Avoid creating tiny (possibly only 64 bytes large) audio packets resulting in
[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 "$1" > /dev/null 2>&1 && exec "$@"
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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 "$0" "$@"
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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
246
247NOTE: Object files are built at the place where configure is launched.
248EOF
60e8bc13 249 exit 0
74c53c2d 250}
cf9d24ad 251
57bd82d4 252log(){
2270b4b2 253 echo "$@" >> $logfile
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254}
255
720c69da 256log_file(){
c8e9f801 257 log BEGIN $1
2270b4b2 258 pr -n -t $1 >> $logfile
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259 log END $1
260}
261
2ba042a7 262echolog(){
c8e9f801 263 log "$@"
57bd82d4 264 echo "$@"
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265}
266
267die(){
268 echolog "$@"
269 cat <<EOF
d326cf7f 270
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271If you think configure made a mistake, make sure you are using the latest
272version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 273ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 274EOF
e155a21a 275 if disabled logging; then
2ba042a7 276 cat <<EOF
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277Rerun configure with logging enabled (do not use --disable-logging), and
278include the log this produces with your report.
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279EOF
280 else
281cat <<EOF
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282Include the log file "$logfile" produced by configure as this will help
283solving the problem.
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284EOF
285 fi
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286 exit 1
287}
288
6c6007d6 289# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 290toupper(){
6c6007d6 291 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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292}
293
4a5444db 294tolower(){
6c6007d6 295 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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296}
297
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298c_escape(){
299 echo "$*" | sed 's/["\\]/\\\0/g'
300}
301
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302sh_quote(){
303 v=$(echo "$1" | sed "s/'/'\\\\''/g")
304 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
305 echo "$v"
306}
307
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308filter(){
309 pat=$1
310 shift
311 for v; do
98ef6079 312 eval "case $v in $pat) echo $v ;; esac"
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313 done
314}
315
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316map(){
317 m=$1
318 shift
3952471d 319 for _; do eval $m; done
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320}
321
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322set_all(){
323 value=$1
324 shift
325 for var in $*; do
326 eval $var=$value
327 done
328}
329
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330set_weak(){
331 value=$1
332 shift
333 for var; do
334 eval : \${$var:=$value}
335 done
336}
337
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338pushvar(){
339 for var in $*; do
340 eval level=\${${var}_level:=0}
341 eval ${var}_${level}="\$$var"
342 eval ${var}_level=$(($level+1))
343 done
344}
345
346popvar(){
347 for var in $*; do
348 eval level=\${${var}_level:-0}
349 test $level = 0 && continue
350 eval level=$(($level-1))
351 eval $var="\${${var}_${level}}"
352 eval ${var}_level=$level
353 eval unset ${var}_${level}
354 done
355}
356
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357enable(){
358 set_all yes $*
359}
360
361disable(){
362 set_all no $*
363}
364
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365enable_weak(){
366 set_weak yes $*
367}
368
369disable_weak(){
370 set_weak no $*
371}
372
72702705 373enable_safe(){
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374 for var; do
375 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
376 done
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377}
378
379disable_safe(){
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380 for var; do
381 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
382 done
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383}
384
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385do_enable_deep(){
386 for var; do
387 enabled $var && continue
388 eval sel="\$${var}_select"
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389 eval sgs="\$${var}_suggest"
390 pushvar var sgs
f9d328da 391 enable_deep $sel
c510c7b5
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392 popvar sgs
393 enable_deep_weak $sgs
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394 popvar var
395 done
396}
397
398enable_deep(){
399 do_enable_deep $*
400 enable $*
401}
402
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403enable_deep_weak(){
404 do_enable_deep $*
405 enable_weak $*
406}
407
57bd82d4 408enabled(){
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409 test "${1#!}" = "$1" && op== || op=!=
410 eval test "x\$${1#!}" $op "xyes"
44161118
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411}
412
37970ebf 413disabled(){
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MR
414 test "${1#!}" = "$1" && op== || op=!=
415 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
416}
417
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418enabled_all(){
419 for opt; do
420 enabled $opt || return 1
421 done
422}
423
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424disabled_all(){
425 for opt; do
426 disabled $opt || return 1
427 done
428}
429
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430enabled_any(){
431 for opt; do
432 enabled $opt && return 0
433 done
434}
435
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436disabled_any(){
437 for opt; do
438 disabled $opt && return 0
439 done
f7b230a7 440 return 1
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441}
442
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443set_default(){
444 for opt; do
88268e94 445 eval : \${$opt:=\$${opt}_default}
c9d19248
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446 done
447}
448
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449is_in(){
450 value=$1
451 shift
452 for var in $*; do
453 [ $var = $value ] && return 0
454 done
455 return 1
456}
457
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458check_deps(){
459 for cfg; do
3250003c 460 cfg="${cfg#!}"
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461 enabled ${cfg}_checking && die "Circular dependency for $cfg."
462 disabled ${cfg}_checking && continue
463 enable ${cfg}_checking
464
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465 eval dep_all="\$${cfg}_deps"
466 eval dep_any="\$${cfg}_deps_any"
7ef3425f 467 eval dep_sel="\$${cfg}_select"
c510c7b5 468 eval dep_sgs="\$${cfg}_suggest"
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469 eval dep_ifa="\$${cfg}_if"
470 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 471
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472 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
473 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
474 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 475
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476 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
477 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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478 enabled_all $dep_all || disable $cfg
479 enabled_any $dep_any || disable $cfg
7ef3425f 480 disabled_any $dep_sel && disable $cfg
799c9e9b 481
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482 if enabled $cfg; then
483 eval dep_extralibs="\$${cfg}_extralibs"
484 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 485 enable_deep $dep_sel
c510c7b5 486 enable_deep_weak $dep_sgs
4ec45764
RP
487 fi
488
799c9e9b 489 disable ${cfg}_checking
30fd06be
MR
490 done
491}
492
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493print_config(){
494 pfx=$1
495 header=$2
496 makefile=$3
497 shift 3
498 for cfg; do
5e622c40 499 ucname="$(toupper $cfg)"
44161118 500 if enabled $cfg; then
3d907e22 501 echo "#define ${pfx}${ucname} 1" >> $header
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502 echo "${pfx}${ucname}=yes" >> $makefile
503 else
b250f9c6 504 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 505 echo "!${pfx}${ucname}=yes" >> $makefile
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506 fi
507 done
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508}
509
510flags_saved(){
2270b4b2 511 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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512}
513
dcd479c0 514save_flags(){
57bd82d4 515 flags_saved && return
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516 SAVE_CFLAGS="$CFLAGS"
517 SAVE_LDFLAGS="$LDFLAGS"
518 SAVE_extralibs="$extralibs"
519}
520
521restore_flags(){
f5d28d10 522 flags_saved || return
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523 CFLAGS="$SAVE_CFLAGS"
524 LDFLAGS="$SAVE_LDFLAGS"
525 extralibs="$SAVE_extralibs"
526 unset SAVE_CFLAGS
527 unset SAVE_LDFLAGS
528 unset SAVE_extralibs
529}
530
531temp_cflags(){
532 save_flags
533 CFLAGS="$CFLAGS $*"
534}
535
536temp_ldflags(){
537 save_flags
538 LDFLAGS="$LDFLAGS $*"
539}
540
541temp_extralibs(){
542 save_flags
543 extralibs="$extralibs $*"
544}
545
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546append(){
547 var=$1
548 shift
549 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
550 eval "$var=\"\$$var $*\""
551}
552
50a334e4 553add_cppflags(){
caf458dd 554 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
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555}
556
57bd82d4 557add_cflags(){
caf458dd 558 append CFLAGS $($filter_cflags "$@")
57bd82d4
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559}
560
2f2e6c7c 561add_asflags(){
caf458dd 562 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
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563}
564
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565add_ldflags(){
566 append LDFLAGS "$@"
567}
568
569add_extralibs(){
570 append extralibs "$@"
571}
572
b0cfb663 573check_cmd(){
b3cb5d51 574 log "$@"
2270b4b2 575 "$@" >> $logfile 2>&1
b0cfb663
MR
576}
577
dcd479c0 578check_cc(){
57bd82d4 579 log check_cc "$@"
2270b4b2 580 cat > $TMPC
720c69da 581 log_file $TMPC
50a334e4 582 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
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583}
584
585check_cpp(){
586 log check_cpp "$@"
2270b4b2 587 cat > $TMPC
720c69da 588 log_file $TMPC
9e7f3277 589 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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590}
591
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592check_as(){
593 log check_as "$@"
594 cat > $TMPC
595 log_file $TMPC
2f2e6c7c 596 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
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597}
598
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599check_asm(){
600 log check_asm "$@"
601 name="$1"
3784e82e 602 code="$2"
940f335a 603 shift 2
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604 disable $name
605 check_as "$@" <<EOF && enable $name
3784e82e 606void foo(void){ __asm__ volatile($code); }
940f335a
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607EOF
608}
609
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610check_yasm(){
611 log check_yasm "$@"
612 echo "$1" > $TMPS
613 log_file $TMPS
614 shift 1
615 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
616}
617
dcd479c0 618check_ld(){
57bd82d4 619 log check_ld "$@"
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620 flags=''
621 libs=''
622 for f; do
623 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
624 done
2a194acd 625 check_cc $($filter_cflags $flags) || return
684b28e0 626 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
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627}
628
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629check_cppflags(){
630 log check_cppflags "$@"
caf458dd
MR
631 set -- $($filter_cppflags "$@")
632 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
633int x;
634EOF
635}
636
dcd479c0 637check_cflags(){
57bd82d4 638 log check_cflags "$@"
caf458dd
MR
639 set -- $($filter_cflags "$@")
640 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
641int x;
642EOF
643}
644
2ed46eea
MR
645test_ldflags(){
646 log test_ldflags "$@"
647 check_ld "$@" <<EOF
c23a0ac8 648int main(void){ return 0; }
dcd479c0
MR
649EOF
650}
651
2ed46eea
MR
652check_ldflags(){
653 log check_ldflags "$@"
654 test_ldflags "$@" && add_ldflags "$@"
655}
656
dcd479c0 657check_header(){
57bd82d4 658 log check_header "$@"
dcd479c0
MR
659 header=$1
660 shift
b77df637
MR
661 disable_safe $header
662 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
663#include <$header>
664int x;
665EOF
666}
667
668check_func(){
57bd82d4 669 log check_func "$@"
dcd479c0
MR
670 func=$1
671 shift
d8bc5f06
MR
672 disable $func
673 check_ld "$@" <<EOF && enable $func
dcd479c0 674extern int $func();
c23a0ac8 675int main(void){ $func(); }
dcd479c0
MR
676EOF
677}
678
645d2652 679check_mathfunc(){
6b73c0ae 680 log check_mathfunc "$@"
645d2652
MR
681 func=$1
682 shift
683 disable $func
684 check_ld "$@" <<EOF && enable $func
685#include <math.h>
33bd38db
MR
686float foo(float f) { return $func(f); }
687int main(void){ return 0; }
645d2652
MR
688EOF
689}
690
2446d3d6
DB
691check_func_headers(){
692 log check_func_headers "$@"
f8d7b072
MR
693 headers=$1
694 func=$2
695 shift 2
696 disable $func
697 incs=""
698 for hdr in $headers; do
699 incs="$incs
700#include <$hdr>"
701 done
cd0d9a9d 702 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 703$incs
d6773f56 704int main(int argc, char **argv){
2b2c2a81 705 return (long) $func;
f8d7b072
MR
706}
707EOF
708}
709
a5344cf7
SS
710check_cpp_condition(){
711 log check_cpp_condition "$@"
712 header=$1
713 condition=$2
f855b7b9
MR
714 shift 2
715 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
716#include <$header>
717#if !($condition)
718#error "unsatisfied condition: $condition"
719#endif
720EOF
721}
722
57bd82d4
MR
723check_lib(){
724 log check_lib "$@"
725 header="$1"
726 func="$2"
727 shift 2
fcfcde17
MR
728 temp_extralibs "$@"
729 check_header $header && check_func $func && add_extralibs "$@"
730 err=$?
731 restore_flags
732 return $err
57bd82d4
MR
733}
734
f8d7b072
MR
735check_lib2(){
736 log check_lib2 "$@"
737 headers="$1"
738 func="$2"
739 shift 2
300cde27 740 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
741}
742
dcd479c0 743check_exec(){
2270b4b2 744 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
745}
746
7dfef245 747check_exec_crash(){
5e622c40 748 code=$(cat)
7dfef245
MR
749
750 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
751 # are safe but may not be available everywhere. Thus we use
752 # raise(SIGTERM) instead. The check is run in a subshell so we
753 # can redirect the "Terminated" message from the shell. SIGBUS
754 # is not defined by standard C so it is used conditionally.
755
2270b4b2 756 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
757#include <signal.h>
758static void sighandler(int sig){
759 raise(SIGTERM);
760}
e5af4a11 761int main(void){
7dfef245
MR
762 signal(SIGILL, sighandler);
763 signal(SIGFPE, sighandler);
764 signal(SIGSEGV, sighandler);
765#ifdef SIGBUS
766 signal(SIGBUS, sighandler);
767#endif
768 { $code }
769}
770EOF
771}
772
72be9e73
DY
773check_type(){
774 log check_type "$@"
775 headers=$1
776 type=$2
777 shift 2
ae550ce9 778 disable_safe "$type"
72be9e73
DY
779 incs=""
780 for hdr in $headers; do
781 incs="$incs
782#include <$hdr>"
783 done
ae550ce9 784 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
785$incs
786$type v;
787EOF
788}
789
14d36751
MR
790check_struct(){
791 log check_type "$@"
792 headers=$1
793 struct=$2
794 member=$3
795 shift 3
796 disable_safe "${struct}_${member}"
797 incs=""
798 for hdr in $headers; do
799 incs="$incs
800#include <$hdr>"
801 done
802 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
803$incs
804const void *p = &(($struct *)0)->$member;
805EOF
806}
807
57bd82d4
MR
808require(){
809 name="$1"
810 header="$2"
811 func="$3"
812 shift 3
813 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
814}
815
f8d7b072
MR
816require2(){
817 name="$1"
818 headers="$2"
819 func="$3"
820 shift 3
821 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
822}
823
eea50282
MR
824check_foo_config(){
825 cfg=$1
826 pkg=$2
827 header=$3
828 func=$4
829 shift 4
830 disable $cfg
831 check_cmd ${pkg}-config --version
832 err=$?
833 if test "$err" = 0; then
5e622c40
DB
834 temp_cflags $(${pkg}-config --cflags)
835 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
836 check_lib "$@" $header $func && enable $cfg
837 fi
838 return $err
839}
840
f0125de9
MR
841check_host_cc(){
842 log check_host_cc "$@"
843 cat > $TMPC
844 log_file $TMPC
845 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
846}
847
848check_host_cflags(){
849 log check_host_cflags "$@"
850 check_host_cc "$@" <<EOF && append host_cflags "$@"
851int x;
852EOF
853}
854
c505dd31
MR
855apply(){
856 file=$1
857 shift
858 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
859}
860
c34681df
MR
861cp_if_changed(){
862 cmp -s "$1" "$2" &&
863 echo "$2 is unchanged" ||
864 cp -f "$1" "$2"
865}
866
dcd61286
DB
867# CONFIG_LIST contains configurable options, while HAVE_LIST is for
868# system-dependent things.
869
4a0d6686
AJ
870COMPONENT_LIST="
871 bsfs
872 decoders
873 demuxers
874 encoders
3cde40aa 875 filters
5666fd73 876 hwaccels
c552605c 877 indevs
4a0d6686 878 muxers
c552605c 879 outdevs
4a0d6686
AJ
880 parsers
881 protocols
882"
883
884CONFIG_LIST="
885 $COMPONENT_LIST
e8ed9b7a 886 aandct
5a0f7131
MR
887 avcodec
888 avdevice
f7679c54
VS
889 avfilter
890 avfilter_lavf
5a0f7131 891 avformat
c88f5d72
MR
892 avisynth
893 beos_netserver
f402916e 894 bzlib
7f3f5f46 895 dct
c73f65d9 896 doc
92c6a099 897 dxva2
27a9466b 898 fastdiv
c88f5d72
MR
899 ffmpeg
900 ffplay
336ce917 901 ffprobe
c88f5d72 902 ffserver
1848f7d9 903 fft
4f034993 904 golomb
c88f5d72 905 gpl
ecfc4f44 906 gprof
d8d0d0b2 907 gray
3abe5fbd 908 hardcoded_tables
f7b8bffe 909 libdc1394
690bfceb 910 libdirac
2eed5a46
DB
911 libfaac
912 libfaad
913 libfaadbin
c88f5d72 914 libgsm
6ebe07fb 915 libmp3lame
c88f5d72 916 libnut
0b175caa
DB
917 libopencore_amrnb
918 libopencore_amrwb
9a77d59a 919 libopenjpeg
f7cd9eed 920 libschroedinger
ae14f311 921 libspeex
150d2772 922 libtheora
c88f5d72 923 libvorbis
1cc60c47
DB
924 libx264
925 libxvid
f4d608e3 926 lpc
b781cc12 927 lsp
47a158cb 928 mdct
c88f5d72 929 memalign_hack
a8150374 930 mlib
c88f5d72
MR
931 mpegaudio_hp
932 network
3fe142e2 933 nonfree
8a3c8627 934 pic
4a24ab64 935 postproc
2b4c3615 936 powerpc_perf
68602540 937 rdft
e90f5b5a 938 runtime_cpudetect
2e35e684 939 shared
bd2216e4 940 small
6b35d421 941 sram
2e35e684 942 static
5a0f7131 943 swscale
a9ddb5b1 944 swscale_alpha
17492d5e
DB
945 vaapi
946 vdpau
9cad0e4e 947 version3
56a059ac 948 x11grab
c88f5d72 949 zlib
4a0d6686 950"
c88f5d72 951
8eee7025
DB
952THREADS_LIST='
953 beosthreads
d22e8442 954 os2threads
8eee7025
DB
955 pthreads
956 w32threads
957'
958
3f5b56e5
MR
959ARCH_LIST='
960 alpha
a2fc0f6a 961 arm
fdcd782d
MR
962 avr32
963 avr32_ap
964 avr32_uc
3f5b56e5
MR
965 bfin
966 ia64
967 m68k
968 mips
bae3abb0 969 mips64
3f5b56e5 970 parisc
79cb09b2 971 ppc
34d11b87 972 ppc64
3f5b56e5
MR
973 s390
974 sh4
975 sparc
976 sparc64
0844bae1 977 tomi
3f5b56e5
MR
978 x86
979 x86_32
980 x86_64
981'
982
983ARCH_EXT_LIST='
1ac9331a 984 altivec
3bf96eec 985 amd3dnow
a1ef9f08 986 amd3dnowext
1ac9331a 987 armv5te
edab3048 988 armv6
ab5cb084 989 armv6t2
f55b299a 990 armvfp
3f5b56e5
MR
991 iwmmxt
992 mmi
993 mmx
d7f0920b 994 mmx2
6b18d278 995 neon
799fde37 996 ppc4xx
1bb04d5a 997 sse
9eeed841 998 ssse3
bd9d34a0 999 vis
3f5b56e5
MR
1000'
1001
a3e02a8c
MR
1002HAVE_LIST_PUB='
1003 bigendian
1004'
1005
3f5b56e5
MR
1006HAVE_LIST="
1007 $ARCH_EXT_LIST
a3e02a8c 1008 $HAVE_LIST_PUB
3f5b56e5 1009 $THREADS_LIST
35fd8122 1010 alsa_asoundlib_h
3f5b56e5 1011 altivec_h
c9fdab0d 1012 arpa_inet_h
dffb41b9 1013 attribute_may_alias
e7ea5e3d 1014 attribute_packed
6bd859d6 1015 bswap
ecf97f22 1016 closesocket
1ac9331a 1017 cmov
e16e49ac 1018 conio_h
c88f5d72 1019 dcbzl
f8aa696f
DB
1020 dev_bktr_ioctl_bt848_h
1021 dev_bktr_ioctl_meteor_h
1022 dev_ic_bt8xx_h
1023 dev_video_meteor_ioctl_meteor_h
1024 dev_video_bktr_ioctl_bt848_h
18b67ae5 1025 dlfcn_h
c88f5d72 1026 dlopen
bc574408 1027 dos_paths
245626d0
DB
1028 ebp_available
1029 ebx_available
6b7c7703
VS
1030 exp2
1031 exp2f
c2a29455 1032 fast_64bit
669b5583 1033 fast_clz
7073e9fc 1034 fast_cmov
7b829d2a 1035 fast_unaligned
9d99cc5a 1036 fork
84882df6 1037 getaddrinfo
da9e86f8 1038 gethrtime
fc5607f8 1039 GetProcessMemoryInfo
4e68cb8a 1040 GetProcessTimes
66be5b45 1041 getrusage
fc5607f8 1042 struct_rusage_ru_maxrss
2e1913b1 1043 inet_aton
61d251db 1044 inline_asm
abfc8d05 1045 isatty
9f5ff83f 1046 ldbrx
0b4a1821
AS
1047 libdc1394_1
1048 libdc1394_2
a33cab3a 1049 llrint
d96cd429
MR
1050 local_aligned_16
1051 local_aligned_8
291fd18a 1052 log2
6b7c7703 1053 log2f
85dd97ad 1054 loongson
a33cab3a 1055 lrint
c88f5d72 1056 lrintf
e4673692 1057 lzo1x_999_compress
f8aa696f
DB
1058 machine_ioctl_bt848_h
1059 machine_ioctl_meteor_h
c88f5d72
MR
1060 malloc_h
1061 memalign
6ffa87d3 1062 mkstemp
b4e806b2 1063 pld
1f91cdce 1064 posix_memalign
a33cab3a
MK
1065 round
1066 roundf
c88f5d72
MR
1067 sdl
1068 sdl_video_size
b507ebd1 1069 setmode
72be9e73 1070 socklen_t
deb29777 1071 soundcard_h
f8cda19e 1072 poll_h
0104b608 1073 setrlimit
c0018613 1074 struct_addrinfo
b4d68544
MS
1075 struct_ipv6_mreq
1076 struct_sockaddr_in6
3b2372bf 1077 struct_sockaddr_sa_len
33a4dbdd 1078 struct_sockaddr_storage
b58412f1 1079 sys_mman_h
b091aa44 1080 sys_resource_h
81644c2e 1081 sys_select_h
deb29777 1082 sys_soundcard_h
1b6e8b73 1083 sys_videoio_h
d3a4b4e0 1084 ten_operands
e16e49ac 1085 termios_h
b265431e 1086 threads
7b04b8a0 1087 truncf
ce742de2 1088 vfp_args
7c5bfe7a 1089 VirtualAlloc
6ff3f3e7 1090 winsock2_h
cc078b5d 1091 xform_asm
304d586d 1092 yasm
0cb78cef 1093"
44161118 1094
b6bb00b0
MR
1095# options emitted with CONFIG_ prefix but not available on command line
1096CONFIG_EXTRA="
dc4f5a1c 1097 avutil
9cad0e4e
DB
1098 gplv3
1099 lgplv3
b6bb00b0
MR
1100"
1101
520cc7f1 1102CMDLINE_SELECT="
3f5b56e5 1103 $ARCH_EXT_LIST
520cc7f1 1104 $CONFIG_LIST
8eee7025 1105 $THREADS_LIST
c8a4ae00 1106 asm
db6107b6 1107 cross_compile
520cc7f1
MR
1108 debug
1109 extra_warnings
8c6afa4d 1110 logging
d2bbb2f7 1111 optimizations
87a0fb62 1112 stripping
7595a5e4 1113 yasm
520cc7f1 1114"
426be5dc
DB
1115
1116PATHS_LIST='
d156bede 1117 bindir
14a8acf1 1118 datadir
26759c44
MR
1119 incdir
1120 libdir
26759c44
MR
1121 mandir
1122 prefix
1123 shlibdir
426be5dc
DB
1124'
1125
1126CMDLINE_SET="
1127 $PATHS_LIST
1128 arch
313c46a6 1129 as
426be5dc
DB
1130 build_suffix
1131 cc
1132 cpu
1133 cross_prefix
50567afa 1134 dep_cc
ac63af34 1135 extra_version
9da6609f
MR
1136 host_cc
1137 host_cflags
1138 host_ldflags
1139 host_libs
82bb3329 1140 host_os
684b28e0 1141 ld
426be5dc 1142 logfile
4ae40685 1143 malloc_prefix
89641463 1144 nm
26759c44 1145 source_path
4f837398 1146 strip
c5200f17
MR
1147 sysinclude
1148 sysroot
a7ada2ba 1149 target_exec
26759c44 1150 target_os
a7ada2ba 1151 target_path
426be5dc 1152"
520cc7f1 1153
89f2932b
MR
1154CMDLINE_APPEND="
1155 extra_cflags
1156"
1157
912f3148
DB
1158# code dependency declarations
1159
9eeed841 1160# architecture extensions
808fa33c 1161
a2fc0f6a
MR
1162armv5te_deps="arm"
1163armv6_deps="arm"
ab5cb084 1164armv6t2_deps="arm"
a2fc0f6a
MR
1165armvfp_deps="arm"
1166iwmmxt_deps="arm"
808fa33c
MR
1167neon_deps="arm"
1168
e241ba14 1169mmi_deps="mips"
808fa33c
MR
1170
1171altivec_deps="ppc"
1172ppc4xx_deps="ppc"
1173
1174vis_deps="sparc"
1175
7f8c3d1f 1176x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1177amd3dnow_deps="mmx"
1178amd3dnowext_deps="amd3dnow"
9eeed841 1179mmx_deps="x86"
75aa95a6 1180mmx2_deps="mmx"
75aa95a6
DB
1181sse_deps="mmx"
1182ssse3_deps="sse"
9eeed841 1183
e939cedd 1184fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1185fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1186fast_unaligned_if_any="armv6 ppc x86"
669b5583 1187
89e053f8 1188need_memalign="altivec neon sse"
6fec122a 1189inline_asm_deps="!tms470"
89e053f8 1190
26fbcc85
MR
1191# subsystems
1192mdct_select="fft"
1193rdft_select="fft"
1194
5666fd73 1195# decoders / encoders / hardware accelerators
49351479 1196aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1197aac_encoder_select="mdct"
1198ac3_decoder_select="mdct ac3_parser"
f4d608e3 1199alac_encoder_select="lpc"
b781cc12 1200amrnb_decoder_select="lsp"
084cbbaa 1201atrac1_decoder_select="mdct"
26fbcc85
MR
1202atrac3_decoder_select="mdct"
1203binkaudio_dct_decoder_select="mdct rdft dct"
1204binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1205cavs_decoder_select="golomb"
26fbcc85 1206cook_decoder_select="mdct"
2eef7c62 1207cscd_decoder_suggest="zlib"
26fbcc85 1208dca_decoder_select="mdct"
e8ed9b7a 1209dnxhd_encoder_select="aandct"
2eef7c62 1210dxa_decoder_select="zlib"
baf91bb9 1211eac3_decoder_select="ac3_decoder"
84c04e25 1212eamad_decoder_select="aandct"
e8ed9b7a 1213eatgq_decoder_select="aandct"
d52b39c7 1214eatqi_decoder_select="aandct"
4f034993
MR
1215ffv1_decoder_select="golomb"
1216flac_decoder_select="golomb"
f4d608e3 1217flac_encoder_select="golomb lpc"
2eef7c62
AJ
1218flashsv_decoder_select="zlib"
1219flashsv_encoder_select="zlib"
4414137e 1220flv_decoder_select="h263_decoder"
4d4b4bd1 1221flv_encoder_select="h263_encoder"
e8ed9b7a 1222h261_encoder_select="aandct"
7f647ae0 1223h263_decoder_select="h263_parser"
e8ed9b7a 1224h263_encoder_select="aandct"
ff418735 1225h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1226h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1227h263i_decoder_select="h263_decoder"
fe629c2d 1228h263p_encoder_select="h263_encoder"
4f034993 1229h264_decoder_select="golomb"
92c6a099
LA
1230h264_dxva2_hwaccel_deps="dxva2api_h"
1231h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1232h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1233h264_vaapi_hwaccel_select="vaapi"
711dae77 1234h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1235h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1236imc_decoder_select="fft mdct"
4f034993
MR
1237jpegls_decoder_select="golomb"
1238jpegls_encoder_select="golomb"
e8ed9b7a 1239ljpeg_encoder_select="aandct"
4f034993 1240loco_decoder_select="golomb"
e8ed9b7a 1241mjpeg_encoder_select="aandct"
2cca233b 1242mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1243mpeg1video_encoder_select="aandct"
1244mpeg2video_encoder_select="aandct"
4414137e 1245mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1246mpeg4_encoder_select="h263_encoder"
711dae77 1247mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1248mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1249mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1250mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1251mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1252mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1253mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1254mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1255mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1256mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1257mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1258mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1259msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1260msmpeg4v1_encoder_select="h263_encoder"
4414137e 1261msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1262msmpeg4v2_encoder_select="h263_encoder"
4414137e 1263msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1264msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1265nellymoser_decoder_select="mdct"
1266nellymoser_encoder_select="mdct"
2eef7c62
AJ
1267png_decoder_select="zlib"
1268png_encoder_select="zlib"
b781cc12 1269qcelp_decoder_select="lsp"
26fbcc85 1270qdm2_decoder_select="mdct rdft"
a8beb22f 1271rv10_decoder_select="h263_decoder"
b2bf38b4 1272rv10_encoder_select="h263_encoder"
a8beb22f 1273rv20_decoder_select="h263_decoder"
b2bf38b4 1274rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1275rv30_decoder_select="golomb"
1276rv40_decoder_select="golomb"
4f034993 1277shorten_decoder_select="golomb"
b781cc12 1278sipr_decoder_select="lsp"
fa725249 1279snow_encoder_select="aandct"
4f034993
MR
1280sonic_decoder_select="golomb"
1281sonic_encoder_select="golomb"
1282sonic_ls_encoder_select="golomb"
19ecfb8a 1283svq1_encoder_select="aandct"
4f034993 1284svq3_decoder_select="golomb"
bee2eac5 1285svq3_decoder_suggest="zlib"
4eef77c1 1286theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1287tiff_decoder_suggest="zlib"
1288tiff_encoder_suggest="zlib"
aec09a00 1289truehd_decoder_select="mlp_decoder"
2eef7c62 1290tscc_decoder_select="zlib"
b781cc12 1291twinvq_decoder_select="mdct lsp"
f95bfab0 1292vc1_decoder_select="h263_decoder"
9104cd51 1293vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1294vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1295vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1296vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1297vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1298vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1299vorbis_decoder_select="mdct"
1300vorbis_encoder_select="mdct"
e82dc4c9
DB
1301vp6a_decoder_select="vp6_decoder"
1302vp6f_decoder_select="vp6_decoder"
084cbbaa 1303wmapro_decoder_select="mdct"
26fbcc85
MR
1304wmav1_decoder_select="mdct"
1305wmav1_encoder_select="mdct"
1306wmav2_decoder_select="mdct"
1307wmav2_encoder_select="mdct"
b781cc12 1308wmavoice_decoder_select="lsp"
f95bfab0 1309wmv1_decoder_select="h263_decoder"
665507aa 1310wmv1_encoder_select="h263_encoder"
f95bfab0 1311wmv2_decoder_select="h263_decoder"
1746e2a9 1312wmv2_encoder_select="h263_encoder"
015f8ee0 1313wmv3_decoder_select="vc1_decoder"
f0f86627 1314wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1315wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1316wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1317zlib_decoder_select="zlib"
1318zlib_encoder_select="zlib"
1319zmbv_decoder_select="zlib"
1320zmbv_encoder_select="zlib"
30fd06be 1321
28b80940
DB
1322# parsers
1323h264_parser_select="golomb"
1324
f1e94694
DB
1325# bitstream_filters
1326aac_adtstoasc_bsf_select="aac_parser"
1327
912f3148 1328# external libraries
1b71f045 1329libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1330libdirac_encoder_deps="libdirac"
c9171a83 1331libfaac_encoder_deps="libfaac"
69ddbd1d 1332libfaad_decoder_deps="libfaad"
4ec45764 1333libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1334libgsm_decoder_deps="libgsm"
1335libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1336libgsm_ms_decoder_deps="libgsm"
1337libgsm_ms_encoder_deps="libgsm"
1cc60c47 1338libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1339libopencore_amrnb_decoder_deps="libopencore_amrnb"
1340libopencore_amrnb_encoder_deps="libopencore_amrnb"
1341libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1342libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1343libschroedinger_decoder_deps="libschroedinger"
1344libschroedinger_encoder_deps="libschroedinger"
ae14f311 1345libspeex_decoder_deps="libspeex"
150d2772 1346libtheora_encoder_deps="libtheora"
b0caf888 1347libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1348libx264_encoder_deps="libx264"
1349libxvid_encoder_deps="libxvid"
30fd06be 1350
912f3148 1351# demuxers / muxers
03a76ba9 1352ac3_demuxer_deps="ac3_parser"
647c2356 1353asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1354avisynth_demuxer_deps="avisynth"
1355dirac_demuxer_deps="dirac_parser"
5b423887 1356eac3_demuxer_select="ac3_parser"
647c2356 1357ipod_muxer_select="mov_muxer"
4e622dea
SS
1358libnut_demuxer_deps="libnut"
1359libnut_muxer_deps="libnut"
647c2356 1360matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1361matroska_demuxer_suggest="zlib bzlib"
1362mov_demuxer_suggest="zlib"
1363mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1364mp4_muxer_select="mov_muxer"
1365mpegtsraw_demuxer_select="mpegts_demuxer"
1366mxf_d10_muxer_select="mxf_muxer"
24ca518b 1367ogg_demuxer_select="golomb"
647c2356 1368psp_muxer_select="mov_muxer"
4e622dea 1369rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1370rtsp_muxer_deps="sdp_demuxer"
1371rtsp_muxer_select="rtp_muxer"
4e622dea 1372sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
f1e94694 1373spdif_muxer_select="aac_parser"
647c2356
DB
1374tg2_muxer_select="mov_muxer"
1375tgp_muxer_select="mov_muxer"
6bdaa5f4 1376w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1377
1378# indevs / outdevs
38e54a75
SS
1379alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1380alsa_indev_extralibs="-lasound"
1381alsa_outdev_deps="alsa_asoundlib_h"
1382alsa_outdev_extralibs="-lasound"
1383audio_beos_indev_deps="audio_beos"
1384audio_beos_indev_extralibs="-lmedia -lbe"
1385audio_beos_outdev_deps="audio_beos"
1386audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1387bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1388dv1394_indev_deps="dv1394 dv_demuxer"
1389jack_indev_deps="jack_jack_h"
1390jack_indev_extralibs="-ljack"
1391libdc1394_indev_deps="libdc1394"
38e54a75
SS
1392oss_indev_deps_any="soundcard_h sys_soundcard_h"
1393oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1394v4l_indev_deps="linux_videodev_h"
1395v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1396vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1397vfwcap_indev_extralibs="-lavicap32"
38e54a75 1398x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1399x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1400
912f3148 1401# protocols
3fff6382 1402gopher_protocol_deps="network"
c08fb000 1403http_protocol_deps="network"
279a0c97 1404http_protocol_select="tcp_protocol"
cbf29889 1405rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1406rtp_protocol_deps="udp_protocol"
1407tcp_protocol_deps="network"
1408udp_protocol_deps="network"
1409
f7679c54 1410# filters
81124ba0 1411movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1412avfilter_lavf_deps="avformat"
1413
1414# libraries
1415avdevice_deps="avcodec avformat"
1416avformat_deps="avcodec"
f7679c54 1417
912f3148 1418# programs
5a0f7131
MR
1419ffmpeg_deps="avcodec avformat swscale"
1420ffplay_deps="avcodec avformat swscale sdl"
43689902 1421ffplay_select="rdft"
336ce917 1422ffprobe_deps="avcodec avformat"
5a0f7131 1423ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1424ffserver_extralibs='$ldl'
a2830dca 1425
c73f65d9 1426doc_deps="texi2html"
912f3148 1427
de6d9b64 1428# default parameters
8a608357 1429
2ba042a7 1430logfile="config.err"
8a608357
MR
1431
1432# installation paths
c9d19248
MR
1433prefix_default="/usr/local"
1434bindir_default='${prefix}/bin'
14a8acf1 1435datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1436incdir_default='${prefix}/include'
1437libdir_default='${prefix}/lib'
1438mandir_default='${prefix}/share/man'
1439shlibdir_default="$libdir_default"
8a608357
MR
1440
1441# toolchain
11e6d03a 1442ar="ar"
13c7df3d 1443cc_default="gcc"
a3d7c197 1444cc_version=\"unknown\"
9da6609f 1445host_cc_default="gcc"
11e6d03a 1446ln_s="ln -sf"
89641463 1447nm_default="nm"
11e6d03a 1448objformat="elf"
be7109c1 1449ranlib="ranlib"
4f837398 1450strip_default="strip"
11e6d03a 1451yasmexe="yasm"
8a608357 1452
8182dc34
MR
1453nm_opts='-g'
1454
8a608357 1455# machine
8d4c00ed 1456arch_default=$(uname -m)
38d0a8aa 1457cpu="generic"
8a608357 1458
8a608357 1459# OS
8d4c00ed
MR
1460target_os_default=$(tolower $(uname -s))
1461host_os=$target_os_default
8a608357 1462
8a608357 1463# configurable options
5a0f7131
MR
1464enable avcodec
1465enable avdevice
1466enable avformat
dc4f5a1c 1467enable avutil
c8a4ae00 1468enable asm
497237c7 1469enable debug
c73f65d9 1470enable doc
aa033b1e 1471enable fastdiv
497237c7
RP
1472enable ffmpeg
1473enable ffplay
336ce917 1474enable ffprobe
497237c7 1475enable ffserver
497237c7
RP
1476enable mpegaudio_hp
1477enable network
8400d6b8 1478enable optimizations
497237c7 1479enable protocols
530dc538 1480enable static
87a0fb62 1481enable stripping
5a0f7131 1482enable swscale
a9ddb5b1 1483enable swscale_alpha
8a608357 1484
8a608357 1485# build settings
9987769a 1486SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1487FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1488LIBPREF="lib"
1489LIBSUF=".a"
c5f14466
RP
1490FULLNAME='$(NAME)$(BUILDSUF)'
1491LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1492SLIBPREF="lib"
1493SLIBSUF=".so"
c5f14466 1494SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1495SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1496SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1497LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1498
7e6c86e6
MR
1499CC_O='-o $@'
1500
f0125de9 1501host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1502host_libs='-lm'
1503
9b861379 1504target_path='$(CURDIR)'
a7ada2ba 1505
0d7dca36
DB
1506# gcc stupidly only outputs the basename of targets with -MM, but we need the
1507# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1508DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1509DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1510
c597172e 1511# find source path
5e622c40 1512source_path="$(dirname "$0")"
497237c7 1513enable source_path_used
24524f36 1514if test -f configure; then
5e622c40 1515 source_path="$(pwd)"
497237c7 1516 disable source_path_used
c597172e 1517else
5e622c40 1518 source_path="$(cd "$source_path"; pwd)"
c597172e 1519 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1520 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1521 test -e "$source_path/config.h" &&
1522 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1523fi
1524
13cbe2c0 1525for v in "$@"; do
b04251c5
MR
1526 r=${v#*=}
1527 l=${v%"$r"}
1528 r=$(sh_quote "$r")
13cbe2c0
MR
1529 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1530done
c597172e 1531
73ef8980
MR
1532find_things(){
1533 thing=$1
1534 pattern=$2
1535 file=$source_path/$3
932ccf39 1536 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1537}
1538
1539ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1540DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1541HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1542PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1543BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1544MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1545DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1546OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1547INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1548PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1549FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1550
7483e694
DB
1551enable $ARCH_EXT_LIST \
1552 $DECODER_LIST \
1553 $ENCODER_LIST \
5666fd73 1554 $HWACCEL_LIST \
7483e694
DB
1555 $PARSER_LIST \
1556 $BSF_LIST \
1557 $DEMUXER_LIST \
1558 $MUXER_LIST \
f7679c54 1559 $FILTER_LIST \
7483e694
DB
1560 $PROTOCOL_LIST \
1561 $INDEV_LIST \
1562 $OUTDEV_LIST \
c597172e
MR
1563
1564die_unknown(){
1565 echo "Unknown option \"$1\"."
1566 echo "See $0 --help for available options."
1567 exit 1
1568}
1569
794f8e97 1570show_list() {
bf0c4afa
RP
1571 suffix=_$1
1572 shift
2b444ea7 1573 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1574 exit 0
1575}
1576
c597172e 1577for opt do
7483e694
DB
1578 optval="${opt#*=}"
1579 case "$opt" in
0f010b2f 1580 --extra-ldflags=*) add_ldflags $optval
7483e694 1581 ;;
0f010b2f 1582 --extra-libs=*) add_extralibs $optval
7483e694 1583 ;;
8fb1cb58 1584 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1585 ;;
40bcf4c7
BL
1586 --enable-debug=*) debuglevel="$optval"
1587 ;;
36e2dea0
MR
1588 --disable-everything)
1589 map 'eval disable \${$(toupper ${_%s})_LIST}' $COMPONENT_LIST
1590 ;;
7483e694 1591 --enable-*=*|--disable-*=*)
8b93ddc3 1592 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1593 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1594 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1595 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1596 $action $(filter "$name" $list)
7483e694
DB
1597 ;;
1598 --enable-?*|--disable-?*)
5e622c40 1599 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1600 if is_in $option $COMPONENT_LIST; then
fed5d54b 1601 test $action = disable && action=unset
e3773a55
MR
1602 eval $action \$$(toupper ${option%s})_LIST
1603 elif is_in $option $CMDLINE_SELECT; then
1604 $action $option
1605 else
1606 die_unknown $opt
1607 fi
7483e694
DB
1608 ;;
1609 --list-*)
1610 NAME="${opt#--list-}"
1611 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1612 NAME=${NAME%s}
1613 eval show_list $NAME \$$(toupper $NAME)_LIST
1614 ;;
1615 --help|-h) show_help
1616 ;;
1617 *)
884a36a7 1618 optname="${opt%%=*}"
26759c44
MR
1619 optname="${optname#--}"
1620 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1621 if is_in $optname $CMDLINE_SET; then
1622 eval $optname='$optval'
1623 elif is_in $optname $CMDLINE_APPEND; then
1624 append $optname "$optval"
1625 else
1626 die_unknown $opt
1627 fi
7483e694
DB
1628 ;;
1629 esac
c597172e
MR
1630done
1631
bcea99bb
MR
1632disabled logging && logfile=/dev/null
1633
13cbe2c0 1634echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1635set >> $logfile
1636
9da6609f
MR
1637test -n "$cross_prefix" && enable cross_compile
1638
8d4c00ed
MR
1639if enabled cross_compile; then
1640 test -n "$arch" && test -n "$target_os" ||
1641 die "Must specify target arch and OS when cross-compiling"
1642fi
1643
1644set_default arch target_os
1645
adb2b908 1646ar="${cross_prefix}${ar}"
11e6d03a 1647cc_default="${cross_prefix}${cc_default}"
20e0ed95 1648nm_default="${cross_prefix}${nm_default}"
adb2b908 1649ranlib="${cross_prefix}${ranlib}"
4f837398 1650strip_default="${cross_prefix}${strip_default}"
adb2b908 1651
c5200f17
MR
1652sysinclude_default="${sysroot}/usr/include"
1653
4f837398 1654set_default cc nm strip sysinclude
9da6609f
MR
1655enabled cross_compile || host_cc_default=$cc
1656set_default host_cc
13c7df3d 1657
82bb3329
MR
1658exesuf() {
1659 case $1 in
1660 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1661 esac
1662}
1663
1664EXESUF=$(exesuf $target_os)
1665HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1666
e4e69e0b 1667# set temporary file name
a49d42c2 1668: ${TMPDIR:=$TEMPDIR}
c51fafa1 1669: ${TMPDIR:=$TMP}
a49d42c2 1670: ${TMPDIR:=/tmp}
e4e69e0b 1671
54460a83
MR
1672if ! check_cmd type mktemp; then
1673 # simple replacement for missing mktemp
1674 # NOT SAFE FOR GENERAL USE
1675 mktemp(){
1676 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1677 }
1678fi
1679
1680tmpfile(){
1681 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1682 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1683 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1684 append TMPFILES $tmp
1685 eval $1=$tmp
1686}
1687
1688trap 'rm -f -- $TMPFILES' EXIT
1689trap exit HUP INT TERM
1690
1691tmpfile TMPC .c
1692tmpfile TMPE $EXESUF
1693tmpfile TMPH .h
1694tmpfile TMPO .o
1695tmpfile TMPS .S
a482e61b 1696tmpfile TMPV .ver
54460a83
MR
1697tmpfile TMPSH .sh
1698
1699unset -f mktemp
e4e69e0b 1700
993f2d0f
MR
1701# make sure we can execute files in $TMPDIR
1702cat > $TMPSH 2>> $logfile <<EOF
1703#! /bin/sh
1704EOF
1705chmod +x $TMPSH >> $logfile 2>&1
1706if ! $TMPSH >> $logfile 2>&1; then
1707 cat <<EOF
1708Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1709variable to another directory and make sure that it is not mounted noexec.
1710EOF
1711 die "Sanity test failed."
1712fi
993f2d0f 1713
19b4c628
MR
1714filter_cflags=echo
1715filter_cppflags=echo
1716filter_asflags=echo
1717
8f0c157a 1718if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1719 cc_type=gcc
a3d7c197 1720 cc_version=__VERSION__
aef6bd1b
MR
1721 if ! $cc -dumpversion | grep -q '^2\.'; then
1722 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1723 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1724 fi
14ca9cd0
MR
1725 speed_cflags='-O3'
1726 size_cflags='-Os'
629687f6
MR
1727elif $cc --version 2>/dev/null | grep -q Intel; then
1728 cc_type=icc
6e3fa35d 1729 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1730 CC_DEPFLAGS='-MMD'
1731 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1732 speed_cflags='-O3'
1733 size_cflags='-Os'
629687f6
MR
1734elif $cc -v 2>&1 | grep -q xlc; then
1735 cc_type=xlc
6e3fa35d 1736 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1737 speed_cflags='-O5'
1738 size_cflags='-O5 -qcompact'
df442a8d
MR
1739elif $cc -V 2>/dev/null | grep -q Compaq; then
1740 cc_type=ccc
6e3fa35d 1741 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1742 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1743 debuglevel=3
df442a8d 1744 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1745 speed_cflags='-fast'
1746 size_cflags='-O1'
6a0d5493 1747elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1748 test -d "$sysroot" || die "No valid sysroot specified."
1749 cc_type=armcc
6e3fa35d 1750 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1751 armcc_conf="$PWD/armcc.conf"
1752 $cc --arm_linux_configure \
1753 --arm_linux_config_file="$armcc_conf" \
1754 --configure_sysroot="$sysroot" \
1755 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1756 die "Error creating armcc configuration file."
1757 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1758 as_default="${cross_prefix}gcc"
07dec06e
MR
1759 CC_DEPFLAGS='-MMD'
1760 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1761 speed_cflags='-O3'
1762 size_cflags='-Os'
6fec122a
MR
1763elif $cc -version 2>/dev/null | grep -q TMS470; then
1764 cc_type=tms470
6e3fa35d 1765 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1766 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1767 CC_O='-fr=$(@D)'
1768 as_default="${cross_prefix}gcc"
1769 ld_default="${cross_prefix}gcc"
6fec122a
MR
1770 TMPO=$(basename $TMPC .c).o
1771 append TMPFILES $TMPO
1772 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1773 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1774 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1775 speed_cflags='-O3 -mf=5'
1776 size_cflags='-O3 -mf=2'
6fec122a
MR
1777 filter_cflags=tms470_flags
1778 tms470_flags(){
1779 for flag; do
1780 case $flag in
1781 -march=*|-mcpu=*)
1782 case "${flag#*=}" in
1783 armv7-a|cortex-a*) echo -mv=7a8 ;;
1784 armv7-r|cortex-r*) echo -mv=7r4 ;;
1785 armv7-m|cortex-m*) echo -mv=7m3 ;;
1786 armv6*|arm11*) echo -mv=6 ;;
1787 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1788 echo -mv=5e ;;
1789 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1790 esac
1791 ;;
1792 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1793 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1794 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1795 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1796 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1797 -g) echo -g -mn ;;
587d24ff 1798 -pds=*) echo $flag ;;
6fec122a
MR
1799 esac
1800 done
1801 }
06da6943
DC
1802elif $cc -v 2>&1 | grep -q clang; then
1803 cc_type=clang
1804 cc_version=__VERSION__
1805 CC_DEPFLAGS='-MMD'
1806 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1807 speed_cflags='-O3'
1808 size_cflags='-Os'
2a472e9c
MK
1809elif $cc -V 2>&1 | grep -q Sun; then
1810 cc_type=suncc
1811 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1812 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1813 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1814 speed_cflags='-O5'
1815 size_cflags='-O5 -xspace'
03279bbe
MK
1816 filter_cflags=suncc_flags
1817 suncc_flags(){
1818 for flag; do
1819 case $flag in
1820 -march=*|-mcpu=*)
1821 case "${flag#*=}" in
1822 native) echo -xtarget=native ;;
1823 v9) echo -xarch=sparc ;;
1824 ultrasparc) echo -xarch=sparcvis ;;
1825 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1826 i586|pentium) echo -xchip=pentium ;;
1827 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1828 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1829 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1830 pentium4*) echo -xtarget=pentium4 ;;
1831 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1832 *-sse3) echo -xarch=sse3 ;;
1833 core2) echo -xarch=ssse3 -xchip=core2 ;;
1834 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1835 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1836 k8|opteron|athlon64|athlon-fx)
1837 echo -xarch=sse2a ;;
1838 athlon*) echo -xarch=pentium_proa ;;
1839 esac
1840 ;;
1841 -std=c99) echo -xc99 ;;
1842 -fomit-frame-pointer) echo -xregs=frameptr ;;
1843 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1844 -W*,*) echo $flag ;;
1845 -f*-*|-W*) ;;
1846 *) echo $flag ;;
1847 esac
1848 done
1849 }
629687f6
MR
1850fi
1851
1852test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1853
75bafbac 1854: ${as_default:=$cc}
50567afa 1855: ${dep_cc_default:=$cc}
684b28e0 1856: ${ld_default:=$cc}
50567afa 1857set_default as dep_cc ld
75800dce 1858
07dec06e
MR
1859test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1860test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1861
7f32f40c 1862add_cflags $extra_cflags
2f2e6c7c 1863add_asflags $extra_cflags
7f32f40c 1864
154d432c
MR
1865if test -n "$sysroot"; then
1866 case "$cc_type" in
1867 gcc)
467256f2 1868 add_cppflags --sysroot="$sysroot"
154d432c
MR
1869 add_ldflags --sysroot="$sysroot"
1870 ;;
6fec122a
MR
1871 tms470)
1872 add_cppflags -I"$sysinclude"
1873 add_ldflags --sysroot="$sysroot"
1874 ;;
06da6943 1875 clang)
4def700e
DC
1876 add_cppflags -isysroot "$sysroot"
1877 add_ldflags -isysroot "$sysroot"
06da6943 1878 ;;
154d432c
MR
1879 esac
1880fi
1881
d22c13a8
MR
1882if test "$cpu" = host; then
1883 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1884
1885 case "$cc_type" in
1886 gcc)
1887 check_native(){
1888 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1889 sed -n "/$1=/{
1890 s/.*$1=\\([^ ]*\\).*/\\1/
1891 p
1892 q
1893 }" $TMPE
d22c13a8
MR
1894 }
1895 cpu=$(check_native -march || check_native -mcpu)
1896 ;;
1897 esac
1898
1899 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1900fi
1901
e939cedd
MR
1902# Deal with common $arch aliases
1903case "$arch" in
1904 arm*)
1905 arch="arm"
1906 ;;
1907 mips|mipsel|IP*)
1908 arch="mips"
1909 ;;
47b1860e 1910 mips64*)
e939cedd
MR
1911 arch="mips"
1912 subarch="mips64"
1913 ;;
1914 parisc|hppa)
1915 arch="parisc"
1916 ;;
1917 parisc64|hppa64)
1918 arch="parisc"
1919 subarch="parisc64"
1920 ;;
1921 "Power Macintosh"|ppc|powerpc)
1922 arch="ppc"
1923 ;;
47b1860e 1924 ppc64|powerpc64)
e939cedd
MR
1925 arch="ppc"
1926 subarch="ppc64"
1927 ;;
1928 s390|s390x)
1929 arch="s390"
1930 ;;
1931 sh4|sh)
1932 arch="sh4"
1933 ;;
1934 sun4u|sparc64)
1935 arch="sparc"
1936 subarch="sparc64"
1937 ;;
1938 i[3-6]86|i86pc|BePC|x86_64|amd64)
1939 arch="x86"
1940 ;;
1941esac
1942
1943is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1944enable $arch
e939cedd 1945
df5cdc24 1946# Add processor-specific flags
5d54c126
MR
1947if test "$cpu" = generic; then
1948 : do nothing
1949elif enabled ppc; then
343aef9b 1950
56348891
MR
1951 case $(tolower $cpu) in
1952 601|ppc601|powerpc601)
9dbd5c3d 1953 cpuflags="-mcpu=601"
64ad53ff 1954 disable altivec
9dbd5c3d 1955 ;;
56348891 1956 603*|ppc603*|powerpc603*)
9dbd5c3d 1957 cpuflags="-mcpu=603"
64ad53ff 1958 disable altivec
9dbd5c3d 1959 ;;
56348891 1960 604*|ppc604*|powerpc604*)
9dbd5c3d 1961 cpuflags="-mcpu=604"
64ad53ff 1962 disable altivec
9dbd5c3d 1963 ;;
56348891 1964 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1965 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1966 disable altivec
9dbd5c3d 1967 ;;
56348891 1968 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1969 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1970 ;;
56348891 1971 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1972 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1973 ;;
56348891 1974 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1975 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1976 ;;
56348891 1977 cell)
9dbd5c3d
MR
1978 cpuflags="-mcpu=cell"
1979 enable ldbrx
1980 ;;
7b0b81a1
AL
1981 e500v2)
1982 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1983 disable altivec
1984 ;;
1985 e500)
1986 cpuflags="-mcpu=8540 -mhard-float"
1987 disable altivec
1988 ;;
9dbd5c3d 1989 esac
343aef9b
MR
1990
1991elif enabled x86; then
1992
9dbd5c3d
MR
1993 case $cpu in
1994 i[345]86|pentium)
1995 cpuflags="-march=$cpu"
1996 disable mmx
1997 ;;
1998 # targets that do NOT support conditional mov (cmov)
1999 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2000 cpuflags="-march=$cpu"
2001 disable cmov
2002 ;;
2003 # targets that do support conditional mov (cmov)
2004 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2005 cpuflags="-march=$cpu"
2006 enable cmov
2007 enable fast_cmov
2008 ;;
2009 # targets that do support conditional mov but on which it's slow
2010 pentium4|pentium4m|prescott|nocona)
2011 cpuflags="-march=$cpu"
2012 enable cmov
2013 disable fast_cmov
2014 ;;
2015 esac
343aef9b
MR
2016
2017elif enabled sparc; then
2018
9dbd5c3d
MR
2019 case $cpu in
2020 sparc64)
2021 cpuflags="-mcpu=v9"
2022 ;;
2023 esac
343aef9b
MR
2024
2025elif enabled arm; then
2026
34ba23c9
MR
2027 case $cpu in
2028 armv*)
2029 cpuflags="-march=$cpu"
2030 ;;
2031 *)
2032 cpuflags="-mcpu=$cpu"
2033 ;;
2034 esac
343aef9b
MR
2035
2036elif enabled alpha; then
2037
34ba23c9 2038 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2039
2040elif enabled bfin; then
2041
34ba23c9 2042 cpuflags="-mcpu=$cpu"
343aef9b
MR
2043
2044elif enabled mips; then
2045
34ba23c9 2046 cpuflags="-march=$cpu"
343aef9b
MR
2047
2048elif enabled avr32; then
2049
9dbd5c3d
MR
2050 case $cpu in
2051 ap7[02]0[0-2])
2052 subarch="avr32_ap"
2053 cpuflags="-mpart=$cpu"
2054 ;;
2055 ap)
2056 subarch="avr32_ap"
2057 cpuflags="-march=$cpu"
2058 ;;
2059 uc3[ab]*)
2060 subarch="avr32_uc"
2061 cpuflags="-mcpu=$cpu"
2062 ;;
2063 uc)
2064 subarch="avr32_uc"
2065 cpuflags="-march=$cpu"
2066 ;;
2067 esac
df5cdc24 2068
343aef9b
MR
2069fi
2070
df5cdc24
MR
2071add_cflags $cpuflags
2072add_asflags $cpuflags
2073
993f2d0f
MR
2074# compiler sanity check
2075check_exec <<EOF
2076int main(void){ return 0; }
2077EOF
2078if test "$?" != 0; then
2079 echo "$cc is unable to create an executable file."
2080 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2081 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2082 echo "Only do this if you know what cross compiling means."
2083 fi
2084 die "C compiler test failed."
2085fi
2086
38a9c529 2087add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2088check_cflags -std=c99
50a334e4 2089check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2090#include <stdlib.h>
2091EOF
50a334e4 2092check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2093#include <stdlib.h>
2094EOF
e9b9a2f8 2095
f0125de9
MR
2096check_host_cflags -std=c99
2097
b24dbcbd 2098case "$arch" in
e939cedd 2099 alpha|ia64|mips|parisc|sparc)
8a3c8627 2100 spic=$shared
b24dbcbd 2101 ;;
e939cedd 2102 x86)
cfdb6148 2103 subarch="x86_32"
e939cedd 2104 check_cc <<EOF && subarch="x86_64"
58b3536d 2105 int test[(int)sizeof(char*) - 7];
cfdb6148 2106EOF
de27f4d9 2107 if test "$subarch" = "x86_64"; then
e939cedd 2108 spic=$shared
de27f4d9 2109 fi
b24dbcbd 2110 ;;
b24dbcbd
RP
2111esac
2112
343aef9b 2113enable $subarch
8a3c8627 2114enabled spic && enable pic
5755bc88 2115check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2116
7483e694 2117# OS specific
4f854758 2118case $target_os in
7483e694 2119 beos|haiku|zeta)
c9d19248 2120 prefix_default="$HOME/config"
7483e694 2121 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2122 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2123 case "$gcc_version" in
2124 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2125 disable mmx
2126 ;;
2127 *20010315*) echo "BeBits gcc"
0f010b2f 2128 add_cflags -fno-expensive-optimizations
7483e694
DB
2129 ;;
2130 esac
7483e694
DB
2131 SHFLAGS=-nostart
2132 # enable BeOS things
2133 enable audio_beos
2134 # no need for libm, but the inet stuff
2135 # Check for BONE
2136 # XXX: actually should check for NOT net_server
78fe7631 2137 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2138 network_extralibs="-lbind -lsocket"
2139 else
2140 enable beos_netserver
2141 network_extralibs="-lnet"
2142 fi ;;
2143 sunos)
2144 FFSERVERLDFLAGS=""
9987769a 2145 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2146 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2147 network_extralibs="-lsocket -lnsl"
50a334e4 2148 add_cppflags -D__EXTENSIONS__
8182dc34 2149 nm_opts='-P -g'
7483e694
DB
2150 ;;
2151 netbsd)
07a8eef6
MR
2152 oss_indev_extralibs="-lossaudio"
2153 oss_outdev_extralibs="-lossaudio"
2138dc99 2154 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2155 ;;
2156 openbsd)
89e053f8 2157 enable malloc_aligned
7c4a001a
MR
2158 # On OpenBSD 4.5. the compiler does not use PIC unless
2159 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2160 # however the generated executable will not do anything
2161 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2162 # Thus explicitly enable PIC here.
cd78208b 2163 enable pic
7483e694 2164 SHFLAGS='-shared'
07a8eef6
MR
2165 oss_indev_extralibs="-lossaudio"
2166 oss_outdev_extralibs="-lossaudio"
7483e694 2167 ;;
90b4f091 2168 freebsd|dragonfly)
89e053f8 2169 enable malloc_aligned
7483e694
DB
2170 ;;
2171 bsd/os)
2172 osextralibs="-lpoll -lgnugetopt"
2173 strip="strip -d"
2174 ;;
2175 darwin)
89e053f8 2176 enable malloc_aligned
0138c54e 2177 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2178 strip="strip -x"
2179 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2180 SLIBSUF=".dylib"
2181 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2182 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2183 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2184 objformat="macho"
1b0f6fb8 2185 enabled x86_64 && objformat="macho64"
8dfa86f7 2186 enabled_any pic shared ||
2704bd1a 2187 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2188 ;;
2189 mingw32*)
9d3f4f50 2190 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2191 disable network
2192 else
2193 target_os=mingw32
2194 fi
dcc01c06 2195 LIBTARGET=i386
1fc9fb8a 2196 if enabled x86_64; then
89e053f8 2197 enable malloc_aligned
dcc01c06 2198 LIBTARGET=x64
336cc1b0
MS
2199 elif enabled arm; then
2200 LIBTARGET=arm
dcc01c06 2201 fi
fbd971a4 2202 shlibdir_default="$bindir_default"
7483e694
DB
2203 disable ffserver
2204 SLIBPREF=""
2205 SLIBSUF=".dll"
7483e694
DB
2206 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2207 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2208 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2209 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2210 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2211 install -d "$(LIBDIR)"; \
2212 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2213 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2214 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2215 objformat="win32"
bc574408 2216 enable dos_paths
1894e741 2217 check_cflags -fno-common
b1549d61 2218 if ! enabled x86_64; then
f7ad5aa2
RP
2219 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2220 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2221 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2222 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2223 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2224 fi
7483e694
DB
2225 ;;
2226 cygwin*)
4f854758 2227 target_os=cygwin
fbd971a4 2228 shlibdir_default="$bindir_default"
7483e694
DB
2229 SLIBPREF="cyg"
2230 SLIBSUF=".dll"
2231 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2232 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2233 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2234 objformat="win32"
bc574408 2235 enable dos_paths
1894e741 2236 check_cflags -fno-common
7483e694 2237 ;;
4f365f37 2238 *-dos|freedos|opendos)
fdf11906 2239 disable ffplay ffserver
4f365f37
MK
2240 disable $INDEV_LIST $OUTDEV_LIST
2241 network_extralibs="-lsocket"
ff1c015d 2242 objformat="coff"
bc574408 2243 enable dos_paths
4f365f37 2244 ;;
7483e694 2245 linux)
7483e694
DB
2246 enable dv1394
2247 ;;
2248 irix*)
4f854758 2249 target_os=irix
7483e694
DB
2250 ranlib="echo ignoring ranlib"
2251 ;;
d22e8442 2252 os/2*)
d22e8442
DY
2253 strip="lxlite"
2254 ln_s="cp -f"
d22e8442 2255 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2256 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2257 FFSERVERLDFLAGS=""
287d3b13 2258 LIBSUF="_s.a"
d22e8442
DY
2259 SLIBPREF=""
2260 SLIBSUF=".dll"
2261 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2262 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2263 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2264 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2265 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2266 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2267 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2268 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2269 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2270 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2271 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2272 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2273 enable dos_paths
d22e8442 2274 ;;
83993c1c
AM
2275 gnu/kfreebsd)
2276 ;;
34e82167 2277 gnu)
34e82167 2278 ;;
614d8911
MR
2279 none)
2280 ;;
7483e694 2281 *)
4f924f9a 2282 die "Unknown OS '$target_os'."
7483e694
DB
2283 ;;
2284esac
2285
c9d19248
MR
2286set_default $PATHS_LIST
2287
c597172e 2288add_extralibs $osextralibs
de6d9b64 2289
28d8e661
DB
2290# Combine FFLDFLAGS and the LDFLAGS environment variable.
2291LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2292
320d060a 2293# we need to build at least one lib type
93b3c083 2294if ! enabled_any static shared; then
320d060a
DB
2295 cat <<EOF
2296At least one library type must be built.
2297Specify --enable-static to build the static libraries or --enable-shared to
2298build the shared libraries as well. To only build the shared libraries specify
2299--disable-static in addition to --enable-shared.
2300EOF
2301 exit 1;
2302fi
2303
abc4e572 2304disabled static && LIBNAME=""
2a320695 2305
a2234ceb
RP
2306if enabled_any libfaad libfaadbin ; then
2307 if check_header faad.h; then
295b8c70 2308 check_cc <<EOF
a2234ceb
RP
2309#include <faad.h>
2310#ifndef FAAD2_VERSION
2311ok faad1
2312#endif
db817cf3 2313int main(void) { return 0; }
a2234ceb
RP
2314EOF
2315 test $? = 0 && enable libfaad2
2316 else
ff3dac65 2317 die "FAAD test failed."
a2234ceb
RP
2318 fi
2319fi
2320
2321
2184c6f7 2322die_license_disabled() {
4c27207c 2323 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2324}
2325
2326die_license_disabled gpl libfaad2
2327die_license_disabled gpl libx264
2328die_license_disabled gpl libxvid
2329die_license_disabled gpl postproc
2330die_license_disabled gpl x11grab
2331
2f7ae63b 2332die_license_disabled nonfree libfaac
b2e3c528 2333
0b175caa
DB
2334die_license_disabled version3 libopencore_amrnb
2335die_license_disabled version3 libopencore_amrwb
2336
9cad0e4e 2337enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2338
9eeed841 2339check_deps $ARCH_EXT_LIST
0f3cb305 2340
40617a6d 2341disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2342
e276d9e8
MR
2343enable_pic() {
2344 enable pic
bce7b696
MR
2345 add_cppflags -DPIC
2346 add_cflags -fPIC
2347 add_asflags -fPIC
e276d9e8
MR
2348}
2349
2350enabled pic && enable_pic
bce7b696 2351
b4d96ba2
MR
2352check_cc <<EOF || die "Symbol mangling check failed."
2353int ff_extern;
2354EOF
8182dc34 2355sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2356extern_prefix=${sym%%ff_extern*}
2357
f65883c8
MR
2358check_cc <<EOF && enable inline_asm
2359void foo(void) { __asm__ volatile ("" ::); }
2360EOF
61d251db 2361
df5e3978
MR
2362_restrict=
2363for restrict_keyword in restrict __restrict__ __restrict; do
2364 check_cc <<EOF && _restrict=$restrict_keyword && break
2365void foo(char * $restrict_keyword p);
2366EOF
2367done
2368
2369check_cc <<EOF && enable attribute_packed
2370struct { int x; } __attribute__((packed)) x;
2371EOF
2372
dffb41b9
MR
2373check_cc <<EOF && enable attribute_may_alias
2374union { int x; } __attribute__((may_alias)) x;
2375EOF
2376
df5e3978
MR
2377check_cc <<EOF || die "endian test failed"
2378unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2379EOF
48fc536a 2380od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2381
e939cedd
MR
2382if enabled alpha; then
2383
2384 check_cflags -mieee
2385
2386elif enabled arm; then
e45391bb 2387
50fa82e6
MR
2388 check_cflags -marm
2389
fa0912fe
MR
2390 check_ld <<EOF && enable vfp_args
2391__asm__ (".eabi_attribute 28, 1");
2392int main(void) { return 0; }
2393EOF
2394
2395 # We have to check if pld is a nop and disable it.
2396 check_asm pld '"pld [r0]"'
2397
2398 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2399 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2400 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2401 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2402 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2403 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2404
e276d9e8
MR
2405 enabled_all armv6t2 shared !pic && enable_pic
2406
e939cedd
MR
2407elif enabled ia64; then
2408
2409 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2410 enabled shared && enable_weak hardcoded_tables
2411
fa0912fe 2412elif enabled mips; then
e45391bb 2413
fa0912fe
MR
2414 check_asm loongson '"dmult.g $1, $2, $3"'
2415 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2416
fa0912fe 2417elif enabled ppc; then
e45391bb 2418
e6a0c354
MR
2419 enable local_aligned_8 local_aligned_16
2420
fa0912fe
MR
2421 check_asm dcbzl '"dcbzl 0, 1"'
2422 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2423 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2424
2425 # AltiVec flags: The FSF version of GCC differs from the Apple version
2426 if enabled altivec; then
2427 check_cflags -maltivec -mabi=altivec &&
2428 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2429 check_cflags -faltivec
2430
2431 # check if our compiler supports Motorola AltiVec C API
2432 check_cc <<EOF || disable altivec
2433$inc_altivec_h
2434int main(void) {
2435 vector signed int v1, v2, v3;
2436 v1 = vec_add(v2,v3);
2437 return 0;
2438}
2439EOF
2440
2441 # check if our compiler supports braces for vector declarations
2442 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2443$inc_altivec_h
2444int main (void) { (vector int) {1}; return 0; }
2445EOF
2446 fi
e45391bb 2447
fa0912fe 2448elif enabled sparc; then
e45391bb 2449
fa0912fe
MR
2450 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2451 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2452
fa0912fe 2453elif enabled x86; then
e45391bb 2454
e6a0c354
MR
2455 enable local_aligned_8 local_aligned_16
2456
44965991
PI
2457 # check whether EBP is available on x86
2458 # As 'i' is stored on the stack, this program will crash
2459 # if the base pointer is used to access it because the
2460 # base pointer is cleared in the inline assembly code.
7dfef245 2461 check_exec_crash <<EOF && enable ebp_available
44965991 2462 volatile int i=0;
be449fca 2463 __asm__ volatile (
44965991
PI
2464 "xorl %%ebp, %%ebp"
2465 ::: "%ebp");
2466 return i;
44965991
PI
2467EOF
2468
f494213c 2469 # check whether EBX is available on x86
7cee5421
MR
2470 check_asm ebx_available '""::"b"(0)' &&
2471 check_asm ebx_available '"":::"%ebx"'
8e380710 2472
d3a4b4e0
DB
2473 # check whether more than 10 operands are supported
2474 check_cc <<EOF && enable ten_operands
2475int main(void) {
2476 int x=0;
2477 __asm__ volatile(
2478 ""
2479 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2480 );
2481 return 0;
2482}
2483EOF
2484
d7f0920b 2485 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2486 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2487 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2488
2489 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2490
d52481b9 2491 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2492 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2493 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2494 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2495 case "$objformat" in
2496 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2497 esac
7595a5e4 2498 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2499
669b5583
MR
2500 case "$cpu" in
2501 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2502 disable fast_clz
2503 ;;
2504 esac
2505
44965991
PI
2506fi
2507
a98bb16d
RP
2508if check_func dlopen; then
2509 ldl=
2510elif check_func dlopen -ldl; then
2511 ldl=-ldl
8bf5d58f
MN
2512fi
2513
75ecf149
DB
2514# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2515check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2516
7483e694 2517check_func fork
84882df6 2518check_func getaddrinfo $network_extralibs
7483e694
DB
2519check_func gethrtime
2520check_func getrusage
fc5607f8 2521check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2522check_func inet_aton $network_extralibs
abfc8d05 2523check_func isatty
4ae40685 2524check_func ${malloc_prefix}memalign && enable memalign
7483e694 2525check_func mkstemp
4ae40685 2526check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2527check_func setrlimit
b507ebd1 2528check_func_headers io.h setmode
e4673692 2529check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2530check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2531check_func_headers windows.h GetProcessTimes
7c5bfe7a 2532check_func_headers windows.h VirtualAlloc
6ffa87d3 2533
e16e49ac 2534check_header conio.h
a98bb16d 2535check_header dlfcn.h
92c6a099 2536check_header dxva2api.h
a98bb16d 2537check_header malloc.h
bf6ce82d 2538check_header poll.h
b58412f1 2539check_header sys/mman.h
b091aa44 2540check_header sys/resource.h
bf6ce82d 2541check_header sys/select.h
a98bb16d 2542check_header termios.h
272081b0
CEH
2543check_header vdpau/vdpau.h
2544check_header vdpau/vdpau_x11.h
68178ca9 2545check_header X11/extensions/XvMClib.h
a98bb16d 2546
9104cd51
RP
2547check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2548
89e053f8
MR
2549if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2550 enabled_any $need_memalign ; then
1f91cdce 2551 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2552fi
e16e49ac 2553
a4fa192c 2554disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2555disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2556
2557# check for some common methods of building with pthread support
2558# do this before the optional library checks as some of them require pthreads
2559if enabled pthreads; then
9e7fd101
MR
2560 if check_func pthread_create; then
2561 :
2562 elif check_func pthread_create -pthread; then
2563 add_cflags -pthread
afc9aee2 2564 add_extralibs -pthread
9e7fd101
MR
2565 elif check_func pthread_create -pthreads; then
2566 add_cflags -pthreads
afc9aee2 2567 add_extralibs -pthreads
8d94f606
GT
2568 elif check_func pthread_create -lpthreadGC2; then
2569 add_extralibs -lpthreadGC2
9e7fd101
MR
2570 elif ! check_lib pthread.h pthread_create -lpthread; then
2571 die "ERROR: can't find pthreads library"
2572 fi
57bd82d4
MR
2573fi
2574
8eee7025 2575for thread in $THREADS_LIST; do
e5f94c2b 2576 if enabled $thread; then
3ae3b721
RP
2577 test -n "$thread_type" &&
2578 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2579 thread_type="$thread"
e5f94c2b
RP
2580 fi
2581done
2582
fdf88598 2583check_lib math.h sin -lm
ff418735 2584check_lib va/va.h vaInitialize -lva
fdf88598 2585
645d2652
MR
2586check_mathfunc exp2
2587check_mathfunc exp2f
2588check_mathfunc llrint
2589check_mathfunc log2
2590check_mathfunc log2f
2591check_mathfunc lrint
2592check_mathfunc lrintf
2593check_mathfunc round
2594check_mathfunc roundf
2595check_mathfunc truncf
f32adb22 2596
57bd82d4 2597# these are off by default, so fail if requested and not available
a1b3c5a3 2598enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2599enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2600 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2601 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2602enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2603enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2604enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2605enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2606enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2607enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2608enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2609enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2610enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2611 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2612enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2613enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2614enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2615enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2616 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2617 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2618enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2619enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2620
0b4a1821
AS
2621# libdc1394 check
2622if enabled libdc1394; then
2623 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2624 enable libdc1394_2; } ||
2625 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2626 enable libdc1394_1; } ||
2627 die "ERROR: No version of libdc1394 found "
2628fi
2629
6a1a892f 2630SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2631if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2632 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2633 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2634 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2635 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2636 enable sdl &&
2637 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2638fi
57bd82d4 2639
2270b4b2 2640texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2641
73b46a95 2642if enabled network; then
96000432 2643 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2644 check_type netdb.h "struct addrinfo"
b4d68544
MS
2645 check_type netinet/in.h "struct ipv6_mreq"
2646 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2647 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2648 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2649 # Prefer arpa/inet.h over winsock2
2650 if check_header arpa/inet.h ; then
2651 check_func closesocket
2652 elif check_header winsock2.h ; then
f4c13872
MS
2653 check_func_headers winsock2.h closesocket -lws2 && \
2654 network_extralibs="-lws2" || \
2655 { check_func_headers winsock2.h closesocket -lws2_32 && \
2656 network_extralibs="-lws2_32"; }
72be9e73 2657 check_type ws2tcpip.h socklen_t
c0018613 2658 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2659 check_type ws2tcpip.h "struct ipv6_mreq"
2660 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2661 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2662 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2663 else
2664 disable network
73b46a95
RP
2665 fi
2666fi
2667
06e31011
RP
2668check_header linux/videodev.h
2669check_header linux/videodev2.h
1b6e8b73 2670check_header sys/videoio.h
47f38850 2671
27796dc3 2672check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2673
f8aa696f 2674# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2675{ check_header dev/bktr/ioctl_meteor.h &&
2676 check_header dev/bktr/ioctl_bt848.h; } ||
2677{ check_header machine/ioctl_meteor.h &&
2678 check_header machine/ioctl_bt848.h; } ||
2679{ check_header dev/video/meteor/ioctl_meteor.h &&
2680 check_header dev/video/bktr/ioctl_bt848.h; } ||
2681check_header dev/ic/bt8xx.h
f8aa696f 2682
c7682de0
RP
2683check_header sys/soundcard.h
2684check_header soundcard.h
deb29777 2685
b6f3d925 2686enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2687
0e57fe17 2688enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2689
56a059ac 2690enabled x11grab &&
f58f4ce1
GP
2691check_header X11/Xlib.h &&
2692check_header X11/extensions/XShm.h &&
0a045661 2693check_header X11/extensions/Xfixes.h &&
f58f4ce1 2694check_func XOpenDisplay -lX11 &&
781c1aa6
R
2695check_func XShmCreateImage -lX11 -lXext &&
2696check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2697
598ef02b 2698if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2699check_cpp_condition \
2700 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2701 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2702 disable vdpau; }
abf649c7 2703fi
deda2a4a 2704
95e561ec 2705enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2706
2707# add some useful compiler flags if supported
2708check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2709check_cflags -Wall
2710check_cflags -Wno-switch
c07bd6a9
MN
2711check_cflags -Wdisabled-optimization
2712check_cflags -Wpointer-arith
2713check_cflags -Wredundant-decls
cc1fb623 2714check_cflags -Wno-pointer-sign
f4929996 2715check_cflags -Wcast-qual
9aceb3cf 2716check_cflags -Wwrite-strings
652a5bf6 2717check_cflags -Wtype-limits
764551c6 2718check_cflags -Wundef
fc298fd9 2719check_cflags -Wmissing-prototypes
5af4e0cc 2720enabled extra_warnings && check_cflags -Winline
cf9d24ad 2721
57bd82d4 2722# add some linker flags
5c0e9479 2723check_ldflags -Wl,--warn-common
8351d2ba
DB
2724check_ldflags -Wl,--as-needed
2725check_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 2726check_ldflags -Wl,-Bsymbolic
94a3401e 2727
a482e61b
MR
2728echo "X{};" > $TMPV
2729test_ldflags -Wl,--version-script,$TMPV &&
2730 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2731
bd2216e4 2732if enabled small; then
14ca9cd0 2733 add_cflags $size_cflags
8400d6b8
DB
2734 optimizations="small"
2735elif enabled optimizations; then
14ca9cd0 2736 add_cflags $speed_cflags
cddf3f45 2737fi
11fdbc44 2738check_cflags -fno-math-errno
b2eb2ff0 2739check_cflags -fno-signed-zeros
cddf3f45 2740
629687f6 2741if enabled icc; then
b1598b58
MR
2742 # Just warnings, no remarks
2743 check_cflags -w1
2744 # -wd: Disable following warnings
2745 # 144, 167, 556: -Wno-pointer-sign
2746 # 10006: ignoring unknown option -fno-signed-zeros
2747 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2748 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2749 # 11030: Warning unknown option --as-needed
2750 # 10156: ignoring option '-export'; no argument required
2751 check_ldflags -wd10156,11030
2752 # Allow to compile with optimizations
2753 check_ldflags -march=$cpu
be2cf98a
CEH
2754 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2755 enable ebp_available
df442a8d
MR
2756elif enabled ccc; then
2757 # disable some annoying warnings
2758 add_cflags -msg_disable cvtu32to64
2759 add_cflags -msg_disable embedcomment
2760 add_cflags -msg_disable needconstext
2761 add_cflags -msg_disable nomainieee
2762 add_cflags -msg_disable ptrmismatch1
2763 add_cflags -msg_disable unreachcode
973859f5
MR
2764elif enabled gcc; then
2765 check_cflags -fno-tree-vectorize
62df111c 2766 check_cflags -Werror=implicit
de63bfec 2767 check_cflags -Werror=missing-prototypes
06da6943
DC
2768elif enabled clang; then
2769 check_cflags -Qunused-arguments
138132be
MR
2770elif enabled armcc; then
2771 # 2523: use of inline assembler is deprecated
2772 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2773 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2774elif enabled tms470; then
2775 add_cflags -pds=824 -pds=837
504a64b9
CEH
2776fi
2777
90be59ef 2778if enabled gprof; then
0f010b2f
DB
2779 add_cflags -p
2780 add_ldflags -p
1db54e20
DB
2781fi
2782
7f3c02fc 2783# Find out if the .align argument is a power of two or not.
9377b6ce 2784check_asm asmalign_pot '".align 3"'
4454dc1b 2785
7483e694
DB
2786enabled_any $DECODER_LIST && enable decoders
2787enabled_any $ENCODER_LIST && enable encoders
5666fd73 2788enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2789enabled_any $BSF_LIST && enable bsfs
2790enabled_any $DEMUXER_LIST && enable demuxers
2791enabled_any $MUXER_LIST && enable muxers
f7679c54 2792enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2793enabled_any $INDEV_LIST && enable indevs
2794enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2795enabled_any $PROTOCOL_LIST && enable protocols
2796
2797enabled_any $THREADS_LIST && enable threads
2798
2799check_deps $CONFIG_LIST \
b6bb00b0 2800 $CONFIG_EXTRA \
7483e694
DB
2801 $HAVE_LIST \
2802 $DECODER_LIST \
2803 $ENCODER_LIST \
5666fd73 2804 $HWACCEL_LIST \
7483e694
DB
2805 $PARSER_LIST \
2806 $BSF_LIST \
2807 $DEMUXER_LIST \
2808 $MUXER_LIST \
f7679c54 2809 $FILTER_LIST \
7483e694
DB
2810 $INDEV_LIST \
2811 $OUTDEV_LIST \
2812 $PROTOCOL_LIST \
f70f03f6 2813
c8a4ae00
MR
2814enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2815
3e89171a 2816echo "install prefix $prefix"
f36958f8
DB
2817echo "source path $source_path"
2818echo "C compiler $cc"
bfd5afd8 2819echo ".align is power-of-two $asmalign_pot"
f36958f8 2820echo "ARCH $arch ($cpu)"
ce8871c2
MR
2821if test "$build_suffix" != ""; then
2822 echo "build suffix $build_suffix"
eb94aca9 2823fi
ac63af34
DB
2824if test "$extra_version" != ""; then
2825 echo "version string suffix $extra_version"
2826fi
0db2ce77 2827echo "big-endian ${bigendian-no}"
e90f5b5a 2828echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2829if enabled x86; then
af44e8e4 2830 echo "yasm ${yasm-no}"
0db2ce77 2831 echo "MMX enabled ${mmx-no}"
30e98e62 2832 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2833 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2834 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2835 echo "SSE enabled ${sse-no}"
30e98e62 2836 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2837 echo "CMOV enabled ${cmov-no}"
2838 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2839 echo "EBX available ${ebx_available-no}"
2840 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2841 echo "10 operands supported ${ten_operands-no}"
e41e8342 2842fi
5b6c2cbd 2843if enabled arm; then
0db2ce77
MR
2844 echo "ARMv5TE enabled ${armv5te-no}"
2845 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2846 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2847 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2848 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2849 echo "NEON enabled ${neon-no}"
eba9ae3c 2850fi
5b6c2cbd 2851if enabled mips; then
0db2ce77 2852 echo "MMI enabled ${mmi-no}"
e41e8342 2853fi
5b6c2cbd 2854if enabled ppc; then
0db2ce77 2855 echo "AltiVec enabled ${altivec-no}"
30e98e62 2856 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2857 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2858 echo "performance report ${powerpc_perf-no}"
2859fi
2860if enabled sparc; then
2861 echo "VIS enabled ${vis-no}"
e41e8342 2862fi
0db2ce77
MR
2863echo "gprof enabled ${gprof-no}"
2864echo "debug symbols ${debug-no}"
87a0fb62 2865echo "strip symbols ${stripping-no}"
8400d6b8 2866echo "optimizations ${optimizations-no}"
0db2ce77
MR
2867echo "static ${static-no}"
2868echo "shared ${shared-no}"
4a24ab64 2869echo "postprocessing support ${postproc-no}"
f7679c54 2870echo "new filter support ${avfilter-no}"
81124ba0 2871echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2872echo "network support ${network-no}"
0db2ce77
MR
2873echo "threading support ${thread_type-no}"
2874echo "SDL support ${sdl-no}"
0db2ce77
MR
2875echo "Sun medialib support ${mlib-no}"
2876echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2877echo "libdc1394 support ${libdc1394-no}"
690bfceb 2878echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2879echo "libfaac enabled ${libfaac-no}"
2880echo "libfaad enabled ${libfaad-no}"
7e0871a7 2881echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2882echo "libgsm enabled ${libgsm-no}"
2883echo "libmp3lame enabled ${libmp3lame-no}"
2884echo "libnut enabled ${libnut-no}"
0b175caa
DB
2885echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2886echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2887echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2888echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2889echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2890echo "libtheora enabled ${libtheora-no}"
2891echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2892echo "libx264 enabled ${libx264-no}"
2893echo "libxvid enabled ${libxvid-no}"
0db2ce77 2894echo "zlib enabled ${zlib-no}"
f402916e 2895echo "bzlib enabled ${bzlib-no}"
2c62e737 2896echo
de6d9b64 2897
5666fd73 2898for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2899 echo "Enabled ${type}s:"
f65c9da1 2900 eval list=\$$(toupper $type)_LIST
8138b9db 2901 for part in $list; do
f65c9da1
MR
2902 enabled $part && echo ${part%_*}
2903 done | sort | pr -3 -t
2904 echo
8138b9db
RP
2905done
2906
ba7a7039 2907license="LGPL version 2.1 or later"
ba321adb 2908if enabled nonfree; then
ba7a7039 2909 license="nonfree and unredistributable"
9cad0e4e
DB
2910elif enabled gplv3; then
2911 license="GPL version 3 or later"
2912elif enabled lgplv3; then
2913 license="LGPL version 3 or later"
ba321adb 2914elif enabled gpl; then
ba7a7039 2915 license="GPL version 2 or later"
ba321adb
JK
2916fi
2917
2918echo "License: $license"
ca5323af 2919
cf1392e9
DB
2920echo "Creating config.mak and config.h..."
2921
df642790
MR
2922# build tree in object directory if source path is different from current one
2923if enabled source_path_used; then
2924 DIRS="
2925 doc
2926 libavcodec
2927 libavcodec/$arch
2928 libavdevice
2929 libavfilter
2930 libavformat
2931 libavutil
2932 libavutil/$arch
2933 libpostproc
2934 libswscale
2935 libswscale/$arch
2936 tests
2937 tools
2938 "
2939 FILES="
2940 Makefile
2941 common.mak
2942 subdir.mak
2943 doc/texi2pod.pl
2944 libavcodec/Makefile
2945 libavdevice/Makefile
2946 libavfilter/Makefile
2947 libavformat/Makefile
2948 libavutil/Makefile
2949 libpostproc/Makefile
2950 libswscale/Makefile
2951 "
54a2ae37
MR
2952 map 'mkdir -p $_' $DIRS;
2953 map '$ln_s "$source_path/$_" $_' $FILES
df642790
MR
2954fi
2955
ad212cc6
MR
2956enabled stripping || strip="echo skipping strip"
2957
173c983b
MR
2958cat > config.mak <<EOF
2959# Automatically generated by configure - do not modify!
2960ifndef FFMPEG_CONFIG_MAK
2961FFMPEG_CONFIG_MAK=1
2962FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2963prefix=$prefix
2964LIBDIR=\$(DESTDIR)$libdir
2965SHLIBDIR=\$(DESTDIR)$shlibdir
2966INCDIR=\$(DESTDIR)$incdir
2967BINDIR=\$(DESTDIR)$bindir
2968DATADIR=\$(DESTDIR)$datadir
2969MANDIR=\$(DESTDIR)$mandir
2970SRC_PATH="$source_path"
2971SRC_PATH_BARE=$source_path
2972BUILD_ROOT="$PWD"
2973ARCH=$arch
2974CC=$cc
2975AS=$as
2976LD=$ld
2977DEPCC=$dep_cc
2978YASM=$yasmexe
a4aea515 2979YASMDEP=$yasmexe
173c983b
MR
2980AR=$ar
2981RANLIB=$ranlib
4335125c 2982CP=cp -p
173c983b
MR
2983LN_S=$ln_s
2984STRIP=$strip
2985CPPFLAGS=$CPPFLAGS
2986CFLAGS=$CFLAGS
2987ASFLAGS=$ASFLAGS
2988CC_O=$CC_O
2989LDFLAGS=$LDFLAGS
2990FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2991SHFLAGS=$SHFLAGS
2992YASMFLAGS=$YASMFLAGS
2993BUILDSUF=$build_suffix
2994FULLNAME=$FULLNAME
2995LIBPREF=$LIBPREF
2996LIBSUF=$LIBSUF
2997LIBNAME=$LIBNAME
2998SLIBPREF=$SLIBPREF
2999SLIBSUF=$SLIBSUF
3000EXESUF=$EXESUF
3001EXTRA_VERSION=$extra_version
3002DEPFLAGS=$DEPFLAGS
3003CCDEP=$CCDEP
3004ASDEP=$ASDEP
3005CC_DEPFLAGS=$CC_DEPFLAGS
3006AS_DEPFLAGS=$AS_DEPFLAGS
3007HOSTCC=$host_cc
3008HOSTCFLAGS=$host_cflags
3009HOSTEXESUF=$HOSTEXESUF
3010HOSTLDFLAGS=$host_ldflags
3011HOSTLIBS=$host_libs
3012TARGET_EXEC=$target_exec
3013TARGET_PATH=$target_path
3014SDL_LIBS=$sdl_libs
3015SDL_CFLAGS=$sdl_cflags
3016LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3017EXTRALIBS=$extralibs
fd676deb 3018INSTALL=install
1afc4750
MR
3019LIBTARGET=${LIBTARGET}
3020SLIBNAME=${SLIBNAME}
3021SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3022SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3023SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3024SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3025SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3026SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
173c983b 3027EOF
5a872801 3028
719c8e00
MR
3029get_version(){
3030 name=$1
3031 file=$source_path/$2
147e7692
MR
3032 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3033 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3034 lcname=$(tolower $name)
3035 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3036 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3037}
3038
147e7692
MR
3039get_version LIBSWSCALE libswscale/swscale.h
3040get_version LIBPOSTPROC libpostproc/postprocess.h
3041get_version LIBAVCODEC libavcodec/avcodec.h
3042get_version LIBAVDEVICE libavdevice/avdevice.h
3043get_version LIBAVFORMAT libavformat/avformat.h
3044get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3045get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3046
173c983b
MR
3047enabled asmalign_pot || align_shift="1 <<"
3048
3049cat > $TMPH <<EOF
3050/* Automatically generated by configure - do not modify! */
3051#ifndef FFMPEG_CONFIG_H
3052#define FFMPEG_CONFIG_H
3053#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3054#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3055#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3056#define CC_TYPE "$cc_type"
3057#define CC_VERSION $cc_version
3058#define restrict $_restrict
3059#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3060#define EXTERN_PREFIX "${extern_prefix}"
3061#define EXTERN_ASM ${extern_prefix}
3062EOF
523ef551 3063
4ae40685
MR
3064test -n "$malloc_prefix" &&
3065 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3066
523ef551 3067if enabled small || disabled optimizations; then
9a894c48 3068 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3069 echo "#define av_always_inline" >> $TMPH
3070fi
3071
3d907e22
MR
3072print_config ARCH_ $TMPH config.mak $ARCH_LIST
3073print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3074print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3075 $CONFIG_EXTRA \
7483e694
DB
3076 $DECODER_LIST \
3077 $ENCODER_LIST \
5666fd73 3078 $HWACCEL_LIST \
7483e694
DB
3079 $PARSER_LIST \
3080 $BSF_LIST \
3081 $DEMUXER_LIST \
3082 $MUXER_LIST \
f7679c54 3083 $FILTER_LIST \
7483e694
DB
3084 $PROTOCOL_LIST \
3085 $INDEV_LIST \
3086 $OUTDEV_LIST \
8ac17293 3087
9c05103f 3088echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3089echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3090
b7860763 3091# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3092cp_if_changed $TMPH config.h
3d204385 3093
a3e02a8c
MR
3094cat > $TMPH <<EOF
3095/* Generated by ffconf */
3096#ifndef AVUTIL_AVCONFIG_H
3097#define AVUTIL_AVCONFIG_H
3098EOF
3099
3100print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3101
3102echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3103
3104cp_if_changed $TMPH libavutil/avconfig.h
3105
d0674868 3106# build pkg-config files
def4272a 3107
d0674868
DB
3108pkgconfig_generate(){
3109name=$1
b0dfd108 3110shortname=${name#lib}${build_suffix}
d0674868
DB
3111comment=$2
3112version=$3
3113libs=$4
3114requires=$5
25cd5cb3 3115cat <<EOF > $name/$name.pc
3e89171a 3116prefix=$prefix
a94e666c 3117exec_prefix=\${prefix}
f2b7382c 3118libdir=$libdir
7622778e 3119includedir=$incdir
def4272a 3120
d0674868
DB
3121Name: $name
3122Description: $comment
3123Version: $version
8cd6b388 3124Requires: $(enabled shared || echo $requires)
5dcfe9f8 3125Requires.private: $(enabled shared && echo $requires)
def4272a 3126Conflicts:
8cd6b388 3127Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3128Libs.private: $(enabled shared && echo $libs)
76a448ed 3129Cflags: -I\${includedir}
def4272a 3130EOF
25cd5cb3 3131cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3132prefix=
3133exec_prefix=
46d1ff83 3134libdir=\${pcfiledir}
1d44d365 3135includedir=${source_path}
def4272a 3136
d0674868
DB
3137Name: $name
3138Description: $comment
3139Version: $version
3140Requires: $requires
def4272a 3141Conflicts:
12701f6e 3142Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3143Cflags: -I\${includedir}
3144EOF
d0674868 3145}
def4272a 3146
e426941d 3147pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3148pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3149pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3150pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3151enabled avfilter &&
46983309 3152 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3153enabled postproc &&
e426941d 3154 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3155pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"