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[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 "$1" | sed "s/'/'\\\\''/g")
f29be470 307 test "x$v" = "x${v#*[^A-Za-z0-9_/.+-]}" || v="'$v'"
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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
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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"
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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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439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
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444}
445
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446set_default(){
447 for opt; do
88268e94 448 eval : \${$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
4ec45764
RP
490 fi
491
799c9e9b 492 disable ${cfg}_checking
30fd06be
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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 $TMPC
57bd82d4
MR
564}
565
566check_cpp(){
567 log check_cpp "$@"
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 $TMPS
597}
598
dcd479c0 599check_ld(){
57bd82d4 600 log check_ld "$@"
3155a644
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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(){
b9d5f1b7 1615 map "echo ${2}\${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=$(find_tests lavfi)
b9d5f1b7 1622SEEK_TESTS=$(find_tests seek seek_)
57442411 1623
40fe5019
MR
1624pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1625
8469ae22
MR
1626for n in $COMPONENT_LIST; do
1627 v=$(toupper ${n%s})_LIST
1628 eval enable \$$v
1629 eval ${n}_if_any="\$$v"
1630done
1631
b9d5f1b7 1632enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
c597172e
MR
1633
1634die_unknown(){
1635 echo "Unknown option \"$1\"."
1636 echo "See $0 --help for available options."
1637 exit 1
1638}
1639
794f8e97 1640show_list() {
bf0c4afa
RP
1641 suffix=_$1
1642 shift
2b444ea7 1643 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1644 exit 0
1645}
1646
c597172e 1647for opt do
7483e694
DB
1648 optval="${opt#*=}"
1649 case "$opt" in
0f010b2f 1650 --extra-ldflags=*) add_ldflags $optval
7483e694 1651 ;;
0f010b2f 1652 --extra-libs=*) add_extralibs $optval
7483e694 1653 ;;
8fb1cb58 1654 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1655 ;;
40bcf4c7
BL
1656 --enable-debug=*) debuglevel="$optval"
1657 ;;
36e2dea0 1658 --disable-everything)
1b15dc3c 1659 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1660 ;;
7483e694 1661 --enable-*=*|--disable-*=*)
8b93ddc3 1662 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1663 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1664 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1665 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1666 $action $(filter "$name" $list)
7483e694
DB
1667 ;;
1668 --enable-?*|--disable-?*)
5e622c40 1669 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1670 if is_in $option $COMPONENT_LIST; then
fed5d54b 1671 test $action = disable && action=unset
e3773a55
MR
1672 eval $action \$$(toupper ${option%s})_LIST
1673 elif is_in $option $CMDLINE_SELECT; then
1674 $action $option
1675 else
1676 die_unknown $opt
1677 fi
7483e694
DB
1678 ;;
1679 --list-*)
1680 NAME="${opt#--list-}"
1681 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1682 NAME=${NAME%s}
1683 eval show_list $NAME \$$(toupper $NAME)_LIST
1684 ;;
1685 --help|-h) show_help
1686 ;;
1687 *)
884a36a7 1688 optname="${opt%%=*}"
26759c44
MR
1689 optname="${optname#--}"
1690 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1691 if is_in $optname $CMDLINE_SET; then
1692 eval $optname='$optval'
1693 elif is_in $optname $CMDLINE_APPEND; then
1694 append $optname "$optval"
1695 else
1696 die_unknown $opt
1697 fi
7483e694
DB
1698 ;;
1699 esac
c597172e
MR
1700done
1701
bcea99bb
MR
1702disabled logging && logfile=/dev/null
1703
13cbe2c0 1704echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1705set >> $logfile
1706
9da6609f
MR
1707test -n "$cross_prefix" && enable cross_compile
1708
8d4c00ed
MR
1709if enabled cross_compile; then
1710 test -n "$arch" && test -n "$target_os" ||
1711 die "Must specify target arch and OS when cross-compiling"
1712fi
1713
1714set_default arch target_os
1715
121d78d0 1716ar_default="${cross_prefix}${ar_default}"
11e6d03a 1717cc_default="${cross_prefix}${cc_default}"
20e0ed95 1718nm_default="${cross_prefix}${nm_default}"
adb2b908 1719ranlib="${cross_prefix}${ranlib}"
4f837398 1720strip_default="${cross_prefix}${strip_default}"
adb2b908 1721
c5200f17
MR
1722sysinclude_default="${sysroot}/usr/include"
1723
4f837398 1724set_default cc nm strip sysinclude
9da6609f
MR
1725enabled cross_compile || host_cc_default=$cc
1726set_default host_cc
13c7df3d 1727
82bb3329
MR
1728exesuf() {
1729 case $1 in
1730 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1731 esac
1732}
1733
1734EXESUF=$(exesuf $target_os)
1735HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1736
e4e69e0b 1737# set temporary file name
a49d42c2 1738: ${TMPDIR:=$TEMPDIR}
c51fafa1 1739: ${TMPDIR:=$TMP}
a49d42c2 1740: ${TMPDIR:=/tmp}
e4e69e0b 1741
54460a83
MR
1742if ! check_cmd type mktemp; then
1743 # simple replacement for missing mktemp
1744 # NOT SAFE FOR GENERAL USE
1745 mktemp(){
1746 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1747 }
1748fi
1749
1750tmpfile(){
1751 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1752 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1753 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1754 append TMPFILES $tmp
1755 eval $1=$tmp
1756}
1757
1758trap 'rm -f -- $TMPFILES' EXIT
1759trap exit HUP INT TERM
1760
1761tmpfile TMPC .c
1762tmpfile TMPE $EXESUF
1763tmpfile TMPH .h
1764tmpfile TMPO .o
1765tmpfile TMPS .S
a482e61b 1766tmpfile TMPV .ver
54460a83
MR
1767tmpfile TMPSH .sh
1768
1769unset -f mktemp
e4e69e0b 1770
993f2d0f
MR
1771# make sure we can execute files in $TMPDIR
1772cat > $TMPSH 2>> $logfile <<EOF
1773#! /bin/sh
1774EOF
1775chmod +x $TMPSH >> $logfile 2>&1
1776if ! $TMPSH >> $logfile 2>&1; then
1777 cat <<EOF
1778Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1779variable to another directory and make sure that it is not mounted noexec.
1780EOF
1781 die "Sanity test failed."
1782fi
993f2d0f 1783
19b4c628
MR
1784filter_cflags=echo
1785filter_cppflags=echo
1786filter_asflags=echo
1787
8f0c157a 1788if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1789 cc_type=gcc
a3d7c197 1790 cc_version=__VERSION__
aef6bd1b
MR
1791 if ! $cc -dumpversion | grep -q '^2\.'; then
1792 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1793 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1794 fi
14ca9cd0
MR
1795 speed_cflags='-O3'
1796 size_cflags='-Os'
629687f6
MR
1797elif $cc --version 2>/dev/null | grep -q Intel; then
1798 cc_type=icc
6e3fa35d 1799 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1800 CC_DEPFLAGS='-MMD'
1801 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1802 speed_cflags='-O3'
1803 size_cflags='-Os'
b05394a0 1804 noopt_cflags='-O1'
629687f6
MR
1805elif $cc -v 2>&1 | grep -q xlc; then
1806 cc_type=xlc
6e3fa35d 1807 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1808 speed_cflags='-O5'
1809 size_cflags='-O5 -qcompact'
df442a8d
MR
1810elif $cc -V 2>/dev/null | grep -q Compaq; then
1811 cc_type=ccc
6e3fa35d 1812 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1813 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1814 debuglevel=3
df442a8d 1815 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1816 speed_cflags='-fast'
1817 size_cflags='-O1'
6a0d5493 1818elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1819 test -d "$sysroot" || die "No valid sysroot specified."
1820 cc_type=armcc
6e3fa35d 1821 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1822 armcc_conf="$PWD/armcc.conf"
1823 $cc --arm_linux_configure \
1824 --arm_linux_config_file="$armcc_conf" \
1825 --configure_sysroot="$sysroot" \
1826 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1827 die "Error creating armcc configuration file."
1828 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1829 as_default="${cross_prefix}gcc"
07dec06e
MR
1830 CC_DEPFLAGS='-MMD'
1831 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1832 speed_cflags='-O3'
1833 size_cflags='-Os'
6fec122a
MR
1834elif $cc -version 2>/dev/null | grep -q TMS470; then
1835 cc_type=tms470
6e3fa35d 1836 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1837 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1838 CC_O='-fr=$(@D)'
1839 as_default="${cross_prefix}gcc"
1840 ld_default="${cross_prefix}gcc"
6fec122a
MR
1841 TMPO=$(basename $TMPC .c).o
1842 append TMPFILES $TMPO
1843 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1844 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1845 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1846 speed_cflags='-O3 -mf=5'
1847 size_cflags='-O3 -mf=2'
6fec122a
MR
1848 filter_cflags=tms470_flags
1849 tms470_flags(){
1850 for flag; do
1851 case $flag in
1852 -march=*|-mcpu=*)
1853 case "${flag#*=}" in
1854 armv7-a|cortex-a*) echo -mv=7a8 ;;
1855 armv7-r|cortex-r*) echo -mv=7r4 ;;
1856 armv7-m|cortex-m*) echo -mv=7m3 ;;
1857 armv6*|arm11*) echo -mv=6 ;;
1858 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1859 echo -mv=5e ;;
1860 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1861 esac
1862 ;;
1863 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1864 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1865 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1866 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1867 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1868 -g) echo -g -mn ;;
587d24ff 1869 -pds=*) echo $flag ;;
6fec122a
MR
1870 esac
1871 done
1872 }
06da6943
DC
1873elif $cc -v 2>&1 | grep -q clang; then
1874 cc_type=clang
b67a8f49
DC
1875 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1876 cc_version=__clang_version__ || cc_version=__VERSION__
06da6943
DC
1877 CC_DEPFLAGS='-MMD'
1878 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1879 speed_cflags='-O3'
1880 size_cflags='-Os'
2a472e9c
MK
1881elif $cc -V 2>&1 | grep -q Sun; then
1882 cc_type=suncc
1883 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1884 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1885 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1886 speed_cflags='-O5'
1887 size_cflags='-O5 -xspace'
03279bbe
MK
1888 filter_cflags=suncc_flags
1889 suncc_flags(){
1890 for flag; do
1891 case $flag in
1892 -march=*|-mcpu=*)
1893 case "${flag#*=}" in
1894 native) echo -xtarget=native ;;
87ddc38b 1895 v9|niagara) echo -xarch=sparc ;;
03279bbe 1896 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1897 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1898 i586|pentium) echo -xchip=pentium ;;
1899 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1900 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1901 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1902 pentium4*) echo -xtarget=pentium4 ;;
1903 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1904 *-sse3) echo -xarch=sse3 ;;
1905 core2) echo -xarch=ssse3 -xchip=core2 ;;
1906 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1907 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1908 k8|opteron|athlon64|athlon-fx)
1909 echo -xarch=sse2a ;;
1910 athlon*) echo -xarch=pentium_proa ;;
1911 esac
1912 ;;
1913 -std=c99) echo -xc99 ;;
1914 -fomit-frame-pointer) echo -xregs=frameptr ;;
1915 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1916 -W*,*) echo $flag ;;
1917 -f*-*|-W*) ;;
1918 *) echo $flag ;;
1919 esac
1920 done
1921 }
629687f6
MR
1922fi
1923
851ffa80
MR
1924test -n "$cc_type" && enable $cc_type ||
1925 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1926
75bafbac 1927: ${as_default:=$cc}
50567afa 1928: ${dep_cc_default:=$cc}
684b28e0 1929: ${ld_default:=$cc}
121d78d0 1930set_default ar as dep_cc ld
75800dce 1931
07dec06e
MR
1932test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1933test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1934
7f32f40c 1935add_cflags $extra_cflags
2f2e6c7c 1936add_asflags $extra_cflags
7f32f40c 1937
154d432c
MR
1938if test -n "$sysroot"; then
1939 case "$cc_type" in
1940 gcc)
467256f2 1941 add_cppflags --sysroot="$sysroot"
154d432c
MR
1942 add_ldflags --sysroot="$sysroot"
1943 ;;
6fec122a
MR
1944 tms470)
1945 add_cppflags -I"$sysinclude"
1946 add_ldflags --sysroot="$sysroot"
1947 ;;
06da6943 1948 clang)
4def700e
DC
1949 add_cppflags -isysroot "$sysroot"
1950 add_ldflags -isysroot "$sysroot"
06da6943 1951 ;;
154d432c
MR
1952 esac
1953fi
1954
d22c13a8
MR
1955if test "$cpu" = host; then
1956 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1957
1958 case "$cc_type" in
1959 gcc)
1960 check_native(){
1961 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1962 sed -n "/$1=/{
1963 s/.*$1=\\([^ ]*\\).*/\\1/
1964 p
1965 q
1966 }" $TMPE
d22c13a8
MR
1967 }
1968 cpu=$(check_native -march || check_native -mcpu)
1969 ;;
1970 esac
1971
1972 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1973fi
1974
e939cedd
MR
1975# Deal with common $arch aliases
1976case "$arch" in
1977 arm*)
1978 arch="arm"
1979 ;;
1980 mips|mipsel|IP*)
1981 arch="mips"
1982 ;;
47b1860e 1983 mips64*)
e939cedd
MR
1984 arch="mips"
1985 subarch="mips64"
1986 ;;
1987 parisc|hppa)
1988 arch="parisc"
1989 ;;
1990 parisc64|hppa64)
1991 arch="parisc"
1992 subarch="parisc64"
1993 ;;
1994 "Power Macintosh"|ppc|powerpc)
1995 arch="ppc"
1996 ;;
47b1860e 1997 ppc64|powerpc64)
e939cedd
MR
1998 arch="ppc"
1999 subarch="ppc64"
2000 ;;
2001 s390|s390x)
2002 arch="s390"
2003 ;;
2004 sh4|sh)
2005 arch="sh4"
2006 ;;
2007 sun4u|sparc64)
2008 arch="sparc"
2009 subarch="sparc64"
2010 ;;
2011 i[3-6]86|i86pc|BePC|x86_64|amd64)
2012 arch="x86"
2013 ;;
2014esac
2015
851ffa80 2016is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2017enable $arch
e939cedd 2018
df5cdc24 2019# Add processor-specific flags
5d54c126
MR
2020if test "$cpu" = generic; then
2021 : do nothing
2022elif enabled ppc; then
343aef9b 2023
56348891
MR
2024 case $(tolower $cpu) in
2025 601|ppc601|powerpc601)
9dbd5c3d 2026 cpuflags="-mcpu=601"
64ad53ff 2027 disable altivec
9dbd5c3d 2028 ;;
56348891 2029 603*|ppc603*|powerpc603*)
9dbd5c3d 2030 cpuflags="-mcpu=603"
64ad53ff 2031 disable altivec
9dbd5c3d 2032 ;;
56348891 2033 604*|ppc604*|powerpc604*)
9dbd5c3d 2034 cpuflags="-mcpu=604"
64ad53ff 2035 disable altivec
9dbd5c3d 2036 ;;
56348891 2037 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 2038 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 2039 disable altivec
9dbd5c3d 2040 ;;
56348891 2041 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
2042 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2043 ;;
56348891 2044 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
2045 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2046 ;;
56348891 2047 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
2048 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2049 ;;
56348891 2050 cell)
9dbd5c3d
MR
2051 cpuflags="-mcpu=cell"
2052 enable ldbrx
2053 ;;
7b0b81a1
AL
2054 e500v2)
2055 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2056 disable altivec
2057 ;;
2058 e500)
2059 cpuflags="-mcpu=8540 -mhard-float"
2060 disable altivec
2061 ;;
9dbd5c3d 2062 esac
343aef9b
MR
2063
2064elif enabled x86; then
2065
9dbd5c3d
MR
2066 case $cpu in
2067 i[345]86|pentium)
2068 cpuflags="-march=$cpu"
2069 disable mmx
2070 ;;
2071 # targets that do NOT support conditional mov (cmov)
2072 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2073 cpuflags="-march=$cpu"
2074 disable cmov
2075 ;;
2076 # targets that do support conditional mov (cmov)
a65e687b 2077 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
2078 cpuflags="-march=$cpu"
2079 enable cmov
2080 enable fast_cmov
2081 ;;
2082 # targets that do support conditional mov but on which it's slow
2083 pentium4|pentium4m|prescott|nocona)
2084 cpuflags="-march=$cpu"
2085 enable cmov
2086 disable fast_cmov
2087 ;;
2088 esac
343aef9b
MR
2089
2090elif enabled sparc; then
2091
9dbd5c3d 2092 case $cpu in
26b7199e
MK
2093 niagara)
2094 cpuflags="-mcpu=$cpu"
2095 disable vis
2096 ;;
9dbd5c3d
MR
2097 sparc64)
2098 cpuflags="-mcpu=v9"
2099 ;;
2100 esac
343aef9b
MR
2101
2102elif enabled arm; then
2103
34ba23c9
MR
2104 case $cpu in
2105 armv*)
2106 cpuflags="-march=$cpu"
2107 ;;
2108 *)
2109 cpuflags="-mcpu=$cpu"
2110 ;;
2111 esac
343aef9b
MR
2112
2113elif enabled alpha; then
2114
34ba23c9 2115 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2116
2117elif enabled bfin; then
2118
34ba23c9 2119 cpuflags="-mcpu=$cpu"
343aef9b
MR
2120
2121elif enabled mips; then
2122
34ba23c9 2123 cpuflags="-march=$cpu"
343aef9b
MR
2124
2125elif enabled avr32; then
2126
9dbd5c3d
MR
2127 case $cpu in
2128 ap7[02]0[0-2])
2129 subarch="avr32_ap"
2130 cpuflags="-mpart=$cpu"
2131 ;;
2132 ap)
2133 subarch="avr32_ap"
2134 cpuflags="-march=$cpu"
2135 ;;
2136 uc3[ab]*)
2137 subarch="avr32_uc"
2138 cpuflags="-mcpu=$cpu"
2139 ;;
2140 uc)
2141 subarch="avr32_uc"
2142 cpuflags="-march=$cpu"
2143 ;;
2144 esac
df5cdc24 2145
343aef9b
MR
2146fi
2147
df5cdc24
MR
2148add_cflags $cpuflags
2149add_asflags $cpuflags
2150
993f2d0f
MR
2151# compiler sanity check
2152check_exec <<EOF
2153int main(void){ return 0; }
2154EOF
2155if test "$?" != 0; then
2156 echo "$cc is unable to create an executable file."
2157 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2158 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2159 echo "Only do this if you know what cross compiling means."
2160 fi
2161 die "C compiler test failed."
2162fi
2163
38a9c529 2164add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2165check_cflags -std=c99
50a334e4 2166check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2167#include <stdlib.h>
2168EOF
50a334e4 2169check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2170#include <stdlib.h>
2171EOF
e9b9a2f8 2172
f0125de9
MR
2173check_host_cflags -std=c99
2174
b24dbcbd 2175case "$arch" in
e939cedd 2176 alpha|ia64|mips|parisc|sparc)
8a3c8627 2177 spic=$shared
b24dbcbd 2178 ;;
e939cedd 2179 x86)
cfdb6148 2180 subarch="x86_32"
e939cedd 2181 check_cc <<EOF && subarch="x86_64"
58b3536d 2182 int test[(int)sizeof(char*) - 7];
cfdb6148 2183EOF
de27f4d9 2184 if test "$subarch" = "x86_64"; then
e939cedd 2185 spic=$shared
de27f4d9 2186 fi
b24dbcbd 2187 ;;
b24dbcbd
RP
2188esac
2189
343aef9b 2190enable $subarch
8a3c8627 2191enabled spic && enable pic
b24dbcbd 2192
7483e694 2193# OS specific
4f854758 2194case $target_os in
a1629e28 2195 haiku)
63ae7e7c 2196 prefix_default="/boot/common"
108caaaa 2197 network_extralibs="-lnetwork"
a1629e28 2198 ;;
7483e694
DB
2199 sunos)
2200 FFSERVERLDFLAGS=""
9987769a 2201 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2202 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2203 network_extralibs="-lsocket -lnsl"
50a334e4 2204 add_cppflags -D__EXTENSIONS__
8182dc34 2205 nm_opts='-P -g'
7483e694
DB
2206 ;;
2207 netbsd)
07a8eef6
MR
2208 oss_indev_extralibs="-lossaudio"
2209 oss_outdev_extralibs="-lossaudio"
2138dc99 2210 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2211 ;;
2212 openbsd)
89e053f8 2213 enable malloc_aligned
7c4a001a
MR
2214 # On OpenBSD 4.5. the compiler does not use PIC unless
2215 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2216 # however the generated executable will not do anything
2217 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2218 # Thus explicitly enable PIC here.
cd78208b 2219 enable pic
7483e694 2220 SHFLAGS='-shared'
07a8eef6
MR
2221 oss_indev_extralibs="-lossaudio"
2222 oss_outdev_extralibs="-lossaudio"
7483e694 2223 ;;
90b4f091 2224 freebsd|dragonfly)
89e053f8 2225 enable malloc_aligned
7483e694
DB
2226 ;;
2227 bsd/os)
355d81df 2228 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2229 strip="strip -d"
2230 ;;
2231 darwin)
89e053f8 2232 enable malloc_aligned
301ab19d 2233 gas="gas-preprocessor.pl $cc"
e08b8239 2234 enabled ppc && add_asflags -force_cpusubtype_ALL
0138c54e 2235 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2236 strip="${strip} -x"
355d81df 2237 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2238 SLIBSUF=".dylib"
2239 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2240 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2241 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2242 objformat="macho"
1b0f6fb8 2243 enabled x86_64 && objformat="macho64"
8dfa86f7 2244 enabled_any pic shared ||
2704bd1a 2245 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2246 ;;
2247 mingw32*)
9d3f4f50 2248 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2249 disable network
2250 else
2251 target_os=mingw32
2252 fi
dcc01c06 2253 LIBTARGET=i386
1fc9fb8a 2254 if enabled x86_64; then
89e053f8 2255 enable malloc_aligned
dcc01c06 2256 LIBTARGET=x64
336cc1b0
MS
2257 elif enabled arm; then
2258 LIBTARGET=arm
dcc01c06 2259 fi
fbd971a4 2260 shlibdir_default="$bindir_default"
7483e694
DB
2261 disable ffserver
2262 SLIBPREF=""
2263 SLIBSUF=".dll"
7483e694
DB
2264 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2265 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2266 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2267 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2268 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2269 install -d "$(LIBDIR)"; \
2270 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2271 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2272 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2273 objformat="win32"
bc574408 2274 enable dos_paths
1894e741 2275 check_cflags -fno-common
e26011d0
RP
2276 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2277 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
f7ad5aa2 2278 die "ERROR: MinGW runtime version must be >= 3.15."
7483e694
DB
2279 ;;
2280 cygwin*)
4f854758 2281 target_os=cygwin
fbd971a4 2282 shlibdir_default="$bindir_default"
7483e694
DB
2283 SLIBPREF="cyg"
2284 SLIBSUF=".dll"
2285 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2286 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2287 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2288 objformat="win32"
bc574408 2289 enable dos_paths
1894e741 2290 check_cflags -fno-common
7483e694 2291 ;;
4f365f37 2292 *-dos|freedos|opendos)
fdf11906 2293 disable ffplay ffserver
4f365f37
MK
2294 disable $INDEV_LIST $OUTDEV_LIST
2295 network_extralibs="-lsocket"
ff1c015d 2296 objformat="coff"
bc574408 2297 enable dos_paths
4f365f37 2298 ;;
7483e694 2299 linux)
7483e694
DB
2300 enable dv1394
2301 ;;
2302 irix*)
4f854758 2303 target_os=irix
7483e694
DB
2304 ranlib="echo ignoring ranlib"
2305 ;;
d22e8442 2306 os/2*)
d22e8442
DY
2307 strip="lxlite"
2308 ln_s="cp -f"
355d81df 2309 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2310 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2311 FFSERVERLDFLAGS=""
287d3b13 2312 LIBSUF="_s.a"
d22e8442
DY
2313 SLIBPREF=""
2314 SLIBSUF=".dll"
2315 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2316 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2317 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2318 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2319 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2320 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2321 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2322 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2323 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2324 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2325 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2326 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2327 enable dos_paths
d22e8442 2328 ;;
83993c1c
AM
2329 gnu/kfreebsd)
2330 ;;
34e82167 2331 gnu)
34e82167 2332 ;;
614d8911
MR
2333 none)
2334 ;;
7483e694 2335 *)
4f924f9a 2336 die "Unknown OS '$target_os'."
7483e694
DB
2337 ;;
2338esac
2339
13cb2187
AS
2340check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2341
c9d19248
MR
2342set_default $PATHS_LIST
2343
320d060a 2344# we need to build at least one lib type
93b3c083 2345if ! enabled_any static shared; then
320d060a
DB
2346 cat <<EOF
2347At least one library type must be built.
2348Specify --enable-static to build the static libraries or --enable-shared to
2349build the shared libraries as well. To only build the shared libraries specify
2350--disable-static in addition to --enable-shared.
2351EOF
2352 exit 1;
2353fi
2354
abc4e572 2355disabled static && LIBNAME=""
2a320695 2356
2184c6f7 2357die_license_disabled() {
4c27207c 2358 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2359}
2360
2184c6f7
DB
2361die_license_disabled gpl libx264
2362die_license_disabled gpl libxvid
2363die_license_disabled gpl postproc
2364die_license_disabled gpl x11grab
2365
2f7ae63b 2366die_license_disabled nonfree libfaac
b2e3c528 2367
0b175caa
DB
2368die_license_disabled version3 libopencore_amrnb
2369die_license_disabled version3 libopencore_amrwb
2370
9cad0e4e 2371enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2372
9eeed841 2373check_deps $ARCH_EXT_LIST
0f3cb305 2374
40617a6d 2375disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2376
e276d9e8
MR
2377enable_pic() {
2378 enable pic
bce7b696
MR
2379 add_cppflags -DPIC
2380 add_cflags -fPIC
2381 add_asflags -fPIC
e276d9e8
MR
2382}
2383
2384enabled pic && enable_pic
bce7b696 2385
b4d96ba2
MR
2386check_cc <<EOF || die "Symbol mangling check failed."
2387int ff_extern;
2388EOF
8182dc34 2389sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2390extern_prefix=${sym%%ff_extern*}
2391
f65883c8
MR
2392check_cc <<EOF && enable inline_asm
2393void foo(void) { __asm__ volatile ("" ::); }
2394EOF
61d251db 2395
df5e3978
MR
2396_restrict=
2397for restrict_keyword in restrict __restrict__ __restrict; do
2398 check_cc <<EOF && _restrict=$restrict_keyword && break
2399void foo(char * $restrict_keyword p);
2400EOF
2401done
2402
2403check_cc <<EOF && enable attribute_packed
2404struct { int x; } __attribute__((packed)) x;
2405EOF
2406
dffb41b9
MR
2407check_cc <<EOF && enable attribute_may_alias
2408union { int x; } __attribute__((may_alias)) x;
2409EOF
2410
df5e3978
MR
2411check_cc <<EOF || die "endian test failed"
2412unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2413EOF
48fc536a 2414od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2415
e939cedd
MR
2416if enabled alpha; then
2417
2418 check_cflags -mieee
2419
2420elif enabled arm; then
e45391bb 2421
50fa82e6 2422 check_cflags -marm
301ab19d 2423 nogas=die
50fa82e6 2424
fa0912fe
MR
2425 check_ld <<EOF && enable vfp_args
2426__asm__ (".eabi_attribute 28, 1");
2427int main(void) { return 0; }
2428EOF
2429
2430 # We have to check if pld is a nop and disable it.
2431 check_asm pld '"pld [r0]"'
2432
2433 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2434 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2435 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2436 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2437 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2438 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2439
e276d9e8
MR
2440 enabled_all armv6t2 shared !pic && enable_pic
2441
fa0912fe 2442elif enabled mips; then
e45391bb 2443
fa0912fe
MR
2444 check_asm loongson '"dmult.g $1, $2, $3"'
2445 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2446
fa0912fe 2447elif enabled ppc; then
e45391bb 2448
e6a0c354
MR
2449 enable local_aligned_8 local_aligned_16
2450
135448fa 2451 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2452 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2453 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2454 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2455
2456 # AltiVec flags: The FSF version of GCC differs from the Apple version
2457 if enabled altivec; then
301ab19d 2458 nogas=warn
fa0912fe
MR
2459 check_cflags -maltivec -mabi=altivec &&
2460 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2461 check_cflags -faltivec
2462
2463 # check if our compiler supports Motorola AltiVec C API
2464 check_cc <<EOF || disable altivec
2465$inc_altivec_h
2466int main(void) {
2467 vector signed int v1, v2, v3;
2468 v1 = vec_add(v2,v3);
2469 return 0;
2470}
2471EOF
2472
2473 # check if our compiler supports braces for vector declarations
2474 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2475$inc_altivec_h
2476int main (void) { (vector int) {1}; return 0; }
2477EOF
2478 fi
e45391bb 2479
fa0912fe 2480elif enabled sparc; then
e45391bb 2481
fa0912fe
MR
2482 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2483 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2484
fa0912fe 2485elif enabled x86; then
e45391bb 2486
e6a0c354
MR
2487 enable local_aligned_8 local_aligned_16
2488
44965991
PI
2489 # check whether EBP is available on x86
2490 # As 'i' is stored on the stack, this program will crash
2491 # if the base pointer is used to access it because the
2492 # base pointer is cleared in the inline assembly code.
7dfef245 2493 check_exec_crash <<EOF && enable ebp_available
44965991 2494 volatile int i=0;
be449fca 2495 __asm__ volatile (
44965991
PI
2496 "xorl %%ebp, %%ebp"
2497 ::: "%ebp");
2498 return i;
44965991
PI
2499EOF
2500
f494213c 2501 # check whether EBX is available on x86
7cee5421
MR
2502 check_asm ebx_available '""::"b"(0)' &&
2503 check_asm ebx_available '"":::"%ebx"'
8e380710 2504
d3a4b4e0
DB
2505 # check whether more than 10 operands are supported
2506 check_cc <<EOF && enable ten_operands
2507int main(void) {
2508 int x=0;
2509 __asm__ volatile(
2510 ""
2511 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2512 );
2513 return 0;
2514}
2515EOF
2516
d7f0920b 2517 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2518 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2519 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2520
2521 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2522
d52481b9 2523 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2524 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2525 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2526 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2527 case "$objformat" in
2528 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2529 esac
31a0dcb2
MR
2530 if ! disabled yasm; then
2531 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2532 warn "yasm not found, performance will suffer"
2533 fi
e45391bb 2534
669b5583
MR
2535 case "$cpu" in
2536 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2537 disable fast_clz
2538 ;;
2539 esac
2540
44965991
PI
2541fi
2542
301ab19d
MR
2543if enabled asm; then
2544 as=${gas:=$as}
2545 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2546 $nogas "GNU assembler not found, install gas-preprocessor"
2547fi
2548
a98bb16d
RP
2549if check_func dlopen; then
2550 ldl=
2551elif check_func dlopen -ldl; then
2552 ldl=-ldl
8bf5d58f
MN
2553fi
2554
75ecf149
DB
2555# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2556check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2557
534a2231 2558check_func fcntl
7483e694 2559check_func fork
84882df6 2560check_func getaddrinfo $network_extralibs
7483e694
DB
2561check_func gethrtime
2562check_func getrusage
fc5607f8 2563check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2564check_func inet_aton $network_extralibs
abfc8d05 2565check_func isatty
4ae40685 2566check_func ${malloc_prefix}memalign && enable memalign
7483e694 2567check_func mkstemp
4ae40685 2568check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2569check_func setrlimit
87958234 2570check_func strerror_r
b507ebd1 2571check_func_headers io.h setmode
e4673692 2572check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2573check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2574check_func_headers windows.h GetProcessTimes
7c5bfe7a 2575check_func_headers windows.h VirtualAlloc
6ffa87d3 2576
e16e49ac 2577check_header conio.h
a98bb16d 2578check_header dlfcn.h
92c6a099 2579check_header dxva2api.h
a98bb16d 2580check_header malloc.h
bf6ce82d 2581check_header poll.h
b58412f1 2582check_header sys/mman.h
b091aa44 2583check_header sys/resource.h
bf6ce82d 2584check_header sys/select.h
a98bb16d 2585check_header termios.h
272081b0
CEH
2586check_header vdpau/vdpau.h
2587check_header vdpau/vdpau_x11.h
68178ca9 2588check_header X11/extensions/XvMClib.h
a98bb16d 2589
9104cd51
RP
2590check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2591
89e053f8
MR
2592if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2593 enabled_any $need_memalign ; then
1f91cdce 2594 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2595fi
e16e49ac 2596
a4fa192c 2597disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2598disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2599
2600# check for some common methods of building with pthread support
2601# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2602if ! disabled pthreads && ! enabled w32threads; then
2603 enable pthreads
9e7fd101
MR
2604 if check_func pthread_create; then
2605 :
2606 elif check_func pthread_create -pthread; then
2607 add_cflags -pthread
afc9aee2 2608 add_extralibs -pthread
9e7fd101
MR
2609 elif check_func pthread_create -pthreads; then
2610 add_cflags -pthreads
afc9aee2 2611 add_extralibs -pthreads
8d94f606
GT
2612 elif check_func pthread_create -lpthreadGC2; then
2613 add_extralibs -lpthreadGC2
9e7fd101 2614 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2615 disable pthreads
9e7fd101 2616 fi
57bd82d4
MR
2617fi
2618
8eee7025 2619for thread in $THREADS_LIST; do
e5f94c2b 2620 if enabled $thread; then
3ae3b721
RP
2621 test -n "$thread_type" &&
2622 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2623 thread_type="$thread"
e5f94c2b
RP
2624 fi
2625done
2626
fdf88598 2627check_lib math.h sin -lm
edd43c95 2628disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2629
645d2652
MR
2630check_mathfunc exp2
2631check_mathfunc exp2f
2632check_mathfunc llrint
07876e25 2633check_mathfunc llrintf
645d2652
MR
2634check_mathfunc log2
2635check_mathfunc log2f
2636check_mathfunc lrint
2637check_mathfunc lrintf
2638check_mathfunc round
2639check_mathfunc roundf
2640check_mathfunc truncf
f32adb22 2641
57bd82d4 2642# these are off by default, so fail if requested and not available
a1b3c5a3 2643enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2644enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2645 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2646 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2647enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2648enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
eb7626a3 2649enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
7483e694 2650enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
eb7626a3
MR
2651enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2652enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3d6fac8c 2653enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
42ebfc54
RP
2654enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2655 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
36718e51
DB
2656enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2657 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2658enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2659enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2660enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ea28e81f
MR
2661enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2662 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2663 die "ERROR: libvpx version must be >=0.9.1"; }
eb7626a3 2664enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
652d9d24
JGG
2665 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2666 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2667enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2668enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2669
0b4a1821
AS
2670# libdc1394 check
2671if enabled libdc1394; then
2672 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2673 enable libdc1394_2; } ||
2674 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2675 enable libdc1394_1; } ||
2676 die "ERROR: No version of libdc1394 found "
2677fi
2678
6a1a892f 2679SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2680if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2681 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2682 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2683 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2684 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2685 enable sdl &&
2686 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2687fi
57bd82d4 2688
2270b4b2 2689texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2690
73b46a95 2691if enabled network; then
96000432 2692 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2693 check_type netdb.h "struct addrinfo"
b4d68544
MS
2694 check_type netinet/in.h "struct ipv6_mreq"
2695 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2696 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2697 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2698 # Prefer arpa/inet.h over winsock2
2699 if check_header arpa/inet.h ; then
2700 check_func closesocket
2701 elif check_header winsock2.h ; then
f4c13872
MS
2702 check_func_headers winsock2.h closesocket -lws2 && \
2703 network_extralibs="-lws2" || \
2704 { check_func_headers winsock2.h closesocket -lws2_32 && \
2705 network_extralibs="-lws2_32"; }
72be9e73 2706 check_type ws2tcpip.h socklen_t
c0018613 2707 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2708 check_type ws2tcpip.h "struct ipv6_mreq"
2709 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2710 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2711 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2712 else
2713 disable network
73b46a95
RP
2714 fi
2715fi
2716
06e31011
RP
2717check_header linux/videodev.h
2718check_header linux/videodev2.h
1b6e8b73 2719check_header sys/videoio.h
47f38850 2720
27796dc3 2721check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
ec1ee802
RP
2722# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2723# w32api 3.12 had it defined wrong
2724check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
c2345207 2725
f8aa696f 2726# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2727{ check_header dev/bktr/ioctl_meteor.h &&
2728 check_header dev/bktr/ioctl_bt848.h; } ||
2729{ check_header machine/ioctl_meteor.h &&
2730 check_header machine/ioctl_bt848.h; } ||
2731{ check_header dev/video/meteor/ioctl_meteor.h &&
2732 check_header dev/video/bktr/ioctl_bt848.h; } ||
2733check_header dev/ic/bt8xx.h
f8aa696f 2734
c7682de0
RP
2735check_header sys/soundcard.h
2736check_header soundcard.h
deb29777 2737
b6f3d925 2738enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2739
0e57fe17 2740enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2741
56a059ac 2742enabled x11grab &&
f58f4ce1
GP
2743check_header X11/Xlib.h &&
2744check_header X11/extensions/XShm.h &&
0a045661 2745check_header X11/extensions/Xfixes.h &&
f58f4ce1 2746check_func XOpenDisplay -lX11 &&
781c1aa6
R
2747check_func XShmCreateImage -lX11 -lXext &&
2748check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2749
598ef02b 2750if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2751check_cpp_condition \
2752 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2753 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2754 disable vdpau; }
abf649c7 2755fi
deda2a4a 2756
95e561ec 2757enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2758
2759# add some useful compiler flags if supported
2760check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2761check_cflags -Wall
2762check_cflags -Wno-switch
c07bd6a9
MN
2763check_cflags -Wdisabled-optimization
2764check_cflags -Wpointer-arith
2765check_cflags -Wredundant-decls
cc1fb623 2766check_cflags -Wno-pointer-sign
f4929996 2767check_cflags -Wcast-qual
9aceb3cf 2768check_cflags -Wwrite-strings
652a5bf6 2769check_cflags -Wtype-limits
764551c6 2770check_cflags -Wundef
fc298fd9 2771check_cflags -Wmissing-prototypes
5af4e0cc 2772enabled extra_warnings && check_cflags -Winline
cf9d24ad 2773
57bd82d4 2774# add some linker flags
5c0e9479 2775check_ldflags -Wl,--warn-common
8351d2ba
DB
2776check_ldflags -Wl,--as-needed
2777check_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 2778check_ldflags -Wl,-Bsymbolic
94a3401e 2779
a482e61b 2780echo "X{};" > $TMPV
b462d132 2781if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2782 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2783 check_cc <<EOF && enable symver_asm_label
2784void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2785void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2786EOF
2787 check_cc <<EOF && enable symver_gnu_asm
2788__asm__(".symver ff_foo,av_foo@VERSION");
2789void ff_foo(void) {}
2790EOF
2791fi
a482e61b 2792
bd2216e4 2793if enabled small; then
14ca9cd0 2794 add_cflags $size_cflags
8400d6b8
DB
2795 optimizations="small"
2796elif enabled optimizations; then
14ca9cd0 2797 add_cflags $speed_cflags
b05394a0
MR
2798else
2799 add_cflags $noopt_cflags
cddf3f45 2800fi
11fdbc44 2801check_cflags -fno-math-errno
b2eb2ff0 2802check_cflags -fno-signed-zeros
cddf3f45 2803
629687f6 2804if enabled icc; then
b1598b58
MR
2805 # Just warnings, no remarks
2806 check_cflags -w1
2807 # -wd: Disable following warnings
2808 # 144, 167, 556: -Wno-pointer-sign
2809 # 10006: ignoring unknown option -fno-signed-zeros
2810 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2811 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2812 # 11030: Warning unknown option --as-needed
2813 # 10156: ignoring option '-export'; no argument required
2814 check_ldflags -wd10156,11030
2815 # Allow to compile with optimizations
2816 check_ldflags -march=$cpu
be2cf98a
CEH
2817 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2818 enable ebp_available
df442a8d
MR
2819elif enabled ccc; then
2820 # disable some annoying warnings
2821 add_cflags -msg_disable cvtu32to64
2822 add_cflags -msg_disable embedcomment
2823 add_cflags -msg_disable needconstext
2824 add_cflags -msg_disable nomainieee
2825 add_cflags -msg_disable ptrmismatch1
2826 add_cflags -msg_disable unreachcode
973859f5
MR
2827elif enabled gcc; then
2828 check_cflags -fno-tree-vectorize
765e6134 2829 check_cflags -Werror=implicit-function-declaration
de63bfec 2830 check_cflags -Werror=missing-prototypes
06da6943
DC
2831elif enabled clang; then
2832 check_cflags -Qunused-arguments
138132be
MR
2833elif enabled armcc; then
2834 # 2523: use of inline assembler is deprecated
2835 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2836 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2837elif enabled tms470; then
2838 add_cflags -pds=824 -pds=837
504a64b9
CEH
2839fi
2840
7483e694
DB
2841enabled_any $THREADS_LIST && enable threads
2842
2843check_deps $CONFIG_LIST \
b6bb00b0 2844 $CONFIG_EXTRA \
7483e694
DB
2845 $HAVE_LIST \
2846 $DECODER_LIST \
2847 $ENCODER_LIST \
5666fd73 2848 $HWACCEL_LIST \
7483e694
DB
2849 $PARSER_LIST \
2850 $BSF_LIST \
2851 $DEMUXER_LIST \
2852 $MUXER_LIST \
f7679c54 2853 $FILTER_LIST \
7483e694
DB
2854 $INDEV_LIST \
2855 $OUTDEV_LIST \
2856 $PROTOCOL_LIST \
57442411
MR
2857 $ACODEC_TESTS \
2858 $VCODEC_TESTS \
2859 $LAVF_TESTS \
48c28162 2860 $LAVFI_TESTS \
b9d5f1b7 2861 $SEEK_TESTS \
f70f03f6 2862
3bfd582c 2863enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2864
3e89171a 2865echo "install prefix $prefix"
f36958f8
DB
2866echo "source path $source_path"
2867echo "C compiler $cc"
f36958f8 2868echo "ARCH $arch ($cpu)"
ce8871c2
MR
2869if test "$build_suffix" != ""; then
2870 echo "build suffix $build_suffix"
eb94aca9 2871fi
ac63af34
DB
2872if test "$extra_version" != ""; then
2873 echo "version string suffix $extra_version"
2874fi
0db2ce77 2875echo "big-endian ${bigendian-no}"
e90f5b5a 2876echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2877if enabled x86; then
af44e8e4 2878 echo "yasm ${yasm-no}"
0db2ce77 2879 echo "MMX enabled ${mmx-no}"
30e98e62 2880 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2881 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2882 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2883 echo "SSE enabled ${sse-no}"
30e98e62 2884 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2885 echo "CMOV enabled ${cmov-no}"
2886 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2887 echo "EBX available ${ebx_available-no}"
2888 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2889 echo "10 operands supported ${ten_operands-no}"
e41e8342 2890fi
5b6c2cbd 2891if enabled arm; then
0db2ce77
MR
2892 echo "ARMv5TE enabled ${armv5te-no}"
2893 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2894 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2895 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2896 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2897 echo "NEON enabled ${neon-no}"
eba9ae3c 2898fi
5b6c2cbd 2899if enabled mips; then
0db2ce77 2900 echo "MMI enabled ${mmi-no}"
e41e8342 2901fi
5b6c2cbd 2902if enabled ppc; then
0db2ce77 2903 echo "AltiVec enabled ${altivec-no}"
30e98e62 2904 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2905 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2906fi
2907if enabled sparc; then
2908 echo "VIS enabled ${vis-no}"
e41e8342 2909fi
0db2ce77 2910echo "debug symbols ${debug-no}"
87a0fb62 2911echo "strip symbols ${stripping-no}"
8400d6b8 2912echo "optimizations ${optimizations-no}"
0db2ce77
MR
2913echo "static ${static-no}"
2914echo "shared ${shared-no}"
4a24ab64 2915echo "postprocessing support ${postproc-no}"
f7679c54 2916echo "new filter support ${avfilter-no}"
81124ba0 2917echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2918echo "network support ${network-no}"
0db2ce77
MR
2919echo "threading support ${thread_type-no}"
2920echo "SDL support ${sdl-no}"
0db2ce77
MR
2921echo "Sun medialib support ${mlib-no}"
2922echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2923echo "libdc1394 support ${libdc1394-no}"
690bfceb 2924echo "libdirac enabled ${libdirac-no}"
0db2ce77 2925echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2926echo "libgsm enabled ${libgsm-no}"
2927echo "libmp3lame enabled ${libmp3lame-no}"
2928echo "libnut enabled ${libnut-no}"
0b175caa
DB
2929echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2930echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2931echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2932echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2933echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2934echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2935echo "libtheora enabled ${libtheora-no}"
2936echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2937echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2938echo "libx264 enabled ${libx264-no}"
2939echo "libxvid enabled ${libxvid-no}"
0db2ce77 2940echo "zlib enabled ${zlib-no}"
f402916e 2941echo "bzlib enabled ${bzlib-no}"
2c62e737 2942echo
de6d9b64 2943
5666fd73 2944for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2945 echo "Enabled ${type}s:"
f65c9da1 2946 eval list=\$$(toupper $type)_LIST
31c0121d 2947 print_enabled '_*' $list | sort | pr -3 -t
f65c9da1 2948 echo
8138b9db
RP
2949done
2950
ba7a7039 2951license="LGPL version 2.1 or later"
ba321adb 2952if enabled nonfree; then
ba7a7039 2953 license="nonfree and unredistributable"
9cad0e4e
DB
2954elif enabled gplv3; then
2955 license="GPL version 3 or later"
2956elif enabled lgplv3; then
2957 license="LGPL version 3 or later"
ba321adb 2958elif enabled gpl; then
ba7a7039 2959 license="GPL version 2 or later"
ba321adb
JK
2960fi
2961
2962echo "License: $license"
ca5323af 2963
cf1392e9
DB
2964echo "Creating config.mak and config.h..."
2965
df642790
MR
2966# build tree in object directory if source path is different from current one
2967if enabled source_path_used; then
2968 DIRS="
2969 doc
2970 libavcodec
2971 libavcodec/$arch
2972 libavdevice
2973 libavfilter
2974 libavformat
2975 libavutil
2976 libavutil/$arch
2977 libpostproc
2978 libswscale
2979 libswscale/$arch
2980 tests
2981 tools
2982 "
2983 FILES="
2984 Makefile
2985 common.mak
2986 subdir.mak
2987 doc/texi2pod.pl
2988 libavcodec/Makefile
43f60eba 2989 libavcodec/${arch}/Makefile
df642790
MR
2990 libavdevice/Makefile
2991 libavfilter/Makefile
2992 libavformat/Makefile
2993 libavutil/Makefile
2994 libpostproc/Makefile
2995 libswscale/Makefile
2996 "
e0e335a0 2997 map 'mkdir -p $v' $DIRS;
43f60eba 2998 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2999fi
3000
ad212cc6
MR
3001enabled stripping || strip="echo skipping strip"
3002
173c983b
MR
3003cat > config.mak <<EOF
3004# Automatically generated by configure - do not modify!
3005ifndef FFMPEG_CONFIG_MAK
3006FFMPEG_CONFIG_MAK=1
3007FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3008prefix=$prefix
3009LIBDIR=\$(DESTDIR)$libdir
3010SHLIBDIR=\$(DESTDIR)$shlibdir
3011INCDIR=\$(DESTDIR)$incdir
3012BINDIR=\$(DESTDIR)$bindir
3013DATADIR=\$(DESTDIR)$datadir
3014MANDIR=\$(DESTDIR)$mandir
3015SRC_PATH="$source_path"
3016SRC_PATH_BARE=$source_path
3017BUILD_ROOT="$PWD"
3018ARCH=$arch
3019CC=$cc
3020AS=$as
3021LD=$ld
3022DEPCC=$dep_cc
3023YASM=$yasmexe
a4aea515 3024YASMDEP=$yasmexe
173c983b
MR
3025AR=$ar
3026RANLIB=$ranlib
4335125c 3027CP=cp -p
173c983b
MR
3028LN_S=$ln_s
3029STRIP=$strip
3030CPPFLAGS=$CPPFLAGS
3031CFLAGS=$CFLAGS
3032ASFLAGS=$ASFLAGS
3033CC_O=$CC_O
3034LDFLAGS=$LDFLAGS
3035FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3036SHFLAGS=$SHFLAGS
3037YASMFLAGS=$YASMFLAGS
3038BUILDSUF=$build_suffix
3039FULLNAME=$FULLNAME
3040LIBPREF=$LIBPREF
3041LIBSUF=$LIBSUF
3042LIBNAME=$LIBNAME
3043SLIBPREF=$SLIBPREF
3044SLIBSUF=$SLIBSUF
3045EXESUF=$EXESUF
3046EXTRA_VERSION=$extra_version
3047DEPFLAGS=$DEPFLAGS
3048CCDEP=$CCDEP
3049ASDEP=$ASDEP
3050CC_DEPFLAGS=$CC_DEPFLAGS
3051AS_DEPFLAGS=$AS_DEPFLAGS
3052HOSTCC=$host_cc
3053HOSTCFLAGS=$host_cflags
3054HOSTEXESUF=$HOSTEXESUF
3055HOSTLDFLAGS=$host_ldflags
3056HOSTLIBS=$host_libs
3057TARGET_EXEC=$target_exec
3058TARGET_PATH=$target_path
3059SDL_LIBS=$sdl_libs
3060SDL_CFLAGS=$sdl_cflags
3061LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3062EXTRALIBS=$extralibs
fd676deb 3063INSTALL=install
1afc4750
MR
3064LIBTARGET=${LIBTARGET}
3065SLIBNAME=${SLIBNAME}
3066SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3067SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3068SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3069SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3070SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3071SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3072SAMPLES=$samples
173c983b 3073EOF
5a872801 3074
719c8e00
MR
3075get_version(){
3076 name=$1
3077 file=$source_path/$2
147e7692
MR
3078 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3079 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3080 lcname=$(tolower $name)
3081 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3082 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3083}
3084
147e7692
MR
3085get_version LIBSWSCALE libswscale/swscale.h
3086get_version LIBPOSTPROC libpostproc/postprocess.h
3087get_version LIBAVCODEC libavcodec/avcodec.h
3088get_version LIBAVDEVICE libavdevice/avdevice.h
3089get_version LIBAVFORMAT libavformat/avformat.h
3090get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3091get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3092
173c983b
MR
3093cat > $TMPH <<EOF
3094/* Automatically generated by configure - do not modify! */
3095#ifndef FFMPEG_CONFIG_H
3096#define FFMPEG_CONFIG_H
3097#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3098#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3099#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3100#define CC_TYPE "$cc_type"
3101#define CC_VERSION $cc_version
3102#define restrict $_restrict
42719e20 3103#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
3104#define EXTERN_PREFIX "${extern_prefix}"
3105#define EXTERN_ASM ${extern_prefix}
3106EOF
523ef551 3107
4ae40685
MR
3108test -n "$malloc_prefix" &&
3109 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3110
523ef551 3111if enabled small || disabled optimizations; then
9a894c48 3112 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3113 echo "#define av_always_inline" >> $TMPH
3114fi
3115
3d907e22
MR
3116print_config ARCH_ $TMPH config.mak $ARCH_LIST
3117print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3118print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3119 $CONFIG_EXTRA \
7483e694
DB
3120 $DECODER_LIST \
3121 $ENCODER_LIST \
5666fd73 3122 $HWACCEL_LIST \
7483e694
DB
3123 $PARSER_LIST \
3124 $BSF_LIST \
3125 $DEMUXER_LIST \
3126 $MUXER_LIST \
f7679c54 3127 $FILTER_LIST \
7483e694
DB
3128 $PROTOCOL_LIST \
3129 $INDEV_LIST \
3130 $OUTDEV_LIST \
8ac17293 3131
57442411
MR
3132cat >>config.mak <<EOF
3133ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3134VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3135LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
48c28162 3136LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
b9d5f1b7 3137SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
57442411
MR
3138EOF
3139
9c05103f 3140echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3141echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3142
b7860763 3143# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3144cp_if_changed $TMPH config.h
d0b8e40c 3145touch .config
3d204385 3146
a3e02a8c
MR
3147cat > $TMPH <<EOF
3148/* Generated by ffconf */
3149#ifndef AVUTIL_AVCONFIG_H
3150#define AVUTIL_AVCONFIG_H
3151EOF
3152
3153print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3154
3155echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3156
3157cp_if_changed $TMPH libavutil/avconfig.h
3158
7bfc8ae6
MR
3159test -n "$WARNINGS" && printf "\n$WARNINGS"
3160
d0674868 3161# build pkg-config files
def4272a 3162
d0674868
DB
3163pkgconfig_generate(){
3164name=$1
b0dfd108 3165shortname=${name#lib}${build_suffix}
d0674868
DB
3166comment=$2
3167version=$3
3168libs=$4
3169requires=$5
25cd5cb3 3170cat <<EOF > $name/$name.pc
3e89171a 3171prefix=$prefix
a94e666c 3172exec_prefix=\${prefix}
f2b7382c 3173libdir=$libdir
7622778e 3174includedir=$incdir
def4272a 3175
d0674868
DB
3176Name: $name
3177Description: $comment
3178Version: $version
8cd6b388 3179Requires: $(enabled shared || echo $requires)
5dcfe9f8 3180Requires.private: $(enabled shared && echo $requires)
def4272a 3181Conflicts:
8cd6b388 3182Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3183Libs.private: $(enabled shared && echo $libs)
76a448ed 3184Cflags: -I\${includedir}
def4272a 3185EOF
25cd5cb3 3186cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3187prefix=
3188exec_prefix=
46d1ff83 3189libdir=\${pcfiledir}
1d44d365 3190includedir=${source_path}
def4272a 3191
d0674868
DB
3192Name: $name
3193Description: $comment
3194Version: $version
3195Requires: $requires
def4272a 3196Conflicts:
12701f6e 3197Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3198Cflags: -I\${includedir}
3199EOF
d0674868 3200}
def4272a 3201
e426941d 3202pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3203pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3204pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3205pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3206enabled avfilter &&
46983309 3207 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3208enabled postproc &&
e426941d 3209 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3210pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"