Update DEPEND_CMD comment to better explain why we postprocess gcc output.
[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]"
71757822 105 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
f9def9cc
DB
106 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
107 echo " native implementation exists [default=no]"
1cc60c47
DB
108 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
109 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
31235134 110 echo " native MPEG-4/Xvid encoder exists [default=no]"
74c53c2d
MR
111 echo ""
112 echo "Advanced options (experts only):"
113 echo " --source-path=PATH path to source code [$source_path]"
114 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 115 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 116 echo " --target-os=OS compiler targets OS [$target_os]"
74c53c2d 117 echo " --cc=CC use C compiler CC [$cc]"
74c53c2d
MR
118 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
119 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
120 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 121 echo " --extra-version=STRING version string suffix []"
74c53c2d 122 echo " --build-suffix=SUFFIX suffix for application specific build []"
cc6a90dd 123 echo " --arch=ARCH select architecture [$arch]"
7c758d33
DB
124 echo " --cpu=CPU selects the minimum cpu required (affects"
125 echo " instruction selection, may crash on older CPUs)"
2b4c3615 126 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d
MR
127 echo " (requires enabling PMC)"
128 echo " --disable-mmx disable MMX usage"
064df5a9
PI
129 echo " --disable-mmx2 disable MMX2 usage"
130 echo " --disable-ssse3 disable SSSE3 usage"
1839e854 131 echo " --disable-armv5te disable armv5te usage"
edab3048 132 echo " --disable-armv6 disable armv6 usage"
f55b299a 133 echo " --disable-armvfp disable ARM VFP usage"
74c53c2d
MR
134 echo " --disable-iwmmxt disable iwmmxt usage"
135 echo " --disable-altivec disable AltiVec usage"
74c53c2d 136 echo " --disable-network disable network support [default=no]"
0c7bb0e5 137 echo " --disable-ipv6 disable ipv6 support [default=no]"
74c53c2d 138 echo " --disable-zlib disable zlib [default=no]"
f402916e 139 echo " --disable-bzlib disable bzlib [default=no]"
74c53c2d 140 echo " --disable-vhook disable video hooking support"
74c53c2d
MR
141 echo " --disable-mpegaudio-hp faster (but less accurate)"
142 echo " MPEG audio decoding [default=no]"
cde9e780 143 echo " --enable-gray enable full grayscale support (slower color)"
786b30af 144 echo " --disable-ffmpeg disable ffmpeg build"
74c53c2d
MR
145 echo " --disable-ffserver disable ffserver build"
146 echo " --disable-ffplay disable ffplay build"
147 echo " --enable-small optimize for size instead of speed"
3abe5fbd 148 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
74c53c2d 149 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
74c53c2d
MR
150 echo " --disable-encoder=NAME disables encoder NAME"
151 echo " --enable-encoder=NAME enables encoder NAME"
152 echo " --disable-decoder=NAME disables decoder NAME"
153 echo " --enable-decoder=NAME enables decoder NAME"
154 echo " --disable-encoders disables all encoders"
155 echo " --disable-decoders disables all decoders"
ff70e601
MR
156 echo " --disable-muxer=NAME disables muxer NAME"
157 echo " --enable-muxer=NAME enables muxer NAME"
74c53c2d 158 echo " --disable-muxers disables all muxers"
ff70e601
MR
159 echo " --disable-demuxer=NAME disables demuxer NAME"
160 echo " --enable-demuxer=NAME enables demuxer NAME"
74c53c2d 161 echo " --disable-demuxers disables all demuxers"
af9e7d18
MR
162 echo " --enable-parser=NAME enables parser NAME"
163 echo " --disable-parser=NAME disables parser NAME"
164 echo " --disable-parsers disables all parsers"
cd61e407
JM
165 echo " --enable-bsf=NAME enables bitstream filter NAME"
166 echo " --disable-bsf=NAME disables bitstream filter NAME"
167 echo " --disable-bsfs disables all bitstream filters"
c08fb000
AB
168 echo " --enable-protocol=NAME enables protocol NAME"
169 echo " --disable-protocol=NAME disables protocol NAME"
170 echo " --disable-protocols disables all protocols"
10d46dd0 171 echo " --disable-devices disables all devices"
1865259f
SS
172 echo " --enable-filter=NAME enables filter NAME"
173 echo " --disable-filter=NAME disables filter NAME"
174 echo " --disable-filters disables all filters"
794f8e97
PI
175 echo " --list-decoders show all available decoders"
176 echo " --list-encoders show all available encoders"
177 echo " --list-muxers show all available muxers"
178 echo " --list-demuxers show all available demuxers"
179 echo " --list-parsers show all available parsers"
180 echo " --list-protocols show all available protocols"
181 echo " --list-bsfs show all available bitstream filters"
c552605c
DB
182 echo " --list-indevs show all available input devices"
183 echo " --list-outdevs show all available output devices"
1865259f 184 echo " --list-filters show all available filters"
0a622b98
MR
185 echo
186 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 187 echo " --disable-debug disable debugging symbols"
b7d49373 188 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 189 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 190 echo " --disable-optimizations disable compiler optimizations"
0a622b98 191 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 192 echo " --disable-stripping disable stripping of executables and shared libraries"
74c53c2d
MR
193 echo ""
194 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 195 exit 0
74c53c2d 196}
cf9d24ad 197
57bd82d4 198log(){
2270b4b2 199 echo "$@" >> $logfile
57bd82d4
MR
200}
201
720c69da 202log_file(){
c8e9f801 203 log BEGIN $1
2270b4b2 204 pr -n -t $1 >> $logfile
c8e9f801
MR
205 log END $1
206}
207
2ba042a7 208echolog(){
c8e9f801 209 log "$@"
57bd82d4 210 echo "$@"
2ba042a7
MR
211}
212
213die(){
214 echolog "$@"
215 cat <<EOF
216If you think configure made a mistake, make sure you are using the latest
217version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 218ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 219EOF
e155a21a 220 if disabled logging; then
2ba042a7 221 cat <<EOF
e155a21a
DB
222Rerun configure with logging enabled (do not use --disable-logging), and
223include the log this produces with your report.
2ba042a7
MR
224EOF
225 else
226cat <<EOF
e155a21a
DB
227Include the log file "$logfile" produced by configure as this will help
228solving the problem.
2ba042a7
MR
229EOF
230 fi
cea0ac52 231 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
57bd82d4
MR
232 exit 1
233}
234
6c6007d6 235# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 236toupper(){
6c6007d6 237 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
238}
239
4a5444db 240tolower(){
6c6007d6 241 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
242}
243
a8d04fba
MR
244set_all(){
245 value=$1
246 shift
247 for var in $*; do
248 eval $var=$value
249 done
250}
251
799c9e9b
MR
252pushvar(){
253 for var in $*; do
254 eval level=\${${var}_level:=0}
255 eval ${var}_${level}="\$$var"
256 eval ${var}_level=$(($level+1))
257 done
258}
259
260popvar(){
261 for var in $*; do
262 eval level=\${${var}_level:-0}
263 test $level = 0 && continue
264 eval level=$(($level-1))
265 eval $var="\${${var}_${level}}"
266 eval ${var}_level=$level
267 eval unset ${var}_${level}
268 done
269}
270
a8d04fba
MR
271enable(){
272 set_all yes $*
273}
274
275disable(){
276 set_all no $*
277}
278
57bd82d4 279enabled(){
3250003c
MR
280 test "${1#!}" = "$1" && op== || op=!=
281 eval test "x\$${1#!}" $op "xyes"
44161118
MR
282}
283
37970ebf 284disabled(){
3250003c
MR
285 test "${1#!}" = "$1" && op== || op=!=
286 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
287}
288
44161118
MR
289enabled_all(){
290 for opt; do
291 enabled $opt || return 1
292 done
293}
294
85bca2c5
DB
295disabled_all(){
296 for opt; do
297 disabled $opt || return 1
298 done
299}
300
44161118
MR
301enabled_any(){
302 for opt; do
303 enabled $opt && return 0
304 done
305}
306
85bca2c5
DB
307disabled_any(){
308 for opt; do
309 disabled $opt && return 0
310 done
311}
312
c9d19248
MR
313set_default(){
314 for opt; do
315 eval test -z "\$$opt" && eval $opt=\$${opt}_default
316 done
317}
318
4a0d6686
AJ
319is_in(){
320 value=$1
321 shift
322 for var in $*; do
323 [ $var = $value ] && return 0
324 done
325 return 1
326}
327
30fd06be
MR
328check_deps(){
329 for cfg; do
3250003c 330 cfg="${cfg#!}"
799c9e9b
MR
331 enabled ${cfg}_checking && die "Circular dependency for $cfg."
332 disabled ${cfg}_checking && continue
333 enable ${cfg}_checking
334
30fd06be
MR
335 eval dep_all="\$${cfg}_deps"
336 eval dep_any="\$${cfg}_deps_any"
799c9e9b
MR
337
338 pushvar cfg dep_all dep_any
339 check_deps $dep_all $dep_any
340 popvar cfg dep_all dep_any
341
30fd06be
MR
342 enabled_all $dep_all || disable $cfg
343 enabled_any $dep_any || disable $cfg
799c9e9b 344
4ec45764
RP
345 if enabled $cfg; then
346 eval dep_extralibs="\$${cfg}_extralibs"
347 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
348 fi
349
799c9e9b 350 disable ${cfg}_checking
30fd06be
MR
351 done
352}
353
44161118
MR
354print_config(){
355 pfx=$1
356 header=$2
357 makefile=$3
358 shift 3
359 for cfg; do
3d907e22 360 ucname="`toupper $cfg`"
44161118 361 if enabled $cfg; then
3d907e22
MR
362 echo "#define ${pfx}${ucname} 1" >> $header
363 echo "#define ENABLE_${ucname} 1" >> $header
364 echo "${pfx}${ucname}=yes" >> $makefile
365 else
366 echo "#define ENABLE_${ucname} 0" >> $header
44161118
MR
367 fi
368 done
57bd82d4
MR
369}
370
371flags_saved(){
2270b4b2 372 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
373}
374
dcd479c0 375save_flags(){
57bd82d4 376 flags_saved && return
dcd479c0
MR
377 SAVE_CFLAGS="$CFLAGS"
378 SAVE_LDFLAGS="$LDFLAGS"
379 SAVE_extralibs="$extralibs"
380}
381
382restore_flags(){
f5d28d10 383 flags_saved || return
dcd479c0
MR
384 CFLAGS="$SAVE_CFLAGS"
385 LDFLAGS="$SAVE_LDFLAGS"
386 extralibs="$SAVE_extralibs"
387 unset SAVE_CFLAGS
388 unset SAVE_LDFLAGS
389 unset SAVE_extralibs
390}
391
392temp_cflags(){
393 save_flags
394 CFLAGS="$CFLAGS $*"
395}
396
397temp_ldflags(){
398 save_flags
399 LDFLAGS="$LDFLAGS $*"
400}
401
402temp_extralibs(){
403 save_flags
404 extralibs="$extralibs $*"
405}
406
57bd82d4
MR
407append(){
408 var=$1
409 shift
410 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
411 eval "$var=\"\$$var $*\""
412}
413
414add_cflags(){
415 append CFLAGS "$@"
416}
417
418add_ldflags(){
419 append LDFLAGS "$@"
420}
421
422add_extralibs(){
423 append extralibs "$@"
424}
425
b0cfb663 426check_cmd(){
b3cb5d51 427 log "$@"
2270b4b2 428 "$@" >> $logfile 2>&1
b0cfb663
MR
429}
430
dcd479c0 431check_cc(){
57bd82d4 432 log check_cc "$@"
2270b4b2 433 cat > $TMPC
720c69da 434 log_file $TMPC
b0cfb663 435 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
436}
437
438check_cpp(){
439 log check_cpp "$@"
2270b4b2 440 cat > $TMPC
720c69da 441 log_file $TMPC
b0cfb663 442 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
443}
444
940f335a
MR
445check_asm(){
446 log check_asm "$@"
447 name="$1"
448 asm="$2"
449 shift 2
450 check_cc "$@" <<EOF && enable $name || disable $name
be449fca 451int foo(void){ __asm__ volatile($asm); }
940f335a
MR
452EOF
453}
454
304d586d
LM
455check_yasm(){
456 log check_yasm "$@"
457 echo "$1" > $TMPS
458 log_file $TMPS
459 shift 1
460 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
461}
462
dcd479c0 463check_ld(){
57bd82d4 464 log check_ld "$@"
0607887f 465 check_cc || return
3155a644
MR
466 flags=''
467 libs=''
468 for f; do
469 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
470 done
471 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
472}
473
474check_cflags(){
57bd82d4
MR
475 log check_cflags "$@"
476 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
477int x;
478EOF
479}
480
481check_ldflags(){
57bd82d4
MR
482 log check_ldflags "$@"
483 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 484int main(void){ return 0; }
dcd479c0
MR
485EOF
486}
487
488check_header(){
57bd82d4 489 log check_header "$@"
dcd479c0
MR
490 header=$1
491 shift
d8bc5f06
MR
492 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
493 disable $var
494 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
495#include <$header>
496int x;
497EOF
498}
499
500check_func(){
57bd82d4 501 log check_func "$@"
dcd479c0
MR
502 func=$1
503 shift
d8bc5f06
MR
504 disable $func
505 check_ld "$@" <<EOF && enable $func
dcd479c0 506extern int $func();
c23a0ac8 507int main(void){ $func(); }
dcd479c0
MR
508EOF
509}
510
2446d3d6
DB
511check_func_headers(){
512 log check_func_headers "$@"
f8d7b072
MR
513 headers=$1
514 func=$2
515 shift 2
516 disable $func
517 incs=""
518 for hdr in $headers; do
519 incs="$incs
520#include <$hdr>"
521 done
522 check_ld "$@" <<EOF && enable $func
523$incs
d6773f56 524int main(int argc, char **argv){
f8d7b072
MR
525 (void) $func;
526 return 0;
527}
528EOF
529}
530
a5344cf7
SS
531check_cpp_condition(){
532 log check_cpp_condition "$@"
533 header=$1
534 condition=$2
535 check_cpp <<EOF
536#include <$header>
537#if !($condition)
538#error "unsatisfied condition: $condition"
539#endif
540EOF
541}
542
57bd82d4
MR
543check_lib(){
544 log check_lib "$@"
545 header="$1"
546 func="$2"
547 shift 2
fcfcde17
MR
548 temp_extralibs "$@"
549 check_header $header && check_func $func && add_extralibs "$@"
550 err=$?
551 restore_flags
552 return $err
57bd82d4
MR
553}
554
f8d7b072
MR
555check_lib2(){
556 log check_lib2 "$@"
557 headers="$1"
558 func="$2"
559 shift 2
560 temp_extralibs "$@"
2446d3d6 561 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
562 err=$?
563 restore_flags
564 return $err
565}
566
dcd479c0 567check_exec(){
2270b4b2 568 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
569}
570
7dfef245
MR
571check_exec_crash(){
572 code=`cat`
573
574 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
575 # are safe but may not be available everywhere. Thus we use
576 # raise(SIGTERM) instead. The check is run in a subshell so we
577 # can redirect the "Terminated" message from the shell. SIGBUS
578 # is not defined by standard C so it is used conditionally.
579
2270b4b2 580 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
581#include <signal.h>
582static void sighandler(int sig){
583 raise(SIGTERM);
584}
e5af4a11 585int main(void){
7dfef245
MR
586 signal(SIGILL, sighandler);
587 signal(SIGFPE, sighandler);
588 signal(SIGSEGV, sighandler);
589#ifdef SIGBUS
590 signal(SIGBUS, sighandler);
591#endif
592 { $code }
593}
594EOF
595}
596
72be9e73
DY
597check_type(){
598 log check_type "$@"
599 headers=$1
600 type=$2
601 shift 2
602 disable $type
603 incs=""
604 for hdr in $headers; do
605 incs="$incs
606#include <$hdr>"
607 done
608 check_cc "$@" <<EOF && enable $type
609$incs
610$type v;
611EOF
612}
613
57bd82d4
MR
614require(){
615 name="$1"
616 header="$2"
617 func="$3"
618 shift 3
619 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
620}
621
f8d7b072
MR
622require2(){
623 name="$1"
624 headers="$2"
625 func="$3"
626 shift 3
627 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
628}
629
a5344cf7
SS
630require_cpp_condition(){
631 name="$1"
632 header="$2"
633 cpp_condition="$3"
634 shift 3
635 check_cpp_condition $header "$cpp_condition" || die "ERROR: $name does not satisfy CPP condition: $cpp_condition"
636}
637
eea50282
MR
638check_foo_config(){
639 cfg=$1
640 pkg=$2
641 header=$3
642 func=$4
643 shift 4
644 disable $cfg
645 check_cmd ${pkg}-config --version
646 err=$?
647 if test "$err" = 0; then
648 temp_cflags `${pkg}-config --cflags`
649 temp_extralibs `${pkg}-config --libs`
650 check_lib "$@" $header $func && enable $cfg
651 fi
652 return $err
653}
654
c505dd31
MR
655apply(){
656 file=$1
657 shift
658 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
659}
660
dcd61286
DB
661# CONFIG_LIST contains configurable options, while HAVE_LIST is for
662# system-dependent things.
663
4a0d6686
AJ
664COMPONENT_LIST="
665 bsfs
666 decoders
667 demuxers
668 encoders
3cde40aa 669 filters
c552605c 670 indevs
4a0d6686 671 muxers
c552605c 672 outdevs
4a0d6686
AJ
673 parsers
674 protocols
675"
676
677CONFIG_LIST="
678 $COMPONENT_LIST
f7679c54
VS
679 avfilter
680 avfilter_lavf
c88f5d72
MR
681 avisynth
682 beos_netserver
f402916e 683 bzlib
c88f5d72
MR
684 ffmpeg
685 ffplay
686 ffserver
687 gpl
ecfc4f44 688 gprof
d8d0d0b2 689 gray
3abe5fbd 690 hardcoded_tables
c88f5d72 691 ipv6
f5a756ef
DB
692 libamr_nb
693 libamr_wb
f7b8bffe 694 libdc1394
690bfceb 695 libdirac
2eed5a46
DB
696 libfaac
697 libfaad
698 libfaadbin
c88f5d72 699 libgsm
6ebe07fb 700 libmp3lame
c88f5d72 701 libnut
f7cd9eed 702 libschroedinger
150d2772 703 libtheora
c88f5d72 704 libvorbis
1cc60c47
DB
705 libx264
706 libxvid
c88f5d72 707 memalign_hack
a8150374 708 mlib
c88f5d72
MR
709 mpegaudio_hp
710 network
3fe142e2 711 nonfree
4a24ab64 712 postproc
2b4c3615 713 powerpc_perf
bd2216e4 714 small
13ca50f3 715 swscale
c88f5d72 716 vhook
56a059ac 717 x11grab
c88f5d72 718 zlib
4a0d6686 719"
c88f5d72 720
8eee7025
DB
721THREADS_LIST='
722 beosthreads
d22e8442 723 os2threads
8eee7025
DB
724 pthreads
725 w32threads
726'
727
3f5b56e5
MR
728ARCH_LIST='
729 alpha
730 armv4l
731 bfin
732 ia64
733 m68k
734 mips
735 parisc
736 powerpc
737 s390
738 sh4
739 sparc
740 sparc64
741 x86
742 x86_32
743 x86_64
744'
745
746ARCH_EXT_LIST='
1ac9331a 747 altivec
1ac9331a 748 armv5te
edab3048 749 armv6
f55b299a 750 armvfp
3f5b56e5
MR
751 iwmmxt
752 mmi
753 mmx
d7f0920b 754 mmx2
6b18d278 755 neon
9eeed841 756 ssse3
bd9d34a0 757 vis
3f5b56e5
MR
758'
759
760HAVE_LIST="
761 $ARCH_EXT_LIST
762 $THREADS_LIST
763 altivec_h
c9fdab0d 764 arpa_inet_h
6bd859d6 765 bswap
ecf97f22 766 closesocket
1ac9331a 767 cmov
e16e49ac 768 conio_h
c88f5d72 769 dcbzl
f8aa696f
DB
770 dev_bktr_ioctl_bt848_h
771 dev_bktr_ioctl_meteor_h
772 dev_ic_bt8xx_h
773 dev_video_meteor_ioctl_meteor_h
774 dev_video_bktr_ioctl_bt848_h
18b67ae5 775 dlfcn_h
c88f5d72 776 dlopen
bc574408 777 dos_paths
245626d0
DB
778 ebp_available
779 ebx_available
c2a29455 780 fast_64bit
7073e9fc 781 fast_cmov
7b829d2a 782 fast_unaligned
9d99cc5a 783 fork
c88f5d72 784 freetype2
da9e86f8 785 gethrtime
4e68cb8a 786 GetProcessTimes
66be5b45 787 getrusage
c88f5d72 788 imlib2
2e1913b1 789 inet_aton
61d251db 790 inline_asm
0b4a1821
AS
791 libdc1394_1
792 libdc1394_2
a33cab3a
MK
793 llrint
794 lrint
c88f5d72 795 lrintf
f8aa696f
DB
796 machine_ioctl_bt848_h
797 machine_ioctl_meteor_h
c88f5d72
MR
798 malloc_h
799 memalign
6ffa87d3 800 mkstemp
b4e806b2 801 pld
9cafbd6c 802 ppc64
a33cab3a
MK
803 round
804 roundf
c88f5d72
MR
805 sdl
806 sdl_video_size
72be9e73 807 socklen_t
deb29777 808 soundcard_h
f8cda19e 809 poll_h
b58412f1 810 sys_mman_h
b091aa44 811 sys_resource_h
81644c2e 812 sys_select_h
deb29777 813 sys_soundcard_h
1b6e8b73 814 sys_videoio_h
e16e49ac 815 termios_h
b265431e 816 threads
6ff3f3e7 817 winsock2_h
304d586d 818 yasm
0cb78cef 819"
44161118 820
520cc7f1 821CMDLINE_SELECT="
3f5b56e5 822 $ARCH_EXT_LIST
520cc7f1 823 $CONFIG_LIST
8eee7025 824 $THREADS_LIST
db6107b6 825 cross_compile
520cc7f1
MR
826 debug
827 extra_warnings
8c6afa4d 828 logging
d2bbb2f7 829 optimizations
520cc7f1
MR
830 shared
831 static
87a0fb62 832 stripping
520cc7f1 833"
426be5dc
DB
834
835PATHS_LIST='
d156bede 836 bindir
26759c44
MR
837 incdir
838 libdir
26759c44
MR
839 mandir
840 prefix
841 shlibdir
426be5dc
DB
842'
843
844CMDLINE_SET="
845 $PATHS_LIST
846 arch
847 build_suffix
848 cc
849 cpu
850 cross_prefix
ac63af34 851 extra_version
426be5dc 852 logfile
26759c44
MR
853 source_path
854 target_os
426be5dc 855"
520cc7f1 856
912f3148
DB
857# code dependency declarations
858
9eeed841
MR
859# architecture extensions
860altivec_deps="powerpc"
861armv5te_deps="armv4l"
862armv6_deps="armv4l"
f55b299a 863armvfp_deps="armv4l"
9eeed841 864iwmmxt_deps="armv4l"
e241ba14 865mmi_deps="mips"
9eeed841 866mmx_deps="x86"
fbef871d 867mmx2_deps="x86 mmx"
6b18d278 868neon_deps="armv4l"
9eeed841 869ssse3_deps="x86"
bd9d34a0 870vis_deps="sparc"
9eeed841 871
912f3148 872# decoders / encoders
d8d12c15 873ac3_decoder_deps="gpl"
33a0dd37 874dxa_decoder_deps="zlib"
406ab5cc 875eac3_decoder_deps="gpl"
30fd06be 876flashsv_decoder_deps="zlib"
773be23a 877flashsv_encoder_deps="zlib"
b517af05 878mlp_decoder_deps="mlp_parser"
30fd06be
MR
879mpeg_xvmc_decoder_deps="xvmc"
880png_decoder_deps="zlib"
881png_encoder_deps="zlib"
30fd06be
MR
882zmbv_decoder_deps="zlib"
883zmbv_encoder_deps="zlib"
884
912f3148 885# external libraries
f5a756ef
DB
886libamr_nb_decoder_deps="libamr_nb"
887libamr_nb_encoder_deps="libamr_nb"
888libamr_wb_decoder_deps="libamr_wb"
889libamr_wb_encoder_deps="libamr_wb"
1b71f045 890libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 891libdirac_encoder_deps="libdirac"
c9171a83 892libfaac_encoder_deps="libfaac"
69ddbd1d 893libfaad_decoder_deps="libfaad"
4ec45764 894libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
895libgsm_decoder_deps="libgsm"
896libgsm_encoder_deps="libgsm"
8ffed8d8
MR
897libgsm_ms_decoder_deps="libgsm"
898libgsm_ms_encoder_deps="libgsm"
1cc60c47 899libmp3lame_encoder_deps="libmp3lame"
f7cd9eed
AS
900libschroedinger_decoder_deps="libschroedinger"
901libschroedinger_encoder_deps="libschroedinger"
150d2772 902libtheora_encoder_deps="libtheora"
b0caf888 903libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
904libx264_encoder_deps="libx264"
905libxvid_encoder_deps="libxvid"
13566c31 906mpeg4aac_decoder_deps="libfaad"
30fd06be 907
912f3148 908# demuxers / muxers
03a76ba9 909ac3_demuxer_deps="ac3_parser"
50383e88 910audio_beos_demuxer_deps="audio_beos"
4ec45764 911audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 912audio_beos_muxer_deps="audio_beos"
4ec45764 913audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 914avisynth_demuxer_deps="avisynth"
73483024 915bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 916dirac_demuxer_deps="dirac_parser"
fe9bb347 917dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 918libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
919libnut_demuxer_deps="libnut"
920libnut_muxer_deps="libnut"
4bd8e17c 921mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
922oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
923oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 924redir_demuxer_deps="network"
8eb793c4 925rtp_muxer_deps="network rtp_protocol"
95c21842
LA
926rtsp_demuxer_deps="sdp_demuxer"
927sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 928v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 929v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
930vfwcap_demuxer_deps="capCreateCaptureWindow"
931vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 932x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 933x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 934
912f3148 935# protocols
c08fb000
AB
936http_protocol_deps="network"
937rtp_protocol_deps="udp_protocol"
938tcp_protocol_deps="network"
939udp_protocol_deps="network"
940
f7679c54 941# filters
81124ba0 942movie_filter_deps="avfilter_lavf"
f7679c54 943
912f3148 944# programs
fa859b4d 945ffplay_deps="sdl"
6ad42348 946ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
947ffserver_extralibs='$ldl'
948vhook_extralibs='$ldl'
a2830dca 949
912f3148 950
de6d9b64 951# default parameters
8a608357 952
2ba042a7 953logfile="config.err"
8a608357
MR
954
955# installation paths
c9d19248
MR
956prefix_default="/usr/local"
957bindir_default='${prefix}/bin'
958incdir_default='${prefix}/include'
959libdir_default='${prefix}/lib'
960mandir_default='${prefix}/share/man'
961shlibdir_default="$libdir_default"
8a608357
MR
962
963# toolchain
de6d9b64 964cc="gcc"
304d586d 965yasmexe="yasm"
de6d9b64 966ar="ar"
503d5b58 967nm="nm"
be7109c1 968ranlib="ranlib"
0f3cb305 969strip="strip"
8a608357 970asmalign_pot="unknown"
20369773 971ln_s="ln -sf"
304d586d 972objformat="elf"
8a608357
MR
973
974# machine
cc6a90dd 975arch=`uname -m`
38d0a8aa 976cpu="generic"
8a608357 977
8a608357 978# OS
4f854758 979target_os=$(tolower $(uname -s))
8a608357 980
8a608357 981# libraries
f402916e 982enable bzlib
497237c7 983enable zlib
8a608357
MR
984
985# configurable options
497237c7 986enable debug
497237c7
RP
987enable ffmpeg
988enable ffplay
989enable ffserver
990enable ipv6
497237c7
RP
991enable mpegaudio_hp
992enable network
8400d6b8 993enable optimizations
497237c7 994enable protocols
530dc538 995enable static
87a0fb62 996enable stripping
8a608357
MR
997vhook="default"
998
8a608357 999# build settings
11a9d3e8 1000add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1001SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 1002VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 1003FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1004LIBPREF="lib"
1005LIBSUF=".a"
c5f14466
RP
1006FULLNAME='$(NAME)$(BUILDSUF)'
1007LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1008SLIBPREF="lib"
1009SLIBSUF=".so"
c5f14466 1010SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1011SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1012SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1013LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1014
0d7dca36
DB
1015# gcc stupidly only outputs the basename of targets with -MM, but we need the
1016# full relative path for objects in subdirectories for non-recursive Make.
53bd9d92 1017DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
315c741d 1018
c597172e
MR
1019# find source path
1020source_path="`dirname \"$0\"`"
497237c7 1021enable source_path_used
c597172e
MR
1022if test -z "$source_path" -o "$source_path" = "." ; then
1023 source_path="`pwd`"
497237c7 1024 disable source_path_used
c597172e
MR
1025else
1026 source_path="`cd \"$source_path\"; pwd`"
1027 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1028 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1029fi
1030
c597172e
MR
1031FFMPEG_CONFIGURATION="$@"
1032
73ef8980
MR
1033find_things(){
1034 thing=$1
1035 pattern=$2
1036 file=$source_path/$3
932ccf39 1037 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1038}
1039
1040ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1041DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1042PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1043BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1044MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1045DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1046OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1047INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1048PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1049FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1050
7483e694
DB
1051enable $ARCH_EXT_LIST \
1052 $DECODER_LIST \
1053 $ENCODER_LIST \
1054 $PARSER_LIST \
1055 $BSF_LIST \
1056 $DEMUXER_LIST \
1057 $MUXER_LIST \
f7679c54 1058 $FILTER_LIST \
7483e694
DB
1059 $PROTOCOL_LIST \
1060 $INDEV_LIST \
1061 $OUTDEV_LIST \
c597172e
MR
1062
1063die_unknown(){
1064 echo "Unknown option \"$1\"."
1065 echo "See $0 --help for available options."
1066 exit 1
1067}
1068
794f8e97 1069show_list() {
bf0c4afa
RP
1070 suffix=_$1
1071 shift
1072 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1073 exit 0
1074}
1075
c597172e 1076for opt do
7483e694
DB
1077 optval="${opt#*=}"
1078 case "$opt" in
7483e694
DB
1079 --extra-cflags=*) add_cflags "$optval"
1080 ;;
1081 --extra-ldflags=*) add_ldflags "$optval"
1082 ;;
1083 --extra-libs=*) add_extralibs "$optval"
1084 ;;
8fb1cb58 1085 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1086 ;;
40bcf4c7
BL
1087 --enable-debug=*) debuglevel="$optval"
1088 ;;
7483e694
DB
1089 --enable-*=*|--disable-*=*)
1090 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1091 case "$thing" in
81124ba0 1092 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1093 *) die_unknown "$opt" ;;
1094 esac
1095 ;;
1096 --enable-?*|--disable-?*)
1097 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1098 if is_in $option $COMPONENT_LIST; then
1099 eval $action \$$(toupper ${option%s})_LIST
1100 elif is_in $option $CMDLINE_SELECT; then
1101 $action $option
1102 else
1103 die_unknown $opt
1104 fi
7483e694
DB
1105 ;;
1106 --list-*)
1107 NAME="${opt#--list-}"
1108 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1109 NAME=${NAME%s}
1110 eval show_list $NAME \$$(toupper $NAME)_LIST
1111 ;;
1112 --help|-h) show_help
1113 ;;
1114 *)
26759c44
MR
1115 optname="${opt%=*}"
1116 optname="${optname#--}"
1117 optname=$(echo "$optname" | sed 's/-/_/g')
1118 is_in $optname $CMDLINE_SET || die_unknown $opt
1119 eval $optname='$optval'
7483e694
DB
1120 ;;
1121 esac
c597172e
MR
1122done
1123
bcea99bb
MR
1124disabled logging && logfile=/dev/null
1125
1126echo "# $0 $@" > $logfile
1127set >> $logfile
1128
adb2b908 1129cc="${cross_prefix}${cc}"
304d586d 1130yasmexe="${cross_prefix}${yasmexe}"
adb2b908
RP
1131ar="${cross_prefix}${ar}"
1132nm="${cross_prefix}${nm}"
1133ranlib="${cross_prefix}${ranlib}"
1134strip="${cross_prefix}${strip}"
1135
e4e69e0b
MR
1136# set temporary file name
1137if test ! -z "$TMPDIR" ; then
1138 TMPDIR1="${TMPDIR}"
1139elif test ! -z "$TEMPDIR" ; then
1140 TMPDIR1="${TEMPDIR}"
1141else
1142 TMPDIR1="/tmp"
1143fi
1144
1145TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1146TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1147TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1148TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1149TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1150TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1151
e9b9a2f8
MN
1152check_cflags -fasm
1153check_cflags -std=c99
1154
b24dbcbd
RP
1155case "$arch" in
1156 i386|i486|i586|i686|i86pc|BePC)
1157 arch="x86_32"
1158 enable fast_unaligned
1159 ;;
1160 x86_64|amd64)
1161 arch="x86_32"
1162 enable fast_unaligned
1163 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1164 int test[sizeof(char*) - 7];
1165EOF
1166 ;;
1167 # armv4l is a subset of armv[567]*l
1168 arm|armv[4567]*l)
1169 arch="armv4l"
1170 ;;
1171 alpha)
1172 arch="alpha"
1173 enable fast_64bit
1174 ;;
1175 "Power Macintosh"|ppc|powerpc)
1176 arch="powerpc"
aa8bc0f1 1177 enable fast_unaligned
b24dbcbd
RP
1178 ;;
1179 ppc64)
1180 arch="powerpc"
1181 enable fast_64bit
aa8bc0f1 1182 enable fast_unaligned
b24dbcbd
RP
1183 ;;
1184 mips|mipsel|IP*)
1185 arch="mips"
1186 ;;
1187 sun4u|sparc64)
1188 arch="sparc64"
1189 enable fast_64bit
1190 ;;
1191 sparc)
1192 arch="sparc"
1193 ;;
1194 sh4)
1195 arch="sh4"
1196 ;;
1197 parisc)
1198 arch="parisc"
1199 ;;
1200 parisc64)
1201 arch="parisc"
1202 enable fast_64bit
1203 ;;
1204 s390|s390x)
1205 arch="s390"
1206 ;;
1207 m68k)
1208 arch="m68k"
1209 ;;
1210 ia64)
1211 arch="ia64"
1212 enable fast_64bit
1213 ;;
1214 bfin)
1215 arch="bfin"
1216 ;;
1217 *)
1218 arch="unknown"
1219 ;;
1220esac
1221
1222enable $arch
1223enabled_any x86_32 x86_64 && enable x86
1224enabled sparc64 && enable sparc
1225
7483e694 1226# OS specific
4f854758 1227case $target_os in
7483e694 1228 beos|haiku|zeta)
c9d19248 1229 prefix_default="$HOME/config"
7483e694
DB
1230 # helps building libavcodec
1231 add_cflags "-DPIC -fomit-frame-pointer"
1232 # 3 gcc releases known for BeOS, each with ugly bugs
1233 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1234 case "$gcc_version" in
1235 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1236 disable mmx
1237 ;;
1238 *20010315*) echo "BeBits gcc"
1239 add_cflags "-fno-expensive-optimizations"
1240 ;;
1241 esac
7483e694
DB
1242 SHFLAGS=-nostart
1243 # enable BeOS things
1244 enable audio_beos
1245 # no need for libm, but the inet stuff
1246 # Check for BONE
1247 # XXX: actually should check for NOT net_server
78fe7631 1248 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1249 network_extralibs="-lbind -lsocket"
1250 else
1251 enable beos_netserver
1252 network_extralibs="-lnet"
1253 fi ;;
1254 sunos)
1255 FFSERVERLDFLAGS=""
9987769a 1256 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694
DB
1257 network_extralibs="-lsocket -lnsl"
1258 ;;
1259 netbsd)
1260 oss_demuxer_extralibs="-lossaudio"
1261 oss_muxer_extralibs="-lossaudio"
1262 ;;
1263 openbsd)
1264 disable need_memalign
1265 LIBOBJFLAGS='$(PIC)'
7483e694
DB
1266 SHFLAGS='-shared'
1267 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1268 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1269 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1270 oss_demuxer_extralibs="-lossaudio"
1271 oss_muxer_extralibs="-lossaudio"
1272 ;;
1273 freebsd)
1274 disable need_memalign
1275 ;;
1276 bsd/os)
1277 osextralibs="-lpoll -lgnugetopt"
1278 strip="strip -d"
1279 ;;
1280 darwin)
1281 disable need_memalign
0138c54e 1282 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1283 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1284 strip="strip -x"
1285 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1286 SLIBSUF=".dylib"
1287 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1288 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1289 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1290 objformat="macho"
1b0f6fb8 1291 enabled x86_64 && objformat="macho64"
7483e694
DB
1292 ;;
1293 mingw32*)
4f854758 1294 target_os=mingw32
dcc01c06
RP
1295 LIBTARGET=i386
1296 if test $arch = x86_64; then
1297 disable need_memalign
1298 LIBTARGET=x64
1299 fi
fbd971a4 1300 shlibdir_default="$bindir_default"
7483e694
DB
1301 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1302 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1303 if enabled swscale; then
7483e694
DB
1304 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1305 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1306 fi
1307 disable ffserver
1308 SLIBPREF=""
1309 SLIBSUF=".dll"
1310 EXESUF=".exe"
1311 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1312 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1313 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1314 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1315 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1316 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1317 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1318 objformat="win32"
bc574408 1319 enable dos_paths
7483e694
DB
1320 ;;
1321 cygwin*)
4f854758 1322 target_os=cygwin
fbd971a4 1323 shlibdir_default="$bindir_default"
7483e694
DB
1324 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1325 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1326 if enabled swscale; then
7483e694
DB
1327 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1328 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1329 fi
1330 EXESUF=".exe"
1331 SLIBPREF="cyg"
1332 SLIBSUF=".dll"
1333 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1334 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1335 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1336 objformat="win32"
bc574408 1337 enable dos_paths
7483e694 1338 ;;
4f365f37 1339 *-dos|freedos|opendos)
4f365f37
MK
1340 disable ffplay ffserver vhook
1341 disable $INDEV_LIST $OUTDEV_LIST
1342 network_extralibs="-lsocket"
1343 EXESUF=".exe"
304d586d 1344 objformat="win32"
bc574408 1345 enable dos_paths
4f365f37 1346 ;;
7483e694 1347 linux)
7483e694
DB
1348 enable dv1394
1349 ;;
1350 irix*)
4f854758 1351 target_os=irix
7483e694
DB
1352 ranlib="echo ignoring ranlib"
1353 ;;
d22e8442 1354 os/2*)
d22e8442
DY
1355 strip="lxlite"
1356 ln_s="cp -f"
d22e8442
DY
1357 EXESUF=".exe"
1358 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1359 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1360 FFSERVERLDFLAGS=""
287d3b13 1361 LIBSUF="_s.a"
d22e8442
DY
1362 SLIBPREF=""
1363 SLIBSUF=".dll"
1364 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1365 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1366 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1367 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1368 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1369 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1370 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1371 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1372 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1373 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1374 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1375 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1376 disable vhook
bc574408 1377 enable dos_paths
d22e8442 1378 ;;
269820f1
PR
1379 interix)
1380 disable vhook
1381 ;;
d22e8442 1382
7483e694 1383 *)
4f854758 1384 target_os="${target_os}-UNKNOWN"
7483e694
DB
1385 ;;
1386esac
1387
c9d19248
MR
1388set_default $PATHS_LIST
1389
c597172e 1390add_extralibs $osextralibs
de6d9b64 1391
28d8e661
DB
1392# Combine FFLDFLAGS and the LDFLAGS environment variable.
1393LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1394
497237c7 1395test -n "$cross_prefix" && enable cross_compile
1ea46bed 1396
320d060a 1397# we need to build at least one lib type
93b3c083 1398if ! enabled_any static shared; then
320d060a
DB
1399 cat <<EOF
1400At least one library type must be built.
1401Specify --enable-static to build the static libraries or --enable-shared to
1402build the shared libraries as well. To only build the shared libraries specify
1403--disable-static in addition to --enable-shared.
1404EOF
1405 exit 1;
1406fi
1407
abc4e572 1408disabled static && LIBNAME=""
2a320695 1409
a2234ceb
RP
1410if enabled_any libfaad libfaadbin ; then
1411 if check_header faad.h; then
295b8c70 1412 check_cc <<EOF
a2234ceb
RP
1413#include <faad.h>
1414#ifndef FAAD2_VERSION
1415ok faad1
1416#endif
db817cf3 1417int main(void) { return 0; }
a2234ceb
RP
1418EOF
1419 test $? = 0 && enable libfaad2
1420 else
ff3dac65 1421 die "FAAD test failed."
a2234ceb
RP
1422 fi
1423fi
1424
1425
93b3c083 1426if ! enabled gpl; then
54118497
RP
1427 die_gpl_disabled(){
1428 name=$1
1429 shift
1430 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1431 }
4a24ab64 1432 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1433 die_gpl_disabled "libx264" libx264
1434 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1435 die_gpl_disabled "FAAD2" libfaad2
1436 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1437 die_gpl_disabled "The software scaler" swscale
ebb810d9 1438fi
b2e3c528 1439
3fe142e2
DB
1440if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1441 die "libamr is nonfree and --enable-nonfree is not specified."
1442fi
1443
9eeed841 1444check_deps $ARCH_EXT_LIST
0f3cb305 1445
5d323602
MR
1446test -z "$need_memalign" && need_memalign="$mmx"
1447
cf9d24ad 1448#Darwin CC versions
4f854758 1449if test $target_os = darwin; then
3dddba4b 1450 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4 1451 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
cf9d24ad 1452 else
8541cc27 1453 add_cflags "-pipe"
26c1b3be
DB
1454 check_cflags "-force_cpusubtype_ALL"
1455 check_cflags "-Wno-sign-compare"
f946a9a4 1456 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1457 fi
2a1a6b64
MN
1458fi
1459
40617a6d 1460disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1461
a4adb608 1462# Add processor-specific flags
38d0a8aa 1463if test $cpu != "generic"; then
bc8ec47b
MR
1464 warn_altivec(){
1465 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1466 }
38d0a8aa 1467 case $cpu in
bb270c08 1468 601|ppc601|PowerPC601)
1c5d830c 1469 add_cflags "-mcpu=601"
bc8ec47b 1470 warn_altivec enabled PPC601
bb270c08
DB
1471 ;;
1472 603*|ppc603*|PowerPC603*)
1c5d830c 1473 add_cflags "-mcpu=603"
bc8ec47b 1474 warn_altivec enabled PPC603
bb270c08
DB
1475 ;;
1476 604*|ppc604*|PowerPC604*)
1c5d830c 1477 add_cflags "-mcpu=604"
bc8ec47b 1478 warn_altivec enabled PPC604
bb270c08
DB
1479 ;;
1480 G3|g3|75*|ppc75*|PowerPC75*)
1c5d830c 1481 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
bc8ec47b 1482 warn_altivec enabled PPC75x
bb270c08
DB
1483 ;;
1484 G4|g4|745*|ppc745*|PowerPC745*)
1c5d830c 1485 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
bc8ec47b 1486 warn_altivec disabled PPC745x
bb270c08
DB
1487 ;;
1488 74*|ppc74*|PowerPC74*)
1c5d830c 1489 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
bc8ec47b 1490 warn_altivec disabled PPC74xx
bb270c08
DB
1491 ;;
1492 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1c5d830c 1493 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
bc8ec47b 1494 warn_altivec disabled PPC970
9cafbd6c 1495 enable ppc64
bb270c08 1496 ;;
e07e357d
LB
1497 Cell|CELL|cell)
1498 add_cflags "-mcpu=cell"
1499 warn_altivec disabled Cell
9cafbd6c 1500 enable ppc64
e07e357d 1501 ;;
e7768fc5
GP
1502 # targets that do NOT support conditional mov (cmov)
1503 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
38d0a8aa 1504 add_cflags "-march=$cpu"
497237c7 1505 disable cmov
e7768fc5
GP
1506 ;;
1507 # targets that do support conditional mov (cmov)
416519dd 1508 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
e7768fc5 1509 add_cflags "-march=$cpu"
497237c7
RP
1510 enable cmov
1511 enable fast_cmov
94e4c3a3
GP
1512 ;;
1513 # targets that do support conditional mov but on which it's slow
800a5a19 1514 pentium4|pentium4m|prescott|nocona)
94e4c3a3 1515 add_cflags "-march=$cpu"
497237c7
RP
1516 enable cmov
1517 disable fast_cmov
bb270c08 1518 ;;
d7b34d08 1519 sparc64)
1c5d830c 1520 add_cflags "-mcpu=v9"
d7b34d08 1521 ;;
f2e49553
MR
1522 arm11*|cortex*)
1523 add_cflags "-mcpu=$cpu"
1524 enable fast_unaligned
1525 ;;
1526 arm*)
6b19786b
MR
1527 add_cflags "-mcpu=$cpu"
1528 ;;
bb270c08 1529 *)
7483e694 1530 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1531 ;;
a4adb608
MN
1532 esac
1533fi
1534
be0d52ab 1535# make sure we can execute files in $TMPDIR
2270b4b2 1536cat > $TMPSH 2>> $logfile <<EOF
be0d52ab
MR
1537#! /bin/sh
1538EOF
2270b4b2
DB
1539chmod +x $TMPSH >> $logfile 2>&1
1540if ! $TMPSH >> $logfile 2>&1; then
be0d52ab
MR
1541 cat <<EOF
1542Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
68300911
DB
1543variable to another directory and make sure that $TMPDIR1 is not mounted
1544noexec.
be0d52ab
MR
1545EOF
1546 die "Sanity test failed."
1547fi
edd08265 1548rm $TMPSH
be0d52ab 1549
1a268acc
MR
1550# compiler sanity check
1551check_exec <<EOF
c23a0ac8 1552int main(void){ return 0; }
1a268acc
MR
1553EOF
1554if test "$?" != 0; then
1555 echo "$cc is unable to create an executable file."
93b3c083 1556 if test -z "$cross_prefix" && ! enabled cross_compile ; then
db6107b6 1557 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
c7ae6345 1558 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1559 fi
1560 die "C compiler test failed."
1561fi
1562
b4d96ba2
MR
1563check_cc <<EOF || die "Symbol mangling check failed."
1564int ff_extern;
1565EOF
2f05d9c1 1566sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1567extern_prefix=${sym%%ff_extern*}
1568
61d251db
MR
1569check_asm inline_asm '""'
1570
9eeed841 1571if enabled x86; then
44965991
PI
1572 # check whether EBP is available on x86
1573 # As 'i' is stored on the stack, this program will crash
1574 # if the base pointer is used to access it because the
1575 # base pointer is cleared in the inline assembly code.
7dfef245 1576 check_exec_crash <<EOF && enable ebp_available
44965991 1577 volatile int i=0;
be449fca 1578 __asm__ volatile (
44965991
PI
1579 "xorl %%ebp, %%ebp"
1580 ::: "%ebp");
1581 return i;
44965991
PI
1582EOF
1583
1584 # check wether EBX is available on x86
940f335a 1585 check_asm ebx_available '"":::"%ebx"'
8e380710 1586
d7f0920b 1587 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1588 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1589 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1590
1591 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d
LM
1592
1593 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1594 enabled x86_64 && append YASMFLAGS "-m amd64"
1595 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1596 case "$objformat" in
1597 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1598 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1599 *) append YASMFLAGS "-DPREFIX" ;;
1600 esac
1601 check_yasm "pabsw xmm0, xmm0" && enable yasm
44965991
PI
1602fi
1603
87ea51e0
LB
1604# check for assembler specific support
1605
cc6a90dd 1606if test $arch = "powerpc"; then
5eb39de9 1607 check_asm dcbzl '"dcbzl 0, 1"'
87ea51e0
LB
1608fi
1609
57bd82d4
MR
1610# check for SIMD availability
1611
115329f1 1612# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1613if enabled altivec; then
3ed1a2ee
DB
1614 check_cflags -maltivec -mabi=altivec &&
1615 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1616 check_cflags -faltivec
b6e52719 1617
0182fee8 1618 # check if our compiler supports Motorola AltiVec C API
497237c7 1619 check_cc <<EOF || disable altivec
dcd479c0 1620$inc_altivec_h
a9a07762
MN
1621int main(void) {
1622 vector signed int v1, v2, v3;
1623 v1 = vec_add(v2,v3);
1624 return 0;
1625}
1626EOF
b006b26c
DB
1627
1628 # check if our compiler supports braces for vector declarations
80a61f08 1629 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1630$inc_altivec_h
80a61f08 1631int main (void) { (vector int) {1}; return 0; }
b006b26c 1632EOF
a9a07762 1633fi
ab6c65f6 1634
b4e806b2
MC
1635# We have to check if pld is a nop and disable it.
1636enabled armv4l && check_asm pld '"pld [r0]"'
940f335a
MR
1637enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1638enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
f55b299a 1639enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1640enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1641enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1642enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1643enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1644
8b03def6
DB
1645enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1646
57bd82d4
MR
1647# ---
1648# big/little-endian test
9eebe687
MR
1649check_cc <<EOF || die "endian test failed"
1650unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1651EOF
d04d9e16 1652od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1653
a3999908 1654# ---
3d204385
NK
1655# check availability of some header files
1656
a98bb16d
RP
1657if check_func dlopen; then
1658 ldl=
1659elif check_func dlopen -ldl; then
1660 ldl=-ldl
8bf5d58f
MN
1661fi
1662
7483e694
DB
1663check_func fork
1664check_func gethrtime
1665check_func getrusage
094c09bb 1666check_func inet_aton $network_extralibs
7483e694
DB
1667check_func memalign
1668check_func mkstemp
2446d3d6 1669check_func_headers windows.h GetProcessTimes
6ffa87d3 1670
e16e49ac 1671check_header conio.h
a98bb16d
RP
1672check_header dlfcn.h
1673check_header malloc.h
bf6ce82d 1674check_header poll.h
b58412f1 1675check_header sys/mman.h
b091aa44 1676check_header sys/resource.h
bf6ce82d 1677check_header sys/select.h
a98bb16d
RP
1678check_header termios.h
1679
1680if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1681 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1682fi
e16e49ac 1683
e8214e0e 1684enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
f402916e 1685enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1686
1687# check for some common methods of building with pthread support
1688# do this before the optional library checks as some of them require pthreads
1689if enabled pthreads; then
9e7fd101
MR
1690 if check_func pthread_create; then
1691 :
1692 elif check_func pthread_create -pthread; then
1693 add_cflags -pthread
afc9aee2 1694 add_extralibs -pthread
9e7fd101
MR
1695 elif check_func pthread_create -pthreads; then
1696 add_cflags -pthreads
afc9aee2 1697 add_extralibs -pthreads
8d94f606
GT
1698 elif check_func pthread_create -lpthreadGC2; then
1699 add_extralibs -lpthreadGC2
9e7fd101
MR
1700 elif ! check_lib pthread.h pthread_create -lpthread; then
1701 die "ERROR: can't find pthreads library"
1702 fi
57bd82d4
MR
1703fi
1704
8eee7025 1705for thread in $THREADS_LIST; do
e5f94c2b 1706 if enabled $thread; then
3ae3b721
RP
1707 test -n "$thread_type" &&
1708 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1709 thread_type="$thread"
e5f94c2b
RP
1710 fi
1711done
1712
fdf88598
MR
1713check_lib math.h sin -lm
1714
a33cab3a
MK
1715# test for C99 functions in math.h
1716for func in llrint lrint lrintf round roundf; do
1717 check_exec <<EOF && enable $func || disable $func
f32adb22 1718#include <math.h>
a33cab3a 1719int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1720EOF
a33cab3a 1721done
f32adb22 1722
57bd82d4 1723# these are off by default, so fail if requested and not available
79fda097 1724enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1725enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1726enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
690bfceb
AS
1727enabled libdirac && add_cflags "$(pkg-config --cflags dirac)" \
1728 && require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1729 && require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1730enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1731enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694
DB
1732enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1733enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1734enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
f7cd9eed 1735enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
0eeb52f9 1736 && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
7483e694
DB
1737enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1738enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ca9acf97 1739enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm \
15fe16f4 1740 && require_cpp_condition x264 x264.h "X264_BUILD >= 65"
7483e694
DB
1741enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1742enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1743
0b4a1821
AS
1744# libdc1394 check
1745if enabled libdc1394; then
1746 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1747 enable libdc1394_2; } ||
1748 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1749 enable libdc1394_1; } ||
1750 die "ERROR: No version of libdc1394 found "
1751fi
1752
1753
c13e1abd
FH
1754_restrict=
1755for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1756 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1757void foo(char * $restrict_keyword p);
1758EOF
c13e1abd
FH
1759done
1760
703afd07 1761test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1762
4f854758 1763if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1764 disable vhook
fbb9d104 1765 echo
b0268cc0 1766 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1767 echo "Patches welcome."
1768 echo
1769fi
1770
8d923001
MR
1771if enabled vhook; then
1772 check_ldflags -rdynamic
1773 check_ldflags -export-dynamic
1774fi
bfd2edeb 1775
eea50282
MR
1776check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1777check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1778
a86b921c 1779##########################################
29799f8b 1780# SDL check
a86b921c 1781
497237c7
RP
1782disable sdl_too_old
1783disable sdl
6a1a892f 1784SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1785if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
1786 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1787 temp_cflags $sdl_cflags
dcd479c0 1788 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 1789 if check_lib2 SDL.h SDL_Init; then
dcd479c0 1790 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1791 if test "$_sdlversion" -lt 121 ; then
497237c7 1792 enable sdl_too_old
dcd479c0 1793 else
497237c7 1794 enable sdl
225e21ef 1795 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 1796#include <SDL.h>
d6773f56 1797int main(int argc, char **argv){
29f3b38a
MR
1798 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1799 int w = vi->current_w;
1800 return 0;
1801}
1802EOF
dcd479c0
MR
1803 fi
1804 fi
29f3b38a 1805 restore_flags
c3f6b472 1806fi
57bd82d4 1807
2270b4b2 1808texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 1809
7a91333f 1810##########################################
73b46a95
RP
1811# Network check
1812
1813if enabled network; then
668b65bd 1814 check_type sys/socket.h socklen_t
73b46a95
RP
1815 # Prefer arpa/inet.h over winsock2
1816 if check_header arpa/inet.h ; then
1817 check_func closesocket
1818 elif check_header winsock2.h ; then
ea10ddde 1819 network_extralibs="-lws2_32"
72be9e73 1820 check_type ws2tcpip.h socklen_t
2446d3d6 1821 check_func_headers winsock2.h closesocket
73b46a95
RP
1822 fi
1823fi
1824
1825##########################################
29799f8b 1826# IPv6 check
7a91333f 1827
497237c7 1828enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
1829#include <sys/types.h>
1830#include <sys/socket.h>
1831#include <netinet/in.h>
1832#include <netdb.h>
db817cf3 1833int main(void) {
7483e694
DB
1834 struct sockaddr_storage saddr;
1835 struct ipv6_mreq mreq6;
1836 getaddrinfo(0,0,0,0);
1837 getnameinfo(0,0,0,0,0,0,0);
1838 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
1839}
1840EOF
1841
06e31011
RP
1842check_header linux/videodev.h
1843check_header linux/videodev2.h
1b6e8b73 1844check_header sys/videoio.h
47f38850 1845
2446d3d6 1846check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 1847
f8aa696f 1848# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
1849{ check_header dev/bktr/ioctl_meteor.h &&
1850 check_header dev/bktr/ioctl_bt848.h; } ||
1851{ check_header machine/ioctl_meteor.h &&
1852 check_header machine/ioctl_bt848.h; } ||
1853{ check_header dev/video/meteor/ioctl_meteor.h &&
1854 check_header dev/video/bktr/ioctl_bt848.h; } ||
1855check_header dev/ic/bt8xx.h
f8aa696f 1856
c7682de0
RP
1857check_header sys/soundcard.h
1858check_header soundcard.h
deb29777 1859
7483e694 1860# deal with the X11 frame grabber
56a059ac 1861enabled x11grab &&
f58f4ce1
GP
1862check_header X11/Xlib.h &&
1863check_header X11/extensions/XShm.h &&
1864check_func XOpenDisplay -lX11 &&
06eab4ba 1865check_func XShmCreateImage -lX11 -lXext
f58f4ce1 1866
40bcf4c7 1867enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
1868
1869# add some useful compiler flags if supported
1870check_cflags -Wdeclaration-after-statement
dcd479c0
MR
1871check_cflags -Wall
1872check_cflags -Wno-switch
c07bd6a9
MN
1873check_cflags -Wdisabled-optimization
1874check_cflags -Wpointer-arith
1875check_cflags -Wredundant-decls
cc1fb623 1876check_cflags -Wno-pointer-sign
f4929996 1877check_cflags -Wcast-qual
9aceb3cf 1878check_cflags -Wwrite-strings
652a5bf6 1879check_cflags -Wtype-limits
5af4e0cc 1880enabled extra_warnings && check_cflags -Winline
cf9d24ad 1881
57bd82d4 1882# add some linker flags
5c0e9479 1883check_ldflags -Wl,--warn-common
8351d2ba
DB
1884check_ldflags -Wl,--as-needed
1885check_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 1886check_ldflags -Wl,-Bsymbolic
94a3401e 1887
bd2216e4
MR
1888if enabled small; then
1889 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
1890 optimizations="small"
1891elif enabled optimizations; then
3dddba4b 1892 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4
NP
1893 add_cflags "-O5"
1894 add_ldflags "-O5"
cf9d24ad 1895 else
30a3e5d4 1896 add_cflags "-O3"
cf9d24ad 1897 fi
cddf3f45 1898fi
11fdbc44 1899check_cflags -fno-math-errno
b2eb2ff0 1900check_cflags -fno-signed-zeros
cddf3f45 1901
504a64b9 1902# add some flags for Intel C Compiler
0c45cd07 1903if $cc --version 2> /dev/null | grep -q Intel; then
504a64b9
CEH
1904 # Just warnings, no remarks
1905 check_cflags -w1
1906 # -wd: Disable following warnings
1907 # 144, 167, 556: -Wno-pointer-sign
1908 # 10006: ignoring unknown option -fno-signed-zeros
1909 # 10156: ignoring option '-W'; no argument required
1910 check_cflags -wd144,167,556,10006,10156
1911 # 11030: Warning unknown option --as-needed
1912 # 10156: ignoring option '-export'; no argument required
1913 check_ldflags -wd10156,11030
907eb3b5
CEH
1914 # Allow to compile with optimizations
1915 check_ldflags -march=$cpu
504a64b9
CEH
1916fi
1917
80581e98 1918# PIC flags for shared library objects where they are needed
5af4e0cc 1919if enabled shared; then
569cb218
MR
1920 # LIBOBJFLAGS may have already been set in the OS configuration
1921 if test -z "$LIBOBJFLAGS" ; then
1922 case "$arch" in
b6bd7268 1923 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
1924 esac
1925 fi
80581e98
MN
1926fi
1927
90be59ef 1928if enabled gprof; then
30a3e5d4
NP
1929 add_cflags "-p"
1930 add_ldflags "-p"
1db54e20
DB
1931fi
1932
3b26ee47 1933VHOOKCFLAGS="-fPIC"
18451f7d 1934
7f3c02fc 1935# Find out if the .align argument is a power of two or not.
4454dc1b 1936if test $asmalign_pot = "unknown"; then
497237c7 1937 disable asmalign_pot
be449fca 1938 echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
4454dc1b
JD
1939fi
1940
7483e694
DB
1941enabled_any $DECODER_LIST && enable decoders
1942enabled_any $ENCODER_LIST && enable encoders
1943enabled_any $BSF_LIST && enable bsfs
1944enabled_any $DEMUXER_LIST && enable demuxers
1945enabled_any $MUXER_LIST && enable muxers
f7679c54 1946enabled_any $FILTER_LIST && enable filters
7483e694
DB
1947enabled_any $INDEV_LIST && enable demuxers
1948enabled_any $OUTDEV_LIST && enable muxers
1949enabled_any $PROTOCOL_LIST && enable protocols
1950
1951enabled_any $THREADS_LIST && enable threads
1952
1953check_deps $CONFIG_LIST \
1954 $HAVE_LIST \
1955 $DECODER_LIST \
1956 $ENCODER_LIST \
1957 $PARSER_LIST \
1958 $BSF_LIST \
1959 $DEMUXER_LIST \
1960 $MUXER_LIST \
f7679c54 1961 $FILTER_LIST \
7483e694
DB
1962 $INDEV_LIST \
1963 $OUTDEV_LIST \
1964 $PROTOCOL_LIST \
f70f03f6 1965
f7b8bffe 1966enabled libdc1394 && append pkg_requires "libraw1394"
690bfceb 1967enabled libdirac && append pkg_requires "dirac"
fb2ce7d9 1968enabled libtheora && append pkg_requires "theora"
f9def9cc 1969enabled libvorbis && append pkg_requires "vorbisenc"
fb2ce7d9 1970
3e89171a 1971echo "install prefix $prefix"
f36958f8
DB
1972echo "source path $source_path"
1973echo "C compiler $cc"
bfd5afd8 1974echo ".align is power-of-two $asmalign_pot"
f36958f8 1975echo "ARCH $arch ($cpu)"
ce8871c2
MR
1976if test "$build_suffix" != ""; then
1977 echo "build suffix $build_suffix"
eb94aca9 1978fi
ac63af34
DB
1979if test "$extra_version" != ""; then
1980 echo "version string suffix $extra_version"
1981fi
0db2ce77 1982echo "big-endian ${bigendian-no}"
419b8784 1983if test $arch = "x86_32" -o $arch = "x86_64"; then
af44e8e4 1984 echo "yasm ${yasm-no}"
0db2ce77
MR
1985 echo "MMX enabled ${mmx-no}"
1986 echo "CMOV enabled ${cmov-no}"
1987 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
1988 echo "EBX available ${ebx_available-no}"
1989 echo "EBP available ${ebp_available-no}"
e41e8342 1990fi
cc6a90dd 1991if test $arch = "armv4l"; then
0db2ce77
MR
1992 echo "ARMv5TE enabled ${armv5te-no}"
1993 echo "ARMv6 enabled ${armv6-no}"
f55b299a 1994 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 1995 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 1996 echo "NEON enabled ${neon-no}"
eba9ae3c 1997fi
e241ba14 1998if test $arch = "mips"; then
0db2ce77 1999 echo "MMI enabled ${mmi-no}"
e41e8342 2000fi
cc6a90dd 2001if test $arch = "powerpc"; then
0db2ce77
MR
2002 echo "AltiVec enabled ${altivec-no}"
2003 echo "dcbzl available ${dcbzl-no}"
e41e8342 2004fi
0db2ce77
MR
2005echo "gprof enabled ${gprof-no}"
2006echo "debug symbols ${debug-no}"
87a0fb62 2007echo "strip symbols ${stripping-no}"
8400d6b8 2008echo "optimizations ${optimizations-no}"
0db2ce77
MR
2009echo "static ${static-no}"
2010echo "shared ${shared-no}"
4a24ab64 2011echo "postprocessing support ${postproc-no}"
13ca50f3 2012echo "software scaler enabled ${swscale-no}"
f7679c54 2013echo "new filter support ${avfilter-no}"
81124ba0 2014echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2015echo "video hooking ${vhook-no}"
90be59ef 2016if enabled vhook; then
0db2ce77
MR
2017 echo "Imlib2 support ${imlib2-no}"
2018 echo "FreeType support ${freetype2-no}"
68892110 2019fi
0db2ce77 2020echo "network support ${network-no}"
90be59ef 2021if enabled network; then
0db2ce77 2022 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2023fi
0db2ce77
MR
2024echo "threading support ${thread_type-no}"
2025echo "SDL support ${sdl-no}"
90be59ef 2026if enabled sdl_too_old; then
bfd5afd8
DB
2027 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2028fi
0db2ce77
MR
2029echo "Sun medialib support ${mlib-no}"
2030echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2031echo "libamr-nb support ${libamr_nb-no}"
2032echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2033echo "libdc1394 support ${libdc1394-no}"
690bfceb 2034echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2035echo "libfaac enabled ${libfaac-no}"
2036echo "libfaad enabled ${libfaad-no}"
7e0871a7 2037echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2038echo "libgsm enabled ${libgsm-no}"
2039echo "libmp3lame enabled ${libmp3lame-no}"
2040echo "libnut enabled ${libnut-no}"
f7cd9eed 2041echo "libschroedinger enabled ${libschroedinger-no}"
0db2ce77
MR
2042echo "libtheora enabled ${libtheora-no}"
2043echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2044echo "libx264 enabled ${libx264-no}"
2045echo "libxvid enabled ${libxvid-no}"
0db2ce77 2046echo "zlib enabled ${zlib-no}"
f402916e 2047echo "bzlib enabled ${bzlib-no}"
2c62e737 2048echo
de6d9b64 2049
f7679c54 2050for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2051 echo "Enabled ${type}s:"
f65c9da1 2052 eval list=\$$(toupper $type)_LIST
8138b9db 2053 for part in $list; do
f65c9da1
MR
2054 enabled $part && echo ${part%_*}
2055 done | sort | pr -3 -t
2056 echo
8138b9db
RP
2057done
2058
ba321adb
JK
2059license="LGPL"
2060if enabled nonfree; then
2061 license="unredistributable"
2062elif enabled gpl; then
2063 license="GPL"
2064fi
2065
2066echo "License: $license"
ca5323af 2067
cf1392e9
DB
2068echo "Creating config.mak and config.h..."
2069
29799f8b
DB
2070echo "# Automatically generated by configure - do not modify!" > config.mak
2071echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2072echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2073echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2074echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
de6d9b64 2075
d921f03f 2076echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2077echo "prefix=$prefix" >> config.mak
22a324da
DB
2078echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2079echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2080echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2081echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2082echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2083echo "CC=$cc" >> config.mak
304d586d 2084echo "YASM=$yasmexe" >> config.mak
980fc7b8 2085echo "AR=$ar" >> config.mak
be7109c1 2086echo "RANLIB=$ranlib" >> config.mak
20369773 2087echo "LN_S=$ln_s" >> config.mak
87a0fb62 2088enabled stripping &&
3ae3b721 2089 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2090 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2091
a9b3f630 2092echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2093echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2094echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2095echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2096echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2097echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2098echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2099echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2100echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2101echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2102echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2103echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2104echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2105echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2106echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2107echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2108echo "SLIBSUF=$SLIBSUF" >> config.mak
2109echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2110echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2111echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
4dc62701 2112
90be59ef 2113if enabled bigendian; then
7483e694
DB
2114 echo "WORDS_BIGENDIAN=yes" >> config.mak
2115 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2116fi
44161118 2117
90be59ef 2118if enabled sdl; then
7483e694
DB
2119 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2120 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2121fi
90be59ef 2122if enabled texi2html; then
7483e694 2123 echo "BUILD_DOC=yes" >> config.mak
146ea952 2124fi
5a872801 2125
719c8e00
MR
2126get_version(){
2127 name=$1
2128 file=$source_path/$2
147e7692
MR
2129 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2130 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2131 lcname=$(tolower $name)
2132 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2133 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2134}
2135
147e7692
MR
2136get_version LIBSWSCALE libswscale/swscale.h
2137get_version LIBPOSTPROC libpostproc/postprocess.h
2138get_version LIBAVCODEC libavcodec/avcodec.h
2139get_version LIBAVDEVICE libavdevice/avdevice.h
2140get_version LIBAVFORMAT libavformat/avformat.h
2141get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2142get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2143
5af4e0cc 2144if enabled shared; then
7483e694
DB
2145 echo "BUILD_SHARED=yes" >> config.mak
2146 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2147 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2148 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2149 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2150 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2151 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2152 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2153 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2154 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2155fi
d7e27559 2156echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2157echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2158
3d907e22
MR
2159print_config ARCH_ $TMPH config.mak $ARCH_LIST
2160print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694
DB
2161print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2162 $DECODER_LIST \
2163 $ENCODER_LIST \
2164 $PARSER_LIST \
2165 $BSF_LIST \
2166 $DEMUXER_LIST \
2167 $MUXER_LIST \
f7679c54 2168 $FILTER_LIST \
7483e694
DB
2169 $PROTOCOL_LIST \
2170 $INDEV_LIST \
2171 $OUTDEV_LIST \
8ac17293 2172
c13e1abd
FH
2173echo "#define restrict $_restrict" >> $TMPH
2174
bd2216e4 2175if enabled small; then
7483e694 2176 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2177fi
2178
997baf01
MR
2179echo "SRC_PATH=\"$source_path\"" >> config.mak
2180echo "SRC_PATH_BARE=$source_path" >> config.mak
2181echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2182
8156056e 2183# Apparently it's not possible to portably echo a backslash.
3ae3b721 2184enabled asmalign_pot &&
7483e694 2185 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2186 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2187
b4d96ba2 2188echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2189
9c05103f
DB
2190echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2191
b7860763 2192# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2193cmp -s $TMPH config.h &&
2194 echo "config.h is unchanged" ||
2195 mv -f $TMPH config.h
3d204385 2196
cea0ac52 2197rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2198
165af439 2199# build tree in object directory if source path is different from current one
90be59ef 2200if enabled source_path_used; then
165af439 2201 DIRS="\
7483e694
DB
2202 doc \
2203 libavcodec \
2204 libavcodec/alpha \
2205 libavcodec/armv4l \
2206 libavcodec/bfin \
2207 libavcodec/i386 \
2208 libavcodec/mlib \
2209 libavcodec/ppc \
2210 libavcodec/sh4 \
2211 libavcodec/sparc \
52a9cf34 2212 libavdevice \
f7679c54 2213 libavfilter \
7483e694
DB
2214 libavformat \
2215 libavutil \
2216 libpostproc \
2217 libswscale \
2218 tests \
2219 tools \
2220 vhook \
2221 "
165af439 2222 FILES="\
7483e694
DB
2223 Makefile \
2224 common.mak \
71c61f62 2225 subdir.mak \
7483e694
DB
2226 doc/texi2pod.pl \
2227 libavcodec/Makefile \
52a9cf34 2228 libavdevice/Makefile \
f7679c54 2229 libavfilter/Makefile \
7483e694
DB
2230 libavformat/Makefile \
2231 libavutil/Makefile \
2232 libpostproc/Makefile \
2233 libswscale/Makefile \
2234 "
165af439 2235 for dir in $DIRS ; do
7483e694 2236 mkdir -p $dir
165af439
MR
2237 done
2238 for f in $FILES ; do
20369773 2239 $ln_s "$source_path/$f" $f
165af439
MR
2240 done
2241fi
def4272a 2242
def4272a 2243
d0674868 2244# build pkg-config files
def4272a 2245
d0674868
DB
2246pkgconfig_generate(){
2247name=$1
e426941d 2248shortname=${name#lib}
d0674868
DB
2249comment=$2
2250version=$3
2251libs=$4
2252requires=$5
25cd5cb3 2253cat <<EOF > $name/$name.pc
3e89171a 2254prefix=$prefix
a94e666c 2255exec_prefix=\${prefix}
f2b7382c 2256libdir=$libdir
7622778e 2257includedir=$incdir
def4272a 2258
d0674868
DB
2259Name: $name
2260Description: $comment
2261Version: $version
5dcfe9f8
AH
2262Requires: $(disabled shared && echo $requires)
2263Requires.private: $(enabled shared && echo $requires)
def4272a 2264Conflicts:
12701f6e
AH
2265Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2266Libs.private: $(enabled shared && echo $libs)
76a448ed 2267Cflags: -I\${includedir}
def4272a 2268EOF
25cd5cb3 2269cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2270prefix=
2271exec_prefix=
46d1ff83 2272libdir=\${pcfiledir}
1d44d365 2273includedir=${source_path}
def4272a 2274
d0674868
DB
2275Name: $name
2276Description: $comment
2277Version: $version
2278Requires: $requires
def4272a 2279Conflicts:
12701f6e 2280Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2281Cflags: -I\${includedir}
2282EOF
d0674868 2283}
def4272a 2284
e426941d 2285pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
e426941d 2286pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
e426941d 2287pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
e426941d 2288pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2289enabled avfilter &&
35a71f1d 2290 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2291enabled postproc &&
e426941d 2292 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2293if enabled swscale; then
e426941d 2294 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2295else
f436a23e 2296 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2297 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2298fi