Build MMX/SSE FFT only if CONFIG_FFT is set
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
MR
3# FFmpeg configure script
4#
949906ea
DB
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.
79ab96ba
DB
11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
MR
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
MR
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
DB
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
MR
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
MR
75 echo " --enable-gpl allow use of GPL code, the resulting libav*"
76 echo " and ffmpeg will be under GPL [default=no]"
3fe142e2
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
VS
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]"
0a622b98
MR
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]"
f5a756ef
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"
f7b8bffe
RP
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]"
e2745046
MR
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]"
f9def9cc
DB
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]"
74c53c2d
MR
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 [$cc]"
74c53c2d
MR
119 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$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]"
7c758d33
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"
74c53c2d
MR
128 echo " (requires enabling PMC)"
129 echo " --disable-mmx disable MMX usage"
064df5a9
PI
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"
74c53c2d
MR
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"
74c53c2d
MR
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"
74c53c2d
MR
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"
74c53c2d
MR
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
MR
157 echo " --disable-muxer=NAME disables muxer NAME"
158 echo " --enable-muxer=NAME enables muxer NAME"
74c53c2d 159 echo " --disable-muxers disables all muxers"
ff70e601
MR
160 echo " --disable-demuxer=NAME disables demuxer NAME"
161 echo " --enable-demuxer=NAME enables demuxer NAME"
74c53c2d 162 echo " --disable-demuxers disables all demuxers"
af9e7d18
MR
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"
c552605c
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"
0a622b98
MR
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 [$gprof]"
d2bbb2f7 191 echo " --disable-optimizations disable compiler optimizations"
0a622b98 192 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 193 echo " --disable-stripping disable stripping of executables and shared libraries"
74c53c2d
MR
194 echo ""
195 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 196 exit 0
74c53c2d 197}
cf9d24ad 198
57bd82d4 199log(){
2270b4b2 200 echo "$@" >> $logfile
57bd82d4
MR
201}
202
720c69da 203log_file(){
c8e9f801 204 log BEGIN $1
2270b4b2 205 pr -n -t $1 >> $logfile
c8e9f801
MR
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
e155a21a
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
e155a21a
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 $TMPSH
57bd82d4
MR
233 exit 1
234}
235
6c6007d6 236# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 237toupper(){
6c6007d6 238 echo "$@" | 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
72a43668
MR
288enable_weak(){
289 set_weak yes $*
290}
291
292disable_weak(){
293 set_weak no $*
294}
295
f9d328da
MR
296do_enable_deep(){
297 for var; do
298 enabled $var && continue
299 eval sel="\$${var}_select"
c510c7b5
MR
300 eval sgs="\$${var}_suggest"
301 pushvar var sgs
f9d328da 302 enable_deep $sel
c510c7b5
MR
303 popvar sgs
304 enable_deep_weak $sgs
f9d328da
MR
305 popvar var
306 done
307}
308
309enable_deep(){
310 do_enable_deep $*
311 enable $*
312}
313
72a43668
MR
314enable_deep_weak(){
315 do_enable_deep $*
316 enable_weak $*
317}
318
57bd82d4 319enabled(){
3250003c
MR
320 test "${1#!}" = "$1" && op== || op=!=
321 eval test "x\$${1#!}" $op "xyes"
44161118
MR
322}
323
37970ebf 324disabled(){
3250003c
MR
325 test "${1#!}" = "$1" && op== || op=!=
326 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
327}
328
44161118
MR
329enabled_all(){
330 for opt; do
331 enabled $opt || return 1
332 done
333}
334
85bca2c5
DB
335disabled_all(){
336 for opt; do
337 disabled $opt || return 1
338 done
339}
340
44161118
MR
341enabled_any(){
342 for opt; do
343 enabled $opt && return 0
344 done
345}
346
85bca2c5
DB
347disabled_any(){
348 for opt; do
349 disabled $opt && return 0
350 done
f7b230a7 351 return 1
85bca2c5
DB
352}
353
c9d19248
MR
354set_default(){
355 for opt; do
356 eval test -z "\$$opt" && eval $opt=\$${opt}_default
357 done
358}
359
4a0d6686
AJ
360is_in(){
361 value=$1
362 shift
363 for var in $*; do
364 [ $var = $value ] && return 0
365 done
366 return 1
367}
368
30fd06be
MR
369check_deps(){
370 for cfg; do
3250003c 371 cfg="${cfg#!}"
799c9e9b
MR
372 enabled ${cfg}_checking && die "Circular dependency for $cfg."
373 disabled ${cfg}_checking && continue
374 enable ${cfg}_checking
375
30fd06be
MR
376 eval dep_all="\$${cfg}_deps"
377 eval dep_any="\$${cfg}_deps_any"
7ef3425f 378 eval dep_sel="\$${cfg}_select"
c510c7b5 379 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 380
c510c7b5
MR
381 pushvar cfg dep_all dep_any dep_sel dep_sgs
382 check_deps $dep_all $dep_any $dep_sel $dep_sgs
383 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 384
6a702d4c
MR
385 enabled_all $dep_all || disable $cfg
386 enabled_any $dep_any || disable $cfg
7ef3425f 387 disabled_any $dep_sel && disable $cfg
799c9e9b 388
4ec45764
RP
389 if enabled $cfg; then
390 eval dep_extralibs="\$${cfg}_extralibs"
391 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 392 enable_deep $dep_sel
c510c7b5 393 enable_deep_weak $dep_sgs
4ec45764
RP
394 fi
395
799c9e9b 396 disable ${cfg}_checking
30fd06be
MR
397 done
398}
399
44161118
MR
400print_config(){
401 pfx=$1
402 header=$2
403 makefile=$3
404 shift 3
405 for cfg; do
3d907e22 406 ucname="`toupper $cfg`"
44161118 407 if enabled $cfg; then
3d907e22
MR
408 echo "#define ${pfx}${ucname} 1" >> $header
409 echo "#define ENABLE_${ucname} 1" >> $header
410 echo "${pfx}${ucname}=yes" >> $makefile
411 else
412 echo "#define ENABLE_${ucname} 0" >> $header
44161118
MR
413 fi
414 done
57bd82d4
MR
415}
416
417flags_saved(){
2270b4b2 418 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
419}
420
dcd479c0 421save_flags(){
57bd82d4 422 flags_saved && return
dcd479c0
MR
423 SAVE_CFLAGS="$CFLAGS"
424 SAVE_LDFLAGS="$LDFLAGS"
425 SAVE_extralibs="$extralibs"
426}
427
428restore_flags(){
f5d28d10 429 flags_saved || return
dcd479c0
MR
430 CFLAGS="$SAVE_CFLAGS"
431 LDFLAGS="$SAVE_LDFLAGS"
432 extralibs="$SAVE_extralibs"
433 unset SAVE_CFLAGS
434 unset SAVE_LDFLAGS
435 unset SAVE_extralibs
436}
437
438temp_cflags(){
439 save_flags
440 CFLAGS="$CFLAGS $*"
441}
442
443temp_ldflags(){
444 save_flags
445 LDFLAGS="$LDFLAGS $*"
446}
447
448temp_extralibs(){
449 save_flags
450 extralibs="$extralibs $*"
451}
452
57bd82d4
MR
453append(){
454 var=$1
455 shift
456 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
457 eval "$var=\"\$$var $*\""
458}
459
460add_cflags(){
461 append CFLAGS "$@"
462}
463
464add_ldflags(){
465 append LDFLAGS "$@"
466}
467
468add_extralibs(){
469 append extralibs "$@"
470}
471
b0cfb663 472check_cmd(){
b3cb5d51 473 log "$@"
2270b4b2 474 "$@" >> $logfile 2>&1
b0cfb663
MR
475}
476
dcd479c0 477check_cc(){
57bd82d4 478 log check_cc "$@"
2270b4b2 479 cat > $TMPC
720c69da 480 log_file $TMPC
b0cfb663 481 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
482}
483
484check_cpp(){
485 log check_cpp "$@"
2270b4b2 486 cat > $TMPC
720c69da 487 log_file $TMPC
b0cfb663 488 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
489}
490
940f335a
MR
491check_asm(){
492 log check_asm "$@"
493 name="$1"
494 asm="$2"
495 shift 2
496 check_cc "$@" <<EOF && enable $name || disable $name
be449fca 497int foo(void){ __asm__ volatile($asm); }
940f335a
MR
498EOF
499}
500
304d586d
LM
501check_yasm(){
502 log check_yasm "$@"
503 echo "$1" > $TMPS
504 log_file $TMPS
505 shift 1
506 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
507}
508
dcd479c0 509check_ld(){
57bd82d4 510 log check_ld "$@"
0607887f 511 check_cc || return
3155a644
MR
512 flags=''
513 libs=''
514 for f; do
515 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
516 done
517 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
518}
519
520check_cflags(){
57bd82d4
MR
521 log check_cflags "$@"
522 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
523int x;
524EOF
525}
526
527check_ldflags(){
57bd82d4
MR
528 log check_ldflags "$@"
529 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 530int main(void){ return 0; }
dcd479c0
MR
531EOF
532}
533
534check_header(){
57bd82d4 535 log check_header "$@"
dcd479c0
MR
536 header=$1
537 shift
d8bc5f06
MR
538 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
539 disable $var
540 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
541#include <$header>
542int x;
543EOF
544}
545
546check_func(){
57bd82d4 547 log check_func "$@"
dcd479c0
MR
548 func=$1
549 shift
d8bc5f06
MR
550 disable $func
551 check_ld "$@" <<EOF && enable $func
dcd479c0 552extern int $func();
c23a0ac8 553int main(void){ $func(); }
dcd479c0
MR
554EOF
555}
556
2446d3d6
DB
557check_func_headers(){
558 log check_func_headers "$@"
f8d7b072
MR
559 headers=$1
560 func=$2
561 shift 2
562 disable $func
563 incs=""
564 for hdr in $headers; do
565 incs="$incs
566#include <$hdr>"
567 done
568 check_ld "$@" <<EOF && enable $func
569$incs
d6773f56 570int main(int argc, char **argv){
f8d7b072
MR
571 (void) $func;
572 return 0;
573}
574EOF
575}
576
a5344cf7
SS
577check_cpp_condition(){
578 log check_cpp_condition "$@"
579 header=$1
580 condition=$2
581 check_cpp <<EOF
582#include <$header>
583#if !($condition)
584#error "unsatisfied condition: $condition"
585#endif
586EOF
587}
588
57bd82d4
MR
589check_lib(){
590 log check_lib "$@"
591 header="$1"
592 func="$2"
593 shift 2
fcfcde17
MR
594 temp_extralibs "$@"
595 check_header $header && check_func $func && add_extralibs "$@"
596 err=$?
597 restore_flags
598 return $err
57bd82d4
MR
599}
600
f8d7b072
MR
601check_lib2(){
602 log check_lib2 "$@"
603 headers="$1"
604 func="$2"
605 shift 2
606 temp_extralibs "$@"
2446d3d6 607 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
608 err=$?
609 restore_flags
610 return $err
611}
612
dcd479c0 613check_exec(){
2270b4b2 614 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
615}
616
7dfef245
MR
617check_exec_crash(){
618 code=`cat`
619
620 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
621 # are safe but may not be available everywhere. Thus we use
622 # raise(SIGTERM) instead. The check is run in a subshell so we
623 # can redirect the "Terminated" message from the shell. SIGBUS
624 # is not defined by standard C so it is used conditionally.
625
2270b4b2 626 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
627#include <signal.h>
628static void sighandler(int sig){
629 raise(SIGTERM);
630}
e5af4a11 631int main(void){
7dfef245
MR
632 signal(SIGILL, sighandler);
633 signal(SIGFPE, sighandler);
634 signal(SIGSEGV, sighandler);
635#ifdef SIGBUS
636 signal(SIGBUS, sighandler);
637#endif
638 { $code }
639}
640EOF
641}
642
72be9e73
DY
643check_type(){
644 log check_type "$@"
645 headers=$1
646 type=$2
647 shift 2
648 disable $type
649 incs=""
650 for hdr in $headers; do
651 incs="$incs
652#include <$hdr>"
653 done
654 check_cc "$@" <<EOF && enable $type
655$incs
656$type v;
657EOF
658}
659
57bd82d4
MR
660require(){
661 name="$1"
662 header="$2"
663 func="$3"
664 shift 3
665 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
666}
667
f8d7b072
MR
668require2(){
669 name="$1"
670 headers="$2"
671 func="$3"
672 shift 3
673 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
674}
675
eea50282
MR
676check_foo_config(){
677 cfg=$1
678 pkg=$2
679 header=$3
680 func=$4
681 shift 4
682 disable $cfg
683 check_cmd ${pkg}-config --version
684 err=$?
685 if test "$err" = 0; then
686 temp_cflags `${pkg}-config --cflags`
687 temp_extralibs `${pkg}-config --libs`
688 check_lib "$@" $header $func && enable $cfg
689 fi
690 return $err
691}
692
c505dd31
MR
693apply(){
694 file=$1
695 shift
696 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
697}
698
dcd61286
DB
699# CONFIG_LIST contains configurable options, while HAVE_LIST is for
700# system-dependent things.
701
4a0d6686
AJ
702COMPONENT_LIST="
703 bsfs
704 decoders
705 demuxers
706 encoders
3cde40aa 707 filters
c552605c 708 indevs
4a0d6686 709 muxers
c552605c 710 outdevs
4a0d6686
AJ
711 parsers
712 protocols
713"
714
715CONFIG_LIST="
716 $COMPONENT_LIST
f7679c54
VS
717 avfilter
718 avfilter_lavf
c88f5d72
MR
719 avisynth
720 beos_netserver
f402916e 721 bzlib
c88f5d72
MR
722 ffmpeg
723 ffplay
724 ffserver
1848f7d9 725 fft
c88f5d72 726 gpl
ecfc4f44 727 gprof
d8d0d0b2 728 gray
3abe5fbd 729 hardcoded_tables
c88f5d72 730 ipv6
f5a756ef
DB
731 libamr_nb
732 libamr_wb
f7b8bffe 733 libdc1394
690bfceb 734 libdirac
2eed5a46
DB
735 libfaac
736 libfaad
737 libfaadbin
c88f5d72 738 libgsm
6ebe07fb 739 libmp3lame
c88f5d72 740 libnut
f7cd9eed 741 libschroedinger
ae14f311 742 libspeex
150d2772 743 libtheora
c88f5d72 744 libvorbis
1cc60c47
DB
745 libx264
746 libxvid
c88f5d72 747 memalign_hack
a8150374 748 mlib
c88f5d72
MR
749 mpegaudio_hp
750 network
3fe142e2 751 nonfree
4a24ab64 752 postproc
2b4c3615 753 powerpc_perf
bd2216e4 754 small
13ca50f3 755 swscale
c88f5d72 756 vhook
56a059ac 757 x11grab
c88f5d72 758 zlib
4a0d6686 759"
c88f5d72 760
8eee7025
DB
761THREADS_LIST='
762 beosthreads
d22e8442 763 os2threads
8eee7025
DB
764 pthreads
765 w32threads
766'
767
3f5b56e5
MR
768ARCH_LIST='
769 alpha
770 armv4l
771 bfin
772 ia64
773 m68k
774 mips
775 parisc
776 powerpc
777 s390
778 sh4
779 sparc
780 sparc64
781 x86
782 x86_32
783 x86_64
784'
785
786ARCH_EXT_LIST='
1ac9331a 787 altivec
1ac9331a 788 armv5te
edab3048 789 armv6
f55b299a 790 armvfp
3f5b56e5
MR
791 iwmmxt
792 mmi
793 mmx
d7f0920b 794 mmx2
6b18d278 795 neon
9eeed841 796 ssse3
bd9d34a0 797 vis
3f5b56e5
MR
798'
799
800HAVE_LIST="
801 $ARCH_EXT_LIST
802 $THREADS_LIST
803 altivec_h
c9fdab0d 804 arpa_inet_h
6bd859d6 805 bswap
ecf97f22 806 closesocket
1ac9331a 807 cmov
e16e49ac 808 conio_h
c88f5d72 809 dcbzl
f8aa696f
DB
810 dev_bktr_ioctl_bt848_h
811 dev_bktr_ioctl_meteor_h
812 dev_ic_bt8xx_h
813 dev_video_meteor_ioctl_meteor_h
814 dev_video_bktr_ioctl_bt848_h
18b67ae5 815 dlfcn_h
c88f5d72 816 dlopen
bc574408 817 dos_paths
245626d0
DB
818 ebp_available
819 ebx_available
c2a29455 820 fast_64bit
7073e9fc 821 fast_cmov
7b829d2a 822 fast_unaligned
9d99cc5a 823 fork
c88f5d72 824 freetype2
da9e86f8 825 gethrtime
4e68cb8a 826 GetProcessTimes
66be5b45 827 getrusage
c88f5d72 828 imlib2
2e1913b1 829 inet_aton
61d251db 830 inline_asm
0b4a1821
AS
831 libdc1394_1
832 libdc1394_2
a33cab3a
MK
833 llrint
834 lrint
c88f5d72 835 lrintf
f8aa696f
DB
836 machine_ioctl_bt848_h
837 machine_ioctl_meteor_h
c88f5d72
MR
838 malloc_h
839 memalign
6ffa87d3 840 mkstemp
b4e806b2 841 pld
9cafbd6c 842 ppc64
a33cab3a
MK
843 round
844 roundf
c88f5d72
MR
845 sdl
846 sdl_video_size
72be9e73 847 socklen_t
deb29777 848 soundcard_h
f8cda19e 849 poll_h
b58412f1 850 sys_mman_h
b091aa44 851 sys_resource_h
81644c2e 852 sys_select_h
deb29777 853 sys_soundcard_h
1b6e8b73 854 sys_videoio_h
e16e49ac 855 termios_h
b265431e 856 threads
6ff3f3e7 857 winsock2_h
304d586d 858 yasm
0cb78cef 859"
44161118 860
b6bb00b0
MR
861# options emitted with CONFIG_ prefix but not available on command line
862CONFIG_EXTRA="
863 fft_mmx
864"
865
520cc7f1 866CMDLINE_SELECT="
3f5b56e5 867 $ARCH_EXT_LIST
520cc7f1 868 $CONFIG_LIST
8eee7025 869 $THREADS_LIST
db6107b6 870 cross_compile
520cc7f1
MR
871 debug
872 extra_warnings
8c6afa4d 873 logging
d2bbb2f7 874 optimizations
520cc7f1
MR
875 shared
876 static
87a0fb62 877 stripping
520cc7f1 878"
426be5dc
DB
879
880PATHS_LIST='
d156bede 881 bindir
26759c44
MR
882 incdir
883 libdir
26759c44
MR
884 mandir
885 prefix
886 shlibdir
426be5dc
DB
887'
888
889CMDLINE_SET="
890 $PATHS_LIST
891 arch
892 build_suffix
893 cc
894 cpu
895 cross_prefix
ac63af34 896 extra_version
426be5dc 897 logfile
26759c44
MR
898 source_path
899 target_os
426be5dc 900"
520cc7f1 901
912f3148
DB
902# code dependency declarations
903
9eeed841
MR
904# architecture extensions
905altivec_deps="powerpc"
906armv5te_deps="armv4l"
907armv6_deps="armv4l"
f55b299a 908armvfp_deps="armv4l"
9eeed841 909iwmmxt_deps="armv4l"
e241ba14 910mmi_deps="mips"
9eeed841 911mmx_deps="x86"
fbef871d 912mmx2_deps="x86 mmx"
6b18d278 913neon_deps="armv4l"
9eeed841 914ssse3_deps="x86"
bd9d34a0 915vis_deps="sparc"
9eeed841 916
b6bb00b0
MR
917# common features
918fft_suggest="fft_mmx"
919fft_mmx_deps="mmx yasm"
920
912f3148 921# decoders / encoders
1848f7d9 922aac_decoder_select="fft"
d8d12c15 923ac3_decoder_deps="gpl"
1848f7d9
MR
924ac3_decoder_select="fft"
925ac3_encoder_select="fft"
926atrac3_decoder_select="fft"
927cook_decoder_select="fft"
3c69e5d3 928dca_decoder_select="fft"
33a0dd37 929dxa_decoder_deps="zlib"
406ab5cc 930eac3_decoder_deps="gpl"
1848f7d9 931eac3_decoder_select="fft"
30fd06be 932flashsv_decoder_deps="zlib"
773be23a 933flashsv_encoder_deps="zlib"
1848f7d9 934imc_decoder_select="fft"
b517af05 935mlp_decoder_deps="mlp_parser"
30fd06be 936mpeg_xvmc_decoder_deps="xvmc"
1848f7d9
MR
937nellymoser_decoder_select="fft"
938nellymoser_encoder_select="fft"
30fd06be
MR
939png_decoder_deps="zlib"
940png_encoder_deps="zlib"
1848f7d9
MR
941qdm2_decoder_select="fft"
942vorbis_decoder_select="fft"
943vorbis_encoder_select="fft"
944wmav1_decoder_select="fft"
945wmav1_encoder_select="fft"
946wmav2_decoder_select="fft"
947wmav2_encoder_select="fft"
30fd06be
MR
948zmbv_decoder_deps="zlib"
949zmbv_encoder_deps="zlib"
950
912f3148 951# external libraries
f5a756ef
DB
952libamr_nb_decoder_deps="libamr_nb"
953libamr_nb_encoder_deps="libamr_nb"
954libamr_wb_decoder_deps="libamr_wb"
955libamr_wb_encoder_deps="libamr_wb"
1b71f045 956libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 957libdirac_encoder_deps="libdirac"
c9171a83 958libfaac_encoder_deps="libfaac"
69ddbd1d 959libfaad_decoder_deps="libfaad"
4ec45764 960libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
961libgsm_decoder_deps="libgsm"
962libgsm_encoder_deps="libgsm"
8ffed8d8
MR
963libgsm_ms_decoder_deps="libgsm"
964libgsm_ms_encoder_deps="libgsm"
1cc60c47 965libmp3lame_encoder_deps="libmp3lame"
f7cd9eed
AS
966libschroedinger_decoder_deps="libschroedinger"
967libschroedinger_encoder_deps="libschroedinger"
ae14f311 968libspeex_decoder_deps="libspeex"
150d2772 969libtheora_encoder_deps="libtheora"
b0caf888 970libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
971libx264_encoder_deps="libx264"
972libxvid_encoder_deps="libxvid"
13566c31 973mpeg4aac_decoder_deps="libfaad"
30fd06be 974
912f3148 975# demuxers / muxers
03a76ba9 976ac3_demuxer_deps="ac3_parser"
50383e88 977audio_beos_demuxer_deps="audio_beos"
4ec45764 978audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 979audio_beos_muxer_deps="audio_beos"
4ec45764 980audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 981avisynth_demuxer_deps="avisynth"
73483024 982bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 983dirac_demuxer_deps="dirac_parser"
fe9bb347 984dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 985libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
986libnut_demuxer_deps="libnut"
987libnut_muxer_deps="libnut"
4bd8e17c 988mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
989oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
990oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 991redir_demuxer_deps="network"
8eb793c4 992rtp_muxer_deps="network rtp_protocol"
95c21842
LA
993rtsp_demuxer_deps="sdp_demuxer"
994sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 995v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 996v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
997vfwcap_demuxer_deps="capCreateCaptureWindow"
998vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 999x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1000x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1001
912f3148 1002# protocols
c08fb000
AB
1003http_protocol_deps="network"
1004rtp_protocol_deps="udp_protocol"
1005tcp_protocol_deps="network"
1006udp_protocol_deps="network"
1007
f7679c54 1008# filters
81124ba0 1009movie_filter_deps="avfilter_lavf"
f7679c54 1010
912f3148 1011# programs
fa859b4d 1012ffplay_deps="sdl"
6ad42348 1013ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
1014ffserver_extralibs='$ldl'
1015vhook_extralibs='$ldl'
a2830dca 1016
912f3148 1017
de6d9b64 1018# default parameters
8a608357 1019
2ba042a7 1020logfile="config.err"
8a608357
MR
1021
1022# installation paths
c9d19248
MR
1023prefix_default="/usr/local"
1024bindir_default='${prefix}/bin'
1025incdir_default='${prefix}/include'
1026libdir_default='${prefix}/lib'
1027mandir_default='${prefix}/share/man'
1028shlibdir_default="$libdir_default"
8a608357
MR
1029
1030# toolchain
13c7df3d 1031cc_default="gcc"
304d586d 1032yasmexe="yasm"
de6d9b64 1033ar="ar"
503d5b58 1034nm="nm"
be7109c1 1035ranlib="ranlib"
0f3cb305 1036strip="strip"
8a608357 1037asmalign_pot="unknown"
20369773 1038ln_s="ln -sf"
304d586d 1039objformat="elf"
8a608357
MR
1040
1041# machine
cc6a90dd 1042arch=`uname -m`
38d0a8aa 1043cpu="generic"
8a608357 1044
8a608357 1045# OS
4f854758 1046target_os=$(tolower $(uname -s))
8a608357 1047
8a608357 1048# libraries
f402916e 1049enable bzlib
497237c7 1050enable zlib
8a608357
MR
1051
1052# configurable options
497237c7 1053enable debug
497237c7
RP
1054enable ffmpeg
1055enable ffplay
1056enable ffserver
1057enable ipv6
497237c7
RP
1058enable mpegaudio_hp
1059enable network
8400d6b8 1060enable optimizations
497237c7 1061enable protocols
530dc538 1062enable static
87a0fb62 1063enable stripping
8a608357
MR
1064vhook="default"
1065
8a608357 1066# build settings
11a9d3e8 1067add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1068SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 1069VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 1070FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1071LIBPREF="lib"
1072LIBSUF=".a"
c5f14466
RP
1073FULLNAME='$(NAME)$(BUILDSUF)'
1074LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1075SLIBPREF="lib"
1076SLIBSUF=".so"
c5f14466 1077SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1078SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1079SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1080LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1081
0d7dca36
DB
1082# gcc stupidly only outputs the basename of targets with -MM, but we need the
1083# full relative path for objects in subdirectories for non-recursive Make.
ec0bd3b9 1084DEPEND_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 1085
c597172e
MR
1086# find source path
1087source_path="`dirname \"$0\"`"
497237c7 1088enable source_path_used
c597172e
MR
1089if test -z "$source_path" -o "$source_path" = "." ; then
1090 source_path="`pwd`"
497237c7 1091 disable source_path_used
c597172e
MR
1092else
1093 source_path="`cd \"$source_path\"; pwd`"
1094 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1095 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1096fi
1097
c597172e
MR
1098FFMPEG_CONFIGURATION="$@"
1099
73ef8980
MR
1100find_things(){
1101 thing=$1
1102 pattern=$2
1103 file=$source_path/$3
932ccf39 1104 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1105}
1106
1107ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1108DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1109PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1110BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1111MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1112DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1113OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1114INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1115PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1116FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1117
7483e694
DB
1118enable $ARCH_EXT_LIST \
1119 $DECODER_LIST \
1120 $ENCODER_LIST \
1121 $PARSER_LIST \
1122 $BSF_LIST \
1123 $DEMUXER_LIST \
1124 $MUXER_LIST \
f7679c54 1125 $FILTER_LIST \
7483e694
DB
1126 $PROTOCOL_LIST \
1127 $INDEV_LIST \
1128 $OUTDEV_LIST \
c597172e
MR
1129
1130die_unknown(){
1131 echo "Unknown option \"$1\"."
1132 echo "See $0 --help for available options."
1133 exit 1
1134}
1135
794f8e97 1136show_list() {
bf0c4afa
RP
1137 suffix=_$1
1138 shift
1139 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1140 exit 0
1141}
1142
c597172e 1143for opt do
7483e694
DB
1144 optval="${opt#*=}"
1145 case "$opt" in
7483e694
DB
1146 --extra-cflags=*) add_cflags "$optval"
1147 ;;
1148 --extra-ldflags=*) add_ldflags "$optval"
1149 ;;
1150 --extra-libs=*) add_extralibs "$optval"
1151 ;;
8fb1cb58 1152 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1153 ;;
40bcf4c7
BL
1154 --enable-debug=*) debuglevel="$optval"
1155 ;;
7483e694
DB
1156 --enable-*=*|--disable-*=*)
1157 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1158 case "$thing" in
81124ba0 1159 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1160 *) die_unknown "$opt" ;;
1161 esac
1162 ;;
1163 --enable-?*|--disable-?*)
1164 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1165 if is_in $option $COMPONENT_LIST; then
1166 eval $action \$$(toupper ${option%s})_LIST
1167 elif is_in $option $CMDLINE_SELECT; then
1168 $action $option
1169 else
1170 die_unknown $opt
1171 fi
7483e694
DB
1172 ;;
1173 --list-*)
1174 NAME="${opt#--list-}"
1175 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1176 NAME=${NAME%s}
1177 eval show_list $NAME \$$(toupper $NAME)_LIST
1178 ;;
1179 --help|-h) show_help
1180 ;;
1181 *)
884a36a7 1182 optname="${opt%%=*}"
26759c44
MR
1183 optname="${optname#--}"
1184 optname=$(echo "$optname" | sed 's/-/_/g')
1185 is_in $optname $CMDLINE_SET || die_unknown $opt
1186 eval $optname='$optval'
7483e694
DB
1187 ;;
1188 esac
c597172e
MR
1189done
1190
bcea99bb
MR
1191disabled logging && logfile=/dev/null
1192
1193echo "# $0 $@" > $logfile
1194set >> $logfile
1195
13c7df3d 1196cc_default="${cross_prefix}${cc_default}"
304d586d 1197yasmexe="${cross_prefix}${yasmexe}"
adb2b908
RP
1198ar="${cross_prefix}${ar}"
1199nm="${cross_prefix}${nm}"
1200ranlib="${cross_prefix}${ranlib}"
1201strip="${cross_prefix}${strip}"
1202
13c7df3d
MR
1203set_default cc
1204
e4e69e0b
MR
1205# set temporary file name
1206if test ! -z "$TMPDIR" ; then
1207 TMPDIR1="${TMPDIR}"
1208elif test ! -z "$TEMPDIR" ; then
1209 TMPDIR1="${TEMPDIR}"
1210else
1211 TMPDIR1="/tmp"
1212fi
1213
1214TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1215TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1216TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1217TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1218TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1219TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1220
e9b9a2f8
MN
1221check_cflags -std=c99
1222
b24dbcbd
RP
1223case "$arch" in
1224 i386|i486|i586|i686|i86pc|BePC)
1225 arch="x86_32"
1226 enable fast_unaligned
1227 ;;
1228 x86_64|amd64)
1229 arch="x86_32"
1230 enable fast_unaligned
1231 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1232 int test[sizeof(char*) - 7];
1233EOF
1234 ;;
1235 # armv4l is a subset of armv[567]*l
1236 arm|armv[4567]*l)
1237 arch="armv4l"
1238 ;;
1239 alpha)
1240 arch="alpha"
1241 enable fast_64bit
1242 ;;
1243 "Power Macintosh"|ppc|powerpc)
1244 arch="powerpc"
aa8bc0f1 1245 enable fast_unaligned
b24dbcbd
RP
1246 ;;
1247 ppc64)
1248 arch="powerpc"
1249 enable fast_64bit
aa8bc0f1 1250 enable fast_unaligned
b24dbcbd
RP
1251 ;;
1252 mips|mipsel|IP*)
1253 arch="mips"
1254 ;;
1255 sun4u|sparc64)
1256 arch="sparc64"
1257 enable fast_64bit
1258 ;;
1259 sparc)
1260 arch="sparc"
1261 ;;
1262 sh4)
1263 arch="sh4"
1264 ;;
1265 parisc)
1266 arch="parisc"
1267 ;;
1268 parisc64)
1269 arch="parisc"
1270 enable fast_64bit
1271 ;;
1272 s390|s390x)
1273 arch="s390"
1274 ;;
1275 m68k)
1276 arch="m68k"
1277 ;;
1278 ia64)
1279 arch="ia64"
1280 enable fast_64bit
1281 ;;
1282 bfin)
1283 arch="bfin"
1284 ;;
1285 *)
1286 arch="unknown"
1287 ;;
1288esac
1289
1290enable $arch
1291enabled_any x86_32 x86_64 && enable x86
1292enabled sparc64 && enable sparc
1293
7483e694 1294# OS specific
4f854758 1295case $target_os in
7483e694 1296 beos|haiku|zeta)
c9d19248 1297 prefix_default="$HOME/config"
7483e694
DB
1298 # helps building libavcodec
1299 add_cflags "-DPIC -fomit-frame-pointer"
1300 # 3 gcc releases known for BeOS, each with ugly bugs
1301 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1302 case "$gcc_version" in
1303 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1304 disable mmx
1305 ;;
1306 *20010315*) echo "BeBits gcc"
1307 add_cflags "-fno-expensive-optimizations"
1308 ;;
1309 esac
7483e694
DB
1310 SHFLAGS=-nostart
1311 # enable BeOS things
1312 enable audio_beos
1313 # no need for libm, but the inet stuff
1314 # Check for BONE
1315 # XXX: actually should check for NOT net_server
78fe7631 1316 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1317 network_extralibs="-lbind -lsocket"
1318 else
1319 enable beos_netserver
1320 network_extralibs="-lnet"
1321 fi ;;
1322 sunos)
1323 FFSERVERLDFLAGS=""
9987769a 1324 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694
DB
1325 network_extralibs="-lsocket -lnsl"
1326 ;;
1327 netbsd)
1328 oss_demuxer_extralibs="-lossaudio"
1329 oss_muxer_extralibs="-lossaudio"
1330 ;;
1331 openbsd)
1332 disable need_memalign
1333 LIBOBJFLAGS='$(PIC)'
7483e694
DB
1334 SHFLAGS='-shared'
1335 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1336 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1337 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1338 oss_demuxer_extralibs="-lossaudio"
1339 oss_muxer_extralibs="-lossaudio"
1340 ;;
1341 freebsd)
1342 disable need_memalign
1343 ;;
1344 bsd/os)
1345 osextralibs="-lpoll -lgnugetopt"
1346 strip="strip -d"
1347 ;;
1348 darwin)
1349 disable need_memalign
0138c54e 1350 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1351 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1352 strip="strip -x"
1353 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1354 SLIBSUF=".dylib"
1355 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1356 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1357 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1358 objformat="macho"
1b0f6fb8 1359 enabled x86_64 && objformat="macho64"
7483e694
DB
1360 ;;
1361 mingw32*)
4f854758 1362 target_os=mingw32
dcc01c06
RP
1363 LIBTARGET=i386
1364 if test $arch = x86_64; then
1365 disable need_memalign
1366 LIBTARGET=x64
1367 fi
fbd971a4 1368 shlibdir_default="$bindir_default"
7483e694
DB
1369 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1370 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1371 if enabled swscale; then
7483e694
DB
1372 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1373 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1374 fi
1375 disable ffserver
1376 SLIBPREF=""
1377 SLIBSUF=".dll"
1378 EXESUF=".exe"
1379 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1380 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1381 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1382 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1383 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1384 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1385 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1386 objformat="win32"
bc574408 1387 enable dos_paths
7483e694
DB
1388 ;;
1389 cygwin*)
4f854758 1390 target_os=cygwin
fbd971a4 1391 shlibdir_default="$bindir_default"
7483e694
DB
1392 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1393 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1394 if enabled swscale; then
7483e694
DB
1395 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1396 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1397 fi
1398 EXESUF=".exe"
1399 SLIBPREF="cyg"
1400 SLIBSUF=".dll"
1401 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1402 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1403 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1404 objformat="win32"
bc574408 1405 enable dos_paths
7483e694 1406 ;;
4f365f37 1407 *-dos|freedos|opendos)
4f365f37
MK
1408 disable ffplay ffserver vhook
1409 disable $INDEV_LIST $OUTDEV_LIST
1410 network_extralibs="-lsocket"
1411 EXESUF=".exe"
304d586d 1412 objformat="win32"
bc574408 1413 enable dos_paths
4f365f37 1414 ;;
7483e694 1415 linux)
7483e694
DB
1416 enable dv1394
1417 ;;
1418 irix*)
4f854758 1419 target_os=irix
7483e694
DB
1420 ranlib="echo ignoring ranlib"
1421 ;;
d22e8442 1422 os/2*)
d22e8442
DY
1423 strip="lxlite"
1424 ln_s="cp -f"
d22e8442
DY
1425 EXESUF=".exe"
1426 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1427 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1428 FFSERVERLDFLAGS=""
287d3b13 1429 LIBSUF="_s.a"
d22e8442
DY
1430 SLIBPREF=""
1431 SLIBSUF=".dll"
1432 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1433 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1434 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1435 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1436 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1437 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1438 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1439 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1440 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1441 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1442 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1443 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1444 disable vhook
bc574408 1445 enable dos_paths
d22e8442 1446 ;;
269820f1
PR
1447 interix)
1448 disable vhook
1449 ;;
d22e8442 1450
7483e694 1451 *)
4f854758 1452 target_os="${target_os}-UNKNOWN"
7483e694
DB
1453 ;;
1454esac
1455
c9d19248
MR
1456set_default $PATHS_LIST
1457
c597172e 1458add_extralibs $osextralibs
de6d9b64 1459
28d8e661
DB
1460# Combine FFLDFLAGS and the LDFLAGS environment variable.
1461LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1462
497237c7 1463test -n "$cross_prefix" && enable cross_compile
1ea46bed 1464
320d060a 1465# we need to build at least one lib type
93b3c083 1466if ! enabled_any static shared; then
320d060a
DB
1467 cat <<EOF
1468At least one library type must be built.
1469Specify --enable-static to build the static libraries or --enable-shared to
1470build the shared libraries as well. To only build the shared libraries specify
1471--disable-static in addition to --enable-shared.
1472EOF
1473 exit 1;
1474fi
1475
abc4e572 1476disabled static && LIBNAME=""
2a320695 1477
a2234ceb
RP
1478if enabled_any libfaad libfaadbin ; then
1479 if check_header faad.h; then
295b8c70 1480 check_cc <<EOF
a2234ceb
RP
1481#include <faad.h>
1482#ifndef FAAD2_VERSION
1483ok faad1
1484#endif
db817cf3 1485int main(void) { return 0; }
a2234ceb
RP
1486EOF
1487 test $? = 0 && enable libfaad2
1488 else
ff3dac65 1489 die "FAAD test failed."
a2234ceb
RP
1490 fi
1491fi
1492
1493
93b3c083 1494if ! enabled gpl; then
54118497
RP
1495 die_gpl_disabled(){
1496 name=$1
1497 shift
1498 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1499 }
4a24ab64 1500 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1501 die_gpl_disabled "libx264" libx264
1502 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1503 die_gpl_disabled "FAAD2" libfaad2
1504 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1505 die_gpl_disabled "The software scaler" swscale
ebb810d9 1506fi
b2e3c528 1507
3fe142e2
DB
1508if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1509 die "libamr is nonfree and --enable-nonfree is not specified."
1510fi
1511
9eeed841 1512check_deps $ARCH_EXT_LIST
0f3cb305 1513
5d323602
MR
1514test -z "$need_memalign" && need_memalign="$mmx"
1515
cf9d24ad 1516#Darwin CC versions
4f854758 1517if test $target_os = darwin; then
3dddba4b 1518 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4 1519 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
cf9d24ad 1520 else
8541cc27 1521 add_cflags "-pipe"
26c1b3be
DB
1522 check_cflags "-force_cpusubtype_ALL"
1523 check_cflags "-Wno-sign-compare"
f946a9a4 1524 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1525 fi
2a1a6b64
MN
1526fi
1527
40617a6d 1528disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1529
a4adb608 1530# Add processor-specific flags
38d0a8aa 1531if test $cpu != "generic"; then
bc8ec47b
MR
1532 warn_altivec(){
1533 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1534 }
38d0a8aa 1535 case $cpu in
bb270c08 1536 601|ppc601|PowerPC601)
1c5d830c 1537 add_cflags "-mcpu=601"
bc8ec47b 1538 warn_altivec enabled PPC601
bb270c08
DB
1539 ;;
1540 603*|ppc603*|PowerPC603*)
1c5d830c 1541 add_cflags "-mcpu=603"
bc8ec47b 1542 warn_altivec enabled PPC603
bb270c08
DB
1543 ;;
1544 604*|ppc604*|PowerPC604*)
1c5d830c 1545 add_cflags "-mcpu=604"
bc8ec47b 1546 warn_altivec enabled PPC604
bb270c08
DB
1547 ;;
1548 G3|g3|75*|ppc75*|PowerPC75*)
1c5d830c 1549 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
bc8ec47b 1550 warn_altivec enabled PPC75x
bb270c08
DB
1551 ;;
1552 G4|g4|745*|ppc745*|PowerPC745*)
1c5d830c 1553 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
bc8ec47b 1554 warn_altivec disabled PPC745x
bb270c08
DB
1555 ;;
1556 74*|ppc74*|PowerPC74*)
1c5d830c 1557 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
bc8ec47b 1558 warn_altivec disabled PPC74xx
bb270c08
DB
1559 ;;
1560 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1c5d830c 1561 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
bc8ec47b 1562 warn_altivec disabled PPC970
9cafbd6c 1563 enable ppc64
bb270c08 1564 ;;
e07e357d
LB
1565 Cell|CELL|cell)
1566 add_cflags "-mcpu=cell"
1567 warn_altivec disabled Cell
9cafbd6c 1568 enable ppc64
e07e357d 1569 ;;
e7768fc5
GP
1570 # targets that do NOT support conditional mov (cmov)
1571 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
38d0a8aa 1572 add_cflags "-march=$cpu"
497237c7 1573 disable cmov
e7768fc5
GP
1574 ;;
1575 # targets that do support conditional mov (cmov)
416519dd 1576 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
e7768fc5 1577 add_cflags "-march=$cpu"
497237c7
RP
1578 enable cmov
1579 enable fast_cmov
94e4c3a3
GP
1580 ;;
1581 # targets that do support conditional mov but on which it's slow
800a5a19 1582 pentium4|pentium4m|prescott|nocona)
94e4c3a3 1583 add_cflags "-march=$cpu"
497237c7
RP
1584 enable cmov
1585 disable fast_cmov
bb270c08 1586 ;;
d7b34d08 1587 sparc64)
1c5d830c 1588 add_cflags "-mcpu=v9"
d7b34d08 1589 ;;
f2e49553
MR
1590 arm11*|cortex*)
1591 add_cflags "-mcpu=$cpu"
1592 enable fast_unaligned
1593 ;;
0223bd6f
MR
1594 armv*)
1595 add_cflags "-march=$cpu"
1596 ;;
f2e49553 1597 arm*)
6b19786b
MR
1598 add_cflags "-mcpu=$cpu"
1599 ;;
bb270c08 1600 *)
7483e694 1601 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1602 ;;
a4adb608
MN
1603 esac
1604fi
1605
be0d52ab 1606# make sure we can execute files in $TMPDIR
2270b4b2 1607cat > $TMPSH 2>> $logfile <<EOF
be0d52ab
MR
1608#! /bin/sh
1609EOF
2270b4b2
DB
1610chmod +x $TMPSH >> $logfile 2>&1
1611if ! $TMPSH >> $logfile 2>&1; then
be0d52ab
MR
1612 cat <<EOF
1613Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
68300911
DB
1614variable to another directory and make sure that $TMPDIR1 is not mounted
1615noexec.
be0d52ab
MR
1616EOF
1617 die "Sanity test failed."
1618fi
edd08265 1619rm $TMPSH
be0d52ab 1620
1a268acc
MR
1621# compiler sanity check
1622check_exec <<EOF
c23a0ac8 1623int main(void){ return 0; }
1a268acc
MR
1624EOF
1625if test "$?" != 0; then
1626 echo "$cc is unable to create an executable file."
93b3c083 1627 if test -z "$cross_prefix" && ! enabled cross_compile ; then
db6107b6 1628 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
c7ae6345 1629 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1630 fi
1631 die "C compiler test failed."
1632fi
1633
b4d96ba2
MR
1634check_cc <<EOF || die "Symbol mangling check failed."
1635int ff_extern;
1636EOF
2f05d9c1 1637sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1638extern_prefix=${sym%%ff_extern*}
1639
61d251db
MR
1640check_asm inline_asm '""'
1641
9eeed841 1642if enabled x86; then
44965991
PI
1643 # check whether EBP is available on x86
1644 # As 'i' is stored on the stack, this program will crash
1645 # if the base pointer is used to access it because the
1646 # base pointer is cleared in the inline assembly code.
7dfef245 1647 check_exec_crash <<EOF && enable ebp_available
44965991 1648 volatile int i=0;
be449fca 1649 __asm__ volatile (
44965991
PI
1650 "xorl %%ebp, %%ebp"
1651 ::: "%ebp");
1652 return i;
44965991
PI
1653EOF
1654
1655 # check wether EBX is available on x86
940f335a 1656 check_asm ebx_available '"":::"%ebx"'
8e380710 1657
d7f0920b 1658 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1659 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1660 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1661
1662 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d
LM
1663
1664 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1665 enabled x86_64 && append YASMFLAGS "-m amd64"
1666 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1667 case "$objformat" in
1668 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1669 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1670 *) append YASMFLAGS "-DPREFIX" ;;
1671 esac
1672 check_yasm "pabsw xmm0, xmm0" && enable yasm
44965991
PI
1673fi
1674
87ea51e0
LB
1675# check for assembler specific support
1676
cc6a90dd 1677if test $arch = "powerpc"; then
5eb39de9 1678 check_asm dcbzl '"dcbzl 0, 1"'
87ea51e0
LB
1679fi
1680
57bd82d4
MR
1681# check for SIMD availability
1682
115329f1 1683# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1684if enabled altivec; then
3ed1a2ee
DB
1685 check_cflags -maltivec -mabi=altivec &&
1686 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1687 check_cflags -faltivec
b6e52719 1688
0182fee8 1689 # check if our compiler supports Motorola AltiVec C API
497237c7 1690 check_cc <<EOF || disable altivec
dcd479c0 1691$inc_altivec_h
a9a07762
MN
1692int main(void) {
1693 vector signed int v1, v2, v3;
1694 v1 = vec_add(v2,v3);
1695 return 0;
1696}
1697EOF
b006b26c
DB
1698
1699 # check if our compiler supports braces for vector declarations
80a61f08 1700 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1701$inc_altivec_h
80a61f08 1702int main (void) { (vector int) {1}; return 0; }
b006b26c 1703EOF
a9a07762 1704fi
ab6c65f6 1705
b4e806b2
MC
1706# We have to check if pld is a nop and disable it.
1707enabled armv4l && check_asm pld '"pld [r0]"'
940f335a
MR
1708enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1709enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
f55b299a 1710enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1711enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1712enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1713enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1714enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1715
8b03def6
DB
1716enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1717
57bd82d4
MR
1718# ---
1719# big/little-endian test
9eebe687
MR
1720check_cc <<EOF || die "endian test failed"
1721unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1722EOF
d04d9e16 1723od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1724
a3999908 1725# ---
3d204385
NK
1726# check availability of some header files
1727
a98bb16d
RP
1728if check_func dlopen; then
1729 ldl=
1730elif check_func dlopen -ldl; then
1731 ldl=-ldl
8bf5d58f
MN
1732fi
1733
7483e694
DB
1734check_func fork
1735check_func gethrtime
1736check_func getrusage
094c09bb 1737check_func inet_aton $network_extralibs
7483e694
DB
1738check_func memalign
1739check_func mkstemp
2446d3d6 1740check_func_headers windows.h GetProcessTimes
6ffa87d3 1741
e16e49ac 1742check_header conio.h
a98bb16d
RP
1743check_header dlfcn.h
1744check_header malloc.h
bf6ce82d 1745check_header poll.h
b58412f1 1746check_header sys/mman.h
b091aa44 1747check_header sys/resource.h
bf6ce82d 1748check_header sys/select.h
a98bb16d
RP
1749check_header termios.h
1750
1751if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1752 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1753fi
e16e49ac 1754
e8214e0e 1755enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
f402916e 1756enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1757
1758# check for some common methods of building with pthread support
1759# do this before the optional library checks as some of them require pthreads
1760if enabled pthreads; then
9e7fd101
MR
1761 if check_func pthread_create; then
1762 :
1763 elif check_func pthread_create -pthread; then
1764 add_cflags -pthread
afc9aee2 1765 add_extralibs -pthread
9e7fd101
MR
1766 elif check_func pthread_create -pthreads; then
1767 add_cflags -pthreads
afc9aee2 1768 add_extralibs -pthreads
8d94f606
GT
1769 elif check_func pthread_create -lpthreadGC2; then
1770 add_extralibs -lpthreadGC2
9e7fd101
MR
1771 elif ! check_lib pthread.h pthread_create -lpthread; then
1772 die "ERROR: can't find pthreads library"
1773 fi
57bd82d4
MR
1774fi
1775
8eee7025 1776for thread in $THREADS_LIST; do
e5f94c2b 1777 if enabled $thread; then
3ae3b721
RP
1778 test -n "$thread_type" &&
1779 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1780 thread_type="$thread"
e5f94c2b
RP
1781 fi
1782done
1783
fdf88598
MR
1784check_lib math.h sin -lm
1785
a33cab3a
MK
1786# test for C99 functions in math.h
1787for func in llrint lrint lrintf round roundf; do
1788 check_exec <<EOF && enable $func || disable $func
f32adb22 1789#include <math.h>
a33cab3a 1790int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1791EOF
a33cab3a 1792done
f32adb22 1793
57bd82d4 1794# these are off by default, so fail if requested and not available
79fda097 1795enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1796enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1797enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 1798enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
1799 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1800 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1801enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1802enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694
DB
1803enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1804enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1805enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
36718e51
DB
1806enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1807 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 1808enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
1809enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1810enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
36718e51 1811enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
1812 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1813 die "ERROR: libx264 version must be >= 0.65."; }
7483e694
DB
1814enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1815enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1816
0b4a1821
AS
1817# libdc1394 check
1818if enabled libdc1394; then
1819 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1820 enable libdc1394_2; } ||
1821 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1822 enable libdc1394_1; } ||
1823 die "ERROR: No version of libdc1394 found "
1824fi
1825
1826
c13e1abd
FH
1827_restrict=
1828for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1829 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1830void foo(char * $restrict_keyword p);
1831EOF
c13e1abd
FH
1832done
1833
703afd07 1834test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1835
4f854758 1836if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1837 disable vhook
fbb9d104 1838 echo
b0268cc0 1839 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1840 echo "Patches welcome."
1841 echo
1842fi
1843
8d923001
MR
1844if enabled vhook; then
1845 check_ldflags -rdynamic
1846 check_ldflags -export-dynamic
1847fi
bfd2edeb 1848
eea50282
MR
1849check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1850check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1851
a86b921c 1852##########################################
29799f8b 1853# SDL check
a86b921c 1854
497237c7
RP
1855disable sdl_too_old
1856disable sdl
6a1a892f 1857SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1858if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
1859 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1860 temp_cflags $sdl_cflags
dcd479c0 1861 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 1862 if check_lib2 SDL.h SDL_Init; then
dcd479c0 1863 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1864 if test "$_sdlversion" -lt 121 ; then
497237c7 1865 enable sdl_too_old
dcd479c0 1866 else
497237c7 1867 enable sdl
225e21ef 1868 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 1869#include <SDL.h>
d6773f56 1870int main(int argc, char **argv){
29f3b38a
MR
1871 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1872 int w = vi->current_w;
1873 return 0;
1874}
1875EOF
dcd479c0
MR
1876 fi
1877 fi
29f3b38a 1878 restore_flags
c3f6b472 1879fi
57bd82d4 1880
2270b4b2 1881texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 1882
7a91333f 1883##########################################
73b46a95
RP
1884# Network check
1885
1886if enabled network; then
668b65bd 1887 check_type sys/socket.h socklen_t
73b46a95
RP
1888 # Prefer arpa/inet.h over winsock2
1889 if check_header arpa/inet.h ; then
1890 check_func closesocket
1891 elif check_header winsock2.h ; then
ea10ddde 1892 network_extralibs="-lws2_32"
72be9e73 1893 check_type ws2tcpip.h socklen_t
2446d3d6 1894 check_func_headers winsock2.h closesocket
73b46a95
RP
1895 fi
1896fi
1897
1898##########################################
29799f8b 1899# IPv6 check
7a91333f 1900
497237c7 1901enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
1902#include <sys/types.h>
1903#include <sys/socket.h>
1904#include <netinet/in.h>
1905#include <netdb.h>
db817cf3 1906int main(void) {
7483e694
DB
1907 struct sockaddr_storage saddr;
1908 struct ipv6_mreq mreq6;
1909 getaddrinfo(0,0,0,0);
1910 getnameinfo(0,0,0,0,0,0,0);
1911 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
1912}
1913EOF
1914
06e31011
RP
1915check_header linux/videodev.h
1916check_header linux/videodev2.h
1b6e8b73 1917check_header sys/videoio.h
47f38850 1918
2446d3d6 1919check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 1920
f8aa696f 1921# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
1922{ check_header dev/bktr/ioctl_meteor.h &&
1923 check_header dev/bktr/ioctl_bt848.h; } ||
1924{ check_header machine/ioctl_meteor.h &&
1925 check_header machine/ioctl_bt848.h; } ||
1926{ check_header dev/video/meteor/ioctl_meteor.h &&
1927 check_header dev/video/bktr/ioctl_bt848.h; } ||
1928check_header dev/ic/bt8xx.h
f8aa696f 1929
c7682de0
RP
1930check_header sys/soundcard.h
1931check_header soundcard.h
deb29777 1932
7483e694 1933# deal with the X11 frame grabber
56a059ac 1934enabled x11grab &&
f58f4ce1
GP
1935check_header X11/Xlib.h &&
1936check_header X11/extensions/XShm.h &&
1937check_func XOpenDisplay -lX11 &&
06eab4ba 1938check_func XShmCreateImage -lX11 -lXext
f58f4ce1 1939
40bcf4c7 1940enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
1941
1942# add some useful compiler flags if supported
1943check_cflags -Wdeclaration-after-statement
dcd479c0
MR
1944check_cflags -Wall
1945check_cflags -Wno-switch
c07bd6a9
MN
1946check_cflags -Wdisabled-optimization
1947check_cflags -Wpointer-arith
1948check_cflags -Wredundant-decls
cc1fb623 1949check_cflags -Wno-pointer-sign
f4929996 1950check_cflags -Wcast-qual
9aceb3cf 1951check_cflags -Wwrite-strings
652a5bf6 1952check_cflags -Wtype-limits
5af4e0cc 1953enabled extra_warnings && check_cflags -Winline
cf9d24ad 1954
57bd82d4 1955# add some linker flags
5c0e9479 1956check_ldflags -Wl,--warn-common
8351d2ba
DB
1957check_ldflags -Wl,--as-needed
1958check_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 1959check_ldflags -Wl,-Bsymbolic
94a3401e 1960
bd2216e4
MR
1961if enabled small; then
1962 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
1963 optimizations="small"
1964elif enabled optimizations; then
3dddba4b 1965 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4
NP
1966 add_cflags "-O5"
1967 add_ldflags "-O5"
cf9d24ad 1968 else
30a3e5d4 1969 add_cflags "-O3"
cf9d24ad 1970 fi
cddf3f45 1971fi
11fdbc44 1972check_cflags -fno-math-errno
b2eb2ff0 1973check_cflags -fno-signed-zeros
cddf3f45 1974
504a64b9 1975# add some flags for Intel C Compiler
0c45cd07 1976if $cc --version 2> /dev/null | grep -q Intel; then
504a64b9
CEH
1977 # Just warnings, no remarks
1978 check_cflags -w1
1979 # -wd: Disable following warnings
1980 # 144, 167, 556: -Wno-pointer-sign
1981 # 10006: ignoring unknown option -fno-signed-zeros
1982 # 10156: ignoring option '-W'; no argument required
1983 check_cflags -wd144,167,556,10006,10156
1984 # 11030: Warning unknown option --as-needed
1985 # 10156: ignoring option '-export'; no argument required
1986 check_ldflags -wd10156,11030
907eb3b5
CEH
1987 # Allow to compile with optimizations
1988 check_ldflags -march=$cpu
504a64b9
CEH
1989fi
1990
80581e98 1991# PIC flags for shared library objects where they are needed
5af4e0cc 1992if enabled shared; then
569cb218
MR
1993 # LIBOBJFLAGS may have already been set in the OS configuration
1994 if test -z "$LIBOBJFLAGS" ; then
1995 case "$arch" in
b6bd7268 1996 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
1997 esac
1998 fi
80581e98
MN
1999fi
2000
90be59ef 2001if enabled gprof; then
30a3e5d4
NP
2002 add_cflags "-p"
2003 add_ldflags "-p"
1db54e20
DB
2004fi
2005
3b26ee47 2006VHOOKCFLAGS="-fPIC"
18451f7d 2007
7f3c02fc 2008# Find out if the .align argument is a power of two or not.
4454dc1b 2009if test $asmalign_pot = "unknown"; then
497237c7 2010 disable asmalign_pot
be449fca 2011 echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
4454dc1b
JD
2012fi
2013
7483e694
DB
2014enabled_any $DECODER_LIST && enable decoders
2015enabled_any $ENCODER_LIST && enable encoders
2016enabled_any $BSF_LIST && enable bsfs
2017enabled_any $DEMUXER_LIST && enable demuxers
2018enabled_any $MUXER_LIST && enable muxers
f7679c54 2019enabled_any $FILTER_LIST && enable filters
7483e694
DB
2020enabled_any $INDEV_LIST && enable demuxers
2021enabled_any $OUTDEV_LIST && enable muxers
2022enabled_any $PROTOCOL_LIST && enable protocols
2023
2024enabled_any $THREADS_LIST && enable threads
2025
2026check_deps $CONFIG_LIST \
b6bb00b0 2027 $CONFIG_EXTRA \
7483e694
DB
2028 $HAVE_LIST \
2029 $DECODER_LIST \
2030 $ENCODER_LIST \
2031 $PARSER_LIST \
2032 $BSF_LIST \
2033 $DEMUXER_LIST \
2034 $MUXER_LIST \
f7679c54 2035 $FILTER_LIST \
7483e694
DB
2036 $INDEV_LIST \
2037 $OUTDEV_LIST \
2038 $PROTOCOL_LIST \
f70f03f6 2039
f7b8bffe 2040enabled libdc1394 && append pkg_requires "libraw1394"
690bfceb 2041enabled libdirac && append pkg_requires "dirac"
fb2ce7d9 2042enabled libtheora && append pkg_requires "theora"
f9def9cc 2043enabled libvorbis && append pkg_requires "vorbisenc"
fb2ce7d9 2044
3e89171a 2045echo "install prefix $prefix"
f36958f8
DB
2046echo "source path $source_path"
2047echo "C compiler $cc"
bfd5afd8 2048echo ".align is power-of-two $asmalign_pot"
f36958f8 2049echo "ARCH $arch ($cpu)"
ce8871c2
MR
2050if test "$build_suffix" != ""; then
2051 echo "build suffix $build_suffix"
eb94aca9 2052fi
ac63af34
DB
2053if test "$extra_version" != ""; then
2054 echo "version string suffix $extra_version"
2055fi
0db2ce77 2056echo "big-endian ${bigendian-no}"
419b8784 2057if test $arch = "x86_32" -o $arch = "x86_64"; then
af44e8e4 2058 echo "yasm ${yasm-no}"
0db2ce77
MR
2059 echo "MMX enabled ${mmx-no}"
2060 echo "CMOV enabled ${cmov-no}"
2061 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2062 echo "EBX available ${ebx_available-no}"
2063 echo "EBP available ${ebp_available-no}"
e41e8342 2064fi
cc6a90dd 2065if test $arch = "armv4l"; then
0db2ce77
MR
2066 echo "ARMv5TE enabled ${armv5te-no}"
2067 echo "ARMv6 enabled ${armv6-no}"
f55b299a 2068 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2069 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2070 echo "NEON enabled ${neon-no}"
eba9ae3c 2071fi
e241ba14 2072if test $arch = "mips"; then
0db2ce77 2073 echo "MMI enabled ${mmi-no}"
e41e8342 2074fi
cc6a90dd 2075if test $arch = "powerpc"; then
0db2ce77
MR
2076 echo "AltiVec enabled ${altivec-no}"
2077 echo "dcbzl available ${dcbzl-no}"
e41e8342 2078fi
0db2ce77
MR
2079echo "gprof enabled ${gprof-no}"
2080echo "debug symbols ${debug-no}"
87a0fb62 2081echo "strip symbols ${stripping-no}"
8400d6b8 2082echo "optimizations ${optimizations-no}"
0db2ce77
MR
2083echo "static ${static-no}"
2084echo "shared ${shared-no}"
4a24ab64 2085echo "postprocessing support ${postproc-no}"
13ca50f3 2086echo "software scaler enabled ${swscale-no}"
f7679c54 2087echo "new filter support ${avfilter-no}"
81124ba0 2088echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2089echo "video hooking ${vhook-no}"
90be59ef 2090if enabled vhook; then
0db2ce77
MR
2091 echo "Imlib2 support ${imlib2-no}"
2092 echo "FreeType support ${freetype2-no}"
68892110 2093fi
0db2ce77 2094echo "network support ${network-no}"
90be59ef 2095if enabled network; then
0db2ce77 2096 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2097fi
0db2ce77
MR
2098echo "threading support ${thread_type-no}"
2099echo "SDL support ${sdl-no}"
90be59ef 2100if enabled sdl_too_old; then
bfd5afd8
DB
2101 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2102fi
0db2ce77
MR
2103echo "Sun medialib support ${mlib-no}"
2104echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2105echo "libamr-nb support ${libamr_nb-no}"
2106echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2107echo "libdc1394 support ${libdc1394-no}"
690bfceb 2108echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2109echo "libfaac enabled ${libfaac-no}"
2110echo "libfaad enabled ${libfaad-no}"
7e0871a7 2111echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2112echo "libgsm enabled ${libgsm-no}"
2113echo "libmp3lame enabled ${libmp3lame-no}"
2114echo "libnut enabled ${libnut-no}"
f7cd9eed 2115echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2116echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2117echo "libtheora enabled ${libtheora-no}"
2118echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2119echo "libx264 enabled ${libx264-no}"
2120echo "libxvid enabled ${libxvid-no}"
0db2ce77 2121echo "zlib enabled ${zlib-no}"
f402916e 2122echo "bzlib enabled ${bzlib-no}"
2c62e737 2123echo
de6d9b64 2124
f7679c54 2125for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2126 echo "Enabled ${type}s:"
f65c9da1 2127 eval list=\$$(toupper $type)_LIST
8138b9db 2128 for part in $list; do
f65c9da1
MR
2129 enabled $part && echo ${part%_*}
2130 done | sort | pr -3 -t
2131 echo
8138b9db
RP
2132done
2133
ba321adb
JK
2134license="LGPL"
2135if enabled nonfree; then
2136 license="unredistributable"
2137elif enabled gpl; then
2138 license="GPL"
2139fi
2140
2141echo "License: $license"
ca5323af 2142
cf1392e9
DB
2143echo "Creating config.mak and config.h..."
2144
29799f8b
DB
2145echo "# Automatically generated by configure - do not modify!" > config.mak
2146echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2147echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2148echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2149echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
de6d9b64 2150
d921f03f 2151echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2152echo "prefix=$prefix" >> config.mak
22a324da
DB
2153echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2154echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2155echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2156echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2157echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2158echo "CC=$cc" >> config.mak
304d586d 2159echo "YASM=$yasmexe" >> config.mak
980fc7b8 2160echo "AR=$ar" >> config.mak
be7109c1 2161echo "RANLIB=$ranlib" >> config.mak
20369773 2162echo "LN_S=$ln_s" >> config.mak
87a0fb62 2163enabled stripping &&
3ae3b721 2164 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2165 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2166
a9b3f630 2167echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2168echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2169echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2170echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2171echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2172echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2173echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2174echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2175echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2176echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2177echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2178echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2179echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2180echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2181echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2182echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2183echo "SLIBSUF=$SLIBSUF" >> config.mak
2184echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2185echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2186echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
4dc62701 2187
90be59ef 2188if enabled bigendian; then
7483e694
DB
2189 echo "WORDS_BIGENDIAN=yes" >> config.mak
2190 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2191fi
44161118 2192
90be59ef 2193if enabled sdl; then
7483e694
DB
2194 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2195 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2196fi
90be59ef 2197if enabled texi2html; then
7483e694 2198 echo "BUILD_DOC=yes" >> config.mak
146ea952 2199fi
5a872801 2200
719c8e00
MR
2201get_version(){
2202 name=$1
2203 file=$source_path/$2
147e7692
MR
2204 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2205 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2206 lcname=$(tolower $name)
2207 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2208 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2209}
2210
147e7692
MR
2211get_version LIBSWSCALE libswscale/swscale.h
2212get_version LIBPOSTPROC libpostproc/postprocess.h
2213get_version LIBAVCODEC libavcodec/avcodec.h
2214get_version LIBAVDEVICE libavdevice/avdevice.h
2215get_version LIBAVFORMAT libavformat/avformat.h
2216get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2217get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2218
5af4e0cc 2219if enabled shared; then
7483e694
DB
2220 echo "BUILD_SHARED=yes" >> config.mak
2221 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2222 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2223 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2224 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2225 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2226 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2227 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2228 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2229 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2230fi
d7e27559 2231echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2232echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2233
3d907e22
MR
2234print_config ARCH_ $TMPH config.mak $ARCH_LIST
2235print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2236print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2237 $CONFIG_EXTRA \
7483e694
DB
2238 $DECODER_LIST \
2239 $ENCODER_LIST \
2240 $PARSER_LIST \
2241 $BSF_LIST \
2242 $DEMUXER_LIST \
2243 $MUXER_LIST \
f7679c54 2244 $FILTER_LIST \
7483e694
DB
2245 $PROTOCOL_LIST \
2246 $INDEV_LIST \
2247 $OUTDEV_LIST \
8ac17293 2248
c13e1abd
FH
2249echo "#define restrict $_restrict" >> $TMPH
2250
bd2216e4 2251if enabled small; then
7483e694 2252 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2253fi
2254
997baf01
MR
2255echo "SRC_PATH=\"$source_path\"" >> config.mak
2256echo "SRC_PATH_BARE=$source_path" >> config.mak
2257echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2258
8156056e 2259# Apparently it's not possible to portably echo a backslash.
3ae3b721 2260enabled asmalign_pot &&
7483e694 2261 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2262 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2263
b4d96ba2 2264echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2265
9c05103f
DB
2266echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2267
b7860763 2268# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2269cmp -s $TMPH config.h &&
2270 echo "config.h is unchanged" ||
2271 mv -f $TMPH config.h
3d204385 2272
cea0ac52 2273rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2274
165af439 2275# build tree in object directory if source path is different from current one
90be59ef 2276if enabled source_path_used; then
165af439 2277 DIRS="\
7483e694
DB
2278 doc \
2279 libavcodec \
2280 libavcodec/alpha \
2281 libavcodec/armv4l \
2282 libavcodec/bfin \
2283 libavcodec/i386 \
2284 libavcodec/mlib \
2285 libavcodec/ppc \
2286 libavcodec/sh4 \
2287 libavcodec/sparc \
52a9cf34 2288 libavdevice \
f7679c54 2289 libavfilter \
7483e694
DB
2290 libavformat \
2291 libavutil \
2292 libpostproc \
2293 libswscale \
2294 tests \
2295 tools \
2296 vhook \
2297 "
165af439 2298 FILES="\
7483e694
DB
2299 Makefile \
2300 common.mak \
71c61f62 2301 subdir.mak \
7483e694
DB
2302 doc/texi2pod.pl \
2303 libavcodec/Makefile \
52a9cf34 2304 libavdevice/Makefile \
f7679c54 2305 libavfilter/Makefile \
7483e694
DB
2306 libavformat/Makefile \
2307 libavutil/Makefile \
2308 libpostproc/Makefile \
2309 libswscale/Makefile \
2310 "
165af439 2311 for dir in $DIRS ; do
7483e694 2312 mkdir -p $dir
165af439
MR
2313 done
2314 for f in $FILES ; do
20369773 2315 $ln_s "$source_path/$f" $f
165af439
MR
2316 done
2317fi
def4272a 2318
def4272a 2319
d0674868 2320# build pkg-config files
def4272a 2321
d0674868
DB
2322pkgconfig_generate(){
2323name=$1
e426941d 2324shortname=${name#lib}
d0674868
DB
2325comment=$2
2326version=$3
2327libs=$4
2328requires=$5
25cd5cb3 2329cat <<EOF > $name/$name.pc
3e89171a 2330prefix=$prefix
a94e666c 2331exec_prefix=\${prefix}
f2b7382c 2332libdir=$libdir
7622778e 2333includedir=$incdir
def4272a 2334
d0674868
DB
2335Name: $name
2336Description: $comment
2337Version: $version
5dcfe9f8
AH
2338Requires: $(disabled shared && echo $requires)
2339Requires.private: $(enabled shared && echo $requires)
def4272a 2340Conflicts:
12701f6e
AH
2341Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2342Libs.private: $(enabled shared && echo $libs)
76a448ed 2343Cflags: -I\${includedir}
def4272a 2344EOF
25cd5cb3 2345cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2346prefix=
2347exec_prefix=
46d1ff83 2348libdir=\${pcfiledir}
1d44d365 2349includedir=${source_path}
def4272a 2350
d0674868
DB
2351Name: $name
2352Description: $comment
2353Version: $version
2354Requires: $requires
def4272a 2355Conflicts:
12701f6e 2356Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2357Cflags: -I\${includedir}
2358EOF
d0674868 2359}
def4272a 2360
e426941d 2361pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
e426941d 2362pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
e426941d 2363pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
e426941d 2364pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2365enabled avfilter &&
35a71f1d 2366 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2367enabled postproc &&
e426941d 2368 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2369if enabled swscale; then
e426941d 2370 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2371else
f436a23e 2372 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2373 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2374fi