Use DEPCC to find dependencies, default to same as CC
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
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57show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
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63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
3e89171a 65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
14a8acf1 67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
74c53c2d 68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
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72 echo
73 echo "Configuration options:"
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74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
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76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
9cad0e4e 78 echo " --enable-version3 upgrade (L)GPL to version 3 [no]"
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79 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
80 echo " and binaries will be unredistributable [no]"
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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"
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134 echo " --disable-indev=NAME disable input device NAME"
135 echo " --disable-outdev=NAME disable output device NAME"
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136 echo " --disable-indevs disable input devices"
137 echo " --disable-outdevs disable output devices"
138 echo " --disable-devices disable all devices"
139 echo " --enable-filter=NAME enable filter NAME"
140 echo " --disable-filter=NAME disable filter NAME"
141 echo " --disable-filters disable all filters"
142 echo " --list-decoders show all available decoders"
143 echo " --list-encoders show all available encoders"
5666fd73 144 echo " --list-hwaccels show all available hardware accelerators"
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145 echo " --list-muxers show all available muxers"
146 echo " --list-demuxers show all available demuxers"
147 echo " --list-parsers show all available parsers"
148 echo " --list-protocols show all available protocols"
149 echo " --list-bsfs show all available bitstream filters"
150 echo " --list-indevs show all available input devices"
151 echo " --list-outdevs show all available output devices"
152 echo " --list-filters show all available filters"
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153 echo
154 echo "External library support:"
0a23c0bb 155 echo " --enable-avisynth enable reading of AVISynth script files [no]"
27cb5cbc 156 echo " --enable-bzlib enable bzlib [autodetect]"
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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]"
684b28e0 193 echo " --ld=LD use linker LD"
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194 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
195 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
196 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
197 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
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198 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
199 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
200 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 201 echo " --extra-version=STRING version string suffix []"
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202 echo " --build-suffix=SUFFIX library name suffix []"
203 echo " --arch=ARCH select architecture [$arch]"
204 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 205 echo " instruction selection, may crash on older CPUs)"
2b4c3615 206 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 207 echo " (requires enabling PMC)"
4f50c3d5 208 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 209 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 210 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
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211 echo " --disable-mmx disable MMX optimizations"
212 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 213 echo " --disable-sse disable SSE optimizations"
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214 echo " --disable-ssse3 disable SSSE3 optimizations"
215 echo " --disable-armv5te disable armv5te optimizations"
216 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 217 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 218 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 219 echo " --disable-iwmmxt disable iwmmxt optimizations"
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220 echo " --disable-mmi disable MMI optimizations"
221 echo " --disable-neon disable neon optimizations"
222 echo " --disable-vis disable VIS optimizations"
7595a5e4 223 echo " --disable-yasm disable use of yasm assembler"
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224 echo
225 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 226 echo " --disable-debug disable debugging symbols"
b7d49373 227 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 228 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 229 echo " --disable-optimizations disable compiler optimizations"
0a622b98 230 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 231 echo " --disable-stripping disable stripping of executables and shared libraries"
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232 echo ""
233 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 234 exit 0
74c53c2d 235}
cf9d24ad 236
57bd82d4 237log(){
2270b4b2 238 echo "$@" >> $logfile
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239}
240
720c69da 241log_file(){
c8e9f801 242 log BEGIN $1
2270b4b2 243 pr -n -t $1 >> $logfile
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244 log END $1
245}
246
2ba042a7 247echolog(){
c8e9f801 248 log "$@"
57bd82d4 249 echo "$@"
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250}
251
252die(){
253 echolog "$@"
254 cat <<EOF
d326cf7f 255
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256If you think configure made a mistake, make sure you are using the latest
257version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 258ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 259EOF
e155a21a 260 if disabled logging; then
2ba042a7 261 cat <<EOF
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262Rerun configure with logging enabled (do not use --disable-logging), and
263include the log this produces with your report.
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264EOF
265 else
266cat <<EOF
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267Include the log file "$logfile" produced by configure as this will help
268solving the problem.
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269EOF
270 fi
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271 exit 1
272}
273
6c6007d6 274# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 275toupper(){
6c6007d6 276 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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277}
278
4a5444db 279tolower(){
6c6007d6 280 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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281}
282
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283c_escape(){
284 echo "$*" | sed 's/["\\]/\\\0/g'
285}
286
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287sh_quote(){
288 v=$(echo "$1" | sed "s/'/'\\\\''/g")
289 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
290 echo "$v"
291}
292
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293set_all(){
294 value=$1
295 shift
296 for var in $*; do
297 eval $var=$value
298 done
299}
300
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301set_weak(){
302 value=$1
303 shift
304 for var; do
305 eval : \${$var:=$value}
306 done
307}
308
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309pushvar(){
310 for var in $*; do
311 eval level=\${${var}_level:=0}
312 eval ${var}_${level}="\$$var"
313 eval ${var}_level=$(($level+1))
314 done
315}
316
317popvar(){
318 for var in $*; do
319 eval level=\${${var}_level:-0}
320 test $level = 0 && continue
321 eval level=$(($level-1))
322 eval $var="\${${var}_${level}}"
323 eval ${var}_level=$level
324 eval unset ${var}_${level}
325 done
326}
327
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328enable(){
329 set_all yes $*
330}
331
332disable(){
333 set_all no $*
334}
335
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336enable_weak(){
337 set_weak yes $*
338}
339
340disable_weak(){
341 set_weak no $*
342}
343
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344enable_safe(){
345 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
346}
347
348disable_safe(){
349 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
350}
351
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352do_enable_deep(){
353 for var; do
354 enabled $var && continue
355 eval sel="\$${var}_select"
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356 eval sgs="\$${var}_suggest"
357 pushvar var sgs
f9d328da 358 enable_deep $sel
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359 popvar sgs
360 enable_deep_weak $sgs
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361 popvar var
362 done
363}
364
365enable_deep(){
366 do_enable_deep $*
367 enable $*
368}
369
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370enable_deep_weak(){
371 do_enable_deep $*
372 enable_weak $*
373}
374
57bd82d4 375enabled(){
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376 test "${1#!}" = "$1" && op== || op=!=
377 eval test "x\$${1#!}" $op "xyes"
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MR
378}
379
37970ebf 380disabled(){
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381 test "${1#!}" = "$1" && op== || op=!=
382 eval test "x\$${1#!}" $op "xno"
37970ebf
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383}
384
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385enabled_all(){
386 for opt; do
387 enabled $opt || return 1
388 done
389}
390
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391disabled_all(){
392 for opt; do
393 disabled $opt || return 1
394 done
395}
396
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397enabled_any(){
398 for opt; do
399 enabled $opt && return 0
400 done
401}
402
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403disabled_any(){
404 for opt; do
405 disabled $opt && return 0
406 done
f7b230a7 407 return 1
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408}
409
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410set_default(){
411 for opt; do
88268e94 412 eval : \${$opt:=\$${opt}_default}
c9d19248
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413 done
414}
415
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416is_in(){
417 value=$1
418 shift
419 for var in $*; do
420 [ $var = $value ] && return 0
421 done
422 return 1
423}
424
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425check_deps(){
426 for cfg; do
3250003c 427 cfg="${cfg#!}"
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428 enabled ${cfg}_checking && die "Circular dependency for $cfg."
429 disabled ${cfg}_checking && continue
430 enable ${cfg}_checking
431
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432 eval dep_all="\$${cfg}_deps"
433 eval dep_any="\$${cfg}_deps_any"
7ef3425f 434 eval dep_sel="\$${cfg}_select"
c510c7b5 435 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 436
c510c7b5
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437 pushvar cfg dep_all dep_any dep_sel dep_sgs
438 check_deps $dep_all $dep_any $dep_sel $dep_sgs
439 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 440
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MR
441 enabled_all $dep_all || disable $cfg
442 enabled_any $dep_any || disable $cfg
7ef3425f 443 disabled_any $dep_sel && disable $cfg
799c9e9b 444
4ec45764
RP
445 if enabled $cfg; then
446 eval dep_extralibs="\$${cfg}_extralibs"
447 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 448 enable_deep $dep_sel
c510c7b5 449 enable_deep_weak $dep_sgs
4ec45764
RP
450 fi
451
799c9e9b 452 disable ${cfg}_checking
30fd06be
MR
453 done
454}
455
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MR
456print_config(){
457 pfx=$1
458 header=$2
459 makefile=$3
460 shift 3
461 for cfg; do
5e622c40 462 ucname="$(toupper $cfg)"
44161118 463 if enabled $cfg; then
3d907e22 464 echo "#define ${pfx}${ucname} 1" >> $header
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MR
465 echo "${pfx}${ucname}=yes" >> $makefile
466 else
b250f9c6 467 echo "#define ${pfx}${ucname} 0" >> $header
44161118
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468 fi
469 done
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470}
471
472flags_saved(){
2270b4b2 473 (: ${SAVE_CFLAGS?}) 2> /dev/null
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474}
475
dcd479c0 476save_flags(){
57bd82d4 477 flags_saved && return
dcd479c0
MR
478 SAVE_CFLAGS="$CFLAGS"
479 SAVE_LDFLAGS="$LDFLAGS"
480 SAVE_extralibs="$extralibs"
481}
482
483restore_flags(){
f5d28d10 484 flags_saved || return
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485 CFLAGS="$SAVE_CFLAGS"
486 LDFLAGS="$SAVE_LDFLAGS"
487 extralibs="$SAVE_extralibs"
488 unset SAVE_CFLAGS
489 unset SAVE_LDFLAGS
490 unset SAVE_extralibs
491}
492
493temp_cflags(){
494 save_flags
495 CFLAGS="$CFLAGS $*"
496}
497
498temp_ldflags(){
499 save_flags
500 LDFLAGS="$LDFLAGS $*"
501}
502
503temp_extralibs(){
504 save_flags
505 extralibs="$extralibs $*"
506}
507
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508append(){
509 var=$1
510 shift
511 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
512 eval "$var=\"\$$var $*\""
513}
514
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515add_cppflags(){
516 append CPPFLAGS "$@"
517}
518
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519add_cflags(){
520 append CFLAGS "$@"
521}
522
523add_ldflags(){
524 append LDFLAGS "$@"
525}
526
527add_extralibs(){
528 append extralibs "$@"
529}
530
b0cfb663 531check_cmd(){
b3cb5d51 532 log "$@"
2270b4b2 533 "$@" >> $logfile 2>&1
b0cfb663
MR
534}
535
dcd479c0 536check_cc(){
57bd82d4 537 log check_cc "$@"
2270b4b2 538 cat > $TMPC
720c69da 539 log_file $TMPC
50a334e4 540 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
541}
542
543check_cpp(){
544 log check_cpp "$@"
2270b4b2 545 cat > $TMPC
720c69da 546 log_file $TMPC
50a334e4 547 check_cmd $cc $CPPFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
548}
549
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550check_as(){
551 log check_as "$@"
552 cat > $TMPC
553 log_file $TMPC
50a334e4 554 check_cmd $as $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
555}
556
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MR
557check_asm(){
558 log check_asm "$@"
559 name="$1"
560 asm="$2"
561 shift 2
f65883c8 562 check_as "$@" <<EOF && enable $name || disable $name
124c21d7 563void foo(void){ __asm__ volatile($asm); }
940f335a
MR
564EOF
565}
566
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567check_yasm(){
568 log check_yasm "$@"
569 echo "$1" > $TMPS
570 log_file $TMPS
571 shift 1
572 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
573}
574
dcd479c0 575check_ld(){
57bd82d4 576 log check_ld "$@"
0607887f 577 check_cc || return
3155a644
MR
578 flags=''
579 libs=''
580 for f; do
581 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
582 done
684b28e0 583 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
584}
585
50a334e4
MR
586check_cppflags(){
587 log check_cppflags "$@"
588 check_cc "$@" <<EOF && add_cppflags "$@"
589int x;
590EOF
591}
592
dcd479c0 593check_cflags(){
57bd82d4
MR
594 log check_cflags "$@"
595 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
596int x;
597EOF
598}
599
600check_ldflags(){
57bd82d4
MR
601 log check_ldflags "$@"
602 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 603int main(void){ return 0; }
dcd479c0
MR
604EOF
605}
606
607check_header(){
57bd82d4 608 log check_header "$@"
dcd479c0
MR
609 header=$1
610 shift
b77df637
MR
611 disable_safe $header
612 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
613#include <$header>
614int x;
615EOF
616}
617
618check_func(){
57bd82d4 619 log check_func "$@"
dcd479c0
MR
620 func=$1
621 shift
d8bc5f06
MR
622 disable $func
623 check_ld "$@" <<EOF && enable $func
dcd479c0 624extern int $func();
c23a0ac8 625int main(void){ $func(); }
dcd479c0
MR
626EOF
627}
628
2446d3d6
DB
629check_func_headers(){
630 log check_func_headers "$@"
f8d7b072
MR
631 headers=$1
632 func=$2
633 shift 2
634 disable $func
635 incs=""
636 for hdr in $headers; do
637 incs="$incs
638#include <$hdr>"
639 done
cd0d9a9d 640 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 641$incs
d6773f56 642int main(int argc, char **argv){
f8d7b072
MR
643 (void) $func;
644 return 0;
645}
646EOF
647}
648
a5344cf7
SS
649check_cpp_condition(){
650 log check_cpp_condition "$@"
651 header=$1
652 condition=$2
653 check_cpp <<EOF
654#include <$header>
655#if !($condition)
656#error "unsatisfied condition: $condition"
657#endif
658EOF
659}
660
57bd82d4
MR
661check_lib(){
662 log check_lib "$@"
663 header="$1"
664 func="$2"
665 shift 2
fcfcde17
MR
666 temp_extralibs "$@"
667 check_header $header && check_func $func && add_extralibs "$@"
668 err=$?
669 restore_flags
670 return $err
57bd82d4
MR
671}
672
f8d7b072
MR
673check_lib2(){
674 log check_lib2 "$@"
675 headers="$1"
676 func="$2"
677 shift 2
678 temp_extralibs "$@"
2446d3d6 679 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
680 err=$?
681 restore_flags
682 return $err
683}
684
dcd479c0 685check_exec(){
2270b4b2 686 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
687}
688
7dfef245 689check_exec_crash(){
5e622c40 690 code=$(cat)
7dfef245
MR
691
692 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
693 # are safe but may not be available everywhere. Thus we use
694 # raise(SIGTERM) instead. The check is run in a subshell so we
695 # can redirect the "Terminated" message from the shell. SIGBUS
696 # is not defined by standard C so it is used conditionally.
697
2270b4b2 698 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
699#include <signal.h>
700static void sighandler(int sig){
701 raise(SIGTERM);
702}
e5af4a11 703int main(void){
7dfef245
MR
704 signal(SIGILL, sighandler);
705 signal(SIGFPE, sighandler);
706 signal(SIGSEGV, sighandler);
707#ifdef SIGBUS
708 signal(SIGBUS, sighandler);
709#endif
710 { $code }
711}
712EOF
713}
714
72be9e73
DY
715check_type(){
716 log check_type "$@"
717 headers=$1
718 type=$2
719 shift 2
720 disable $type
721 incs=""
722 for hdr in $headers; do
723 incs="$incs
724#include <$hdr>"
725 done
726 check_cc "$@" <<EOF && enable $type
727$incs
728$type v;
729EOF
730}
731
57bd82d4
MR
732require(){
733 name="$1"
734 header="$2"
735 func="$3"
736 shift 3
737 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
738}
739
f8d7b072
MR
740require2(){
741 name="$1"
742 headers="$2"
743 func="$3"
744 shift 3
745 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
746}
747
eea50282
MR
748check_foo_config(){
749 cfg=$1
750 pkg=$2
751 header=$3
752 func=$4
753 shift 4
754 disable $cfg
755 check_cmd ${pkg}-config --version
756 err=$?
757 if test "$err" = 0; then
5e622c40
DB
758 temp_cflags $(${pkg}-config --cflags)
759 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
760 check_lib "$@" $header $func && enable $cfg
761 fi
762 return $err
763}
764
c505dd31
MR
765apply(){
766 file=$1
767 shift
768 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
769}
770
dcd61286
DB
771# CONFIG_LIST contains configurable options, while HAVE_LIST is for
772# system-dependent things.
773
4a0d6686
AJ
774COMPONENT_LIST="
775 bsfs
776 decoders
777 demuxers
778 encoders
3cde40aa 779 filters
5666fd73 780 hwaccels
c552605c 781 indevs
4a0d6686 782 muxers
c552605c 783 outdevs
4a0d6686
AJ
784 parsers
785 protocols
786"
787
788CONFIG_LIST="
789 $COMPONENT_LIST
e8ed9b7a 790 aandct
f7679c54
VS
791 avfilter
792 avfilter_lavf
c88f5d72
MR
793 avisynth
794 beos_netserver
f402916e 795 bzlib
27a9466b 796 fastdiv
c88f5d72
MR
797 ffmpeg
798 ffplay
799 ffserver
1848f7d9 800 fft
4f034993 801 golomb
c88f5d72 802 gpl
ecfc4f44 803 gprof
d8d0d0b2 804 gray
3abe5fbd 805 hardcoded_tables
c88f5d72 806 ipv6
f7b8bffe 807 libdc1394
690bfceb 808 libdirac
2eed5a46
DB
809 libfaac
810 libfaad
811 libfaadbin
c88f5d72 812 libgsm
6ebe07fb 813 libmp3lame
c88f5d72 814 libnut
0b175caa
DB
815 libopencore_amrnb
816 libopencore_amrwb
9a77d59a 817 libopenjpeg
f7cd9eed 818 libschroedinger
ae14f311 819 libspeex
150d2772 820 libtheora
c88f5d72 821 libvorbis
1cc60c47
DB
822 libx264
823 libxvid
47a158cb 824 mdct
c88f5d72 825 memalign_hack
a8150374 826 mlib
c88f5d72
MR
827 mpegaudio_hp
828 network
3fe142e2 829 nonfree
4a24ab64 830 postproc
2b4c3615 831 powerpc_perf
68602540 832 rdft
e90f5b5a 833 runtime_cpudetect
2e35e684 834 shared
bd2216e4 835 small
2e35e684 836 static
a9ddb5b1 837 swscale_alpha
17492d5e
DB
838 vaapi
839 vdpau
9cad0e4e 840 version3
56a059ac 841 x11grab
c88f5d72 842 zlib
4a0d6686 843"
c88f5d72 844
8eee7025
DB
845THREADS_LIST='
846 beosthreads
d22e8442 847 os2threads
8eee7025
DB
848 pthreads
849 w32threads
850'
851
3f5b56e5
MR
852ARCH_LIST='
853 alpha
a2fc0f6a 854 arm
3f5b56e5
MR
855 bfin
856 ia64
857 m68k
858 mips
bae3abb0 859 mips64
3f5b56e5 860 parisc
79cb09b2 861 ppc
34d11b87 862 ppc64
3f5b56e5
MR
863 s390
864 sh4
865 sparc
866 sparc64
867 x86
868 x86_32
869 x86_64
870'
871
872ARCH_EXT_LIST='
1ac9331a 873 altivec
3bf96eec 874 amd3dnow
a1ef9f08 875 amd3dnowext
1ac9331a 876 armv5te
edab3048 877 armv6
ab5cb084 878 armv6t2
f55b299a 879 armvfp
3f5b56e5
MR
880 iwmmxt
881 mmi
882 mmx
d7f0920b 883 mmx2
6b18d278 884 neon
799fde37 885 ppc4xx
1bb04d5a 886 sse
9eeed841 887 ssse3
bd9d34a0 888 vis
3f5b56e5
MR
889'
890
891HAVE_LIST="
892 $ARCH_EXT_LIST
893 $THREADS_LIST
35fd8122 894 alsa_asoundlib_h
3f5b56e5 895 altivec_h
c9fdab0d 896 arpa_inet_h
08a85a59 897 bigendian
6bd859d6 898 bswap
ecf97f22 899 closesocket
1ac9331a 900 cmov
e16e49ac 901 conio_h
c88f5d72 902 dcbzl
f8aa696f
DB
903 dev_bktr_ioctl_bt848_h
904 dev_bktr_ioctl_meteor_h
905 dev_ic_bt8xx_h
906 dev_video_meteor_ioctl_meteor_h
907 dev_video_bktr_ioctl_bt848_h
18b67ae5 908 dlfcn_h
c88f5d72 909 dlopen
bc574408 910 dos_paths
245626d0
DB
911 ebp_available
912 ebx_available
c2a29455 913 fast_64bit
7073e9fc 914 fast_cmov
7b829d2a 915 fast_unaligned
9d99cc5a 916 fork
da9e86f8 917 gethrtime
4e68cb8a 918 GetProcessTimes
66be5b45 919 getrusage
2e1913b1 920 inet_aton
61d251db 921 inline_asm
9f5ff83f 922 ldbrx
0b4a1821
AS
923 libdc1394_1
924 libdc1394_2
a33cab3a 925 llrint
291fd18a 926 log2
85dd97ad 927 loongson
a33cab3a 928 lrint
c88f5d72 929 lrintf
e4673692 930 lzo1x_999_compress
f8aa696f
DB
931 machine_ioctl_bt848_h
932 machine_ioctl_meteor_h
c88f5d72
MR
933 malloc_h
934 memalign
6ffa87d3 935 mkstemp
b4e806b2 936 pld
1f91cdce 937 posix_memalign
a33cab3a
MK
938 round
939 roundf
c88f5d72
MR
940 sdl
941 sdl_video_size
b507ebd1 942 setmode
72be9e73 943 socklen_t
deb29777 944 soundcard_h
f8cda19e 945 poll_h
b58412f1 946 sys_mman_h
b091aa44 947 sys_resource_h
81644c2e 948 sys_select_h
deb29777 949 sys_soundcard_h
1b6e8b73 950 sys_videoio_h
d3a4b4e0 951 ten_operands
e16e49ac 952 termios_h
b265431e 953 threads
7b04b8a0 954 truncf
7c5bfe7a 955 VirtualAlloc
6ff3f3e7 956 winsock2_h
cc078b5d 957 xform_asm
304d586d 958 yasm
0cb78cef 959"
44161118 960
b6bb00b0
MR
961# options emitted with CONFIG_ prefix but not available on command line
962CONFIG_EXTRA="
9cad0e4e
DB
963 gplv3
964 lgplv3
b6bb00b0
MR
965"
966
520cc7f1 967CMDLINE_SELECT="
3f5b56e5 968 $ARCH_EXT_LIST
520cc7f1 969 $CONFIG_LIST
8eee7025 970 $THREADS_LIST
db6107b6 971 cross_compile
520cc7f1
MR
972 debug
973 extra_warnings
8c6afa4d 974 logging
d2bbb2f7 975 optimizations
87a0fb62 976 stripping
7595a5e4 977 yasm
520cc7f1 978"
426be5dc
DB
979
980PATHS_LIST='
d156bede 981 bindir
14a8acf1 982 datadir
26759c44
MR
983 incdir
984 libdir
26759c44
MR
985 mandir
986 prefix
987 shlibdir
426be5dc
DB
988'
989
990CMDLINE_SET="
991 $PATHS_LIST
992 arch
313c46a6 993 as
426be5dc
DB
994 build_suffix
995 cc
996 cpu
997 cross_prefix
50567afa 998 dep_cc
ac63af34 999 extra_version
9da6609f
MR
1000 host_cc
1001 host_cflags
1002 host_ldflags
1003 host_libs
82bb3329 1004 host_os
684b28e0 1005 ld
426be5dc 1006 logfile
89641463 1007 nm
26759c44 1008 source_path
c5200f17
MR
1009 sysinclude
1010 sysroot
a7ada2ba 1011 target_exec
26759c44 1012 target_os
a7ada2ba 1013 target_path
426be5dc 1014"
520cc7f1 1015
912f3148
DB
1016# code dependency declarations
1017
9eeed841 1018# architecture extensions
79cb09b2 1019altivec_deps="ppc"
3bf96eec 1020amd3dnow_deps="mmx"
a1ef9f08 1021amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
1022armv5te_deps="arm"
1023armv6_deps="arm"
ab5cb084 1024armv6t2_deps="arm"
a2fc0f6a
MR
1025armvfp_deps="arm"
1026iwmmxt_deps="arm"
e241ba14 1027mmi_deps="mips"
9eeed841 1028mmx_deps="x86"
75aa95a6 1029mmx2_deps="mmx"
a2fc0f6a 1030neon_deps="arm"
799fde37 1031ppc4xx_deps="ppc"
75aa95a6
DB
1032sse_deps="mmx"
1033ssse3_deps="sse"
bd9d34a0 1034vis_deps="sparc"
9eeed841 1035
5666fd73 1036# decoders / encoders / hardware accelerators
47a158cb 1037aac_decoder_select="fft mdct"
47a158cb
MR
1038ac3_decoder_select="fft mdct"
1039atrac3_decoder_select="fft mdct"
4f034993 1040cavs_decoder_select="golomb"
47a158cb 1041cook_decoder_select="fft mdct"
2eef7c62 1042cscd_decoder_suggest="zlib"
47a158cb 1043dca_decoder_select="fft mdct"
e8ed9b7a 1044dnxhd_encoder_select="aandct"
2eef7c62 1045dxa_decoder_select="zlib"
47a158cb 1046eac3_decoder_select="fft mdct"
e8ed9b7a 1047eatgq_decoder_select="aandct"
d52b39c7 1048eatqi_decoder_select="aandct"
4f034993
MR
1049ffv1_decoder_select="golomb"
1050flac_decoder_select="golomb"
1051flac_encoder_select="golomb"
2eef7c62
AJ
1052flashsv_decoder_select="zlib"
1053flashsv_encoder_select="zlib"
e8ed9b7a
DB
1054flv_encoder_select="aandct"
1055h261_encoder_select="aandct"
1056h263_encoder_select="aandct"
ff418735 1057h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1058h263_vaapi_hwaccel_select="vaapi h263_decoder"
e8ed9b7a 1059h263p_encoder_select="aandct"
4f034993 1060h264_decoder_select="golomb"
ff418735 1061h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1062h264_vaapi_hwaccel_select="vaapi"
711dae77 1063h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1064h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1065imc_decoder_select="fft mdct"
4f034993
MR
1066jpegls_decoder_select="golomb"
1067jpegls_encoder_select="golomb"
e8ed9b7a 1068ljpeg_encoder_select="aandct"
4f034993 1069loco_decoder_select="golomb"
e8ed9b7a
DB
1070mjpeg_encoder_select="aandct"
1071mpeg1video_encoder_select="aandct"
1072mpeg2video_encoder_select="aandct"
1073mpeg4_encoder_select="aandct"
711dae77 1074mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1075mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1076mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1077mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1078mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1079mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1080mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1081mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
8f6f050a 1082mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1083msmpeg4v1_encoder_select="aandct"
1084msmpeg4v2_encoder_select="aandct"
1085msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1086nellymoser_decoder_select="fft mdct"
1087nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1088png_decoder_select="zlib"
1089png_encoder_select="zlib"
63cae55d 1090qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1091rv10_encoder_select="aandct"
1092rv20_encoder_select="aandct"
d52b39c7
AJ
1093rv30_decoder_select="golomb"
1094rv40_decoder_select="golomb"
4f034993
MR
1095shorten_decoder_select="golomb"
1096sonic_decoder_select="golomb"
1097sonic_encoder_select="golomb"
1098sonic_ls_encoder_select="golomb"
1099svq3_decoder_select="golomb"
bee2eac5 1100svq3_decoder_suggest="zlib"
2eef7c62
AJ
1101tiff_decoder_suggest="zlib"
1102tiff_encoder_suggest="zlib"
1103tscc_decoder_select="zlib"
ff418735 1104vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1105vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1106vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1107vc1_vdpau_decoder_select="vdpau vc1_decoder"
47a158cb
MR
1108vorbis_decoder_select="fft mdct"
1109vorbis_encoder_select="fft mdct"
1110wmav1_decoder_select="fft mdct"
1111wmav1_encoder_select="fft mdct"
1112wmav2_decoder_select="fft mdct"
1113wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1114wmv1_encoder_select="aandct"
1115wmv2_encoder_select="aandct"
ff418735 1116wmv3_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1117wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
711dae77 1118wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1119wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
2eef7c62
AJ
1120zlib_decoder_select="zlib"
1121zlib_encoder_select="zlib"
1122zmbv_decoder_select="zlib"
1123zmbv_encoder_select="zlib"
30fd06be 1124
28b80940
DB
1125# parsers
1126h264_parser_select="golomb"
1127
912f3148 1128# external libraries
1b71f045 1129libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1130libdirac_encoder_deps="libdirac"
c9171a83 1131libfaac_encoder_deps="libfaac"
69ddbd1d 1132libfaad_decoder_deps="libfaad"
4ec45764 1133libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1134libgsm_decoder_deps="libgsm"
1135libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1136libgsm_ms_decoder_deps="libgsm"
1137libgsm_ms_encoder_deps="libgsm"
1cc60c47 1138libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1139libopencore_amrnb_decoder_deps="libopencore_amrnb"
1140libopencore_amrnb_encoder_deps="libopencore_amrnb"
1141libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1142libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1143libschroedinger_decoder_deps="libschroedinger"
1144libschroedinger_encoder_deps="libschroedinger"
ae14f311 1145libspeex_decoder_deps="libspeex"
150d2772 1146libtheora_encoder_deps="libtheora"
b0caf888 1147libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1148libx264_encoder_deps="libx264"
1149libxvid_encoder_deps="libxvid"
30fd06be 1150
912f3148 1151# demuxers / muxers
03a76ba9 1152ac3_demuxer_deps="ac3_parser"
4e622dea
SS
1153avisynth_demuxer_deps="avisynth"
1154dirac_demuxer_deps="dirac_parser"
1155libnut_demuxer_deps="libnut"
1156libnut_muxer_deps="libnut"
1157matroska_demuxer_suggest="zlib bzlib"
1158mov_demuxer_suggest="zlib"
1159mp3_demuxer_deps="mpegaudio_parser"
1160redir_demuxer_deps="network"
1161rtp_muxer_deps="network rtp_protocol"
1162rtsp_demuxer_deps="sdp_demuxer"
1163sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1164
1165# indevs / outdevs
38e54a75
SS
1166alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1167alsa_indev_extralibs="-lasound"
1168alsa_outdev_deps="alsa_asoundlib_h"
1169alsa_outdev_extralibs="-lasound"
1170audio_beos_indev_deps="audio_beos"
1171audio_beos_indev_extralibs="-lmedia -lbe"
1172audio_beos_outdev_deps="audio_beos"
1173audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1174bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1175dv1394_indev_deps="dv1394 dv_demuxer"
1176jack_indev_deps="jack_jack_h"
1177jack_indev_extralibs="-ljack"
1178libdc1394_indev_deps="libdc1394"
38e54a75
SS
1179oss_indev_deps_any="soundcard_h sys_soundcard_h"
1180oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1181v4l_indev_deps="linux_videodev_h"
1182v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1183vfwcap_indev_deps="capCreateCaptureWindow"
1184vfwcap_indev_extralibs="-lvfw32"
1185x11_grab_device_indev_deps="x11grab XShmCreateImage"
1186x11_grab_device_indev_extralibs="-lX11 -lXext"
30fd06be 1187
912f3148 1188# protocols
3fff6382 1189gopher_protocol_deps="network"
c08fb000
AB
1190http_protocol_deps="network"
1191rtp_protocol_deps="udp_protocol"
1192tcp_protocol_deps="network"
1193udp_protocol_deps="network"
1194
f7679c54 1195# filters
81124ba0 1196movie_filter_deps="avfilter_lavf"
f7679c54 1197
912f3148 1198# programs
fa859b4d 1199ffplay_deps="sdl"
6ad42348 1200ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1201ffserver_extralibs='$ldl'
a2830dca 1202
912f3148 1203
de6d9b64 1204# default parameters
8a608357 1205
2ba042a7 1206logfile="config.err"
8a608357
MR
1207
1208# installation paths
c9d19248
MR
1209prefix_default="/usr/local"
1210bindir_default='${prefix}/bin'
14a8acf1 1211datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1212incdir_default='${prefix}/include'
1213libdir_default='${prefix}/lib'
1214mandir_default='${prefix}/share/man'
1215shlibdir_default="$libdir_default"
8a608357
MR
1216
1217# toolchain
11e6d03a 1218ar="ar"
13c7df3d 1219cc_default="gcc"
9da6609f 1220host_cc_default="gcc"
11e6d03a 1221ln_s="ln -sf"
89641463 1222nm_default="nm"
11e6d03a 1223objformat="elf"
be7109c1 1224ranlib="ranlib"
0f3cb305 1225strip="strip"
11e6d03a 1226yasmexe="yasm"
8a608357
MR
1227
1228# machine
5e622c40 1229arch=$(uname -m)
38d0a8aa 1230cpu="generic"
8a608357 1231
8a608357 1232# OS
4f854758 1233target_os=$(tolower $(uname -s))
82bb3329 1234host_os=$target_os
8a608357 1235
8a608357 1236# configurable options
497237c7 1237enable debug
aa033b1e 1238enable fastdiv
497237c7
RP
1239enable ffmpeg
1240enable ffplay
1241enable ffserver
1242enable ipv6
497237c7
RP
1243enable mpegaudio_hp
1244enable network
8400d6b8 1245enable optimizations
497237c7 1246enable protocols
530dc538 1247enable static
87a0fb62 1248enable stripping
a9ddb5b1 1249enable swscale_alpha
8a608357 1250
8a608357 1251# build settings
50a334e4 1252add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1253SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1254FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1255LIBPREF="lib"
1256LIBSUF=".a"
c5f14466
RP
1257FULLNAME='$(NAME)$(BUILDSUF)'
1258LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1259SLIBPREF="lib"
1260SLIBSUF=".so"
c5f14466 1261SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1262SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1263SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1264LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1265
9da6609f
MR
1266host_cflags='-O3 -g -Wall'
1267host_libs='-lm'
1268
a7ada2ba
MR
1269target_path='.'
1270
0d7dca36
DB
1271# gcc stupidly only outputs the basename of targets with -MM, but we need the
1272# full relative path for objects in subdirectories for non-recursive Make.
50567afa 1273DEPEND_CMD='$(DEPCC) $(CPPFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
315c741d 1274
c597172e 1275# find source path
5e622c40 1276source_path="$(dirname "$0")"
497237c7 1277enable source_path_used
c597172e 1278if test -z "$source_path" -o "$source_path" = "." ; then
5e622c40 1279 source_path="$(pwd)"
497237c7 1280 disable source_path_used
c597172e 1281else
5e622c40 1282 source_path="$(cd "$source_path"; pwd)"
c597172e 1283 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1284 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1285 test -e "$source_path/config.h" &&
1286 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1287fi
1288
13cbe2c0 1289for v in "$@"; do
b04251c5
MR
1290 r=${v#*=}
1291 l=${v%"$r"}
1292 r=$(sh_quote "$r")
13cbe2c0
MR
1293 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1294done
c597172e 1295
73ef8980
MR
1296find_things(){
1297 thing=$1
1298 pattern=$2
1299 file=$source_path/$3
932ccf39 1300 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1301}
1302
1303ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1304DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1305HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1306PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1307BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1308MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1309DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1310OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1311INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1312PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1313FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1314
7483e694
DB
1315enable $ARCH_EXT_LIST \
1316 $DECODER_LIST \
1317 $ENCODER_LIST \
5666fd73 1318 $HWACCEL_LIST \
7483e694
DB
1319 $PARSER_LIST \
1320 $BSF_LIST \
1321 $DEMUXER_LIST \
1322 $MUXER_LIST \
f7679c54 1323 $FILTER_LIST \
7483e694
DB
1324 $PROTOCOL_LIST \
1325 $INDEV_LIST \
1326 $OUTDEV_LIST \
c597172e
MR
1327
1328die_unknown(){
1329 echo "Unknown option \"$1\"."
1330 echo "See $0 --help for available options."
1331 exit 1
1332}
1333
794f8e97 1334show_list() {
bf0c4afa
RP
1335 suffix=_$1
1336 shift
1337 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1338 exit 0
1339}
1340
c597172e 1341for opt do
7483e694
DB
1342 optval="${opt#*=}"
1343 case "$opt" in
0f010b2f 1344 --extra-cflags=*) add_cflags $optval
7483e694 1345 ;;
0f010b2f 1346 --extra-ldflags=*) add_ldflags $optval
7483e694 1347 ;;
0f010b2f 1348 --extra-libs=*) add_extralibs $optval
7483e694 1349 ;;
8fb1cb58 1350 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1351 ;;
40bcf4c7
BL
1352 --enable-debug=*) debuglevel="$optval"
1353 ;;
7483e694 1354 --enable-*=*|--disable-*=*)
5e622c40 1355 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
7483e694 1356 case "$thing" in
38e54a75 1357 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1358 *) die_unknown "$opt" ;;
1359 esac
1360 ;;
1361 --enable-?*|--disable-?*)
5e622c40 1362 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1363 if is_in $option $COMPONENT_LIST; then
fed5d54b 1364 test $action = disable && action=unset
e3773a55
MR
1365 eval $action \$$(toupper ${option%s})_LIST
1366 elif is_in $option $CMDLINE_SELECT; then
1367 $action $option
1368 else
1369 die_unknown $opt
1370 fi
7483e694
DB
1371 ;;
1372 --list-*)
1373 NAME="${opt#--list-}"
1374 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1375 NAME=${NAME%s}
1376 eval show_list $NAME \$$(toupper $NAME)_LIST
1377 ;;
1378 --help|-h) show_help
1379 ;;
1380 *)
884a36a7 1381 optname="${opt%%=*}"
26759c44
MR
1382 optname="${optname#--}"
1383 optname=$(echo "$optname" | sed 's/-/_/g')
1384 is_in $optname $CMDLINE_SET || die_unknown $opt
1385 eval $optname='$optval'
7483e694
DB
1386 ;;
1387 esac
c597172e
MR
1388done
1389
bcea99bb
MR
1390disabled logging && logfile=/dev/null
1391
13cbe2c0 1392echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1393set >> $logfile
1394
9da6609f
MR
1395test -n "$cross_prefix" && enable cross_compile
1396
adb2b908 1397ar="${cross_prefix}${ar}"
11e6d03a 1398cc_default="${cross_prefix}${cc_default}"
20e0ed95 1399nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1400ranlib="${cross_prefix}${ranlib}"
1401strip="${cross_prefix}${strip}"
1402
c5200f17
MR
1403sysinclude_default="${sysroot}/usr/include"
1404
75800dce
MR
1405set_default cc nm sysinclude
1406as_default=$cc
9da6609f
MR
1407enabled cross_compile || host_cc_default=$cc
1408set_default host_cc
13c7df3d 1409
82bb3329
MR
1410exesuf() {
1411 case $1 in
1412 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1413 esac
1414}
1415
1416EXESUF=$(exesuf $target_os)
1417HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1418
e4e69e0b 1419# set temporary file name
a49d42c2 1420: ${TMPDIR:=$TEMPDIR}
c51fafa1 1421: ${TMPDIR:=$TMP}
a49d42c2 1422: ${TMPDIR:=/tmp}
e4e69e0b 1423
54460a83
MR
1424if ! check_cmd type mktemp; then
1425 # simple replacement for missing mktemp
1426 # NOT SAFE FOR GENERAL USE
1427 mktemp(){
1428 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1429 }
1430fi
1431
1432tmpfile(){
1433 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1434 (set -C; exec > $tmp) 2>/dev/null ||
1435 die "Unable to create temoporary file in $TMPDIR."
1436 append TMPFILES $tmp
1437 eval $1=$tmp
1438}
1439
1440trap 'rm -f -- $TMPFILES' EXIT
1441trap exit HUP INT TERM
1442
1443tmpfile TMPC .c
1444tmpfile TMPE $EXESUF
1445tmpfile TMPH .h
1446tmpfile TMPO .o
1447tmpfile TMPS .S
1448tmpfile TMPSH .sh
1449
1450unset -f mktemp
e4e69e0b 1451
993f2d0f
MR
1452# make sure we can execute files in $TMPDIR
1453cat > $TMPSH 2>> $logfile <<EOF
1454#! /bin/sh
1455EOF
1456chmod +x $TMPSH >> $logfile 2>&1
1457if ! $TMPSH >> $logfile 2>&1; then
1458 cat <<EOF
1459Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1460variable to another directory and make sure that it is not mounted noexec.
1461EOF
1462 die "Sanity test failed."
1463fi
993f2d0f 1464
3a636b6f 1465if $cc --version 2>/dev/null | grep -qi gcc; then
629687f6
MR
1466 cc_type=gcc
1467elif $cc --version 2>/dev/null | grep -q Intel; then
1468 cc_type=icc
1469elif $cc -v 2>&1 | grep -q xlc; then
1470 cc_type=xlc
df442a8d
MR
1471elif $cc -V 2>/dev/null | grep -q Compaq; then
1472 cc_type=ccc
50a334e4 1473 DEPEND_CMD='$(CC) $(CPPFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
03754fcd 1474 debuglevel=3
df442a8d 1475 add_ldflags -Wl,-z,now # calls to libots crash without this
03e37762
MR
1476elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1477 test -d "$sysroot" || die "No valid sysroot specified."
1478 cc_type=armcc
1479 armcc_conf="$PWD/armcc.conf"
1480 $cc --arm_linux_configure \
1481 --arm_linux_config_file="$armcc_conf" \
1482 --configure_sysroot="$sysroot" \
1483 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1484 die "Error creating armcc configuration file."
1485 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1486 as_default="${cross_prefix}gcc"
629687f6
MR
1487fi
1488
1489test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1490
50567afa 1491: ${dep_cc_default:=$cc}
684b28e0 1492: ${ld_default:=$cc}
50567afa 1493set_default as dep_cc ld
75800dce 1494
154d432c
MR
1495if test -n "$sysroot"; then
1496 case "$cc_type" in
1497 gcc)
467256f2 1498 add_cppflags --sysroot="$sysroot"
154d432c
MR
1499 add_ldflags --sysroot="$sysroot"
1500 ;;
1501 esac
1502fi
1503
993f2d0f
MR
1504# compiler sanity check
1505check_exec <<EOF
1506int main(void){ return 0; }
1507EOF
1508if test "$?" != 0; then
1509 echo "$cc is unable to create an executable file."
1510 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1511 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1512 echo "Only do this if you know what cross compiling means."
1513 fi
1514 die "C compiler test failed."
1515fi
1516
e9b9a2f8 1517check_cflags -std=c99
50a334e4 1518check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
1519#include <stdlib.h>
1520EOF
50a334e4 1521check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
1522#include <stdlib.h>
1523EOF
e9b9a2f8 1524
b24dbcbd 1525case "$arch" in
b24dbcbd
RP
1526 alpha)
1527 arch="alpha"
1528 enable fast_64bit
c0a02a3e 1529 check_cflags -mieee
b24dbcbd 1530 ;;
cfdb6148
MR
1531 arm|armv[4567]*l)
1532 arch="arm"
b24dbcbd 1533 ;;
f4870943
MR
1534 avr32)
1535 ;;
cfdb6148
MR
1536 bfin)
1537 arch="bfin"
1538 ;;
1539 ia64)
1540 arch="ia64"
b24dbcbd 1541 enable fast_64bit
cfdb6148
MR
1542 ;;
1543 m68k)
1544 arch="m68k"
b24dbcbd 1545 ;;
de3a1240 1546 mips|mipsel|IP*)
b24dbcbd
RP
1547 arch="mips"
1548 ;;
de3a1240
DB
1549 mips64)
1550 arch="mips"
bae3abb0 1551 subarch="mips64"
de3a1240
DB
1552 enable fast_64bit
1553 ;;
61597a98 1554 parisc|hppa)
b24dbcbd
RP
1555 arch="parisc"
1556 ;;
61597a98 1557 parisc64|hppa64)
b24dbcbd
RP
1558 arch="parisc"
1559 enable fast_64bit
1560 ;;
cfdb6148
MR
1561 "Power Macintosh"|ppc|powerpc)
1562 arch="ppc"
1563 enable fast_unaligned
1564 ;;
1565 ppc64)
1566 arch="ppc"
34d11b87 1567 subarch="ppc64"
cfdb6148
MR
1568 enable fast_64bit
1569 enable fast_unaligned
1570 ;;
b24dbcbd
RP
1571 s390|s390x)
1572 arch="s390"
1573 ;;
cfdb6148
MR
1574 sh4|sh)
1575 arch="sh4"
b24dbcbd 1576 ;;
cfdb6148
MR
1577 sparc)
1578 arch="sparc"
1579 ;;
1580 sun4u|sparc64)
1581 arch="sparc"
1582 subarch="sparc64"
b24dbcbd
RP
1583 enable fast_64bit
1584 ;;
cfdb6148
MR
1585 i386|i486|i586|i686|i86pc|BePC)
1586 arch="x86"
1587 subarch="x86_32"
1588 enable fast_unaligned
1589 ;;
1590 x86_64|amd64)
1591 arch="x86"
1592 subarch="x86_32"
1593 enable cmov
1594 enable fast_cmov
1595 enable fast_unaligned
1596 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1597 int test[sizeof(char*) - 7];
1598EOF
b24dbcbd
RP
1599 ;;
1600 *)
1601 arch="unknown"
1602 ;;
1603esac
1604
62045d48 1605enable $arch $subarch
b24dbcbd 1606
7483e694 1607# OS specific
4f854758 1608case $target_os in
7483e694 1609 beos|haiku|zeta)
c9d19248 1610 prefix_default="$HOME/config"
7483e694 1611 # helps building libavcodec
50a334e4
MR
1612 add_cppflags -DPIC
1613 add_cflags -fomit-frame-pointer
7483e694 1614 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 1615 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
1616 case "$gcc_version" in
1617 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1618 disable mmx
1619 ;;
1620 *20010315*) echo "BeBits gcc"
0f010b2f 1621 add_cflags -fno-expensive-optimizations
7483e694
DB
1622 ;;
1623 esac
7483e694
DB
1624 SHFLAGS=-nostart
1625 # enable BeOS things
1626 enable audio_beos
1627 # no need for libm, but the inet stuff
1628 # Check for BONE
1629 # XXX: actually should check for NOT net_server
78fe7631 1630 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1631 network_extralibs="-lbind -lsocket"
1632 else
1633 enable beos_netserver
1634 network_extralibs="-lnet"
1635 fi ;;
1636 sunos)
1637 FFSERVERLDFLAGS=""
9987769a 1638 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1639 network_extralibs="-lsocket -lnsl"
50a334e4 1640 add_cppflags -D__EXTENSIONS__
7483e694
DB
1641 ;;
1642 netbsd)
07a8eef6
MR
1643 oss_indev_extralibs="-lossaudio"
1644 oss_outdev_extralibs="-lossaudio"
7483e694
DB
1645 ;;
1646 openbsd)
1647 disable need_memalign
1648 LIBOBJFLAGS='$(PIC)'
7483e694 1649 SHFLAGS='-shared'
07a8eef6
MR
1650 oss_indev_extralibs="-lossaudio"
1651 oss_outdev_extralibs="-lossaudio"
7483e694 1652 ;;
90b4f091 1653 freebsd|dragonfly)
7483e694
DB
1654 disable need_memalign
1655 ;;
1656 bsd/os)
1657 osextralibs="-lpoll -lgnugetopt"
1658 strip="strip -d"
1659 ;;
1660 darwin)
1661 disable need_memalign
0138c54e 1662 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
1663 strip="strip -x"
1664 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1665 SLIBSUF=".dylib"
1666 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1667 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1668 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1669 objformat="macho"
1b0f6fb8 1670 enabled x86_64 && objformat="macho64"
7483e694
DB
1671 ;;
1672 mingw32*)
4f854758 1673 target_os=mingw32
dcc01c06 1674 LIBTARGET=i386
1fc9fb8a 1675 if enabled x86_64; then
dcc01c06
RP
1676 disable need_memalign
1677 LIBTARGET=x64
1678 fi
fbd971a4 1679 shlibdir_default="$bindir_default"
7483e694
DB
1680 disable ffserver
1681 SLIBPREF=""
1682 SLIBSUF=".dll"
7483e694
DB
1683 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1684 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 1685 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1686 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1687 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1688 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 1689 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1690 objformat="win32"
bc574408 1691 enable dos_paths
1894e741 1692 check_cflags -fno-common
b1549d61 1693 if ! enabled x86_64; then
f7ad5aa2
RP
1694 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1695 die "ERROR: MinGW runtime version must be >= 3.15."
1696 enabled_any avisynth vfwcap_demuxer &&
1697 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1698 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1699 fi
7483e694
DB
1700 ;;
1701 cygwin*)
4f854758 1702 target_os=cygwin
fbd971a4 1703 shlibdir_default="$bindir_default"
7483e694
DB
1704 SLIBPREF="cyg"
1705 SLIBSUF=".dll"
1706 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1707 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1708 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1709 objformat="win32"
bc574408 1710 enable dos_paths
1894e741 1711 check_cflags -fno-common
7483e694 1712 ;;
4f365f37 1713 *-dos|freedos|opendos)
fdf11906 1714 disable ffplay ffserver
4f365f37
MK
1715 disable $INDEV_LIST $OUTDEV_LIST
1716 network_extralibs="-lsocket"
ff1c015d 1717 objformat="coff"
bc574408 1718 enable dos_paths
4f365f37 1719 ;;
7483e694 1720 linux)
7483e694
DB
1721 enable dv1394
1722 ;;
1723 irix*)
4f854758 1724 target_os=irix
7483e694
DB
1725 ranlib="echo ignoring ranlib"
1726 ;;
d22e8442 1727 os/2*)
d22e8442
DY
1728 strip="lxlite"
1729 ln_s="cp -f"
d22e8442 1730 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1731 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1732 FFSERVERLDFLAGS=""
287d3b13 1733 LIBSUF="_s.a"
d22e8442
DY
1734 SLIBPREF=""
1735 SLIBSUF=".dll"
1736 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1737 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1738 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1739 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1740 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1741 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1742 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1743 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1744 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1745 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1746 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1747 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 1748 enable dos_paths
d22e8442 1749 ;;
83993c1c
AM
1750 gnu/kfreebsd)
1751 ;;
34e82167 1752 gnu)
34e82167 1753 ;;
d22e8442 1754
7483e694 1755 *)
4f924f9a 1756 die "Unknown OS '$target_os'."
7483e694
DB
1757 ;;
1758esac
1759
c9d19248
MR
1760set_default $PATHS_LIST
1761
c597172e 1762add_extralibs $osextralibs
de6d9b64 1763
28d8e661
DB
1764# Combine FFLDFLAGS and the LDFLAGS environment variable.
1765LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1766
320d060a 1767# we need to build at least one lib type
93b3c083 1768if ! enabled_any static shared; then
320d060a
DB
1769 cat <<EOF
1770At least one library type must be built.
1771Specify --enable-static to build the static libraries or --enable-shared to
1772build the shared libraries as well. To only build the shared libraries specify
1773--disable-static in addition to --enable-shared.
1774EOF
1775 exit 1;
1776fi
1777
abc4e572 1778disabled static && LIBNAME=""
2a320695 1779
a2234ceb
RP
1780if enabled_any libfaad libfaadbin ; then
1781 if check_header faad.h; then
295b8c70 1782 check_cc <<EOF
a2234ceb
RP
1783#include <faad.h>
1784#ifndef FAAD2_VERSION
1785ok faad1
1786#endif
db817cf3 1787int main(void) { return 0; }
a2234ceb
RP
1788EOF
1789 test $? = 0 && enable libfaad2
1790 else
ff3dac65 1791 die "FAAD test failed."
a2234ceb
RP
1792 fi
1793fi
1794
1795
2184c6f7 1796die_license_disabled() {
4c27207c 1797 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
1798}
1799
1800die_license_disabled gpl libfaad2
1801die_license_disabled gpl libx264
1802die_license_disabled gpl libxvid
1803die_license_disabled gpl postproc
1804die_license_disabled gpl x11grab
1805
2f7ae63b 1806die_license_disabled nonfree libfaac
b2e3c528 1807
0b175caa
DB
1808die_license_disabled version3 libopencore_amrnb
1809die_license_disabled version3 libopencore_amrwb
1810
9cad0e4e 1811enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 1812
9eeed841 1813check_deps $ARCH_EXT_LIST
0f3cb305 1814
5d323602
MR
1815test -z "$need_memalign" && need_memalign="$mmx"
1816
cf9d24ad 1817#Darwin CC versions
4f854758 1818if test $target_os = darwin; then
629687f6 1819 if enabled xlc; then
0f010b2f 1820 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1821 else
0f010b2f
DB
1822 add_cflags -pipe
1823 check_cflags -force_cpusubtype_ALL
1824 check_cflags -Wno-sign-compare
f946a9a4 1825 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1826 fi
2a1a6b64
MN
1827fi
1828
40617a6d 1829disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1830
a4adb608 1831# Add processor-specific flags
38d0a8aa 1832if test $cpu != "generic"; then
bc8ec47b
MR
1833 warn_altivec(){
1834 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1835 }
38d0a8aa 1836 case $cpu in
bb270c08 1837 601|ppc601|PowerPC601)
0f010b2f 1838 add_cflags -mcpu=601
bc8ec47b 1839 warn_altivec enabled PPC601
bb270c08
DB
1840 ;;
1841 603*|ppc603*|PowerPC603*)
0f010b2f 1842 add_cflags -mcpu=603
bc8ec47b 1843 warn_altivec enabled PPC603
bb270c08
DB
1844 ;;
1845 604*|ppc604*|PowerPC604*)
0f010b2f 1846 add_cflags -mcpu=604
bc8ec47b 1847 warn_altivec enabled PPC604
bb270c08
DB
1848 ;;
1849 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1850 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1851 warn_altivec enabled PPC75x
bb270c08
DB
1852 ;;
1853 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1854 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1855 warn_altivec disabled PPC745x
bb270c08
DB
1856 ;;
1857 74*|ppc74*|PowerPC74*)
0f010b2f 1858 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1859 warn_altivec disabled PPC74xx
bb270c08
DB
1860 ;;
1861 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1862 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1863 warn_altivec disabled PPC970
bb270c08 1864 ;;
e07e357d 1865 Cell|CELL|cell)
0f010b2f 1866 add_cflags -mcpu=cell
e07e357d 1867 warn_altivec disabled Cell
34d11b87 1868 enable ldbrx
e07e357d 1869 ;;
e7768fc5
GP
1870 # targets that do NOT support conditional mov (cmov)
1871 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1872 add_cflags -march=$cpu
497237c7 1873 disable cmov
e7768fc5
GP
1874 ;;
1875 # targets that do support conditional mov (cmov)
416519dd 1876 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1877 add_cflags -march=$cpu
497237c7
RP
1878 enable cmov
1879 enable fast_cmov
94e4c3a3
GP
1880 ;;
1881 # targets that do support conditional mov but on which it's slow
800a5a19 1882 pentium4|pentium4m|prescott|nocona)
0f010b2f 1883 add_cflags -march=$cpu
497237c7
RP
1884 enable cmov
1885 disable fast_cmov
bb270c08 1886 ;;
d7b34d08 1887 sparc64)
0f010b2f 1888 add_cflags -mcpu=v9
d7b34d08 1889 ;;
f2e49553 1890 arm11*|cortex*)
0f010b2f 1891 add_cflags -mcpu=$cpu
f2e49553
MR
1892 enable fast_unaligned
1893 ;;
d6ced963
MR
1894 armv[67]*)
1895 add_cflags -march=$cpu
1896 enable fast_unaligned
1897 ;;
0223bd6f 1898 armv*)
0f010b2f 1899 add_cflags -march=$cpu
0223bd6f 1900 ;;
f2e49553 1901 arm*)
0f010b2f 1902 add_cflags -mcpu=$cpu
6b19786b 1903 ;;
1cd11856 1904 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
df442a8d 1905 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1cd11856 1906 ;;
e4ddc8ed
MR
1907 bf*)
1908 add_cflags -mcpu=$cpu
1909 ;;
5b34250d
MR
1910 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1911 add_cflags -march=$cpu
1912 ;;
bb270c08 1913 *)
7483e694 1914 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1915 ;;
a4adb608
MN
1916 esac
1917fi
1918
b4d96ba2
MR
1919check_cc <<EOF || die "Symbol mangling check failed."
1920int ff_extern;
1921EOF
2f05d9c1 1922sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1923extern_prefix=${sym%%ff_extern*}
1924
f65883c8
MR
1925check_cc <<EOF && enable inline_asm
1926void foo(void) { __asm__ volatile ("" ::); }
1927EOF
61d251db 1928
9eeed841 1929if enabled x86; then
44965991
PI
1930 # check whether EBP is available on x86
1931 # As 'i' is stored on the stack, this program will crash
1932 # if the base pointer is used to access it because the
1933 # base pointer is cleared in the inline assembly code.
7dfef245 1934 check_exec_crash <<EOF && enable ebp_available
44965991 1935 volatile int i=0;
be449fca 1936 __asm__ volatile (
44965991
PI
1937 "xorl %%ebp, %%ebp"
1938 ::: "%ebp");
1939 return i;
44965991
PI
1940EOF
1941
1942 # check wether EBX is available on x86
940f335a 1943 check_asm ebx_available '"":::"%ebx"'
8e380710 1944
d3a4b4e0
DB
1945 # check whether more than 10 operands are supported
1946 check_cc <<EOF && enable ten_operands
1947int main(void) {
1948 int x=0;
1949 __asm__ volatile(
1950 ""
1951 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1952 );
1953 return 0;
1954}
1955EOF
1956
d7f0920b 1957 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1958 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 1959 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
1960
1961 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1962
d52481b9 1963 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1964 enabled x86_64 && append YASMFLAGS "-m amd64"
1965 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1966 case "$objformat" in
1967 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1968 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1969 *) append YASMFLAGS "-DPREFIX" ;;
1970 esac
7595a5e4 1971 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1972fi
1973
87ea51e0
LB
1974# check for assembler specific support
1975
85dd97ad
MR
1976enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1977
5b6c2cbd 1978enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1979enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
cc078b5d 1980enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
87ea51e0 1981
57bd82d4
MR
1982# check for SIMD availability
1983
115329f1 1984# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1985if enabled altivec; then
3ed1a2ee
DB
1986 check_cflags -maltivec -mabi=altivec &&
1987 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1988 check_cflags -faltivec
b6e52719 1989
0182fee8 1990 # check if our compiler supports Motorola AltiVec C API
497237c7 1991 check_cc <<EOF || disable altivec
dcd479c0 1992$inc_altivec_h
a9a07762
MN
1993int main(void) {
1994 vector signed int v1, v2, v3;
1995 v1 = vec_add(v2,v3);
1996 return 0;
1997}
1998EOF
b006b26c
DB
1999
2000 # check if our compiler supports braces for vector declarations
80a61f08 2001 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 2002$inc_altivec_h
80a61f08 2003int main (void) { (vector int) {1}; return 0; }
b006b26c 2004EOF
a9a07762 2005fi
ab6c65f6 2006
b4e806b2 2007# We have to check if pld is a nop and disable it.
a2fc0f6a 2008enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
2009enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2010enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 2011enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 2012enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
2013enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2014enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 2015enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 2016enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 2017
0f010b2f 2018enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 2019
57bd82d4
MR
2020# ---
2021# big/little-endian test
9eebe687
MR
2022check_cc <<EOF || die "endian test failed"
2023unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 2024EOF
d04d9e16 2025od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 2026
a3999908 2027# ---
3d204385
NK
2028# check availability of some header files
2029
a98bb16d
RP
2030if check_func dlopen; then
2031 ldl=
2032elif check_func dlopen -ldl; then
2033 ldl=-ldl
8bf5d58f
MN
2034fi
2035
75ecf149
DB
2036# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2037check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2038
7483e694
DB
2039check_func fork
2040check_func gethrtime
2041check_func getrusage
094c09bb 2042check_func inet_aton $network_extralibs
7483e694
DB
2043check_func memalign
2044check_func mkstemp
1f91cdce 2045check_func posix_memalign
b507ebd1 2046check_func_headers io.h setmode
e4673692 2047check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 2048check_func_headers windows.h GetProcessTimes
7c5bfe7a 2049check_func_headers windows.h VirtualAlloc
6ffa87d3 2050
e16e49ac 2051check_header conio.h
a98bb16d
RP
2052check_header dlfcn.h
2053check_header malloc.h
bf6ce82d 2054check_header poll.h
b58412f1 2055check_header sys/mman.h
b091aa44 2056check_header sys/resource.h
bf6ce82d 2057check_header sys/select.h
a98bb16d 2058check_header termios.h
272081b0
CEH
2059check_header vdpau/vdpau.h
2060check_header vdpau/vdpau_x11.h
68178ca9 2061check_header X11/extensions/XvMClib.h
a98bb16d 2062
1f91cdce
RP
2063if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2064 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2065fi
e16e49ac 2066
a4fa192c 2067disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2068disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2069
2070# check for some common methods of building with pthread support
2071# do this before the optional library checks as some of them require pthreads
2072if enabled pthreads; then
9e7fd101
MR
2073 if check_func pthread_create; then
2074 :
2075 elif check_func pthread_create -pthread; then
2076 add_cflags -pthread
afc9aee2 2077 add_extralibs -pthread
9e7fd101
MR
2078 elif check_func pthread_create -pthreads; then
2079 add_cflags -pthreads
afc9aee2 2080 add_extralibs -pthreads
8d94f606
GT
2081 elif check_func pthread_create -lpthreadGC2; then
2082 add_extralibs -lpthreadGC2
9e7fd101
MR
2083 elif ! check_lib pthread.h pthread_create -lpthread; then
2084 die "ERROR: can't find pthreads library"
2085 fi
57bd82d4
MR
2086fi
2087
8eee7025 2088for thread in $THREADS_LIST; do
e5f94c2b 2089 if enabled $thread; then
3ae3b721
RP
2090 test -n "$thread_type" &&
2091 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2092 thread_type="$thread"
e5f94c2b
RP
2093 fi
2094done
2095
fdf88598 2096check_lib math.h sin -lm
ff418735 2097check_lib va/va.h vaInitialize -lva
fdf88598 2098
a33cab3a 2099# test for C99 functions in math.h
291fd18a 2100for func in llrint log2 lrint lrintf round roundf truncf; do
a33cab3a 2101 check_exec <<EOF && enable $func || disable $func
f32adb22 2102#include <math.h>
a33cab3a 2103int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 2104EOF
a33cab3a 2105done
f32adb22 2106
57bd82d4 2107# these are off by default, so fail if requested and not available
79fda097 2108enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
e3cc7d6f 2109enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
2110 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2111 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
2112enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2113enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2114enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2115enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2116enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2117enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2118enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2119enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2120enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2121 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2122enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
2123enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2124enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 2125enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
2126 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2127 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 2128enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2129enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2130
0b4a1821
AS
2131# libdc1394 check
2132if enabled libdc1394; then
2133 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2134 enable libdc1394_2; } ||
2135 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2136 enable libdc1394_1; } ||
2137 die "ERROR: No version of libdc1394 found "
2138fi
2139
2140
c13e1abd
FH
2141_restrict=
2142for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 2143 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
2144void foo(char * $restrict_keyword p);
2145EOF
c13e1abd
FH
2146done
2147
a86b921c 2148##########################################
29799f8b 2149# SDL check
a86b921c 2150
497237c7
RP
2151disable sdl_too_old
2152disable sdl
6a1a892f 2153SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2154if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2155 sdl_cflags=$("${SDL_CONFIG}" --cflags)
225e21ef 2156 temp_cflags $sdl_cflags
5e622c40 2157 temp_extralibs $("${SDL_CONFIG}" --libs)
1ca5d97f 2158 if check_lib2 SDL.h SDL_Init; then
5e622c40 2159 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
29f3b38a 2160 if test "$_sdlversion" -lt 121 ; then
497237c7 2161 enable sdl_too_old
dcd479c0 2162 else
497237c7 2163 enable sdl
225e21ef 2164 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2165#include <SDL.h>
d6773f56 2166int main(int argc, char **argv){
29f3b38a
MR
2167 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2168 int w = vi->current_w;
2169 return 0;
2170}
2171EOF
dcd479c0
MR
2172 fi
2173 fi
29f3b38a 2174 restore_flags
c3f6b472 2175fi
57bd82d4 2176
2270b4b2 2177texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2178
7a91333f 2179##########################################
73b46a95
RP
2180# Network check
2181
2182if enabled network; then
96000432 2183 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2184 # Prefer arpa/inet.h over winsock2
2185 if check_header arpa/inet.h ; then
2186 check_func closesocket
2187 elif check_header winsock2.h ; then
ea10ddde 2188 network_extralibs="-lws2_32"
72be9e73 2189 check_type ws2tcpip.h socklen_t
2446d3d6 2190 check_func_headers winsock2.h closesocket
28c9f069
MK
2191 else
2192 disable network
73b46a95
RP
2193 fi
2194fi
2195
2196##########################################
29799f8b 2197# IPv6 check
7a91333f 2198
497237c7 2199enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2200#include <sys/types.h>
2201#include <sys/socket.h>
2202#include <netinet/in.h>
2203#include <netdb.h>
db817cf3 2204int main(void) {
7483e694
DB
2205 struct sockaddr_storage saddr;
2206 struct ipv6_mreq mreq6;
2207 getaddrinfo(0,0,0,0);
2208 getnameinfo(0,0,0,0,0,0,0);
2209 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2210}
2211EOF
2212
06e31011
RP
2213check_header linux/videodev.h
2214check_header linux/videodev2.h
1b6e8b73 2215check_header sys/videoio.h
47f38850 2216
2446d3d6 2217check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2218
f8aa696f 2219# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2220{ check_header dev/bktr/ioctl_meteor.h &&
2221 check_header dev/bktr/ioctl_bt848.h; } ||
2222{ check_header machine/ioctl_meteor.h &&
2223 check_header machine/ioctl_bt848.h; } ||
2224{ check_header dev/video/meteor/ioctl_meteor.h &&
2225 check_header dev/video/bktr/ioctl_bt848.h; } ||
2226check_header dev/ic/bt8xx.h
f8aa696f 2227
c7682de0
RP
2228check_header sys/soundcard.h
2229check_header soundcard.h
deb29777 2230
c2b3565e 2231enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2232
30b1fff6 2233enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2234
7483e694 2235# deal with the X11 frame grabber
56a059ac 2236enabled x11grab &&
f58f4ce1
GP
2237check_header X11/Xlib.h &&
2238check_header X11/extensions/XShm.h &&
2239check_func XOpenDisplay -lX11 &&
06eab4ba 2240check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2241
40bcf4c7 2242enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2243
2244# add some useful compiler flags if supported
2245check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2246check_cflags -Wall
2247check_cflags -Wno-switch
c07bd6a9
MN
2248check_cflags -Wdisabled-optimization
2249check_cflags -Wpointer-arith
2250check_cflags -Wredundant-decls
cc1fb623 2251check_cflags -Wno-pointer-sign
f4929996 2252check_cflags -Wcast-qual
9aceb3cf 2253check_cflags -Wwrite-strings
652a5bf6 2254check_cflags -Wtype-limits
764551c6 2255check_cflags -Wundef
5af4e0cc 2256enabled extra_warnings && check_cflags -Winline
cf9d24ad 2257
57bd82d4 2258# add some linker flags
5c0e9479 2259check_ldflags -Wl,--warn-common
8351d2ba
DB
2260check_ldflags -Wl,--as-needed
2261check_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 2262check_ldflags -Wl,-Bsymbolic
94a3401e 2263
bd2216e4
MR
2264if enabled small; then
2265 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2266 optimizations="small"
2267elif enabled optimizations; then
629687f6 2268 if enabled xlc; then
0f010b2f
DB
2269 add_cflags -O5
2270 add_ldflags -O5
df442a8d
MR
2271 elif enabled ccc; then
2272 add_cflags -fast
cf9d24ad 2273 else
0f010b2f 2274 add_cflags -O3
cf9d24ad 2275 fi
cddf3f45 2276fi
11fdbc44 2277check_cflags -fno-math-errno
b2eb2ff0 2278check_cflags -fno-signed-zeros
cddf3f45 2279
504a64b9 2280# add some flags for Intel C Compiler
629687f6 2281if enabled icc; then
b1598b58
MR
2282 # Just warnings, no remarks
2283 check_cflags -w1
2284 # -wd: Disable following warnings
2285 # 144, 167, 556: -Wno-pointer-sign
2286 # 10006: ignoring unknown option -fno-signed-zeros
2287 # 10156: ignoring option '-W'; no argument required
2288 check_cflags -wd144,167,556,10006,10156
2289 # 11030: Warning unknown option --as-needed
2290 # 10156: ignoring option '-export'; no argument required
2291 check_ldflags -wd10156,11030
2292 # Allow to compile with optimizations
2293 check_ldflags -march=$cpu
be2cf98a
CEH
2294 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2295 enable ebp_available
df442a8d
MR
2296elif enabled ccc; then
2297 # disable some annoying warnings
2298 add_cflags -msg_disable cvtu32to64
2299 add_cflags -msg_disable embedcomment
2300 add_cflags -msg_disable needconstext
2301 add_cflags -msg_disable nomainieee
2302 add_cflags -msg_disable ptrmismatch1
2303 add_cflags -msg_disable unreachcode
504a64b9
CEH
2304fi
2305
80581e98 2306# PIC flags for shared library objects where they are needed
5af4e0cc 2307if enabled shared; then
569cb218
MR
2308 # LIBOBJFLAGS may have already been set in the OS configuration
2309 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2310 case "${subarch-$arch}" in
b6bd7268 2311 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2312 esac
2313 fi
80581e98
MN
2314fi
2315
90be59ef 2316if enabled gprof; then
0f010b2f
DB
2317 add_cflags -p
2318 add_ldflags -p
1db54e20
DB
2319fi
2320
7f3c02fc 2321# Find out if the .align argument is a power of two or not.
9377b6ce 2322check_asm asmalign_pot '".align 3"'
4454dc1b 2323
7483e694
DB
2324enabled_any $DECODER_LIST && enable decoders
2325enabled_any $ENCODER_LIST && enable encoders
5666fd73 2326enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2327enabled_any $BSF_LIST && enable bsfs
2328enabled_any $DEMUXER_LIST && enable demuxers
2329enabled_any $MUXER_LIST && enable muxers
f7679c54 2330enabled_any $FILTER_LIST && enable filters
7483e694
DB
2331enabled_any $INDEV_LIST && enable demuxers
2332enabled_any $OUTDEV_LIST && enable muxers
2333enabled_any $PROTOCOL_LIST && enable protocols
2334
2335enabled_any $THREADS_LIST && enable threads
2336
2337check_deps $CONFIG_LIST \
b6bb00b0 2338 $CONFIG_EXTRA \
7483e694
DB
2339 $HAVE_LIST \
2340 $DECODER_LIST \
2341 $ENCODER_LIST \
5666fd73 2342 $HWACCEL_LIST \
7483e694
DB
2343 $PARSER_LIST \
2344 $BSF_LIST \
2345 $DEMUXER_LIST \
2346 $MUXER_LIST \
f7679c54 2347 $FILTER_LIST \
7483e694
DB
2348 $INDEV_LIST \
2349 $OUTDEV_LIST \
2350 $PROTOCOL_LIST \
f70f03f6 2351
3e89171a 2352echo "install prefix $prefix"
f36958f8
DB
2353echo "source path $source_path"
2354echo "C compiler $cc"
bfd5afd8 2355echo ".align is power-of-two $asmalign_pot"
f36958f8 2356echo "ARCH $arch ($cpu)"
ce8871c2
MR
2357if test "$build_suffix" != ""; then
2358 echo "build suffix $build_suffix"
eb94aca9 2359fi
ac63af34
DB
2360if test "$extra_version" != ""; then
2361 echo "version string suffix $extra_version"
2362fi
0db2ce77 2363echo "big-endian ${bigendian-no}"
e90f5b5a 2364echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2365if enabled x86; then
af44e8e4 2366 echo "yasm ${yasm-no}"
0db2ce77 2367 echo "MMX enabled ${mmx-no}"
30e98e62 2368 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2369 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2370 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2371 echo "SSE enabled ${sse-no}"
30e98e62 2372 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2373 echo "CMOV enabled ${cmov-no}"
2374 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2375 echo "EBX available ${ebx_available-no}"
2376 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2377 echo "10 operands supported ${ten_operands-no}"
e41e8342 2378fi
5b6c2cbd 2379if enabled arm; then
0db2ce77
MR
2380 echo "ARMv5TE enabled ${armv5te-no}"
2381 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2382 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2383 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2384 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2385 echo "NEON enabled ${neon-no}"
eba9ae3c 2386fi
5b6c2cbd 2387if enabled mips; then
0db2ce77 2388 echo "MMI enabled ${mmi-no}"
e41e8342 2389fi
5b6c2cbd 2390if enabled ppc; then
0db2ce77 2391 echo "AltiVec enabled ${altivec-no}"
30e98e62 2392 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2393 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2394 echo "performance report ${powerpc_perf-no}"
2395fi
2396if enabled sparc; then
2397 echo "VIS enabled ${vis-no}"
e41e8342 2398fi
0db2ce77
MR
2399echo "gprof enabled ${gprof-no}"
2400echo "debug symbols ${debug-no}"
87a0fb62 2401echo "strip symbols ${stripping-no}"
8400d6b8 2402echo "optimizations ${optimizations-no}"
0db2ce77
MR
2403echo "static ${static-no}"
2404echo "shared ${shared-no}"
4a24ab64 2405echo "postprocessing support ${postproc-no}"
f7679c54 2406echo "new filter support ${avfilter-no}"
81124ba0 2407echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2408echo "network support ${network-no}"
90be59ef 2409if enabled network; then
0db2ce77 2410 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2411fi
0db2ce77
MR
2412echo "threading support ${thread_type-no}"
2413echo "SDL support ${sdl-no}"
90be59ef 2414if enabled sdl_too_old; then
bfd5afd8
DB
2415 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2416fi
0db2ce77
MR
2417echo "Sun medialib support ${mlib-no}"
2418echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2419echo "libdc1394 support ${libdc1394-no}"
690bfceb 2420echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2421echo "libfaac enabled ${libfaac-no}"
2422echo "libfaad enabled ${libfaad-no}"
7e0871a7 2423echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2424echo "libgsm enabled ${libgsm-no}"
2425echo "libmp3lame enabled ${libmp3lame-no}"
2426echo "libnut enabled ${libnut-no}"
0b175caa
DB
2427echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2428echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2429echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2430echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2431echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2432echo "libtheora enabled ${libtheora-no}"
2433echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2434echo "libx264 enabled ${libx264-no}"
2435echo "libxvid enabled ${libxvid-no}"
0db2ce77 2436echo "zlib enabled ${zlib-no}"
f402916e 2437echo "bzlib enabled ${bzlib-no}"
2c62e737 2438echo
de6d9b64 2439
5666fd73 2440for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2441 echo "Enabled ${type}s:"
f65c9da1 2442 eval list=\$$(toupper $type)_LIST
8138b9db 2443 for part in $list; do
f65c9da1
MR
2444 enabled $part && echo ${part%_*}
2445 done | sort | pr -3 -t
2446 echo
8138b9db
RP
2447done
2448
ba7a7039 2449license="LGPL version 2.1 or later"
ba321adb 2450if enabled nonfree; then
ba7a7039 2451 license="nonfree and unredistributable"
9cad0e4e
DB
2452elif enabled gplv3; then
2453 license="GPL version 3 or later"
2454elif enabled lgplv3; then
2455 license="LGPL version 3 or later"
ba321adb 2456elif enabled gpl; then
ba7a7039 2457 license="GPL version 2 or later"
ba321adb
JK
2458fi
2459
2460echo "License: $license"
ca5323af 2461
cf1392e9
DB
2462echo "Creating config.mak and config.h..."
2463
29799f8b
DB
2464echo "# Automatically generated by configure - do not modify!" > config.mak
2465echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2466echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2467echo "#define FFMPEG_CONFIG_H" >> $TMPH
b04251c5 2468echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
14a8acf1 2469echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2470
d921f03f 2471echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2472echo "prefix=$prefix" >> config.mak
22a324da
DB
2473echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2474echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2475echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2476echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2477echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2478echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
0a7ee3ef
DB
2479echo "SRC_PATH=\"$source_path\"" >> config.mak
2480echo "SRC_PATH_BARE=$source_path" >> config.mak
2481echo "BUILD_ROOT=\"$PWD\"" >> config.mak
980fc7b8 2482echo "CC=$cc" >> config.mak
313c46a6 2483echo "AS=$as" >> config.mak
684b28e0 2484echo "LD=$ld" >> config.mak
50567afa 2485echo "DEPCC=$dep_cc" >> config.mak
304d586d 2486echo "YASM=$yasmexe" >> config.mak
980fc7b8 2487echo "AR=$ar" >> config.mak
be7109c1 2488echo "RANLIB=$ranlib" >> config.mak
20369773 2489echo "LN_S=$ln_s" >> config.mak
87a0fb62 2490enabled stripping &&
3ae3b721 2491 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2492 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2493
50a334e4 2494echo "CPPFLAGS?=$CPPFLAGS" >> config.mak
3198f618 2495echo "CFLAGS=$CFLAGS" >> config.mak
0f3cb305 2496echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2497echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2498echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2499echo "YASMFLAGS=$YASMFLAGS" >> config.mak
80581e98 2500echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2501echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2502echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2503echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2504echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2505echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2506echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2507echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2508echo "SLIBSUF=$SLIBSUF" >> config.mak
2509echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2510echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2511echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2512echo "HOSTCC=$host_cc" >> config.mak
2513echo "HOSTCFLAGS=$host_cflags" >> config.mak
82bb3329 2514echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
9da6609f
MR
2515echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2516echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2517echo "TARGET_EXEC=$target_exec" >> config.mak
2518echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2519
90be59ef 2520if enabled bigendian; then
7483e694
DB
2521 echo "WORDS_BIGENDIAN=yes" >> config.mak
2522 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2523fi
44161118 2524
90be59ef 2525if enabled sdl; then
5e622c40
DB
2526 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2527 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
a86b921c 2528fi
90be59ef 2529if enabled texi2html; then
7483e694 2530 echo "BUILD_DOC=yes" >> config.mak
146ea952 2531fi
5a872801 2532
719c8e00
MR
2533get_version(){
2534 name=$1
2535 file=$source_path/$2
147e7692
MR
2536 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2537 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2538 lcname=$(tolower $name)
2539 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2540 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2541}
2542
147e7692
MR
2543get_version LIBSWSCALE libswscale/swscale.h
2544get_version LIBPOSTPROC libpostproc/postprocess.h
2545get_version LIBAVCODEC libavcodec/avcodec.h
2546get_version LIBAVDEVICE libavdevice/avdevice.h
2547get_version LIBAVFORMAT libavformat/avformat.h
2548get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2549get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2550
5af4e0cc 2551if enabled shared; then
7483e694
DB
2552 echo "BUILD_SHARED=yes" >> config.mak
2553 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2554 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2555 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2556 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2557 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2558 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2559 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2560 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2561 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2562fi
d7e27559 2563echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2564echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2565
7b5e8a27
DB
2566echo "ARCH=$arch" >> config.mak
2567
3d907e22
MR
2568print_config ARCH_ $TMPH config.mak $ARCH_LIST
2569print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2570print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2571 $CONFIG_EXTRA \
7483e694
DB
2572 $DECODER_LIST \
2573 $ENCODER_LIST \
5666fd73 2574 $HWACCEL_LIST \
7483e694
DB
2575 $PARSER_LIST \
2576 $BSF_LIST \
2577 $DEMUXER_LIST \
2578 $MUXER_LIST \
f7679c54 2579 $FILTER_LIST \
7483e694
DB
2580 $PROTOCOL_LIST \
2581 $INDEV_LIST \
2582 $OUTDEV_LIST \
8ac17293 2583
c13e1abd
FH
2584echo "#define restrict $_restrict" >> $TMPH
2585
bd2216e4 2586if enabled small; then
7483e694 2587 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2588fi
2589
0f3cb305 2590
8156056e 2591# Apparently it's not possible to portably echo a backslash.
3ae3b721 2592enabled asmalign_pot &&
7483e694 2593 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2594 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2595
b4d96ba2 2596echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2597
9c05103f
DB
2598echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2599
b7860763 2600# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2601cmp -s $TMPH config.h &&
2602 echo "config.h is unchanged" ||
2603 mv -f $TMPH config.h
3d204385 2604
165af439 2605# build tree in object directory if source path is different from current one
90be59ef 2606if enabled source_path_used; then
165af439 2607 DIRS="\
7483e694
DB
2608 doc \
2609 libavcodec \
2610 libavcodec/alpha \
a2fc0f6a 2611 libavcodec/arm \
7483e694 2612 libavcodec/bfin \
7483e694
DB
2613 libavcodec/mlib \
2614 libavcodec/ppc \
2615 libavcodec/sh4 \
2616 libavcodec/sparc \
a6493a8f 2617 libavcodec/x86 \
52a9cf34 2618 libavdevice \
f7679c54 2619 libavfilter \
7483e694
DB
2620 libavformat \
2621 libavutil \
2622 libpostproc \
2623 libswscale \
b2cfd7e3
RP
2624 libswscale/bfin \
2625 libswscale/mlib \
2626 libswscale/ppc \
2627 libswscale/sparc \
2628 libswscale/x86 \
7483e694
DB
2629 tests \
2630 tools \
7483e694 2631 "
165af439 2632 FILES="\
7483e694
DB
2633 Makefile \
2634 common.mak \
71c61f62 2635 subdir.mak \
7483e694
DB
2636 doc/texi2pod.pl \
2637 libavcodec/Makefile \
52a9cf34 2638 libavdevice/Makefile \
f7679c54 2639 libavfilter/Makefile \
7483e694
DB
2640 libavformat/Makefile \
2641 libavutil/Makefile \
2642 libpostproc/Makefile \
2643 libswscale/Makefile \
2644 "
165af439 2645 for dir in $DIRS ; do
7483e694 2646 mkdir -p $dir
165af439
MR
2647 done
2648 for f in $FILES ; do
20369773 2649 $ln_s "$source_path/$f" $f
165af439
MR
2650 done
2651fi
def4272a 2652
def4272a 2653
d0674868 2654# build pkg-config files
def4272a 2655
d0674868
DB
2656pkgconfig_generate(){
2657name=$1
b0dfd108 2658shortname=${name#lib}${build_suffix}
d0674868
DB
2659comment=$2
2660version=$3
2661libs=$4
2662requires=$5
25cd5cb3 2663cat <<EOF > $name/$name.pc
3e89171a 2664prefix=$prefix
a94e666c 2665exec_prefix=\${prefix}
f2b7382c 2666libdir=$libdir
7622778e 2667includedir=$incdir
def4272a 2668
d0674868
DB
2669Name: $name
2670Description: $comment
2671Version: $version
5dcfe9f8
AH
2672Requires: $(disabled shared && echo $requires)
2673Requires.private: $(enabled shared && echo $requires)
def4272a 2674Conflicts:
12701f6e
AH
2675Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2676Libs.private: $(enabled shared && echo $libs)
76a448ed 2677Cflags: -I\${includedir}
def4272a 2678EOF
25cd5cb3 2679cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2680prefix=
2681exec_prefix=
46d1ff83 2682libdir=\${pcfiledir}
1d44d365 2683includedir=${source_path}
def4272a 2684
d0674868
DB
2685Name: $name
2686Description: $comment
2687Version: $version
2688Requires: $requires
def4272a 2689Conflicts:
12701f6e 2690Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2691Cflags: -I\${includedir}
2692EOF
d0674868 2693}
def4272a 2694
e426941d 2695pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2696pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2697pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2698pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2699enabled avfilter &&
46983309 2700 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2701enabled postproc &&
e426941d 2702 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2703pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"