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#!/bin/sh
2
#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
9

    
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
56

    
57
show_help(){
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cat <<EOF
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Usage: configure [options]
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Options: [defaults in brackets after descriptions]
61

    
62
Standard options:
63
  --help                   print this message
64
  --logfile=FILE           log tests and output to FILE [config.log]
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  --disable-logging        do not log configure debug information
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  --prefix=PREFIX          install in PREFIX [$prefix]
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  --bindir=DIR             install binaries in DIR [PREFIX/bin]
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  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
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  --libdir=DIR             install libs in DIR [PREFIX/lib]
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  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
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  --incdir=DIR             install includes in DIR [PREFIX/include]
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  --mandir=DIR             install man page in DIR [PREFIX/share/man]
73

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
82
  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
84
  --disable-ffplay         disable ffplay build
85
  --disable-ffprobe        disable ffprobe build
86
  --disable-ffserver       disable ffserver build
87
  --disable-avdevice       disable libavdevice build
88
  --disable-avcodec        disable libavcodec build
89
  --disable-avcore         disable libavcore build
90
  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
92
  --enable-postproc        enable GPLed postprocessing support [no]
93
  --disable-avfilter       disable video filter support [no]
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  --disable-pthreads       disable pthreads [auto]
95
  --enable-w32threads      use Win32 threads [no]
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  --enable-x11grab         enable X11 grabbing [no]
97
  --disable-network        disable network support [no]
98
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
99
  --enable-gray            enable full grayscale support (slower color)
100
  --disable-swscale-alpha  disable alpha channel support in swscale
101
  --disable-fastdiv        disable table-based division
102
  --enable-small           optimize for size instead of speed
103
  --disable-aandct         disable AAN DCT code
104
  --disable-dct            disable DCT code
105
  --disable-fft            disable FFT code
106
  --disable-golomb         disable Golomb code
107
  --disable-huffman        disable Huffman code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
114
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
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  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --disable-everything     disable all components listed below
118
  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
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  --enable-decoder=NAME    enable decoder NAME
123
  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
144
  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

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

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

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

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

    
252
quotes='""'
253

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
929
THREADS_LIST='
930
    pthreads
931
    w32threads
932
'
933

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

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

    
977
HAVE_LIST_PUB='
978
    bigendian
979
    fast_unaligned
980
'
981

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

    
1080
# options emitted with CONFIG_ prefix but not available on command line
1081
CONFIG_EXTRA="
1082
    avutil
1083
    gplv3
1084
    lgplv3
1085
"
1086

    
1087
CMDLINE_SELECT="
1088
    $ARCH_EXT_LIST
1089
    $CONFIG_LIST
1090
    $THREADS_LIST
1091
    asm
1092
    cross_compile
1093
    debug
1094
    extra_warnings
1095
    logging
1096
    optimizations
1097
    stripping
1098
    yasm
1099
"
1100

    
1101
PATHS_LIST='
1102
    bindir
1103
    datadir
1104
    incdir
1105
    libdir
1106
    mandir
1107
    prefix
1108
    shlibdir
1109
'
1110

    
1111
CMDLINE_SET="
1112
    $PATHS_LIST
1113
    ar
1114
    arch
1115
    as
1116
    build_suffix
1117
    cc
1118
    cpu
1119
    cross_prefix
1120
    dep_cc
1121
    extra_version
1122
    host_cc
1123
    host_cflags
1124
    host_ldflags
1125
    host_libs
1126
    host_os
1127
    ld
1128
    logfile
1129
    malloc_prefix
1130
    nm
1131
    samples
1132
    source_path
1133
    strip
1134
    sysinclude
1135
    sysroot
1136
    target_exec
1137
    target_os
1138
    target_path
1139
"
1140

    
1141
CMDLINE_APPEND="
1142
    extra_cflags
1143
"
1144

    
1145
# code dependency declarations
1146

    
1147
# architecture extensions
1148

    
1149
armv5te_deps="arm"
1150
armv6_deps="arm"
1151
armv6t2_deps="arm"
1152
armvfp_deps="arm"
1153
iwmmxt_deps="arm"
1154
neon_deps="arm"
1155

    
1156
mmi_deps="mips"
1157

    
1158
altivec_deps="ppc"
1159
ppc4xx_deps="ppc"
1160

    
1161
vis_deps="sparc"
1162

    
1163
x86_64_suggest="cmov fast_cmov"
1164
amd3dnow_deps="mmx"
1165
amd3dnowext_deps="amd3dnow"
1166
mmx_deps="x86"
1167
mmx2_deps="mmx"
1168
sse_deps="mmx"
1169
ssse3_deps="sse"
1170

    
1171
aligned_stack_if_any="ppc x86"
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
symver_if_any="symver_asm_label symver_gnu_asm"
1180

    
1181
# subsystems
1182
dct_select="rdft"
1183
mdct_select="fft"
1184
rdft_select="fft"
1185

    
1186
# decoders / encoders / hardware accelerators
1187
aac_decoder_select="mdct rdft"
1188
aac_encoder_select="mdct"
1189
ac3_decoder_select="mdct ac3_parser"
1190
alac_encoder_select="lpc"
1191
amrnb_decoder_select="lsp"
1192
atrac1_decoder_select="mdct"
1193
atrac3_decoder_select="mdct"
1194
binkaudio_dct_decoder_select="mdct rdft dct"
1195
binkaudio_rdft_decoder_select="mdct rdft"
1196
cavs_decoder_select="golomb"
1197
cook_decoder_select="mdct"
1198
cscd_decoder_suggest="zlib"
1199
dca_decoder_select="mdct"
1200
dnxhd_encoder_select="aandct"
1201
dxa_decoder_select="zlib"
1202
eac3_decoder_select="ac3_decoder"
1203
eamad_decoder_select="aandct"
1204
eatgq_decoder_select="aandct"
1205
eatqi_decoder_select="aandct"
1206
ffv1_decoder_select="golomb"
1207
flac_decoder_select="golomb"
1208
flac_encoder_select="golomb lpc"
1209
flashsv_decoder_select="zlib"
1210
flashsv_encoder_select="zlib"
1211
flv_decoder_select="h263_decoder"
1212
flv_encoder_select="h263_encoder"
1213
fraps_decoder_select="huffman"
1214
h261_encoder_select="aandct"
1215
h263_decoder_select="h263_parser"
1216
h263_encoder_select="aandct"
1217
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1218
h263i_decoder_select="h263_decoder"
1219
h263p_encoder_select="h263_encoder"
1220
h264_decoder_select="golomb h264dsp h264pred"
1221
h264_dxva2_hwaccel_deps="dxva2api_h"
1222
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1223
h264_vaapi_hwaccel_select="vaapi"
1224
h264_vdpau_decoder_select="vdpau h264_decoder"
1225
imc_decoder_select="fft mdct"
1226
jpegls_decoder_select="golomb"
1227
jpegls_encoder_select="golomb"
1228
ljpeg_encoder_select="aandct"
1229
loco_decoder_select="golomb"
1230
mjpeg_encoder_select="aandct"
1231
mlp_decoder_select="mlp_parser"
1232
mp1float_decoder_select="dct"
1233
mp2float_decoder_select="dct"
1234
mp3adufloat_decoder_select="dct"
1235
mp3float_decoder_select="dct"
1236
mp3on4float_decoder_select="dct"
1237
mpeg1video_encoder_select="aandct"
1238
mpeg2video_encoder_select="aandct"
1239
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1240
mpeg4_encoder_select="h263_encoder"
1241
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1242
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1243
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1244
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1245
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1246
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1247
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1248
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1249
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1250
msmpeg4v1_decoder_select="h263_decoder"
1251
msmpeg4v1_encoder_select="h263_encoder"
1252
msmpeg4v2_decoder_select="h263_decoder"
1253
msmpeg4v2_encoder_select="h263_encoder"
1254
msmpeg4v3_decoder_select="h263_decoder"
1255
msmpeg4v3_encoder_select="h263_encoder"
1256
nellymoser_decoder_select="mdct"
1257
nellymoser_encoder_select="mdct"
1258
png_decoder_select="zlib"
1259
png_encoder_select="zlib"
1260
qcelp_decoder_select="lsp"
1261
qdm2_decoder_select="mdct rdft"
1262
ra_144_encoder_select="lpc"
1263
rv10_decoder_select="h263_decoder"
1264
rv10_encoder_select="h263_encoder"
1265
rv20_decoder_select="h263_decoder"
1266
rv20_encoder_select="h263_encoder"
1267
rv30_decoder_select="golomb h264pred"
1268
rv40_decoder_select="golomb h264pred"
1269
shorten_decoder_select="golomb"
1270
sipr_decoder_select="lsp"
1271
snow_decoder_select="dwt"
1272
snow_encoder_select="aandct dwt"
1273
sonic_decoder_select="golomb"
1274
sonic_encoder_select="golomb"
1275
sonic_ls_encoder_select="golomb"
1276
svq1_encoder_select="aandct"
1277
svq3_decoder_select="golomb h264dsp h264pred"
1278
svq3_decoder_suggest="zlib"
1279
theora_decoder_select="vp3_decoder"
1280
tiff_decoder_suggest="zlib"
1281
tiff_encoder_suggest="zlib"
1282
truehd_decoder_select="mlp_decoder"
1283
tscc_decoder_select="zlib"
1284
twinvq_decoder_select="mdct lsp"
1285
vc1_decoder_select="h263_decoder"
1286
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1287
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1288
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1289
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1290
vorbis_decoder_select="mdct"
1291
vorbis_encoder_select="mdct"
1292
vp6_decoder_select="huffman"
1293
vp6a_decoder_select="vp6_decoder"
1294
vp6f_decoder_select="vp6_decoder"
1295
vp8_decoder_select="h264pred"
1296
wmapro_decoder_select="mdct"
1297
wmav1_decoder_select="mdct"
1298
wmav1_encoder_select="mdct"
1299
wmav2_decoder_select="mdct"
1300
wmav2_encoder_select="mdct"
1301
wmavoice_decoder_select="lsp rdft dct mdct"
1302
wmv1_decoder_select="h263_decoder"
1303
wmv1_encoder_select="h263_encoder"
1304
wmv2_decoder_select="h263_decoder"
1305
wmv2_encoder_select="h263_encoder"
1306
wmv3_decoder_select="vc1_decoder"
1307
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1308
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1309
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1310
zlib_decoder_select="zlib"
1311
zlib_encoder_select="zlib"
1312
zmbv_decoder_select="zlib"
1313
zmbv_encoder_select="zlib"
1314

    
1315
vaapi_deps="va_va_h"
1316
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1317

    
1318
# parsers
1319
h264_parser_select="golomb h264dsp h264pred"
1320

    
1321
# external libraries
1322
libdirac_decoder_deps="libdirac !libschroedinger"
1323
libdirac_encoder_deps="libdirac"
1324
libfaac_encoder_deps="libfaac"
1325
libgsm_decoder_deps="libgsm"
1326
libgsm_encoder_deps="libgsm"
1327
libgsm_ms_decoder_deps="libgsm"
1328
libgsm_ms_encoder_deps="libgsm"
1329
libmp3lame_encoder_deps="libmp3lame"
1330
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1331
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1332
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1333
libopenjpeg_decoder_deps="libopenjpeg"
1334
libschroedinger_decoder_deps="libschroedinger"
1335
libschroedinger_encoder_deps="libschroedinger"
1336
libspeex_decoder_deps="libspeex"
1337
libtheora_encoder_deps="libtheora"
1338
libvorbis_encoder_deps="libvorbis"
1339
libvpx_decoder_deps="libvpx"
1340
libvpx_encoder_deps="libvpx"
1341
libx264_encoder_deps="libx264"
1342
libxavs_encoder_deps="libxavs"
1343
libxvid_encoder_deps="libxvid"
1344

    
1345
# demuxers / muxers
1346
ac3_demuxer_deps="ac3_parser"
1347
asf_stream_muxer_select="asf_muxer"
1348
avisynth_demuxer_deps="avisynth"
1349
dirac_demuxer_deps="dirac_parser"
1350
eac3_demuxer_select="ac3_parser"
1351
ipod_muxer_select="mov_muxer"
1352
libnut_demuxer_deps="libnut"
1353
libnut_muxer_deps="libnut"
1354
matroska_audio_muxer_select="matroska_muxer"
1355
matroska_demuxer_suggest="zlib bzlib"
1356
mov_demuxer_suggest="zlib"
1357
mp3_demuxer_deps="mpegaudio_parser"
1358
mp4_muxer_select="mov_muxer"
1359
mpegtsraw_demuxer_select="mpegts_demuxer"
1360
mxf_d10_muxer_select="mxf_muxer"
1361
ogg_demuxer_select="golomb"
1362
psp_muxer_select="mov_muxer"
1363
rtsp_demuxer_deps="sdp_demuxer"
1364
rtsp_muxer_deps="sdp_demuxer"
1365
rtsp_muxer_select="rtp_muxer"
1366
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1367
sdp_demuxer_select="asf_demuxer rm_demuxer"
1368
spdif_muxer_select="aac_parser"
1369
tg2_muxer_select="mov_muxer"
1370
tgp_muxer_select="mov_muxer"
1371
w64_demuxer_deps="wav_demuxer"
1372

    
1373
# indevs / outdevs
1374
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1375
alsa_outdev_deps="alsa_asoundlib_h"
1376
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1377
dv1394_indev_deps="dv1394 dv_demuxer"
1378
jack_indev_deps="jack_jack_h"
1379
libdc1394_indev_deps="libdc1394"
1380
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1381
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1382
v4l_indev_deps="linux_videodev_h"
1383
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1384
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1385
vfwcap_indev_extralibs="-lavicap32"
1386
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1387
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1388

    
1389
# filters
1390
frei0r_filter_deps="frei0r dlopen strtok_r"
1391

    
1392
# protocols
1393
gopher_protocol_deps="network"
1394
http_protocol_deps="network"
1395
http_protocol_select="tcp_protocol"
1396
mmsh_protocol_select="http_protocol"
1397
mmst_protocol_deps="network"
1398
rtmp_protocol_select="tcp_protocol"
1399
rtp_protocol_select="udp_protocol"
1400
tcp_protocol_deps="network"
1401
udp_protocol_deps="network"
1402

    
1403
# filters
1404
ocv_smooth_filter_deps="libopencv"
1405

    
1406
# libraries
1407
avdevice_deps="avcodec avformat"
1408
avformat_deps="avcodec"
1409

    
1410
# programs
1411
ffmpeg_deps="avcodec avformat swscale"
1412
ffmpeg_select="buffer_filter"
1413
ffplay_deps="avcodec avformat swscale sdl"
1414
ffplay_select="rdft"
1415
ffprobe_deps="avcodec avformat"
1416
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1417
ffserver_extralibs='$ldl'
1418

    
1419
doc_deps="texi2html"
1420

    
1421
# tests
1422

    
1423
test_deps(){
1424
    suf1=$1
1425
    suf2=$2
1426
    shift 2
1427
    for v; do
1428
        dep=${v%=*}
1429
        tests=${v#*=}
1430
        for name in ${tests}; do
1431
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1432
        done
1433
    done
1434
}
1435

    
1436
set_ne_test_deps(){
1437
    eval ${1}_be_test_deps="bigendian"
1438
    eval ${1}_le_test_deps="!bigendian"
1439
}
1440

    
1441
test_deps _encoder _decoder                                             \
1442
    ac3                                                                 \
1443
    adpcm_g726=g726                                                     \
1444
    adpcm_ima_qt                                                        \
1445
    adpcm_ima_wav                                                       \
1446
    adpcm_ms                                                            \
1447
    adpcm_swf                                                           \
1448
    adpcm_yamaha=adpcm_yam                                              \
1449
    alac                                                                \
1450
    asv1                                                                \
1451
    asv2                                                                \
1452
    bmp                                                                 \
1453
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1454
    dvvideo="dv dv50"                                                   \
1455
    ffv1                                                                \
1456
    flac                                                                \
1457
    flashsv                                                             \
1458
    flv                                                                 \
1459
    gif                                                                 \
1460
    h261                                                                \
1461
    h263="h263 h263p"                                                   \
1462
    huffyuv                                                             \
1463
    jpegls                                                              \
1464
    mjpeg="jpg mjpeg ljpeg"                                             \
1465
    mp2                                                                 \
1466
    mpeg1video="mpeg mpeg1b"                                            \
1467
    mpeg2video="mpeg2 mpeg2thread"                                      \
1468
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1469
    msmpeg4v3=msmpeg4                                                   \
1470
    msmpeg4v2                                                           \
1471
    pbm=pbmpipe                                                         \
1472
    pcx                                                                 \
1473
    pgm="pgm pgmpipe"                                                   \
1474
    ppm="ppm ppmpipe"                                                   \
1475
    rawvideo="rgb yuv"                                                  \
1476
    roq                                                                 \
1477
    rv10                                                                \
1478
    rv20                                                                \
1479
    sgi                                                                 \
1480
    snow="snow snowll"                                                  \
1481
    svq1                                                                \
1482
    targa=tga                                                           \
1483
    tiff                                                                \
1484
    wmav1                                                               \
1485
    wmav2                                                               \
1486
    wmv1                                                                \
1487
    wmv2                                                                \
1488

    
1489
test_deps _muxer _demuxer                                               \
1490
    aiff                                                                \
1491
    pcm_alaw=alaw                                                       \
1492
    asf                                                                 \
1493
    au                                                                  \
1494
    avi                                                                 \
1495
    dv=dv_fmt                                                           \
1496
    ffm                                                                 \
1497
    flv=flv_fmt                                                         \
1498
    gxf                                                                 \
1499
    matroska=mkv                                                        \
1500
    mmf                                                                 \
1501
    mov                                                                 \
1502
    pcm_mulaw=mulaw                                                     \
1503
    mxf                                                                 \
1504
    nut                                                                 \
1505
    ogg                                                                 \
1506
    rawvideo=pixfmt                                                     \
1507
    rm                                                                  \
1508
    swf                                                                 \
1509
    mpegts=ts                                                           \
1510
    voc                                                                 \
1511
    wav                                                                 \
1512
    yuv4mpegpipe=yuv4mpeg                                               \
1513

    
1514
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1515

    
1516
set_ne_test_deps pixdesc
1517
set_ne_test_deps pixfmts_crop
1518
set_ne_test_deps pixfmts_hflip
1519
set_ne_test_deps pixfmts_null
1520
set_ne_test_deps pixfmts_pad
1521
set_ne_test_deps pixfmts_scale
1522
set_ne_test_deps pixfmts_vflip
1523

    
1524
# default parameters
1525

    
1526
logfile="config.log"
1527

    
1528
# installation paths
1529
prefix_default="/usr/local"
1530
bindir_default='${prefix}/bin'
1531
datadir_default='${prefix}/share/ffmpeg'
1532
incdir_default='${prefix}/include'
1533
libdir_default='${prefix}/lib'
1534
mandir_default='${prefix}/share/man'
1535
shlibdir_default="$libdir_default"
1536

    
1537
# toolchain
1538
ar_default="ar"
1539
cc_default="gcc"
1540
cc_version=\"unknown\"
1541
host_cc_default="gcc"
1542
ln_s="ln -sf"
1543
nm_default="nm"
1544
objformat="elf"
1545
ranlib="ranlib"
1546
strip_default="strip"
1547
yasmexe="yasm"
1548
nogas=":"
1549

    
1550
nm_opts='-g'
1551

    
1552
# machine
1553
arch_default=$(uname -m)
1554
cpu="generic"
1555

    
1556
# OS
1557
target_os_default=$(tolower $(uname -s))
1558
host_os=$target_os_default
1559

    
1560
# configurable options
1561
enable avcodec
1562
enable avcore
1563
enable avdevice
1564
enable avfilter
1565
enable avformat
1566
enable avutil
1567
enable asm
1568
enable debug
1569
enable doc
1570
enable fastdiv
1571
enable ffmpeg
1572
enable ffplay
1573
enable ffprobe
1574
enable ffserver
1575
enable mpegaudio_hp
1576
enable network
1577
enable optimizations
1578
enable protocols
1579
enable static
1580
enable stripping
1581
enable swscale
1582
enable swscale_alpha
1583

    
1584
# build settings
1585
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1586
FFSERVERLDFLAGS=-Wl,-E
1587
LIBPREF="lib"
1588
LIBSUF=".a"
1589
FULLNAME='$(NAME)$(BUILDSUF)'
1590
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1591
SLIBPREF="lib"
1592
SLIBSUF=".so"
1593
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1594
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1595
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1596
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1597

    
1598
CC_O='-o $@'
1599

    
1600
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1601
host_libs='-lm'
1602

    
1603
target_path='$(CURDIR)'
1604

    
1605
# since the object filename is not given with the -MM flag, the compiler
1606
# is only able to print the basename, and we must add the path ourselves
1607
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1608
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1609

    
1610
# find source path
1611
source_path="$(dirname "$0")"
1612
enable source_path_used
1613
if test -f configure; then
1614
    source_path="$(pwd)"
1615
    disable source_path_used
1616
else
1617
    source_path="$(cd "$source_path"; pwd)"
1618
    echo "$source_path" | grep -q '[[:blank:]]' &&
1619
        die "Out of tree builds are impossible with whitespace in source path."
1620
    test -e "$source_path/config.h" &&
1621
        die "Out of tree builds are impossible with config.h in source dir."
1622
fi
1623

    
1624
for v in "$@"; do
1625
    r=${v#*=}
1626
    l=${v%"$r"}
1627
    r=$(sh_quote "$r")
1628
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1629
done
1630

    
1631
find_things(){
1632
    thing=$1
1633
    pattern=$2
1634
    file=$source_path/$3
1635
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1636
}
1637

    
1638
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1639
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1640
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1641
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1642
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1643
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1644
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1645
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1646
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1647
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1648
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1649

    
1650
find_tests(){
1651
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1652
}
1653

    
1654
ACODEC_TESTS=$(find_tests acodec)
1655
VCODEC_TESTS=$(find_tests vsynth1)
1656
LAVF_TESTS=$(find_tests lavf)
1657
LAVFI_TESTS=$(find_tests lavfi)
1658
SEEK_TESTS=$(find_tests seek seek_)
1659

    
1660
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1661

    
1662
for n in $COMPONENT_LIST; do
1663
    v=$(toupper ${n%s})_LIST
1664
    eval enable \$$v
1665
    eval ${n}_if_any="\$$v"
1666
done
1667

    
1668
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1669

    
1670
die_unknown(){
1671
    echo "Unknown option \"$1\"."
1672
    echo "See $0 --help for available options."
1673
    exit 1
1674
}
1675

    
1676
show_list() {
1677
    suffix=_$1
1678
    shift
1679
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1680
    exit 0
1681
}
1682

    
1683
for opt do
1684
    optval="${opt#*=}"
1685
    case "$opt" in
1686
    --extra-ldflags=*) add_ldflags $optval
1687
    ;;
1688
    --extra-libs=*) add_extralibs $optval
1689
    ;;
1690
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1691
    ;;
1692
    --enable-debug=*) debuglevel="$optval"
1693
    ;;
1694
    --disable-everything)
1695
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1696
    ;;
1697
    --enable-*=*|--disable-*=*)
1698
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1699
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1700
    eval list=\$$(toupper $thing)_LIST
1701
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1702
    $action $(filter "$name" $list)
1703
    ;;
1704
    --enable-?*|--disable-?*)
1705
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1706
    if is_in $option $COMPONENT_LIST; then
1707
        test $action = disable && action=unset
1708
        eval $action \$$(toupper ${option%s})_LIST
1709
    elif is_in $option $CMDLINE_SELECT; then
1710
        $action $option
1711
    else
1712
        die_unknown $opt
1713
    fi
1714
    ;;
1715
    --list-*)
1716
        NAME="${opt#--list-}"
1717
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1718
        NAME=${NAME%s}
1719
        eval show_list $NAME \$$(toupper $NAME)_LIST
1720
    ;;
1721
    --help|-h) show_help
1722
    ;;
1723
    *)
1724
    optname="${opt%%=*}"
1725
    optname="${optname#--}"
1726
    optname=$(echo "$optname" | sed 's/-/_/g')
1727
    if is_in $optname $CMDLINE_SET; then
1728
        eval $optname='$optval'
1729
    elif is_in $optname $CMDLINE_APPEND; then
1730
        append $optname "$optval"
1731
    else
1732
         die_unknown $opt
1733
    fi
1734
    ;;
1735
    esac
1736
done
1737

    
1738
disabled logging && logfile=/dev/null
1739

    
1740
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1741
set >> $logfile
1742

    
1743
test -n "$cross_prefix" && enable cross_compile
1744

    
1745
if enabled cross_compile; then
1746
    test -n "$arch" && test -n "$target_os" ||
1747
        die "Must specify target arch and OS when cross-compiling"
1748
fi
1749

    
1750
set_default arch target_os
1751

    
1752
ar_default="${cross_prefix}${ar_default}"
1753
cc_default="${cross_prefix}${cc_default}"
1754
nm_default="${cross_prefix}${nm_default}"
1755
ranlib="${cross_prefix}${ranlib}"
1756
strip_default="${cross_prefix}${strip_default}"
1757

    
1758
sysinclude_default="${sysroot}/usr/include"
1759

    
1760
set_default cc nm strip sysinclude
1761
enabled cross_compile || host_cc_default=$cc
1762
set_default host_cc
1763

    
1764
exesuf() {
1765
    case $1 in
1766
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1767
    esac
1768
}
1769

    
1770
EXESUF=$(exesuf $target_os)
1771
HOSTEXESUF=$(exesuf $host_os)
1772

    
1773
# set temporary file name
1774
: ${TMPDIR:=$TEMPDIR}
1775
: ${TMPDIR:=$TMP}
1776
: ${TMPDIR:=/tmp}
1777

    
1778
if ! check_cmd type mktemp; then
1779
    # simple replacement for missing mktemp
1780
    # NOT SAFE FOR GENERAL USE
1781
    mktemp(){
1782
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1783
    }
1784
fi
1785

    
1786
tmpfile(){
1787
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1788
        (set -C; exec > $tmp) 2>/dev/null ||
1789
        die "Unable to create temporary file in $TMPDIR."
1790
    append TMPFILES $tmp
1791
    eval $1=$tmp
1792
}
1793

    
1794
trap 'rm -f -- $TMPFILES' EXIT
1795
trap exit HUP INT TERM
1796

    
1797
tmpfile TMPC  .c
1798
tmpfile TMPE  $EXESUF
1799
tmpfile TMPH  .h
1800
tmpfile TMPO  .o
1801
tmpfile TMPS  .S
1802
tmpfile TMPV  .ver
1803
tmpfile TMPSH .sh
1804
tmpfile TMPASM .asm
1805

    
1806
unset -f mktemp
1807

    
1808
# make sure we can execute files in $TMPDIR
1809
cat > $TMPSH 2>> $logfile <<EOF
1810
#! /bin/sh
1811
EOF
1812
chmod +x $TMPSH >> $logfile 2>&1
1813
if ! $TMPSH >> $logfile 2>&1; then
1814
    cat <<EOF
1815
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1816
variable to another directory and make sure that it is not mounted noexec.
1817
EOF
1818
    die "Sanity test failed."
1819
fi
1820

    
1821
filter_cflags=echo
1822
filter_cppflags=echo
1823
filter_asflags=echo
1824

    
1825
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1826
    cc_type=llvm_gcc
1827
    cc_version=__VERSION__
1828
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1829
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1830
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1831
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1832
    speed_cflags='-O3'
1833
    size_cflags='-Os'
1834
elif $cc -v 2>&1 | grep -qi ^gcc; then
1835
    cc_type=gcc
1836
    cc_version=__VERSION__
1837
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1838
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1839
    if ! $cc -dumpversion | grep -q '^2\.'; then
1840
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1841
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1842
    fi
1843
    speed_cflags='-O3'
1844
    size_cflags='-Os'
1845
elif $cc --version 2>/dev/null | grep -q Intel; then
1846
    cc_type=icc
1847
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1848
    cc_ident=$($cc --version | head -n1)
1849
    icc_version=$($cc -dumpversion)
1850
    CC_DEPFLAGS='-MMD'
1851
    AS_DEPFLAGS='-MMD'
1852
    speed_cflags='-O3'
1853
    size_cflags='-Os'
1854
    noopt_cflags='-O1'
1855
elif $cc -v 2>&1 | grep -q xlc; then
1856
    cc_type=xlc
1857
    cc_version="AV_STRINGIFY(__IBMC__)"
1858
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1859
    speed_cflags='-O5'
1860
    size_cflags='-O5 -qcompact'
1861
elif $cc -V 2>/dev/null | grep -q Compaq; then
1862
    cc_type=ccc
1863
    cc_version="AV_STRINGIFY(__DECC_VER)"
1864
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1865
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1866
    debuglevel=3
1867
    add_ldflags -Wl,-z,now # calls to libots crash without this
1868
    speed_cflags='-fast'
1869
    size_cflags='-O1'
1870
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1871
    test -d "$sysroot" || die "No valid sysroot specified."
1872
    cc_type=armcc
1873
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1874
    cc_ident=$($cc --vsn | head -n1)
1875
    armcc_conf="$PWD/armcc.conf"
1876
    $cc --arm_linux_configure                 \
1877
        --arm_linux_config_file="$armcc_conf" \
1878
        --configure_sysroot="$sysroot"        \
1879
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1880
        die "Error creating armcc configuration file."
1881
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1882
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1883
    as_default="${cross_prefix}gcc"
1884
    CC_DEPFLAGS='-MMD'
1885
    AS_DEPFLAGS='-MMD'
1886
    speed_cflags='-O3'
1887
    size_cflags='-Os'
1888
elif $cc -version 2>/dev/null | grep -q TMS470; then
1889
    cc_type=tms470
1890
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1891
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1892
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1893
    CC_O='-fr=$(@D)'
1894
    as_default="${cross_prefix}gcc"
1895
    ld_default="${cross_prefix}gcc"
1896
    TMPO=$(basename $TMPC .c).o
1897
    append TMPFILES $TMPO
1898
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1899
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1900
    AS_DEPFLAGS='-MMD'
1901
    speed_cflags='-O3 -mf=5'
1902
    size_cflags='-O3 -mf=2'
1903
    filter_cflags=tms470_flags
1904
    tms470_flags(){
1905
        for flag; do
1906
            case $flag in
1907
                -march=*|-mcpu=*)
1908
                    case "${flag#*=}" in
1909
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1910
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1911
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1912
                        armv6*|arm11*)          echo -mv=6   ;;
1913
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1914
                                                echo -mv=5e  ;;
1915
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1916
                    esac
1917
                    ;;
1918
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1919
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1920
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1921
                -msoft-float)   echo --float_support=vfplib       ;;
1922
                -O[0-3]|-mf=*)  echo $flag                        ;;
1923
                -g)             echo -g -mn                       ;;
1924
                -pds=*)         echo $flag                        ;;
1925
            esac
1926
        done
1927
    }
1928
elif $cc -v 2>&1 | grep -q clang; then
1929
    cc_type=clang
1930
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1931
        cc_version=__clang_version__ || cc_version=__VERSION__
1932
    cc_ident=$($cc --version | head -n1)
1933
    CC_DEPFLAGS='-MMD'
1934
    AS_DEPFLAGS='-MMD'
1935
    speed_cflags='-O3'
1936
    size_cflags='-Os'
1937
elif $cc -V 2>&1 | grep -q Sun; then
1938
    cc_type=suncc
1939
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1940
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1941
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1942
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1943
    speed_cflags='-O5'
1944
    size_cflags='-O5 -xspace'
1945
    filter_cflags=suncc_flags
1946
    suncc_flags(){
1947
        for flag; do
1948
            case $flag in
1949
                -march=*|-mcpu=*)
1950
                    case "${flag#*=}" in
1951
                        native)                   echo -xtarget=native       ;;
1952
                        v9|niagara)               echo -xarch=sparc          ;;
1953
                        ultrasparc)               echo -xarch=sparcvis       ;;
1954
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1955
                        i586|pentium)             echo -xchip=pentium        ;;
1956
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1957
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1958
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1959
                        pentium4*)          echo -xtarget=pentium4           ;;
1960
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1961
                        *-sse3)             echo -xarch=sse3                 ;;
1962
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1963
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1964
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1965
                        k8|opteron|athlon64|athlon-fx)
1966
                                                  echo -xarch=sse2a          ;;
1967
                        athlon*)                  echo -xarch=pentium_proa   ;;
1968
                    esac
1969
                    ;;
1970
                -std=c99)             echo -xc99              ;;
1971
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1972
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1973
                -W*,*)                echo $flag              ;;
1974
                -f*-*|-W*)                                    ;;
1975
                *)                    echo $flag              ;;
1976
            esac
1977
        done
1978
    }
1979
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1980
    cc_type=pathscale
1981
    cc_version=__PATHSCALE__
1982
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1983
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1984
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1985
    speed_cflags='-O2'
1986
    size_cflags='-Os'
1987
elif $cc -v 2>&1 | grep -q Open64; then
1988
    cc_type=open64
1989
    cc_version=__OPEN64__
1990
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1991
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1992
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1993
    speed_cflags='-O2'
1994
    size_cflags='-Os'
1995
fi
1996

    
1997
test -n "$cc_type" && enable $cc_type ||
1998
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1999

    
2000
: ${as_default:=$cc}
2001
: ${dep_cc_default:=$cc}
2002
: ${ld_default:=$cc}
2003
set_default ar as dep_cc ld
2004

    
2005
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2006
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2007

    
2008
add_cflags $extra_cflags
2009
add_asflags $extra_cflags
2010

    
2011
if test -n "$sysroot"; then
2012
    case "$cc_type" in
2013
        gcc|llvm_gcc)
2014
            add_cppflags --sysroot="$sysroot"
2015
            add_ldflags --sysroot="$sysroot"
2016
        ;;
2017
        tms470)
2018
            add_cppflags -I"$sysinclude"
2019
            add_ldflags  --sysroot="$sysroot"
2020
        ;;
2021
        clang)
2022
            add_cppflags -isysroot "$sysroot"
2023
            add_ldflags -isysroot "$sysroot"
2024
        ;;
2025
    esac
2026
fi
2027

    
2028
if test "$cpu" = host; then
2029
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2030

    
2031
    case "$cc_type" in
2032
        gcc|llvm_gcc)
2033
            check_native(){
2034
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2035
                sed -n "/$1=/{
2036
                            s/.*$1=\\([^ ]*\\).*/\\1/
2037
                            p
2038
                            q
2039
                        }" $TMPE
2040
            }
2041
            cpu=$(check_native -march || check_native -mcpu)
2042
        ;;
2043
    esac
2044

    
2045
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2046
fi
2047

    
2048
# Deal with common $arch aliases
2049
case "$arch" in
2050
    arm*)
2051
        arch="arm"
2052
    ;;
2053
    mips|mipsel|IP*)
2054
        arch="mips"
2055
    ;;
2056
    mips64*)
2057
        arch="mips"
2058
        subarch="mips64"
2059
    ;;
2060
    parisc|hppa)
2061
        arch="parisc"
2062
    ;;
2063
    parisc64|hppa64)
2064
        arch="parisc"
2065
        subarch="parisc64"
2066
    ;;
2067
    "Power Macintosh"|ppc|powerpc)
2068
        arch="ppc"
2069
    ;;
2070
    ppc64|powerpc64)
2071
        arch="ppc"
2072
        subarch="ppc64"
2073
    ;;
2074
    s390|s390x)
2075
        arch="s390"
2076
    ;;
2077
    sh4|sh)
2078
        arch="sh4"
2079
    ;;
2080
    sun4u|sparc64)
2081
        arch="sparc"
2082
        subarch="sparc64"
2083
    ;;
2084
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2085
        arch="x86"
2086
    ;;
2087
esac
2088

    
2089
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2090
enable $arch
2091

    
2092
# Add processor-specific flags
2093
if test "$cpu" = generic; then
2094
    : do nothing
2095
elif enabled ppc; then
2096

    
2097
    case $(tolower $cpu) in
2098
        601|ppc601|powerpc601)
2099
            cpuflags="-mcpu=601"
2100
            disable altivec
2101
        ;;
2102
        603*|ppc603*|powerpc603*)
2103
            cpuflags="-mcpu=603"
2104
            disable altivec
2105
        ;;
2106
        604*|ppc604*|powerpc604*)
2107
            cpuflags="-mcpu=604"
2108
            disable altivec
2109
        ;;
2110
        g3|75*|ppc75*|powerpc75*)
2111
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2112
            disable altivec
2113
        ;;
2114
        g4|745*|ppc745*|powerpc745*)
2115
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2116
        ;;
2117
        74*|ppc74*|powerpc74*)
2118
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2119
        ;;
2120
        g5|970|ppc970|powerpc970|power4*)
2121
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2122
        ;;
2123
        cell)
2124
            cpuflags="-mcpu=cell"
2125
            enable ldbrx
2126
        ;;
2127
        e500v2)
2128
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2129
            disable altivec
2130
        ;;
2131
        e500)
2132
            cpuflags="-mcpu=8540 -mhard-float"
2133
            disable altivec
2134
        ;;
2135
    esac
2136

    
2137
elif enabled x86; then
2138

    
2139
    case $cpu in
2140
        i[345]86|pentium)
2141
            cpuflags="-march=$cpu"
2142
            disable mmx
2143
        ;;
2144
        # targets that do NOT support conditional mov (cmov)
2145
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2146
            cpuflags="-march=$cpu"
2147
            disable cmov
2148
        ;;
2149
        # targets that do support conditional mov (cmov)
2150
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2151
            cpuflags="-march=$cpu"
2152
            enable cmov
2153
            enable fast_cmov
2154
        ;;
2155
        # targets that do support conditional mov but on which it's slow
2156
        pentium4|pentium4m|prescott|nocona)
2157
            cpuflags="-march=$cpu"
2158
            enable cmov
2159
            disable fast_cmov
2160
        ;;
2161
    esac
2162

    
2163
elif enabled sparc; then
2164

    
2165
    case $cpu in
2166
        niagara)
2167
            cpuflags="-mcpu=$cpu"
2168
            disable vis
2169
        ;;
2170
        sparc64)
2171
            cpuflags="-mcpu=v9"
2172
        ;;
2173
    esac
2174

    
2175
elif enabled arm; then
2176

    
2177
    case $cpu in
2178
        armv*)
2179
            cpuflags="-march=$cpu"
2180
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2181
        ;;
2182
        *)
2183
            cpuflags="-mcpu=$cpu"
2184
            case $cpu in
2185
                cortex-a*)                               subarch=armv7a  ;;
2186
                cortex-r*)                               subarch=armv7r  ;;
2187
                cortex-m*)                               subarch=armv7m  ;;
2188
                arm11*)                                  subarch=armv6   ;;
2189
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2190
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2191
            esac
2192
        ;;
2193
    esac
2194

    
2195
elif enabled alpha; then
2196

    
2197
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2198

    
2199
elif enabled bfin; then
2200

    
2201
    cpuflags="-mcpu=$cpu"
2202

    
2203
elif enabled mips; then
2204

    
2205
    cpuflags="-march=$cpu"
2206

    
2207
elif enabled avr32; then
2208

    
2209
    case $cpu in
2210
        ap7[02]0[0-2])
2211
            subarch="avr32_ap"
2212
            cpuflags="-mpart=$cpu"
2213
        ;;
2214
        ap)
2215
            subarch="avr32_ap"
2216
            cpuflags="-march=$cpu"
2217
        ;;
2218
        uc3[ab]*)
2219
            subarch="avr32_uc"
2220
            cpuflags="-mcpu=$cpu"
2221
        ;;
2222
        uc)
2223
            subarch="avr32_uc"
2224
            cpuflags="-march=$cpu"
2225
        ;;
2226
    esac
2227

    
2228
fi
2229

    
2230
add_cflags $cpuflags
2231
add_asflags $cpuflags
2232

    
2233
# compiler sanity check
2234
check_exec <<EOF
2235
int main(void){ return 0; }
2236
EOF
2237
if test "$?" != 0; then
2238
    echo "$cc is unable to create an executable file."
2239
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2240
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2241
        echo "Only do this if you know what cross compiling means."
2242
    fi
2243
    die "C compiler test failed."
2244
fi
2245

    
2246
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2247
check_cflags -std=c99
2248
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2249
#include <stdlib.h>
2250
EOF
2251
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2252
#include <stdlib.h>
2253
EOF
2254

    
2255
check_host_cflags -std=c99
2256

    
2257
case "$arch" in
2258
    alpha|ia64|mips|parisc|sparc)
2259
        spic=$shared
2260
    ;;
2261
    x86)
2262
        subarch="x86_32"
2263
        check_cc <<EOF && subarch="x86_64"
2264
        int test[(int)sizeof(char*) - 7];
2265
EOF
2266
        if test "$subarch" = "x86_64"; then
2267
            spic=$shared
2268
        fi
2269
    ;;
2270
esac
2271

    
2272
enable $subarch
2273
enabled spic && enable pic
2274

    
2275
# OS specific
2276
case $target_os in
2277
    haiku)
2278
        prefix_default="/boot/common"
2279
        network_extralibs="-lnetwork"
2280
        ;;
2281
    sunos)
2282
        FFSERVERLDFLAGS=""
2283
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2284
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2285
        network_extralibs="-lsocket -lnsl"
2286
        add_cppflags -D__EXTENSIONS__
2287
        nm_opts='-P -g'
2288
        ;;
2289
    netbsd)
2290
        oss_indev_extralibs="-lossaudio"
2291
        oss_outdev_extralibs="-lossaudio"
2292
        add_cppflags -D_XOPEN_SOURCE=600
2293
        ;;
2294
    openbsd)
2295
        enable malloc_aligned
2296
        # On OpenBSD 4.5. the compiler does not use PIC unless
2297
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2298
        # however the generated executable will not do anything
2299
        # (simply quits with exit-code 1, no crash, no output).
2300
        # Thus explicitly enable PIC here.
2301
        enable pic
2302
        SHFLAGS='-shared'
2303
        oss_indev_extralibs="-lossaudio"
2304
        oss_outdev_extralibs="-lossaudio"
2305
        ;;
2306
    freebsd|dragonfly)
2307
        enable malloc_aligned
2308
        ;;
2309
    bsd/os)
2310
        add_extralibs -lpoll -lgnugetopt
2311
        strip="strip -d"
2312
        ;;
2313
    darwin)
2314
        enable malloc_aligned
2315
        gas="gas-preprocessor.pl $cc"
2316
        enabled ppc && add_asflags -force_cpusubtype_ALL
2317
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2318
        strip="${strip} -x"
2319
        add_ldflags -Wl,-dynamic,-search_paths_first
2320
        SLIBSUF=".dylib"
2321
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2322
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2323
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2324
        objformat="macho"
2325
        enabled x86_64 && objformat="macho64"
2326
        enabled_any pic shared ||
2327
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2328
        ;;
2329
    mingw32*)
2330
        if test $target_os = "mingw32ce"; then
2331
            disable network
2332
        else
2333
            target_os=mingw32
2334
        fi
2335
        LIBTARGET=i386
2336
        if enabled x86_64; then
2337
            enable malloc_aligned
2338
            LIBTARGET=x64
2339
        elif enabled arm; then
2340
            LIBTARGET=arm
2341
        fi
2342
        shlibdir_default="$bindir_default"
2343
        disable ffserver
2344
        SLIBPREF=""
2345
        SLIBSUF=".dll"
2346
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2347
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2348
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2349
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2350
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2351
            install -d "$(LIBDIR)"; \
2352
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2353
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2354
        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'
2355
        objformat="win32"
2356
        enable dos_paths
2357
        check_cflags -fno-common
2358
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2359
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2360
                die "ERROR: MinGW runtime version must be >= 3.15."
2361
        ;;
2362
    cygwin*)
2363
        target_os=cygwin
2364
        shlibdir_default="$bindir_default"
2365
        SLIBPREF="cyg"
2366
        SLIBSUF=".dll"
2367
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2368
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2369
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2370
        objformat="win32"
2371
        enable dos_paths
2372
        check_cflags -fno-common
2373
        ;;
2374
    *-dos|freedos|opendos)
2375
        disable ffplay ffserver
2376
        disable $INDEV_LIST $OUTDEV_LIST
2377
        network_extralibs="-lsocket"
2378
        objformat="coff"
2379
        enable dos_paths
2380
        ;;
2381
    linux)
2382
        enable dv1394
2383
        ;;
2384
    irix*)
2385
        target_os=irix
2386
        ranlib="echo ignoring ranlib"
2387
        ;;
2388
    os/2*)
2389
        strip="lxlite"
2390
        ln_s="cp -f"
2391
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2392
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2393
        FFSERVERLDFLAGS=""
2394
        LIBSUF="_s.a"
2395
        SLIBPREF=""
2396
        SLIBSUF=".dll"
2397
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2398
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2399
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2400
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2401
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2402
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2403
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2404
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2405
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2406
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2407
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2408
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2409
        enable dos_paths
2410
        ;;
2411
    gnu/kfreebsd)
2412
        ;;
2413
    gnu)
2414
        ;;
2415
    none)
2416
        ;;
2417
    *)
2418
        die "Unknown OS '$target_os'."
2419
        ;;
2420
esac
2421

    
2422
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2423

    
2424
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2425

    
2426
set_default $PATHS_LIST
2427

    
2428
# we need to build at least one lib type
2429
if ! enabled_any static shared; then
2430
    cat <<EOF
2431
At least one library type must be built.
2432
Specify --enable-static to build the static libraries or --enable-shared to
2433
build the shared libraries as well. To only build the shared libraries specify
2434
--disable-static in addition to --enable-shared.
2435
EOF
2436
    exit 1;
2437
fi
2438

    
2439
disabled static && LIBNAME=""
2440

    
2441
die_license_disabled() {
2442
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2443
}
2444

    
2445
die_license_disabled gpl libx264
2446
die_license_disabled gpl libxavs
2447
die_license_disabled gpl libxvid
2448
die_license_disabled gpl postproc
2449
die_license_disabled gpl x11grab
2450

    
2451
die_license_disabled nonfree libfaac
2452

    
2453
die_license_disabled version3 libopencore_amrnb
2454
die_license_disabled version3 libopencore_amrwb
2455

    
2456
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2457

    
2458
check_deps $ARCH_EXT_LIST
2459

    
2460
disabled optimizations || check_cflags -fomit-frame-pointer
2461

    
2462
enable_pic() {
2463
    enable pic
2464
    add_cppflags -DPIC
2465
    add_cflags   -fPIC
2466
    add_asflags  -fPIC
2467
}
2468

    
2469
enabled pic && enable_pic
2470

    
2471
check_cc <<EOF || die "Symbol mangling check failed."
2472
int ff_extern;
2473
EOF
2474
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2475
extern_prefix=${sym%%ff_extern*}
2476

    
2477
check_cc <<EOF && enable inline_asm
2478
void foo(void) { __asm__ volatile ("" ::); }
2479
EOF
2480

    
2481
_restrict=
2482
for restrict_keyword in restrict __restrict__ __restrict; do
2483
    check_cc <<EOF && _restrict=$restrict_keyword && break
2484
void foo(char * $restrict_keyword p);
2485
EOF
2486
done
2487

    
2488
check_cc <<EOF && enable attribute_packed
2489
struct { int x; } __attribute__((packed)) x;
2490
EOF
2491

    
2492
check_cc <<EOF && enable attribute_may_alias
2493
union { int x; } __attribute__((may_alias)) x;
2494
EOF
2495

    
2496
check_cc <<EOF || die "endian test failed"
2497
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2498
EOF
2499
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2500

    
2501
if enabled alpha; then
2502

    
2503
    check_cflags -mieee
2504

    
2505
elif enabled arm; then
2506

    
2507
    check_cflags -marm
2508
    nogas=die
2509

    
2510
    check_ld <<EOF && enable vfp_args
2511
__asm__ (".eabi_attribute 28, 1");
2512
int main(void) { return 0; }
2513
EOF
2514

    
2515
    # We have to check if pld is a nop and disable it.
2516
    check_asm pld '"pld [r0]"'
2517

    
2518
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2519
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2520
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2521
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2522
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2523
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2524

    
2525
    enabled_all armv6t2 shared !pic && enable_pic
2526

    
2527
elif enabled mips; then
2528

    
2529
    check_asm loongson '"dmult.g $1, $2, $3"'
2530
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2531

    
2532
elif enabled ppc; then
2533

    
2534
    enable local_aligned_8 local_aligned_16
2535

    
2536
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2537
    check_asm ibm_asm   '"add 0, 0, 0"'
2538
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2539
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2540

    
2541
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2542
    if enabled altivec; then
2543
        nogas=warn
2544
        check_cflags -maltivec -mabi=altivec &&
2545
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2546
        check_cflags -faltivec
2547

    
2548
        # check if our compiler supports Motorola AltiVec C API
2549
        check_cc <<EOF || disable altivec
2550
$inc_altivec_h
2551
int main(void) {
2552
    vector signed int v1, v2, v3;
2553
    v1 = vec_add(v2,v3);
2554
    return 0;
2555
}
2556
EOF
2557

    
2558
        # check if our compiler supports braces for vector declarations
2559
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2560
$inc_altivec_h
2561
int main (void) { (vector int) {1}; return 0; }
2562
EOF
2563
    fi
2564

    
2565
elif enabled sparc; then
2566

    
2567
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2568
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2569

    
2570
elif enabled x86; then
2571

    
2572
    enable local_aligned_8 local_aligned_16
2573

    
2574
    # check whether EBP is available on x86
2575
    # As 'i' is stored on the stack, this program will crash
2576
    # if the base pointer is used to access it because the
2577
    # base pointer is cleared in the inline assembly code.
2578
    check_exec_crash <<EOF && enable ebp_available
2579
    volatile int i=0;
2580
    __asm__ volatile (
2581
        "xorl %%ebp, %%ebp"
2582
    ::: "%ebp");
2583
    return i;
2584
EOF
2585

    
2586
    # check whether EBX is available on x86
2587
    check_asm ebx_available '""::"b"(0)' &&
2588
        check_asm ebx_available '"":::"%ebx"'
2589

    
2590
    # check whether more than 10 operands are supported
2591
    check_cc <<EOF && enable ten_operands
2592
int main(void) {
2593
    int x=0;
2594
    __asm__ volatile(
2595
        ""
2596
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2597
    );
2598
    return 0;
2599
}
2600
EOF
2601

    
2602
    # check whether binutils is new enough to compile SSSE3/MMX2
2603
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2604
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2605

    
2606
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2607

    
2608
    YASMFLAGS="-f $objformat"
2609
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2610
    enabled     pic           && append YASMFLAGS "-DPIC"
2611
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2612
    case "$objformat" in
2613
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2614
    esac
2615
    if ! disabled_any asm mmx yasm; then
2616
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2617
            die "yasm not found, use --disable-yasm for a crippled build"
2618
    fi
2619

    
2620
    case "$cpu" in
2621
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2622
            disable fast_clz
2623
        ;;
2624
    esac
2625

    
2626
fi
2627

    
2628
if enabled asm; then
2629
    as=${gas:=$as}
2630
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2631
        $nogas "GNU assembler not found, install gas-preprocessor"
2632
fi
2633

    
2634
if check_func dlopen; then
2635
    ldl=
2636
elif check_func dlopen -ldl; then
2637
    ldl=-ldl
2638
fi
2639

    
2640
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2641
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2642

    
2643
check_func  fcntl
2644
check_func  fork
2645
check_func  getaddrinfo $network_extralibs
2646
check_func  gethrtime
2647
check_func  getrusage
2648
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2649
check_func  inet_aton $network_extralibs
2650
check_func  isatty
2651
check_func  ${malloc_prefix}memalign            && enable memalign
2652
check_func  mkstemp
2653
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2654
check_func  setrlimit
2655
check_func  strerror_r
2656
check_func  strtok_r
2657
check_func_headers io.h setmode
2658
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2659
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2660
check_func_headers windows.h GetProcessTimes
2661
check_func_headers windows.h VirtualAlloc
2662

    
2663
check_header conio.h
2664
check_header dlfcn.h
2665
check_header dxva2api.h
2666
check_header malloc.h
2667
check_header poll.h
2668
check_header sys/mman.h
2669
check_header sys/resource.h
2670
check_header sys/select.h
2671
check_header termios.h
2672
check_header vdpau/vdpau.h
2673
check_header vdpau/vdpau_x11.h
2674
check_header X11/extensions/XvMClib.h
2675

    
2676
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2677

    
2678
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2679
     enabled_any $need_memalign ; then
2680
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2681
fi
2682

    
2683
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2684
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2685

    
2686
# check for some common methods of building with pthread support
2687
# do this before the optional library checks as some of them require pthreads
2688
if ! disabled pthreads && ! enabled w32threads; then
2689
    enable pthreads
2690
    if check_func pthread_create; then
2691
        :
2692
    elif check_func pthread_create -pthread; then
2693
        add_cflags -pthread
2694
        add_extralibs -pthread
2695
    elif check_func pthread_create -pthreads; then
2696
        add_cflags -pthreads
2697
        add_extralibs -pthreads
2698
    elif check_func pthread_create -lpthreadGC2; then
2699
        add_extralibs -lpthreadGC2
2700
    elif ! check_lib pthread.h pthread_create -lpthread; then
2701
        disable pthreads
2702
    fi
2703
fi
2704

    
2705
for thread in $THREADS_LIST; do
2706
    if enabled $thread; then
2707
        test -n "$thread_type" &&
2708
            die "ERROR: Only one thread type must be selected." ||
2709
            thread_type="$thread"
2710
    fi
2711
done
2712

    
2713
check_lib math.h sin -lm
2714
disabled vaapi || check_lib va/va.h vaInitialize -lva
2715

    
2716
check_mathfunc exp2
2717
check_mathfunc exp2f
2718
check_mathfunc llrint
2719
check_mathfunc llrintf
2720
check_mathfunc log2
2721
check_mathfunc log2f
2722
check_mathfunc lrint
2723
check_mathfunc lrintf
2724
check_mathfunc round
2725
check_mathfunc roundf
2726
check_mathfunc truncf
2727

    
2728
# these are off by default, so fail if requested and not available
2729
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2730
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2731
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2732
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2733
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2734
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2735
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2736
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h hip_decode_init -lmp3lame
2737
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2738
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2739
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2740
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2741
                        die "ERROR: libopencv not found"; }
2742
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2743
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2744
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2745
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2746
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2747
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2748
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2749
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2750
enabled libvpx     && {
2751
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2752
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2753
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2754
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2755
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2756
                      { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2757
                        die "ERROR: libx264 version must be >= 0.98."; }
2758
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2759
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2760
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2761

    
2762
# libdc1394 check
2763
if enabled libdc1394; then
2764
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2765
        enable libdc1394_2; } ||
2766
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2767
        enable libdc1394_1; } ||
2768
    die "ERROR: No version of libdc1394 found "
2769
fi
2770

    
2771
SDL_CONFIG="${cross_prefix}sdl-config"
2772
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2773
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2774
    sdl_libs=$("${SDL_CONFIG}" --libs)
2775
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2776
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2777
    enable sdl &&
2778
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2779
fi
2780

    
2781
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2782

    
2783
if enabled network; then
2784
    check_type "sys/types.h sys/socket.h" socklen_t
2785
    check_type netdb.h "struct addrinfo"
2786
    check_type netinet/in.h "struct ipv6_mreq"
2787
    check_type netinet/in.h "struct sockaddr_in6"
2788
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2789
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2790
    # Prefer arpa/inet.h over winsock2
2791
    if check_header arpa/inet.h ; then
2792
        check_func closesocket
2793
    elif check_header winsock2.h ; then
2794
        check_func_headers winsock2.h closesocket -lws2 && \
2795
            network_extralibs="-lws2" || \
2796
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2797
            network_extralibs="-lws2_32"; }
2798
        check_type ws2tcpip.h socklen_t
2799
        check_type ws2tcpip.h "struct addrinfo"
2800
        check_type ws2tcpip.h "struct ipv6_mreq"
2801
        check_type ws2tcpip.h "struct sockaddr_in6"
2802
        check_type ws2tcpip.h "struct sockaddr_storage"
2803
        check_struct winsock2.h "struct sockaddr" sa_len
2804
    else
2805
        disable network
2806
    fi
2807
fi
2808

    
2809
check_header linux/videodev.h
2810
check_header linux/videodev2.h
2811
check_header sys/videoio.h
2812

    
2813
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2814
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2815
# w32api 3.12 had it defined wrong
2816
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2817

    
2818
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2819
{ check_header dev/bktr/ioctl_meteor.h &&
2820
  check_header dev/bktr/ioctl_bt848.h; } ||
2821
{ check_header machine/ioctl_meteor.h &&
2822
  check_header machine/ioctl_bt848.h; } ||
2823
{ check_header dev/video/meteor/ioctl_meteor.h &&
2824
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2825
check_header dev/ic/bt8xx.h
2826

    
2827
check_header sys/soundcard.h
2828
check_header soundcard.h
2829

    
2830
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2831

    
2832
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2833

    
2834
enabled x11grab                         &&
2835
check_header X11/Xlib.h                 &&
2836
check_header X11/extensions/XShm.h      &&
2837
check_header X11/extensions/Xfixes.h    &&
2838
check_func XOpenDisplay -lX11           &&
2839
check_func XShmCreateImage -lX11 -lXext &&
2840
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2841

    
2842
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2843
check_cpp_condition \
2844
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2845
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2846
      disable vdpau; }
2847
fi
2848

    
2849
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2850

    
2851
# add some useful compiler flags if supported
2852
check_cflags -Wdeclaration-after-statement
2853
check_cflags -Wall
2854
check_cflags -Wno-parentheses
2855
check_cflags -Wno-switch
2856
check_cflags -Wdisabled-optimization
2857
check_cflags -Wpointer-arith
2858
check_cflags -Wredundant-decls
2859
check_cflags -Wno-pointer-sign
2860
check_cflags -Wcast-qual
2861
check_cflags -Wwrite-strings
2862
check_cflags -Wtype-limits
2863
check_cflags -Wundef
2864
check_cflags -Wmissing-prototypes
2865
enabled extra_warnings && check_cflags -Winline
2866

    
2867
# add some linker flags
2868
check_ldflags -Wl,--warn-common
2869
check_ldflags -Wl,--as-needed
2870
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2871
check_ldflags -Wl,-Bsymbolic
2872

    
2873
echo "X{};" > $TMPV
2874
if test_ldflags -Wl,--version-script,$TMPV; then
2875
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2876
    check_cc <<EOF && enable symver_asm_label
2877
void ff_foo(void) __asm__ ("av_foo@VERSION");
2878
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2879
EOF
2880
    check_cc <<EOF && enable symver_gnu_asm
2881
__asm__(".symver ff_foo,av_foo@VERSION");
2882
void ff_foo(void) {}
2883
EOF
2884
fi
2885

    
2886
if enabled small; then
2887
    add_cflags $size_cflags
2888
    optimizations="small"
2889
elif enabled optimizations; then
2890
    add_cflags $speed_cflags
2891
else
2892
    add_cflags $noopt_cflags
2893
fi
2894
check_cflags -fno-math-errno
2895
check_cflags -fno-signed-zeros
2896

    
2897
if enabled icc; then
2898
    # Just warnings, no remarks
2899
    check_cflags -w1
2900
    # -wd: Disable following warnings
2901
    # 144, 167, 556: -Wno-pointer-sign
2902
    # 10006: ignoring unknown option -fno-signed-zeros
2903
    # 10156: ignoring option '-W'; no argument required
2904
    check_cflags -wd144,167,556,10006,10156
2905
    # 11030: Warning unknown option --as-needed
2906
    # 10156: ignoring option '-export'; no argument required
2907
    check_ldflags -wd10156,11030
2908
    # Allow to compile with optimizations
2909
    check_ldflags -march=$cpu
2910
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2911
    enable ebp_available
2912
    if enabled x86_32; then
2913
        test ${icc_version%%.*} -ge 11 && \
2914
            check_cflags -falign-stack=maintain-16-byte || \
2915
            disable aligned_stack
2916
    fi
2917
elif enabled ccc; then
2918
    # disable some annoying warnings
2919
    add_cflags -msg_disable cvtu32to64
2920
    add_cflags -msg_disable embedcomment
2921
    add_cflags -msg_disable needconstext
2922
    add_cflags -msg_disable nomainieee
2923
    add_cflags -msg_disable ptrmismatch1
2924
    add_cflags -msg_disable unreachcode
2925
elif enabled gcc; then
2926
    check_cflags -fno-tree-vectorize
2927
    check_cflags -Werror=implicit-function-declaration
2928
    check_cflags -Werror=missing-prototypes
2929
elif enabled llvm_gcc; then
2930
    check_cflags -mllvm -stack-alignment=16
2931
elif enabled clang; then
2932
    check_cflags -mllvm -stack-alignment=16
2933
    check_cflags -Qunused-arguments
2934
elif enabled armcc; then
2935
    # 2523: use of inline assembler is deprecated
2936
    add_cflags -W${armcc_opt},--diag_suppress=2523
2937
    add_cflags -W${armcc_opt},--diag_suppress=1207
2938
elif enabled tms470; then
2939
    add_cflags -pds=824 -pds=837
2940
fi
2941

    
2942
enabled_any $THREADS_LIST      && enable threads
2943

    
2944
check_deps $CONFIG_LIST       \
2945
           $CONFIG_EXTRA      \
2946
           $HAVE_LIST         \
2947
           $DECODER_LIST      \
2948
           $ENCODER_LIST      \
2949
           $HWACCEL_LIST      \
2950
           $PARSER_LIST       \
2951
           $BSF_LIST          \
2952
           $DEMUXER_LIST      \
2953
           $MUXER_LIST        \
2954
           $FILTER_LIST       \
2955
           $INDEV_LIST        \
2956
           $OUTDEV_LIST       \
2957
           $PROTOCOL_LIST     \
2958
           $ACODEC_TESTS      \
2959
           $VCODEC_TESTS      \
2960
           $LAVF_TESTS        \
2961
           $LAVFI_TESTS       \
2962
           $SEEK_TESTS        \
2963

    
2964
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2965

    
2966
echo "install prefix            $prefix"
2967
echo "source path               $source_path"
2968
echo "C compiler                $cc"
2969
echo "ARCH                      $arch ($cpu)"
2970
if test "$build_suffix" != ""; then
2971
    echo "build suffix              $build_suffix"
2972
fi
2973
if test "$extra_version" != ""; then
2974
    echo "version string suffix     $extra_version"
2975
fi
2976
echo "big-endian                ${bigendian-no}"
2977
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2978
if enabled x86; then
2979
    echo "yasm                      ${yasm-no}"
2980
    echo "MMX enabled               ${mmx-no}"
2981
    echo "MMX2 enabled              ${mmx2-no}"
2982
    echo "3DNow! enabled            ${amd3dnow-no}"
2983
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2984
    echo "SSE enabled               ${sse-no}"
2985
    echo "SSSE3 enabled             ${ssse3-no}"
2986
    echo "CMOV enabled              ${cmov-no}"
2987
    echo "CMOV is fast              ${fast_cmov-no}"
2988
    echo "EBX available             ${ebx_available-no}"
2989
    echo "EBP available             ${ebp_available-no}"
2990
    echo "10 operands supported     ${ten_operands-no}"
2991
fi
2992
if enabled arm; then
2993
    echo "ARMv5TE enabled           ${armv5te-no}"
2994
    echo "ARMv6 enabled             ${armv6-no}"
2995
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2996
    echo "ARM VFP enabled           ${armvfp-no}"
2997
    echo "IWMMXT enabled            ${iwmmxt-no}"
2998
    echo "NEON enabled              ${neon-no}"
2999
fi
3000
if enabled mips; then
3001
    echo "MMI enabled               ${mmi-no}"
3002
fi
3003
if enabled ppc; then
3004
    echo "AltiVec enabled           ${altivec-no}"
3005
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3006
    echo "dcbzl available           ${dcbzl-no}"
3007
fi
3008
if enabled sparc; then
3009
    echo "VIS enabled               ${vis-no}"
3010
fi
3011
echo "debug symbols             ${debug-no}"
3012
echo "strip symbols             ${stripping-no}"
3013
echo "optimizations             ${optimizations-no}"
3014
echo "static                    ${static-no}"
3015
echo "shared                    ${shared-no}"
3016
echo "postprocessing support    ${postproc-no}"
3017
echo "new filter support        ${avfilter-no}"
3018
echo "network support           ${network-no}"
3019
echo "threading support         ${thread_type-no}"
3020
echo "SDL support               ${sdl-no}"
3021
echo "Sun medialib support      ${mlib-no}"
3022
echo "AVISynth enabled          ${avisynth-no}"
3023
echo "frei0r enabled            ${frei0r-no}"
3024
echo "libdc1394 support         ${libdc1394-no}"
3025
echo "libdirac enabled          ${libdirac-no}"
3026
echo "libfaac enabled           ${libfaac-no}"
3027
echo "libgsm enabled            ${libgsm-no}"
3028
echo "libmp3lame enabled        ${libmp3lame-no}"
3029
echo "libnut enabled            ${libnut-no}"
3030
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3031
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3032
echo "libopencv support         ${libopencv-no}"
3033
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3034
echo "librtmp enabled           ${librtmp-no}"
3035
echo "libschroedinger enabled   ${libschroedinger-no}"
3036
echo "libspeex enabled          ${libspeex-no}"
3037
echo "libtheora enabled         ${libtheora-no}"
3038
echo "libvorbis enabled         ${libvorbis-no}"
3039
echo "libvpx enabled            ${libvpx-no}"
3040
echo "libx264 enabled           ${libx264-no}"
3041
echo "libxavs enabled           ${libxavs-no}"
3042
echo "libxvid enabled           ${libxvid-no}"
3043
echo "zlib enabled              ${zlib-no}"
3044
echo "bzlib enabled             ${bzlib-no}"
3045
echo
3046

    
3047
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3048
    echo "Enabled ${type}s:"
3049
    eval list=\$$(toupper $type)_LIST
3050
    print_enabled '_*' $list | sort | pr -3 -t
3051
    echo
3052
done
3053

    
3054
license="LGPL version 2.1 or later"
3055
if enabled nonfree; then
3056
    license="nonfree and unredistributable"
3057
elif enabled gplv3; then
3058
    license="GPL version 3 or later"
3059
elif enabled lgplv3; then
3060
    license="LGPL version 3 or later"
3061
elif enabled gpl; then
3062
    license="GPL version 2 or later"
3063
fi
3064

    
3065
echo "License: $license"
3066

    
3067
echo "Creating config.mak and config.h..."
3068

    
3069
# build tree in object directory if source path is different from current one
3070
if enabled source_path_used; then
3071
    DIRS="
3072
        doc
3073
        libavcodec
3074
        libavcodec/$arch
3075
        libavcore
3076
        libavdevice
3077
        libavfilter
3078
        libavformat
3079
        libavutil
3080
        libavutil/$arch
3081
        libpostproc
3082
        libswscale
3083
        libswscale/$arch
3084
        tests
3085
        tools
3086
    "
3087
    FILES="
3088
        Makefile
3089
        common.mak
3090
        subdir.mak
3091
        doc/texi2pod.pl
3092
        libavcodec/Makefile
3093
        libavcodec/${arch}/Makefile
3094
        libavcore/Makefile
3095
        libavdevice/Makefile
3096
        libavfilter/Makefile
3097
        libavformat/Makefile
3098
        libavutil/Makefile
3099
        libpostproc/Makefile
3100
        libswscale/Makefile
3101
    "
3102
    map 'mkdir -p $v' $DIRS;
3103
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3104
fi
3105

    
3106
enabled stripping || strip="echo skipping strip"
3107

    
3108
config_files="$TMPH config.mak"
3109

    
3110
cat > config.mak <<EOF
3111
# Automatically generated by configure - do not modify!
3112
ifndef FFMPEG_CONFIG_MAK
3113
FFMPEG_CONFIG_MAK=1
3114
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3115
prefix=$prefix
3116
LIBDIR=\$(DESTDIR)$libdir
3117
SHLIBDIR=\$(DESTDIR)$shlibdir
3118
INCDIR=\$(DESTDIR)$incdir
3119
BINDIR=\$(DESTDIR)$bindir
3120
DATADIR=\$(DESTDIR)$datadir
3121
MANDIR=\$(DESTDIR)$mandir
3122
SRC_PATH="$source_path"
3123
SRC_PATH_BARE=$source_path
3124
BUILD_ROOT="$PWD"
3125
CC_IDENT=$cc_ident
3126
ARCH=$arch
3127
CC=$cc
3128
AS=$as
3129
LD=$ld
3130
DEPCC=$dep_cc
3131
YASM=$yasmexe
3132
YASMDEP=$yasmexe
3133
AR=$ar
3134
RANLIB=$ranlib
3135
CP=cp -p
3136
LN_S=$ln_s
3137
STRIP=$strip
3138
CPPFLAGS=$CPPFLAGS
3139
CFLAGS=$CFLAGS
3140
ASFLAGS=$ASFLAGS
3141
CC_O=$CC_O
3142
LDFLAGS=$LDFLAGS
3143
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3144
SHFLAGS=$SHFLAGS
3145
YASMFLAGS=$YASMFLAGS
3146
BUILDSUF=$build_suffix
3147
FULLNAME=$FULLNAME
3148
LIBPREF=$LIBPREF
3149
LIBSUF=$LIBSUF
3150
LIBNAME=$LIBNAME
3151
SLIBPREF=$SLIBPREF
3152
SLIBSUF=$SLIBSUF
3153
EXESUF=$EXESUF
3154
EXTRA_VERSION=$extra_version
3155
DEPFLAGS=$DEPFLAGS
3156
CCDEP=$CCDEP
3157
ASDEP=$ASDEP
3158
CC_DEPFLAGS=$CC_DEPFLAGS
3159
AS_DEPFLAGS=$AS_DEPFLAGS
3160
HOSTCC=$host_cc
3161
HOSTCFLAGS=$host_cflags
3162
HOSTEXESUF=$HOSTEXESUF
3163
HOSTLDFLAGS=$host_ldflags
3164
HOSTLIBS=$host_libs
3165
TARGET_EXEC=$target_exec
3166
TARGET_PATH=$target_path
3167
SDL_LIBS=$sdl_libs
3168
SDL_CFLAGS=$sdl_cflags
3169
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3170
EXTRALIBS=$extralibs
3171
INSTALL=install
3172
LIBTARGET=${LIBTARGET}
3173
SLIBNAME=${SLIBNAME}
3174
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3175
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3176
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3177
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3178
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3179
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3180
SAMPLES=$samples
3181
EOF
3182

    
3183
get_version(){
3184
    name=$1
3185
    file=$source_path/$2
3186
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3187
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3188
    lcname=$(tolower $name)
3189
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3190
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3191
}
3192

    
3193
get_version LIBSWSCALE  libswscale/swscale.h
3194
get_version LIBPOSTPROC libpostproc/postprocess.h
3195
get_version LIBAVCODEC  libavcodec/avcodec.h
3196
get_version LIBAVCORE   libavcore/avcore.h
3197
get_version LIBAVDEVICE libavdevice/avdevice.h
3198
get_version LIBAVFORMAT libavformat/avformat.h
3199
get_version LIBAVUTIL   libavutil/avutil.h
3200
get_version LIBAVFILTER libavfilter/avfilter.h
3201

    
3202
cat > $TMPH <<EOF
3203
/* Automatically generated by configure - do not modify! */
3204
#ifndef FFMPEG_CONFIG_H
3205
#define FFMPEG_CONFIG_H
3206
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3207
#define FFMPEG_LICENSE "$(c_escape $license)"
3208
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3209
#define CC_TYPE "$cc_type"
3210
#define CC_VERSION $cc_version
3211
#define restrict $_restrict
3212
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3213
#define EXTERN_PREFIX "${extern_prefix}"
3214
#define EXTERN_ASM ${extern_prefix}
3215
EOF
3216

    
3217
test -n "$malloc_prefix" &&
3218
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3219

    
3220
if enabled small || disabled optimizations; then
3221
    echo "#undef  av_always_inline"  >> $TMPH
3222
    echo "#define av_always_inline"  >> $TMPH
3223
fi
3224

    
3225
if enabled yasm; then
3226
    append config_files $TMPASM
3227
    printf '' >$TMPASM
3228
fi
3229

    
3230
print_config ARCH_   "$config_files" $ARCH_LIST
3231
print_config HAVE_   "$config_files" $HAVE_LIST
3232
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3233
                                     $CONFIG_EXTRA      \
3234
                                     $DECODER_LIST      \
3235
                                     $ENCODER_LIST      \
3236
                                     $HWACCEL_LIST      \
3237
                                     $PARSER_LIST       \
3238
                                     $BSF_LIST          \
3239
                                     $DEMUXER_LIST      \
3240
                                     $MUXER_LIST        \
3241
                                     $FILTER_LIST       \
3242
                                     $PROTOCOL_LIST     \
3243
                                     $INDEV_LIST        \
3244
                                     $OUTDEV_LIST       \
3245

    
3246
cat >>config.mak <<EOF
3247
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3248
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3249
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3250
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3251
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3252
EOF
3253

    
3254
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3255
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3256

    
3257
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3258
cp_if_changed $TMPH config.h
3259
touch .config
3260

    
3261
enabled yasm && cp_if_changed $TMPASM config.asm
3262

    
3263
cat > $TMPH <<EOF
3264
/* Generated by ffconf */
3265
#ifndef AVUTIL_AVCONFIG_H
3266
#define AVUTIL_AVCONFIG_H
3267
EOF
3268

    
3269
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3270

    
3271
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3272

    
3273
cp_if_changed $TMPH libavutil/avconfig.h
3274

    
3275
test -n "$WARNINGS" && printf "\n$WARNINGS"
3276

    
3277
# build pkg-config files
3278

    
3279
pkgconfig_generate(){
3280
name=$1
3281
shortname=${name#lib}${build_suffix}
3282
comment=$2
3283
version=$3
3284
libs=$4
3285
requires=$5
3286
enabled ${name#lib} || return 0
3287
cat <<EOF > $name/$name.pc
3288
prefix=$prefix
3289
exec_prefix=\${prefix}
3290
libdir=$libdir
3291
includedir=$incdir
3292

    
3293
Name: $name
3294
Description: $comment
3295
Version: $version
3296
Requires: $(enabled shared || echo $requires)
3297
Requires.private: $(enabled shared && echo $requires)
3298
Conflicts:
3299
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3300
Libs.private: $(enabled shared && echo $libs)
3301
Cflags: -I\${includedir}
3302
EOF
3303
cat <<EOF > $name/$name-uninstalled.pc
3304
prefix=
3305
exec_prefix=
3306
libdir=\${pcfiledir}
3307
includedir=${source_path}
3308

    
3309
Name: $name
3310
Description: $comment
3311
Version: $version
3312
Requires: $requires
3313
Conflicts:
3314
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3315
Cflags: -I\${includedir}
3316
EOF
3317
}
3318

    
3319
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3320
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3321
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3322
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3323
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3324
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3325
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3326
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"