configure: {enable,disable}_safe functions that sanitise arguments
[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 "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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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 "$0" "$@"
cde2d79a
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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."
c21d6325
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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:"
e6b9d588
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74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
0a23c0bb
DB
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]"
76022763 84 echo " --enable-swscale enable GPLed software scaler support [no]"
e6b9d588 85 echo " --enable-avfilter video filter support (replaces vhook) [no]"
0a23c0bb 86 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
4f50c3d5 87 echo " --disable-vhook disable video hooking support"
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88 echo " --enable-beosthreads use BeOS threads [no]"
89 echo " --enable-os2threads use OS/2 threads [no]"
90 echo " --enable-pthreads use pthreads [no]"
91 echo " --enable-w32threads use Win32 threads [no]"
92 echo " --enable-x11grab enable X11 grabbing [no]"
732c9a34 93 echo " --enable-vdpau enable VDPAU support [no]"
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94 echo " --disable-network disable network support [no]"
95 echo " --disable-ipv6 disable IPv6 support [no]"
96 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
97 echo " --enable-gray enable full grayscale support (slower color)"
242e2270 98 echo " --enable-fastdiv enable table-based division"
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99 echo " --enable-small optimize for size instead of speed"
100 echo " --disable-aandct disable AAN DCT code"
101 echo " --disable-fft disable FFT code"
102 echo " --disable-golomb disable Golomb code"
103 echo " --disable-mdct disable MDCT code"
68602540 104 echo " --disable-rdft disable RDFT code"
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105 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
106 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
107 echo " --enable-beos-netserver enable BeOS netserver"
108 echo " --disable-encoder=NAME disable encoder NAME"
109 echo " --enable-encoder=NAME enable encoder NAME"
110 echo " --disable-encoders disable all encoders"
111 echo " --disable-decoder=NAME disable decoder NAME"
112 echo " --enable-decoder=NAME enable decoder NAME"
113 echo " --disable-decoders disable all decoders"
114 echo " --disable-muxer=NAME disable muxer NAME"
115 echo " --enable-muxer=NAME enable muxer NAME"
116 echo " --disable-muxers disable all muxers"
117 echo " --disable-demuxer=NAME disable demuxer NAME"
118 echo " --enable-demuxer=NAME enable demuxer NAME"
119 echo " --disable-demuxers disable all demuxers"
120 echo " --enable-parser=NAME enable parser NAME"
121 echo " --disable-parser=NAME disable parser NAME"
122 echo " --disable-parsers disable all parsers"
123 echo " --enable-bsf=NAME enable bitstream filter NAME"
124 echo " --disable-bsf=NAME disable bitstream filter NAME"
125 echo " --disable-bsfs disable all bitstream filters"
126 echo " --enable-protocol=NAME enable protocol NAME"
127 echo " --disable-protocol=NAME disable protocol NAME"
128 echo " --disable-protocols disable all protocols"
129 echo " --disable-indevs disable input devices"
130 echo " --disable-outdevs disable output devices"
131 echo " --disable-devices disable all devices"
132 echo " --enable-filter=NAME enable filter NAME"
133 echo " --disable-filter=NAME disable filter NAME"
134 echo " --disable-filters disable all filters"
135 echo " --list-decoders show all available decoders"
136 echo " --list-encoders show all available encoders"
137 echo " --list-muxers show all available muxers"
138 echo " --list-demuxers show all available demuxers"
139 echo " --list-parsers show all available parsers"
140 echo " --list-protocols show all available protocols"
141 echo " --list-bsfs show all available bitstream filters"
142 echo " --list-indevs show all available input devices"
143 echo " --list-outdevs show all available output devices"
144 echo " --list-filters show all available filters"
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145 echo
146 echo "External library support:"
0a23c0bb 147 echo " --enable-avisynth enable reading of AVISynth script files [no]"
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148 echo " --enable-bzlib enable bzlib [autodetect]"
149 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
150 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
f7b8bffe 151 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
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152 echo " and libraw1394 [no]"
153 echo " --enable-libdirac enable Dirac support via libdirac [no]"
154 echo " --enable-libfaac enable FAAC support via libfaac [no]"
155 echo " --enable-libfaad enable FAAD support via libfaad [no]"
156 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
157 echo " --enable-libgsm enable GSM support via libgsm [no]"
158 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 159 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 160 echo " native (de)muxer exists [no]"
9a77d59a 161 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
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162 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
163 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
164 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 165 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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166 echo " native implementation exists [no]"
167 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 168 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 169 echo " native MPEG-4/Xvid encoder exists [no]"
732c9a34 170 echo " --enable-mlib enable Sun medialib [no]"
27cb5cbc 171 echo " --enable-zlib enable zlib [autodetect]"
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172 echo ""
173 echo "Advanced options (experts only):"
174 echo " --source-path=PATH path to source code [$source_path]"
175 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 176 echo " --enable-cross-compile assume a cross-compiler is used"
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177 echo " --sysroot=PATH root of cross-build tree"
178 echo " --sysinclude=PATH location of cross-build system headers"
4f854758 179 echo " --target-os=OS compiler targets OS [$target_os]"
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180 echo " --target-exec=CMD command to run executables on target"
181 echo " --target-path=DIR path to view of build directory on target"
89641463 182 echo " --nm=NM use nm tool"
15396d5c 183 echo " --cc=CC use C compiler CC [$cc_default]"
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184 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
185 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
186 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
187 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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188 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
189 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
190 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 191 echo " --extra-version=STRING version string suffix []"
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192 echo " --build-suffix=SUFFIX library name suffix []"
193 echo " --arch=ARCH select architecture [$arch]"
194 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 195 echo " instruction selection, may crash on older CPUs)"
2b4c3615 196 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 197 echo " (requires enabling PMC)"
4f50c3d5 198 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 199 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 200 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
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201 echo " --disable-mmx disable MMX optimizations"
202 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 203 echo " --disable-sse disable SSE optimizations"
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DB
204 echo " --disable-ssse3 disable SSSE3 optimizations"
205 echo " --disable-armv5te disable armv5te optimizations"
206 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 207 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 208 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 209 echo " --disable-iwmmxt disable iwmmxt optimizations"
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DB
210 echo " --disable-mmi disable MMI optimizations"
211 echo " --disable-neon disable neon optimizations"
212 echo " --disable-vis disable VIS optimizations"
7595a5e4 213 echo " --disable-yasm disable use of yasm assembler"
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214 echo
215 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 216 echo " --disable-debug disable debugging symbols"
b7d49373 217 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 218 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 219 echo " --disable-optimizations disable compiler optimizations"
0a622b98 220 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 221 echo " --disable-stripping disable stripping of executables and shared libraries"
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222 echo ""
223 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 224 exit 0
74c53c2d 225}
cf9d24ad 226
57bd82d4 227log(){
2270b4b2 228 echo "$@" >> $logfile
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229}
230
720c69da 231log_file(){
c8e9f801 232 log BEGIN $1
2270b4b2 233 pr -n -t $1 >> $logfile
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234 log END $1
235}
236
2ba042a7 237echolog(){
c8e9f801 238 log "$@"
57bd82d4 239 echo "$@"
2ba042a7
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240}
241
242die(){
243 echolog "$@"
244 cat <<EOF
245If you think configure made a mistake, make sure you are using the latest
246version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 247ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 248EOF
e155a21a 249 if disabled logging; then
2ba042a7 250 cat <<EOF
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251Rerun configure with logging enabled (do not use --disable-logging), and
252include the log this produces with your report.
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253EOF
254 else
255cat <<EOF
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256Include the log file "$logfile" produced by configure as this will help
257solving the problem.
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258EOF
259 fi
cea0ac52 260 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
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261 exit 1
262}
263
6c6007d6 264# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 265toupper(){
6c6007d6 266 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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MR
267}
268
4a5444db 269tolower(){
6c6007d6 270 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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271}
272
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273c_escape(){
274 echo "$*" | sed 's/["\\]/\\\0/g'
275}
276
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MR
277set_all(){
278 value=$1
279 shift
280 for var in $*; do
281 eval $var=$value
282 done
283}
284
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285set_weak(){
286 value=$1
287 shift
288 for var; do
289 eval : \${$var:=$value}
290 done
291}
292
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MR
293pushvar(){
294 for var in $*; do
295 eval level=\${${var}_level:=0}
296 eval ${var}_${level}="\$$var"
297 eval ${var}_level=$(($level+1))
298 done
299}
300
301popvar(){
302 for var in $*; do
303 eval level=\${${var}_level:-0}
304 test $level = 0 && continue
305 eval level=$(($level-1))
306 eval $var="\${${var}_${level}}"
307 eval ${var}_level=$level
308 eval unset ${var}_${level}
309 done
310}
311
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312enable(){
313 set_all yes $*
314}
315
316disable(){
317 set_all no $*
318}
319
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320enable_weak(){
321 set_weak yes $*
322}
323
324disable_weak(){
325 set_weak no $*
326}
327
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MR
328enable_safe(){
329 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
330}
331
332disable_safe(){
333 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
334}
335
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MR
336do_enable_deep(){
337 for var; do
338 enabled $var && continue
339 eval sel="\$${var}_select"
c510c7b5
MR
340 eval sgs="\$${var}_suggest"
341 pushvar var sgs
f9d328da 342 enable_deep $sel
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343 popvar sgs
344 enable_deep_weak $sgs
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345 popvar var
346 done
347}
348
349enable_deep(){
350 do_enable_deep $*
351 enable $*
352}
353
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354enable_deep_weak(){
355 do_enable_deep $*
356 enable_weak $*
357}
358
57bd82d4 359enabled(){
3250003c
MR
360 test "${1#!}" = "$1" && op== || op=!=
361 eval test "x\$${1#!}" $op "xyes"
44161118
MR
362}
363
37970ebf 364disabled(){
3250003c
MR
365 test "${1#!}" = "$1" && op== || op=!=
366 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
367}
368
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MR
369enabled_all(){
370 for opt; do
371 enabled $opt || return 1
372 done
373}
374
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DB
375disabled_all(){
376 for opt; do
377 disabled $opt || return 1
378 done
379}
380
44161118
MR
381enabled_any(){
382 for opt; do
383 enabled $opt && return 0
384 done
385}
386
85bca2c5
DB
387disabled_any(){
388 for opt; do
389 disabled $opt && return 0
390 done
f7b230a7 391 return 1
85bca2c5
DB
392}
393
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MR
394set_default(){
395 for opt; do
88268e94 396 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
397 done
398}
399
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AJ
400is_in(){
401 value=$1
402 shift
403 for var in $*; do
404 [ $var = $value ] && return 0
405 done
406 return 1
407}
408
30fd06be
MR
409check_deps(){
410 for cfg; do
3250003c 411 cfg="${cfg#!}"
799c9e9b
MR
412 enabled ${cfg}_checking && die "Circular dependency for $cfg."
413 disabled ${cfg}_checking && continue
414 enable ${cfg}_checking
415
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416 eval dep_all="\$${cfg}_deps"
417 eval dep_any="\$${cfg}_deps_any"
7ef3425f 418 eval dep_sel="\$${cfg}_select"
c510c7b5 419 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 420
c510c7b5
MR
421 pushvar cfg dep_all dep_any dep_sel dep_sgs
422 check_deps $dep_all $dep_any $dep_sel $dep_sgs
423 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 424
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425 enabled_all $dep_all || disable $cfg
426 enabled_any $dep_any || disable $cfg
7ef3425f 427 disabled_any $dep_sel && disable $cfg
799c9e9b 428
4ec45764
RP
429 if enabled $cfg; then
430 eval dep_extralibs="\$${cfg}_extralibs"
431 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 432 enable_deep $dep_sel
c510c7b5 433 enable_deep_weak $dep_sgs
4ec45764
RP
434 fi
435
799c9e9b 436 disable ${cfg}_checking
30fd06be
MR
437 done
438}
439
44161118
MR
440print_config(){
441 pfx=$1
442 header=$2
443 makefile=$3
444 shift 3
445 for cfg; do
3d907e22 446 ucname="`toupper $cfg`"
44161118 447 if enabled $cfg; then
3d907e22 448 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
449 echo "${pfx}${ucname}=yes" >> $makefile
450 else
b250f9c6 451 echo "#define ${pfx}${ucname} 0" >> $header
44161118
MR
452 fi
453 done
57bd82d4
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454}
455
456flags_saved(){
2270b4b2 457 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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458}
459
dcd479c0 460save_flags(){
57bd82d4 461 flags_saved && return
dcd479c0
MR
462 SAVE_CFLAGS="$CFLAGS"
463 SAVE_LDFLAGS="$LDFLAGS"
464 SAVE_extralibs="$extralibs"
465}
466
467restore_flags(){
f5d28d10 468 flags_saved || return
dcd479c0
MR
469 CFLAGS="$SAVE_CFLAGS"
470 LDFLAGS="$SAVE_LDFLAGS"
471 extralibs="$SAVE_extralibs"
472 unset SAVE_CFLAGS
473 unset SAVE_LDFLAGS
474 unset SAVE_extralibs
475}
476
477temp_cflags(){
478 save_flags
479 CFLAGS="$CFLAGS $*"
480}
481
482temp_ldflags(){
483 save_flags
484 LDFLAGS="$LDFLAGS $*"
485}
486
487temp_extralibs(){
488 save_flags
489 extralibs="$extralibs $*"
490}
491
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492append(){
493 var=$1
494 shift
495 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
496 eval "$var=\"\$$var $*\""
497}
498
499add_cflags(){
500 append CFLAGS "$@"
501}
502
503add_ldflags(){
504 append LDFLAGS "$@"
505}
506
507add_extralibs(){
508 append extralibs "$@"
509}
510
b0cfb663 511check_cmd(){
b3cb5d51 512 log "$@"
2270b4b2 513 "$@" >> $logfile 2>&1
b0cfb663
MR
514}
515
dcd479c0 516check_cc(){
57bd82d4 517 log check_cc "$@"
2270b4b2 518 cat > $TMPC
720c69da 519 log_file $TMPC
b0cfb663 520 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
521}
522
523check_cpp(){
524 log check_cpp "$@"
2270b4b2 525 cat > $TMPC
720c69da 526 log_file $TMPC
b0cfb663 527 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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528}
529
940f335a
MR
530check_asm(){
531 log check_asm "$@"
532 name="$1"
533 asm="$2"
534 shift 2
535 check_cc "$@" <<EOF && enable $name || disable $name
124c21d7 536void foo(void){ __asm__ volatile($asm); }
940f335a
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537EOF
538}
539
304d586d
LM
540check_yasm(){
541 log check_yasm "$@"
542 echo "$1" > $TMPS
543 log_file $TMPS
544 shift 1
545 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
546}
547
dcd479c0 548check_ld(){
57bd82d4 549 log check_ld "$@"
0607887f 550 check_cc || return
3155a644
MR
551 flags=''
552 libs=''
553 for f; do
554 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
555 done
556 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
557}
558
559check_cflags(){
57bd82d4
MR
560 log check_cflags "$@"
561 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
562int x;
563EOF
564}
565
566check_ldflags(){
57bd82d4
MR
567 log check_ldflags "$@"
568 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 569int main(void){ return 0; }
dcd479c0
MR
570EOF
571}
572
573check_header(){
57bd82d4 574 log check_header "$@"
dcd479c0
MR
575 header=$1
576 shift
72702705 577 check_cpp "$@" <<EOF && enable_safe $header || disable_safe $header
dcd479c0
MR
578#include <$header>
579int x;
580EOF
581}
582
583check_func(){
57bd82d4 584 log check_func "$@"
dcd479c0
MR
585 func=$1
586 shift
d8bc5f06
MR
587 disable $func
588 check_ld "$@" <<EOF && enable $func
dcd479c0 589extern int $func();
c23a0ac8 590int main(void){ $func(); }
dcd479c0
MR
591EOF
592}
593
2446d3d6
DB
594check_func_headers(){
595 log check_func_headers "$@"
f8d7b072
MR
596 headers=$1
597 func=$2
598 shift 2
599 disable $func
600 incs=""
601 for hdr in $headers; do
602 incs="$incs
603#include <$hdr>"
604 done
605 check_ld "$@" <<EOF && enable $func
606$incs
d6773f56 607int main(int argc, char **argv){
f8d7b072
MR
608 (void) $func;
609 return 0;
610}
611EOF
612}
613
a5344cf7
SS
614check_cpp_condition(){
615 log check_cpp_condition "$@"
616 header=$1
617 condition=$2
618 check_cpp <<EOF
619#include <$header>
620#if !($condition)
621#error "unsatisfied condition: $condition"
622#endif
623EOF
624}
625
57bd82d4
MR
626check_lib(){
627 log check_lib "$@"
628 header="$1"
629 func="$2"
630 shift 2
fcfcde17
MR
631 temp_extralibs "$@"
632 check_header $header && check_func $func && add_extralibs "$@"
633 err=$?
634 restore_flags
635 return $err
57bd82d4
MR
636}
637
f8d7b072
MR
638check_lib2(){
639 log check_lib2 "$@"
640 headers="$1"
641 func="$2"
642 shift 2
643 temp_extralibs "$@"
2446d3d6 644 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
645 err=$?
646 restore_flags
647 return $err
648}
649
dcd479c0 650check_exec(){
2270b4b2 651 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
652}
653
7dfef245
MR
654check_exec_crash(){
655 code=`cat`
656
657 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
658 # are safe but may not be available everywhere. Thus we use
659 # raise(SIGTERM) instead. The check is run in a subshell so we
660 # can redirect the "Terminated" message from the shell. SIGBUS
661 # is not defined by standard C so it is used conditionally.
662
2270b4b2 663 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
664#include <signal.h>
665static void sighandler(int sig){
666 raise(SIGTERM);
667}
e5af4a11 668int main(void){
7dfef245
MR
669 signal(SIGILL, sighandler);
670 signal(SIGFPE, sighandler);
671 signal(SIGSEGV, sighandler);
672#ifdef SIGBUS
673 signal(SIGBUS, sighandler);
674#endif
675 { $code }
676}
677EOF
678}
679
72be9e73
DY
680check_type(){
681 log check_type "$@"
682 headers=$1
683 type=$2
684 shift 2
685 disable $type
686 incs=""
687 for hdr in $headers; do
688 incs="$incs
689#include <$hdr>"
690 done
691 check_cc "$@" <<EOF && enable $type
692$incs
693$type v;
694EOF
695}
696
57bd82d4
MR
697require(){
698 name="$1"
699 header="$2"
700 func="$3"
701 shift 3
702 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
703}
704
f8d7b072
MR
705require2(){
706 name="$1"
707 headers="$2"
708 func="$3"
709 shift 3
710 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
711}
712
eea50282
MR
713check_foo_config(){
714 cfg=$1
715 pkg=$2
716 header=$3
717 func=$4
718 shift 4
719 disable $cfg
720 check_cmd ${pkg}-config --version
721 err=$?
722 if test "$err" = 0; then
723 temp_cflags `${pkg}-config --cflags`
724 temp_extralibs `${pkg}-config --libs`
725 check_lib "$@" $header $func && enable $cfg
726 fi
727 return $err
728}
729
c505dd31
MR
730apply(){
731 file=$1
732 shift
733 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
734}
735
dcd61286
DB
736# CONFIG_LIST contains configurable options, while HAVE_LIST is for
737# system-dependent things.
738
4a0d6686
AJ
739COMPONENT_LIST="
740 bsfs
741 decoders
742 demuxers
743 encoders
3cde40aa 744 filters
c552605c 745 indevs
4a0d6686 746 muxers
c552605c 747 outdevs
4a0d6686
AJ
748 parsers
749 protocols
750"
751
752CONFIG_LIST="
753 $COMPONENT_LIST
e8ed9b7a 754 aandct
f7679c54
VS
755 avfilter
756 avfilter_lavf
c88f5d72
MR
757 avisynth
758 beos_netserver
f402916e 759 bzlib
27a9466b 760 fastdiv
c88f5d72
MR
761 ffmpeg
762 ffplay
763 ffserver
1848f7d9 764 fft
4f034993 765 golomb
c88f5d72 766 gpl
ecfc4f44 767 gprof
d8d0d0b2 768 gray
3abe5fbd 769 hardcoded_tables
c88f5d72 770 ipv6
f5a756ef
DB
771 libamr_nb
772 libamr_wb
f7b8bffe 773 libdc1394
690bfceb 774 libdirac
2eed5a46
DB
775 libfaac
776 libfaad
777 libfaadbin
c88f5d72 778 libgsm
6ebe07fb 779 libmp3lame
c88f5d72 780 libnut
9a77d59a 781 libopenjpeg
f7cd9eed 782 libschroedinger
ae14f311 783 libspeex
150d2772 784 libtheora
c88f5d72 785 libvorbis
1cc60c47
DB
786 libx264
787 libxvid
47a158cb 788 mdct
c88f5d72 789 memalign_hack
a8150374 790 mlib
c88f5d72
MR
791 mpegaudio_hp
792 network
3fe142e2 793 nonfree
4a24ab64 794 postproc
2b4c3615 795 powerpc_perf
68602540 796 rdft
2e35e684 797 shared
bd2216e4 798 small
2e35e684 799 static
13ca50f3 800 swscale
272081b0 801 vdpau
c88f5d72 802 vhook
56a059ac 803 x11grab
c88f5d72 804 zlib
4a0d6686 805"
c88f5d72 806
8eee7025
DB
807THREADS_LIST='
808 beosthreads
d22e8442 809 os2threads
8eee7025
DB
810 pthreads
811 w32threads
812'
813
3f5b56e5
MR
814ARCH_LIST='
815 alpha
a2fc0f6a 816 arm
3f5b56e5
MR
817 bfin
818 ia64
819 m68k
820 mips
821 parisc
79cb09b2 822 ppc
3f5b56e5
MR
823 s390
824 sh4
825 sparc
826 sparc64
827 x86
828 x86_32
829 x86_64
830'
831
832ARCH_EXT_LIST='
1ac9331a 833 altivec
3bf96eec 834 amd3dnow
a1ef9f08 835 amd3dnowext
1ac9331a 836 armv5te
edab3048 837 armv6
ab5cb084 838 armv6t2
f55b299a 839 armvfp
3f5b56e5
MR
840 iwmmxt
841 mmi
842 mmx
d7f0920b 843 mmx2
6b18d278 844 neon
799fde37 845 ppc4xx
1bb04d5a 846 sse
9eeed841 847 ssse3
bd9d34a0 848 vis
3f5b56e5
MR
849'
850
851HAVE_LIST="
852 $ARCH_EXT_LIST
853 $THREADS_LIST
35fd8122 854 alsa_asoundlib_h
3f5b56e5 855 altivec_h
c9fdab0d 856 arpa_inet_h
6bd859d6 857 bswap
ecf97f22 858 closesocket
1ac9331a 859 cmov
e16e49ac 860 conio_h
c88f5d72 861 dcbzl
f8aa696f
DB
862 dev_bktr_ioctl_bt848_h
863 dev_bktr_ioctl_meteor_h
864 dev_ic_bt8xx_h
865 dev_video_meteor_ioctl_meteor_h
866 dev_video_bktr_ioctl_bt848_h
18b67ae5 867 dlfcn_h
c88f5d72 868 dlopen
bc574408 869 dos_paths
245626d0
DB
870 ebp_available
871 ebx_available
c2a29455 872 fast_64bit
7073e9fc 873 fast_cmov
7b829d2a 874 fast_unaligned
9d99cc5a 875 fork
c88f5d72 876 freetype2
da9e86f8 877 gethrtime
4e68cb8a 878 GetProcessTimes
66be5b45 879 getrusage
c88f5d72 880 imlib2
2e1913b1 881 inet_aton
61d251db 882 inline_asm
0b4a1821
AS
883 libdc1394_1
884 libdc1394_2
a33cab3a
MK
885 llrint
886 lrint
c88f5d72 887 lrintf
f8aa696f
DB
888 machine_ioctl_bt848_h
889 machine_ioctl_meteor_h
c88f5d72
MR
890 malloc_h
891 memalign
6ffa87d3 892 mkstemp
b4e806b2 893 pld
1f91cdce 894 posix_memalign
9cafbd6c 895 ppc64
a33cab3a
MK
896 round
897 roundf
c88f5d72
MR
898 sdl
899 sdl_video_size
b507ebd1 900 setmode
72be9e73 901 socklen_t
deb29777 902 soundcard_h
f8cda19e 903 poll_h
b58412f1 904 sys_mman_h
b091aa44 905 sys_resource_h
81644c2e 906 sys_select_h
deb29777 907 sys_soundcard_h
1b6e8b73 908 sys_videoio_h
d3a4b4e0 909 ten_operands
e16e49ac 910 termios_h
b265431e 911 threads
7b04b8a0 912 truncf
6ff3f3e7 913 winsock2_h
304d586d 914 yasm
0cb78cef 915"
44161118 916
b6bb00b0
MR
917# options emitted with CONFIG_ prefix but not available on command line
918CONFIG_EXTRA="
40b509b3 919 oldscaler
b6bb00b0
MR
920"
921
520cc7f1 922CMDLINE_SELECT="
3f5b56e5 923 $ARCH_EXT_LIST
520cc7f1 924 $CONFIG_LIST
8eee7025 925 $THREADS_LIST
db6107b6 926 cross_compile
520cc7f1
MR
927 debug
928 extra_warnings
8c6afa4d 929 logging
d2bbb2f7 930 optimizations
87a0fb62 931 stripping
7595a5e4 932 yasm
520cc7f1 933"
426be5dc
DB
934
935PATHS_LIST='
d156bede 936 bindir
14a8acf1 937 datadir
26759c44
MR
938 incdir
939 libdir
26759c44
MR
940 mandir
941 prefix
942 shlibdir
426be5dc
DB
943'
944
945CMDLINE_SET="
946 $PATHS_LIST
947 arch
948 build_suffix
949 cc
950 cpu
951 cross_prefix
ac63af34 952 extra_version
9da6609f
MR
953 host_cc
954 host_cflags
955 host_ldflags
956 host_libs
426be5dc 957 logfile
89641463 958 nm
26759c44 959 source_path
c5200f17
MR
960 sysinclude
961 sysroot
a7ada2ba 962 target_exec
26759c44 963 target_os
a7ada2ba 964 target_path
426be5dc 965"
520cc7f1 966
912f3148
DB
967# code dependency declarations
968
9eeed841 969# architecture extensions
79cb09b2 970altivec_deps="ppc"
3bf96eec 971amd3dnow_deps="mmx"
a1ef9f08 972amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
973armv5te_deps="arm"
974armv6_deps="arm"
ab5cb084 975armv6t2_deps="arm"
a2fc0f6a
MR
976armvfp_deps="arm"
977iwmmxt_deps="arm"
e241ba14 978mmi_deps="mips"
9eeed841 979mmx_deps="x86"
75aa95a6 980mmx2_deps="mmx"
a2fc0f6a 981neon_deps="arm"
799fde37 982ppc4xx_deps="ppc"
75aa95a6
DB
983sse_deps="mmx"
984ssse3_deps="sse"
bd9d34a0 985vis_deps="sparc"
9eeed841 986
b6bb00b0 987# common features
40b509b3 988oldscaler_deps="!swscale"
b6bb00b0 989
912f3148 990# decoders / encoders
47a158cb 991aac_decoder_select="fft mdct"
d8d12c15 992ac3_decoder_deps="gpl"
47a158cb
MR
993ac3_decoder_select="fft mdct"
994atrac3_decoder_select="fft mdct"
4f034993 995cavs_decoder_select="golomb"
47a158cb 996cook_decoder_select="fft mdct"
2eef7c62 997cscd_decoder_suggest="zlib"
47a158cb 998dca_decoder_select="fft mdct"
e8ed9b7a 999dnxhd_encoder_select="aandct"
2eef7c62 1000dxa_decoder_select="zlib"
406ab5cc 1001eac3_decoder_deps="gpl"
47a158cb 1002eac3_decoder_select="fft mdct"
e8ed9b7a 1003eatgq_decoder_select="aandct"
d52b39c7 1004eatqi_decoder_select="aandct"
4f034993
MR
1005ffv1_decoder_select="golomb"
1006flac_decoder_select="golomb"
1007flac_encoder_select="golomb"
2eef7c62
AJ
1008flashsv_decoder_select="zlib"
1009flashsv_encoder_select="zlib"
e8ed9b7a
DB
1010flv_encoder_select="aandct"
1011h261_encoder_select="aandct"
1012h263_encoder_select="aandct"
1013h263p_encoder_select="aandct"
4f034993 1014h264_decoder_select="golomb"
369122dd 1015h264_vdpau_decoder_deps="vdpau"
47a158cb 1016imc_decoder_select="fft mdct"
4f034993
MR
1017jpegls_decoder_select="golomb"
1018jpegls_encoder_select="golomb"
e8ed9b7a 1019ljpeg_encoder_select="aandct"
4f034993 1020loco_decoder_select="golomb"
e8ed9b7a
DB
1021mjpeg_encoder_select="aandct"
1022mpeg1video_encoder_select="aandct"
1023mpeg2video_encoder_select="aandct"
1024mpeg4_encoder_select="aandct"
d37edddc 1025mpeg_vdpau_decoder_deps="vdpau"
2b324225 1026mpeg1_vdpau_decoder_deps="vdpau"
8f6f050a 1027mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1028msmpeg4v1_encoder_select="aandct"
1029msmpeg4v2_encoder_select="aandct"
1030msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1031nellymoser_decoder_select="fft mdct"
1032nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1033png_decoder_select="zlib"
1034png_encoder_select="zlib"
63cae55d 1035qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1036rv10_encoder_select="aandct"
1037rv20_encoder_select="aandct"
d52b39c7
AJ
1038rv30_decoder_select="golomb"
1039rv40_decoder_select="golomb"
4f034993
MR
1040shorten_decoder_select="golomb"
1041sonic_decoder_select="golomb"
1042sonic_encoder_select="golomb"
1043sonic_ls_encoder_select="golomb"
1044svq3_decoder_select="golomb"
bee2eac5 1045svq3_decoder_suggest="zlib"
2eef7c62
AJ
1046tiff_decoder_suggest="zlib"
1047tiff_encoder_suggest="zlib"
1048tscc_decoder_select="zlib"
c5b42f4a 1049vc1_vdpau_decoder_deps="vdpau"
47a158cb
MR
1050vorbis_decoder_select="fft mdct"
1051vorbis_encoder_select="fft mdct"
1052wmav1_decoder_select="fft mdct"
1053wmav1_encoder_select="fft mdct"
1054wmav2_decoder_select="fft mdct"
1055wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1056wmv1_encoder_select="aandct"
1057wmv2_encoder_select="aandct"
c5b42f4a 1058wmv3_vdpau_decoder_deps="vdpau"
2eef7c62
AJ
1059zlib_decoder_select="zlib"
1060zlib_encoder_select="zlib"
1061zmbv_decoder_select="zlib"
1062zmbv_encoder_select="zlib"
30fd06be 1063
912f3148 1064# external libraries
f5a756ef
DB
1065libamr_nb_decoder_deps="libamr_nb"
1066libamr_nb_encoder_deps="libamr_nb"
1067libamr_wb_decoder_deps="libamr_wb"
1068libamr_wb_encoder_deps="libamr_wb"
1b71f045 1069libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1070libdirac_encoder_deps="libdirac"
c9171a83 1071libfaac_encoder_deps="libfaac"
69ddbd1d 1072libfaad_decoder_deps="libfaad"
4ec45764 1073libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1074libgsm_decoder_deps="libgsm"
1075libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1076libgsm_ms_decoder_deps="libgsm"
1077libgsm_ms_encoder_deps="libgsm"
1cc60c47 1078libmp3lame_encoder_deps="libmp3lame"
9a77d59a 1079libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1080libschroedinger_decoder_deps="libschroedinger"
1081libschroedinger_encoder_deps="libschroedinger"
ae14f311 1082libspeex_decoder_deps="libspeex"
150d2772 1083libtheora_encoder_deps="libtheora"
b0caf888 1084libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1085libx264_encoder_deps="libx264"
1086libxvid_encoder_deps="libxvid"
13566c31 1087mpeg4aac_decoder_deps="libfaad"
272081b0 1088vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
30fd06be 1089
912f3148 1090# demuxers / muxers
03a76ba9 1091ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1092alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1093alsa_demuxer_extralibs="-lasound"
1094alsa_muxer_deps="alsa_asoundlib_h"
1095alsa_muxer_extralibs="-lasound"
50383e88 1096audio_beos_demuxer_deps="audio_beos"
4ec45764 1097audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1098audio_beos_muxer_deps="audio_beos"
4ec45764 1099audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1100avisynth_demuxer_deps="avisynth"
73483024 1101bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1102dirac_demuxer_deps="dirac_parser"
fe9bb347 1103dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1104libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1105libnut_demuxer_deps="libnut"
1106libnut_muxer_deps="libnut"
2eef7c62
AJ
1107matroska_demuxer_suggest="zlib bzlib"
1108mov_demuxer_suggest="zlib"
4bd8e17c 1109mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1110oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1111oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1112redir_demuxer_deps="network"
8eb793c4 1113rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1114rtsp_demuxer_deps="sdp_demuxer"
1115sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1116v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1117v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1118vfwcap_demuxer_deps="capCreateCaptureWindow"
1119vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1120x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1121x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1122
912f3148 1123# protocols
3fff6382 1124gopher_protocol_deps="network"
c08fb000
AB
1125http_protocol_deps="network"
1126rtp_protocol_deps="udp_protocol"
1127tcp_protocol_deps="network"
1128udp_protocol_deps="network"
1129
f7679c54 1130# filters
81124ba0 1131movie_filter_deps="avfilter_lavf"
f7679c54 1132
912f3148 1133# programs
fa859b4d 1134ffplay_deps="sdl"
6ad42348 1135ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
1136ffserver_extralibs='$ldl'
1137vhook_extralibs='$ldl'
a2830dca 1138
912f3148 1139
de6d9b64 1140# default parameters
8a608357 1141
2ba042a7 1142logfile="config.err"
8a608357
MR
1143
1144# installation paths
c9d19248
MR
1145prefix_default="/usr/local"
1146bindir_default='${prefix}/bin'
14a8acf1 1147datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1148incdir_default='${prefix}/include'
1149libdir_default='${prefix}/lib'
1150mandir_default='${prefix}/share/man'
1151shlibdir_default="$libdir_default"
8a608357
MR
1152
1153# toolchain
11e6d03a 1154ar="ar"
13c7df3d 1155cc_default="gcc"
9da6609f 1156host_cc_default="gcc"
11e6d03a 1157ln_s="ln -sf"
89641463 1158nm_default="nm"
11e6d03a 1159objformat="elf"
be7109c1 1160ranlib="ranlib"
0f3cb305 1161strip="strip"
11e6d03a 1162yasmexe="yasm"
8a608357
MR
1163
1164# machine
cc6a90dd 1165arch=`uname -m`
38d0a8aa 1166cpu="generic"
8a608357 1167
8a608357 1168# OS
4f854758 1169target_os=$(tolower $(uname -s))
8a608357 1170
8a608357 1171# configurable options
497237c7 1172enable debug
497237c7
RP
1173enable ffmpeg
1174enable ffplay
1175enable ffserver
1176enable ipv6
497237c7
RP
1177enable mpegaudio_hp
1178enable network
40b509b3 1179enable oldscaler
8400d6b8 1180enable optimizations
497237c7 1181enable protocols
530dc538 1182enable static
87a0fb62 1183enable stripping
8a608357
MR
1184vhook="default"
1185
8a608357 1186# build settings
11a9d3e8 1187add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1188SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 1189VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 1190FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1191LIBPREF="lib"
1192LIBSUF=".a"
c5f14466
RP
1193FULLNAME='$(NAME)$(BUILDSUF)'
1194LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1195SLIBPREF="lib"
1196SLIBSUF=".so"
c5f14466 1197SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1198SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1199SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1200LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1201
9da6609f
MR
1202host_cflags='-O3 -g -Wall'
1203host_libs='-lm'
1204
a7ada2ba
MR
1205target_path='.'
1206
0d7dca36
DB
1207# gcc stupidly only outputs the basename of targets with -MM, but we need the
1208# full relative path for objects in subdirectories for non-recursive Make.
333d5374 1209DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1210
c597172e
MR
1211# find source path
1212source_path="`dirname \"$0\"`"
497237c7 1213enable source_path_used
c597172e
MR
1214if test -z "$source_path" -o "$source_path" = "." ; then
1215 source_path="`pwd`"
497237c7 1216 disable source_path_used
c597172e
MR
1217else
1218 source_path="`cd \"$source_path\"; pwd`"
1219 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1220 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1221fi
1222
c597172e
MR
1223FFMPEG_CONFIGURATION="$@"
1224
73ef8980
MR
1225find_things(){
1226 thing=$1
1227 pattern=$2
1228 file=$source_path/$3
932ccf39 1229 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1230}
1231
1232ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1233DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1234PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1235BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1236MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1237DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1238OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1239INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1240PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1241FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1242
7483e694
DB
1243enable $ARCH_EXT_LIST \
1244 $DECODER_LIST \
1245 $ENCODER_LIST \
1246 $PARSER_LIST \
1247 $BSF_LIST \
1248 $DEMUXER_LIST \
1249 $MUXER_LIST \
f7679c54 1250 $FILTER_LIST \
7483e694
DB
1251 $PROTOCOL_LIST \
1252 $INDEV_LIST \
1253 $OUTDEV_LIST \
c597172e
MR
1254
1255die_unknown(){
1256 echo "Unknown option \"$1\"."
1257 echo "See $0 --help for available options."
1258 exit 1
1259}
1260
794f8e97 1261show_list() {
bf0c4afa
RP
1262 suffix=_$1
1263 shift
1264 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1265 exit 0
1266}
1267
c597172e 1268for opt do
7483e694
DB
1269 optval="${opt#*=}"
1270 case "$opt" in
0f010b2f 1271 --extra-cflags=*) add_cflags $optval
7483e694 1272 ;;
0f010b2f 1273 --extra-ldflags=*) add_ldflags $optval
7483e694 1274 ;;
0f010b2f 1275 --extra-libs=*) add_extralibs $optval
7483e694 1276 ;;
8fb1cb58 1277 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1278 ;;
40bcf4c7
BL
1279 --enable-debug=*) debuglevel="$optval"
1280 ;;
7483e694
DB
1281 --enable-*=*|--disable-*=*)
1282 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1283 case "$thing" in
81124ba0 1284 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1285 *) die_unknown "$opt" ;;
1286 esac
1287 ;;
1288 --enable-?*|--disable-?*)
1289 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1290 if is_in $option $COMPONENT_LIST; then
1291 eval $action \$$(toupper ${option%s})_LIST
1292 elif is_in $option $CMDLINE_SELECT; then
1293 $action $option
1294 else
1295 die_unknown $opt
1296 fi
7483e694
DB
1297 ;;
1298 --list-*)
1299 NAME="${opt#--list-}"
1300 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1301 NAME=${NAME%s}
1302 eval show_list $NAME \$$(toupper $NAME)_LIST
1303 ;;
1304 --help|-h) show_help
1305 ;;
1306 *)
884a36a7 1307 optname="${opt%%=*}"
26759c44
MR
1308 optname="${optname#--}"
1309 optname=$(echo "$optname" | sed 's/-/_/g')
1310 is_in $optname $CMDLINE_SET || die_unknown $opt
1311 eval $optname='$optval'
7483e694
DB
1312 ;;
1313 esac
c597172e
MR
1314done
1315
bcea99bb
MR
1316disabled logging && logfile=/dev/null
1317
1318echo "# $0 $@" > $logfile
1319set >> $logfile
1320
9da6609f
MR
1321test -n "$cross_prefix" && enable cross_compile
1322
adb2b908 1323ar="${cross_prefix}${ar}"
11e6d03a 1324cc_default="${cross_prefix}${cc_default}"
20e0ed95 1325nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1326ranlib="${cross_prefix}${ranlib}"
1327strip="${cross_prefix}${strip}"
1328
c5200f17
MR
1329sysinclude_default="${sysroot}/usr/include"
1330
1331set_default cc nm sysinclude
9da6609f
MR
1332enabled cross_compile || host_cc_default=$cc
1333set_default host_cc
13c7df3d 1334
c0f5b7f1
MR
1335case $target_os in
1336 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) EXESUF=.exe ;;
1337esac
1338
e4e69e0b 1339# set temporary file name
a49d42c2 1340: ${TMPDIR:=$TEMPDIR}
c51fafa1 1341: ${TMPDIR:=$TMP}
a49d42c2 1342: ${TMPDIR:=/tmp}
e4e69e0b 1343
a49d42c2
MR
1344TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1345TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1346TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1347TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1348TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1349TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
e4e69e0b 1350
993f2d0f
MR
1351# make sure we can execute files in $TMPDIR
1352cat > $TMPSH 2>> $logfile <<EOF
1353#! /bin/sh
1354EOF
1355chmod +x $TMPSH >> $logfile 2>&1
1356if ! $TMPSH >> $logfile 2>&1; then
1357 cat <<EOF
1358Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1359variable to another directory and make sure that it is not mounted noexec.
1360EOF
1361 die "Sanity test failed."
1362fi
1363rm $TMPSH
1364
3a636b6f 1365if $cc --version 2>/dev/null | grep -qi gcc; then
629687f6
MR
1366 cc_type=gcc
1367elif $cc --version 2>/dev/null | grep -q Intel; then
1368 cc_type=icc
1369elif $cc -v 2>&1 | grep -q xlc; then
1370 cc_type=xlc
df442a8d
MR
1371elif $cc -V 2>/dev/null | grep -q Compaq; then
1372 cc_type=ccc
1373 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1374 add_ldflags -Wl,-z,now # calls to libots crash without this
629687f6
MR
1375fi
1376
1377test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1378
154d432c
MR
1379if test -n "$sysroot"; then
1380 case "$cc_type" in
1381 gcc)
1382 add_cflags --sysroot="$sysroot"
1383 add_ldflags --sysroot="$sysroot"
1384 ;;
1385 esac
1386fi
1387
993f2d0f
MR
1388# compiler sanity check
1389check_exec <<EOF
1390int main(void){ return 0; }
1391EOF
1392if test "$?" != 0; then
1393 echo "$cc is unable to create an executable file."
1394 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1395 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1396 echo "Only do this if you know what cross compiling means."
1397 fi
1398 die "C compiler test failed."
1399fi
1400
e9b9a2f8
MN
1401check_cflags -std=c99
1402
b24dbcbd 1403case "$arch" in
b24dbcbd
RP
1404 alpha)
1405 arch="alpha"
1406 enable fast_64bit
c0a02a3e 1407 check_cflags -mieee
b24dbcbd 1408 ;;
cfdb6148
MR
1409 arm|armv[4567]*l)
1410 arch="arm"
b24dbcbd 1411 ;;
f4870943
MR
1412 avr32)
1413 ;;
cfdb6148
MR
1414 bfin)
1415 arch="bfin"
1416 ;;
1417 ia64)
1418 arch="ia64"
b24dbcbd 1419 enable fast_64bit
cfdb6148
MR
1420 ;;
1421 m68k)
1422 arch="m68k"
b24dbcbd 1423 ;;
de3a1240 1424 mips|mipsel|IP*)
b24dbcbd
RP
1425 arch="mips"
1426 ;;
de3a1240
DB
1427 mips64)
1428 arch="mips"
1429 enable fast_64bit
1430 ;;
61597a98 1431 parisc|hppa)
b24dbcbd
RP
1432 arch="parisc"
1433 ;;
61597a98 1434 parisc64|hppa64)
b24dbcbd
RP
1435 arch="parisc"
1436 enable fast_64bit
1437 ;;
cfdb6148
MR
1438 "Power Macintosh"|ppc|powerpc)
1439 arch="ppc"
1440 enable fast_unaligned
1441 ;;
1442 ppc64)
1443 arch="ppc"
1444 enable fast_64bit
1445 enable fast_unaligned
1446 ;;
b24dbcbd
RP
1447 s390|s390x)
1448 arch="s390"
1449 ;;
cfdb6148
MR
1450 sh4|sh)
1451 arch="sh4"
b24dbcbd 1452 ;;
cfdb6148
MR
1453 sparc)
1454 arch="sparc"
1455 ;;
1456 sun4u|sparc64)
1457 arch="sparc"
1458 subarch="sparc64"
b24dbcbd
RP
1459 enable fast_64bit
1460 ;;
cfdb6148
MR
1461 i386|i486|i586|i686|i86pc|BePC)
1462 arch="x86"
1463 subarch="x86_32"
1464 enable fast_unaligned
1465 ;;
1466 x86_64|amd64)
1467 arch="x86"
1468 subarch="x86_32"
1469 enable cmov
1470 enable fast_cmov
1471 enable fast_unaligned
1472 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1473 int test[sizeof(char*) - 7];
1474EOF
b24dbcbd
RP
1475 ;;
1476 *)
1477 arch="unknown"
1478 ;;
1479esac
1480
62045d48 1481enable $arch $subarch
b24dbcbd 1482
7483e694 1483# OS specific
4f854758 1484case $target_os in
7483e694 1485 beos|haiku|zeta)
c9d19248 1486 prefix_default="$HOME/config"
7483e694 1487 # helps building libavcodec
0f010b2f 1488 add_cflags -DPIC -fomit-frame-pointer
7483e694
DB
1489 # 3 gcc releases known for BeOS, each with ugly bugs
1490 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1491 case "$gcc_version" in
1492 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1493 disable mmx
1494 ;;
1495 *20010315*) echo "BeBits gcc"
0f010b2f 1496 add_cflags -fno-expensive-optimizations
7483e694
DB
1497 ;;
1498 esac
7483e694
DB
1499 SHFLAGS=-nostart
1500 # enable BeOS things
1501 enable audio_beos
1502 # no need for libm, but the inet stuff
1503 # Check for BONE
1504 # XXX: actually should check for NOT net_server
78fe7631 1505 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1506 network_extralibs="-lbind -lsocket"
1507 else
1508 enable beos_netserver
1509 network_extralibs="-lnet"
1510 fi ;;
1511 sunos)
1512 FFSERVERLDFLAGS=""
9987769a 1513 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1514 network_extralibs="-lsocket -lnsl"
e193c74e 1515 add_cflags -D__EXTENSIONS__
7483e694
DB
1516 ;;
1517 netbsd)
1518 oss_demuxer_extralibs="-lossaudio"
1519 oss_muxer_extralibs="-lossaudio"
1520 ;;
1521 openbsd)
1522 disable need_memalign
1523 LIBOBJFLAGS='$(PIC)'
7483e694 1524 SHFLAGS='-shared'
7483e694
DB
1525 oss_demuxer_extralibs="-lossaudio"
1526 oss_muxer_extralibs="-lossaudio"
1527 ;;
1528 freebsd)
1529 disable need_memalign
1530 ;;
1531 bsd/os)
1532 osextralibs="-lpoll -lgnugetopt"
1533 strip="strip -d"
1534 ;;
1535 darwin)
1536 disable need_memalign
0138c54e 1537 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1538 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1539 strip="strip -x"
1540 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1541 SLIBSUF=".dylib"
1542 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1543 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1544 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1545 objformat="macho"
1b0f6fb8 1546 enabled x86_64 && objformat="macho64"
7483e694
DB
1547 ;;
1548 mingw32*)
4f854758 1549 target_os=mingw32
dcc01c06 1550 LIBTARGET=i386
1fc9fb8a 1551 if enabled x86_64; then
dcc01c06
RP
1552 disable need_memalign
1553 LIBTARGET=x64
1554 fi
fbd971a4 1555 shlibdir_default="$bindir_default"
7483e694
DB
1556 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1557 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1558 if enabled swscale; then
7483e694
DB
1559 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1560 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1561 fi
1562 disable ffserver
1563 SLIBPREF=""
1564 SLIBSUF=".dll"
7483e694
DB
1565 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1566 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1567 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1568 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1569 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1570 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1571 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1572 objformat="win32"
bc574408 1573 enable dos_paths
b1549d61 1574 if ! enabled x86_64; then
f7ad5aa2
RP
1575 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1576 die "ERROR: MinGW runtime version must be >= 3.15."
1577 enabled_any avisynth vfwcap_demuxer &&
1578 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1579 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1580 fi
7483e694
DB
1581 ;;
1582 cygwin*)
4f854758 1583 target_os=cygwin
fbd971a4 1584 shlibdir_default="$bindir_default"
7483e694
DB
1585 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1586 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1587 if enabled swscale; then
7483e694
DB
1588 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1589 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1590 fi
7483e694
DB
1591 SLIBPREF="cyg"
1592 SLIBSUF=".dll"
1593 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1594 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1595 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1596 objformat="win32"
bc574408 1597 enable dos_paths
7483e694 1598 ;;
4f365f37 1599 *-dos|freedos|opendos)
4f365f37
MK
1600 disable ffplay ffserver vhook
1601 disable $INDEV_LIST $OUTDEV_LIST
1602 network_extralibs="-lsocket"
ff1c015d 1603 objformat="coff"
bc574408 1604 enable dos_paths
4f365f37 1605 ;;
7483e694 1606 linux)
7483e694
DB
1607 enable dv1394
1608 ;;
1609 irix*)
4f854758 1610 target_os=irix
7483e694
DB
1611 ranlib="echo ignoring ranlib"
1612 ;;
d22e8442 1613 os/2*)
d22e8442
DY
1614 strip="lxlite"
1615 ln_s="cp -f"
d22e8442 1616 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1617 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1618 FFSERVERLDFLAGS=""
287d3b13 1619 LIBSUF="_s.a"
d22e8442
DY
1620 SLIBPREF=""
1621 SLIBSUF=".dll"
1622 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1623 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1624 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1625 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1626 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1627 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1628 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1629 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1630 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1631 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1632 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1633 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1634 disable vhook
bc574408 1635 enable dos_paths
d22e8442 1636 ;;
269820f1
PR
1637 interix)
1638 disable vhook
1639 ;;
d22e8442 1640
7483e694 1641 *)
4f924f9a 1642 die "Unknown OS '$target_os'."
7483e694
DB
1643 ;;
1644esac
1645
c9d19248
MR
1646set_default $PATHS_LIST
1647
c597172e 1648add_extralibs $osextralibs
de6d9b64 1649
28d8e661
DB
1650# Combine FFLDFLAGS and the LDFLAGS environment variable.
1651LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1652
320d060a 1653# we need to build at least one lib type
93b3c083 1654if ! enabled_any static shared; then
320d060a
DB
1655 cat <<EOF
1656At least one library type must be built.
1657Specify --enable-static to build the static libraries or --enable-shared to
1658build the shared libraries as well. To only build the shared libraries specify
1659--disable-static in addition to --enable-shared.
1660EOF
1661 exit 1;
1662fi
1663
abc4e572 1664disabled static && LIBNAME=""
2a320695 1665
a2234ceb
RP
1666if enabled_any libfaad libfaadbin ; then
1667 if check_header faad.h; then
295b8c70 1668 check_cc <<EOF
a2234ceb
RP
1669#include <faad.h>
1670#ifndef FAAD2_VERSION
1671ok faad1
1672#endif
db817cf3 1673int main(void) { return 0; }
a2234ceb
RP
1674EOF
1675 test $? = 0 && enable libfaad2
1676 else
ff3dac65 1677 die "FAAD test failed."
a2234ceb
RP
1678 fi
1679fi
1680
1681
93b3c083 1682if ! enabled gpl; then
54118497
RP
1683 die_gpl_disabled(){
1684 name=$1
1685 shift
1686 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1687 }
4a24ab64 1688 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1689 die_gpl_disabled "libx264" libx264
1690 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1691 die_gpl_disabled "FAAD2" libfaad2
1692 die_gpl_disabled "The X11 grabber" x11grab
76022763 1693 die_gpl_disabled "The software scaler" swscale
ebb810d9 1694fi
b2e3c528 1695
3fe142e2
DB
1696if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1697 die "libamr is nonfree and --enable-nonfree is not specified."
1698fi
1699
9eeed841 1700check_deps $ARCH_EXT_LIST
0f3cb305 1701
5d323602
MR
1702test -z "$need_memalign" && need_memalign="$mmx"
1703
cf9d24ad 1704#Darwin CC versions
4f854758 1705if test $target_os = darwin; then
629687f6 1706 if enabled xlc; then
0f010b2f 1707 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1708 else
0f010b2f
DB
1709 add_cflags -pipe
1710 check_cflags -force_cpusubtype_ALL
1711 check_cflags -Wno-sign-compare
f946a9a4 1712 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1713 fi
2a1a6b64
MN
1714fi
1715
40617a6d 1716disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1717
a4adb608 1718# Add processor-specific flags
38d0a8aa 1719if test $cpu != "generic"; then
bc8ec47b
MR
1720 warn_altivec(){
1721 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1722 }
38d0a8aa 1723 case $cpu in
bb270c08 1724 601|ppc601|PowerPC601)
0f010b2f 1725 add_cflags -mcpu=601
bc8ec47b 1726 warn_altivec enabled PPC601
bb270c08
DB
1727 ;;
1728 603*|ppc603*|PowerPC603*)
0f010b2f 1729 add_cflags -mcpu=603
bc8ec47b 1730 warn_altivec enabled PPC603
bb270c08
DB
1731 ;;
1732 604*|ppc604*|PowerPC604*)
0f010b2f 1733 add_cflags -mcpu=604
bc8ec47b 1734 warn_altivec enabled PPC604
bb270c08
DB
1735 ;;
1736 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1737 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1738 warn_altivec enabled PPC75x
bb270c08
DB
1739 ;;
1740 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1741 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1742 warn_altivec disabled PPC745x
bb270c08
DB
1743 ;;
1744 74*|ppc74*|PowerPC74*)
0f010b2f 1745 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1746 warn_altivec disabled PPC74xx
bb270c08
DB
1747 ;;
1748 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1749 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1750 warn_altivec disabled PPC970
9cafbd6c 1751 enable ppc64
bb270c08 1752 ;;
e07e357d 1753 Cell|CELL|cell)
0f010b2f 1754 add_cflags -mcpu=cell
e07e357d 1755 warn_altivec disabled Cell
9cafbd6c 1756 enable ppc64
e07e357d 1757 ;;
e7768fc5
GP
1758 # targets that do NOT support conditional mov (cmov)
1759 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1760 add_cflags -march=$cpu
497237c7 1761 disable cmov
e7768fc5
GP
1762 ;;
1763 # targets that do support conditional mov (cmov)
416519dd 1764 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1765 add_cflags -march=$cpu
497237c7
RP
1766 enable cmov
1767 enable fast_cmov
94e4c3a3
GP
1768 ;;
1769 # targets that do support conditional mov but on which it's slow
800a5a19 1770 pentium4|pentium4m|prescott|nocona)
0f010b2f 1771 add_cflags -march=$cpu
497237c7
RP
1772 enable cmov
1773 disable fast_cmov
bb270c08 1774 ;;
d7b34d08 1775 sparc64)
0f010b2f 1776 add_cflags -mcpu=v9
d7b34d08 1777 ;;
f2e49553 1778 arm11*|cortex*)
0f010b2f 1779 add_cflags -mcpu=$cpu
f2e49553
MR
1780 enable fast_unaligned
1781 ;;
0223bd6f 1782 armv*)
0f010b2f 1783 add_cflags -march=$cpu
0223bd6f 1784 ;;
f2e49553 1785 arm*)
0f010b2f 1786 add_cflags -mcpu=$cpu
6b19786b 1787 ;;
1cd11856 1788 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
df442a8d 1789 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1cd11856 1790 ;;
bb270c08 1791 *)
7483e694 1792 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1793 ;;
a4adb608
MN
1794 esac
1795fi
1796
b4d96ba2
MR
1797check_cc <<EOF || die "Symbol mangling check failed."
1798int ff_extern;
1799EOF
2f05d9c1 1800sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1801extern_prefix=${sym%%ff_extern*}
1802
61d251db
MR
1803check_asm inline_asm '""'
1804
9eeed841 1805if enabled x86; then
44965991
PI
1806 # check whether EBP is available on x86
1807 # As 'i' is stored on the stack, this program will crash
1808 # if the base pointer is used to access it because the
1809 # base pointer is cleared in the inline assembly code.
7dfef245 1810 check_exec_crash <<EOF && enable ebp_available
44965991 1811 volatile int i=0;
be449fca 1812 __asm__ volatile (
44965991
PI
1813 "xorl %%ebp, %%ebp"
1814 ::: "%ebp");
1815 return i;
44965991
PI
1816EOF
1817
1818 # check wether EBX is available on x86
940f335a 1819 check_asm ebx_available '"":::"%ebx"'
8e380710 1820
d3a4b4e0
DB
1821 # check whether more than 10 operands are supported
1822 check_cc <<EOF && enable ten_operands
1823int main(void) {
1824 int x=0;
1825 __asm__ volatile(
1826 ""
1827 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1828 );
1829 return 0;
1830}
1831EOF
1832
d7f0920b 1833 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1834 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1835 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1836
1837 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1838
d52481b9 1839 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1840 enabled x86_64 && append YASMFLAGS "-m amd64"
1841 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1842 case "$objformat" in
1843 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1844 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1845 *) append YASMFLAGS "-DPREFIX" ;;
1846 esac
7595a5e4 1847 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1848fi
1849
87ea51e0
LB
1850# check for assembler specific support
1851
5b6c2cbd 1852enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1853enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1854
57bd82d4
MR
1855# check for SIMD availability
1856
115329f1 1857# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1858if enabled altivec; then
3ed1a2ee
DB
1859 check_cflags -maltivec -mabi=altivec &&
1860 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1861 check_cflags -faltivec
b6e52719 1862
0182fee8 1863 # check if our compiler supports Motorola AltiVec C API
497237c7 1864 check_cc <<EOF || disable altivec
dcd479c0 1865$inc_altivec_h
a9a07762
MN
1866int main(void) {
1867 vector signed int v1, v2, v3;
1868 v1 = vec_add(v2,v3);
1869 return 0;
1870}
1871EOF
b006b26c
DB
1872
1873 # check if our compiler supports braces for vector declarations
80a61f08 1874 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1875$inc_altivec_h
80a61f08 1876int main (void) { (vector int) {1}; return 0; }
b006b26c 1877EOF
a9a07762 1878fi
ab6c65f6 1879
b4e806b2 1880# We have to check if pld is a nop and disable it.
a2fc0f6a 1881enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1882enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1883enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1884enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1885enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1886enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1887enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1888enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1889enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1890
0f010b2f 1891enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1892
57bd82d4
MR
1893# ---
1894# big/little-endian test
9eebe687
MR
1895check_cc <<EOF || die "endian test failed"
1896unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1897EOF
d04d9e16 1898od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1899
a3999908 1900# ---
3d204385
NK
1901# check availability of some header files
1902
a98bb16d
RP
1903if check_func dlopen; then
1904 ldl=
1905elif check_func dlopen -ldl; then
1906 ldl=-ldl
8bf5d58f
MN
1907fi
1908
75ecf149
DB
1909# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1910check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1911
7483e694
DB
1912check_func fork
1913check_func gethrtime
1914check_func getrusage
094c09bb 1915check_func inet_aton $network_extralibs
7483e694
DB
1916check_func memalign
1917check_func mkstemp
1f91cdce 1918check_func posix_memalign
b507ebd1 1919check_func_headers io.h setmode
2446d3d6 1920check_func_headers windows.h GetProcessTimes
6ffa87d3 1921
e16e49ac 1922check_header conio.h
a98bb16d
RP
1923check_header dlfcn.h
1924check_header malloc.h
bf6ce82d 1925check_header poll.h
b58412f1 1926check_header sys/mman.h
b091aa44 1927check_header sys/resource.h
bf6ce82d 1928check_header sys/select.h
a98bb16d 1929check_header termios.h
272081b0
CEH
1930check_header vdpau/vdpau.h
1931check_header vdpau/vdpau_x11.h
68178ca9 1932check_header X11/extensions/XvMClib.h
a98bb16d 1933
1f91cdce
RP
1934if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1935 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1936fi
e16e49ac 1937
a4fa192c 1938disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1939disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1940
1941# check for some common methods of building with pthread support
1942# do this before the optional library checks as some of them require pthreads
1943if enabled pthreads; then
9e7fd101
MR
1944 if check_func pthread_create; then
1945 :
1946 elif check_func pthread_create -pthread; then
1947 add_cflags -pthread
afc9aee2 1948 add_extralibs -pthread
9e7fd101
MR
1949 elif check_func pthread_create -pthreads; then
1950 add_cflags -pthreads
afc9aee2 1951 add_extralibs -pthreads
8d94f606
GT
1952 elif check_func pthread_create -lpthreadGC2; then
1953 add_extralibs -lpthreadGC2
9e7fd101
MR
1954 elif ! check_lib pthread.h pthread_create -lpthread; then
1955 die "ERROR: can't find pthreads library"
1956 fi
57bd82d4
MR
1957fi
1958
8eee7025 1959for thread in $THREADS_LIST; do
e5f94c2b 1960 if enabled $thread; then
3ae3b721
RP
1961 test -n "$thread_type" &&
1962 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1963 thread_type="$thread"
e5f94c2b
RP
1964 fi
1965done
1966
fdf88598
MR
1967check_lib math.h sin -lm
1968
a33cab3a 1969# test for C99 functions in math.h
7b04b8a0 1970for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 1971 check_exec <<EOF && enable $func || disable $func
f32adb22 1972#include <math.h>
a33cab3a 1973int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1974EOF
a33cab3a 1975done
f32adb22 1976
57bd82d4 1977# these are off by default, so fail if requested and not available
79fda097 1978enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1979enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1980enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 1981enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
1982 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1983 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1984enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1985enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 1986enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 1987enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 1988enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
3d6fac8c 1989enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
1990enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1991 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 1992enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
1993enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1994enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 1995enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
1996 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1997 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 1998enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 1999enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2000
0b4a1821
AS
2001# libdc1394 check
2002if enabled libdc1394; then
2003 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2004 enable libdc1394_2; } ||
2005 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2006 enable libdc1394_1; } ||
2007 die "ERROR: No version of libdc1394 found "
2008fi
2009
2010
c13e1abd
FH
2011_restrict=
2012for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 2013 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
2014void foo(char * $restrict_keyword p);
2015EOF
c13e1abd
FH
2016done
2017
703afd07 2018test "$vhook" = "default" && vhook="$dlopen"
a8721c09 2019
4f854758 2020if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 2021 disable vhook
fbb9d104 2022 echo
b0268cc0 2023 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
2024 echo "Patches welcome."
2025 echo
2026fi
2027
8d923001
MR
2028if enabled vhook; then
2029 check_ldflags -rdynamic
2030 check_ldflags -export-dynamic
2031fi
bfd2edeb 2032
eea50282
MR
2033check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
2034check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 2035
a86b921c 2036##########################################
29799f8b 2037# SDL check
a86b921c 2038
497237c7
RP
2039disable sdl_too_old
2040disable sdl
6a1a892f 2041SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2042if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
2043 sdl_cflags=`"${SDL_CONFIG}" --cflags`
2044 temp_cflags $sdl_cflags
dcd479c0 2045 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 2046 if check_lib2 SDL.h SDL_Init; then
dcd479c0 2047 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 2048 if test "$_sdlversion" -lt 121 ; then
497237c7 2049 enable sdl_too_old
dcd479c0 2050 else
497237c7 2051 enable sdl
225e21ef 2052 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2053#include <SDL.h>
d6773f56 2054int main(int argc, char **argv){
29f3b38a
MR
2055 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2056 int w = vi->current_w;
2057 return 0;
2058}
2059EOF
dcd479c0
MR
2060 fi
2061 fi
29f3b38a 2062 restore_flags
c3f6b472 2063fi
57bd82d4 2064
2270b4b2 2065texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2066
7a91333f 2067##########################################
73b46a95
RP
2068# Network check
2069
2070if enabled network; then
96000432 2071 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2072 # Prefer arpa/inet.h over winsock2
2073 if check_header arpa/inet.h ; then
2074 check_func closesocket
2075 elif check_header winsock2.h ; then
ea10ddde 2076 network_extralibs="-lws2_32"
72be9e73 2077 check_type ws2tcpip.h socklen_t
2446d3d6 2078 check_func_headers winsock2.h closesocket
73b46a95
RP
2079 fi
2080fi
2081
2082##########################################
29799f8b 2083# IPv6 check
7a91333f 2084
497237c7 2085enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2086#include <sys/types.h>
2087#include <sys/socket.h>
2088#include <netinet/in.h>
2089#include <netdb.h>
db817cf3 2090int main(void) {
7483e694
DB
2091 struct sockaddr_storage saddr;
2092 struct ipv6_mreq mreq6;
2093 getaddrinfo(0,0,0,0);
2094 getnameinfo(0,0,0,0,0,0,0);
2095 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2096}
2097EOF
2098
06e31011
RP
2099check_header linux/videodev.h
2100check_header linux/videodev2.h
1b6e8b73 2101check_header sys/videoio.h
47f38850 2102
2446d3d6 2103check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2104
f8aa696f 2105# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2106{ check_header dev/bktr/ioctl_meteor.h &&
2107 check_header dev/bktr/ioctl_bt848.h; } ||
2108{ check_header machine/ioctl_meteor.h &&
2109 check_header machine/ioctl_bt848.h; } ||
2110{ check_header dev/video/meteor/ioctl_meteor.h &&
2111 check_header dev/video/bktr/ioctl_bt848.h; } ||
2112check_header dev/ic/bt8xx.h
f8aa696f 2113
c7682de0
RP
2114check_header sys/soundcard.h
2115check_header soundcard.h
deb29777 2116
35fd8122
NG
2117check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2118
7483e694 2119# deal with the X11 frame grabber
56a059ac 2120enabled x11grab &&
f58f4ce1
GP
2121check_header X11/Xlib.h &&
2122check_header X11/extensions/XShm.h &&
2123check_func XOpenDisplay -lX11 &&
06eab4ba 2124check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2125
40bcf4c7 2126enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2127
2128# add some useful compiler flags if supported
2129check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2130check_cflags -Wall
2131check_cflags -Wno-switch
c07bd6a9
MN
2132check_cflags -Wdisabled-optimization
2133check_cflags -Wpointer-arith
2134check_cflags -Wredundant-decls
cc1fb623 2135check_cflags -Wno-pointer-sign
f4929996 2136check_cflags -Wcast-qual
9aceb3cf 2137check_cflags -Wwrite-strings
652a5bf6 2138check_cflags -Wtype-limits
764551c6 2139check_cflags -Wundef
5af4e0cc 2140enabled extra_warnings && check_cflags -Winline
cf9d24ad 2141
57bd82d4 2142# add some linker flags
5c0e9479 2143check_ldflags -Wl,--warn-common
8351d2ba
DB
2144check_ldflags -Wl,--as-needed
2145check_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 2146check_ldflags -Wl,-Bsymbolic
94a3401e 2147
bd2216e4
MR
2148if enabled small; then
2149 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2150 optimizations="small"
2151elif enabled optimizations; then
629687f6 2152 if enabled xlc; then
0f010b2f
DB
2153 add_cflags -O5
2154 add_ldflags -O5
df442a8d
MR
2155 elif enabled ccc; then
2156 add_cflags -fast
cf9d24ad 2157 else
0f010b2f 2158 add_cflags -O3
cf9d24ad 2159 fi
cddf3f45 2160fi
11fdbc44 2161check_cflags -fno-math-errno
b2eb2ff0 2162check_cflags -fno-signed-zeros
cddf3f45 2163
504a64b9 2164# add some flags for Intel C Compiler
629687f6 2165if enabled icc; then
b1598b58
MR
2166 # Just warnings, no remarks
2167 check_cflags -w1
2168 # -wd: Disable following warnings
2169 # 144, 167, 556: -Wno-pointer-sign
2170 # 10006: ignoring unknown option -fno-signed-zeros
2171 # 10156: ignoring option '-W'; no argument required
2172 check_cflags -wd144,167,556,10006,10156
2173 # 11030: Warning unknown option --as-needed
2174 # 10156: ignoring option '-export'; no argument required
2175 check_ldflags -wd10156,11030
2176 # Allow to compile with optimizations
2177 check_ldflags -march=$cpu
df442a8d
MR
2178elif enabled ccc; then
2179 # disable some annoying warnings
2180 add_cflags -msg_disable cvtu32to64
2181 add_cflags -msg_disable embedcomment
2182 add_cflags -msg_disable needconstext
2183 add_cflags -msg_disable nomainieee
2184 add_cflags -msg_disable ptrmismatch1
2185 add_cflags -msg_disable unreachcode
504a64b9
CEH
2186fi
2187
80581e98 2188# PIC flags for shared library objects where they are needed
5af4e0cc 2189if enabled shared; then
569cb218
MR
2190 # LIBOBJFLAGS may have already been set in the OS configuration
2191 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2192 case "${subarch-$arch}" in
b6bd7268 2193 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2194 esac
2195 fi
80581e98
MN
2196fi
2197
90be59ef 2198if enabled gprof; then
0f010b2f
DB
2199 add_cflags -p
2200 add_ldflags -p
1db54e20
DB
2201fi
2202
3b26ee47 2203VHOOKCFLAGS="-fPIC"
18451f7d 2204
7f3c02fc 2205# Find out if the .align argument is a power of two or not.
9377b6ce 2206check_asm asmalign_pot '".align 3"'
4454dc1b 2207
7483e694
DB
2208enabled_any $DECODER_LIST && enable decoders
2209enabled_any $ENCODER_LIST && enable encoders
2210enabled_any $BSF_LIST && enable bsfs
2211enabled_any $DEMUXER_LIST && enable demuxers
2212enabled_any $MUXER_LIST && enable muxers
f7679c54 2213enabled_any $FILTER_LIST && enable filters
7483e694
DB
2214enabled_any $INDEV_LIST && enable demuxers
2215enabled_any $OUTDEV_LIST && enable muxers
2216enabled_any $PROTOCOL_LIST && enable protocols
2217
2218enabled_any $THREADS_LIST && enable threads
2219
2220check_deps $CONFIG_LIST \
b6bb00b0 2221 $CONFIG_EXTRA \
7483e694
DB
2222 $HAVE_LIST \
2223 $DECODER_LIST \
2224 $ENCODER_LIST \
2225 $PARSER_LIST \
2226 $BSF_LIST \
2227 $DEMUXER_LIST \
2228 $MUXER_LIST \
f7679c54 2229 $FILTER_LIST \
7483e694
DB
2230 $INDEV_LIST \
2231 $OUTDEV_LIST \
2232 $PROTOCOL_LIST \
f70f03f6 2233
3e89171a 2234echo "install prefix $prefix"
f36958f8
DB
2235echo "source path $source_path"
2236echo "C compiler $cc"
bfd5afd8 2237echo ".align is power-of-two $asmalign_pot"
f36958f8 2238echo "ARCH $arch ($cpu)"
ce8871c2
MR
2239if test "$build_suffix" != ""; then
2240 echo "build suffix $build_suffix"
eb94aca9 2241fi
ac63af34
DB
2242if test "$extra_version" != ""; then
2243 echo "version string suffix $extra_version"
2244fi
0db2ce77 2245echo "big-endian ${bigendian-no}"
5b6c2cbd 2246if enabled x86; then
af44e8e4 2247 echo "yasm ${yasm-no}"
0db2ce77 2248 echo "MMX enabled ${mmx-no}"
30e98e62 2249 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2250 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2251 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2252 echo "SSE enabled ${sse-no}"
30e98e62 2253 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2254 echo "CMOV enabled ${cmov-no}"
2255 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2256 echo "EBX available ${ebx_available-no}"
2257 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2258 echo "10 operands supported ${ten_operands-no}"
e41e8342 2259fi
5b6c2cbd 2260if enabled arm; then
0db2ce77
MR
2261 echo "ARMv5TE enabled ${armv5te-no}"
2262 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2263 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2264 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2265 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2266 echo "NEON enabled ${neon-no}"
eba9ae3c 2267fi
5b6c2cbd 2268if enabled mips; then
0db2ce77 2269 echo "MMI enabled ${mmi-no}"
e41e8342 2270fi
5b6c2cbd 2271if enabled ppc; then
0db2ce77 2272 echo "AltiVec enabled ${altivec-no}"
30e98e62 2273 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2274 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2275 echo "performance report ${powerpc_perf-no}"
2276fi
2277if enabled sparc; then
2278 echo "VIS enabled ${vis-no}"
e41e8342 2279fi
0db2ce77
MR
2280echo "gprof enabled ${gprof-no}"
2281echo "debug symbols ${debug-no}"
87a0fb62 2282echo "strip symbols ${stripping-no}"
8400d6b8 2283echo "optimizations ${optimizations-no}"
0db2ce77
MR
2284echo "static ${static-no}"
2285echo "shared ${shared-no}"
4a24ab64 2286echo "postprocessing support ${postproc-no}"
13ca50f3 2287echo "software scaler enabled ${swscale-no}"
f7679c54 2288echo "new filter support ${avfilter-no}"
81124ba0 2289echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2290echo "video hooking ${vhook-no}"
90be59ef 2291if enabled vhook; then
0db2ce77
MR
2292 echo "Imlib2 support ${imlib2-no}"
2293 echo "FreeType support ${freetype2-no}"
68892110 2294fi
0db2ce77 2295echo "network support ${network-no}"
90be59ef 2296if enabled network; then
0db2ce77 2297 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2298fi
0db2ce77
MR
2299echo "threading support ${thread_type-no}"
2300echo "SDL support ${sdl-no}"
90be59ef 2301if enabled sdl_too_old; then
bfd5afd8
DB
2302 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2303fi
0db2ce77
MR
2304echo "Sun medialib support ${mlib-no}"
2305echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2306echo "libamr-nb support ${libamr_nb-no}"
2307echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2308echo "libdc1394 support ${libdc1394-no}"
690bfceb 2309echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2310echo "libfaac enabled ${libfaac-no}"
2311echo "libfaad enabled ${libfaad-no}"
7e0871a7 2312echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2313echo "libgsm enabled ${libgsm-no}"
2314echo "libmp3lame enabled ${libmp3lame-no}"
2315echo "libnut enabled ${libnut-no}"
9a77d59a 2316echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2317echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2318echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2319echo "libtheora enabled ${libtheora-no}"
2320echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2321echo "libx264 enabled ${libx264-no}"
2322echo "libxvid enabled ${libxvid-no}"
272081b0 2323echo "vdpau enabled ${vdpau-no}"
0db2ce77 2324echo "zlib enabled ${zlib-no}"
f402916e 2325echo "bzlib enabled ${bzlib-no}"
2c62e737 2326echo
de6d9b64 2327
f7679c54 2328for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2329 echo "Enabled ${type}s:"
f65c9da1 2330 eval list=\$$(toupper $type)_LIST
8138b9db 2331 for part in $list; do
f65c9da1
MR
2332 enabled $part && echo ${part%_*}
2333 done | sort | pr -3 -t
2334 echo
8138b9db
RP
2335done
2336
ba321adb
JK
2337license="LGPL"
2338if enabled nonfree; then
2339 license="unredistributable"
2340elif enabled gpl; then
2341 license="GPL"
2342fi
2343
2344echo "License: $license"
ca5323af 2345
cf1392e9
DB
2346echo "Creating config.mak and config.h..."
2347
29799f8b
DB
2348echo "# Automatically generated by configure - do not modify!" > config.mak
2349echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2350echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2351echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2352echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2353echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2354
d921f03f 2355echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2356echo "prefix=$prefix" >> config.mak
22a324da
DB
2357echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2358echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2359echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2360echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2361echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2362echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2363echo "CC=$cc" >> config.mak
304d586d 2364echo "YASM=$yasmexe" >> config.mak
980fc7b8 2365echo "AR=$ar" >> config.mak
be7109c1 2366echo "RANLIB=$ranlib" >> config.mak
20369773 2367echo "LN_S=$ln_s" >> config.mak
87a0fb62 2368enabled stripping &&
3ae3b721 2369 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2370 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2371
a9b3f630 2372echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2373echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2374echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2375echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2376echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2377echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2378echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2379echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2380echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2381echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2382echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2383echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2384echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2385echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2386echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2387echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2388echo "SLIBSUF=$SLIBSUF" >> config.mak
2389echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2390echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2391echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2392echo "HOSTCC=$host_cc" >> config.mak
2393echo "HOSTCFLAGS=$host_cflags" >> config.mak
2394echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2395echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2396echo "TARGET_EXEC=$target_exec" >> config.mak
2397echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2398
90be59ef 2399if enabled bigendian; then
7483e694
DB
2400 echo "WORDS_BIGENDIAN=yes" >> config.mak
2401 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2402fi
44161118 2403
90be59ef 2404if enabled sdl; then
7483e694
DB
2405 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2406 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2407fi
90be59ef 2408if enabled texi2html; then
7483e694 2409 echo "BUILD_DOC=yes" >> config.mak
146ea952 2410fi
5a872801 2411
719c8e00
MR
2412get_version(){
2413 name=$1
2414 file=$source_path/$2
147e7692
MR
2415 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2416 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2417 lcname=$(tolower $name)
2418 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2419 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2420}
2421
147e7692
MR
2422get_version LIBSWSCALE libswscale/swscale.h
2423get_version LIBPOSTPROC libpostproc/postprocess.h
2424get_version LIBAVCODEC libavcodec/avcodec.h
2425get_version LIBAVDEVICE libavdevice/avdevice.h
2426get_version LIBAVFORMAT libavformat/avformat.h
2427get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2428get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2429
5af4e0cc 2430if enabled shared; then
7483e694
DB
2431 echo "BUILD_SHARED=yes" >> config.mak
2432 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2433 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2434 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2435 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2436 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2437 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2438 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2439 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2440 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2441fi
d7e27559 2442echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2443echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2444
7b5e8a27
DB
2445echo "ARCH=$arch" >> config.mak
2446
3d907e22
MR
2447print_config ARCH_ $TMPH config.mak $ARCH_LIST
2448print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2449print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2450 $CONFIG_EXTRA \
7483e694
DB
2451 $DECODER_LIST \
2452 $ENCODER_LIST \
2453 $PARSER_LIST \
2454 $BSF_LIST \
2455 $DEMUXER_LIST \
2456 $MUXER_LIST \
f7679c54 2457 $FILTER_LIST \
7483e694
DB
2458 $PROTOCOL_LIST \
2459 $INDEV_LIST \
2460 $OUTDEV_LIST \
8ac17293 2461
c13e1abd
FH
2462echo "#define restrict $_restrict" >> $TMPH
2463
bd2216e4 2464if enabled small; then
7483e694 2465 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2466fi
2467
997baf01
MR
2468echo "SRC_PATH=\"$source_path\"" >> config.mak
2469echo "SRC_PATH_BARE=$source_path" >> config.mak
2470echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2471
8156056e 2472# Apparently it's not possible to portably echo a backslash.
3ae3b721 2473enabled asmalign_pot &&
7483e694 2474 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2475 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2476
b4d96ba2 2477echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2478
9c05103f
DB
2479echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2480
b7860763 2481# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2482cmp -s $TMPH config.h &&
2483 echo "config.h is unchanged" ||
2484 mv -f $TMPH config.h
3d204385 2485
cea0ac52 2486rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2487
165af439 2488# build tree in object directory if source path is different from current one
90be59ef 2489if enabled source_path_used; then
165af439 2490 DIRS="\
7483e694
DB
2491 doc \
2492 libavcodec \
2493 libavcodec/alpha \
a2fc0f6a 2494 libavcodec/arm \
7483e694 2495 libavcodec/bfin \
7483e694
DB
2496 libavcodec/mlib \
2497 libavcodec/ppc \
2498 libavcodec/sh4 \
2499 libavcodec/sparc \
a6493a8f 2500 libavcodec/x86 \
52a9cf34 2501 libavdevice \
f7679c54 2502 libavfilter \
7483e694
DB
2503 libavformat \
2504 libavutil \
2505 libpostproc \
2506 libswscale \
2507 tests \
2508 tools \
2509 vhook \
2510 "
165af439 2511 FILES="\
7483e694
DB
2512 Makefile \
2513 common.mak \
71c61f62 2514 subdir.mak \
7483e694
DB
2515 doc/texi2pod.pl \
2516 libavcodec/Makefile \
52a9cf34 2517 libavdevice/Makefile \
f7679c54 2518 libavfilter/Makefile \
7483e694
DB
2519 libavformat/Makefile \
2520 libavutil/Makefile \
2521 libpostproc/Makefile \
2522 libswscale/Makefile \
2523 "
165af439 2524 for dir in $DIRS ; do
7483e694 2525 mkdir -p $dir
165af439
MR
2526 done
2527 for f in $FILES ; do
20369773 2528 $ln_s "$source_path/$f" $f
165af439
MR
2529 done
2530fi
def4272a 2531
def4272a 2532
d0674868 2533# build pkg-config files
def4272a 2534
d0674868
DB
2535pkgconfig_generate(){
2536name=$1
b0dfd108 2537shortname=${name#lib}${build_suffix}
d0674868
DB
2538comment=$2
2539version=$3
2540libs=$4
2541requires=$5
25cd5cb3 2542cat <<EOF > $name/$name.pc
3e89171a 2543prefix=$prefix
a94e666c 2544exec_prefix=\${prefix}
f2b7382c 2545libdir=$libdir
7622778e 2546includedir=$incdir
def4272a 2547
d0674868
DB
2548Name: $name
2549Description: $comment
2550Version: $version
5dcfe9f8
AH
2551Requires: $(disabled shared && echo $requires)
2552Requires.private: $(enabled shared && echo $requires)
def4272a 2553Conflicts:
12701f6e
AH
2554Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2555Libs.private: $(enabled shared && echo $libs)
76a448ed 2556Cflags: -I\${includedir}
def4272a 2557EOF
25cd5cb3 2558cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2559prefix=
2560exec_prefix=
46d1ff83 2561libdir=\${pcfiledir}
1d44d365 2562includedir=${source_path}
def4272a 2563
d0674868
DB
2564Name: $name
2565Description: $comment
2566Version: $version
2567Requires: $requires
def4272a 2568Conflicts:
12701f6e 2569Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2570Cflags: -I\${includedir}
2571EOF
d0674868 2572}
def4272a 2573
e426941d 2574pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2575pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2576pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2577pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2578enabled avfilter &&
46983309 2579 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2580enabled postproc &&
e426941d 2581 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2582if enabled swscale; then
e426941d 2583 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2584else
46983309 2585 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2586 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2587fi