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#!/bin/sh
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#
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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]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
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  --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
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  --disable-avcore         disable libavcore build
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  --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)
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  --disable-swscale-alpha  disable alpha channel support in swscale
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  --disable-fastdiv        disable table-based division
102
  --enable-small           optimize for size instead of speed
103
  --disable-aandct         disable AAN DCT code
104
  --disable-dct            disable DCT code
105
  --disable-fft            disable FFT code
106
  --disable-golomb         disable Golomb code
107
  --disable-huffman        disable Huffman code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
114
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --disable-everything     disable all components listed below
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  --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
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  --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
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  --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
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                           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,
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                           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]
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  --enable-libtheora       enable Theora encoding via libtheora [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
183
                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
186
  --enable-libxavs         enable AVS encoding via xavs [no]
187
  --enable-libxvid         enable Xvid encoding via xvidcore,
188
                           native MPEG-4/Xvid encoder exists [no]
189
  --enable-mlib            enable Sun medialib [no]
190
  --enable-zlib            enable zlib [autodetect]
191

    
192
Advanced options (experts only):
193
  --source-path=PATH       path to source code [$source_path]
194
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
195
  --enable-cross-compile   assume a cross-compiler is used
196
  --sysroot=PATH           root of cross-build tree
197
  --sysinclude=PATH        location of cross-build system headers
198
  --target-os=OS           compiler targets OS [$target_os]
199
  --target-exec=CMD        command to run executables on target
200
  --target-path=DIR        path to view of build directory on target
201
  --nm=NM                  use nm tool
202
  --ar=AR                  use archive tool AR [$ar_default]
203
  --as=AS                  use assembler AS [$as_default]
204
  --cc=CC                  use C compiler CC [$cc_default]
205
  --ld=LD                  use linker LD
206
  --host-cc=HOSTCC         use host C compiler HOSTCC
207
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
208
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
209
  --host-libs=HLIBS        use libs HLIBS when linking for host
210
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
211
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
213
  --extra-version=STRING   version string suffix []
214
  --build-suffix=SUFFIX    library name suffix []
215
  --arch=ARCH              select architecture [$arch]
216
  --cpu=CPU                select the minimum required CPU (affects
217
                           instruction selection, may crash on older CPUs)
218
  --disable-asm            disable all assembler optimizations
219
  --disable-altivec        disable AltiVec optimizations
220
  --disable-amd3dnow       disable 3DNow! optimizations
221
  --disable-amd3dnowext    disable 3DNow! extended optimizations
222
  --disable-mmx            disable MMX optimizations
223
  --disable-mmx2           disable MMX2 optimizations
224
  --disable-sse            disable SSE optimizations
225
  --disable-ssse3          disable SSSE3 optimizations
226
  --disable-armv5te        disable armv5te optimizations
227
  --disable-armv6          disable armv6 optimizations
228
  --disable-armv6t2        disable armv6t2 optimizations
229
  --disable-armvfp         disable ARM VFP optimizations
230
  --disable-iwmmxt         disable iwmmxt optimizations
231
  --disable-mmi            disable MMI optimizations
232
  --disable-neon           disable neon optimizations
233
  --disable-vis            disable VIS optimizations
234
  --disable-yasm           disable use of yasm assembler
235
  --enable-pic             build position-independent code
236
  --malloc-prefix=PFX      prefix malloc and related names with PFX
237
  --enable-sram            allow use of on-chip SRAM
238
  --disable-symver         disable symbol versioning
239

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

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

    
253
quotes='""'
254

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
931
THREADS_LIST='
932
    pthreads
933
    w32threads
934
'
935

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

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

    
979
HAVE_LIST_PUB='
980
    bigendian
981
    fast_unaligned
982
'
983

    
984
HAVE_LIST="
985
    $ARCH_EXT_LIST
986
    $HAVE_LIST_PUB
987
    $THREADS_LIST
988
    aligned_stack
989
    alsa_asoundlib_h
990
    altivec_h
991
    arpa_inet_h
992
    attribute_may_alias
993
    attribute_packed
994
    bswap
995
    closesocket
996
    cmov
997
    conio_h
998
    dcbzl
999
    dev_bktr_ioctl_bt848_h
1000
    dev_bktr_ioctl_meteor_h
1001
    dev_ic_bt8xx_h
1002
    dev_video_meteor_ioctl_meteor_h
1003
    dev_video_bktr_ioctl_bt848_h
1004
    dlfcn_h
1005
    dlopen
1006
    dos_paths
1007
    ebp_available
1008
    ebx_available
1009
    exp2
1010
    exp2f
1011
    fast_64bit
1012
    fast_clz
1013
    fast_cmov
1014
    fcntl
1015
    fork
1016
    getaddrinfo
1017
    gethrtime
1018
    GetProcessMemoryInfo
1019
    GetProcessTimes
1020
    getrusage
1021
    gnu_as
1022
    struct_rusage_ru_maxrss
1023
    ibm_asm
1024
    inet_aton
1025
    inline_asm
1026
    isatty
1027
    ldbrx
1028
    libdc1394_1
1029
    libdc1394_2
1030
    llrint
1031
    llrintf
1032
    local_aligned_16
1033
    local_aligned_8
1034
    log2
1035
    log2f
1036
    loongson
1037
    lrint
1038
    lrintf
1039
    lzo1x_999_compress
1040
    machine_ioctl_bt848_h
1041
    machine_ioctl_meteor_h
1042
    malloc_h
1043
    MapViewOfFile
1044
    memalign
1045
    mkstemp
1046
    mmap
1047
    pld
1048
    posix_memalign
1049
    round
1050
    roundf
1051
    sdl
1052
    sdl_video_size
1053
    setmode
1054
    socklen_t
1055
    soundcard_h
1056
    poll_h
1057
    setrlimit
1058
    strerror_r
1059
    strtok_r
1060
    struct_addrinfo
1061
    struct_ipv6_mreq
1062
    struct_sockaddr_in6
1063
    struct_sockaddr_sa_len
1064
    struct_sockaddr_storage
1065
    symver
1066
    symver_gnu_asm
1067
    symver_asm_label
1068
    sys_mman_h
1069
    sys_resource_h
1070
    sys_select_h
1071
    sys_soundcard_h
1072
    sys_videoio_h
1073
    ten_operands
1074
    termios_h
1075
    threads
1076
    truncf
1077
    vfp_args
1078
    VirtualAlloc
1079
    winsock2_h
1080
    xform_asm
1081
    xmm_clobbers
1082
    yasm
1083
"
1084

    
1085
# options emitted with CONFIG_ prefix but not available on command line
1086
CONFIG_EXTRA="
1087
    avutil
1088
    gplv3
1089
    lgplv3
1090
"
1091

    
1092
CMDLINE_SELECT="
1093
    $ARCH_EXT_LIST
1094
    $CONFIG_LIST
1095
    $THREADS_LIST
1096
    asm
1097
    cross_compile
1098
    debug
1099
    extra_warnings
1100
    logging
1101
    optimizations
1102
    stripping
1103
    symver
1104
    yasm
1105
"
1106

    
1107
PATHS_LIST='
1108
    bindir
1109
    datadir
1110
    incdir
1111
    libdir
1112
    mandir
1113
    prefix
1114
    shlibdir
1115
'
1116

    
1117
CMDLINE_SET="
1118
    $PATHS_LIST
1119
    ar
1120
    arch
1121
    as
1122
    build_suffix
1123
    cc
1124
    cpu
1125
    cross_prefix
1126
    dep_cc
1127
    extra_version
1128
    host_cc
1129
    host_cflags
1130
    host_ldflags
1131
    host_libs
1132
    host_os
1133
    ld
1134
    logfile
1135
    malloc_prefix
1136
    nm
1137
    samples
1138
    source_path
1139
    strip
1140
    sysinclude
1141
    sysroot
1142
    target_exec
1143
    target_os
1144
    target_path
1145
"
1146

    
1147
CMDLINE_APPEND="
1148
    extra_cflags
1149
"
1150

    
1151
# code dependency declarations
1152

    
1153
# architecture extensions
1154

    
1155
armv5te_deps="arm"
1156
armv6_deps="arm"
1157
armv6t2_deps="arm"
1158
armvfp_deps="arm"
1159
iwmmxt_deps="arm"
1160
neon_deps="arm"
1161

    
1162
mmi_deps="mips"
1163

    
1164
altivec_deps="ppc"
1165
ppc4xx_deps="ppc"
1166

    
1167
vis_deps="sparc"
1168

    
1169
x86_64_suggest="cmov fast_cmov"
1170
amd3dnow_deps="mmx"
1171
amd3dnowext_deps="amd3dnow"
1172
mmx_deps="x86"
1173
mmx2_deps="mmx"
1174
sse_deps="mmx"
1175
ssse3_deps="sse"
1176

    
1177
aligned_stack_if_any="ppc x86"
1178
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1179
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1180
fast_unaligned_if_any="armv6 ppc x86"
1181

    
1182
need_memalign="altivec neon sse"
1183
inline_asm_deps="!tms470"
1184

    
1185
symver_if_any="symver_asm_label symver_gnu_asm"
1186

    
1187
# subsystems
1188
dct_select="rdft"
1189
mdct_select="fft"
1190
rdft_select="fft"
1191

    
1192
# decoders / encoders / hardware accelerators
1193
aac_decoder_select="mdct rdft"
1194
aac_encoder_select="mdct"
1195
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1196
ac3_decoder_select="mdct ac3_parser"
1197
ac3_encoder_select="mdct"
1198
alac_encoder_select="lpc"
1199
amrnb_decoder_select="lsp"
1200
amrwb_decoder_select="lsp"
1201
atrac1_decoder_select="mdct"
1202
atrac3_decoder_select="mdct"
1203
binkaudio_dct_decoder_select="mdct rdft dct"
1204
binkaudio_rdft_decoder_select="mdct rdft"
1205
cavs_decoder_select="golomb"
1206
cook_decoder_select="mdct"
1207
cscd_decoder_suggest="zlib"
1208
dca_decoder_select="mdct"
1209
dnxhd_encoder_select="aandct"
1210
dxa_decoder_select="zlib"
1211
eac3_decoder_select="ac3_decoder"
1212
eamad_decoder_select="aandct"
1213
eatgq_decoder_select="aandct"
1214
eatqi_decoder_select="aandct"
1215
ffv1_decoder_select="golomb"
1216
flac_decoder_select="golomb"
1217
flac_encoder_select="golomb lpc"
1218
flashsv_decoder_select="zlib"
1219
flashsv_encoder_select="zlib"
1220
flv_decoder_select="h263_decoder"
1221
flv_encoder_select="h263_encoder"
1222
fraps_decoder_select="huffman"
1223
h261_encoder_select="aandct"
1224
h263_decoder_select="h263_parser"
1225
h263_encoder_select="aandct"
1226
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1227
h263i_decoder_select="h263_decoder"
1228
h263p_encoder_select="h263_encoder"
1229
h264_decoder_select="golomb h264dsp h264pred"
1230
h264_dxva2_hwaccel_deps="dxva2api_h"
1231
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1232
h264_vaapi_hwaccel_select="vaapi"
1233
h264_vdpau_decoder_select="vdpau h264_decoder"
1234
imc_decoder_select="fft mdct"
1235
jpegls_decoder_select="golomb"
1236
jpegls_encoder_select="golomb"
1237
ljpeg_encoder_select="aandct"
1238
loco_decoder_select="golomb"
1239
mjpeg_encoder_select="aandct"
1240
mlp_decoder_select="mlp_parser"
1241
mp1float_decoder_select="dct"
1242
mp2float_decoder_select="dct"
1243
mp3adufloat_decoder_select="dct"
1244
mp3float_decoder_select="dct"
1245
mp3on4float_decoder_select="dct"
1246
mpeg1video_encoder_select="aandct"
1247
mpeg2video_encoder_select="aandct"
1248
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1249
mpeg4_encoder_select="h263_encoder"
1250
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1251
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1252
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1253
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1254
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1255
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1256
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1257
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1258
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1259
msmpeg4v1_decoder_select="h263_decoder"
1260
msmpeg4v1_encoder_select="h263_encoder"
1261
msmpeg4v2_decoder_select="h263_decoder"
1262
msmpeg4v2_encoder_select="h263_encoder"
1263
msmpeg4v3_decoder_select="h263_decoder"
1264
msmpeg4v3_encoder_select="h263_encoder"
1265
nellymoser_decoder_select="mdct"
1266
nellymoser_encoder_select="mdct"
1267
png_decoder_select="zlib"
1268
png_encoder_select="zlib"
1269
qcelp_decoder_select="lsp"
1270
qdm2_decoder_select="mdct rdft"
1271
ra_144_encoder_select="lpc"
1272
rv10_decoder_select="h263_decoder"
1273
rv10_encoder_select="h263_encoder"
1274
rv20_decoder_select="h263_decoder"
1275
rv20_encoder_select="h263_encoder"
1276
rv30_decoder_select="golomb h264pred"
1277
rv40_decoder_select="golomb h264pred"
1278
shorten_decoder_select="golomb"
1279
sipr_decoder_select="lsp"
1280
snow_decoder_select="dwt"
1281
snow_encoder_select="aandct dwt"
1282
sonic_decoder_select="golomb"
1283
sonic_encoder_select="golomb"
1284
sonic_ls_encoder_select="golomb"
1285
svq1_encoder_select="aandct"
1286
svq3_decoder_select="golomb h264dsp h264pred"
1287
svq3_decoder_suggest="zlib"
1288
theora_decoder_select="vp3_decoder"
1289
tiff_decoder_suggest="zlib"
1290
tiff_encoder_suggest="zlib"
1291
truehd_decoder_select="mlp_decoder"
1292
tscc_decoder_select="zlib"
1293
twinvq_decoder_select="mdct lsp"
1294
vc1_decoder_select="h263_decoder"
1295
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1296
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1297
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1298
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1299
vorbis_decoder_select="mdct"
1300
vorbis_encoder_select="mdct"
1301
vp6_decoder_select="huffman"
1302
vp6a_decoder_select="vp6_decoder"
1303
vp6f_decoder_select="vp6_decoder"
1304
vp8_decoder_select="h264pred"
1305
wmapro_decoder_select="mdct"
1306
wmav1_decoder_select="mdct"
1307
wmav1_encoder_select="mdct"
1308
wmav2_decoder_select="mdct"
1309
wmav2_encoder_select="mdct"
1310
wmavoice_decoder_select="lsp rdft dct mdct"
1311
wmv1_decoder_select="h263_decoder"
1312
wmv1_encoder_select="h263_encoder"
1313
wmv2_decoder_select="h263_decoder"
1314
wmv2_encoder_select="h263_encoder"
1315
wmv3_decoder_select="vc1_decoder"
1316
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1317
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1318
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1319
zlib_decoder_select="zlib"
1320
zlib_encoder_select="zlib"
1321
zmbv_decoder_select="zlib"
1322
zmbv_encoder_select="zlib"
1323

    
1324
vaapi_deps="va_va_h"
1325
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1326

    
1327
# parsers
1328
h264_parser_select="golomb h264dsp h264pred"
1329

    
1330
# external libraries
1331
libdirac_decoder_deps="libdirac !libschroedinger"
1332
libdirac_encoder_deps="libdirac"
1333
libfaac_encoder_deps="libfaac"
1334
libgsm_decoder_deps="libgsm"
1335
libgsm_encoder_deps="libgsm"
1336
libgsm_ms_decoder_deps="libgsm"
1337
libgsm_ms_encoder_deps="libgsm"
1338
libmp3lame_encoder_deps="libmp3lame"
1339
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1340
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1341
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1342
libopenjpeg_decoder_deps="libopenjpeg"
1343
libschroedinger_decoder_deps="libschroedinger"
1344
libschroedinger_encoder_deps="libschroedinger"
1345
libspeex_decoder_deps="libspeex"
1346
libtheora_encoder_deps="libtheora"
1347
libvorbis_encoder_deps="libvorbis"
1348
libvpx_decoder_deps="libvpx"
1349
libvpx_encoder_deps="libvpx"
1350
libx264_encoder_deps="libx264"
1351
libxavs_encoder_deps="libxavs"
1352
libxvid_encoder_deps="libxvid"
1353

    
1354
# demuxers / muxers
1355
ac3_demuxer_select="ac3_parser"
1356
asf_stream_muxer_select="asf_muxer"
1357
avisynth_demuxer_deps="avisynth"
1358
dirac_demuxer_select="dirac_parser"
1359
eac3_demuxer_select="ac3_parser"
1360
flac_demuxer_select="flac_parser"
1361
ipod_muxer_select="mov_muxer"
1362
libnut_demuxer_deps="libnut"
1363
libnut_muxer_deps="libnut"
1364
matroska_audio_muxer_select="matroska_muxer"
1365
matroska_demuxer_suggest="zlib bzlib"
1366
mov_demuxer_suggest="zlib"
1367
mp3_demuxer_select="mpegaudio_parser"
1368
mp4_muxer_select="mov_muxer"
1369
mpegtsraw_demuxer_select="mpegts_demuxer"
1370
mxf_d10_muxer_select="mxf_muxer"
1371
ogg_demuxer_select="golomb"
1372
psp_muxer_select="mov_muxer"
1373
rtp_demuxer_select="sdp_demuxer"
1374
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1375
rtsp_demuxer_select="http_protocol rtpdec"
1376
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1377
sap_demuxer_select="sdp_demuxer"
1378
sap_muxer_select="rtp_muxer rtp_protocol"
1379
sdp_demuxer_select="rtpdec"
1380
spdif_muxer_select="aac_parser"
1381
tg2_muxer_select="mov_muxer"
1382
tgp_muxer_select="mov_muxer"
1383
w64_demuxer_deps="wav_demuxer"
1384

    
1385
# indevs / outdevs
1386
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1387
alsa_outdev_deps="alsa_asoundlib_h"
1388
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1389
dv1394_indev_deps="dv1394 dv_demuxer"
1390
jack_indev_deps="jack_jack_h"
1391
libdc1394_indev_deps="libdc1394"
1392
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1393
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1394
v4l_indev_deps="linux_videodev_h"
1395
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1396
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1397
vfwcap_indev_extralibs="-lavicap32"
1398
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1399
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1400

    
1401
# protocols
1402
gopher_protocol_deps="network"
1403
http_protocol_deps="network"
1404
http_protocol_select="tcp_protocol"
1405
mmsh_protocol_select="http_protocol"
1406
mmst_protocol_deps="network"
1407
rtmp_protocol_select="tcp_protocol"
1408
rtp_protocol_select="udp_protocol"
1409
tcp_protocol_deps="network"
1410
udp_protocol_deps="network"
1411

    
1412
# filters
1413
blackframe_filter_deps="gpl"
1414
cropdetect_filter_deps="gpl"
1415
frei0r_filter_deps="frei0r dlopen strtok_r"
1416
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1417
hqdn3d_filter_deps="gpl"
1418
mp_filter_deps="gpl"
1419
scale_filter_deps="swscale"
1420
ocv_filter_deps="libopencv"
1421
yadif_filter_deps="gpl"
1422

    
1423
# libraries
1424
avdevice_deps="avcodec avformat"
1425
avformat_deps="avcodec"
1426

    
1427
# programs
1428
ffmpeg_deps="avcodec avformat swscale"
1429
ffmpeg_select="buffer_filter"
1430
ffplay_deps="avcodec avformat swscale sdl"
1431
ffplay_select="rdft"
1432
ffprobe_deps="avcodec avformat"
1433
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1434
ffserver_extralibs='$ldl'
1435

    
1436
doc_deps="texi2html"
1437

    
1438
# tests
1439

    
1440
test_deps(){
1441
    suf1=$1
1442
    suf2=$2
1443
    shift 2
1444
    for v; do
1445
        dep=${v%=*}
1446
        tests=${v#*=}
1447
        for name in ${tests}; do
1448
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1449
        done
1450
    done
1451
}
1452

    
1453
set_ne_test_deps(){
1454
    eval ${1}_be_test_deps="bigendian"
1455
    eval ${1}_le_test_deps="!bigendian"
1456
}
1457

    
1458
test_deps _encoder _decoder                                             \
1459
    adpcm_g726=g726                                                     \
1460
    adpcm_ima_qt                                                        \
1461
    adpcm_ima_wav                                                       \
1462
    adpcm_ms                                                            \
1463
    adpcm_swf                                                           \
1464
    adpcm_yamaha=adpcm_yam                                              \
1465
    alac                                                                \
1466
    asv1                                                                \
1467
    asv2                                                                \
1468
    bmp                                                                 \
1469
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1470
    dvvideo="dv dv50"                                                   \
1471
    ffv1                                                                \
1472
    flac                                                                \
1473
    flashsv                                                             \
1474
    flv                                                                 \
1475
    gif                                                                 \
1476
    h261                                                                \
1477
    h263="h263 h263p"                                                   \
1478
    huffyuv                                                             \
1479
    jpegls                                                              \
1480
    mjpeg="jpg mjpeg ljpeg"                                             \
1481
    mp2                                                                 \
1482
    mpeg1video="mpeg mpeg1b"                                            \
1483
    mpeg2video="mpeg2 mpeg2thread"                                      \
1484
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1485
    msmpeg4v3=msmpeg4                                                   \
1486
    msmpeg4v2                                                           \
1487
    pbm=pbmpipe                                                         \
1488
    pcx                                                                 \
1489
    pgm="pgm pgmpipe"                                                   \
1490
    png                                                                 \
1491
    ppm="ppm ppmpipe"                                                   \
1492
    rawvideo="rgb yuv"                                                  \
1493
    roq                                                                 \
1494
    rv10                                                                \
1495
    rv20                                                                \
1496
    sgi                                                                 \
1497
    snow="snow snowll"                                                  \
1498
    svq1                                                                \
1499
    targa=tga                                                           \
1500
    tiff                                                                \
1501
    wmav1                                                               \
1502
    wmav2                                                               \
1503
    wmv1                                                                \
1504
    wmv2                                                                \
1505

    
1506
test_deps _muxer _demuxer                                               \
1507
    aiff                                                                \
1508
    pcm_alaw=alaw                                                       \
1509
    asf                                                                 \
1510
    au                                                                  \
1511
    avi                                                                 \
1512
    dv=dv_fmt                                                           \
1513
    ffm                                                                 \
1514
    flv=flv_fmt                                                         \
1515
    gxf                                                                 \
1516
    matroska=mkv                                                        \
1517
    mmf                                                                 \
1518
    mov                                                                 \
1519
    pcm_mulaw=mulaw                                                     \
1520
    mxf                                                                 \
1521
    nut                                                                 \
1522
    ogg                                                                 \
1523
    rawvideo=pixfmt                                                     \
1524
    rm                                                                  \
1525
    swf                                                                 \
1526
    mpegts=ts                                                           \
1527
    voc                                                                 \
1528
    wav                                                                 \
1529
    yuv4mpegpipe=yuv4mpeg                                               \
1530

    
1531
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1532
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1533

    
1534
set_ne_test_deps pixdesc
1535
set_ne_test_deps pixfmts_copy
1536
set_ne_test_deps pixfmts_crop
1537
set_ne_test_deps pixfmts_hflip
1538
set_ne_test_deps pixfmts_null
1539
set_ne_test_deps pixfmts_pad
1540
set_ne_test_deps pixfmts_scale
1541
set_ne_test_deps pixfmts_vflip
1542

    
1543
# default parameters
1544

    
1545
logfile="config.log"
1546

    
1547
# installation paths
1548
prefix_default="/usr/local"
1549
bindir_default='${prefix}/bin'
1550
datadir_default='${prefix}/share/ffmpeg'
1551
incdir_default='${prefix}/include'
1552
libdir_default='${prefix}/lib'
1553
mandir_default='${prefix}/share/man'
1554
shlibdir_default="$libdir_default"
1555

    
1556
# toolchain
1557
ar_default="ar"
1558
cc_default="gcc"
1559
cc_version=\"unknown\"
1560
host_cc_default="gcc"
1561
ln_s="ln -sf"
1562
nm_default="nm"
1563
objformat="elf"
1564
ranlib="ranlib"
1565
strip_default="strip"
1566
yasmexe="yasm"
1567
nogas=":"
1568

    
1569
nm_opts='-g'
1570

    
1571
# machine
1572
arch_default=$(uname -m)
1573
cpu="generic"
1574

    
1575
# OS
1576
target_os_default=$(tolower $(uname -s))
1577
host_os=$target_os_default
1578

    
1579
# configurable options
1580
enable avcodec
1581
enable avcore
1582
enable avdevice
1583
enable avfilter
1584
enable avformat
1585
enable avutil
1586
enable asm
1587
enable debug
1588
enable doc
1589
enable fastdiv
1590
enable ffmpeg
1591
enable ffplay
1592
enable ffprobe
1593
enable ffserver
1594
enable mpegaudio_hp
1595
enable network
1596
enable optimizations
1597
enable protocols
1598
enable static
1599
enable stripping
1600
enable swscale
1601
enable swscale_alpha
1602

    
1603
# build settings
1604
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1605
FFSERVERLDFLAGS=-Wl,-E
1606
LIBPREF="lib"
1607
LIBSUF=".a"
1608
FULLNAME='$(NAME)$(BUILDSUF)'
1609
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1610
SLIBPREF="lib"
1611
SLIBSUF=".so"
1612
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1613
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1614
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1615
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1616

    
1617
CC_O='-o $@'
1618

    
1619
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1620
host_libs='-lm'
1621

    
1622
target_path='$(CURDIR)'
1623

    
1624
# since the object filename is not given with the -MM flag, the compiler
1625
# is only able to print the basename, and we must add the path ourselves
1626
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1627
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1628

    
1629
# find source path
1630
source_path="$(dirname "$0")"
1631
enable source_path_used
1632
if test -f configure; then
1633
    source_path="$(pwd)"
1634
    disable source_path_used
1635
else
1636
    source_path="$(cd "$source_path"; pwd)"
1637
    echo "$source_path" | grep -q '[[:blank:]]' &&
1638
        die "Out of tree builds are impossible with whitespace in source path."
1639
    test -e "$source_path/config.h" &&
1640
        die "Out of tree builds are impossible with config.h in source dir."
1641
fi
1642

    
1643
for v in "$@"; do
1644
    r=${v#*=}
1645
    l=${v%"$r"}
1646
    r=$(sh_quote "$r")
1647
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1648
done
1649

    
1650
find_things(){
1651
    thing=$1
1652
    pattern=$2
1653
    file=$source_path/$3
1654
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1655
}
1656

    
1657
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1658
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1659
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1660
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1661
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1662
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1663
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1664
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1665
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1666
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1667
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1668

    
1669
find_tests(){
1670
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1671
}
1672

    
1673
ACODEC_TESTS=$(find_tests acodec)
1674
VCODEC_TESTS=$(find_tests vsynth1)
1675
LAVF_TESTS=$(find_tests lavf)
1676
LAVFI_TESTS=$(find_tests lavfi)
1677
SEEK_TESTS=$(find_tests seek seek_)
1678

    
1679
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1680

    
1681
for n in $COMPONENT_LIST; do
1682
    v=$(toupper ${n%s})_LIST
1683
    eval enable \$$v
1684
    eval ${n}_if_any="\$$v"
1685
done
1686

    
1687
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1688

    
1689
die_unknown(){
1690
    echo "Unknown option \"$1\"."
1691
    echo "See $0 --help for available options."
1692
    exit 1
1693
}
1694

    
1695
show_list() {
1696
    suffix=_$1
1697
    shift
1698
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1699
    exit 0
1700
}
1701

    
1702
for opt do
1703
    optval="${opt#*=}"
1704
    case "$opt" in
1705
    --extra-ldflags=*) add_ldflags $optval
1706
    ;;
1707
    --extra-libs=*) add_extralibs $optval
1708
    ;;
1709
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1710
    ;;
1711
    --enable-debug=*) debuglevel="$optval"
1712
    ;;
1713
    --disable-everything)
1714
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1715
    ;;
1716
    --enable-*=*|--disable-*=*)
1717
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1718
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1719
    eval list=\$$(toupper $thing)_LIST
1720
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1721
    $action $(filter "$name" $list)
1722
    ;;
1723
    --enable-?*|--disable-?*)
1724
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1725
    if is_in $option $COMPONENT_LIST; then
1726
        test $action = disable && action=unset
1727
        eval $action \$$(toupper ${option%s})_LIST
1728
    elif is_in $option $CMDLINE_SELECT; then
1729
        $action $option
1730
    else
1731
        die_unknown $opt
1732
    fi
1733
    ;;
1734
    --list-*)
1735
        NAME="${opt#--list-}"
1736
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1737
        NAME=${NAME%s}
1738
        eval show_list $NAME \$$(toupper $NAME)_LIST
1739
    ;;
1740
    --help|-h) show_help
1741
    ;;
1742
    *)
1743
    optname="${opt%%=*}"
1744
    optname="${optname#--}"
1745
    optname=$(echo "$optname" | sed 's/-/_/g')
1746
    if is_in $optname $CMDLINE_SET; then
1747
        eval $optname='$optval'
1748
    elif is_in $optname $CMDLINE_APPEND; then
1749
        append $optname "$optval"
1750
    else
1751
         die_unknown $opt
1752
    fi
1753
    ;;
1754
    esac
1755
done
1756

    
1757
disabled logging && logfile=/dev/null
1758

    
1759
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1760
set >> $logfile
1761

    
1762
test -n "$cross_prefix" && enable cross_compile
1763

    
1764
if enabled cross_compile; then
1765
    test -n "$arch" && test -n "$target_os" ||
1766
        die "Must specify target arch and OS when cross-compiling"
1767
fi
1768

    
1769
set_default arch target_os
1770

    
1771
ar_default="${cross_prefix}${ar_default}"
1772
cc_default="${cross_prefix}${cc_default}"
1773
nm_default="${cross_prefix}${nm_default}"
1774
ranlib="${cross_prefix}${ranlib}"
1775
strip_default="${cross_prefix}${strip_default}"
1776

    
1777
sysinclude_default="${sysroot}/usr/include"
1778

    
1779
set_default cc nm strip sysinclude
1780
enabled cross_compile || host_cc_default=$cc
1781
set_default host_cc
1782

    
1783
exesuf() {
1784
    case $1 in
1785
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1786
    esac
1787
}
1788

    
1789
EXESUF=$(exesuf $target_os)
1790
HOSTEXESUF=$(exesuf $host_os)
1791

    
1792
# set temporary file name
1793
: ${TMPDIR:=$TEMPDIR}
1794
: ${TMPDIR:=$TMP}
1795
: ${TMPDIR:=/tmp}
1796

    
1797
if ! check_cmd mktemp -u; then
1798
    # simple replacement for missing mktemp
1799
    # NOT SAFE FOR GENERAL USE
1800
    mktemp(){
1801
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1802
    }
1803
fi
1804

    
1805
tmpfile(){
1806
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1807
        (set -C; exec > $tmp) 2>/dev/null ||
1808
        die "Unable to create temporary file in $TMPDIR."
1809
    append TMPFILES $tmp
1810
    eval $1=$tmp
1811
}
1812

    
1813
trap 'rm -f -- $TMPFILES' EXIT
1814

    
1815
tmpfile TMPC  .c
1816
tmpfile TMPE  $EXESUF
1817
tmpfile TMPH  .h
1818
tmpfile TMPO  .o
1819
tmpfile TMPS  .S
1820
tmpfile TMPV  .ver
1821
tmpfile TMPSH .sh
1822
tmpfile TMPASM .asm
1823

    
1824
unset -f mktemp
1825

    
1826
chmod +x $TMPE
1827

    
1828
# make sure we can execute files in $TMPDIR
1829
cat > $TMPSH 2>> $logfile <<EOF
1830
#! /bin/sh
1831
EOF
1832
chmod +x $TMPSH >> $logfile 2>&1
1833
if ! $TMPSH >> $logfile 2>&1; then
1834
    cat <<EOF
1835
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1836
variable to another directory and make sure that it is not mounted noexec.
1837
EOF
1838
    die "Sanity test failed."
1839
fi
1840

    
1841
filter_cflags=echo
1842
filter_cppflags=echo
1843
filter_asflags=echo
1844

    
1845
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1846
    cc_type=llvm_gcc
1847
    cc_version=__VERSION__
1848
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1849
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1850
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1851
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1852
    speed_cflags='-O3'
1853
    size_cflags='-Os'
1854
elif $cc -v 2>&1 | grep -qi ^gcc; then
1855
    cc_type=gcc
1856
    cc_version=__VERSION__
1857
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1858
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1859
    if ! $cc -dumpversion | grep -q '^2\.'; then
1860
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1861
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1862
    fi
1863
    speed_cflags='-O3'
1864
    size_cflags='-Os'
1865
elif $cc --version 2>/dev/null | grep -q Intel; then
1866
    cc_type=icc
1867
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1868
    cc_ident=$($cc --version | head -n1)
1869
    icc_version=$($cc -dumpversion)
1870
    CC_DEPFLAGS='-MMD'
1871
    AS_DEPFLAGS='-MMD'
1872
    speed_cflags='-O3'
1873
    size_cflags='-Os'
1874
    noopt_cflags='-O1'
1875
elif $cc -v 2>&1 | grep -q xlc; then
1876
    cc_type=xlc
1877
    cc_version="AV_STRINGIFY(__IBMC__)"
1878
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1879
    speed_cflags='-O5'
1880
    size_cflags='-O5 -qcompact'
1881
elif $cc -V 2>/dev/null | grep -q Compaq; then
1882
    cc_type=ccc
1883
    cc_version="AV_STRINGIFY(__DECC_VER)"
1884
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1885
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1886
    debuglevel=3
1887
    add_ldflags -Wl,-z,now # calls to libots crash without this
1888
    speed_cflags='-fast'
1889
    size_cflags='-O1'
1890
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1891
    test -d "$sysroot" || die "No valid sysroot specified."
1892
    cc_type=armcc
1893
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1894
    cc_ident=$($cc --vsn | head -n1)
1895
    armcc_conf="$PWD/armcc.conf"
1896
    $cc --arm_linux_configure                 \
1897
        --arm_linux_config_file="$armcc_conf" \
1898
        --configure_sysroot="$sysroot"        \
1899
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1900
        die "Error creating armcc configuration file."
1901
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1902
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1903
    as_default="${cross_prefix}gcc"
1904
    CC_DEPFLAGS='-MMD'
1905
    AS_DEPFLAGS='-MMD'
1906
    speed_cflags='-O3'
1907
    size_cflags='-Os'
1908
elif $cc -version 2>/dev/null | grep -q TMS470; then
1909
    cc_type=tms470
1910
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1911
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1912
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1913
    CC_O='-fr=$(@D)'
1914
    as_default="${cross_prefix}gcc"
1915
    ld_default="${cross_prefix}gcc"
1916
    TMPO=$(basename $TMPC .c).o
1917
    append TMPFILES $TMPO
1918
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1919
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1920
    AS_DEPFLAGS='-MMD'
1921
    speed_cflags='-O3 -mf=5'
1922
    size_cflags='-O3 -mf=2'
1923
    filter_cflags=tms470_flags
1924
    tms470_flags(){
1925
        for flag; do
1926
            case $flag in
1927
                -march=*|-mcpu=*)
1928
                    case "${flag#*=}" in
1929
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1930
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1931
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1932
                        armv6*|arm11*)          echo -mv=6   ;;
1933
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1934
                                                echo -mv=5e  ;;
1935
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1936
                    esac
1937
                    ;;
1938
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1939
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1940
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1941
                -msoft-float)   echo --float_support=vfplib       ;;
1942
                -O[0-3]|-mf=*)  echo $flag                        ;;
1943
                -g)             echo -g -mn                       ;;
1944
                -pds=*)         echo $flag                        ;;
1945
            esac
1946
        done
1947
    }
1948
elif $cc -v 2>&1 | grep -q clang; then
1949
    cc_type=clang
1950
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1951
        cc_version=__clang_version__ || cc_version=__VERSION__
1952
    cc_ident=$($cc --version | head -n1)
1953
    CC_DEPFLAGS='-MMD'
1954
    AS_DEPFLAGS='-MMD'
1955
    speed_cflags='-O3'
1956
    size_cflags='-Os'
1957
elif $cc -V 2>&1 | grep -q Sun; then
1958
    cc_type=suncc
1959
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1960
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1961
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1962
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1963
    speed_cflags='-O5'
1964
    size_cflags='-O5 -xspace'
1965
    filter_cflags=suncc_flags
1966
    suncc_flags(){
1967
        for flag; do
1968
            case $flag in
1969
                -march=*|-mcpu=*)
1970
                    case "${flag#*=}" in
1971
                        native)                   echo -xtarget=native       ;;
1972
                        v9|niagara)               echo -xarch=sparc          ;;
1973
                        ultrasparc)               echo -xarch=sparcvis       ;;
1974
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1975
                        i586|pentium)             echo -xchip=pentium        ;;
1976
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1977
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1978
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1979
                        pentium4*)          echo -xtarget=pentium4           ;;
1980
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1981
                        *-sse3)             echo -xarch=sse3                 ;;
1982
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1983
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1984
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1985
                        k8|opteron|athlon64|athlon-fx)
1986
                                                  echo -xarch=sse2a          ;;
1987
                        athlon*)                  echo -xarch=pentium_proa   ;;
1988
                    esac
1989
                    ;;
1990
                -std=c99)             echo -xc99              ;;
1991
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1992
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1993
                -W*,*)                echo $flag              ;;
1994
                -f*-*|-W*)                                    ;;
1995
                *)                    echo $flag              ;;
1996
            esac
1997
        done
1998
    }
1999
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2000
    cc_type=pathscale
2001
    cc_version=__PATHSCALE__
2002
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2003
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2004
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2005
    speed_cflags='-O2'
2006
    size_cflags='-Os'
2007
elif $cc -v 2>&1 | grep -q Open64; then
2008
    cc_type=open64
2009
    cc_version=__OPEN64__
2010
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2011
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2012
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2013
    speed_cflags='-O2'
2014
    size_cflags='-Os'
2015
fi
2016

    
2017
test -n "$cc_type" && enable $cc_type ||
2018
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2019

    
2020
: ${as_default:=$cc}
2021
: ${dep_cc_default:=$cc}
2022
: ${ld_default:=$cc}
2023
set_default ar as dep_cc ld
2024

    
2025
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2026
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2027

    
2028
add_cflags $extra_cflags
2029
add_asflags $extra_cflags
2030

    
2031
if test -n "$sysroot"; then
2032
    case "$cc_type" in
2033
        gcc|llvm_gcc)
2034
            add_cppflags --sysroot="$sysroot"
2035
            add_ldflags --sysroot="$sysroot"
2036
        ;;
2037
        tms470)
2038
            add_cppflags -I"$sysinclude"
2039
            add_ldflags  --sysroot="$sysroot"
2040
        ;;
2041
        clang)
2042
            add_cppflags -isysroot "$sysroot"
2043
            add_ldflags -isysroot "$sysroot"
2044
        ;;
2045
    esac
2046
fi
2047

    
2048
if test "$cpu" = host; then
2049
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2050

    
2051
    case "$cc_type" in
2052
        gcc|llvm_gcc)
2053
            check_native(){
2054
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2055
                sed -n "/$1=/{
2056
                            s/.*$1=\\([^ ]*\\).*/\\1/
2057
                            p
2058
                            q
2059
                        }" $TMPE
2060
            }
2061
            cpu=$(check_native -march || check_native -mcpu)
2062
        ;;
2063
    esac
2064

    
2065
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2066
fi
2067

    
2068
# Deal with common $arch aliases
2069
case "$arch" in
2070
    arm*)
2071
        arch="arm"
2072
    ;;
2073
    mips|mipsel|IP*)
2074
        arch="mips"
2075
    ;;
2076
    mips64*)
2077
        arch="mips"
2078
        subarch="mips64"
2079
    ;;
2080
    parisc|hppa)
2081
        arch="parisc"
2082
    ;;
2083
    parisc64|hppa64)
2084
        arch="parisc"
2085
        subarch="parisc64"
2086
    ;;
2087
    "Power Macintosh"|ppc|powerpc)
2088
        arch="ppc"
2089
    ;;
2090
    ppc64|powerpc64)
2091
        arch="ppc"
2092
        subarch="ppc64"
2093
    ;;
2094
    s390|s390x)
2095
        arch="s390"
2096
    ;;
2097
    sh4|sh)
2098
        arch="sh4"
2099
    ;;
2100
    sun4u|sparc64)
2101
        arch="sparc"
2102
        subarch="sparc64"
2103
    ;;
2104
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2105
        arch="x86"
2106
    ;;
2107
esac
2108

    
2109
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2110
enable $arch
2111

    
2112
# Add processor-specific flags
2113
if test "$cpu" = generic; then
2114
    : do nothing
2115
elif enabled ppc; then
2116

    
2117
    case $(tolower $cpu) in
2118
        601|ppc601|powerpc601)
2119
            cpuflags="-mcpu=601"
2120
            disable altivec
2121
        ;;
2122
        603*|ppc603*|powerpc603*)
2123
            cpuflags="-mcpu=603"
2124
            disable altivec
2125
        ;;
2126
        604*|ppc604*|powerpc604*)
2127
            cpuflags="-mcpu=604"
2128
            disable altivec
2129
        ;;
2130
        g3|75*|ppc75*|powerpc75*)
2131
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2132
            disable altivec
2133
        ;;
2134
        g4|745*|ppc745*|powerpc745*)
2135
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2136
        ;;
2137
        74*|ppc74*|powerpc74*)
2138
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2139
        ;;
2140
        g5|970|ppc970|powerpc970|power4*)
2141
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2142
        ;;
2143
        cell)
2144
            cpuflags="-mcpu=cell"
2145
            enable ldbrx
2146
        ;;
2147
        e500v2)
2148
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2149
            disable altivec
2150
        ;;
2151
        e500)
2152
            cpuflags="-mcpu=8540 -mhard-float"
2153
            disable altivec
2154
        ;;
2155
    esac
2156

    
2157
elif enabled x86; then
2158

    
2159
    case $cpu in
2160
        i[345]86|pentium)
2161
            cpuflags="-march=$cpu"
2162
            disable mmx
2163
        ;;
2164
        # targets that do NOT support conditional mov (cmov)
2165
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2166
            cpuflags="-march=$cpu"
2167
            disable cmov
2168
        ;;
2169
        # targets that do support conditional mov (cmov)
2170
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2171
            cpuflags="-march=$cpu"
2172
            enable cmov
2173
            enable fast_cmov
2174
        ;;
2175
        # targets that do support conditional mov but on which it's slow
2176
        pentium4|pentium4m|prescott|nocona)
2177
            cpuflags="-march=$cpu"
2178
            enable cmov
2179
            disable fast_cmov
2180
        ;;
2181
    esac
2182

    
2183
elif enabled sparc; then
2184

    
2185
    case $cpu in
2186
        niagara)
2187
            cpuflags="-mcpu=$cpu"
2188
            disable vis
2189
        ;;
2190
        sparc64)
2191
            cpuflags="-mcpu=v9"
2192
        ;;
2193
    esac
2194

    
2195
elif enabled arm; then
2196

    
2197
    case $cpu in
2198
        armv*)
2199
            cpuflags="-march=$cpu"
2200
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2201
        ;;
2202
        *)
2203
            cpuflags="-mcpu=$cpu"
2204
            case $cpu in
2205
                cortex-a*)                               subarch=armv7a  ;;
2206
                cortex-r*)                               subarch=armv7r  ;;
2207
                cortex-m*)                               subarch=armv7m  ;;
2208
                arm11*)                                  subarch=armv6   ;;
2209
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2210
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2211
            esac
2212
        ;;
2213
    esac
2214

    
2215
elif enabled alpha; then
2216

    
2217
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2218

    
2219
elif enabled bfin; then
2220

    
2221
    cpuflags="-mcpu=$cpu"
2222

    
2223
elif enabled mips; then
2224

    
2225
    cpuflags="-march=$cpu"
2226

    
2227
elif enabled avr32; then
2228

    
2229
    case $cpu in
2230
        ap7[02]0[0-2])
2231
            subarch="avr32_ap"
2232
            cpuflags="-mpart=$cpu"
2233
        ;;
2234
        ap)
2235
            subarch="avr32_ap"
2236
            cpuflags="-march=$cpu"
2237
        ;;
2238
        uc3[ab]*)
2239
            subarch="avr32_uc"
2240
            cpuflags="-mcpu=$cpu"
2241
        ;;
2242
        uc)
2243
            subarch="avr32_uc"
2244
            cpuflags="-march=$cpu"
2245
        ;;
2246
    esac
2247

    
2248
fi
2249

    
2250
add_cflags $cpuflags
2251
add_asflags $cpuflags
2252

    
2253
# compiler sanity check
2254
check_exec <<EOF
2255
int main(void){ return 0; }
2256
EOF
2257
if test "$?" != 0; then
2258
    echo "$cc is unable to create an executable file."
2259
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2260
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2261
        echo "Only do this if you know what cross compiling means."
2262
    fi
2263
    die "C compiler test failed."
2264
fi
2265

    
2266
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2267
check_cflags -std=c99
2268
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2269
#include <stdlib.h>
2270
EOF
2271
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2272
#include <stdlib.h>
2273
EOF
2274

    
2275
check_host_cflags -std=c99
2276

    
2277
case "$arch" in
2278
    alpha|ia64|mips|parisc|sparc)
2279
        spic=$shared
2280
    ;;
2281
    x86)
2282
        subarch="x86_32"
2283
        check_cc <<EOF && subarch="x86_64"
2284
        int test[(int)sizeof(char*) - 7];
2285
EOF
2286
        if test "$subarch" = "x86_64"; then
2287
            spic=$shared
2288
        fi
2289
    ;;
2290
esac
2291

    
2292
enable $subarch
2293
enabled spic && enable pic
2294

    
2295
# OS specific
2296
case $target_os in
2297
    haiku)
2298
        prefix_default="/boot/common"
2299
        network_extralibs="-lnetwork"
2300
        ;;
2301
    sunos)
2302
        FFSERVERLDFLAGS=""
2303
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2304
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2305
        network_extralibs="-lsocket -lnsl"
2306
        add_cppflags -D__EXTENSIONS__
2307
        nm_opts='-P -g'
2308
        ;;
2309
    netbsd)
2310
        oss_indev_extralibs="-lossaudio"
2311
        oss_outdev_extralibs="-lossaudio"
2312
        add_cppflags -D_XOPEN_SOURCE=600
2313
        ;;
2314
    openbsd)
2315
        enable malloc_aligned
2316
        # On OpenBSD 4.5. the compiler does not use PIC unless
2317
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2318
        # however the generated executable will not do anything
2319
        # (simply quits with exit-code 1, no crash, no output).
2320
        # Thus explicitly enable PIC here.
2321
        enable pic
2322
        SHFLAGS='-shared'
2323
        oss_indev_extralibs="-lossaudio"
2324
        oss_outdev_extralibs="-lossaudio"
2325
        ;;
2326
    freebsd|dragonfly)
2327
        enable malloc_aligned
2328
        ;;
2329
    bsd/os)
2330
        add_extralibs -lpoll -lgnugetopt
2331
        strip="strip -d"
2332
        ;;
2333
    darwin)
2334
        enable malloc_aligned
2335
        gas="gas-preprocessor.pl $cc"
2336
        enabled ppc && add_asflags -force_cpusubtype_ALL
2337
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2338
        strip="${strip} -x"
2339
        add_ldflags -Wl,-dynamic,-search_paths_first
2340
        SLIBSUF=".dylib"
2341
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2342
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2343
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2344
        objformat="macho"
2345
        enabled x86_64 && objformat="macho64"
2346
        enabled_any pic shared ||
2347
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2348
        ;;
2349
    mingw32*)
2350
        if test $target_os = "mingw32ce"; then
2351
            disable network
2352
        else
2353
            target_os=mingw32
2354
        fi
2355
        LIBTARGET=i386
2356
        if enabled x86_64; then
2357
            enable malloc_aligned
2358
            LIBTARGET=x64
2359
        elif enabled arm; then
2360
            LIBTARGET=arm
2361
        fi
2362
        shlibdir_default="$bindir_default"
2363
        disable ffserver
2364
        SLIBPREF=""
2365
        SLIBSUF=".dll"
2366
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2367
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2368
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2369
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2370
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2371
            install -d "$(LIBDIR)"; \
2372
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2373
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2374
        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'
2375
        objformat="win32"
2376
        enable dos_paths
2377
        check_cflags -fno-common
2378
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2379
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2380
                die "ERROR: MinGW runtime version must be >= 3.15."
2381
        ;;
2382
    cygwin*)
2383
        target_os=cygwin
2384
        shlibdir_default="$bindir_default"
2385
        SLIBPREF="cyg"
2386
        SLIBSUF=".dll"
2387
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2388
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2389
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2390
        objformat="win32"
2391
        enable dos_paths
2392
        check_cflags -fno-common
2393
        ;;
2394
    *-dos|freedos|opendos)
2395
        disable ffplay ffserver
2396
        disable $INDEV_LIST $OUTDEV_LIST
2397
        network_extralibs="-lsocket"
2398
        objformat="coff"
2399
        enable dos_paths
2400
        ;;
2401
    linux)
2402
        enable dv1394
2403
        ;;
2404
    irix*)
2405
        target_os=irix
2406
        ranlib="echo ignoring ranlib"
2407
        ;;
2408
    os/2*)
2409
        strip="lxlite"
2410
        ln_s="cp -f"
2411
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2412
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2413
        FFSERVERLDFLAGS=""
2414
        LIBSUF="_s.a"
2415
        SLIBPREF=""
2416
        SLIBSUF=".dll"
2417
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2418
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2419
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2420
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2421
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2422
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2423
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2424
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2425
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2426
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2427
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2428
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2429
        enable dos_paths
2430
        ;;
2431
    gnu/kfreebsd)
2432
        ;;
2433
    gnu)
2434
        ;;
2435
    none)
2436
        ;;
2437
    *)
2438
        die "Unknown OS '$target_os'."
2439
        ;;
2440
esac
2441

    
2442
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2443

    
2444
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2445

    
2446
set_default $PATHS_LIST
2447

    
2448
# we need to build at least one lib type
2449
if ! enabled_any static shared; then
2450
    cat <<EOF
2451
At least one library type must be built.
2452
Specify --enable-static to build the static libraries or --enable-shared to
2453
build the shared libraries as well. To only build the shared libraries specify
2454
--disable-static in addition to --enable-shared.
2455
EOF
2456
    exit 1;
2457
fi
2458

    
2459
disabled static && LIBNAME=""
2460

    
2461
die_license_disabled() {
2462
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2463
}
2464

    
2465
die_license_disabled gpl libx264
2466
die_license_disabled gpl libxavs
2467
die_license_disabled gpl libxvid
2468
die_license_disabled gpl postproc
2469
die_license_disabled gpl x11grab
2470

    
2471
die_license_disabled nonfree libfaac
2472

    
2473
die_license_disabled version3 libopencore_amrnb
2474
die_license_disabled version3 libopencore_amrwb
2475

    
2476
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2477

    
2478
check_deps $ARCH_EXT_LIST
2479

    
2480
disabled optimizations || check_cflags -fomit-frame-pointer
2481

    
2482
enable_pic() {
2483
    enable pic
2484
    add_cppflags -DPIC
2485
    add_cflags   -fPIC
2486
    add_asflags  -fPIC
2487
}
2488

    
2489
enabled pic && enable_pic
2490

    
2491
check_cc <<EOF || die "Symbol mangling check failed."
2492
int ff_extern;
2493
EOF
2494
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2495
extern_prefix=${sym%%ff_extern*}
2496

    
2497
check_cc <<EOF && enable inline_asm
2498
void foo(void) { __asm__ volatile ("" ::); }
2499
EOF
2500

    
2501
_restrict=
2502
for restrict_keyword in restrict __restrict__ __restrict; do
2503
    check_cc <<EOF && _restrict=$restrict_keyword && break
2504
void foo(char * $restrict_keyword p);
2505
EOF
2506
done
2507

    
2508
check_cc <<EOF && enable attribute_packed
2509
struct { int x; } __attribute__((packed)) x;
2510
EOF
2511

    
2512
check_cc <<EOF && enable attribute_may_alias
2513
union { int x; } __attribute__((may_alias)) x;
2514
EOF
2515

    
2516
check_cc <<EOF || die "endian test failed"
2517
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2518
EOF
2519
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2520

    
2521
if enabled alpha; then
2522

    
2523
    check_cflags -mieee
2524

    
2525
elif enabled arm; then
2526

    
2527
    check_cflags -marm
2528
    nogas=die
2529

    
2530
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2531
        enable vfp_args
2532
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2533
        case "${cross_prefix:-$cc}" in
2534
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2535
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2536
__asm__ (".eabi_attribute 28, 1");
2537
int main(void) { return 0; }
2538
EOF
2539
        esac
2540
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2541
    fi
2542

    
2543
    # We have to check if pld is a nop and disable it.
2544
    check_asm pld '"pld [r0]"'
2545

    
2546
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2547
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2548
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2549
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2550
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2551
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2552

    
2553
    enabled_all armv6t2 shared !pic && enable_pic
2554

    
2555
elif enabled mips; then
2556

    
2557
    check_asm loongson '"dmult.g $1, $2, $3"'
2558
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2559

    
2560
elif enabled ppc; then
2561

    
2562
    enable local_aligned_8 local_aligned_16
2563

    
2564
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2565
    check_asm ibm_asm   '"add 0, 0, 0"'
2566
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2567
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2568

    
2569
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2570
    if enabled altivec; then
2571
        nogas=warn
2572
        check_cflags -maltivec -mabi=altivec &&
2573
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2574
        check_cflags -faltivec
2575

    
2576
        # check if our compiler supports Motorola AltiVec C API
2577
        check_cc <<EOF || disable altivec
2578
$inc_altivec_h
2579
int main(void) {
2580
    vector signed int v1, v2, v3;
2581
    v1 = vec_add(v2,v3);
2582
    return 0;
2583
}
2584
EOF
2585

    
2586
        # check if our compiler supports braces for vector declarations
2587
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2588
$inc_altivec_h
2589
int main (void) { (vector int) {1}; return 0; }
2590
EOF
2591
    fi
2592

    
2593
elif enabled sparc; then
2594

    
2595
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2596
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2597

    
2598
elif enabled x86; then
2599

    
2600
    enable local_aligned_8 local_aligned_16
2601

    
2602
    # check whether EBP is available on x86
2603
    # As 'i' is stored on the stack, this program will crash
2604
    # if the base pointer is used to access it because the
2605
    # base pointer is cleared in the inline assembly code.
2606
    check_exec_crash <<EOF && enable ebp_available
2607
    volatile int i=0;
2608
    __asm__ volatile (
2609
        "xorl %%ebp, %%ebp"
2610
    ::: "%ebp");
2611
    return i;
2612
EOF
2613

    
2614
    # check whether EBX is available on x86
2615
    check_asm ebx_available '""::"b"(0)' &&
2616
        check_asm ebx_available '"":::"%ebx"'
2617

    
2618
    # check whether xmm clobbers are supported
2619
    check_asm xmm_clobbers '"":::"%xmm0"'
2620

    
2621
    # check whether more than 10 operands are supported
2622
    check_cc <<EOF && enable ten_operands
2623
int main(void) {
2624
    int x=0;
2625
    __asm__ volatile(
2626
        ""
2627
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2628
    );
2629
    return 0;
2630
}
2631
EOF
2632

    
2633
    # check whether binutils is new enough to compile SSSE3/MMX2
2634
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2635
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2636

    
2637
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2638

    
2639
    if ! disabled_any asm mmx yasm; then
2640
        if check_cmd $yasmexe --version; then
2641
            enabled x86_64 && yasm_extra="-m amd64"
2642
            yasm_debug="-g dwarf2"
2643
        elif check_cmd nasm -v; then
2644
            yasmexe=nasm
2645
            yasm_debug="-g -F dwarf"
2646
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2647
        fi
2648

    
2649
        YASMFLAGS="-f $objformat $yasm_extra"
2650
        enabled pic               && append YASMFLAGS "-DPIC"
2651
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2652
        case "$objformat" in
2653
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2654
        esac
2655

    
2656
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2657
            die "yasm not found, use --disable-yasm for a crippled build"
2658
    fi
2659

    
2660
    case "$cpu" in
2661
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2662
            disable fast_clz
2663
        ;;
2664
    esac
2665

    
2666
fi
2667

    
2668
if enabled asm; then
2669
    as=${gas:=$as}
2670
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2671
        $nogas "GNU assembler not found, install gas-preprocessor"
2672
fi
2673

    
2674
if check_func dlopen; then
2675
    ldl=
2676
elif check_func dlopen -ldl; then
2677
    ldl=-ldl
2678
fi
2679

    
2680
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2681
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2682

    
2683
check_func  fcntl
2684
check_func  fork
2685
check_func  getaddrinfo $network_extralibs
2686
check_func  gethrtime
2687
check_func  getrusage
2688
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2689
check_func  inet_aton $network_extralibs
2690
check_func  isatty
2691
check_func  ${malloc_prefix}memalign            && enable memalign
2692
check_func  mkstemp
2693
check_func  mmap
2694
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2695
check_func  setrlimit
2696
check_func  strerror_r
2697
check_func  strtok_r
2698
check_func_headers io.h setmode
2699
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2700
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2701
check_func_headers windows.h GetProcessTimes
2702
check_func_headers windows.h MapViewOfFile
2703
check_func_headers windows.h VirtualAlloc
2704

    
2705
check_header conio.h
2706
check_header dlfcn.h
2707
check_header dxva2api.h
2708
check_header malloc.h
2709
check_header poll.h
2710
check_header sys/mman.h
2711
check_header sys/resource.h
2712
check_header sys/select.h
2713
check_header termios.h
2714
check_header vdpau/vdpau.h
2715
check_header vdpau/vdpau_x11.h
2716
check_header X11/extensions/XvMClib.h
2717

    
2718
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2719

    
2720
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2721
     enabled_any $need_memalign ; then
2722
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2723
fi
2724

    
2725
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2726
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2727

    
2728
# check for some common methods of building with pthread support
2729
# do this before the optional library checks as some of them require pthreads
2730
if ! disabled pthreads && ! enabled w32threads; then
2731
    enable pthreads
2732
    if check_func pthread_create; then
2733
        :
2734
    elif check_func pthread_create -pthread; then
2735
        add_cflags -pthread
2736
        add_extralibs -pthread
2737
    elif check_func pthread_create -pthreads; then
2738
        add_cflags -pthreads
2739
        add_extralibs -pthreads
2740
    elif check_func pthread_create -lpthreadGC2; then
2741
        add_extralibs -lpthreadGC2
2742
    elif ! check_lib pthread.h pthread_create -lpthread; then
2743
        disable pthreads
2744
    fi
2745
fi
2746

    
2747
for thread in $THREADS_LIST; do
2748
    if enabled $thread; then
2749
        test -n "$thread_type" &&
2750
            die "ERROR: Only one thread type must be selected." ||
2751
            thread_type="$thread"
2752
    fi
2753
done
2754

    
2755
check_lib math.h sin -lm
2756
disabled vaapi || check_lib va/va.h vaInitialize -lva
2757

    
2758
check_mathfunc exp2
2759
check_mathfunc exp2f
2760
check_mathfunc llrint
2761
check_mathfunc llrintf
2762
check_mathfunc log2
2763
check_mathfunc log2f
2764
check_mathfunc lrint
2765
check_mathfunc lrintf
2766
check_mathfunc round
2767
check_mathfunc roundf
2768
check_mathfunc truncf
2769

    
2770
# these are off by default, so fail if requested and not available
2771
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2772
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2773
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2774
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2775
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2776
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2777
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2778
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2779
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2780
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2781
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2782
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2783
                        die "ERROR: libopencv not found"; }
2784
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2785
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2786
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2787
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2788
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2789
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2790
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2791
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2792
enabled libvpx     && {
2793
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2794
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2795
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2796
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2797
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2798
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2799
                        die "ERROR: libx264 version must be >= 0.99."; }
2800
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2801
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2802
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2803

    
2804
# libdc1394 check
2805
if enabled libdc1394; then
2806
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2807
        enable libdc1394_2; } ||
2808
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2809
        enable libdc1394_1; } ||
2810
    die "ERROR: No version of libdc1394 found "
2811
fi
2812

    
2813
SDL_CONFIG="${cross_prefix}sdl-config"
2814
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2815
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2816
    sdl_libs=$("${SDL_CONFIG}" --libs)
2817
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2818
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2819
    enable sdl &&
2820
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2821
fi
2822

    
2823
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2824

    
2825
if enabled network; then
2826
    check_type "sys/types.h sys/socket.h" socklen_t
2827
    check_type netdb.h "struct addrinfo"
2828
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2829
    check_type netinet/in.h "struct sockaddr_in6"
2830
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2831
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2832
    # Prefer arpa/inet.h over winsock2
2833
    if check_header arpa/inet.h ; then
2834
        check_func closesocket
2835
    elif check_header winsock2.h ; then
2836
        check_func_headers winsock2.h closesocket -lws2 && \
2837
            network_extralibs="-lws2" || \
2838
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2839
            network_extralibs="-lws2_32"; }
2840
        check_type ws2tcpip.h socklen_t
2841
        check_type ws2tcpip.h "struct addrinfo"
2842
        check_type ws2tcpip.h "struct ipv6_mreq"
2843
        check_type ws2tcpip.h "struct sockaddr_in6"
2844
        check_type ws2tcpip.h "struct sockaddr_storage"
2845
        check_struct winsock2.h "struct sockaddr" sa_len
2846
    else
2847
        disable network
2848
    fi
2849
fi
2850

    
2851
check_header linux/videodev.h
2852
check_header linux/videodev2.h
2853
check_header sys/videoio.h
2854

    
2855
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2856
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2857
# w32api 3.12 had it defined wrong
2858
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2859

    
2860
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2861
{ check_header dev/bktr/ioctl_meteor.h &&
2862
  check_header dev/bktr/ioctl_bt848.h; } ||
2863
{ check_header machine/ioctl_meteor.h &&
2864
  check_header machine/ioctl_bt848.h; } ||
2865
{ check_header dev/video/meteor/ioctl_meteor.h &&
2866
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2867
check_header dev/ic/bt8xx.h
2868

    
2869
check_header sys/soundcard.h
2870
check_header soundcard.h
2871

    
2872
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2873

    
2874
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2875

    
2876
enabled x11grab                         &&
2877
check_header X11/Xlib.h                 &&
2878
check_header X11/extensions/XShm.h      &&
2879
check_header X11/extensions/Xfixes.h    &&
2880
check_func XOpenDisplay -lX11           &&
2881
check_func XShmCreateImage -lX11 -lXext &&
2882
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2883

    
2884
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2885
check_cpp_condition \
2886
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2887
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2888
      disable vdpau; }
2889
fi
2890

    
2891
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2892

    
2893
# add some useful compiler flags if supported
2894
check_cflags -Wdeclaration-after-statement
2895
check_cflags -Wall
2896
check_cflags -Wno-parentheses
2897
check_cflags -Wno-switch
2898
check_cflags -Wdisabled-optimization
2899
check_cflags -Wpointer-arith
2900
check_cflags -Wredundant-decls
2901
check_cflags -Wno-pointer-sign
2902
check_cflags -Wcast-qual
2903
check_cflags -Wwrite-strings
2904
check_cflags -Wtype-limits
2905
check_cflags -Wundef
2906
check_cflags -Wmissing-prototypes
2907
enabled extra_warnings && check_cflags -Winline
2908

    
2909
# add some linker flags
2910
check_ldflags -Wl,--warn-common
2911
check_ldflags -Wl,--as-needed
2912
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'
2913
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2914

    
2915
echo "X{};" > $TMPV
2916
if test_ldflags -Wl,--version-script,$TMPV; then
2917
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2918
    check_cc <<EOF && enable symver_asm_label
2919
void ff_foo(void) __asm__ ("av_foo@VERSION");
2920
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2921
EOF
2922
    check_cc <<EOF && enable symver_gnu_asm
2923
__asm__(".symver ff_foo,av_foo@VERSION");
2924
void ff_foo(void) {}
2925
EOF
2926
fi
2927

    
2928
if enabled small; then
2929
    add_cflags $size_cflags
2930
    optimizations="small"
2931
elif enabled optimizations; then
2932
    add_cflags $speed_cflags
2933
else
2934
    add_cflags $noopt_cflags
2935
fi
2936
check_cflags -fno-math-errno
2937
check_cflags -fno-signed-zeros
2938

    
2939
if enabled icc; then
2940
    # Just warnings, no remarks
2941
    check_cflags -w1
2942
    # -wd: Disable following warnings
2943
    # 144, 167, 556: -Wno-pointer-sign
2944
    # 10006: ignoring unknown option -fno-signed-zeros
2945
    # 10148: ignoring unknown option -Wno-parentheses
2946
    # 10156: ignoring option '-W'; no argument required
2947
    check_cflags -wd144,167,556,10006,10148,10156
2948
    # 11030: Warning unknown option --as-needed
2949
    # 10156: ignoring option '-export'; no argument required
2950
    check_ldflags -wd10156,11030
2951
    # Allow to compile with optimizations
2952
    check_ldflags -march=$cpu
2953
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2954
    enable ebp_available
2955
    if enabled x86_32; then
2956
        test ${icc_version%%.*} -ge 11 && \
2957
            check_cflags -falign-stack=maintain-16-byte || \
2958
            disable aligned_stack
2959
    fi
2960
elif enabled ccc; then
2961
    # disable some annoying warnings
2962
    add_cflags -msg_disable cvtu32to64
2963
    add_cflags -msg_disable embedcomment
2964
    add_cflags -msg_disable needconstext
2965
    add_cflags -msg_disable nomainieee
2966
    add_cflags -msg_disable ptrmismatch1
2967
    add_cflags -msg_disable unreachcode
2968
elif enabled gcc; then
2969
    check_cflags -fno-tree-vectorize
2970
    check_cflags -Werror=implicit-function-declaration
2971
    check_cflags -Werror=missing-prototypes
2972
elif enabled llvm_gcc; then
2973
    check_cflags -mllvm -stack-alignment=16
2974
elif enabled clang; then
2975
    check_cflags -mllvm -stack-alignment=16
2976
    check_cflags -Qunused-arguments
2977
elif enabled armcc; then
2978
    # 2523: use of inline assembler is deprecated
2979
    add_cflags -W${armcc_opt},--diag_suppress=2523
2980
    add_cflags -W${armcc_opt},--diag_suppress=1207
2981
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
2982
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
2983
elif enabled tms470; then
2984
    add_cflags -pds=824 -pds=837
2985
fi
2986

    
2987
enabled_any $THREADS_LIST      && enable threads
2988

    
2989
check_deps $CONFIG_LIST       \
2990
           $CONFIG_EXTRA      \
2991
           $HAVE_LIST         \
2992
           $DECODER_LIST      \
2993
           $ENCODER_LIST      \
2994
           $HWACCEL_LIST      \
2995
           $PARSER_LIST       \
2996
           $BSF_LIST          \
2997
           $DEMUXER_LIST      \
2998
           $MUXER_LIST        \
2999
           $FILTER_LIST       \
3000
           $INDEV_LIST        \
3001
           $OUTDEV_LIST       \
3002
           $PROTOCOL_LIST     \
3003
           $ACODEC_TESTS      \
3004
           $VCODEC_TESTS      \
3005
           $LAVF_TESTS        \
3006
           $LAVFI_TESTS       \
3007
           $SEEK_TESTS        \
3008

    
3009
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3010

    
3011
echo "install prefix            $prefix"
3012
echo "source path               $source_path"
3013
echo "C compiler                $cc"
3014
echo "ARCH                      $arch ($cpu)"
3015
if test "$build_suffix" != ""; then
3016
    echo "build suffix              $build_suffix"
3017
fi
3018
if test "$extra_version" != ""; then
3019
    echo "version string suffix     $extra_version"
3020
fi
3021
echo "big-endian                ${bigendian-no}"
3022
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3023
if enabled x86; then
3024
    echo "yasm                      ${yasm-no}"
3025
    echo "MMX enabled               ${mmx-no}"
3026
    echo "MMX2 enabled              ${mmx2-no}"
3027
    echo "3DNow! enabled            ${amd3dnow-no}"
3028
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3029
    echo "SSE enabled               ${sse-no}"
3030
    echo "SSSE3 enabled             ${ssse3-no}"
3031
    echo "CMOV enabled              ${cmov-no}"
3032
    echo "CMOV is fast              ${fast_cmov-no}"
3033
    echo "EBX available             ${ebx_available-no}"
3034
    echo "EBP available             ${ebp_available-no}"
3035
    echo "10 operands supported     ${ten_operands-no}"
3036
fi
3037
if enabled arm; then
3038
    echo "ARMv5TE enabled           ${armv5te-no}"
3039
    echo "ARMv6 enabled             ${armv6-no}"
3040
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3041
    echo "ARM VFP enabled           ${armvfp-no}"
3042
    echo "IWMMXT enabled            ${iwmmxt-no}"
3043
    echo "NEON enabled              ${neon-no}"
3044
fi
3045
if enabled mips; then
3046
    echo "MMI enabled               ${mmi-no}"
3047
fi
3048
if enabled ppc; then
3049
    echo "AltiVec enabled           ${altivec-no}"
3050
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3051
    echo "dcbzl available           ${dcbzl-no}"
3052
fi
3053
if enabled sparc; then
3054
    echo "VIS enabled               ${vis-no}"
3055
fi
3056
echo "debug symbols             ${debug-no}"
3057
echo "strip symbols             ${stripping-no}"
3058
echo "optimizations             ${optimizations-no}"
3059
echo "static                    ${static-no}"
3060
echo "shared                    ${shared-no}"
3061
echo "postprocessing support    ${postproc-no}"
3062
echo "new filter support        ${avfilter-no}"
3063
echo "network support           ${network-no}"
3064
echo "threading support         ${thread_type-no}"
3065
echo "SDL support               ${sdl-no}"
3066
echo "Sun medialib support      ${mlib-no}"
3067
echo "AVISynth enabled          ${avisynth-no}"
3068
echo "frei0r enabled            ${frei0r-no}"
3069
echo "libdc1394 support         ${libdc1394-no}"
3070
echo "libdirac enabled          ${libdirac-no}"
3071
echo "libfaac enabled           ${libfaac-no}"
3072
echo "libgsm enabled            ${libgsm-no}"
3073
echo "libmp3lame enabled        ${libmp3lame-no}"
3074
echo "libnut enabled            ${libnut-no}"
3075
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3076
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3077
echo "libopencv support         ${libopencv-no}"
3078
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3079
echo "librtmp enabled           ${librtmp-no}"
3080
echo "libschroedinger enabled   ${libschroedinger-no}"
3081
echo "libspeex enabled          ${libspeex-no}"
3082
echo "libtheora enabled         ${libtheora-no}"
3083
echo "libvorbis enabled         ${libvorbis-no}"
3084
echo "libvpx enabled            ${libvpx-no}"
3085
echo "libx264 enabled           ${libx264-no}"
3086
echo "libxavs enabled           ${libxavs-no}"
3087
echo "libxvid enabled           ${libxvid-no}"
3088
echo "zlib enabled              ${zlib-no}"
3089
echo "bzlib enabled             ${bzlib-no}"
3090
echo
3091

    
3092
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3093
    echo "Enabled ${type}s:"
3094
    eval list=\$$(toupper $type)_LIST
3095
    print_enabled '_*' $list | sort | pr -3 -t
3096
    echo
3097
done
3098

    
3099
license="LGPL version 2.1 or later"
3100
if enabled nonfree; then
3101
    license="nonfree and unredistributable"
3102
elif enabled gplv3; then
3103
    license="GPL version 3 or later"
3104
elif enabled lgplv3; then
3105
    license="LGPL version 3 or later"
3106
elif enabled gpl; then
3107
    license="GPL version 2 or later"
3108
fi
3109

    
3110
echo "License: $license"
3111

    
3112
echo "Creating config.mak and config.h..."
3113

    
3114
# build tree in object directory if source path is different from current one
3115
if enabled source_path_used; then
3116
    DIRS="
3117
        doc
3118
        libavcodec
3119
        libavcodec/$arch
3120
        libavcore
3121
        libavdevice
3122
        libavfilter
3123
        libavfilter/$arch
3124
        libavfilter/libmpcodecs
3125
        libavfilter/libmpcodecs/libvo
3126
        libavformat
3127
        libavutil
3128
        libavutil/$arch
3129
        libpostproc
3130
        libswscale
3131
        libswscale/$arch
3132
        tests
3133
        tools
3134
    "
3135
    FILES="
3136
        Makefile
3137
        common.mak
3138
        subdir.mak
3139
        doc/texi2pod.pl
3140
        libavcodec/Makefile
3141
        libavcodec/${arch}/Makefile
3142
        libavcore/Makefile
3143
        libavdevice/Makefile
3144
        libavfilter/Makefile
3145
        libavfilter/${arch}/Makefile
3146
        libavformat/Makefile
3147
        libavutil/Makefile
3148
        libpostproc/Makefile
3149
        libswscale/Makefile
3150
    "
3151
    map 'mkdir -p $v' $DIRS;
3152
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3153
fi
3154

    
3155
enabled stripping || strip="echo skipping strip"
3156

    
3157
config_files="$TMPH config.mak"
3158

    
3159
cat > config.mak <<EOF
3160
# Automatically generated by configure - do not modify!
3161
ifndef FFMPEG_CONFIG_MAK
3162
FFMPEG_CONFIG_MAK=1
3163
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3164
prefix=$prefix
3165
LIBDIR=\$(DESTDIR)$libdir
3166
SHLIBDIR=\$(DESTDIR)$shlibdir
3167
INCDIR=\$(DESTDIR)$incdir
3168
BINDIR=\$(DESTDIR)$bindir
3169
DATADIR=\$(DESTDIR)$datadir
3170
MANDIR=\$(DESTDIR)$mandir
3171
SRC_PATH="$source_path"
3172
SRC_PATH_BARE=$source_path
3173
BUILD_ROOT="$PWD"
3174
CC_IDENT=$cc_ident
3175
ARCH=$arch
3176
CC=$cc
3177
AS=$as
3178
LD=$ld
3179
DEPCC=$dep_cc
3180
YASM=$yasmexe
3181
YASMDEP=$yasmexe
3182
AR=$ar
3183
RANLIB=$ranlib
3184
CP=cp -p
3185
LN_S=$ln_s
3186
STRIP=$strip
3187
CPPFLAGS=$CPPFLAGS
3188
CFLAGS=$CFLAGS
3189
ASFLAGS=$ASFLAGS
3190
CC_O=$CC_O
3191
LDFLAGS=$LDFLAGS
3192
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3193
SHFLAGS=$SHFLAGS
3194
YASMFLAGS=$YASMFLAGS
3195
BUILDSUF=$build_suffix
3196
FULLNAME=$FULLNAME
3197
LIBPREF=$LIBPREF
3198
LIBSUF=$LIBSUF
3199
LIBNAME=$LIBNAME
3200
SLIBPREF=$SLIBPREF
3201
SLIBSUF=$SLIBSUF
3202
EXESUF=$EXESUF
3203
EXTRA_VERSION=$extra_version
3204
DEPFLAGS=$DEPFLAGS
3205
CCDEP=$CCDEP
3206
ASDEP=$ASDEP
3207
CC_DEPFLAGS=$CC_DEPFLAGS
3208
AS_DEPFLAGS=$AS_DEPFLAGS
3209
HOSTCC=$host_cc
3210
HOSTCFLAGS=$host_cflags
3211
HOSTEXESUF=$HOSTEXESUF
3212
HOSTLDFLAGS=$host_ldflags
3213
HOSTLIBS=$host_libs
3214
TARGET_EXEC=$target_exec
3215
TARGET_PATH=$target_path
3216
SDL_LIBS=$sdl_libs
3217
SDL_CFLAGS=$sdl_cflags
3218
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3219
EXTRALIBS=$extralibs
3220
INSTALL=install
3221
LIBTARGET=${LIBTARGET}
3222
SLIBNAME=${SLIBNAME}
3223
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3224
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3225
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3226
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3227
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3228
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3229
SAMPLES=$samples
3230
EOF
3231

    
3232
get_version(){
3233
    name=$1
3234
    file=$source_path/$2
3235
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3236
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3237
    lcname=$(tolower $name)
3238
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3239
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3240
}
3241

    
3242
get_version LIBSWSCALE  libswscale/swscale.h
3243
get_version LIBPOSTPROC libpostproc/postprocess.h
3244
get_version LIBAVCODEC  libavcodec/avcodec.h
3245
get_version LIBAVCORE   libavcore/avcore.h
3246
get_version LIBAVDEVICE libavdevice/avdevice.h
3247
get_version LIBAVFORMAT libavformat/avformat.h
3248
get_version LIBAVUTIL   libavutil/avutil.h
3249
get_version LIBAVFILTER libavfilter/avfilter.h
3250

    
3251
cat > $TMPH <<EOF
3252
/* Automatically generated by configure - do not modify! */
3253
#ifndef FFMPEG_CONFIG_H
3254
#define FFMPEG_CONFIG_H
3255
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3256
#define FFMPEG_LICENSE "$(c_escape $license)"
3257
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3258
#define CC_TYPE "$cc_type"
3259
#define CC_VERSION $cc_version
3260
#define restrict $_restrict
3261
#define EXTERN_PREFIX "${extern_prefix}"
3262
#define EXTERN_ASM ${extern_prefix}
3263
#define SLIBSUF "$SLIBSUF"
3264
EOF
3265

    
3266
test -n "$malloc_prefix" &&
3267
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3268

    
3269
if enabled small || disabled optimizations; then
3270
    echo "#undef  av_always_inline"  >> $TMPH
3271
    if enabled small; then
3272
        echo "#define av_always_inline inline"  >> $TMPH
3273
    else
3274
        echo "#define av_always_inline av_unused"  >> $TMPH
3275
    fi
3276
fi
3277

    
3278
if enabled yasm; then
3279
    append config_files $TMPASM
3280
    printf '' >$TMPASM
3281
fi
3282

    
3283
print_config ARCH_   "$config_files" $ARCH_LIST
3284
print_config HAVE_   "$config_files" $HAVE_LIST
3285
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3286
                                     $CONFIG_EXTRA      \
3287
                                     $DECODER_LIST      \
3288
                                     $ENCODER_LIST      \
3289
                                     $HWACCEL_LIST      \
3290
                                     $PARSER_LIST       \
3291
                                     $BSF_LIST          \
3292
                                     $DEMUXER_LIST      \
3293
                                     $MUXER_LIST        \
3294
                                     $FILTER_LIST       \
3295
                                     $PROTOCOL_LIST     \
3296
                                     $INDEV_LIST        \
3297
                                     $OUTDEV_LIST       \
3298

    
3299
cat >>config.mak <<EOF
3300
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3301
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3302
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3303
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3304
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3305
EOF
3306

    
3307
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3308
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3309

    
3310
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3311
cp_if_changed $TMPH config.h
3312
touch .config
3313

    
3314
enabled yasm && cp_if_changed $TMPASM config.asm
3315

    
3316
cat > $TMPH <<EOF
3317
/* Generated by ffconf */
3318
#ifndef AVUTIL_AVCONFIG_H
3319
#define AVUTIL_AVCONFIG_H
3320
EOF
3321

    
3322
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3323

    
3324
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3325

    
3326
cp_if_changed $TMPH libavutil/avconfig.h
3327

    
3328
test -n "$WARNINGS" && printf "\n$WARNINGS"
3329

    
3330
# build pkg-config files
3331

    
3332
pkgconfig_generate(){
3333
name=$1
3334
shortname=${name#lib}${build_suffix}
3335
comment=$2
3336
version=$3
3337
libs=$4
3338
requires=$5
3339
enabled ${name#lib} || return 0
3340
cat <<EOF > $name/$name.pc
3341
prefix=$prefix
3342
exec_prefix=\${prefix}
3343
libdir=$libdir
3344
includedir=$incdir
3345

    
3346
Name: $name
3347
Description: $comment
3348
Version: $version
3349
Requires: $(enabled shared || echo $requires)
3350
Requires.private: $(enabled shared && echo $requires)
3351
Conflicts:
3352
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3353
Libs.private: $(enabled shared && echo $libs)
3354
Cflags: -I\${includedir}
3355
EOF
3356
cat <<EOF > $name/$name-uninstalled.pc
3357
prefix=
3358
exec_prefix=
3359
libdir=\${pcfiledir}
3360
includedir=${source_path}
3361

    
3362
Name: $name
3363
Description: $comment
3364
Version: $version
3365
Requires: $requires
3366
Conflicts:
3367
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3368
Cflags: -I\${includedir}
3369
EOF
3370
}
3371

    
3372
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3373
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3374
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3375
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3376
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3377
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3378
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3379
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"