Fix MMX2 check, 'movss' is not an MMX2 instruction, use 'pmaxub' instead.
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
505dfb09
DB
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
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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
cde2d79a
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54 exit 1
55fi
56
74c53c2d
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57show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
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DB
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
3e89171a 65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
14a8acf1 67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
74c53c2d 68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
62560865
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72 echo
73 echo "Configuration options:"
e6b9d588
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74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
0a23c0bb
DB
76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
79 echo " and binaries will be unredistributable [no]"
62560865
DB
80 echo " --disable-ffmpeg disable ffmpeg build"
81 echo " --disable-ffplay disable ffplay build"
82 echo " --disable-ffserver disable ffserver build"
e6b9d588 83 echo " --enable-postproc enable GPLed postprocessing support [no]"
fdf11906 84 echo " --enable-avfilter video filter support [no]"
0a23c0bb 85 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
e6b9d588
DB
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]"
62560865
DB
91 echo " --disable-network disable network support [no]"
92 echo " --disable-ipv6 disable IPv6 support [no]"
93 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
94 echo " --enable-gray enable full grayscale support (slower color)"
aa033b1e 95 echo " --disable-fastdiv disable table-based division"
62560865
DB
96 echo " --enable-small optimize for size instead of speed"
97 echo " --disable-aandct disable AAN DCT code"
98 echo " --disable-fft disable FFT code"
99 echo " --disable-golomb disable Golomb code"
100 echo " --disable-mdct disable MDCT code"
68602540 101 echo " --disable-rdft disable RDFT code"
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102 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
103 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
104 echo " --enable-beos-netserver enable BeOS netserver"
105 echo " --disable-encoder=NAME disable encoder NAME"
106 echo " --enable-encoder=NAME enable encoder NAME"
107 echo " --disable-encoders disable all encoders"
108 echo " --disable-decoder=NAME disable decoder NAME"
109 echo " --enable-decoder=NAME enable decoder NAME"
110 echo " --disable-decoders disable all decoders"
111 echo " --disable-muxer=NAME disable muxer NAME"
112 echo " --enable-muxer=NAME enable muxer NAME"
113 echo " --disable-muxers disable all muxers"
114 echo " --disable-demuxer=NAME disable demuxer NAME"
115 echo " --enable-demuxer=NAME enable demuxer NAME"
116 echo " --disable-demuxers disable all demuxers"
117 echo " --enable-parser=NAME enable parser NAME"
118 echo " --disable-parser=NAME disable parser NAME"
119 echo " --disable-parsers disable all parsers"
120 echo " --enable-bsf=NAME enable bitstream filter NAME"
121 echo " --disable-bsf=NAME disable bitstream filter NAME"
122 echo " --disable-bsfs disable all bitstream filters"
123 echo " --enable-protocol=NAME enable protocol NAME"
124 echo " --disable-protocol=NAME disable protocol NAME"
125 echo " --disable-protocols disable all protocols"
126 echo " --disable-indevs disable input devices"
127 echo " --disable-outdevs disable output devices"
128 echo " --disable-devices disable all devices"
129 echo " --enable-filter=NAME enable filter NAME"
130 echo " --disable-filter=NAME disable filter NAME"
131 echo " --disable-filters disable all filters"
132 echo " --list-decoders show all available decoders"
133 echo " --list-encoders show all available encoders"
134 echo " --list-muxers show all available muxers"
135 echo " --list-demuxers show all available demuxers"
136 echo " --list-parsers show all available parsers"
137 echo " --list-protocols show all available protocols"
138 echo " --list-bsfs show all available bitstream filters"
139 echo " --list-indevs show all available input devices"
140 echo " --list-outdevs show all available output devices"
141 echo " --list-filters show all available filters"
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142 echo
143 echo "External library support:"
0a23c0bb 144 echo " --enable-avisynth enable reading of AVISynth script files [no]"
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145 echo " --enable-bzlib enable bzlib [autodetect]"
146 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
147 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
f7b8bffe 148 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
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149 echo " and libraw1394 [no]"
150 echo " --enable-libdirac enable Dirac support via libdirac [no]"
151 echo " --enable-libfaac enable FAAC support via libfaac [no]"
152 echo " --enable-libfaad enable FAAD support via libfaad [no]"
153 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
154 echo " --enable-libgsm enable GSM support via libgsm [no]"
155 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 156 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 157 echo " native (de)muxer exists [no]"
9a77d59a 158 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
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159 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
160 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
161 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 162 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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163 echo " native implementation exists [no]"
164 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 165 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 166 echo " native MPEG-4/Xvid encoder exists [no]"
732c9a34 167 echo " --enable-mlib enable Sun medialib [no]"
27cb5cbc 168 echo " --enable-zlib enable zlib [autodetect]"
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169 echo ""
170 echo "Advanced options (experts only):"
171 echo " --source-path=PATH path to source code [$source_path]"
172 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 173 echo " --enable-cross-compile assume a cross-compiler is used"
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174 echo " --sysroot=PATH root of cross-build tree"
175 echo " --sysinclude=PATH location of cross-build system headers"
4f854758 176 echo " --target-os=OS compiler targets OS [$target_os]"
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177 echo " --target-exec=CMD command to run executables on target"
178 echo " --target-path=DIR path to view of build directory on target"
89641463 179 echo " --nm=NM use nm tool"
313c46a6 180 echo " --as=AS use assembler AS [$as_default]"
15396d5c 181 echo " --cc=CC use C compiler CC [$cc_default]"
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182 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
183 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
184 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
185 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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186 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
187 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
188 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 189 echo " --extra-version=STRING version string suffix []"
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DB
190 echo " --build-suffix=SUFFIX library name suffix []"
191 echo " --arch=ARCH select architecture [$arch]"
192 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 193 echo " instruction selection, may crash on older CPUs)"
2b4c3615 194 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 195 echo " (requires enabling PMC)"
4f50c3d5 196 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 197 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 198 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
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DB
199 echo " --disable-mmx disable MMX optimizations"
200 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 201 echo " --disable-sse disable SSE optimizations"
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DB
202 echo " --disable-ssse3 disable SSSE3 optimizations"
203 echo " --disable-armv5te disable armv5te optimizations"
204 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 205 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 206 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 207 echo " --disable-iwmmxt disable iwmmxt optimizations"
49276307
DB
208 echo " --disable-mmi disable MMI optimizations"
209 echo " --disable-neon disable neon optimizations"
210 echo " --disable-vis disable VIS optimizations"
7595a5e4 211 echo " --disable-yasm disable use of yasm assembler"
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212 echo
213 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 214 echo " --disable-debug disable debugging symbols"
b7d49373 215 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 216 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 217 echo " --disable-optimizations disable compiler optimizations"
0a622b98 218 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 219 echo " --disable-stripping disable stripping of executables and shared libraries"
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220 echo ""
221 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 222 exit 0
74c53c2d 223}
cf9d24ad 224
57bd82d4 225log(){
2270b4b2 226 echo "$@" >> $logfile
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227}
228
720c69da 229log_file(){
c8e9f801 230 log BEGIN $1
2270b4b2 231 pr -n -t $1 >> $logfile
c8e9f801
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232 log END $1
233}
234
2ba042a7 235echolog(){
c8e9f801 236 log "$@"
57bd82d4 237 echo "$@"
2ba042a7
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238}
239
240die(){
241 echolog "$@"
242 cat <<EOF
243If you think configure made a mistake, make sure you are using the latest
244version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 245ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 246EOF
e155a21a 247 if disabled logging; then
2ba042a7 248 cat <<EOF
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249Rerun configure with logging enabled (do not use --disable-logging), and
250include the log this produces with your report.
2ba042a7
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251EOF
252 else
253cat <<EOF
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254Include the log file "$logfile" produced by configure as this will help
255solving the problem.
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256EOF
257 fi
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258 exit 1
259}
260
6c6007d6 261# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 262toupper(){
6c6007d6 263 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
264}
265
4a5444db 266tolower(){
6c6007d6 267 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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268}
269
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270c_escape(){
271 echo "$*" | sed 's/["\\]/\\\0/g'
272}
273
a8d04fba
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274set_all(){
275 value=$1
276 shift
277 for var in $*; do
278 eval $var=$value
279 done
280}
281
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282set_weak(){
283 value=$1
284 shift
285 for var; do
286 eval : \${$var:=$value}
287 done
288}
289
799c9e9b
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290pushvar(){
291 for var in $*; do
292 eval level=\${${var}_level:=0}
293 eval ${var}_${level}="\$$var"
294 eval ${var}_level=$(($level+1))
295 done
296}
297
298popvar(){
299 for var in $*; do
300 eval level=\${${var}_level:-0}
301 test $level = 0 && continue
302 eval level=$(($level-1))
303 eval $var="\${${var}_${level}}"
304 eval ${var}_level=$level
305 eval unset ${var}_${level}
306 done
307}
308
a8d04fba
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309enable(){
310 set_all yes $*
311}
312
313disable(){
314 set_all no $*
315}
316
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317enable_weak(){
318 set_weak yes $*
319}
320
321disable_weak(){
322 set_weak no $*
323}
324
72702705
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325enable_safe(){
326 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
327}
328
329disable_safe(){
330 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
331}
332
f9d328da
MR
333do_enable_deep(){
334 for var; do
335 enabled $var && continue
336 eval sel="\$${var}_select"
c510c7b5
MR
337 eval sgs="\$${var}_suggest"
338 pushvar var sgs
f9d328da 339 enable_deep $sel
c510c7b5
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340 popvar sgs
341 enable_deep_weak $sgs
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342 popvar var
343 done
344}
345
346enable_deep(){
347 do_enable_deep $*
348 enable $*
349}
350
72a43668
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351enable_deep_weak(){
352 do_enable_deep $*
353 enable_weak $*
354}
355
57bd82d4 356enabled(){
3250003c
MR
357 test "${1#!}" = "$1" && op== || op=!=
358 eval test "x\$${1#!}" $op "xyes"
44161118
MR
359}
360
37970ebf 361disabled(){
3250003c
MR
362 test "${1#!}" = "$1" && op== || op=!=
363 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
364}
365
44161118
MR
366enabled_all(){
367 for opt; do
368 enabled $opt || return 1
369 done
370}
371
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DB
372disabled_all(){
373 for opt; do
374 disabled $opt || return 1
375 done
376}
377
44161118
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378enabled_any(){
379 for opt; do
380 enabled $opt && return 0
381 done
382}
383
85bca2c5
DB
384disabled_any(){
385 for opt; do
386 disabled $opt && return 0
387 done
f7b230a7 388 return 1
85bca2c5
DB
389}
390
c9d19248
MR
391set_default(){
392 for opt; do
88268e94 393 eval : \${$opt:=\$${opt}_default}
c9d19248
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394 done
395}
396
4a0d6686
AJ
397is_in(){
398 value=$1
399 shift
400 for var in $*; do
401 [ $var = $value ] && return 0
402 done
403 return 1
404}
405
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406check_deps(){
407 for cfg; do
3250003c 408 cfg="${cfg#!}"
799c9e9b
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409 enabled ${cfg}_checking && die "Circular dependency for $cfg."
410 disabled ${cfg}_checking && continue
411 enable ${cfg}_checking
412
30fd06be
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413 eval dep_all="\$${cfg}_deps"
414 eval dep_any="\$${cfg}_deps_any"
7ef3425f 415 eval dep_sel="\$${cfg}_select"
c510c7b5 416 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 417
c510c7b5
MR
418 pushvar cfg dep_all dep_any dep_sel dep_sgs
419 check_deps $dep_all $dep_any $dep_sel $dep_sgs
420 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 421
6a702d4c
MR
422 enabled_all $dep_all || disable $cfg
423 enabled_any $dep_any || disable $cfg
7ef3425f 424 disabled_any $dep_sel && disable $cfg
799c9e9b 425
4ec45764
RP
426 if enabled $cfg; then
427 eval dep_extralibs="\$${cfg}_extralibs"
428 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 429 enable_deep $dep_sel
c510c7b5 430 enable_deep_weak $dep_sgs
4ec45764
RP
431 fi
432
799c9e9b 433 disable ${cfg}_checking
30fd06be
MR
434 done
435}
436
44161118
MR
437print_config(){
438 pfx=$1
439 header=$2
440 makefile=$3
441 shift 3
442 for cfg; do
3d907e22 443 ucname="`toupper $cfg`"
44161118 444 if enabled $cfg; then
3d907e22 445 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
446 echo "${pfx}${ucname}=yes" >> $makefile
447 else
b250f9c6 448 echo "#define ${pfx}${ucname} 0" >> $header
44161118
MR
449 fi
450 done
57bd82d4
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451}
452
453flags_saved(){
2270b4b2 454 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
455}
456
dcd479c0 457save_flags(){
57bd82d4 458 flags_saved && return
dcd479c0
MR
459 SAVE_CFLAGS="$CFLAGS"
460 SAVE_LDFLAGS="$LDFLAGS"
461 SAVE_extralibs="$extralibs"
462}
463
464restore_flags(){
f5d28d10 465 flags_saved || return
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MR
466 CFLAGS="$SAVE_CFLAGS"
467 LDFLAGS="$SAVE_LDFLAGS"
468 extralibs="$SAVE_extralibs"
469 unset SAVE_CFLAGS
470 unset SAVE_LDFLAGS
471 unset SAVE_extralibs
472}
473
474temp_cflags(){
475 save_flags
476 CFLAGS="$CFLAGS $*"
477}
478
479temp_ldflags(){
480 save_flags
481 LDFLAGS="$LDFLAGS $*"
482}
483
484temp_extralibs(){
485 save_flags
486 extralibs="$extralibs $*"
487}
488
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489append(){
490 var=$1
491 shift
492 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
493 eval "$var=\"\$$var $*\""
494}
495
496add_cflags(){
497 append CFLAGS "$@"
498}
499
500add_ldflags(){
501 append LDFLAGS "$@"
502}
503
504add_extralibs(){
505 append extralibs "$@"
506}
507
b0cfb663 508check_cmd(){
b3cb5d51 509 log "$@"
2270b4b2 510 "$@" >> $logfile 2>&1
b0cfb663
MR
511}
512
dcd479c0 513check_cc(){
57bd82d4 514 log check_cc "$@"
2270b4b2 515 cat > $TMPC
720c69da 516 log_file $TMPC
b0cfb663 517 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
518}
519
520check_cpp(){
521 log check_cpp "$@"
2270b4b2 522 cat > $TMPC
720c69da 523 log_file $TMPC
b0cfb663 524 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
525}
526
f65883c8
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527check_as(){
528 log check_as "$@"
529 cat > $TMPC
530 log_file $TMPC
531 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
532}
533
940f335a
MR
534check_asm(){
535 log check_asm "$@"
536 name="$1"
537 asm="$2"
538 shift 2
f65883c8 539 check_as "$@" <<EOF && enable $name || disable $name
124c21d7 540void foo(void){ __asm__ volatile($asm); }
940f335a
MR
541EOF
542}
543
304d586d
LM
544check_yasm(){
545 log check_yasm "$@"
546 echo "$1" > $TMPS
547 log_file $TMPS
548 shift 1
549 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
550}
551
dcd479c0 552check_ld(){
57bd82d4 553 log check_ld "$@"
0607887f 554 check_cc || return
3155a644
MR
555 flags=''
556 libs=''
557 for f; do
558 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
559 done
560 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
561}
562
563check_cflags(){
57bd82d4
MR
564 log check_cflags "$@"
565 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
566int x;
567EOF
568}
569
570check_ldflags(){
57bd82d4
MR
571 log check_ldflags "$@"
572 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 573int main(void){ return 0; }
dcd479c0
MR
574EOF
575}
576
577check_header(){
57bd82d4 578 log check_header "$@"
dcd479c0
MR
579 header=$1
580 shift
b77df637
MR
581 disable_safe $header
582 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
583#include <$header>
584int x;
585EOF
586}
587
588check_func(){
57bd82d4 589 log check_func "$@"
dcd479c0
MR
590 func=$1
591 shift
d8bc5f06
MR
592 disable $func
593 check_ld "$@" <<EOF && enable $func
dcd479c0 594extern int $func();
c23a0ac8 595int main(void){ $func(); }
dcd479c0
MR
596EOF
597}
598
2446d3d6
DB
599check_func_headers(){
600 log check_func_headers "$@"
f8d7b072
MR
601 headers=$1
602 func=$2
603 shift 2
604 disable $func
605 incs=""
606 for hdr in $headers; do
607 incs="$incs
608#include <$hdr>"
609 done
cd0d9a9d 610 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 611$incs
d6773f56 612int main(int argc, char **argv){
f8d7b072
MR
613 (void) $func;
614 return 0;
615}
616EOF
617}
618
a5344cf7
SS
619check_cpp_condition(){
620 log check_cpp_condition "$@"
621 header=$1
622 condition=$2
623 check_cpp <<EOF
624#include <$header>
625#if !($condition)
626#error "unsatisfied condition: $condition"
627#endif
628EOF
629}
630
57bd82d4
MR
631check_lib(){
632 log check_lib "$@"
633 header="$1"
634 func="$2"
635 shift 2
fcfcde17
MR
636 temp_extralibs "$@"
637 check_header $header && check_func $func && add_extralibs "$@"
638 err=$?
639 restore_flags
640 return $err
57bd82d4
MR
641}
642
f8d7b072
MR
643check_lib2(){
644 log check_lib2 "$@"
645 headers="$1"
646 func="$2"
647 shift 2
648 temp_extralibs "$@"
2446d3d6 649 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
650 err=$?
651 restore_flags
652 return $err
653}
654
dcd479c0 655check_exec(){
2270b4b2 656 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
657}
658
7dfef245
MR
659check_exec_crash(){
660 code=`cat`
661
662 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
663 # are safe but may not be available everywhere. Thus we use
664 # raise(SIGTERM) instead. The check is run in a subshell so we
665 # can redirect the "Terminated" message from the shell. SIGBUS
666 # is not defined by standard C so it is used conditionally.
667
2270b4b2 668 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
669#include <signal.h>
670static void sighandler(int sig){
671 raise(SIGTERM);
672}
e5af4a11 673int main(void){
7dfef245
MR
674 signal(SIGILL, sighandler);
675 signal(SIGFPE, sighandler);
676 signal(SIGSEGV, sighandler);
677#ifdef SIGBUS
678 signal(SIGBUS, sighandler);
679#endif
680 { $code }
681}
682EOF
683}
684
72be9e73
DY
685check_type(){
686 log check_type "$@"
687 headers=$1
688 type=$2
689 shift 2
690 disable $type
691 incs=""
692 for hdr in $headers; do
693 incs="$incs
694#include <$hdr>"
695 done
696 check_cc "$@" <<EOF && enable $type
697$incs
698$type v;
699EOF
700}
701
57bd82d4
MR
702require(){
703 name="$1"
704 header="$2"
705 func="$3"
706 shift 3
707 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
708}
709
f8d7b072
MR
710require2(){
711 name="$1"
712 headers="$2"
713 func="$3"
714 shift 3
715 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
716}
717
eea50282
MR
718check_foo_config(){
719 cfg=$1
720 pkg=$2
721 header=$3
722 func=$4
723 shift 4
724 disable $cfg
725 check_cmd ${pkg}-config --version
726 err=$?
727 if test "$err" = 0; then
728 temp_cflags `${pkg}-config --cflags`
729 temp_extralibs `${pkg}-config --libs`
730 check_lib "$@" $header $func && enable $cfg
731 fi
732 return $err
733}
734
c505dd31
MR
735apply(){
736 file=$1
737 shift
738 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
739}
740
dcd61286
DB
741# CONFIG_LIST contains configurable options, while HAVE_LIST is for
742# system-dependent things.
743
4a0d6686
AJ
744COMPONENT_LIST="
745 bsfs
746 decoders
747 demuxers
748 encoders
3cde40aa 749 filters
c552605c 750 indevs
4a0d6686 751 muxers
c552605c 752 outdevs
4a0d6686
AJ
753 parsers
754 protocols
755"
756
757CONFIG_LIST="
758 $COMPONENT_LIST
e8ed9b7a 759 aandct
f7679c54
VS
760 avfilter
761 avfilter_lavf
c88f5d72
MR
762 avisynth
763 beos_netserver
f402916e 764 bzlib
27a9466b 765 fastdiv
c88f5d72
MR
766 ffmpeg
767 ffplay
768 ffserver
1848f7d9 769 fft
4f034993 770 golomb
c88f5d72 771 gpl
ecfc4f44 772 gprof
d8d0d0b2 773 gray
3abe5fbd 774 hardcoded_tables
c88f5d72 775 ipv6
f5a756ef
DB
776 libamr_nb
777 libamr_wb
f7b8bffe 778 libdc1394
690bfceb 779 libdirac
2eed5a46
DB
780 libfaac
781 libfaad
782 libfaadbin
c88f5d72 783 libgsm
6ebe07fb 784 libmp3lame
c88f5d72 785 libnut
9a77d59a 786 libopenjpeg
f7cd9eed 787 libschroedinger
ae14f311 788 libspeex
150d2772 789 libtheora
c88f5d72 790 libvorbis
1cc60c47
DB
791 libx264
792 libxvid
47a158cb 793 mdct
c88f5d72 794 memalign_hack
a8150374 795 mlib
c88f5d72
MR
796 mpegaudio_hp
797 network
3fe142e2 798 nonfree
4a24ab64 799 postproc
2b4c3615 800 powerpc_perf
68602540 801 rdft
2e35e684 802 shared
bd2216e4 803 small
2e35e684 804 static
56a059ac 805 x11grab
c88f5d72 806 zlib
4a0d6686 807"
c88f5d72 808
8eee7025
DB
809THREADS_LIST='
810 beosthreads
d22e8442 811 os2threads
8eee7025
DB
812 pthreads
813 w32threads
814'
815
3f5b56e5
MR
816ARCH_LIST='
817 alpha
a2fc0f6a 818 arm
3f5b56e5
MR
819 bfin
820 ia64
821 m68k
822 mips
823 parisc
79cb09b2 824 ppc
3f5b56e5
MR
825 s390
826 sh4
827 sparc
828 sparc64
829 x86
830 x86_32
831 x86_64
832'
833
834ARCH_EXT_LIST='
1ac9331a 835 altivec
3bf96eec 836 amd3dnow
a1ef9f08 837 amd3dnowext
1ac9331a 838 armv5te
edab3048 839 armv6
ab5cb084 840 armv6t2
f55b299a 841 armvfp
3f5b56e5
MR
842 iwmmxt
843 mmi
844 mmx
d7f0920b 845 mmx2
6b18d278 846 neon
799fde37 847 ppc4xx
1bb04d5a 848 sse
9eeed841 849 ssse3
bd9d34a0 850 vis
3f5b56e5
MR
851'
852
853HAVE_LIST="
854 $ARCH_EXT_LIST
855 $THREADS_LIST
35fd8122 856 alsa_asoundlib_h
3f5b56e5 857 altivec_h
c9fdab0d 858 arpa_inet_h
6bd859d6 859 bswap
ecf97f22 860 closesocket
1ac9331a 861 cmov
e16e49ac 862 conio_h
c88f5d72 863 dcbzl
f8aa696f
DB
864 dev_bktr_ioctl_bt848_h
865 dev_bktr_ioctl_meteor_h
866 dev_ic_bt8xx_h
867 dev_video_meteor_ioctl_meteor_h
868 dev_video_bktr_ioctl_bt848_h
18b67ae5 869 dlfcn_h
c88f5d72 870 dlopen
bc574408 871 dos_paths
245626d0
DB
872 ebp_available
873 ebx_available
c2a29455 874 fast_64bit
7073e9fc 875 fast_cmov
7b829d2a 876 fast_unaligned
9d99cc5a 877 fork
da9e86f8 878 gethrtime
4e68cb8a 879 GetProcessTimes
66be5b45 880 getrusage
2e1913b1 881 inet_aton
61d251db 882 inline_asm
0b4a1821
AS
883 libdc1394_1
884 libdc1394_2
a33cab3a
MK
885 llrint
886 lrint
c88f5d72 887 lrintf
f8aa696f
DB
888 machine_ioctl_bt848_h
889 machine_ioctl_meteor_h
c88f5d72
MR
890 malloc_h
891 memalign
6ffa87d3 892 mkstemp
b4e806b2 893 pld
1f91cdce 894 posix_memalign
9cafbd6c 895 ppc64
a33cab3a
MK
896 round
897 roundf
c88f5d72
MR
898 sdl
899 sdl_video_size
b507ebd1 900 setmode
72be9e73 901 socklen_t
deb29777 902 soundcard_h
f8cda19e 903 poll_h
b58412f1 904 sys_mman_h
b091aa44 905 sys_resource_h
81644c2e 906 sys_select_h
deb29777 907 sys_soundcard_h
1b6e8b73 908 sys_videoio_h
d3a4b4e0 909 ten_operands
e16e49ac 910 termios_h
b265431e 911 threads
7b04b8a0 912 truncf
6ff3f3e7 913 winsock2_h
304d586d 914 yasm
0cb78cef 915"
44161118 916
b6bb00b0
MR
917# options emitted with CONFIG_ prefix but not available on command line
918CONFIG_EXTRA="
b6bb00b0
MR
919"
920
520cc7f1 921CMDLINE_SELECT="
3f5b56e5 922 $ARCH_EXT_LIST
520cc7f1 923 $CONFIG_LIST
8eee7025 924 $THREADS_LIST
db6107b6 925 cross_compile
520cc7f1
MR
926 debug
927 extra_warnings
8c6afa4d 928 logging
d2bbb2f7 929 optimizations
87a0fb62 930 stripping
7595a5e4 931 yasm
520cc7f1 932"
426be5dc
DB
933
934PATHS_LIST='
d156bede 935 bindir
14a8acf1 936 datadir
26759c44
MR
937 incdir
938 libdir
26759c44
MR
939 mandir
940 prefix
941 shlibdir
426be5dc
DB
942'
943
944CMDLINE_SET="
945 $PATHS_LIST
946 arch
313c46a6 947 as
426be5dc
DB
948 build_suffix
949 cc
950 cpu
951 cross_prefix
ac63af34 952 extra_version
9da6609f
MR
953 host_cc
954 host_cflags
955 host_ldflags
956 host_libs
82bb3329 957 host_os
426be5dc 958 logfile
89641463 959 nm
26759c44 960 source_path
c5200f17
MR
961 sysinclude
962 sysroot
a7ada2ba 963 target_exec
26759c44 964 target_os
a7ada2ba 965 target_path
426be5dc 966"
520cc7f1 967
912f3148
DB
968# code dependency declarations
969
9eeed841 970# architecture extensions
79cb09b2 971altivec_deps="ppc"
3bf96eec 972amd3dnow_deps="mmx"
a1ef9f08 973amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
974armv5te_deps="arm"
975armv6_deps="arm"
ab5cb084 976armv6t2_deps="arm"
a2fc0f6a
MR
977armvfp_deps="arm"
978iwmmxt_deps="arm"
e241ba14 979mmi_deps="mips"
9eeed841 980mmx_deps="x86"
75aa95a6 981mmx2_deps="mmx"
a2fc0f6a 982neon_deps="arm"
799fde37 983ppc4xx_deps="ppc"
75aa95a6
DB
984sse_deps="mmx"
985ssse3_deps="sse"
bd9d34a0 986vis_deps="sparc"
9eeed841 987
912f3148 988# decoders / encoders
47a158cb 989aac_decoder_select="fft mdct"
d8d12c15 990ac3_decoder_deps="gpl"
47a158cb
MR
991ac3_decoder_select="fft mdct"
992atrac3_decoder_select="fft mdct"
4f034993 993cavs_decoder_select="golomb"
47a158cb 994cook_decoder_select="fft mdct"
2eef7c62 995cscd_decoder_suggest="zlib"
47a158cb 996dca_decoder_select="fft mdct"
e8ed9b7a 997dnxhd_encoder_select="aandct"
2eef7c62 998dxa_decoder_select="zlib"
406ab5cc 999eac3_decoder_deps="gpl"
47a158cb 1000eac3_decoder_select="fft mdct"
e8ed9b7a 1001eatgq_decoder_select="aandct"
d52b39c7 1002eatqi_decoder_select="aandct"
4f034993
MR
1003ffv1_decoder_select="golomb"
1004flac_decoder_select="golomb"
1005flac_encoder_select="golomb"
2eef7c62
AJ
1006flashsv_decoder_select="zlib"
1007flashsv_encoder_select="zlib"
e8ed9b7a
DB
1008flv_encoder_select="aandct"
1009h261_encoder_select="aandct"
1010h263_encoder_select="aandct"
1011h263p_encoder_select="aandct"
4f034993 1012h264_decoder_select="golomb"
711dae77 1013h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb 1014imc_decoder_select="fft mdct"
4f034993
MR
1015jpegls_decoder_select="golomb"
1016jpegls_encoder_select="golomb"
e8ed9b7a 1017ljpeg_encoder_select="aandct"
4f034993 1018loco_decoder_select="golomb"
e8ed9b7a
DB
1019mjpeg_encoder_select="aandct"
1020mpeg1video_encoder_select="aandct"
1021mpeg2video_encoder_select="aandct"
1022mpeg4_encoder_select="aandct"
711dae77
DB
1023mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1024mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
8f6f050a 1025mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1026msmpeg4v1_encoder_select="aandct"
1027msmpeg4v2_encoder_select="aandct"
1028msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1029nellymoser_decoder_select="fft mdct"
1030nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1031png_decoder_select="zlib"
1032png_encoder_select="zlib"
63cae55d 1033qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1034rv10_encoder_select="aandct"
1035rv20_encoder_select="aandct"
d52b39c7
AJ
1036rv30_decoder_select="golomb"
1037rv40_decoder_select="golomb"
4f034993
MR
1038shorten_decoder_select="golomb"
1039sonic_decoder_select="golomb"
1040sonic_encoder_select="golomb"
1041sonic_ls_encoder_select="golomb"
1042svq3_decoder_select="golomb"
bee2eac5 1043svq3_decoder_suggest="zlib"
2eef7c62
AJ
1044tiff_decoder_suggest="zlib"
1045tiff_encoder_suggest="zlib"
1046tscc_decoder_select="zlib"
711dae77 1047vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
47a158cb
MR
1048vorbis_decoder_select="fft mdct"
1049vorbis_encoder_select="fft mdct"
1050wmav1_decoder_select="fft mdct"
1051wmav1_encoder_select="fft mdct"
1052wmav2_decoder_select="fft mdct"
1053wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1054wmv1_encoder_select="aandct"
1055wmv2_encoder_select="aandct"
711dae77 1056wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2eef7c62
AJ
1057zlib_decoder_select="zlib"
1058zlib_encoder_select="zlib"
1059zmbv_decoder_select="zlib"
1060zmbv_encoder_select="zlib"
30fd06be 1061
912f3148 1062# external libraries
f5a756ef
DB
1063libamr_nb_decoder_deps="libamr_nb"
1064libamr_nb_encoder_deps="libamr_nb"
1065libamr_wb_decoder_deps="libamr_wb"
1066libamr_wb_encoder_deps="libamr_wb"
1b71f045 1067libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1068libdirac_encoder_deps="libdirac"
c9171a83 1069libfaac_encoder_deps="libfaac"
69ddbd1d 1070libfaad_decoder_deps="libfaad"
4ec45764 1071libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1072libgsm_decoder_deps="libgsm"
1073libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1074libgsm_ms_decoder_deps="libgsm"
1075libgsm_ms_encoder_deps="libgsm"
1cc60c47 1076libmp3lame_encoder_deps="libmp3lame"
9a77d59a 1077libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1078libschroedinger_decoder_deps="libschroedinger"
1079libschroedinger_encoder_deps="libschroedinger"
ae14f311 1080libspeex_decoder_deps="libspeex"
150d2772 1081libtheora_encoder_deps="libtheora"
b0caf888 1082libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1083libx264_encoder_deps="libx264"
1084libxvid_encoder_deps="libxvid"
30fd06be 1085
912f3148 1086# demuxers / muxers
03a76ba9 1087ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1088alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1089alsa_demuxer_extralibs="-lasound"
1090alsa_muxer_deps="alsa_asoundlib_h"
1091alsa_muxer_extralibs="-lasound"
50383e88 1092audio_beos_demuxer_deps="audio_beos"
4ec45764 1093audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1094audio_beos_muxer_deps="audio_beos"
4ec45764 1095audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1096avisynth_demuxer_deps="avisynth"
73483024 1097bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1098dirac_demuxer_deps="dirac_parser"
fe9bb347 1099dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1100libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1101libnut_demuxer_deps="libnut"
1102libnut_muxer_deps="libnut"
2eef7c62
AJ
1103matroska_demuxer_suggest="zlib bzlib"
1104mov_demuxer_suggest="zlib"
4bd8e17c 1105mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1106oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1107oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1108redir_demuxer_deps="network"
8eb793c4 1109rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1110rtsp_demuxer_deps="sdp_demuxer"
1111sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1112v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1113v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1114vfwcap_demuxer_deps="capCreateCaptureWindow"
1115vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1116x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1117x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1118
912f3148 1119# protocols
3fff6382 1120gopher_protocol_deps="network"
c08fb000
AB
1121http_protocol_deps="network"
1122rtp_protocol_deps="udp_protocol"
1123tcp_protocol_deps="network"
1124udp_protocol_deps="network"
1125
f7679c54 1126# filters
81124ba0 1127movie_filter_deps="avfilter_lavf"
f7679c54 1128
912f3148 1129# programs
fa859b4d 1130ffplay_deps="sdl"
6ad42348 1131ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1132ffserver_extralibs='$ldl'
a2830dca 1133
912f3148 1134
de6d9b64 1135# default parameters
8a608357 1136
2ba042a7 1137logfile="config.err"
8a608357
MR
1138
1139# installation paths
c9d19248
MR
1140prefix_default="/usr/local"
1141bindir_default='${prefix}/bin'
14a8acf1 1142datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1143incdir_default='${prefix}/include'
1144libdir_default='${prefix}/lib'
1145mandir_default='${prefix}/share/man'
1146shlibdir_default="$libdir_default"
8a608357
MR
1147
1148# toolchain
11e6d03a 1149ar="ar"
13c7df3d 1150cc_default="gcc"
9da6609f 1151host_cc_default="gcc"
11e6d03a 1152ln_s="ln -sf"
89641463 1153nm_default="nm"
11e6d03a 1154objformat="elf"
be7109c1 1155ranlib="ranlib"
0f3cb305 1156strip="strip"
11e6d03a 1157yasmexe="yasm"
8a608357
MR
1158
1159# machine
cc6a90dd 1160arch=`uname -m`
38d0a8aa 1161cpu="generic"
8a608357 1162
8a608357 1163# OS
4f854758 1164target_os=$(tolower $(uname -s))
82bb3329 1165host_os=$target_os
8a608357 1166
8a608357 1167# configurable options
497237c7 1168enable debug
aa033b1e 1169enable fastdiv
497237c7
RP
1170enable ffmpeg
1171enable ffplay
1172enable ffserver
1173enable ipv6
497237c7
RP
1174enable mpegaudio_hp
1175enable network
8400d6b8 1176enable optimizations
497237c7 1177enable protocols
530dc538 1178enable static
87a0fb62 1179enable stripping
8a608357 1180
8a608357 1181# build settings
11a9d3e8 1182add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1183SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1184FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1185LIBPREF="lib"
1186LIBSUF=".a"
c5f14466
RP
1187FULLNAME='$(NAME)$(BUILDSUF)'
1188LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1189SLIBPREF="lib"
1190SLIBSUF=".so"
c5f14466 1191SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1192SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1193SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1194LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1195
9da6609f
MR
1196host_cflags='-O3 -g -Wall'
1197host_libs='-lm'
1198
a7ada2ba
MR
1199target_path='.'
1200
0d7dca36
DB
1201# gcc stupidly only outputs the basename of targets with -MM, but we need the
1202# full relative path for objects in subdirectories for non-recursive Make.
333d5374 1203DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1204
c597172e
MR
1205# find source path
1206source_path="`dirname \"$0\"`"
497237c7 1207enable source_path_used
c597172e
MR
1208if test -z "$source_path" -o "$source_path" = "." ; then
1209 source_path="`pwd`"
497237c7 1210 disable source_path_used
c597172e
MR
1211else
1212 source_path="`cd \"$source_path\"; pwd`"
1213 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1214 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1215fi
1216
c597172e
MR
1217FFMPEG_CONFIGURATION="$@"
1218
73ef8980
MR
1219find_things(){
1220 thing=$1
1221 pattern=$2
1222 file=$source_path/$3
932ccf39 1223 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1224}
1225
1226ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1227DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1228PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1229BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1230MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1231DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1232OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1233INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1234PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1235FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1236
7483e694
DB
1237enable $ARCH_EXT_LIST \
1238 $DECODER_LIST \
1239 $ENCODER_LIST \
1240 $PARSER_LIST \
1241 $BSF_LIST \
1242 $DEMUXER_LIST \
1243 $MUXER_LIST \
f7679c54 1244 $FILTER_LIST \
7483e694
DB
1245 $PROTOCOL_LIST \
1246 $INDEV_LIST \
1247 $OUTDEV_LIST \
c597172e
MR
1248
1249die_unknown(){
1250 echo "Unknown option \"$1\"."
1251 echo "See $0 --help for available options."
1252 exit 1
1253}
1254
794f8e97 1255show_list() {
bf0c4afa
RP
1256 suffix=_$1
1257 shift
1258 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1259 exit 0
1260}
1261
c597172e 1262for opt do
7483e694
DB
1263 optval="${opt#*=}"
1264 case "$opt" in
0f010b2f 1265 --extra-cflags=*) add_cflags $optval
7483e694 1266 ;;
0f010b2f 1267 --extra-ldflags=*) add_ldflags $optval
7483e694 1268 ;;
0f010b2f 1269 --extra-libs=*) add_extralibs $optval
7483e694 1270 ;;
8fb1cb58 1271 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1272 ;;
40bcf4c7
BL
1273 --enable-debug=*) debuglevel="$optval"
1274 ;;
7483e694
DB
1275 --enable-*=*|--disable-*=*)
1276 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1277 case "$thing" in
81124ba0 1278 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1279 *) die_unknown "$opt" ;;
1280 esac
1281 ;;
1282 --enable-?*|--disable-?*)
1283 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1284 if is_in $option $COMPONENT_LIST; then
1285 eval $action \$$(toupper ${option%s})_LIST
1286 elif is_in $option $CMDLINE_SELECT; then
1287 $action $option
1288 else
1289 die_unknown $opt
1290 fi
7483e694
DB
1291 ;;
1292 --list-*)
1293 NAME="${opt#--list-}"
1294 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1295 NAME=${NAME%s}
1296 eval show_list $NAME \$$(toupper $NAME)_LIST
1297 ;;
1298 --help|-h) show_help
1299 ;;
1300 *)
884a36a7 1301 optname="${opt%%=*}"
26759c44
MR
1302 optname="${optname#--}"
1303 optname=$(echo "$optname" | sed 's/-/_/g')
1304 is_in $optname $CMDLINE_SET || die_unknown $opt
1305 eval $optname='$optval'
7483e694
DB
1306 ;;
1307 esac
c597172e
MR
1308done
1309
bcea99bb
MR
1310disabled logging && logfile=/dev/null
1311
1312echo "# $0 $@" > $logfile
1313set >> $logfile
1314
9da6609f
MR
1315test -n "$cross_prefix" && enable cross_compile
1316
adb2b908 1317ar="${cross_prefix}${ar}"
11e6d03a 1318cc_default="${cross_prefix}${cc_default}"
20e0ed95 1319nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1320ranlib="${cross_prefix}${ranlib}"
1321strip="${cross_prefix}${strip}"
1322
c5200f17
MR
1323sysinclude_default="${sysroot}/usr/include"
1324
75800dce
MR
1325set_default cc nm sysinclude
1326as_default=$cc
9da6609f
MR
1327enabled cross_compile || host_cc_default=$cc
1328set_default host_cc
13c7df3d 1329
82bb3329
MR
1330exesuf() {
1331 case $1 in
1332 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1333 esac
1334}
1335
1336EXESUF=$(exesuf $target_os)
1337HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1338
e4e69e0b 1339# set temporary file name
a49d42c2 1340: ${TMPDIR:=$TEMPDIR}
c51fafa1 1341: ${TMPDIR:=$TMP}
a49d42c2 1342: ${TMPDIR:=/tmp}
e4e69e0b 1343
54460a83
MR
1344if ! check_cmd type mktemp; then
1345 # simple replacement for missing mktemp
1346 # NOT SAFE FOR GENERAL USE
1347 mktemp(){
1348 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1349 }
1350fi
1351
1352tmpfile(){
1353 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1354 (set -C; exec > $tmp) 2>/dev/null ||
1355 die "Unable to create temoporary file in $TMPDIR."
1356 append TMPFILES $tmp
1357 eval $1=$tmp
1358}
1359
1360trap 'rm -f -- $TMPFILES' EXIT
1361trap exit HUP INT TERM
1362
1363tmpfile TMPC .c
1364tmpfile TMPE $EXESUF
1365tmpfile TMPH .h
1366tmpfile TMPO .o
1367tmpfile TMPS .S
1368tmpfile TMPSH .sh
1369
1370unset -f mktemp
e4e69e0b 1371
993f2d0f
MR
1372# make sure we can execute files in $TMPDIR
1373cat > $TMPSH 2>> $logfile <<EOF
1374#! /bin/sh
1375EOF
1376chmod +x $TMPSH >> $logfile 2>&1
1377if ! $TMPSH >> $logfile 2>&1; then
1378 cat <<EOF
1379Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1380variable to another directory and make sure that it is not mounted noexec.
1381EOF
1382 die "Sanity test failed."
1383fi
993f2d0f 1384
3a636b6f 1385if $cc --version 2>/dev/null | grep -qi gcc; then
629687f6
MR
1386 cc_type=gcc
1387elif $cc --version 2>/dev/null | grep -q Intel; then
1388 cc_type=icc
1389elif $cc -v 2>&1 | grep -q xlc; then
1390 cc_type=xlc
df442a8d
MR
1391elif $cc -V 2>/dev/null | grep -q Compaq; then
1392 cc_type=ccc
1393 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
03754fcd 1394 debuglevel=3
df442a8d 1395 add_ldflags -Wl,-z,now # calls to libots crash without this
03e37762
MR
1396elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1397 test -d "$sysroot" || die "No valid sysroot specified."
1398 cc_type=armcc
1399 armcc_conf="$PWD/armcc.conf"
1400 $cc --arm_linux_configure \
1401 --arm_linux_config_file="$armcc_conf" \
1402 --configure_sysroot="$sysroot" \
1403 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1404 die "Error creating armcc configuration file."
1405 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1406 as_default="${cross_prefix}gcc"
629687f6
MR
1407fi
1408
1409test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1410
75800dce
MR
1411set_default as
1412
154d432c
MR
1413if test -n "$sysroot"; then
1414 case "$cc_type" in
1415 gcc)
1416 add_cflags --sysroot="$sysroot"
1417 add_ldflags --sysroot="$sysroot"
1418 ;;
1419 esac
1420fi
1421
993f2d0f
MR
1422# compiler sanity check
1423check_exec <<EOF
1424int main(void){ return 0; }
1425EOF
1426if test "$?" != 0; then
1427 echo "$cc is unable to create an executable file."
1428 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1429 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1430 echo "Only do this if you know what cross compiling means."
1431 fi
1432 die "C compiler test failed."
1433fi
1434
e9b9a2f8 1435check_cflags -std=c99
9d821fc2
DB
1436check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1437#include <stdlib.h>
1438EOF
1439check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1440#include <stdlib.h>
1441EOF
e9b9a2f8 1442
b24dbcbd 1443case "$arch" in
b24dbcbd
RP
1444 alpha)
1445 arch="alpha"
1446 enable fast_64bit
c0a02a3e 1447 check_cflags -mieee
b24dbcbd 1448 ;;
cfdb6148
MR
1449 arm|armv[4567]*l)
1450 arch="arm"
b24dbcbd 1451 ;;
f4870943
MR
1452 avr32)
1453 ;;
cfdb6148
MR
1454 bfin)
1455 arch="bfin"
1456 ;;
1457 ia64)
1458 arch="ia64"
b24dbcbd 1459 enable fast_64bit
cfdb6148
MR
1460 ;;
1461 m68k)
1462 arch="m68k"
b24dbcbd 1463 ;;
de3a1240 1464 mips|mipsel|IP*)
b24dbcbd
RP
1465 arch="mips"
1466 ;;
de3a1240
DB
1467 mips64)
1468 arch="mips"
1469 enable fast_64bit
1470 ;;
61597a98 1471 parisc|hppa)
b24dbcbd
RP
1472 arch="parisc"
1473 ;;
61597a98 1474 parisc64|hppa64)
b24dbcbd
RP
1475 arch="parisc"
1476 enable fast_64bit
1477 ;;
cfdb6148
MR
1478 "Power Macintosh"|ppc|powerpc)
1479 arch="ppc"
1480 enable fast_unaligned
1481 ;;
1482 ppc64)
1483 arch="ppc"
1484 enable fast_64bit
1485 enable fast_unaligned
1486 ;;
b24dbcbd
RP
1487 s390|s390x)
1488 arch="s390"
1489 ;;
cfdb6148
MR
1490 sh4|sh)
1491 arch="sh4"
b24dbcbd 1492 ;;
cfdb6148
MR
1493 sparc)
1494 arch="sparc"
1495 ;;
1496 sun4u|sparc64)
1497 arch="sparc"
1498 subarch="sparc64"
b24dbcbd
RP
1499 enable fast_64bit
1500 ;;
cfdb6148
MR
1501 i386|i486|i586|i686|i86pc|BePC)
1502 arch="x86"
1503 subarch="x86_32"
1504 enable fast_unaligned
1505 ;;
1506 x86_64|amd64)
1507 arch="x86"
1508 subarch="x86_32"
1509 enable cmov
1510 enable fast_cmov
1511 enable fast_unaligned
1512 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1513 int test[sizeof(char*) - 7];
1514EOF
b24dbcbd
RP
1515 ;;
1516 *)
1517 arch="unknown"
1518 ;;
1519esac
1520
62045d48 1521enable $arch $subarch
b24dbcbd 1522
7483e694 1523# OS specific
4f854758 1524case $target_os in
7483e694 1525 beos|haiku|zeta)
c9d19248 1526 prefix_default="$HOME/config"
7483e694 1527 # helps building libavcodec
0f010b2f 1528 add_cflags -DPIC -fomit-frame-pointer
7483e694
DB
1529 # 3 gcc releases known for BeOS, each with ugly bugs
1530 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1531 case "$gcc_version" in
1532 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1533 disable mmx
1534 ;;
1535 *20010315*) echo "BeBits gcc"
0f010b2f 1536 add_cflags -fno-expensive-optimizations
7483e694
DB
1537 ;;
1538 esac
7483e694
DB
1539 SHFLAGS=-nostart
1540 # enable BeOS things
1541 enable audio_beos
1542 # no need for libm, but the inet stuff
1543 # Check for BONE
1544 # XXX: actually should check for NOT net_server
78fe7631 1545 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1546 network_extralibs="-lbind -lsocket"
1547 else
1548 enable beos_netserver
1549 network_extralibs="-lnet"
1550 fi ;;
1551 sunos)
1552 FFSERVERLDFLAGS=""
9987769a 1553 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1554 network_extralibs="-lsocket -lnsl"
e193c74e 1555 add_cflags -D__EXTENSIONS__
7483e694
DB
1556 ;;
1557 netbsd)
1558 oss_demuxer_extralibs="-lossaudio"
1559 oss_muxer_extralibs="-lossaudio"
1560 ;;
1561 openbsd)
1562 disable need_memalign
1563 LIBOBJFLAGS='$(PIC)'
7483e694 1564 SHFLAGS='-shared'
7483e694
DB
1565 oss_demuxer_extralibs="-lossaudio"
1566 oss_muxer_extralibs="-lossaudio"
1567 ;;
1568 freebsd)
1569 disable need_memalign
1570 ;;
1571 bsd/os)
1572 osextralibs="-lpoll -lgnugetopt"
1573 strip="strip -d"
1574 ;;
1575 darwin)
1576 disable need_memalign
0138c54e 1577 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
1578 strip="strip -x"
1579 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1580 SLIBSUF=".dylib"
1581 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1582 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1583 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1584 objformat="macho"
1b0f6fb8 1585 enabled x86_64 && objformat="macho64"
7483e694
DB
1586 ;;
1587 mingw32*)
4f854758 1588 target_os=mingw32
dcc01c06 1589 LIBTARGET=i386
1fc9fb8a 1590 if enabled x86_64; then
dcc01c06
RP
1591 disable need_memalign
1592 LIBTARGET=x64
1593 fi
fbd971a4 1594 shlibdir_default="$bindir_default"
7483e694
DB
1595 disable ffserver
1596 SLIBPREF=""
1597 SLIBSUF=".dll"
7483e694
DB
1598 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1599 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1600 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1601 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1602 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1603 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1604 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1605 objformat="win32"
bc574408 1606 enable dos_paths
b1549d61 1607 if ! enabled x86_64; then
f7ad5aa2
RP
1608 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1609 die "ERROR: MinGW runtime version must be >= 3.15."
1610 enabled_any avisynth vfwcap_demuxer &&
1611 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1612 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1613 fi
7483e694
DB
1614 ;;
1615 cygwin*)
4f854758 1616 target_os=cygwin
fbd971a4 1617 shlibdir_default="$bindir_default"
7483e694
DB
1618 SLIBPREF="cyg"
1619 SLIBSUF=".dll"
1620 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1621 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1622 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1623 objformat="win32"
bc574408 1624 enable dos_paths
7483e694 1625 ;;
4f365f37 1626 *-dos|freedos|opendos)
fdf11906 1627 disable ffplay ffserver
4f365f37
MK
1628 disable $INDEV_LIST $OUTDEV_LIST
1629 network_extralibs="-lsocket"
ff1c015d 1630 objformat="coff"
bc574408 1631 enable dos_paths
4f365f37 1632 ;;
7483e694 1633 linux)
7483e694
DB
1634 enable dv1394
1635 ;;
1636 irix*)
4f854758 1637 target_os=irix
7483e694
DB
1638 ranlib="echo ignoring ranlib"
1639 ;;
d22e8442 1640 os/2*)
d22e8442
DY
1641 strip="lxlite"
1642 ln_s="cp -f"
d22e8442 1643 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1644 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1645 FFSERVERLDFLAGS=""
287d3b13 1646 LIBSUF="_s.a"
d22e8442
DY
1647 SLIBPREF=""
1648 SLIBSUF=".dll"
1649 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1650 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1651 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1652 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1653 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1654 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1655 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1656 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1657 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1658 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1659 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1660 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 1661 enable dos_paths
d22e8442
DY
1662 ;;
1663
7483e694 1664 *)
4f924f9a 1665 die "Unknown OS '$target_os'."
7483e694
DB
1666 ;;
1667esac
1668
c9d19248
MR
1669set_default $PATHS_LIST
1670
c597172e 1671add_extralibs $osextralibs
de6d9b64 1672
28d8e661
DB
1673# Combine FFLDFLAGS and the LDFLAGS environment variable.
1674LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1675
320d060a 1676# we need to build at least one lib type
93b3c083 1677if ! enabled_any static shared; then
320d060a
DB
1678 cat <<EOF
1679At least one library type must be built.
1680Specify --enable-static to build the static libraries or --enable-shared to
1681build the shared libraries as well. To only build the shared libraries specify
1682--disable-static in addition to --enable-shared.
1683EOF
1684 exit 1;
1685fi
1686
abc4e572 1687disabled static && LIBNAME=""
2a320695 1688
a2234ceb
RP
1689if enabled_any libfaad libfaadbin ; then
1690 if check_header faad.h; then
295b8c70 1691 check_cc <<EOF
a2234ceb
RP
1692#include <faad.h>
1693#ifndef FAAD2_VERSION
1694ok faad1
1695#endif
db817cf3 1696int main(void) { return 0; }
a2234ceb
RP
1697EOF
1698 test $? = 0 && enable libfaad2
1699 else
ff3dac65 1700 die "FAAD test failed."
a2234ceb
RP
1701 fi
1702fi
1703
1704
93b3c083 1705if ! enabled gpl; then
54118497
RP
1706 die_gpl_disabled(){
1707 name=$1
1708 shift
1709 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1710 }
4a24ab64 1711 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1712 die_gpl_disabled "libx264" libx264
1713 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1714 die_gpl_disabled "FAAD2" libfaad2
1715 die_gpl_disabled "The X11 grabber" x11grab
ebb810d9 1716fi
b2e3c528 1717
3fe142e2
DB
1718if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1719 die "libamr is nonfree and --enable-nonfree is not specified."
1720fi
1721
9eeed841 1722check_deps $ARCH_EXT_LIST
0f3cb305 1723
5d323602
MR
1724test -z "$need_memalign" && need_memalign="$mmx"
1725
cf9d24ad 1726#Darwin CC versions
4f854758 1727if test $target_os = darwin; then
629687f6 1728 if enabled xlc; then
0f010b2f 1729 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1730 else
0f010b2f
DB
1731 add_cflags -pipe
1732 check_cflags -force_cpusubtype_ALL
1733 check_cflags -Wno-sign-compare
f946a9a4 1734 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1735 fi
2a1a6b64
MN
1736fi
1737
40617a6d 1738disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1739
a4adb608 1740# Add processor-specific flags
38d0a8aa 1741if test $cpu != "generic"; then
bc8ec47b
MR
1742 warn_altivec(){
1743 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1744 }
38d0a8aa 1745 case $cpu in
bb270c08 1746 601|ppc601|PowerPC601)
0f010b2f 1747 add_cflags -mcpu=601
bc8ec47b 1748 warn_altivec enabled PPC601
bb270c08
DB
1749 ;;
1750 603*|ppc603*|PowerPC603*)
0f010b2f 1751 add_cflags -mcpu=603
bc8ec47b 1752 warn_altivec enabled PPC603
bb270c08
DB
1753 ;;
1754 604*|ppc604*|PowerPC604*)
0f010b2f 1755 add_cflags -mcpu=604
bc8ec47b 1756 warn_altivec enabled PPC604
bb270c08
DB
1757 ;;
1758 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1759 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1760 warn_altivec enabled PPC75x
bb270c08
DB
1761 ;;
1762 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1763 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1764 warn_altivec disabled PPC745x
bb270c08
DB
1765 ;;
1766 74*|ppc74*|PowerPC74*)
0f010b2f 1767 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1768 warn_altivec disabled PPC74xx
bb270c08
DB
1769 ;;
1770 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1771 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1772 warn_altivec disabled PPC970
9cafbd6c 1773 enable ppc64
bb270c08 1774 ;;
e07e357d 1775 Cell|CELL|cell)
0f010b2f 1776 add_cflags -mcpu=cell
e07e357d 1777 warn_altivec disabled Cell
9cafbd6c 1778 enable ppc64
e07e357d 1779 ;;
e7768fc5
GP
1780 # targets that do NOT support conditional mov (cmov)
1781 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1782 add_cflags -march=$cpu
497237c7 1783 disable cmov
e7768fc5
GP
1784 ;;
1785 # targets that do support conditional mov (cmov)
416519dd 1786 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1787 add_cflags -march=$cpu
497237c7
RP
1788 enable cmov
1789 enable fast_cmov
94e4c3a3
GP
1790 ;;
1791 # targets that do support conditional mov but on which it's slow
800a5a19 1792 pentium4|pentium4m|prescott|nocona)
0f010b2f 1793 add_cflags -march=$cpu
497237c7
RP
1794 enable cmov
1795 disable fast_cmov
bb270c08 1796 ;;
d7b34d08 1797 sparc64)
0f010b2f 1798 add_cflags -mcpu=v9
d7b34d08 1799 ;;
f2e49553 1800 arm11*|cortex*)
0f010b2f 1801 add_cflags -mcpu=$cpu
f2e49553
MR
1802 enable fast_unaligned
1803 ;;
0223bd6f 1804 armv*)
0f010b2f 1805 add_cflags -march=$cpu
0223bd6f 1806 ;;
f2e49553 1807 arm*)
0f010b2f 1808 add_cflags -mcpu=$cpu
6b19786b 1809 ;;
1cd11856 1810 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
df442a8d 1811 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1cd11856 1812 ;;
bb270c08 1813 *)
7483e694 1814 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1815 ;;
a4adb608
MN
1816 esac
1817fi
1818
b4d96ba2
MR
1819check_cc <<EOF || die "Symbol mangling check failed."
1820int ff_extern;
1821EOF
2f05d9c1 1822sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1823extern_prefix=${sym%%ff_extern*}
1824
f65883c8
MR
1825check_cc <<EOF && enable inline_asm
1826void foo(void) { __asm__ volatile ("" ::); }
1827EOF
61d251db 1828
9eeed841 1829if enabled x86; then
44965991
PI
1830 # check whether EBP is available on x86
1831 # As 'i' is stored on the stack, this program will crash
1832 # if the base pointer is used to access it because the
1833 # base pointer is cleared in the inline assembly code.
7dfef245 1834 check_exec_crash <<EOF && enable ebp_available
44965991 1835 volatile int i=0;
be449fca 1836 __asm__ volatile (
44965991
PI
1837 "xorl %%ebp, %%ebp"
1838 ::: "%ebp");
1839 return i;
44965991
PI
1840EOF
1841
1842 # check wether EBX is available on x86
940f335a 1843 check_asm ebx_available '"":::"%ebx"'
8e380710 1844
d3a4b4e0
DB
1845 # check whether more than 10 operands are supported
1846 check_cc <<EOF && enable ten_operands
1847int main(void) {
1848 int x=0;
1849 __asm__ volatile(
1850 ""
1851 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1852 );
1853 return 0;
1854}
1855EOF
1856
d7f0920b 1857 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1858 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 1859 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
1860
1861 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1862
d52481b9 1863 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1864 enabled x86_64 && append YASMFLAGS "-m amd64"
1865 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1866 case "$objformat" in
1867 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1868 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1869 *) append YASMFLAGS "-DPREFIX" ;;
1870 esac
7595a5e4 1871 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1872fi
1873
87ea51e0
LB
1874# check for assembler specific support
1875
5b6c2cbd 1876enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1877enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1878
57bd82d4
MR
1879# check for SIMD availability
1880
115329f1 1881# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1882if enabled altivec; then
3ed1a2ee
DB
1883 check_cflags -maltivec -mabi=altivec &&
1884 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1885 check_cflags -faltivec
b6e52719 1886
0182fee8 1887 # check if our compiler supports Motorola AltiVec C API
497237c7 1888 check_cc <<EOF || disable altivec
dcd479c0 1889$inc_altivec_h
a9a07762
MN
1890int main(void) {
1891 vector signed int v1, v2, v3;
1892 v1 = vec_add(v2,v3);
1893 return 0;
1894}
1895EOF
b006b26c
DB
1896
1897 # check if our compiler supports braces for vector declarations
80a61f08 1898 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1899$inc_altivec_h
80a61f08 1900int main (void) { (vector int) {1}; return 0; }
b006b26c 1901EOF
a9a07762 1902fi
ab6c65f6 1903
b4e806b2 1904# We have to check if pld is a nop and disable it.
a2fc0f6a 1905enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1906enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1907enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1908enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1909enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1910enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1911enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1912enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1913enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1914
0f010b2f 1915enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1916
57bd82d4
MR
1917# ---
1918# big/little-endian test
9eebe687
MR
1919check_cc <<EOF || die "endian test failed"
1920unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1921EOF
d04d9e16 1922od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1923
a3999908 1924# ---
3d204385
NK
1925# check availability of some header files
1926
a98bb16d
RP
1927if check_func dlopen; then
1928 ldl=
1929elif check_func dlopen -ldl; then
1930 ldl=-ldl
8bf5d58f
MN
1931fi
1932
75ecf149
DB
1933# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1934check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1935
7483e694
DB
1936check_func fork
1937check_func gethrtime
1938check_func getrusage
094c09bb 1939check_func inet_aton $network_extralibs
7483e694
DB
1940check_func memalign
1941check_func mkstemp
1f91cdce 1942check_func posix_memalign
b507ebd1 1943check_func_headers io.h setmode
2446d3d6 1944check_func_headers windows.h GetProcessTimes
6ffa87d3 1945
e16e49ac 1946check_header conio.h
a98bb16d
RP
1947check_header dlfcn.h
1948check_header malloc.h
bf6ce82d 1949check_header poll.h
b58412f1 1950check_header sys/mman.h
b091aa44 1951check_header sys/resource.h
bf6ce82d 1952check_header sys/select.h
a98bb16d 1953check_header termios.h
272081b0
CEH
1954check_header vdpau/vdpau.h
1955check_header vdpau/vdpau_x11.h
68178ca9 1956check_header X11/extensions/XvMClib.h
a98bb16d 1957
1f91cdce
RP
1958if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1959 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1960fi
e16e49ac 1961
a4fa192c 1962disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1963disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1964
1965# check for some common methods of building with pthread support
1966# do this before the optional library checks as some of them require pthreads
1967if enabled pthreads; then
9e7fd101
MR
1968 if check_func pthread_create; then
1969 :
1970 elif check_func pthread_create -pthread; then
1971 add_cflags -pthread
afc9aee2 1972 add_extralibs -pthread
9e7fd101
MR
1973 elif check_func pthread_create -pthreads; then
1974 add_cflags -pthreads
afc9aee2 1975 add_extralibs -pthreads
8d94f606
GT
1976 elif check_func pthread_create -lpthreadGC2; then
1977 add_extralibs -lpthreadGC2
9e7fd101
MR
1978 elif ! check_lib pthread.h pthread_create -lpthread; then
1979 die "ERROR: can't find pthreads library"
1980 fi
57bd82d4
MR
1981fi
1982
8eee7025 1983for thread in $THREADS_LIST; do
e5f94c2b 1984 if enabled $thread; then
3ae3b721
RP
1985 test -n "$thread_type" &&
1986 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1987 thread_type="$thread"
e5f94c2b
RP
1988 fi
1989done
1990
fdf88598
MR
1991check_lib math.h sin -lm
1992
a33cab3a 1993# test for C99 functions in math.h
7b04b8a0 1994for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 1995 check_exec <<EOF && enable $func || disable $func
f32adb22 1996#include <math.h>
a33cab3a 1997int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1998EOF
a33cab3a 1999done
f32adb22 2000
57bd82d4 2001# these are off by default, so fail if requested and not available
79fda097 2002enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
2003enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2004enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 2005enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
2006 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2007 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
2008enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2009enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2010enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2011enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2012enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
3d6fac8c 2013enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2014enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2015 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2016enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
2017enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2018enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 2019enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
2020 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2021 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 2022enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2023enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2024
0b4a1821
AS
2025# libdc1394 check
2026if enabled libdc1394; then
2027 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2028 enable libdc1394_2; } ||
2029 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2030 enable libdc1394_1; } ||
2031 die "ERROR: No version of libdc1394 found "
2032fi
2033
2034
c13e1abd
FH
2035_restrict=
2036for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 2037 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
2038void foo(char * $restrict_keyword p);
2039EOF
c13e1abd
FH
2040done
2041
a86b921c 2042##########################################
29799f8b 2043# SDL check
a86b921c 2044
497237c7
RP
2045disable sdl_too_old
2046disable sdl
6a1a892f 2047SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2048if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
2049 sdl_cflags=`"${SDL_CONFIG}" --cflags`
2050 temp_cflags $sdl_cflags
dcd479c0 2051 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 2052 if check_lib2 SDL.h SDL_Init; then
dcd479c0 2053 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 2054 if test "$_sdlversion" -lt 121 ; then
497237c7 2055 enable sdl_too_old
dcd479c0 2056 else
497237c7 2057 enable sdl
225e21ef 2058 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2059#include <SDL.h>
d6773f56 2060int main(int argc, char **argv){
29f3b38a
MR
2061 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2062 int w = vi->current_w;
2063 return 0;
2064}
2065EOF
dcd479c0
MR
2066 fi
2067 fi
29f3b38a 2068 restore_flags
c3f6b472 2069fi
57bd82d4 2070
2270b4b2 2071texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2072
7a91333f 2073##########################################
73b46a95
RP
2074# Network check
2075
2076if enabled network; then
96000432 2077 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2078 # Prefer arpa/inet.h over winsock2
2079 if check_header arpa/inet.h ; then
2080 check_func closesocket
2081 elif check_header winsock2.h ; then
ea10ddde 2082 network_extralibs="-lws2_32"
72be9e73 2083 check_type ws2tcpip.h socklen_t
2446d3d6 2084 check_func_headers winsock2.h closesocket
73b46a95
RP
2085 fi
2086fi
2087
2088##########################################
29799f8b 2089# IPv6 check
7a91333f 2090
497237c7 2091enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2092#include <sys/types.h>
2093#include <sys/socket.h>
2094#include <netinet/in.h>
2095#include <netdb.h>
db817cf3 2096int main(void) {
7483e694
DB
2097 struct sockaddr_storage saddr;
2098 struct ipv6_mreq mreq6;
2099 getaddrinfo(0,0,0,0);
2100 getnameinfo(0,0,0,0,0,0,0);
2101 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2102}
2103EOF
2104
06e31011
RP
2105check_header linux/videodev.h
2106check_header linux/videodev2.h
1b6e8b73 2107check_header sys/videoio.h
47f38850 2108
2446d3d6 2109check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2110
f8aa696f 2111# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2112{ check_header dev/bktr/ioctl_meteor.h &&
2113 check_header dev/bktr/ioctl_bt848.h; } ||
2114{ check_header machine/ioctl_meteor.h &&
2115 check_header machine/ioctl_bt848.h; } ||
2116{ check_header dev/video/meteor/ioctl_meteor.h &&
2117 check_header dev/video/bktr/ioctl_bt848.h; } ||
2118check_header dev/ic/bt8xx.h
f8aa696f 2119
c7682de0
RP
2120check_header sys/soundcard.h
2121check_header soundcard.h
deb29777 2122
35fd8122
NG
2123check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2124
7483e694 2125# deal with the X11 frame grabber
56a059ac 2126enabled x11grab &&
f58f4ce1
GP
2127check_header X11/Xlib.h &&
2128check_header X11/extensions/XShm.h &&
2129check_func XOpenDisplay -lX11 &&
06eab4ba 2130check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2131
40bcf4c7 2132enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2133
2134# add some useful compiler flags if supported
2135check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2136check_cflags -Wall
2137check_cflags -Wno-switch
c07bd6a9
MN
2138check_cflags -Wdisabled-optimization
2139check_cflags -Wpointer-arith
2140check_cflags -Wredundant-decls
cc1fb623 2141check_cflags -Wno-pointer-sign
f4929996 2142check_cflags -Wcast-qual
9aceb3cf 2143check_cflags -Wwrite-strings
652a5bf6 2144check_cflags -Wtype-limits
764551c6 2145check_cflags -Wundef
5af4e0cc 2146enabled extra_warnings && check_cflags -Winline
cf9d24ad 2147
57bd82d4 2148# add some linker flags
5c0e9479 2149check_ldflags -Wl,--warn-common
8351d2ba
DB
2150check_ldflags -Wl,--as-needed
2151check_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 2152check_ldflags -Wl,-Bsymbolic
94a3401e 2153
bd2216e4
MR
2154if enabled small; then
2155 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2156 optimizations="small"
2157elif enabled optimizations; then
629687f6 2158 if enabled xlc; then
0f010b2f
DB
2159 add_cflags -O5
2160 add_ldflags -O5
df442a8d
MR
2161 elif enabled ccc; then
2162 add_cflags -fast
cf9d24ad 2163 else
0f010b2f 2164 add_cflags -O3
cf9d24ad 2165 fi
cddf3f45 2166fi
11fdbc44 2167check_cflags -fno-math-errno
b2eb2ff0 2168check_cflags -fno-signed-zeros
cddf3f45 2169
504a64b9 2170# add some flags for Intel C Compiler
629687f6 2171if enabled icc; then
b1598b58
MR
2172 # Just warnings, no remarks
2173 check_cflags -w1
2174 # -wd: Disable following warnings
2175 # 144, 167, 556: -Wno-pointer-sign
2176 # 10006: ignoring unknown option -fno-signed-zeros
2177 # 10156: ignoring option '-W'; no argument required
2178 check_cflags -wd144,167,556,10006,10156
2179 # 11030: Warning unknown option --as-needed
2180 # 10156: ignoring option '-export'; no argument required
2181 check_ldflags -wd10156,11030
2182 # Allow to compile with optimizations
2183 check_ldflags -march=$cpu
df442a8d
MR
2184elif enabled ccc; then
2185 # disable some annoying warnings
2186 add_cflags -msg_disable cvtu32to64
2187 add_cflags -msg_disable embedcomment
2188 add_cflags -msg_disable needconstext
2189 add_cflags -msg_disable nomainieee
2190 add_cflags -msg_disable ptrmismatch1
2191 add_cflags -msg_disable unreachcode
504a64b9
CEH
2192fi
2193
80581e98 2194# PIC flags for shared library objects where they are needed
5af4e0cc 2195if enabled shared; then
569cb218
MR
2196 # LIBOBJFLAGS may have already been set in the OS configuration
2197 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2198 case "${subarch-$arch}" in
b6bd7268 2199 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2200 esac
2201 fi
80581e98
MN
2202fi
2203
90be59ef 2204if enabled gprof; then
0f010b2f
DB
2205 add_cflags -p
2206 add_ldflags -p
1db54e20
DB
2207fi
2208
7f3c02fc 2209# Find out if the .align argument is a power of two or not.
9377b6ce 2210check_asm asmalign_pot '".align 3"'
4454dc1b 2211
7483e694
DB
2212enabled_any $DECODER_LIST && enable decoders
2213enabled_any $ENCODER_LIST && enable encoders
2214enabled_any $BSF_LIST && enable bsfs
2215enabled_any $DEMUXER_LIST && enable demuxers
2216enabled_any $MUXER_LIST && enable muxers
f7679c54 2217enabled_any $FILTER_LIST && enable filters
7483e694
DB
2218enabled_any $INDEV_LIST && enable demuxers
2219enabled_any $OUTDEV_LIST && enable muxers
2220enabled_any $PROTOCOL_LIST && enable protocols
2221
2222enabled_any $THREADS_LIST && enable threads
2223
2224check_deps $CONFIG_LIST \
b6bb00b0 2225 $CONFIG_EXTRA \
7483e694
DB
2226 $HAVE_LIST \
2227 $DECODER_LIST \
2228 $ENCODER_LIST \
2229 $PARSER_LIST \
2230 $BSF_LIST \
2231 $DEMUXER_LIST \
2232 $MUXER_LIST \
f7679c54 2233 $FILTER_LIST \
7483e694
DB
2234 $INDEV_LIST \
2235 $OUTDEV_LIST \
2236 $PROTOCOL_LIST \
f70f03f6 2237
3e89171a 2238echo "install prefix $prefix"
f36958f8
DB
2239echo "source path $source_path"
2240echo "C compiler $cc"
bfd5afd8 2241echo ".align is power-of-two $asmalign_pot"
f36958f8 2242echo "ARCH $arch ($cpu)"
ce8871c2
MR
2243if test "$build_suffix" != ""; then
2244 echo "build suffix $build_suffix"
eb94aca9 2245fi
ac63af34
DB
2246if test "$extra_version" != ""; then
2247 echo "version string suffix $extra_version"
2248fi
0db2ce77 2249echo "big-endian ${bigendian-no}"
5b6c2cbd 2250if enabled x86; then
af44e8e4 2251 echo "yasm ${yasm-no}"
0db2ce77 2252 echo "MMX enabled ${mmx-no}"
30e98e62 2253 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2254 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2255 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2256 echo "SSE enabled ${sse-no}"
30e98e62 2257 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2258 echo "CMOV enabled ${cmov-no}"
2259 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2260 echo "EBX available ${ebx_available-no}"
2261 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2262 echo "10 operands supported ${ten_operands-no}"
e41e8342 2263fi
5b6c2cbd 2264if enabled arm; then
0db2ce77
MR
2265 echo "ARMv5TE enabled ${armv5te-no}"
2266 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2267 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2268 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2269 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2270 echo "NEON enabled ${neon-no}"
eba9ae3c 2271fi
5b6c2cbd 2272if enabled mips; then
0db2ce77 2273 echo "MMI enabled ${mmi-no}"
e41e8342 2274fi
5b6c2cbd 2275if enabled ppc; then
0db2ce77 2276 echo "AltiVec enabled ${altivec-no}"
30e98e62 2277 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2278 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2279 echo "performance report ${powerpc_perf-no}"
2280fi
2281if enabled sparc; then
2282 echo "VIS enabled ${vis-no}"
e41e8342 2283fi
0db2ce77
MR
2284echo "gprof enabled ${gprof-no}"
2285echo "debug symbols ${debug-no}"
87a0fb62 2286echo "strip symbols ${stripping-no}"
8400d6b8 2287echo "optimizations ${optimizations-no}"
0db2ce77
MR
2288echo "static ${static-no}"
2289echo "shared ${shared-no}"
4a24ab64 2290echo "postprocessing support ${postproc-no}"
f7679c54 2291echo "new filter support ${avfilter-no}"
81124ba0 2292echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2293echo "network support ${network-no}"
90be59ef 2294if enabled network; then
0db2ce77 2295 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2296fi
0db2ce77
MR
2297echo "threading support ${thread_type-no}"
2298echo "SDL support ${sdl-no}"
90be59ef 2299if enabled sdl_too_old; then
bfd5afd8
DB
2300 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2301fi
0db2ce77
MR
2302echo "Sun medialib support ${mlib-no}"
2303echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2304echo "libamr-nb support ${libamr_nb-no}"
2305echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2306echo "libdc1394 support ${libdc1394-no}"
690bfceb 2307echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2308echo "libfaac enabled ${libfaac-no}"
2309echo "libfaad enabled ${libfaad-no}"
7e0871a7 2310echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2311echo "libgsm enabled ${libgsm-no}"
2312echo "libmp3lame enabled ${libmp3lame-no}"
2313echo "libnut enabled ${libnut-no}"
9a77d59a 2314echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2315echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2316echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2317echo "libtheora enabled ${libtheora-no}"
2318echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2319echo "libx264 enabled ${libx264-no}"
2320echo "libxvid enabled ${libxvid-no}"
0db2ce77 2321echo "zlib enabled ${zlib-no}"
f402916e 2322echo "bzlib enabled ${bzlib-no}"
2c62e737 2323echo
de6d9b64 2324
f7679c54 2325for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2326 echo "Enabled ${type}s:"
f65c9da1 2327 eval list=\$$(toupper $type)_LIST
8138b9db 2328 for part in $list; do
f65c9da1
MR
2329 enabled $part && echo ${part%_*}
2330 done | sort | pr -3 -t
2331 echo
8138b9db
RP
2332done
2333
ba321adb
JK
2334license="LGPL"
2335if enabled nonfree; then
2336 license="unredistributable"
2337elif enabled gpl; then
2338 license="GPL"
2339fi
2340
2341echo "License: $license"
ca5323af 2342
cf1392e9
DB
2343echo "Creating config.mak and config.h..."
2344
29799f8b
DB
2345echo "# Automatically generated by configure - do not modify!" > config.mak
2346echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2347echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2348echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2349echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2350echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2351
d921f03f 2352echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2353echo "prefix=$prefix" >> config.mak
22a324da
DB
2354echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2355echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2356echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2357echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2358echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2359echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2360echo "CC=$cc" >> config.mak
313c46a6 2361echo "AS=$as" >> config.mak
304d586d 2362echo "YASM=$yasmexe" >> config.mak
980fc7b8 2363echo "AR=$ar" >> config.mak
be7109c1 2364echo "RANLIB=$ranlib" >> config.mak
20369773 2365echo "LN_S=$ln_s" >> config.mak
87a0fb62 2366enabled stripping &&
3ae3b721 2367 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2368 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2369
a9b3f630 2370echo "OPTFLAGS=$CFLAGS" >> config.mak
0f3cb305 2371echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2372echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2373echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2374echo "YASMFLAGS=$YASMFLAGS" >> config.mak
80581e98 2375echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2376echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2377echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2378echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2379echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2380echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2381echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2382echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2383echo "SLIBSUF=$SLIBSUF" >> config.mak
2384echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2385echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2386echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2387echo "HOSTCC=$host_cc" >> config.mak
2388echo "HOSTCFLAGS=$host_cflags" >> config.mak
82bb3329 2389echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
9da6609f
MR
2390echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2391echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2392echo "TARGET_EXEC=$target_exec" >> config.mak
2393echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2394
90be59ef 2395if enabled bigendian; then
7483e694
DB
2396 echo "WORDS_BIGENDIAN=yes" >> config.mak
2397 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2398fi
44161118 2399
90be59ef 2400if enabled sdl; then
7483e694
DB
2401 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2402 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2403fi
90be59ef 2404if enabled texi2html; then
7483e694 2405 echo "BUILD_DOC=yes" >> config.mak
146ea952 2406fi
5a872801 2407
719c8e00
MR
2408get_version(){
2409 name=$1
2410 file=$source_path/$2
147e7692
MR
2411 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2412 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2413 lcname=$(tolower $name)
2414 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2415 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2416}
2417
147e7692
MR
2418get_version LIBSWSCALE libswscale/swscale.h
2419get_version LIBPOSTPROC libpostproc/postprocess.h
2420get_version LIBAVCODEC libavcodec/avcodec.h
2421get_version LIBAVDEVICE libavdevice/avdevice.h
2422get_version LIBAVFORMAT libavformat/avformat.h
2423get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2424get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2425
5af4e0cc 2426if enabled shared; then
7483e694
DB
2427 echo "BUILD_SHARED=yes" >> config.mak
2428 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2429 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2430 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2431 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2432 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2433 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2434 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2435 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2436 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2437fi
d7e27559 2438echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2439echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2440
7b5e8a27
DB
2441echo "ARCH=$arch" >> config.mak
2442
3d907e22
MR
2443print_config ARCH_ $TMPH config.mak $ARCH_LIST
2444print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2445print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2446 $CONFIG_EXTRA \
7483e694
DB
2447 $DECODER_LIST \
2448 $ENCODER_LIST \
2449 $PARSER_LIST \
2450 $BSF_LIST \
2451 $DEMUXER_LIST \
2452 $MUXER_LIST \
f7679c54 2453 $FILTER_LIST \
7483e694
DB
2454 $PROTOCOL_LIST \
2455 $INDEV_LIST \
2456 $OUTDEV_LIST \
8ac17293 2457
c13e1abd
FH
2458echo "#define restrict $_restrict" >> $TMPH
2459
bd2216e4 2460if enabled small; then
7483e694 2461 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2462fi
2463
997baf01
MR
2464echo "SRC_PATH=\"$source_path\"" >> config.mak
2465echo "SRC_PATH_BARE=$source_path" >> config.mak
2466echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2467
8156056e 2468# Apparently it's not possible to portably echo a backslash.
3ae3b721 2469enabled asmalign_pot &&
7483e694 2470 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2471 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2472
b4d96ba2 2473echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2474
9c05103f
DB
2475echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2476
b7860763 2477# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2478cmp -s $TMPH config.h &&
2479 echo "config.h is unchanged" ||
2480 mv -f $TMPH config.h
3d204385 2481
165af439 2482# build tree in object directory if source path is different from current one
90be59ef 2483if enabled source_path_used; then
165af439 2484 DIRS="\
7483e694
DB
2485 doc \
2486 libavcodec \
2487 libavcodec/alpha \
a2fc0f6a 2488 libavcodec/arm \
7483e694 2489 libavcodec/bfin \
7483e694
DB
2490 libavcodec/mlib \
2491 libavcodec/ppc \
2492 libavcodec/sh4 \
2493 libavcodec/sparc \
a6493a8f 2494 libavcodec/x86 \
52a9cf34 2495 libavdevice \
f7679c54 2496 libavfilter \
7483e694
DB
2497 libavformat \
2498 libavutil \
2499 libpostproc \
2500 libswscale \
2501 tests \
2502 tools \
7483e694 2503 "
165af439 2504 FILES="\
7483e694
DB
2505 Makefile \
2506 common.mak \
71c61f62 2507 subdir.mak \
7483e694
DB
2508 doc/texi2pod.pl \
2509 libavcodec/Makefile \
52a9cf34 2510 libavdevice/Makefile \
f7679c54 2511 libavfilter/Makefile \
7483e694
DB
2512 libavformat/Makefile \
2513 libavutil/Makefile \
2514 libpostproc/Makefile \
2515 libswscale/Makefile \
2516 "
165af439 2517 for dir in $DIRS ; do
7483e694 2518 mkdir -p $dir
165af439
MR
2519 done
2520 for f in $FILES ; do
20369773 2521 $ln_s "$source_path/$f" $f
165af439
MR
2522 done
2523fi
def4272a 2524
def4272a 2525
d0674868 2526# build pkg-config files
def4272a 2527
d0674868
DB
2528pkgconfig_generate(){
2529name=$1
b0dfd108 2530shortname=${name#lib}${build_suffix}
d0674868
DB
2531comment=$2
2532version=$3
2533libs=$4
2534requires=$5
25cd5cb3 2535cat <<EOF > $name/$name.pc
3e89171a 2536prefix=$prefix
a94e666c 2537exec_prefix=\${prefix}
f2b7382c 2538libdir=$libdir
7622778e 2539includedir=$incdir
def4272a 2540
d0674868
DB
2541Name: $name
2542Description: $comment
2543Version: $version
5dcfe9f8
AH
2544Requires: $(disabled shared && echo $requires)
2545Requires.private: $(enabled shared && echo $requires)
def4272a 2546Conflicts:
12701f6e
AH
2547Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2548Libs.private: $(enabled shared && echo $libs)
76a448ed 2549Cflags: -I\${includedir}
def4272a 2550EOF
25cd5cb3 2551cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2552prefix=
2553exec_prefix=
46d1ff83 2554libdir=\${pcfiledir}
1d44d365 2555includedir=${source_path}
def4272a 2556
d0674868
DB
2557Name: $name
2558Description: $comment
2559Version: $version
2560Requires: $requires
def4272a 2561Conflicts:
12701f6e 2562Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2563Cflags: -I\${includedir}
2564EOF
d0674868 2565}
def4272a 2566
e426941d 2567pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2568pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2569pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2570pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2571enabled avfilter &&
46983309 2572 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2573enabled postproc &&
e426941d 2574 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2575pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"