configure: add enable_weak and disable_weak
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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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
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
MR
24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
MR
27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
505dfb09
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
74c53c2d
MR
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"
8c6afa4d
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]"
74c53c2d
MR
71 echo " --enable-static build static libraries [default=yes]"
72 echo " --disable-static do not build static libraries [default=no]"
73 echo " --enable-shared build shared libraries [default=no]"
74 echo " --disable-shared do not build shared libraries [default=yes]"
0a622b98
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75 echo " --enable-gpl allow use of GPL code, the resulting libav*"
76 echo " and ffmpeg will be under GPL [default=no]"
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DB
77 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
78 echo " and ffmpeg will be unredistributable [default=no]"
4a24ab64 79 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
13ca50f3 80 echo " --enable-swscale software scaler support [default=no]"
f7679c54
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81 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
82 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
e5f94c2b 83 echo " --enable-beosthreads use BeOS threads [default=no]"
d22e8442 84 echo " --enable-os2threads use OS/2 threads [default=no]"
74c53c2d 85 echo " --enable-pthreads use pthreads [default=no]"
eb113804 86 echo " --enable-w32threads use Win32 threads [default=no]"
56a059ac 87 echo " --enable-x11grab enable X11 grabbing [default=no]"
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88 echo
89 echo "External library support:"
5ce265a1 90 echo " --enable-mlib use Sun medialib [default=no]"
8ac17293 91 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
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DB
92 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
93 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
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94 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
95 echo " and libraw1394 [default=no]"
690bfceb 96 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
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97 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
98 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
06f32b26 99 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
dc922953 100 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
e2745046 101 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
31235134
DB
102 echo " --enable-libnut enable NUT (de)muxing via libnut,"
103 echo " native demuxer exists [default=no]"
f7cd9eed 104 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
ae14f311 105 echo " --enable-libspeex enable Speex decoding via libspeex [default=no]"
71757822 106 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
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107 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
108 echo " native implementation exists [default=no]"
1cc60c47
DB
109 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
110 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
31235134 111 echo " native MPEG-4/Xvid encoder exists [default=no]"
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112 echo ""
113 echo "Advanced options (experts only):"
114 echo " --source-path=PATH path to source code [$source_path]"
115 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 116 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 117 echo " --target-os=OS compiler targets OS [$target_os]"
74c53c2d 118 echo " --cc=CC use C compiler CC [$cc]"
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119 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
120 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
121 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 122 echo " --extra-version=STRING version string suffix []"
74c53c2d 123 echo " --build-suffix=SUFFIX suffix for application specific build []"
cc6a90dd 124 echo " --arch=ARCH select architecture [$arch]"
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DB
125 echo " --cpu=CPU selects the minimum cpu required (affects"
126 echo " instruction selection, may crash on older CPUs)"
2b4c3615 127 echo " --enable-powerpc-perf enable performance report on PPC"
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128 echo " (requires enabling PMC)"
129 echo " --disable-mmx disable MMX usage"
064df5a9
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130 echo " --disable-mmx2 disable MMX2 usage"
131 echo " --disable-ssse3 disable SSSE3 usage"
1839e854 132 echo " --disable-armv5te disable armv5te usage"
edab3048 133 echo " --disable-armv6 disable armv6 usage"
f55b299a 134 echo " --disable-armvfp disable ARM VFP usage"
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135 echo " --disable-iwmmxt disable iwmmxt usage"
136 echo " --disable-altivec disable AltiVec usage"
74c53c2d 137 echo " --disable-network disable network support [default=no]"
0c7bb0e5 138 echo " --disable-ipv6 disable ipv6 support [default=no]"
74c53c2d 139 echo " --disable-zlib disable zlib [default=no]"
f402916e 140 echo " --disable-bzlib disable bzlib [default=no]"
74c53c2d 141 echo " --disable-vhook disable video hooking support"
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142 echo " --disable-mpegaudio-hp faster (but less accurate)"
143 echo " MPEG audio decoding [default=no]"
cde9e780 144 echo " --enable-gray enable full grayscale support (slower color)"
786b30af 145 echo " --disable-ffmpeg disable ffmpeg build"
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146 echo " --disable-ffserver disable ffserver build"
147 echo " --disable-ffplay disable ffplay build"
148 echo " --enable-small optimize for size instead of speed"
3abe5fbd 149 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
74c53c2d 150 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
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151 echo " --disable-encoder=NAME disables encoder NAME"
152 echo " --enable-encoder=NAME enables encoder NAME"
153 echo " --disable-decoder=NAME disables decoder NAME"
154 echo " --enable-decoder=NAME enables decoder NAME"
155 echo " --disable-encoders disables all encoders"
156 echo " --disable-decoders disables all decoders"
ff70e601
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157 echo " --disable-muxer=NAME disables muxer NAME"
158 echo " --enable-muxer=NAME enables muxer NAME"
74c53c2d 159 echo " --disable-muxers disables all muxers"
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160 echo " --disable-demuxer=NAME disables demuxer NAME"
161 echo " --enable-demuxer=NAME enables demuxer NAME"
74c53c2d 162 echo " --disable-demuxers disables all demuxers"
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163 echo " --enable-parser=NAME enables parser NAME"
164 echo " --disable-parser=NAME disables parser NAME"
165 echo " --disable-parsers disables all parsers"
cd61e407
JM
166 echo " --enable-bsf=NAME enables bitstream filter NAME"
167 echo " --disable-bsf=NAME disables bitstream filter NAME"
168 echo " --disable-bsfs disables all bitstream filters"
c08fb000
AB
169 echo " --enable-protocol=NAME enables protocol NAME"
170 echo " --disable-protocol=NAME disables protocol NAME"
171 echo " --disable-protocols disables all protocols"
10d46dd0 172 echo " --disable-devices disables all devices"
1865259f
SS
173 echo " --enable-filter=NAME enables filter NAME"
174 echo " --disable-filter=NAME disables filter NAME"
175 echo " --disable-filters disables all filters"
794f8e97
PI
176 echo " --list-decoders show all available decoders"
177 echo " --list-encoders show all available encoders"
178 echo " --list-muxers show all available muxers"
179 echo " --list-demuxers show all available demuxers"
180 echo " --list-parsers show all available parsers"
181 echo " --list-protocols show all available protocols"
182 echo " --list-bsfs show all available bitstream filters"
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DB
183 echo " --list-indevs show all available input devices"
184 echo " --list-outdevs show all available output devices"
1865259f 185 echo " --list-filters show all available filters"
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186 echo
187 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 188 echo " --disable-debug disable debugging symbols"
b7d49373 189 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 190 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 191 echo " --disable-optimizations disable compiler optimizations"
0a622b98 192 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 193 echo " --disable-stripping disable stripping of executables and shared libraries"
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MR
194 echo ""
195 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 196 exit 0
74c53c2d 197}
cf9d24ad 198
57bd82d4 199log(){
2270b4b2 200 echo "$@" >> $logfile
57bd82d4
MR
201}
202
720c69da 203log_file(){
c8e9f801 204 log BEGIN $1
2270b4b2 205 pr -n -t $1 >> $logfile
c8e9f801
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206 log END $1
207}
208
2ba042a7 209echolog(){
c8e9f801 210 log "$@"
57bd82d4 211 echo "$@"
2ba042a7
MR
212}
213
214die(){
215 echolog "$@"
216 cat <<EOF
217If you think configure made a mistake, make sure you are using the latest
218version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 219ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 220EOF
e155a21a 221 if disabled logging; then
2ba042a7 222 cat <<EOF
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DB
223Rerun configure with logging enabled (do not use --disable-logging), and
224include the log this produces with your report.
2ba042a7
MR
225EOF
226 else
227cat <<EOF
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DB
228Include the log file "$logfile" produced by configure as this will help
229solving the problem.
2ba042a7
MR
230EOF
231 fi
cea0ac52 232 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
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233 exit 1
234}
235
6c6007d6 236# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 237toupper(){
6c6007d6 238 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
239}
240
4a5444db 241tolower(){
6c6007d6 242 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
243}
244
a8d04fba
MR
245set_all(){
246 value=$1
247 shift
248 for var in $*; do
249 eval $var=$value
250 done
251}
252
72a43668
MR
253set_weak(){
254 value=$1
255 shift
256 for var; do
257 eval : \${$var:=$value}
258 done
259}
260
799c9e9b
MR
261pushvar(){
262 for var in $*; do
263 eval level=\${${var}_level:=0}
264 eval ${var}_${level}="\$$var"
265 eval ${var}_level=$(($level+1))
266 done
267}
268
269popvar(){
270 for var in $*; do
271 eval level=\${${var}_level:-0}
272 test $level = 0 && continue
273 eval level=$(($level-1))
274 eval $var="\${${var}_${level}}"
275 eval ${var}_level=$level
276 eval unset ${var}_${level}
277 done
278}
279
a8d04fba
MR
280enable(){
281 set_all yes $*
282}
283
284disable(){
285 set_all no $*
286}
287
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288enable_weak(){
289 set_weak yes $*
290}
291
292disable_weak(){
293 set_weak no $*
294}
295
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MR
296do_enable_deep(){
297 for var; do
298 enabled $var && continue
299 eval sel="\$${var}_select"
300 pushvar var
301 enable_deep $sel
302 popvar var
303 done
304}
305
306enable_deep(){
307 do_enable_deep $*
308 enable $*
309}
310
72a43668
MR
311enable_deep_weak(){
312 do_enable_deep $*
313 enable_weak $*
314}
315
57bd82d4 316enabled(){
3250003c
MR
317 test "${1#!}" = "$1" && op== || op=!=
318 eval test "x\$${1#!}" $op "xyes"
44161118
MR
319}
320
37970ebf 321disabled(){
3250003c
MR
322 test "${1#!}" = "$1" && op== || op=!=
323 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
324}
325
44161118
MR
326enabled_all(){
327 for opt; do
328 enabled $opt || return 1
329 done
330}
331
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DB
332disabled_all(){
333 for opt; do
334 disabled $opt || return 1
335 done
336}
337
44161118
MR
338enabled_any(){
339 for opt; do
340 enabled $opt && return 0
341 done
342}
343
85bca2c5
DB
344disabled_any(){
345 for opt; do
346 disabled $opt && return 0
347 done
f7b230a7 348 return 1
85bca2c5
DB
349}
350
c9d19248
MR
351set_default(){
352 for opt; do
353 eval test -z "\$$opt" && eval $opt=\$${opt}_default
354 done
355}
356
4a0d6686
AJ
357is_in(){
358 value=$1
359 shift
360 for var in $*; do
361 [ $var = $value ] && return 0
362 done
363 return 1
364}
365
30fd06be
MR
366check_deps(){
367 for cfg; do
3250003c 368 cfg="${cfg#!}"
799c9e9b
MR
369 enabled ${cfg}_checking && die "Circular dependency for $cfg."
370 disabled ${cfg}_checking && continue
371 enable ${cfg}_checking
372
30fd06be
MR
373 eval dep_all="\$${cfg}_deps"
374 eval dep_any="\$${cfg}_deps_any"
7ef3425f 375 eval dep_sel="\$${cfg}_select"
799c9e9b 376
7ef3425f
MR
377 pushvar cfg dep_all dep_any dep_sel
378 check_deps $dep_all $dep_any $dep_sel
379 popvar cfg dep_all dep_any dep_sel
799c9e9b 380
6a702d4c
MR
381 enabled_all $dep_all || disable $cfg
382 enabled_any $dep_any || disable $cfg
7ef3425f 383 disabled_any $dep_sel && disable $cfg
799c9e9b 384
4ec45764
RP
385 if enabled $cfg; then
386 eval dep_extralibs="\$${cfg}_extralibs"
387 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 388 enable_deep $dep_sel
4ec45764
RP
389 fi
390
799c9e9b 391 disable ${cfg}_checking
30fd06be
MR
392 done
393}
394
44161118
MR
395print_config(){
396 pfx=$1
397 header=$2
398 makefile=$3
399 shift 3
400 for cfg; do
3d907e22 401 ucname="`toupper $cfg`"
44161118 402 if enabled $cfg; then
3d907e22
MR
403 echo "#define ${pfx}${ucname} 1" >> $header
404 echo "#define ENABLE_${ucname} 1" >> $header
405 echo "${pfx}${ucname}=yes" >> $makefile
406 else
407 echo "#define ENABLE_${ucname} 0" >> $header
44161118
MR
408 fi
409 done
57bd82d4
MR
410}
411
412flags_saved(){
2270b4b2 413 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
414}
415
dcd479c0 416save_flags(){
57bd82d4 417 flags_saved && return
dcd479c0
MR
418 SAVE_CFLAGS="$CFLAGS"
419 SAVE_LDFLAGS="$LDFLAGS"
420 SAVE_extralibs="$extralibs"
421}
422
423restore_flags(){
f5d28d10 424 flags_saved || return
dcd479c0
MR
425 CFLAGS="$SAVE_CFLAGS"
426 LDFLAGS="$SAVE_LDFLAGS"
427 extralibs="$SAVE_extralibs"
428 unset SAVE_CFLAGS
429 unset SAVE_LDFLAGS
430 unset SAVE_extralibs
431}
432
433temp_cflags(){
434 save_flags
435 CFLAGS="$CFLAGS $*"
436}
437
438temp_ldflags(){
439 save_flags
440 LDFLAGS="$LDFLAGS $*"
441}
442
443temp_extralibs(){
444 save_flags
445 extralibs="$extralibs $*"
446}
447
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MR
448append(){
449 var=$1
450 shift
451 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
452 eval "$var=\"\$$var $*\""
453}
454
455add_cflags(){
456 append CFLAGS "$@"
457}
458
459add_ldflags(){
460 append LDFLAGS "$@"
461}
462
463add_extralibs(){
464 append extralibs "$@"
465}
466
b0cfb663 467check_cmd(){
b3cb5d51 468 log "$@"
2270b4b2 469 "$@" >> $logfile 2>&1
b0cfb663
MR
470}
471
dcd479c0 472check_cc(){
57bd82d4 473 log check_cc "$@"
2270b4b2 474 cat > $TMPC
720c69da 475 log_file $TMPC
b0cfb663 476 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
477}
478
479check_cpp(){
480 log check_cpp "$@"
2270b4b2 481 cat > $TMPC
720c69da 482 log_file $TMPC
b0cfb663 483 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
484}
485
940f335a
MR
486check_asm(){
487 log check_asm "$@"
488 name="$1"
489 asm="$2"
490 shift 2
491 check_cc "$@" <<EOF && enable $name || disable $name
be449fca 492int foo(void){ __asm__ volatile($asm); }
940f335a
MR
493EOF
494}
495
304d586d
LM
496check_yasm(){
497 log check_yasm "$@"
498 echo "$1" > $TMPS
499 log_file $TMPS
500 shift 1
501 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
502}
503
dcd479c0 504check_ld(){
57bd82d4 505 log check_ld "$@"
0607887f 506 check_cc || return
3155a644
MR
507 flags=''
508 libs=''
509 for f; do
510 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
511 done
512 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
513}
514
515check_cflags(){
57bd82d4
MR
516 log check_cflags "$@"
517 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
518int x;
519EOF
520}
521
522check_ldflags(){
57bd82d4
MR
523 log check_ldflags "$@"
524 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 525int main(void){ return 0; }
dcd479c0
MR
526EOF
527}
528
529check_header(){
57bd82d4 530 log check_header "$@"
dcd479c0
MR
531 header=$1
532 shift
d8bc5f06
MR
533 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
534 disable $var
535 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
536#include <$header>
537int x;
538EOF
539}
540
541check_func(){
57bd82d4 542 log check_func "$@"
dcd479c0
MR
543 func=$1
544 shift
d8bc5f06
MR
545 disable $func
546 check_ld "$@" <<EOF && enable $func
dcd479c0 547extern int $func();
c23a0ac8 548int main(void){ $func(); }
dcd479c0
MR
549EOF
550}
551
2446d3d6
DB
552check_func_headers(){
553 log check_func_headers "$@"
f8d7b072
MR
554 headers=$1
555 func=$2
556 shift 2
557 disable $func
558 incs=""
559 for hdr in $headers; do
560 incs="$incs
561#include <$hdr>"
562 done
563 check_ld "$@" <<EOF && enable $func
564$incs
d6773f56 565int main(int argc, char **argv){
f8d7b072
MR
566 (void) $func;
567 return 0;
568}
569EOF
570}
571
a5344cf7
SS
572check_cpp_condition(){
573 log check_cpp_condition "$@"
574 header=$1
575 condition=$2
576 check_cpp <<EOF
577#include <$header>
578#if !($condition)
579#error "unsatisfied condition: $condition"
580#endif
581EOF
582}
583
57bd82d4
MR
584check_lib(){
585 log check_lib "$@"
586 header="$1"
587 func="$2"
588 shift 2
fcfcde17
MR
589 temp_extralibs "$@"
590 check_header $header && check_func $func && add_extralibs "$@"
591 err=$?
592 restore_flags
593 return $err
57bd82d4
MR
594}
595
f8d7b072
MR
596check_lib2(){
597 log check_lib2 "$@"
598 headers="$1"
599 func="$2"
600 shift 2
601 temp_extralibs "$@"
2446d3d6 602 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
603 err=$?
604 restore_flags
605 return $err
606}
607
dcd479c0 608check_exec(){
2270b4b2 609 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
610}
611
7dfef245
MR
612check_exec_crash(){
613 code=`cat`
614
615 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
616 # are safe but may not be available everywhere. Thus we use
617 # raise(SIGTERM) instead. The check is run in a subshell so we
618 # can redirect the "Terminated" message from the shell. SIGBUS
619 # is not defined by standard C so it is used conditionally.
620
2270b4b2 621 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
622#include <signal.h>
623static void sighandler(int sig){
624 raise(SIGTERM);
625}
e5af4a11 626int main(void){
7dfef245
MR
627 signal(SIGILL, sighandler);
628 signal(SIGFPE, sighandler);
629 signal(SIGSEGV, sighandler);
630#ifdef SIGBUS
631 signal(SIGBUS, sighandler);
632#endif
633 { $code }
634}
635EOF
636}
637
72be9e73
DY
638check_type(){
639 log check_type "$@"
640 headers=$1
641 type=$2
642 shift 2
643 disable $type
644 incs=""
645 for hdr in $headers; do
646 incs="$incs
647#include <$hdr>"
648 done
649 check_cc "$@" <<EOF && enable $type
650$incs
651$type v;
652EOF
653}
654
57bd82d4
MR
655require(){
656 name="$1"
657 header="$2"
658 func="$3"
659 shift 3
660 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
661}
662
f8d7b072
MR
663require2(){
664 name="$1"
665 headers="$2"
666 func="$3"
667 shift 3
668 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
669}
670
eea50282
MR
671check_foo_config(){
672 cfg=$1
673 pkg=$2
674 header=$3
675 func=$4
676 shift 4
677 disable $cfg
678 check_cmd ${pkg}-config --version
679 err=$?
680 if test "$err" = 0; then
681 temp_cflags `${pkg}-config --cflags`
682 temp_extralibs `${pkg}-config --libs`
683 check_lib "$@" $header $func && enable $cfg
684 fi
685 return $err
686}
687
c505dd31
MR
688apply(){
689 file=$1
690 shift
691 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
692}
693
dcd61286
DB
694# CONFIG_LIST contains configurable options, while HAVE_LIST is for
695# system-dependent things.
696
4a0d6686
AJ
697COMPONENT_LIST="
698 bsfs
699 decoders
700 demuxers
701 encoders
3cde40aa 702 filters
c552605c 703 indevs
4a0d6686 704 muxers
c552605c 705 outdevs
4a0d6686
AJ
706 parsers
707 protocols
708"
709
710CONFIG_LIST="
711 $COMPONENT_LIST
f7679c54
VS
712 avfilter
713 avfilter_lavf
c88f5d72
MR
714 avisynth
715 beos_netserver
f402916e 716 bzlib
c88f5d72
MR
717 ffmpeg
718 ffplay
719 ffserver
1848f7d9 720 fft
c88f5d72 721 gpl
ecfc4f44 722 gprof
d8d0d0b2 723 gray
3abe5fbd 724 hardcoded_tables
c88f5d72 725 ipv6
f5a756ef
DB
726 libamr_nb
727 libamr_wb
f7b8bffe 728 libdc1394
690bfceb 729 libdirac
2eed5a46
DB
730 libfaac
731 libfaad
732 libfaadbin
c88f5d72 733 libgsm
6ebe07fb 734 libmp3lame
c88f5d72 735 libnut
f7cd9eed 736 libschroedinger
ae14f311 737 libspeex
150d2772 738 libtheora
c88f5d72 739 libvorbis
1cc60c47
DB
740 libx264
741 libxvid
c88f5d72 742 memalign_hack
a8150374 743 mlib
c88f5d72
MR
744 mpegaudio_hp
745 network
3fe142e2 746 nonfree
4a24ab64 747 postproc
2b4c3615 748 powerpc_perf
bd2216e4 749 small
13ca50f3 750 swscale
c88f5d72 751 vhook
56a059ac 752 x11grab
c88f5d72 753 zlib
4a0d6686 754"
c88f5d72 755
8eee7025
DB
756THREADS_LIST='
757 beosthreads
d22e8442 758 os2threads
8eee7025
DB
759 pthreads
760 w32threads
761'
762
3f5b56e5
MR
763ARCH_LIST='
764 alpha
765 armv4l
766 bfin
767 ia64
768 m68k
769 mips
770 parisc
771 powerpc
772 s390
773 sh4
774 sparc
775 sparc64
776 x86
777 x86_32
778 x86_64
779'
780
781ARCH_EXT_LIST='
1ac9331a 782 altivec
1ac9331a 783 armv5te
edab3048 784 armv6
f55b299a 785 armvfp
3f5b56e5
MR
786 iwmmxt
787 mmi
788 mmx
d7f0920b 789 mmx2
6b18d278 790 neon
9eeed841 791 ssse3
bd9d34a0 792 vis
3f5b56e5
MR
793'
794
795HAVE_LIST="
796 $ARCH_EXT_LIST
797 $THREADS_LIST
798 altivec_h
c9fdab0d 799 arpa_inet_h
6bd859d6 800 bswap
ecf97f22 801 closesocket
1ac9331a 802 cmov
e16e49ac 803 conio_h
c88f5d72 804 dcbzl
f8aa696f
DB
805 dev_bktr_ioctl_bt848_h
806 dev_bktr_ioctl_meteor_h
807 dev_ic_bt8xx_h
808 dev_video_meteor_ioctl_meteor_h
809 dev_video_bktr_ioctl_bt848_h
18b67ae5 810 dlfcn_h
c88f5d72 811 dlopen
bc574408 812 dos_paths
245626d0
DB
813 ebp_available
814 ebx_available
c2a29455 815 fast_64bit
7073e9fc 816 fast_cmov
7b829d2a 817 fast_unaligned
9d99cc5a 818 fork
c88f5d72 819 freetype2
da9e86f8 820 gethrtime
4e68cb8a 821 GetProcessTimes
66be5b45 822 getrusage
c88f5d72 823 imlib2
2e1913b1 824 inet_aton
61d251db 825 inline_asm
0b4a1821
AS
826 libdc1394_1
827 libdc1394_2
a33cab3a
MK
828 llrint
829 lrint
c88f5d72 830 lrintf
f8aa696f
DB
831 machine_ioctl_bt848_h
832 machine_ioctl_meteor_h
c88f5d72
MR
833 malloc_h
834 memalign
6ffa87d3 835 mkstemp
b4e806b2 836 pld
9cafbd6c 837 ppc64
a33cab3a
MK
838 round
839 roundf
c88f5d72
MR
840 sdl
841 sdl_video_size
72be9e73 842 socklen_t
deb29777 843 soundcard_h
f8cda19e 844 poll_h
b58412f1 845 sys_mman_h
b091aa44 846 sys_resource_h
81644c2e 847 sys_select_h
deb29777 848 sys_soundcard_h
1b6e8b73 849 sys_videoio_h
e16e49ac 850 termios_h
b265431e 851 threads
6ff3f3e7 852 winsock2_h
304d586d 853 yasm
0cb78cef 854"
44161118 855
520cc7f1 856CMDLINE_SELECT="
3f5b56e5 857 $ARCH_EXT_LIST
520cc7f1 858 $CONFIG_LIST
8eee7025 859 $THREADS_LIST
db6107b6 860 cross_compile
520cc7f1
MR
861 debug
862 extra_warnings
8c6afa4d 863 logging
d2bbb2f7 864 optimizations
520cc7f1
MR
865 shared
866 static
87a0fb62 867 stripping
520cc7f1 868"
426be5dc
DB
869
870PATHS_LIST='
d156bede 871 bindir
26759c44
MR
872 incdir
873 libdir
26759c44
MR
874 mandir
875 prefix
876 shlibdir
426be5dc
DB
877'
878
879CMDLINE_SET="
880 $PATHS_LIST
881 arch
882 build_suffix
883 cc
884 cpu
885 cross_prefix
ac63af34 886 extra_version
426be5dc 887 logfile
26759c44
MR
888 source_path
889 target_os
426be5dc 890"
520cc7f1 891
912f3148
DB
892# code dependency declarations
893
9eeed841
MR
894# architecture extensions
895altivec_deps="powerpc"
896armv5te_deps="armv4l"
897armv6_deps="armv4l"
f55b299a 898armvfp_deps="armv4l"
9eeed841 899iwmmxt_deps="armv4l"
e241ba14 900mmi_deps="mips"
9eeed841 901mmx_deps="x86"
fbef871d 902mmx2_deps="x86 mmx"
6b18d278 903neon_deps="armv4l"
9eeed841 904ssse3_deps="x86"
bd9d34a0 905vis_deps="sparc"
9eeed841 906
912f3148 907# decoders / encoders
1848f7d9 908aac_decoder_select="fft"
d8d12c15 909ac3_decoder_deps="gpl"
1848f7d9
MR
910ac3_decoder_select="fft"
911ac3_encoder_select="fft"
912atrac3_decoder_select="fft"
913cook_decoder_select="fft"
33a0dd37 914dxa_decoder_deps="zlib"
406ab5cc 915eac3_decoder_deps="gpl"
1848f7d9 916eac3_decoder_select="fft"
30fd06be 917flashsv_decoder_deps="zlib"
773be23a 918flashsv_encoder_deps="zlib"
1848f7d9 919imc_decoder_select="fft"
b517af05 920mlp_decoder_deps="mlp_parser"
30fd06be 921mpeg_xvmc_decoder_deps="xvmc"
1848f7d9
MR
922nellymoser_decoder_select="fft"
923nellymoser_encoder_select="fft"
30fd06be
MR
924png_decoder_deps="zlib"
925png_encoder_deps="zlib"
1848f7d9
MR
926qdm2_decoder_select="fft"
927vorbis_decoder_select="fft"
928vorbis_encoder_select="fft"
929wmav1_decoder_select="fft"
930wmav1_encoder_select="fft"
931wmav2_decoder_select="fft"
932wmav2_encoder_select="fft"
30fd06be
MR
933zmbv_decoder_deps="zlib"
934zmbv_encoder_deps="zlib"
935
912f3148 936# external libraries
f5a756ef
DB
937libamr_nb_decoder_deps="libamr_nb"
938libamr_nb_encoder_deps="libamr_nb"
939libamr_wb_decoder_deps="libamr_wb"
940libamr_wb_encoder_deps="libamr_wb"
1b71f045 941libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 942libdirac_encoder_deps="libdirac"
c9171a83 943libfaac_encoder_deps="libfaac"
69ddbd1d 944libfaad_decoder_deps="libfaad"
4ec45764 945libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
946libgsm_decoder_deps="libgsm"
947libgsm_encoder_deps="libgsm"
8ffed8d8
MR
948libgsm_ms_decoder_deps="libgsm"
949libgsm_ms_encoder_deps="libgsm"
1cc60c47 950libmp3lame_encoder_deps="libmp3lame"
f7cd9eed
AS
951libschroedinger_decoder_deps="libschroedinger"
952libschroedinger_encoder_deps="libschroedinger"
ae14f311 953libspeex_decoder_deps="libspeex"
150d2772 954libtheora_encoder_deps="libtheora"
b0caf888 955libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
956libx264_encoder_deps="libx264"
957libxvid_encoder_deps="libxvid"
13566c31 958mpeg4aac_decoder_deps="libfaad"
30fd06be 959
912f3148 960# demuxers / muxers
03a76ba9 961ac3_demuxer_deps="ac3_parser"
50383e88 962audio_beos_demuxer_deps="audio_beos"
4ec45764 963audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 964audio_beos_muxer_deps="audio_beos"
4ec45764 965audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 966avisynth_demuxer_deps="avisynth"
73483024 967bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 968dirac_demuxer_deps="dirac_parser"
fe9bb347 969dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 970libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
971libnut_demuxer_deps="libnut"
972libnut_muxer_deps="libnut"
4bd8e17c 973mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
974oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
975oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 976redir_demuxer_deps="network"
8eb793c4 977rtp_muxer_deps="network rtp_protocol"
95c21842
LA
978rtsp_demuxer_deps="sdp_demuxer"
979sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 980v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 981v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
982vfwcap_demuxer_deps="capCreateCaptureWindow"
983vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 984x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 985x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 986
912f3148 987# protocols
c08fb000
AB
988http_protocol_deps="network"
989rtp_protocol_deps="udp_protocol"
990tcp_protocol_deps="network"
991udp_protocol_deps="network"
992
f7679c54 993# filters
81124ba0 994movie_filter_deps="avfilter_lavf"
f7679c54 995
912f3148 996# programs
fa859b4d 997ffplay_deps="sdl"
6ad42348 998ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
999ffserver_extralibs='$ldl'
1000vhook_extralibs='$ldl'
a2830dca 1001
912f3148 1002
de6d9b64 1003# default parameters
8a608357 1004
2ba042a7 1005logfile="config.err"
8a608357
MR
1006
1007# installation paths
c9d19248
MR
1008prefix_default="/usr/local"
1009bindir_default='${prefix}/bin'
1010incdir_default='${prefix}/include'
1011libdir_default='${prefix}/lib'
1012mandir_default='${prefix}/share/man'
1013shlibdir_default="$libdir_default"
8a608357
MR
1014
1015# toolchain
13c7df3d 1016cc_default="gcc"
304d586d 1017yasmexe="yasm"
de6d9b64 1018ar="ar"
503d5b58 1019nm="nm"
be7109c1 1020ranlib="ranlib"
0f3cb305 1021strip="strip"
8a608357 1022asmalign_pot="unknown"
20369773 1023ln_s="ln -sf"
304d586d 1024objformat="elf"
8a608357
MR
1025
1026# machine
cc6a90dd 1027arch=`uname -m`
38d0a8aa 1028cpu="generic"
8a608357 1029
8a608357 1030# OS
4f854758 1031target_os=$(tolower $(uname -s))
8a608357 1032
8a608357 1033# libraries
f402916e 1034enable bzlib
497237c7 1035enable zlib
8a608357
MR
1036
1037# configurable options
497237c7 1038enable debug
497237c7
RP
1039enable ffmpeg
1040enable ffplay
1041enable ffserver
1042enable ipv6
497237c7
RP
1043enable mpegaudio_hp
1044enable network
8400d6b8 1045enable optimizations
497237c7 1046enable protocols
530dc538 1047enable static
87a0fb62 1048enable stripping
8a608357
MR
1049vhook="default"
1050
8a608357 1051# build settings
11a9d3e8 1052add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1053SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 1054VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 1055FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1056LIBPREF="lib"
1057LIBSUF=".a"
c5f14466
RP
1058FULLNAME='$(NAME)$(BUILDSUF)'
1059LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1060SLIBPREF="lib"
1061SLIBSUF=".so"
c5f14466 1062SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1063SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1064SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1065LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1066
0d7dca36
DB
1067# gcc stupidly only outputs the basename of targets with -MM, but we need the
1068# full relative path for objects in subdirectories for non-recursive Make.
ec0bd3b9 1069DEPEND_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 1070
c597172e
MR
1071# find source path
1072source_path="`dirname \"$0\"`"
497237c7 1073enable source_path_used
c597172e
MR
1074if test -z "$source_path" -o "$source_path" = "." ; then
1075 source_path="`pwd`"
497237c7 1076 disable source_path_used
c597172e
MR
1077else
1078 source_path="`cd \"$source_path\"; pwd`"
1079 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1080 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1081fi
1082
c597172e
MR
1083FFMPEG_CONFIGURATION="$@"
1084
73ef8980
MR
1085find_things(){
1086 thing=$1
1087 pattern=$2
1088 file=$source_path/$3
932ccf39 1089 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1090}
1091
1092ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1093DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1094PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1095BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1096MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1097DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1098OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1099INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1100PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1101FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1102
7483e694
DB
1103enable $ARCH_EXT_LIST \
1104 $DECODER_LIST \
1105 $ENCODER_LIST \
1106 $PARSER_LIST \
1107 $BSF_LIST \
1108 $DEMUXER_LIST \
1109 $MUXER_LIST \
f7679c54 1110 $FILTER_LIST \
7483e694
DB
1111 $PROTOCOL_LIST \
1112 $INDEV_LIST \
1113 $OUTDEV_LIST \
c597172e
MR
1114
1115die_unknown(){
1116 echo "Unknown option \"$1\"."
1117 echo "See $0 --help for available options."
1118 exit 1
1119}
1120
794f8e97 1121show_list() {
bf0c4afa
RP
1122 suffix=_$1
1123 shift
1124 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1125 exit 0
1126}
1127
c597172e 1128for opt do
7483e694
DB
1129 optval="${opt#*=}"
1130 case "$opt" in
7483e694
DB
1131 --extra-cflags=*) add_cflags "$optval"
1132 ;;
1133 --extra-ldflags=*) add_ldflags "$optval"
1134 ;;
1135 --extra-libs=*) add_extralibs "$optval"
1136 ;;
8fb1cb58 1137 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1138 ;;
40bcf4c7
BL
1139 --enable-debug=*) debuglevel="$optval"
1140 ;;
7483e694
DB
1141 --enable-*=*|--disable-*=*)
1142 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1143 case "$thing" in
81124ba0 1144 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1145 *) die_unknown "$opt" ;;
1146 esac
1147 ;;
1148 --enable-?*|--disable-?*)
1149 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1150 if is_in $option $COMPONENT_LIST; then
1151 eval $action \$$(toupper ${option%s})_LIST
1152 elif is_in $option $CMDLINE_SELECT; then
1153 $action $option
1154 else
1155 die_unknown $opt
1156 fi
7483e694
DB
1157 ;;
1158 --list-*)
1159 NAME="${opt#--list-}"
1160 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1161 NAME=${NAME%s}
1162 eval show_list $NAME \$$(toupper $NAME)_LIST
1163 ;;
1164 --help|-h) show_help
1165 ;;
1166 *)
884a36a7 1167 optname="${opt%%=*}"
26759c44
MR
1168 optname="${optname#--}"
1169 optname=$(echo "$optname" | sed 's/-/_/g')
1170 is_in $optname $CMDLINE_SET || die_unknown $opt
1171 eval $optname='$optval'
7483e694
DB
1172 ;;
1173 esac
c597172e
MR
1174done
1175
bcea99bb
MR
1176disabled logging && logfile=/dev/null
1177
1178echo "# $0 $@" > $logfile
1179set >> $logfile
1180
13c7df3d 1181cc_default="${cross_prefix}${cc_default}"
304d586d 1182yasmexe="${cross_prefix}${yasmexe}"
adb2b908
RP
1183ar="${cross_prefix}${ar}"
1184nm="${cross_prefix}${nm}"
1185ranlib="${cross_prefix}${ranlib}"
1186strip="${cross_prefix}${strip}"
1187
13c7df3d
MR
1188set_default cc
1189
e4e69e0b
MR
1190# set temporary file name
1191if test ! -z "$TMPDIR" ; then
1192 TMPDIR1="${TMPDIR}"
1193elif test ! -z "$TEMPDIR" ; then
1194 TMPDIR1="${TEMPDIR}"
1195else
1196 TMPDIR1="/tmp"
1197fi
1198
1199TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1200TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1201TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1202TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1203TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1204TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1205
e9b9a2f8
MN
1206check_cflags -std=c99
1207
b24dbcbd
RP
1208case "$arch" in
1209 i386|i486|i586|i686|i86pc|BePC)
1210 arch="x86_32"
1211 enable fast_unaligned
1212 ;;
1213 x86_64|amd64)
1214 arch="x86_32"
1215 enable fast_unaligned
1216 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1217 int test[sizeof(char*) - 7];
1218EOF
1219 ;;
1220 # armv4l is a subset of armv[567]*l
1221 arm|armv[4567]*l)
1222 arch="armv4l"
1223 ;;
1224 alpha)
1225 arch="alpha"
1226 enable fast_64bit
1227 ;;
1228 "Power Macintosh"|ppc|powerpc)
1229 arch="powerpc"
aa8bc0f1 1230 enable fast_unaligned
b24dbcbd
RP
1231 ;;
1232 ppc64)
1233 arch="powerpc"
1234 enable fast_64bit
aa8bc0f1 1235 enable fast_unaligned
b24dbcbd
RP
1236 ;;
1237 mips|mipsel|IP*)
1238 arch="mips"
1239 ;;
1240 sun4u|sparc64)
1241 arch="sparc64"
1242 enable fast_64bit
1243 ;;
1244 sparc)
1245 arch="sparc"
1246 ;;
1247 sh4)
1248 arch="sh4"
1249 ;;
1250 parisc)
1251 arch="parisc"
1252 ;;
1253 parisc64)
1254 arch="parisc"
1255 enable fast_64bit
1256 ;;
1257 s390|s390x)
1258 arch="s390"
1259 ;;
1260 m68k)
1261 arch="m68k"
1262 ;;
1263 ia64)
1264 arch="ia64"
1265 enable fast_64bit
1266 ;;
1267 bfin)
1268 arch="bfin"
1269 ;;
1270 *)
1271 arch="unknown"
1272 ;;
1273esac
1274
1275enable $arch
1276enabled_any x86_32 x86_64 && enable x86
1277enabled sparc64 && enable sparc
1278
7483e694 1279# OS specific
4f854758 1280case $target_os in
7483e694 1281 beos|haiku|zeta)
c9d19248 1282 prefix_default="$HOME/config"
7483e694
DB
1283 # helps building libavcodec
1284 add_cflags "-DPIC -fomit-frame-pointer"
1285 # 3 gcc releases known for BeOS, each with ugly bugs
1286 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1287 case "$gcc_version" in
1288 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1289 disable mmx
1290 ;;
1291 *20010315*) echo "BeBits gcc"
1292 add_cflags "-fno-expensive-optimizations"
1293 ;;
1294 esac
7483e694
DB
1295 SHFLAGS=-nostart
1296 # enable BeOS things
1297 enable audio_beos
1298 # no need for libm, but the inet stuff
1299 # Check for BONE
1300 # XXX: actually should check for NOT net_server
78fe7631 1301 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1302 network_extralibs="-lbind -lsocket"
1303 else
1304 enable beos_netserver
1305 network_extralibs="-lnet"
1306 fi ;;
1307 sunos)
1308 FFSERVERLDFLAGS=""
9987769a 1309 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694
DB
1310 network_extralibs="-lsocket -lnsl"
1311 ;;
1312 netbsd)
1313 oss_demuxer_extralibs="-lossaudio"
1314 oss_muxer_extralibs="-lossaudio"
1315 ;;
1316 openbsd)
1317 disable need_memalign
1318 LIBOBJFLAGS='$(PIC)'
7483e694
DB
1319 SHFLAGS='-shared'
1320 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1321 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1322 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1323 oss_demuxer_extralibs="-lossaudio"
1324 oss_muxer_extralibs="-lossaudio"
1325 ;;
1326 freebsd)
1327 disable need_memalign
1328 ;;
1329 bsd/os)
1330 osextralibs="-lpoll -lgnugetopt"
1331 strip="strip -d"
1332 ;;
1333 darwin)
1334 disable need_memalign
0138c54e 1335 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1336 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1337 strip="strip -x"
1338 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1339 SLIBSUF=".dylib"
1340 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1341 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1342 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1343 objformat="macho"
1b0f6fb8 1344 enabled x86_64 && objformat="macho64"
7483e694
DB
1345 ;;
1346 mingw32*)
4f854758 1347 target_os=mingw32
dcc01c06
RP
1348 LIBTARGET=i386
1349 if test $arch = x86_64; then
1350 disable need_memalign
1351 LIBTARGET=x64
1352 fi
fbd971a4 1353 shlibdir_default="$bindir_default"
7483e694
DB
1354 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1355 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1356 if enabled swscale; then
7483e694
DB
1357 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1358 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1359 fi
1360 disable ffserver
1361 SLIBPREF=""
1362 SLIBSUF=".dll"
1363 EXESUF=".exe"
1364 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1365 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1366 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1367 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1368 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1369 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1370 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1371 objformat="win32"
bc574408 1372 enable dos_paths
7483e694
DB
1373 ;;
1374 cygwin*)
4f854758 1375 target_os=cygwin
fbd971a4 1376 shlibdir_default="$bindir_default"
7483e694
DB
1377 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1378 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1379 if enabled swscale; then
7483e694
DB
1380 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1381 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1382 fi
1383 EXESUF=".exe"
1384 SLIBPREF="cyg"
1385 SLIBSUF=".dll"
1386 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1387 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1388 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1389 objformat="win32"
bc574408 1390 enable dos_paths
7483e694 1391 ;;
4f365f37 1392 *-dos|freedos|opendos)
4f365f37
MK
1393 disable ffplay ffserver vhook
1394 disable $INDEV_LIST $OUTDEV_LIST
1395 network_extralibs="-lsocket"
1396 EXESUF=".exe"
304d586d 1397 objformat="win32"
bc574408 1398 enable dos_paths
4f365f37 1399 ;;
7483e694 1400 linux)
7483e694
DB
1401 enable dv1394
1402 ;;
1403 irix*)
4f854758 1404 target_os=irix
7483e694
DB
1405 ranlib="echo ignoring ranlib"
1406 ;;
d22e8442 1407 os/2*)
d22e8442
DY
1408 strip="lxlite"
1409 ln_s="cp -f"
d22e8442
DY
1410 EXESUF=".exe"
1411 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1412 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1413 FFSERVERLDFLAGS=""
287d3b13 1414 LIBSUF="_s.a"
d22e8442
DY
1415 SLIBPREF=""
1416 SLIBSUF=".dll"
1417 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1418 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1419 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1420 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1421 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1422 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1423 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1424 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1425 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1426 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1427 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1428 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1429 disable vhook
bc574408 1430 enable dos_paths
d22e8442 1431 ;;
269820f1
PR
1432 interix)
1433 disable vhook
1434 ;;
d22e8442 1435
7483e694 1436 *)
4f854758 1437 target_os="${target_os}-UNKNOWN"
7483e694
DB
1438 ;;
1439esac
1440
c9d19248
MR
1441set_default $PATHS_LIST
1442
c597172e 1443add_extralibs $osextralibs
de6d9b64 1444
28d8e661
DB
1445# Combine FFLDFLAGS and the LDFLAGS environment variable.
1446LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1447
497237c7 1448test -n "$cross_prefix" && enable cross_compile
1ea46bed 1449
320d060a 1450# we need to build at least one lib type
93b3c083 1451if ! enabled_any static shared; then
320d060a
DB
1452 cat <<EOF
1453At least one library type must be built.
1454Specify --enable-static to build the static libraries or --enable-shared to
1455build the shared libraries as well. To only build the shared libraries specify
1456--disable-static in addition to --enable-shared.
1457EOF
1458 exit 1;
1459fi
1460
abc4e572 1461disabled static && LIBNAME=""
2a320695 1462
a2234ceb
RP
1463if enabled_any libfaad libfaadbin ; then
1464 if check_header faad.h; then
295b8c70 1465 check_cc <<EOF
a2234ceb
RP
1466#include <faad.h>
1467#ifndef FAAD2_VERSION
1468ok faad1
1469#endif
db817cf3 1470int main(void) { return 0; }
a2234ceb
RP
1471EOF
1472 test $? = 0 && enable libfaad2
1473 else
ff3dac65 1474 die "FAAD test failed."
a2234ceb
RP
1475 fi
1476fi
1477
1478
93b3c083 1479if ! enabled gpl; then
54118497
RP
1480 die_gpl_disabled(){
1481 name=$1
1482 shift
1483 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1484 }
4a24ab64 1485 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1486 die_gpl_disabled "libx264" libx264
1487 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1488 die_gpl_disabled "FAAD2" libfaad2
1489 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1490 die_gpl_disabled "The software scaler" swscale
ebb810d9 1491fi
b2e3c528 1492
3fe142e2
DB
1493if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1494 die "libamr is nonfree and --enable-nonfree is not specified."
1495fi
1496
9eeed841 1497check_deps $ARCH_EXT_LIST
0f3cb305 1498
5d323602
MR
1499test -z "$need_memalign" && need_memalign="$mmx"
1500
cf9d24ad 1501#Darwin CC versions
4f854758 1502if test $target_os = darwin; then
3dddba4b 1503 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4 1504 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
cf9d24ad 1505 else
8541cc27 1506 add_cflags "-pipe"
26c1b3be
DB
1507 check_cflags "-force_cpusubtype_ALL"
1508 check_cflags "-Wno-sign-compare"
f946a9a4 1509 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1510 fi
2a1a6b64
MN
1511fi
1512
40617a6d 1513disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1514
a4adb608 1515# Add processor-specific flags
38d0a8aa 1516if test $cpu != "generic"; then
bc8ec47b
MR
1517 warn_altivec(){
1518 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1519 }
38d0a8aa 1520 case $cpu in
bb270c08 1521 601|ppc601|PowerPC601)
1c5d830c 1522 add_cflags "-mcpu=601"
bc8ec47b 1523 warn_altivec enabled PPC601
bb270c08
DB
1524 ;;
1525 603*|ppc603*|PowerPC603*)
1c5d830c 1526 add_cflags "-mcpu=603"
bc8ec47b 1527 warn_altivec enabled PPC603
bb270c08
DB
1528 ;;
1529 604*|ppc604*|PowerPC604*)
1c5d830c 1530 add_cflags "-mcpu=604"
bc8ec47b 1531 warn_altivec enabled PPC604
bb270c08
DB
1532 ;;
1533 G3|g3|75*|ppc75*|PowerPC75*)
1c5d830c 1534 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
bc8ec47b 1535 warn_altivec enabled PPC75x
bb270c08
DB
1536 ;;
1537 G4|g4|745*|ppc745*|PowerPC745*)
1c5d830c 1538 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
bc8ec47b 1539 warn_altivec disabled PPC745x
bb270c08
DB
1540 ;;
1541 74*|ppc74*|PowerPC74*)
1c5d830c 1542 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
bc8ec47b 1543 warn_altivec disabled PPC74xx
bb270c08
DB
1544 ;;
1545 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1c5d830c 1546 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
bc8ec47b 1547 warn_altivec disabled PPC970
9cafbd6c 1548 enable ppc64
bb270c08 1549 ;;
e07e357d
LB
1550 Cell|CELL|cell)
1551 add_cflags "-mcpu=cell"
1552 warn_altivec disabled Cell
9cafbd6c 1553 enable ppc64
e07e357d 1554 ;;
e7768fc5
GP
1555 # targets that do NOT support conditional mov (cmov)
1556 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
38d0a8aa 1557 add_cflags "-march=$cpu"
497237c7 1558 disable cmov
e7768fc5
GP
1559 ;;
1560 # targets that do support conditional mov (cmov)
416519dd 1561 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
e7768fc5 1562 add_cflags "-march=$cpu"
497237c7
RP
1563 enable cmov
1564 enable fast_cmov
94e4c3a3
GP
1565 ;;
1566 # targets that do support conditional mov but on which it's slow
800a5a19 1567 pentium4|pentium4m|prescott|nocona)
94e4c3a3 1568 add_cflags "-march=$cpu"
497237c7
RP
1569 enable cmov
1570 disable fast_cmov
bb270c08 1571 ;;
d7b34d08 1572 sparc64)
1c5d830c 1573 add_cflags "-mcpu=v9"
d7b34d08 1574 ;;
f2e49553
MR
1575 arm11*|cortex*)
1576 add_cflags "-mcpu=$cpu"
1577 enable fast_unaligned
1578 ;;
0223bd6f
MR
1579 armv*)
1580 add_cflags "-march=$cpu"
1581 ;;
f2e49553 1582 arm*)
6b19786b
MR
1583 add_cflags "-mcpu=$cpu"
1584 ;;
bb270c08 1585 *)
7483e694 1586 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1587 ;;
a4adb608
MN
1588 esac
1589fi
1590
be0d52ab 1591# make sure we can execute files in $TMPDIR
2270b4b2 1592cat > $TMPSH 2>> $logfile <<EOF
be0d52ab
MR
1593#! /bin/sh
1594EOF
2270b4b2
DB
1595chmod +x $TMPSH >> $logfile 2>&1
1596if ! $TMPSH >> $logfile 2>&1; then
be0d52ab
MR
1597 cat <<EOF
1598Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
68300911
DB
1599variable to another directory and make sure that $TMPDIR1 is not mounted
1600noexec.
be0d52ab
MR
1601EOF
1602 die "Sanity test failed."
1603fi
edd08265 1604rm $TMPSH
be0d52ab 1605
1a268acc
MR
1606# compiler sanity check
1607check_exec <<EOF
c23a0ac8 1608int main(void){ return 0; }
1a268acc
MR
1609EOF
1610if test "$?" != 0; then
1611 echo "$cc is unable to create an executable file."
93b3c083 1612 if test -z "$cross_prefix" && ! enabled cross_compile ; then
db6107b6 1613 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
c7ae6345 1614 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1615 fi
1616 die "C compiler test failed."
1617fi
1618
b4d96ba2
MR
1619check_cc <<EOF || die "Symbol mangling check failed."
1620int ff_extern;
1621EOF
2f05d9c1 1622sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1623extern_prefix=${sym%%ff_extern*}
1624
61d251db
MR
1625check_asm inline_asm '""'
1626
9eeed841 1627if enabled x86; then
44965991
PI
1628 # check whether EBP is available on x86
1629 # As 'i' is stored on the stack, this program will crash
1630 # if the base pointer is used to access it because the
1631 # base pointer is cleared in the inline assembly code.
7dfef245 1632 check_exec_crash <<EOF && enable ebp_available
44965991 1633 volatile int i=0;
be449fca 1634 __asm__ volatile (
44965991
PI
1635 "xorl %%ebp, %%ebp"
1636 ::: "%ebp");
1637 return i;
44965991
PI
1638EOF
1639
1640 # check wether EBX is available on x86
940f335a 1641 check_asm ebx_available '"":::"%ebx"'
8e380710 1642
d7f0920b 1643 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1644 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1645 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1646
1647 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d
LM
1648
1649 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1650 enabled x86_64 && append YASMFLAGS "-m amd64"
1651 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1652 case "$objformat" in
1653 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1654 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1655 *) append YASMFLAGS "-DPREFIX" ;;
1656 esac
1657 check_yasm "pabsw xmm0, xmm0" && enable yasm
44965991
PI
1658fi
1659
87ea51e0
LB
1660# check for assembler specific support
1661
cc6a90dd 1662if test $arch = "powerpc"; then
5eb39de9 1663 check_asm dcbzl '"dcbzl 0, 1"'
87ea51e0
LB
1664fi
1665
57bd82d4
MR
1666# check for SIMD availability
1667
115329f1 1668# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1669if enabled altivec; then
3ed1a2ee
DB
1670 check_cflags -maltivec -mabi=altivec &&
1671 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1672 check_cflags -faltivec
b6e52719 1673
0182fee8 1674 # check if our compiler supports Motorola AltiVec C API
497237c7 1675 check_cc <<EOF || disable altivec
dcd479c0 1676$inc_altivec_h
a9a07762
MN
1677int main(void) {
1678 vector signed int v1, v2, v3;
1679 v1 = vec_add(v2,v3);
1680 return 0;
1681}
1682EOF
b006b26c
DB
1683
1684 # check if our compiler supports braces for vector declarations
80a61f08 1685 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1686$inc_altivec_h
80a61f08 1687int main (void) { (vector int) {1}; return 0; }
b006b26c 1688EOF
a9a07762 1689fi
ab6c65f6 1690
b4e806b2
MC
1691# We have to check if pld is a nop and disable it.
1692enabled armv4l && check_asm pld '"pld [r0]"'
940f335a
MR
1693enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1694enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
f55b299a 1695enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1696enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1697enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1698enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1699enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1700
8b03def6
DB
1701enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1702
57bd82d4
MR
1703# ---
1704# big/little-endian test
9eebe687
MR
1705check_cc <<EOF || die "endian test failed"
1706unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1707EOF
d04d9e16 1708od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1709
a3999908 1710# ---
3d204385
NK
1711# check availability of some header files
1712
a98bb16d
RP
1713if check_func dlopen; then
1714 ldl=
1715elif check_func dlopen -ldl; then
1716 ldl=-ldl
8bf5d58f
MN
1717fi
1718
7483e694
DB
1719check_func fork
1720check_func gethrtime
1721check_func getrusage
094c09bb 1722check_func inet_aton $network_extralibs
7483e694
DB
1723check_func memalign
1724check_func mkstemp
2446d3d6 1725check_func_headers windows.h GetProcessTimes
6ffa87d3 1726
e16e49ac 1727check_header conio.h
a98bb16d
RP
1728check_header dlfcn.h
1729check_header malloc.h
bf6ce82d 1730check_header poll.h
b58412f1 1731check_header sys/mman.h
b091aa44 1732check_header sys/resource.h
bf6ce82d 1733check_header sys/select.h
a98bb16d
RP
1734check_header termios.h
1735
1736if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1737 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1738fi
e16e49ac 1739
e8214e0e 1740enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
f402916e 1741enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1742
1743# check for some common methods of building with pthread support
1744# do this before the optional library checks as some of them require pthreads
1745if enabled pthreads; then
9e7fd101
MR
1746 if check_func pthread_create; then
1747 :
1748 elif check_func pthread_create -pthread; then
1749 add_cflags -pthread
afc9aee2 1750 add_extralibs -pthread
9e7fd101
MR
1751 elif check_func pthread_create -pthreads; then
1752 add_cflags -pthreads
afc9aee2 1753 add_extralibs -pthreads
8d94f606
GT
1754 elif check_func pthread_create -lpthreadGC2; then
1755 add_extralibs -lpthreadGC2
9e7fd101
MR
1756 elif ! check_lib pthread.h pthread_create -lpthread; then
1757 die "ERROR: can't find pthreads library"
1758 fi
57bd82d4
MR
1759fi
1760
8eee7025 1761for thread in $THREADS_LIST; do
e5f94c2b 1762 if enabled $thread; then
3ae3b721
RP
1763 test -n "$thread_type" &&
1764 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1765 thread_type="$thread"
e5f94c2b
RP
1766 fi
1767done
1768
fdf88598
MR
1769check_lib math.h sin -lm
1770
a33cab3a
MK
1771# test for C99 functions in math.h
1772for func in llrint lrint lrintf round roundf; do
1773 check_exec <<EOF && enable $func || disable $func
f32adb22 1774#include <math.h>
a33cab3a 1775int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1776EOF
a33cab3a 1777done
f32adb22 1778
57bd82d4 1779# these are off by default, so fail if requested and not available
79fda097 1780enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1781enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1782enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 1783enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
1784 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1785 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1786enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1787enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694
DB
1788enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1789enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1790enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
36718e51
DB
1791enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1792 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 1793enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
1794enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1795enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
36718e51 1796enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
1797 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1798 die "ERROR: libx264 version must be >= 0.65."; }
7483e694
DB
1799enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1800enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1801
0b4a1821
AS
1802# libdc1394 check
1803if enabled libdc1394; then
1804 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1805 enable libdc1394_2; } ||
1806 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1807 enable libdc1394_1; } ||
1808 die "ERROR: No version of libdc1394 found "
1809fi
1810
1811
c13e1abd
FH
1812_restrict=
1813for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1814 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1815void foo(char * $restrict_keyword p);
1816EOF
c13e1abd
FH
1817done
1818
703afd07 1819test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1820
4f854758 1821if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1822 disable vhook
fbb9d104 1823 echo
b0268cc0 1824 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1825 echo "Patches welcome."
1826 echo
1827fi
1828
8d923001
MR
1829if enabled vhook; then
1830 check_ldflags -rdynamic
1831 check_ldflags -export-dynamic
1832fi
bfd2edeb 1833
eea50282
MR
1834check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1835check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1836
a86b921c 1837##########################################
29799f8b 1838# SDL check
a86b921c 1839
497237c7
RP
1840disable sdl_too_old
1841disable sdl
6a1a892f 1842SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1843if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
1844 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1845 temp_cflags $sdl_cflags
dcd479c0 1846 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 1847 if check_lib2 SDL.h SDL_Init; then
dcd479c0 1848 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1849 if test "$_sdlversion" -lt 121 ; then
497237c7 1850 enable sdl_too_old
dcd479c0 1851 else
497237c7 1852 enable sdl
225e21ef 1853 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 1854#include <SDL.h>
d6773f56 1855int main(int argc, char **argv){
29f3b38a
MR
1856 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1857 int w = vi->current_w;
1858 return 0;
1859}
1860EOF
dcd479c0
MR
1861 fi
1862 fi
29f3b38a 1863 restore_flags
c3f6b472 1864fi
57bd82d4 1865
2270b4b2 1866texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 1867
7a91333f 1868##########################################
73b46a95
RP
1869# Network check
1870
1871if enabled network; then
668b65bd 1872 check_type sys/socket.h socklen_t
73b46a95
RP
1873 # Prefer arpa/inet.h over winsock2
1874 if check_header arpa/inet.h ; then
1875 check_func closesocket
1876 elif check_header winsock2.h ; then
ea10ddde 1877 network_extralibs="-lws2_32"
72be9e73 1878 check_type ws2tcpip.h socklen_t
2446d3d6 1879 check_func_headers winsock2.h closesocket
73b46a95
RP
1880 fi
1881fi
1882
1883##########################################
29799f8b 1884# IPv6 check
7a91333f 1885
497237c7 1886enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
1887#include <sys/types.h>
1888#include <sys/socket.h>
1889#include <netinet/in.h>
1890#include <netdb.h>
db817cf3 1891int main(void) {
7483e694
DB
1892 struct sockaddr_storage saddr;
1893 struct ipv6_mreq mreq6;
1894 getaddrinfo(0,0,0,0);
1895 getnameinfo(0,0,0,0,0,0,0);
1896 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
1897}
1898EOF
1899
06e31011
RP
1900check_header linux/videodev.h
1901check_header linux/videodev2.h
1b6e8b73 1902check_header sys/videoio.h
47f38850 1903
2446d3d6 1904check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 1905
f8aa696f 1906# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
1907{ check_header dev/bktr/ioctl_meteor.h &&
1908 check_header dev/bktr/ioctl_bt848.h; } ||
1909{ check_header machine/ioctl_meteor.h &&
1910 check_header machine/ioctl_bt848.h; } ||
1911{ check_header dev/video/meteor/ioctl_meteor.h &&
1912 check_header dev/video/bktr/ioctl_bt848.h; } ||
1913check_header dev/ic/bt8xx.h
f8aa696f 1914
c7682de0
RP
1915check_header sys/soundcard.h
1916check_header soundcard.h
deb29777 1917
7483e694 1918# deal with the X11 frame grabber
56a059ac 1919enabled x11grab &&
f58f4ce1
GP
1920check_header X11/Xlib.h &&
1921check_header X11/extensions/XShm.h &&
1922check_func XOpenDisplay -lX11 &&
06eab4ba 1923check_func XShmCreateImage -lX11 -lXext
f58f4ce1 1924
40bcf4c7 1925enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
1926
1927# add some useful compiler flags if supported
1928check_cflags -Wdeclaration-after-statement
dcd479c0
MR
1929check_cflags -Wall
1930check_cflags -Wno-switch
c07bd6a9
MN
1931check_cflags -Wdisabled-optimization
1932check_cflags -Wpointer-arith
1933check_cflags -Wredundant-decls
cc1fb623 1934check_cflags -Wno-pointer-sign
f4929996 1935check_cflags -Wcast-qual
9aceb3cf 1936check_cflags -Wwrite-strings
652a5bf6 1937check_cflags -Wtype-limits
5af4e0cc 1938enabled extra_warnings && check_cflags -Winline
cf9d24ad 1939
57bd82d4 1940# add some linker flags
5c0e9479 1941check_ldflags -Wl,--warn-common
8351d2ba
DB
1942check_ldflags -Wl,--as-needed
1943check_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 1944check_ldflags -Wl,-Bsymbolic
94a3401e 1945
bd2216e4
MR
1946if enabled small; then
1947 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
1948 optimizations="small"
1949elif enabled optimizations; then
3dddba4b 1950 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4
NP
1951 add_cflags "-O5"
1952 add_ldflags "-O5"
cf9d24ad 1953 else
30a3e5d4 1954 add_cflags "-O3"
cf9d24ad 1955 fi
cddf3f45 1956fi
11fdbc44 1957check_cflags -fno-math-errno
b2eb2ff0 1958check_cflags -fno-signed-zeros
cddf3f45 1959
504a64b9 1960# add some flags for Intel C Compiler
0c45cd07 1961if $cc --version 2> /dev/null | grep -q Intel; then
504a64b9
CEH
1962 # Just warnings, no remarks
1963 check_cflags -w1
1964 # -wd: Disable following warnings
1965 # 144, 167, 556: -Wno-pointer-sign
1966 # 10006: ignoring unknown option -fno-signed-zeros
1967 # 10156: ignoring option '-W'; no argument required
1968 check_cflags -wd144,167,556,10006,10156
1969 # 11030: Warning unknown option --as-needed
1970 # 10156: ignoring option '-export'; no argument required
1971 check_ldflags -wd10156,11030
907eb3b5
CEH
1972 # Allow to compile with optimizations
1973 check_ldflags -march=$cpu
504a64b9
CEH
1974fi
1975
80581e98 1976# PIC flags for shared library objects where they are needed
5af4e0cc 1977if enabled shared; then
569cb218
MR
1978 # LIBOBJFLAGS may have already been set in the OS configuration
1979 if test -z "$LIBOBJFLAGS" ; then
1980 case "$arch" in
b6bd7268 1981 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
1982 esac
1983 fi
80581e98
MN
1984fi
1985
90be59ef 1986if enabled gprof; then
30a3e5d4
NP
1987 add_cflags "-p"
1988 add_ldflags "-p"
1db54e20
DB
1989fi
1990
3b26ee47 1991VHOOKCFLAGS="-fPIC"
18451f7d 1992
7f3c02fc 1993# Find out if the .align argument is a power of two or not.
4454dc1b 1994if test $asmalign_pot = "unknown"; then
497237c7 1995 disable asmalign_pot
be449fca 1996 echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
4454dc1b
JD
1997fi
1998
7483e694
DB
1999enabled_any $DECODER_LIST && enable decoders
2000enabled_any $ENCODER_LIST && enable encoders
2001enabled_any $BSF_LIST && enable bsfs
2002enabled_any $DEMUXER_LIST && enable demuxers
2003enabled_any $MUXER_LIST && enable muxers
f7679c54 2004enabled_any $FILTER_LIST && enable filters
7483e694
DB
2005enabled_any $INDEV_LIST && enable demuxers
2006enabled_any $OUTDEV_LIST && enable muxers
2007enabled_any $PROTOCOL_LIST && enable protocols
2008
2009enabled_any $THREADS_LIST && enable threads
2010
2011check_deps $CONFIG_LIST \
2012 $HAVE_LIST \
2013 $DECODER_LIST \
2014 $ENCODER_LIST \
2015 $PARSER_LIST \
2016 $BSF_LIST \
2017 $DEMUXER_LIST \
2018 $MUXER_LIST \
f7679c54 2019 $FILTER_LIST \
7483e694
DB
2020 $INDEV_LIST \
2021 $OUTDEV_LIST \
2022 $PROTOCOL_LIST \
f70f03f6 2023
f7b8bffe 2024enabled libdc1394 && append pkg_requires "libraw1394"
690bfceb 2025enabled libdirac && append pkg_requires "dirac"
fb2ce7d9 2026enabled libtheora && append pkg_requires "theora"
f9def9cc 2027enabled libvorbis && append pkg_requires "vorbisenc"
fb2ce7d9 2028
3e89171a 2029echo "install prefix $prefix"
f36958f8
DB
2030echo "source path $source_path"
2031echo "C compiler $cc"
bfd5afd8 2032echo ".align is power-of-two $asmalign_pot"
f36958f8 2033echo "ARCH $arch ($cpu)"
ce8871c2
MR
2034if test "$build_suffix" != ""; then
2035 echo "build suffix $build_suffix"
eb94aca9 2036fi
ac63af34
DB
2037if test "$extra_version" != ""; then
2038 echo "version string suffix $extra_version"
2039fi
0db2ce77 2040echo "big-endian ${bigendian-no}"
419b8784 2041if test $arch = "x86_32" -o $arch = "x86_64"; then
af44e8e4 2042 echo "yasm ${yasm-no}"
0db2ce77
MR
2043 echo "MMX enabled ${mmx-no}"
2044 echo "CMOV enabled ${cmov-no}"
2045 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2046 echo "EBX available ${ebx_available-no}"
2047 echo "EBP available ${ebp_available-no}"
e41e8342 2048fi
cc6a90dd 2049if test $arch = "armv4l"; then
0db2ce77
MR
2050 echo "ARMv5TE enabled ${armv5te-no}"
2051 echo "ARMv6 enabled ${armv6-no}"
f55b299a 2052 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2053 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2054 echo "NEON enabled ${neon-no}"
eba9ae3c 2055fi
e241ba14 2056if test $arch = "mips"; then
0db2ce77 2057 echo "MMI enabled ${mmi-no}"
e41e8342 2058fi
cc6a90dd 2059if test $arch = "powerpc"; then
0db2ce77
MR
2060 echo "AltiVec enabled ${altivec-no}"
2061 echo "dcbzl available ${dcbzl-no}"
e41e8342 2062fi
0db2ce77
MR
2063echo "gprof enabled ${gprof-no}"
2064echo "debug symbols ${debug-no}"
87a0fb62 2065echo "strip symbols ${stripping-no}"
8400d6b8 2066echo "optimizations ${optimizations-no}"
0db2ce77
MR
2067echo "static ${static-no}"
2068echo "shared ${shared-no}"
4a24ab64 2069echo "postprocessing support ${postproc-no}"
13ca50f3 2070echo "software scaler enabled ${swscale-no}"
f7679c54 2071echo "new filter support ${avfilter-no}"
81124ba0 2072echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2073echo "video hooking ${vhook-no}"
90be59ef 2074if enabled vhook; then
0db2ce77
MR
2075 echo "Imlib2 support ${imlib2-no}"
2076 echo "FreeType support ${freetype2-no}"
68892110 2077fi
0db2ce77 2078echo "network support ${network-no}"
90be59ef 2079if enabled network; then
0db2ce77 2080 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2081fi
0db2ce77
MR
2082echo "threading support ${thread_type-no}"
2083echo "SDL support ${sdl-no}"
90be59ef 2084if enabled sdl_too_old; then
bfd5afd8
DB
2085 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2086fi
0db2ce77
MR
2087echo "Sun medialib support ${mlib-no}"
2088echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2089echo "libamr-nb support ${libamr_nb-no}"
2090echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2091echo "libdc1394 support ${libdc1394-no}"
690bfceb 2092echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2093echo "libfaac enabled ${libfaac-no}"
2094echo "libfaad enabled ${libfaad-no}"
7e0871a7 2095echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2096echo "libgsm enabled ${libgsm-no}"
2097echo "libmp3lame enabled ${libmp3lame-no}"
2098echo "libnut enabled ${libnut-no}"
f7cd9eed 2099echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2100echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2101echo "libtheora enabled ${libtheora-no}"
2102echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2103echo "libx264 enabled ${libx264-no}"
2104echo "libxvid enabled ${libxvid-no}"
0db2ce77 2105echo "zlib enabled ${zlib-no}"
f402916e 2106echo "bzlib enabled ${bzlib-no}"
2c62e737 2107echo
de6d9b64 2108
f7679c54 2109for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2110 echo "Enabled ${type}s:"
f65c9da1 2111 eval list=\$$(toupper $type)_LIST
8138b9db 2112 for part in $list; do
f65c9da1
MR
2113 enabled $part && echo ${part%_*}
2114 done | sort | pr -3 -t
2115 echo
8138b9db
RP
2116done
2117
ba321adb
JK
2118license="LGPL"
2119if enabled nonfree; then
2120 license="unredistributable"
2121elif enabled gpl; then
2122 license="GPL"
2123fi
2124
2125echo "License: $license"
ca5323af 2126
cf1392e9
DB
2127echo "Creating config.mak and config.h..."
2128
29799f8b
DB
2129echo "# Automatically generated by configure - do not modify!" > config.mak
2130echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2131echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2132echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2133echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
de6d9b64 2134
d921f03f 2135echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2136echo "prefix=$prefix" >> config.mak
22a324da
DB
2137echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2138echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2139echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2140echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2141echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2142echo "CC=$cc" >> config.mak
304d586d 2143echo "YASM=$yasmexe" >> config.mak
980fc7b8 2144echo "AR=$ar" >> config.mak
be7109c1 2145echo "RANLIB=$ranlib" >> config.mak
20369773 2146echo "LN_S=$ln_s" >> config.mak
87a0fb62 2147enabled stripping &&
3ae3b721 2148 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2149 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2150
a9b3f630 2151echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2152echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2153echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2154echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2155echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2156echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2157echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2158echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2159echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2160echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2161echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2162echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2163echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2164echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2165echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2166echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2167echo "SLIBSUF=$SLIBSUF" >> config.mak
2168echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2169echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2170echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
4dc62701 2171
90be59ef 2172if enabled bigendian; then
7483e694
DB
2173 echo "WORDS_BIGENDIAN=yes" >> config.mak
2174 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2175fi
44161118 2176
90be59ef 2177if enabled sdl; then
7483e694
DB
2178 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2179 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2180fi
90be59ef 2181if enabled texi2html; then
7483e694 2182 echo "BUILD_DOC=yes" >> config.mak
146ea952 2183fi
5a872801 2184
719c8e00
MR
2185get_version(){
2186 name=$1
2187 file=$source_path/$2
147e7692
MR
2188 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2189 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2190 lcname=$(tolower $name)
2191 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2192 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2193}
2194
147e7692
MR
2195get_version LIBSWSCALE libswscale/swscale.h
2196get_version LIBPOSTPROC libpostproc/postprocess.h
2197get_version LIBAVCODEC libavcodec/avcodec.h
2198get_version LIBAVDEVICE libavdevice/avdevice.h
2199get_version LIBAVFORMAT libavformat/avformat.h
2200get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2201get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2202
5af4e0cc 2203if enabled shared; then
7483e694
DB
2204 echo "BUILD_SHARED=yes" >> config.mak
2205 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2206 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2207 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2208 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2209 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2210 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2211 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2212 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2213 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2214fi
d7e27559 2215echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2216echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2217
3d907e22
MR
2218print_config ARCH_ $TMPH config.mak $ARCH_LIST
2219print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694
DB
2220print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2221 $DECODER_LIST \
2222 $ENCODER_LIST \
2223 $PARSER_LIST \
2224 $BSF_LIST \
2225 $DEMUXER_LIST \
2226 $MUXER_LIST \
f7679c54 2227 $FILTER_LIST \
7483e694
DB
2228 $PROTOCOL_LIST \
2229 $INDEV_LIST \
2230 $OUTDEV_LIST \
8ac17293 2231
c13e1abd
FH
2232echo "#define restrict $_restrict" >> $TMPH
2233
bd2216e4 2234if enabled small; then
7483e694 2235 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2236fi
2237
997baf01
MR
2238echo "SRC_PATH=\"$source_path\"" >> config.mak
2239echo "SRC_PATH_BARE=$source_path" >> config.mak
2240echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2241
8156056e 2242# Apparently it's not possible to portably echo a backslash.
3ae3b721 2243enabled asmalign_pot &&
7483e694 2244 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2245 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2246
b4d96ba2 2247echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2248
9c05103f
DB
2249echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2250
b7860763 2251# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2252cmp -s $TMPH config.h &&
2253 echo "config.h is unchanged" ||
2254 mv -f $TMPH config.h
3d204385 2255
cea0ac52 2256rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2257
165af439 2258# build tree in object directory if source path is different from current one
90be59ef 2259if enabled source_path_used; then
165af439 2260 DIRS="\
7483e694
DB
2261 doc \
2262 libavcodec \
2263 libavcodec/alpha \
2264 libavcodec/armv4l \
2265 libavcodec/bfin \
2266 libavcodec/i386 \
2267 libavcodec/mlib \
2268 libavcodec/ppc \
2269 libavcodec/sh4 \
2270 libavcodec/sparc \
52a9cf34 2271 libavdevice \
f7679c54 2272 libavfilter \
7483e694
DB
2273 libavformat \
2274 libavutil \
2275 libpostproc \
2276 libswscale \
2277 tests \
2278 tools \
2279 vhook \
2280 "
165af439 2281 FILES="\
7483e694
DB
2282 Makefile \
2283 common.mak \
71c61f62 2284 subdir.mak \
7483e694
DB
2285 doc/texi2pod.pl \
2286 libavcodec/Makefile \
52a9cf34 2287 libavdevice/Makefile \
f7679c54 2288 libavfilter/Makefile \
7483e694
DB
2289 libavformat/Makefile \
2290 libavutil/Makefile \
2291 libpostproc/Makefile \
2292 libswscale/Makefile \
2293 "
165af439 2294 for dir in $DIRS ; do
7483e694 2295 mkdir -p $dir
165af439
MR
2296 done
2297 for f in $FILES ; do
20369773 2298 $ln_s "$source_path/$f" $f
165af439
MR
2299 done
2300fi
def4272a 2301
def4272a 2302
d0674868 2303# build pkg-config files
def4272a 2304
d0674868
DB
2305pkgconfig_generate(){
2306name=$1
e426941d 2307shortname=${name#lib}
d0674868
DB
2308comment=$2
2309version=$3
2310libs=$4
2311requires=$5
25cd5cb3 2312cat <<EOF > $name/$name.pc
3e89171a 2313prefix=$prefix
a94e666c 2314exec_prefix=\${prefix}
f2b7382c 2315libdir=$libdir
7622778e 2316includedir=$incdir
def4272a 2317
d0674868
DB
2318Name: $name
2319Description: $comment
2320Version: $version
5dcfe9f8
AH
2321Requires: $(disabled shared && echo $requires)
2322Requires.private: $(enabled shared && echo $requires)
def4272a 2323Conflicts:
12701f6e
AH
2324Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2325Libs.private: $(enabled shared && echo $libs)
76a448ed 2326Cflags: -I\${includedir}
def4272a 2327EOF
25cd5cb3 2328cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2329prefix=
2330exec_prefix=
46d1ff83 2331libdir=\${pcfiledir}
1d44d365 2332includedir=${source_path}
def4272a 2333
d0674868
DB
2334Name: $name
2335Description: $comment
2336Version: $version
2337Requires: $requires
def4272a 2338Conflicts:
12701f6e 2339Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2340Cflags: -I\${includedir}
2341EOF
d0674868 2342}
def4272a 2343
e426941d 2344pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
e426941d 2345pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
e426941d 2346pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
e426941d 2347pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2348enabled avfilter &&
35a71f1d 2349 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2350enabled postproc &&
e426941d 2351 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2352if enabled swscale; then
e426941d 2353 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2354else
f436a23e 2355 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2356 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2357fi