mpegaudio: bury inline asm under HAVE_INLINE_ASM.
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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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
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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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
3b327a4b
DB
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76Standard options:
19bd477d 77 --logfile=FILE log tests and output to FILE [config.log]
06454877
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78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
06454877
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82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
3b327a4b 87Licensing options:
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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
06454877
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158 --disable-outdevs disable output devices
159 --disable-devices disable all devices
160 --enable-filter=NAME enable filter NAME
161 --disable-filter=NAME disable filter NAME
162 --disable-filters disable all filters
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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]
06454877
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196 --enable-zlib enable zlib [autodetect]
197
198Advanced options (experts only):
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199 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
200 --enable-cross-compile assume a cross-compiler is used
201 --sysroot=PATH root of cross-build tree
202 --sysinclude=PATH location of cross-build system headers
203 --target-os=OS compiler targets OS [$target_os]
204 --target-exec=CMD command to run executables on target
205 --target-path=DIR path to view of build directory on target
206 --nm=NM use nm tool
121d78d0 207 --ar=AR use archive tool AR [$ar_default]
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208 --as=AS use assembler AS [$as_default]
209 --cc=CC use C compiler CC [$cc_default]
210 --ld=LD use linker LD
211 --host-cc=HOSTCC use host C compiler HOSTCC
212 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
213 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
214 --host-libs=HLIBS use libs HLIBS when linking for host
215 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
216 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
217 --extra-libs=ELIBS add ELIBS [$ELIBS]
218 --extra-version=STRING version string suffix []
3b327a4b 219 --optflags override optimization-related compiler flags
06454877 220 --build-suffix=SUFFIX library name suffix []
3b327a4b 221 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
06454877
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222 --arch=ARCH select architecture [$arch]
223 --cpu=CPU select the minimum required CPU (affects
224 instruction selection, may crash on older CPUs)
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DB
225 --enable-pic build position-independent code
226 --enable-sram allow use of on-chip SRAM
227 --disable-symver disable symbol versioning
228 --disable-fastdiv disable table-based division
229 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
230 --disable-safe-bitstream-reader
231 disable buffer boundary checking in bitreaders
232 (faster, but may crash)
233 --enable-memalign-hack emulate memalign, interferes with memory debuggers
234
235Optimization options (experts only):
c8a4ae00 236 --disable-asm disable all assembler optimizations
06454877
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237 --disable-altivec disable AltiVec optimizations
238 --disable-amd3dnow disable 3DNow! optimizations
239 --disable-amd3dnowext disable 3DNow! extended optimizations
240 --disable-mmx disable MMX optimizations
241 --disable-mmx2 disable MMX2 optimizations
242 --disable-sse disable SSE optimizations
243 --disable-ssse3 disable SSSE3 optimizations
87f1355f 244 --disable-avx disable AVX optimizations
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245 --disable-armv5te disable armv5te optimizations
246 --disable-armv6 disable armv6 optimizations
247 --disable-armv6t2 disable armv6t2 optimizations
248 --disable-armvfp disable ARM VFP optimizations
06454877 249 --disable-mmi disable MMI optimizations
5ea20630 250 --disable-neon disable NEON optimizations
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251 --disable-vis disable VIS optimizations
252 --disable-yasm disable use of yasm assembler
06454877 253
070c5d0f 254Developer options (useful when working on Libav itself):
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255 --disable-debug disable debugging symbols
256 --enable-debug=LEVEL set the debug level [$debuglevel]
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257 --disable-optimizations disable compiler optimizations
258 --enable-extra-warnings enable more compiler warnings
52b3cc60 259 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 260 \$LIBAV_SAMPLES at make invocation time.
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261 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
262 should be used only for debugging purposes)
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263
264NOTE: Object files are built at the place where configure is launched.
265EOF
60e8bc13 266 exit 0
74c53c2d 267}
cf9d24ad 268
0884fadf
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269quotes='""'
270
57bd82d4 271log(){
2270b4b2 272 echo "$@" >> $logfile
57bd82d4
MR
273}
274
720c69da 275log_file(){
c8e9f801 276 log BEGIN $1
2270b4b2 277 pr -n -t $1 >> $logfile
c8e9f801
MR
278 log END $1
279}
280
2ba042a7 281echolog(){
c8e9f801 282 log "$@"
57bd82d4 283 echo "$@"
2ba042a7
MR
284}
285
7bfc8ae6
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286warn(){
287 log "WARNING: $*"
288 WARNINGS="${WARNINGS}WARNING: $*\n"
289}
290
2ba042a7
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291die(){
292 echolog "$@"
293 cat <<EOF
d326cf7f 294
2ba042a7 295If you think configure made a mistake, make sure you are using the latest
4a6a21f5 296version from Git. If the latest version fails, report the problem to the
070c5d0f 297libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 298EOF
e155a21a 299 if disabled logging; then
2ba042a7 300 cat <<EOF
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301Rerun configure with logging enabled (do not use --disable-logging), and
302include the log this produces with your report.
2ba042a7
MR
303EOF
304 else
305cat <<EOF
e155a21a
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306Include the log file "$logfile" produced by configure as this will help
307solving the problem.
2ba042a7
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308EOF
309 fi
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310 exit 1
311}
312
6c6007d6 313# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 314toupper(){
6c6007d6 315 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
316}
317
4a5444db 318tolower(){
6c6007d6 319 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
320}
321
14a8acf1
MR
322c_escape(){
323 echo "$*" | sed 's/["\\]/\\\0/g'
324}
325
b04251c5
MR
326sh_quote(){
327 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 328 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
MR
329 echo "$v"
330}
331
bb7a22b5
MR
332cleanws(){
333 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
334}
335
be8f2501
MR
336filter(){
337 pat=$1
338 shift
339 for v; do
98ef6079 340 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
341 done
342}
343
9d201b26
MR
344filter_out(){
345 pat=$1
346 shift
347 for v; do
348 eval "case $v in $pat) ;; *) echo $v ;; esac"
349 done
350}
351
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MR
352map(){
353 m=$1
354 shift
e0e335a0 355 for v; do eval $m; done
36e2dea0
MR
356}
357
a8d04fba
MR
358set_all(){
359 value=$1
360 shift
361 for var in $*; do
362 eval $var=$value
363 done
364}
365
72a43668
MR
366set_weak(){
367 value=$1
368 shift
369 for var; do
370 eval : \${$var:=$value}
371 done
372}
373
3f8040db
MR
374set_safe(){
375 var=$1
376 shift
377 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
378}
379
380get_safe(){
381 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
382}
383
799c9e9b
MR
384pushvar(){
385 for var in $*; do
386 eval level=\${${var}_level:=0}
387 eval ${var}_${level}="\$$var"
388 eval ${var}_level=$(($level+1))
389 done
390}
391
392popvar(){
393 for var in $*; do
394 eval level=\${${var}_level:-0}
395 test $level = 0 && continue
396 eval level=$(($level-1))
397 eval $var="\${${var}_${level}}"
398 eval ${var}_level=$level
399 eval unset ${var}_${level}
400 done
401}
402
a8d04fba
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403enable(){
404 set_all yes $*
405}
406
407disable(){
408 set_all no $*
409}
410
72a43668
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411enable_weak(){
412 set_weak yes $*
413}
414
415disable_weak(){
416 set_weak no $*
417}
418
72702705 419enable_safe(){
fd07f803
MR
420 for var; do
421 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
422 done
72702705
MR
423}
424
425disable_safe(){
fd07f803
MR
426 for var; do
427 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
428 done
72702705
MR
429}
430
f9d328da
MR
431do_enable_deep(){
432 for var; do
433 enabled $var && continue
434 eval sel="\$${var}_select"
c510c7b5
MR
435 eval sgs="\$${var}_suggest"
436 pushvar var sgs
f9d328da 437 enable_deep $sel
c510c7b5
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438 popvar sgs
439 enable_deep_weak $sgs
f9d328da
MR
440 popvar var
441 done
442}
443
444enable_deep(){
445 do_enable_deep $*
446 enable $*
447}
448
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449enable_deep_weak(){
450 do_enable_deep $*
451 enable_weak $*
452}
453
57bd82d4 454enabled(){
3250003c
MR
455 test "${1#!}" = "$1" && op== || op=!=
456 eval test "x\$${1#!}" $op "xyes"
44161118
MR
457}
458
37970ebf 459disabled(){
3250003c
MR
460 test "${1#!}" = "$1" && op== || op=!=
461 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
462}
463
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464enabled_all(){
465 for opt; do
466 enabled $opt || return 1
467 done
468}
469
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470disabled_all(){
471 for opt; do
472 disabled $opt || return 1
473 done
474}
475
44161118
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476enabled_any(){
477 for opt; do
478 enabled $opt && return 0
479 done
480}
481
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DB
482disabled_any(){
483 for opt; do
484 disabled $opt && return 0
485 done
f7b230a7 486 return 1
85bca2c5
DB
487}
488
c9d19248
MR
489set_default(){
490 for opt; do
88268e94 491 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
492 done
493}
494
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495is_in(){
496 value=$1
497 shift
498 for var in $*; do
499 [ $var = $value ] && return 0
500 done
501 return 1
502}
503
30fd06be
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504check_deps(){
505 for cfg; do
3250003c 506 cfg="${cfg#!}"
799c9e9b
MR
507 enabled ${cfg}_checking && die "Circular dependency for $cfg."
508 disabled ${cfg}_checking && continue
509 enable ${cfg}_checking
510
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511 eval dep_all="\$${cfg}_deps"
512 eval dep_any="\$${cfg}_deps_any"
7ef3425f 513 eval dep_sel="\$${cfg}_select"
c510c7b5 514 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
515 eval dep_ifa="\$${cfg}_if"
516 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 517
3d7453e0
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518 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
519 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
520 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 521
3d7453e0
MR
522 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
523 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
524 enabled_all $dep_all || disable $cfg
525 enabled_any $dep_any || disable $cfg
7ef3425f 526 disabled_any $dep_sel && disable $cfg
799c9e9b 527
4ec45764
RP
528 if enabled $cfg; then
529 eval dep_extralibs="\$${cfg}_extralibs"
530 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 531 enable_deep $dep_sel
c510c7b5 532 enable_deep_weak $dep_sgs
4ec45764
RP
533 fi
534
799c9e9b 535 disable ${cfg}_checking
30fd06be
MR
536 done
537}
538
72cfcf41
MR
539print_config_h(){
540 enabled $1 && v=1 || v=0
541 echo "#define $2 $v"
542}
543
544print_config_mak(){
545 enabled $1 && v= || v=!
546 echo "$v$2=yes"
547}
548
55127e7b 549print_config_asm(){
3b15a6d7
RB
550 enabled $1 && v=1 || v=0
551 echo "%define $2 $v"
55127e7b
MR
552}
553
44161118
MR
554print_config(){
555 pfx=$1
72cfcf41
MR
556 files=$2
557 shift 2
44161118 558 for cfg; do
5e622c40 559 ucname="$(toupper $cfg)"
72cfcf41
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560 for f in $files; do
561 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
562 done
44161118 563 done
57bd82d4
MR
564}
565
31c0121d
MR
566print_enabled(){
567 test "$1" = -n && end=" " && shift || end="\n"
568 suf=$1
569 shift
570 for v; do
571 enabled $v && printf "%s$end" ${v%$suf};
572 done
573}
574
57bd82d4
MR
575append(){
576 var=$1
577 shift
57bd82d4
MR
578 eval "$var=\"\$$var $*\""
579}
580
60361817
MR
581prepend(){
582 var=$1
583 shift
584 eval "$var=\"$* \$$var\""
585}
586
50a334e4 587add_cppflags(){
cd52ec95 588 append CPPFLAGS "$@"
50a334e4
MR
589}
590
57bd82d4 591add_cflags(){
01d31e16 592 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
593}
594
2f2e6c7c 595add_asflags(){
01d31e16 596 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
597}
598
57bd82d4 599add_ldflags(){
64933b6c 600 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
601}
602
603add_extralibs(){
64933b6c 604 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
605}
606
6c3fa06a
MR
607add_host_cflags(){
608 append host_cflags $($host_cflags_filter "$@")
609}
610
611add_host_ldflags(){
612 append host_ldflags $($host_ldflags_filter "$@")
613}
614
b0cfb663 615check_cmd(){
b3cb5d51 616 log "$@"
2270b4b2 617 "$@" >> $logfile 2>&1
b0cfb663
MR
618}
619
b2704a65
MR
620cc_o(){
621 eval printf '%s\\n' $CC_O
622}
623
dcd479c0 624check_cc(){
57bd82d4 625 log check_cc "$@"
2270b4b2 626 cat > $TMPC
720c69da 627 log_file $TMPC
b2704a65 628 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c $(cc_o $TMPO) $TMPC
57bd82d4
MR
629}
630
631check_cpp(){
632 log check_cpp "$@"
2270b4b2 633 cat > $TMPC
720c69da 634 log_file $TMPC
9e7f3277 635 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
636}
637
f65883c8
MR
638check_as(){
639 log check_as "$@"
640 cat > $TMPC
641 log_file $TMPC
2f2e6c7c 642 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
643}
644
940f335a
MR
645check_asm(){
646 log check_asm "$@"
647 name="$1"
3784e82e 648 code="$2"
940f335a 649 shift 2
49214f61
MR
650 disable $name
651 check_as "$@" <<EOF && enable $name
3784e82e 652void foo(void){ __asm__ volatile($code); }
940f335a
MR
653EOF
654}
655
304d586d
LM
656check_yasm(){
657 log check_yasm "$@"
658 echo "$1" > $TMPS
659 log_file $TMPS
660 shift 1
661 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
662}
663
dcd479c0 664check_ld(){
57bd82d4 665 log check_ld "$@"
3155a644
MR
666 flags=''
667 libs=''
668 for f; do
669 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
670 done
01d31e16 671 check_cc $($cflags_filter $flags) || return
64933b6c
MR
672 flags=$($ldflags_filter $flags)
673 libs=$($ldflags_filter $libs)
7e75f9fe 674 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
dcd479c0
MR
675}
676
5adc829e
MR
677check_code(){
678 log check_code "$@"
679 check=$1
680 headers=$2
681 code=$3
682 shift 3
683 {
684 for hdr in $headers; do
685 echo "#include <$hdr>"
686 done
687 echo "int main(void) { $code; return 0; }"
688 } | check_$check "$@"
689}
690
50a334e4
MR
691check_cppflags(){
692 log check_cppflags "$@"
caf458dd 693 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
694int x;
695EOF
696}
697
dcd479c0 698check_cflags(){
57bd82d4 699 log check_cflags "$@"
01d31e16 700 set -- $($cflags_filter "$@")
caf458dd 701 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
702int x;
703EOF
704}
705
2ed46eea
MR
706test_ldflags(){
707 log test_ldflags "$@"
708 check_ld "$@" <<EOF
c23a0ac8 709int main(void){ return 0; }
dcd479c0
MR
710EOF
711}
712
2ed46eea
MR
713check_ldflags(){
714 log check_ldflags "$@"
715 test_ldflags "$@" && add_ldflags "$@"
716}
717
dcd479c0 718check_header(){
57bd82d4 719 log check_header "$@"
dcd479c0
MR
720 header=$1
721 shift
b77df637
MR
722 disable_safe $header
723 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
724#include <$header>
725int x;
726EOF
727}
728
729check_func(){
57bd82d4 730 log check_func "$@"
dcd479c0
MR
731 func=$1
732 shift
d8bc5f06
MR
733 disable $func
734 check_ld "$@" <<EOF && enable $func
dcd479c0 735extern int $func();
c23a0ac8 736int main(void){ $func(); }
dcd479c0
MR
737EOF
738}
739
645d2652 740check_mathfunc(){
6b73c0ae 741 log check_mathfunc "$@"
645d2652
MR
742 func=$1
743 shift
744 disable $func
745 check_ld "$@" <<EOF && enable $func
746#include <math.h>
33bd38db
MR
747float foo(float f) { return $func(f); }
748int main(void){ return 0; }
645d2652
MR
749EOF
750}
751
2446d3d6
DB
752check_func_headers(){
753 log check_func_headers "$@"
f8d7b072 754 headers=$1
edaf1ae2 755 funcs=$2
f8d7b072 756 shift 2
edaf1ae2
MR
757 {
758 for hdr in $headers; do
759 echo "#include <$hdr>"
760 done
761 for func in $funcs; do
762 echo "long check_$func(void) { return (long) $func; }"
763 done
764 echo "int main(void) { return 0; }"
765 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
766}
767
a5344cf7
SS
768check_cpp_condition(){
769 log check_cpp_condition "$@"
770 header=$1
771 condition=$2
f855b7b9 772 shift 2
cd52ec95 773 check_cpp "$@" <<EOF
a5344cf7
SS
774#include <$header>
775#if !($condition)
776#error "unsatisfied condition: $condition"
777#endif
778EOF
779}
780
57bd82d4
MR
781check_lib(){
782 log check_lib "$@"
783 header="$1"
784 func="$2"
785 shift 2
84400e9d 786 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
787}
788
f8d7b072
MR
789check_lib2(){
790 log check_lib2 "$@"
791 headers="$1"
edaf1ae2 792 funcs="$2"
f8d7b072 793 shift 2
edaf1ae2 794 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
795}
796
3f8040db
MR
797check_pkg_config(){
798 log check_pkg_config "$@"
799 pkg="$1"
800 headers="$2"
801 funcs="$3"
802 shift 3
803 $pkg_config --exists $pkg || return
804 pkg_cflags=$($pkg_config --cflags $pkg)
805 pkg_libs=$($pkg_config --libs $pkg)
806 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
807 set_safe ${pkg}_cflags $pkg_cflags &&
808 set_safe ${pkg}_libs $pkg_libs
809}
810
dcd479c0 811check_exec(){
2270b4b2 812 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
813}
814
7dfef245 815check_exec_crash(){
5e622c40 816 code=$(cat)
7dfef245
MR
817
818 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
819 # are safe but may not be available everywhere. Thus we use
820 # raise(SIGTERM) instead. The check is run in a subshell so we
821 # can redirect the "Terminated" message from the shell. SIGBUS
822 # is not defined by standard C so it is used conditionally.
823
2270b4b2 824 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
825#include <signal.h>
826static void sighandler(int sig){
827 raise(SIGTERM);
828}
e5af4a11 829int main(void){
7dfef245
MR
830 signal(SIGILL, sighandler);
831 signal(SIGFPE, sighandler);
832 signal(SIGSEGV, sighandler);
833#ifdef SIGBUS
834 signal(SIGBUS, sighandler);
835#endif
836 { $code }
837}
838EOF
839}
840
72be9e73
DY
841check_type(){
842 log check_type "$@"
843 headers=$1
844 type=$2
845 shift 2
ae550ce9 846 disable_safe "$type"
5adc829e 847 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
848}
849
14d36751
MR
850check_struct(){
851 log check_type "$@"
852 headers=$1
853 struct=$2
854 member=$3
855 shift 3
856 disable_safe "${struct}_${member}"
5adc829e
MR
857 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
858 enable_safe "${struct}_${member}"
14d36751
MR
859}
860
57bd82d4
MR
861require(){
862 name="$1"
863 header="$2"
864 func="$3"
865 shift 3
866 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
867}
868
f8d7b072
MR
869require2(){
870 name="$1"
871 headers="$2"
872 func="$3"
873 shift 3
874 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
875}
876
3f8040db
MR
877require_pkg_config(){
878 pkg="$1"
879 check_pkg_config "$@" || die "ERROR: $pkg not found"
880 add_cflags $(get_safe ${pkg}_cflags)
881 add_extralibs $(get_safe ${pkg}_libs)
882}
883
f0125de9
MR
884check_host_cc(){
885 log check_host_cc "$@"
886 cat > $TMPC
887 log_file $TMPC
888 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
889}
890
891check_host_cflags(){
892 log check_host_cflags "$@"
6c3fa06a 893 set -- $($host_cflags_filter "$@")
f0125de9
MR
894 check_host_cc "$@" <<EOF && append host_cflags "$@"
895int x;
896EOF
897}
898
c505dd31
MR
899apply(){
900 file=$1
901 shift
902 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
903}
904
c34681df 905cp_if_changed(){
5e27ec28
MR
906 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
907 mkdir -p "$(dirname $2)"
908 cp -f "$1" "$2"
c34681df
MR
909}
910
dcd61286
DB
911# CONFIG_LIST contains configurable options, while HAVE_LIST is for
912# system-dependent things.
913
4a0d6686
AJ
914COMPONENT_LIST="
915 bsfs
916 decoders
917 demuxers
918 encoders
3cde40aa 919 filters
5666fd73 920 hwaccels
c552605c 921 indevs
4a0d6686 922 muxers
c552605c 923 outdevs
4a0d6686
AJ
924 parsers
925 protocols
926"
927
055c61b8
DB
928PROGRAM_LIST="
929 avconv
930 avplay
931 avprobe
932 avserver
055c61b8
DB
933"
934
4a0d6686
AJ
935CONFIG_LIST="
936 $COMPONENT_LIST
055c61b8 937 $PROGRAM_LIST
a5444fee 938 ac3dsp
5a0f7131
MR
939 avcodec
940 avdevice
f7679c54 941 avfilter
5a0f7131 942 avformat
c8af852b 943 avresample
c88f5d72 944 avisynth
f402916e 945 bzlib
7f3f5f46 946 dct
c73f65d9 947 doc
05aec7bb 948 dwt
92c6a099 949 dxva2
27a9466b 950 fastdiv
1848f7d9 951 fft
47941088 952 frei0r
acd554c1 953 gcrypt
bc8c1395 954 gnutls
c88f5d72 955 gpl
d8d0d0b2 956 gray
3abe5fbd 957 hardcoded_tables
e417d80d 958 libcdio
f7b8bffe 959 libdc1394
2eed5a46 960 libfaac
37eeb5e2 961 libfdk_aac
a5b64584 962 libfreetype
c88f5d72 963 libgsm
3641b048 964 libilbc
6ebe07fb 965 libmp3lame
0b175caa
DB
966 libopencore_amrnb
967 libopencore_amrwb
6ebf0bfc 968 libopencv
9a77d59a 969 libopenjpeg
0de9c41f 970 libpulse
0f943ce6 971 librtmp
f7cd9eed 972 libschroedinger
ae14f311 973 libspeex
150d2772 974 libtheora
d89e738a 975 libvo_aacenc
f502ff3f 976 libvo_amrwbenc
c88f5d72 977 libvorbis
8299a7f8 978 libvpx
1cc60c47 979 libx264
de295976 980 libxavs
1cc60c47 981 libxvid
b781cc12 982 lsp
47a158cb 983 mdct
c88f5d72 984 memalign_hack
c4f5c2d6 985 mpegaudiodsp
acd554c1 986 nettle
c88f5d72 987 network
3fe142e2 988 nonfree
a060866f 989 openssl
8a3c8627 990 pic
68602540 991 rdft
44b70ce5 992 rtpdec
e90f5b5a 993 runtime_cpudetect
8cfbbd92 994 safe_bitstream_reader
2e35e684 995 shared
4538729a 996 sinewin
bd2216e4 997 small
6b35d421 998 sram
2e35e684 999 static
5a0f7131 1000 swscale
a9ddb5b1 1001 swscale_alpha
8986fddc 1002 thumb
17492d5e 1003 vaapi
ac3dbb4d 1004 vda
17492d5e 1005 vdpau
9cad0e4e 1006 version3
7e4d9d5d 1007 xmm_clobber_test
56a059ac 1008 x11grab
c88f5d72 1009 zlib
4a0d6686 1010"
c88f5d72 1011
8eee7025 1012THREADS_LIST='
8eee7025
DB
1013 pthreads
1014 w32threads
1015'
1016
3f5b56e5
MR
1017ARCH_LIST='
1018 alpha
a2fc0f6a 1019 arm
fdcd782d
MR
1020 avr32
1021 avr32_ap
1022 avr32_uc
3f5b56e5
MR
1023 bfin
1024 ia64
1025 m68k
1026 mips
bae3abb0 1027 mips64
3f5b56e5 1028 parisc
79cb09b2 1029 ppc
34d11b87 1030 ppc64
3f5b56e5
MR
1031 s390
1032 sh4
1033 sparc
1034 sparc64
0844bae1 1035 tomi
3f5b56e5
MR
1036 x86
1037 x86_32
1038 x86_64
1039'
1040
1041ARCH_EXT_LIST='
1ac9331a 1042 altivec
3bf96eec 1043 amd3dnow
a1ef9f08 1044 amd3dnowext
1ac9331a 1045 armv5te
edab3048 1046 armv6
ab5cb084 1047 armv6t2
f55b299a 1048 armvfp
87f1355f 1049 avx
3f5b56e5
MR
1050 mmi
1051 mmx
d7f0920b 1052 mmx2
6b18d278 1053 neon
799fde37 1054 ppc4xx
1bb04d5a 1055 sse
9eeed841 1056 ssse3
93eb8e4d 1057 vfpv3
bd9d34a0 1058 vis
3f5b56e5
MR
1059'
1060
a3e02a8c
MR
1061HAVE_LIST_PUB='
1062 bigendian
d268eee9 1063 fast_unaligned
a3e02a8c
MR
1064'
1065
3f5b56e5
MR
1066HAVE_LIST="
1067 $ARCH_EXT_LIST
a3e02a8c 1068 $HAVE_LIST_PUB
3f5b56e5 1069 $THREADS_LIST
be1a839c 1070 aligned_malloc
59782b82 1071 aligned_stack
35fd8122 1072 alsa_asoundlib_h
3f5b56e5 1073 altivec_h
c9fdab0d 1074 arpa_inet_h
6308729e 1075 asm_mod_y
dffb41b9 1076 attribute_may_alias
e7ea5e3d 1077 attribute_packed
15333562 1078 cbrtf
ecf97f22 1079 closesocket
1ac9331a 1080 cmov
c0ee695b 1081 cpuid
c88f5d72 1082 dcbzl
f8aa696f
DB
1083 dev_bktr_ioctl_bt848_h
1084 dev_bktr_ioctl_meteor_h
1085 dev_ic_bt8xx_h
f8aa696f 1086 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1087 dev_video_meteor_ioctl_meteor_h
18b67ae5 1088 dlfcn_h
c88f5d72 1089 dlopen
bc574408 1090 dos_paths
fa845061 1091 dxva_h
245626d0
DB
1092 ebp_available
1093 ebx_available
6b7c7703
VS
1094 exp2
1095 exp2f
c2a29455 1096 fast_64bit
669b5583 1097 fast_clz
7073e9fc 1098 fast_cmov
534a2231 1099 fcntl
9d99cc5a 1100 fork
84882df6 1101 getaddrinfo
da9e86f8 1102 gethrtime
667fb97a 1103 getopt
02e8f427 1104 GetProcessAffinityMask
fc5607f8 1105 GetProcessMemoryInfo
4e68cb8a 1106 GetProcessTimes
61183b5a 1107 GetSystemTimeAsFileTime
66be5b45 1108 getrusage
61183b5a 1109 gettimeofday
a49d3025 1110 gnu_as
2f0c136e 1111 ibm_asm
2e1913b1 1112 inet_aton
61d251db 1113 inline_asm
3b1ab197 1114 io_h
abfc8d05 1115 isatty
46df708b
MS
1116 isinf
1117 isnan
8772997d 1118 jack_port_get_latency_range
9f5ff83f 1119 ldbrx
0b4a1821
AS
1120 libdc1394_1
1121 libdc1394_2
a33cab3a 1122 llrint
07876e25 1123 llrintf
d96cd429
MR
1124 local_aligned_16
1125 local_aligned_8
a5b64584 1126 localtime_r
291fd18a 1127 log2
6b7c7703 1128 log2f
85dd97ad 1129 loongson
a33cab3a 1130 lrint
c88f5d72 1131 lrintf
f8aa696f
DB
1132 machine_ioctl_bt848_h
1133 machine_ioctl_meteor_h
c88f5d72 1134 malloc_h
73f6d31e 1135 MapViewOfFile
c88f5d72 1136 memalign
6ffa87d3 1137 mkstemp
f80ddd5b 1138 mm_empty
0328b9ea 1139 mmap
d3d3a32c 1140 nanosleep
5699884c 1141 netinet_sctp_h
3e0b1c9a 1142 poll_h
1f91cdce 1143 posix_memalign
07b28702 1144 rdtsc
183b1c22 1145 rint
a33cab3a
MK
1146 round
1147 roundf
358d854d 1148 rweflags
ea4d5f48 1149 sched_getaffinity
c88f5d72
MR
1150 sdl
1151 sdl_video_size
b507ebd1 1152 setmode
3e0b1c9a 1153 setrlimit
d3d3a32c 1154 Sleep
15d59d2c 1155 sndio_h
72be9e73 1156 socklen_t
deb29777 1157 soundcard_h
87958234 1158 strerror_r
6379900c 1159 strptime
47941088 1160 strtok_r
c0018613 1161 struct_addrinfo
75d339e0
MS
1162 struct_group_source_req
1163 struct_ip_mreq_source
b4d68544 1164 struct_ipv6_mreq
cdee08e3 1165 struct_pollfd
3e0b1c9a 1166 struct_rusage_ru_maxrss
b4d68544 1167 struct_sockaddr_in6
3b2372bf 1168 struct_sockaddr_sa_len
33a4dbdd 1169 struct_sockaddr_storage
a6a4793d 1170 struct_v4l2_frmivalenum_discrete
b462d132 1171 symver
b462d132 1172 symver_asm_label
3e0b1c9a 1173 symver_gnu_asm
bcc73960 1174 sysconf
b9e22269 1175 sysctl
b58412f1 1176 sys_mman_h
06bb5905 1177 sys_param_h
b091aa44 1178 sys_resource_h
81644c2e 1179 sys_select_h
deb29777 1180 sys_soundcard_h
e64bceea 1181 sys_time_h
1b6e8b73 1182 sys_videoio_h
b265431e 1183 threads
23d3931a 1184 trunc
7b04b8a0 1185 truncf
542920b7 1186 unistd_h
d3d3a32c 1187 usleep
ce742de2 1188 vfp_args
7c5bfe7a 1189 VirtualAlloc
d3d3a32c 1190 windows_h
6ff3f3e7 1191 winsock2_h
cc078b5d 1192 xform_asm
3f150ffb 1193 xgetbv
6f74fb03 1194 xmm_clobbers
304d586d 1195 yasm
0cb78cef 1196"
44161118 1197
b6bb00b0
MR
1198# options emitted with CONFIG_ prefix but not available on command line
1199CONFIG_EXTRA="
478fd534 1200 aandct
dc4f5a1c 1201 avutil
478fd534 1202 golomb
9cad0e4e 1203 gplv3
478fd534
DB
1204 h264chroma
1205 h264dsp
1206 h264pred
915a2a0a 1207 h264qpel
478fd534 1208 huffman
9cad0e4e 1209 lgplv3
478fd534 1210 lpc
ab9f9876 1211 vp3dsp
b6bb00b0
MR
1212"
1213
520cc7f1 1214CMDLINE_SELECT="
3f5b56e5 1215 $ARCH_EXT_LIST
520cc7f1 1216 $CONFIG_LIST
8eee7025 1217 $THREADS_LIST
c8a4ae00 1218 asm
db6107b6 1219 cross_compile
520cc7f1
MR
1220 debug
1221 extra_warnings
8c6afa4d 1222 logging
d2bbb2f7 1223 optimizations
9baec618 1224 symver
7595a5e4 1225 yasm
520cc7f1 1226"
426be5dc
DB
1227
1228PATHS_LIST='
d156bede 1229 bindir
14a8acf1 1230 datadir
26759c44
MR
1231 incdir
1232 libdir
26759c44
MR
1233 mandir
1234 prefix
1235 shlibdir
426be5dc
DB
1236'
1237
1238CMDLINE_SET="
1239 $PATHS_LIST
121d78d0 1240 ar
426be5dc 1241 arch
313c46a6 1242 as
426be5dc
DB
1243 build_suffix
1244 cc
1245 cpu
1246 cross_prefix
50567afa 1247 dep_cc
ac63af34 1248 extra_version
9da6609f
MR
1249 host_cc
1250 host_cflags
1251 host_ldflags
1252 host_libs
82bb3329 1253 host_os
684b28e0 1254 ld
426be5dc 1255 logfile
4ae40685 1256 malloc_prefix
89641463 1257 nm
9cd7b854 1258 optflags
3f8040db 1259 pkg_config
2fad0977 1260 samples
c5200f17
MR
1261 sysinclude
1262 sysroot
a7ada2ba 1263 target_exec
26759c44 1264 target_os
a7ada2ba 1265 target_path
426be5dc 1266"
520cc7f1 1267
89f2932b
MR
1268CMDLINE_APPEND="
1269 extra_cflags
1270"
1271
912f3148
DB
1272# code dependency declarations
1273
9eeed841 1274# architecture extensions
808fa33c 1275
a2fc0f6a
MR
1276armv5te_deps="arm"
1277armv6_deps="arm"
ab5cb084 1278armv6t2_deps="arm"
a2fc0f6a 1279armvfp_deps="arm"
808fa33c 1280neon_deps="arm"
93eb8e4d 1281vfpv3_deps="armvfp"
808fa33c 1282
e241ba14 1283mmi_deps="mips"
808fa33c
MR
1284
1285altivec_deps="ppc"
1286ppc4xx_deps="ppc"
1287
1288vis_deps="sparc"
1289
7f8c3d1f 1290x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1291amd3dnow_deps="mmx"
1292amd3dnowext_deps="amd3dnow"
9eeed841 1293mmx_deps="x86"
75aa95a6 1294mmx2_deps="mmx"
75aa95a6
DB
1295sse_deps="mmx"
1296ssse3_deps="sse"
87f1355f 1297avx_deps="ssse3"
9eeed841 1298
59782b82 1299aligned_stack_if_any="ppc x86"
e939cedd 1300fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1301fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1302fast_unaligned_if_any="armv6 ppc x86"
669b5583 1303
6fec122a 1304inline_asm_deps="!tms470"
3e0b1c9a 1305need_memalign="altivec neon sse"
89e053f8 1306
b462d132
MR
1307symver_if_any="symver_asm_label symver_gnu_asm"
1308
26fbcc85 1309# subsystems
dc609252 1310dct_select="rdft"
26fbcc85
MR
1311mdct_select="fft"
1312rdft_select="fft"
c4f5c2d6 1313mpegaudiodsp_select="dct"
26fbcc85 1314
5666fd73 1315# decoders / encoders / hardware accelerators
cfc2a0cf 1316aac_decoder_select="mdct sinewin"
4538729a 1317aac_encoder_select="mdct sinewin"
136e19e1 1318aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1319ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1320ac3_encoder_select="mdct ac3dsp"
3d269059 1321ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1322alac_encoder_select="lpc"
b781cc12 1323amrnb_decoder_select="lsp"
2b2a597e 1324amrwb_decoder_select="lsp"
4538729a 1325atrac1_decoder_select="mdct sinewin"
26fbcc85 1326atrac3_decoder_select="mdct"
a33657ce
DB
1327binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1328binkaudio_rdft_decoder_select="mdct rdft sinewin"
4f034993 1329cavs_decoder_select="golomb"
4538729a 1330cook_decoder_select="mdct sinewin"
2eef7c62 1331cscd_decoder_suggest="zlib"
26fbcc85 1332dca_decoder_select="mdct"
e8ed9b7a 1333dnxhd_encoder_select="aandct"
2eef7c62 1334dxa_decoder_select="zlib"
baf91bb9 1335eac3_decoder_select="ac3_decoder"
aa47c35d 1336eac3_encoder_select="mdct ac3dsp"
84c04e25 1337eamad_decoder_select="aandct"
e8ed9b7a 1338eatgq_decoder_select="aandct"
d52b39c7 1339eatqi_decoder_select="aandct"
4f034993
MR
1340ffv1_decoder_select="golomb"
1341flac_decoder_select="golomb"
f4d608e3 1342flac_encoder_select="golomb lpc"
2eef7c62
AJ
1343flashsv_decoder_select="zlib"
1344flashsv_encoder_select="zlib"
c2d23309 1345flashsv2_decoder_select="zlib"
4414137e 1346flv_decoder_select="h263_decoder"
4d4b4bd1 1347flv_encoder_select="h263_encoder"
3447f12d 1348fraps_decoder_select="huffman"
e8ed9b7a 1349h261_encoder_select="aandct"
7f647ae0 1350h263_decoder_select="h263_parser"
e8ed9b7a 1351h263_encoder_select="aandct"
95a61cfc 1352h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1353h263i_decoder_select="h263_decoder"
fe629c2d 1354h263p_encoder_select="h263_encoder"
915a2a0a 1355h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
92c6a099
LA
1356h264_dxva2_hwaccel_deps="dxva2api_h"
1357h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1358h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1359h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1360h264_vdpau_decoder_select="vdpau h264_decoder"
19be0f3c 1361iac_decoder_select="fft mdct sinewin"
56c8227d 1362imc_decoder_select="fft mdct sinewin"
4f034993
MR
1363jpegls_decoder_select="golomb"
1364jpegls_encoder_select="golomb"
e8ed9b7a 1365ljpeg_encoder_select="aandct"
4f034993 1366loco_decoder_select="golomb"
e8ed9b7a 1367mjpeg_encoder_select="aandct"
2cca233b 1368mlp_decoder_select="mlp_parser"
c4f5c2d6 1369mp1_decoder_select="mpegaudiodsp"
c4f5c2d6 1370mp1float_decoder_select="mpegaudiodsp"
3e0b1c9a 1371mp2_decoder_select="mpegaudiodsp"
c4f5c2d6 1372mp2float_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1373mp3_decoder_select="mpegaudiodsp"
1374mp3adu_decoder_select="mpegaudiodsp"
c4f5c2d6
MR
1375mp3adufloat_decoder_select="mpegaudiodsp"
1376mp3float_decoder_select="mpegaudiodsp"
3e0b1c9a 1377mp3on4_decoder_select="mpegaudiodsp"
c4f5c2d6 1378mp3on4float_decoder_select="mpegaudiodsp"
606c9297
DB
1379mpc7_decoder_select="mpegaudiodsp"
1380mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1381mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1382mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1383mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1384mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
3e0b1c9a 1385mpeg1video_encoder_select="aandct"
164aab02
LA
1386mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1387mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1388mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
3e0b1c9a
DB
1389mpeg2video_encoder_select="aandct"
1390mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1391mpeg4_encoder_select="h263_encoder"
95a61cfc 1392mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1393mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1394msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1395msmpeg4v1_encoder_select="h263_encoder"
4414137e 1396msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1397msmpeg4v2_encoder_select="h263_encoder"
4414137e 1398msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1399msmpeg4v3_encoder_select="h263_encoder"
4538729a
MR
1400nellymoser_decoder_select="mdct sinewin"
1401nellymoser_encoder_select="mdct sinewin"
2eef7c62
AJ
1402png_decoder_select="zlib"
1403png_encoder_select="zlib"
b781cc12 1404qcelp_decoder_select="lsp"
c4f5c2d6 1405qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1406ra_144_encoder_select="lpc"
9f43fdda 1407ralf_decoder_select="golomb"
a8beb22f 1408rv10_decoder_select="h263_decoder"
b2bf38b4 1409rv10_encoder_select="h263_encoder"
a8beb22f 1410rv20_decoder_select="h263_decoder"
b2bf38b4 1411rv20_encoder_select="h263_encoder"
915a2a0a
DB
1412rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1413rv40_decoder_select="golomb h264chroma h264pred h264qpel"
4f034993 1414shorten_decoder_select="golomb"
b781cc12 1415sipr_decoder_select="lsp"
05aec7bb
MR
1416snow_decoder_select="dwt"
1417snow_encoder_select="aandct dwt"
19ecfb8a 1418svq1_encoder_select="aandct"
915a2a0a 1419svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
bee2eac5 1420svq3_decoder_suggest="zlib"
4eef77c1 1421theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1422tiff_decoder_suggest="zlib"
1423tiff_encoder_suggest="zlib"
aec09a00 1424truehd_decoder_select="mlp_decoder"
2eef7c62 1425tscc_decoder_select="zlib"
4538729a 1426twinvq_decoder_select="mdct lsp sinewin"
915a2a0a 1427vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1428vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1429vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1430vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1431vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1432vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1433vorbis_decoder_select="mdct"
1434vorbis_encoder_select="mdct"
ab9f9876
MR
1435vp3_decoder_select="vp3dsp"
1436vp5_decoder_select="vp3dsp"
1437vp6_decoder_select="huffman vp3dsp"
e82dc4c9
DB
1438vp6a_decoder_select="vp6_decoder"
1439vp6f_decoder_select="vp6_decoder"
915a2a0a 1440vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1441wmapro_decoder_select="mdct sinewin"
1442wmav1_decoder_select="mdct sinewin"
1443wmav1_encoder_select="mdct sinewin"
1444wmav2_decoder_select="mdct sinewin"
1445wmav2_encoder_select="mdct sinewin"
1446wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1447wmv1_decoder_select="h263_decoder"
665507aa 1448wmv1_encoder_select="h263_encoder"
f95bfab0 1449wmv2_decoder_select="h263_decoder"
1746e2a9 1450wmv2_encoder_select="h263_encoder"
015f8ee0 1451wmv3_decoder_select="vc1_decoder"
f0f86627 1452wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1453wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1454wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1455wmv3image_decoder_select="wmv3_decoder"
0e714f88 1456zerocodec_decoder_select="zlib"
2eef7c62
AJ
1457zlib_decoder_select="zlib"
1458zlib_encoder_select="zlib"
1459zmbv_decoder_select="zlib"
1460zmbv_encoder_select="zlib"
30fd06be 1461
0afab17e 1462vaapi_deps="va_va_h"
ac3dbb4d 1463vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1464vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1465
28b80940 1466# parsers
6a7c5312 1467h264_parser_select="golomb h264dsp h264pred"
28b80940 1468
912f3148 1469# external libraries
c9171a83 1470libfaac_encoder_deps="libfaac"
37eeb5e2 1471libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1472libgsm_decoder_deps="libgsm"
1473libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1474libgsm_ms_decoder_deps="libgsm"
1475libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1476libilbc_decoder_deps="libilbc"
1477libilbc_encoder_deps="libilbc"
1cc60c47 1478libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1479libopencore_amrnb_decoder_deps="libopencore_amrnb"
1480libopencore_amrnb_encoder_deps="libopencore_amrnb"
1481libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1482libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1483libopenjpeg_encoder_deps="libopenjpeg"
f7cd9eed
AS
1484libschroedinger_decoder_deps="libschroedinger"
1485libschroedinger_encoder_deps="libschroedinger"
ae14f311 1486libspeex_decoder_deps="libspeex"
b606a017 1487libspeex_encoder_deps="libspeex"
150d2772 1488libtheora_encoder_deps="libtheora"
d89e738a 1489libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1490libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1491libvorbis_encoder_deps="libvorbis"
8299a7f8 1492libvpx_decoder_deps="libvpx"
ee0e9146 1493libvpx_encoder_deps="libvpx"
1cc60c47 1494libx264_encoder_deps="libx264"
de295976 1495libxavs_encoder_deps="libxavs"
1cc60c47 1496libxvid_encoder_deps="libxvid"
30fd06be 1497
912f3148 1498# demuxers / muxers
c2dd0e9e 1499ac3_demuxer_select="ac3_parser"
647c2356 1500asf_stream_muxer_select="asf_muxer"
4e622dea 1501avisynth_demuxer_deps="avisynth"
c2dd0e9e 1502dirac_demuxer_select="dirac_parser"
5b423887 1503eac3_demuxer_select="ac3_parser"
c2dd0e9e 1504flac_demuxer_select="flac_parser"
647c2356 1505ipod_muxer_select="mov_muxer"
647c2356 1506matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1507matroska_demuxer_suggest="zlib bzlib"
1508mov_demuxer_suggest="zlib"
c2dd0e9e 1509mp3_demuxer_select="mpegaudio_parser"
647c2356 1510mp4_muxer_select="mov_muxer"
2439bd86 1511mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1512mpegtsraw_demuxer_select="mpegts_demuxer"
1513mxf_d10_muxer_select="mxf_muxer"
24ca518b 1514ogg_demuxer_select="golomb"
647c2356 1515psp_muxer_select="mov_muxer"
44594cc7 1516rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1517rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1518rtsp_demuxer_select="http_protocol rtpdec"
1519rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1520sap_demuxer_select="sdp_demuxer"
2aab70c4 1521sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1522sdp_demuxer_select="rtpdec"
f1e94694 1523spdif_muxer_select="aac_parser"
647c2356
DB
1524tg2_muxer_select="mov_muxer"
1525tgp_muxer_select="mov_muxer"
6bdaa5f4 1526w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1527
1528# indevs / outdevs
38e54a75 1529alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1530alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1531bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1532dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1533fbdev_indev_deps="linux_fb_h"
38e54a75 1534jack_indev_deps="jack_jack_h"
e417d80d 1535libcdio_indev_deps="libcdio"
38e54a75 1536libdc1394_indev_deps="libdc1394"
38e54a75
SS
1537oss_indev_deps_any="soundcard_h sys_soundcard_h"
1538oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1539pulse_indev_deps="libpulse"
15d59d2c
B
1540sndio_indev_deps="sndio_h"
1541sndio_outdev_deps="sndio_h"
38e54a75 1542v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1543vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1544vfwcap_indev_extralibs="-lavicap32"
38e54a75 1545x11_grab_device_indev_deps="x11grab XShmCreateImage"
30fd06be 1546
912f3148 1547# protocols
acd554c1
SP
1548ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1549ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1550ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1551ffrtmphttp_protocol_deps="!librtmp_protocol"
1552ffrtmphttp_protocol_select="http_protocol"
3fff6382 1553gopher_protocol_deps="network"
c40e1757
JS
1554httpproxy_protocol_deps="network"
1555httpproxy_protocol_select="tcp_protocol"
c08fb000 1556http_protocol_deps="network"
279a0c97 1557http_protocol_select="tcp_protocol"
183baead 1558https_protocol_select="tls_protocol"
c3b57d6e
DB
1559librtmp_protocol_deps="librtmp"
1560librtmpe_protocol_deps="librtmp"
1561librtmps_protocol_deps="librtmp"
1562librtmpt_protocol_deps="librtmp"
1563librtmpte_protocol_deps="librtmp"
c60a2d70 1564mmsh_protocol_select="http_protocol"
b4cf3f6c 1565mmst_protocol_deps="network"
c3b57d6e 1566rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1567rtmp_protocol_select="tcp_protocol"
acd554c1 1568rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1569rtmps_protocol_deps="!librtmp_protocol"
1570rtmps_protocol_select="tls_protocol"
775c4d36 1571rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1572rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1573rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1574rtp_protocol_select="udp_protocol"
5699884c 1575sctp_protocol_deps="network netinet_sctp_h"
c08fb000 1576tcp_protocol_deps="network"
558d192d
MS
1577tls_protocol_deps_any="openssl gnutls"
1578tls_protocol_select="tcp_protocol"
c08fb000
AB
1579udp_protocol_deps="network"
1580
6ebf0bfc 1581# filters
13fabd7a 1582blackframe_filter_deps="gpl"
ce6b6ef6 1583boxblur_filter_deps="gpl"
68b79bfc 1584cropdetect_filter_deps="gpl"
b157be1f 1585delogo_filter_deps="gpl"
a5b64584 1586drawtext_filter_deps="libfreetype"
2e5ff4d0 1587frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1588frei0r_filter_extralibs='$ldl'
a42bb9d6 1589frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1590frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1591hqdn3d_filter_deps="gpl"
d371e7b9 1592resample_filter_deps="avresample"
cf69ad35 1593ocv_filter_deps="libopencv"
2f296e39 1594scale_filter_deps="swscale"
acbac567 1595yadif_filter_deps="gpl"
6ebf0bfc 1596
5a0f7131
MR
1597# libraries
1598avdevice_deps="avcodec avformat"
1599avformat_deps="avcodec"
f7679c54 1600
912f3148 1601# programs
ce03b088
AK
1602avconv_deps="avcodec avfilter avformat avresample swscale
1603 aformat_filter asyncts_filter
1604 format_filter fps_filter scale_filter setpts_filter"
266463da
AK
1605avplay_deps="avcodec avformat swscale sdl"
1606avplay_select="rdft"
9e12f0bf 1607avprobe_deps="avcodec avformat"
b263bf66 1608avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1609avserver_extralibs='$ldl'
a2830dca 1610
c73f65d9 1611doc_deps="texi2html"
912f3148 1612
57442411
MR
1613# tests
1614
388ff813
DB
1615mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1616seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1617
57442411
MR
1618test_deps(){
1619 suf1=$1
1620 suf2=$2
1621 shift 2
1622 for v; do
1623 dep=${v%=*}
1624 tests=${v#*=}
1625 for name in ${tests}; do
908f12f3 1626 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
57442411
MR
1627 done
1628 done
1629}
1630
57442411
MR
1631test_deps _muxer _demuxer \
1632 aiff \
1633 pcm_alaw=alaw \
1634 asf \
1635 au \
1636 avi \
1637 dv=dv_fmt \
1638 ffm \
1639 flv=flv_fmt \
1640 gxf \
1641 matroska=mkv \
1642 mmf \
1643 mov \
1644 pcm_mulaw=mulaw \
0218808d 1645 mxf="mxf mxf_d10" \
57442411
MR
1646 nut \
1647 ogg \
1648 rawvideo=pixfmt \
1649 rm \
1650 swf \
1651 mpegts=ts \
1652 voc \
1653 wav \
1654 yuv4mpegpipe=yuv4mpeg \
1655
de6d9b64 1656# default parameters
8a608357 1657
19bd477d 1658logfile="config.log"
8a608357
MR
1659
1660# installation paths
c9d19248
MR
1661prefix_default="/usr/local"
1662bindir_default='${prefix}/bin'
6291d7e4 1663datadir_default='${prefix}/share/avconv'
c9d19248
MR
1664incdir_default='${prefix}/include'
1665libdir_default='${prefix}/lib'
1666mandir_default='${prefix}/share/man'
1667shlibdir_default="$libdir_default"
8a608357
MR
1668
1669# toolchain
121d78d0 1670ar_default="ar"
13c7df3d 1671cc_default="gcc"
9da6609f 1672host_cc_default="gcc"
11e6d03a 1673ln_s="ln -sf"
89641463 1674nm_default="nm"
11e6d03a 1675objformat="elf"
3f8040db 1676pkg_config_default=pkg-config
be7109c1 1677ranlib="ranlib"
11e6d03a 1678yasmexe="yasm"
8a608357 1679
8182dc34 1680nm_opts='-g'
3e0b1c9a 1681nogas=":"
8182dc34 1682
8a608357 1683# machine
8d4c00ed 1684arch_default=$(uname -m)
38d0a8aa 1685cpu="generic"
8a608357 1686
8a608357 1687# OS
8d4c00ed
MR
1688target_os_default=$(tolower $(uname -s))
1689host_os=$target_os_default
8a608357 1690
8a608357 1691# configurable options
055c61b8
DB
1692enable $PROGRAM_LIST
1693
5a0f7131
MR
1694enable avcodec
1695enable avdevice
cccc039f 1696enable avfilter
5a0f7131 1697enable avformat
c8af852b 1698enable avresample
dc4f5a1c 1699enable avutil
3e0b1c9a
DB
1700enable swscale
1701
3e0b1c9a
DB
1702enable asm
1703enable debug
1704enable doc
1705enable fastdiv
497237c7 1706enable network
8400d6b8 1707enable optimizations
8cfbbd92 1708enable safe_bitstream_reader
530dc538 1709enable static
a9ddb5b1 1710enable swscale_alpha
8a608357 1711
8a608357 1712# build settings
9987769a 1713SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1714AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1715LIBPREF="lib"
1716LIBSUF=".a"
c5f14466
RP
1717FULLNAME='$(NAME)$(BUILDSUF)'
1718LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1719SLIBPREF="lib"
1720SLIBSUF=".so"
c5f14466 1721SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1722SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1723SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1724LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1725SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1726SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1727
68485d1f
MR
1728asflags_filter=echo
1729cflags_filter=echo
64933b6c
MR
1730ldflags_filter=echo
1731
bc877faf 1732AS_O='-o $@'
7e6c86e6
MR
1733CC_O='-o $@'
1734
1d01fee9 1735host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1736host_libs='-lm'
6c3fa06a
MR
1737host_cflags_filter=echo
1738host_ldflags_filter=echo
9da6609f 1739
9b861379 1740target_path='$(CURDIR)'
a7ada2ba 1741
a158446b
MR
1742# since the object filename is not given with the -MM flag, the compiler
1743# is only able to print the basename, and we must add the path ourselves
c1c3933a 1744DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1745DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1746
c597172e 1747# find source path
24524f36 1748if test -f configure; then
f038cf3c 1749 source_path=.
c597172e 1750else
8477f2de 1751 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1752 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1753 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1754 test -e "$source_path/config.h" &&
1755 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1756fi
1757
13cbe2c0 1758for v in "$@"; do
b04251c5
MR
1759 r=${v#*=}
1760 l=${v%"$r"}
1761 r=$(sh_quote "$r")
29ba0911 1762 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1763done
c597172e 1764
73ef8980
MR
1765find_things(){
1766 thing=$1
1767 pattern=$2
1768 file=$source_path/$3
932ccf39 1769 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1770}
1771
1772ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1773DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1774HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1775PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1776BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1777MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1778DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1779OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1780INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1781PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1782FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1783
54e75be4
DB
1784ALL_COMPONENTS="
1785 $BSF_LIST
1786 $DECODER_LIST
1787 $DEMUXER_LIST
1788 $ENCODER_LIST
1789 $FILTER_LIST
1790 $HWACCEL_LIST
1791 $INDEV_LIST
1792 $MUXER_LIST
1793 $OUTDEV_LIST
1794 $PARSER_LIST
1795 $PROTOCOL_LIST
1796"
1797
57442411 1798find_tests(){
b9d5f1b7 1799 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
57442411
MR
1800}
1801
57442411 1802LAVF_TESTS=$(find_tests lavf)
48c28162 1803LAVFI_TESTS=$(find_tests lavfi)
b9d5f1b7 1804SEEK_TESTS=$(find_tests seek seek_)
57442411 1805
7263cd55 1806ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
40fe5019 1807
8469ae22
MR
1808for n in $COMPONENT_LIST; do
1809 v=$(toupper ${n%s})_LIST
1810 eval enable \$$v
1811 eval ${n}_if_any="\$$v"
1812done
1813
54e75be4 1814enable $ARCH_EXT_LIST $ALL_TESTS
c597172e
MR
1815
1816die_unknown(){
1817 echo "Unknown option \"$1\"."
1818 echo "See $0 --help for available options."
1819 exit 1
1820}
1821
794f8e97 1822show_list() {
bf0c4afa
RP
1823 suffix=_$1
1824 shift
2b444ea7 1825 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1826 exit 0
1827}
1828
c597172e 1829for opt do
7483e694
DB
1830 optval="${opt#*=}"
1831 case "$opt" in
0f010b2f 1832 --extra-ldflags=*) add_ldflags $optval
7483e694 1833 ;;
0f010b2f 1834 --extra-libs=*) add_extralibs $optval
7483e694 1835 ;;
8fb1cb58 1836 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1837 ;;
40bcf4c7
BL
1838 --enable-debug=*) debuglevel="$optval"
1839 ;;
36e2dea0 1840 --disable-everything)
1b15dc3c 1841 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1842 ;;
7483e694 1843 --enable-*=*|--disable-*=*)
8b93ddc3 1844 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1845 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1846 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1847 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1848 $action $(filter "$name" $list)
7483e694
DB
1849 ;;
1850 --enable-?*|--disable-?*)
5e622c40 1851 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1852 if is_in $option $COMPONENT_LIST; then
fed5d54b 1853 test $action = disable && action=unset
e3773a55
MR
1854 eval $action \$$(toupper ${option%s})_LIST
1855 elif is_in $option $CMDLINE_SELECT; then
1856 $action $option
1857 else
1858 die_unknown $opt
1859 fi
7483e694
DB
1860 ;;
1861 --list-*)
1862 NAME="${opt#--list-}"
1863 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1864 NAME=${NAME%s}
1865 eval show_list $NAME \$$(toupper $NAME)_LIST
1866 ;;
1867 --help|-h) show_help
1868 ;;
1869 *)
884a36a7 1870 optname="${opt%%=*}"
26759c44
MR
1871 optname="${optname#--}"
1872 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1873 if is_in $optname $CMDLINE_SET; then
1874 eval $optname='$optval'
1875 elif is_in $optname $CMDLINE_APPEND; then
1876 append $optname "$optval"
1877 else
1878 die_unknown $opt
1879 fi
7483e694
DB
1880 ;;
1881 esac
c597172e
MR
1882done
1883
bcea99bb
MR
1884disabled logging && logfile=/dev/null
1885
29ba0911 1886echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
1887set >> $logfile
1888
9da6609f
MR
1889test -n "$cross_prefix" && enable cross_compile
1890
8d4c00ed
MR
1891if enabled cross_compile; then
1892 test -n "$arch" && test -n "$target_os" ||
1893 die "Must specify target arch and OS when cross-compiling"
1894fi
1895
1896set_default arch target_os
1897
121d78d0 1898ar_default="${cross_prefix}${ar_default}"
11e6d03a 1899cc_default="${cross_prefix}${cc_default}"
20e0ed95 1900nm_default="${cross_prefix}${nm_default}"
3f8040db 1901pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 1902ranlib="${cross_prefix}${ranlib}"
adb2b908 1903
c5200f17
MR
1904sysinclude_default="${sysroot}/usr/include"
1905
e0be794a 1906set_default cc nm pkg_config sysinclude
9da6609f
MR
1907enabled cross_compile || host_cc_default=$cc
1908set_default host_cc
13c7df3d 1909
762f95e4
MR
1910if ! $pkg_config --version >/dev/null 2>&1; then
1911 warn "$pkg_config not found, library detection may fail."
1912 pkg_config=false
1913fi
1914
82bb3329
MR
1915exesuf() {
1916 case $1 in
1c69c79f 1917 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
1918 esac
1919}
1920
1921EXESUF=$(exesuf $target_os)
1922HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1923
e4e69e0b 1924# set temporary file name
a49d42c2 1925: ${TMPDIR:=$TEMPDIR}
c51fafa1 1926: ${TMPDIR:=$TMP}
a49d42c2 1927: ${TMPDIR:=/tmp}
e4e69e0b 1928
a210bce2 1929if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
1930 # simple replacement for missing mktemp
1931 # NOT SAFE FOR GENERAL USE
1932 mktemp(){
09a5c245 1933 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
1934 }
1935fi
1936
1937tmpfile(){
1938 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1939 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1940 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1941 append TMPFILES $tmp
1942 eval $1=$tmp
1943}
1944
1945trap 'rm -f -- $TMPFILES' EXIT
54460a83 1946
55127e7b 1947tmpfile TMPASM .asm
3e0b1c9a
DB
1948tmpfile TMPC .c
1949tmpfile TMPE $EXESUF
1950tmpfile TMPH .h
1951tmpfile TMPO .o
1952tmpfile TMPS .S
1953tmpfile TMPSH .sh
1954tmpfile TMPV .ver
54460a83
MR
1955
1956unset -f mktemp
e4e69e0b 1957
fb3c4ffc
MR
1958chmod +x $TMPE
1959
993f2d0f
MR
1960# make sure we can execute files in $TMPDIR
1961cat > $TMPSH 2>> $logfile <<EOF
1962#! /bin/sh
1963EOF
1964chmod +x $TMPSH >> $logfile 2>&1
1965if ! $TMPSH >> $logfile 2>&1; then
1966 cat <<EOF
1967Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1968variable to another directory and make sure that it is not mounted noexec.
1969EOF
1970 die "Sanity test failed."
1971fi
993f2d0f 1972
d0c6d424
MR
1973pgi_flags(){
1974 for flag; do
1975 case $flag in
1976 -fomit-frame-pointer) echo -Mnoframe ;;
1977 -g) echo -gopt ;;
1978 *) echo $flag ;;
1979 esac
1980 done
1981}
1982
1983suncc_flags(){
1984 for flag; do
1985 case $flag in
1986 -march=*|-mcpu=*)
1987 case "${flag#*=}" in
1988 native) echo -xtarget=native ;;
1989 v9|niagara) echo -xarch=sparc ;;
1990 ultrasparc) echo -xarch=sparcvis ;;
1991 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1992 i586|pentium) echo -xchip=pentium ;;
1993 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1994 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1995 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1996 pentium4*) echo -xtarget=pentium4 ;;
1997 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1998 *-sse3) echo -xarch=sse3 ;;
1999 core2) echo -xarch=ssse3 -xchip=core2 ;;
2000 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2001 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2002 k8|opteron|athlon64|athlon-fx)
2003 echo -xarch=sse2a ;;
2004 athlon*) echo -xarch=pentium_proa ;;
2005 esac
2006 ;;
2007 -std=c99) echo -xc99 ;;
2008 -fomit-frame-pointer) echo -xregs=frameptr ;;
2009 -fPIC) echo -KPIC -xcode=pic32 ;;
2010 -W*,*) echo $flag ;;
2011 -f*-*|-W*) ;;
2012 *) echo $flag ;;
2013 esac
2014 done
2015}
2016
2017tms470_flags(){
2018 for flag; do
2019 case $flag in
2020 -march=*|-mcpu=*)
2021 case "${flag#*=}" in
2022 armv7-a|cortex-a*) echo -mv=7a8 ;;
2023 armv7-r|cortex-r*) echo -mv=7r4 ;;
2024 armv7-m|cortex-m*) echo -mv=7m3 ;;
2025 armv6*|arm11*) echo -mv=6 ;;
2026 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2027 echo -mv=5e ;;
2028 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2029 esac
2030 ;;
2031 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2032 -mfpu=vfp) echo --float_support=vfpv2 ;;
2033 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2034 -msoft-float) echo --float_support=vfplib ;;
2035 -O[0-3]|-mf=*) echo $flag ;;
2036 -g) echo -g -mn ;;
2037 -pds=*) echo $flag ;;
ad93dccb
MR
2038 -D*|-I*) echo $flag ;;
2039 --gcc|--abi=*) echo $flag ;;
2040 -me) echo $flag ;;
d0c6d424
MR
2041 esac
2042 done
2043}
2044
613a4e3f
MR
2045if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2046 cc_type=llvm_gcc
613a4e3f
MR
2047 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2048 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2049 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2050 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
01d31e16
MR
2051 cflags_speed='-O3'
2052 cflags_size='-Os'
613a4e3f 2053elif $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 2054 cc_type=gcc
5d57846b
MR
2055 gcc_version=$($cc --version | head -n1)
2056 gcc_basever=$($cc -dumpversion)
3ad464bf 2057 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
5d57846b
MR
2058 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2059 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
aef6bd1b
MR
2060 if ! $cc -dumpversion | grep -q '^2\.'; then
2061 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2062 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2063 fi
01d31e16
MR
2064 cflags_speed='-O3'
2065 cflags_size='-Os'
629687f6
MR
2066elif $cc --version 2>/dev/null | grep -q Intel; then
2067 cc_type=icc
bb5cecdc 2068 cc_ident=$($cc --version | head -n1)
07dec06e
MR
2069 CC_DEPFLAGS='-MMD'
2070 AS_DEPFLAGS='-MMD'
01d31e16
MR
2071 cflags_speed='-O3'
2072 cflags_size='-Os'
2073 cflags_noopt='-O1'
629687f6
MR
2074elif $cc -v 2>&1 | grep -q xlc; then
2075 cc_type=xlc
bb5cecdc 2076 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
01d31e16
MR
2077 cflags_speed='-O5'
2078 cflags_size='-O5 -qcompact'
df442a8d
MR
2079elif $cc -V 2>/dev/null | grep -q Compaq; then
2080 cc_type=ccc
bb5cecdc 2081 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
d8059267 2082 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 2083 debuglevel=3
df442a8d 2084 add_ldflags -Wl,-z,now # calls to libots crash without this
01d31e16
MR
2085 cflags_speed='-fast'
2086 cflags_size='-O1'
6a0d5493 2087elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
2088 test -d "$sysroot" || die "No valid sysroot specified."
2089 cc_type=armcc
bb5cecdc 2090 cc_ident=$($cc --vsn | head -n1)
03e37762
MR
2091 armcc_conf="$PWD/armcc.conf"
2092 $cc --arm_linux_configure \
2093 --arm_linux_config_file="$armcc_conf" \
2094 --configure_sysroot="$sysroot" \
2095 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2096 die "Error creating armcc configuration file."
bcafde61 2097 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
03e37762 2098 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 2099 as_default="${cross_prefix}gcc"
07dec06e
MR
2100 CC_DEPFLAGS='-MMD'
2101 AS_DEPFLAGS='-MMD'
01d31e16
MR
2102 cflags_speed='-O3'
2103 cflags_size='-Os'
2104 asflags_filter="filter_out -W${armcc_opt}*"
6fec122a
MR
2105elif $cc -version 2>/dev/null | grep -q TMS470; then
2106 cc_type=tms470
bb5cecdc 2107 cc_ident=$($cc -version | head -n1 | tr -s ' ')
b2704a65
MR
2108 cc="$cc --gcc --abi=eabi -me"
2109 CC_O='-fe=$@'
6fec122a
MR
2110 as_default="${cross_prefix}gcc"
2111 ld_default="${cross_prefix}gcc"
6fec122a 2112 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
2113 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2114 AS_DEPFLAGS='-MMD'
01d31e16
MR
2115 cflags_speed='-O3 -mf=5'
2116 cflags_size='-O3 -mf=2'
2117 cflags_filter=tms470_flags
06da6943
DC
2118elif $cc -v 2>&1 | grep -q clang; then
2119 cc_type=clang
bb5cecdc 2120 cc_ident=$($cc --version | head -n1)
06da6943
DC
2121 CC_DEPFLAGS='-MMD'
2122 AS_DEPFLAGS='-MMD'
01d31e16
MR
2123 cflags_speed='-O3'
2124 cflags_size='-Os'
2a472e9c
MK
2125elif $cc -V 2>&1 | grep -q Sun; then
2126 cc_type=suncc
448f5b83 2127 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
faa374b7 2128 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 2129 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
558c2683 2130 add_ldflags -xc99
01d31e16
MR
2131 cflags_speed='-O5'
2132 cflags_size='-O5 -xspace'
2133 cflags_filter=suncc_flags
180ec37d 2134elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
349d78fe 2135 cc_type=pathscale
349d78fe
MR
2136 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2137 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2138 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
01d31e16
MR
2139 cflags_speed='-O2'
2140 cflags_size='-Os'
2141 cflags_filter='filter_out -Wdisabled-optimization'
6de163e9
MR
2142elif $cc -v 2>&1 | grep -q Open64; then
2143 cc_type=open64
6de163e9
MR
2144 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2145 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2146 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
01d31e16
MR
2147 cflags_speed='-O2'
2148 cflags_size='-Os'
2149 cflags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
e73ec921
MR
2150elif $cc -V 2>&1 | grep -q Portland; then
2151 cc_type=pgi
e73ec921
MR
2152 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2153 opt_common='-alias=ansi -Mlre -Mpre'
01d31e16
MR
2154 cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2155 cflags_size="-O2 -Munroll=c:1 $opt_common"
2156 cflags_noopt="-O1"
2157 cflags_filter=pgi_flags
629687f6
MR
2158fi
2159
851ffa80
MR
2160test -n "$cc_type" && enable $cc_type ||
2161 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2162
75bafbac 2163: ${as_default:=$cc}
50567afa 2164: ${dep_cc_default:=$cc}
684b28e0 2165: ${ld_default:=$cc}
121d78d0 2166set_default ar as dep_cc ld
75800dce 2167
07dec06e
MR
2168test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2169test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2170
7f32f40c 2171add_cflags $extra_cflags
2f2e6c7c 2172add_asflags $extra_cflags
7f32f40c 2173
154d432c
MR
2174if test -n "$sysroot"; then
2175 case "$cc_type" in
00ba041c 2176 gcc|llvm_gcc|clang)
467256f2 2177 add_cppflags --sysroot="$sysroot"
154d432c
MR
2178 add_ldflags --sysroot="$sysroot"
2179 ;;
6fec122a
MR
2180 tms470)
2181 add_cppflags -I"$sysinclude"
2182 add_ldflags --sysroot="$sysroot"
2183 ;;
154d432c
MR
2184 esac
2185fi
2186
d22c13a8
MR
2187if test "$cpu" = host; then
2188 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2189
2190 case "$cc_type" in
613a4e3f 2191 gcc|llvm_gcc)
d22c13a8
MR
2192 check_native(){
2193 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2194 sed -n "/cc1.*$1=/{
27ce1be8
MR
2195 s/.*$1=\\([^ ]*\\).*/\\1/
2196 p
2197 q
2198 }" $TMPE
d22c13a8
MR
2199 }
2200 cpu=$(check_native -march || check_native -mcpu)
2201 ;;
2202 esac
2203
2204 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2205fi
2206
e939cedd
MR
2207# Deal with common $arch aliases
2208case "$arch" in
2209 arm*)
2210 arch="arm"
2211 ;;
2212 mips|mipsel|IP*)
2213 arch="mips"
2214 ;;
47b1860e 2215 mips64*)
e939cedd
MR
2216 arch="mips"
2217 subarch="mips64"
2218 ;;
2219 parisc|hppa)
2220 arch="parisc"
2221 ;;
2222 parisc64|hppa64)
2223 arch="parisc"
2224 subarch="parisc64"
2225 ;;
2226 "Power Macintosh"|ppc|powerpc)
2227 arch="ppc"
2228 ;;
47b1860e 2229 ppc64|powerpc64)
e939cedd
MR
2230 arch="ppc"
2231 subarch="ppc64"
2232 ;;
2233 s390|s390x)
2234 arch="s390"
2235 ;;
2236 sh4|sh)
2237 arch="sh4"
2238 ;;
2239 sun4u|sparc64)
2240 arch="sparc"
2241 subarch="sparc64"
2242 ;;
d33ed7b3 2243 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2244 arch="x86"
2245 ;;
2246esac
2247
851ffa80 2248is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2249enable $arch
e939cedd 2250
df5cdc24 2251# Add processor-specific flags
5d54c126
MR
2252if test "$cpu" = generic; then
2253 : do nothing
2254elif enabled ppc; then
343aef9b 2255
56348891
MR
2256 case $(tolower $cpu) in
2257 601|ppc601|powerpc601)
9dbd5c3d 2258 cpuflags="-mcpu=601"
64ad53ff 2259 disable altivec
9dbd5c3d 2260 ;;
56348891 2261 603*|ppc603*|powerpc603*)
9dbd5c3d 2262 cpuflags="-mcpu=603"
64ad53ff 2263 disable altivec
9dbd5c3d 2264 ;;
56348891 2265 604*|ppc604*|powerpc604*)
9dbd5c3d 2266 cpuflags="-mcpu=604"
64ad53ff 2267 disable altivec
9dbd5c3d 2268 ;;
56348891 2269 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2270 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2271 disable altivec
9dbd5c3d 2272 ;;
56348891 2273 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2274 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2275 ;;
56348891 2276 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2277 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2278 ;;
313f9fbf 2279 g5|970|ppc970|powerpc970)
9dbd5c3d
MR
2280 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2281 ;;
313f9fbf
SM
2282 power[3-7]*)
2283 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2284 ;;
56348891 2285 cell)
9dbd5c3d
MR
2286 cpuflags="-mcpu=cell"
2287 enable ldbrx
2288 ;;
7b0b81a1
AL
2289 e500v2)
2290 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2291 disable altivec
2292 ;;
2293 e500)
2294 cpuflags="-mcpu=8540 -mhard-float"
2295 disable altivec
2296 ;;
9dbd5c3d 2297 esac
343aef9b
MR
2298
2299elif enabled x86; then
2300
9dbd5c3d
MR
2301 case $cpu in
2302 i[345]86|pentium)
2303 cpuflags="-march=$cpu"
2304 disable mmx
2305 ;;
2306 # targets that do NOT support conditional mov (cmov)
2307 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2308 cpuflags="-march=$cpu"
2309 disable cmov
2310 ;;
2311 # targets that do support conditional mov (cmov)
9ddf1b1a 2312 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
9dbd5c3d
MR
2313 cpuflags="-march=$cpu"
2314 enable cmov
2315 enable fast_cmov
2316 ;;
2317 # targets that do support conditional mov but on which it's slow
2318 pentium4|pentium4m|prescott|nocona)
2319 cpuflags="-march=$cpu"
2320 enable cmov
2321 disable fast_cmov
2322 ;;
2323 esac
343aef9b
MR
2324
2325elif enabled sparc; then
2326
9dbd5c3d 2327 case $cpu in
26b7199e
MK
2328 niagara)
2329 cpuflags="-mcpu=$cpu"
2330 disable vis
2331 ;;
9dbd5c3d
MR
2332 sparc64)
2333 cpuflags="-mcpu=v9"
2334 ;;
2335 esac
343aef9b
MR
2336
2337elif enabled arm; then
2338
34ba23c9
MR
2339 case $cpu in
2340 armv*)
2341 cpuflags="-march=$cpu"
c2eae137 2342 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
34ba23c9
MR
2343 ;;
2344 *)
2345 cpuflags="-mcpu=$cpu"
c2eae137
MR
2346 case $cpu in
2347 cortex-a*) subarch=armv7a ;;
2348 cortex-r*) subarch=armv7r ;;
9e19704a 2349 cortex-m*) enable thumb; subarch=armv7m ;;
c2eae137
MR
2350 arm11*) subarch=armv6 ;;
2351 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2352 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2353 esac
34ba23c9
MR
2354 ;;
2355 esac
343aef9b
MR
2356
2357elif enabled alpha; then
2358
34ba23c9 2359 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2360
2361elif enabled bfin; then
2362
34ba23c9 2363 cpuflags="-mcpu=$cpu"
343aef9b
MR
2364
2365elif enabled mips; then
2366
34ba23c9 2367 cpuflags="-march=$cpu"
343aef9b
MR
2368
2369elif enabled avr32; then
2370
9dbd5c3d
MR
2371 case $cpu in
2372 ap7[02]0[0-2])
2373 subarch="avr32_ap"
2374 cpuflags="-mpart=$cpu"
2375 ;;
2376 ap)
2377 subarch="avr32_ap"
2378 cpuflags="-march=$cpu"
2379 ;;
2380 uc3[ab]*)
2381 subarch="avr32_uc"
2382 cpuflags="-mcpu=$cpu"
2383 ;;
2384 uc)
2385 subarch="avr32_uc"
2386 cpuflags="-march=$cpu"
2387 ;;
2388 esac
df5cdc24 2389
343aef9b
MR
2390fi
2391
df5cdc24
MR
2392add_cflags $cpuflags
2393add_asflags $cpuflags
2394
993f2d0f
MR
2395# compiler sanity check
2396check_exec <<EOF
2397int main(void){ return 0; }
2398EOF
2399if test "$?" != 0; then
2400 echo "$cc is unable to create an executable file."
2401 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2402 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2403 echo "Only do this if you know what cross compiling means."
2404 fi
2405 die "C compiler test failed."
2406fi
2407
046f081b 2408add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2409check_cflags -std=c99
50a334e4 2410check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2411#include <stdlib.h>
2412EOF
50a334e4 2413check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2414#include <stdlib.h>
2415EOF
e9b9a2f8 2416
f0125de9 2417check_host_cflags -std=c99
0a6db2a2 2418check_host_cflags -Wall
f0125de9 2419
b24dbcbd 2420case "$arch" in
e939cedd 2421 alpha|ia64|mips|parisc|sparc)
8a3c8627 2422 spic=$shared
b24dbcbd 2423 ;;
e939cedd 2424 x86)
cfdb6148 2425 subarch="x86_32"
5adc829e 2426 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
de27f4d9 2427 if test "$subarch" = "x86_64"; then
e939cedd 2428 spic=$shared
de27f4d9 2429 fi
b24dbcbd 2430 ;;
b24dbcbd
RP
2431esac
2432
343aef9b 2433enable $subarch
8a3c8627 2434enabled spic && enable pic
b24dbcbd 2435
7483e694 2436# OS specific
4f854758 2437case $target_os in
a1629e28 2438 haiku)
63ae7e7c 2439 prefix_default="/boot/common"
108caaaa 2440 network_extralibs="-lnetwork"
f59c4bd6 2441 host_libs=
a1629e28 2442 ;;
7483e694 2443 sunos)
4d58e4cb 2444 AVSERVERLDFLAGS=""
9987769a 2445 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2446 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2447 network_extralibs="-lsocket -lnsl"
779222db 2448 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2449 # When using suncc to build, the Solaris linker will mark
2450 # an executable with each instruction set encountered by
2451 # the Solaris assembler. As our libraries contain their own
2452 # guards for processor-specific code, instead suppress
2453 # generation of the HWCAPS ELF section on Solaris x86 only.
2454 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
8182dc34 2455 nm_opts='-P -g'
7483e694
DB
2456 ;;
2457 netbsd)
a1e4b3f6 2458 disable symver
07a8eef6
MR
2459 oss_indev_extralibs="-lossaudio"
2460 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2461 ;;
2462 openbsd)
7c4a001a 2463 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2464 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2465 # however the generated executable will not do anything
2466 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2467 # Thus explicitly enable PIC here.
cd78208b 2468 enable pic
a1e4b3f6 2469 disable symver
7483e694 2470 SHFLAGS='-shared'
07a8eef6
MR
2471 oss_indev_extralibs="-lossaudio"
2472 oss_outdev_extralibs="-lossaudio"
7483e694 2473 ;;
a1e4b3f6 2474 dragonfly)
a1e4b3f6
MR
2475 disable symver
2476 ;;
2477 freebsd)
7483e694
DB
2478 ;;
2479 bsd/os)
355d81df 2480 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2481 ;;
2482 darwin)
301ab19d 2483 gas="gas-preprocessor.pl $cc"
e08b8239 2484 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2485 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2486 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2487 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2488 SLIBSUF=".dylib"
2489 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2490 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2491 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2492 objformat="macho"
1b0f6fb8 2493 enabled x86_64 && objformat="macho64"
8dfa86f7 2494 enabled_any pic shared ||
2704bd1a 2495 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2496 ;;
2497 mingw32*)
9d3f4f50 2498 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2499 disable network
2500 else
2501 target_os=mingw32
2502 fi
dcc01c06 2503 LIBTARGET=i386
1fc9fb8a 2504 if enabled x86_64; then
417516f6 2505 LIBTARGET="i386:x86-64"
336cc1b0 2506 elif enabled arm; then
15c5156d 2507 LIBTARGET=arm-wince
dcc01c06 2508 fi
fbd971a4 2509 shlibdir_default="$bindir_default"
7483e694
DB
2510 SLIBPREF=""
2511 SLIBSUF=".dll"
7483e694
DB
2512 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2513 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2f138f0b
MR
2514 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2515 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2516 SLIB_INSTALL_LINKS=
2517 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2518 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4b51fb1c 2519 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 2520 objformat="win32"
ec10a9ab 2521 dlltool="${cross_prefix}dlltool"
bc574408 2522 enable dos_paths
1894e741 2523 check_cflags -fno-common
e26011d0
RP
2524 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2525 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2526 die "ERROR: MinGW runtime version must be >= 3.15."
5666a9f2 2527 add_cppflags -U__STRICT_ANSI__
7483e694
DB
2528 ;;
2529 cygwin*)
4f854758 2530 target_os=cygwin
fbd971a4 2531 shlibdir_default="$bindir_default"
7483e694
DB
2532 SLIBPREF="cyg"
2533 SLIBSUF=".dll"
2534 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2535 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2536 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2537 objformat="win32"
bc574408 2538 enable dos_paths
1894e741 2539 check_cflags -fno-common
a7a187a1 2540 add_cppflags -U__STRICT_ANSI__
7483e694 2541 ;;
4f365f37 2542 *-dos|freedos|opendos)
4f365f37 2543 network_extralibs="-lsocket"
ff1c015d 2544 objformat="coff"
bc574408 2545 enable dos_paths
a7a187a1 2546 add_cppflags -U__STRICT_ANSI__
4f365f37 2547 ;;
7483e694 2548 linux)
046f081b 2549 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
7483e694
DB
2550 enable dv1394
2551 ;;
2552 irix*)
4f854758 2553 target_os=irix
7483e694
DB
2554 ranlib="echo ignoring ranlib"
2555 ;;
d22e8442 2556 os/2*)
d22e8442 2557 ln_s="cp -f"
9297f1ed 2558 objformat="aout"
e14574eb 2559 add_cppflags -D_GNU_SOURCE
355d81df 2560 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2561 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2562 AVSERVERLDFLAGS=""
287d3b13 2563 LIBSUF="_s.a"
d22e8442
DY
2564 SLIBPREF=""
2565 SLIBSUF=".dll"
2566 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2567 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2568 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2569 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2570 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2571 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2572 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2573 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2574 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2575 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2576 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2577 enable dos_paths
d22e8442 2578 ;;
83993c1c 2579 gnu/kfreebsd)
c1f54478 2580 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
83993c1c 2581 ;;
34e82167 2582 gnu)
f60d1366 2583 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
34e82167 2584 ;;
d33ed7b3
MR
2585 qnx)
2586 add_cppflags -D_QNX_SOURCE
2587 network_extralibs="-lsocket"
2588 ;;
1c69c79f
MS
2589 symbian)
2590 SLIBSUF=".dll"
2591 enable dos_paths
e3bc07f4
MS
2592 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2593 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2594 add_ldflags -Wl,--target1-abs,--no-undefined \
2595 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2596 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2597 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2598 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2599 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2600 ;;
614d8911
MR
2601 none)
2602 ;;
7483e694 2603 *)
4f924f9a 2604 die "Unknown OS '$target_os'."
7483e694
DB
2605 ;;
2606esac
2607
6555acad
MR
2608esc(){
2609 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2610}
2611
2612echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 2613
13cb2187
AS
2614check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2615
c9d19248
MR
2616set_default $PATHS_LIST
2617
320d060a 2618# we need to build at least one lib type
93b3c083 2619if ! enabled_any static shared; then
320d060a
DB
2620 cat <<EOF
2621At least one library type must be built.
2622Specify --enable-static to build the static libraries or --enable-shared to
2623build the shared libraries as well. To only build the shared libraries specify
2624--disable-static in addition to --enable-shared.
2625EOF
2626 exit 1;
2627fi
2628
2184c6f7 2629die_license_disabled() {
4c27207c 2630 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2631}
2632
e417d80d 2633die_license_disabled gpl libcdio
2184c6f7 2634die_license_disabled gpl libx264
de295976 2635die_license_disabled gpl libxavs
2184c6f7 2636die_license_disabled gpl libxvid
2184c6f7
DB
2637die_license_disabled gpl x11grab
2638
2f7ae63b 2639die_license_disabled nonfree libfaac
87246953 2640die_license_disabled nonfree libfdk_aac
a060866f 2641die_license_disabled nonfree openssl
b2e3c528 2642
0b175caa
DB
2643die_license_disabled version3 libopencore_amrnb
2644die_license_disabled version3 libopencore_amrwb
d89e738a 2645die_license_disabled version3 libvo_aacenc
f502ff3f 2646die_license_disabled version3 libvo_amrwbenc
0b175caa 2647
9cad0e4e 2648enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2649
40617a6d 2650disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2651
e276d9e8
MR
2652enable_pic() {
2653 enable pic
bce7b696
MR
2654 add_cppflags -DPIC
2655 add_cflags -fPIC
2656 add_asflags -fPIC
e276d9e8
MR
2657}
2658
2659enabled pic && enable_pic
bce7b696 2660
b4d96ba2
MR
2661check_cc <<EOF || die "Symbol mangling check failed."
2662int ff_extern;
2663EOF
8182dc34 2664sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2665extern_prefix=${sym%%ff_extern*}
2666
f65883c8
MR
2667check_cc <<EOF && enable inline_asm
2668void foo(void) { __asm__ volatile ("" ::); }
2669EOF
61d251db 2670
df5e3978
MR
2671_restrict=
2672for restrict_keyword in restrict __restrict__ __restrict; do
2673 check_cc <<EOF && _restrict=$restrict_keyword && break
2674void foo(char * $restrict_keyword p);
2675EOF
2676done
2677
2678check_cc <<EOF && enable attribute_packed
2679struct { int x; } __attribute__((packed)) x;
2680EOF
2681
dffb41b9
MR
2682check_cc <<EOF && enable attribute_may_alias
2683union { int x; } __attribute__((may_alias)) x;
2684EOF
2685
df5e3978
MR
2686check_cc <<EOF || die "endian test failed"
2687unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2688EOF
48fc536a 2689od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2690
e939cedd
MR
2691if enabled alpha; then
2692
2693 check_cflags -mieee
2694
2695elif enabled arm; then
e45391bb 2696
8986fddc 2697 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 2698 nogas=die
50fa82e6 2699
44caaa56
MR
2700 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2701 enable vfp_args
2702 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2703 case "${cross_prefix:-$cc}" in
2704 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2705 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
2706__asm__ (".eabi_attribute 28, 1");
2707int main(void) { return 0; }
2708EOF
44caaa56
MR
2709 esac
2710 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2711 fi
fa0912fe 2712
fa0912fe
MR
2713 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2714 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2715 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2716 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
fa0912fe 2717 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
93eb8e4d 2718 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
e45391bb 2719
6308729e
MR
2720 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2721
e276d9e8
MR
2722 enabled_all armv6t2 shared !pic && enable_pic
2723
fa0912fe 2724elif enabled mips; then
e45391bb 2725
fa0912fe
MR
2726 check_asm loongson '"dmult.g $1, $2, $3"'
2727 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2728
fa0912fe 2729elif enabled ppc; then
e45391bb 2730
e6a0c354
MR
2731 enable local_aligned_8 local_aligned_16
2732
135448fa 2733 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2734 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2735 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2736 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2737
2738 # AltiVec flags: The FSF version of GCC differs from the Apple version
2739 if enabled altivec; then
301ab19d 2740 nogas=warn
fa0912fe
MR
2741 check_cflags -maltivec -mabi=altivec &&
2742 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2743 check_cflags -faltivec
2744
2745 # check if our compiler supports Motorola AltiVec C API
2746 check_cc <<EOF || disable altivec
2747$inc_altivec_h
2748int main(void) {
2749 vector signed int v1, v2, v3;
2750 v1 = vec_add(v2,v3);
2751 return 0;
2752}
2753EOF
2754
2755 # check if our compiler supports braces for vector declarations
2756 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2757$inc_altivec_h
2758int main (void) { (vector int) {1}; return 0; }
2759EOF
2760 fi
e45391bb 2761
fa0912fe 2762elif enabled sparc; then
e45391bb 2763
fa0912fe
MR
2764 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2765 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2766
fa0912fe 2767elif enabled x86; then
e45391bb 2768
3f150ffb 2769 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
c0ee695b 2770 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
8e85ba8d 2771 check_code ld intrin.h "__rdtsc()" && enable rdtsc
358d854d 2772 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
8e85ba8d 2773
f80ddd5b
RB
2774 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2775
e6a0c354
MR
2776 enable local_aligned_8 local_aligned_16
2777
44965991
PI
2778 # check whether EBP is available on x86
2779 # As 'i' is stored on the stack, this program will crash
2780 # if the base pointer is used to access it because the
2781 # base pointer is cleared in the inline assembly code.
7dfef245 2782 check_exec_crash <<EOF && enable ebp_available
44965991 2783 volatile int i=0;
be449fca 2784 __asm__ volatile (
44965991
PI
2785 "xorl %%ebp, %%ebp"
2786 ::: "%ebp");
2787 return i;
44965991
PI
2788EOF
2789
f494213c 2790 # check whether EBX is available on x86
7cee5421
MR
2791 check_asm ebx_available '""::"b"(0)' &&
2792 check_asm ebx_available '"":::"%ebx"'
8e380710 2793
6f74fb03
RP
2794 # check whether xmm clobbers are supported
2795 check_asm xmm_clobbers '"":::"%xmm0"'
2796
d7f0920b 2797 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2798 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2799 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6 2800
9cca1e40 2801 if ! disabled_any asm mmx yasm; then
b6c06894
MR
2802 if check_cmd $yasmexe --version; then
2803 enabled x86_64 && yasm_extra="-m amd64"
2804 yasm_debug="-g dwarf2"
2805 elif check_cmd nasm -v; then
2806 yasmexe=nasm
2807 yasm_debug="-g -F dwarf"
2808 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2809 fi
2810
2811 YASMFLAGS="-f $objformat $yasm_extra"
2812 enabled pic && append YASMFLAGS "-DPIC"
2813 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2814 case "$objformat" in
2815 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2816 esac
2817
48545a8f 2818 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
25432e85 2819 die "yasm not found, use --disable-yasm for a crippled build"
429059f8 2820 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
31a0dcb2 2821 fi
e45391bb 2822
669b5583
MR
2823 case "$cpu" in
2824 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2825 disable fast_clz
2826 ;;
2827 esac
2828
44965991
PI
2829fi
2830
301ab19d
MR
2831if enabled asm; then
2832 as=${gas:=$as}
2833 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2834 $nogas "GNU assembler not found, install gas-preprocessor"
2835fi
2836
4a7e068b
MR
2837check_ldflags -Wl,--as-needed
2838
a98bb16d
RP
2839if check_func dlopen; then
2840 ldl=
2841elif check_func dlopen -ldl; then
2842 ldl=-ldl
8bf5d58f
MN
2843fi
2844
54fe299b
DV
2845if enabled network; then
2846 check_type "sys/types.h sys/socket.h" socklen_t
2847 check_type netdb.h "struct addrinfo"
75d339e0
MS
2848 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2849 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
2850 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2851 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 2852 check_type poll.h "struct pollfd"
54fe299b
DV
2853 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2854 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5699884c 2855 check_header netinet/sctp.h
f06dee77 2856 check_func getaddrinfo $network_extralibs
54fe299b
DV
2857 # Prefer arpa/inet.h over winsock2
2858 if check_header arpa/inet.h ; then
2859 check_func closesocket
2860 elif check_header winsock2.h ; then
47876d66
DB
2861 check_func_headers winsock2.h closesocket -lws2 &&
2862 network_extralibs="-lws2" ||
2863 { check_func_headers winsock2.h closesocket -lws2_32 &&
54fe299b 2864 network_extralibs="-lws2_32"; }
f06dee77 2865 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
54fe299b
DV
2866 check_type ws2tcpip.h socklen_t
2867 check_type ws2tcpip.h "struct addrinfo"
75d339e0
MS
2868 check_type ws2tcpip.h "struct group_source_req"
2869 check_type ws2tcpip.h "struct ip_mreq_source"
54fe299b 2870 check_type ws2tcpip.h "struct ipv6_mreq"
cdee08e3 2871 check_type winsock2.h "struct pollfd"
54fe299b
DV
2872 check_type ws2tcpip.h "struct sockaddr_in6"
2873 check_type ws2tcpip.h "struct sockaddr_storage"
2874 check_struct winsock2.h "struct sockaddr" sa_len
2875 else
2876 disable network
2877 fi
2878fi
2879
75ecf149
DB
2880# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2881check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2882
534a2231 2883check_func fcntl
7483e694
DB
2884check_func fork
2885check_func gethrtime
667fb97a 2886check_func getopt
7483e694 2887check_func getrusage
fc5607f8 2888check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
61183b5a 2889check_func gettimeofday
094c09bb 2890check_func inet_aton $network_extralibs
abfc8d05 2891check_func isatty
a5b64584 2892check_func localtime_r
4ae40685 2893check_func ${malloc_prefix}memalign && enable memalign
7483e694 2894check_func mkstemp
0328b9ea 2895check_func mmap
4ae40685 2896check_func ${malloc_prefix}posix_memalign && enable posix_memalign
be1a839c 2897check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
0104b608 2898check_func setrlimit
87958234 2899check_func strerror_r
6379900c 2900check_func strptime
47941088 2901check_func strtok_r
ea4d5f48 2902check_func sched_getaffinity
bcc73960 2903check_func sysconf
b9e22269 2904check_func sysctl
d3d3a32c 2905check_func usleep
b507ebd1 2906check_func_headers io.h setmode
b4675d0f 2907check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
fc5607f8 2908check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
02e8f427 2909check_func_headers windows.h GetProcessAffinityMask
2446d3d6 2910check_func_headers windows.h GetProcessTimes
61183b5a 2911check_func_headers windows.h GetSystemTimeAsFileTime
73f6d31e 2912check_func_headers windows.h MapViewOfFile
d3d3a32c 2913check_func_headers windows.h Sleep
7c5bfe7a 2914check_func_headers windows.h VirtualAlloc
6ffa87d3 2915
a98bb16d 2916check_header dlfcn.h
fa845061 2917check_header dxva.h
92c6a099 2918check_header dxva2api.h
3b1ab197 2919check_header io.h
a98bb16d 2920check_header malloc.h
bf6ce82d 2921check_header poll.h
b58412f1 2922check_header sys/mman.h
06bb5905 2923check_header sys/param.h
b091aa44 2924check_header sys/resource.h
bf6ce82d 2925check_header sys/select.h
e64bceea 2926check_header sys/time.h
542920b7 2927check_header unistd.h
272081b0
CEH
2928check_header vdpau/vdpau.h
2929check_header vdpau/vdpau_x11.h
d3d3a32c 2930check_header windows.h
68178ca9 2931check_header X11/extensions/XvMClib.h
a98bb16d 2932
a4fa192c 2933disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2934disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4 2935
ff3755cb
JG
2936if ! disabled w32threads && ! enabled pthreads; then
2937 check_func _beginthreadex && enable w32threads
2938fi
2939
57bd82d4
MR
2940# check for some common methods of building with pthread support
2941# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2942if ! disabled pthreads && ! enabled w32threads; then
2943 enable pthreads
9e7fd101
MR
2944 if check_func pthread_create; then
2945 :
2946 elif check_func pthread_create -pthread; then
2947 add_cflags -pthread
afc9aee2 2948 add_extralibs -pthread
9e7fd101
MR
2949 elif check_func pthread_create -pthreads; then
2950 add_cflags -pthreads
afc9aee2 2951 add_extralibs -pthreads
8d94f606
GT
2952 elif check_func pthread_create -lpthreadGC2; then
2953 add_extralibs -lpthreadGC2
9e7fd101 2954 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2955 disable pthreads
9e7fd101 2956 fi
57bd82d4
MR
2957fi
2958
8eee7025 2959for thread in $THREADS_LIST; do
e5f94c2b 2960 if enabled $thread; then
3ae3b721
RP
2961 test -n "$thread_type" &&
2962 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2963 thread_type="$thread"
e5f94c2b
RP
2964 fi
2965done
2966
50f7c296 2967check_lib math.h sin -lm && LIBM="-lm"
f3e3f28e 2968enabled vaapi && require vaapi va/va.h vaInitialize -lva
fdf88598 2969
15333562 2970check_mathfunc cbrtf
645d2652
MR
2971check_mathfunc exp2
2972check_mathfunc exp2f
46df708b
MS
2973check_mathfunc isinf
2974check_mathfunc isnan
645d2652 2975check_mathfunc llrint
07876e25 2976check_mathfunc llrintf
645d2652
MR
2977check_mathfunc log2
2978check_mathfunc log2f
2979check_mathfunc lrint
2980check_mathfunc lrintf
183b1c22 2981check_mathfunc rint
645d2652
MR
2982check_mathfunc round
2983check_mathfunc roundf
23d3931a 2984check_mathfunc trunc
645d2652 2985check_mathfunc truncf
f32adb22 2986
57bd82d4 2987# these are off by default, so fail if requested and not available
a1b3c5a3 2988enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
47941088 2989enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
bc8c1395 2990enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
79fda097 2991enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
37eeb5e2 2992enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
a5b64584 2993enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
5af41508 2994enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3641b048 2995enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
9b9d3868 2996enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
eb7626a3
MR
2997enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2998enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4fa18c56 2999enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3d6fac8c 3000enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0de9c41f 3001enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4fa18c56
MR
3002enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3003enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
ae14f311 3004enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 3005enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
d89e738a 3006enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
f502ff3f 3007enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
7483e694 3008enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
7d07d6f5
DB
3009enabled libvpx && {
3010 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3011 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3012 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3013 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
eb7626a3 3014enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
46c3c53b
AK
3015 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3016 die "ERROR: libx264 version must be >= 0.118."; }
de295976 3017enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2bfecf73 3018enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
a060866f
MS
3019enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3020 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3021 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3022 die "ERROR: openssl not found"; }
8ac17293 3023
acd554c1
SP
3024if enabled gnutls; then
3025 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3026 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3027fi
3028
0b4a1821
AS
3029# libdc1394 check
3030if enabled libdc1394; then
3031 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3032 enable libdc1394_2; } ||
3033 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3034 enable libdc1394_1; } ||
3035 die "ERROR: No version of libdc1394 found "
3036fi
3037
9bd41bb1 3038if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
aa692d54
MR
3039 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3040 enable sdl &&
3041 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 3042fi
57bd82d4 3043
2270b4b2 3044texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 3045
c6f95144 3046check_header linux/fb.h
06e31011 3047check_header linux/videodev2.h
a6a4793d
LB
3048check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3049
1b6e8b73 3050check_header sys/videoio.h
47f38850 3051
27796dc3 3052check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
3053# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3054# w32api 3.12 had it defined wrong
3055check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 3056
f8aa696f 3057# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
3058{ check_header dev/bktr/ioctl_meteor.h &&
3059 check_header dev/bktr/ioctl_bt848.h; } ||
3060{ check_header machine/ioctl_meteor.h &&
3061 check_header machine/ioctl_bt848.h; } ||
3062{ check_header dev/video/meteor/ioctl_meteor.h &&
3063 check_header dev/video/bktr/ioctl_bt848.h; } ||
3064check_header dev/ic/bt8xx.h
f8aa696f 3065
15d59d2c 3066check_header sndio.h
c7682de0
RP
3067check_header sys/soundcard.h
3068check_header soundcard.h
deb29777 3069
b6f3d925 3070enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 3071
8772997d
SM
3072enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3073 check_func jack_port_get_latency_range -ljack
80ff8a16 3074
15d59d2c
B
3075enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3076
e417d80d
AK
3077enabled libcdio &&
3078 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3079
4a584eda
JA
3080enabled x11grab &&
3081require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3082require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3083require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
f58f4ce1 3084
ac3dbb4d
SZ
3085# check for VDA header
3086if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
be1e8725 3087 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
ac3dbb4d
SZ
3088fi
3089
598ef02b 3090if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
3091check_cpp_condition \
3092 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
3093 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3094 disable vdpau; }
abf649c7 3095fi
deda2a4a 3096
95e561ec 3097enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
3098
3099# add some useful compiler flags if supported
3100check_cflags -Wdeclaration-after-statement
dcd479c0 3101check_cflags -Wall
440e3b2f 3102check_cflags -Wno-parentheses
dcd479c0 3103check_cflags -Wno-switch
b36518dc 3104check_cflags -Wno-format-zero-length
c07bd6a9
MN
3105check_cflags -Wdisabled-optimization
3106check_cflags -Wpointer-arith
3107check_cflags -Wredundant-decls
cc1fb623 3108check_cflags -Wno-pointer-sign
f4929996 3109check_cflags -Wcast-qual
9aceb3cf 3110check_cflags -Wwrite-strings
652a5bf6 3111check_cflags -Wtype-limits
764551c6 3112check_cflags -Wundef
fc298fd9 3113check_cflags -Wmissing-prototypes
c2ed91de 3114check_cflags -Wstrict-prototypes
5af4e0cc 3115enabled extra_warnings && check_cflags -Winline
cf9d24ad 3116
57bd82d4 3117# add some linker flags
5c0e9479 3118check_ldflags -Wl,--warn-common
3510a133 3119check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
fef2d661 3120test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
94a3401e 3121
47876d66 3122enabled xmm_clobber_test &&
7e4d9d5d
RB
3123 check_ldflags -Wl,--wrap,avcodec_open2 \
3124 -Wl,--wrap,avcodec_decode_audio4 \
3125 -Wl,--wrap,avcodec_decode_video2 \
3126 -Wl,--wrap,avcodec_decode_subtitle2 \
3127 -Wl,--wrap,avcodec_encode_audio2 \
3128 -Wl,--wrap,avcodec_encode_video \
3129 -Wl,--wrap,avcodec_encode_subtitle \
47876d66 3130 -Wl,--wrap,sws_scale ||
7e4d9d5d
RB
3131 disable xmm_clobber_test
3132
a482e61b 3133echo "X{};" > $TMPV
b462d132 3134if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 3135 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
3136 check_cc <<EOF && enable symver_asm_label
3137void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 3138void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
3139EOF
3140 check_cc <<EOF && enable symver_gnu_asm
3141__asm__(".symver ff_foo,av_foo@VERSION");
3142void ff_foo(void) {}
3143EOF
3144fi
a482e61b 3145
9cd7b854
MR
3146if [ -n "$optflags" ]; then
3147 add_cflags $optflags
3148elif enabled small; then
01d31e16 3149 add_cflags $cflags_size
8400d6b8 3150elif enabled optimizations; then
01d31e16 3151 add_cflags $cflags_speed
b05394a0 3152else
01d31e16 3153 add_cflags $cflags_noopt
cddf3f45 3154fi
11fdbc44 3155check_cflags -fno-math-errno
b2eb2ff0 3156check_cflags -fno-signed-zeros
cddf3f45 3157
629687f6 3158if enabled icc; then
b1598b58
MR
3159 # Just warnings, no remarks
3160 check_cflags -w1
3161 # -wd: Disable following warnings
3162 # 144, 167, 556: -Wno-pointer-sign
91bcad19 3163 # 1292: attribute "foo" ignored
88de5b0a 3164 # 1419: external declaration in primary source file
b1598b58 3165 # 10006: ignoring unknown option -fno-signed-zeros
f1c7c6ae 3166 # 10148: ignoring unknown option -Wno-parentheses
b1598b58 3167 # 10156: ignoring option '-W'; no argument required
88de5b0a 3168 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
b1598b58
MR
3169 # 11030: Warning unknown option --as-needed
3170 # 10156: ignoring option '-export'; no argument required
3171 check_ldflags -wd10156,11030
3172 # Allow to compile with optimizations
3173 check_ldflags -march=$cpu
be2cf98a
CEH
3174 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3175 enable ebp_available
bdefad73 3176 if enabled x86_32; then
07e3f9af 3177 icc_version=$($cc -dumpversion)
47876d66
DB
3178 test ${icc_version%%.*} -ge 11 &&
3179 check_cflags -falign-stack=maintain-16-byte ||
bdefad73
MR
3180 disable aligned_stack
3181 fi
df442a8d
MR
3182elif enabled ccc; then
3183 # disable some annoying warnings
3184 add_cflags -msg_disable cvtu32to64
3185 add_cflags -msg_disable embedcomment
3186 add_cflags -msg_disable needconstext
3187 add_cflags -msg_disable nomainieee
3188 add_cflags -msg_disable ptrmismatch1
3189 add_cflags -msg_disable unreachcode
973859f5
MR
3190elif enabled gcc; then
3191 check_cflags -fno-tree-vectorize
765e6134 3192 check_cflags -Werror=implicit-function-declaration
de63bfec 3193 check_cflags -Werror=missing-prototypes
9d6b2077 3194 check_cflags -Werror=declaration-after-statement
613a4e3f
MR
3195elif enabled llvm_gcc; then
3196 check_cflags -mllvm -stack-alignment=16
06da6943 3197elif enabled clang; then
5c8ef670 3198 check_cflags -mllvm -stack-alignment=16
06da6943 3199 check_cflags -Qunused-arguments
138132be
MR
3200elif enabled armcc; then
3201 # 2523: use of inline assembler is deprecated
bcafde61
MR
3202 add_cflags -W${armcc_opt},--diag_suppress=2523