configure: move detection of compiler type to single location
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
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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(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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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."
505dfb09
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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
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d
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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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DB
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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DB
72 echo
73 echo "Configuration options:"
e6b9d588
DB
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]"
0a23c0bb 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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DB
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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DB
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 [$cross_prefix]"
db6107b6 176 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 177 echo " --target-os=OS compiler targets OS [$target_os]"
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178 echo " --target-exec=CMD command to run executables on target"
179 echo " --target-path=DIR path to view of build directory on target"
89641463 180 echo " --nm=NM use nm tool"
15396d5c 181 echo " --cc=CC use C compiler CC [$cc_default]"
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182 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
183 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
184 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
185 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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186 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
187 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
188 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 189 echo " --extra-version=STRING version string suffix []"
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DB
190 echo " --build-suffix=SUFFIX library name suffix []"
191 echo " --arch=ARCH select architecture [$arch]"
192 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 193 echo " instruction selection, may crash on older CPUs)"
2b4c3615 194 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 195 echo " (requires enabling PMC)"
4f50c3d5 196 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 197 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 198 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
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DB
199 echo " --disable-mmx disable MMX optimizations"
200 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 201 echo " --disable-sse disable SSE optimizations"
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DB
202 echo " --disable-ssse3 disable SSSE3 optimizations"
203 echo " --disable-armv5te disable armv5te optimizations"
204 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 205 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 206 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 207 echo " --disable-iwmmxt disable iwmmxt optimizations"
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DB
208 echo " --disable-mmi disable MMI optimizations"
209 echo " --disable-neon disable neon optimizations"
210 echo " --disable-vis disable VIS optimizations"
7595a5e4 211 echo " --disable-yasm disable use of yasm assembler"
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212 echo
213 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 214 echo " --disable-debug disable debugging symbols"
b7d49373 215 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 216 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 217 echo " --disable-optimizations disable compiler optimizations"
0a622b98 218 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 219 echo " --disable-stripping disable stripping of executables and shared libraries"
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220 echo ""
221 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 222 exit 0
74c53c2d 223}
cf9d24ad 224
57bd82d4 225log(){
2270b4b2 226 echo "$@" >> $logfile
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227}
228
720c69da 229log_file(){
c8e9f801 230 log BEGIN $1
2270b4b2 231 pr -n -t $1 >> $logfile
c8e9f801
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232 log END $1
233}
234
2ba042a7 235echolog(){
c8e9f801 236 log "$@"
57bd82d4 237 echo "$@"
2ba042a7
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238}
239
240die(){
241 echolog "$@"
242 cat <<EOF
243If you think configure made a mistake, make sure you are using the latest
244version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 245ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 246EOF
e155a21a 247 if disabled logging; then
2ba042a7 248 cat <<EOF
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249Rerun configure with logging enabled (do not use --disable-logging), and
250include the log this produces with your report.
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251EOF
252 else
253cat <<EOF
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254Include the log file "$logfile" produced by configure as this will help
255solving the problem.
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256EOF
257 fi
cea0ac52 258 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
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259 exit 1
260}
261
6c6007d6 262# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 263toupper(){
6c6007d6 264 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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MR
265}
266
4a5444db 267tolower(){
6c6007d6 268 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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269}
270
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271c_escape(){
272 echo "$*" | sed 's/["\\]/\\\0/g'
273}
274
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275set_all(){
276 value=$1
277 shift
278 for var in $*; do
279 eval $var=$value
280 done
281}
282
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283set_weak(){
284 value=$1
285 shift
286 for var; do
287 eval : \${$var:=$value}
288 done
289}
290
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MR
291pushvar(){
292 for var in $*; do
293 eval level=\${${var}_level:=0}
294 eval ${var}_${level}="\$$var"
295 eval ${var}_level=$(($level+1))
296 done
297}
298
299popvar(){
300 for var in $*; do
301 eval level=\${${var}_level:-0}
302 test $level = 0 && continue
303 eval level=$(($level-1))
304 eval $var="\${${var}_${level}}"
305 eval ${var}_level=$level
306 eval unset ${var}_${level}
307 done
308}
309
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310enable(){
311 set_all yes $*
312}
313
314disable(){
315 set_all no $*
316}
317
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318enable_weak(){
319 set_weak yes $*
320}
321
322disable_weak(){
323 set_weak no $*
324}
325
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MR
326do_enable_deep(){
327 for var; do
328 enabled $var && continue
329 eval sel="\$${var}_select"
c510c7b5
MR
330 eval sgs="\$${var}_suggest"
331 pushvar var sgs
f9d328da 332 enable_deep $sel
c510c7b5
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333 popvar sgs
334 enable_deep_weak $sgs
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MR
335 popvar var
336 done
337}
338
339enable_deep(){
340 do_enable_deep $*
341 enable $*
342}
343
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MR
344enable_deep_weak(){
345 do_enable_deep $*
346 enable_weak $*
347}
348
57bd82d4 349enabled(){
3250003c
MR
350 test "${1#!}" = "$1" && op== || op=!=
351 eval test "x\$${1#!}" $op "xyes"
44161118
MR
352}
353
37970ebf 354disabled(){
3250003c
MR
355 test "${1#!}" = "$1" && op== || op=!=
356 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
357}
358
44161118
MR
359enabled_all(){
360 for opt; do
361 enabled $opt || return 1
362 done
363}
364
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DB
365disabled_all(){
366 for opt; do
367 disabled $opt || return 1
368 done
369}
370
44161118
MR
371enabled_any(){
372 for opt; do
373 enabled $opt && return 0
374 done
375}
376
85bca2c5
DB
377disabled_any(){
378 for opt; do
379 disabled $opt && return 0
380 done
f7b230a7 381 return 1
85bca2c5
DB
382}
383
c9d19248
MR
384set_default(){
385 for opt; do
88268e94 386 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
387 done
388}
389
4a0d6686
AJ
390is_in(){
391 value=$1
392 shift
393 for var in $*; do
394 [ $var = $value ] && return 0
395 done
396 return 1
397}
398
30fd06be
MR
399check_deps(){
400 for cfg; do
3250003c 401 cfg="${cfg#!}"
799c9e9b
MR
402 enabled ${cfg}_checking && die "Circular dependency for $cfg."
403 disabled ${cfg}_checking && continue
404 enable ${cfg}_checking
405
30fd06be
MR
406 eval dep_all="\$${cfg}_deps"
407 eval dep_any="\$${cfg}_deps_any"
7ef3425f 408 eval dep_sel="\$${cfg}_select"
c510c7b5 409 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 410
c510c7b5
MR
411 pushvar cfg dep_all dep_any dep_sel dep_sgs
412 check_deps $dep_all $dep_any $dep_sel $dep_sgs
413 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 414
6a702d4c
MR
415 enabled_all $dep_all || disable $cfg
416 enabled_any $dep_any || disable $cfg
7ef3425f 417 disabled_any $dep_sel && disable $cfg
799c9e9b 418
4ec45764
RP
419 if enabled $cfg; then
420 eval dep_extralibs="\$${cfg}_extralibs"
421 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 422 enable_deep $dep_sel
c510c7b5 423 enable_deep_weak $dep_sgs
4ec45764
RP
424 fi
425
799c9e9b 426 disable ${cfg}_checking
30fd06be
MR
427 done
428}
429
44161118
MR
430print_config(){
431 pfx=$1
432 header=$2
433 makefile=$3
434 shift 3
435 for cfg; do
3d907e22 436 ucname="`toupper $cfg`"
44161118 437 if enabled $cfg; then
3d907e22 438 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
439 echo "${pfx}${ucname}=yes" >> $makefile
440 else
b250f9c6 441 echo "#define ${pfx}${ucname} 0" >> $header
44161118
MR
442 fi
443 done
57bd82d4
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444}
445
446flags_saved(){
2270b4b2 447 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
448}
449
dcd479c0 450save_flags(){
57bd82d4 451 flags_saved && return
dcd479c0
MR
452 SAVE_CFLAGS="$CFLAGS"
453 SAVE_LDFLAGS="$LDFLAGS"
454 SAVE_extralibs="$extralibs"
455}
456
457restore_flags(){
f5d28d10 458 flags_saved || return
dcd479c0
MR
459 CFLAGS="$SAVE_CFLAGS"
460 LDFLAGS="$SAVE_LDFLAGS"
461 extralibs="$SAVE_extralibs"
462 unset SAVE_CFLAGS
463 unset SAVE_LDFLAGS
464 unset SAVE_extralibs
465}
466
467temp_cflags(){
468 save_flags
469 CFLAGS="$CFLAGS $*"
470}
471
472temp_ldflags(){
473 save_flags
474 LDFLAGS="$LDFLAGS $*"
475}
476
477temp_extralibs(){
478 save_flags
479 extralibs="$extralibs $*"
480}
481
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MR
482append(){
483 var=$1
484 shift
485 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
486 eval "$var=\"\$$var $*\""
487}
488
489add_cflags(){
490 append CFLAGS "$@"
491}
492
493add_ldflags(){
494 append LDFLAGS "$@"
495}
496
497add_extralibs(){
498 append extralibs "$@"
499}
500
b0cfb663 501check_cmd(){
b3cb5d51 502 log "$@"
2270b4b2 503 "$@" >> $logfile 2>&1
b0cfb663
MR
504}
505
dcd479c0 506check_cc(){
57bd82d4 507 log check_cc "$@"
2270b4b2 508 cat > $TMPC
720c69da 509 log_file $TMPC
b0cfb663 510 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
511}
512
513check_cpp(){
514 log check_cpp "$@"
2270b4b2 515 cat > $TMPC
720c69da 516 log_file $TMPC
b0cfb663 517 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
518}
519
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MR
520check_asm(){
521 log check_asm "$@"
522 name="$1"
523 asm="$2"
524 shift 2
525 check_cc "$@" <<EOF && enable $name || disable $name
124c21d7 526void foo(void){ __asm__ volatile($asm); }
940f335a
MR
527EOF
528}
529
304d586d
LM
530check_yasm(){
531 log check_yasm "$@"
532 echo "$1" > $TMPS
533 log_file $TMPS
534 shift 1
535 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
536}
537
dcd479c0 538check_ld(){
57bd82d4 539 log check_ld "$@"
0607887f 540 check_cc || return
3155a644
MR
541 flags=''
542 libs=''
543 for f; do
544 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
545 done
546 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
547}
548
549check_cflags(){
57bd82d4
MR
550 log check_cflags "$@"
551 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
552int x;
553EOF
554}
555
556check_ldflags(){
57bd82d4
MR
557 log check_ldflags "$@"
558 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 559int main(void){ return 0; }
dcd479c0
MR
560EOF
561}
562
563check_header(){
57bd82d4 564 log check_header "$@"
dcd479c0
MR
565 header=$1
566 shift
d8bc5f06
MR
567 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
568 disable $var
569 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
570#include <$header>
571int x;
572EOF
573}
574
575check_func(){
57bd82d4 576 log check_func "$@"
dcd479c0
MR
577 func=$1
578 shift
d8bc5f06
MR
579 disable $func
580 check_ld "$@" <<EOF && enable $func
dcd479c0 581extern int $func();
c23a0ac8 582int main(void){ $func(); }
dcd479c0
MR
583EOF
584}
585
2446d3d6
DB
586check_func_headers(){
587 log check_func_headers "$@"
f8d7b072
MR
588 headers=$1
589 func=$2
590 shift 2
591 disable $func
592 incs=""
593 for hdr in $headers; do
594 incs="$incs
595#include <$hdr>"
596 done
597 check_ld "$@" <<EOF && enable $func
598$incs
d6773f56 599int main(int argc, char **argv){
f8d7b072
MR
600 (void) $func;
601 return 0;
602}
603EOF
604}
605
a5344cf7
SS
606check_cpp_condition(){
607 log check_cpp_condition "$@"
608 header=$1
609 condition=$2
610 check_cpp <<EOF
611#include <$header>
612#if !($condition)
613#error "unsatisfied condition: $condition"
614#endif
615EOF
616}
617
57bd82d4
MR
618check_lib(){
619 log check_lib "$@"
620 header="$1"
621 func="$2"
622 shift 2
fcfcde17
MR
623 temp_extralibs "$@"
624 check_header $header && check_func $func && add_extralibs "$@"
625 err=$?
626 restore_flags
627 return $err
57bd82d4
MR
628}
629
f8d7b072
MR
630check_lib2(){
631 log check_lib2 "$@"
632 headers="$1"
633 func="$2"
634 shift 2
635 temp_extralibs "$@"
2446d3d6 636 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
637 err=$?
638 restore_flags
639 return $err
640}
641
dcd479c0 642check_exec(){
2270b4b2 643 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
644}
645
7dfef245
MR
646check_exec_crash(){
647 code=`cat`
648
649 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
650 # are safe but may not be available everywhere. Thus we use
651 # raise(SIGTERM) instead. The check is run in a subshell so we
652 # can redirect the "Terminated" message from the shell. SIGBUS
653 # is not defined by standard C so it is used conditionally.
654
2270b4b2 655 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
656#include <signal.h>
657static void sighandler(int sig){
658 raise(SIGTERM);
659}
e5af4a11 660int main(void){
7dfef245
MR
661 signal(SIGILL, sighandler);
662 signal(SIGFPE, sighandler);
663 signal(SIGSEGV, sighandler);
664#ifdef SIGBUS
665 signal(SIGBUS, sighandler);
666#endif
667 { $code }
668}
669EOF
670}
671
72be9e73
DY
672check_type(){
673 log check_type "$@"
674 headers=$1
675 type=$2
676 shift 2
677 disable $type
678 incs=""
679 for hdr in $headers; do
680 incs="$incs
681#include <$hdr>"
682 done
683 check_cc "$@" <<EOF && enable $type
684$incs
685$type v;
686EOF
687}
688
57bd82d4
MR
689require(){
690 name="$1"
691 header="$2"
692 func="$3"
693 shift 3
694 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
695}
696
f8d7b072
MR
697require2(){
698 name="$1"
699 headers="$2"
700 func="$3"
701 shift 3
702 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
703}
704
eea50282
MR
705check_foo_config(){
706 cfg=$1
707 pkg=$2
708 header=$3
709 func=$4
710 shift 4
711 disable $cfg
712 check_cmd ${pkg}-config --version
713 err=$?
714 if test "$err" = 0; then
715 temp_cflags `${pkg}-config --cflags`
716 temp_extralibs `${pkg}-config --libs`
717 check_lib "$@" $header $func && enable $cfg
718 fi
719 return $err
720}
721
c505dd31
MR
722apply(){
723 file=$1
724 shift
725 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
726}
727
dcd61286
DB
728# CONFIG_LIST contains configurable options, while HAVE_LIST is for
729# system-dependent things.
730
4a0d6686
AJ
731COMPONENT_LIST="
732 bsfs
733 decoders
734 demuxers
735 encoders
3cde40aa 736 filters
c552605c 737 indevs
4a0d6686 738 muxers
c552605c 739 outdevs
4a0d6686
AJ
740 parsers
741 protocols
742"
743
744CONFIG_LIST="
745 $COMPONENT_LIST
e8ed9b7a 746 aandct
f7679c54
VS
747 avfilter
748 avfilter_lavf
c88f5d72
MR
749 avisynth
750 beos_netserver
f402916e 751 bzlib
27a9466b 752 fastdiv
c88f5d72
MR
753 ffmpeg
754 ffplay
755 ffserver
1848f7d9 756 fft
4f034993 757 golomb
c88f5d72 758 gpl
ecfc4f44 759 gprof
d8d0d0b2 760 gray
3abe5fbd 761 hardcoded_tables
c88f5d72 762 ipv6
f5a756ef
DB
763 libamr_nb
764 libamr_wb
f7b8bffe 765 libdc1394
690bfceb 766 libdirac
2eed5a46
DB
767 libfaac
768 libfaad
769 libfaadbin
c88f5d72 770 libgsm
6ebe07fb 771 libmp3lame
c88f5d72 772 libnut
9a77d59a 773 libopenjpeg
f7cd9eed 774 libschroedinger
ae14f311 775 libspeex
150d2772 776 libtheora
c88f5d72 777 libvorbis
1cc60c47
DB
778 libx264
779 libxvid
47a158cb 780 mdct
c88f5d72 781 memalign_hack
a8150374 782 mlib
c88f5d72
MR
783 mpegaudio_hp
784 network
3fe142e2 785 nonfree
4a24ab64 786 postproc
2b4c3615 787 powerpc_perf
68602540 788 rdft
2e35e684 789 shared
bd2216e4 790 small
2e35e684 791 static
13ca50f3 792 swscale
272081b0 793 vdpau
c88f5d72 794 vhook
56a059ac 795 x11grab
c88f5d72 796 zlib
4a0d6686 797"
c88f5d72 798
8eee7025
DB
799THREADS_LIST='
800 beosthreads
d22e8442 801 os2threads
8eee7025
DB
802 pthreads
803 w32threads
804'
805
3f5b56e5
MR
806ARCH_LIST='
807 alpha
a2fc0f6a 808 arm
3f5b56e5
MR
809 bfin
810 ia64
811 m68k
812 mips
813 parisc
79cb09b2 814 ppc
3f5b56e5
MR
815 s390
816 sh4
817 sparc
818 sparc64
819 x86
820 x86_32
821 x86_64
822'
823
824ARCH_EXT_LIST='
1ac9331a 825 altivec
3bf96eec 826 amd3dnow
a1ef9f08 827 amd3dnowext
1ac9331a 828 armv5te
edab3048 829 armv6
ab5cb084 830 armv6t2
f55b299a 831 armvfp
3f5b56e5
MR
832 iwmmxt
833 mmi
834 mmx
d7f0920b 835 mmx2
6b18d278 836 neon
799fde37 837 ppc4xx
1bb04d5a 838 sse
9eeed841 839 ssse3
bd9d34a0 840 vis
3f5b56e5
MR
841'
842
843HAVE_LIST="
844 $ARCH_EXT_LIST
845 $THREADS_LIST
35fd8122 846 alsa_asoundlib_h
3f5b56e5 847 altivec_h
c9fdab0d 848 arpa_inet_h
6bd859d6 849 bswap
ecf97f22 850 closesocket
1ac9331a 851 cmov
e16e49ac 852 conio_h
c88f5d72 853 dcbzl
f8aa696f
DB
854 dev_bktr_ioctl_bt848_h
855 dev_bktr_ioctl_meteor_h
856 dev_ic_bt8xx_h
857 dev_video_meteor_ioctl_meteor_h
858 dev_video_bktr_ioctl_bt848_h
18b67ae5 859 dlfcn_h
c88f5d72 860 dlopen
bc574408 861 dos_paths
245626d0
DB
862 ebp_available
863 ebx_available
c2a29455 864 fast_64bit
7073e9fc 865 fast_cmov
7b829d2a 866 fast_unaligned
9d99cc5a 867 fork
c88f5d72 868 freetype2
da9e86f8 869 gethrtime
4e68cb8a 870 GetProcessTimes
66be5b45 871 getrusage
c88f5d72 872 imlib2
2e1913b1 873 inet_aton
61d251db 874 inline_asm
0b4a1821
AS
875 libdc1394_1
876 libdc1394_2
a33cab3a
MK
877 llrint
878 lrint
c88f5d72 879 lrintf
f8aa696f
DB
880 machine_ioctl_bt848_h
881 machine_ioctl_meteor_h
c88f5d72
MR
882 malloc_h
883 memalign
6ffa87d3 884 mkstemp
b4e806b2 885 pld
1f91cdce 886 posix_memalign
9cafbd6c 887 ppc64
a33cab3a
MK
888 round
889 roundf
c88f5d72
MR
890 sdl
891 sdl_video_size
b507ebd1 892 setmode
72be9e73 893 socklen_t
deb29777 894 soundcard_h
f8cda19e 895 poll_h
b58412f1 896 sys_mman_h
b091aa44 897 sys_resource_h
81644c2e 898 sys_select_h
deb29777 899 sys_soundcard_h
1b6e8b73 900 sys_videoio_h
d3a4b4e0 901 ten_operands
e16e49ac 902 termios_h
b265431e 903 threads
7b04b8a0 904 truncf
6ff3f3e7 905 winsock2_h
304d586d 906 yasm
0cb78cef 907"
44161118 908
b6bb00b0
MR
909# options emitted with CONFIG_ prefix but not available on command line
910CONFIG_EXTRA="
40b509b3 911 oldscaler
b6bb00b0
MR
912"
913
520cc7f1 914CMDLINE_SELECT="
3f5b56e5 915 $ARCH_EXT_LIST
520cc7f1 916 $CONFIG_LIST
8eee7025 917 $THREADS_LIST
db6107b6 918 cross_compile
520cc7f1
MR
919 debug
920 extra_warnings
8c6afa4d 921 logging
d2bbb2f7 922 optimizations
87a0fb62 923 stripping
7595a5e4 924 yasm
520cc7f1 925"
426be5dc
DB
926
927PATHS_LIST='
d156bede 928 bindir
14a8acf1 929 datadir
26759c44
MR
930 incdir
931 libdir
26759c44
MR
932 mandir
933 prefix
934 shlibdir
426be5dc
DB
935'
936
937CMDLINE_SET="
938 $PATHS_LIST
939 arch
940 build_suffix
941 cc
942 cpu
943 cross_prefix
ac63af34 944 extra_version
9da6609f
MR
945 host_cc
946 host_cflags
947 host_ldflags
948 host_libs
426be5dc 949 logfile
89641463 950 nm
26759c44 951 source_path
a7ada2ba 952 target_exec
26759c44 953 target_os
a7ada2ba 954 target_path
426be5dc 955"
520cc7f1 956
912f3148
DB
957# code dependency declarations
958
9eeed841 959# architecture extensions
79cb09b2 960altivec_deps="ppc"
3bf96eec 961amd3dnow_deps="mmx"
a1ef9f08 962amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
963armv5te_deps="arm"
964armv6_deps="arm"
ab5cb084 965armv6t2_deps="arm"
a2fc0f6a
MR
966armvfp_deps="arm"
967iwmmxt_deps="arm"
e241ba14 968mmi_deps="mips"
9eeed841 969mmx_deps="x86"
75aa95a6 970mmx2_deps="mmx"
a2fc0f6a 971neon_deps="arm"
799fde37 972ppc4xx_deps="ppc"
75aa95a6
DB
973sse_deps="mmx"
974ssse3_deps="sse"
bd9d34a0 975vis_deps="sparc"
9eeed841 976
b6bb00b0 977# common features
40b509b3 978oldscaler_deps="!swscale"
b6bb00b0 979
912f3148 980# decoders / encoders
47a158cb 981aac_decoder_select="fft mdct"
d8d12c15 982ac3_decoder_deps="gpl"
47a158cb
MR
983ac3_decoder_select="fft mdct"
984atrac3_decoder_select="fft mdct"
4f034993 985cavs_decoder_select="golomb"
47a158cb 986cook_decoder_select="fft mdct"
2eef7c62 987cscd_decoder_suggest="zlib"
47a158cb 988dca_decoder_select="fft mdct"
e8ed9b7a 989dnxhd_encoder_select="aandct"
2eef7c62 990dxa_decoder_select="zlib"
406ab5cc 991eac3_decoder_deps="gpl"
47a158cb 992eac3_decoder_select="fft mdct"
e8ed9b7a 993eatgq_decoder_select="aandct"
d52b39c7 994eatqi_decoder_select="aandct"
4f034993
MR
995ffv1_decoder_select="golomb"
996flac_decoder_select="golomb"
997flac_encoder_select="golomb"
2eef7c62
AJ
998flashsv_decoder_select="zlib"
999flashsv_encoder_select="zlib"
e8ed9b7a
DB
1000flv_encoder_select="aandct"
1001h261_encoder_select="aandct"
1002h263_encoder_select="aandct"
1003h263p_encoder_select="aandct"
4f034993 1004h264_decoder_select="golomb"
369122dd 1005h264_vdpau_decoder_deps="vdpau"
47a158cb 1006imc_decoder_select="fft mdct"
4f034993
MR
1007jpegls_decoder_select="golomb"
1008jpegls_encoder_select="golomb"
e8ed9b7a 1009ljpeg_encoder_select="aandct"
4f034993 1010loco_decoder_select="golomb"
e8ed9b7a
DB
1011mjpeg_encoder_select="aandct"
1012mpeg1video_encoder_select="aandct"
1013mpeg2video_encoder_select="aandct"
1014mpeg4_encoder_select="aandct"
d37edddc 1015mpeg_vdpau_decoder_deps="vdpau"
2b324225 1016mpeg1_vdpau_decoder_deps="vdpau"
8f6f050a 1017mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1018msmpeg4v1_encoder_select="aandct"
1019msmpeg4v2_encoder_select="aandct"
1020msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1021nellymoser_decoder_select="fft mdct"
1022nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1023png_decoder_select="zlib"
1024png_encoder_select="zlib"
63cae55d 1025qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1026rv10_encoder_select="aandct"
1027rv20_encoder_select="aandct"
d52b39c7
AJ
1028rv30_decoder_select="golomb"
1029rv40_decoder_select="golomb"
4f034993
MR
1030shorten_decoder_select="golomb"
1031sonic_decoder_select="golomb"
1032sonic_encoder_select="golomb"
1033sonic_ls_encoder_select="golomb"
1034svq3_decoder_select="golomb"
bee2eac5 1035svq3_decoder_suggest="zlib"
2eef7c62
AJ
1036tiff_decoder_suggest="zlib"
1037tiff_encoder_suggest="zlib"
1038tscc_decoder_select="zlib"
c5b42f4a 1039vc1_vdpau_decoder_deps="vdpau"
47a158cb
MR
1040vorbis_decoder_select="fft mdct"
1041vorbis_encoder_select="fft mdct"
1042wmav1_decoder_select="fft mdct"
1043wmav1_encoder_select="fft mdct"
1044wmav2_decoder_select="fft mdct"
1045wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1046wmv1_encoder_select="aandct"
1047wmv2_encoder_select="aandct"
c5b42f4a 1048wmv3_vdpau_decoder_deps="vdpau"
2eef7c62
AJ
1049zlib_decoder_select="zlib"
1050zlib_encoder_select="zlib"
1051zmbv_decoder_select="zlib"
1052zmbv_encoder_select="zlib"
30fd06be 1053
912f3148 1054# external libraries
f5a756ef
DB
1055libamr_nb_decoder_deps="libamr_nb"
1056libamr_nb_encoder_deps="libamr_nb"
1057libamr_wb_decoder_deps="libamr_wb"
1058libamr_wb_encoder_deps="libamr_wb"
1b71f045 1059libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1060libdirac_encoder_deps="libdirac"
c9171a83 1061libfaac_encoder_deps="libfaac"
69ddbd1d 1062libfaad_decoder_deps="libfaad"
4ec45764 1063libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1064libgsm_decoder_deps="libgsm"
1065libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1066libgsm_ms_decoder_deps="libgsm"
1067libgsm_ms_encoder_deps="libgsm"
1cc60c47 1068libmp3lame_encoder_deps="libmp3lame"
9a77d59a 1069libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1070libschroedinger_decoder_deps="libschroedinger"
1071libschroedinger_encoder_deps="libschroedinger"
ae14f311 1072libspeex_decoder_deps="libspeex"
150d2772 1073libtheora_encoder_deps="libtheora"
b0caf888 1074libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1075libx264_encoder_deps="libx264"
1076libxvid_encoder_deps="libxvid"
13566c31 1077mpeg4aac_decoder_deps="libfaad"
272081b0 1078vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
30fd06be 1079
912f3148 1080# demuxers / muxers
03a76ba9 1081ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1082alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1083alsa_demuxer_extralibs="-lasound"
1084alsa_muxer_deps="alsa_asoundlib_h"
1085alsa_muxer_extralibs="-lasound"
50383e88 1086audio_beos_demuxer_deps="audio_beos"
4ec45764 1087audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1088audio_beos_muxer_deps="audio_beos"
4ec45764 1089audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1090avisynth_demuxer_deps="avisynth"
73483024 1091bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1092dirac_demuxer_deps="dirac_parser"
fe9bb347 1093dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1094libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1095libnut_demuxer_deps="libnut"
1096libnut_muxer_deps="libnut"
2eef7c62
AJ
1097matroska_demuxer_suggest="zlib bzlib"
1098mov_demuxer_suggest="zlib"
4bd8e17c 1099mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1100oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1101oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1102redir_demuxer_deps="network"
8eb793c4 1103rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1104rtsp_demuxer_deps="sdp_demuxer"
1105sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1106v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1107v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1108vfwcap_demuxer_deps="capCreateCaptureWindow"
1109vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1110x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1111x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1112
912f3148 1113# protocols
3fff6382 1114gopher_protocol_deps="network"
c08fb000
AB
1115http_protocol_deps="network"
1116rtp_protocol_deps="udp_protocol"
1117tcp_protocol_deps="network"
1118udp_protocol_deps="network"
1119
f7679c54 1120# filters
81124ba0 1121movie_filter_deps="avfilter_lavf"
f7679c54 1122
912f3148 1123# programs
fa859b4d 1124ffplay_deps="sdl"
6ad42348 1125ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
1126ffserver_extralibs='$ldl'
1127vhook_extralibs='$ldl'
a2830dca 1128
912f3148 1129
de6d9b64 1130# default parameters
8a608357 1131
2ba042a7 1132logfile="config.err"
8a608357
MR
1133
1134# installation paths
c9d19248
MR
1135prefix_default="/usr/local"
1136bindir_default='${prefix}/bin'
14a8acf1 1137datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1138incdir_default='${prefix}/include'
1139libdir_default='${prefix}/lib'
1140mandir_default='${prefix}/share/man'
1141shlibdir_default="$libdir_default"
8a608357
MR
1142
1143# toolchain
11e6d03a 1144ar="ar"
13c7df3d 1145cc_default="gcc"
9da6609f 1146host_cc_default="gcc"
11e6d03a 1147ln_s="ln -sf"
89641463 1148nm_default="nm"
11e6d03a 1149objformat="elf"
be7109c1 1150ranlib="ranlib"
0f3cb305 1151strip="strip"
11e6d03a 1152yasmexe="yasm"
8a608357
MR
1153
1154# machine
cc6a90dd 1155arch=`uname -m`
38d0a8aa 1156cpu="generic"
8a608357 1157
8a608357 1158# OS
4f854758 1159target_os=$(tolower $(uname -s))
8a608357 1160
8a608357 1161# configurable options
497237c7 1162enable debug
497237c7
RP
1163enable ffmpeg
1164enable ffplay
1165enable ffserver
1166enable ipv6
497237c7
RP
1167enable mpegaudio_hp
1168enable network
40b509b3 1169enable oldscaler
8400d6b8 1170enable optimizations
497237c7 1171enable protocols
530dc538 1172enable static
87a0fb62 1173enable stripping
8a608357
MR
1174vhook="default"
1175
8a608357 1176# build settings
11a9d3e8 1177add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1178SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 1179VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 1180FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1181LIBPREF="lib"
1182LIBSUF=".a"
c5f14466
RP
1183FULLNAME='$(NAME)$(BUILDSUF)'
1184LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1185SLIBPREF="lib"
1186SLIBSUF=".so"
c5f14466 1187SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1188SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1189SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1190LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1191
9da6609f
MR
1192host_cflags='-O3 -g -Wall'
1193host_libs='-lm'
1194
a7ada2ba
MR
1195target_path='.'
1196
0d7dca36
DB
1197# gcc stupidly only outputs the basename of targets with -MM, but we need the
1198# full relative path for objects in subdirectories for non-recursive Make.
333d5374 1199DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1200
c597172e
MR
1201# find source path
1202source_path="`dirname \"$0\"`"
497237c7 1203enable source_path_used
c597172e
MR
1204if test -z "$source_path" -o "$source_path" = "." ; then
1205 source_path="`pwd`"
497237c7 1206 disable source_path_used
c597172e
MR
1207else
1208 source_path="`cd \"$source_path\"; pwd`"
1209 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1210 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1211fi
1212
c597172e
MR
1213FFMPEG_CONFIGURATION="$@"
1214
73ef8980
MR
1215find_things(){
1216 thing=$1
1217 pattern=$2
1218 file=$source_path/$3
932ccf39 1219 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1220}
1221
1222ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1223DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1224PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1225BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1226MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1227DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1228OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1229INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1230PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1231FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1232
7483e694
DB
1233enable $ARCH_EXT_LIST \
1234 $DECODER_LIST \
1235 $ENCODER_LIST \
1236 $PARSER_LIST \
1237 $BSF_LIST \
1238 $DEMUXER_LIST \
1239 $MUXER_LIST \
f7679c54 1240 $FILTER_LIST \
7483e694
DB
1241 $PROTOCOL_LIST \
1242 $INDEV_LIST \
1243 $OUTDEV_LIST \
c597172e
MR
1244
1245die_unknown(){
1246 echo "Unknown option \"$1\"."
1247 echo "See $0 --help for available options."
1248 exit 1
1249}
1250
794f8e97 1251show_list() {
bf0c4afa
RP
1252 suffix=_$1
1253 shift
1254 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1255 exit 0
1256}
1257
c597172e 1258for opt do
7483e694
DB
1259 optval="${opt#*=}"
1260 case "$opt" in
0f010b2f 1261 --extra-cflags=*) add_cflags $optval
7483e694 1262 ;;
0f010b2f 1263 --extra-ldflags=*) add_ldflags $optval
7483e694 1264 ;;
0f010b2f 1265 --extra-libs=*) add_extralibs $optval
7483e694 1266 ;;
8fb1cb58 1267 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1268 ;;
40bcf4c7
BL
1269 --enable-debug=*) debuglevel="$optval"
1270 ;;
7483e694
DB
1271 --enable-*=*|--disable-*=*)
1272 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1273 case "$thing" in
81124ba0 1274 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1275 *) die_unknown "$opt" ;;
1276 esac
1277 ;;
1278 --enable-?*|--disable-?*)
1279 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1280 if is_in $option $COMPONENT_LIST; then
1281 eval $action \$$(toupper ${option%s})_LIST
1282 elif is_in $option $CMDLINE_SELECT; then
1283 $action $option
1284 else
1285 die_unknown $opt
1286 fi
7483e694
DB
1287 ;;
1288 --list-*)
1289 NAME="${opt#--list-}"
1290 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1291 NAME=${NAME%s}
1292 eval show_list $NAME \$$(toupper $NAME)_LIST
1293 ;;
1294 --help|-h) show_help
1295 ;;
1296 *)
884a36a7 1297 optname="${opt%%=*}"
26759c44
MR
1298 optname="${optname#--}"
1299 optname=$(echo "$optname" | sed 's/-/_/g')
1300 is_in $optname $CMDLINE_SET || die_unknown $opt
1301 eval $optname='$optval'
7483e694
DB
1302 ;;
1303 esac
c597172e
MR
1304done
1305
bcea99bb
MR
1306disabled logging && logfile=/dev/null
1307
1308echo "# $0 $@" > $logfile
1309set >> $logfile
1310
9da6609f
MR
1311test -n "$cross_prefix" && enable cross_compile
1312
adb2b908 1313ar="${cross_prefix}${ar}"
11e6d03a 1314cc_default="${cross_prefix}${cc_default}"
20e0ed95 1315nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1316ranlib="${cross_prefix}${ranlib}"
1317strip="${cross_prefix}${strip}"
1318
89641463 1319set_default cc nm
9da6609f
MR
1320enabled cross_compile || host_cc_default=$cc
1321set_default host_cc
13c7df3d 1322
c0f5b7f1
MR
1323case $target_os in
1324 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) EXESUF=.exe ;;
1325esac
1326
e4e69e0b 1327# set temporary file name
a49d42c2 1328: ${TMPDIR:=$TEMPDIR}
c51fafa1 1329: ${TMPDIR:=$TMP}
a49d42c2 1330: ${TMPDIR:=/tmp}
e4e69e0b 1331
a49d42c2
MR
1332TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1333TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1334TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1335TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1336TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1337TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
e4e69e0b 1338
993f2d0f
MR
1339# make sure we can execute files in $TMPDIR
1340cat > $TMPSH 2>> $logfile <<EOF
1341#! /bin/sh
1342EOF
1343chmod +x $TMPSH >> $logfile 2>&1
1344if ! $TMPSH >> $logfile 2>&1; then
1345 cat <<EOF
1346Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1347variable to another directory and make sure that it is not mounted noexec.
1348EOF
1349 die "Sanity test failed."
1350fi
1351rm $TMPSH
1352
629687f6
MR
1353if $cc --version 2>/dev/null | grep -q '(GCC)'; then
1354 cc_type=gcc
1355elif $cc --version 2>/dev/null | grep -q Intel; then
1356 cc_type=icc
1357elif $cc -v 2>&1 | grep -q xlc; then
1358 cc_type=xlc
1359fi
1360
1361test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1362
993f2d0f
MR
1363# compiler sanity check
1364check_exec <<EOF
1365int main(void){ return 0; }
1366EOF
1367if test "$?" != 0; then
1368 echo "$cc is unable to create an executable file."
1369 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1370 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1371 echo "Only do this if you know what cross compiling means."
1372 fi
1373 die "C compiler test failed."
1374fi
1375
e9b9a2f8
MN
1376check_cflags -std=c99
1377
b24dbcbd 1378case "$arch" in
b24dbcbd
RP
1379 alpha)
1380 arch="alpha"
1381 enable fast_64bit
c0a02a3e 1382 check_cflags -mieee
b24dbcbd 1383 ;;
cfdb6148
MR
1384 arm|armv[4567]*l)
1385 arch="arm"
b24dbcbd 1386 ;;
f4870943
MR
1387 avr32)
1388 ;;
cfdb6148
MR
1389 bfin)
1390 arch="bfin"
1391 ;;
1392 ia64)
1393 arch="ia64"
b24dbcbd 1394 enable fast_64bit
cfdb6148
MR
1395 ;;
1396 m68k)
1397 arch="m68k"
b24dbcbd 1398 ;;
de3a1240 1399 mips|mipsel|IP*)
b24dbcbd
RP
1400 arch="mips"
1401 ;;
de3a1240
DB
1402 mips64)
1403 arch="mips"
1404 enable fast_64bit
1405 ;;
61597a98 1406 parisc|hppa)
b24dbcbd
RP
1407 arch="parisc"
1408 ;;
61597a98 1409 parisc64|hppa64)
b24dbcbd
RP
1410 arch="parisc"
1411 enable fast_64bit
1412 ;;
cfdb6148
MR
1413 "Power Macintosh"|ppc|powerpc)
1414 arch="ppc"
1415 enable fast_unaligned
1416 ;;
1417 ppc64)
1418 arch="ppc"
1419 enable fast_64bit
1420 enable fast_unaligned
1421 ;;
b24dbcbd
RP
1422 s390|s390x)
1423 arch="s390"
1424 ;;
cfdb6148
MR
1425 sh4|sh)
1426 arch="sh4"
b24dbcbd 1427 ;;
cfdb6148
MR
1428 sparc)
1429 arch="sparc"
1430 ;;
1431 sun4u|sparc64)
1432 arch="sparc"
1433 subarch="sparc64"
b24dbcbd
RP
1434 enable fast_64bit
1435 ;;
cfdb6148
MR
1436 i386|i486|i586|i686|i86pc|BePC)
1437 arch="x86"
1438 subarch="x86_32"
1439 enable fast_unaligned
1440 ;;
1441 x86_64|amd64)
1442 arch="x86"
1443 subarch="x86_32"
1444 enable cmov
1445 enable fast_cmov
1446 enable fast_unaligned
1447 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1448 int test[sizeof(char*) - 7];
1449EOF
b24dbcbd
RP
1450 ;;
1451 *)
1452 arch="unknown"
1453 ;;
1454esac
1455
62045d48 1456enable $arch $subarch
b24dbcbd 1457
7483e694 1458# OS specific
4f854758 1459case $target_os in
7483e694 1460 beos|haiku|zeta)
c9d19248 1461 prefix_default="$HOME/config"
7483e694 1462 # helps building libavcodec
0f010b2f 1463 add_cflags -DPIC -fomit-frame-pointer
7483e694
DB
1464 # 3 gcc releases known for BeOS, each with ugly bugs
1465 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1466 case "$gcc_version" in
1467 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1468 disable mmx
1469 ;;
1470 *20010315*) echo "BeBits gcc"
0f010b2f 1471 add_cflags -fno-expensive-optimizations
7483e694
DB
1472 ;;
1473 esac
7483e694
DB
1474 SHFLAGS=-nostart
1475 # enable BeOS things
1476 enable audio_beos
1477 # no need for libm, but the inet stuff
1478 # Check for BONE
1479 # XXX: actually should check for NOT net_server
78fe7631 1480 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1481 network_extralibs="-lbind -lsocket"
1482 else
1483 enable beos_netserver
1484 network_extralibs="-lnet"
1485 fi ;;
1486 sunos)
1487 FFSERVERLDFLAGS=""
9987769a 1488 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1489 network_extralibs="-lsocket -lnsl"
e193c74e 1490 add_cflags -D__EXTENSIONS__
7483e694
DB
1491 ;;
1492 netbsd)
1493 oss_demuxer_extralibs="-lossaudio"
1494 oss_muxer_extralibs="-lossaudio"
1495 ;;
1496 openbsd)
1497 disable need_memalign
1498 LIBOBJFLAGS='$(PIC)'
7483e694 1499 SHFLAGS='-shared'
7483e694
DB
1500 oss_demuxer_extralibs="-lossaudio"
1501 oss_muxer_extralibs="-lossaudio"
1502 ;;
1503 freebsd)
1504 disable need_memalign
1505 ;;
1506 bsd/os)
1507 osextralibs="-lpoll -lgnugetopt"
1508 strip="strip -d"
1509 ;;
1510 darwin)
1511 disable need_memalign
0138c54e 1512 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1513 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1514 strip="strip -x"
1515 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1516 SLIBSUF=".dylib"
1517 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1518 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1519 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1520 objformat="macho"
1b0f6fb8 1521 enabled x86_64 && objformat="macho64"
7483e694
DB
1522 ;;
1523 mingw32*)
4f854758 1524 target_os=mingw32
dcc01c06 1525 LIBTARGET=i386
1fc9fb8a 1526 if enabled x86_64; then
dcc01c06
RP
1527 disable need_memalign
1528 LIBTARGET=x64
1529 fi
fbd971a4 1530 shlibdir_default="$bindir_default"
7483e694
DB
1531 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1532 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1533 if enabled swscale; then
7483e694
DB
1534 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1535 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1536 fi
1537 disable ffserver
1538 SLIBPREF=""
1539 SLIBSUF=".dll"
7483e694
DB
1540 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1541 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1542 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1543 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1544 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1545 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1546 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1547 objformat="win32"
bc574408 1548 enable dos_paths
b1549d61 1549 if ! enabled x86_64; then
f7ad5aa2
RP
1550 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1551 die "ERROR: MinGW runtime version must be >= 3.15."
1552 enabled_any avisynth vfwcap_demuxer &&
1553 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1554 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1555 fi
7483e694
DB
1556 ;;
1557 cygwin*)
4f854758 1558 target_os=cygwin
fbd971a4 1559 shlibdir_default="$bindir_default"
7483e694
DB
1560 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1561 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1562 if enabled swscale; then
7483e694
DB
1563 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1564 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1565 fi
7483e694
DB
1566 SLIBPREF="cyg"
1567 SLIBSUF=".dll"
1568 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1569 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1570 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1571 objformat="win32"
bc574408 1572 enable dos_paths
7483e694 1573 ;;
4f365f37 1574 *-dos|freedos|opendos)
4f365f37
MK
1575 disable ffplay ffserver vhook
1576 disable $INDEV_LIST $OUTDEV_LIST
1577 network_extralibs="-lsocket"
ff1c015d 1578 objformat="coff"
bc574408 1579 enable dos_paths
4f365f37 1580 ;;
7483e694 1581 linux)
7483e694
DB
1582 enable dv1394
1583 ;;
1584 irix*)
4f854758 1585 target_os=irix
7483e694
DB
1586 ranlib="echo ignoring ranlib"
1587 ;;
d22e8442 1588 os/2*)
d22e8442
DY
1589 strip="lxlite"
1590 ln_s="cp -f"
d22e8442 1591 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1592 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1593 FFSERVERLDFLAGS=""
287d3b13 1594 LIBSUF="_s.a"
d22e8442
DY
1595 SLIBPREF=""
1596 SLIBSUF=".dll"
1597 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1598 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1599 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1600 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1601 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1602 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1603 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1604 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1605 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1606 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1607 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1608 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1609 disable vhook
bc574408 1610 enable dos_paths
d22e8442 1611 ;;
269820f1
PR
1612 interix)
1613 disable vhook
1614 ;;
d22e8442 1615
7483e694 1616 *)
4f924f9a 1617 die "Unknown OS '$target_os'."
7483e694
DB
1618 ;;
1619esac
1620
c9d19248
MR
1621set_default $PATHS_LIST
1622
c597172e 1623add_extralibs $osextralibs
de6d9b64 1624
28d8e661
DB
1625# Combine FFLDFLAGS and the LDFLAGS environment variable.
1626LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1627
320d060a 1628# we need to build at least one lib type
93b3c083 1629if ! enabled_any static shared; then
320d060a
DB
1630 cat <<EOF
1631At least one library type must be built.
1632Specify --enable-static to build the static libraries or --enable-shared to
1633build the shared libraries as well. To only build the shared libraries specify
1634--disable-static in addition to --enable-shared.
1635EOF
1636 exit 1;
1637fi
1638
abc4e572 1639disabled static && LIBNAME=""
2a320695 1640
a2234ceb
RP
1641if enabled_any libfaad libfaadbin ; then
1642 if check_header faad.h; then
295b8c70 1643 check_cc <<EOF
a2234ceb
RP
1644#include <faad.h>
1645#ifndef FAAD2_VERSION
1646ok faad1
1647#endif
db817cf3 1648int main(void) { return 0; }
a2234ceb
RP
1649EOF
1650 test $? = 0 && enable libfaad2
1651 else
ff3dac65 1652 die "FAAD test failed."
a2234ceb
RP
1653 fi
1654fi
1655
1656
93b3c083 1657if ! enabled gpl; then
54118497
RP
1658 die_gpl_disabled(){
1659 name=$1
1660 shift
1661 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1662 }
4a24ab64 1663 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1664 die_gpl_disabled "libx264" libx264
1665 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1666 die_gpl_disabled "FAAD2" libfaad2
1667 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1668 die_gpl_disabled "The software scaler" swscale
ebb810d9 1669fi
b2e3c528 1670
3fe142e2
DB
1671if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1672 die "libamr is nonfree and --enable-nonfree is not specified."
1673fi
1674
9eeed841 1675check_deps $ARCH_EXT_LIST
0f3cb305 1676
5d323602
MR
1677test -z "$need_memalign" && need_memalign="$mmx"
1678
cf9d24ad 1679#Darwin CC versions
4f854758 1680if test $target_os = darwin; then
629687f6 1681 if enabled xlc; then
0f010b2f 1682 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1683 else
0f010b2f
DB
1684 add_cflags -pipe
1685 check_cflags -force_cpusubtype_ALL
1686 check_cflags -Wno-sign-compare
f946a9a4 1687 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1688 fi
2a1a6b64
MN
1689fi
1690
40617a6d 1691disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1692
a4adb608 1693# Add processor-specific flags
38d0a8aa 1694if test $cpu != "generic"; then
bc8ec47b
MR
1695 warn_altivec(){
1696 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1697 }
38d0a8aa 1698 case $cpu in
bb270c08 1699 601|ppc601|PowerPC601)
0f010b2f 1700 add_cflags -mcpu=601
bc8ec47b 1701 warn_altivec enabled PPC601
bb270c08
DB
1702 ;;
1703 603*|ppc603*|PowerPC603*)
0f010b2f 1704 add_cflags -mcpu=603
bc8ec47b 1705 warn_altivec enabled PPC603
bb270c08
DB
1706 ;;
1707 604*|ppc604*|PowerPC604*)
0f010b2f 1708 add_cflags -mcpu=604
bc8ec47b 1709 warn_altivec enabled PPC604
bb270c08
DB
1710 ;;
1711 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1712 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1713 warn_altivec enabled PPC75x
bb270c08
DB
1714 ;;
1715 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1716 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1717 warn_altivec disabled PPC745x
bb270c08
DB
1718 ;;
1719 74*|ppc74*|PowerPC74*)
0f010b2f 1720 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1721 warn_altivec disabled PPC74xx
bb270c08
DB
1722 ;;
1723 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1724 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1725 warn_altivec disabled PPC970
9cafbd6c 1726 enable ppc64
bb270c08 1727 ;;
e07e357d 1728 Cell|CELL|cell)
0f010b2f 1729 add_cflags -mcpu=cell
e07e357d 1730 warn_altivec disabled Cell
9cafbd6c 1731 enable ppc64
e07e357d 1732 ;;
e7768fc5
GP
1733 # targets that do NOT support conditional mov (cmov)
1734 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1735 add_cflags -march=$cpu
497237c7 1736 disable cmov
e7768fc5
GP
1737 ;;
1738 # targets that do support conditional mov (cmov)
416519dd 1739 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1740 add_cflags -march=$cpu
497237c7
RP
1741 enable cmov
1742 enable fast_cmov
94e4c3a3
GP
1743 ;;
1744 # targets that do support conditional mov but on which it's slow
800a5a19 1745 pentium4|pentium4m|prescott|nocona)
0f010b2f 1746 add_cflags -march=$cpu
497237c7
RP
1747 enable cmov
1748 disable fast_cmov
bb270c08 1749 ;;
d7b34d08 1750 sparc64)
0f010b2f 1751 add_cflags -mcpu=v9
d7b34d08 1752 ;;
f2e49553 1753 arm11*|cortex*)
0f010b2f 1754 add_cflags -mcpu=$cpu
f2e49553
MR
1755 enable fast_unaligned
1756 ;;
0223bd6f 1757 armv*)
0f010b2f 1758 add_cflags -march=$cpu
0223bd6f 1759 ;;
f2e49553 1760 arm*)
0f010b2f 1761 add_cflags -mcpu=$cpu
6b19786b 1762 ;;
1cd11856
MR
1763 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1764 add_cflags -mcpu=$cpu
1765 ;;
bb270c08 1766 *)
7483e694 1767 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1768 ;;
a4adb608
MN
1769 esac
1770fi
1771
b4d96ba2
MR
1772check_cc <<EOF || die "Symbol mangling check failed."
1773int ff_extern;
1774EOF
2f05d9c1 1775sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1776extern_prefix=${sym%%ff_extern*}
1777
61d251db
MR
1778check_asm inline_asm '""'
1779
9eeed841 1780if enabled x86; then
44965991
PI
1781 # check whether EBP is available on x86
1782 # As 'i' is stored on the stack, this program will crash
1783 # if the base pointer is used to access it because the
1784 # base pointer is cleared in the inline assembly code.
7dfef245 1785 check_exec_crash <<EOF && enable ebp_available
44965991 1786 volatile int i=0;
be449fca 1787 __asm__ volatile (
44965991
PI
1788 "xorl %%ebp, %%ebp"
1789 ::: "%ebp");
1790 return i;
44965991
PI
1791EOF
1792
1793 # check wether EBX is available on x86
940f335a 1794 check_asm ebx_available '"":::"%ebx"'
8e380710 1795
d3a4b4e0
DB
1796 # check whether more than 10 operands are supported
1797 check_cc <<EOF && enable ten_operands
1798int main(void) {
1799 int x=0;
1800 __asm__ volatile(
1801 ""
1802 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1803 );
1804 return 0;
1805}
1806EOF
1807
d7f0920b 1808 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1809 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1810 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1811
1812 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1813
d52481b9 1814 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1815 enabled x86_64 && append YASMFLAGS "-m amd64"
1816 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1817 case "$objformat" in
1818 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1819 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1820 *) append YASMFLAGS "-DPREFIX" ;;
1821 esac
7595a5e4 1822 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1823fi
1824
87ea51e0
LB
1825# check for assembler specific support
1826
5b6c2cbd 1827enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1828enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1829
57bd82d4
MR
1830# check for SIMD availability
1831
115329f1 1832# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1833if enabled altivec; then
3ed1a2ee
DB
1834 check_cflags -maltivec -mabi=altivec &&
1835 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1836 check_cflags -faltivec
b6e52719 1837
0182fee8 1838 # check if our compiler supports Motorola AltiVec C API
497237c7 1839 check_cc <<EOF || disable altivec
dcd479c0 1840$inc_altivec_h
a9a07762
MN
1841int main(void) {
1842 vector signed int v1, v2, v3;
1843 v1 = vec_add(v2,v3);
1844 return 0;
1845}
1846EOF
b006b26c
DB
1847
1848 # check if our compiler supports braces for vector declarations
80a61f08 1849 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1850$inc_altivec_h
80a61f08 1851int main (void) { (vector int) {1}; return 0; }
b006b26c 1852EOF
a9a07762 1853fi
ab6c65f6 1854
b4e806b2 1855# We have to check if pld is a nop and disable it.
a2fc0f6a 1856enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1857enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1858enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1859enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1860enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1861enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1862enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1863enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1864enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1865
0f010b2f 1866enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1867
57bd82d4
MR
1868# ---
1869# big/little-endian test
9eebe687
MR
1870check_cc <<EOF || die "endian test failed"
1871unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1872EOF
d04d9e16 1873od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1874
a3999908 1875# ---
3d204385
NK
1876# check availability of some header files
1877
a98bb16d
RP
1878if check_func dlopen; then
1879 ldl=
1880elif check_func dlopen -ldl; then
1881 ldl=-ldl
8bf5d58f
MN
1882fi
1883
7483e694
DB
1884check_func fork
1885check_func gethrtime
1886check_func getrusage
094c09bb 1887check_func inet_aton $network_extralibs
7483e694
DB
1888check_func memalign
1889check_func mkstemp
1f91cdce 1890check_func posix_memalign
b507ebd1 1891check_func_headers io.h setmode
2446d3d6 1892check_func_headers windows.h GetProcessTimes
6ffa87d3 1893
e16e49ac 1894check_header conio.h
a98bb16d
RP
1895check_header dlfcn.h
1896check_header malloc.h
bf6ce82d 1897check_header poll.h
b58412f1 1898check_header sys/mman.h
b091aa44 1899check_header sys/resource.h
bf6ce82d 1900check_header sys/select.h
a98bb16d 1901check_header termios.h
272081b0
CEH
1902check_header vdpau/vdpau.h
1903check_header vdpau/vdpau_x11.h
68178ca9 1904check_header X11/extensions/XvMClib.h
a98bb16d 1905
1f91cdce
RP
1906if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1907 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1908fi
e16e49ac 1909
a4fa192c 1910disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1911disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1912
1913# check for some common methods of building with pthread support
1914# do this before the optional library checks as some of them require pthreads
1915if enabled pthreads; then
9e7fd101
MR
1916 if check_func pthread_create; then
1917 :
1918 elif check_func pthread_create -pthread; then
1919 add_cflags -pthread
afc9aee2 1920 add_extralibs -pthread
9e7fd101
MR
1921 elif check_func pthread_create -pthreads; then
1922 add_cflags -pthreads
afc9aee2 1923 add_extralibs -pthreads
8d94f606
GT
1924 elif check_func pthread_create -lpthreadGC2; then
1925 add_extralibs -lpthreadGC2
9e7fd101
MR
1926 elif ! check_lib pthread.h pthread_create -lpthread; then
1927 die "ERROR: can't find pthreads library"
1928 fi
57bd82d4
MR
1929fi
1930
8eee7025 1931for thread in $THREADS_LIST; do
e5f94c2b 1932 if enabled $thread; then
3ae3b721
RP
1933 test -n "$thread_type" &&
1934 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1935 thread_type="$thread"
e5f94c2b
RP
1936 fi
1937done
1938
fdf88598
MR
1939check_lib math.h sin -lm
1940
a33cab3a 1941# test for C99 functions in math.h
7b04b8a0 1942for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 1943 check_exec <<EOF && enable $func || disable $func
f32adb22 1944#include <math.h>
a33cab3a 1945int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1946EOF
a33cab3a 1947done
f32adb22 1948
57bd82d4 1949# these are off by default, so fail if requested and not available
79fda097 1950enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1951enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1952enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 1953enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
1954 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1955 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1956enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1957enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 1958enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 1959enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 1960enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
3d6fac8c 1961enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
1962enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1963 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 1964enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
1965enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1966enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 1967enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
1968 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1969 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 1970enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 1971enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1972
0b4a1821
AS
1973# libdc1394 check
1974if enabled libdc1394; then
1975 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1976 enable libdc1394_2; } ||
1977 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1978 enable libdc1394_1; } ||
1979 die "ERROR: No version of libdc1394 found "
1980fi
1981
1982
c13e1abd
FH
1983_restrict=
1984for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1985 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1986void foo(char * $restrict_keyword p);
1987EOF
c13e1abd
FH
1988done
1989
703afd07 1990test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1991
4f854758 1992if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1993 disable vhook
fbb9d104 1994 echo
b0268cc0 1995 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1996 echo "Patches welcome."
1997 echo
1998fi
1999
8d923001
MR
2000if enabled vhook; then
2001 check_ldflags -rdynamic
2002 check_ldflags -export-dynamic
2003fi
bfd2edeb 2004
eea50282
MR
2005check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
2006check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 2007
a86b921c 2008##########################################
29799f8b 2009# SDL check
a86b921c 2010
497237c7
RP
2011disable sdl_too_old
2012disable sdl
6a1a892f 2013SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2014if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
2015 sdl_cflags=`"${SDL_CONFIG}" --cflags`
2016 temp_cflags $sdl_cflags
dcd479c0 2017 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 2018 if check_lib2 SDL.h SDL_Init; then
dcd479c0 2019 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 2020 if test "$_sdlversion" -lt 121 ; then
497237c7 2021 enable sdl_too_old
dcd479c0 2022 else
497237c7 2023 enable sdl
225e21ef 2024 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2025#include <SDL.h>
d6773f56 2026int main(int argc, char **argv){
29f3b38a
MR
2027 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2028 int w = vi->current_w;
2029 return 0;
2030}
2031EOF
dcd479c0
MR
2032 fi
2033 fi
29f3b38a 2034 restore_flags
c3f6b472 2035fi
57bd82d4 2036
2270b4b2 2037texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2038
7a91333f 2039##########################################
73b46a95
RP
2040# Network check
2041
2042if enabled network; then
96000432 2043 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2044 # Prefer arpa/inet.h over winsock2
2045 if check_header arpa/inet.h ; then
2046 check_func closesocket
2047 elif check_header winsock2.h ; then
ea10ddde 2048 network_extralibs="-lws2_32"
72be9e73 2049 check_type ws2tcpip.h socklen_t
2446d3d6 2050 check_func_headers winsock2.h closesocket
73b46a95
RP
2051 fi
2052fi
2053
2054##########################################
29799f8b 2055# IPv6 check
7a91333f 2056
497237c7 2057enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2058#include <sys/types.h>
2059#include <sys/socket.h>
2060#include <netinet/in.h>
2061#include <netdb.h>
db817cf3 2062int main(void) {
7483e694
DB
2063 struct sockaddr_storage saddr;
2064 struct ipv6_mreq mreq6;
2065 getaddrinfo(0,0,0,0);
2066 getnameinfo(0,0,0,0,0,0,0);
2067 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2068}
2069EOF
2070
06e31011
RP
2071check_header linux/videodev.h
2072check_header linux/videodev2.h
1b6e8b73 2073check_header sys/videoio.h
47f38850 2074
2446d3d6 2075check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2076
f8aa696f 2077# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2078{ check_header dev/bktr/ioctl_meteor.h &&
2079 check_header dev/bktr/ioctl_bt848.h; } ||
2080{ check_header machine/ioctl_meteor.h &&
2081 check_header machine/ioctl_bt848.h; } ||
2082{ check_header dev/video/meteor/ioctl_meteor.h &&
2083 check_header dev/video/bktr/ioctl_bt848.h; } ||
2084check_header dev/ic/bt8xx.h
f8aa696f 2085
c7682de0
RP
2086check_header sys/soundcard.h
2087check_header soundcard.h
deb29777 2088
35fd8122
NG
2089check_header alsa/asoundlib.h &&
2090check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2091
7483e694 2092# deal with the X11 frame grabber
56a059ac 2093enabled x11grab &&
f58f4ce1
GP
2094check_header X11/Xlib.h &&
2095check_header X11/extensions/XShm.h &&
2096check_func XOpenDisplay -lX11 &&
06eab4ba 2097check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2098
40bcf4c7 2099enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2100
2101# add some useful compiler flags if supported
2102check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2103check_cflags -Wall
2104check_cflags -Wno-switch
c07bd6a9
MN
2105check_cflags -Wdisabled-optimization
2106check_cflags -Wpointer-arith
2107check_cflags -Wredundant-decls
cc1fb623 2108check_cflags -Wno-pointer-sign
f4929996 2109check_cflags -Wcast-qual
9aceb3cf 2110check_cflags -Wwrite-strings
652a5bf6 2111check_cflags -Wtype-limits
764551c6 2112check_cflags -Wundef
5af4e0cc 2113enabled extra_warnings && check_cflags -Winline
cf9d24ad 2114
57bd82d4 2115# add some linker flags
5c0e9479 2116check_ldflags -Wl,--warn-common
8351d2ba
DB
2117check_ldflags -Wl,--as-needed
2118check_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 2119check_ldflags -Wl,-Bsymbolic
94a3401e 2120
bd2216e4
MR
2121if enabled small; then
2122 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2123 optimizations="small"
2124elif enabled optimizations; then
629687f6 2125 if enabled xlc; then
0f010b2f
DB
2126 add_cflags -O5
2127 add_ldflags -O5
cf9d24ad 2128 else
0f010b2f 2129 add_cflags -O3
cf9d24ad 2130 fi
cddf3f45 2131fi
11fdbc44 2132check_cflags -fno-math-errno
b2eb2ff0 2133check_cflags -fno-signed-zeros
cddf3f45 2134
504a64b9 2135# add some flags for Intel C Compiler
629687f6 2136if enabled icc; then
504a64b9
CEH
2137 # Just warnings, no remarks
2138 check_cflags -w1
2139 # -wd: Disable following warnings
2140 # 144, 167, 556: -Wno-pointer-sign
2141 # 10006: ignoring unknown option -fno-signed-zeros
2142 # 10156: ignoring option '-W'; no argument required
2143 check_cflags -wd144,167,556,10006,10156
2144 # 11030: Warning unknown option --as-needed
2145 # 10156: ignoring option '-export'; no argument required
2146 check_ldflags -wd10156,11030
907eb3b5
CEH
2147 # Allow to compile with optimizations
2148 check_ldflags -march=$cpu
504a64b9
CEH
2149fi
2150
80581e98 2151# PIC flags for shared library objects where they are needed
5af4e0cc 2152if enabled shared; then
569cb218
MR
2153 # LIBOBJFLAGS may have already been set in the OS configuration
2154 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2155 case "${subarch-$arch}" in
b6bd7268 2156 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2157 esac
2158 fi
80581e98
MN
2159fi
2160
90be59ef 2161if enabled gprof; then
0f010b2f
DB
2162 add_cflags -p
2163 add_ldflags -p
1db54e20
DB
2164fi
2165
3b26ee47 2166VHOOKCFLAGS="-fPIC"
18451f7d 2167
7f3c02fc 2168# Find out if the .align argument is a power of two or not.
9377b6ce 2169check_asm asmalign_pot '".align 3"'
4454dc1b 2170
7483e694
DB
2171enabled_any $DECODER_LIST && enable decoders
2172enabled_any $ENCODER_LIST && enable encoders
2173enabled_any $BSF_LIST && enable bsfs
2174enabled_any $DEMUXER_LIST && enable demuxers
2175enabled_any $MUXER_LIST && enable muxers
f7679c54 2176enabled_any $FILTER_LIST && enable filters
7483e694
DB
2177enabled_any $INDEV_LIST && enable demuxers
2178enabled_any $OUTDEV_LIST && enable muxers
2179enabled_any $PROTOCOL_LIST && enable protocols
2180
2181enabled_any $THREADS_LIST && enable threads
2182
2183check_deps $CONFIG_LIST \
b6bb00b0 2184 $CONFIG_EXTRA \
7483e694
DB
2185 $HAVE_LIST \
2186 $DECODER_LIST \
2187 $ENCODER_LIST \
2188 $PARSER_LIST \
2189 $BSF_LIST \
2190 $DEMUXER_LIST \
2191 $MUXER_LIST \
f7679c54 2192 $FILTER_LIST \
7483e694
DB
2193 $INDEV_LIST \
2194 $OUTDEV_LIST \
2195 $PROTOCOL_LIST \
f70f03f6 2196
3e89171a 2197echo "install prefix $prefix"
f36958f8
DB
2198echo "source path $source_path"
2199echo "C compiler $cc"
bfd5afd8 2200echo ".align is power-of-two $asmalign_pot"
f36958f8 2201echo "ARCH $arch ($cpu)"
ce8871c2
MR
2202if test "$build_suffix" != ""; then
2203 echo "build suffix $build_suffix"
eb94aca9 2204fi
ac63af34
DB
2205if test "$extra_version" != ""; then
2206 echo "version string suffix $extra_version"
2207fi
0db2ce77 2208echo "big-endian ${bigendian-no}"
5b6c2cbd 2209if enabled x86; then
af44e8e4 2210 echo "yasm ${yasm-no}"
0db2ce77 2211 echo "MMX enabled ${mmx-no}"
30e98e62 2212 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2213 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2214 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2215 echo "SSE enabled ${sse-no}"
30e98e62 2216 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2217 echo "CMOV enabled ${cmov-no}"
2218 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2219 echo "EBX available ${ebx_available-no}"
2220 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2221 echo "10 operands supported ${ten_operands-no}"
e41e8342 2222fi
5b6c2cbd 2223if enabled arm; then
0db2ce77
MR
2224 echo "ARMv5TE enabled ${armv5te-no}"
2225 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2226 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2227 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2228 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2229 echo "NEON enabled ${neon-no}"
eba9ae3c 2230fi
5b6c2cbd 2231if enabled mips; then
0db2ce77 2232 echo "MMI enabled ${mmi-no}"
e41e8342 2233fi
5b6c2cbd 2234if enabled ppc; then
0db2ce77 2235 echo "AltiVec enabled ${altivec-no}"
30e98e62 2236 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2237 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2238 echo "performance report ${powerpc_perf-no}"
2239fi
2240if enabled sparc; then
2241 echo "VIS enabled ${vis-no}"
e41e8342 2242fi
0db2ce77
MR
2243echo "gprof enabled ${gprof-no}"
2244echo "debug symbols ${debug-no}"
87a0fb62 2245echo "strip symbols ${stripping-no}"
8400d6b8 2246echo "optimizations ${optimizations-no}"
0db2ce77
MR
2247echo "static ${static-no}"
2248echo "shared ${shared-no}"
4a24ab64 2249echo "postprocessing support ${postproc-no}"
13ca50f3 2250echo "software scaler enabled ${swscale-no}"
f7679c54 2251echo "new filter support ${avfilter-no}"
81124ba0 2252echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2253echo "video hooking ${vhook-no}"
90be59ef 2254if enabled vhook; then
0db2ce77
MR
2255 echo "Imlib2 support ${imlib2-no}"
2256 echo "FreeType support ${freetype2-no}"
68892110 2257fi
0db2ce77 2258echo "network support ${network-no}"
90be59ef 2259if enabled network; then
0db2ce77 2260 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2261fi
0db2ce77
MR
2262echo "threading support ${thread_type-no}"
2263echo "SDL support ${sdl-no}"
90be59ef 2264if enabled sdl_too_old; then
bfd5afd8
DB
2265 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2266fi
0db2ce77
MR
2267echo "Sun medialib support ${mlib-no}"
2268echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2269echo "libamr-nb support ${libamr_nb-no}"
2270echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2271echo "libdc1394 support ${libdc1394-no}"
690bfceb 2272echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2273echo "libfaac enabled ${libfaac-no}"
2274echo "libfaad enabled ${libfaad-no}"
7e0871a7 2275echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2276echo "libgsm enabled ${libgsm-no}"
2277echo "libmp3lame enabled ${libmp3lame-no}"
2278echo "libnut enabled ${libnut-no}"
9a77d59a 2279echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2280echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2281echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2282echo "libtheora enabled ${libtheora-no}"
2283echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2284echo "libx264 enabled ${libx264-no}"
2285echo "libxvid enabled ${libxvid-no}"
272081b0 2286echo "vdpau enabled ${vdpau-no}"
0db2ce77 2287echo "zlib enabled ${zlib-no}"
f402916e 2288echo "bzlib enabled ${bzlib-no}"
2c62e737 2289echo
de6d9b64 2290
f7679c54 2291for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2292 echo "Enabled ${type}s:"
f65c9da1 2293 eval list=\$$(toupper $type)_LIST
8138b9db 2294 for part in $list; do
f65c9da1
MR
2295 enabled $part && echo ${part%_*}
2296 done | sort | pr -3 -t
2297 echo
8138b9db
RP
2298done
2299
ba321adb
JK
2300license="LGPL"
2301if enabled nonfree; then
2302 license="unredistributable"
2303elif enabled gpl; then
2304 license="GPL"
2305fi
2306
2307echo "License: $license"
ca5323af 2308
cf1392e9
DB
2309echo "Creating config.mak and config.h..."
2310
29799f8b
DB
2311echo "# Automatically generated by configure - do not modify!" > config.mak
2312echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2313echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2314echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2315echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2316echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2317
d921f03f 2318echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2319echo "prefix=$prefix" >> config.mak
22a324da
DB
2320echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2321echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2322echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2323echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2324echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2325echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2326echo "CC=$cc" >> config.mak
304d586d 2327echo "YASM=$yasmexe" >> config.mak
980fc7b8 2328echo "AR=$ar" >> config.mak
be7109c1 2329echo "RANLIB=$ranlib" >> config.mak
20369773 2330echo "LN_S=$ln_s" >> config.mak
87a0fb62 2331enabled stripping &&
3ae3b721 2332 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2333 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2334
a9b3f630 2335echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2336echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2337echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2338echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2339echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2340echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2341echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2342echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2343echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2344echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2345echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2346echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2347echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2348echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2349echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2350echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2351echo "SLIBSUF=$SLIBSUF" >> config.mak
2352echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2353echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2354echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2355echo "HOSTCC=$host_cc" >> config.mak
2356echo "HOSTCFLAGS=$host_cflags" >> config.mak
2357echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2358echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2359echo "TARGET_EXEC=$target_exec" >> config.mak
2360echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2361
90be59ef 2362if enabled bigendian; then
7483e694
DB
2363 echo "WORDS_BIGENDIAN=yes" >> config.mak
2364 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2365fi
44161118 2366
90be59ef 2367if enabled sdl; then
7483e694
DB
2368 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2369 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2370fi
90be59ef 2371if enabled texi2html; then
7483e694 2372 echo "BUILD_DOC=yes" >> config.mak
146ea952 2373fi
5a872801 2374
719c8e00
MR
2375get_version(){
2376 name=$1
2377 file=$source_path/$2
147e7692
MR
2378 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2379 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2380 lcname=$(tolower $name)
2381 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2382 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2383}
2384
147e7692
MR
2385get_version LIBSWSCALE libswscale/swscale.h
2386get_version LIBPOSTPROC libpostproc/postprocess.h
2387get_version LIBAVCODEC libavcodec/avcodec.h
2388get_version LIBAVDEVICE libavdevice/avdevice.h
2389get_version LIBAVFORMAT libavformat/avformat.h
2390get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2391get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2392
5af4e0cc 2393if enabled shared; then
7483e694
DB
2394 echo "BUILD_SHARED=yes" >> config.mak
2395 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2396 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2397 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2398 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2399 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2400 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2401 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2402 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2403 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2404fi
d7e27559 2405echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2406echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2407
7b5e8a27
DB
2408echo "ARCH=$arch" >> config.mak
2409
3d907e22
MR
2410print_config ARCH_ $TMPH config.mak $ARCH_LIST
2411print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2412print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2413 $CONFIG_EXTRA \
7483e694
DB
2414 $DECODER_LIST \
2415 $ENCODER_LIST \
2416 $PARSER_LIST \
2417 $BSF_LIST \
2418 $DEMUXER_LIST \
2419 $MUXER_LIST \
f7679c54 2420 $FILTER_LIST \
7483e694
DB
2421 $PROTOCOL_LIST \
2422 $INDEV_LIST \
2423 $OUTDEV_LIST \
8ac17293 2424
c13e1abd
FH
2425echo "#define restrict $_restrict" >> $TMPH
2426
bd2216e4 2427if enabled small; then
7483e694 2428 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2429fi
2430
997baf01
MR
2431echo "SRC_PATH=\"$source_path\"" >> config.mak
2432echo "SRC_PATH_BARE=$source_path" >> config.mak
2433echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2434
8156056e 2435# Apparently it's not possible to portably echo a backslash.
3ae3b721 2436enabled asmalign_pot &&
7483e694 2437 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2438 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2439
b4d96ba2 2440echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2441
9c05103f
DB
2442echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2443
b7860763 2444# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2445cmp -s $TMPH config.h &&
2446 echo "config.h is unchanged" ||
2447 mv -f $TMPH config.h
3d204385 2448
cea0ac52 2449rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2450
165af439 2451# build tree in object directory if source path is different from current one
90be59ef 2452if enabled source_path_used; then
165af439 2453 DIRS="\
7483e694
DB
2454 doc \
2455 libavcodec \
2456 libavcodec/alpha \
a2fc0f6a 2457 libavcodec/arm \
7483e694 2458 libavcodec/bfin \
7483e694
DB
2459 libavcodec/mlib \
2460 libavcodec/ppc \
2461 libavcodec/sh4 \
2462 libavcodec/sparc \
a6493a8f 2463 libavcodec/x86 \
52a9cf34 2464 libavdevice \
f7679c54 2465 libavfilter \
7483e694
DB
2466 libavformat \
2467 libavutil \
2468 libpostproc \
2469 libswscale \
2470 tests \
2471 tools \
2472 vhook \
2473 "
165af439 2474 FILES="\
7483e694
DB
2475 Makefile \
2476 common.mak \
71c61f62 2477 subdir.mak \
7483e694
DB
2478 doc/texi2pod.pl \
2479 libavcodec/Makefile \
52a9cf34 2480 libavdevice/Makefile \
f7679c54 2481 libavfilter/Makefile \
7483e694
DB
2482 libavformat/Makefile \
2483 libavutil/Makefile \
2484 libpostproc/Makefile \
2485 libswscale/Makefile \
2486 "
165af439 2487 for dir in $DIRS ; do
7483e694 2488 mkdir -p $dir
165af439
MR
2489 done
2490 for f in $FILES ; do
20369773 2491 $ln_s "$source_path/$f" $f
165af439
MR
2492 done
2493fi
def4272a 2494
def4272a 2495
d0674868 2496# build pkg-config files
def4272a 2497
d0674868
DB
2498pkgconfig_generate(){
2499name=$1
b0dfd108 2500shortname=${name#lib}${build_suffix}
d0674868
DB
2501comment=$2
2502version=$3
2503libs=$4
2504requires=$5
25cd5cb3 2505cat <<EOF > $name/$name.pc
3e89171a 2506prefix=$prefix
a94e666c 2507exec_prefix=\${prefix}
f2b7382c 2508libdir=$libdir
7622778e 2509includedir=$incdir
def4272a 2510
d0674868
DB
2511Name: $name
2512Description: $comment
2513Version: $version
5dcfe9f8
AH
2514Requires: $(disabled shared && echo $requires)
2515Requires.private: $(enabled shared && echo $requires)
def4272a 2516Conflicts:
12701f6e
AH
2517Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2518Libs.private: $(enabled shared && echo $libs)
76a448ed 2519Cflags: -I\${includedir}
def4272a 2520EOF
25cd5cb3 2521cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2522prefix=
2523exec_prefix=
46d1ff83 2524libdir=\${pcfiledir}
1d44d365 2525includedir=${source_path}
def4272a 2526
d0674868
DB
2527Name: $name
2528Description: $comment
2529Version: $version
2530Requires: $requires
def4272a 2531Conflicts:
12701f6e 2532Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2533Cflags: -I\${includedir}
2534EOF
d0674868 2535}
def4272a 2536
e426941d 2537pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2538pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2539pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2540pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2541enabled avfilter &&
46983309 2542 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2543enabled postproc &&
e426941d 2544 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2545if enabled swscale; then
e426941d 2546 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2547else
46983309 2548 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2549 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2550fi