regtest: rename seektest ref files using alphanumeric chars only
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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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 "$1" > /dev/null 2>&1 && exec "$@"
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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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 "$0" "$@"
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
19bd477d 64 --logfile=FILE log tests and output to FILE [config.log]
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65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
06454877 93 --enable-avfilter-lavf video filters dependent on avformat [no]
0dbfc1db 94 --disable-pthreads disable pthreads [auto]
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95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
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98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
7f3f5f46 104 --disable-dct disable DCT code
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105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
92c6a099 112 --disable-dxva2 disable DXVA2 code
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113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 116 --disable-everything disable all components listed below
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117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
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170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 175 --enable-librtmp enable RTMP[E] support via librtmp [no]
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176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
8299a7f8 181 --enable-libvpx enable VP8 support via libvpx [no]
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182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
121d78d0 198 --ar=AR use archive tool AR [$ar_default]
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199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
c8a4ae00 214 --disable-asm disable all assembler optimizations
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215 --disable-altivec disable AltiVec optimizations
216 --disable-amd3dnow disable 3DNow! optimizations
217 --disable-amd3dnowext disable 3DNow! extended optimizations
218 --disable-mmx disable MMX optimizations
219 --disable-mmx2 disable MMX2 optimizations
220 --disable-sse disable SSE optimizations
221 --disable-ssse3 disable SSSE3 optimizations
222 --disable-armv5te disable armv5te optimizations
223 --disable-armv6 disable armv6 optimizations
224 --disable-armv6t2 disable armv6t2 optimizations
225 --disable-armvfp disable ARM VFP optimizations
226 --disable-iwmmxt disable iwmmxt optimizations
227 --disable-mmi disable MMI optimizations
228 --disable-neon disable neon optimizations
229 --disable-vis disable VIS optimizations
230 --disable-yasm disable use of yasm assembler
231 --enable-pic build position-independent code
4ae40685 232 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 233 --enable-sram allow use of on-chip SRAM
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234
235Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
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238 --disable-optimizations disable compiler optimizations
239 --enable-extra-warnings enable more compiler warnings
240 --disable-stripping disable stripping of executables and shared libraries
2fad0977 241 --samples=PATH location of test samples for FATE
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242
243NOTE: Object files are built at the place where configure is launched.
244EOF
60e8bc13 245 exit 0
74c53c2d 246}
cf9d24ad 247
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248quotes='""'
249
57bd82d4 250log(){
2270b4b2 251 echo "$@" >> $logfile
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252}
253
720c69da 254log_file(){
c8e9f801 255 log BEGIN $1
2270b4b2 256 pr -n -t $1 >> $logfile
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257 log END $1
258}
259
2ba042a7 260echolog(){
c8e9f801 261 log "$@"
57bd82d4 262 echo "$@"
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263}
264
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265warn(){
266 log "WARNING: $*"
267 WARNINGS="${WARNINGS}WARNING: $*\n"
268}
269
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270die(){
271 echolog "$@"
272 cat <<EOF
d326cf7f 273
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274If you think configure made a mistake, make sure you are using the latest
275version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 276ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 277EOF
e155a21a 278 if disabled logging; then
2ba042a7 279 cat <<EOF
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280Rerun configure with logging enabled (do not use --disable-logging), and
281include the log this produces with your report.
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282EOF
283 else
284cat <<EOF
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285Include the log file "$logfile" produced by configure as this will help
286solving the problem.
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287EOF
288 fi
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289 exit 1
290}
291
6c6007d6 292# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 293toupper(){
6c6007d6 294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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295}
296
4a5444db 297tolower(){
6c6007d6 298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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299}
300
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301c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303}
304
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305sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309}
310
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311filter(){
312 pat=$1
313 shift
314 for v; do
98ef6079 315 eval "case $v in $pat) echo $v ;; esac"
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316 done
317}
318
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319map(){
320 m=$1
321 shift
e0e335a0 322 for v; do eval $m; done
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323}
324
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325set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331}
332
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333set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339}
340
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341pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347}
348
349popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358}
359
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360enable(){
361 set_all yes $*
362}
363
364disable(){
365 set_all no $*
366}
367
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368enable_weak(){
369 set_weak yes $*
370}
371
372disable_weak(){
373 set_weak no $*
374}
375
72702705 376enable_safe(){
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377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
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380}
381
382disable_safe(){
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383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
72702705
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386}
387
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388do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
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392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
f9d328da 394 enable_deep $sel
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395 popvar sgs
396 enable_deep_weak $sgs
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
44161118
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414}
415
37970ebf 416disabled(){
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MR
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
37970ebf
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419}
420
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421enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425}
426
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427disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431}
432
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433enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437}
438
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DB
439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
85bca2c5
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444}
445
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446set_default(){
447 for opt; do
88268e94 448 eval : \${$opt:=\$${opt}_default}
c9d19248
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449 done
450}
451
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452is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459}
460
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461check_deps(){
462 for cfg; do
3250003c 463 cfg="${cfg#!}"
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464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
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468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
7ef3425f 470 eval dep_sel="\$${cfg}_select"
c510c7b5 471 eval dep_sgs="\$${cfg}_suggest"
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472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 474
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475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 478
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479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
7ef3425f 483 disabled_any $dep_sel && disable $cfg
799c9e9b 484
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485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 488 enable_deep $dep_sel
c510c7b5 489 enable_deep_weak $dep_sgs
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490 fi
491
799c9e9b 492 disable ${cfg}_checking
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493 done
494}
495
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496print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
5e622c40 502 ucname="$(toupper $cfg)"
44161118 503 if enabled $cfg; then
3d907e22 504 echo "#define ${pfx}${ucname} 1" >> $header
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505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
b250f9c6 507 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 508 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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509 fi
510 done
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511}
512
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513print_enabled(){
514 test "$1" = -n && end=" " && shift || end="\n"
515 suf=$1
516 shift
517 for v; do
518 enabled $v && printf "%s$end" ${v%$suf};
519 done
520}
521
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522append(){
523 var=$1
524 shift
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525 eval "$var=\"\$$var $*\""
526}
527
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528prepend(){
529 var=$1
530 shift
531 eval "$var=\"$* \$$var\""
532}
533
50a334e4 534add_cppflags(){
caf458dd 535 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
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536}
537
57bd82d4 538add_cflags(){
caf458dd 539 append CFLAGS $($filter_cflags "$@")
57bd82d4
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540}
541
2f2e6c7c 542add_asflags(){
caf458dd 543 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
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544}
545
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546add_ldflags(){
547 append LDFLAGS "$@"
548}
549
550add_extralibs(){
60361817 551 prepend extralibs "$@"
57bd82d4
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552}
553
b0cfb663 554check_cmd(){
b3cb5d51 555 log "$@"
2270b4b2 556 "$@" >> $logfile 2>&1
b0cfb663
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557}
558
dcd479c0 559check_cc(){
57bd82d4 560 log check_cc "$@"
2270b4b2 561 cat > $TMPC
720c69da 562 log_file $TMPC
50a334e4 563 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
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564}
565
566check_cpp(){
567 log check_cpp "$@"
2270b4b2 568 cat > $TMPC
720c69da 569 log_file $TMPC
9e7f3277 570 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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571}
572
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573check_as(){
574 log check_as "$@"
575 cat > $TMPC
576 log_file $TMPC
2f2e6c7c 577 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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578}
579
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580check_asm(){
581 log check_asm "$@"
582 name="$1"
3784e82e 583 code="$2"
940f335a 584 shift 2
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585 disable $name
586 check_as "$@" <<EOF && enable $name
3784e82e 587void foo(void){ __asm__ volatile($code); }
940f335a
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588EOF
589}
590
304d586d
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591check_yasm(){
592 log check_yasm "$@"
593 echo "$1" > $TMPS
594 log_file $TMPS
595 shift 1
596 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
597}
598
dcd479c0 599check_ld(){
57bd82d4 600 log check_ld "$@"
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601 flags=''
602 libs=''
603 for f; do
604 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
605 done
2a194acd 606 check_cc $($filter_cflags $flags) || return
684b28e0 607 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
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608}
609
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610check_cppflags(){
611 log check_cppflags "$@"
caf458dd
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612 set -- $($filter_cppflags "$@")
613 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
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614int x;
615EOF
616}
617
dcd479c0 618check_cflags(){
57bd82d4 619 log check_cflags "$@"
caf458dd
MR
620 set -- $($filter_cflags "$@")
621 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
622int x;
623EOF
624}
625
2ed46eea
MR
626test_ldflags(){
627 log test_ldflags "$@"
628 check_ld "$@" <<EOF
c23a0ac8 629int main(void){ return 0; }
dcd479c0
MR
630EOF
631}
632
2ed46eea
MR
633check_ldflags(){
634 log check_ldflags "$@"
635 test_ldflags "$@" && add_ldflags "$@"
636}
637
dcd479c0 638check_header(){
57bd82d4 639 log check_header "$@"
dcd479c0
MR
640 header=$1
641 shift
b77df637
MR
642 disable_safe $header
643 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
644#include <$header>
645int x;
646EOF
647}
648
649check_func(){
57bd82d4 650 log check_func "$@"
dcd479c0
MR
651 func=$1
652 shift
d8bc5f06
MR
653 disable $func
654 check_ld "$@" <<EOF && enable $func
dcd479c0 655extern int $func();
c23a0ac8 656int main(void){ $func(); }
dcd479c0
MR
657EOF
658}
659
645d2652 660check_mathfunc(){
6b73c0ae 661 log check_mathfunc "$@"
645d2652
MR
662 func=$1
663 shift
664 disable $func
665 check_ld "$@" <<EOF && enable $func
666#include <math.h>
33bd38db
MR
667float foo(float f) { return $func(f); }
668int main(void){ return 0; }
645d2652
MR
669EOF
670}
671
2446d3d6
DB
672check_func_headers(){
673 log check_func_headers "$@"
f8d7b072
MR
674 headers=$1
675 func=$2
676 shift 2
677 disable $func
678 incs=""
679 for hdr in $headers; do
680 incs="$incs
681#include <$hdr>"
682 done
cd0d9a9d 683 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 684$incs
d6773f56 685int main(int argc, char **argv){
2b2c2a81 686 return (long) $func;
f8d7b072
MR
687}
688EOF
689}
690
a5344cf7
SS
691check_cpp_condition(){
692 log check_cpp_condition "$@"
693 header=$1
694 condition=$2
f855b7b9
MR
695 shift 2
696 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
697#include <$header>
698#if !($condition)
699#error "unsatisfied condition: $condition"
700#endif
701EOF
702}
703
57bd82d4
MR
704check_lib(){
705 log check_lib "$@"
706 header="$1"
707 func="$2"
708 shift 2
84400e9d 709 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
710}
711
f8d7b072
MR
712check_lib2(){
713 log check_lib2 "$@"
714 headers="$1"
715 func="$2"
716 shift 2
300cde27 717 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
718}
719
dcd479c0 720check_exec(){
2270b4b2 721 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
722}
723
7dfef245 724check_exec_crash(){
5e622c40 725 code=$(cat)
7dfef245
MR
726
727 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
728 # are safe but may not be available everywhere. Thus we use
729 # raise(SIGTERM) instead. The check is run in a subshell so we
730 # can redirect the "Terminated" message from the shell. SIGBUS
731 # is not defined by standard C so it is used conditionally.
732
2270b4b2 733 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
734#include <signal.h>
735static void sighandler(int sig){
736 raise(SIGTERM);
737}
e5af4a11 738int main(void){
7dfef245
MR
739 signal(SIGILL, sighandler);
740 signal(SIGFPE, sighandler);
741 signal(SIGSEGV, sighandler);
742#ifdef SIGBUS
743 signal(SIGBUS, sighandler);
744#endif
745 { $code }
746}
747EOF
748}
749
72be9e73
DY
750check_type(){
751 log check_type "$@"
752 headers=$1
753 type=$2
754 shift 2
ae550ce9 755 disable_safe "$type"
72be9e73
DY
756 incs=""
757 for hdr in $headers; do
758 incs="$incs
759#include <$hdr>"
760 done
ae550ce9 761 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
762$incs
763$type v;
764EOF
765}
766
14d36751
MR
767check_struct(){
768 log check_type "$@"
769 headers=$1
770 struct=$2
771 member=$3
772 shift 3
773 disable_safe "${struct}_${member}"
774 incs=""
775 for hdr in $headers; do
776 incs="$incs
777#include <$hdr>"
778 done
779 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
780$incs
781const void *p = &(($struct *)0)->$member;
782EOF
783}
784
57bd82d4
MR
785require(){
786 name="$1"
787 header="$2"
788 func="$3"
789 shift 3
790 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
791}
792
f8d7b072
MR
793require2(){
794 name="$1"
795 headers="$2"
796 func="$3"
797 shift 3
798 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
799}
800
f0125de9
MR
801check_host_cc(){
802 log check_host_cc "$@"
803 cat > $TMPC
804 log_file $TMPC
805 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
806}
807
808check_host_cflags(){
809 log check_host_cflags "$@"
810 check_host_cc "$@" <<EOF && append host_cflags "$@"
811int x;
812EOF
813}
814
c505dd31
MR
815apply(){
816 file=$1
817 shift
818 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
819}
820
c34681df
MR
821cp_if_changed(){
822 cmp -s "$1" "$2" &&
823 echo "$2 is unchanged" ||
824 cp -f "$1" "$2"
825}
826
dcd61286
DB
827# CONFIG_LIST contains configurable options, while HAVE_LIST is for
828# system-dependent things.
829
4a0d6686
AJ
830COMPONENT_LIST="
831 bsfs
832 decoders
833 demuxers
834 encoders
3cde40aa 835 filters
5666fd73 836 hwaccels
c552605c 837 indevs
4a0d6686 838 muxers
c552605c 839 outdevs
4a0d6686
AJ
840 parsers
841 protocols
842"
843
844CONFIG_LIST="
845 $COMPONENT_LIST
e8ed9b7a 846 aandct
5a0f7131
MR
847 avcodec
848 avdevice
f7679c54
VS
849 avfilter
850 avfilter_lavf
5a0f7131 851 avformat
c88f5d72 852 avisynth
f402916e 853 bzlib
7f3f5f46 854 dct
c73f65d9 855 doc
05aec7bb 856 dwt
92c6a099 857 dxva2
27a9466b 858 fastdiv
c88f5d72
MR
859 ffmpeg
860 ffplay
336ce917 861 ffprobe
c88f5d72 862 ffserver
1848f7d9 863 fft
4f034993 864 golomb
c88f5d72 865 gpl
d8d0d0b2 866 gray
4693b031 867 h264dsp
3abe5fbd 868 hardcoded_tables
f7b8bffe 869 libdc1394
690bfceb 870 libdirac
2eed5a46 871 libfaac
c88f5d72 872 libgsm
6ebe07fb 873 libmp3lame
c88f5d72 874 libnut
0b175caa
DB
875 libopencore_amrnb
876 libopencore_amrwb
9a77d59a 877 libopenjpeg
0f943ce6 878 librtmp
f7cd9eed 879 libschroedinger
ae14f311 880 libspeex
150d2772 881 libtheora
c88f5d72 882 libvorbis
8299a7f8 883 libvpx
1cc60c47
DB
884 libx264
885 libxvid
f4d608e3 886 lpc
b781cc12 887 lsp
47a158cb 888 mdct
c88f5d72 889 memalign_hack
a8150374 890 mlib
c88f5d72
MR
891 mpegaudio_hp
892 network
3fe142e2 893 nonfree
8a3c8627 894 pic
4a24ab64 895 postproc
68602540 896 rdft
e90f5b5a 897 runtime_cpudetect
2e35e684 898 shared
bd2216e4 899 small
6b35d421 900 sram
2e35e684 901 static
5a0f7131 902 swscale
a9ddb5b1 903 swscale_alpha
17492d5e
DB
904 vaapi
905 vdpau
9cad0e4e 906 version3
56a059ac 907 x11grab
c88f5d72 908 zlib
4a0d6686 909"
c88f5d72 910
8eee7025 911THREADS_LIST='
8eee7025
DB
912 pthreads
913 w32threads
914'
915
3f5b56e5
MR
916ARCH_LIST='
917 alpha
a2fc0f6a 918 arm
fdcd782d
MR
919 avr32
920 avr32_ap
921 avr32_uc
3f5b56e5
MR
922 bfin
923 ia64
924 m68k
925 mips
bae3abb0 926 mips64
3f5b56e5 927 parisc
79cb09b2 928 ppc
34d11b87 929 ppc64
3f5b56e5
MR
930 s390
931 sh4
932 sparc
933 sparc64
0844bae1 934 tomi
3f5b56e5
MR
935 x86
936 x86_32
937 x86_64
938'
939
940ARCH_EXT_LIST='
1ac9331a 941 altivec
3bf96eec 942 amd3dnow
a1ef9f08 943 amd3dnowext
1ac9331a 944 armv5te
edab3048 945 armv6
ab5cb084 946 armv6t2
f55b299a 947 armvfp
3f5b56e5
MR
948 iwmmxt
949 mmi
950 mmx
d7f0920b 951 mmx2
6b18d278 952 neon
799fde37 953 ppc4xx
1bb04d5a 954 sse
9eeed841 955 ssse3
bd9d34a0 956 vis
3f5b56e5
MR
957'
958
a3e02a8c
MR
959HAVE_LIST_PUB='
960 bigendian
d268eee9 961 fast_unaligned
a3e02a8c
MR
962'
963
3f5b56e5
MR
964HAVE_LIST="
965 $ARCH_EXT_LIST
a3e02a8c 966 $HAVE_LIST_PUB
3f5b56e5 967 $THREADS_LIST
35fd8122 968 alsa_asoundlib_h
3f5b56e5 969 altivec_h
c9fdab0d 970 arpa_inet_h
dffb41b9 971 attribute_may_alias
e7ea5e3d 972 attribute_packed
6bd859d6 973 bswap
ecf97f22 974 closesocket
1ac9331a 975 cmov
e16e49ac 976 conio_h
c88f5d72 977 dcbzl
f8aa696f
DB
978 dev_bktr_ioctl_bt848_h
979 dev_bktr_ioctl_meteor_h
980 dev_ic_bt8xx_h
981 dev_video_meteor_ioctl_meteor_h
982 dev_video_bktr_ioctl_bt848_h
18b67ae5 983 dlfcn_h
c88f5d72 984 dlopen
bc574408 985 dos_paths
245626d0
DB
986 ebp_available
987 ebx_available
6b7c7703
VS
988 exp2
989 exp2f
c2a29455 990 fast_64bit
669b5583 991 fast_clz
7073e9fc 992 fast_cmov
534a2231 993 fcntl
9d99cc5a 994 fork
84882df6 995 getaddrinfo
da9e86f8 996 gethrtime
fc5607f8 997 GetProcessMemoryInfo
4e68cb8a 998 GetProcessTimes
66be5b45 999 getrusage
a49d3025 1000 gnu_as
fc5607f8 1001 struct_rusage_ru_maxrss
2f0c136e 1002 ibm_asm
2e1913b1 1003 inet_aton
61d251db 1004 inline_asm
abfc8d05 1005 isatty
9f5ff83f 1006 ldbrx
0b4a1821
AS
1007 libdc1394_1
1008 libdc1394_2
a33cab3a 1009 llrint
07876e25 1010 llrintf
d96cd429
MR
1011 local_aligned_16
1012 local_aligned_8
291fd18a 1013 log2
6b7c7703 1014 log2f
85dd97ad 1015 loongson
a33cab3a 1016 lrint
c88f5d72 1017 lrintf
e4673692 1018 lzo1x_999_compress
f8aa696f
DB
1019 machine_ioctl_bt848_h
1020 machine_ioctl_meteor_h
c88f5d72
MR
1021 malloc_h
1022 memalign
6ffa87d3 1023 mkstemp
b4e806b2 1024 pld
1f91cdce 1025 posix_memalign
a33cab3a
MK
1026 round
1027 roundf
c88f5d72
MR
1028 sdl
1029 sdl_video_size
b507ebd1 1030 setmode
72be9e73 1031 socklen_t
deb29777 1032 soundcard_h
f8cda19e 1033 poll_h
0104b608 1034 setrlimit
87958234 1035 strerror_r
c0018613 1036 struct_addrinfo
b4d68544
MS
1037 struct_ipv6_mreq
1038 struct_sockaddr_in6
3b2372bf 1039 struct_sockaddr_sa_len
33a4dbdd 1040 struct_sockaddr_storage
b462d132
MR
1041 symver
1042 symver_gnu_asm
1043 symver_asm_label
b58412f1 1044 sys_mman_h
b091aa44 1045 sys_resource_h
81644c2e 1046 sys_select_h
deb29777 1047 sys_soundcard_h
1b6e8b73 1048 sys_videoio_h
d3a4b4e0 1049 ten_operands
e16e49ac 1050 termios_h
b265431e 1051 threads
7b04b8a0 1052 truncf
ce742de2 1053 vfp_args
7c5bfe7a 1054 VirtualAlloc
6ff3f3e7 1055 winsock2_h
cc078b5d 1056 xform_asm
304d586d 1057 yasm
0cb78cef 1058"
44161118 1059
b6bb00b0
MR
1060# options emitted with CONFIG_ prefix but not available on command line
1061CONFIG_EXTRA="
dc4f5a1c 1062 avutil
9cad0e4e
DB
1063 gplv3
1064 lgplv3
b6bb00b0
MR
1065"
1066
520cc7f1 1067CMDLINE_SELECT="
3f5b56e5 1068 $ARCH_EXT_LIST
520cc7f1 1069 $CONFIG_LIST
8eee7025 1070 $THREADS_LIST
c8a4ae00 1071 asm
db6107b6 1072 cross_compile
520cc7f1
MR
1073 debug
1074 extra_warnings
8c6afa4d 1075 logging
d2bbb2f7 1076 optimizations
87a0fb62 1077 stripping
7595a5e4 1078 yasm
520cc7f1 1079"
426be5dc
DB
1080
1081PATHS_LIST='
d156bede 1082 bindir
14a8acf1 1083 datadir
26759c44
MR
1084 incdir
1085 libdir
26759c44
MR
1086 mandir
1087 prefix
1088 shlibdir
426be5dc
DB
1089'
1090
1091CMDLINE_SET="
1092 $PATHS_LIST
121d78d0 1093 ar
426be5dc 1094 arch
313c46a6 1095 as
426be5dc
DB
1096 build_suffix
1097 cc
1098 cpu
1099 cross_prefix
50567afa 1100 dep_cc
ac63af34 1101 extra_version
9da6609f
MR
1102 host_cc
1103 host_cflags
1104 host_ldflags
1105 host_libs
82bb3329 1106 host_os
684b28e0 1107 ld
426be5dc 1108 logfile
4ae40685 1109 malloc_prefix
89641463 1110 nm
2fad0977 1111 samples
26759c44 1112 source_path
4f837398 1113 strip
c5200f17
MR
1114 sysinclude
1115 sysroot
a7ada2ba 1116 target_exec
26759c44 1117 target_os
a7ada2ba 1118 target_path
426be5dc 1119"
520cc7f1 1120
89f2932b
MR
1121CMDLINE_APPEND="
1122 extra_cflags
1123"
1124
912f3148
DB
1125# code dependency declarations
1126
9eeed841 1127# architecture extensions
808fa33c 1128
a2fc0f6a
MR
1129armv5te_deps="arm"
1130armv6_deps="arm"
ab5cb084 1131armv6t2_deps="arm"
a2fc0f6a
MR
1132armvfp_deps="arm"
1133iwmmxt_deps="arm"
808fa33c
MR
1134neon_deps="arm"
1135
e241ba14 1136mmi_deps="mips"
808fa33c
MR
1137
1138altivec_deps="ppc"
1139ppc4xx_deps="ppc"
1140
1141vis_deps="sparc"
1142
7f8c3d1f 1143x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1144amd3dnow_deps="mmx"
1145amd3dnowext_deps="amd3dnow"
9eeed841 1146mmx_deps="x86"
75aa95a6 1147mmx2_deps="mmx"
75aa95a6
DB
1148sse_deps="mmx"
1149ssse3_deps="sse"
9eeed841 1150
e939cedd 1151fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1152fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1153fast_unaligned_if_any="armv6 ppc x86"
669b5583 1154
89e053f8 1155need_memalign="altivec neon sse"
6fec122a 1156inline_asm_deps="!tms470"
89e053f8 1157
b462d132
MR
1158symver_if_any="symver_asm_label symver_gnu_asm"
1159
26fbcc85 1160# subsystems
dc609252 1161dct_select="rdft"
26fbcc85
MR
1162mdct_select="fft"
1163rdft_select="fft"
1164
5666fd73 1165# decoders / encoders / hardware accelerators
3cac899a 1166aac_decoder_select="mdct rdft"
26fbcc85
MR
1167aac_encoder_select="mdct"
1168ac3_decoder_select="mdct ac3_parser"
f4d608e3 1169alac_encoder_select="lpc"
b781cc12 1170amrnb_decoder_select="lsp"
084cbbaa 1171atrac1_decoder_select="mdct"
26fbcc85
MR
1172atrac3_decoder_select="mdct"
1173binkaudio_dct_decoder_select="mdct rdft dct"
1174binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1175cavs_decoder_select="golomb"
26fbcc85 1176cook_decoder_select="mdct"
2eef7c62 1177cscd_decoder_suggest="zlib"
26fbcc85 1178dca_decoder_select="mdct"
e8ed9b7a 1179dnxhd_encoder_select="aandct"
2eef7c62 1180dxa_decoder_select="zlib"
baf91bb9 1181eac3_decoder_select="ac3_decoder"
84c04e25 1182eamad_decoder_select="aandct"
e8ed9b7a 1183eatgq_decoder_select="aandct"
d52b39c7 1184eatqi_decoder_select="aandct"
4f034993
MR
1185ffv1_decoder_select="golomb"
1186flac_decoder_select="golomb"
f4d608e3 1187flac_encoder_select="golomb lpc"
2eef7c62
AJ
1188flashsv_decoder_select="zlib"
1189flashsv_encoder_select="zlib"
4414137e 1190flv_decoder_select="h263_decoder"
4d4b4bd1 1191flv_encoder_select="h263_encoder"
e8ed9b7a 1192h261_encoder_select="aandct"
7f647ae0 1193h263_decoder_select="h263_parser"
e8ed9b7a 1194h263_encoder_select="aandct"
95a61cfc 1195h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1196h263i_decoder_select="h263_decoder"
fe629c2d 1197h263p_encoder_select="h263_encoder"
4693b031 1198h264_decoder_select="golomb h264dsp"
92c6a099
LA
1199h264_dxva2_hwaccel_deps="dxva2api_h"
1200h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1201h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1202h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1203imc_decoder_select="fft mdct"
4f034993
MR
1204jpegls_decoder_select="golomb"
1205jpegls_encoder_select="golomb"
e8ed9b7a 1206ljpeg_encoder_select="aandct"
4f034993 1207loco_decoder_select="golomb"
e8ed9b7a 1208mjpeg_encoder_select="aandct"
2cca233b 1209mlp_decoder_select="mlp_parser"
d9da8f10
AJ
1210mp1float_decoder_select="dct"
1211mp2float_decoder_select="dct"
1212mp3adufloat_decoder_select="dct"
1213mp3float_decoder_select="dct"
1214mp3on4float_decoder_select="dct"
e8ed9b7a
DB
1215mpeg1video_encoder_select="aandct"
1216mpeg2video_encoder_select="aandct"
4414137e 1217mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1218mpeg4_encoder_select="h263_encoder"
95a61cfc 1219mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1220mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1221mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1222mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1223mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1224mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1225mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1226mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1227mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1228msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1229msmpeg4v1_encoder_select="h263_encoder"
4414137e 1230msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1231msmpeg4v2_encoder_select="h263_encoder"
4414137e 1232msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1233msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1234nellymoser_decoder_select="mdct"
1235nellymoser_encoder_select="mdct"
2eef7c62
AJ
1236png_decoder_select="zlib"
1237png_encoder_select="zlib"
b781cc12 1238qcelp_decoder_select="lsp"
26fbcc85 1239qdm2_decoder_select="mdct rdft"
31ed3f1f 1240ra_144_encoder_select="lpc"
a8beb22f 1241rv10_decoder_select="h263_decoder"
b2bf38b4 1242rv10_encoder_select="h263_encoder"
a8beb22f 1243rv20_decoder_select="h263_decoder"
b2bf38b4 1244rv20_encoder_select="h263_encoder"
4693b031
MR
1245rv30_decoder_select="golomb h264dsp"
1246rv40_decoder_select="golomb h264dsp"
4f034993 1247shorten_decoder_select="golomb"
b781cc12 1248sipr_decoder_select="lsp"
05aec7bb
MR
1249snow_decoder_select="dwt"
1250snow_encoder_select="aandct dwt"
4f034993
MR
1251sonic_decoder_select="golomb"
1252sonic_encoder_select="golomb"
1253sonic_ls_encoder_select="golomb"
19ecfb8a 1254svq1_encoder_select="aandct"
4693b031 1255svq3_decoder_select="golomb h264dsp"
bee2eac5 1256svq3_decoder_suggest="zlib"
4eef77c1 1257theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1258tiff_decoder_suggest="zlib"
1259tiff_encoder_suggest="zlib"
aec09a00 1260truehd_decoder_select="mlp_decoder"
2eef7c62 1261tscc_decoder_select="zlib"
b781cc12 1262twinvq_decoder_select="mdct lsp"
f95bfab0 1263vc1_decoder_select="h263_decoder"
9104cd51 1264vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1265vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1266vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1267vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1268vorbis_decoder_select="mdct"
1269vorbis_encoder_select="mdct"
e82dc4c9
DB
1270vp6a_decoder_select="vp6_decoder"
1271vp6f_decoder_select="vp6_decoder"
0912db02 1272vp8_decoder_select="h264dsp"
084cbbaa 1273wmapro_decoder_select="mdct"
26fbcc85
MR
1274wmav1_decoder_select="mdct"
1275wmav1_encoder_select="mdct"
1276wmav2_decoder_select="mdct"
1277wmav2_encoder_select="mdct"
df0a6d0d 1278wmavoice_decoder_select="lsp rdft dct mdct"
f95bfab0 1279wmv1_decoder_select="h263_decoder"
665507aa 1280wmv1_encoder_select="h263_encoder"
f95bfab0 1281wmv2_decoder_select="h263_decoder"
1746e2a9 1282wmv2_encoder_select="h263_encoder"
015f8ee0 1283wmv3_decoder_select="vc1_decoder"
f0f86627 1284wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1285wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1286wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1287zlib_decoder_select="zlib"
1288zlib_encoder_select="zlib"
1289zmbv_decoder_select="zlib"
1290zmbv_encoder_select="zlib"
30fd06be 1291
0afab17e 1292vaapi_deps="va_va_h"
c89c96e9
MR
1293vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1294
28b80940 1295# parsers
4693b031 1296h264_parser_select="golomb h264dsp"
28b80940 1297
912f3148 1298# external libraries
1b71f045 1299libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1300libdirac_encoder_deps="libdirac"
c9171a83 1301libfaac_encoder_deps="libfaac"
299c77d5
MR
1302libgsm_decoder_deps="libgsm"
1303libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1304libgsm_ms_decoder_deps="libgsm"
1305libgsm_ms_encoder_deps="libgsm"
1cc60c47 1306libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1307libopencore_amrnb_decoder_deps="libopencore_amrnb"
1308libopencore_amrnb_encoder_deps="libopencore_amrnb"
1309libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1310libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1311libschroedinger_decoder_deps="libschroedinger"
1312libschroedinger_encoder_deps="libschroedinger"
ae14f311 1313libspeex_decoder_deps="libspeex"
150d2772 1314libtheora_encoder_deps="libtheora"
b0caf888 1315libvorbis_encoder_deps="libvorbis"
8299a7f8 1316libvpx_decoder_deps="libvpx"
ee0e9146 1317libvpx_encoder_deps="libvpx"
1cc60c47
DB
1318libx264_encoder_deps="libx264"
1319libxvid_encoder_deps="libxvid"
30fd06be 1320
912f3148 1321# demuxers / muxers
03a76ba9 1322ac3_demuxer_deps="ac3_parser"
647c2356 1323asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1324avisynth_demuxer_deps="avisynth"
1325dirac_demuxer_deps="dirac_parser"
5b423887 1326eac3_demuxer_select="ac3_parser"
647c2356 1327ipod_muxer_select="mov_muxer"
4e622dea
SS
1328libnut_demuxer_deps="libnut"
1329libnut_muxer_deps="libnut"
647c2356 1330matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1331matroska_demuxer_suggest="zlib bzlib"
1332mov_demuxer_suggest="zlib"
1333mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1334mp4_muxer_select="mov_muxer"
1335mpegtsraw_demuxer_select="mpegts_demuxer"
1336mxf_d10_muxer_select="mxf_muxer"
24ca518b 1337ogg_demuxer_select="golomb"
647c2356 1338psp_muxer_select="mov_muxer"
4e622dea 1339rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1340rtsp_muxer_deps="sdp_demuxer"
1341rtsp_muxer_select="rtp_muxer"
4e622dea 1342sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1343sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1344spdif_muxer_select="aac_parser"
647c2356
DB
1345tg2_muxer_select="mov_muxer"
1346tgp_muxer_select="mov_muxer"
6bdaa5f4 1347w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1348
1349# indevs / outdevs
38e54a75
SS
1350alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1351alsa_indev_extralibs="-lasound"
1352alsa_outdev_deps="alsa_asoundlib_h"
1353alsa_outdev_extralibs="-lasound"
38e54a75 1354bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1355dv1394_indev_deps="dv1394 dv_demuxer"
1356jack_indev_deps="jack_jack_h"
1357jack_indev_extralibs="-ljack"
1358libdc1394_indev_deps="libdc1394"
38e54a75
SS
1359oss_indev_deps_any="soundcard_h sys_soundcard_h"
1360oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1361v4l_indev_deps="linux_videodev_h"
1362v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1363vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1364vfwcap_indev_extralibs="-lavicap32"
38e54a75 1365x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1366x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1367
912f3148 1368# protocols
3fff6382 1369gopher_protocol_deps="network"
c08fb000 1370http_protocol_deps="network"
279a0c97 1371http_protocol_select="tcp_protocol"
b4cf3f6c 1372mmst_protocol_deps="network"
deeb7012
MS
1373rtmp_protocol_select="tcp_protocol"
1374rtp_protocol_select="udp_protocol"
c08fb000
AB
1375tcp_protocol_deps="network"
1376udp_protocol_deps="network"
1377
f7679c54 1378# filters
81124ba0 1379movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1380avfilter_lavf_deps="avformat"
1381
1382# libraries
1383avdevice_deps="avcodec avformat"
1384avformat_deps="avcodec"
f7679c54 1385
912f3148 1386# programs
5a0f7131 1387ffmpeg_deps="avcodec avformat swscale"
21ae6790 1388ffmpeg_select="buffer_filter"
5a0f7131 1389ffplay_deps="avcodec avformat swscale sdl"
43689902 1390ffplay_select="rdft"
336ce917 1391ffprobe_deps="avcodec avformat"
5a0f7131 1392ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1393ffserver_extralibs='$ldl'
a2830dca 1394
c73f65d9 1395doc_deps="texi2html"
912f3148 1396
57442411
MR
1397# tests
1398
1399test_deps(){
1400 suf1=$1
1401 suf2=$2
1402 shift 2
1403 for v; do
1404 dep=${v%=*}
1405 tests=${v#*=}
1406 for name in ${tests}; do
1407 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1408 done
1409 done
1410}
1411
1412test_deps _encoder _decoder \
1413 ac3 \
1414 adpcm_g726=g726 \
1415 adpcm_ima_qt \
1416 adpcm_ima_wav \
1417 adpcm_ms \
1418 adpcm_swf \
1419 adpcm_yamaha=adpcm_yam \
1420 alac \
1421 asv1 \
1422 asv2 \
1423 bmp \
1424 dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1425 dvvideo="dv dv50" \
1426 ffv1 \
1427 flac \
1428 flashsv \
1429 flv \
1430 gif \
1431 h261 \
1432 h263="h263 h263p" \
1433 huffyuv \
1434 jpegls \
1435 mjpeg="jpg mjpeg ljpeg" \
1436 mp2 \
1437 mpeg1video="mpeg mpeg1b" \
1438 mpeg2video="mpeg2 mpeg2thread" \
1439 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
c0b16605 1440 msmpeg4v3=msmpeg4 \
57442411
MR
1441 msmpeg4v2 \
1442 pbm=pbmpipe \
1443 pcx \
1444 pgm="pgm pgmpipe" \
1445 ppm="ppm ppmpipe" \
1446 rawvideo="rgb yuv" \
1447 roq \
1448 rv10 \
1449 rv20 \
1450 sgi \
1451 snow="snow snowll" \
1452 svq1 \
1453 targa=tga \
1454 tiff \
1455 wmav1 \
1456 wmav2 \
1457 wmv1 \
1458 wmv2 \
1459
1460test_deps _muxer _demuxer \
1461 aiff \
1462 pcm_alaw=alaw \
1463 asf \
1464 au \
1465 avi \
1466 dv=dv_fmt \
1467 ffm \
1468 flv=flv_fmt \
1469 gxf \
1470 matroska=mkv \
1471 mmf \
1472 mov \
1473 pcm_mulaw=mulaw \
1474 mxf \
1475 nut \
1476 ogg \
1477 rawvideo=pixfmt \
1478 rm \
1479 swf \
1480 mpegts=ts \
1481 voc \
1482 wav \
1483 yuv4mpegpipe=yuv4mpeg \
1484
1485mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
7c1bb914
MR
1486pixdesc_be_test_deps="bigendian"
1487pixdesc_le_test_deps="!bigendian"
57442411 1488
de6d9b64 1489# default parameters
8a608357 1490
19bd477d 1491logfile="config.log"
8a608357
MR
1492
1493# installation paths
c9d19248
MR
1494prefix_default="/usr/local"
1495bindir_default='${prefix}/bin'
14a8acf1 1496datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1497incdir_default='${prefix}/include'
1498libdir_default='${prefix}/lib'
1499mandir_default='${prefix}/share/man'
1500shlibdir_default="$libdir_default"
8a608357
MR
1501
1502# toolchain
121d78d0 1503ar_default="ar"
13c7df3d 1504cc_default="gcc"
a3d7c197 1505cc_version=\"unknown\"
9da6609f 1506host_cc_default="gcc"
11e6d03a 1507ln_s="ln -sf"
89641463 1508nm_default="nm"
11e6d03a 1509objformat="elf"
be7109c1 1510ranlib="ranlib"
4f837398 1511strip_default="strip"
11e6d03a 1512yasmexe="yasm"
301ab19d 1513nogas=":"
8a608357 1514
8182dc34
MR
1515nm_opts='-g'
1516
8a608357 1517# machine
8d4c00ed 1518arch_default=$(uname -m)
38d0a8aa 1519cpu="generic"
8a608357 1520
8a608357 1521# OS
8d4c00ed
MR
1522target_os_default=$(tolower $(uname -s))
1523host_os=$target_os_default
8a608357 1524
8a608357 1525# configurable options
5a0f7131
MR
1526enable avcodec
1527enable avdevice
cccc039f 1528enable avfilter
5a0f7131 1529enable avformat
dc4f5a1c 1530enable avutil
c8a4ae00 1531enable asm
497237c7 1532enable debug
c73f65d9 1533enable doc
aa033b1e 1534enable fastdiv
497237c7
RP
1535enable ffmpeg
1536enable ffplay
336ce917 1537enable ffprobe
497237c7 1538enable ffserver
497237c7
RP
1539enable mpegaudio_hp
1540enable network
8400d6b8 1541enable optimizations
497237c7 1542enable protocols
530dc538 1543enable static
87a0fb62 1544enable stripping
5a0f7131 1545enable swscale
a9ddb5b1 1546enable swscale_alpha
8a608357 1547
8a608357 1548# build settings
9987769a 1549SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1550FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1551LIBPREF="lib"
1552LIBSUF=".a"
c5f14466
RP
1553FULLNAME='$(NAME)$(BUILDSUF)'
1554LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1555SLIBPREF="lib"
1556SLIBSUF=".so"
c5f14466 1557SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1558SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1559SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1560LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1561
7e6c86e6
MR
1562CC_O='-o $@'
1563
f0125de9 1564host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1565host_libs='-lm'
1566
9b861379 1567target_path='$(CURDIR)'
a7ada2ba 1568
a158446b
MR
1569# since the object filename is not given with the -MM flag, the compiler
1570# is only able to print the basename, and we must add the path ourselves
c1c3933a 1571DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1572DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1573
c597172e 1574# find source path
5e622c40 1575source_path="$(dirname "$0")"
497237c7 1576enable source_path_used
24524f36 1577if test -f configure; then
5e622c40 1578 source_path="$(pwd)"
497237c7 1579 disable source_path_used
c597172e 1580else
5e622c40 1581 source_path="$(cd "$source_path"; pwd)"
c597172e 1582 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1583 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1584 test -e "$source_path/config.h" &&
1585 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1586fi
1587
13cbe2c0 1588for v in "$@"; do
b04251c5
MR
1589 r=${v#*=}
1590 l=${v%"$r"}
1591 r=$(sh_quote "$r")
13cbe2c0
MR
1592 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1593done
c597172e 1594
73ef8980
MR
1595find_things(){
1596 thing=$1
1597 pattern=$2
1598 file=$source_path/$3
932ccf39 1599 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1600}
1601
1602ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1603DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1604HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1605PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1606BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1607MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1608DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1609OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1610INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1611PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1612FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1613
57442411 1614find_tests(){
8e3275c1 1615 map 'echo ${v}_test' $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
57442411
MR
1616}
1617
1618ACODEC_TESTS=$(find_tests acodec)
1619VCODEC_TESTS=$(find_tests vsynth1)
1620LAVF_TESTS=$(find_tests lavf)
48c28162 1621LAVFI_TESTS=$(find_tests lavfi)
57442411 1622
40fe5019
MR
1623pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1624
8469ae22
MR
1625for n in $COMPONENT_LIST; do
1626 v=$(toupper ${n%s})_LIST
1627 eval enable \$$v
1628 eval ${n}_if_any="\$$v"
1629done
1630
48c28162 1631enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS
c597172e
MR
1632
1633die_unknown(){
1634 echo "Unknown option \"$1\"."
1635 echo "See $0 --help for available options."
1636 exit 1
1637}
1638
794f8e97 1639show_list() {
bf0c4afa
RP
1640 suffix=_$1
1641 shift
2b444ea7 1642 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1643 exit 0
1644}
1645
c597172e 1646for opt do
7483e694
DB
1647 optval="${opt#*=}"
1648 case "$opt" in
0f010b2f 1649 --extra-ldflags=*) add_ldflags $optval
7483e694 1650 ;;
0f010b2f 1651 --extra-libs=*) add_extralibs $optval
7483e694 1652 ;;
8fb1cb58 1653 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1654 ;;
40bcf4c7
BL
1655 --enable-debug=*) debuglevel="$optval"
1656 ;;
36e2dea0 1657 --disable-everything)
1b15dc3c 1658 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1659 ;;
7483e694 1660 --enable-*=*|--disable-*=*)
8b93ddc3 1661 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1662 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1663 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1664 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1665 $action $(filter "$name" $list)
7483e694
DB
1666 ;;
1667 --enable-?*|--disable-?*)
5e622c40 1668 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1669 if is_in $option $COMPONENT_LIST; then
fed5d54b 1670 test $action = disable && action=unset
e3773a55
MR
1671 eval $action \$$(toupper ${option%s})_LIST
1672 elif is_in $option $CMDLINE_SELECT; then
1673 $action $option
1674 else
1675 die_unknown $opt
1676 fi
7483e694
DB
1677 ;;
1678 --list-*)
1679 NAME="${opt#--list-}"
1680 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1681 NAME=${NAME%s}
1682 eval show_list $NAME \$$(toupper $NAME)_LIST
1683 ;;
1684 --help|-h) show_help
1685 ;;
1686 *)
884a36a7 1687 optname="${opt%%=*}"
26759c44
MR
1688 optname="${optname#--}"
1689 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1690 if is_in $optname $CMDLINE_SET; then
1691 eval $optname='$optval'
1692 elif is_in $optname $CMDLINE_APPEND; then
1693 append $optname "$optval"
1694 else
1695 die_unknown $opt
1696 fi
7483e694
DB
1697 ;;
1698 esac
c597172e
MR
1699done
1700
bcea99bb
MR
1701disabled logging && logfile=/dev/null
1702
13cbe2c0 1703echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1704set >> $logfile
1705
9da6609f
MR
1706test -n "$cross_prefix" && enable cross_compile
1707
8d4c00ed
MR
1708if enabled cross_compile; then
1709 test -n "$arch" && test -n "$target_os" ||
1710 die "Must specify target arch and OS when cross-compiling"
1711fi
1712
1713set_default arch target_os
1714
121d78d0 1715ar_default="${cross_prefix}${ar_default}"
11e6d03a 1716cc_default="${cross_prefix}${cc_default}"
20e0ed95 1717nm_default="${cross_prefix}${nm_default}"
adb2b908 1718ranlib="${cross_prefix}${ranlib}"
4f837398 1719strip_default="${cross_prefix}${strip_default}"
adb2b908 1720
c5200f17
MR
1721sysinclude_default="${sysroot}/usr/include"
1722
4f837398 1723set_default cc nm strip sysinclude
9da6609f
MR
1724enabled cross_compile || host_cc_default=$cc
1725set_default host_cc
13c7df3d 1726
82bb3329
MR
1727exesuf() {
1728 case $1 in
1729 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1730 esac
1731}
1732
1733EXESUF=$(exesuf $target_os)
1734HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1735
e4e69e0b 1736# set temporary file name
a49d42c2 1737: ${TMPDIR:=$TEMPDIR}
c51fafa1 1738: ${TMPDIR:=$TMP}
a49d42c2 1739: ${TMPDIR:=/tmp}
e4e69e0b 1740
54460a83
MR
1741if ! check_cmd type mktemp; then
1742 # simple replacement for missing mktemp
1743 # NOT SAFE FOR GENERAL USE
1744 mktemp(){
1745 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1746 }
1747fi
1748
1749tmpfile(){
1750 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1751 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1752 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1753 append TMPFILES $tmp
1754 eval $1=$tmp
1755}
1756
1757trap 'rm -f -- $TMPFILES' EXIT
1758trap exit HUP INT TERM
1759
1760tmpfile TMPC .c
1761tmpfile TMPE $EXESUF
1762tmpfile TMPH .h
1763tmpfile TMPO .o
1764tmpfile TMPS .S
a482e61b 1765tmpfile TMPV .ver
54460a83
MR
1766tmpfile TMPSH .sh
1767
1768unset -f mktemp
e4e69e0b 1769
993f2d0f
MR
1770# make sure we can execute files in $TMPDIR
1771cat > $TMPSH 2>> $logfile <<EOF
1772#! /bin/sh
1773EOF
1774chmod +x $TMPSH >> $logfile 2>&1
1775if ! $TMPSH >> $logfile 2>&1; then
1776 cat <<EOF
1777Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1778variable to another directory and make sure that it is not mounted noexec.
1779EOF
1780 die "Sanity test failed."
1781fi
993f2d0f 1782
19b4c628
MR
1783filter_cflags=echo
1784filter_cppflags=echo
1785filter_asflags=echo
1786
8f0c157a 1787if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1788 cc_type=gcc
a3d7c197 1789 cc_version=__VERSION__
aef6bd1b
MR
1790 if ! $cc -dumpversion | grep -q '^2\.'; then
1791 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1792 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1793 fi
14ca9cd0
MR
1794 speed_cflags='-O3'
1795 size_cflags='-Os'
629687f6
MR
1796elif $cc --version 2>/dev/null | grep -q Intel; then
1797 cc_type=icc
6e3fa35d 1798 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1799 CC_DEPFLAGS='-MMD'
1800 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1801 speed_cflags='-O3'
1802 size_cflags='-Os'
b05394a0 1803 noopt_cflags='-O1'
629687f6
MR
1804elif $cc -v 2>&1 | grep -q xlc; then
1805 cc_type=xlc
6e3fa35d 1806 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1807 speed_cflags='-O5'
1808 size_cflags='-O5 -qcompact'
df442a8d
MR
1809elif $cc -V 2>/dev/null | grep -q Compaq; then
1810 cc_type=ccc
6e3fa35d 1811 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1812 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1813 debuglevel=3
df442a8d 1814 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1815 speed_cflags='-fast'
1816 size_cflags='-O1'
6a0d5493 1817elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1818 test -d "$sysroot" || die "No valid sysroot specified."
1819 cc_type=armcc
6e3fa35d 1820 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1821 armcc_conf="$PWD/armcc.conf"
1822 $cc --arm_linux_configure \
1823 --arm_linux_config_file="$armcc_conf" \
1824 --configure_sysroot="$sysroot" \
1825 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1826 die "Error creating armcc configuration file."
1827 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1828 as_default="${cross_prefix}gcc"
07dec06e
MR
1829 CC_DEPFLAGS='-MMD'
1830 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1831 speed_cflags='-O3'
1832 size_cflags='-Os'
6fec122a
MR
1833elif $cc -version 2>/dev/null | grep -q TMS470; then
1834 cc_type=tms470
6e3fa35d 1835 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1836 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1837 CC_O='-fr=$(@D)'
1838 as_default="${cross_prefix}gcc"
1839 ld_default="${cross_prefix}gcc"
6fec122a
MR
1840 TMPO=$(basename $TMPC .c).o
1841 append TMPFILES $TMPO
1842 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1843 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1844 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1845 speed_cflags='-O3 -mf=5'
1846 size_cflags='-O3 -mf=2'
6fec122a
MR
1847 filter_cflags=tms470_flags
1848 tms470_flags(){
1849 for flag; do
1850 case $flag in
1851 -march=*|-mcpu=*)
1852 case "${flag#*=}" in
1853 armv7-a|cortex-a*) echo -mv=7a8 ;;
1854 armv7-r|cortex-r*) echo -mv=7r4 ;;
1855 armv7-m|cortex-m*) echo -mv=7m3 ;;
1856 armv6*|arm11*) echo -mv=6 ;;
1857 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1858 echo -mv=5e ;;
1859 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1860 esac
1861 ;;
1862 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1863 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1864 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1865 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1866 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1867 -g) echo -g -mn ;;
587d24ff 1868 -pds=*) echo $flag ;;
6fec122a
MR
1869 esac
1870 done
1871 }
06da6943
DC
1872elif $cc -v 2>&1 | grep -q clang; then
1873 cc_type=clang
b67a8f49
DC
1874 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1875 cc_version=__clang_version__ || cc_version=__VERSION__
06da6943
DC
1876 CC_DEPFLAGS='-MMD'
1877 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1878 speed_cflags='-O3'
1879 size_cflags='-Os'
2a472e9c
MK
1880elif $cc -V 2>&1 | grep -q Sun; then
1881 cc_type=suncc
1882 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1883 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1884 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1885 speed_cflags='-O5'
1886 size_cflags='-O5 -xspace'
03279bbe
MK
1887 filter_cflags=suncc_flags
1888 suncc_flags(){
1889 for flag; do
1890 case $flag in
1891 -march=*|-mcpu=*)
1892 case "${flag#*=}" in
1893 native) echo -xtarget=native ;;
87ddc38b 1894 v9|niagara) echo -xarch=sparc ;;
03279bbe 1895 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1896 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1897 i586|pentium) echo -xchip=pentium ;;
1898 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1899 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1900 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1901 pentium4*) echo -xtarget=pentium4 ;;
1902 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1903 *-sse3) echo -xarch=sse3 ;;
1904 core2) echo -xarch=ssse3 -xchip=core2 ;;
1905 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1906 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1907 k8|opteron|athlon64|athlon-fx)
1908 echo -xarch=sse2a ;;
1909 athlon*) echo -xarch=pentium_proa ;;
1910 esac
1911 ;;
1912 -std=c99) echo -xc99 ;;
1913 -fomit-frame-pointer) echo -xregs=frameptr ;;
1914 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1915 -W*,*) echo $flag ;;
1916 -f*-*|-W*) ;;
1917 *) echo $flag ;;
1918 esac
1919 done
1920 }
629687f6
MR
1921fi
1922
851ffa80
MR
1923test -n "$cc_type" && enable $cc_type ||
1924 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1925
75bafbac 1926: ${as_default:=$cc}
50567afa 1927: ${dep_cc_default:=$cc}
684b28e0 1928: ${ld_default:=$cc}
121d78d0 1929set_default ar as dep_cc ld
75800dce 1930
07dec06e
MR
1931test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1932test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1933
7f32f40c 1934add_cflags $extra_cflags
2f2e6c7c 1935add_asflags $extra_cflags
7f32f40c 1936
154d432c
MR
1937if test -n "$sysroot"; then
1938 case "$cc_type" in
1939 gcc)
467256f2 1940 add_cppflags --sysroot="$sysroot"
154d432c
MR
1941 add_ldflags --sysroot="$sysroot"
1942 ;;
6fec122a
MR
1943 tms470)
1944 add_cppflags -I"$sysinclude"
1945 add_ldflags --sysroot="$sysroot"
1946 ;;
06da6943 1947 clang)
4def700e
DC
1948 add_cppflags -isysroot "$sysroot"
1949 add_ldflags -isysroot "$sysroot"
06da6943 1950 ;;
154d432c
MR
1951 esac
1952fi
1953
d22c13a8
MR
1954if test "$cpu" = host; then
1955 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1956
1957 case "$cc_type" in
1958 gcc)
1959 check_native(){
1960 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1961 sed -n "/$1=/{
1962 s/.*$1=\\([^ ]*\\).*/\\1/
1963 p
1964 q
1965 }" $TMPE
d22c13a8
MR
1966 }
1967 cpu=$(check_native -march || check_native -mcpu)
1968 ;;
1969 esac
1970
1971 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1972fi
1973
e939cedd
MR
1974# Deal with common $arch aliases
1975case "$arch" in
1976 arm*)
1977 arch="arm"
1978 ;;
1979 mips|mipsel|IP*)
1980 arch="mips"
1981 ;;
47b1860e 1982 mips64*)
e939cedd
MR
1983 arch="mips"
1984 subarch="mips64"
1985 ;;
1986 parisc|hppa)
1987 arch="parisc"
1988 ;;
1989 parisc64|hppa64)
1990 arch="parisc"
1991 subarch="parisc64"
1992 ;;
1993 "Power Macintosh"|ppc|powerpc)
1994 arch="ppc"
1995 ;;
47b1860e 1996 ppc64|powerpc64)
e939cedd
MR
1997 arch="ppc"
1998 subarch="ppc64"
1999 ;;
2000 s390|s390x)
2001 arch="s390"
2002 ;;
2003 sh4|sh)
2004 arch="sh4"
2005 ;;
2006 sun4u|sparc64)
2007 arch="sparc"
2008 subarch="sparc64"
2009 ;;
2010 i[3-6]86|i86pc|BePC|x86_64|amd64)
2011 arch="x86"
2012 ;;
2013esac
2014
851ffa80 2015is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2016enable $arch
e939cedd 2017
df5cdc24 2018# Add processor-specific flags
5d54c126
MR
2019if test "$cpu" = generic; then
2020 : do nothing
2021elif enabled ppc; then
343aef9b 2022
56348891
MR
2023 case $(tolower $cpu) in
2024 601|ppc601|powerpc601)
9dbd5c3d 2025 cpuflags="-mcpu=601"
64ad53ff 2026 disable altivec
9dbd5c3d 2027 ;;
56348891 2028 603*|ppc603*|powerpc603*)
9dbd5c3d 2029 cpuflags="-mcpu=603"
64ad53ff 2030 disable altivec
9dbd5c3d 2031 ;;
56348891 2032 604*|ppc604*|powerpc604*)
9dbd5c3d 2033 cpuflags="-mcpu=604"
64ad53ff 2034 disable altivec
9dbd5c3d 2035 ;;
56348891 2036 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2037 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2038 disable altivec
9dbd5c3d 2039 ;;
56348891 2040 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2041 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2042 ;;
56348891 2043 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2044 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2045 ;;
56348891 2046 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
2047 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2048 ;;
56348891 2049 cell)
9dbd5c3d
MR
2050 cpuflags="-mcpu=cell"
2051 enable ldbrx
2052 ;;
7b0b81a1
AL
2053 e500v2)
2054 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2055 disable altivec
2056 ;;
2057 e500)
2058 cpuflags="-mcpu=8540 -mhard-float"
2059 disable altivec
2060 ;;
9dbd5c3d 2061 esac
343aef9b
MR
2062
2063elif enabled x86; then
2064
9dbd5c3d
MR
2065 case $cpu in
2066 i[345]86|pentium)
2067 cpuflags="-march=$cpu"
2068 disable mmx
2069 ;;
2070 # targets that do NOT support conditional mov (cmov)
2071 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2072 cpuflags="-march=$cpu"
2073 disable cmov
2074 ;;
2075 # targets that do support conditional mov (cmov)
a65e687b 2076 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
2077 cpuflags="-march=$cpu"
2078 enable cmov
2079 enable fast_cmov
2080 ;;
2081 # targets that do support conditional mov but on which it's slow
2082 pentium4|pentium4m|prescott|nocona)
2083 cpuflags="-march=$cpu"
2084 enable cmov
2085 disable fast_cmov
2086 ;;
2087 esac
343aef9b
MR
2088
2089elif enabled sparc; then
2090
9dbd5c3d 2091 case $cpu in
26b7199e
MK
2092 niagara)
2093 cpuflags="-mcpu=$cpu"
2094 disable vis
2095 ;;
9dbd5c3d
MR
2096 sparc64)
2097 cpuflags="-mcpu=v9"
2098 ;;
2099 esac
343aef9b
MR
2100
2101elif enabled arm; then
2102
34ba23c9
MR
2103 case $cpu in
2104 armv*)
2105 cpuflags="-march=$cpu"
2106 ;;
2107 *)
2108 cpuflags="-mcpu=$cpu"
2109 ;;
2110 esac
343aef9b
MR
2111
2112elif enabled alpha; then
2113
34ba23c9 2114 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2115
2116elif enabled bfin; then
2117
34ba23c9 2118 cpuflags="-mcpu=$cpu"
343aef9b
MR
2119
2120elif enabled mips; then
2121
34ba23c9 2122 cpuflags="-march=$cpu"
343aef9b
MR
2123
2124elif enabled avr32; then
2125
9dbd5c3d
MR
2126 case $cpu in
2127 ap7[02]0[0-2])
2128 subarch="avr32_ap"
2129 cpuflags="-mpart=$cpu"
2130 ;;
2131 ap)
2132 subarch="avr32_ap"
2133 cpuflags="-march=$cpu"
2134 ;;
2135 uc3[ab]*)
2136 subarch="avr32_uc"
2137 cpuflags="-mcpu=$cpu"
2138 ;;
2139 uc)
2140 subarch="avr32_uc"
2141 cpuflags="-march=$cpu"
2142 ;;
2143 esac
df5cdc24 2144
343aef9b
MR
2145fi
2146
df5cdc24
MR
2147add_cflags $cpuflags
2148add_asflags $cpuflags
2149
993f2d0f
MR
2150# compiler sanity check
2151check_exec <<EOF
2152int main(void){ return 0; }
2153EOF
2154if test "$?" != 0; then
2155 echo "$cc is unable to create an executable file."
2156 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2157 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2158 echo "Only do this if you know what cross compiling means."
2159 fi
2160 die "C compiler test failed."
2161fi
2162
38a9c529 2163add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2164check_cflags -std=c99
50a334e4 2165check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2166#include <stdlib.h>
2167EOF
50a334e4 2168check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2169#include <stdlib.h>
2170EOF
e9b9a2f8 2171
f0125de9
MR
2172check_host_cflags -std=c99
2173
b24dbcbd 2174case "$arch" in
e939cedd 2175 alpha|ia64|mips|parisc|sparc)
8a3c8627 2176 spic=$shared
b24dbcbd 2177 ;;
e939cedd 2178 x86)
cfdb6148 2179 subarch="x86_32"
e939cedd 2180 check_cc <<EOF && subarch="x86_64"
58b3536d 2181 int test[(int)sizeof(char*) - 7];
cfdb6148 2182EOF
de27f4d9 2183 if test "$subarch" = "x86_64"; then
e939cedd 2184 spic=$shared
de27f4d9 2185 fi
b24dbcbd 2186 ;;
b24dbcbd
RP
2187esac
2188
343aef9b 2189enable $subarch
8a3c8627 2190enabled spic && enable pic
b24dbcbd 2191
7483e694 2192# OS specific
4f854758 2193case $target_os in
a1629e28 2194 haiku)
63ae7e7c 2195 prefix_default="/boot/common"
108caaaa 2196 network_extralibs="-lnetwork"
a1629e28 2197 ;;
7483e694
DB
2198 sunos)
2199 FFSERVERLDFLAGS=""
9987769a 2200 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2201 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2202 network_extralibs="-lsocket -lnsl"
50a334e4 2203 add_cppflags -D__EXTENSIONS__
8182dc34 2204 nm_opts='-P -g'
7483e694
DB
2205 ;;
2206 netbsd)
07a8eef6
MR
2207 oss_indev_extralibs="-lossaudio"
2208 oss_outdev_extralibs="-lossaudio"
2138dc99 2209 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2210 ;;
2211 openbsd)
89e053f8 2212 enable malloc_aligned
7c4a001a
MR
2213 # On OpenBSD 4.5. the compiler does not use PIC unless
2214 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2215 # however the generated executable will not do anything
2216 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2217 # Thus explicitly enable PIC here.
cd78208b 2218 enable pic
7483e694 2219 SHFLAGS='-shared'
07a8eef6
MR
2220 oss_indev_extralibs="-lossaudio"
2221 oss_outdev_extralibs="-lossaudio"
7483e694 2222 ;;
90b4f091 2223 freebsd|dragonfly)
89e053f8 2224 enable malloc_aligned
7483e694
DB
2225 ;;
2226 bsd/os)
355d81df 2227 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2228 strip="strip -d"
2229 ;;
2230 darwin)
89e053f8 2231 enable malloc_aligned
301ab19d 2232 gas="gas-preprocessor.pl $cc"
e08b8239 2233 enabled ppc && add_asflags -force_cpusubtype_ALL
0138c54e 2234 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2235 strip="${strip} -x"
355d81df 2236 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2237 SLIBSUF=".dylib"
2238 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2239 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2240 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2241 objformat="macho"
1b0f6fb8 2242 enabled x86_64 && objformat="macho64"
8dfa86f7 2243 enabled_any pic shared ||
2704bd1a 2244 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2245 ;;
2246 mingw32*)
9d3f4f50 2247 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2248 disable network
2249 else
2250 target_os=mingw32
2251 fi
dcc01c06 2252 LIBTARGET=i386
1fc9fb8a 2253 if enabled x86_64; then
89e053f8 2254 enable malloc_aligned
dcc01c06 2255 LIBTARGET=x64
336cc1b0
MS
2256 elif enabled arm; then
2257 LIBTARGET=arm
dcc01c06 2258 fi
fbd971a4 2259 shlibdir_default="$bindir_default"
7483e694
DB
2260 disable ffserver
2261 SLIBPREF=""
2262 SLIBSUF=".dll"
7483e694
DB
2263 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2264 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2265 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2266 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2267 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2268 install -d "$(LIBDIR)"; \
2269 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2270 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2271 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2272 objformat="win32"
bc574408 2273 enable dos_paths
1894e741 2274 check_cflags -fno-common
e26011d0
RP
2275 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2276 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2277 die "ERROR: MinGW runtime version must be >= 3.15."
7483e694
DB
2278 ;;
2279 cygwin*)
4f854758 2280 target_os=cygwin
fbd971a4 2281 shlibdir_default="$bindir_default"
7483e694
DB
2282 SLIBPREF="cyg"
2283 SLIBSUF=".dll"
2284 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2285 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2286 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2287 objformat="win32"
bc574408 2288 enable dos_paths
1894e741 2289 check_cflags -fno-common
7483e694 2290 ;;
4f365f37 2291 *-dos|freedos|opendos)
fdf11906 2292 disable ffplay ffserver
4f365f37
MK
2293 disable $INDEV_LIST $OUTDEV_LIST
2294 network_extralibs="-lsocket"
ff1c015d 2295 objformat="coff"
bc574408 2296 enable dos_paths
4f365f37 2297 ;;
7483e694 2298 linux)
7483e694
DB
2299 enable dv1394
2300 ;;
2301 irix*)
4f854758 2302 target_os=irix
7483e694
DB
2303 ranlib="echo ignoring ranlib"
2304 ;;
d22e8442 2305 os/2*)
d22e8442
DY
2306 strip="lxlite"
2307 ln_s="cp -f"
355d81df 2308 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2309 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2310 FFSERVERLDFLAGS=""
287d3b13 2311 LIBSUF="_s.a"
d22e8442
DY
2312 SLIBPREF=""
2313 SLIBSUF=".dll"
2314 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2315 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2316 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2317 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2318 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2319 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2320 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2321 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2322 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2323 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2324 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2325 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2326 enable dos_paths
d22e8442 2327 ;;
83993c1c
AM
2328 gnu/kfreebsd)
2329 ;;
34e82167 2330 gnu)
34e82167 2331 ;;
614d8911
MR
2332 none)
2333 ;;
7483e694 2334 *)
4f924f9a 2335 die "Unknown OS '$target_os'."
7483e694
DB
2336 ;;
2337esac
2338
13cb2187
AS
2339check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2340
c9d19248
MR
2341set_default $PATHS_LIST
2342
320d060a 2343# we need to build at least one lib type
93b3c083 2344if ! enabled_any static shared; then
320d060a
DB
2345 cat <<EOF
2346At least one library type must be built.
2347Specify --enable-static to build the static libraries or --enable-shared to
2348build the shared libraries as well. To only build the shared libraries specify
2349--disable-static in addition to --enable-shared.
2350EOF
2351 exit 1;
2352fi
2353
abc4e572 2354disabled static && LIBNAME=""
2a320695 2355
2184c6f7 2356die_license_disabled() {
4c27207c 2357 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2358}
2359
2184c6f7
DB
2360die_license_disabled gpl libx264
2361die_license_disabled gpl libxvid
2362die_license_disabled gpl postproc
2363die_license_disabled gpl x11grab
2364
2f7ae63b 2365die_license_disabled nonfree libfaac
b2e3c528 2366
0b175caa
DB
2367die_license_disabled version3 libopencore_amrnb
2368die_license_disabled version3 libopencore_amrwb
2369
9cad0e4e 2370enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2371
9eeed841 2372check_deps $ARCH_EXT_LIST
0f3cb305 2373
40617a6d 2374disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2375
e276d9e8
MR
2376enable_pic() {
2377 enable pic
bce7b696
MR
2378 add_cppflags -DPIC
2379 add_cflags -fPIC
2380 add_asflags -fPIC
e276d9e8
MR
2381}
2382
2383enabled pic && enable_pic
bce7b696 2384
b4d96ba2
MR
2385check_cc <<EOF || die "Symbol mangling check failed."
2386int ff_extern;
2387EOF
8182dc34 2388sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2389extern_prefix=${sym%%ff_extern*}
2390
f65883c8
MR
2391check_cc <<EOF && enable inline_asm
2392void foo(void) { __asm__ volatile ("" ::); }
2393EOF
61d251db 2394
df5e3978
MR
2395_restrict=
2396for restrict_keyword in restrict __restrict__ __restrict; do
2397 check_cc <<EOF && _restrict=$restrict_keyword && break
2398void foo(char * $restrict_keyword p);
2399EOF
2400done
2401
2402check_cc <<EOF && enable attribute_packed
2403struct { int x; } __attribute__((packed)) x;
2404EOF
2405
dffb41b9
MR
2406check_cc <<EOF && enable attribute_may_alias
2407union { int x; } __attribute__((may_alias)) x;
2408EOF
2409
df5e3978
MR
2410check_cc <<EOF || die "endian test failed"
2411unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2412EOF
48fc536a 2413od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2414
e939cedd
MR
2415if enabled alpha; then
2416
2417 check_cflags -mieee
2418
2419elif enabled arm; then
e45391bb 2420
50fa82e6 2421 check_cflags -marm
301ab19d 2422 nogas=die
50fa82e6 2423
fa0912fe
MR
2424 check_ld <<EOF && enable vfp_args
2425__asm__ (".eabi_attribute 28, 1");
2426int main(void) { return 0; }
2427EOF
2428
2429 # We have to check if pld is a nop and disable it.
2430 check_asm pld '"pld [r0]"'
2431
2432 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2433 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2434 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2435 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2436 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2437 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2438
e276d9e8
MR
2439 enabled_all armv6t2 shared !pic && enable_pic
2440
fa0912fe 2441elif enabled mips; then
e45391bb 2442
fa0912fe
MR
2443 check_asm loongson '"dmult.g $1, $2, $3"'
2444 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2445
fa0912fe 2446elif enabled ppc; then
e45391bb 2447
e6a0c354
MR
2448 enable local_aligned_8 local_aligned_16
2449
135448fa 2450 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2451 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2452 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2453 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2454
2455 # AltiVec flags: The FSF version of GCC differs from the Apple version
2456 if enabled altivec; then
301ab19d 2457 nogas=warn
fa0912fe
MR
2458 check_cflags -maltivec -mabi=altivec &&
2459 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2460 check_cflags -faltivec
2461
2462 # check if our compiler supports Motorola AltiVec C API
2463 check_cc <<EOF || disable altivec
2464$inc_altivec_h
2465int main(void) {
2466 vector signed int v1, v2, v3;
2467 v1 = vec_add(v2,v3);
2468 return 0;
2469}
2470EOF
2471
2472 # check if our compiler supports braces for vector declarations
2473 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2474$inc_altivec_h
2475int main (void) { (vector int) {1}; return 0; }
2476EOF
2477 fi
e45391bb 2478
fa0912fe 2479elif enabled sparc; then
e45391bb 2480
fa0912fe
MR
2481 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2482 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2483
fa0912fe 2484elif enabled x86; then
e45391bb 2485
e6a0c354
MR
2486 enable local_aligned_8 local_aligned_16
2487
44965991
PI
2488 # check whether EBP is available on x86
2489 # As 'i' is stored on the stack, this program will crash
2490 # if the base pointer is used to access it because the
2491 # base pointer is cleared in the inline assembly code.
7dfef245 2492 check_exec_crash <<EOF && enable ebp_available
44965991 2493 volatile int i=0;
be449fca 2494 __asm__ volatile (
44965991
PI
2495 "xorl %%ebp, %%ebp"
2496 ::: "%ebp");
2497 return i;
44965991
PI
2498EOF
2499
f494213c 2500 # check whether EBX is available on x86
7cee5421
MR
2501 check_asm ebx_available '""::"b"(0)' &&
2502 check_asm ebx_available '"":::"%ebx"'
8e380710 2503
d3a4b4e0
DB
2504 # check whether more than 10 operands are supported
2505 check_cc <<EOF && enable ten_operands
2506int main(void) {
2507 int x=0;
2508 __asm__ volatile(
2509 ""
2510 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2511 );
2512 return 0;
2513}
2514EOF
2515
d7f0920b 2516 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2517 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2518 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2519
2520 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2521
d52481b9 2522 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2523 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2524 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2525 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2526 case "$objformat" in
2527 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2528 esac
31a0dcb2
MR
2529 if ! disabled yasm; then
2530 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2531 warn "yasm not found, performance will suffer"
2532 fi
e45391bb 2533
669b5583
MR
2534 case "$cpu" in
2535 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2536 disable fast_clz
2537 ;;
2538 esac
2539
44965991
PI
2540fi
2541
301ab19d
MR
2542if enabled asm; then
2543 as=${gas:=$as}
2544 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2545 $nogas "GNU assembler not found, install gas-preprocessor"
2546fi
2547
a98bb16d
RP
2548if check_func dlopen; then
2549 ldl=
2550elif check_func dlopen -ldl; then
2551 ldl=-ldl
8bf5d58f
MN
2552fi
2553
75ecf149
DB
2554# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2555check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2556
534a2231 2557check_func fcntl
7483e694 2558check_func fork
84882df6 2559check_func getaddrinfo $network_extralibs
7483e694
DB
2560check_func gethrtime
2561check_func getrusage
fc5607f8 2562check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2563check_func inet_aton $network_extralibs
abfc8d05 2564check_func isatty
4ae40685 2565check_func ${malloc_prefix}memalign && enable memalign
7483e694 2566check_func mkstemp
4ae40685 2567check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2568check_func setrlimit
87958234 2569check_func strerror_r
b507ebd1 2570check_func_headers io.h setmode
e4673692 2571check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2572check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2573check_func_headers windows.h GetProcessTimes
7c5bfe7a 2574check_func_headers windows.h VirtualAlloc
6ffa87d3 2575
e16e49ac 2576check_header conio.h
a98bb16d 2577check_header dlfcn.h
92c6a099 2578check_header dxva2api.h
a98bb16d 2579check_header malloc.h
bf6ce82d 2580check_header poll.h
b58412f1 2581check_header sys/mman.h
b091aa44 2582check_header sys/resource.h
bf6ce82d 2583check_header sys/select.h
a98bb16d 2584check_header termios.h
272081b0
CEH
2585check_header vdpau/vdpau.h
2586check_header vdpau/vdpau_x11.h
68178ca9 2587check_header X11/extensions/XvMClib.h
a98bb16d 2588
9104cd51
RP
2589check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2590
89e053f8
MR
2591if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2592 enabled_any $need_memalign ; then
1f91cdce 2593 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2594fi
e16e49ac 2595
a4fa192c 2596disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2597disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2598
2599# check for some common methods of building with pthread support
2600# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2601if ! disabled pthreads && ! enabled w32threads; then
2602 enable pthreads
9e7fd101
MR
2603 if check_func pthread_create; then
2604 :
2605 elif check_func pthread_create -pthread; then
2606 add_cflags -pthread
afc9aee2 2607 add_extralibs -pthread
9e7fd101
MR
2608 elif check_func pthread_create -pthreads; then
2609 add_cflags -pthreads
afc9aee2 2610 add_extralibs -pthreads
8d94f606
GT
2611 elif check_func pthread_create -lpthreadGC2; then
2612 add_extralibs -lpthreadGC2
9e7fd101 2613 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2614 disable pthreads
9e7fd101 2615 fi
57bd82d4
MR
2616fi
2617
8eee7025 2618for thread in $THREADS_LIST; do
e5f94c2b 2619 if enabled $thread; then
3ae3b721
RP
2620 test -n "$thread_type" &&
2621 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2622 thread_type="$thread"
e5f94c2b
RP
2623 fi
2624done
2625
fdf88598 2626check_lib math.h sin -lm
edd43c95 2627disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2628
645d2652
MR
2629check_mathfunc exp2
2630check_mathfunc exp2f
2631check_mathfunc llrint
07876e25 2632check_mathfunc llrintf
645d2652
MR
2633check_mathfunc log2
2634check_mathfunc log2f
2635check_mathfunc lrint
2636check_mathfunc lrintf
2637check_mathfunc round
2638check_mathfunc roundf
2639check_mathfunc truncf
f32adb22 2640
57bd82d4 2641# these are off by default, so fail if requested and not available
a1b3c5a3 2642enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2643enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2644 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2645 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2646enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2647enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
eb7626a3 2648enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
7483e694 2649enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
eb7626a3
MR
2650enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2651enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3d6fac8c 2652enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
42ebfc54
RP
2653enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2654 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
36718e51
DB
2655enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2656 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2657enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2658enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2659enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ea28e81f
MR
2660enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2661 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2662 die "ERROR: libvpx version must be >=0.9.1"; }
eb7626a3 2663enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
652d9d24
JGG
2664 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2665 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2666enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2667enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2668
0b4a1821
AS
2669# libdc1394 check
2670if enabled libdc1394; then
2671 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2672 enable libdc1394_2; } ||
2673 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2674 enable libdc1394_1; } ||
2675 die "ERROR: No version of libdc1394 found "
2676fi
2677
6a1a892f 2678SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2679if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2680 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2681 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2682 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2683 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2684 enable sdl &&
2685 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2686fi
57bd82d4 2687
2270b4b2 2688texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2689
73b46a95 2690if enabled network; then
96000432 2691 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2692 check_type netdb.h "struct addrinfo"
b4d68544
MS
2693 check_type netinet/in.h "struct ipv6_mreq"
2694 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2695 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2696 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2697 # Prefer arpa/inet.h over winsock2
2698 if check_header arpa/inet.h ; then
2699 check_func closesocket
2700 elif check_header winsock2.h ; then
f4c13872
MS
2701 check_func_headers winsock2.h closesocket -lws2 && \
2702 network_extralibs="-lws2" || \
2703 { check_func_headers winsock2.h closesocket -lws2_32 && \
2704 network_extralibs="-lws2_32"; }
72be9e73 2705 check_type ws2tcpip.h socklen_t
c0018613 2706 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2707 check_type ws2tcpip.h "struct ipv6_mreq"
2708 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2709 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2710 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2711 else
2712 disable network
73b46a95
RP
2713 fi
2714fi
2715
06e31011
RP
2716check_header linux/videodev.h
2717check_header linux/videodev2.h
1b6e8b73 2718check_header sys/videoio.h
47f38850 2719
27796dc3 2720check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
2721# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2722# w32api 3.12 had it defined wrong
2723check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 2724
f8aa696f 2725# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2726{ check_header dev/bktr/ioctl_meteor.h &&
2727 check_header dev/bktr/ioctl_bt848.h; } ||
2728{ check_header machine/ioctl_meteor.h &&
2729 check_header machine/ioctl_bt848.h; } ||
2730{ check_header dev/video/meteor/ioctl_meteor.h &&
2731 check_header dev/video/bktr/ioctl_bt848.h; } ||
2732check_header dev/ic/bt8xx.h
f8aa696f 2733
c7682de0
RP
2734check_header sys/soundcard.h
2735check_header soundcard.h
deb29777 2736
b6f3d925 2737enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2738
0e57fe17 2739enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2740
56a059ac 2741enabled x11grab &&
f58f4ce1
GP
2742check_header X11/Xlib.h &&
2743check_header X11/extensions/XShm.h &&
0a045661 2744check_header X11/extensions/Xfixes.h &&
f58f4ce1 2745check_func XOpenDisplay -lX11 &&
781c1aa6
R
2746check_func XShmCreateImage -lX11 -lXext &&
2747check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2748
598ef02b 2749if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2750check_cpp_condition \
2751 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2752 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2753 disable vdpau; }
abf649c7 2754fi
deda2a4a 2755
95e561ec 2756enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2757
2758# add some useful compiler flags if supported
2759check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2760check_cflags -Wall
2761check_cflags -Wno-switch
c07bd6a9
MN
2762check_cflags -Wdisabled-optimization
2763check_cflags -Wpointer-arith
2764check_cflags -Wredundant-decls
cc1fb623 2765check_cflags -Wno-pointer-sign
f4929996 2766check_cflags -Wcast-qual
9aceb3cf 2767check_cflags -Wwrite-strings
652a5bf6 2768check_cflags -Wtype-limits
764551c6 2769check_cflags -Wundef
fc298fd9 2770check_cflags -Wmissing-prototypes
5af4e0cc 2771enabled extra_warnings && check_cflags -Winline
cf9d24ad 2772
57bd82d4 2773# add some linker flags
5c0e9479 2774check_ldflags -Wl,--warn-common
8351d2ba
DB
2775check_ldflags -Wl,--as-needed
2776check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
c2fd6530 2777check_ldflags -Wl,-Bsymbolic
94a3401e 2778
a482e61b 2779echo "X{};" > $TMPV
b462d132 2780if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2781 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2782 check_cc <<EOF && enable symver_asm_label
2783void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2784void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2785EOF
2786 check_cc <<EOF && enable symver_gnu_asm
2787__asm__(".symver ff_foo,av_foo@VERSION");
2788void ff_foo(void) {}
2789EOF
2790fi
a482e61b 2791
bd2216e4 2792if enabled small; then
14ca9cd0 2793 add_cflags $size_cflags
8400d6b8
DB
2794 optimizations="small"
2795elif enabled optimizations; then
14ca9cd0 2796 add_cflags $speed_cflags
b05394a0
MR
2797else
2798 add_cflags $noopt_cflags
cddf3f45 2799fi
11fdbc44 2800check_cflags -fno-math-errno
b2eb2ff0 2801check_cflags -fno-signed-zeros
cddf3f45 2802
629687f6 2803if enabled icc; then
b1598b58
MR
2804 # Just warnings, no remarks
2805 check_cflags -w1
2806 # -wd: Disable following warnings
2807 # 144, 167, 556: -Wno-pointer-sign
2808 # 10006: ignoring unknown option -fno-signed-zeros
2809 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2810 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2811 # 11030: Warning unknown option --as-needed
2812 # 10156: ignoring option '-export'; no argument required
2813 check_ldflags -wd10156,11030
2814 # Allow to compile with optimizations
2815 check_ldflags -march=$cpu
be2cf98a
CEH
2816 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2817 enable ebp_available
df442a8d
MR
2818elif enabled ccc; then
2819 # disable some annoying warnings
2820 add_cflags -msg_disable cvtu32to64
2821 add_cflags -msg_disable embedcomment
2822 add_cflags -msg_disable needconstext
2823 add_cflags -msg_disable nomainieee
2824 add_cflags -msg_disable ptrmismatch1
2825 add_cflags -msg_disable unreachcode
973859f5
MR
2826elif enabled gcc; then
2827 check_cflags -fno-tree-vectorize
765e6134 2828 check_cflags -Werror=implicit-function-declaration
de63bfec 2829 check_cflags -Werror=missing-prototypes
06da6943
DC
2830elif enabled clang; then
2831 check_cflags -Qunused-arguments
138132be
MR
2832elif enabled armcc; then
2833 # 2523: use of inline assembler is deprecated
2834 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2835 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2836elif enabled tms470; then
2837 add_cflags -pds=824 -pds=837
504a64b9
CEH
2838fi
2839
7483e694
DB
2840enabled_any $THREADS_LIST && enable threads
2841
2842check_deps $CONFIG_LIST \
b6bb00b0 2843 $CONFIG_EXTRA \
7483e694
DB
2844 $HAVE_LIST \
2845 $DECODER_LIST \
2846 $ENCODER_LIST \
5666fd73 2847 $HWACCEL_LIST \
7483e694
DB
2848 $PARSER_LIST \
2849 $BSF_LIST \
2850 $DEMUXER_LIST \
2851 $MUXER_LIST \
f7679c54 2852 $FILTER_LIST \
7483e694
DB
2853 $INDEV_LIST \
2854 $OUTDEV_LIST \
2855 $PROTOCOL_LIST \
57442411
MR
2856 $ACODEC_TESTS \
2857 $VCODEC_TESTS \
2858 $LAVF_TESTS \
48c28162 2859 $LAVFI_TESTS \
f70f03f6 2860
3bfd582c 2861enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2862
3e89171a 2863echo "install prefix $prefix"
f36958f8
DB
2864echo "source path $source_path"
2865echo "C compiler $cc"
f36958f8 2866echo "ARCH $arch ($cpu)"
ce8871c2
MR
2867if test "$build_suffix" != ""; then
2868 echo "build suffix $build_suffix"
eb94aca9 2869fi
ac63af34
DB
2870if test "$extra_version" != ""; then
2871 echo "version string suffix $extra_version"
2872fi
0db2ce77 2873echo "big-endian ${bigendian-no}"
e90f5b5a 2874echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2875if enabled x86; then
af44e8e4 2876 echo "yasm ${yasm-no}"
0db2ce77 2877 echo "MMX enabled ${mmx-no}"
30e98e62 2878 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2879 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2880 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2881 echo "SSE enabled ${sse-no}"
30e98e62 2882 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2883 echo "CMOV enabled ${cmov-no}"
2884 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2885 echo "EBX available ${ebx_available-no}"
2886 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2887 echo "10 operands supported ${ten_operands-no}"
e41e8342 2888fi
5b6c2cbd 2889if enabled arm; then
0db2ce77
MR
2890 echo "ARMv5TE enabled ${armv5te-no}"
2891 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2892 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2893 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2894 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2895 echo "NEON enabled ${neon-no}"
eba9ae3c 2896fi
5b6c2cbd 2897if enabled mips; then
0db2ce77 2898 echo "MMI enabled ${mmi-no}"
e41e8342 2899fi
5b6c2cbd 2900if enabled ppc; then
0db2ce77 2901 echo "AltiVec enabled ${altivec-no}"
30e98e62 2902 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2903 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2904fi
2905if enabled sparc; then
2906 echo "VIS enabled ${vis-no}"
e41e8342 2907fi
0db2ce77 2908echo "debug symbols ${debug-no}"
87a0fb62 2909echo "strip symbols ${stripping-no}"
8400d6b8 2910echo "optimizations ${optimizations-no}"
0db2ce77
MR
2911echo "static ${static-no}"
2912echo "shared ${shared-no}"
4a24ab64 2913echo "postprocessing support ${postproc-no}"
f7679c54 2914echo "new filter support ${avfilter-no}"
81124ba0 2915echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2916echo "network support ${network-no}"
0db2ce77
MR
2917echo "threading support ${thread_type-no}"
2918echo "SDL support ${sdl-no}"
0db2ce77
MR
2919echo "Sun medialib support ${mlib-no}"
2920echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2921echo "libdc1394 support ${libdc1394-no}"
690bfceb 2922echo "libdirac enabled ${libdirac-no}"
0db2ce77 2923echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2924echo "libgsm enabled ${libgsm-no}"
2925echo "libmp3lame enabled ${libmp3lame-no}"
2926echo "libnut enabled ${libnut-no}"
0b175caa
DB
2927echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2928echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2929echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2930echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2931echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2932echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2933echo "libtheora enabled ${libtheora-no}"
2934echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2935echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2936echo "libx264 enabled ${libx264-no}"
2937echo "libxvid enabled ${libxvid-no}"
0db2ce77 2938echo "zlib enabled ${zlib-no}"
f402916e 2939echo "bzlib enabled ${bzlib-no}"
2c62e737 2940echo
de6d9b64 2941
5666fd73 2942for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2943 echo "Enabled ${type}s:"
f65c9da1 2944 eval list=\$$(toupper $type)_LIST
31c0121d 2945 print_enabled '_*' $list | sort | pr -3 -t
f65c9da1 2946 echo
8138b9db
RP
2947done
2948
ba7a7039 2949license="LGPL version 2.1 or later"
ba321adb 2950if enabled nonfree; then
ba7a7039 2951 license="nonfree and unredistributable"
9cad0e4e
DB
2952elif enabled gplv3; then
2953 license="GPL version 3 or later"
2954elif enabled lgplv3; then
2955 license="LGPL version 3 or later"
ba321adb 2956elif enabled gpl; then
ba7a7039 2957 license="GPL version 2 or later"
ba321adb
JK
2958fi
2959
2960echo "License: $license"
ca5323af 2961
cf1392e9
DB
2962echo "Creating config.mak and config.h..."
2963
df642790
MR
2964# build tree in object directory if source path is different from current one
2965if enabled source_path_used; then
2966 DIRS="
2967 doc
2968 libavcodec
2969 libavcodec/$arch
2970 libavdevice
2971 libavfilter
2972 libavformat
2973 libavutil
2974 libavutil/$arch
2975 libpostproc
2976 libswscale
2977 libswscale/$arch
2978 tests
2979 tools
2980 "
2981 FILES="
2982 Makefile
2983 common.mak
2984 subdir.mak
2985 doc/texi2pod.pl
2986 libavcodec/Makefile
43f60eba 2987 libavcodec/${arch}/Makefile
df642790
MR
2988 libavdevice/Makefile
2989 libavfilter/Makefile
2990 libavformat/Makefile
2991 libavutil/Makefile
2992 libpostproc/Makefile
2993 libswscale/Makefile
2994 "
e0e335a0 2995 map 'mkdir -p $v' $DIRS;
43f60eba 2996 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2997fi
2998
ad212cc6
MR
2999enabled stripping || strip="echo skipping strip"
3000
173c983b
MR
3001cat > config.mak <<EOF
3002# Automatically generated by configure - do not modify!
3003ifndef FFMPEG_CONFIG_MAK
3004FFMPEG_CONFIG_MAK=1
3005FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3006prefix=$prefix
3007LIBDIR=\$(DESTDIR)$libdir
3008SHLIBDIR=\$(DESTDIR)$shlibdir
3009INCDIR=\$(DESTDIR)$incdir
3010BINDIR=\$(DESTDIR)$bindir
3011DATADIR=\$(DESTDIR)$datadir
3012MANDIR=\$(DESTDIR)$mandir
3013SRC_PATH="$source_path"
3014SRC_PATH_BARE=$source_path
3015BUILD_ROOT="$PWD"
3016ARCH=$arch
3017CC=$cc
3018AS=$as
3019LD=$ld
3020DEPCC=$dep_cc
3021YASM=$yasmexe
a4aea515 3022YASMDEP=$yasmexe
173c983b
MR
3023AR=$ar
3024RANLIB=$ranlib
4335125c 3025CP=cp -p
173c983b
MR
3026LN_S=$ln_s
3027STRIP=$strip
3028CPPFLAGS=$CPPFLAGS
3029CFLAGS=$CFLAGS
3030ASFLAGS=$ASFLAGS
3031CC_O=$CC_O
3032LDFLAGS=$LDFLAGS
3033FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3034SHFLAGS=$SHFLAGS
3035YASMFLAGS=$YASMFLAGS
3036BUILDSUF=$build_suffix
3037FULLNAME=$FULLNAME
3038LIBPREF=$LIBPREF
3039LIBSUF=$LIBSUF
3040LIBNAME=$LIBNAME
3041SLIBPREF=$SLIBPREF
3042SLIBSUF=$SLIBSUF
3043EXESUF=$EXESUF
3044EXTRA_VERSION=$extra_version
3045DEPFLAGS=$DEPFLAGS
3046CCDEP=$CCDEP
3047ASDEP=$ASDEP
3048CC_DEPFLAGS=$CC_DEPFLAGS
3049AS_DEPFLAGS=$AS_DEPFLAGS
3050HOSTCC=$host_cc
3051HOSTCFLAGS=$host_cflags
3052HOSTEXESUF=$HOSTEXESUF
3053HOSTLDFLAGS=$host_ldflags
3054HOSTLIBS=$host_libs
3055TARGET_EXEC=$target_exec
3056TARGET_PATH=$target_path
3057SDL_LIBS=$sdl_libs
3058SDL_CFLAGS=$sdl_cflags
3059LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3060EXTRALIBS=$extralibs
fd676deb 3061INSTALL=install
1afc4750
MR
3062LIBTARGET=${LIBTARGET}
3063SLIBNAME=${SLIBNAME}
3064SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3065SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3066SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3067SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3068SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3069SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3070SAMPLES=$samples
173c983b 3071EOF
5a872801 3072
719c8e00
MR
3073get_version(){
3074 name=$1
3075 file=$source_path/$2
147e7692
MR
3076 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3077 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3078 lcname=$(tolower $name)
3079 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3080 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3081}
3082
147e7692
MR
3083get_version LIBSWSCALE libswscale/swscale.h
3084get_version LIBPOSTPROC libpostproc/postprocess.h
3085get_version LIBAVCODEC libavcodec/avcodec.h
3086get_version LIBAVDEVICE libavdevice/avdevice.h
3087get_version LIBAVFORMAT libavformat/avformat.h
3088get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3089get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3090
173c983b
MR
3091cat > $TMPH <<EOF
3092/* Automatically generated by configure - do not modify! */
3093#ifndef FFMPEG_CONFIG_H
3094#define FFMPEG_CONFIG_H
3095#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3096#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3097#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3098#define CC_TYPE "$cc_type"
3099#define CC_VERSION $cc_version
3100#define restrict $_restrict
42719e20 3101#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
3102#define EXTERN_PREFIX "${extern_prefix}"
3103#define EXTERN_ASM ${extern_prefix}
3104EOF
523ef551 3105
4ae40685
MR
3106test -n "$malloc_prefix" &&
3107 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3108
523ef551 3109if enabled small || disabled optimizations; then
9a894c48 3110 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3111 echo "#define av_always_inline" >> $TMPH
3112fi
3113
3d907e22
MR
3114print_config ARCH_ $TMPH config.mak $ARCH_LIST
3115print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3116print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3117 $CONFIG_EXTRA \
7483e694
DB
3118 $DECODER_LIST \
3119 $ENCODER_LIST \
5666fd73 3120 $HWACCEL_LIST \
7483e694
DB
3121 $PARSER_LIST \
3122 $BSF_LIST \
3123 $DEMUXER_LIST \
3124 $MUXER_LIST \
f7679c54 3125 $FILTER_LIST \
7483e694
DB
3126 $PROTOCOL_LIST \
3127 $INDEV_LIST \
3128 $OUTDEV_LIST \
8ac17293 3129
57442411
MR
3130cat >>config.mak <<EOF
3131ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3132VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3133LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
48c28162 3134LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
57442411
MR
3135EOF
3136
9c05103f 3137echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3138echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3139
b7860763 3140# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3141cp_if_changed $TMPH config.h
3d204385 3142
a3e02a8c
MR
3143cat > $TMPH <<EOF
3144/* Generated by ffconf */
3145#ifndef AVUTIL_AVCONFIG_H
3146#define AVUTIL_AVCONFIG_H
3147EOF
3148
3149print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3150
3151echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3152
3153cp_if_changed $TMPH libavutil/avconfig.h
3154
7bfc8ae6
MR
3155test -n "$WARNINGS" && printf "\n$WARNINGS"
3156
d0674868 3157# build pkg-config files
def4272a 3158
d0674868
DB
3159pkgconfig_generate(){
3160name=$1
b0dfd108 3161shortname=${name#lib}${build_suffix}
d0674868
DB
3162comment=$2
3163version=$3
3164libs=$4
3165requires=$5
25cd5cb3 3166cat <<EOF > $name/$name.pc
3e89171a 3167prefix=$prefix
a94e666c 3168exec_prefix=\${prefix}
f2b7382c 3169libdir=$libdir
7622778e 3170includedir=$incdir
def4272a 3171
d0674868
DB
3172Name: $name
3173Description: $comment
3174Version: $version
8cd6b388 3175Requires: $(enabled shared || echo $requires)
5dcfe9f8 3176Requires.private: $(enabled shared && echo $requires)
def4272a 3177Conflicts:
8cd6b388 3178Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3179Libs.private: $(enabled shared && echo $libs)
76a448ed 3180Cflags: -I\${includedir}
def4272a 3181EOF
25cd5cb3 3182cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3183prefix=
3184exec_prefix=
46d1ff83 3185libdir=\${pcfiledir}
1d44d365 3186includedir=${source_path}
def4272a 3187
d0674868
DB
3188Name: $name
3189Description: $comment
3190Version: $version
3191Requires: $requires
def4272a 3192Conflicts:
12701f6e 3193Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3194Cflags: -I\${includedir}
3195EOF
d0674868 3196}
def4272a 3197
e426941d 3198pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3199pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3200pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3201pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3202enabled avfilter &&
46983309 3203 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3204enabled postproc &&
e426941d 3205 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3206pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"