configure: set HOSTCC to native compiler
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
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57show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
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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]"
74c53c2d 67 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 68 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 69 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 70 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
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DB
71 echo " --enable-static build static libraries [yes]"
72 echo " --disable-static do not build static libraries [no]"
73 echo " --enable-shared build shared libraries [no]"
74 echo " --disable-shared do not build shared libraries [yes]"
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DB
75 echo " --enable-gpl allow use of GPL code, the resulting libs"
76 echo " and binaries will be under GPL [no]"
77 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
78 echo " and binaries will be unredistributable [no]"
e6b9d588 79 echo " --enable-postproc enable GPLed postprocessing support [no]"
0a23c0bb 80 echo " --enable-swscale enable GPLed software scaler support [no]"
e6b9d588 81 echo " --enable-avfilter video filter support (replaces vhook) [no]"
0a23c0bb 82 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
4f50c3d5 83 echo " --disable-vhook disable video hooking support"
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84 echo " --enable-beosthreads use BeOS threads [no]"
85 echo " --enable-os2threads use OS/2 threads [no]"
86 echo " --enable-pthreads use pthreads [no]"
87 echo " --enable-w32threads use Win32 threads [no]"
88 echo " --enable-x11grab enable X11 grabbing [no]"
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89 echo
90 echo "External library support:"
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91 echo " --enable-mlib enable Sun medialib [no]"
92 echo " --enable-avisynth enable reading of AVISynth script files [no]"
1f26f59f 93 echo " --enable-bzlib enable bzlib [no]"
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DB
94 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
95 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
f7b8bffe 96 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
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DB
97 echo " and libraw1394 [no]"
98 echo " --enable-libdirac enable Dirac support via libdirac [no]"
99 echo " --enable-libfaac enable FAAC support via libfaac [no]"
100 echo " --enable-libfaad enable FAAD support via libfaad [no]"
101 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
102 echo " --enable-libgsm enable GSM support via libgsm [no]"
103 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 104 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 105 echo " native (de)muxer exists [no]"
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106 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
107 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
108 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 109 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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110 echo " native implementation exists [no]"
111 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 112 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 113 echo " native MPEG-4/Xvid encoder exists [no]"
1f26f59f 114 echo " --enable-zlib enable zlib [no]"
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115 echo ""
116 echo "Advanced options (experts only):"
117 echo " --source-path=PATH path to source code [$source_path]"
118 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 119 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 120 echo " --target-os=OS compiler targets OS [$target_os]"
74c53c2d 121 echo " --cc=CC use C compiler CC [$cc]"
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122 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
123 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
124 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
125 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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126 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
127 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
128 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 129 echo " --extra-version=STRING version string suffix []"
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130 echo " --build-suffix=SUFFIX library name suffix []"
131 echo " --arch=ARCH select architecture [$arch]"
132 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 133 echo " instruction selection, may crash on older CPUs)"
2b4c3615 134 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 135 echo " (requires enabling PMC)"
4f50c3d5 136 echo " --disable-altivec disable AltiVec optimizations"
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137 echo " --disable-mmx disable MMX optimizations"
138 echo " --disable-mmx2 disable MMX2 optimizations"
139 echo " --disable-ssse3 disable SSSE3 optimizations"
140 echo " --disable-armv5te disable armv5te optimizations"
141 echo " --disable-armv6 disable armv6 optimizations"
142 echo " --disable-armvfp disable ARM VFP optimizations"
143 echo " --disable-iwmmxt disable iwmmxt optimizations"
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144 echo " --disable-mmi disable MMI optimizations"
145 echo " --disable-neon disable neon optimizations"
146 echo " --disable-vis disable VIS optimizations"
e6b9d588 147 echo " --disable-network disable network support [no]"
0a23c0bb 148 echo " --disable-ipv6 disable IPv6 support [no]"
74c53c2d 149 echo " --disable-mpegaudio-hp faster (but less accurate)"
e6b9d588 150 echo " MPEG audio decoding [no]"
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151 echo " --disable-fft disable FFT code"
152 echo " --disable-golomb disable Golomb code"
153 echo " --disable-mdct disable MDCT code"
cde9e780 154 echo " --enable-gray enable full grayscale support (slower color)"
786b30af 155 echo " --disable-ffmpeg disable ffmpeg build"
74c53c2d 156 echo " --disable-ffplay disable ffplay build"
4f50c3d5 157 echo " --disable-ffserver disable ffserver build"
74c53c2d 158 echo " --enable-small optimize for size instead of speed"
3abe5fbd 159 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
74c53c2d 160 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
49276307 161 echo " --enable-beos-netserver enable BeOS netserver"
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162 echo " --disable-encoder=NAME disable encoder NAME"
163 echo " --enable-encoder=NAME enable encoder NAME"
4f50c3d5 164 echo " --disable-encoders disable all encoders"
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165 echo " --disable-decoder=NAME disable decoder NAME"
166 echo " --enable-decoder=NAME enable decoder NAME"
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167 echo " --disable-decoders disable all decoders"
168 echo " --disable-muxer=NAME disable muxer NAME"
169 echo " --enable-muxer=NAME enable muxer NAME"
170 echo " --disable-muxers disable all muxers"
171 echo " --disable-demuxer=NAME disable demuxer NAME"
172 echo " --enable-demuxer=NAME enable demuxer NAME"
173 echo " --disable-demuxers disable all demuxers"
174 echo " --enable-parser=NAME enable parser NAME"
175 echo " --disable-parser=NAME disable parser NAME"
176 echo " --disable-parsers disable all parsers"
177 echo " --enable-bsf=NAME enable bitstream filter NAME"
178 echo " --disable-bsf=NAME disable bitstream filter NAME"
179 echo " --disable-bsfs disable all bitstream filters"
180 echo " --enable-protocol=NAME enable protocol NAME"
181 echo " --disable-protocol=NAME disable protocol NAME"
182 echo " --disable-protocols disable all protocols"
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183 echo " --disable-indevs disable input devices"
184 echo " --disable-outdevs disable output devices"
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185 echo " --disable-devices disable all devices"
186 echo " --enable-filter=NAME enable filter NAME"
187 echo " --disable-filter=NAME disable filter NAME"
188 echo " --disable-filters disable all filters"
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189 echo " --list-decoders show all available decoders"
190 echo " --list-encoders show all available encoders"
191 echo " --list-muxers show all available muxers"
192 echo " --list-demuxers show all available demuxers"
193 echo " --list-parsers show all available parsers"
194 echo " --list-protocols show all available protocols"
195 echo " --list-bsfs show all available bitstream filters"
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196 echo " --list-indevs show all available input devices"
197 echo " --list-outdevs show all available output devices"
1865259f 198 echo " --list-filters show all available filters"
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199 echo
200 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 201 echo " --disable-debug disable debugging symbols"
b7d49373 202 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 203 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 204 echo " --disable-optimizations disable compiler optimizations"
0a622b98 205 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 206 echo " --disable-stripping disable stripping of executables and shared libraries"
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207 echo ""
208 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 209 exit 0
74c53c2d 210}
cf9d24ad 211
57bd82d4 212log(){
2270b4b2 213 echo "$@" >> $logfile
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214}
215
720c69da 216log_file(){
c8e9f801 217 log BEGIN $1
2270b4b2 218 pr -n -t $1 >> $logfile
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219 log END $1
220}
221
2ba042a7 222echolog(){
c8e9f801 223 log "$@"
57bd82d4 224 echo "$@"
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225}
226
227die(){
228 echolog "$@"
229 cat <<EOF
230If you think configure made a mistake, make sure you are using the latest
231version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 232ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 233EOF
e155a21a 234 if disabled logging; then
2ba042a7 235 cat <<EOF
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236Rerun configure with logging enabled (do not use --disable-logging), and
237include the log this produces with your report.
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238EOF
239 else
240cat <<EOF
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241Include the log file "$logfile" produced by configure as this will help
242solving the problem.
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243EOF
244 fi
cea0ac52 245 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
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246 exit 1
247}
248
6c6007d6 249# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 250toupper(){
6c6007d6 251 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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MR
252}
253
4a5444db 254tolower(){
6c6007d6 255 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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256}
257
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258set_all(){
259 value=$1
260 shift
261 for var in $*; do
262 eval $var=$value
263 done
264}
265
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266set_weak(){
267 value=$1
268 shift
269 for var; do
270 eval : \${$var:=$value}
271 done
272}
273
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MR
274pushvar(){
275 for var in $*; do
276 eval level=\${${var}_level:=0}
277 eval ${var}_${level}="\$$var"
278 eval ${var}_level=$(($level+1))
279 done
280}
281
282popvar(){
283 for var in $*; do
284 eval level=\${${var}_level:-0}
285 test $level = 0 && continue
286 eval level=$(($level-1))
287 eval $var="\${${var}_${level}}"
288 eval ${var}_level=$level
289 eval unset ${var}_${level}
290 done
291}
292
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293enable(){
294 set_all yes $*
295}
296
297disable(){
298 set_all no $*
299}
300
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301enable_weak(){
302 set_weak yes $*
303}
304
305disable_weak(){
306 set_weak no $*
307}
308
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MR
309do_enable_deep(){
310 for var; do
311 enabled $var && continue
312 eval sel="\$${var}_select"
c510c7b5
MR
313 eval sgs="\$${var}_suggest"
314 pushvar var sgs
f9d328da 315 enable_deep $sel
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316 popvar sgs
317 enable_deep_weak $sgs
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MR
318 popvar var
319 done
320}
321
322enable_deep(){
323 do_enable_deep $*
324 enable $*
325}
326
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MR
327enable_deep_weak(){
328 do_enable_deep $*
329 enable_weak $*
330}
331
57bd82d4 332enabled(){
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MR
333 test "${1#!}" = "$1" && op== || op=!=
334 eval test "x\$${1#!}" $op "xyes"
44161118
MR
335}
336
37970ebf 337disabled(){
3250003c
MR
338 test "${1#!}" = "$1" && op== || op=!=
339 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
340}
341
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MR
342enabled_all(){
343 for opt; do
344 enabled $opt || return 1
345 done
346}
347
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DB
348disabled_all(){
349 for opt; do
350 disabled $opt || return 1
351 done
352}
353
44161118
MR
354enabled_any(){
355 for opt; do
356 enabled $opt && return 0
357 done
358}
359
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DB
360disabled_any(){
361 for opt; do
362 disabled $opt && return 0
363 done
f7b230a7 364 return 1
85bca2c5
DB
365}
366
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MR
367set_default(){
368 for opt; do
88268e94 369 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
370 done
371}
372
4a0d6686
AJ
373is_in(){
374 value=$1
375 shift
376 for var in $*; do
377 [ $var = $value ] && return 0
378 done
379 return 1
380}
381
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MR
382check_deps(){
383 for cfg; do
3250003c 384 cfg="${cfg#!}"
799c9e9b
MR
385 enabled ${cfg}_checking && die "Circular dependency for $cfg."
386 disabled ${cfg}_checking && continue
387 enable ${cfg}_checking
388
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MR
389 eval dep_all="\$${cfg}_deps"
390 eval dep_any="\$${cfg}_deps_any"
7ef3425f 391 eval dep_sel="\$${cfg}_select"
c510c7b5 392 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 393
c510c7b5
MR
394 pushvar cfg dep_all dep_any dep_sel dep_sgs
395 check_deps $dep_all $dep_any $dep_sel $dep_sgs
396 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 397
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MR
398 enabled_all $dep_all || disable $cfg
399 enabled_any $dep_any || disable $cfg
7ef3425f 400 disabled_any $dep_sel && disable $cfg
799c9e9b 401
4ec45764
RP
402 if enabled $cfg; then
403 eval dep_extralibs="\$${cfg}_extralibs"
404 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 405 enable_deep $dep_sel
c510c7b5 406 enable_deep_weak $dep_sgs
4ec45764
RP
407 fi
408
799c9e9b 409 disable ${cfg}_checking
30fd06be
MR
410 done
411}
412
44161118
MR
413print_config(){
414 pfx=$1
415 header=$2
416 makefile=$3
417 shift 3
418 for cfg; do
3d907e22 419 ucname="`toupper $cfg`"
44161118 420 if enabled $cfg; then
3d907e22
MR
421 echo "#define ${pfx}${ucname} 1" >> $header
422 echo "#define ENABLE_${ucname} 1" >> $header
423 echo "${pfx}${ucname}=yes" >> $makefile
424 else
425 echo "#define ENABLE_${ucname} 0" >> $header
44161118
MR
426 fi
427 done
57bd82d4
MR
428}
429
430flags_saved(){
2270b4b2 431 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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432}
433
dcd479c0 434save_flags(){
57bd82d4 435 flags_saved && return
dcd479c0
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436 SAVE_CFLAGS="$CFLAGS"
437 SAVE_LDFLAGS="$LDFLAGS"
438 SAVE_extralibs="$extralibs"
439}
440
441restore_flags(){
f5d28d10 442 flags_saved || return
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MR
443 CFLAGS="$SAVE_CFLAGS"
444 LDFLAGS="$SAVE_LDFLAGS"
445 extralibs="$SAVE_extralibs"
446 unset SAVE_CFLAGS
447 unset SAVE_LDFLAGS
448 unset SAVE_extralibs
449}
450
451temp_cflags(){
452 save_flags
453 CFLAGS="$CFLAGS $*"
454}
455
456temp_ldflags(){
457 save_flags
458 LDFLAGS="$LDFLAGS $*"
459}
460
461temp_extralibs(){
462 save_flags
463 extralibs="$extralibs $*"
464}
465
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MR
466append(){
467 var=$1
468 shift
469 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
470 eval "$var=\"\$$var $*\""
471}
472
473add_cflags(){
474 append CFLAGS "$@"
475}
476
477add_ldflags(){
478 append LDFLAGS "$@"
479}
480
481add_extralibs(){
482 append extralibs "$@"
483}
484
b0cfb663 485check_cmd(){
b3cb5d51 486 log "$@"
2270b4b2 487 "$@" >> $logfile 2>&1
b0cfb663
MR
488}
489
dcd479c0 490check_cc(){
57bd82d4 491 log check_cc "$@"
2270b4b2 492 cat > $TMPC
720c69da 493 log_file $TMPC
b0cfb663 494 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
495}
496
497check_cpp(){
498 log check_cpp "$@"
2270b4b2 499 cat > $TMPC
720c69da 500 log_file $TMPC
b0cfb663 501 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
502}
503
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MR
504check_asm(){
505 log check_asm "$@"
506 name="$1"
507 asm="$2"
508 shift 2
509 check_cc "$@" <<EOF && enable $name || disable $name
be449fca 510int foo(void){ __asm__ volatile($asm); }
940f335a
MR
511EOF
512}
513
304d586d
LM
514check_yasm(){
515 log check_yasm "$@"
516 echo "$1" > $TMPS
517 log_file $TMPS
518 shift 1
519 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
520}
521
dcd479c0 522check_ld(){
57bd82d4 523 log check_ld "$@"
0607887f 524 check_cc || return
3155a644
MR
525 flags=''
526 libs=''
527 for f; do
528 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
529 done
530 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
531}
532
533check_cflags(){
57bd82d4
MR
534 log check_cflags "$@"
535 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
536int x;
537EOF
538}
539
540check_ldflags(){
57bd82d4
MR
541 log check_ldflags "$@"
542 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 543int main(void){ return 0; }
dcd479c0
MR
544EOF
545}
546
547check_header(){
57bd82d4 548 log check_header "$@"
dcd479c0
MR
549 header=$1
550 shift
d8bc5f06
MR
551 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
552 disable $var
553 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
554#include <$header>
555int x;
556EOF
557}
558
559check_func(){
57bd82d4 560 log check_func "$@"
dcd479c0
MR
561 func=$1
562 shift
d8bc5f06
MR
563 disable $func
564 check_ld "$@" <<EOF && enable $func
dcd479c0 565extern int $func();
c23a0ac8 566int main(void){ $func(); }
dcd479c0
MR
567EOF
568}
569
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DB
570check_func_headers(){
571 log check_func_headers "$@"
f8d7b072
MR
572 headers=$1
573 func=$2
574 shift 2
575 disable $func
576 incs=""
577 for hdr in $headers; do
578 incs="$incs
579#include <$hdr>"
580 done
581 check_ld "$@" <<EOF && enable $func
582$incs
d6773f56 583int main(int argc, char **argv){
f8d7b072
MR
584 (void) $func;
585 return 0;
586}
587EOF
588}
589
a5344cf7
SS
590check_cpp_condition(){
591 log check_cpp_condition "$@"
592 header=$1
593 condition=$2
594 check_cpp <<EOF
595#include <$header>
596#if !($condition)
597#error "unsatisfied condition: $condition"
598#endif
599EOF
600}
601
57bd82d4
MR
602check_lib(){
603 log check_lib "$@"
604 header="$1"
605 func="$2"
606 shift 2
fcfcde17
MR
607 temp_extralibs "$@"
608 check_header $header && check_func $func && add_extralibs "$@"
609 err=$?
610 restore_flags
611 return $err
57bd82d4
MR
612}
613
f8d7b072
MR
614check_lib2(){
615 log check_lib2 "$@"
616 headers="$1"
617 func="$2"
618 shift 2
619 temp_extralibs "$@"
2446d3d6 620 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
621 err=$?
622 restore_flags
623 return $err
624}
625
dcd479c0 626check_exec(){
2270b4b2 627 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
628}
629
7dfef245
MR
630check_exec_crash(){
631 code=`cat`
632
633 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
634 # are safe but may not be available everywhere. Thus we use
635 # raise(SIGTERM) instead. The check is run in a subshell so we
636 # can redirect the "Terminated" message from the shell. SIGBUS
637 # is not defined by standard C so it is used conditionally.
638
2270b4b2 639 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
640#include <signal.h>
641static void sighandler(int sig){
642 raise(SIGTERM);
643}
e5af4a11 644int main(void){
7dfef245
MR
645 signal(SIGILL, sighandler);
646 signal(SIGFPE, sighandler);
647 signal(SIGSEGV, sighandler);
648#ifdef SIGBUS
649 signal(SIGBUS, sighandler);
650#endif
651 { $code }
652}
653EOF
654}
655
72be9e73
DY
656check_type(){
657 log check_type "$@"
658 headers=$1
659 type=$2
660 shift 2
661 disable $type
662 incs=""
663 for hdr in $headers; do
664 incs="$incs
665#include <$hdr>"
666 done
667 check_cc "$@" <<EOF && enable $type
668$incs
669$type v;
670EOF
671}
672
57bd82d4
MR
673require(){
674 name="$1"
675 header="$2"
676 func="$3"
677 shift 3
678 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
679}
680
f8d7b072
MR
681require2(){
682 name="$1"
683 headers="$2"
684 func="$3"
685 shift 3
686 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
687}
688
eea50282
MR
689check_foo_config(){
690 cfg=$1
691 pkg=$2
692 header=$3
693 func=$4
694 shift 4
695 disable $cfg
696 check_cmd ${pkg}-config --version
697 err=$?
698 if test "$err" = 0; then
699 temp_cflags `${pkg}-config --cflags`
700 temp_extralibs `${pkg}-config --libs`
701 check_lib "$@" $header $func && enable $cfg
702 fi
703 return $err
704}
705
c505dd31
MR
706apply(){
707 file=$1
708 shift
709 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
710}
711
dcd61286
DB
712# CONFIG_LIST contains configurable options, while HAVE_LIST is for
713# system-dependent things.
714
4a0d6686
AJ
715COMPONENT_LIST="
716 bsfs
717 decoders
718 demuxers
719 encoders
3cde40aa 720 filters
c552605c 721 indevs
4a0d6686 722 muxers
c552605c 723 outdevs
4a0d6686
AJ
724 parsers
725 protocols
726"
727
728CONFIG_LIST="
729 $COMPONENT_LIST
f7679c54
VS
730 avfilter
731 avfilter_lavf
c88f5d72
MR
732 avisynth
733 beos_netserver
f402916e 734 bzlib
c88f5d72
MR
735 ffmpeg
736 ffplay
737 ffserver
1848f7d9 738 fft
4f034993 739 golomb
c88f5d72 740 gpl
ecfc4f44 741 gprof
d8d0d0b2 742 gray
3abe5fbd 743 hardcoded_tables
c88f5d72 744 ipv6
f5a756ef
DB
745 libamr_nb
746 libamr_wb
f7b8bffe 747 libdc1394
690bfceb 748 libdirac
2eed5a46
DB
749 libfaac
750 libfaad
751 libfaadbin
c88f5d72 752 libgsm
6ebe07fb 753 libmp3lame
c88f5d72 754 libnut
f7cd9eed 755 libschroedinger
ae14f311 756 libspeex
150d2772 757 libtheora
c88f5d72 758 libvorbis
1cc60c47
DB
759 libx264
760 libxvid
47a158cb 761 mdct
c88f5d72 762 memalign_hack
a8150374 763 mlib
c88f5d72
MR
764 mpegaudio_hp
765 network
3fe142e2 766 nonfree
4a24ab64 767 postproc
2b4c3615 768 powerpc_perf
bd2216e4 769 small
13ca50f3 770 swscale
c88f5d72 771 vhook
56a059ac 772 x11grab
c88f5d72 773 zlib
4a0d6686 774"
c88f5d72 775
8eee7025
DB
776THREADS_LIST='
777 beosthreads
d22e8442 778 os2threads
8eee7025
DB
779 pthreads
780 w32threads
781'
782
3f5b56e5
MR
783ARCH_LIST='
784 alpha
785 armv4l
786 bfin
787 ia64
788 m68k
789 mips
790 parisc
791 powerpc
792 s390
793 sh4
794 sparc
795 sparc64
796 x86
797 x86_32
798 x86_64
799'
800
801ARCH_EXT_LIST='
1ac9331a 802 altivec
1ac9331a 803 armv5te
edab3048 804 armv6
f55b299a 805 armvfp
3f5b56e5
MR
806 iwmmxt
807 mmi
808 mmx
d7f0920b 809 mmx2
6b18d278 810 neon
9eeed841 811 ssse3
bd9d34a0 812 vis
3f5b56e5
MR
813'
814
815HAVE_LIST="
816 $ARCH_EXT_LIST
817 $THREADS_LIST
818 altivec_h
c9fdab0d 819 arpa_inet_h
6bd859d6 820 bswap
ecf97f22 821 closesocket
1ac9331a 822 cmov
e16e49ac 823 conio_h
c88f5d72 824 dcbzl
f8aa696f
DB
825 dev_bktr_ioctl_bt848_h
826 dev_bktr_ioctl_meteor_h
827 dev_ic_bt8xx_h
828 dev_video_meteor_ioctl_meteor_h
829 dev_video_bktr_ioctl_bt848_h
18b67ae5 830 dlfcn_h
c88f5d72 831 dlopen
bc574408 832 dos_paths
245626d0
DB
833 ebp_available
834 ebx_available
c2a29455 835 fast_64bit
7073e9fc 836 fast_cmov
7b829d2a 837 fast_unaligned
9d99cc5a 838 fork
c88f5d72 839 freetype2
da9e86f8 840 gethrtime
4e68cb8a 841 GetProcessTimes
66be5b45 842 getrusage
c88f5d72 843 imlib2
2e1913b1 844 inet_aton
61d251db 845 inline_asm
0b4a1821
AS
846 libdc1394_1
847 libdc1394_2
a33cab3a
MK
848 llrint
849 lrint
c88f5d72 850 lrintf
f8aa696f
DB
851 machine_ioctl_bt848_h
852 machine_ioctl_meteor_h
c88f5d72
MR
853 malloc_h
854 memalign
6ffa87d3 855 mkstemp
b4e806b2 856 pld
9cafbd6c 857 ppc64
a33cab3a
MK
858 round
859 roundf
c88f5d72
MR
860 sdl
861 sdl_video_size
72be9e73 862 socklen_t
deb29777 863 soundcard_h
f8cda19e 864 poll_h
b58412f1 865 sys_mman_h
b091aa44 866 sys_resource_h
81644c2e 867 sys_select_h
deb29777 868 sys_soundcard_h
1b6e8b73 869 sys_videoio_h
e16e49ac 870 termios_h
b265431e 871 threads
6ff3f3e7 872 winsock2_h
304d586d 873 yasm
0cb78cef 874"
44161118 875
b6bb00b0
MR
876# options emitted with CONFIG_ prefix but not available on command line
877CONFIG_EXTRA="
878 fft_mmx
40b509b3 879 oldscaler
b6bb00b0
MR
880"
881
520cc7f1 882CMDLINE_SELECT="
3f5b56e5 883 $ARCH_EXT_LIST
520cc7f1 884 $CONFIG_LIST
8eee7025 885 $THREADS_LIST
db6107b6 886 cross_compile
520cc7f1
MR
887 debug
888 extra_warnings
8c6afa4d 889 logging
d2bbb2f7 890 optimizations
520cc7f1
MR
891 shared
892 static
87a0fb62 893 stripping
520cc7f1 894"
426be5dc
DB
895
896PATHS_LIST='
d156bede 897 bindir
26759c44
MR
898 incdir
899 libdir
26759c44
MR
900 mandir
901 prefix
902 shlibdir
426be5dc
DB
903'
904
905CMDLINE_SET="
906 $PATHS_LIST
907 arch
908 build_suffix
909 cc
910 cpu
911 cross_prefix
ac63af34 912 extra_version
9da6609f
MR
913 host_cc
914 host_cflags
915 host_ldflags
916 host_libs
426be5dc 917 logfile
26759c44
MR
918 source_path
919 target_os
426be5dc 920"
520cc7f1 921
912f3148
DB
922# code dependency declarations
923
9eeed841
MR
924# architecture extensions
925altivec_deps="powerpc"
926armv5te_deps="armv4l"
927armv6_deps="armv4l"
f55b299a 928armvfp_deps="armv4l"
9eeed841 929iwmmxt_deps="armv4l"
e241ba14 930mmi_deps="mips"
9eeed841 931mmx_deps="x86"
fbef871d 932mmx2_deps="x86 mmx"
6b18d278 933neon_deps="armv4l"
9eeed841 934ssse3_deps="x86"
bd9d34a0 935vis_deps="sparc"
9eeed841 936
b6bb00b0
MR
937# common features
938fft_suggest="fft_mmx"
939fft_mmx_deps="mmx yasm"
40b509b3 940oldscaler_deps="!swscale"
b6bb00b0 941
912f3148 942# decoders / encoders
47a158cb 943aac_decoder_select="fft mdct"
d8d12c15 944ac3_decoder_deps="gpl"
47a158cb
MR
945ac3_decoder_select="fft mdct"
946atrac3_decoder_select="fft mdct"
4f034993 947cavs_decoder_select="golomb"
47a158cb 948cook_decoder_select="fft mdct"
2eef7c62 949cscd_decoder_suggest="zlib"
47a158cb 950dca_decoder_select="fft mdct"
2eef7c62 951dxa_decoder_select="zlib"
406ab5cc 952eac3_decoder_deps="gpl"
47a158cb 953eac3_decoder_select="fft mdct"
4f034993
MR
954ffv1_decoder_select="golomb"
955flac_decoder_select="golomb"
956flac_encoder_select="golomb"
2eef7c62
AJ
957flashsv_decoder_select="zlib"
958flashsv_encoder_select="zlib"
4f034993 959h264_decoder_select="golomb"
47a158cb 960imc_decoder_select="fft mdct"
4f034993
MR
961jpegls_decoder_select="golomb"
962jpegls_encoder_select="golomb"
963loco_decoder_select="golomb"
30fd06be 964mpeg_xvmc_decoder_deps="xvmc"
47a158cb
MR
965nellymoser_decoder_select="fft mdct"
966nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
967png_decoder_select="zlib"
968png_encoder_select="zlib"
47a158cb 969qdm2_decoder_select="fft mdct"
4f034993
MR
970shorten_decoder_select="golomb"
971sonic_decoder_select="golomb"
972sonic_encoder_select="golomb"
973sonic_ls_encoder_select="golomb"
974svq3_decoder_select="golomb"
bee2eac5 975svq3_decoder_suggest="zlib"
2eef7c62
AJ
976tiff_decoder_suggest="zlib"
977tiff_encoder_suggest="zlib"
978tscc_decoder_select="zlib"
47a158cb
MR
979vorbis_decoder_select="fft mdct"
980vorbis_encoder_select="fft mdct"
981wmav1_decoder_select="fft mdct"
982wmav1_encoder_select="fft mdct"
983wmav2_decoder_select="fft mdct"
984wmav2_encoder_select="fft mdct"
2eef7c62
AJ
985zlib_decoder_select="zlib"
986zlib_encoder_select="zlib"
987zmbv_decoder_select="zlib"
988zmbv_encoder_select="zlib"
30fd06be 989
912f3148 990# external libraries
f5a756ef
DB
991libamr_nb_decoder_deps="libamr_nb"
992libamr_nb_encoder_deps="libamr_nb"
993libamr_wb_decoder_deps="libamr_wb"
994libamr_wb_encoder_deps="libamr_wb"
1b71f045 995libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 996libdirac_encoder_deps="libdirac"
c9171a83 997libfaac_encoder_deps="libfaac"
69ddbd1d 998libfaad_decoder_deps="libfaad"
4ec45764 999libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1000libgsm_decoder_deps="libgsm"
1001libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1002libgsm_ms_decoder_deps="libgsm"
1003libgsm_ms_encoder_deps="libgsm"
1cc60c47 1004libmp3lame_encoder_deps="libmp3lame"
f7cd9eed
AS
1005libschroedinger_decoder_deps="libschroedinger"
1006libschroedinger_encoder_deps="libschroedinger"
ae14f311 1007libspeex_decoder_deps="libspeex"
150d2772 1008libtheora_encoder_deps="libtheora"
b0caf888 1009libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1010libx264_encoder_deps="libx264"
1011libxvid_encoder_deps="libxvid"
13566c31 1012mpeg4aac_decoder_deps="libfaad"
30fd06be 1013
912f3148 1014# demuxers / muxers
03a76ba9 1015ac3_demuxer_deps="ac3_parser"
50383e88 1016audio_beos_demuxer_deps="audio_beos"
4ec45764 1017audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1018audio_beos_muxer_deps="audio_beos"
4ec45764 1019audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1020avisynth_demuxer_deps="avisynth"
73483024 1021bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1022dirac_demuxer_deps="dirac_parser"
fe9bb347 1023dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1024libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1025libnut_demuxer_deps="libnut"
1026libnut_muxer_deps="libnut"
2eef7c62
AJ
1027matroska_demuxer_suggest="zlib bzlib"
1028mov_demuxer_suggest="zlib"
4bd8e17c 1029mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1030oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1031oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1032redir_demuxer_deps="network"
8eb793c4 1033rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1034rtsp_demuxer_deps="sdp_demuxer"
1035sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1036v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1037v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1038vfwcap_demuxer_deps="capCreateCaptureWindow"
1039vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1040x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1041x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1042
912f3148 1043# protocols
c08fb000
AB
1044http_protocol_deps="network"
1045rtp_protocol_deps="udp_protocol"
1046tcp_protocol_deps="network"
1047udp_protocol_deps="network"
1048
f7679c54 1049# filters
81124ba0 1050movie_filter_deps="avfilter_lavf"
f7679c54 1051
912f3148 1052# programs
fa859b4d 1053ffplay_deps="sdl"
6ad42348 1054ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
1055ffserver_extralibs='$ldl'
1056vhook_extralibs='$ldl'
a2830dca 1057
912f3148 1058
de6d9b64 1059# default parameters
8a608357 1060
2ba042a7 1061logfile="config.err"
8a608357
MR
1062
1063# installation paths
c9d19248
MR
1064prefix_default="/usr/local"
1065bindir_default='${prefix}/bin'
1066incdir_default='${prefix}/include'
1067libdir_default='${prefix}/lib'
1068mandir_default='${prefix}/share/man'
1069shlibdir_default="$libdir_default"
8a608357
MR
1070
1071# toolchain
13c7df3d 1072cc_default="gcc"
9da6609f 1073host_cc_default="gcc"
304d586d 1074yasmexe="yasm"
de6d9b64 1075ar="ar"
503d5b58 1076nm="nm"
be7109c1 1077ranlib="ranlib"
0f3cb305 1078strip="strip"
8a608357 1079asmalign_pot="unknown"
20369773 1080ln_s="ln -sf"
304d586d 1081objformat="elf"
8a608357
MR
1082
1083# machine
cc6a90dd 1084arch=`uname -m`
38d0a8aa 1085cpu="generic"
8a608357 1086
8a608357 1087# OS
4f854758 1088target_os=$(tolower $(uname -s))
8a608357 1089
8a608357 1090# configurable options
497237c7 1091enable debug
497237c7
RP
1092enable ffmpeg
1093enable ffplay
1094enable ffserver
1095enable ipv6
497237c7
RP
1096enable mpegaudio_hp
1097enable network
40b509b3 1098enable oldscaler
8400d6b8 1099enable optimizations
497237c7 1100enable protocols
530dc538 1101enable static
87a0fb62 1102enable stripping
8a608357
MR
1103vhook="default"
1104
8a608357 1105# build settings
11a9d3e8 1106add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1107SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 1108VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 1109FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1110LIBPREF="lib"
1111LIBSUF=".a"
c5f14466
RP
1112FULLNAME='$(NAME)$(BUILDSUF)'
1113LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1114SLIBPREF="lib"
1115SLIBSUF=".so"
c5f14466 1116SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1117SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1118SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1119LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1120
9da6609f
MR
1121host_cflags='-O3 -g -Wall'
1122host_libs='-lm'
1123
0d7dca36
DB
1124# gcc stupidly only outputs the basename of targets with -MM, but we need the
1125# full relative path for objects in subdirectories for non-recursive Make.
ec0bd3b9 1126DEPEND_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 1127
c597172e
MR
1128# find source path
1129source_path="`dirname \"$0\"`"
497237c7 1130enable source_path_used
c597172e
MR
1131if test -z "$source_path" -o "$source_path" = "." ; then
1132 source_path="`pwd`"
497237c7 1133 disable source_path_used
c597172e
MR
1134else
1135 source_path="`cd \"$source_path\"; pwd`"
1136 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1137 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1138fi
1139
c597172e
MR
1140FFMPEG_CONFIGURATION="$@"
1141
73ef8980
MR
1142find_things(){
1143 thing=$1
1144 pattern=$2
1145 file=$source_path/$3
932ccf39 1146 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1147}
1148
1149ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1150DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1151PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1152BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1153MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1154DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1155OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1156INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1157PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1158FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1159
7483e694
DB
1160enable $ARCH_EXT_LIST \
1161 $DECODER_LIST \
1162 $ENCODER_LIST \
1163 $PARSER_LIST \
1164 $BSF_LIST \
1165 $DEMUXER_LIST \
1166 $MUXER_LIST \
f7679c54 1167 $FILTER_LIST \
7483e694
DB
1168 $PROTOCOL_LIST \
1169 $INDEV_LIST \
1170 $OUTDEV_LIST \
c597172e
MR
1171
1172die_unknown(){
1173 echo "Unknown option \"$1\"."
1174 echo "See $0 --help for available options."
1175 exit 1
1176}
1177
794f8e97 1178show_list() {
bf0c4afa
RP
1179 suffix=_$1
1180 shift
1181 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1182 exit 0
1183}
1184
c597172e 1185for opt do
7483e694
DB
1186 optval="${opt#*=}"
1187 case "$opt" in
7483e694
DB
1188 --extra-cflags=*) add_cflags "$optval"
1189 ;;
1190 --extra-ldflags=*) add_ldflags "$optval"
1191 ;;
1192 --extra-libs=*) add_extralibs "$optval"
1193 ;;
8fb1cb58 1194 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1195 ;;
40bcf4c7
BL
1196 --enable-debug=*) debuglevel="$optval"
1197 ;;
7483e694
DB
1198 --enable-*=*|--disable-*=*)
1199 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1200 case "$thing" in
81124ba0 1201 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1202 *) die_unknown "$opt" ;;
1203 esac
1204 ;;
1205 --enable-?*|--disable-?*)
1206 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1207 if is_in $option $COMPONENT_LIST; then
1208 eval $action \$$(toupper ${option%s})_LIST
1209 elif is_in $option $CMDLINE_SELECT; then
1210 $action $option
1211 else
1212 die_unknown $opt
1213 fi
7483e694
DB
1214 ;;
1215 --list-*)
1216 NAME="${opt#--list-}"
1217 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1218 NAME=${NAME%s}
1219 eval show_list $NAME \$$(toupper $NAME)_LIST
1220 ;;
1221 --help|-h) show_help
1222 ;;
1223 *)
884a36a7 1224 optname="${opt%%=*}"
26759c44
MR
1225 optname="${optname#--}"
1226 optname=$(echo "$optname" | sed 's/-/_/g')
1227 is_in $optname $CMDLINE_SET || die_unknown $opt
1228 eval $optname='$optval'
7483e694
DB
1229 ;;
1230 esac
c597172e
MR
1231done
1232
bcea99bb
MR
1233disabled logging && logfile=/dev/null
1234
1235echo "# $0 $@" > $logfile
1236set >> $logfile
1237
9da6609f
MR
1238test -n "$cross_prefix" && enable cross_compile
1239
13c7df3d 1240cc_default="${cross_prefix}${cc_default}"
304d586d 1241yasmexe="${cross_prefix}${yasmexe}"
adb2b908
RP
1242ar="${cross_prefix}${ar}"
1243nm="${cross_prefix}${nm}"
1244ranlib="${cross_prefix}${ranlib}"
1245strip="${cross_prefix}${strip}"
1246
13c7df3d 1247set_default cc
9da6609f
MR
1248enabled cross_compile || host_cc_default=$cc
1249set_default host_cc
13c7df3d 1250
e4e69e0b
MR
1251# set temporary file name
1252if test ! -z "$TMPDIR" ; then
1253 TMPDIR1="${TMPDIR}"
1254elif test ! -z "$TEMPDIR" ; then
1255 TMPDIR1="${TEMPDIR}"
1256else
1257 TMPDIR1="/tmp"
1258fi
1259
1260TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1261TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1262TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1263TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1264TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1265TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1266
e9b9a2f8
MN
1267check_cflags -std=c99
1268
b24dbcbd
RP
1269case "$arch" in
1270 i386|i486|i586|i686|i86pc|BePC)
1271 arch="x86_32"
1272 enable fast_unaligned
1273 ;;
1274 x86_64|amd64)
1275 arch="x86_32"
34b37f86
DM
1276 enable cmov
1277 enable fast_cmov
b24dbcbd
RP
1278 enable fast_unaligned
1279 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1280 int test[sizeof(char*) - 7];
1281EOF
1282 ;;
1283 # armv4l is a subset of armv[567]*l
1284 arm|armv[4567]*l)
1285 arch="armv4l"
1286 ;;
1287 alpha)
1288 arch="alpha"
1289 enable fast_64bit
1290 ;;
1291 "Power Macintosh"|ppc|powerpc)
1292 arch="powerpc"
aa8bc0f1 1293 enable fast_unaligned
b24dbcbd
RP
1294 ;;
1295 ppc64)
1296 arch="powerpc"
1297 enable fast_64bit
aa8bc0f1 1298 enable fast_unaligned
b24dbcbd
RP
1299 ;;
1300 mips|mipsel|IP*)
1301 arch="mips"
1302 ;;
1303 sun4u|sparc64)
1304 arch="sparc64"
1305 enable fast_64bit
1306 ;;
1307 sparc)
1308 arch="sparc"
1309 ;;
1310 sh4)
1311 arch="sh4"
1312 ;;
1313 parisc)
1314 arch="parisc"
1315 ;;
1316 parisc64)
1317 arch="parisc"
1318 enable fast_64bit
1319 ;;
1320 s390|s390x)
1321 arch="s390"
1322 ;;
1323 m68k)
1324 arch="m68k"
1325 ;;
1326 ia64)
1327 arch="ia64"
1328 enable fast_64bit
1329 ;;
1330 bfin)
1331 arch="bfin"
1332 ;;
1333 *)
1334 arch="unknown"
1335 ;;
1336esac
1337
1338enable $arch
1339enabled_any x86_32 x86_64 && enable x86
1340enabled sparc64 && enable sparc
1341
7483e694 1342# OS specific
4f854758 1343case $target_os in
7483e694 1344 beos|haiku|zeta)
c9d19248 1345 prefix_default="$HOME/config"
7483e694
DB
1346 # helps building libavcodec
1347 add_cflags "-DPIC -fomit-frame-pointer"
1348 # 3 gcc releases known for BeOS, each with ugly bugs
1349 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1350 case "$gcc_version" in
1351 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1352 disable mmx
1353 ;;
1354 *20010315*) echo "BeBits gcc"
1355 add_cflags "-fno-expensive-optimizations"
1356 ;;
1357 esac
7483e694
DB
1358 SHFLAGS=-nostart
1359 # enable BeOS things
1360 enable audio_beos
1361 # no need for libm, but the inet stuff
1362 # Check for BONE
1363 # XXX: actually should check for NOT net_server
78fe7631 1364 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1365 network_extralibs="-lbind -lsocket"
1366 else
1367 enable beos_netserver
1368 network_extralibs="-lnet"
1369 fi ;;
1370 sunos)
1371 FFSERVERLDFLAGS=""
9987769a 1372 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694
DB
1373 network_extralibs="-lsocket -lnsl"
1374 ;;
1375 netbsd)
1376 oss_demuxer_extralibs="-lossaudio"
1377 oss_muxer_extralibs="-lossaudio"
1378 ;;
1379 openbsd)
1380 disable need_memalign
1381 LIBOBJFLAGS='$(PIC)'
7483e694
DB
1382 SHFLAGS='-shared'
1383 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1384 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1385 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1386 oss_demuxer_extralibs="-lossaudio"
1387 oss_muxer_extralibs="-lossaudio"
1388 ;;
1389 freebsd)
1390 disable need_memalign
1391 ;;
1392 bsd/os)
1393 osextralibs="-lpoll -lgnugetopt"
1394 strip="strip -d"
1395 ;;
1396 darwin)
1397 disable need_memalign
0138c54e 1398 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1399 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1400 strip="strip -x"
1401 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1402 SLIBSUF=".dylib"
1403 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1404 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1405 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1406 objformat="macho"
1b0f6fb8 1407 enabled x86_64 && objformat="macho64"
7483e694
DB
1408 ;;
1409 mingw32*)
4f854758 1410 target_os=mingw32
dcc01c06
RP
1411 LIBTARGET=i386
1412 if test $arch = x86_64; then
1413 disable need_memalign
1414 LIBTARGET=x64
1415 fi
fbd971a4 1416 shlibdir_default="$bindir_default"
7483e694
DB
1417 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1418 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1419 if enabled swscale; then
7483e694
DB
1420 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1421 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1422 fi
1423 disable ffserver
1424 SLIBPREF=""
1425 SLIBSUF=".dll"
1426 EXESUF=".exe"
1427 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1428 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1429 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1430 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1431 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1432 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1433 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1434 objformat="win32"
bc574408 1435 enable dos_paths
a85de417
SS
1436 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1437 die "ERROR: MinGW runtime version must be >= 3.15."
1438 enabled_any avisynth vfwcap_demuxer &&
1439 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 12)" ||
1440 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.12 or later."; }
7483e694
DB
1441 ;;
1442 cygwin*)
4f854758 1443 target_os=cygwin
fbd971a4 1444 shlibdir_default="$bindir_default"
7483e694
DB
1445 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1446 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1447 if enabled swscale; then
7483e694
DB
1448 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1449 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1450 fi
1451 EXESUF=".exe"
1452 SLIBPREF="cyg"
1453 SLIBSUF=".dll"
1454 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1455 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1456 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1457 objformat="win32"
bc574408 1458 enable dos_paths
7483e694 1459 ;;
4f365f37 1460 *-dos|freedos|opendos)
4f365f37
MK
1461 disable ffplay ffserver vhook
1462 disable $INDEV_LIST $OUTDEV_LIST
1463 network_extralibs="-lsocket"
1464 EXESUF=".exe"
304d586d 1465 objformat="win32"
bc574408 1466 enable dos_paths
4f365f37 1467 ;;
7483e694 1468 linux)
7483e694
DB
1469 enable dv1394
1470 ;;
1471 irix*)
4f854758 1472 target_os=irix
7483e694
DB
1473 ranlib="echo ignoring ranlib"
1474 ;;
d22e8442 1475 os/2*)
d22e8442
DY
1476 strip="lxlite"
1477 ln_s="cp -f"
d22e8442
DY
1478 EXESUF=".exe"
1479 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1480 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1481 FFSERVERLDFLAGS=""
287d3b13 1482 LIBSUF="_s.a"
d22e8442
DY
1483 SLIBPREF=""
1484 SLIBSUF=".dll"
1485 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1486 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1487 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1488 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1489 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1490 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1491 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1492 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1493 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1494 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1495 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1496 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1497 disable vhook
bc574408 1498 enable dos_paths
d22e8442 1499 ;;
269820f1
PR
1500 interix)
1501 disable vhook
1502 ;;
d22e8442 1503
7483e694 1504 *)
4f854758 1505 target_os="${target_os}-UNKNOWN"
7483e694
DB
1506 ;;
1507esac
1508
c9d19248
MR
1509set_default $PATHS_LIST
1510
c597172e 1511add_extralibs $osextralibs
de6d9b64 1512
28d8e661
DB
1513# Combine FFLDFLAGS and the LDFLAGS environment variable.
1514LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1515
320d060a 1516# we need to build at least one lib type
93b3c083 1517if ! enabled_any static shared; then
320d060a
DB
1518 cat <<EOF
1519At least one library type must be built.
1520Specify --enable-static to build the static libraries or --enable-shared to
1521build the shared libraries as well. To only build the shared libraries specify
1522--disable-static in addition to --enable-shared.
1523EOF
1524 exit 1;
1525fi
1526
abc4e572 1527disabled static && LIBNAME=""
2a320695 1528
a2234ceb
RP
1529if enabled_any libfaad libfaadbin ; then
1530 if check_header faad.h; then
295b8c70 1531 check_cc <<EOF
a2234ceb
RP
1532#include <faad.h>
1533#ifndef FAAD2_VERSION
1534ok faad1
1535#endif
db817cf3 1536int main(void) { return 0; }
a2234ceb
RP
1537EOF
1538 test $? = 0 && enable libfaad2
1539 else
ff3dac65 1540 die "FAAD test failed."
a2234ceb
RP
1541 fi
1542fi
1543
1544
93b3c083 1545if ! enabled gpl; then
54118497
RP
1546 die_gpl_disabled(){
1547 name=$1
1548 shift
1549 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1550 }
4a24ab64 1551 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1552 die_gpl_disabled "libx264" libx264
1553 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1554 die_gpl_disabled "FAAD2" libfaad2
1555 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1556 die_gpl_disabled "The software scaler" swscale
ebb810d9 1557fi
b2e3c528 1558
3fe142e2
DB
1559if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1560 die "libamr is nonfree and --enable-nonfree is not specified."
1561fi
1562
9eeed841 1563check_deps $ARCH_EXT_LIST
0f3cb305 1564
5d323602
MR
1565test -z "$need_memalign" && need_memalign="$mmx"
1566
cf9d24ad 1567#Darwin CC versions
4f854758 1568if test $target_os = darwin; then
3dddba4b 1569 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4 1570 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
cf9d24ad 1571 else
8541cc27 1572 add_cflags "-pipe"
26c1b3be
DB
1573 check_cflags "-force_cpusubtype_ALL"
1574 check_cflags "-Wno-sign-compare"
f946a9a4 1575 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1576 fi
2a1a6b64
MN
1577fi
1578
40617a6d 1579disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1580
a4adb608 1581# Add processor-specific flags
38d0a8aa 1582if test $cpu != "generic"; then
bc8ec47b
MR
1583 warn_altivec(){
1584 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1585 }
38d0a8aa 1586 case $cpu in
bb270c08 1587 601|ppc601|PowerPC601)
1c5d830c 1588 add_cflags "-mcpu=601"
bc8ec47b 1589 warn_altivec enabled PPC601
bb270c08
DB
1590 ;;
1591 603*|ppc603*|PowerPC603*)
1c5d830c 1592 add_cflags "-mcpu=603"
bc8ec47b 1593 warn_altivec enabled PPC603
bb270c08
DB
1594 ;;
1595 604*|ppc604*|PowerPC604*)
1c5d830c 1596 add_cflags "-mcpu=604"
bc8ec47b 1597 warn_altivec enabled PPC604
bb270c08
DB
1598 ;;
1599 G3|g3|75*|ppc75*|PowerPC75*)
1c5d830c 1600 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
bc8ec47b 1601 warn_altivec enabled PPC75x
bb270c08
DB
1602 ;;
1603 G4|g4|745*|ppc745*|PowerPC745*)
1c5d830c 1604 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
bc8ec47b 1605 warn_altivec disabled PPC745x
bb270c08
DB
1606 ;;
1607 74*|ppc74*|PowerPC74*)
1c5d830c 1608 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
bc8ec47b 1609 warn_altivec disabled PPC74xx
bb270c08
DB
1610 ;;
1611 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1c5d830c 1612 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
bc8ec47b 1613 warn_altivec disabled PPC970
9cafbd6c 1614 enable ppc64
bb270c08 1615 ;;
e07e357d
LB
1616 Cell|CELL|cell)
1617 add_cflags "-mcpu=cell"
1618 warn_altivec disabled Cell
9cafbd6c 1619 enable ppc64
e07e357d 1620 ;;
e7768fc5
GP
1621 # targets that do NOT support conditional mov (cmov)
1622 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
38d0a8aa 1623 add_cflags "-march=$cpu"
497237c7 1624 disable cmov
e7768fc5
GP
1625 ;;
1626 # targets that do support conditional mov (cmov)
416519dd 1627 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
e7768fc5 1628 add_cflags "-march=$cpu"
497237c7
RP
1629 enable cmov
1630 enable fast_cmov
94e4c3a3
GP
1631 ;;
1632 # targets that do support conditional mov but on which it's slow
800a5a19 1633 pentium4|pentium4m|prescott|nocona)
94e4c3a3 1634 add_cflags "-march=$cpu"
497237c7
RP
1635 enable cmov
1636 disable fast_cmov
bb270c08 1637 ;;
d7b34d08 1638 sparc64)
1c5d830c 1639 add_cflags "-mcpu=v9"
d7b34d08 1640 ;;
f2e49553
MR
1641 arm11*|cortex*)
1642 add_cflags "-mcpu=$cpu"
1643 enable fast_unaligned
1644 ;;
0223bd6f
MR
1645 armv*)
1646 add_cflags "-march=$cpu"
1647 ;;
f2e49553 1648 arm*)
6b19786b
MR
1649 add_cflags "-mcpu=$cpu"
1650 ;;
bb270c08 1651 *)
7483e694 1652 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1653 ;;
a4adb608
MN
1654 esac
1655fi
1656
be0d52ab 1657# make sure we can execute files in $TMPDIR
2270b4b2 1658cat > $TMPSH 2>> $logfile <<EOF
be0d52ab
MR
1659#! /bin/sh
1660EOF
2270b4b2
DB
1661chmod +x $TMPSH >> $logfile 2>&1
1662if ! $TMPSH >> $logfile 2>&1; then
be0d52ab
MR
1663 cat <<EOF
1664Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
68300911
DB
1665variable to another directory and make sure that $TMPDIR1 is not mounted
1666noexec.
be0d52ab
MR
1667EOF
1668 die "Sanity test failed."
1669fi
edd08265 1670rm $TMPSH
be0d52ab 1671
1a268acc
MR
1672# compiler sanity check
1673check_exec <<EOF
c23a0ac8 1674int main(void){ return 0; }
1a268acc
MR
1675EOF
1676if test "$?" != 0; then
1677 echo "$cc is unable to create an executable file."
93b3c083 1678 if test -z "$cross_prefix" && ! enabled cross_compile ; then
db6107b6 1679 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
c7ae6345 1680 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1681 fi
1682 die "C compiler test failed."
1683fi
1684
b4d96ba2
MR
1685check_cc <<EOF || die "Symbol mangling check failed."
1686int ff_extern;
1687EOF
2f05d9c1 1688sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1689extern_prefix=${sym%%ff_extern*}
1690
61d251db
MR
1691check_asm inline_asm '""'
1692
9eeed841 1693if enabled x86; then
44965991
PI
1694 # check whether EBP is available on x86
1695 # As 'i' is stored on the stack, this program will crash
1696 # if the base pointer is used to access it because the
1697 # base pointer is cleared in the inline assembly code.
7dfef245 1698 check_exec_crash <<EOF && enable ebp_available
44965991 1699 volatile int i=0;
be449fca 1700 __asm__ volatile (
44965991
PI
1701 "xorl %%ebp, %%ebp"
1702 ::: "%ebp");
1703 return i;
44965991
PI
1704EOF
1705
1706 # check wether EBX is available on x86
940f335a 1707 check_asm ebx_available '"":::"%ebx"'
8e380710 1708
d7f0920b 1709 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1710 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1711 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1712
1713 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d
LM
1714
1715 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1716 enabled x86_64 && append YASMFLAGS "-m amd64"
1717 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1718 case "$objformat" in
1719 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1720 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1721 *) append YASMFLAGS "-DPREFIX" ;;
1722 esac
1723 check_yasm "pabsw xmm0, xmm0" && enable yasm
44965991
PI
1724fi
1725
87ea51e0
LB
1726# check for assembler specific support
1727
cc6a90dd 1728if test $arch = "powerpc"; then
5eb39de9 1729 check_asm dcbzl '"dcbzl 0, 1"'
87ea51e0
LB
1730fi
1731
57bd82d4
MR
1732# check for SIMD availability
1733
115329f1 1734# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1735if enabled altivec; then
3ed1a2ee
DB
1736 check_cflags -maltivec -mabi=altivec &&
1737 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1738 check_cflags -faltivec
b6e52719 1739
0182fee8 1740 # check if our compiler supports Motorola AltiVec C API
497237c7 1741 check_cc <<EOF || disable altivec
dcd479c0 1742$inc_altivec_h
a9a07762
MN
1743int main(void) {
1744 vector signed int v1, v2, v3;
1745 v1 = vec_add(v2,v3);
1746 return 0;
1747}
1748EOF
b006b26c
DB
1749
1750 # check if our compiler supports braces for vector declarations
80a61f08 1751 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1752$inc_altivec_h
80a61f08 1753int main (void) { (vector int) {1}; return 0; }
b006b26c 1754EOF
a9a07762 1755fi
ab6c65f6 1756
b4e806b2
MC
1757# We have to check if pld is a nop and disable it.
1758enabled armv4l && check_asm pld '"pld [r0]"'
940f335a
MR
1759enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1760enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
f55b299a 1761enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1762enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1763enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1764enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1765enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1766
8b03def6
DB
1767enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1768
57bd82d4
MR
1769# ---
1770# big/little-endian test
9eebe687
MR
1771check_cc <<EOF || die "endian test failed"
1772unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1773EOF
d04d9e16 1774od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1775
a3999908 1776# ---
3d204385
NK
1777# check availability of some header files
1778
a98bb16d
RP
1779if check_func dlopen; then
1780 ldl=
1781elif check_func dlopen -ldl; then
1782 ldl=-ldl
8bf5d58f
MN
1783fi
1784
7483e694
DB
1785check_func fork
1786check_func gethrtime
1787check_func getrusage
094c09bb 1788check_func inet_aton $network_extralibs
7483e694
DB
1789check_func memalign
1790check_func mkstemp
2446d3d6 1791check_func_headers windows.h GetProcessTimes
6ffa87d3 1792
e16e49ac 1793check_header conio.h
a98bb16d
RP
1794check_header dlfcn.h
1795check_header malloc.h
bf6ce82d 1796check_header poll.h
b58412f1 1797check_header sys/mman.h
b091aa44 1798check_header sys/resource.h
bf6ce82d 1799check_header sys/select.h
a98bb16d
RP
1800check_header termios.h
1801
1802if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1803 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1804fi
e16e49ac 1805
2eef7c62
AJ
1806disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1807disabled bzlib || check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1808
1809# check for some common methods of building with pthread support
1810# do this before the optional library checks as some of them require pthreads
1811if enabled pthreads; then
9e7fd101
MR
1812 if check_func pthread_create; then
1813 :
1814 elif check_func pthread_create -pthread; then
1815 add_cflags -pthread
afc9aee2 1816 add_extralibs -pthread
9e7fd101
MR
1817 elif check_func pthread_create -pthreads; then
1818 add_cflags -pthreads
afc9aee2 1819 add_extralibs -pthreads
8d94f606
GT
1820 elif check_func pthread_create -lpthreadGC2; then
1821 add_extralibs -lpthreadGC2
9e7fd101
MR
1822 elif ! check_lib pthread.h pthread_create -lpthread; then
1823 die "ERROR: can't find pthreads library"
1824 fi
57bd82d4
MR
1825fi
1826
8eee7025 1827for thread in $THREADS_LIST; do
e5f94c2b 1828 if enabled $thread; then
3ae3b721
RP
1829 test -n "$thread_type" &&
1830 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1831 thread_type="$thread"
e5f94c2b
RP
1832 fi
1833done
1834
fdf88598
MR
1835check_lib math.h sin -lm
1836
a33cab3a
MK
1837# test for C99 functions in math.h
1838for func in llrint lrint lrintf round roundf; do
1839 check_exec <<EOF && enable $func || disable $func
f32adb22 1840#include <math.h>
a33cab3a 1841int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1842EOF
a33cab3a 1843done
f32adb22 1844
57bd82d4 1845# these are off by default, so fail if requested and not available
79fda097 1846enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1847enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1848enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 1849enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
1850 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1851 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1852enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1853enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 1854enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 1855enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 1856enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
36718e51
DB
1857enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1858 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 1859enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
1860enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1861enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 1862enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
1863 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1864 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 1865enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 1866enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1867
0b4a1821
AS
1868# libdc1394 check
1869if enabled libdc1394; then
1870 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1871 enable libdc1394_2; } ||
1872 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1873 enable libdc1394_1; } ||
1874 die "ERROR: No version of libdc1394 found "
1875fi
1876
1877
c13e1abd
FH
1878_restrict=
1879for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1880 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1881void foo(char * $restrict_keyword p);
1882EOF
c13e1abd
FH
1883done
1884
703afd07 1885test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1886
4f854758 1887if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1888 disable vhook
fbb9d104 1889 echo
b0268cc0 1890 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1891 echo "Patches welcome."
1892 echo
1893fi
1894
8d923001
MR
1895if enabled vhook; then
1896 check_ldflags -rdynamic
1897 check_ldflags -export-dynamic
1898fi
bfd2edeb 1899
eea50282
MR
1900check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1901check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1902
a86b921c 1903##########################################
29799f8b 1904# SDL check
a86b921c 1905
497237c7
RP
1906disable sdl_too_old
1907disable sdl
6a1a892f 1908SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1909if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
1910 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1911 temp_cflags $sdl_cflags
dcd479c0 1912 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 1913 if check_lib2 SDL.h SDL_Init; then
dcd479c0 1914 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1915 if test "$_sdlversion" -lt 121 ; then
497237c7 1916 enable sdl_too_old
dcd479c0 1917 else
497237c7 1918 enable sdl
225e21ef 1919 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 1920#include <SDL.h>
d6773f56 1921int main(int argc, char **argv){
29f3b38a
MR
1922 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1923 int w = vi->current_w;
1924 return 0;
1925}
1926EOF
dcd479c0
MR
1927 fi
1928 fi
29f3b38a 1929 restore_flags
c3f6b472 1930fi
57bd82d4 1931
2270b4b2 1932texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 1933
7a91333f 1934##########################################
73b46a95
RP
1935# Network check
1936
1937if enabled network; then
668b65bd 1938 check_type sys/socket.h socklen_t
73b46a95
RP
1939 # Prefer arpa/inet.h over winsock2
1940 if check_header arpa/inet.h ; then
1941 check_func closesocket
1942 elif check_header winsock2.h ; then
ea10ddde 1943 network_extralibs="-lws2_32"
72be9e73 1944 check_type ws2tcpip.h socklen_t
2446d3d6 1945 check_func_headers winsock2.h closesocket
73b46a95
RP
1946 fi
1947fi
1948
1949##########################################
29799f8b 1950# IPv6 check
7a91333f 1951
497237c7 1952enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
1953#include <sys/types.h>
1954#include <sys/socket.h>
1955#include <netinet/in.h>
1956#include <netdb.h>
db817cf3 1957int main(void) {
7483e694
DB
1958 struct sockaddr_storage saddr;
1959 struct ipv6_mreq mreq6;
1960 getaddrinfo(0,0,0,0);
1961 getnameinfo(0,0,0,0,0,0,0);
1962 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
1963}
1964EOF
1965
06e31011
RP
1966check_header linux/videodev.h
1967check_header linux/videodev2.h
1b6e8b73 1968check_header sys/videoio.h
47f38850 1969
2446d3d6 1970check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 1971
f8aa696f 1972# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
1973{ check_header dev/bktr/ioctl_meteor.h &&
1974 check_header dev/bktr/ioctl_bt848.h; } ||
1975{ check_header machine/ioctl_meteor.h &&
1976 check_header machine/ioctl_bt848.h; } ||
1977{ check_header dev/video/meteor/ioctl_meteor.h &&
1978 check_header dev/video/bktr/ioctl_bt848.h; } ||
1979check_header dev/ic/bt8xx.h
f8aa696f 1980
c7682de0
RP
1981check_header sys/soundcard.h
1982check_header soundcard.h
deb29777 1983
7483e694 1984# deal with the X11 frame grabber
56a059ac 1985enabled x11grab &&
f58f4ce1
GP
1986check_header X11/Xlib.h &&
1987check_header X11/extensions/XShm.h &&
1988check_func XOpenDisplay -lX11 &&
06eab4ba 1989check_func XShmCreateImage -lX11 -lXext
f58f4ce1 1990
40bcf4c7 1991enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
1992
1993# add some useful compiler flags if supported
1994check_cflags -Wdeclaration-after-statement
dcd479c0
MR
1995check_cflags -Wall
1996check_cflags -Wno-switch
c07bd6a9
MN
1997check_cflags -Wdisabled-optimization
1998check_cflags -Wpointer-arith
1999check_cflags -Wredundant-decls
cc1fb623 2000check_cflags -Wno-pointer-sign
f4929996 2001check_cflags -Wcast-qual
9aceb3cf 2002check_cflags -Wwrite-strings
652a5bf6 2003check_cflags -Wtype-limits
5af4e0cc 2004enabled extra_warnings && check_cflags -Winline
cf9d24ad 2005
57bd82d4 2006# add some linker flags
5c0e9479 2007check_ldflags -Wl,--warn-common
8351d2ba
DB
2008check_ldflags -Wl,--as-needed
2009check_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 2010check_ldflags -Wl,-Bsymbolic
94a3401e 2011
bd2216e4
MR
2012if enabled small; then
2013 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2014 optimizations="small"
2015elif enabled optimizations; then
3dddba4b 2016 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4
NP
2017 add_cflags "-O5"
2018 add_ldflags "-O5"
cf9d24ad 2019 else
30a3e5d4 2020 add_cflags "-O3"
cf9d24ad 2021 fi
cddf3f45 2022fi
11fdbc44 2023check_cflags -fno-math-errno
b2eb2ff0 2024check_cflags -fno-signed-zeros
cddf3f45 2025
504a64b9 2026# add some flags for Intel C Compiler
0c45cd07 2027if $cc --version 2> /dev/null | grep -q Intel; then
504a64b9
CEH
2028 # Just warnings, no remarks
2029 check_cflags -w1
2030 # -wd: Disable following warnings
2031 # 144, 167, 556: -Wno-pointer-sign
2032 # 10006: ignoring unknown option -fno-signed-zeros
2033 # 10156: ignoring option '-W'; no argument required
2034 check_cflags -wd144,167,556,10006,10156
2035 # 11030: Warning unknown option --as-needed
2036 # 10156: ignoring option '-export'; no argument required
2037 check_ldflags -wd10156,11030
907eb3b5
CEH
2038 # Allow to compile with optimizations
2039 check_ldflags -march=$cpu
504a64b9
CEH
2040fi
2041
80581e98 2042# PIC flags for shared library objects where they are needed
5af4e0cc 2043if enabled shared; then
569cb218
MR
2044 # LIBOBJFLAGS may have already been set in the OS configuration
2045 if test -z "$LIBOBJFLAGS" ; then
2046 case "$arch" in
b6bd7268 2047 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2048 esac
2049 fi
80581e98
MN
2050fi
2051
90be59ef 2052if enabled gprof; then
30a3e5d4
NP
2053 add_cflags "-p"
2054 add_ldflags "-p"
1db54e20
DB
2055fi
2056
3b26ee47 2057VHOOKCFLAGS="-fPIC"
18451f7d 2058
7f3c02fc 2059# Find out if the .align argument is a power of two or not.
4454dc1b 2060if test $asmalign_pot = "unknown"; then
497237c7 2061 disable asmalign_pot
be449fca 2062 echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
4454dc1b
JD
2063fi
2064
7483e694
DB
2065enabled_any $DECODER_LIST && enable decoders
2066enabled_any $ENCODER_LIST && enable encoders
2067enabled_any $BSF_LIST && enable bsfs
2068enabled_any $DEMUXER_LIST && enable demuxers
2069enabled_any $MUXER_LIST && enable muxers
f7679c54 2070enabled_any $FILTER_LIST && enable filters
7483e694
DB
2071enabled_any $INDEV_LIST && enable demuxers
2072enabled_any $OUTDEV_LIST && enable muxers
2073enabled_any $PROTOCOL_LIST && enable protocols
2074
2075enabled_any $THREADS_LIST && enable threads
2076
2077check_deps $CONFIG_LIST \
b6bb00b0 2078 $CONFIG_EXTRA \
7483e694
DB
2079 $HAVE_LIST \
2080 $DECODER_LIST \
2081 $ENCODER_LIST \
2082 $PARSER_LIST \
2083 $BSF_LIST \
2084 $DEMUXER_LIST \
2085 $MUXER_LIST \
f7679c54 2086 $FILTER_LIST \
7483e694
DB
2087 $INDEV_LIST \
2088 $OUTDEV_LIST \
2089 $PROTOCOL_LIST \
f70f03f6 2090
f7b8bffe 2091enabled libdc1394 && append pkg_requires "libraw1394"
690bfceb 2092enabled libdirac && append pkg_requires "dirac"
fb2ce7d9 2093enabled libtheora && append pkg_requires "theora"
f9def9cc 2094enabled libvorbis && append pkg_requires "vorbisenc"
fb2ce7d9 2095
3e89171a 2096echo "install prefix $prefix"
f36958f8
DB
2097echo "source path $source_path"
2098echo "C compiler $cc"
bfd5afd8 2099echo ".align is power-of-two $asmalign_pot"
f36958f8 2100echo "ARCH $arch ($cpu)"
ce8871c2
MR
2101if test "$build_suffix" != ""; then
2102 echo "build suffix $build_suffix"
eb94aca9 2103fi
ac63af34
DB
2104if test "$extra_version" != ""; then
2105 echo "version string suffix $extra_version"
2106fi
0db2ce77 2107echo "big-endian ${bigendian-no}"
419b8784 2108if test $arch = "x86_32" -o $arch = "x86_64"; then
af44e8e4 2109 echo "yasm ${yasm-no}"
0db2ce77
MR
2110 echo "MMX enabled ${mmx-no}"
2111 echo "CMOV enabled ${cmov-no}"
2112 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2113 echo "EBX available ${ebx_available-no}"
2114 echo "EBP available ${ebp_available-no}"
e41e8342 2115fi
cc6a90dd 2116if test $arch = "armv4l"; then
0db2ce77
MR
2117 echo "ARMv5TE enabled ${armv5te-no}"
2118 echo "ARMv6 enabled ${armv6-no}"
f55b299a 2119 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2120 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2121 echo "NEON enabled ${neon-no}"
eba9ae3c 2122fi
e241ba14 2123if test $arch = "mips"; then
0db2ce77 2124 echo "MMI enabled ${mmi-no}"
e41e8342 2125fi
cc6a90dd 2126if test $arch = "powerpc"; then
0db2ce77
MR
2127 echo "AltiVec enabled ${altivec-no}"
2128 echo "dcbzl available ${dcbzl-no}"
e41e8342 2129fi
0db2ce77
MR
2130echo "gprof enabled ${gprof-no}"
2131echo "debug symbols ${debug-no}"
87a0fb62 2132echo "strip symbols ${stripping-no}"
8400d6b8 2133echo "optimizations ${optimizations-no}"
0db2ce77
MR
2134echo "static ${static-no}"
2135echo "shared ${shared-no}"
4a24ab64 2136echo "postprocessing support ${postproc-no}"
13ca50f3 2137echo "software scaler enabled ${swscale-no}"
f7679c54 2138echo "new filter support ${avfilter-no}"
81124ba0 2139echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2140echo "video hooking ${vhook-no}"
90be59ef 2141if enabled vhook; then
0db2ce77
MR
2142 echo "Imlib2 support ${imlib2-no}"
2143 echo "FreeType support ${freetype2-no}"
68892110 2144fi
0db2ce77 2145echo "network support ${network-no}"
90be59ef 2146if enabled network; then
0db2ce77 2147 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2148fi
0db2ce77
MR
2149echo "threading support ${thread_type-no}"
2150echo "SDL support ${sdl-no}"
90be59ef 2151if enabled sdl_too_old; then
bfd5afd8
DB
2152 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2153fi
0db2ce77
MR
2154echo "Sun medialib support ${mlib-no}"
2155echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2156echo "libamr-nb support ${libamr_nb-no}"
2157echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2158echo "libdc1394 support ${libdc1394-no}"
690bfceb 2159echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2160echo "libfaac enabled ${libfaac-no}"
2161echo "libfaad enabled ${libfaad-no}"
7e0871a7 2162echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2163echo "libgsm enabled ${libgsm-no}"
2164echo "libmp3lame enabled ${libmp3lame-no}"
2165echo "libnut enabled ${libnut-no}"
f7cd9eed 2166echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2167echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2168echo "libtheora enabled ${libtheora-no}"
2169echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2170echo "libx264 enabled ${libx264-no}"
2171echo "libxvid enabled ${libxvid-no}"
0db2ce77 2172echo "zlib enabled ${zlib-no}"
f402916e 2173echo "bzlib enabled ${bzlib-no}"
2c62e737 2174echo
de6d9b64 2175
f7679c54 2176for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2177 echo "Enabled ${type}s:"
f65c9da1 2178 eval list=\$$(toupper $type)_LIST
8138b9db 2179 for part in $list; do
f65c9da1
MR
2180 enabled $part && echo ${part%_*}
2181 done | sort | pr -3 -t
2182 echo
8138b9db
RP
2183done
2184
ba321adb
JK
2185license="LGPL"
2186if enabled nonfree; then
2187 license="unredistributable"
2188elif enabled gpl; then
2189 license="GPL"
2190fi
2191
2192echo "License: $license"
ca5323af 2193
cf1392e9
DB
2194echo "Creating config.mak and config.h..."
2195
29799f8b
DB
2196echo "# Automatically generated by configure - do not modify!" > config.mak
2197echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2198echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2199echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2200echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
de6d9b64 2201
d921f03f 2202echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2203echo "prefix=$prefix" >> config.mak
22a324da
DB
2204echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2205echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2206echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2207echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2208echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2209echo "CC=$cc" >> config.mak
304d586d 2210echo "YASM=$yasmexe" >> config.mak
980fc7b8 2211echo "AR=$ar" >> config.mak
be7109c1 2212echo "RANLIB=$ranlib" >> config.mak
20369773 2213echo "LN_S=$ln_s" >> config.mak
87a0fb62 2214enabled stripping &&
3ae3b721 2215 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2216 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2217
a9b3f630 2218echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2219echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2220echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2221echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2222echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2223echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2224echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2225echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2226echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2227echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2228echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2229echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2230echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2231echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2232echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2233echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2234echo "SLIBSUF=$SLIBSUF" >> config.mak
2235echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2236echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2237echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2238echo "HOSTCC=$host_cc" >> config.mak
2239echo "HOSTCFLAGS=$host_cflags" >> config.mak
2240echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2241echo "HOSTLIBS=$host_libs" >> config.mak
4dc62701 2242
90be59ef 2243if enabled bigendian; then
7483e694
DB
2244 echo "WORDS_BIGENDIAN=yes" >> config.mak
2245 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2246fi
44161118 2247
90be59ef 2248if enabled sdl; then
7483e694
DB
2249 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2250 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2251fi
90be59ef 2252if enabled texi2html; then
7483e694 2253 echo "BUILD_DOC=yes" >> config.mak
146ea952 2254fi
5a872801 2255
719c8e00
MR
2256get_version(){
2257 name=$1
2258 file=$source_path/$2
147e7692
MR
2259 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2260 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2261 lcname=$(tolower $name)
2262 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2263 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2264}
2265
147e7692
MR
2266get_version LIBSWSCALE libswscale/swscale.h
2267get_version LIBPOSTPROC libpostproc/postprocess.h
2268get_version LIBAVCODEC libavcodec/avcodec.h
2269get_version LIBAVDEVICE libavdevice/avdevice.h
2270get_version LIBAVFORMAT libavformat/avformat.h
2271get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2272get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2273
5af4e0cc 2274if enabled shared; then
7483e694
DB
2275 echo "BUILD_SHARED=yes" >> config.mak
2276 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2277 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2278 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2279 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2280 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2281 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2282 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2283 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2284 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2285fi
d7e27559 2286echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2287echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2288
3d907e22
MR
2289print_config ARCH_ $TMPH config.mak $ARCH_LIST
2290print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2291print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2292 $CONFIG_EXTRA \
7483e694
DB
2293 $DECODER_LIST \
2294 $ENCODER_LIST \
2295 $PARSER_LIST \
2296 $BSF_LIST \
2297 $DEMUXER_LIST \
2298 $MUXER_LIST \
f7679c54 2299 $FILTER_LIST \
7483e694
DB
2300 $PROTOCOL_LIST \
2301 $INDEV_LIST \
2302 $OUTDEV_LIST \
8ac17293 2303
c13e1abd
FH
2304echo "#define restrict $_restrict" >> $TMPH
2305
bd2216e4 2306if enabled small; then
7483e694 2307 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2308fi
2309
997baf01
MR
2310echo "SRC_PATH=\"$source_path\"" >> config.mak
2311echo "SRC_PATH_BARE=$source_path" >> config.mak
2312echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2313
8156056e 2314# Apparently it's not possible to portably echo a backslash.
3ae3b721 2315enabled asmalign_pot &&
7483e694 2316 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2317 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2318
b4d96ba2 2319echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2320
9c05103f
DB
2321echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2322
b7860763 2323# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2324cmp -s $TMPH config.h &&
2325 echo "config.h is unchanged" ||
2326 mv -f $TMPH config.h
3d204385 2327
cea0ac52 2328rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2329
165af439 2330# build tree in object directory if source path is different from current one
90be59ef 2331if enabled source_path_used; then
165af439 2332 DIRS="\
7483e694
DB
2333 doc \
2334 libavcodec \
2335 libavcodec/alpha \
2336 libavcodec/armv4l \
2337 libavcodec/bfin \
2338 libavcodec/i386 \
2339 libavcodec/mlib \
2340 libavcodec/ppc \
2341 libavcodec/sh4 \
2342 libavcodec/sparc \
52a9cf34 2343 libavdevice \
f7679c54 2344 libavfilter \
7483e694
DB
2345 libavformat \
2346 libavutil \
2347 libpostproc \
2348 libswscale \
2349 tests \
2350 tools \
2351 vhook \
2352 "
165af439 2353 FILES="\
7483e694
DB
2354 Makefile \
2355 common.mak \
71c61f62 2356 subdir.mak \
7483e694
DB
2357 doc/texi2pod.pl \
2358 libavcodec/Makefile \
52a9cf34 2359 libavdevice/Makefile \
f7679c54 2360 libavfilter/Makefile \
7483e694
DB
2361 libavformat/Makefile \
2362 libavutil/Makefile \
2363 libpostproc/Makefile \
2364 libswscale/Makefile \
2365 "
165af439 2366 for dir in $DIRS ; do
7483e694 2367 mkdir -p $dir
165af439
MR
2368 done
2369 for f in $FILES ; do
20369773 2370 $ln_s "$source_path/$f" $f
165af439
MR
2371 done
2372fi
def4272a 2373
def4272a 2374
d0674868 2375# build pkg-config files
def4272a 2376
d0674868
DB
2377pkgconfig_generate(){
2378name=$1
b0dfd108 2379shortname=${name#lib}${build_suffix}
d0674868
DB
2380comment=$2
2381version=$3
2382libs=$4
2383requires=$5
25cd5cb3 2384cat <<EOF > $name/$name.pc
3e89171a 2385prefix=$prefix
a94e666c 2386exec_prefix=\${prefix}
f2b7382c 2387libdir=$libdir
7622778e 2388includedir=$incdir
def4272a 2389
d0674868
DB
2390Name: $name
2391Description: $comment
2392Version: $version
5dcfe9f8
AH
2393Requires: $(disabled shared && echo $requires)
2394Requires.private: $(enabled shared && echo $requires)
def4272a 2395Conflicts:
12701f6e
AH
2396Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2397Libs.private: $(enabled shared && echo $libs)
76a448ed 2398Cflags: -I\${includedir}
def4272a 2399EOF
25cd5cb3 2400cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2401prefix=
2402exec_prefix=
46d1ff83 2403libdir=\${pcfiledir}
1d44d365 2404includedir=${source_path}
def4272a 2405
d0674868
DB
2406Name: $name
2407Description: $comment
2408Version: $version
2409Requires: $requires
def4272a 2410Conflicts:
12701f6e 2411Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2412Cflags: -I\${includedir}
2413EOF
d0674868 2414}
def4272a 2415
e426941d 2416pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
e426941d 2417pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
e426941d 2418pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
e426941d 2419pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2420enabled avfilter &&
35a71f1d 2421 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2422enabled postproc &&
e426941d 2423 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2424if enabled swscale; then
e426941d 2425 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2426else
f436a23e 2427 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2428 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2429fi