10l trocadero: Indeo 5 decoder did not free custom VLCs for macroblock and
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
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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
119 --disable-encoder=NAME disable encoder NAME
120 --enable-encoder=NAME enable encoder NAME
121 --disable-encoders disable all encoders
122 --disable-decoder=NAME disable decoder NAME
123 --enable-decoder=NAME enable decoder NAME
124 --disable-decoders disable all decoders
125 --disable-hwaccel=NAME disable hwaccel NAME
126 --enable-hwaccel=NAME enable hwaccel NAME
127 --disable-hwaccels disable all hwaccels
128 --disable-muxer=NAME disable muxer NAME
129 --enable-muxer=NAME enable muxer NAME
130 --disable-muxers disable all muxers
131 --disable-demuxer=NAME disable demuxer NAME
132 --enable-demuxer=NAME enable demuxer NAME
133 --disable-demuxers disable all demuxers
134 --enable-parser=NAME enable parser NAME
135 --disable-parser=NAME disable parser NAME
136 --disable-parsers disable all parsers
137 --enable-bsf=NAME enable bitstream filter NAME
138 --disable-bsf=NAME disable bitstream filter NAME
139 --disable-bsfs disable all bitstream filters
140 --enable-protocol=NAME enable protocol NAME
141 --disable-protocol=NAME disable protocol NAME
142 --disable-protocols disable all protocols
143 --disable-indev=NAME disable input device NAME
144 --disable-outdev=NAME disable output device NAME
145 --disable-indevs disable input devices
146 --disable-outdevs disable output devices
147 --disable-devices disable all devices
148 --enable-filter=NAME enable filter NAME
149 --disable-filter=NAME disable filter NAME
150 --disable-filters disable all filters
151 --list-decoders show all available decoders
152 --list-encoders show all available encoders
153 --list-hwaccels show all available hardware accelerators
154 --list-muxers show all available muxers
155 --list-demuxers show all available demuxers
156 --list-parsers show all available parsers
157 --list-protocols show all available protocols
158 --list-bsfs show all available bitstream filters
159 --list-indevs show all available input devices
160 --list-outdevs show all available output devices
161 --list-filters show all available filters
162
163External library support:
164 --enable-avisynth enable reading of AVISynth script files [no]
165 --enable-bzlib enable bzlib [autodetect]
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libfaad enable FAAD support via libfaad [no]
173 --enable-libfaadbin open libfaad.so.0 at runtime [no]
174 --enable-libgsm enable GSM support via libgsm [no]
175 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
176 --enable-libnut enable NUT (de)muxing via libnut,
177 native (de)muxer exists [no]
178 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
179 --enable-libschroedinger enable Dirac support via libschroedinger [no]
180 --enable-libspeex enable Speex decoding via libspeex [no]
181 --enable-libtheora enable Theora encoding via libtheora [no]
182 --enable-libvorbis enable Vorbis encoding via libvorbis,
183 native implementation exists [no]
184 --enable-libx264 enable H.264 encoding via x264 [no]
185 --enable-libxvid enable Xvid encoding via xvidcore,
186 native MPEG-4/Xvid encoder exists [no]
187 --enable-mlib enable Sun medialib [no]
188 --enable-zlib enable zlib [autodetect]
189
190Advanced options (experts only):
191 --source-path=PATH path to source code [$source_path]
192 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
193 --enable-cross-compile assume a cross-compiler is used
194 --sysroot=PATH root of cross-build tree
195 --sysinclude=PATH location of cross-build system headers
196 --target-os=OS compiler targets OS [$target_os]
197 --target-exec=CMD command to run executables on target
198 --target-path=DIR path to view of build directory on target
199 --nm=NM use nm tool
200 --as=AS use assembler AS [$as_default]
201 --cc=CC use C compiler CC [$cc_default]
202 --ld=LD use linker LD
203 --host-cc=HOSTCC use host C compiler HOSTCC
204 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
205 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
206 --host-libs=HLIBS use libs HLIBS when linking for host
207 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
208 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
209 --extra-libs=ELIBS add ELIBS [$ELIBS]
210 --extra-version=STRING version string suffix []
211 --build-suffix=SUFFIX library name suffix []
212 --arch=ARCH select architecture [$arch]
213 --cpu=CPU select the minimum required CPU (affects
214 instruction selection, may crash on older CPUs)
215 --enable-powerpc-perf enable performance report on PPC
216 (requires enabling PMC)
c8a4ae00 217 --disable-asm disable all assembler optimizations
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218 --disable-altivec disable AltiVec optimizations
219 --disable-amd3dnow disable 3DNow! optimizations
220 --disable-amd3dnowext disable 3DNow! extended optimizations
221 --disable-mmx disable MMX optimizations
222 --disable-mmx2 disable MMX2 optimizations
223 --disable-sse disable SSE optimizations
224 --disable-ssse3 disable SSSE3 optimizations
225 --disable-armv5te disable armv5te optimizations
226 --disable-armv6 disable armv6 optimizations
227 --disable-armv6t2 disable armv6t2 optimizations
228 --disable-armvfp disable ARM VFP optimizations
229 --disable-iwmmxt disable iwmmxt optimizations
230 --disable-mmi disable MMI optimizations
231 --disable-neon disable neon optimizations
232 --disable-vis disable VIS optimizations
233 --disable-yasm disable use of yasm assembler
234 --enable-pic build position-independent code
4ae40685 235 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 236 --enable-sram allow use of on-chip SRAM
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237
238Developer options (useful when working on FFmpeg itself):
239 --disable-debug disable debugging symbols
240 --enable-debug=LEVEL set the debug level [$debuglevel]
241 --enable-gprof enable profiling with gprof [$gprof]
242 --disable-optimizations disable compiler optimizations
243 --enable-extra-warnings enable more compiler warnings
244 --disable-stripping disable stripping of executables and shared libraries
245
246NOTE: Object files are built at the place where configure is launched.
247EOF
60e8bc13 248 exit 0
74c53c2d 249}
cf9d24ad 250
57bd82d4 251log(){
2270b4b2 252 echo "$@" >> $logfile
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253}
254
720c69da 255log_file(){
c8e9f801 256 log BEGIN $1
2270b4b2 257 pr -n -t $1 >> $logfile
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258 log END $1
259}
260
2ba042a7 261echolog(){
c8e9f801 262 log "$@"
57bd82d4 263 echo "$@"
2ba042a7
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264}
265
266die(){
267 echolog "$@"
268 cat <<EOF
d326cf7f 269
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270If you think configure made a mistake, make sure you are using the latest
271version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 272ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 273EOF
e155a21a 274 if disabled logging; then
2ba042a7 275 cat <<EOF
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276Rerun configure with logging enabled (do not use --disable-logging), and
277include the log this produces with your report.
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278EOF
279 else
280cat <<EOF
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281Include the log file "$logfile" produced by configure as this will help
282solving the problem.
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283EOF
284 fi
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285 exit 1
286}
287
6c6007d6 288# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 289toupper(){
6c6007d6 290 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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291}
292
4a5444db 293tolower(){
6c6007d6 294 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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295}
296
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297c_escape(){
298 echo "$*" | sed 's/["\\]/\\\0/g'
299}
300
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301sh_quote(){
302 v=$(echo "$1" | sed "s/'/'\\\\''/g")
303 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
304 echo "$v"
305}
306
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307filter(){
308 pat=$1
309 shift
310 for v; do
98ef6079 311 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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312 done
313}
314
a8d04fba
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315set_all(){
316 value=$1
317 shift
318 for var in $*; do
319 eval $var=$value
320 done
321}
322
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323set_weak(){
324 value=$1
325 shift
326 for var; do
327 eval : \${$var:=$value}
328 done
329}
330
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331pushvar(){
332 for var in $*; do
333 eval level=\${${var}_level:=0}
334 eval ${var}_${level}="\$$var"
335 eval ${var}_level=$(($level+1))
336 done
337}
338
339popvar(){
340 for var in $*; do
341 eval level=\${${var}_level:-0}
342 test $level = 0 && continue
343 eval level=$(($level-1))
344 eval $var="\${${var}_${level}}"
345 eval ${var}_level=$level
346 eval unset ${var}_${level}
347 done
348}
349
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350enable(){
351 set_all yes $*
352}
353
354disable(){
355 set_all no $*
356}
357
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358enable_weak(){
359 set_weak yes $*
360}
361
362disable_weak(){
363 set_weak no $*
364}
365
72702705 366enable_safe(){
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367 for var; do
368 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
369 done
72702705
MR
370}
371
372disable_safe(){
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MR
373 for var; do
374 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
375 done
72702705
MR
376}
377
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MR
378do_enable_deep(){
379 for var; do
380 enabled $var && continue
381 eval sel="\$${var}_select"
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382 eval sgs="\$${var}_suggest"
383 pushvar var sgs
f9d328da 384 enable_deep $sel
c510c7b5
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385 popvar sgs
386 enable_deep_weak $sgs
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387 popvar var
388 done
389}
390
391enable_deep(){
392 do_enable_deep $*
393 enable $*
394}
395
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396enable_deep_weak(){
397 do_enable_deep $*
398 enable_weak $*
399}
400
57bd82d4 401enabled(){
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MR
402 test "${1#!}" = "$1" && op== || op=!=
403 eval test "x\$${1#!}" $op "xyes"
44161118
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404}
405
37970ebf 406disabled(){
3250003c
MR
407 test "${1#!}" = "$1" && op== || op=!=
408 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
409}
410
44161118
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411enabled_all(){
412 for opt; do
413 enabled $opt || return 1
414 done
415}
416
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417disabled_all(){
418 for opt; do
419 disabled $opt || return 1
420 done
421}
422
44161118
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423enabled_any(){
424 for opt; do
425 enabled $opt && return 0
426 done
427}
428
85bca2c5
DB
429disabled_any(){
430 for opt; do
431 disabled $opt && return 0
432 done
f7b230a7 433 return 1
85bca2c5
DB
434}
435
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436set_default(){
437 for opt; do
88268e94 438 eval : \${$opt:=\$${opt}_default}
c9d19248
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439 done
440}
441
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442is_in(){
443 value=$1
444 shift
445 for var in $*; do
446 [ $var = $value ] && return 0
447 done
448 return 1
449}
450
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451check_deps(){
452 for cfg; do
3250003c 453 cfg="${cfg#!}"
799c9e9b
MR
454 enabled ${cfg}_checking && die "Circular dependency for $cfg."
455 disabled ${cfg}_checking && continue
456 enable ${cfg}_checking
457
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458 eval dep_all="\$${cfg}_deps"
459 eval dep_any="\$${cfg}_deps_any"
7ef3425f 460 eval dep_sel="\$${cfg}_select"
c510c7b5 461 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
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462 eval dep_ifa="\$${cfg}_if"
463 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 464
3d7453e0
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465 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
466 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
467 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 468
3d7453e0
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469 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
470 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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471 enabled_all $dep_all || disable $cfg
472 enabled_any $dep_any || disable $cfg
7ef3425f 473 disabled_any $dep_sel && disable $cfg
799c9e9b 474
4ec45764
RP
475 if enabled $cfg; then
476 eval dep_extralibs="\$${cfg}_extralibs"
477 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 478 enable_deep $dep_sel
c510c7b5 479 enable_deep_weak $dep_sgs
4ec45764
RP
480 fi
481
799c9e9b 482 disable ${cfg}_checking
30fd06be
MR
483 done
484}
485
44161118
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486print_config(){
487 pfx=$1
488 header=$2
489 makefile=$3
490 shift 3
491 for cfg; do
5e622c40 492 ucname="$(toupper $cfg)"
44161118 493 if enabled $cfg; then
3d907e22 494 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
495 echo "${pfx}${ucname}=yes" >> $makefile
496 else
b250f9c6 497 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 498 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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499 fi
500 done
57bd82d4
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501}
502
503flags_saved(){
2270b4b2 504 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
505}
506
dcd479c0 507save_flags(){
57bd82d4 508 flags_saved && return
dcd479c0
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509 SAVE_CFLAGS="$CFLAGS"
510 SAVE_LDFLAGS="$LDFLAGS"
511 SAVE_extralibs="$extralibs"
512}
513
514restore_flags(){
f5d28d10 515 flags_saved || return
dcd479c0
MR
516 CFLAGS="$SAVE_CFLAGS"
517 LDFLAGS="$SAVE_LDFLAGS"
518 extralibs="$SAVE_extralibs"
519 unset SAVE_CFLAGS
520 unset SAVE_LDFLAGS
521 unset SAVE_extralibs
522}
523
524temp_cflags(){
525 save_flags
526 CFLAGS="$CFLAGS $*"
527}
528
529temp_ldflags(){
530 save_flags
531 LDFLAGS="$LDFLAGS $*"
532}
533
534temp_extralibs(){
535 save_flags
536 extralibs="$extralibs $*"
537}
538
57bd82d4
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539append(){
540 var=$1
541 shift
542 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
543 eval "$var=\"\$$var $*\""
544}
545
50a334e4 546add_cppflags(){
caf458dd 547 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
548}
549
57bd82d4 550add_cflags(){
caf458dd 551 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
552}
553
2f2e6c7c 554add_asflags(){
caf458dd 555 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
556}
557
57bd82d4
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558add_ldflags(){
559 append LDFLAGS "$@"
560}
561
562add_extralibs(){
563 append extralibs "$@"
564}
565
b0cfb663 566check_cmd(){
b3cb5d51 567 log "$@"
2270b4b2 568 "$@" >> $logfile 2>&1
b0cfb663
MR
569}
570
dcd479c0 571check_cc(){
57bd82d4 572 log check_cc "$@"
2270b4b2 573 cat > $TMPC
720c69da 574 log_file $TMPC
50a334e4 575 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
576}
577
578check_cpp(){
579 log check_cpp "$@"
2270b4b2 580 cat > $TMPC
720c69da 581 log_file $TMPC
9e7f3277 582 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
583}
584
f65883c8
MR
585check_as(){
586 log check_as "$@"
587 cat > $TMPC
588 log_file $TMPC
2f2e6c7c 589 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
590}
591
940f335a
MR
592check_asm(){
593 log check_asm "$@"
594 name="$1"
3784e82e 595 code="$2"
940f335a 596 shift 2
49214f61
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597 disable $name
598 check_as "$@" <<EOF && enable $name
3784e82e 599void foo(void){ __asm__ volatile($code); }
940f335a
MR
600EOF
601}
602
304d586d
LM
603check_yasm(){
604 log check_yasm "$@"
605 echo "$1" > $TMPS
606 log_file $TMPS
607 shift 1
608 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
609}
610
dcd479c0 611check_ld(){
57bd82d4 612 log check_ld "$@"
3155a644
MR
613 flags=''
614 libs=''
615 for f; do
616 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
617 done
2a194acd 618 check_cc $($filter_cflags $flags) || return
684b28e0 619 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
620}
621
50a334e4
MR
622check_cppflags(){
623 log check_cppflags "$@"
caf458dd
MR
624 set -- $($filter_cppflags "$@")
625 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
626int x;
627EOF
628}
629
dcd479c0 630check_cflags(){
57bd82d4 631 log check_cflags "$@"
caf458dd
MR
632 set -- $($filter_cflags "$@")
633 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
634int x;
635EOF
636}
637
2ed46eea
MR
638test_ldflags(){
639 log test_ldflags "$@"
640 check_ld "$@" <<EOF
c23a0ac8 641int main(void){ return 0; }
dcd479c0
MR
642EOF
643}
644
2ed46eea
MR
645check_ldflags(){
646 log check_ldflags "$@"
647 test_ldflags "$@" && add_ldflags "$@"
648}
649
dcd479c0 650check_header(){
57bd82d4 651 log check_header "$@"
dcd479c0
MR
652 header=$1
653 shift
b77df637
MR
654 disable_safe $header
655 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
656#include <$header>
657int x;
658EOF
659}
660
661check_func(){
57bd82d4 662 log check_func "$@"
dcd479c0
MR
663 func=$1
664 shift
d8bc5f06
MR
665 disable $func
666 check_ld "$@" <<EOF && enable $func
dcd479c0 667extern int $func();
c23a0ac8 668int main(void){ $func(); }
dcd479c0
MR
669EOF
670}
671
645d2652 672check_mathfunc(){
6b73c0ae 673 log check_mathfunc "$@"
645d2652
MR
674 func=$1
675 shift
676 disable $func
677 check_ld "$@" <<EOF && enable $func
678#include <math.h>
33bd38db
MR
679float foo(float f) { return $func(f); }
680int main(void){ return 0; }
645d2652
MR
681EOF
682}
683
2446d3d6
DB
684check_func_headers(){
685 log check_func_headers "$@"
f8d7b072
MR
686 headers=$1
687 func=$2
688 shift 2
689 disable $func
690 incs=""
691 for hdr in $headers; do
692 incs="$incs
693#include <$hdr>"
694 done
cd0d9a9d 695 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 696$incs
d6773f56 697int main(int argc, char **argv){
2b2c2a81 698 return (long) $func;
f8d7b072
MR
699}
700EOF
701}
702
a5344cf7
SS
703check_cpp_condition(){
704 log check_cpp_condition "$@"
705 header=$1
706 condition=$2
f855b7b9
MR
707 shift 2
708 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
709#include <$header>
710#if !($condition)
711#error "unsatisfied condition: $condition"
712#endif
713EOF
714}
715
57bd82d4
MR
716check_lib(){
717 log check_lib "$@"
718 header="$1"
719 func="$2"
720 shift 2
fcfcde17
MR
721 temp_extralibs "$@"
722 check_header $header && check_func $func && add_extralibs "$@"
723 err=$?
724 restore_flags
725 return $err
57bd82d4
MR
726}
727
f8d7b072
MR
728check_lib2(){
729 log check_lib2 "$@"
730 headers="$1"
731 func="$2"
732 shift 2
300cde27 733 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
734}
735
dcd479c0 736check_exec(){
2270b4b2 737 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
738}
739
7dfef245 740check_exec_crash(){
5e622c40 741 code=$(cat)
7dfef245
MR
742
743 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
744 # are safe but may not be available everywhere. Thus we use
745 # raise(SIGTERM) instead. The check is run in a subshell so we
746 # can redirect the "Terminated" message from the shell. SIGBUS
747 # is not defined by standard C so it is used conditionally.
748
2270b4b2 749 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
750#include <signal.h>
751static void sighandler(int sig){
752 raise(SIGTERM);
753}
e5af4a11 754int main(void){
7dfef245
MR
755 signal(SIGILL, sighandler);
756 signal(SIGFPE, sighandler);
757 signal(SIGSEGV, sighandler);
758#ifdef SIGBUS
759 signal(SIGBUS, sighandler);
760#endif
761 { $code }
762}
763EOF
764}
765
72be9e73
DY
766check_type(){
767 log check_type "$@"
768 headers=$1
769 type=$2
770 shift 2
ae550ce9 771 disable_safe "$type"
72be9e73
DY
772 incs=""
773 for hdr in $headers; do
774 incs="$incs
775#include <$hdr>"
776 done
ae550ce9 777 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
778$incs
779$type v;
780EOF
781}
782
14d36751
MR
783check_struct(){
784 log check_type "$@"
785 headers=$1
786 struct=$2
787 member=$3
788 shift 3
789 disable_safe "${struct}_${member}"
790 incs=""
791 for hdr in $headers; do
792 incs="$incs
793#include <$hdr>"
794 done
795 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
796$incs
797const void *p = &(($struct *)0)->$member;
798EOF
799}
800
57bd82d4
MR
801require(){
802 name="$1"
803 header="$2"
804 func="$3"
805 shift 3
806 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
807}
808
f8d7b072
MR
809require2(){
810 name="$1"
811 headers="$2"
812 func="$3"
813 shift 3
814 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
815}
816
eea50282
MR
817check_foo_config(){
818 cfg=$1
819 pkg=$2
820 header=$3
821 func=$4
822 shift 4
823 disable $cfg
824 check_cmd ${pkg}-config --version
825 err=$?
826 if test "$err" = 0; then
5e622c40
DB
827 temp_cflags $(${pkg}-config --cflags)
828 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
829 check_lib "$@" $header $func && enable $cfg
830 fi
831 return $err
832}
833
f0125de9
MR
834check_host_cc(){
835 log check_host_cc "$@"
836 cat > $TMPC
837 log_file $TMPC
838 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
839}
840
841check_host_cflags(){
842 log check_host_cflags "$@"
843 check_host_cc "$@" <<EOF && append host_cflags "$@"
844int x;
845EOF
846}
847
c505dd31
MR
848apply(){
849 file=$1
850 shift
851 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
852}
853
c34681df
MR
854cp_if_changed(){
855 cmp -s "$1" "$2" &&
856 echo "$2 is unchanged" ||
857 cp -f "$1" "$2"
858}
859
dcd61286
DB
860# CONFIG_LIST contains configurable options, while HAVE_LIST is for
861# system-dependent things.
862
4a0d6686
AJ
863COMPONENT_LIST="
864 bsfs
865 decoders
866 demuxers
867 encoders
3cde40aa 868 filters
5666fd73 869 hwaccels
c552605c 870 indevs
4a0d6686 871 muxers
c552605c 872 outdevs
4a0d6686
AJ
873 parsers
874 protocols
875"
876
877CONFIG_LIST="
878 $COMPONENT_LIST
e8ed9b7a 879 aandct
5a0f7131
MR
880 avcodec
881 avdevice
f7679c54
VS
882 avfilter
883 avfilter_lavf
5a0f7131 884 avformat
c88f5d72
MR
885 avisynth
886 beos_netserver
f402916e 887 bzlib
7f3f5f46 888 dct
c73f65d9 889 doc
92c6a099 890 dxva2
27a9466b 891 fastdiv
c88f5d72
MR
892 ffmpeg
893 ffplay
336ce917 894 ffprobe
c88f5d72 895 ffserver
1848f7d9 896 fft
4f034993 897 golomb
c88f5d72 898 gpl
ecfc4f44 899 gprof
d8d0d0b2 900 gray
3abe5fbd 901 hardcoded_tables
f7b8bffe 902 libdc1394
690bfceb 903 libdirac
2eed5a46
DB
904 libfaac
905 libfaad
906 libfaadbin
c88f5d72 907 libgsm
6ebe07fb 908 libmp3lame
c88f5d72 909 libnut
0b175caa
DB
910 libopencore_amrnb
911 libopencore_amrwb
9a77d59a 912 libopenjpeg
f7cd9eed 913 libschroedinger
ae14f311 914 libspeex
150d2772 915 libtheora
c88f5d72 916 libvorbis
1cc60c47
DB
917 libx264
918 libxvid
f4d608e3 919 lpc
47a158cb 920 mdct
c88f5d72 921 memalign_hack
a8150374 922 mlib
c88f5d72
MR
923 mpegaudio_hp
924 network
3fe142e2 925 nonfree
8a3c8627 926 pic
4a24ab64 927 postproc
2b4c3615 928 powerpc_perf
68602540 929 rdft
e90f5b5a 930 runtime_cpudetect
2e35e684 931 shared
bd2216e4 932 small
6b35d421 933 sram
2e35e684 934 static
5a0f7131 935 swscale
a9ddb5b1 936 swscale_alpha
17492d5e
DB
937 vaapi
938 vdpau
9cad0e4e 939 version3
56a059ac 940 x11grab
c88f5d72 941 zlib
4a0d6686 942"
c88f5d72 943
8eee7025
DB
944THREADS_LIST='
945 beosthreads
d22e8442 946 os2threads
8eee7025
DB
947 pthreads
948 w32threads
949'
950
3f5b56e5
MR
951ARCH_LIST='
952 alpha
a2fc0f6a 953 arm
fdcd782d
MR
954 avr32
955 avr32_ap
956 avr32_uc
3f5b56e5
MR
957 bfin
958 ia64
959 m68k
960 mips
bae3abb0 961 mips64
3f5b56e5 962 parisc
79cb09b2 963 ppc
34d11b87 964 ppc64
3f5b56e5
MR
965 s390
966 sh4
967 sparc
968 sparc64
0844bae1 969 tomi
3f5b56e5
MR
970 x86
971 x86_32
972 x86_64
973'
974
975ARCH_EXT_LIST='
1ac9331a 976 altivec
3bf96eec 977 amd3dnow
a1ef9f08 978 amd3dnowext
1ac9331a 979 armv5te
edab3048 980 armv6
ab5cb084 981 armv6t2
f55b299a 982 armvfp
3f5b56e5
MR
983 iwmmxt
984 mmi
985 mmx
d7f0920b 986 mmx2
6b18d278 987 neon
799fde37 988 ppc4xx
1bb04d5a 989 sse
9eeed841 990 ssse3
bd9d34a0 991 vis
3f5b56e5
MR
992'
993
a3e02a8c
MR
994HAVE_LIST_PUB='
995 bigendian
996'
997
3f5b56e5
MR
998HAVE_LIST="
999 $ARCH_EXT_LIST
a3e02a8c 1000 $HAVE_LIST_PUB
3f5b56e5 1001 $THREADS_LIST
35fd8122 1002 alsa_asoundlib_h
3f5b56e5 1003 altivec_h
c9fdab0d 1004 arpa_inet_h
dffb41b9 1005 attribute_may_alias
e7ea5e3d 1006 attribute_packed
6bd859d6 1007 bswap
ecf97f22 1008 closesocket
1ac9331a 1009 cmov
e16e49ac 1010 conio_h
c88f5d72 1011 dcbzl
f8aa696f
DB
1012 dev_bktr_ioctl_bt848_h
1013 dev_bktr_ioctl_meteor_h
1014 dev_ic_bt8xx_h
1015 dev_video_meteor_ioctl_meteor_h
1016 dev_video_bktr_ioctl_bt848_h
18b67ae5 1017 dlfcn_h
c88f5d72 1018 dlopen
bc574408 1019 dos_paths
245626d0
DB
1020 ebp_available
1021 ebx_available
6b7c7703
VS
1022 exp2
1023 exp2f
c2a29455 1024 fast_64bit
669b5583 1025 fast_clz
7073e9fc 1026 fast_cmov
7b829d2a 1027 fast_unaligned
9d99cc5a 1028 fork
84882df6 1029 getaddrinfo
da9e86f8 1030 gethrtime
fc5607f8 1031 GetProcessMemoryInfo
4e68cb8a 1032 GetProcessTimes
66be5b45 1033 getrusage
fc5607f8 1034 struct_rusage_ru_maxrss
2e1913b1 1035 inet_aton
61d251db 1036 inline_asm
abfc8d05 1037 isatty
9f5ff83f 1038 ldbrx
0b4a1821
AS
1039 libdc1394_1
1040 libdc1394_2
a33cab3a 1041 llrint
d96cd429
MR
1042 local_aligned_16
1043 local_aligned_8
291fd18a 1044 log2
6b7c7703 1045 log2f
85dd97ad 1046 loongson
a33cab3a 1047 lrint
c88f5d72 1048 lrintf
e4673692 1049 lzo1x_999_compress
f8aa696f
DB
1050 machine_ioctl_bt848_h
1051 machine_ioctl_meteor_h
c88f5d72
MR
1052 malloc_h
1053 memalign
6ffa87d3 1054 mkstemp
b4e806b2 1055 pld
1f91cdce 1056 posix_memalign
a33cab3a
MK
1057 round
1058 roundf
c88f5d72
MR
1059 sdl
1060 sdl_video_size
b507ebd1 1061 setmode
72be9e73 1062 socklen_t
deb29777 1063 soundcard_h
f8cda19e 1064 poll_h
0104b608 1065 setrlimit
c0018613 1066 struct_addrinfo
b4d68544
MS
1067 struct_ipv6_mreq
1068 struct_sockaddr_in6
3b2372bf 1069 struct_sockaddr_sa_len
33a4dbdd 1070 struct_sockaddr_storage
b58412f1 1071 sys_mman_h
b091aa44 1072 sys_resource_h
81644c2e 1073 sys_select_h
deb29777 1074 sys_soundcard_h
1b6e8b73 1075 sys_videoio_h
d3a4b4e0 1076 ten_operands
e16e49ac 1077 termios_h
b265431e 1078 threads
7b04b8a0 1079 truncf
ce742de2 1080 vfp_args
7c5bfe7a 1081 VirtualAlloc
6ff3f3e7 1082 winsock2_h
cc078b5d 1083 xform_asm
304d586d 1084 yasm
0cb78cef 1085"
44161118 1086
b6bb00b0
MR
1087# options emitted with CONFIG_ prefix but not available on command line
1088CONFIG_EXTRA="
dc4f5a1c 1089 avutil
9cad0e4e
DB
1090 gplv3
1091 lgplv3
b6bb00b0
MR
1092"
1093
520cc7f1 1094CMDLINE_SELECT="
3f5b56e5 1095 $ARCH_EXT_LIST
520cc7f1 1096 $CONFIG_LIST
8eee7025 1097 $THREADS_LIST
c8a4ae00 1098 asm
db6107b6 1099 cross_compile
520cc7f1
MR
1100 debug
1101 extra_warnings
8c6afa4d 1102 logging
d2bbb2f7 1103 optimizations
87a0fb62 1104 stripping
7595a5e4 1105 yasm
520cc7f1 1106"
426be5dc
DB
1107
1108PATHS_LIST='
d156bede 1109 bindir
14a8acf1 1110 datadir
26759c44
MR
1111 incdir
1112 libdir
26759c44
MR
1113 mandir
1114 prefix
1115 shlibdir
426be5dc
DB
1116'
1117
1118CMDLINE_SET="
1119 $PATHS_LIST
1120 arch
313c46a6 1121 as
426be5dc
DB
1122 build_suffix
1123 cc
1124 cpu
1125 cross_prefix
50567afa 1126 dep_cc
ac63af34 1127 extra_version
9da6609f
MR
1128 host_cc
1129 host_cflags
1130 host_ldflags
1131 host_libs
82bb3329 1132 host_os
684b28e0 1133 ld
426be5dc 1134 logfile
4ae40685 1135 malloc_prefix
89641463 1136 nm
26759c44 1137 source_path
4f837398 1138 strip
c5200f17
MR
1139 sysinclude
1140 sysroot
a7ada2ba 1141 target_exec
26759c44 1142 target_os
a7ada2ba 1143 target_path
426be5dc 1144"
520cc7f1 1145
89f2932b
MR
1146CMDLINE_APPEND="
1147 extra_cflags
1148"
1149
912f3148
DB
1150# code dependency declarations
1151
9eeed841 1152# architecture extensions
808fa33c 1153
a2fc0f6a
MR
1154armv5te_deps="arm"
1155armv6_deps="arm"
ab5cb084 1156armv6t2_deps="arm"
a2fc0f6a
MR
1157armvfp_deps="arm"
1158iwmmxt_deps="arm"
808fa33c
MR
1159neon_deps="arm"
1160
e241ba14 1161mmi_deps="mips"
808fa33c
MR
1162
1163altivec_deps="ppc"
1164ppc4xx_deps="ppc"
1165
1166vis_deps="sparc"
1167
7f8c3d1f 1168x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1169amd3dnow_deps="mmx"
1170amd3dnowext_deps="amd3dnow"
9eeed841 1171mmx_deps="x86"
75aa95a6 1172mmx2_deps="mmx"
75aa95a6
DB
1173sse_deps="mmx"
1174ssse3_deps="sse"
9eeed841 1175
e939cedd 1176fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1177fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1178fast_unaligned_if_any="armv6 ppc x86"
669b5583 1179
89e053f8 1180need_memalign="altivec neon sse"
6fec122a 1181inline_asm_deps="!tms470"
89e053f8 1182
26fbcc85
MR
1183# subsystems
1184mdct_select="fft"
1185rdft_select="fft"
1186
5666fd73 1187# decoders / encoders / hardware accelerators
26fbcc85
MR
1188aac_decoder_select="mdct aac_parser"
1189aac_encoder_select="mdct"
1190ac3_decoder_select="mdct ac3_parser"
f4d608e3 1191alac_encoder_select="lpc"
084cbbaa 1192atrac1_decoder_select="mdct"
26fbcc85
MR
1193atrac3_decoder_select="mdct"
1194binkaudio_dct_decoder_select="mdct rdft dct"
1195binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1196cavs_decoder_select="golomb"
26fbcc85 1197cook_decoder_select="mdct"
2eef7c62 1198cscd_decoder_suggest="zlib"
26fbcc85 1199dca_decoder_select="mdct"
e8ed9b7a 1200dnxhd_encoder_select="aandct"
2eef7c62 1201dxa_decoder_select="zlib"
baf91bb9 1202eac3_decoder_select="ac3_decoder"
84c04e25 1203eamad_decoder_select="aandct"
e8ed9b7a 1204eatgq_decoder_select="aandct"
d52b39c7 1205eatqi_decoder_select="aandct"
4f034993
MR
1206ffv1_decoder_select="golomb"
1207flac_decoder_select="golomb"
f4d608e3 1208flac_encoder_select="golomb lpc"
2eef7c62
AJ
1209flashsv_decoder_select="zlib"
1210flashsv_encoder_select="zlib"
4414137e 1211flv_decoder_select="h263_decoder"
4d4b4bd1 1212flv_encoder_select="h263_encoder"
e8ed9b7a 1213h261_encoder_select="aandct"
7f647ae0 1214h263_decoder_select="h263_parser"
e8ed9b7a 1215h263_encoder_select="aandct"
ff418735 1216h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1217h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1218h263i_decoder_select="h263_decoder"
fe629c2d 1219h263p_encoder_select="h263_encoder"
4f034993 1220h264_decoder_select="golomb"
92c6a099
LA
1221h264_dxva2_hwaccel_deps="dxva2api_h"
1222h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1223h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1224h264_vaapi_hwaccel_select="vaapi"
711dae77 1225h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1226h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1227imc_decoder_select="fft mdct"
4f034993
MR
1228jpegls_decoder_select="golomb"
1229jpegls_encoder_select="golomb"
e8ed9b7a 1230ljpeg_encoder_select="aandct"
4f034993 1231loco_decoder_select="golomb"
e8ed9b7a 1232mjpeg_encoder_select="aandct"
2cca233b 1233mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1234mpeg1video_encoder_select="aandct"
1235mpeg2video_encoder_select="aandct"
4414137e 1236mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1237mpeg4_encoder_select="h263_encoder"
711dae77 1238mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1239mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1240mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1241mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1242mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1243mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1244mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1245mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1246mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1247mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1248mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1249mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1250msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1251msmpeg4v1_encoder_select="h263_encoder"
4414137e 1252msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1253msmpeg4v2_encoder_select="h263_encoder"
4414137e 1254msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1255msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1256nellymoser_decoder_select="mdct"
1257nellymoser_encoder_select="mdct"
2eef7c62
AJ
1258png_decoder_select="zlib"
1259png_encoder_select="zlib"
26fbcc85 1260qdm2_decoder_select="mdct rdft"
a8beb22f 1261rv10_decoder_select="h263_decoder"
b2bf38b4 1262rv10_encoder_select="h263_encoder"
a8beb22f 1263rv20_decoder_select="h263_decoder"
b2bf38b4 1264rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1265rv30_decoder_select="golomb"
1266rv40_decoder_select="golomb"
4f034993
MR
1267shorten_decoder_select="golomb"
1268sonic_decoder_select="golomb"
1269sonic_encoder_select="golomb"
1270sonic_ls_encoder_select="golomb"
1271svq3_decoder_select="golomb"
bee2eac5 1272svq3_decoder_suggest="zlib"
4eef77c1 1273theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1274tiff_decoder_suggest="zlib"
1275tiff_encoder_suggest="zlib"
aec09a00 1276truehd_decoder_select="mlp_decoder"
2eef7c62 1277tscc_decoder_select="zlib"
084cbbaa 1278twinvq_decoder_select="mdct"
f95bfab0 1279vc1_decoder_select="h263_decoder"
9104cd51 1280vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1281vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1282vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1283vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1284vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1285vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1286vorbis_decoder_select="mdct"
1287vorbis_encoder_select="mdct"
e82dc4c9
DB
1288vp6a_decoder_select="vp6_decoder"
1289vp6f_decoder_select="vp6_decoder"
084cbbaa 1290wmapro_decoder_select="mdct"
26fbcc85
MR
1291wmav1_decoder_select="mdct"
1292wmav1_encoder_select="mdct"
1293wmav2_decoder_select="mdct"
1294wmav2_encoder_select="mdct"
f95bfab0 1295wmv1_decoder_select="h263_decoder"
665507aa 1296wmv1_encoder_select="h263_encoder"
f95bfab0 1297wmv2_decoder_select="h263_decoder"
1746e2a9 1298wmv2_encoder_select="h263_encoder"
015f8ee0 1299wmv3_decoder_select="vc1_decoder"
f0f86627 1300wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1301wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1302wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1303zlib_decoder_select="zlib"
1304zlib_encoder_select="zlib"
1305zmbv_decoder_select="zlib"
1306zmbv_encoder_select="zlib"
30fd06be 1307
28b80940
DB
1308# parsers
1309h264_parser_select="golomb"
1310
f1e94694
DB
1311# bitstream_filters
1312aac_adtstoasc_bsf_select="aac_parser"
1313
912f3148 1314# external libraries
1b71f045 1315libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1316libdirac_encoder_deps="libdirac"
c9171a83 1317libfaac_encoder_deps="libfaac"
69ddbd1d 1318libfaad_decoder_deps="libfaad"
4ec45764 1319libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1320libgsm_decoder_deps="libgsm"
1321libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1322libgsm_ms_decoder_deps="libgsm"
1323libgsm_ms_encoder_deps="libgsm"
1cc60c47 1324libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1325libopencore_amrnb_decoder_deps="libopencore_amrnb"
1326libopencore_amrnb_encoder_deps="libopencore_amrnb"
1327libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1328libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1329libschroedinger_decoder_deps="libschroedinger"
1330libschroedinger_encoder_deps="libschroedinger"
ae14f311 1331libspeex_decoder_deps="libspeex"
150d2772 1332libtheora_encoder_deps="libtheora"
b0caf888 1333libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1334libx264_encoder_deps="libx264"
1335libxvid_encoder_deps="libxvid"
30fd06be 1336
912f3148 1337# demuxers / muxers
03a76ba9 1338ac3_demuxer_deps="ac3_parser"
647c2356 1339asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1340avisynth_demuxer_deps="avisynth"
1341dirac_demuxer_deps="dirac_parser"
5b423887 1342eac3_demuxer_select="ac3_parser"
647c2356 1343ipod_muxer_select="mov_muxer"
4e622dea
SS
1344libnut_demuxer_deps="libnut"
1345libnut_muxer_deps="libnut"
647c2356 1346matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1347matroska_demuxer_suggest="zlib bzlib"
1348mov_demuxer_suggest="zlib"
1349mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1350mp4_muxer_select="mov_muxer"
1351mpegtsraw_demuxer_select="mpegts_demuxer"
1352mxf_d10_muxer_select="mxf_muxer"
24ca518b 1353ogg_demuxer_select="golomb"
647c2356 1354psp_muxer_select="mov_muxer"
4e622dea 1355rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1356rtsp_muxer_deps="sdp_demuxer"
1357rtsp_muxer_select="rtp_muxer"
4e622dea 1358sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
f1e94694 1359spdif_muxer_select="aac_parser"
647c2356
DB
1360tg2_muxer_select="mov_muxer"
1361tgp_muxer_select="mov_muxer"
6bdaa5f4 1362w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1363
1364# indevs / outdevs
38e54a75
SS
1365alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1366alsa_indev_extralibs="-lasound"
1367alsa_outdev_deps="alsa_asoundlib_h"
1368alsa_outdev_extralibs="-lasound"
1369audio_beos_indev_deps="audio_beos"
1370audio_beos_indev_extralibs="-lmedia -lbe"
1371audio_beos_outdev_deps="audio_beos"
1372audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1373bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1374dv1394_indev_deps="dv1394 dv_demuxer"
1375jack_indev_deps="jack_jack_h"
1376jack_indev_extralibs="-ljack"
1377libdc1394_indev_deps="libdc1394"
38e54a75
SS
1378oss_indev_deps_any="soundcard_h sys_soundcard_h"
1379oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1380v4l_indev_deps="linux_videodev_h"
1381v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1382vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1383vfwcap_indev_extralibs="-lavicap32"
38e54a75 1384x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1385x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1386
912f3148 1387# protocols
3fff6382 1388gopher_protocol_deps="network"
c08fb000 1389http_protocol_deps="network"
cbf29889 1390rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1391rtp_protocol_deps="udp_protocol"
1392tcp_protocol_deps="network"
1393udp_protocol_deps="network"
1394
f7679c54 1395# filters
81124ba0 1396movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1397avfilter_lavf_deps="avformat"
1398
1399# libraries
1400avdevice_deps="avcodec avformat"
1401avformat_deps="avcodec"
f7679c54 1402
912f3148 1403# programs
5a0f7131
MR
1404ffmpeg_deps="avcodec avformat swscale"
1405ffplay_deps="avcodec avformat swscale sdl"
43689902 1406ffplay_select="rdft"
336ce917 1407ffprobe_deps="avcodec avformat"
5a0f7131 1408ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1409ffserver_extralibs='$ldl'
a2830dca 1410
c73f65d9 1411doc_deps="texi2html"
912f3148 1412
de6d9b64 1413# default parameters
8a608357 1414
2ba042a7 1415logfile="config.err"
8a608357
MR
1416
1417# installation paths
c9d19248
MR
1418prefix_default="/usr/local"
1419bindir_default='${prefix}/bin'
14a8acf1 1420datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1421incdir_default='${prefix}/include'
1422libdir_default='${prefix}/lib'
1423mandir_default='${prefix}/share/man'
1424shlibdir_default="$libdir_default"
8a608357
MR
1425
1426# toolchain
11e6d03a 1427ar="ar"
13c7df3d 1428cc_default="gcc"
a3d7c197 1429cc_version=\"unknown\"
9da6609f 1430host_cc_default="gcc"
11e6d03a 1431ln_s="ln -sf"
89641463 1432nm_default="nm"
11e6d03a 1433objformat="elf"
be7109c1 1434ranlib="ranlib"
4f837398 1435strip_default="strip"
11e6d03a 1436yasmexe="yasm"
8a608357 1437
8182dc34
MR
1438nm_opts='-g'
1439
8a608357 1440# machine
8d4c00ed 1441arch_default=$(uname -m)
38d0a8aa 1442cpu="generic"
8a608357 1443
8a608357 1444# OS
8d4c00ed
MR
1445target_os_default=$(tolower $(uname -s))
1446host_os=$target_os_default
8a608357 1447
8a608357 1448# configurable options
5a0f7131
MR
1449enable avcodec
1450enable avdevice
1451enable avformat
dc4f5a1c 1452enable avutil
c8a4ae00 1453enable asm
497237c7 1454enable debug
c73f65d9 1455enable doc
aa033b1e 1456enable fastdiv
497237c7
RP
1457enable ffmpeg
1458enable ffplay
336ce917 1459enable ffprobe
497237c7 1460enable ffserver
497237c7
RP
1461enable mpegaudio_hp
1462enable network
8400d6b8 1463enable optimizations
497237c7 1464enable protocols
530dc538 1465enable static
87a0fb62 1466enable stripping
5a0f7131 1467enable swscale
a9ddb5b1 1468enable swscale_alpha
8a608357 1469
8a608357 1470# build settings
9987769a 1471SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1472FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1473LIBPREF="lib"
1474LIBSUF=".a"
c5f14466
RP
1475FULLNAME='$(NAME)$(BUILDSUF)'
1476LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1477SLIBPREF="lib"
1478SLIBSUF=".so"
c5f14466 1479SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1480SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1481SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1482LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1483
7e6c86e6
MR
1484CC_O='-o $@'
1485
f0125de9 1486host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1487host_libs='-lm'
1488
9b861379 1489target_path='$(CURDIR)'
a7ada2ba 1490
0d7dca36
DB
1491# gcc stupidly only outputs the basename of targets with -MM, but we need the
1492# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1493DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1494DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1495
c597172e 1496# find source path
5e622c40 1497source_path="$(dirname "$0")"
497237c7 1498enable source_path_used
24524f36 1499if test -f configure; then
5e622c40 1500 source_path="$(pwd)"
497237c7 1501 disable source_path_used
c597172e 1502else
5e622c40 1503 source_path="$(cd "$source_path"; pwd)"
c597172e 1504 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1505 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1506 test -e "$source_path/config.h" &&
1507 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1508fi
1509
13cbe2c0 1510for v in "$@"; do
b04251c5
MR
1511 r=${v#*=}
1512 l=${v%"$r"}
1513 r=$(sh_quote "$r")
13cbe2c0
MR
1514 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1515done
c597172e 1516
73ef8980
MR
1517find_things(){
1518 thing=$1
1519 pattern=$2
1520 file=$source_path/$3
932ccf39 1521 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1522}
1523
1524ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1525DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1526HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1527PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1528BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1529MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1530DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1531OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1532INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1533PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1534FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1535
7483e694
DB
1536enable $ARCH_EXT_LIST \
1537 $DECODER_LIST \
1538 $ENCODER_LIST \
5666fd73 1539 $HWACCEL_LIST \
7483e694
DB
1540 $PARSER_LIST \
1541 $BSF_LIST \
1542 $DEMUXER_LIST \
1543 $MUXER_LIST \
f7679c54 1544 $FILTER_LIST \
7483e694
DB
1545 $PROTOCOL_LIST \
1546 $INDEV_LIST \
1547 $OUTDEV_LIST \
c597172e
MR
1548
1549die_unknown(){
1550 echo "Unknown option \"$1\"."
1551 echo "See $0 --help for available options."
1552 exit 1
1553}
1554
794f8e97 1555show_list() {
bf0c4afa
RP
1556 suffix=_$1
1557 shift
2b444ea7 1558 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1559 exit 0
1560}
1561
c597172e 1562for opt do
7483e694
DB
1563 optval="${opt#*=}"
1564 case "$opt" in
0f010b2f 1565 --extra-ldflags=*) add_ldflags $optval
7483e694 1566 ;;
0f010b2f 1567 --extra-libs=*) add_extralibs $optval
7483e694 1568 ;;
8fb1cb58 1569 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1570 ;;
40bcf4c7
BL
1571 --enable-debug=*) debuglevel="$optval"
1572 ;;
7483e694 1573 --enable-*=*|--disable-*=*)
8b93ddc3 1574 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1575 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1576 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1577 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1578 $action $(filter "$name" $list)
7483e694
DB
1579 ;;
1580 --enable-?*|--disable-?*)
5e622c40 1581 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1582 if is_in $option $COMPONENT_LIST; then
fed5d54b 1583 test $action = disable && action=unset
e3773a55
MR
1584 eval $action \$$(toupper ${option%s})_LIST
1585 elif is_in $option $CMDLINE_SELECT; then
1586 $action $option
1587 else
1588 die_unknown $opt
1589 fi
7483e694
DB
1590 ;;
1591 --list-*)
1592 NAME="${opt#--list-}"
1593 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1594 NAME=${NAME%s}
1595 eval show_list $NAME \$$(toupper $NAME)_LIST
1596 ;;
1597 --help|-h) show_help
1598 ;;
1599 *)
884a36a7 1600 optname="${opt%%=*}"
26759c44
MR
1601 optname="${optname#--}"
1602 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1603 if is_in $optname $CMDLINE_SET; then
1604 eval $optname='$optval'
1605 elif is_in $optname $CMDLINE_APPEND; then
1606 append $optname "$optval"
1607 else
1608 die_unknown $opt
1609 fi
7483e694
DB
1610 ;;
1611 esac
c597172e
MR
1612done
1613
bcea99bb
MR
1614disabled logging && logfile=/dev/null
1615
13cbe2c0 1616echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1617set >> $logfile
1618
9da6609f
MR
1619test -n "$cross_prefix" && enable cross_compile
1620
8d4c00ed
MR
1621if enabled cross_compile; then
1622 test -n "$arch" && test -n "$target_os" ||
1623 die "Must specify target arch and OS when cross-compiling"
1624fi
1625
1626set_default arch target_os
1627
adb2b908 1628ar="${cross_prefix}${ar}"
11e6d03a 1629cc_default="${cross_prefix}${cc_default}"
20e0ed95 1630nm_default="${cross_prefix}${nm_default}"
adb2b908 1631ranlib="${cross_prefix}${ranlib}"
4f837398 1632strip_default="${cross_prefix}${strip_default}"
adb2b908 1633
c5200f17
MR
1634sysinclude_default="${sysroot}/usr/include"
1635
4f837398 1636set_default cc nm strip sysinclude
9da6609f
MR
1637enabled cross_compile || host_cc_default=$cc
1638set_default host_cc
13c7df3d 1639
82bb3329
MR
1640exesuf() {
1641 case $1 in
1642 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1643 esac
1644}
1645
1646EXESUF=$(exesuf $target_os)
1647HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1648
e4e69e0b 1649# set temporary file name
a49d42c2 1650: ${TMPDIR:=$TEMPDIR}
c51fafa1 1651: ${TMPDIR:=$TMP}
a49d42c2 1652: ${TMPDIR:=/tmp}
e4e69e0b 1653
54460a83
MR
1654if ! check_cmd type mktemp; then
1655 # simple replacement for missing mktemp
1656 # NOT SAFE FOR GENERAL USE
1657 mktemp(){
1658 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1659 }
1660fi
1661
1662tmpfile(){
1663 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1664 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1665 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1666 append TMPFILES $tmp
1667 eval $1=$tmp
1668}
1669
1670trap 'rm -f -- $TMPFILES' EXIT
1671trap exit HUP INT TERM
1672
1673tmpfile TMPC .c
1674tmpfile TMPE $EXESUF
1675tmpfile TMPH .h
1676tmpfile TMPO .o
1677tmpfile TMPS .S
a482e61b 1678tmpfile TMPV .ver
54460a83
MR
1679tmpfile TMPSH .sh
1680
1681unset -f mktemp
e4e69e0b 1682
993f2d0f
MR
1683# make sure we can execute files in $TMPDIR
1684cat > $TMPSH 2>> $logfile <<EOF
1685#! /bin/sh
1686EOF
1687chmod +x $TMPSH >> $logfile 2>&1
1688if ! $TMPSH >> $logfile 2>&1; then
1689 cat <<EOF
1690Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1691variable to another directory and make sure that it is not mounted noexec.
1692EOF
1693 die "Sanity test failed."
1694fi
993f2d0f 1695
19b4c628
MR
1696filter_cflags=echo
1697filter_cppflags=echo
1698filter_asflags=echo
1699
8f0c157a 1700if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1701 cc_type=gcc
a3d7c197 1702 cc_version=__VERSION__
aef6bd1b
MR
1703 if ! $cc -dumpversion | grep -q '^2\.'; then
1704 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1705 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1706 fi
14ca9cd0
MR
1707 speed_cflags='-O3'
1708 size_cflags='-Os'
629687f6
MR
1709elif $cc --version 2>/dev/null | grep -q Intel; then
1710 cc_type=icc
6e3fa35d 1711 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1712 CC_DEPFLAGS='-MMD'
1713 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1714 speed_cflags='-O3'
1715 size_cflags='-Os'
629687f6
MR
1716elif $cc -v 2>&1 | grep -q xlc; then
1717 cc_type=xlc
6e3fa35d 1718 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1719 speed_cflags='-O5'
1720 size_cflags='-O5 -qcompact'
df442a8d
MR
1721elif $cc -V 2>/dev/null | grep -q Compaq; then
1722 cc_type=ccc
6e3fa35d 1723 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1724 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1725 debuglevel=3
df442a8d 1726 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1727 speed_cflags='-fast'
1728 size_cflags='-O1'
6a0d5493 1729elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1730 test -d "$sysroot" || die "No valid sysroot specified."
1731 cc_type=armcc
6e3fa35d 1732 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1733 armcc_conf="$PWD/armcc.conf"
1734 $cc --arm_linux_configure \
1735 --arm_linux_config_file="$armcc_conf" \
1736 --configure_sysroot="$sysroot" \
1737 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1738 die "Error creating armcc configuration file."
1739 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1740 as_default="${cross_prefix}gcc"
07dec06e
MR
1741 CC_DEPFLAGS='-MMD'
1742 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1743 speed_cflags='-O3'
1744 size_cflags='-Os'
6fec122a
MR
1745elif $cc -version 2>/dev/null | grep -q TMS470; then
1746 cc_type=tms470
6e3fa35d 1747 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1748 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1749 CC_O='-fr=$(@D)'
1750 as_default="${cross_prefix}gcc"
1751 ld_default="${cross_prefix}gcc"
6fec122a
MR
1752 TMPO=$(basename $TMPC .c).o
1753 append TMPFILES $TMPO
1754 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1755 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1756 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1757 speed_cflags='-O3 -mf=5'
1758 size_cflags='-O3 -mf=2'
6fec122a
MR
1759 filter_cflags=tms470_flags
1760 tms470_flags(){
1761 for flag; do
1762 case $flag in
1763 -march=*|-mcpu=*)
1764 case "${flag#*=}" in
1765 armv7-a|cortex-a*) echo -mv=7a8 ;;
1766 armv7-r|cortex-r*) echo -mv=7r4 ;;
1767 armv7-m|cortex-m*) echo -mv=7m3 ;;
1768 armv6*|arm11*) echo -mv=6 ;;
1769 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1770 echo -mv=5e ;;
1771 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1772 esac
1773 ;;
1774 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1775 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1776 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1777 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1778 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1779 -g) echo -g -mn ;;
587d24ff 1780 -pds=*) echo $flag ;;
6fec122a
MR
1781 esac
1782 done
1783 }
06da6943
DC
1784elif $cc -v 2>&1 | grep -q clang; then
1785 cc_type=clang
1786 cc_version=__VERSION__
1787 CC_DEPFLAGS='-MMD'
1788 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1789 speed_cflags='-O3'
1790 size_cflags='-Os'
2a472e9c
MK
1791elif $cc -V 2>&1 | grep -q Sun; then
1792 cc_type=suncc
1793 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1794 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1795 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1796 speed_cflags='-O5'
1797 size_cflags='-O5 -xspace'
03279bbe
MK
1798 filter_cflags=suncc_flags
1799 suncc_flags(){
1800 for flag; do
1801 case $flag in
1802 -march=*|-mcpu=*)
1803 case "${flag#*=}" in
1804 native) echo -xtarget=native ;;
1805 v9) echo -xarch=sparc ;;
1806 ultrasparc) echo -xarch=sparcvis ;;
1807 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1808 i586|pentium) echo -xchip=pentium ;;
1809 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1810 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1811 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1812 pentium4*) echo -xtarget=pentium4 ;;
1813 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1814 *-sse3) echo -xarch=sse3 ;;
1815 core2) echo -xarch=ssse3 -xchip=core2 ;;
1816 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1817 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1818 k8|opteron|athlon64|athlon-fx)
1819 echo -xarch=sse2a ;;
1820 athlon*) echo -xarch=pentium_proa ;;
1821 esac
1822 ;;
1823 -std=c99) echo -xc99 ;;
1824 -fomit-frame-pointer) echo -xregs=frameptr ;;
1825 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1826 -W*,*) echo $flag ;;
1827 -f*-*|-W*) ;;
1828 *) echo $flag ;;
1829 esac
1830 done
1831 }
629687f6
MR
1832fi
1833
1834test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1835
75bafbac 1836: ${as_default:=$cc}
50567afa 1837: ${dep_cc_default:=$cc}
684b28e0 1838: ${ld_default:=$cc}
50567afa 1839set_default as dep_cc ld
75800dce 1840
07dec06e
MR
1841test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1842test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1843
7f32f40c 1844add_cflags $extra_cflags
2f2e6c7c 1845add_asflags $extra_cflags
7f32f40c 1846
154d432c
MR
1847if test -n "$sysroot"; then
1848 case "$cc_type" in
1849 gcc)
467256f2 1850 add_cppflags --sysroot="$sysroot"
154d432c
MR
1851 add_ldflags --sysroot="$sysroot"
1852 ;;
6fec122a
MR
1853 tms470)
1854 add_cppflags -I"$sysinclude"
1855 add_ldflags --sysroot="$sysroot"
1856 ;;
06da6943
DC
1857 clang)
1858 add_cppflags -isysroot="$sysroot"
1859 add_ldflags -isysroot="$sysroot"
1860 ;;
154d432c
MR
1861 esac
1862fi
1863
d22c13a8
MR
1864if test "$cpu" = host; then
1865 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1866
1867 case "$cc_type" in
1868 gcc)
1869 check_native(){
1870 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1871 sed -n "/$1=/{
1872 s/.*$1=\\([^ ]*\\).*/\\1/
1873 p
1874 q
1875 }" $TMPE
d22c13a8
MR
1876 }
1877 cpu=$(check_native -march || check_native -mcpu)
1878 ;;
1879 esac
1880
1881 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1882fi
1883
e939cedd
MR
1884# Deal with common $arch aliases
1885case "$arch" in
1886 arm*)
1887 arch="arm"
1888 ;;
1889 mips|mipsel|IP*)
1890 arch="mips"
1891 ;;
1892 mips64)
1893 arch="mips"
1894 subarch="mips64"
1895 ;;
1896 parisc|hppa)
1897 arch="parisc"
1898 ;;
1899 parisc64|hppa64)
1900 arch="parisc"
1901 subarch="parisc64"
1902 ;;
1903 "Power Macintosh"|ppc|powerpc)
1904 arch="ppc"
1905 ;;
1906 ppc64)
1907 arch="ppc"
1908 subarch="ppc64"
1909 ;;
1910 s390|s390x)
1911 arch="s390"
1912 ;;
1913 sh4|sh)
1914 arch="sh4"
1915 ;;
1916 sun4u|sparc64)
1917 arch="sparc"
1918 subarch="sparc64"
1919 ;;
1920 i[3-6]86|i86pc|BePC|x86_64|amd64)
1921 arch="x86"
1922 ;;
1923esac
1924
1925is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1926enable $arch
e939cedd 1927
df5cdc24 1928# Add processor-specific flags
5d54c126
MR
1929if test "$cpu" = generic; then
1930 : do nothing
1931elif enabled ppc; then
343aef9b 1932
56348891
MR
1933 case $(tolower $cpu) in
1934 601|ppc601|powerpc601)
9dbd5c3d 1935 cpuflags="-mcpu=601"
64ad53ff 1936 disable altivec
9dbd5c3d 1937 ;;
56348891 1938 603*|ppc603*|powerpc603*)
9dbd5c3d 1939 cpuflags="-mcpu=603"
64ad53ff 1940 disable altivec
9dbd5c3d 1941 ;;
56348891 1942 604*|ppc604*|powerpc604*)
9dbd5c3d 1943 cpuflags="-mcpu=604"
64ad53ff 1944 disable altivec
9dbd5c3d 1945 ;;
56348891 1946 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1947 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1948 disable altivec
9dbd5c3d 1949 ;;
56348891 1950 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1951 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1952 ;;
56348891 1953 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1954 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1955 ;;
56348891 1956 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1957 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1958 ;;
56348891 1959 cell)
9dbd5c3d
MR
1960 cpuflags="-mcpu=cell"
1961 enable ldbrx
1962 ;;
7b0b81a1
AL
1963 e500v2)
1964 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1965 disable altivec
1966 ;;
1967 e500)
1968 cpuflags="-mcpu=8540 -mhard-float"
1969 disable altivec
1970 ;;
9dbd5c3d 1971 esac
343aef9b
MR
1972
1973elif enabled x86; then
1974
9dbd5c3d
MR
1975 case $cpu in
1976 i[345]86|pentium)
1977 cpuflags="-march=$cpu"
1978 disable mmx
1979 ;;
1980 # targets that do NOT support conditional mov (cmov)
1981 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1982 cpuflags="-march=$cpu"
1983 disable cmov
1984 ;;
1985 # targets that do support conditional mov (cmov)
1986 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1987 cpuflags="-march=$cpu"
1988 enable cmov
1989 enable fast_cmov
1990 ;;
1991 # targets that do support conditional mov but on which it's slow
1992 pentium4|pentium4m|prescott|nocona)
1993 cpuflags="-march=$cpu"
1994 enable cmov
1995 disable fast_cmov
1996 ;;
1997 esac
343aef9b
MR
1998
1999elif enabled sparc; then
2000
9dbd5c3d
MR
2001 case $cpu in
2002 sparc64)
2003 cpuflags="-mcpu=v9"
2004 ;;
2005 esac
343aef9b
MR
2006
2007elif enabled arm; then
2008
34ba23c9
MR
2009 case $cpu in
2010 armv*)
2011 cpuflags="-march=$cpu"
2012 ;;
2013 *)
2014 cpuflags="-mcpu=$cpu"
2015 ;;
2016 esac
343aef9b
MR
2017
2018elif enabled alpha; then
2019
34ba23c9 2020 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2021
2022elif enabled bfin; then
2023
34ba23c9 2024 cpuflags="-mcpu=$cpu"
343aef9b
MR
2025
2026elif enabled mips; then
2027
34ba23c9 2028 cpuflags="-march=$cpu"
343aef9b
MR
2029
2030elif enabled avr32; then
2031
9dbd5c3d
MR
2032 case $cpu in
2033 ap7[02]0[0-2])
2034 subarch="avr32_ap"
2035 cpuflags="-mpart=$cpu"
2036 ;;
2037 ap)
2038 subarch="avr32_ap"
2039 cpuflags="-march=$cpu"
2040 ;;
2041 uc3[ab]*)
2042 subarch="avr32_uc"
2043 cpuflags="-mcpu=$cpu"
2044 ;;
2045 uc)
2046 subarch="avr32_uc"
2047 cpuflags="-march=$cpu"
2048 ;;
2049 esac
df5cdc24 2050
343aef9b
MR
2051fi
2052
df5cdc24
MR
2053add_cflags $cpuflags
2054add_asflags $cpuflags
2055
993f2d0f
MR
2056# compiler sanity check
2057check_exec <<EOF
2058int main(void){ return 0; }
2059EOF
2060if test "$?" != 0; then
2061 echo "$cc is unable to create an executable file."
2062 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2063 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2064 echo "Only do this if you know what cross compiling means."
2065 fi
2066 die "C compiler test failed."
2067fi
2068
38a9c529 2069add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2070check_cflags -std=c99
50a334e4 2071check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2072#include <stdlib.h>
2073EOF
50a334e4 2074check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2075#include <stdlib.h>
2076EOF
e9b9a2f8 2077
f0125de9
MR
2078check_host_cflags -std=c99
2079
b24dbcbd 2080case "$arch" in
e939cedd 2081 alpha|ia64|mips|parisc|sparc)
8a3c8627 2082 spic=$shared
b24dbcbd 2083 ;;
e939cedd 2084 x86)
cfdb6148 2085 subarch="x86_32"
e939cedd 2086 check_cc <<EOF && subarch="x86_64"
58b3536d 2087 int test[(int)sizeof(char*) - 7];
cfdb6148 2088EOF
de27f4d9 2089 if test "$subarch" = "x86_64"; then
e939cedd 2090 spic=$shared
de27f4d9 2091 fi
b24dbcbd 2092 ;;
b24dbcbd
RP
2093esac
2094
343aef9b 2095enable $subarch
8a3c8627 2096enabled spic && enable pic
5755bc88 2097check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2098
7483e694 2099# OS specific
4f854758 2100case $target_os in
7483e694 2101 beos|haiku|zeta)
c9d19248 2102 prefix_default="$HOME/config"
7483e694 2103 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2104 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2105 case "$gcc_version" in
2106 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2107 disable mmx
2108 ;;
2109 *20010315*) echo "BeBits gcc"
0f010b2f 2110 add_cflags -fno-expensive-optimizations
7483e694
DB
2111 ;;
2112 esac
7483e694
DB
2113 SHFLAGS=-nostart
2114 # enable BeOS things
2115 enable audio_beos
2116 # no need for libm, but the inet stuff
2117 # Check for BONE
2118 # XXX: actually should check for NOT net_server
78fe7631 2119 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2120 network_extralibs="-lbind -lsocket"
2121 else
2122 enable beos_netserver
2123 network_extralibs="-lnet"
2124 fi ;;
2125 sunos)
2126 FFSERVERLDFLAGS=""
9987769a 2127 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2128 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2129 network_extralibs="-lsocket -lnsl"
50a334e4 2130 add_cppflags -D__EXTENSIONS__
8182dc34 2131 nm_opts='-P -g'
7483e694
DB
2132 ;;
2133 netbsd)
07a8eef6
MR
2134 oss_indev_extralibs="-lossaudio"
2135 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2136 ;;
2137 openbsd)
89e053f8 2138 enable malloc_aligned
7c4a001a
MR
2139 # On OpenBSD 4.5. the compiler does not use PIC unless
2140 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2141 # however the generated executable will not do anything
2142 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2143 # Thus explicitly enable PIC here.
cd78208b 2144 enable pic
7483e694 2145 SHFLAGS='-shared'
07a8eef6
MR
2146 oss_indev_extralibs="-lossaudio"
2147 oss_outdev_extralibs="-lossaudio"
7483e694 2148 ;;
90b4f091 2149 freebsd|dragonfly)
89e053f8 2150 enable malloc_aligned
7483e694
DB
2151 ;;
2152 bsd/os)
2153 osextralibs="-lpoll -lgnugetopt"
2154 strip="strip -d"
2155 ;;
2156 darwin)
89e053f8 2157 enable malloc_aligned
0138c54e 2158 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2159 strip="strip -x"
2160 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2161 SLIBSUF=".dylib"
2162 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2163 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2164 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2165 objformat="macho"
1b0f6fb8 2166 enabled x86_64 && objformat="macho64"
8dfa86f7 2167 enabled_any pic shared ||
2704bd1a 2168 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2169 ;;
2170 mingw32*)
9d3f4f50 2171 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2172 disable network
2173 else
2174 target_os=mingw32
2175 fi
dcc01c06 2176 LIBTARGET=i386
1fc9fb8a 2177 if enabled x86_64; then
89e053f8 2178 enable malloc_aligned
dcc01c06 2179 LIBTARGET=x64
336cc1b0
MS
2180 elif enabled arm; then
2181 LIBTARGET=arm
dcc01c06 2182 fi
fbd971a4 2183 shlibdir_default="$bindir_default"
7483e694
DB
2184 disable ffserver
2185 SLIBPREF=""
2186 SLIBSUF=".dll"
7483e694
DB
2187 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2188 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2189 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2190 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2191 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2192 install -d "$(LIBDIR)"; \
2193 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2194 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2195 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2196 objformat="win32"
bc574408 2197 enable dos_paths
1894e741 2198 check_cflags -fno-common
b1549d61 2199 if ! enabled x86_64; then
f7ad5aa2
RP
2200 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2201 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2202 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2203 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2204 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2205 fi
7483e694
DB
2206 ;;
2207 cygwin*)
4f854758 2208 target_os=cygwin
fbd971a4 2209 shlibdir_default="$bindir_default"
7483e694
DB
2210 SLIBPREF="cyg"
2211 SLIBSUF=".dll"
2212 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2213 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2214 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2215 objformat="win32"
bc574408 2216 enable dos_paths
1894e741 2217 check_cflags -fno-common
7483e694 2218 ;;
4f365f37 2219 *-dos|freedos|opendos)
fdf11906 2220 disable ffplay ffserver
4f365f37
MK
2221 disable $INDEV_LIST $OUTDEV_LIST
2222 network_extralibs="-lsocket"
ff1c015d 2223 objformat="coff"
bc574408 2224 enable dos_paths
4f365f37 2225 ;;
7483e694 2226 linux)
7483e694
DB
2227 enable dv1394
2228 ;;
2229 irix*)
4f854758 2230 target_os=irix
7483e694
DB
2231 ranlib="echo ignoring ranlib"
2232 ;;
d22e8442 2233 os/2*)
d22e8442
DY
2234 strip="lxlite"
2235 ln_s="cp -f"
d22e8442 2236 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2237 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2238 FFSERVERLDFLAGS=""
287d3b13 2239 LIBSUF="_s.a"
d22e8442
DY
2240 SLIBPREF=""
2241 SLIBSUF=".dll"
2242 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2243 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2244 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2245 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2246 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2247 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2248 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2249 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2250 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2251 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2252 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2253 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2254 enable dos_paths
d22e8442 2255 ;;
83993c1c
AM
2256 gnu/kfreebsd)
2257 ;;
34e82167 2258 gnu)
34e82167 2259 ;;
614d8911
MR
2260 none)
2261 ;;
7483e694 2262 *)
4f924f9a 2263 die "Unknown OS '$target_os'."
7483e694
DB
2264 ;;
2265esac
2266
c9d19248
MR
2267set_default $PATHS_LIST
2268
c597172e 2269add_extralibs $osextralibs
de6d9b64 2270
28d8e661
DB
2271# Combine FFLDFLAGS and the LDFLAGS environment variable.
2272LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2273
320d060a 2274# we need to build at least one lib type
93b3c083 2275if ! enabled_any static shared; then
320d060a
DB
2276 cat <<EOF
2277At least one library type must be built.
2278Specify --enable-static to build the static libraries or --enable-shared to
2279build the shared libraries as well. To only build the shared libraries specify
2280--disable-static in addition to --enable-shared.
2281EOF
2282 exit 1;
2283fi
2284
abc4e572 2285disabled static && LIBNAME=""
2a320695 2286
a2234ceb
RP
2287if enabled_any libfaad libfaadbin ; then
2288 if check_header faad.h; then
295b8c70 2289 check_cc <<EOF
a2234ceb
RP
2290#include <faad.h>
2291#ifndef FAAD2_VERSION
2292ok faad1
2293#endif
db817cf3 2294int main(void) { return 0; }
a2234ceb
RP
2295EOF
2296 test $? = 0 && enable libfaad2
2297 else
ff3dac65 2298 die "FAAD test failed."
a2234ceb
RP
2299 fi
2300fi
2301
2302
2184c6f7 2303die_license_disabled() {
4c27207c 2304 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2305}
2306
2307die_license_disabled gpl libfaad2
2308die_license_disabled gpl libx264
2309die_license_disabled gpl libxvid
2310die_license_disabled gpl postproc
2311die_license_disabled gpl x11grab
2312
2f7ae63b 2313die_license_disabled nonfree libfaac
b2e3c528 2314
0b175caa
DB
2315die_license_disabled version3 libopencore_amrnb
2316die_license_disabled version3 libopencore_amrwb
2317
9cad0e4e 2318enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2319
9eeed841 2320check_deps $ARCH_EXT_LIST
0f3cb305 2321
40617a6d 2322disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2323
e276d9e8
MR
2324enable_pic() {
2325 enable pic
bce7b696
MR
2326 add_cppflags -DPIC
2327 add_cflags -fPIC
2328 add_asflags -fPIC
e276d9e8
MR
2329}
2330
2331enabled pic && enable_pic
bce7b696 2332
b4d96ba2
MR
2333check_cc <<EOF || die "Symbol mangling check failed."
2334int ff_extern;
2335EOF
8182dc34 2336sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2337extern_prefix=${sym%%ff_extern*}
2338
f65883c8
MR
2339check_cc <<EOF && enable inline_asm
2340void foo(void) { __asm__ volatile ("" ::); }
2341EOF
61d251db 2342
df5e3978
MR
2343_restrict=
2344for restrict_keyword in restrict __restrict__ __restrict; do
2345 check_cc <<EOF && _restrict=$restrict_keyword && break
2346void foo(char * $restrict_keyword p);
2347EOF
2348done
2349
2350check_cc <<EOF && enable attribute_packed
2351struct { int x; } __attribute__((packed)) x;
2352EOF
2353
dffb41b9
MR
2354check_cc <<EOF && enable attribute_may_alias
2355union { int x; } __attribute__((may_alias)) x;
2356EOF
2357
df5e3978
MR
2358check_cc <<EOF || die "endian test failed"
2359unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2360EOF
48fc536a 2361od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2362
e939cedd
MR
2363if enabled alpha; then
2364
2365 check_cflags -mieee
2366
2367elif enabled arm; then
e45391bb 2368
50fa82e6
MR
2369 check_cflags -marm
2370
fa0912fe
MR
2371 check_ld <<EOF && enable vfp_args
2372__asm__ (".eabi_attribute 28, 1");
2373int main(void) { return 0; }
2374EOF
2375
2376 # We have to check if pld is a nop and disable it.
2377 check_asm pld '"pld [r0]"'
2378
2379 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2380 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2381 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2382 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2383 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2384 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2385
e276d9e8
MR
2386 enabled_all armv6t2 shared !pic && enable_pic
2387
e939cedd
MR
2388elif enabled ia64; then
2389
2390 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2391 enabled shared && enable_weak hardcoded_tables
2392
fa0912fe 2393elif enabled mips; then
e45391bb 2394
fa0912fe
MR
2395 check_asm loongson '"dmult.g $1, $2, $3"'
2396 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2397
fa0912fe 2398elif enabled ppc; then
e45391bb 2399
e6a0c354
MR
2400 enable local_aligned_8 local_aligned_16
2401
fa0912fe
MR
2402 check_asm dcbzl '"dcbzl 0, 1"'
2403 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2404 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2405
2406 # AltiVec flags: The FSF version of GCC differs from the Apple version
2407 if enabled altivec; then
2408 check_cflags -maltivec -mabi=altivec &&
2409 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2410 check_cflags -faltivec
2411
2412 # check if our compiler supports Motorola AltiVec C API
2413 check_cc <<EOF || disable altivec
2414$inc_altivec_h
2415int main(void) {
2416 vector signed int v1, v2, v3;
2417 v1 = vec_add(v2,v3);
2418 return 0;
2419}
2420EOF
2421
2422 # check if our compiler supports braces for vector declarations
2423 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2424$inc_altivec_h
2425int main (void) { (vector int) {1}; return 0; }
2426EOF
2427 fi
e45391bb 2428
fa0912fe 2429elif enabled sparc; then
e45391bb 2430
fa0912fe
MR
2431 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2432 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2433
fa0912fe 2434elif enabled x86; then
e45391bb 2435
e6a0c354
MR
2436 enable local_aligned_8 local_aligned_16
2437
44965991
PI
2438 # check whether EBP is available on x86
2439 # As 'i' is stored on the stack, this program will crash
2440 # if the base pointer is used to access it because the
2441 # base pointer is cleared in the inline assembly code.
7dfef245 2442 check_exec_crash <<EOF && enable ebp_available
44965991 2443 volatile int i=0;
be449fca 2444 __asm__ volatile (
44965991
PI
2445 "xorl %%ebp, %%ebp"
2446 ::: "%ebp");
2447 return i;
44965991
PI
2448EOF
2449
f494213c 2450 # check whether EBX is available on x86
7cee5421
MR
2451 check_asm ebx_available '""::"b"(0)' &&
2452 check_asm ebx_available '"":::"%ebx"'
8e380710 2453
d3a4b4e0
DB
2454 # check whether more than 10 operands are supported
2455 check_cc <<EOF && enable ten_operands
2456int main(void) {
2457 int x=0;
2458 __asm__ volatile(
2459 ""
2460 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2461 );
2462 return 0;
2463}
2464EOF
2465
d7f0920b 2466 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2467 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2468 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2469
2470 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2471
d52481b9 2472 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2473 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2474 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2475 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2476 case "$objformat" in
2477 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2478 esac
7595a5e4 2479 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2480
669b5583
MR
2481 case "$cpu" in
2482 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2483 disable fast_clz
2484 ;;
2485 esac
2486
44965991
PI
2487fi
2488
a98bb16d
RP
2489if check_func dlopen; then
2490 ldl=
2491elif check_func dlopen -ldl; then
2492 ldl=-ldl
8bf5d58f
MN
2493fi
2494
75ecf149
DB
2495# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2496check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2497
7483e694 2498check_func fork
84882df6 2499check_func getaddrinfo $network_extralibs
7483e694
DB
2500check_func gethrtime
2501check_func getrusage
fc5607f8 2502check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2503check_func inet_aton $network_extralibs
abfc8d05 2504check_func isatty
4ae40685 2505check_func ${malloc_prefix}memalign && enable memalign
7483e694 2506check_func mkstemp
4ae40685 2507check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2508check_func setrlimit
b507ebd1 2509check_func_headers io.h setmode
e4673692 2510check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2511check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2512check_func_headers windows.h GetProcessTimes
7c5bfe7a 2513check_func_headers windows.h VirtualAlloc
6ffa87d3 2514
e16e49ac 2515check_header conio.h
a98bb16d 2516check_header dlfcn.h
92c6a099 2517check_header dxva2api.h
a98bb16d 2518check_header malloc.h
bf6ce82d 2519check_header poll.h
b58412f1 2520check_header sys/mman.h
b091aa44 2521check_header sys/resource.h
bf6ce82d 2522check_header sys/select.h
a98bb16d 2523check_header termios.h
272081b0
CEH
2524check_header vdpau/vdpau.h
2525check_header vdpau/vdpau_x11.h
68178ca9 2526check_header X11/extensions/XvMClib.h
a98bb16d 2527
9104cd51
RP
2528check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2529
89e053f8
MR
2530if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2531 enabled_any $need_memalign ; then
1f91cdce 2532 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2533fi
e16e49ac 2534
a4fa192c 2535disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2536disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2537
2538# check for some common methods of building with pthread support
2539# do this before the optional library checks as some of them require pthreads
2540if enabled pthreads; then
9e7fd101
MR
2541 if check_func pthread_create; then
2542 :
2543 elif check_func pthread_create -pthread; then
2544 add_cflags -pthread
afc9aee2 2545 add_extralibs -pthread
9e7fd101
MR
2546 elif check_func pthread_create -pthreads; then
2547 add_cflags -pthreads
afc9aee2 2548 add_extralibs -pthreads
8d94f606
GT
2549 elif check_func pthread_create -lpthreadGC2; then
2550 add_extralibs -lpthreadGC2
9e7fd101
MR
2551 elif ! check_lib pthread.h pthread_create -lpthread; then
2552 die "ERROR: can't find pthreads library"
2553 fi
57bd82d4
MR
2554fi
2555
8eee7025 2556for thread in $THREADS_LIST; do
e5f94c2b 2557 if enabled $thread; then
3ae3b721
RP
2558 test -n "$thread_type" &&
2559 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2560 thread_type="$thread"
e5f94c2b
RP
2561 fi
2562done
2563
fdf88598 2564check_lib math.h sin -lm
ff418735 2565check_lib va/va.h vaInitialize -lva
fdf88598 2566
645d2652
MR
2567check_mathfunc exp2
2568check_mathfunc exp2f
2569check_mathfunc llrint
2570check_mathfunc log2
2571check_mathfunc log2f
2572check_mathfunc lrint
2573check_mathfunc lrintf
2574check_mathfunc round
2575check_mathfunc roundf
2576check_mathfunc truncf
f32adb22 2577
57bd82d4 2578# these are off by default, so fail if requested and not available
a1b3c5a3 2579enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2580enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2581 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2582 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2583enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2584enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2585enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2586enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2587enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2588enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2589enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2590enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2591enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2592 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2593enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2594enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2595enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2596enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2597 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2598 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2599enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2600enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2601
0b4a1821
AS
2602# libdc1394 check
2603if enabled libdc1394; then
2604 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2605 enable libdc1394_2; } ||
2606 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2607 enable libdc1394_1; } ||
2608 die "ERROR: No version of libdc1394 found "
2609fi
2610
6a1a892f 2611SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2612if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2613 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2614 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2615 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2616 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2617 enable sdl &&
2618 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2619fi
57bd82d4 2620
2270b4b2 2621texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2622
73b46a95 2623if enabled network; then
96000432 2624 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2625 check_type netdb.h "struct addrinfo"
b4d68544
MS
2626 check_type netinet/in.h "struct ipv6_mreq"
2627 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2628 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2629 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2630 # Prefer arpa/inet.h over winsock2
2631 if check_header arpa/inet.h ; then
2632 check_func closesocket
2633 elif check_header winsock2.h ; then
f4c13872
MS
2634 check_func_headers winsock2.h closesocket -lws2 && \
2635 network_extralibs="-lws2" || \
2636 { check_func_headers winsock2.h closesocket -lws2_32 && \
2637 network_extralibs="-lws2_32"; }
72be9e73 2638 check_type ws2tcpip.h socklen_t
c0018613 2639 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2640 check_type ws2tcpip.h "struct ipv6_mreq"
2641 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2642 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2643 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2644 else
2645 disable network
73b46a95
RP
2646 fi
2647fi
2648
06e31011
RP
2649check_header linux/videodev.h
2650check_header linux/videodev2.h
1b6e8b73 2651check_header sys/videoio.h
47f38850 2652
27796dc3 2653check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2654
f8aa696f 2655# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2656{ check_header dev/bktr/ioctl_meteor.h &&
2657 check_header dev/bktr/ioctl_bt848.h; } ||
2658{ check_header machine/ioctl_meteor.h &&
2659 check_header machine/ioctl_bt848.h; } ||
2660{ check_header dev/video/meteor/ioctl_meteor.h &&
2661 check_header dev/video/bktr/ioctl_bt848.h; } ||
2662check_header dev/ic/bt8xx.h
f8aa696f 2663
c7682de0
RP
2664check_header sys/soundcard.h
2665check_header soundcard.h
deb29777 2666
b6f3d925 2667enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2668
0e57fe17 2669enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2670
56a059ac 2671enabled x11grab &&
f58f4ce1
GP
2672check_header X11/Xlib.h &&
2673check_header X11/extensions/XShm.h &&
0a045661 2674check_header X11/extensions/Xfixes.h &&
f58f4ce1 2675check_func XOpenDisplay -lX11 &&
781c1aa6
R
2676check_func XShmCreateImage -lX11 -lXext &&
2677check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2678
598ef02b 2679if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2680check_cpp_condition \
2681 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2682 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2683 disable vdpau; }
abf649c7 2684fi
deda2a4a 2685
95e561ec 2686enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2687
2688# add some useful compiler flags if supported
2689check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2690check_cflags -Wall
2691check_cflags -Wno-switch
c07bd6a9
MN
2692check_cflags -Wdisabled-optimization
2693check_cflags -Wpointer-arith
2694check_cflags -Wredundant-decls
cc1fb623 2695check_cflags -Wno-pointer-sign
f4929996 2696check_cflags -Wcast-qual
9aceb3cf 2697check_cflags -Wwrite-strings
652a5bf6 2698check_cflags -Wtype-limits
764551c6 2699check_cflags -Wundef
5af4e0cc 2700enabled extra_warnings && check_cflags -Winline
cf9d24ad 2701
57bd82d4 2702# add some linker flags
5c0e9479 2703check_ldflags -Wl,--warn-common
8351d2ba
DB
2704check_ldflags -Wl,--as-needed
2705check_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 2706check_ldflags -Wl,-Bsymbolic
94a3401e 2707
a482e61b
MR
2708echo "X{};" > $TMPV
2709test_ldflags -Wl,--version-script,$TMPV &&
2710 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2711
bd2216e4 2712if enabled small; then
14ca9cd0 2713 add_cflags $size_cflags
8400d6b8
DB
2714 optimizations="small"
2715elif enabled optimizations; then
14ca9cd0 2716 add_cflags $speed_cflags
cddf3f45 2717fi
11fdbc44 2718check_cflags -fno-math-errno
b2eb2ff0 2719check_cflags -fno-signed-zeros
cddf3f45 2720
629687f6 2721if enabled icc; then
b1598b58
MR
2722 # Just warnings, no remarks
2723 check_cflags -w1
2724 # -wd: Disable following warnings
2725 # 144, 167, 556: -Wno-pointer-sign
2726 # 10006: ignoring unknown option -fno-signed-zeros
2727 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2728 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2729 # 11030: Warning unknown option --as-needed
2730 # 10156: ignoring option '-export'; no argument required
2731 check_ldflags -wd10156,11030
2732 # Allow to compile with optimizations
2733 check_ldflags -march=$cpu
be2cf98a
CEH
2734 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2735 enable ebp_available
df442a8d
MR
2736elif enabled ccc; then
2737 # disable some annoying warnings
2738 add_cflags -msg_disable cvtu32to64
2739 add_cflags -msg_disable embedcomment
2740 add_cflags -msg_disable needconstext
2741 add_cflags -msg_disable nomainieee
2742 add_cflags -msg_disable ptrmismatch1
2743 add_cflags -msg_disable unreachcode
973859f5
MR
2744elif enabled gcc; then
2745 check_cflags -fno-tree-vectorize
06da6943
DC
2746elif enabled clang; then
2747 check_cflags -Qunused-arguments
138132be
MR
2748elif enabled armcc; then
2749 # 2523: use of inline assembler is deprecated
2750 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2751 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2752elif enabled tms470; then
2753 add_cflags -pds=824 -pds=837
504a64b9
CEH
2754fi
2755
90be59ef 2756if enabled gprof; then
0f010b2f
DB
2757 add_cflags -p
2758 add_ldflags -p
1db54e20
DB
2759fi
2760
7f3c02fc 2761# Find out if the .align argument is a power of two or not.
9377b6ce 2762check_asm asmalign_pot '".align 3"'
4454dc1b 2763
7483e694
DB
2764enabled_any $DECODER_LIST && enable decoders
2765enabled_any $ENCODER_LIST && enable encoders
5666fd73 2766enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2767enabled_any $BSF_LIST && enable bsfs
2768enabled_any $DEMUXER_LIST && enable demuxers
2769enabled_any $MUXER_LIST && enable muxers
f7679c54 2770enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2771enabled_any $INDEV_LIST && enable indevs
2772enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2773enabled_any $PROTOCOL_LIST && enable protocols
2774
2775enabled_any $THREADS_LIST && enable threads
2776
2777check_deps $CONFIG_LIST \
b6bb00b0 2778 $CONFIG_EXTRA \
7483e694
DB
2779 $HAVE_LIST \
2780 $DECODER_LIST \
2781 $ENCODER_LIST \
5666fd73 2782 $HWACCEL_LIST \
7483e694
DB
2783 $PARSER_LIST \
2784 $BSF_LIST \
2785 $DEMUXER_LIST \
2786 $MUXER_LIST \
f7679c54 2787 $FILTER_LIST \
7483e694
DB
2788 $INDEV_LIST \
2789 $OUTDEV_LIST \
2790 $PROTOCOL_LIST \
f70f03f6 2791
c8a4ae00
MR
2792enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2793
3e89171a 2794echo "install prefix $prefix"
f36958f8
DB
2795echo "source path $source_path"
2796echo "C compiler $cc"
bfd5afd8 2797echo ".align is power-of-two $asmalign_pot"
f36958f8 2798echo "ARCH $arch ($cpu)"
ce8871c2
MR
2799if test "$build_suffix" != ""; then
2800 echo "build suffix $build_suffix"
eb94aca9 2801fi
ac63af34
DB
2802if test "$extra_version" != ""; then
2803 echo "version string suffix $extra_version"
2804fi
0db2ce77 2805echo "big-endian ${bigendian-no}"
e90f5b5a 2806echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2807if enabled x86; then
af44e8e4 2808 echo "yasm ${yasm-no}"
0db2ce77 2809 echo "MMX enabled ${mmx-no}"
30e98e62 2810 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2811 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2812 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2813 echo "SSE enabled ${sse-no}"
30e98e62 2814 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2815 echo "CMOV enabled ${cmov-no}"
2816 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2817 echo "EBX available ${ebx_available-no}"
2818 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2819 echo "10 operands supported ${ten_operands-no}"
e41e8342 2820fi
5b6c2cbd 2821if enabled arm; then
0db2ce77
MR
2822 echo "ARMv5TE enabled ${armv5te-no}"
2823 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2824 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2825 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2826 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2827 echo "NEON enabled ${neon-no}"
eba9ae3c 2828fi
5b6c2cbd 2829if enabled mips; then
0db2ce77 2830 echo "MMI enabled ${mmi-no}"
e41e8342 2831fi
5b6c2cbd 2832if enabled ppc; then
0db2ce77 2833 echo "AltiVec enabled ${altivec-no}"
30e98e62 2834 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2835 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2836 echo "performance report ${powerpc_perf-no}"
2837fi
2838if enabled sparc; then
2839 echo "VIS enabled ${vis-no}"
e41e8342 2840fi
0db2ce77
MR
2841echo "gprof enabled ${gprof-no}"
2842echo "debug symbols ${debug-no}"
87a0fb62 2843echo "strip symbols ${stripping-no}"
8400d6b8 2844echo "optimizations ${optimizations-no}"
0db2ce77
MR
2845echo "static ${static-no}"
2846echo "shared ${shared-no}"
4a24ab64 2847echo "postprocessing support ${postproc-no}"
f7679c54 2848echo "new filter support ${avfilter-no}"
81124ba0 2849echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2850echo "network support ${network-no}"
0db2ce77
MR
2851echo "threading support ${thread_type-no}"
2852echo "SDL support ${sdl-no}"
0db2ce77
MR
2853echo "Sun medialib support ${mlib-no}"
2854echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2855echo "libdc1394 support ${libdc1394-no}"
690bfceb 2856echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2857echo "libfaac enabled ${libfaac-no}"
2858echo "libfaad enabled ${libfaad-no}"
7e0871a7 2859echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2860echo "libgsm enabled ${libgsm-no}"
2861echo "libmp3lame enabled ${libmp3lame-no}"
2862echo "libnut enabled ${libnut-no}"
0b175caa
DB
2863echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2864echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2865echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2866echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2867echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2868echo "libtheora enabled ${libtheora-no}"
2869echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2870echo "libx264 enabled ${libx264-no}"
2871echo "libxvid enabled ${libxvid-no}"
0db2ce77 2872echo "zlib enabled ${zlib-no}"
f402916e 2873echo "bzlib enabled ${bzlib-no}"
2c62e737 2874echo
de6d9b64 2875
5666fd73 2876for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2877 echo "Enabled ${type}s:"
f65c9da1 2878 eval list=\$$(toupper $type)_LIST
8138b9db 2879 for part in $list; do
f65c9da1
MR
2880 enabled $part && echo ${part%_*}
2881 done | sort | pr -3 -t
2882 echo
8138b9db
RP
2883done
2884
ba7a7039 2885license="LGPL version 2.1 or later"
ba321adb 2886if enabled nonfree; then
ba7a7039 2887 license="nonfree and unredistributable"
9cad0e4e
DB
2888elif enabled gplv3; then
2889 license="GPL version 3 or later"
2890elif enabled lgplv3; then
2891 license="LGPL version 3 or later"
ba321adb 2892elif enabled gpl; then
ba7a7039 2893 license="GPL version 2 or later"
ba321adb
JK
2894fi
2895
2896echo "License: $license"
ca5323af 2897
cf1392e9
DB
2898echo "Creating config.mak and config.h..."
2899
df642790
MR
2900# build tree in object directory if source path is different from current one
2901if enabled source_path_used; then
2902 DIRS="
2903 doc
2904 libavcodec
2905 libavcodec/$arch
2906 libavdevice
2907 libavfilter
2908 libavformat
2909 libavutil
2910 libavutil/$arch
2911 libpostproc
2912 libswscale
2913 libswscale/$arch
2914 tests
2915 tools
2916 "
2917 FILES="
2918 Makefile
2919 common.mak
2920 subdir.mak
2921 doc/texi2pod.pl
2922 libavcodec/Makefile
2923 libavdevice/Makefile
2924 libavfilter/Makefile
2925 libavformat/Makefile
2926 libavutil/Makefile
2927 libpostproc/Makefile
2928 libswscale/Makefile
2929 "
2930 for dir in $DIRS ; do
2931 mkdir -p $dir
2932 done
2933 for f in $FILES ; do
2934 $ln_s "$source_path/$f" $f
2935 done
2936fi
2937
ad212cc6
MR
2938enabled stripping || strip="echo skipping strip"
2939
173c983b
MR
2940cat > config.mak <<EOF
2941# Automatically generated by configure - do not modify!
2942ifndef FFMPEG_CONFIG_MAK
2943FFMPEG_CONFIG_MAK=1
2944FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2945prefix=$prefix
2946LIBDIR=\$(DESTDIR)$libdir
2947SHLIBDIR=\$(DESTDIR)$shlibdir
2948INCDIR=\$(DESTDIR)$incdir
2949BINDIR=\$(DESTDIR)$bindir
2950DATADIR=\$(DESTDIR)$datadir
2951MANDIR=\$(DESTDIR)$mandir
2952SRC_PATH="$source_path"
2953SRC_PATH_BARE=$source_path
2954BUILD_ROOT="$PWD"
2955ARCH=$arch
2956CC=$cc
2957AS=$as
2958LD=$ld
2959DEPCC=$dep_cc
2960YASM=$yasmexe
2961AR=$ar
2962RANLIB=$ranlib
2963LN_S=$ln_s
2964STRIP=$strip
2965CPPFLAGS=$CPPFLAGS
2966CFLAGS=$CFLAGS
2967ASFLAGS=$ASFLAGS
2968CC_O=$CC_O
2969LDFLAGS=$LDFLAGS
2970FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2971SHFLAGS=$SHFLAGS
2972YASMFLAGS=$YASMFLAGS
2973BUILDSUF=$build_suffix
2974FULLNAME=$FULLNAME
2975LIBPREF=$LIBPREF
2976LIBSUF=$LIBSUF
2977LIBNAME=$LIBNAME
2978SLIBPREF=$SLIBPREF
2979SLIBSUF=$SLIBSUF
2980EXESUF=$EXESUF
2981EXTRA_VERSION=$extra_version
2982DEPFLAGS=$DEPFLAGS
2983CCDEP=$CCDEP
2984ASDEP=$ASDEP
2985CC_DEPFLAGS=$CC_DEPFLAGS
2986AS_DEPFLAGS=$AS_DEPFLAGS
2987HOSTCC=$host_cc
2988HOSTCFLAGS=$host_cflags
2989HOSTEXESUF=$HOSTEXESUF
2990HOSTLDFLAGS=$host_ldflags
2991HOSTLIBS=$host_libs
2992TARGET_EXEC=$target_exec
2993TARGET_PATH=$target_path
2994SDL_LIBS=$sdl_libs
2995SDL_CFLAGS=$sdl_cflags
2996LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2997EXTRALIBS=$extralibs
2998EOF
5a872801 2999
719c8e00
MR
3000get_version(){
3001 name=$1
3002 file=$source_path/$2
147e7692
MR
3003 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3004 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3005 lcname=$(tolower $name)
3006 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3007 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3008}
3009
147e7692
MR
3010get_version LIBSWSCALE libswscale/swscale.h
3011get_version LIBPOSTPROC libpostproc/postprocess.h
3012get_version LIBAVCODEC libavcodec/avcodec.h
3013get_version LIBAVDEVICE libavdevice/avdevice.h
3014get_version LIBAVFORMAT libavformat/avformat.h
3015get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3016get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3017
173c983b
MR
3018enabled shared && cat >> config.mak <<EOF
3019LIBTARGET=${LIBTARGET}
3020SLIBNAME=${SLIBNAME}
3021SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3022SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3023SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3024SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3025SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3026SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3027EOF
523ef551 3028
173c983b
MR
3029enabled asmalign_pot || align_shift="1 <<"
3030
3031cat > $TMPH <<EOF
3032/* Automatically generated by configure - do not modify! */
3033#ifndef FFMPEG_CONFIG_H
3034#define FFMPEG_CONFIG_H
3035#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3036#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3037#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3038#define CC_TYPE "$cc_type"
3039#define CC_VERSION $cc_version
3040#define restrict $_restrict
3041#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3042#define EXTERN_PREFIX "${extern_prefix}"
3043#define EXTERN_ASM ${extern_prefix}
3044EOF
523ef551 3045
4ae40685
MR
3046test -n "$malloc_prefix" &&
3047 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3048
523ef551
DB
3049if enabled small || disabled optimizations; then
3050 echo "#define av_always_inline" >> $TMPH
3051fi
3052
3d907e22
MR
3053print_config ARCH_ $TMPH config.mak $ARCH_LIST
3054print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3055print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3056 $CONFIG_EXTRA \
7483e694
DB
3057 $DECODER_LIST \
3058 $ENCODER_LIST \
5666fd73 3059 $HWACCEL_LIST \
7483e694
DB
3060 $PARSER_LIST \
3061 $BSF_LIST \
3062 $DEMUXER_LIST \
3063 $MUXER_LIST \
f7679c54 3064 $FILTER_LIST \
7483e694
DB
3065 $PROTOCOL_LIST \
3066 $INDEV_LIST \
3067 $OUTDEV_LIST \
8ac17293 3068
9c05103f 3069echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3070echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3071
b7860763 3072# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3073cp_if_changed $TMPH config.h
3d204385 3074
a3e02a8c
MR
3075cat > $TMPH <<EOF
3076/* Generated by ffconf */
3077#ifndef AVUTIL_AVCONFIG_H
3078#define AVUTIL_AVCONFIG_H
3079EOF
3080
3081print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3082
3083echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3084
3085cp_if_changed $TMPH libavutil/avconfig.h
3086
d0674868 3087# build pkg-config files
def4272a 3088
d0674868
DB
3089pkgconfig_generate(){
3090name=$1
b0dfd108 3091shortname=${name#lib}${build_suffix}
d0674868
DB
3092comment=$2
3093version=$3
3094libs=$4
3095requires=$5
25cd5cb3 3096cat <<EOF > $name/$name.pc
3e89171a 3097prefix=$prefix
a94e666c 3098exec_prefix=\${prefix}
f2b7382c 3099libdir=$libdir
7622778e 3100includedir=$incdir
def4272a 3101
d0674868
DB
3102Name: $name
3103Description: $comment
3104Version: $version
8cd6b388 3105Requires: $(enabled shared || echo $requires)
5dcfe9f8 3106Requires.private: $(enabled shared && echo $requires)
def4272a 3107Conflicts:
8cd6b388 3108Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3109Libs.private: $(enabled shared && echo $libs)
76a448ed 3110Cflags: -I\${includedir}
def4272a 3111EOF
25cd5cb3 3112cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3113prefix=
3114exec_prefix=
46d1ff83 3115libdir=\${pcfiledir}
1d44d365 3116includedir=${source_path}
def4272a 3117
d0674868
DB
3118Name: $name
3119Description: $comment
3120Version: $version
3121Requires: $requires
def4272a 3122Conflicts:
12701f6e 3123Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3124Cflags: -I\${includedir}
3125EOF
d0674868 3126}
def4272a 3127
e426941d 3128pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3129pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3130pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3131pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3132enabled avfilter &&
46983309 3133 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3134enabled postproc &&
e426941d 3135 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3136pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"