lavf: remove commented out cruft in avformat_find_stream_info()
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
DB
5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
MR
54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
3b327a4b 62Help options:
06454877 63 --help print this message
3b327a4b
DB
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76Standard options:
19bd477d 77 --logfile=FILE log tests and output to FILE [config.log]
06454877
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78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
06454877
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82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
3b327a4b 87Licensing options:
06454877
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88 --enable-gpl allow use of GPL code, the resulting libs
89 and binaries will be under GPL [no]
90 --enable-version3 upgrade (L)GPL to version 3 [no]
91 --enable-nonfree allow use of nonfree code, the resulting libs
92 and binaries will be unredistributable [no]
3b327a4b
DB
93
94Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102Component options:
06454877 103 --disable-doc do not build documentation
6291d7e4 104 --disable-avconv disable avconv build
266463da 105 --disable-avplay disable avplay build
9e12f0bf 106 --disable-avprobe disable avprobe build
4d58e4cb 107 --disable-avserver disable avserver build
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108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
cccc039f 112 --disable-avfilter disable video filter support [no]
c8af852b 113 --disable-avresample disable libavresample build [no]
0dbfc1db 114 --disable-pthreads disable pthreads [auto]
7b7b220c 115 --disable-w32threads disable Win32 threads [auto]
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116 --enable-x11grab enable X11 grabbing [no]
117 --disable-network disable network support [no]
7f3f5f46 118 --disable-dct disable DCT code
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119 --disable-mdct disable MDCT code
120 --disable-rdft disable RDFT code
3b327a4b
DB
121 --disable-fft disable FFT code
122 --enable-dxva2 enable DXVA2 code
dcb73592 123 --enable-vaapi enable VAAPI code
ac3dbb4d 124 --enable-vda enable VDA code
e8f6bd4b 125 --enable-vdpau enable VDPAU code
3b327a4b
DB
126
127Individual component options:
bb55e3a3 128 --disable-everything disable all components listed below
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129 --disable-encoder=NAME disable encoder NAME
130 --enable-encoder=NAME enable encoder NAME
131 --disable-encoders disable all encoders
132 --disable-decoder=NAME disable decoder NAME
133 --enable-decoder=NAME enable decoder NAME
134 --disable-decoders disable all decoders
135 --disable-hwaccel=NAME disable hwaccel NAME
136 --enable-hwaccel=NAME enable hwaccel NAME
137 --disable-hwaccels disable all hwaccels
138 --disable-muxer=NAME disable muxer NAME
139 --enable-muxer=NAME enable muxer NAME
140 --disable-muxers disable all muxers
141 --disable-demuxer=NAME disable demuxer NAME
142 --enable-demuxer=NAME enable demuxer NAME
143 --disable-demuxers disable all demuxers
144 --enable-parser=NAME enable parser NAME
145 --disable-parser=NAME disable parser NAME
146 --disable-parsers disable all parsers
147 --enable-bsf=NAME enable bitstream filter NAME
148 --disable-bsf=NAME disable bitstream filter NAME
149 --disable-bsfs disable all bitstream filters
150 --enable-protocol=NAME enable protocol NAME
151 --disable-protocol=NAME disable protocol NAME
152 --disable-protocols disable all protocols
3b327a4b 153 --enable-indev=NAME enable input device NAME
06454877 154 --disable-indev=NAME disable input device NAME
06454877 155 --disable-indevs disable input devices
3b327a4b
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156 --enable-outdev=NAME enable output device NAME
157 --disable-outdev=NAME disable output device NAME
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158 --disable-outdevs disable output devices
159 --disable-devices disable all devices
160 --enable-filter=NAME enable filter NAME
161 --disable-filter=NAME disable filter NAME
162 --disable-filters disable all filters
06454877
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163
164External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
47941088 167 --enable-frei0r enable frei0r video filtering
bc8c1395 168 --enable-gnutls enable gnutls [no]
e417d80d 169 --enable-libcdio enable audio CD grabbing with libcdio
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170 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
171 and libraw1394 [no]
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DB
172 --enable-libfaac enable AAC encoding via libfaac [no]
173 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 174 --enable-libfreetype enable libfreetype [no]
c547e5ff 175 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 176 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 177 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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178 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
179 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
180 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 181 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
7c922411 182 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 183 --enable-librtmp enable RTMP[E] support via librtmp [no]
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DB
184 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
185 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 186 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 187 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 188 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
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DB
189 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
190 --enable-libvpx enable VP8 de/encoding via libvpx [no]
06454877 191 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 192 --enable-libxavs enable AVS encoding via xavs [no]
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193 --enable-libxvid enable Xvid encoding via xvidcore,
194 native MPEG-4/Xvid encoder exists [no]
a060866f 195 --enable-openssl enable openssl [no]
06454877
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196 --enable-zlib enable zlib [autodetect]
197
198Advanced options (experts only):
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199 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
200 --enable-cross-compile assume a cross-compiler is used
201 --sysroot=PATH root of cross-build tree
202 --sysinclude=PATH location of cross-build system headers
203 --target-os=OS compiler targets OS [$target_os]
204 --target-exec=CMD command to run executables on target
205 --target-path=DIR path to view of build directory on target
206 --nm=NM use nm tool
121d78d0 207 --ar=AR use archive tool AR [$ar_default]
06454877
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208 --as=AS use assembler AS [$as_default]
209 --cc=CC use C compiler CC [$cc_default]
210 --ld=LD use linker LD
211 --host-cc=HOSTCC use host C compiler HOSTCC
212 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
213 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
214 --host-libs=HLIBS use libs HLIBS when linking for host
215 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
216 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
217 --extra-libs=ELIBS add ELIBS [$ELIBS]
218 --extra-version=STRING version string suffix []
3b327a4b 219 --optflags override optimization-related compiler flags
06454877 220 --build-suffix=SUFFIX library name suffix []
3b327a4b 221 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
06454877
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222 --arch=ARCH select architecture [$arch]
223 --cpu=CPU select the minimum required CPU (affects
224 instruction selection, may crash on older CPUs)
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DB
225 --enable-pic build position-independent code
226 --enable-sram allow use of on-chip SRAM
227 --disable-symver disable symbol versioning
228 --disable-fastdiv disable table-based division
229 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
230 --disable-safe-bitstream-reader
231 disable buffer boundary checking in bitreaders
232 (faster, but may crash)
233 --enable-memalign-hack emulate memalign, interferes with memory debuggers
234
235Optimization options (experts only):
c8a4ae00 236 --disable-asm disable all assembler optimizations
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237 --disable-altivec disable AltiVec optimizations
238 --disable-amd3dnow disable 3DNow! optimizations
239 --disable-amd3dnowext disable 3DNow! extended optimizations
240 --disable-mmx disable MMX optimizations
241 --disable-mmx2 disable MMX2 optimizations
242 --disable-sse disable SSE optimizations
243 --disable-ssse3 disable SSSE3 optimizations
87f1355f 244 --disable-avx disable AVX optimizations
79687079 245 --disable-fma4 disable FMA4 optimizations
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246 --disable-armv5te disable armv5te optimizations
247 --disable-armv6 disable armv6 optimizations
248 --disable-armv6t2 disable armv6t2 optimizations
249 --disable-armvfp disable ARM VFP optimizations
06454877 250 --disable-mmi disable MMI optimizations
5ea20630 251 --disable-neon disable NEON optimizations
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252 --disable-vis disable VIS optimizations
253 --disable-yasm disable use of yasm assembler
06454877 254
070c5d0f 255Developer options (useful when working on Libav itself):
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256 --disable-debug disable debugging symbols
257 --enable-debug=LEVEL set the debug level [$debuglevel]
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258 --disable-optimizations disable compiler optimizations
259 --enable-extra-warnings enable more compiler warnings
52b3cc60 260 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 261 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
RB
262 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
263 should be used only for debugging purposes)
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264
265NOTE: Object files are built at the place where configure is launched.
266EOF
60e8bc13 267 exit 0
74c53c2d 268}
cf9d24ad 269
0884fadf
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270quotes='""'
271
57bd82d4 272log(){
2270b4b2 273 echo "$@" >> $logfile
57bd82d4
MR
274}
275
720c69da 276log_file(){
c8e9f801 277 log BEGIN $1
2270b4b2 278 pr -n -t $1 >> $logfile
c8e9f801
MR
279 log END $1
280}
281
2ba042a7 282echolog(){
c8e9f801 283 log "$@"
57bd82d4 284 echo "$@"
2ba042a7
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285}
286
7bfc8ae6
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287warn(){
288 log "WARNING: $*"
289 WARNINGS="${WARNINGS}WARNING: $*\n"
290}
291
2ba042a7
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292die(){
293 echolog "$@"
294 cat <<EOF
d326cf7f 295
2ba042a7 296If you think configure made a mistake, make sure you are using the latest
4a6a21f5 297version from Git. If the latest version fails, report the problem to the
070c5d0f 298libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 299EOF
e155a21a 300 if disabled logging; then
2ba042a7 301 cat <<EOF
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302Rerun configure with logging enabled (do not use --disable-logging), and
303include the log this produces with your report.
2ba042a7
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304EOF
305 else
306cat <<EOF
e155a21a
DB
307Include the log file "$logfile" produced by configure as this will help
308solving the problem.
2ba042a7
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309EOF
310 fi
57bd82d4
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311 exit 1
312}
313
6c6007d6 314# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 315toupper(){
6c6007d6 316 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
317}
318
4a5444db 319tolower(){
6c6007d6 320 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
321}
322
14a8acf1
MR
323c_escape(){
324 echo "$*" | sed 's/["\\]/\\\0/g'
325}
326
b04251c5
MR
327sh_quote(){
328 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 329 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
MR
330 echo "$v"
331}
332
bb7a22b5
MR
333cleanws(){
334 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
335}
336
be8f2501
MR
337filter(){
338 pat=$1
339 shift
340 for v; do
98ef6079 341 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
342 done
343}
344
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MR
345filter_out(){
346 pat=$1
347 shift
348 for v; do
349 eval "case $v in $pat) ;; *) echo $v ;; esac"
350 done
351}
352
36e2dea0
MR
353map(){
354 m=$1
355 shift
e0e335a0 356 for v; do eval $m; done
36e2dea0
MR
357}
358
a8d04fba
MR
359set_all(){
360 value=$1
361 shift
362 for var in $*; do
363 eval $var=$value
364 done
365}
366
72a43668
MR
367set_weak(){
368 value=$1
369 shift
370 for var; do
371 eval : \${$var:=$value}
372 done
373}
374
3f8040db
MR
375set_safe(){
376 var=$1
377 shift
378 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
379}
380
381get_safe(){
382 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
383}
384
799c9e9b
MR
385pushvar(){
386 for var in $*; do
387 eval level=\${${var}_level:=0}
388 eval ${var}_${level}="\$$var"
389 eval ${var}_level=$(($level+1))
390 done
391}
392
393popvar(){
394 for var in $*; do
395 eval level=\${${var}_level:-0}
396 test $level = 0 && continue
397 eval level=$(($level-1))
398 eval $var="\${${var}_${level}}"
399 eval ${var}_level=$level
400 eval unset ${var}_${level}
401 done
402}
403
a8d04fba
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404enable(){
405 set_all yes $*
406}
407
408disable(){
409 set_all no $*
410}
411
72a43668
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412enable_weak(){
413 set_weak yes $*
414}
415
416disable_weak(){
417 set_weak no $*
418}
419
72702705 420enable_safe(){
fd07f803
MR
421 for var; do
422 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
423 done
72702705
MR
424}
425
426disable_safe(){
fd07f803
MR
427 for var; do
428 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
429 done
72702705
MR
430}
431
f9d328da
MR
432do_enable_deep(){
433 for var; do
434 enabled $var && continue
435 eval sel="\$${var}_select"
c510c7b5
MR
436 eval sgs="\$${var}_suggest"
437 pushvar var sgs
f9d328da 438 enable_deep $sel
c510c7b5
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439 popvar sgs
440 enable_deep_weak $sgs
f9d328da
MR
441 popvar var
442 done
443}
444
445enable_deep(){
446 do_enable_deep $*
447 enable $*
448}
449
72a43668
MR
450enable_deep_weak(){
451 do_enable_deep $*
452 enable_weak $*
453}
454
57bd82d4 455enabled(){
3250003c
MR
456 test "${1#!}" = "$1" && op== || op=!=
457 eval test "x\$${1#!}" $op "xyes"
44161118
MR
458}
459
37970ebf 460disabled(){
3250003c
MR
461 test "${1#!}" = "$1" && op== || op=!=
462 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
463}
464
44161118
MR
465enabled_all(){
466 for opt; do
467 enabled $opt || return 1
468 done
469}
470
85bca2c5
DB
471disabled_all(){
472 for opt; do
473 disabled $opt || return 1
474 done
475}
476
44161118
MR
477enabled_any(){
478 for opt; do
479 enabled $opt && return 0
480 done
481}
482
85bca2c5
DB
483disabled_any(){
484 for opt; do
485 disabled $opt && return 0
486 done
f7b230a7 487 return 1
85bca2c5
DB
488}
489
c9d19248
MR
490set_default(){
491 for opt; do
88268e94 492 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
493 done
494}
495
4a0d6686
AJ
496is_in(){
497 value=$1
498 shift
499 for var in $*; do
500 [ $var = $value ] && return 0
501 done
502 return 1
503}
504
30fd06be
MR
505check_deps(){
506 for cfg; do
3250003c 507 cfg="${cfg#!}"
799c9e9b
MR
508 enabled ${cfg}_checking && die "Circular dependency for $cfg."
509 disabled ${cfg}_checking && continue
510 enable ${cfg}_checking
511
30fd06be
MR
512 eval dep_all="\$${cfg}_deps"
513 eval dep_any="\$${cfg}_deps_any"
7ef3425f 514 eval dep_sel="\$${cfg}_select"
c510c7b5 515 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
516 eval dep_ifa="\$${cfg}_if"
517 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 518
3d7453e0
MR
519 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
520 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
521 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 522
3d7453e0
MR
523 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
524 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
525 enabled_all $dep_all || disable $cfg
526 enabled_any $dep_any || disable $cfg
7ef3425f 527 disabled_any $dep_sel && disable $cfg
799c9e9b 528
4ec45764
RP
529 if enabled $cfg; then
530 eval dep_extralibs="\$${cfg}_extralibs"
531 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 532 enable_deep $dep_sel
c510c7b5 533 enable_deep_weak $dep_sgs
4ec45764
RP
534 fi
535
799c9e9b 536 disable ${cfg}_checking
30fd06be
MR
537 done
538}
539
72cfcf41
MR
540print_config_h(){
541 enabled $1 && v=1 || v=0
542 echo "#define $2 $v"
543}
544
545print_config_mak(){
546 enabled $1 && v= || v=!
547 echo "$v$2=yes"
548}
549
55127e7b 550print_config_asm(){
3b15a6d7
RB
551 enabled $1 && v=1 || v=0
552 echo "%define $2 $v"
55127e7b
MR
553}
554
44161118
MR
555print_config(){
556 pfx=$1
72cfcf41
MR
557 files=$2
558 shift 2
44161118 559 for cfg; do
5e622c40 560 ucname="$(toupper $cfg)"
72cfcf41
MR
561 for f in $files; do
562 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
563 done
44161118 564 done
57bd82d4
MR
565}
566
31c0121d
MR
567print_enabled(){
568 test "$1" = -n && end=" " && shift || end="\n"
569 suf=$1
570 shift
571 for v; do
572 enabled $v && printf "%s$end" ${v%$suf};
573 done
574}
575
57bd82d4
MR
576append(){
577 var=$1
578 shift
57bd82d4
MR
579 eval "$var=\"\$$var $*\""
580}
581
60361817
MR
582prepend(){
583 var=$1
584 shift
585 eval "$var=\"$* \$$var\""
586}
587
50a334e4 588add_cppflags(){
cd52ec95 589 append CPPFLAGS "$@"
50a334e4
MR
590}
591
57bd82d4 592add_cflags(){
01d31e16 593 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
594}
595
2f2e6c7c 596add_asflags(){
01d31e16 597 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
598}
599
57bd82d4 600add_ldflags(){
64933b6c 601 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
602}
603
604add_extralibs(){
64933b6c 605 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
606}
607
6c3fa06a
MR
608add_host_cflags(){
609 append host_cflags $($host_cflags_filter "$@")
610}
611
612add_host_ldflags(){
613 append host_ldflags $($host_ldflags_filter "$@")
614}
615
b0cfb663 616check_cmd(){
b3cb5d51 617 log "$@"
2270b4b2 618 "$@" >> $logfile 2>&1
b0cfb663
MR
619}
620
b2704a65
MR
621cc_o(){
622 eval printf '%s\\n' $CC_O
623}
624
18031c49
MR
625cc_e(){
626 eval printf '%s\\n' $CC_E
627}
628
dcd479c0 629check_cc(){
57bd82d4 630 log check_cc "$@"
2270b4b2 631 cat > $TMPC
720c69da 632 log_file $TMPC
23565c26 633 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
634}
635
636check_cpp(){
637 log check_cpp "$@"
2270b4b2 638 cat > $TMPC
720c69da 639 log_file $TMPC
18031c49 640 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
641}
642
f65883c8
MR
643check_as(){
644 log check_as "$@"
645 cat > $TMPC
646 log_file $TMPC
23565c26 647 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C -o $TMPO $TMPC
f65883c8
MR
648}
649
940f335a
MR
650check_asm(){
651 log check_asm "$@"
652 name="$1"
3784e82e 653 code="$2"
940f335a 654 shift 2
49214f61
MR
655 disable $name
656 check_as "$@" <<EOF && enable $name
3784e82e 657void foo(void){ __asm__ volatile($code); }
940f335a
MR
658EOF
659}
660
304d586d
LM
661check_yasm(){
662 log check_yasm "$@"
663 echo "$1" > $TMPS
664 log_file $TMPS
665 shift 1
666 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
667}
668
dcd479c0 669check_ld(){
57bd82d4 670 log check_ld "$@"
3155a644
MR
671 flags=''
672 libs=''
673 for f; do
674 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
675 done
01d31e16 676 check_cc $($cflags_filter $flags) || return
64933b6c
MR
677 flags=$($ldflags_filter $flags)
678 libs=$($ldflags_filter $libs)
7e75f9fe 679 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
dcd479c0
MR
680}
681
5adc829e
MR
682check_code(){
683 log check_code "$@"
684 check=$1
685 headers=$2
686 code=$3
687 shift 3
688 {
689 for hdr in $headers; do
690 echo "#include <$hdr>"
691 done
692 echo "int main(void) { $code; return 0; }"
693 } | check_$check "$@"
694}
695
50a334e4
MR
696check_cppflags(){
697 log check_cppflags "$@"
caf458dd 698 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
699int x;
700EOF
701}
702
dcd479c0 703check_cflags(){
57bd82d4 704 log check_cflags "$@"
01d31e16 705 set -- $($cflags_filter "$@")
caf458dd 706 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
707int x;
708EOF
709}
710
2ed46eea
MR
711test_ldflags(){
712 log test_ldflags "$@"
713 check_ld "$@" <<EOF
c23a0ac8 714int main(void){ return 0; }
dcd479c0
MR
715EOF
716}
717
2ed46eea
MR
718check_ldflags(){
719 log check_ldflags "$@"
720 test_ldflags "$@" && add_ldflags "$@"
721}
722
dcd479c0 723check_header(){
57bd82d4 724 log check_header "$@"
dcd479c0
MR
725 header=$1
726 shift
b77df637
MR
727 disable_safe $header
728 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
729#include <$header>
730int x;
731EOF
732}
733
734check_func(){
57bd82d4 735 log check_func "$@"
dcd479c0
MR
736 func=$1
737 shift
d8bc5f06
MR
738 disable $func
739 check_ld "$@" <<EOF && enable $func
dcd479c0 740extern int $func();
c23a0ac8 741int main(void){ $func(); }
dcd479c0
MR
742EOF
743}
744
645d2652 745check_mathfunc(){
6b73c0ae 746 log check_mathfunc "$@"
645d2652
MR
747 func=$1
748 shift
749 disable $func
750 check_ld "$@" <<EOF && enable $func
751#include <math.h>
33bd38db
MR
752float foo(float f) { return $func(f); }
753int main(void){ return 0; }
645d2652
MR
754EOF
755}
756
2446d3d6
DB
757check_func_headers(){
758 log check_func_headers "$@"
f8d7b072 759 headers=$1
edaf1ae2 760 funcs=$2
f8d7b072 761 shift 2
edaf1ae2
MR
762 {
763 for hdr in $headers; do
764 echo "#include <$hdr>"
765 done
766 for func in $funcs; do
767 echo "long check_$func(void) { return (long) $func; }"
768 done
769 echo "int main(void) { return 0; }"
770 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
771}
772
a5344cf7
SS
773check_cpp_condition(){
774 log check_cpp_condition "$@"
775 header=$1
776 condition=$2
f855b7b9 777 shift 2
cd52ec95 778 check_cpp "$@" <<EOF
a5344cf7
SS
779#include <$header>
780#if !($condition)
781#error "unsatisfied condition: $condition"
782#endif
783EOF
784}
785
57bd82d4
MR
786check_lib(){
787 log check_lib "$@"
788 header="$1"
789 func="$2"
790 shift 2
84400e9d 791 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
792}
793
f8d7b072
MR
794check_lib2(){
795 log check_lib2 "$@"
796 headers="$1"
edaf1ae2 797 funcs="$2"
f8d7b072 798 shift 2
edaf1ae2 799 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
800}
801
3f8040db
MR
802check_pkg_config(){
803 log check_pkg_config "$@"
804 pkg="$1"
805 headers="$2"
806 funcs="$3"
807 shift 3
808 $pkg_config --exists $pkg || return
809 pkg_cflags=$($pkg_config --cflags $pkg)
810 pkg_libs=$($pkg_config --libs $pkg)
811 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
812 set_safe ${pkg}_cflags $pkg_cflags &&
813 set_safe ${pkg}_libs $pkg_libs
814}
815
dcd479c0 816check_exec(){
2270b4b2 817 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
818}
819
7dfef245 820check_exec_crash(){
5e622c40 821 code=$(cat)
7dfef245
MR
822
823 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
824 # are safe but may not be available everywhere. Thus we use
825 # raise(SIGTERM) instead. The check is run in a subshell so we
826 # can redirect the "Terminated" message from the shell. SIGBUS
827 # is not defined by standard C so it is used conditionally.
828
2270b4b2 829 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
830#include <signal.h>
831static void sighandler(int sig){
832 raise(SIGTERM);
833}
e5af4a11 834int main(void){
7dfef245
MR
835 signal(SIGILL, sighandler);
836 signal(SIGFPE, sighandler);
837 signal(SIGSEGV, sighandler);
838#ifdef SIGBUS
839 signal(SIGBUS, sighandler);
840#endif
841 { $code }
842}
843EOF
844}
845
72be9e73
DY
846check_type(){
847 log check_type "$@"
848 headers=$1
849 type=$2
850 shift 2
ae550ce9 851 disable_safe "$type"
5adc829e 852 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
853}
854
14d36751
MR
855check_struct(){
856 log check_type "$@"
857 headers=$1
858 struct=$2
859 member=$3
860 shift 3
861 disable_safe "${struct}_${member}"
5adc829e
MR
862 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
863 enable_safe "${struct}_${member}"
14d36751
MR
864}
865
57bd82d4
MR
866require(){
867 name="$1"
868 header="$2"
869 func="$3"
870 shift 3
871 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
872}
873
f8d7b072
MR
874require2(){
875 name="$1"
876 headers="$2"
877 func="$3"
878 shift 3
879 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
880}
881
3f8040db
MR
882require_pkg_config(){
883 pkg="$1"
884 check_pkg_config "$@" || die "ERROR: $pkg not found"
885 add_cflags $(get_safe ${pkg}_cflags)
886 add_extralibs $(get_safe ${pkg}_libs)
887}
888
f0125de9
MR
889check_host_cc(){
890 log check_host_cc "$@"
891 cat > $TMPC
892 log_file $TMPC
893 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
894}
895
896check_host_cflags(){
897 log check_host_cflags "$@"
6c3fa06a 898 set -- $($host_cflags_filter "$@")
f0125de9
MR
899 check_host_cc "$@" <<EOF && append host_cflags "$@"
900int x;
901EOF
902}
903
c505dd31
MR
904apply(){
905 file=$1
906 shift
907 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
908}
909
c34681df 910cp_if_changed(){
5e27ec28
MR
911 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
912 mkdir -p "$(dirname $2)"
913 cp -f "$1" "$2"
c34681df
MR
914}
915
dcd61286
DB
916# CONFIG_LIST contains configurable options, while HAVE_LIST is for
917# system-dependent things.
918
4a0d6686
AJ
919COMPONENT_LIST="
920 bsfs
921 decoders
922 demuxers
923 encoders
3cde40aa 924 filters
5666fd73 925 hwaccels
c552605c 926 indevs
4a0d6686 927 muxers
c552605c 928 outdevs
4a0d6686
AJ
929 parsers
930 protocols
931"
932
055c61b8
DB
933PROGRAM_LIST="
934 avconv
935 avplay
936 avprobe
937 avserver
055c61b8
DB
938"
939
4a0d6686
AJ
940CONFIG_LIST="
941 $COMPONENT_LIST
055c61b8 942 $PROGRAM_LIST
a5444fee 943 ac3dsp
5a0f7131
MR
944 avcodec
945 avdevice
f7679c54 946 avfilter
5a0f7131 947 avformat
c8af852b 948 avresample
c88f5d72 949 avisynth
f402916e 950 bzlib
7f3f5f46 951 dct
c73f65d9 952 doc
05aec7bb 953 dwt
92c6a099 954 dxva2
27a9466b 955 fastdiv
1848f7d9 956 fft
47941088 957 frei0r
acd554c1 958 gcrypt
bc8c1395 959 gnutls
c88f5d72 960 gpl
d8d0d0b2 961 gray
3abe5fbd 962 hardcoded_tables
e417d80d 963 libcdio
f7b8bffe 964 libdc1394
2eed5a46 965 libfaac
37eeb5e2 966 libfdk_aac
a5b64584 967 libfreetype
c88f5d72 968 libgsm
3641b048 969 libilbc
6ebe07fb 970 libmp3lame
0b175caa
DB
971 libopencore_amrnb
972 libopencore_amrwb
6ebf0bfc 973 libopencv
9a77d59a 974 libopenjpeg
0de9c41f 975 libpulse
0f943ce6 976 librtmp
f7cd9eed 977 libschroedinger
ae14f311 978 libspeex
150d2772 979 libtheora
d89e738a 980 libvo_aacenc
f502ff3f 981 libvo_amrwbenc
c88f5d72 982 libvorbis
8299a7f8 983 libvpx
1cc60c47 984 libx264
de295976 985 libxavs
1cc60c47 986 libxvid
b781cc12 987 lsp
47a158cb 988 mdct
c88f5d72 989 memalign_hack
c4f5c2d6 990 mpegaudiodsp
acd554c1 991 nettle
c88f5d72 992 network
3fe142e2 993 nonfree
a060866f 994 openssl
8a3c8627 995 pic
68602540 996 rdft
44b70ce5 997 rtpdec
e90f5b5a 998 runtime_cpudetect
8cfbbd92 999 safe_bitstream_reader
2e35e684 1000 shared
4538729a 1001 sinewin
bd2216e4 1002 small
6b35d421 1003 sram
2e35e684 1004 static
5a0f7131 1005 swscale
a9ddb5b1 1006 swscale_alpha
8986fddc 1007 thumb
17492d5e 1008 vaapi
ac3dbb4d 1009 vda
17492d5e 1010 vdpau
9cad0e4e 1011 version3
7e4d9d5d 1012 xmm_clobber_test
56a059ac 1013 x11grab
c88f5d72 1014 zlib
4a0d6686 1015"
c88f5d72 1016
8eee7025 1017THREADS_LIST='
8eee7025
DB
1018 pthreads
1019 w32threads
1020'
1021
3f5b56e5
MR
1022ARCH_LIST='
1023 alpha
a2fc0f6a 1024 arm
fdcd782d
MR
1025 avr32
1026 avr32_ap
1027 avr32_uc
3f5b56e5
MR
1028 bfin
1029 ia64
1030 m68k
1031 mips
bae3abb0 1032 mips64
3f5b56e5 1033 parisc
79cb09b2 1034 ppc
34d11b87 1035 ppc64
3f5b56e5
MR
1036 s390
1037 sh4
1038 sparc
1039 sparc64
0844bae1 1040 tomi
3f5b56e5
MR
1041 x86
1042 x86_32
1043 x86_64
1044'
1045
1046ARCH_EXT_LIST='
1ac9331a 1047 altivec
3bf96eec 1048 amd3dnow
a1ef9f08 1049 amd3dnowext
1ac9331a 1050 armv5te
edab3048 1051 armv6
ab5cb084 1052 armv6t2
f55b299a 1053 armvfp
87f1355f 1054 avx
79687079 1055 fma4
3f5b56e5
MR
1056 mmi
1057 mmx
d7f0920b 1058 mmx2
6b18d278 1059 neon
799fde37 1060 ppc4xx
1bb04d5a 1061 sse
9eeed841 1062 ssse3
93eb8e4d 1063 vfpv3
bd9d34a0 1064 vis
3f5b56e5
MR
1065'
1066
a3e02a8c
MR
1067HAVE_LIST_PUB='
1068 bigendian
d268eee9 1069 fast_unaligned
a3e02a8c
MR
1070'
1071
3f5b56e5
MR
1072HAVE_LIST="
1073 $ARCH_EXT_LIST
a3e02a8c 1074 $HAVE_LIST_PUB
3f5b56e5 1075 $THREADS_LIST
be1a839c 1076 aligned_malloc
59782b82 1077 aligned_stack
35fd8122 1078 alsa_asoundlib_h
3f5b56e5 1079 altivec_h
c9fdab0d 1080 arpa_inet_h
6308729e 1081 asm_mod_y
dffb41b9 1082 attribute_may_alias
e7ea5e3d 1083 attribute_packed
15333562 1084 cbrtf
ecf97f22 1085 closesocket
1ac9331a 1086 cmov
c0ee695b 1087 cpuid
c88f5d72 1088 dcbzl
f8aa696f
DB
1089 dev_bktr_ioctl_bt848_h
1090 dev_bktr_ioctl_meteor_h
1091 dev_ic_bt8xx_h
f8aa696f 1092 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1093 dev_video_meteor_ioctl_meteor_h
18b67ae5 1094 dlfcn_h
c88f5d72 1095 dlopen
bc574408 1096 dos_paths
fa845061 1097 dxva_h
245626d0
DB
1098 ebp_available
1099 ebx_available
6b7c7703
VS
1100 exp2
1101 exp2f
c2a29455 1102 fast_64bit
669b5583 1103 fast_clz
7073e9fc 1104 fast_cmov
534a2231 1105 fcntl
9d99cc5a 1106 fork
84882df6 1107 getaddrinfo
da9e86f8 1108 gethrtime
667fb97a 1109 getopt
02e8f427 1110 GetProcessAffinityMask
fc5607f8 1111 GetProcessMemoryInfo
4e68cb8a 1112 GetProcessTimes
61183b5a 1113 GetSystemTimeAsFileTime
66be5b45 1114 getrusage
61183b5a 1115 gettimeofday
a49d3025 1116 gnu_as
2f0c136e 1117 ibm_asm
2e1913b1 1118 inet_aton
61d251db 1119 inline_asm
3b1ab197 1120 io_h
abfc8d05 1121 isatty
46df708b
MS
1122 isinf
1123 isnan
8772997d 1124 jack_port_get_latency_range
9f5ff83f 1125 ldbrx
0b4a1821
AS
1126 libdc1394_1
1127 libdc1394_2
a33cab3a 1128 llrint
07876e25 1129 llrintf
d96cd429
MR
1130 local_aligned_16
1131 local_aligned_8
a5b64584 1132 localtime_r
291fd18a 1133 log2
6b7c7703 1134 log2f
85dd97ad 1135 loongson
a33cab3a 1136 lrint
c88f5d72 1137 lrintf
f8aa696f
DB
1138 machine_ioctl_bt848_h
1139 machine_ioctl_meteor_h
c88f5d72 1140 malloc_h
73f6d31e 1141 MapViewOfFile
c88f5d72 1142 memalign
6ffa87d3 1143 mkstemp
f80ddd5b 1144 mm_empty
0328b9ea 1145 mmap
d3d3a32c 1146 nanosleep
5699884c 1147 netinet_sctp_h
3e0b1c9a 1148 poll_h
1f91cdce 1149 posix_memalign
07b28702 1150 rdtsc
183b1c22 1151 rint
a33cab3a
MK
1152 round
1153 roundf
358d854d 1154 rweflags
ea4d5f48 1155 sched_getaffinity
c88f5d72
MR
1156 sdl
1157 sdl_video_size
b507ebd1 1158 setmode
3e0b1c9a 1159 setrlimit
d3d3a32c 1160 Sleep
15d59d2c 1161 sndio_h
72be9e73 1162 socklen_t
deb29777 1163 soundcard_h
87958234 1164 strerror_r
6379900c 1165 strptime
47941088 1166 strtok_r
c0018613 1167 struct_addrinfo
75d339e0
MS
1168 struct_group_source_req
1169 struct_ip_mreq_source
b4d68544 1170 struct_ipv6_mreq
cdee08e3 1171 struct_pollfd
3e0b1c9a 1172 struct_rusage_ru_maxrss
b4d68544 1173 struct_sockaddr_in6
3b2372bf 1174 struct_sockaddr_sa_len
33a4dbdd 1175 struct_sockaddr_storage
a6a4793d 1176 struct_v4l2_frmivalenum_discrete
b462d132 1177 symver
b462d132 1178 symver_asm_label
3e0b1c9a 1179 symver_gnu_asm
bcc73960 1180 sysconf
b9e22269 1181 sysctl
b58412f1 1182 sys_mman_h
06bb5905 1183 sys_param_h
b091aa44 1184 sys_resource_h
81644c2e 1185 sys_select_h
deb29777 1186 sys_soundcard_h
e64bceea 1187 sys_time_h
1b6e8b73 1188 sys_videoio_h
b265431e 1189 threads
23d3931a 1190 trunc
7b04b8a0 1191 truncf
542920b7 1192 unistd_h
d3d3a32c 1193 usleep
ce742de2 1194 vfp_args
7c5bfe7a 1195 VirtualAlloc
d3d3a32c 1196 windows_h
6ff3f3e7 1197 winsock2_h
cc078b5d 1198 xform_asm
3f150ffb 1199 xgetbv
6f74fb03 1200 xmm_clobbers
304d586d 1201 yasm
0cb78cef 1202"
44161118 1203
b6bb00b0
MR
1204# options emitted with CONFIG_ prefix but not available on command line
1205CONFIG_EXTRA="
87849592 1206 aandcttables
dc4f5a1c 1207 avutil
478fd534 1208 golomb
9cad0e4e 1209 gplv3
478fd534
DB
1210 h264chroma
1211 h264dsp
1212 h264pred
915a2a0a 1213 h264qpel
478fd534 1214 huffman
9cad0e4e 1215 lgplv3
478fd534 1216 lpc
ab9f9876 1217 vp3dsp
b6bb00b0
MR
1218"
1219
520cc7f1 1220CMDLINE_SELECT="
3f5b56e5 1221 $ARCH_EXT_LIST
520cc7f1 1222 $CONFIG_LIST
8eee7025 1223 $THREADS_LIST
c8a4ae00 1224 asm
db6107b6 1225 cross_compile
520cc7f1
MR
1226 debug
1227 extra_warnings
8c6afa4d 1228 logging
d2bbb2f7 1229 optimizations
9baec618 1230 symver
7595a5e4 1231 yasm
520cc7f1 1232"
426be5dc
DB
1233
1234PATHS_LIST='
d156bede 1235 bindir
14a8acf1 1236 datadir
26759c44
MR
1237 incdir
1238 libdir
26759c44
MR
1239 mandir
1240 prefix
1241 shlibdir
426be5dc
DB
1242'
1243
1244CMDLINE_SET="
1245 $PATHS_LIST
121d78d0 1246 ar
426be5dc 1247 arch
313c46a6 1248 as
426be5dc
DB
1249 build_suffix
1250 cc
1251 cpu
1252 cross_prefix
50567afa 1253 dep_cc
ac63af34 1254 extra_version
9da6609f
MR
1255 host_cc
1256 host_cflags
1257 host_ldflags
1258 host_libs
82bb3329 1259 host_os
684b28e0 1260 ld
426be5dc 1261 logfile
4ae40685 1262 malloc_prefix
89641463 1263 nm
9cd7b854 1264 optflags
3f8040db 1265 pkg_config
2fad0977 1266 samples
c5200f17
MR
1267 sysinclude
1268 sysroot
a7ada2ba 1269 target_exec
26759c44 1270 target_os
a7ada2ba 1271 target_path
426be5dc 1272"
520cc7f1 1273
89f2932b
MR
1274CMDLINE_APPEND="
1275 extra_cflags
1276"
1277
912f3148
DB
1278# code dependency declarations
1279
9eeed841 1280# architecture extensions
808fa33c 1281
a2fc0f6a
MR
1282armv5te_deps="arm"
1283armv6_deps="arm"
ab5cb084 1284armv6t2_deps="arm"
a2fc0f6a 1285armvfp_deps="arm"
808fa33c 1286neon_deps="arm"
93eb8e4d 1287vfpv3_deps="armvfp"
808fa33c 1288
e241ba14 1289mmi_deps="mips"
808fa33c
MR
1290
1291altivec_deps="ppc"
1292ppc4xx_deps="ppc"
1293
1294vis_deps="sparc"
1295
7f8c3d1f 1296x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1297amd3dnow_deps="mmx"
1298amd3dnowext_deps="amd3dnow"
9eeed841 1299mmx_deps="x86"
75aa95a6 1300mmx2_deps="mmx"
75aa95a6
DB
1301sse_deps="mmx"
1302ssse3_deps="sse"
87f1355f 1303avx_deps="ssse3"
79687079 1304fma4_deps="avx"
9eeed841 1305
59782b82 1306aligned_stack_if_any="ppc x86"
e939cedd 1307fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1308fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1309fast_unaligned_if_any="armv6 ppc x86"
669b5583 1310
6fec122a 1311inline_asm_deps="!tms470"
3e0b1c9a 1312need_memalign="altivec neon sse"
89e053f8 1313
b462d132
MR
1314symver_if_any="symver_asm_label symver_gnu_asm"
1315
26fbcc85 1316# subsystems
dc609252 1317dct_select="rdft"
26fbcc85
MR
1318mdct_select="fft"
1319rdft_select="fft"
c4f5c2d6 1320mpegaudiodsp_select="dct"
26fbcc85 1321
5666fd73 1322# decoders / encoders / hardware accelerators
cfc2a0cf 1323aac_decoder_select="mdct sinewin"
4538729a 1324aac_encoder_select="mdct sinewin"
136e19e1 1325aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1326ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1327ac3_encoder_select="mdct ac3dsp"
3d269059 1328ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1329alac_encoder_select="lpc"
b781cc12 1330amrnb_decoder_select="lsp"
2b2a597e 1331amrwb_decoder_select="lsp"
4538729a 1332atrac1_decoder_select="mdct sinewin"
26fbcc85 1333atrac3_decoder_select="mdct"
a33657ce
DB
1334binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1335binkaudio_rdft_decoder_select="mdct rdft sinewin"
4f034993 1336cavs_decoder_select="golomb"
4538729a 1337cook_decoder_select="mdct sinewin"
2eef7c62 1338cscd_decoder_suggest="zlib"
26fbcc85 1339dca_decoder_select="mdct"
87849592 1340dnxhd_encoder_select="aandcttables"
2eef7c62 1341dxa_decoder_select="zlib"
baf91bb9 1342eac3_decoder_select="ac3_decoder"
aa47c35d 1343eac3_encoder_select="mdct ac3dsp"
87849592
DB
1344eamad_decoder_select="aandcttables"
1345eatgq_decoder_select="aandcttables"
1346eatqi_decoder_select="aandcttables"
4f034993
MR
1347ffv1_decoder_select="golomb"
1348flac_decoder_select="golomb"
f4d608e3 1349flac_encoder_select="golomb lpc"
2eef7c62
AJ
1350flashsv_decoder_select="zlib"
1351flashsv_encoder_select="zlib"
c2d23309 1352flashsv2_decoder_select="zlib"
4414137e 1353flv_decoder_select="h263_decoder"
4d4b4bd1 1354flv_encoder_select="h263_encoder"
3447f12d 1355fraps_decoder_select="huffman"
87849592 1356h261_encoder_select="aandcttables"
7f647ae0 1357h263_decoder_select="h263_parser"
87849592 1358h263_encoder_select="aandcttables"
95a61cfc 1359h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1360h263i_decoder_select="h263_decoder"
fe629c2d 1361h263p_encoder_select="h263_encoder"
915a2a0a 1362h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
92c6a099
LA
1363h264_dxva2_hwaccel_deps="dxva2api_h"
1364h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1365h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1366h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1367h264_vdpau_decoder_select="vdpau h264_decoder"
19be0f3c 1368iac_decoder_select="fft mdct sinewin"
56c8227d 1369imc_decoder_select="fft mdct sinewin"
4f034993
MR
1370jpegls_decoder_select="golomb"
1371jpegls_encoder_select="golomb"
87849592 1372ljpeg_encoder_select="aandcttables"
4f034993 1373loco_decoder_select="golomb"
87849592 1374mjpeg_encoder_select="aandcttables"
2cca233b 1375mlp_decoder_select="mlp_parser"
c4f5c2d6 1376mp1_decoder_select="mpegaudiodsp"
c4f5c2d6 1377mp1float_decoder_select="mpegaudiodsp"
3e0b1c9a 1378mp2_decoder_select="mpegaudiodsp"
c4f5c2d6 1379mp2float_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1380mp3_decoder_select="mpegaudiodsp"
1381mp3adu_decoder_select="mpegaudiodsp"
c4f5c2d6
MR
1382mp3adufloat_decoder_select="mpegaudiodsp"
1383mp3float_decoder_select="mpegaudiodsp"
3e0b1c9a 1384mp3on4_decoder_select="mpegaudiodsp"
c4f5c2d6 1385mp3on4float_decoder_select="mpegaudiodsp"
606c9297
DB
1386mpc7_decoder_select="mpegaudiodsp"
1387mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1388mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1389mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1390mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1391mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
87849592 1392mpeg1video_encoder_select="aandcttables"
164aab02
LA
1393mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1394mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1395mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
87849592 1396mpeg2video_encoder_select="aandcttables"
3e0b1c9a
DB
1397mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1398mpeg4_encoder_select="h263_encoder"
95a61cfc 1399mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1400mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1401msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1402msmpeg4v1_encoder_select="h263_encoder"
4414137e 1403msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1404msmpeg4v2_encoder_select="h263_encoder"
4414137e 1405msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1406msmpeg4v3_encoder_select="h263_encoder"
4538729a
MR
1407nellymoser_decoder_select="mdct sinewin"
1408nellymoser_encoder_select="mdct sinewin"
2eef7c62
AJ
1409png_decoder_select="zlib"
1410png_encoder_select="zlib"
b781cc12 1411qcelp_decoder_select="lsp"
c4f5c2d6 1412qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1413ra_144_encoder_select="lpc"
9f43fdda 1414ralf_decoder_select="golomb"
a8beb22f 1415rv10_decoder_select="h263_decoder"
b2bf38b4 1416rv10_encoder_select="h263_encoder"
a8beb22f 1417rv20_decoder_select="h263_decoder"
b2bf38b4 1418rv20_encoder_select="h263_encoder"
915a2a0a
DB
1419rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1420rv40_decoder_select="golomb h264chroma h264pred h264qpel"
4f034993 1421shorten_decoder_select="golomb"
b781cc12 1422sipr_decoder_select="lsp"
05aec7bb 1423snow_decoder_select="dwt"
87849592
DB
1424snow_encoder_select="aandcttables dwt"
1425svq1_encoder_select="aandcttables"
915a2a0a 1426svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
bee2eac5 1427svq3_decoder_suggest="zlib"
4eef77c1 1428theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1429tiff_decoder_suggest="zlib"
1430tiff_encoder_suggest="zlib"
aec09a00 1431truehd_decoder_select="mlp_decoder"
2eef7c62 1432tscc_decoder_select="zlib"
4538729a 1433twinvq_decoder_select="mdct lsp sinewin"
915a2a0a 1434vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1435vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1436vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1437vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1438vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1439vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1440vorbis_decoder_select="mdct"
1441vorbis_encoder_select="mdct"
ab9f9876
MR
1442vp3_decoder_select="vp3dsp"
1443vp5_decoder_select="vp3dsp"
1444vp6_decoder_select="huffman vp3dsp"
e82dc4c9
DB
1445vp6a_decoder_select="vp6_decoder"
1446vp6f_decoder_select="vp6_decoder"
915a2a0a 1447vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1448wmapro_decoder_select="mdct sinewin"
1449wmav1_decoder_select="mdct sinewin"
1450wmav1_encoder_select="mdct sinewin"
1451wmav2_decoder_select="mdct sinewin"
1452wmav2_encoder_select="mdct sinewin"
1453wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1454wmv1_decoder_select="h263_decoder"
665507aa 1455wmv1_encoder_select="h263_encoder"
f95bfab0 1456wmv2_decoder_select="h263_decoder"
1746e2a9 1457wmv2_encoder_select="h263_encoder"
015f8ee0 1458wmv3_decoder_select="vc1_decoder"
f0f86627 1459wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1460wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1461wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1462wmv3image_decoder_select="wmv3_decoder"
0e714f88 1463zerocodec_decoder_select="zlib"
2eef7c62
AJ
1464zlib_decoder_select="zlib"
1465zlib_encoder_select="zlib"
1466zmbv_decoder_select="zlib"
1467zmbv_encoder_select="zlib"
30fd06be 1468
0afab17e 1469vaapi_deps="va_va_h"
ac3dbb4d 1470vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1471vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1472
28b80940 1473# parsers
6a7c5312 1474h264_parser_select="golomb h264dsp h264pred"
28b80940 1475
912f3148 1476# external libraries
c9171a83 1477libfaac_encoder_deps="libfaac"
37eeb5e2 1478libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1479libgsm_decoder_deps="libgsm"
1480libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1481libgsm_ms_decoder_deps="libgsm"
1482libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1483libilbc_decoder_deps="libilbc"
1484libilbc_encoder_deps="libilbc"
1cc60c47 1485libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1486libopencore_amrnb_decoder_deps="libopencore_amrnb"
1487libopencore_amrnb_encoder_deps="libopencore_amrnb"
1488libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1489libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1490libopenjpeg_encoder_deps="libopenjpeg"
f7cd9eed
AS
1491libschroedinger_decoder_deps="libschroedinger"
1492libschroedinger_encoder_deps="libschroedinger"
ae14f311 1493libspeex_decoder_deps="libspeex"
b606a017 1494libspeex_encoder_deps="libspeex"
150d2772 1495libtheora_encoder_deps="libtheora"
d89e738a 1496libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1497libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1498libvorbis_encoder_deps="libvorbis"
8299a7f8 1499libvpx_decoder_deps="libvpx"
ee0e9146 1500libvpx_encoder_deps="libvpx"
1cc60c47 1501libx264_encoder_deps="libx264"
de295976 1502libxavs_encoder_deps="libxavs"
1cc60c47 1503libxvid_encoder_deps="libxvid"
30fd06be 1504
912f3148 1505# demuxers / muxers
c2dd0e9e 1506ac3_demuxer_select="ac3_parser"
647c2356 1507asf_stream_muxer_select="asf_muxer"
4e622dea 1508avisynth_demuxer_deps="avisynth"
c2dd0e9e 1509dirac_demuxer_select="dirac_parser"
5b423887 1510eac3_demuxer_select="ac3_parser"
c2dd0e9e 1511flac_demuxer_select="flac_parser"
647c2356 1512ipod_muxer_select="mov_muxer"
647c2356 1513matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1514matroska_demuxer_suggest="zlib bzlib"
1515mov_demuxer_suggest="zlib"
c2dd0e9e 1516mp3_demuxer_select="mpegaudio_parser"
647c2356 1517mp4_muxer_select="mov_muxer"
2439bd86 1518mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1519mpegtsraw_demuxer_select="mpegts_demuxer"
1520mxf_d10_muxer_select="mxf_muxer"
24ca518b 1521ogg_demuxer_select="golomb"
647c2356 1522psp_muxer_select="mov_muxer"
44594cc7 1523rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1524rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1525rtsp_demuxer_select="http_protocol rtpdec"
1526rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1527sap_demuxer_select="sdp_demuxer"
2aab70c4 1528sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1529sdp_demuxer_select="rtpdec"
f1e94694 1530spdif_muxer_select="aac_parser"
647c2356
DB
1531tg2_muxer_select="mov_muxer"
1532tgp_muxer_select="mov_muxer"
6bdaa5f4 1533w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1534
1535# indevs / outdevs
38e54a75 1536alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1537alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1538bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1539dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1540fbdev_indev_deps="linux_fb_h"
38e54a75 1541jack_indev_deps="jack_jack_h"
e417d80d 1542libcdio_indev_deps="libcdio"
38e54a75 1543libdc1394_indev_deps="libdc1394"
38e54a75
SS
1544oss_indev_deps_any="soundcard_h sys_soundcard_h"
1545oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1546pulse_indev_deps="libpulse"
15d59d2c
B
1547sndio_indev_deps="sndio_h"
1548sndio_outdev_deps="sndio_h"
38e54a75 1549v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1550vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1551vfwcap_indev_extralibs="-lavicap32"
24f8961f 1552x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1553
912f3148 1554# protocols
acd554c1
SP
1555ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1556ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1557ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1558ffrtmphttp_protocol_deps="!librtmp_protocol"
1559ffrtmphttp_protocol_select="http_protocol"
3fff6382 1560gopher_protocol_deps="network"
c40e1757
JS
1561httpproxy_protocol_deps="network"
1562httpproxy_protocol_select="tcp_protocol"
c08fb000 1563http_protocol_deps="network"
279a0c97 1564http_protocol_select="tcp_protocol"
183baead 1565https_protocol_select="tls_protocol"
c3b57d6e
DB
1566librtmp_protocol_deps="librtmp"
1567librtmpe_protocol_deps="librtmp"
1568librtmps_protocol_deps="librtmp"
1569librtmpt_protocol_deps="librtmp"
1570librtmpte_protocol_deps="librtmp"
c60a2d70 1571mmsh_protocol_select="http_protocol"
b4cf3f6c 1572mmst_protocol_deps="network"
c3b57d6e 1573rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1574rtmp_protocol_select="tcp_protocol"
acd554c1 1575rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1576rtmps_protocol_deps="!librtmp_protocol"
1577rtmps_protocol_select="tls_protocol"
775c4d36 1578rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1579rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1580rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1581rtp_protocol_select="udp_protocol"
5699884c 1582sctp_protocol_deps="network netinet_sctp_h"
c08fb000 1583tcp_protocol_deps="network"
558d192d
MS
1584tls_protocol_deps_any="openssl gnutls"
1585tls_protocol_select="tcp_protocol"
c08fb000
AB
1586udp_protocol_deps="network"
1587
6ebf0bfc 1588# filters
13fabd7a 1589blackframe_filter_deps="gpl"
ce6b6ef6 1590boxblur_filter_deps="gpl"
68b79bfc 1591cropdetect_filter_deps="gpl"
b157be1f 1592delogo_filter_deps="gpl"
a5b64584 1593drawtext_filter_deps="libfreetype"
2e5ff4d0 1594frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1595frei0r_filter_extralibs='$ldl'
a42bb9d6 1596frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1597frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1598hqdn3d_filter_deps="gpl"
d371e7b9 1599resample_filter_deps="avresample"
cf69ad35 1600ocv_filter_deps="libopencv"
2f296e39 1601scale_filter_deps="swscale"
acbac567 1602yadif_filter_deps="gpl"
6ebf0bfc 1603
5a0f7131
MR
1604# libraries
1605avdevice_deps="avcodec avformat"
1606avformat_deps="avcodec"
f7679c54 1607
912f3148 1608# programs
ce03b088
AK
1609avconv_deps="avcodec avfilter avformat avresample swscale
1610 aformat_filter asyncts_filter
1611 format_filter fps_filter scale_filter setpts_filter"
266463da
AK
1612avplay_deps="avcodec avformat swscale sdl"
1613avplay_select="rdft"
9e12f0bf 1614avprobe_deps="avcodec avformat"
b263bf66 1615avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1616avserver_extralibs='$ldl'
a2830dca 1617
c73f65d9 1618doc_deps="texi2html"
912f3148 1619
57442411
MR
1620# tests
1621
388ff813
DB
1622mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1623seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1624
57442411
MR
1625test_deps(){
1626 suf1=$1
1627 suf2=$2
1628 shift 2
1629 for v; do
1630 dep=${v%=*}
1631 tests=${v#*=}
1632 for name in ${tests}; do
908f12f3 1633 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
57442411
MR
1634 done
1635 done
1636}
1637
57442411
MR
1638test_deps _muxer _demuxer \
1639 aiff \
1640 pcm_alaw=alaw \
1641 asf \
1642 au \
1643 avi \
1644 dv=dv_fmt \
1645 ffm \
1646 flv=flv_fmt \
1647 gxf \
1648 matroska=mkv \
1649 mmf \
1650 mov \
1651 pcm_mulaw=mulaw \
0218808d 1652 mxf="mxf mxf_d10" \
57442411
MR
1653 nut \
1654 ogg \
1655 rawvideo=pixfmt \
1656 rm \
1657 swf \
1658 mpegts=ts \
1659 voc \
1660 wav \
1661 yuv4mpegpipe=yuv4mpeg \
1662
de6d9b64 1663# default parameters
8a608357 1664
19bd477d 1665logfile="config.log"
8a608357
MR
1666
1667# installation paths
c9d19248
MR
1668prefix_default="/usr/local"
1669bindir_default='${prefix}/bin'
6291d7e4 1670datadir_default='${prefix}/share/avconv'
c9d19248
MR
1671incdir_default='${prefix}/include'
1672libdir_default='${prefix}/lib'
1673mandir_default='${prefix}/share/man'
1674shlibdir_default="$libdir_default"
8a608357
MR
1675
1676# toolchain
121d78d0 1677ar_default="ar"
13c7df3d 1678cc_default="gcc"
9da6609f 1679host_cc_default="gcc"
11e6d03a 1680ln_s="ln -sf"
89641463 1681nm_default="nm"
11e6d03a 1682objformat="elf"
3f8040db 1683pkg_config_default=pkg-config
be7109c1 1684ranlib="ranlib"
11e6d03a 1685yasmexe="yasm"
8a608357 1686
8182dc34 1687nm_opts='-g'
3e0b1c9a 1688nogas=":"
8182dc34 1689
8a608357 1690# machine
8d4c00ed 1691arch_default=$(uname -m)
38d0a8aa 1692cpu="generic"
8a608357 1693
8a608357 1694# OS
8d4c00ed
MR
1695target_os_default=$(tolower $(uname -s))
1696host_os=$target_os_default
8a608357 1697
8a608357 1698# configurable options
055c61b8
DB
1699enable $PROGRAM_LIST
1700
5a0f7131
MR
1701enable avcodec
1702enable avdevice
cccc039f 1703enable avfilter
5a0f7131 1704enable avformat
c8af852b 1705enable avresample
dc4f5a1c 1706enable avutil
3e0b1c9a
DB
1707enable swscale
1708
3e0b1c9a
DB
1709enable asm
1710enable debug
1711enable doc
1712enable fastdiv
497237c7 1713enable network
8400d6b8 1714enable optimizations
8cfbbd92 1715enable safe_bitstream_reader
530dc538 1716enable static
a9ddb5b1 1717enable swscale_alpha
8a608357 1718
8a608357 1719# build settings
9987769a 1720SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1721AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1722LIBPREF="lib"
1723LIBSUF=".a"
c5f14466
RP
1724FULLNAME='$(NAME)$(BUILDSUF)'
1725LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1726SLIBPREF="lib"
1727SLIBSUF=".so"
c5f14466 1728SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1729SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1730SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1731LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1732SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1733SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1734
68485d1f
MR
1735asflags_filter=echo
1736cflags_filter=echo
64933b6c
MR
1737ldflags_filter=echo
1738
23565c26 1739AS_C='-c'
bc877faf 1740AS_O='-o $@'
23565c26 1741CC_C='-c'
18031c49 1742CC_E='-E -o $@'
7e6c86e6 1743CC_O='-o $@'
a758c5e2 1744LD_O='-o $@'
23565c26 1745HOSTCC_C='-c'
a758c5e2 1746HOSTCC_O='-o $@'
7e6c86e6 1747
1d01fee9 1748host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1749host_libs='-lm'
6c3fa06a
MR
1750host_cflags_filter=echo
1751host_ldflags_filter=echo
9da6609f 1752
9b861379 1753target_path='$(CURDIR)'
a7ada2ba 1754
a158446b
MR
1755# since the object filename is not given with the -MM flag, the compiler
1756# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1757DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1758DEPFLAGS='-MM'
315c741d 1759
c597172e 1760# find source path
24524f36 1761if test -f configure; then
f038cf3c 1762 source_path=.
c597172e 1763else
8477f2de 1764 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1765 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1766 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1767 test -e "$source_path/config.h" &&
1768 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1769fi
1770
13cbe2c0 1771for v in "$@"; do
b04251c5
MR
1772 r=${v#*=}
1773 l=${v%"$r"}
1774 r=$(sh_quote "$r")
29ba0911 1775 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1776done
c597172e 1777
73ef8980
MR
1778find_things(){
1779 thing=$1
1780 pattern=$2
1781 file=$source_path/$3
932ccf39 1782 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1783}
1784
1785ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1786DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1787HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1788PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1789BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1790MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1791DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1792OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1793INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1794PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1795FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1796
54e75be4
DB
1797ALL_COMPONENTS="
1798 $BSF_LIST
1799 $DECODER_LIST
1800 $DEMUXER_LIST
1801 $ENCODER_LIST
1802 $FILTER_LIST
1803 $HWACCEL_LIST
1804 $INDEV_LIST
1805 $MUXER_LIST
1806 $OUTDEV_LIST
1807 $PARSER_LIST
1808 $PROTOCOL_LIST
1809"
1810
57442411 1811find_tests(){
b9d5f1b7 1812 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
57442411
MR
1813}
1814
57442411 1815LAVF_TESTS=$(find_tests lavf)
48c28162 1816LAVFI_TESTS=$(find_tests lavfi)
b9d5f1b7 1817SEEK_TESTS=$(find_tests seek seek_)
57442411 1818
7263cd55 1819ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
40fe5019 1820
8469ae22
MR
1821for n in $COMPONENT_LIST; do
1822 v=$(toupper ${n%s})_LIST
1823 eval enable \$$v
1824 eval ${n}_if_any="\$$v"
1825done
1826
54e75be4 1827enable $ARCH_EXT_LIST $ALL_TESTS
c597172e
MR
1828
1829die_unknown(){
1830 echo "Unknown option \"$1\"."
1831 echo "See $0 --help for available options."
1832 exit 1
1833}
1834
794f8e97 1835show_list() {
bf0c4afa
RP
1836 suffix=_$1
1837 shift
2b444ea7 1838 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1839 exit 0
1840}
1841
c597172e 1842for opt do
7483e694
DB
1843 optval="${opt#*=}"
1844 case "$opt" in
0f010b2f 1845 --extra-ldflags=*) add_ldflags $optval
7483e694 1846 ;;
0f010b2f 1847 --extra-libs=*) add_extralibs $optval
7483e694 1848 ;;
8fb1cb58 1849 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1850 ;;
40bcf4c7
BL
1851 --enable-debug=*) debuglevel="$optval"
1852 ;;
36e2dea0 1853 --disable-everything)
1b15dc3c 1854 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1855 ;;
7483e694 1856 --enable-*=*|--disable-*=*)
8b93ddc3 1857 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1858 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1859 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1860 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1861 $action $(filter "$name" $list)
7483e694
DB
1862 ;;
1863 --enable-?*|--disable-?*)
5e622c40 1864 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1865 if is_in $option $COMPONENT_LIST; then
fed5d54b 1866 test $action = disable && action=unset
e3773a55
MR
1867 eval $action \$$(toupper ${option%s})_LIST
1868 elif is_in $option $CMDLINE_SELECT; then
1869 $action $option
1870 else
1871 die_unknown $opt
1872 fi
7483e694
DB
1873 ;;
1874 --list-*)
1875 NAME="${opt#--list-}"
1876 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1877 NAME=${NAME%s}
1878 eval show_list $NAME \$$(toupper $NAME)_LIST
1879 ;;
1880 --help|-h) show_help
1881 ;;
1882 *)
884a36a7 1883 optname="${opt%%=*}"
26759c44
MR
1884 optname="${optname#--}"
1885 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1886 if is_in $optname $CMDLINE_SET; then
1887 eval $optname='$optval'
1888 elif is_in $optname $CMDLINE_APPEND; then
1889 append $optname "$optval"
1890 else
1891 die_unknown $opt
1892 fi
7483e694
DB
1893 ;;
1894 esac
c597172e
MR
1895done
1896
bcea99bb
MR
1897disabled logging && logfile=/dev/null
1898
29ba0911 1899echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
1900set >> $logfile
1901
9da6609f
MR
1902test -n "$cross_prefix" && enable cross_compile
1903
8d4c00ed
MR
1904if enabled cross_compile; then
1905 test -n "$arch" && test -n "$target_os" ||
1906 die "Must specify target arch and OS when cross-compiling"
1907fi
1908
1909set_default arch target_os
1910
121d78d0 1911ar_default="${cross_prefix}${ar_default}"
11e6d03a 1912cc_default="${cross_prefix}${cc_default}"
20e0ed95 1913nm_default="${cross_prefix}${nm_default}"
3f8040db 1914pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 1915ranlib="${cross_prefix}${ranlib}"
adb2b908 1916
c5200f17
MR
1917sysinclude_default="${sysroot}/usr/include"
1918
e0be794a 1919set_default cc nm pkg_config sysinclude
9da6609f
MR
1920enabled cross_compile || host_cc_default=$cc
1921set_default host_cc
13c7df3d 1922
762f95e4
MR
1923if ! $pkg_config --version >/dev/null 2>&1; then
1924 warn "$pkg_config not found, library detection may fail."
1925 pkg_config=false
1926fi
1927
82bb3329
MR
1928exesuf() {
1929 case $1 in
1c69c79f 1930 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
1931 esac
1932}
1933
1934EXESUF=$(exesuf $target_os)
1935HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1936
e4e69e0b 1937# set temporary file name
a49d42c2 1938: ${TMPDIR:=$TEMPDIR}
c51fafa1 1939: ${TMPDIR:=$TMP}
a49d42c2 1940: ${TMPDIR:=/tmp}
e4e69e0b 1941
a210bce2 1942if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
1943 # simple replacement for missing mktemp
1944 # NOT SAFE FOR GENERAL USE
1945 mktemp(){
09a5c245 1946 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
1947 }
1948fi
1949
1950tmpfile(){
1951 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1952 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1953 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1954 append TMPFILES $tmp
1955 eval $1=$tmp
1956}
1957
1958trap 'rm -f -- $TMPFILES' EXIT
54460a83 1959
55127e7b 1960tmpfile TMPASM .asm
3e0b1c9a
DB
1961tmpfile TMPC .c
1962tmpfile TMPE $EXESUF
1963tmpfile TMPH .h
1964tmpfile TMPO .o
1965tmpfile TMPS .S
1966tmpfile TMPSH .sh
1967tmpfile TMPV .ver
54460a83
MR
1968
1969unset -f mktemp
e4e69e0b 1970
fb3c4ffc
MR
1971chmod +x $TMPE
1972
993f2d0f
MR
1973# make sure we can execute files in $TMPDIR
1974cat > $TMPSH 2>> $logfile <<EOF
1975#! /bin/sh
1976EOF
1977chmod +x $TMPSH >> $logfile 2>&1
1978if ! $TMPSH >> $logfile 2>&1; then
1979 cat <<EOF
1980Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1981variable to another directory and make sure that it is not mounted noexec.
1982EOF
1983 die "Sanity test failed."
1984fi
993f2d0f 1985
d0c6d424
MR
1986pgi_flags(){
1987 for flag; do
1988 case $flag in
1989 -fomit-frame-pointer) echo -Mnoframe ;;
1990 -g) echo -gopt ;;
1991 *) echo $flag ;;
1992 esac
1993 done
1994}
1995
1996suncc_flags(){
1997 for flag; do
1998 case $flag in
1999 -march=*|-mcpu=*)
2000 case "${flag#*=}" in
2001 native) echo -xtarget=native ;;
2002 v9|niagara) echo -xarch=sparc ;;
2003 ultrasparc) echo -xarch=sparcvis ;;
2004 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2005 i586|pentium) echo -xchip=pentium ;;
2006 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2007 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2008 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2009 pentium4*) echo -xtarget=pentium4 ;;
2010 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2011 *-sse3) echo -xarch=sse3 ;;
2012 core2) echo -xarch=ssse3 -xchip=core2 ;;
2013 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2014 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2015 k8|opteron|athlon64|athlon-fx)
2016 echo -xarch=sse2a ;;
2017 athlon*) echo -xarch=pentium_proa ;;
2018 esac
2019 ;;
2020 -std=c99) echo -xc99 ;;
2021 -fomit-frame-pointer) echo -xregs=frameptr ;;
2022 -fPIC) echo -KPIC -xcode=pic32 ;;
2023 -W*,*) echo $flag ;;
2024 -f*-*|-W*) ;;
2025 *) echo $flag ;;
2026 esac
2027 done
2028}
2029
2030tms470_flags(){
2031 for flag; do
2032 case $flag in
2033 -march=*|-mcpu=*)
2034 case "${flag#*=}" in
2035 armv7-a|cortex-a*) echo -mv=7a8 ;;
2036 armv7-r|cortex-r*) echo -mv=7r4 ;;
2037 armv7-m|cortex-m*) echo -mv=7m3 ;;
2038 armv6*|arm11*) echo -mv=6 ;;
2039 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2040 echo -mv=5e ;;
2041 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2042 esac
2043 ;;
2044 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2045 -mfpu=vfp) echo --float_support=vfpv2 ;;
2046 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2047 -msoft-float) echo --float_support=vfplib ;;
2048 -O[0-3]|-mf=*) echo $flag ;;
2049 -g) echo -g -mn ;;
2050 -pds=*) echo $flag ;;
ad93dccb
MR
2051 -D*|-I*) echo $flag ;;
2052 --gcc|--abi=*) echo $flag ;;
2053 -me) echo $flag ;;
d0c6d424
MR
2054 esac
2055 done
2056}
2057
a758c5e2
MR
2058probe_cc(){
2059 pfx=$1
2060 _cc=$2
2061
23565c26 2062 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags _ldflags
18031c49 2063 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2064 _flags_filter=echo
2065
2066 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2067 _type=llvm_gcc
2068 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2069 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2070 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2071 _cflags_speed='-O3'
2072 _cflags_size='-Os'
2073 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2074 _type=gcc
2075 gcc_version=$($_cc --version | head -n1)
2076 gcc_basever=$($_cc -dumpversion)
2077 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2078 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2079 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2080 if ! $_cc -dumpversion | grep -q '^2\.'; then
2081 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2082 fi
2083 _cflags_speed='-O3'
2084 _cflags_size='-Os'
2085 elif $_cc --version 2>/dev/null | grep -q Intel; then
2086 _type=icc
2087 _ident=$($_cc --version | head -n1)
2088 _depflags='-MMD'
2089 _cflags_speed='-O3'
2090 _cflags_size='-Os'
2091 _cflags_noopt='-O1'
2092 elif $_cc -v 2>&1 | grep -q xlc; then
2093 _type=xlc
2094 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2095 _cflags_speed='-O5'
2096 _cflags_size='-O5 -qcompact'
2097 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2098 _type=ccc
2099 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2100 _DEPFLAGS='-M'
2101 debuglevel=3
2102 _ldflags='-Wl,-z,now' # calls to libots crash without this
2103 _cflags_speed='-fast'
2104 _cflags_size='-O1'
2105 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2106 test -d "$sysroot" || die "No valid sysroot specified."
2107 _type=armcc
2108 _ident=$($_cc --vsn | head -n1)
2109 armcc_conf="$PWD/armcc.conf"
2110 $_cc --arm_linux_configure \
2111 --arm_linux_config_file="$armcc_conf" \
2112 --configure_sysroot="$sysroot" \
2113 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2114 die "Error creating armcc configuration file."
2115 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2116 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2117 as_default="${cross_prefix}gcc"
2118 _depflags='-MMD'
2119 _cflags_speed='-O3'
2120 _cflags_size='-Os'
2121 elif $_cc -version 2>/dev/null | grep -q TMS470; then
2122 _type=tms470
2123 _ident=$($_cc -version | head -n1 | tr -s ' ')
2124 _flags='--gcc --abi=eabi -me'
2125 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
18031c49 2126 _cc_e='-ppl -fe=$@'
a758c5e2
MR
2127 _cc_o='-fe=$@'
2128 as_default="${cross_prefix}gcc"
2129 ld_default="${cross_prefix}gcc"
2130 _depflags='-ppa -ppd=$(@:.o=.d)'
2131 _cflags_speed='-O3 -mf=5'
2132 _cflags_size='-O3 -mf=2'
2133 _flags_filter=tms470_flags
2134 elif $_cc -v 2>&1 | grep -q clang; then
2135 _type=clang
2136 _ident=$($_cc --version | head -n1)
2137 _depflags='-MMD'
2138 _cflags_speed='-O3'
2139 _cflags_size='-Os'
2140 elif $_cc -V 2>&1 | grep -q Sun; then
2141 _type=suncc
2142 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2143 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2144 _DEPFLAGS='-xM1'
2145 _ldflags='-std=c99'
2146 _cflags_speed='-O5'
2147 _cflags_size='-O5 -xspace'
2148 _flags_filter=suncc_flags
2149 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2150 _type=pathscale
2151 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2152 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2153 _cflags_speed='-O2'
2154 _cflags_size='-Os'
2155 _flags_filter='filter_out -Wdisabled-optimization'
2156 elif $_cc -v 2>&1 | grep -q Open64; then
2157 _type=open64
2158 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2159 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2160 _cflags_speed='-O2'
2161 _cflags_size='-Os'
2162 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2163 elif $_cc -V 2>&1 | grep -q Portland; then
2164 _type=pgi
2165 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2166 opt_common='-alias=ansi -Mlre -Mpre'
2167 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2168 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2169 _cflags_noopt="-O1"
2170 _flags_filter=pgi_flags
aef6bd1b 2171 fi
a758c5e2
MR
2172
2173 eval ${pfx}_type=\$_type
2174 eval ${pfx}_ident=\$_ident
2175}
2176
2177set_ccvars(){
23565c26 2178 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2179 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2180 eval ${1}_O=\${_cc_o-\${${1}_O}}
2181
2182 if [ -n "$_depflags" ]; then
2183 eval ${1}_DEPFLAGS=\$_depflags
2184 else
2185 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2186 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2187 eval DEP${1}FLAGS=\$_flags
2188 fi
2189}
2190
2191probe_cc cc "$cc"
2192cflags_filter=$_flags_filter
2193cflags_speed=$_cflags_speed
2194cflags_size=$_cflags_size
2195cflags_noopt=$_cflags_noopt
2196add_cflags $_flags $_cflags
2197cc_ldflags=$_ldflags
2198set_ccvars CC
2199
2200probe_cc hostcc "$host_cc"
2201host_cflags_filter=$_flags_filter
2202host_ldflags_filter=$_flags_filter
2203add_host_cflags $_flags $_cflags
2204add_host_ldflags $_flags $_ldflags
2205set_ccvars HOSTCC
629687f6 2206
851ffa80
MR
2207test -n "$cc_type" && enable $cc_type ||
2208 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2209
75bafbac 2210: ${as_default:=$cc}
50567afa 2211: ${dep_cc_default:=$cc}
684b28e0 2212: ${ld_default:=$cc}
121d78d0 2213set_default ar as dep_cc ld
75800dce 2214
a758c5e2
MR
2215probe_cc as "$as"
2216asflags_filter=$_flags_filter
2217add_asflags $_flags $_cflags
2218set_ccvars AS
2219
2220probe_cc ld "$ld"
2221ldflags_filter=$_flags_filter
2222add_ldflags $_flags $_ldflags
2223test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2224LD_O=${_cc_o-$LD_O}
2225
2226if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2227 probe_cc depcc "$dep_cc"
2228 CCDEP=${_DEPCMD:-$DEPCMD}
2229 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2230 DEPCCFLAGS=$_flags
2231fi
07dec06e 2232
7f32f40c 2233add_cflags $extra_cflags
2f2e6c7c 2234add_asflags $extra_cflags
7f32f40c 2235
154d432c
MR
2236if test -n "$sysroot"; then
2237 case "$cc_type" in
00ba041c 2238 gcc|llvm_gcc|clang)
467256f2 2239 add_cppflags --sysroot="$sysroot"
154d432c
MR
2240 add_ldflags --sysroot="$sysroot"
2241 ;;
6fec122a
MR
2242 tms470)
2243 add_cppflags -I"$sysinclude"
2244 add_ldflags --sysroot="$sysroot"
2245 ;;
154d432c
MR
2246 esac
2247fi
2248
d22c13a8
MR
2249if test "$cpu" = host; then
2250 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2251
2252 case "$cc_type" in
613a4e3f 2253 gcc|llvm_gcc)
d22c13a8
MR
2254 check_native(){
2255 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2256 sed -n "/cc1.*$1=/{
27ce1be8
MR
2257 s/.*$1=\\([^ ]*\\).*/\\1/
2258 p
2259 q
2260 }" $TMPE
d22c13a8
MR
2261 }
2262 cpu=$(check_native -march || check_native -mcpu)
2263 ;;
2264 esac
2265
2266 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2267fi
2268
e939cedd
MR
2269# Deal with common $arch aliases
2270case "$arch" in
2271 arm*)
2272 arch="arm"
2273 ;;
2274 mips|mipsel|IP*)
2275 arch="mips"
2276 ;;
47b1860e 2277 mips64*)
e939cedd
MR
2278 arch="mips"
2279 subarch="mips64"
2280 ;;
2281 parisc|hppa)
2282 arch="parisc"
2283 ;;
2284 parisc64|hppa64)
2285 arch="parisc"
2286 subarch="parisc64"
2287 ;;
2288 "Power Macintosh"|ppc|powerpc)
2289 arch="ppc"
2290 ;;
47b1860e 2291 ppc64|powerpc64)
e939cedd
MR
2292 arch="ppc"
2293 subarch="ppc64"
2294 ;;
2295 s390|s390x)
2296 arch="s390"
2297 ;;
2298 sh4|sh)
2299 arch="sh4"
2300 ;;
2301 sun4u|sparc64)
2302 arch="sparc"
2303 subarch="sparc64"
2304 ;;
d33ed7b3 2305 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2306 arch="x86"
2307 ;;
2308esac
2309
851ffa80 2310is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2311enable $arch
e939cedd 2312
df5cdc24 2313# Add processor-specific flags
5d54c126
MR
2314if test "$cpu" = generic; then
2315 : do nothing
2316elif enabled ppc; then
343aef9b 2317
56348891
MR
2318 case $(tolower $cpu) in
2319 601|ppc601|powerpc601)
9dbd5c3d 2320 cpuflags="-mcpu=601"
64ad53ff 2321 disable altivec
9dbd5c3d 2322 ;;
56348891 2323 603*|ppc603*|powerpc603*)
9dbd5c3d 2324 cpuflags="-mcpu=603"
64ad53ff 2325 disable altivec
9dbd5c3d 2326 ;;
56348891 2327 604*|ppc604*|powerpc604*)
9dbd5c3d 2328 cpuflags="-mcpu=604"
64ad53ff 2329 disable altivec
9dbd5c3d 2330 ;;
56348891 2331 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2332 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2333 disable altivec
9dbd5c3d 2334 ;;
56348891 2335 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2336 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2337 ;;
56348891 2338 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2339 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2340 ;;
313f9fbf 2341 g5|970|ppc970|powerpc970)
9dbd5c3d
MR
2342 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2343 ;;
313f9fbf
SM
2344 power[3-7]*)
2345 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2346 ;;
56348891 2347 cell)
9dbd5c3d
MR
2348 cpuflags="-mcpu=cell"
2349 enable ldbrx
2350 ;;
7b0b81a1
AL
2351 e500v2)
2352 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2353 disable altivec
2354 ;;
2355 e500)
2356 cpuflags="-mcpu=8540 -mhard-float"
2357 disable altivec
2358 ;;
9dbd5c3d 2359 esac
343aef9b
MR
2360
2361elif enabled x86; then
2362
9dbd5c3d
MR
2363 case $cpu in
2364 i[345]86|pentium)
2365 cpuflags="-march=$cpu"
2366 disable mmx
2367 ;;
2368 # targets that do NOT support conditional mov (cmov)
2369 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2370 cpuflags="-march=$cpu"
2371 disable cmov
2372 ;;
2373 # targets that do support conditional mov (cmov)
9ddf1b1a 2374 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
9dbd5c3d
MR
2375 cpuflags="-march=$cpu"
2376 enable cmov
2377 enable fast_cmov
2378 ;;
2379 # targets that do support conditional mov but on which it's slow
2380 pentium4|pentium4m|prescott|nocona)
2381 cpuflags="-march=$cpu"
2382 enable cmov
2383 disable fast_cmov
2384 ;;
2385 esac
343aef9b
MR
2386
2387elif enabled sparc; then
2388
9dbd5c3d 2389 case $cpu in
26b7199e
MK
2390 niagara)
2391 cpuflags="-mcpu=$cpu"
2392 disable vis
2393 ;;
9dbd5c3d
MR
2394 sparc64)
2395 cpuflags="-mcpu=v9"
2396 ;;
2397 esac
343aef9b
MR
2398
2399elif enabled arm; then
2400
34ba23c9
MR
2401 case $cpu in
2402 armv*)
2403 cpuflags="-march=$cpu"
c2eae137 2404 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
34ba23c9
MR
2405 ;;
2406 *)
2407 cpuflags="-mcpu=$cpu"
c2eae137
MR
2408 case $cpu in
2409 cortex-a*) subarch=armv7a ;;
2410 cortex-r*) subarch=armv7r ;;
9e19704a 2411 cortex-m*) enable thumb; subarch=armv7m ;;
c2eae137
MR
2412 arm11*) subarch=armv6 ;;
2413 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2414 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2415 esac
34ba23c9
MR
2416 ;;
2417 esac
343aef9b
MR
2418
2419elif enabled alpha; then
2420
34ba23c9 2421 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2422
2423elif enabled bfin; then
2424
34ba23c9 2425 cpuflags="-mcpu=$cpu"
343aef9b
MR
2426
2427elif enabled mips; then
2428
34ba23c9 2429 cpuflags="-march=$cpu"
343aef9b
MR
2430
2431elif enabled avr32; then
2432
9dbd5c3d
MR
2433 case $cpu in
2434 ap7[02]0[0-2])
2435 subarch="avr32_ap"
2436 cpuflags="-mpart=$cpu"
2437 ;;
2438 ap)
2439 subarch="avr32_ap"
2440 cpuflags="-march=$cpu"
2441 ;;
2442 uc3[ab]*)
2443 subarch="avr32_uc"
2444 cpuflags="-mcpu=$cpu"
2445 ;;
2446 uc)
2447 subarch="avr32_uc"
2448 cpuflags="-march=$cpu"
2449 ;;
2450 esac
df5cdc24 2451
343aef9b
MR
2452fi
2453
df5cdc24
MR
2454add_cflags $cpuflags
2455add_asflags $cpuflags
2456
993f2d0f
MR
2457# compiler sanity check
2458check_exec <<EOF
2459int main(void){ return 0; }
2460EOF
2461if test "$?" != 0; then
2462 echo "$cc is unable to create an executable file."
2463 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2464 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2465 echo "Only do this if you know what cross compiling means."
2466 fi
2467 die "C compiler test failed."
2468fi
2469
046f081b 2470add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2471check_cflags -std=c99
50a334e4 2472check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2473#include <stdlib.h>
2474EOF
50a334e4 2475check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2476#include <stdlib.h>
2477EOF
e9b9a2f8 2478
f0125de9 2479check_host_cflags -std=c99
0a6db2a2 2480check_host_cflags -Wall
f0125de9 2481
b24dbcbd 2482case "$arch" in
e939cedd 2483 alpha|ia64|mips|parisc|sparc)
8a3c8627 2484 spic=$shared
b24dbcbd 2485 ;;
e939cedd 2486 x86)
cfdb6148 2487 subarch="x86_32"
5adc829e 2488 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
de27f4d9 2489 if test "$subarch" = "x86_64"; then
e939cedd 2490 spic=$shared
de27f4d9 2491 fi
b24dbcbd 2492 ;;
b24dbcbd
RP
2493esac
2494
343aef9b 2495enable $subarch
8a3c8627 2496enabled spic && enable pic
b24dbcbd 2497
7483e694 2498# OS specific
4f854758 2499case $target_os in
a1629e28 2500 haiku)
63ae7e7c 2501 prefix_default="/boot/common"
108caaaa 2502 network_extralibs="-lnetwork"
f59c4bd6 2503 host_libs=
a1629e28 2504 ;;
7483e694 2505 sunos)
4d58e4cb 2506 AVSERVERLDFLAGS=""
9987769a 2507 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2508 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2509 network_extralibs="-lsocket -lnsl"
779222db 2510 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2511 # When using suncc to build, the Solaris linker will mark
2512 # an executable with each instruction set encountered by
2513 # the Solaris assembler. As our libraries contain their own
2514 # guards for processor-specific code, instead suppress
2515 # generation of the HWCAPS ELF section on Solaris x86 only.
2516 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
8182dc34 2517 nm_opts='-P -g'
7483e694
DB
2518 ;;
2519 netbsd)
a1e4b3f6 2520 disable symver
07a8eef6
MR
2521 oss_indev_extralibs="-lossaudio"
2522 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2523 ;;
2524 openbsd)
7c4a001a 2525 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2526 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2527 # however the generated executable will not do anything
2528 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2529 # Thus explicitly enable PIC here.
cd78208b 2530 enable pic
a1e4b3f6 2531 disable symver
7483e694 2532 SHFLAGS='-shared'
07a8eef6
MR
2533 oss_indev_extralibs="-lossaudio"
2534 oss_outdev_extralibs="-lossaudio"
7483e694 2535 ;;
a1e4b3f6 2536 dragonfly)
a1e4b3f6
MR
2537 disable symver
2538 ;;
2539 freebsd)
7483e694
DB
2540 ;;
2541 bsd/os)
355d81df 2542 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2543 ;;
2544 darwin)
301ab19d 2545 gas="gas-preprocessor.pl $cc"
e08b8239 2546 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2547 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2548 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2549 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2550 SLIBSUF=".dylib"
2551 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2552 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2553 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2554 objformat="macho"
1b0f6fb8 2555 enabled x86_64 && objformat="macho64"
8dfa86f7 2556 enabled_any pic shared ||
2704bd1a 2557 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2558 ;;
2559 mingw32*)
9d3f4f50 2560 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2561 disable network
2562 else
2563 target_os=mingw32
2564 fi
dcc01c06 2565 LIBTARGET=i386
1fc9fb8a 2566 if enabled x86_64; then
417516f6 2567 LIBTARGET="i386:x86-64"
336cc1b0 2568 elif enabled arm; then
15c5156d 2569 LIBTARGET=arm-wince
dcc01c06 2570 fi
fbd971a4 2571 shlibdir_default="$bindir_default"
7483e694
DB
2572 SLIBPREF=""
2573 SLIBSUF=".dll"
7483e694
DB
2574 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2575 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2f138f0b
MR
2576 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2577 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2578 SLIB_INSTALL_LINKS=
2579 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2580 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4b51fb1c 2581 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'
304d586d 2582 objformat="win32"
ec10a9ab 2583 dlltool="${cross_prefix}dlltool"
bc574408 2584 enable dos_paths
1894e741 2585 check_cflags -fno-common
e26011d0
RP
2586 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2587 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2588 die "ERROR: MinGW runtime version must be >= 3.15."
5666a9f2 2589 add_cppflags -U__STRICT_ANSI__
7483e694
DB
2590 ;;
2591 cygwin*)
4f854758 2592 target_os=cygwin
fbd971a4 2593 shlibdir_default="$bindir_default"
7483e694
DB
2594 SLIBPREF="cyg"
2595 SLIBSUF=".dll"
2596 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2597 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2598 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2599 objformat="win32"
bc574408 2600 enable dos_paths
1894e741 2601 check_cflags -fno-common
a7a187a1 2602 add_cppflags -U__STRICT_ANSI__
7483e694 2603 ;;
4f365f37 2604 *-dos|freedos|opendos)
4f365f37 2605 network_extralibs="-lsocket"
ff1c015d 2606 objformat="coff"
bc574408 2607 enable dos_paths
a7a187a1 2608 add_cppflags -U__STRICT_ANSI__
4f365f37 2609 ;;
7483e694 2610 linux)
046f081b 2611 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
7483e694
DB
2612 enable dv1394
2613 ;;
2614 irix*)
4f854758 2615 target_os=irix
7483e694
DB
2616 ranlib="echo ignoring ranlib"
2617 ;;
d22e8442 2618 os/2*)
d22e8442 2619 ln_s="cp -f"
9297f1ed 2620 objformat="aout"
e14574eb 2621 add_cppflags -D_GNU_SOURCE
355d81df 2622 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2623 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2624 AVSERVERLDFLAGS=""
287d3b13 2625 LIBSUF="_s.a"
d22e8442
DY
2626 SLIBPREF=""
2627 SLIBSUF=".dll"
2628 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2629 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2630 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2631 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2632 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2633 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2634 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2635 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2636 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2637 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2638 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2639 enable dos_paths
d22e8442 2640 ;;
83993c1c 2641 gnu/kfreebsd)
c1f54478 2642 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
83993c1c 2643 ;;
34e82167 2644 gnu)
f60d1366 2645 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
34e82167 2646 ;;
d33ed7b3
MR
2647 qnx)
2648 add_cppflags -D_QNX_SOURCE
2649 network_extralibs="-lsocket"
2650 ;;
1c69c79f
MS
2651 symbian)
2652 SLIBSUF=".dll"
2653 enable dos_paths
e3bc07f4
MS
2654 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2655 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2656 add_ldflags -Wl,--target1-abs,--no-undefined \
2657 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2658 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2659 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2660 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2661 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2662 ;;
614d8911
MR
2663 none)
2664 ;;
7483e694 2665 *)
4f924f9a 2666 die "Unknown OS '$target_os'."
7483e694
DB
2667 ;;
2668esac
2669
6555acad
MR
2670esc(){
2671 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2672}
2673
2674echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 2675
13cb2187
AS
2676check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2677
c9d19248
MR
2678set_default $PATHS_LIST
2679
320d060a 2680# we need to build at least one lib type
93b3c083 2681if ! enabled_any static shared; then
320d060a
DB
2682 cat <<EOF
2683At least one library type must be built.
2684Specify --enable-static to build the static libraries or --enable-shared to
2685build the shared libraries as well. To only build the shared libraries specify
2686--disable-static in addition to --enable-shared.
2687EOF
2688 exit 1;
2689fi
2690
2184c6f7 2691die_license_disabled() {
4c27207c 2692 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2693}
2694
e417d80d 2695die_license_disabled gpl libcdio
2184c6f7 2696die_license_disabled gpl libx264
de295976 2697die_license_disabled gpl libxavs
2184c6f7 2698die_license_disabled gpl libxvid
2184c6f7
DB
2699die_license_disabled gpl x11grab
2700
2f7ae63b 2701die_license_disabled nonfree libfaac
87246953 2702die_license_disabled nonfree libfdk_aac
a060866f 2703die_license_disabled nonfree openssl
b2e3c528 2704
0b175caa
DB
2705die_license_disabled version3 libopencore_amrnb
2706die_license_disabled version3 libopencore_amrwb
d89e738a 2707die_license_disabled version3 libvo_aacenc
f502ff3f 2708die_license_disabled version3 libvo_amrwbenc
0b175caa 2709
9cad0e4e 2710enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2711
40617a6d 2712disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2713
e276d9e8
MR
2714enable_pic() {
2715 enable pic
bce7b696
MR
2716 add_cppflags -DPIC
2717 add_cflags -fPIC
2718 add_asflags -fPIC
e276d9e8
MR
2719}
2720
2721enabled pic && enable_pic
bce7b696 2722
b4d96ba2
MR
2723check_cc <<EOF || die "Symbol mangling check failed."
2724int ff_extern;
2725EOF
8182dc34 2726sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2727extern_prefix=${sym%%ff_extern*}
2728
f65883c8
MR
2729check_cc <<EOF && enable inline_asm
2730void foo(void) { __asm__ volatile ("" ::); }
2731EOF
61d251db 2732
df5e3978
MR
2733_restrict=
2734for restrict_keyword in restrict __restrict__ __restrict; do
2735 check_cc <<EOF && _restrict=$restrict_keyword && break
2736void foo(char * $restrict_keyword p);
2737EOF
2738done
2739
2740check_cc <<EOF && enable attribute_packed
2741struct { int x; } __attribute__((packed)) x;
2742EOF
2743
dffb41b9
MR
2744check_cc <<EOF && enable attribute_may_alias
2745union { int x; } __attribute__((may_alias)) x;
2746EOF
2747
df5e3978
MR
2748check_cc <<EOF || die "endian test failed"
2749unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2750EOF
48fc536a 2751od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2752
e939cedd
MR
2753if enabled alpha; then
2754
2755 check_cflags -mieee
2756
2757elif enabled arm; then
e45391bb 2758
8986fddc 2759 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 2760 nogas=die
50fa82e6 2761
44caaa56
MR
2762 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2763 enable vfp_args
2764 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2765 case "${cross_prefix:-$cc}" in
2766 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2767 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
2768__asm__ (".eabi_attribute 28, 1");
2769int main(void) { return 0; }
2770EOF
44caaa56
MR
2771 esac
2772 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2773 fi
fa0912fe 2774
fa0912fe
MR
2775 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2776 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2777 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2778 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
fa0912fe 2779 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
93eb8e4d 2780 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
e45391bb 2781
6308729e
MR
2782 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2783
e276d9e8
MR
2784 enabled_all armv6t2 shared !pic && enable_pic
2785
fa0912fe 2786elif enabled mips; then
e45391bb 2787
fa0912fe
MR
2788 check_asm loongson '"dmult.g $1, $2, $3"'
2789 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2790
fa0912fe 2791elif enabled ppc; then
e45391bb 2792
e6a0c354
MR
2793 enable local_aligned_8 local_aligned_16
2794
135448fa 2795 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2796 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2797 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2798 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2799
2800 # AltiVec flags: The FSF version of GCC differs from the Apple version
2801 if enabled altivec; then
301ab19d 2802 nogas=warn
fa0912fe
MR
2803 check_cflags -maltivec -mabi=altivec &&
2804 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2805 check_cflags -faltivec
2806
2807 # check if our compiler supports Motorola AltiVec C API
2808 check_cc <<EOF || disable altivec
2809$inc_altivec_h
2810int main(void) {
2811 vector signed int v1, v2, v3;
2812 v1 = vec_add(v2,v3);
2813 return 0;
2814}
2815EOF
2816
2817 # check if our compiler supports braces for vector declarations
2818 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2819$inc_altivec_h
2820int main (void) { (vector int) {1}; return 0; }
2821EOF
2822 fi
e45391bb 2823
fa0912fe 2824elif enabled sparc; then
e45391bb 2825
fa0912fe
MR
2826 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2827 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2828
fa0912fe 2829elif enabled x86; then
e45391bb 2830
3f150ffb 2831 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
c0ee695b 2832 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
8e85ba8d 2833 check_code ld intrin.h "__rdtsc()" && enable rdtsc
358d854d 2834 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
8e85ba8d 2835
f80ddd5b
RB
2836 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2837
e6a0c354
MR
2838 enable local_aligned_8 local_aligned_16
2839
44965991
PI
2840 # check whether EBP is available on x86
2841 # As 'i' is stored on the stack, this program will crash
2842 # if the base pointer is used to access it because the
2843 # base pointer is cleared in the inline assembly code.
7dfef245 2844 check_exec_crash <<EOF && enable ebp_available
44965991 2845 volatile int i=0;
be449fca 2846 __asm__ volatile (
44965991
PI
2847 "xorl %%ebp, %%ebp"
2848 ::: "%ebp");
2849 return i;
44965991
PI
2850EOF
2851
f494213c 2852 # check whether EBX is available on x86
7cee5421
MR
2853 check_asm ebx_available '""::"b"(0)' &&
2854 check_asm ebx_available '"":::"%ebx"'
8e380710 2855
6f74fb03
RP
2856 # check whether xmm clobbers are supported
2857 check_asm xmm_clobbers '"":::"%xmm0"'
2858
d7f0920b 2859 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2860 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2861 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6 2862
9cca1e40 2863 if ! disabled_any asm mmx yasm; then
b6c06894
MR
2864 if check_cmd $yasmexe --version; then
2865 enabled x86_64 && yasm_extra="-m amd64"
2866 yasm_debug="-g dwarf2"
2867 elif check_cmd nasm -v; then
2868 yasmexe=nasm
2869 yasm_debug="-g -F dwarf"
2870 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2871 fi
2872
2873 YASMFLAGS="-f $objformat $yasm_extra"
2874 enabled pic && append YASMFLAGS "-DPIC"
2875 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2876 case "$objformat" in
2877 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2878 esac
2879
48545a8f 2880 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
25432e85 2881 die "yasm not found, use --disable-yasm for a crippled build"
429059f8 2882 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
79687079 2883 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
31a0dcb2 2884 fi
e45391bb 2885
669b5583
MR
2886 case "$cpu" in
2887 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2888 disable fast_clz
2889 ;;
2890 esac
2891
44965991
PI
2892fi
2893
301ab19d
MR
2894if enabled asm; then
2895 as=${gas:=$as}
2896 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2897 $nogas "GNU assembler not found, install gas-preprocessor"
2898fi
2899
4a7e068b
MR
2900check_ldflags -Wl,--as-needed
2901
a98bb16d
RP
2902if check_func dlopen; then
2903 ldl=
2904elif check_func dlopen -ldl; then
2905 ldl=-ldl
8bf5d58f
MN
2906fi
2907
54fe299b
DV
2908if enabled network; then
2909 check_type "sys/types.h sys/socket.h" socklen_t
2910 check_type netdb.h "struct addrinfo"
75d339e0
MS
2911 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2912 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
2913 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2914 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 2915 check_type poll.h "struct pollfd"
54fe299b
DV
2916 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2917 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5699884c 2918 check_header netinet/sctp.h
f06dee77 2919 check_func getaddrinfo $network_extralibs
54fe299b
DV
2920 # Prefer arpa/inet.h over winsock2
2921 if check_header arpa/inet.h ; then
2922 check_func closesocket
2923 elif check_header winsock2.h ; then
47876d66
DB
2924 check_func_headers winsock2.h closesocket -lws2 &&
2925 network_extralibs="-lws2" ||
2926 { check_func_headers winsock2.h closesocket -lws2_32 &&
54fe299b 2927 network_extralibs="-lws2_32"; }
f06dee77 2928 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
54fe299b
DV
2929 check_type ws2tcpip.h socklen_t
2930 check_type ws2tcpip.h "struct addrinfo"
75d339e0
MS
2931 check_type ws2tcpip.h "struct group_source_req"
2932 check_type ws2tcpip.h "struct ip_mreq_source"
54fe299b 2933 check_type ws2tcpip.h "struct ipv6_mreq"
cdee08e3 2934 check_type winsock2.h "struct pollfd"
54fe299b
DV
2935 check_type ws2tcpip.h "struct sockaddr_in6"
2936 check_type ws2tcpip.h "struct sockaddr_storage"
2937 check_struct winsock2.h "struct sockaddr" sa_len
2938 else
2939 disable network
2940 fi
2941fi
2942
75ecf149
DB
2943# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2944check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2945
534a2231 2946check_func fcntl
7483e694
DB
2947check_func fork
2948check_func gethrtime
667fb97a 2949check_func getopt
7483e694 2950check_func getrusage
fc5607f8 2951check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
61183b5a 2952check_func gettimeofday
094c09bb 2953check_func inet_aton $network_extralibs
abfc8d05 2954check_func isatty
a5b64584 2955check_func localtime_r
4ae40685 2956check_func ${malloc_prefix}memalign && enable memalign
7483e694 2957check_func mkstemp
0328b9ea 2958check_func mmap
4ae40685 2959check_func ${malloc_prefix}posix_memalign && enable posix_memalign
be1a839c 2960check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
0104b608 2961check_func setrlimit
87958234 2962check_func strerror_r
6379900c 2963check_func strptime
47941088 2964check_func strtok_r
ea4d5f48 2965check_func sched_getaffinity
bcc73960 2966check_func sysconf
b9e22269 2967check_func sysctl
d3d3a32c 2968check_func usleep
b507ebd1 2969check_func_headers io.h setmode
b4675d0f 2970check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
fc5607f8 2971check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
02e8f427 2972check_func_headers windows.h GetProcessAffinityMask
2446d3d6 2973check_func_headers windows.h GetProcessTimes
61183b5a 2974check_func_headers windows.h GetSystemTimeAsFileTime
73f6d31e 2975check_func_headers windows.h MapViewOfFile
d3d3a32c 2976check_func_headers windows.h Sleep
7c5bfe7a 2977check_func_headers windows.h VirtualAlloc
6ffa87d3 2978
a98bb16d 2979check_header dlfcn.h
fa845061 2980check_header dxva.h
92c6a099 2981check_header dxva2api.h
3b1ab197 2982check_header io.h
a98bb16d 2983check_header malloc.h
bf6ce82d 2984check_header poll.h
b58412f1 2985check_header sys/mman.h
06bb5905 2986check_header sys/param.h
b091aa44 2987check_header sys/resource.h
bf6ce82d 2988check_header sys/select.h
e64bceea 2989check_header sys/time.h
542920b7 2990check_header unistd.h
272081b0
CEH
2991check_header vdpau/vdpau.h
2992check_header vdpau/vdpau_x11.h
d3d3a32c 2993check_header windows.h
68178ca9 2994check_header X11/extensions/XvMClib.h
a98bb16d 2995
a4fa192c 2996disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2997disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4 2998
ff3755cb
JG
2999if ! disabled w32threads && ! enabled pthreads; then
3000 check_func _beginthreadex && enable w32threads
3001fi
3002
57bd82d4
MR
3003# check for some common methods of building with pthread support
3004# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
3005if ! disabled pthreads && ! enabled w32threads; then
3006 enable pthreads
9e7fd101
MR
3007 if check_func pthread_create; then
3008 :
3009 elif check_func pthread_create -pthread; then
3010 add_cflags -pthread
afc9aee2 3011 add_extralibs -pthread
9e7fd101
MR
3012 elif check_func pthread_create -pthreads; then
3013 add_cflags -pthreads
afc9aee2 3014 add_extralibs -pthreads
8d94f606
GT
3015 elif check_func pthread_create -lpthreadGC2; then
3016 add_extralibs -lpthreadGC2
9e7fd101 3017 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 3018 disable pthreads
9e7fd101 3019 fi
57bd82d4
MR
3020fi
3021
8eee7025 3022for thread in $THREADS_LIST; do
e5f94c2b 3023 if enabled $thread; then
3ae3b721
RP
3024 test -n "$thread_type" &&
3025 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 3026 thread_type="$thread"
e5f94c2b
RP
3027 fi
3028done
3029
50f7c296 3030check_lib math.h sin -lm && LIBM="-lm"
f3e3f28e 3031enabled vaapi && require vaapi va/va.h vaInitialize -lva
fdf88598 3032
15333562 3033check_mathfunc cbrtf
645d2652
MR
3034check_mathfunc exp2
3035check_mathfunc exp2f
46df708b
MS
3036check_mathfunc isinf
3037check_mathfunc isnan
645d2652 3038check_mathfunc llrint
07876e25 3039check_mathfunc llrintf
645d2652
MR
3040check_mathfunc log2
3041check_mathfunc log2f
3042check_mathfunc lrint
3043check_mathfunc lrintf
183b1c22 3044check_mathfunc rint
645d2652
MR
3045check_mathfunc round
3046check_mathfunc roundf
23d3931a 3047check_mathfunc trunc
645d2652 3048check_mathfunc truncf
f32adb22 3049
57bd82d4 3050# these are off by default, so fail if requested and not available
a1b3c5a3 3051enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
47941088 3052enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
bc8c1395 3053enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
79fda097 3054enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
37eeb5e2 3055enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
a5b64584 3056enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
5af41508 3057enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3641b048 3058enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
9b9d3868 3059enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
eb7626a3
MR
3060enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3061enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4fa18c56 3062enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3d6fac8c 3063enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0de9c41f 3064enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4fa18c56
MR
3065enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3066enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
ae14f311 3067enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 3068enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
d89e738a 3069enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
f502ff3f 3070enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
7483e694 3071enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
7d07d6f5
DB
3072enabled libvpx && {
3073 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3074 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3075 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3076 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
eb7626a3 3077enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
46c3c53b
AK
3078 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3079 die "ERROR: libx264 version must be >= 0.118."; }
de295976 3080enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2bfecf73 3081enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
a060866f
MS
3082enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3083 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3084 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3085 die "ERROR: openssl not found"; }
8ac17293 3086
acd554c1
SP
3087if enabled gnutls; then
3088 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3089 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3090fi
3091
0b4a1821
AS
3092# libdc1394 check
3093if enabled libdc1394; then
3094 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3095 enable libdc1394_2; } ||
3096 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3097 enable libdc1394_1; } ||
3098 die "ERROR: No version of libdc1394 found "
3099fi
3100
9bd41bb1 3101if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
aa692d54
MR
3102 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3103 enable sdl &&
3104 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 3105fi
57bd82d4 3106
2270b4b2 3107texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 3108
c6f95144 3109check_header linux/fb.h
06e31011 3110check_header linux/videodev2.h
a6a4793d
LB
3111check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3112
1b6e8b73 3113check_header sys/videoio.h
47f38850 3114
27796dc3 3115check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
3116# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3117# w32api 3.12 had it defined wrong
3118check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 3119
f8aa696f 3120# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
3121{ check_header dev/bktr/ioctl_meteor.h &&
3122 check_header dev/bktr/ioctl_bt848.h; } ||
3123{ check_header machine/ioctl_meteor.h &&
3124 check_header machine/ioctl_bt848.h; } ||
3125{ check_header dev/video/meteor/ioctl_meteor.h &&
3126 check_header dev/video/bktr/ioctl_bt848.h; } ||
3127check_header dev/ic/bt8xx.h
f8aa696f 3128
15d59d2c 3129check_header sndio.h
c7682de0
RP
3130check_header sys/soundcard.h
3131check_header soundcard.h
deb29777 3132
b6f3d925 3133enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 3134
8772997d
SM
3135enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3136 check_func jack_port_get_latency_range -ljack
80ff8a16 3137
15d59d2c
B
3138enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3139
e417d80d
AK
3140enabled libcdio &&
3141 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3142
4a584eda
JA
3143enabled x11grab &&
3144require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3145require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3146require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
f58f4ce1 3147
ac3dbb4d
SZ
3148# check for VDA header
3149if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
be1e8725 3150 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
ac3dbb4d
SZ
3151fi
3152
598ef02b 3153if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
3154check_cpp_condition \
3155 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
3156 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3157 disable vdpau; }
abf649c7 3158fi
deda2a4a 3159
95e561ec 3160enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
3161
3162# add some useful compiler flags if supported
3163check_cflags -Wdeclaration-after-statement
dcd479c0 3164check_cflags -Wall
440e3b2f 3165check_cflags -Wno-parentheses
dcd479c0 3166check_cflags -Wno-switch
b36518dc 3167check_cflags -Wno-format-zero-length
c07bd6a9
MN
3168check_cflags -Wdisabled-optimization
3169check_cflags -Wpointer-arith
3170check_cflags -Wredundant-decls
cc1fb623 3171check_cflags -Wno-pointer-sign
f4929996 3172check_cflags -Wcast-qual
9aceb3cf 3173check_cflags -Wwrite-strings
652a5bf6 3174check_cflags -Wtype-limits
764551c6 3175check_cflags -Wundef
fc298fd9 3176check_cflags -Wmissing-prototypes
c2ed91de 3177check_cflags -Wstrict-prototypes
5af4e0cc 3178enabled extra_warnings && check_cflags -Winline
cf9d24ad 3179
57bd82d4 3180# add some linker flags
5c0e9479 3181check_ldflags -Wl,--warn-common
3510a133 3182check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
fef2d661 3183test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
94a3401e 3184
47876d66 3185enabled xmm_clobber_test &&
7e4d9d5d
RB
3186 check_ldflags -Wl,--wrap,avcodec_open2 \
3187 -Wl,--wrap,avcodec_decode_audio4 \
3188 -Wl,--wrap,avcodec_decode_video2 \
3189 -Wl,--wrap,avcodec_decode_subtitle2 \
3190 -Wl,--wrap,avcodec_encode_audio2 \
3191 -Wl,--wrap,avcodec_encode_video \
3192 -Wl,--wrap,avcodec_encode_subtitle \
47876d66 3193 -Wl,--wrap,sws_scale ||
7e4d9d5d
RB
3194 disable xmm_clobber_test
3195
a482e61b 3196echo "X{};" > $TMPV
b462d132 3197if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 3198 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
3199 check_cc <<EOF && enable symver_asm_label
3200void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 3201void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
3202EOF
3203 check_cc <<EOF && enable symver_gnu_asm
3204__asm__(".symver ff_foo,av_foo@VERSION");
3205void ff_foo(void) {}
3206EOF
3207fi
a482e61b 3208
9cd7b854
MR
3209if [ -n "$optflags" ]; then
3210 add_cflags $optflags
3211elif enabled small; then
01d31e16 3212 add_cflags $cflags_size
8400d6b8 3213elif enabled optimizations; then
01d31e16 3214 add_cflags $cflags_speed
b05394a0 3215else
01d31e16 3216 add_cflags $cflags_noopt
cddf3f45 3217fi
11fdbc44 3218check_cflags -fno-math-errno
b2eb2ff0 3219check_cflags -fno-signed-zeros
cddf3f45 3220
629687f6 3221if enabled icc; then
b1598b58
MR
3222 # Just warnings, no remarks
3223 check_cflags -w1
3224 # -wd: Disable following warnings
3225 # 144, 167, 556: -Wno-pointer-sign
91bcad19 3226 # 1292: attribute "foo" ignored
88de5b0a 3227 # 1419: external declaration in primary source file
b1598b58 3228 # 10006: ignoring unknown option -fno-signed-zeros
f1c7c6ae 3229 # 10148: ignoring unknown option -Wno-parentheses
b1598b58 3230 # 10156: ignoring option '-W'; no argument required
88de5b0a 3231 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
b1598b58
MR
3232 # 11030: Warning unknown option --as-needed
3233 # 10156: ignoring option '-export'; no argument required
3234 check_ldflags -wd10156,11030
3235 # Allow to compile with optimizations
3236 check_ldflags -march=$cpu
be2cf98a
CEH
3237 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3238 enable ebp_available
bdefad73 3239 if enabled x86_32; then
07e3f9af 3240 icc_version=$($cc -dumpversion)
47876d66
DB
3241 test ${icc_version%%.*} -ge 11 &&
3242 check_cflags -falign-stack=maintain-16-byte ||
bdefad73
MR
3243 disable aligned_stack
3244 fi
df442a8d
MR
3245elif enabled ccc; then
3246 # disable some annoying warnings
3247 add_cflags -msg_disable cvtu32to64