typo: beomes --> becomes
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
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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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63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
3e89171a 65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
14a8acf1 67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
74c53c2d 68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
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72 echo
73 echo "Configuration options:"
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74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
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76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
79 echo " and binaries will be unredistributable [no]"
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80 echo " --disable-ffmpeg disable ffmpeg build"
81 echo " --disable-ffplay disable ffplay build"
82 echo " --disable-ffserver disable ffserver build"
e6b9d588 83 echo " --enable-postproc enable GPLed postprocessing support [no]"
fdf11906 84 echo " --enable-avfilter video filter support [no]"
0a23c0bb 85 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
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86 echo " --enable-beosthreads use BeOS threads [no]"
87 echo " --enable-os2threads use OS/2 threads [no]"
88 echo " --enable-pthreads use pthreads [no]"
89 echo " --enable-w32threads use Win32 threads [no]"
90 echo " --enable-x11grab enable X11 grabbing [no]"
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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)"
a9ddb5b1 95 echo " --disable-swscale-alpha disable alpha channel support in swscale"
aa033b1e 96 echo " --disable-fastdiv disable table-based division"
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97 echo " --enable-small optimize for size instead of speed"
98 echo " --disable-aandct disable AAN DCT code"
99 echo " --disable-fft disable FFT code"
100 echo " --disable-golomb disable Golomb code"
101 echo " --disable-mdct disable MDCT code"
68602540 102 echo " --disable-rdft disable RDFT code"
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103 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
104 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
105 echo " --enable-beos-netserver enable BeOS netserver"
106 echo " --disable-encoder=NAME disable encoder NAME"
107 echo " --enable-encoder=NAME enable encoder NAME"
108 echo " --disable-encoders disable all encoders"
109 echo " --disable-decoder=NAME disable decoder NAME"
110 echo " --enable-decoder=NAME enable decoder NAME"
111 echo " --disable-decoders disable all decoders"
112 echo " --disable-muxer=NAME disable muxer NAME"
113 echo " --enable-muxer=NAME enable muxer NAME"
114 echo " --disable-muxers disable all muxers"
115 echo " --disable-demuxer=NAME disable demuxer NAME"
116 echo " --enable-demuxer=NAME enable demuxer NAME"
117 echo " --disable-demuxers disable all demuxers"
118 echo " --enable-parser=NAME enable parser NAME"
119 echo " --disable-parser=NAME disable parser NAME"
120 echo " --disable-parsers disable all parsers"
121 echo " --enable-bsf=NAME enable bitstream filter NAME"
122 echo " --disable-bsf=NAME disable bitstream filter NAME"
123 echo " --disable-bsfs disable all bitstream filters"
124 echo " --enable-protocol=NAME enable protocol NAME"
125 echo " --disable-protocol=NAME disable protocol NAME"
126 echo " --disable-protocols disable all protocols"
127 echo " --disable-indevs disable input devices"
128 echo " --disable-outdevs disable output devices"
129 echo " --disable-devices disable all devices"
130 echo " --enable-filter=NAME enable filter NAME"
131 echo " --disable-filter=NAME disable filter NAME"
132 echo " --disable-filters disable all filters"
133 echo " --list-decoders show all available decoders"
134 echo " --list-encoders show all available encoders"
135 echo " --list-muxers show all available muxers"
136 echo " --list-demuxers show all available demuxers"
137 echo " --list-parsers show all available parsers"
138 echo " --list-protocols show all available protocols"
139 echo " --list-bsfs show all available bitstream filters"
140 echo " --list-indevs show all available input devices"
141 echo " --list-outdevs show all available output devices"
142 echo " --list-filters show all available filters"
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143 echo
144 echo "External library support:"
0a23c0bb 145 echo " --enable-avisynth enable reading of AVISynth script files [no]"
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146 echo " --enable-bzlib enable bzlib [autodetect]"
147 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
148 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
f7b8bffe 149 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
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150 echo " and libraw1394 [no]"
151 echo " --enable-libdirac enable Dirac support via libdirac [no]"
152 echo " --enable-libfaac enable FAAC support via libfaac [no]"
153 echo " --enable-libfaad enable FAAD support via libfaad [no]"
154 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
155 echo " --enable-libgsm enable GSM support via libgsm [no]"
156 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 157 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 158 echo " native (de)muxer exists [no]"
9a77d59a 159 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
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160 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
161 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
162 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 163 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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164 echo " native implementation exists [no]"
165 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 166 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 167 echo " native MPEG-4/Xvid encoder exists [no]"
732c9a34 168 echo " --enable-mlib enable Sun medialib [no]"
27cb5cbc 169 echo " --enable-zlib enable zlib [autodetect]"
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170 echo ""
171 echo "Advanced options (experts only):"
172 echo " --source-path=PATH path to source code [$source_path]"
173 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 174 echo " --enable-cross-compile assume a cross-compiler is used"
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175 echo " --sysroot=PATH root of cross-build tree"
176 echo " --sysinclude=PATH location of cross-build system headers"
4f854758 177 echo " --target-os=OS compiler targets OS [$target_os]"
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178 echo " --target-exec=CMD command to run executables on target"
179 echo " --target-path=DIR path to view of build directory on target"
89641463 180 echo " --nm=NM use nm tool"
313c46a6 181 echo " --as=AS use assembler AS [$as_default]"
15396d5c 182 echo " --cc=CC use C compiler CC [$cc_default]"
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183 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
184 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
185 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
186 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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187 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
188 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
189 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 190 echo " --extra-version=STRING version string suffix []"
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191 echo " --build-suffix=SUFFIX library name suffix []"
192 echo " --arch=ARCH select architecture [$arch]"
193 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 194 echo " instruction selection, may crash on older CPUs)"
2b4c3615 195 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 196 echo " (requires enabling PMC)"
4f50c3d5 197 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 198 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 199 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
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200 echo " --disable-mmx disable MMX optimizations"
201 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 202 echo " --disable-sse disable SSE optimizations"
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203 echo " --disable-ssse3 disable SSSE3 optimizations"
204 echo " --disable-armv5te disable armv5te optimizations"
205 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 206 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 207 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 208 echo " --disable-iwmmxt disable iwmmxt optimizations"
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DB
209 echo " --disable-mmi disable MMI optimizations"
210 echo " --disable-neon disable neon optimizations"
211 echo " --disable-vis disable VIS optimizations"
7595a5e4 212 echo " --disable-yasm disable use of yasm assembler"
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213 echo
214 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 215 echo " --disable-debug disable debugging symbols"
b7d49373 216 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 217 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 218 echo " --disable-optimizations disable compiler optimizations"
0a622b98 219 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 220 echo " --disable-stripping disable stripping of executables and shared libraries"
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221 echo ""
222 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 223 exit 0
74c53c2d 224}
cf9d24ad 225
57bd82d4 226log(){
2270b4b2 227 echo "$@" >> $logfile
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228}
229
720c69da 230log_file(){
c8e9f801 231 log BEGIN $1
2270b4b2 232 pr -n -t $1 >> $logfile
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233 log END $1
234}
235
2ba042a7 236echolog(){
c8e9f801 237 log "$@"
57bd82d4 238 echo "$@"
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239}
240
241die(){
242 echolog "$@"
243 cat <<EOF
244If you think configure made a mistake, make sure you are using the latest
245version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 246ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 247EOF
e155a21a 248 if disabled logging; then
2ba042a7 249 cat <<EOF
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250Rerun configure with logging enabled (do not use --disable-logging), and
251include the log this produces with your report.
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252EOF
253 else
254cat <<EOF
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255Include the log file "$logfile" produced by configure as this will help
256solving the problem.
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257EOF
258 fi
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259 exit 1
260}
261
6c6007d6 262# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 263toupper(){
6c6007d6 264 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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265}
266
4a5444db 267tolower(){
6c6007d6 268 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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269}
270
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271c_escape(){
272 echo "$*" | sed 's/["\\]/\\\0/g'
273}
274
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275set_all(){
276 value=$1
277 shift
278 for var in $*; do
279 eval $var=$value
280 done
281}
282
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283set_weak(){
284 value=$1
285 shift
286 for var; do
287 eval : \${$var:=$value}
288 done
289}
290
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291pushvar(){
292 for var in $*; do
293 eval level=\${${var}_level:=0}
294 eval ${var}_${level}="\$$var"
295 eval ${var}_level=$(($level+1))
296 done
297}
298
299popvar(){
300 for var in $*; do
301 eval level=\${${var}_level:-0}
302 test $level = 0 && continue
303 eval level=$(($level-1))
304 eval $var="\${${var}_${level}}"
305 eval ${var}_level=$level
306 eval unset ${var}_${level}
307 done
308}
309
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310enable(){
311 set_all yes $*
312}
313
314disable(){
315 set_all no $*
316}
317
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318enable_weak(){
319 set_weak yes $*
320}
321
322disable_weak(){
323 set_weak no $*
324}
325
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326enable_safe(){
327 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
328}
329
330disable_safe(){
331 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
332}
333
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MR
334do_enable_deep(){
335 for var; do
336 enabled $var && continue
337 eval sel="\$${var}_select"
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338 eval sgs="\$${var}_suggest"
339 pushvar var sgs
f9d328da 340 enable_deep $sel
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341 popvar sgs
342 enable_deep_weak $sgs
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343 popvar var
344 done
345}
346
347enable_deep(){
348 do_enable_deep $*
349 enable $*
350}
351
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352enable_deep_weak(){
353 do_enable_deep $*
354 enable_weak $*
355}
356
57bd82d4 357enabled(){
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MR
358 test "${1#!}" = "$1" && op== || op=!=
359 eval test "x\$${1#!}" $op "xyes"
44161118
MR
360}
361
37970ebf 362disabled(){
3250003c
MR
363 test "${1#!}" = "$1" && op== || op=!=
364 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
365}
366
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MR
367enabled_all(){
368 for opt; do
369 enabled $opt || return 1
370 done
371}
372
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373disabled_all(){
374 for opt; do
375 disabled $opt || return 1
376 done
377}
378
44161118
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379enabled_any(){
380 for opt; do
381 enabled $opt && return 0
382 done
383}
384
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DB
385disabled_any(){
386 for opt; do
387 disabled $opt && return 0
388 done
f7b230a7 389 return 1
85bca2c5
DB
390}
391
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MR
392set_default(){
393 for opt; do
88268e94 394 eval : \${$opt:=\$${opt}_default}
c9d19248
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395 done
396}
397
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398is_in(){
399 value=$1
400 shift
401 for var in $*; do
402 [ $var = $value ] && return 0
403 done
404 return 1
405}
406
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407check_deps(){
408 for cfg; do
3250003c 409 cfg="${cfg#!}"
799c9e9b
MR
410 enabled ${cfg}_checking && die "Circular dependency for $cfg."
411 disabled ${cfg}_checking && continue
412 enable ${cfg}_checking
413
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MR
414 eval dep_all="\$${cfg}_deps"
415 eval dep_any="\$${cfg}_deps_any"
7ef3425f 416 eval dep_sel="\$${cfg}_select"
c510c7b5 417 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 418
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MR
419 pushvar cfg dep_all dep_any dep_sel dep_sgs
420 check_deps $dep_all $dep_any $dep_sel $dep_sgs
421 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 422
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423 enabled_all $dep_all || disable $cfg
424 enabled_any $dep_any || disable $cfg
7ef3425f 425 disabled_any $dep_sel && disable $cfg
799c9e9b 426
4ec45764
RP
427 if enabled $cfg; then
428 eval dep_extralibs="\$${cfg}_extralibs"
429 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 430 enable_deep $dep_sel
c510c7b5 431 enable_deep_weak $dep_sgs
4ec45764
RP
432 fi
433
799c9e9b 434 disable ${cfg}_checking
30fd06be
MR
435 done
436}
437
44161118
MR
438print_config(){
439 pfx=$1
440 header=$2
441 makefile=$3
442 shift 3
443 for cfg; do
5e622c40 444 ucname="$(toupper $cfg)"
44161118 445 if enabled $cfg; then
3d907e22 446 echo "#define ${pfx}${ucname} 1" >> $header
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MR
447 echo "${pfx}${ucname}=yes" >> $makefile
448 else
b250f9c6 449 echo "#define ${pfx}${ucname} 0" >> $header
44161118
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450 fi
451 done
57bd82d4
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452}
453
454flags_saved(){
2270b4b2 455 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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456}
457
dcd479c0 458save_flags(){
57bd82d4 459 flags_saved && return
dcd479c0
MR
460 SAVE_CFLAGS="$CFLAGS"
461 SAVE_LDFLAGS="$LDFLAGS"
462 SAVE_extralibs="$extralibs"
463}
464
465restore_flags(){
f5d28d10 466 flags_saved || return
dcd479c0
MR
467 CFLAGS="$SAVE_CFLAGS"
468 LDFLAGS="$SAVE_LDFLAGS"
469 extralibs="$SAVE_extralibs"
470 unset SAVE_CFLAGS
471 unset SAVE_LDFLAGS
472 unset SAVE_extralibs
473}
474
475temp_cflags(){
476 save_flags
477 CFLAGS="$CFLAGS $*"
478}
479
480temp_ldflags(){
481 save_flags
482 LDFLAGS="$LDFLAGS $*"
483}
484
485temp_extralibs(){
486 save_flags
487 extralibs="$extralibs $*"
488}
489
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490append(){
491 var=$1
492 shift
493 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
494 eval "$var=\"\$$var $*\""
495}
496
497add_cflags(){
498 append CFLAGS "$@"
499}
500
501add_ldflags(){
502 append LDFLAGS "$@"
503}
504
505add_extralibs(){
506 append extralibs "$@"
507}
508
b0cfb663 509check_cmd(){
b3cb5d51 510 log "$@"
2270b4b2 511 "$@" >> $logfile 2>&1
b0cfb663
MR
512}
513
dcd479c0 514check_cc(){
57bd82d4 515 log check_cc "$@"
2270b4b2 516 cat > $TMPC
720c69da 517 log_file $TMPC
b0cfb663 518 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
519}
520
521check_cpp(){
522 log check_cpp "$@"
2270b4b2 523 cat > $TMPC
720c69da 524 log_file $TMPC
b0cfb663 525 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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526}
527
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MR
528check_as(){
529 log check_as "$@"
530 cat > $TMPC
531 log_file $TMPC
532 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
533}
534
940f335a
MR
535check_asm(){
536 log check_asm "$@"
537 name="$1"
538 asm="$2"
539 shift 2
f65883c8 540 check_as "$@" <<EOF && enable $name || disable $name
124c21d7 541void foo(void){ __asm__ volatile($asm); }
940f335a
MR
542EOF
543}
544
304d586d
LM
545check_yasm(){
546 log check_yasm "$@"
547 echo "$1" > $TMPS
548 log_file $TMPS
549 shift 1
550 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
551}
552
dcd479c0 553check_ld(){
57bd82d4 554 log check_ld "$@"
0607887f 555 check_cc || return
3155a644
MR
556 flags=''
557 libs=''
558 for f; do
559 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
560 done
561 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
562}
563
564check_cflags(){
57bd82d4
MR
565 log check_cflags "$@"
566 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
567int x;
568EOF
569}
570
571check_ldflags(){
57bd82d4
MR
572 log check_ldflags "$@"
573 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 574int main(void){ return 0; }
dcd479c0
MR
575EOF
576}
577
578check_header(){
57bd82d4 579 log check_header "$@"
dcd479c0
MR
580 header=$1
581 shift
b77df637
MR
582 disable_safe $header
583 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
584#include <$header>
585int x;
586EOF
587}
588
589check_func(){
57bd82d4 590 log check_func "$@"
dcd479c0
MR
591 func=$1
592 shift
d8bc5f06
MR
593 disable $func
594 check_ld "$@" <<EOF && enable $func
dcd479c0 595extern int $func();
c23a0ac8 596int main(void){ $func(); }
dcd479c0
MR
597EOF
598}
599
2446d3d6
DB
600check_func_headers(){
601 log check_func_headers "$@"
f8d7b072
MR
602 headers=$1
603 func=$2
604 shift 2
605 disable $func
606 incs=""
607 for hdr in $headers; do
608 incs="$incs
609#include <$hdr>"
610 done
cd0d9a9d 611 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 612$incs
d6773f56 613int main(int argc, char **argv){
f8d7b072
MR
614 (void) $func;
615 return 0;
616}
617EOF
618}
619
a5344cf7
SS
620check_cpp_condition(){
621 log check_cpp_condition "$@"
622 header=$1
623 condition=$2
624 check_cpp <<EOF
625#include <$header>
626#if !($condition)
627#error "unsatisfied condition: $condition"
628#endif
629EOF
630}
631
57bd82d4
MR
632check_lib(){
633 log check_lib "$@"
634 header="$1"
635 func="$2"
636 shift 2
fcfcde17
MR
637 temp_extralibs "$@"
638 check_header $header && check_func $func && add_extralibs "$@"
639 err=$?
640 restore_flags
641 return $err
57bd82d4
MR
642}
643
f8d7b072
MR
644check_lib2(){
645 log check_lib2 "$@"
646 headers="$1"
647 func="$2"
648 shift 2
649 temp_extralibs "$@"
2446d3d6 650 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
651 err=$?
652 restore_flags
653 return $err
654}
655
dcd479c0 656check_exec(){
2270b4b2 657 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
658}
659
7dfef245 660check_exec_crash(){
5e622c40 661 code=$(cat)
7dfef245
MR
662
663 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
664 # are safe but may not be available everywhere. Thus we use
665 # raise(SIGTERM) instead. The check is run in a subshell so we
666 # can redirect the "Terminated" message from the shell. SIGBUS
667 # is not defined by standard C so it is used conditionally.
668
2270b4b2 669 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
670#include <signal.h>
671static void sighandler(int sig){
672 raise(SIGTERM);
673}
e5af4a11 674int main(void){
7dfef245
MR
675 signal(SIGILL, sighandler);
676 signal(SIGFPE, sighandler);
677 signal(SIGSEGV, sighandler);
678#ifdef SIGBUS
679 signal(SIGBUS, sighandler);
680#endif
681 { $code }
682}
683EOF
684}
685
72be9e73
DY
686check_type(){
687 log check_type "$@"
688 headers=$1
689 type=$2
690 shift 2
691 disable $type
692 incs=""
693 for hdr in $headers; do
694 incs="$incs
695#include <$hdr>"
696 done
697 check_cc "$@" <<EOF && enable $type
698$incs
699$type v;
700EOF
701}
702
57bd82d4
MR
703require(){
704 name="$1"
705 header="$2"
706 func="$3"
707 shift 3
708 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
709}
710
f8d7b072
MR
711require2(){
712 name="$1"
713 headers="$2"
714 func="$3"
715 shift 3
716 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
717}
718
eea50282
MR
719check_foo_config(){
720 cfg=$1
721 pkg=$2
722 header=$3
723 func=$4
724 shift 4
725 disable $cfg
726 check_cmd ${pkg}-config --version
727 err=$?
728 if test "$err" = 0; then
5e622c40
DB
729 temp_cflags $(${pkg}-config --cflags)
730 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
731 check_lib "$@" $header $func && enable $cfg
732 fi
733 return $err
734}
735
c505dd31
MR
736apply(){
737 file=$1
738 shift
739 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
740}
741
dcd61286
DB
742# CONFIG_LIST contains configurable options, while HAVE_LIST is for
743# system-dependent things.
744
4a0d6686
AJ
745COMPONENT_LIST="
746 bsfs
747 decoders
748 demuxers
749 encoders
3cde40aa 750 filters
c552605c 751 indevs
4a0d6686 752 muxers
c552605c 753 outdevs
4a0d6686
AJ
754 parsers
755 protocols
756"
757
758CONFIG_LIST="
759 $COMPONENT_LIST
e8ed9b7a 760 aandct
f7679c54
VS
761 avfilter
762 avfilter_lavf
c88f5d72
MR
763 avisynth
764 beos_netserver
f402916e 765 bzlib
27a9466b 766 fastdiv
c88f5d72
MR
767 ffmpeg
768 ffplay
769 ffserver
1848f7d9 770 fft
4f034993 771 golomb
c88f5d72 772 gpl
ecfc4f44 773 gprof
d8d0d0b2 774 gray
3abe5fbd 775 hardcoded_tables
c88f5d72 776 ipv6
f5a756ef
DB
777 libamr_nb
778 libamr_wb
f7b8bffe 779 libdc1394
690bfceb 780 libdirac
2eed5a46
DB
781 libfaac
782 libfaad
783 libfaadbin
c88f5d72 784 libgsm
6ebe07fb 785 libmp3lame
c88f5d72 786 libnut
9a77d59a 787 libopenjpeg
f7cd9eed 788 libschroedinger
ae14f311 789 libspeex
150d2772 790 libtheora
c88f5d72 791 libvorbis
1cc60c47
DB
792 libx264
793 libxvid
47a158cb 794 mdct
c88f5d72 795 memalign_hack
a8150374 796 mlib
c88f5d72
MR
797 mpegaudio_hp
798 network
3fe142e2 799 nonfree
4a24ab64 800 postproc
2b4c3615 801 powerpc_perf
68602540 802 rdft
2e35e684 803 shared
bd2216e4 804 small
2e35e684 805 static
a9ddb5b1 806 swscale_alpha
56a059ac 807 x11grab
c88f5d72 808 zlib
4a0d6686 809"
c88f5d72 810
8eee7025
DB
811THREADS_LIST='
812 beosthreads
d22e8442 813 os2threads
8eee7025
DB
814 pthreads
815 w32threads
816'
817
3f5b56e5
MR
818ARCH_LIST='
819 alpha
a2fc0f6a 820 arm
3f5b56e5
MR
821 bfin
822 ia64
823 m68k
824 mips
825 parisc
79cb09b2 826 ppc
3f5b56e5
MR
827 s390
828 sh4
829 sparc
830 sparc64
831 x86
832 x86_32
833 x86_64
834'
835
836ARCH_EXT_LIST='
1ac9331a 837 altivec
3bf96eec 838 amd3dnow
a1ef9f08 839 amd3dnowext
1ac9331a 840 armv5te
edab3048 841 armv6
ab5cb084 842 armv6t2
f55b299a 843 armvfp
3f5b56e5
MR
844 iwmmxt
845 mmi
846 mmx
d7f0920b 847 mmx2
6b18d278 848 neon
799fde37 849 ppc4xx
1bb04d5a 850 sse
9eeed841 851 ssse3
bd9d34a0 852 vis
3f5b56e5
MR
853'
854
855HAVE_LIST="
856 $ARCH_EXT_LIST
857 $THREADS_LIST
35fd8122 858 alsa_asoundlib_h
3f5b56e5 859 altivec_h
c9fdab0d 860 arpa_inet_h
6bd859d6 861 bswap
ecf97f22 862 closesocket
1ac9331a 863 cmov
e16e49ac 864 conio_h
c88f5d72 865 dcbzl
f8aa696f
DB
866 dev_bktr_ioctl_bt848_h
867 dev_bktr_ioctl_meteor_h
868 dev_ic_bt8xx_h
869 dev_video_meteor_ioctl_meteor_h
870 dev_video_bktr_ioctl_bt848_h
18b67ae5 871 dlfcn_h
c88f5d72 872 dlopen
bc574408 873 dos_paths
245626d0
DB
874 ebp_available
875 ebx_available
c2a29455 876 fast_64bit
7073e9fc 877 fast_cmov
7b829d2a 878 fast_unaligned
9d99cc5a 879 fork
da9e86f8 880 gethrtime
4e68cb8a 881 GetProcessTimes
66be5b45 882 getrusage
2e1913b1 883 inet_aton
61d251db 884 inline_asm
0b4a1821
AS
885 libdc1394_1
886 libdc1394_2
a33cab3a
MK
887 llrint
888 lrint
c88f5d72 889 lrintf
f8aa696f
DB
890 machine_ioctl_bt848_h
891 machine_ioctl_meteor_h
c88f5d72
MR
892 malloc_h
893 memalign
6ffa87d3 894 mkstemp
b4e806b2 895 pld
1f91cdce 896 posix_memalign
9cafbd6c 897 ppc64
a33cab3a
MK
898 round
899 roundf
c88f5d72
MR
900 sdl
901 sdl_video_size
b507ebd1 902 setmode
72be9e73 903 socklen_t
deb29777 904 soundcard_h
f8cda19e 905 poll_h
b58412f1 906 sys_mman_h
b091aa44 907 sys_resource_h
81644c2e 908 sys_select_h
deb29777 909 sys_soundcard_h
1b6e8b73 910 sys_videoio_h
d3a4b4e0 911 ten_operands
e16e49ac 912 termios_h
b265431e 913 threads
7b04b8a0 914 truncf
7c5bfe7a 915 VirtualAlloc
6ff3f3e7 916 winsock2_h
304d586d 917 yasm
0cb78cef 918"
44161118 919
b6bb00b0
MR
920# options emitted with CONFIG_ prefix but not available on command line
921CONFIG_EXTRA="
b6bb00b0
MR
922"
923
520cc7f1 924CMDLINE_SELECT="
3f5b56e5 925 $ARCH_EXT_LIST
520cc7f1 926 $CONFIG_LIST
8eee7025 927 $THREADS_LIST
db6107b6 928 cross_compile
520cc7f1
MR
929 debug
930 extra_warnings
8c6afa4d 931 logging
d2bbb2f7 932 optimizations
87a0fb62 933 stripping
7595a5e4 934 yasm
520cc7f1 935"
426be5dc
DB
936
937PATHS_LIST='
d156bede 938 bindir
14a8acf1 939 datadir
26759c44
MR
940 incdir
941 libdir
26759c44
MR
942 mandir
943 prefix
944 shlibdir
426be5dc
DB
945'
946
947CMDLINE_SET="
948 $PATHS_LIST
949 arch
313c46a6 950 as
426be5dc
DB
951 build_suffix
952 cc
953 cpu
954 cross_prefix
ac63af34 955 extra_version
9da6609f
MR
956 host_cc
957 host_cflags
958 host_ldflags
959 host_libs
82bb3329 960 host_os
426be5dc 961 logfile
89641463 962 nm
26759c44 963 source_path
c5200f17
MR
964 sysinclude
965 sysroot
a7ada2ba 966 target_exec
26759c44 967 target_os
a7ada2ba 968 target_path
426be5dc 969"
520cc7f1 970
912f3148
DB
971# code dependency declarations
972
9eeed841 973# architecture extensions
79cb09b2 974altivec_deps="ppc"
3bf96eec 975amd3dnow_deps="mmx"
a1ef9f08 976amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
977armv5te_deps="arm"
978armv6_deps="arm"
ab5cb084 979armv6t2_deps="arm"
a2fc0f6a
MR
980armvfp_deps="arm"
981iwmmxt_deps="arm"
e241ba14 982mmi_deps="mips"
9eeed841 983mmx_deps="x86"
75aa95a6 984mmx2_deps="mmx"
a2fc0f6a 985neon_deps="arm"
799fde37 986ppc4xx_deps="ppc"
75aa95a6
DB
987sse_deps="mmx"
988ssse3_deps="sse"
bd9d34a0 989vis_deps="sparc"
9eeed841 990
912f3148 991# decoders / encoders
47a158cb 992aac_decoder_select="fft mdct"
d8d12c15 993ac3_decoder_deps="gpl"
47a158cb
MR
994ac3_decoder_select="fft mdct"
995atrac3_decoder_select="fft mdct"
4f034993 996cavs_decoder_select="golomb"
47a158cb 997cook_decoder_select="fft mdct"
2eef7c62 998cscd_decoder_suggest="zlib"
47a158cb 999dca_decoder_select="fft mdct"
e8ed9b7a 1000dnxhd_encoder_select="aandct"
2eef7c62 1001dxa_decoder_select="zlib"
406ab5cc 1002eac3_decoder_deps="gpl"
47a158cb 1003eac3_decoder_select="fft mdct"
e8ed9b7a 1004eatgq_decoder_select="aandct"
d52b39c7 1005eatqi_decoder_select="aandct"
4f034993
MR
1006ffv1_decoder_select="golomb"
1007flac_decoder_select="golomb"
1008flac_encoder_select="golomb"
2eef7c62
AJ
1009flashsv_decoder_select="zlib"
1010flashsv_encoder_select="zlib"
e8ed9b7a
DB
1011flv_encoder_select="aandct"
1012h261_encoder_select="aandct"
1013h263_encoder_select="aandct"
1014h263p_encoder_select="aandct"
4f034993 1015h264_decoder_select="golomb"
711dae77 1016h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb 1017imc_decoder_select="fft mdct"
4f034993
MR
1018jpegls_decoder_select="golomb"
1019jpegls_encoder_select="golomb"
e8ed9b7a 1020ljpeg_encoder_select="aandct"
4f034993 1021loco_decoder_select="golomb"
e8ed9b7a
DB
1022mjpeg_encoder_select="aandct"
1023mpeg1video_encoder_select="aandct"
1024mpeg2video_encoder_select="aandct"
1025mpeg4_encoder_select="aandct"
711dae77
DB
1026mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1027mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
8f6f050a 1028mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1029msmpeg4v1_encoder_select="aandct"
1030msmpeg4v2_encoder_select="aandct"
1031msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1032nellymoser_decoder_select="fft mdct"
1033nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1034png_decoder_select="zlib"
1035png_encoder_select="zlib"
63cae55d 1036qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1037rv10_encoder_select="aandct"
1038rv20_encoder_select="aandct"
d52b39c7
AJ
1039rv30_decoder_select="golomb"
1040rv40_decoder_select="golomb"
4f034993
MR
1041shorten_decoder_select="golomb"
1042sonic_decoder_select="golomb"
1043sonic_encoder_select="golomb"
1044sonic_ls_encoder_select="golomb"
1045svq3_decoder_select="golomb"
bee2eac5 1046svq3_decoder_suggest="zlib"
2eef7c62
AJ
1047tiff_decoder_suggest="zlib"
1048tiff_encoder_suggest="zlib"
1049tscc_decoder_select="zlib"
711dae77 1050vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb
MR
1051vorbis_decoder_select="fft mdct"
1052vorbis_encoder_select="fft mdct"
1053wmav1_decoder_select="fft mdct"
1054wmav1_encoder_select="fft mdct"
1055wmav2_decoder_select="fft mdct"
1056wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1057wmv1_encoder_select="aandct"
1058wmv2_encoder_select="aandct"
711dae77 1059wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2eef7c62
AJ
1060zlib_decoder_select="zlib"
1061zlib_encoder_select="zlib"
1062zmbv_decoder_select="zlib"
1063zmbv_encoder_select="zlib"
30fd06be 1064
912f3148 1065# external libraries
f5a756ef
DB
1066libamr_nb_decoder_deps="libamr_nb"
1067libamr_nb_encoder_deps="libamr_nb"
1068libamr_wb_decoder_deps="libamr_wb"
1069libamr_wb_encoder_deps="libamr_wb"
1b71f045 1070libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1071libdirac_encoder_deps="libdirac"
c9171a83 1072libfaac_encoder_deps="libfaac"
69ddbd1d 1073libfaad_decoder_deps="libfaad"
4ec45764 1074libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1075libgsm_decoder_deps="libgsm"
1076libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1077libgsm_ms_decoder_deps="libgsm"
1078libgsm_ms_encoder_deps="libgsm"
1cc60c47 1079libmp3lame_encoder_deps="libmp3lame"
9a77d59a 1080libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1081libschroedinger_decoder_deps="libschroedinger"
1082libschroedinger_encoder_deps="libschroedinger"
ae14f311 1083libspeex_decoder_deps="libspeex"
150d2772 1084libtheora_encoder_deps="libtheora"
b0caf888 1085libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1086libx264_encoder_deps="libx264"
1087libxvid_encoder_deps="libxvid"
30fd06be 1088
912f3148 1089# demuxers / muxers
03a76ba9 1090ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1091alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1092alsa_demuxer_extralibs="-lasound"
1093alsa_muxer_deps="alsa_asoundlib_h"
1094alsa_muxer_extralibs="-lasound"
50383e88 1095audio_beos_demuxer_deps="audio_beos"
4ec45764 1096audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1097audio_beos_muxer_deps="audio_beos"
4ec45764 1098audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1099avisynth_demuxer_deps="avisynth"
73483024 1100bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1101dirac_demuxer_deps="dirac_parser"
fe9bb347 1102dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1103libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1104libnut_demuxer_deps="libnut"
1105libnut_muxer_deps="libnut"
2eef7c62
AJ
1106matroska_demuxer_suggest="zlib bzlib"
1107mov_demuxer_suggest="zlib"
4bd8e17c 1108mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1109oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1110oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1111redir_demuxer_deps="network"
8eb793c4 1112rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1113rtsp_demuxer_deps="sdp_demuxer"
1114sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1115v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1116v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1117vfwcap_demuxer_deps="capCreateCaptureWindow"
1118vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1119x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1120x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1121
912f3148 1122# protocols
3fff6382 1123gopher_protocol_deps="network"
c08fb000
AB
1124http_protocol_deps="network"
1125rtp_protocol_deps="udp_protocol"
1126tcp_protocol_deps="network"
1127udp_protocol_deps="network"
1128
f7679c54 1129# filters
81124ba0 1130movie_filter_deps="avfilter_lavf"
f7679c54 1131
912f3148 1132# programs
fa859b4d 1133ffplay_deps="sdl"
6ad42348 1134ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1135ffserver_extralibs='$ldl'
a2830dca 1136
912f3148 1137
de6d9b64 1138# default parameters
8a608357 1139
2ba042a7 1140logfile="config.err"
8a608357
MR
1141
1142# installation paths
c9d19248
MR
1143prefix_default="/usr/local"
1144bindir_default='${prefix}/bin'
14a8acf1 1145datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1146incdir_default='${prefix}/include'
1147libdir_default='${prefix}/lib'
1148mandir_default='${prefix}/share/man'
1149shlibdir_default="$libdir_default"
8a608357
MR
1150
1151# toolchain
11e6d03a 1152ar="ar"
13c7df3d 1153cc_default="gcc"
9da6609f 1154host_cc_default="gcc"
11e6d03a 1155ln_s="ln -sf"
89641463 1156nm_default="nm"
11e6d03a 1157objformat="elf"
be7109c1 1158ranlib="ranlib"
0f3cb305 1159strip="strip"
11e6d03a 1160yasmexe="yasm"
8a608357
MR
1161
1162# machine
5e622c40 1163arch=$(uname -m)
38d0a8aa 1164cpu="generic"
8a608357 1165
8a608357 1166# OS
4f854758 1167target_os=$(tolower $(uname -s))
82bb3329 1168host_os=$target_os
8a608357 1169
8a608357 1170# configurable options
497237c7 1171enable debug
aa033b1e 1172enable fastdiv
497237c7
RP
1173enable ffmpeg
1174enable ffplay
1175enable ffserver
1176enable ipv6
497237c7
RP
1177enable mpegaudio_hp
1178enable network
8400d6b8 1179enable optimizations
497237c7 1180enable protocols
530dc538 1181enable static
87a0fb62 1182enable stripping
a9ddb5b1 1183enable swscale_alpha
8a608357 1184
8a608357 1185# build settings
11a9d3e8 1186add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1187SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1188FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1189LIBPREF="lib"
1190LIBSUF=".a"
c5f14466
RP
1191FULLNAME='$(NAME)$(BUILDSUF)'
1192LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1193SLIBPREF="lib"
1194SLIBSUF=".so"
c5f14466 1195SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1196SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1197SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1198LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1199
9da6609f
MR
1200host_cflags='-O3 -g -Wall'
1201host_libs='-lm'
1202
a7ada2ba
MR
1203target_path='.'
1204
0d7dca36
DB
1205# gcc stupidly only outputs the basename of targets with -MM, but we need the
1206# full relative path for objects in subdirectories for non-recursive Make.
333d5374 1207DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1208
c597172e 1209# find source path
5e622c40 1210source_path="$(dirname "$0")"
497237c7 1211enable source_path_used
c597172e 1212if test -z "$source_path" -o "$source_path" = "." ; then
5e622c40 1213 source_path="$(pwd)"
497237c7 1214 disable source_path_used
c597172e 1215else
5e622c40 1216 source_path="$(cd "$source_path"; pwd)"
c597172e 1217 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1218 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1219 test -e "$source_path/config.h" &&
1220 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1221fi
1222
c597172e
MR
1223FFMPEG_CONFIGURATION="$@"
1224
73ef8980
MR
1225find_things(){
1226 thing=$1
1227 pattern=$2
1228 file=$source_path/$3
932ccf39 1229 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1230}
1231
1232ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1233DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1234PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1235BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1236MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1237DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1238OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1239INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1240PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1241FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1242
7483e694
DB
1243enable $ARCH_EXT_LIST \
1244 $DECODER_LIST \
1245 $ENCODER_LIST \
1246 $PARSER_LIST \
1247 $BSF_LIST \
1248 $DEMUXER_LIST \
1249 $MUXER_LIST \
f7679c54 1250 $FILTER_LIST \
7483e694
DB
1251 $PROTOCOL_LIST \
1252 $INDEV_LIST \
1253 $OUTDEV_LIST \
c597172e
MR
1254
1255die_unknown(){
1256 echo "Unknown option \"$1\"."
1257 echo "See $0 --help for available options."
1258 exit 1
1259}
1260
794f8e97 1261show_list() {
bf0c4afa
RP
1262 suffix=_$1
1263 shift
1264 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1265 exit 0
1266}
1267
c597172e 1268for opt do
7483e694
DB
1269 optval="${opt#*=}"
1270 case "$opt" in
0f010b2f 1271 --extra-cflags=*) add_cflags $optval
7483e694 1272 ;;
0f010b2f 1273 --extra-ldflags=*) add_ldflags $optval
7483e694 1274 ;;
0f010b2f 1275 --extra-libs=*) add_extralibs $optval
7483e694 1276 ;;
8fb1cb58 1277 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1278 ;;
40bcf4c7
BL
1279 --enable-debug=*) debuglevel="$optval"
1280 ;;
7483e694 1281 --enable-*=*|--disable-*=*)
5e622c40 1282 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
7483e694 1283 case "$thing" in
81124ba0 1284 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1285 *) die_unknown "$opt" ;;
1286 esac
1287 ;;
1288 --enable-?*|--disable-?*)
5e622c40 1289 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55
MR
1290 if is_in $option $COMPONENT_LIST; then
1291 eval $action \$$(toupper ${option%s})_LIST
1292 elif is_in $option $CMDLINE_SELECT; then
1293 $action $option
1294 else
1295 die_unknown $opt
1296 fi
7483e694
DB
1297 ;;
1298 --list-*)
1299 NAME="${opt#--list-}"
1300 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1301 NAME=${NAME%s}
1302 eval show_list $NAME \$$(toupper $NAME)_LIST
1303 ;;
1304 --help|-h) show_help
1305 ;;
1306 *)
884a36a7 1307 optname="${opt%%=*}"
26759c44
MR
1308 optname="${optname#--}"
1309 optname=$(echo "$optname" | sed 's/-/_/g')
1310 is_in $optname $CMDLINE_SET || die_unknown $opt
1311 eval $optname='$optval'
7483e694
DB
1312 ;;
1313 esac
c597172e
MR
1314done
1315
bcea99bb
MR
1316disabled logging && logfile=/dev/null
1317
1318echo "# $0 $@" > $logfile
1319set >> $logfile
1320
9da6609f
MR
1321test -n "$cross_prefix" && enable cross_compile
1322
adb2b908 1323ar="${cross_prefix}${ar}"
11e6d03a 1324cc_default="${cross_prefix}${cc_default}"
20e0ed95 1325nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1326ranlib="${cross_prefix}${ranlib}"
1327strip="${cross_prefix}${strip}"
1328
c5200f17
MR
1329sysinclude_default="${sysroot}/usr/include"
1330
75800dce
MR
1331set_default cc nm sysinclude
1332as_default=$cc
9da6609f
MR
1333enabled cross_compile || host_cc_default=$cc
1334set_default host_cc
13c7df3d 1335
82bb3329
MR
1336exesuf() {
1337 case $1 in
1338 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1339 esac
1340}
1341
1342EXESUF=$(exesuf $target_os)
1343HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1344
e4e69e0b 1345# set temporary file name
a49d42c2 1346: ${TMPDIR:=$TEMPDIR}
c51fafa1 1347: ${TMPDIR:=$TMP}
a49d42c2 1348: ${TMPDIR:=/tmp}
e4e69e0b 1349
54460a83
MR
1350if ! check_cmd type mktemp; then
1351 # simple replacement for missing mktemp
1352 # NOT SAFE FOR GENERAL USE
1353 mktemp(){
1354 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1355 }
1356fi
1357
1358tmpfile(){
1359 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1360 (set -C; exec > $tmp) 2>/dev/null ||
1361 die "Unable to create temoporary file in $TMPDIR."
1362 append TMPFILES $tmp
1363 eval $1=$tmp
1364}
1365
1366trap 'rm -f -- $TMPFILES' EXIT
1367trap exit HUP INT TERM
1368
1369tmpfile TMPC .c
1370tmpfile TMPE $EXESUF
1371tmpfile TMPH .h
1372tmpfile TMPO .o
1373tmpfile TMPS .S
1374tmpfile TMPSH .sh
1375
1376unset -f mktemp
e4e69e0b 1377
993f2d0f
MR
1378# make sure we can execute files in $TMPDIR
1379cat > $TMPSH 2>> $logfile <<EOF
1380#! /bin/sh
1381EOF
1382chmod +x $TMPSH >> $logfile 2>&1
1383if ! $TMPSH >> $logfile 2>&1; then
1384 cat <<EOF
1385Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1386variable to another directory and make sure that it is not mounted noexec.
1387EOF
1388 die "Sanity test failed."
1389fi
993f2d0f 1390
3a636b6f 1391if $cc --version 2>/dev/null | grep -qi gcc; then
629687f6
MR
1392 cc_type=gcc
1393elif $cc --version 2>/dev/null | grep -q Intel; then
1394 cc_type=icc
1395elif $cc -v 2>&1 | grep -q xlc; then
1396 cc_type=xlc
df442a8d
MR
1397elif $cc -V 2>/dev/null | grep -q Compaq; then
1398 cc_type=ccc
1399 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
03754fcd 1400 debuglevel=3
df442a8d 1401 add_ldflags -Wl,-z,now # calls to libots crash without this
03e37762
MR
1402elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1403 test -d "$sysroot" || die "No valid sysroot specified."
1404 cc_type=armcc
1405 armcc_conf="$PWD/armcc.conf"
1406 $cc --arm_linux_configure \
1407 --arm_linux_config_file="$armcc_conf" \
1408 --configure_sysroot="$sysroot" \
1409 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1410 die "Error creating armcc configuration file."
1411 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1412 as_default="${cross_prefix}gcc"
629687f6
MR
1413fi
1414
1415test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1416
75800dce
MR
1417set_default as
1418
154d432c
MR
1419if test -n "$sysroot"; then
1420 case "$cc_type" in
1421 gcc)
1422 add_cflags --sysroot="$sysroot"
1423 add_ldflags --sysroot="$sysroot"
1424 ;;
1425 esac
1426fi
1427
993f2d0f
MR
1428# compiler sanity check
1429check_exec <<EOF
1430int main(void){ return 0; }
1431EOF
1432if test "$?" != 0; then
1433 echo "$cc is unable to create an executable file."
1434 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1435 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1436 echo "Only do this if you know what cross compiling means."
1437 fi
1438 die "C compiler test failed."
1439fi
1440
e9b9a2f8 1441check_cflags -std=c99
9d821fc2
DB
1442check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1443#include <stdlib.h>
1444EOF
1445check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1446#include <stdlib.h>
1447EOF
e9b9a2f8 1448
b24dbcbd 1449case "$arch" in
b24dbcbd
RP
1450 alpha)
1451 arch="alpha"
1452 enable fast_64bit
c0a02a3e 1453 check_cflags -mieee
b24dbcbd 1454 ;;
cfdb6148
MR
1455 arm|armv[4567]*l)
1456 arch="arm"
b24dbcbd 1457 ;;
f4870943
MR
1458 avr32)
1459 ;;
cfdb6148
MR
1460 bfin)
1461 arch="bfin"
1462 ;;
1463 ia64)
1464 arch="ia64"
b24dbcbd 1465 enable fast_64bit
cfdb6148
MR
1466 ;;
1467 m68k)
1468 arch="m68k"
b24dbcbd 1469 ;;
de3a1240 1470 mips|mipsel|IP*)
b24dbcbd
RP
1471 arch="mips"
1472 ;;
de3a1240
DB
1473 mips64)
1474 arch="mips"
1475 enable fast_64bit
1476 ;;
61597a98 1477 parisc|hppa)
b24dbcbd
RP
1478 arch="parisc"
1479 ;;
61597a98 1480 parisc64|hppa64)
b24dbcbd
RP
1481 arch="parisc"
1482 enable fast_64bit
1483 ;;
cfdb6148
MR
1484 "Power Macintosh"|ppc|powerpc)
1485 arch="ppc"
1486 enable fast_unaligned
1487 ;;
1488 ppc64)
1489 arch="ppc"
1490 enable fast_64bit
1491 enable fast_unaligned
1492 ;;
b24dbcbd
RP
1493 s390|s390x)
1494 arch="s390"
1495 ;;
cfdb6148
MR
1496 sh4|sh)
1497 arch="sh4"
b24dbcbd 1498 ;;
cfdb6148
MR
1499 sparc)
1500 arch="sparc"
1501 ;;
1502 sun4u|sparc64)
1503 arch="sparc"
1504 subarch="sparc64"
b24dbcbd
RP
1505 enable fast_64bit
1506 ;;
cfdb6148
MR
1507 i386|i486|i586|i686|i86pc|BePC)
1508 arch="x86"
1509 subarch="x86_32"
1510 enable fast_unaligned
1511 ;;
1512 x86_64|amd64)
1513 arch="x86"
1514 subarch="x86_32"
1515 enable cmov
1516 enable fast_cmov
1517 enable fast_unaligned
1518 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1519 int test[sizeof(char*) - 7];
1520EOF
b24dbcbd
RP
1521 ;;
1522 *)
1523 arch="unknown"
1524 ;;
1525esac
1526
62045d48 1527enable $arch $subarch
b24dbcbd 1528
7483e694 1529# OS specific
4f854758 1530case $target_os in
7483e694 1531 beos|haiku|zeta)
c9d19248 1532 prefix_default="$HOME/config"
7483e694 1533 # helps building libavcodec
0f010b2f 1534 add_cflags -DPIC -fomit-frame-pointer
7483e694 1535 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 1536 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
1537 case "$gcc_version" in
1538 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1539 disable mmx
1540 ;;
1541 *20010315*) echo "BeBits gcc"
0f010b2f 1542 add_cflags -fno-expensive-optimizations
7483e694
DB
1543 ;;
1544 esac
7483e694
DB
1545 SHFLAGS=-nostart
1546 # enable BeOS things
1547 enable audio_beos
1548 # no need for libm, but the inet stuff
1549 # Check for BONE
1550 # XXX: actually should check for NOT net_server
78fe7631 1551 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1552 network_extralibs="-lbind -lsocket"
1553 else
1554 enable beos_netserver
1555 network_extralibs="-lnet"
1556 fi ;;
1557 sunos)
1558 FFSERVERLDFLAGS=""
9987769a 1559 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1560 network_extralibs="-lsocket -lnsl"
e193c74e 1561 add_cflags -D__EXTENSIONS__
7483e694
DB
1562 ;;
1563 netbsd)
1564 oss_demuxer_extralibs="-lossaudio"
1565 oss_muxer_extralibs="-lossaudio"
1566 ;;
1567 openbsd)
1568 disable need_memalign
1569 LIBOBJFLAGS='$(PIC)'
7483e694 1570 SHFLAGS='-shared'
7483e694
DB
1571 oss_demuxer_extralibs="-lossaudio"
1572 oss_muxer_extralibs="-lossaudio"
1573 ;;
1574 freebsd)
1575 disable need_memalign
1576 ;;
1577 bsd/os)
1578 osextralibs="-lpoll -lgnugetopt"
1579 strip="strip -d"
1580 ;;
1581 darwin)
1582 disable need_memalign
0138c54e 1583 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
1584 strip="strip -x"
1585 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1586 SLIBSUF=".dylib"
1587 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1588 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1589 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1590 objformat="macho"
1b0f6fb8 1591 enabled x86_64 && objformat="macho64"
7483e694
DB
1592 ;;
1593 mingw32*)
4f854758 1594 target_os=mingw32
dcc01c06 1595 LIBTARGET=i386
1fc9fb8a 1596 if enabled x86_64; then
dcc01c06
RP
1597 disable need_memalign
1598 LIBTARGET=x64
1599 fi
fbd971a4 1600 shlibdir_default="$bindir_default"
7483e694
DB
1601 disable ffserver
1602 SLIBPREF=""
1603 SLIBSUF=".dll"
7483e694
DB
1604 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1605 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 1606 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1607 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1608 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1609 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1610 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1611 objformat="win32"
bc574408 1612 enable dos_paths
b1549d61 1613 if ! enabled x86_64; then
f7ad5aa2
RP
1614 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1615 die "ERROR: MinGW runtime version must be >= 3.15."
1616 enabled_any avisynth vfwcap_demuxer &&
1617 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1618 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1619 fi
7483e694
DB
1620 ;;
1621 cygwin*)
4f854758 1622 target_os=cygwin
fbd971a4 1623 shlibdir_default="$bindir_default"
7483e694
DB
1624 SLIBPREF="cyg"
1625 SLIBSUF=".dll"
1626 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1627 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1628 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1629 objformat="win32"
bc574408 1630 enable dos_paths
7483e694 1631 ;;
4f365f37 1632 *-dos|freedos|opendos)
fdf11906 1633 disable ffplay ffserver
4f365f37
MK
1634 disable $INDEV_LIST $OUTDEV_LIST
1635 network_extralibs="-lsocket"
ff1c015d 1636 objformat="coff"
bc574408 1637 enable dos_paths
4f365f37 1638 ;;
7483e694 1639 linux)
7483e694
DB
1640 enable dv1394
1641 ;;
1642 irix*)
4f854758 1643 target_os=irix
7483e694
DB
1644 ranlib="echo ignoring ranlib"
1645 ;;
d22e8442 1646 os/2*)
d22e8442
DY
1647 strip="lxlite"
1648 ln_s="cp -f"
d22e8442 1649 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1650 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1651 FFSERVERLDFLAGS=""
287d3b13 1652 LIBSUF="_s.a"
d22e8442
DY
1653 SLIBPREF=""
1654 SLIBSUF=".dll"
1655 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1656 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1657 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1658 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1659 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1660 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1661 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1662 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1663 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1664 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1665 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1666 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 1667 enable dos_paths
d22e8442
DY
1668 ;;
1669
7483e694 1670 *)
4f924f9a 1671 die "Unknown OS '$target_os'."
7483e694
DB
1672 ;;
1673esac
1674
c9d19248
MR
1675set_default $PATHS_LIST
1676
c597172e 1677add_extralibs $osextralibs
de6d9b64 1678
28d8e661
DB
1679# Combine FFLDFLAGS and the LDFLAGS environment variable.
1680LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1681
320d060a 1682# we need to build at least one lib type
93b3c083 1683if ! enabled_any static shared; then
320d060a
DB
1684 cat <<EOF
1685At least one library type must be built.
1686Specify --enable-static to build the static libraries or --enable-shared to
1687build the shared libraries as well. To only build the shared libraries specify
1688--disable-static in addition to --enable-shared.
1689EOF
1690 exit 1;
1691fi
1692
abc4e572 1693disabled static && LIBNAME=""
2a320695 1694
a2234ceb
RP
1695if enabled_any libfaad libfaadbin ; then
1696 if check_header faad.h; then
295b8c70 1697 check_cc <<EOF
a2234ceb
RP
1698#include <faad.h>
1699#ifndef FAAD2_VERSION
1700ok faad1
1701#endif
db817cf3 1702int main(void) { return 0; }
a2234ceb
RP
1703EOF
1704 test $? = 0 && enable libfaad2
1705 else
ff3dac65 1706 die "FAAD test failed."
a2234ceb
RP
1707 fi
1708fi
1709
1710
93b3c083 1711if ! enabled gpl; then
54118497
RP
1712 die_gpl_disabled(){
1713 name=$1
1714 shift
1715 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1716 }
4a24ab64 1717 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1718 die_gpl_disabled "libx264" libx264
1719 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1720 die_gpl_disabled "FAAD2" libfaad2
1721 die_gpl_disabled "The X11 grabber" x11grab
ebb810d9 1722fi
b2e3c528 1723
3fe142e2
DB
1724if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1725 die "libamr is nonfree and --enable-nonfree is not specified."
1726fi
1727
9eeed841 1728check_deps $ARCH_EXT_LIST
0f3cb305 1729
5d323602
MR
1730test -z "$need_memalign" && need_memalign="$mmx"
1731
cf9d24ad 1732#Darwin CC versions
4f854758 1733if test $target_os = darwin; then
629687f6 1734 if enabled xlc; then
0f010b2f 1735 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1736 else
0f010b2f
DB
1737 add_cflags -pipe
1738 check_cflags -force_cpusubtype_ALL
1739 check_cflags -Wno-sign-compare
f946a9a4 1740 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1741 fi
2a1a6b64
MN
1742fi
1743
40617a6d 1744disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1745
a4adb608 1746# Add processor-specific flags
38d0a8aa 1747if test $cpu != "generic"; then
bc8ec47b
MR
1748 warn_altivec(){
1749 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1750 }
38d0a8aa 1751 case $cpu in
bb270c08 1752 601|ppc601|PowerPC601)
0f010b2f 1753 add_cflags -mcpu=601
bc8ec47b 1754 warn_altivec enabled PPC601
bb270c08
DB
1755 ;;
1756 603*|ppc603*|PowerPC603*)
0f010b2f 1757 add_cflags -mcpu=603
bc8ec47b 1758 warn_altivec enabled PPC603
bb270c08
DB
1759 ;;
1760 604*|ppc604*|PowerPC604*)
0f010b2f 1761 add_cflags -mcpu=604
bc8ec47b 1762 warn_altivec enabled PPC604
bb270c08
DB
1763 ;;
1764 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1765 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1766 warn_altivec enabled PPC75x
bb270c08
DB
1767 ;;
1768 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1769 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1770 warn_altivec disabled PPC745x
bb270c08
DB
1771 ;;
1772 74*|ppc74*|PowerPC74*)
0f010b2f 1773 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1774 warn_altivec disabled PPC74xx
bb270c08
DB
1775 ;;
1776 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1777 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1778 warn_altivec disabled PPC970
9cafbd6c 1779 enable ppc64
bb270c08 1780 ;;
e07e357d 1781 Cell|CELL|cell)
0f010b2f 1782 add_cflags -mcpu=cell
e07e357d 1783 warn_altivec disabled Cell
9cafbd6c 1784 enable ppc64
e07e357d 1785 ;;
e7768fc5
GP
1786 # targets that do NOT support conditional mov (cmov)
1787 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1788 add_cflags -march=$cpu
497237c7 1789 disable cmov
e7768fc5
GP
1790 ;;
1791 # targets that do support conditional mov (cmov)
416519dd 1792 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1793 add_cflags -march=$cpu
497237c7
RP
1794 enable cmov
1795 enable fast_cmov
94e4c3a3
GP
1796 ;;
1797 # targets that do support conditional mov but on which it's slow
800a5a19 1798 pentium4|pentium4m|prescott|nocona)
0f010b2f 1799 add_cflags -march=$cpu
497237c7
RP
1800 enable cmov
1801 disable fast_cmov
bb270c08 1802 ;;
d7b34d08 1803 sparc64)
0f010b2f 1804 add_cflags -mcpu=v9
d7b34d08 1805 ;;
f2e49553 1806 arm11*|cortex*)
0f010b2f 1807 add_cflags -mcpu=$cpu
f2e49553
MR
1808 enable fast_unaligned
1809 ;;
0223bd6f 1810 armv*)
0f010b2f 1811 add_cflags -march=$cpu
0223bd6f 1812 ;;
f2e49553 1813 arm*)
0f010b2f 1814 add_cflags -mcpu=$cpu
6b19786b 1815 ;;
1cd11856 1816 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
df442a8d 1817 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1cd11856 1818 ;;
bb270c08 1819 *)
7483e694 1820 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1821 ;;
a4adb608
MN
1822 esac
1823fi
1824
b4d96ba2
MR
1825check_cc <<EOF || die "Symbol mangling check failed."
1826int ff_extern;
1827EOF
2f05d9c1 1828sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1829extern_prefix=${sym%%ff_extern*}
1830
f65883c8
MR
1831check_cc <<EOF && enable inline_asm
1832void foo(void) { __asm__ volatile ("" ::); }
1833EOF
61d251db 1834
9eeed841 1835if enabled x86; then
44965991
PI
1836 # check whether EBP is available on x86
1837 # As 'i' is stored on the stack, this program will crash
1838 # if the base pointer is used to access it because the
1839 # base pointer is cleared in the inline assembly code.
7dfef245 1840 check_exec_crash <<EOF && enable ebp_available
44965991 1841 volatile int i=0;
be449fca 1842 __asm__ volatile (
44965991
PI
1843 "xorl %%ebp, %%ebp"
1844 ::: "%ebp");
1845 return i;
44965991
PI
1846EOF
1847
1848 # check wether EBX is available on x86
940f335a 1849 check_asm ebx_available '"":::"%ebx"'
8e380710 1850
d3a4b4e0
DB
1851 # check whether more than 10 operands are supported
1852 check_cc <<EOF && enable ten_operands
1853int main(void) {
1854 int x=0;
1855 __asm__ volatile(
1856 ""
1857 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1858 );
1859 return 0;
1860}
1861EOF
1862
d7f0920b 1863 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1864 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 1865 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
1866
1867 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1868
d52481b9 1869 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1870 enabled x86_64 && append YASMFLAGS "-m amd64"
1871 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1872 case "$objformat" in
1873 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1874 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1875 *) append YASMFLAGS "-DPREFIX" ;;
1876 esac
7595a5e4 1877 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1878fi
1879
87ea51e0
LB
1880# check for assembler specific support
1881
5b6c2cbd 1882enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1883enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1884
57bd82d4
MR
1885# check for SIMD availability
1886
115329f1 1887# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1888if enabled altivec; then
3ed1a2ee
DB
1889 check_cflags -maltivec -mabi=altivec &&
1890 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1891 check_cflags -faltivec
b6e52719 1892
0182fee8 1893 # check if our compiler supports Motorola AltiVec C API
497237c7 1894 check_cc <<EOF || disable altivec
dcd479c0 1895$inc_altivec_h
a9a07762
MN
1896int main(void) {
1897 vector signed int v1, v2, v3;
1898 v1 = vec_add(v2,v3);
1899 return 0;
1900}
1901EOF
b006b26c
DB
1902
1903 # check if our compiler supports braces for vector declarations
80a61f08 1904 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1905$inc_altivec_h
80a61f08 1906int main (void) { (vector int) {1}; return 0; }
b006b26c 1907EOF
a9a07762 1908fi
ab6c65f6 1909
b4e806b2 1910# We have to check if pld is a nop and disable it.
a2fc0f6a 1911enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1912enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1913enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1914enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1915enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1916enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1917enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1918enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1919enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1920
0f010b2f 1921enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1922
57bd82d4
MR
1923# ---
1924# big/little-endian test
9eebe687
MR
1925check_cc <<EOF || die "endian test failed"
1926unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1927EOF
d04d9e16 1928od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1929
a3999908 1930# ---
3d204385
NK
1931# check availability of some header files
1932
a98bb16d
RP
1933if check_func dlopen; then
1934 ldl=
1935elif check_func dlopen -ldl; then
1936 ldl=-ldl
8bf5d58f
MN
1937fi
1938
75ecf149
DB
1939# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1940check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1941
7483e694
DB
1942check_func fork
1943check_func gethrtime
1944check_func getrusage
094c09bb 1945check_func inet_aton $network_extralibs
7483e694
DB
1946check_func memalign
1947check_func mkstemp
1f91cdce 1948check_func posix_memalign
b507ebd1 1949check_func_headers io.h setmode
2446d3d6 1950check_func_headers windows.h GetProcessTimes
7c5bfe7a 1951check_func_headers windows.h VirtualAlloc
6ffa87d3 1952
e16e49ac 1953check_header conio.h
a98bb16d
RP
1954check_header dlfcn.h
1955check_header malloc.h
bf6ce82d 1956check_header poll.h
b58412f1 1957check_header sys/mman.h
b091aa44 1958check_header sys/resource.h
bf6ce82d 1959check_header sys/select.h
a98bb16d 1960check_header termios.h
272081b0
CEH
1961check_header vdpau/vdpau.h
1962check_header vdpau/vdpau_x11.h
68178ca9 1963check_header X11/extensions/XvMClib.h
a98bb16d 1964
1f91cdce
RP
1965if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1966 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1967fi
e16e49ac 1968
a4fa192c 1969disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1970disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1971
1972# check for some common methods of building with pthread support
1973# do this before the optional library checks as some of them require pthreads
1974if enabled pthreads; then
9e7fd101
MR
1975 if check_func pthread_create; then
1976 :
1977 elif check_func pthread_create -pthread; then
1978 add_cflags -pthread
afc9aee2 1979 add_extralibs -pthread
9e7fd101
MR
1980 elif check_func pthread_create -pthreads; then
1981 add_cflags -pthreads
afc9aee2 1982 add_extralibs -pthreads
8d94f606
GT
1983 elif check_func pthread_create -lpthreadGC2; then
1984 add_extralibs -lpthreadGC2
9e7fd101
MR
1985 elif ! check_lib pthread.h pthread_create -lpthread; then
1986 die "ERROR: can't find pthreads library"
1987 fi
57bd82d4
MR
1988fi
1989
8eee7025 1990for thread in $THREADS_LIST; do
e5f94c2b 1991 if enabled $thread; then
3ae3b721
RP
1992 test -n "$thread_type" &&
1993 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1994 thread_type="$thread"
e5f94c2b
RP
1995 fi
1996done
1997
fdf88598
MR
1998check_lib math.h sin -lm
1999
a33cab3a 2000# test for C99 functions in math.h
7b04b8a0 2001for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 2002 check_exec <<EOF && enable $func || disable $func
f32adb22 2003#include <math.h>
a33cab3a 2004int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 2005EOF
a33cab3a 2006done
f32adb22 2007
57bd82d4 2008# these are off by default, so fail if requested and not available
79fda097 2009enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
2010enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2011enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 2012enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
2013 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2014 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
2015enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2016enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2017enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2018enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2019enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
3d6fac8c 2020enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2021enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2022 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2023enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
2024enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2025enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 2026enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
2027 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2028 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 2029enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2030enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2031
0b4a1821
AS
2032# libdc1394 check
2033if enabled libdc1394; then
2034 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2035 enable libdc1394_2; } ||
2036 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2037 enable libdc1394_1; } ||
2038 die "ERROR: No version of libdc1394 found "
2039fi
2040
2041
c13e1abd
FH
2042_restrict=
2043for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 2044 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
2045void foo(char * $restrict_keyword p);
2046EOF
c13e1abd
FH
2047done
2048
a86b921c 2049##########################################
29799f8b 2050# SDL check
a86b921c 2051
497237c7
RP
2052disable sdl_too_old
2053disable sdl
6a1a892f 2054SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2055if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2056 sdl_cflags=$("${SDL_CONFIG}" --cflags)
225e21ef 2057 temp_cflags $sdl_cflags
5e622c40 2058 temp_extralibs $("${SDL_CONFIG}" --libs)
1ca5d97f 2059 if check_lib2 SDL.h SDL_Init; then
5e622c40 2060 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
29f3b38a 2061 if test "$_sdlversion" -lt 121 ; then
497237c7 2062 enable sdl_too_old
dcd479c0 2063 else
497237c7 2064 enable sdl
225e21ef 2065 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2066#include <SDL.h>
d6773f56 2067int main(int argc, char **argv){
29f3b38a
MR
2068 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2069 int w = vi->current_w;
2070 return 0;
2071}
2072EOF
dcd479c0
MR
2073 fi
2074 fi
29f3b38a 2075 restore_flags
c3f6b472 2076fi
57bd82d4 2077
2270b4b2 2078texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2079
7a91333f 2080##########################################
73b46a95
RP
2081# Network check
2082
2083if enabled network; then
96000432 2084 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2085 # Prefer arpa/inet.h over winsock2
2086 if check_header arpa/inet.h ; then
2087 check_func closesocket
2088 elif check_header winsock2.h ; then
ea10ddde 2089 network_extralibs="-lws2_32"
72be9e73 2090 check_type ws2tcpip.h socklen_t
2446d3d6 2091 check_func_headers winsock2.h closesocket
73b46a95
RP
2092 fi
2093fi
2094
2095##########################################
29799f8b 2096# IPv6 check
7a91333f 2097
497237c7 2098enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2099#include <sys/types.h>
2100#include <sys/socket.h>
2101#include <netinet/in.h>
2102#include <netdb.h>
db817cf3 2103int main(void) {
7483e694
DB
2104 struct sockaddr_storage saddr;
2105 struct ipv6_mreq mreq6;
2106 getaddrinfo(0,0,0,0);
2107 getnameinfo(0,0,0,0,0,0,0);
2108 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2109}
2110EOF
2111
06e31011
RP
2112check_header linux/videodev.h
2113check_header linux/videodev2.h
1b6e8b73 2114check_header sys/videoio.h
47f38850 2115
2446d3d6 2116check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2117
f8aa696f 2118# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2119{ check_header dev/bktr/ioctl_meteor.h &&
2120 check_header dev/bktr/ioctl_bt848.h; } ||
2121{ check_header machine/ioctl_meteor.h &&
2122 check_header machine/ioctl_bt848.h; } ||
2123{ check_header dev/video/meteor/ioctl_meteor.h &&
2124 check_header dev/video/bktr/ioctl_bt848.h; } ||
2125check_header dev/ic/bt8xx.h
f8aa696f 2126
c7682de0
RP
2127check_header sys/soundcard.h
2128check_header soundcard.h
deb29777 2129
35fd8122
NG
2130check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2131
7483e694 2132# deal with the X11 frame grabber
56a059ac 2133enabled x11grab &&
f58f4ce1
GP
2134check_header X11/Xlib.h &&
2135check_header X11/extensions/XShm.h &&
2136check_func XOpenDisplay -lX11 &&
06eab4ba 2137check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2138
40bcf4c7 2139enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2140
2141# add some useful compiler flags if supported
2142check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2143check_cflags -Wall
2144check_cflags -Wno-switch
c07bd6a9
MN
2145check_cflags -Wdisabled-optimization
2146check_cflags -Wpointer-arith
2147check_cflags -Wredundant-decls
cc1fb623 2148check_cflags -Wno-pointer-sign
f4929996 2149check_cflags -Wcast-qual
9aceb3cf 2150check_cflags -Wwrite-strings
652a5bf6 2151check_cflags -Wtype-limits
764551c6 2152check_cflags -Wundef
5af4e0cc 2153enabled extra_warnings && check_cflags -Winline
cf9d24ad 2154
57bd82d4 2155# add some linker flags
5c0e9479 2156check_ldflags -Wl,--warn-common
8351d2ba
DB
2157check_ldflags -Wl,--as-needed
2158check_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 2159check_ldflags -Wl,-Bsymbolic
94a3401e 2160
bd2216e4
MR
2161if enabled small; then
2162 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2163 optimizations="small"
2164elif enabled optimizations; then
629687f6 2165 if enabled xlc; then
0f010b2f
DB
2166 add_cflags -O5
2167 add_ldflags -O5
df442a8d
MR
2168 elif enabled ccc; then
2169 add_cflags -fast
cf9d24ad 2170 else
0f010b2f 2171 add_cflags -O3
cf9d24ad 2172 fi
cddf3f45 2173fi
11fdbc44 2174check_cflags -fno-math-errno
b2eb2ff0 2175check_cflags -fno-signed-zeros
cddf3f45 2176
504a64b9 2177# add some flags for Intel C Compiler
629687f6 2178if enabled icc; then
b1598b58
MR
2179 # Just warnings, no remarks
2180 check_cflags -w1
2181 # -wd: Disable following warnings
2182 # 144, 167, 556: -Wno-pointer-sign
2183 # 10006: ignoring unknown option -fno-signed-zeros
2184 # 10156: ignoring option '-W'; no argument required
2185 check_cflags -wd144,167,556,10006,10156
2186 # 11030: Warning unknown option --as-needed
2187 # 10156: ignoring option '-export'; no argument required
2188 check_ldflags -wd10156,11030
2189 # Allow to compile with optimizations
2190 check_ldflags -march=$cpu
be2cf98a
CEH
2191 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2192 enable ebp_available
df442a8d
MR
2193elif enabled ccc; then
2194 # disable some annoying warnings
2195 add_cflags -msg_disable cvtu32to64
2196 add_cflags -msg_disable embedcomment
2197 add_cflags -msg_disable needconstext
2198 add_cflags -msg_disable nomainieee
2199 add_cflags -msg_disable ptrmismatch1
2200 add_cflags -msg_disable unreachcode
504a64b9
CEH
2201fi
2202
80581e98 2203# PIC flags for shared library objects where they are needed
5af4e0cc 2204if enabled shared; then
569cb218
MR
2205 # LIBOBJFLAGS may have already been set in the OS configuration
2206 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2207 case "${subarch-$arch}" in
b6bd7268 2208 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2209 esac
2210 fi
80581e98
MN
2211fi
2212
90be59ef 2213if enabled gprof; then
0f010b2f
DB
2214 add_cflags -p
2215 add_ldflags -p
1db54e20
DB
2216fi
2217
7f3c02fc 2218# Find out if the .align argument is a power of two or not.
9377b6ce 2219check_asm asmalign_pot '".align 3"'
4454dc1b 2220
7483e694
DB
2221enabled_any $DECODER_LIST && enable decoders
2222enabled_any $ENCODER_LIST && enable encoders
2223enabled_any $BSF_LIST && enable bsfs
2224enabled_any $DEMUXER_LIST && enable demuxers
2225enabled_any $MUXER_LIST && enable muxers
f7679c54 2226enabled_any $FILTER_LIST && enable filters
7483e694
DB
2227enabled_any $INDEV_LIST && enable demuxers
2228enabled_any $OUTDEV_LIST && enable muxers
2229enabled_any $PROTOCOL_LIST && enable protocols
2230
2231enabled_any $THREADS_LIST && enable threads
2232
2233check_deps $CONFIG_LIST \
b6bb00b0 2234 $CONFIG_EXTRA \
7483e694
DB
2235 $HAVE_LIST \
2236 $DECODER_LIST \
2237 $ENCODER_LIST \
2238 $PARSER_LIST \
2239 $BSF_LIST \
2240 $DEMUXER_LIST \
2241 $MUXER_LIST \
f7679c54 2242 $FILTER_LIST \
7483e694
DB
2243 $INDEV_LIST \
2244 $OUTDEV_LIST \
2245 $PROTOCOL_LIST \
f70f03f6 2246
3e89171a 2247echo "install prefix $prefix"
f36958f8
DB
2248echo "source path $source_path"
2249echo "C compiler $cc"
bfd5afd8 2250echo ".align is power-of-two $asmalign_pot"
f36958f8 2251echo "ARCH $arch ($cpu)"
ce8871c2
MR
2252if test "$build_suffix" != ""; then
2253 echo "build suffix $build_suffix"
eb94aca9 2254fi
ac63af34
DB
2255if test "$extra_version" != ""; then
2256 echo "version string suffix $extra_version"
2257fi
0db2ce77 2258echo "big-endian ${bigendian-no}"
5b6c2cbd 2259if enabled x86; then
af44e8e4 2260 echo "yasm ${yasm-no}"
0db2ce77 2261 echo "MMX enabled ${mmx-no}"
30e98e62 2262 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2263 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2264 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2265 echo "SSE enabled ${sse-no}"
30e98e62 2266 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2267 echo "CMOV enabled ${cmov-no}"
2268 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2269 echo "EBX available ${ebx_available-no}"
2270 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2271 echo "10 operands supported ${ten_operands-no}"
e41e8342 2272fi
5b6c2cbd 2273if enabled arm; then
0db2ce77
MR
2274 echo "ARMv5TE enabled ${armv5te-no}"
2275 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2276 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2277 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2278 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2279 echo "NEON enabled ${neon-no}"
eba9ae3c 2280fi
5b6c2cbd 2281if enabled mips; then
0db2ce77 2282 echo "MMI enabled ${mmi-no}"
e41e8342 2283fi
5b6c2cbd 2284if enabled ppc; then
0db2ce77 2285 echo "AltiVec enabled ${altivec-no}"
30e98e62 2286 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2287 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2288 echo "performance report ${powerpc_perf-no}"
2289fi
2290if enabled sparc; then
2291 echo "VIS enabled ${vis-no}"
e41e8342 2292fi
0db2ce77
MR
2293echo "gprof enabled ${gprof-no}"
2294echo "debug symbols ${debug-no}"
87a0fb62 2295echo "strip symbols ${stripping-no}"
8400d6b8 2296echo "optimizations ${optimizations-no}"
0db2ce77
MR
2297echo "static ${static-no}"
2298echo "shared ${shared-no}"
4a24ab64 2299echo "postprocessing support ${postproc-no}"
f7679c54 2300echo "new filter support ${avfilter-no}"
81124ba0 2301echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2302echo "network support ${network-no}"
90be59ef 2303if enabled network; then
0db2ce77 2304 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2305fi
0db2ce77
MR
2306echo "threading support ${thread_type-no}"
2307echo "SDL support ${sdl-no}"
90be59ef 2308if enabled sdl_too_old; then
bfd5afd8
DB
2309 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2310fi
0db2ce77
MR
2311echo "Sun medialib support ${mlib-no}"
2312echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2313echo "libamr-nb support ${libamr_nb-no}"
2314echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2315echo "libdc1394 support ${libdc1394-no}"
690bfceb 2316echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2317echo "libfaac enabled ${libfaac-no}"
2318echo "libfaad enabled ${libfaad-no}"
7e0871a7 2319echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2320echo "libgsm enabled ${libgsm-no}"
2321echo "libmp3lame enabled ${libmp3lame-no}"
2322echo "libnut enabled ${libnut-no}"
9a77d59a 2323echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2324echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2325echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2326echo "libtheora enabled ${libtheora-no}"
2327echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2328echo "libx264 enabled ${libx264-no}"
2329echo "libxvid enabled ${libxvid-no}"
0db2ce77 2330echo "zlib enabled ${zlib-no}"
f402916e 2331echo "bzlib enabled ${bzlib-no}"
2c62e737 2332echo
de6d9b64 2333
f7679c54 2334for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2335 echo "Enabled ${type}s:"
f65c9da1 2336 eval list=\$$(toupper $type)_LIST
8138b9db 2337 for part in $list; do
f65c9da1
MR
2338 enabled $part && echo ${part%_*}
2339 done | sort | pr -3 -t
2340 echo
8138b9db
RP
2341done
2342
ba321adb
JK
2343license="LGPL"
2344if enabled nonfree; then
2345 license="unredistributable"
2346elif enabled gpl; then
2347 license="GPL"
2348fi
2349
2350echo "License: $license"
ca5323af 2351
cf1392e9
DB
2352echo "Creating config.mak and config.h..."
2353
29799f8b
DB
2354echo "# Automatically generated by configure - do not modify!" > config.mak
2355echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2356echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2357echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2358echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2359echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2360
d921f03f 2361echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2362echo "prefix=$prefix" >> config.mak
22a324da
DB
2363echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2364echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2365echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2366echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2367echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2368echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2369echo "CC=$cc" >> config.mak
313c46a6 2370echo "AS=$as" >> config.mak
304d586d 2371echo "YASM=$yasmexe" >> config.mak
980fc7b8 2372echo "AR=$ar" >> config.mak
be7109c1 2373echo "RANLIB=$ranlib" >> config.mak
20369773 2374echo "LN_S=$ln_s" >> config.mak
87a0fb62 2375enabled stripping &&
3ae3b721 2376 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2377 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2378
a9b3f630 2379echo "OPTFLAGS=$CFLAGS" >> config.mak
0f3cb305 2380echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2381echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2382echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2383echo "YASMFLAGS=$YASMFLAGS" >> config.mak
80581e98 2384echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2385echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2386echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2387echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2388echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2389echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2390echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2391echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2392echo "SLIBSUF=$SLIBSUF" >> config.mak
2393echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2394echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2395echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2396echo "HOSTCC=$host_cc" >> config.mak
2397echo "HOSTCFLAGS=$host_cflags" >> config.mak
82bb3329 2398echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
9da6609f
MR
2399echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2400echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2401echo "TARGET_EXEC=$target_exec" >> config.mak
2402echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2403
90be59ef 2404if enabled bigendian; then
7483e694
DB
2405 echo "WORDS_BIGENDIAN=yes" >> config.mak
2406 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2407fi
44161118 2408
90be59ef 2409if enabled sdl; then
5e622c40
DB
2410 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2411 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
a86b921c 2412fi
90be59ef 2413if enabled texi2html; then
7483e694 2414 echo "BUILD_DOC=yes" >> config.mak
146ea952 2415fi
5a872801 2416
719c8e00
MR
2417get_version(){
2418 name=$1
2419 file=$source_path/$2
147e7692
MR
2420 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2421 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2422 lcname=$(tolower $name)
2423 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2424 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2425}
2426
147e7692
MR
2427get_version LIBSWSCALE libswscale/swscale.h
2428get_version LIBPOSTPROC libpostproc/postprocess.h
2429get_version LIBAVCODEC libavcodec/avcodec.h
2430get_version LIBAVDEVICE libavdevice/avdevice.h
2431get_version LIBAVFORMAT libavformat/avformat.h
2432get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2433get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2434
5af4e0cc 2435if enabled shared; then
7483e694
DB
2436 echo "BUILD_SHARED=yes" >> config.mak
2437 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2438 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2439 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2440 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2441 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2442 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2443 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2444 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2445 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2446fi
d7e27559 2447echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2448echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2449
7b5e8a27
DB
2450echo "ARCH=$arch" >> config.mak
2451
3d907e22
MR
2452print_config ARCH_ $TMPH config.mak $ARCH_LIST
2453print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2454print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2455 $CONFIG_EXTRA \
7483e694
DB
2456 $DECODER_LIST \
2457 $ENCODER_LIST \
2458 $PARSER_LIST \
2459 $BSF_LIST \
2460 $DEMUXER_LIST \
2461 $MUXER_LIST \
f7679c54 2462 $FILTER_LIST \
7483e694
DB
2463 $PROTOCOL_LIST \
2464 $INDEV_LIST \
2465 $OUTDEV_LIST \
8ac17293 2466
c13e1abd
FH
2467echo "#define restrict $_restrict" >> $TMPH
2468
bd2216e4 2469if enabled small; then
7483e694 2470 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2471fi
2472
997baf01
MR
2473echo "SRC_PATH=\"$source_path\"" >> config.mak
2474echo "SRC_PATH_BARE=$source_path" >> config.mak
2475echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2476
8156056e 2477# Apparently it's not possible to portably echo a backslash.
3ae3b721 2478enabled asmalign_pot &&
7483e694 2479 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2480 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2481
b4d96ba2 2482echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2483
9c05103f
DB
2484echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2485
b7860763 2486# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2487cmp -s $TMPH config.h &&
2488 echo "config.h is unchanged" ||
2489 mv -f $TMPH config.h
3d204385 2490
165af439 2491# build tree in object directory if source path is different from current one
90be59ef 2492if enabled source_path_used; then
165af439 2493 DIRS="\
7483e694
DB
2494 doc \
2495 libavcodec \
2496 libavcodec/alpha \
a2fc0f6a 2497 libavcodec/arm \
7483e694 2498 libavcodec/bfin \
7483e694
DB
2499 libavcodec/mlib \
2500 libavcodec/ppc \
2501 libavcodec/sh4 \
2502 libavcodec/sparc \
a6493a8f 2503 libavcodec/x86 \
52a9cf34 2504 libavdevice \
f7679c54 2505 libavfilter \
7483e694
DB
2506 libavformat \
2507 libavutil \
2508 libpostproc \
2509 libswscale \
2510 tests \
2511 tools \
7483e694 2512 "
165af439 2513 FILES="\
7483e694
DB
2514 Makefile \
2515 common.mak \
71c61f62 2516 subdir.mak \
7483e694
DB
2517 doc/texi2pod.pl \
2518 libavcodec/Makefile \
52a9cf34 2519 libavdevice/Makefile \
f7679c54 2520 libavfilter/Makefile \
7483e694
DB
2521 libavformat/Makefile \
2522 libavutil/Makefile \
2523 libpostproc/Makefile \
2524 libswscale/Makefile \
2525 "
165af439 2526 for dir in $DIRS ; do
7483e694 2527 mkdir -p $dir
165af439
MR
2528 done
2529 for f in $FILES ; do
20369773 2530 $ln_s "$source_path/$f" $f
165af439
MR
2531 done
2532fi
def4272a 2533
def4272a 2534
d0674868 2535# build pkg-config files
def4272a 2536
d0674868
DB
2537pkgconfig_generate(){
2538name=$1
b0dfd108 2539shortname=${name#lib}${build_suffix}
d0674868
DB
2540comment=$2
2541version=$3
2542libs=$4
2543requires=$5
25cd5cb3 2544cat <<EOF > $name/$name.pc
3e89171a 2545prefix=$prefix
a94e666c 2546exec_prefix=\${prefix}
f2b7382c 2547libdir=$libdir
7622778e 2548includedir=$incdir
def4272a 2549
d0674868
DB
2550Name: $name
2551Description: $comment
2552Version: $version
5dcfe9f8
AH
2553Requires: $(disabled shared && echo $requires)
2554Requires.private: $(enabled shared && echo $requires)
def4272a 2555Conflicts:
12701f6e
AH
2556Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2557Libs.private: $(enabled shared && echo $libs)
76a448ed 2558Cflags: -I\${includedir}
def4272a 2559EOF
25cd5cb3 2560cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2561prefix=
2562exec_prefix=
46d1ff83 2563libdir=\${pcfiledir}
1d44d365 2564includedir=${source_path}
def4272a 2565
d0674868
DB
2566Name: $name
2567Description: $comment
2568Version: $version
2569Requires: $requires
def4272a 2570Conflicts:
12701f6e 2571Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2572Cflags: -I\${includedir}
2573EOF
d0674868 2574}
def4272a 2575
e426941d 2576pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2577pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2578pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2579pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2580enabled avfilter &&
46983309 2581 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2582enabled postproc &&
e426941d 2583 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2584pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"