Add a Changelog entry for the ALSA stuff.
[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(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
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
cde2d79a
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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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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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DB
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]"
68178ca9 94 echo " --enable-xvmc enable XvMC support [no]"
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DB
95 echo " --disable-network disable network support [no]"
96 echo " --disable-ipv6 disable IPv6 support [no]"
97 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
98 echo " --enable-gray enable full grayscale support (slower color)"
99 echo " --disable-fastdiv disable table-based division"
100 echo " --enable-small optimize for size instead of speed"
101 echo " --disable-aandct disable AAN DCT code"
102 echo " --disable-fft disable FFT code"
103 echo " --disable-golomb disable Golomb code"
104 echo " --disable-mdct disable MDCT code"
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]"
27cb5cbc
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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]"
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DB
161 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
162 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
163 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 164 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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DB
165 echo " native implementation exists [no]"
166 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 167 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 168 echo " native MPEG-4/Xvid encoder exists [no]"
732c9a34 169 echo " --enable-mlib enable Sun medialib [no]"
27cb5cbc 170 echo " --enable-zlib enable zlib [autodetect]"
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171 echo ""
172 echo "Advanced options (experts only):"
173 echo " --source-path=PATH path to source code [$source_path]"
174 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 175 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 176 echo " --target-os=OS compiler targets OS [$target_os]"
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177 echo " --target-exec=CMD command to run executables on target"
178 echo " --target-path=DIR path to view of build directory on target"
89641463 179 echo " --nm=NM use nm tool"
15396d5c 180 echo " --cc=CC use C compiler CC [$cc_default]"
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181 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
182 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
183 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
184 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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185 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
186 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
187 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 188 echo " --extra-version=STRING version string suffix []"
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DB
189 echo " --build-suffix=SUFFIX library name suffix []"
190 echo " --arch=ARCH select architecture [$arch]"
191 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 192 echo " instruction selection, may crash on older CPUs)"
2b4c3615 193 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 194 echo " (requires enabling PMC)"
4f50c3d5 195 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 196 echo " --disable-amd3dnow disable 3DNow! optimizations"
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DB
197 echo " --disable-mmx disable MMX optimizations"
198 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 199 echo " --disable-sse disable SSE optimizations"
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DB
200 echo " --disable-ssse3 disable SSSE3 optimizations"
201 echo " --disable-armv5te disable armv5te optimizations"
202 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 203 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 204 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 205 echo " --disable-iwmmxt disable iwmmxt optimizations"
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DB
206 echo " --disable-mmi disable MMI optimizations"
207 echo " --disable-neon disable neon optimizations"
208 echo " --disable-vis disable VIS optimizations"
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209 echo
210 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 211 echo " --disable-debug disable debugging symbols"
b7d49373 212 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 213 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 214 echo " --disable-optimizations disable compiler optimizations"
0a622b98 215 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 216 echo " --disable-stripping disable stripping of executables and shared libraries"
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217 echo ""
218 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 219 exit 0
74c53c2d 220}
cf9d24ad 221
57bd82d4 222log(){
2270b4b2 223 echo "$@" >> $logfile
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224}
225
720c69da 226log_file(){
c8e9f801 227 log BEGIN $1
2270b4b2 228 pr -n -t $1 >> $logfile
c8e9f801
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229 log END $1
230}
231
2ba042a7 232echolog(){
c8e9f801 233 log "$@"
57bd82d4 234 echo "$@"
2ba042a7
MR
235}
236
237die(){
238 echolog "$@"
239 cat <<EOF
240If you think configure made a mistake, make sure you are using the latest
241version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 242ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 243EOF
e155a21a 244 if disabled logging; then
2ba042a7 245 cat <<EOF
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DB
246Rerun configure with logging enabled (do not use --disable-logging), and
247include the log this produces with your report.
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248EOF
249 else
250cat <<EOF
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251Include the log file "$logfile" produced by configure as this will help
252solving the problem.
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253EOF
254 fi
cea0ac52 255 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
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256 exit 1
257}
258
6c6007d6 259# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 260toupper(){
6c6007d6 261 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
262}
263
4a5444db 264tolower(){
6c6007d6 265 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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266}
267
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268c_escape(){
269 echo "$*" | sed 's/["\\]/\\\0/g'
270}
271
a8d04fba
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272set_all(){
273 value=$1
274 shift
275 for var in $*; do
276 eval $var=$value
277 done
278}
279
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280set_weak(){
281 value=$1
282 shift
283 for var; do
284 eval : \${$var:=$value}
285 done
286}
287
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288pushvar(){
289 for var in $*; do
290 eval level=\${${var}_level:=0}
291 eval ${var}_${level}="\$$var"
292 eval ${var}_level=$(($level+1))
293 done
294}
295
296popvar(){
297 for var in $*; do
298 eval level=\${${var}_level:-0}
299 test $level = 0 && continue
300 eval level=$(($level-1))
301 eval $var="\${${var}_${level}}"
302 eval ${var}_level=$level
303 eval unset ${var}_${level}
304 done
305}
306
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307enable(){
308 set_all yes $*
309}
310
311disable(){
312 set_all no $*
313}
314
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315enable_weak(){
316 set_weak yes $*
317}
318
319disable_weak(){
320 set_weak no $*
321}
322
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MR
323do_enable_deep(){
324 for var; do
325 enabled $var && continue
326 eval sel="\$${var}_select"
c510c7b5
MR
327 eval sgs="\$${var}_suggest"
328 pushvar var sgs
f9d328da 329 enable_deep $sel
c510c7b5
MR
330 popvar sgs
331 enable_deep_weak $sgs
f9d328da
MR
332 popvar var
333 done
334}
335
336enable_deep(){
337 do_enable_deep $*
338 enable $*
339}
340
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341enable_deep_weak(){
342 do_enable_deep $*
343 enable_weak $*
344}
345
57bd82d4 346enabled(){
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MR
347 test "${1#!}" = "$1" && op== || op=!=
348 eval test "x\$${1#!}" $op "xyes"
44161118
MR
349}
350
37970ebf 351disabled(){
3250003c
MR
352 test "${1#!}" = "$1" && op== || op=!=
353 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
354}
355
44161118
MR
356enabled_all(){
357 for opt; do
358 enabled $opt || return 1
359 done
360}
361
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DB
362disabled_all(){
363 for opt; do
364 disabled $opt || return 1
365 done
366}
367
44161118
MR
368enabled_any(){
369 for opt; do
370 enabled $opt && return 0
371 done
372}
373
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DB
374disabled_any(){
375 for opt; do
376 disabled $opt && return 0
377 done
f7b230a7 378 return 1
85bca2c5
DB
379}
380
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MR
381set_default(){
382 for opt; do
88268e94 383 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
384 done
385}
386
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387is_in(){
388 value=$1
389 shift
390 for var in $*; do
391 [ $var = $value ] && return 0
392 done
393 return 1
394}
395
30fd06be
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396check_deps(){
397 for cfg; do
3250003c 398 cfg="${cfg#!}"
799c9e9b
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399 enabled ${cfg}_checking && die "Circular dependency for $cfg."
400 disabled ${cfg}_checking && continue
401 enable ${cfg}_checking
402
30fd06be
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403 eval dep_all="\$${cfg}_deps"
404 eval dep_any="\$${cfg}_deps_any"
7ef3425f 405 eval dep_sel="\$${cfg}_select"
c510c7b5 406 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 407
c510c7b5
MR
408 pushvar cfg dep_all dep_any dep_sel dep_sgs
409 check_deps $dep_all $dep_any $dep_sel $dep_sgs
410 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 411
6a702d4c
MR
412 enabled_all $dep_all || disable $cfg
413 enabled_any $dep_any || disable $cfg
7ef3425f 414 disabled_any $dep_sel && disable $cfg
799c9e9b 415
4ec45764
RP
416 if enabled $cfg; then
417 eval dep_extralibs="\$${cfg}_extralibs"
418 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 419 enable_deep $dep_sel
c510c7b5 420 enable_deep_weak $dep_sgs
4ec45764
RP
421 fi
422
799c9e9b 423 disable ${cfg}_checking
30fd06be
MR
424 done
425}
426
44161118
MR
427print_config(){
428 pfx=$1
429 header=$2
430 makefile=$3
431 shift 3
432 for cfg; do
3d907e22 433 ucname="`toupper $cfg`"
44161118 434 if enabled $cfg; then
3d907e22 435 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
436 echo "${pfx}${ucname}=yes" >> $makefile
437 else
b250f9c6 438 echo "#define ${pfx}${ucname} 0" >> $header
44161118
MR
439 fi
440 done
57bd82d4
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441}
442
443flags_saved(){
2270b4b2 444 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
445}
446
dcd479c0 447save_flags(){
57bd82d4 448 flags_saved && return
dcd479c0
MR
449 SAVE_CFLAGS="$CFLAGS"
450 SAVE_LDFLAGS="$LDFLAGS"
451 SAVE_extralibs="$extralibs"
452}
453
454restore_flags(){
f5d28d10 455 flags_saved || return
dcd479c0
MR
456 CFLAGS="$SAVE_CFLAGS"
457 LDFLAGS="$SAVE_LDFLAGS"
458 extralibs="$SAVE_extralibs"
459 unset SAVE_CFLAGS
460 unset SAVE_LDFLAGS
461 unset SAVE_extralibs
462}
463
464temp_cflags(){
465 save_flags
466 CFLAGS="$CFLAGS $*"
467}
468
469temp_ldflags(){
470 save_flags
471 LDFLAGS="$LDFLAGS $*"
472}
473
474temp_extralibs(){
475 save_flags
476 extralibs="$extralibs $*"
477}
478
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MR
479append(){
480 var=$1
481 shift
482 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
483 eval "$var=\"\$$var $*\""
484}
485
486add_cflags(){
487 append CFLAGS "$@"
488}
489
490add_ldflags(){
491 append LDFLAGS "$@"
492}
493
494add_extralibs(){
495 append extralibs "$@"
496}
497
b0cfb663 498check_cmd(){
b3cb5d51 499 log "$@"
2270b4b2 500 "$@" >> $logfile 2>&1
b0cfb663
MR
501}
502
dcd479c0 503check_cc(){
57bd82d4 504 log check_cc "$@"
2270b4b2 505 cat > $TMPC
720c69da 506 log_file $TMPC
b0cfb663 507 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
508}
509
510check_cpp(){
511 log check_cpp "$@"
2270b4b2 512 cat > $TMPC
720c69da 513 log_file $TMPC
b0cfb663 514 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
515}
516
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MR
517check_asm(){
518 log check_asm "$@"
519 name="$1"
520 asm="$2"
521 shift 2
522 check_cc "$@" <<EOF && enable $name || disable $name
124c21d7 523void foo(void){ __asm__ volatile($asm); }
940f335a
MR
524EOF
525}
526
304d586d
LM
527check_yasm(){
528 log check_yasm "$@"
529 echo "$1" > $TMPS
530 log_file $TMPS
531 shift 1
532 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
533}
534
dcd479c0 535check_ld(){
57bd82d4 536 log check_ld "$@"
0607887f 537 check_cc || return
3155a644
MR
538 flags=''
539 libs=''
540 for f; do
541 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
542 done
543 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
544}
545
546check_cflags(){
57bd82d4
MR
547 log check_cflags "$@"
548 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
549int x;
550EOF
551}
552
553check_ldflags(){
57bd82d4
MR
554 log check_ldflags "$@"
555 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 556int main(void){ return 0; }
dcd479c0
MR
557EOF
558}
559
560check_header(){
57bd82d4 561 log check_header "$@"
dcd479c0
MR
562 header=$1
563 shift
d8bc5f06
MR
564 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
565 disable $var
566 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
567#include <$header>
568int x;
569EOF
570}
571
572check_func(){
57bd82d4 573 log check_func "$@"
dcd479c0
MR
574 func=$1
575 shift
d8bc5f06
MR
576 disable $func
577 check_ld "$@" <<EOF && enable $func
dcd479c0 578extern int $func();
c23a0ac8 579int main(void){ $func(); }
dcd479c0
MR
580EOF
581}
582
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DB
583check_func_headers(){
584 log check_func_headers "$@"
f8d7b072
MR
585 headers=$1
586 func=$2
587 shift 2
588 disable $func
589 incs=""
590 for hdr in $headers; do
591 incs="$incs
592#include <$hdr>"
593 done
594 check_ld "$@" <<EOF && enable $func
595$incs
d6773f56 596int main(int argc, char **argv){
f8d7b072
MR
597 (void) $func;
598 return 0;
599}
600EOF
601}
602
a5344cf7
SS
603check_cpp_condition(){
604 log check_cpp_condition "$@"
605 header=$1
606 condition=$2
607 check_cpp <<EOF
608#include <$header>
609#if !($condition)
610#error "unsatisfied condition: $condition"
611#endif
612EOF
613}
614
57bd82d4
MR
615check_lib(){
616 log check_lib "$@"
617 header="$1"
618 func="$2"
619 shift 2
fcfcde17
MR
620 temp_extralibs "$@"
621 check_header $header && check_func $func && add_extralibs "$@"
622 err=$?
623 restore_flags
624 return $err
57bd82d4
MR
625}
626
f8d7b072
MR
627check_lib2(){
628 log check_lib2 "$@"
629 headers="$1"
630 func="$2"
631 shift 2
632 temp_extralibs "$@"
2446d3d6 633 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
634 err=$?
635 restore_flags
636 return $err
637}
638
dcd479c0 639check_exec(){
2270b4b2 640 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
641}
642
7dfef245
MR
643check_exec_crash(){
644 code=`cat`
645
646 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
647 # are safe but may not be available everywhere. Thus we use
648 # raise(SIGTERM) instead. The check is run in a subshell so we
649 # can redirect the "Terminated" message from the shell. SIGBUS
650 # is not defined by standard C so it is used conditionally.
651
2270b4b2 652 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
653#include <signal.h>
654static void sighandler(int sig){
655 raise(SIGTERM);
656}
e5af4a11 657int main(void){
7dfef245
MR
658 signal(SIGILL, sighandler);
659 signal(SIGFPE, sighandler);
660 signal(SIGSEGV, sighandler);
661#ifdef SIGBUS
662 signal(SIGBUS, sighandler);
663#endif
664 { $code }
665}
666EOF
667}
668
72be9e73
DY
669check_type(){
670 log check_type "$@"
671 headers=$1
672 type=$2
673 shift 2
674 disable $type
675 incs=""
676 for hdr in $headers; do
677 incs="$incs
678#include <$hdr>"
679 done
680 check_cc "$@" <<EOF && enable $type
681$incs
682$type v;
683EOF
684}
685
57bd82d4
MR
686require(){
687 name="$1"
688 header="$2"
689 func="$3"
690 shift 3
691 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
692}
693
f8d7b072
MR
694require2(){
695 name="$1"
696 headers="$2"
697 func="$3"
698 shift 3
699 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
700}
701
eea50282
MR
702check_foo_config(){
703 cfg=$1
704 pkg=$2
705 header=$3
706 func=$4
707 shift 4
708 disable $cfg
709 check_cmd ${pkg}-config --version
710 err=$?
711 if test "$err" = 0; then
712 temp_cflags `${pkg}-config --cflags`
713 temp_extralibs `${pkg}-config --libs`
714 check_lib "$@" $header $func && enable $cfg
715 fi
716 return $err
717}
718
c505dd31
MR
719apply(){
720 file=$1
721 shift
722 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
723}
724
dcd61286
DB
725# CONFIG_LIST contains configurable options, while HAVE_LIST is for
726# system-dependent things.
727
4a0d6686
AJ
728COMPONENT_LIST="
729 bsfs
730 decoders
731 demuxers
732 encoders
3cde40aa 733 filters
c552605c 734 indevs
4a0d6686 735 muxers
c552605c 736 outdevs
4a0d6686
AJ
737 parsers
738 protocols
739"
740
741CONFIG_LIST="
742 $COMPONENT_LIST
e8ed9b7a 743 aandct
f7679c54
VS
744 avfilter
745 avfilter_lavf
c88f5d72
MR
746 avisynth
747 beos_netserver
f402916e 748 bzlib
27a9466b 749 fastdiv
c88f5d72
MR
750 ffmpeg
751 ffplay
752 ffserver
1848f7d9 753 fft
4f034993 754 golomb
c88f5d72 755 gpl
ecfc4f44 756 gprof
d8d0d0b2 757 gray
3abe5fbd 758 hardcoded_tables
c88f5d72 759 ipv6
f5a756ef
DB
760 libamr_nb
761 libamr_wb
f7b8bffe 762 libdc1394
690bfceb 763 libdirac
2eed5a46
DB
764 libfaac
765 libfaad
766 libfaadbin
c88f5d72 767 libgsm
6ebe07fb 768 libmp3lame
c88f5d72 769 libnut
f7cd9eed 770 libschroedinger
ae14f311 771 libspeex
150d2772 772 libtheora
c88f5d72 773 libvorbis
1cc60c47
DB
774 libx264
775 libxvid
47a158cb 776 mdct
c88f5d72 777 memalign_hack
a8150374 778 mlib
c88f5d72
MR
779 mpegaudio_hp
780 network
3fe142e2 781 nonfree
4a24ab64 782 postproc
2b4c3615 783 powerpc_perf
2e35e684 784 shared
bd2216e4 785 small
2e35e684 786 static
13ca50f3 787 swscale
272081b0 788 vdpau
c88f5d72 789 vhook
56a059ac 790 x11grab
68178ca9 791 xvmc
c88f5d72 792 zlib
4a0d6686 793"
c88f5d72 794
8eee7025
DB
795THREADS_LIST='
796 beosthreads
d22e8442 797 os2threads
8eee7025
DB
798 pthreads
799 w32threads
800'
801
3f5b56e5
MR
802ARCH_LIST='
803 alpha
a2fc0f6a 804 arm
3f5b56e5
MR
805 bfin
806 ia64
807 m68k
808 mips
809 parisc
79cb09b2 810 ppc
3f5b56e5
MR
811 s390
812 sh4
813 sparc
814 sparc64
815 x86
816 x86_32
817 x86_64
818'
819
820ARCH_EXT_LIST='
1ac9331a 821 altivec
3bf96eec 822 amd3dnow
1ac9331a 823 armv5te
edab3048 824 armv6
ab5cb084 825 armv6t2
f55b299a 826 armvfp
3f5b56e5
MR
827 iwmmxt
828 mmi
829 mmx
d7f0920b 830 mmx2
6b18d278 831 neon
799fde37 832 ppc4xx
1bb04d5a 833 sse
9eeed841 834 ssse3
bd9d34a0 835 vis
3f5b56e5
MR
836'
837
838HAVE_LIST="
839 $ARCH_EXT_LIST
840 $THREADS_LIST
35fd8122 841 alsa_asoundlib_h
3f5b56e5 842 altivec_h
c9fdab0d 843 arpa_inet_h
6bd859d6 844 bswap
ecf97f22 845 closesocket
1ac9331a 846 cmov
e16e49ac 847 conio_h
c88f5d72 848 dcbzl
f8aa696f
DB
849 dev_bktr_ioctl_bt848_h
850 dev_bktr_ioctl_meteor_h
851 dev_ic_bt8xx_h
852 dev_video_meteor_ioctl_meteor_h
853 dev_video_bktr_ioctl_bt848_h
18b67ae5 854 dlfcn_h
c88f5d72 855 dlopen
bc574408 856 dos_paths
245626d0
DB
857 ebp_available
858 ebx_available
c2a29455 859 fast_64bit
7073e9fc 860 fast_cmov
7b829d2a 861 fast_unaligned
9d99cc5a 862 fork
c88f5d72 863 freetype2
da9e86f8 864 gethrtime
4e68cb8a 865 GetProcessTimes
66be5b45 866 getrusage
c88f5d72 867 imlib2
2e1913b1 868 inet_aton
61d251db 869 inline_asm
0b4a1821
AS
870 libdc1394_1
871 libdc1394_2
a33cab3a
MK
872 llrint
873 lrint
c88f5d72 874 lrintf
f8aa696f
DB
875 machine_ioctl_bt848_h
876 machine_ioctl_meteor_h
c88f5d72
MR
877 malloc_h
878 memalign
6ffa87d3 879 mkstemp
b4e806b2 880 pld
1f91cdce 881 posix_memalign
9cafbd6c 882 ppc64
a33cab3a
MK
883 round
884 roundf
c88f5d72
MR
885 sdl
886 sdl_video_size
b507ebd1 887 setmode
72be9e73 888 socklen_t
deb29777 889 soundcard_h
f8cda19e 890 poll_h
b58412f1 891 sys_mman_h
b091aa44 892 sys_resource_h
81644c2e 893 sys_select_h
deb29777 894 sys_soundcard_h
1b6e8b73 895 sys_videoio_h
e16e49ac 896 termios_h
b265431e 897 threads
7b04b8a0 898 truncf
6ff3f3e7 899 winsock2_h
304d586d 900 yasm
0cb78cef 901"
44161118 902
b6bb00b0
MR
903# options emitted with CONFIG_ prefix but not available on command line
904CONFIG_EXTRA="
905 fft_mmx
40b509b3 906 oldscaler
b6bb00b0
MR
907"
908
520cc7f1 909CMDLINE_SELECT="
3f5b56e5 910 $ARCH_EXT_LIST
520cc7f1 911 $CONFIG_LIST
8eee7025 912 $THREADS_LIST
db6107b6 913 cross_compile
520cc7f1
MR
914 debug
915 extra_warnings
8c6afa4d 916 logging
d2bbb2f7 917 optimizations
87a0fb62 918 stripping
520cc7f1 919"
426be5dc
DB
920
921PATHS_LIST='
d156bede 922 bindir
14a8acf1 923 datadir
26759c44
MR
924 incdir
925 libdir
26759c44
MR
926 mandir
927 prefix
928 shlibdir
426be5dc
DB
929'
930
931CMDLINE_SET="
932 $PATHS_LIST
933 arch
934 build_suffix
935 cc
936 cpu
937 cross_prefix
ac63af34 938 extra_version
9da6609f
MR
939 host_cc
940 host_cflags
941 host_ldflags
942 host_libs
426be5dc 943 logfile
89641463 944 nm
26759c44 945 source_path
a7ada2ba 946 target_exec
26759c44 947 target_os
a7ada2ba 948 target_path
426be5dc 949"
520cc7f1 950
912f3148
DB
951# code dependency declarations
952
9eeed841 953# architecture extensions
79cb09b2 954altivec_deps="ppc"
3bf96eec 955amd3dnow_deps="mmx"
a2fc0f6a
MR
956armv5te_deps="arm"
957armv6_deps="arm"
ab5cb084 958armv6t2_deps="arm"
a2fc0f6a
MR
959armvfp_deps="arm"
960iwmmxt_deps="arm"
e241ba14 961mmi_deps="mips"
9eeed841 962mmx_deps="x86"
75aa95a6 963mmx2_deps="mmx"
a2fc0f6a 964neon_deps="arm"
799fde37 965ppc4xx_deps="ppc"
75aa95a6
DB
966sse_deps="mmx"
967ssse3_deps="sse"
bd9d34a0 968vis_deps="sparc"
9eeed841 969
b6bb00b0
MR
970# common features
971fft_suggest="fft_mmx"
972fft_mmx_deps="mmx yasm"
40b509b3 973oldscaler_deps="!swscale"
b6bb00b0 974
912f3148 975# decoders / encoders
47a158cb 976aac_decoder_select="fft mdct"
d8d12c15 977ac3_decoder_deps="gpl"
47a158cb
MR
978ac3_decoder_select="fft mdct"
979atrac3_decoder_select="fft mdct"
4f034993 980cavs_decoder_select="golomb"
47a158cb 981cook_decoder_select="fft mdct"
2eef7c62 982cscd_decoder_suggest="zlib"
47a158cb 983dca_decoder_select="fft mdct"
e8ed9b7a 984dnxhd_encoder_select="aandct"
2eef7c62 985dxa_decoder_select="zlib"
406ab5cc 986eac3_decoder_deps="gpl"
47a158cb 987eac3_decoder_select="fft mdct"
e8ed9b7a 988eatgq_decoder_select="aandct"
4f034993
MR
989ffv1_decoder_select="golomb"
990flac_decoder_select="golomb"
991flac_encoder_select="golomb"
2eef7c62
AJ
992flashsv_decoder_select="zlib"
993flashsv_encoder_select="zlib"
e8ed9b7a
DB
994flv_encoder_select="aandct"
995h261_encoder_select="aandct"
996h263_encoder_select="aandct"
997h263p_encoder_select="aandct"
4f034993 998h264_decoder_select="golomb"
369122dd 999h264_vdpau_decoder_deps="vdpau"
47a158cb 1000imc_decoder_select="fft mdct"
4f034993
MR
1001jpegls_decoder_select="golomb"
1002jpegls_encoder_select="golomb"
e8ed9b7a 1003ljpeg_encoder_select="aandct"
4f034993 1004loco_decoder_select="golomb"
e8ed9b7a
DB
1005mjpeg_encoder_select="aandct"
1006mpeg1video_encoder_select="aandct"
1007mpeg2video_encoder_select="aandct"
1008mpeg4_encoder_select="aandct"
d37edddc 1009mpeg_vdpau_decoder_deps="vdpau"
2b324225 1010mpeg1_vdpau_decoder_deps="vdpau"
68178ca9 1011mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
e8ed9b7a
DB
1012msmpeg4v1_encoder_select="aandct"
1013msmpeg4v2_encoder_select="aandct"
1014msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1015nellymoser_decoder_select="fft mdct"
1016nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1017png_decoder_select="zlib"
1018png_encoder_select="zlib"
47a158cb 1019qdm2_decoder_select="fft mdct"
e8ed9b7a
DB
1020rv10_encoder_select="aandct"
1021rv20_encoder_select="aandct"
4f034993
MR
1022shorten_decoder_select="golomb"
1023sonic_decoder_select="golomb"
1024sonic_encoder_select="golomb"
1025sonic_ls_encoder_select="golomb"
1026svq3_decoder_select="golomb"
bee2eac5 1027svq3_decoder_suggest="zlib"
2eef7c62
AJ
1028tiff_decoder_suggest="zlib"
1029tiff_encoder_suggest="zlib"
1030tscc_decoder_select="zlib"
c5b42f4a 1031vc1_vdpau_decoder_deps="vdpau"
47a158cb
MR
1032vorbis_decoder_select="fft mdct"
1033vorbis_encoder_select="fft mdct"
1034wmav1_decoder_select="fft mdct"
1035wmav1_encoder_select="fft mdct"
1036wmav2_decoder_select="fft mdct"
1037wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1038wmv1_encoder_select="aandct"
1039wmv2_encoder_select="aandct"
c5b42f4a 1040wmv3_vdpau_decoder_deps="vdpau"
2eef7c62
AJ
1041zlib_decoder_select="zlib"
1042zlib_encoder_select="zlib"
1043zmbv_decoder_select="zlib"
1044zmbv_encoder_select="zlib"
30fd06be 1045
912f3148 1046# external libraries
f5a756ef
DB
1047libamr_nb_decoder_deps="libamr_nb"
1048libamr_nb_encoder_deps="libamr_nb"
1049libamr_wb_decoder_deps="libamr_wb"
1050libamr_wb_encoder_deps="libamr_wb"
1b71f045 1051libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1052libdirac_encoder_deps="libdirac"
c9171a83 1053libfaac_encoder_deps="libfaac"
69ddbd1d 1054libfaad_decoder_deps="libfaad"
4ec45764 1055libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1056libgsm_decoder_deps="libgsm"
1057libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1058libgsm_ms_decoder_deps="libgsm"
1059libgsm_ms_encoder_deps="libgsm"
1cc60c47 1060libmp3lame_encoder_deps="libmp3lame"
f7cd9eed
AS
1061libschroedinger_decoder_deps="libschroedinger"
1062libschroedinger_encoder_deps="libschroedinger"
ae14f311 1063libspeex_decoder_deps="libspeex"
150d2772 1064libtheora_encoder_deps="libtheora"
b0caf888 1065libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1066libx264_encoder_deps="libx264"
1067libxvid_encoder_deps="libxvid"
13566c31 1068mpeg4aac_decoder_deps="libfaad"
272081b0 1069vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
30fd06be 1070
912f3148 1071# demuxers / muxers
03a76ba9 1072ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1073alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1074alsa_demuxer_extralibs="-lasound"
1075alsa_muxer_deps="alsa_asoundlib_h"
1076alsa_muxer_extralibs="-lasound"
50383e88 1077audio_beos_demuxer_deps="audio_beos"
4ec45764 1078audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1079audio_beos_muxer_deps="audio_beos"
4ec45764 1080audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1081avisynth_demuxer_deps="avisynth"
73483024 1082bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1083dirac_demuxer_deps="dirac_parser"
fe9bb347 1084dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1085libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1086libnut_demuxer_deps="libnut"
1087libnut_muxer_deps="libnut"
2eef7c62
AJ
1088matroska_demuxer_suggest="zlib bzlib"
1089mov_demuxer_suggest="zlib"
4bd8e17c 1090mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1091oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1092oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1093redir_demuxer_deps="network"
8eb793c4 1094rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1095rtsp_demuxer_deps="sdp_demuxer"
1096sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1097v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1098v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1099vfwcap_demuxer_deps="capCreateCaptureWindow"
1100vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1101x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1102x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1103
912f3148 1104# protocols
c08fb000
AB
1105http_protocol_deps="network"
1106rtp_protocol_deps="udp_protocol"
1107tcp_protocol_deps="network"
1108udp_protocol_deps="network"
1109
f7679c54 1110# filters
81124ba0 1111movie_filter_deps="avfilter_lavf"
f7679c54 1112
912f3148 1113# programs
fa859b4d 1114ffplay_deps="sdl"
6ad42348 1115ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
1116ffserver_extralibs='$ldl'
1117vhook_extralibs='$ldl'
a2830dca 1118
912f3148 1119
de6d9b64 1120# default parameters
8a608357 1121
2ba042a7 1122logfile="config.err"
8a608357
MR
1123
1124# installation paths
c9d19248
MR
1125prefix_default="/usr/local"
1126bindir_default='${prefix}/bin'
14a8acf1 1127datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1128incdir_default='${prefix}/include'
1129libdir_default='${prefix}/lib'
1130mandir_default='${prefix}/share/man'
1131shlibdir_default="$libdir_default"
8a608357
MR
1132
1133# toolchain
11e6d03a 1134ar="ar"
13c7df3d 1135cc_default="gcc"
9da6609f 1136host_cc_default="gcc"
11e6d03a 1137ln_s="ln -sf"
89641463 1138nm_default="nm"
11e6d03a 1139objformat="elf"
be7109c1 1140ranlib="ranlib"
0f3cb305 1141strip="strip"
11e6d03a 1142yasmexe="yasm"
8a608357
MR
1143
1144# machine
cc6a90dd 1145arch=`uname -m`
38d0a8aa 1146cpu="generic"
8a608357 1147
8a608357 1148# OS
4f854758 1149target_os=$(tolower $(uname -s))
8a608357 1150
8a608357 1151# configurable options
497237c7 1152enable debug
497237c7
RP
1153enable ffmpeg
1154enable ffplay
1155enable ffserver
1156enable ipv6
497237c7
RP
1157enable mpegaudio_hp
1158enable network
40b509b3 1159enable oldscaler
8400d6b8 1160enable optimizations
497237c7 1161enable protocols
530dc538 1162enable static
87a0fb62 1163enable stripping
8a608357
MR
1164vhook="default"
1165
8a608357 1166# build settings
11a9d3e8 1167add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1168SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 1169VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 1170FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1171LIBPREF="lib"
1172LIBSUF=".a"
c5f14466
RP
1173FULLNAME='$(NAME)$(BUILDSUF)'
1174LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1175SLIBPREF="lib"
1176SLIBSUF=".so"
c5f14466 1177SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1178SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1179SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1180LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1181
9da6609f
MR
1182host_cflags='-O3 -g -Wall'
1183host_libs='-lm'
1184
a7ada2ba
MR
1185target_path='.'
1186
0d7dca36
DB
1187# gcc stupidly only outputs the basename of targets with -MM, but we need the
1188# full relative path for objects in subdirectories for non-recursive Make.
ec0bd3b9 1189DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
315c741d 1190
c597172e
MR
1191# find source path
1192source_path="`dirname \"$0\"`"
497237c7 1193enable source_path_used
c597172e
MR
1194if test -z "$source_path" -o "$source_path" = "." ; then
1195 source_path="`pwd`"
497237c7 1196 disable source_path_used
c597172e
MR
1197else
1198 source_path="`cd \"$source_path\"; pwd`"
1199 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1200 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1201fi
1202
c597172e
MR
1203FFMPEG_CONFIGURATION="$@"
1204
73ef8980
MR
1205find_things(){
1206 thing=$1
1207 pattern=$2
1208 file=$source_path/$3
932ccf39 1209 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1210}
1211
1212ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1213DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1214PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1215BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1216MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1217DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1218OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1219INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1220PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1221FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1222
7483e694
DB
1223enable $ARCH_EXT_LIST \
1224 $DECODER_LIST \
1225 $ENCODER_LIST \
1226 $PARSER_LIST \
1227 $BSF_LIST \
1228 $DEMUXER_LIST \
1229 $MUXER_LIST \
f7679c54 1230 $FILTER_LIST \
7483e694
DB
1231 $PROTOCOL_LIST \
1232 $INDEV_LIST \
1233 $OUTDEV_LIST \
c597172e
MR
1234
1235die_unknown(){
1236 echo "Unknown option \"$1\"."
1237 echo "See $0 --help for available options."
1238 exit 1
1239}
1240
794f8e97 1241show_list() {
bf0c4afa
RP
1242 suffix=_$1
1243 shift
1244 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1245 exit 0
1246}
1247
c597172e 1248for opt do
7483e694
DB
1249 optval="${opt#*=}"
1250 case "$opt" in
0f010b2f 1251 --extra-cflags=*) add_cflags $optval
7483e694 1252 ;;
0f010b2f 1253 --extra-ldflags=*) add_ldflags $optval
7483e694 1254 ;;
0f010b2f 1255 --extra-libs=*) add_extralibs $optval
7483e694 1256 ;;
8fb1cb58 1257 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1258 ;;
40bcf4c7
BL
1259 --enable-debug=*) debuglevel="$optval"
1260 ;;
7483e694
DB
1261 --enable-*=*|--disable-*=*)
1262 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1263 case "$thing" in
81124ba0 1264 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1265 *) die_unknown "$opt" ;;
1266 esac
1267 ;;
1268 --enable-?*|--disable-?*)
1269 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1270 if is_in $option $COMPONENT_LIST; then
1271 eval $action \$$(toupper ${option%s})_LIST
1272 elif is_in $option $CMDLINE_SELECT; then
1273 $action $option
1274 else
1275 die_unknown $opt
1276 fi
7483e694
DB
1277 ;;
1278 --list-*)
1279 NAME="${opt#--list-}"
1280 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1281 NAME=${NAME%s}
1282 eval show_list $NAME \$$(toupper $NAME)_LIST
1283 ;;
1284 --help|-h) show_help
1285 ;;
1286 *)
884a36a7 1287 optname="${opt%%=*}"
26759c44
MR
1288 optname="${optname#--}"
1289 optname=$(echo "$optname" | sed 's/-/_/g')
1290 is_in $optname $CMDLINE_SET || die_unknown $opt
1291 eval $optname='$optval'
7483e694
DB
1292 ;;
1293 esac
c597172e
MR
1294done
1295
bcea99bb
MR
1296disabled logging && logfile=/dev/null
1297
1298echo "# $0 $@" > $logfile
1299set >> $logfile
1300
9da6609f
MR
1301test -n "$cross_prefix" && enable cross_compile
1302
adb2b908 1303ar="${cross_prefix}${ar}"
11e6d03a 1304cc_default="${cross_prefix}${cc_default}"
20e0ed95 1305nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1306ranlib="${cross_prefix}${ranlib}"
1307strip="${cross_prefix}${strip}"
1308
89641463 1309set_default cc nm
9da6609f
MR
1310enabled cross_compile || host_cc_default=$cc
1311set_default host_cc
13c7df3d 1312
e4e69e0b 1313# set temporary file name
a49d42c2 1314: ${TMPDIR:=$TEMPDIR}
c51fafa1 1315: ${TMPDIR:=$TMP}
a49d42c2 1316: ${TMPDIR:=/tmp}
e4e69e0b 1317
a49d42c2
MR
1318TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1319TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1320TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1321TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1322TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1323TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
e4e69e0b 1324
e9b9a2f8
MN
1325check_cflags -std=c99
1326
b24dbcbd
RP
1327case "$arch" in
1328 i386|i486|i586|i686|i86pc|BePC)
62045d48
DB
1329 arch="x86"
1330 subarch="x86_32"
b24dbcbd
RP
1331 enable fast_unaligned
1332 ;;
1333 x86_64|amd64)
62045d48
DB
1334 arch="x86"
1335 subarch="x86_32"
34b37f86
DM
1336 enable cmov
1337 enable fast_cmov
b24dbcbd 1338 enable fast_unaligned
62045d48 1339 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
b24dbcbd
RP
1340 int test[sizeof(char*) - 7];
1341EOF
1342 ;;
b24dbcbd 1343 arm|armv[4567]*l)
a2fc0f6a 1344 arch="arm"
b24dbcbd
RP
1345 ;;
1346 alpha)
1347 arch="alpha"
1348 enable fast_64bit
c0a02a3e 1349 check_cflags -mieee
b24dbcbd
RP
1350 ;;
1351 "Power Macintosh"|ppc|powerpc)
79cb09b2 1352 arch="ppc"
aa8bc0f1 1353 enable fast_unaligned
b24dbcbd
RP
1354 ;;
1355 ppc64)
79cb09b2 1356 arch="ppc"
b24dbcbd 1357 enable fast_64bit
aa8bc0f1 1358 enable fast_unaligned
b24dbcbd 1359 ;;
de3a1240 1360 mips|mipsel|IP*)
b24dbcbd
RP
1361 arch="mips"
1362 ;;
de3a1240
DB
1363 mips64)
1364 arch="mips"
1365 enable fast_64bit
1366 ;;
b24dbcbd 1367 sun4u|sparc64)
62045d48
DB
1368 arch="sparc"
1369 subarch="sparc64"
b24dbcbd
RP
1370 enable fast_64bit
1371 ;;
1372 sparc)
1373 arch="sparc"
1374 ;;
61597a98 1375 sh4|sh)
b24dbcbd
RP
1376 arch="sh4"
1377 ;;
61597a98 1378 parisc|hppa)
b24dbcbd
RP
1379 arch="parisc"
1380 ;;
61597a98 1381 parisc64|hppa64)
b24dbcbd
RP
1382 arch="parisc"
1383 enable fast_64bit
1384 ;;
1385 s390|s390x)
1386 arch="s390"
1387 ;;
1388 m68k)
1389 arch="m68k"
1390 ;;
1391 ia64)
1392 arch="ia64"
1393 enable fast_64bit
1394 ;;
1395 bfin)
1396 arch="bfin"
1397 ;;
1398 *)
1399 arch="unknown"
1400 ;;
1401esac
1402
62045d48 1403enable $arch $subarch
b24dbcbd 1404
7483e694 1405# OS specific
4f854758 1406case $target_os in
7483e694 1407 beos|haiku|zeta)
c9d19248 1408 prefix_default="$HOME/config"
7483e694 1409 # helps building libavcodec
0f010b2f 1410 add_cflags -DPIC -fomit-frame-pointer
7483e694
DB
1411 # 3 gcc releases known for BeOS, each with ugly bugs
1412 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1413 case "$gcc_version" in
1414 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1415 disable mmx
1416 ;;
1417 *20010315*) echo "BeBits gcc"
0f010b2f 1418 add_cflags -fno-expensive-optimizations
7483e694
DB
1419 ;;
1420 esac
7483e694
DB
1421 SHFLAGS=-nostart
1422 # enable BeOS things
1423 enable audio_beos
1424 # no need for libm, but the inet stuff
1425 # Check for BONE
1426 # XXX: actually should check for NOT net_server
78fe7631 1427 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1428 network_extralibs="-lbind -lsocket"
1429 else
1430 enable beos_netserver
1431 network_extralibs="-lnet"
1432 fi ;;
1433 sunos)
1434 FFSERVERLDFLAGS=""
9987769a 1435 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1436 network_extralibs="-lsocket -lnsl"
e193c74e 1437 add_cflags -D__EXTENSIONS__
7483e694
DB
1438 ;;
1439 netbsd)
1440 oss_demuxer_extralibs="-lossaudio"
1441 oss_muxer_extralibs="-lossaudio"
1442 ;;
1443 openbsd)
1444 disable need_memalign
1445 LIBOBJFLAGS='$(PIC)'
7483e694 1446 SHFLAGS='-shared'
7483e694
DB
1447 oss_demuxer_extralibs="-lossaudio"
1448 oss_muxer_extralibs="-lossaudio"
1449 ;;
1450 freebsd)
1451 disable need_memalign
1452 ;;
1453 bsd/os)
1454 osextralibs="-lpoll -lgnugetopt"
1455 strip="strip -d"
1456 ;;
1457 darwin)
1458 disable need_memalign
0138c54e 1459 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1460 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1461 strip="strip -x"
1462 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1463 SLIBSUF=".dylib"
1464 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1465 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1466 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1467 objformat="macho"
1b0f6fb8 1468 enabled x86_64 && objformat="macho64"
7483e694
DB
1469 ;;
1470 mingw32*)
4f854758 1471 target_os=mingw32
dcc01c06 1472 LIBTARGET=i386
1fc9fb8a 1473 if enabled x86_64; then
dcc01c06
RP
1474 disable need_memalign
1475 LIBTARGET=x64
1476 fi
fbd971a4 1477 shlibdir_default="$bindir_default"
7483e694
DB
1478 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1479 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1480 if enabled swscale; then
7483e694
DB
1481 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1482 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1483 fi
1484 disable ffserver
1485 SLIBPREF=""
1486 SLIBSUF=".dll"
1487 EXESUF=".exe"
1488 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1489 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1490 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1491 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1492 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1493 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1494 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1495 objformat="win32"
bc574408 1496 enable dos_paths
a85de417
SS
1497 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1498 die "ERROR: MinGW runtime version must be >= 3.15."
1499 enabled_any avisynth vfwcap_demuxer &&
bc4b7221
RP
1500 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1501 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
7483e694
DB
1502 ;;
1503 cygwin*)
4f854758 1504 target_os=cygwin
fbd971a4 1505 shlibdir_default="$bindir_default"
7483e694
DB
1506 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1507 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1508 if enabled swscale; then
7483e694
DB
1509 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1510 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1511 fi
1512 EXESUF=".exe"
1513 SLIBPREF="cyg"
1514 SLIBSUF=".dll"
1515 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1516 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1517 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1518 objformat="win32"
bc574408 1519 enable dos_paths
7483e694 1520 ;;
4f365f37 1521 *-dos|freedos|opendos)
4f365f37
MK
1522 disable ffplay ffserver vhook
1523 disable $INDEV_LIST $OUTDEV_LIST
1524 network_extralibs="-lsocket"
1525 EXESUF=".exe"
ff1c015d 1526 objformat="coff"
bc574408 1527 enable dos_paths
4f365f37 1528 ;;
7483e694 1529 linux)
7483e694
DB
1530 enable dv1394
1531 ;;
1532 irix*)
4f854758 1533 target_os=irix
7483e694
DB
1534 ranlib="echo ignoring ranlib"
1535 ;;
d22e8442 1536 os/2*)
d22e8442
DY
1537 strip="lxlite"
1538 ln_s="cp -f"
d22e8442
DY
1539 EXESUF=".exe"
1540 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1541 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1542 FFSERVERLDFLAGS=""
287d3b13 1543 LIBSUF="_s.a"
d22e8442
DY
1544 SLIBPREF=""
1545 SLIBSUF=".dll"
1546 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1547 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1548 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1549 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1550 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1551 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1552 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1553 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1554 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1555 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1556 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1557 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1558 disable vhook
bc574408 1559 enable dos_paths
d22e8442 1560 ;;
269820f1
PR
1561 interix)
1562 disable vhook
1563 ;;
d22e8442 1564
7483e694 1565 *)
4f854758 1566 target_os="${target_os}-UNKNOWN"
7483e694
DB
1567 ;;
1568esac
1569
c9d19248
MR
1570set_default $PATHS_LIST
1571
c597172e 1572add_extralibs $osextralibs
de6d9b64 1573
28d8e661
DB
1574# Combine FFLDFLAGS and the LDFLAGS environment variable.
1575LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1576
320d060a 1577# we need to build at least one lib type
93b3c083 1578if ! enabled_any static shared; then
320d060a
DB
1579 cat <<EOF
1580At least one library type must be built.
1581Specify --enable-static to build the static libraries or --enable-shared to
1582build the shared libraries as well. To only build the shared libraries specify
1583--disable-static in addition to --enable-shared.
1584EOF
1585 exit 1;
1586fi
1587
abc4e572 1588disabled static && LIBNAME=""
2a320695 1589
a2234ceb
RP
1590if enabled_any libfaad libfaadbin ; then
1591 if check_header faad.h; then
295b8c70 1592 check_cc <<EOF
a2234ceb
RP
1593#include <faad.h>
1594#ifndef FAAD2_VERSION
1595ok faad1
1596#endif
db817cf3 1597int main(void) { return 0; }
a2234ceb
RP
1598EOF
1599 test $? = 0 && enable libfaad2
1600 else
ff3dac65 1601 die "FAAD test failed."
a2234ceb
RP
1602 fi
1603fi
1604
1605
93b3c083 1606if ! enabled gpl; then
54118497
RP
1607 die_gpl_disabled(){
1608 name=$1
1609 shift
1610 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1611 }
4a24ab64 1612 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1613 die_gpl_disabled "libx264" libx264
1614 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1615 die_gpl_disabled "FAAD2" libfaad2
1616 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1617 die_gpl_disabled "The software scaler" swscale
ebb810d9 1618fi
b2e3c528 1619
3fe142e2
DB
1620if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1621 die "libamr is nonfree and --enable-nonfree is not specified."
1622fi
1623
9eeed841 1624check_deps $ARCH_EXT_LIST
0f3cb305 1625
5d323602
MR
1626test -z "$need_memalign" && need_memalign="$mmx"
1627
cf9d24ad 1628#Darwin CC versions
4f854758 1629if test $target_os = darwin; then
3dddba4b 1630 if $cc -v 2>&1 | grep -q xlc; then
0f010b2f 1631 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1632 else
0f010b2f
DB
1633 add_cflags -pipe
1634 check_cflags -force_cpusubtype_ALL
1635 check_cflags -Wno-sign-compare
f946a9a4 1636 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1637 fi
2a1a6b64
MN
1638fi
1639
40617a6d 1640disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1641
a4adb608 1642# Add processor-specific flags
38d0a8aa 1643if test $cpu != "generic"; then
bc8ec47b
MR
1644 warn_altivec(){
1645 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1646 }
38d0a8aa 1647 case $cpu in
bb270c08 1648 601|ppc601|PowerPC601)
0f010b2f 1649 add_cflags -mcpu=601
bc8ec47b 1650 warn_altivec enabled PPC601
bb270c08
DB
1651 ;;
1652 603*|ppc603*|PowerPC603*)
0f010b2f 1653 add_cflags -mcpu=603
bc8ec47b 1654 warn_altivec enabled PPC603
bb270c08
DB
1655 ;;
1656 604*|ppc604*|PowerPC604*)
0f010b2f 1657 add_cflags -mcpu=604
bc8ec47b 1658 warn_altivec enabled PPC604
bb270c08
DB
1659 ;;
1660 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1661 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1662 warn_altivec enabled PPC75x
bb270c08
DB
1663 ;;
1664 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1665 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1666 warn_altivec disabled PPC745x
bb270c08
DB
1667 ;;
1668 74*|ppc74*|PowerPC74*)
0f010b2f 1669 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1670 warn_altivec disabled PPC74xx
bb270c08
DB
1671 ;;
1672 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1673 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1674 warn_altivec disabled PPC970
9cafbd6c 1675 enable ppc64
bb270c08 1676 ;;
e07e357d 1677 Cell|CELL|cell)
0f010b2f 1678 add_cflags -mcpu=cell
e07e357d 1679 warn_altivec disabled Cell
9cafbd6c 1680 enable ppc64
e07e357d 1681 ;;
e7768fc5
GP
1682 # targets that do NOT support conditional mov (cmov)
1683 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1684 add_cflags -march=$cpu
497237c7 1685 disable cmov
e7768fc5
GP
1686 ;;
1687 # targets that do support conditional mov (cmov)
416519dd 1688 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1689 add_cflags -march=$cpu
497237c7
RP
1690 enable cmov
1691 enable fast_cmov
94e4c3a3
GP
1692 ;;
1693 # targets that do support conditional mov but on which it's slow
800a5a19 1694 pentium4|pentium4m|prescott|nocona)
0f010b2f 1695 add_cflags -march=$cpu
497237c7
RP
1696 enable cmov
1697 disable fast_cmov
bb270c08 1698 ;;
d7b34d08 1699 sparc64)
0f010b2f 1700 add_cflags -mcpu=v9
d7b34d08 1701 ;;
f2e49553 1702 arm11*|cortex*)
0f010b2f 1703 add_cflags -mcpu=$cpu
f2e49553
MR
1704 enable fast_unaligned
1705 ;;
0223bd6f 1706 armv*)
0f010b2f 1707 add_cflags -march=$cpu
0223bd6f 1708 ;;
f2e49553 1709 arm*)
0f010b2f 1710 add_cflags -mcpu=$cpu
6b19786b 1711 ;;
1cd11856
MR
1712 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1713 add_cflags -mcpu=$cpu
1714 ;;
bb270c08 1715 *)
7483e694 1716 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1717 ;;
a4adb608
MN
1718 esac
1719fi
1720
be0d52ab 1721# make sure we can execute files in $TMPDIR
2270b4b2 1722cat > $TMPSH 2>> $logfile <<EOF
be0d52ab
MR
1723#! /bin/sh
1724EOF
2270b4b2
DB
1725chmod +x $TMPSH >> $logfile 2>&1
1726if ! $TMPSH >> $logfile 2>&1; then
be0d52ab 1727 cat <<EOF
a49d42c2
MR
1728Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1729variable to another directory and make sure that it is not mounted noexec.
be0d52ab
MR
1730EOF
1731 die "Sanity test failed."
1732fi
edd08265 1733rm $TMPSH
be0d52ab 1734
1a268acc
MR
1735# compiler sanity check
1736check_exec <<EOF
c23a0ac8 1737int main(void){ return 0; }
1a268acc
MR
1738EOF
1739if test "$?" != 0; then
1740 echo "$cc is unable to create an executable file."
93b3c083 1741 if test -z "$cross_prefix" && ! enabled cross_compile ; then
db6107b6 1742 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
c7ae6345 1743 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1744 fi
1745 die "C compiler test failed."
1746fi
1747
b4d96ba2
MR
1748check_cc <<EOF || die "Symbol mangling check failed."
1749int ff_extern;
1750EOF
2f05d9c1 1751sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1752extern_prefix=${sym%%ff_extern*}
1753
61d251db
MR
1754check_asm inline_asm '""'
1755
9eeed841 1756if enabled x86; then
44965991
PI
1757 # check whether EBP is available on x86
1758 # As 'i' is stored on the stack, this program will crash
1759 # if the base pointer is used to access it because the
1760 # base pointer is cleared in the inline assembly code.
7dfef245 1761 check_exec_crash <<EOF && enable ebp_available
44965991 1762 volatile int i=0;
be449fca 1763 __asm__ volatile (
44965991
PI
1764 "xorl %%ebp, %%ebp"
1765 ::: "%ebp");
1766 return i;
44965991
PI
1767EOF
1768
1769 # check wether EBX is available on x86
940f335a 1770 check_asm ebx_available '"":::"%ebx"'
8e380710 1771
d7f0920b 1772 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1773 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1774 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1775
1776 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1777
d52481b9 1778 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1779 enabled x86_64 && append YASMFLAGS "-m amd64"
1780 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1781 case "$objformat" in
1782 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1783 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1784 *) append YASMFLAGS "-DPREFIX" ;;
1785 esac
1786 check_yasm "pabsw xmm0, xmm0" && enable yasm
44965991
PI
1787fi
1788
87ea51e0
LB
1789# check for assembler specific support
1790
5b6c2cbd 1791enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1792enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1793
57bd82d4
MR
1794# check for SIMD availability
1795
115329f1 1796# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1797if enabled altivec; then
3ed1a2ee
DB
1798 check_cflags -maltivec -mabi=altivec &&
1799 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1800 check_cflags -faltivec
b6e52719 1801
0182fee8 1802 # check if our compiler supports Motorola AltiVec C API
497237c7 1803 check_cc <<EOF || disable altivec
dcd479c0 1804$inc_altivec_h
a9a07762
MN
1805int main(void) {
1806 vector signed int v1, v2, v3;
1807 v1 = vec_add(v2,v3);
1808 return 0;
1809}
1810EOF
b006b26c
DB
1811
1812 # check if our compiler supports braces for vector declarations
80a61f08 1813 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1814$inc_altivec_h
80a61f08 1815int main (void) { (vector int) {1}; return 0; }
b006b26c 1816EOF
a9a07762 1817fi
ab6c65f6 1818
b4e806b2 1819# We have to check if pld is a nop and disable it.
a2fc0f6a 1820enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1821enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1822enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1823enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1824enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1825enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1826enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1827enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1828enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1829
0f010b2f 1830enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1831
57bd82d4
MR
1832# ---
1833# big/little-endian test
9eebe687
MR
1834check_cc <<EOF || die "endian test failed"
1835unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1836EOF
d04d9e16 1837od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1838
a3999908 1839# ---
3d204385
NK
1840# check availability of some header files
1841
a98bb16d
RP
1842if check_func dlopen; then
1843 ldl=
1844elif check_func dlopen -ldl; then
1845 ldl=-ldl
8bf5d58f
MN
1846fi
1847
7483e694
DB
1848check_func fork
1849check_func gethrtime
1850check_func getrusage
094c09bb 1851check_func inet_aton $network_extralibs
7483e694
DB
1852check_func memalign
1853check_func mkstemp
1f91cdce 1854check_func posix_memalign
b507ebd1 1855check_func_headers io.h setmode
2446d3d6 1856check_func_headers windows.h GetProcessTimes
6ffa87d3 1857
e16e49ac 1858check_header conio.h
a98bb16d
RP
1859check_header dlfcn.h
1860check_header malloc.h
bf6ce82d 1861check_header poll.h
b58412f1 1862check_header sys/mman.h
b091aa44 1863check_header sys/resource.h
bf6ce82d 1864check_header sys/select.h
a98bb16d 1865check_header termios.h
272081b0
CEH
1866check_header vdpau/vdpau.h
1867check_header vdpau/vdpau_x11.h
68178ca9 1868check_header X11/extensions/XvMClib.h
a98bb16d 1869
1f91cdce
RP
1870if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1871 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1872fi
e16e49ac 1873
a4fa192c 1874disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1875disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1876
1877# check for some common methods of building with pthread support
1878# do this before the optional library checks as some of them require pthreads
1879if enabled pthreads; then
9e7fd101
MR
1880 if check_func pthread_create; then
1881 :
1882 elif check_func pthread_create -pthread; then
1883 add_cflags -pthread
afc9aee2 1884 add_extralibs -pthread
9e7fd101
MR
1885 elif check_func pthread_create -pthreads; then
1886 add_cflags -pthreads
afc9aee2 1887 add_extralibs -pthreads
8d94f606
GT
1888 elif check_func pthread_create -lpthreadGC2; then
1889 add_extralibs -lpthreadGC2
9e7fd101
MR
1890 elif ! check_lib pthread.h pthread_create -lpthread; then
1891 die "ERROR: can't find pthreads library"
1892 fi
57bd82d4
MR
1893fi
1894
8eee7025 1895for thread in $THREADS_LIST; do
e5f94c2b 1896 if enabled $thread; then
3ae3b721
RP
1897 test -n "$thread_type" &&
1898 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1899 thread_type="$thread"
e5f94c2b
RP
1900 fi
1901done
1902
fdf88598
MR
1903check_lib math.h sin -lm
1904
a33cab3a 1905# test for C99 functions in math.h
7b04b8a0 1906for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 1907 check_exec <<EOF && enable $func || disable $func
f32adb22 1908#include <math.h>
a33cab3a 1909int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1910EOF
a33cab3a 1911done
f32adb22 1912
57bd82d4 1913# these are off by default, so fail if requested and not available
79fda097 1914enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1915enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1916enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 1917enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
1918 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1919 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1920enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1921enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 1922enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 1923enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 1924enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
36718e51
DB
1925enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1926 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 1927enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
1928enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1929enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 1930enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
1931 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1932 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 1933enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 1934enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1935
0b4a1821
AS
1936# libdc1394 check
1937if enabled libdc1394; then
1938 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1939 enable libdc1394_2; } ||
1940 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1941 enable libdc1394_1; } ||
1942 die "ERROR: No version of libdc1394 found "
1943fi
1944
1945
c13e1abd
FH
1946_restrict=
1947for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1948 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1949void foo(char * $restrict_keyword p);
1950EOF
c13e1abd
FH
1951done
1952
703afd07 1953test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1954
4f854758 1955if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1956 disable vhook
fbb9d104 1957 echo
b0268cc0 1958 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1959 echo "Patches welcome."
1960 echo
1961fi
1962
8d923001
MR
1963if enabled vhook; then
1964 check_ldflags -rdynamic
1965 check_ldflags -export-dynamic
1966fi
bfd2edeb 1967
eea50282
MR
1968check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1969check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1970
a86b921c 1971##########################################
29799f8b 1972# SDL check
a86b921c 1973
497237c7
RP
1974disable sdl_too_old
1975disable sdl
6a1a892f 1976SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1977if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
1978 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1979 temp_cflags $sdl_cflags
dcd479c0 1980 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 1981 if check_lib2 SDL.h SDL_Init; then
dcd479c0 1982 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1983 if test "$_sdlversion" -lt 121 ; then
497237c7 1984 enable sdl_too_old
dcd479c0 1985 else
497237c7 1986 enable sdl
225e21ef 1987 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 1988#include <SDL.h>
d6773f56 1989int main(int argc, char **argv){
29f3b38a
MR
1990 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1991 int w = vi->current_w;
1992 return 0;
1993}
1994EOF
dcd479c0
MR
1995 fi
1996 fi
29f3b38a 1997 restore_flags
c3f6b472 1998fi
57bd82d4 1999
2270b4b2 2000texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2001
7a91333f 2002##########################################
73b46a95
RP
2003# Network check
2004
2005if enabled network; then
96000432 2006 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2007 # Prefer arpa/inet.h over winsock2
2008 if check_header arpa/inet.h ; then
2009 check_func closesocket
2010 elif check_header winsock2.h ; then
ea10ddde 2011 network_extralibs="-lws2_32"
72be9e73 2012 check_type ws2tcpip.h socklen_t
2446d3d6 2013 check_func_headers winsock2.h closesocket
73b46a95
RP
2014 fi
2015fi
2016
2017##########################################
29799f8b 2018# IPv6 check
7a91333f 2019
497237c7 2020enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2021#include <sys/types.h>
2022#include <sys/socket.h>
2023#include <netinet/in.h>
2024#include <netdb.h>
db817cf3 2025int main(void) {
7483e694
DB
2026 struct sockaddr_storage saddr;
2027 struct ipv6_mreq mreq6;
2028 getaddrinfo(0,0,0,0);
2029 getnameinfo(0,0,0,0,0,0,0);
2030 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2031}
2032EOF
2033
06e31011
RP
2034check_header linux/videodev.h
2035check_header linux/videodev2.h
1b6e8b73 2036check_header sys/videoio.h
47f38850 2037
2446d3d6 2038check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2039
f8aa696f 2040# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2041{ check_header dev/bktr/ioctl_meteor.h &&
2042 check_header dev/bktr/ioctl_bt848.h; } ||
2043{ check_header machine/ioctl_meteor.h &&
2044 check_header machine/ioctl_bt848.h; } ||
2045{ check_header dev/video/meteor/ioctl_meteor.h &&
2046 check_header dev/video/bktr/ioctl_bt848.h; } ||
2047check_header dev/ic/bt8xx.h
f8aa696f 2048
c7682de0
RP
2049check_header sys/soundcard.h
2050check_header soundcard.h
deb29777 2051
35fd8122
NG
2052check_header alsa/asoundlib.h &&
2053check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2054
7483e694 2055# deal with the X11 frame grabber
56a059ac 2056enabled x11grab &&
f58f4ce1
GP
2057check_header X11/Xlib.h &&
2058check_header X11/extensions/XShm.h &&
2059check_func XOpenDisplay -lX11 &&
06eab4ba 2060check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2061
40bcf4c7 2062enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2063
2064# add some useful compiler flags if supported
2065check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2066check_cflags -Wall
2067check_cflags -Wno-switch
c07bd6a9
MN
2068check_cflags -Wdisabled-optimization
2069check_cflags -Wpointer-arith
2070check_cflags -Wredundant-decls
cc1fb623 2071check_cflags -Wno-pointer-sign
f4929996 2072check_cflags -Wcast-qual
9aceb3cf 2073check_cflags -Wwrite-strings
652a5bf6 2074check_cflags -Wtype-limits
764551c6 2075check_cflags -Wundef
5af4e0cc 2076enabled extra_warnings && check_cflags -Winline
cf9d24ad 2077
57bd82d4 2078# add some linker flags
5c0e9479 2079check_ldflags -Wl,--warn-common
8351d2ba
DB
2080check_ldflags -Wl,--as-needed
2081check_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 2082check_ldflags -Wl,-Bsymbolic
94a3401e 2083
bd2216e4
MR
2084if enabled small; then
2085 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2086 optimizations="small"
2087elif enabled optimizations; then
3dddba4b 2088 if $cc -v 2>&1 | grep -q xlc; then
0f010b2f
DB
2089 add_cflags -O5
2090 add_ldflags -O5
cf9d24ad 2091 else
0f010b2f 2092 add_cflags -O3
cf9d24ad 2093 fi
cddf3f45 2094fi
11fdbc44 2095check_cflags -fno-math-errno
b2eb2ff0 2096check_cflags -fno-signed-zeros
cddf3f45 2097
504a64b9 2098# add some flags for Intel C Compiler
0c45cd07 2099if $cc --version 2> /dev/null | grep -q Intel; then
504a64b9
CEH
2100 # Just warnings, no remarks
2101 check_cflags -w1
2102 # -wd: Disable following warnings
2103 # 144, 167, 556: -Wno-pointer-sign
2104 # 10006: ignoring unknown option -fno-signed-zeros
2105 # 10156: ignoring option '-W'; no argument required
2106 check_cflags -wd144,167,556,10006,10156
2107 # 11030: Warning unknown option --as-needed
2108 # 10156: ignoring option '-export'; no argument required
2109 check_ldflags -wd10156,11030
907eb3b5
CEH
2110 # Allow to compile with optimizations
2111 check_ldflags -march=$cpu
504a64b9
CEH
2112fi
2113
80581e98 2114# PIC flags for shared library objects where they are needed
5af4e0cc 2115if enabled shared; then
569cb218
MR
2116 # LIBOBJFLAGS may have already been set in the OS configuration
2117 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2118 case "${subarch-$arch}" in
b6bd7268 2119 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2120 esac
2121 fi
80581e98
MN
2122fi
2123
90be59ef 2124if enabled gprof; then
0f010b2f
DB
2125 add_cflags -p
2126 add_ldflags -p
1db54e20
DB
2127fi
2128
3b26ee47 2129VHOOKCFLAGS="-fPIC"
18451f7d 2130
7f3c02fc 2131# Find out if the .align argument is a power of two or not.
9377b6ce 2132check_asm asmalign_pot '".align 3"'
4454dc1b 2133
7483e694
DB
2134enabled_any $DECODER_LIST && enable decoders
2135enabled_any $ENCODER_LIST && enable encoders
2136enabled_any $BSF_LIST && enable bsfs
2137enabled_any $DEMUXER_LIST && enable demuxers
2138enabled_any $MUXER_LIST && enable muxers
f7679c54 2139enabled_any $FILTER_LIST && enable filters
7483e694
DB
2140enabled_any $INDEV_LIST && enable demuxers
2141enabled_any $OUTDEV_LIST && enable muxers
2142enabled_any $PROTOCOL_LIST && enable protocols
2143
2144enabled_any $THREADS_LIST && enable threads
2145
2146check_deps $CONFIG_LIST \
b6bb00b0 2147 $CONFIG_EXTRA \
7483e694
DB
2148 $HAVE_LIST \
2149 $DECODER_LIST \
2150 $ENCODER_LIST \
2151 $PARSER_LIST \
2152 $BSF_LIST \
2153 $DEMUXER_LIST \
2154 $MUXER_LIST \
f7679c54 2155 $FILTER_LIST \
7483e694
DB
2156 $INDEV_LIST \
2157 $OUTDEV_LIST \
2158 $PROTOCOL_LIST \
f70f03f6 2159
3e89171a 2160echo "install prefix $prefix"
f36958f8
DB
2161echo "source path $source_path"
2162echo "C compiler $cc"
bfd5afd8 2163echo ".align is power-of-two $asmalign_pot"
f36958f8 2164echo "ARCH $arch ($cpu)"
ce8871c2
MR
2165if test "$build_suffix" != ""; then
2166 echo "build suffix $build_suffix"
eb94aca9 2167fi
ac63af34
DB
2168if test "$extra_version" != ""; then
2169 echo "version string suffix $extra_version"
2170fi
0db2ce77 2171echo "big-endian ${bigendian-no}"
5b6c2cbd 2172if enabled x86; then
af44e8e4 2173 echo "yasm ${yasm-no}"
0db2ce77 2174 echo "MMX enabled ${mmx-no}"
30e98e62 2175 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2176 echo "3DNow! enabled ${amd3dnow-no}"
1bb04d5a 2177 echo "SSE enabled ${sse-no}"
30e98e62 2178 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2179 echo "CMOV enabled ${cmov-no}"
2180 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2181 echo "EBX available ${ebx_available-no}"
2182 echo "EBP available ${ebp_available-no}"
e41e8342 2183fi
5b6c2cbd 2184if enabled arm; then
0db2ce77
MR
2185 echo "ARMv5TE enabled ${armv5te-no}"
2186 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2187 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2188 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2189 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2190 echo "NEON enabled ${neon-no}"
eba9ae3c 2191fi
5b6c2cbd 2192if enabled mips; then
0db2ce77 2193 echo "MMI enabled ${mmi-no}"
e41e8342 2194fi
5b6c2cbd 2195if enabled ppc; then
0db2ce77 2196 echo "AltiVec enabled ${altivec-no}"
30e98e62 2197 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2198 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2199 echo "performance report ${powerpc_perf-no}"
2200fi
2201if enabled sparc; then
2202 echo "VIS enabled ${vis-no}"
e41e8342 2203fi
0db2ce77
MR
2204echo "gprof enabled ${gprof-no}"
2205echo "debug symbols ${debug-no}"
87a0fb62 2206echo "strip symbols ${stripping-no}"
8400d6b8 2207echo "optimizations ${optimizations-no}"
0db2ce77
MR
2208echo "static ${static-no}"
2209echo "shared ${shared-no}"
4a24ab64 2210echo "postprocessing support ${postproc-no}"
13ca50f3 2211echo "software scaler enabled ${swscale-no}"
f7679c54 2212echo "new filter support ${avfilter-no}"
81124ba0 2213echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2214echo "video hooking ${vhook-no}"
90be59ef 2215if enabled vhook; then
0db2ce77
MR
2216 echo "Imlib2 support ${imlib2-no}"
2217 echo "FreeType support ${freetype2-no}"
68892110 2218fi
0db2ce77 2219echo "network support ${network-no}"
90be59ef 2220if enabled network; then
0db2ce77 2221 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2222fi
0db2ce77
MR
2223echo "threading support ${thread_type-no}"
2224echo "SDL support ${sdl-no}"
90be59ef 2225if enabled sdl_too_old; then
bfd5afd8
DB
2226 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2227fi
0db2ce77
MR
2228echo "Sun medialib support ${mlib-no}"
2229echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2230echo "libamr-nb support ${libamr_nb-no}"
2231echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2232echo "libdc1394 support ${libdc1394-no}"
690bfceb 2233echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2234echo "libfaac enabled ${libfaac-no}"
2235echo "libfaad enabled ${libfaad-no}"
7e0871a7 2236echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2237echo "libgsm enabled ${libgsm-no}"
2238echo "libmp3lame enabled ${libmp3lame-no}"
2239echo "libnut enabled ${libnut-no}"
f7cd9eed 2240echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2241echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2242echo "libtheora enabled ${libtheora-no}"
2243echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2244echo "libx264 enabled ${libx264-no}"
2245echo "libxvid enabled ${libxvid-no}"
272081b0 2246echo "vdpau enabled ${vdpau-no}"
0db2ce77 2247echo "zlib enabled ${zlib-no}"
f402916e 2248echo "bzlib enabled ${bzlib-no}"
2c62e737 2249echo
de6d9b64 2250
f7679c54 2251for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2252 echo "Enabled ${type}s:"
f65c9da1 2253 eval list=\$$(toupper $type)_LIST
8138b9db 2254 for part in $list; do
f65c9da1
MR
2255 enabled $part && echo ${part%_*}
2256 done | sort | pr -3 -t
2257 echo
8138b9db
RP
2258done
2259
ba321adb
JK
2260license="LGPL"
2261if enabled nonfree; then
2262 license="unredistributable"
2263elif enabled gpl; then
2264 license="GPL"
2265fi
2266
2267echo "License: $license"
ca5323af 2268
cf1392e9
DB
2269echo "Creating config.mak and config.h..."
2270
29799f8b
DB
2271echo "# Automatically generated by configure - do not modify!" > config.mak
2272echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2273echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2274echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2275echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2276echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2277
d921f03f 2278echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2279echo "prefix=$prefix" >> config.mak
22a324da
DB
2280echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2281echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2282echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2283echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2284echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2285echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2286echo "CC=$cc" >> config.mak
304d586d 2287echo "YASM=$yasmexe" >> config.mak
980fc7b8 2288echo "AR=$ar" >> config.mak
be7109c1 2289echo "RANLIB=$ranlib" >> config.mak
20369773 2290echo "LN_S=$ln_s" >> config.mak
87a0fb62 2291enabled stripping &&
3ae3b721 2292 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2293 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2294
a9b3f630 2295echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2296echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2297echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2298echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2299echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2300echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2301echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2302echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2303echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2304echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2305echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2306echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2307echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2308echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2309echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2310echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2311echo "SLIBSUF=$SLIBSUF" >> config.mak
2312echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2313echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2314echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2315echo "HOSTCC=$host_cc" >> config.mak
2316echo "HOSTCFLAGS=$host_cflags" >> config.mak
2317echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2318echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2319echo "TARGET_EXEC=$target_exec" >> config.mak
2320echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2321
90be59ef 2322if enabled bigendian; then
7483e694
DB
2323 echo "WORDS_BIGENDIAN=yes" >> config.mak
2324 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2325fi
44161118 2326
90be59ef 2327if enabled sdl; then
7483e694
DB
2328 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2329 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2330fi
90be59ef 2331if enabled texi2html; then
7483e694 2332 echo "BUILD_DOC=yes" >> config.mak
146ea952 2333fi
5a872801 2334
719c8e00
MR
2335get_version(){
2336 name=$1
2337 file=$source_path/$2
147e7692
MR
2338 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2339 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2340 lcname=$(tolower $name)
2341 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2342 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2343}
2344
147e7692
MR
2345get_version LIBSWSCALE libswscale/swscale.h
2346get_version LIBPOSTPROC libpostproc/postprocess.h
2347get_version LIBAVCODEC libavcodec/avcodec.h
2348get_version LIBAVDEVICE libavdevice/avdevice.h
2349get_version LIBAVFORMAT libavformat/avformat.h
2350get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2351get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2352
5af4e0cc 2353if enabled shared; then
7483e694
DB
2354 echo "BUILD_SHARED=yes" >> config.mak
2355 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2356 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2357 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2358 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2359 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2360 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2361 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2362 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2363 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2364fi
d7e27559 2365echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2366echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2367
7b5e8a27
DB
2368echo "ARCH=$arch" >> config.mak
2369
3d907e22
MR
2370print_config ARCH_ $TMPH config.mak $ARCH_LIST
2371print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2372print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2373 $CONFIG_EXTRA \
7483e694
DB
2374 $DECODER_LIST \
2375 $ENCODER_LIST \
2376 $PARSER_LIST \
2377 $BSF_LIST \
2378 $DEMUXER_LIST \
2379 $MUXER_LIST \
f7679c54 2380 $FILTER_LIST \
7483e694
DB
2381 $PROTOCOL_LIST \
2382 $INDEV_LIST \
2383 $OUTDEV_LIST \
8ac17293 2384
c13e1abd
FH
2385echo "#define restrict $_restrict" >> $TMPH
2386
bd2216e4 2387if enabled small; then
7483e694 2388 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2389fi
2390
997baf01
MR
2391echo "SRC_PATH=\"$source_path\"" >> config.mak
2392echo "SRC_PATH_BARE=$source_path" >> config.mak
2393echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2394
8156056e 2395# Apparently it's not possible to portably echo a backslash.
3ae3b721 2396enabled asmalign_pot &&
7483e694 2397 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2398 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2399
b4d96ba2 2400echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2401
9c05103f
DB
2402echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2403
b7860763 2404# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2405cmp -s $TMPH config.h &&
2406 echo "config.h is unchanged" ||
2407 mv -f $TMPH config.h
3d204385 2408
cea0ac52 2409rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2410
165af439 2411# build tree in object directory if source path is different from current one
90be59ef 2412if enabled source_path_used; then
165af439 2413 DIRS="\
7483e694
DB
2414 doc \
2415 libavcodec \
2416 libavcodec/alpha \
a2fc0f6a 2417 libavcodec/arm \
7483e694 2418 libavcodec/bfin \
7483e694
DB
2419 libavcodec/mlib \
2420 libavcodec/ppc \
2421 libavcodec/sh4 \
2422 libavcodec/sparc \
a6493a8f 2423 libavcodec/x86 \
52a9cf34 2424 libavdevice \
f7679c54 2425 libavfilter \
7483e694
DB
2426 libavformat \
2427 libavutil \
2428 libpostproc \
2429 libswscale \
2430 tests \
2431 tools \
2432 vhook \
2433 "
165af439 2434 FILES="\
7483e694
DB
2435 Makefile \
2436 common.mak \
71c61f62 2437 subdir.mak \
7483e694
DB
2438 doc/texi2pod.pl \
2439 libavcodec/Makefile \
52a9cf34 2440 libavdevice/Makefile \
f7679c54 2441 libavfilter/Makefile \
7483e694
DB
2442 libavformat/Makefile \
2443 libavutil/Makefile \
2444 libpostproc/Makefile \
2445 libswscale/Makefile \
2446 "
165af439 2447 for dir in $DIRS ; do
7483e694 2448 mkdir -p $dir
165af439
MR
2449 done
2450 for f in $FILES ; do
20369773 2451 $ln_s "$source_path/$f" $f
165af439
MR
2452 done
2453fi
def4272a 2454
def4272a 2455
d0674868 2456# build pkg-config files
def4272a 2457
d0674868
DB
2458pkgconfig_generate(){
2459name=$1
b0dfd108 2460shortname=${name#lib}${build_suffix}
d0674868
DB
2461comment=$2
2462version=$3
2463libs=$4
2464requires=$5
25cd5cb3 2465cat <<EOF > $name/$name.pc
3e89171a 2466prefix=$prefix
a94e666c 2467exec_prefix=\${prefix}
f2b7382c 2468libdir=$libdir
7622778e 2469includedir=$incdir
def4272a 2470
d0674868
DB
2471Name: $name
2472Description: $comment
2473Version: $version
5dcfe9f8
AH
2474Requires: $(disabled shared && echo $requires)
2475Requires.private: $(enabled shared && echo $requires)
def4272a 2476Conflicts:
12701f6e
AH
2477Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2478Libs.private: $(enabled shared && echo $libs)
76a448ed 2479Cflags: -I\${includedir}
def4272a 2480EOF
25cd5cb3 2481cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2482prefix=
2483exec_prefix=
46d1ff83 2484libdir=\${pcfiledir}
1d44d365 2485includedir=${source_path}
def4272a 2486
d0674868
DB
2487Name: $name
2488Description: $comment
2489Version: $version
2490Requires: $requires
def4272a 2491Conflicts:
12701f6e 2492Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2493Cflags: -I\${includedir}
2494EOF
d0674868 2495}
def4272a 2496
e426941d 2497pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2498pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2499pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2500pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2501enabled avfilter &&
46983309 2502 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2503enabled postproc &&
e426941d 2504 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2505if enabled swscale; then
e426941d 2506 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2507else
46983309 2508 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2509 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2510fi