Drop unnecessary cast and cosmetically align.
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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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."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d
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57show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
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DB
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
3e89171a 65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
14a8acf1 67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
74c53c2d 68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
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72 echo
73 echo "Configuration options:"
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DB
74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
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DB
76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
79 echo " and binaries will be unredistributable [no]"
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80 echo " --disable-ffmpeg disable ffmpeg build"
81 echo " --disable-ffplay disable ffplay build"
82 echo " --disable-ffserver disable ffserver build"
e6b9d588 83 echo " --enable-postproc enable GPLed postprocessing support [no]"
fdf11906 84 echo " --enable-avfilter video filter support [no]"
0a23c0bb 85 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
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86 echo " --enable-beosthreads use BeOS threads [no]"
87 echo " --enable-os2threads use OS/2 threads [no]"
88 echo " --enable-pthreads use pthreads [no]"
89 echo " --enable-w32threads use Win32 threads [no]"
90 echo " --enable-x11grab enable X11 grabbing [no]"
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DB
91 echo " --disable-network disable network support [no]"
92 echo " --disable-ipv6 disable IPv6 support [no]"
93 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
94 echo " --enable-gray enable full grayscale support (slower color)"
aa033b1e 95 echo " --disable-fastdiv disable table-based division"
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96 echo " --enable-small optimize for size instead of speed"
97 echo " --disable-aandct disable AAN DCT code"
98 echo " --disable-fft disable FFT code"
99 echo " --disable-golomb disable Golomb code"
100 echo " --disable-mdct disable MDCT code"
68602540 101 echo " --disable-rdft disable RDFT code"
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102 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
103 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
104 echo " --enable-beos-netserver enable BeOS netserver"
105 echo " --disable-encoder=NAME disable encoder NAME"
106 echo " --enable-encoder=NAME enable encoder NAME"
107 echo " --disable-encoders disable all encoders"
108 echo " --disable-decoder=NAME disable decoder NAME"
109 echo " --enable-decoder=NAME enable decoder NAME"
110 echo " --disable-decoders disable all decoders"
111 echo " --disable-muxer=NAME disable muxer NAME"
112 echo " --enable-muxer=NAME enable muxer NAME"
113 echo " --disable-muxers disable all muxers"
114 echo " --disable-demuxer=NAME disable demuxer NAME"
115 echo " --enable-demuxer=NAME enable demuxer NAME"
116 echo " --disable-demuxers disable all demuxers"
117 echo " --enable-parser=NAME enable parser NAME"
118 echo " --disable-parser=NAME disable parser NAME"
119 echo " --disable-parsers disable all parsers"
120 echo " --enable-bsf=NAME enable bitstream filter NAME"
121 echo " --disable-bsf=NAME disable bitstream filter NAME"
122 echo " --disable-bsfs disable all bitstream filters"
123 echo " --enable-protocol=NAME enable protocol NAME"
124 echo " --disable-protocol=NAME disable protocol NAME"
125 echo " --disable-protocols disable all protocols"
126 echo " --disable-indevs disable input devices"
127 echo " --disable-outdevs disable output devices"
128 echo " --disable-devices disable all devices"
129 echo " --enable-filter=NAME enable filter NAME"
130 echo " --disable-filter=NAME disable filter NAME"
131 echo " --disable-filters disable all filters"
132 echo " --list-decoders show all available decoders"
133 echo " --list-encoders show all available encoders"
134 echo " --list-muxers show all available muxers"
135 echo " --list-demuxers show all available demuxers"
136 echo " --list-parsers show all available parsers"
137 echo " --list-protocols show all available protocols"
138 echo " --list-bsfs show all available bitstream filters"
139 echo " --list-indevs show all available input devices"
140 echo " --list-outdevs show all available output devices"
141 echo " --list-filters show all available filters"
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142 echo
143 echo "External library support:"
0a23c0bb 144 echo " --enable-avisynth enable reading of AVISynth script files [no]"
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145 echo " --enable-bzlib enable bzlib [autodetect]"
146 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
147 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
f7b8bffe 148 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
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149 echo " and libraw1394 [no]"
150 echo " --enable-libdirac enable Dirac support via libdirac [no]"
151 echo " --enable-libfaac enable FAAC support via libfaac [no]"
152 echo " --enable-libfaad enable FAAD support via libfaad [no]"
153 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
154 echo " --enable-libgsm enable GSM support via libgsm [no]"
155 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 156 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 157 echo " native (de)muxer exists [no]"
9a77d59a 158 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
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159 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
160 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
161 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 162 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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DB
163 echo " native implementation exists [no]"
164 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 165 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 166 echo " native MPEG-4/Xvid encoder exists [no]"
732c9a34 167 echo " --enable-mlib enable Sun medialib [no]"
27cb5cbc 168 echo " --enable-zlib enable zlib [autodetect]"
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169 echo ""
170 echo "Advanced options (experts only):"
171 echo " --source-path=PATH path to source code [$source_path]"
172 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 173 echo " --enable-cross-compile assume a cross-compiler is used"
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174 echo " --sysroot=PATH root of cross-build tree"
175 echo " --sysinclude=PATH location of cross-build system headers"
4f854758 176 echo " --target-os=OS compiler targets OS [$target_os]"
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177 echo " --target-exec=CMD command to run executables on target"
178 echo " --target-path=DIR path to view of build directory on target"
89641463 179 echo " --nm=NM use nm tool"
313c46a6 180 echo " --as=AS use assembler AS [$as_default]"
15396d5c 181 echo " --cc=CC use C compiler CC [$cc_default]"
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182 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
183 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
184 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
185 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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186 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
187 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
188 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 189 echo " --extra-version=STRING version string suffix []"
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DB
190 echo " --build-suffix=SUFFIX library name suffix []"
191 echo " --arch=ARCH select architecture [$arch]"
192 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 193 echo " instruction selection, may crash on older CPUs)"
2b4c3615 194 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 195 echo " (requires enabling PMC)"
4f50c3d5 196 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 197 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 198 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
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DB
199 echo " --disable-mmx disable MMX optimizations"
200 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 201 echo " --disable-sse disable SSE optimizations"
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DB
202 echo " --disable-ssse3 disable SSSE3 optimizations"
203 echo " --disable-armv5te disable armv5te optimizations"
204 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 205 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 206 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 207 echo " --disable-iwmmxt disable iwmmxt optimizations"
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DB
208 echo " --disable-mmi disable MMI optimizations"
209 echo " --disable-neon disable neon optimizations"
210 echo " --disable-vis disable VIS optimizations"
7595a5e4 211 echo " --disable-yasm disable use of yasm assembler"
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212 echo
213 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 214 echo " --disable-debug disable debugging symbols"
b7d49373 215 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 216 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 217 echo " --disable-optimizations disable compiler optimizations"
0a622b98 218 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 219 echo " --disable-stripping disable stripping of executables and shared libraries"
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220 echo ""
221 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 222 exit 0
74c53c2d 223}
cf9d24ad 224
57bd82d4 225log(){
2270b4b2 226 echo "$@" >> $logfile
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227}
228
720c69da 229log_file(){
c8e9f801 230 log BEGIN $1
2270b4b2 231 pr -n -t $1 >> $logfile
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232 log END $1
233}
234
2ba042a7 235echolog(){
c8e9f801 236 log "$@"
57bd82d4 237 echo "$@"
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238}
239
240die(){
241 echolog "$@"
242 cat <<EOF
243If you think configure made a mistake, make sure you are using the latest
244version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 245ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 246EOF
e155a21a 247 if disabled logging; then
2ba042a7 248 cat <<EOF
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249Rerun configure with logging enabled (do not use --disable-logging), and
250include the log this produces with your report.
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251EOF
252 else
253cat <<EOF
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254Include the log file "$logfile" produced by configure as this will help
255solving the problem.
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256EOF
257 fi
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258 exit 1
259}
260
6c6007d6 261# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 262toupper(){
6c6007d6 263 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
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264}
265
4a5444db 266tolower(){
6c6007d6 267 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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268}
269
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270c_escape(){
271 echo "$*" | sed 's/["\\]/\\\0/g'
272}
273
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274set_all(){
275 value=$1
276 shift
277 for var in $*; do
278 eval $var=$value
279 done
280}
281
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282set_weak(){
283 value=$1
284 shift
285 for var; do
286 eval : \${$var:=$value}
287 done
288}
289
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MR
290pushvar(){
291 for var in $*; do
292 eval level=\${${var}_level:=0}
293 eval ${var}_${level}="\$$var"
294 eval ${var}_level=$(($level+1))
295 done
296}
297
298popvar(){
299 for var in $*; do
300 eval level=\${${var}_level:-0}
301 test $level = 0 && continue
302 eval level=$(($level-1))
303 eval $var="\${${var}_${level}}"
304 eval ${var}_level=$level
305 eval unset ${var}_${level}
306 done
307}
308
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309enable(){
310 set_all yes $*
311}
312
313disable(){
314 set_all no $*
315}
316
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317enable_weak(){
318 set_weak yes $*
319}
320
321disable_weak(){
322 set_weak no $*
323}
324
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325enable_safe(){
326 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
327}
328
329disable_safe(){
330 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
331}
332
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MR
333do_enable_deep(){
334 for var; do
335 enabled $var && continue
336 eval sel="\$${var}_select"
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MR
337 eval sgs="\$${var}_suggest"
338 pushvar var sgs
f9d328da 339 enable_deep $sel
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340 popvar sgs
341 enable_deep_weak $sgs
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342 popvar var
343 done
344}
345
346enable_deep(){
347 do_enable_deep $*
348 enable $*
349}
350
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351enable_deep_weak(){
352 do_enable_deep $*
353 enable_weak $*
354}
355
57bd82d4 356enabled(){
3250003c
MR
357 test "${1#!}" = "$1" && op== || op=!=
358 eval test "x\$${1#!}" $op "xyes"
44161118
MR
359}
360
37970ebf 361disabled(){
3250003c
MR
362 test "${1#!}" = "$1" && op== || op=!=
363 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
364}
365
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MR
366enabled_all(){
367 for opt; do
368 enabled $opt || return 1
369 done
370}
371
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DB
372disabled_all(){
373 for opt; do
374 disabled $opt || return 1
375 done
376}
377
44161118
MR
378enabled_any(){
379 for opt; do
380 enabled $opt && return 0
381 done
382}
383
85bca2c5
DB
384disabled_any(){
385 for opt; do
386 disabled $opt && return 0
387 done
f7b230a7 388 return 1
85bca2c5
DB
389}
390
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MR
391set_default(){
392 for opt; do
88268e94 393 eval : \${$opt:=\$${opt}_default}
c9d19248
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394 done
395}
396
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AJ
397is_in(){
398 value=$1
399 shift
400 for var in $*; do
401 [ $var = $value ] && return 0
402 done
403 return 1
404}
405
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MR
406check_deps(){
407 for cfg; do
3250003c 408 cfg="${cfg#!}"
799c9e9b
MR
409 enabled ${cfg}_checking && die "Circular dependency for $cfg."
410 disabled ${cfg}_checking && continue
411 enable ${cfg}_checking
412
30fd06be
MR
413 eval dep_all="\$${cfg}_deps"
414 eval dep_any="\$${cfg}_deps_any"
7ef3425f 415 eval dep_sel="\$${cfg}_select"
c510c7b5 416 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 417
c510c7b5
MR
418 pushvar cfg dep_all dep_any dep_sel dep_sgs
419 check_deps $dep_all $dep_any $dep_sel $dep_sgs
420 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 421
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MR
422 enabled_all $dep_all || disable $cfg
423 enabled_any $dep_any || disable $cfg
7ef3425f 424 disabled_any $dep_sel && disable $cfg
799c9e9b 425
4ec45764
RP
426 if enabled $cfg; then
427 eval dep_extralibs="\$${cfg}_extralibs"
428 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 429 enable_deep $dep_sel
c510c7b5 430 enable_deep_weak $dep_sgs
4ec45764
RP
431 fi
432
799c9e9b 433 disable ${cfg}_checking
30fd06be
MR
434 done
435}
436
44161118
MR
437print_config(){
438 pfx=$1
439 header=$2
440 makefile=$3
441 shift 3
442 for cfg; do
5e622c40 443 ucname="$(toupper $cfg)"
44161118 444 if enabled $cfg; then
3d907e22 445 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
446 echo "${pfx}${ucname}=yes" >> $makefile
447 else
b250f9c6 448 echo "#define ${pfx}${ucname} 0" >> $header
44161118
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449 fi
450 done
57bd82d4
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451}
452
453flags_saved(){
2270b4b2 454 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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455}
456
dcd479c0 457save_flags(){
57bd82d4 458 flags_saved && return
dcd479c0
MR
459 SAVE_CFLAGS="$CFLAGS"
460 SAVE_LDFLAGS="$LDFLAGS"
461 SAVE_extralibs="$extralibs"
462}
463
464restore_flags(){
f5d28d10 465 flags_saved || return
dcd479c0
MR
466 CFLAGS="$SAVE_CFLAGS"
467 LDFLAGS="$SAVE_LDFLAGS"
468 extralibs="$SAVE_extralibs"
469 unset SAVE_CFLAGS
470 unset SAVE_LDFLAGS
471 unset SAVE_extralibs
472}
473
474temp_cflags(){
475 save_flags
476 CFLAGS="$CFLAGS $*"
477}
478
479temp_ldflags(){
480 save_flags
481 LDFLAGS="$LDFLAGS $*"
482}
483
484temp_extralibs(){
485 save_flags
486 extralibs="$extralibs $*"
487}
488
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489append(){
490 var=$1
491 shift
492 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
493 eval "$var=\"\$$var $*\""
494}
495
496add_cflags(){
497 append CFLAGS "$@"
498}
499
500add_ldflags(){
501 append LDFLAGS "$@"
502}
503
504add_extralibs(){
505 append extralibs "$@"
506}
507
b0cfb663 508check_cmd(){
b3cb5d51 509 log "$@"
2270b4b2 510 "$@" >> $logfile 2>&1
b0cfb663
MR
511}
512
dcd479c0 513check_cc(){
57bd82d4 514 log check_cc "$@"
2270b4b2 515 cat > $TMPC
720c69da 516 log_file $TMPC
b0cfb663 517 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
518}
519
520check_cpp(){
521 log check_cpp "$@"
2270b4b2 522 cat > $TMPC
720c69da 523 log_file $TMPC
b0cfb663 524 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
525}
526
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MR
527check_as(){
528 log check_as "$@"
529 cat > $TMPC
530 log_file $TMPC
531 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
532}
533
940f335a
MR
534check_asm(){
535 log check_asm "$@"
536 name="$1"
537 asm="$2"
538 shift 2
f65883c8 539 check_as "$@" <<EOF && enable $name || disable $name
124c21d7 540void foo(void){ __asm__ volatile($asm); }
940f335a
MR
541EOF
542}
543
304d586d
LM
544check_yasm(){
545 log check_yasm "$@"
546 echo "$1" > $TMPS
547 log_file $TMPS
548 shift 1
549 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
550}
551
dcd479c0 552check_ld(){
57bd82d4 553 log check_ld "$@"
0607887f 554 check_cc || return
3155a644
MR
555 flags=''
556 libs=''
557 for f; do
558 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
559 done
560 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
561}
562
563check_cflags(){
57bd82d4
MR
564 log check_cflags "$@"
565 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
566int x;
567EOF
568}
569
570check_ldflags(){
57bd82d4
MR
571 log check_ldflags "$@"
572 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 573int main(void){ return 0; }
dcd479c0
MR
574EOF
575}
576
577check_header(){
57bd82d4 578 log check_header "$@"
dcd479c0
MR
579 header=$1
580 shift
b77df637
MR
581 disable_safe $header
582 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
583#include <$header>
584int x;
585EOF
586}
587
588check_func(){
57bd82d4 589 log check_func "$@"
dcd479c0
MR
590 func=$1
591 shift
d8bc5f06
MR
592 disable $func
593 check_ld "$@" <<EOF && enable $func
dcd479c0 594extern int $func();
c23a0ac8 595int main(void){ $func(); }
dcd479c0
MR
596EOF
597}
598
2446d3d6
DB
599check_func_headers(){
600 log check_func_headers "$@"
f8d7b072
MR
601 headers=$1
602 func=$2
603 shift 2
604 disable $func
605 incs=""
606 for hdr in $headers; do
607 incs="$incs
608#include <$hdr>"
609 done
cd0d9a9d 610 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 611$incs
d6773f56 612int main(int argc, char **argv){
f8d7b072
MR
613 (void) $func;
614 return 0;
615}
616EOF
617}
618
a5344cf7
SS
619check_cpp_condition(){
620 log check_cpp_condition "$@"
621 header=$1
622 condition=$2
623 check_cpp <<EOF
624#include <$header>
625#if !($condition)
626#error "unsatisfied condition: $condition"
627#endif
628EOF
629}
630
57bd82d4
MR
631check_lib(){
632 log check_lib "$@"
633 header="$1"
634 func="$2"
635 shift 2
fcfcde17
MR
636 temp_extralibs "$@"
637 check_header $header && check_func $func && add_extralibs "$@"
638 err=$?
639 restore_flags
640 return $err
57bd82d4
MR
641}
642
f8d7b072
MR
643check_lib2(){
644 log check_lib2 "$@"
645 headers="$1"
646 func="$2"
647 shift 2
648 temp_extralibs "$@"
2446d3d6 649 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
650 err=$?
651 restore_flags
652 return $err
653}
654
dcd479c0 655check_exec(){
2270b4b2 656 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
657}
658
7dfef245 659check_exec_crash(){
5e622c40 660 code=$(cat)
7dfef245
MR
661
662 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
663 # are safe but may not be available everywhere. Thus we use
664 # raise(SIGTERM) instead. The check is run in a subshell so we
665 # can redirect the "Terminated" message from the shell. SIGBUS
666 # is not defined by standard C so it is used conditionally.
667
2270b4b2 668 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
669#include <signal.h>
670static void sighandler(int sig){
671 raise(SIGTERM);
672}
e5af4a11 673int main(void){
7dfef245
MR
674 signal(SIGILL, sighandler);
675 signal(SIGFPE, sighandler);
676 signal(SIGSEGV, sighandler);
677#ifdef SIGBUS
678 signal(SIGBUS, sighandler);
679#endif
680 { $code }
681}
682EOF
683}
684
72be9e73
DY
685check_type(){
686 log check_type "$@"
687 headers=$1
688 type=$2
689 shift 2
690 disable $type
691 incs=""
692 for hdr in $headers; do
693 incs="$incs
694#include <$hdr>"
695 done
696 check_cc "$@" <<EOF && enable $type
697$incs
698$type v;
699EOF
700}
701
57bd82d4
MR
702require(){
703 name="$1"
704 header="$2"
705 func="$3"
706 shift 3
707 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
708}
709
f8d7b072
MR
710require2(){
711 name="$1"
712 headers="$2"
713 func="$3"
714 shift 3
715 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
716}
717
eea50282
MR
718check_foo_config(){
719 cfg=$1
720 pkg=$2
721 header=$3
722 func=$4
723 shift 4
724 disable $cfg
725 check_cmd ${pkg}-config --version
726 err=$?
727 if test "$err" = 0; then
5e622c40
DB
728 temp_cflags $(${pkg}-config --cflags)
729 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
730 check_lib "$@" $header $func && enable $cfg
731 fi
732 return $err
733}
734
c505dd31
MR
735apply(){
736 file=$1
737 shift
738 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
739}
740
dcd61286
DB
741# CONFIG_LIST contains configurable options, while HAVE_LIST is for
742# system-dependent things.
743
4a0d6686
AJ
744COMPONENT_LIST="
745 bsfs
746 decoders
747 demuxers
748 encoders
3cde40aa 749 filters
c552605c 750 indevs
4a0d6686 751 muxers
c552605c 752 outdevs
4a0d6686
AJ
753 parsers
754 protocols
755"
756
757CONFIG_LIST="
758 $COMPONENT_LIST
e8ed9b7a 759 aandct
f7679c54
VS
760 avfilter
761 avfilter_lavf
c88f5d72
MR
762 avisynth
763 beos_netserver
f402916e 764 bzlib
27a9466b 765 fastdiv
c88f5d72
MR
766 ffmpeg
767 ffplay
768 ffserver
1848f7d9 769 fft
4f034993 770 golomb
c88f5d72 771 gpl
ecfc4f44 772 gprof
d8d0d0b2 773 gray
3abe5fbd 774 hardcoded_tables
c88f5d72 775 ipv6
f5a756ef
DB
776 libamr_nb
777 libamr_wb
f7b8bffe 778 libdc1394
690bfceb 779 libdirac
2eed5a46
DB
780 libfaac
781 libfaad
782 libfaadbin
c88f5d72 783 libgsm
6ebe07fb 784 libmp3lame
c88f5d72 785 libnut
9a77d59a 786 libopenjpeg
f7cd9eed 787 libschroedinger
ae14f311 788 libspeex
150d2772 789 libtheora
c88f5d72 790 libvorbis
1cc60c47
DB
791 libx264
792 libxvid
47a158cb 793 mdct
c88f5d72 794 memalign_hack
a8150374 795 mlib
c88f5d72
MR
796 mpegaudio_hp
797 network
3fe142e2 798 nonfree
4a24ab64 799 postproc
2b4c3615 800 powerpc_perf
68602540 801 rdft
2e35e684 802 shared
bd2216e4 803 small
2e35e684 804 static
56a059ac 805 x11grab
c88f5d72 806 zlib
4a0d6686 807"
c88f5d72 808
8eee7025
DB
809THREADS_LIST='
810 beosthreads
d22e8442 811 os2threads
8eee7025
DB
812 pthreads
813 w32threads
814'
815
3f5b56e5
MR
816ARCH_LIST='
817 alpha
a2fc0f6a 818 arm
3f5b56e5
MR
819 bfin
820 ia64
821 m68k
822 mips
823 parisc
79cb09b2 824 ppc
3f5b56e5
MR
825 s390
826 sh4
827 sparc
828 sparc64
829 x86
830 x86_32
831 x86_64
832'
833
834ARCH_EXT_LIST='
1ac9331a 835 altivec
3bf96eec 836 amd3dnow
a1ef9f08 837 amd3dnowext
1ac9331a 838 armv5te
edab3048 839 armv6
ab5cb084 840 armv6t2
f55b299a 841 armvfp
3f5b56e5
MR
842 iwmmxt
843 mmi
844 mmx
d7f0920b 845 mmx2
6b18d278 846 neon
799fde37 847 ppc4xx
1bb04d5a 848 sse
9eeed841 849 ssse3
bd9d34a0 850 vis
3f5b56e5
MR
851'
852
853HAVE_LIST="
854 $ARCH_EXT_LIST
855 $THREADS_LIST
35fd8122 856 alsa_asoundlib_h
3f5b56e5 857 altivec_h
c9fdab0d 858 arpa_inet_h
6bd859d6 859 bswap
ecf97f22 860 closesocket
1ac9331a 861 cmov
e16e49ac 862 conio_h
c88f5d72 863 dcbzl
f8aa696f
DB
864 dev_bktr_ioctl_bt848_h
865 dev_bktr_ioctl_meteor_h
866 dev_ic_bt8xx_h
867 dev_video_meteor_ioctl_meteor_h
868 dev_video_bktr_ioctl_bt848_h
18b67ae5 869 dlfcn_h
c88f5d72 870 dlopen
bc574408 871 dos_paths
245626d0
DB
872 ebp_available
873 ebx_available
c2a29455 874 fast_64bit
7073e9fc 875 fast_cmov
7b829d2a 876 fast_unaligned
9d99cc5a 877 fork
da9e86f8 878 gethrtime
4e68cb8a 879 GetProcessTimes
66be5b45 880 getrusage
2e1913b1 881 inet_aton
61d251db 882 inline_asm
0b4a1821
AS
883 libdc1394_1
884 libdc1394_2
a33cab3a
MK
885 llrint
886 lrint
c88f5d72 887 lrintf
f8aa696f
DB
888 machine_ioctl_bt848_h
889 machine_ioctl_meteor_h
c88f5d72
MR
890 malloc_h
891 memalign
6ffa87d3 892 mkstemp
b4e806b2 893 pld
1f91cdce 894 posix_memalign
9cafbd6c 895 ppc64
a33cab3a
MK
896 round
897 roundf
c88f5d72
MR
898 sdl
899 sdl_video_size
b507ebd1 900 setmode
72be9e73 901 socklen_t
deb29777 902 soundcard_h
f8cda19e 903 poll_h
b58412f1 904 sys_mman_h
b091aa44 905 sys_resource_h
81644c2e 906 sys_select_h
deb29777 907 sys_soundcard_h
1b6e8b73 908 sys_videoio_h
d3a4b4e0 909 ten_operands
e16e49ac 910 termios_h
b265431e 911 threads
7b04b8a0 912 truncf
6ff3f3e7 913 winsock2_h
304d586d 914 yasm
0cb78cef 915"
44161118 916
b6bb00b0
MR
917# options emitted with CONFIG_ prefix but not available on command line
918CONFIG_EXTRA="
b6bb00b0
MR
919"
920
520cc7f1 921CMDLINE_SELECT="
3f5b56e5 922 $ARCH_EXT_LIST
520cc7f1 923 $CONFIG_LIST
8eee7025 924 $THREADS_LIST
db6107b6 925 cross_compile
520cc7f1
MR
926 debug
927 extra_warnings
8c6afa4d 928 logging
d2bbb2f7 929 optimizations
87a0fb62 930 stripping
7595a5e4 931 yasm
520cc7f1 932"
426be5dc
DB
933
934PATHS_LIST='
d156bede 935 bindir
14a8acf1 936 datadir
26759c44
MR
937 incdir
938 libdir
26759c44
MR
939 mandir
940 prefix
941 shlibdir
426be5dc
DB
942'
943
944CMDLINE_SET="
945 $PATHS_LIST
946 arch
313c46a6 947 as
426be5dc
DB
948 build_suffix
949 cc
950 cpu
951 cross_prefix
ac63af34 952 extra_version
9da6609f
MR
953 host_cc
954 host_cflags
955 host_ldflags
956 host_libs
82bb3329 957 host_os
426be5dc 958 logfile
89641463 959 nm
26759c44 960 source_path
c5200f17
MR
961 sysinclude
962 sysroot
a7ada2ba 963 target_exec
26759c44 964 target_os
a7ada2ba 965 target_path
426be5dc 966"
520cc7f1 967
912f3148
DB
968# code dependency declarations
969
9eeed841 970# architecture extensions
79cb09b2 971altivec_deps="ppc"
3bf96eec 972amd3dnow_deps="mmx"
a1ef9f08 973amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
974armv5te_deps="arm"
975armv6_deps="arm"
ab5cb084 976armv6t2_deps="arm"
a2fc0f6a
MR
977armvfp_deps="arm"
978iwmmxt_deps="arm"
e241ba14 979mmi_deps="mips"
9eeed841 980mmx_deps="x86"
75aa95a6 981mmx2_deps="mmx"
a2fc0f6a 982neon_deps="arm"
799fde37 983ppc4xx_deps="ppc"
75aa95a6
DB
984sse_deps="mmx"
985ssse3_deps="sse"
bd9d34a0 986vis_deps="sparc"
9eeed841 987
912f3148 988# decoders / encoders
47a158cb 989aac_decoder_select="fft mdct"
d8d12c15 990ac3_decoder_deps="gpl"
47a158cb
MR
991ac3_decoder_select="fft mdct"
992atrac3_decoder_select="fft mdct"
4f034993 993cavs_decoder_select="golomb"
47a158cb 994cook_decoder_select="fft mdct"
2eef7c62 995cscd_decoder_suggest="zlib"
47a158cb 996dca_decoder_select="fft mdct"
e8ed9b7a 997dnxhd_encoder_select="aandct"
2eef7c62 998dxa_decoder_select="zlib"
406ab5cc 999eac3_decoder_deps="gpl"
47a158cb 1000eac3_decoder_select="fft mdct"
e8ed9b7a 1001eatgq_decoder_select="aandct"
d52b39c7 1002eatqi_decoder_select="aandct"
4f034993
MR
1003ffv1_decoder_select="golomb"
1004flac_decoder_select="golomb"
1005flac_encoder_select="golomb"
2eef7c62
AJ
1006flashsv_decoder_select="zlib"
1007flashsv_encoder_select="zlib"
e8ed9b7a
DB
1008flv_encoder_select="aandct"
1009h261_encoder_select="aandct"
1010h263_encoder_select="aandct"
1011h263p_encoder_select="aandct"
4f034993 1012h264_decoder_select="golomb"
711dae77 1013h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb 1014imc_decoder_select="fft mdct"
4f034993
MR
1015jpegls_decoder_select="golomb"
1016jpegls_encoder_select="golomb"
e8ed9b7a 1017ljpeg_encoder_select="aandct"
4f034993 1018loco_decoder_select="golomb"
e8ed9b7a
DB
1019mjpeg_encoder_select="aandct"
1020mpeg1video_encoder_select="aandct"
1021mpeg2video_encoder_select="aandct"
1022mpeg4_encoder_select="aandct"
711dae77
DB
1023mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1024mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
8f6f050a 1025mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1026msmpeg4v1_encoder_select="aandct"
1027msmpeg4v2_encoder_select="aandct"
1028msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1029nellymoser_decoder_select="fft mdct"
1030nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1031png_decoder_select="zlib"
1032png_encoder_select="zlib"
63cae55d 1033qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1034rv10_encoder_select="aandct"
1035rv20_encoder_select="aandct"
d52b39c7
AJ
1036rv30_decoder_select="golomb"
1037rv40_decoder_select="golomb"
4f034993
MR
1038shorten_decoder_select="golomb"
1039sonic_decoder_select="golomb"
1040sonic_encoder_select="golomb"
1041sonic_ls_encoder_select="golomb"
1042svq3_decoder_select="golomb"
bee2eac5 1043svq3_decoder_suggest="zlib"
2eef7c62
AJ
1044tiff_decoder_suggest="zlib"
1045tiff_encoder_suggest="zlib"
1046tscc_decoder_select="zlib"
711dae77 1047vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb
MR
1048vorbis_decoder_select="fft mdct"
1049vorbis_encoder_select="fft mdct"
1050wmav1_decoder_select="fft mdct"
1051wmav1_encoder_select="fft mdct"
1052wmav2_decoder_select="fft mdct"
1053wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1054wmv1_encoder_select="aandct"
1055wmv2_encoder_select="aandct"
711dae77 1056wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2eef7c62
AJ
1057zlib_decoder_select="zlib"
1058zlib_encoder_select="zlib"
1059zmbv_decoder_select="zlib"
1060zmbv_encoder_select="zlib"
30fd06be 1061
912f3148 1062# external libraries
f5a756ef
DB
1063libamr_nb_decoder_deps="libamr_nb"
1064libamr_nb_encoder_deps="libamr_nb"
1065libamr_wb_decoder_deps="libamr_wb"
1066libamr_wb_encoder_deps="libamr_wb"
1b71f045 1067libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1068libdirac_encoder_deps="libdirac"
c9171a83 1069libfaac_encoder_deps="libfaac"
69ddbd1d 1070libfaad_decoder_deps="libfaad"
4ec45764 1071libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1072libgsm_decoder_deps="libgsm"
1073libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1074libgsm_ms_decoder_deps="libgsm"
1075libgsm_ms_encoder_deps="libgsm"
1cc60c47 1076libmp3lame_encoder_deps="libmp3lame"
9a77d59a 1077libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1078libschroedinger_decoder_deps="libschroedinger"
1079libschroedinger_encoder_deps="libschroedinger"
ae14f311 1080libspeex_decoder_deps="libspeex"
150d2772 1081libtheora_encoder_deps="libtheora"
b0caf888 1082libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1083libx264_encoder_deps="libx264"
1084libxvid_encoder_deps="libxvid"
30fd06be 1085
912f3148 1086# demuxers / muxers
03a76ba9 1087ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1088alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1089alsa_demuxer_extralibs="-lasound"
1090alsa_muxer_deps="alsa_asoundlib_h"
1091alsa_muxer_extralibs="-lasound"
50383e88 1092audio_beos_demuxer_deps="audio_beos"
4ec45764 1093audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1094audio_beos_muxer_deps="audio_beos"
4ec45764 1095audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1096avisynth_demuxer_deps="avisynth"
73483024 1097bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1098dirac_demuxer_deps="dirac_parser"
fe9bb347 1099dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1100libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1101libnut_demuxer_deps="libnut"
1102libnut_muxer_deps="libnut"
2eef7c62
AJ
1103matroska_demuxer_suggest="zlib bzlib"
1104mov_demuxer_suggest="zlib"
4bd8e17c 1105mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1106oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1107oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1108redir_demuxer_deps="network"
8eb793c4 1109rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1110rtsp_demuxer_deps="sdp_demuxer"
1111sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1112v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1113v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1114vfwcap_demuxer_deps="capCreateCaptureWindow"
1115vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1116x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1117x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1118
912f3148 1119# protocols
3fff6382 1120gopher_protocol_deps="network"
c08fb000
AB
1121http_protocol_deps="network"
1122rtp_protocol_deps="udp_protocol"
1123tcp_protocol_deps="network"
1124udp_protocol_deps="network"
1125
f7679c54 1126# filters
81124ba0 1127movie_filter_deps="avfilter_lavf"
f7679c54 1128
912f3148 1129# programs
fa859b4d 1130ffplay_deps="sdl"
6ad42348 1131ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1132ffserver_extralibs='$ldl'
a2830dca 1133
912f3148 1134
de6d9b64 1135# default parameters
8a608357 1136
2ba042a7 1137logfile="config.err"
8a608357
MR
1138
1139# installation paths
c9d19248
MR
1140prefix_default="/usr/local"
1141bindir_default='${prefix}/bin'
14a8acf1 1142datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1143incdir_default='${prefix}/include'
1144libdir_default='${prefix}/lib'
1145mandir_default='${prefix}/share/man'
1146shlibdir_default="$libdir_default"
8a608357
MR
1147
1148# toolchain
11e6d03a 1149ar="ar"
13c7df3d 1150cc_default="gcc"
9da6609f 1151host_cc_default="gcc"
11e6d03a 1152ln_s="ln -sf"
89641463 1153nm_default="nm"
11e6d03a 1154objformat="elf"
be7109c1 1155ranlib="ranlib"
0f3cb305 1156strip="strip"
11e6d03a 1157yasmexe="yasm"
8a608357
MR
1158
1159# machine
5e622c40 1160arch=$(uname -m)
38d0a8aa 1161cpu="generic"
8a608357 1162
8a608357 1163# OS
4f854758 1164target_os=$(tolower $(uname -s))
82bb3329 1165host_os=$target_os
8a608357 1166
8a608357 1167# configurable options
497237c7 1168enable debug
aa033b1e 1169enable fastdiv
497237c7
RP
1170enable ffmpeg
1171enable ffplay
1172enable ffserver
1173enable ipv6
497237c7
RP
1174enable mpegaudio_hp
1175enable network
8400d6b8 1176enable optimizations
497237c7 1177enable protocols
530dc538 1178enable static
87a0fb62 1179enable stripping
8a608357 1180
8a608357 1181# build settings
11a9d3e8 1182add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1183SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1184FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1185LIBPREF="lib"
1186LIBSUF=".a"
c5f14466
RP
1187FULLNAME='$(NAME)$(BUILDSUF)'
1188LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1189SLIBPREF="lib"
1190SLIBSUF=".so"
c5f14466 1191SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1192SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1193SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1194LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1195
9da6609f
MR
1196host_cflags='-O3 -g -Wall'
1197host_libs='-lm'
1198
a7ada2ba
MR
1199target_path='.'
1200
0d7dca36
DB
1201# gcc stupidly only outputs the basename of targets with -MM, but we need the
1202# full relative path for objects in subdirectories for non-recursive Make.
333d5374 1203DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1204
c597172e 1205# find source path
5e622c40 1206source_path="$(dirname "$0")"
497237c7 1207enable source_path_used
c597172e 1208if test -z "$source_path" -o "$source_path" = "." ; then
5e622c40 1209 source_path="$(pwd)"
497237c7 1210 disable source_path_used
c597172e 1211else
5e622c40 1212 source_path="$(cd "$source_path"; pwd)"
c597172e 1213 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1214 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1215 test -e "$source_path/config.h" &&
1216 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1217fi
1218
c597172e
MR
1219FFMPEG_CONFIGURATION="$@"
1220
73ef8980
MR
1221find_things(){
1222 thing=$1
1223 pattern=$2
1224 file=$source_path/$3
932ccf39 1225 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1226}
1227
1228ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1229DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1230PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1231BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1232MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1233DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1234OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1235INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1236PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1237FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1238
7483e694
DB
1239enable $ARCH_EXT_LIST \
1240 $DECODER_LIST \
1241 $ENCODER_LIST \
1242 $PARSER_LIST \
1243 $BSF_LIST \
1244 $DEMUXER_LIST \
1245 $MUXER_LIST \
f7679c54 1246 $FILTER_LIST \
7483e694
DB
1247 $PROTOCOL_LIST \
1248 $INDEV_LIST \
1249 $OUTDEV_LIST \
c597172e
MR
1250
1251die_unknown(){
1252 echo "Unknown option \"$1\"."
1253 echo "See $0 --help for available options."
1254 exit 1
1255}
1256
794f8e97 1257show_list() {
bf0c4afa
RP
1258 suffix=_$1
1259 shift
1260 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1261 exit 0
1262}
1263
c597172e 1264for opt do
7483e694
DB
1265 optval="${opt#*=}"
1266 case "$opt" in
0f010b2f 1267 --extra-cflags=*) add_cflags $optval
7483e694 1268 ;;
0f010b2f 1269 --extra-ldflags=*) add_ldflags $optval
7483e694 1270 ;;
0f010b2f 1271 --extra-libs=*) add_extralibs $optval
7483e694 1272 ;;
8fb1cb58 1273 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1274 ;;
40bcf4c7
BL
1275 --enable-debug=*) debuglevel="$optval"
1276 ;;
7483e694 1277 --enable-*=*|--disable-*=*)
5e622c40 1278 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
7483e694 1279 case "$thing" in
81124ba0 1280 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1281 *) die_unknown "$opt" ;;
1282 esac
1283 ;;
1284 --enable-?*|--disable-?*)
5e622c40 1285 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55
MR
1286 if is_in $option $COMPONENT_LIST; then
1287 eval $action \$$(toupper ${option%s})_LIST
1288 elif is_in $option $CMDLINE_SELECT; then
1289 $action $option
1290 else
1291 die_unknown $opt
1292 fi
7483e694
DB
1293 ;;
1294 --list-*)
1295 NAME="${opt#--list-}"
1296 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1297 NAME=${NAME%s}
1298 eval show_list $NAME \$$(toupper $NAME)_LIST
1299 ;;
1300 --help|-h) show_help
1301 ;;
1302 *)
884a36a7 1303 optname="${opt%%=*}"
26759c44
MR
1304 optname="${optname#--}"
1305 optname=$(echo "$optname" | sed 's/-/_/g')
1306 is_in $optname $CMDLINE_SET || die_unknown $opt
1307 eval $optname='$optval'
7483e694
DB
1308 ;;
1309 esac
c597172e
MR
1310done
1311
bcea99bb
MR
1312disabled logging && logfile=/dev/null
1313
1314echo "# $0 $@" > $logfile
1315set >> $logfile
1316
9da6609f
MR
1317test -n "$cross_prefix" && enable cross_compile
1318
adb2b908 1319ar="${cross_prefix}${ar}"
11e6d03a 1320cc_default="${cross_prefix}${cc_default}"
20e0ed95 1321nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1322ranlib="${cross_prefix}${ranlib}"
1323strip="${cross_prefix}${strip}"
1324
c5200f17
MR
1325sysinclude_default="${sysroot}/usr/include"
1326
75800dce
MR
1327set_default cc nm sysinclude
1328as_default=$cc
9da6609f
MR
1329enabled cross_compile || host_cc_default=$cc
1330set_default host_cc
13c7df3d 1331
82bb3329
MR
1332exesuf() {
1333 case $1 in
1334 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1335 esac
1336}
1337
1338EXESUF=$(exesuf $target_os)
1339HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1340
e4e69e0b 1341# set temporary file name
a49d42c2 1342: ${TMPDIR:=$TEMPDIR}
c51fafa1 1343: ${TMPDIR:=$TMP}
a49d42c2 1344: ${TMPDIR:=/tmp}
e4e69e0b 1345
54460a83
MR
1346if ! check_cmd type mktemp; then
1347 # simple replacement for missing mktemp
1348 # NOT SAFE FOR GENERAL USE
1349 mktemp(){
1350 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1351 }
1352fi
1353
1354tmpfile(){
1355 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1356 (set -C; exec > $tmp) 2>/dev/null ||
1357 die "Unable to create temoporary file in $TMPDIR."
1358 append TMPFILES $tmp
1359 eval $1=$tmp
1360}
1361
1362trap 'rm -f -- $TMPFILES' EXIT
1363trap exit HUP INT TERM
1364
1365tmpfile TMPC .c
1366tmpfile TMPE $EXESUF
1367tmpfile TMPH .h
1368tmpfile TMPO .o
1369tmpfile TMPS .S
1370tmpfile TMPSH .sh
1371
1372unset -f mktemp
e4e69e0b 1373
993f2d0f
MR
1374# make sure we can execute files in $TMPDIR
1375cat > $TMPSH 2>> $logfile <<EOF
1376#! /bin/sh
1377EOF
1378chmod +x $TMPSH >> $logfile 2>&1
1379if ! $TMPSH >> $logfile 2>&1; then
1380 cat <<EOF
1381Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1382variable to another directory and make sure that it is not mounted noexec.
1383EOF
1384 die "Sanity test failed."
1385fi
993f2d0f 1386
3a636b6f 1387if $cc --version 2>/dev/null | grep -qi gcc; then
629687f6
MR
1388 cc_type=gcc
1389elif $cc --version 2>/dev/null | grep -q Intel; then
1390 cc_type=icc
1391elif $cc -v 2>&1 | grep -q xlc; then
1392 cc_type=xlc
df442a8d
MR
1393elif $cc -V 2>/dev/null | grep -q Compaq; then
1394 cc_type=ccc
1395 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
03754fcd 1396 debuglevel=3
df442a8d 1397 add_ldflags -Wl,-z,now # calls to libots crash without this
03e37762
MR
1398elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1399 test -d "$sysroot" || die "No valid sysroot specified."
1400 cc_type=armcc
1401 armcc_conf="$PWD/armcc.conf"
1402 $cc --arm_linux_configure \
1403 --arm_linux_config_file="$armcc_conf" \
1404 --configure_sysroot="$sysroot" \
1405 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1406 die "Error creating armcc configuration file."
1407 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1408 as_default="${cross_prefix}gcc"
629687f6
MR
1409fi
1410
1411test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1412
75800dce
MR
1413set_default as
1414
154d432c
MR
1415if test -n "$sysroot"; then
1416 case "$cc_type" in
1417 gcc)
1418 add_cflags --sysroot="$sysroot"
1419 add_ldflags --sysroot="$sysroot"
1420 ;;
1421 esac
1422fi
1423
993f2d0f
MR
1424# compiler sanity check
1425check_exec <<EOF
1426int main(void){ return 0; }
1427EOF
1428if test "$?" != 0; then
1429 echo "$cc is unable to create an executable file."
1430 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1431 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1432 echo "Only do this if you know what cross compiling means."
1433 fi
1434 die "C compiler test failed."
1435fi
1436
e9b9a2f8 1437check_cflags -std=c99
9d821fc2
DB
1438check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1439#include <stdlib.h>
1440EOF
1441check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1442#include <stdlib.h>
1443EOF
e9b9a2f8 1444
b24dbcbd 1445case "$arch" in
b24dbcbd
RP
1446 alpha)
1447 arch="alpha"
1448 enable fast_64bit
c0a02a3e 1449 check_cflags -mieee
b24dbcbd 1450 ;;
cfdb6148
MR
1451 arm|armv[4567]*l)
1452 arch="arm"
b24dbcbd 1453 ;;
f4870943
MR
1454 avr32)
1455 ;;
cfdb6148
MR
1456 bfin)
1457 arch="bfin"
1458 ;;
1459 ia64)
1460 arch="ia64"
b24dbcbd 1461 enable fast_64bit
cfdb6148
MR
1462 ;;
1463 m68k)
1464 arch="m68k"
b24dbcbd 1465 ;;
de3a1240 1466 mips|mipsel|IP*)
b24dbcbd
RP
1467 arch="mips"
1468 ;;
de3a1240
DB
1469 mips64)
1470 arch="mips"
1471 enable fast_64bit
1472 ;;
61597a98 1473 parisc|hppa)
b24dbcbd
RP
1474 arch="parisc"
1475 ;;
61597a98 1476 parisc64|hppa64)
b24dbcbd
RP
1477 arch="parisc"
1478 enable fast_64bit
1479 ;;
cfdb6148
MR
1480 "Power Macintosh"|ppc|powerpc)
1481 arch="ppc"
1482 enable fast_unaligned
1483 ;;
1484 ppc64)
1485 arch="ppc"
1486 enable fast_64bit
1487 enable fast_unaligned
1488 ;;
b24dbcbd
RP
1489 s390|s390x)
1490 arch="s390"
1491 ;;
cfdb6148
MR
1492 sh4|sh)
1493 arch="sh4"
b24dbcbd 1494 ;;
cfdb6148
MR
1495 sparc)
1496 arch="sparc"
1497 ;;
1498 sun4u|sparc64)
1499 arch="sparc"
1500 subarch="sparc64"
b24dbcbd
RP
1501 enable fast_64bit
1502 ;;
cfdb6148
MR
1503 i386|i486|i586|i686|i86pc|BePC)
1504 arch="x86"
1505 subarch="x86_32"
1506 enable fast_unaligned
1507 ;;
1508 x86_64|amd64)
1509 arch="x86"
1510 subarch="x86_32"
1511 enable cmov
1512 enable fast_cmov
1513 enable fast_unaligned
1514 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1515 int test[sizeof(char*) - 7];
1516EOF
b24dbcbd
RP
1517 ;;
1518 *)
1519 arch="unknown"
1520 ;;
1521esac
1522
62045d48 1523enable $arch $subarch
b24dbcbd 1524
7483e694 1525# OS specific
4f854758 1526case $target_os in
7483e694 1527 beos|haiku|zeta)
c9d19248 1528 prefix_default="$HOME/config"
7483e694 1529 # helps building libavcodec
0f010b2f 1530 add_cflags -DPIC -fomit-frame-pointer
7483e694 1531 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 1532 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
1533 case "$gcc_version" in
1534 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1535 disable mmx
1536 ;;
1537 *20010315*) echo "BeBits gcc"
0f010b2f 1538 add_cflags -fno-expensive-optimizations
7483e694
DB
1539 ;;
1540 esac
7483e694
DB
1541 SHFLAGS=-nostart
1542 # enable BeOS things
1543 enable audio_beos
1544 # no need for libm, but the inet stuff
1545 # Check for BONE
1546 # XXX: actually should check for NOT net_server
78fe7631 1547 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1548 network_extralibs="-lbind -lsocket"
1549 else
1550 enable beos_netserver
1551 network_extralibs="-lnet"
1552 fi ;;
1553 sunos)
1554 FFSERVERLDFLAGS=""
9987769a 1555 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1556 network_extralibs="-lsocket -lnsl"
e193c74e 1557 add_cflags -D__EXTENSIONS__
7483e694
DB
1558 ;;
1559 netbsd)
1560 oss_demuxer_extralibs="-lossaudio"
1561 oss_muxer_extralibs="-lossaudio"
1562 ;;
1563 openbsd)
1564 disable need_memalign
1565 LIBOBJFLAGS='$(PIC)'
7483e694 1566 SHFLAGS='-shared'
7483e694
DB
1567 oss_demuxer_extralibs="-lossaudio"
1568 oss_muxer_extralibs="-lossaudio"
1569 ;;
1570 freebsd)
1571 disable need_memalign
1572 ;;
1573 bsd/os)
1574 osextralibs="-lpoll -lgnugetopt"
1575 strip="strip -d"
1576 ;;
1577 darwin)
1578 disable need_memalign
0138c54e 1579 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
1580 strip="strip -x"
1581 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1582 SLIBSUF=".dylib"
1583 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1584 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1585 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1586 objformat="macho"
1b0f6fb8 1587 enabled x86_64 && objformat="macho64"
7483e694
DB
1588 ;;
1589 mingw32*)
4f854758 1590 target_os=mingw32
dcc01c06 1591 LIBTARGET=i386
1fc9fb8a 1592 if enabled x86_64; then
dcc01c06
RP
1593 disable need_memalign
1594 LIBTARGET=x64
1595 fi
fbd971a4 1596 shlibdir_default="$bindir_default"
7483e694
DB
1597 disable ffserver
1598 SLIBPREF=""
1599 SLIBSUF=".dll"
7483e694
DB
1600 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1601 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 1602 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1603 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1604 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1605 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1606 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1607 objformat="win32"
bc574408 1608 enable dos_paths
b1549d61 1609 if ! enabled x86_64; then
f7ad5aa2
RP
1610 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1611 die "ERROR: MinGW runtime version must be >= 3.15."
1612 enabled_any avisynth vfwcap_demuxer &&
1613 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1614 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1615 fi
7483e694
DB
1616 ;;
1617 cygwin*)
4f854758 1618 target_os=cygwin
fbd971a4 1619 shlibdir_default="$bindir_default"
7483e694
DB
1620 SLIBPREF="cyg"
1621 SLIBSUF=".dll"
1622 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1623 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1624 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1625 objformat="win32"
bc574408 1626 enable dos_paths
7483e694 1627 ;;
4f365f37 1628 *-dos|freedos|opendos)
fdf11906 1629 disable ffplay ffserver
4f365f37
MK
1630 disable $INDEV_LIST $OUTDEV_LIST
1631 network_extralibs="-lsocket"
ff1c015d 1632 objformat="coff"
bc574408 1633 enable dos_paths
4f365f37 1634 ;;
7483e694 1635 linux)
7483e694
DB
1636 enable dv1394
1637 ;;
1638 irix*)
4f854758 1639 target_os=irix
7483e694
DB
1640 ranlib="echo ignoring ranlib"
1641 ;;
d22e8442 1642 os/2*)
d22e8442
DY
1643 strip="lxlite"
1644 ln_s="cp -f"
d22e8442 1645 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1646 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1647 FFSERVERLDFLAGS=""
287d3b13 1648 LIBSUF="_s.a"
d22e8442
DY
1649 SLIBPREF=""
1650 SLIBSUF=".dll"
1651 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1652 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1653 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1654 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1655 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1656 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1657 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1658 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1659 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1660 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1661 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1662 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 1663 enable dos_paths
d22e8442
DY
1664 ;;
1665
7483e694 1666 *)
4f924f9a 1667 die "Unknown OS '$target_os'."
7483e694
DB
1668 ;;
1669esac
1670
c9d19248
MR
1671set_default $PATHS_LIST
1672
c597172e 1673add_extralibs $osextralibs
de6d9b64 1674
28d8e661
DB
1675# Combine FFLDFLAGS and the LDFLAGS environment variable.
1676LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1677
320d060a 1678# we need to build at least one lib type
93b3c083 1679if ! enabled_any static shared; then
320d060a
DB
1680 cat <<EOF
1681At least one library type must be built.
1682Specify --enable-static to build the static libraries or --enable-shared to
1683build the shared libraries as well. To only build the shared libraries specify
1684--disable-static in addition to --enable-shared.
1685EOF
1686 exit 1;
1687fi
1688
abc4e572 1689disabled static && LIBNAME=""
2a320695 1690
a2234ceb
RP
1691if enabled_any libfaad libfaadbin ; then
1692 if check_header faad.h; then
295b8c70 1693 check_cc <<EOF
a2234ceb
RP
1694#include <faad.h>
1695#ifndef FAAD2_VERSION
1696ok faad1
1697#endif
db817cf3 1698int main(void) { return 0; }
a2234ceb
RP
1699EOF
1700 test $? = 0 && enable libfaad2
1701 else
ff3dac65 1702 die "FAAD test failed."
a2234ceb
RP
1703 fi
1704fi
1705
1706
93b3c083 1707if ! enabled gpl; then
54118497
RP
1708 die_gpl_disabled(){
1709 name=$1
1710 shift
1711 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1712 }
4a24ab64 1713 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1714 die_gpl_disabled "libx264" libx264
1715 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1716 die_gpl_disabled "FAAD2" libfaad2
1717 die_gpl_disabled "The X11 grabber" x11grab
ebb810d9 1718fi
b2e3c528 1719
3fe142e2
DB
1720if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1721 die "libamr is nonfree and --enable-nonfree is not specified."
1722fi
1723
9eeed841 1724check_deps $ARCH_EXT_LIST
0f3cb305 1725
5d323602
MR
1726test -z "$need_memalign" && need_memalign="$mmx"
1727
cf9d24ad 1728#Darwin CC versions
4f854758 1729if test $target_os = darwin; then
629687f6 1730 if enabled xlc; then
0f010b2f 1731 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1732 else
0f010b2f
DB
1733 add_cflags -pipe
1734 check_cflags -force_cpusubtype_ALL
1735 check_cflags -Wno-sign-compare
f946a9a4 1736 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1737 fi
2a1a6b64
MN
1738fi
1739
40617a6d 1740disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1741
a4adb608 1742# Add processor-specific flags
38d0a8aa 1743if test $cpu != "generic"; then
bc8ec47b
MR
1744 warn_altivec(){
1745 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1746 }
38d0a8aa 1747 case $cpu in
bb270c08 1748 601|ppc601|PowerPC601)
0f010b2f 1749 add_cflags -mcpu=601
bc8ec47b 1750 warn_altivec enabled PPC601
bb270c08
DB
1751 ;;
1752 603*|ppc603*|PowerPC603*)
0f010b2f 1753 add_cflags -mcpu=603
bc8ec47b 1754 warn_altivec enabled PPC603
bb270c08
DB
1755 ;;
1756 604*|ppc604*|PowerPC604*)
0f010b2f 1757 add_cflags -mcpu=604
bc8ec47b 1758 warn_altivec enabled PPC604
bb270c08
DB
1759 ;;
1760 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1761 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1762 warn_altivec enabled PPC75x
bb270c08
DB
1763 ;;
1764 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1765 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1766 warn_altivec disabled PPC745x
bb270c08
DB
1767 ;;
1768 74*|ppc74*|PowerPC74*)
0f010b2f 1769 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1770 warn_altivec disabled PPC74xx
bb270c08
DB
1771 ;;
1772 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1773 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1774 warn_altivec disabled PPC970
9cafbd6c 1775 enable ppc64
bb270c08 1776 ;;
e07e357d 1777 Cell|CELL|cell)
0f010b2f 1778 add_cflags -mcpu=cell
e07e357d 1779 warn_altivec disabled Cell
9cafbd6c 1780 enable ppc64
e07e357d 1781 ;;
e7768fc5
GP
1782 # targets that do NOT support conditional mov (cmov)
1783 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1784 add_cflags -march=$cpu
497237c7 1785 disable cmov
e7768fc5
GP
1786 ;;
1787 # targets that do support conditional mov (cmov)
416519dd 1788 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1789 add_cflags -march=$cpu
497237c7
RP
1790 enable cmov
1791 enable fast_cmov
94e4c3a3
GP
1792 ;;
1793 # targets that do support conditional mov but on which it's slow
800a5a19 1794 pentium4|pentium4m|prescott|nocona)
0f010b2f 1795 add_cflags -march=$cpu
497237c7
RP
1796 enable cmov
1797 disable fast_cmov
bb270c08 1798 ;;
d7b34d08 1799 sparc64)
0f010b2f 1800 add_cflags -mcpu=v9
d7b34d08 1801 ;;
f2e49553 1802 arm11*|cortex*)
0f010b2f 1803 add_cflags -mcpu=$cpu
f2e49553
MR
1804 enable fast_unaligned
1805 ;;
0223bd6f 1806 armv*)
0f010b2f 1807 add_cflags -march=$cpu
0223bd6f 1808 ;;
f2e49553 1809 arm*)
0f010b2f 1810 add_cflags -mcpu=$cpu
6b19786b 1811 ;;
1cd11856 1812 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
df442a8d 1813 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1cd11856 1814 ;;
bb270c08 1815 *)
7483e694 1816 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1817 ;;
a4adb608
MN
1818 esac
1819fi
1820
b4d96ba2
MR
1821check_cc <<EOF || die "Symbol mangling check failed."
1822int ff_extern;
1823EOF
2f05d9c1 1824sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1825extern_prefix=${sym%%ff_extern*}
1826
f65883c8
MR
1827check_cc <<EOF && enable inline_asm
1828void foo(void) { __asm__ volatile ("" ::); }
1829EOF
61d251db 1830
9eeed841 1831if enabled x86; then
44965991
PI
1832 # check whether EBP is available on x86
1833 # As 'i' is stored on the stack, this program will crash
1834 # if the base pointer is used to access it because the
1835 # base pointer is cleared in the inline assembly code.
7dfef245 1836 check_exec_crash <<EOF && enable ebp_available
44965991 1837 volatile int i=0;
be449fca 1838 __asm__ volatile (
44965991
PI
1839 "xorl %%ebp, %%ebp"
1840 ::: "%ebp");
1841 return i;
44965991
PI
1842EOF
1843
1844 # check wether EBX is available on x86
940f335a 1845 check_asm ebx_available '"":::"%ebx"'
8e380710 1846
d3a4b4e0
DB
1847 # check whether more than 10 operands are supported
1848 check_cc <<EOF && enable ten_operands
1849int main(void) {
1850 int x=0;
1851 __asm__ volatile(
1852 ""
1853 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1854 );
1855 return 0;
1856}
1857EOF
1858
d7f0920b 1859 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1860 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 1861 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
1862
1863 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1864
d52481b9 1865 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1866 enabled x86_64 && append YASMFLAGS "-m amd64"
1867 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1868 case "$objformat" in
1869 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1870 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1871 *) append YASMFLAGS "-DPREFIX" ;;
1872 esac
7595a5e4 1873 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1874fi
1875
87ea51e0
LB
1876# check for assembler specific support
1877
5b6c2cbd 1878enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1879enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1880
57bd82d4
MR
1881# check for SIMD availability
1882
115329f1 1883# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1884if enabled altivec; then
3ed1a2ee
DB
1885 check_cflags -maltivec -mabi=altivec &&
1886 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1887 check_cflags -faltivec
b6e52719 1888
0182fee8 1889 # check if our compiler supports Motorola AltiVec C API
497237c7 1890 check_cc <<EOF || disable altivec
dcd479c0 1891$inc_altivec_h
a9a07762
MN
1892int main(void) {
1893 vector signed int v1, v2, v3;
1894 v1 = vec_add(v2,v3);
1895 return 0;
1896}
1897EOF
b006b26c
DB
1898
1899 # check if our compiler supports braces for vector declarations
80a61f08 1900 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1901$inc_altivec_h
80a61f08 1902int main (void) { (vector int) {1}; return 0; }
b006b26c 1903EOF
a9a07762 1904fi
ab6c65f6 1905
b4e806b2 1906# We have to check if pld is a nop and disable it.
a2fc0f6a 1907enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1908enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1909enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1910enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1911enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1912enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1913enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1914enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1915enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1916
0f010b2f 1917enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1918
57bd82d4
MR
1919# ---
1920# big/little-endian test
9eebe687
MR
1921check_cc <<EOF || die "endian test failed"
1922unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1923EOF
d04d9e16 1924od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1925
a3999908 1926# ---
3d204385
NK
1927# check availability of some header files
1928
a98bb16d
RP
1929if check_func dlopen; then
1930 ldl=
1931elif check_func dlopen -ldl; then
1932 ldl=-ldl
8bf5d58f
MN
1933fi
1934
75ecf149
DB
1935# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1936check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1937
7483e694
DB
1938check_func fork
1939check_func gethrtime
1940check_func getrusage
094c09bb 1941check_func inet_aton $network_extralibs
7483e694
DB
1942check_func memalign
1943check_func mkstemp
1f91cdce 1944check_func posix_memalign
b507ebd1 1945check_func_headers io.h setmode
2446d3d6 1946check_func_headers windows.h GetProcessTimes
6ffa87d3 1947
e16e49ac 1948check_header conio.h
a98bb16d
RP
1949check_header dlfcn.h
1950check_header malloc.h
bf6ce82d 1951check_header poll.h
b58412f1 1952check_header sys/mman.h
b091aa44 1953check_header sys/resource.h
bf6ce82d 1954check_header sys/select.h
a98bb16d 1955check_header termios.h
272081b0
CEH
1956check_header vdpau/vdpau.h
1957check_header vdpau/vdpau_x11.h
68178ca9 1958check_header X11/extensions/XvMClib.h
a98bb16d 1959
1f91cdce
RP
1960if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1961 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1962fi
e16e49ac 1963
a4fa192c 1964disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1965disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1966
1967# check for some common methods of building with pthread support
1968# do this before the optional library checks as some of them require pthreads
1969if enabled pthreads; then
9e7fd101
MR
1970 if check_func pthread_create; then
1971 :
1972 elif check_func pthread_create -pthread; then
1973 add_cflags -pthread
afc9aee2 1974 add_extralibs -pthread
9e7fd101
MR
1975 elif check_func pthread_create -pthreads; then
1976 add_cflags -pthreads
afc9aee2 1977 add_extralibs -pthreads
8d94f606
GT
1978 elif check_func pthread_create -lpthreadGC2; then
1979 add_extralibs -lpthreadGC2
9e7fd101
MR
1980 elif ! check_lib pthread.h pthread_create -lpthread; then
1981 die "ERROR: can't find pthreads library"
1982 fi
57bd82d4
MR
1983fi
1984
8eee7025 1985for thread in $THREADS_LIST; do
e5f94c2b 1986 if enabled $thread; then
3ae3b721
RP
1987 test -n "$thread_type" &&
1988 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1989 thread_type="$thread"
e5f94c2b
RP
1990 fi
1991done
1992
fdf88598
MR
1993check_lib math.h sin -lm
1994
a33cab3a 1995# test for C99 functions in math.h
7b04b8a0 1996for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 1997 check_exec <<EOF && enable $func || disable $func
f32adb22 1998#include <math.h>
a33cab3a 1999int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 2000EOF
a33cab3a 2001done
f32adb22 2002
57bd82d4 2003# these are off by default, so fail if requested and not available
79fda097 2004enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
2005enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2006enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 2007enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
2008 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2009 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
2010enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2011enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2012enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2013enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2014enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
3d6fac8c 2015enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2016enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2017 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2018enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
2019enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2020enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 2021enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
2022 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2023 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 2024enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2025enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2026
0b4a1821
AS
2027# libdc1394 check
2028if enabled libdc1394; then
2029 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2030 enable libdc1394_2; } ||
2031 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2032 enable libdc1394_1; } ||
2033 die "ERROR: No version of libdc1394 found "
2034fi
2035
2036
c13e1abd
FH
2037_restrict=
2038for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 2039 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
2040void foo(char * $restrict_keyword p);
2041EOF
c13e1abd
FH
2042done
2043
a86b921c 2044##########################################
29799f8b 2045# SDL check
a86b921c 2046
497237c7
RP
2047disable sdl_too_old
2048disable sdl
6a1a892f 2049SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2050if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2051 sdl_cflags=$("${SDL_CONFIG}" --cflags)
225e21ef 2052 temp_cflags $sdl_cflags
5e622c40 2053 temp_extralibs $("${SDL_CONFIG}" --libs)
1ca5d97f 2054 if check_lib2 SDL.h SDL_Init; then
5e622c40 2055 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
29f3b38a 2056 if test "$_sdlversion" -lt 121 ; then
497237c7 2057 enable sdl_too_old
dcd479c0 2058 else
497237c7 2059 enable sdl
225e21ef 2060 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2061#include <SDL.h>
d6773f56 2062int main(int argc, char **argv){
29f3b38a
MR
2063 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2064 int w = vi->current_w;
2065 return 0;
2066}
2067EOF
dcd479c0
MR
2068 fi
2069 fi
29f3b38a 2070 restore_flags
c3f6b472 2071fi
57bd82d4 2072
2270b4b2 2073texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2074
7a91333f 2075##########################################
73b46a95
RP
2076# Network check
2077
2078if enabled network; then
96000432 2079 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2080 # Prefer arpa/inet.h over winsock2
2081 if check_header arpa/inet.h ; then
2082 check_func closesocket
2083 elif check_header winsock2.h ; then
ea10ddde 2084 network_extralibs="-lws2_32"
72be9e73 2085 check_type ws2tcpip.h socklen_t
2446d3d6 2086 check_func_headers winsock2.h closesocket
73b46a95
RP
2087 fi
2088fi
2089
2090##########################################
29799f8b 2091# IPv6 check
7a91333f 2092
497237c7 2093enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2094#include <sys/types.h>
2095#include <sys/socket.h>
2096#include <netinet/in.h>
2097#include <netdb.h>
db817cf3 2098int main(void) {
7483e694
DB
2099 struct sockaddr_storage saddr;
2100 struct ipv6_mreq mreq6;
2101 getaddrinfo(0,0,0,0);
2102 getnameinfo(0,0,0,0,0,0,0);
2103 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2104}
2105EOF
2106
06e31011
RP
2107check_header linux/videodev.h
2108check_header linux/videodev2.h
1b6e8b73 2109check_header sys/videoio.h
47f38850 2110
2446d3d6 2111check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2112
f8aa696f 2113# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2114{ check_header dev/bktr/ioctl_meteor.h &&
2115 check_header dev/bktr/ioctl_bt848.h; } ||
2116{ check_header machine/ioctl_meteor.h &&
2117 check_header machine/ioctl_bt848.h; } ||
2118{ check_header dev/video/meteor/ioctl_meteor.h &&
2119 check_header dev/video/bktr/ioctl_bt848.h; } ||
2120check_header dev/ic/bt8xx.h
f8aa696f 2121
c7682de0
RP
2122check_header sys/soundcard.h
2123check_header soundcard.h
deb29777 2124
35fd8122
NG
2125check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2126
7483e694 2127# deal with the X11 frame grabber
56a059ac 2128enabled x11grab &&
f58f4ce1
GP
2129check_header X11/Xlib.h &&
2130check_header X11/extensions/XShm.h &&
2131check_func XOpenDisplay -lX11 &&
06eab4ba 2132check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2133
40bcf4c7 2134enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2135
2136# add some useful compiler flags if supported
2137check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2138check_cflags -Wall
2139check_cflags -Wno-switch
c07bd6a9
MN
2140check_cflags -Wdisabled-optimization
2141check_cflags -Wpointer-arith
2142check_cflags -Wredundant-decls
cc1fb623 2143check_cflags -Wno-pointer-sign
f4929996 2144check_cflags -Wcast-qual
9aceb3cf 2145check_cflags -Wwrite-strings
652a5bf6 2146check_cflags -Wtype-limits
764551c6 2147check_cflags -Wundef
5af4e0cc 2148enabled extra_warnings && check_cflags -Winline
cf9d24ad 2149
57bd82d4 2150# add some linker flags
5c0e9479 2151check_ldflags -Wl,--warn-common
8351d2ba
DB
2152check_ldflags -Wl,--as-needed
2153check_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 2154check_ldflags -Wl,-Bsymbolic
94a3401e 2155
bd2216e4
MR
2156if enabled small; then
2157 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2158 optimizations="small"
2159elif enabled optimizations; then
629687f6 2160 if enabled xlc; then
0f010b2f
DB
2161 add_cflags -O5
2162 add_ldflags -O5
df442a8d
MR
2163 elif enabled ccc; then
2164 add_cflags -fast
cf9d24ad 2165 else
0f010b2f 2166 add_cflags -O3
cf9d24ad 2167 fi
cddf3f45 2168fi
11fdbc44 2169check_cflags -fno-math-errno
b2eb2ff0 2170check_cflags -fno-signed-zeros
cddf3f45 2171
504a64b9 2172# add some flags for Intel C Compiler
629687f6 2173if enabled icc; then
b1598b58
MR
2174 # Just warnings, no remarks
2175 check_cflags -w1
2176 # -wd: Disable following warnings
2177 # 144, 167, 556: -Wno-pointer-sign
2178 # 10006: ignoring unknown option -fno-signed-zeros
2179 # 10156: ignoring option '-W'; no argument required
2180 check_cflags -wd144,167,556,10006,10156
2181 # 11030: Warning unknown option --as-needed
2182 # 10156: ignoring option '-export'; no argument required
2183 check_ldflags -wd10156,11030
2184 # Allow to compile with optimizations
2185 check_ldflags -march=$cpu
be2cf98a
CEH
2186 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2187 enable ebp_available
df442a8d
MR
2188elif enabled ccc; then
2189 # disable some annoying warnings
2190 add_cflags -msg_disable cvtu32to64
2191 add_cflags -msg_disable embedcomment
2192 add_cflags -msg_disable needconstext
2193 add_cflags -msg_disable nomainieee
2194 add_cflags -msg_disable ptrmismatch1
2195 add_cflags -msg_disable unreachcode
504a64b9
CEH
2196fi
2197
80581e98 2198# PIC flags for shared library objects where they are needed
5af4e0cc 2199if enabled shared; then
569cb218
MR
2200 # LIBOBJFLAGS may have already been set in the OS configuration
2201 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2202 case "${subarch-$arch}" in
b6bd7268 2203 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2204 esac
2205 fi
80581e98
MN
2206fi
2207
90be59ef 2208if enabled gprof; then
0f010b2f
DB
2209 add_cflags -p
2210 add_ldflags -p
1db54e20
DB
2211fi
2212
7f3c02fc 2213# Find out if the .align argument is a power of two or not.
9377b6ce 2214check_asm asmalign_pot '".align 3"'
4454dc1b 2215
7483e694
DB
2216enabled_any $DECODER_LIST && enable decoders
2217enabled_any $ENCODER_LIST && enable encoders
2218enabled_any $BSF_LIST && enable bsfs
2219enabled_any $DEMUXER_LIST && enable demuxers
2220enabled_any $MUXER_LIST && enable muxers
f7679c54 2221enabled_any $FILTER_LIST && enable filters
7483e694
DB
2222enabled_any $INDEV_LIST && enable demuxers
2223enabled_any $OUTDEV_LIST && enable muxers
2224enabled_any $PROTOCOL_LIST && enable protocols
2225
2226enabled_any $THREADS_LIST && enable threads
2227
2228check_deps $CONFIG_LIST \
b6bb00b0 2229 $CONFIG_EXTRA \
7483e694
DB
2230 $HAVE_LIST \
2231 $DECODER_LIST \
2232 $ENCODER_LIST \
2233 $PARSER_LIST \
2234 $BSF_LIST \
2235 $DEMUXER_LIST \
2236 $MUXER_LIST \
f7679c54 2237 $FILTER_LIST \
7483e694
DB
2238 $INDEV_LIST \
2239 $OUTDEV_LIST \
2240 $PROTOCOL_LIST \
f70f03f6 2241
3e89171a 2242echo "install prefix $prefix"
f36958f8
DB
2243echo "source path $source_path"
2244echo "C compiler $cc"
bfd5afd8 2245echo ".align is power-of-two $asmalign_pot"
f36958f8 2246echo "ARCH $arch ($cpu)"
ce8871c2
MR
2247if test "$build_suffix" != ""; then
2248 echo "build suffix $build_suffix"
eb94aca9 2249fi
ac63af34
DB
2250if test "$extra_version" != ""; then
2251 echo "version string suffix $extra_version"
2252fi
0db2ce77 2253echo "big-endian ${bigendian-no}"
5b6c2cbd 2254if enabled x86; then
af44e8e4 2255 echo "yasm ${yasm-no}"
0db2ce77 2256 echo "MMX enabled ${mmx-no}"
30e98e62 2257 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2258 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2259 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2260 echo "SSE enabled ${sse-no}"
30e98e62 2261 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2262 echo "CMOV enabled ${cmov-no}"
2263 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2264 echo "EBX available ${ebx_available-no}"
2265 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2266 echo "10 operands supported ${ten_operands-no}"
e41e8342 2267fi
5b6c2cbd 2268if enabled arm; then
0db2ce77
MR
2269 echo "ARMv5TE enabled ${armv5te-no}"
2270 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2271 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2272 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2273 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2274 echo "NEON enabled ${neon-no}"
eba9ae3c 2275fi
5b6c2cbd 2276if enabled mips; then
0db2ce77 2277 echo "MMI enabled ${mmi-no}"
e41e8342 2278fi
5b6c2cbd 2279if enabled ppc; then
0db2ce77 2280 echo "AltiVec enabled ${altivec-no}"
30e98e62 2281 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2282 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2283 echo "performance report ${powerpc_perf-no}"
2284fi
2285if enabled sparc; then
2286 echo "VIS enabled ${vis-no}"
e41e8342 2287fi
0db2ce77
MR
2288echo "gprof enabled ${gprof-no}"
2289echo "debug symbols ${debug-no}"
87a0fb62 2290echo "strip symbols ${stripping-no}"
8400d6b8 2291echo "optimizations ${optimizations-no}"
0db2ce77
MR
2292echo "static ${static-no}"
2293echo "shared ${shared-no}"
4a24ab64 2294echo "postprocessing support ${postproc-no}"
f7679c54 2295echo "new filter support ${avfilter-no}"
81124ba0 2296echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2297echo "network support ${network-no}"
90be59ef 2298if enabled network; then
0db2ce77 2299 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2300fi
0db2ce77
MR
2301echo "threading support ${thread_type-no}"
2302echo "SDL support ${sdl-no}"
90be59ef 2303if enabled sdl_too_old; then
bfd5afd8
DB
2304 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2305fi
0db2ce77
MR
2306echo "Sun medialib support ${mlib-no}"
2307echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2308echo "libamr-nb support ${libamr_nb-no}"
2309echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2310echo "libdc1394 support ${libdc1394-no}"
690bfceb 2311echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2312echo "libfaac enabled ${libfaac-no}"
2313echo "libfaad enabled ${libfaad-no}"
7e0871a7 2314echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2315echo "libgsm enabled ${libgsm-no}"
2316echo "libmp3lame enabled ${libmp3lame-no}"
2317echo "libnut enabled ${libnut-no}"
9a77d59a 2318echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2319echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2320echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2321echo "libtheora enabled ${libtheora-no}"
2322echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2323echo "libx264 enabled ${libx264-no}"
2324echo "libxvid enabled ${libxvid-no}"
0db2ce77 2325echo "zlib enabled ${zlib-no}"
f402916e 2326echo "bzlib enabled ${bzlib-no}"
2c62e737 2327echo
de6d9b64 2328
f7679c54 2329for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2330 echo "Enabled ${type}s:"
f65c9da1 2331 eval list=\$$(toupper $type)_LIST
8138b9db 2332 for part in $list; do
f65c9da1
MR
2333 enabled $part && echo ${part%_*}
2334 done | sort | pr -3 -t
2335 echo
8138b9db
RP
2336done
2337
ba321adb
JK
2338license="LGPL"
2339if enabled nonfree; then
2340 license="unredistributable"
2341elif enabled gpl; then
2342 license="GPL"
2343fi
2344
2345echo "License: $license"
ca5323af 2346
cf1392e9
DB
2347echo "Creating config.mak and config.h..."
2348
29799f8b
DB
2349echo "# Automatically generated by configure - do not modify!" > config.mak
2350echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2351echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2352echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2353echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2354echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2355
d921f03f 2356echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2357echo "prefix=$prefix" >> config.mak
22a324da
DB
2358echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2359echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2360echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2361echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2362echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2363echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2364echo "CC=$cc" >> config.mak
313c46a6 2365echo "AS=$as" >> config.mak
304d586d 2366echo "YASM=$yasmexe" >> config.mak
980fc7b8 2367echo "AR=$ar" >> config.mak
be7109c1 2368echo "RANLIB=$ranlib" >> config.mak
20369773 2369echo "LN_S=$ln_s" >> config.mak
87a0fb62 2370enabled stripping &&
3ae3b721 2371 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2372 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2373
a9b3f630 2374echo "OPTFLAGS=$CFLAGS" >> config.mak
0f3cb305 2375echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2376echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2377echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2378echo "YASMFLAGS=$YASMFLAGS" >> config.mak
80581e98 2379echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2380echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2381echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2382echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2383echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2384echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2385echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2386echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2387echo "SLIBSUF=$SLIBSUF" >> config.mak
2388echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2389echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2390echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2391echo "HOSTCC=$host_cc" >> config.mak
2392echo "HOSTCFLAGS=$host_cflags" >> config.mak
82bb3329 2393echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
9da6609f
MR
2394echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2395echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2396echo "TARGET_EXEC=$target_exec" >> config.mak
2397echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2398
90be59ef 2399if enabled bigendian; then
7483e694
DB
2400 echo "WORDS_BIGENDIAN=yes" >> config.mak
2401 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2402fi
44161118 2403
90be59ef 2404if enabled sdl; then
5e622c40
DB
2405 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2406 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
a86b921c 2407fi
90be59ef 2408if enabled texi2html; then
7483e694 2409 echo "BUILD_DOC=yes" >> config.mak
146ea952 2410fi
5a872801 2411
719c8e00
MR
2412get_version(){
2413 name=$1
2414 file=$source_path/$2
147e7692
MR
2415 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2416 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2417 lcname=$(tolower $name)
2418 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2419 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2420}
2421
147e7692
MR
2422get_version LIBSWSCALE libswscale/swscale.h
2423get_version LIBPOSTPROC libpostproc/postprocess.h
2424get_version LIBAVCODEC libavcodec/avcodec.h
2425get_version LIBAVDEVICE libavdevice/avdevice.h
2426get_version LIBAVFORMAT libavformat/avformat.h
2427get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2428get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2429
5af4e0cc 2430if enabled shared; then
7483e694
DB
2431 echo "BUILD_SHARED=yes" >> config.mak
2432 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2433 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2434 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2435 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2436 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2437 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2438 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2439 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2440 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2441fi
d7e27559 2442echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2443echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2444
7b5e8a27
DB
2445echo "ARCH=$arch" >> config.mak
2446
3d907e22
MR
2447print_config ARCH_ $TMPH config.mak $ARCH_LIST
2448print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2449print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2450 $CONFIG_EXTRA \
7483e694
DB
2451 $DECODER_LIST \
2452 $ENCODER_LIST \
2453 $PARSER_LIST \
2454 $BSF_LIST \
2455 $DEMUXER_LIST \
2456 $MUXER_LIST \
f7679c54 2457 $FILTER_LIST \
7483e694
DB
2458 $PROTOCOL_LIST \
2459 $INDEV_LIST \
2460 $OUTDEV_LIST \
8ac17293 2461
c13e1abd
FH
2462echo "#define restrict $_restrict" >> $TMPH
2463
bd2216e4 2464if enabled small; then
7483e694 2465 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2466fi
2467
997baf01
MR
2468echo "SRC_PATH=\"$source_path\"" >> config.mak
2469echo "SRC_PATH_BARE=$source_path" >> config.mak
2470echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2471
8156056e 2472# Apparently it's not possible to portably echo a backslash.
3ae3b721 2473enabled asmalign_pot &&
7483e694 2474 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2475 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2476
b4d96ba2 2477echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2478
9c05103f
DB
2479echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2480
b7860763 2481# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2482cmp -s $TMPH config.h &&
2483 echo "config.h is unchanged" ||
2484 mv -f $TMPH config.h
3d204385 2485
165af439 2486# build tree in object directory if source path is different from current one
90be59ef 2487if enabled source_path_used; then
165af439 2488 DIRS="\
7483e694
DB
2489 doc \
2490 libavcodec \
2491 libavcodec/alpha \
a2fc0f6a 2492 libavcodec/arm \
7483e694 2493 libavcodec/bfin \
7483e694
DB
2494 libavcodec/mlib \
2495 libavcodec/ppc \
2496 libavcodec/sh4 \
2497 libavcodec/sparc \
a6493a8f 2498 libavcodec/x86 \
52a9cf34 2499 libavdevice \
f7679c54 2500 libavfilter \
7483e694
DB
2501 libavformat \
2502 libavutil \
2503 libpostproc \
2504 libswscale \
2505 tests \
2506 tools \
7483e694 2507 "
165af439 2508 FILES="\
7483e694
DB
2509 Makefile \
2510 common.mak \
71c61f62 2511 subdir.mak \
7483e694
DB
2512 doc/texi2pod.pl \
2513 libavcodec/Makefile \
52a9cf34 2514 libavdevice/Makefile \
f7679c54 2515 libavfilter/Makefile \
7483e694
DB
2516 libavformat/Makefile \
2517 libavutil/Makefile \
2518 libpostproc/Makefile \
2519 libswscale/Makefile \
2520 "
165af439 2521 for dir in $DIRS ; do
7483e694 2522 mkdir -p $dir
165af439
MR
2523 done
2524 for f in $FILES ; do
20369773 2525 $ln_s "$source_path/$f" $f
165af439
MR
2526 done
2527fi
def4272a 2528
def4272a 2529
d0674868 2530# build pkg-config files
def4272a 2531
d0674868
DB
2532pkgconfig_generate(){
2533name=$1
b0dfd108 2534shortname=${name#lib}${build_suffix}
d0674868
DB
2535comment=$2
2536version=$3
2537libs=$4
2538requires=$5
25cd5cb3 2539cat <<EOF > $name/$name.pc
3e89171a 2540prefix=$prefix
a94e666c 2541exec_prefix=\${prefix}
f2b7382c 2542libdir=$libdir
7622778e 2543includedir=$incdir
def4272a 2544
d0674868
DB
2545Name: $name
2546Description: $comment
2547Version: $version
5dcfe9f8
AH
2548Requires: $(disabled shared && echo $requires)
2549Requires.private: $(enabled shared && echo $requires)
def4272a 2550Conflicts:
12701f6e
AH
2551Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2552Libs.private: $(enabled shared && echo $libs)
76a448ed 2553Cflags: -I\${includedir}
def4272a 2554EOF
25cd5cb3 2555cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2556prefix=
2557exec_prefix=
46d1ff83 2558libdir=\${pcfiledir}
1d44d365 2559includedir=${source_path}
def4272a 2560
d0674868
DB
2561Name: $name
2562Description: $comment
2563Version: $version
2564Requires: $requires
def4272a 2565Conflicts:
12701f6e 2566Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2567Cflags: -I\${includedir}
2568EOF
d0674868 2569}
def4272a 2570
e426941d 2571pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2572pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2573pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2574pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2575enabled avfilter &&
46983309 2576 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2577enabled postproc &&
e426941d 2578 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2579pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"