cosmetics : Print newline after error message.
[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(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
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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
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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#!}" $op "xyes"
44161118
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411}
412
37970ebf 413disabled(){
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414 test "${1#!}" = "$1" && op== || op=!=
415 eval test "x\$${1#!}" $op "xno"
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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
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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
44161118
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506 fi
507 done
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508}
509
510flags_saved(){
2270b4b2 511 (: ${SAVE_CFLAGS?}) 2> /dev/null
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512}
513
dcd479c0 514save_flags(){
57bd82d4 515 flags_saved && return
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516 SAVE_CFLAGS="$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
MR
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 $TMPC
57bd82d4
MR
583}
584
585check_cpp(){
586 log check_cpp "$@"
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 $TMPC
f65883c8
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597}
598
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599check_asm(){
600 log check_asm "$@"
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
05aec7bb 897 dwt
92c6a099 898 dxva2
27a9466b 899 fastdiv
c88f5d72
MR
900 ffmpeg
901 ffplay
336ce917 902 ffprobe
c88f5d72 903 ffserver
1848f7d9 904 fft
4f034993 905 golomb
c88f5d72 906 gpl
ecfc4f44 907 gprof
d8d0d0b2 908 gray
3abe5fbd 909 hardcoded_tables
f7b8bffe 910 libdc1394
690bfceb 911 libdirac
2eed5a46
DB
912 libfaac
913 libfaad
914 libfaadbin
c88f5d72 915 libgsm
6ebe07fb 916 libmp3lame
c88f5d72 917 libnut
0b175caa
DB
918 libopencore_amrnb
919 libopencore_amrwb
9a77d59a 920 libopenjpeg
f7cd9eed 921 libschroedinger
ae14f311 922 libspeex
150d2772 923 libtheora
c88f5d72 924 libvorbis
1cc60c47
DB
925 libx264
926 libxvid
f4d608e3 927 lpc
b781cc12 928 lsp
47a158cb 929 mdct
c88f5d72 930 memalign_hack
a8150374 931 mlib
c88f5d72
MR
932 mpegaudio_hp
933 network
3fe142e2 934 nonfree
8a3c8627 935 pic
4a24ab64 936 postproc
2b4c3615 937 powerpc_perf
68602540 938 rdft
e90f5b5a 939 runtime_cpudetect
2e35e684 940 shared
bd2216e4 941 small
6b35d421 942 sram
2e35e684 943 static
5a0f7131 944 swscale
a9ddb5b1 945 swscale_alpha
17492d5e
DB
946 vaapi
947 vdpau
9cad0e4e 948 version3
56a059ac 949 x11grab
c88f5d72 950 zlib
4a0d6686 951"
c88f5d72 952
8eee7025
DB
953THREADS_LIST='
954 beosthreads
d22e8442 955 os2threads
8eee7025
DB
956 pthreads
957 w32threads
958'
959
3f5b56e5
MR
960ARCH_LIST='
961 alpha
a2fc0f6a 962 arm
fdcd782d
MR
963 avr32
964 avr32_ap
965 avr32_uc
3f5b56e5
MR
966 bfin
967 ia64
968 m68k
969 mips
bae3abb0 970 mips64
3f5b56e5 971 parisc
79cb09b2 972 ppc
34d11b87 973 ppc64
3f5b56e5
MR
974 s390
975 sh4
976 sparc
977 sparc64
0844bae1 978 tomi
3f5b56e5
MR
979 x86
980 x86_32
981 x86_64
982'
983
984ARCH_EXT_LIST='
1ac9331a 985 altivec
3bf96eec 986 amd3dnow
a1ef9f08 987 amd3dnowext
1ac9331a 988 armv5te
edab3048 989 armv6
ab5cb084 990 armv6t2
f55b299a 991 armvfp
3f5b56e5
MR
992 iwmmxt
993 mmi
994 mmx
d7f0920b 995 mmx2
6b18d278 996 neon
799fde37 997 ppc4xx
1bb04d5a 998 sse
9eeed841 999 ssse3
bd9d34a0 1000 vis
3f5b56e5
MR
1001'
1002
a3e02a8c
MR
1003HAVE_LIST_PUB='
1004 bigendian
1005'
1006
3f5b56e5
MR
1007HAVE_LIST="
1008 $ARCH_EXT_LIST
a3e02a8c 1009 $HAVE_LIST_PUB
3f5b56e5 1010 $THREADS_LIST
35fd8122 1011 alsa_asoundlib_h
3f5b56e5 1012 altivec_h
c9fdab0d 1013 arpa_inet_h
dffb41b9 1014 attribute_may_alias
e7ea5e3d 1015 attribute_packed
6bd859d6 1016 bswap
ecf97f22 1017 closesocket
1ac9331a 1018 cmov
e16e49ac 1019 conio_h
c88f5d72 1020 dcbzl
f8aa696f
DB
1021 dev_bktr_ioctl_bt848_h
1022 dev_bktr_ioctl_meteor_h
1023 dev_ic_bt8xx_h
1024 dev_video_meteor_ioctl_meteor_h
1025 dev_video_bktr_ioctl_bt848_h
18b67ae5 1026 dlfcn_h
c88f5d72 1027 dlopen
bc574408 1028 dos_paths
245626d0
DB
1029 ebp_available
1030 ebx_available
6b7c7703
VS
1031 exp2
1032 exp2f
c2a29455 1033 fast_64bit
669b5583 1034 fast_clz
7073e9fc 1035 fast_cmov
7b829d2a 1036 fast_unaligned
9d99cc5a 1037 fork
84882df6 1038 getaddrinfo
da9e86f8 1039 gethrtime
fc5607f8 1040 GetProcessMemoryInfo
4e68cb8a 1041 GetProcessTimes
66be5b45 1042 getrusage
fc5607f8 1043 struct_rusage_ru_maxrss
2e1913b1 1044 inet_aton
61d251db 1045 inline_asm
abfc8d05 1046 isatty
9f5ff83f 1047 ldbrx
0b4a1821
AS
1048 libdc1394_1
1049 libdc1394_2
a33cab3a 1050 llrint
d96cd429
MR
1051 local_aligned_16
1052 local_aligned_8
291fd18a 1053 log2
6b7c7703 1054 log2f
85dd97ad 1055 loongson
a33cab3a 1056 lrint
c88f5d72 1057 lrintf
e4673692 1058 lzo1x_999_compress
f8aa696f
DB
1059 machine_ioctl_bt848_h
1060 machine_ioctl_meteor_h
c88f5d72
MR
1061 malloc_h
1062 memalign
6ffa87d3 1063 mkstemp
b4e806b2 1064 pld
1f91cdce 1065 posix_memalign
a33cab3a
MK
1066 round
1067 roundf
c88f5d72
MR
1068 sdl
1069 sdl_video_size
b507ebd1 1070 setmode
72be9e73 1071 socklen_t
deb29777 1072 soundcard_h
f8cda19e 1073 poll_h
0104b608 1074 setrlimit
c0018613 1075 struct_addrinfo
b4d68544
MS
1076 struct_ipv6_mreq
1077 struct_sockaddr_in6
3b2372bf 1078 struct_sockaddr_sa_len
33a4dbdd 1079 struct_sockaddr_storage
b58412f1 1080 sys_mman_h
b091aa44 1081 sys_resource_h
81644c2e 1082 sys_select_h
deb29777 1083 sys_soundcard_h
1b6e8b73 1084 sys_videoio_h
d3a4b4e0 1085 ten_operands
e16e49ac 1086 termios_h
b265431e 1087 threads
7b04b8a0 1088 truncf
ce742de2 1089 vfp_args
7c5bfe7a 1090 VirtualAlloc
6ff3f3e7 1091 winsock2_h
cc078b5d 1092 xform_asm
304d586d 1093 yasm
0cb78cef 1094"
44161118 1095
b6bb00b0
MR
1096# options emitted with CONFIG_ prefix but not available on command line
1097CONFIG_EXTRA="
dc4f5a1c 1098 avutil
9cad0e4e
DB
1099 gplv3
1100 lgplv3
b6bb00b0
MR
1101"
1102
520cc7f1 1103CMDLINE_SELECT="
3f5b56e5 1104 $ARCH_EXT_LIST
520cc7f1 1105 $CONFIG_LIST
8eee7025 1106 $THREADS_LIST
c8a4ae00 1107 asm
db6107b6 1108 cross_compile
520cc7f1
MR
1109 debug
1110 extra_warnings
8c6afa4d 1111 logging
d2bbb2f7 1112 optimizations
87a0fb62 1113 stripping
7595a5e4 1114 yasm
520cc7f1 1115"
426be5dc
DB
1116
1117PATHS_LIST='
d156bede 1118 bindir
14a8acf1 1119 datadir
26759c44
MR
1120 incdir
1121 libdir
26759c44
MR
1122 mandir
1123 prefix
1124 shlibdir
426be5dc
DB
1125'
1126
1127CMDLINE_SET="
1128 $PATHS_LIST
1129 arch
313c46a6 1130 as
426be5dc
DB
1131 build_suffix
1132 cc
1133 cpu
1134 cross_prefix
50567afa 1135 dep_cc
ac63af34 1136 extra_version
9da6609f
MR
1137 host_cc
1138 host_cflags
1139 host_ldflags
1140 host_libs
82bb3329 1141 host_os
684b28e0 1142 ld
426be5dc 1143 logfile
4ae40685 1144 malloc_prefix
89641463 1145 nm
26759c44 1146 source_path
4f837398 1147 strip
c5200f17
MR
1148 sysinclude
1149 sysroot
a7ada2ba 1150 target_exec
26759c44 1151 target_os
a7ada2ba 1152 target_path
426be5dc 1153"
520cc7f1 1154
89f2932b
MR
1155CMDLINE_APPEND="
1156 extra_cflags
1157"
1158
912f3148
DB
1159# code dependency declarations
1160
9eeed841 1161# architecture extensions
808fa33c 1162
a2fc0f6a
MR
1163armv5te_deps="arm"
1164armv6_deps="arm"
ab5cb084 1165armv6t2_deps="arm"
a2fc0f6a
MR
1166armvfp_deps="arm"
1167iwmmxt_deps="arm"
808fa33c
MR
1168neon_deps="arm"
1169
e241ba14 1170mmi_deps="mips"
808fa33c
MR
1171
1172altivec_deps="ppc"
1173ppc4xx_deps="ppc"
1174
1175vis_deps="sparc"
1176
7f8c3d1f 1177x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1178amd3dnow_deps="mmx"
1179amd3dnowext_deps="amd3dnow"
9eeed841 1180mmx_deps="x86"
75aa95a6 1181mmx2_deps="mmx"
75aa95a6
DB
1182sse_deps="mmx"
1183ssse3_deps="sse"
9eeed841 1184
e939cedd 1185fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1186fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1187fast_unaligned_if_any="armv6 ppc x86"
669b5583 1188
89e053f8 1189need_memalign="altivec neon sse"
6fec122a 1190inline_asm_deps="!tms470"
89e053f8 1191
26fbcc85
MR
1192# subsystems
1193mdct_select="fft"
1194rdft_select="fft"
1195
5666fd73 1196# decoders / encoders / hardware accelerators
49351479 1197aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1198aac_encoder_select="mdct"
1199ac3_decoder_select="mdct ac3_parser"
f4d608e3 1200alac_encoder_select="lpc"
b781cc12 1201amrnb_decoder_select="lsp"
084cbbaa 1202atrac1_decoder_select="mdct"
26fbcc85
MR
1203atrac3_decoder_select="mdct"
1204binkaudio_dct_decoder_select="mdct rdft dct"
1205binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1206cavs_decoder_select="golomb"
26fbcc85 1207cook_decoder_select="mdct"
2eef7c62 1208cscd_decoder_suggest="zlib"
26fbcc85 1209dca_decoder_select="mdct"
e8ed9b7a 1210dnxhd_encoder_select="aandct"
2eef7c62 1211dxa_decoder_select="zlib"
baf91bb9 1212eac3_decoder_select="ac3_decoder"
84c04e25 1213eamad_decoder_select="aandct"
e8ed9b7a 1214eatgq_decoder_select="aandct"
d52b39c7 1215eatqi_decoder_select="aandct"
4f034993
MR
1216ffv1_decoder_select="golomb"
1217flac_decoder_select="golomb"
f4d608e3 1218flac_encoder_select="golomb lpc"
2eef7c62
AJ
1219flashsv_decoder_select="zlib"
1220flashsv_encoder_select="zlib"
4414137e 1221flv_decoder_select="h263_decoder"
4d4b4bd1 1222flv_encoder_select="h263_encoder"
e8ed9b7a 1223h261_encoder_select="aandct"
7f647ae0 1224h263_decoder_select="h263_parser"
e8ed9b7a 1225h263_encoder_select="aandct"
ff418735 1226h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1227h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1228h263i_decoder_select="h263_decoder"
fe629c2d 1229h263p_encoder_select="h263_encoder"
4f034993 1230h264_decoder_select="golomb"
92c6a099
LA
1231h264_dxva2_hwaccel_deps="dxva2api_h"
1232h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1233h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1234h264_vaapi_hwaccel_select="vaapi"
711dae77 1235h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1236h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1237imc_decoder_select="fft mdct"
4f034993
MR
1238jpegls_decoder_select="golomb"
1239jpegls_encoder_select="golomb"
e8ed9b7a 1240ljpeg_encoder_select="aandct"
4f034993 1241loco_decoder_select="golomb"
e8ed9b7a 1242mjpeg_encoder_select="aandct"
2cca233b 1243mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1244mpeg1video_encoder_select="aandct"
1245mpeg2video_encoder_select="aandct"
4414137e 1246mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1247mpeg4_encoder_select="h263_encoder"
711dae77 1248mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1249mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1250mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1251mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1252mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1253mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1254mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1255mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1256mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1257mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1258mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1259mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1260msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1261msmpeg4v1_encoder_select="h263_encoder"
4414137e 1262msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1263msmpeg4v2_encoder_select="h263_encoder"
4414137e 1264msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1265msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1266nellymoser_decoder_select="mdct"
1267nellymoser_encoder_select="mdct"
2eef7c62
AJ
1268png_decoder_select="zlib"
1269png_encoder_select="zlib"
b781cc12 1270qcelp_decoder_select="lsp"
26fbcc85 1271qdm2_decoder_select="mdct rdft"
a8beb22f 1272rv10_decoder_select="h263_decoder"
b2bf38b4 1273rv10_encoder_select="h263_encoder"
a8beb22f 1274rv20_decoder_select="h263_decoder"
b2bf38b4 1275rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1276rv30_decoder_select="golomb"
1277rv40_decoder_select="golomb"
4f034993 1278shorten_decoder_select="golomb"
b781cc12 1279sipr_decoder_select="lsp"
05aec7bb
MR
1280snow_decoder_select="dwt"
1281snow_encoder_select="aandct dwt"
4f034993
MR
1282sonic_decoder_select="golomb"
1283sonic_encoder_select="golomb"
1284sonic_ls_encoder_select="golomb"
19ecfb8a 1285svq1_encoder_select="aandct"
4f034993 1286svq3_decoder_select="golomb"
bee2eac5 1287svq3_decoder_suggest="zlib"
4eef77c1 1288theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1289tiff_decoder_suggest="zlib"
1290tiff_encoder_suggest="zlib"
aec09a00 1291truehd_decoder_select="mlp_decoder"
2eef7c62 1292tscc_decoder_select="zlib"
b781cc12 1293twinvq_decoder_select="mdct lsp"
f95bfab0 1294vc1_decoder_select="h263_decoder"
9104cd51 1295vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1296vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1297vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1298vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1299vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1300vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1301vorbis_decoder_select="mdct"
1302vorbis_encoder_select="mdct"
e82dc4c9
DB
1303vp6a_decoder_select="vp6_decoder"
1304vp6f_decoder_select="vp6_decoder"
084cbbaa 1305wmapro_decoder_select="mdct"
26fbcc85
MR
1306wmav1_decoder_select="mdct"
1307wmav1_encoder_select="mdct"
1308wmav2_decoder_select="mdct"
1309wmav2_encoder_select="mdct"
b781cc12 1310wmavoice_decoder_select="lsp"
f95bfab0 1311wmv1_decoder_select="h263_decoder"
665507aa 1312wmv1_encoder_select="h263_encoder"
f95bfab0 1313wmv2_decoder_select="h263_decoder"
1746e2a9 1314wmv2_encoder_select="h263_encoder"
015f8ee0 1315wmv3_decoder_select="vc1_decoder"
f0f86627 1316wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1317wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1318wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1319zlib_decoder_select="zlib"
1320zlib_encoder_select="zlib"
1321zmbv_decoder_select="zlib"
1322zmbv_encoder_select="zlib"
30fd06be 1323
28b80940
DB
1324# parsers
1325h264_parser_select="golomb"
1326
f1e94694
DB
1327# bitstream_filters
1328aac_adtstoasc_bsf_select="aac_parser"
1329
912f3148 1330# external libraries
1b71f045 1331libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1332libdirac_encoder_deps="libdirac"
c9171a83 1333libfaac_encoder_deps="libfaac"
69ddbd1d 1334libfaad_decoder_deps="libfaad"
4ec45764 1335libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1336libgsm_decoder_deps="libgsm"
1337libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1338libgsm_ms_decoder_deps="libgsm"
1339libgsm_ms_encoder_deps="libgsm"
1cc60c47 1340libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1341libopencore_amrnb_decoder_deps="libopencore_amrnb"
1342libopencore_amrnb_encoder_deps="libopencore_amrnb"
1343libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1344libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1345libschroedinger_decoder_deps="libschroedinger"
1346libschroedinger_encoder_deps="libschroedinger"
ae14f311 1347libspeex_decoder_deps="libspeex"
150d2772 1348libtheora_encoder_deps="libtheora"
b0caf888 1349libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1350libx264_encoder_deps="libx264"
1351libxvid_encoder_deps="libxvid"
30fd06be 1352
912f3148 1353# demuxers / muxers
03a76ba9 1354ac3_demuxer_deps="ac3_parser"
647c2356 1355asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1356avisynth_demuxer_deps="avisynth"
1357dirac_demuxer_deps="dirac_parser"
5b423887 1358eac3_demuxer_select="ac3_parser"
647c2356 1359ipod_muxer_select="mov_muxer"
4e622dea
SS
1360libnut_demuxer_deps="libnut"
1361libnut_muxer_deps="libnut"
647c2356 1362matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1363matroska_demuxer_suggest="zlib bzlib"
1364mov_demuxer_suggest="zlib"
1365mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1366mp4_muxer_select="mov_muxer"
1367mpegtsraw_demuxer_select="mpegts_demuxer"
1368mxf_d10_muxer_select="mxf_muxer"
24ca518b 1369ogg_demuxer_select="golomb"
647c2356 1370psp_muxer_select="mov_muxer"
4e622dea 1371rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1372rtsp_muxer_deps="sdp_demuxer"
1373rtsp_muxer_select="rtp_muxer"
4e622dea 1374sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1375sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1376spdif_muxer_select="aac_parser"
647c2356
DB
1377tg2_muxer_select="mov_muxer"
1378tgp_muxer_select="mov_muxer"
6bdaa5f4 1379w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1380
1381# indevs / outdevs
38e54a75
SS
1382alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1383alsa_indev_extralibs="-lasound"
1384alsa_outdev_deps="alsa_asoundlib_h"
1385alsa_outdev_extralibs="-lasound"
1386audio_beos_indev_deps="audio_beos"
1387audio_beos_indev_extralibs="-lmedia -lbe"
1388audio_beos_outdev_deps="audio_beos"
1389audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1390bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1391dv1394_indev_deps="dv1394 dv_demuxer"
1392jack_indev_deps="jack_jack_h"
1393jack_indev_extralibs="-ljack"
1394libdc1394_indev_deps="libdc1394"
38e54a75
SS
1395oss_indev_deps_any="soundcard_h sys_soundcard_h"
1396oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1397v4l_indev_deps="linux_videodev_h"
1398v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1399vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1400vfwcap_indev_extralibs="-lavicap32"
38e54a75 1401x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1402x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1403
912f3148 1404# protocols
3fff6382 1405gopher_protocol_deps="network"
c08fb000 1406http_protocol_deps="network"
279a0c97 1407http_protocol_select="tcp_protocol"
cbf29889 1408rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1409rtp_protocol_deps="udp_protocol"
1410tcp_protocol_deps="network"
1411udp_protocol_deps="network"
1412
f7679c54 1413# filters
81124ba0 1414movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1415avfilter_lavf_deps="avformat"
1416
1417# libraries
1418avdevice_deps="avcodec avformat"
1419avformat_deps="avcodec"
f7679c54 1420
912f3148 1421# programs
5a0f7131
MR
1422ffmpeg_deps="avcodec avformat swscale"
1423ffplay_deps="avcodec avformat swscale sdl"
43689902 1424ffplay_select="rdft"
336ce917 1425ffprobe_deps="avcodec avformat"
5a0f7131 1426ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1427ffserver_extralibs='$ldl'
a2830dca 1428
c73f65d9 1429doc_deps="texi2html"
912f3148 1430
de6d9b64 1431# default parameters
8a608357 1432
2ba042a7 1433logfile="config.err"
8a608357
MR
1434
1435# installation paths
c9d19248
MR
1436prefix_default="/usr/local"
1437bindir_default='${prefix}/bin'
14a8acf1 1438datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1439incdir_default='${prefix}/include'
1440libdir_default='${prefix}/lib'
1441mandir_default='${prefix}/share/man'
1442shlibdir_default="$libdir_default"
8a608357
MR
1443
1444# toolchain
11e6d03a 1445ar="ar"
13c7df3d 1446cc_default="gcc"
a3d7c197 1447cc_version=\"unknown\"
9da6609f 1448host_cc_default="gcc"
11e6d03a 1449ln_s="ln -sf"
89641463 1450nm_default="nm"
11e6d03a 1451objformat="elf"
be7109c1 1452ranlib="ranlib"
4f837398 1453strip_default="strip"
11e6d03a 1454yasmexe="yasm"
8a608357 1455
8182dc34
MR
1456nm_opts='-g'
1457
8a608357 1458# machine
8d4c00ed 1459arch_default=$(uname -m)
38d0a8aa 1460cpu="generic"
8a608357 1461
8a608357 1462# OS
8d4c00ed
MR
1463target_os_default=$(tolower $(uname -s))
1464host_os=$target_os_default
8a608357 1465
8a608357 1466# configurable options
5a0f7131
MR
1467enable avcodec
1468enable avdevice
1469enable avformat
dc4f5a1c 1470enable avutil
c8a4ae00 1471enable asm
497237c7 1472enable debug
c73f65d9 1473enable doc
aa033b1e 1474enable fastdiv
497237c7
RP
1475enable ffmpeg
1476enable ffplay
336ce917 1477enable ffprobe
497237c7 1478enable ffserver
497237c7
RP
1479enable mpegaudio_hp
1480enable network
8400d6b8 1481enable optimizations
497237c7 1482enable protocols
530dc538 1483enable static
87a0fb62 1484enable stripping
5a0f7131 1485enable swscale
a9ddb5b1 1486enable swscale_alpha
8a608357 1487
8a608357 1488# build settings
9987769a 1489SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1490FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1491LIBPREF="lib"
1492LIBSUF=".a"
c5f14466
RP
1493FULLNAME='$(NAME)$(BUILDSUF)'
1494LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1495SLIBPREF="lib"
1496SLIBSUF=".so"
c5f14466 1497SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1498SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1499SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1500LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1501
7e6c86e6
MR
1502CC_O='-o $@'
1503
f0125de9 1504host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1505host_libs='-lm'
1506
9b861379 1507target_path='$(CURDIR)'
a7ada2ba 1508
0d7dca36
DB
1509# gcc stupidly only outputs the basename of targets with -MM, but we need the
1510# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1511DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1512DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1513
c597172e 1514# find source path
5e622c40 1515source_path="$(dirname "$0")"
497237c7 1516enable source_path_used
24524f36 1517if test -f configure; then
5e622c40 1518 source_path="$(pwd)"
497237c7 1519 disable source_path_used
c597172e 1520else
5e622c40 1521 source_path="$(cd "$source_path"; pwd)"
c597172e 1522 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1523 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1524 test -e "$source_path/config.h" &&
1525 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1526fi
1527
13cbe2c0 1528for v in "$@"; do
b04251c5
MR
1529 r=${v#*=}
1530 l=${v%"$r"}
1531 r=$(sh_quote "$r")
13cbe2c0
MR
1532 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1533done
c597172e 1534
73ef8980
MR
1535find_things(){
1536 thing=$1
1537 pattern=$2
1538 file=$source_path/$3
932ccf39 1539 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1540}
1541
1542ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1543DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1544HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1545PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1546BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1547MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1548DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1549OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1550INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1551PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1552FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1553
7483e694
DB
1554enable $ARCH_EXT_LIST \
1555 $DECODER_LIST \
1556 $ENCODER_LIST \
5666fd73 1557 $HWACCEL_LIST \
7483e694
DB
1558 $PARSER_LIST \
1559 $BSF_LIST \
1560 $DEMUXER_LIST \
1561 $MUXER_LIST \
f7679c54 1562 $FILTER_LIST \
7483e694
DB
1563 $PROTOCOL_LIST \
1564 $INDEV_LIST \
1565 $OUTDEV_LIST \
c597172e
MR
1566
1567die_unknown(){
1568 echo "Unknown option \"$1\"."
1569 echo "See $0 --help for available options."
1570 exit 1
1571}
1572
794f8e97 1573show_list() {
bf0c4afa
RP
1574 suffix=_$1
1575 shift
2b444ea7 1576 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1577 exit 0
1578}
1579
c597172e 1580for opt do
7483e694
DB
1581 optval="${opt#*=}"
1582 case "$opt" in
0f010b2f 1583 --extra-ldflags=*) add_ldflags $optval
7483e694 1584 ;;
0f010b2f 1585 --extra-libs=*) add_extralibs $optval
7483e694 1586 ;;
8fb1cb58 1587 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1588 ;;
40bcf4c7
BL
1589 --enable-debug=*) debuglevel="$optval"
1590 ;;
36e2dea0
MR
1591 --disable-everything)
1592 map 'eval disable \${$(toupper ${_%s})_LIST}' $COMPONENT_LIST
1593 ;;
7483e694 1594 --enable-*=*|--disable-*=*)
8b93ddc3 1595 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1596 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1597 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1598 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1599 $action $(filter "$name" $list)
7483e694
DB
1600 ;;
1601 --enable-?*|--disable-?*)
5e622c40 1602 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1603 if is_in $option $COMPONENT_LIST; then
fed5d54b 1604 test $action = disable && action=unset
e3773a55
MR
1605 eval $action \$$(toupper ${option%s})_LIST
1606 elif is_in $option $CMDLINE_SELECT; then
1607 $action $option
1608 else
1609 die_unknown $opt
1610 fi
7483e694
DB
1611 ;;
1612 --list-*)
1613 NAME="${opt#--list-}"
1614 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1615 NAME=${NAME%s}
1616 eval show_list $NAME \$$(toupper $NAME)_LIST
1617 ;;
1618 --help|-h) show_help
1619 ;;
1620 *)
884a36a7 1621 optname="${opt%%=*}"
26759c44
MR
1622 optname="${optname#--}"
1623 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1624 if is_in $optname $CMDLINE_SET; then
1625 eval $optname='$optval'
1626 elif is_in $optname $CMDLINE_APPEND; then
1627 append $optname "$optval"
1628 else
1629 die_unknown $opt
1630 fi
7483e694
DB
1631 ;;
1632 esac
c597172e
MR
1633done
1634
bcea99bb
MR
1635disabled logging && logfile=/dev/null
1636
13cbe2c0 1637echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1638set >> $logfile
1639
9da6609f
MR
1640test -n "$cross_prefix" && enable cross_compile
1641
8d4c00ed
MR
1642if enabled cross_compile; then
1643 test -n "$arch" && test -n "$target_os" ||
1644 die "Must specify target arch and OS when cross-compiling"
1645fi
1646
1647set_default arch target_os
1648
adb2b908 1649ar="${cross_prefix}${ar}"
11e6d03a 1650cc_default="${cross_prefix}${cc_default}"
20e0ed95 1651nm_default="${cross_prefix}${nm_default}"
adb2b908 1652ranlib="${cross_prefix}${ranlib}"
4f837398 1653strip_default="${cross_prefix}${strip_default}"
adb2b908 1654
c5200f17
MR
1655sysinclude_default="${sysroot}/usr/include"
1656
4f837398 1657set_default cc nm strip sysinclude
9da6609f
MR
1658enabled cross_compile || host_cc_default=$cc
1659set_default host_cc
13c7df3d 1660
82bb3329
MR
1661exesuf() {
1662 case $1 in
1663 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1664 esac
1665}
1666
1667EXESUF=$(exesuf $target_os)
1668HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1669
e4e69e0b 1670# set temporary file name
a49d42c2 1671: ${TMPDIR:=$TEMPDIR}
c51fafa1 1672: ${TMPDIR:=$TMP}
a49d42c2 1673: ${TMPDIR:=/tmp}
e4e69e0b 1674
54460a83
MR
1675if ! check_cmd type mktemp; then
1676 # simple replacement for missing mktemp
1677 # NOT SAFE FOR GENERAL USE
1678 mktemp(){
1679 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1680 }
1681fi
1682
1683tmpfile(){
1684 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1685 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1686 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1687 append TMPFILES $tmp
1688 eval $1=$tmp
1689}
1690
1691trap 'rm -f -- $TMPFILES' EXIT
1692trap exit HUP INT TERM
1693
1694tmpfile TMPC .c
1695tmpfile TMPE $EXESUF
1696tmpfile TMPH .h
1697tmpfile TMPO .o
1698tmpfile TMPS .S
a482e61b 1699tmpfile TMPV .ver
54460a83
MR
1700tmpfile TMPSH .sh
1701
1702unset -f mktemp
e4e69e0b 1703
993f2d0f
MR
1704# make sure we can execute files in $TMPDIR
1705cat > $TMPSH 2>> $logfile <<EOF
1706#! /bin/sh
1707EOF
1708chmod +x $TMPSH >> $logfile 2>&1
1709if ! $TMPSH >> $logfile 2>&1; then
1710 cat <<EOF
1711Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1712variable to another directory and make sure that it is not mounted noexec.
1713EOF
1714 die "Sanity test failed."
1715fi
993f2d0f 1716
19b4c628
MR
1717filter_cflags=echo
1718filter_cppflags=echo
1719filter_asflags=echo
1720
8f0c157a 1721if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1722 cc_type=gcc
a3d7c197 1723 cc_version=__VERSION__
aef6bd1b
MR
1724 if ! $cc -dumpversion | grep -q '^2\.'; then
1725 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1726 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1727 fi
14ca9cd0
MR
1728 speed_cflags='-O3'
1729 size_cflags='-Os'
629687f6
MR
1730elif $cc --version 2>/dev/null | grep -q Intel; then
1731 cc_type=icc
6e3fa35d 1732 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1733 CC_DEPFLAGS='-MMD'
1734 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1735 speed_cflags='-O3'
1736 size_cflags='-Os'
629687f6
MR
1737elif $cc -v 2>&1 | grep -q xlc; then
1738 cc_type=xlc
6e3fa35d 1739 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1740 speed_cflags='-O5'
1741 size_cflags='-O5 -qcompact'
df442a8d
MR
1742elif $cc -V 2>/dev/null | grep -q Compaq; then
1743 cc_type=ccc
6e3fa35d 1744 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1745 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1746 debuglevel=3
df442a8d 1747 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1748 speed_cflags='-fast'
1749 size_cflags='-O1'
6a0d5493 1750elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1751 test -d "$sysroot" || die "No valid sysroot specified."
1752 cc_type=armcc
6e3fa35d 1753 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1754 armcc_conf="$PWD/armcc.conf"
1755 $cc --arm_linux_configure \
1756 --arm_linux_config_file="$armcc_conf" \
1757 --configure_sysroot="$sysroot" \
1758 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1759 die "Error creating armcc configuration file."
1760 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1761 as_default="${cross_prefix}gcc"
07dec06e
MR
1762 CC_DEPFLAGS='-MMD'
1763 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1764 speed_cflags='-O3'
1765 size_cflags='-Os'
6fec122a
MR
1766elif $cc -version 2>/dev/null | grep -q TMS470; then
1767 cc_type=tms470
6e3fa35d 1768 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1769 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1770 CC_O='-fr=$(@D)'
1771 as_default="${cross_prefix}gcc"
1772 ld_default="${cross_prefix}gcc"
6fec122a
MR
1773 TMPO=$(basename $TMPC .c).o
1774 append TMPFILES $TMPO
1775 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1776 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1777 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1778 speed_cflags='-O3 -mf=5'
1779 size_cflags='-O3 -mf=2'
6fec122a
MR
1780 filter_cflags=tms470_flags
1781 tms470_flags(){
1782 for flag; do
1783 case $flag in
1784 -march=*|-mcpu=*)
1785 case "${flag#*=}" in
1786 armv7-a|cortex-a*) echo -mv=7a8 ;;
1787 armv7-r|cortex-r*) echo -mv=7r4 ;;
1788 armv7-m|cortex-m*) echo -mv=7m3 ;;
1789 armv6*|arm11*) echo -mv=6 ;;
1790 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1791 echo -mv=5e ;;
1792 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1793 esac
1794 ;;
1795 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1796 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1797 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1798 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1799 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1800 -g) echo -g -mn ;;
587d24ff 1801 -pds=*) echo $flag ;;
6fec122a
MR
1802 esac
1803 done
1804 }
06da6943
DC
1805elif $cc -v 2>&1 | grep -q clang; then
1806 cc_type=clang
1807 cc_version=__VERSION__
1808 CC_DEPFLAGS='-MMD'
1809 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1810 speed_cflags='-O3'
1811 size_cflags='-Os'
2a472e9c
MK
1812elif $cc -V 2>&1 | grep -q Sun; then
1813 cc_type=suncc
1814 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1815 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1816 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1817 speed_cflags='-O5'
1818 size_cflags='-O5 -xspace'
03279bbe
MK
1819 filter_cflags=suncc_flags
1820 suncc_flags(){
1821 for flag; do
1822 case $flag in
1823 -march=*|-mcpu=*)
1824 case "${flag#*=}" in
1825 native) echo -xtarget=native ;;
1826 v9) echo -xarch=sparc ;;
1827 ultrasparc) echo -xarch=sparcvis ;;
1828 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1829 i586|pentium) echo -xchip=pentium ;;
1830 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1831 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1832 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1833 pentium4*) echo -xtarget=pentium4 ;;
1834 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1835 *-sse3) echo -xarch=sse3 ;;
1836 core2) echo -xarch=ssse3 -xchip=core2 ;;
1837 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1838 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1839 k8|opteron|athlon64|athlon-fx)
1840 echo -xarch=sse2a ;;
1841 athlon*) echo -xarch=pentium_proa ;;
1842 esac
1843 ;;
1844 -std=c99) echo -xc99 ;;
1845 -fomit-frame-pointer) echo -xregs=frameptr ;;
1846 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1847 -W*,*) echo $flag ;;
1848 -f*-*|-W*) ;;
1849 *) echo $flag ;;
1850 esac
1851 done
1852 }
629687f6
MR
1853fi
1854
1855test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1856
75bafbac 1857: ${as_default:=$cc}
50567afa 1858: ${dep_cc_default:=$cc}
684b28e0 1859: ${ld_default:=$cc}
50567afa 1860set_default as dep_cc ld
75800dce 1861
07dec06e
MR
1862test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1863test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1864
7f32f40c 1865add_cflags $extra_cflags
2f2e6c7c 1866add_asflags $extra_cflags
7f32f40c 1867
154d432c
MR
1868if test -n "$sysroot"; then
1869 case "$cc_type" in
1870 gcc)
467256f2 1871 add_cppflags --sysroot="$sysroot"
154d432c
MR
1872 add_ldflags --sysroot="$sysroot"
1873 ;;
6fec122a
MR
1874 tms470)
1875 add_cppflags -I"$sysinclude"
1876 add_ldflags --sysroot="$sysroot"
1877 ;;
06da6943 1878 clang)
4def700e
DC
1879 add_cppflags -isysroot "$sysroot"
1880 add_ldflags -isysroot "$sysroot"
06da6943 1881 ;;
154d432c
MR
1882 esac
1883fi
1884
d22c13a8
MR
1885if test "$cpu" = host; then
1886 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1887
1888 case "$cc_type" in
1889 gcc)
1890 check_native(){
1891 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1892 sed -n "/$1=/{
1893 s/.*$1=\\([^ ]*\\).*/\\1/
1894 p
1895 q
1896 }" $TMPE
d22c13a8
MR
1897 }
1898 cpu=$(check_native -march || check_native -mcpu)
1899 ;;
1900 esac
1901
1902 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1903fi
1904
e939cedd
MR
1905# Deal with common $arch aliases
1906case "$arch" in
1907 arm*)
1908 arch="arm"
1909 ;;
1910 mips|mipsel|IP*)
1911 arch="mips"
1912 ;;
47b1860e 1913 mips64*)
e939cedd
MR
1914 arch="mips"
1915 subarch="mips64"
1916 ;;
1917 parisc|hppa)
1918 arch="parisc"
1919 ;;
1920 parisc64|hppa64)
1921 arch="parisc"
1922 subarch="parisc64"
1923 ;;
1924 "Power Macintosh"|ppc|powerpc)
1925 arch="ppc"
1926 ;;
47b1860e 1927 ppc64|powerpc64)
e939cedd
MR
1928 arch="ppc"
1929 subarch="ppc64"
1930 ;;
1931 s390|s390x)
1932 arch="s390"
1933 ;;
1934 sh4|sh)
1935 arch="sh4"
1936 ;;
1937 sun4u|sparc64)
1938 arch="sparc"
1939 subarch="sparc64"
1940 ;;
1941 i[3-6]86|i86pc|BePC|x86_64|amd64)
1942 arch="x86"
1943 ;;
1944esac
1945
1946is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1947enable $arch
e939cedd 1948
df5cdc24 1949# Add processor-specific flags
5d54c126
MR
1950if test "$cpu" = generic; then
1951 : do nothing
1952elif enabled ppc; then
343aef9b 1953
56348891
MR
1954 case $(tolower $cpu) in
1955 601|ppc601|powerpc601)
9dbd5c3d 1956 cpuflags="-mcpu=601"
64ad53ff 1957 disable altivec
9dbd5c3d 1958 ;;
56348891 1959 603*|ppc603*|powerpc603*)
9dbd5c3d 1960 cpuflags="-mcpu=603"
64ad53ff 1961 disable altivec
9dbd5c3d 1962 ;;
56348891 1963 604*|ppc604*|powerpc604*)
9dbd5c3d 1964 cpuflags="-mcpu=604"
64ad53ff 1965 disable altivec
9dbd5c3d 1966 ;;
56348891 1967 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1968 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1969 disable altivec
9dbd5c3d 1970 ;;
56348891 1971 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1972 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1973 ;;
56348891 1974 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1975 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1976 ;;
56348891 1977 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1978 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1979 ;;
56348891 1980 cell)
9dbd5c3d
MR
1981 cpuflags="-mcpu=cell"
1982 enable ldbrx
1983 ;;
7b0b81a1
AL
1984 e500v2)
1985 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1986 disable altivec
1987 ;;
1988 e500)
1989 cpuflags="-mcpu=8540 -mhard-float"
1990 disable altivec
1991 ;;
9dbd5c3d 1992 esac
343aef9b
MR
1993
1994elif enabled x86; then
1995
9dbd5c3d
MR
1996 case $cpu in
1997 i[345]86|pentium)
1998 cpuflags="-march=$cpu"
1999 disable mmx
2000 ;;
2001 # targets that do NOT support conditional mov (cmov)
2002 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2003 cpuflags="-march=$cpu"
2004 disable cmov
2005 ;;
2006 # targets that do support conditional mov (cmov)
2007 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2008 cpuflags="-march=$cpu"
2009 enable cmov
2010 enable fast_cmov
2011 ;;
2012 # targets that do support conditional mov but on which it's slow
2013 pentium4|pentium4m|prescott|nocona)
2014 cpuflags="-march=$cpu"
2015 enable cmov
2016 disable fast_cmov
2017 ;;
2018 esac
343aef9b
MR
2019
2020elif enabled sparc; then
2021
9dbd5c3d
MR
2022 case $cpu in
2023 sparc64)
2024 cpuflags="-mcpu=v9"
2025 ;;
2026 esac
343aef9b
MR
2027
2028elif enabled arm; then
2029
34ba23c9
MR
2030 case $cpu in
2031 armv*)
2032 cpuflags="-march=$cpu"
2033 ;;
2034 *)
2035 cpuflags="-mcpu=$cpu"
2036 ;;
2037 esac
343aef9b
MR
2038
2039elif enabled alpha; then
2040
34ba23c9 2041 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2042
2043elif enabled bfin; then
2044
34ba23c9 2045 cpuflags="-mcpu=$cpu"
343aef9b
MR
2046
2047elif enabled mips; then
2048
34ba23c9 2049 cpuflags="-march=$cpu"
343aef9b
MR
2050
2051elif enabled avr32; then
2052
9dbd5c3d
MR
2053 case $cpu in
2054 ap7[02]0[0-2])
2055 subarch="avr32_ap"
2056 cpuflags="-mpart=$cpu"
2057 ;;
2058 ap)
2059 subarch="avr32_ap"
2060 cpuflags="-march=$cpu"
2061 ;;
2062 uc3[ab]*)
2063 subarch="avr32_uc"
2064 cpuflags="-mcpu=$cpu"
2065 ;;
2066 uc)
2067 subarch="avr32_uc"
2068 cpuflags="-march=$cpu"
2069 ;;
2070 esac
df5cdc24 2071
343aef9b
MR
2072fi
2073
df5cdc24
MR
2074add_cflags $cpuflags
2075add_asflags $cpuflags
2076
993f2d0f
MR
2077# compiler sanity check
2078check_exec <<EOF
2079int main(void){ return 0; }
2080EOF
2081if test "$?" != 0; then
2082 echo "$cc is unable to create an executable file."
2083 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2084 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2085 echo "Only do this if you know what cross compiling means."
2086 fi
2087 die "C compiler test failed."
2088fi
2089
38a9c529 2090add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2091check_cflags -std=c99
50a334e4 2092check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2093#include <stdlib.h>
2094EOF
50a334e4 2095check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2096#include <stdlib.h>
2097EOF
e9b9a2f8 2098
f0125de9
MR
2099check_host_cflags -std=c99
2100
b24dbcbd 2101case "$arch" in
e939cedd 2102 alpha|ia64|mips|parisc|sparc)
8a3c8627 2103 spic=$shared
b24dbcbd 2104 ;;
e939cedd 2105 x86)
cfdb6148 2106 subarch="x86_32"
e939cedd 2107 check_cc <<EOF && subarch="x86_64"
58b3536d 2108 int test[(int)sizeof(char*) - 7];
cfdb6148 2109EOF
de27f4d9 2110 if test "$subarch" = "x86_64"; then
e939cedd 2111 spic=$shared
de27f4d9 2112 fi
b24dbcbd 2113 ;;
b24dbcbd
RP
2114esac
2115
343aef9b 2116enable $subarch
8a3c8627 2117enabled spic && enable pic
5755bc88 2118check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2119
7483e694 2120# OS specific
4f854758 2121case $target_os in
7483e694 2122 beos|haiku|zeta)
c9d19248 2123 prefix_default="$HOME/config"
7483e694 2124 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2125 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2126 case "$gcc_version" in
2127 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2128 disable mmx
2129 ;;
2130 *20010315*) echo "BeBits gcc"
0f010b2f 2131 add_cflags -fno-expensive-optimizations
7483e694
DB
2132 ;;
2133 esac
7483e694
DB
2134 SHFLAGS=-nostart
2135 # enable BeOS things
2136 enable audio_beos
2137 # no need for libm, but the inet stuff
2138 # Check for BONE
2139 # XXX: actually should check for NOT net_server
78fe7631 2140 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2141 network_extralibs="-lbind -lsocket"
2142 else
2143 enable beos_netserver
2144 network_extralibs="-lnet"
2145 fi ;;
2146 sunos)
2147 FFSERVERLDFLAGS=""
9987769a 2148 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2149 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2150 network_extralibs="-lsocket -lnsl"
50a334e4 2151 add_cppflags -D__EXTENSIONS__
8182dc34 2152 nm_opts='-P -g'
7483e694
DB
2153 ;;
2154 netbsd)
07a8eef6
MR
2155 oss_indev_extralibs="-lossaudio"
2156 oss_outdev_extralibs="-lossaudio"
2138dc99 2157 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2158 ;;
2159 openbsd)
89e053f8 2160 enable malloc_aligned
7c4a001a
MR
2161 # On OpenBSD 4.5. the compiler does not use PIC unless
2162 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2163 # however the generated executable will not do anything
2164 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2165 # Thus explicitly enable PIC here.
cd78208b 2166 enable pic
7483e694 2167 SHFLAGS='-shared'
07a8eef6
MR
2168 oss_indev_extralibs="-lossaudio"
2169 oss_outdev_extralibs="-lossaudio"
7483e694 2170 ;;
90b4f091 2171 freebsd|dragonfly)
89e053f8 2172 enable malloc_aligned
7483e694
DB
2173 ;;
2174 bsd/os)
2175 osextralibs="-lpoll -lgnugetopt"
2176 strip="strip -d"
2177 ;;
2178 darwin)
89e053f8 2179 enable malloc_aligned
0138c54e 2180 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2181 strip="strip -x"
2182 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2183 SLIBSUF=".dylib"
2184 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2185 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2186 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2187 objformat="macho"
1b0f6fb8 2188 enabled x86_64 && objformat="macho64"
8dfa86f7 2189 enabled_any pic shared ||
2704bd1a 2190 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2191 ;;
2192 mingw32*)
9d3f4f50 2193 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2194 disable network
2195 else
2196 target_os=mingw32
2197 fi
dcc01c06 2198 LIBTARGET=i386
1fc9fb8a 2199 if enabled x86_64; then
89e053f8 2200 enable malloc_aligned
dcc01c06 2201 LIBTARGET=x64
336cc1b0
MS
2202 elif enabled arm; then
2203 LIBTARGET=arm
dcc01c06 2204 fi
fbd971a4 2205 shlibdir_default="$bindir_default"
7483e694
DB
2206 disable ffserver
2207 SLIBPREF=""
2208 SLIBSUF=".dll"
7483e694
DB
2209 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2210 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2211 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2212 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2213 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2214 install -d "$(LIBDIR)"; \
2215 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2216 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2217 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2218 objformat="win32"
bc574408 2219 enable dos_paths
1894e741 2220 check_cflags -fno-common
b1549d61 2221 if ! enabled x86_64; then
f7ad5aa2
RP
2222 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2223 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2224 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2225 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2226 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2227 fi
7483e694
DB
2228 ;;
2229 cygwin*)
4f854758 2230 target_os=cygwin
fbd971a4 2231 shlibdir_default="$bindir_default"
7483e694
DB
2232 SLIBPREF="cyg"
2233 SLIBSUF=".dll"
2234 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2235 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2236 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2237 objformat="win32"
bc574408 2238 enable dos_paths
1894e741 2239 check_cflags -fno-common
7483e694 2240 ;;
4f365f37 2241 *-dos|freedos|opendos)
fdf11906 2242 disable ffplay ffserver
4f365f37
MK
2243 disable $INDEV_LIST $OUTDEV_LIST
2244 network_extralibs="-lsocket"
ff1c015d 2245 objformat="coff"
bc574408 2246 enable dos_paths
4f365f37 2247 ;;
7483e694 2248 linux)
7483e694
DB
2249 enable dv1394
2250 ;;
2251 irix*)
4f854758 2252 target_os=irix
7483e694
DB
2253 ranlib="echo ignoring ranlib"
2254 ;;
d22e8442 2255 os/2*)
d22e8442
DY
2256 strip="lxlite"
2257 ln_s="cp -f"
d22e8442 2258 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2259 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2260 FFSERVERLDFLAGS=""
287d3b13 2261 LIBSUF="_s.a"
d22e8442
DY
2262 SLIBPREF=""
2263 SLIBSUF=".dll"
2264 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2265 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2266 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2267 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2268 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2269 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2270 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2271 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2272 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2273 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2274 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2275 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2276 enable dos_paths
d22e8442 2277 ;;
83993c1c
AM
2278 gnu/kfreebsd)
2279 ;;
34e82167 2280 gnu)
34e82167 2281 ;;
614d8911
MR
2282 none)
2283 ;;
7483e694 2284 *)
4f924f9a 2285 die "Unknown OS '$target_os'."
7483e694
DB
2286 ;;
2287esac
2288
c9d19248
MR
2289set_default $PATHS_LIST
2290
c597172e 2291add_extralibs $osextralibs
de6d9b64 2292
28d8e661
DB
2293# Combine FFLDFLAGS and the LDFLAGS environment variable.
2294LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2295
320d060a 2296# we need to build at least one lib type
93b3c083 2297if ! enabled_any static shared; then
320d060a
DB
2298 cat <<EOF
2299At least one library type must be built.
2300Specify --enable-static to build the static libraries or --enable-shared to
2301build the shared libraries as well. To only build the shared libraries specify
2302--disable-static in addition to --enable-shared.
2303EOF
2304 exit 1;
2305fi
2306
abc4e572 2307disabled static && LIBNAME=""
2a320695 2308
a2234ceb
RP
2309if enabled_any libfaad libfaadbin ; then
2310 if check_header faad.h; then
295b8c70 2311 check_cc <<EOF
a2234ceb
RP
2312#include <faad.h>
2313#ifndef FAAD2_VERSION
2314ok faad1
2315#endif
db817cf3 2316int main(void) { return 0; }
a2234ceb
RP
2317EOF
2318 test $? = 0 && enable libfaad2
2319 else
ff3dac65 2320 die "FAAD test failed."
a2234ceb
RP
2321 fi
2322fi
2323
2324
2184c6f7 2325die_license_disabled() {
4c27207c 2326 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2327}
2328
2329die_license_disabled gpl libfaad2
2330die_license_disabled gpl libx264
2331die_license_disabled gpl libxvid
2332die_license_disabled gpl postproc
2333die_license_disabled gpl x11grab
2334
2f7ae63b 2335die_license_disabled nonfree libfaac
b2e3c528 2336
0b175caa
DB
2337die_license_disabled version3 libopencore_amrnb
2338die_license_disabled version3 libopencore_amrwb
2339
9cad0e4e 2340enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2341
9eeed841 2342check_deps $ARCH_EXT_LIST
0f3cb305 2343
40617a6d 2344disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2345
e276d9e8
MR
2346enable_pic() {
2347 enable pic
bce7b696
MR
2348 add_cppflags -DPIC
2349 add_cflags -fPIC
2350 add_asflags -fPIC
e276d9e8
MR
2351}
2352
2353enabled pic && enable_pic
bce7b696 2354
b4d96ba2
MR
2355check_cc <<EOF || die "Symbol mangling check failed."
2356int ff_extern;
2357EOF
8182dc34 2358sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2359extern_prefix=${sym%%ff_extern*}
2360
f65883c8
MR
2361check_cc <<EOF && enable inline_asm
2362void foo(void) { __asm__ volatile ("" ::); }
2363EOF
61d251db 2364
df5e3978
MR
2365_restrict=
2366for restrict_keyword in restrict __restrict__ __restrict; do
2367 check_cc <<EOF && _restrict=$restrict_keyword && break
2368void foo(char * $restrict_keyword p);
2369EOF
2370done
2371
2372check_cc <<EOF && enable attribute_packed
2373struct { int x; } __attribute__((packed)) x;
2374EOF
2375
dffb41b9
MR
2376check_cc <<EOF && enable attribute_may_alias
2377union { int x; } __attribute__((may_alias)) x;
2378EOF
2379
df5e3978
MR
2380check_cc <<EOF || die "endian test failed"
2381unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2382EOF
48fc536a 2383od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2384
e939cedd
MR
2385if enabled alpha; then
2386
2387 check_cflags -mieee
2388
2389elif enabled arm; then
e45391bb 2390
50fa82e6
MR
2391 check_cflags -marm
2392
fa0912fe
MR
2393 check_ld <<EOF && enable vfp_args
2394__asm__ (".eabi_attribute 28, 1");
2395int main(void) { return 0; }
2396EOF
2397
2398 # We have to check if pld is a nop and disable it.
2399 check_asm pld '"pld [r0]"'
2400
2401 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2402 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2403 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2404 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2405 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2406 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2407
e276d9e8
MR
2408 enabled_all armv6t2 shared !pic && enable_pic
2409
e939cedd
MR
2410elif enabled ia64; then
2411
2412 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2413 enabled shared && enable_weak hardcoded_tables
2414
fa0912fe 2415elif enabled mips; then
e45391bb 2416
fa0912fe
MR
2417 check_asm loongson '"dmult.g $1, $2, $3"'
2418 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2419
fa0912fe 2420elif enabled ppc; then
e45391bb 2421
e6a0c354
MR
2422 enable local_aligned_8 local_aligned_16
2423
fa0912fe
MR
2424 check_asm dcbzl '"dcbzl 0, 1"'
2425 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2426 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2427
2428 # AltiVec flags: The FSF version of GCC differs from the Apple version
2429 if enabled altivec; then
2430 check_cflags -maltivec -mabi=altivec &&
2431 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2432 check_cflags -faltivec
2433
2434 # check if our compiler supports Motorola AltiVec C API
2435 check_cc <<EOF || disable altivec
2436$inc_altivec_h
2437int main(void) {
2438 vector signed int v1, v2, v3;
2439 v1 = vec_add(v2,v3);
2440 return 0;
2441}
2442EOF
2443
2444 # check if our compiler supports braces for vector declarations
2445 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2446$inc_altivec_h
2447int main (void) { (vector int) {1}; return 0; }
2448EOF
2449 fi
e45391bb 2450
fa0912fe 2451elif enabled sparc; then
e45391bb 2452
fa0912fe
MR
2453 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2454 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2455
fa0912fe 2456elif enabled x86; then
e45391bb 2457
e6a0c354
MR
2458 enable local_aligned_8 local_aligned_16
2459
44965991
PI
2460 # check whether EBP is available on x86
2461 # As 'i' is stored on the stack, this program will crash
2462 # if the base pointer is used to access it because the
2463 # base pointer is cleared in the inline assembly code.
7dfef245 2464 check_exec_crash <<EOF && enable ebp_available
44965991 2465 volatile int i=0;
be449fca 2466 __asm__ volatile (
44965991
PI
2467 "xorl %%ebp, %%ebp"
2468 ::: "%ebp");
2469 return i;
44965991
PI
2470EOF
2471
f494213c 2472 # check whether EBX is available on x86
7cee5421
MR
2473 check_asm ebx_available '""::"b"(0)' &&
2474 check_asm ebx_available '"":::"%ebx"'
8e380710 2475
d3a4b4e0
DB
2476 # check whether more than 10 operands are supported
2477 check_cc <<EOF && enable ten_operands
2478int main(void) {
2479 int x=0;
2480 __asm__ volatile(
2481 ""
2482 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2483 );
2484 return 0;
2485}
2486EOF
2487
d7f0920b 2488 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2489 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2490 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2491
2492 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2493
d52481b9 2494 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2495 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2496 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2497 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2498 case "$objformat" in
2499 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2500 esac
7595a5e4 2501 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2502
669b5583
MR
2503 case "$cpu" in
2504 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2505 disable fast_clz
2506 ;;
2507 esac
2508
44965991
PI
2509fi
2510
a98bb16d
RP
2511if check_func dlopen; then
2512 ldl=
2513elif check_func dlopen -ldl; then
2514 ldl=-ldl
8bf5d58f
MN
2515fi
2516
75ecf149
DB
2517# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2518check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2519
7483e694 2520check_func fork
84882df6 2521check_func getaddrinfo $network_extralibs
7483e694
DB
2522check_func gethrtime
2523check_func getrusage
fc5607f8 2524check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2525check_func inet_aton $network_extralibs
abfc8d05 2526check_func isatty
4ae40685 2527check_func ${malloc_prefix}memalign && enable memalign
7483e694 2528check_func mkstemp
4ae40685 2529check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2530check_func setrlimit
b507ebd1 2531check_func_headers io.h setmode
e4673692 2532check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2533check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2534check_func_headers windows.h GetProcessTimes
7c5bfe7a 2535check_func_headers windows.h VirtualAlloc
6ffa87d3 2536
e16e49ac 2537check_header conio.h
a98bb16d 2538check_header dlfcn.h
92c6a099 2539check_header dxva2api.h
a98bb16d 2540check_header malloc.h
bf6ce82d 2541check_header poll.h
b58412f1 2542check_header sys/mman.h
b091aa44 2543check_header sys/resource.h
bf6ce82d 2544check_header sys/select.h
a98bb16d 2545check_header termios.h
272081b0
CEH
2546check_header vdpau/vdpau.h
2547check_header vdpau/vdpau_x11.h
68178ca9 2548check_header X11/extensions/XvMClib.h
a98bb16d 2549
9104cd51
RP
2550check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2551
89e053f8
MR
2552if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2553 enabled_any $need_memalign ; then
1f91cdce 2554 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2555fi
e16e49ac 2556
a4fa192c 2557disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2558disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2559
2560# check for some common methods of building with pthread support
2561# do this before the optional library checks as some of them require pthreads
2562if enabled pthreads; then
9e7fd101
MR
2563 if check_func pthread_create; then
2564 :
2565 elif check_func pthread_create -pthread; then
2566 add_cflags -pthread
afc9aee2 2567 add_extralibs -pthread
9e7fd101
MR
2568 elif check_func pthread_create -pthreads; then
2569 add_cflags -pthreads
afc9aee2 2570 add_extralibs -pthreads
8d94f606
GT
2571 elif check_func pthread_create -lpthreadGC2; then
2572 add_extralibs -lpthreadGC2
9e7fd101
MR
2573 elif ! check_lib pthread.h pthread_create -lpthread; then
2574 die "ERROR: can't find pthreads library"
2575 fi
57bd82d4
MR
2576fi
2577
8eee7025 2578for thread in $THREADS_LIST; do
e5f94c2b 2579 if enabled $thread; then
3ae3b721
RP
2580 test -n "$thread_type" &&
2581 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2582 thread_type="$thread"
e5f94c2b
RP
2583 fi
2584done
2585
fdf88598 2586check_lib math.h sin -lm
ff418735 2587check_lib va/va.h vaInitialize -lva
fdf88598 2588
645d2652
MR
2589check_mathfunc exp2
2590check_mathfunc exp2f
2591check_mathfunc llrint
2592check_mathfunc log2
2593check_mathfunc log2f
2594check_mathfunc lrint
2595check_mathfunc lrintf
2596check_mathfunc round
2597check_mathfunc roundf
2598check_mathfunc truncf
f32adb22 2599
57bd82d4 2600# these are off by default, so fail if requested and not available
a1b3c5a3 2601enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2602enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2603 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2604 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2605enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2606enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2607enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2608enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2609enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2610enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2611enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2612enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2613enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2614 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2615enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2616enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2617enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2618enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2619 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2620 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2621enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2622enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2623
0b4a1821
AS
2624# libdc1394 check
2625if enabled libdc1394; then
2626 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2627 enable libdc1394_2; } ||
2628 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2629 enable libdc1394_1; } ||
2630 die "ERROR: No version of libdc1394 found "
2631fi
2632
6a1a892f 2633SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2634if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2635 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2636 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2637 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2638 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2639 enable sdl &&
2640 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2641fi
57bd82d4 2642
2270b4b2 2643texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2644
73b46a95 2645if enabled network; then
96000432 2646 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2647 check_type netdb.h "struct addrinfo"
b4d68544
MS
2648 check_type netinet/in.h "struct ipv6_mreq"
2649 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2650 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2651 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2652 # Prefer arpa/inet.h over winsock2
2653 if check_header arpa/inet.h ; then
2654 check_func closesocket
2655 elif check_header winsock2.h ; then
f4c13872
MS
2656 check_func_headers winsock2.h closesocket -lws2 && \
2657 network_extralibs="-lws2" || \
2658 { check_func_headers winsock2.h closesocket -lws2_32 && \
2659 network_extralibs="-lws2_32"; }
72be9e73 2660 check_type ws2tcpip.h socklen_t
c0018613 2661 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2662 check_type ws2tcpip.h "struct ipv6_mreq"
2663 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2664 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2665 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2666 else
2667 disable network
73b46a95
RP
2668 fi
2669fi
2670
06e31011
RP
2671check_header linux/videodev.h
2672check_header linux/videodev2.h
1b6e8b73 2673check_header sys/videoio.h
47f38850 2674
27796dc3 2675check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2676
f8aa696f 2677# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2678{ check_header dev/bktr/ioctl_meteor.h &&
2679 check_header dev/bktr/ioctl_bt848.h; } ||
2680{ check_header machine/ioctl_meteor.h &&
2681 check_header machine/ioctl_bt848.h; } ||
2682{ check_header dev/video/meteor/ioctl_meteor.h &&
2683 check_header dev/video/bktr/ioctl_bt848.h; } ||
2684check_header dev/ic/bt8xx.h
f8aa696f 2685
c7682de0
RP
2686check_header sys/soundcard.h
2687check_header soundcard.h
deb29777 2688
b6f3d925 2689enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2690
0e57fe17 2691enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2692
56a059ac 2693enabled x11grab &&
f58f4ce1
GP
2694check_header X11/Xlib.h &&
2695check_header X11/extensions/XShm.h &&
0a045661 2696check_header X11/extensions/Xfixes.h &&
f58f4ce1 2697check_func XOpenDisplay -lX11 &&
781c1aa6
R
2698check_func XShmCreateImage -lX11 -lXext &&
2699check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2700
598ef02b 2701if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2702check_cpp_condition \
2703 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2704 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2705 disable vdpau; }
abf649c7 2706fi
deda2a4a 2707
95e561ec 2708enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2709
2710# add some useful compiler flags if supported
2711check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2712check_cflags -Wall
2713check_cflags -Wno-switch
c07bd6a9
MN
2714check_cflags -Wdisabled-optimization
2715check_cflags -Wpointer-arith
2716check_cflags -Wredundant-decls
cc1fb623 2717check_cflags -Wno-pointer-sign
f4929996 2718check_cflags -Wcast-qual
9aceb3cf 2719check_cflags -Wwrite-strings
652a5bf6 2720check_cflags -Wtype-limits
764551c6 2721check_cflags -Wundef
fc298fd9 2722check_cflags -Wmissing-prototypes
5af4e0cc 2723enabled extra_warnings && check_cflags -Winline
cf9d24ad 2724
57bd82d4 2725# add some linker flags
5c0e9479 2726check_ldflags -Wl,--warn-common
8351d2ba
DB
2727check_ldflags -Wl,--as-needed
2728check_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 2729check_ldflags -Wl,-Bsymbolic
94a3401e 2730
a482e61b
MR
2731echo "X{};" > $TMPV
2732test_ldflags -Wl,--version-script,$TMPV &&
2733 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2734
bd2216e4 2735if enabled small; then
14ca9cd0 2736 add_cflags $size_cflags
8400d6b8
DB
2737 optimizations="small"
2738elif enabled optimizations; then
14ca9cd0 2739 add_cflags $speed_cflags
cddf3f45 2740fi
11fdbc44 2741check_cflags -fno-math-errno
b2eb2ff0 2742check_cflags -fno-signed-zeros
cddf3f45 2743
629687f6 2744if enabled icc; then
b1598b58
MR
2745 # Just warnings, no remarks
2746 check_cflags -w1
2747 # -wd: Disable following warnings
2748 # 144, 167, 556: -Wno-pointer-sign
2749 # 10006: ignoring unknown option -fno-signed-zeros
2750 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2751 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2752 # 11030: Warning unknown option --as-needed
2753 # 10156: ignoring option '-export'; no argument required
2754 check_ldflags -wd10156,11030
2755 # Allow to compile with optimizations
2756 check_ldflags -march=$cpu
be2cf98a
CEH
2757 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2758 enable ebp_available
df442a8d
MR
2759elif enabled ccc; then
2760 # disable some annoying warnings
2761 add_cflags -msg_disable cvtu32to64
2762 add_cflags -msg_disable embedcomment
2763 add_cflags -msg_disable needconstext
2764 add_cflags -msg_disable nomainieee
2765 add_cflags -msg_disable ptrmismatch1
2766 add_cflags -msg_disable unreachcode
973859f5
MR
2767elif enabled gcc; then
2768 check_cflags -fno-tree-vectorize
62df111c 2769 check_cflags -Werror=implicit
de63bfec 2770 check_cflags -Werror=missing-prototypes
06da6943
DC
2771elif enabled clang; then
2772 check_cflags -Qunused-arguments
138132be
MR
2773elif enabled armcc; then
2774 # 2523: use of inline assembler is deprecated
2775 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2776 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2777elif enabled tms470; then
2778 add_cflags -pds=824 -pds=837
504a64b9
CEH
2779fi
2780
90be59ef 2781if enabled gprof; then
0f010b2f
DB
2782 add_cflags -p
2783 add_ldflags -p
1db54e20
DB
2784fi
2785
7f3c02fc 2786# Find out if the .align argument is a power of two or not.
9377b6ce 2787check_asm asmalign_pot '".align 3"'
4454dc1b 2788
7483e694
DB
2789enabled_any $DECODER_LIST && enable decoders
2790enabled_any $ENCODER_LIST && enable encoders
5666fd73 2791enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2792enabled_any $BSF_LIST && enable bsfs
2793enabled_any $DEMUXER_LIST && enable demuxers
2794enabled_any $MUXER_LIST && enable muxers
f7679c54 2795enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2796enabled_any $INDEV_LIST && enable indevs
2797enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2798enabled_any $PROTOCOL_LIST && enable protocols
2799
2800enabled_any $THREADS_LIST && enable threads
2801
2802check_deps $CONFIG_LIST \
b6bb00b0 2803 $CONFIG_EXTRA \
7483e694
DB
2804 $HAVE_LIST \
2805 $DECODER_LIST \
2806 $ENCODER_LIST \
5666fd73 2807 $HWACCEL_LIST \
7483e694
DB
2808 $PARSER_LIST \
2809 $BSF_LIST \
2810 $DEMUXER_LIST \
2811 $MUXER_LIST \
f7679c54 2812 $FILTER_LIST \
7483e694
DB
2813 $INDEV_LIST \
2814 $OUTDEV_LIST \
2815 $PROTOCOL_LIST \
f70f03f6 2816
c8a4ae00
MR
2817enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2818
3e89171a 2819echo "install prefix $prefix"
f36958f8
DB
2820echo "source path $source_path"
2821echo "C compiler $cc"
bfd5afd8 2822echo ".align is power-of-two $asmalign_pot"
f36958f8 2823echo "ARCH $arch ($cpu)"
ce8871c2
MR
2824if test "$build_suffix" != ""; then
2825 echo "build suffix $build_suffix"
eb94aca9 2826fi
ac63af34
DB
2827if test "$extra_version" != ""; then
2828 echo "version string suffix $extra_version"
2829fi
0db2ce77 2830echo "big-endian ${bigendian-no}"
e90f5b5a 2831echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2832if enabled x86; then
af44e8e4 2833 echo "yasm ${yasm-no}"
0db2ce77 2834 echo "MMX enabled ${mmx-no}"
30e98e62 2835 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2836 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2837 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2838 echo "SSE enabled ${sse-no}"
30e98e62 2839 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2840 echo "CMOV enabled ${cmov-no}"
2841 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2842 echo "EBX available ${ebx_available-no}"
2843 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2844 echo "10 operands supported ${ten_operands-no}"
e41e8342 2845fi
5b6c2cbd 2846if enabled arm; then
0db2ce77
MR
2847 echo "ARMv5TE enabled ${armv5te-no}"
2848 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2849 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2850 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2851 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2852 echo "NEON enabled ${neon-no}"
eba9ae3c 2853fi
5b6c2cbd 2854if enabled mips; then
0db2ce77 2855 echo "MMI enabled ${mmi-no}"
e41e8342 2856fi
5b6c2cbd 2857if enabled ppc; then
0db2ce77 2858 echo "AltiVec enabled ${altivec-no}"
30e98e62 2859 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2860 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2861 echo "performance report ${powerpc_perf-no}"
2862fi
2863if enabled sparc; then
2864 echo "VIS enabled ${vis-no}"
e41e8342 2865fi
0db2ce77
MR
2866echo "gprof enabled ${gprof-no}"
2867echo "debug symbols ${debug-no}"
87a0fb62 2868echo "strip symbols ${stripping-no}"
8400d6b8 2869echo "optimizations ${optimizations-no}"
0db2ce77
MR
2870echo "static ${static-no}"
2871echo "shared ${shared-no}"
4a24ab64 2872echo "postprocessing support ${postproc-no}"
f7679c54 2873echo "new filter support ${avfilter-no}"
81124ba0 2874echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2875echo "network support ${network-no}"
0db2ce77
MR
2876echo "threading support ${thread_type-no}"
2877echo "SDL support ${sdl-no}"
0db2ce77
MR
2878echo "Sun medialib support ${mlib-no}"
2879echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2880echo "libdc1394 support ${libdc1394-no}"
690bfceb 2881echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2882echo "libfaac enabled ${libfaac-no}"
2883echo "libfaad enabled ${libfaad-no}"
7e0871a7 2884echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2885echo "libgsm enabled ${libgsm-no}"
2886echo "libmp3lame enabled ${libmp3lame-no}"
2887echo "libnut enabled ${libnut-no}"
0b175caa
DB
2888echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2889echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2890echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2891echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2892echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2893echo "libtheora enabled ${libtheora-no}"
2894echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2895echo "libx264 enabled ${libx264-no}"
2896echo "libxvid enabled ${libxvid-no}"
0db2ce77 2897echo "zlib enabled ${zlib-no}"
f402916e 2898echo "bzlib enabled ${bzlib-no}"
2c62e737 2899echo
de6d9b64 2900
5666fd73 2901for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2902 echo "Enabled ${type}s:"
f65c9da1 2903 eval list=\$$(toupper $type)_LIST
8138b9db 2904 for part in $list; do
f65c9da1
MR
2905 enabled $part && echo ${part%_*}
2906 done | sort | pr -3 -t
2907 echo
8138b9db
RP
2908done
2909
ba7a7039 2910license="LGPL version 2.1 or later"
ba321adb 2911if enabled nonfree; then
ba7a7039 2912 license="nonfree and unredistributable"
9cad0e4e
DB
2913elif enabled gplv3; then
2914 license="GPL version 3 or later"
2915elif enabled lgplv3; then
2916 license="LGPL version 3 or later"
ba321adb 2917elif enabled gpl; then
ba7a7039 2918 license="GPL version 2 or later"
ba321adb
JK
2919fi
2920
2921echo "License: $license"
ca5323af 2922
cf1392e9
DB
2923echo "Creating config.mak and config.h..."
2924
df642790
MR
2925# build tree in object directory if source path is different from current one
2926if enabled source_path_used; then
2927 DIRS="
2928 doc
2929 libavcodec
2930 libavcodec/$arch
2931 libavdevice
2932 libavfilter
2933 libavformat
2934 libavutil
2935 libavutil/$arch
2936 libpostproc
2937 libswscale
2938 libswscale/$arch
2939 tests
2940 tools
2941 "
2942 FILES="
2943 Makefile
2944 common.mak
2945 subdir.mak
2946 doc/texi2pod.pl
2947 libavcodec/Makefile
2948 libavdevice/Makefile
2949 libavfilter/Makefile
2950 libavformat/Makefile
2951 libavutil/Makefile
2952 libpostproc/Makefile
2953 libswscale/Makefile
2954 "
54a2ae37
MR
2955 map 'mkdir -p $_' $DIRS;
2956 map '$ln_s "$source_path/$_" $_' $FILES
df642790
MR
2957fi
2958
ad212cc6
MR
2959enabled stripping || strip="echo skipping strip"
2960
173c983b
MR
2961cat > config.mak <<EOF
2962# Automatically generated by configure - do not modify!
2963ifndef FFMPEG_CONFIG_MAK
2964FFMPEG_CONFIG_MAK=1
2965FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2966prefix=$prefix
2967LIBDIR=\$(DESTDIR)$libdir
2968SHLIBDIR=\$(DESTDIR)$shlibdir
2969INCDIR=\$(DESTDIR)$incdir
2970BINDIR=\$(DESTDIR)$bindir
2971DATADIR=\$(DESTDIR)$datadir
2972MANDIR=\$(DESTDIR)$mandir
2973SRC_PATH="$source_path"
2974SRC_PATH_BARE=$source_path
2975BUILD_ROOT="$PWD"
2976ARCH=$arch
2977CC=$cc
2978AS=$as
2979LD=$ld
2980DEPCC=$dep_cc
2981YASM=$yasmexe
a4aea515 2982YASMDEP=$yasmexe
173c983b
MR
2983AR=$ar
2984RANLIB=$ranlib
4335125c 2985CP=cp -p
173c983b
MR
2986LN_S=$ln_s
2987STRIP=$strip
2988CPPFLAGS=$CPPFLAGS
2989CFLAGS=$CFLAGS
2990ASFLAGS=$ASFLAGS
2991CC_O=$CC_O
2992LDFLAGS=$LDFLAGS
2993FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2994SHFLAGS=$SHFLAGS
2995YASMFLAGS=$YASMFLAGS
2996BUILDSUF=$build_suffix
2997FULLNAME=$FULLNAME
2998LIBPREF=$LIBPREF
2999LIBSUF=$LIBSUF
3000LIBNAME=$LIBNAME
3001SLIBPREF=$SLIBPREF
3002SLIBSUF=$SLIBSUF
3003EXESUF=$EXESUF
3004EXTRA_VERSION=$extra_version
3005DEPFLAGS=$DEPFLAGS
3006CCDEP=$CCDEP
3007ASDEP=$ASDEP
3008CC_DEPFLAGS=$CC_DEPFLAGS
3009AS_DEPFLAGS=$AS_DEPFLAGS
3010HOSTCC=$host_cc
3011HOSTCFLAGS=$host_cflags
3012HOSTEXESUF=$HOSTEXESUF
3013HOSTLDFLAGS=$host_ldflags
3014HOSTLIBS=$host_libs
3015TARGET_EXEC=$target_exec
3016TARGET_PATH=$target_path
3017SDL_LIBS=$sdl_libs
3018SDL_CFLAGS=$sdl_cflags
3019LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3020EXTRALIBS=$extralibs
fd676deb 3021INSTALL=install
1afc4750
MR
3022LIBTARGET=${LIBTARGET}
3023SLIBNAME=${SLIBNAME}
3024SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3025SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3026SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3027SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3028SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3029SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
173c983b 3030EOF
5a872801 3031
719c8e00
MR
3032get_version(){
3033 name=$1
3034 file=$source_path/$2
147e7692
MR
3035 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3036 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3037 lcname=$(tolower $name)
3038 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3039 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3040}
3041
147e7692
MR
3042get_version LIBSWSCALE libswscale/swscale.h
3043get_version LIBPOSTPROC libpostproc/postprocess.h
3044get_version LIBAVCODEC libavcodec/avcodec.h
3045get_version LIBAVDEVICE libavdevice/avdevice.h
3046get_version LIBAVFORMAT libavformat/avformat.h
3047get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3048get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3049
173c983b
MR
3050enabled asmalign_pot || align_shift="1 <<"
3051
3052cat > $TMPH <<EOF
3053/* Automatically generated by configure - do not modify! */
3054#ifndef FFMPEG_CONFIG_H
3055#define FFMPEG_CONFIG_H
3056#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3057#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3058#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3059#define CC_TYPE "$cc_type"
3060#define CC_VERSION $cc_version
3061#define restrict $_restrict
3062#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3063#define EXTERN_PREFIX "${extern_prefix}"
3064#define EXTERN_ASM ${extern_prefix}
3065EOF
523ef551 3066
4ae40685
MR
3067test -n "$malloc_prefix" &&
3068 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3069
523ef551 3070if enabled small || disabled optimizations; then
9a894c48 3071 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3072 echo "#define av_always_inline" >> $TMPH
3073fi
3074
3d907e22
MR
3075print_config ARCH_ $TMPH config.mak $ARCH_LIST
3076print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3077print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3078 $CONFIG_EXTRA \
7483e694
DB
3079 $DECODER_LIST \
3080 $ENCODER_LIST \
5666fd73 3081 $HWACCEL_LIST \
7483e694
DB
3082 $PARSER_LIST \
3083 $BSF_LIST \
3084 $DEMUXER_LIST \
3085 $MUXER_LIST \
f7679c54 3086 $FILTER_LIST \
7483e694
DB
3087 $PROTOCOL_LIST \
3088 $INDEV_LIST \
3089 $OUTDEV_LIST \
8ac17293 3090
9c05103f 3091echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3092echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3093
b7860763 3094# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3095cp_if_changed $TMPH config.h
3d204385 3096
a3e02a8c
MR
3097cat > $TMPH <<EOF
3098/* Generated by ffconf */
3099#ifndef AVUTIL_AVCONFIG_H
3100#define AVUTIL_AVCONFIG_H
3101EOF
3102
3103print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3104
3105echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3106
3107cp_if_changed $TMPH libavutil/avconfig.h
3108
d0674868 3109# build pkg-config files
def4272a 3110
d0674868
DB
3111pkgconfig_generate(){
3112name=$1
b0dfd108 3113shortname=${name#lib}${build_suffix}
d0674868
DB
3114comment=$2
3115version=$3
3116libs=$4
3117requires=$5
25cd5cb3 3118cat <<EOF > $name/$name.pc
3e89171a 3119prefix=$prefix
a94e666c 3120exec_prefix=\${prefix}
f2b7382c 3121libdir=$libdir
7622778e 3122includedir=$incdir
def4272a 3123
d0674868
DB
3124Name: $name
3125Description: $comment
3126Version: $version
8cd6b388 3127Requires: $(enabled shared || echo $requires)
5dcfe9f8 3128Requires.private: $(enabled shared && echo $requires)
def4272a 3129Conflicts:
8cd6b388 3130Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3131Libs.private: $(enabled shared && echo $libs)
76a448ed 3132Cflags: -I\${includedir}
def4272a 3133EOF
25cd5cb3 3134cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3135prefix=
3136exec_prefix=
46d1ff83 3137libdir=\${pcfiledir}
1d44d365 3138includedir=${source_path}
def4272a 3139
d0674868
DB
3140Name: $name
3141Description: $comment
3142Version: $version
3143Requires: $requires
def4272a 3144Conflicts:
12701f6e 3145Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3146Cflags: -I\${includedir}
3147EOF
d0674868 3148}
def4272a 3149
e426941d 3150pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3151pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3152pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3153pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3154enabled avfilter &&
46983309 3155 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3156enabled postproc &&
e426941d 3157 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3158pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"