Add compilation hints for Cygwin 1.7 and remove the ones for 1.5
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
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91 --enable-postproc enable GPLed postprocessing support [no]
92 --enable-avfilter video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
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100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
7f3f5f46 106 --disable-dct disable DCT code
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107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
92c6a099 114 --disable-dxva2 disable DXVA2 code
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115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --enable-beos-netserver enable BeOS netserver
bb55e3a3 119 --disable-everything disable all components listed below
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120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfaad enable FAAD support via libfaad [no]
174 --enable-libfaadbin open libfaad.so.0 at runtime [no]
175 --enable-libgsm enable GSM support via libgsm [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libnut enable NUT (de)muxing via libnut,
178 native (de)muxer exists [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
180 --enable-libschroedinger enable Dirac support via libschroedinger [no]
181 --enable-libspeex enable Speex decoding via libspeex [no]
182 --enable-libtheora enable Theora encoding via libtheora [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libx264 enable H.264 encoding via x264 [no]
186 --enable-libxvid enable Xvid encoding via xvidcore,
187 native MPEG-4/Xvid encoder exists [no]
188 --enable-mlib enable Sun medialib [no]
189 --enable-zlib enable zlib [autodetect]
190
191Advanced options (experts only):
192 --source-path=PATH path to source code [$source_path]
193 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
194 --enable-cross-compile assume a cross-compiler is used
195 --sysroot=PATH root of cross-build tree
196 --sysinclude=PATH location of cross-build system headers
197 --target-os=OS compiler targets OS [$target_os]
198 --target-exec=CMD command to run executables on target
199 --target-path=DIR path to view of build directory on target
200 --nm=NM use nm tool
201 --as=AS use assembler AS [$as_default]
202 --cc=CC use C compiler CC [$cc_default]
203 --ld=LD use linker LD
204 --host-cc=HOSTCC use host C compiler HOSTCC
205 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
206 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
207 --host-libs=HLIBS use libs HLIBS when linking for host
208 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
209 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
210 --extra-libs=ELIBS add ELIBS [$ELIBS]
211 --extra-version=STRING version string suffix []
212 --build-suffix=SUFFIX library name suffix []
213 --arch=ARCH select architecture [$arch]
214 --cpu=CPU select the minimum required CPU (affects
215 instruction selection, may crash on older CPUs)
216 --enable-powerpc-perf enable performance report on PPC
217 (requires enabling PMC)
c8a4ae00 218 --disable-asm disable all assembler optimizations
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219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
4ae40685 236 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 237 --enable-sram allow use of on-chip SRAM
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238
239Developer options (useful when working on FFmpeg itself):
240 --disable-debug disable debugging symbols
241 --enable-debug=LEVEL set the debug level [$debuglevel]
242 --enable-gprof enable profiling with gprof [$gprof]
243 --disable-optimizations disable compiler optimizations
244 --enable-extra-warnings enable more compiler warnings
245 --disable-stripping disable stripping of executables and shared libraries
2fad0977 246 --samples=PATH location of test samples for FATE
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247
248NOTE: Object files are built at the place where configure is launched.
249EOF
60e8bc13 250 exit 0
74c53c2d 251}
cf9d24ad 252
57bd82d4 253log(){
2270b4b2 254 echo "$@" >> $logfile
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255}
256
720c69da 257log_file(){
c8e9f801 258 log BEGIN $1
2270b4b2 259 pr -n -t $1 >> $logfile
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260 log END $1
261}
262
2ba042a7 263echolog(){
c8e9f801 264 log "$@"
57bd82d4 265 echo "$@"
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266}
267
268die(){
269 echolog "$@"
270 cat <<EOF
d326cf7f 271
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272If you think configure made a mistake, make sure you are using the latest
273version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 274ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 275EOF
e155a21a 276 if disabled logging; then
2ba042a7 277 cat <<EOF
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278Rerun configure with logging enabled (do not use --disable-logging), and
279include the log this produces with your report.
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280EOF
281 else
282cat <<EOF
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283Include the log file "$logfile" produced by configure as this will help
284solving the problem.
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285EOF
286 fi
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287 exit 1
288}
289
6c6007d6 290# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 291toupper(){
6c6007d6 292 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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293}
294
4a5444db 295tolower(){
6c6007d6 296 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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297}
298
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299c_escape(){
300 echo "$*" | sed 's/["\\]/\\\0/g'
301}
302
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303sh_quote(){
304 v=$(echo "$1" | sed "s/'/'\\\\''/g")
305 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
306 echo "$v"
307}
308
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309filter(){
310 pat=$1
311 shift
312 for v; do
98ef6079 313 eval "case $v in $pat) echo $v ;; esac"
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314 done
315}
316
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317map(){
318 m=$1
319 shift
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
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378}
379
380disable_safe(){
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381 for var; do
382 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
383 done
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384}
385
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386do_enable_deep(){
387 for var; do
388 enabled $var && continue
389 eval sel="\$${var}_select"
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390 eval sgs="\$${var}_suggest"
391 pushvar var sgs
f9d328da 392 enable_deep $sel
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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#!}" $op "xyes"
44161118
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412}
413
37970ebf 414disabled(){
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MR
415 test "${1#!}" = "$1" && op== || op=!=
416 eval test "x\$${1#!}" $op "xno"
37970ebf
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417}
418
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419enabled_all(){
420 for opt; do
421 enabled $opt || return 1
422 done
423}
424
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425disabled_all(){
426 for opt; do
427 disabled $opt || return 1
428 done
429}
430
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431enabled_any(){
432 for opt; do
433 enabled $opt && return 0
434 done
435}
436
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437disabled_any(){
438 for opt; do
439 disabled $opt && return 0
440 done
f7b230a7 441 return 1
85bca2c5
DB
442}
443
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444set_default(){
445 for opt; do
88268e94 446 eval : \${$opt:=\$${opt}_default}
c9d19248
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447 done
448}
449
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450is_in(){
451 value=$1
452 shift
453 for var in $*; do
454 [ $var = $value ] && return 0
455 done
456 return 1
457}
458
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459check_deps(){
460 for cfg; do
3250003c 461 cfg="${cfg#!}"
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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"
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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 $dep_ifn
475 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 476
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477 [ -n "$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
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524 CFLAGS="$SAVE_CFLAGS"
525 LDFLAGS="$SAVE_LDFLAGS"
526 extralibs="$SAVE_extralibs"
527 unset SAVE_CFLAGS
528 unset SAVE_LDFLAGS
529 unset SAVE_extralibs
530}
531
532temp_cflags(){
533 save_flags
534 CFLAGS="$CFLAGS $*"
535}
536
537temp_ldflags(){
538 save_flags
539 LDFLAGS="$LDFLAGS $*"
540}
541
542temp_extralibs(){
543 save_flags
544 extralibs="$extralibs $*"
545}
546
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547append(){
548 var=$1
549 shift
550 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
551 eval "$var=\"\$$var $*\""
552}
553
50a334e4 554add_cppflags(){
caf458dd 555 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
556}
557
57bd82d4 558add_cflags(){
caf458dd 559 append CFLAGS $($filter_cflags "$@")
57bd82d4
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560}
561
2f2e6c7c 562add_asflags(){
caf458dd 563 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
564}
565
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566add_ldflags(){
567 append LDFLAGS "$@"
568}
569
570add_extralibs(){
571 append extralibs "$@"
572}
573
b0cfb663 574check_cmd(){
b3cb5d51 575 log "$@"
2270b4b2 576 "$@" >> $logfile 2>&1
b0cfb663
MR
577}
578
dcd479c0 579check_cc(){
57bd82d4 580 log check_cc "$@"
2270b4b2 581 cat > $TMPC
720c69da 582 log_file $TMPC
50a334e4 583 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
584}
585
586check_cpp(){
587 log check_cpp "$@"
2270b4b2 588 cat > $TMPC
720c69da 589 log_file $TMPC
9e7f3277 590 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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591}
592
f65883c8
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593check_as(){
594 log check_as "$@"
595 cat > $TMPC
596 log_file $TMPC
2f2e6c7c 597 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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598}
599
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600check_asm(){
601 log check_asm "$@"
602 name="$1"
3784e82e 603 code="$2"
940f335a 604 shift 2
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605 disable $name
606 check_as "$@" <<EOF && enable $name
3784e82e 607void foo(void){ __asm__ volatile($code); }
940f335a
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608EOF
609}
610
304d586d
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611check_yasm(){
612 log check_yasm "$@"
613 echo "$1" > $TMPS
614 log_file $TMPS
615 shift 1
616 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
617}
618
dcd479c0 619check_ld(){
57bd82d4 620 log check_ld "$@"
3155a644
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621 flags=''
622 libs=''
623 for f; do
624 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
625 done
2a194acd 626 check_cc $($filter_cflags $flags) || return
684b28e0 627 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
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628}
629
50a334e4
MR
630check_cppflags(){
631 log check_cppflags "$@"
caf458dd
MR
632 set -- $($filter_cppflags "$@")
633 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
634int x;
635EOF
636}
637
dcd479c0 638check_cflags(){
57bd82d4 639 log check_cflags "$@"
caf458dd
MR
640 set -- $($filter_cflags "$@")
641 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
642int x;
643EOF
644}
645
2ed46eea
MR
646test_ldflags(){
647 log test_ldflags "$@"
648 check_ld "$@" <<EOF
c23a0ac8 649int main(void){ return 0; }
dcd479c0
MR
650EOF
651}
652
2ed46eea
MR
653check_ldflags(){
654 log check_ldflags "$@"
655 test_ldflags "$@" && add_ldflags "$@"
656}
657
dcd479c0 658check_header(){
57bd82d4 659 log check_header "$@"
dcd479c0
MR
660 header=$1
661 shift
b77df637
MR
662 disable_safe $header
663 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
664#include <$header>
665int x;
666EOF
667}
668
669check_func(){
57bd82d4 670 log check_func "$@"
dcd479c0
MR
671 func=$1
672 shift
d8bc5f06
MR
673 disable $func
674 check_ld "$@" <<EOF && enable $func
dcd479c0 675extern int $func();
c23a0ac8 676int main(void){ $func(); }
dcd479c0
MR
677EOF
678}
679
645d2652 680check_mathfunc(){
6b73c0ae 681 log check_mathfunc "$@"
645d2652
MR
682 func=$1
683 shift
684 disable $func
685 check_ld "$@" <<EOF && enable $func
686#include <math.h>
33bd38db
MR
687float foo(float f) { return $func(f); }
688int main(void){ return 0; }
645d2652
MR
689EOF
690}
691
2446d3d6
DB
692check_func_headers(){
693 log check_func_headers "$@"
f8d7b072
MR
694 headers=$1
695 func=$2
696 shift 2
697 disable $func
698 incs=""
699 for hdr in $headers; do
700 incs="$incs
701#include <$hdr>"
702 done
cd0d9a9d 703 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 704$incs
d6773f56 705int main(int argc, char **argv){
2b2c2a81 706 return (long) $func;
f8d7b072
MR
707}
708EOF
709}
710
a5344cf7
SS
711check_cpp_condition(){
712 log check_cpp_condition "$@"
713 header=$1
714 condition=$2
f855b7b9
MR
715 shift 2
716 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
717#include <$header>
718#if !($condition)
719#error "unsatisfied condition: $condition"
720#endif
721EOF
722}
723
57bd82d4
MR
724check_lib(){
725 log check_lib "$@"
726 header="$1"
727 func="$2"
728 shift 2
fcfcde17
MR
729 temp_extralibs "$@"
730 check_header $header && check_func $func && add_extralibs "$@"
731 err=$?
732 restore_flags
733 return $err
57bd82d4
MR
734}
735
f8d7b072
MR
736check_lib2(){
737 log check_lib2 "$@"
738 headers="$1"
739 func="$2"
740 shift 2
300cde27 741 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
742}
743
dcd479c0 744check_exec(){
2270b4b2 745 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
746}
747
7dfef245 748check_exec_crash(){
5e622c40 749 code=$(cat)
7dfef245
MR
750
751 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
752 # are safe but may not be available everywhere. Thus we use
753 # raise(SIGTERM) instead. The check is run in a subshell so we
754 # can redirect the "Terminated" message from the shell. SIGBUS
755 # is not defined by standard C so it is used conditionally.
756
2270b4b2 757 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
758#include <signal.h>
759static void sighandler(int sig){
760 raise(SIGTERM);
761}
e5af4a11 762int main(void){
7dfef245
MR
763 signal(SIGILL, sighandler);
764 signal(SIGFPE, sighandler);
765 signal(SIGSEGV, sighandler);
766#ifdef SIGBUS
767 signal(SIGBUS, sighandler);
768#endif
769 { $code }
770}
771EOF
772}
773
72be9e73
DY
774check_type(){
775 log check_type "$@"
776 headers=$1
777 type=$2
778 shift 2
ae550ce9 779 disable_safe "$type"
72be9e73
DY
780 incs=""
781 for hdr in $headers; do
782 incs="$incs
783#include <$hdr>"
784 done
ae550ce9 785 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
786$incs
787$type v;
788EOF
789}
790
14d36751
MR
791check_struct(){
792 log check_type "$@"
793 headers=$1
794 struct=$2
795 member=$3
796 shift 3
797 disable_safe "${struct}_${member}"
798 incs=""
799 for hdr in $headers; do
800 incs="$incs
801#include <$hdr>"
802 done
803 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
804$incs
805const void *p = &(($struct *)0)->$member;
806EOF
807}
808
57bd82d4
MR
809require(){
810 name="$1"
811 header="$2"
812 func="$3"
813 shift 3
814 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
815}
816
f8d7b072
MR
817require2(){
818 name="$1"
819 headers="$2"
820 func="$3"
821 shift 3
822 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
823}
824
eea50282
MR
825check_foo_config(){
826 cfg=$1
827 pkg=$2
828 header=$3
829 func=$4
830 shift 4
831 disable $cfg
832 check_cmd ${pkg}-config --version
833 err=$?
834 if test "$err" = 0; then
5e622c40
DB
835 temp_cflags $(${pkg}-config --cflags)
836 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
837 check_lib "$@" $header $func && enable $cfg
838 fi
839 return $err
840}
841
f0125de9
MR
842check_host_cc(){
843 log check_host_cc "$@"
844 cat > $TMPC
845 log_file $TMPC
846 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
847}
848
849check_host_cflags(){
850 log check_host_cflags "$@"
851 check_host_cc "$@" <<EOF && append host_cflags "$@"
852int x;
853EOF
854}
855
c505dd31
MR
856apply(){
857 file=$1
858 shift
859 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
860}
861
c34681df
MR
862cp_if_changed(){
863 cmp -s "$1" "$2" &&
864 echo "$2 is unchanged" ||
865 cp -f "$1" "$2"
866}
867
dcd61286
DB
868# CONFIG_LIST contains configurable options, while HAVE_LIST is for
869# system-dependent things.
870
4a0d6686
AJ
871COMPONENT_LIST="
872 bsfs
873 decoders
874 demuxers
875 encoders
3cde40aa 876 filters
5666fd73 877 hwaccels
c552605c 878 indevs
4a0d6686 879 muxers
c552605c 880 outdevs
4a0d6686
AJ
881 parsers
882 protocols
883"
884
885CONFIG_LIST="
886 $COMPONENT_LIST
e8ed9b7a 887 aandct
5a0f7131
MR
888 avcodec
889 avdevice
f7679c54
VS
890 avfilter
891 avfilter_lavf
5a0f7131 892 avformat
c88f5d72
MR
893 avisynth
894 beos_netserver
f402916e 895 bzlib
7f3f5f46 896 dct
c73f65d9 897 doc
05aec7bb 898 dwt
92c6a099 899 dxva2
27a9466b 900 fastdiv
c88f5d72
MR
901 ffmpeg
902 ffplay
336ce917 903 ffprobe
c88f5d72 904 ffserver
1848f7d9 905 fft
4f034993 906 golomb
c88f5d72 907 gpl
ecfc4f44 908 gprof
d8d0d0b2 909 gray
4693b031 910 h264dsp
3abe5fbd 911 hardcoded_tables
f7b8bffe 912 libdc1394
690bfceb 913 libdirac
2eed5a46
DB
914 libfaac
915 libfaad
916 libfaadbin
c88f5d72 917 libgsm
6ebe07fb 918 libmp3lame
c88f5d72 919 libnut
0b175caa
DB
920 libopencore_amrnb
921 libopencore_amrwb
9a77d59a 922 libopenjpeg
f7cd9eed 923 libschroedinger
ae14f311 924 libspeex
150d2772 925 libtheora
c88f5d72 926 libvorbis
1cc60c47
DB
927 libx264
928 libxvid
f4d608e3 929 lpc
b781cc12 930 lsp
47a158cb 931 mdct
c88f5d72 932 memalign_hack
a8150374 933 mlib
c88f5d72
MR
934 mpegaudio_hp
935 network
3fe142e2 936 nonfree
8a3c8627 937 pic
4a24ab64 938 postproc
2b4c3615 939 powerpc_perf
68602540 940 rdft
e90f5b5a 941 runtime_cpudetect
2e35e684 942 shared
bd2216e4 943 small
6b35d421 944 sram
2e35e684 945 static
5a0f7131 946 swscale
a9ddb5b1 947 swscale_alpha
17492d5e
DB
948 vaapi
949 vdpau
9cad0e4e 950 version3
56a059ac 951 x11grab
c88f5d72 952 zlib
4a0d6686 953"
c88f5d72 954
8eee7025
DB
955THREADS_LIST='
956 beosthreads
d22e8442 957 os2threads
8eee7025
DB
958 pthreads
959 w32threads
960'
961
3f5b56e5
MR
962ARCH_LIST='
963 alpha
a2fc0f6a 964 arm
fdcd782d
MR
965 avr32
966 avr32_ap
967 avr32_uc
3f5b56e5
MR
968 bfin
969 ia64
970 m68k
971 mips
bae3abb0 972 mips64
3f5b56e5 973 parisc
79cb09b2 974 ppc
34d11b87 975 ppc64
3f5b56e5
MR
976 s390
977 sh4
978 sparc
979 sparc64
0844bae1 980 tomi
3f5b56e5
MR
981 x86
982 x86_32
983 x86_64
984'
985
986ARCH_EXT_LIST='
1ac9331a 987 altivec
3bf96eec 988 amd3dnow
a1ef9f08 989 amd3dnowext
1ac9331a 990 armv5te
edab3048 991 armv6
ab5cb084 992 armv6t2
f55b299a 993 armvfp
3f5b56e5
MR
994 iwmmxt
995 mmi
996 mmx
d7f0920b 997 mmx2
6b18d278 998 neon
799fde37 999 ppc4xx
1bb04d5a 1000 sse
9eeed841 1001 ssse3
bd9d34a0 1002 vis
3f5b56e5
MR
1003'
1004
a3e02a8c
MR
1005HAVE_LIST_PUB='
1006 bigendian
1007'
1008
3f5b56e5
MR
1009HAVE_LIST="
1010 $ARCH_EXT_LIST
a3e02a8c 1011 $HAVE_LIST_PUB
3f5b56e5 1012 $THREADS_LIST
35fd8122 1013 alsa_asoundlib_h
3f5b56e5 1014 altivec_h
c9fdab0d 1015 arpa_inet_h
dffb41b9 1016 attribute_may_alias
e7ea5e3d 1017 attribute_packed
6bd859d6 1018 bswap
ecf97f22 1019 closesocket
1ac9331a 1020 cmov
e16e49ac 1021 conio_h
c88f5d72 1022 dcbzl
f8aa696f
DB
1023 dev_bktr_ioctl_bt848_h
1024 dev_bktr_ioctl_meteor_h
1025 dev_ic_bt8xx_h
1026 dev_video_meteor_ioctl_meteor_h
1027 dev_video_bktr_ioctl_bt848_h
18b67ae5 1028 dlfcn_h
c88f5d72 1029 dlopen
bc574408 1030 dos_paths
245626d0
DB
1031 ebp_available
1032 ebx_available
6b7c7703
VS
1033 exp2
1034 exp2f
c2a29455 1035 fast_64bit
669b5583 1036 fast_clz
7073e9fc 1037 fast_cmov
7b829d2a 1038 fast_unaligned
9d99cc5a 1039 fork
84882df6 1040 getaddrinfo
da9e86f8 1041 gethrtime
fc5607f8 1042 GetProcessMemoryInfo
4e68cb8a 1043 GetProcessTimes
66be5b45 1044 getrusage
fc5607f8 1045 struct_rusage_ru_maxrss
2e1913b1 1046 inet_aton
61d251db 1047 inline_asm
abfc8d05 1048 isatty
9f5ff83f 1049 ldbrx
0b4a1821
AS
1050 libdc1394_1
1051 libdc1394_2
a33cab3a 1052 llrint
d96cd429
MR
1053 local_aligned_16
1054 local_aligned_8
291fd18a 1055 log2
6b7c7703 1056 log2f
85dd97ad 1057 loongson
a33cab3a 1058 lrint
c88f5d72 1059 lrintf
e4673692 1060 lzo1x_999_compress
f8aa696f
DB
1061 machine_ioctl_bt848_h
1062 machine_ioctl_meteor_h
c88f5d72
MR
1063 malloc_h
1064 memalign
6ffa87d3 1065 mkstemp
b4e806b2 1066 pld
1f91cdce 1067 posix_memalign
a33cab3a
MK
1068 round
1069 roundf
c88f5d72
MR
1070 sdl
1071 sdl_video_size
b507ebd1 1072 setmode
72be9e73 1073 socklen_t
deb29777 1074 soundcard_h
f8cda19e 1075 poll_h
0104b608 1076 setrlimit
c0018613 1077 struct_addrinfo
b4d68544
MS
1078 struct_ipv6_mreq
1079 struct_sockaddr_in6
3b2372bf 1080 struct_sockaddr_sa_len
33a4dbdd 1081 struct_sockaddr_storage
b58412f1 1082 sys_mman_h
b091aa44 1083 sys_resource_h
81644c2e 1084 sys_select_h
deb29777 1085 sys_soundcard_h
1b6e8b73 1086 sys_videoio_h
d3a4b4e0 1087 ten_operands
e16e49ac 1088 termios_h
b265431e 1089 threads
7b04b8a0 1090 truncf
ce742de2 1091 vfp_args
7c5bfe7a 1092 VirtualAlloc
6ff3f3e7 1093 winsock2_h
cc078b5d 1094 xform_asm
304d586d 1095 yasm
0cb78cef 1096"
44161118 1097
b6bb00b0
MR
1098# options emitted with CONFIG_ prefix but not available on command line
1099CONFIG_EXTRA="
dc4f5a1c 1100 avutil
9cad0e4e
DB
1101 gplv3
1102 lgplv3
b6bb00b0
MR
1103"
1104
520cc7f1 1105CMDLINE_SELECT="
3f5b56e5 1106 $ARCH_EXT_LIST
520cc7f1 1107 $CONFIG_LIST
8eee7025 1108 $THREADS_LIST
c8a4ae00 1109 asm
db6107b6 1110 cross_compile
520cc7f1
MR
1111 debug
1112 extra_warnings
8c6afa4d 1113 logging
d2bbb2f7 1114 optimizations
87a0fb62 1115 stripping
7595a5e4 1116 yasm
520cc7f1 1117"
426be5dc
DB
1118
1119PATHS_LIST='
d156bede 1120 bindir
14a8acf1 1121 datadir
26759c44
MR
1122 incdir
1123 libdir
26759c44
MR
1124 mandir
1125 prefix
1126 shlibdir
426be5dc
DB
1127'
1128
1129CMDLINE_SET="
1130 $PATHS_LIST
1131 arch
313c46a6 1132 as
426be5dc
DB
1133 build_suffix
1134 cc
1135 cpu
1136 cross_prefix
50567afa 1137 dep_cc
ac63af34 1138 extra_version
9da6609f
MR
1139 host_cc
1140 host_cflags
1141 host_ldflags
1142 host_libs
82bb3329 1143 host_os
684b28e0 1144 ld
426be5dc 1145 logfile
4ae40685 1146 malloc_prefix
89641463 1147 nm
2fad0977 1148 samples
26759c44 1149 source_path
4f837398 1150 strip
c5200f17
MR
1151 sysinclude
1152 sysroot
a7ada2ba 1153 target_exec
26759c44 1154 target_os
a7ada2ba 1155 target_path
426be5dc 1156"
520cc7f1 1157
89f2932b
MR
1158CMDLINE_APPEND="
1159 extra_cflags
1160"
1161
912f3148
DB
1162# code dependency declarations
1163
9eeed841 1164# architecture extensions
808fa33c 1165
a2fc0f6a
MR
1166armv5te_deps="arm"
1167armv6_deps="arm"
ab5cb084 1168armv6t2_deps="arm"
a2fc0f6a
MR
1169armvfp_deps="arm"
1170iwmmxt_deps="arm"
808fa33c
MR
1171neon_deps="arm"
1172
e241ba14 1173mmi_deps="mips"
808fa33c
MR
1174
1175altivec_deps="ppc"
1176ppc4xx_deps="ppc"
1177
1178vis_deps="sparc"
1179
7f8c3d1f 1180x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1181amd3dnow_deps="mmx"
1182amd3dnowext_deps="amd3dnow"
9eeed841 1183mmx_deps="x86"
75aa95a6 1184mmx2_deps="mmx"
75aa95a6
DB
1185sse_deps="mmx"
1186ssse3_deps="sse"
9eeed841 1187
e939cedd 1188fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1189fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1190fast_unaligned_if_any="armv6 ppc x86"
669b5583 1191
89e053f8 1192need_memalign="altivec neon sse"
6fec122a 1193inline_asm_deps="!tms470"
89e053f8 1194
26fbcc85
MR
1195# subsystems
1196mdct_select="fft"
1197rdft_select="fft"
1198
5666fd73 1199# decoders / encoders / hardware accelerators
49351479 1200aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1201aac_encoder_select="mdct"
1202ac3_decoder_select="mdct ac3_parser"
f4d608e3 1203alac_encoder_select="lpc"
b781cc12 1204amrnb_decoder_select="lsp"
084cbbaa 1205atrac1_decoder_select="mdct"
26fbcc85
MR
1206atrac3_decoder_select="mdct"
1207binkaudio_dct_decoder_select="mdct rdft dct"
1208binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1209cavs_decoder_select="golomb"
26fbcc85 1210cook_decoder_select="mdct"
2eef7c62 1211cscd_decoder_suggest="zlib"
26fbcc85 1212dca_decoder_select="mdct"
e8ed9b7a 1213dnxhd_encoder_select="aandct"
2eef7c62 1214dxa_decoder_select="zlib"
baf91bb9 1215eac3_decoder_select="ac3_decoder"
84c04e25 1216eamad_decoder_select="aandct"
e8ed9b7a 1217eatgq_decoder_select="aandct"
d52b39c7 1218eatqi_decoder_select="aandct"
4f034993
MR
1219ffv1_decoder_select="golomb"
1220flac_decoder_select="golomb"
f4d608e3 1221flac_encoder_select="golomb lpc"
2eef7c62
AJ
1222flashsv_decoder_select="zlib"
1223flashsv_encoder_select="zlib"
4414137e 1224flv_decoder_select="h263_decoder"
4d4b4bd1 1225flv_encoder_select="h263_encoder"
e8ed9b7a 1226h261_encoder_select="aandct"
7f647ae0 1227h263_decoder_select="h263_parser"
e8ed9b7a 1228h263_encoder_select="aandct"
ff418735 1229h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1230h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1231h263i_decoder_select="h263_decoder"
fe629c2d 1232h263p_encoder_select="h263_encoder"
4693b031 1233h264_decoder_select="golomb h264dsp"
92c6a099
LA
1234h264_dxva2_hwaccel_deps="dxva2api_h"
1235h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1236h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1237h264_vaapi_hwaccel_select="vaapi"
711dae77 1238h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1239h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1240imc_decoder_select="fft mdct"
4f034993
MR
1241jpegls_decoder_select="golomb"
1242jpegls_encoder_select="golomb"
e8ed9b7a 1243ljpeg_encoder_select="aandct"
4f034993 1244loco_decoder_select="golomb"
e8ed9b7a 1245mjpeg_encoder_select="aandct"
2cca233b 1246mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1247mpeg1video_encoder_select="aandct"
1248mpeg2video_encoder_select="aandct"
4414137e 1249mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1250mpeg4_encoder_select="h263_encoder"
711dae77 1251mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1252mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1253mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1254mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1255mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1256mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1257mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1258mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1259mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1260mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1261mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1262mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1263msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1264msmpeg4v1_encoder_select="h263_encoder"
4414137e 1265msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1266msmpeg4v2_encoder_select="h263_encoder"
4414137e 1267msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1268msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1269nellymoser_decoder_select="mdct"
1270nellymoser_encoder_select="mdct"
2eef7c62
AJ
1271png_decoder_select="zlib"
1272png_encoder_select="zlib"
b781cc12 1273qcelp_decoder_select="lsp"
26fbcc85 1274qdm2_decoder_select="mdct rdft"
a8beb22f 1275rv10_decoder_select="h263_decoder"
b2bf38b4 1276rv10_encoder_select="h263_encoder"
a8beb22f 1277rv20_decoder_select="h263_decoder"
b2bf38b4 1278rv20_encoder_select="h263_encoder"
4693b031
MR
1279rv30_decoder_select="golomb h264dsp"
1280rv40_decoder_select="golomb h264dsp"
4f034993 1281shorten_decoder_select="golomb"
b781cc12 1282sipr_decoder_select="lsp"
05aec7bb
MR
1283snow_decoder_select="dwt"
1284snow_encoder_select="aandct dwt"
4f034993
MR
1285sonic_decoder_select="golomb"
1286sonic_encoder_select="golomb"
1287sonic_ls_encoder_select="golomb"
19ecfb8a 1288svq1_encoder_select="aandct"
4693b031 1289svq3_decoder_select="golomb h264dsp"
bee2eac5 1290svq3_decoder_suggest="zlib"
4eef77c1 1291theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1292tiff_decoder_suggest="zlib"
1293tiff_encoder_suggest="zlib"
aec09a00 1294truehd_decoder_select="mlp_decoder"
2eef7c62 1295tscc_decoder_select="zlib"
b781cc12 1296twinvq_decoder_select="mdct lsp"
f95bfab0 1297vc1_decoder_select="h263_decoder"
9104cd51 1298vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1299vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1300vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1301vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1302vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1303vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1304vorbis_decoder_select="mdct"
1305vorbis_encoder_select="mdct"
e82dc4c9
DB
1306vp6a_decoder_select="vp6_decoder"
1307vp6f_decoder_select="vp6_decoder"
084cbbaa 1308wmapro_decoder_select="mdct"
26fbcc85
MR
1309wmav1_decoder_select="mdct"
1310wmav1_encoder_select="mdct"
1311wmav2_decoder_select="mdct"
1312wmav2_encoder_select="mdct"
b781cc12 1313wmavoice_decoder_select="lsp"
f95bfab0 1314wmv1_decoder_select="h263_decoder"
665507aa 1315wmv1_encoder_select="h263_encoder"
f95bfab0 1316wmv2_decoder_select="h263_decoder"
1746e2a9 1317wmv2_encoder_select="h263_encoder"
015f8ee0 1318wmv3_decoder_select="vc1_decoder"
f0f86627 1319wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1320wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1321wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1322zlib_decoder_select="zlib"
1323zlib_encoder_select="zlib"
1324zmbv_decoder_select="zlib"
1325zmbv_encoder_select="zlib"
30fd06be 1326
28b80940 1327# parsers
4693b031 1328h264_parser_select="golomb h264dsp"
28b80940 1329
f1e94694
DB
1330# bitstream_filters
1331aac_adtstoasc_bsf_select="aac_parser"
1332
912f3148 1333# external libraries
1b71f045 1334libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1335libdirac_encoder_deps="libdirac"
c9171a83 1336libfaac_encoder_deps="libfaac"
69ddbd1d 1337libfaad_decoder_deps="libfaad"
4ec45764 1338libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1339libgsm_decoder_deps="libgsm"
1340libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1341libgsm_ms_decoder_deps="libgsm"
1342libgsm_ms_encoder_deps="libgsm"
1cc60c47 1343libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1344libopencore_amrnb_decoder_deps="libopencore_amrnb"
1345libopencore_amrnb_encoder_deps="libopencore_amrnb"
1346libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1347libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1348libschroedinger_decoder_deps="libschroedinger"
1349libschroedinger_encoder_deps="libschroedinger"
ae14f311 1350libspeex_decoder_deps="libspeex"
150d2772 1351libtheora_encoder_deps="libtheora"
b0caf888 1352libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1353libx264_encoder_deps="libx264"
1354libxvid_encoder_deps="libxvid"
30fd06be 1355
912f3148 1356# demuxers / muxers
03a76ba9 1357ac3_demuxer_deps="ac3_parser"
647c2356 1358asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1359avisynth_demuxer_deps="avisynth"
1360dirac_demuxer_deps="dirac_parser"
5b423887 1361eac3_demuxer_select="ac3_parser"
647c2356 1362ipod_muxer_select="mov_muxer"
4e622dea
SS
1363libnut_demuxer_deps="libnut"
1364libnut_muxer_deps="libnut"
647c2356 1365matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1366matroska_demuxer_suggest="zlib bzlib"
1367mov_demuxer_suggest="zlib"
1368mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1369mp4_muxer_select="mov_muxer"
1370mpegtsraw_demuxer_select="mpegts_demuxer"
1371mxf_d10_muxer_select="mxf_muxer"
24ca518b 1372ogg_demuxer_select="golomb"
647c2356 1373psp_muxer_select="mov_muxer"
4e622dea 1374rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1375rtsp_muxer_deps="sdp_demuxer"
1376rtsp_muxer_select="rtp_muxer"
4e622dea 1377sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1378sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1379spdif_muxer_select="aac_parser"
647c2356
DB
1380tg2_muxer_select="mov_muxer"
1381tgp_muxer_select="mov_muxer"
6bdaa5f4 1382w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1383
1384# indevs / outdevs
38e54a75
SS
1385alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1386alsa_indev_extralibs="-lasound"
1387alsa_outdev_deps="alsa_asoundlib_h"
1388alsa_outdev_extralibs="-lasound"
1389audio_beos_indev_deps="audio_beos"
1390audio_beos_indev_extralibs="-lmedia -lbe"
1391audio_beos_outdev_deps="audio_beos"
1392audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1393bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1394dv1394_indev_deps="dv1394 dv_demuxer"
1395jack_indev_deps="jack_jack_h"
1396jack_indev_extralibs="-ljack"
1397libdc1394_indev_deps="libdc1394"
38e54a75
SS
1398oss_indev_deps_any="soundcard_h sys_soundcard_h"
1399oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1400v4l_indev_deps="linux_videodev_h"
1401v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1402vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1403vfwcap_indev_extralibs="-lavicap32"
38e54a75 1404x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1405x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1406
912f3148 1407# protocols
3fff6382 1408gopher_protocol_deps="network"
c08fb000 1409http_protocol_deps="network"
279a0c97 1410http_protocol_select="tcp_protocol"
cbf29889 1411rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1412rtp_protocol_deps="udp_protocol"
1413tcp_protocol_deps="network"
1414udp_protocol_deps="network"
1415
f7679c54 1416# filters
81124ba0 1417movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1418avfilter_lavf_deps="avformat"
1419
1420# libraries
1421avdevice_deps="avcodec avformat"
1422avformat_deps="avcodec"
f7679c54 1423
912f3148 1424# programs
5a0f7131
MR
1425ffmpeg_deps="avcodec avformat swscale"
1426ffplay_deps="avcodec avformat swscale sdl"
43689902 1427ffplay_select="rdft"
336ce917 1428ffprobe_deps="avcodec avformat"
5a0f7131 1429ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1430ffserver_extralibs='$ldl'
a2830dca 1431
c73f65d9 1432doc_deps="texi2html"
912f3148 1433
de6d9b64 1434# default parameters
8a608357 1435
2ba042a7 1436logfile="config.err"
8a608357
MR
1437
1438# installation paths
c9d19248
MR
1439prefix_default="/usr/local"
1440bindir_default='${prefix}/bin'
14a8acf1 1441datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1442incdir_default='${prefix}/include'
1443libdir_default='${prefix}/lib'
1444mandir_default='${prefix}/share/man'
1445shlibdir_default="$libdir_default"
8a608357
MR
1446
1447# toolchain
11e6d03a 1448ar="ar"
13c7df3d 1449cc_default="gcc"
a3d7c197 1450cc_version=\"unknown\"
9da6609f 1451host_cc_default="gcc"
11e6d03a 1452ln_s="ln -sf"
89641463 1453nm_default="nm"
11e6d03a 1454objformat="elf"
be7109c1 1455ranlib="ranlib"
4f837398 1456strip_default="strip"
11e6d03a 1457yasmexe="yasm"
8a608357 1458
8182dc34
MR
1459nm_opts='-g'
1460
8a608357 1461# machine
8d4c00ed 1462arch_default=$(uname -m)
38d0a8aa 1463cpu="generic"
8a608357 1464
8a608357 1465# OS
8d4c00ed
MR
1466target_os_default=$(tolower $(uname -s))
1467host_os=$target_os_default
8a608357 1468
8a608357 1469# configurable options
5a0f7131
MR
1470enable avcodec
1471enable avdevice
1472enable avformat
dc4f5a1c 1473enable avutil
c8a4ae00 1474enable asm
497237c7 1475enable debug
c73f65d9 1476enable doc
aa033b1e 1477enable fastdiv
497237c7
RP
1478enable ffmpeg
1479enable ffplay
336ce917 1480enable ffprobe
497237c7 1481enable ffserver
497237c7
RP
1482enable mpegaudio_hp
1483enable network
8400d6b8 1484enable optimizations
497237c7 1485enable protocols
530dc538 1486enable static
87a0fb62 1487enable stripping
5a0f7131 1488enable swscale
a9ddb5b1 1489enable swscale_alpha
8a608357 1490
8a608357 1491# build settings
9987769a 1492SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1493FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1494LIBPREF="lib"
1495LIBSUF=".a"
c5f14466
RP
1496FULLNAME='$(NAME)$(BUILDSUF)'
1497LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1498SLIBPREF="lib"
1499SLIBSUF=".so"
c5f14466 1500SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1501SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1502SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1503LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1504
7e6c86e6
MR
1505CC_O='-o $@'
1506
f0125de9 1507host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1508host_libs='-lm'
1509
9b861379 1510target_path='$(CURDIR)'
a7ada2ba 1511
0d7dca36
DB
1512# gcc stupidly only outputs the basename of targets with -MM, but we need the
1513# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1514DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1515DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1516
c597172e 1517# find source path
5e622c40 1518source_path="$(dirname "$0")"
497237c7 1519enable source_path_used
24524f36 1520if test -f configure; then
5e622c40 1521 source_path="$(pwd)"
497237c7 1522 disable source_path_used
c597172e 1523else
5e622c40 1524 source_path="$(cd "$source_path"; pwd)"
c597172e 1525 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1526 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1527 test -e "$source_path/config.h" &&
1528 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1529fi
1530
13cbe2c0 1531for v in "$@"; do
b04251c5
MR
1532 r=${v#*=}
1533 l=${v%"$r"}
1534 r=$(sh_quote "$r")
13cbe2c0
MR
1535 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1536done
c597172e 1537
73ef8980
MR
1538find_things(){
1539 thing=$1
1540 pattern=$2
1541 file=$source_path/$3
932ccf39 1542 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1543}
1544
1545ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1546DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1547HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1548PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1549BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1550MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1551DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1552OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1553INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1554PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1555FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1556
7483e694
DB
1557enable $ARCH_EXT_LIST \
1558 $DECODER_LIST \
1559 $ENCODER_LIST \
5666fd73 1560 $HWACCEL_LIST \
7483e694
DB
1561 $PARSER_LIST \
1562 $BSF_LIST \
1563 $DEMUXER_LIST \
1564 $MUXER_LIST \
f7679c54 1565 $FILTER_LIST \
7483e694
DB
1566 $PROTOCOL_LIST \
1567 $INDEV_LIST \
1568 $OUTDEV_LIST \
c597172e
MR
1569
1570die_unknown(){
1571 echo "Unknown option \"$1\"."
1572 echo "See $0 --help for available options."
1573 exit 1
1574}
1575
794f8e97 1576show_list() {
bf0c4afa
RP
1577 suffix=_$1
1578 shift
2b444ea7 1579 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1580 exit 0
1581}
1582
c597172e 1583for opt do
7483e694
DB
1584 optval="${opt#*=}"
1585 case "$opt" in
0f010b2f 1586 --extra-ldflags=*) add_ldflags $optval
7483e694 1587 ;;
0f010b2f 1588 --extra-libs=*) add_extralibs $optval
7483e694 1589 ;;
8fb1cb58 1590 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1591 ;;
40bcf4c7
BL
1592 --enable-debug=*) debuglevel="$optval"
1593 ;;
36e2dea0
MR
1594 --disable-everything)
1595 map 'eval disable \${$(toupper ${_%s})_LIST}' $COMPONENT_LIST
1596 ;;
7483e694 1597 --enable-*=*|--disable-*=*)
8b93ddc3 1598 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1599 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1600 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1601 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1602 $action $(filter "$name" $list)
7483e694
DB
1603 ;;
1604 --enable-?*|--disable-?*)
5e622c40 1605 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1606 if is_in $option $COMPONENT_LIST; then
fed5d54b 1607 test $action = disable && action=unset
e3773a55
MR
1608 eval $action \$$(toupper ${option%s})_LIST
1609 elif is_in $option $CMDLINE_SELECT; then
1610 $action $option
1611 else
1612 die_unknown $opt
1613 fi
7483e694
DB
1614 ;;
1615 --list-*)
1616 NAME="${opt#--list-}"
1617 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1618 NAME=${NAME%s}
1619 eval show_list $NAME \$$(toupper $NAME)_LIST
1620 ;;
1621 --help|-h) show_help
1622 ;;
1623 *)
884a36a7 1624 optname="${opt%%=*}"
26759c44
MR
1625 optname="${optname#--}"
1626 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1627 if is_in $optname $CMDLINE_SET; then
1628 eval $optname='$optval'
1629 elif is_in $optname $CMDLINE_APPEND; then
1630 append $optname "$optval"
1631 else
1632 die_unknown $opt
1633 fi
7483e694
DB
1634 ;;
1635 esac
c597172e
MR
1636done
1637
bcea99bb
MR
1638disabled logging && logfile=/dev/null
1639
13cbe2c0 1640echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1641set >> $logfile
1642
9da6609f
MR
1643test -n "$cross_prefix" && enable cross_compile
1644
8d4c00ed
MR
1645if enabled cross_compile; then
1646 test -n "$arch" && test -n "$target_os" ||
1647 die "Must specify target arch and OS when cross-compiling"
1648fi
1649
1650set_default arch target_os
1651
adb2b908 1652ar="${cross_prefix}${ar}"
11e6d03a 1653cc_default="${cross_prefix}${cc_default}"
20e0ed95 1654nm_default="${cross_prefix}${nm_default}"
adb2b908 1655ranlib="${cross_prefix}${ranlib}"
4f837398 1656strip_default="${cross_prefix}${strip_default}"
adb2b908 1657
c5200f17
MR
1658sysinclude_default="${sysroot}/usr/include"
1659
4f837398 1660set_default cc nm strip sysinclude
9da6609f
MR
1661enabled cross_compile || host_cc_default=$cc
1662set_default host_cc
13c7df3d 1663
82bb3329
MR
1664exesuf() {
1665 case $1 in
1666 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1667 esac
1668}
1669
1670EXESUF=$(exesuf $target_os)
1671HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1672
e4e69e0b 1673# set temporary file name
a49d42c2 1674: ${TMPDIR:=$TEMPDIR}
c51fafa1 1675: ${TMPDIR:=$TMP}
a49d42c2 1676: ${TMPDIR:=/tmp}
e4e69e0b 1677
54460a83
MR
1678if ! check_cmd type mktemp; then
1679 # simple replacement for missing mktemp
1680 # NOT SAFE FOR GENERAL USE
1681 mktemp(){
1682 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1683 }
1684fi
1685
1686tmpfile(){
1687 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1688 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1689 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1690 append TMPFILES $tmp
1691 eval $1=$tmp
1692}
1693
1694trap 'rm -f -- $TMPFILES' EXIT
1695trap exit HUP INT TERM
1696
1697tmpfile TMPC .c
1698tmpfile TMPE $EXESUF
1699tmpfile TMPH .h
1700tmpfile TMPO .o
1701tmpfile TMPS .S
a482e61b 1702tmpfile TMPV .ver
54460a83
MR
1703tmpfile TMPSH .sh
1704
1705unset -f mktemp
e4e69e0b 1706
993f2d0f
MR
1707# make sure we can execute files in $TMPDIR
1708cat > $TMPSH 2>> $logfile <<EOF
1709#! /bin/sh
1710EOF
1711chmod +x $TMPSH >> $logfile 2>&1
1712if ! $TMPSH >> $logfile 2>&1; then
1713 cat <<EOF
1714Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1715variable to another directory and make sure that it is not mounted noexec.
1716EOF
1717 die "Sanity test failed."
1718fi
993f2d0f 1719
19b4c628
MR
1720filter_cflags=echo
1721filter_cppflags=echo
1722filter_asflags=echo
1723
8f0c157a 1724if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1725 cc_type=gcc
a3d7c197 1726 cc_version=__VERSION__
aef6bd1b
MR
1727 if ! $cc -dumpversion | grep -q '^2\.'; then
1728 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1729 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1730 fi
14ca9cd0
MR
1731 speed_cflags='-O3'
1732 size_cflags='-Os'
629687f6
MR
1733elif $cc --version 2>/dev/null | grep -q Intel; then
1734 cc_type=icc
6e3fa35d 1735 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1736 CC_DEPFLAGS='-MMD'
1737 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1738 speed_cflags='-O3'
1739 size_cflags='-Os'
629687f6
MR
1740elif $cc -v 2>&1 | grep -q xlc; then
1741 cc_type=xlc
6e3fa35d 1742 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1743 speed_cflags='-O5'
1744 size_cflags='-O5 -qcompact'
df442a8d
MR
1745elif $cc -V 2>/dev/null | grep -q Compaq; then
1746 cc_type=ccc
6e3fa35d 1747 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1748 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1749 debuglevel=3
df442a8d 1750 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1751 speed_cflags='-fast'
1752 size_cflags='-O1'
6a0d5493 1753elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1754 test -d "$sysroot" || die "No valid sysroot specified."
1755 cc_type=armcc
6e3fa35d 1756 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1757 armcc_conf="$PWD/armcc.conf"
1758 $cc --arm_linux_configure \
1759 --arm_linux_config_file="$armcc_conf" \
1760 --configure_sysroot="$sysroot" \
1761 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1762 die "Error creating armcc configuration file."
1763 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1764 as_default="${cross_prefix}gcc"
07dec06e
MR
1765 CC_DEPFLAGS='-MMD'
1766 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1767 speed_cflags='-O3'
1768 size_cflags='-Os'
6fec122a
MR
1769elif $cc -version 2>/dev/null | grep -q TMS470; then
1770 cc_type=tms470
6e3fa35d 1771 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1772 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1773 CC_O='-fr=$(@D)'
1774 as_default="${cross_prefix}gcc"
1775 ld_default="${cross_prefix}gcc"
6fec122a
MR
1776 TMPO=$(basename $TMPC .c).o
1777 append TMPFILES $TMPO
1778 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1779 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1780 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1781 speed_cflags='-O3 -mf=5'
1782 size_cflags='-O3 -mf=2'
6fec122a
MR
1783 filter_cflags=tms470_flags
1784 tms470_flags(){
1785 for flag; do
1786 case $flag in
1787 -march=*|-mcpu=*)
1788 case "${flag#*=}" in
1789 armv7-a|cortex-a*) echo -mv=7a8 ;;
1790 armv7-r|cortex-r*) echo -mv=7r4 ;;
1791 armv7-m|cortex-m*) echo -mv=7m3 ;;
1792 armv6*|arm11*) echo -mv=6 ;;
1793 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1794 echo -mv=5e ;;
1795 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1796 esac
1797 ;;
1798 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1799 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1800 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1801 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1802 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1803 -g) echo -g -mn ;;
587d24ff 1804 -pds=*) echo $flag ;;
6fec122a
MR
1805 esac
1806 done
1807 }
06da6943
DC
1808elif $cc -v 2>&1 | grep -q clang; then
1809 cc_type=clang
1810 cc_version=__VERSION__
1811 CC_DEPFLAGS='-MMD'
1812 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1813 speed_cflags='-O3'
1814 size_cflags='-Os'
2a472e9c
MK
1815elif $cc -V 2>&1 | grep -q Sun; then
1816 cc_type=suncc
1817 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1818 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1819 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1820 speed_cflags='-O5'
1821 size_cflags='-O5 -xspace'
03279bbe
MK
1822 filter_cflags=suncc_flags
1823 suncc_flags(){
1824 for flag; do
1825 case $flag in
1826 -march=*|-mcpu=*)
1827 case "${flag#*=}" in
1828 native) echo -xtarget=native ;;
1829 v9) echo -xarch=sparc ;;
1830 ultrasparc) echo -xarch=sparcvis ;;
1831 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1832 i586|pentium) echo -xchip=pentium ;;
1833 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1834 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1835 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1836 pentium4*) echo -xtarget=pentium4 ;;
1837 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1838 *-sse3) echo -xarch=sse3 ;;
1839 core2) echo -xarch=ssse3 -xchip=core2 ;;
1840 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1841 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1842 k8|opteron|athlon64|athlon-fx)
1843 echo -xarch=sse2a ;;
1844 athlon*) echo -xarch=pentium_proa ;;
1845 esac
1846 ;;
1847 -std=c99) echo -xc99 ;;
1848 -fomit-frame-pointer) echo -xregs=frameptr ;;
1849 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1850 -W*,*) echo $flag ;;
1851 -f*-*|-W*) ;;
1852 *) echo $flag ;;
1853 esac
1854 done
1855 }
629687f6
MR
1856fi
1857
1858test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1859
75bafbac 1860: ${as_default:=$cc}
50567afa 1861: ${dep_cc_default:=$cc}
684b28e0 1862: ${ld_default:=$cc}
50567afa 1863set_default as dep_cc ld
75800dce 1864
07dec06e
MR
1865test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1866test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1867
7f32f40c 1868add_cflags $extra_cflags
2f2e6c7c 1869add_asflags $extra_cflags
7f32f40c 1870
154d432c
MR
1871if test -n "$sysroot"; then
1872 case "$cc_type" in
1873 gcc)
467256f2 1874 add_cppflags --sysroot="$sysroot"
154d432c
MR
1875 add_ldflags --sysroot="$sysroot"
1876 ;;
6fec122a
MR
1877 tms470)
1878 add_cppflags -I"$sysinclude"
1879 add_ldflags --sysroot="$sysroot"
1880 ;;
06da6943 1881 clang)
4def700e
DC
1882 add_cppflags -isysroot "$sysroot"
1883 add_ldflags -isysroot "$sysroot"
06da6943 1884 ;;
154d432c
MR
1885 esac
1886fi
1887
d22c13a8
MR
1888if test "$cpu" = host; then
1889 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1890
1891 case "$cc_type" in
1892 gcc)
1893 check_native(){
1894 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1895 sed -n "/$1=/{
1896 s/.*$1=\\([^ ]*\\).*/\\1/
1897 p
1898 q
1899 }" $TMPE
d22c13a8
MR
1900 }
1901 cpu=$(check_native -march || check_native -mcpu)
1902 ;;
1903 esac
1904
1905 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1906fi
1907
e939cedd
MR
1908# Deal with common $arch aliases
1909case "$arch" in
1910 arm*)
1911 arch="arm"
1912 ;;
1913 mips|mipsel|IP*)
1914 arch="mips"
1915 ;;
47b1860e 1916 mips64*)
e939cedd
MR
1917 arch="mips"
1918 subarch="mips64"
1919 ;;
1920 parisc|hppa)
1921 arch="parisc"
1922 ;;
1923 parisc64|hppa64)
1924 arch="parisc"
1925 subarch="parisc64"
1926 ;;
1927 "Power Macintosh"|ppc|powerpc)
1928 arch="ppc"
1929 ;;
47b1860e 1930 ppc64|powerpc64)
e939cedd
MR
1931 arch="ppc"
1932 subarch="ppc64"
1933 ;;
1934 s390|s390x)
1935 arch="s390"
1936 ;;
1937 sh4|sh)
1938 arch="sh4"
1939 ;;
1940 sun4u|sparc64)
1941 arch="sparc"
1942 subarch="sparc64"
1943 ;;
1944 i[3-6]86|i86pc|BePC|x86_64|amd64)
1945 arch="x86"
1946 ;;
1947esac
1948
1949is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1950enable $arch
e939cedd 1951
df5cdc24 1952# Add processor-specific flags
5d54c126
MR
1953if test "$cpu" = generic; then
1954 : do nothing
1955elif enabled ppc; then
343aef9b 1956
56348891
MR
1957 case $(tolower $cpu) in
1958 601|ppc601|powerpc601)
9dbd5c3d 1959 cpuflags="-mcpu=601"
64ad53ff 1960 disable altivec
9dbd5c3d 1961 ;;
56348891 1962 603*|ppc603*|powerpc603*)
9dbd5c3d 1963 cpuflags="-mcpu=603"
64ad53ff 1964 disable altivec
9dbd5c3d 1965 ;;
56348891 1966 604*|ppc604*|powerpc604*)
9dbd5c3d 1967 cpuflags="-mcpu=604"
64ad53ff 1968 disable altivec
9dbd5c3d 1969 ;;
56348891 1970 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1971 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1972 disable altivec
9dbd5c3d 1973 ;;
56348891 1974 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1975 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1976 ;;
56348891 1977 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1978 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1979 ;;
56348891 1980 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1981 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1982 ;;
56348891 1983 cell)
9dbd5c3d
MR
1984 cpuflags="-mcpu=cell"
1985 enable ldbrx
1986 ;;
7b0b81a1
AL
1987 e500v2)
1988 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1989 disable altivec
1990 ;;
1991 e500)
1992 cpuflags="-mcpu=8540 -mhard-float"
1993 disable altivec
1994 ;;
9dbd5c3d 1995 esac
343aef9b
MR
1996
1997elif enabled x86; then
1998
9dbd5c3d
MR
1999 case $cpu in
2000 i[345]86|pentium)
2001 cpuflags="-march=$cpu"
2002 disable mmx
2003 ;;
2004 # targets that do NOT support conditional mov (cmov)
2005 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2006 cpuflags="-march=$cpu"
2007 disable cmov
2008 ;;
2009 # targets that do support conditional mov (cmov)
2010 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2011 cpuflags="-march=$cpu"
2012 enable cmov
2013 enable fast_cmov
2014 ;;
2015 # targets that do support conditional mov but on which it's slow
2016 pentium4|pentium4m|prescott|nocona)
2017 cpuflags="-march=$cpu"
2018 enable cmov
2019 disable fast_cmov
2020 ;;
2021 esac
343aef9b
MR
2022
2023elif enabled sparc; then
2024
9dbd5c3d
MR
2025 case $cpu in
2026 sparc64)
2027 cpuflags="-mcpu=v9"
2028 ;;
2029 esac
343aef9b
MR
2030
2031elif enabled arm; then
2032
34ba23c9
MR
2033 case $cpu in
2034 armv*)
2035 cpuflags="-march=$cpu"
2036 ;;
2037 *)
2038 cpuflags="-mcpu=$cpu"
2039 ;;
2040 esac
343aef9b
MR
2041
2042elif enabled alpha; then
2043
34ba23c9 2044 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2045
2046elif enabled bfin; then
2047
34ba23c9 2048 cpuflags="-mcpu=$cpu"
343aef9b
MR
2049
2050elif enabled mips; then
2051
34ba23c9 2052 cpuflags="-march=$cpu"
343aef9b
MR
2053
2054elif enabled avr32; then
2055
9dbd5c3d
MR
2056 case $cpu in
2057 ap7[02]0[0-2])
2058 subarch="avr32_ap"
2059 cpuflags="-mpart=$cpu"
2060 ;;
2061 ap)
2062 subarch="avr32_ap"
2063 cpuflags="-march=$cpu"
2064 ;;
2065 uc3[ab]*)
2066 subarch="avr32_uc"
2067 cpuflags="-mcpu=$cpu"
2068 ;;
2069 uc)
2070 subarch="avr32_uc"
2071 cpuflags="-march=$cpu"
2072 ;;
2073 esac
df5cdc24 2074
343aef9b
MR
2075fi
2076
df5cdc24
MR
2077add_cflags $cpuflags
2078add_asflags $cpuflags
2079
993f2d0f
MR
2080# compiler sanity check
2081check_exec <<EOF
2082int main(void){ return 0; }
2083EOF
2084if test "$?" != 0; then
2085 echo "$cc is unable to create an executable file."
2086 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2087 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2088 echo "Only do this if you know what cross compiling means."
2089 fi
2090 die "C compiler test failed."
2091fi
2092
38a9c529 2093add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2094check_cflags -std=c99
50a334e4 2095check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2096#include <stdlib.h>
2097EOF
50a334e4 2098check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2099#include <stdlib.h>
2100EOF
e9b9a2f8 2101
f0125de9
MR
2102check_host_cflags -std=c99
2103
b24dbcbd 2104case "$arch" in
e939cedd 2105 alpha|ia64|mips|parisc|sparc)
8a3c8627 2106 spic=$shared
b24dbcbd 2107 ;;
e939cedd 2108 x86)
cfdb6148 2109 subarch="x86_32"
e939cedd 2110 check_cc <<EOF && subarch="x86_64"
58b3536d 2111 int test[(int)sizeof(char*) - 7];
cfdb6148 2112EOF
de27f4d9 2113 if test "$subarch" = "x86_64"; then
e939cedd 2114 spic=$shared
de27f4d9 2115 fi
b24dbcbd 2116 ;;
b24dbcbd
RP
2117esac
2118
343aef9b 2119enable $subarch
8a3c8627 2120enabled spic && enable pic
5755bc88 2121check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2122
7483e694 2123# OS specific
4f854758 2124case $target_os in
7483e694 2125 beos|haiku|zeta)
c9d19248 2126 prefix_default="$HOME/config"
7483e694 2127 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2128 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2129 case "$gcc_version" in
2130 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2131 disable mmx
2132 ;;
2133 *20010315*) echo "BeBits gcc"
0f010b2f 2134 add_cflags -fno-expensive-optimizations
7483e694
DB
2135 ;;
2136 esac
7483e694
DB
2137 SHFLAGS=-nostart
2138 # enable BeOS things
2139 enable audio_beos
2140 # no need for libm, but the inet stuff
2141 # Check for BONE
2142 # XXX: actually should check for NOT net_server
78fe7631 2143 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2144 network_extralibs="-lbind -lsocket"
2145 else
2146 enable beos_netserver
2147 network_extralibs="-lnet"
2148 fi ;;
2149 sunos)
2150 FFSERVERLDFLAGS=""
9987769a 2151 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2152 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2153 network_extralibs="-lsocket -lnsl"
50a334e4 2154 add_cppflags -D__EXTENSIONS__
8182dc34 2155 nm_opts='-P -g'
7483e694
DB
2156 ;;
2157 netbsd)
07a8eef6
MR
2158 oss_indev_extralibs="-lossaudio"
2159 oss_outdev_extralibs="-lossaudio"
2138dc99 2160 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2161 ;;
2162 openbsd)
89e053f8 2163 enable malloc_aligned
7c4a001a
MR
2164 # On OpenBSD 4.5. the compiler does not use PIC unless
2165 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2166 # however the generated executable will not do anything
2167 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2168 # Thus explicitly enable PIC here.
cd78208b 2169 enable pic
7483e694 2170 SHFLAGS='-shared'
07a8eef6
MR
2171 oss_indev_extralibs="-lossaudio"
2172 oss_outdev_extralibs="-lossaudio"
7483e694 2173 ;;
90b4f091 2174 freebsd|dragonfly)
89e053f8 2175 enable malloc_aligned
7483e694
DB
2176 ;;
2177 bsd/os)
2178 osextralibs="-lpoll -lgnugetopt"
2179 strip="strip -d"
2180 ;;
2181 darwin)
89e053f8 2182 enable malloc_aligned
0138c54e 2183 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2184 strip="strip -x"
2185 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2186 SLIBSUF=".dylib"
2187 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2188 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2189 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2190 objformat="macho"
1b0f6fb8 2191 enabled x86_64 && objformat="macho64"
8dfa86f7 2192 enabled_any pic shared ||
2704bd1a 2193 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2194 ;;
2195 mingw32*)
9d3f4f50 2196 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2197 disable network
2198 else
2199 target_os=mingw32
2200 fi
dcc01c06 2201 LIBTARGET=i386
1fc9fb8a 2202 if enabled x86_64; then
89e053f8 2203 enable malloc_aligned
dcc01c06 2204 LIBTARGET=x64
336cc1b0
MS
2205 elif enabled arm; then
2206 LIBTARGET=arm
dcc01c06 2207 fi
fbd971a4 2208 shlibdir_default="$bindir_default"
7483e694
DB
2209 disable ffserver
2210 SLIBPREF=""
2211 SLIBSUF=".dll"
7483e694
DB
2212 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2213 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2214 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2215 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2216 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2217 install -d "$(LIBDIR)"; \
2218 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2219 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2220 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2221 objformat="win32"
bc574408 2222 enable dos_paths
1894e741 2223 check_cflags -fno-common
b1549d61 2224 if ! enabled x86_64; then
f7ad5aa2
RP
2225 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2226 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2227 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2228 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2229 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2230 fi
7483e694
DB
2231 ;;
2232 cygwin*)
4f854758 2233 target_os=cygwin
fbd971a4 2234 shlibdir_default="$bindir_default"
7483e694
DB
2235 SLIBPREF="cyg"
2236 SLIBSUF=".dll"
2237 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2238 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2239 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2240 objformat="win32"
bc574408 2241 enable dos_paths
1894e741 2242 check_cflags -fno-common
7483e694 2243 ;;
4f365f37 2244 *-dos|freedos|opendos)
fdf11906 2245 disable ffplay ffserver
4f365f37
MK
2246 disable $INDEV_LIST $OUTDEV_LIST
2247 network_extralibs="-lsocket"
ff1c015d 2248 objformat="coff"
bc574408 2249 enable dos_paths
4f365f37 2250 ;;
7483e694 2251 linux)
7483e694
DB
2252 enable dv1394
2253 ;;
2254 irix*)
4f854758 2255 target_os=irix
7483e694
DB
2256 ranlib="echo ignoring ranlib"
2257 ;;
d22e8442 2258 os/2*)
d22e8442
DY
2259 strip="lxlite"
2260 ln_s="cp -f"
d22e8442 2261 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2262 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2263 FFSERVERLDFLAGS=""
287d3b13 2264 LIBSUF="_s.a"
d22e8442
DY
2265 SLIBPREF=""
2266 SLIBSUF=".dll"
2267 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2268 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2269 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2270 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2271 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2272 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2273 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2274 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2275 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2276 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2277 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2278 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2279 enable dos_paths
d22e8442 2280 ;;
83993c1c
AM
2281 gnu/kfreebsd)
2282 ;;
34e82167 2283 gnu)
34e82167 2284 ;;
614d8911
MR
2285 none)
2286 ;;
7483e694 2287 *)
4f924f9a 2288 die "Unknown OS '$target_os'."
7483e694
DB
2289 ;;
2290esac
2291
c9d19248
MR
2292set_default $PATHS_LIST
2293
c597172e 2294add_extralibs $osextralibs
de6d9b64 2295
28d8e661
DB
2296# Combine FFLDFLAGS and the LDFLAGS environment variable.
2297LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2298
320d060a 2299# we need to build at least one lib type
93b3c083 2300if ! enabled_any static shared; then
320d060a
DB
2301 cat <<EOF
2302At least one library type must be built.
2303Specify --enable-static to build the static libraries or --enable-shared to
2304build the shared libraries as well. To only build the shared libraries specify
2305--disable-static in addition to --enable-shared.
2306EOF
2307 exit 1;
2308fi
2309
abc4e572 2310disabled static && LIBNAME=""
2a320695 2311
a2234ceb
RP
2312if enabled_any libfaad libfaadbin ; then
2313 if check_header faad.h; then
295b8c70 2314 check_cc <<EOF
a2234ceb
RP
2315#include <faad.h>
2316#ifndef FAAD2_VERSION
2317ok faad1
2318#endif
db817cf3 2319int main(void) { return 0; }
a2234ceb
RP
2320EOF
2321 test $? = 0 && enable libfaad2
2322 else
ff3dac65 2323 die "FAAD test failed."
a2234ceb
RP
2324 fi
2325fi
2326
2327
2184c6f7 2328die_license_disabled() {
4c27207c 2329 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2330}
2331
2332die_license_disabled gpl libfaad2
2333die_license_disabled gpl libx264
2334die_license_disabled gpl libxvid
2335die_license_disabled gpl postproc
2336die_license_disabled gpl x11grab
2337
2f7ae63b 2338die_license_disabled nonfree libfaac
b2e3c528 2339
0b175caa
DB
2340die_license_disabled version3 libopencore_amrnb
2341die_license_disabled version3 libopencore_amrwb
2342
9cad0e4e 2343enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2344
9eeed841 2345check_deps $ARCH_EXT_LIST
0f3cb305 2346
40617a6d 2347disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2348
e276d9e8
MR
2349enable_pic() {
2350 enable pic
bce7b696
MR
2351 add_cppflags -DPIC
2352 add_cflags -fPIC
2353 add_asflags -fPIC
e276d9e8
MR
2354}
2355
2356enabled pic && enable_pic
bce7b696 2357
b4d96ba2
MR
2358check_cc <<EOF || die "Symbol mangling check failed."
2359int ff_extern;
2360EOF
8182dc34 2361sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2362extern_prefix=${sym%%ff_extern*}
2363
f65883c8
MR
2364check_cc <<EOF && enable inline_asm
2365void foo(void) { __asm__ volatile ("" ::); }
2366EOF
61d251db 2367
df5e3978
MR
2368_restrict=
2369for restrict_keyword in restrict __restrict__ __restrict; do
2370 check_cc <<EOF && _restrict=$restrict_keyword && break
2371void foo(char * $restrict_keyword p);
2372EOF
2373done
2374
2375check_cc <<EOF && enable attribute_packed
2376struct { int x; } __attribute__((packed)) x;
2377EOF
2378
dffb41b9
MR
2379check_cc <<EOF && enable attribute_may_alias
2380union { int x; } __attribute__((may_alias)) x;
2381EOF
2382
df5e3978
MR
2383check_cc <<EOF || die "endian test failed"
2384unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2385EOF
48fc536a 2386od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2387
e939cedd
MR
2388if enabled alpha; then
2389
2390 check_cflags -mieee
2391
2392elif enabled arm; then
e45391bb 2393
50fa82e6
MR
2394 check_cflags -marm
2395
fa0912fe
MR
2396 check_ld <<EOF && enable vfp_args
2397__asm__ (".eabi_attribute 28, 1");
2398int main(void) { return 0; }
2399EOF
2400
2401 # We have to check if pld is a nop and disable it.
2402 check_asm pld '"pld [r0]"'
2403
2404 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2405 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2406 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2407 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2408 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2409 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2410
e276d9e8
MR
2411 enabled_all armv6t2 shared !pic && enable_pic
2412
e939cedd
MR
2413elif enabled ia64; then
2414
2415 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2416 enabled shared && enable_weak hardcoded_tables
2417
fa0912fe 2418elif enabled mips; then
e45391bb 2419
fa0912fe
MR
2420 check_asm loongson '"dmult.g $1, $2, $3"'
2421 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2422
fa0912fe 2423elif enabled ppc; then
e45391bb 2424
e6a0c354
MR
2425 enable local_aligned_8 local_aligned_16
2426
fa0912fe
MR
2427 check_asm dcbzl '"dcbzl 0, 1"'
2428 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2429 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2430
2431 # AltiVec flags: The FSF version of GCC differs from the Apple version
2432 if enabled altivec; then
2433 check_cflags -maltivec -mabi=altivec &&
2434 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2435 check_cflags -faltivec
2436
2437 # check if our compiler supports Motorola AltiVec C API
2438 check_cc <<EOF || disable altivec
2439$inc_altivec_h
2440int main(void) {
2441 vector signed int v1, v2, v3;
2442 v1 = vec_add(v2,v3);
2443 return 0;
2444}
2445EOF
2446
2447 # check if our compiler supports braces for vector declarations
2448 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2449$inc_altivec_h
2450int main (void) { (vector int) {1}; return 0; }
2451EOF
2452 fi
e45391bb 2453
fa0912fe 2454elif enabled sparc; then
e45391bb 2455
fa0912fe
MR
2456 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2457 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2458
fa0912fe 2459elif enabled x86; then
e45391bb 2460
e6a0c354
MR
2461 enable local_aligned_8 local_aligned_16
2462
44965991
PI
2463 # check whether EBP is available on x86
2464 # As 'i' is stored on the stack, this program will crash
2465 # if the base pointer is used to access it because the
2466 # base pointer is cleared in the inline assembly code.
7dfef245 2467 check_exec_crash <<EOF && enable ebp_available
44965991 2468 volatile int i=0;
be449fca 2469 __asm__ volatile (
44965991
PI
2470 "xorl %%ebp, %%ebp"
2471 ::: "%ebp");
2472 return i;
44965991
PI
2473EOF
2474
f494213c 2475 # check whether EBX is available on x86
7cee5421
MR
2476 check_asm ebx_available '""::"b"(0)' &&
2477 check_asm ebx_available '"":::"%ebx"'
8e380710 2478
d3a4b4e0
DB
2479 # check whether more than 10 operands are supported
2480 check_cc <<EOF && enable ten_operands
2481int main(void) {
2482 int x=0;
2483 __asm__ volatile(
2484 ""
2485 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2486 );
2487 return 0;
2488}
2489EOF
2490
d7f0920b 2491 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2492 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2493 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2494
2495 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2496
d52481b9 2497 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2498 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2499 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2500 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2501 case "$objformat" in
2502 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2503 esac
7595a5e4 2504 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2505
669b5583
MR
2506 case "$cpu" in
2507 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2508 disable fast_clz
2509 ;;
2510 esac
2511
44965991
PI
2512fi
2513
a98bb16d
RP
2514if check_func dlopen; then
2515 ldl=
2516elif check_func dlopen -ldl; then
2517 ldl=-ldl
8bf5d58f
MN
2518fi
2519
75ecf149
DB
2520# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2521check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2522
7483e694 2523check_func fork
84882df6 2524check_func getaddrinfo $network_extralibs
7483e694
DB
2525check_func gethrtime
2526check_func getrusage
fc5607f8 2527check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2528check_func inet_aton $network_extralibs
abfc8d05 2529check_func isatty
4ae40685 2530check_func ${malloc_prefix}memalign && enable memalign
7483e694 2531check_func mkstemp
4ae40685 2532check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2533check_func setrlimit
b507ebd1 2534check_func_headers io.h setmode
e4673692 2535check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2536check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2537check_func_headers windows.h GetProcessTimes
7c5bfe7a 2538check_func_headers windows.h VirtualAlloc
6ffa87d3 2539
e16e49ac 2540check_header conio.h
a98bb16d 2541check_header dlfcn.h
92c6a099 2542check_header dxva2api.h
a98bb16d 2543check_header malloc.h
bf6ce82d 2544check_header poll.h
b58412f1 2545check_header sys/mman.h
b091aa44 2546check_header sys/resource.h
bf6ce82d 2547check_header sys/select.h
a98bb16d 2548check_header termios.h
272081b0
CEH
2549check_header vdpau/vdpau.h
2550check_header vdpau/vdpau_x11.h
68178ca9 2551check_header X11/extensions/XvMClib.h
a98bb16d 2552
9104cd51
RP
2553check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2554
89e053f8
MR
2555if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2556 enabled_any $need_memalign ; then
1f91cdce 2557 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2558fi
e16e49ac 2559
a4fa192c 2560disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2561disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2562
2563# check for some common methods of building with pthread support
2564# do this before the optional library checks as some of them require pthreads
2565if enabled pthreads; then
9e7fd101
MR
2566 if check_func pthread_create; then
2567 :
2568 elif check_func pthread_create -pthread; then
2569 add_cflags -pthread
afc9aee2 2570 add_extralibs -pthread
9e7fd101
MR
2571 elif check_func pthread_create -pthreads; then
2572 add_cflags -pthreads
afc9aee2 2573 add_extralibs -pthreads
8d94f606
GT
2574 elif check_func pthread_create -lpthreadGC2; then
2575 add_extralibs -lpthreadGC2
9e7fd101
MR
2576 elif ! check_lib pthread.h pthread_create -lpthread; then
2577 die "ERROR: can't find pthreads library"
2578 fi
57bd82d4
MR
2579fi
2580
8eee7025 2581for thread in $THREADS_LIST; do
e5f94c2b 2582 if enabled $thread; then
3ae3b721
RP
2583 test -n "$thread_type" &&
2584 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2585 thread_type="$thread"
e5f94c2b
RP
2586 fi
2587done
2588
fdf88598 2589check_lib math.h sin -lm
ff418735 2590check_lib va/va.h vaInitialize -lva
fdf88598 2591
645d2652
MR
2592check_mathfunc exp2
2593check_mathfunc exp2f
2594check_mathfunc llrint
2595check_mathfunc log2
2596check_mathfunc log2f
2597check_mathfunc lrint
2598check_mathfunc lrintf
2599check_mathfunc round
2600check_mathfunc roundf
2601check_mathfunc truncf
f32adb22 2602
57bd82d4 2603# these are off by default, so fail if requested and not available
a1b3c5a3 2604enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2605enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2606 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2607 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2608enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2609enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2610enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2611enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2612enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2613enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2614enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2615enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2616enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2617 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2618enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2619enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2620enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2621enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2622 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2623 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2624enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2625enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2626
0b4a1821
AS
2627# libdc1394 check
2628if enabled libdc1394; then
2629 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2630 enable libdc1394_2; } ||
2631 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2632 enable libdc1394_1; } ||
2633 die "ERROR: No version of libdc1394 found "
2634fi
2635
6a1a892f 2636SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2637if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2638 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2639 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2640 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2641 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2642 enable sdl &&
2643 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2644fi
57bd82d4 2645
2270b4b2 2646texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2647
73b46a95 2648if enabled network; then
96000432 2649 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2650 check_type netdb.h "struct addrinfo"
b4d68544
MS
2651 check_type netinet/in.h "struct ipv6_mreq"
2652 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2653 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2654 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2655 # Prefer arpa/inet.h over winsock2
2656 if check_header arpa/inet.h ; then
2657 check_func closesocket
2658 elif check_header winsock2.h ; then
f4c13872
MS
2659 check_func_headers winsock2.h closesocket -lws2 && \
2660 network_extralibs="-lws2" || \
2661 { check_func_headers winsock2.h closesocket -lws2_32 && \
2662 network_extralibs="-lws2_32"; }
72be9e73 2663 check_type ws2tcpip.h socklen_t
c0018613 2664 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2665 check_type ws2tcpip.h "struct ipv6_mreq"
2666 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2667 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2668 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2669 else
2670 disable network
73b46a95
RP
2671 fi
2672fi
2673
06e31011
RP
2674check_header linux/videodev.h
2675check_header linux/videodev2.h
1b6e8b73 2676check_header sys/videoio.h
47f38850 2677
27796dc3 2678check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2679
f8aa696f 2680# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2681{ check_header dev/bktr/ioctl_meteor.h &&
2682 check_header dev/bktr/ioctl_bt848.h; } ||
2683{ check_header machine/ioctl_meteor.h &&
2684 check_header machine/ioctl_bt848.h; } ||
2685{ check_header dev/video/meteor/ioctl_meteor.h &&
2686 check_header dev/video/bktr/ioctl_bt848.h; } ||
2687check_header dev/ic/bt8xx.h
f8aa696f 2688
c7682de0
RP
2689check_header sys/soundcard.h
2690check_header soundcard.h
deb29777 2691
b6f3d925 2692enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2693
0e57fe17 2694enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2695
56a059ac 2696enabled x11grab &&
f58f4ce1
GP
2697check_header X11/Xlib.h &&
2698check_header X11/extensions/XShm.h &&
0a045661 2699check_header X11/extensions/Xfixes.h &&
f58f4ce1 2700check_func XOpenDisplay -lX11 &&
781c1aa6
R
2701check_func XShmCreateImage -lX11 -lXext &&
2702check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2703
598ef02b 2704if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2705check_cpp_condition \
2706 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2707 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2708 disable vdpau; }
abf649c7 2709fi
deda2a4a 2710
95e561ec 2711enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2712
2713# add some useful compiler flags if supported
2714check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2715check_cflags -Wall
2716check_cflags -Wno-switch
c07bd6a9
MN
2717check_cflags -Wdisabled-optimization
2718check_cflags -Wpointer-arith
2719check_cflags -Wredundant-decls
cc1fb623 2720check_cflags -Wno-pointer-sign
f4929996 2721check_cflags -Wcast-qual
9aceb3cf 2722check_cflags -Wwrite-strings
652a5bf6 2723check_cflags -Wtype-limits
764551c6 2724check_cflags -Wundef
fc298fd9 2725check_cflags -Wmissing-prototypes
5af4e0cc 2726enabled extra_warnings && check_cflags -Winline
cf9d24ad 2727
57bd82d4 2728# add some linker flags
5c0e9479 2729check_ldflags -Wl,--warn-common
8351d2ba
DB
2730check_ldflags -Wl,--as-needed
2731check_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 2732check_ldflags -Wl,-Bsymbolic
94a3401e 2733
a482e61b
MR
2734echo "X{};" > $TMPV
2735test_ldflags -Wl,--version-script,$TMPV &&
2736 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2737
bd2216e4 2738if enabled small; then
14ca9cd0 2739 add_cflags $size_cflags
8400d6b8
DB
2740 optimizations="small"
2741elif enabled optimizations; then
14ca9cd0 2742 add_cflags $speed_cflags
cddf3f45 2743fi
11fdbc44 2744check_cflags -fno-math-errno
b2eb2ff0 2745check_cflags -fno-signed-zeros
cddf3f45 2746
629687f6 2747if enabled icc; then
b1598b58
MR
2748 # Just warnings, no remarks
2749 check_cflags -w1
2750 # -wd: Disable following warnings
2751 # 144, 167, 556: -Wno-pointer-sign
2752 # 10006: ignoring unknown option -fno-signed-zeros
2753 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2754 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2755 # 11030: Warning unknown option --as-needed
2756 # 10156: ignoring option '-export'; no argument required
2757 check_ldflags -wd10156,11030
2758 # Allow to compile with optimizations
2759 check_ldflags -march=$cpu
be2cf98a
CEH
2760 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2761 enable ebp_available
df442a8d
MR
2762elif enabled ccc; then
2763 # disable some annoying warnings
2764 add_cflags -msg_disable cvtu32to64
2765 add_cflags -msg_disable embedcomment
2766 add_cflags -msg_disable needconstext
2767 add_cflags -msg_disable nomainieee
2768 add_cflags -msg_disable ptrmismatch1
2769 add_cflags -msg_disable unreachcode
973859f5
MR
2770elif enabled gcc; then
2771 check_cflags -fno-tree-vectorize
62df111c 2772 check_cflags -Werror=implicit
de63bfec 2773 check_cflags -Werror=missing-prototypes
06da6943
DC
2774elif enabled clang; then
2775 check_cflags -Qunused-arguments
138132be
MR
2776elif enabled armcc; then
2777 # 2523: use of inline assembler is deprecated
2778 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2779 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2780elif enabled tms470; then
2781 add_cflags -pds=824 -pds=837
504a64b9
CEH
2782fi
2783
90be59ef 2784if enabled gprof; then
0f010b2f
DB
2785 add_cflags -p
2786 add_ldflags -p
1db54e20
DB
2787fi
2788
7f3c02fc 2789# Find out if the .align argument is a power of two or not.
9377b6ce 2790check_asm asmalign_pot '".align 3"'
4454dc1b 2791
7483e694
DB
2792enabled_any $DECODER_LIST && enable decoders
2793enabled_any $ENCODER_LIST && enable encoders
5666fd73 2794enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2795enabled_any $BSF_LIST && enable bsfs
2796enabled_any $DEMUXER_LIST && enable demuxers
2797enabled_any $MUXER_LIST && enable muxers
f7679c54 2798enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2799enabled_any $INDEV_LIST && enable indevs
2800enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2801enabled_any $PROTOCOL_LIST && enable protocols
2802
2803enabled_any $THREADS_LIST && enable threads
2804
2805check_deps $CONFIG_LIST \
b6bb00b0 2806 $CONFIG_EXTRA \
7483e694
DB
2807 $HAVE_LIST \
2808 $DECODER_LIST \
2809 $ENCODER_LIST \
5666fd73 2810 $HWACCEL_LIST \
7483e694
DB
2811 $PARSER_LIST \
2812 $BSF_LIST \
2813 $DEMUXER_LIST \
2814 $MUXER_LIST \
f7679c54 2815 $FILTER_LIST \
7483e694
DB
2816 $INDEV_LIST \
2817 $OUTDEV_LIST \
2818 $PROTOCOL_LIST \
f70f03f6 2819
c8a4ae00
MR
2820enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2821
3e89171a 2822echo "install prefix $prefix"
f36958f8
DB
2823echo "source path $source_path"
2824echo "C compiler $cc"
bfd5afd8 2825echo ".align is power-of-two $asmalign_pot"
f36958f8 2826echo "ARCH $arch ($cpu)"
ce8871c2
MR
2827if test "$build_suffix" != ""; then
2828 echo "build suffix $build_suffix"
eb94aca9 2829fi
ac63af34
DB
2830if test "$extra_version" != ""; then
2831 echo "version string suffix $extra_version"
2832fi
0db2ce77 2833echo "big-endian ${bigendian-no}"
e90f5b5a 2834echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2835if enabled x86; then
af44e8e4 2836 echo "yasm ${yasm-no}"
0db2ce77 2837 echo "MMX enabled ${mmx-no}"
30e98e62 2838 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2839 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2840 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2841 echo "SSE enabled ${sse-no}"
30e98e62 2842 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2843 echo "CMOV enabled ${cmov-no}"
2844 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2845 echo "EBX available ${ebx_available-no}"
2846 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2847 echo "10 operands supported ${ten_operands-no}"
e41e8342 2848fi
5b6c2cbd 2849if enabled arm; then
0db2ce77
MR
2850 echo "ARMv5TE enabled ${armv5te-no}"
2851 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2852 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2853 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2854 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2855 echo "NEON enabled ${neon-no}"
eba9ae3c 2856fi
5b6c2cbd 2857if enabled mips; then
0db2ce77 2858 echo "MMI enabled ${mmi-no}"
e41e8342 2859fi
5b6c2cbd 2860if enabled ppc; then
0db2ce77 2861 echo "AltiVec enabled ${altivec-no}"
30e98e62 2862 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2863 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2864 echo "performance report ${powerpc_perf-no}"
2865fi
2866if enabled sparc; then
2867 echo "VIS enabled ${vis-no}"
e41e8342 2868fi
0db2ce77
MR
2869echo "gprof enabled ${gprof-no}"
2870echo "debug symbols ${debug-no}"
87a0fb62 2871echo "strip symbols ${stripping-no}"
8400d6b8 2872echo "optimizations ${optimizations-no}"
0db2ce77
MR
2873echo "static ${static-no}"
2874echo "shared ${shared-no}"
4a24ab64 2875echo "postprocessing support ${postproc-no}"
f7679c54 2876echo "new filter support ${avfilter-no}"
81124ba0 2877echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2878echo "network support ${network-no}"
0db2ce77
MR
2879echo "threading support ${thread_type-no}"
2880echo "SDL support ${sdl-no}"
0db2ce77
MR
2881echo "Sun medialib support ${mlib-no}"
2882echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2883echo "libdc1394 support ${libdc1394-no}"
690bfceb 2884echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2885echo "libfaac enabled ${libfaac-no}"
2886echo "libfaad enabled ${libfaad-no}"
7e0871a7 2887echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2888echo "libgsm enabled ${libgsm-no}"
2889echo "libmp3lame enabled ${libmp3lame-no}"
2890echo "libnut enabled ${libnut-no}"
0b175caa
DB
2891echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2892echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2893echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2894echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2895echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2896echo "libtheora enabled ${libtheora-no}"
2897echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2898echo "libx264 enabled ${libx264-no}"
2899echo "libxvid enabled ${libxvid-no}"
0db2ce77 2900echo "zlib enabled ${zlib-no}"
f402916e 2901echo "bzlib enabled ${bzlib-no}"
2c62e737 2902echo
de6d9b64 2903
5666fd73 2904for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2905 echo "Enabled ${type}s:"
f65c9da1 2906 eval list=\$$(toupper $type)_LIST
8138b9db 2907 for part in $list; do
f65c9da1
MR
2908 enabled $part && echo ${part%_*}
2909 done | sort | pr -3 -t
2910 echo
8138b9db
RP
2911done
2912
ba7a7039 2913license="LGPL version 2.1 or later"
ba321adb 2914if enabled nonfree; then
ba7a7039 2915 license="nonfree and unredistributable"
9cad0e4e
DB
2916elif enabled gplv3; then
2917 license="GPL version 3 or later"
2918elif enabled lgplv3; then
2919 license="LGPL version 3 or later"
ba321adb 2920elif enabled gpl; then
ba7a7039 2921 license="GPL version 2 or later"
ba321adb
JK
2922fi
2923
2924echo "License: $license"
ca5323af 2925
cf1392e9
DB
2926echo "Creating config.mak and config.h..."
2927
df642790
MR
2928# build tree in object directory if source path is different from current one
2929if enabled source_path_used; then
2930 DIRS="
2931 doc
2932 libavcodec
2933 libavcodec/$arch
2934 libavdevice
2935 libavfilter
2936 libavformat
2937 libavutil
2938 libavutil/$arch
2939 libpostproc
2940 libswscale
2941 libswscale/$arch
2942 tests
2943 tools
2944 "
2945 FILES="
2946 Makefile
2947 common.mak
2948 subdir.mak
2949 doc/texi2pod.pl
2950 libavcodec/Makefile
2951 libavdevice/Makefile
2952 libavfilter/Makefile
2953 libavformat/Makefile
2954 libavutil/Makefile
2955 libpostproc/Makefile
2956 libswscale/Makefile
2957 "
54a2ae37
MR
2958 map 'mkdir -p $_' $DIRS;
2959 map '$ln_s "$source_path/$_" $_' $FILES
df642790
MR
2960fi
2961
ad212cc6
MR
2962enabled stripping || strip="echo skipping strip"
2963
173c983b
MR
2964cat > config.mak <<EOF
2965# Automatically generated by configure - do not modify!
2966ifndef FFMPEG_CONFIG_MAK
2967FFMPEG_CONFIG_MAK=1
2968FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2969prefix=$prefix
2970LIBDIR=\$(DESTDIR)$libdir
2971SHLIBDIR=\$(DESTDIR)$shlibdir
2972INCDIR=\$(DESTDIR)$incdir
2973BINDIR=\$(DESTDIR)$bindir
2974DATADIR=\$(DESTDIR)$datadir
2975MANDIR=\$(DESTDIR)$mandir
2976SRC_PATH="$source_path"
2977SRC_PATH_BARE=$source_path
2978BUILD_ROOT="$PWD"
2979ARCH=$arch
2980CC=$cc
2981AS=$as
2982LD=$ld
2983DEPCC=$dep_cc
2984YASM=$yasmexe
a4aea515 2985YASMDEP=$yasmexe
173c983b
MR
2986AR=$ar
2987RANLIB=$ranlib
4335125c 2988CP=cp -p
173c983b
MR
2989LN_S=$ln_s
2990STRIP=$strip
2991CPPFLAGS=$CPPFLAGS
2992CFLAGS=$CFLAGS
2993ASFLAGS=$ASFLAGS
2994CC_O=$CC_O
2995LDFLAGS=$LDFLAGS
2996FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2997SHFLAGS=$SHFLAGS
2998YASMFLAGS=$YASMFLAGS
2999BUILDSUF=$build_suffix
3000FULLNAME=$FULLNAME
3001LIBPREF=$LIBPREF
3002LIBSUF=$LIBSUF
3003LIBNAME=$LIBNAME
3004SLIBPREF=$SLIBPREF
3005SLIBSUF=$SLIBSUF
3006EXESUF=$EXESUF
3007EXTRA_VERSION=$extra_version
3008DEPFLAGS=$DEPFLAGS
3009CCDEP=$CCDEP
3010ASDEP=$ASDEP
3011CC_DEPFLAGS=$CC_DEPFLAGS
3012AS_DEPFLAGS=$AS_DEPFLAGS
3013HOSTCC=$host_cc
3014HOSTCFLAGS=$host_cflags
3015HOSTEXESUF=$HOSTEXESUF
3016HOSTLDFLAGS=$host_ldflags
3017HOSTLIBS=$host_libs
3018TARGET_EXEC=$target_exec
3019TARGET_PATH=$target_path
3020SDL_LIBS=$sdl_libs
3021SDL_CFLAGS=$sdl_cflags
3022LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3023EXTRALIBS=$extralibs
fd676deb 3024INSTALL=install
1afc4750
MR
3025LIBTARGET=${LIBTARGET}
3026SLIBNAME=${SLIBNAME}
3027SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3028SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3029SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3030SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3031SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3032SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3033SAMPLES=$samples
173c983b 3034EOF
5a872801 3035
719c8e00
MR
3036get_version(){
3037 name=$1
3038 file=$source_path/$2
147e7692
MR
3039 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3040 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3041 lcname=$(tolower $name)
3042 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3043 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3044}
3045
147e7692
MR
3046get_version LIBSWSCALE libswscale/swscale.h
3047get_version LIBPOSTPROC libpostproc/postprocess.h
3048get_version LIBAVCODEC libavcodec/avcodec.h
3049get_version LIBAVDEVICE libavdevice/avdevice.h
3050get_version LIBAVFORMAT libavformat/avformat.h
3051get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3052get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3053
173c983b
MR
3054enabled asmalign_pot || align_shift="1 <<"
3055
3056cat > $TMPH <<EOF
3057/* Automatically generated by configure - do not modify! */
3058#ifndef FFMPEG_CONFIG_H
3059#define FFMPEG_CONFIG_H
3060#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3061#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3062#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3063#define CC_TYPE "$cc_type"
3064#define CC_VERSION $cc_version
3065#define restrict $_restrict
3066#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3067#define EXTERN_PREFIX "${extern_prefix}"
3068#define EXTERN_ASM ${extern_prefix}
3069EOF
523ef551 3070
4ae40685
MR
3071test -n "$malloc_prefix" &&
3072 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3073
523ef551 3074if enabled small || disabled optimizations; then
9a894c48 3075 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3076 echo "#define av_always_inline" >> $TMPH
3077fi
3078
3d907e22
MR
3079print_config ARCH_ $TMPH config.mak $ARCH_LIST
3080print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3081print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3082 $CONFIG_EXTRA \
7483e694
DB
3083 $DECODER_LIST \
3084 $ENCODER_LIST \
5666fd73 3085 $HWACCEL_LIST \
7483e694
DB
3086 $PARSER_LIST \
3087 $BSF_LIST \
3088 $DEMUXER_LIST \
3089 $MUXER_LIST \
f7679c54 3090 $FILTER_LIST \
7483e694
DB
3091 $PROTOCOL_LIST \
3092 $INDEV_LIST \
3093 $OUTDEV_LIST \
8ac17293 3094
9c05103f 3095echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3096echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3097
b7860763 3098# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3099cp_if_changed $TMPH config.h
3d204385 3100
a3e02a8c
MR
3101cat > $TMPH <<EOF
3102/* Generated by ffconf */
3103#ifndef AVUTIL_AVCONFIG_H
3104#define AVUTIL_AVCONFIG_H
3105EOF
3106
3107print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3108
3109echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3110
3111cp_if_changed $TMPH libavutil/avconfig.h
3112
d0674868 3113# build pkg-config files
def4272a 3114
d0674868
DB
3115pkgconfig_generate(){
3116name=$1
b0dfd108 3117shortname=${name#lib}${build_suffix}
d0674868
DB
3118comment=$2
3119version=$3
3120libs=$4
3121requires=$5
25cd5cb3 3122cat <<EOF > $name/$name.pc
3e89171a 3123prefix=$prefix
a94e666c 3124exec_prefix=\${prefix}
f2b7382c 3125libdir=$libdir
7622778e 3126includedir=$incdir
def4272a 3127
d0674868
DB
3128Name: $name
3129Description: $comment
3130Version: $version
8cd6b388 3131Requires: $(enabled shared || echo $requires)
5dcfe9f8 3132Requires.private: $(enabled shared && echo $requires)
def4272a 3133Conflicts:
8cd6b388 3134Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3135Libs.private: $(enabled shared && echo $libs)
76a448ed 3136Cflags: -I\${includedir}
def4272a 3137EOF
25cd5cb3 3138cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3139prefix=
3140exec_prefix=
46d1ff83 3141libdir=\${pcfiledir}
1d44d365 3142includedir=${source_path}
def4272a 3143
d0674868
DB
3144Name: $name
3145Description: $comment
3146Version: $version
3147Requires: $requires
def4272a 3148Conflicts:
12701f6e 3149Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3150Cflags: -I\${includedir}
3151EOF
d0674868 3152}
def4272a 3153
e426941d 3154pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3155pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3156pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3157pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3158enabled avfilter &&
46983309 3159 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3160enabled postproc &&
e426941d 3161 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3162pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"