Fix unaligned accesses by doing bytewise access until aligned, then
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
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57show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
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DB
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
3e89171a 65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
14a8acf1 67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
74c53c2d 68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
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72 echo
73 echo "Configuration options:"
e6b9d588
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74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
0a23c0bb
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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]"
9cad0e4e 78 echo " --enable-version3 upgrade (L)GPL to version 3 [no]"
0a23c0bb
DB
79 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
80 echo " and binaries will be unredistributable [no]"
62560865
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81 echo " --disable-ffmpeg disable ffmpeg build"
82 echo " --disable-ffplay disable ffplay build"
83 echo " --disable-ffserver disable ffserver build"
e6b9d588 84 echo " --enable-postproc enable GPLed postprocessing support [no]"
fdf11906 85 echo " --enable-avfilter video filter support [no]"
0a23c0bb 86 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
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87 echo " --enable-beosthreads use BeOS threads [no]"
88 echo " --enable-os2threads use OS/2 threads [no]"
89 echo " --enable-pthreads use pthreads [no]"
90 echo " --enable-w32threads use Win32 threads [no]"
91 echo " --enable-x11grab enable X11 grabbing [no]"
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92 echo " --disable-network disable network support [no]"
93 echo " --disable-ipv6 disable IPv6 support [no]"
94 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
95 echo " --enable-gray enable full grayscale support (slower color)"
a9ddb5b1 96 echo " --disable-swscale-alpha disable alpha channel support in swscale"
aa033b1e 97 echo " --disable-fastdiv disable table-based division"
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98 echo " --enable-small optimize for size instead of speed"
99 echo " --disable-aandct disable AAN DCT code"
100 echo " --disable-fft disable FFT code"
101 echo " --disable-golomb disable Golomb code"
102 echo " --disable-mdct disable MDCT code"
68602540 103 echo " --disable-rdft disable RDFT code"
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104 echo " --disable-vaapi disable VAAPI code"
105 echo " --disable-vdpau disable VDPAU code"
e90f5b5a 106 echo " --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
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107 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
108 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
109 echo " --enable-beos-netserver enable BeOS netserver"
110 echo " --disable-encoder=NAME disable encoder NAME"
111 echo " --enable-encoder=NAME enable encoder NAME"
112 echo " --disable-encoders disable all encoders"
113 echo " --disable-decoder=NAME disable decoder NAME"
114 echo " --enable-decoder=NAME enable decoder NAME"
115 echo " --disable-decoders disable all decoders"
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116 echo " --disable-hwaccel=NAME disable hwaccel NAME"
117 echo " --enable-hwaccel=NAME enable hwaccel NAME"
118 echo " --disable-hwaccels disable all hwaccels"
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119 echo " --disable-muxer=NAME disable muxer NAME"
120 echo " --enable-muxer=NAME enable muxer NAME"
121 echo " --disable-muxers disable all muxers"
122 echo " --disable-demuxer=NAME disable demuxer NAME"
123 echo " --enable-demuxer=NAME enable demuxer NAME"
124 echo " --disable-demuxers disable all demuxers"
125 echo " --enable-parser=NAME enable parser NAME"
126 echo " --disable-parser=NAME disable parser NAME"
127 echo " --disable-parsers disable all parsers"
128 echo " --enable-bsf=NAME enable bitstream filter NAME"
129 echo " --disable-bsf=NAME disable bitstream filter NAME"
130 echo " --disable-bsfs disable all bitstream filters"
131 echo " --enable-protocol=NAME enable protocol NAME"
132 echo " --disable-protocol=NAME disable protocol NAME"
133 echo " --disable-protocols disable all protocols"
134 echo " --disable-indevs disable input devices"
135 echo " --disable-outdevs disable output devices"
136 echo " --disable-devices disable all devices"
137 echo " --enable-filter=NAME enable filter NAME"
138 echo " --disable-filter=NAME disable filter NAME"
139 echo " --disable-filters disable all filters"
140 echo " --list-decoders show all available decoders"
141 echo " --list-encoders show all available encoders"
5666fd73 142 echo " --list-hwaccels show all available hardware accelerators"
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143 echo " --list-muxers show all available muxers"
144 echo " --list-demuxers show all available demuxers"
145 echo " --list-parsers show all available parsers"
146 echo " --list-protocols show all available protocols"
147 echo " --list-bsfs show all available bitstream filters"
148 echo " --list-indevs show all available input devices"
149 echo " --list-outdevs show all available output devices"
150 echo " --list-filters show all available filters"
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151 echo
152 echo "External library support:"
0a23c0bb 153 echo " --enable-avisynth enable reading of AVISynth script files [no]"
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154 echo " --enable-bzlib enable bzlib [autodetect]"
155 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
156 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
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157 echo " --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
158 echo " --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
f7b8bffe 159 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
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160 echo " and libraw1394 [no]"
161 echo " --enable-libdirac enable Dirac support via libdirac [no]"
162 echo " --enable-libfaac enable FAAC support via libfaac [no]"
163 echo " --enable-libfaad enable FAAD support via libfaad [no]"
164 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
165 echo " --enable-libgsm enable GSM support via libgsm [no]"
166 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 167 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 168 echo " native (de)muxer exists [no]"
9a77d59a 169 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
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170 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
171 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
172 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 173 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
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174 echo " native implementation exists [no]"
175 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 176 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 177 echo " native MPEG-4/Xvid encoder exists [no]"
732c9a34 178 echo " --enable-mlib enable Sun medialib [no]"
27cb5cbc 179 echo " --enable-zlib enable zlib [autodetect]"
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180 echo ""
181 echo "Advanced options (experts only):"
182 echo " --source-path=PATH path to source code [$source_path]"
183 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 184 echo " --enable-cross-compile assume a cross-compiler is used"
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185 echo " --sysroot=PATH root of cross-build tree"
186 echo " --sysinclude=PATH location of cross-build system headers"
4f854758 187 echo " --target-os=OS compiler targets OS [$target_os]"
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188 echo " --target-exec=CMD command to run executables on target"
189 echo " --target-path=DIR path to view of build directory on target"
89641463 190 echo " --nm=NM use nm tool"
313c46a6 191 echo " --as=AS use assembler AS [$as_default]"
15396d5c 192 echo " --cc=CC use C compiler CC [$cc_default]"
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193 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
194 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
195 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
196 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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197 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
198 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
199 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 200 echo " --extra-version=STRING version string suffix []"
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201 echo " --build-suffix=SUFFIX library name suffix []"
202 echo " --arch=ARCH select architecture [$arch]"
203 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 204 echo " instruction selection, may crash on older CPUs)"
2b4c3615 205 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 206 echo " (requires enabling PMC)"
4f50c3d5 207 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 208 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 209 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
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210 echo " --disable-mmx disable MMX optimizations"
211 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 212 echo " --disable-sse disable SSE optimizations"
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213 echo " --disable-ssse3 disable SSSE3 optimizations"
214 echo " --disable-armv5te disable armv5te optimizations"
215 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 216 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 217 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 218 echo " --disable-iwmmxt disable iwmmxt optimizations"
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DB
219 echo " --disable-mmi disable MMI optimizations"
220 echo " --disable-neon disable neon optimizations"
221 echo " --disable-vis disable VIS optimizations"
7595a5e4 222 echo " --disable-yasm disable use of yasm assembler"
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223 echo
224 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 225 echo " --disable-debug disable debugging symbols"
b7d49373 226 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 227 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 228 echo " --disable-optimizations disable compiler optimizations"
0a622b98 229 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 230 echo " --disable-stripping disable stripping of executables and shared libraries"
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231 echo ""
232 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 233 exit 0
74c53c2d 234}
cf9d24ad 235
57bd82d4 236log(){
2270b4b2 237 echo "$@" >> $logfile
57bd82d4
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238}
239
720c69da 240log_file(){
c8e9f801 241 log BEGIN $1
2270b4b2 242 pr -n -t $1 >> $logfile
c8e9f801
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243 log END $1
244}
245
2ba042a7 246echolog(){
c8e9f801 247 log "$@"
57bd82d4 248 echo "$@"
2ba042a7
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249}
250
251die(){
252 echolog "$@"
253 cat <<EOF
d326cf7f 254
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255If you think configure made a mistake, make sure you are using the latest
256version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 257ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 258EOF
e155a21a 259 if disabled logging; then
2ba042a7 260 cat <<EOF
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261Rerun configure with logging enabled (do not use --disable-logging), and
262include the log this produces with your report.
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263EOF
264 else
265cat <<EOF
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266Include the log file "$logfile" produced by configure as this will help
267solving the problem.
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268EOF
269 fi
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270 exit 1
271}
272
6c6007d6 273# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 274toupper(){
6c6007d6 275 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
276}
277
4a5444db 278tolower(){
6c6007d6 279 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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280}
281
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282c_escape(){
283 echo "$*" | sed 's/["\\]/\\\0/g'
284}
285
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286set_all(){
287 value=$1
288 shift
289 for var in $*; do
290 eval $var=$value
291 done
292}
293
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294set_weak(){
295 value=$1
296 shift
297 for var; do
298 eval : \${$var:=$value}
299 done
300}
301
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302pushvar(){
303 for var in $*; do
304 eval level=\${${var}_level:=0}
305 eval ${var}_${level}="\$$var"
306 eval ${var}_level=$(($level+1))
307 done
308}
309
310popvar(){
311 for var in $*; do
312 eval level=\${${var}_level:-0}
313 test $level = 0 && continue
314 eval level=$(($level-1))
315 eval $var="\${${var}_${level}}"
316 eval ${var}_level=$level
317 eval unset ${var}_${level}
318 done
319}
320
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321enable(){
322 set_all yes $*
323}
324
325disable(){
326 set_all no $*
327}
328
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329enable_weak(){
330 set_weak yes $*
331}
332
333disable_weak(){
334 set_weak no $*
335}
336
72702705
MR
337enable_safe(){
338 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
339}
340
341disable_safe(){
342 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
343}
344
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MR
345do_enable_deep(){
346 for var; do
347 enabled $var && continue
348 eval sel="\$${var}_select"
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349 eval sgs="\$${var}_suggest"
350 pushvar var sgs
f9d328da 351 enable_deep $sel
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352 popvar sgs
353 enable_deep_weak $sgs
f9d328da
MR
354 popvar var
355 done
356}
357
358enable_deep(){
359 do_enable_deep $*
360 enable $*
361}
362
72a43668
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363enable_deep_weak(){
364 do_enable_deep $*
365 enable_weak $*
366}
367
57bd82d4 368enabled(){
3250003c
MR
369 test "${1#!}" = "$1" && op== || op=!=
370 eval test "x\$${1#!}" $op "xyes"
44161118
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371}
372
37970ebf 373disabled(){
3250003c
MR
374 test "${1#!}" = "$1" && op== || op=!=
375 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
376}
377
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378enabled_all(){
379 for opt; do
380 enabled $opt || return 1
381 done
382}
383
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384disabled_all(){
385 for opt; do
386 disabled $opt || return 1
387 done
388}
389
44161118
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390enabled_any(){
391 for opt; do
392 enabled $opt && return 0
393 done
394}
395
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396disabled_any(){
397 for opt; do
398 disabled $opt && return 0
399 done
f7b230a7 400 return 1
85bca2c5
DB
401}
402
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403set_default(){
404 for opt; do
88268e94 405 eval : \${$opt:=\$${opt}_default}
c9d19248
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406 done
407}
408
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409is_in(){
410 value=$1
411 shift
412 for var in $*; do
413 [ $var = $value ] && return 0
414 done
415 return 1
416}
417
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418check_deps(){
419 for cfg; do
3250003c 420 cfg="${cfg#!}"
799c9e9b
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421 enabled ${cfg}_checking && die "Circular dependency for $cfg."
422 disabled ${cfg}_checking && continue
423 enable ${cfg}_checking
424
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425 eval dep_all="\$${cfg}_deps"
426 eval dep_any="\$${cfg}_deps_any"
7ef3425f 427 eval dep_sel="\$${cfg}_select"
c510c7b5 428 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 429
c510c7b5
MR
430 pushvar cfg dep_all dep_any dep_sel dep_sgs
431 check_deps $dep_all $dep_any $dep_sel $dep_sgs
432 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 433
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434 enabled_all $dep_all || disable $cfg
435 enabled_any $dep_any || disable $cfg
7ef3425f 436 disabled_any $dep_sel && disable $cfg
799c9e9b 437
4ec45764
RP
438 if enabled $cfg; then
439 eval dep_extralibs="\$${cfg}_extralibs"
440 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 441 enable_deep $dep_sel
c510c7b5 442 enable_deep_weak $dep_sgs
4ec45764
RP
443 fi
444
799c9e9b 445 disable ${cfg}_checking
30fd06be
MR
446 done
447}
448
44161118
MR
449print_config(){
450 pfx=$1
451 header=$2
452 makefile=$3
453 shift 3
454 for cfg; do
5e622c40 455 ucname="$(toupper $cfg)"
44161118 456 if enabled $cfg; then
3d907e22 457 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
458 echo "${pfx}${ucname}=yes" >> $makefile
459 else
b250f9c6 460 echo "#define ${pfx}${ucname} 0" >> $header
44161118
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461 fi
462 done
57bd82d4
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463}
464
465flags_saved(){
2270b4b2 466 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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467}
468
dcd479c0 469save_flags(){
57bd82d4 470 flags_saved && return
dcd479c0
MR
471 SAVE_CFLAGS="$CFLAGS"
472 SAVE_LDFLAGS="$LDFLAGS"
473 SAVE_extralibs="$extralibs"
474}
475
476restore_flags(){
f5d28d10 477 flags_saved || return
dcd479c0
MR
478 CFLAGS="$SAVE_CFLAGS"
479 LDFLAGS="$SAVE_LDFLAGS"
480 extralibs="$SAVE_extralibs"
481 unset SAVE_CFLAGS
482 unset SAVE_LDFLAGS
483 unset SAVE_extralibs
484}
485
486temp_cflags(){
487 save_flags
488 CFLAGS="$CFLAGS $*"
489}
490
491temp_ldflags(){
492 save_flags
493 LDFLAGS="$LDFLAGS $*"
494}
495
496temp_extralibs(){
497 save_flags
498 extralibs="$extralibs $*"
499}
500
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501append(){
502 var=$1
503 shift
504 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
505 eval "$var=\"\$$var $*\""
506}
507
508add_cflags(){
509 append CFLAGS "$@"
510}
511
512add_ldflags(){
513 append LDFLAGS "$@"
514}
515
516add_extralibs(){
517 append extralibs "$@"
518}
519
b0cfb663 520check_cmd(){
b3cb5d51 521 log "$@"
2270b4b2 522 "$@" >> $logfile 2>&1
b0cfb663
MR
523}
524
dcd479c0 525check_cc(){
57bd82d4 526 log check_cc "$@"
2270b4b2 527 cat > $TMPC
720c69da 528 log_file $TMPC
b0cfb663 529 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
530}
531
532check_cpp(){
533 log check_cpp "$@"
2270b4b2 534 cat > $TMPC
720c69da 535 log_file $TMPC
b0cfb663 536 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
537}
538
f65883c8
MR
539check_as(){
540 log check_as "$@"
541 cat > $TMPC
542 log_file $TMPC
543 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
544}
545
940f335a
MR
546check_asm(){
547 log check_asm "$@"
548 name="$1"
549 asm="$2"
550 shift 2
f65883c8 551 check_as "$@" <<EOF && enable $name || disable $name
124c21d7 552void foo(void){ __asm__ volatile($asm); }
940f335a
MR
553EOF
554}
555
304d586d
LM
556check_yasm(){
557 log check_yasm "$@"
558 echo "$1" > $TMPS
559 log_file $TMPS
560 shift 1
561 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
562}
563
dcd479c0 564check_ld(){
57bd82d4 565 log check_ld "$@"
0607887f 566 check_cc || return
3155a644
MR
567 flags=''
568 libs=''
569 for f; do
570 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
571 done
572 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
573}
574
575check_cflags(){
57bd82d4
MR
576 log check_cflags "$@"
577 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
578int x;
579EOF
580}
581
582check_ldflags(){
57bd82d4
MR
583 log check_ldflags "$@"
584 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 585int main(void){ return 0; }
dcd479c0
MR
586EOF
587}
588
589check_header(){
57bd82d4 590 log check_header "$@"
dcd479c0
MR
591 header=$1
592 shift
b77df637
MR
593 disable_safe $header
594 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
595#include <$header>
596int x;
597EOF
598}
599
600check_func(){
57bd82d4 601 log check_func "$@"
dcd479c0
MR
602 func=$1
603 shift
d8bc5f06
MR
604 disable $func
605 check_ld "$@" <<EOF && enable $func
dcd479c0 606extern int $func();
c23a0ac8 607int main(void){ $func(); }
dcd479c0
MR
608EOF
609}
610
2446d3d6
DB
611check_func_headers(){
612 log check_func_headers "$@"
f8d7b072
MR
613 headers=$1
614 func=$2
615 shift 2
616 disable $func
617 incs=""
618 for hdr in $headers; do
619 incs="$incs
620#include <$hdr>"
621 done
cd0d9a9d 622 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 623$incs
d6773f56 624int main(int argc, char **argv){
f8d7b072
MR
625 (void) $func;
626 return 0;
627}
628EOF
629}
630
a5344cf7
SS
631check_cpp_condition(){
632 log check_cpp_condition "$@"
633 header=$1
634 condition=$2
635 check_cpp <<EOF
636#include <$header>
637#if !($condition)
638#error "unsatisfied condition: $condition"
639#endif
640EOF
641}
642
57bd82d4
MR
643check_lib(){
644 log check_lib "$@"
645 header="$1"
646 func="$2"
647 shift 2
fcfcde17
MR
648 temp_extralibs "$@"
649 check_header $header && check_func $func && add_extralibs "$@"
650 err=$?
651 restore_flags
652 return $err
57bd82d4
MR
653}
654
f8d7b072
MR
655check_lib2(){
656 log check_lib2 "$@"
657 headers="$1"
658 func="$2"
659 shift 2
660 temp_extralibs "$@"
2446d3d6 661 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
662 err=$?
663 restore_flags
664 return $err
665}
666
dcd479c0 667check_exec(){
2270b4b2 668 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
669}
670
7dfef245 671check_exec_crash(){
5e622c40 672 code=$(cat)
7dfef245
MR
673
674 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
675 # are safe but may not be available everywhere. Thus we use
676 # raise(SIGTERM) instead. The check is run in a subshell so we
677 # can redirect the "Terminated" message from the shell. SIGBUS
678 # is not defined by standard C so it is used conditionally.
679
2270b4b2 680 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
681#include <signal.h>
682static void sighandler(int sig){
683 raise(SIGTERM);
684}
e5af4a11 685int main(void){
7dfef245
MR
686 signal(SIGILL, sighandler);
687 signal(SIGFPE, sighandler);
688 signal(SIGSEGV, sighandler);
689#ifdef SIGBUS
690 signal(SIGBUS, sighandler);
691#endif
692 { $code }
693}
694EOF
695}
696
72be9e73
DY
697check_type(){
698 log check_type "$@"
699 headers=$1
700 type=$2
701 shift 2
702 disable $type
703 incs=""
704 for hdr in $headers; do
705 incs="$incs
706#include <$hdr>"
707 done
708 check_cc "$@" <<EOF && enable $type
709$incs
710$type v;
711EOF
712}
713
57bd82d4
MR
714require(){
715 name="$1"
716 header="$2"
717 func="$3"
718 shift 3
719 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
720}
721
f8d7b072
MR
722require2(){
723 name="$1"
724 headers="$2"
725 func="$3"
726 shift 3
727 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
728}
729
eea50282
MR
730check_foo_config(){
731 cfg=$1
732 pkg=$2
733 header=$3
734 func=$4
735 shift 4
736 disable $cfg
737 check_cmd ${pkg}-config --version
738 err=$?
739 if test "$err" = 0; then
5e622c40
DB
740 temp_cflags $(${pkg}-config --cflags)
741 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
742 check_lib "$@" $header $func && enable $cfg
743 fi
744 return $err
745}
746
c505dd31
MR
747apply(){
748 file=$1
749 shift
750 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
751}
752
dcd61286
DB
753# CONFIG_LIST contains configurable options, while HAVE_LIST is for
754# system-dependent things.
755
4a0d6686
AJ
756COMPONENT_LIST="
757 bsfs
758 decoders
759 demuxers
760 encoders
3cde40aa 761 filters
5666fd73 762 hwaccels
c552605c 763 indevs
4a0d6686 764 muxers
c552605c 765 outdevs
4a0d6686
AJ
766 parsers
767 protocols
768"
769
770CONFIG_LIST="
771 $COMPONENT_LIST
e8ed9b7a 772 aandct
f7679c54
VS
773 avfilter
774 avfilter_lavf
c88f5d72
MR
775 avisynth
776 beos_netserver
f402916e 777 bzlib
27a9466b 778 fastdiv
c88f5d72
MR
779 ffmpeg
780 ffplay
781 ffserver
1848f7d9 782 fft
4f034993 783 golomb
c88f5d72 784 gpl
ecfc4f44 785 gprof
d8d0d0b2 786 gray
3abe5fbd 787 hardcoded_tables
c88f5d72 788 ipv6
f5a756ef
DB
789 libamr_nb
790 libamr_wb
f7b8bffe 791 libdc1394
690bfceb 792 libdirac
2eed5a46
DB
793 libfaac
794 libfaad
795 libfaadbin
c88f5d72 796 libgsm
6ebe07fb 797 libmp3lame
c88f5d72 798 libnut
0b175caa
DB
799 libopencore_amrnb
800 libopencore_amrwb
9a77d59a 801 libopenjpeg
f7cd9eed 802 libschroedinger
ae14f311 803 libspeex
150d2772 804 libtheora
c88f5d72 805 libvorbis
1cc60c47
DB
806 libx264
807 libxvid
47a158cb 808 mdct
c88f5d72 809 memalign_hack
a8150374 810 mlib
c88f5d72
MR
811 mpegaudio_hp
812 network
3fe142e2 813 nonfree
4a24ab64 814 postproc
2b4c3615 815 powerpc_perf
68602540 816 rdft
e90f5b5a 817 runtime_cpudetect
2e35e684 818 shared
bd2216e4 819 small
2e35e684 820 static
a9ddb5b1 821 swscale_alpha
17492d5e
DB
822 vaapi
823 vdpau
9cad0e4e 824 version3
56a059ac 825 x11grab
c88f5d72 826 zlib
4a0d6686 827"
c88f5d72 828
8eee7025
DB
829THREADS_LIST='
830 beosthreads
d22e8442 831 os2threads
8eee7025
DB
832 pthreads
833 w32threads
834'
835
3f5b56e5
MR
836ARCH_LIST='
837 alpha
a2fc0f6a 838 arm
3f5b56e5
MR
839 bfin
840 ia64
841 m68k
842 mips
bae3abb0 843 mips64
3f5b56e5 844 parisc
79cb09b2 845 ppc
34d11b87 846 ppc64
3f5b56e5
MR
847 s390
848 sh4
849 sparc
850 sparc64
851 x86
852 x86_32
853 x86_64
854'
855
856ARCH_EXT_LIST='
1ac9331a 857 altivec
3bf96eec 858 amd3dnow
a1ef9f08 859 amd3dnowext
1ac9331a 860 armv5te
edab3048 861 armv6
ab5cb084 862 armv6t2
f55b299a 863 armvfp
3f5b56e5
MR
864 iwmmxt
865 mmi
866 mmx
d7f0920b 867 mmx2
6b18d278 868 neon
799fde37 869 ppc4xx
1bb04d5a 870 sse
9eeed841 871 ssse3
bd9d34a0 872 vis
3f5b56e5
MR
873'
874
875HAVE_LIST="
876 $ARCH_EXT_LIST
877 $THREADS_LIST
35fd8122 878 alsa_asoundlib_h
3f5b56e5 879 altivec_h
c9fdab0d 880 arpa_inet_h
08a85a59 881 bigendian
6bd859d6 882 bswap
ecf97f22 883 closesocket
1ac9331a 884 cmov
e16e49ac 885 conio_h
c88f5d72 886 dcbzl
f8aa696f
DB
887 dev_bktr_ioctl_bt848_h
888 dev_bktr_ioctl_meteor_h
889 dev_ic_bt8xx_h
890 dev_video_meteor_ioctl_meteor_h
891 dev_video_bktr_ioctl_bt848_h
18b67ae5 892 dlfcn_h
c88f5d72 893 dlopen
bc574408 894 dos_paths
245626d0
DB
895 ebp_available
896 ebx_available
c2a29455 897 fast_64bit
7073e9fc 898 fast_cmov
7b829d2a 899 fast_unaligned
9d99cc5a 900 fork
da9e86f8 901 gethrtime
4e68cb8a 902 GetProcessTimes
66be5b45 903 getrusage
2e1913b1 904 inet_aton
61d251db 905 inline_asm
9f5ff83f 906 ldbrx
0b4a1821
AS
907 libdc1394_1
908 libdc1394_2
a33cab3a 909 llrint
85dd97ad 910 loongson
a33cab3a 911 lrint
c88f5d72 912 lrintf
e4673692 913 lzo1x_999_compress
f8aa696f
DB
914 machine_ioctl_bt848_h
915 machine_ioctl_meteor_h
c88f5d72
MR
916 malloc_h
917 memalign
6ffa87d3 918 mkstemp
b4e806b2 919 pld
1f91cdce 920 posix_memalign
a33cab3a
MK
921 round
922 roundf
c88f5d72
MR
923 sdl
924 sdl_video_size
b507ebd1 925 setmode
72be9e73 926 socklen_t
deb29777 927 soundcard_h
f8cda19e 928 poll_h
b58412f1 929 sys_mman_h
b091aa44 930 sys_resource_h
81644c2e 931 sys_select_h
deb29777 932 sys_soundcard_h
1b6e8b73 933 sys_videoio_h
d3a4b4e0 934 ten_operands
e16e49ac 935 termios_h
b265431e 936 threads
7b04b8a0 937 truncf
7c5bfe7a 938 VirtualAlloc
6ff3f3e7 939 winsock2_h
cc078b5d 940 xform_asm
304d586d 941 yasm
0cb78cef 942"
44161118 943
b6bb00b0
MR
944# options emitted with CONFIG_ prefix but not available on command line
945CONFIG_EXTRA="
9cad0e4e
DB
946 gplv3
947 lgplv3
b6bb00b0
MR
948"
949
520cc7f1 950CMDLINE_SELECT="
3f5b56e5 951 $ARCH_EXT_LIST
520cc7f1 952 $CONFIG_LIST
8eee7025 953 $THREADS_LIST
db6107b6 954 cross_compile
520cc7f1
MR
955 debug
956 extra_warnings
8c6afa4d 957 logging
d2bbb2f7 958 optimizations
87a0fb62 959 stripping
7595a5e4 960 yasm
520cc7f1 961"
426be5dc
DB
962
963PATHS_LIST='
d156bede 964 bindir
14a8acf1 965 datadir
26759c44
MR
966 incdir
967 libdir
26759c44
MR
968 mandir
969 prefix
970 shlibdir
426be5dc
DB
971'
972
973CMDLINE_SET="
974 $PATHS_LIST
975 arch
313c46a6 976 as
426be5dc
DB
977 build_suffix
978 cc
979 cpu
980 cross_prefix
ac63af34 981 extra_version
9da6609f
MR
982 host_cc
983 host_cflags
984 host_ldflags
985 host_libs
82bb3329 986 host_os
426be5dc 987 logfile
89641463 988 nm
26759c44 989 source_path
c5200f17
MR
990 sysinclude
991 sysroot
a7ada2ba 992 target_exec
26759c44 993 target_os
a7ada2ba 994 target_path
426be5dc 995"
520cc7f1 996
912f3148
DB
997# code dependency declarations
998
9eeed841 999# architecture extensions
79cb09b2 1000altivec_deps="ppc"
3bf96eec 1001amd3dnow_deps="mmx"
a1ef9f08 1002amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
1003armv5te_deps="arm"
1004armv6_deps="arm"
ab5cb084 1005armv6t2_deps="arm"
a2fc0f6a
MR
1006armvfp_deps="arm"
1007iwmmxt_deps="arm"
e241ba14 1008mmi_deps="mips"
9eeed841 1009mmx_deps="x86"
75aa95a6 1010mmx2_deps="mmx"
a2fc0f6a 1011neon_deps="arm"
799fde37 1012ppc4xx_deps="ppc"
75aa95a6
DB
1013sse_deps="mmx"
1014ssse3_deps="sse"
bd9d34a0 1015vis_deps="sparc"
9eeed841 1016
5666fd73 1017# decoders / encoders / hardware accelerators
47a158cb 1018aac_decoder_select="fft mdct"
47a158cb
MR
1019ac3_decoder_select="fft mdct"
1020atrac3_decoder_select="fft mdct"
4f034993 1021cavs_decoder_select="golomb"
47a158cb 1022cook_decoder_select="fft mdct"
2eef7c62 1023cscd_decoder_suggest="zlib"
47a158cb 1024dca_decoder_select="fft mdct"
e8ed9b7a 1025dnxhd_encoder_select="aandct"
2eef7c62 1026dxa_decoder_select="zlib"
47a158cb 1027eac3_decoder_select="fft mdct"
e8ed9b7a 1028eatgq_decoder_select="aandct"
d52b39c7 1029eatqi_decoder_select="aandct"
4f034993
MR
1030ffv1_decoder_select="golomb"
1031flac_decoder_select="golomb"
1032flac_encoder_select="golomb"
2eef7c62
AJ
1033flashsv_decoder_select="zlib"
1034flashsv_encoder_select="zlib"
e8ed9b7a
DB
1035flv_encoder_select="aandct"
1036h261_encoder_select="aandct"
1037h263_encoder_select="aandct"
ff418735 1038h263_vaapi_hwaccel_deps="va_va_h"
17492d5e 1039h263_vaapi_hwaccel_select="vaapi"
e8ed9b7a 1040h263p_encoder_select="aandct"
4f034993 1041h264_decoder_select="golomb"
ff418735 1042h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1043h264_vaapi_hwaccel_select="vaapi"
711dae77 1044h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
17492d5e 1045h264_vdpau_decoder_select="vdpau"
47a158cb 1046imc_decoder_select="fft mdct"
4f034993
MR
1047jpegls_decoder_select="golomb"
1048jpegls_encoder_select="golomb"
e8ed9b7a 1049ljpeg_encoder_select="aandct"
4f034993 1050loco_decoder_select="golomb"
e8ed9b7a
DB
1051mjpeg_encoder_select="aandct"
1052mpeg1video_encoder_select="aandct"
1053mpeg2video_encoder_select="aandct"
1054mpeg4_encoder_select="aandct"
711dae77 1055mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
17492d5e 1056mpeg_vdpau_decoder_select="vdpau"
711dae77 1057mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
17492d5e 1058mpeg1_vdpau_decoder_select="vdpau"
ff418735 1059mpeg2_vaapi_hwaccel_deps="va_va_h"
17492d5e 1060mpeg2_vaapi_hwaccel_select="vaapi"
ff418735 1061mpeg4_vaapi_hwaccel_deps="va_va_h"
17492d5e 1062mpeg4_vaapi_hwaccel_select="vaapi"
8f6f050a 1063mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1064msmpeg4v1_encoder_select="aandct"
1065msmpeg4v2_encoder_select="aandct"
1066msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1067nellymoser_decoder_select="fft mdct"
1068nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1069png_decoder_select="zlib"
1070png_encoder_select="zlib"
63cae55d 1071qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1072rv10_encoder_select="aandct"
1073rv20_encoder_select="aandct"
d52b39c7
AJ
1074rv30_decoder_select="golomb"
1075rv40_decoder_select="golomb"
4f034993
MR
1076shorten_decoder_select="golomb"
1077sonic_decoder_select="golomb"
1078sonic_encoder_select="golomb"
1079sonic_ls_encoder_select="golomb"
1080svq3_decoder_select="golomb"
bee2eac5 1081svq3_decoder_suggest="zlib"
2eef7c62
AJ
1082tiff_decoder_suggest="zlib"
1083tiff_encoder_suggest="zlib"
1084tscc_decoder_select="zlib"
ff418735 1085vc1_vaapi_hwaccel_deps="va_va_h"
17492d5e 1086vc1_vaapi_hwaccel_select="vaapi"
711dae77 1087vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
17492d5e 1088vc1_vdpau_decoder_select="vdpau"
47a158cb
MR
1089vorbis_decoder_select="fft mdct"
1090vorbis_encoder_select="fft mdct"
1091wmav1_decoder_select="fft mdct"
1092wmav1_encoder_select="fft mdct"
1093wmav2_decoder_select="fft mdct"
1094wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1095wmv1_encoder_select="aandct"
1096wmv2_encoder_select="aandct"
ff418735 1097wmv3_vaapi_hwaccel_deps="va_va_h"
17492d5e 1098wmv3_vaapi_hwaccel_select="vaapi"
711dae77 1099wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
17492d5e 1100wmv3_vdpau_decoder_select="vdpau"
2eef7c62
AJ
1101zlib_decoder_select="zlib"
1102zlib_encoder_select="zlib"
1103zmbv_decoder_select="zlib"
1104zmbv_encoder_select="zlib"
30fd06be 1105
28b80940
DB
1106# parsers
1107h264_parser_select="golomb"
1108
912f3148 1109# external libraries
f5a756ef
DB
1110libamr_nb_decoder_deps="libamr_nb"
1111libamr_nb_encoder_deps="libamr_nb"
1112libamr_wb_decoder_deps="libamr_wb"
1113libamr_wb_encoder_deps="libamr_wb"
1b71f045 1114libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1115libdirac_encoder_deps="libdirac"
c9171a83 1116libfaac_encoder_deps="libfaac"
69ddbd1d 1117libfaad_decoder_deps="libfaad"
4ec45764 1118libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1119libgsm_decoder_deps="libgsm"
1120libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1121libgsm_ms_decoder_deps="libgsm"
1122libgsm_ms_encoder_deps="libgsm"
1cc60c47 1123libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1124libopencore_amrnb_decoder_deps="libopencore_amrnb"
1125libopencore_amrnb_encoder_deps="libopencore_amrnb"
1126libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1127libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1128libschroedinger_decoder_deps="libschroedinger"
1129libschroedinger_encoder_deps="libschroedinger"
ae14f311 1130libspeex_decoder_deps="libspeex"
150d2772 1131libtheora_encoder_deps="libtheora"
b0caf888 1132libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1133libx264_encoder_deps="libx264"
1134libxvid_encoder_deps="libxvid"
30fd06be 1135
912f3148 1136# demuxers / muxers
03a76ba9 1137ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1138alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1139alsa_demuxer_extralibs="-lasound"
1140alsa_muxer_deps="alsa_asoundlib_h"
1141alsa_muxer_extralibs="-lasound"
50383e88 1142audio_beos_demuxer_deps="audio_beos"
4ec45764 1143audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1144audio_beos_muxer_deps="audio_beos"
4ec45764 1145audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1146avisynth_demuxer_deps="avisynth"
73483024 1147bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1148dirac_demuxer_deps="dirac_parser"
fe9bb347 1149dv1394_demuxer_deps="dv1394 dv_demuxer"
80ff8a16
OG
1150jack_demuxer_deps="jack_jack_h"
1151jack_demuxer_extralibs="-ljack"
f7b8bffe 1152libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1153libnut_demuxer_deps="libnut"
1154libnut_muxer_deps="libnut"
2eef7c62
AJ
1155matroska_demuxer_suggest="zlib bzlib"
1156mov_demuxer_suggest="zlib"
4bd8e17c 1157mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1158oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1159oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1160redir_demuxer_deps="network"
8eb793c4 1161rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1162rtsp_demuxer_deps="sdp_demuxer"
1163sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1164v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1165v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1166vfwcap_demuxer_deps="capCreateCaptureWindow"
1167vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1168x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1169x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1170
912f3148 1171# protocols
3fff6382 1172gopher_protocol_deps="network"
c08fb000
AB
1173http_protocol_deps="network"
1174rtp_protocol_deps="udp_protocol"
1175tcp_protocol_deps="network"
1176udp_protocol_deps="network"
1177
f7679c54 1178# filters
81124ba0 1179movie_filter_deps="avfilter_lavf"
f7679c54 1180
912f3148 1181# programs
fa859b4d 1182ffplay_deps="sdl"
6ad42348 1183ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1184ffserver_extralibs='$ldl'
a2830dca 1185
912f3148 1186
de6d9b64 1187# default parameters
8a608357 1188
2ba042a7 1189logfile="config.err"
8a608357
MR
1190
1191# installation paths
c9d19248
MR
1192prefix_default="/usr/local"
1193bindir_default='${prefix}/bin'
14a8acf1 1194datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1195incdir_default='${prefix}/include'
1196libdir_default='${prefix}/lib'
1197mandir_default='${prefix}/share/man'
1198shlibdir_default="$libdir_default"
8a608357
MR
1199
1200# toolchain
11e6d03a 1201ar="ar"
13c7df3d 1202cc_default="gcc"
9da6609f 1203host_cc_default="gcc"
11e6d03a 1204ln_s="ln -sf"
89641463 1205nm_default="nm"
11e6d03a 1206objformat="elf"
be7109c1 1207ranlib="ranlib"
0f3cb305 1208strip="strip"
11e6d03a 1209yasmexe="yasm"
8a608357
MR
1210
1211# machine
5e622c40 1212arch=$(uname -m)
38d0a8aa 1213cpu="generic"
8a608357 1214
8a608357 1215# OS
4f854758 1216target_os=$(tolower $(uname -s))
82bb3329 1217host_os=$target_os
8a608357 1218
8a608357 1219# configurable options
497237c7 1220enable debug
aa033b1e 1221enable fastdiv
497237c7
RP
1222enable ffmpeg
1223enable ffplay
1224enable ffserver
1225enable ipv6
497237c7
RP
1226enable mpegaudio_hp
1227enable network
8400d6b8 1228enable optimizations
497237c7 1229enable protocols
530dc538 1230enable static
87a0fb62 1231enable stripping
a9ddb5b1 1232enable swscale_alpha
8a608357 1233
8a608357 1234# build settings
11a9d3e8 1235add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1236SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1237FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1238LIBPREF="lib"
1239LIBSUF=".a"
c5f14466
RP
1240FULLNAME='$(NAME)$(BUILDSUF)'
1241LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1242SLIBPREF="lib"
1243SLIBSUF=".so"
c5f14466 1244SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1245SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1246SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1247LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1248
9da6609f
MR
1249host_cflags='-O3 -g -Wall'
1250host_libs='-lm'
1251
a7ada2ba
MR
1252target_path='.'
1253
0d7dca36
DB
1254# gcc stupidly only outputs the basename of targets with -MM, but we need the
1255# full relative path for objects in subdirectories for non-recursive Make.
333d5374 1256DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1257
c597172e 1258# find source path
5e622c40 1259source_path="$(dirname "$0")"
497237c7 1260enable source_path_used
c597172e 1261if test -z "$source_path" -o "$source_path" = "." ; then
5e622c40 1262 source_path="$(pwd)"
497237c7 1263 disable source_path_used
c597172e 1264else
5e622c40 1265 source_path="$(cd "$source_path"; pwd)"
c597172e 1266 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1267 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1268 test -e "$source_path/config.h" &&
1269 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1270fi
1271
13cbe2c0
MR
1272for v in "$@"; do
1273 r="${v#*=}"
1274 l="${v%$r}"
1275 test "$r" = "${r#* }" || r="'$r'"
1276 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1277done
c597172e 1278
73ef8980
MR
1279find_things(){
1280 thing=$1
1281 pattern=$2
1282 file=$source_path/$3
932ccf39 1283 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1284}
1285
1286ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1287DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1288HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1289PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1290BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1291MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1292DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1293OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1294INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1295PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1296FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1297
7483e694
DB
1298enable $ARCH_EXT_LIST \
1299 $DECODER_LIST \
1300 $ENCODER_LIST \
5666fd73 1301 $HWACCEL_LIST \
7483e694
DB
1302 $PARSER_LIST \
1303 $BSF_LIST \
1304 $DEMUXER_LIST \
1305 $MUXER_LIST \
f7679c54 1306 $FILTER_LIST \
7483e694
DB
1307 $PROTOCOL_LIST \
1308 $INDEV_LIST \
1309 $OUTDEV_LIST \
c597172e
MR
1310
1311die_unknown(){
1312 echo "Unknown option \"$1\"."
1313 echo "See $0 --help for available options."
1314 exit 1
1315}
1316
794f8e97 1317show_list() {
bf0c4afa
RP
1318 suffix=_$1
1319 shift
1320 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1321 exit 0
1322}
1323
c597172e 1324for opt do
7483e694
DB
1325 optval="${opt#*=}"
1326 case "$opt" in
0f010b2f 1327 --extra-cflags=*) add_cflags $optval
7483e694 1328 ;;
0f010b2f 1329 --extra-ldflags=*) add_ldflags $optval
7483e694 1330 ;;
0f010b2f 1331 --extra-libs=*) add_extralibs $optval
7483e694 1332 ;;
8fb1cb58 1333 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1334 ;;
40bcf4c7
BL
1335 --enable-debug=*) debuglevel="$optval"
1336 ;;
7483e694 1337 --enable-*=*|--disable-*=*)
5e622c40 1338 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
7483e694 1339 case "$thing" in
5666fd73 1340 encoder|decoder|hwaccel|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1341 *) die_unknown "$opt" ;;
1342 esac
1343 ;;
1344 --enable-?*|--disable-?*)
5e622c40 1345 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55
MR
1346 if is_in $option $COMPONENT_LIST; then
1347 eval $action \$$(toupper ${option%s})_LIST
1348 elif is_in $option $CMDLINE_SELECT; then
1349 $action $option
1350 else
1351 die_unknown $opt
1352 fi
7483e694
DB
1353 ;;
1354 --list-*)
1355 NAME="${opt#--list-}"
1356 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1357 NAME=${NAME%s}
1358 eval show_list $NAME \$$(toupper $NAME)_LIST
1359 ;;
1360 --help|-h) show_help
1361 ;;
1362 *)
884a36a7 1363 optname="${opt%%=*}"
26759c44
MR
1364 optname="${optname#--}"
1365 optname=$(echo "$optname" | sed 's/-/_/g')
1366 is_in $optname $CMDLINE_SET || die_unknown $opt
1367 eval $optname='$optval'
7483e694
DB
1368 ;;
1369 esac
c597172e
MR
1370done
1371
bcea99bb
MR
1372disabled logging && logfile=/dev/null
1373
13cbe2c0 1374echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1375set >> $logfile
1376
9da6609f
MR
1377test -n "$cross_prefix" && enable cross_compile
1378
adb2b908 1379ar="${cross_prefix}${ar}"
11e6d03a 1380cc_default="${cross_prefix}${cc_default}"
20e0ed95 1381nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1382ranlib="${cross_prefix}${ranlib}"
1383strip="${cross_prefix}${strip}"
1384
c5200f17
MR
1385sysinclude_default="${sysroot}/usr/include"
1386
75800dce
MR
1387set_default cc nm sysinclude
1388as_default=$cc
9da6609f
MR
1389enabled cross_compile || host_cc_default=$cc
1390set_default host_cc
13c7df3d 1391
82bb3329
MR
1392exesuf() {
1393 case $1 in
1394 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1395 esac
1396}
1397
1398EXESUF=$(exesuf $target_os)
1399HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1400
e4e69e0b 1401# set temporary file name
a49d42c2 1402: ${TMPDIR:=$TEMPDIR}
c51fafa1 1403: ${TMPDIR:=$TMP}
a49d42c2 1404: ${TMPDIR:=/tmp}
e4e69e0b 1405
54460a83
MR
1406if ! check_cmd type mktemp; then
1407 # simple replacement for missing mktemp
1408 # NOT SAFE FOR GENERAL USE
1409 mktemp(){
1410 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1411 }
1412fi
1413
1414tmpfile(){
1415 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1416 (set -C; exec > $tmp) 2>/dev/null ||
1417 die "Unable to create temoporary file in $TMPDIR."
1418 append TMPFILES $tmp
1419 eval $1=$tmp
1420}
1421
1422trap 'rm -f -- $TMPFILES' EXIT
1423trap exit HUP INT TERM
1424
1425tmpfile TMPC .c
1426tmpfile TMPE $EXESUF
1427tmpfile TMPH .h
1428tmpfile TMPO .o
1429tmpfile TMPS .S
1430tmpfile TMPSH .sh
1431
1432unset -f mktemp
e4e69e0b 1433
993f2d0f
MR
1434# make sure we can execute files in $TMPDIR
1435cat > $TMPSH 2>> $logfile <<EOF
1436#! /bin/sh
1437EOF
1438chmod +x $TMPSH >> $logfile 2>&1
1439if ! $TMPSH >> $logfile 2>&1; then
1440 cat <<EOF
1441Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1442variable to another directory and make sure that it is not mounted noexec.
1443EOF
1444 die "Sanity test failed."
1445fi
993f2d0f 1446
3a636b6f 1447if $cc --version 2>/dev/null | grep -qi gcc; then
629687f6
MR
1448 cc_type=gcc
1449elif $cc --version 2>/dev/null | grep -q Intel; then
1450 cc_type=icc
1451elif $cc -v 2>&1 | grep -q xlc; then
1452 cc_type=xlc
df442a8d
MR
1453elif $cc -V 2>/dev/null | grep -q Compaq; then
1454 cc_type=ccc
1455 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
03754fcd 1456 debuglevel=3
df442a8d 1457 add_ldflags -Wl,-z,now # calls to libots crash without this
03e37762
MR
1458elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1459 test -d "$sysroot" || die "No valid sysroot specified."
1460 cc_type=armcc
1461 armcc_conf="$PWD/armcc.conf"
1462 $cc --arm_linux_configure \
1463 --arm_linux_config_file="$armcc_conf" \
1464 --configure_sysroot="$sysroot" \
1465 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1466 die "Error creating armcc configuration file."
1467 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1468 as_default="${cross_prefix}gcc"
629687f6
MR
1469fi
1470
1471test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1472
75800dce
MR
1473set_default as
1474
154d432c
MR
1475if test -n "$sysroot"; then
1476 case "$cc_type" in
1477 gcc)
1478 add_cflags --sysroot="$sysroot"
1479 add_ldflags --sysroot="$sysroot"
1480 ;;
1481 esac
1482fi
1483
993f2d0f
MR
1484# compiler sanity check
1485check_exec <<EOF
1486int main(void){ return 0; }
1487EOF
1488if test "$?" != 0; then
1489 echo "$cc is unable to create an executable file."
1490 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1491 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1492 echo "Only do this if you know what cross compiling means."
1493 fi
1494 die "C compiler test failed."
1495fi
1496
e9b9a2f8 1497check_cflags -std=c99
9d821fc2
DB
1498check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1499#include <stdlib.h>
1500EOF
1501check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1502#include <stdlib.h>
1503EOF
e9b9a2f8 1504
b24dbcbd 1505case "$arch" in
b24dbcbd
RP
1506 alpha)
1507 arch="alpha"
1508 enable fast_64bit
c0a02a3e 1509 check_cflags -mieee
b24dbcbd 1510 ;;
cfdb6148
MR
1511 arm|armv[4567]*l)
1512 arch="arm"
b24dbcbd 1513 ;;
f4870943
MR
1514 avr32)
1515 ;;
cfdb6148
MR
1516 bfin)
1517 arch="bfin"
1518 ;;
1519 ia64)
1520 arch="ia64"
b24dbcbd 1521 enable fast_64bit
cfdb6148
MR
1522 ;;
1523 m68k)
1524 arch="m68k"
b24dbcbd 1525 ;;
de3a1240 1526 mips|mipsel|IP*)
b24dbcbd
RP
1527 arch="mips"
1528 ;;
de3a1240
DB
1529 mips64)
1530 arch="mips"
bae3abb0 1531 subarch="mips64"
de3a1240
DB
1532 enable fast_64bit
1533 ;;
61597a98 1534 parisc|hppa)
b24dbcbd
RP
1535 arch="parisc"
1536 ;;
61597a98 1537 parisc64|hppa64)
b24dbcbd
RP
1538 arch="parisc"
1539 enable fast_64bit
1540 ;;
cfdb6148
MR
1541 "Power Macintosh"|ppc|powerpc)
1542 arch="ppc"
1543 enable fast_unaligned
1544 ;;
1545 ppc64)
1546 arch="ppc"
34d11b87 1547 subarch="ppc64"
cfdb6148
MR
1548 enable fast_64bit
1549 enable fast_unaligned
1550 ;;
b24dbcbd
RP
1551 s390|s390x)
1552 arch="s390"
1553 ;;
cfdb6148
MR
1554 sh4|sh)
1555 arch="sh4"
b24dbcbd 1556 ;;
cfdb6148
MR
1557 sparc)
1558 arch="sparc"
1559 ;;
1560 sun4u|sparc64)
1561 arch="sparc"
1562 subarch="sparc64"
b24dbcbd
RP
1563 enable fast_64bit
1564 ;;
cfdb6148
MR
1565 i386|i486|i586|i686|i86pc|BePC)
1566 arch="x86"
1567 subarch="x86_32"
1568 enable fast_unaligned
1569 ;;
1570 x86_64|amd64)
1571 arch="x86"
1572 subarch="x86_32"
1573 enable cmov
1574 enable fast_cmov
1575 enable fast_unaligned
1576 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1577 int test[sizeof(char*) - 7];
1578EOF
b24dbcbd
RP
1579 ;;
1580 *)
1581 arch="unknown"
1582 ;;
1583esac
1584
62045d48 1585enable $arch $subarch
b24dbcbd 1586
7483e694 1587# OS specific
4f854758 1588case $target_os in
7483e694 1589 beos|haiku|zeta)
c9d19248 1590 prefix_default="$HOME/config"
7483e694 1591 # helps building libavcodec
0f010b2f 1592 add_cflags -DPIC -fomit-frame-pointer
7483e694 1593 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 1594 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
1595 case "$gcc_version" in
1596 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1597 disable mmx
1598 ;;
1599 *20010315*) echo "BeBits gcc"
0f010b2f 1600 add_cflags -fno-expensive-optimizations
7483e694
DB
1601 ;;
1602 esac
7483e694
DB
1603 SHFLAGS=-nostart
1604 # enable BeOS things
1605 enable audio_beos
1606 # no need for libm, but the inet stuff
1607 # Check for BONE
1608 # XXX: actually should check for NOT net_server
78fe7631 1609 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1610 network_extralibs="-lbind -lsocket"
1611 else
1612 enable beos_netserver
1613 network_extralibs="-lnet"
1614 fi ;;
1615 sunos)
1616 FFSERVERLDFLAGS=""
9987769a 1617 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1618 network_extralibs="-lsocket -lnsl"
e193c74e 1619 add_cflags -D__EXTENSIONS__
7483e694
DB
1620 ;;
1621 netbsd)
1622 oss_demuxer_extralibs="-lossaudio"
1623 oss_muxer_extralibs="-lossaudio"
1624 ;;
1625 openbsd)
1626 disable need_memalign
1627 LIBOBJFLAGS='$(PIC)'
7483e694 1628 SHFLAGS='-shared'
7483e694
DB
1629 oss_demuxer_extralibs="-lossaudio"
1630 oss_muxer_extralibs="-lossaudio"
1631 ;;
90b4f091 1632 freebsd|dragonfly)
7483e694
DB
1633 disable need_memalign
1634 ;;
1635 bsd/os)
1636 osextralibs="-lpoll -lgnugetopt"
1637 strip="strip -d"
1638 ;;
1639 darwin)
1640 disable need_memalign
0138c54e 1641 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
1642 strip="strip -x"
1643 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1644 SLIBSUF=".dylib"
1645 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1646 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1647 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1648 objformat="macho"
1b0f6fb8 1649 enabled x86_64 && objformat="macho64"
7483e694
DB
1650 ;;
1651 mingw32*)
4f854758 1652 target_os=mingw32
dcc01c06 1653 LIBTARGET=i386
1fc9fb8a 1654 if enabled x86_64; then
dcc01c06
RP
1655 disable need_memalign
1656 LIBTARGET=x64
1657 fi
fbd971a4 1658 shlibdir_default="$bindir_default"
7483e694
DB
1659 disable ffserver
1660 SLIBPREF=""
1661 SLIBSUF=".dll"
7483e694
DB
1662 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1663 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 1664 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1665 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1666 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1667 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 1668 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1669 objformat="win32"
bc574408 1670 enable dos_paths
1894e741 1671 check_cflags -fno-common
b1549d61 1672 if ! enabled x86_64; then
f7ad5aa2
RP
1673 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1674 die "ERROR: MinGW runtime version must be >= 3.15."
1675 enabled_any avisynth vfwcap_demuxer &&
1676 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1677 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1678 fi
7483e694
DB
1679 ;;
1680 cygwin*)
4f854758 1681 target_os=cygwin
fbd971a4 1682 shlibdir_default="$bindir_default"
7483e694
DB
1683 SLIBPREF="cyg"
1684 SLIBSUF=".dll"
1685 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1686 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1687 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1688 objformat="win32"
bc574408 1689 enable dos_paths
1894e741 1690 check_cflags -fno-common
7483e694 1691 ;;
4f365f37 1692 *-dos|freedos|opendos)
fdf11906 1693 disable ffplay ffserver
4f365f37
MK
1694 disable $INDEV_LIST $OUTDEV_LIST
1695 network_extralibs="-lsocket"
ff1c015d 1696 objformat="coff"
bc574408 1697 enable dos_paths
4f365f37 1698 ;;
7483e694 1699 linux)
7483e694
DB
1700 enable dv1394
1701 ;;
1702 irix*)
4f854758 1703 target_os=irix
7483e694
DB
1704 ranlib="echo ignoring ranlib"
1705 ;;
d22e8442 1706 os/2*)
d22e8442
DY
1707 strip="lxlite"
1708 ln_s="cp -f"
d22e8442 1709 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1710 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1711 FFSERVERLDFLAGS=""
287d3b13 1712 LIBSUF="_s.a"
d22e8442
DY
1713 SLIBPREF=""
1714 SLIBSUF=".dll"
1715 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1716 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1717 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1718 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1719 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1720 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1721 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1722 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1723 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1724 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1725 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1726 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 1727 enable dos_paths
d22e8442 1728 ;;
83993c1c
AM
1729 gnu/kfreebsd)
1730 ;;
34e82167 1731 gnu)
34e82167 1732 ;;
d22e8442 1733
7483e694 1734 *)
4f924f9a 1735 die "Unknown OS '$target_os'."
7483e694
DB
1736 ;;
1737esac
1738
c9d19248
MR
1739set_default $PATHS_LIST
1740
c597172e 1741add_extralibs $osextralibs
de6d9b64 1742
28d8e661
DB
1743# Combine FFLDFLAGS and the LDFLAGS environment variable.
1744LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1745
320d060a 1746# we need to build at least one lib type
93b3c083 1747if ! enabled_any static shared; then
320d060a
DB
1748 cat <<EOF
1749At least one library type must be built.
1750Specify --enable-static to build the static libraries or --enable-shared to
1751build the shared libraries as well. To only build the shared libraries specify
1752--disable-static in addition to --enable-shared.
1753EOF
1754 exit 1;
1755fi
1756
abc4e572 1757disabled static && LIBNAME=""
2a320695 1758
a2234ceb
RP
1759if enabled_any libfaad libfaadbin ; then
1760 if check_header faad.h; then
295b8c70 1761 check_cc <<EOF
a2234ceb
RP
1762#include <faad.h>
1763#ifndef FAAD2_VERSION
1764ok faad1
1765#endif
db817cf3 1766int main(void) { return 0; }
a2234ceb
RP
1767EOF
1768 test $? = 0 && enable libfaad2
1769 else
ff3dac65 1770 die "FAAD test failed."
a2234ceb
RP
1771 fi
1772fi
1773
1774
2184c6f7 1775die_license_disabled() {
4c27207c 1776 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
1777}
1778
1779die_license_disabled gpl libfaad2
1780die_license_disabled gpl libx264
1781die_license_disabled gpl libxvid
1782die_license_disabled gpl postproc
1783die_license_disabled gpl x11grab
1784
1785die_license_disabled nonfree libamr_nb
1786die_license_disabled nonfree libamr_wb
2f7ae63b 1787die_license_disabled nonfree libfaac
b2e3c528 1788
0b175caa
DB
1789die_license_disabled version3 libopencore_amrnb
1790die_license_disabled version3 libopencore_amrwb
1791
9cad0e4e 1792enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 1793
9eeed841 1794check_deps $ARCH_EXT_LIST
0f3cb305 1795
5d323602
MR
1796test -z "$need_memalign" && need_memalign="$mmx"
1797
cf9d24ad 1798#Darwin CC versions
4f854758 1799if test $target_os = darwin; then
629687f6 1800 if enabled xlc; then
0f010b2f 1801 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1802 else
0f010b2f
DB
1803 add_cflags -pipe
1804 check_cflags -force_cpusubtype_ALL
1805 check_cflags -Wno-sign-compare
f946a9a4 1806 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1807 fi
2a1a6b64
MN
1808fi
1809
40617a6d 1810disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1811
a4adb608 1812# Add processor-specific flags
38d0a8aa 1813if test $cpu != "generic"; then
bc8ec47b
MR
1814 warn_altivec(){
1815 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1816 }
38d0a8aa 1817 case $cpu in
bb270c08 1818 601|ppc601|PowerPC601)
0f010b2f 1819 add_cflags -mcpu=601
bc8ec47b 1820 warn_altivec enabled PPC601
bb270c08
DB
1821 ;;
1822 603*|ppc603*|PowerPC603*)
0f010b2f 1823 add_cflags -mcpu=603
bc8ec47b 1824 warn_altivec enabled PPC603
bb270c08
DB
1825 ;;
1826 604*|ppc604*|PowerPC604*)
0f010b2f 1827 add_cflags -mcpu=604
bc8ec47b 1828 warn_altivec enabled PPC604
bb270c08
DB
1829 ;;
1830 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1831 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1832 warn_altivec enabled PPC75x
bb270c08
DB
1833 ;;
1834 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1835 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1836 warn_altivec disabled PPC745x
bb270c08
DB
1837 ;;
1838 74*|ppc74*|PowerPC74*)
0f010b2f 1839 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1840 warn_altivec disabled PPC74xx
bb270c08
DB
1841 ;;
1842 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1843 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1844 warn_altivec disabled PPC970
bb270c08 1845 ;;
e07e357d 1846 Cell|CELL|cell)
0f010b2f 1847 add_cflags -mcpu=cell
e07e357d 1848 warn_altivec disabled Cell
34d11b87 1849 enable ldbrx
e07e357d 1850 ;;
e7768fc5
GP
1851 # targets that do NOT support conditional mov (cmov)
1852 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1853 add_cflags -march=$cpu
497237c7 1854 disable cmov
e7768fc5
GP
1855 ;;
1856 # targets that do support conditional mov (cmov)
416519dd 1857 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1858 add_cflags -march=$cpu
497237c7
RP
1859 enable cmov
1860 enable fast_cmov
94e4c3a3
GP
1861 ;;
1862 # targets that do support conditional mov but on which it's slow
800a5a19 1863 pentium4|pentium4m|prescott|nocona)
0f010b2f 1864 add_cflags -march=$cpu
497237c7
RP
1865 enable cmov
1866 disable fast_cmov
bb270c08 1867 ;;
d7b34d08 1868 sparc64)
0f010b2f 1869 add_cflags -mcpu=v9
d7b34d08 1870 ;;
f2e49553 1871 arm11*|cortex*)
0f010b2f 1872 add_cflags -mcpu=$cpu
f2e49553
MR
1873 enable fast_unaligned
1874 ;;
0223bd6f 1875 armv*)
0f010b2f 1876 add_cflags -march=$cpu
0223bd6f 1877 ;;
f2e49553 1878 arm*)
0f010b2f 1879 add_cflags -mcpu=$cpu
6b19786b 1880 ;;
1cd11856 1881 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
df442a8d 1882 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1cd11856 1883 ;;
e4ddc8ed
MR
1884 bf*)
1885 add_cflags -mcpu=$cpu
1886 ;;
5b34250d
MR
1887 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1888 add_cflags -march=$cpu
1889 ;;
bb270c08 1890 *)
7483e694 1891 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1892 ;;
a4adb608
MN
1893 esac
1894fi
1895
b4d96ba2
MR
1896check_cc <<EOF || die "Symbol mangling check failed."
1897int ff_extern;
1898EOF
2f05d9c1 1899sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1900extern_prefix=${sym%%ff_extern*}
1901
f65883c8
MR
1902check_cc <<EOF && enable inline_asm
1903void foo(void) { __asm__ volatile ("" ::); }
1904EOF
61d251db 1905
9eeed841 1906if enabled x86; then
44965991
PI
1907 # check whether EBP is available on x86
1908 # As 'i' is stored on the stack, this program will crash
1909 # if the base pointer is used to access it because the
1910 # base pointer is cleared in the inline assembly code.
7dfef245 1911 check_exec_crash <<EOF && enable ebp_available
44965991 1912 volatile int i=0;
be449fca 1913 __asm__ volatile (
44965991
PI
1914 "xorl %%ebp, %%ebp"
1915 ::: "%ebp");
1916 return i;
44965991
PI
1917EOF
1918
1919 # check wether EBX is available on x86
940f335a 1920 check_asm ebx_available '"":::"%ebx"'
8e380710 1921
d3a4b4e0
DB
1922 # check whether more than 10 operands are supported
1923 check_cc <<EOF && enable ten_operands
1924int main(void) {
1925 int x=0;
1926 __asm__ volatile(
1927 ""
1928 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1929 );
1930 return 0;
1931}
1932EOF
1933
d7f0920b 1934 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1935 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 1936 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
1937
1938 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1939
d52481b9 1940 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1941 enabled x86_64 && append YASMFLAGS "-m amd64"
1942 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1943 case "$objformat" in
1944 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1945 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1946 *) append YASMFLAGS "-DPREFIX" ;;
1947 esac
7595a5e4 1948 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1949fi
1950
87ea51e0
LB
1951# check for assembler specific support
1952
85dd97ad
MR
1953enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1954
5b6c2cbd 1955enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1956enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
cc078b5d 1957enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
87ea51e0 1958
57bd82d4
MR
1959# check for SIMD availability
1960
115329f1 1961# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1962if enabled altivec; then
3ed1a2ee
DB
1963 check_cflags -maltivec -mabi=altivec &&
1964 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1965 check_cflags -faltivec
b6e52719 1966
0182fee8 1967 # check if our compiler supports Motorola AltiVec C API
497237c7 1968 check_cc <<EOF || disable altivec
dcd479c0 1969$inc_altivec_h
a9a07762
MN
1970int main(void) {
1971 vector signed int v1, v2, v3;
1972 v1 = vec_add(v2,v3);
1973 return 0;
1974}
1975EOF
b006b26c
DB
1976
1977 # check if our compiler supports braces for vector declarations
80a61f08 1978 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1979$inc_altivec_h
80a61f08 1980int main (void) { (vector int) {1}; return 0; }
b006b26c 1981EOF
a9a07762 1982fi
ab6c65f6 1983
b4e806b2 1984# We have to check if pld is a nop and disable it.
a2fc0f6a 1985enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1986enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1987enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1988enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1989enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1990enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1991enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1992enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1993enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1994
0f010b2f 1995enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1996
57bd82d4
MR
1997# ---
1998# big/little-endian test
9eebe687
MR
1999check_cc <<EOF || die "endian test failed"
2000unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 2001EOF
d04d9e16 2002od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 2003
a3999908 2004# ---
3d204385
NK
2005# check availability of some header files
2006
a98bb16d
RP
2007if check_func dlopen; then
2008 ldl=
2009elif check_func dlopen -ldl; then
2010 ldl=-ldl
8bf5d58f
MN
2011fi
2012
75ecf149
DB
2013# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2014check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2015
7483e694
DB
2016check_func fork
2017check_func gethrtime
2018check_func getrusage
094c09bb 2019check_func inet_aton $network_extralibs
7483e694
DB
2020check_func memalign
2021check_func mkstemp
1f91cdce 2022check_func posix_memalign
b507ebd1 2023check_func_headers io.h setmode
e4673692 2024check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 2025check_func_headers windows.h GetProcessTimes
7c5bfe7a 2026check_func_headers windows.h VirtualAlloc
6ffa87d3 2027
e16e49ac 2028check_header conio.h
a98bb16d
RP
2029check_header dlfcn.h
2030check_header malloc.h
bf6ce82d 2031check_header poll.h
b58412f1 2032check_header sys/mman.h
b091aa44 2033check_header sys/resource.h
bf6ce82d 2034check_header sys/select.h
a98bb16d 2035check_header termios.h
272081b0
CEH
2036check_header vdpau/vdpau.h
2037check_header vdpau/vdpau_x11.h
68178ca9 2038check_header X11/extensions/XvMClib.h
a98bb16d 2039
1f91cdce
RP
2040if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2041 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2042fi
e16e49ac 2043
a4fa192c 2044disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2045disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2046
2047# check for some common methods of building with pthread support
2048# do this before the optional library checks as some of them require pthreads
2049if enabled pthreads; then
9e7fd101
MR
2050 if check_func pthread_create; then
2051 :
2052 elif check_func pthread_create -pthread; then
2053 add_cflags -pthread
afc9aee2 2054 add_extralibs -pthread
9e7fd101
MR
2055 elif check_func pthread_create -pthreads; then
2056 add_cflags -pthreads
afc9aee2 2057 add_extralibs -pthreads
8d94f606
GT
2058 elif check_func pthread_create -lpthreadGC2; then
2059 add_extralibs -lpthreadGC2
9e7fd101
MR
2060 elif ! check_lib pthread.h pthread_create -lpthread; then
2061 die "ERROR: can't find pthreads library"
2062 fi
57bd82d4
MR
2063fi
2064
8eee7025 2065for thread in $THREADS_LIST; do
e5f94c2b 2066 if enabled $thread; then
3ae3b721
RP
2067 test -n "$thread_type" &&
2068 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2069 thread_type="$thread"
e5f94c2b
RP
2070 fi
2071done
2072
fdf88598 2073check_lib math.h sin -lm
ff418735 2074check_lib va/va.h vaInitialize -lva
fdf88598 2075
a33cab3a 2076# test for C99 functions in math.h
7b04b8a0 2077for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 2078 check_exec <<EOF && enable $func || disable $func
f32adb22 2079#include <math.h>
a33cab3a 2080int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 2081EOF
a33cab3a 2082done
f32adb22 2083
57bd82d4 2084# these are off by default, so fail if requested and not available
79fda097 2085enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
29382bc1 2086enabled libamr_nb && require libamrnb amrnb/interf_dec.h Decoder_Interface_init -lamrnb -lm
7483e694 2087enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 2088enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
2089 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2090 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
2091enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2092enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2093enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2094enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2095enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2096enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2097enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2098enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2099enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2100 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2101enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
2102enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2103enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 2104enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
2105 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2106 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 2107enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2108enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2109
0b4a1821
AS
2110# libdc1394 check
2111if enabled libdc1394; then
2112 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2113 enable libdc1394_2; } ||
2114 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2115 enable libdc1394_1; } ||
2116 die "ERROR: No version of libdc1394 found "
2117fi
2118
2119
c13e1abd
FH
2120_restrict=
2121for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 2122 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
2123void foo(char * $restrict_keyword p);
2124EOF
c13e1abd
FH
2125done
2126
a86b921c 2127##########################################
29799f8b 2128# SDL check
a86b921c 2129
497237c7
RP
2130disable sdl_too_old
2131disable sdl
6a1a892f 2132SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2133if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2134 sdl_cflags=$("${SDL_CONFIG}" --cflags)
225e21ef 2135 temp_cflags $sdl_cflags
5e622c40 2136 temp_extralibs $("${SDL_CONFIG}" --libs)
1ca5d97f 2137 if check_lib2 SDL.h SDL_Init; then
5e622c40 2138 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
29f3b38a 2139 if test "$_sdlversion" -lt 121 ; then
497237c7 2140 enable sdl_too_old
dcd479c0 2141 else
497237c7 2142 enable sdl
225e21ef 2143 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2144#include <SDL.h>
d6773f56 2145int main(int argc, char **argv){
29f3b38a
MR
2146 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2147 int w = vi->current_w;
2148 return 0;
2149}
2150EOF
dcd479c0
MR
2151 fi
2152 fi
29f3b38a 2153 restore_flags
c3f6b472 2154fi
57bd82d4 2155
2270b4b2 2156texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2157
7a91333f 2158##########################################
73b46a95
RP
2159# Network check
2160
2161if enabled network; then
96000432 2162 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2163 # Prefer arpa/inet.h over winsock2
2164 if check_header arpa/inet.h ; then
2165 check_func closesocket
2166 elif check_header winsock2.h ; then
ea10ddde 2167 network_extralibs="-lws2_32"
72be9e73 2168 check_type ws2tcpip.h socklen_t
2446d3d6 2169 check_func_headers winsock2.h closesocket
73b46a95
RP
2170 fi
2171fi
2172
2173##########################################
29799f8b 2174# IPv6 check
7a91333f 2175
497237c7 2176enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2177#include <sys/types.h>
2178#include <sys/socket.h>
2179#include <netinet/in.h>
2180#include <netdb.h>
db817cf3 2181int main(void) {
7483e694
DB
2182 struct sockaddr_storage saddr;
2183 struct ipv6_mreq mreq6;
2184 getaddrinfo(0,0,0,0);
2185 getnameinfo(0,0,0,0,0,0,0);
2186 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2187}
2188EOF
2189
06e31011
RP
2190check_header linux/videodev.h
2191check_header linux/videodev2.h
1b6e8b73 2192check_header sys/videoio.h
47f38850 2193
2446d3d6 2194check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2195
f8aa696f 2196# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2197{ check_header dev/bktr/ioctl_meteor.h &&
2198 check_header dev/bktr/ioctl_bt848.h; } ||
2199{ check_header machine/ioctl_meteor.h &&
2200 check_header machine/ioctl_bt848.h; } ||
2201{ check_header dev/video/meteor/ioctl_meteor.h &&
2202 check_header dev/video/bktr/ioctl_bt848.h; } ||
2203check_header dev/ic/bt8xx.h
f8aa696f 2204
c7682de0
RP
2205check_header sys/soundcard.h
2206check_header soundcard.h
deb29777 2207
35fd8122
NG
2208check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2209
80ff8a16
OG
2210check_lib2 jack/jack.h jack_client_open -ljack
2211
7483e694 2212# deal with the X11 frame grabber
56a059ac 2213enabled x11grab &&
f58f4ce1
GP
2214check_header X11/Xlib.h &&
2215check_header X11/extensions/XShm.h &&
2216check_func XOpenDisplay -lX11 &&
06eab4ba 2217check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2218
40bcf4c7 2219enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2220
2221# add some useful compiler flags if supported
2222check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2223check_cflags -Wall
2224check_cflags -Wno-switch
c07bd6a9
MN
2225check_cflags -Wdisabled-optimization
2226check_cflags -Wpointer-arith
2227check_cflags -Wredundant-decls
cc1fb623 2228check_cflags -Wno-pointer-sign
f4929996 2229check_cflags -Wcast-qual
9aceb3cf 2230check_cflags -Wwrite-strings
652a5bf6 2231check_cflags -Wtype-limits
764551c6 2232check_cflags -Wundef
5af4e0cc 2233enabled extra_warnings && check_cflags -Winline
cf9d24ad 2234
57bd82d4 2235# add some linker flags
5c0e9479 2236check_ldflags -Wl,--warn-common
8351d2ba
DB
2237check_ldflags -Wl,--as-needed
2238check_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 2239check_ldflags -Wl,-Bsymbolic
94a3401e 2240
bd2216e4
MR
2241if enabled small; then
2242 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2243 optimizations="small"
2244elif enabled optimizations; then
629687f6 2245 if enabled xlc; then
0f010b2f
DB
2246 add_cflags -O5
2247 add_ldflags -O5
df442a8d
MR
2248 elif enabled ccc; then
2249 add_cflags -fast
cf9d24ad 2250 else
0f010b2f 2251 add_cflags -O3
cf9d24ad 2252 fi
cddf3f45 2253fi
11fdbc44 2254check_cflags -fno-math-errno
b2eb2ff0 2255check_cflags -fno-signed-zeros
cddf3f45 2256
504a64b9 2257# add some flags for Intel C Compiler
629687f6 2258if enabled icc; then
b1598b58
MR
2259 # Just warnings, no remarks
2260 check_cflags -w1
2261 # -wd: Disable following warnings
2262 # 144, 167, 556: -Wno-pointer-sign
2263 # 10006: ignoring unknown option -fno-signed-zeros
2264 # 10156: ignoring option '-W'; no argument required
2265 check_cflags -wd144,167,556,10006,10156
2266 # 11030: Warning unknown option --as-needed
2267 # 10156: ignoring option '-export'; no argument required
2268 check_ldflags -wd10156,11030
2269 # Allow to compile with optimizations
2270 check_ldflags -march=$cpu
be2cf98a
CEH
2271 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2272 enable ebp_available
df442a8d
MR
2273elif enabled ccc; then
2274 # disable some annoying warnings
2275 add_cflags -msg_disable cvtu32to64
2276 add_cflags -msg_disable embedcomment
2277 add_cflags -msg_disable needconstext
2278 add_cflags -msg_disable nomainieee
2279 add_cflags -msg_disable ptrmismatch1
2280 add_cflags -msg_disable unreachcode
504a64b9
CEH
2281fi
2282
80581e98 2283# PIC flags for shared library objects where they are needed
5af4e0cc 2284if enabled shared; then
569cb218
MR
2285 # LIBOBJFLAGS may have already been set in the OS configuration
2286 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2287 case "${subarch-$arch}" in
b6bd7268 2288 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2289 esac
2290 fi
80581e98
MN
2291fi
2292
90be59ef 2293if enabled gprof; then
0f010b2f
DB
2294 add_cflags -p
2295 add_ldflags -p
1db54e20
DB
2296fi
2297
7f3c02fc 2298# Find out if the .align argument is a power of two or not.
9377b6ce 2299check_asm asmalign_pot '".align 3"'
4454dc1b 2300
7483e694
DB
2301enabled_any $DECODER_LIST && enable decoders
2302enabled_any $ENCODER_LIST && enable encoders
5666fd73 2303enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2304enabled_any $BSF_LIST && enable bsfs
2305enabled_any $DEMUXER_LIST && enable demuxers
2306enabled_any $MUXER_LIST && enable muxers
f7679c54 2307enabled_any $FILTER_LIST && enable filters
7483e694
DB
2308enabled_any $INDEV_LIST && enable demuxers
2309enabled_any $OUTDEV_LIST && enable muxers
2310enabled_any $PROTOCOL_LIST && enable protocols
2311
2312enabled_any $THREADS_LIST && enable threads
2313
2314check_deps $CONFIG_LIST \
b6bb00b0 2315 $CONFIG_EXTRA \
7483e694
DB
2316 $HAVE_LIST \
2317 $DECODER_LIST \
2318 $ENCODER_LIST \
5666fd73 2319 $HWACCEL_LIST \
7483e694
DB
2320 $PARSER_LIST \
2321 $BSF_LIST \
2322 $DEMUXER_LIST \
2323 $MUXER_LIST \
f7679c54 2324 $FILTER_LIST \
7483e694
DB
2325 $INDEV_LIST \
2326 $OUTDEV_LIST \
2327 $PROTOCOL_LIST \
f70f03f6 2328
3e89171a 2329echo "install prefix $prefix"
f36958f8
DB
2330echo "source path $source_path"
2331echo "C compiler $cc"
bfd5afd8 2332echo ".align is power-of-two $asmalign_pot"
f36958f8 2333echo "ARCH $arch ($cpu)"
ce8871c2
MR
2334if test "$build_suffix" != ""; then
2335 echo "build suffix $build_suffix"
eb94aca9 2336fi
ac63af34
DB
2337if test "$extra_version" != ""; then
2338 echo "version string suffix $extra_version"
2339fi
0db2ce77 2340echo "big-endian ${bigendian-no}"
e90f5b5a 2341echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2342if enabled x86; then
af44e8e4 2343 echo "yasm ${yasm-no}"
0db2ce77 2344 echo "MMX enabled ${mmx-no}"
30e98e62 2345 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2346 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2347 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2348 echo "SSE enabled ${sse-no}"
30e98e62 2349 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2350 echo "CMOV enabled ${cmov-no}"
2351 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2352 echo "EBX available ${ebx_available-no}"
2353 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2354 echo "10 operands supported ${ten_operands-no}"
e41e8342 2355fi
5b6c2cbd 2356if enabled arm; then
0db2ce77
MR
2357 echo "ARMv5TE enabled ${armv5te-no}"
2358 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2359 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2360 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2361 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2362 echo "NEON enabled ${neon-no}"
eba9ae3c 2363fi
5b6c2cbd 2364if enabled mips; then
0db2ce77 2365 echo "MMI enabled ${mmi-no}"
e41e8342 2366fi
5b6c2cbd 2367if enabled ppc; then
0db2ce77 2368 echo "AltiVec enabled ${altivec-no}"
30e98e62 2369 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2370 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2371 echo "performance report ${powerpc_perf-no}"
2372fi
2373if enabled sparc; then
2374 echo "VIS enabled ${vis-no}"
e41e8342 2375fi
0db2ce77
MR
2376echo "gprof enabled ${gprof-no}"
2377echo "debug symbols ${debug-no}"
87a0fb62 2378echo "strip symbols ${stripping-no}"
8400d6b8 2379echo "optimizations ${optimizations-no}"
0db2ce77
MR
2380echo "static ${static-no}"
2381echo "shared ${shared-no}"
4a24ab64 2382echo "postprocessing support ${postproc-no}"
f7679c54 2383echo "new filter support ${avfilter-no}"
81124ba0 2384echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2385echo "network support ${network-no}"
90be59ef 2386if enabled network; then
0db2ce77 2387 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2388fi
0db2ce77
MR
2389echo "threading support ${thread_type-no}"
2390echo "SDL support ${sdl-no}"
90be59ef 2391if enabled sdl_too_old; then
bfd5afd8
DB
2392 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2393fi
0db2ce77
MR
2394echo "Sun medialib support ${mlib-no}"
2395echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2396echo "libamr-nb support ${libamr_nb-no}"
2397echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2398echo "libdc1394 support ${libdc1394-no}"
690bfceb 2399echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2400echo "libfaac enabled ${libfaac-no}"
2401echo "libfaad enabled ${libfaad-no}"
7e0871a7 2402echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2403echo "libgsm enabled ${libgsm-no}"
2404echo "libmp3lame enabled ${libmp3lame-no}"
2405echo "libnut enabled ${libnut-no}"
0b175caa
DB
2406echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2407echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2408echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2409echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2410echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2411echo "libtheora enabled ${libtheora-no}"
2412echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2413echo "libx264 enabled ${libx264-no}"
2414echo "libxvid enabled ${libxvid-no}"
0db2ce77 2415echo "zlib enabled ${zlib-no}"
f402916e 2416echo "bzlib enabled ${bzlib-no}"
2c62e737 2417echo
de6d9b64 2418
5666fd73 2419for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2420 echo "Enabled ${type}s:"
f65c9da1 2421 eval list=\$$(toupper $type)_LIST
8138b9db 2422 for part in $list; do
f65c9da1
MR
2423 enabled $part && echo ${part%_*}
2424 done | sort | pr -3 -t
2425 echo
8138b9db
RP
2426done
2427
ba7a7039 2428license="LGPL version 2.1 or later"
ba321adb 2429if enabled nonfree; then
ba7a7039 2430 license="nonfree and unredistributable"
9cad0e4e
DB
2431elif enabled gplv3; then
2432 license="GPL version 3 or later"
2433elif enabled lgplv3; then
2434 license="LGPL version 3 or later"
ba321adb 2435elif enabled gpl; then
ba7a7039 2436 license="GPL version 2 or later"
ba321adb
JK
2437fi
2438
2439echo "License: $license"
ca5323af 2440
cf1392e9
DB
2441echo "Creating config.mak and config.h..."
2442
29799f8b
DB
2443echo "# Automatically generated by configure - do not modify!" > config.mak
2444echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2445echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2446echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2447echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2448echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2449
d921f03f 2450echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2451echo "prefix=$prefix" >> config.mak
22a324da
DB
2452echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2453echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2454echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2455echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2456echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2457echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
0a7ee3ef
DB
2458echo "SRC_PATH=\"$source_path\"" >> config.mak
2459echo "SRC_PATH_BARE=$source_path" >> config.mak
2460echo "BUILD_ROOT=\"$PWD\"" >> config.mak
980fc7b8 2461echo "CC=$cc" >> config.mak
313c46a6 2462echo "AS=$as" >> config.mak
304d586d 2463echo "YASM=$yasmexe" >> config.mak
980fc7b8 2464echo "AR=$ar" >> config.mak
be7109c1 2465echo "RANLIB=$ranlib" >> config.mak
20369773 2466echo "LN_S=$ln_s" >> config.mak
87a0fb62 2467enabled stripping &&
3ae3b721 2468 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2469 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2470
a9b3f630 2471echo "OPTFLAGS=$CFLAGS" >> config.mak
0f3cb305 2472echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2473echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2474echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2475echo "YASMFLAGS=$YASMFLAGS" >> config.mak
80581e98 2476echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2477echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2478echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2479echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2480echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2481echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2482echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2483echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2484echo "SLIBSUF=$SLIBSUF" >> config.mak
2485echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2486echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2487echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2488echo "HOSTCC=$host_cc" >> config.mak
2489echo "HOSTCFLAGS=$host_cflags" >> config.mak
82bb3329 2490echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
9da6609f
MR
2491echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2492echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2493echo "TARGET_EXEC=$target_exec" >> config.mak
2494echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2495
90be59ef 2496if enabled bigendian; then
7483e694
DB
2497 echo "WORDS_BIGENDIAN=yes" >> config.mak
2498 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2499fi
44161118 2500
90be59ef 2501if enabled sdl; then
5e622c40
DB
2502 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2503 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
a86b921c 2504fi
90be59ef 2505if enabled texi2html; then
7483e694 2506 echo "BUILD_DOC=yes" >> config.mak
146ea952 2507fi
5a872801 2508
719c8e00
MR
2509get_version(){
2510 name=$1
2511 file=$source_path/$2
147e7692
MR
2512 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2513 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2514 lcname=$(tolower $name)
2515 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2516 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2517}
2518
147e7692
MR
2519get_version LIBSWSCALE libswscale/swscale.h
2520get_version LIBPOSTPROC libpostproc/postprocess.h
2521get_version LIBAVCODEC libavcodec/avcodec.h
2522get_version LIBAVDEVICE libavdevice/avdevice.h
2523get_version LIBAVFORMAT libavformat/avformat.h
2524get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2525get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2526
5af4e0cc 2527if enabled shared; then
7483e694
DB
2528 echo "BUILD_SHARED=yes" >> config.mak
2529 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2530 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2531 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2532 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2533 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2534 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2535 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2536 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2537 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2538fi
d7e27559 2539echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2540echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2541
7b5e8a27
DB
2542echo "ARCH=$arch" >> config.mak
2543
3d907e22
MR
2544print_config ARCH_ $TMPH config.mak $ARCH_LIST
2545print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2546print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2547 $CONFIG_EXTRA \
7483e694
DB
2548 $DECODER_LIST \
2549 $ENCODER_LIST \
5666fd73 2550 $HWACCEL_LIST \
7483e694
DB
2551 $PARSER_LIST \
2552 $BSF_LIST \
2553 $DEMUXER_LIST \
2554 $MUXER_LIST \
f7679c54 2555 $FILTER_LIST \
7483e694
DB
2556 $PROTOCOL_LIST \
2557 $INDEV_LIST \
2558 $OUTDEV_LIST \
8ac17293 2559
c13e1abd
FH
2560echo "#define restrict $_restrict" >> $TMPH
2561
bd2216e4 2562if enabled small; then
7483e694 2563 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2564fi
2565
0f3cb305 2566
8156056e 2567# Apparently it's not possible to portably echo a backslash.
3ae3b721 2568enabled asmalign_pot &&
7483e694 2569 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2570 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2571
b4d96ba2 2572echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2573
9c05103f
DB
2574echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2575
b7860763 2576# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2577cmp -s $TMPH config.h &&
2578 echo "config.h is unchanged" ||
2579 mv -f $TMPH config.h
3d204385 2580
165af439 2581# build tree in object directory if source path is different from current one
90be59ef 2582if enabled source_path_used; then
165af439 2583 DIRS="\
7483e694
DB
2584 doc \
2585 libavcodec \
2586 libavcodec/alpha \
a2fc0f6a 2587 libavcodec/arm \
7483e694 2588 libavcodec/bfin \
7483e694
DB
2589 libavcodec/mlib \
2590 libavcodec/ppc \
2591 libavcodec/sh4 \
2592 libavcodec/sparc \
a6493a8f 2593 libavcodec/x86 \
52a9cf34 2594 libavdevice \
f7679c54 2595 libavfilter \
7483e694
DB
2596 libavformat \
2597 libavutil \
2598 libpostproc \
2599 libswscale \
b2cfd7e3
RP
2600 libswscale/bfin \
2601 libswscale/mlib \
2602 libswscale/ppc \
2603 libswscale/sparc \
2604 libswscale/x86 \
7483e694
DB
2605 tests \
2606 tools \
7483e694 2607 "
165af439 2608 FILES="\
7483e694
DB
2609 Makefile \
2610 common.mak \
71c61f62 2611 subdir.mak \
7483e694
DB
2612 doc/texi2pod.pl \
2613 libavcodec/Makefile \
52a9cf34 2614 libavdevice/Makefile \
f7679c54 2615 libavfilter/Makefile \
7483e694
DB
2616 libavformat/Makefile \
2617 libavutil/Makefile \
2618 libpostproc/Makefile \
2619 libswscale/Makefile \
2620 "
165af439 2621 for dir in $DIRS ; do
7483e694 2622 mkdir -p $dir
165af439
MR
2623 done
2624 for f in $FILES ; do
20369773 2625 $ln_s "$source_path/$f" $f
165af439
MR
2626 done
2627fi
def4272a 2628
def4272a 2629
d0674868 2630# build pkg-config files
def4272a 2631
d0674868
DB
2632pkgconfig_generate(){
2633name=$1
b0dfd108 2634shortname=${name#lib}${build_suffix}
d0674868
DB
2635comment=$2
2636version=$3
2637libs=$4
2638requires=$5
25cd5cb3 2639cat <<EOF > $name/$name.pc
3e89171a 2640prefix=$prefix
a94e666c 2641exec_prefix=\${prefix}
f2b7382c 2642libdir=$libdir
7622778e 2643includedir=$incdir
def4272a 2644
d0674868
DB
2645Name: $name
2646Description: $comment
2647Version: $version
5dcfe9f8
AH
2648Requires: $(disabled shared && echo $requires)
2649Requires.private: $(enabled shared && echo $requires)
def4272a 2650Conflicts:
12701f6e
AH
2651Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2652Libs.private: $(enabled shared && echo $libs)
76a448ed 2653Cflags: -I\${includedir}
def4272a 2654EOF
25cd5cb3 2655cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2656prefix=
2657exec_prefix=
46d1ff83 2658libdir=\${pcfiledir}
1d44d365 2659includedir=${source_path}
def4272a 2660
d0674868
DB
2661Name: $name
2662Description: $comment
2663Version: $version
2664Requires: $requires
def4272a 2665Conflicts:
12701f6e 2666Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2667Cflags: -I\${includedir}
2668EOF
d0674868 2669}
def4272a 2670
e426941d 2671pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2672pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2673pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2674pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2675enabled avfilter &&
46983309 2676 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2677enabled postproc &&
e426941d 2678 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2679pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"