Make configure --help return 0.
[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.
460a4fb9 11export LC_ALL=C
31e647f8 12
cde2d79a 13# make sure we are running under a compatible shell
c21d6325
MR
14# try to make this part work with most shells
15
16try_exec(){
0dbe81bb 17 echo "Trying shell $1"
2270b4b2 18 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
MR
19}
20
5237ce67 21unset foo
2270b4b2 22(: ${foo%%bar}) 2> /dev/null
0dbe81bb
MR
23E1="$?"
24
2270b4b2 25(: ${foo?}) 2> /dev/null
0dbe81bb
MR
26E2="$?"
27
28if test "$E1" != 0 || test "$E2" = 0; then
29 echo "Broken shell detected. Trying alternatives."
c21d6325
MR
30 export FF_CONF_EXEC
31 if test "0$FF_CONF_EXEC" -lt 1; then
32 FF_CONF_EXEC=1
33 try_exec bash "$0" "$@"
34 fi
35 if test "0$FF_CONF_EXEC" -lt 2; then
36 FF_CONF_EXEC=2
37 try_exec ksh "$0" "$@"
38 fi
39 if test "0$FF_CONF_EXEC" -lt 3; then
40 FF_CONF_EXEC=3
41 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
42 fi
43 echo "No compatible shell script interpreter found."
fc53da20 44 echo "This configure script requires a POSIX-compatible shell"
c21d6325 45 echo "such as bash or ksh."
505dfb09
DB
46 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
47 echo "Instead, install a working POSIX-compatible shell."
48 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
MR
49 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
50 echo "This bash version ($BASH_VERSION) is broken on your platform."
51 echo "Upgrade to a later version if available."
52 fi
cde2d79a
MR
53 exit 1
54fi
55
74c53c2d
MR
56show_help(){
57 echo "Usage: configure [options]"
58 echo "Options: [defaults in brackets after descriptions]"
59 echo
60 echo "Standard options:"
61 echo " --help print this message"
8c6afa4d
DB
62 echo " --logfile=FILE log tests and output to FILE [config.err]"
63 echo " --disable-logging do not log configure debug information"
3e89171a 64 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 65 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
74c53c2d 66 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 67 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 68 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 69 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
74c53c2d
MR
70 echo " --enable-static build static libraries [default=yes]"
71 echo " --disable-static do not build static libraries [default=no]"
72 echo " --enable-shared build shared libraries [default=no]"
73 echo " --disable-shared do not build shared libraries [default=yes]"
0a622b98
MR
74 echo " --enable-gpl allow use of GPL code, the resulting libav*"
75 echo " and ffmpeg will be under GPL [default=no]"
3fe142e2
DB
76 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
77 echo " and ffmpeg will be unredistributable [default=no]"
4a24ab64 78 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
13ca50f3 79 echo " --enable-swscale software scaler support [default=no]"
f7679c54
VS
80 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
81 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
e5f94c2b 82 echo " --enable-beosthreads use BeOS threads [default=no]"
d22e8442 83 echo " --enable-os2threads use OS/2 threads [default=no]"
74c53c2d 84 echo " --enable-pthreads use pthreads [default=no]"
eb113804 85 echo " --enable-w32threads use Win32 threads [default=no]"
56a059ac 86 echo " --enable-x11grab enable X11 grabbing [default=no]"
0a622b98
MR
87 echo
88 echo "External library support:"
5ce265a1 89 echo " --enable-mlib use Sun medialib [default=no]"
8ac17293 90 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
f5a756ef
DB
91 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
92 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
f7b8bffe
RP
93 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
94 echo " and libraw1394 [default=no]"
690bfceb 95 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
e2745046
MR
96 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
97 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
06f32b26 98 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
dc922953 99 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
e2745046 100 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
31235134
DB
101 echo " --enable-libnut enable NUT (de)muxing via libnut,"
102 echo " native demuxer exists [default=no]"
f7cd9eed 103 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
71757822 104 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
f9def9cc
DB
105 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
106 echo " native implementation exists [default=no]"
1cc60c47
DB
107 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
108 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
31235134 109 echo " native MPEG-4/Xvid encoder exists [default=no]"
74c53c2d
MR
110 echo ""
111 echo "Advanced options (experts only):"
112 echo " --source-path=PATH path to source code [$source_path]"
113 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 114 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 115 echo " --target-os=OS compiler targets OS [$target_os]"
74c53c2d 116 echo " --cc=CC use C compiler CC [$cc]"
74c53c2d
MR
117 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
118 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
119 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 120 echo " --extra-version=STRING version string suffix []"
74c53c2d 121 echo " --build-suffix=SUFFIX suffix for application specific build []"
cc6a90dd 122 echo " --arch=ARCH select architecture [$arch]"
7c758d33
DB
123 echo " --cpu=CPU selects the minimum cpu required (affects"
124 echo " instruction selection, may crash on older CPUs)"
2b4c3615 125 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d
MR
126 echo " (requires enabling PMC)"
127 echo " --disable-mmx disable MMX usage"
064df5a9
PI
128 echo " --disable-mmx2 disable MMX2 usage"
129 echo " --disable-ssse3 disable SSSE3 usage"
1839e854 130 echo " --disable-armv5te disable armv5te usage"
edab3048 131 echo " --disable-armv6 disable armv6 usage"
f55b299a 132 echo " --disable-armvfp disable ARM VFP usage"
74c53c2d
MR
133 echo " --disable-iwmmxt disable iwmmxt usage"
134 echo " --disable-altivec disable AltiVec usage"
74c53c2d 135 echo " --disable-network disable network support [default=no]"
0c7bb0e5 136 echo " --disable-ipv6 disable ipv6 support [default=no]"
74c53c2d 137 echo " --disable-zlib disable zlib [default=no]"
f402916e 138 echo " --disable-bzlib disable bzlib [default=no]"
74c53c2d 139 echo " --disable-vhook disable video hooking support"
74c53c2d
MR
140 echo " --disable-mpegaudio-hp faster (but less accurate)"
141 echo " MPEG audio decoding [default=no]"
cde9e780 142 echo " --enable-gray enable full grayscale support (slower color)"
786b30af 143 echo " --disable-ffmpeg disable ffmpeg build"
74c53c2d
MR
144 echo " --disable-ffserver disable ffserver build"
145 echo " --disable-ffplay disable ffplay build"
146 echo " --enable-small optimize for size instead of speed"
3abe5fbd 147 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
74c53c2d 148 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
74c53c2d
MR
149 echo " --disable-encoder=NAME disables encoder NAME"
150 echo " --enable-encoder=NAME enables encoder NAME"
151 echo " --disable-decoder=NAME disables decoder NAME"
152 echo " --enable-decoder=NAME enables decoder NAME"
153 echo " --disable-encoders disables all encoders"
154 echo " --disable-decoders disables all decoders"
ff70e601
MR
155 echo " --disable-muxer=NAME disables muxer NAME"
156 echo " --enable-muxer=NAME enables muxer NAME"
74c53c2d 157 echo " --disable-muxers disables all muxers"
ff70e601
MR
158 echo " --disable-demuxer=NAME disables demuxer NAME"
159 echo " --enable-demuxer=NAME enables demuxer NAME"
74c53c2d 160 echo " --disable-demuxers disables all demuxers"
af9e7d18
MR
161 echo " --enable-parser=NAME enables parser NAME"
162 echo " --disable-parser=NAME disables parser NAME"
163 echo " --disable-parsers disables all parsers"
cd61e407
JM
164 echo " --enable-bsf=NAME enables bitstream filter NAME"
165 echo " --disable-bsf=NAME disables bitstream filter NAME"
166 echo " --disable-bsfs disables all bitstream filters"
c08fb000
AB
167 echo " --enable-protocol=NAME enables protocol NAME"
168 echo " --disable-protocol=NAME disables protocol NAME"
169 echo " --disable-protocols disables all protocols"
10d46dd0 170 echo " --disable-devices disables all devices"
1865259f
SS
171 echo " --enable-filter=NAME enables filter NAME"
172 echo " --disable-filter=NAME disables filter NAME"
173 echo " --disable-filters disables all filters"
794f8e97
PI
174 echo " --list-decoders show all available decoders"
175 echo " --list-encoders show all available encoders"
176 echo " --list-muxers show all available muxers"
177 echo " --list-demuxers show all available demuxers"
178 echo " --list-parsers show all available parsers"
179 echo " --list-protocols show all available protocols"
180 echo " --list-bsfs show all available bitstream filters"
c552605c
DB
181 echo " --list-indevs show all available input devices"
182 echo " --list-outdevs show all available output devices"
1865259f 183 echo " --list-filters show all available filters"
0a622b98
MR
184 echo
185 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 186 echo " --disable-debug disable debugging symbols"
b7d49373 187 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 188 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 189 echo " --disable-optimizations disable compiler optimizations"
0a622b98 190 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 191 echo " --disable-stripping disable stripping of executables and shared libraries"
74c53c2d
MR
192 echo ""
193 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 194 exit 0
74c53c2d 195}
cf9d24ad 196
57bd82d4 197log(){
2270b4b2 198 echo "$@" >> $logfile
57bd82d4
MR
199}
200
720c69da 201log_file(){
c8e9f801 202 log BEGIN $1
2270b4b2 203 pr -n -t $1 >> $logfile
c8e9f801
MR
204 log END $1
205}
206
2ba042a7 207echolog(){
c8e9f801 208 log "$@"
57bd82d4 209 echo "$@"
2ba042a7
MR
210}
211
212die(){
213 echolog "$@"
214 cat <<EOF
215If you think configure made a mistake, make sure you are using the latest
216version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 217ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 218EOF
e155a21a 219 if disabled logging; then
2ba042a7 220 cat <<EOF
e155a21a
DB
221Rerun configure with logging enabled (do not use --disable-logging), and
222include the log this produces with your report.
2ba042a7
MR
223EOF
224 else
225cat <<EOF
e155a21a
DB
226Include the log file "$logfile" produced by configure as this will help
227solving the problem.
2ba042a7
MR
228EOF
229 fi
cea0ac52 230 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
57bd82d4
MR
231 exit 1
232}
233
6c6007d6 234# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 235toupper(){
6c6007d6 236 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
237}
238
4a5444db 239tolower(){
6c6007d6 240 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
241}
242
a8d04fba
MR
243set_all(){
244 value=$1
245 shift
246 for var in $*; do
247 eval $var=$value
248 done
249}
250
799c9e9b
MR
251pushvar(){
252 for var in $*; do
253 eval level=\${${var}_level:=0}
254 eval ${var}_${level}="\$$var"
255 eval ${var}_level=$(($level+1))
256 done
257}
258
259popvar(){
260 for var in $*; do
261 eval level=\${${var}_level:-0}
262 test $level = 0 && continue
263 eval level=$(($level-1))
264 eval $var="\${${var}_${level}}"
265 eval ${var}_level=$level
266 eval unset ${var}_${level}
267 done
268}
269
a8d04fba
MR
270enable(){
271 set_all yes $*
272}
273
274disable(){
275 set_all no $*
276}
277
57bd82d4 278enabled(){
3250003c
MR
279 test "${1#!}" = "$1" && op== || op=!=
280 eval test "x\$${1#!}" $op "xyes"
44161118
MR
281}
282
37970ebf 283disabled(){
3250003c
MR
284 test "${1#!}" = "$1" && op== || op=!=
285 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
286}
287
44161118
MR
288enabled_all(){
289 for opt; do
290 enabled $opt || return 1
291 done
292}
293
85bca2c5
DB
294disabled_all(){
295 for opt; do
296 disabled $opt || return 1
297 done
298}
299
44161118
MR
300enabled_any(){
301 for opt; do
302 enabled $opt && return 0
303 done
304}
305
85bca2c5
DB
306disabled_any(){
307 for opt; do
308 disabled $opt && return 0
309 done
310}
311
c9d19248
MR
312set_default(){
313 for opt; do
314 eval test -z "\$$opt" && eval $opt=\$${opt}_default
315 done
316}
317
4a0d6686
AJ
318is_in(){
319 value=$1
320 shift
321 for var in $*; do
322 [ $var = $value ] && return 0
323 done
324 return 1
325}
326
30fd06be
MR
327check_deps(){
328 for cfg; do
3250003c 329 cfg="${cfg#!}"
799c9e9b
MR
330 enabled ${cfg}_checking && die "Circular dependency for $cfg."
331 disabled ${cfg}_checking && continue
332 enable ${cfg}_checking
333
30fd06be
MR
334 eval dep_all="\$${cfg}_deps"
335 eval dep_any="\$${cfg}_deps_any"
799c9e9b
MR
336
337 pushvar cfg dep_all dep_any
338 check_deps $dep_all $dep_any
339 popvar cfg dep_all dep_any
340
30fd06be
MR
341 enabled_all $dep_all || disable $cfg
342 enabled_any $dep_any || disable $cfg
799c9e9b 343
4ec45764
RP
344 if enabled $cfg; then
345 eval dep_extralibs="\$${cfg}_extralibs"
346 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
347 fi
348
799c9e9b 349 disable ${cfg}_checking
30fd06be
MR
350 done
351}
352
44161118
MR
353print_config(){
354 pfx=$1
355 header=$2
356 makefile=$3
357 shift 3
358 for cfg; do
3d907e22 359 ucname="`toupper $cfg`"
44161118 360 if enabled $cfg; then
3d907e22
MR
361 echo "#define ${pfx}${ucname} 1" >> $header
362 echo "#define ENABLE_${ucname} 1" >> $header
363 echo "${pfx}${ucname}=yes" >> $makefile
364 else
365 echo "#define ENABLE_${ucname} 0" >> $header
44161118
MR
366 fi
367 done
57bd82d4
MR
368}
369
370flags_saved(){
2270b4b2 371 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
372}
373
dcd479c0 374save_flags(){
57bd82d4 375 flags_saved && return
dcd479c0
MR
376 SAVE_CFLAGS="$CFLAGS"
377 SAVE_LDFLAGS="$LDFLAGS"
378 SAVE_extralibs="$extralibs"
379}
380
381restore_flags(){
f5d28d10 382 flags_saved || return
dcd479c0
MR
383 CFLAGS="$SAVE_CFLAGS"
384 LDFLAGS="$SAVE_LDFLAGS"
385 extralibs="$SAVE_extralibs"
386 unset SAVE_CFLAGS
387 unset SAVE_LDFLAGS
388 unset SAVE_extralibs
389}
390
391temp_cflags(){
392 save_flags
393 CFLAGS="$CFLAGS $*"
394}
395
396temp_ldflags(){
397 save_flags
398 LDFLAGS="$LDFLAGS $*"
399}
400
401temp_extralibs(){
402 save_flags
403 extralibs="$extralibs $*"
404}
405
57bd82d4
MR
406append(){
407 var=$1
408 shift
409 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
410 eval "$var=\"\$$var $*\""
411}
412
413add_cflags(){
414 append CFLAGS "$@"
415}
416
417add_ldflags(){
418 append LDFLAGS "$@"
419}
420
421add_extralibs(){
422 append extralibs "$@"
423}
424
b0cfb663 425check_cmd(){
b3cb5d51 426 log "$@"
2270b4b2 427 "$@" >> $logfile 2>&1
b0cfb663
MR
428}
429
dcd479c0 430check_cc(){
57bd82d4 431 log check_cc "$@"
2270b4b2 432 cat > $TMPC
720c69da 433 log_file $TMPC
b0cfb663 434 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
435}
436
437check_cpp(){
438 log check_cpp "$@"
2270b4b2 439 cat > $TMPC
720c69da 440 log_file $TMPC
b0cfb663 441 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
442}
443
940f335a
MR
444check_asm(){
445 log check_asm "$@"
446 name="$1"
447 asm="$2"
448 shift 2
449 check_cc "$@" <<EOF && enable $name || disable $name
c23a0ac8 450int foo(void){ asm volatile($asm); }
940f335a
MR
451EOF
452}
453
304d586d
LM
454check_yasm(){
455 log check_yasm "$@"
456 echo "$1" > $TMPS
457 log_file $TMPS
458 shift 1
459 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
460}
461
dcd479c0 462check_ld(){
57bd82d4 463 log check_ld "$@"
0607887f 464 check_cc || return
3155a644
MR
465 flags=''
466 libs=''
467 for f; do
468 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
469 done
470 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
471}
472
473check_cflags(){
57bd82d4
MR
474 log check_cflags "$@"
475 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
476int x;
477EOF
478}
479
480check_ldflags(){
57bd82d4
MR
481 log check_ldflags "$@"
482 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 483int main(void){ return 0; }
dcd479c0
MR
484EOF
485}
486
487check_header(){
57bd82d4 488 log check_header "$@"
dcd479c0
MR
489 header=$1
490 shift
d8bc5f06
MR
491 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
492 disable $var
493 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
494#include <$header>
495int x;
496EOF
497}
498
499check_func(){
57bd82d4 500 log check_func "$@"
dcd479c0
MR
501 func=$1
502 shift
d8bc5f06
MR
503 disable $func
504 check_ld "$@" <<EOF && enable $func
dcd479c0 505extern int $func();
c23a0ac8 506int main(void){ $func(); }
dcd479c0
MR
507EOF
508}
509
2446d3d6
DB
510check_func_headers(){
511 log check_func_headers "$@"
f8d7b072
MR
512 headers=$1
513 func=$2
514 shift 2
515 disable $func
516 incs=""
517 for hdr in $headers; do
518 incs="$incs
519#include <$hdr>"
520 done
521 check_ld "$@" <<EOF && enable $func
522$incs
d6773f56 523int main(int argc, char **argv){
f8d7b072
MR
524 (void) $func;
525 return 0;
526}
527EOF
528}
529
57bd82d4
MR
530check_lib(){
531 log check_lib "$@"
532 header="$1"
533 func="$2"
534 shift 2
fcfcde17
MR
535 temp_extralibs "$@"
536 check_header $header && check_func $func && add_extralibs "$@"
537 err=$?
538 restore_flags
539 return $err
57bd82d4
MR
540}
541
f8d7b072
MR
542check_lib2(){
543 log check_lib2 "$@"
544 headers="$1"
545 func="$2"
546 shift 2
547 temp_extralibs "$@"
2446d3d6 548 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
549 err=$?
550 restore_flags
551 return $err
552}
553
dcd479c0 554check_exec(){
2270b4b2 555 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
556}
557
7dfef245
MR
558check_exec_crash(){
559 code=`cat`
560
561 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
562 # are safe but may not be available everywhere. Thus we use
563 # raise(SIGTERM) instead. The check is run in a subshell so we
564 # can redirect the "Terminated" message from the shell. SIGBUS
565 # is not defined by standard C so it is used conditionally.
566
2270b4b2 567 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
568#include <signal.h>
569static void sighandler(int sig){
570 raise(SIGTERM);
571}
e5af4a11 572int main(void){
7dfef245
MR
573 signal(SIGILL, sighandler);
574 signal(SIGFPE, sighandler);
575 signal(SIGSEGV, sighandler);
576#ifdef SIGBUS
577 signal(SIGBUS, sighandler);
578#endif
579 { $code }
580}
581EOF
582}
583
72be9e73
DY
584check_type(){
585 log check_type "$@"
586 headers=$1
587 type=$2
588 shift 2
589 disable $type
590 incs=""
591 for hdr in $headers; do
592 incs="$incs
593#include <$hdr>"
594 done
595 check_cc "$@" <<EOF && enable $type
596$incs
597$type v;
598EOF
599}
600
57bd82d4
MR
601require(){
602 name="$1"
603 header="$2"
604 func="$3"
605 shift 3
606 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
607}
608
f8d7b072
MR
609require2(){
610 name="$1"
611 headers="$2"
612 func="$3"
613 shift 3
614 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
615}
616
eea50282
MR
617check_foo_config(){
618 cfg=$1
619 pkg=$2
620 header=$3
621 func=$4
622 shift 4
623 disable $cfg
624 check_cmd ${pkg}-config --version
625 err=$?
626 if test "$err" = 0; then
627 temp_cflags `${pkg}-config --cflags`
628 temp_extralibs `${pkg}-config --libs`
629 check_lib "$@" $header $func && enable $cfg
630 fi
631 return $err
632}
633
c505dd31
MR
634apply(){
635 file=$1
636 shift
637 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
638}
639
dcd61286
DB
640# CONFIG_LIST contains configurable options, while HAVE_LIST is for
641# system-dependent things.
642
4a0d6686
AJ
643COMPONENT_LIST="
644 bsfs
645 decoders
646 demuxers
647 encoders
3cde40aa 648 filters
c552605c 649 indevs
4a0d6686 650 muxers
c552605c 651 outdevs
4a0d6686
AJ
652 parsers
653 protocols
654"
655
656CONFIG_LIST="
657 $COMPONENT_LIST
f7679c54
VS
658 avfilter
659 avfilter_lavf
c88f5d72
MR
660 avisynth
661 beos_netserver
f402916e 662 bzlib
c88f5d72
MR
663 ffmpeg
664 ffplay
665 ffserver
666 gpl
ecfc4f44 667 gprof
d8d0d0b2 668 gray
3abe5fbd 669 hardcoded_tables
c88f5d72 670 ipv6
f5a756ef
DB
671 libamr_nb
672 libamr_wb
f7b8bffe 673 libdc1394
690bfceb 674 libdirac
2eed5a46
DB
675 libfaac
676 libfaad
677 libfaadbin
c88f5d72 678 libgsm
6ebe07fb 679 libmp3lame
c88f5d72 680 libnut
f7cd9eed 681 libschroedinger
150d2772 682 libtheora
c88f5d72 683 libvorbis
1cc60c47
DB
684 libx264
685 libxvid
c88f5d72 686 memalign_hack
a8150374 687 mlib
c88f5d72
MR
688 mpegaudio_hp
689 network
3fe142e2 690 nonfree
4a24ab64 691 postproc
2b4c3615 692 powerpc_perf
bd2216e4 693 small
13ca50f3 694 swscale
c88f5d72 695 vhook
56a059ac 696 x11grab
c88f5d72 697 zlib
4a0d6686 698"
c88f5d72 699
8eee7025
DB
700THREADS_LIST='
701 beosthreads
d22e8442 702 os2threads
8eee7025
DB
703 pthreads
704 w32threads
705'
706
3f5b56e5
MR
707ARCH_LIST='
708 alpha
709 armv4l
710 bfin
711 ia64
712 m68k
713 mips
714 parisc
715 powerpc
716 s390
717 sh4
718 sparc
719 sparc64
720 x86
721 x86_32
722 x86_64
723'
724
725ARCH_EXT_LIST='
1ac9331a 726 altivec
1ac9331a 727 armv5te
edab3048 728 armv6
f55b299a 729 armvfp
3f5b56e5
MR
730 iwmmxt
731 mmi
732 mmx
d7f0920b 733 mmx2
6b18d278 734 neon
9eeed841 735 ssse3
bd9d34a0 736 vis
3f5b56e5
MR
737'
738
739HAVE_LIST="
740 $ARCH_EXT_LIST
741 $THREADS_LIST
742 altivec_h
c9fdab0d 743 arpa_inet_h
6bd859d6 744 bswap
c88f5d72 745 byteswap_h
ecf97f22 746 closesocket
1ac9331a 747 cmov
e16e49ac 748 conio_h
c88f5d72 749 dcbzl
f8aa696f
DB
750 dev_bktr_ioctl_bt848_h
751 dev_bktr_ioctl_meteor_h
752 dev_ic_bt8xx_h
753 dev_video_meteor_ioctl_meteor_h
754 dev_video_bktr_ioctl_bt848_h
18b67ae5 755 dlfcn_h
c88f5d72 756 dlopen
245626d0
DB
757 ebp_available
758 ebx_available
c2a29455 759 fast_64bit
7073e9fc 760 fast_cmov
7b829d2a 761 fast_unaligned
9d99cc5a 762 fork
c88f5d72 763 freetype2
da9e86f8 764 gethrtime
4e68cb8a 765 GetProcessTimes
66be5b45 766 getrusage
c88f5d72 767 imlib2
2e1913b1 768 inet_aton
61d251db 769 inline_asm
0b4a1821
AS
770 libdc1394_1
771 libdc1394_2
a33cab3a
MK
772 llrint
773 lrint
c88f5d72 774 lrintf
f8aa696f
DB
775 machine_ioctl_bt848_h
776 machine_ioctl_meteor_h
c88f5d72
MR
777 malloc_h
778 memalign
6ffa87d3 779 mkstemp
b4e806b2 780 pld
9cafbd6c 781 ppc64
a33cab3a
MK
782 round
783 roundf
c88f5d72
MR
784 sdl
785 sdl_video_size
72be9e73 786 socklen_t
deb29777 787 soundcard_h
f8cda19e 788 poll_h
b58412f1 789 sys_mman_h
b091aa44 790 sys_resource_h
81644c2e 791 sys_select_h
deb29777 792 sys_soundcard_h
1b6e8b73 793 sys_videoio_h
e16e49ac 794 termios_h
b265431e 795 threads
6ff3f3e7 796 winsock2_h
304d586d 797 yasm
0cb78cef 798"
44161118 799
520cc7f1 800CMDLINE_SELECT="
3f5b56e5 801 $ARCH_EXT_LIST
520cc7f1 802 $CONFIG_LIST
8eee7025 803 $THREADS_LIST
db6107b6 804 cross_compile
520cc7f1
MR
805 debug
806 extra_warnings
8c6afa4d 807 logging
d2bbb2f7 808 optimizations
520cc7f1
MR
809 shared
810 static
87a0fb62 811 stripping
520cc7f1 812"
426be5dc
DB
813
814PATHS_LIST='
d156bede 815 bindir
26759c44
MR
816 incdir
817 libdir
26759c44
MR
818 mandir
819 prefix
820 shlibdir
426be5dc
DB
821'
822
823CMDLINE_SET="
824 $PATHS_LIST
825 arch
826 build_suffix
827 cc
828 cpu
829 cross_prefix
ac63af34 830 extra_version
426be5dc 831 logfile
26759c44
MR
832 source_path
833 target_os
426be5dc 834"
520cc7f1 835
912f3148
DB
836# code dependency declarations
837
9eeed841
MR
838# architecture extensions
839altivec_deps="powerpc"
840armv5te_deps="armv4l"
841armv6_deps="armv4l"
f55b299a 842armvfp_deps="armv4l"
9eeed841 843iwmmxt_deps="armv4l"
e241ba14 844mmi_deps="mips"
9eeed841 845mmx_deps="x86"
fbef871d 846mmx2_deps="x86 mmx"
6b18d278 847neon_deps="armv4l"
9eeed841 848ssse3_deps="x86"
bd9d34a0 849vis_deps="sparc"
9eeed841 850
de0e19cc
MR
851# system headers and functions
852byteswap_h_deps="!armv4l"
853
912f3148 854# decoders / encoders
d8d12c15 855ac3_decoder_deps="gpl"
33a0dd37 856dxa_decoder_deps="zlib"
406ab5cc 857eac3_decoder_deps="gpl"
30fd06be 858flashsv_decoder_deps="zlib"
773be23a 859flashsv_encoder_deps="zlib"
b517af05 860mlp_decoder_deps="mlp_parser"
30fd06be
MR
861mpeg_xvmc_decoder_deps="xvmc"
862png_decoder_deps="zlib"
863png_encoder_deps="zlib"
30fd06be
MR
864zmbv_decoder_deps="zlib"
865zmbv_encoder_deps="zlib"
866
912f3148 867# external libraries
f5a756ef
DB
868libamr_nb_decoder_deps="libamr_nb"
869libamr_nb_encoder_deps="libamr_nb"
870libamr_wb_decoder_deps="libamr_wb"
871libamr_wb_encoder_deps="libamr_wb"
1b71f045 872libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 873libdirac_encoder_deps="libdirac"
c9171a83 874libfaac_encoder_deps="libfaac"
69ddbd1d 875libfaad_decoder_deps="libfaad"
4ec45764 876libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
877libgsm_decoder_deps="libgsm"
878libgsm_encoder_deps="libgsm"
8ffed8d8
MR
879libgsm_ms_decoder_deps="libgsm"
880libgsm_ms_encoder_deps="libgsm"
1cc60c47 881libmp3lame_encoder_deps="libmp3lame"
f7cd9eed
AS
882libschroedinger_decoder_deps="libschroedinger"
883libschroedinger_encoder_deps="libschroedinger"
150d2772 884libtheora_encoder_deps="libtheora"
b0caf888 885libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
886libx264_encoder_deps="libx264"
887libxvid_encoder_deps="libxvid"
13566c31 888mpeg4aac_decoder_deps="libfaad"
30fd06be 889
912f3148 890# demuxers / muxers
03a76ba9 891ac3_demuxer_deps="ac3_parser"
50383e88 892audio_beos_demuxer_deps="audio_beos"
4ec45764 893audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 894audio_beos_muxer_deps="audio_beos"
4ec45764 895audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 896avisynth_demuxer_deps="avisynth"
73483024 897bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 898dirac_demuxer_deps="dirac_parser"
fe9bb347 899dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 900libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
901libnut_demuxer_deps="libnut"
902libnut_muxer_deps="libnut"
4bd8e17c 903mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
904oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
905oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 906redir_demuxer_deps="network"
8eb793c4 907rtp_muxer_deps="network rtp_protocol"
95c21842
LA
908rtsp_demuxer_deps="sdp_demuxer"
909sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 910v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 911v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
912vfwcap_demuxer_deps="capCreateCaptureWindow"
913vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 914x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 915x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 916
912f3148 917# protocols
c08fb000
AB
918http_protocol_deps="network"
919rtp_protocol_deps="udp_protocol"
920tcp_protocol_deps="network"
921udp_protocol_deps="network"
922
f7679c54 923# filters
81124ba0 924movie_filter_deps="avfilter_lavf"
f7679c54 925
912f3148 926# programs
fa859b4d 927ffplay_deps="sdl"
6ad42348 928ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
929ffserver_extralibs='$ldl'
930vhook_extralibs='$ldl'
a2830dca 931
912f3148 932
de6d9b64 933# default parameters
8a608357 934
2ba042a7 935logfile="config.err"
8a608357
MR
936
937# installation paths
c9d19248
MR
938prefix_default="/usr/local"
939bindir_default='${prefix}/bin'
940incdir_default='${prefix}/include'
941libdir_default='${prefix}/lib'
942mandir_default='${prefix}/share/man'
943shlibdir_default="$libdir_default"
8a608357
MR
944
945# toolchain
de6d9b64 946cc="gcc"
304d586d 947yasmexe="yasm"
de6d9b64 948ar="ar"
503d5b58 949nm="nm"
be7109c1 950ranlib="ranlib"
0f3cb305 951strip="strip"
8a608357 952asmalign_pot="unknown"
20369773 953ln_s="ln -sf"
304d586d 954objformat="elf"
8a608357
MR
955
956# machine
cc6a90dd 957arch=`uname -m`
38d0a8aa 958cpu="generic"
8a608357 959
8a608357 960# OS
4f854758 961target_os=$(tolower $(uname -s))
8a608357 962
8a608357 963# libraries
f402916e 964enable bzlib
497237c7 965enable zlib
8a608357
MR
966
967# configurable options
497237c7 968enable debug
497237c7
RP
969enable ffmpeg
970enable ffplay
971enable ffserver
972enable ipv6
497237c7
RP
973enable mpegaudio_hp
974enable network
8400d6b8 975enable optimizations
497237c7 976enable protocols
530dc538 977enable static
87a0fb62 978enable stripping
8a608357
MR
979vhook="default"
980
8a608357 981# build settings
11a9d3e8 982add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 983SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 984VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 985FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
986LIBPREF="lib"
987LIBSUF=".a"
c5f14466
RP
988FULLNAME='$(NAME)$(BUILDSUF)'
989LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
990SLIBPREF="lib"
991SLIBSUF=".so"
c5f14466 992SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
993SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
994SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 995LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 996
315c741d 997# gcc stupidly only outputs the basename of targets with -MM
18c64005 998DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
315c741d 999
c597172e
MR
1000# find source path
1001source_path="`dirname \"$0\"`"
497237c7 1002enable source_path_used
c597172e
MR
1003if test -z "$source_path" -o "$source_path" = "." ; then
1004 source_path="`pwd`"
497237c7 1005 disable source_path_used
c597172e
MR
1006else
1007 source_path="`cd \"$source_path\"; pwd`"
1008 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1009 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1010fi
1011
c597172e
MR
1012FFMPEG_CONFIGURATION="$@"
1013
73ef8980
MR
1014find_things(){
1015 thing=$1
1016 pattern=$2
1017 file=$source_path/$3
932ccf39 1018 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1019}
1020
1021ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1022DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1023PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1024BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1025MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1026DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1027OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1028INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1029PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1030FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1031
7483e694
DB
1032enable $ARCH_EXT_LIST \
1033 $DECODER_LIST \
1034 $ENCODER_LIST \
1035 $PARSER_LIST \
1036 $BSF_LIST \
1037 $DEMUXER_LIST \
1038 $MUXER_LIST \
f7679c54 1039 $FILTER_LIST \
7483e694
DB
1040 $PROTOCOL_LIST \
1041 $INDEV_LIST \
1042 $OUTDEV_LIST \
c597172e
MR
1043
1044die_unknown(){
1045 echo "Unknown option \"$1\"."
1046 echo "See $0 --help for available options."
1047 exit 1
1048}
1049
794f8e97 1050show_list() {
bf0c4afa
RP
1051 suffix=_$1
1052 shift
1053 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1054 exit 0
1055}
1056
c597172e 1057for opt do
7483e694
DB
1058 optval="${opt#*=}"
1059 case "$opt" in
7483e694
DB
1060 --extra-cflags=*) add_cflags "$optval"
1061 ;;
1062 --extra-ldflags=*) add_ldflags "$optval"
1063 ;;
1064 --extra-libs=*) add_extralibs "$optval"
1065 ;;
8fb1cb58 1066 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1067 ;;
40bcf4c7
BL
1068 --enable-debug=*) debuglevel="$optval"
1069 ;;
7483e694
DB
1070 --enable-*=*|--disable-*=*)
1071 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1072 case "$thing" in
81124ba0 1073 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1074 *) die_unknown "$opt" ;;
1075 esac
1076 ;;
1077 --enable-?*|--disable-?*)
1078 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1079 if is_in $option $COMPONENT_LIST; then
1080 eval $action \$$(toupper ${option%s})_LIST
1081 elif is_in $option $CMDLINE_SELECT; then
1082 $action $option
1083 else
1084 die_unknown $opt
1085 fi
7483e694
DB
1086 ;;
1087 --list-*)
1088 NAME="${opt#--list-}"
1089 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1090 NAME=${NAME%s}
1091 eval show_list $NAME \$$(toupper $NAME)_LIST
1092 ;;
1093 --help|-h) show_help
1094 ;;
1095 *)
26759c44
MR
1096 optname="${opt%=*}"
1097 optname="${optname#--}"
1098 optname=$(echo "$optname" | sed 's/-/_/g')
1099 is_in $optname $CMDLINE_SET || die_unknown $opt
1100 eval $optname='$optval'
7483e694
DB
1101 ;;
1102 esac
c597172e
MR
1103done
1104
bcea99bb
MR
1105disabled logging && logfile=/dev/null
1106
1107echo "# $0 $@" > $logfile
1108set >> $logfile
1109
adb2b908 1110cc="${cross_prefix}${cc}"
304d586d 1111yasmexe="${cross_prefix}${yasmexe}"
adb2b908
RP
1112ar="${cross_prefix}${ar}"
1113nm="${cross_prefix}${nm}"
1114ranlib="${cross_prefix}${ranlib}"
1115strip="${cross_prefix}${strip}"
1116
e4e69e0b
MR
1117# set temporary file name
1118if test ! -z "$TMPDIR" ; then
1119 TMPDIR1="${TMPDIR}"
1120elif test ! -z "$TEMPDIR" ; then
1121 TMPDIR1="${TEMPDIR}"
1122else
1123 TMPDIR1="/tmp"
1124fi
1125
1126TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1127TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1128TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1129TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1130TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1131TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1132
e9b9a2f8
MN
1133check_cflags -fasm
1134check_cflags -std=c99
1135
b24dbcbd
RP
1136case "$arch" in
1137 i386|i486|i586|i686|i86pc|BePC)
1138 arch="x86_32"
1139 enable fast_unaligned
1140 ;;
1141 x86_64|amd64)
1142 arch="x86_32"
1143 enable fast_unaligned
1144 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1145 int test[sizeof(char*) - 7];
1146EOF
1147 ;;
1148 # armv4l is a subset of armv[567]*l
1149 arm|armv[4567]*l)
1150 arch="armv4l"
1151 ;;
1152 alpha)
1153 arch="alpha"
1154 enable fast_64bit
1155 ;;
1156 "Power Macintosh"|ppc|powerpc)
1157 arch="powerpc"
1158 ;;
1159 ppc64)
1160 arch="powerpc"
1161 enable fast_64bit
1162 ;;
1163 mips|mipsel|IP*)
1164 arch="mips"
1165 ;;
1166 sun4u|sparc64)
1167 arch="sparc64"
1168 enable fast_64bit
1169 ;;
1170 sparc)
1171 arch="sparc"
1172 ;;
1173 sh4)
1174 arch="sh4"
1175 ;;
1176 parisc)
1177 arch="parisc"
1178 ;;
1179 parisc64)
1180 arch="parisc"
1181 enable fast_64bit
1182 ;;
1183 s390|s390x)
1184 arch="s390"
1185 ;;
1186 m68k)
1187 arch="m68k"
1188 ;;
1189 ia64)
1190 arch="ia64"
1191 enable fast_64bit
1192 ;;
1193 bfin)
1194 arch="bfin"
1195 ;;
1196 *)
1197 arch="unknown"
1198 ;;
1199esac
1200
1201enable $arch
1202enabled_any x86_32 x86_64 && enable x86
1203enabled sparc64 && enable sparc
1204
7483e694 1205# OS specific
4f854758 1206case $target_os in
7483e694 1207 beos|haiku|zeta)
c9d19248 1208 prefix_default="$HOME/config"
7483e694
DB
1209 # helps building libavcodec
1210 add_cflags "-DPIC -fomit-frame-pointer"
1211 # 3 gcc releases known for BeOS, each with ugly bugs
1212 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1213 case "$gcc_version" in
1214 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1215 disable mmx
1216 ;;
1217 *20010315*) echo "BeBits gcc"
1218 add_cflags "-fno-expensive-optimizations"
1219 ;;
1220 esac
7483e694
DB
1221 SHFLAGS=-nostart
1222 # enable BeOS things
1223 enable audio_beos
1224 # no need for libm, but the inet stuff
1225 # Check for BONE
1226 # XXX: actually should check for NOT net_server
78fe7631 1227 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1228 network_extralibs="-lbind -lsocket"
1229 else
1230 enable beos_netserver
1231 network_extralibs="-lnet"
1232 fi ;;
1233 sunos)
1234 FFSERVERLDFLAGS=""
9987769a 1235 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694
DB
1236 network_extralibs="-lsocket -lnsl"
1237 ;;
1238 netbsd)
1239 oss_demuxer_extralibs="-lossaudio"
1240 oss_muxer_extralibs="-lossaudio"
1241 ;;
1242 openbsd)
1243 disable need_memalign
1244 LIBOBJFLAGS='$(PIC)'
7483e694
DB
1245 SHFLAGS='-shared'
1246 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1247 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1248 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1249 oss_demuxer_extralibs="-lossaudio"
1250 oss_muxer_extralibs="-lossaudio"
1251 ;;
1252 freebsd)
1253 disable need_memalign
1254 ;;
1255 bsd/os)
1256 osextralibs="-lpoll -lgnugetopt"
1257 strip="strip -d"
1258 ;;
1259 darwin)
1260 disable need_memalign
0138c54e 1261 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1262 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1263 strip="strip -x"
1264 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1265 SLIBSUF=".dylib"
1266 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1267 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1268 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1269 objformat="macho"
1b0f6fb8 1270 enabled x86_64 && objformat="macho64"
7483e694
DB
1271 ;;
1272 mingw32*)
4f854758 1273 target_os=mingw32
dcc01c06
RP
1274 LIBTARGET=i386
1275 if test $arch = x86_64; then
1276 disable need_memalign
1277 LIBTARGET=x64
1278 fi
fbd971a4 1279 shlibdir_default="$bindir_default"
7483e694
DB
1280 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1281 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1282 if enabled swscale; then
7483e694
DB
1283 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1284 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1285 fi
1286 disable ffserver
1287 SLIBPREF=""
1288 SLIBSUF=".dll"
1289 EXESUF=".exe"
1290 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1291 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1292 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1293 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1294 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1295 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1296 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1297 objformat="win32"
7483e694
DB
1298 ;;
1299 cygwin*)
4f854758 1300 target_os=cygwin
fbd971a4 1301 shlibdir_default="$bindir_default"
7483e694
DB
1302 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1303 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1304 if enabled swscale; then
7483e694
DB
1305 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1306 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1307 fi
1308 EXESUF=".exe"
1309 SLIBPREF="cyg"
1310 SLIBSUF=".dll"
1311 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1312 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1313 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1314 objformat="win32"
7483e694 1315 ;;
4f365f37 1316 *-dos|freedos|opendos)
4f365f37
MK
1317 disable ffplay ffserver vhook
1318 disable $INDEV_LIST $OUTDEV_LIST
1319 network_extralibs="-lsocket"
1320 EXESUF=".exe"
304d586d 1321 objformat="win32"
4f365f37 1322 ;;
7483e694 1323 linux)
7483e694
DB
1324 enable dv1394
1325 ;;
1326 irix*)
4f854758 1327 target_os=irix
7483e694
DB
1328 ranlib="echo ignoring ranlib"
1329 ;;
d22e8442 1330 os/2*)
d22e8442
DY
1331 strip="lxlite"
1332 ln_s="cp -f"
d22e8442
DY
1333 EXESUF=".exe"
1334 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1335 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1336 FFSERVERLDFLAGS=""
287d3b13 1337 LIBSUF="_s.a"
d22e8442
DY
1338 SLIBPREF=""
1339 SLIBSUF=".dll"
1340 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1341 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1342 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1343 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1344 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1345 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1346 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1347 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1348 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1349 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1350 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1351 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1352 disable vhook
d22e8442 1353 ;;
269820f1
PR
1354 interix)
1355 disable vhook
1356 ;;
d22e8442 1357
7483e694 1358 *)
4f854758 1359 target_os="${target_os}-UNKNOWN"
7483e694
DB
1360 ;;
1361esac
1362
c9d19248
MR
1363set_default $PATHS_LIST
1364
c597172e 1365add_extralibs $osextralibs
de6d9b64 1366
28d8e661
DB
1367# Combine FFLDFLAGS and the LDFLAGS environment variable.
1368LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1369
497237c7 1370test -n "$cross_prefix" && enable cross_compile
1ea46bed 1371
320d060a 1372# we need to build at least one lib type
93b3c083 1373if ! enabled_any static shared; then
320d060a
DB
1374 cat <<EOF
1375At least one library type must be built.
1376Specify --enable-static to build the static libraries or --enable-shared to
1377build the shared libraries as well. To only build the shared libraries specify
1378--disable-static in addition to --enable-shared.
1379EOF
1380 exit 1;
1381fi
1382
abc4e572 1383disabled static && LIBNAME=""
2a320695 1384
a2234ceb
RP
1385if enabled_any libfaad libfaadbin ; then
1386 if check_header faad.h; then
295b8c70 1387 check_cc <<EOF
a2234ceb
RP
1388#include <faad.h>
1389#ifndef FAAD2_VERSION
1390ok faad1
1391#endif
db817cf3 1392int main(void) { return 0; }
a2234ceb
RP
1393EOF
1394 test $? = 0 && enable libfaad2
1395 else
ff3dac65 1396 die "FAAD test failed."
a2234ceb
RP
1397 fi
1398fi
1399
1400
93b3c083 1401if ! enabled gpl; then
54118497
RP
1402 die_gpl_disabled(){
1403 name=$1
1404 shift
1405 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1406 }
4a24ab64 1407 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1408 die_gpl_disabled "libx264" libx264
1409 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1410 die_gpl_disabled "FAAD2" libfaad2
1411 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1412 die_gpl_disabled "The software scaler" swscale
ebb810d9 1413fi
b2e3c528 1414
3fe142e2
DB
1415if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1416 die "libamr is nonfree and --enable-nonfree is not specified."
1417fi
1418
9eeed841 1419check_deps $ARCH_EXT_LIST
0f3cb305 1420
5d323602
MR
1421test -z "$need_memalign" && need_memalign="$mmx"
1422
cf9d24ad 1423#Darwin CC versions
4f854758 1424if test $target_os = darwin; then
3dddba4b 1425 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4 1426 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
cf9d24ad 1427 else
8541cc27 1428 add_cflags "-pipe"
26c1b3be
DB
1429 check_cflags "-force_cpusubtype_ALL"
1430 check_cflags "-Wno-sign-compare"
f946a9a4 1431 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1432 fi
2a1a6b64
MN
1433fi
1434
40617a6d 1435disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1436
a4adb608 1437# Add processor-specific flags
38d0a8aa 1438if test $cpu != "generic"; then
bc8ec47b
MR
1439 warn_altivec(){
1440 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1441 }
38d0a8aa 1442 case $cpu in
bb270c08 1443 601|ppc601|PowerPC601)
1c5d830c 1444 add_cflags "-mcpu=601"
bc8ec47b 1445 warn_altivec enabled PPC601
bb270c08
DB
1446 ;;
1447 603*|ppc603*|PowerPC603*)
1c5d830c 1448 add_cflags "-mcpu=603"
bc8ec47b 1449 warn_altivec enabled PPC603
bb270c08
DB
1450 ;;
1451 604*|ppc604*|PowerPC604*)
1c5d830c 1452 add_cflags "-mcpu=604"
bc8ec47b 1453 warn_altivec enabled PPC604
bb270c08
DB
1454 ;;
1455 G3|g3|75*|ppc75*|PowerPC75*)
1c5d830c 1456 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
bc8ec47b 1457 warn_altivec enabled PPC75x
bb270c08
DB
1458 ;;
1459 G4|g4|745*|ppc745*|PowerPC745*)
1c5d830c 1460 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
bc8ec47b 1461 warn_altivec disabled PPC745x
bb270c08
DB
1462 ;;
1463 74*|ppc74*|PowerPC74*)
1c5d830c 1464 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
bc8ec47b 1465 warn_altivec disabled PPC74xx
bb270c08
DB
1466 ;;
1467 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1c5d830c 1468 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
bc8ec47b 1469 warn_altivec disabled PPC970
9cafbd6c 1470 enable ppc64
bb270c08 1471 ;;
e07e357d
LB
1472 Cell|CELL|cell)
1473 add_cflags "-mcpu=cell"
1474 warn_altivec disabled Cell
9cafbd6c 1475 enable ppc64
e07e357d 1476 ;;
e7768fc5
GP
1477 # targets that do NOT support conditional mov (cmov)
1478 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
38d0a8aa 1479 add_cflags "-march=$cpu"
497237c7 1480 disable cmov
e7768fc5
GP
1481 ;;
1482 # targets that do support conditional mov (cmov)
416519dd 1483 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
e7768fc5 1484 add_cflags "-march=$cpu"
497237c7
RP
1485 enable cmov
1486 enable fast_cmov
94e4c3a3
GP
1487 ;;
1488 # targets that do support conditional mov but on which it's slow
800a5a19 1489 pentium4|pentium4m|prescott|nocona)
94e4c3a3 1490 add_cflags "-march=$cpu"
497237c7
RP
1491 enable cmov
1492 disable fast_cmov
bb270c08 1493 ;;
d7b34d08 1494 sparc64)
1c5d830c 1495 add_cflags "-mcpu=v9"
d7b34d08 1496 ;;
265de665 1497 arm*|cortex*)
6b19786b
MR
1498 add_cflags "-mcpu=$cpu"
1499 ;;
bb270c08 1500 *)
7483e694 1501 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1502 ;;
a4adb608
MN
1503 esac
1504fi
1505
be0d52ab 1506# make sure we can execute files in $TMPDIR
2270b4b2 1507cat > $TMPSH 2>> $logfile <<EOF
be0d52ab
MR
1508#! /bin/sh
1509EOF
2270b4b2
DB
1510chmod +x $TMPSH >> $logfile 2>&1
1511if ! $TMPSH >> $logfile 2>&1; then
be0d52ab
MR
1512 cat <<EOF
1513Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
68300911
DB
1514variable to another directory and make sure that $TMPDIR1 is not mounted
1515noexec.
be0d52ab
MR
1516EOF
1517 die "Sanity test failed."
1518fi
edd08265 1519rm $TMPSH
be0d52ab 1520
1a268acc
MR
1521# compiler sanity check
1522check_exec <<EOF
c23a0ac8 1523int main(void){ return 0; }
1a268acc
MR
1524EOF
1525if test "$?" != 0; then
1526 echo "$cc is unable to create an executable file."
93b3c083 1527 if test -z "$cross_prefix" && ! enabled cross_compile ; then
db6107b6 1528 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
c7ae6345 1529 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1530 fi
1531 die "C compiler test failed."
1532fi
1533
b4d96ba2
MR
1534check_cc <<EOF || die "Symbol mangling check failed."
1535int ff_extern;
1536EOF
2f05d9c1 1537sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1538extern_prefix=${sym%%ff_extern*}
1539
61d251db
MR
1540check_asm inline_asm '""'
1541
9eeed841 1542if enabled x86; then
44965991
PI
1543 # check whether EBP is available on x86
1544 # As 'i' is stored on the stack, this program will crash
1545 # if the base pointer is used to access it because the
1546 # base pointer is cleared in the inline assembly code.
7dfef245 1547 check_exec_crash <<EOF && enable ebp_available
44965991
PI
1548 volatile int i=0;
1549 asm volatile (
1550 "xorl %%ebp, %%ebp"
1551 ::: "%ebp");
1552 return i;
44965991
PI
1553EOF
1554
1555 # check wether EBX is available on x86
940f335a 1556 check_asm ebx_available '"":::"%ebx"'
8e380710 1557
d7f0920b 1558 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1559 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1560 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1561
1562 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d
LM
1563
1564 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1565 enabled x86_64 && append YASMFLAGS "-m amd64"
1566 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1567 case "$objformat" in
1568 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1569 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1570 *) append YASMFLAGS "-DPREFIX" ;;
1571 esac
1572 check_yasm "pabsw xmm0, xmm0" && enable yasm
44965991
PI
1573fi
1574
87ea51e0
LB
1575# check for assembler specific support
1576
cc6a90dd 1577if test $arch = "powerpc"; then
497237c7 1578check_cc <<EOF && enable dcbzl
87ea51e0
LB
1579int main(void) {
1580 register long zero = 0;
1581 char data[1024];
1582 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1583return 0;
1584}
1585EOF
1586fi
1587
57bd82d4
MR
1588# check for SIMD availability
1589
115329f1 1590# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1591if enabled altivec; then
3ed1a2ee
DB
1592 check_cflags -maltivec -mabi=altivec &&
1593 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1594 check_cflags -faltivec
b6e52719 1595
0182fee8 1596 # check if our compiler supports Motorola AltiVec C API
497237c7 1597 check_cc <<EOF || disable altivec
dcd479c0 1598$inc_altivec_h
a9a07762
MN
1599int main(void) {
1600 vector signed int v1, v2, v3;
1601 v1 = vec_add(v2,v3);
1602 return 0;
1603}
1604EOF
b006b26c
DB
1605
1606 # check if our compiler supports braces for vector declarations
80a61f08 1607 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1608$inc_altivec_h
80a61f08 1609int main (void) { (vector int) {1}; return 0; }
b006b26c 1610EOF
a9a07762 1611fi
ab6c65f6 1612
b4e806b2
MC
1613# We have to check if pld is a nop and disable it.
1614enabled armv4l && check_asm pld '"pld [r0]"'
940f335a
MR
1615enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1616enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
f55b299a 1617enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1618enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1619enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1620enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1621enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1622
8b03def6
DB
1623enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1624
57bd82d4
MR
1625# ---
1626# big/little-endian test
9eebe687
MR
1627check_cc <<EOF || die "endian test failed"
1628unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1629EOF
d04d9e16 1630od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1631
a3999908 1632# ---
3d204385
NK
1633# check availability of some header files
1634
a98bb16d
RP
1635if check_func dlopen; then
1636 ldl=
1637elif check_func dlopen -ldl; then
1638 ldl=-ldl
8bf5d58f
MN
1639fi
1640
7483e694
DB
1641check_func fork
1642check_func gethrtime
1643check_func getrusage
094c09bb 1644check_func inet_aton $network_extralibs
7483e694
DB
1645check_func memalign
1646check_func mkstemp
2446d3d6 1647check_func_headers windows.h GetProcessTimes
6ffa87d3 1648
a98bb16d 1649check_header byteswap.h
e16e49ac 1650check_header conio.h
a98bb16d
RP
1651check_header dlfcn.h
1652check_header malloc.h
bf6ce82d 1653check_header poll.h
b58412f1 1654check_header sys/mman.h
b091aa44 1655check_header sys/resource.h
bf6ce82d 1656check_header sys/select.h
a98bb16d
RP
1657check_header termios.h
1658
1659if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1660 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1661fi
e16e49ac 1662
e8214e0e 1663enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
f402916e 1664enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1665
1666# check for some common methods of building with pthread support
1667# do this before the optional library checks as some of them require pthreads
1668if enabled pthreads; then
9e7fd101
MR
1669 if check_func pthread_create; then
1670 :
1671 elif check_func pthread_create -pthread; then
1672 add_cflags -pthread
afc9aee2 1673 add_extralibs -pthread
9e7fd101
MR
1674 elif check_func pthread_create -pthreads; then
1675 add_cflags -pthreads
afc9aee2 1676 add_extralibs -pthreads
8d94f606
GT
1677 elif check_func pthread_create -lpthreadGC2; then
1678 add_extralibs -lpthreadGC2
9e7fd101
MR
1679 elif ! check_lib pthread.h pthread_create -lpthread; then
1680 die "ERROR: can't find pthreads library"
1681 fi
57bd82d4
MR
1682fi
1683
8eee7025 1684for thread in $THREADS_LIST; do
e5f94c2b 1685 if enabled $thread; then
3ae3b721
RP
1686 test -n "$thread_type" &&
1687 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1688 thread_type="$thread"
e5f94c2b
RP
1689 fi
1690done
1691
fdf88598
MR
1692check_lib math.h sin -lm
1693
a33cab3a
MK
1694# test for C99 functions in math.h
1695for func in llrint lrint lrintf round roundf; do
1696 check_exec <<EOF && enable $func || disable $func
f32adb22 1697#include <math.h>
a33cab3a 1698int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1699EOF
a33cab3a 1700done
f32adb22 1701
57bd82d4 1702# these are off by default, so fail if requested and not available
79fda097 1703enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1704enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1705enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
690bfceb
AS
1706enabled libdirac && add_cflags "$(pkg-config --cflags dirac)" \
1707 && require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1708 && require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1709enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1710enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694
DB
1711enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1712enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1713enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
f7cd9eed 1714enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
0eeb52f9 1715 && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
7483e694
DB
1716enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1717enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
18ee626c 1718enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm
7483e694
DB
1719enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1720enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1721
0b4a1821
AS
1722# libdc1394 check
1723if enabled libdc1394; then
1724 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1725 enable libdc1394_2; } ||
1726 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1727 enable libdc1394_1; } ||
1728 die "ERROR: No version of libdc1394 found "
1729fi
1730
1731
c13e1abd
FH
1732_restrict=
1733for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1734 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1735void foo(char * $restrict_keyword p);
1736EOF
c13e1abd
FH
1737done
1738
703afd07 1739test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1740
4f854758 1741if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1742 disable vhook
fbb9d104 1743 echo
b0268cc0 1744 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1745 echo "Patches welcome."
1746 echo
1747fi
1748
8d923001
MR
1749if enabled vhook; then
1750 check_ldflags -rdynamic
1751 check_ldflags -export-dynamic
1752fi
bfd2edeb 1753
eea50282
MR
1754check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1755check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1756
a86b921c 1757##########################################
29799f8b 1758# SDL check
a86b921c 1759
497237c7
RP
1760disable sdl_too_old
1761disable sdl
6a1a892f 1762SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1763if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
1764 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1765 temp_cflags $sdl_cflags
dcd479c0 1766 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 1767 if check_lib2 SDL.h SDL_Init; then
dcd479c0 1768 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1769 if test "$_sdlversion" -lt 121 ; then
497237c7 1770 enable sdl_too_old
dcd479c0 1771 else
497237c7 1772 enable sdl
225e21ef 1773 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 1774#include <SDL.h>
d6773f56 1775int main(int argc, char **argv){
29f3b38a
MR
1776 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1777 int w = vi->current_w;
1778 return 0;
1779}
1780EOF
dcd479c0
MR
1781 fi
1782 fi
29f3b38a 1783 restore_flags
c3f6b472 1784fi
57bd82d4 1785
2270b4b2 1786texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 1787
7a91333f 1788##########################################
73b46a95
RP
1789# Network check
1790
1791if enabled network; then
668b65bd 1792 check_type sys/socket.h socklen_t
73b46a95
RP
1793 # Prefer arpa/inet.h over winsock2
1794 if check_header arpa/inet.h ; then
1795 check_func closesocket
1796 elif check_header winsock2.h ; then
ea10ddde 1797 network_extralibs="-lws2_32"
72be9e73 1798 check_type ws2tcpip.h socklen_t
2446d3d6 1799 check_func_headers winsock2.h closesocket
73b46a95
RP
1800 fi
1801fi
1802
1803##########################################
29799f8b 1804# IPv6 check
7a91333f 1805
497237c7 1806enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
1807#include <sys/types.h>
1808#include <sys/socket.h>
1809#include <netinet/in.h>
1810#include <netdb.h>
db817cf3 1811int main(void) {
7483e694
DB
1812 struct sockaddr_storage saddr;
1813 struct ipv6_mreq mreq6;
1814 getaddrinfo(0,0,0,0);
1815 getnameinfo(0,0,0,0,0,0,0);
1816 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
1817}
1818EOF
1819
06e31011
RP
1820check_header linux/videodev.h
1821check_header linux/videodev2.h
1b6e8b73 1822check_header sys/videoio.h
47f38850 1823
2446d3d6 1824check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 1825
f8aa696f 1826# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
1827{ check_header dev/bktr/ioctl_meteor.h &&
1828 check_header dev/bktr/ioctl_bt848.h; } ||
1829{ check_header machine/ioctl_meteor.h &&
1830 check_header machine/ioctl_bt848.h; } ||
1831{ check_header dev/video/meteor/ioctl_meteor.h &&
1832 check_header dev/video/bktr/ioctl_bt848.h; } ||
1833check_header dev/ic/bt8xx.h
f8aa696f 1834
c7682de0
RP
1835check_header sys/soundcard.h
1836check_header soundcard.h
deb29777 1837
7483e694 1838# deal with the X11 frame grabber
56a059ac 1839enabled x11grab &&
f58f4ce1
GP
1840check_header X11/Xlib.h &&
1841check_header X11/extensions/XShm.h &&
1842check_func XOpenDisplay -lX11 &&
06eab4ba 1843check_func XShmCreateImage -lX11 -lXext
f58f4ce1 1844
40bcf4c7 1845enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
1846
1847# add some useful compiler flags if supported
1848check_cflags -Wdeclaration-after-statement
dcd479c0
MR
1849check_cflags -Wall
1850check_cflags -Wno-switch
c07bd6a9
MN
1851check_cflags -Wdisabled-optimization
1852check_cflags -Wpointer-arith
1853check_cflags -Wredundant-decls
cc1fb623 1854check_cflags -Wno-pointer-sign
f4929996 1855check_cflags -Wcast-qual
9aceb3cf 1856check_cflags -Wwrite-strings
652a5bf6 1857check_cflags -Wtype-limits
5af4e0cc 1858enabled extra_warnings && check_cflags -Winline
cf9d24ad 1859
57bd82d4 1860# add some linker flags
5c0e9479 1861check_ldflags -Wl,--warn-common
8351d2ba
DB
1862check_ldflags -Wl,--as-needed
1863check_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 1864check_ldflags -Wl,-Bsymbolic
94a3401e 1865
bd2216e4
MR
1866if enabled small; then
1867 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
1868 optimizations="small"
1869elif enabled optimizations; then
3dddba4b 1870 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4
NP
1871 add_cflags "-O5"
1872 add_ldflags "-O5"
cf9d24ad 1873 else
30a3e5d4 1874 add_cflags "-O3"
cf9d24ad 1875 fi
cddf3f45 1876fi
11fdbc44 1877check_cflags -fno-math-errno
b2eb2ff0 1878check_cflags -fno-signed-zeros
cddf3f45 1879
504a64b9 1880# add some flags for Intel C Compiler
0c45cd07 1881if $cc --version 2> /dev/null | grep -q Intel; then
504a64b9
CEH
1882 # Just warnings, no remarks
1883 check_cflags -w1
1884 # -wd: Disable following warnings
1885 # 144, 167, 556: -Wno-pointer-sign
1886 # 10006: ignoring unknown option -fno-signed-zeros
1887 # 10156: ignoring option '-W'; no argument required
1888 check_cflags -wd144,167,556,10006,10156
1889 # 11030: Warning unknown option --as-needed
1890 # 10156: ignoring option '-export'; no argument required
1891 check_ldflags -wd10156,11030
907eb3b5
CEH
1892 # Allow to compile with optimizations
1893 check_ldflags -march=$cpu
504a64b9
CEH
1894fi
1895
80581e98 1896# PIC flags for shared library objects where they are needed
5af4e0cc 1897if enabled shared; then
569cb218
MR
1898 # LIBOBJFLAGS may have already been set in the OS configuration
1899 if test -z "$LIBOBJFLAGS" ; then
1900 case "$arch" in
b6bd7268 1901 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
1902 esac
1903 fi
80581e98
MN
1904fi
1905
90be59ef 1906if enabled gprof; then
30a3e5d4
NP
1907 add_cflags "-p"
1908 add_ldflags "-p"
1db54e20
DB
1909fi
1910
3b26ee47 1911VHOOKCFLAGS="-fPIC"
18451f7d 1912
7f3c02fc 1913# Find out if the .align argument is a power of two or not.
4454dc1b 1914if test $asmalign_pot = "unknown"; then
497237c7
RP
1915 disable asmalign_pot
1916 echo 'asm (".align 3");' | check_cc && enable asmalign_pot
4454dc1b
JD
1917fi
1918
7483e694
DB
1919enabled_any $DECODER_LIST && enable decoders
1920enabled_any $ENCODER_LIST && enable encoders
1921enabled_any $BSF_LIST && enable bsfs
1922enabled_any $DEMUXER_LIST && enable demuxers
1923enabled_any $MUXER_LIST && enable muxers
f7679c54 1924enabled_any $FILTER_LIST && enable filters
7483e694
DB
1925enabled_any $INDEV_LIST && enable demuxers
1926enabled_any $OUTDEV_LIST && enable muxers
1927enabled_any $PROTOCOL_LIST && enable protocols
1928
1929enabled_any $THREADS_LIST && enable threads
1930
1931check_deps $CONFIG_LIST \
1932 $HAVE_LIST \
1933 $DECODER_LIST \
1934 $ENCODER_LIST \
1935 $PARSER_LIST \
1936 $BSF_LIST \
1937 $DEMUXER_LIST \
1938 $MUXER_LIST \
f7679c54 1939 $FILTER_LIST \
7483e694
DB
1940 $INDEV_LIST \
1941 $OUTDEV_LIST \
1942 $PROTOCOL_LIST \
f70f03f6 1943
f7b8bffe 1944enabled libdc1394 && append pkg_requires "libraw1394"
690bfceb 1945enabled libdirac && append pkg_requires "dirac"
fb2ce7d9 1946enabled libtheora && append pkg_requires "theora"
f9def9cc 1947enabled libvorbis && append pkg_requires "vorbisenc"
fb2ce7d9 1948
3e89171a 1949echo "install prefix $prefix"
f36958f8
DB
1950echo "source path $source_path"
1951echo "C compiler $cc"
bfd5afd8 1952echo ".align is power-of-two $asmalign_pot"
f36958f8 1953echo "ARCH $arch ($cpu)"
ce8871c2
MR
1954if test "$build_suffix" != ""; then
1955 echo "build suffix $build_suffix"
eb94aca9 1956fi
ac63af34
DB
1957if test "$extra_version" != ""; then
1958 echo "version string suffix $extra_version"
1959fi
0db2ce77 1960echo "big-endian ${bigendian-no}"
419b8784 1961if test $arch = "x86_32" -o $arch = "x86_64"; then
af44e8e4 1962 echo "yasm ${yasm-no}"
0db2ce77
MR
1963 echo "MMX enabled ${mmx-no}"
1964 echo "CMOV enabled ${cmov-no}"
1965 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
1966 echo "EBX available ${ebx_available-no}"
1967 echo "EBP available ${ebp_available-no}"
e41e8342 1968fi
cc6a90dd 1969if test $arch = "armv4l"; then
0db2ce77
MR
1970 echo "ARMv5TE enabled ${armv5te-no}"
1971 echo "ARMv6 enabled ${armv6-no}"
f55b299a 1972 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 1973 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 1974 echo "NEON enabled ${neon-no}"
eba9ae3c 1975fi
e241ba14 1976if test $arch = "mips"; then
0db2ce77 1977 echo "MMI enabled ${mmi-no}"
e41e8342 1978fi
cc6a90dd 1979if test $arch = "powerpc"; then
0db2ce77
MR
1980 echo "AltiVec enabled ${altivec-no}"
1981 echo "dcbzl available ${dcbzl-no}"
e41e8342 1982fi
0db2ce77
MR
1983echo "gprof enabled ${gprof-no}"
1984echo "debug symbols ${debug-no}"
87a0fb62 1985echo "strip symbols ${stripping-no}"
8400d6b8 1986echo "optimizations ${optimizations-no}"
0db2ce77
MR
1987echo "static ${static-no}"
1988echo "shared ${shared-no}"
4a24ab64 1989echo "postprocessing support ${postproc-no}"
13ca50f3 1990echo "software scaler enabled ${swscale-no}"
f7679c54 1991echo "new filter support ${avfilter-no}"
81124ba0 1992echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 1993echo "video hooking ${vhook-no}"
90be59ef 1994if enabled vhook; then
0db2ce77
MR
1995 echo "Imlib2 support ${imlib2-no}"
1996 echo "FreeType support ${freetype2-no}"
68892110 1997fi
0db2ce77 1998echo "network support ${network-no}"
90be59ef 1999if enabled network; then
0db2ce77 2000 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2001fi
0db2ce77
MR
2002echo "threading support ${thread_type-no}"
2003echo "SDL support ${sdl-no}"
90be59ef 2004if enabled sdl_too_old; then
bfd5afd8
DB
2005 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2006fi
0db2ce77
MR
2007echo "Sun medialib support ${mlib-no}"
2008echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2009echo "libamr-nb support ${libamr_nb-no}"
2010echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2011echo "libdc1394 support ${libdc1394-no}"
690bfceb 2012echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2013echo "libfaac enabled ${libfaac-no}"
2014echo "libfaad enabled ${libfaad-no}"
7e0871a7 2015echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2016echo "libgsm enabled ${libgsm-no}"
2017echo "libmp3lame enabled ${libmp3lame-no}"
2018echo "libnut enabled ${libnut-no}"
f7cd9eed 2019echo "libschroedinger enabled ${libschroedinger-no}"
0db2ce77
MR
2020echo "libtheora enabled ${libtheora-no}"
2021echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2022echo "libx264 enabled ${libx264-no}"
2023echo "libxvid enabled ${libxvid-no}"
0db2ce77 2024echo "zlib enabled ${zlib-no}"
f402916e 2025echo "bzlib enabled ${bzlib-no}"
2c62e737 2026echo
de6d9b64 2027
f7679c54 2028for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2029 echo "Enabled ${type}s:"
f65c9da1 2030 eval list=\$$(toupper $type)_LIST
8138b9db 2031 for part in $list; do
f65c9da1
MR
2032 enabled $part && echo ${part%_*}
2033 done | sort | pr -3 -t
2034 echo
8138b9db
RP
2035done
2036
ba321adb
JK
2037license="LGPL"
2038if enabled nonfree; then
2039 license="unredistributable"
2040elif enabled gpl; then
2041 license="GPL"
2042fi
2043
2044echo "License: $license"
ca5323af 2045
cf1392e9
DB
2046echo "Creating config.mak and config.h..."
2047
29799f8b
DB
2048echo "# Automatically generated by configure - do not modify!" > config.mak
2049echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2050echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2051echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2052echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
de6d9b64 2053
d921f03f 2054echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2055echo "prefix=$prefix" >> config.mak
22a324da
DB
2056echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2057echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2058echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2059echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2060echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2061echo "CC=$cc" >> config.mak
304d586d 2062echo "YASM=$yasmexe" >> config.mak
980fc7b8 2063echo "AR=$ar" >> config.mak
be7109c1 2064echo "RANLIB=$ranlib" >> config.mak
20369773 2065echo "LN_S=$ln_s" >> config.mak
87a0fb62 2066enabled stripping &&
3ae3b721 2067 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2068 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2069
a9b3f630 2070echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2071echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2072echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2073echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2074echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2075echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2076echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2077echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2078echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2079echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2080echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2081echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2082echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2083echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2084echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2085echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2086echo "SLIBSUF=$SLIBSUF" >> config.mak
2087echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2088echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2089echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
4dc62701 2090
90be59ef 2091if enabled bigendian; then
7483e694
DB
2092 echo "WORDS_BIGENDIAN=yes" >> config.mak
2093 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2094fi
44161118 2095
90be59ef 2096if enabled sdl; then
7483e694
DB
2097 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2098 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2099fi
90be59ef 2100if enabled texi2html; then
7483e694 2101 echo "BUILD_DOC=yes" >> config.mak
146ea952 2102fi
5a872801 2103
719c8e00
MR
2104get_version(){
2105 name=$1
2106 file=$source_path/$2
147e7692
MR
2107 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2108 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2109 lcname=$(tolower $name)
2110 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2111 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2112}
2113
147e7692
MR
2114get_version LIBSWSCALE libswscale/swscale.h
2115get_version LIBPOSTPROC libpostproc/postprocess.h
2116get_version LIBAVCODEC libavcodec/avcodec.h
2117get_version LIBAVDEVICE libavdevice/avdevice.h
2118get_version LIBAVFORMAT libavformat/avformat.h
2119get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2120get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2121
5af4e0cc 2122if enabled shared; then
7483e694
DB
2123 echo "BUILD_SHARED=yes" >> config.mak
2124 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2125 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2126 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2127 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2128 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2129 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2130 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2131 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2132 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2133fi
d7e27559 2134echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2135echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2136
3d907e22
MR
2137print_config ARCH_ $TMPH config.mak $ARCH_LIST
2138print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694
DB
2139print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2140 $DECODER_LIST \
2141 $ENCODER_LIST \
2142 $PARSER_LIST \
2143 $BSF_LIST \
2144 $DEMUXER_LIST \
2145 $MUXER_LIST \
f7679c54 2146 $FILTER_LIST \
7483e694
DB
2147 $PROTOCOL_LIST \
2148 $INDEV_LIST \
2149 $OUTDEV_LIST \
8ac17293 2150
c13e1abd
FH
2151echo "#define restrict $_restrict" >> $TMPH
2152
bd2216e4 2153if enabled small; then
7483e694 2154 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2155fi
2156
997baf01
MR
2157echo "SRC_PATH=\"$source_path\"" >> config.mak
2158echo "SRC_PATH_BARE=$source_path" >> config.mak
2159echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2160
8156056e 2161# Apparently it's not possible to portably echo a backslash.
3ae3b721 2162enabled asmalign_pot &&
7483e694 2163 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2164 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2165
b4d96ba2 2166echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2167
9c05103f
DB
2168echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2169
b7860763 2170# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2171cmp -s $TMPH config.h &&
2172 echo "config.h is unchanged" ||
2173 mv -f $TMPH config.h
3d204385 2174
cea0ac52 2175rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2176
165af439 2177# build tree in object directory if source path is different from current one
90be59ef 2178if enabled source_path_used; then
165af439 2179 DIRS="\
7483e694
DB
2180 doc \
2181 libavcodec \
2182 libavcodec/alpha \
2183 libavcodec/armv4l \
2184 libavcodec/bfin \
2185 libavcodec/i386 \
2186 libavcodec/mlib \
2187 libavcodec/ppc \
2188 libavcodec/sh4 \
2189 libavcodec/sparc \
52a9cf34 2190 libavdevice \
f7679c54 2191 libavfilter \
7483e694
DB
2192 libavformat \
2193 libavutil \
2194 libpostproc \
2195 libswscale \
2196 tests \
2197 tools \
2198 vhook \
2199 "
165af439 2200 FILES="\
7483e694
DB
2201 Makefile \
2202 common.mak \
71c61f62 2203 subdir.mak \
7483e694
DB
2204 doc/texi2pod.pl \
2205 libavcodec/Makefile \
52a9cf34 2206 libavdevice/Makefile \
f7679c54 2207 libavfilter/Makefile \
7483e694
DB
2208 libavformat/Makefile \
2209 libavutil/Makefile \
2210 libpostproc/Makefile \
2211 libswscale/Makefile \
2212 "
165af439 2213 for dir in $DIRS ; do
7483e694 2214 mkdir -p $dir
165af439
MR
2215 done
2216 for f in $FILES ; do
20369773 2217 $ln_s "$source_path/$f" $f
165af439
MR
2218 done
2219fi
def4272a 2220
def4272a 2221
d0674868 2222# build pkg-config files
def4272a 2223
d0674868
DB
2224pkgconfig_generate(){
2225name=$1
e426941d 2226shortname=${name#lib}
d0674868
DB
2227comment=$2
2228version=$3
2229libs=$4
2230requires=$5
25cd5cb3 2231cat <<EOF > $name/$name.pc
3e89171a 2232prefix=$prefix
a94e666c 2233exec_prefix=\${prefix}
f2b7382c 2234libdir=$libdir
7622778e 2235includedir=$incdir
def4272a 2236
d0674868
DB
2237Name: $name
2238Description: $comment
2239Version: $version
5dcfe9f8
AH
2240Requires: $(disabled shared && echo $requires)
2241Requires.private: $(enabled shared && echo $requires)
def4272a 2242Conflicts:
12701f6e
AH
2243Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2244Libs.private: $(enabled shared && echo $libs)
76a448ed 2245Cflags: -I\${includedir}
def4272a 2246EOF
25cd5cb3 2247cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2248prefix=
2249exec_prefix=
46d1ff83 2250libdir=\${pcfiledir}
1d44d365 2251includedir=${source_path}
def4272a 2252
d0674868
DB
2253Name: $name
2254Description: $comment
2255Version: $version
2256Requires: $requires
def4272a 2257Conflicts:
12701f6e 2258Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2259Cflags: -I\${includedir}
2260EOF
d0674868 2261}
def4272a 2262
e426941d 2263pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
e426941d 2264pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
e426941d 2265pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
e426941d 2266pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2267enabled avfilter &&
35a71f1d 2268 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2269enabled postproc &&
e426941d 2270 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2271if enabled swscale; then
e426941d 2272 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2273else
f436a23e 2274 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2275 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2276fi