build: Rename YASMDEP variable to DEPYASM for consistency
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
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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]
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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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225 --enable-pic build position-independent code
226 --enable-sram allow use of on-chip SRAM
227 --disable-symver disable symbol versioning
228 --disable-fastdiv disable table-based division
229 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
230 --disable-safe-bitstream-reader
231 disable buffer boundary checking in bitreaders
232 (faster, but may crash)
233 --enable-memalign-hack emulate memalign, interferes with memory debuggers
234
235Optimization options (experts only):
c8a4ae00 236 --disable-asm disable all assembler optimizations
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237 --disable-altivec disable AltiVec optimizations
238 --disable-amd3dnow disable 3DNow! optimizations
239 --disable-amd3dnowext disable 3DNow! extended optimizations
240 --disable-mmx disable MMX optimizations
241 --disable-mmx2 disable MMX2 optimizations
242 --disable-sse disable SSE optimizations
243 --disable-ssse3 disable SSSE3 optimizations
87f1355f 244 --disable-avx disable AVX optimizations
79687079 245 --disable-fma4 disable FMA4 optimizations
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246 --disable-armv5te disable armv5te optimizations
247 --disable-armv6 disable armv6 optimizations
248 --disable-armv6t2 disable armv6t2 optimizations
249 --disable-armvfp disable ARM VFP optimizations
06454877 250 --disable-mmi disable MMI optimizations
5ea20630 251 --disable-neon disable NEON optimizations
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252 --disable-vis disable VIS optimizations
253 --disable-yasm disable use of yasm assembler
06454877 254
070c5d0f 255Developer options (useful when working on Libav itself):
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256 --disable-debug disable debugging symbols
257 --enable-debug=LEVEL set the debug level [$debuglevel]
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258 --disable-optimizations disable compiler optimizations
259 --enable-extra-warnings enable more compiler warnings
52b3cc60 260 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 261 \$LIBAV_SAMPLES at make invocation time.
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262 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
263 should be used only for debugging purposes)
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264
265NOTE: Object files are built at the place where configure is launched.
266EOF
60e8bc13 267 exit 0
74c53c2d 268}
cf9d24ad 269
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270quotes='""'
271
57bd82d4 272log(){
2270b4b2 273 echo "$@" >> $logfile
57bd82d4
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274}
275
720c69da 276log_file(){
c8e9f801 277 log BEGIN $1
2270b4b2 278 pr -n -t $1 >> $logfile
c8e9f801
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279 log END $1
280}
281
2ba042a7 282echolog(){
c8e9f801 283 log "$@"
57bd82d4 284 echo "$@"
2ba042a7
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285}
286
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287warn(){
288 log "WARNING: $*"
289 WARNINGS="${WARNINGS}WARNING: $*\n"
290}
291
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292die(){
293 echolog "$@"
294 cat <<EOF
d326cf7f 295
2ba042a7 296If you think configure made a mistake, make sure you are using the latest
4a6a21f5 297version from Git. If the latest version fails, report the problem to the
070c5d0f 298libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 299EOF
e155a21a 300 if disabled logging; then
2ba042a7 301 cat <<EOF
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302Rerun configure with logging enabled (do not use --disable-logging), and
303include the log this produces with your report.
2ba042a7
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304EOF
305 else
306cat <<EOF
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307Include the log file "$logfile" produced by configure as this will help
308solving the problem.
2ba042a7
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309EOF
310 fi
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311 exit 1
312}
313
6c6007d6 314# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 315toupper(){
6c6007d6 316 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
317}
318
4a5444db 319tolower(){
6c6007d6 320 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
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321}
322
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MR
323c_escape(){
324 echo "$*" | sed 's/["\\]/\\\0/g'
325}
326
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MR
327sh_quote(){
328 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 329 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
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330 echo "$v"
331}
332
bb7a22b5
MR
333cleanws(){
334 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
335}
336
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MR
337filter(){
338 pat=$1
339 shift
340 for v; do
98ef6079 341 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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342 done
343}
344
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345filter_out(){
346 pat=$1
347 shift
348 for v; do
349 eval "case $v in $pat) ;; *) echo $v ;; esac"
350 done
351}
352
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MR
353map(){
354 m=$1
355 shift
e0e335a0 356 for v; do eval $m; done
36e2dea0
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357}
358
a8d04fba
MR
359set_all(){
360 value=$1
361 shift
362 for var in $*; do
363 eval $var=$value
364 done
365}
366
72a43668
MR
367set_weak(){
368 value=$1
369 shift
370 for var; do
371 eval : \${$var:=$value}
372 done
373}
374
3f8040db
MR
375set_safe(){
376 var=$1
377 shift
378 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
379}
380
381get_safe(){
382 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
383}
384
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MR
385pushvar(){
386 for var in $*; do
387 eval level=\${${var}_level:=0}
388 eval ${var}_${level}="\$$var"
389 eval ${var}_level=$(($level+1))
390 done
391}
392
393popvar(){
394 for var in $*; do
395 eval level=\${${var}_level:-0}
396 test $level = 0 && continue
397 eval level=$(($level-1))
398 eval $var="\${${var}_${level}}"
399 eval ${var}_level=$level
400 eval unset ${var}_${level}
401 done
402}
403
a8d04fba
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404enable(){
405 set_all yes $*
406}
407
408disable(){
409 set_all no $*
410}
411
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412enable_weak(){
413 set_weak yes $*
414}
415
416disable_weak(){
417 set_weak no $*
418}
419
72702705 420enable_safe(){
fd07f803
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421 for var; do
422 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
423 done
72702705
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424}
425
426disable_safe(){
fd07f803
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427 for var; do
428 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
429 done
72702705
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430}
431
f9d328da
MR
432do_enable_deep(){
433 for var; do
434 enabled $var && continue
435 eval sel="\$${var}_select"
c510c7b5
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436 eval sgs="\$${var}_suggest"
437 pushvar var sgs
f9d328da 438 enable_deep $sel
c510c7b5
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439 popvar sgs
440 enable_deep_weak $sgs
f9d328da
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441 popvar var
442 done
443}
444
445enable_deep(){
446 do_enable_deep $*
447 enable $*
448}
449
72a43668
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450enable_deep_weak(){
451 do_enable_deep $*
452 enable_weak $*
453}
454
57bd82d4 455enabled(){
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MR
456 test "${1#!}" = "$1" && op== || op=!=
457 eval test "x\$${1#!}" $op "xyes"
44161118
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458}
459
37970ebf 460disabled(){
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MR
461 test "${1#!}" = "$1" && op== || op=!=
462 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
463}
464
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465enabled_all(){
466 for opt; do
467 enabled $opt || return 1
468 done
469}
470
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471disabled_all(){
472 for opt; do
473 disabled $opt || return 1
474 done
475}
476
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477enabled_any(){
478 for opt; do
479 enabled $opt && return 0
480 done
481}
482
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483disabled_any(){
484 for opt; do
485 disabled $opt && return 0
486 done
f7b230a7 487 return 1
85bca2c5
DB
488}
489
c9d19248
MR
490set_default(){
491 for opt; do
88268e94 492 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
493 done
494}
495
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496is_in(){
497 value=$1
498 shift
499 for var in $*; do
500 [ $var = $value ] && return 0
501 done
502 return 1
503}
504
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505check_deps(){
506 for cfg; do
3250003c 507 cfg="${cfg#!}"
799c9e9b
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508 enabled ${cfg}_checking && die "Circular dependency for $cfg."
509 disabled ${cfg}_checking && continue
510 enable ${cfg}_checking
511
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512 eval dep_all="\$${cfg}_deps"
513 eval dep_any="\$${cfg}_deps_any"
7ef3425f 514 eval dep_sel="\$${cfg}_select"
c510c7b5 515 eval dep_sgs="\$${cfg}_suggest"
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516 eval dep_ifa="\$${cfg}_if"
517 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 518
3d7453e0
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519 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
520 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
521 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 522
3d7453e0
MR
523 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
524 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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MR
525 enabled_all $dep_all || disable $cfg
526 enabled_any $dep_any || disable $cfg
7ef3425f 527 disabled_any $dep_sel && disable $cfg
799c9e9b 528
4ec45764
RP
529 if enabled $cfg; then
530 eval dep_extralibs="\$${cfg}_extralibs"
531 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 532 enable_deep $dep_sel
c510c7b5 533 enable_deep_weak $dep_sgs
4ec45764
RP
534 fi
535
799c9e9b 536 disable ${cfg}_checking
30fd06be
MR
537 done
538}
539
72cfcf41
MR
540print_config_h(){
541 enabled $1 && v=1 || v=0
542 echo "#define $2 $v"
543}
544
545print_config_mak(){
546 enabled $1 && v= || v=!
547 echo "$v$2=yes"
548}
549
55127e7b 550print_config_asm(){
3b15a6d7
RB
551 enabled $1 && v=1 || v=0
552 echo "%define $2 $v"
55127e7b
MR
553}
554
44161118
MR
555print_config(){
556 pfx=$1
72cfcf41
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557 files=$2
558 shift 2
44161118 559 for cfg; do
5e622c40 560 ucname="$(toupper $cfg)"
72cfcf41
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561 for f in $files; do
562 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
563 done
44161118 564 done
57bd82d4
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565}
566
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MR
567print_enabled(){
568 test "$1" = -n && end=" " && shift || end="\n"
569 suf=$1
570 shift
571 for v; do
572 enabled $v && printf "%s$end" ${v%$suf};
573 done
574}
575
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576append(){
577 var=$1
578 shift
57bd82d4
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579 eval "$var=\"\$$var $*\""
580}
581
60361817
MR
582prepend(){
583 var=$1
584 shift
585 eval "$var=\"$* \$$var\""
586}
587
50a334e4 588add_cppflags(){
cd52ec95 589 append CPPFLAGS "$@"
50a334e4
MR
590}
591
57bd82d4 592add_cflags(){
01d31e16 593 append CFLAGS $($cflags_filter "$@")
57bd82d4
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594}
595
2f2e6c7c 596add_asflags(){
01d31e16 597 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
598}
599
57bd82d4 600add_ldflags(){
64933b6c 601 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
602}
603
604add_extralibs(){
64933b6c 605 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
606}
607
6c3fa06a
MR
608add_host_cflags(){
609 append host_cflags $($host_cflags_filter "$@")
610}
611
612add_host_ldflags(){
613 append host_ldflags $($host_ldflags_filter "$@")
614}
615
b0cfb663 616check_cmd(){
b3cb5d51 617 log "$@"
2270b4b2 618 "$@" >> $logfile 2>&1
b0cfb663
MR
619}
620
b2704a65
MR
621cc_o(){
622 eval printf '%s\\n' $CC_O
623}
624
dcd479c0 625check_cc(){
57bd82d4 626 log check_cc "$@"
2270b4b2 627 cat > $TMPC
720c69da 628 log_file $TMPC
b2704a65 629 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c $(cc_o $TMPO) $TMPC
57bd82d4
MR
630}
631
632check_cpp(){
633 log check_cpp "$@"
2270b4b2 634 cat > $TMPC
720c69da 635 log_file $TMPC
9e7f3277 636 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
637}
638
f65883c8
MR
639check_as(){
640 log check_as "$@"
641 cat > $TMPC
642 log_file $TMPC
2f2e6c7c 643 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
644}
645
940f335a
MR
646check_asm(){
647 log check_asm "$@"
648 name="$1"
3784e82e 649 code="$2"
940f335a 650 shift 2
49214f61
MR
651 disable $name
652 check_as "$@" <<EOF && enable $name
3784e82e 653void foo(void){ __asm__ volatile($code); }
940f335a
MR
654EOF
655}
656
304d586d
LM
657check_yasm(){
658 log check_yasm "$@"
659 echo "$1" > $TMPS
660 log_file $TMPS
661 shift 1
662 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
663}
664
dcd479c0 665check_ld(){
57bd82d4 666 log check_ld "$@"
3155a644
MR
667 flags=''
668 libs=''
669 for f; do
670 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
671 done
01d31e16 672 check_cc $($cflags_filter $flags) || return
64933b6c
MR
673 flags=$($ldflags_filter $flags)
674 libs=$($ldflags_filter $libs)
7e75f9fe 675 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
dcd479c0
MR
676}
677
5adc829e
MR
678check_code(){
679 log check_code "$@"
680 check=$1
681 headers=$2
682 code=$3
683 shift 3
684 {
685 for hdr in $headers; do
686 echo "#include <$hdr>"
687 done
688 echo "int main(void) { $code; return 0; }"
689 } | check_$check "$@"
690}
691
50a334e4
MR
692check_cppflags(){
693 log check_cppflags "$@"
caf458dd 694 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
695int x;
696EOF
697}
698
dcd479c0 699check_cflags(){
57bd82d4 700 log check_cflags "$@"
01d31e16 701 set -- $($cflags_filter "$@")
caf458dd 702 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
703int x;
704EOF
705}
706
2ed46eea
MR
707test_ldflags(){
708 log test_ldflags "$@"
709 check_ld "$@" <<EOF
c23a0ac8 710int main(void){ return 0; }
dcd479c0
MR
711EOF
712}
713
2ed46eea
MR
714check_ldflags(){
715 log check_ldflags "$@"
716 test_ldflags "$@" && add_ldflags "$@"
717}
718
dcd479c0 719check_header(){
57bd82d4 720 log check_header "$@"
dcd479c0
MR
721 header=$1
722 shift
b77df637
MR
723 disable_safe $header
724 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
725#include <$header>
726int x;
727EOF
728}
729
730check_func(){
57bd82d4 731 log check_func "$@"
dcd479c0
MR
732 func=$1
733 shift
d8bc5f06
MR
734 disable $func
735 check_ld "$@" <<EOF && enable $func
dcd479c0 736extern int $func();
c23a0ac8 737int main(void){ $func(); }
dcd479c0
MR
738EOF
739}
740
645d2652 741check_mathfunc(){
6b73c0ae 742 log check_mathfunc "$@"
645d2652
MR
743 func=$1
744 shift
745 disable $func
746 check_ld "$@" <<EOF && enable $func
747#include <math.h>
33bd38db
MR
748float foo(float f) { return $func(f); }
749int main(void){ return 0; }
645d2652
MR
750EOF
751}
752
2446d3d6
DB
753check_func_headers(){
754 log check_func_headers "$@"
f8d7b072 755 headers=$1
edaf1ae2 756 funcs=$2
f8d7b072 757 shift 2
edaf1ae2
MR
758 {
759 for hdr in $headers; do
760 echo "#include <$hdr>"
761 done
762 for func in $funcs; do
763 echo "long check_$func(void) { return (long) $func; }"
764 done
765 echo "int main(void) { return 0; }"
766 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
767}
768
a5344cf7
SS
769check_cpp_condition(){
770 log check_cpp_condition "$@"
771 header=$1
772 condition=$2
f855b7b9 773 shift 2
cd52ec95 774 check_cpp "$@" <<EOF
a5344cf7
SS
775#include <$header>
776#if !($condition)
777#error "unsatisfied condition: $condition"
778#endif
779EOF
780}
781
57bd82d4
MR
782check_lib(){
783 log check_lib "$@"
784 header="$1"
785 func="$2"
786 shift 2
84400e9d 787 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
788}
789
f8d7b072
MR
790check_lib2(){
791 log check_lib2 "$@"
792 headers="$1"
edaf1ae2 793 funcs="$2"
f8d7b072 794 shift 2
edaf1ae2 795 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
796}
797
3f8040db
MR
798check_pkg_config(){
799 log check_pkg_config "$@"
800 pkg="$1"
801 headers="$2"
802 funcs="$3"
803 shift 3
804 $pkg_config --exists $pkg || return
805 pkg_cflags=$($pkg_config --cflags $pkg)
806 pkg_libs=$($pkg_config --libs $pkg)
807 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
808 set_safe ${pkg}_cflags $pkg_cflags &&
809 set_safe ${pkg}_libs $pkg_libs
810}
811
dcd479c0 812check_exec(){
2270b4b2 813 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
814}
815
7dfef245 816check_exec_crash(){
5e622c40 817 code=$(cat)
7dfef245
MR
818
819 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
820 # are safe but may not be available everywhere. Thus we use
821 # raise(SIGTERM) instead. The check is run in a subshell so we
822 # can redirect the "Terminated" message from the shell. SIGBUS
823 # is not defined by standard C so it is used conditionally.
824
2270b4b2 825 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
826#include <signal.h>
827static void sighandler(int sig){
828 raise(SIGTERM);
829}
e5af4a11 830int main(void){
7dfef245
MR
831 signal(SIGILL, sighandler);
832 signal(SIGFPE, sighandler);
833 signal(SIGSEGV, sighandler);
834#ifdef SIGBUS
835 signal(SIGBUS, sighandler);
836#endif
837 { $code }
838}
839EOF
840}
841
72be9e73
DY
842check_type(){
843 log check_type "$@"
844 headers=$1
845 type=$2
846 shift 2
ae550ce9 847 disable_safe "$type"
5adc829e 848 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
849}
850
14d36751
MR
851check_struct(){
852 log check_type "$@"
853 headers=$1
854 struct=$2
855 member=$3
856 shift 3
857 disable_safe "${struct}_${member}"
5adc829e
MR
858 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
859 enable_safe "${struct}_${member}"
14d36751
MR
860}
861
57bd82d4
MR
862require(){
863 name="$1"
864 header="$2"
865 func="$3"
866 shift 3
867 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
868}
869
f8d7b072
MR
870require2(){
871 name="$1"
872 headers="$2"
873 func="$3"
874 shift 3
875 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
876}
877
3f8040db
MR
878require_pkg_config(){
879 pkg="$1"
880 check_pkg_config "$@" || die "ERROR: $pkg not found"
881 add_cflags $(get_safe ${pkg}_cflags)
882 add_extralibs $(get_safe ${pkg}_libs)
883}
884
f0125de9
MR
885check_host_cc(){
886 log check_host_cc "$@"
887 cat > $TMPC
888 log_file $TMPC
889 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
890}
891
892check_host_cflags(){
893 log check_host_cflags "$@"
6c3fa06a 894 set -- $($host_cflags_filter "$@")
f0125de9
MR
895 check_host_cc "$@" <<EOF && append host_cflags "$@"
896int x;
897EOF
898}
899
c505dd31
MR
900apply(){
901 file=$1
902 shift
903 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
904}
905
c34681df 906cp_if_changed(){
5e27ec28
MR
907 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
908 mkdir -p "$(dirname $2)"
909 cp -f "$1" "$2"
c34681df
MR
910}
911
dcd61286
DB
912# CONFIG_LIST contains configurable options, while HAVE_LIST is for
913# system-dependent things.
914
4a0d6686
AJ
915COMPONENT_LIST="
916 bsfs
917 decoders
918 demuxers
919 encoders
3cde40aa 920 filters
5666fd73 921 hwaccels
c552605c 922 indevs
4a0d6686 923 muxers
c552605c 924 outdevs
4a0d6686
AJ
925 parsers
926 protocols
927"
928
055c61b8
DB
929PROGRAM_LIST="
930 avconv
931 avplay
932 avprobe
933 avserver
055c61b8
DB
934"
935
4a0d6686
AJ
936CONFIG_LIST="
937 $COMPONENT_LIST
055c61b8 938 $PROGRAM_LIST
a5444fee 939 ac3dsp
5a0f7131
MR
940 avcodec
941 avdevice
f7679c54 942 avfilter
5a0f7131 943 avformat
c8af852b 944 avresample
c88f5d72 945 avisynth
f402916e 946 bzlib
7f3f5f46 947 dct
c73f65d9 948 doc
05aec7bb 949 dwt
92c6a099 950 dxva2
27a9466b 951 fastdiv
1848f7d9 952 fft
47941088 953 frei0r
acd554c1 954 gcrypt
bc8c1395 955 gnutls
c88f5d72 956 gpl
d8d0d0b2 957 gray
3abe5fbd 958 hardcoded_tables
e417d80d 959 libcdio
f7b8bffe 960 libdc1394
2eed5a46 961 libfaac
37eeb5e2 962 libfdk_aac
a5b64584 963 libfreetype
c88f5d72 964 libgsm
3641b048 965 libilbc
6ebe07fb 966 libmp3lame
0b175caa
DB
967 libopencore_amrnb
968 libopencore_amrwb
6ebf0bfc 969 libopencv
9a77d59a 970 libopenjpeg
0de9c41f 971 libpulse
0f943ce6 972 librtmp
f7cd9eed 973 libschroedinger
ae14f311 974 libspeex
150d2772 975 libtheora
d89e738a 976 libvo_aacenc
f502ff3f 977 libvo_amrwbenc
c88f5d72 978 libvorbis
8299a7f8 979 libvpx
1cc60c47 980 libx264
de295976 981 libxavs
1cc60c47 982 libxvid
b781cc12 983 lsp
47a158cb 984 mdct
c88f5d72 985 memalign_hack
c4f5c2d6 986 mpegaudiodsp
acd554c1 987 nettle
c88f5d72 988 network
3fe142e2 989 nonfree
a060866f 990 openssl
8a3c8627 991 pic
68602540 992 rdft
44b70ce5 993 rtpdec
e90f5b5a 994 runtime_cpudetect
8cfbbd92 995 safe_bitstream_reader
2e35e684 996 shared
4538729a 997 sinewin
bd2216e4 998 small
6b35d421 999 sram
2e35e684 1000 static
5a0f7131 1001 swscale
a9ddb5b1 1002 swscale_alpha
8986fddc 1003 thumb
17492d5e 1004 vaapi
ac3dbb4d 1005 vda
17492d5e 1006 vdpau
9cad0e4e 1007 version3
7e4d9d5d 1008 xmm_clobber_test
56a059ac 1009 x11grab
c88f5d72 1010 zlib
4a0d6686 1011"
c88f5d72 1012
8eee7025 1013THREADS_LIST='
8eee7025
DB
1014 pthreads
1015 w32threads
1016'
1017
3f5b56e5
MR
1018ARCH_LIST='
1019 alpha
a2fc0f6a 1020 arm
fdcd782d
MR
1021 avr32
1022 avr32_ap
1023 avr32_uc
3f5b56e5
MR
1024 bfin
1025 ia64
1026 m68k
1027 mips
bae3abb0 1028 mips64
3f5b56e5 1029 parisc
79cb09b2 1030 ppc
34d11b87 1031 ppc64
3f5b56e5
MR
1032 s390
1033 sh4
1034 sparc
1035 sparc64
0844bae1 1036 tomi
3f5b56e5
MR
1037 x86
1038 x86_32
1039 x86_64
1040'
1041
1042ARCH_EXT_LIST='
1ac9331a 1043 altivec
3bf96eec 1044 amd3dnow
a1ef9f08 1045 amd3dnowext
1ac9331a 1046 armv5te
edab3048 1047 armv6
ab5cb084 1048 armv6t2
f55b299a 1049 armvfp
87f1355f 1050 avx
79687079 1051 fma4
3f5b56e5
MR
1052 mmi
1053 mmx
d7f0920b 1054 mmx2
6b18d278 1055 neon
799fde37 1056 ppc4xx
1bb04d5a 1057 sse
9eeed841 1058 ssse3
93eb8e4d 1059 vfpv3
bd9d34a0 1060 vis
3f5b56e5
MR
1061'
1062
a3e02a8c
MR
1063HAVE_LIST_PUB='
1064 bigendian
d268eee9 1065 fast_unaligned
a3e02a8c
MR
1066'
1067
3f5b56e5
MR
1068HAVE_LIST="
1069 $ARCH_EXT_LIST
a3e02a8c 1070 $HAVE_LIST_PUB
3f5b56e5 1071 $THREADS_LIST
be1a839c 1072 aligned_malloc
59782b82 1073 aligned_stack
35fd8122 1074 alsa_asoundlib_h
3f5b56e5 1075 altivec_h
c9fdab0d 1076 arpa_inet_h
6308729e 1077 asm_mod_y
dffb41b9 1078 attribute_may_alias
e7ea5e3d 1079 attribute_packed
15333562 1080 cbrtf
ecf97f22 1081 closesocket
1ac9331a 1082 cmov
c0ee695b 1083 cpuid
c88f5d72 1084 dcbzl
f8aa696f
DB
1085 dev_bktr_ioctl_bt848_h
1086 dev_bktr_ioctl_meteor_h
1087 dev_ic_bt8xx_h
f8aa696f 1088 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1089 dev_video_meteor_ioctl_meteor_h
18b67ae5 1090 dlfcn_h
c88f5d72 1091 dlopen
bc574408 1092 dos_paths
fa845061 1093 dxva_h
245626d0
DB
1094 ebp_available
1095 ebx_available
6b7c7703
VS
1096 exp2
1097 exp2f
c2a29455 1098 fast_64bit
669b5583 1099 fast_clz
7073e9fc 1100 fast_cmov
534a2231 1101 fcntl
9d99cc5a 1102 fork
84882df6 1103 getaddrinfo
da9e86f8 1104 gethrtime
667fb97a 1105 getopt
02e8f427 1106 GetProcessAffinityMask
fc5607f8 1107 GetProcessMemoryInfo
4e68cb8a 1108 GetProcessTimes
61183b5a 1109 GetSystemTimeAsFileTime
66be5b45 1110 getrusage
61183b5a 1111 gettimeofday
a49d3025 1112 gnu_as
2f0c136e 1113 ibm_asm
2e1913b1 1114 inet_aton
61d251db 1115 inline_asm
3b1ab197 1116 io_h
abfc8d05 1117 isatty
46df708b
MS
1118 isinf
1119 isnan
8772997d 1120 jack_port_get_latency_range
9f5ff83f 1121 ldbrx
0b4a1821
AS
1122 libdc1394_1
1123 libdc1394_2
a33cab3a 1124 llrint
07876e25 1125 llrintf
d96cd429
MR
1126 local_aligned_16
1127 local_aligned_8
a5b64584 1128 localtime_r
291fd18a 1129 log2
6b7c7703 1130 log2f
85dd97ad 1131 loongson
a33cab3a 1132 lrint
c88f5d72 1133 lrintf
f8aa696f
DB
1134 machine_ioctl_bt848_h
1135 machine_ioctl_meteor_h
c88f5d72 1136 malloc_h
73f6d31e 1137 MapViewOfFile
c88f5d72 1138 memalign
6ffa87d3 1139 mkstemp
f80ddd5b 1140 mm_empty
0328b9ea 1141 mmap
d3d3a32c 1142 nanosleep
5699884c 1143 netinet_sctp_h
3e0b1c9a 1144 poll_h
1f91cdce 1145 posix_memalign
07b28702 1146 rdtsc
183b1c22 1147 rint
a33cab3a
MK
1148 round
1149 roundf
358d854d 1150 rweflags
ea4d5f48 1151 sched_getaffinity
c88f5d72
MR
1152 sdl
1153 sdl_video_size
b507ebd1 1154 setmode
3e0b1c9a 1155 setrlimit
d3d3a32c 1156 Sleep
15d59d2c 1157 sndio_h
72be9e73 1158 socklen_t
deb29777 1159 soundcard_h
87958234 1160 strerror_r
6379900c 1161 strptime
47941088 1162 strtok_r
c0018613 1163 struct_addrinfo
75d339e0
MS
1164 struct_group_source_req
1165 struct_ip_mreq_source
b4d68544 1166 struct_ipv6_mreq
cdee08e3 1167 struct_pollfd
3e0b1c9a 1168 struct_rusage_ru_maxrss
b4d68544 1169 struct_sockaddr_in6
3b2372bf 1170 struct_sockaddr_sa_len
33a4dbdd 1171 struct_sockaddr_storage
a6a4793d 1172 struct_v4l2_frmivalenum_discrete
b462d132 1173 symver
b462d132 1174 symver_asm_label
3e0b1c9a 1175 symver_gnu_asm
bcc73960 1176 sysconf
b9e22269 1177 sysctl
b58412f1 1178 sys_mman_h
06bb5905 1179 sys_param_h
b091aa44 1180 sys_resource_h
81644c2e 1181 sys_select_h
deb29777 1182 sys_soundcard_h
e64bceea 1183 sys_time_h
1b6e8b73 1184 sys_videoio_h
b265431e 1185 threads
23d3931a 1186 trunc
7b04b8a0 1187 truncf
542920b7 1188 unistd_h
d3d3a32c 1189 usleep
ce742de2 1190 vfp_args
7c5bfe7a 1191 VirtualAlloc
d3d3a32c 1192 windows_h
6ff3f3e7 1193 winsock2_h
cc078b5d 1194 xform_asm
3f150ffb 1195 xgetbv
6f74fb03 1196 xmm_clobbers
304d586d 1197 yasm
0cb78cef 1198"
44161118 1199
b6bb00b0
MR
1200# options emitted with CONFIG_ prefix but not available on command line
1201CONFIG_EXTRA="
87849592 1202 aandcttables
dc4f5a1c 1203 avutil
478fd534 1204 golomb
9cad0e4e 1205 gplv3
478fd534
DB
1206 h264chroma
1207 h264dsp
1208 h264pred
915a2a0a 1209 h264qpel
478fd534 1210 huffman
9cad0e4e 1211 lgplv3
478fd534 1212 lpc
ab9f9876 1213 vp3dsp
b6bb00b0
MR
1214"
1215
520cc7f1 1216CMDLINE_SELECT="
3f5b56e5 1217 $ARCH_EXT_LIST
520cc7f1 1218 $CONFIG_LIST
8eee7025 1219 $THREADS_LIST
c8a4ae00 1220 asm
db6107b6 1221 cross_compile
520cc7f1
MR
1222 debug
1223 extra_warnings
8c6afa4d 1224 logging
d2bbb2f7 1225 optimizations
9baec618 1226 symver
7595a5e4 1227 yasm
520cc7f1 1228"
426be5dc
DB
1229
1230PATHS_LIST='
d156bede 1231 bindir
14a8acf1 1232 datadir
26759c44
MR
1233 incdir
1234 libdir
26759c44
MR
1235 mandir
1236 prefix
1237 shlibdir
426be5dc
DB
1238'
1239
1240CMDLINE_SET="
1241 $PATHS_LIST
121d78d0 1242 ar
426be5dc 1243 arch
313c46a6 1244 as
426be5dc
DB
1245 build_suffix
1246 cc
1247 cpu
1248 cross_prefix
50567afa 1249 dep_cc
ac63af34 1250 extra_version
9da6609f
MR
1251 host_cc
1252 host_cflags
1253 host_ldflags
1254 host_libs
82bb3329 1255 host_os
684b28e0 1256 ld
426be5dc 1257 logfile
4ae40685 1258 malloc_prefix
89641463 1259 nm
9cd7b854 1260 optflags
3f8040db 1261 pkg_config
2fad0977 1262 samples
c5200f17
MR
1263 sysinclude
1264 sysroot
a7ada2ba 1265 target_exec
26759c44 1266 target_os
a7ada2ba 1267 target_path
426be5dc 1268"
520cc7f1 1269
89f2932b
MR
1270CMDLINE_APPEND="
1271 extra_cflags
1272"
1273
912f3148
DB
1274# code dependency declarations
1275
9eeed841 1276# architecture extensions
808fa33c 1277
a2fc0f6a
MR
1278armv5te_deps="arm"
1279armv6_deps="arm"
ab5cb084 1280armv6t2_deps="arm"
a2fc0f6a 1281armvfp_deps="arm"
808fa33c 1282neon_deps="arm"
93eb8e4d 1283vfpv3_deps="armvfp"
808fa33c 1284
e241ba14 1285mmi_deps="mips"
808fa33c
MR
1286
1287altivec_deps="ppc"
1288ppc4xx_deps="ppc"
1289
1290vis_deps="sparc"
1291
7f8c3d1f 1292x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1293amd3dnow_deps="mmx"
1294amd3dnowext_deps="amd3dnow"
9eeed841 1295mmx_deps="x86"
75aa95a6 1296mmx2_deps="mmx"
75aa95a6
DB
1297sse_deps="mmx"
1298ssse3_deps="sse"
87f1355f 1299avx_deps="ssse3"
79687079 1300fma4_deps="avx"
9eeed841 1301
59782b82 1302aligned_stack_if_any="ppc x86"
e939cedd 1303fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1304fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1305fast_unaligned_if_any="armv6 ppc x86"
669b5583 1306
6fec122a 1307inline_asm_deps="!tms470"
3e0b1c9a 1308need_memalign="altivec neon sse"
89e053f8 1309
b462d132
MR
1310symver_if_any="symver_asm_label symver_gnu_asm"
1311
26fbcc85 1312# subsystems
dc609252 1313dct_select="rdft"
26fbcc85
MR
1314mdct_select="fft"
1315rdft_select="fft"
c4f5c2d6 1316mpegaudiodsp_select="dct"
26fbcc85 1317
5666fd73 1318# decoders / encoders / hardware accelerators
cfc2a0cf 1319aac_decoder_select="mdct sinewin"
4538729a 1320aac_encoder_select="mdct sinewin"
136e19e1 1321aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1322ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1323ac3_encoder_select="mdct ac3dsp"
3d269059 1324ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1325alac_encoder_select="lpc"
b781cc12 1326amrnb_decoder_select="lsp"
2b2a597e 1327amrwb_decoder_select="lsp"
4538729a 1328atrac1_decoder_select="mdct sinewin"
26fbcc85 1329atrac3_decoder_select="mdct"
a33657ce
DB
1330binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1331binkaudio_rdft_decoder_select="mdct rdft sinewin"
4f034993 1332cavs_decoder_select="golomb"
4538729a 1333cook_decoder_select="mdct sinewin"
2eef7c62 1334cscd_decoder_suggest="zlib"
26fbcc85 1335dca_decoder_select="mdct"
87849592 1336dnxhd_encoder_select="aandcttables"
2eef7c62 1337dxa_decoder_select="zlib"
baf91bb9 1338eac3_decoder_select="ac3_decoder"
aa47c35d 1339eac3_encoder_select="mdct ac3dsp"
87849592
DB
1340eamad_decoder_select="aandcttables"
1341eatgq_decoder_select="aandcttables"
1342eatqi_decoder_select="aandcttables"
4f034993
MR
1343ffv1_decoder_select="golomb"
1344flac_decoder_select="golomb"
f4d608e3 1345flac_encoder_select="golomb lpc"
2eef7c62
AJ
1346flashsv_decoder_select="zlib"
1347flashsv_encoder_select="zlib"
c2d23309 1348flashsv2_decoder_select="zlib"
4414137e 1349flv_decoder_select="h263_decoder"
4d4b4bd1 1350flv_encoder_select="h263_encoder"
3447f12d 1351fraps_decoder_select="huffman"
87849592 1352h261_encoder_select="aandcttables"
7f647ae0 1353h263_decoder_select="h263_parser"
87849592 1354h263_encoder_select="aandcttables"
95a61cfc 1355h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1356h263i_decoder_select="h263_decoder"
fe629c2d 1357h263p_encoder_select="h263_encoder"
915a2a0a 1358h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
92c6a099
LA
1359h264_dxva2_hwaccel_deps="dxva2api_h"
1360h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1361h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1362h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1363h264_vdpau_decoder_select="vdpau h264_decoder"
19be0f3c 1364iac_decoder_select="fft mdct sinewin"
56c8227d 1365imc_decoder_select="fft mdct sinewin"
4f034993
MR
1366jpegls_decoder_select="golomb"
1367jpegls_encoder_select="golomb"
87849592 1368ljpeg_encoder_select="aandcttables"
4f034993 1369loco_decoder_select="golomb"
87849592 1370mjpeg_encoder_select="aandcttables"
2cca233b 1371mlp_decoder_select="mlp_parser"
c4f5c2d6 1372mp1_decoder_select="mpegaudiodsp"
c4f5c2d6 1373mp1float_decoder_select="mpegaudiodsp"
3e0b1c9a 1374mp2_decoder_select="mpegaudiodsp"
c4f5c2d6 1375mp2float_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1376mp3_decoder_select="mpegaudiodsp"
1377mp3adu_decoder_select="mpegaudiodsp"
c4f5c2d6
MR
1378mp3adufloat_decoder_select="mpegaudiodsp"
1379mp3float_decoder_select="mpegaudiodsp"
3e0b1c9a 1380mp3on4_decoder_select="mpegaudiodsp"
c4f5c2d6 1381mp3on4float_decoder_select="mpegaudiodsp"
606c9297
DB
1382mpc7_decoder_select="mpegaudiodsp"
1383mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1384mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1385mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1386mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1387mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
87849592 1388mpeg1video_encoder_select="aandcttables"
164aab02
LA
1389mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1390mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1391mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
87849592 1392mpeg2video_encoder_select="aandcttables"
3e0b1c9a
DB
1393mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1394mpeg4_encoder_select="h263_encoder"
95a61cfc 1395mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1396mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1397msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1398msmpeg4v1_encoder_select="h263_encoder"
4414137e 1399msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1400msmpeg4v2_encoder_select="h263_encoder"
4414137e 1401msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1402msmpeg4v3_encoder_select="h263_encoder"
4538729a
MR
1403nellymoser_decoder_select="mdct sinewin"
1404nellymoser_encoder_select="mdct sinewin"
2eef7c62
AJ
1405png_decoder_select="zlib"
1406png_encoder_select="zlib"
b781cc12 1407qcelp_decoder_select="lsp"
c4f5c2d6 1408qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1409ra_144_encoder_select="lpc"
9f43fdda 1410ralf_decoder_select="golomb"
a8beb22f 1411rv10_decoder_select="h263_decoder"
b2bf38b4 1412rv10_encoder_select="h263_encoder"
a8beb22f 1413rv20_decoder_select="h263_decoder"
b2bf38b4 1414rv20_encoder_select="h263_encoder"
915a2a0a
DB
1415rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1416rv40_decoder_select="golomb h264chroma h264pred h264qpel"
4f034993 1417shorten_decoder_select="golomb"
b781cc12 1418sipr_decoder_select="lsp"
05aec7bb 1419snow_decoder_select="dwt"
87849592
DB
1420snow_encoder_select="aandcttables dwt"
1421svq1_encoder_select="aandcttables"
915a2a0a 1422svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
bee2eac5 1423svq3_decoder_suggest="zlib"
4eef77c1 1424theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1425tiff_decoder_suggest="zlib"
1426tiff_encoder_suggest="zlib"
aec09a00 1427truehd_decoder_select="mlp_decoder"
2eef7c62 1428tscc_decoder_select="zlib"
4538729a 1429twinvq_decoder_select="mdct lsp sinewin"
915a2a0a 1430vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1431vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1432vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1433vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1434vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1435vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1436vorbis_decoder_select="mdct"
1437vorbis_encoder_select="mdct"
ab9f9876
MR
1438vp3_decoder_select="vp3dsp"
1439vp5_decoder_select="vp3dsp"
1440vp6_decoder_select="huffman vp3dsp"
e82dc4c9
DB
1441vp6a_decoder_select="vp6_decoder"
1442vp6f_decoder_select="vp6_decoder"
915a2a0a 1443vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1444wmapro_decoder_select="mdct sinewin"
1445wmav1_decoder_select="mdct sinewin"
1446wmav1_encoder_select="mdct sinewin"
1447wmav2_decoder_select="mdct sinewin"
1448wmav2_encoder_select="mdct sinewin"
1449wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1450wmv1_decoder_select="h263_decoder"
665507aa 1451wmv1_encoder_select="h263_encoder"
f95bfab0 1452wmv2_decoder_select="h263_decoder"
1746e2a9 1453wmv2_encoder_select="h263_encoder"
015f8ee0 1454wmv3_decoder_select="vc1_decoder"
f0f86627 1455wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1456wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1457wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1458wmv3image_decoder_select="wmv3_decoder"
0e714f88 1459zerocodec_decoder_select="zlib"
2eef7c62
AJ
1460zlib_decoder_select="zlib"
1461zlib_encoder_select="zlib"
1462zmbv_decoder_select="zlib"
1463zmbv_encoder_select="zlib"
30fd06be 1464
0afab17e 1465vaapi_deps="va_va_h"
ac3dbb4d 1466vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1467vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1468
28b80940 1469# parsers
6a7c5312 1470h264_parser_select="golomb h264dsp h264pred"
28b80940 1471
912f3148 1472# external libraries
c9171a83 1473libfaac_encoder_deps="libfaac"
37eeb5e2 1474libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1475libgsm_decoder_deps="libgsm"
1476libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1477libgsm_ms_decoder_deps="libgsm"
1478libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1479libilbc_decoder_deps="libilbc"
1480libilbc_encoder_deps="libilbc"
1cc60c47 1481libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1482libopencore_amrnb_decoder_deps="libopencore_amrnb"
1483libopencore_amrnb_encoder_deps="libopencore_amrnb"
1484libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1485libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1486libopenjpeg_encoder_deps="libopenjpeg"
f7cd9eed
AS
1487libschroedinger_decoder_deps="libschroedinger"
1488libschroedinger_encoder_deps="libschroedinger"
ae14f311 1489libspeex_decoder_deps="libspeex"
b606a017 1490libspeex_encoder_deps="libspeex"
150d2772 1491libtheora_encoder_deps="libtheora"
d89e738a 1492libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1493libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1494libvorbis_encoder_deps="libvorbis"
8299a7f8 1495libvpx_decoder_deps="libvpx"
ee0e9146 1496libvpx_encoder_deps="libvpx"
1cc60c47 1497libx264_encoder_deps="libx264"
de295976 1498libxavs_encoder_deps="libxavs"
1cc60c47 1499libxvid_encoder_deps="libxvid"
30fd06be 1500
912f3148 1501# demuxers / muxers
c2dd0e9e 1502ac3_demuxer_select="ac3_parser"
647c2356 1503asf_stream_muxer_select="asf_muxer"
4e622dea 1504avisynth_demuxer_deps="avisynth"
c2dd0e9e 1505dirac_demuxer_select="dirac_parser"
5b423887 1506eac3_demuxer_select="ac3_parser"
c2dd0e9e 1507flac_demuxer_select="flac_parser"
647c2356 1508ipod_muxer_select="mov_muxer"
647c2356 1509matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1510matroska_demuxer_suggest="zlib bzlib"
1511mov_demuxer_suggest="zlib"
c2dd0e9e 1512mp3_demuxer_select="mpegaudio_parser"
647c2356 1513mp4_muxer_select="mov_muxer"
2439bd86 1514mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1515mpegtsraw_demuxer_select="mpegts_demuxer"
1516mxf_d10_muxer_select="mxf_muxer"
24ca518b 1517ogg_demuxer_select="golomb"
647c2356 1518psp_muxer_select="mov_muxer"
44594cc7 1519rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1520rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1521rtsp_demuxer_select="http_protocol rtpdec"
1522rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1523sap_demuxer_select="sdp_demuxer"
2aab70c4 1524sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1525sdp_demuxer_select="rtpdec"
f1e94694 1526spdif_muxer_select="aac_parser"
647c2356
DB
1527tg2_muxer_select="mov_muxer"
1528tgp_muxer_select="mov_muxer"
6bdaa5f4 1529w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1530
1531# indevs / outdevs
38e54a75 1532alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1533alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1534bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1535dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1536fbdev_indev_deps="linux_fb_h"
38e54a75 1537jack_indev_deps="jack_jack_h"
e417d80d 1538libcdio_indev_deps="libcdio"
38e54a75 1539libdc1394_indev_deps="libdc1394"
38e54a75
SS
1540oss_indev_deps_any="soundcard_h sys_soundcard_h"
1541oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1542pulse_indev_deps="libpulse"
15d59d2c
B
1543sndio_indev_deps="sndio_h"
1544sndio_outdev_deps="sndio_h"
38e54a75 1545v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1546vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1547vfwcap_indev_extralibs="-lavicap32"
38e54a75 1548x11_grab_device_indev_deps="x11grab XShmCreateImage"
30fd06be 1549
912f3148 1550# protocols
acd554c1
SP
1551ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1552ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1553ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1554ffrtmphttp_protocol_deps="!librtmp_protocol"
1555ffrtmphttp_protocol_select="http_protocol"
3fff6382 1556gopher_protocol_deps="network"
c40e1757
JS
1557httpproxy_protocol_deps="network"
1558httpproxy_protocol_select="tcp_protocol"
c08fb000 1559http_protocol_deps="network"
279a0c97 1560http_protocol_select="tcp_protocol"
183baead 1561https_protocol_select="tls_protocol"
c3b57d6e
DB
1562librtmp_protocol_deps="librtmp"
1563librtmpe_protocol_deps="librtmp"
1564librtmps_protocol_deps="librtmp"
1565librtmpt_protocol_deps="librtmp"
1566librtmpte_protocol_deps="librtmp"
c60a2d70 1567mmsh_protocol_select="http_protocol"
b4cf3f6c 1568mmst_protocol_deps="network"
c3b57d6e 1569rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1570rtmp_protocol_select="tcp_protocol"
acd554c1 1571rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1572rtmps_protocol_deps="!librtmp_protocol"
1573rtmps_protocol_select="tls_protocol"
775c4d36 1574rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1575rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1576rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1577rtp_protocol_select="udp_protocol"
5699884c 1578sctp_protocol_deps="network netinet_sctp_h"
c08fb000 1579tcp_protocol_deps="network"
558d192d
MS
1580tls_protocol_deps_any="openssl gnutls"
1581tls_protocol_select="tcp_protocol"
c08fb000
AB
1582udp_protocol_deps="network"
1583
6ebf0bfc 1584# filters
13fabd7a 1585blackframe_filter_deps="gpl"
ce6b6ef6 1586boxblur_filter_deps="gpl"
68b79bfc 1587cropdetect_filter_deps="gpl"
b157be1f 1588delogo_filter_deps="gpl"
a5b64584 1589drawtext_filter_deps="libfreetype"
2e5ff4d0 1590frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1591frei0r_filter_extralibs='$ldl'
a42bb9d6 1592frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1593frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1594hqdn3d_filter_deps="gpl"
d371e7b9 1595resample_filter_deps="avresample"
cf69ad35 1596ocv_filter_deps="libopencv"
2f296e39 1597scale_filter_deps="swscale"
acbac567 1598yadif_filter_deps="gpl"
6ebf0bfc 1599
5a0f7131
MR
1600# libraries
1601avdevice_deps="avcodec avformat"
1602avformat_deps="avcodec"
f7679c54 1603
912f3148 1604# programs
ce03b088
AK
1605avconv_deps="avcodec avfilter avformat avresample swscale
1606 aformat_filter asyncts_filter
1607 format_filter fps_filter scale_filter setpts_filter"
266463da
AK
1608avplay_deps="avcodec avformat swscale sdl"
1609avplay_select="rdft"
9e12f0bf 1610avprobe_deps="avcodec avformat"
b263bf66 1611avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1612avserver_extralibs='$ldl'
a2830dca 1613
c73f65d9 1614doc_deps="texi2html"
912f3148 1615
57442411
MR
1616# tests
1617
388ff813
DB
1618mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1619seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1620
57442411
MR
1621test_deps(){
1622 suf1=$1
1623 suf2=$2
1624 shift 2
1625 for v; do
1626 dep=${v%=*}
1627 tests=${v#*=}
1628 for name in ${tests}; do
908f12f3 1629 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
57442411
MR
1630 done
1631 done
1632}
1633
57442411
MR
1634test_deps _muxer _demuxer \
1635 aiff \
1636 pcm_alaw=alaw \
1637 asf \
1638 au \
1639 avi \
1640 dv=dv_fmt \
1641 ffm \
1642 flv=flv_fmt \
1643 gxf \
1644 matroska=mkv \
1645 mmf \
1646 mov \
1647 pcm_mulaw=mulaw \
0218808d 1648 mxf="mxf mxf_d10" \
57442411
MR
1649 nut \
1650 ogg \
1651 rawvideo=pixfmt \
1652 rm \
1653 swf \
1654 mpegts=ts \
1655 voc \
1656 wav \
1657 yuv4mpegpipe=yuv4mpeg \
1658
de6d9b64 1659# default parameters
8a608357 1660
19bd477d 1661logfile="config.log"
8a608357
MR
1662
1663# installation paths
c9d19248
MR
1664prefix_default="/usr/local"
1665bindir_default='${prefix}/bin'
6291d7e4 1666datadir_default='${prefix}/share/avconv'
c9d19248
MR
1667incdir_default='${prefix}/include'
1668libdir_default='${prefix}/lib'
1669mandir_default='${prefix}/share/man'
1670shlibdir_default="$libdir_default"
8a608357
MR
1671
1672# toolchain
121d78d0 1673ar_default="ar"
13c7df3d 1674cc_default="gcc"
9da6609f 1675host_cc_default="gcc"
11e6d03a 1676ln_s="ln -sf"
89641463 1677nm_default="nm"
11e6d03a 1678objformat="elf"
3f8040db 1679pkg_config_default=pkg-config
be7109c1 1680ranlib="ranlib"
11e6d03a 1681yasmexe="yasm"
8a608357 1682
8182dc34 1683nm_opts='-g'
3e0b1c9a 1684nogas=":"
8182dc34 1685
8a608357 1686# machine
8d4c00ed 1687arch_default=$(uname -m)
38d0a8aa 1688cpu="generic"
8a608357 1689
8a608357 1690# OS
8d4c00ed
MR
1691target_os_default=$(tolower $(uname -s))
1692host_os=$target_os_default
8a608357 1693
8a608357 1694# configurable options
055c61b8
DB
1695enable $PROGRAM_LIST
1696
5a0f7131
MR
1697enable avcodec
1698enable avdevice
cccc039f 1699enable avfilter
5a0f7131 1700enable avformat
c8af852b 1701enable avresample
dc4f5a1c 1702enable avutil
3e0b1c9a
DB
1703enable swscale
1704
3e0b1c9a
DB
1705enable asm
1706enable debug
1707enable doc
1708enable fastdiv
497237c7 1709enable network
8400d6b8 1710enable optimizations
8cfbbd92 1711enable safe_bitstream_reader
530dc538 1712enable static
a9ddb5b1 1713enable swscale_alpha
8a608357 1714
8a608357 1715# build settings
9987769a 1716SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1717AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1718LIBPREF="lib"
1719LIBSUF=".a"
c5f14466
RP
1720FULLNAME='$(NAME)$(BUILDSUF)'
1721LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1722SLIBPREF="lib"
1723SLIBSUF=".so"
c5f14466 1724SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1725SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1726SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1727LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1728SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1729SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1730
68485d1f
MR
1731asflags_filter=echo
1732cflags_filter=echo
64933b6c
MR
1733ldflags_filter=echo
1734
bc877faf 1735AS_O='-o $@'
7e6c86e6 1736CC_O='-o $@'
a758c5e2
MR
1737LD_O='-o $@'
1738HOSTCC_O='-o $@'
7e6c86e6 1739
1d01fee9 1740host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1741host_libs='-lm'
6c3fa06a
MR
1742host_cflags_filter=echo
1743host_ldflags_filter=echo
9da6609f 1744
9b861379 1745target_path='$(CURDIR)'
a7ada2ba 1746
a158446b
MR
1747# since the object filename is not given with the -MM flag, the compiler
1748# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1749DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1750DEPFLAGS='-MM'
315c741d 1751
c597172e 1752# find source path
24524f36 1753if test -f configure; then
f038cf3c 1754 source_path=.
c597172e 1755else
8477f2de 1756 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1757 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1758 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1759 test -e "$source_path/config.h" &&
1760 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1761fi
1762
13cbe2c0 1763for v in "$@"; do
b04251c5
MR
1764 r=${v#*=}
1765 l=${v%"$r"}
1766 r=$(sh_quote "$r")
29ba0911 1767 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1768done
c597172e 1769
73ef8980
MR
1770find_things(){
1771 thing=$1
1772 pattern=$2
1773 file=$source_path/$3
932ccf39 1774 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1775}
1776
1777ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1778DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1779HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1780PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1781BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1782MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1783DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1784OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1785INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1786PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1787FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1788
54e75be4
DB
1789ALL_COMPONENTS="
1790 $BSF_LIST
1791 $DECODER_LIST
1792 $DEMUXER_LIST
1793 $ENCODER_LIST
1794 $FILTER_LIST
1795 $HWACCEL_LIST
1796 $INDEV_LIST
1797 $MUXER_LIST
1798 $OUTDEV_LIST
1799 $PARSER_LIST
1800 $PROTOCOL_LIST
1801"
1802
57442411 1803find_tests(){
b9d5f1b7 1804 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
57442411
MR
1805}
1806
57442411 1807LAVF_TESTS=$(find_tests lavf)
48c28162 1808LAVFI_TESTS=$(find_tests lavfi)
b9d5f1b7 1809SEEK_TESTS=$(find_tests seek seek_)
57442411 1810
7263cd55 1811ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
40fe5019 1812
8469ae22
MR
1813for n in $COMPONENT_LIST; do
1814 v=$(toupper ${n%s})_LIST
1815 eval enable \$$v
1816 eval ${n}_if_any="\$$v"
1817done
1818
54e75be4 1819enable $ARCH_EXT_LIST $ALL_TESTS
c597172e
MR
1820
1821die_unknown(){
1822 echo "Unknown option \"$1\"."
1823 echo "See $0 --help for available options."
1824 exit 1
1825}
1826
794f8e97 1827show_list() {
bf0c4afa
RP
1828 suffix=_$1
1829 shift
2b444ea7 1830 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1831 exit 0
1832}
1833
c597172e 1834for opt do
7483e694
DB
1835 optval="${opt#*=}"
1836 case "$opt" in
0f010b2f 1837 --extra-ldflags=*) add_ldflags $optval
7483e694 1838 ;;
0f010b2f 1839 --extra-libs=*) add_extralibs $optval
7483e694 1840 ;;
8fb1cb58 1841 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1842 ;;
40bcf4c7
BL
1843 --enable-debug=*) debuglevel="$optval"
1844 ;;
36e2dea0 1845 --disable-everything)
1b15dc3c 1846 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1847 ;;
7483e694 1848 --enable-*=*|--disable-*=*)
8b93ddc3 1849 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1850 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1851 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1852 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1853 $action $(filter "$name" $list)
7483e694
DB
1854 ;;
1855 --enable-?*|--disable-?*)
5e622c40 1856 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1857 if is_in $option $COMPONENT_LIST; then
fed5d54b 1858 test $action = disable && action=unset
e3773a55
MR
1859 eval $action \$$(toupper ${option%s})_LIST
1860 elif is_in $option $CMDLINE_SELECT; then
1861 $action $option
1862 else
1863 die_unknown $opt
1864 fi
7483e694
DB
1865 ;;
1866 --list-*)
1867 NAME="${opt#--list-}"
1868 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1869 NAME=${NAME%s}
1870 eval show_list $NAME \$$(toupper $NAME)_LIST
1871 ;;
1872 --help|-h) show_help
1873 ;;
1874 *)
884a36a7 1875 optname="${opt%%=*}"
26759c44
MR
1876 optname="${optname#--}"
1877 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1878 if is_in $optname $CMDLINE_SET; then
1879 eval $optname='$optval'
1880 elif is_in $optname $CMDLINE_APPEND; then
1881 append $optname "$optval"
1882 else
1883 die_unknown $opt
1884 fi
7483e694
DB
1885 ;;
1886 esac
c597172e
MR
1887done
1888
bcea99bb
MR
1889disabled logging && logfile=/dev/null
1890
29ba0911 1891echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
1892set >> $logfile
1893
9da6609f
MR
1894test -n "$cross_prefix" && enable cross_compile
1895
8d4c00ed
MR
1896if enabled cross_compile; then
1897 test -n "$arch" && test -n "$target_os" ||
1898 die "Must specify target arch and OS when cross-compiling"
1899fi
1900
1901set_default arch target_os
1902
121d78d0 1903ar_default="${cross_prefix}${ar_default}"
11e6d03a 1904cc_default="${cross_prefix}${cc_default}"
20e0ed95 1905nm_default="${cross_prefix}${nm_default}"
3f8040db 1906pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 1907ranlib="${cross_prefix}${ranlib}"
adb2b908 1908
c5200f17
MR
1909sysinclude_default="${sysroot}/usr/include"
1910
e0be794a 1911set_default cc nm pkg_config sysinclude
9da6609f
MR
1912enabled cross_compile || host_cc_default=$cc
1913set_default host_cc
13c7df3d 1914
762f95e4
MR
1915if ! $pkg_config --version >/dev/null 2>&1; then
1916 warn "$pkg_config not found, library detection may fail."
1917 pkg_config=false
1918fi
1919
82bb3329
MR
1920exesuf() {
1921 case $1 in
1c69c79f 1922 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
1923 esac
1924}
1925
1926EXESUF=$(exesuf $target_os)
1927HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1928
e4e69e0b 1929# set temporary file name
a49d42c2 1930: ${TMPDIR:=$TEMPDIR}
c51fafa1 1931: ${TMPDIR:=$TMP}
a49d42c2 1932: ${TMPDIR:=/tmp}
e4e69e0b 1933
a210bce2 1934if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
1935 # simple replacement for missing mktemp
1936 # NOT SAFE FOR GENERAL USE
1937 mktemp(){
09a5c245 1938 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
1939 }
1940fi
1941
1942tmpfile(){
1943 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1944 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1945 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1946 append TMPFILES $tmp
1947 eval $1=$tmp
1948}
1949
1950trap 'rm -f -- $TMPFILES' EXIT
54460a83 1951
55127e7b 1952tmpfile TMPASM .asm
3e0b1c9a
DB
1953tmpfile TMPC .c
1954tmpfile TMPE $EXESUF
1955tmpfile TMPH .h
1956tmpfile TMPO .o
1957tmpfile TMPS .S
1958tmpfile TMPSH .sh
1959tmpfile TMPV .ver
54460a83
MR
1960
1961unset -f mktemp
e4e69e0b 1962
fb3c4ffc
MR
1963chmod +x $TMPE
1964
993f2d0f
MR
1965# make sure we can execute files in $TMPDIR
1966cat > $TMPSH 2>> $logfile <<EOF
1967#! /bin/sh
1968EOF
1969chmod +x $TMPSH >> $logfile 2>&1
1970if ! $TMPSH >> $logfile 2>&1; then
1971 cat <<EOF
1972Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1973variable to another directory and make sure that it is not mounted noexec.
1974EOF
1975 die "Sanity test failed."
1976fi
993f2d0f 1977
d0c6d424
MR
1978pgi_flags(){
1979 for flag; do
1980 case $flag in
1981 -fomit-frame-pointer) echo -Mnoframe ;;
1982 -g) echo -gopt ;;
1983 *) echo $flag ;;
1984 esac
1985 done
1986}
1987
1988suncc_flags(){
1989 for flag; do
1990 case $flag in
1991 -march=*|-mcpu=*)
1992 case "${flag#*=}" in
1993 native) echo -xtarget=native ;;
1994 v9|niagara) echo -xarch=sparc ;;
1995 ultrasparc) echo -xarch=sparcvis ;;
1996 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1997 i586|pentium) echo -xchip=pentium ;;
1998 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1999 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2000 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2001 pentium4*) echo -xtarget=pentium4 ;;
2002 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2003 *-sse3) echo -xarch=sse3 ;;
2004 core2) echo -xarch=ssse3 -xchip=core2 ;;
2005 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2006 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2007 k8|opteron|athlon64|athlon-fx)
2008 echo -xarch=sse2a ;;
2009 athlon*) echo -xarch=pentium_proa ;;
2010 esac
2011 ;;
2012 -std=c99) echo -xc99 ;;
2013 -fomit-frame-pointer) echo -xregs=frameptr ;;
2014 -fPIC) echo -KPIC -xcode=pic32 ;;
2015 -W*,*) echo $flag ;;
2016 -f*-*|-W*) ;;
2017 *) echo $flag ;;
2018 esac
2019 done
2020}
2021
2022tms470_flags(){
2023 for flag; do
2024 case $flag in
2025 -march=*|-mcpu=*)
2026 case "${flag#*=}" in
2027 armv7-a|cortex-a*) echo -mv=7a8 ;;
2028 armv7-r|cortex-r*) echo -mv=7r4 ;;
2029 armv7-m|cortex-m*) echo -mv=7m3 ;;
2030 armv6*|arm11*) echo -mv=6 ;;
2031 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2032 echo -mv=5e ;;
2033 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2034 esac
2035 ;;
2036 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2037 -mfpu=vfp) echo --float_support=vfpv2 ;;
2038 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2039 -msoft-float) echo --float_support=vfplib ;;
2040 -O[0-3]|-mf=*) echo $flag ;;
2041 -g) echo -g -mn ;;
2042 -pds=*) echo $flag ;;
ad93dccb
MR
2043 -D*|-I*) echo $flag ;;
2044 --gcc|--abi=*) echo $flag ;;
2045 -me) echo $flag ;;
d0c6d424
MR
2046 esac
2047 done
2048}
2049
a758c5e2
MR
2050probe_cc(){
2051 pfx=$1
2052 _cc=$2
2053
2054 unset _type _ident _cc_o _flags _cflags _ldflags _depflags _DEPCMD _DEPFLAGS
2055 _flags_filter=echo
2056
2057 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2058 _type=llvm_gcc
2059 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2060 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2061 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2062 _cflags_speed='-O3'
2063 _cflags_size='-Os'
2064 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2065 _type=gcc
2066 gcc_version=$($_cc --version | head -n1)
2067 gcc_basever=$($_cc -dumpversion)
2068 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2069 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2070 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2071 if ! $_cc -dumpversion | grep -q '^2\.'; then
2072 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2073 fi
2074 _cflags_speed='-O3'
2075 _cflags_size='-Os'
2076 elif $_cc --version 2>/dev/null | grep -q Intel; then
2077 _type=icc
2078 _ident=$($_cc --version | head -n1)
2079 _depflags='-MMD'
2080 _cflags_speed='-O3'
2081 _cflags_size='-Os'
2082 _cflags_noopt='-O1'
2083 elif $_cc -v 2>&1 | grep -q xlc; then
2084 _type=xlc
2085 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2086 _cflags_speed='-O5'
2087 _cflags_size='-O5 -qcompact'
2088 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2089 _type=ccc
2090 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2091 _DEPFLAGS='-M'
2092 debuglevel=3
2093 _ldflags='-Wl,-z,now' # calls to libots crash without this
2094 _cflags_speed='-fast'
2095 _cflags_size='-O1'
2096 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2097 test -d "$sysroot" || die "No valid sysroot specified."
2098 _type=armcc
2099 _ident=$($_cc --vsn | head -n1)
2100 armcc_conf="$PWD/armcc.conf"
2101 $_cc --arm_linux_configure \
2102 --arm_linux_config_file="$armcc_conf" \
2103 --configure_sysroot="$sysroot" \
2104 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2105 die "Error creating armcc configuration file."
2106 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2107 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2108 as_default="${cross_prefix}gcc"
2109 _depflags='-MMD'
2110 _cflags_speed='-O3'
2111 _cflags_size='-Os'
2112 elif $_cc -version 2>/dev/null | grep -q TMS470; then
2113 _type=tms470
2114 _ident=$($_cc -version | head -n1 | tr -s ' ')
2115 _flags='--gcc --abi=eabi -me'
2116 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2117 _cc_o='-fe=$@'
2118 as_default="${cross_prefix}gcc"
2119 ld_default="${cross_prefix}gcc"
2120 _depflags='-ppa -ppd=$(@:.o=.d)'
2121 _cflags_speed='-O3 -mf=5'
2122 _cflags_size='-O3 -mf=2'
2123 _flags_filter=tms470_flags
2124 elif $_cc -v 2>&1 | grep -q clang; then
2125 _type=clang
2126 _ident=$($_cc --version | head -n1)
2127 _depflags='-MMD'
2128 _cflags_speed='-O3'
2129 _cflags_size='-Os'
2130 elif $_cc -V 2>&1 | grep -q Sun; then
2131 _type=suncc
2132 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2133 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2134 _DEPFLAGS='-xM1'
2135 _ldflags='-std=c99'
2136 _cflags_speed='-O5'
2137 _cflags_size='-O5 -xspace'
2138 _flags_filter=suncc_flags
2139 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2140 _type=pathscale
2141 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2142 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2143 _cflags_speed='-O2'
2144 _cflags_size='-Os'
2145 _flags_filter='filter_out -Wdisabled-optimization'
2146 elif $_cc -v 2>&1 | grep -q Open64; then
2147 _type=open64
2148 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2149 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2150 _cflags_speed='-O2'
2151 _cflags_size='-Os'
2152 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2153 elif $_cc -V 2>&1 | grep -q Portland; then
2154 _type=pgi
2155 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2156 opt_common='-alias=ansi -Mlre -Mpre'
2157 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2158 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2159 _cflags_noopt="-O1"
2160 _flags_filter=pgi_flags
aef6bd1b 2161 fi
a758c5e2
MR
2162
2163 eval ${pfx}_type=\$_type
2164 eval ${pfx}_ident=\$_ident
2165}
2166
2167set_ccvars(){
2168 eval ${1}_O=\${_cc_o-\${${1}_O}}
2169
2170 if [ -n "$_depflags" ]; then
2171 eval ${1}_DEPFLAGS=\$_depflags
2172 else
2173 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2174 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2175 eval DEP${1}FLAGS=\$_flags
2176 fi
2177}
2178
2179probe_cc cc "$cc"
2180cflags_filter=$_flags_filter
2181cflags_speed=$_cflags_speed
2182cflags_size=$_cflags_size
2183cflags_noopt=$_cflags_noopt
2184add_cflags $_flags $_cflags
2185cc_ldflags=$_ldflags
2186set_ccvars CC
2187
2188probe_cc hostcc "$host_cc"
2189host_cflags_filter=$_flags_filter
2190host_ldflags_filter=$_flags_filter
2191add_host_cflags $_flags $_cflags
2192add_host_ldflags $_flags $_ldflags
2193set_ccvars HOSTCC
629687f6 2194
851ffa80
MR
2195test -n "$cc_type" && enable $cc_type ||
2196 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2197
75bafbac 2198: ${as_default:=$cc}
50567afa 2199: ${dep_cc_default:=$cc}
684b28e0 2200: ${ld_default:=$cc}
121d78d0 2201set_default ar as dep_cc ld
75800dce 2202
a758c5e2
MR
2203probe_cc as "$as"
2204asflags_filter=$_flags_filter
2205add_asflags $_flags $_cflags
2206set_ccvars AS
2207
2208probe_cc ld "$ld"
2209ldflags_filter=$_flags_filter
2210add_ldflags $_flags $_ldflags
2211test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2212LD_O=${_cc_o-$LD_O}
2213
2214if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2215 probe_cc depcc "$dep_cc"
2216 CCDEP=${_DEPCMD:-$DEPCMD}
2217 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2218 DEPCCFLAGS=$_flags
2219fi
07dec06e 2220
7f32f40c 2221add_cflags $extra_cflags
2f2e6c7c 2222add_asflags $extra_cflags
7f32f40c 2223
154d432c
MR
2224if test -n "$sysroot"; then
2225 case "$cc_type" in
00ba041c 2226 gcc|llvm_gcc|clang)
467256f2 2227 add_cppflags --sysroot="$sysroot"
154d432c
MR
2228 add_ldflags --sysroot="$sysroot"
2229 ;;
6fec122a
MR
2230 tms470)
2231 add_cppflags -I"$sysinclude"
2232 add_ldflags --sysroot="$sysroot"
2233 ;;
154d432c
MR
2234 esac
2235fi
2236
d22c13a8
MR
2237if test "$cpu" = host; then
2238 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2239
2240 case "$cc_type" in
613a4e3f 2241 gcc|llvm_gcc)
d22c13a8
MR
2242 check_native(){
2243 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2244 sed -n "/cc1.*$1=/{
27ce1be8
MR
2245 s/.*$1=\\([^ ]*\\).*/\\1/
2246 p
2247 q
2248 }" $TMPE
d22c13a8
MR
2249 }
2250 cpu=$(check_native -march || check_native -mcpu)
2251 ;;
2252 esac
2253
2254 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2255fi
2256
e939cedd
MR
2257# Deal with common $arch aliases
2258case "$arch" in
2259 arm*)
2260 arch="arm"
2261 ;;
2262 mips|mipsel|IP*)
2263 arch="mips"
2264 ;;
47b1860e 2265 mips64*)
e939cedd
MR
2266 arch="mips"
2267 subarch="mips64"
2268 ;;
2269 parisc|hppa)
2270 arch="parisc"
2271 ;;
2272 parisc64|hppa64)
2273 arch="parisc"
2274 subarch="parisc64"
2275 ;;
2276 "Power Macintosh"|ppc|powerpc)
2277 arch="ppc"
2278 ;;
47b1860e 2279 ppc64|powerpc64)
e939cedd
MR
2280 arch="ppc"
2281 subarch="ppc64"
2282 ;;
2283 s390|s390x)
2284 arch="s390"
2285 ;;
2286 sh4|sh)
2287 arch="sh4"
2288 ;;
2289 sun4u|sparc64)
2290 arch="sparc"
2291 subarch="sparc64"
2292 ;;
d33ed7b3 2293 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2294 arch="x86"
2295 ;;
2296esac
2297
851ffa80 2298is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2299enable $arch
e939cedd 2300
df5cdc24 2301# Add processor-specific flags
5d54c126
MR
2302if test "$cpu" = generic; then
2303 : do nothing
2304elif enabled ppc; then
343aef9b 2305
56348891
MR
2306 case $(tolower $cpu) in
2307 601|ppc601|powerpc601)
9dbd5c3d 2308 cpuflags="-mcpu=601"
64ad53ff 2309 disable altivec
9dbd5c3d 2310 ;;
56348891 2311 603*|ppc603*|powerpc603*)
9dbd5c3d 2312 cpuflags="-mcpu=603"
64ad53ff 2313 disable altivec
9dbd5c3d 2314 ;;
56348891 2315 604*|ppc604*|powerpc604*)
9dbd5c3d 2316 cpuflags="-mcpu=604"
64ad53ff 2317 disable altivec
9dbd5c3d 2318 ;;
56348891 2319 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2320 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2321 disable altivec
9dbd5c3d 2322 ;;
56348891 2323 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2324 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2325 ;;
56348891 2326 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2327 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2328 ;;
313f9fbf 2329 g5|970|ppc970|powerpc970)
9dbd5c3d
MR
2330 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2331 ;;
313f9fbf
SM
2332 power[3-7]*)
2333 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2334 ;;
56348891 2335 cell)
9dbd5c3d
MR
2336 cpuflags="-mcpu=cell"
2337 enable ldbrx
2338 ;;
7b0b81a1
AL
2339 e500v2)
2340 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2341 disable altivec
2342 ;;
2343 e500)
2344 cpuflags="-mcpu=8540 -mhard-float"
2345 disable altivec
2346 ;;
9dbd5c3d 2347 esac
343aef9b
MR
2348
2349elif enabled x86; then
2350
9dbd5c3d
MR
2351 case $cpu in
2352 i[345]86|pentium)
2353 cpuflags="-march=$cpu"
2354 disable mmx
2355 ;;
2356 # targets that do NOT support conditional mov (cmov)
2357 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2358 cpuflags="-march=$cpu"
2359 disable cmov
2360 ;;
2361 # targets that do support conditional mov (cmov)
9ddf1b1a 2362 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
9dbd5c3d
MR
2363 cpuflags="-march=$cpu"
2364 enable cmov
2365 enable fast_cmov
2366 ;;
2367 # targets that do support conditional mov but on which it's slow
2368 pentium4|pentium4m|prescott|nocona)
2369 cpuflags="-march=$cpu"
2370 enable cmov
2371 disable fast_cmov
2372 ;;
2373 esac
343aef9b
MR
2374
2375elif enabled sparc; then
2376
9dbd5c3d 2377 case $cpu in
26b7199e
MK
2378 niagara)
2379 cpuflags="-mcpu=$cpu"
2380 disable vis
2381 ;;
9dbd5c3d
MR
2382 sparc64)
2383 cpuflags="-mcpu=v9"
2384 ;;
2385 esac
343aef9b
MR
2386
2387elif enabled arm; then
2388
34ba23c9
MR
2389 case $cpu in
2390 armv*)
2391 cpuflags="-march=$cpu"
c2eae137 2392 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
34ba23c9
MR
2393 ;;
2394 *)
2395 cpuflags="-mcpu=$cpu"
c2eae137
MR
2396 case $cpu in
2397 cortex-a*) subarch=armv7a ;;
2398 cortex-r*) subarch=armv7r ;;
9e19704a 2399 cortex-m*) enable thumb; subarch=armv7m ;;
c2eae137
MR
2400 arm11*) subarch=armv6 ;;
2401 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2402 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2403 esac
34ba23c9
MR
2404 ;;
2405 esac
343aef9b
MR
2406
2407elif enabled alpha; then
2408
34ba23c9 2409 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2410
2411elif enabled bfin; then
2412
34ba23c9 2413 cpuflags="-mcpu=$cpu"
343aef9b
MR
2414
2415elif enabled mips; then
2416
34ba23c9 2417 cpuflags="-march=$cpu"
343aef9b
MR
2418
2419elif enabled avr32; then
2420
9dbd5c3d
MR
2421 case $cpu in
2422 ap7[02]0[0-2])
2423 subarch="avr32_ap"
2424 cpuflags="-mpart=$cpu"
2425 ;;
2426 ap)
2427 subarch="avr32_ap"
2428 cpuflags="-march=$cpu"
2429 ;;
2430 uc3[ab]*)
2431 subarch="avr32_uc"
2432 cpuflags="-mcpu=$cpu"
2433 ;;
2434 uc)
2435 subarch="avr32_uc"
2436 cpuflags="-march=$cpu"
2437 ;;
2438 esac
df5cdc24 2439
343aef9b
MR
2440fi
2441
df5cdc24
MR
2442add_cflags $cpuflags
2443add_asflags $cpuflags
2444
993f2d0f
MR
2445# compiler sanity check
2446check_exec <<EOF
2447int main(void){ return 0; }
2448EOF
2449if test "$?" != 0; then
2450 echo "$cc is unable to create an executable file."
2451 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2452 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2453 echo "Only do this if you know what cross compiling means."
2454 fi
2455 die "C compiler test failed."
2456fi
2457
046f081b 2458add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2459check_cflags -std=c99
50a334e4 2460check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2461#include <stdlib.h>
2462EOF
50a334e4 2463check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2464#include <stdlib.h>
2465EOF
e9b9a2f8 2466
f0125de9 2467check_host_cflags -std=c99
0a6db2a2 2468check_host_cflags -Wall
f0125de9 2469
b24dbcbd 2470case "$arch" in
e939cedd 2471 alpha|ia64|mips|parisc|sparc)
8a3c8627 2472 spic=$shared
b24dbcbd 2473 ;;
e939cedd 2474 x86)
cfdb6148 2475 subarch="x86_32"
5adc829e 2476 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
de27f4d9 2477 if test "$subarch" = "x86_64"; then
e939cedd 2478 spic=$shared
de27f4d9 2479 fi
b24dbcbd 2480 ;;
b24dbcbd
RP
2481esac
2482
343aef9b 2483enable $subarch
8a3c8627 2484enabled spic && enable pic
b24dbcbd 2485
7483e694 2486# OS specific
4f854758 2487case $target_os in
a1629e28 2488 haiku)
63ae7e7c 2489 prefix_default="/boot/common"
108caaaa 2490 network_extralibs="-lnetwork"
f59c4bd6 2491 host_libs=
a1629e28 2492 ;;
7483e694 2493 sunos)
4d58e4cb 2494 AVSERVERLDFLAGS=""
9987769a 2495 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2496 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2497 network_extralibs="-lsocket -lnsl"
779222db 2498 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2499 # When using suncc to build, the Solaris linker will mark
2500 # an executable with each instruction set encountered by
2501 # the Solaris assembler. As our libraries contain their own
2502 # guards for processor-specific code, instead suppress
2503 # generation of the HWCAPS ELF section on Solaris x86 only.
2504 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
8182dc34 2505 nm_opts='-P -g'
7483e694
DB
2506 ;;
2507 netbsd)
a1e4b3f6 2508 disable symver
07a8eef6
MR
2509 oss_indev_extralibs="-lossaudio"
2510 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2511 ;;
2512 openbsd)
7c4a001a 2513 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2514 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2515 # however the generated executable will not do anything
2516 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2517 # Thus explicitly enable PIC here.
cd78208b 2518 enable pic
a1e4b3f6 2519 disable symver
7483e694 2520 SHFLAGS='-shared'
07a8eef6
MR
2521 oss_indev_extralibs="-lossaudio"
2522 oss_outdev_extralibs="-lossaudio"
7483e694 2523 ;;
a1e4b3f6 2524 dragonfly)
a1e4b3f6
MR
2525 disable symver
2526 ;;
2527 freebsd)
7483e694
DB
2528 ;;
2529 bsd/os)
355d81df 2530 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2531 ;;
2532 darwin)
301ab19d 2533 gas="gas-preprocessor.pl $cc"
e08b8239 2534 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2535 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2536 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2537 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2538 SLIBSUF=".dylib"
2539 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2540 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2541 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2542 objformat="macho"
1b0f6fb8 2543 enabled x86_64 && objformat="macho64"
8dfa86f7 2544 enabled_any pic shared ||
2704bd1a 2545 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2546 ;;
2547 mingw32*)
9d3f4f50 2548 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2549 disable network
2550 else
2551 target_os=mingw32
2552 fi
dcc01c06 2553 LIBTARGET=i386
1fc9fb8a 2554 if enabled x86_64; then
417516f6 2555 LIBTARGET="i386:x86-64"
336cc1b0 2556 elif enabled arm; then
15c5156d 2557 LIBTARGET=arm-wince
dcc01c06 2558 fi
fbd971a4 2559 shlibdir_default="$bindir_default"
7483e694
DB
2560 SLIBPREF=""
2561 SLIBSUF=".dll"
7483e694
DB
2562 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2563 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2f138f0b
MR
2564 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2565 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2566 SLIB_INSTALL_LINKS=
2567 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2568 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4b51fb1c 2569 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 2570 objformat="win32"
ec10a9ab 2571 dlltool="${cross_prefix}dlltool"
bc574408 2572 enable dos_paths
1894e741 2573 check_cflags -fno-common
e26011d0
RP
2574 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2575 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2576 die "ERROR: MinGW runtime version must be >= 3.15."
5666a9f2 2577 add_cppflags -U__STRICT_ANSI__
7483e694
DB
2578 ;;
2579 cygwin*)
4f854758 2580 target_os=cygwin
fbd971a4 2581 shlibdir_default="$bindir_default"
7483e694
DB
2582 SLIBPREF="cyg"
2583 SLIBSUF=".dll"
2584 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2585 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2586 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2587 objformat="win32"
bc574408 2588 enable dos_paths
1894e741 2589 check_cflags -fno-common
a7a187a1 2590 add_cppflags -U__STRICT_ANSI__
7483e694 2591 ;;
4f365f37 2592 *-dos|freedos|opendos)
4f365f37 2593 network_extralibs="-lsocket"
ff1c015d 2594 objformat="coff"
bc574408 2595 enable dos_paths
a7a187a1 2596 add_cppflags -U__STRICT_ANSI__
4f365f37 2597 ;;
7483e694 2598 linux)
046f081b 2599 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
7483e694
DB
2600 enable dv1394
2601 ;;
2602 irix*)
4f854758 2603 target_os=irix
7483e694
DB
2604 ranlib="echo ignoring ranlib"
2605 ;;
d22e8442 2606 os/2*)
d22e8442 2607 ln_s="cp -f"
9297f1ed 2608 objformat="aout"
e14574eb 2609 add_cppflags -D_GNU_SOURCE
355d81df 2610 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2611 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2612 AVSERVERLDFLAGS=""
287d3b13 2613 LIBSUF="_s.a"
d22e8442
DY
2614 SLIBPREF=""
2615 SLIBSUF=".dll"
2616 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2617 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2618 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2619 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2620 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2621 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2622 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2623 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2624 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2625 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2626 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2627 enable dos_paths
d22e8442 2628 ;;
83993c1c 2629 gnu/kfreebsd)
c1f54478 2630 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
83993c1c 2631 ;;
34e82167 2632 gnu)
f60d1366 2633 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
34e82167 2634 ;;
d33ed7b3
MR
2635 qnx)
2636 add_cppflags -D_QNX_SOURCE
2637 network_extralibs="-lsocket"
2638 ;;
1c69c79f
MS
2639 symbian)
2640 SLIBSUF=".dll"
2641 enable dos_paths
e3bc07f4
MS
2642 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2643 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2644 add_ldflags -Wl,--target1-abs,--no-undefined \
2645 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2646 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2647 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2648 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2649 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2650 ;;
614d8911
MR
2651 none)
2652 ;;
7483e694 2653 *)
4f924f9a 2654 die "Unknown OS '$target_os'."
7483e694
DB
2655 ;;
2656esac
2657
6555acad
MR
2658esc(){
2659 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2660}
2661
2662echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 2663
13cb2187
AS
2664check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2665
c9d19248
MR
2666set_default $PATHS_LIST
2667
320d060a 2668# we need to build at least one lib type
93b3c083 2669if ! enabled_any static shared; then
320d060a
DB
2670 cat <<EOF
2671At least one library type must be built.
2672Specify --enable-static to build the static libraries or --enable-shared to
2673build the shared libraries as well. To only build the shared libraries specify
2674--disable-static in addition to --enable-shared.
2675EOF
2676 exit 1;
2677fi
2678
2184c6f7 2679die_license_disabled() {
4c27207c 2680 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2681}
2682
e417d80d 2683die_license_disabled gpl libcdio
2184c6f7 2684die_license_disabled gpl libx264
de295976 2685die_license_disabled gpl libxavs
2184c6f7 2686die_license_disabled gpl libxvid
2184c6f7
DB
2687die_license_disabled gpl x11grab
2688
2f7ae63b 2689die_license_disabled nonfree libfaac
87246953 2690die_license_disabled nonfree libfdk_aac
a060866f 2691die_license_disabled nonfree openssl
b2e3c528 2692
0b175caa
DB
2693die_license_disabled version3 libopencore_amrnb
2694die_license_disabled version3 libopencore_amrwb
d89e738a 2695die_license_disabled version3 libvo_aacenc
f502ff3f 2696die_license_disabled version3 libvo_amrwbenc
0b175caa 2697
9cad0e4e 2698enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2699
40617a6d 2700disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2701
e276d9e8
MR
2702enable_pic() {
2703 enable pic
bce7b696
MR
2704 add_cppflags -DPIC
2705 add_cflags -fPIC
2706 add_asflags -fPIC
e276d9e8
MR
2707}
2708
2709enabled pic && enable_pic
bce7b696 2710
b4d96ba2
MR
2711check_cc <<EOF || die "Symbol mangling check failed."
2712int ff_extern;
2713EOF
8182dc34 2714sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2715extern_prefix=${sym%%ff_extern*}
2716
f65883c8
MR
2717check_cc <<EOF && enable inline_asm
2718void foo(void) { __asm__ volatile ("" ::); }
2719EOF
61d251db 2720
df5e3978
MR
2721_restrict=
2722for restrict_keyword in restrict __restrict__ __restrict; do
2723 check_cc <<EOF && _restrict=$restrict_keyword && break
2724void foo(char * $restrict_keyword p);
2725EOF
2726done
2727
2728check_cc <<EOF && enable attribute_packed
2729struct { int x; } __attribute__((packed)) x;
2730EOF
2731
dffb41b9
MR
2732check_cc <<EOF && enable attribute_may_alias
2733union { int x; } __attribute__((may_alias)) x;
2734EOF
2735
df5e3978
MR
2736check_cc <<EOF || die "endian test failed"
2737unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2738EOF
48fc536a 2739od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2740
e939cedd
MR
2741if enabled alpha; then
2742
2743 check_cflags -mieee
2744
2745elif enabled arm; then
e45391bb 2746
8986fddc 2747 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 2748 nogas=die
50fa82e6 2749
44caaa56
MR
2750 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2751 enable vfp_args
2752 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2753 case "${cross_prefix:-$cc}" in
2754 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2755 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
2756__asm__ (".eabi_attribute 28, 1");
2757int main(void) { return 0; }
2758EOF
44caaa56
MR
2759 esac
2760 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2761 fi
fa0912fe 2762
fa0912fe
MR
2763 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2764 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2765 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2766 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
fa0912fe 2767 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
93eb8e4d 2768 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
e45391bb 2769
6308729e
MR
2770 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2771
e276d9e8
MR
2772 enabled_all armv6t2 shared !pic && enable_pic
2773
fa0912fe 2774elif enabled mips; then
e45391bb 2775
fa0912fe
MR
2776 check_asm loongson '"dmult.g $1, $2, $3"'
2777 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2778
fa0912fe 2779elif enabled ppc; then
e45391bb 2780
e6a0c354
MR
2781 enable local_aligned_8 local_aligned_16
2782
135448fa 2783 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2784 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2785 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2786 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2787
2788 # AltiVec flags: The FSF version of GCC differs from the Apple version
2789 if enabled altivec; then
301ab19d 2790 nogas=warn
fa0912fe
MR
2791 check_cflags -maltivec -mabi=altivec &&
2792 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2793 check_cflags -faltivec
2794
2795 # check if our compiler supports Motorola AltiVec C API
2796 check_cc <<EOF || disable altivec
2797$inc_altivec_h
2798int main(void) {
2799 vector signed int v1, v2, v3;
2800 v1 = vec_add(v2,v3);
2801 return 0;
2802}
2803EOF
2804
2805 # check if our compiler supports braces for vector declarations
2806 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2807$inc_altivec_h
2808int main (void) { (vector int) {1}; return 0; }
2809EOF
2810 fi
e45391bb 2811
fa0912fe 2812elif enabled sparc; then
e45391bb 2813
fa0912fe
MR
2814 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2815 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2816
fa0912fe 2817elif enabled x86; then
e45391bb 2818
3f150ffb 2819 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
c0ee695b 2820 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
8e85ba8d 2821 check_code ld intrin.h "__rdtsc()" && enable rdtsc
358d854d 2822 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
8e85ba8d 2823
f80ddd5b
RB
2824 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2825
e6a0c354
MR
2826 enable local_aligned_8 local_aligned_16
2827
44965991
PI
2828 # check whether EBP is available on x86
2829 # As 'i' is stored on the stack, this program will crash
2830 # if the base pointer is used to access it because the
2831 # base pointer is cleared in the inline assembly code.
7dfef245 2832 check_exec_crash <<EOF && enable ebp_available
44965991 2833 volatile int i=0;
be449fca 2834 __asm__ volatile (
44965991
PI
2835 "xorl %%ebp, %%ebp"
2836 ::: "%ebp");
2837 return i;
44965991
PI
2838EOF
2839
f494213c 2840 # check whether EBX is available on x86
7cee5421
MR
2841 check_asm ebx_available '""::"b"(0)' &&
2842 check_asm ebx_available '"":::"%ebx"'
8e380710 2843
6f74fb03
RP
2844 # check whether xmm clobbers are supported
2845 check_asm xmm_clobbers '"":::"%xmm0"'
2846
d7f0920b 2847 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2848 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2849 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6 2850
9cca1e40 2851 if ! disabled_any asm mmx yasm; then
b6c06894
MR
2852 if check_cmd $yasmexe --version; then
2853 enabled x86_64 && yasm_extra="-m amd64"
2854 yasm_debug="-g dwarf2"
2855 elif check_cmd nasm -v; then
2856 yasmexe=nasm
2857 yasm_debug="-g -F dwarf"
2858 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2859 fi
2860
2861 YASMFLAGS="-f $objformat $yasm_extra"
2862 enabled pic && append YASMFLAGS "-DPIC"
2863 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2864 case "$objformat" in
2865 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2866 esac
2867
48545a8f 2868 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
25432e85 2869 die "yasm not found, use --disable-yasm for a crippled build"
429059f8 2870 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
79687079 2871 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
31a0dcb2 2872 fi
e45391bb 2873
669b5583
MR
2874 case "$cpu" in
2875 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2876 disable fast_clz
2877 ;;
2878 esac
2879
44965991
PI
2880fi
2881
301ab19d
MR
2882if enabled asm; then
2883 as=${gas:=$as}
2884 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2885 $nogas "GNU assembler not found, install gas-preprocessor"
2886fi
2887
4a7e068b
MR
2888check_ldflags -Wl,--as-needed
2889
a98bb16d
RP
2890if check_func dlopen; then
2891 ldl=
2892elif check_func dlopen -ldl; then
2893 ldl=-ldl
8bf5d58f
MN
2894fi
2895
54fe299b
DV
2896if enabled network; then
2897 check_type "sys/types.h sys/socket.h" socklen_t
2898 check_type netdb.h "struct addrinfo"
75d339e0
MS
2899 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2900 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
2901 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2902 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 2903 check_type poll.h "struct pollfd"
54fe299b
DV
2904 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2905 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5699884c 2906 check_header netinet/sctp.h
f06dee77 2907 check_func getaddrinfo $network_extralibs
54fe299b
DV
2908 # Prefer arpa/inet.h over winsock2
2909 if check_header arpa/inet.h ; then
2910 check_func closesocket
2911 elif check_header winsock2.h ; then
47876d66
DB
2912 check_func_headers winsock2.h closesocket -lws2 &&
2913 network_extralibs="-lws2" ||
2914 { check_func_headers winsock2.h closesocket -lws2_32 &&
54fe299b 2915 network_extralibs="-lws2_32"; }
f06dee77 2916 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
54fe299b
DV
2917 check_type ws2tcpip.h socklen_t
2918 check_type ws2tcpip.h "struct addrinfo"
75d339e0
MS
2919 check_type ws2tcpip.h "struct group_source_req"
2920 check_type ws2tcpip.h "struct ip_mreq_source"
54fe299b 2921 check_type ws2tcpip.h "struct ipv6_mreq"
cdee08e3 2922 check_type winsock2.h "struct pollfd"
54fe299b
DV
2923 check_type ws2tcpip.h "struct sockaddr_in6"
2924 check_type ws2tcpip.h "struct sockaddr_storage"
2925 check_struct winsock2.h "struct sockaddr" sa_len
2926 else
2927 disable network
2928 fi
2929fi
2930
75ecf149
DB
2931# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2932check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2933
534a2231 2934check_func fcntl
7483e694
DB
2935check_func fork
2936check_func gethrtime
667fb97a 2937check_func getopt
7483e694 2938check_func getrusage
fc5607f8 2939check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
61183b5a 2940check_func gettimeofday
094c09bb 2941check_func inet_aton $network_extralibs
abfc8d05 2942check_func isatty
a5b64584 2943check_func localtime_r
4ae40685 2944check_func ${malloc_prefix}memalign && enable memalign
7483e694 2945check_func mkstemp
0328b9ea 2946check_func mmap
4ae40685 2947check_func ${malloc_prefix}posix_memalign && enable posix_memalign
be1a839c 2948check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
0104b608 2949check_func setrlimit
87958234 2950check_func strerror_r
6379900c 2951check_func strptime
47941088 2952check_func strtok_r
ea4d5f48 2953check_func sched_getaffinity
bcc73960 2954check_func sysconf
b9e22269 2955check_func sysctl
d3d3a32c 2956check_func usleep
b507ebd1 2957check_func_headers io.h setmode
b4675d0f 2958check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
fc5607f8 2959check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
02e8f427 2960check_func_headers windows.h GetProcessAffinityMask
2446d3d6 2961check_func_headers windows.h GetProcessTimes
61183b5a 2962check_func_headers windows.h GetSystemTimeAsFileTime
73f6d31e 2963check_func_headers windows.h MapViewOfFile
d3d3a32c 2964check_func_headers windows.h Sleep
7c5bfe7a 2965check_func_headers windows.h VirtualAlloc
6ffa87d3 2966
a98bb16d 2967check_header dlfcn.h
fa845061 2968check_header dxva.h
92c6a099 2969check_header dxva2api.h
3b1ab197 2970check_header io.h
a98bb16d 2971check_header malloc.h
bf6ce82d 2972check_header poll.h
b58412f1 2973check_header sys/mman.h
06bb5905 2974check_header sys/param.h
b091aa44 2975check_header sys/resource.h
bf6ce82d 2976check_header sys/select.h
e64bceea 2977check_header sys/time.h
542920b7 2978check_header unistd.h
272081b0
CEH
2979check_header vdpau/vdpau.h
2980check_header vdpau/vdpau_x11.h
d3d3a32c 2981check_header windows.h
68178ca9 2982check_header X11/extensions/XvMClib.h
a98bb16d 2983
a4fa192c 2984disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2985disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4 2986
ff3755cb
JG
2987if ! disabled w32threads && ! enabled pthreads; then
2988 check_func _beginthreadex && enable w32threads
2989fi
2990
57bd82d4
MR
2991# check for some common methods of building with pthread support
2992# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2993if ! disabled pthreads && ! enabled w32threads; then
2994 enable pthreads
9e7fd101
MR
2995 if check_func pthread_create; then
2996 :
2997 elif check_func pthread_create -pthread; then
2998 add_cflags -pthread
afc9aee2 2999 add_extralibs -pthread
9e7fd101
MR
3000 elif check_func pthread_create -pthreads; then
3001 add_cflags -pthreads
afc9aee2 3002 add_extralibs -pthreads
8d94f606
GT
3003 elif check_func pthread_create -lpthreadGC2; then
3004 add_extralibs -lpthreadGC2
9e7fd101 3005 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 3006 disable pthreads
9e7fd101 3007 fi
57bd82d4
MR
3008fi
3009
8eee7025 3010for thread in $THREADS_LIST; do
e5f94c2b 3011 if enabled $thread; then
3ae3b721
RP
3012 test -n "$thread_type" &&
3013 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 3014 thread_type="$thread"
e5f94c2b
RP
3015 fi
3016done
3017
50f7c296 3018check_lib math.h sin -lm && LIBM="-lm"
f3e3f28e 3019enabled vaapi && require vaapi va/va.h vaInitialize -lva
fdf88598 3020
15333562 3021check_mathfunc cbrtf
645d2652
MR
3022check_mathfunc exp2
3023check_mathfunc exp2f
46df708b
MS
3024check_mathfunc isinf
3025check_mathfunc isnan
645d2652 3026check_mathfunc llrint
07876e25 3027check_mathfunc llrintf
645d2652
MR
3028check_mathfunc log2
3029check_mathfunc log2f
3030check_mathfunc lrint
3031check_mathfunc lrintf
183b1c22 3032check_mathfunc rint
645d2652
MR
3033check_mathfunc round
3034check_mathfunc roundf
23d3931a 3035check_mathfunc trunc
645d2652 3036check_mathfunc truncf
f32adb22 3037
57bd82d4 3038# these are off by default, so fail if requested and not available
a1b3c5a3 3039enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
47941088 3040enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
bc8c1395 3041enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
79fda097 3042enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
37eeb5e2 3043enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
a5b64584 3044enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
5af41508 3045enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3641b048 3046enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
9b9d3868 3047enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
eb7626a3
MR
3048enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3049enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4fa18c56 3050enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3d6fac8c 3051enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0de9c41f 3052enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4fa18c56
MR
3053enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3054enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
ae14f311 3055enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 3056enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
d89e738a 3057enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
f502ff3f 3058enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
7483e694 3059enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
7d07d6f5
DB
3060enabled libvpx && {
3061 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3062 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3063 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3064 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
eb7626a3 3065enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
46c3c53b
AK
3066 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3067 die "ERROR: libx264 version must be >= 0.118."; }
de295976 3068enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2bfecf73 3069enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
a060866f
MS
3070enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3071 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3072 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3073 die "ERROR: openssl not found"; }
8ac17293 3074
acd554c1
SP
3075if enabled gnutls; then
3076 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3077 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3078fi
3079
0b4a1821
AS
3080# libdc1394 check
3081if enabled libdc1394; then
3082 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3083 enable libdc1394_2; } ||
3084 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3085 enable libdc1394_1; } ||
3086 die "ERROR: No version of libdc1394 found "
3087fi
3088
9bd41bb1 3089if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
aa692d54
MR
3090 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3091 enable sdl &&
3092 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 3093fi
57bd82d4 3094
2270b4b2 3095texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 3096
c6f95144 3097check_header linux/fb.h
06e31011 3098check_header linux/videodev2.h
a6a4793d
LB
3099check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3100
1b6e8b73 3101check_header sys/videoio.h
47f38850 3102
27796dc3 3103check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
3104# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3105# w32api 3.12 had it defined wrong
3106check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 3107
f8aa696f 3108# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
3109{ check_header dev/bktr/ioctl_meteor.h &&
3110 check_header dev/bktr/ioctl_bt848.h; } ||
3111{ check_header machine/ioctl_meteor.h &&
3112 check_header machine/ioctl_bt848.h; } ||
3113{ check_header dev/video/meteor/ioctl_meteor.h &&
3114 check_header dev/video/bktr/ioctl_bt848.h; } ||
3115check_header dev/ic/bt8xx.h
f8aa696f 3116
15d59d2c 3117check_header sndio.h
c7682de0
RP
3118check_header sys/soundcard.h
3119check_header soundcard.h
deb29777 3120
b6f3d925 3121enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 3122
8772997d
SM
3123enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3124 check_func jack_port_get_latency_range -ljack
80ff8a16 3125
15d59d2c
B
3126enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3127
e417d80d
AK
3128enabled libcdio &&
3129 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3130
4a584eda
JA
3131enabled x11grab &&
3132require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3133require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3134require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
f58f4ce1 3135
ac3dbb4d
SZ
3136# check for VDA header
3137if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
be1e8725 3138 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
ac3dbb4d
SZ
3139fi
3140
598ef02b 3141if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
3142check_cpp_condition \
3143 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
3144 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3145 disable vdpau; }
abf649c7 3146fi
deda2a4a 3147
95e561ec 3148enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
3149
3150# add some useful compiler flags if supported
3151check_cflags -Wdeclaration-after-statement
dcd479c0 3152check_cflags -Wall
440e3b2f 3153check_cflags -Wno-parentheses
dcd479c0 3154check_cflags -Wno-switch
b36518dc 3155check_cflags -Wno-format-zero-length
c07bd6a9
MN
3156check_cflags -Wdisabled-optimization
3157check_cflags -Wpointer-arith
3158check_cflags -Wredundant-decls
cc1fb623 3159check_cflags -Wno-pointer-sign
f4929996 3160check_cflags -Wcast-qual
9aceb3cf 3161check_cflags -Wwrite-strings
652a5bf6 3162check_cflags -Wtype-limits
764551c6 3163check_cflags -Wundef
fc298fd9 3164check_cflags -Wmissing-prototypes
c2ed91de 3165check_cflags -Wstrict-prototypes
5af4e0cc 3166enabled extra_warnings && check_cflags -Winline
cf9d24ad 3167
57bd82d4 3168# add some linker flags
5c0e9479 3169check_ldflags -Wl,--warn-common
3510a133 3170check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
fef2d661 3171test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
94a3401e 3172
47876d66 3173enabled xmm_clobber_test &&
7e4d9d5d
RB
3174 check_ldflags -Wl,--wrap,avcodec_open2 \
3175 -Wl,--wrap,avcodec_decode_audio4 \
3176 -Wl,--wrap,avcodec_decode_video2 \
3177 -Wl,--wrap,avcodec_decode_subtitle2 \
3178 -Wl,--wrap,avcodec_encode_audio2 \
3179 -Wl,--wrap,avcodec_encode_video \
3180 -Wl,--wrap,avcodec_encode_subtitle \
47876d66 3181 -Wl,--wrap,sws_scale ||
7e4d9d5d
RB
3182 disable xmm_clobber_test
3183
a482e61b 3184echo "X{};" > $TMPV
b462d132 3185if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 3186 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
3187 check_cc <<EOF && enable symver_asm_label
3188void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 3189void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
3190EOF
3191 check_cc <<EOF && enable symver_gnu_asm
3192__asm__(".symver ff_foo,av_foo@VERSION");
3193void ff_foo(void) {}
3194EOF
3195fi
a482e61b 3196
9cd7b854
MR
3197if [ -n "$optflags" ]; then
3198 add_cflags $optflags
3199elif enabled small; then
01d31e16 3200 add_cflags $cflags_size
8400d6b8 3201elif enabled optimizations; then
01d31e16 3202 add_cflags $cflags_speed
b05394a0 3203else
01d31e16 3204 add_cflags $cflags_noopt
cddf3f45 3205fi
11fdbc44 3206check_cflags -fno-math-errno
b2eb2ff0 3207check_cflags -fno-signed-zeros
cddf3f45 3208
629687f6 3209if enabled icc; then
b1598b58
MR
3210 # Just warnings, no remarks
3211 check_cflags -w1
3212 # -wd: Disable following warnings
3213 # 144, 167, 556: -Wno-pointer-sign
91bcad19 3214 # 1292: attribute "foo" ignored
88de5b0a 3215 # 1419: external declaration in primary source file
b1598b58 3216 # 10006: ignoring unknown option -fno-signed-zeros
f1c7c6ae 3217 # 10148: ignoring unknown option -Wno-parentheses
b1598b58 3218 # 10156: ignoring option '-W'; no argument required
88de5b0a 3219 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
b1598b58
MR
3220 # 11030: Warning unknown option --as-needed
3221 # 10156: ignoring option '-export'; no argument required
3222 check_ldflags -wd10156,11030
3223 # Allow to compile with optimizations
3224 check_ldflags -march=$cpu
be2cf98a
CEH
3225 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3226 enable ebp_available
bdefad73 3227 if enabled x86_32; then
07e3f9af 3228 icc_version=$($cc -dumpversion)
47876d66
DB
3229 test ${icc_version%%.*} -ge 11 &&
3230 check_cflags -falign-stack=maintain-16-byte ||
bdefad73
MR
3231 disable aligned_stack
3232 fi
df442a8d
MR
3233elif enabled ccc; then
3234 # disable some annoying warnings
3235 add_cflags -msg_disable cvtu32to64
3236 add_cflags -msg_disable embedcomment
3237 add_cflags -msg_disable needconstext
3238 add_cflags -msg_disable nomainieee
3239 add_cflags -msg_disable ptrmismatch1
3240 add_cflags -msg_disable unreachcode
973859f5
MR
3241elif enabled gcc; then
3242 check_cflags -fno-tree-vectorize
765e6134 3243 check_cflags -Werror=implicit-function-declaration
de63bfec 3244 check_cflags -Werror=missing-prototypes
9d6b2077 3245 check_cflags -Werror=declaration-after-statement
613a4e3f
MR
3246elif enabled llvm_gcc; then
3247 check_cflags -mllvm -stack-alignment=16
06da6943 3248elif enabled clang; then
5c8ef670 3249 check_cflags -mllvm -stack-alignment=16
06da6943 3250 check_cflags -Qunused-arguments
138132be
MR