x86: swscale: Place inline assembly code under appropriate #ifdefs
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
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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.
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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
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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
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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
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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
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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
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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]
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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:
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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
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93
94Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102Component options:
06454877 103 --disable-doc do not build documentation
6291d7e4 104 --disable-avconv disable avconv build
266463da 105 --disable-avplay disable avplay build
9e12f0bf 106 --disable-avprobe disable avprobe build
4d58e4cb 107 --disable-avserver disable avserver build
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108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
cccc039f 112 --disable-avfilter disable video filter support [no]
c8af852b 113 --disable-avresample disable libavresample build [no]
0dbfc1db 114 --disable-pthreads disable pthreads [auto]
7b7b220c 115 --disable-w32threads disable Win32 threads [auto]
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116 --enable-x11grab enable X11 grabbing [no]
117 --disable-network disable network support [no]
7f3f5f46 118 --disable-dct disable DCT code
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119 --disable-mdct disable MDCT code
120 --disable-rdft disable RDFT code
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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
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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
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156 --enable-outdev=NAME enable output device NAME
157 --disable-outdev=NAME disable output device NAME
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158 --disable-outdevs disable output devices
159 --disable-devices disable all devices
160 --enable-filter=NAME enable filter NAME
161 --disable-filter=NAME disable filter NAME
162 --disable-filters disable all filters
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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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172 --enable-libfaac enable AAC encoding via libfaac [no]
173 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 174 --enable-libfreetype enable libfreetype [no]
c547e5ff 175 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 176 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 177 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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178 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
179 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
180 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 181 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
7c922411 182 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 183 --enable-librtmp enable RTMP[E] support via librtmp [no]
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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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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]
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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]
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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 [$ELIBS]
218 --extra-version=STRING version string suffix []
3b327a4b 219 --optflags override optimization-related compiler flags
06454877 220 --build-suffix=SUFFIX library name suffix []
3b327a4b 221 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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222 --arch=ARCH select architecture [$arch]
223 --cpu=CPU select the minimum required CPU (affects
224 instruction selection, may crash on older CPUs)
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DB
225 --enable-pic build position-independent code
226 --enable-sram allow use of on-chip SRAM
227 --disable-symver disable symbol versioning
228 --disable-fastdiv disable table-based division
229 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
230 --disable-safe-bitstream-reader
231 disable buffer boundary checking in bitreaders
232 (faster, but may crash)
233 --enable-memalign-hack emulate memalign, interferes with memory debuggers
234
235Optimization options (experts only):
c8a4ae00 236 --disable-asm disable all assembler optimizations
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237 --disable-altivec disable AltiVec optimizations
238 --disable-amd3dnow disable 3DNow! optimizations
239 --disable-amd3dnowext disable 3DNow! extended optimizations
240 --disable-mmx disable MMX optimizations
241 --disable-mmx2 disable MMX2 optimizations
242 --disable-sse disable SSE optimizations
243 --disable-ssse3 disable SSSE3 optimizations
87f1355f 244 --disable-avx disable AVX optimizations
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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
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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 [$debuglevel]
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257 --disable-optimizations disable compiler optimizations
258 --enable-extra-warnings enable more compiler warnings
52b3cc60 259 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 260 \$LIBAV_SAMPLES at make invocation time.
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261 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
262 should be used only for debugging purposes)
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263
264NOTE: Object files are built at the place where configure is launched.
265EOF
60e8bc13 266 exit 0
74c53c2d 267}
cf9d24ad 268
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269quotes='""'
270
57bd82d4 271log(){
2270b4b2 272 echo "$@" >> $logfile
57bd82d4
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273}
274
720c69da 275log_file(){
c8e9f801 276 log BEGIN $1
2270b4b2 277 pr -n -t $1 >> $logfile
c8e9f801
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278 log END $1
279}
280
2ba042a7 281echolog(){
c8e9f801 282 log "$@"
57bd82d4 283 echo "$@"
2ba042a7
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284}
285
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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
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301Rerun configure with logging enabled (do not use --disable-logging), and
302include the log this produces with your report.
2ba042a7
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303EOF
304 else
305cat <<EOF
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306Include the log file "$logfile" produced by configure as this will help
307solving the problem.
2ba042a7
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308EOF
309 fi
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310 exit 1
311}
312
6c6007d6 313# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 314toupper(){
6c6007d6 315 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
316}
317
4a5444db 318tolower(){
6c6007d6 319 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
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320}
321
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MR
322c_escape(){
323 echo "$*" | sed 's/["\\]/\\\0/g'
324}
325
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MR
326sh_quote(){
327 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 328 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
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329 echo "$v"
330}
331
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MR
332cleanws(){
333 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
334}
335
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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
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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
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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
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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
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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
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411enable_weak(){
412 set_weak yes $*
413}
414
415disable_weak(){
416 set_weak no $*
417}
418
72702705 419enable_safe(){
fd07f803
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420 for var; do
421 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
422 done
72702705
MR
423}
424
425disable_safe(){
fd07f803
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426 for var; do
427 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
428 done
72702705
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429}
430
f9d328da
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431do_enable_deep(){
432 for var; do
433 enabled $var && continue
434 eval sel="\$${var}_select"
c510c7b5
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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
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440 popvar var
441 done
442}
443
444enable_deep(){
445 do_enable_deep $*
446 enable $*
447}
448
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449enable_deep_weak(){
450 do_enable_deep $*
451 enable_weak $*
452}
453
57bd82d4 454enabled(){
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455 test "${1#!}" = "$1" && op== || op=!=
456 eval test "x\$${1#!}" $op "xyes"
44161118
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457}
458
37970ebf 459disabled(){
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MR
460 test "${1#!}" = "$1" && op== || op=!=
461 eval test "x\$${1#!}" $op "xno"
37970ebf
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462}
463
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464enabled_all(){
465 for opt; do
466 enabled $opt || return 1
467 done
468}
469
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470disabled_all(){
471 for opt; do
472 disabled $opt || return 1
473 done
474}
475
44161118
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476enabled_any(){
477 for opt; do
478 enabled $opt && return 0
479 done
480}
481
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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
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492 done
493}
494
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495is_in(){
496 value=$1
497 shift
498 for var in $*; do
499 [ $var = $value ] && return 0
500 done
501 return 1
502}
503
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504check_deps(){
505 for cfg; do
3250003c 506 cfg="${cfg#!}"
799c9e9b
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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
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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; }
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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
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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
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564}
565
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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
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575append(){
576 var=$1
577 shift
57bd82d4
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578 eval "$var=\"\$$var $*\""
579}
580
60361817
MR
581prepend(){
582 var=$1
583 shift
584 eval "$var=\"$* \$$var\""
585}
586
50a334e4 587add_cppflags(){
cd52ec95 588 append CPPFLAGS "$@"
50a334e4
MR
589}
590
57bd82d4 591add_cflags(){
01d31e16 592 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
593}
594
2f2e6c7c 595add_asflags(){
01d31e16 596 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
597}
598
57bd82d4 599add_ldflags(){
64933b6c 600 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
601}
602
603add_extralibs(){
64933b6c 604 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
605}
606
6c3fa06a
MR
607add_host_cflags(){
608 append host_cflags $($host_cflags_filter "$@")
609}
610
611add_host_ldflags(){
612 append host_ldflags $($host_ldflags_filter "$@")
613}
614
b0cfb663 615check_cmd(){
b3cb5d51 616 log "$@"
2270b4b2 617 "$@" >> $logfile 2>&1
b0cfb663
MR
618}
619
dcd479c0 620check_cc(){
57bd82d4 621 log check_cc "$@"
2270b4b2 622 cat > $TMPC
720c69da 623 log_file $TMPC
50a334e4 624 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
625}
626
627check_cpp(){
628 log check_cpp "$@"
2270b4b2 629 cat > $TMPC
720c69da 630 log_file $TMPC
9e7f3277 631 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
632}
633
f65883c8
MR
634check_as(){
635 log check_as "$@"
636 cat > $TMPC
637 log_file $TMPC
2f2e6c7c 638 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
639}
640
940f335a
MR
641check_asm(){
642 log check_asm "$@"
643 name="$1"
3784e82e 644 code="$2"
940f335a 645 shift 2
49214f61
MR
646 disable $name
647 check_as "$@" <<EOF && enable $name
3784e82e 648void foo(void){ __asm__ volatile($code); }
940f335a
MR
649EOF
650}
651
304d586d
LM
652check_yasm(){
653 log check_yasm "$@"
654 echo "$1" > $TMPS
655 log_file $TMPS
656 shift 1
657 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
658}
659
dcd479c0 660check_ld(){
57bd82d4 661 log check_ld "$@"
3155a644
MR
662 flags=''
663 libs=''
664 for f; do
665 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
666 done
01d31e16 667 check_cc $($cflags_filter $flags) || return
64933b6c
MR
668 flags=$($ldflags_filter $flags)
669 libs=$($ldflags_filter $libs)
7e75f9fe 670 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
dcd479c0
MR
671}
672
5adc829e
MR
673check_code(){
674 log check_code "$@"
675 check=$1
676 headers=$2
677 code=$3
678 shift 3
679 {
680 for hdr in $headers; do
681 echo "#include <$hdr>"
682 done
683 echo "int main(void) { $code; return 0; }"
684 } | check_$check "$@"
685}
686
50a334e4
MR
687check_cppflags(){
688 log check_cppflags "$@"
caf458dd 689 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
690int x;
691EOF
692}
693
dcd479c0 694check_cflags(){
57bd82d4 695 log check_cflags "$@"
01d31e16 696 set -- $($cflags_filter "$@")
caf458dd 697 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
698int x;
699EOF
700}
701
2ed46eea
MR
702test_ldflags(){
703 log test_ldflags "$@"
704 check_ld "$@" <<EOF
c23a0ac8 705int main(void){ return 0; }
dcd479c0
MR
706EOF
707}
708
2ed46eea
MR
709check_ldflags(){
710 log check_ldflags "$@"
711 test_ldflags "$@" && add_ldflags "$@"
712}
713
dcd479c0 714check_header(){
57bd82d4 715 log check_header "$@"
dcd479c0
MR
716 header=$1
717 shift
b77df637
MR
718 disable_safe $header
719 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
720#include <$header>
721int x;
722EOF
723}
724
725check_func(){
57bd82d4 726 log check_func "$@"
dcd479c0
MR
727 func=$1
728 shift
d8bc5f06
MR
729 disable $func
730 check_ld "$@" <<EOF && enable $func
dcd479c0 731extern int $func();
c23a0ac8 732int main(void){ $func(); }
dcd479c0
MR
733EOF
734}
735
645d2652 736check_mathfunc(){
6b73c0ae 737 log check_mathfunc "$@"
645d2652
MR
738 func=$1
739 shift
740 disable $func
741 check_ld "$@" <<EOF && enable $func
742#include <math.h>
33bd38db
MR
743float foo(float f) { return $func(f); }
744int main(void){ return 0; }
645d2652
MR
745EOF
746}
747
2446d3d6
DB
748check_func_headers(){
749 log check_func_headers "$@"
f8d7b072 750 headers=$1
edaf1ae2 751 funcs=$2
f8d7b072 752 shift 2
edaf1ae2
MR
753 {
754 for hdr in $headers; do
755 echo "#include <$hdr>"
756 done
757 for func in $funcs; do
758 echo "long check_$func(void) { return (long) $func; }"
759 done
760 echo "int main(void) { return 0; }"
761 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
762}
763
a5344cf7
SS
764check_cpp_condition(){
765 log check_cpp_condition "$@"
766 header=$1
767 condition=$2
f855b7b9 768 shift 2
cd52ec95 769 check_cpp "$@" <<EOF
a5344cf7
SS
770#include <$header>
771#if !($condition)
772#error "unsatisfied condition: $condition"
773#endif
774EOF
775}
776
57bd82d4
MR
777check_lib(){
778 log check_lib "$@"
779 header="$1"
780 func="$2"
781 shift 2
84400e9d 782 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
783}
784
f8d7b072
MR
785check_lib2(){
786 log check_lib2 "$@"
787 headers="$1"
edaf1ae2 788 funcs="$2"
f8d7b072 789 shift 2
edaf1ae2 790 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
791}
792
3f8040db
MR
793check_pkg_config(){
794 log check_pkg_config "$@"
795 pkg="$1"
796 headers="$2"
797 funcs="$3"
798 shift 3
799 $pkg_config --exists $pkg || return
800 pkg_cflags=$($pkg_config --cflags $pkg)
801 pkg_libs=$($pkg_config --libs $pkg)
802 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
803 set_safe ${pkg}_cflags $pkg_cflags &&
804 set_safe ${pkg}_libs $pkg_libs
805}
806
dcd479c0 807check_exec(){
2270b4b2 808 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
809}
810
7dfef245 811check_exec_crash(){
5e622c40 812 code=$(cat)
7dfef245
MR
813
814 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
815 # are safe but may not be available everywhere. Thus we use
816 # raise(SIGTERM) instead. The check is run in a subshell so we
817 # can redirect the "Terminated" message from the shell. SIGBUS
818 # is not defined by standard C so it is used conditionally.
819
2270b4b2 820 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
821#include <signal.h>
822static void sighandler(int sig){
823 raise(SIGTERM);
824}
e5af4a11 825int main(void){
7dfef245
MR
826 signal(SIGILL, sighandler);
827 signal(SIGFPE, sighandler);
828 signal(SIGSEGV, sighandler);
829#ifdef SIGBUS
830 signal(SIGBUS, sighandler);
831#endif
832 { $code }
833}
834EOF
835}
836
72be9e73
DY
837check_type(){
838 log check_type "$@"
839 headers=$1
840 type=$2
841 shift 2
ae550ce9 842 disable_safe "$type"
5adc829e 843 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
844}
845
14d36751
MR
846check_struct(){
847 log check_type "$@"
848 headers=$1
849 struct=$2
850 member=$3
851 shift 3
852 disable_safe "${struct}_${member}"
5adc829e
MR
853 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
854 enable_safe "${struct}_${member}"
14d36751
MR
855}
856
57bd82d4
MR
857require(){
858 name="$1"
859 header="$2"
860 func="$3"
861 shift 3
862 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
863}
864
f8d7b072
MR
865require2(){
866 name="$1"
867 headers="$2"
868 func="$3"
869 shift 3
870 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
871}
872
3f8040db
MR
873require_pkg_config(){
874 pkg="$1"
875 check_pkg_config "$@" || die "ERROR: $pkg not found"
876 add_cflags $(get_safe ${pkg}_cflags)
877 add_extralibs $(get_safe ${pkg}_libs)
878}
879
f0125de9
MR
880check_host_cc(){
881 log check_host_cc "$@"
882 cat > $TMPC
883 log_file $TMPC
884 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
885}
886
887check_host_cflags(){
888 log check_host_cflags "$@"
6c3fa06a 889 set -- $($host_cflags_filter "$@")
f0125de9
MR
890 check_host_cc "$@" <<EOF && append host_cflags "$@"
891int x;
892EOF
893}
894
c505dd31
MR
895apply(){
896 file=$1
897 shift
898 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
899}
900
c34681df 901cp_if_changed(){
5e27ec28
MR
902 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
903 mkdir -p "$(dirname $2)"
904 cp -f "$1" "$2"
c34681df
MR
905}
906
dcd61286
DB
907# CONFIG_LIST contains configurable options, while HAVE_LIST is for
908# system-dependent things.
909
4a0d6686
AJ
910COMPONENT_LIST="
911 bsfs
912 decoders
913 demuxers
914 encoders
3cde40aa 915 filters
5666fd73 916 hwaccels
c552605c 917 indevs
4a0d6686 918 muxers
c552605c 919 outdevs
4a0d6686
AJ
920 parsers
921 protocols
922"
923
055c61b8
DB
924PROGRAM_LIST="
925 avconv
926 avplay
927 avprobe
928 avserver
055c61b8
DB
929"
930
4a0d6686
AJ
931CONFIG_LIST="
932 $COMPONENT_LIST
055c61b8 933 $PROGRAM_LIST
a5444fee 934 ac3dsp
5a0f7131
MR
935 avcodec
936 avdevice
f7679c54 937 avfilter
5a0f7131 938 avformat
c8af852b 939 avresample
c88f5d72 940 avisynth
f402916e 941 bzlib
7f3f5f46 942 dct
c73f65d9 943 doc
05aec7bb 944 dwt
92c6a099 945 dxva2
27a9466b 946 fastdiv
1848f7d9 947 fft
47941088 948 frei0r
bc8c1395 949 gnutls
c88f5d72 950 gpl
d8d0d0b2 951 gray
3abe5fbd 952 hardcoded_tables
e417d80d 953 libcdio
f7b8bffe 954 libdc1394
2eed5a46 955 libfaac
37eeb5e2 956 libfdk_aac
a5b64584 957 libfreetype
c88f5d72 958 libgsm
3641b048 959 libilbc
6ebe07fb 960 libmp3lame
0b175caa
DB
961 libopencore_amrnb
962 libopencore_amrwb
6ebf0bfc 963 libopencv
9a77d59a 964 libopenjpeg
0de9c41f 965 libpulse
0f943ce6 966 librtmp
f7cd9eed 967 libschroedinger
ae14f311 968 libspeex
150d2772 969 libtheora
d89e738a 970 libvo_aacenc
f502ff3f 971 libvo_amrwbenc
c88f5d72 972 libvorbis
8299a7f8 973 libvpx
1cc60c47 974 libx264
de295976 975 libxavs
1cc60c47 976 libxvid
b781cc12 977 lsp
47a158cb 978 mdct
c88f5d72 979 memalign_hack
c4f5c2d6 980 mpegaudiodsp
c88f5d72 981 network
3fe142e2 982 nonfree
a060866f 983 openssl
8a3c8627 984 pic
68602540 985 rdft
44b70ce5 986 rtpdec
e90f5b5a 987 runtime_cpudetect
8cfbbd92 988 safe_bitstream_reader
2e35e684 989 shared
4538729a 990 sinewin
bd2216e4 991 small
6b35d421 992 sram
2e35e684 993 static
5a0f7131 994 swscale
a9ddb5b1 995 swscale_alpha
8986fddc 996 thumb
17492d5e 997 vaapi
ac3dbb4d 998 vda
17492d5e 999 vdpau
9cad0e4e 1000 version3
7e4d9d5d 1001 xmm_clobber_test
56a059ac 1002 x11grab
c88f5d72 1003 zlib
4a0d6686 1004"
c88f5d72 1005
8eee7025 1006THREADS_LIST='
8eee7025
DB
1007 pthreads
1008 w32threads
1009'
1010
3f5b56e5
MR
1011ARCH_LIST='
1012 alpha
a2fc0f6a 1013 arm
fdcd782d
MR
1014 avr32
1015 avr32_ap
1016 avr32_uc
3f5b56e5
MR
1017 bfin
1018 ia64
1019 m68k
1020 mips
bae3abb0 1021 mips64
3f5b56e5 1022 parisc
79cb09b2 1023 ppc
34d11b87 1024 ppc64
3f5b56e5
MR
1025 s390
1026 sh4
1027 sparc
1028 sparc64
0844bae1 1029 tomi
3f5b56e5
MR
1030 x86
1031 x86_32
1032 x86_64
1033'
1034
1035ARCH_EXT_LIST='
1ac9331a 1036 altivec
3bf96eec 1037 amd3dnow
a1ef9f08 1038 amd3dnowext
1ac9331a 1039 armv5te
edab3048 1040 armv6
ab5cb084 1041 armv6t2
f55b299a 1042 armvfp
87f1355f 1043 avx
3f5b56e5
MR
1044 mmi
1045 mmx
d7f0920b 1046 mmx2
6b18d278 1047 neon
799fde37 1048 ppc4xx
1bb04d5a 1049 sse
9eeed841 1050 ssse3
93eb8e4d 1051 vfpv3
bd9d34a0 1052 vis
3f5b56e5
MR
1053'
1054
a3e02a8c
MR
1055HAVE_LIST_PUB='
1056 bigendian
d268eee9 1057 fast_unaligned
a3e02a8c
MR
1058'
1059
3f5b56e5
MR
1060HAVE_LIST="
1061 $ARCH_EXT_LIST
a3e02a8c 1062 $HAVE_LIST_PUB
3f5b56e5 1063 $THREADS_LIST
be1a839c 1064 aligned_malloc
59782b82 1065 aligned_stack
35fd8122 1066 alsa_asoundlib_h
3f5b56e5 1067 altivec_h
c9fdab0d 1068 arpa_inet_h
6308729e 1069 asm_mod_y
dffb41b9 1070 attribute_may_alias
e7ea5e3d 1071 attribute_packed
15333562 1072 cbrtf
ecf97f22 1073 closesocket
1ac9331a 1074 cmov
c0ee695b 1075 cpuid
c88f5d72 1076 dcbzl
f8aa696f
DB
1077 dev_bktr_ioctl_bt848_h
1078 dev_bktr_ioctl_meteor_h
1079 dev_ic_bt8xx_h
f8aa696f 1080 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1081 dev_video_meteor_ioctl_meteor_h
18b67ae5 1082 dlfcn_h
c88f5d72 1083 dlopen
bc574408 1084 dos_paths
fa845061 1085 dxva_h
245626d0
DB
1086 ebp_available
1087 ebx_available
6b7c7703
VS
1088 exp2
1089 exp2f
c2a29455 1090 fast_64bit
669b5583 1091 fast_clz
7073e9fc 1092 fast_cmov
534a2231 1093 fcntl
9d99cc5a 1094 fork
84882df6 1095 getaddrinfo
da9e86f8 1096 gethrtime
667fb97a 1097 getopt
02e8f427 1098 GetProcessAffinityMask
fc5607f8 1099 GetProcessMemoryInfo
4e68cb8a 1100 GetProcessTimes
61183b5a 1101 GetSystemTimeAsFileTime
66be5b45 1102 getrusage
61183b5a 1103 gettimeofday
a49d3025 1104 gnu_as
2f0c136e 1105 ibm_asm
2e1913b1 1106 inet_aton
61d251db 1107 inline_asm
3b1ab197 1108 io_h
abfc8d05 1109 isatty
46df708b
MS
1110 isinf
1111 isnan
8772997d 1112 jack_port_get_latency_range
9f5ff83f 1113 ldbrx
0b4a1821
AS
1114 libdc1394_1
1115 libdc1394_2
a33cab3a 1116 llrint
07876e25 1117 llrintf
d96cd429
MR
1118 local_aligned_16
1119 local_aligned_8
a5b64584 1120 localtime_r
291fd18a 1121 log2
6b7c7703 1122 log2f
85dd97ad 1123 loongson
a33cab3a 1124 lrint
c88f5d72 1125 lrintf
f8aa696f
DB
1126 machine_ioctl_bt848_h
1127 machine_ioctl_meteor_h
c88f5d72 1128 malloc_h
73f6d31e 1129 MapViewOfFile
c88f5d72 1130 memalign
6ffa87d3 1131 mkstemp
f80ddd5b 1132 mm_empty
0328b9ea 1133 mmap
d3d3a32c 1134 nanosleep
5699884c 1135 netinet_sctp_h
3e0b1c9a 1136 poll_h
1f91cdce 1137 posix_memalign
07b28702 1138 rdtsc
183b1c22 1139 rint
a33cab3a
MK
1140 round
1141 roundf
358d854d 1142 rweflags
ea4d5f48 1143 sched_getaffinity
c88f5d72
MR
1144 sdl
1145 sdl_video_size
b507ebd1 1146 setmode
3e0b1c9a 1147 setrlimit
d3d3a32c 1148 Sleep
15d59d2c 1149 sndio_h
72be9e73 1150 socklen_t
deb29777 1151 soundcard_h
87958234 1152 strerror_r
6379900c 1153 strptime
47941088 1154 strtok_r
c0018613 1155 struct_addrinfo
75d339e0
MS
1156 struct_group_source_req
1157 struct_ip_mreq_source
b4d68544 1158 struct_ipv6_mreq
cdee08e3 1159 struct_pollfd
3e0b1c9a 1160 struct_rusage_ru_maxrss
b4d68544 1161 struct_sockaddr_in6
3b2372bf 1162 struct_sockaddr_sa_len
33a4dbdd 1163 struct_sockaddr_storage
a6a4793d 1164 struct_v4l2_frmivalenum_discrete
b462d132 1165 symver
b462d132 1166 symver_asm_label
3e0b1c9a 1167 symver_gnu_asm
bcc73960 1168 sysconf
b9e22269 1169 sysctl
b58412f1 1170 sys_mman_h
06bb5905 1171 sys_param_h
b091aa44 1172 sys_resource_h
81644c2e 1173 sys_select_h
deb29777 1174 sys_soundcard_h
e64bceea 1175 sys_time_h
1b6e8b73 1176 sys_videoio_h
b265431e 1177 threads
23d3931a 1178 trunc
7b04b8a0 1179 truncf
542920b7 1180 unistd_h
d3d3a32c 1181 usleep
ce742de2 1182 vfp_args
7c5bfe7a 1183 VirtualAlloc
d3d3a32c 1184 windows_h
6ff3f3e7 1185 winsock2_h
cc078b5d 1186 xform_asm
3f150ffb 1187 xgetbv
6f74fb03 1188 xmm_clobbers
304d586d 1189 yasm
0cb78cef 1190"
44161118 1191
b6bb00b0
MR
1192# options emitted with CONFIG_ prefix but not available on command line
1193CONFIG_EXTRA="
478fd534 1194 aandct
dc4f5a1c 1195 avutil
478fd534 1196 golomb
9cad0e4e 1197 gplv3
478fd534
DB
1198 h264chroma
1199 h264dsp
1200 h264pred
915a2a0a 1201 h264qpel
478fd534 1202 huffman
9cad0e4e 1203 lgplv3
478fd534 1204 lpc
ab9f9876 1205 vp3dsp
b6bb00b0
MR
1206"
1207
520cc7f1 1208CMDLINE_SELECT="
3f5b56e5 1209 $ARCH_EXT_LIST
520cc7f1 1210 $CONFIG_LIST
8eee7025 1211 $THREADS_LIST
c8a4ae00 1212 asm
db6107b6 1213 cross_compile
520cc7f1
MR
1214 debug
1215 extra_warnings
8c6afa4d 1216 logging
d2bbb2f7 1217 optimizations
9baec618 1218 symver
7595a5e4 1219 yasm
520cc7f1 1220"
426be5dc
DB
1221
1222PATHS_LIST='
d156bede 1223 bindir
14a8acf1 1224 datadir
26759c44
MR
1225 incdir
1226 libdir
26759c44
MR
1227 mandir
1228 prefix
1229 shlibdir
426be5dc
DB
1230'
1231
1232CMDLINE_SET="
1233 $PATHS_LIST
121d78d0 1234 ar
426be5dc 1235 arch
313c46a6 1236 as
426be5dc
DB
1237 build_suffix
1238 cc
1239 cpu
1240 cross_prefix
50567afa 1241 dep_cc
ac63af34 1242 extra_version
9da6609f
MR
1243 host_cc
1244 host_cflags
1245 host_ldflags
1246 host_libs
82bb3329 1247 host_os
684b28e0 1248 ld
426be5dc 1249 logfile
4ae40685 1250 malloc_prefix
89641463 1251 nm
9cd7b854 1252 optflags
3f8040db 1253 pkg_config
2fad0977 1254 samples
c5200f17
MR
1255 sysinclude
1256 sysroot
a7ada2ba 1257 target_exec
26759c44 1258 target_os
a7ada2ba 1259 target_path
426be5dc 1260"
520cc7f1 1261
89f2932b
MR
1262CMDLINE_APPEND="
1263 extra_cflags
1264"
1265
912f3148
DB
1266# code dependency declarations
1267
9eeed841 1268# architecture extensions
808fa33c 1269
a2fc0f6a
MR
1270armv5te_deps="arm"
1271armv6_deps="arm"
ab5cb084 1272armv6t2_deps="arm"
a2fc0f6a 1273armvfp_deps="arm"
808fa33c 1274neon_deps="arm"
93eb8e4d 1275vfpv3_deps="armvfp"
808fa33c 1276
e241ba14 1277mmi_deps="mips"
808fa33c
MR
1278
1279altivec_deps="ppc"
1280ppc4xx_deps="ppc"
1281
1282vis_deps="sparc"
1283
7f8c3d1f 1284x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1285amd3dnow_deps="mmx"
1286amd3dnowext_deps="amd3dnow"
9eeed841 1287mmx_deps="x86"
75aa95a6 1288mmx2_deps="mmx"
75aa95a6
DB
1289sse_deps="mmx"
1290ssse3_deps="sse"
87f1355f 1291avx_deps="ssse3"
9eeed841 1292
59782b82 1293aligned_stack_if_any="ppc x86"
e939cedd 1294fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1295fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1296fast_unaligned_if_any="armv6 ppc x86"
669b5583 1297
6fec122a 1298inline_asm_deps="!tms470"
3e0b1c9a 1299need_memalign="altivec neon sse"
89e053f8 1300
b462d132
MR
1301symver_if_any="symver_asm_label symver_gnu_asm"
1302
26fbcc85 1303# subsystems
dc609252 1304dct_select="rdft"
26fbcc85
MR
1305mdct_select="fft"
1306rdft_select="fft"
c4f5c2d6 1307mpegaudiodsp_select="dct"
26fbcc85 1308
5666fd73 1309# decoders / encoders / hardware accelerators
cfc2a0cf 1310aac_decoder_select="mdct sinewin"
4538729a 1311aac_encoder_select="mdct sinewin"
136e19e1 1312aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1313ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1314ac3_encoder_select="mdct ac3dsp"
3d269059 1315ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1316alac_encoder_select="lpc"
b781cc12 1317amrnb_decoder_select="lsp"
2b2a597e 1318amrwb_decoder_select="lsp"
4538729a 1319atrac1_decoder_select="mdct sinewin"
26fbcc85 1320atrac3_decoder_select="mdct"
a33657ce
DB
1321binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1322binkaudio_rdft_decoder_select="mdct rdft sinewin"
4f034993 1323cavs_decoder_select="golomb"
4538729a 1324cook_decoder_select="mdct sinewin"
2eef7c62 1325cscd_decoder_suggest="zlib"
26fbcc85 1326dca_decoder_select="mdct"
e8ed9b7a 1327dnxhd_encoder_select="aandct"
2eef7c62 1328dxa_decoder_select="zlib"
baf91bb9 1329eac3_decoder_select="ac3_decoder"
aa47c35d 1330eac3_encoder_select="mdct ac3dsp"
84c04e25 1331eamad_decoder_select="aandct"
e8ed9b7a 1332eatgq_decoder_select="aandct"
d52b39c7 1333eatqi_decoder_select="aandct"
4f034993
MR
1334ffv1_decoder_select="golomb"
1335flac_decoder_select="golomb"
f4d608e3 1336flac_encoder_select="golomb lpc"
2eef7c62
AJ
1337flashsv_decoder_select="zlib"
1338flashsv_encoder_select="zlib"
c2d23309 1339flashsv2_decoder_select="zlib"
4414137e 1340flv_decoder_select="h263_decoder"
4d4b4bd1 1341flv_encoder_select="h263_encoder"
3447f12d 1342fraps_decoder_select="huffman"
e8ed9b7a 1343h261_encoder_select="aandct"
7f647ae0 1344h263_decoder_select="h263_parser"
e8ed9b7a 1345h263_encoder_select="aandct"
95a61cfc 1346h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1347h263i_decoder_select="h263_decoder"
fe629c2d 1348h263p_encoder_select="h263_encoder"
915a2a0a 1349h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
92c6a099
LA
1350h264_dxva2_hwaccel_deps="dxva2api_h"
1351h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1352h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1353h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1354h264_vdpau_decoder_select="vdpau h264_decoder"
19be0f3c 1355iac_decoder_select="fft mdct sinewin"
56c8227d 1356imc_decoder_select="fft mdct sinewin"
4f034993
MR
1357jpegls_decoder_select="golomb"
1358jpegls_encoder_select="golomb"
e8ed9b7a 1359ljpeg_encoder_select="aandct"
4f034993 1360loco_decoder_select="golomb"
e8ed9b7a 1361mjpeg_encoder_select="aandct"
2cca233b 1362mlp_decoder_select="mlp_parser"
c4f5c2d6 1363mp1_decoder_select="mpegaudiodsp"
c4f5c2d6 1364mp1float_decoder_select="mpegaudiodsp"
3e0b1c9a 1365mp2_decoder_select="mpegaudiodsp"
c4f5c2d6 1366mp2float_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1367mp3_decoder_select="mpegaudiodsp"
1368mp3adu_decoder_select="mpegaudiodsp"
c4f5c2d6
MR
1369mp3adufloat_decoder_select="mpegaudiodsp"
1370mp3float_decoder_select="mpegaudiodsp"
3e0b1c9a 1371mp3on4_decoder_select="mpegaudiodsp"
c4f5c2d6 1372mp3on4float_decoder_select="mpegaudiodsp"
606c9297
DB
1373mpc7_decoder_select="mpegaudiodsp"
1374mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1375mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1376mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1377mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1378mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
3e0b1c9a 1379mpeg1video_encoder_select="aandct"
164aab02
LA
1380mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1381mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1382mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
3e0b1c9a
DB
1383mpeg2video_encoder_select="aandct"
1384mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1385mpeg4_encoder_select="h263_encoder"
95a61cfc 1386mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1387mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1388msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1389msmpeg4v1_encoder_select="h263_encoder"
4414137e 1390msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1391msmpeg4v2_encoder_select="h263_encoder"
4414137e 1392msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1393msmpeg4v3_encoder_select="h263_encoder"
4538729a
MR
1394nellymoser_decoder_select="mdct sinewin"
1395nellymoser_encoder_select="mdct sinewin"
2eef7c62
AJ
1396png_decoder_select="zlib"
1397png_encoder_select="zlib"
b781cc12 1398qcelp_decoder_select="lsp"
c4f5c2d6 1399qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1400ra_144_encoder_select="lpc"
9f43fdda 1401ralf_decoder_select="golomb"
a8beb22f 1402rv10_decoder_select="h263_decoder"
b2bf38b4 1403rv10_encoder_select="h263_encoder"
a8beb22f 1404rv20_decoder_select="h263_decoder"
b2bf38b4 1405rv20_encoder_select="h263_encoder"
915a2a0a
DB
1406rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1407rv40_decoder_select="golomb h264chroma h264pred h264qpel"
4f034993 1408shorten_decoder_select="golomb"
b781cc12 1409sipr_decoder_select="lsp"
05aec7bb
MR
1410snow_decoder_select="dwt"
1411snow_encoder_select="aandct dwt"
19ecfb8a 1412svq1_encoder_select="aandct"
915a2a0a 1413svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
bee2eac5 1414svq3_decoder_suggest="zlib"
4eef77c1 1415theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1416tiff_decoder_suggest="zlib"
1417tiff_encoder_suggest="zlib"
aec09a00 1418truehd_decoder_select="mlp_decoder"
2eef7c62 1419tscc_decoder_select="zlib"
4538729a 1420twinvq_decoder_select="mdct lsp sinewin"
915a2a0a 1421vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1422vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1423vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1424vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1425vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1426vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1427vorbis_decoder_select="mdct"
1428vorbis_encoder_select="mdct"
ab9f9876
MR
1429vp3_decoder_select="vp3dsp"
1430vp5_decoder_select="vp3dsp"
1431vp6_decoder_select="huffman vp3dsp"
e82dc4c9
DB
1432vp6a_decoder_select="vp6_decoder"
1433vp6f_decoder_select="vp6_decoder"
915a2a0a 1434vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1435wmapro_decoder_select="mdct sinewin"
1436wmav1_decoder_select="mdct sinewin"
1437wmav1_encoder_select="mdct sinewin"
1438wmav2_decoder_select="mdct sinewin"
1439wmav2_encoder_select="mdct sinewin"
1440wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1441wmv1_decoder_select="h263_decoder"
665507aa 1442wmv1_encoder_select="h263_encoder"
f95bfab0 1443wmv2_decoder_select="h263_decoder"
1746e2a9 1444wmv2_encoder_select="h263_encoder"
015f8ee0 1445wmv3_decoder_select="vc1_decoder"
f0f86627 1446wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1447wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1448wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1449wmv3image_decoder_select="wmv3_decoder"
0e714f88 1450zerocodec_decoder_select="zlib"
2eef7c62
AJ
1451zlib_decoder_select="zlib"
1452zlib_encoder_select="zlib"
1453zmbv_decoder_select="zlib"
1454zmbv_encoder_select="zlib"
30fd06be 1455
0afab17e 1456vaapi_deps="va_va_h"
ac3dbb4d 1457vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1458vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1459
28b80940 1460# parsers
6a7c5312 1461h264_parser_select="golomb h264dsp h264pred"
28b80940 1462
912f3148 1463# external libraries
c9171a83 1464libfaac_encoder_deps="libfaac"
37eeb5e2 1465libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1466libgsm_decoder_deps="libgsm"
1467libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1468libgsm_ms_decoder_deps="libgsm"
1469libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1470libilbc_decoder_deps="libilbc"
1471libilbc_encoder_deps="libilbc"
1cc60c47 1472libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1473libopencore_amrnb_decoder_deps="libopencore_amrnb"
1474libopencore_amrnb_encoder_deps="libopencore_amrnb"
1475libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1476libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1477libopenjpeg_encoder_deps="libopenjpeg"
f7cd9eed
AS
1478libschroedinger_decoder_deps="libschroedinger"
1479libschroedinger_encoder_deps="libschroedinger"
ae14f311 1480libspeex_decoder_deps="libspeex"
b606a017 1481libspeex_encoder_deps="libspeex"
150d2772 1482libtheora_encoder_deps="libtheora"
d89e738a 1483libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1484libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1485libvorbis_encoder_deps="libvorbis"
8299a7f8 1486libvpx_decoder_deps="libvpx"
ee0e9146 1487libvpx_encoder_deps="libvpx"
1cc60c47 1488libx264_encoder_deps="libx264"
de295976 1489libxavs_encoder_deps="libxavs"
1cc60c47 1490libxvid_encoder_deps="libxvid"
30fd06be 1491
912f3148 1492# demuxers / muxers
c2dd0e9e 1493ac3_demuxer_select="ac3_parser"
647c2356 1494asf_stream_muxer_select="asf_muxer"
4e622dea 1495avisynth_demuxer_deps="avisynth"
c2dd0e9e 1496dirac_demuxer_select="dirac_parser"
5b423887 1497eac3_demuxer_select="ac3_parser"
c2dd0e9e 1498flac_demuxer_select="flac_parser"
647c2356 1499ipod_muxer_select="mov_muxer"
647c2356 1500matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1501matroska_demuxer_suggest="zlib bzlib"
1502mov_demuxer_suggest="zlib"
c2dd0e9e 1503mp3_demuxer_select="mpegaudio_parser"
647c2356 1504mp4_muxer_select="mov_muxer"
2439bd86 1505mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1506mpegtsraw_demuxer_select="mpegts_demuxer"
1507mxf_d10_muxer_select="mxf_muxer"
24ca518b 1508ogg_demuxer_select="golomb"
647c2356 1509psp_muxer_select="mov_muxer"
44594cc7 1510rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1511rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1512rtsp_demuxer_select="http_protocol rtpdec"
1513rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1514sap_demuxer_select="sdp_demuxer"
2aab70c4 1515sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1516sdp_demuxer_select="rtpdec"
f1e94694 1517spdif_muxer_select="aac_parser"
647c2356
DB
1518tg2_muxer_select="mov_muxer"
1519tgp_muxer_select="mov_muxer"
6bdaa5f4 1520w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1521
1522# indevs / outdevs
38e54a75 1523alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1524alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1525bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1526dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1527fbdev_indev_deps="linux_fb_h"
38e54a75 1528jack_indev_deps="jack_jack_h"
e417d80d 1529libcdio_indev_deps="libcdio"
38e54a75 1530libdc1394_indev_deps="libdc1394"
38e54a75
SS
1531oss_indev_deps_any="soundcard_h sys_soundcard_h"
1532oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1533pulse_indev_deps="libpulse"
15d59d2c
B
1534sndio_indev_deps="sndio_h"
1535sndio_outdev_deps="sndio_h"
38e54a75 1536v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1537vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1538vfwcap_indev_extralibs="-lavicap32"
38e54a75 1539x11_grab_device_indev_deps="x11grab XShmCreateImage"
30fd06be 1540
912f3148 1541# protocols
775c4d36
SP
1542ffrtmphttp_protocol_deps="!librtmp_protocol"
1543ffrtmphttp_protocol_select="http_protocol"
3fff6382 1544gopher_protocol_deps="network"
c40e1757
JS
1545httpproxy_protocol_deps="network"
1546httpproxy_protocol_select="tcp_protocol"
c08fb000 1547http_protocol_deps="network"
279a0c97 1548http_protocol_select="tcp_protocol"
183baead 1549https_protocol_select="tls_protocol"
c3b57d6e
DB
1550librtmp_protocol_deps="librtmp"
1551librtmpe_protocol_deps="librtmp"
1552librtmps_protocol_deps="librtmp"
1553librtmpt_protocol_deps="librtmp"
1554librtmpte_protocol_deps="librtmp"
c60a2d70 1555mmsh_protocol_select="http_protocol"
b4cf3f6c 1556mmst_protocol_deps="network"
c3b57d6e 1557rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1558rtmp_protocol_select="tcp_protocol"
6aedabc9
SP
1559rtmps_protocol_deps="!librtmp_protocol"
1560rtmps_protocol_select="tls_protocol"
775c4d36 1561rtmpt_protocol_select="ffrtmphttp_protocol"
86991ce2 1562rtmpts_protocol_select="ffrtmphttp_protocol"
deeb7012 1563rtp_protocol_select="udp_protocol"
5699884c 1564sctp_protocol_deps="network netinet_sctp_h"
c08fb000 1565tcp_protocol_deps="network"
558d192d
MS
1566tls_protocol_deps_any="openssl gnutls"
1567tls_protocol_select="tcp_protocol"
c08fb000
AB
1568udp_protocol_deps="network"
1569
6ebf0bfc 1570# filters
13fabd7a 1571blackframe_filter_deps="gpl"
ce6b6ef6 1572boxblur_filter_deps="gpl"
68b79bfc 1573cropdetect_filter_deps="gpl"
b157be1f 1574delogo_filter_deps="gpl"
a5b64584 1575drawtext_filter_deps="libfreetype"
2e5ff4d0 1576frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1577frei0r_filter_extralibs='$ldl'
a42bb9d6 1578frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1579frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1580hqdn3d_filter_deps="gpl"
d371e7b9 1581resample_filter_deps="avresample"
cf69ad35 1582ocv_filter_deps="libopencv"
2f296e39 1583scale_filter_deps="swscale"
acbac567 1584yadif_filter_deps="gpl"
6ebf0bfc 1585
5a0f7131
MR
1586# libraries
1587avdevice_deps="avcodec avformat"
1588avformat_deps="avcodec"
f7679c54 1589
912f3148 1590# programs
ce03b088
AK
1591avconv_deps="avcodec avfilter avformat avresample swscale
1592 aformat_filter asyncts_filter
1593 format_filter fps_filter scale_filter setpts_filter"
266463da
AK
1594avplay_deps="avcodec avformat swscale sdl"
1595avplay_select="rdft"
9e12f0bf 1596avprobe_deps="avcodec avformat"
b263bf66 1597avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1598avserver_extralibs='$ldl'
a2830dca 1599
c73f65d9 1600doc_deps="texi2html"
912f3148 1601
57442411
MR
1602# tests
1603
1604test_deps(){
1605 suf1=$1
1606 suf2=$2
1607 shift 2
1608 for v; do
1609 dep=${v%=*}
1610 tests=${v#*=}
1611 for name in ${tests}; do
908f12f3 1612 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
57442411
MR
1613 done
1614 done
1615}
1616
908f12f3
MR
1617seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1618
57442411
MR
1619test_deps _muxer _demuxer \
1620 aiff \
1621 pcm_alaw=alaw \
1622 asf \
1623 au \
1624 avi \
1625 dv=dv_fmt \
1626 ffm \
1627 flv=flv_fmt \
1628 gxf \
1629 matroska=mkv \
1630 mmf \
1631 mov \
1632 pcm_mulaw=mulaw \
0218808d 1633 mxf="mxf mxf_d10" \
57442411
MR
1634 nut \
1635 ogg \
1636 rawvideo=pixfmt \
1637 rm \
1638 swf \
1639 mpegts=ts \
1640 voc \
1641 wav \
1642 yuv4mpegpipe=yuv4mpeg \
1643
1644mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
9c261f83 1645
de6d9b64 1646# default parameters
8a608357 1647
19bd477d 1648logfile="config.log"
8a608357
MR
1649
1650# installation paths
c9d19248
MR
1651prefix_default="/usr/local"
1652bindir_default='${prefix}/bin'
6291d7e4 1653datadir_default='${prefix}/share/avconv'
c9d19248
MR
1654incdir_default='${prefix}/include'
1655libdir_default='${prefix}/lib'
1656mandir_default='${prefix}/share/man'
1657shlibdir_default="$libdir_default"
8a608357
MR
1658
1659# toolchain
121d78d0 1660ar_default="ar"
13c7df3d 1661cc_default="gcc"
9da6609f 1662host_cc_default="gcc"
11e6d03a 1663ln_s="ln -sf"
89641463 1664nm_default="nm"
11e6d03a 1665objformat="elf"
3f8040db 1666pkg_config_default=pkg-config
be7109c1 1667ranlib="ranlib"
11e6d03a 1668yasmexe="yasm"
8a608357 1669
8182dc34 1670nm_opts='-g'
3e0b1c9a 1671nogas=":"
8182dc34 1672
8a608357 1673# machine
8d4c00ed 1674arch_default=$(uname -m)
38d0a8aa 1675cpu="generic"
8a608357 1676
8a608357 1677# OS
8d4c00ed
MR
1678target_os_default=$(tolower $(uname -s))
1679host_os=$target_os_default
8a608357 1680
8a608357 1681# configurable options
055c61b8
DB
1682enable $PROGRAM_LIST
1683
5a0f7131
MR
1684enable avcodec
1685enable avdevice
cccc039f 1686enable avfilter
5a0f7131 1687enable avformat
c8af852b 1688enable avresample
dc4f5a1c 1689enable avutil
3e0b1c9a
DB
1690enable swscale
1691
3e0b1c9a
DB
1692enable asm
1693enable debug
1694enable doc
1695enable fastdiv
497237c7 1696enable network
8400d6b8 1697enable optimizations
8cfbbd92 1698enable safe_bitstream_reader
530dc538 1699enable static
a9ddb5b1 1700enable swscale_alpha
8a608357 1701
8a608357 1702# build settings
9987769a 1703SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1704AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1705LIBPREF="lib"
1706LIBSUF=".a"
c5f14466
RP
1707FULLNAME='$(NAME)$(BUILDSUF)'
1708LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1709SLIBPREF="lib"
1710SLIBSUF=".so"
c5f14466 1711SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1712SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1713SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1714LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1715SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1716SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1717
68485d1f
MR
1718asflags_filter=echo
1719cflags_filter=echo
64933b6c
MR
1720ldflags_filter=echo
1721
bc877faf 1722AS_O='-o $@'
7e6c86e6
MR
1723CC_O='-o $@'
1724
1d01fee9 1725host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1726host_libs='-lm'
6c3fa06a
MR
1727host_cflags_filter=echo
1728host_ldflags_filter=echo
9da6609f 1729
9b861379 1730target_path='$(CURDIR)'
a7ada2ba 1731
a158446b
MR
1732# since the object filename is not given with the -MM flag, the compiler
1733# is only able to print the basename, and we must add the path ourselves
c1c3933a 1734DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1735DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1736
c597172e 1737# find source path
24524f36 1738if test -f configure; then
f038cf3c 1739 source_path=.
c597172e 1740else
8477f2de 1741 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1742 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1743 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1744 test -e "$source_path/config.h" &&
1745 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1746fi
1747
13cbe2c0 1748for v in "$@"; do
b04251c5
MR
1749 r=${v#*=}
1750 l=${v%"$r"}
1751 r=$(sh_quote "$r")
29ba0911 1752 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1753done
c597172e 1754
73ef8980
MR
1755find_things(){
1756 thing=$1
1757 pattern=$2
1758 file=$source_path/$3
932ccf39 1759 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1760}
1761
1762ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1763DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1764HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1765PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1766BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1767MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1768DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1769OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1770INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1771PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1772FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1773
54e75be4
DB
1774ALL_COMPONENTS="
1775 $BSF_LIST
1776 $DECODER_LIST
1777 $DEMUXER_LIST
1778 $ENCODER_LIST
1779 $FILTER_LIST
1780 $HWACCEL_LIST
1781 $INDEV_LIST
1782 $MUXER_LIST
1783 $OUTDEV_LIST
1784 $PARSER_LIST
1785 $PROTOCOL_LIST
1786"
1787
57442411 1788find_tests(){
b9d5f1b7 1789 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
57442411
MR
1790}
1791
57442411 1792LAVF_TESTS=$(find_tests lavf)
48c28162 1793LAVFI_TESTS=$(find_tests lavfi)
b9d5f1b7 1794SEEK_TESTS=$(find_tests seek seek_)
57442411 1795
7263cd55 1796ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
40fe5019 1797
8469ae22
MR
1798for n in $COMPONENT_LIST; do
1799 v=$(toupper ${n%s})_LIST
1800 eval enable \$$v
1801 eval ${n}_if_any="\$$v"
1802done
1803
54e75be4 1804enable $ARCH_EXT_LIST $ALL_TESTS
c597172e
MR
1805
1806die_unknown(){
1807 echo "Unknown option \"$1\"."
1808 echo "See $0 --help for available options."
1809 exit 1
1810}
1811
794f8e97 1812show_list() {
bf0c4afa
RP
1813 suffix=_$1
1814 shift
2b444ea7 1815 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1816 exit 0
1817}
1818
c597172e 1819for opt do
7483e694
DB
1820 optval="${opt#*=}"
1821 case "$opt" in
0f010b2f 1822 --extra-ldflags=*) add_ldflags $optval
7483e694 1823 ;;
0f010b2f 1824 --extra-libs=*) add_extralibs $optval
7483e694 1825 ;;
8fb1cb58 1826 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1827 ;;
40bcf4c7
BL
1828 --enable-debug=*) debuglevel="$optval"
1829 ;;
36e2dea0 1830 --disable-everything)
1b15dc3c 1831 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1832 ;;
7483e694 1833 --enable-*=*|--disable-*=*)
8b93ddc3 1834 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1835 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1836 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1837 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1838 $action $(filter "$name" $list)
7483e694
DB
1839 ;;
1840 --enable-?*|--disable-?*)
5e622c40 1841 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1842 if is_in $option $COMPONENT_LIST; then
fed5d54b 1843 test $action = disable && action=unset
e3773a55
MR
1844 eval $action \$$(toupper ${option%s})_LIST
1845 elif is_in $option $CMDLINE_SELECT; then
1846 $action $option
1847 else
1848 die_unknown $opt
1849 fi
7483e694
DB
1850 ;;
1851 --list-*)
1852 NAME="${opt#--list-}"
1853 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1854 NAME=${NAME%s}
1855 eval show_list $NAME \$$(toupper $NAME)_LIST
1856 ;;
1857 --help|-h) show_help
1858 ;;
1859 *)
884a36a7 1860 optname="${opt%%=*}"
26759c44
MR
1861 optname="${optname#--}"
1862 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1863 if is_in $optname $CMDLINE_SET; then
1864 eval $optname='$optval'
1865 elif is_in $optname $CMDLINE_APPEND; then
1866 append $optname "$optval"
1867 else
1868 die_unknown $opt
1869 fi
7483e694
DB
1870 ;;
1871 esac
c597172e
MR
1872done
1873
bcea99bb
MR
1874disabled logging && logfile=/dev/null
1875
29ba0911 1876echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
1877set >> $logfile
1878
9da6609f
MR
1879test -n "$cross_prefix" && enable cross_compile
1880
8d4c00ed
MR
1881if enabled cross_compile; then
1882 test -n "$arch" && test -n "$target_os" ||
1883 die "Must specify target arch and OS when cross-compiling"
1884fi
1885
1886set_default arch target_os
1887
121d78d0 1888ar_default="${cross_prefix}${ar_default}"
11e6d03a 1889cc_default="${cross_prefix}${cc_default}"
20e0ed95 1890nm_default="${cross_prefix}${nm_default}"
3f8040db 1891pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 1892ranlib="${cross_prefix}${ranlib}"
adb2b908 1893
c5200f17
MR
1894sysinclude_default="${sysroot}/usr/include"
1895
e0be794a 1896set_default cc nm pkg_config sysinclude
9da6609f
MR
1897enabled cross_compile || host_cc_default=$cc
1898set_default host_cc
13c7df3d 1899
762f95e4
MR
1900if ! $pkg_config --version >/dev/null 2>&1; then
1901 warn "$pkg_config not found, library detection may fail."
1902 pkg_config=false
1903fi
1904
82bb3329
MR
1905exesuf() {
1906 case $1 in
1c69c79f 1907 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
1908 esac
1909}
1910
1911EXESUF=$(exesuf $target_os)
1912HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1913
e4e69e0b 1914# set temporary file name
a49d42c2 1915: ${TMPDIR:=$TEMPDIR}
c51fafa1 1916: ${TMPDIR:=$TMP}
a49d42c2 1917: ${TMPDIR:=/tmp}
e4e69e0b 1918
a210bce2 1919if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
1920 # simple replacement for missing mktemp
1921 # NOT SAFE FOR GENERAL USE
1922 mktemp(){
09a5c245 1923 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
1924 }
1925fi
1926
1927tmpfile(){
1928 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1929 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1930 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1931 append TMPFILES $tmp
1932 eval $1=$tmp
1933}
1934
1935trap 'rm -f -- $TMPFILES' EXIT
54460a83 1936
55127e7b 1937tmpfile TMPASM .asm
3e0b1c9a
DB
1938tmpfile TMPC .c
1939tmpfile TMPE $EXESUF
1940tmpfile TMPH .h
1941tmpfile TMPO .o
1942tmpfile TMPS .S
1943tmpfile TMPSH .sh
1944tmpfile TMPV .ver
54460a83
MR
1945
1946unset -f mktemp
e4e69e0b 1947
fb3c4ffc
MR
1948chmod +x $TMPE
1949
993f2d0f
MR
1950# make sure we can execute files in $TMPDIR
1951cat > $TMPSH 2>> $logfile <<EOF
1952#! /bin/sh
1953EOF
1954chmod +x $TMPSH >> $logfile 2>&1
1955if ! $TMPSH >> $logfile 2>&1; then
1956 cat <<EOF
1957Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1958variable to another directory and make sure that it is not mounted noexec.
1959EOF
1960 die "Sanity test failed."
1961fi
993f2d0f 1962
613a4e3f
MR
1963if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1964 cc_type=llvm_gcc
613a4e3f
MR
1965 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1966 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1967 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1968 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
01d31e16
MR
1969 cflags_speed='-O3'
1970 cflags_size='-Os'
613a4e3f 1971elif $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1972 cc_type=gcc
5d57846b
MR
1973 gcc_version=$($cc --version | head -n1)
1974 gcc_basever=$($cc -dumpversion)
3ad464bf 1975 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
5d57846b
MR
1976 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1977 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
aef6bd1b
MR
1978 if ! $cc -dumpversion | grep -q '^2\.'; then
1979 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1980 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1981 fi
01d31e16
MR
1982 cflags_speed='-O3'
1983 cflags_size='-Os'
629687f6
MR
1984elif $cc --version 2>/dev/null | grep -q Intel; then
1985 cc_type=icc
bb5cecdc 1986 cc_ident=$($cc --version | head -n1)
07dec06e
MR
1987 CC_DEPFLAGS='-MMD'
1988 AS_DEPFLAGS='-MMD'
01d31e16
MR
1989 cflags_speed='-O3'
1990 cflags_size='-Os'
1991 cflags_noopt='-O1'
629687f6
MR
1992elif $cc -v 2>&1 | grep -q xlc; then
1993 cc_type=xlc
bb5cecdc 1994 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
01d31e16
MR
1995 cflags_speed='-O5'
1996 cflags_size='-O5 -qcompact'
df442a8d
MR
1997elif $cc -V 2>/dev/null | grep -q Compaq; then
1998 cc_type=ccc
bb5cecdc 1999 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
d8059267 2000 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 2001 debuglevel=3
df442a8d 2002 add_ldflags -Wl,-z,now # calls to libots crash without this
01d31e16
MR
2003 cflags_speed='-fast'
2004 cflags_size='-O1'
6a0d5493 2005elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
2006 test -d "$sysroot" || die "No valid sysroot specified."
2007 cc_type=armcc
bb5cecdc 2008 cc_ident=$($cc --vsn | head -n1)
03e37762
MR
2009 armcc_conf="$PWD/armcc.conf"
2010 $cc --arm_linux_configure \
2011 --arm_linux_config_file="$armcc_conf" \
2012 --configure_sysroot="$sysroot" \
2013 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2014 die "Error creating armcc configuration file."
bcafde61 2015 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
03e37762 2016 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 2017 as_default="${cross_prefix}gcc"
07dec06e
MR
2018 CC_DEPFLAGS='-MMD'
2019 AS_DEPFLAGS='-MMD'
01d31e16
MR
2020 cflags_speed='-O3'
2021 cflags_size='-Os'
2022 asflags_filter="filter_out -W${armcc_opt}*"
6fec122a
MR
2023elif $cc -version 2>/dev/null | grep -q TMS470; then
2024 cc_type=tms470
bb5cecdc 2025 cc_ident=$($cc -version | head -n1 | tr -s ' ')
6fec122a
MR
2026 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2027 CC_O='-fr=$(@D)'
2028 as_default="${cross_prefix}gcc"
2029 ld_default="${cross_prefix}gcc"
6fec122a
MR
2030 TMPO=$(basename $TMPC .c).o
2031 append TMPFILES $TMPO
2032 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
2033 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2034 AS_DEPFLAGS='-MMD'
01d31e16
MR
2035 cflags_speed='-O3 -mf=5'
2036 cflags_size='-O3 -mf=2'
2037 cflags_filter=tms470_flags
6fec122a
MR
2038 tms470_flags(){
2039 for flag; do
2040 case $flag in
2041 -march=*|-mcpu=*)
2042 case "${flag#*=}" in
2043 armv7-a|cortex-a*) echo -mv=7a8 ;;
2044 armv7-r|cortex-r*) echo -mv=7r4 ;;
2045 armv7-m|cortex-m*) echo -mv=7m3 ;;
2046 armv6*|arm11*) echo -mv=6 ;;
2047 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2048 echo -mv=5e ;;
2049 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2050 esac
2051 ;;
2052 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2053 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 2054 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 2055 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 2056 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 2057 -g) echo -g -mn ;;
587d24ff 2058 -pds=*) echo $flag ;;
6fec122a
MR
2059 esac
2060 done
2061 }
06da6943
DC
2062elif $cc -v 2>&1 | grep -q clang; then
2063 cc_type=clang
bb5cecdc 2064 cc_ident=$($cc --version | head -n1)
06da6943
DC
2065 CC_DEPFLAGS='-MMD'
2066 AS_DEPFLAGS='-MMD'
01d31e16
MR
2067 cflags_speed='-O3'
2068 cflags_size='-Os'
2a472e9c
MK
2069elif $cc -V 2>&1 | grep -q Sun; then
2070 cc_type=suncc
448f5b83 2071 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
faa374b7 2072 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 2073 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
558c2683 2074 add_ldflags -xc99
01d31e16
MR
2075 cflags_speed='-O5'
2076 cflags_size='-O5 -xspace'
2077 cflags_filter=suncc_flags
03279bbe
MK
2078 suncc_flags(){
2079 for flag; do
2080 case $flag in
2081 -march=*|-mcpu=*)
2082 case "${flag#*=}" in
2083 native) echo -xtarget=native ;;
87ddc38b 2084 v9|niagara) echo -xarch=sparc ;;
03279bbe 2085 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 2086 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
2087 i586|pentium) echo -xchip=pentium ;;
2088 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2089 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2090 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2091 pentium4*) echo -xtarget=pentium4 ;;
2092 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2093 *-sse3) echo -xarch=sse3 ;;
2094 core2) echo -xarch=ssse3 -xchip=core2 ;;
2095 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2096 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2097 k8|opteron|athlon64|athlon-fx)
2098 echo -xarch=sse2a ;;
2099 athlon*) echo -xarch=pentium_proa ;;
2100 esac
2101 ;;
2102 -std=c99) echo -xc99 ;;
2103 -fomit-frame-pointer) echo -xregs=frameptr ;;
2104 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
2105 -W*,*) echo $flag ;;
2106 -f*-*|-W*) ;;
2107 *) echo $flag ;;
2108 esac
2109 done
2110 }
180ec37d 2111elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
349d78fe 2112 cc_type=pathscale
349d78fe
MR
2113 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2114 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2115 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
01d31e16
MR
2116 cflags_speed='-O2'
2117 cflags_size='-Os'
2118 cflags_filter='filter_out -Wdisabled-optimization'
6de163e9
MR
2119elif $cc -v 2>&1 | grep -q Open64; then
2120 cc_type=open64
6de163e9
MR
2121 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2122 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2123 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
01d31e16
MR
2124 cflags_speed='-O2'
2125 cflags_size='-Os'
2126 cflags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
e73ec921
MR
2127elif $cc -V 2>&1 | grep -q Portland; then
2128 cc_type=pgi
e73ec921
MR
2129 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2130 opt_common='-alias=ansi -Mlre -Mpre'
01d31e16
MR
2131 cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2132 cflags_size="-O2 -Munroll=c:1 $opt_common"
2133 cflags_noopt="-O1"
2134 cflags_filter=pgi_flags
e73ec921
MR
2135 pgi_flags(){
2136 for flag; do
2137 case $flag in
2138 -fomit-frame-pointer) echo -Mnoframe ;;
2139 -g) echo -gopt ;;
2140 *) echo $flag ;;
2141 esac
2142 done
2143 }
629687f6
MR
2144fi
2145
851ffa80
MR
2146test -n "$cc_type" && enable $cc_type ||
2147 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2148
75bafbac 2149: ${as_default:=$cc}
50567afa 2150: ${dep_cc_default:=$cc}
684b28e0 2151: ${ld_default:=$cc}
121d78d0 2152set_default ar as dep_cc ld
75800dce 2153
07dec06e
MR
2154test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2155test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2156
7f32f40c 2157add_cflags $extra_cflags
2f2e6c7c 2158add_asflags $extra_cflags
7f32f40c 2159
154d432c
MR
2160if test -n "$sysroot"; then
2161 case "$cc_type" in
00ba041c 2162 gcc|llvm_gcc|clang)
467256f2 2163 add_cppflags --sysroot="$sysroot"
154d432c
MR
2164 add_ldflags --sysroot="$sysroot"
2165 ;;
6fec122a
MR
2166 tms470)
2167 add_cppflags -I"$sysinclude"
2168 add_ldflags --sysroot="$sysroot"
2169 ;;
154d432c
MR
2170 esac
2171fi
2172
d22c13a8
MR
2173if test "$cpu" = host; then
2174 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2175
2176 case "$cc_type" in
613a4e3f 2177 gcc|llvm_gcc)
d22c13a8
MR
2178 check_native(){
2179 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2180 sed -n "/cc1.*$1=/{
27ce1be8
MR
2181 s/.*$1=\\([^ ]*\\).*/\\1/
2182 p
2183 q
2184 }" $TMPE
d22c13a8
MR
2185 }
2186 cpu=$(check_native -march || check_native -mcpu)
2187 ;;
2188 esac
2189
2190 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2191fi
2192
e939cedd
MR
2193# Deal with common $arch aliases
2194case "$arch" in
2195 arm*)
2196 arch="arm"
2197 ;;
2198 mips|mipsel|IP*)
2199 arch="mips"
2200 ;;
47b1860e 2201 mips64*)
e939cedd
MR
2202 arch="mips"
2203 subarch="mips64"
2204 ;;
2205 parisc|hppa)
2206 arch="parisc"
2207 ;;
2208 parisc64|hppa64)
2209 arch="parisc"
2210 subarch="parisc64"
2211 ;;
2212 "Power Macintosh"|ppc|powerpc)
2213 arch="ppc"
2214 ;;
47b1860e 2215 ppc64|powerpc64)
e939cedd
MR
2216 arch="ppc"
2217 subarch="ppc64"
2218 ;;
2219 s390|s390x)
2220 arch="s390"
2221 ;;
2222 sh4|sh)
2223 arch="sh4"
2224 ;;
2225 sun4u|sparc64)
2226 arch="sparc"
2227 subarch="sparc64"
2228 ;;
d33ed7b3 2229 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2230 arch="x86"
2231 ;;
2232esac
2233
851ffa80 2234is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2235enable $arch
e939cedd 2236
df5cdc24 2237# Add processor-specific flags
5d54c126
MR
2238if test "$cpu" = generic; then
2239 : do nothing
2240elif enabled ppc; then
343aef9b 2241
56348891
MR
2242 case $(tolower $cpu) in
2243 601|ppc601|powerpc601)
9dbd5c3d 2244 cpuflags="-mcpu=601"
64ad53ff 2245 disable altivec
9dbd5c3d 2246 ;;
56348891 2247 603*|ppc603*|powerpc603*)
9dbd5c3d 2248 cpuflags="-mcpu=603"
64ad53ff 2249 disable altivec
9dbd5c3d 2250 ;;
56348891 2251 604*|ppc604*|powerpc604*)
9dbd5c3d 2252 cpuflags="-mcpu=604"
64ad53ff 2253 disable altivec
9dbd5c3d 2254 ;;
56348891 2255 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2256 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2257 disable altivec
9dbd5c3d 2258 ;;
56348891 2259 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2260 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2261 ;;
56348891 2262 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2263 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2264 ;;
313f9fbf 2265 g5|970|ppc970|powerpc970)
9dbd5c3d
MR
2266 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2267 ;;
313f9fbf
SM
2268 power[3-7]*)
2269 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2270 ;;
56348891 2271 cell)
9dbd5c3d
MR
2272 cpuflags="-mcpu=cell"
2273 enable ldbrx
2274 ;;
7b0b81a1
AL
2275 e500v2)
2276 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2277 disable altivec
2278 ;;
2279 e500)
2280 cpuflags="-mcpu=8540 -mhard-float"
2281 disable altivec
2282 ;;
9dbd5c3d 2283 esac
343aef9b
MR
2284
2285elif enabled x86; then
2286
9dbd5c3d
MR
2287 case $cpu in
2288 i[345]86|pentium)
2289 cpuflags="-march=$cpu"
2290 disable mmx
2291 ;;
2292 # targets that do NOT support conditional mov (cmov)
2293 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2294 cpuflags="-march=$cpu"
2295 disable cmov
2296 ;;
2297 # targets that do support conditional mov (cmov)
9ddf1b1a 2298 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
9dbd5c3d
MR
2299 cpuflags="-march=$cpu"
2300 enable cmov
2301 enable fast_cmov
2302 ;;
2303 # targets that do support conditional mov but on which it's slow
2304 pentium4|pentium4m|prescott|nocona)
2305 cpuflags="-march=$cpu"
2306 enable cmov
2307 disable fast_cmov
2308 ;;
2309 esac
343aef9b
MR
2310
2311elif enabled sparc; then
2312
9dbd5c3d 2313 case $cpu in
26b7199e
MK
2314 niagara)
2315 cpuflags="-mcpu=$cpu"
2316 disable vis
2317 ;;
9dbd5c3d
MR
2318 sparc64)
2319 cpuflags="-mcpu=v9"
2320 ;;
2321 esac
343aef9b
MR
2322
2323elif enabled arm; then
2324
34ba23c9
MR
2325 case $cpu in
2326 armv*)
2327 cpuflags="-march=$cpu"
c2eae137 2328 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
34ba23c9
MR
2329 ;;
2330 *)
2331 cpuflags="-mcpu=$cpu"
c2eae137
MR
2332 case $cpu in
2333 cortex-a*) subarch=armv7a ;;
2334 cortex-r*) subarch=armv7r ;;
9e19704a 2335 cortex-m*) enable thumb; subarch=armv7m ;;
c2eae137
MR
2336 arm11*) subarch=armv6 ;;
2337 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2338 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2339 esac
34ba23c9
MR
2340 ;;
2341 esac
343aef9b
MR
2342
2343elif enabled alpha; then
2344
34ba23c9 2345 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2346
2347elif enabled bfin; then
2348
34ba23c9 2349 cpuflags="-mcpu=$cpu"
343aef9b
MR
2350
2351elif enabled mips; then
2352
34ba23c9 2353 cpuflags="-march=$cpu"
343aef9b
MR
2354
2355elif enabled avr32; then
2356
9dbd5c3d
MR
2357 case $cpu in
2358 ap7[02]0[0-2])
2359 subarch="avr32_ap"
2360 cpuflags="-mpart=$cpu"
2361 ;;
2362 ap)
2363 subarch="avr32_ap"
2364 cpuflags="-march=$cpu"
2365 ;;
2366 uc3[ab]*)
2367 subarch="avr32_uc"
2368 cpuflags="-mcpu=$cpu"
2369 ;;
2370 uc)
2371 subarch="avr32_uc"
2372 cpuflags="-march=$cpu"
2373 ;;
2374 esac
df5cdc24 2375
343aef9b
MR
2376fi
2377
df5cdc24
MR
2378add_cflags $cpuflags
2379add_asflags $cpuflags
2380
993f2d0f
MR
2381# compiler sanity check
2382check_exec <<EOF
2383int main(void){ return 0; }
2384EOF
2385if test "$?" != 0; then
2386 echo "$cc is unable to create an executable file."
2387 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2388 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2389 echo "Only do this if you know what cross compiling means."
2390 fi
2391 die "C compiler test failed."
2392fi
2393
046f081b 2394add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2395check_cflags -std=c99
50a334e4 2396check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2397#include <stdlib.h>
2398EOF
50a334e4 2399check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2400#include <stdlib.h>
2401EOF
e9b9a2f8 2402
f0125de9 2403check_host_cflags -std=c99
0a6db2a2 2404check_host_cflags -Wall
f0125de9 2405
b24dbcbd 2406case "$arch" in
e939cedd 2407 alpha|ia64|mips|parisc|sparc)
8a3c8627 2408 spic=$shared
b24dbcbd 2409 ;;
e939cedd 2410 x86)
cfdb6148 2411 subarch="x86_32"
5adc829e 2412 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
de27f4d9 2413 if test "$subarch" = "x86_64"; then
e939cedd 2414 spic=$shared
de27f4d9 2415 fi
b24dbcbd 2416 ;;
b24dbcbd
RP
2417esac
2418
343aef9b 2419enable $subarch
8a3c8627 2420enabled spic && enable pic
b24dbcbd 2421
7483e694 2422# OS specific
4f854758 2423case $target_os in
a1629e28 2424 haiku)
63ae7e7c 2425 prefix_default="/boot/common"
108caaaa 2426 network_extralibs="-lnetwork"
f59c4bd6 2427 host_libs=
a1629e28 2428 ;;
7483e694 2429 sunos)
4d58e4cb 2430 AVSERVERLDFLAGS=""
9987769a 2431 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2432 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2433 network_extralibs="-lsocket -lnsl"
779222db 2434 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2435 # When using suncc to build, the Solaris linker will mark
2436 # an executable with each instruction set encountered by
2437 # the Solaris assembler. As our libraries contain their own
2438 # guards for processor-specific code, instead suppress
2439 # generation of the HWCAPS ELF section on Solaris x86 only.
2440 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
8182dc34 2441 nm_opts='-P -g'
7483e694
DB
2442 ;;
2443 netbsd)
a1e4b3f6 2444 disable symver
07a8eef6
MR
2445 oss_indev_extralibs="-lossaudio"
2446 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2447 ;;
2448 openbsd)
7c4a001a 2449 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2450 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2451 # however the generated executable will not do anything
2452 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2453 # Thus explicitly enable PIC here.
cd78208b 2454 enable pic
a1e4b3f6 2455 disable symver
7483e694 2456 SHFLAGS='-shared'
07a8eef6
MR
2457 oss_indev_extralibs="-lossaudio"
2458 oss_outdev_extralibs="-lossaudio"
7483e694 2459 ;;
a1e4b3f6 2460 dragonfly)
a1e4b3f6
MR
2461 disable symver
2462 ;;
2463 freebsd)
7483e694
DB
2464 ;;
2465 bsd/os)
355d81df 2466 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2467 ;;
2468 darwin)
301ab19d 2469 gas="gas-preprocessor.pl $cc"
e08b8239 2470 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2471 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2472 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2473 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2474 SLIBSUF=".dylib"
2475 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2476 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2477 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2478 objformat="macho"
1b0f6fb8 2479 enabled x86_64 && objformat="macho64"
8dfa86f7 2480 enabled_any pic shared ||
2704bd1a 2481 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2482 ;;
2483 mingw32*)
9d3f4f50 2484 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2485 disable network
2486 else
2487 target_os=mingw32
2488 fi
dcc01c06 2489 LIBTARGET=i386
1fc9fb8a 2490 if enabled x86_64; then
417516f6 2491 LIBTARGET="i386:x86-64"
336cc1b0 2492 elif enabled arm; then
15c5156d 2493 LIBTARGET=arm-wince
dcc01c06 2494 fi
fbd971a4 2495 shlibdir_default="$bindir_default"
7483e694
DB
2496 SLIBPREF=""
2497 SLIBSUF=".dll"
7483e694
DB
2498 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2499 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2f138f0b
MR
2500 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2501 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2502 SLIB_INSTALL_LINKS=
2503 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2504 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4b51fb1c 2505 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 2506 objformat="win32"
ec10a9ab 2507 dlltool="${cross_prefix}dlltool"
bc574408 2508 enable dos_paths
1894e741 2509 check_cflags -fno-common
e26011d0
RP
2510 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2511 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2512 die "ERROR: MinGW runtime version must be >= 3.15."
5666a9f2 2513 add_cppflags -U__STRICT_ANSI__
7483e694
DB
2514 ;;
2515 cygwin*)
4f854758 2516 target_os=cygwin
fbd971a4 2517 shlibdir_default="$bindir_default"
7483e694
DB
2518 SLIBPREF="cyg"
2519 SLIBSUF=".dll"
2520 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2521 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2522 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2523 objformat="win32"
bc574408 2524 enable dos_paths
1894e741 2525 check_cflags -fno-common
a7a187a1 2526 add_cppflags -U__STRICT_ANSI__
7483e694 2527 ;;
4f365f37 2528 *-dos|freedos|opendos)
4f365f37 2529 network_extralibs="-lsocket"
ff1c015d 2530 objformat="coff"
bc574408 2531 enable dos_paths
a7a187a1 2532 add_cppflags -U__STRICT_ANSI__
4f365f37 2533 ;;
7483e694 2534 linux)
046f081b 2535 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
7483e694
DB
2536 enable dv1394
2537 ;;
2538 irix*)
4f854758 2539 target_os=irix
7483e694
DB
2540 ranlib="echo ignoring ranlib"
2541 ;;
d22e8442 2542 os/2*)
d22e8442 2543 ln_s="cp -f"
9297f1ed 2544 objformat="aout"
e14574eb 2545 add_cppflags -D_GNU_SOURCE
355d81df 2546 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2547 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2548 AVSERVERLDFLAGS=""
287d3b13 2549 LIBSUF="_s.a"
d22e8442
DY
2550 SLIBPREF=""
2551 SLIBSUF=".dll"
2552 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2553 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2554 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2555 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2556 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2557 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2558 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2559 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2560 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2561 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2562 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2563 enable dos_paths
d22e8442 2564 ;;
83993c1c 2565 gnu/kfreebsd)
c1f54478 2566 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
83993c1c 2567 ;;
34e82167 2568 gnu)
f60d1366 2569 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
34e82167 2570 ;;
d33ed7b3
MR
2571 qnx)
2572 add_cppflags -D_QNX_SOURCE
2573 network_extralibs="-lsocket"
2574 ;;
1c69c79f
MS
2575 symbian)
2576 SLIBSUF=".dll"
2577 enable dos_paths
e3bc07f4
MS
2578 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2579 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2580 add_ldflags -Wl,--target1-abs,--no-undefined \
2581 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2582 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2583 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2584 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2585 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2586 ;;
614d8911
MR
2587 none)
2588 ;;
7483e694 2589 *)
4f924f9a 2590 die "Unknown OS '$target_os'."
7483e694
DB
2591 ;;
2592esac
2593
6555acad
MR
2594esc(){
2595 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2596}
2597
2598echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 2599
13cb2187
AS
2600check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2601
c9d19248
MR
2602set_default $PATHS_LIST
2603
320d060a 2604# we need to build at least one lib type
93b3c083 2605if ! enabled_any static shared; then
320d060a
DB
2606 cat <<EOF
2607At least one library type must be built.
2608Specify --enable-static to build the static libraries or --enable-shared to
2609build the shared libraries as well. To only build the shared libraries specify
2610--disable-static in addition to --enable-shared.
2611EOF
2612 exit 1;
2613fi
2614
2184c6f7 2615die_license_disabled() {
4c27207c 2616 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2617}
2618
e417d80d 2619die_license_disabled gpl libcdio
2184c6f7 2620die_license_disabled gpl libx264
de295976 2621die_license_disabled gpl libxavs
2184c6f7 2622die_license_disabled gpl libxvid
2184c6f7
DB
2623die_license_disabled gpl x11grab
2624
2f7ae63b 2625die_license_disabled nonfree libfaac
87246953 2626die_license_disabled nonfree libfdk_aac
a060866f 2627die_license_disabled nonfree openssl
b2e3c528 2628
0b175caa
DB
2629die_license_disabled version3 libopencore_amrnb
2630die_license_disabled version3 libopencore_amrwb
d89e738a 2631die_license_disabled version3 libvo_aacenc
f502ff3f 2632die_license_disabled version3 libvo_amrwbenc
0b175caa 2633
9cad0e4e 2634enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2635
40617a6d 2636disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2637
e276d9e8
MR
2638enable_pic() {
2639 enable pic
bce7b696
MR
2640 add_cppflags -DPIC
2641 add_cflags -fPIC
2642 add_asflags -fPIC
e276d9e8
MR
2643}
2644
2645enabled pic && enable_pic
bce7b696 2646
b4d96ba2
MR
2647check_cc <<EOF || die "Symbol mangling check failed."
2648int ff_extern;
2649EOF
8182dc34 2650sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2651extern_prefix=${sym%%ff_extern*}
2652
f65883c8
MR
2653check_cc <<EOF && enable inline_asm
2654void foo(void) { __asm__ volatile ("" ::); }
2655EOF
61d251db 2656
df5e3978
MR
2657_restrict=
2658for restrict_keyword in restrict __restrict__ __restrict; do
2659 check_cc <<EOF && _restrict=$restrict_keyword && break
2660void foo(char * $restrict_keyword p);
2661EOF
2662done
2663
2664check_cc <<EOF && enable attribute_packed
2665struct { int x; } __attribute__((packed)) x;
2666EOF
2667
dffb41b9
MR
2668check_cc <<EOF && enable attribute_may_alias
2669union { int x; } __attribute__((may_alias)) x;
2670EOF
2671
df5e3978
MR
2672check_cc <<EOF || die "endian test failed"
2673unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2674EOF
48fc536a 2675od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2676
e939cedd
MR
2677if enabled alpha; then
2678
2679 check_cflags -mieee
2680
2681elif enabled arm; then
e45391bb 2682
8986fddc 2683 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 2684 nogas=die
50fa82e6 2685
44caaa56
MR
2686 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2687 enable vfp_args
2688 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2689 case "${cross_prefix:-$cc}" in
2690 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2691 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
2692__asm__ (".eabi_attribute 28, 1");
2693int main(void) { return 0; }
2694EOF
44caaa56
MR
2695 esac
2696 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2697 fi
fa0912fe 2698
fa0912fe
MR
2699 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2700 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2701 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2702 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
fa0912fe 2703 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
93eb8e4d 2704 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
e45391bb 2705
6308729e
MR
2706 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2707
e276d9e8
MR
2708 enabled_all armv6t2 shared !pic && enable_pic
2709
fa0912fe 2710elif enabled mips; then
e45391bb 2711
fa0912fe
MR
2712 check_asm loongson '"dmult.g $1, $2, $3"'
2713 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2714
fa0912fe 2715elif enabled ppc; then
e45391bb 2716
e6a0c354
MR
2717 enable local_aligned_8 local_aligned_16
2718
135448fa 2719 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2720 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2721 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2722 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2723
2724 # AltiVec flags: The FSF version of GCC differs from the Apple version
2725 if enabled altivec; then
301ab19d 2726 nogas=warn
fa0912fe
MR
2727 check_cflags -maltivec -mabi=altivec &&
2728 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2729 check_cflags -faltivec
2730
2731 # check if our compiler supports Motorola AltiVec C API
2732 check_cc <<EOF || disable altivec
2733$inc_altivec_h
2734int main(void) {
2735 vector signed int v1, v2, v3;
2736 v1 = vec_add(v2,v3);
2737 return 0;
2738}
2739EOF
2740
2741 # check if our compiler supports braces for vector declarations
2742 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2743$inc_altivec_h
2744int main (void) { (vector int) {1}; return 0; }
2745EOF
2746 fi
e45391bb 2747
fa0912fe 2748elif enabled sparc; then
e45391bb 2749
fa0912fe
MR
2750 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2751 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2752
fa0912fe 2753elif enabled x86; then
e45391bb 2754
3f150ffb 2755 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
c0ee695b 2756 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
8e85ba8d 2757 check_code ld intrin.h "__rdtsc()" && enable rdtsc
358d854d 2758 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
8e85ba8d 2759
f80ddd5b
RB
2760 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2761
e6a0c354
MR
2762 enable local_aligned_8 local_aligned_16
2763
44965991
PI
2764 # check whether EBP is available on x86
2765 # As 'i' is stored on the stack, this program will crash
2766 # if the base pointer is used to access it because the
2767 # base pointer is cleared in the inline assembly code.
7dfef245 2768 check_exec_crash <<EOF && enable ebp_available
44965991 2769 volatile int i=0;
be449fca 2770 __asm__ volatile (
44965991
PI
2771 "xorl %%ebp, %%ebp"
2772 ::: "%ebp");
2773 return i;
44965991
PI
2774EOF
2775
f494213c 2776 # check whether EBX is available on x86
7cee5421
MR
2777 check_asm ebx_available '""::"b"(0)' &&
2778 check_asm ebx_available '"":::"%ebx"'
8e380710 2779
6f74fb03
RP
2780 # check whether xmm clobbers are supported
2781 check_asm xmm_clobbers '"":::"%xmm0"'
2782
d7f0920b 2783 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2784 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2785 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6 2786
9cca1e40 2787 if ! disabled_any asm mmx yasm; then
b6c06894
MR
2788 if check_cmd $yasmexe --version; then
2789 enabled x86_64 && yasm_extra="-m amd64"
2790 yasm_debug="-g dwarf2"
2791 elif check_cmd nasm -v; then
2792 yasmexe=nasm
2793 yasm_debug="-g -F dwarf"
2794 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2795 fi
2796
2797 YASMFLAGS="-f $objformat $yasm_extra"
2798 enabled pic && append YASMFLAGS "-DPIC"
2799 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2800 case "$objformat" in
2801 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2802 esac
2803
48545a8f 2804 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
25432e85 2805 die "yasm not found, use --disable-yasm for a crippled build"
429059f8 2806 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
31a0dcb2 2807 fi
e45391bb 2808
669b5583
MR
2809 case "$cpu" in
2810 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2811 disable fast_clz
2812 ;;
2813 esac
2814
44965991
PI
2815fi
2816
301ab19d
MR
2817if enabled asm; then
2818 as=${gas:=$as}
2819 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2820 $nogas "GNU assembler not found, install gas-preprocessor"
2821fi
2822
4a7e068b
MR
2823check_ldflags -Wl,--as-needed
2824
a98bb16d
RP
2825if check_func dlopen; then
2826 ldl=
2827elif check_func dlopen -ldl; then
2828 ldl=-ldl
8bf5d58f
MN
2829fi
2830
54fe299b
DV
2831if enabled network; then
2832 check_type "sys/types.h sys/socket.h" socklen_t
2833 check_type netdb.h "struct addrinfo"
75d339e0
MS
2834 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2835 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
2836 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2837 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 2838 check_type poll.h "struct pollfd"
54fe299b
DV
2839 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2840 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5699884c 2841 check_header netinet/sctp.h
f06dee77 2842 check_func getaddrinfo $network_extralibs
54fe299b
DV
2843 # Prefer arpa/inet.h over winsock2
2844 if check_header arpa/inet.h ; then
2845 check_func closesocket
2846 elif check_header winsock2.h ; then
47876d66
DB
2847 check_func_headers winsock2.h closesocket -lws2 &&
2848 network_extralibs="-lws2" ||
2849 { check_func_headers winsock2.h closesocket -lws2_32 &&
54fe299b 2850 network_extralibs="-lws2_32"; }
f06dee77 2851 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
54fe299b
DV
2852 check_type ws2tcpip.h socklen_t
2853 check_type ws2tcpip.h "struct addrinfo"
75d339e0
MS
2854 check_type ws2tcpip.h "struct group_source_req"
2855 check_type ws2tcpip.h "struct ip_mreq_source"
54fe299b 2856 check_type ws2tcpip.h "struct ipv6_mreq"
cdee08e3 2857 check_type winsock2.h "struct pollfd"
54fe299b
DV
2858 check_type ws2tcpip.h "struct sockaddr_in6"
2859 check_type ws2tcpip.h "struct sockaddr_storage"
2860 check_struct winsock2.h "struct sockaddr" sa_len
2861 else
2862 disable network
2863 fi
2864fi
2865
75ecf149
DB
2866# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2867check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2868
534a2231 2869check_func fcntl
7483e694
DB
2870check_func fork
2871check_func gethrtime
667fb97a 2872check_func getopt
7483e694 2873check_func getrusage
fc5607f8 2874check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
61183b5a 2875check_func gettimeofday
094c09bb 2876check_func inet_aton $network_extralibs
abfc8d05 2877check_func isatty
a5b64584 2878check_func localtime_r
4ae40685 2879check_func ${malloc_prefix}memalign && enable memalign
7483e694 2880check_func mkstemp
0328b9ea 2881check_func mmap
4ae40685 2882check_func ${malloc_prefix}posix_memalign && enable posix_memalign
be1a839c 2883check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
0104b608 2884check_func setrlimit
87958234 2885check_func strerror_r
6379900c 2886check_func strptime
47941088 2887check_func strtok_r
ea4d5f48 2888check_func sched_getaffinity
bcc73960 2889check_func sysconf
b9e22269 2890check_func sysctl
d3d3a32c 2891check_func usleep
b507ebd1 2892check_func_headers io.h setmode
b4675d0f 2893check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
fc5607f8 2894check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
02e8f427 2895check_func_headers windows.h GetProcessAffinityMask
2446d3d6 2896check_func_headers windows.h GetProcessTimes
61183b5a 2897check_func_headers windows.h GetSystemTimeAsFileTime
73f6d31e 2898check_func_headers windows.h MapViewOfFile
d3d3a32c 2899check_func_headers windows.h Sleep
7c5bfe7a 2900check_func_headers windows.h VirtualAlloc
6ffa87d3 2901
a98bb16d 2902check_header dlfcn.h
fa845061 2903check_header dxva.h
92c6a099 2904check_header dxva2api.h
3b1ab197 2905check_header io.h
a98bb16d 2906check_header malloc.h
bf6ce82d 2907check_header poll.h
b58412f1 2908check_header sys/mman.h
06bb5905 2909check_header sys/param.h
b091aa44 2910check_header sys/resource.h
bf6ce82d 2911check_header sys/select.h
e64bceea 2912check_header sys/time.h
542920b7 2913check_header unistd.h
272081b0
CEH
2914check_header vdpau/vdpau.h
2915check_header vdpau/vdpau_x11.h
d3d3a32c 2916check_header windows.h
68178ca9 2917check_header X11/extensions/XvMClib.h
a98bb16d 2918
a4fa192c 2919disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2920disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4 2921
ff3755cb
JG
2922if ! disabled w32threads && ! enabled pthreads; then
2923 check_func _beginthreadex && enable w32threads
2924fi
2925
57bd82d4
MR
2926# check for some common methods of building with pthread support
2927# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2928if ! disabled pthreads && ! enabled w32threads; then
2929 enable pthreads
9e7fd101
MR
2930 if check_func pthread_create; then
2931 :
2932 elif check_func pthread_create -pthread; then
2933 add_cflags -pthread
afc9aee2 2934 add_extralibs -pthread
9e7fd101
MR
2935 elif check_func pthread_create -pthreads; then
2936 add_cflags -pthreads
afc9aee2 2937 add_extralibs -pthreads
8d94f606
GT
2938 elif check_func pthread_create -lpthreadGC2; then
2939 add_extralibs -lpthreadGC2
9e7fd101 2940 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2941 disable pthreads
9e7fd101 2942 fi
57bd82d4
MR
2943fi
2944
8eee7025 2945for thread in $THREADS_LIST; do
e5f94c2b 2946 if enabled $thread; then
3ae3b721
RP
2947 test -n "$thread_type" &&
2948 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2949 thread_type="$thread"
e5f94c2b
RP
2950 fi
2951done
2952
50f7c296 2953check_lib math.h sin -lm && LIBM="-lm"
f3e3f28e 2954enabled vaapi && require vaapi va/va.h vaInitialize -lva
fdf88598 2955
15333562 2956check_mathfunc cbrtf
645d2652
MR
2957check_mathfunc exp2
2958check_mathfunc exp2f
46df708b
MS
2959check_mathfunc isinf
2960check_mathfunc isnan
645d2652 2961check_mathfunc llrint
07876e25 2962check_mathfunc llrintf
645d2652
MR
2963check_mathfunc log2
2964check_mathfunc log2f
2965check_mathfunc lrint
2966check_mathfunc lrintf
183b1c22 2967check_mathfunc rint
645d2652
MR
2968check_mathfunc round
2969check_mathfunc roundf
23d3931a 2970check_mathfunc trunc
645d2652 2971check_mathfunc truncf
f32adb22 2972
57bd82d4 2973# these are off by default, so fail if requested and not available
a1b3c5a3 2974enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
47941088 2975enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
bc8c1395 2976enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
79fda097 2977enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
37eeb5e2 2978enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
a5b64584 2979enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
5af41508 2980enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3641b048 2981enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
9b9d3868 2982enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
eb7626a3
MR
2983enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2984enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4fa18c56 2985enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3d6fac8c 2986enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0de9c41f 2987enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4fa18c56
MR
2988enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2989enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
ae14f311 2990enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2991enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
d89e738a 2992enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
f502ff3f 2993enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
7483e694 2994enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
7d07d6f5
DB
2995enabled libvpx && {
2996 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2997 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2998 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2999 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
eb7626a3 3000enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
46c3c53b
AK
3001 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3002 die "ERROR: libx264 version must be >= 0.118."; }
de295976 3003enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2bfecf73 3004enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
a060866f
MS
3005enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3006 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3007 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3008 die "ERROR: openssl not found"; }
8ac17293 3009
0b4a1821
AS
3010# libdc1394 check
3011if enabled libdc1394; then
3012 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3013 enable libdc1394_2; } ||
3014 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3015 enable libdc1394_1; } ||
3016 die "ERROR: No version of libdc1394 found "
3017fi
3018
9bd41bb1 3019if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
aa692d54
MR
3020 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3021 enable sdl &&
3022 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 3023fi
57bd82d4 3024
2270b4b2 3025texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 3026
c6f95144 3027check_header linux/fb.h
06e31011 3028check_header linux/videodev2.h
a6a4793d
LB
3029check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3030
1b6e8b73 3031check_header sys/videoio.h
47f38850 3032
27796dc3 3033check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
3034# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3035# w32api 3.12 had it defined wrong
3036check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 3037
f8aa696f 3038# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
3039{ check_header dev/bktr/ioctl_meteor.h &&
3040 check_header dev/bktr/ioctl_bt848.h; } ||
3041{ check_header machine/ioctl_meteor.h &&
3042 check_header machine/ioctl_bt848.h; } ||
3043{ check_header dev/video/meteor/ioctl_meteor.h &&
3044 check_header dev/video/bktr/ioctl_bt848.h; } ||
3045check_header dev/ic/bt8xx.h
f8aa696f 3046
15d59d2c 3047check_header sndio.h
c7682de0
RP
3048check_header sys/soundcard.h
3049check_header soundcard.h
deb29777 3050
b6f3d925 3051enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 3052
8772997d
SM
3053enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3054 check_func jack_port_get_latency_range -ljack
80ff8a16 3055
15d59d2c
B
3056enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3057
e417d80d
AK
3058enabled libcdio &&
3059 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3060
4a584eda
JA
3061enabled x11grab &&
3062require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3063require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3064require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
f58f4ce1 3065
ac3dbb4d
SZ
3066# check for VDA header
3067if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
be1e8725 3068 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
ac3dbb4d
SZ
3069fi
3070
598ef02b 3071if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
3072check_cpp_condition \
3073 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
3074 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3075 disable vdpau; }
abf649c7 3076fi
deda2a4a 3077
95e561ec 3078enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
3079
3080# add some useful compiler flags if supported
3081check_cflags -Wdeclaration-after-statement
dcd479c0 3082check_cflags -Wall
440e3b2f 3083check_cflags -Wno-parentheses
dcd479c0 3084check_cflags -Wno-switch
b36518dc 3085check_cflags -Wno-format-zero-length
c07bd6a9
MN
3086check_cflags -Wdisabled-optimization
3087check_cflags -Wpointer-arith
3088check_cflags -Wredundant-decls
cc1fb623 3089check_cflags -Wno-pointer-sign
f4929996 3090check_cflags -Wcast-qual
9aceb3cf 3091check_cflags -Wwrite-strings
652a5bf6 3092check_cflags -Wtype-limits
764551c6 3093check_cflags -Wundef
fc298fd9 3094check_cflags -Wmissing-prototypes
c2ed91de 3095check_cflags -Wstrict-prototypes
5af4e0cc 3096enabled extra_warnings && check_cflags -Winline
cf9d24ad 3097
57bd82d4 3098# add some linker flags
5c0e9479 3099check_ldflags -Wl,--warn-common
3510a133 3100check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
fef2d661 3101test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
94a3401e 3102
47876d66 3103enabled xmm_clobber_test &&
7e4d9d5d
RB
3104 check_ldflags -Wl,--wrap,avcodec_open2 \
3105 -Wl,--wrap,avcodec_decode_audio4 \
3106 -Wl,--wrap,avcodec_decode_video2 \
3107 -Wl,--wrap,avcodec_decode_subtitle2 \
3108 -Wl,--wrap,avcodec_encode_audio2 \
3109 -Wl,--wrap,avcodec_encode_video \
3110 -Wl,--wrap,avcodec_encode_subtitle \
47876d66 3111 -Wl,--wrap,sws_scale ||
7e4d9d5d
RB
3112 disable xmm_clobber_test
3113
a482e61b 3114echo "X{};" > $TMPV
b462d132 3115if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 3116 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
3117 check_cc <<EOF && enable symver_asm_label
3118void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 3119void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
3120EOF
3121 check_cc <<EOF && enable symver_gnu_asm
3122__asm__(".symver ff_foo,av_foo@VERSION");
3123void ff_foo(void) {}
3124EOF
3125fi
a482e61b 3126
9cd7b854
MR
3127if [ -n "$optflags" ]; then
3128 add_cflags $optflags
3129elif enabled small; then
01d31e16 3130 add_cflags $cflags_size
8400d6b8 3131elif enabled optimizations; then
01d31e16 3132 add_cflags $cflags_speed
b05394a0 3133else
01d31e16 3134 add_cflags $cflags_noopt
cddf3f45 3135fi
11fdbc44 3136check_cflags -fno-math-errno
b2eb2ff0 3137check_cflags -fno-signed-zeros
cddf3f45 3138
629687f6 3139if enabled icc; then
b1598b58
MR
3140 # Just warnings, no remarks
3141 check_cflags -w1
3142 # -wd: Disable following warnings
3143 # 144, 167, 556: -Wno-pointer-sign
91bcad19 3144 # 1292: attribute "foo" ignored
88de5b0a 3145 # 1419: external declaration in primary source file
b1598b58 3146 # 10006: ignoring unknown option -fno-signed-zeros
f1c7c6ae 3147 # 10148: ignoring unknown option -Wno-parentheses
b1598b58 3148 # 10156: ignoring option '-W'; no argument required
88de5b0a 3149 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
b1598b58
MR
3150 # 11030: Warning unknown option --as-needed
3151 # 10156: ignoring option '-export'; no argument required
3152 check_ldflags -wd10156,11030
3153 # Allow to compile with optimizations
3154 check_ldflags -march=$cpu
be2cf98a
CEH
3155 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3156 enable ebp_available
bdefad73 3157 if enabled x86_32; then
07e3f9af 3158 icc_version=$($cc -dumpversion)
47876d66
DB
3159 test ${icc_version%%.*} -ge 11 &&
3160 check_cflags -falign-stack=maintain-16-byte ||
bdefad73
MR
3161 disable aligned_stack
3162 fi
df442a8d
MR
3163elif enabled ccc; then
3164 # disable some annoying warnings
3165 add_cflags -msg_disable cvtu32to64
3166 add_cflags -msg_disable embedcomment
3167 add_cflags -msg_disable needconstext
3168 add_cflags -msg_disable nomainieee
3169 add_cflags -msg_disable ptrmismatch1
3170 add_cflags -msg_disable unreachcode
973859f5
MR
3171elif enabled gcc; then
3172 check_cflags -fno-tree-vectorize
765e6134 3173 check_cflags -Werror=implicit-function-declaration
de63bfec 3174 check_cflags -Werror=missing-prototypes
9d6b2077 3175 check_cflags -Werror=declaration-after-statement
613a4e3f
MR
3176elif enabled llvm_gcc; then
3177 check_cflags -mllvm -stack-alignment=16
06da6943 3178elif enabled clang; then
5c8ef670 3179 check_cflags -mllvm -stack-alignment=16
06da6943 3180 check_cflags -Qunused-arguments
138132be
MR
3181elif enabled armcc; then
3182 # 2523: use of inline assembler is deprecated
bcafde61
MR
3183 add_cflags -W${armcc_opt},--diag_suppress=2523
3184 add_cflags -W${armcc_opt},--diag_suppress=1207
5a92140b 3185 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
b0c1b66a 3186 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
d0ce090e
MR
3187 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3188 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
587d24ff
MR
3189elif enabled tms470; then
3190 add_cflags -pds=824 -pds=837
5f3b8314
MR
3191elif enabled pathscale; then
3192 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
504a64b9
CEH
3193fi
3194