Reorder arguments for av_fifo_generic_read to be more logical and
[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 "$1" > /dev/null 2>&1 && exec "$@"
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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 "$0" "$@"
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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)"
aa033b1e 95 echo " --disable-fastdiv disable table-based division"
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96 echo " --enable-small optimize for size instead of speed"
97 echo " --disable-aandct disable AAN DCT code"
98 echo " --disable-fft disable FFT code"
99 echo " --disable-golomb disable Golomb code"
100 echo " --disable-mdct disable MDCT code"
68602540 101 echo " --disable-rdft disable RDFT code"
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102 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
103 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
104 echo " --enable-beos-netserver enable BeOS netserver"
105 echo " --disable-encoder=NAME disable encoder NAME"
106 echo " --enable-encoder=NAME enable encoder NAME"
107 echo " --disable-encoders disable all encoders"
108 echo " --disable-decoder=NAME disable decoder NAME"
109 echo " --enable-decoder=NAME enable decoder NAME"
110 echo " --disable-decoders disable all decoders"
111 echo " --disable-muxer=NAME disable muxer NAME"
112 echo " --enable-muxer=NAME enable muxer NAME"
113 echo " --disable-muxers disable all muxers"
114 echo " --disable-demuxer=NAME disable demuxer NAME"
115 echo " --enable-demuxer=NAME enable demuxer NAME"
116 echo " --disable-demuxers disable all demuxers"
117 echo " --enable-parser=NAME enable parser NAME"
118 echo " --disable-parser=NAME disable parser NAME"
119 echo " --disable-parsers disable all parsers"
120 echo " --enable-bsf=NAME enable bitstream filter NAME"
121 echo " --disable-bsf=NAME disable bitstream filter NAME"
122 echo " --disable-bsfs disable all bitstream filters"
123 echo " --enable-protocol=NAME enable protocol NAME"
124 echo " --disable-protocol=NAME disable protocol NAME"
125 echo " --disable-protocols disable all protocols"
126 echo " --disable-indevs disable input devices"
127 echo " --disable-outdevs disable output devices"
128 echo " --disable-devices disable all devices"
129 echo " --enable-filter=NAME enable filter NAME"
130 echo " --disable-filter=NAME disable filter NAME"
131 echo " --disable-filters disable all filters"
132 echo " --list-decoders show all available decoders"
133 echo " --list-encoders show all available encoders"
134 echo " --list-muxers show all available muxers"
135 echo " --list-demuxers show all available demuxers"
136 echo " --list-parsers show all available parsers"
137 echo " --list-protocols show all available protocols"
138 echo " --list-bsfs show all available bitstream filters"
139 echo " --list-indevs show all available input devices"
140 echo " --list-outdevs show all available output devices"
141 echo " --list-filters show all available filters"
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142 echo
143 echo "External library support:"
0a23c0bb 144 echo " --enable-avisynth enable reading of AVISynth script files [no]"
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145 echo " --enable-bzlib enable bzlib [autodetect]"
146 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
147 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
f7b8bffe 148 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
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149 echo " and libraw1394 [no]"
150 echo " --enable-libdirac enable Dirac support via libdirac [no]"
151 echo " --enable-libfaac enable FAAC support via libfaac [no]"
152 echo " --enable-libfaad enable FAAD support via libfaad [no]"
153 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
154 echo " --enable-libgsm enable GSM support via libgsm [no]"
155 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 156 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 157 echo " native (de)muxer exists [no]"
9a77d59a 158 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
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159 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
160 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
161 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 162 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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163 echo " native implementation exists [no]"
164 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 165 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 166 echo " native MPEG-4/Xvid encoder exists [no]"
732c9a34 167 echo " --enable-mlib enable Sun medialib [no]"
27cb5cbc 168 echo " --enable-zlib enable zlib [autodetect]"
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169 echo ""
170 echo "Advanced options (experts only):"
171 echo " --source-path=PATH path to source code [$source_path]"
172 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 173 echo " --enable-cross-compile assume a cross-compiler is used"
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174 echo " --sysroot=PATH root of cross-build tree"
175 echo " --sysinclude=PATH location of cross-build system headers"
4f854758 176 echo " --target-os=OS compiler targets OS [$target_os]"
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177 echo " --target-exec=CMD command to run executables on target"
178 echo " --target-path=DIR path to view of build directory on target"
89641463 179 echo " --nm=NM use nm tool"
313c46a6 180 echo " --as=AS use assembler AS [$as_default]"
15396d5c 181 echo " --cc=CC use C compiler CC [$cc_default]"
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182 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
183 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
184 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
185 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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186 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
187 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
188 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 189 echo " --extra-version=STRING version string suffix []"
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DB
190 echo " --build-suffix=SUFFIX library name suffix []"
191 echo " --arch=ARCH select architecture [$arch]"
192 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 193 echo " instruction selection, may crash on older CPUs)"
2b4c3615 194 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 195 echo " (requires enabling PMC)"
4f50c3d5 196 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 197 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 198 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
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199 echo " --disable-mmx disable MMX optimizations"
200 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 201 echo " --disable-sse disable SSE optimizations"
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202 echo " --disable-ssse3 disable SSSE3 optimizations"
203 echo " --disable-armv5te disable armv5te optimizations"
204 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 205 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 206 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 207 echo " --disable-iwmmxt disable iwmmxt optimizations"
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208 echo " --disable-mmi disable MMI optimizations"
209 echo " --disable-neon disable neon optimizations"
210 echo " --disable-vis disable VIS optimizations"
7595a5e4 211 echo " --disable-yasm disable use of yasm assembler"
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212 echo
213 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 214 echo " --disable-debug disable debugging symbols"
b7d49373 215 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 216 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 217 echo " --disable-optimizations disable compiler optimizations"
0a622b98 218 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 219 echo " --disable-stripping disable stripping of executables and shared libraries"
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220 echo ""
221 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 222 exit 0
74c53c2d 223}
cf9d24ad 224
57bd82d4 225log(){
2270b4b2 226 echo "$@" >> $logfile
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227}
228
720c69da 229log_file(){
c8e9f801 230 log BEGIN $1
2270b4b2 231 pr -n -t $1 >> $logfile
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232 log END $1
233}
234
2ba042a7 235echolog(){
c8e9f801 236 log "$@"
57bd82d4 237 echo "$@"
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238}
239
240die(){
241 echolog "$@"
242 cat <<EOF
243If you think configure made a mistake, make sure you are using the latest
244version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 245ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 246EOF
e155a21a 247 if disabled logging; then
2ba042a7 248 cat <<EOF
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249Rerun configure with logging enabled (do not use --disable-logging), and
250include the log this produces with your report.
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251EOF
252 else
253cat <<EOF
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254Include the log file "$logfile" produced by configure as this will help
255solving the problem.
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256EOF
257 fi
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258 exit 1
259}
260
6c6007d6 261# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 262toupper(){
6c6007d6 263 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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264}
265
4a5444db 266tolower(){
6c6007d6 267 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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268}
269
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270c_escape(){
271 echo "$*" | sed 's/["\\]/\\\0/g'
272}
273
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274set_all(){
275 value=$1
276 shift
277 for var in $*; do
278 eval $var=$value
279 done
280}
281
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282set_weak(){
283 value=$1
284 shift
285 for var; do
286 eval : \${$var:=$value}
287 done
288}
289
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290pushvar(){
291 for var in $*; do
292 eval level=\${${var}_level:=0}
293 eval ${var}_${level}="\$$var"
294 eval ${var}_level=$(($level+1))
295 done
296}
297
298popvar(){
299 for var in $*; do
300 eval level=\${${var}_level:-0}
301 test $level = 0 && continue
302 eval level=$(($level-1))
303 eval $var="\${${var}_${level}}"
304 eval ${var}_level=$level
305 eval unset ${var}_${level}
306 done
307}
308
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309enable(){
310 set_all yes $*
311}
312
313disable(){
314 set_all no $*
315}
316
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317enable_weak(){
318 set_weak yes $*
319}
320
321disable_weak(){
322 set_weak no $*
323}
324
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325enable_safe(){
326 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
327}
328
329disable_safe(){
330 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
331}
332
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333do_enable_deep(){
334 for var; do
335 enabled $var && continue
336 eval sel="\$${var}_select"
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337 eval sgs="\$${var}_suggest"
338 pushvar var sgs
f9d328da 339 enable_deep $sel
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340 popvar sgs
341 enable_deep_weak $sgs
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342 popvar var
343 done
344}
345
346enable_deep(){
347 do_enable_deep $*
348 enable $*
349}
350
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351enable_deep_weak(){
352 do_enable_deep $*
353 enable_weak $*
354}
355
57bd82d4 356enabled(){
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357 test "${1#!}" = "$1" && op== || op=!=
358 eval test "x\$${1#!}" $op "xyes"
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359}
360
37970ebf 361disabled(){
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362 test "${1#!}" = "$1" && op== || op=!=
363 eval test "x\$${1#!}" $op "xno"
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364}
365
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366enabled_all(){
367 for opt; do
368 enabled $opt || return 1
369 done
370}
371
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372disabled_all(){
373 for opt; do
374 disabled $opt || return 1
375 done
376}
377
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378enabled_any(){
379 for opt; do
380 enabled $opt && return 0
381 done
382}
383
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384disabled_any(){
385 for opt; do
386 disabled $opt && return 0
387 done
f7b230a7 388 return 1
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389}
390
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391set_default(){
392 for opt; do
88268e94 393 eval : \${$opt:=\$${opt}_default}
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394 done
395}
396
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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#!}"
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409 enabled ${cfg}_checking && die "Circular dependency for $cfg."
410 disabled ${cfg}_checking && continue
411 enable ${cfg}_checking
412
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413 eval dep_all="\$${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
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418 pushvar cfg dep_all dep_any dep_sel dep_sgs
419 check_deps $dep_all $dep_any $dep_sel $dep_sgs
420 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 421
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422 enabled_all $dep_all || disable $cfg
423 enabled_any $dep_any || disable $cfg
7ef3425f 424 disabled_any $dep_sel && disable $cfg
799c9e9b 425
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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
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431 fi
432
799c9e9b 433 disable ${cfg}_checking
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434 done
435}
436
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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" >> $header
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446 echo "${pfx}${ucname}=yes" >> $makefile
447 else
b250f9c6 448 echo "#define ${pfx}${ucname} 0" >> $header
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449 fi
450 done
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451}
452
453flags_saved(){
2270b4b2 454 (: ${SAVE_CFLAGS?}) 2> /dev/null
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455}
456
dcd479c0 457save_flags(){
57bd82d4 458 flags_saved && return
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459 SAVE_CFLAGS="$CFLAGS"
460 SAVE_LDFLAGS="$LDFLAGS"
461 SAVE_extralibs="$extralibs"
462}
463
464restore_flags(){
f5d28d10 465 flags_saved || return
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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 "$@"
2270b4b2 510 "$@" >> $logfile 2>&1
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MR
511}
512
dcd479c0 513check_cc(){
57bd82d4 514 log check_cc "$@"
2270b4b2 515 cat > $TMPC
720c69da 516 log_file $TMPC
b0cfb663 517 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
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518}
519
520check_cpp(){
521 log check_cpp "$@"
2270b4b2 522 cat > $TMPC
720c69da 523 log_file $TMPC
b0cfb663 524 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
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525}
526
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527check_as(){
528 log check_as "$@"
529 cat > $TMPC
530 log_file $TMPC
531 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
532}
533
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534check_asm(){
535 log check_asm "$@"
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); }
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541EOF
542}
543
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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
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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 $libs
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561}
562
563check_cflags(){
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564 log check_cflags "$@"
565 check_cc "$@" <<EOF && add_cflags "$@"
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566int x;
567EOF
568}
569
570check_ldflags(){
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571 log check_ldflags "$@"
572 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 573int main(void){ return 0; }
dcd479c0
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574EOF
575}
576
577check_header(){
57bd82d4 578 log check_header "$@"
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579 header=$1
580 shift
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581 disable_safe $header
582 check_cpp "$@" <<EOF && enable_safe $header
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583#include <$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="$libdir_default"
8a608357
MR
1147
1148# toolchain
11e6d03a 1149ar="ar"
313c46a6 1150as_default="gcc"
13c7df3d 1151cc_default="gcc"
9da6609f 1152host_cc_default="gcc"
11e6d03a 1153ln_s="ln -sf"
89641463 1154nm_default="nm"
11e6d03a 1155objformat="elf"
be7109c1 1156ranlib="ranlib"
0f3cb305 1157strip="strip"
11e6d03a 1158yasmexe="yasm"
8a608357
MR
1159
1160# machine
cc6a90dd 1161arch=`uname -m`
38d0a8aa 1162cpu="generic"
8a608357 1163
8a608357 1164# OS
4f854758 1165target_os=$(tolower $(uname -s))
82bb3329 1166host_os=$target_os
8a608357 1167
8a608357 1168# configurable options
497237c7 1169enable debug
aa033b1e 1170enable fastdiv
497237c7
RP
1171enable ffmpeg
1172enable ffplay
1173enable ffserver
1174enable ipv6
497237c7
RP
1175enable mpegaudio_hp
1176enable network
8400d6b8 1177enable optimizations
497237c7 1178enable protocols
530dc538 1179enable static
87a0fb62 1180enable stripping
8a608357 1181
8a608357 1182# build settings
11a9d3e8 1183add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1184SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1185FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1186LIBPREF="lib"
1187LIBSUF=".a"
c5f14466
RP
1188FULLNAME='$(NAME)$(BUILDSUF)'
1189LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1190SLIBPREF="lib"
1191SLIBSUF=".so"
c5f14466 1192SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1193SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1194SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1195LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1196
9da6609f
MR
1197host_cflags='-O3 -g -Wall'
1198host_libs='-lm'
1199
a7ada2ba
MR
1200target_path='.'
1201
0d7dca36
DB
1202# gcc stupidly only outputs the basename of targets with -MM, but we need the
1203# full relative path for objects in subdirectories for non-recursive Make.
333d5374 1204DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1205
c597172e
MR
1206# find source path
1207source_path="`dirname \"$0\"`"
497237c7 1208enable source_path_used
c597172e
MR
1209if test -z "$source_path" -o "$source_path" = "." ; then
1210 source_path="`pwd`"
497237c7 1211 disable source_path_used
c597172e
MR
1212else
1213 source_path="`cd \"$source_path\"; pwd`"
1214 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1215 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1216fi
1217
c597172e
MR
1218FFMPEG_CONFIGURATION="$@"
1219
73ef8980
MR
1220find_things(){
1221 thing=$1
1222 pattern=$2
1223 file=$source_path/$3
932ccf39 1224 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1225}
1226
1227ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1228DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1229PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1230BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1231MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1232DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1233OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1234INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1235PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1236FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1237
7483e694
DB
1238enable $ARCH_EXT_LIST \
1239 $DECODER_LIST \
1240 $ENCODER_LIST \
1241 $PARSER_LIST \
1242 $BSF_LIST \
1243 $DEMUXER_LIST \
1244 $MUXER_LIST \
f7679c54 1245 $FILTER_LIST \
7483e694
DB
1246 $PROTOCOL_LIST \
1247 $INDEV_LIST \
1248 $OUTDEV_LIST \
c597172e
MR
1249
1250die_unknown(){
1251 echo "Unknown option \"$1\"."
1252 echo "See $0 --help for available options."
1253 exit 1
1254}
1255
794f8e97 1256show_list() {
bf0c4afa
RP
1257 suffix=_$1
1258 shift
1259 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1260 exit 0
1261}
1262
c597172e 1263for opt do
7483e694
DB
1264 optval="${opt#*=}"
1265 case "$opt" in
0f010b2f 1266 --extra-cflags=*) add_cflags $optval
7483e694 1267 ;;
0f010b2f 1268 --extra-ldflags=*) add_ldflags $optval
7483e694 1269 ;;
0f010b2f 1270 --extra-libs=*) add_extralibs $optval
7483e694 1271 ;;
8fb1cb58 1272 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1273 ;;
40bcf4c7
BL
1274 --enable-debug=*) debuglevel="$optval"
1275 ;;
7483e694
DB
1276 --enable-*=*|--disable-*=*)
1277 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1278 case "$thing" in
81124ba0 1279 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1280 *) die_unknown "$opt" ;;
1281 esac
1282 ;;
1283 --enable-?*|--disable-?*)
1284 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1285 if is_in $option $COMPONENT_LIST; then
1286 eval $action \$$(toupper ${option%s})_LIST
1287 elif is_in $option $CMDLINE_SELECT; then
1288 $action $option
1289 else
1290 die_unknown $opt
1291 fi
7483e694
DB
1292 ;;
1293 --list-*)
1294 NAME="${opt#--list-}"
1295 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1296 NAME=${NAME%s}
1297 eval show_list $NAME \$$(toupper $NAME)_LIST
1298 ;;
1299 --help|-h) show_help
1300 ;;
1301 *)
884a36a7 1302 optname="${opt%%=*}"
26759c44
MR
1303 optname="${optname#--}"
1304 optname=$(echo "$optname" | sed 's/-/_/g')
1305 is_in $optname $CMDLINE_SET || die_unknown $opt
1306 eval $optname='$optval'
7483e694
DB
1307 ;;
1308 esac
c597172e
MR
1309done
1310
bcea99bb
MR
1311disabled logging && logfile=/dev/null
1312
1313echo "# $0 $@" > $logfile
1314set >> $logfile
1315
9da6609f
MR
1316test -n "$cross_prefix" && enable cross_compile
1317
adb2b908 1318ar="${cross_prefix}${ar}"
313c46a6 1319as_default="${cross_prefix}${as_default}"
11e6d03a 1320cc_default="${cross_prefix}${cc_default}"
20e0ed95 1321nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1322ranlib="${cross_prefix}${ranlib}"
1323strip="${cross_prefix}${strip}"
1324
c5200f17
MR
1325sysinclude_default="${sysroot}/usr/include"
1326
313c46a6 1327set_default as cc nm sysinclude
9da6609f
MR
1328enabled cross_compile || host_cc_default=$cc
1329set_default host_cc
13c7df3d 1330
82bb3329
MR
1331exesuf() {
1332 case $1 in
1333 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1334 esac
1335}
1336
1337EXESUF=$(exesuf $target_os)
1338HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1339
e4e69e0b 1340# set temporary file name
a49d42c2 1341: ${TMPDIR:=$TEMPDIR}
c51fafa1 1342: ${TMPDIR:=$TMP}
a49d42c2 1343: ${TMPDIR:=/tmp}
e4e69e0b 1344
54460a83
MR
1345if ! check_cmd type mktemp; then
1346 # simple replacement for missing mktemp
1347 # NOT SAFE FOR GENERAL USE
1348 mktemp(){
1349 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1350 }
1351fi
1352
1353tmpfile(){
1354 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1355 (set -C; exec > $tmp) 2>/dev/null ||
1356 die "Unable to create temoporary file in $TMPDIR."
1357 append TMPFILES $tmp
1358 eval $1=$tmp
1359}
1360
1361trap 'rm -f -- $TMPFILES' EXIT
1362trap exit HUP INT TERM
1363
1364tmpfile TMPC .c
1365tmpfile TMPE $EXESUF
1366tmpfile TMPH .h
1367tmpfile TMPO .o
1368tmpfile TMPS .S
1369tmpfile TMPSH .sh
1370
1371unset -f mktemp
e4e69e0b 1372
993f2d0f
MR
1373# make sure we can execute files in $TMPDIR
1374cat > $TMPSH 2>> $logfile <<EOF
1375#! /bin/sh
1376EOF
1377chmod +x $TMPSH >> $logfile 2>&1
1378if ! $TMPSH >> $logfile 2>&1; then
1379 cat <<EOF
1380Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1381variable to another directory and make sure that it is not mounted noexec.
1382EOF
1383 die "Sanity test failed."
1384fi
993f2d0f 1385
3a636b6f 1386if $cc --version 2>/dev/null | grep -qi gcc; then
629687f6
MR
1387 cc_type=gcc
1388elif $cc --version 2>/dev/null | grep -q Intel; then
1389 cc_type=icc
1390elif $cc -v 2>&1 | grep -q xlc; then
1391 cc_type=xlc
df442a8d
MR
1392elif $cc -V 2>/dev/null | grep -q Compaq; then
1393 cc_type=ccc
1394 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
03754fcd 1395 debuglevel=3
df442a8d 1396 add_ldflags -Wl,-z,now # calls to libots crash without this
03e37762
MR
1397elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1398 test -d "$sysroot" || die "No valid sysroot specified."
1399 cc_type=armcc
1400 armcc_conf="$PWD/armcc.conf"
1401 $cc --arm_linux_configure \
1402 --arm_linux_config_file="$armcc_conf" \
1403 --configure_sysroot="$sysroot" \
1404 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1405 die "Error creating armcc configuration file."
1406 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
629687f6
MR
1407fi
1408
1409test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1410
154d432c
MR
1411if test -n "$sysroot"; then
1412 case "$cc_type" in
1413 gcc)
1414 add_cflags --sysroot="$sysroot"
1415 add_ldflags --sysroot="$sysroot"
1416 ;;
1417 esac
1418fi
1419
993f2d0f
MR
1420# compiler sanity check
1421check_exec <<EOF
1422int main(void){ return 0; }
1423EOF
1424if test "$?" != 0; then
1425 echo "$cc is unable to create an executable file."
1426 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1427 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1428 echo "Only do this if you know what cross compiling means."
1429 fi
1430 die "C compiler test failed."
1431fi
1432
e9b9a2f8 1433check_cflags -std=c99
9d821fc2
DB
1434check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1435#include <stdlib.h>
1436EOF
1437check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1438#include <stdlib.h>
1439EOF
e9b9a2f8 1440
b24dbcbd 1441case "$arch" in
b24dbcbd
RP
1442 alpha)
1443 arch="alpha"
1444 enable fast_64bit
c0a02a3e 1445 check_cflags -mieee
b24dbcbd 1446 ;;
cfdb6148
MR
1447 arm|armv[4567]*l)
1448 arch="arm"
b24dbcbd 1449 ;;
f4870943
MR
1450 avr32)
1451 ;;
cfdb6148
MR
1452 bfin)
1453 arch="bfin"
1454 ;;
1455 ia64)
1456 arch="ia64"
b24dbcbd 1457 enable fast_64bit
cfdb6148
MR
1458 ;;
1459 m68k)
1460 arch="m68k"
b24dbcbd 1461 ;;
de3a1240 1462 mips|mipsel|IP*)
b24dbcbd
RP
1463 arch="mips"
1464 ;;
de3a1240
DB
1465 mips64)
1466 arch="mips"
1467 enable fast_64bit
1468 ;;
61597a98 1469 parisc|hppa)
b24dbcbd
RP
1470 arch="parisc"
1471 ;;
61597a98 1472 parisc64|hppa64)
b24dbcbd
RP
1473 arch="parisc"
1474 enable fast_64bit
1475 ;;
cfdb6148
MR
1476 "Power Macintosh"|ppc|powerpc)
1477 arch="ppc"
1478 enable fast_unaligned
1479 ;;
1480 ppc64)
1481 arch="ppc"
1482 enable fast_64bit
1483 enable fast_unaligned
1484 ;;
b24dbcbd
RP
1485 s390|s390x)
1486 arch="s390"
1487 ;;
cfdb6148
MR
1488 sh4|sh)
1489 arch="sh4"
b24dbcbd 1490 ;;
cfdb6148
MR
1491 sparc)
1492 arch="sparc"
1493 ;;
1494 sun4u|sparc64)
1495 arch="sparc"
1496 subarch="sparc64"
b24dbcbd
RP
1497 enable fast_64bit
1498 ;;
cfdb6148
MR
1499 i386|i486|i586|i686|i86pc|BePC)
1500 arch="x86"
1501 subarch="x86_32"
1502 enable fast_unaligned
1503 ;;
1504 x86_64|amd64)
1505 arch="x86"
1506 subarch="x86_32"
1507 enable cmov
1508 enable fast_cmov
1509 enable fast_unaligned
1510 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1511 int test[sizeof(char*) - 7];
1512EOF
b24dbcbd
RP
1513 ;;
1514 *)
1515 arch="unknown"
1516 ;;
1517esac
1518
62045d48 1519enable $arch $subarch
b24dbcbd 1520
7483e694 1521# OS specific
4f854758 1522case $target_os in
7483e694 1523 beos|haiku|zeta)
c9d19248 1524 prefix_default="$HOME/config"
7483e694 1525 # helps building libavcodec
0f010b2f 1526 add_cflags -DPIC -fomit-frame-pointer
7483e694
DB
1527 # 3 gcc releases known for BeOS, each with ugly bugs
1528 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1529 case "$gcc_version" in
1530 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1531 disable mmx
1532 ;;
1533 *20010315*) echo "BeBits gcc"
0f010b2f 1534 add_cflags -fno-expensive-optimizations
7483e694
DB
1535 ;;
1536 esac
7483e694
DB
1537 SHFLAGS=-nostart
1538 # enable BeOS things
1539 enable audio_beos
1540 # no need for libm, but the inet stuff
1541 # Check for BONE
1542 # XXX: actually should check for NOT net_server
78fe7631 1543 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1544 network_extralibs="-lbind -lsocket"
1545 else
1546 enable beos_netserver
1547 network_extralibs="-lnet"
1548 fi ;;
1549 sunos)
1550 FFSERVERLDFLAGS=""
9987769a 1551 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1552 network_extralibs="-lsocket -lnsl"
e193c74e 1553 add_cflags -D__EXTENSIONS__
7483e694
DB
1554 ;;
1555 netbsd)
1556 oss_demuxer_extralibs="-lossaudio"
1557 oss_muxer_extralibs="-lossaudio"
1558 ;;
1559 openbsd)
1560 disable need_memalign
1561 LIBOBJFLAGS='$(PIC)'
7483e694 1562 SHFLAGS='-shared'
7483e694
DB
1563 oss_demuxer_extralibs="-lossaudio"
1564 oss_muxer_extralibs="-lossaudio"
1565 ;;
1566 freebsd)
1567 disable need_memalign
1568 ;;
1569 bsd/os)
1570 osextralibs="-lpoll -lgnugetopt"
1571 strip="strip -d"
1572 ;;
1573 darwin)
1574 disable need_memalign
0138c54e 1575 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
1576 strip="strip -x"
1577 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1578 SLIBSUF=".dylib"
1579 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1580 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1581 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1582 objformat="macho"
1b0f6fb8 1583 enabled x86_64 && objformat="macho64"
7483e694
DB
1584 ;;
1585 mingw32*)
4f854758 1586 target_os=mingw32
dcc01c06 1587 LIBTARGET=i386
1fc9fb8a 1588 if enabled x86_64; then
dcc01c06
RP
1589 disable need_memalign
1590 LIBTARGET=x64
1591 fi
fbd971a4 1592 shlibdir_default="$bindir_default"
7483e694
DB
1593 disable ffserver
1594 SLIBPREF=""
1595 SLIBSUF=".dll"
7483e694
DB
1596 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1597 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1598 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1599 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1600 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1601 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1602 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1603 objformat="win32"
bc574408 1604 enable dos_paths
b1549d61 1605 if ! enabled x86_64; then
f7ad5aa2
RP
1606 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1607 die "ERROR: MinGW runtime version must be >= 3.15."
1608 enabled_any avisynth vfwcap_demuxer &&
1609 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1610 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1611 fi
7483e694
DB
1612 ;;
1613 cygwin*)
4f854758 1614 target_os=cygwin
fbd971a4 1615 shlibdir_default="$bindir_default"
7483e694
DB
1616 SLIBPREF="cyg"
1617 SLIBSUF=".dll"
1618 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1619 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1620 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1621 objformat="win32"
bc574408 1622 enable dos_paths
7483e694 1623 ;;
4f365f37 1624 *-dos|freedos|opendos)
fdf11906 1625 disable ffplay ffserver
4f365f37
MK
1626 disable $INDEV_LIST $OUTDEV_LIST
1627 network_extralibs="-lsocket"
ff1c015d 1628 objformat="coff"
bc574408 1629 enable dos_paths
4f365f37 1630 ;;
7483e694 1631 linux)
7483e694
DB
1632 enable dv1394
1633 ;;
1634 irix*)
4f854758 1635 target_os=irix
7483e694
DB
1636 ranlib="echo ignoring ranlib"
1637 ;;
d22e8442 1638 os/2*)
d22e8442
DY
1639 strip="lxlite"
1640 ln_s="cp -f"
d22e8442 1641 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1642 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1643 FFSERVERLDFLAGS=""
287d3b13 1644 LIBSUF="_s.a"
d22e8442
DY
1645 SLIBPREF=""
1646 SLIBSUF=".dll"
1647 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1648 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1649 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1650 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1651 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1652 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1653 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1654 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1655 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1656 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1657 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1658 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 1659 enable dos_paths
d22e8442
DY
1660 ;;
1661
7483e694 1662 *)
4f924f9a 1663 die "Unknown OS '$target_os'."
7483e694
DB
1664 ;;
1665esac
1666
c9d19248
MR
1667set_default $PATHS_LIST
1668
c597172e 1669add_extralibs $osextralibs
de6d9b64 1670
28d8e661
DB
1671# Combine FFLDFLAGS and the LDFLAGS environment variable.
1672LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1673
320d060a 1674# we need to build at least one lib type
93b3c083 1675if ! enabled_any static shared; then
320d060a
DB
1676 cat <<EOF
1677At least one library type must be built.
1678Specify --enable-static to build the static libraries or --enable-shared to
1679build the shared libraries as well. To only build the shared libraries specify
1680--disable-static in addition to --enable-shared.
1681EOF
1682 exit 1;
1683fi
1684
abc4e572 1685disabled static && LIBNAME=""
2a320695 1686
a2234ceb
RP
1687if enabled_any libfaad libfaadbin ; then
1688 if check_header faad.h; then
295b8c70 1689 check_cc <<EOF
a2234ceb
RP
1690#include <faad.h>
1691#ifndef FAAD2_VERSION
1692ok faad1
1693#endif
db817cf3 1694int main(void) { return 0; }
a2234ceb
RP
1695EOF
1696 test $? = 0 && enable libfaad2
1697 else
ff3dac65 1698 die "FAAD test failed."
a2234ceb
RP
1699 fi
1700fi
1701
1702
93b3c083 1703if ! enabled gpl; then
54118497
RP
1704 die_gpl_disabled(){
1705 name=$1
1706 shift
1707 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1708 }
4a24ab64 1709 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1710 die_gpl_disabled "libx264" libx264
1711 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1712 die_gpl_disabled "FAAD2" libfaad2
1713 die_gpl_disabled "The X11 grabber" x11grab
ebb810d9 1714fi
b2e3c528 1715
3fe142e2
DB
1716if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1717 die "libamr is nonfree and --enable-nonfree is not specified."
1718fi
1719
9eeed841 1720check_deps $ARCH_EXT_LIST
0f3cb305 1721
5d323602
MR
1722test -z "$need_memalign" && need_memalign="$mmx"
1723
cf9d24ad 1724#Darwin CC versions
4f854758 1725if test $target_os = darwin; then
629687f6 1726 if enabled xlc; then
0f010b2f 1727 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1728 else
0f010b2f
DB
1729 add_cflags -pipe
1730 check_cflags -force_cpusubtype_ALL
1731 check_cflags -Wno-sign-compare
f946a9a4 1732 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1733 fi
2a1a6b64
MN
1734fi
1735
40617a6d 1736disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1737
a4adb608 1738# Add processor-specific flags
38d0a8aa 1739if test $cpu != "generic"; then
bc8ec47b
MR
1740 warn_altivec(){
1741 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1742 }
38d0a8aa 1743 case $cpu in
bb270c08 1744 601|ppc601|PowerPC601)
0f010b2f 1745 add_cflags -mcpu=601
bc8ec47b 1746 warn_altivec enabled PPC601
bb270c08
DB
1747 ;;
1748 603*|ppc603*|PowerPC603*)
0f010b2f 1749 add_cflags -mcpu=603
bc8ec47b 1750 warn_altivec enabled PPC603
bb270c08
DB
1751 ;;
1752 604*|ppc604*|PowerPC604*)
0f010b2f 1753 add_cflags -mcpu=604
bc8ec47b 1754 warn_altivec enabled PPC604
bb270c08
DB
1755 ;;
1756 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1757 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1758 warn_altivec enabled PPC75x
bb270c08
DB
1759 ;;
1760 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1761 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1762 warn_altivec disabled PPC745x
bb270c08
DB
1763 ;;
1764 74*|ppc74*|PowerPC74*)
0f010b2f 1765 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1766 warn_altivec disabled PPC74xx
bb270c08
DB
1767 ;;
1768 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1769 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1770 warn_altivec disabled PPC970
9cafbd6c 1771 enable ppc64
bb270c08 1772 ;;
e07e357d 1773 Cell|CELL|cell)
0f010b2f 1774 add_cflags -mcpu=cell
e07e357d 1775 warn_altivec disabled Cell
9cafbd6c 1776 enable ppc64
e07e357d 1777 ;;
e7768fc5
GP
1778 # targets that do NOT support conditional mov (cmov)
1779 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1780 add_cflags -march=$cpu
497237c7 1781 disable cmov
e7768fc5
GP
1782 ;;
1783 # targets that do support conditional mov (cmov)
416519dd 1784 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1785 add_cflags -march=$cpu
497237c7
RP
1786 enable cmov
1787 enable fast_cmov
94e4c3a3
GP
1788 ;;
1789 # targets that do support conditional mov but on which it's slow
800a5a19 1790 pentium4|pentium4m|prescott|nocona)
0f010b2f 1791 add_cflags -march=$cpu
497237c7
RP
1792 enable cmov
1793 disable fast_cmov
bb270c08 1794 ;;
d7b34d08 1795 sparc64)
0f010b2f 1796 add_cflags -mcpu=v9
d7b34d08 1797 ;;
f2e49553 1798 arm11*|cortex*)
0f010b2f 1799 add_cflags -mcpu=$cpu
f2e49553
MR
1800 enable fast_unaligned
1801 ;;
0223bd6f 1802 armv*)
0f010b2f 1803 add_cflags -march=$cpu
0223bd6f 1804 ;;
f2e49553 1805 arm*)
0f010b2f 1806 add_cflags -mcpu=$cpu
6b19786b 1807 ;;
1cd11856 1808 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
df442a8d 1809 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1cd11856 1810 ;;
bb270c08 1811 *)
7483e694 1812 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1813 ;;
a4adb608
MN
1814 esac
1815fi
1816
b4d96ba2
MR
1817check_cc <<EOF || die "Symbol mangling check failed."
1818int ff_extern;
1819EOF
2f05d9c1 1820sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1821extern_prefix=${sym%%ff_extern*}
1822
f65883c8
MR
1823check_cc <<EOF && enable inline_asm
1824void foo(void) { __asm__ volatile ("" ::); }
1825EOF
61d251db 1826
9eeed841 1827if enabled x86; then
44965991
PI
1828 # check whether EBP is available on x86
1829 # As 'i' is stored on the stack, this program will crash
1830 # if the base pointer is used to access it because the
1831 # base pointer is cleared in the inline assembly code.
7dfef245 1832 check_exec_crash <<EOF && enable ebp_available
44965991 1833 volatile int i=0;
be449fca 1834 __asm__ volatile (
44965991
PI
1835 "xorl %%ebp, %%ebp"
1836 ::: "%ebp");
1837 return i;
44965991
PI
1838EOF
1839
1840 # check wether EBX is available on x86
940f335a 1841 check_asm ebx_available '"":::"%ebx"'
8e380710 1842
d3a4b4e0
DB
1843 # check whether more than 10 operands are supported
1844 check_cc <<EOF && enable ten_operands
1845int main(void) {
1846 int x=0;
1847 __asm__ volatile(
1848 ""
1849 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1850 );
1851 return 0;
1852}
1853EOF
1854
d7f0920b 1855 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1856 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1857 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1858
1859 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1860
d52481b9 1861 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1862 enabled x86_64 && append YASMFLAGS "-m amd64"
1863 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1864 case "$objformat" in
1865 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1866 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1867 *) append YASMFLAGS "-DPREFIX" ;;
1868 esac
7595a5e4 1869 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1870fi
1871
87ea51e0
LB
1872# check for assembler specific support
1873
5b6c2cbd 1874enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1875enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1876
57bd82d4
MR
1877# check for SIMD availability
1878
115329f1 1879# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1880if enabled altivec; then
3ed1a2ee
DB
1881 check_cflags -maltivec -mabi=altivec &&
1882 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1883 check_cflags -faltivec
b6e52719 1884
0182fee8 1885 # check if our compiler supports Motorola AltiVec C API
497237c7 1886 check_cc <<EOF || disable altivec
dcd479c0 1887$inc_altivec_h
a9a07762
MN
1888int main(void) {
1889 vector signed int v1, v2, v3;
1890 v1 = vec_add(v2,v3);
1891 return 0;
1892}
1893EOF
b006b26c
DB
1894
1895 # check if our compiler supports braces for vector declarations
80a61f08 1896 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1897$inc_altivec_h
80a61f08 1898int main (void) { (vector int) {1}; return 0; }
b006b26c 1899EOF
a9a07762 1900fi
ab6c65f6 1901
b4e806b2 1902# We have to check if pld is a nop and disable it.
a2fc0f6a 1903enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1904enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1905enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1906enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1907enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1908enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1909enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1910enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1911enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1912
0f010b2f 1913enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1914
57bd82d4
MR
1915# ---
1916# big/little-endian test
9eebe687
MR
1917check_cc <<EOF || die "endian test failed"
1918unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1919EOF
d04d9e16 1920od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1921
a3999908 1922# ---
3d204385
NK
1923# check availability of some header files
1924
a98bb16d
RP
1925if check_func dlopen; then
1926 ldl=
1927elif check_func dlopen -ldl; then
1928 ldl=-ldl
8bf5d58f
MN
1929fi
1930
75ecf149
DB
1931# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1932check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1933
7483e694
DB
1934check_func fork
1935check_func gethrtime
1936check_func getrusage
094c09bb 1937check_func inet_aton $network_extralibs
7483e694
DB
1938check_func memalign
1939check_func mkstemp
1f91cdce 1940check_func posix_memalign
b507ebd1 1941check_func_headers io.h setmode
2446d3d6 1942check_func_headers windows.h GetProcessTimes
6ffa87d3 1943
e16e49ac 1944check_header conio.h
a98bb16d
RP
1945check_header dlfcn.h
1946check_header malloc.h
bf6ce82d 1947check_header poll.h
b58412f1 1948check_header sys/mman.h
b091aa44 1949check_header sys/resource.h
bf6ce82d 1950check_header sys/select.h
a98bb16d 1951check_header termios.h
272081b0
CEH
1952check_header vdpau/vdpau.h
1953check_header vdpau/vdpau_x11.h
68178ca9 1954check_header X11/extensions/XvMClib.h
a98bb16d 1955
1f91cdce
RP
1956if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1957 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1958fi
e16e49ac 1959
a4fa192c 1960disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1961disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1962
1963# check for some common methods of building with pthread support
1964# do this before the optional library checks as some of them require pthreads
1965if enabled pthreads; then
9e7fd101
MR
1966 if check_func pthread_create; then
1967 :
1968 elif check_func pthread_create -pthread; then
1969 add_cflags -pthread
afc9aee2 1970 add_extralibs -pthread
9e7fd101
MR
1971 elif check_func pthread_create -pthreads; then
1972 add_cflags -pthreads
afc9aee2 1973 add_extralibs -pthreads
8d94f606
GT
1974 elif check_func pthread_create -lpthreadGC2; then
1975 add_extralibs -lpthreadGC2
9e7fd101
MR
1976 elif ! check_lib pthread.h pthread_create -lpthread; then
1977 die "ERROR: can't find pthreads library"
1978 fi
57bd82d4
MR
1979fi
1980
8eee7025 1981for thread in $THREADS_LIST; do
e5f94c2b 1982 if enabled $thread; then
3ae3b721
RP
1983 test -n "$thread_type" &&
1984 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1985 thread_type="$thread"
e5f94c2b
RP
1986 fi
1987done
1988
fdf88598
MR
1989check_lib math.h sin -lm
1990
a33cab3a 1991# test for C99 functions in math.h
7b04b8a0 1992for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 1993 check_exec <<EOF && enable $func || disable $func
f32adb22 1994#include <math.h>
a33cab3a 1995int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1996EOF
a33cab3a 1997done
f32adb22 1998
57bd82d4 1999# these are off by default, so fail if requested and not available
79fda097 2000enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
2001enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2002enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 2003enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
2004 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2005 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
2006enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2007enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2008enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2009enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2010enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
3d6fac8c 2011enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2012enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2013 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2014enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
2015enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2016enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 2017enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
2018 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2019 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 2020enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2021enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2022
0b4a1821
AS
2023# libdc1394 check
2024if enabled libdc1394; then
2025 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2026 enable libdc1394_2; } ||
2027 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2028 enable libdc1394_1; } ||
2029 die "ERROR: No version of libdc1394 found "
2030fi
2031
2032
c13e1abd
FH
2033_restrict=
2034for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 2035 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
2036void foo(char * $restrict_keyword p);
2037EOF
c13e1abd
FH
2038done
2039
a86b921c 2040##########################################
29799f8b 2041# SDL check
a86b921c 2042
497237c7
RP
2043disable sdl_too_old
2044disable sdl
6a1a892f 2045SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2046if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
2047 sdl_cflags=`"${SDL_CONFIG}" --cflags`
2048 temp_cflags $sdl_cflags
dcd479c0 2049 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 2050 if check_lib2 SDL.h SDL_Init; then
dcd479c0 2051 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 2052 if test "$_sdlversion" -lt 121 ; then
497237c7 2053 enable sdl_too_old
dcd479c0 2054 else
497237c7 2055 enable sdl
225e21ef 2056 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2057#include <SDL.h>
d6773f56 2058int main(int argc, char **argv){
29f3b38a
MR
2059 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2060 int w = vi->current_w;
2061 return 0;
2062}
2063EOF
dcd479c0
MR
2064 fi
2065 fi
29f3b38a 2066 restore_flags
c3f6b472 2067fi
57bd82d4 2068
2270b4b2 2069texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2070
7a91333f 2071##########################################
73b46a95
RP
2072# Network check
2073
2074if enabled network; then
96000432 2075 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2076 # Prefer arpa/inet.h over winsock2
2077 if check_header arpa/inet.h ; then
2078 check_func closesocket
2079 elif check_header winsock2.h ; then
ea10ddde 2080 network_extralibs="-lws2_32"
72be9e73 2081 check_type ws2tcpip.h socklen_t
2446d3d6 2082 check_func_headers winsock2.h closesocket
73b46a95
RP
2083 fi
2084fi
2085
2086##########################################
29799f8b 2087# IPv6 check
7a91333f 2088
497237c7 2089enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2090#include <sys/types.h>
2091#include <sys/socket.h>
2092#include <netinet/in.h>
2093#include <netdb.h>
db817cf3 2094int main(void) {
7483e694
DB
2095 struct sockaddr_storage saddr;
2096 struct ipv6_mreq mreq6;
2097 getaddrinfo(0,0,0,0);
2098 getnameinfo(0,0,0,0,0,0,0);
2099 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2100}
2101EOF
2102
06e31011
RP
2103check_header linux/videodev.h
2104check_header linux/videodev2.h
1b6e8b73 2105check_header sys/videoio.h
47f38850 2106
2446d3d6 2107check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2108
f8aa696f 2109# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2110{ check_header dev/bktr/ioctl_meteor.h &&
2111 check_header dev/bktr/ioctl_bt848.h; } ||
2112{ check_header machine/ioctl_meteor.h &&
2113 check_header machine/ioctl_bt848.h; } ||
2114{ check_header dev/video/meteor/ioctl_meteor.h &&
2115 check_header dev/video/bktr/ioctl_bt848.h; } ||
2116check_header dev/ic/bt8xx.h
f8aa696f 2117
c7682de0
RP
2118check_header sys/soundcard.h
2119check_header soundcard.h
deb29777 2120
35fd8122
NG
2121check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2122
7483e694 2123# deal with the X11 frame grabber
56a059ac 2124enabled x11grab &&
f58f4ce1
GP
2125check_header X11/Xlib.h &&
2126check_header X11/extensions/XShm.h &&
2127check_func XOpenDisplay -lX11 &&
06eab4ba 2128check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2129
40bcf4c7 2130enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2131
2132# add some useful compiler flags if supported
2133check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2134check_cflags -Wall
2135check_cflags -Wno-switch
c07bd6a9
MN
2136check_cflags -Wdisabled-optimization
2137check_cflags -Wpointer-arith
2138check_cflags -Wredundant-decls
cc1fb623 2139check_cflags -Wno-pointer-sign
f4929996 2140check_cflags -Wcast-qual
9aceb3cf 2141check_cflags -Wwrite-strings
652a5bf6 2142check_cflags -Wtype-limits
764551c6 2143check_cflags -Wundef
5af4e0cc 2144enabled extra_warnings && check_cflags -Winline
cf9d24ad 2145
57bd82d4 2146# add some linker flags
5c0e9479 2147check_ldflags -Wl,--warn-common
8351d2ba
DB
2148check_ldflags -Wl,--as-needed
2149check_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 2150check_ldflags -Wl,-Bsymbolic
94a3401e 2151
bd2216e4
MR
2152if enabled small; then
2153 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2154 optimizations="small"
2155elif enabled optimizations; then
629687f6 2156 if enabled xlc; then
0f010b2f
DB
2157 add_cflags -O5
2158 add_ldflags -O5
df442a8d
MR
2159 elif enabled ccc; then
2160 add_cflags -fast
cf9d24ad 2161 else
0f010b2f 2162 add_cflags -O3
cf9d24ad 2163 fi
cddf3f45 2164fi
11fdbc44 2165check_cflags -fno-math-errno
b2eb2ff0 2166check_cflags -fno-signed-zeros
cddf3f45 2167
504a64b9 2168# add some flags for Intel C Compiler
629687f6 2169if enabled icc; then
b1598b58
MR
2170 # Just warnings, no remarks
2171 check_cflags -w1
2172 # -wd: Disable following warnings
2173 # 144, 167, 556: -Wno-pointer-sign
2174 # 10006: ignoring unknown option -fno-signed-zeros
2175 # 10156: ignoring option '-W'; no argument required
2176 check_cflags -wd144,167,556,10006,10156
2177 # 11030: Warning unknown option --as-needed
2178 # 10156: ignoring option '-export'; no argument required
2179 check_ldflags -wd10156,11030
2180 # Allow to compile with optimizations
2181 check_ldflags -march=$cpu
df442a8d
MR
2182elif enabled ccc; then
2183 # disable some annoying warnings
2184 add_cflags -msg_disable cvtu32to64
2185 add_cflags -msg_disable embedcomment
2186 add_cflags -msg_disable needconstext
2187 add_cflags -msg_disable nomainieee
2188 add_cflags -msg_disable ptrmismatch1
2189 add_cflags -msg_disable unreachcode
504a64b9
CEH
2190fi
2191
80581e98 2192# PIC flags for shared library objects where they are needed
5af4e0cc 2193if enabled shared; then
569cb218
MR
2194 # LIBOBJFLAGS may have already been set in the OS configuration
2195 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2196 case "${subarch-$arch}" in
b6bd7268 2197 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2198 esac
2199 fi
80581e98
MN
2200fi
2201
90be59ef 2202if enabled gprof; then
0f010b2f
DB
2203 add_cflags -p
2204 add_ldflags -p
1db54e20
DB
2205fi
2206
7f3c02fc 2207# Find out if the .align argument is a power of two or not.
9377b6ce 2208check_asm asmalign_pot '".align 3"'
4454dc1b 2209
7483e694
DB
2210enabled_any $DECODER_LIST && enable decoders
2211enabled_any $ENCODER_LIST && enable encoders
2212enabled_any $BSF_LIST && enable bsfs
2213enabled_any $DEMUXER_LIST && enable demuxers
2214enabled_any $MUXER_LIST && enable muxers
f7679c54 2215enabled_any $FILTER_LIST && enable filters
7483e694
DB
2216enabled_any $INDEV_LIST && enable demuxers
2217enabled_any $OUTDEV_LIST && enable muxers
2218enabled_any $PROTOCOL_LIST && enable protocols
2219
2220enabled_any $THREADS_LIST && enable threads
2221
2222check_deps $CONFIG_LIST \
b6bb00b0 2223 $CONFIG_EXTRA \
7483e694
DB
2224 $HAVE_LIST \
2225 $DECODER_LIST \
2226 $ENCODER_LIST \
2227 $PARSER_LIST \
2228 $BSF_LIST \
2229 $DEMUXER_LIST \
2230 $MUXER_LIST \
f7679c54 2231 $FILTER_LIST \
7483e694
DB
2232 $INDEV_LIST \
2233 $OUTDEV_LIST \
2234 $PROTOCOL_LIST \
f70f03f6 2235
3e89171a 2236echo "install prefix $prefix"
f36958f8
DB
2237echo "source path $source_path"
2238echo "C compiler $cc"
bfd5afd8 2239echo ".align is power-of-two $asmalign_pot"
f36958f8 2240echo "ARCH $arch ($cpu)"
ce8871c2
MR
2241if test "$build_suffix" != ""; then
2242 echo "build suffix $build_suffix"
eb94aca9 2243fi
ac63af34
DB
2244if test "$extra_version" != ""; then
2245 echo "version string suffix $extra_version"
2246fi
0db2ce77 2247echo "big-endian ${bigendian-no}"
5b6c2cbd 2248if enabled x86; then
af44e8e4 2249 echo "yasm ${yasm-no}"
0db2ce77 2250 echo "MMX enabled ${mmx-no}"
30e98e62 2251 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2252 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2253 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2254 echo "SSE enabled ${sse-no}"
30e98e62 2255 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2256 echo "CMOV enabled ${cmov-no}"
2257 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2258 echo "EBX available ${ebx_available-no}"
2259 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2260 echo "10 operands supported ${ten_operands-no}"
e41e8342 2261fi
5b6c2cbd 2262if enabled arm; then
0db2ce77
MR
2263 echo "ARMv5TE enabled ${armv5te-no}"
2264 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2265 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2266 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2267 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2268 echo "NEON enabled ${neon-no}"
eba9ae3c 2269fi
5b6c2cbd 2270if enabled mips; then
0db2ce77 2271 echo "MMI enabled ${mmi-no}"
e41e8342 2272fi
5b6c2cbd 2273if enabled ppc; then
0db2ce77 2274 echo "AltiVec enabled ${altivec-no}"
30e98e62 2275 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2276 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2277 echo "performance report ${powerpc_perf-no}"
2278fi
2279if enabled sparc; then
2280 echo "VIS enabled ${vis-no}"
e41e8342 2281fi
0db2ce77
MR
2282echo "gprof enabled ${gprof-no}"
2283echo "debug symbols ${debug-no}"
87a0fb62 2284echo "strip symbols ${stripping-no}"
8400d6b8 2285echo "optimizations ${optimizations-no}"
0db2ce77
MR
2286echo "static ${static-no}"
2287echo "shared ${shared-no}"
4a24ab64 2288echo "postprocessing support ${postproc-no}"
f7679c54 2289echo "new filter support ${avfilter-no}"
81124ba0 2290echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2291echo "network support ${network-no}"
90be59ef 2292if enabled network; then
0db2ce77 2293 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2294fi
0db2ce77
MR
2295echo "threading support ${thread_type-no}"
2296echo "SDL support ${sdl-no}"
90be59ef 2297if enabled sdl_too_old; then
bfd5afd8
DB
2298 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2299fi
0db2ce77
MR
2300echo "Sun medialib support ${mlib-no}"
2301echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2302echo "libamr-nb support ${libamr_nb-no}"
2303echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2304echo "libdc1394 support ${libdc1394-no}"
690bfceb 2305echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2306echo "libfaac enabled ${libfaac-no}"
2307echo "libfaad enabled ${libfaad-no}"
7e0871a7 2308echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2309echo "libgsm enabled ${libgsm-no}"
2310echo "libmp3lame enabled ${libmp3lame-no}"
2311echo "libnut enabled ${libnut-no}"
9a77d59a 2312echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2313echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2314echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2315echo "libtheora enabled ${libtheora-no}"
2316echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2317echo "libx264 enabled ${libx264-no}"
2318echo "libxvid enabled ${libxvid-no}"
0db2ce77 2319echo "zlib enabled ${zlib-no}"
f402916e 2320echo "bzlib enabled ${bzlib-no}"
2c62e737 2321echo
de6d9b64 2322
f7679c54 2323for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2324 echo "Enabled ${type}s:"
f65c9da1 2325 eval list=\$$(toupper $type)_LIST
8138b9db 2326 for part in $list; do
f65c9da1
MR
2327 enabled $part && echo ${part%_*}
2328 done | sort | pr -3 -t
2329 echo
8138b9db
RP
2330done
2331
ba321adb
JK
2332license="LGPL"
2333if enabled nonfree; then
2334 license="unredistributable"
2335elif enabled gpl; then
2336 license="GPL"
2337fi
2338
2339echo "License: $license"
ca5323af 2340
cf1392e9
DB
2341echo "Creating config.mak and config.h..."
2342
29799f8b
DB
2343echo "# Automatically generated by configure - do not modify!" > config.mak
2344echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2345echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2346echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2347echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2348echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2349
d921f03f 2350echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2351echo "prefix=$prefix" >> config.mak
22a324da
DB
2352echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2353echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2354echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2355echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2356echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2357echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2358echo "CC=$cc" >> config.mak
313c46a6 2359echo "AS=$as" >> config.mak
304d586d 2360echo "YASM=$yasmexe" >> config.mak
980fc7b8 2361echo "AR=$ar" >> config.mak
be7109c1 2362echo "RANLIB=$ranlib" >> config.mak
20369773 2363echo "LN_S=$ln_s" >> config.mak
87a0fb62 2364enabled stripping &&
3ae3b721 2365 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2366 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2367
a9b3f630 2368echo "OPTFLAGS=$CFLAGS" >> config.mak
0f3cb305 2369echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2370echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2371echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2372echo "YASMFLAGS=$YASMFLAGS" >> config.mak
80581e98 2373echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2374echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2375echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2376echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2377echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2378echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2379echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2380echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2381echo "SLIBSUF=$SLIBSUF" >> config.mak
2382echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2383echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2384echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2385echo "HOSTCC=$host_cc" >> config.mak
2386echo "HOSTCFLAGS=$host_cflags" >> config.mak
82bb3329 2387echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
9da6609f
MR
2388echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2389echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2390echo "TARGET_EXEC=$target_exec" >> config.mak
2391echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2392
90be59ef 2393if enabled bigendian; then
7483e694
DB
2394 echo "WORDS_BIGENDIAN=yes" >> config.mak
2395 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2396fi
44161118 2397
90be59ef 2398if enabled sdl; then
7483e694
DB
2399 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2400 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2401fi
90be59ef 2402if enabled texi2html; then
7483e694 2403 echo "BUILD_DOC=yes" >> config.mak
146ea952 2404fi
5a872801 2405
719c8e00
MR
2406get_version(){
2407 name=$1
2408 file=$source_path/$2
147e7692
MR
2409 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2410 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2411 lcname=$(tolower $name)
2412 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2413 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2414}
2415
147e7692
MR
2416get_version LIBSWSCALE libswscale/swscale.h
2417get_version LIBPOSTPROC libpostproc/postprocess.h
2418get_version LIBAVCODEC libavcodec/avcodec.h
2419get_version LIBAVDEVICE libavdevice/avdevice.h
2420get_version LIBAVFORMAT libavformat/avformat.h
2421get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2422get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2423
5af4e0cc 2424if enabled shared; then
7483e694
DB
2425 echo "BUILD_SHARED=yes" >> config.mak
2426 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2427 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2428 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2429 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2430 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2431 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2432 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2433 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2434 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2435fi
d7e27559 2436echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2437echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2438
7b5e8a27
DB
2439echo "ARCH=$arch" >> config.mak
2440
3d907e22
MR
2441print_config ARCH_ $TMPH config.mak $ARCH_LIST
2442print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2443print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2444 $CONFIG_EXTRA \
7483e694
DB
2445 $DECODER_LIST \
2446 $ENCODER_LIST \
2447 $PARSER_LIST \
2448 $BSF_LIST \
2449 $DEMUXER_LIST \
2450 $MUXER_LIST \
f7679c54 2451 $FILTER_LIST \
7483e694
DB
2452 $PROTOCOL_LIST \
2453 $INDEV_LIST \
2454 $OUTDEV_LIST \
8ac17293 2455
c13e1abd
FH
2456echo "#define restrict $_restrict" >> $TMPH
2457
bd2216e4 2458if enabled small; then
7483e694 2459 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2460fi
2461
997baf01
MR
2462echo "SRC_PATH=\"$source_path\"" >> config.mak
2463echo "SRC_PATH_BARE=$source_path" >> config.mak
2464echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2465
8156056e 2466# Apparently it's not possible to portably echo a backslash.
3ae3b721 2467enabled asmalign_pot &&
7483e694 2468 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2469 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2470
b4d96ba2 2471echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2472
9c05103f
DB
2473echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2474
b7860763 2475# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2476cmp -s $TMPH config.h &&
2477 echo "config.h is unchanged" ||
2478 mv -f $TMPH config.h
3d204385 2479
165af439 2480# build tree in object directory if source path is different from current one
90be59ef 2481if enabled source_path_used; then
165af439 2482 DIRS="\
7483e694
DB
2483 doc \
2484 libavcodec \
2485 libavcodec/alpha \
a2fc0f6a 2486 libavcodec/arm \
7483e694 2487 libavcodec/bfin \
7483e694
DB
2488 libavcodec/mlib \
2489 libavcodec/ppc \
2490 libavcodec/sh4 \
2491 libavcodec/sparc \
a6493a8f 2492 libavcodec/x86 \
52a9cf34 2493 libavdevice \
f7679c54 2494 libavfilter \
7483e694
DB
2495 libavformat \
2496 libavutil \
2497 libpostproc \
2498 libswscale \
2499 tests \
2500 tools \
7483e694 2501 "
165af439 2502 FILES="\
7483e694
DB
2503 Makefile \
2504 common.mak \
71c61f62 2505 subdir.mak \
7483e694
DB
2506 doc/texi2pod.pl \
2507 libavcodec/Makefile \
52a9cf34 2508 libavdevice/Makefile \
f7679c54 2509 libavfilter/Makefile \
7483e694
DB
2510 libavformat/Makefile \
2511 libavutil/Makefile \
2512 libpostproc/Makefile \
2513 libswscale/Makefile \
2514 "
165af439 2515 for dir in $DIRS ; do
7483e694 2516 mkdir -p $dir
165af439
MR
2517 done
2518 for f in $FILES ; do
20369773 2519 $ln_s "$source_path/$f" $f
165af439
MR
2520 done
2521fi
def4272a 2522
def4272a 2523
d0674868 2524# build pkg-config files
def4272a 2525
d0674868
DB
2526pkgconfig_generate(){
2527name=$1
b0dfd108 2528shortname=${name#lib}${build_suffix}
d0674868
DB
2529comment=$2
2530version=$3
2531libs=$4
2532requires=$5
25cd5cb3 2533cat <<EOF > $name/$name.pc
3e89171a 2534prefix=$prefix
a94e666c 2535exec_prefix=\${prefix}
f2b7382c 2536libdir=$libdir
7622778e 2537includedir=$incdir
def4272a 2538
d0674868
DB
2539Name: $name
2540Description: $comment
2541Version: $version
5dcfe9f8
AH
2542Requires: $(disabled shared && echo $requires)
2543Requires.private: $(enabled shared && echo $requires)
def4272a 2544Conflicts:
12701f6e
AH
2545Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2546Libs.private: $(enabled shared && echo $libs)
76a448ed 2547Cflags: -I\${includedir}
def4272a 2548EOF
25cd5cb3 2549cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2550prefix=
2551exec_prefix=
46d1ff83 2552libdir=\${pcfiledir}
1d44d365 2553includedir=${source_path}
def4272a 2554
d0674868
DB
2555Name: $name
2556Description: $comment
2557Version: $version
2558Requires: $requires
def4272a 2559Conflicts:
12701f6e 2560Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2561Cflags: -I\${includedir}
2562EOF
d0674868 2563}
def4272a 2564
e426941d 2565pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2566pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2567pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2568pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2569enabled avfilter &&
46983309 2570 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2571enabled postproc &&
e426941d 2572 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2573pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"