Use a simpler and more general check for the gray case in the planarCopy function
[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(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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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."
505dfb09
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
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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:"
e6b9d588
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74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
0a23c0bb
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]"
e6b9d588
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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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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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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
c8e9f801
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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
MR
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
a8d04fba
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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
799c9e9b
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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
f9d328da
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
72a43668
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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
44161118
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
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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 = $value ] && return 0
402 done
403 return 1
404}
405
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406check_deps(){
407 for cfg; do
3250003c 408 cfg="${cfg#!}"
799c9e9b
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409 enabled ${cfg}_checking && die "Circular dependency for $cfg."
410 disabled ${cfg}_checking && continue
411 enable ${cfg}_checking
412
30fd06be
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413 eval dep_all="\$${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" >> $header
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446 echo "${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 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
455}
456
dcd479c0 457save_flags(){
57bd82d4 458 flags_saved && return
dcd479c0
MR
459 SAVE_CFLAGS="$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
7c5bfe7a 913 VirtualAlloc
6ff3f3e7 914 winsock2_h
304d586d 915 yasm
0cb78cef 916"
44161118 917
b6bb00b0
MR
918# options emitted with CONFIG_ prefix but not available on command line
919CONFIG_EXTRA="
b6bb00b0
MR
920"
921
520cc7f1 922CMDLINE_SELECT="
3f5b56e5 923 $ARCH_EXT_LIST
520cc7f1 924 $CONFIG_LIST
8eee7025 925 $THREADS_LIST
db6107b6 926 cross_compile
520cc7f1
MR
927 debug
928 extra_warnings
8c6afa4d 929 logging
d2bbb2f7 930 optimizations
87a0fb62 931 stripping
7595a5e4 932 yasm
520cc7f1 933"
426be5dc
DB
934
935PATHS_LIST='
d156bede 936 bindir
14a8acf1 937 datadir
26759c44
MR
938 incdir
939 libdir
26759c44
MR
940 mandir
941 prefix
942 shlibdir
426be5dc
DB
943'
944
945CMDLINE_SET="
946 $PATHS_LIST
947 arch
313c46a6 948 as
426be5dc
DB
949 build_suffix
950 cc
951 cpu
952 cross_prefix
ac63af34 953 extra_version
9da6609f
MR
954 host_cc
955 host_cflags
956 host_ldflags
957 host_libs
82bb3329 958 host_os
426be5dc 959 logfile
89641463 960 nm
26759c44 961 source_path
c5200f17
MR
962 sysinclude
963 sysroot
a7ada2ba 964 target_exec
26759c44 965 target_os
a7ada2ba 966 target_path
426be5dc 967"
520cc7f1 968
912f3148
DB
969# code dependency declarations
970
9eeed841 971# architecture extensions
79cb09b2 972altivec_deps="ppc"
3bf96eec 973amd3dnow_deps="mmx"
a1ef9f08 974amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
975armv5te_deps="arm"
976armv6_deps="arm"
ab5cb084 977armv6t2_deps="arm"
a2fc0f6a
MR
978armvfp_deps="arm"
979iwmmxt_deps="arm"
e241ba14 980mmi_deps="mips"
9eeed841 981mmx_deps="x86"
75aa95a6 982mmx2_deps="mmx"
a2fc0f6a 983neon_deps="arm"
799fde37 984ppc4xx_deps="ppc"
75aa95a6
DB
985sse_deps="mmx"
986ssse3_deps="sse"
bd9d34a0 987vis_deps="sparc"
9eeed841 988
912f3148 989# decoders / encoders
47a158cb 990aac_decoder_select="fft mdct"
d8d12c15 991ac3_decoder_deps="gpl"
47a158cb
MR
992ac3_decoder_select="fft mdct"
993atrac3_decoder_select="fft mdct"
4f034993 994cavs_decoder_select="golomb"
47a158cb 995cook_decoder_select="fft mdct"
2eef7c62 996cscd_decoder_suggest="zlib"
47a158cb 997dca_decoder_select="fft mdct"
e8ed9b7a 998dnxhd_encoder_select="aandct"
2eef7c62 999dxa_decoder_select="zlib"
406ab5cc 1000eac3_decoder_deps="gpl"
47a158cb 1001eac3_decoder_select="fft mdct"
e8ed9b7a 1002eatgq_decoder_select="aandct"
d52b39c7 1003eatqi_decoder_select="aandct"
4f034993
MR
1004ffv1_decoder_select="golomb"
1005flac_decoder_select="golomb"
1006flac_encoder_select="golomb"
2eef7c62
AJ
1007flashsv_decoder_select="zlib"
1008flashsv_encoder_select="zlib"
e8ed9b7a
DB
1009flv_encoder_select="aandct"
1010h261_encoder_select="aandct"
1011h263_encoder_select="aandct"
1012h263p_encoder_select="aandct"
4f034993 1013h264_decoder_select="golomb"
711dae77 1014h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb 1015imc_decoder_select="fft mdct"
4f034993
MR
1016jpegls_decoder_select="golomb"
1017jpegls_encoder_select="golomb"
e8ed9b7a 1018ljpeg_encoder_select="aandct"
4f034993 1019loco_decoder_select="golomb"
e8ed9b7a
DB
1020mjpeg_encoder_select="aandct"
1021mpeg1video_encoder_select="aandct"
1022mpeg2video_encoder_select="aandct"
1023mpeg4_encoder_select="aandct"
711dae77
DB
1024mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1025mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
8f6f050a 1026mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1027msmpeg4v1_encoder_select="aandct"
1028msmpeg4v2_encoder_select="aandct"
1029msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1030nellymoser_decoder_select="fft mdct"
1031nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1032png_decoder_select="zlib"
1033png_encoder_select="zlib"
63cae55d 1034qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1035rv10_encoder_select="aandct"
1036rv20_encoder_select="aandct"
d52b39c7
AJ
1037rv30_decoder_select="golomb"
1038rv40_decoder_select="golomb"
4f034993
MR
1039shorten_decoder_select="golomb"
1040sonic_decoder_select="golomb"
1041sonic_encoder_select="golomb"
1042sonic_ls_encoder_select="golomb"
1043svq3_decoder_select="golomb"
bee2eac5 1044svq3_decoder_suggest="zlib"
2eef7c62
AJ
1045tiff_decoder_suggest="zlib"
1046tiff_encoder_suggest="zlib"
1047tscc_decoder_select="zlib"
711dae77 1048vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb
MR
1049vorbis_decoder_select="fft mdct"
1050vorbis_encoder_select="fft mdct"
1051wmav1_decoder_select="fft mdct"
1052wmav1_encoder_select="fft mdct"
1053wmav2_decoder_select="fft mdct"
1054wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1055wmv1_encoder_select="aandct"
1056wmv2_encoder_select="aandct"
711dae77 1057wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2eef7c62
AJ
1058zlib_decoder_select="zlib"
1059zlib_encoder_select="zlib"
1060zmbv_decoder_select="zlib"
1061zmbv_encoder_select="zlib"
30fd06be 1062
912f3148 1063# external libraries
f5a756ef
DB
1064libamr_nb_decoder_deps="libamr_nb"
1065libamr_nb_encoder_deps="libamr_nb"
1066libamr_wb_decoder_deps="libamr_wb"
1067libamr_wb_encoder_deps="libamr_wb"
1b71f045 1068libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1069libdirac_encoder_deps="libdirac"
c9171a83 1070libfaac_encoder_deps="libfaac"
69ddbd1d 1071libfaad_decoder_deps="libfaad"
4ec45764 1072libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1073libgsm_decoder_deps="libgsm"
1074libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1075libgsm_ms_decoder_deps="libgsm"
1076libgsm_ms_encoder_deps="libgsm"
1cc60c47 1077libmp3lame_encoder_deps="libmp3lame"
9a77d59a 1078libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1079libschroedinger_decoder_deps="libschroedinger"
1080libschroedinger_encoder_deps="libschroedinger"
ae14f311 1081libspeex_decoder_deps="libspeex"
150d2772 1082libtheora_encoder_deps="libtheora"
b0caf888 1083libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1084libx264_encoder_deps="libx264"
1085libxvid_encoder_deps="libxvid"
30fd06be 1086
912f3148 1087# demuxers / muxers
03a76ba9 1088ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1089alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1090alsa_demuxer_extralibs="-lasound"
1091alsa_muxer_deps="alsa_asoundlib_h"
1092alsa_muxer_extralibs="-lasound"
50383e88 1093audio_beos_demuxer_deps="audio_beos"
4ec45764 1094audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1095audio_beos_muxer_deps="audio_beos"
4ec45764 1096audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1097avisynth_demuxer_deps="avisynth"
73483024 1098bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1099dirac_demuxer_deps="dirac_parser"
fe9bb347 1100dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1101libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1102libnut_demuxer_deps="libnut"
1103libnut_muxer_deps="libnut"
2eef7c62
AJ
1104matroska_demuxer_suggest="zlib bzlib"
1105mov_demuxer_suggest="zlib"
4bd8e17c 1106mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1107oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1108oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1109redir_demuxer_deps="network"
8eb793c4 1110rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1111rtsp_demuxer_deps="sdp_demuxer"
1112sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1113v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1114v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1115vfwcap_demuxer_deps="capCreateCaptureWindow"
1116vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1117x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1118x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1119
912f3148 1120# protocols
3fff6382 1121gopher_protocol_deps="network"
c08fb000
AB
1122http_protocol_deps="network"
1123rtp_protocol_deps="udp_protocol"
1124tcp_protocol_deps="network"
1125udp_protocol_deps="network"
1126
f7679c54 1127# filters
81124ba0 1128movie_filter_deps="avfilter_lavf"
f7679c54 1129
912f3148 1130# programs
fa859b4d 1131ffplay_deps="sdl"
6ad42348 1132ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1133ffserver_extralibs='$ldl'
a2830dca 1134
912f3148 1135
de6d9b64 1136# default parameters
8a608357 1137
2ba042a7 1138logfile="config.err"
8a608357
MR
1139
1140# installation paths
c9d19248
MR
1141prefix_default="/usr/local"
1142bindir_default='${prefix}/bin'
14a8acf1 1143datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1144incdir_default='${prefix}/include'
1145libdir_default='${prefix}/lib'
1146mandir_default='${prefix}/share/man'
1147shlibdir_default="$libdir_default"
8a608357
MR
1148
1149# toolchain
11e6d03a 1150ar="ar"
13c7df3d 1151cc_default="gcc"
9da6609f 1152host_cc_default="gcc"
11e6d03a 1153ln_s="ln -sf"
89641463 1154nm_default="nm"
11e6d03a 1155objformat="elf"
be7109c1 1156ranlib="ranlib"
0f3cb305 1157strip="strip"
11e6d03a 1158yasmexe="yasm"
8a608357
MR
1159
1160# machine
5e622c40 1161arch=$(uname -m)
38d0a8aa 1162cpu="generic"
8a608357 1163
8a608357 1164# OS
4f854758 1165target_os=$(tolower $(uname -s))
82bb3329 1166host_os=$target_os
8a608357 1167
8a608357 1168# configurable options
497237c7 1169enable debug
aa033b1e 1170enable fastdiv
497237c7
RP
1171enable ffmpeg
1172enable ffplay
1173enable ffserver
1174enable ipv6
497237c7
RP
1175enable mpegaudio_hp
1176enable network
8400d6b8 1177enable optimizations
497237c7 1178enable protocols
530dc538 1179enable static
87a0fb62 1180enable stripping
8a608357 1181
8a608357 1182# build settings
11a9d3e8 1183add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1184SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1185FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1186LIBPREF="lib"
1187LIBSUF=".a"
c5f14466
RP
1188FULLNAME='$(NAME)$(BUILDSUF)'
1189LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1190SLIBPREF="lib"
1191SLIBSUF=".so"
c5f14466 1192SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1193SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1194SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1195LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1196
9da6609f
MR
1197host_cflags='-O3 -g -Wall'
1198host_libs='-lm'
1199
a7ada2ba
MR
1200target_path='.'
1201
0d7dca36
DB
1202# gcc stupidly only outputs the basename of targets with -MM, but we need the
1203# full relative path for objects in subdirectories for non-recursive Make.
333d5374 1204DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1205
c597172e 1206# find source path
5e622c40 1207source_path="$(dirname "$0")"
497237c7 1208enable source_path_used
c597172e 1209if test -z "$source_path" -o "$source_path" = "." ; then
5e622c40 1210 source_path="$(pwd)"
497237c7 1211 disable source_path_used
c597172e 1212else
5e622c40 1213 source_path="$(cd "$source_path"; pwd)"
c597172e 1214 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1215 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1216 test -e "$source_path/config.h" &&
1217 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1218fi
1219
c597172e
MR
1220FFMPEG_CONFIGURATION="$@"
1221
73ef8980
MR
1222find_things(){
1223 thing=$1
1224 pattern=$2
1225 file=$source_path/$3
932ccf39 1226 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1227}
1228
1229ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1230DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1231PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1232BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1233MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1234DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1235OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1236INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1237PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1238FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1239
7483e694
DB
1240enable $ARCH_EXT_LIST \
1241 $DECODER_LIST \
1242 $ENCODER_LIST \
1243 $PARSER_LIST \
1244 $BSF_LIST \
1245 $DEMUXER_LIST \
1246 $MUXER_LIST \
f7679c54 1247 $FILTER_LIST \
7483e694
DB
1248 $PROTOCOL_LIST \
1249 $INDEV_LIST \
1250 $OUTDEV_LIST \
c597172e
MR
1251
1252die_unknown(){
1253 echo "Unknown option \"$1\"."
1254 echo "See $0 --help for available options."
1255 exit 1
1256}
1257
794f8e97 1258show_list() {
bf0c4afa
RP
1259 suffix=_$1
1260 shift
1261 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1262 exit 0
1263}
1264
c597172e 1265for opt do
7483e694
DB
1266 optval="${opt#*=}"
1267 case "$opt" in
0f010b2f 1268 --extra-cflags=*) add_cflags $optval
7483e694 1269 ;;
0f010b2f 1270 --extra-ldflags=*) add_ldflags $optval
7483e694 1271 ;;
0f010b2f 1272 --extra-libs=*) add_extralibs $optval
7483e694 1273 ;;
8fb1cb58 1274 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1275 ;;
40bcf4c7
BL
1276 --enable-debug=*) debuglevel="$optval"
1277 ;;
7483e694 1278 --enable-*=*|--disable-*=*)
5e622c40 1279 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
7483e694 1280 case "$thing" in
81124ba0 1281 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1282 *) die_unknown "$opt" ;;
1283 esac
1284 ;;
1285 --enable-?*|--disable-?*)
5e622c40 1286 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55
MR
1287 if is_in $option $COMPONENT_LIST; then
1288 eval $action \$$(toupper ${option%s})_LIST
1289 elif is_in $option $CMDLINE_SELECT; then
1290 $action $option
1291 else
1292 die_unknown $opt
1293 fi
7483e694
DB
1294 ;;
1295 --list-*)
1296 NAME="${opt#--list-}"
1297 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1298 NAME=${NAME%s}
1299 eval show_list $NAME \$$(toupper $NAME)_LIST
1300 ;;
1301 --help|-h) show_help
1302 ;;
1303 *)
884a36a7 1304 optname="${opt%%=*}"
26759c44
MR
1305 optname="${optname#--}"
1306 optname=$(echo "$optname" | sed 's/-/_/g')
1307 is_in $optname $CMDLINE_SET || die_unknown $opt
1308 eval $optname='$optval'
7483e694
DB
1309 ;;
1310 esac
c597172e
MR
1311done
1312
bcea99bb
MR
1313disabled logging && logfile=/dev/null
1314
1315echo "# $0 $@" > $logfile
1316set >> $logfile
1317
9da6609f
MR
1318test -n "$cross_prefix" && enable cross_compile
1319
adb2b908 1320ar="${cross_prefix}${ar}"
11e6d03a 1321cc_default="${cross_prefix}${cc_default}"
20e0ed95 1322nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1323ranlib="${cross_prefix}${ranlib}"
1324strip="${cross_prefix}${strip}"
1325
c5200f17
MR
1326sysinclude_default="${sysroot}/usr/include"
1327
75800dce
MR
1328set_default cc nm sysinclude
1329as_default=$cc
9da6609f
MR
1330enabled cross_compile || host_cc_default=$cc
1331set_default host_cc
13c7df3d 1332
82bb3329
MR
1333exesuf() {
1334 case $1 in
1335 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1336 esac
1337}
1338
1339EXESUF=$(exesuf $target_os)
1340HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1341
e4e69e0b 1342# set temporary file name
a49d42c2 1343: ${TMPDIR:=$TEMPDIR}
c51fafa1 1344: ${TMPDIR:=$TMP}
a49d42c2 1345: ${TMPDIR:=/tmp}
e4e69e0b 1346
54460a83
MR
1347if ! check_cmd type mktemp; then
1348 # simple replacement for missing mktemp
1349 # NOT SAFE FOR GENERAL USE
1350 mktemp(){
1351 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1352 }
1353fi
1354
1355tmpfile(){
1356 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1357 (set -C; exec > $tmp) 2>/dev/null ||
1358 die "Unable to create temoporary file in $TMPDIR."
1359 append TMPFILES $tmp
1360 eval $1=$tmp
1361}
1362
1363trap 'rm -f -- $TMPFILES' EXIT
1364trap exit HUP INT TERM
1365
1366tmpfile TMPC .c
1367tmpfile TMPE $EXESUF
1368tmpfile TMPH .h
1369tmpfile TMPO .o
1370tmpfile TMPS .S
1371tmpfile TMPSH .sh
1372
1373unset -f mktemp
e4e69e0b 1374
993f2d0f
MR
1375# make sure we can execute files in $TMPDIR
1376cat > $TMPSH 2>> $logfile <<EOF
1377#! /bin/sh
1378EOF
1379chmod +x $TMPSH >> $logfile 2>&1
1380if ! $TMPSH >> $logfile 2>&1; then
1381 cat <<EOF
1382Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1383variable to another directory and make sure that it is not mounted noexec.
1384EOF
1385 die "Sanity test failed."
1386fi
993f2d0f 1387
3a636b6f 1388if $cc --version 2>/dev/null | grep -qi gcc; then
629687f6
MR
1389 cc_type=gcc
1390elif $cc --version 2>/dev/null | grep -q Intel; then
1391 cc_type=icc
1392elif $cc -v 2>&1 | grep -q xlc; then
1393 cc_type=xlc
df442a8d
MR
1394elif $cc -V 2>/dev/null | grep -q Compaq; then
1395 cc_type=ccc
1396 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
03754fcd 1397 debuglevel=3
df442a8d 1398 add_ldflags -Wl,-z,now # calls to libots crash without this
03e37762
MR
1399elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1400 test -d "$sysroot" || die "No valid sysroot specified."
1401 cc_type=armcc
1402 armcc_conf="$PWD/armcc.conf"
1403 $cc --arm_linux_configure \
1404 --arm_linux_config_file="$armcc_conf" \
1405 --configure_sysroot="$sysroot" \
1406 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1407 die "Error creating armcc configuration file."
1408 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1409 as_default="${cross_prefix}gcc"
629687f6
MR
1410fi
1411
1412test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1413
75800dce
MR
1414set_default as
1415
154d432c
MR
1416if test -n "$sysroot"; then
1417 case "$cc_type" in
1418 gcc)
1419 add_cflags --sysroot="$sysroot"
1420 add_ldflags --sysroot="$sysroot"
1421 ;;
1422 esac
1423fi
1424
993f2d0f
MR
1425# compiler sanity check
1426check_exec <<EOF
1427int main(void){ return 0; }
1428EOF
1429if test "$?" != 0; then
1430 echo "$cc is unable to create an executable file."
1431 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1432 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1433 echo "Only do this if you know what cross compiling means."
1434 fi
1435 die "C compiler test failed."
1436fi
1437
e9b9a2f8 1438check_cflags -std=c99
9d821fc2
DB
1439check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1440#include <stdlib.h>
1441EOF
1442check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1443#include <stdlib.h>
1444EOF
e9b9a2f8 1445
b24dbcbd 1446case "$arch" in
b24dbcbd
RP
1447 alpha)
1448 arch="alpha"
1449 enable fast_64bit
c0a02a3e 1450 check_cflags -mieee
b24dbcbd 1451 ;;
cfdb6148
MR
1452 arm|armv[4567]*l)
1453 arch="arm"
b24dbcbd 1454 ;;
f4870943
MR
1455 avr32)
1456 ;;
cfdb6148
MR
1457 bfin)
1458 arch="bfin"
1459 ;;
1460 ia64)
1461 arch="ia64"
b24dbcbd 1462 enable fast_64bit
cfdb6148
MR
1463 ;;
1464 m68k)
1465 arch="m68k"
b24dbcbd 1466 ;;
de3a1240 1467 mips|mipsel|IP*)
b24dbcbd
RP
1468 arch="mips"
1469 ;;
de3a1240
DB
1470 mips64)
1471 arch="mips"
1472 enable fast_64bit
1473 ;;
61597a98 1474 parisc|hppa)
b24dbcbd
RP
1475 arch="parisc"
1476 ;;
61597a98 1477 parisc64|hppa64)
b24dbcbd
RP
1478 arch="parisc"
1479 enable fast_64bit
1480 ;;
cfdb6148
MR
1481 "Power Macintosh"|ppc|powerpc)
1482 arch="ppc"
1483 enable fast_unaligned
1484 ;;
1485 ppc64)
1486 arch="ppc"
1487 enable fast_64bit
1488 enable fast_unaligned
1489 ;;
b24dbcbd
RP
1490 s390|s390x)
1491 arch="s390"
1492 ;;
cfdb6148
MR
1493 sh4|sh)
1494 arch="sh4"
b24dbcbd 1495 ;;
cfdb6148
MR
1496 sparc)
1497 arch="sparc"
1498 ;;
1499 sun4u|sparc64)
1500 arch="sparc"
1501 subarch="sparc64"
b24dbcbd
RP
1502 enable fast_64bit
1503 ;;
cfdb6148
MR
1504 i386|i486|i586|i686|i86pc|BePC)
1505 arch="x86"
1506 subarch="x86_32"
1507 enable fast_unaligned
1508 ;;
1509 x86_64|amd64)
1510 arch="x86"
1511 subarch="x86_32"
1512 enable cmov
1513 enable fast_cmov
1514 enable fast_unaligned
1515 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1516 int test[sizeof(char*) - 7];
1517EOF
b24dbcbd
RP
1518 ;;
1519 *)
1520 arch="unknown"
1521 ;;
1522esac
1523
62045d48 1524enable $arch $subarch
b24dbcbd 1525
7483e694 1526# OS specific
4f854758 1527case $target_os in
7483e694 1528 beos|haiku|zeta)
c9d19248 1529 prefix_default="$HOME/config"
7483e694 1530 # helps building libavcodec
0f010b2f 1531 add_cflags -DPIC -fomit-frame-pointer
7483e694 1532 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 1533 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
1534 case "$gcc_version" in
1535 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1536 disable mmx
1537 ;;
1538 *20010315*) echo "BeBits gcc"
0f010b2f 1539 add_cflags -fno-expensive-optimizations
7483e694
DB
1540 ;;
1541 esac
7483e694
DB
1542 SHFLAGS=-nostart
1543 # enable BeOS things
1544 enable audio_beos
1545 # no need for libm, but the inet stuff
1546 # Check for BONE
1547 # XXX: actually should check for NOT net_server
78fe7631 1548 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1549 network_extralibs="-lbind -lsocket"
1550 else
1551 enable beos_netserver
1552 network_extralibs="-lnet"
1553 fi ;;
1554 sunos)
1555 FFSERVERLDFLAGS=""
9987769a 1556 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1557 network_extralibs="-lsocket -lnsl"
e193c74e 1558 add_cflags -D__EXTENSIONS__
7483e694
DB
1559 ;;
1560 netbsd)
1561 oss_demuxer_extralibs="-lossaudio"
1562 oss_muxer_extralibs="-lossaudio"
1563 ;;
1564 openbsd)
1565 disable need_memalign
1566 LIBOBJFLAGS='$(PIC)'
7483e694 1567 SHFLAGS='-shared'
7483e694
DB
1568 oss_demuxer_extralibs="-lossaudio"
1569 oss_muxer_extralibs="-lossaudio"
1570 ;;
1571 freebsd)
1572 disable need_memalign
1573 ;;
1574 bsd/os)
1575 osextralibs="-lpoll -lgnugetopt"
1576 strip="strip -d"
1577 ;;
1578 darwin)
1579 disable need_memalign
0138c54e 1580 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
1581 strip="strip -x"
1582 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1583 SLIBSUF=".dylib"
1584 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1585 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1586 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1587 objformat="macho"
1b0f6fb8 1588 enabled x86_64 && objformat="macho64"
7483e694
DB
1589 ;;
1590 mingw32*)
4f854758 1591 target_os=mingw32
dcc01c06 1592 LIBTARGET=i386
1fc9fb8a 1593 if enabled x86_64; then
dcc01c06
RP
1594 disable need_memalign
1595 LIBTARGET=x64
1596 fi
fbd971a4 1597 shlibdir_default="$bindir_default"
7483e694
DB
1598 disable ffserver
1599 SLIBPREF=""
1600 SLIBSUF=".dll"
7483e694
DB
1601 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1602 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 1603 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1604 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1605 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1606 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1607 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1608 objformat="win32"
bc574408 1609 enable dos_paths
b1549d61 1610 if ! enabled x86_64; then
f7ad5aa2
RP
1611 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1612 die "ERROR: MinGW runtime version must be >= 3.15."
1613 enabled_any avisynth vfwcap_demuxer &&
1614 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1615 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1616 fi
7483e694
DB
1617 ;;
1618 cygwin*)
4f854758 1619 target_os=cygwin
fbd971a4 1620 shlibdir_default="$bindir_default"
7483e694
DB
1621 SLIBPREF="cyg"
1622 SLIBSUF=".dll"
1623 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1624 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1625 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1626 objformat="win32"
bc574408 1627 enable dos_paths
7483e694 1628 ;;
4f365f37 1629 *-dos|freedos|opendos)
fdf11906 1630 disable ffplay ffserver
4f365f37
MK
1631 disable $INDEV_LIST $OUTDEV_LIST
1632 network_extralibs="-lsocket"
ff1c015d 1633 objformat="coff"
bc574408 1634 enable dos_paths
4f365f37 1635 ;;
7483e694 1636 linux)
7483e694
DB
1637 enable dv1394
1638 ;;
1639 irix*)
4f854758 1640 target_os=irix
7483e694
DB
1641 ranlib="echo ignoring ranlib"
1642 ;;
d22e8442 1643 os/2*)
d22e8442
DY
1644 strip="lxlite"
1645 ln_s="cp -f"
d22e8442 1646 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1647 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1648 FFSERVERLDFLAGS=""
287d3b13 1649 LIBSUF="_s.a"
d22e8442
DY
1650 SLIBPREF=""
1651 SLIBSUF=".dll"
1652 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1653 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1654 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1655 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1656 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1657 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1658 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1659 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1660 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1661 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1662 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1663 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 1664 enable dos_paths
d22e8442
DY
1665 ;;
1666
7483e694 1667 *)
4f924f9a 1668 die "Unknown OS '$target_os'."
7483e694
DB
1669 ;;
1670esac
1671
c9d19248
MR
1672set_default $PATHS_LIST
1673
c597172e 1674add_extralibs $osextralibs
de6d9b64 1675
28d8e661
DB
1676# Combine FFLDFLAGS and the LDFLAGS environment variable.
1677LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1678
320d060a 1679# we need to build at least one lib type
93b3c083 1680if ! enabled_any static shared; then
320d060a
DB
1681 cat <<EOF
1682At least one library type must be built.
1683Specify --enable-static to build the static libraries or --enable-shared to
1684build the shared libraries as well. To only build the shared libraries specify
1685--disable-static in addition to --enable-shared.
1686EOF
1687 exit 1;
1688fi
1689
abc4e572 1690disabled static && LIBNAME=""
2a320695 1691
a2234ceb
RP
1692if enabled_any libfaad libfaadbin ; then
1693 if check_header faad.h; then
295b8c70 1694 check_cc <<EOF
a2234ceb
RP
1695#include <faad.h>
1696#ifndef FAAD2_VERSION
1697ok faad1
1698#endif
db817cf3 1699int main(void) { return 0; }
a2234ceb
RP
1700EOF
1701 test $? = 0 && enable libfaad2
1702 else
ff3dac65 1703 die "FAAD test failed."
a2234ceb
RP
1704 fi
1705fi
1706
1707
93b3c083 1708if ! enabled gpl; then
54118497
RP
1709 die_gpl_disabled(){
1710 name=$1
1711 shift
1712 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1713 }
4a24ab64 1714 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1715 die_gpl_disabled "libx264" libx264
1716 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1717 die_gpl_disabled "FAAD2" libfaad2
1718 die_gpl_disabled "The X11 grabber" x11grab
ebb810d9 1719fi
b2e3c528 1720
3fe142e2
DB
1721if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1722 die "libamr is nonfree and --enable-nonfree is not specified."
1723fi
1724
9eeed841 1725check_deps $ARCH_EXT_LIST
0f3cb305 1726
5d323602
MR
1727test -z "$need_memalign" && need_memalign="$mmx"
1728
cf9d24ad 1729#Darwin CC versions
4f854758 1730if test $target_os = darwin; then
629687f6 1731 if enabled xlc; then
0f010b2f 1732 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1733 else
0f010b2f
DB
1734 add_cflags -pipe
1735 check_cflags -force_cpusubtype_ALL
1736 check_cflags -Wno-sign-compare
f946a9a4 1737 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1738 fi
2a1a6b64
MN
1739fi
1740
40617a6d 1741disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1742
a4adb608 1743# Add processor-specific flags
38d0a8aa 1744if test $cpu != "generic"; then
bc8ec47b
MR
1745 warn_altivec(){
1746 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1747 }
38d0a8aa 1748 case $cpu in
bb270c08 1749 601|ppc601|PowerPC601)
0f010b2f 1750 add_cflags -mcpu=601
bc8ec47b 1751 warn_altivec enabled PPC601
bb270c08
DB
1752 ;;
1753 603*|ppc603*|PowerPC603*)
0f010b2f 1754 add_cflags -mcpu=603
bc8ec47b 1755 warn_altivec enabled PPC603
bb270c08
DB
1756 ;;
1757 604*|ppc604*|PowerPC604*)
0f010b2f 1758 add_cflags -mcpu=604
bc8ec47b 1759 warn_altivec enabled PPC604
bb270c08
DB
1760 ;;
1761 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1762 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1763 warn_altivec enabled PPC75x
bb270c08
DB
1764 ;;
1765 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1766 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1767 warn_altivec disabled PPC745x
bb270c08
DB
1768 ;;
1769 74*|ppc74*|PowerPC74*)
0f010b2f 1770 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1771 warn_altivec disabled PPC74xx
bb270c08
DB
1772 ;;
1773 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1774 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1775 warn_altivec disabled PPC970
9cafbd6c 1776 enable ppc64
bb270c08 1777 ;;
e07e357d 1778 Cell|CELL|cell)
0f010b2f 1779 add_cflags -mcpu=cell
e07e357d 1780 warn_altivec disabled Cell
9cafbd6c 1781 enable ppc64
e07e357d 1782 ;;
e7768fc5
GP
1783 # targets that do NOT support conditional mov (cmov)
1784 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1785 add_cflags -march=$cpu
497237c7 1786 disable cmov
e7768fc5
GP
1787 ;;
1788 # targets that do support conditional mov (cmov)
416519dd 1789 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1790 add_cflags -march=$cpu
497237c7
RP
1791 enable cmov
1792 enable fast_cmov
94e4c3a3
GP
1793 ;;
1794 # targets that do support conditional mov but on which it's slow
800a5a19 1795 pentium4|pentium4m|prescott|nocona)
0f010b2f 1796 add_cflags -march=$cpu
497237c7
RP
1797 enable cmov
1798 disable fast_cmov
bb270c08 1799 ;;
d7b34d08 1800 sparc64)
0f010b2f 1801 add_cflags -mcpu=v9
d7b34d08 1802 ;;
f2e49553 1803 arm11*|cortex*)
0f010b2f 1804 add_cflags -mcpu=$cpu
f2e49553
MR
1805 enable fast_unaligned
1806 ;;
0223bd6f 1807 armv*)
0f010b2f 1808 add_cflags -march=$cpu
0223bd6f 1809 ;;
f2e49553 1810 arm*)
0f010b2f 1811 add_cflags -mcpu=$cpu
6b19786b 1812 ;;
1cd11856 1813 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
df442a8d 1814 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1cd11856 1815 ;;
bb270c08 1816 *)
7483e694 1817 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1818 ;;
a4adb608
MN
1819 esac
1820fi
1821
b4d96ba2
MR
1822check_cc <<EOF || die "Symbol mangling check failed."
1823int ff_extern;
1824EOF
2f05d9c1 1825sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1826extern_prefix=${sym%%ff_extern*}
1827
f65883c8
MR
1828check_cc <<EOF && enable inline_asm
1829void foo(void) { __asm__ volatile ("" ::); }
1830EOF
61d251db 1831
9eeed841 1832if enabled x86; then
44965991
PI
1833 # check whether EBP is available on x86
1834 # As 'i' is stored on the stack, this program will crash
1835 # if the base pointer is used to access it because the
1836 # base pointer is cleared in the inline assembly code.
7dfef245 1837 check_exec_crash <<EOF && enable ebp_available
44965991 1838 volatile int i=0;
be449fca 1839 __asm__ volatile (
44965991
PI
1840 "xorl %%ebp, %%ebp"
1841 ::: "%ebp");
1842 return i;
44965991
PI
1843EOF
1844
1845 # check wether EBX is available on x86
940f335a 1846 check_asm ebx_available '"":::"%ebx"'
8e380710 1847
d3a4b4e0
DB
1848 # check whether more than 10 operands are supported
1849 check_cc <<EOF && enable ten_operands
1850int main(void) {
1851 int x=0;
1852 __asm__ volatile(
1853 ""
1854 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1855 );
1856 return 0;
1857}
1858EOF
1859
d7f0920b 1860 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1861 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 1862 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
1863
1864 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1865
d52481b9 1866 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1867 enabled x86_64 && append YASMFLAGS "-m amd64"
1868 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1869 case "$objformat" in
1870 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1871 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1872 *) append YASMFLAGS "-DPREFIX" ;;
1873 esac
7595a5e4 1874 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1875fi
1876
87ea51e0
LB
1877# check for assembler specific support
1878
5b6c2cbd 1879enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1880enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1881
57bd82d4
MR
1882# check for SIMD availability
1883
115329f1 1884# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1885if enabled altivec; then
3ed1a2ee
DB
1886 check_cflags -maltivec -mabi=altivec &&
1887 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1888 check_cflags -faltivec
b6e52719 1889
0182fee8 1890 # check if our compiler supports Motorola AltiVec C API
497237c7 1891 check_cc <<EOF || disable altivec
dcd479c0 1892$inc_altivec_h
a9a07762
MN
1893int main(void) {
1894 vector signed int v1, v2, v3;
1895 v1 = vec_add(v2,v3);
1896 return 0;
1897}
1898EOF
b006b26c
DB
1899
1900 # check if our compiler supports braces for vector declarations
80a61f08 1901 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1902$inc_altivec_h
80a61f08 1903int main (void) { (vector int) {1}; return 0; }
b006b26c 1904EOF
a9a07762 1905fi
ab6c65f6 1906
b4e806b2 1907# We have to check if pld is a nop and disable it.
a2fc0f6a 1908enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1909enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1910enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1911enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1912enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1913enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1914enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1915enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1916enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1917
0f010b2f 1918enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1919
57bd82d4
MR
1920# ---
1921# big/little-endian test
9eebe687
MR
1922check_cc <<EOF || die "endian test failed"
1923unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1924EOF
d04d9e16 1925od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1926
a3999908 1927# ---
3d204385
NK
1928# check availability of some header files
1929
a98bb16d
RP
1930if check_func dlopen; then
1931 ldl=
1932elif check_func dlopen -ldl; then
1933 ldl=-ldl
8bf5d58f
MN
1934fi
1935
75ecf149
DB
1936# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1937check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1938
7483e694
DB
1939check_func fork
1940check_func gethrtime
1941check_func getrusage
094c09bb 1942check_func inet_aton $network_extralibs
7483e694
DB
1943check_func memalign
1944check_func mkstemp
1f91cdce 1945check_func posix_memalign
b507ebd1 1946check_func_headers io.h setmode
2446d3d6 1947check_func_headers windows.h GetProcessTimes
7c5bfe7a 1948check_func_headers windows.h VirtualAlloc
6ffa87d3 1949
e16e49ac 1950check_header conio.h
a98bb16d
RP
1951check_header dlfcn.h
1952check_header malloc.h
bf6ce82d 1953check_header poll.h
b58412f1 1954check_header sys/mman.h
b091aa44 1955check_header sys/resource.h
bf6ce82d 1956check_header sys/select.h
a98bb16d 1957check_header termios.h
272081b0
CEH
1958check_header vdpau/vdpau.h
1959check_header vdpau/vdpau_x11.h
68178ca9 1960check_header X11/extensions/XvMClib.h
a98bb16d 1961
1f91cdce
RP
1962if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1963 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1964fi
e16e49ac 1965
a4fa192c 1966disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1967disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1968
1969# check for some common methods of building with pthread support
1970# do this before the optional library checks as some of them require pthreads
1971if enabled pthreads; then
9e7fd101
MR
1972 if check_func pthread_create; then
1973 :
1974 elif check_func pthread_create -pthread; then
1975 add_cflags -pthread
afc9aee2 1976 add_extralibs -pthread
9e7fd101
MR
1977 elif check_func pthread_create -pthreads; then
1978 add_cflags -pthreads
afc9aee2 1979 add_extralibs -pthreads
8d94f606
GT
1980 elif check_func pthread_create -lpthreadGC2; then
1981 add_extralibs -lpthreadGC2
9e7fd101
MR
1982 elif ! check_lib pthread.h pthread_create -lpthread; then
1983 die "ERROR: can't find pthreads library"
1984 fi
57bd82d4
MR
1985fi
1986
8eee7025 1987for thread in $THREADS_LIST; do
e5f94c2b 1988 if enabled $thread; then
3ae3b721
RP
1989 test -n "$thread_type" &&
1990 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1991 thread_type="$thread"
e5f94c2b
RP
1992 fi
1993done
1994
fdf88598
MR
1995check_lib math.h sin -lm
1996
a33cab3a 1997# test for C99 functions in math.h
7b04b8a0 1998for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 1999 check_exec <<EOF && enable $func || disable $func
f32adb22 2000#include <math.h>
a33cab3a 2001int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 2002EOF
a33cab3a 2003done
f32adb22 2004
57bd82d4 2005# these are off by default, so fail if requested and not available
79fda097 2006enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
2007enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2008enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 2009enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
2010 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2011 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
2012enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2013enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2014enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2015enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2016enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
3d6fac8c 2017enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2018enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2019 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2020enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
2021enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2022enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 2023enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
2024 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2025 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 2026enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2027enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2028
0b4a1821
AS
2029# libdc1394 check
2030if enabled libdc1394; then
2031 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2032 enable libdc1394_2; } ||
2033 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2034 enable libdc1394_1; } ||
2035 die "ERROR: No version of libdc1394 found "
2036fi
2037
2038
c13e1abd
FH
2039_restrict=
2040for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 2041 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
2042void foo(char * $restrict_keyword p);
2043EOF
c13e1abd
FH
2044done
2045
a86b921c 2046##########################################
29799f8b 2047# SDL check
a86b921c 2048
497237c7
RP
2049disable sdl_too_old
2050disable sdl
6a1a892f 2051SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2052if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2053 sdl_cflags=$("${SDL_CONFIG}" --cflags)
225e21ef 2054 temp_cflags $sdl_cflags
5e622c40 2055 temp_extralibs $("${SDL_CONFIG}" --libs)
1ca5d97f 2056 if check_lib2 SDL.h SDL_Init; then
5e622c40 2057 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
29f3b38a 2058 if test "$_sdlversion" -lt 121 ; then
497237c7 2059 enable sdl_too_old
dcd479c0 2060 else
497237c7 2061 enable sdl
225e21ef 2062 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2063#include <SDL.h>
d6773f56 2064int main(int argc, char **argv){
29f3b38a
MR
2065 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2066 int w = vi->current_w;
2067 return 0;
2068}
2069EOF
dcd479c0
MR
2070 fi
2071 fi
29f3b38a 2072 restore_flags
c3f6b472 2073fi
57bd82d4 2074
2270b4b2 2075texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2076
7a91333f 2077##########################################
73b46a95
RP
2078# Network check
2079
2080if enabled network; then
96000432 2081 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2082 # Prefer arpa/inet.h over winsock2
2083 if check_header arpa/inet.h ; then
2084 check_func closesocket
2085 elif check_header winsock2.h ; then
ea10ddde 2086 network_extralibs="-lws2_32"
72be9e73 2087 check_type ws2tcpip.h socklen_t
2446d3d6 2088 check_func_headers winsock2.h closesocket
73b46a95
RP
2089 fi
2090fi
2091
2092##########################################
29799f8b 2093# IPv6 check
7a91333f 2094
497237c7 2095enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2096#include <sys/types.h>
2097#include <sys/socket.h>
2098#include <netinet/in.h>
2099#include <netdb.h>
db817cf3 2100int main(void) {
7483e694
DB
2101 struct sockaddr_storage saddr;
2102 struct ipv6_mreq mreq6;
2103 getaddrinfo(0,0,0,0);
2104 getnameinfo(0,0,0,0,0,0,0);
2105 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2106}
2107EOF
2108
06e31011
RP
2109check_header linux/videodev.h
2110check_header linux/videodev2.h
1b6e8b73 2111check_header sys/videoio.h
47f38850 2112
2446d3d6 2113check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2114
f8aa696f 2115# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2116{ check_header dev/bktr/ioctl_meteor.h &&
2117 check_header dev/bktr/ioctl_bt848.h; } ||
2118{ check_header machine/ioctl_meteor.h &&
2119 check_header machine/ioctl_bt848.h; } ||
2120{ check_header dev/video/meteor/ioctl_meteor.h &&
2121 check_header dev/video/bktr/ioctl_bt848.h; } ||
2122check_header dev/ic/bt8xx.h
f8aa696f 2123
c7682de0
RP
2124check_header sys/soundcard.h
2125check_header soundcard.h
deb29777 2126
35fd8122
NG
2127check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2128
7483e694 2129# deal with the X11 frame grabber
56a059ac 2130enabled x11grab &&
f58f4ce1
GP
2131check_header X11/Xlib.h &&
2132check_header X11/extensions/XShm.h &&
2133check_func XOpenDisplay -lX11 &&
06eab4ba 2134check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2135
40bcf4c7 2136enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2137
2138# add some useful compiler flags if supported
2139check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2140check_cflags -Wall
2141check_cflags -Wno-switch
c07bd6a9
MN
2142check_cflags -Wdisabled-optimization
2143check_cflags -Wpointer-arith
2144check_cflags -Wredundant-decls
cc1fb623 2145check_cflags -Wno-pointer-sign
f4929996 2146check_cflags -Wcast-qual
9aceb3cf 2147check_cflags -Wwrite-strings
652a5bf6 2148check_cflags -Wtype-limits
764551c6 2149check_cflags -Wundef
5af4e0cc 2150enabled extra_warnings && check_cflags -Winline
cf9d24ad 2151
57bd82d4 2152# add some linker flags
5c0e9479 2153check_ldflags -Wl,--warn-common
8351d2ba
DB
2154check_ldflags -Wl,--as-needed
2155check_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 2156check_ldflags -Wl,-Bsymbolic
94a3401e 2157
bd2216e4
MR
2158if enabled small; then
2159 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2160 optimizations="small"
2161elif enabled optimizations; then
629687f6 2162 if enabled xlc; then
0f010b2f
DB
2163 add_cflags -O5
2164 add_ldflags -O5
df442a8d
MR
2165 elif enabled ccc; then
2166 add_cflags -fast
cf9d24ad 2167 else
0f010b2f 2168 add_cflags -O3
cf9d24ad 2169 fi
cddf3f45 2170fi
11fdbc44 2171check_cflags -fno-math-errno
b2eb2ff0 2172check_cflags -fno-signed-zeros
cddf3f45 2173
504a64b9 2174# add some flags for Intel C Compiler
629687f6 2175if enabled icc; then
b1598b58
MR
2176 # Just warnings, no remarks
2177 check_cflags -w1
2178 # -wd: Disable following warnings
2179 # 144, 167, 556: -Wno-pointer-sign
2180 # 10006: ignoring unknown option -fno-signed-zeros
2181 # 10156: ignoring option '-W'; no argument required
2182 check_cflags -wd144,167,556,10006,10156
2183 # 11030: Warning unknown option --as-needed
2184 # 10156: ignoring option '-export'; no argument required
2185 check_ldflags -wd10156,11030
2186 # Allow to compile with optimizations
2187 check_ldflags -march=$cpu
be2cf98a
CEH
2188 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2189 enable ebp_available
df442a8d
MR
2190elif enabled ccc; then
2191 # disable some annoying warnings
2192 add_cflags -msg_disable cvtu32to64
2193 add_cflags -msg_disable embedcomment
2194 add_cflags -msg_disable needconstext
2195 add_cflags -msg_disable nomainieee
2196 add_cflags -msg_disable ptrmismatch1
2197 add_cflags -msg_disable unreachcode
504a64b9
CEH
2198fi
2199
80581e98 2200# PIC flags for shared library objects where they are needed
5af4e0cc 2201if enabled shared; then
569cb218
MR
2202 # LIBOBJFLAGS may have already been set in the OS configuration
2203 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2204 case "${subarch-$arch}" in
b6bd7268 2205 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2206 esac
2207 fi
80581e98
MN
2208fi
2209
90be59ef 2210if enabled gprof; then
0f010b2f
DB
2211 add_cflags -p
2212 add_ldflags -p
1db54e20
DB
2213fi
2214
7f3c02fc 2215# Find out if the .align argument is a power of two or not.
9377b6ce 2216check_asm asmalign_pot '".align 3"'
4454dc1b 2217
7483e694
DB
2218enabled_any $DECODER_LIST && enable decoders
2219enabled_any $ENCODER_LIST && enable encoders
2220enabled_any $BSF_LIST && enable bsfs
2221enabled_any $DEMUXER_LIST && enable demuxers
2222enabled_any $MUXER_LIST && enable muxers
f7679c54 2223enabled_any $FILTER_LIST && enable filters
7483e694
DB
2224enabled_any $INDEV_LIST && enable demuxers
2225enabled_any $OUTDEV_LIST && enable muxers
2226enabled_any $PROTOCOL_LIST && enable protocols
2227
2228enabled_any $THREADS_LIST && enable threads
2229
2230check_deps $CONFIG_LIST \
b6bb00b0 2231 $CONFIG_EXTRA \
7483e694
DB
2232 $HAVE_LIST \
2233 $DECODER_LIST \
2234 $ENCODER_LIST \
2235 $PARSER_LIST \
2236 $BSF_LIST \
2237 $DEMUXER_LIST \
2238 $MUXER_LIST \
f7679c54 2239 $FILTER_LIST \
7483e694
DB
2240 $INDEV_LIST \
2241 $OUTDEV_LIST \
2242 $PROTOCOL_LIST \
f70f03f6 2243
3e89171a 2244echo "install prefix $prefix"
f36958f8
DB
2245echo "source path $source_path"
2246echo "C compiler $cc"
bfd5afd8 2247echo ".align is power-of-two $asmalign_pot"
f36958f8 2248echo "ARCH $arch ($cpu)"
ce8871c2
MR
2249if test "$build_suffix" != ""; then
2250 echo "build suffix $build_suffix"
eb94aca9 2251fi
ac63af34
DB
2252if test "$extra_version" != ""; then
2253 echo "version string suffix $extra_version"
2254fi
0db2ce77 2255echo "big-endian ${bigendian-no}"
5b6c2cbd 2256if enabled x86; then
af44e8e4 2257 echo "yasm ${yasm-no}"
0db2ce77 2258 echo "MMX enabled ${mmx-no}"
30e98e62 2259 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2260 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2261 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2262 echo "SSE enabled ${sse-no}"
30e98e62 2263 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2264 echo "CMOV enabled ${cmov-no}"
2265 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2266 echo "EBX available ${ebx_available-no}"
2267 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2268 echo "10 operands supported ${ten_operands-no}"
e41e8342 2269fi
5b6c2cbd 2270if enabled arm; then
0db2ce77
MR
2271 echo "ARMv5TE enabled ${armv5te-no}"
2272 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2273 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2274 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2275 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2276 echo "NEON enabled ${neon-no}"
eba9ae3c 2277fi
5b6c2cbd 2278if enabled mips; then
0db2ce77 2279 echo "MMI enabled ${mmi-no}"
e41e8342 2280fi
5b6c2cbd 2281if enabled ppc; then
0db2ce77 2282 echo "AltiVec enabled ${altivec-no}"
30e98e62 2283 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2284 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2285 echo "performance report ${powerpc_perf-no}"
2286fi
2287if enabled sparc; then
2288 echo "VIS enabled ${vis-no}"
e41e8342 2289fi
0db2ce77
MR
2290echo "gprof enabled ${gprof-no}"
2291echo "debug symbols ${debug-no}"
87a0fb62 2292echo "strip symbols ${stripping-no}"
8400d6b8 2293echo "optimizations ${optimizations-no}"
0db2ce77
MR
2294echo "static ${static-no}"
2295echo "shared ${shared-no}"
4a24ab64 2296echo "postprocessing support ${postproc-no}"
f7679c54 2297echo "new filter support ${avfilter-no}"
81124ba0 2298echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2299echo "network support ${network-no}"
90be59ef 2300if enabled network; then
0db2ce77 2301 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2302fi
0db2ce77
MR
2303echo "threading support ${thread_type-no}"
2304echo "SDL support ${sdl-no}"
90be59ef 2305if enabled sdl_too_old; then
bfd5afd8
DB
2306 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2307fi
0db2ce77
MR
2308echo "Sun medialib support ${mlib-no}"
2309echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2310echo "libamr-nb support ${libamr_nb-no}"
2311echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2312echo "libdc1394 support ${libdc1394-no}"
690bfceb 2313echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2314echo "libfaac enabled ${libfaac-no}"
2315echo "libfaad enabled ${libfaad-no}"
7e0871a7 2316echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2317echo "libgsm enabled ${libgsm-no}"
2318echo "libmp3lame enabled ${libmp3lame-no}"
2319echo "libnut enabled ${libnut-no}"
9a77d59a 2320echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2321echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2322echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2323echo "libtheora enabled ${libtheora-no}"
2324echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2325echo "libx264 enabled ${libx264-no}"
2326echo "libxvid enabled ${libxvid-no}"
0db2ce77 2327echo "zlib enabled ${zlib-no}"
f402916e 2328echo "bzlib enabled ${bzlib-no}"
2c62e737 2329echo
de6d9b64 2330
f7679c54 2331for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2332 echo "Enabled ${type}s:"
f65c9da1 2333 eval list=\$$(toupper $type)_LIST
8138b9db 2334 for part in $list; do
f65c9da1
MR
2335 enabled $part && echo ${part%_*}
2336 done | sort | pr -3 -t
2337 echo
8138b9db
RP
2338done
2339
ba321adb
JK
2340license="LGPL"
2341if enabled nonfree; then
2342 license="unredistributable"
2343elif enabled gpl; then
2344 license="GPL"
2345fi
2346
2347echo "License: $license"
ca5323af 2348
cf1392e9
DB
2349echo "Creating config.mak and config.h..."
2350
29799f8b
DB
2351echo "# Automatically generated by configure - do not modify!" > config.mak
2352echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2353echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2354echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2355echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2356echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2357
d921f03f 2358echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2359echo "prefix=$prefix" >> config.mak
22a324da
DB
2360echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2361echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2362echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2363echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2364echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2365echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2366echo "CC=$cc" >> config.mak
313c46a6 2367echo "AS=$as" >> config.mak
304d586d 2368echo "YASM=$yasmexe" >> config.mak
980fc7b8 2369echo "AR=$ar" >> config.mak
be7109c1 2370echo "RANLIB=$ranlib" >> config.mak
20369773 2371echo "LN_S=$ln_s" >> config.mak
87a0fb62 2372enabled stripping &&
3ae3b721 2373 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2374 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2375
a9b3f630 2376echo "OPTFLAGS=$CFLAGS" >> config.mak
0f3cb305 2377echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2378echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2379echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2380echo "YASMFLAGS=$YASMFLAGS" >> config.mak
80581e98 2381echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2382echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2383echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2384echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2385echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2386echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2387echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2388echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2389echo "SLIBSUF=$SLIBSUF" >> config.mak
2390echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2391echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2392echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2393echo "HOSTCC=$host_cc" >> config.mak
2394echo "HOSTCFLAGS=$host_cflags" >> config.mak
82bb3329 2395echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
9da6609f
MR
2396echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2397echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2398echo "TARGET_EXEC=$target_exec" >> config.mak
2399echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2400
90be59ef 2401if enabled bigendian; then
7483e694
DB
2402 echo "WORDS_BIGENDIAN=yes" >> config.mak
2403 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2404fi
44161118 2405
90be59ef 2406if enabled sdl; then
5e622c40
DB
2407 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2408 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
a86b921c 2409fi
90be59ef 2410if enabled texi2html; then
7483e694 2411 echo "BUILD_DOC=yes" >> config.mak
146ea952 2412fi
5a872801 2413
719c8e00
MR
2414get_version(){
2415 name=$1
2416 file=$source_path/$2
147e7692
MR
2417 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2418 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2419 lcname=$(tolower $name)
2420 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2421 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2422}
2423
147e7692
MR
2424get_version LIBSWSCALE libswscale/swscale.h
2425get_version LIBPOSTPROC libpostproc/postprocess.h
2426get_version LIBAVCODEC libavcodec/avcodec.h
2427get_version LIBAVDEVICE libavdevice/avdevice.h
2428get_version LIBAVFORMAT libavformat/avformat.h
2429get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2430get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2431
5af4e0cc 2432if enabled shared; then
7483e694
DB
2433 echo "BUILD_SHARED=yes" >> config.mak
2434 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2435 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2436 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2437 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2438 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2439 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2440 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2441 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2442 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2443fi
d7e27559 2444echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2445echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2446
7b5e8a27
DB
2447echo "ARCH=$arch" >> config.mak
2448
3d907e22
MR
2449print_config ARCH_ $TMPH config.mak $ARCH_LIST
2450print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2451print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2452 $CONFIG_EXTRA \
7483e694
DB
2453 $DECODER_LIST \
2454 $ENCODER_LIST \
2455 $PARSER_LIST \
2456 $BSF_LIST \
2457 $DEMUXER_LIST \
2458 $MUXER_LIST \
f7679c54 2459 $FILTER_LIST \
7483e694
DB
2460 $PROTOCOL_LIST \
2461 $INDEV_LIST \
2462 $OUTDEV_LIST \
8ac17293 2463
c13e1abd
FH
2464echo "#define restrict $_restrict" >> $TMPH
2465
bd2216e4 2466if enabled small; then
7483e694 2467 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2468fi
2469
997baf01
MR
2470echo "SRC_PATH=\"$source_path\"" >> config.mak
2471echo "SRC_PATH_BARE=$source_path" >> config.mak
2472echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2473
8156056e 2474# Apparently it's not possible to portably echo a backslash.
3ae3b721 2475enabled asmalign_pot &&
7483e694 2476 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2477 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2478
b4d96ba2 2479echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2480
9c05103f
DB
2481echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2482
b7860763 2483# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2484cmp -s $TMPH config.h &&
2485 echo "config.h is unchanged" ||
2486 mv -f $TMPH config.h
3d204385 2487
165af439 2488# build tree in object directory if source path is different from current one
90be59ef 2489if enabled source_path_used; then
165af439 2490 DIRS="\
7483e694
DB
2491 doc \
2492 libavcodec \
2493 libavcodec/alpha \
a2fc0f6a 2494 libavcodec/arm \
7483e694 2495 libavcodec/bfin \
7483e694
DB
2496 libavcodec/mlib \
2497 libavcodec/ppc \
2498 libavcodec/sh4 \
2499 libavcodec/sparc \
a6493a8f 2500 libavcodec/x86 \
52a9cf34 2501 libavdevice \
f7679c54 2502 libavfilter \
7483e694
DB
2503 libavformat \
2504 libavutil \
2505 libpostproc \
2506 libswscale \
2507 tests \
2508 tools \
7483e694 2509 "
165af439 2510 FILES="\
7483e694
DB
2511 Makefile \
2512 common.mak \
71c61f62 2513 subdir.mak \
7483e694
DB
2514 doc/texi2pod.pl \
2515 libavcodec/Makefile \
52a9cf34 2516 libavdevice/Makefile \
f7679c54 2517 libavfilter/Makefile \
7483e694
DB
2518 libavformat/Makefile \
2519 libavutil/Makefile \
2520 libpostproc/Makefile \
2521 libswscale/Makefile \
2522 "
165af439 2523 for dir in $DIRS ; do
7483e694 2524 mkdir -p $dir
165af439
MR
2525 done
2526 for f in $FILES ; do
20369773 2527 $ln_s "$source_path/$f" $f
165af439
MR
2528 done
2529fi
def4272a 2530
def4272a 2531
d0674868 2532# build pkg-config files
def4272a 2533
d0674868
DB
2534pkgconfig_generate(){
2535name=$1
b0dfd108 2536shortname=${name#lib}${build_suffix}
d0674868
DB
2537comment=$2
2538version=$3
2539libs=$4
2540requires=$5
25cd5cb3 2541cat <<EOF > $name/$name.pc
3e89171a 2542prefix=$prefix
a94e666c 2543exec_prefix=\${prefix}
f2b7382c 2544libdir=$libdir
7622778e 2545includedir=$incdir
def4272a 2546
d0674868
DB
2547Name: $name
2548Description: $comment
2549Version: $version
5dcfe9f8
AH
2550Requires: $(disabled shared && echo $requires)
2551Requires.private: $(enabled shared && echo $requires)
def4272a 2552Conflicts:
12701f6e
AH
2553Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2554Libs.private: $(enabled shared && echo $libs)
76a448ed 2555Cflags: -I\${includedir}
def4272a 2556EOF
25cd5cb3 2557cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2558prefix=
2559exec_prefix=
46d1ff83 2560libdir=\${pcfiledir}
1d44d365 2561includedir=${source_path}
def4272a 2562
d0674868
DB
2563Name: $name
2564Description: $comment
2565Version: $version
2566Requires: $requires
def4272a 2567Conflicts:
12701f6e 2568Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2569Cflags: -I\${includedir}
2570EOF
d0674868 2571}
def4272a 2572
e426941d 2573pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2574pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2575pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2576pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2577enabled avfilter &&
46983309 2578 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2579enabled postproc &&
e426941d 2580 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2581pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"