check_header X11/Xlib.h                 &&
2663
check_header X11/extensions/XShm.h      &&
2664
check_header X11/extensions/Xfixes.h    &&
2665
check_func XOpenDisplay -lX11           &&
2666
check_func XShmCreateImage -lX11 -lXext &&
2667
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2668

    
2669
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2670
check_cpp_condition \
2671
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2672
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2673
      disable vdpau; }
2674
fi
2675

    
2676
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2677

    
2678
# add some useful compiler flags if supported
2679
check_cflags -Wdeclaration-after-statement
2680
check_cflags -Wall
2681
check_cflags -Wno-switch
2682
check_cflags -Wdisabled-optimization
2683
check_cflags -Wpointer-arith
2684
check_cflags -Wredundant-decls
2685
check_cflags -Wno-pointer-sign
2686
check_cflags -Wcast-qual
2687
check_cflags -Wwrite-strings
2688
check_cflags -Wtype-limits
2689
check_cflags -Wundef
2690
enabled extra_warnings && check_cflags -Winline
2691

    
2692
# add some linker flags
2693
check_ldflags -Wl,--warn-common
2694
check_ldflags -Wl,--as-needed
2695
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2696
check_ldflags -Wl,-Bsymbolic
2697

    
2698
echo "X{};" > $TMPV
2699
test_ldflags -Wl,--version-script,$TMPV &&
2700
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2701

    
2702
if enabled small; then
2703
    add_cflags $size_cflags
2704
    optimizations="small"
2705
elif enabled optimizations; then
2706
    add_cflags $speed_cflags
2707
fi
2708
check_cflags -fno-math-errno
2709
check_cflags -fno-signed-zeros
2710

    
2711
if enabled icc; then
2712
    # Just warnings, no remarks
2713
    check_cflags -w1
2714
    # -wd: Disable following warnings
2715
    # 144, 167, 556: -Wno-pointer-sign
2716
    # 10006: ignoring unknown option -fno-signed-zeros
2717
    # 10156: ignoring option '-W'; no argument required
2718
    check_cflags -wd144,167,556,10006,10156
2719
    # 11030: Warning unknown option --as-needed
2720
    # 10156: ignoring option '-export'; no argument required
2721
    check_ldflags -wd10156,11030
2722
    # Allow to compile with optimizations
2723
    check_ldflags -march=$cpu
2724
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2725
    enable ebp_available
2726
elif enabled ccc; then
2727
    # disable some annoying warnings
2728
    add_cflags -msg_disable cvtu32to64
2729
    add_cflags -msg_disable embedcomment
2730
    add_cflags -msg_disable needconstext
2731
    add_cflags -msg_disable nomainieee
2732
    add_cflags -msg_disable ptrmismatch1
2733
    add_cflags -msg_disable unreachcode
2734
elif enabled gcc; then
2735
    check_cflags -fno-tree-vectorize
2736
elif enabled clang; then
2737
    check_cflags -Qunused-arguments
2738
elif enabled armcc; then
2739
    # 2523: use of inline assembler is deprecated
2740
    add_cflags -Wrvct,--diag_suppress=2523
2741
elif enabled tms470; then
2742
    add_cflags -pds=824 -pds=837
2743
fi
2744

    
2745
if enabled gprof; then
2746
    add_cflags  -p
2747
    add_ldflags -p
2748
fi
2749

    
2750
# Find out if the .align argument is a power of two or not.
2751
check_asm asmalign_pot '".align 3"'
2752

    
2753
enabled_any $DECODER_LIST      && enable decoders
2754
enabled_any $ENCODER_LIST      && enable encoders
2755
enabled_any $HWACCEL_LIST      && enable hwaccels
2756
enabled_any $BSF_LIST          && enable bsfs
2757
enabled_any $DEMUXER_LIST      && enable demuxers
2758
enabled_any $MUXER_LIST        && enable muxers
2759
enabled_any $FILTER_LIST       && enable filters
2760
enabled_any $INDEV_LIST        && enable indevs
2761
enabled_any $OUTDEV_LIST       && enable outdevs
2762
enabled_any $PROTOCOL_LIST     && enable protocols
2763

    
2764
enabled_any $THREADS_LIST      && enable threads
2765

    
2766
check_deps $CONFIG_LIST       \
2767
           $CONFIG_EXTRA      \
2768
           $HAVE_LIST         \
2769
           $DECODER_LIST      \
2770
           $ENCODER_LIST      \
2771
           $HWACCEL_LIST      \
2772
           $PARSER_LIST       \
2773
           $BSF_LIST          \
2774
           $DEMUXER_LIST      \
2775
           $MUXER_LIST        \
2776
           $FILTER_LIST       \
2777
           $INDEV_LIST        \
2778
           $OUTDEV_LIST       \
2779
           $PROTOCOL_LIST     \
2780

    
2781
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2782

    
2783
echo "install prefix            $prefix"
2784
echo "source path               $source_path"
2785
echo "C compiler                $cc"
2786
echo ".align is power-of-two    $asmalign_pot"
2787
echo "ARCH                      $arch ($cpu)"
2788
if test "$build_suffix" != ""; then
2789
    echo "build suffix              $build_suffix"
2790
fi
2791
if test "$extra_version" != ""; then
2792
    echo "version string suffix     $extra_version"
2793
fi
2794
echo "big-endian                ${bigendian-no}"
2795
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2796
if enabled x86; then
2797
    echo "yasm                      ${yasm-no}"
2798
    echo "MMX enabled               ${mmx-no}"
2799
    echo "MMX2 enabled              ${mmx2-no}"
2800
    echo "3DNow! enabled            ${amd3dnow-no}"
2801
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2802
    echo "SSE enabled               ${sse-no}"
2803
    echo "SSSE3 enabled             ${ssse3-no}"
2804
    echo "CMOV enabled              ${cmov-no}"
2805
    echo "CMOV is fast              ${fast_cmov-no}"
2806
    echo "EBX available             ${ebx_available-no}"
2807
    echo "EBP available             ${ebp_available-no}"
2808
    echo "10 operands supported     ${ten_operands-no}"
2809
fi
2810
if enabled arm; then
2811
    echo "ARMv5TE enabled           ${armv5te-no}"
2812
    echo "ARMv6 enabled             ${armv6-no}"
2813
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2814
    echo "ARM VFP enabled           ${armvfp-no}"
2815
    echo "IWMMXT enabled            ${iwmmxt-no}"
2816
    echo "NEON enabled              ${neon-no}"
2817
fi
2818
if enabled mips; then
2819
    echo "MMI enabled               ${mmi-no}"
2820
fi
2821
if enabled ppc; then
2822
    echo "AltiVec enabled           ${altivec-no}"
2823
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2824
    echo "dcbzl available           ${dcbzl-no}"
2825
    echo "performance report        ${powerpc_perf-no}"
2826
fi
2827
if enabled sparc; then
2828
    echo "VIS enabled               ${vis-no}"
2829
fi
2830
echo "gprof enabled             ${gprof-no}"
2831
echo "debug symbols             ${debug-no}"
2832
echo "strip symbols             ${stripping-no}"
2833
echo "optimizations             ${optimizations-no}"
2834
echo "static                    ${static-no}"
2835
echo "shared                    ${shared-no}"
2836
echo "postprocessing support    ${postproc-no}"
2837
echo "new filter support        ${avfilter-no}"
2838
echo "filters using lavformat   ${avfilter_lavf-no}"
2839
echo "network support           ${network-no}"
2840
echo "threading support         ${thread_type-no}"
2841
echo "SDL support               ${sdl-no}"
2842
echo "Sun medialib support      ${mlib-no}"
2843
echo "AVISynth enabled          ${avisynth-no}"
2844
echo "libdc1394 support         ${libdc1394-no}"
2845
echo "libdirac enabled          ${libdirac-no}"
2846
echo "libfaac enabled           ${libfaac-no}"
2847
echo "libfaad enabled           ${libfaad-no}"
2848
echo "libfaad dlopened          ${libfaadbin-no}"
2849
echo "libgsm enabled            ${libgsm-no}"
2850
echo "libmp3lame enabled        ${libmp3lame-no}"
2851
echo "libnut enabled            ${libnut-no}"
2852
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2853
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2854
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2855
echo "libschroedinger enabled   ${libschroedinger-no}"
2856
echo "libspeex enabled          ${libspeex-no}"
2857
echo "libtheora enabled         ${libtheora-no}"
2858
echo "libvorbis enabled         ${libvorbis-no}"
2859
echo "libx264 enabled           ${libx264-no}"
2860
echo "libxvid enabled           ${libxvid-no}"
2861
echo "zlib enabled              ${zlib-no}"
2862
echo "bzlib enabled             ${bzlib-no}"
2863
echo
2864

    
2865
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2866
    echo "Enabled ${type}s:"
2867
    eval list=\$$(toupper $type)_LIST
2868
    for part in $list; do
2869
        enabled $part && echo ${part%_*}
2870
    done | sort | pr -3 -t
2871
    echo
2872
done
2873

    
2874
license="LGPL version 2.1 or later"
2875
if enabled nonfree; then
2876
    license="nonfree and unredistributable"
2877
elif enabled gplv3; then
2878
    license="GPL version 3 or later"
2879
elif enabled lgplv3; then
2880
    license="LGPL version 3 or later"
2881
elif enabled gpl; then
2882
    license="GPL version 2 or later"
2883
fi
2884

    
2885
echo "License: $license"
2886

    
2887
echo "Creating config.mak and config.h..."
2888

    
2889
# build tree in object directory if source path is different from current one
2890
if enabled source_path_used; then
2891
    DIRS="
2892
        doc
2893
        libavcodec
2894
        libavcodec/$arch
2895
        libavdevice
2896
        libavfilter
2897
        libavformat
2898
        libavutil
2899
        libavutil/$arch
2900
        libpostproc
2901
        libswscale
2902
        libswscale/$arch
2903
        tests
2904
        tools
2905
    "
2906
    FILES="
2907
        Makefile
2908
        common.mak
2909
        subdir.mak
2910
        doc/texi2pod.pl
2911
        libavcodec/Makefile
2912
        libavdevice/Makefile
2913
        libavfilter/Makefile
2914
        libavformat/Makefile
2915
        libavutil/Makefile
2916
        libpostproc/Makefile
2917
        libswscale/Makefile
2918
    "
2919
    for dir in $DIRS ; do
2920
        mkdir -p $dir
2921
    done
2922
    for f in $FILES ; do
2923
        $ln_s "$source_path/$f" $f
2924
    done
2925
fi
2926

    
2927
enabled stripping || strip="echo skipping strip"
2928

    
2929
cat > config.mak <<EOF
2930
# Automatically generated by configure - do not modify!
2931
ifndef FFMPEG_CONFIG_MAK
2932
FFMPEG_CONFIG_MAK=1
2933
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2934
prefix=$prefix
2935
LIBDIR=\$(DESTDIR)$libdir
2936
SHLIBDIR=\$(DESTDIR)$shlibdir
2937
INCDIR=\$(DESTDIR)$incdir
2938
BINDIR=\$(DESTDIR)$bindir
2939
DATADIR=\$(DESTDIR)$datadir
2940
MANDIR=\$(DESTDIR)$mandir
2941
SRC_PATH="$source_path"
2942
SRC_PATH_BARE=$source_path
2943
BUILD_ROOT="$PWD"
2944
ARCH=$arch
2945
CC=$cc
2946
AS=$as
2947
LD=$ld
2948
DEPCC=$dep_cc
2949
YASM=$yasmexe
2950
AR=$ar
2951
RANLIB=$ranlib
2952
LN_S=$ln_s
2953
STRIP=$strip
2954
CPPFLAGS=$CPPFLAGS
2955
CFLAGS=$CFLAGS
2956
ASFLAGS=$ASFLAGS
2957
CC_O=$CC_O
2958
LDFLAGS=$LDFLAGS
2959
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2960
SHFLAGS=$SHFLAGS
2961
YASMFLAGS=$YASMFLAGS
2962
BUILDSUF=$build_suffix
2963
FULLNAME=$FULLNAME
2964
LIBPREF=$LIBPREF
2965
LIBSUF=$LIBSUF
2966
LIBNAME=$LIBNAME
2967
SLIBPREF=$SLIBPREF
2968
SLIBSUF=$SLIBSUF
2969
EXESUF=$EXESUF
2970
EXTRA_VERSION=$extra_version
2971
DEPFLAGS=$DEPFLAGS
2972
CCDEP=$CCDEP
2973
ASDEP=$ASDEP
2974
CC_DEPFLAGS=$CC_DEPFLAGS
2975
AS_DEPFLAGS=$AS_DEPFLAGS
2976
HOSTCC=$host_cc
2977
HOSTCFLAGS=$host_cflags
2978
HOSTEXESUF=$HOSTEXESUF
2979
HOSTLDFLAGS=$host_ldflags
2980
HOSTLIBS=$host_libs
2981
TARGET_EXEC=$target_exec
2982
TARGET_PATH=$target_path
2983
SDL_LIBS=$sdl_libs
2984
SDL_CFLAGS=$sdl_cflags
2985
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2986
EXTRALIBS=$extralibs
2987
EOF
2988

    
2989
get_version(){
2990
    name=$1
2991
    file=$source_path/$2
2992
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2993
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2994
    lcname=$(tolower $name)
2995
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2996
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2997
}
2998

    
2999
get_version LIBSWSCALE  libswscale/swscale.h
3000
get_version LIBPOSTPROC libpostproc/postprocess.h
3001
get_version LIBAVCODEC  libavcodec/avcodec.h
3002
get_version LIBAVDEVICE libavdevice/avdevice.h
3003
get_version LIBAVFORMAT libavformat/avformat.h
3004
get_version LIBAVUTIL   libavutil/avutil.h
3005
get_version LIBAVFILTER libavfilter/avfilter.h
3006

    
3007
enabled shared && cat >> config.mak <<EOF
3008
LIBTARGET=${LIBTARGET}
3009
SLIBNAME=${SLIBNAME}
3010
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3011
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3012
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3013
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3014
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3015
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3016
EOF
3017

    
3018
enabled asmalign_pot || align_shift="1 <<"
3019

    
3020
cat > $TMPH <<EOF
3021
/* Automatically generated by configure - do not modify! */
3022
#ifndef FFMPEG_CONFIG_H
3023
#define FFMPEG_CONFIG_H
3024
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3025
#define FFMPEG_LICENSE "$(c_escape $license)"
3026
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3027
#define CC_TYPE "$cc_type"
3028
#define CC_VERSION $cc_version
3029
#define restrict $_restrict
3030
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3031
#define EXTERN_PREFIX "${extern_prefix}"
3032
#define EXTERN_ASM ${extern_prefix}
3033
EOF
3034

    
3035
test -n "$malloc_prefix" &&
3036
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3037

    
3038
if enabled small || disabled optimizations; then
3039
    echo "#define av_always_inline"  >> $TMPH
3040
fi
3041

    
3042
print_config ARCH_   $TMPH config.mak $ARCH_LIST
3043
print_config HAVE_   $TMPH config.mak $HAVE_LIST
3044
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3045
                                      $CONFIG_EXTRA      \
3046
                                      $DECODER_LIST      \
3047
                                      $ENCODER_LIST      \
3048
                                      $HWACCEL_LIST      \
3049
                                      $PARSER_LIST       \
3050
                                      $BSF_LIST          \
3051
                                      $DEMUXER_LIST      \
3052
                                      $MUXER_LIST        \
3053
                                      $FILTER_LIST       \
3054
                                      $PROTOCOL_LIST     \
3055
                                      $INDEV_LIST        \
3056
                                      $OUTDEV_LIST       \
3057

    
3058
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3059
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3060

    
3061
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3062
cp_if_changed $TMPH config.h
3063

    
3064
cat > $TMPH <<EOF
3065
/* Generated by ffconf */
3066
#ifndef AVUTIL_AVCONFIG_H
3067
#define AVUTIL_AVCONFIG_H
3068
EOF
3069

    
3070
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3071

    
3072
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3073

    
3074
cp_if_changed $TMPH libavutil/avconfig.h
3075

    
3076
# build pkg-config files
3077

    
3078
pkgconfig_generate(){
3079
name=$1
3080
shortname=${name#lib}${build_suffix}
3081
comment=$2
3082
version=$3
3083
libs=$4
3084
requires=$5
3085
cat <<EOF > $name/$name.pc
3086
prefix=$prefix
3087
exec_prefix=\${prefix}
3088
libdir=$libdir
3089
includedir=$incdir
3090

    
3091
Name: $name
3092
Description: $comment
3093
Version: $version
3094
Requires: $(enabled shared || echo $requires)
3095
Requires.private: $(enabled shared && echo $requires)
3096
Conflicts:
3097
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3098
Libs.private: $(enabled shared && echo $libs)
3099
Cflags: -I\${includedir}
3100
EOF
3101
cat <<EOF > $name/$name-uninstalled.pc
3102
prefix=
3103
exec_prefix=
3104
libdir=\${pcfiledir}
3105
includedir=${source_path}
3106

    
3107
Name: $name
3108
Description: $comment
3109
Version: $version
3110
Requires: $requires
3111
Conflicts:
3112
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3113
Cflags: -I\${includedir}
3114
EOF
3115
}
3116

    
3117
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3118
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3119
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3120
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3121
enabled avfilter &&
3122
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3123
enabled postproc &&
3124
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3125
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"