tscc2: do not add/subtract 128 bias during DCT
[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
5a0f7131
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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]
06454877
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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
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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
06454877
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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]
becc3c62
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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
06454877
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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
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245 --disable-armv5te disable armv5te optimizations
246 --disable-armv6 disable armv6 optimizations
247 --disable-armv6t2 disable armv6t2 optimizations
248 --disable-armvfp disable ARM VFP optimizations
06454877 249 --disable-mmi disable MMI optimizations
5ea20630 250 --disable-neon disable NEON optimizations
06454877
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251 --disable-vis disable VIS optimizations
252 --disable-yasm disable use of yasm assembler
06454877 253
070c5d0f 254Developer options (useful when working on Libav itself):
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255 --disable-debug disable debugging symbols
256 --enable-debug=LEVEL set the debug level [$debuglevel]
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257 --disable-optimizations disable compiler optimizations
258 --enable-extra-warnings enable more compiler warnings
52b3cc60 259 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 260 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
RB
261 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
262 should be used only for debugging purposes)
06454877
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263
264NOTE: Object files are built at the place where configure is launched.
265EOF
60e8bc13 266 exit 0
74c53c2d 267}
cf9d24ad 268
0884fadf
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269quotes='""'
270
57bd82d4 271log(){
2270b4b2 272 echo "$@" >> $logfile
57bd82d4
MR
273}
274
720c69da 275log_file(){
c8e9f801 276 log BEGIN $1
2270b4b2 277 pr -n -t $1 >> $logfile
c8e9f801
MR
278 log END $1
279}
280
2ba042a7 281echolog(){
c8e9f801 282 log "$@"
57bd82d4 283 echo "$@"
2ba042a7
MR
284}
285
7bfc8ae6
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286warn(){
287 log "WARNING: $*"
288 WARNINGS="${WARNINGS}WARNING: $*\n"
289}
290
2ba042a7
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291die(){
292 echolog "$@"
293 cat <<EOF
d326cf7f 294
2ba042a7 295If you think configure made a mistake, make sure you are using the latest
4a6a21f5 296version from Git. If the latest version fails, report the problem to the
070c5d0f 297libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 298EOF
e155a21a 299 if disabled logging; then
2ba042a7 300 cat <<EOF
e155a21a
DB
301Rerun configure with logging enabled (do not use --disable-logging), and
302include the log this produces with your report.
2ba042a7
MR
303EOF
304 else
305cat <<EOF
e155a21a
DB
306Include the log file "$logfile" produced by configure as this will help
307solving the problem.
2ba042a7
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308EOF
309 fi
57bd82d4
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310 exit 1
311}
312
6c6007d6 313# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 314toupper(){
6c6007d6 315 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
316}
317
4a5444db 318tolower(){
6c6007d6 319 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
320}
321
14a8acf1
MR
322c_escape(){
323 echo "$*" | sed 's/["\\]/\\\0/g'
324}
325
b04251c5
MR
326sh_quote(){
327 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 328 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
MR
329 echo "$v"
330}
331
bb7a22b5
MR
332cleanws(){
333 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
334}
335
be8f2501
MR
336filter(){
337 pat=$1
338 shift
339 for v; do
98ef6079 340 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
341 done
342}
343
9d201b26
MR
344filter_out(){
345 pat=$1
346 shift
347 for v; do
348 eval "case $v in $pat) ;; *) echo $v ;; esac"
349 done
350}
351
36e2dea0
MR
352map(){
353 m=$1
354 shift
e0e335a0 355 for v; do eval $m; done
36e2dea0
MR
356}
357
a8d04fba
MR
358set_all(){
359 value=$1
360 shift
361 for var in $*; do
362 eval $var=$value
363 done
364}
365
72a43668
MR
366set_weak(){
367 value=$1
368 shift
369 for var; do
370 eval : \${$var:=$value}
371 done
372}
373
3f8040db
MR
374set_safe(){
375 var=$1
376 shift
377 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
378}
379
380get_safe(){
381 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
382}
383
799c9e9b
MR
384pushvar(){
385 for var in $*; do
386 eval level=\${${var}_level:=0}
387 eval ${var}_${level}="\$$var"
388 eval ${var}_level=$(($level+1))
389 done
390}
391
392popvar(){
393 for var in $*; do
394 eval level=\${${var}_level:-0}
395 test $level = 0 && continue
396 eval level=$(($level-1))
397 eval $var="\${${var}_${level}}"
398 eval ${var}_level=$level
399 eval unset ${var}_${level}
400 done
401}
402
a8d04fba
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403enable(){
404 set_all yes $*
405}
406
407disable(){
408 set_all no $*
409}
410
72a43668
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411enable_weak(){
412 set_weak yes $*
413}
414
415disable_weak(){
416 set_weak no $*
417}
418
72702705 419enable_safe(){
fd07f803
MR
420 for var; do
421 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
422 done
72702705
MR
423}
424
425disable_safe(){
fd07f803
MR
426 for var; do
427 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
428 done
72702705
MR
429}
430
f9d328da
MR
431do_enable_deep(){
432 for var; do
433 enabled $var && continue
434 eval sel="\$${var}_select"
c510c7b5
MR
435 eval sgs="\$${var}_suggest"
436 pushvar var sgs
f9d328da 437 enable_deep $sel
c510c7b5
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438 popvar sgs
439 enable_deep_weak $sgs
f9d328da
MR
440 popvar var
441 done
442}
443
444enable_deep(){
445 do_enable_deep $*
446 enable $*
447}
448
72a43668
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449enable_deep_weak(){
450 do_enable_deep $*
451 enable_weak $*
452}
453
57bd82d4 454enabled(){
3250003c
MR
455 test "${1#!}" = "$1" && op== || op=!=
456 eval test "x\$${1#!}" $op "xyes"
44161118
MR
457}
458
37970ebf 459disabled(){
3250003c
MR
460 test "${1#!}" = "$1" && op== || op=!=
461 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
462}
463
44161118
MR
464enabled_all(){
465 for opt; do
466 enabled $opt || return 1
467 done
468}
469
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DB
470disabled_all(){
471 for opt; do
472 disabled $opt || return 1
473 done
474}
475
44161118
MR
476enabled_any(){
477 for opt; do
478 enabled $opt && return 0
479 done
480}
481
85bca2c5
DB
482disabled_any(){
483 for opt; do
484 disabled $opt && return 0
485 done
f7b230a7 486 return 1
85bca2c5
DB
487}
488
c9d19248
MR
489set_default(){
490 for opt; do
88268e94 491 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
492 done
493}
494
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495is_in(){
496 value=$1
497 shift
498 for var in $*; do
499 [ $var = $value ] && return 0
500 done
501 return 1
502}
503
30fd06be
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504check_deps(){
505 for cfg; do
3250003c 506 cfg="${cfg#!}"
799c9e9b
MR
507 enabled ${cfg}_checking && die "Circular dependency for $cfg."
508 disabled ${cfg}_checking && continue
509 enable ${cfg}_checking
510
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511 eval dep_all="\$${cfg}_deps"
512 eval dep_any="\$${cfg}_deps_any"
7ef3425f 513 eval dep_sel="\$${cfg}_select"
c510c7b5 514 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
515 eval dep_ifa="\$${cfg}_if"
516 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 517
3d7453e0
MR
518 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
519 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
520 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 521
3d7453e0
MR
522 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
523 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
524 enabled_all $dep_all || disable $cfg
525 enabled_any $dep_any || disable $cfg
7ef3425f 526 disabled_any $dep_sel && disable $cfg
799c9e9b 527
4ec45764
RP
528 if enabled $cfg; then
529 eval dep_extralibs="\$${cfg}_extralibs"
530 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 531 enable_deep $dep_sel
c510c7b5 532 enable_deep_weak $dep_sgs
4ec45764
RP
533 fi
534
799c9e9b 535 disable ${cfg}_checking
30fd06be
MR
536 done
537}
538
72cfcf41
MR
539print_config_h(){
540 enabled $1 && v=1 || v=0
541 echo "#define $2 $v"
542}
543
544print_config_mak(){
545 enabled $1 && v= || v=!
546 echo "$v$2=yes"
547}
548
55127e7b 549print_config_asm(){
3b15a6d7
RB
550 enabled $1 && v=1 || v=0
551 echo "%define $2 $v"
55127e7b
MR
552}
553
44161118
MR
554print_config(){
555 pfx=$1
72cfcf41
MR
556 files=$2
557 shift 2
44161118 558 for cfg; do
5e622c40 559 ucname="$(toupper $cfg)"
72cfcf41
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560 for f in $files; do
561 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
562 done
44161118 563 done
57bd82d4
MR
564}
565
31c0121d
MR
566print_enabled(){
567 test "$1" = -n && end=" " && shift || end="\n"
568 suf=$1
569 shift
570 for v; do
571 enabled $v && printf "%s$end" ${v%$suf};
572 done
573}
574
57bd82d4
MR
575append(){
576 var=$1
577 shift
57bd82d4
MR
578 eval "$var=\"\$$var $*\""
579}
580
60361817
MR
581prepend(){
582 var=$1
583 shift
584 eval "$var=\"$* \$$var\""
585}
586
50a334e4 587add_cppflags(){
caf458dd 588 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
589}
590
57bd82d4 591add_cflags(){
caf458dd 592 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
593}
594
2f2e6c7c 595add_asflags(){
caf458dd 596 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
597}
598
57bd82d4
MR
599add_ldflags(){
600 append LDFLAGS "$@"
601}
602
603add_extralibs(){
60361817 604 prepend extralibs "$@"
57bd82d4
MR
605}
606
b0cfb663 607check_cmd(){
b3cb5d51 608 log "$@"
2270b4b2 609 "$@" >> $logfile 2>&1
b0cfb663
MR
610}
611
dcd479c0 612check_cc(){
57bd82d4 613 log check_cc "$@"
2270b4b2 614 cat > $TMPC
720c69da 615 log_file $TMPC
50a334e4 616 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
617}
618
619check_cpp(){
620 log check_cpp "$@"
2270b4b2 621 cat > $TMPC
720c69da 622 log_file $TMPC
9e7f3277 623 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
624}
625
f65883c8
MR
626check_as(){
627 log check_as "$@"
628 cat > $TMPC
629 log_file $TMPC
2f2e6c7c 630 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
631}
632
940f335a
MR
633check_asm(){
634 log check_asm "$@"
635 name="$1"
3784e82e 636 code="$2"
940f335a 637 shift 2
49214f61
MR
638 disable $name
639 check_as "$@" <<EOF && enable $name
3784e82e 640void foo(void){ __asm__ volatile($code); }
940f335a
MR
641EOF
642}
643
304d586d
LM
644check_yasm(){
645 log check_yasm "$@"
646 echo "$1" > $TMPS
647 log_file $TMPS
648 shift 1
649 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
650}
651
dcd479c0 652check_ld(){
57bd82d4 653 log check_ld "$@"
3155a644
MR
654 flags=''
655 libs=''
656 for f; do
657 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
658 done
2a194acd 659 check_cc $($filter_cflags $flags) || return
7e75f9fe 660 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
dcd479c0
MR
661}
662
5adc829e
MR
663check_code(){
664 log check_code "$@"
665 check=$1
666 headers=$2
667 code=$3
668 shift 3
669 {
670 for hdr in $headers; do
671 echo "#include <$hdr>"
672 done
673 echo "int main(void) { $code; return 0; }"
674 } | check_$check "$@"
675}
676
50a334e4
MR
677check_cppflags(){
678 log check_cppflags "$@"
caf458dd
MR
679 set -- $($filter_cppflags "$@")
680 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
681int x;
682EOF
683}
684
dcd479c0 685check_cflags(){
57bd82d4 686 log check_cflags "$@"
caf458dd
MR
687 set -- $($filter_cflags "$@")
688 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
689int x;
690EOF
691}
692
2ed46eea
MR
693test_ldflags(){
694 log test_ldflags "$@"
695 check_ld "$@" <<EOF
c23a0ac8 696int main(void){ return 0; }
dcd479c0
MR
697EOF
698}
699
2ed46eea
MR
700check_ldflags(){
701 log check_ldflags "$@"
702 test_ldflags "$@" && add_ldflags "$@"
703}
704
dcd479c0 705check_header(){
57bd82d4 706 log check_header "$@"
dcd479c0
MR
707 header=$1
708 shift
b77df637
MR
709 disable_safe $header
710 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
711#include <$header>
712int x;
713EOF
714}
715
716check_func(){
57bd82d4 717 log check_func "$@"
dcd479c0
MR
718 func=$1
719 shift
d8bc5f06
MR
720 disable $func
721 check_ld "$@" <<EOF && enable $func
dcd479c0 722extern int $func();
c23a0ac8 723int main(void){ $func(); }
dcd479c0
MR
724EOF
725}
726
645d2652 727check_mathfunc(){
6b73c0ae 728 log check_mathfunc "$@"
645d2652
MR
729 func=$1
730 shift
731 disable $func
732 check_ld "$@" <<EOF && enable $func
733#include <math.h>
33bd38db
MR
734float foo(float f) { return $func(f); }
735int main(void){ return 0; }
645d2652
MR
736EOF
737}
738
2446d3d6
DB
739check_func_headers(){
740 log check_func_headers "$@"
f8d7b072 741 headers=$1
edaf1ae2 742 funcs=$2
f8d7b072 743 shift 2
edaf1ae2
MR
744 {
745 for hdr in $headers; do
746 echo "#include <$hdr>"
747 done
748 for func in $funcs; do
749 echo "long check_$func(void) { return (long) $func; }"
750 done
751 echo "int main(void) { return 0; }"
752 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
753}
754
a5344cf7
SS
755check_cpp_condition(){
756 log check_cpp_condition "$@"
757 header=$1
758 condition=$2
f855b7b9
MR
759 shift 2
760 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
761#include <$header>
762#if !($condition)
763#error "unsatisfied condition: $condition"
764#endif
765EOF
766}
767
57bd82d4
MR
768check_lib(){
769 log check_lib "$@"
770 header="$1"
771 func="$2"
772 shift 2
84400e9d 773 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
774}
775
f8d7b072
MR
776check_lib2(){
777 log check_lib2 "$@"
778 headers="$1"
edaf1ae2 779 funcs="$2"
f8d7b072 780 shift 2
edaf1ae2 781 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
782}
783
3f8040db
MR
784check_pkg_config(){
785 log check_pkg_config "$@"
786 pkg="$1"
787 headers="$2"
788 funcs="$3"
789 shift 3
790 $pkg_config --exists $pkg || return
791 pkg_cflags=$($pkg_config --cflags $pkg)
792 pkg_libs=$($pkg_config --libs $pkg)
793 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
794 set_safe ${pkg}_cflags $pkg_cflags &&
795 set_safe ${pkg}_libs $pkg_libs
796}
797
dcd479c0 798check_exec(){
2270b4b2 799 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
800}
801
7dfef245 802check_exec_crash(){
5e622c40 803 code=$(cat)
7dfef245
MR
804
805 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
806 # are safe but may not be available everywhere. Thus we use
807 # raise(SIGTERM) instead. The check is run in a subshell so we
808 # can redirect the "Terminated" message from the shell. SIGBUS
809 # is not defined by standard C so it is used conditionally.
810
2270b4b2 811 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
812#include <signal.h>
813static void sighandler(int sig){
814 raise(SIGTERM);
815}
e5af4a11 816int main(void){
7dfef245
MR
817 signal(SIGILL, sighandler);
818 signal(SIGFPE, sighandler);
819 signal(SIGSEGV, sighandler);
820#ifdef SIGBUS
821 signal(SIGBUS, sighandler);
822#endif
823 { $code }
824}
825EOF
826}
827
72be9e73
DY
828check_type(){
829 log check_type "$@"
830 headers=$1
831 type=$2
832 shift 2
ae550ce9 833 disable_safe "$type"
5adc829e 834 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
835}
836
14d36751
MR
837check_struct(){
838 log check_type "$@"
839 headers=$1
840 struct=$2
841 member=$3
842 shift 3
843 disable_safe "${struct}_${member}"
5adc829e
MR
844 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
845 enable_safe "${struct}_${member}"
14d36751
MR
846}
847
57bd82d4
MR
848require(){
849 name="$1"
850 header="$2"
851 func="$3"
852 shift 3
853 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
854}
855
f8d7b072
MR
856require2(){
857 name="$1"
858 headers="$2"
859 func="$3"
860 shift 3
861 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
862}
863
3f8040db
MR
864require_pkg_config(){
865 pkg="$1"
866 check_pkg_config "$@" || die "ERROR: $pkg not found"
867 add_cflags $(get_safe ${pkg}_cflags)
868 add_extralibs $(get_safe ${pkg}_libs)
869}
870
f0125de9
MR
871check_host_cc(){
872 log check_host_cc "$@"
873 cat > $TMPC
874 log_file $TMPC
875 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
876}
877
878check_host_cflags(){
879 log check_host_cflags "$@"
880 check_host_cc "$@" <<EOF && append host_cflags "$@"
881int x;
882EOF
883}
884
c505dd31
MR
885apply(){
886 file=$1
887 shift
888 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
889}
890
c34681df 891cp_if_changed(){
5e27ec28
MR
892 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
893 mkdir -p "$(dirname $2)"
894 cp -f "$1" "$2"
c34681df
MR
895}
896
dcd61286
DB
897# CONFIG_LIST contains configurable options, while HAVE_LIST is for
898# system-dependent things.
899
4a0d6686
AJ
900COMPONENT_LIST="
901 bsfs
902 decoders
903 demuxers
904 encoders
3cde40aa 905 filters
5666fd73 906 hwaccels
c552605c 907 indevs
4a0d6686 908 muxers
c552605c 909 outdevs
4a0d6686
AJ
910 parsers
911 protocols
912"
913
055c61b8
DB
914PROGRAM_LIST="
915 avconv
916 avplay
917 avprobe
918 avserver
055c61b8
DB
919"
920
4a0d6686
AJ
921CONFIG_LIST="
922 $COMPONENT_LIST
055c61b8 923 $PROGRAM_LIST
a5444fee 924 ac3dsp
5a0f7131
MR
925 avcodec
926 avdevice
f7679c54 927 avfilter
5a0f7131 928 avformat
c8af852b 929 avresample
c88f5d72 930 avisynth
f402916e 931 bzlib
7f3f5f46 932 dct
c73f65d9 933 doc
05aec7bb 934 dwt
92c6a099 935 dxva2
27a9466b 936 fastdiv
1848f7d9 937 fft
47941088 938 frei0r
bc8c1395 939 gnutls
c88f5d72 940 gpl
d8d0d0b2 941 gray
3abe5fbd 942 hardcoded_tables
e417d80d 943 libcdio
f7b8bffe 944 libdc1394
2eed5a46 945 libfaac
37eeb5e2 946 libfdk_aac
a5b64584 947 libfreetype
c88f5d72 948 libgsm
3641b048 949 libilbc
6ebe07fb 950 libmp3lame
0b175caa
DB
951 libopencore_amrnb
952 libopencore_amrwb
6ebf0bfc 953 libopencv
9a77d59a 954 libopenjpeg
0de9c41f 955 libpulse
0f943ce6 956 librtmp
f7cd9eed 957 libschroedinger
ae14f311 958 libspeex
150d2772 959 libtheora
d89e738a 960 libvo_aacenc
f502ff3f 961 libvo_amrwbenc
c88f5d72 962 libvorbis
8299a7f8 963 libvpx
1cc60c47 964 libx264
de295976 965 libxavs
1cc60c47 966 libxvid
b781cc12 967 lsp
47a158cb 968 mdct
c88f5d72 969 memalign_hack
c4f5c2d6 970 mpegaudiodsp
c88f5d72 971 network
3fe142e2 972 nonfree
a060866f 973 openssl
8a3c8627 974 pic
68602540 975 rdft
44b70ce5 976 rtpdec
e90f5b5a 977 runtime_cpudetect
8cfbbd92 978 safe_bitstream_reader
2e35e684 979 shared
4538729a 980 sinewin
bd2216e4 981 small
6b35d421 982 sram
2e35e684 983 static
5a0f7131 984 swscale
a9ddb5b1 985 swscale_alpha
8986fddc 986 thumb
17492d5e 987 vaapi
ac3dbb4d 988 vda
17492d5e 989 vdpau
9cad0e4e 990 version3
7e4d9d5d 991 xmm_clobber_test
56a059ac 992 x11grab
c88f5d72 993 zlib
4a0d6686 994"
c88f5d72 995
8eee7025 996THREADS_LIST='
8eee7025
DB
997 pthreads
998 w32threads
999'
1000
3f5b56e5
MR
1001ARCH_LIST='
1002 alpha
a2fc0f6a 1003 arm
fdcd782d
MR
1004 avr32
1005 avr32_ap
1006 avr32_uc
3f5b56e5
MR
1007 bfin
1008 ia64
1009 m68k
1010 mips
bae3abb0 1011 mips64
3f5b56e5 1012 parisc
79cb09b2 1013 ppc
34d11b87 1014 ppc64
3f5b56e5
MR
1015 s390
1016 sh4
1017 sparc
1018 sparc64
0844bae1 1019 tomi
3f5b56e5
MR
1020 x86
1021 x86_32
1022 x86_64
1023'
1024
1025ARCH_EXT_LIST='
1ac9331a 1026 altivec
3bf96eec 1027 amd3dnow
a1ef9f08 1028 amd3dnowext
1ac9331a 1029 armv5te
edab3048 1030 armv6
ab5cb084 1031 armv6t2
f55b299a 1032 armvfp
87f1355f 1033 avx
3f5b56e5
MR
1034 mmi
1035 mmx
d7f0920b 1036 mmx2
6b18d278 1037 neon
799fde37 1038 ppc4xx
1bb04d5a 1039 sse
9eeed841 1040 ssse3
93eb8e4d 1041 vfpv3
bd9d34a0 1042 vis
3f5b56e5
MR
1043'
1044
a3e02a8c
MR
1045HAVE_LIST_PUB='
1046 bigendian
d268eee9 1047 fast_unaligned
a3e02a8c
MR
1048'
1049
3f5b56e5
MR
1050HAVE_LIST="
1051 $ARCH_EXT_LIST
a3e02a8c 1052 $HAVE_LIST_PUB
3f5b56e5 1053 $THREADS_LIST
be1a839c 1054 aligned_malloc
59782b82 1055 aligned_stack
35fd8122 1056 alsa_asoundlib_h
3f5b56e5 1057 altivec_h
c9fdab0d 1058 arpa_inet_h
6308729e 1059 asm_mod_y
dffb41b9 1060 attribute_may_alias
e7ea5e3d 1061 attribute_packed
15333562 1062 cbrtf
ecf97f22 1063 closesocket
1ac9331a 1064 cmov
c0ee695b 1065 cpuid
c88f5d72 1066 dcbzl
f8aa696f
DB
1067 dev_bktr_ioctl_bt848_h
1068 dev_bktr_ioctl_meteor_h
1069 dev_ic_bt8xx_h
f8aa696f 1070 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1071 dev_video_meteor_ioctl_meteor_h
18b67ae5 1072 dlfcn_h
c88f5d72 1073 dlopen
bc574408 1074 dos_paths
fa845061 1075 dxva_h
245626d0
DB
1076 ebp_available
1077 ebx_available
6b7c7703
VS
1078 exp2
1079 exp2f
c2a29455 1080 fast_64bit
669b5583 1081 fast_clz
7073e9fc 1082 fast_cmov
534a2231 1083 fcntl
9d99cc5a 1084 fork
84882df6 1085 getaddrinfo
da9e86f8 1086 gethrtime
667fb97a 1087 getopt
02e8f427 1088 GetProcessAffinityMask
fc5607f8 1089 GetProcessMemoryInfo
4e68cb8a 1090 GetProcessTimes
61183b5a 1091 GetSystemTimeAsFileTime
66be5b45 1092 getrusage
61183b5a 1093 gettimeofday
a49d3025 1094 gnu_as
2f0c136e 1095 ibm_asm
2e1913b1 1096 inet_aton
61d251db 1097 inline_asm
3b1ab197 1098 io_h
abfc8d05 1099 isatty
46df708b
MS
1100 isinf
1101 isnan
8772997d 1102 jack_port_get_latency_range
9f5ff83f 1103 ldbrx
0b4a1821
AS
1104 libdc1394_1
1105 libdc1394_2
a33cab3a 1106 llrint
07876e25 1107 llrintf
d96cd429
MR
1108 local_aligned_16
1109 local_aligned_8
a5b64584 1110 localtime_r
291fd18a 1111 log2
6b7c7703 1112 log2f
85dd97ad 1113 loongson
a33cab3a 1114 lrint
c88f5d72 1115 lrintf
f8aa696f
DB
1116 machine_ioctl_bt848_h
1117 machine_ioctl_meteor_h
c88f5d72 1118 malloc_h
73f6d31e 1119 MapViewOfFile
c88f5d72 1120 memalign
6ffa87d3 1121 mkstemp
f80ddd5b 1122 mm_empty
0328b9ea 1123 mmap
d3d3a32c 1124 nanosleep
5699884c 1125 netinet_sctp_h
3e0b1c9a 1126 poll_h
1f91cdce 1127 posix_memalign
07b28702 1128 rdtsc
183b1c22 1129 rint
a33cab3a
MK
1130 round
1131 roundf
358d854d 1132 rweflags
ea4d5f48 1133 sched_getaffinity
c88f5d72
MR
1134 sdl
1135 sdl_video_size
b507ebd1 1136 setmode
3e0b1c9a 1137 setrlimit
d3d3a32c 1138 Sleep
15d59d2c 1139 sndio_h
72be9e73 1140 socklen_t
deb29777 1141 soundcard_h
87958234 1142 strerror_r
6379900c 1143 strptime
47941088 1144 strtok_r
c0018613 1145 struct_addrinfo
75d339e0
MS
1146 struct_group_source_req
1147 struct_ip_mreq_source
b4d68544 1148 struct_ipv6_mreq
cdee08e3 1149 struct_pollfd
3e0b1c9a 1150 struct_rusage_ru_maxrss
b4d68544 1151 struct_sockaddr_in6
3b2372bf 1152 struct_sockaddr_sa_len
33a4dbdd 1153 struct_sockaddr_storage
a6a4793d 1154 struct_v4l2_frmivalenum_discrete
b462d132 1155 symver
b462d132 1156 symver_asm_label
3e0b1c9a 1157 symver_gnu_asm
bcc73960 1158 sysconf
b9e22269 1159 sysctl
b58412f1 1160 sys_mman_h
06bb5905 1161 sys_param_h
b091aa44 1162 sys_resource_h
81644c2e 1163 sys_select_h
deb29777 1164 sys_soundcard_h
e64bceea 1165 sys_time_h
1b6e8b73 1166 sys_videoio_h
b265431e 1167 threads
23d3931a 1168 trunc
7b04b8a0 1169 truncf
542920b7 1170 unistd_h
d3d3a32c 1171 usleep
ce742de2 1172 vfp_args
7c5bfe7a 1173 VirtualAlloc
d3d3a32c 1174 windows_h
6ff3f3e7 1175 winsock2_h
cc078b5d 1176 xform_asm
3f150ffb 1177 xgetbv
6f74fb03 1178 xmm_clobbers
304d586d 1179 yasm
0cb78cef 1180"
44161118 1181
b6bb00b0
MR
1182# options emitted with CONFIG_ prefix but not available on command line
1183CONFIG_EXTRA="
478fd534 1184 aandct
dc4f5a1c 1185 avutil
478fd534 1186 golomb
9cad0e4e 1187 gplv3
478fd534
DB
1188 h264chroma
1189 h264dsp
1190 h264pred
915a2a0a 1191 h264qpel
478fd534 1192 huffman
9cad0e4e 1193 lgplv3
478fd534 1194 lpc
b6bb00b0
MR
1195"
1196
520cc7f1 1197CMDLINE_SELECT="
3f5b56e5 1198 $ARCH_EXT_LIST
520cc7f1 1199 $CONFIG_LIST
8eee7025 1200 $THREADS_LIST
c8a4ae00 1201 asm
db6107b6 1202 cross_compile
520cc7f1
MR
1203 debug
1204 extra_warnings
8c6afa4d 1205 logging
d2bbb2f7 1206 optimizations
9baec618 1207 symver
7595a5e4 1208 yasm
520cc7f1 1209"
426be5dc
DB
1210
1211PATHS_LIST='
d156bede 1212 bindir
14a8acf1 1213 datadir
26759c44
MR
1214 incdir
1215 libdir
26759c44
MR
1216 mandir
1217 prefix
1218 shlibdir
426be5dc
DB
1219'
1220
1221CMDLINE_SET="
1222 $PATHS_LIST
121d78d0 1223 ar
426be5dc 1224 arch
313c46a6 1225 as
426be5dc
DB
1226 build_suffix
1227 cc
1228 cpu
1229 cross_prefix
50567afa 1230 dep_cc
ac63af34 1231 extra_version
9da6609f
MR
1232 host_cc
1233 host_cflags
1234 host_ldflags
1235 host_libs
82bb3329 1236 host_os
684b28e0 1237 ld
426be5dc 1238 logfile
4ae40685 1239 malloc_prefix
89641463 1240 nm
9cd7b854 1241 optflags
3f8040db 1242 pkg_config
2fad0977 1243 samples
c5200f17
MR
1244 sysinclude
1245 sysroot
a7ada2ba 1246 target_exec
26759c44 1247 target_os
a7ada2ba 1248 target_path
426be5dc 1249"
520cc7f1 1250
89f2932b
MR
1251CMDLINE_APPEND="
1252 extra_cflags
1253"
1254
912f3148
DB
1255# code dependency declarations
1256
9eeed841 1257# architecture extensions
808fa33c 1258
a2fc0f6a
MR
1259armv5te_deps="arm"
1260armv6_deps="arm"
ab5cb084 1261armv6t2_deps="arm"
a2fc0f6a 1262armvfp_deps="arm"
808fa33c 1263neon_deps="arm"
93eb8e4d 1264vfpv3_deps="armvfp"
808fa33c 1265
e241ba14 1266mmi_deps="mips"
808fa33c
MR
1267
1268altivec_deps="ppc"
1269ppc4xx_deps="ppc"
1270
1271vis_deps="sparc"
1272
7f8c3d1f 1273x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1274amd3dnow_deps="mmx"
1275amd3dnowext_deps="amd3dnow"
9eeed841 1276mmx_deps="x86"
75aa95a6 1277mmx2_deps="mmx"
75aa95a6
DB
1278sse_deps="mmx"
1279ssse3_deps="sse"
87f1355f 1280avx_deps="ssse3"
9eeed841 1281
59782b82 1282aligned_stack_if_any="ppc x86"
e939cedd 1283fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1284fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1285fast_unaligned_if_any="armv6 ppc x86"
669b5583 1286
6fec122a 1287inline_asm_deps="!tms470"
3e0b1c9a 1288need_memalign="altivec neon sse"
89e053f8 1289
b462d132
MR
1290symver_if_any="symver_asm_label symver_gnu_asm"
1291
26fbcc85 1292# subsystems
dc609252 1293dct_select="rdft"
26fbcc85
MR
1294mdct_select="fft"
1295rdft_select="fft"
c4f5c2d6 1296mpegaudiodsp_select="dct"
26fbcc85 1297
5666fd73 1298# decoders / encoders / hardware accelerators
cfc2a0cf 1299aac_decoder_select="mdct sinewin"
4538729a 1300aac_encoder_select="mdct sinewin"
136e19e1 1301aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1302ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1303ac3_encoder_select="mdct ac3dsp"
3d269059 1304ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1305alac_encoder_select="lpc"
b781cc12 1306amrnb_decoder_select="lsp"
2b2a597e 1307amrwb_decoder_select="lsp"
4538729a 1308atrac1_decoder_select="mdct sinewin"
26fbcc85 1309atrac3_decoder_select="mdct"
a33657ce
DB
1310binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1311binkaudio_rdft_decoder_select="mdct rdft sinewin"
4f034993 1312cavs_decoder_select="golomb"
4538729a 1313cook_decoder_select="mdct sinewin"
2eef7c62 1314cscd_decoder_suggest="zlib"
26fbcc85 1315dca_decoder_select="mdct"
e8ed9b7a 1316dnxhd_encoder_select="aandct"
2eef7c62 1317dxa_decoder_select="zlib"
baf91bb9 1318eac3_decoder_select="ac3_decoder"
aa47c35d 1319eac3_encoder_select="mdct ac3dsp"
84c04e25 1320eamad_decoder_select="aandct"
e8ed9b7a 1321eatgq_decoder_select="aandct"
d52b39c7 1322eatqi_decoder_select="aandct"
4f034993
MR
1323ffv1_decoder_select="golomb"
1324flac_decoder_select="golomb"
f4d608e3 1325flac_encoder_select="golomb lpc"
2eef7c62
AJ
1326flashsv_decoder_select="zlib"
1327flashsv_encoder_select="zlib"
c2d23309 1328flashsv2_decoder_select="zlib"
4414137e 1329flv_decoder_select="h263_decoder"
4d4b4bd1 1330flv_encoder_select="h263_encoder"
3447f12d 1331fraps_decoder_select="huffman"
e8ed9b7a 1332h261_encoder_select="aandct"
7f647ae0 1333h263_decoder_select="h263_parser"
e8ed9b7a 1334h263_encoder_select="aandct"
95a61cfc 1335h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1336h263i_decoder_select="h263_decoder"
fe629c2d 1337h263p_encoder_select="h263_encoder"
915a2a0a 1338h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
92c6a099
LA
1339h264_dxva2_hwaccel_deps="dxva2api_h"
1340h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1341h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1342h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1343h264_vdpau_decoder_select="vdpau h264_decoder"
19be0f3c 1344iac_decoder_select="fft mdct sinewin"
56c8227d 1345imc_decoder_select="fft mdct sinewin"
4f034993
MR
1346jpegls_decoder_select="golomb"
1347jpegls_encoder_select="golomb"
e8ed9b7a 1348ljpeg_encoder_select="aandct"
4f034993 1349loco_decoder_select="golomb"
e8ed9b7a 1350mjpeg_encoder_select="aandct"
2cca233b 1351mlp_decoder_select="mlp_parser"
c4f5c2d6 1352mp1_decoder_select="mpegaudiodsp"
c4f5c2d6 1353mp1float_decoder_select="mpegaudiodsp"
3e0b1c9a 1354mp2_decoder_select="mpegaudiodsp"
c4f5c2d6 1355mp2float_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1356mp3_decoder_select="mpegaudiodsp"
1357mp3adu_decoder_select="mpegaudiodsp"
c4f5c2d6
MR
1358mp3adufloat_decoder_select="mpegaudiodsp"
1359mp3float_decoder_select="mpegaudiodsp"
3e0b1c9a 1360mp3on4_decoder_select="mpegaudiodsp"
c4f5c2d6 1361mp3on4float_decoder_select="mpegaudiodsp"
606c9297
DB
1362mpc7_decoder_select="mpegaudiodsp"
1363mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1364mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1365mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1366mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1367mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
3e0b1c9a 1368mpeg1video_encoder_select="aandct"
164aab02
LA
1369mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1370mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1371mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
3e0b1c9a
DB
1372mpeg2video_encoder_select="aandct"
1373mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1374mpeg4_encoder_select="h263_encoder"
95a61cfc 1375mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1376mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1377msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1378msmpeg4v1_encoder_select="h263_encoder"
4414137e 1379msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1380msmpeg4v2_encoder_select="h263_encoder"
4414137e 1381msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1382msmpeg4v3_encoder_select="h263_encoder"
4538729a
MR
1383nellymoser_decoder_select="mdct sinewin"
1384nellymoser_encoder_select="mdct sinewin"
2eef7c62
AJ
1385png_decoder_select="zlib"
1386png_encoder_select="zlib"
b781cc12 1387qcelp_decoder_select="lsp"
c4f5c2d6 1388qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1389ra_144_encoder_select="lpc"
9f43fdda 1390ralf_decoder_select="golomb"
a8beb22f 1391rv10_decoder_select="h263_decoder"
b2bf38b4 1392rv10_encoder_select="h263_encoder"
a8beb22f 1393rv20_decoder_select="h263_decoder"
b2bf38b4 1394rv20_encoder_select="h263_encoder"
915a2a0a
DB
1395rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1396rv40_decoder_select="golomb h264chroma h264pred h264qpel"
4f034993 1397shorten_decoder_select="golomb"
b781cc12 1398sipr_decoder_select="lsp"
05aec7bb
MR
1399snow_decoder_select="dwt"
1400snow_encoder_select="aandct dwt"
19ecfb8a 1401svq1_encoder_select="aandct"
915a2a0a 1402svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
bee2eac5 1403svq3_decoder_suggest="zlib"
4eef77c1 1404theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1405tiff_decoder_suggest="zlib"
1406tiff_encoder_suggest="zlib"
aec09a00 1407truehd_decoder_select="mlp_decoder"
2eef7c62 1408tscc_decoder_select="zlib"
4538729a 1409twinvq_decoder_select="mdct lsp sinewin"
915a2a0a 1410vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1411vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1412vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1413vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1414vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1415vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1416vorbis_decoder_select="mdct"
1417vorbis_encoder_select="mdct"
3447f12d 1418vp6_decoder_select="huffman"
e82dc4c9
DB
1419vp6a_decoder_select="vp6_decoder"
1420vp6f_decoder_select="vp6_decoder"
915a2a0a 1421vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1422wmapro_decoder_select="mdct sinewin"
1423wmav1_decoder_select="mdct sinewin"
1424wmav1_encoder_select="mdct sinewin"
1425wmav2_decoder_select="mdct sinewin"
1426wmav2_encoder_select="mdct sinewin"
1427wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1428wmv1_decoder_select="h263_decoder"
665507aa 1429wmv1_encoder_select="h263_encoder"
f95bfab0 1430wmv2_decoder_select="h263_decoder"
1746e2a9 1431wmv2_encoder_select="h263_encoder"
015f8ee0 1432wmv3_decoder_select="vc1_decoder"
f0f86627 1433wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1434wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1435wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1436wmv3image_decoder_select="wmv3_decoder"
0e714f88 1437zerocodec_decoder_select="zlib"
2eef7c62
AJ
1438zlib_decoder_select="zlib"
1439zlib_encoder_select="zlib"
1440zmbv_decoder_select="zlib"
1441zmbv_encoder_select="zlib"
30fd06be 1442
0afab17e 1443vaapi_deps="va_va_h"
ac3dbb4d 1444vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1445vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1446
28b80940 1447# parsers
6a7c5312 1448h264_parser_select="golomb h264dsp h264pred"
28b80940 1449
912f3148 1450# external libraries
c9171a83 1451libfaac_encoder_deps="libfaac"
37eeb5e2 1452libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1453libgsm_decoder_deps="libgsm"
1454libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1455libgsm_ms_decoder_deps="libgsm"
1456libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1457libilbc_decoder_deps="libilbc"
1458libilbc_encoder_deps="libilbc"
1cc60c47 1459libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1460libopencore_amrnb_decoder_deps="libopencore_amrnb"
1461libopencore_amrnb_encoder_deps="libopencore_amrnb"
1462libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1463libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1464libopenjpeg_encoder_deps="libopenjpeg"
f7cd9eed
AS
1465libschroedinger_decoder_deps="libschroedinger"
1466libschroedinger_encoder_deps="libschroedinger"
ae14f311 1467libspeex_decoder_deps="libspeex"
b606a017 1468libspeex_encoder_deps="libspeex"
150d2772 1469libtheora_encoder_deps="libtheora"
d89e738a 1470libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1471libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1472libvorbis_encoder_deps="libvorbis"
8299a7f8 1473libvpx_decoder_deps="libvpx"
ee0e9146 1474libvpx_encoder_deps="libvpx"
1cc60c47 1475libx264_encoder_deps="libx264"
de295976 1476libxavs_encoder_deps="libxavs"
1cc60c47 1477libxvid_encoder_deps="libxvid"
30fd06be 1478
912f3148 1479# demuxers / muxers
c2dd0e9e 1480ac3_demuxer_select="ac3_parser"
647c2356 1481asf_stream_muxer_select="asf_muxer"
4e622dea 1482avisynth_demuxer_deps="avisynth"
c2dd0e9e 1483dirac_demuxer_select="dirac_parser"
5b423887 1484eac3_demuxer_select="ac3_parser"
c2dd0e9e 1485flac_demuxer_select="flac_parser"
647c2356 1486ipod_muxer_select="mov_muxer"
647c2356 1487matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1488matroska_demuxer_suggest="zlib bzlib"
1489mov_demuxer_suggest="zlib"
c2dd0e9e 1490mp3_demuxer_select="mpegaudio_parser"
647c2356 1491mp4_muxer_select="mov_muxer"
2439bd86 1492mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1493mpegtsraw_demuxer_select="mpegts_demuxer"
1494mxf_d10_muxer_select="mxf_muxer"
24ca518b 1495ogg_demuxer_select="golomb"
647c2356 1496psp_muxer_select="mov_muxer"
44594cc7 1497rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1498rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1499rtsp_demuxer_select="http_protocol rtpdec"
1500rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1501sap_demuxer_select="sdp_demuxer"
2aab70c4 1502sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1503sdp_demuxer_select="rtpdec"
f1e94694 1504spdif_muxer_select="aac_parser"
647c2356
DB
1505tg2_muxer_select="mov_muxer"
1506tgp_muxer_select="mov_muxer"
6bdaa5f4 1507w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1508
1509# indevs / outdevs
38e54a75 1510alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1511alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1512bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1513dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1514fbdev_indev_deps="linux_fb_h"
38e54a75 1515jack_indev_deps="jack_jack_h"
e417d80d 1516libcdio_indev_deps="libcdio"
38e54a75 1517libdc1394_indev_deps="libdc1394"
38e54a75
SS
1518oss_indev_deps_any="soundcard_h sys_soundcard_h"
1519oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1520pulse_indev_deps="libpulse"
15d59d2c
B
1521sndio_indev_deps="sndio_h"
1522sndio_outdev_deps="sndio_h"
38e54a75 1523v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1524vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1525vfwcap_indev_extralibs="-lavicap32"
38e54a75 1526x11_grab_device_indev_deps="x11grab XShmCreateImage"
30fd06be 1527
912f3148 1528# protocols
775c4d36
SP
1529ffrtmphttp_protocol_deps="!librtmp_protocol"
1530ffrtmphttp_protocol_select="http_protocol"
3fff6382 1531gopher_protocol_deps="network"
c40e1757
JS
1532httpproxy_protocol_deps="network"
1533httpproxy_protocol_select="tcp_protocol"
c08fb000 1534http_protocol_deps="network"
279a0c97 1535http_protocol_select="tcp_protocol"
183baead 1536https_protocol_select="tls_protocol"
c3b57d6e
DB
1537librtmp_protocol_deps="librtmp"
1538librtmpe_protocol_deps="librtmp"
1539librtmps_protocol_deps="librtmp"
1540librtmpt_protocol_deps="librtmp"
1541librtmpte_protocol_deps="librtmp"
c60a2d70 1542mmsh_protocol_select="http_protocol"
b4cf3f6c 1543mmst_protocol_deps="network"
c3b57d6e 1544rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1545rtmp_protocol_select="tcp_protocol"
6aedabc9
SP
1546rtmps_protocol_deps="!librtmp_protocol"
1547rtmps_protocol_select="tls_protocol"
8e50c57d 1548rtmpt_protocol_deps="!librtmp_protocol"
775c4d36 1549rtmpt_protocol_select="ffrtmphttp_protocol"
86991ce2
SP
1550rtmpts_protocol_deps="!librtmp_protocol"
1551rtmpts_protocol_select="ffrtmphttp_protocol"
deeb7012 1552rtp_protocol_select="udp_protocol"
5699884c 1553sctp_protocol_deps="network netinet_sctp_h"
c08fb000 1554tcp_protocol_deps="network"
558d192d
MS
1555tls_protocol_deps_any="openssl gnutls"
1556tls_protocol_select="tcp_protocol"
c08fb000
AB
1557udp_protocol_deps="network"
1558
6ebf0bfc 1559# filters
13fabd7a 1560blackframe_filter_deps="gpl"
ce6b6ef6 1561boxblur_filter_deps="gpl"
68b79bfc 1562cropdetect_filter_deps="gpl"
b157be1f 1563delogo_filter_deps="gpl"
a5b64584 1564drawtext_filter_deps="libfreetype"
2e5ff4d0 1565frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1566frei0r_filter_extralibs='$ldl'
a42bb9d6 1567frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1568frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1569hqdn3d_filter_deps="gpl"
d371e7b9 1570resample_filter_deps="avresample"
cf69ad35 1571ocv_filter_deps="libopencv"
2f296e39 1572scale_filter_deps="swscale"
acbac567 1573yadif_filter_deps="gpl"
6ebf0bfc 1574
5a0f7131
MR
1575# libraries
1576avdevice_deps="avcodec avformat"
1577avformat_deps="avcodec"
f7679c54 1578
912f3148 1579# programs
ce03b088
AK
1580avconv_deps="avcodec avfilter avformat avresample swscale
1581 aformat_filter asyncts_filter
1582 format_filter fps_filter scale_filter setpts_filter"
266463da
AK
1583avplay_deps="avcodec avformat swscale sdl"
1584avplay_select="rdft"
9e12f0bf 1585avprobe_deps="avcodec avformat"
b263bf66 1586avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1587avserver_extralibs='$ldl'
a2830dca 1588
c73f65d9 1589doc_deps="texi2html"
912f3148 1590
57442411
MR
1591# tests
1592
1593test_deps(){
1594 suf1=$1
1595 suf2=$2
1596 shift 2
1597 for v; do
1598 dep=${v%=*}
1599 tests=${v#*=}
1600 for name in ${tests}; do
908f12f3 1601 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
57442411
MR
1602 done
1603 done
1604}
1605
908f12f3
MR
1606seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1607
57442411
MR
1608test_deps _muxer _demuxer \
1609 aiff \
1610 pcm_alaw=alaw \
1611 asf \
1612 au \
1613 avi \
1614 dv=dv_fmt \
1615 ffm \
1616 flv=flv_fmt \
1617 gxf \
1618 matroska=mkv \
1619 mmf \
1620 mov \
1621 pcm_mulaw=mulaw \
0218808d 1622 mxf="mxf mxf_d10" \
57442411
MR
1623 nut \
1624 ogg \
1625 rawvideo=pixfmt \
1626 rm \
1627 swf \
1628 mpegts=ts \
1629 voc \
1630 wav \
1631 yuv4mpegpipe=yuv4mpeg \
1632
1633mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
9c261f83 1634
de6d9b64 1635# default parameters
8a608357 1636
19bd477d 1637logfile="config.log"
8a608357
MR
1638
1639# installation paths
c9d19248
MR
1640prefix_default="/usr/local"
1641bindir_default='${prefix}/bin'
6291d7e4 1642datadir_default='${prefix}/share/avconv'
c9d19248
MR
1643incdir_default='${prefix}/include'
1644libdir_default='${prefix}/lib'
1645mandir_default='${prefix}/share/man'
1646shlibdir_default="$libdir_default"
8a608357
MR
1647
1648# toolchain
121d78d0 1649ar_default="ar"
13c7df3d 1650cc_default="gcc"
a3d7c197 1651cc_version=\"unknown\"
9da6609f 1652host_cc_default="gcc"
11e6d03a 1653ln_s="ln -sf"
89641463 1654nm_default="nm"
11e6d03a 1655objformat="elf"
3f8040db 1656pkg_config_default=pkg-config
be7109c1 1657ranlib="ranlib"
11e6d03a 1658yasmexe="yasm"
8a608357 1659
8182dc34 1660nm_opts='-g'
3e0b1c9a 1661nogas=":"
8182dc34 1662
8a608357 1663# machine
8d4c00ed 1664arch_default=$(uname -m)
38d0a8aa 1665cpu="generic"
8a608357 1666
8a608357 1667# OS
8d4c00ed
MR
1668target_os_default=$(tolower $(uname -s))
1669host_os=$target_os_default
8a608357 1670
8a608357 1671# configurable options
055c61b8
DB
1672enable $PROGRAM_LIST
1673
5a0f7131
MR
1674enable avcodec
1675enable avdevice
cccc039f 1676enable avfilter
5a0f7131 1677enable avformat
c8af852b 1678enable avresample
dc4f5a1c 1679enable avutil
3e0b1c9a
DB
1680enable swscale
1681
3e0b1c9a
DB
1682enable asm
1683enable debug
1684enable doc
1685enable fastdiv
497237c7 1686enable network
8400d6b8 1687enable optimizations
8cfbbd92 1688enable safe_bitstream_reader
530dc538 1689enable static
a9ddb5b1 1690enable swscale_alpha
8a608357 1691
8a608357 1692# build settings
9987769a 1693SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1694AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1695LIBPREF="lib"
1696LIBSUF=".a"
c5f14466
RP
1697FULLNAME='$(NAME)$(BUILDSUF)'
1698LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1699SLIBPREF="lib"
1700SLIBSUF=".so"
c5f14466 1701SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1702SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1703SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1704LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1705SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1706SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1707
bc877faf 1708AS_O='-o $@'
7e6c86e6
MR
1709CC_O='-o $@'
1710
1d01fee9 1711host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f
MR
1712host_libs='-lm'
1713
9b861379 1714target_path='$(CURDIR)'
a7ada2ba 1715
a158446b
MR
1716# since the object filename is not given with the -MM flag, the compiler
1717# is only able to print the basename, and we must add the path ourselves
c1c3933a 1718DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1719DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1720
c597172e 1721# find source path
24524f36 1722if test -f configure; then
f038cf3c 1723 source_path=.
c597172e 1724else
8477f2de 1725 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1726 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1727 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1728 test -e "$source_path/config.h" &&
1729 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1730fi
1731
13cbe2c0 1732for v in "$@"; do
b04251c5
MR
1733 r=${v#*=}
1734 l=${v%"$r"}
1735 r=$(sh_quote "$r")
29ba0911 1736 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1737done
c597172e 1738
73ef8980
MR
1739find_things(){
1740 thing=$1
1741 pattern=$2
1742 file=$source_path/$3
932ccf39 1743 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1744}
1745
1746ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1747DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1748HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1749PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1750BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1751MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1752DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1753OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1754INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1755PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1756FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1757
54e75be4
DB
1758ALL_COMPONENTS="
1759 $BSF_LIST
1760 $DECODER_LIST
1761 $DEMUXER_LIST
1762 $ENCODER_LIST
1763 $FILTER_LIST
1764 $HWACCEL_LIST
1765 $INDEV_LIST
1766 $MUXER_LIST
1767 $OUTDEV_LIST
1768 $PARSER_LIST
1769 $PROTOCOL_LIST
1770"
1771
57442411 1772find_tests(){
b9d5f1b7 1773 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
57442411
MR
1774}
1775
57442411 1776LAVF_TESTS=$(find_tests lavf)
48c28162 1777LAVFI_TESTS=$(find_tests lavfi)
b9d5f1b7 1778SEEK_TESTS=$(find_tests seek seek_)
57442411 1779
7263cd55 1780ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
40fe5019 1781
8469ae22
MR
1782for n in $COMPONENT_LIST; do
1783 v=$(toupper ${n%s})_LIST
1784 eval enable \$$v
1785 eval ${n}_if_any="\$$v"
1786done
1787
54e75be4 1788enable $ARCH_EXT_LIST $ALL_TESTS
c597172e
MR
1789
1790die_unknown(){
1791 echo "Unknown option \"$1\"."
1792 echo "See $0 --help for available options."
1793 exit 1
1794}
1795
794f8e97 1796show_list() {
bf0c4afa
RP
1797 suffix=_$1
1798 shift
2b444ea7 1799 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1800 exit 0
1801}
1802
c597172e 1803for opt do
7483e694
DB
1804 optval="${opt#*=}"
1805 case "$opt" in
0f010b2f 1806 --extra-ldflags=*) add_ldflags $optval
7483e694 1807 ;;
0f010b2f 1808 --extra-libs=*) add_extralibs $optval
7483e694 1809 ;;
8fb1cb58 1810 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1811 ;;
40bcf4c7
BL
1812 --enable-debug=*) debuglevel="$optval"
1813 ;;
36e2dea0 1814 --disable-everything)
1b15dc3c 1815 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1816 ;;
7483e694 1817 --enable-*=*|--disable-*=*)
8b93ddc3 1818 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1819 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1820 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1821 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1822 $action $(filter "$name" $list)
7483e694
DB
1823 ;;
1824 --enable-?*|--disable-?*)
5e622c40 1825 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1826 if is_in $option $COMPONENT_LIST; then
fed5d54b 1827 test $action = disable && action=unset
e3773a55
MR
1828 eval $action \$$(toupper ${option%s})_LIST
1829 elif is_in $option $CMDLINE_SELECT; then
1830 $action $option
1831 else
1832 die_unknown $opt
1833 fi
7483e694
DB
1834 ;;
1835 --list-*)
1836 NAME="${opt#--list-}"
1837 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1838 NAME=${NAME%s}
1839 eval show_list $NAME \$$(toupper $NAME)_LIST
1840 ;;
1841 --help|-h) show_help
1842 ;;
1843 *)
884a36a7 1844 optname="${opt%%=*}"
26759c44
MR
1845 optname="${optname#--}"
1846 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1847 if is_in $optname $CMDLINE_SET; then
1848 eval $optname='$optval'
1849 elif is_in $optname $CMDLINE_APPEND; then
1850 append $optname "$optval"
1851 else
1852 die_unknown $opt
1853 fi
7483e694
DB
1854 ;;
1855 esac
c597172e
MR
1856done
1857
bcea99bb
MR
1858disabled logging && logfile=/dev/null
1859
29ba0911 1860echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
1861set >> $logfile
1862
9da6609f
MR
1863test -n "$cross_prefix" && enable cross_compile
1864
8d4c00ed
MR
1865if enabled cross_compile; then
1866 test -n "$arch" && test -n "$target_os" ||
1867 die "Must specify target arch and OS when cross-compiling"
1868fi
1869
1870set_default arch target_os
1871
121d78d0 1872ar_default="${cross_prefix}${ar_default}"
11e6d03a 1873cc_default="${cross_prefix}${cc_default}"
20e0ed95 1874nm_default="${cross_prefix}${nm_default}"
3f8040db 1875pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 1876ranlib="${cross_prefix}${ranlib}"
adb2b908 1877
c5200f17
MR
1878sysinclude_default="${sysroot}/usr/include"
1879
e0be794a 1880set_default cc nm pkg_config sysinclude
9da6609f
MR
1881enabled cross_compile || host_cc_default=$cc
1882set_default host_cc
13c7df3d 1883
762f95e4
MR
1884if ! $pkg_config --version >/dev/null 2>&1; then
1885 warn "$pkg_config not found, library detection may fail."
1886 pkg_config=false
1887fi
1888
82bb3329
MR
1889exesuf() {
1890 case $1 in
1c69c79f 1891 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
1892 esac
1893}
1894
1895EXESUF=$(exesuf $target_os)
1896HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1897
e4e69e0b 1898# set temporary file name
a49d42c2 1899: ${TMPDIR:=$TEMPDIR}
c51fafa1 1900: ${TMPDIR:=$TMP}
a49d42c2 1901: ${TMPDIR:=/tmp}
e4e69e0b 1902
a210bce2 1903if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
1904 # simple replacement for missing mktemp
1905 # NOT SAFE FOR GENERAL USE
1906 mktemp(){
09a5c245 1907 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
1908 }
1909fi
1910
1911tmpfile(){
1912 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1913 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1914 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1915 append TMPFILES $tmp
1916 eval $1=$tmp
1917}
1918
1919trap 'rm -f -- $TMPFILES' EXIT
54460a83 1920
55127e7b 1921tmpfile TMPASM .asm
3e0b1c9a
DB
1922tmpfile TMPC .c
1923tmpfile TMPE $EXESUF
1924tmpfile TMPH .h
1925tmpfile TMPO .o
1926tmpfile TMPS .S
1927tmpfile TMPSH .sh
1928tmpfile TMPV .ver
54460a83
MR
1929
1930unset -f mktemp
e4e69e0b 1931
fb3c4ffc
MR
1932chmod +x $TMPE
1933
993f2d0f
MR
1934# make sure we can execute files in $TMPDIR
1935cat > $TMPSH 2>> $logfile <<EOF
1936#! /bin/sh
1937EOF
1938chmod +x $TMPSH >> $logfile 2>&1
1939if ! $TMPSH >> $logfile 2>&1; then
1940 cat <<EOF
1941Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1942variable to another directory and make sure that it is not mounted noexec.
1943EOF
1944 die "Sanity test failed."
1945fi
993f2d0f 1946
3e0b1c9a 1947filter_asflags=echo
19b4c628
MR
1948filter_cflags=echo
1949filter_cppflags=echo
19b4c628 1950
613a4e3f
MR
1951if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1952 cc_type=llvm_gcc
1953 cc_version=__VERSION__
1954 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1955 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1956 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1957 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1958 speed_cflags='-O3'
1959 size_cflags='-Os'
1960elif $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1961 cc_type=gcc
a3d7c197 1962 cc_version=__VERSION__
5d57846b
MR
1963 gcc_version=$($cc --version | head -n1)
1964 gcc_basever=$($cc -dumpversion)
3ad464bf 1965 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
5d57846b
MR
1966 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1967 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
aef6bd1b
MR
1968 if ! $cc -dumpversion | grep -q '^2\.'; then
1969 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1970 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1971 fi
14ca9cd0
MR
1972 speed_cflags='-O3'
1973 size_cflags='-Os'
629687f6
MR
1974elif $cc --version 2>/dev/null | grep -q Intel; then
1975 cc_type=icc
6e3fa35d 1976 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
bb5cecdc 1977 cc_ident=$($cc --version | head -n1)
bdefad73 1978 icc_version=$($cc -dumpversion)
07dec06e
MR
1979 CC_DEPFLAGS='-MMD'
1980 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1981 speed_cflags='-O3'
1982 size_cflags='-Os'
b05394a0 1983 noopt_cflags='-O1'
629687f6
MR
1984elif $cc -v 2>&1 | grep -q xlc; then
1985 cc_type=xlc
6e3fa35d 1986 cc_version="AV_STRINGIFY(__IBMC__)"
bb5cecdc 1987 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
14ca9cd0
MR
1988 speed_cflags='-O5'
1989 size_cflags='-O5 -qcompact'
df442a8d
MR
1990elif $cc -V 2>/dev/null | grep -q Compaq; then
1991 cc_type=ccc
6e3fa35d 1992 cc_version="AV_STRINGIFY(__DECC_VER)"
bb5cecdc 1993 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
d8059267 1994 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1995 debuglevel=3
df442a8d 1996 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1997 speed_cflags='-fast'
1998 size_cflags='-O1'
6a0d5493 1999elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
2000 test -d "$sysroot" || die "No valid sysroot specified."
2001 cc_type=armcc
6e3fa35d 2002 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
bb5cecdc 2003 cc_ident=$($cc --vsn | head -n1)
03e37762
MR
2004 armcc_conf="$PWD/armcc.conf"
2005 $cc --arm_linux_configure \
2006 --arm_linux_config_file="$armcc_conf" \
2007 --configure_sysroot="$sysroot" \
2008 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2009 die "Error creating armcc configuration file."
bcafde61 2010 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
03e37762 2011 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 2012 as_default="${cross_prefix}gcc"
07dec06e
MR
2013 CC_DEPFLAGS='-MMD'
2014 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
2015 speed_cflags='-O3'
2016 size_cflags='-Os'
d0f0f628 2017 filter_asflags="filter_out -W${armcc_opt}*"
6fec122a
MR
2018elif $cc -version 2>/dev/null | grep -q TMS470; then
2019 cc_type=tms470
6e3fa35d 2020 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
bb5cecdc 2021 cc_ident=$($cc -version | head -n1 | tr -s ' ')
6fec122a
MR
2022 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2023 CC_O='-fr=$(@D)'
2024 as_default="${cross_prefix}gcc"
2025 ld_default="${cross_prefix}gcc"
6fec122a
MR
2026 TMPO=$(basename $TMPC .c).o
2027 append TMPFILES $TMPO
2028 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
2029 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2030 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
2031 speed_cflags='-O3 -mf=5'
2032 size_cflags='-O3 -mf=2'
6fec122a
MR
2033 filter_cflags=tms470_flags
2034 tms470_flags(){
2035 for flag; do
2036 case $flag in
2037 -march=*|-mcpu=*)
2038 case "${flag#*=}" in
2039 armv7-a|cortex-a*) echo -mv=7a8 ;;
2040 armv7-r|cortex-r*) echo -mv=7r4 ;;
2041 armv7-m|cortex-m*) echo -mv=7m3 ;;
2042 armv6*|arm11*) echo -mv=6 ;;
2043 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2044 echo -mv=5e ;;
2045 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2046 esac
2047 ;;
2048 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2049 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 2050 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 2051 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 2052 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 2053 -g) echo -g -mn ;;
587d24ff 2054 -pds=*) echo $flag ;;
6fec122a
MR
2055 esac
2056 done
2057 }
06da6943
DC
2058elif $cc -v 2>&1 | grep -q clang; then
2059 cc_type=clang
b67a8f49
DC
2060 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2061 cc_version=__clang_version__ || cc_version=__VERSION__
bb5cecdc 2062 cc_ident=$($cc --version | head -n1)
06da6943
DC
2063 CC_DEPFLAGS='-MMD'
2064 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
2065 speed_cflags='-O3'
2066 size_cflags='-Os'
2a472e9c
MK
2067elif $cc -V 2>&1 | grep -q Sun; then
2068 cc_type=suncc
2069 cc_version="AV_STRINGIFY(__SUNPRO_C)"
448f5b83 2070 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
faa374b7 2071 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 2072 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
558c2683 2073 add_ldflags -xc99
14ca9cd0
MR
2074 speed_cflags='-O5'
2075 size_cflags='-O5 -xspace'
03279bbe
MK
2076 filter_cflags=suncc_flags
2077 suncc_flags(){
2078 for flag; do
2079 case $flag in
2080 -march=*|-mcpu=*)
2081 case "${flag#*=}" in
2082 native) echo -xtarget=native ;;
87ddc38b 2083 v9|niagara) echo -xarch=sparc ;;
03279bbe 2084 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 2085 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
2086 i586|pentium) echo -xchip=pentium ;;
2087 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2088 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2089 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2090 pentium4*) echo -xtarget=pentium4 ;;
2091 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2092 *-sse3) echo -xarch=sse3 ;;
2093 core2) echo -xarch=ssse3 -xchip=core2 ;;
2094 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2095 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2096 k8|opteron|athlon64|athlon-fx)
2097 echo -xarch=sse2a ;;
2098 athlon*) echo -xarch=pentium_proa ;;
2099 esac
2100 ;;
2101 -std=c99) echo -xc99 ;;
2102 -fomit-frame-pointer) echo -xregs=frameptr ;;
2103 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
2104 -W*,*) echo $flag ;;
2105 -f*-*|-W*) ;;
2106 *) echo $flag ;;
2107 esac
2108 done
2109 }
180ec37d 2110elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
349d78fe
MR
2111 cc_type=pathscale
2112 cc_version=__PATHSCALE__
2113 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2114 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2115 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2116 speed_cflags='-O2'
2117 size_cflags='-Os'
7b2d2190 2118 filter_cflags='filter_out -Wdisabled-optimization'
6de163e9
MR
2119elif $cc -v 2>&1 | grep -q Open64; then
2120 cc_type=open64
2121 cc_version=__OPEN64__
2122 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2123 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2124 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2125 speed_cflags='-O2'
2126 size_cflags='-Os'
7b2d2190 2127 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
e73ec921
MR
2128elif $cc -V 2>&1 | grep -q Portland; then
2129 cc_type=pgi
2130 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2131 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2132 opt_common='-alias=ansi -Mlre -Mpre'
2133 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2134 size_cflags="-O2 -Munroll=c:1 $opt_common"
2135 noopt_cflags="-O1"
2136 filter_cflags=pgi_flags
2137 pgi_flags(){
2138 for flag; do
2139 case $flag in
2140 -fomit-frame-pointer) echo -Mnoframe ;;
2141 -g) echo -gopt ;;
2142 *) echo $flag ;;
2143 esac
2144 done
2145 }
629687f6
MR
2146fi
2147
851ffa80
MR
2148test -n "$cc_type" && enable $cc_type ||
2149 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2150
75bafbac 2151: ${as_default:=$cc}
50567afa 2152: ${dep_cc_default:=$cc}
684b28e0 2153: ${ld_default:=$cc}
121d78d0 2154set_default ar as dep_cc ld
75800dce 2155
07dec06e
MR
2156test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2157test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2158
7f32f40c 2159add_cflags $extra_cflags
2f2e6c7c 2160add_asflags $extra_cflags
7f32f40c 2161
154d432c
MR
2162if test -n "$sysroot"; then
2163 case "$cc_type" in
00ba041c 2164 gcc|llvm_gcc|clang)
467256f2 2165 add_cppflags --sysroot="$sysroot"
154d432c
MR
2166 add_ldflags --sysroot="$sysroot"
2167 ;;
6fec122a
MR
2168 tms470)
2169 add_cppflags -I"$sysinclude"
2170 add_ldflags --sysroot="$sysroot"
2171 ;;
154d432c
MR
2172 esac
2173fi
2174
d22c13a8
MR
2175if test "$cpu" = host; then
2176 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2177
2178 case "$cc_type" in
613a4e3f 2179 gcc|llvm_gcc)
d22c13a8
MR
2180 check_native(){
2181 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2182 sed -n "/cc1.*$1=/{
27ce1be8
MR
2183 s/.*$1=\\([^ ]*\\).*/\\1/
2184 p
2185 q
2186 }" $TMPE
d22c13a8
MR
2187 }
2188 cpu=$(check_native -march || check_native -mcpu)
2189 ;;
2190 esac
2191
2192 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2193fi
2194
e939cedd
MR
2195# Deal with common $arch aliases
2196case "$arch" in
2197 arm*)
2198 arch="arm"
2199 ;;
2200 mips|mipsel|IP*)
2201 arch="mips"
2202 ;;
47b1860e 2203 mips64*)
e939cedd
MR
2204 arch="mips"
2205 subarch="mips64"
2206 ;;
2207 parisc|hppa)
2208 arch="parisc"
2209 ;;
2210 parisc64|hppa64)
2211 arch="parisc"
2212 subarch="parisc64"
2213 ;;
2214 "Power Macintosh"|ppc|powerpc)
2215 arch="ppc"
2216 ;;
47b1860e 2217 ppc64|powerpc64)
e939cedd
MR
2218 arch="ppc"
2219 subarch="ppc64"
2220 ;;
2221 s390|s390x)
2222 arch="s390"
2223 ;;
2224 sh4|sh)
2225 arch="sh4"
2226 ;;
2227 sun4u|sparc64)
2228 arch="sparc"
2229 subarch="sparc64"
2230 ;;
d33ed7b3 2231 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2232 arch="x86"
2233 ;;
2234esac
2235
851ffa80 2236is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2237enable $arch
e939cedd 2238
df5cdc24 2239# Add processor-specific flags
5d54c126
MR
2240if test "$cpu" = generic; then
2241 : do nothing
2242elif enabled ppc; then
343aef9b 2243
56348891
MR
2244 case $(tolower $cpu) in
2245 601|ppc601|powerpc601)
9dbd5c3d 2246 cpuflags="-mcpu=601"
64ad53ff 2247 disable altivec
9dbd5c3d 2248 ;;
56348891 2249 603*|ppc603*|powerpc603*)
9dbd5c3d 2250 cpuflags="-mcpu=603"
64ad53ff 2251 disable altivec
9dbd5c3d 2252 ;;
56348891 2253 604*|ppc604*|powerpc604*)
9dbd5c3d 2254 cpuflags="-mcpu=604"
64ad53ff 2255 disable altivec
9dbd5c3d 2256 ;;
56348891 2257 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2258 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2259 disable altivec
9dbd5c3d 2260 ;;
56348891 2261 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2262 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2263 ;;
56348891 2264 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2265 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2266 ;;
313f9fbf 2267 g5|970|ppc970|powerpc970)
9dbd5c3d
MR
2268 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2269 ;;
313f9fbf
SM
2270 power[3-7]*)
2271 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2272 ;;
56348891 2273 cell)
9dbd5c3d
MR
2274 cpuflags="-mcpu=cell"
2275 enable ldbrx
2276 ;;
7b0b81a1
AL
2277 e500v2)
2278 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2279 disable altivec
2280 ;;
2281 e500)
2282 cpuflags="-mcpu=8540 -mhard-float"
2283 disable altivec
2284 ;;
9dbd5c3d 2285 esac
343aef9b
MR
2286
2287elif enabled x86; then
2288
9dbd5c3d
MR
2289 case $cpu in
2290 i[345]86|pentium)
2291 cpuflags="-march=$cpu"
2292 disable mmx
2293 ;;
2294 # targets that do NOT support conditional mov (cmov)
2295 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2296 cpuflags="-march=$cpu"
2297 disable cmov
2298 ;;
2299 # targets that do support conditional mov (cmov)
9ddf1b1a 2300 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
9dbd5c3d
MR
2301 cpuflags="-march=$cpu"
2302 enable cmov
2303 enable fast_cmov
2304 ;;
2305 # targets that do support conditional mov but on which it's slow
2306 pentium4|pentium4m|prescott|nocona)
2307 cpuflags="-march=$cpu"
2308 enable cmov
2309 disable fast_cmov
2310 ;;
2311 esac
343aef9b
MR
2312
2313elif enabled sparc; then
2314
9dbd5c3d 2315 case $cpu in
26b7199e
MK
2316 niagara)
2317 cpuflags="-mcpu=$cpu"
2318 disable vis
2319 ;;
9dbd5c3d
MR
2320 sparc64)
2321 cpuflags="-mcpu=v9"
2322 ;;
2323 esac
343aef9b
MR
2324
2325elif enabled arm; then
2326
34ba23c9
MR
2327 case $cpu in
2328 armv*)
2329 cpuflags="-march=$cpu"
c2eae137 2330 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
34ba23c9
MR
2331 ;;
2332 *)
2333 cpuflags="-mcpu=$cpu"
c2eae137
MR
2334 case $cpu in
2335 cortex-a*) subarch=armv7a ;;
2336 cortex-r*) subarch=armv7r ;;
9e19704a 2337 cortex-m*) enable thumb; subarch=armv7m ;;
c2eae137
MR
2338 arm11*) subarch=armv6 ;;
2339 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2340 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2341 esac
34ba23c9
MR
2342 ;;
2343 esac
343aef9b
MR
2344
2345elif enabled alpha; then
2346
34ba23c9 2347 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2348
2349elif enabled bfin; then
2350
34ba23c9 2351 cpuflags="-mcpu=$cpu"
343aef9b
MR
2352
2353elif enabled mips; then
2354
34ba23c9 2355 cpuflags="-march=$cpu"
343aef9b
MR
2356
2357elif enabled avr32; then
2358
9dbd5c3d
MR
2359 case $cpu in
2360 ap7[02]0[0-2])
2361 subarch="avr32_ap"
2362 cpuflags="-mpart=$cpu"
2363 ;;
2364 ap)
2365 subarch="avr32_ap"
2366 cpuflags="-march=$cpu"
2367 ;;
2368 uc3[ab]*)
2369 subarch="avr32_uc"
2370 cpuflags="-mcpu=$cpu"
2371 ;;
2372 uc)
2373 subarch="avr32_uc"
2374 cpuflags="-march=$cpu"
2375 ;;
2376 esac
df5cdc24 2377
343aef9b
MR
2378fi
2379
df5cdc24
MR
2380add_cflags $cpuflags
2381add_asflags $cpuflags
2382
993f2d0f
MR
2383# compiler sanity check
2384check_exec <<EOF
2385int main(void){ return 0; }
2386EOF
2387if test "$?" != 0; then
2388 echo "$cc is unable to create an executable file."
2389 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2390 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2391 echo "Only do this if you know what cross compiling means."
2392 fi
2393 die "C compiler test failed."
2394fi
2395
046f081b 2396add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2397check_cflags -std=c99
50a334e4 2398check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2399#include <stdlib.h>
2400EOF
50a334e4 2401check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2402#include <stdlib.h>
2403EOF
e9b9a2f8 2404
f0125de9 2405check_host_cflags -std=c99
0a6db2a2 2406check_host_cflags -Wall
f0125de9 2407
b24dbcbd 2408case "$arch" in
e939cedd 2409 alpha|ia64|mips|parisc|sparc)
8a3c8627 2410 spic=$shared
b24dbcbd 2411 ;;
e939cedd 2412 x86)
cfdb6148 2413 subarch="x86_32"
5adc829e 2414 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
de27f4d9 2415 if test "$subarch" = "x86_64"; then
e939cedd 2416 spic=$shared
de27f4d9 2417 fi
b24dbcbd 2418 ;;
b24dbcbd
RP
2419esac
2420
343aef9b 2421enable $subarch
8a3c8627 2422enabled spic && enable pic
b24dbcbd 2423
7483e694 2424# OS specific
4f854758 2425case $target_os in
a1629e28 2426 haiku)
63ae7e7c 2427 prefix_default="/boot/common"
108caaaa 2428 network_extralibs="-lnetwork"
f59c4bd6 2429 host_libs=
a1629e28 2430 ;;
7483e694 2431 sunos)
4d58e4cb 2432 AVSERVERLDFLAGS=""
9987769a 2433 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2434 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2435 network_extralibs="-lsocket -lnsl"
779222db 2436 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2437 # When using suncc to build, the Solaris linker will mark
2438 # an executable with each instruction set encountered by
2439 # the Solaris assembler. As our libraries contain their own
2440 # guards for processor-specific code, instead suppress
2441 # generation of the HWCAPS ELF section on Solaris x86 only.
2442 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
8182dc34 2443 nm_opts='-P -g'
7483e694
DB
2444 ;;
2445 netbsd)
a1e4b3f6 2446 disable symver
07a8eef6
MR
2447 oss_indev_extralibs="-lossaudio"
2448 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2449 ;;
2450 openbsd)
7c4a001a 2451 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2452 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2453 # however the generated executable will not do anything
2454 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2455 # Thus explicitly enable PIC here.
cd78208b 2456 enable pic
a1e4b3f6 2457 disable symver
7483e694 2458 SHFLAGS='-shared'
07a8eef6
MR
2459 oss_indev_extralibs="-lossaudio"
2460 oss_outdev_extralibs="-lossaudio"
7483e694 2461 ;;
a1e4b3f6 2462 dragonfly)
a1e4b3f6
MR
2463 disable symver
2464 ;;
2465 freebsd)
7483e694
DB
2466 ;;
2467 bsd/os)
355d81df 2468 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2469 ;;
2470 darwin)
301ab19d 2471 gas="gas-preprocessor.pl $cc"
e08b8239 2472 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2473 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2474 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2475 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2476 SLIBSUF=".dylib"
2477 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2478 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2479 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2480 objformat="macho"
1b0f6fb8 2481 enabled x86_64 && objformat="macho64"
8dfa86f7 2482 enabled_any pic shared ||
2704bd1a 2483 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2484 ;;
2485 mingw32*)
9d3f4f50 2486 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2487 disable network
2488 else
2489 target_os=mingw32
2490 fi
dcc01c06 2491 LIBTARGET=i386
1fc9fb8a 2492 if enabled x86_64; then
417516f6 2493 LIBTARGET="i386:x86-64"
336cc1b0 2494 elif enabled arm; then
15c5156d 2495 LIBTARGET=arm-wince
dcc01c06 2496 fi
fbd971a4 2497 shlibdir_default="$bindir_default"
7483e694
DB
2498 SLIBPREF=""
2499 SLIBSUF=".dll"
7483e694
DB
2500 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2501 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2f138f0b
MR
2502 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2503 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2504 SLIB_INSTALL_LINKS=
2505 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2506 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4b51fb1c 2507 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 2508 objformat="win32"
ec10a9ab 2509 dlltool="${cross_prefix}dlltool"
bc574408 2510 enable dos_paths
1894e741 2511 check_cflags -fno-common
e26011d0
RP
2512 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2513 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2514 die "ERROR: MinGW runtime version must be >= 3.15."
5666a9f2 2515 add_cppflags -U__STRICT_ANSI__
7483e694
DB
2516 ;;
2517 cygwin*)
4f854758 2518 target_os=cygwin
fbd971a4 2519 shlibdir_default="$bindir_default"
7483e694
DB
2520 SLIBPREF="cyg"
2521 SLIBSUF=".dll"
2522 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2523 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2524 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2525 objformat="win32"
bc574408 2526 enable dos_paths
1894e741 2527 check_cflags -fno-common
a7a187a1 2528 add_cppflags -U__STRICT_ANSI__
7483e694 2529 ;;
4f365f37 2530 *-dos|freedos|opendos)
4f365f37 2531 network_extralibs="-lsocket"
ff1c015d 2532 objformat="coff"
bc574408 2533 enable dos_paths
a7a187a1 2534 add_cppflags -U__STRICT_ANSI__
4f365f37 2535 ;;
7483e694 2536 linux)
046f081b 2537 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
7483e694
DB
2538 enable dv1394
2539 ;;
2540 irix*)
4f854758 2541 target_os=irix
7483e694
DB
2542 ranlib="echo ignoring ranlib"
2543 ;;
d22e8442 2544 os/2*)
d22e8442 2545 ln_s="cp -f"
9297f1ed 2546 objformat="aout"
e14574eb 2547 add_cppflags -D_GNU_SOURCE
355d81df 2548 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2549 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2550 AVSERVERLDFLAGS=""
287d3b13 2551 LIBSUF="_s.a"
d22e8442
DY
2552 SLIBPREF=""
2553 SLIBSUF=".dll"
2554 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2555 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2556 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2557 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2558 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2559 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2560 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2561 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2562 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2563 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2564 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2565 enable dos_paths
d22e8442 2566 ;;
83993c1c 2567 gnu/kfreebsd)
c1f54478 2568 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
83993c1c 2569 ;;
34e82167 2570 gnu)
f60d1366 2571 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
34e82167 2572 ;;
d33ed7b3
MR
2573 qnx)
2574 add_cppflags -D_QNX_SOURCE
2575 network_extralibs="-lsocket"
2576 ;;
1c69c79f
MS
2577 symbian)
2578 SLIBSUF=".dll"
2579 enable dos_paths
e3bc07f4
MS
2580 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2581 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2582 add_ldflags -Wl,--target1-abs,--no-undefined \
2583 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2584 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2585 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2586 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2587 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2588 ;;
614d8911
MR
2589 none)
2590 ;;
7483e694 2591 *)
4f924f9a 2592 die "Unknown OS '$target_os'."
7483e694
DB
2593 ;;
2594esac
2595
6555acad
MR
2596esc(){
2597 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2598}
2599
2600echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 2601
13cb2187
AS
2602check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2603
c9d19248
MR
2604set_default $PATHS_LIST
2605
320d060a 2606# we need to build at least one lib type
93b3c083 2607if ! enabled_any static shared; then
320d060a
DB
2608 cat <<EOF
2609At least one library type must be built.
2610Specify --enable-static to build the static libraries or --enable-shared to
2611build the shared libraries as well. To only build the shared libraries specify
2612--disable-static in addition to --enable-shared.
2613EOF
2614 exit 1;
2615fi
2616
2184c6f7 2617die_license_disabled() {
4c27207c 2618 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2619}
2620
e417d80d 2621die_license_disabled gpl libcdio
2184c6f7 2622die_license_disabled gpl libx264
de295976 2623die_license_disabled gpl libxavs
2184c6f7 2624die_license_disabled gpl libxvid
2184c6f7
DB
2625die_license_disabled gpl x11grab
2626
2f7ae63b 2627die_license_disabled nonfree libfaac
87246953 2628die_license_disabled nonfree libfdk_aac
a060866f 2629die_license_disabled nonfree openssl
b2e3c528 2630
0b175caa
DB
2631die_license_disabled version3 libopencore_amrnb
2632die_license_disabled version3 libopencore_amrwb
d89e738a 2633die_license_disabled version3 libvo_aacenc
f502ff3f 2634die_license_disabled version3 libvo_amrwbenc
0b175caa 2635
9cad0e4e 2636enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2637
40617a6d 2638disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2639
e276d9e8
MR
2640enable_pic() {
2641 enable pic
bce7b696
MR
2642 add_cppflags -DPIC
2643 add_cflags -fPIC
2644 add_asflags -fPIC
e276d9e8
MR
2645}
2646
2647enabled pic && enable_pic
bce7b696 2648
b4d96ba2
MR
2649check_cc <<EOF || die "Symbol mangling check failed."
2650int ff_extern;
2651EOF
8182dc34 2652sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2653extern_prefix=${sym%%ff_extern*}
2654
f65883c8
MR
2655check_cc <<EOF && enable inline_asm
2656void foo(void) { __asm__ volatile ("" ::); }
2657EOF
61d251db 2658
df5e3978
MR
2659_restrict=
2660for restrict_keyword in restrict __restrict__ __restrict; do
2661 check_cc <<EOF && _restrict=$restrict_keyword && break
2662void foo(char * $restrict_keyword p);
2663EOF
2664done
2665
2666check_cc <<EOF && enable attribute_packed
2667struct { int x; } __attribute__((packed)) x;
2668EOF
2669
dffb41b9
MR
2670check_cc <<EOF && enable attribute_may_alias
2671union { int x; } __attribute__((may_alias)) x;
2672EOF
2673
df5e3978
MR
2674check_cc <<EOF || die "endian test failed"
2675unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2676EOF
48fc536a 2677od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2678
e939cedd
MR
2679if enabled alpha; then
2680
2681 check_cflags -mieee
2682
2683elif enabled arm; then
e45391bb 2684
8986fddc 2685 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 2686 nogas=die
50fa82e6 2687
44caaa56
MR
2688 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2689 enable vfp_args
2690 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2691 case "${cross_prefix:-$cc}" in
2692 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2693 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
2694__asm__ (".eabi_attribute 28, 1");
2695int main(void) { return 0; }
2696EOF
44caaa56
MR
2697 esac
2698 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2699 fi
fa0912fe 2700
fa0912fe
MR
2701 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2702 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2703 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2704 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
fa0912fe 2705 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
93eb8e4d 2706 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
e45391bb 2707
6308729e
MR
2708 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2709
e276d9e8
MR
2710 enabled_all armv6t2 shared !pic && enable_pic
2711
fa0912fe 2712elif enabled mips; then
e45391bb 2713
fa0912fe
MR
2714 check_asm loongson '"dmult.g $1, $2, $3"'
2715 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2716
fa0912fe 2717elif enabled ppc; then
e45391bb 2718
e6a0c354
MR
2719 enable local_aligned_8 local_aligned_16
2720
135448fa 2721 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2722 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2723 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2724 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2725
2726 # AltiVec flags: The FSF version of GCC differs from the Apple version
2727 if enabled altivec; then
301ab19d 2728 nogas=warn
fa0912fe
MR
2729 check_cflags -maltivec -mabi=altivec &&
2730 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2731 check_cflags -faltivec
2732
2733 # check if our compiler supports Motorola AltiVec C API
2734 check_cc <<EOF || disable altivec
2735$inc_altivec_h
2736int main(void) {
2737 vector signed int v1, v2, v3;
2738 v1 = vec_add(v2,v3);
2739 return 0;
2740}
2741EOF
2742
2743 # check if our compiler supports braces for vector declarations
2744 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2745$inc_altivec_h
2746int main (void) { (vector int) {1}; return 0; }
2747EOF
2748 fi
e45391bb 2749
fa0912fe 2750elif enabled sparc; then
e45391bb 2751
fa0912fe
MR
2752 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2753 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2754
fa0912fe 2755elif enabled x86; then
e45391bb 2756
3f150ffb 2757 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
c0ee695b 2758 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
8e85ba8d 2759 check_code ld intrin.h "__rdtsc()" && enable rdtsc
358d854d 2760 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
8e85ba8d 2761
f80ddd5b
RB
2762 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2763
e6a0c354
MR
2764 enable local_aligned_8 local_aligned_16
2765
44965991
PI
2766 # check whether EBP is available on x86
2767 # As 'i' is stored on the stack, this program will crash
2768 # if the base pointer is used to access it because the
2769 # base pointer is cleared in the inline assembly code.
7dfef245 2770 check_exec_crash <<EOF && enable ebp_available
44965991 2771 volatile int i=0;
be449fca 2772 __asm__ volatile (
44965991
PI
2773 "xorl %%ebp, %%ebp"
2774 ::: "%ebp");
2775 return i;
44965991
PI
2776EOF
2777
f494213c 2778 # check whether EBX is available on x86
7cee5421
MR
2779 check_asm ebx_available '""::"b"(0)' &&
2780 check_asm ebx_available '"":::"%ebx"'
8e380710 2781
6f74fb03
RP
2782 # check whether xmm clobbers are supported
2783 check_asm xmm_clobbers '"":::"%xmm0"'
2784
d7f0920b 2785 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2786 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2787 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6 2788
9cca1e40 2789 if ! disabled_any asm mmx yasm; then
b6c06894
MR
2790 if check_cmd $yasmexe --version; then
2791 enabled x86_64 && yasm_extra="-m amd64"
2792 yasm_debug="-g dwarf2"
2793 elif check_cmd nasm -v; then
2794 yasmexe=nasm
2795 yasm_debug="-g -F dwarf"
2796 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2797 fi
2798
2799 YASMFLAGS="-f $objformat $yasm_extra"
2800 enabled pic && append YASMFLAGS "-DPIC"
2801 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2802 case "$objformat" in
2803 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2804 esac
2805
48545a8f 2806 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
25432e85 2807 die "yasm not found, use --disable-yasm for a crippled build"
429059f8 2808 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
31a0dcb2 2809 fi
e45391bb 2810
669b5583
MR
2811 case "$cpu" in
2812 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2813 disable fast_clz
2814 ;;
2815 esac
2816
44965991
PI
2817fi
2818
301ab19d
MR
2819if enabled asm; then
2820 as=${gas:=$as}
2821 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2822 $nogas "GNU assembler not found, install gas-preprocessor"
2823fi
2824
4a7e068b
MR
2825check_ldflags -Wl,--as-needed
2826
a98bb16d
RP
2827if check_func dlopen; then
2828 ldl=
2829elif check_func dlopen -ldl; then
2830 ldl=-ldl
8bf5d58f
MN
2831fi
2832
54fe299b
DV
2833if enabled network; then
2834 check_type "sys/types.h sys/socket.h" socklen_t
2835 check_type netdb.h "struct addrinfo"
75d339e0
MS
2836 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2837 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
2838 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2839 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 2840 check_type poll.h "struct pollfd"
54fe299b
DV
2841 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2842 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5699884c 2843 check_header netinet/sctp.h
f06dee77 2844 check_func getaddrinfo $network_extralibs
54fe299b
DV
2845 # Prefer arpa/inet.h over winsock2
2846 if check_header arpa/inet.h ; then
2847 check_func closesocket
2848 elif check_header winsock2.h ; then
47876d66
DB
2849 check_func_headers winsock2.h closesocket -lws2 &&
2850 network_extralibs="-lws2" ||
2851 { check_func_headers winsock2.h closesocket -lws2_32 &&
54fe299b 2852 network_extralibs="-lws2_32"; }
f06dee77 2853 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
54fe299b
DV
2854 check_type ws2tcpip.h socklen_t
2855 check_type ws2tcpip.h "struct addrinfo"
75d339e0
MS
2856 check_type ws2tcpip.h "struct group_source_req"
2857 check_type ws2tcpip.h "struct ip_mreq_source"
54fe299b 2858 check_type ws2tcpip.h "struct ipv6_mreq"
cdee08e3 2859 check_type winsock2.h "struct pollfd"
54fe299b
DV
2860 check_type ws2tcpip.h "struct sockaddr_in6"
2861 check_type ws2tcpip.h "struct sockaddr_storage"
2862 check_struct winsock2.h "struct sockaddr" sa_len
2863 else
2864 disable network
2865 fi
2866fi
2867
75ecf149
DB
2868# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2869check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2870
534a2231 2871check_func fcntl
7483e694
DB
2872check_func fork
2873check_func gethrtime
667fb97a 2874check_func getopt
7483e694 2875check_func getrusage
fc5607f8 2876check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
61183b5a 2877check_func gettimeofday
094c09bb 2878check_func inet_aton $network_extralibs
abfc8d05 2879check_func isatty
a5b64584 2880check_func localtime_r
4ae40685 2881check_func ${malloc_prefix}memalign && enable memalign
7483e694 2882check_func mkstemp
0328b9ea 2883check_func mmap
4ae40685 2884check_func ${malloc_prefix}posix_memalign && enable posix_memalign
be1a839c 2885check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
0104b608 2886check_func setrlimit
87958234 2887check_func strerror_r
6379900c 2888check_func strptime
47941088 2889check_func strtok_r
ea4d5f48 2890check_func sched_getaffinity
bcc73960 2891check_func sysconf
b9e22269 2892check_func sysctl
d3d3a32c 2893check_func usleep
b507ebd1 2894check_func_headers io.h setmode
b4675d0f 2895check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
fc5607f8 2896check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
02e8f427 2897check_func_headers windows.h GetProcessAffinityMask
2446d3d6 2898check_func_headers windows.h GetProcessTimes
61183b5a 2899check_func_headers windows.h GetSystemTimeAsFileTime
73f6d31e 2900check_func_headers windows.h MapViewOfFile
d3d3a32c 2901check_func_headers windows.h Sleep
7c5bfe7a 2902check_func_headers windows.h VirtualAlloc
6ffa87d3 2903
a98bb16d 2904check_header dlfcn.h
fa845061 2905check_header dxva.h
92c6a099 2906check_header dxva2api.h
3b1ab197 2907check_header io.h
a98bb16d 2908check_header malloc.h
bf6ce82d 2909check_header poll.h
b58412f1 2910check_header sys/mman.h
06bb5905 2911check_header sys/param.h
b091aa44 2912check_header sys/resource.h
bf6ce82d 2913check_header sys/select.h
e64bceea 2914check_header sys/time.h
542920b7 2915check_header unistd.h
272081b0
CEH
2916check_header vdpau/vdpau.h
2917check_header vdpau/vdpau_x11.h
d3d3a32c 2918check_header windows.h
68178ca9 2919check_header X11/extensions/XvMClib.h
a98bb16d 2920
a4fa192c 2921disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2922disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4 2923
ff3755cb
JG
2924if ! disabled w32threads && ! enabled pthreads; then
2925 check_func _beginthreadex && enable w32threads
2926fi
2927
57bd82d4
MR
2928# check for some common methods of building with pthread support
2929# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2930if ! disabled pthreads && ! enabled w32threads; then
2931 enable pthreads
9e7fd101
MR
2932 if check_func pthread_create; then
2933 :
2934 elif check_func pthread_create -pthread; then
2935 add_cflags -pthread
afc9aee2 2936 add_extralibs -pthread
9e7fd101
MR
2937 elif check_func pthread_create -pthreads; then
2938 add_cflags -pthreads
afc9aee2 2939 add_extralibs -pthreads
8d94f606
GT
2940 elif check_func pthread_create -lpthreadGC2; then
2941 add_extralibs -lpthreadGC2
9e7fd101 2942 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2943 disable pthreads
9e7fd101 2944 fi
57bd82d4
MR
2945fi
2946
8eee7025 2947for thread in $THREADS_LIST; do
e5f94c2b 2948 if enabled $thread; then
3ae3b721
RP
2949 test -n "$thread_type" &&
2950 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2951 thread_type="$thread"
e5f94c2b
RP
2952 fi
2953done
2954
50f7c296 2955check_lib math.h sin -lm && LIBM="-lm"
f3e3f28e 2956enabled vaapi && require vaapi va/va.h vaInitialize -lva
fdf88598 2957
15333562 2958check_mathfunc cbrtf
645d2652
MR
2959check_mathfunc exp2
2960check_mathfunc exp2f
46df708b
MS
2961check_mathfunc isinf
2962check_mathfunc isnan
645d2652 2963check_mathfunc llrint
07876e25 2964check_mathfunc llrintf
645d2652
MR
2965check_mathfunc log2
2966check_mathfunc log2f
2967check_mathfunc lrint
2968check_mathfunc lrintf
183b1c22 2969check_mathfunc rint
645d2652
MR
2970check_mathfunc round
2971check_mathfunc roundf
23d3931a 2972check_mathfunc trunc
645d2652 2973check_mathfunc truncf
f32adb22 2974
57bd82d4 2975# these are off by default, so fail if requested and not available
a1b3c5a3 2976enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
47941088 2977enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
bc8c1395 2978enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
79fda097 2979enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
37eeb5e2 2980enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
a5b64584 2981enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
5af41508 2982enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3641b048 2983enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
9b9d3868 2984enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
eb7626a3
MR
2985enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2986enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4fa18c56 2987enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3d6fac8c 2988enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0de9c41f 2989enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4fa18c56
MR
2990enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2991enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
ae14f311 2992enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2993enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
d89e738a 2994enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
f502ff3f 2995enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
7483e694 2996enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
7d07d6f5
DB
2997enabled libvpx && {
2998 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2999 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3000 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3001 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
eb7626a3 3002enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
46c3c53b
AK
3003 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3004 die "ERROR: libx264 version must be >= 0.118."; }
de295976 3005enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2bfecf73 3006enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
a060866f
MS
3007enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3008 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3009 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3010 die "ERROR: openssl not found"; }
8ac17293 3011
0b4a1821
AS
3012# libdc1394 check
3013if enabled libdc1394; then
3014 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3015 enable libdc1394_2; } ||
3016 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3017 enable libdc1394_1; } ||
3018 die "ERROR: No version of libdc1394 found "
3019fi
3020
9bd41bb1 3021if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
aa692d54
MR
3022 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3023 enable sdl &&
3024 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 3025fi
57bd82d4 3026
2270b4b2 3027texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 3028
c6f95144 3029check_header linux/fb.h
06e31011 3030check_header linux/videodev2.h
a6a4793d
LB
3031check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3032
1b6e8b73 3033check_header sys/videoio.h
47f38850 3034
27796dc3 3035check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
3036# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3037# w32api 3.12 had it defined wrong
3038check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 3039
f8aa696f 3040# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
3041{ check_header dev/bktr/ioctl_meteor.h &&
3042 check_header dev/bktr/ioctl_bt848.h; } ||
3043{ check_header machine/ioctl_meteor.h &&
3044 check_header machine/ioctl_bt848.h; } ||
3045{ check_header dev/video/meteor/ioctl_meteor.h &&
3046 check_header dev/video/bktr/ioctl_bt848.h; } ||
3047check_header dev/ic/bt8xx.h
f8aa696f 3048
15d59d2c 3049check_header sndio.h
c7682de0
RP
3050check_header sys/soundcard.h
3051check_header soundcard.h
deb29777 3052
b6f3d925 3053enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 3054
8772997d
SM
3055enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3056 check_func jack_port_get_latency_range -ljack
80ff8a16 3057
15d59d2c
B
3058enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3059
e417d80d
AK
3060enabled libcdio &&
3061 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3062
4a584eda
JA
3063enabled x11grab &&
3064require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3065require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3066require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
f58f4ce1 3067
ac3dbb4d
SZ
3068# check for VDA header
3069if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
be1e8725 3070 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
ac3dbb4d
SZ
3071fi
3072
598ef02b 3073if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
3074check_cpp_condition \
3075 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
3076 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3077 disable vdpau; }
abf649c7 3078fi
deda2a4a 3079
95e561ec 3080enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
3081
3082# add some useful compiler flags if supported
3083check_cflags -Wdeclaration-after-statement
dcd479c0 3084check_cflags -Wall
440e3b2f 3085check_cflags -Wno-parentheses
dcd479c0 3086check_cflags -Wno-switch
b36518dc 3087check_cflags -Wno-format-zero-length
c07bd6a9
MN
3088check_cflags -Wdisabled-optimization
3089check_cflags -Wpointer-arith
3090check_cflags -Wredundant-decls
cc1fb623 3091check_cflags -Wno-pointer-sign
f4929996 3092check_cflags -Wcast-qual
9aceb3cf 3093check_cflags -Wwrite-strings
652a5bf6 3094check_cflags -Wtype-limits
764551c6 3095check_cflags -Wundef
fc298fd9 3096check_cflags -Wmissing-prototypes
c2ed91de 3097check_cflags -Wstrict-prototypes
5af4e0cc 3098enabled extra_warnings && check_cflags -Winline
cf9d24ad 3099
57bd82d4 3100# add some linker flags
5c0e9479 3101check_ldflags -Wl,--warn-common
3510a133 3102check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
fef2d661 3103test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
94a3401e 3104
47876d66 3105enabled xmm_clobber_test &&
7e4d9d5d
RB
3106 check_ldflags -Wl,--wrap,avcodec_open2 \
3107 -Wl,--wrap,avcodec_decode_audio4 \
3108 -Wl,--wrap,avcodec_decode_video2 \
3109 -Wl,--wrap,avcodec_decode_subtitle2 \
3110 -Wl,--wrap,avcodec_encode_audio2 \
3111 -Wl,--wrap,avcodec_encode_video \
3112 -Wl,--wrap,avcodec_encode_subtitle \
47876d66 3113 -Wl,--wrap,sws_scale ||
7e4d9d5d
RB
3114 disable xmm_clobber_test
3115
a482e61b 3116echo "X{};" > $TMPV
b462d132 3117if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 3118 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
3119 check_cc <<EOF && enable symver_asm_label
3120void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 3121void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
3122EOF
3123 check_cc <<EOF && enable symver_gnu_asm
3124__asm__(".symver ff_foo,av_foo@VERSION");
3125void ff_foo(void) {}
3126EOF
3127fi
a482e61b 3128
9cd7b854
MR
3129if [ -n "$optflags" ]; then
3130 add_cflags $optflags
3131elif enabled small; then
14ca9cd0 3132 add_cflags $size_cflags
8400d6b8 3133elif enabled optimizations; then
14ca9cd0 3134 add_cflags $speed_cflags
b05394a0
MR
3135else
3136 add_cflags $noopt_cflags
cddf3f45 3137fi
11fdbc44 3138check_cflags -fno-math-errno
b2eb2ff0 3139check_cflags -fno-signed-zeros
cddf3f45 3140
629687f6 3141if enabled icc; then
b1598b58
MR
3142 # Just warnings, no remarks
3143 check_cflags -w1
3144 # -wd: Disable following warnings
3145 # 144, 167, 556: -Wno-pointer-sign
91bcad19 3146 # 1292: attribute "foo" ignored
88de5b0a 3147 # 1419: external declaration in primary source file
b1598b58 3148 # 10006: ignoring unknown option -fno-signed-zeros
f1c7c6ae 3149 # 10148: ignoring unknown option -Wno-parentheses
b1598b58 3150 # 10156: ignoring option '-W'; no argument required
88de5b0a 3151 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
b1598b58
MR
3152 # 11030: Warning unknown option --as-needed
3153 # 10156: ignoring option '-export'; no argument required
3154 check_ldflags -wd10156,11030
3155 # Allow to compile with optimizations
3156 check_ldflags -march=$cpu
be2cf98a
CEH
3157 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3158 enable ebp_available
bdefad73 3159 if enabled x86_32; then
47876d66
DB
3160 test ${icc_version%%.*} -ge 11 &&
3161 check_cflags -falign-stack=maintain-16-byte ||
bdefad73
MR
3162 disable aligned_stack
3163 fi
df442a8d
MR
3164elif enabled ccc; then
3165 # disable some annoying warnings
3166 add_cflags -msg_disable cvtu32to64
3167 add_cflags -msg_disable embedcomment
3168 add_cflags -msg_disable needconstext
3169 add_cflags -msg_disable nomainieee
3170 add_cflags -msg_disable ptrmismatch1
3171 add_cflags -msg_disable unreachcode
973859f5
MR
3172elif enabled gcc; then
3173 check_cflags -fno-tree-vectorize
765e6134 3174 check_cflags -Werror=implicit-function-declaration
de63bfec 3175 check_cflags -Werror=missing-prototypes
9d6b2077 3176 check_cflags -Werror=declaration-after-statement
613a4e3f
MR
3177elif enabled llvm_gcc; then
3178 check_cflags -mllvm -stack-alignment=16
06da6943 3179elif enabled clang; then
5c8ef670 3180 check_cflags -mllvm -stack-alignment=16
06da6943 3181 check_cflags -Qunused-arguments
138132be
MR
3182elif enabled armcc; then
3183 # 2523: use of inline assembler is deprecated
bcafde61
MR
3184 add_cflags -W${armcc_opt},--diag_suppress=2523
3185 add_cflags -W${armcc_opt},--diag_suppress=1207
5a92140b 3186 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
b0c1b66a 3187 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
d0ce090e
MR
3188 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3189 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
587d24ff
MR
3190elif enabled tms470; then
3191 add_cflags -pds=824 -pds=837
5f3b8314
MR
3192elif enabled pathscale; then
3193 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
504a64b9
CEH
3194fi
3195
7483e694
DB
3196enabled_any $THREADS_LIST && enable threads
3197
3198check_deps $CONFIG_LIST \