100L, revert r22560, already present
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
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
3952471d 320 for _; 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
MR
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
MR
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
85bca2c5
DB
437disabled_any(){
438 for opt; do
439 disabled $opt && return 0
440 done
f7b230a7 441 return 1
85bca2c5
DB
442}
443
c9d19248
MR
444set_default(){
445 for opt; do
88268e94 446 eval : \${$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#!}"
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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
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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 $TMPC
dcd479c0
MR
591}
592
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593check_as(){
594 log check_as "$@"
595 cat > $TMPC
596 log_file $TMPC
2f2e6c7c 597 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
598}
599
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MR
600check_asm(){
601 log check_asm "$@"
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
MR
608EOF
609}
610
304d586d
LM
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 $libs
dcd479c0
MR
628}
629
50a334e4
MR
630check_cppflags(){
631 log check_cppflags "$@"
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
3abe5fbd 910 hardcoded_tables
f7b8bffe 911 libdc1394
690bfceb 912 libdirac
2eed5a46
DB
913 libfaac
914 libfaad
915 libfaadbin
c88f5d72 916 libgsm
6ebe07fb 917 libmp3lame
c88f5d72 918 libnut
0b175caa
DB
919 libopencore_amrnb
920 libopencore_amrwb
9a77d59a 921 libopenjpeg
f7cd9eed 922 libschroedinger
ae14f311 923 libspeex
150d2772 924 libtheora
c88f5d72 925 libvorbis
1cc60c47
DB
926 libx264
927 libxvid
f4d608e3 928 lpc
b781cc12 929 lsp
47a158cb 930 mdct
c88f5d72 931 memalign_hack
a8150374 932 mlib
c88f5d72
MR
933 mpegaudio_hp
934 network
3fe142e2 935 nonfree
8a3c8627 936 pic
4a24ab64 937 postproc
2b4c3615 938 powerpc_perf
68602540 939 rdft
e90f5b5a 940 runtime_cpudetect
2e35e684 941 shared
bd2216e4 942 small
6b35d421 943 sram
2e35e684 944 static
5a0f7131 945 swscale
a9ddb5b1 946 swscale_alpha
17492d5e
DB
947 vaapi
948 vdpau
9cad0e4e 949 version3
56a059ac 950 x11grab
c88f5d72 951 zlib
4a0d6686 952"
c88f5d72 953
8eee7025
DB
954THREADS_LIST='
955 beosthreads
d22e8442 956 os2threads
8eee7025
DB
957 pthreads
958 w32threads
959'
960
3f5b56e5
MR
961ARCH_LIST='
962 alpha
a2fc0f6a 963 arm
fdcd782d
MR
964 avr32
965 avr32_ap
966 avr32_uc
3f5b56e5
MR
967 bfin
968 ia64
969 m68k
970 mips
bae3abb0 971 mips64
3f5b56e5 972 parisc
79cb09b2 973 ppc
34d11b87 974 ppc64
3f5b56e5
MR
975 s390
976 sh4
977 sparc
978 sparc64
0844bae1 979 tomi
3f5b56e5
MR
980 x86
981 x86_32
982 x86_64
983'
984
985ARCH_EXT_LIST='
1ac9331a 986 altivec
3bf96eec 987 amd3dnow
a1ef9f08 988 amd3dnowext
1ac9331a 989 armv5te
edab3048 990 armv6
ab5cb084 991 armv6t2
f55b299a 992 armvfp
3f5b56e5
MR
993 iwmmxt
994 mmi
995 mmx
d7f0920b 996 mmx2
6b18d278 997 neon
799fde37 998 ppc4xx
1bb04d5a 999 sse
9eeed841 1000 ssse3
bd9d34a0 1001 vis
3f5b56e5
MR
1002'
1003
a3e02a8c
MR
1004HAVE_LIST_PUB='
1005 bigendian
1006'
1007
3f5b56e5
MR
1008HAVE_LIST="
1009 $ARCH_EXT_LIST
a3e02a8c 1010 $HAVE_LIST_PUB
3f5b56e5 1011 $THREADS_LIST
35fd8122 1012 alsa_asoundlib_h
3f5b56e5 1013 altivec_h
c9fdab0d 1014 arpa_inet_h
dffb41b9 1015 attribute_may_alias
e7ea5e3d 1016 attribute_packed
6bd859d6 1017 bswap
ecf97f22 1018 closesocket
1ac9331a 1019 cmov
e16e49ac 1020 conio_h
c88f5d72 1021 dcbzl
f8aa696f
DB
1022 dev_bktr_ioctl_bt848_h
1023 dev_bktr_ioctl_meteor_h
1024 dev_ic_bt8xx_h
1025 dev_video_meteor_ioctl_meteor_h
1026 dev_video_bktr_ioctl_bt848_h
18b67ae5 1027 dlfcn_h
c88f5d72 1028 dlopen
bc574408 1029 dos_paths
245626d0
DB
1030 ebp_available
1031 ebx_available
6b7c7703
VS
1032 exp2
1033 exp2f
c2a29455 1034 fast_64bit
669b5583 1035 fast_clz
7073e9fc 1036 fast_cmov
7b829d2a 1037 fast_unaligned
9d99cc5a 1038 fork
84882df6 1039 getaddrinfo
da9e86f8 1040 gethrtime
fc5607f8 1041 GetProcessMemoryInfo
4e68cb8a 1042 GetProcessTimes
66be5b45 1043 getrusage
fc5607f8 1044 struct_rusage_ru_maxrss
2e1913b1 1045 inet_aton
61d251db 1046 inline_asm
abfc8d05 1047 isatty
9f5ff83f 1048 ldbrx
0b4a1821
AS
1049 libdc1394_1
1050 libdc1394_2
a33cab3a 1051 llrint
d96cd429
MR
1052 local_aligned_16
1053 local_aligned_8
291fd18a 1054 log2
6b7c7703 1055 log2f
85dd97ad 1056 loongson
a33cab3a 1057 lrint
c88f5d72 1058 lrintf
e4673692 1059 lzo1x_999_compress
f8aa696f
DB
1060 machine_ioctl_bt848_h
1061 machine_ioctl_meteor_h
c88f5d72
MR
1062 malloc_h
1063 memalign
6ffa87d3 1064 mkstemp
b4e806b2 1065 pld
1f91cdce 1066 posix_memalign
a33cab3a
MK
1067 round
1068 roundf
c88f5d72
MR
1069 sdl
1070 sdl_video_size
b507ebd1 1071 setmode
72be9e73 1072 socklen_t
deb29777 1073 soundcard_h
f8cda19e 1074 poll_h
0104b608 1075 setrlimit
c0018613 1076 struct_addrinfo
b4d68544
MS
1077 struct_ipv6_mreq
1078 struct_sockaddr_in6
3b2372bf 1079 struct_sockaddr_sa_len
33a4dbdd 1080 struct_sockaddr_storage
b58412f1 1081 sys_mman_h
b091aa44 1082 sys_resource_h
81644c2e 1083 sys_select_h
deb29777 1084 sys_soundcard_h
1b6e8b73 1085 sys_videoio_h
d3a4b4e0 1086 ten_operands
e16e49ac 1087 termios_h
b265431e 1088 threads
7b04b8a0 1089 truncf
ce742de2 1090 vfp_args
7c5bfe7a 1091 VirtualAlloc
6ff3f3e7 1092 winsock2_h
cc078b5d 1093 xform_asm
304d586d 1094 yasm
0cb78cef 1095"
44161118 1096
b6bb00b0
MR
1097# options emitted with CONFIG_ prefix but not available on command line
1098CONFIG_EXTRA="
dc4f5a1c 1099 avutil
9cad0e4e
DB
1100 gplv3
1101 lgplv3
b6bb00b0
MR
1102"
1103
520cc7f1 1104CMDLINE_SELECT="
3f5b56e5 1105 $ARCH_EXT_LIST
520cc7f1 1106 $CONFIG_LIST
8eee7025 1107 $THREADS_LIST
c8a4ae00 1108 asm
db6107b6 1109 cross_compile
520cc7f1
MR
1110 debug
1111 extra_warnings
8c6afa4d 1112 logging
d2bbb2f7 1113 optimizations
87a0fb62 1114 stripping
7595a5e4 1115 yasm
520cc7f1 1116"
426be5dc
DB
1117
1118PATHS_LIST='
d156bede 1119 bindir
14a8acf1 1120 datadir
26759c44
MR
1121 incdir
1122 libdir
26759c44
MR
1123 mandir
1124 prefix
1125 shlibdir
426be5dc
DB
1126'
1127
1128CMDLINE_SET="
1129 $PATHS_LIST
1130 arch
313c46a6 1131 as
426be5dc
DB
1132 build_suffix
1133 cc
1134 cpu
1135 cross_prefix
50567afa 1136 dep_cc
ac63af34 1137 extra_version
9da6609f
MR
1138 host_cc
1139 host_cflags
1140 host_ldflags
1141 host_libs
82bb3329 1142 host_os
684b28e0 1143 ld
426be5dc 1144 logfile
4ae40685 1145 malloc_prefix
89641463 1146 nm
2fad0977 1147 samples
26759c44 1148 source_path
4f837398 1149 strip
c5200f17
MR
1150 sysinclude
1151 sysroot
a7ada2ba 1152 target_exec
26759c44 1153 target_os
a7ada2ba 1154 target_path
426be5dc 1155"
520cc7f1 1156
89f2932b
MR
1157CMDLINE_APPEND="
1158 extra_cflags
1159"
1160
912f3148
DB
1161# code dependency declarations
1162
9eeed841 1163# architecture extensions
808fa33c 1164
a2fc0f6a
MR
1165armv5te_deps="arm"
1166armv6_deps="arm"
ab5cb084 1167armv6t2_deps="arm"
a2fc0f6a
MR
1168armvfp_deps="arm"
1169iwmmxt_deps="arm"
808fa33c
MR
1170neon_deps="arm"
1171
e241ba14 1172mmi_deps="mips"
808fa33c
MR
1173
1174altivec_deps="ppc"
1175ppc4xx_deps="ppc"
1176
1177vis_deps="sparc"
1178
7f8c3d1f 1179x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1180amd3dnow_deps="mmx"
1181amd3dnowext_deps="amd3dnow"
9eeed841 1182mmx_deps="x86"
75aa95a6 1183mmx2_deps="mmx"
75aa95a6
DB
1184sse_deps="mmx"
1185ssse3_deps="sse"
9eeed841 1186
e939cedd 1187fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1188fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1189fast_unaligned_if_any="armv6 ppc x86"
669b5583 1190
89e053f8 1191need_memalign="altivec neon sse"
6fec122a 1192inline_asm_deps="!tms470"
89e053f8 1193
26fbcc85
MR
1194# subsystems
1195mdct_select="fft"
1196rdft_select="fft"
1197
5666fd73 1198# decoders / encoders / hardware accelerators
49351479 1199aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1200aac_encoder_select="mdct"
1201ac3_decoder_select="mdct ac3_parser"
f4d608e3 1202alac_encoder_select="lpc"
b781cc12 1203amrnb_decoder_select="lsp"
084cbbaa 1204atrac1_decoder_select="mdct"
26fbcc85
MR
1205atrac3_decoder_select="mdct"
1206binkaudio_dct_decoder_select="mdct rdft dct"
1207binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1208cavs_decoder_select="golomb"
26fbcc85 1209cook_decoder_select="mdct"
2eef7c62 1210cscd_decoder_suggest="zlib"
26fbcc85 1211dca_decoder_select="mdct"
e8ed9b7a 1212dnxhd_encoder_select="aandct"
2eef7c62 1213dxa_decoder_select="zlib"
baf91bb9 1214eac3_decoder_select="ac3_decoder"
84c04e25 1215eamad_decoder_select="aandct"
e8ed9b7a 1216eatgq_decoder_select="aandct"
d52b39c7 1217eatqi_decoder_select="aandct"
4f034993
MR
1218ffv1_decoder_select="golomb"
1219flac_decoder_select="golomb"
f4d608e3 1220flac_encoder_select="golomb lpc"
2eef7c62
AJ
1221flashsv_decoder_select="zlib"
1222flashsv_encoder_select="zlib"
4414137e 1223flv_decoder_select="h263_decoder"
4d4b4bd1 1224flv_encoder_select="h263_encoder"
e8ed9b7a 1225h261_encoder_select="aandct"
7f647ae0 1226h263_decoder_select="h263_parser"
e8ed9b7a 1227h263_encoder_select="aandct"
ff418735 1228h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1229h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1230h263i_decoder_select="h263_decoder"
fe629c2d 1231h263p_encoder_select="h263_encoder"
4f034993 1232h264_decoder_select="golomb"
92c6a099
LA
1233h264_dxva2_hwaccel_deps="dxva2api_h"
1234h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1235h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1236h264_vaapi_hwaccel_select="vaapi"
711dae77 1237h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1238h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1239imc_decoder_select="fft mdct"
4f034993
MR
1240jpegls_decoder_select="golomb"
1241jpegls_encoder_select="golomb"
e8ed9b7a 1242ljpeg_encoder_select="aandct"
4f034993 1243loco_decoder_select="golomb"
e8ed9b7a 1244mjpeg_encoder_select="aandct"
2cca233b 1245mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1246mpeg1video_encoder_select="aandct"
1247mpeg2video_encoder_select="aandct"
4414137e 1248mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1249mpeg4_encoder_select="h263_encoder"
711dae77 1250mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1251mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1252mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1253mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1254mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1255mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1256mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1257mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1258mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1259mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1260mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1261mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1262msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1263msmpeg4v1_encoder_select="h263_encoder"
4414137e 1264msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1265msmpeg4v2_encoder_select="h263_encoder"
4414137e 1266msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1267msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1268nellymoser_decoder_select="mdct"
1269nellymoser_encoder_select="mdct"
2eef7c62
AJ
1270png_decoder_select="zlib"
1271png_encoder_select="zlib"
b781cc12 1272qcelp_decoder_select="lsp"
26fbcc85 1273qdm2_decoder_select="mdct rdft"
a8beb22f 1274rv10_decoder_select="h263_decoder"
b2bf38b4 1275rv10_encoder_select="h263_encoder"
a8beb22f 1276rv20_decoder_select="h263_decoder"
b2bf38b4 1277rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1278rv30_decoder_select="golomb"
1279rv40_decoder_select="golomb"
4f034993 1280shorten_decoder_select="golomb"
b781cc12 1281sipr_decoder_select="lsp"
05aec7bb
MR
1282snow_decoder_select="dwt"
1283snow_encoder_select="aandct dwt"
4f034993
MR
1284sonic_decoder_select="golomb"
1285sonic_encoder_select="golomb"
1286sonic_ls_encoder_select="golomb"
19ecfb8a 1287svq1_encoder_select="aandct"
4f034993 1288svq3_decoder_select="golomb"
bee2eac5 1289svq3_decoder_suggest="zlib"
4eef77c1 1290theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1291tiff_decoder_suggest="zlib"
1292tiff_encoder_suggest="zlib"
aec09a00 1293truehd_decoder_select="mlp_decoder"
2eef7c62 1294tscc_decoder_select="zlib"
b781cc12 1295twinvq_decoder_select="mdct lsp"
f95bfab0 1296vc1_decoder_select="h263_decoder"
9104cd51 1297vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1298vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1299vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1300vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1301vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1302vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1303vorbis_decoder_select="mdct"
1304vorbis_encoder_select="mdct"
e82dc4c9
DB
1305vp6a_decoder_select="vp6_decoder"
1306vp6f_decoder_select="vp6_decoder"
084cbbaa 1307wmapro_decoder_select="mdct"
26fbcc85
MR
1308wmav1_decoder_select="mdct"
1309wmav1_encoder_select="mdct"
1310wmav2_decoder_select="mdct"
1311wmav2_encoder_select="mdct"
b781cc12 1312wmavoice_decoder_select="lsp"
f95bfab0 1313wmv1_decoder_select="h263_decoder"
665507aa 1314wmv1_encoder_select="h263_encoder"
f95bfab0 1315wmv2_decoder_select="h263_decoder"
1746e2a9 1316wmv2_encoder_select="h263_encoder"
015f8ee0 1317wmv3_decoder_select="vc1_decoder"
f0f86627 1318wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1319wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1320wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1321zlib_decoder_select="zlib"
1322zlib_encoder_select="zlib"
1323zmbv_decoder_select="zlib"
1324zmbv_encoder_select="zlib"
30fd06be 1325
28b80940
DB
1326# parsers
1327h264_parser_select="golomb"
1328
f1e94694
DB
1329# bitstream_filters
1330aac_adtstoasc_bsf_select="aac_parser"
1331
912f3148 1332# external libraries
1b71f045 1333libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1334libdirac_encoder_deps="libdirac"
c9171a83 1335libfaac_encoder_deps="libfaac"
69ddbd1d 1336libfaad_decoder_deps="libfaad"
4ec45764 1337libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1338libgsm_decoder_deps="libgsm"
1339libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1340libgsm_ms_decoder_deps="libgsm"
1341libgsm_ms_encoder_deps="libgsm"
1cc60c47 1342libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1343libopencore_amrnb_decoder_deps="libopencore_amrnb"
1344libopencore_amrnb_encoder_deps="libopencore_amrnb"
1345libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1346libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1347libschroedinger_decoder_deps="libschroedinger"
1348libschroedinger_encoder_deps="libschroedinger"
ae14f311 1349libspeex_decoder_deps="libspeex"
150d2772 1350libtheora_encoder_deps="libtheora"
b0caf888 1351libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1352libx264_encoder_deps="libx264"
1353libxvid_encoder_deps="libxvid"
30fd06be 1354
912f3148 1355# demuxers / muxers
03a76ba9 1356ac3_demuxer_deps="ac3_parser"
647c2356 1357asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1358avisynth_demuxer_deps="avisynth"
1359dirac_demuxer_deps="dirac_parser"
5b423887 1360eac3_demuxer_select="ac3_parser"
647c2356 1361ipod_muxer_select="mov_muxer"
4e622dea
SS
1362libnut_demuxer_deps="libnut"
1363libnut_muxer_deps="libnut"
647c2356 1364matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1365matroska_demuxer_suggest="zlib bzlib"
1366mov_demuxer_suggest="zlib"
1367mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1368mp4_muxer_select="mov_muxer"
1369mpegtsraw_demuxer_select="mpegts_demuxer"
1370mxf_d10_muxer_select="mxf_muxer"
24ca518b 1371ogg_demuxer_select="golomb"
647c2356 1372psp_muxer_select="mov_muxer"
4e622dea 1373rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1374rtsp_muxer_deps="sdp_demuxer"
1375rtsp_muxer_select="rtp_muxer"
4e622dea 1376sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1377sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1378spdif_muxer_select="aac_parser"
647c2356
DB
1379tg2_muxer_select="mov_muxer"
1380tgp_muxer_select="mov_muxer"
6bdaa5f4 1381w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1382
1383# indevs / outdevs
38e54a75
SS
1384alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1385alsa_indev_extralibs="-lasound"
1386alsa_outdev_deps="alsa_asoundlib_h"
1387alsa_outdev_extralibs="-lasound"
1388audio_beos_indev_deps="audio_beos"
1389audio_beos_indev_extralibs="-lmedia -lbe"
1390audio_beos_outdev_deps="audio_beos"
1391audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1392bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1393dv1394_indev_deps="dv1394 dv_demuxer"
1394jack_indev_deps="jack_jack_h"
1395jack_indev_extralibs="-ljack"
1396libdc1394_indev_deps="libdc1394"
38e54a75
SS
1397oss_indev_deps_any="soundcard_h sys_soundcard_h"
1398oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1399v4l_indev_deps="linux_videodev_h"
1400v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1401vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1402vfwcap_indev_extralibs="-lavicap32"
38e54a75 1403x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1404x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1405
912f3148 1406# protocols
3fff6382 1407gopher_protocol_deps="network"
c08fb000 1408http_protocol_deps="network"
279a0c97 1409http_protocol_select="tcp_protocol"
cbf29889 1410rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1411rtp_protocol_deps="udp_protocol"
1412tcp_protocol_deps="network"
1413udp_protocol_deps="network"
1414
f7679c54 1415# filters
81124ba0 1416movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1417avfilter_lavf_deps="avformat"
1418
1419# libraries
1420avdevice_deps="avcodec avformat"
1421avformat_deps="avcodec"
f7679c54 1422
912f3148 1423# programs
5a0f7131
MR
1424ffmpeg_deps="avcodec avformat swscale"
1425ffplay_deps="avcodec avformat swscale sdl"
43689902 1426ffplay_select="rdft"
336ce917 1427ffprobe_deps="avcodec avformat"
5a0f7131 1428ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1429ffserver_extralibs='$ldl'
a2830dca 1430
c73f65d9 1431doc_deps="texi2html"
912f3148 1432
de6d9b64 1433# default parameters
8a608357 1434
2ba042a7 1435logfile="config.err"
8a608357
MR
1436
1437# installation paths
c9d19248
MR
1438prefix_default="/usr/local"
1439bindir_default='${prefix}/bin'
14a8acf1 1440datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1441incdir_default='${prefix}/include'
1442libdir_default='${prefix}/lib'
1443mandir_default='${prefix}/share/man'
1444shlibdir_default="$libdir_default"
8a608357
MR
1445
1446# toolchain
11e6d03a 1447ar="ar"
13c7df3d 1448cc_default="gcc"
a3d7c197 1449cc_version=\"unknown\"
9da6609f 1450host_cc_default="gcc"
11e6d03a 1451ln_s="ln -sf"
89641463 1452nm_default="nm"
11e6d03a 1453objformat="elf"
be7109c1 1454ranlib="ranlib"
4f837398 1455strip_default="strip"
11e6d03a 1456yasmexe="yasm"
8a608357 1457
8182dc34
MR
1458nm_opts='-g'
1459
8a608357 1460# machine
8d4c00ed 1461arch_default=$(uname -m)
38d0a8aa 1462cpu="generic"
8a608357 1463
8a608357 1464# OS
8d4c00ed
MR
1465target_os_default=$(tolower $(uname -s))
1466host_os=$target_os_default
8a608357 1467
8a608357 1468# configurable options
5a0f7131
MR
1469enable avcodec
1470enable avdevice
1471enable avformat
dc4f5a1c 1472enable avutil
c8a4ae00 1473enable asm
497237c7 1474enable debug
c73f65d9 1475enable doc
aa033b1e 1476enable fastdiv
497237c7
RP
1477enable ffmpeg
1478enable ffplay
336ce917 1479enable ffprobe
497237c7 1480enable ffserver
497237c7
RP
1481enable mpegaudio_hp
1482enable network
8400d6b8 1483enable optimizations
497237c7 1484enable protocols
530dc538 1485enable static
87a0fb62 1486enable stripping
5a0f7131 1487enable swscale
a9ddb5b1 1488enable swscale_alpha
8a608357 1489
8a608357 1490# build settings
9987769a 1491SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1492FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1493LIBPREF="lib"
1494LIBSUF=".a"
c5f14466
RP
1495FULLNAME='$(NAME)$(BUILDSUF)'
1496LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1497SLIBPREF="lib"
1498SLIBSUF=".so"
c5f14466 1499SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1500SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1501SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1502LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1503
7e6c86e6
MR
1504CC_O='-o $@'
1505
f0125de9 1506host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1507host_libs='-lm'
1508
9b861379 1509target_path='$(CURDIR)'
a7ada2ba 1510
0d7dca36
DB
1511# gcc stupidly only outputs the basename of targets with -MM, but we need the
1512# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1513DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1514DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1515
c597172e 1516# find source path
5e622c40 1517source_path="$(dirname "$0")"
497237c7 1518enable source_path_used
24524f36 1519if test -f configure; then
5e622c40 1520 source_path="$(pwd)"
497237c7 1521 disable source_path_used
c597172e 1522else
5e622c40 1523 source_path="$(cd "$source_path"; pwd)"
c597172e 1524 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1525 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1526 test -e "$source_path/config.h" &&
1527 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1528fi
1529
13cbe2c0 1530for v in "$@"; do
b04251c5
MR
1531 r=${v#*=}
1532 l=${v%"$r"}
1533 r=$(sh_quote "$r")
13cbe2c0
MR
1534 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1535done
c597172e 1536
73ef8980
MR
1537find_things(){
1538 thing=$1
1539 pattern=$2
1540 file=$source_path/$3
932ccf39 1541 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1542}
1543
1544ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1545DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1546HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1547PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1548BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1549MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1550DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1551OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1552INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1553PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1554FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1555
7483e694
DB
1556enable $ARCH_EXT_LIST \
1557 $DECODER_LIST \
1558 $ENCODER_LIST \
5666fd73 1559 $HWACCEL_LIST \
7483e694
DB
1560 $PARSER_LIST \
1561 $BSF_LIST \
1562 $DEMUXER_LIST \
1563 $MUXER_LIST \
f7679c54 1564 $FILTER_LIST \
7483e694
DB
1565 $PROTOCOL_LIST \
1566 $INDEV_LIST \
1567 $OUTDEV_LIST \
c597172e
MR
1568
1569die_unknown(){
1570 echo "Unknown option \"$1\"."
1571 echo "See $0 --help for available options."
1572 exit 1
1573}
1574
794f8e97 1575show_list() {
bf0c4afa
RP
1576 suffix=_$1
1577 shift
2b444ea7 1578 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1579 exit 0
1580}
1581
c597172e 1582for opt do
7483e694
DB
1583 optval="${opt#*=}"
1584 case "$opt" in
0f010b2f 1585 --extra-ldflags=*) add_ldflags $optval
7483e694 1586 ;;
0f010b2f 1587 --extra-libs=*) add_extralibs $optval
7483e694 1588 ;;
8fb1cb58 1589 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1590 ;;
40bcf4c7
BL
1591 --enable-debug=*) debuglevel="$optval"
1592 ;;
36e2dea0
MR
1593 --disable-everything)
1594 map 'eval disable \${$(toupper ${_%s})_LIST}' $COMPONENT_LIST
1595 ;;
7483e694 1596 --enable-*=*|--disable-*=*)
8b93ddc3 1597 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1598 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1599 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1600 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1601 $action $(filter "$name" $list)
7483e694
DB
1602 ;;
1603 --enable-?*|--disable-?*)
5e622c40 1604 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1605 if is_in $option $COMPONENT_LIST; then
fed5d54b 1606 test $action = disable && action=unset
e3773a55
MR
1607 eval $action \$$(toupper ${option%s})_LIST
1608 elif is_in $option $CMDLINE_SELECT; then
1609 $action $option
1610 else
1611 die_unknown $opt
1612 fi
7483e694
DB
1613 ;;
1614 --list-*)
1615 NAME="${opt#--list-}"
1616 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1617 NAME=${NAME%s}
1618 eval show_list $NAME \$$(toupper $NAME)_LIST
1619 ;;
1620 --help|-h) show_help
1621 ;;
1622 *)
884a36a7 1623 optname="${opt%%=*}"
26759c44
MR
1624 optname="${optname#--}"
1625 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1626 if is_in $optname $CMDLINE_SET; then
1627 eval $optname='$optval'
1628 elif is_in $optname $CMDLINE_APPEND; then
1629 append $optname "$optval"
1630 else
1631 die_unknown $opt
1632 fi
7483e694
DB
1633 ;;
1634 esac
c597172e
MR
1635done
1636
bcea99bb
MR
1637disabled logging && logfile=/dev/null
1638
13cbe2c0 1639echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1640set >> $logfile
1641
9da6609f
MR
1642test -n "$cross_prefix" && enable cross_compile
1643
8d4c00ed
MR
1644if enabled cross_compile; then
1645 test -n "$arch" && test -n "$target_os" ||
1646 die "Must specify target arch and OS when cross-compiling"
1647fi
1648
1649set_default arch target_os
1650
adb2b908 1651ar="${cross_prefix}${ar}"
11e6d03a 1652cc_default="${cross_prefix}${cc_default}"
20e0ed95 1653nm_default="${cross_prefix}${nm_default}"
adb2b908 1654ranlib="${cross_prefix}${ranlib}"
4f837398 1655strip_default="${cross_prefix}${strip_default}"
adb2b908 1656
c5200f17
MR
1657sysinclude_default="${sysroot}/usr/include"
1658
4f837398 1659set_default cc nm strip sysinclude
9da6609f
MR
1660enabled cross_compile || host_cc_default=$cc
1661set_default host_cc
13c7df3d 1662
82bb3329
MR
1663exesuf() {
1664 case $1 in
1665 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1666 esac
1667}
1668
1669EXESUF=$(exesuf $target_os)
1670HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1671
e4e69e0b 1672# set temporary file name
a49d42c2 1673: ${TMPDIR:=$TEMPDIR}
c51fafa1 1674: ${TMPDIR:=$TMP}
a49d42c2 1675: ${TMPDIR:=/tmp}
e4e69e0b 1676
54460a83
MR
1677if ! check_cmd type mktemp; then
1678 # simple replacement for missing mktemp
1679 # NOT SAFE FOR GENERAL USE
1680 mktemp(){
1681 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1682 }
1683fi
1684
1685tmpfile(){
1686 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1687 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1688 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1689 append TMPFILES $tmp
1690 eval $1=$tmp
1691}
1692
1693trap 'rm -f -- $TMPFILES' EXIT
1694trap exit HUP INT TERM
1695
1696tmpfile TMPC .c
1697tmpfile TMPE $EXESUF
1698tmpfile TMPH .h
1699tmpfile TMPO .o
1700tmpfile TMPS .S
a482e61b 1701tmpfile TMPV .ver
54460a83
MR
1702tmpfile TMPSH .sh
1703
1704unset -f mktemp
e4e69e0b 1705
993f2d0f
MR
1706# make sure we can execute files in $TMPDIR
1707cat > $TMPSH 2>> $logfile <<EOF
1708#! /bin/sh
1709EOF
1710chmod +x $TMPSH >> $logfile 2>&1
1711if ! $TMPSH >> $logfile 2>&1; then
1712 cat <<EOF
1713Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1714variable to another directory and make sure that it is not mounted noexec.
1715EOF
1716 die "Sanity test failed."
1717fi
993f2d0f 1718
19b4c628
MR
1719filter_cflags=echo
1720filter_cppflags=echo
1721filter_asflags=echo
1722
8f0c157a 1723if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1724 cc_type=gcc
a3d7c197 1725 cc_version=__VERSION__
aef6bd1b
MR
1726 if ! $cc -dumpversion | grep -q '^2\.'; then
1727 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1728 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1729 fi
14ca9cd0
MR
1730 speed_cflags='-O3'
1731 size_cflags='-Os'
629687f6
MR
1732elif $cc --version 2>/dev/null | grep -q Intel; then
1733 cc_type=icc
6e3fa35d 1734 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1735 CC_DEPFLAGS='-MMD'
1736 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1737 speed_cflags='-O3'
1738 size_cflags='-Os'
629687f6
MR
1739elif $cc -v 2>&1 | grep -q xlc; then
1740 cc_type=xlc
6e3fa35d 1741 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1742 speed_cflags='-O5'
1743 size_cflags='-O5 -qcompact'
df442a8d
MR
1744elif $cc -V 2>/dev/null | grep -q Compaq; then
1745 cc_type=ccc
6e3fa35d 1746 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1747 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1748 debuglevel=3
df442a8d 1749 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1750 speed_cflags='-fast'
1751 size_cflags='-O1'
6a0d5493 1752elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1753 test -d "$sysroot" || die "No valid sysroot specified."
1754 cc_type=armcc
6e3fa35d 1755 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1756 armcc_conf="$PWD/armcc.conf"
1757 $cc --arm_linux_configure \
1758 --arm_linux_config_file="$armcc_conf" \
1759 --configure_sysroot="$sysroot" \
1760 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1761 die "Error creating armcc configuration file."
1762 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1763 as_default="${cross_prefix}gcc"
07dec06e
MR
1764 CC_DEPFLAGS='-MMD'
1765 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1766 speed_cflags='-O3'
1767 size_cflags='-Os'
6fec122a
MR
1768elif $cc -version 2>/dev/null | grep -q TMS470; then
1769 cc_type=tms470
6e3fa35d 1770 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1771 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1772 CC_O='-fr=$(@D)'
1773 as_default="${cross_prefix}gcc"
1774 ld_default="${cross_prefix}gcc"
6fec122a
MR
1775 TMPO=$(basename $TMPC .c).o
1776 append TMPFILES $TMPO
1777 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1778 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1779 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1780 speed_cflags='-O3 -mf=5'
1781 size_cflags='-O3 -mf=2'
6fec122a
MR
1782 filter_cflags=tms470_flags
1783 tms470_flags(){
1784 for flag; do
1785 case $flag in
1786 -march=*|-mcpu=*)
1787 case "${flag#*=}" in
1788 armv7-a|cortex-a*) echo -mv=7a8 ;;
1789 armv7-r|cortex-r*) echo -mv=7r4 ;;
1790 armv7-m|cortex-m*) echo -mv=7m3 ;;
1791 armv6*|arm11*) echo -mv=6 ;;
1792 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1793 echo -mv=5e ;;
1794 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1795 esac
1796 ;;
1797 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1798 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1799 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1800 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1801 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1802 -g) echo -g -mn ;;
587d24ff 1803 -pds=*) echo $flag ;;
6fec122a
MR
1804 esac
1805 done
1806 }
06da6943
DC
1807elif $cc -v 2>&1 | grep -q clang; then
1808 cc_type=clang
1809 cc_version=__VERSION__
1810 CC_DEPFLAGS='-MMD'
1811 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1812 speed_cflags='-O3'
1813 size_cflags='-Os'
2a472e9c
MK
1814elif $cc -V 2>&1 | grep -q Sun; then
1815 cc_type=suncc
1816 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1817 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1818 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1819 speed_cflags='-O5'
1820 size_cflags='-O5 -xspace'
03279bbe
MK
1821 filter_cflags=suncc_flags
1822 suncc_flags(){
1823 for flag; do
1824 case $flag in
1825 -march=*|-mcpu=*)
1826 case "${flag#*=}" in
1827 native) echo -xtarget=native ;;
1828 v9) echo -xarch=sparc ;;
1829 ultrasparc) echo -xarch=sparcvis ;;
1830 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1831 i586|pentium) echo -xchip=pentium ;;
1832 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1833 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1834 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1835 pentium4*) echo -xtarget=pentium4 ;;
1836 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1837 *-sse3) echo -xarch=sse3 ;;
1838 core2) echo -xarch=ssse3 -xchip=core2 ;;
1839 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1840 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1841 k8|opteron|athlon64|athlon-fx)
1842 echo -xarch=sse2a ;;
1843 athlon*) echo -xarch=pentium_proa ;;
1844 esac
1845 ;;
1846 -std=c99) echo -xc99 ;;
1847 -fomit-frame-pointer) echo -xregs=frameptr ;;
1848 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1849 -W*,*) echo $flag ;;
1850 -f*-*|-W*) ;;
1851 *) echo $flag ;;
1852 esac
1853 done
1854 }
629687f6
MR
1855fi
1856
1857test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1858
75bafbac 1859: ${as_default:=$cc}
50567afa 1860: ${dep_cc_default:=$cc}
684b28e0 1861: ${ld_default:=$cc}
50567afa 1862set_default as dep_cc ld
75800dce 1863
07dec06e
MR
1864test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1865test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1866
7f32f40c 1867add_cflags $extra_cflags
2f2e6c7c 1868add_asflags $extra_cflags
7f32f40c 1869
154d432c
MR
1870if test -n "$sysroot"; then
1871 case "$cc_type" in
1872 gcc)
467256f2 1873 add_cppflags --sysroot="$sysroot"
154d432c
MR
1874 add_ldflags --sysroot="$sysroot"
1875 ;;
6fec122a
MR
1876 tms470)
1877 add_cppflags -I"$sysinclude"
1878 add_ldflags --sysroot="$sysroot"
1879 ;;
06da6943 1880 clang)
4def700e
DC
1881 add_cppflags -isysroot "$sysroot"
1882 add_ldflags -isysroot "$sysroot"
06da6943 1883 ;;
154d432c
MR
1884 esac
1885fi
1886
d22c13a8
MR
1887if test "$cpu" = host; then
1888 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1889
1890 case "$cc_type" in
1891 gcc)
1892 check_native(){
1893 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1894 sed -n "/$1=/{
1895 s/.*$1=\\([^ ]*\\).*/\\1/
1896 p
1897 q
1898 }" $TMPE
d22c13a8
MR
1899 }
1900 cpu=$(check_native -march || check_native -mcpu)
1901 ;;
1902 esac
1903
1904 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1905fi
1906
e939cedd
MR
1907# Deal with common $arch aliases
1908case "$arch" in
1909 arm*)
1910 arch="arm"
1911 ;;
1912 mips|mipsel|IP*)
1913 arch="mips"
1914 ;;
47b1860e 1915 mips64*)
e939cedd
MR
1916 arch="mips"
1917 subarch="mips64"
1918 ;;
1919 parisc|hppa)
1920 arch="parisc"
1921 ;;
1922 parisc64|hppa64)
1923 arch="parisc"
1924 subarch="parisc64"
1925 ;;
1926 "Power Macintosh"|ppc|powerpc)
1927 arch="ppc"
1928 ;;
47b1860e 1929 ppc64|powerpc64)
e939cedd
MR
1930 arch="ppc"
1931 subarch="ppc64"
1932 ;;
1933 s390|s390x)
1934 arch="s390"
1935 ;;
1936 sh4|sh)
1937 arch="sh4"
1938 ;;
1939 sun4u|sparc64)
1940 arch="sparc"
1941 subarch="sparc64"
1942 ;;
1943 i[3-6]86|i86pc|BePC|x86_64|amd64)
1944 arch="x86"
1945 ;;
1946esac
1947
1948is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1949enable $arch
e939cedd 1950
df5cdc24 1951# Add processor-specific flags
5d54c126
MR
1952if test "$cpu" = generic; then
1953 : do nothing
1954elif enabled ppc; then
343aef9b 1955
56348891
MR
1956 case $(tolower $cpu) in
1957 601|ppc601|powerpc601)
9dbd5c3d 1958 cpuflags="-mcpu=601"
64ad53ff 1959 disable altivec
9dbd5c3d 1960 ;;
56348891 1961 603*|ppc603*|powerpc603*)
9dbd5c3d 1962 cpuflags="-mcpu=603"
64ad53ff 1963 disable altivec
9dbd5c3d 1964 ;;
56348891 1965 604*|ppc604*|powerpc604*)
9dbd5c3d 1966 cpuflags="-mcpu=604"
64ad53ff 1967 disable altivec
9dbd5c3d 1968 ;;
56348891 1969 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1970 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1971 disable altivec
9dbd5c3d 1972 ;;
56348891 1973 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1974 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1975 ;;
56348891 1976 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1977 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1978 ;;
56348891 1979 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1980 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1981 ;;
56348891 1982 cell)
9dbd5c3d
MR
1983 cpuflags="-mcpu=cell"
1984 enable ldbrx
1985 ;;
7b0b81a1
AL
1986 e500v2)
1987 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1988 disable altivec
1989 ;;
1990 e500)
1991 cpuflags="-mcpu=8540 -mhard-float"
1992 disable altivec
1993 ;;
9dbd5c3d 1994 esac
343aef9b
MR
1995
1996elif enabled x86; then
1997
9dbd5c3d
MR
1998 case $cpu in
1999 i[345]86|pentium)
2000 cpuflags="-march=$cpu"
2001 disable mmx
2002 ;;
2003 # targets that do NOT support conditional mov (cmov)
2004 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2005 cpuflags="-march=$cpu"
2006 disable cmov
2007 ;;
2008 # targets that do support conditional mov (cmov)
2009 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2010 cpuflags="-march=$cpu"
2011 enable cmov
2012 enable fast_cmov
2013 ;;
2014 # targets that do support conditional mov but on which it's slow
2015 pentium4|pentium4m|prescott|nocona)
2016 cpuflags="-march=$cpu"
2017 enable cmov
2018 disable fast_cmov
2019 ;;
2020 esac
343aef9b
MR
2021
2022elif enabled sparc; then
2023
9dbd5c3d
MR
2024 case $cpu in
2025 sparc64)
2026 cpuflags="-mcpu=v9"
2027 ;;
2028 esac
343aef9b
MR
2029
2030elif enabled arm; then
2031
34ba23c9
MR
2032 case $cpu in
2033 armv*)
2034 cpuflags="-march=$cpu"
2035 ;;
2036 *)
2037 cpuflags="-mcpu=$cpu"
2038 ;;
2039 esac
343aef9b
MR
2040
2041elif enabled alpha; then
2042
34ba23c9 2043 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2044
2045elif enabled bfin; then
2046
34ba23c9 2047 cpuflags="-mcpu=$cpu"
343aef9b
MR
2048
2049elif enabled mips; then
2050
34ba23c9 2051 cpuflags="-march=$cpu"
343aef9b
MR
2052
2053elif enabled avr32; then
2054
9dbd5c3d
MR
2055 case $cpu in
2056 ap7[02]0[0-2])
2057 subarch="avr32_ap"
2058 cpuflags="-mpart=$cpu"
2059 ;;
2060 ap)
2061 subarch="avr32_ap"
2062 cpuflags="-march=$cpu"
2063 ;;
2064 uc3[ab]*)
2065 subarch="avr32_uc"
2066 cpuflags="-mcpu=$cpu"
2067 ;;
2068 uc)
2069 subarch="avr32_uc"
2070 cpuflags="-march=$cpu"
2071 ;;
2072 esac
df5cdc24 2073
343aef9b
MR
2074fi
2075
df5cdc24
MR
2076add_cflags $cpuflags
2077add_asflags $cpuflags
2078
993f2d0f
MR
2079# compiler sanity check
2080check_exec <<EOF
2081int main(void){ return 0; }
2082EOF
2083if test "$?" != 0; then
2084 echo "$cc is unable to create an executable file."
2085 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2086 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2087 echo "Only do this if you know what cross compiling means."
2088 fi
2089 die "C compiler test failed."
2090fi
2091
38a9c529 2092add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2093check_cflags -std=c99
50a334e4 2094check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2095#include <stdlib.h>
2096EOF
50a334e4 2097check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2098#include <stdlib.h>
2099EOF
e9b9a2f8 2100
f0125de9
MR
2101check_host_cflags -std=c99
2102
b24dbcbd 2103case "$arch" in
e939cedd 2104 alpha|ia64|mips|parisc|sparc)
8a3c8627 2105 spic=$shared
b24dbcbd 2106 ;;
e939cedd 2107 x86)
cfdb6148 2108 subarch="x86_32"
e939cedd 2109 check_cc <<EOF && subarch="x86_64"
58b3536d 2110 int test[(int)sizeof(char*) - 7];
cfdb6148 2111EOF
de27f4d9 2112 if test "$subarch" = "x86_64"; then
e939cedd 2113 spic=$shared
de27f4d9 2114 fi
b24dbcbd 2115 ;;
b24dbcbd
RP
2116esac
2117
343aef9b 2118enable $subarch
8a3c8627 2119enabled spic && enable pic
5755bc88 2120check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2121
7483e694 2122# OS specific
4f854758 2123case $target_os in
7483e694 2124 beos|haiku|zeta)
c9d19248 2125 prefix_default="$HOME/config"
7483e694 2126 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2127 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2128 case "$gcc_version" in
2129 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2130 disable mmx
2131 ;;
2132 *20010315*) echo "BeBits gcc"
0f010b2f 2133 add_cflags -fno-expensive-optimizations
7483e694
DB
2134 ;;
2135 esac
7483e694
DB
2136 SHFLAGS=-nostart
2137 # enable BeOS things
2138 enable audio_beos
2139 # no need for libm, but the inet stuff
2140 # Check for BONE
2141 # XXX: actually should check for NOT net_server
78fe7631 2142 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2143 network_extralibs="-lbind -lsocket"
2144 else
2145 enable beos_netserver
2146 network_extralibs="-lnet"
2147 fi ;;
2148 sunos)
2149 FFSERVERLDFLAGS=""
9987769a 2150 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2151 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2152 network_extralibs="-lsocket -lnsl"
50a334e4 2153 add_cppflags -D__EXTENSIONS__
8182dc34 2154 nm_opts='-P -g'
7483e694
DB
2155 ;;
2156 netbsd)
07a8eef6
MR
2157 oss_indev_extralibs="-lossaudio"
2158 oss_outdev_extralibs="-lossaudio"
2138dc99 2159 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2160 ;;
2161 openbsd)
89e053f8 2162 enable malloc_aligned
7c4a001a
MR
2163 # On OpenBSD 4.5. the compiler does not use PIC unless
2164 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2165 # however the generated executable will not do anything
2166 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2167 # Thus explicitly enable PIC here.
cd78208b 2168 enable pic
7483e694 2169 SHFLAGS='-shared'
07a8eef6
MR
2170 oss_indev_extralibs="-lossaudio"
2171 oss_outdev_extralibs="-lossaudio"
7483e694 2172 ;;
90b4f091 2173 freebsd|dragonfly)
89e053f8 2174 enable malloc_aligned
7483e694
DB
2175 ;;
2176 bsd/os)
2177 osextralibs="-lpoll -lgnugetopt"
2178 strip="strip -d"
2179 ;;
2180 darwin)
89e053f8 2181 enable malloc_aligned
0138c54e 2182 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2183 strip="strip -x"
2184 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2185 SLIBSUF=".dylib"
2186 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2187 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2188 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2189 objformat="macho"
1b0f6fb8 2190 enabled x86_64 && objformat="macho64"
8dfa86f7 2191 enabled_any pic shared ||
2704bd1a 2192 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2193 ;;
2194 mingw32*)
9d3f4f50 2195 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2196 disable network
2197 else
2198 target_os=mingw32
2199 fi
dcc01c06 2200 LIBTARGET=i386
1fc9fb8a 2201 if enabled x86_64; then
89e053f8 2202 enable malloc_aligned
dcc01c06 2203 LIBTARGET=x64
336cc1b0
MS
2204 elif enabled arm; then
2205 LIBTARGET=arm
dcc01c06 2206 fi
fbd971a4 2207 shlibdir_default="$bindir_default"
7483e694
DB
2208 disable ffserver
2209 SLIBPREF=""
2210 SLIBSUF=".dll"
7483e694
DB
2211 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2212 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2213 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2214 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2215 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2216 install -d "$(LIBDIR)"; \
2217 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2218 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2219 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2220 objformat="win32"
bc574408 2221 enable dos_paths
1894e741 2222 check_cflags -fno-common
b1549d61 2223 if ! enabled x86_64; then
f7ad5aa2
RP
2224 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2225 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2226 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2227 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2228 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2229 fi
7483e694
DB
2230 ;;
2231 cygwin*)
4f854758 2232 target_os=cygwin
fbd971a4 2233 shlibdir_default="$bindir_default"
7483e694
DB
2234 SLIBPREF="cyg"
2235 SLIBSUF=".dll"
2236 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2237 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2238 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2239 objformat="win32"
bc574408 2240 enable dos_paths
1894e741 2241 check_cflags -fno-common
7483e694 2242 ;;
4f365f37 2243 *-dos|freedos|opendos)
fdf11906 2244 disable ffplay ffserver
4f365f37
MK
2245 disable $INDEV_LIST $OUTDEV_LIST
2246 network_extralibs="-lsocket"
ff1c015d 2247 objformat="coff"
bc574408 2248 enable dos_paths
4f365f37 2249 ;;
7483e694 2250 linux)
7483e694
DB
2251 enable dv1394
2252 ;;
2253 irix*)
4f854758 2254 target_os=irix
7483e694
DB
2255 ranlib="echo ignoring ranlib"
2256 ;;
d22e8442 2257 os/2*)
d22e8442
DY
2258 strip="lxlite"
2259 ln_s="cp -f"
d22e8442 2260 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2261 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2262 FFSERVERLDFLAGS=""
287d3b13 2263 LIBSUF="_s.a"
d22e8442
DY
2264 SLIBPREF=""
2265 SLIBSUF=".dll"
2266 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2267 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2268 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2269 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2270 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2271 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2272 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2273 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2274 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2275 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2276 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2277 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2278 enable dos_paths
d22e8442 2279 ;;
83993c1c
AM
2280 gnu/kfreebsd)
2281 ;;
34e82167 2282 gnu)
34e82167 2283 ;;
614d8911
MR
2284 none)
2285 ;;
7483e694 2286 *)
4f924f9a 2287 die "Unknown OS '$target_os'."
7483e694
DB
2288 ;;
2289esac
2290
c9d19248
MR
2291set_default $PATHS_LIST
2292
c597172e 2293add_extralibs $osextralibs
de6d9b64 2294
28d8e661
DB
2295# Combine FFLDFLAGS and the LDFLAGS environment variable.
2296LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2297
320d060a 2298# we need to build at least one lib type
93b3c083 2299if ! enabled_any static shared; then
320d060a
DB
2300 cat <<EOF
2301At least one library type must be built.
2302Specify --enable-static to build the static libraries or --enable-shared to
2303build the shared libraries as well. To only build the shared libraries specify
2304--disable-static in addition to --enable-shared.
2305EOF
2306 exit 1;
2307fi
2308
abc4e572 2309disabled static && LIBNAME=""
2a320695 2310
a2234ceb
RP
2311if enabled_any libfaad libfaadbin ; then
2312 if check_header faad.h; then
295b8c70 2313 check_cc <<EOF
a2234ceb
RP
2314#include <faad.h>
2315#ifndef FAAD2_VERSION
2316ok faad1
2317#endif
db817cf3 2318int main(void) { return 0; }
a2234ceb
RP
2319EOF
2320 test $? = 0 && enable libfaad2
2321 else
ff3dac65 2322 die "FAAD test failed."
a2234ceb
RP
2323 fi
2324fi
2325
2326
2184c6f7 2327die_license_disabled() {
4c27207c 2328 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2329}
2330
2331die_license_disabled gpl libfaad2
2332die_license_disabled gpl libx264
2333die_license_disabled gpl libxvid
2334die_license_disabled gpl postproc
2335die_license_disabled gpl x11grab
2336
2f7ae63b 2337die_license_disabled nonfree libfaac
b2e3c528 2338
0b175caa
DB
2339die_license_disabled version3 libopencore_amrnb
2340die_license_disabled version3 libopencore_amrwb
2341
9cad0e4e 2342enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2343
9eeed841 2344check_deps $ARCH_EXT_LIST
0f3cb305 2345
40617a6d 2346disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2347
e276d9e8
MR
2348enable_pic() {
2349 enable pic
bce7b696
MR
2350 add_cppflags -DPIC
2351 add_cflags -fPIC
2352 add_asflags -fPIC
e276d9e8
MR
2353}
2354
2355enabled pic && enable_pic
bce7b696 2356
b4d96ba2
MR
2357check_cc <<EOF || die "Symbol mangling check failed."
2358int ff_extern;
2359EOF
8182dc34 2360sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2361extern_prefix=${sym%%ff_extern*}
2362
f65883c8
MR
2363check_cc <<EOF && enable inline_asm
2364void foo(void) { __asm__ volatile ("" ::); }
2365EOF
61d251db 2366
df5e3978
MR
2367_restrict=
2368for restrict_keyword in restrict __restrict__ __restrict; do
2369 check_cc <<EOF && _restrict=$restrict_keyword && break
2370void foo(char * $restrict_keyword p);
2371EOF
2372done
2373
2374check_cc <<EOF && enable attribute_packed
2375struct { int x; } __attribute__((packed)) x;
2376EOF
2377
dffb41b9
MR
2378check_cc <<EOF && enable attribute_may_alias
2379union { int x; } __attribute__((may_alias)) x;
2380EOF
2381
df5e3978
MR
2382check_cc <<EOF || die "endian test failed"
2383unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2384EOF
48fc536a 2385od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2386
e939cedd
MR
2387if enabled alpha; then
2388
2389 check_cflags -mieee
2390
2391elif enabled arm; then
e45391bb 2392
50fa82e6
MR
2393 check_cflags -marm
2394
fa0912fe
MR
2395 check_ld <<EOF && enable vfp_args
2396__asm__ (".eabi_attribute 28, 1");
2397int main(void) { return 0; }
2398EOF
2399
2400 # We have to check if pld is a nop and disable it.
2401 check_asm pld '"pld [r0]"'
2402
2403 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2404 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2405 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2406 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2407 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2408 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2409
e276d9e8
MR
2410 enabled_all armv6t2 shared !pic && enable_pic
2411
e939cedd
MR
2412elif enabled ia64; then
2413
2414 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2415 enabled shared && enable_weak hardcoded_tables
2416
fa0912fe 2417elif enabled mips; then
e45391bb 2418
fa0912fe
MR
2419 check_asm loongson '"dmult.g $1, $2, $3"'
2420 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2421
fa0912fe 2422elif enabled ppc; then
e45391bb 2423
e6a0c354
MR
2424 enable local_aligned_8 local_aligned_16
2425
fa0912fe
MR
2426 check_asm dcbzl '"dcbzl 0, 1"'
2427 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2428 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2429
2430 # AltiVec flags: The FSF version of GCC differs from the Apple version
2431 if enabled altivec; then
2432 check_cflags -maltivec -mabi=altivec &&
2433 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2434 check_cflags -faltivec
2435
2436 # check if our compiler supports Motorola AltiVec C API
2437 check_cc <<EOF || disable altivec
2438$inc_altivec_h
2439int main(void) {
2440 vector signed int v1, v2, v3;
2441 v1 = vec_add(v2,v3);
2442 return 0;
2443}
2444EOF
2445
2446 # check if our compiler supports braces for vector declarations
2447 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2448$inc_altivec_h
2449int main (void) { (vector int) {1}; return 0; }
2450EOF
2451 fi
e45391bb 2452
fa0912fe 2453elif enabled sparc; then
e45391bb 2454
fa0912fe
MR
2455 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2456 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2457
fa0912fe 2458elif enabled x86; then
e45391bb 2459
e6a0c354
MR
2460 enable local_aligned_8 local_aligned_16
2461
44965991
PI
2462 # check whether EBP is available on x86
2463 # As 'i' is stored on the stack, this program will crash
2464 # if the base pointer is used to access it because the
2465 # base pointer is cleared in the inline assembly code.
7dfef245 2466 check_exec_crash <<EOF && enable ebp_available
44965991 2467 volatile int i=0;
be449fca 2468 __asm__ volatile (
44965991
PI
2469 "xorl %%ebp, %%ebp"
2470 ::: "%ebp");
2471 return i;
44965991
PI
2472EOF
2473
f494213c 2474 # check whether EBX is available on x86
7cee5421
MR
2475 check_asm ebx_available '""::"b"(0)' &&
2476 check_asm ebx_available '"":::"%ebx"'
8e380710 2477
d3a4b4e0
DB
2478 # check whether more than 10 operands are supported
2479 check_cc <<EOF && enable ten_operands
2480int main(void) {
2481 int x=0;
2482 __asm__ volatile(
2483 ""
2484 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2485 );
2486 return 0;
2487}
2488EOF
2489
d7f0920b 2490 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2491 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2492 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2493
2494 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2495
d52481b9 2496 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2497 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2498 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2499 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2500 case "$objformat" in
2501 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2502 esac
7595a5e4 2503 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2504
669b5583
MR
2505 case "$cpu" in
2506 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2507 disable fast_clz
2508 ;;
2509 esac
2510
44965991
PI
2511fi
2512
a98bb16d
RP
2513if check_func dlopen; then
2514 ldl=
2515elif check_func dlopen -ldl; then
2516 ldl=-ldl
8bf5d58f
MN
2517fi
2518
75ecf149
DB
2519# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2520check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2521
7483e694 2522check_func fork
84882df6 2523check_func getaddrinfo $network_extralibs
7483e694
DB
2524check_func gethrtime
2525check_func getrusage
fc5607f8 2526check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2527check_func inet_aton $network_extralibs
abfc8d05 2528check_func isatty
4ae40685 2529check_func ${malloc_prefix}memalign && enable memalign
7483e694 2530check_func mkstemp
4ae40685 2531check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2532check_func setrlimit
b507ebd1 2533check_func_headers io.h setmode
e4673692 2534check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2535check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2536check_func_headers windows.h GetProcessTimes
7c5bfe7a 2537check_func_headers windows.h VirtualAlloc
6ffa87d3 2538
e16e49ac 2539check_header conio.h
a98bb16d 2540check_header dlfcn.h
92c6a099 2541check_header dxva2api.h
a98bb16d 2542check_header malloc.h
bf6ce82d 2543check_header poll.h
b58412f1 2544check_header sys/mman.h
b091aa44 2545check_header sys/resource.h
bf6ce82d 2546check_header sys/select.h
a98bb16d 2547check_header termios.h
272081b0
CEH
2548check_header vdpau/vdpau.h
2549check_header vdpau/vdpau_x11.h
68178ca9 2550check_header X11/extensions/XvMClib.h
a98bb16d 2551
9104cd51
RP
2552check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2553
89e053f8
MR
2554if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2555 enabled_any $need_memalign ; then
1f91cdce 2556 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2557fi
e16e49ac 2558
a4fa192c 2559disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2560disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2561
2562# check for some common methods of building with pthread support
2563# do this before the optional library checks as some of them require pthreads
2564if enabled pthreads; then
9e7fd101
MR
2565 if check_func pthread_create; then
2566 :
2567 elif check_func pthread_create -pthread; then
2568 add_cflags -pthread
afc9aee2 2569 add_extralibs -pthread
9e7fd101
MR
2570 elif check_func pthread_create -pthreads; then
2571 add_cflags -pthreads
afc9aee2 2572 add_extralibs -pthreads
8d94f606
GT
2573 elif check_func pthread_create -lpthreadGC2; then
2574 add_extralibs -lpthreadGC2
9e7fd101
MR
2575 elif ! check_lib pthread.h pthread_create -lpthread; then
2576 die "ERROR: can't find pthreads library"
2577 fi
57bd82d4
MR
2578fi
2579
8eee7025 2580for thread in $THREADS_LIST; do
e5f94c2b 2581 if enabled $thread; then
3ae3b721
RP
2582 test -n "$thread_type" &&
2583 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2584 thread_type="$thread"
e5f94c2b
RP
2585 fi
2586done
2587
fdf88598 2588check_lib math.h sin -lm
ff418735 2589check_lib va/va.h vaInitialize -lva
fdf88598 2590
645d2652
MR
2591check_mathfunc exp2
2592check_mathfunc exp2f
2593check_mathfunc llrint
2594check_mathfunc log2
2595check_mathfunc log2f
2596check_mathfunc lrint
2597check_mathfunc lrintf
2598check_mathfunc round
2599check_mathfunc roundf
2600check_mathfunc truncf
f32adb22 2601
57bd82d4 2602# these are off by default, so fail if requested and not available
a1b3c5a3 2603enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2604enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2605 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2606 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2607enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2608enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2609enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2610enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2611enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2612enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2613enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2614enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2615enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2616 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2617enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2618enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2619enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2620enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2621 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2622 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2623enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2624enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2625
0b4a1821
AS
2626# libdc1394 check
2627if enabled libdc1394; then
2628 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2629 enable libdc1394_2; } ||
2630 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2631 enable libdc1394_1; } ||
2632 die "ERROR: No version of libdc1394 found "
2633fi
2634
6a1a892f 2635SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2636if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2637 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2638 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2639 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2640 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2641 enable sdl &&
2642 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2643fi
57bd82d4 2644
2270b4b2 2645texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2646
73b46a95 2647if enabled network; then
96000432 2648 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2649 check_type netdb.h "struct addrinfo"
b4d68544
MS
2650 check_type netinet/in.h "struct ipv6_mreq"
2651 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2652 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2653 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2654 # Prefer arpa/inet.h over winsock2
2655 if check_header arpa/inet.h ; then
2656 check_func closesocket
2657 elif check_header winsock2.h ; then
f4c13872
MS
2658 check_func_headers winsock2.h closesocket -lws2 && \
2659 network_extralibs="-lws2" || \
2660 { check_func_headers winsock2.h closesocket -lws2_32 && \
2661 network_extralibs="-lws2_32"; }
72be9e73 2662 check_type ws2tcpip.h socklen_t
c0018613 2663 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2664 check_type ws2tcpip.h "struct ipv6_mreq"
2665 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2666 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2667 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2668 else
2669 disable network
73b46a95
RP
2670 fi
2671fi
2672
06e31011
RP
2673check_header linux/videodev.h
2674check_header linux/videodev2.h
1b6e8b73 2675check_header sys/videoio.h
47f38850 2676
27796dc3 2677check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2678
f8aa696f 2679# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2680{ check_header dev/bktr/ioctl_meteor.h &&
2681 check_header dev/bktr/ioctl_bt848.h; } ||
2682{ check_header machine/ioctl_meteor.h &&
2683 check_header machine/ioctl_bt848.h; } ||
2684{ check_header dev/video/meteor/ioctl_meteor.h &&
2685 check_header dev/video/bktr/ioctl_bt848.h; } ||
2686check_header dev/ic/bt8xx.h
f8aa696f 2687
c7682de0
RP
2688check_header sys/soundcard.h
2689check_header soundcard.h
deb29777 2690
b6f3d925 2691enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2692
0e57fe17 2693enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2694
56a059ac 2695enabled x11grab &&
f58f4ce1
GP
2696check_header X11/Xlib.h &&
2697check_header X11/extensions/XShm.h &&
0a045661 2698check_header X11/extensions/Xfixes.h &&
f58f4ce1 2699check_func XOpenDisplay -lX11 &&
781c1aa6
R
2700check_func XShmCreateImage -lX11 -lXext &&
2701check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2702
598ef02b 2703if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2704check_cpp_condition \
2705 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2706 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2707 disable vdpau; }
abf649c7 2708fi
deda2a4a 2709
95e561ec 2710enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2711
2712# add some useful compiler flags if supported
2713check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2714check_cflags -Wall
2715check_cflags -Wno-switch
c07bd6a9
MN
2716check_cflags -Wdisabled-optimization
2717check_cflags -Wpointer-arith
2718check_cflags -Wredundant-decls
cc1fb623 2719check_cflags -Wno-pointer-sign
f4929996 2720check_cflags -Wcast-qual
9aceb3cf 2721check_cflags -Wwrite-strings
652a5bf6 2722check_cflags -Wtype-limits
764551c6 2723check_cflags -Wundef
fc298fd9 2724check_cflags -Wmissing-prototypes
5af4e0cc 2725enabled extra_warnings && check_cflags -Winline
cf9d24ad 2726
57bd82d4 2727# add some linker flags
5c0e9479 2728check_ldflags -Wl,--warn-common
8351d2ba
DB
2729check_ldflags -Wl,--as-needed
2730check_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 2731check_ldflags -Wl,-Bsymbolic
94a3401e 2732
a482e61b
MR
2733echo "X{};" > $TMPV
2734test_ldflags -Wl,--version-script,$TMPV &&
2735 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2736
bd2216e4 2737if enabled small; then
14ca9cd0 2738 add_cflags $size_cflags
8400d6b8
DB
2739 optimizations="small"
2740elif enabled optimizations; then
14ca9cd0 2741 add_cflags $speed_cflags
cddf3f45 2742fi
11fdbc44 2743check_cflags -fno-math-errno
b2eb2ff0 2744check_cflags -fno-signed-zeros
cddf3f45 2745
629687f6 2746if enabled icc; then
b1598b58
MR
2747 # Just warnings, no remarks
2748 check_cflags -w1
2749 # -wd: Disable following warnings
2750 # 144, 167, 556: -Wno-pointer-sign
2751 # 10006: ignoring unknown option -fno-signed-zeros
2752 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2753 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2754 # 11030: Warning unknown option --as-needed
2755 # 10156: ignoring option '-export'; no argument required
2756 check_ldflags -wd10156,11030
2757 # Allow to compile with optimizations
2758 check_ldflags -march=$cpu
be2cf98a
CEH
2759 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2760 enable ebp_available
df442a8d
MR
2761elif enabled ccc; then
2762 # disable some annoying warnings
2763 add_cflags -msg_disable cvtu32to64
2764 add_cflags -msg_disable embedcomment
2765 add_cflags -msg_disable needconstext
2766 add_cflags -msg_disable nomainieee
2767 add_cflags -msg_disable ptrmismatch1
2768 add_cflags -msg_disable unreachcode
973859f5
MR
2769elif enabled gcc; then
2770 check_cflags -fno-tree-vectorize
62df111c 2771 check_cflags -Werror=implicit
de63bfec 2772 check_cflags -Werror=missing-prototypes
06da6943
DC
2773elif enabled clang; then
2774 check_cflags -Qunused-arguments
138132be
MR
2775elif enabled armcc; then
2776 # 2523: use of inline assembler is deprecated
2777 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2778 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2779elif enabled tms470; then
2780 add_cflags -pds=824 -pds=837
504a64b9
CEH
2781fi
2782
90be59ef 2783if enabled gprof; then
0f010b2f
DB
2784 add_cflags -p
2785 add_ldflags -p
1db54e20
DB
2786fi
2787
7f3c02fc 2788# Find out if the .align argument is a power of two or not.
9377b6ce 2789check_asm asmalign_pot '".align 3"'
4454dc1b 2790
7483e694
DB
2791enabled_any $DECODER_LIST && enable decoders
2792enabled_any $ENCODER_LIST && enable encoders
5666fd73 2793enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2794enabled_any $BSF_LIST && enable bsfs
2795enabled_any $DEMUXER_LIST && enable demuxers
2796enabled_any $MUXER_LIST && enable muxers
f7679c54 2797enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2798enabled_any $INDEV_LIST && enable indevs
2799enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2800enabled_any $PROTOCOL_LIST && enable protocols
2801
2802enabled_any $THREADS_LIST && enable threads
2803
2804check_deps $CONFIG_LIST \
b6bb00b0 2805 $CONFIG_EXTRA \
7483e694
DB
2806 $HAVE_LIST \
2807 $DECODER_LIST \
2808 $ENCODER_LIST \
5666fd73 2809 $HWACCEL_LIST \
7483e694
DB
2810 $PARSER_LIST \
2811 $BSF_LIST \
2812 $DEMUXER_LIST \
2813 $MUXER_LIST \
f7679c54 2814 $FILTER_LIST \
7483e694
DB
2815 $INDEV_LIST \
2816 $OUTDEV_LIST \
2817 $PROTOCOL_LIST \
f70f03f6 2818
c8a4ae00
MR
2819enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2820
3e89171a 2821echo "install prefix $prefix"
f36958f8
DB
2822echo "source path $source_path"
2823echo "C compiler $cc"
bfd5afd8 2824echo ".align is power-of-two $asmalign_pot"
f36958f8 2825echo "ARCH $arch ($cpu)"
ce8871c2
MR
2826if test "$build_suffix" != ""; then
2827 echo "build suffix $build_suffix"
eb94aca9 2828fi
ac63af34
DB
2829if test "$extra_version" != ""; then
2830 echo "version string suffix $extra_version"
2831fi
0db2ce77 2832echo "big-endian ${bigendian-no}"
e90f5b5a 2833echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2834if enabled x86; then
af44e8e4 2835 echo "yasm ${yasm-no}"
0db2ce77 2836 echo "MMX enabled ${mmx-no}"
30e98e62 2837 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2838 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2839 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2840 echo "SSE enabled ${sse-no}"
30e98e62 2841 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2842 echo "CMOV enabled ${cmov-no}"
2843 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2844 echo "EBX available ${ebx_available-no}"
2845 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2846 echo "10 operands supported ${ten_operands-no}"
e41e8342 2847fi
5b6c2cbd 2848if enabled arm; then
0db2ce77
MR
2849 echo "ARMv5TE enabled ${armv5te-no}"
2850 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2851 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2852 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2853 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2854 echo "NEON enabled ${neon-no}"
eba9ae3c 2855fi
5b6c2cbd 2856if enabled mips; then
0db2ce77 2857 echo "MMI enabled ${mmi-no}"
e41e8342 2858fi
5b6c2cbd 2859if enabled ppc; then
0db2ce77 2860 echo "AltiVec enabled ${altivec-no}"
30e98e62 2861 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2862 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2863 echo "performance report ${powerpc_perf-no}"
2864fi
2865if enabled sparc; then
2866 echo "VIS enabled ${vis-no}"
e41e8342 2867fi
0db2ce77
MR
2868echo "gprof enabled ${gprof-no}"
2869echo "debug symbols ${debug-no}"
87a0fb62 2870echo "strip symbols ${stripping-no}"
8400d6b8 2871echo "optimizations ${optimizations-no}"
0db2ce77
MR
2872echo "static ${static-no}"
2873echo "shared ${shared-no}"
4a24ab64 2874echo "postprocessing support ${postproc-no}"
f7679c54 2875echo "new filter support ${avfilter-no}"
81124ba0 2876echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2877echo "network support ${network-no}"
0db2ce77
MR
2878echo "threading support ${thread_type-no}"
2879echo "SDL support ${sdl-no}"
0db2ce77
MR
2880echo "Sun medialib support ${mlib-no}"
2881echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2882echo "libdc1394 support ${libdc1394-no}"
690bfceb 2883echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2884echo "libfaac enabled ${libfaac-no}"
2885echo "libfaad enabled ${libfaad-no}"
7e0871a7 2886echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2887echo "libgsm enabled ${libgsm-no}"
2888echo "libmp3lame enabled ${libmp3lame-no}"
2889echo "libnut enabled ${libnut-no}"
0b175caa
DB
2890echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2891echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2892echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2893echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2894echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2895echo "libtheora enabled ${libtheora-no}"
2896echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2897echo "libx264 enabled ${libx264-no}"
2898echo "libxvid enabled ${libxvid-no}"
0db2ce77 2899echo "zlib enabled ${zlib-no}"
f402916e 2900echo "bzlib enabled ${bzlib-no}"
2c62e737 2901echo
de6d9b64 2902
5666fd73 2903for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2904 echo "Enabled ${type}s:"
f65c9da1 2905 eval list=\$$(toupper $type)_LIST
8138b9db 2906 for part in $list; do
f65c9da1
MR
2907 enabled $part && echo ${part%_*}
2908 done | sort | pr -3 -t
2909 echo
8138b9db
RP
2910done
2911
ba7a7039 2912license="LGPL version 2.1 or later"
ba321adb 2913if enabled nonfree; then
ba7a7039 2914 license="nonfree and unredistributable"
9cad0e4e
DB
2915elif enabled gplv3; then
2916 license="GPL version 3 or later"
2917elif enabled lgplv3; then
2918 license="LGPL version 3 or later"
ba321adb 2919elif enabled gpl; then
ba7a7039 2920 license="GPL version 2 or later"
ba321adb
JK
2921fi
2922
2923echo "License: $license"
ca5323af 2924
cf1392e9
DB
2925echo "Creating config.mak and config.h..."
2926
df642790
MR
2927# build tree in object directory if source path is different from current one
2928if enabled source_path_used; then
2929 DIRS="
2930 doc
2931 libavcodec
2932 libavcodec/$arch
2933 libavdevice
2934 libavfilter
2935 libavformat
2936 libavutil
2937 libavutil/$arch
2938 libpostproc
2939 libswscale
2940 libswscale/$arch
2941 tests
2942 tools
2943 "
2944 FILES="
2945 Makefile
2946 common.mak
2947 subdir.mak
2948 doc/texi2pod.pl
2949 libavcodec/Makefile
2950 libavdevice/Makefile
2951 libavfilter/Makefile
2952 libavformat/Makefile
2953 libavutil/Makefile
2954 libpostproc/Makefile
2955 libswscale/Makefile
2956 "
54a2ae37
MR
2957 map 'mkdir -p $_' $DIRS;
2958 map '$ln_s "$source_path/$_" $_' $FILES
df642790
MR
2959fi
2960
ad212cc6
MR
2961enabled stripping || strip="echo skipping strip"
2962
173c983b
MR
2963cat > config.mak <<EOF
2964# Automatically generated by configure - do not modify!
2965ifndef FFMPEG_CONFIG_MAK
2966FFMPEG_CONFIG_MAK=1
2967FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2968prefix=$prefix
2969LIBDIR=\$(DESTDIR)$libdir
2970SHLIBDIR=\$(DESTDIR)$shlibdir
2971INCDIR=\$(DESTDIR)$incdir
2972BINDIR=\$(DESTDIR)$bindir
2973DATADIR=\$(DESTDIR)$datadir
2974MANDIR=\$(DESTDIR)$mandir
2975SRC_PATH="$source_path"
2976SRC_PATH_BARE=$source_path
2977BUILD_ROOT="$PWD"
2978ARCH=$arch
2979CC=$cc
2980AS=$as
2981LD=$ld
2982DEPCC=$dep_cc
2983YASM=$yasmexe
a4aea515 2984YASMDEP=$yasmexe
173c983b
MR
2985AR=$ar
2986RANLIB=$ranlib
4335125c 2987CP=cp -p
173c983b
MR
2988LN_S=$ln_s
2989STRIP=$strip
2990CPPFLAGS=$CPPFLAGS
2991CFLAGS=$CFLAGS
2992ASFLAGS=$ASFLAGS
2993CC_O=$CC_O
2994LDFLAGS=$LDFLAGS
2995FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2996SHFLAGS=$SHFLAGS
2997YASMFLAGS=$YASMFLAGS
2998BUILDSUF=$build_suffix
2999FULLNAME=$FULLNAME
3000LIBPREF=$LIBPREF
3001LIBSUF=$LIBSUF
3002LIBNAME=$LIBNAME
3003SLIBPREF=$SLIBPREF
3004SLIBSUF=$SLIBSUF
3005EXESUF=$EXESUF
3006EXTRA_VERSION=$extra_version
3007DEPFLAGS=$DEPFLAGS
3008CCDEP=$CCDEP
3009ASDEP=$ASDEP
3010CC_DEPFLAGS=$CC_DEPFLAGS
3011AS_DEPFLAGS=$AS_DEPFLAGS
3012HOSTCC=$host_cc
3013HOSTCFLAGS=$host_cflags
3014HOSTEXESUF=$HOSTEXESUF
3015HOSTLDFLAGS=$host_ldflags
3016HOSTLIBS=$host_libs
3017TARGET_EXEC=$target_exec
3018TARGET_PATH=$target_path
3019SDL_LIBS=$sdl_libs
3020SDL_CFLAGS=$sdl_cflags
3021LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3022EXTRALIBS=$extralibs
fd676deb 3023INSTALL=install
1afc4750
MR
3024LIBTARGET=${LIBTARGET}
3025SLIBNAME=${SLIBNAME}
3026SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3027SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3028SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3029SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3030SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3031SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3032SAMPLES=$samples
173c983b 3033EOF
5a872801 3034
719c8e00
MR
3035get_version(){
3036 name=$1
3037 file=$source_path/$2
147e7692
MR
3038 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3039 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3040 lcname=$(tolower $name)
3041 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3042 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3043}
3044
147e7692
MR
3045get_version LIBSWSCALE libswscale/swscale.h
3046get_version LIBPOSTPROC libpostproc/postprocess.h
3047get_version LIBAVCODEC libavcodec/avcodec.h
3048get_version LIBAVDEVICE libavdevice/avdevice.h
3049get_version LIBAVFORMAT libavformat/avformat.h
3050get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3051get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3052
173c983b
MR
3053enabled asmalign_pot || align_shift="1 <<"
3054
3055cat > $TMPH <<EOF
3056/* Automatically generated by configure - do not modify! */
3057#ifndef FFMPEG_CONFIG_H
3058#define FFMPEG_CONFIG_H
3059#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3060#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3061#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3062#define CC_TYPE "$cc_type"
3063#define CC_VERSION $cc_version
3064#define restrict $_restrict
3065#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3066#define EXTERN_PREFIX "${extern_prefix}"
3067#define EXTERN_ASM ${extern_prefix}
3068EOF
523ef551 3069
4ae40685
MR
3070test -n "$malloc_prefix" &&
3071 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3072
523ef551 3073if enabled small || disabled optimizations; then
9a894c48 3074 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3075 echo "#define av_always_inline" >> $TMPH
3076fi
3077
3d907e22
MR
3078print_config ARCH_ $TMPH config.mak $ARCH_LIST
3079print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3080print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3081 $CONFIG_EXTRA \
7483e694
DB
3082 $DECODER_LIST \
3083 $ENCODER_LIST \
5666fd73 3084 $HWACCEL_LIST \
7483e694
DB
3085 $PARSER_LIST \
3086 $BSF_LIST \
3087 $DEMUXER_LIST \
3088 $MUXER_LIST \
f7679c54 3089 $FILTER_LIST \
7483e694
DB
3090 $PROTOCOL_LIST \
3091 $INDEV_LIST \
3092 $OUTDEV_LIST \
8ac17293 3093
9c05103f 3094echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3095echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3096
b7860763 3097# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3098cp_if_changed $TMPH config.h
3d204385 3099
a3e02a8c
MR
3100cat > $TMPH <<EOF
3101/* Generated by ffconf */
3102#ifndef AVUTIL_AVCONFIG_H
3103#define AVUTIL_AVCONFIG_H
3104EOF
3105
3106print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3107
3108echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3109
3110cp_if_changed $TMPH libavutil/avconfig.h
3111
d0674868 3112# build pkg-config files
def4272a 3113
d0674868
DB
3114pkgconfig_generate(){
3115name=$1
b0dfd108 3116shortname=${name#lib}${build_suffix}
d0674868
DB
3117comment=$2
3118version=$3
3119libs=$4
3120requires=$5
25cd5cb3 3121cat <<EOF > $name/$name.pc
3e89171a 3122prefix=$prefix
a94e666c 3123exec_prefix=\${prefix}
f2b7382c 3124libdir=$libdir
7622778e 3125includedir=$incdir
def4272a 3126
d0674868
DB
3127Name: $name
3128Description: $comment
3129Version: $version
8cd6b388 3130Requires: $(enabled shared || echo $requires)
5dcfe9f8 3131Requires.private: $(enabled shared && echo $requires)
def4272a 3132Conflicts:
8cd6b388 3133Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3134Libs.private: $(enabled shared && echo $libs)
76a448ed 3135Cflags: -I\${includedir}
def4272a 3136EOF
25cd5cb3 3137cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3138prefix=
3139exec_prefix=
46d1ff83 3140libdir=\${pcfiledir}
1d44d365 3141includedir=${source_path}
def4272a 3142
d0674868
DB
3143Name: $name
3144Description: $comment
3145Version: $version
3146Requires: $requires
def4272a 3147Conflicts:
12701f6e 3148Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3149Cflags: -I\${includedir}
3150EOF
d0674868 3151}
def4272a 3152
e426941d 3153pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3154pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3155pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3156pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3157enabled avfilter &&
46983309 3158 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3159enabled postproc &&
e426941d 3160 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3161pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"