fix indentation
[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
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57show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
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63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
3e89171a 65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
14a8acf1 67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
74c53c2d 68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
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72 echo
73 echo "Configuration options:"
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74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
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76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
79 echo " and binaries will be unredistributable [no]"
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80 echo " --disable-ffmpeg disable ffmpeg build"
81 echo " --disable-ffplay disable ffplay build"
82 echo " --disable-ffserver disable ffserver build"
e6b9d588 83 echo " --enable-postproc enable GPLed postprocessing support [no]"
fdf11906 84 echo " --enable-avfilter video filter support [no]"
0a23c0bb 85 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
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86 echo " --enable-beosthreads use BeOS threads [no]"
87 echo " --enable-os2threads use OS/2 threads [no]"
88 echo " --enable-pthreads use pthreads [no]"
89 echo " --enable-w32threads use Win32 threads [no]"
90 echo " --enable-x11grab enable X11 grabbing [no]"
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91 echo " --disable-network disable network support [no]"
92 echo " --disable-ipv6 disable IPv6 support [no]"
93 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
94 echo " --enable-gray enable full grayscale support (slower color)"
a9ddb5b1 95 echo " --disable-swscale-alpha disable alpha channel support in swscale"
aa033b1e 96 echo " --disable-fastdiv disable table-based division"
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97 echo " --enable-small optimize for size instead of speed"
98 echo " --disable-aandct disable AAN DCT code"
99 echo " --disable-fft disable FFT code"
100 echo " --disable-golomb disable Golomb code"
101 echo " --disable-mdct disable MDCT code"
68602540 102 echo " --disable-rdft disable RDFT code"
e90f5b5a 103 echo " --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
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104 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
105 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
106 echo " --enable-beos-netserver enable BeOS netserver"
107 echo " --disable-encoder=NAME disable encoder NAME"
108 echo " --enable-encoder=NAME enable encoder NAME"
109 echo " --disable-encoders disable all encoders"
110 echo " --disable-decoder=NAME disable decoder NAME"
111 echo " --enable-decoder=NAME enable decoder NAME"
112 echo " --disable-decoders disable all decoders"
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113 echo " --disable-hwaccel=NAME disable hwaccel NAME"
114 echo " --enable-hwaccel=NAME enable hwaccel NAME"
115 echo " --disable-hwaccels disable all hwaccels"
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116 echo " --disable-muxer=NAME disable muxer NAME"
117 echo " --enable-muxer=NAME enable muxer NAME"
118 echo " --disable-muxers disable all muxers"
119 echo " --disable-demuxer=NAME disable demuxer NAME"
120 echo " --enable-demuxer=NAME enable demuxer NAME"
121 echo " --disable-demuxers disable all demuxers"
122 echo " --enable-parser=NAME enable parser NAME"
123 echo " --disable-parser=NAME disable parser NAME"
124 echo " --disable-parsers disable all parsers"
125 echo " --enable-bsf=NAME enable bitstream filter NAME"
126 echo " --disable-bsf=NAME disable bitstream filter NAME"
127 echo " --disable-bsfs disable all bitstream filters"
128 echo " --enable-protocol=NAME enable protocol NAME"
129 echo " --disable-protocol=NAME disable protocol NAME"
130 echo " --disable-protocols disable all protocols"
131 echo " --disable-indevs disable input devices"
132 echo " --disable-outdevs disable output devices"
133 echo " --disable-devices disable all devices"
134 echo " --enable-filter=NAME enable filter NAME"
135 echo " --disable-filter=NAME disable filter NAME"
136 echo " --disable-filters disable all filters"
137 echo " --list-decoders show all available decoders"
138 echo " --list-encoders show all available encoders"
5666fd73 139 echo " --list-hwaccels show all available hardware accelerators"
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140 echo " --list-muxers show all available muxers"
141 echo " --list-demuxers show all available demuxers"
142 echo " --list-parsers show all available parsers"
143 echo " --list-protocols show all available protocols"
144 echo " --list-bsfs show all available bitstream filters"
145 echo " --list-indevs show all available input devices"
146 echo " --list-outdevs show all available output devices"
147 echo " --list-filters show all available filters"
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148 echo
149 echo "External library support:"
0a23c0bb 150 echo " --enable-avisynth enable reading of AVISynth script files [no]"
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151 echo " --enable-bzlib enable bzlib [autodetect]"
152 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
153 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
f7b8bffe 154 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
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155 echo " and libraw1394 [no]"
156 echo " --enable-libdirac enable Dirac support via libdirac [no]"
157 echo " --enable-libfaac enable FAAC support via libfaac [no]"
158 echo " --enable-libfaad enable FAAD support via libfaad [no]"
159 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
160 echo " --enable-libgsm enable GSM support via libgsm [no]"
161 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 162 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 163 echo " native (de)muxer exists [no]"
9a77d59a 164 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
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165 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
166 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
167 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 168 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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169 echo " native implementation exists [no]"
170 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 171 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 172 echo " native MPEG-4/Xvid encoder exists [no]"
732c9a34 173 echo " --enable-mlib enable Sun medialib [no]"
27cb5cbc 174 echo " --enable-zlib enable zlib [autodetect]"
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175 echo ""
176 echo "Advanced options (experts only):"
177 echo " --source-path=PATH path to source code [$source_path]"
178 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 179 echo " --enable-cross-compile assume a cross-compiler is used"
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180 echo " --sysroot=PATH root of cross-build tree"
181 echo " --sysinclude=PATH location of cross-build system headers"
4f854758 182 echo " --target-os=OS compiler targets OS [$target_os]"
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183 echo " --target-exec=CMD command to run executables on target"
184 echo " --target-path=DIR path to view of build directory on target"
89641463 185 echo " --nm=NM use nm tool"
313c46a6 186 echo " --as=AS use assembler AS [$as_default]"
15396d5c 187 echo " --cc=CC use C compiler CC [$cc_default]"
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188 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
189 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
190 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
191 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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192 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
193 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
194 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 195 echo " --extra-version=STRING version string suffix []"
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196 echo " --build-suffix=SUFFIX library name suffix []"
197 echo " --arch=ARCH select architecture [$arch]"
198 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 199 echo " instruction selection, may crash on older CPUs)"
2b4c3615 200 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 201 echo " (requires enabling PMC)"
4f50c3d5 202 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 203 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 204 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
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205 echo " --disable-mmx disable MMX optimizations"
206 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 207 echo " --disable-sse disable SSE optimizations"
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208 echo " --disable-ssse3 disable SSSE3 optimizations"
209 echo " --disable-armv5te disable armv5te optimizations"
210 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 211 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 212 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 213 echo " --disable-iwmmxt disable iwmmxt optimizations"
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214 echo " --disable-mmi disable MMI optimizations"
215 echo " --disable-neon disable neon optimizations"
216 echo " --disable-vis disable VIS optimizations"
7595a5e4 217 echo " --disable-yasm disable use of yasm assembler"
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218 echo
219 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 220 echo " --disable-debug disable debugging symbols"
b7d49373 221 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 222 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 223 echo " --disable-optimizations disable compiler optimizations"
0a622b98 224 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 225 echo " --disable-stripping disable stripping of executables and shared libraries"
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226 echo ""
227 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 228 exit 0
74c53c2d 229}
cf9d24ad 230
57bd82d4 231log(){
2270b4b2 232 echo "$@" >> $logfile
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233}
234
720c69da 235log_file(){
c8e9f801 236 log BEGIN $1
2270b4b2 237 pr -n -t $1 >> $logfile
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238 log END $1
239}
240
2ba042a7 241echolog(){
c8e9f801 242 log "$@"
57bd82d4 243 echo "$@"
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244}
245
246die(){
247 echolog "$@"
248 cat <<EOF
d326cf7f 249
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250If you think configure made a mistake, make sure you are using the latest
251version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 252ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 253EOF
e155a21a 254 if disabled logging; then
2ba042a7 255 cat <<EOF
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256Rerun configure with logging enabled (do not use --disable-logging), and
257include the log this produces with your report.
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258EOF
259 else
260cat <<EOF
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261Include the log file "$logfile" produced by configure as this will help
262solving the problem.
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263EOF
264 fi
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265 exit 1
266}
267
6c6007d6 268# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 269toupper(){
6c6007d6 270 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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271}
272
4a5444db 273tolower(){
6c6007d6 274 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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275}
276
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277c_escape(){
278 echo "$*" | sed 's/["\\]/\\\0/g'
279}
280
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281set_all(){
282 value=$1
283 shift
284 for var in $*; do
285 eval $var=$value
286 done
287}
288
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289set_weak(){
290 value=$1
291 shift
292 for var; do
293 eval : \${$var:=$value}
294 done
295}
296
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297pushvar(){
298 for var in $*; do
299 eval level=\${${var}_level:=0}
300 eval ${var}_${level}="\$$var"
301 eval ${var}_level=$(($level+1))
302 done
303}
304
305popvar(){
306 for var in $*; do
307 eval level=\${${var}_level:-0}
308 test $level = 0 && continue
309 eval level=$(($level-1))
310 eval $var="\${${var}_${level}}"
311 eval ${var}_level=$level
312 eval unset ${var}_${level}
313 done
314}
315
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316enable(){
317 set_all yes $*
318}
319
320disable(){
321 set_all no $*
322}
323
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324enable_weak(){
325 set_weak yes $*
326}
327
328disable_weak(){
329 set_weak no $*
330}
331
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332enable_safe(){
333 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
334}
335
336disable_safe(){
337 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
338}
339
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340do_enable_deep(){
341 for var; do
342 enabled $var && continue
343 eval sel="\$${var}_select"
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344 eval sgs="\$${var}_suggest"
345 pushvar var sgs
f9d328da 346 enable_deep $sel
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347 popvar sgs
348 enable_deep_weak $sgs
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349 popvar var
350 done
351}
352
353enable_deep(){
354 do_enable_deep $*
355 enable $*
356}
357
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358enable_deep_weak(){
359 do_enable_deep $*
360 enable_weak $*
361}
362
57bd82d4 363enabled(){
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364 test "${1#!}" = "$1" && op== || op=!=
365 eval test "x\$${1#!}" $op "xyes"
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366}
367
37970ebf 368disabled(){
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369 test "${1#!}" = "$1" && op== || op=!=
370 eval test "x\$${1#!}" $op "xno"
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371}
372
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373enabled_all(){
374 for opt; do
375 enabled $opt || return 1
376 done
377}
378
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379disabled_all(){
380 for opt; do
381 disabled $opt || return 1
382 done
383}
384
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385enabled_any(){
386 for opt; do
387 enabled $opt && return 0
388 done
389}
390
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391disabled_any(){
392 for opt; do
393 disabled $opt && return 0
394 done
f7b230a7 395 return 1
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396}
397
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398set_default(){
399 for opt; do
88268e94 400 eval : \${$opt:=\$${opt}_default}
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401 done
402}
403
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404is_in(){
405 value=$1
406 shift
407 for var in $*; do
408 [ $var = $value ] && return 0
409 done
410 return 1
411}
412
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413check_deps(){
414 for cfg; do
3250003c 415 cfg="${cfg#!}"
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416 enabled ${cfg}_checking && die "Circular dependency for $cfg."
417 disabled ${cfg}_checking && continue
418 enable ${cfg}_checking
419
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420 eval dep_all="\$${cfg}_deps"
421 eval dep_any="\$${cfg}_deps_any"
7ef3425f 422 eval dep_sel="\$${cfg}_select"
c510c7b5 423 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 424
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425 pushvar cfg dep_all dep_any dep_sel dep_sgs
426 check_deps $dep_all $dep_any $dep_sel $dep_sgs
427 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 428
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429 enabled_all $dep_all || disable $cfg
430 enabled_any $dep_any || disable $cfg
7ef3425f 431 disabled_any $dep_sel && disable $cfg
799c9e9b 432
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433 if enabled $cfg; then
434 eval dep_extralibs="\$${cfg}_extralibs"
435 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 436 enable_deep $dep_sel
c510c7b5 437 enable_deep_weak $dep_sgs
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438 fi
439
799c9e9b 440 disable ${cfg}_checking
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441 done
442}
443
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444print_config(){
445 pfx=$1
446 header=$2
447 makefile=$3
448 shift 3
449 for cfg; do
5e622c40 450 ucname="$(toupper $cfg)"
44161118 451 if enabled $cfg; then
3d907e22 452 echo "#define ${pfx}${ucname} 1" >> $header
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453 echo "${pfx}${ucname}=yes" >> $makefile
454 else
b250f9c6 455 echo "#define ${pfx}${ucname} 0" >> $header
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456 fi
457 done
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458}
459
460flags_saved(){
2270b4b2 461 (: ${SAVE_CFLAGS?}) 2> /dev/null
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462}
463
dcd479c0 464save_flags(){
57bd82d4 465 flags_saved && return
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466 SAVE_CFLAGS="$CFLAGS"
467 SAVE_LDFLAGS="$LDFLAGS"
468 SAVE_extralibs="$extralibs"
469}
470
471restore_flags(){
f5d28d10 472 flags_saved || return
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473 CFLAGS="$SAVE_CFLAGS"
474 LDFLAGS="$SAVE_LDFLAGS"
475 extralibs="$SAVE_extralibs"
476 unset SAVE_CFLAGS
477 unset SAVE_LDFLAGS
478 unset SAVE_extralibs
479}
480
481temp_cflags(){
482 save_flags
483 CFLAGS="$CFLAGS $*"
484}
485
486temp_ldflags(){
487 save_flags
488 LDFLAGS="$LDFLAGS $*"
489}
490
491temp_extralibs(){
492 save_flags
493 extralibs="$extralibs $*"
494}
495
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496append(){
497 var=$1
498 shift
499 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
500 eval "$var=\"\$$var $*\""
501}
502
503add_cflags(){
504 append CFLAGS "$@"
505}
506
507add_ldflags(){
508 append LDFLAGS "$@"
509}
510
511add_extralibs(){
512 append extralibs "$@"
513}
514
b0cfb663 515check_cmd(){
b3cb5d51 516 log "$@"
2270b4b2 517 "$@" >> $logfile 2>&1
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MR
518}
519
dcd479c0 520check_cc(){
57bd82d4 521 log check_cc "$@"
2270b4b2 522 cat > $TMPC
720c69da 523 log_file $TMPC
b0cfb663 524 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
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525}
526
527check_cpp(){
528 log check_cpp "$@"
2270b4b2 529 cat > $TMPC
720c69da 530 log_file $TMPC
b0cfb663 531 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
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532}
533
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534check_as(){
535 log check_as "$@"
536 cat > $TMPC
537 log_file $TMPC
538 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
539}
540
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541check_asm(){
542 log check_asm "$@"
543 name="$1"
544 asm="$2"
545 shift 2
f65883c8 546 check_as "$@" <<EOF && enable $name || disable $name
124c21d7 547void foo(void){ __asm__ volatile($asm); }
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548EOF
549}
550
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551check_yasm(){
552 log check_yasm "$@"
553 echo "$1" > $TMPS
554 log_file $TMPS
555 shift 1
556 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
557}
558
dcd479c0 559check_ld(){
57bd82d4 560 log check_ld "$@"
0607887f 561 check_cc || return
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562 flags=''
563 libs=''
564 for f; do
565 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
566 done
567 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
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568}
569
570check_cflags(){
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571 log check_cflags "$@"
572 check_cc "$@" <<EOF && add_cflags "$@"
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573int x;
574EOF
575}
576
577check_ldflags(){
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578 log check_ldflags "$@"
579 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 580int main(void){ return 0; }
dcd479c0
MR
581EOF
582}
583
584check_header(){
57bd82d4 585 log check_header "$@"
dcd479c0
MR
586 header=$1
587 shift
b77df637
MR
588 disable_safe $header
589 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
590#include <$header>
591int x;
592EOF
593}
594
595check_func(){
57bd82d4 596 log check_func "$@"
dcd479c0
MR
597 func=$1
598 shift
d8bc5f06
MR
599 disable $func
600 check_ld "$@" <<EOF && enable $func
dcd479c0 601extern int $func();
c23a0ac8 602int main(void){ $func(); }
dcd479c0
MR
603EOF
604}
605
2446d3d6
DB
606check_func_headers(){
607 log check_func_headers "$@"
f8d7b072
MR
608 headers=$1
609 func=$2
610 shift 2
611 disable $func
612 incs=""
613 for hdr in $headers; do
614 incs="$incs
615#include <$hdr>"
616 done
cd0d9a9d 617 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 618$incs
d6773f56 619int main(int argc, char **argv){
f8d7b072
MR
620 (void) $func;
621 return 0;
622}
623EOF
624}
625
a5344cf7
SS
626check_cpp_condition(){
627 log check_cpp_condition "$@"
628 header=$1
629 condition=$2
630 check_cpp <<EOF
631#include <$header>
632#if !($condition)
633#error "unsatisfied condition: $condition"
634#endif
635EOF
636}
637
57bd82d4
MR
638check_lib(){
639 log check_lib "$@"
640 header="$1"
641 func="$2"
642 shift 2
fcfcde17
MR
643 temp_extralibs "$@"
644 check_header $header && check_func $func && add_extralibs "$@"
645 err=$?
646 restore_flags
647 return $err
57bd82d4
MR
648}
649
f8d7b072
MR
650check_lib2(){
651 log check_lib2 "$@"
652 headers="$1"
653 func="$2"
654 shift 2
655 temp_extralibs "$@"
2446d3d6 656 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
657 err=$?
658 restore_flags
659 return $err
660}
661
dcd479c0 662check_exec(){
2270b4b2 663 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
664}
665
7dfef245 666check_exec_crash(){
5e622c40 667 code=$(cat)
7dfef245
MR
668
669 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
670 # are safe but may not be available everywhere. Thus we use
671 # raise(SIGTERM) instead. The check is run in a subshell so we
672 # can redirect the "Terminated" message from the shell. SIGBUS
673 # is not defined by standard C so it is used conditionally.
674
2270b4b2 675 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
676#include <signal.h>
677static void sighandler(int sig){
678 raise(SIGTERM);
679}
e5af4a11 680int main(void){
7dfef245
MR
681 signal(SIGILL, sighandler);
682 signal(SIGFPE, sighandler);
683 signal(SIGSEGV, sighandler);
684#ifdef SIGBUS
685 signal(SIGBUS, sighandler);
686#endif
687 { $code }
688}
689EOF
690}
691
72be9e73
DY
692check_type(){
693 log check_type "$@"
694 headers=$1
695 type=$2
696 shift 2
697 disable $type
698 incs=""
699 for hdr in $headers; do
700 incs="$incs
701#include <$hdr>"
702 done
703 check_cc "$@" <<EOF && enable $type
704$incs
705$type v;
706EOF
707}
708
57bd82d4
MR
709require(){
710 name="$1"
711 header="$2"
712 func="$3"
713 shift 3
714 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
715}
716
f8d7b072
MR
717require2(){
718 name="$1"
719 headers="$2"
720 func="$3"
721 shift 3
722 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
723}
724
eea50282
MR
725check_foo_config(){
726 cfg=$1
727 pkg=$2
728 header=$3
729 func=$4
730 shift 4
731 disable $cfg
732 check_cmd ${pkg}-config --version
733 err=$?
734 if test "$err" = 0; then
5e622c40
DB
735 temp_cflags $(${pkg}-config --cflags)
736 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
737 check_lib "$@" $header $func && enable $cfg
738 fi
739 return $err
740}
741
c505dd31
MR
742apply(){
743 file=$1
744 shift
745 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
746}
747
dcd61286
DB
748# CONFIG_LIST contains configurable options, while HAVE_LIST is for
749# system-dependent things.
750
4a0d6686
AJ
751COMPONENT_LIST="
752 bsfs
753 decoders
754 demuxers
755 encoders
3cde40aa 756 filters
5666fd73 757 hwaccels
c552605c 758 indevs
4a0d6686 759 muxers
c552605c 760 outdevs
4a0d6686
AJ
761 parsers
762 protocols
763"
764
765CONFIG_LIST="
766 $COMPONENT_LIST
e8ed9b7a 767 aandct
f7679c54
VS
768 avfilter
769 avfilter_lavf
c88f5d72
MR
770 avisynth
771 beos_netserver
f402916e 772 bzlib
27a9466b 773 fastdiv
c88f5d72
MR
774 ffmpeg
775 ffplay
776 ffserver
1848f7d9 777 fft
4f034993 778 golomb
c88f5d72 779 gpl
ecfc4f44 780 gprof
d8d0d0b2 781 gray
3abe5fbd 782 hardcoded_tables
c88f5d72 783 ipv6
f5a756ef
DB
784 libamr_nb
785 libamr_wb
f7b8bffe 786 libdc1394
690bfceb 787 libdirac
2eed5a46
DB
788 libfaac
789 libfaad
790 libfaadbin
c88f5d72 791 libgsm
6ebe07fb 792 libmp3lame
c88f5d72 793 libnut
9a77d59a 794 libopenjpeg
f7cd9eed 795 libschroedinger
ae14f311 796 libspeex
150d2772 797 libtheora
c88f5d72 798 libvorbis
1cc60c47
DB
799 libx264
800 libxvid
47a158cb 801 mdct
c88f5d72 802 memalign_hack
a8150374 803 mlib
c88f5d72
MR
804 mpegaudio_hp
805 network
3fe142e2 806 nonfree
4a24ab64 807 postproc
2b4c3615 808 powerpc_perf
68602540 809 rdft
e90f5b5a 810 runtime_cpudetect
2e35e684 811 shared
bd2216e4 812 small
2e35e684 813 static
a9ddb5b1 814 swscale_alpha
56a059ac 815 x11grab
c88f5d72 816 zlib
4a0d6686 817"
c88f5d72 818
8eee7025
DB
819THREADS_LIST='
820 beosthreads
d22e8442 821 os2threads
8eee7025
DB
822 pthreads
823 w32threads
824'
825
3f5b56e5
MR
826ARCH_LIST='
827 alpha
a2fc0f6a 828 arm
3f5b56e5
MR
829 bfin
830 ia64
831 m68k
832 mips
833 parisc
79cb09b2 834 ppc
3f5b56e5
MR
835 s390
836 sh4
837 sparc
838 sparc64
839 x86
840 x86_32
841 x86_64
842'
843
844ARCH_EXT_LIST='
1ac9331a 845 altivec
3bf96eec 846 amd3dnow
a1ef9f08 847 amd3dnowext
1ac9331a 848 armv5te
edab3048 849 armv6
ab5cb084 850 armv6t2
f55b299a 851 armvfp
3f5b56e5
MR
852 iwmmxt
853 mmi
854 mmx
d7f0920b 855 mmx2
6b18d278 856 neon
799fde37 857 ppc4xx
1bb04d5a 858 sse
9eeed841 859 ssse3
bd9d34a0 860 vis
3f5b56e5
MR
861'
862
863HAVE_LIST="
864 $ARCH_EXT_LIST
865 $THREADS_LIST
35fd8122 866 alsa_asoundlib_h
3f5b56e5 867 altivec_h
c9fdab0d 868 arpa_inet_h
6bd859d6 869 bswap
ecf97f22 870 closesocket
1ac9331a 871 cmov
e16e49ac 872 conio_h
c88f5d72 873 dcbzl
f8aa696f
DB
874 dev_bktr_ioctl_bt848_h
875 dev_bktr_ioctl_meteor_h
876 dev_ic_bt8xx_h
877 dev_video_meteor_ioctl_meteor_h
878 dev_video_bktr_ioctl_bt848_h
18b67ae5 879 dlfcn_h
c88f5d72 880 dlopen
bc574408 881 dos_paths
245626d0
DB
882 ebp_available
883 ebx_available
c2a29455 884 fast_64bit
7073e9fc 885 fast_cmov
7b829d2a 886 fast_unaligned
9d99cc5a 887 fork
da9e86f8 888 gethrtime
4e68cb8a 889 GetProcessTimes
66be5b45 890 getrusage
2e1913b1 891 inet_aton
61d251db 892 inline_asm
0b4a1821
AS
893 libdc1394_1
894 libdc1394_2
a33cab3a
MK
895 llrint
896 lrint
c88f5d72 897 lrintf
e4673692 898 lzo1x_999_compress
f8aa696f
DB
899 machine_ioctl_bt848_h
900 machine_ioctl_meteor_h
c88f5d72
MR
901 malloc_h
902 memalign
6ffa87d3 903 mkstemp
b4e806b2 904 pld
1f91cdce 905 posix_memalign
9cafbd6c 906 ppc64
a33cab3a
MK
907 round
908 roundf
c88f5d72
MR
909 sdl
910 sdl_video_size
b507ebd1 911 setmode
72be9e73 912 socklen_t
deb29777 913 soundcard_h
f8cda19e 914 poll_h
b58412f1 915 sys_mman_h
b091aa44 916 sys_resource_h
81644c2e 917 sys_select_h
deb29777 918 sys_soundcard_h
1b6e8b73 919 sys_videoio_h
d3a4b4e0 920 ten_operands
e16e49ac 921 termios_h
b265431e 922 threads
7b04b8a0 923 truncf
7c5bfe7a 924 VirtualAlloc
6ff3f3e7 925 winsock2_h
304d586d 926 yasm
0cb78cef 927"
44161118 928
b6bb00b0
MR
929# options emitted with CONFIG_ prefix but not available on command line
930CONFIG_EXTRA="
b6bb00b0
MR
931"
932
520cc7f1 933CMDLINE_SELECT="
3f5b56e5 934 $ARCH_EXT_LIST
520cc7f1 935 $CONFIG_LIST
8eee7025 936 $THREADS_LIST
db6107b6 937 cross_compile
520cc7f1
MR
938 debug
939 extra_warnings
8c6afa4d 940 logging
d2bbb2f7 941 optimizations
87a0fb62 942 stripping
7595a5e4 943 yasm
520cc7f1 944"
426be5dc
DB
945
946PATHS_LIST='
d156bede 947 bindir
14a8acf1 948 datadir
26759c44
MR
949 incdir
950 libdir
26759c44
MR
951 mandir
952 prefix
953 shlibdir
426be5dc
DB
954'
955
956CMDLINE_SET="
957 $PATHS_LIST
958 arch
313c46a6 959 as
426be5dc
DB
960 build_suffix
961 cc
962 cpu
963 cross_prefix
ac63af34 964 extra_version
9da6609f
MR
965 host_cc
966 host_cflags
967 host_ldflags
968 host_libs
82bb3329 969 host_os
426be5dc 970 logfile
89641463 971 nm
26759c44 972 source_path
c5200f17
MR
973 sysinclude
974 sysroot
a7ada2ba 975 target_exec
26759c44 976 target_os
a7ada2ba 977 target_path
426be5dc 978"
520cc7f1 979
912f3148
DB
980# code dependency declarations
981
9eeed841 982# architecture extensions
79cb09b2 983altivec_deps="ppc"
3bf96eec 984amd3dnow_deps="mmx"
a1ef9f08 985amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
986armv5te_deps="arm"
987armv6_deps="arm"
ab5cb084 988armv6t2_deps="arm"
a2fc0f6a
MR
989armvfp_deps="arm"
990iwmmxt_deps="arm"
e241ba14 991mmi_deps="mips"
9eeed841 992mmx_deps="x86"
75aa95a6 993mmx2_deps="mmx"
a2fc0f6a 994neon_deps="arm"
799fde37 995ppc4xx_deps="ppc"
75aa95a6
DB
996sse_deps="mmx"
997ssse3_deps="sse"
bd9d34a0 998vis_deps="sparc"
9eeed841 999
5666fd73 1000# decoders / encoders / hardware accelerators
47a158cb 1001aac_decoder_select="fft mdct"
d8d12c15 1002ac3_decoder_deps="gpl"
47a158cb
MR
1003ac3_decoder_select="fft mdct"
1004atrac3_decoder_select="fft mdct"
4f034993 1005cavs_decoder_select="golomb"
47a158cb 1006cook_decoder_select="fft mdct"
2eef7c62 1007cscd_decoder_suggest="zlib"
47a158cb 1008dca_decoder_select="fft mdct"
e8ed9b7a 1009dnxhd_encoder_select="aandct"
2eef7c62 1010dxa_decoder_select="zlib"
406ab5cc 1011eac3_decoder_deps="gpl"
47a158cb 1012eac3_decoder_select="fft mdct"
e8ed9b7a 1013eatgq_decoder_select="aandct"
d52b39c7 1014eatqi_decoder_select="aandct"
4f034993
MR
1015ffv1_decoder_select="golomb"
1016flac_decoder_select="golomb"
1017flac_encoder_select="golomb"
2eef7c62
AJ
1018flashsv_decoder_select="zlib"
1019flashsv_encoder_select="zlib"
e8ed9b7a
DB
1020flv_encoder_select="aandct"
1021h261_encoder_select="aandct"
1022h263_encoder_select="aandct"
ff418735 1023h263_vaapi_hwaccel_deps="va_va_h"
e8ed9b7a 1024h263p_encoder_select="aandct"
4f034993 1025h264_decoder_select="golomb"
ff418735 1026h264_vaapi_hwaccel_deps="va_va_h"
711dae77 1027h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb 1028imc_decoder_select="fft mdct"
4f034993
MR
1029jpegls_decoder_select="golomb"
1030jpegls_encoder_select="golomb"
e8ed9b7a 1031ljpeg_encoder_select="aandct"
4f034993 1032loco_decoder_select="golomb"
e8ed9b7a
DB
1033mjpeg_encoder_select="aandct"
1034mpeg1video_encoder_select="aandct"
1035mpeg2video_encoder_select="aandct"
1036mpeg4_encoder_select="aandct"
711dae77
DB
1037mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1038mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
ff418735
GB
1039mpeg2_vaapi_hwaccel_deps="va_va_h"
1040mpeg4_vaapi_hwaccel_deps="va_va_h"
8f6f050a 1041mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1042msmpeg4v1_encoder_select="aandct"
1043msmpeg4v2_encoder_select="aandct"
1044msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1045nellymoser_decoder_select="fft mdct"
1046nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1047png_decoder_select="zlib"
1048png_encoder_select="zlib"
63cae55d 1049qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1050rv10_encoder_select="aandct"
1051rv20_encoder_select="aandct"
d52b39c7
AJ
1052rv30_decoder_select="golomb"
1053rv40_decoder_select="golomb"
4f034993
MR
1054shorten_decoder_select="golomb"
1055sonic_decoder_select="golomb"
1056sonic_encoder_select="golomb"
1057sonic_ls_encoder_select="golomb"
1058svq3_decoder_select="golomb"
bee2eac5 1059svq3_decoder_suggest="zlib"
2eef7c62
AJ
1060tiff_decoder_suggest="zlib"
1061tiff_encoder_suggest="zlib"
1062tscc_decoder_select="zlib"
ff418735 1063vc1_vaapi_hwaccel_deps="va_va_h"
711dae77 1064vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb
MR
1065vorbis_decoder_select="fft mdct"
1066vorbis_encoder_select="fft mdct"
1067wmav1_decoder_select="fft mdct"
1068wmav1_encoder_select="fft mdct"
1069wmav2_decoder_select="fft mdct"
1070wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1071wmv1_encoder_select="aandct"
1072wmv2_encoder_select="aandct"
ff418735 1073wmv3_vaapi_hwaccel_deps="va_va_h"
711dae77 1074wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2eef7c62
AJ
1075zlib_decoder_select="zlib"
1076zlib_encoder_select="zlib"
1077zmbv_decoder_select="zlib"
1078zmbv_encoder_select="zlib"
30fd06be 1079
912f3148 1080# external libraries
f5a756ef
DB
1081libamr_nb_decoder_deps="libamr_nb"
1082libamr_nb_encoder_deps="libamr_nb"
1083libamr_wb_decoder_deps="libamr_wb"
1084libamr_wb_encoder_deps="libamr_wb"
1b71f045 1085libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1086libdirac_encoder_deps="libdirac"
c9171a83 1087libfaac_encoder_deps="libfaac"
69ddbd1d 1088libfaad_decoder_deps="libfaad"
4ec45764 1089libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1090libgsm_decoder_deps="libgsm"
1091libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1092libgsm_ms_decoder_deps="libgsm"
1093libgsm_ms_encoder_deps="libgsm"
1cc60c47 1094libmp3lame_encoder_deps="libmp3lame"
9a77d59a 1095libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1096libschroedinger_decoder_deps="libschroedinger"
1097libschroedinger_encoder_deps="libschroedinger"
ae14f311 1098libspeex_decoder_deps="libspeex"
150d2772 1099libtheora_encoder_deps="libtheora"
b0caf888 1100libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1101libx264_encoder_deps="libx264"
1102libxvid_encoder_deps="libxvid"
30fd06be 1103
912f3148 1104# demuxers / muxers
03a76ba9 1105ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1106alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1107alsa_demuxer_extralibs="-lasound"
1108alsa_muxer_deps="alsa_asoundlib_h"
1109alsa_muxer_extralibs="-lasound"
50383e88 1110audio_beos_demuxer_deps="audio_beos"
4ec45764 1111audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1112audio_beos_muxer_deps="audio_beos"
4ec45764 1113audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1114avisynth_demuxer_deps="avisynth"
73483024 1115bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1116dirac_demuxer_deps="dirac_parser"
fe9bb347 1117dv1394_demuxer_deps="dv1394 dv_demuxer"
80ff8a16
OG
1118jack_demuxer_deps="jack_jack_h"
1119jack_demuxer_extralibs="-ljack"
f7b8bffe 1120libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1121libnut_demuxer_deps="libnut"
1122libnut_muxer_deps="libnut"
2eef7c62
AJ
1123matroska_demuxer_suggest="zlib bzlib"
1124mov_demuxer_suggest="zlib"
4bd8e17c 1125mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1126oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1127oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1128redir_demuxer_deps="network"
8eb793c4 1129rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1130rtsp_demuxer_deps="sdp_demuxer"
1131sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1132v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1133v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1134vfwcap_demuxer_deps="capCreateCaptureWindow"
1135vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1136x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1137x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1138
912f3148 1139# protocols
3fff6382 1140gopher_protocol_deps="network"
c08fb000
AB
1141http_protocol_deps="network"
1142rtp_protocol_deps="udp_protocol"
1143tcp_protocol_deps="network"
1144udp_protocol_deps="network"
1145
f7679c54 1146# filters
81124ba0 1147movie_filter_deps="avfilter_lavf"
f7679c54 1148
912f3148 1149# programs
fa859b4d 1150ffplay_deps="sdl"
6ad42348 1151ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1152ffserver_extralibs='$ldl'
a2830dca 1153
912f3148 1154
de6d9b64 1155# default parameters
8a608357 1156
2ba042a7 1157logfile="config.err"
8a608357
MR
1158
1159# installation paths
c9d19248
MR
1160prefix_default="/usr/local"
1161bindir_default='${prefix}/bin'
14a8acf1 1162datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1163incdir_default='${prefix}/include'
1164libdir_default='${prefix}/lib'
1165mandir_default='${prefix}/share/man'
1166shlibdir_default="$libdir_default"
8a608357
MR
1167
1168# toolchain
11e6d03a 1169ar="ar"
13c7df3d 1170cc_default="gcc"
9da6609f 1171host_cc_default="gcc"
11e6d03a 1172ln_s="ln -sf"
89641463 1173nm_default="nm"
11e6d03a 1174objformat="elf"
be7109c1 1175ranlib="ranlib"
0f3cb305 1176strip="strip"
11e6d03a 1177yasmexe="yasm"
8a608357
MR
1178
1179# machine
5e622c40 1180arch=$(uname -m)
38d0a8aa 1181cpu="generic"
8a608357 1182
8a608357 1183# OS
4f854758 1184target_os=$(tolower $(uname -s))
82bb3329 1185host_os=$target_os
8a608357 1186
8a608357 1187# configurable options
497237c7 1188enable debug
aa033b1e 1189enable fastdiv
497237c7
RP
1190enable ffmpeg
1191enable ffplay
1192enable ffserver
1193enable ipv6
497237c7
RP
1194enable mpegaudio_hp
1195enable network
8400d6b8 1196enable optimizations
497237c7 1197enable protocols
530dc538 1198enable static
87a0fb62 1199enable stripping
a9ddb5b1 1200enable swscale_alpha
8a608357 1201
8a608357 1202# build settings
11a9d3e8 1203add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1204SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1205FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1206LIBPREF="lib"
1207LIBSUF=".a"
c5f14466
RP
1208FULLNAME='$(NAME)$(BUILDSUF)'
1209LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1210SLIBPREF="lib"
1211SLIBSUF=".so"
c5f14466 1212SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1213SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1214SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1215LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1216
9da6609f
MR
1217host_cflags='-O3 -g -Wall'
1218host_libs='-lm'
1219
a7ada2ba
MR
1220target_path='.'
1221
0d7dca36
DB
1222# gcc stupidly only outputs the basename of targets with -MM, but we need the
1223# full relative path for objects in subdirectories for non-recursive Make.
333d5374 1224DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1225
c597172e 1226# find source path
5e622c40 1227source_path="$(dirname "$0")"
497237c7 1228enable source_path_used
c597172e 1229if test -z "$source_path" -o "$source_path" = "." ; then
5e622c40 1230 source_path="$(pwd)"
497237c7 1231 disable source_path_used
c597172e 1232else
5e622c40 1233 source_path="$(cd "$source_path"; pwd)"
c597172e 1234 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1235 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1236 test -e "$source_path/config.h" &&
1237 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1238fi
1239
13cbe2c0
MR
1240for v in "$@"; do
1241 r="${v#*=}"
1242 l="${v%$r}"
1243 test "$r" = "${r#* }" || r="'$r'"
1244 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1245done
c597172e 1246
73ef8980
MR
1247find_things(){
1248 thing=$1
1249 pattern=$2
1250 file=$source_path/$3
932ccf39 1251 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1252}
1253
1254ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1255DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1256HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1257PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1258BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1259MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1260DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1261OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1262INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1263PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1264FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1265
7483e694
DB
1266enable $ARCH_EXT_LIST \
1267 $DECODER_LIST \
1268 $ENCODER_LIST \
5666fd73 1269 $HWACCEL_LIST \
7483e694
DB
1270 $PARSER_LIST \
1271 $BSF_LIST \
1272 $DEMUXER_LIST \
1273 $MUXER_LIST \
f7679c54 1274 $FILTER_LIST \
7483e694
DB
1275 $PROTOCOL_LIST \
1276 $INDEV_LIST \
1277 $OUTDEV_LIST \
c597172e
MR
1278
1279die_unknown(){
1280 echo "Unknown option \"$1\"."
1281 echo "See $0 --help for available options."
1282 exit 1
1283}
1284
794f8e97 1285show_list() {
bf0c4afa
RP
1286 suffix=_$1
1287 shift
1288 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1289 exit 0
1290}
1291
c597172e 1292for opt do
7483e694
DB
1293 optval="${opt#*=}"
1294 case "$opt" in
0f010b2f 1295 --extra-cflags=*) add_cflags $optval
7483e694 1296 ;;
0f010b2f 1297 --extra-ldflags=*) add_ldflags $optval
7483e694 1298 ;;
0f010b2f 1299 --extra-libs=*) add_extralibs $optval
7483e694 1300 ;;
8fb1cb58 1301 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1302 ;;
40bcf4c7
BL
1303 --enable-debug=*) debuglevel="$optval"
1304 ;;
7483e694 1305 --enable-*=*|--disable-*=*)
5e622c40 1306 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
7483e694 1307 case "$thing" in
5666fd73 1308 encoder|decoder|hwaccel|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1309 *) die_unknown "$opt" ;;
1310 esac
1311 ;;
1312 --enable-?*|--disable-?*)
5e622c40 1313 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55
MR
1314 if is_in $option $COMPONENT_LIST; then
1315 eval $action \$$(toupper ${option%s})_LIST
1316 elif is_in $option $CMDLINE_SELECT; then
1317 $action $option
1318 else
1319 die_unknown $opt
1320 fi
7483e694
DB
1321 ;;
1322 --list-*)
1323 NAME="${opt#--list-}"
1324 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1325 NAME=${NAME%s}
1326 eval show_list $NAME \$$(toupper $NAME)_LIST
1327 ;;
1328 --help|-h) show_help
1329 ;;
1330 *)
884a36a7 1331 optname="${opt%%=*}"
26759c44
MR
1332 optname="${optname#--}"
1333 optname=$(echo "$optname" | sed 's/-/_/g')
1334 is_in $optname $CMDLINE_SET || die_unknown $opt
1335 eval $optname='$optval'
7483e694
DB
1336 ;;
1337 esac
c597172e
MR
1338done
1339
bcea99bb
MR
1340disabled logging && logfile=/dev/null
1341
13cbe2c0 1342echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1343set >> $logfile
1344
9da6609f
MR
1345test -n "$cross_prefix" && enable cross_compile
1346
adb2b908 1347ar="${cross_prefix}${ar}"
11e6d03a 1348cc_default="${cross_prefix}${cc_default}"
20e0ed95 1349nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1350ranlib="${cross_prefix}${ranlib}"
1351strip="${cross_prefix}${strip}"
1352
c5200f17
MR
1353sysinclude_default="${sysroot}/usr/include"
1354
75800dce
MR
1355set_default cc nm sysinclude
1356as_default=$cc
9da6609f
MR
1357enabled cross_compile || host_cc_default=$cc
1358set_default host_cc
13c7df3d 1359
82bb3329
MR
1360exesuf() {
1361 case $1 in
1362 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1363 esac
1364}
1365
1366EXESUF=$(exesuf $target_os)
1367HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1368
e4e69e0b 1369# set temporary file name
a49d42c2 1370: ${TMPDIR:=$TEMPDIR}
c51fafa1 1371: ${TMPDIR:=$TMP}
a49d42c2 1372: ${TMPDIR:=/tmp}
e4e69e0b 1373
54460a83
MR
1374if ! check_cmd type mktemp; then
1375 # simple replacement for missing mktemp
1376 # NOT SAFE FOR GENERAL USE
1377 mktemp(){
1378 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1379 }
1380fi
1381
1382tmpfile(){
1383 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1384 (set -C; exec > $tmp) 2>/dev/null ||
1385 die "Unable to create temoporary file in $TMPDIR."
1386 append TMPFILES $tmp
1387 eval $1=$tmp
1388}
1389
1390trap 'rm -f -- $TMPFILES' EXIT
1391trap exit HUP INT TERM
1392
1393tmpfile TMPC .c
1394tmpfile TMPE $EXESUF
1395tmpfile TMPH .h
1396tmpfile TMPO .o
1397tmpfile TMPS .S
1398tmpfile TMPSH .sh
1399
1400unset -f mktemp
e4e69e0b 1401
993f2d0f
MR
1402# make sure we can execute files in $TMPDIR
1403cat > $TMPSH 2>> $logfile <<EOF
1404#! /bin/sh
1405EOF
1406chmod +x $TMPSH >> $logfile 2>&1
1407if ! $TMPSH >> $logfile 2>&1; then
1408 cat <<EOF
1409Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1410variable to another directory and make sure that it is not mounted noexec.
1411EOF
1412 die "Sanity test failed."
1413fi
993f2d0f 1414
3a636b6f 1415if $cc --version 2>/dev/null | grep -qi gcc; then
629687f6
MR
1416 cc_type=gcc
1417elif $cc --version 2>/dev/null | grep -q Intel; then
1418 cc_type=icc
1419elif $cc -v 2>&1 | grep -q xlc; then
1420 cc_type=xlc
df442a8d
MR
1421elif $cc -V 2>/dev/null | grep -q Compaq; then
1422 cc_type=ccc
1423 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
03754fcd 1424 debuglevel=3
df442a8d 1425 add_ldflags -Wl,-z,now # calls to libots crash without this
03e37762
MR
1426elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1427 test -d "$sysroot" || die "No valid sysroot specified."
1428 cc_type=armcc
1429 armcc_conf="$PWD/armcc.conf"
1430 $cc --arm_linux_configure \
1431 --arm_linux_config_file="$armcc_conf" \
1432 --configure_sysroot="$sysroot" \
1433 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1434 die "Error creating armcc configuration file."
1435 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1436 as_default="${cross_prefix}gcc"
629687f6
MR
1437fi
1438
1439test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1440
75800dce
MR
1441set_default as
1442
154d432c
MR
1443if test -n "$sysroot"; then
1444 case "$cc_type" in
1445 gcc)
1446 add_cflags --sysroot="$sysroot"
1447 add_ldflags --sysroot="$sysroot"
1448 ;;
1449 esac
1450fi
1451
993f2d0f
MR
1452# compiler sanity check
1453check_exec <<EOF
1454int main(void){ return 0; }
1455EOF
1456if test "$?" != 0; then
1457 echo "$cc is unable to create an executable file."
1458 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1459 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1460 echo "Only do this if you know what cross compiling means."
1461 fi
1462 die "C compiler test failed."
1463fi
1464
e9b9a2f8 1465check_cflags -std=c99
9d821fc2
DB
1466check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1467#include <stdlib.h>
1468EOF
1469check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1470#include <stdlib.h>
1471EOF
e9b9a2f8 1472
b24dbcbd 1473case "$arch" in
b24dbcbd
RP
1474 alpha)
1475 arch="alpha"
1476 enable fast_64bit
c0a02a3e 1477 check_cflags -mieee
b24dbcbd 1478 ;;
cfdb6148
MR
1479 arm|armv[4567]*l)
1480 arch="arm"
b24dbcbd 1481 ;;
f4870943
MR
1482 avr32)
1483 ;;
cfdb6148
MR
1484 bfin)
1485 arch="bfin"
1486 ;;
1487 ia64)
1488 arch="ia64"
b24dbcbd 1489 enable fast_64bit
cfdb6148
MR
1490 ;;
1491 m68k)
1492 arch="m68k"
b24dbcbd 1493 ;;
de3a1240 1494 mips|mipsel|IP*)
b24dbcbd
RP
1495 arch="mips"
1496 ;;
de3a1240
DB
1497 mips64)
1498 arch="mips"
1499 enable fast_64bit
1500 ;;
61597a98 1501 parisc|hppa)
b24dbcbd
RP
1502 arch="parisc"
1503 ;;
61597a98 1504 parisc64|hppa64)
b24dbcbd
RP
1505 arch="parisc"
1506 enable fast_64bit
1507 ;;
cfdb6148
MR
1508 "Power Macintosh"|ppc|powerpc)
1509 arch="ppc"
1510 enable fast_unaligned
1511 ;;
1512 ppc64)
1513 arch="ppc"
1514 enable fast_64bit
1515 enable fast_unaligned
1516 ;;
b24dbcbd
RP
1517 s390|s390x)
1518 arch="s390"
1519 ;;
cfdb6148
MR
1520 sh4|sh)
1521 arch="sh4"
b24dbcbd 1522 ;;
cfdb6148
MR
1523 sparc)
1524 arch="sparc"
1525 ;;
1526 sun4u|sparc64)
1527 arch="sparc"
1528 subarch="sparc64"
b24dbcbd
RP
1529 enable fast_64bit
1530 ;;
cfdb6148
MR
1531 i386|i486|i586|i686|i86pc|BePC)
1532 arch="x86"
1533 subarch="x86_32"
1534 enable fast_unaligned
1535 ;;
1536 x86_64|amd64)
1537 arch="x86"
1538 subarch="x86_32"
1539 enable cmov
1540 enable fast_cmov
1541 enable fast_unaligned
1542 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1543 int test[sizeof(char*) - 7];
1544EOF
b24dbcbd
RP
1545 ;;
1546 *)
1547 arch="unknown"
1548 ;;
1549esac
1550
62045d48 1551enable $arch $subarch
b24dbcbd 1552
7483e694 1553# OS specific
4f854758 1554case $target_os in
7483e694 1555 beos|haiku|zeta)
c9d19248 1556 prefix_default="$HOME/config"
7483e694 1557 # helps building libavcodec
0f010b2f 1558 add_cflags -DPIC -fomit-frame-pointer
7483e694 1559 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 1560 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
1561 case "$gcc_version" in
1562 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1563 disable mmx
1564 ;;
1565 *20010315*) echo "BeBits gcc"
0f010b2f 1566 add_cflags -fno-expensive-optimizations
7483e694
DB
1567 ;;
1568 esac
7483e694
DB
1569 SHFLAGS=-nostart
1570 # enable BeOS things
1571 enable audio_beos
1572 # no need for libm, but the inet stuff
1573 # Check for BONE
1574 # XXX: actually should check for NOT net_server
78fe7631 1575 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1576 network_extralibs="-lbind -lsocket"
1577 else
1578 enable beos_netserver
1579 network_extralibs="-lnet"
1580 fi ;;
1581 sunos)
1582 FFSERVERLDFLAGS=""
9987769a 1583 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1584 network_extralibs="-lsocket -lnsl"
e193c74e 1585 add_cflags -D__EXTENSIONS__
7483e694
DB
1586 ;;
1587 netbsd)
1588 oss_demuxer_extralibs="-lossaudio"
1589 oss_muxer_extralibs="-lossaudio"
1590 ;;
1591 openbsd)
1592 disable need_memalign
1593 LIBOBJFLAGS='$(PIC)'
7483e694 1594 SHFLAGS='-shared'
7483e694
DB
1595 oss_demuxer_extralibs="-lossaudio"
1596 oss_muxer_extralibs="-lossaudio"
1597 ;;
1598 freebsd)
1599 disable need_memalign
1600 ;;
1601 bsd/os)
1602 osextralibs="-lpoll -lgnugetopt"
1603 strip="strip -d"
1604 ;;
1605 darwin)
1606 disable need_memalign
0138c54e 1607 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
1608 strip="strip -x"
1609 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1610 SLIBSUF=".dylib"
1611 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1612 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1613 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1614 objformat="macho"
1b0f6fb8 1615 enabled x86_64 && objformat="macho64"
7483e694
DB
1616 ;;
1617 mingw32*)
4f854758 1618 target_os=mingw32
dcc01c06 1619 LIBTARGET=i386
1fc9fb8a 1620 if enabled x86_64; then
dcc01c06
RP
1621 disable need_memalign
1622 LIBTARGET=x64
1623 fi
fbd971a4 1624 shlibdir_default="$bindir_default"
7483e694
DB
1625 disable ffserver
1626 SLIBPREF=""
1627 SLIBSUF=".dll"
7483e694
DB
1628 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1629 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 1630 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1631 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1632 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1633 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 1634 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1635 objformat="win32"
bc574408 1636 enable dos_paths
b1549d61 1637 if ! enabled x86_64; then
f7ad5aa2
RP
1638 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1639 die "ERROR: MinGW runtime version must be >= 3.15."
1640 enabled_any avisynth vfwcap_demuxer &&
1641 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1642 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1643 fi
7483e694
DB
1644 ;;
1645 cygwin*)
4f854758 1646 target_os=cygwin
fbd971a4 1647 shlibdir_default="$bindir_default"
7483e694
DB
1648 SLIBPREF="cyg"
1649 SLIBSUF=".dll"
1650 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1651 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1652 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1653 objformat="win32"
bc574408 1654 enable dos_paths
7483e694 1655 ;;
4f365f37 1656 *-dos|freedos|opendos)
fdf11906 1657 disable ffplay ffserver
4f365f37
MK
1658 disable $INDEV_LIST $OUTDEV_LIST
1659 network_extralibs="-lsocket"
ff1c015d 1660 objformat="coff"
bc574408 1661 enable dos_paths
4f365f37 1662 ;;
7483e694 1663 linux)
7483e694
DB
1664 enable dv1394
1665 ;;
1666 irix*)
4f854758 1667 target_os=irix
7483e694
DB
1668 ranlib="echo ignoring ranlib"
1669 ;;
d22e8442 1670 os/2*)
d22e8442
DY
1671 strip="lxlite"
1672 ln_s="cp -f"
d22e8442 1673 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1674 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1675 FFSERVERLDFLAGS=""
287d3b13 1676 LIBSUF="_s.a"
d22e8442
DY
1677 SLIBPREF=""
1678 SLIBSUF=".dll"
1679 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1680 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1681 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1682 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1683 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1684 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1685 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1686 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1687 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1688 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1689 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1690 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 1691 enable dos_paths
d22e8442
DY
1692 ;;
1693
7483e694 1694 *)
4f924f9a 1695 die "Unknown OS '$target_os'."
7483e694
DB
1696 ;;
1697esac
1698
c9d19248
MR
1699set_default $PATHS_LIST
1700
c597172e 1701add_extralibs $osextralibs
de6d9b64 1702
28d8e661
DB
1703# Combine FFLDFLAGS and the LDFLAGS environment variable.
1704LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1705
320d060a 1706# we need to build at least one lib type
93b3c083 1707if ! enabled_any static shared; then
320d060a
DB
1708 cat <<EOF
1709At least one library type must be built.
1710Specify --enable-static to build the static libraries or --enable-shared to
1711build the shared libraries as well. To only build the shared libraries specify
1712--disable-static in addition to --enable-shared.
1713EOF
1714 exit 1;
1715fi
1716
abc4e572 1717disabled static && LIBNAME=""
2a320695 1718
a2234ceb
RP
1719if enabled_any libfaad libfaadbin ; then
1720 if check_header faad.h; then
295b8c70 1721 check_cc <<EOF
a2234ceb
RP
1722#include <faad.h>
1723#ifndef FAAD2_VERSION
1724ok faad1
1725#endif
db817cf3 1726int main(void) { return 0; }
a2234ceb
RP
1727EOF
1728 test $? = 0 && enable libfaad2
1729 else
ff3dac65 1730 die "FAAD test failed."
a2234ceb
RP
1731 fi
1732fi
1733
1734
93b3c083 1735if ! enabled gpl; then
54118497
RP
1736 die_gpl_disabled(){
1737 name=$1
1738 shift
1739 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1740 }
4a24ab64 1741 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1742 die_gpl_disabled "libx264" libx264
1743 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1744 die_gpl_disabled "FAAD2" libfaad2
1745 die_gpl_disabled "The X11 grabber" x11grab
ebb810d9 1746fi
b2e3c528 1747
3fe142e2
DB
1748if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1749 die "libamr is nonfree and --enable-nonfree is not specified."
1750fi
1751
9eeed841 1752check_deps $ARCH_EXT_LIST
0f3cb305 1753
5d323602
MR
1754test -z "$need_memalign" && need_memalign="$mmx"
1755
cf9d24ad 1756#Darwin CC versions
4f854758 1757if test $target_os = darwin; then
629687f6 1758 if enabled xlc; then
0f010b2f 1759 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1760 else
0f010b2f
DB
1761 add_cflags -pipe
1762 check_cflags -force_cpusubtype_ALL
1763 check_cflags -Wno-sign-compare
f946a9a4 1764 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1765 fi
2a1a6b64
MN
1766fi
1767
40617a6d 1768disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1769
a4adb608 1770# Add processor-specific flags
38d0a8aa 1771if test $cpu != "generic"; then
bc8ec47b
MR
1772 warn_altivec(){
1773 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1774 }
38d0a8aa 1775 case $cpu in
bb270c08 1776 601|ppc601|PowerPC601)
0f010b2f 1777 add_cflags -mcpu=601
bc8ec47b 1778 warn_altivec enabled PPC601
bb270c08
DB
1779 ;;
1780 603*|ppc603*|PowerPC603*)
0f010b2f 1781 add_cflags -mcpu=603
bc8ec47b 1782 warn_altivec enabled PPC603
bb270c08
DB
1783 ;;
1784 604*|ppc604*|PowerPC604*)
0f010b2f 1785 add_cflags -mcpu=604
bc8ec47b 1786 warn_altivec enabled PPC604
bb270c08
DB
1787 ;;
1788 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1789 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1790 warn_altivec enabled PPC75x
bb270c08
DB
1791 ;;
1792 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1793 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1794 warn_altivec disabled PPC745x
bb270c08
DB
1795 ;;
1796 74*|ppc74*|PowerPC74*)
0f010b2f 1797 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1798 warn_altivec disabled PPC74xx
bb270c08
DB
1799 ;;
1800 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1801 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1802 warn_altivec disabled PPC970
9cafbd6c 1803 enable ppc64
bb270c08 1804 ;;
e07e357d 1805 Cell|CELL|cell)
0f010b2f 1806 add_cflags -mcpu=cell
e07e357d 1807 warn_altivec disabled Cell
9cafbd6c 1808 enable ppc64
e07e357d 1809 ;;
e7768fc5
GP
1810 # targets that do NOT support conditional mov (cmov)
1811 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1812 add_cflags -march=$cpu
497237c7 1813 disable cmov
e7768fc5
GP
1814 ;;
1815 # targets that do support conditional mov (cmov)
416519dd 1816 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1817 add_cflags -march=$cpu
497237c7
RP
1818 enable cmov
1819 enable fast_cmov
94e4c3a3
GP
1820 ;;
1821 # targets that do support conditional mov but on which it's slow
800a5a19 1822 pentium4|pentium4m|prescott|nocona)
0f010b2f 1823 add_cflags -march=$cpu
497237c7
RP
1824 enable cmov
1825 disable fast_cmov
bb270c08 1826 ;;
d7b34d08 1827 sparc64)
0f010b2f 1828 add_cflags -mcpu=v9
d7b34d08 1829 ;;
f2e49553 1830 arm11*|cortex*)
0f010b2f 1831 add_cflags -mcpu=$cpu
f2e49553
MR
1832 enable fast_unaligned
1833 ;;
0223bd6f 1834 armv*)
0f010b2f 1835 add_cflags -march=$cpu
0223bd6f 1836 ;;
f2e49553 1837 arm*)
0f010b2f 1838 add_cflags -mcpu=$cpu
6b19786b 1839 ;;
1cd11856 1840 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
df442a8d 1841 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1cd11856 1842 ;;
bb270c08 1843 *)
7483e694 1844 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1845 ;;
a4adb608
MN
1846 esac
1847fi
1848
b4d96ba2
MR
1849check_cc <<EOF || die "Symbol mangling check failed."
1850int ff_extern;
1851EOF
2f05d9c1 1852sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1853extern_prefix=${sym%%ff_extern*}
1854
f65883c8
MR
1855check_cc <<EOF && enable inline_asm
1856void foo(void) { __asm__ volatile ("" ::); }
1857EOF
61d251db 1858
9eeed841 1859if enabled x86; then
44965991
PI
1860 # check whether EBP is available on x86
1861 # As 'i' is stored on the stack, this program will crash
1862 # if the base pointer is used to access it because the
1863 # base pointer is cleared in the inline assembly code.
7dfef245 1864 check_exec_crash <<EOF && enable ebp_available
44965991 1865 volatile int i=0;
be449fca 1866 __asm__ volatile (
44965991
PI
1867 "xorl %%ebp, %%ebp"
1868 ::: "%ebp");
1869 return i;
44965991
PI
1870EOF
1871
1872 # check wether EBX is available on x86
940f335a 1873 check_asm ebx_available '"":::"%ebx"'
8e380710 1874
d3a4b4e0
DB
1875 # check whether more than 10 operands are supported
1876 check_cc <<EOF && enable ten_operands
1877int main(void) {
1878 int x=0;
1879 __asm__ volatile(
1880 ""
1881 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1882 );
1883 return 0;
1884}
1885EOF
1886
d7f0920b 1887 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1888 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 1889 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
1890
1891 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1892
d52481b9 1893 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1894 enabled x86_64 && append YASMFLAGS "-m amd64"
1895 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1896 case "$objformat" in
1897 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1898 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1899 *) append YASMFLAGS "-DPREFIX" ;;
1900 esac
7595a5e4 1901 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1902fi
1903
87ea51e0
LB
1904# check for assembler specific support
1905
5b6c2cbd 1906enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1907enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1908
57bd82d4
MR
1909# check for SIMD availability
1910
115329f1 1911# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1912if enabled altivec; then
3ed1a2ee
DB
1913 check_cflags -maltivec -mabi=altivec &&
1914 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1915 check_cflags -faltivec
b6e52719 1916
0182fee8 1917 # check if our compiler supports Motorola AltiVec C API
497237c7 1918 check_cc <<EOF || disable altivec
dcd479c0 1919$inc_altivec_h
a9a07762
MN
1920int main(void) {
1921 vector signed int v1, v2, v3;
1922 v1 = vec_add(v2,v3);
1923 return 0;
1924}
1925EOF
b006b26c
DB
1926
1927 # check if our compiler supports braces for vector declarations
80a61f08 1928 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1929$inc_altivec_h
80a61f08 1930int main (void) { (vector int) {1}; return 0; }
b006b26c 1931EOF
a9a07762 1932fi
ab6c65f6 1933
b4e806b2 1934# We have to check if pld is a nop and disable it.
a2fc0f6a 1935enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1936enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1937enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1938enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1939enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1940enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1941enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1942enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1943enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1944
0f010b2f 1945enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1946
57bd82d4
MR
1947# ---
1948# big/little-endian test
9eebe687
MR
1949check_cc <<EOF || die "endian test failed"
1950unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1951EOF
d04d9e16 1952od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1953
a3999908 1954# ---
3d204385
NK
1955# check availability of some header files
1956
a98bb16d
RP
1957if check_func dlopen; then
1958 ldl=
1959elif check_func dlopen -ldl; then
1960 ldl=-ldl
8bf5d58f
MN
1961fi
1962
75ecf149
DB
1963# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1964check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1965
7483e694
DB
1966check_func fork
1967check_func gethrtime
1968check_func getrusage
094c09bb 1969check_func inet_aton $network_extralibs
7483e694
DB
1970check_func memalign
1971check_func mkstemp
1f91cdce 1972check_func posix_memalign
b507ebd1 1973check_func_headers io.h setmode
e4673692 1974check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 1975check_func_headers windows.h GetProcessTimes
7c5bfe7a 1976check_func_headers windows.h VirtualAlloc
6ffa87d3 1977
e16e49ac 1978check_header conio.h
a98bb16d
RP
1979check_header dlfcn.h
1980check_header malloc.h
bf6ce82d 1981check_header poll.h
b58412f1 1982check_header sys/mman.h
b091aa44 1983check_header sys/resource.h
bf6ce82d 1984check_header sys/select.h
a98bb16d 1985check_header termios.h
272081b0
CEH
1986check_header vdpau/vdpau.h
1987check_header vdpau/vdpau_x11.h
68178ca9 1988check_header X11/extensions/XvMClib.h
a98bb16d 1989
1f91cdce
RP
1990if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1991 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1992fi
e16e49ac 1993
a4fa192c 1994disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1995disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1996
1997# check for some common methods of building with pthread support
1998# do this before the optional library checks as some of them require pthreads
1999if enabled pthreads; then
9e7fd101
MR
2000 if check_func pthread_create; then
2001 :
2002 elif check_func pthread_create -pthread; then
2003 add_cflags -pthread
afc9aee2 2004 add_extralibs -pthread
9e7fd101
MR
2005 elif check_func pthread_create -pthreads; then
2006 add_cflags -pthreads
afc9aee2 2007 add_extralibs -pthreads
8d94f606
GT
2008 elif check_func pthread_create -lpthreadGC2; then
2009 add_extralibs -lpthreadGC2
9e7fd101
MR
2010 elif ! check_lib pthread.h pthread_create -lpthread; then
2011 die "ERROR: can't find pthreads library"
2012 fi
57bd82d4
MR
2013fi
2014
8eee7025 2015for thread in $THREADS_LIST; do
e5f94c2b 2016 if enabled $thread; then
3ae3b721
RP
2017 test -n "$thread_type" &&
2018 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2019 thread_type="$thread"
e5f94c2b
RP
2020 fi
2021done
2022
fdf88598 2023check_lib math.h sin -lm
ff418735 2024check_lib va/va.h vaInitialize -lva
fdf88598 2025
a33cab3a 2026# test for C99 functions in math.h
7b04b8a0 2027for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 2028 check_exec <<EOF && enable $func || disable $func
f32adb22 2029#include <math.h>
a33cab3a 2030int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 2031EOF
a33cab3a 2032done
f32adb22 2033
57bd82d4 2034# these are off by default, so fail if requested and not available
79fda097 2035enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
2036enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2037enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 2038enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
2039 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2040 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
2041enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2042enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2043enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2044enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2045enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
3d6fac8c 2046enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2047enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2048 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2049enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
2050enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2051enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 2052enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
2053 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2054 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 2055enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2056enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2057
0b4a1821
AS
2058# libdc1394 check
2059if enabled libdc1394; then
2060 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2061 enable libdc1394_2; } ||
2062 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2063 enable libdc1394_1; } ||
2064 die "ERROR: No version of libdc1394 found "
2065fi
2066
2067
c13e1abd
FH
2068_restrict=
2069for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 2070 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
2071void foo(char * $restrict_keyword p);
2072EOF
c13e1abd
FH
2073done
2074
a86b921c 2075##########################################
29799f8b 2076# SDL check
a86b921c 2077
497237c7
RP
2078disable sdl_too_old
2079disable sdl
6a1a892f 2080SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2081if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2082 sdl_cflags=$("${SDL_CONFIG}" --cflags)
225e21ef 2083 temp_cflags $sdl_cflags
5e622c40 2084 temp_extralibs $("${SDL_CONFIG}" --libs)
1ca5d97f 2085 if check_lib2 SDL.h SDL_Init; then
5e622c40 2086 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
29f3b38a 2087 if test "$_sdlversion" -lt 121 ; then
497237c7 2088 enable sdl_too_old
dcd479c0 2089 else
497237c7 2090 enable sdl
225e21ef 2091 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2092#include <SDL.h>
d6773f56 2093int main(int argc, char **argv){
29f3b38a
MR
2094 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2095 int w = vi->current_w;
2096 return 0;
2097}
2098EOF
dcd479c0
MR
2099 fi
2100 fi
29f3b38a 2101 restore_flags
c3f6b472 2102fi
57bd82d4 2103
2270b4b2 2104texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2105
7a91333f 2106##########################################
73b46a95
RP
2107# Network check
2108
2109if enabled network; then
96000432 2110 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2111 # Prefer arpa/inet.h over winsock2
2112 if check_header arpa/inet.h ; then
2113 check_func closesocket
2114 elif check_header winsock2.h ; then
ea10ddde 2115 network_extralibs="-lws2_32"
72be9e73 2116 check_type ws2tcpip.h socklen_t
2446d3d6 2117 check_func_headers winsock2.h closesocket
73b46a95
RP
2118 fi
2119fi
2120
2121##########################################
29799f8b 2122# IPv6 check
7a91333f 2123
497237c7 2124enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2125#include <sys/types.h>
2126#include <sys/socket.h>
2127#include <netinet/in.h>
2128#include <netdb.h>
db817cf3 2129int main(void) {
7483e694
DB
2130 struct sockaddr_storage saddr;
2131 struct ipv6_mreq mreq6;
2132 getaddrinfo(0,0,0,0);
2133 getnameinfo(0,0,0,0,0,0,0);
2134 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2135}
2136EOF
2137
06e31011
RP
2138check_header linux/videodev.h
2139check_header linux/videodev2.h
1b6e8b73 2140check_header sys/videoio.h
47f38850 2141
2446d3d6 2142check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2143
f8aa696f 2144# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2145{ check_header dev/bktr/ioctl_meteor.h &&
2146 check_header dev/bktr/ioctl_bt848.h; } ||
2147{ check_header machine/ioctl_meteor.h &&
2148 check_header machine/ioctl_bt848.h; } ||
2149{ check_header dev/video/meteor/ioctl_meteor.h &&
2150 check_header dev/video/bktr/ioctl_bt848.h; } ||
2151check_header dev/ic/bt8xx.h
f8aa696f 2152
c7682de0
RP
2153check_header sys/soundcard.h
2154check_header soundcard.h
deb29777 2155
35fd8122
NG
2156check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2157
80ff8a16
OG
2158check_lib2 jack/jack.h jack_client_open -ljack
2159
7483e694 2160# deal with the X11 frame grabber
56a059ac 2161enabled x11grab &&
f58f4ce1
GP
2162check_header X11/Xlib.h &&
2163check_header X11/extensions/XShm.h &&
2164check_func XOpenDisplay -lX11 &&
06eab4ba 2165check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2166
40bcf4c7 2167enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2168
2169# add some useful compiler flags if supported
2170check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2171check_cflags -Wall
2172check_cflags -Wno-switch
c07bd6a9
MN
2173check_cflags -Wdisabled-optimization
2174check_cflags -Wpointer-arith
2175check_cflags -Wredundant-decls
cc1fb623 2176check_cflags -Wno-pointer-sign
f4929996 2177check_cflags -Wcast-qual
9aceb3cf 2178check_cflags -Wwrite-strings
652a5bf6 2179check_cflags -Wtype-limits
764551c6 2180check_cflags -Wundef
5af4e0cc 2181enabled extra_warnings && check_cflags -Winline
cf9d24ad 2182
57bd82d4 2183# add some linker flags
5c0e9479 2184check_ldflags -Wl,--warn-common
8351d2ba
DB
2185check_ldflags -Wl,--as-needed
2186check_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 2187check_ldflags -Wl,-Bsymbolic
94a3401e 2188
bd2216e4
MR
2189if enabled small; then
2190 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2191 optimizations="small"
2192elif enabled optimizations; then
629687f6 2193 if enabled xlc; then
0f010b2f
DB
2194 add_cflags -O5
2195 add_ldflags -O5
df442a8d
MR
2196 elif enabled ccc; then
2197 add_cflags -fast
cf9d24ad 2198 else
0f010b2f 2199 add_cflags -O3
cf9d24ad 2200 fi
cddf3f45 2201fi
11fdbc44 2202check_cflags -fno-math-errno
b2eb2ff0 2203check_cflags -fno-signed-zeros
cddf3f45 2204
504a64b9 2205# add some flags for Intel C Compiler
629687f6 2206if enabled icc; then
b1598b58
MR
2207 # Just warnings, no remarks
2208 check_cflags -w1
2209 # -wd: Disable following warnings
2210 # 144, 167, 556: -Wno-pointer-sign
2211 # 10006: ignoring unknown option -fno-signed-zeros
2212 # 10156: ignoring option '-W'; no argument required
2213 check_cflags -wd144,167,556,10006,10156
2214 # 11030: Warning unknown option --as-needed
2215 # 10156: ignoring option '-export'; no argument required
2216 check_ldflags -wd10156,11030
2217 # Allow to compile with optimizations
2218 check_ldflags -march=$cpu
be2cf98a
CEH
2219 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2220 enable ebp_available
df442a8d
MR
2221elif enabled ccc; then
2222 # disable some annoying warnings
2223 add_cflags -msg_disable cvtu32to64
2224 add_cflags -msg_disable embedcomment
2225 add_cflags -msg_disable needconstext
2226 add_cflags -msg_disable nomainieee
2227 add_cflags -msg_disable ptrmismatch1
2228 add_cflags -msg_disable unreachcode
504a64b9
CEH
2229fi
2230
80581e98 2231# PIC flags for shared library objects where they are needed
5af4e0cc 2232if enabled shared; then
569cb218
MR
2233 # LIBOBJFLAGS may have already been set in the OS configuration
2234 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2235 case "${subarch-$arch}" in
b6bd7268 2236 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2237 esac
2238 fi
80581e98
MN
2239fi
2240
90be59ef 2241if enabled gprof; then
0f010b2f
DB
2242 add_cflags -p
2243 add_ldflags -p
1db54e20
DB
2244fi
2245
7f3c02fc 2246# Find out if the .align argument is a power of two or not.
9377b6ce 2247check_asm asmalign_pot '".align 3"'
4454dc1b 2248
7483e694
DB
2249enabled_any $DECODER_LIST && enable decoders
2250enabled_any $ENCODER_LIST && enable encoders
5666fd73 2251enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2252enabled_any $BSF_LIST && enable bsfs
2253enabled_any $DEMUXER_LIST && enable demuxers
2254enabled_any $MUXER_LIST && enable muxers
f7679c54 2255enabled_any $FILTER_LIST && enable filters
7483e694
DB
2256enabled_any $INDEV_LIST && enable demuxers
2257enabled_any $OUTDEV_LIST && enable muxers
2258enabled_any $PROTOCOL_LIST && enable protocols
2259
2260enabled_any $THREADS_LIST && enable threads
2261
2262check_deps $CONFIG_LIST \
b6bb00b0 2263 $CONFIG_EXTRA \
7483e694
DB
2264 $HAVE_LIST \
2265 $DECODER_LIST \
2266 $ENCODER_LIST \
5666fd73 2267 $HWACCEL_LIST \
7483e694
DB
2268 $PARSER_LIST \
2269 $BSF_LIST \
2270 $DEMUXER_LIST \
2271 $MUXER_LIST \
f7679c54 2272 $FILTER_LIST \
7483e694
DB
2273 $INDEV_LIST \
2274 $OUTDEV_LIST \
2275 $PROTOCOL_LIST \
f70f03f6 2276
3e89171a 2277echo "install prefix $prefix"
f36958f8
DB
2278echo "source path $source_path"
2279echo "C compiler $cc"
bfd5afd8 2280echo ".align is power-of-two $asmalign_pot"
f36958f8 2281echo "ARCH $arch ($cpu)"
ce8871c2
MR
2282if test "$build_suffix" != ""; then
2283 echo "build suffix $build_suffix"
eb94aca9 2284fi
ac63af34
DB
2285if test "$extra_version" != ""; then
2286 echo "version string suffix $extra_version"
2287fi
0db2ce77 2288echo "big-endian ${bigendian-no}"
e90f5b5a 2289echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2290if enabled x86; then
af44e8e4 2291 echo "yasm ${yasm-no}"
0db2ce77 2292 echo "MMX enabled ${mmx-no}"
30e98e62 2293 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2294 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2295 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2296 echo "SSE enabled ${sse-no}"
30e98e62 2297 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2298 echo "CMOV enabled ${cmov-no}"
2299 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2300 echo "EBX available ${ebx_available-no}"
2301 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2302 echo "10 operands supported ${ten_operands-no}"
e41e8342 2303fi
5b6c2cbd 2304if enabled arm; then
0db2ce77
MR
2305 echo "ARMv5TE enabled ${armv5te-no}"
2306 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2307 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2308 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2309 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2310 echo "NEON enabled ${neon-no}"
eba9ae3c 2311fi
5b6c2cbd 2312if enabled mips; then
0db2ce77 2313 echo "MMI enabled ${mmi-no}"
e41e8342 2314fi
5b6c2cbd 2315if enabled ppc; then
0db2ce77 2316 echo "AltiVec enabled ${altivec-no}"
30e98e62 2317 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2318 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2319 echo "performance report ${powerpc_perf-no}"
2320fi
2321if enabled sparc; then
2322 echo "VIS enabled ${vis-no}"
e41e8342 2323fi
0db2ce77
MR
2324echo "gprof enabled ${gprof-no}"
2325echo "debug symbols ${debug-no}"
87a0fb62 2326echo "strip symbols ${stripping-no}"
8400d6b8 2327echo "optimizations ${optimizations-no}"
0db2ce77
MR
2328echo "static ${static-no}"
2329echo "shared ${shared-no}"
4a24ab64 2330echo "postprocessing support ${postproc-no}"
f7679c54 2331echo "new filter support ${avfilter-no}"
81124ba0 2332echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2333echo "network support ${network-no}"
90be59ef 2334if enabled network; then
0db2ce77 2335 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2336fi
0db2ce77
MR
2337echo "threading support ${thread_type-no}"
2338echo "SDL support ${sdl-no}"
90be59ef 2339if enabled sdl_too_old; then
bfd5afd8
DB
2340 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2341fi
0db2ce77
MR
2342echo "Sun medialib support ${mlib-no}"
2343echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2344echo "libamr-nb support ${libamr_nb-no}"
2345echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2346echo "libdc1394 support ${libdc1394-no}"
690bfceb 2347echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2348echo "libfaac enabled ${libfaac-no}"
2349echo "libfaad enabled ${libfaad-no}"
7e0871a7 2350echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2351echo "libgsm enabled ${libgsm-no}"
2352echo "libmp3lame enabled ${libmp3lame-no}"
2353echo "libnut enabled ${libnut-no}"
9a77d59a 2354echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2355echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2356echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2357echo "libtheora enabled ${libtheora-no}"
2358echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2359echo "libx264 enabled ${libx264-no}"
2360echo "libxvid enabled ${libxvid-no}"
0db2ce77 2361echo "zlib enabled ${zlib-no}"
f402916e 2362echo "bzlib enabled ${bzlib-no}"
2c62e737 2363echo
de6d9b64 2364
5666fd73 2365for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2366 echo "Enabled ${type}s:"
f65c9da1 2367 eval list=\$$(toupper $type)_LIST
8138b9db 2368 for part in $list; do
f65c9da1
MR
2369 enabled $part && echo ${part%_*}
2370 done | sort | pr -3 -t
2371 echo
8138b9db
RP
2372done
2373
ba321adb
JK
2374license="LGPL"
2375if enabled nonfree; then
2376 license="unredistributable"
2377elif enabled gpl; then
2378 license="GPL"
2379fi
2380
2381echo "License: $license"
ca5323af 2382
cf1392e9
DB
2383echo "Creating config.mak and config.h..."
2384
29799f8b
DB
2385echo "# Automatically generated by configure - do not modify!" > config.mak
2386echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2387echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2388echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2389echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2390echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2391
d921f03f 2392echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2393echo "prefix=$prefix" >> config.mak
22a324da
DB
2394echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2395echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2396echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2397echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2398echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2399echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
0a7ee3ef
DB
2400echo "SRC_PATH=\"$source_path\"" >> config.mak
2401echo "SRC_PATH_BARE=$source_path" >> config.mak
2402echo "BUILD_ROOT=\"$PWD\"" >> config.mak
980fc7b8 2403echo "CC=$cc" >> config.mak
313c46a6 2404echo "AS=$as" >> config.mak
304d586d 2405echo "YASM=$yasmexe" >> config.mak
980fc7b8 2406echo "AR=$ar" >> config.mak
be7109c1 2407echo "RANLIB=$ranlib" >> config.mak
20369773 2408echo "LN_S=$ln_s" >> config.mak
87a0fb62 2409enabled stripping &&
3ae3b721 2410 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2411 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2412
a9b3f630 2413echo "OPTFLAGS=$CFLAGS" >> config.mak
0f3cb305 2414echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2415echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2416echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2417echo "YASMFLAGS=$YASMFLAGS" >> config.mak
80581e98 2418echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2419echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2420echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2421echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2422echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2423echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2424echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2425echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2426echo "SLIBSUF=$SLIBSUF" >> config.mak
2427echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2428echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2429echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2430echo "HOSTCC=$host_cc" >> config.mak
2431echo "HOSTCFLAGS=$host_cflags" >> config.mak
82bb3329 2432echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
9da6609f
MR
2433echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2434echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2435echo "TARGET_EXEC=$target_exec" >> config.mak
2436echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2437
90be59ef 2438if enabled bigendian; then
7483e694
DB
2439 echo "WORDS_BIGENDIAN=yes" >> config.mak
2440 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2441fi
44161118 2442
90be59ef 2443if enabled sdl; then
5e622c40
DB
2444 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2445 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
a86b921c 2446fi
90be59ef 2447if enabled texi2html; then
7483e694 2448 echo "BUILD_DOC=yes" >> config.mak
146ea952 2449fi
5a872801 2450
719c8e00
MR
2451get_version(){
2452 name=$1
2453 file=$source_path/$2
147e7692
MR
2454 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2455 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2456 lcname=$(tolower $name)
2457 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2458 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2459}
2460
147e7692
MR
2461get_version LIBSWSCALE libswscale/swscale.h
2462get_version LIBPOSTPROC libpostproc/postprocess.h
2463get_version LIBAVCODEC libavcodec/avcodec.h
2464get_version LIBAVDEVICE libavdevice/avdevice.h
2465get_version LIBAVFORMAT libavformat/avformat.h
2466get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2467get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2468
5af4e0cc 2469if enabled shared; then
7483e694
DB
2470 echo "BUILD_SHARED=yes" >> config.mak
2471 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2472 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2473 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2474 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2475 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2476 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2477 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2478 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2479 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2480fi
d7e27559 2481echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2482echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2483
7b5e8a27
DB
2484echo "ARCH=$arch" >> config.mak
2485
3d907e22
MR
2486print_config ARCH_ $TMPH config.mak $ARCH_LIST
2487print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2488print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2489 $CONFIG_EXTRA \
7483e694
DB
2490 $DECODER_LIST \
2491 $ENCODER_LIST \
5666fd73 2492 $HWACCEL_LIST \
7483e694
DB
2493 $PARSER_LIST \
2494 $BSF_LIST \
2495 $DEMUXER_LIST \
2496 $MUXER_LIST \
f7679c54 2497 $FILTER_LIST \
7483e694
DB
2498 $PROTOCOL_LIST \
2499 $INDEV_LIST \
2500 $OUTDEV_LIST \
8ac17293 2501
c13e1abd
FH
2502echo "#define restrict $_restrict" >> $TMPH
2503
bd2216e4 2504if enabled small; then
7483e694 2505 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2506fi
2507
0f3cb305 2508
8156056e 2509# Apparently it's not possible to portably echo a backslash.
3ae3b721 2510enabled asmalign_pot &&
7483e694 2511 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2512 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2513
b4d96ba2 2514echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2515
9c05103f
DB
2516echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2517
b7860763 2518# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2519cmp -s $TMPH config.h &&
2520 echo "config.h is unchanged" ||
2521 mv -f $TMPH config.h
3d204385 2522
165af439 2523# build tree in object directory if source path is different from current one
90be59ef 2524if enabled source_path_used; then
165af439 2525 DIRS="\
7483e694
DB
2526 doc \
2527 libavcodec \
2528 libavcodec/alpha \
a2fc0f6a 2529 libavcodec/arm \
7483e694 2530 libavcodec/bfin \
7483e694
DB
2531 libavcodec/mlib \
2532 libavcodec/ppc \
2533 libavcodec/sh4 \
2534 libavcodec/sparc \
a6493a8f 2535 libavcodec/x86 \
52a9cf34 2536 libavdevice \
f7679c54 2537 libavfilter \
7483e694
DB
2538 libavformat \
2539 libavutil \
2540 libpostproc \
2541 libswscale \
b2cfd7e3
RP
2542 libswscale/bfin \
2543 libswscale/mlib \
2544 libswscale/ppc \
2545 libswscale/sparc \
2546 libswscale/x86 \
7483e694
DB
2547 tests \
2548 tools \
7483e694 2549 "
165af439 2550 FILES="\
7483e694
DB
2551 Makefile \
2552 common.mak \
71c61f62 2553 subdir.mak \
7483e694
DB
2554 doc/texi2pod.pl \
2555 libavcodec/Makefile \
52a9cf34 2556 libavdevice/Makefile \
f7679c54 2557 libavfilter/Makefile \
7483e694
DB
2558 libavformat/Makefile \
2559 libavutil/Makefile \
2560 libpostproc/Makefile \
2561 libswscale/Makefile \
2562 "
165af439 2563 for dir in $DIRS ; do
7483e694 2564 mkdir -p $dir
165af439
MR
2565 done
2566 for f in $FILES ; do
20369773 2567 $ln_s "$source_path/$f" $f
165af439
MR
2568 done
2569fi
def4272a 2570
def4272a 2571
d0674868 2572# build pkg-config files
def4272a 2573
d0674868
DB
2574pkgconfig_generate(){
2575name=$1
b0dfd108 2576shortname=${name#lib}${build_suffix}
d0674868
DB
2577comment=$2
2578version=$3
2579libs=$4
2580requires=$5
25cd5cb3 2581cat <<EOF > $name/$name.pc
3e89171a 2582prefix=$prefix
a94e666c 2583exec_prefix=\${prefix}
f2b7382c 2584libdir=$libdir
7622778e 2585includedir=$incdir
def4272a 2586
d0674868
DB
2587Name: $name
2588Description: $comment
2589Version: $version
5dcfe9f8
AH
2590Requires: $(disabled shared && echo $requires)
2591Requires.private: $(enabled shared && echo $requires)
def4272a 2592Conflicts:
12701f6e
AH
2593Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2594Libs.private: $(enabled shared && echo $libs)
76a448ed 2595Cflags: -I\${includedir}
def4272a 2596EOF
25cd5cb3 2597cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2598prefix=
2599exec_prefix=
46d1ff83 2600libdir=\${pcfiledir}
1d44d365 2601includedir=${source_path}
def4272a 2602
d0674868
DB
2603Name: $name
2604Description: $comment
2605Version: $version
2606Requires: $requires
def4272a 2607Conflicts:
12701f6e 2608Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2609Cflags: -I\${includedir}
2610EOF
d0674868 2611}
def4272a 2612
e426941d 2613pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2614pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2615pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2616pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2617enabled avfilter &&
46983309 2618 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2619enabled postproc &&
e426941d 2620 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2621pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"