Document url_seek().
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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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
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
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91 --enable-postproc enable GPLed postprocessing support [no]
92 --enable-avfilter video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
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100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
7f3f5f46 106 --disable-dct disable DCT code
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107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
92c6a099 114 --disable-dxva2 disable DXVA2 code
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115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --enable-beos-netserver enable BeOS netserver
bb55e3a3 119 --disable-everything disable all components listed below
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120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfaad enable FAAD support via libfaad [no]
174 --enable-libfaadbin open libfaad.so.0 at runtime [no]
175 --enable-libgsm enable GSM support via libgsm [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libnut enable NUT (de)muxing via libnut,
178 native (de)muxer exists [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
180 --enable-libschroedinger enable Dirac support via libschroedinger [no]
181 --enable-libspeex enable Speex decoding via libspeex [no]
182 --enable-libtheora enable Theora encoding via libtheora [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libx264 enable H.264 encoding via x264 [no]
186 --enable-libxvid enable Xvid encoding via xvidcore,
187 native MPEG-4/Xvid encoder exists [no]
188 --enable-mlib enable Sun medialib [no]
189 --enable-zlib enable zlib [autodetect]
190
191Advanced options (experts only):
192 --source-path=PATH path to source code [$source_path]
193 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
194 --enable-cross-compile assume a cross-compiler is used
195 --sysroot=PATH root of cross-build tree
196 --sysinclude=PATH location of cross-build system headers
197 --target-os=OS compiler targets OS [$target_os]
198 --target-exec=CMD command to run executables on target
199 --target-path=DIR path to view of build directory on target
200 --nm=NM use nm tool
201 --as=AS use assembler AS [$as_default]
202 --cc=CC use C compiler CC [$cc_default]
203 --ld=LD use linker LD
204 --host-cc=HOSTCC use host C compiler HOSTCC
205 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
206 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
207 --host-libs=HLIBS use libs HLIBS when linking for host
208 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
209 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
210 --extra-libs=ELIBS add ELIBS [$ELIBS]
211 --extra-version=STRING version string suffix []
212 --build-suffix=SUFFIX library name suffix []
213 --arch=ARCH select architecture [$arch]
214 --cpu=CPU select the minimum required CPU (affects
215 instruction selection, may crash on older CPUs)
216 --enable-powerpc-perf enable performance report on PPC
217 (requires enabling PMC)
c8a4ae00 218 --disable-asm disable all assembler optimizations
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219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
4ae40685 236 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 237 --enable-sram allow use of on-chip SRAM
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238
239Developer options (useful when working on FFmpeg itself):
240 --disable-debug disable debugging symbols
241 --enable-debug=LEVEL set the debug level [$debuglevel]
242 --enable-gprof enable profiling with gprof [$gprof]
243 --disable-optimizations disable compiler optimizations
244 --enable-extra-warnings enable more compiler warnings
245 --disable-stripping disable stripping of executables and shared libraries
2fad0977 246 --samples=PATH location of test samples for FATE
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247
248NOTE: Object files are built at the place where configure is launched.
249EOF
60e8bc13 250 exit 0
74c53c2d 251}
cf9d24ad 252
57bd82d4 253log(){
2270b4b2 254 echo "$@" >> $logfile
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255}
256
720c69da 257log_file(){
c8e9f801 258 log BEGIN $1
2270b4b2 259 pr -n -t $1 >> $logfile
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260 log END $1
261}
262
2ba042a7 263echolog(){
c8e9f801 264 log "$@"
57bd82d4 265 echo "$@"
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266}
267
268die(){
269 echolog "$@"
270 cat <<EOF
d326cf7f 271
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272If you think configure made a mistake, make sure you are using the latest
273version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 274ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 275EOF
e155a21a 276 if disabled logging; then
2ba042a7 277 cat <<EOF
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278Rerun configure with logging enabled (do not use --disable-logging), and
279include the log this produces with your report.
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280EOF
281 else
282cat <<EOF
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283Include the log file "$logfile" produced by configure as this will help
284solving the problem.
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285EOF
286 fi
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287 exit 1
288}
289
6c6007d6 290# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 291toupper(){
6c6007d6 292 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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293}
294
4a5444db 295tolower(){
6c6007d6 296 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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297}
298
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299c_escape(){
300 echo "$*" | sed 's/["\\]/\\\0/g'
301}
302
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303sh_quote(){
304 v=$(echo "$1" | sed "s/'/'\\\\''/g")
305 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
306 echo "$v"
307}
308
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309filter(){
310 pat=$1
311 shift
312 for v; do
98ef6079 313 eval "case $v in $pat) echo $v ;; esac"
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314 done
315}
316
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317map(){
318 m=$1
319 shift
e0e335a0 320 for v; do eval $m; done
36e2dea0
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321}
322
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323set_all(){
324 value=$1
325 shift
326 for var in $*; do
327 eval $var=$value
328 done
329}
330
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331set_weak(){
332 value=$1
333 shift
334 for var; do
335 eval : \${$var:=$value}
336 done
337}
338
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339pushvar(){
340 for var in $*; do
341 eval level=\${${var}_level:=0}
342 eval ${var}_${level}="\$$var"
343 eval ${var}_level=$(($level+1))
344 done
345}
346
347popvar(){
348 for var in $*; do
349 eval level=\${${var}_level:-0}
350 test $level = 0 && continue
351 eval level=$(($level-1))
352 eval $var="\${${var}_${level}}"
353 eval ${var}_level=$level
354 eval unset ${var}_${level}
355 done
356}
357
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358enable(){
359 set_all yes $*
360}
361
362disable(){
363 set_all no $*
364}
365
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366enable_weak(){
367 set_weak yes $*
368}
369
370disable_weak(){
371 set_weak no $*
372}
373
72702705 374enable_safe(){
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375 for var; do
376 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
377 done
72702705
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378}
379
380disable_safe(){
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381 for var; do
382 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
383 done
72702705
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384}
385
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386do_enable_deep(){
387 for var; do
388 enabled $var && continue
389 eval sel="\$${var}_select"
c510c7b5
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390 eval sgs="\$${var}_suggest"
391 pushvar var sgs
f9d328da 392 enable_deep $sel
c510c7b5
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393 popvar sgs
394 enable_deep_weak $sgs
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395 popvar var
396 done
397}
398
399enable_deep(){
400 do_enable_deep $*
401 enable $*
402}
403
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404enable_deep_weak(){
405 do_enable_deep $*
406 enable_weak $*
407}
408
57bd82d4 409enabled(){
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410 test "${1#!}" = "$1" && op== || op=!=
411 eval test "x\$${1#!}" $op "xyes"
44161118
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412}
413
37970ebf 414disabled(){
3250003c
MR
415 test "${1#!}" = "$1" && op== || op=!=
416 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
417}
418
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419enabled_all(){
420 for opt; do
421 enabled $opt || return 1
422 done
423}
424
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425disabled_all(){
426 for opt; do
427 disabled $opt || return 1
428 done
429}
430
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431enabled_any(){
432 for opt; do
433 enabled $opt && return 0
434 done
435}
436
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437disabled_any(){
438 for opt; do
439 disabled $opt && return 0
440 done
f7b230a7 441 return 1
85bca2c5
DB
442}
443
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444set_default(){
445 for opt; do
88268e94 446 eval : \${$opt:=\$${opt}_default}
c9d19248
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447 done
448}
449
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450is_in(){
451 value=$1
452 shift
453 for var in $*; do
454 [ $var = $value ] && return 0
455 done
456 return 1
457}
458
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459check_deps(){
460 for cfg; do
3250003c 461 cfg="${cfg#!}"
799c9e9b
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462 enabled ${cfg}_checking && die "Circular dependency for $cfg."
463 disabled ${cfg}_checking && continue
464 enable ${cfg}_checking
465
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466 eval dep_all="\$${cfg}_deps"
467 eval dep_any="\$${cfg}_deps_any"
7ef3425f 468 eval dep_sel="\$${cfg}_select"
c510c7b5 469 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
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470 eval dep_ifa="\$${cfg}_if"
471 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 472
3d7453e0
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473 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
474 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
475 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 476
3d7453e0
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477 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
478 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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479 enabled_all $dep_all || disable $cfg
480 enabled_any $dep_any || disable $cfg
7ef3425f 481 disabled_any $dep_sel && disable $cfg
799c9e9b 482
4ec45764
RP
483 if enabled $cfg; then
484 eval dep_extralibs="\$${cfg}_extralibs"
485 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 486 enable_deep $dep_sel
c510c7b5 487 enable_deep_weak $dep_sgs
4ec45764
RP
488 fi
489
799c9e9b 490 disable ${cfg}_checking
30fd06be
MR
491 done
492}
493
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494print_config(){
495 pfx=$1
496 header=$2
497 makefile=$3
498 shift 3
499 for cfg; do
5e622c40 500 ucname="$(toupper $cfg)"
44161118 501 if enabled $cfg; then
3d907e22 502 echo "#define ${pfx}${ucname} 1" >> $header
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503 echo "${pfx}${ucname}=yes" >> $makefile
504 else
b250f9c6 505 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 506 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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507 fi
508 done
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509}
510
511flags_saved(){
2270b4b2 512 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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513}
514
dcd479c0 515save_flags(){
57bd82d4 516 flags_saved && return
dcd479c0
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517 SAVE_CFLAGS="$CFLAGS"
518 SAVE_LDFLAGS="$LDFLAGS"
519 SAVE_extralibs="$extralibs"
520}
521
522restore_flags(){
f5d28d10 523 flags_saved || return
dcd479c0
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524 CFLAGS="$SAVE_CFLAGS"
525 LDFLAGS="$SAVE_LDFLAGS"
526 extralibs="$SAVE_extralibs"
527 unset SAVE_CFLAGS
528 unset SAVE_LDFLAGS
529 unset SAVE_extralibs
530}
531
532temp_cflags(){
533 save_flags
534 CFLAGS="$CFLAGS $*"
535}
536
537temp_ldflags(){
538 save_flags
539 LDFLAGS="$LDFLAGS $*"
540}
541
542temp_extralibs(){
543 save_flags
544 extralibs="$extralibs $*"
545}
546
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547append(){
548 var=$1
549 shift
550 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
551 eval "$var=\"\$$var $*\""
552}
553
50a334e4 554add_cppflags(){
caf458dd 555 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
556}
557
57bd82d4 558add_cflags(){
caf458dd 559 append CFLAGS $($filter_cflags "$@")
57bd82d4
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560}
561
2f2e6c7c 562add_asflags(){
caf458dd 563 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
564}
565
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566add_ldflags(){
567 append LDFLAGS "$@"
568}
569
570add_extralibs(){
571 append extralibs "$@"
572}
573
b0cfb663 574check_cmd(){
b3cb5d51 575 log "$@"
2270b4b2 576 "$@" >> $logfile 2>&1
b0cfb663
MR
577}
578
dcd479c0 579check_cc(){
57bd82d4 580 log check_cc "$@"
2270b4b2 581 cat > $TMPC
720c69da 582 log_file $TMPC
50a334e4 583 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
584}
585
586check_cpp(){
587 log check_cpp "$@"
2270b4b2 588 cat > $TMPC
720c69da 589 log_file $TMPC
9e7f3277 590 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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591}
592
f65883c8
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593check_as(){
594 log check_as "$@"
595 cat > $TMPC
596 log_file $TMPC
2f2e6c7c 597 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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598}
599
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600check_asm(){
601 log check_asm "$@"
602 name="$1"
3784e82e 603 code="$2"
940f335a 604 shift 2
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605 disable $name
606 check_as "$@" <<EOF && enable $name
3784e82e 607void foo(void){ __asm__ volatile($code); }
940f335a
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608EOF
609}
610
304d586d
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611check_yasm(){
612 log check_yasm "$@"
613 echo "$1" > $TMPS
614 log_file $TMPS
615 shift 1
616 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
617}
618
dcd479c0 619check_ld(){
57bd82d4 620 log check_ld "$@"
3155a644
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621 flags=''
622 libs=''
623 for f; do
624 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
625 done
2a194acd 626 check_cc $($filter_cflags $flags) || return
684b28e0 627 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
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628}
629
50a334e4
MR
630check_cppflags(){
631 log check_cppflags "$@"
caf458dd
MR
632 set -- $($filter_cppflags "$@")
633 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
634int x;
635EOF
636}
637
dcd479c0 638check_cflags(){
57bd82d4 639 log check_cflags "$@"
caf458dd
MR
640 set -- $($filter_cflags "$@")
641 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
642int x;
643EOF
644}
645
2ed46eea
MR
646test_ldflags(){
647 log test_ldflags "$@"
648 check_ld "$@" <<EOF
c23a0ac8 649int main(void){ return 0; }
dcd479c0
MR
650EOF
651}
652
2ed46eea
MR
653check_ldflags(){
654 log check_ldflags "$@"
655 test_ldflags "$@" && add_ldflags "$@"
656}
657
dcd479c0 658check_header(){
57bd82d4 659 log check_header "$@"
dcd479c0
MR
660 header=$1
661 shift
b77df637
MR
662 disable_safe $header
663 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
664#include <$header>
665int x;
666EOF
667}
668
669check_func(){
57bd82d4 670 log check_func "$@"
dcd479c0
MR
671 func=$1
672 shift
d8bc5f06
MR
673 disable $func
674 check_ld "$@" <<EOF && enable $func
dcd479c0 675extern int $func();
c23a0ac8 676int main(void){ $func(); }
dcd479c0
MR
677EOF
678}
679
645d2652 680check_mathfunc(){
6b73c0ae 681 log check_mathfunc "$@"
645d2652
MR
682 func=$1
683 shift
684 disable $func
685 check_ld "$@" <<EOF && enable $func
686#include <math.h>
33bd38db
MR
687float foo(float f) { return $func(f); }
688int main(void){ return 0; }
645d2652
MR
689EOF
690}
691
2446d3d6
DB
692check_func_headers(){
693 log check_func_headers "$@"
f8d7b072
MR
694 headers=$1
695 func=$2
696 shift 2
697 disable $func
698 incs=""
699 for hdr in $headers; do
700 incs="$incs
701#include <$hdr>"
702 done
cd0d9a9d 703 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 704$incs
d6773f56 705int main(int argc, char **argv){
2b2c2a81 706 return (long) $func;
f8d7b072
MR
707}
708EOF
709}
710
a5344cf7
SS
711check_cpp_condition(){
712 log check_cpp_condition "$@"
713 header=$1
714 condition=$2
f855b7b9
MR
715 shift 2
716 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
717#include <$header>
718#if !($condition)
719#error "unsatisfied condition: $condition"
720#endif
721EOF
722}
723
57bd82d4
MR
724check_lib(){
725 log check_lib "$@"
726 header="$1"
727 func="$2"
728 shift 2
fcfcde17
MR
729 temp_extralibs "$@"
730 check_header $header && check_func $func && add_extralibs "$@"
731 err=$?
732 restore_flags
733 return $err
57bd82d4
MR
734}
735
f8d7b072
MR
736check_lib2(){
737 log check_lib2 "$@"
738 headers="$1"
739 func="$2"
740 shift 2
300cde27 741 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
742}
743
dcd479c0 744check_exec(){
2270b4b2 745 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
746}
747
7dfef245 748check_exec_crash(){
5e622c40 749 code=$(cat)
7dfef245
MR
750
751 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
752 # are safe but may not be available everywhere. Thus we use
753 # raise(SIGTERM) instead. The check is run in a subshell so we
754 # can redirect the "Terminated" message from the shell. SIGBUS
755 # is not defined by standard C so it is used conditionally.
756
2270b4b2 757 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
758#include <signal.h>
759static void sighandler(int sig){
760 raise(SIGTERM);
761}
e5af4a11 762int main(void){
7dfef245
MR
763 signal(SIGILL, sighandler);
764 signal(SIGFPE, sighandler);
765 signal(SIGSEGV, sighandler);
766#ifdef SIGBUS
767 signal(SIGBUS, sighandler);
768#endif
769 { $code }
770}
771EOF
772}
773
72be9e73
DY
774check_type(){
775 log check_type "$@"
776 headers=$1
777 type=$2
778 shift 2
ae550ce9 779 disable_safe "$type"
72be9e73
DY
780 incs=""
781 for hdr in $headers; do
782 incs="$incs
783#include <$hdr>"
784 done
ae550ce9 785 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
786$incs
787$type v;
788EOF
789}
790
14d36751
MR
791check_struct(){
792 log check_type "$@"
793 headers=$1
794 struct=$2
795 member=$3
796 shift 3
797 disable_safe "${struct}_${member}"
798 incs=""
799 for hdr in $headers; do
800 incs="$incs
801#include <$hdr>"
802 done
803 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
804$incs
805const void *p = &(($struct *)0)->$member;
806EOF
807}
808
57bd82d4
MR
809require(){
810 name="$1"
811 header="$2"
812 func="$3"
813 shift 3
814 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
815}
816
f8d7b072
MR
817require2(){
818 name="$1"
819 headers="$2"
820 func="$3"
821 shift 3
822 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
823}
824
eea50282
MR
825check_foo_config(){
826 cfg=$1
827 pkg=$2
828 header=$3
829 func=$4
830 shift 4
831 disable $cfg
832 check_cmd ${pkg}-config --version
833 err=$?
834 if test "$err" = 0; then
5e622c40
DB
835 temp_cflags $(${pkg}-config --cflags)
836 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
837 check_lib "$@" $header $func && enable $cfg
838 fi
839 return $err
840}
841
f0125de9
MR
842check_host_cc(){
843 log check_host_cc "$@"
844 cat > $TMPC
845 log_file $TMPC
846 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
847}
848
849check_host_cflags(){
850 log check_host_cflags "$@"
851 check_host_cc "$@" <<EOF && append host_cflags "$@"
852int x;
853EOF
854}
855
c505dd31
MR
856apply(){
857 file=$1
858 shift
859 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
860}
861
c34681df
MR
862cp_if_changed(){
863 cmp -s "$1" "$2" &&
864 echo "$2 is unchanged" ||
865 cp -f "$1" "$2"
866}
867
dcd61286
DB
868# CONFIG_LIST contains configurable options, while HAVE_LIST is for
869# system-dependent things.
870
4a0d6686
AJ
871COMPONENT_LIST="
872 bsfs
873 decoders
874 demuxers
875 encoders
3cde40aa 876 filters
5666fd73 877 hwaccels
c552605c 878 indevs
4a0d6686 879 muxers
c552605c 880 outdevs
4a0d6686
AJ
881 parsers
882 protocols
883"
884
885CONFIG_LIST="
886 $COMPONENT_LIST
e8ed9b7a 887 aandct
5a0f7131
MR
888 avcodec
889 avdevice
f7679c54
VS
890 avfilter
891 avfilter_lavf
5a0f7131 892 avformat
c88f5d72
MR
893 avisynth
894 beos_netserver
f402916e 895 bzlib
7f3f5f46 896 dct
c73f65d9 897 doc
05aec7bb 898 dwt
92c6a099 899 dxva2
27a9466b 900 fastdiv
c88f5d72
MR
901 ffmpeg
902 ffplay
336ce917 903 ffprobe
c88f5d72 904 ffserver
1848f7d9 905 fft
4f034993 906 golomb
c88f5d72 907 gpl
ecfc4f44 908 gprof
d8d0d0b2 909 gray
4693b031 910 h264dsp
3abe5fbd 911 hardcoded_tables
f7b8bffe 912 libdc1394
690bfceb 913 libdirac
2eed5a46
DB
914 libfaac
915 libfaad
916 libfaadbin
c88f5d72 917 libgsm
6ebe07fb 918 libmp3lame
c88f5d72 919 libnut
0b175caa
DB
920 libopencore_amrnb
921 libopencore_amrwb
9a77d59a 922 libopenjpeg
f7cd9eed 923 libschroedinger
ae14f311 924 libspeex
150d2772 925 libtheora
c88f5d72 926 libvorbis
1cc60c47
DB
927 libx264
928 libxvid
f4d608e3 929 lpc
b781cc12 930 lsp
47a158cb 931 mdct
c88f5d72 932 memalign_hack
a8150374 933 mlib
c88f5d72
MR
934 mpegaudio_hp
935 network
3fe142e2 936 nonfree
8a3c8627 937 pic
4a24ab64 938 postproc
2b4c3615 939 powerpc_perf
68602540 940 rdft
e90f5b5a 941 runtime_cpudetect
2e35e684 942 shared
bd2216e4 943 small
6b35d421 944 sram
2e35e684 945 static
5a0f7131 946 swscale
a9ddb5b1 947 swscale_alpha
17492d5e
DB
948 vaapi
949 vdpau
9cad0e4e 950 version3
56a059ac 951 x11grab
c88f5d72 952 zlib
4a0d6686 953"
c88f5d72 954
8eee7025
DB
955THREADS_LIST='
956 beosthreads
d22e8442 957 os2threads
8eee7025
DB
958 pthreads
959 w32threads
960'
961
3f5b56e5
MR
962ARCH_LIST='
963 alpha
a2fc0f6a 964 arm
fdcd782d
MR
965 avr32
966 avr32_ap
967 avr32_uc
3f5b56e5
MR
968 bfin
969 ia64
970 m68k
971 mips
bae3abb0 972 mips64
3f5b56e5 973 parisc
79cb09b2 974 ppc
34d11b87 975 ppc64
3f5b56e5
MR
976 s390
977 sh4
978 sparc
979 sparc64
0844bae1 980 tomi
3f5b56e5
MR
981 x86
982 x86_32
983 x86_64
984'
985
986ARCH_EXT_LIST='
1ac9331a 987 altivec
3bf96eec 988 amd3dnow
a1ef9f08 989 amd3dnowext
1ac9331a 990 armv5te
edab3048 991 armv6
ab5cb084 992 armv6t2
f55b299a 993 armvfp
3f5b56e5
MR
994 iwmmxt
995 mmi
996 mmx
d7f0920b 997 mmx2
6b18d278 998 neon
799fde37 999 ppc4xx
1bb04d5a 1000 sse
9eeed841 1001 ssse3
bd9d34a0 1002 vis
3f5b56e5
MR
1003'
1004
a3e02a8c
MR
1005HAVE_LIST_PUB='
1006 bigendian
1007'
1008
3f5b56e5
MR
1009HAVE_LIST="
1010 $ARCH_EXT_LIST
a3e02a8c 1011 $HAVE_LIST_PUB
3f5b56e5 1012 $THREADS_LIST
35fd8122 1013 alsa_asoundlib_h
3f5b56e5 1014 altivec_h
c9fdab0d 1015 arpa_inet_h
dffb41b9 1016 attribute_may_alias
e7ea5e3d 1017 attribute_packed
6bd859d6 1018 bswap
ecf97f22 1019 closesocket
1ac9331a 1020 cmov
e16e49ac 1021 conio_h
c88f5d72 1022 dcbzl
f8aa696f
DB
1023 dev_bktr_ioctl_bt848_h
1024 dev_bktr_ioctl_meteor_h
1025 dev_ic_bt8xx_h
1026 dev_video_meteor_ioctl_meteor_h
1027 dev_video_bktr_ioctl_bt848_h
18b67ae5 1028 dlfcn_h
c88f5d72 1029 dlopen
bc574408 1030 dos_paths
245626d0
DB
1031 ebp_available
1032 ebx_available
6b7c7703
VS
1033 exp2
1034 exp2f
c2a29455 1035 fast_64bit
669b5583 1036 fast_clz
7073e9fc 1037 fast_cmov
7b829d2a 1038 fast_unaligned
9d99cc5a 1039 fork
84882df6 1040 getaddrinfo
da9e86f8 1041 gethrtime
fc5607f8 1042 GetProcessMemoryInfo
4e68cb8a 1043 GetProcessTimes
66be5b45 1044 getrusage
fc5607f8 1045 struct_rusage_ru_maxrss
2e1913b1 1046 inet_aton
61d251db 1047 inline_asm
abfc8d05 1048 isatty
9f5ff83f 1049 ldbrx
0b4a1821
AS
1050 libdc1394_1
1051 libdc1394_2
a33cab3a 1052 llrint
d96cd429
MR
1053 local_aligned_16
1054 local_aligned_8
291fd18a 1055 log2
6b7c7703 1056 log2f
85dd97ad 1057 loongson
a33cab3a 1058 lrint
c88f5d72 1059 lrintf
e4673692 1060 lzo1x_999_compress
f8aa696f
DB
1061 machine_ioctl_bt848_h
1062 machine_ioctl_meteor_h
c88f5d72
MR
1063 malloc_h
1064 memalign
6ffa87d3 1065 mkstemp
b4e806b2 1066 pld
1f91cdce 1067 posix_memalign
a33cab3a
MK
1068 round
1069 roundf
c88f5d72
MR
1070 sdl
1071 sdl_video_size
b507ebd1 1072 setmode
72be9e73 1073 socklen_t
deb29777 1074 soundcard_h
f8cda19e 1075 poll_h
0104b608 1076 setrlimit
87958234 1077 strerror_r
c0018613 1078 struct_addrinfo
b4d68544
MS
1079 struct_ipv6_mreq
1080 struct_sockaddr_in6
3b2372bf 1081 struct_sockaddr_sa_len
33a4dbdd 1082 struct_sockaddr_storage
b58412f1 1083 sys_mman_h
b091aa44 1084 sys_resource_h
81644c2e 1085 sys_select_h
deb29777 1086 sys_soundcard_h
1b6e8b73 1087 sys_videoio_h
d3a4b4e0 1088 ten_operands
e16e49ac 1089 termios_h
b265431e 1090 threads
7b04b8a0 1091 truncf
ce742de2 1092 vfp_args
7c5bfe7a 1093 VirtualAlloc
6ff3f3e7 1094 winsock2_h
cc078b5d 1095 xform_asm
304d586d 1096 yasm
0cb78cef 1097"
44161118 1098
b6bb00b0
MR
1099# options emitted with CONFIG_ prefix but not available on command line
1100CONFIG_EXTRA="
dc4f5a1c 1101 avutil
9cad0e4e
DB
1102 gplv3
1103 lgplv3
b6bb00b0
MR
1104"
1105
520cc7f1 1106CMDLINE_SELECT="
3f5b56e5 1107 $ARCH_EXT_LIST
520cc7f1 1108 $CONFIG_LIST
8eee7025 1109 $THREADS_LIST
c8a4ae00 1110 asm
db6107b6 1111 cross_compile
520cc7f1
MR
1112 debug
1113 extra_warnings
8c6afa4d 1114 logging
d2bbb2f7 1115 optimizations
87a0fb62 1116 stripping
7595a5e4 1117 yasm
520cc7f1 1118"
426be5dc
DB
1119
1120PATHS_LIST='
d156bede 1121 bindir
14a8acf1 1122 datadir
26759c44
MR
1123 incdir
1124 libdir
26759c44
MR
1125 mandir
1126 prefix
1127 shlibdir
426be5dc
DB
1128'
1129
1130CMDLINE_SET="
1131 $PATHS_LIST
1132 arch
313c46a6 1133 as
426be5dc
DB
1134 build_suffix
1135 cc
1136 cpu
1137 cross_prefix
50567afa 1138 dep_cc
ac63af34 1139 extra_version
9da6609f
MR
1140 host_cc
1141 host_cflags
1142 host_ldflags
1143 host_libs
82bb3329 1144 host_os
684b28e0 1145 ld
426be5dc 1146 logfile
4ae40685 1147 malloc_prefix
89641463 1148 nm
2fad0977 1149 samples
26759c44 1150 source_path
4f837398 1151 strip
c5200f17
MR
1152 sysinclude
1153 sysroot
a7ada2ba 1154 target_exec
26759c44 1155 target_os
a7ada2ba 1156 target_path
426be5dc 1157"
520cc7f1 1158
89f2932b
MR
1159CMDLINE_APPEND="
1160 extra_cflags
1161"
1162
912f3148
DB
1163# code dependency declarations
1164
9eeed841 1165# architecture extensions
808fa33c 1166
a2fc0f6a
MR
1167armv5te_deps="arm"
1168armv6_deps="arm"
ab5cb084 1169armv6t2_deps="arm"
a2fc0f6a
MR
1170armvfp_deps="arm"
1171iwmmxt_deps="arm"
808fa33c
MR
1172neon_deps="arm"
1173
e241ba14 1174mmi_deps="mips"
808fa33c
MR
1175
1176altivec_deps="ppc"
1177ppc4xx_deps="ppc"
1178
1179vis_deps="sparc"
1180
7f8c3d1f 1181x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1182amd3dnow_deps="mmx"
1183amd3dnowext_deps="amd3dnow"
9eeed841 1184mmx_deps="x86"
75aa95a6 1185mmx2_deps="mmx"
75aa95a6
DB
1186sse_deps="mmx"
1187ssse3_deps="sse"
9eeed841 1188
e939cedd 1189fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1190fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1191fast_unaligned_if_any="armv6 ppc x86"
669b5583 1192
89e053f8 1193need_memalign="altivec neon sse"
6fec122a 1194inline_asm_deps="!tms470"
89e053f8 1195
26fbcc85
MR
1196# subsystems
1197mdct_select="fft"
1198rdft_select="fft"
1199
5666fd73 1200# decoders / encoders / hardware accelerators
49351479 1201aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1202aac_encoder_select="mdct"
1203ac3_decoder_select="mdct ac3_parser"
f4d608e3 1204alac_encoder_select="lpc"
b781cc12 1205amrnb_decoder_select="lsp"
084cbbaa 1206atrac1_decoder_select="mdct"
26fbcc85
MR
1207atrac3_decoder_select="mdct"
1208binkaudio_dct_decoder_select="mdct rdft dct"
1209binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1210cavs_decoder_select="golomb"
26fbcc85 1211cook_decoder_select="mdct"
2eef7c62 1212cscd_decoder_suggest="zlib"
26fbcc85 1213dca_decoder_select="mdct"
e8ed9b7a 1214dnxhd_encoder_select="aandct"
2eef7c62 1215dxa_decoder_select="zlib"
baf91bb9 1216eac3_decoder_select="ac3_decoder"
84c04e25 1217eamad_decoder_select="aandct"
e8ed9b7a 1218eatgq_decoder_select="aandct"
d52b39c7 1219eatqi_decoder_select="aandct"
4f034993
MR
1220ffv1_decoder_select="golomb"
1221flac_decoder_select="golomb"
f4d608e3 1222flac_encoder_select="golomb lpc"
2eef7c62
AJ
1223flashsv_decoder_select="zlib"
1224flashsv_encoder_select="zlib"
4414137e 1225flv_decoder_select="h263_decoder"
4d4b4bd1 1226flv_encoder_select="h263_encoder"
e8ed9b7a 1227h261_encoder_select="aandct"
7f647ae0 1228h263_decoder_select="h263_parser"
e8ed9b7a 1229h263_encoder_select="aandct"
ff418735 1230h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1231h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1232h263i_decoder_select="h263_decoder"
fe629c2d 1233h263p_encoder_select="h263_encoder"
4693b031 1234h264_decoder_select="golomb h264dsp"
92c6a099
LA
1235h264_dxva2_hwaccel_deps="dxva2api_h"
1236h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1237h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1238h264_vaapi_hwaccel_select="vaapi"
711dae77 1239h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1240h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1241imc_decoder_select="fft mdct"
4f034993
MR
1242jpegls_decoder_select="golomb"
1243jpegls_encoder_select="golomb"
e8ed9b7a 1244ljpeg_encoder_select="aandct"
4f034993 1245loco_decoder_select="golomb"
e8ed9b7a 1246mjpeg_encoder_select="aandct"
2cca233b 1247mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1248mpeg1video_encoder_select="aandct"
1249mpeg2video_encoder_select="aandct"
4414137e 1250mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1251mpeg4_encoder_select="h263_encoder"
711dae77 1252mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1253mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1254mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1255mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1256mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1257mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1258mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1259mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1260mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1261mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1262mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1263mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1264msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1265msmpeg4v1_encoder_select="h263_encoder"
4414137e 1266msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1267msmpeg4v2_encoder_select="h263_encoder"
4414137e 1268msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1269msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1270nellymoser_decoder_select="mdct"
1271nellymoser_encoder_select="mdct"
2eef7c62
AJ
1272png_decoder_select="zlib"
1273png_encoder_select="zlib"
b781cc12 1274qcelp_decoder_select="lsp"
26fbcc85 1275qdm2_decoder_select="mdct rdft"
a8beb22f 1276rv10_decoder_select="h263_decoder"
b2bf38b4 1277rv10_encoder_select="h263_encoder"
a8beb22f 1278rv20_decoder_select="h263_decoder"
b2bf38b4 1279rv20_encoder_select="h263_encoder"
4693b031
MR
1280rv30_decoder_select="golomb h264dsp"
1281rv40_decoder_select="golomb h264dsp"
4f034993 1282shorten_decoder_select="golomb"
b781cc12 1283sipr_decoder_select="lsp"
05aec7bb
MR
1284snow_decoder_select="dwt"
1285snow_encoder_select="aandct dwt"
4f034993
MR
1286sonic_decoder_select="golomb"
1287sonic_encoder_select="golomb"
1288sonic_ls_encoder_select="golomb"
19ecfb8a 1289svq1_encoder_select="aandct"
4693b031 1290svq3_decoder_select="golomb h264dsp"
bee2eac5 1291svq3_decoder_suggest="zlib"
4eef77c1 1292theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1293tiff_decoder_suggest="zlib"
1294tiff_encoder_suggest="zlib"
aec09a00 1295truehd_decoder_select="mlp_decoder"
2eef7c62 1296tscc_decoder_select="zlib"
b781cc12 1297twinvq_decoder_select="mdct lsp"
f95bfab0 1298vc1_decoder_select="h263_decoder"
9104cd51 1299vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1300vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1301vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1302vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1303vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1304vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1305vorbis_decoder_select="mdct"
1306vorbis_encoder_select="mdct"
e82dc4c9
DB
1307vp6a_decoder_select="vp6_decoder"
1308vp6f_decoder_select="vp6_decoder"
084cbbaa 1309wmapro_decoder_select="mdct"
26fbcc85
MR
1310wmav1_decoder_select="mdct"
1311wmav1_encoder_select="mdct"
1312wmav2_decoder_select="mdct"
1313wmav2_encoder_select="mdct"
b781cc12 1314wmavoice_decoder_select="lsp"
f95bfab0 1315wmv1_decoder_select="h263_decoder"
665507aa 1316wmv1_encoder_select="h263_encoder"
f95bfab0 1317wmv2_decoder_select="h263_decoder"
1746e2a9 1318wmv2_encoder_select="h263_encoder"
015f8ee0 1319wmv3_decoder_select="vc1_decoder"
f0f86627 1320wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1321wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1322wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1323zlib_decoder_select="zlib"
1324zlib_encoder_select="zlib"
1325zmbv_decoder_select="zlib"
1326zmbv_encoder_select="zlib"
30fd06be 1327
28b80940 1328# parsers
4693b031 1329h264_parser_select="golomb h264dsp"
28b80940 1330
f1e94694
DB
1331# bitstream_filters
1332aac_adtstoasc_bsf_select="aac_parser"
1333
912f3148 1334# external libraries
1b71f045 1335libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1336libdirac_encoder_deps="libdirac"
c9171a83 1337libfaac_encoder_deps="libfaac"
69ddbd1d 1338libfaad_decoder_deps="libfaad"
4ec45764 1339libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1340libgsm_decoder_deps="libgsm"
1341libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1342libgsm_ms_decoder_deps="libgsm"
1343libgsm_ms_encoder_deps="libgsm"
1cc60c47 1344libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1345libopencore_amrnb_decoder_deps="libopencore_amrnb"
1346libopencore_amrnb_encoder_deps="libopencore_amrnb"
1347libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1348libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1349libschroedinger_decoder_deps="libschroedinger"
1350libschroedinger_encoder_deps="libschroedinger"
ae14f311 1351libspeex_decoder_deps="libspeex"
150d2772 1352libtheora_encoder_deps="libtheora"
b0caf888 1353libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1354libx264_encoder_deps="libx264"
1355libxvid_encoder_deps="libxvid"
30fd06be 1356
912f3148 1357# demuxers / muxers
03a76ba9 1358ac3_demuxer_deps="ac3_parser"
647c2356 1359asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1360avisynth_demuxer_deps="avisynth"
1361dirac_demuxer_deps="dirac_parser"
5b423887 1362eac3_demuxer_select="ac3_parser"
647c2356 1363ipod_muxer_select="mov_muxer"
4e622dea
SS
1364libnut_demuxer_deps="libnut"
1365libnut_muxer_deps="libnut"
647c2356 1366matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1367matroska_demuxer_suggest="zlib bzlib"
1368mov_demuxer_suggest="zlib"
1369mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1370mp4_muxer_select="mov_muxer"
1371mpegtsraw_demuxer_select="mpegts_demuxer"
1372mxf_d10_muxer_select="mxf_muxer"
24ca518b 1373ogg_demuxer_select="golomb"
647c2356 1374psp_muxer_select="mov_muxer"
4e622dea 1375rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1376rtsp_muxer_deps="sdp_demuxer"
1377rtsp_muxer_select="rtp_muxer"
4e622dea 1378sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1379sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1380spdif_muxer_select="aac_parser"
647c2356
DB
1381tg2_muxer_select="mov_muxer"
1382tgp_muxer_select="mov_muxer"
6bdaa5f4 1383w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1384
1385# indevs / outdevs
38e54a75
SS
1386alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1387alsa_indev_extralibs="-lasound"
1388alsa_outdev_deps="alsa_asoundlib_h"
1389alsa_outdev_extralibs="-lasound"
1390audio_beos_indev_deps="audio_beos"
1391audio_beos_indev_extralibs="-lmedia -lbe"
1392audio_beos_outdev_deps="audio_beos"
1393audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1394bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1395dv1394_indev_deps="dv1394 dv_demuxer"
1396jack_indev_deps="jack_jack_h"
1397jack_indev_extralibs="-ljack"
1398libdc1394_indev_deps="libdc1394"
38e54a75
SS
1399oss_indev_deps_any="soundcard_h sys_soundcard_h"
1400oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1401v4l_indev_deps="linux_videodev_h"
1402v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1403vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1404vfwcap_indev_extralibs="-lavicap32"
38e54a75 1405x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1406x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1407
912f3148 1408# protocols
3fff6382 1409gopher_protocol_deps="network"
c08fb000 1410http_protocol_deps="network"
279a0c97 1411http_protocol_select="tcp_protocol"
cbf29889 1412rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1413rtp_protocol_deps="udp_protocol"
1414tcp_protocol_deps="network"
1415udp_protocol_deps="network"
1416
f7679c54 1417# filters
81124ba0 1418movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1419avfilter_lavf_deps="avformat"
1420
1421# libraries
1422avdevice_deps="avcodec avformat"
1423avformat_deps="avcodec"
f7679c54 1424
912f3148 1425# programs
5a0f7131
MR
1426ffmpeg_deps="avcodec avformat swscale"
1427ffplay_deps="avcodec avformat swscale sdl"
43689902 1428ffplay_select="rdft"
336ce917 1429ffprobe_deps="avcodec avformat"
5a0f7131 1430ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1431ffserver_extralibs='$ldl'
a2830dca 1432
c73f65d9 1433doc_deps="texi2html"
912f3148 1434
de6d9b64 1435# default parameters
8a608357 1436
2ba042a7 1437logfile="config.err"
8a608357
MR
1438
1439# installation paths
c9d19248
MR
1440prefix_default="/usr/local"
1441bindir_default='${prefix}/bin'
14a8acf1 1442datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1443incdir_default='${prefix}/include'
1444libdir_default='${prefix}/lib'
1445mandir_default='${prefix}/share/man'
1446shlibdir_default="$libdir_default"
8a608357
MR
1447
1448# toolchain
11e6d03a 1449ar="ar"
13c7df3d 1450cc_default="gcc"
a3d7c197 1451cc_version=\"unknown\"
9da6609f 1452host_cc_default="gcc"
11e6d03a 1453ln_s="ln -sf"
89641463 1454nm_default="nm"
11e6d03a 1455objformat="elf"
be7109c1 1456ranlib="ranlib"
4f837398 1457strip_default="strip"
11e6d03a 1458yasmexe="yasm"
8a608357 1459
8182dc34
MR
1460nm_opts='-g'
1461
8a608357 1462# machine
8d4c00ed 1463arch_default=$(uname -m)
38d0a8aa 1464cpu="generic"
8a608357 1465
8a608357 1466# OS
8d4c00ed
MR
1467target_os_default=$(tolower $(uname -s))
1468host_os=$target_os_default
8a608357 1469
8a608357 1470# configurable options
5a0f7131
MR
1471enable avcodec
1472enable avdevice
1473enable avformat
dc4f5a1c 1474enable avutil
c8a4ae00 1475enable asm
497237c7 1476enable debug
c73f65d9 1477enable doc
aa033b1e 1478enable fastdiv
497237c7
RP
1479enable ffmpeg
1480enable ffplay
336ce917 1481enable ffprobe
497237c7 1482enable ffserver
497237c7
RP
1483enable mpegaudio_hp
1484enable network
8400d6b8 1485enable optimizations
497237c7 1486enable protocols
530dc538 1487enable static
87a0fb62 1488enable stripping
5a0f7131 1489enable swscale
a9ddb5b1 1490enable swscale_alpha
8a608357 1491
8a608357 1492# build settings
9987769a 1493SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1494FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1495LIBPREF="lib"
1496LIBSUF=".a"
c5f14466
RP
1497FULLNAME='$(NAME)$(BUILDSUF)'
1498LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1499SLIBPREF="lib"
1500SLIBSUF=".so"
c5f14466 1501SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1502SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1503SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1504LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1505
7e6c86e6
MR
1506CC_O='-o $@'
1507
f0125de9 1508host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1509host_libs='-lm'
1510
9b861379 1511target_path='$(CURDIR)'
a7ada2ba 1512
0d7dca36
DB
1513# gcc stupidly only outputs the basename of targets with -MM, but we need the
1514# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1515DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1516DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1517
c597172e 1518# find source path
5e622c40 1519source_path="$(dirname "$0")"
497237c7 1520enable source_path_used
24524f36 1521if test -f configure; then
5e622c40 1522 source_path="$(pwd)"
497237c7 1523 disable source_path_used
c597172e 1524else
5e622c40 1525 source_path="$(cd "$source_path"; pwd)"
c597172e 1526 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1527 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1528 test -e "$source_path/config.h" &&
1529 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1530fi
1531
13cbe2c0 1532for v in "$@"; do
b04251c5
MR
1533 r=${v#*=}
1534 l=${v%"$r"}
1535 r=$(sh_quote "$r")
13cbe2c0
MR
1536 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1537done
c597172e 1538
73ef8980
MR
1539find_things(){
1540 thing=$1
1541 pattern=$2
1542 file=$source_path/$3
932ccf39 1543 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1544}
1545
1546ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1547DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1548HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1549PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1550BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1551MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1552DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1553OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1554INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1555PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1556FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1557
7483e694
DB
1558enable $ARCH_EXT_LIST \
1559 $DECODER_LIST \
1560 $ENCODER_LIST \
5666fd73 1561 $HWACCEL_LIST \
7483e694
DB
1562 $PARSER_LIST \
1563 $BSF_LIST \
1564 $DEMUXER_LIST \
1565 $MUXER_LIST \
f7679c54 1566 $FILTER_LIST \
7483e694
DB
1567 $PROTOCOL_LIST \
1568 $INDEV_LIST \
1569 $OUTDEV_LIST \
c597172e
MR
1570
1571die_unknown(){
1572 echo "Unknown option \"$1\"."
1573 echo "See $0 --help for available options."
1574 exit 1
1575}
1576
794f8e97 1577show_list() {
bf0c4afa
RP
1578 suffix=_$1
1579 shift
2b444ea7 1580 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1581 exit 0
1582}
1583
c597172e 1584for opt do
7483e694
DB
1585 optval="${opt#*=}"
1586 case "$opt" in
0f010b2f 1587 --extra-ldflags=*) add_ldflags $optval
7483e694 1588 ;;
0f010b2f 1589 --extra-libs=*) add_extralibs $optval
7483e694 1590 ;;
8fb1cb58 1591 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1592 ;;
40bcf4c7
BL
1593 --enable-debug=*) debuglevel="$optval"
1594 ;;
36e2dea0 1595 --disable-everything)
e0e335a0 1596 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1597 ;;
7483e694 1598 --enable-*=*|--disable-*=*)
8b93ddc3 1599 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1600 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1601 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1602 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1603 $action $(filter "$name" $list)
7483e694
DB
1604 ;;
1605 --enable-?*|--disable-?*)
5e622c40 1606 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1607 if is_in $option $COMPONENT_LIST; then
fed5d54b 1608 test $action = disable && action=unset
e3773a55
MR
1609 eval $action \$$(toupper ${option%s})_LIST
1610 elif is_in $option $CMDLINE_SELECT; then
1611 $action $option
1612 else
1613 die_unknown $opt
1614 fi
7483e694
DB
1615 ;;
1616 --list-*)
1617 NAME="${opt#--list-}"
1618 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1619 NAME=${NAME%s}
1620 eval show_list $NAME \$$(toupper $NAME)_LIST
1621 ;;
1622 --help|-h) show_help
1623 ;;
1624 *)
884a36a7 1625 optname="${opt%%=*}"
26759c44
MR
1626 optname="${optname#--}"
1627 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1628 if is_in $optname $CMDLINE_SET; then
1629 eval $optname='$optval'
1630 elif is_in $optname $CMDLINE_APPEND; then
1631 append $optname "$optval"
1632 else
1633 die_unknown $opt
1634 fi
7483e694
DB
1635 ;;
1636 esac
c597172e
MR
1637done
1638
bcea99bb
MR
1639disabled logging && logfile=/dev/null
1640
13cbe2c0 1641echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1642set >> $logfile
1643
9da6609f
MR
1644test -n "$cross_prefix" && enable cross_compile
1645
8d4c00ed
MR
1646if enabled cross_compile; then
1647 test -n "$arch" && test -n "$target_os" ||
1648 die "Must specify target arch and OS when cross-compiling"
1649fi
1650
1651set_default arch target_os
1652
adb2b908 1653ar="${cross_prefix}${ar}"
11e6d03a 1654cc_default="${cross_prefix}${cc_default}"
20e0ed95 1655nm_default="${cross_prefix}${nm_default}"
adb2b908 1656ranlib="${cross_prefix}${ranlib}"
4f837398 1657strip_default="${cross_prefix}${strip_default}"
adb2b908 1658
c5200f17
MR
1659sysinclude_default="${sysroot}/usr/include"
1660
4f837398 1661set_default cc nm strip sysinclude
9da6609f
MR
1662enabled cross_compile || host_cc_default=$cc
1663set_default host_cc
13c7df3d 1664
82bb3329
MR
1665exesuf() {
1666 case $1 in
1667 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1668 esac
1669}
1670
1671EXESUF=$(exesuf $target_os)
1672HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1673
e4e69e0b 1674# set temporary file name
a49d42c2 1675: ${TMPDIR:=$TEMPDIR}
c51fafa1 1676: ${TMPDIR:=$TMP}
a49d42c2 1677: ${TMPDIR:=/tmp}
e4e69e0b 1678
54460a83
MR
1679if ! check_cmd type mktemp; then
1680 # simple replacement for missing mktemp
1681 # NOT SAFE FOR GENERAL USE
1682 mktemp(){
1683 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1684 }
1685fi
1686
1687tmpfile(){
1688 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1689 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1690 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1691 append TMPFILES $tmp
1692 eval $1=$tmp
1693}
1694
1695trap 'rm -f -- $TMPFILES' EXIT
1696trap exit HUP INT TERM
1697
1698tmpfile TMPC .c
1699tmpfile TMPE $EXESUF
1700tmpfile TMPH .h
1701tmpfile TMPO .o
1702tmpfile TMPS .S
a482e61b 1703tmpfile TMPV .ver
54460a83
MR
1704tmpfile TMPSH .sh
1705
1706unset -f mktemp
e4e69e0b 1707
993f2d0f
MR
1708# make sure we can execute files in $TMPDIR
1709cat > $TMPSH 2>> $logfile <<EOF
1710#! /bin/sh
1711EOF
1712chmod +x $TMPSH >> $logfile 2>&1
1713if ! $TMPSH >> $logfile 2>&1; then
1714 cat <<EOF
1715Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1716variable to another directory and make sure that it is not mounted noexec.
1717EOF
1718 die "Sanity test failed."
1719fi
993f2d0f 1720
19b4c628
MR
1721filter_cflags=echo
1722filter_cppflags=echo
1723filter_asflags=echo
1724
8f0c157a 1725if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1726 cc_type=gcc
a3d7c197 1727 cc_version=__VERSION__
aef6bd1b
MR
1728 if ! $cc -dumpversion | grep -q '^2\.'; then
1729 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1730 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1731 fi
14ca9cd0
MR
1732 speed_cflags='-O3'
1733 size_cflags='-Os'
629687f6
MR
1734elif $cc --version 2>/dev/null | grep -q Intel; then
1735 cc_type=icc
6e3fa35d 1736 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1737 CC_DEPFLAGS='-MMD'
1738 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1739 speed_cflags='-O3'
1740 size_cflags='-Os'
629687f6
MR
1741elif $cc -v 2>&1 | grep -q xlc; then
1742 cc_type=xlc
6e3fa35d 1743 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1744 speed_cflags='-O5'
1745 size_cflags='-O5 -qcompact'
df442a8d
MR
1746elif $cc -V 2>/dev/null | grep -q Compaq; then
1747 cc_type=ccc
6e3fa35d 1748 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1749 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1750 debuglevel=3
df442a8d 1751 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1752 speed_cflags='-fast'
1753 size_cflags='-O1'
6a0d5493 1754elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1755 test -d "$sysroot" || die "No valid sysroot specified."
1756 cc_type=armcc
6e3fa35d 1757 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1758 armcc_conf="$PWD/armcc.conf"
1759 $cc --arm_linux_configure \
1760 --arm_linux_config_file="$armcc_conf" \
1761 --configure_sysroot="$sysroot" \
1762 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1763 die "Error creating armcc configuration file."
1764 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1765 as_default="${cross_prefix}gcc"
07dec06e
MR
1766 CC_DEPFLAGS='-MMD'
1767 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1768 speed_cflags='-O3'
1769 size_cflags='-Os'
6fec122a
MR
1770elif $cc -version 2>/dev/null | grep -q TMS470; then
1771 cc_type=tms470
6e3fa35d 1772 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1773 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1774 CC_O='-fr=$(@D)'
1775 as_default="${cross_prefix}gcc"
1776 ld_default="${cross_prefix}gcc"
6fec122a
MR
1777 TMPO=$(basename $TMPC .c).o
1778 append TMPFILES $TMPO
1779 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1780 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1781 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1782 speed_cflags='-O3 -mf=5'
1783 size_cflags='-O3 -mf=2'
6fec122a
MR
1784 filter_cflags=tms470_flags
1785 tms470_flags(){
1786 for flag; do
1787 case $flag in
1788 -march=*|-mcpu=*)
1789 case "${flag#*=}" in
1790 armv7-a|cortex-a*) echo -mv=7a8 ;;
1791 armv7-r|cortex-r*) echo -mv=7r4 ;;
1792 armv7-m|cortex-m*) echo -mv=7m3 ;;
1793 armv6*|arm11*) echo -mv=6 ;;
1794 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1795 echo -mv=5e ;;
1796 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1797 esac
1798 ;;
1799 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1800 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1801 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1802 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1803 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1804 -g) echo -g -mn ;;
587d24ff 1805 -pds=*) echo $flag ;;
6fec122a
MR
1806 esac
1807 done
1808 }
06da6943
DC
1809elif $cc -v 2>&1 | grep -q clang; then
1810 cc_type=clang
1811 cc_version=__VERSION__
1812 CC_DEPFLAGS='-MMD'
1813 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1814 speed_cflags='-O3'
1815 size_cflags='-Os'
2a472e9c
MK
1816elif $cc -V 2>&1 | grep -q Sun; then
1817 cc_type=suncc
1818 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1819 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1820 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1821 speed_cflags='-O5'
1822 size_cflags='-O5 -xspace'
03279bbe
MK
1823 filter_cflags=suncc_flags
1824 suncc_flags(){
1825 for flag; do
1826 case $flag in
1827 -march=*|-mcpu=*)
1828 case "${flag#*=}" in
1829 native) echo -xtarget=native ;;
1830 v9) echo -xarch=sparc ;;
1831 ultrasparc) echo -xarch=sparcvis ;;
1832 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1833 i586|pentium) echo -xchip=pentium ;;
1834 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1835 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1836 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1837 pentium4*) echo -xtarget=pentium4 ;;
1838 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1839 *-sse3) echo -xarch=sse3 ;;
1840 core2) echo -xarch=ssse3 -xchip=core2 ;;
1841 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1842 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1843 k8|opteron|athlon64|athlon-fx)
1844 echo -xarch=sse2a ;;
1845 athlon*) echo -xarch=pentium_proa ;;
1846 esac
1847 ;;
1848 -std=c99) echo -xc99 ;;
1849 -fomit-frame-pointer) echo -xregs=frameptr ;;
1850 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1851 -W*,*) echo $flag ;;
1852 -f*-*|-W*) ;;
1853 *) echo $flag ;;
1854 esac
1855 done
1856 }
629687f6
MR
1857fi
1858
1859test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1860
75bafbac 1861: ${as_default:=$cc}
50567afa 1862: ${dep_cc_default:=$cc}
684b28e0 1863: ${ld_default:=$cc}
50567afa 1864set_default as dep_cc ld
75800dce 1865
07dec06e
MR
1866test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1867test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1868
7f32f40c 1869add_cflags $extra_cflags
2f2e6c7c 1870add_asflags $extra_cflags
7f32f40c 1871
154d432c
MR
1872if test -n "$sysroot"; then
1873 case "$cc_type" in
1874 gcc)
467256f2 1875 add_cppflags --sysroot="$sysroot"
154d432c
MR
1876 add_ldflags --sysroot="$sysroot"
1877 ;;
6fec122a
MR
1878 tms470)
1879 add_cppflags -I"$sysinclude"
1880 add_ldflags --sysroot="$sysroot"
1881 ;;
06da6943 1882 clang)
4def700e
DC
1883 add_cppflags -isysroot "$sysroot"
1884 add_ldflags -isysroot "$sysroot"
06da6943 1885 ;;
154d432c
MR
1886 esac
1887fi
1888
d22c13a8
MR
1889if test "$cpu" = host; then
1890 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1891
1892 case "$cc_type" in
1893 gcc)
1894 check_native(){
1895 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1896 sed -n "/$1=/{
1897 s/.*$1=\\([^ ]*\\).*/\\1/
1898 p
1899 q
1900 }" $TMPE
d22c13a8
MR
1901 }
1902 cpu=$(check_native -march || check_native -mcpu)
1903 ;;
1904 esac
1905
1906 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1907fi
1908
e939cedd
MR
1909# Deal with common $arch aliases
1910case "$arch" in
1911 arm*)
1912 arch="arm"
1913 ;;
1914 mips|mipsel|IP*)
1915 arch="mips"
1916 ;;
47b1860e 1917 mips64*)
e939cedd
MR
1918 arch="mips"
1919 subarch="mips64"
1920 ;;
1921 parisc|hppa)
1922 arch="parisc"
1923 ;;
1924 parisc64|hppa64)
1925 arch="parisc"
1926 subarch="parisc64"
1927 ;;
1928 "Power Macintosh"|ppc|powerpc)
1929 arch="ppc"
1930 ;;
47b1860e 1931 ppc64|powerpc64)
e939cedd
MR
1932 arch="ppc"
1933 subarch="ppc64"
1934 ;;
1935 s390|s390x)
1936 arch="s390"
1937 ;;
1938 sh4|sh)
1939 arch="sh4"
1940 ;;
1941 sun4u|sparc64)
1942 arch="sparc"
1943 subarch="sparc64"
1944 ;;
1945 i[3-6]86|i86pc|BePC|x86_64|amd64)
1946 arch="x86"
1947 ;;
1948esac
1949
1950is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1951enable $arch
e939cedd 1952
df5cdc24 1953# Add processor-specific flags
5d54c126
MR
1954if test "$cpu" = generic; then
1955 : do nothing
1956elif enabled ppc; then
343aef9b 1957
56348891
MR
1958 case $(tolower $cpu) in
1959 601|ppc601|powerpc601)
9dbd5c3d 1960 cpuflags="-mcpu=601"
64ad53ff 1961 disable altivec
9dbd5c3d 1962 ;;
56348891 1963 603*|ppc603*|powerpc603*)
9dbd5c3d 1964 cpuflags="-mcpu=603"
64ad53ff 1965 disable altivec
9dbd5c3d 1966 ;;
56348891 1967 604*|ppc604*|powerpc604*)
9dbd5c3d 1968 cpuflags="-mcpu=604"
64ad53ff 1969 disable altivec
9dbd5c3d 1970 ;;
56348891 1971 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1972 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1973 disable altivec
9dbd5c3d 1974 ;;
56348891 1975 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1976 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1977 ;;
56348891 1978 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1979 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1980 ;;
56348891 1981 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1982 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1983 ;;
56348891 1984 cell)
9dbd5c3d
MR
1985 cpuflags="-mcpu=cell"
1986 enable ldbrx
1987 ;;
7b0b81a1
AL
1988 e500v2)
1989 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1990 disable altivec
1991 ;;
1992 e500)
1993 cpuflags="-mcpu=8540 -mhard-float"
1994 disable altivec
1995 ;;
9dbd5c3d 1996 esac
343aef9b
MR
1997
1998elif enabled x86; then
1999
9dbd5c3d
MR
2000 case $cpu in
2001 i[345]86|pentium)
2002 cpuflags="-march=$cpu"
2003 disable mmx
2004 ;;
2005 # targets that do NOT support conditional mov (cmov)
2006 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2007 cpuflags="-march=$cpu"
2008 disable cmov
2009 ;;
2010 # targets that do support conditional mov (cmov)
2011 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2012 cpuflags="-march=$cpu"
2013 enable cmov
2014 enable fast_cmov
2015 ;;
2016 # targets that do support conditional mov but on which it's slow
2017 pentium4|pentium4m|prescott|nocona)
2018 cpuflags="-march=$cpu"
2019 enable cmov
2020 disable fast_cmov
2021 ;;
2022 esac
343aef9b
MR
2023
2024elif enabled sparc; then
2025
9dbd5c3d
MR
2026 case $cpu in
2027 sparc64)
2028 cpuflags="-mcpu=v9"
2029 ;;
2030 esac
343aef9b
MR
2031
2032elif enabled arm; then
2033
34ba23c9
MR
2034 case $cpu in
2035 armv*)
2036 cpuflags="-march=$cpu"
2037 ;;
2038 *)
2039 cpuflags="-mcpu=$cpu"
2040 ;;
2041 esac
343aef9b
MR
2042
2043elif enabled alpha; then
2044
34ba23c9 2045 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2046
2047elif enabled bfin; then
2048
34ba23c9 2049 cpuflags="-mcpu=$cpu"
343aef9b
MR
2050
2051elif enabled mips; then
2052
34ba23c9 2053 cpuflags="-march=$cpu"
343aef9b
MR
2054
2055elif enabled avr32; then
2056
9dbd5c3d
MR
2057 case $cpu in
2058 ap7[02]0[0-2])
2059 subarch="avr32_ap"
2060 cpuflags="-mpart=$cpu"
2061 ;;
2062 ap)
2063 subarch="avr32_ap"
2064 cpuflags="-march=$cpu"
2065 ;;
2066 uc3[ab]*)
2067 subarch="avr32_uc"
2068 cpuflags="-mcpu=$cpu"
2069 ;;
2070 uc)
2071 subarch="avr32_uc"
2072 cpuflags="-march=$cpu"
2073 ;;
2074 esac
df5cdc24 2075
343aef9b
MR
2076fi
2077
df5cdc24
MR
2078add_cflags $cpuflags
2079add_asflags $cpuflags
2080
993f2d0f
MR
2081# compiler sanity check
2082check_exec <<EOF
2083int main(void){ return 0; }
2084EOF
2085if test "$?" != 0; then
2086 echo "$cc is unable to create an executable file."
2087 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2088 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2089 echo "Only do this if you know what cross compiling means."
2090 fi
2091 die "C compiler test failed."
2092fi
2093
38a9c529 2094add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2095check_cflags -std=c99
50a334e4 2096check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2097#include <stdlib.h>
2098EOF
50a334e4 2099check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2100#include <stdlib.h>
2101EOF
e9b9a2f8 2102
f0125de9
MR
2103check_host_cflags -std=c99
2104
b24dbcbd 2105case "$arch" in
e939cedd 2106 alpha|ia64|mips|parisc|sparc)
8a3c8627 2107 spic=$shared
b24dbcbd 2108 ;;
e939cedd 2109 x86)
cfdb6148 2110 subarch="x86_32"
e939cedd 2111 check_cc <<EOF && subarch="x86_64"
58b3536d 2112 int test[(int)sizeof(char*) - 7];
cfdb6148 2113EOF
de27f4d9 2114 if test "$subarch" = "x86_64"; then
e939cedd 2115 spic=$shared
de27f4d9 2116 fi
b24dbcbd 2117 ;;
b24dbcbd
RP
2118esac
2119
343aef9b 2120enable $subarch
8a3c8627 2121enabled spic && enable pic
5755bc88 2122check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2123
7483e694 2124# OS specific
4f854758 2125case $target_os in
7483e694 2126 beos|haiku|zeta)
c9d19248 2127 prefix_default="$HOME/config"
7483e694 2128 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2129 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2130 case "$gcc_version" in
2131 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2132 disable mmx
2133 ;;
2134 *20010315*) echo "BeBits gcc"
0f010b2f 2135 add_cflags -fno-expensive-optimizations
7483e694
DB
2136 ;;
2137 esac
7483e694
DB
2138 SHFLAGS=-nostart
2139 # enable BeOS things
2140 enable audio_beos
2141 # no need for libm, but the inet stuff
2142 # Check for BONE
2143 # XXX: actually should check for NOT net_server
78fe7631 2144 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2145 network_extralibs="-lbind -lsocket"
2146 else
2147 enable beos_netserver
2148 network_extralibs="-lnet"
2149 fi ;;
2150 sunos)
2151 FFSERVERLDFLAGS=""
9987769a 2152 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2153 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2154 network_extralibs="-lsocket -lnsl"
50a334e4 2155 add_cppflags -D__EXTENSIONS__
8182dc34 2156 nm_opts='-P -g'
7483e694
DB
2157 ;;
2158 netbsd)
07a8eef6
MR
2159 oss_indev_extralibs="-lossaudio"
2160 oss_outdev_extralibs="-lossaudio"
2138dc99 2161 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2162 ;;
2163 openbsd)
89e053f8 2164 enable malloc_aligned
7c4a001a
MR
2165 # On OpenBSD 4.5. the compiler does not use PIC unless
2166 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2167 # however the generated executable will not do anything
2168 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2169 # Thus explicitly enable PIC here.
cd78208b 2170 enable pic
7483e694 2171 SHFLAGS='-shared'
07a8eef6
MR
2172 oss_indev_extralibs="-lossaudio"
2173 oss_outdev_extralibs="-lossaudio"
7483e694 2174 ;;
90b4f091 2175 freebsd|dragonfly)
89e053f8 2176 enable malloc_aligned
7483e694
DB
2177 ;;
2178 bsd/os)
2179 osextralibs="-lpoll -lgnugetopt"
2180 strip="strip -d"
2181 ;;
2182 darwin)
89e053f8 2183 enable malloc_aligned
0138c54e 2184 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2185 strip="strip -x"
2186 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2187 SLIBSUF=".dylib"
2188 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2189 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2190 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2191 objformat="macho"
1b0f6fb8 2192 enabled x86_64 && objformat="macho64"
8dfa86f7 2193 enabled_any pic shared ||
2704bd1a 2194 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2195 ;;
2196 mingw32*)
9d3f4f50 2197 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2198 disable network
2199 else
2200 target_os=mingw32
2201 fi
dcc01c06 2202 LIBTARGET=i386
1fc9fb8a 2203 if enabled x86_64; then
89e053f8 2204 enable malloc_aligned
dcc01c06 2205 LIBTARGET=x64
336cc1b0
MS
2206 elif enabled arm; then
2207 LIBTARGET=arm
dcc01c06 2208 fi
fbd971a4 2209 shlibdir_default="$bindir_default"
7483e694
DB
2210 disable ffserver
2211 SLIBPREF=""
2212 SLIBSUF=".dll"
7483e694
DB
2213 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2214 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2215 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2216 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2217 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2218 install -d "$(LIBDIR)"; \
2219 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2220 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2221 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2222 objformat="win32"
bc574408 2223 enable dos_paths
1894e741 2224 check_cflags -fno-common
b1549d61 2225 if ! enabled x86_64; then
f7ad5aa2
RP
2226 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2227 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2228 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2229 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2230 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2231 fi
7483e694
DB
2232 ;;
2233 cygwin*)
4f854758 2234 target_os=cygwin
fbd971a4 2235 shlibdir_default="$bindir_default"
7483e694
DB
2236 SLIBPREF="cyg"
2237 SLIBSUF=".dll"
2238 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2239 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2240 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2241 objformat="win32"
bc574408 2242 enable dos_paths
1894e741 2243 check_cflags -fno-common
7483e694 2244 ;;
4f365f37 2245 *-dos|freedos|opendos)
fdf11906 2246 disable ffplay ffserver
4f365f37
MK
2247 disable $INDEV_LIST $OUTDEV_LIST
2248 network_extralibs="-lsocket"
ff1c015d 2249 objformat="coff"
bc574408 2250 enable dos_paths
4f365f37 2251 ;;
7483e694 2252 linux)
7483e694
DB
2253 enable dv1394
2254 ;;
2255 irix*)
4f854758 2256 target_os=irix
7483e694
DB
2257 ranlib="echo ignoring ranlib"
2258 ;;
d22e8442 2259 os/2*)
d22e8442
DY
2260 strip="lxlite"
2261 ln_s="cp -f"
d22e8442 2262 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2263 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2264 FFSERVERLDFLAGS=""
287d3b13 2265 LIBSUF="_s.a"
d22e8442
DY
2266 SLIBPREF=""
2267 SLIBSUF=".dll"
2268 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2269 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2270 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2271 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2272 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2273 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2274 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2275 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2276 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2277 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2278 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2279 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2280 enable dos_paths
d22e8442 2281 ;;
83993c1c
AM
2282 gnu/kfreebsd)
2283 ;;
34e82167 2284 gnu)
34e82167 2285 ;;
614d8911
MR
2286 none)
2287 ;;
7483e694 2288 *)
4f924f9a 2289 die "Unknown OS '$target_os'."
7483e694
DB
2290 ;;
2291esac
2292
c9d19248
MR
2293set_default $PATHS_LIST
2294
c597172e 2295add_extralibs $osextralibs
de6d9b64 2296
28d8e661
DB
2297# Combine FFLDFLAGS and the LDFLAGS environment variable.
2298LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2299
320d060a 2300# we need to build at least one lib type
93b3c083 2301if ! enabled_any static shared; then
320d060a
DB
2302 cat <<EOF
2303At least one library type must be built.
2304Specify --enable-static to build the static libraries or --enable-shared to
2305build the shared libraries as well. To only build the shared libraries specify
2306--disable-static in addition to --enable-shared.
2307EOF
2308 exit 1;
2309fi
2310
abc4e572 2311disabled static && LIBNAME=""
2a320695 2312
a2234ceb
RP
2313if enabled_any libfaad libfaadbin ; then
2314 if check_header faad.h; then
295b8c70 2315 check_cc <<EOF
a2234ceb
RP
2316#include <faad.h>
2317#ifndef FAAD2_VERSION
2318ok faad1
2319#endif
db817cf3 2320int main(void) { return 0; }
a2234ceb
RP
2321EOF
2322 test $? = 0 && enable libfaad2
2323 else
ff3dac65 2324 die "FAAD test failed."
a2234ceb
RP
2325 fi
2326fi
2327
2328
2184c6f7 2329die_license_disabled() {
4c27207c 2330 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2331}
2332
2333die_license_disabled gpl libfaad2
2334die_license_disabled gpl libx264
2335die_license_disabled gpl libxvid
2336die_license_disabled gpl postproc
2337die_license_disabled gpl x11grab
2338
2f7ae63b 2339die_license_disabled nonfree libfaac
b2e3c528 2340
0b175caa
DB
2341die_license_disabled version3 libopencore_amrnb
2342die_license_disabled version3 libopencore_amrwb
2343
9cad0e4e 2344enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2345
9eeed841 2346check_deps $ARCH_EXT_LIST
0f3cb305 2347
40617a6d 2348disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2349
e276d9e8
MR
2350enable_pic() {
2351 enable pic
bce7b696
MR
2352 add_cppflags -DPIC
2353 add_cflags -fPIC
2354 add_asflags -fPIC
e276d9e8
MR
2355}
2356
2357enabled pic && enable_pic
bce7b696 2358
b4d96ba2
MR
2359check_cc <<EOF || die "Symbol mangling check failed."
2360int ff_extern;
2361EOF
8182dc34 2362sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2363extern_prefix=${sym%%ff_extern*}
2364
f65883c8
MR
2365check_cc <<EOF && enable inline_asm
2366void foo(void) { __asm__ volatile ("" ::); }
2367EOF
61d251db 2368
df5e3978
MR
2369_restrict=
2370for restrict_keyword in restrict __restrict__ __restrict; do
2371 check_cc <<EOF && _restrict=$restrict_keyword && break
2372void foo(char * $restrict_keyword p);
2373EOF
2374done
2375
2376check_cc <<EOF && enable attribute_packed
2377struct { int x; } __attribute__((packed)) x;
2378EOF
2379
dffb41b9
MR
2380check_cc <<EOF && enable attribute_may_alias
2381union { int x; } __attribute__((may_alias)) x;
2382EOF
2383
df5e3978
MR
2384check_cc <<EOF || die "endian test failed"
2385unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2386EOF
48fc536a 2387od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2388
e939cedd
MR
2389if enabled alpha; then
2390
2391 check_cflags -mieee
2392
2393elif enabled arm; then
e45391bb 2394
50fa82e6
MR
2395 check_cflags -marm
2396
fa0912fe
MR
2397 check_ld <<EOF && enable vfp_args
2398__asm__ (".eabi_attribute 28, 1");
2399int main(void) { return 0; }
2400EOF
2401
2402 # We have to check if pld is a nop and disable it.
2403 check_asm pld '"pld [r0]"'
2404
2405 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2406 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2407 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2408 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2409 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2410 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2411
e276d9e8
MR
2412 enabled_all armv6t2 shared !pic && enable_pic
2413
e939cedd
MR
2414elif enabled ia64; then
2415
2416 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2417 enabled shared && enable_weak hardcoded_tables
2418
fa0912fe 2419elif enabled mips; then
e45391bb 2420
fa0912fe
MR
2421 check_asm loongson '"dmult.g $1, $2, $3"'
2422 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2423
fa0912fe 2424elif enabled ppc; then
e45391bb 2425
e6a0c354
MR
2426 enable local_aligned_8 local_aligned_16
2427
fa0912fe
MR
2428 check_asm dcbzl '"dcbzl 0, 1"'
2429 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2430 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2431
2432 # AltiVec flags: The FSF version of GCC differs from the Apple version
2433 if enabled altivec; then
2434 check_cflags -maltivec -mabi=altivec &&
2435 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2436 check_cflags -faltivec
2437
2438 # check if our compiler supports Motorola AltiVec C API
2439 check_cc <<EOF || disable altivec
2440$inc_altivec_h
2441int main(void) {
2442 vector signed int v1, v2, v3;
2443 v1 = vec_add(v2,v3);
2444 return 0;
2445}
2446EOF
2447
2448 # check if our compiler supports braces for vector declarations
2449 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2450$inc_altivec_h
2451int main (void) { (vector int) {1}; return 0; }
2452EOF
2453 fi
e45391bb 2454
fa0912fe 2455elif enabled sparc; then
e45391bb 2456
fa0912fe
MR
2457 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2458 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2459
fa0912fe 2460elif enabled x86; then
e45391bb 2461
e6a0c354
MR
2462 enable local_aligned_8 local_aligned_16
2463
44965991
PI
2464 # check whether EBP is available on x86
2465 # As 'i' is stored on the stack, this program will crash
2466 # if the base pointer is used to access it because the
2467 # base pointer is cleared in the inline assembly code.
7dfef245 2468 check_exec_crash <<EOF && enable ebp_available
44965991 2469 volatile int i=0;
be449fca 2470 __asm__ volatile (
44965991
PI
2471 "xorl %%ebp, %%ebp"
2472 ::: "%ebp");
2473 return i;
44965991
PI
2474EOF
2475
f494213c 2476 # check whether EBX is available on x86
7cee5421
MR
2477 check_asm ebx_available '""::"b"(0)' &&
2478 check_asm ebx_available '"":::"%ebx"'
8e380710 2479
d3a4b4e0
DB
2480 # check whether more than 10 operands are supported
2481 check_cc <<EOF && enable ten_operands
2482int main(void) {
2483 int x=0;
2484 __asm__ volatile(
2485 ""
2486 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2487 );
2488 return 0;
2489}
2490EOF
2491
d7f0920b 2492 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2493 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2494 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2495
2496 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2497
d52481b9 2498 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2499 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2500 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2501 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2502 case "$objformat" in
2503 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2504 esac
7595a5e4 2505 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2506
669b5583
MR
2507 case "$cpu" in
2508 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2509 disable fast_clz
2510 ;;
2511 esac
2512
44965991
PI
2513fi
2514
a98bb16d
RP
2515if check_func dlopen; then
2516 ldl=
2517elif check_func dlopen -ldl; then
2518 ldl=-ldl
8bf5d58f
MN
2519fi
2520
75ecf149
DB
2521# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2522check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2523
7483e694 2524check_func fork
84882df6 2525check_func getaddrinfo $network_extralibs
7483e694
DB
2526check_func gethrtime
2527check_func getrusage
fc5607f8 2528check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2529check_func inet_aton $network_extralibs
abfc8d05 2530check_func isatty
4ae40685 2531check_func ${malloc_prefix}memalign && enable memalign
7483e694 2532check_func mkstemp
4ae40685 2533check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2534check_func setrlimit
87958234 2535check_func strerror_r
b507ebd1 2536check_func_headers io.h setmode
e4673692 2537check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2538check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2539check_func_headers windows.h GetProcessTimes
7c5bfe7a 2540check_func_headers windows.h VirtualAlloc
6ffa87d3 2541
e16e49ac 2542check_header conio.h
a98bb16d 2543check_header dlfcn.h
92c6a099 2544check_header dxva2api.h
a98bb16d 2545check_header malloc.h
bf6ce82d 2546check_header poll.h
b58412f1 2547check_header sys/mman.h
b091aa44 2548check_header sys/resource.h
bf6ce82d 2549check_header sys/select.h
a98bb16d 2550check_header termios.h
272081b0
CEH
2551check_header vdpau/vdpau.h
2552check_header vdpau/vdpau_x11.h
68178ca9 2553check_header X11/extensions/XvMClib.h
a98bb16d 2554
9104cd51
RP
2555check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2556
89e053f8
MR
2557if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2558 enabled_any $need_memalign ; then
1f91cdce 2559 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2560fi
e16e49ac 2561
a4fa192c 2562disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2563disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2564
2565# check for some common methods of building with pthread support
2566# do this before the optional library checks as some of them require pthreads
2567if enabled pthreads; then
9e7fd101
MR
2568 if check_func pthread_create; then
2569 :
2570 elif check_func pthread_create -pthread; then
2571 add_cflags -pthread
afc9aee2 2572 add_extralibs -pthread
9e7fd101
MR
2573 elif check_func pthread_create -pthreads; then
2574 add_cflags -pthreads
afc9aee2 2575 add_extralibs -pthreads
8d94f606
GT
2576 elif check_func pthread_create -lpthreadGC2; then
2577 add_extralibs -lpthreadGC2
9e7fd101
MR
2578 elif ! check_lib pthread.h pthread_create -lpthread; then
2579 die "ERROR: can't find pthreads library"
2580 fi
57bd82d4
MR
2581fi
2582
8eee7025 2583for thread in $THREADS_LIST; do
e5f94c2b 2584 if enabled $thread; then
3ae3b721
RP
2585 test -n "$thread_type" &&
2586 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2587 thread_type="$thread"
e5f94c2b
RP
2588 fi
2589done
2590
fdf88598 2591check_lib math.h sin -lm
ff418735 2592check_lib va/va.h vaInitialize -lva
fdf88598 2593
645d2652
MR
2594check_mathfunc exp2
2595check_mathfunc exp2f
2596check_mathfunc llrint
2597check_mathfunc log2
2598check_mathfunc log2f
2599check_mathfunc lrint
2600check_mathfunc lrintf
2601check_mathfunc round
2602check_mathfunc roundf
2603check_mathfunc truncf
f32adb22 2604
57bd82d4 2605# these are off by default, so fail if requested and not available
a1b3c5a3 2606enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2607enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2608 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2609 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2610enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2611enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2612enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2613enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2614enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2615enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2616enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2617enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2618enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2619 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2620enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2621enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2622enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2623enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2624 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2625 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2626enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2627enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2628
0b4a1821
AS
2629# libdc1394 check
2630if enabled libdc1394; then
2631 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2632 enable libdc1394_2; } ||
2633 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2634 enable libdc1394_1; } ||
2635 die "ERROR: No version of libdc1394 found "
2636fi
2637
6a1a892f 2638SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2639if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2640 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2641 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2642 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2643 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2644 enable sdl &&
2645 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2646fi
57bd82d4 2647
2270b4b2 2648texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2649
73b46a95 2650if enabled network; then
96000432 2651 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2652 check_type netdb.h "struct addrinfo"
b4d68544
MS
2653 check_type netinet/in.h "struct ipv6_mreq"
2654 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2655 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2656 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2657 # Prefer arpa/inet.h over winsock2
2658 if check_header arpa/inet.h ; then
2659 check_func closesocket
2660 elif check_header winsock2.h ; then
f4c13872
MS
2661 check_func_headers winsock2.h closesocket -lws2 && \
2662 network_extralibs="-lws2" || \
2663 { check_func_headers winsock2.h closesocket -lws2_32 && \
2664 network_extralibs="-lws2_32"; }
72be9e73 2665 check_type ws2tcpip.h socklen_t
c0018613 2666 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2667 check_type ws2tcpip.h "struct ipv6_mreq"
2668 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2669 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2670 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2671 else
2672 disable network
73b46a95
RP
2673 fi
2674fi
2675
06e31011
RP
2676check_header linux/videodev.h
2677check_header linux/videodev2.h
1b6e8b73 2678check_header sys/videoio.h
47f38850 2679
27796dc3 2680check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2681
f8aa696f 2682# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2683{ check_header dev/bktr/ioctl_meteor.h &&
2684 check_header dev/bktr/ioctl_bt848.h; } ||
2685{ check_header machine/ioctl_meteor.h &&
2686 check_header machine/ioctl_bt848.h; } ||
2687{ check_header dev/video/meteor/ioctl_meteor.h &&
2688 check_header dev/video/bktr/ioctl_bt848.h; } ||
2689check_header dev/ic/bt8xx.h
f8aa696f 2690
c7682de0
RP
2691check_header sys/soundcard.h
2692check_header soundcard.h
deb29777 2693
b6f3d925 2694enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2695
0e57fe17 2696enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2697
56a059ac 2698enabled x11grab &&
f58f4ce1
GP
2699check_header X11/Xlib.h &&
2700check_header X11/extensions/XShm.h &&
0a045661 2701check_header X11/extensions/Xfixes.h &&
f58f4ce1 2702check_func XOpenDisplay -lX11 &&
781c1aa6
R
2703check_func XShmCreateImage -lX11 -lXext &&
2704check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2705
598ef02b 2706if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2707check_cpp_condition \
2708 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2709 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2710 disable vdpau; }
abf649c7 2711fi
deda2a4a 2712
95e561ec 2713enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2714
2715# add some useful compiler flags if supported
2716check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2717check_cflags -Wall
2718check_cflags -Wno-switch
c07bd6a9
MN
2719check_cflags -Wdisabled-optimization
2720check_cflags -Wpointer-arith
2721check_cflags -Wredundant-decls
cc1fb623 2722check_cflags -Wno-pointer-sign
f4929996 2723check_cflags -Wcast-qual
9aceb3cf 2724check_cflags -Wwrite-strings
652a5bf6 2725check_cflags -Wtype-limits
764551c6 2726check_cflags -Wundef
fc298fd9 2727check_cflags -Wmissing-prototypes
5af4e0cc 2728enabled extra_warnings && check_cflags -Winline
cf9d24ad 2729
57bd82d4 2730# add some linker flags
5c0e9479 2731check_ldflags -Wl,--warn-common
8351d2ba
DB
2732check_ldflags -Wl,--as-needed
2733check_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 2734check_ldflags -Wl,-Bsymbolic
94a3401e 2735
a482e61b
MR
2736echo "X{};" > $TMPV
2737test_ldflags -Wl,--version-script,$TMPV &&
2738 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2739
bd2216e4 2740if enabled small; then
14ca9cd0 2741 add_cflags $size_cflags
8400d6b8
DB
2742 optimizations="small"
2743elif enabled optimizations; then
14ca9cd0 2744 add_cflags $speed_cflags
cddf3f45 2745fi
11fdbc44 2746check_cflags -fno-math-errno
b2eb2ff0 2747check_cflags -fno-signed-zeros
cddf3f45 2748
629687f6 2749if enabled icc; then
b1598b58
MR
2750 # Just warnings, no remarks
2751 check_cflags -w1
2752 # -wd: Disable following warnings
2753 # 144, 167, 556: -Wno-pointer-sign
2754 # 10006: ignoring unknown option -fno-signed-zeros
2755 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2756 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2757 # 11030: Warning unknown option --as-needed
2758 # 10156: ignoring option '-export'; no argument required
2759 check_ldflags -wd10156,11030
2760 # Allow to compile with optimizations
2761 check_ldflags -march=$cpu
be2cf98a
CEH
2762 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2763 enable ebp_available
df442a8d
MR
2764elif enabled ccc; then
2765 # disable some annoying warnings
2766 add_cflags -msg_disable cvtu32to64
2767 add_cflags -msg_disable embedcomment
2768 add_cflags -msg_disable needconstext
2769 add_cflags -msg_disable nomainieee
2770 add_cflags -msg_disable ptrmismatch1
2771 add_cflags -msg_disable unreachcode
973859f5
MR
2772elif enabled gcc; then
2773 check_cflags -fno-tree-vectorize
62df111c 2774 check_cflags -Werror=implicit
de63bfec 2775 check_cflags -Werror=missing-prototypes
06da6943
DC
2776elif enabled clang; then
2777 check_cflags -Qunused-arguments
138132be
MR
2778elif enabled armcc; then
2779 # 2523: use of inline assembler is deprecated
2780 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2781 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2782elif enabled tms470; then
2783 add_cflags -pds=824 -pds=837
504a64b9
CEH
2784fi
2785
90be59ef 2786if enabled gprof; then
0f010b2f
DB
2787 add_cflags -p
2788 add_ldflags -p
1db54e20
DB
2789fi
2790
7f3c02fc 2791# Find out if the .align argument is a power of two or not.
9377b6ce 2792check_asm asmalign_pot '".align 3"'
4454dc1b 2793
7483e694
DB
2794enabled_any $DECODER_LIST && enable decoders
2795enabled_any $ENCODER_LIST && enable encoders
5666fd73 2796enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2797enabled_any $BSF_LIST && enable bsfs
2798enabled_any $DEMUXER_LIST && enable demuxers
2799enabled_any $MUXER_LIST && enable muxers
f7679c54 2800enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2801enabled_any $INDEV_LIST && enable indevs
2802enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2803enabled_any $PROTOCOL_LIST && enable protocols
2804
2805enabled_any $THREADS_LIST && enable threads
2806
2807check_deps $CONFIG_LIST \
b6bb00b0 2808 $CONFIG_EXTRA \
7483e694
DB
2809 $HAVE_LIST \
2810 $DECODER_LIST \
2811 $ENCODER_LIST \
5666fd73 2812 $HWACCEL_LIST \
7483e694
DB
2813 $PARSER_LIST \
2814 $BSF_LIST \
2815 $DEMUXER_LIST \
2816 $MUXER_LIST \
f7679c54 2817 $FILTER_LIST \
7483e694
DB
2818 $INDEV_LIST \
2819 $OUTDEV_LIST \
2820 $PROTOCOL_LIST \
f70f03f6 2821
c8a4ae00
MR
2822enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2823
3e89171a 2824echo "install prefix $prefix"
f36958f8
DB
2825echo "source path $source_path"
2826echo "C compiler $cc"
bfd5afd8 2827echo ".align is power-of-two $asmalign_pot"
f36958f8 2828echo "ARCH $arch ($cpu)"
ce8871c2
MR
2829if test "$build_suffix" != ""; then
2830 echo "build suffix $build_suffix"
eb94aca9 2831fi
ac63af34
DB
2832if test "$extra_version" != ""; then
2833 echo "version string suffix $extra_version"
2834fi
0db2ce77 2835echo "big-endian ${bigendian-no}"
e90f5b5a 2836echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2837if enabled x86; then
af44e8e4 2838 echo "yasm ${yasm-no}"
0db2ce77 2839 echo "MMX enabled ${mmx-no}"
30e98e62 2840 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2841 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2842 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2843 echo "SSE enabled ${sse-no}"
30e98e62 2844 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2845 echo "CMOV enabled ${cmov-no}"
2846 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2847 echo "EBX available ${ebx_available-no}"
2848 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2849 echo "10 operands supported ${ten_operands-no}"
e41e8342 2850fi
5b6c2cbd 2851if enabled arm; then
0db2ce77
MR
2852 echo "ARMv5TE enabled ${armv5te-no}"
2853 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2854 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2855 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2856 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2857 echo "NEON enabled ${neon-no}"
eba9ae3c 2858fi
5b6c2cbd 2859if enabled mips; then
0db2ce77 2860 echo "MMI enabled ${mmi-no}"
e41e8342 2861fi
5b6c2cbd 2862if enabled ppc; then
0db2ce77 2863 echo "AltiVec enabled ${altivec-no}"
30e98e62 2864 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2865 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2866 echo "performance report ${powerpc_perf-no}"
2867fi
2868if enabled sparc; then
2869 echo "VIS enabled ${vis-no}"
e41e8342 2870fi
0db2ce77
MR
2871echo "gprof enabled ${gprof-no}"
2872echo "debug symbols ${debug-no}"
87a0fb62 2873echo "strip symbols ${stripping-no}"
8400d6b8 2874echo "optimizations ${optimizations-no}"
0db2ce77
MR
2875echo "static ${static-no}"
2876echo "shared ${shared-no}"
4a24ab64 2877echo "postprocessing support ${postproc-no}"
f7679c54 2878echo "new filter support ${avfilter-no}"
81124ba0 2879echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2880echo "network support ${network-no}"
0db2ce77
MR
2881echo "threading support ${thread_type-no}"
2882echo "SDL support ${sdl-no}"
0db2ce77
MR
2883echo "Sun medialib support ${mlib-no}"
2884echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2885echo "libdc1394 support ${libdc1394-no}"
690bfceb 2886echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2887echo "libfaac enabled ${libfaac-no}"
2888echo "libfaad enabled ${libfaad-no}"
7e0871a7 2889echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2890echo "libgsm enabled ${libgsm-no}"
2891echo "libmp3lame enabled ${libmp3lame-no}"
2892echo "libnut enabled ${libnut-no}"
0b175caa
DB
2893echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2894echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2895echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2896echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2897echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2898echo "libtheora enabled ${libtheora-no}"
2899echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2900echo "libx264 enabled ${libx264-no}"
2901echo "libxvid enabled ${libxvid-no}"
0db2ce77 2902echo "zlib enabled ${zlib-no}"
f402916e 2903echo "bzlib enabled ${bzlib-no}"
2c62e737 2904echo
de6d9b64 2905
5666fd73 2906for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2907 echo "Enabled ${type}s:"
f65c9da1 2908 eval list=\$$(toupper $type)_LIST
8138b9db 2909 for part in $list; do
f65c9da1
MR
2910 enabled $part && echo ${part%_*}
2911 done | sort | pr -3 -t
2912 echo
8138b9db
RP
2913done
2914
ba7a7039 2915license="LGPL version 2.1 or later"
ba321adb 2916if enabled nonfree; then
ba7a7039 2917 license="nonfree and unredistributable"
9cad0e4e
DB
2918elif enabled gplv3; then
2919 license="GPL version 3 or later"
2920elif enabled lgplv3; then
2921 license="LGPL version 3 or later"
ba321adb 2922elif enabled gpl; then
ba7a7039 2923 license="GPL version 2 or later"
ba321adb
JK
2924fi
2925
2926echo "License: $license"
ca5323af 2927
cf1392e9
DB
2928echo "Creating config.mak and config.h..."
2929
df642790
MR
2930# build tree in object directory if source path is different from current one
2931if enabled source_path_used; then
2932 DIRS="
2933 doc
2934 libavcodec
2935 libavcodec/$arch
2936 libavdevice
2937 libavfilter
2938 libavformat
2939 libavutil
2940 libavutil/$arch
2941 libpostproc
2942 libswscale
2943 libswscale/$arch
2944 tests
2945 tools
2946 "
2947 FILES="
2948 Makefile
2949 common.mak
2950 subdir.mak
2951 doc/texi2pod.pl
2952 libavcodec/Makefile
43f60eba 2953 libavcodec/${arch}/Makefile
df642790
MR
2954 libavdevice/Makefile
2955 libavfilter/Makefile
2956 libavformat/Makefile
2957 libavutil/Makefile
2958 libpostproc/Makefile
2959 libswscale/Makefile
2960 "
e0e335a0 2961 map 'mkdir -p $v' $DIRS;
43f60eba 2962 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2963fi
2964
ad212cc6
MR
2965enabled stripping || strip="echo skipping strip"
2966
173c983b
MR
2967cat > config.mak <<EOF
2968# Automatically generated by configure - do not modify!
2969ifndef FFMPEG_CONFIG_MAK
2970FFMPEG_CONFIG_MAK=1
2971FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2972prefix=$prefix
2973LIBDIR=\$(DESTDIR)$libdir
2974SHLIBDIR=\$(DESTDIR)$shlibdir
2975INCDIR=\$(DESTDIR)$incdir
2976BINDIR=\$(DESTDIR)$bindir
2977DATADIR=\$(DESTDIR)$datadir
2978MANDIR=\$(DESTDIR)$mandir
2979SRC_PATH="$source_path"
2980SRC_PATH_BARE=$source_path
2981BUILD_ROOT="$PWD"
2982ARCH=$arch
2983CC=$cc
2984AS=$as
2985LD=$ld
2986DEPCC=$dep_cc
2987YASM=$yasmexe
a4aea515 2988YASMDEP=$yasmexe
173c983b
MR
2989AR=$ar
2990RANLIB=$ranlib
4335125c 2991CP=cp -p
173c983b
MR
2992LN_S=$ln_s
2993STRIP=$strip
2994CPPFLAGS=$CPPFLAGS
2995CFLAGS=$CFLAGS
2996ASFLAGS=$ASFLAGS
2997CC_O=$CC_O
2998LDFLAGS=$LDFLAGS
2999FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3000SHFLAGS=$SHFLAGS
3001YASMFLAGS=$YASMFLAGS
3002BUILDSUF=$build_suffix
3003FULLNAME=$FULLNAME
3004LIBPREF=$LIBPREF
3005LIBSUF=$LIBSUF
3006LIBNAME=$LIBNAME
3007SLIBPREF=$SLIBPREF
3008SLIBSUF=$SLIBSUF
3009EXESUF=$EXESUF
3010EXTRA_VERSION=$extra_version
3011DEPFLAGS=$DEPFLAGS
3012CCDEP=$CCDEP
3013ASDEP=$ASDEP
3014CC_DEPFLAGS=$CC_DEPFLAGS
3015AS_DEPFLAGS=$AS_DEPFLAGS
3016HOSTCC=$host_cc
3017HOSTCFLAGS=$host_cflags
3018HOSTEXESUF=$HOSTEXESUF
3019HOSTLDFLAGS=$host_ldflags
3020HOSTLIBS=$host_libs
3021TARGET_EXEC=$target_exec
3022TARGET_PATH=$target_path
3023SDL_LIBS=$sdl_libs
3024SDL_CFLAGS=$sdl_cflags
3025LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3026EXTRALIBS=$extralibs
fd676deb 3027INSTALL=install
1afc4750
MR
3028LIBTARGET=${LIBTARGET}
3029SLIBNAME=${SLIBNAME}
3030SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3031SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3032SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3033SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3034SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3035SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3036SAMPLES=$samples
173c983b 3037EOF
5a872801 3038
719c8e00
MR
3039get_version(){
3040 name=$1
3041 file=$source_path/$2
147e7692
MR
3042 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3043 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3044 lcname=$(tolower $name)
3045 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3046 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3047}
3048
147e7692
MR
3049get_version LIBSWSCALE libswscale/swscale.h
3050get_version LIBPOSTPROC libpostproc/postprocess.h
3051get_version LIBAVCODEC libavcodec/avcodec.h
3052get_version LIBAVDEVICE libavdevice/avdevice.h
3053get_version LIBAVFORMAT libavformat/avformat.h
3054get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3055get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3056
173c983b
MR
3057enabled asmalign_pot || align_shift="1 <<"
3058
3059cat > $TMPH <<EOF
3060/* Automatically generated by configure - do not modify! */
3061#ifndef FFMPEG_CONFIG_H
3062#define FFMPEG_CONFIG_H
3063#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3064#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3065#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3066#define CC_TYPE "$cc_type"
3067#define CC_VERSION $cc_version
3068#define restrict $_restrict
3069#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3070#define EXTERN_PREFIX "${extern_prefix}"
3071#define EXTERN_ASM ${extern_prefix}
3072EOF
523ef551 3073
4ae40685
MR
3074test -n "$malloc_prefix" &&
3075 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3076
523ef551 3077if enabled small || disabled optimizations; then
9a894c48 3078 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3079 echo "#define av_always_inline" >> $TMPH
3080fi
3081
3d907e22
MR
3082print_config ARCH_ $TMPH config.mak $ARCH_LIST
3083print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3084print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3085 $CONFIG_EXTRA \
7483e694
DB
3086 $DECODER_LIST \
3087 $ENCODER_LIST \
5666fd73 3088 $HWACCEL_LIST \
7483e694
DB
3089 $PARSER_LIST \
3090 $BSF_LIST \
3091 $DEMUXER_LIST \
3092 $MUXER_LIST \
f7679c54 3093 $FILTER_LIST \
7483e694
DB
3094 $PROTOCOL_LIST \
3095 $INDEV_LIST \
3096 $OUTDEV_LIST \
8ac17293 3097
9c05103f 3098echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3099echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3100
b7860763 3101# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3102cp_if_changed $TMPH config.h
3d204385 3103
a3e02a8c
MR
3104cat > $TMPH <<EOF
3105/* Generated by ffconf */
3106#ifndef AVUTIL_AVCONFIG_H
3107#define AVUTIL_AVCONFIG_H
3108EOF
3109
3110print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3111
3112echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3113
3114cp_if_changed $TMPH libavutil/avconfig.h
3115
d0674868 3116# build pkg-config files
def4272a 3117
d0674868
DB
3118pkgconfig_generate(){
3119name=$1
b0dfd108 3120shortname=${name#lib}${build_suffix}
d0674868
DB
3121comment=$2
3122version=$3
3123libs=$4
3124requires=$5
25cd5cb3 3125cat <<EOF > $name/$name.pc
3e89171a 3126prefix=$prefix
a94e666c 3127exec_prefix=\${prefix}
f2b7382c 3128libdir=$libdir
7622778e 3129includedir=$incdir
def4272a 3130
d0674868
DB
3131Name: $name
3132Description: $comment
3133Version: $version
8cd6b388 3134Requires: $(enabled shared || echo $requires)
5dcfe9f8 3135Requires.private: $(enabled shared && echo $requires)
def4272a 3136Conflicts:
8cd6b388 3137Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3138Libs.private: $(enabled shared && echo $libs)
76a448ed 3139Cflags: -I\${includedir}
def4272a 3140EOF
25cd5cb3 3141cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3142prefix=
3143exec_prefix=
46d1ff83 3144libdir=\${pcfiledir}
1d44d365 3145includedir=${source_path}
def4272a 3146
d0674868
DB
3147Name: $name
3148Description: $comment
3149Version: $version
3150Requires: $requires
def4272a 3151Conflicts:
12701f6e 3152Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3153Cflags: -I\${includedir}
3154EOF
d0674868 3155}
def4272a 3156
e426941d 3157pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3158pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3159pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3160pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3161enabled avfilter &&
46983309 3162 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3163enabled postproc &&
e426941d 3164 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3165pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"