avprobe: Include libm.h for the log2 fallback
[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
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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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]
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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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DB
119 --disable-dwt disable DWT code
120 --disable-lsp disable LSP code
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121 --disable-mdct disable MDCT code
122 --disable-rdft disable RDFT code
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123 --disable-fft disable FFT code
124 --enable-dxva2 enable DXVA2 code
dcb73592 125 --enable-vaapi enable VAAPI code
ac3dbb4d 126 --enable-vda enable VDA code
e8f6bd4b 127 --enable-vdpau enable VDPAU code
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128
129Individual component options:
bb55e3a3 130 --disable-everything disable all components listed below
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131 --disable-encoder=NAME disable encoder NAME
132 --enable-encoder=NAME enable encoder NAME
133 --disable-encoders disable all encoders
134 --disable-decoder=NAME disable decoder NAME
135 --enable-decoder=NAME enable decoder NAME
136 --disable-decoders disable all decoders
137 --disable-hwaccel=NAME disable hwaccel NAME
138 --enable-hwaccel=NAME enable hwaccel NAME
139 --disable-hwaccels disable all hwaccels
140 --disable-muxer=NAME disable muxer NAME
141 --enable-muxer=NAME enable muxer NAME
142 --disable-muxers disable all muxers
143 --disable-demuxer=NAME disable demuxer NAME
144 --enable-demuxer=NAME enable demuxer NAME
145 --disable-demuxers disable all demuxers
146 --enable-parser=NAME enable parser NAME
147 --disable-parser=NAME disable parser NAME
148 --disable-parsers disable all parsers
149 --enable-bsf=NAME enable bitstream filter NAME
150 --disable-bsf=NAME disable bitstream filter NAME
151 --disable-bsfs disable all bitstream filters
152 --enable-protocol=NAME enable protocol NAME
153 --disable-protocol=NAME disable protocol NAME
154 --disable-protocols disable all protocols
3b327a4b 155 --enable-indev=NAME enable input device NAME
06454877 156 --disable-indev=NAME disable input device NAME
06454877 157 --disable-indevs disable input devices
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158 --enable-outdev=NAME enable output device NAME
159 --disable-outdev=NAME disable output device NAME
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160 --disable-outdevs disable output devices
161 --disable-devices disable all devices
162 --enable-filter=NAME enable filter NAME
163 --disable-filter=NAME disable filter NAME
164 --disable-filters disable all filters
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165
166External library support:
167 --enable-avisynth enable reading of AVISynth script files [no]
168 --enable-bzlib enable bzlib [autodetect]
47941088 169 --enable-frei0r enable frei0r video filtering
bc8c1395 170 --enable-gnutls enable gnutls [no]
e417d80d 171 --enable-libcdio enable audio CD grabbing with libcdio
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172 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
173 and libraw1394 [no]
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174 --enable-libfaac enable AAC encoding via libfaac [no]
175 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 176 --enable-libfreetype enable libfreetype [no]
c547e5ff 177 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 178 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 179 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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180 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
181 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
182 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 183 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
7c922411 184 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 185 --enable-librtmp enable RTMP[E] support via librtmp [no]
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186 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
187 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 188 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 189 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 190 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
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DB
191 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
192 --enable-libvpx enable VP8 de/encoding via libvpx [no]
06454877 193 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 194 --enable-libxavs enable AVS encoding via xavs [no]
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195 --enable-libxvid enable Xvid encoding via xvidcore,
196 native MPEG-4/Xvid encoder exists [no]
a060866f 197 --enable-openssl enable openssl [no]
06454877
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198 --enable-zlib enable zlib [autodetect]
199
200Advanced options (experts only):
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201 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
202 --enable-cross-compile assume a cross-compiler is used
203 --sysroot=PATH root of cross-build tree
204 --sysinclude=PATH location of cross-build system headers
205 --target-os=OS compiler targets OS [$target_os]
206 --target-exec=CMD command to run executables on target
207 --target-path=DIR path to view of build directory on target
208 --nm=NM use nm tool
121d78d0 209 --ar=AR use archive tool AR [$ar_default]
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210 --as=AS use assembler AS [$as_default]
211 --cc=CC use C compiler CC [$cc_default]
193cdd9a 212 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
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213 --ld=LD use linker LD
214 --host-cc=HOSTCC use host C compiler HOSTCC
215 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
216 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
217 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 218 --host-os=OS compiler host OS [$target_os]
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219 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
220 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
221 --extra-libs=ELIBS add ELIBS [$ELIBS]
222 --extra-version=STRING version string suffix []
193cdd9a 223 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 224 --build-suffix=SUFFIX library name suffix []
3b327a4b 225 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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226 --arch=ARCH select architecture [$arch]
227 --cpu=CPU select the minimum required CPU (affects
228 instruction selection, may crash on older CPUs)
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DB
229 --enable-pic build position-independent code
230 --enable-sram allow use of on-chip SRAM
193cdd9a 231 --enable-thumb compile for Thumb instruction set
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DB
232 --disable-symver disable symbol versioning
233 --disable-fastdiv disable table-based division
234 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
235 --disable-safe-bitstream-reader
236 disable buffer boundary checking in bitreaders
237 (faster, but may crash)
238 --enable-memalign-hack emulate memalign, interferes with memory debuggers
239
240Optimization options (experts only):
c8a4ae00 241 --disable-asm disable all assembler optimizations
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242 --disable-altivec disable AltiVec optimizations
243 --disable-amd3dnow disable 3DNow! optimizations
244 --disable-amd3dnowext disable 3DNow! extended optimizations
245 --disable-mmx disable MMX optimizations
239fdf1b 246 --disable-mmxext disable MMXEXT optimizations
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247 --disable-sse disable SSE optimizations
248 --disable-ssse3 disable SSSE3 optimizations
87f1355f 249 --disable-avx disable AVX optimizations
79687079 250 --disable-fma4 disable FMA4 optimizations
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251 --disable-armv5te disable armv5te optimizations
252 --disable-armv6 disable armv6 optimizations
253 --disable-armv6t2 disable armv6t2 optimizations
254 --disable-armvfp disable ARM VFP optimizations
06454877 255 --disable-mmi disable MMI optimizations
5ea20630 256 --disable-neon disable NEON optimizations
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257 --disable-vis disable VIS optimizations
258 --disable-yasm disable use of yasm assembler
06454877 259
070c5d0f 260Developer options (useful when working on Libav itself):
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261 --disable-debug disable debugging symbols
262 --enable-debug=LEVEL set the debug level [$debuglevel]
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263 --disable-optimizations disable compiler optimizations
264 --enable-extra-warnings enable more compiler warnings
52b3cc60 265 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 266 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
RB
267 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
268 should be used only for debugging purposes)
154caa67
MR
269 --enable-random randomly enable/disable components
270 --disable-random
271 --enable-random=LIST randomly enable/disable specific components or
272 --disable-random=LIST component groups. LIST is a comma-separated list
273 of NAME[:PROB] entries where NAME is a component
274 (group) and PROB the probability associated with
275 NAME (default 0.5).
276 --random-seed=VALUE seed value for --enable/disable-random
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277
278NOTE: Object files are built at the place where configure is launched.
279EOF
60e8bc13 280 exit 0
74c53c2d 281}
cf9d24ad 282
0884fadf
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283quotes='""'
284
57bd82d4 285log(){
2270b4b2 286 echo "$@" >> $logfile
57bd82d4
MR
287}
288
720c69da 289log_file(){
c8e9f801 290 log BEGIN $1
2270b4b2 291 pr -n -t $1 >> $logfile
c8e9f801
MR
292 log END $1
293}
294
2ba042a7 295echolog(){
c8e9f801 296 log "$@"
57bd82d4 297 echo "$@"
2ba042a7
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298}
299
7bfc8ae6
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300warn(){
301 log "WARNING: $*"
302 WARNINGS="${WARNINGS}WARNING: $*\n"
303}
304
2ba042a7
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305die(){
306 echolog "$@"
307 cat <<EOF
d326cf7f 308
2ba042a7 309If you think configure made a mistake, make sure you are using the latest
4a6a21f5 310version from Git. If the latest version fails, report the problem to the
070c5d0f 311libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 312EOF
e155a21a 313 if disabled logging; then
2ba042a7 314 cat <<EOF
e155a21a
DB
315Rerun configure with logging enabled (do not use --disable-logging), and
316include the log this produces with your report.
2ba042a7
MR
317EOF
318 else
319cat <<EOF
e155a21a
DB
320Include the log file "$logfile" produced by configure as this will help
321solving the problem.
2ba042a7
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322EOF
323 fi
57bd82d4
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324 exit 1
325}
326
6c6007d6 327# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 328toupper(){
6c6007d6 329 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
330}
331
4a5444db 332tolower(){
6c6007d6 333 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
334}
335
14a8acf1
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336c_escape(){
337 echo "$*" | sed 's/["\\]/\\\0/g'
338}
339
b04251c5
MR
340sh_quote(){
341 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 342 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
b04251c5
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343 echo "$v"
344}
345
bb7a22b5
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346cleanws(){
347 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
348}
349
be8f2501
MR
350filter(){
351 pat=$1
352 shift
353 for v; do
98ef6079 354 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
355 done
356}
357
9d201b26
MR
358filter_out(){
359 pat=$1
360 shift
361 for v; do
362 eval "case $v in $pat) ;; *) echo $v ;; esac"
363 done
364}
365
36e2dea0
MR
366map(){
367 m=$1
368 shift
e0e335a0 369 for v; do eval $m; done
36e2dea0
MR
370}
371
a8d04fba
MR
372set_all(){
373 value=$1
374 shift
375 for var in $*; do
376 eval $var=$value
377 done
378}
379
72a43668
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380set_weak(){
381 value=$1
382 shift
383 for var; do
384 eval : \${$var:=$value}
385 done
386}
387
3f8040db
MR
388set_safe(){
389 var=$1
390 shift
391 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
392}
393
394get_safe(){
395 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
396}
397
799c9e9b
MR
398pushvar(){
399 for var in $*; do
400 eval level=\${${var}_level:=0}
401 eval ${var}_${level}="\$$var"
402 eval ${var}_level=$(($level+1))
403 done
404}
405
406popvar(){
407 for var in $*; do
408 eval level=\${${var}_level:-0}
409 test $level = 0 && continue
410 eval level=$(($level-1))
411 eval $var="\${${var}_${level}}"
412 eval ${var}_level=$level
413 eval unset ${var}_${level}
414 done
415}
416
a8d04fba
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417enable(){
418 set_all yes $*
419}
420
421disable(){
422 set_all no $*
423}
424
72a43668
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425enable_weak(){
426 set_weak yes $*
427}
428
429disable_weak(){
430 set_weak no $*
431}
432
72702705 433enable_safe(){
fd07f803
MR
434 for var; do
435 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
436 done
72702705
MR
437}
438
439disable_safe(){
fd07f803
MR
440 for var; do
441 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
442 done
72702705
MR
443}
444
f9d328da
MR
445do_enable_deep(){
446 for var; do
447 enabled $var && continue
448 eval sel="\$${var}_select"
c510c7b5
MR
449 eval sgs="\$${var}_suggest"
450 pushvar var sgs
f9d328da 451 enable_deep $sel
c510c7b5
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452 popvar sgs
453 enable_deep_weak $sgs
f9d328da
MR
454 popvar var
455 done
456}
457
458enable_deep(){
459 do_enable_deep $*
460 enable $*
461}
462
72a43668
MR
463enable_deep_weak(){
464 do_enable_deep $*
465 enable_weak $*
466}
467
57bd82d4 468enabled(){
3250003c
MR
469 test "${1#!}" = "$1" && op== || op=!=
470 eval test "x\$${1#!}" $op "xyes"
44161118
MR
471}
472
37970ebf 473disabled(){
3250003c
MR
474 test "${1#!}" = "$1" && op== || op=!=
475 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
476}
477
44161118
MR
478enabled_all(){
479 for opt; do
480 enabled $opt || return 1
481 done
482}
483
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DB
484disabled_all(){
485 for opt; do
486 disabled $opt || return 1
487 done
488}
489
44161118
MR
490enabled_any(){
491 for opt; do
492 enabled $opt && return 0
493 done
494}
495
85bca2c5
DB
496disabled_any(){
497 for opt; do
498 disabled $opt && return 0
499 done
f7b230a7 500 return 1
85bca2c5
DB
501}
502
c9d19248
MR
503set_default(){
504 for opt; do
88268e94 505 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
506 done
507}
508
4a0d6686
AJ
509is_in(){
510 value=$1
511 shift
512 for var in $*; do
513 [ $var = $value ] && return 0
514 done
515 return 1
516}
517
30fd06be
MR
518check_deps(){
519 for cfg; do
3250003c 520 cfg="${cfg#!}"
799c9e9b
MR
521 enabled ${cfg}_checking && die "Circular dependency for $cfg."
522 disabled ${cfg}_checking && continue
523 enable ${cfg}_checking
524
30fd06be
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525 eval dep_all="\$${cfg}_deps"
526 eval dep_any="\$${cfg}_deps_any"
7ef3425f 527 eval dep_sel="\$${cfg}_select"
c510c7b5 528 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
529 eval dep_ifa="\$${cfg}_if"
530 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 531
3d7453e0
MR
532 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
533 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
534 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 535
3d7453e0
MR
536 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
537 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
538 enabled_all $dep_all || disable $cfg
539 enabled_any $dep_any || disable $cfg
7ef3425f 540 disabled_any $dep_sel && disable $cfg
799c9e9b 541
4ec45764
RP
542 if enabled $cfg; then
543 eval dep_extralibs="\$${cfg}_extralibs"
544 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 545 enable_deep $dep_sel
c510c7b5 546 enable_deep_weak $dep_sgs
4ec45764
RP
547 fi
548
799c9e9b 549 disable ${cfg}_checking
30fd06be
MR
550 done
551}
552
72cfcf41
MR
553print_config_h(){
554 enabled $1 && v=1 || v=0
555 echo "#define $2 $v"
556}
557
558print_config_mak(){
559 enabled $1 && v= || v=!
560 echo "$v$2=yes"
561}
562
55127e7b 563print_config_asm(){
3b15a6d7
RB
564 enabled $1 && v=1 || v=0
565 echo "%define $2 $v"
55127e7b
MR
566}
567
44161118
MR
568print_config(){
569 pfx=$1
72cfcf41
MR
570 files=$2
571 shift 2
44161118 572 for cfg; do
5e622c40 573 ucname="$(toupper $cfg)"
72cfcf41
MR
574 for f in $files; do
575 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
576 done
44161118 577 done
57bd82d4
MR
578}
579
31c0121d
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580print_enabled(){
581 test "$1" = -n && end=" " && shift || end="\n"
582 suf=$1
583 shift
584 for v; do
585 enabled $v && printf "%s$end" ${v%$suf};
586 done
587}
588
57bd82d4
MR
589append(){
590 var=$1
591 shift
57bd82d4
MR
592 eval "$var=\"\$$var $*\""
593}
594
60361817
MR
595prepend(){
596 var=$1
597 shift
598 eval "$var=\"$* \$$var\""
599}
600
50a334e4 601add_cppflags(){
cd52ec95 602 append CPPFLAGS "$@"
50a334e4
MR
603}
604
57bd82d4 605add_cflags(){
01d31e16 606 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
607}
608
2f2e6c7c 609add_asflags(){
01d31e16 610 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
611}
612
57bd82d4 613add_ldflags(){
64933b6c 614 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
615}
616
617add_extralibs(){
64933b6c 618 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
619}
620
6c3fa06a
MR
621add_host_cflags(){
622 append host_cflags $($host_cflags_filter "$@")
623}
624
625add_host_ldflags(){
626 append host_ldflags $($host_ldflags_filter "$@")
627}
628
b0cfb663 629check_cmd(){
b3cb5d51 630 log "$@"
2270b4b2 631 "$@" >> $logfile 2>&1
b0cfb663
MR
632}
633
b2704a65
MR
634cc_o(){
635 eval printf '%s\\n' $CC_O
636}
637
18031c49
MR
638cc_e(){
639 eval printf '%s\\n' $CC_E
640}
641
dcd479c0 642check_cc(){
57bd82d4 643 log check_cc "$@"
2270b4b2 644 cat > $TMPC
720c69da 645 log_file $TMPC
23565c26 646 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
647}
648
649check_cpp(){
650 log check_cpp "$@"
2270b4b2 651 cat > $TMPC
720c69da 652 log_file $TMPC
18031c49 653 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
654}
655
f65883c8
MR
656check_as(){
657 log check_as "$@"
658 cat > $TMPC
659 log_file $TMPC
23565c26 660 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C -o $TMPO $TMPC
f65883c8
MR
661}
662
575db883
DB
663check_inline_asm(){
664 log check_inline_asm "$@"
940f335a 665 name="$1"
3784e82e 666 code="$2"
940f335a 667 shift 2
49214f61
MR
668 disable $name
669 check_as "$@" <<EOF && enable $name
3784e82e 670void foo(void){ __asm__ volatile($code); }
940f335a
MR
671EOF
672}
673
304d586d
LM
674check_yasm(){
675 log check_yasm "$@"
676 echo "$1" > $TMPS
677 log_file $TMPS
678 shift 1
679 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
680}
681
dcd479c0 682check_ld(){
57bd82d4 683 log check_ld "$@"
3155a644
MR
684 flags=''
685 libs=''
686 for f; do
687 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
688 done
01d31e16 689 check_cc $($cflags_filter $flags) || return
64933b6c
MR
690 flags=$($ldflags_filter $flags)
691 libs=$($ldflags_filter $libs)
7e75f9fe 692 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
dcd479c0
MR
693}
694
5adc829e
MR
695check_code(){
696 log check_code "$@"
697 check=$1
698 headers=$2
699 code=$3
700 shift 3
701 {
702 for hdr in $headers; do
703 echo "#include <$hdr>"
704 done
705 echo "int main(void) { $code; return 0; }"
706 } | check_$check "$@"
707}
708
50a334e4
MR
709check_cppflags(){
710 log check_cppflags "$@"
caf458dd 711 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
712int x;
713EOF
714}
715
dcd479c0 716check_cflags(){
57bd82d4 717 log check_cflags "$@"
01d31e16 718 set -- $($cflags_filter "$@")
caf458dd 719 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
720int x;
721EOF
722}
723
2ed46eea
MR
724test_ldflags(){
725 log test_ldflags "$@"
726 check_ld "$@" <<EOF
c23a0ac8 727int main(void){ return 0; }
dcd479c0
MR
728EOF
729}
730
2ed46eea
MR
731check_ldflags(){
732 log check_ldflags "$@"
733 test_ldflags "$@" && add_ldflags "$@"
734}
735
dcd479c0 736check_header(){
57bd82d4 737 log check_header "$@"
dcd479c0
MR
738 header=$1
739 shift
b77df637
MR
740 disable_safe $header
741 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
742#include <$header>
743int x;
744EOF
745}
746
747check_func(){
57bd82d4 748 log check_func "$@"
dcd479c0
MR
749 func=$1
750 shift
d8bc5f06
MR
751 disable $func
752 check_ld "$@" <<EOF && enable $func
dcd479c0 753extern int $func();
c23a0ac8 754int main(void){ $func(); }
dcd479c0
MR
755EOF
756}
757
645d2652 758check_mathfunc(){
6b73c0ae 759 log check_mathfunc "$@"
645d2652
MR
760 func=$1
761 shift
762 disable $func
763 check_ld "$@" <<EOF && enable $func
764#include <math.h>
33bd38db
MR
765float foo(float f) { return $func(f); }
766int main(void){ return 0; }
645d2652
MR
767EOF
768}
769
2446d3d6
DB
770check_func_headers(){
771 log check_func_headers "$@"
f8d7b072 772 headers=$1
edaf1ae2 773 funcs=$2
f8d7b072 774 shift 2
edaf1ae2
MR
775 {
776 for hdr in $headers; do
777 echo "#include <$hdr>"
778 done
779 for func in $funcs; do
780 echo "long check_$func(void) { return (long) $func; }"
781 done
782 echo "int main(void) { return 0; }"
783 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
784}
785
a5344cf7
SS
786check_cpp_condition(){
787 log check_cpp_condition "$@"
788 header=$1
789 condition=$2
f855b7b9 790 shift 2
cd52ec95 791 check_cpp "$@" <<EOF
a5344cf7
SS
792#include <$header>
793#if !($condition)
794#error "unsatisfied condition: $condition"
795#endif
796EOF
797}
798
57bd82d4
MR
799check_lib(){
800 log check_lib "$@"
801 header="$1"
802 func="$2"
803 shift 2
84400e9d 804 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
805}
806
f8d7b072
MR
807check_lib2(){
808 log check_lib2 "$@"
809 headers="$1"
edaf1ae2 810 funcs="$2"
f8d7b072 811 shift 2
edaf1ae2 812 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
813}
814
3f8040db
MR
815check_pkg_config(){
816 log check_pkg_config "$@"
817 pkg="$1"
818 headers="$2"
819 funcs="$3"
820 shift 3
821 $pkg_config --exists $pkg || return
822 pkg_cflags=$($pkg_config --cflags $pkg)
823 pkg_libs=$($pkg_config --libs $pkg)
824 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
825 set_safe ${pkg}_cflags $pkg_cflags &&
826 set_safe ${pkg}_libs $pkg_libs
827}
828
dcd479c0 829check_exec(){
2270b4b2 830 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
831}
832
7dfef245 833check_exec_crash(){
5e622c40 834 code=$(cat)
7dfef245
MR
835
836 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
837 # are safe but may not be available everywhere. Thus we use
838 # raise(SIGTERM) instead. The check is run in a subshell so we
839 # can redirect the "Terminated" message from the shell. SIGBUS
840 # is not defined by standard C so it is used conditionally.
841
2270b4b2 842 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
843#include <signal.h>
844static void sighandler(int sig){
845 raise(SIGTERM);
846}
e5af4a11 847int main(void){
7dfef245
MR
848 signal(SIGILL, sighandler);
849 signal(SIGFPE, sighandler);
850 signal(SIGSEGV, sighandler);
851#ifdef SIGBUS
852 signal(SIGBUS, sighandler);
853#endif
854 { $code }
855}
856EOF
857}
858
72be9e73
DY
859check_type(){
860 log check_type "$@"
861 headers=$1
862 type=$2
863 shift 2
ae550ce9 864 disable_safe "$type"
5adc829e 865 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
866}
867
14d36751
MR
868check_struct(){
869 log check_type "$@"
870 headers=$1
871 struct=$2
872 member=$3
873 shift 3
874 disable_safe "${struct}_${member}"
5adc829e
MR
875 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
876 enable_safe "${struct}_${member}"
14d36751
MR
877}
878
57bd82d4
MR
879require(){
880 name="$1"
881 header="$2"
882 func="$3"
883 shift 3
884 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
885}
886
f8d7b072
MR
887require2(){
888 name="$1"
889 headers="$2"
890 func="$3"
891 shift 3
892 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
893}
894
3f8040db
MR
895require_pkg_config(){
896 pkg="$1"
897 check_pkg_config "$@" || die "ERROR: $pkg not found"
898 add_cflags $(get_safe ${pkg}_cflags)
899 add_extralibs $(get_safe ${pkg}_libs)
900}
901
f0125de9
MR
902check_host_cc(){
903 log check_host_cc "$@"
904 cat > $TMPC
905 log_file $TMPC
906 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
907}
908
909check_host_cflags(){
910 log check_host_cflags "$@"
6c3fa06a 911 set -- $($host_cflags_filter "$@")
f0125de9
MR
912 check_host_cc "$@" <<EOF && append host_cflags "$@"
913int x;
914EOF
915}
916
c505dd31
MR
917apply(){
918 file=$1
919 shift
920 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
921}
922
c34681df 923cp_if_changed(){
5e27ec28
MR
924 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
925 mkdir -p "$(dirname $2)"
926 cp -f "$1" "$2"
c34681df
MR
927}
928
dcd61286
DB
929# CONFIG_LIST contains configurable options, while HAVE_LIST is for
930# system-dependent things.
931
4a0d6686
AJ
932COMPONENT_LIST="
933 bsfs
934 decoders
935 demuxers
936 encoders
3cde40aa 937 filters
5666fd73 938 hwaccels
c552605c 939 indevs
4a0d6686 940 muxers
c552605c 941 outdevs
4a0d6686
AJ
942 parsers
943 protocols
944"
945
055c61b8
DB
946PROGRAM_LIST="
947 avconv
948 avplay
949 avprobe
950 avserver
055c61b8
DB
951"
952
4a0d6686
AJ
953CONFIG_LIST="
954 $COMPONENT_LIST
055c61b8 955 $PROGRAM_LIST
5a0f7131
MR
956 avcodec
957 avdevice
f7679c54 958 avfilter
5a0f7131 959 avformat
c8af852b 960 avresample
c88f5d72 961 avisynth
f402916e 962 bzlib
7f3f5f46 963 dct
c73f65d9 964 doc
05aec7bb 965 dwt
92c6a099 966 dxva2
27a9466b 967 fastdiv
1848f7d9 968 fft
47941088 969 frei0r
bc8c1395 970 gnutls
c88f5d72 971 gpl
d8d0d0b2 972 gray
3abe5fbd 973 hardcoded_tables
e417d80d 974 libcdio
f7b8bffe 975 libdc1394
2eed5a46 976 libfaac
37eeb5e2 977 libfdk_aac
a5b64584 978 libfreetype
c88f5d72 979 libgsm
3641b048 980 libilbc
6ebe07fb 981 libmp3lame
0b175caa
DB
982 libopencore_amrnb
983 libopencore_amrwb
6ebf0bfc 984 libopencv
9a77d59a 985 libopenjpeg
0de9c41f 986 libpulse
0f943ce6 987 librtmp
f7cd9eed 988 libschroedinger
ae14f311 989 libspeex
150d2772 990 libtheora
d89e738a 991 libvo_aacenc
f502ff3f 992 libvo_amrwbenc
c88f5d72 993 libvorbis
8299a7f8 994 libvpx
1cc60c47 995 libx264
de295976 996 libxavs
1cc60c47 997 libxvid
b781cc12 998 lsp
47a158cb 999 mdct
c88f5d72 1000 memalign_hack
c88f5d72 1001 network
3fe142e2 1002 nonfree
a060866f 1003 openssl
8a3c8627 1004 pic
68602540 1005 rdft
e90f5b5a 1006 runtime_cpudetect
8cfbbd92 1007 safe_bitstream_reader
2e35e684 1008 shared
bd2216e4 1009 small
6b35d421 1010 sram
2e35e684 1011 static
5a0f7131 1012 swscale
a9ddb5b1 1013 swscale_alpha
8986fddc 1014 thumb
17492d5e 1015 vaapi
ac3dbb4d 1016 vda
17492d5e 1017 vdpau
9cad0e4e 1018 version3
7e4d9d5d 1019 xmm_clobber_test
56a059ac 1020 x11grab
c88f5d72 1021 zlib
4a0d6686 1022"
c88f5d72 1023
8eee7025 1024THREADS_LIST='
8eee7025
DB
1025 pthreads
1026 w32threads
1027'
1028
3f5b56e5
MR
1029ARCH_LIST='
1030 alpha
a2fc0f6a 1031 arm
fdcd782d
MR
1032 avr32
1033 avr32_ap
1034 avr32_uc
3f5b56e5
MR
1035 bfin
1036 ia64
1037 m68k
1038 mips
bae3abb0 1039 mips64
3f5b56e5 1040 parisc
79cb09b2 1041 ppc
34d11b87 1042 ppc64
3f5b56e5
MR
1043 s390
1044 sh4
1045 sparc
1046 sparc64
0844bae1 1047 tomi
3f5b56e5
MR
1048 x86
1049 x86_32
1050 x86_64
1051'
1052
1053ARCH_EXT_LIST='
1ac9331a 1054 altivec
3bf96eec 1055 amd3dnow
a1ef9f08 1056 amd3dnowext
1ac9331a 1057 armv5te
edab3048 1058 armv6
ab5cb084 1059 armv6t2
f55b299a 1060 armvfp
87f1355f 1061 avx
79687079 1062 fma4
3f5b56e5
MR
1063 mmi
1064 mmx
239fdf1b 1065 mmxext
6b18d278 1066 neon
799fde37 1067 ppc4xx
1bb04d5a 1068 sse
9eeed841 1069 ssse3
93eb8e4d 1070 vfpv3
bd9d34a0 1071 vis
3f5b56e5
MR
1072'
1073
a3e02a8c
MR
1074HAVE_LIST_PUB='
1075 bigendian
d268eee9 1076 fast_unaligned
a3e02a8c
MR
1077'
1078
3f5b56e5
MR
1079HAVE_LIST="
1080 $ARCH_EXT_LIST
a3e02a8c 1081 $HAVE_LIST_PUB
3f5b56e5 1082 $THREADS_LIST
be1a839c 1083 aligned_malloc
59782b82 1084 aligned_stack
35fd8122 1085 alsa_asoundlib_h
3f5b56e5 1086 altivec_h
c9fdab0d 1087 arpa_inet_h
ec9d2c15 1088 asm_mod_q
6308729e 1089 asm_mod_y
dffb41b9 1090 attribute_may_alias
e7ea5e3d 1091 attribute_packed
15333562 1092 cbrtf
ecf97f22 1093 closesocket
1ac9331a 1094 cmov
c0ee695b 1095 cpuid
180d43bc 1096 cpunop
c88f5d72 1097 dcbzl
f8aa696f
DB
1098 dev_bktr_ioctl_bt848_h
1099 dev_bktr_ioctl_meteor_h
1100 dev_ic_bt8xx_h
f8aa696f 1101 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1102 dev_video_meteor_ioctl_meteor_h
18b67ae5 1103 dlfcn_h
c88f5d72 1104 dlopen
bc574408 1105 dos_paths
fa845061 1106 dxva_h
245626d0
DB
1107 ebp_available
1108 ebx_available
6b7c7703
VS
1109 exp2
1110 exp2f
c2a29455 1111 fast_64bit
669b5583 1112 fast_clz
7073e9fc 1113 fast_cmov
534a2231 1114 fcntl
9d99cc5a 1115 fork
84882df6 1116 getaddrinfo
da9e86f8 1117 gethrtime
667fb97a 1118 getopt
02e8f427 1119 GetProcessAffinityMask
fc5607f8 1120 GetProcessMemoryInfo
4e68cb8a 1121 GetProcessTimes
61183b5a 1122 GetSystemTimeAsFileTime
66be5b45 1123 getrusage
61183b5a 1124 gettimeofday
a49d3025 1125 gnu_as
2f0c136e 1126 ibm_asm
2e1913b1 1127 inet_aton
61d251db 1128 inline_asm
3b1ab197 1129 io_h
abfc8d05 1130 isatty
46df708b
MS
1131 isinf
1132 isnan
8772997d 1133 jack_port_get_latency_range
9f5ff83f 1134 ldbrx
0b4a1821
AS
1135 libdc1394_1
1136 libdc1394_2
a33cab3a 1137 llrint
07876e25 1138 llrintf
d96cd429
MR
1139 local_aligned_16
1140 local_aligned_8
a5b64584 1141 localtime_r
291fd18a 1142 log2
6b7c7703 1143 log2f
85dd97ad 1144 loongson
a33cab3a 1145 lrint
c88f5d72 1146 lrintf
f8aa696f
DB
1147 machine_ioctl_bt848_h
1148 machine_ioctl_meteor_h
c88f5d72 1149 malloc_h
73f6d31e 1150 MapViewOfFile
c88f5d72 1151 memalign
6ffa87d3 1152 mkstemp
f80ddd5b 1153 mm_empty
0328b9ea 1154 mmap
d3d3a32c 1155 nanosleep
3e0b1c9a 1156 poll_h
1f91cdce 1157 posix_memalign
07b28702 1158 rdtsc
183b1c22 1159 rint
a33cab3a
MK
1160 round
1161 roundf
358d854d 1162 rweflags
ea4d5f48 1163 sched_getaffinity
c88f5d72
MR
1164 sdl
1165 sdl_video_size
b507ebd1 1166 setmode
3e0b1c9a 1167 setrlimit
d3d3a32c 1168 Sleep
15d59d2c 1169 sndio_h
72be9e73 1170 socklen_t
deb29777 1171 soundcard_h
87958234 1172 strerror_r
6379900c 1173 strptime
47941088 1174 strtok_r
c0018613 1175 struct_addrinfo
75d339e0
MS
1176 struct_group_source_req
1177 struct_ip_mreq_source
b4d68544 1178 struct_ipv6_mreq
cdee08e3 1179 struct_pollfd
3e0b1c9a 1180 struct_rusage_ru_maxrss
b4d68544 1181 struct_sockaddr_in6
3b2372bf 1182 struct_sockaddr_sa_len
33a4dbdd 1183 struct_sockaddr_storage
a6a4793d 1184 struct_v4l2_frmivalenum_discrete
b462d132 1185 symver
b462d132 1186 symver_asm_label
3e0b1c9a 1187 symver_gnu_asm
bcc73960 1188 sysconf
b9e22269 1189 sysctl
b58412f1 1190 sys_mman_h
06bb5905 1191 sys_param_h
b091aa44 1192 sys_resource_h
81644c2e 1193 sys_select_h
deb29777 1194 sys_soundcard_h
e64bceea 1195 sys_time_h
1b6e8b73 1196 sys_videoio_h
b265431e 1197 threads
23d3931a 1198 trunc
7b04b8a0 1199 truncf
542920b7 1200 unistd_h
d3d3a32c 1201 usleep
ce742de2 1202 vfp_args
7c5bfe7a 1203 VirtualAlloc
d3d3a32c 1204 windows_h
6ff3f3e7 1205 winsock2_h
cc078b5d 1206 xform_asm
3f150ffb 1207 xgetbv
6f74fb03 1208 xmm_clobbers
304d586d 1209 yasm
0cb78cef 1210"
44161118 1211
b6bb00b0
MR
1212# options emitted with CONFIG_ prefix but not available on command line
1213CONFIG_EXTRA="
87849592 1214 aandcttables
bfe9f48a 1215 ac3dsp
dc4f5a1c 1216 avutil
bfe9f48a 1217 gcrypt
478fd534 1218 golomb
9cad0e4e 1219 gplv3
478fd534
DB
1220 h264chroma
1221 h264dsp
1222 h264pred
915a2a0a 1223 h264qpel
478fd534 1224 huffman
9cad0e4e 1225 lgplv3
478fd534 1226 lpc
bfe9f48a 1227 mpegaudiodsp
18bbca1f 1228 mpegvideo
bfe9f48a
DB
1229 nettle
1230 rtpdec
1231 sinewin
ab9f9876 1232 vp3dsp
b6bb00b0
MR
1233"
1234
520cc7f1 1235CMDLINE_SELECT="
3f5b56e5 1236 $ARCH_EXT_LIST
520cc7f1 1237 $CONFIG_LIST
8eee7025 1238 $THREADS_LIST
c8a4ae00 1239 asm
db6107b6 1240 cross_compile
520cc7f1
MR
1241 debug
1242 extra_warnings
8c6afa4d 1243 logging
d2bbb2f7 1244 optimizations
9baec618 1245 symver
7595a5e4 1246 yasm
520cc7f1 1247"
426be5dc
DB
1248
1249PATHS_LIST='
d156bede 1250 bindir
14a8acf1 1251 datadir
26759c44
MR
1252 incdir
1253 libdir
26759c44
MR
1254 mandir
1255 prefix
1256 shlibdir
426be5dc
DB
1257'
1258
1259CMDLINE_SET="
1260 $PATHS_LIST
121d78d0 1261 ar
426be5dc 1262 arch
313c46a6 1263 as
426be5dc
DB
1264 build_suffix
1265 cc
1266 cpu
1267 cross_prefix
50567afa 1268 dep_cc
ac63af34 1269 extra_version
9da6609f
MR
1270 host_cc
1271 host_cflags
1272 host_ldflags
1273 host_libs
82bb3329 1274 host_os
684b28e0 1275 ld
426be5dc 1276 logfile
4ae40685 1277 malloc_prefix
89641463 1278 nm
9cd7b854 1279 optflags
3f8040db 1280 pkg_config
154caa67 1281 random_seed
2fad0977 1282 samples
c5200f17
MR
1283 sysinclude
1284 sysroot
a7ada2ba 1285 target_exec
26759c44 1286 target_os
a7ada2ba 1287 target_path
426be5dc 1288"
520cc7f1 1289
89f2932b
MR
1290CMDLINE_APPEND="
1291 extra_cflags
1292"
1293
912f3148
DB
1294# code dependency declarations
1295
9eeed841 1296# architecture extensions
808fa33c 1297
a2fc0f6a
MR
1298armv5te_deps="arm"
1299armv6_deps="arm"
ab5cb084 1300armv6t2_deps="arm"
a2fc0f6a 1301armvfp_deps="arm"
808fa33c 1302neon_deps="arm"
93eb8e4d 1303vfpv3_deps="armvfp"
808fa33c 1304
e241ba14 1305mmi_deps="mips"
808fa33c
MR
1306
1307altivec_deps="ppc"
1308ppc4xx_deps="ppc"
1309
1310vis_deps="sparc"
1311
7f8c3d1f 1312x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1313amd3dnow_deps="mmx"
1314amd3dnowext_deps="amd3dnow"
9eeed841 1315mmx_deps="x86"
239fdf1b 1316mmxext_deps="mmx"
75aa95a6
DB
1317sse_deps="mmx"
1318ssse3_deps="sse"
87f1355f 1319avx_deps="ssse3"
79687079 1320fma4_deps="avx"
9eeed841 1321
59782b82 1322aligned_stack_if_any="ppc x86"
e939cedd 1323fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1324fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1325fast_unaligned_if_any="armv6 ppc x86"
669b5583 1326
6fec122a 1327inline_asm_deps="!tms470"
3e0b1c9a 1328need_memalign="altivec neon sse"
89e053f8 1329
b462d132
MR
1330symver_if_any="symver_asm_label symver_gnu_asm"
1331
26fbcc85 1332# subsystems
dc609252 1333dct_select="rdft"
26fbcc85
MR
1334mdct_select="fft"
1335rdft_select="fft"
c4f5c2d6 1336mpegaudiodsp_select="dct"
26fbcc85 1337
5666fd73 1338# decoders / encoders / hardware accelerators
cfc2a0cf 1339aac_decoder_select="mdct sinewin"
4538729a 1340aac_encoder_select="mdct sinewin"
136e19e1 1341aac_latm_decoder_select="aac_decoder aac_latm_parser"
6d9f52b2 1342ac3_decoder_select="mdct ac3dsp ac3_parser"
a5444fee 1343ac3_encoder_select="mdct ac3dsp"
3d269059 1344ac3_fixed_encoder_select="mdct ac3dsp"
f4d608e3 1345alac_encoder_select="lpc"
b781cc12 1346amrnb_decoder_select="lsp"
2b2a597e 1347amrwb_decoder_select="lsp"
4538729a 1348atrac1_decoder_select="mdct sinewin"
26fbcc85 1349atrac3_decoder_select="mdct"
a33657ce
DB
1350binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1351binkaudio_rdft_decoder_select="mdct rdft sinewin"
18bbca1f 1352cavs_decoder_select="golomb mpegvideo"
4538729a 1353cook_decoder_select="mdct sinewin"
2eef7c62 1354cscd_decoder_suggest="zlib"
26fbcc85 1355dca_decoder_select="mdct"
18bbca1f 1356dnxhd_encoder_select="aandcttables mpegvideo"
2eef7c62 1357dxa_decoder_select="zlib"
baf91bb9 1358eac3_decoder_select="ac3_decoder"
aa47c35d 1359eac3_encoder_select="mdct ac3dsp"
87849592
DB
1360eamad_decoder_select="aandcttables"
1361eatgq_decoder_select="aandcttables"
18bbca1f 1362eatqi_decoder_select="aandcttables mpegvideo"
4f034993
MR
1363ffv1_decoder_select="golomb"
1364flac_decoder_select="golomb"
f4d608e3 1365flac_encoder_select="golomb lpc"
2eef7c62
AJ
1366flashsv_decoder_select="zlib"
1367flashsv_encoder_select="zlib"
c2d23309 1368flashsv2_decoder_select="zlib"
4414137e 1369flv_decoder_select="h263_decoder"
4d4b4bd1 1370flv_encoder_select="h263_encoder"
3447f12d 1371fraps_decoder_select="huffman"
18bbca1f
MR
1372h261_decoder_select="mpegvideo"
1373h261_encoder_select="aandcttables mpegvideo"
1374h263_decoder_select="h263_parser mpegvideo"
1375h263_encoder_select="aandcttables mpegvideo"
95a61cfc 1376h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1377h263i_decoder_select="h263_decoder"
fe629c2d 1378h263p_encoder_select="h263_encoder"
18bbca1f 1379h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
92c6a099
LA
1380h264_dxva2_hwaccel_deps="dxva2api_h"
1381h264_dxva2_hwaccel_select="dxva2 h264_decoder"
76718f3f 1382h264_vaapi_hwaccel_select="vaapi h264_decoder"
ac3dbb4d 1383h264_vda_hwaccel_select="vda h264_decoder"
95a61cfc 1384h264_vdpau_decoder_select="vdpau h264_decoder"
19be0f3c 1385iac_decoder_select="fft mdct sinewin"
56c8227d 1386imc_decoder_select="fft mdct sinewin"
4f034993
MR
1387jpegls_decoder_select="golomb"
1388jpegls_encoder_select="golomb"
18bbca1f 1389ljpeg_encoder_select="aandcttables mpegvideo"
4f034993 1390loco_decoder_select="golomb"
18bbca1f
MR
1391mdec_decoder_select="mpegvideo"
1392mjpeg_encoder_select="aandcttables mpegvideo"
2cca233b 1393mlp_decoder_select="mlp_parser"
c4f5c2d6 1394mp1_decoder_select="mpegaudiodsp"
c4f5c2d6 1395mp1float_decoder_select="mpegaudiodsp"
3e0b1c9a 1396mp2_decoder_select="mpegaudiodsp"
c4f5c2d6 1397mp2float_decoder_select="mpegaudiodsp"
3e0b1c9a
DB
1398mp3_decoder_select="mpegaudiodsp"
1399mp3adu_decoder_select="mpegaudiodsp"
c4f5c2d6
MR
1400mp3adufloat_decoder_select="mpegaudiodsp"
1401mp3float_decoder_select="mpegaudiodsp"
3e0b1c9a 1402mp3on4_decoder_select="mpegaudiodsp"
c4f5c2d6 1403mp3on4float_decoder_select="mpegaudiodsp"
606c9297
DB
1404mpc7_decoder_select="mpegaudiodsp"
1405mpc8_decoder_select="mpegaudiodsp"
95a61cfc 1406mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
3e0b1c9a
DB
1407mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1408mpeg_xvmc_decoder_select="mpegvideo_decoder"
95a61cfc 1409mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
18bbca1f
MR
1410mpeg1video_decoder_select="mpegvideo"
1411mpeg1video_encoder_select="aandcttables mpegvideo"
164aab02
LA
1412mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1413mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1414mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
fe5fba44 1415mpeg2video_decoder_select="mpegvideo"
18bbca1f 1416mpeg2video_encoder_select="aandcttables mpegvideo"
3e0b1c9a
DB
1417mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1418mpeg4_encoder_select="h263_encoder"
95a61cfc 1419mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1420mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
4414137e 1421msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1422msmpeg4v1_encoder_select="h263_encoder"
4414137e 1423msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1424msmpeg4v2_encoder_select="h263_encoder"
4414137e 1425msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1426msmpeg4v3_encoder_select="h263_encoder"
4538729a
MR
1427nellymoser_decoder_select="mdct sinewin"
1428nellymoser_encoder_select="mdct sinewin"
2eef7c62
AJ
1429png_decoder_select="zlib"
1430png_encoder_select="zlib"
b781cc12 1431qcelp_decoder_select="lsp"
c4f5c2d6 1432qdm2_decoder_select="mdct rdft mpegaudiodsp"
31ed3f1f 1433ra_144_encoder_select="lpc"
9f43fdda 1434ralf_decoder_select="golomb"
a8beb22f 1435rv10_decoder_select="h263_decoder"
b2bf38b4 1436rv10_encoder_select="h263_encoder"
a8beb22f 1437rv20_decoder_select="h263_decoder"
b2bf38b4 1438rv20_encoder_select="h263_encoder"
18bbca1f
MR
1439rv30_decoder_select="golomb h264chroma h264pred h264qpel mpegvideo"
1440rv40_decoder_select="golomb h264chroma h264pred h264qpel mpegvideo"
4f034993 1441shorten_decoder_select="golomb"
b781cc12 1442sipr_decoder_select="lsp"
05aec7bb 1443snow_decoder_select="dwt"
18bbca1f 1444snow_encoder_select="aandcttables dwt mpegvideo"
fe5fba44 1445svq1_decoder_select="mpegvideo"
18bbca1f
MR
1446svq1_encoder_select="aandcttables mpegvideo"
1447svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
bee2eac5 1448svq3_decoder_suggest="zlib"
4eef77c1 1449theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1450tiff_decoder_suggest="zlib"
1451tiff_encoder_suggest="zlib"
aec09a00 1452truehd_decoder_select="mlp_decoder"
2eef7c62 1453tscc_decoder_select="zlib"
4538729a 1454twinvq_decoder_select="mdct lsp sinewin"
915a2a0a 1455vc1_decoder_select="h263_decoder h264chroma h264qpel"
562ebc30 1456vc1_dxva2_hwaccel_deps="dxva2api_h"
f0f86627 1457vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1458vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1459vc1_vdpau_decoder_select="vdpau vc1_decoder"
45ecda85 1460vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1461vorbis_decoder_select="mdct"
1462vorbis_encoder_select="mdct"
ab9f9876
MR
1463vp3_decoder_select="vp3dsp"
1464vp5_decoder_select="vp3dsp"
1465vp6_decoder_select="huffman vp3dsp"
e82dc4c9
DB
1466vp6a_decoder_select="vp6_decoder"
1467vp6f_decoder_select="vp6_decoder"
915a2a0a 1468vp8_decoder_select="h264pred h264qpel"
4538729a
MR
1469wmapro_decoder_select="mdct sinewin"
1470wmav1_decoder_select="mdct sinewin"
1471wmav1_encoder_select="mdct sinewin"
1472wmav2_decoder_select="mdct sinewin"
1473wmav2_encoder_select="mdct sinewin"
1474wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1475wmv1_decoder_select="h263_decoder"
665507aa 1476wmv1_encoder_select="h263_encoder"
f95bfab0 1477wmv2_decoder_select="h263_decoder"
1746e2a9 1478wmv2_encoder_select="h263_encoder"
015f8ee0 1479wmv3_decoder_select="vc1_decoder"
f0f86627 1480wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1481wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1482wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
45ecda85 1483wmv3image_decoder_select="wmv3_decoder"
0e714f88 1484zerocodec_decoder_select="zlib"
2eef7c62
AJ
1485zlib_decoder_select="zlib"
1486zlib_encoder_select="zlib"
1487zmbv_decoder_select="zlib"
1488zmbv_encoder_select="zlib"
30fd06be 1489
0afab17e 1490vaapi_deps="va_va_h"
ac3dbb4d 1491vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
c89c96e9
MR
1492vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1493
28b80940 1494# parsers
18bbca1f
MR
1495h264_parser_select="golomb h264dsp h264pred mpegvideo"
1496mpeg4video_parser_select="mpegvideo"
1497mpegvideo_parser_select="mpegvideo"
1498vc1_parser_select="mpegvideo"
28b80940 1499
912f3148 1500# external libraries
c9171a83 1501libfaac_encoder_deps="libfaac"
37eeb5e2 1502libfdk_aac_encoder_deps="libfdk_aac"
299c77d5
MR
1503libgsm_decoder_deps="libgsm"
1504libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1505libgsm_ms_decoder_deps="libgsm"
1506libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1507libilbc_decoder_deps="libilbc"
1508libilbc_encoder_deps="libilbc"
1cc60c47 1509libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1510libopencore_amrnb_decoder_deps="libopencore_amrnb"
1511libopencore_amrnb_encoder_deps="libopencore_amrnb"
1512libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1513libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1514libopenjpeg_encoder_deps="libopenjpeg"
f7cd9eed
AS
1515libschroedinger_decoder_deps="libschroedinger"
1516libschroedinger_encoder_deps="libschroedinger"
ae14f311 1517libspeex_decoder_deps="libspeex"
b606a017 1518libspeex_encoder_deps="libspeex"
150d2772 1519libtheora_encoder_deps="libtheora"
d89e738a 1520libvo_aacenc_encoder_deps="libvo_aacenc"
f502ff3f 1521libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1522libvorbis_encoder_deps="libvorbis"
8299a7f8 1523libvpx_decoder_deps="libvpx"
ee0e9146 1524libvpx_encoder_deps="libvpx"
1cc60c47 1525libx264_encoder_deps="libx264"
de295976 1526libxavs_encoder_deps="libxavs"
1cc60c47 1527libxvid_encoder_deps="libxvid"
30fd06be 1528
912f3148 1529# demuxers / muxers
c2dd0e9e 1530ac3_demuxer_select="ac3_parser"
647c2356 1531asf_stream_muxer_select="asf_muxer"
4e622dea 1532avisynth_demuxer_deps="avisynth"
c2dd0e9e 1533dirac_demuxer_select="dirac_parser"
5b423887 1534eac3_demuxer_select="ac3_parser"
c2dd0e9e 1535flac_demuxer_select="flac_parser"
647c2356 1536ipod_muxer_select="mov_muxer"
647c2356 1537matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1538matroska_demuxer_suggest="zlib bzlib"
1539mov_demuxer_suggest="zlib"
c2dd0e9e 1540mp3_demuxer_select="mpegaudio_parser"
647c2356 1541mp4_muxer_select="mov_muxer"
18bbca1f 1542mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
647c2356
DB
1543mpegtsraw_demuxer_select="mpegts_demuxer"
1544mxf_d10_muxer_select="mxf_muxer"
24ca518b 1545ogg_demuxer_select="golomb"
647c2356 1546psp_muxer_select="mov_muxer"
44594cc7 1547rtp_demuxer_select="sdp_demuxer"
18bbca1f 1548rtp_muxer_select="mpegvideo"
44b70ce5
MS
1549rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1550rtsp_demuxer_select="http_protocol rtpdec"
1551rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
01c8d258 1552sap_demuxer_select="sdp_demuxer"
2aab70c4 1553sap_muxer_select="rtp_muxer rtp_protocol"
44b70ce5 1554sdp_demuxer_select="rtpdec"
f1e94694 1555spdif_muxer_select="aac_parser"
647c2356
DB
1556tg2_muxer_select="mov_muxer"
1557tgp_muxer_select="mov_muxer"
6bdaa5f4 1558w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1559
1560# indevs / outdevs
38e54a75 1561alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1562alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1563bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1564dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1565fbdev_indev_deps="linux_fb_h"
38e54a75 1566jack_indev_deps="jack_jack_h"
e417d80d 1567libcdio_indev_deps="libcdio"
38e54a75 1568libdc1394_indev_deps="libdc1394"
38e54a75
SS
1569oss_indev_deps_any="soundcard_h sys_soundcard_h"
1570oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1571pulse_indev_deps="libpulse"
15d59d2c
B
1572sndio_indev_deps="sndio_h"
1573sndio_outdev_deps="sndio_h"
38e54a75 1574v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1575vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1576vfwcap_indev_extralibs="-lavicap32"
24f8961f 1577x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1578
912f3148 1579# protocols
acd554c1
SP
1580ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1581ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1582ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1583ffrtmphttp_protocol_deps="!librtmp_protocol"
1584ffrtmphttp_protocol_select="http_protocol"
3fff6382 1585gopher_protocol_deps="network"
c40e1757
JS
1586httpproxy_protocol_deps="network"
1587httpproxy_protocol_select="tcp_protocol"
c08fb000 1588http_protocol_deps="network"
279a0c97 1589http_protocol_select="tcp_protocol"
183baead 1590https_protocol_select="tls_protocol"
c3b57d6e
DB
1591librtmp_protocol_deps="librtmp"
1592librtmpe_protocol_deps="librtmp"
1593librtmps_protocol_deps="librtmp"
1594librtmpt_protocol_deps="librtmp"
1595librtmpte_protocol_deps="librtmp"
c60a2d70 1596mmsh_protocol_select="http_protocol"
b4cf3f6c 1597mmst_protocol_deps="network"
c3b57d6e 1598rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1599rtmp_protocol_select="tcp_protocol"
acd554c1 1600rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1601rtmps_protocol_deps="!librtmp_protocol"
1602rtmps_protocol_select="tls_protocol"
775c4d36 1603rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1604rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1605rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1606rtp_protocol_select="udp_protocol"
83c93fe7 1607sctp_protocol_deps="network struct_sctp_event_subscribe"
c08fb000 1608tcp_protocol_deps="network"
558d192d
MS
1609tls_protocol_deps_any="openssl gnutls"
1610tls_protocol_select="tcp_protocol"
c08fb000
AB
1611udp_protocol_deps="network"
1612
6ebf0bfc 1613# filters
13fabd7a 1614blackframe_filter_deps="gpl"
ce6b6ef6 1615boxblur_filter_deps="gpl"
68b79bfc 1616cropdetect_filter_deps="gpl"
b157be1f 1617delogo_filter_deps="gpl"
a5b64584 1618drawtext_filter_deps="libfreetype"
2e5ff4d0 1619frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1620frei0r_filter_extralibs='$ldl'
a42bb9d6 1621frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1622frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1623hqdn3d_filter_deps="gpl"
d371e7b9 1624resample_filter_deps="avresample"
cf69ad35 1625ocv_filter_deps="libopencv"
2f296e39 1626scale_filter_deps="swscale"
acbac567 1627yadif_filter_deps="gpl"
6ebf0bfc 1628
5a0f7131
MR
1629# libraries
1630avdevice_deps="avcodec avformat"
1631avformat_deps="avcodec"
f7679c54 1632
912f3148 1633# programs
ce03b088
AK
1634avconv_deps="avcodec avfilter avformat avresample swscale
1635 aformat_filter asyncts_filter
1636 format_filter fps_filter scale_filter setpts_filter"
266463da
AK
1637avplay_deps="avcodec avformat swscale sdl"
1638avplay_select="rdft"
9e12f0bf 1639avprobe_deps="avcodec avformat"
b263bf66 1640avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1641avserver_extralibs='$ldl'
a2830dca 1642
c73f65d9 1643doc_deps="texi2html"
912f3148 1644
57442411
MR
1645# tests
1646
388ff813
DB
1647mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1648seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1649
57442411
MR
1650test_deps(){
1651 suf1=$1
1652 suf2=$2
1653 shift 2
1654 for v; do
1655 dep=${v%=*}
1656 tests=${v#*=}
1657 for name in ${tests}; do
908f12f3 1658 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
57442411
MR
1659 done
1660 done
1661}
1662
57442411
MR
1663test_deps _muxer _demuxer \
1664 aiff \
1665 pcm_alaw=alaw \
1666 asf \
1667 au \
1668 avi \
1669 dv=dv_fmt \
1670 ffm \
1671 flv=flv_fmt \
1672 gxf \
1673 matroska=mkv \
1674 mmf \
1675 mov \
1676 pcm_mulaw=mulaw \
0218808d 1677 mxf="mxf mxf_d10" \
57442411
MR
1678 nut \
1679 ogg \
1680 rawvideo=pixfmt \
1681 rm \
1682 swf \
1683 mpegts=ts \
1684 voc \
1685 wav \
1686 yuv4mpegpipe=yuv4mpeg \
1687
de6d9b64 1688# default parameters
8a608357 1689
19bd477d 1690logfile="config.log"
8a608357
MR
1691
1692# installation paths
c9d19248
MR
1693prefix_default="/usr/local"
1694bindir_default='${prefix}/bin'
6291d7e4 1695datadir_default='${prefix}/share/avconv'
c9d19248
MR
1696incdir_default='${prefix}/include'
1697libdir_default='${prefix}/lib'
1698mandir_default='${prefix}/share/man'
1699shlibdir_default="$libdir_default"
8a608357
MR
1700
1701# toolchain
121d78d0 1702ar_default="ar"
13c7df3d 1703cc_default="gcc"
9da6609f 1704host_cc_default="gcc"
11e6d03a 1705ln_s="ln -sf"
89641463 1706nm_default="nm"
11e6d03a 1707objformat="elf"
3f8040db 1708pkg_config_default=pkg-config
be7109c1 1709ranlib="ranlib"
11e6d03a 1710yasmexe="yasm"
8a608357 1711
8182dc34 1712nm_opts='-g'
3e0b1c9a 1713nogas=":"
8182dc34 1714
8a608357 1715# machine
8d4c00ed 1716arch_default=$(uname -m)
38d0a8aa 1717cpu="generic"
8a608357 1718
8a608357 1719# OS
8d4c00ed
MR
1720target_os_default=$(tolower $(uname -s))
1721host_os=$target_os_default
8a608357 1722
8a608357 1723# configurable options
055c61b8
DB
1724enable $PROGRAM_LIST
1725
5a0f7131
MR
1726enable avcodec
1727enable avdevice
cccc039f 1728enable avfilter
5a0f7131 1729enable avformat
c8af852b 1730enable avresample
dc4f5a1c 1731enable avutil
3e0b1c9a
DB
1732enable swscale
1733
3e0b1c9a
DB
1734enable asm
1735enable debug
1736enable doc
1737enable fastdiv
497237c7 1738enable network
8400d6b8 1739enable optimizations
8cfbbd92 1740enable safe_bitstream_reader
530dc538 1741enable static
a9ddb5b1 1742enable swscale_alpha
8a608357 1743
8a608357 1744# build settings
9987769a 1745SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1746AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1747LIBPREF="lib"
1748LIBSUF=".a"
c5f14466
RP
1749FULLNAME='$(NAME)$(BUILDSUF)'
1750LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1751SLIBPREF="lib"
1752SLIBSUF=".so"
c5f14466 1753SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1754SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1755SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1756LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1757SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1758SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1759
68485d1f
MR
1760asflags_filter=echo
1761cflags_filter=echo
64933b6c
MR
1762ldflags_filter=echo
1763
23565c26 1764AS_C='-c'
bc877faf 1765AS_O='-o $@'
23565c26 1766CC_C='-c'
18031c49 1767CC_E='-E -o $@'
7e6c86e6 1768CC_O='-o $@'
a758c5e2 1769LD_O='-o $@'
23565c26 1770HOSTCC_C='-c'
a758c5e2 1771HOSTCC_O='-o $@'
7e6c86e6 1772
1d01fee9 1773host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
9da6609f 1774host_libs='-lm'
6c3fa06a
MR
1775host_cflags_filter=echo
1776host_ldflags_filter=echo
9da6609f 1777
9b861379 1778target_path='$(CURDIR)'
a7ada2ba 1779
a158446b
MR
1780# since the object filename is not given with the -MM flag, the compiler
1781# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
1782DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1783DEPFLAGS='-MM'
315c741d 1784
c597172e 1785# find source path
24524f36 1786if test -f configure; then
f038cf3c 1787 source_path=.
c597172e 1788else
8477f2de 1789 source_path=$(cd $(dirname "$0"); pwd)
c597172e 1790 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1791 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1792 test -e "$source_path/config.h" &&
1793 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1794fi
1795
13cbe2c0 1796for v in "$@"; do
b04251c5
MR
1797 r=${v#*=}
1798 l=${v%"$r"}
1799 r=$(sh_quote "$r")
29ba0911 1800 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 1801done
c597172e 1802
73ef8980
MR
1803find_things(){
1804 thing=$1
1805 pattern=$2
1806 file=$source_path/$3
932ccf39 1807 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1808}
1809
1810ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1811DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1812HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1813PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1814BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1815MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1816DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1817OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1818INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1819PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1820FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1821
54e75be4
DB
1822ALL_COMPONENTS="
1823 $BSF_LIST
1824 $DECODER_LIST
1825 $DEMUXER_LIST
1826 $ENCODER_LIST
1827 $FILTER_LIST
1828 $HWACCEL_LIST
1829 $INDEV_LIST
1830 $MUXER_LIST
1831 $OUTDEV_LIST
1832 $PARSER_LIST
1833 $PROTOCOL_LIST
1834"
1835
57442411 1836find_tests(){
b9d5f1b7 1837 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
57442411
MR
1838}
1839
57442411 1840LAVF_TESTS=$(find_tests lavf)
48c28162 1841LAVFI_TESTS=$(find_tests lavfi)
b9d5f1b7 1842SEEK_TESTS=$(find_tests seek seek_)
57442411 1843
7263cd55 1844ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
40fe5019 1845
8469ae22
MR
1846for n in $COMPONENT_LIST; do
1847 v=$(toupper ${n%s})_LIST
1848 eval enable \$$v
1849 eval ${n}_if_any="\$$v"
1850done
1851
54e75be4 1852enable $ARCH_EXT_LIST $ALL_TESTS
c597172e
MR
1853
1854die_unknown(){
1855 echo "Unknown option \"$1\"."
1856 echo "See $0 --help for available options."
1857 exit 1
1858}
1859
794f8e97 1860show_list() {
bf0c4afa
RP
1861 suffix=_$1
1862 shift
2b444ea7 1863 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1864 exit 0
1865}
1866
154caa67
MR
1867rand_list(){
1868 IFS=', '
1869 set -- $*
1870 unset IFS
1871 for thing; do
1872 comp=${thing%:*}
1873 prob=${thing#$comp}
1874 prob=${prob#:}
1875 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1876 echo "prob ${prob:-0.5}"
1877 printf '%s\n' $comp
1878 done
1879}
1880
1881do_random(){
1882 action=$1
1883 shift
1884 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1885 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1886}
1887
c597172e 1888for opt do
7483e694
DB
1889 optval="${opt#*=}"
1890 case "$opt" in
0f010b2f 1891 --extra-ldflags=*) add_ldflags $optval
7483e694 1892 ;;
0f010b2f 1893 --extra-libs=*) add_extralibs $optval
7483e694 1894 ;;
8fb1cb58 1895 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1896 ;;
40bcf4c7
BL
1897 --enable-debug=*) debuglevel="$optval"
1898 ;;
36e2dea0 1899 --disable-everything)
1b15dc3c 1900 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1901 ;;
154caa67
MR
1902 --enable-random|--disable-random)
1903 action=${opt%%-random}
1904 do_random ${action#--} $COMPONENT_LIST
1905 ;;
1906 --enable-random=*|--disable-random=*)
1907 action=${opt%%-random=*}
1908 do_random ${action#--} $optval
1909 ;;
7483e694 1910 --enable-*=*|--disable-*=*)
8b93ddc3 1911 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1912 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1913 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1914 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1915 $action $(filter "$name" $list)
7483e694
DB
1916 ;;
1917 --enable-?*|--disable-?*)
5e622c40 1918 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1919 if is_in $option $COMPONENT_LIST; then
fed5d54b 1920 test $action = disable && action=unset
e3773a55
MR
1921 eval $action \$$(toupper ${option%s})_LIST
1922 elif is_in $option $CMDLINE_SELECT; then
1923 $action $option
1924 else
1925 die_unknown $opt
1926 fi
7483e694
DB
1927 ;;
1928 --list-*)
1929 NAME="${opt#--list-}"
1930 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1931 NAME=${NAME%s}
1932 eval show_list $NAME \$$(toupper $NAME)_LIST
1933 ;;
1934 --help|-h) show_help
1935 ;;
1936 *)
884a36a7 1937 optname="${opt%%=*}"
26759c44
MR
1938 optname="${optname#--}"
1939 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1940 if is_in $optname $CMDLINE_SET; then
1941 eval $optname='$optval'
1942 elif is_in $optname $CMDLINE_APPEND; then
1943 append $optname "$optval"
1944 else
1945 die_unknown $opt
1946 fi
7483e694
DB
1947 ;;
1948 esac
c597172e
MR
1949done
1950
bcea99bb
MR
1951disabled logging && logfile=/dev/null
1952
29ba0911 1953echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
1954set >> $logfile
1955
9da6609f
MR
1956test -n "$cross_prefix" && enable cross_compile
1957
8d4c00ed
MR
1958if enabled cross_compile; then
1959 test -n "$arch" && test -n "$target_os" ||
1960 die "Must specify target arch and OS when cross-compiling"
1961fi
1962
1963set_default arch target_os
1964
121d78d0 1965ar_default="${cross_prefix}${ar_default}"
11e6d03a 1966cc_default="${cross_prefix}${cc_default}"
20e0ed95 1967nm_default="${cross_prefix}${nm_default}"
3f8040db 1968pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 1969ranlib="${cross_prefix}${ranlib}"
adb2b908 1970
c5200f17
MR
1971sysinclude_default="${sysroot}/usr/include"
1972
e0be794a 1973set_default cc nm pkg_config sysinclude
9da6609f
MR
1974enabled cross_compile || host_cc_default=$cc
1975set_default host_cc
13c7df3d 1976
762f95e4
MR
1977if ! $pkg_config --version >/dev/null 2>&1; then
1978 warn "$pkg_config not found, library detection may fail."
1979 pkg_config=false
1980fi
1981
82bb3329
MR
1982exesuf() {
1983 case $1 in
1c69c79f 1984 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
1985 esac
1986}
1987
1988EXESUF=$(exesuf $target_os)
1989HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1990
e4e69e0b 1991# set temporary file name
a49d42c2 1992: ${TMPDIR:=$TEMPDIR}
c51fafa1 1993: ${TMPDIR:=$TMP}
a49d42c2 1994: ${TMPDIR:=/tmp}
e4e69e0b 1995
a210bce2 1996if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
1997 # simple replacement for missing mktemp
1998 # NOT SAFE FOR GENERAL USE
1999 mktemp(){
09a5c245 2000 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2001 }
2002fi
2003
2004tmpfile(){
2005 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2006 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2007 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2008 append TMPFILES $tmp
2009 eval $1=$tmp
2010}
2011
2012trap 'rm -f -- $TMPFILES' EXIT
54460a83 2013
55127e7b 2014tmpfile TMPASM .asm
3e0b1c9a
DB
2015tmpfile TMPC .c
2016tmpfile TMPE $EXESUF
2017tmpfile TMPH .h
2018tmpfile TMPO .o
2019tmpfile TMPS .S
2020tmpfile TMPSH .sh
2021tmpfile TMPV .ver
54460a83
MR
2022
2023unset -f mktemp
e4e69e0b 2024
fb3c4ffc
MR
2025chmod +x $TMPE
2026
993f2d0f
MR
2027# make sure we can execute files in $TMPDIR
2028cat > $TMPSH 2>> $logfile <<EOF
2029#! /bin/sh
2030EOF
2031chmod +x $TMPSH >> $logfile 2>&1
2032if ! $TMPSH >> $logfile 2>&1; then
2033 cat <<EOF
2034Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2035variable to another directory and make sure that it is not mounted noexec.
2036EOF
2037 die "Sanity test failed."
2038fi
993f2d0f 2039
d0c6d424
MR
2040pgi_flags(){
2041 for flag; do
2042 case $flag in
2043 -fomit-frame-pointer) echo -Mnoframe ;;
2044 -g) echo -gopt ;;
2045 *) echo $flag ;;
2046 esac
2047 done
2048}
2049
2050suncc_flags(){
2051 for flag; do
2052 case $flag in
2053 -march=*|-mcpu=*)
2054 case "${flag#*=}" in
2055 native) echo -xtarget=native ;;
2056 v9|niagara) echo -xarch=sparc ;;
2057 ultrasparc) echo -xarch=sparcvis ;;
2058 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2059 i586|pentium) echo -xchip=pentium ;;
2060 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2061 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2062 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2063 pentium4*) echo -xtarget=pentium4 ;;
2064 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2065 *-sse3) echo -xarch=sse3 ;;
2066 core2) echo -xarch=ssse3 -xchip=core2 ;;
2067 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2068 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2069 k8|opteron|athlon64|athlon-fx)
2070 echo -xarch=sse2a ;;
2071 athlon*) echo -xarch=pentium_proa ;;
2072 esac
2073 ;;
2074 -std=c99) echo -xc99 ;;
2075 -fomit-frame-pointer) echo -xregs=frameptr ;;
2076 -fPIC) echo -KPIC -xcode=pic32 ;;
2077 -W*,*) echo $flag ;;
2078 -f*-*|-W*) ;;
2079 *) echo $flag ;;
2080 esac
2081 done
2082}
2083
2084tms470_flags(){
2085 for flag; do
2086 case $flag in
2087 -march=*|-mcpu=*)
2088 case "${flag#*=}" in
2089 armv7-a|cortex-a*) echo -mv=7a8 ;;
2090 armv7-r|cortex-r*) echo -mv=7r4 ;;
2091 armv7-m|cortex-m*) echo -mv=7m3 ;;
2092 armv6*|arm11*) echo -mv=6 ;;
2093 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2094 echo -mv=5e ;;
2095 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2096 esac
2097 ;;
2098 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2099 -mfpu=vfp) echo --float_support=vfpv2 ;;
2100 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2101 -msoft-float) echo --float_support=vfplib ;;
2102 -O[0-3]|-mf=*) echo $flag ;;
2103 -g) echo -g -mn ;;
2104 -pds=*) echo $flag ;;
ad93dccb
MR
2105 -D*|-I*) echo $flag ;;
2106 --gcc|--abi=*) echo $flag ;;
2107 -me) echo $flag ;;
d0c6d424
MR
2108 esac
2109 done
2110}
2111
a758c5e2
MR
2112probe_cc(){
2113 pfx=$1
2114 _cc=$2
2115
23565c26 2116 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags _ldflags
18031c49 2117 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2118 _flags_filter=echo
2119
2120 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2121 _type=llvm_gcc
2122 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2123 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2124 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2125 _cflags_speed='-O3'
2126 _cflags_size='-Os'
2127 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2128 _type=gcc
2129 gcc_version=$($_cc --version | head -n1)
2130 gcc_basever=$($_cc -dumpversion)
2131 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2132 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2133 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2134 if ! $_cc -dumpversion | grep -q '^2\.'; then
2135 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2136 fi
2137 _cflags_speed='-O3'
2138 _cflags_size='-Os'
2139 elif $_cc --version 2>/dev/null | grep -q Intel; then
2140 _type=icc
2141 _ident=$($_cc --version | head -n1)
2142 _depflags='-MMD'
2143 _cflags_speed='-O3'
2144 _cflags_size='-Os'
2145 _cflags_noopt='-O1'
2146 elif $_cc -v 2>&1 | grep -q xlc; then
2147 _type=xlc
2148 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2149 _cflags_speed='-O5'
2150 _cflags_size='-O5 -qcompact'
2151 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2152 _type=ccc
2153 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2154 _DEPFLAGS='-M'
2155 debuglevel=3
2156 _ldflags='-Wl,-z,now' # calls to libots crash without this
2157 _cflags_speed='-fast'
2158 _cflags_size='-O1'
2159 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2160 test -d "$sysroot" || die "No valid sysroot specified."
2161 _type=armcc
2162 _ident=$($_cc --vsn | head -n1)
2163 armcc_conf="$PWD/armcc.conf"
2164 $_cc --arm_linux_configure \
2165 --arm_linux_config_file="$armcc_conf" \
2166 --configure_sysroot="$sysroot" \
2167 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2168 die "Error creating armcc configuration file."
2169 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2170 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2171 as_default="${cross_prefix}gcc"
2172 _depflags='-MMD'
2173 _cflags_speed='-O3'
2174 _cflags_size='-Os'
2175 elif $_cc -version 2>/dev/null | grep -q TMS470; then
2176 _type=tms470
2177 _ident=$($_cc -version | head -n1 | tr -s ' ')
2178 _flags='--gcc --abi=eabi -me'
2179 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
18031c49 2180 _cc_e='-ppl -fe=$@'
a758c5e2
MR
2181 _cc_o='-fe=$@'
2182 as_default="${cross_prefix}gcc"
2183 ld_default="${cross_prefix}gcc"
2184 _depflags='-ppa -ppd=$(@:.o=.d)'
2185 _cflags_speed='-O3 -mf=5'
2186 _cflags_size='-O3 -mf=2'
2187 _flags_filter=tms470_flags
2188 elif $_cc -v 2>&1 | grep -q clang; then
2189 _type=clang
2190 _ident=$($_cc --version | head -n1)
2191 _depflags='-MMD'
2192 _cflags_speed='-O3'
2193 _cflags_size='-Os'
2194 elif $_cc -V 2>&1 | grep -q Sun; then
2195 _type=suncc
2196 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2197 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2198 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2199 _ldflags='-std=c99'
2200 _cflags_speed='-O5'
2201 _cflags_size='-O5 -xspace'
2202 _flags_filter=suncc_flags
2203 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2204 _type=pathscale
2205 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2206 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2207 _cflags_speed='-O2'
2208 _cflags_size='-Os'
2209 _flags_filter='filter_out -Wdisabled-optimization'
2210 elif $_cc -v 2>&1 | grep -q Open64; then
2211 _type=open64
2212 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2213 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2214 _cflags_speed='-O2'
2215 _cflags_size='-Os'
2216 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2217 elif $_cc -V 2>&1 | grep -q Portland; then
2218 _type=pgi
2219 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2220 opt_common='-alias=ansi -Mlre -Mpre'
2221 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2222 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2223 _cflags_noopt="-O1"
2224 _flags_filter=pgi_flags
aef6bd1b 2225 fi
a758c5e2
MR
2226
2227 eval ${pfx}_type=\$_type
2228 eval ${pfx}_ident=\$_ident
2229}
2230
2231set_ccvars(){
23565c26 2232 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2233 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2234 eval ${1}_O=\${_cc_o-\${${1}_O}}
2235
2236 if [ -n "$_depflags" ]; then
2237 eval ${1}_DEPFLAGS=\$_depflags
2238 else
2239 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2240 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2241 eval DEP${1}FLAGS=\$_flags
2242 fi
2243}
2244
2245probe_cc cc "$cc"
2246cflags_filter=$_flags_filter
2247cflags_speed=$_cflags_speed
2248cflags_size=$_cflags_size
2249cflags_noopt=$_cflags_noopt
2250add_cflags $_flags $_cflags
2251cc_ldflags=$_ldflags
2252set_ccvars CC
2253
2254probe_cc hostcc "$host_cc"
2255host_cflags_filter=$_flags_filter
2256host_ldflags_filter=$_flags_filter
2257add_host_cflags $_flags $_cflags
2258add_host_ldflags $_flags $_ldflags
2259set_ccvars HOSTCC
629687f6 2260
851ffa80
MR
2261test -n "$cc_type" && enable $cc_type ||
2262 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2263
75bafbac 2264: ${as_default:=$cc}
50567afa 2265: ${dep_cc_default:=$cc}
684b28e0 2266: ${ld_default:=$cc}
121d78d0 2267set_default ar as dep_cc ld
75800dce 2268
a758c5e2
MR
2269probe_cc as "$as"
2270asflags_filter=$_flags_filter
2271add_asflags $_flags $_cflags
2272set_ccvars AS
2273
2274probe_cc ld "$ld"
2275ldflags_filter=$_flags_filter
2276add_ldflags $_flags $_ldflags
2277test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2278LD_O=${_cc_o-$LD_O}
2279
2280if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2281 probe_cc depcc "$dep_cc"
2282 CCDEP=${_DEPCMD:-$DEPCMD}
2283 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2284 DEPCCFLAGS=$_flags
2285fi
07dec06e 2286
7f32f40c 2287add_cflags $extra_cflags
2f2e6c7c 2288add_asflags $extra_cflags
7f32f40c 2289
154d432c
MR
2290if test -n "$sysroot"; then
2291 case "$cc_type" in
00ba041c 2292 gcc|llvm_gcc|clang)
467256f2 2293 add_cppflags --sysroot="$sysroot"
154d432c
MR
2294 add_ldflags --sysroot="$sysroot"
2295 ;;
6fec122a
MR
2296 tms470)
2297 add_cppflags -I"$sysinclude"
2298 add_ldflags --sysroot="$sysroot"
2299 ;;
154d432c
MR
2300 esac
2301fi
2302
d22c13a8
MR
2303if test "$cpu" = host; then
2304 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2305
2306 case "$cc_type" in
613a4e3f 2307 gcc|llvm_gcc)
d22c13a8
MR
2308 check_native(){
2309 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2310 sed -n "/cc1.*$1=/{
27ce1be8
MR
2311 s/.*$1=\\([^ ]*\\).*/\\1/
2312 p
2313 q
2314 }" $TMPE
d22c13a8
MR
2315 }
2316 cpu=$(check_native -march || check_native -mcpu)
2317 ;;
2318 esac
2319
2320 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2321fi
2322
e939cedd
MR
2323# Deal with common $arch aliases
2324case "$arch" in
2325 arm*)
2326 arch="arm"
2327 ;;
2328 mips|mipsel|IP*)
2329 arch="mips"
2330 ;;
47b1860e 2331 mips64*)
e939cedd
MR
2332 arch="mips"
2333 subarch="mips64"
2334 ;;
2335 parisc|hppa)
2336 arch="parisc"
2337 ;;
2338 parisc64|hppa64)
2339 arch="parisc"
2340 subarch="parisc64"
2341 ;;
2342 "Power Macintosh"|ppc|powerpc)
2343 arch="ppc"
2344 ;;
47b1860e 2345 ppc64|powerpc64)
e939cedd
MR
2346 arch="ppc"
2347 subarch="ppc64"
2348 ;;
2349 s390|s390x)
2350 arch="s390"
2351 ;;
2352 sh4|sh)
2353 arch="sh4"
2354 ;;
2355 sun4u|sparc64)
2356 arch="sparc"
2357 subarch="sparc64"
2358 ;;
d33ed7b3 2359 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2360 arch="x86"
2361 ;;
2362esac
2363
851ffa80 2364is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2365enable $arch
e939cedd 2366
df5cdc24 2367# Add processor-specific flags
5d54c126
MR
2368if test "$cpu" = generic; then
2369 : do nothing
2370elif enabled ppc; then
343aef9b 2371
56348891
MR
2372 case $(tolower $cpu) in
2373 601|ppc601|powerpc601)
9dbd5c3d 2374 cpuflags="-mcpu=601"
64ad53ff 2375 disable altivec
9dbd5c3d 2376 ;;
56348891 2377 603*|ppc603*|powerpc603*)
9dbd5c3d 2378 cpuflags="-mcpu=603"
64ad53ff 2379 disable altivec
9dbd5c3d 2380 ;;
56348891 2381 604*|ppc604*|powerpc604*)
9dbd5c3d 2382 cpuflags="-mcpu=604"
64ad53ff 2383 disable altivec
9dbd5c3d 2384 ;;
56348891 2385 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2386 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2387 disable altivec
9dbd5c3d 2388 ;;
56348891 2389 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2390 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2391 ;;
56348891 2392 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2393 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2394 ;;
313f9fbf 2395 g5|970|ppc970|powerpc970)
9dbd5c3d
MR
2396 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2397 ;;
313f9fbf
SM
2398 power[3-7]*)
2399 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2400 ;;
56348891 2401 cell)
9dbd5c3d
MR
2402 cpuflags="-mcpu=cell"
2403 enable ldbrx
2404 ;;
4ab26cb4
DB
2405 e500mc)
2406 cpuflags="-mcpu=e500mc"
2407 disable altivec
2408 ;;
7b0b81a1
AL
2409 e500v2)
2410 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2411 disable altivec
2412 ;;
2413 e500)
2414 cpuflags="-mcpu=8540 -mhard-float"
2415 disable altivec
2416 ;;
9dbd5c3d 2417 esac
343aef9b
MR
2418
2419elif enabled x86; then
2420
9dbd5c3d
MR
2421 case $cpu in
2422 i[345]86|pentium)
2423 cpuflags="-march=$cpu"
2424 disable mmx
2425 ;;
2426 # targets that do NOT support conditional mov (cmov)
2427 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2428 cpuflags="-march=$cpu"
2429 disable cmov
2430 ;;
2431 # targets that do support conditional mov (cmov)
9ddf1b1a 2432 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
9dbd5c3d
MR
2433 cpuflags="-march=$cpu"
2434 enable cmov
2435 enable fast_cmov
2436 ;;
2437 # targets that do support conditional mov but on which it's slow
2438 pentium4|pentium4m|prescott|nocona)
2439 cpuflags="-march=$cpu"
2440 enable cmov
2441 disable fast_cmov
2442 ;;
2443 esac
343aef9b
MR
2444
2445elif enabled sparc; then
2446
9dbd5c3d 2447 case $cpu in
26b7199e
MK
2448 niagara)
2449 cpuflags="-mcpu=$cpu"
2450 disable vis
2451 ;;
9dbd5c3d
MR
2452 sparc64)
2453 cpuflags="-mcpu=v9"
2454 ;;
2455 esac
343aef9b
MR
2456
2457elif enabled arm; then
2458
34ba23c9
MR
2459 case $cpu in
2460 armv*)
2461 cpuflags="-march=$cpu"
c2eae137 2462 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
34ba23c9
MR
2463 ;;
2464 *)
2465 cpuflags="-mcpu=$cpu"
c2eae137
MR
2466 case $cpu in
2467 cortex-a*) subarch=armv7a ;;
2468 cortex-r*) subarch=armv7r ;;
9e19704a 2469 cortex-m*) enable thumb; subarch=armv7m ;;
c2eae137
MR
2470 arm11*) subarch=armv6 ;;
2471 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2472 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2473 esac
34ba23c9
MR
2474 ;;
2475 esac
343aef9b
MR
2476
2477elif enabled alpha; then
2478
34ba23c9 2479 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2480
2481elif enabled bfin; then
2482
34ba23c9 2483 cpuflags="-mcpu=$cpu"
343aef9b
MR
2484
2485elif enabled mips; then
2486
34ba23c9 2487 cpuflags="-march=$cpu"
343aef9b
MR
2488
2489elif enabled avr32; then
2490
9dbd5c3d
MR
2491 case $cpu in
2492 ap7[02]0[0-2])
2493 subarch="avr32_ap"
2494 cpuflags="-mpart=$cpu"
2495 ;;
2496 ap)
2497 subarch="avr32_ap"
2498 cpuflags="-march=$cpu"
2499 ;;
2500 uc3[ab]*)
2501 subarch="avr32_uc"
2502 cpuflags="-mcpu=$cpu"
2503 ;;
2504 uc)
2505 subarch="avr32_uc"
2506 cpuflags="-march=$cpu"
2507 ;;
2508 esac
df5cdc24 2509
343aef9b
MR
2510fi
2511
df5cdc24
MR
2512add_cflags $cpuflags
2513add_asflags $cpuflags
2514
993f2d0f
MR
2515# compiler sanity check
2516check_exec <<EOF
2517int main(void){ return 0; }
2518EOF
2519if test "$?" != 0; then
2520 echo "$cc is unable to create an executable file."
2521 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2522 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2523 echo "Only do this if you know what cross compiling means."
2524 fi
2525 die "C compiler test failed."
2526fi
2527
046f081b 2528add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2529check_cflags -std=c99
50a334e4 2530check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2531#include <stdlib.h>
2532EOF
50a334e4 2533check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2534#include <stdlib.h>
2535EOF
e9b9a2f8 2536
f0125de9 2537check_host_cflags -std=c99
0a6db2a2 2538check_host_cflags -Wall
f0125de9 2539
b24dbcbd 2540case "$arch" in
e939cedd 2541 alpha|ia64|mips|parisc|sparc)
8a3c8627 2542 spic=$shared
b24dbcbd 2543 ;;
e939cedd 2544 x86)
cfdb6148 2545 subarch="x86_32"
5adc829e 2546 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
de27f4d9 2547 if test "$subarch" = "x86_64"; then
e939cedd 2548 spic=$shared
de27f4d9 2549 fi
b24dbcbd 2550 ;;
b24dbcbd
RP
2551esac
2552
343aef9b 2553enable $subarch
8a3c8627 2554enabled spic && enable pic
b24dbcbd 2555
7483e694 2556# OS specific
4f854758 2557case $target_os in
a1629e28 2558 haiku)
63ae7e7c 2559 prefix_default="/boot/common"
108caaaa 2560 network_extralibs="-lnetwork"
f59c4bd6 2561 host_libs=
a1629e28 2562 ;;
7483e694 2563 sunos)
4d58e4cb 2564 AVSERVERLDFLAGS=""
9987769a 2565 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2566 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2567 network_extralibs="-lsocket -lnsl"
779222db 2568 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2569 # When using suncc to build, the Solaris linker will mark
2570 # an executable with each instruction set encountered by
2571 # the Solaris assembler. As our libraries contain their own
2572 # guards for processor-specific code, instead suppress
2573 # generation of the HWCAPS ELF section on Solaris x86 only.
2574 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
8182dc34 2575 nm_opts='-P -g'
7483e694
DB
2576 ;;
2577 netbsd)
a1e4b3f6 2578 disable symver
07a8eef6
MR
2579 oss_indev_extralibs="-lossaudio"
2580 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2581 ;;
2582 openbsd)
7c4a001a 2583 # On OpenBSD 4.5. the compiler does not use PIC unless
070c5d0f 2584 # explicitly using -fPIC. Libav builds fine without PIC,
7c4a001a
MR
2585 # however the generated executable will not do anything
2586 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2587 # Thus explicitly enable PIC here.
cd78208b 2588 enable pic
a1e4b3f6 2589 disable symver
7483e694 2590 SHFLAGS='-shared'
07a8eef6
MR
2591 oss_indev_extralibs="-lossaudio"
2592 oss_outdev_extralibs="-lossaudio"
7483e694 2593 ;;
a1e4b3f6 2594 dragonfly)
a1e4b3f6
MR
2595 disable symver
2596 ;;
2597 freebsd)
7483e694
DB
2598 ;;
2599 bsd/os)
355d81df 2600 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2601 ;;
2602 darwin)
301ab19d 2603 gas="gas-preprocessor.pl $cc"
e08b8239 2604 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 2605 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 2606 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 2607 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2608 SLIBSUF=".dylib"
2609 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2610 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 2611 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2612 objformat="macho"
1b0f6fb8 2613 enabled x86_64 && objformat="macho64"
8dfa86f7 2614 enabled_any pic shared ||
2704bd1a 2615 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2616 ;;
2617 mingw32*)
9d3f4f50 2618 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2619 disable network
2620 else
2621 target_os=mingw32
2622 fi
dcc01c06 2623 LIBTARGET=i386
1fc9fb8a 2624 if enabled x86_64; then
417516f6 2625 LIBTARGET="i386:x86-64"
336cc1b0 2626 elif enabled arm; then
15c5156d 2627 LIBTARGET=arm-wince
dcc01c06 2628 fi
fbd971a4 2629 shlibdir_default="$bindir_default"
7483e694
DB
2630 SLIBPREF=""
2631 SLIBSUF=".dll"
7483e694
DB
2632 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2633 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2f138f0b
MR
2634 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2635 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2636 SLIB_INSTALL_LINKS=
2637 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2638 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4b51fb1c 2639 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 2640 objformat="win32"
ec10a9ab 2641 dlltool="${cross_prefix}dlltool"
bc574408 2642 enable dos_paths
1894e741 2643 check_cflags -fno-common
e26011d0
RP
2644 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2645 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2646 die "ERROR: MinGW runtime version must be >= 3.15."
5666a9f2 2647 add_cppflags -U__STRICT_ANSI__
7483e694
DB
2648 ;;
2649 cygwin*)
4f854758 2650 target_os=cygwin
fbd971a4 2651 shlibdir_default="$bindir_default"
7483e694
DB
2652 SLIBPREF="cyg"
2653 SLIBSUF=".dll"
2654 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2655 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
2656 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2657 SLIB_INSTALL_LINKS=
2658 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2659 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 2660 objformat="win32"
bc574408 2661 enable dos_paths
1894e741 2662 check_cflags -fno-common
a7a187a1 2663 add_cppflags -U__STRICT_ANSI__
7483e694 2664 ;;
4f365f37 2665 *-dos|freedos|opendos)
4f365f37 2666 network_extralibs="-lsocket"
ff1c015d 2667 objformat="coff"
bc574408 2668 enable dos_paths
a7a187a1 2669 add_cppflags -U__STRICT_ANSI__
4f365f37 2670 ;;
7483e694 2671 linux)
046f081b 2672 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
7483e694
DB
2673 enable dv1394
2674 ;;
2675 irix*)
4f854758 2676 target_os=irix
7483e694
DB
2677 ranlib="echo ignoring ranlib"
2678 ;;
d22e8442 2679 os/2*)
d22e8442 2680 ln_s="cp -f"
9297f1ed 2681 objformat="aout"
e14574eb 2682 add_cppflags -D_GNU_SOURCE
355d81df 2683 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2684 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 2685 AVSERVERLDFLAGS=""
287d3b13 2686 LIBSUF="_s.a"
d22e8442
DY
2687 SLIBPREF=""
2688 SLIBSUF=".dll"
2689 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2690 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2691 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2692 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2693 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2694 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2695 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2696 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2697 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2698 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 2699 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 2700 enable dos_paths
d22e8442 2701 ;;
83993c1c 2702 gnu/kfreebsd)
c1f54478 2703 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
83993c1c 2704 ;;
34e82167 2705 gnu)
f60d1366 2706 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
34e82167 2707 ;;
d33ed7b3
MR
2708 qnx)
2709 add_cppflags -D_QNX_SOURCE
2710 network_extralibs="-lsocket"
2711 ;;
1c69c79f
MS
2712 symbian)
2713 SLIBSUF=".dll"
2714 enable dos_paths
e3bc07f4
MS
2715 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2716 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2717 add_ldflags -Wl,--target1-abs,--no-undefined \
2718 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2719 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2720 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2721 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2722 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 2723 ;;
614d8911
MR
2724 none)
2725 ;;
7483e694 2726 *)
4f924f9a 2727 die "Unknown OS '$target_os'."
7483e694
DB
2728 ;;
2729esac
2730
6555acad
MR
2731esc(){
2732 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2733}
2734
2735echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 2736
13cb2187
AS
2737check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2738
c9d19248
MR
2739set_default $PATHS_LIST
2740
320d060a 2741# we need to build at least one lib type
93b3c083 2742if ! enabled_any static shared; then
320d060a
DB
2743 cat <<EOF
2744At least one library type must be built.
2745Specify --enable-static to build the static libraries or --enable-shared to
2746build the shared libraries as well. To only build the shared libraries specify
2747--disable-static in addition to --enable-shared.
2748EOF
2749 exit 1;
2750fi
2751
2184c6f7 2752die_license_disabled() {
4c27207c 2753 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2754}
2755
e417d80d 2756die_license_disabled gpl libcdio
2184c6f7 2757die_license_disabled gpl libx264
de295976 2758die_license_disabled gpl libxavs
2184c6f7 2759die_license_disabled gpl libxvid
2184c6f7
DB
2760die_license_disabled gpl x11grab
2761
2f7ae63b 2762die_license_disabled nonfree libfaac
87246953 2763die_license_disabled nonfree libfdk_aac
a060866f 2764die_license_disabled nonfree openssl
b2e3c528 2765
0b175caa
DB
2766die_license_disabled version3 libopencore_amrnb
2767die_license_disabled version3 libopencore_amrwb
d89e738a 2768die_license_disabled version3 libvo_aacenc
f502ff3f 2769die_license_disabled version3 libvo_amrwbenc
0b175caa 2770
9cad0e4e 2771enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2772
40617a6d 2773disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2774
e276d9e8
MR
2775enable_pic() {
2776 enable pic
bce7b696
MR
2777 add_cppflags -DPIC
2778 add_cflags -fPIC
2779 add_asflags -fPIC
e276d9e8
MR
2780}
2781
2782enabled pic && enable_pic
bce7b696 2783
b4d96ba2
MR
2784check_cc <<EOF || die "Symbol mangling check failed."
2785int ff_extern;
2786EOF
8182dc34 2787sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2788extern_prefix=${sym%%ff_extern*}
2789
f65883c8
MR
2790check_cc <<EOF && enable inline_asm
2791void foo(void) { __asm__ volatile ("" ::); }
2792EOF
61d251db 2793
df5e3978
MR
2794_restrict=
2795for restrict_keyword in restrict __restrict__ __restrict; do
2796 check_cc <<EOF && _restrict=$restrict_keyword && break
2797void foo(char * $restrict_keyword p);
2798EOF
2799done
2800
2801check_cc <<EOF && enable attribute_packed
2802struct { int x; } __attribute__((packed)) x;
2803EOF
2804
dffb41b9
MR
2805check_cc <<EOF && enable attribute_may_alias
2806union { int x; } __attribute__((may_alias)) x;
2807EOF
2808
df5e3978
MR
2809check_cc <<EOF || die "endian test failed"
2810unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2811EOF
48fc536a 2812od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2813
e939cedd
MR
2814if enabled alpha; then
2815
2816 check_cflags -mieee
2817
2818elif enabled arm; then
e45391bb 2819
8986fddc 2820 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 2821 nogas=die
50fa82e6 2822
44caaa56
MR
2823 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2824 enable vfp_args
2825 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2826 case "${cross_prefix:-$cc}" in
2827 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2828 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
2829__asm__ (".eabi_attribute 28, 1");
2830int main(void) { return 0; }
2831EOF
44caaa56
MR
2832 esac
2833 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2834 fi
fa0912fe 2835
575db883
DB
2836 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
2837 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
2838 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
2839 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
2840 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
2841 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
e45391bb 2842
575db883
DB
2843 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
2844 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
6308729e 2845
e276d9e8
MR
2846 enabled_all armv6t2 shared !pic && enable_pic
2847
fa0912fe 2848elif enabled mips; then
e45391bb 2849
575db883
DB
2850 check_inline_asm loongson '"dmult.g $1, $2, $3"'
2851 enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
e45391bb 2852
fa0912fe 2853elif enabled ppc; then
e45391bb 2854
e6a0c354
MR
2855 enable local_aligned_8 local_aligned_16
2856
575db883
DB
2857 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2858 check_inline_asm ibm_asm '"add 0, 0, 0"'
2859 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
2860 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2861
2862 # AltiVec flags: The FSF version of GCC differs from the Apple version
2863 if enabled altivec; then
301ab19d 2864 nogas=warn
fa0912fe
MR
2865 check_cflags -maltivec -mabi=altivec &&
2866 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2867 check_cflags -faltivec
2868
2869 # check if our compiler supports Motorola AltiVec C API
2870 check_cc <<EOF || disable altivec
2871$inc_altivec_h
2872int main(void) {
2873 vector signed int v1, v2, v3;
2874 v1 = vec_add(v2,v3);
2875 return 0;
2876}
2877EOF
2878
2879 # check if our compiler supports braces for vector declarations
2880 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2881$inc_altivec_h
2882int main (void) { (vector int) {1}; return 0; }
2883EOF
2884 fi
e45391bb 2885
fa0912fe 2886elif enabled sparc; then
e45391bb 2887
575db883
DB
2888 enabled vis &&
2889 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
fa0912fe 2890 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2891
fa0912fe 2892elif enabled x86; then
e45391bb 2893
3f150ffb 2894 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
c0ee695b 2895 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
8e85ba8d 2896 check_code ld intrin.h "__rdtsc()" && enable rdtsc
358d854d 2897 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
8e85ba8d 2898
f80ddd5b
RB
2899 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2900
e6a0c354
MR
2901 enable local_aligned_8 local_aligned_16
2902
44965991
PI
2903 # check whether EBP is available on x86
2904 # As 'i' is stored on the stack, this program will crash
2905 # if the base pointer is used to access it because the
2906 # base pointer is cleared in the inline assembly code.
7dfef245 2907 check_exec_crash <<EOF && enable ebp_available
44965991 2908 volatile int i=0;
be449fca 2909 __asm__ volatile (
44965991
PI
2910 "xorl %%ebp, %%ebp"
2911 ::: "%ebp");
2912 return i;
44965991
PI
2913EOF
2914
f494213c 2915 # check whether EBX is available on x86
575db883
DB
2916 check_inline_asm ebx_available '""::"b"(0)' &&
2917 check_inline_asm ebx_available '"":::"%ebx"'
8e380710 2918
6f74fb03 2919 # check whether xmm clobbers are supported
575db883 2920 check_inline_asm xmm_clobbers '"":::"%xmm0"'
6f74fb03 2921
239fdf1b 2922 # check whether binutils is new enough to compile SSSE3/MMXEXT
575db883
DB
2923 enabled ssse3 && check_inline_asm ssse3 '"pabsw %xmm0, %xmm0"'
2924 enabled mmxext && check_inline_asm mmxext '"pmaxub %mm0, %mm1"'
6bd859d6 2925
9cca1e40 2926 if ! disabled_any asm mmx yasm; then
b6c06894
MR
2927 if check_cmd $yasmexe --version; then
2928 enabled x86_64 && yasm_extra="-m amd64"
2929 yasm_debug="-g dwarf2"
2930 elif check_cmd nasm -v; then
2931 yasmexe=nasm
2932 yasm_debug="-g -F dwarf"
2933 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2934 fi
2935
2936 YASMFLAGS="-f $objformat $yasm_extra"
2937 enabled pic && append YASMFLAGS "-DPIC"
2938 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2939 case "$objformat" in
2940 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2941 esac
2942
48545a8f 2943 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
25432e85 2944 die "yasm not found, use --disable-yasm for a crippled build"
429059f8 2945 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
79687079 2946 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
180d43bc 2947 check_yasm "CPU amdnop" && enable cpunop
31a0dcb2 2948 fi
e45391bb 2949
669b5583
MR
2950 case "$cpu" in
2951 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2952 disable fast_clz
2953 ;;
2954 esac
2955
44965991
PI
2956fi
2957
301ab19d
MR
2958if enabled asm; then
2959 as=${gas:=$as}
575db883 2960 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
301ab19d
MR
2961 $nogas "GNU assembler not found, install gas-preprocessor"
2962fi
2963
4a7e068b
MR
2964check_ldflags -Wl,--as-needed
2965
a98bb16d
RP
2966if check_func dlopen; then
2967 ldl=
2968elif check_func dlopen -ldl; then
2969 ldl=-ldl
8bf5d58f
MN
2970fi
2971
54fe299b
DV
2972if enabled network; then
2973 check_type "sys/types.h sys/socket.h" socklen_t
2974 check_type netdb.h "struct addrinfo"
75d339e0
MS
2975 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2976 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
54fe299b
DV
2977 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2978 check_type netinet/in.h "struct sockaddr_in6"
cdee08e3 2979 check_type poll.h "struct pollfd"
54fe299b
DV
2980 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2981 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
83c93fe7 2982 check_type netinet/sctp.h "struct sctp_event_subscribe"
f06dee77 2983 check_func getaddrinfo $network_extralibs
54fe299b
DV
2984 # Prefer arpa/inet.h over winsock2
2985 if check_header arpa/inet.h ; then
2986 check_func closesocket
2987 elif check_header winsock2.h ; then
47876d66
DB
2988 check_func_headers winsock2.h closesocket -lws2 &&
2989 network_extralibs="-lws2" ||
2990 { check_func_headers winsock2.h closesocket -lws2_32 &&
54fe299b 2991 network_extralibs="-lws2_32"; }
f06dee77 2992 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
54fe299b
DV
2993 check_type ws2tcpip.h socklen_t
2994 check_type ws2tcpip.h "struct addrinfo"
75d339e0
MS
2995 check_type ws2tcpip.h "struct group_source_req"
2996 check_type ws2tcpip.h "struct ip_mreq_source"
54fe299b 2997 check_type ws2tcpip.h "struct ipv6_mreq"
cdee08e3 2998 check_type winsock2.h "struct pollfd"
54fe299b
DV
2999 check_type ws2tcpip.h "struct sockaddr_in6"
3000 check_type ws2tcpip.h "struct sockaddr_storage"
3001 check_struct winsock2.h "struct sockaddr" sa_len
3002 else
3003 disable network
3004 fi
3005fi
3006
75ecf149
DB
3007# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3008check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3009
534a2231 3010check_func fcntl
7483e694
DB
3011check_func fork
3012check_func gethrtime
667fb97a 3013check_func getopt
7483e694 3014check_func getrusage
fc5607f8 3015check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
61183b5a 3016check_func gettimeofday
094c09bb 3017check_func inet_aton $network_extralibs
abfc8d05 3018check_func isatty
a5b64584 3019check_func localtime_r
4ae40685 3020check_func ${malloc_prefix}memalign && enable memalign
7483e694 3021check_func mkstemp
0328b9ea 3022check_func mmap
4ae40685 3023check_func ${malloc_prefix}posix_memalign && enable posix_memalign
be1a839c 3024check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
0104b608 3025check_func setrlimit
87958234 3026check_func strerror_r
6379900c 3027check_func strptime
47941088 3028check_func strtok_r
ea4d5f48 3029check_func sched_getaffinity
bcc73960 3030check_func sysconf
b9e22269 3031check_func sysctl
d3d3a32c 3032check_func usleep
b507ebd1 3033check_func_headers io.h setmode
b4675d0f 3034check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
fc5607f8 3035check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
02e8f427 3036check_func_headers windows.h GetProcessAffinityMask
2446d3d6 3037check_func_headers windows.h GetProcessTimes
61183b5a 3038check_func_headers windows.h GetSystemTimeAsFileTime
73f6d31e 3039check_func_headers windows.h MapViewOfFile
d3d3a32c 3040check_func_headers windows.h Sleep
7c5bfe7a 3041check_func_headers windows.h VirtualAlloc
6ffa87d3 3042
a98bb16d 3043check_header dlfcn.h
fa845061 3044check_header dxva.h
92c6a099 3045check_header dxva2api.h
3b1ab197 3046check_header io.h
a98bb16d 3047check_header malloc.h
bf6ce82d 3048check_header poll.h
b58412f1 3049check_header sys/mman.h
06bb5905 3050check_header sys/param.h
b091aa44 3051check_header sys/resource.h
bf6ce82d 3052check_header sys/select.h
e64bceea 3053check_header sys/time.h
542920b7 3054check_header unistd.h
272081b0
CEH
3055check_header vdpau/vdpau.h
3056check_header vdpau/vdpau_x11.h
d3d3a32c 3057check_header windows.h
68178ca9 3058check_header X11/extensions/XvMClib.h
a98bb16d 3059
a4fa192c 3060disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 3061disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4 3062
ff3755cb
JG
3063if ! disabled w32threads && ! enabled pthreads; then
3064 check_func _beginthreadex && enable w32threads
3065fi
3066
57bd82d4
MR
3067# check for some common methods of building with pthread support
3068# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
3069if ! disabled pthreads && ! enabled w32threads; then
3070 enable pthreads
9e7fd101
MR
3071 if check_func pthread_create; then
3072 :
3073 elif check_func pthread_create -pthread; then
3074 add_cflags -pthread
afc9aee2 3075 add_extralibs -pthread
9e7fd101
MR
3076 elif check_func pthread_create -pthreads; then
3077 add_cflags -pthreads
afc9aee2 3078 add_extralibs -pthreads
8d94f606
GT
3079 elif check_func pthread_create -lpthreadGC2; then
3080 add_extralibs -lpthreadGC2
9e7fd101 3081 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 3082 disable pthreads
9e7fd101 3083 fi
57bd82d4
MR
3084fi
3085
8eee7025 3086for thread in $THREADS_LIST; do
e5f94c2b 3087 if enabled $thread; then
3ae3b721
RP
3088 test -n "$thread_type" &&
3089 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 3090 thread_type="$thread"
e5f94c2b
RP
3091 fi
3092done
3093
50f7c296 3094check_lib math.h sin -lm && LIBM="-lm"
f3e3f28e 3095enabled vaapi && require vaapi va/va.h vaInitialize -lva
fdf88598 3096
15333562 3097check_mathfunc cbrtf
645d2652
MR
3098check_mathfunc exp2
3099check_mathfunc exp2f
46df708b
MS
3100check_mathfunc isinf
3101check_mathfunc isnan
645d2652 3102check_mathfunc llrint
07876e25 3103check_mathfunc llrintf
645d2652
MR
3104check_mathfunc log2
3105check_mathfunc log2f
3106check_mathfunc lrint
3107check_mathfunc lrintf
183b1c22 3108check_mathfunc rint
645d2652
MR
3109check_mathfunc round
3110check_mathfunc roundf
23d3931a 3111check_mathfunc trunc
645d2652 3112check_mathfunc truncf
f32adb22 3113
57bd82d4 3114# these are off by default, so fail if requested and not available
a1b3c5a3 3115enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
47941088 3116enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
bc8c1395 3117enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
79fda097 3118enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
37eeb5e2 3119enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
a5b64584 3120enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
5af41508 3121enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3641b048 3122enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
9b9d3868 3123enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
eb7626a3
MR
3124enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3125enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4fa18c56 3126enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3d6fac8c 3127enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0de9c41f 3128enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4fa18c56
MR
3129enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3130enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
ae14f311 3131enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 3132enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
d89e738a 3133enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
f502ff3f 3134enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
7483e694 3135enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
7d07d6f5
DB
3136enabled libvpx && {
3137 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3138 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3139 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3140 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
eb7626a3 3141enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
46c3c53b
AK
3142 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3143 die "ERROR: libx264 version must be >= 0.118."; }
de295976 3144enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2bfecf73 3145enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
a060866f
MS
3146enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3147 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3148 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3149 die "ERROR: openssl not found"; }
8ac17293 3150
acd554c1
SP
3151if enabled gnutls; then
3152 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3153 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3154fi
3155
0b4a1821
AS
3156# libdc1394 check
3157if enabled libdc1394; then
3158 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3159 enable libdc1394_2; } ||
3160 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3161 enable libdc1394_1; } ||
3162 die "ERROR: No version of libdc1394 found "
3163fi
3164
9bd41bb1 3165if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
aa692d54
MR
3166 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3167 enable sdl &&
3168 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 3169fi
57bd82d4 3170
2270b4b2 3171texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 3172
c6f95144 3173check_header linux/fb.h
06e31011 3174check_header linux/videodev2.h
a6a4793d
LB
3175check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3176
1b6e8b73 3177check_header sys/videoio.h
47f38850 3178
27796dc3 3179check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
3180# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3181# w32api 3.12 had it defined wrong
3182check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 3183
f8aa696f 3184# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
3185{ check_header dev/bktr/ioctl_meteor.h &&
3186 check_header dev/bktr/ioctl_bt848.h; } ||
3187{ check_header machine/ioctl_meteor.h &&
3188 check_header machine/ioctl_bt848.h; } ||
3189{ check_header dev/video/meteor/ioctl_meteor.h &&
3190 check_header dev/video/bktr/ioctl_bt848.h; } ||
3191check_header dev/ic/bt8xx.h
f8aa696f 3192
15d59d2c 3193check_header sndio.h
c7682de0
RP
3194check_header sys/soundcard.h
3195check_header soundcard.h
deb29777 3196
b6f3d925 3197enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 3198
8772997d
SM
3199enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3200 check_func jack_port_get_latency_range -ljack
80ff8a16 3201
15d59d2c
B
3202enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3203
e417d80d
AK
3204enabled libcdio &&
3205 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3206
4a584eda
JA
3207enabled x11grab &&
3208require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3209require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3210require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
f58f4ce1 3211
ac3dbb4d
SZ
3212# check for VDA header
3213if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
be1e8725 3214 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
ac3dbb4d
SZ
3215fi
3216
598ef02b 3217if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
3218check_cpp_condition \
3219 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
3220 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3221 disable vdpau; }
abf649c7 3222fi
deda2a4a 3223
95e561ec 3224enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
3225
3226# add some useful compiler flags if supported
3227check_cflags -Wdeclaration-after-statement
dcd479c0 3228check_cflags -Wall
440e3b2f 3229check_cflags -Wno-parentheses
dcd479c0 3230check_cflags -Wno-switch
b36518dc 3231check_cflags -Wno-format-zero-length
c07bd6a9
MN
3232check_cflags -Wdisabled-optimization
3233check_cflags -Wpointer-arith
3234check_cflags -Wredundant-decls
cc1fb623 3235check_cflags -Wno-pointer-sign
f4929996 3236check_cflags -Wcast-qual
9aceb3cf 3237check_cflags -Wwrite-strings
652a5bf6 3238check_cflags -Wtype-limits
764551c6 3239check_cflags -Wundef
fc298fd9 3240check_cflags -Wmissing-prototypes
c2ed91de 3241check_cflags -Wstrict-prototypes
5af4e0cc 3242enabled extra_warnings && check_cflags -Winline
cf9d24ad 3243
57bd82d4 3244# add some linker flags
5c0e9479 3245check_ldflags -Wl,--warn-common
3510a133 3246check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
fef2d661 3247test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
94a3401e 3248
47876d66 3249enabled xmm_clobber_test &&
7e4d9d5d
RB
3250 check_ldflags -Wl,--wrap,avcodec_open2 \
3251 -Wl,--wrap,avcodec_decode_audio4 \
3252 -Wl,--wrap,avcodec_decode_video2 \
3253 -Wl,--wrap,avcodec_decode_subtitle2 \
3254 -Wl,--wrap,avcodec_encode_audio2 \