Samsung uses SIPP as FourCC for MPEG-4 ASP.
[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(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
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93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
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100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
7f3f5f46 106 --disable-dct disable DCT code
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107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
92c6a099 114 --disable-dxva2 disable DXVA2 code
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115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --enable-beos-netserver enable BeOS netserver
bb55e3a3 119 --disable-everything disable all components listed below
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120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfaad enable FAAD support via libfaad [no]
174 --enable-libfaadbin open libfaad.so.0 at runtime [no]
175 --enable-libgsm enable GSM support via libgsm [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libnut enable NUT (de)muxing via libnut,
178 native (de)muxer exists [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 180 --enable-librtmp enable RTMP[E] support via librtmp [no]
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181 --enable-libschroedinger enable Dirac support via libschroedinger [no]
182 --enable-libspeex enable Speex decoding via libspeex [no]
183 --enable-libtheora enable Theora encoding via libtheora [no]
184 --enable-libvorbis enable Vorbis encoding via libvorbis,
185 native implementation exists [no]
8299a7f8 186 --enable-libvpx enable VP8 support via libvpx [no]
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187 --enable-libx264 enable H.264 encoding via x264 [no]
188 --enable-libxvid enable Xvid encoding via xvidcore,
189 native MPEG-4/Xvid encoder exists [no]
190 --enable-mlib enable Sun medialib [no]
191 --enable-zlib enable zlib [autodetect]
192
193Advanced options (experts only):
194 --source-path=PATH path to source code [$source_path]
195 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
196 --enable-cross-compile assume a cross-compiler is used
197 --sysroot=PATH root of cross-build tree
198 --sysinclude=PATH location of cross-build system headers
199 --target-os=OS compiler targets OS [$target_os]
200 --target-exec=CMD command to run executables on target
201 --target-path=DIR path to view of build directory on target
202 --nm=NM use nm tool
121d78d0 203 --ar=AR use archive tool AR [$ar_default]
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204 --as=AS use assembler AS [$as_default]
205 --cc=CC use C compiler CC [$cc_default]
206 --ld=LD use linker LD
207 --host-cc=HOSTCC use host C compiler HOSTCC
208 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
209 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
210 --host-libs=HLIBS use libs HLIBS when linking for host
211 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
212 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
213 --extra-libs=ELIBS add ELIBS [$ELIBS]
214 --extra-version=STRING version string suffix []
215 --build-suffix=SUFFIX library name suffix []
216 --arch=ARCH select architecture [$arch]
217 --cpu=CPU select the minimum required CPU (affects
218 instruction selection, may crash on older CPUs)
219 --enable-powerpc-perf enable performance report on PPC
220 (requires enabling PMC)
c8a4ae00 221 --disable-asm disable all assembler optimizations
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222 --disable-altivec disable AltiVec optimizations
223 --disable-amd3dnow disable 3DNow! optimizations
224 --disable-amd3dnowext disable 3DNow! extended optimizations
225 --disable-mmx disable MMX optimizations
226 --disable-mmx2 disable MMX2 optimizations
227 --disable-sse disable SSE optimizations
228 --disable-ssse3 disable SSSE3 optimizations
229 --disable-armv5te disable armv5te optimizations
230 --disable-armv6 disable armv6 optimizations
231 --disable-armv6t2 disable armv6t2 optimizations
232 --disable-armvfp disable ARM VFP optimizations
233 --disable-iwmmxt disable iwmmxt optimizations
234 --disable-mmi disable MMI optimizations
235 --disable-neon disable neon optimizations
236 --disable-vis disable VIS optimizations
237 --disable-yasm disable use of yasm assembler
238 --enable-pic build position-independent code
4ae40685 239 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 240 --enable-sram allow use of on-chip SRAM
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241
242Developer options (useful when working on FFmpeg itself):
243 --disable-debug disable debugging symbols
244 --enable-debug=LEVEL set the debug level [$debuglevel]
245 --enable-gprof enable profiling with gprof [$gprof]
246 --disable-optimizations disable compiler optimizations
247 --enable-extra-warnings enable more compiler warnings
248 --disable-stripping disable stripping of executables and shared libraries
2fad0977 249 --samples=PATH location of test samples for FATE
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250
251NOTE: Object files are built at the place where configure is launched.
252EOF
60e8bc13 253 exit 0
74c53c2d 254}
cf9d24ad 255
57bd82d4 256log(){
2270b4b2 257 echo "$@" >> $logfile
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258}
259
720c69da 260log_file(){
c8e9f801 261 log BEGIN $1
2270b4b2 262 pr -n -t $1 >> $logfile
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263 log END $1
264}
265
2ba042a7 266echolog(){
c8e9f801 267 log "$@"
57bd82d4 268 echo "$@"
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269}
270
271die(){
272 echolog "$@"
273 cat <<EOF
d326cf7f 274
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275If you think configure made a mistake, make sure you are using the latest
276version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 277ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 278EOF
e155a21a 279 if disabled logging; then
2ba042a7 280 cat <<EOF
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281Rerun configure with logging enabled (do not use --disable-logging), and
282include the log this produces with your report.
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283EOF
284 else
285cat <<EOF
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286Include the log file "$logfile" produced by configure as this will help
287solving the problem.
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288EOF
289 fi
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290 exit 1
291}
292
6c6007d6 293# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 294toupper(){
6c6007d6 295 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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296}
297
4a5444db 298tolower(){
6c6007d6 299 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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300}
301
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302c_escape(){
303 echo "$*" | sed 's/["\\]/\\\0/g'
304}
305
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306sh_quote(){
307 v=$(echo "$1" | sed "s/'/'\\\\''/g")
308 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
309 echo "$v"
310}
311
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312filter(){
313 pat=$1
314 shift
315 for v; do
98ef6079 316 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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317 done
318}
319
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320map(){
321 m=$1
322 shift
e0e335a0 323 for v; do eval $m; done
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324}
325
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326set_all(){
327 value=$1
328 shift
329 for var in $*; do
330 eval $var=$value
331 done
332}
333
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334set_weak(){
335 value=$1
336 shift
337 for var; do
338 eval : \${$var:=$value}
339 done
340}
341
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342pushvar(){
343 for var in $*; do
344 eval level=\${${var}_level:=0}
345 eval ${var}_${level}="\$$var"
346 eval ${var}_level=$(($level+1))
347 done
348}
349
350popvar(){
351 for var in $*; do
352 eval level=\${${var}_level:-0}
353 test $level = 0 && continue
354 eval level=$(($level-1))
355 eval $var="\${${var}_${level}}"
356 eval ${var}_level=$level
357 eval unset ${var}_${level}
358 done
359}
360
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361enable(){
362 set_all yes $*
363}
364
365disable(){
366 set_all no $*
367}
368
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369enable_weak(){
370 set_weak yes $*
371}
372
373disable_weak(){
374 set_weak no $*
375}
376
72702705 377enable_safe(){
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378 for var; do
379 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
380 done
72702705
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381}
382
383disable_safe(){
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384 for var; do
385 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
386 done
72702705
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387}
388
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389do_enable_deep(){
390 for var; do
391 enabled $var && continue
392 eval sel="\$${var}_select"
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393 eval sgs="\$${var}_suggest"
394 pushvar var sgs
f9d328da 395 enable_deep $sel
c510c7b5
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396 popvar sgs
397 enable_deep_weak $sgs
f9d328da
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398 popvar var
399 done
400}
401
402enable_deep(){
403 do_enable_deep $*
404 enable $*
405}
406
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407enable_deep_weak(){
408 do_enable_deep $*
409 enable_weak $*
410}
411
57bd82d4 412enabled(){
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413 test "${1#!}" = "$1" && op== || op=!=
414 eval test "x\$${1#!}" $op "xyes"
44161118
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415}
416
37970ebf 417disabled(){
3250003c
MR
418 test "${1#!}" = "$1" && op== || op=!=
419 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
420}
421
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422enabled_all(){
423 for opt; do
424 enabled $opt || return 1
425 done
426}
427
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428disabled_all(){
429 for opt; do
430 disabled $opt || return 1
431 done
432}
433
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434enabled_any(){
435 for opt; do
436 enabled $opt && return 0
437 done
438}
439
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440disabled_any(){
441 for opt; do
442 disabled $opt && return 0
443 done
f7b230a7 444 return 1
85bca2c5
DB
445}
446
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447set_default(){
448 for opt; do
88268e94 449 eval : \${$opt:=\$${opt}_default}
c9d19248
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450 done
451}
452
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453is_in(){
454 value=$1
455 shift
456 for var in $*; do
457 [ $var = $value ] && return 0
458 done
459 return 1
460}
461
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462check_deps(){
463 for cfg; do
3250003c 464 cfg="${cfg#!}"
799c9e9b
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465 enabled ${cfg}_checking && die "Circular dependency for $cfg."
466 disabled ${cfg}_checking && continue
467 enable ${cfg}_checking
468
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469 eval dep_all="\$${cfg}_deps"
470 eval dep_any="\$${cfg}_deps_any"
7ef3425f 471 eval dep_sel="\$${cfg}_select"
c510c7b5 472 eval dep_sgs="\$${cfg}_suggest"
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473 eval dep_ifa="\$${cfg}_if"
474 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 475
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476 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
477 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
478 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 479
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480 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
481 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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482 enabled_all $dep_all || disable $cfg
483 enabled_any $dep_any || disable $cfg
7ef3425f 484 disabled_any $dep_sel && disable $cfg
799c9e9b 485
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RP
486 if enabled $cfg; then
487 eval dep_extralibs="\$${cfg}_extralibs"
488 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 489 enable_deep $dep_sel
c510c7b5 490 enable_deep_weak $dep_sgs
4ec45764
RP
491 fi
492
799c9e9b 493 disable ${cfg}_checking
30fd06be
MR
494 done
495}
496
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497print_config(){
498 pfx=$1
499 header=$2
500 makefile=$3
501 shift 3
502 for cfg; do
5e622c40 503 ucname="$(toupper $cfg)"
44161118 504 if enabled $cfg; then
3d907e22 505 echo "#define ${pfx}${ucname} 1" >> $header
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MR
506 echo "${pfx}${ucname}=yes" >> $makefile
507 else
b250f9c6 508 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 509 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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510 fi
511 done
57bd82d4
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512}
513
514flags_saved(){
2270b4b2 515 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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516}
517
dcd479c0 518save_flags(){
57bd82d4 519 flags_saved && return
dcd479c0
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520 SAVE_CFLAGS="$CFLAGS"
521 SAVE_LDFLAGS="$LDFLAGS"
522 SAVE_extralibs="$extralibs"
523}
524
525restore_flags(){
f5d28d10 526 flags_saved || return
dcd479c0
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527 CFLAGS="$SAVE_CFLAGS"
528 LDFLAGS="$SAVE_LDFLAGS"
529 extralibs="$SAVE_extralibs"
530 unset SAVE_CFLAGS
531 unset SAVE_LDFLAGS
532 unset SAVE_extralibs
533}
534
535temp_cflags(){
536 save_flags
537 CFLAGS="$CFLAGS $*"
538}
539
540temp_ldflags(){
541 save_flags
542 LDFLAGS="$LDFLAGS $*"
543}
544
545temp_extralibs(){
546 save_flags
547 extralibs="$extralibs $*"
548}
549
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550append(){
551 var=$1
552 shift
553 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
554 eval "$var=\"\$$var $*\""
555}
556
50a334e4 557add_cppflags(){
caf458dd 558 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
559}
560
57bd82d4 561add_cflags(){
caf458dd 562 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
563}
564
2f2e6c7c 565add_asflags(){
caf458dd 566 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
567}
568
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569add_ldflags(){
570 append LDFLAGS "$@"
571}
572
573add_extralibs(){
574 append extralibs "$@"
575}
576
b0cfb663 577check_cmd(){
b3cb5d51 578 log "$@"
2270b4b2 579 "$@" >> $logfile 2>&1
b0cfb663
MR
580}
581
dcd479c0 582check_cc(){
57bd82d4 583 log check_cc "$@"
2270b4b2 584 cat > $TMPC
720c69da 585 log_file $TMPC
50a334e4 586 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
587}
588
589check_cpp(){
590 log check_cpp "$@"
2270b4b2 591 cat > $TMPC
720c69da 592 log_file $TMPC
9e7f3277 593 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
594}
595
f65883c8
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596check_as(){
597 log check_as "$@"
598 cat > $TMPC
599 log_file $TMPC
2f2e6c7c 600 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
601}
602
940f335a
MR
603check_asm(){
604 log check_asm "$@"
605 name="$1"
3784e82e 606 code="$2"
940f335a 607 shift 2
49214f61
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608 disable $name
609 check_as "$@" <<EOF && enable $name
3784e82e 610void foo(void){ __asm__ volatile($code); }
940f335a
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611EOF
612}
613
304d586d
LM
614check_yasm(){
615 log check_yasm "$@"
616 echo "$1" > $TMPS
617 log_file $TMPS
618 shift 1
619 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
620}
621
dcd479c0 622check_ld(){
57bd82d4 623 log check_ld "$@"
3155a644
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624 flags=''
625 libs=''
626 for f; do
627 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
628 done
2a194acd 629 check_cc $($filter_cflags $flags) || return
684b28e0 630 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
631}
632
50a334e4
MR
633check_cppflags(){
634 log check_cppflags "$@"
caf458dd
MR
635 set -- $($filter_cppflags "$@")
636 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
637int x;
638EOF
639}
640
dcd479c0 641check_cflags(){
57bd82d4 642 log check_cflags "$@"
caf458dd
MR
643 set -- $($filter_cflags "$@")
644 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
645int x;
646EOF
647}
648
2ed46eea
MR
649test_ldflags(){
650 log test_ldflags "$@"
651 check_ld "$@" <<EOF
c23a0ac8 652int main(void){ return 0; }
dcd479c0
MR
653EOF
654}
655
2ed46eea
MR
656check_ldflags(){
657 log check_ldflags "$@"
658 test_ldflags "$@" && add_ldflags "$@"
659}
660
dcd479c0 661check_header(){
57bd82d4 662 log check_header "$@"
dcd479c0
MR
663 header=$1
664 shift
b77df637
MR
665 disable_safe $header
666 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
667#include <$header>
668int x;
669EOF
670}
671
672check_func(){
57bd82d4 673 log check_func "$@"
dcd479c0
MR
674 func=$1
675 shift
d8bc5f06
MR
676 disable $func
677 check_ld "$@" <<EOF && enable $func
dcd479c0 678extern int $func();
c23a0ac8 679int main(void){ $func(); }
dcd479c0
MR
680EOF
681}
682
645d2652 683check_mathfunc(){
6b73c0ae 684 log check_mathfunc "$@"
645d2652
MR
685 func=$1
686 shift
687 disable $func
688 check_ld "$@" <<EOF && enable $func
689#include <math.h>
33bd38db
MR
690float foo(float f) { return $func(f); }
691int main(void){ return 0; }
645d2652
MR
692EOF
693}
694
2446d3d6
DB
695check_func_headers(){
696 log check_func_headers "$@"
f8d7b072
MR
697 headers=$1
698 func=$2
699 shift 2
700 disable $func
701 incs=""
702 for hdr in $headers; do
703 incs="$incs
704#include <$hdr>"
705 done
cd0d9a9d 706 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 707$incs
d6773f56 708int main(int argc, char **argv){
2b2c2a81 709 return (long) $func;
f8d7b072
MR
710}
711EOF
712}
713
a5344cf7
SS
714check_cpp_condition(){
715 log check_cpp_condition "$@"
716 header=$1
717 condition=$2
f855b7b9
MR
718 shift 2
719 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
720#include <$header>
721#if !($condition)
722#error "unsatisfied condition: $condition"
723#endif
724EOF
725}
726
57bd82d4
MR
727check_lib(){
728 log check_lib "$@"
729 header="$1"
730 func="$2"
731 shift 2
fcfcde17
MR
732 temp_extralibs "$@"
733 check_header $header && check_func $func && add_extralibs "$@"
734 err=$?
735 restore_flags
736 return $err
57bd82d4
MR
737}
738
f8d7b072
MR
739check_lib2(){
740 log check_lib2 "$@"
741 headers="$1"
742 func="$2"
743 shift 2
300cde27 744 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
745}
746
dcd479c0 747check_exec(){
2270b4b2 748 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
749}
750
7dfef245 751check_exec_crash(){
5e622c40 752 code=$(cat)
7dfef245
MR
753
754 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
755 # are safe but may not be available everywhere. Thus we use
756 # raise(SIGTERM) instead. The check is run in a subshell so we
757 # can redirect the "Terminated" message from the shell. SIGBUS
758 # is not defined by standard C so it is used conditionally.
759
2270b4b2 760 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
761#include <signal.h>
762static void sighandler(int sig){
763 raise(SIGTERM);
764}
e5af4a11 765int main(void){
7dfef245
MR
766 signal(SIGILL, sighandler);
767 signal(SIGFPE, sighandler);
768 signal(SIGSEGV, sighandler);
769#ifdef SIGBUS
770 signal(SIGBUS, sighandler);
771#endif
772 { $code }
773}
774EOF
775}
776
72be9e73
DY
777check_type(){
778 log check_type "$@"
779 headers=$1
780 type=$2
781 shift 2
ae550ce9 782 disable_safe "$type"
72be9e73
DY
783 incs=""
784 for hdr in $headers; do
785 incs="$incs
786#include <$hdr>"
787 done
ae550ce9 788 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
789$incs
790$type v;
791EOF
792}
793
14d36751
MR
794check_struct(){
795 log check_type "$@"
796 headers=$1
797 struct=$2
798 member=$3
799 shift 3
800 disable_safe "${struct}_${member}"
801 incs=""
802 for hdr in $headers; do
803 incs="$incs
804#include <$hdr>"
805 done
806 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
807$incs
808const void *p = &(($struct *)0)->$member;
809EOF
810}
811
57bd82d4
MR
812require(){
813 name="$1"
814 header="$2"
815 func="$3"
816 shift 3
817 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
818}
819
f8d7b072
MR
820require2(){
821 name="$1"
822 headers="$2"
823 func="$3"
824 shift 3
825 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
826}
827
eea50282
MR
828check_foo_config(){
829 cfg=$1
830 pkg=$2
831 header=$3
832 func=$4
833 shift 4
834 disable $cfg
835 check_cmd ${pkg}-config --version
836 err=$?
837 if test "$err" = 0; then
5e622c40
DB
838 temp_cflags $(${pkg}-config --cflags)
839 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
840 check_lib "$@" $header $func && enable $cfg
841 fi
842 return $err
843}
844
f0125de9
MR
845check_host_cc(){
846 log check_host_cc "$@"
847 cat > $TMPC
848 log_file $TMPC
849 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
850}
851
852check_host_cflags(){
853 log check_host_cflags "$@"
854 check_host_cc "$@" <<EOF && append host_cflags "$@"
855int x;
856EOF
857}
858
c505dd31
MR
859apply(){
860 file=$1
861 shift
862 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
863}
864
c34681df
MR
865cp_if_changed(){
866 cmp -s "$1" "$2" &&
867 echo "$2 is unchanged" ||
868 cp -f "$1" "$2"
869}
870
dcd61286
DB
871# CONFIG_LIST contains configurable options, while HAVE_LIST is for
872# system-dependent things.
873
4a0d6686
AJ
874COMPONENT_LIST="
875 bsfs
876 decoders
877 demuxers
878 encoders
3cde40aa 879 filters
5666fd73 880 hwaccels
c552605c 881 indevs
4a0d6686 882 muxers
c552605c 883 outdevs
4a0d6686
AJ
884 parsers
885 protocols
886"
887
888CONFIG_LIST="
889 $COMPONENT_LIST
e8ed9b7a 890 aandct
5a0f7131
MR
891 avcodec
892 avdevice
f7679c54
VS
893 avfilter
894 avfilter_lavf
5a0f7131 895 avformat
c88f5d72
MR
896 avisynth
897 beos_netserver
f402916e 898 bzlib
7f3f5f46 899 dct
c73f65d9 900 doc
05aec7bb 901 dwt
92c6a099 902 dxva2
27a9466b 903 fastdiv
c88f5d72
MR
904 ffmpeg
905 ffplay
336ce917 906 ffprobe
c88f5d72 907 ffserver
1848f7d9 908 fft
4f034993 909 golomb
c88f5d72 910 gpl
ecfc4f44 911 gprof
d8d0d0b2 912 gray
4693b031 913 h264dsp
3abe5fbd 914 hardcoded_tables
f7b8bffe 915 libdc1394
690bfceb 916 libdirac
2eed5a46
DB
917 libfaac
918 libfaad
919 libfaadbin
c88f5d72 920 libgsm
6ebe07fb 921 libmp3lame
c88f5d72 922 libnut
0b175caa
DB
923 libopencore_amrnb
924 libopencore_amrwb
9a77d59a 925 libopenjpeg
0f943ce6 926 librtmp
f7cd9eed 927 libschroedinger
ae14f311 928 libspeex
150d2772 929 libtheora
c88f5d72 930 libvorbis
8299a7f8 931 libvpx
1cc60c47
DB
932 libx264
933 libxvid
f4d608e3 934 lpc
b781cc12 935 lsp
47a158cb 936 mdct
c88f5d72 937 memalign_hack
a8150374 938 mlib
c88f5d72
MR
939 mpegaudio_hp
940 network
3fe142e2 941 nonfree
8a3c8627 942 pic
4a24ab64 943 postproc
2b4c3615 944 powerpc_perf
68602540 945 rdft
e90f5b5a 946 runtime_cpudetect
2e35e684 947 shared
bd2216e4 948 small
6b35d421 949 sram
2e35e684 950 static
5a0f7131 951 swscale
a9ddb5b1 952 swscale_alpha
17492d5e
DB
953 vaapi
954 vdpau
9cad0e4e 955 version3
56a059ac 956 x11grab
c88f5d72 957 zlib
4a0d6686 958"
c88f5d72 959
8eee7025
DB
960THREADS_LIST='
961 beosthreads
d22e8442 962 os2threads
8eee7025
DB
963 pthreads
964 w32threads
965'
966
3f5b56e5
MR
967ARCH_LIST='
968 alpha
a2fc0f6a 969 arm
fdcd782d
MR
970 avr32
971 avr32_ap
972 avr32_uc
3f5b56e5
MR
973 bfin
974 ia64
975 m68k
976 mips
bae3abb0 977 mips64
3f5b56e5 978 parisc
79cb09b2 979 ppc
34d11b87 980 ppc64
3f5b56e5
MR
981 s390
982 sh4
983 sparc
984 sparc64
0844bae1 985 tomi
3f5b56e5
MR
986 x86
987 x86_32
988 x86_64
989'
990
991ARCH_EXT_LIST='
1ac9331a 992 altivec
3bf96eec 993 amd3dnow
a1ef9f08 994 amd3dnowext
1ac9331a 995 armv5te
edab3048 996 armv6
ab5cb084 997 armv6t2
f55b299a 998 armvfp
3f5b56e5
MR
999 iwmmxt
1000 mmi
1001 mmx
d7f0920b 1002 mmx2
6b18d278 1003 neon
799fde37 1004 ppc4xx
1bb04d5a 1005 sse
9eeed841 1006 ssse3
bd9d34a0 1007 vis
3f5b56e5
MR
1008'
1009
a3e02a8c
MR
1010HAVE_LIST_PUB='
1011 bigendian
1012'
1013
3f5b56e5
MR
1014HAVE_LIST="
1015 $ARCH_EXT_LIST
a3e02a8c 1016 $HAVE_LIST_PUB
3f5b56e5 1017 $THREADS_LIST
35fd8122 1018 alsa_asoundlib_h
3f5b56e5 1019 altivec_h
c9fdab0d 1020 arpa_inet_h
dffb41b9 1021 attribute_may_alias
e7ea5e3d 1022 attribute_packed
6bd859d6 1023 bswap
ecf97f22 1024 closesocket
1ac9331a 1025 cmov
e16e49ac 1026 conio_h
c88f5d72 1027 dcbzl
f8aa696f
DB
1028 dev_bktr_ioctl_bt848_h
1029 dev_bktr_ioctl_meteor_h
1030 dev_ic_bt8xx_h
1031 dev_video_meteor_ioctl_meteor_h
1032 dev_video_bktr_ioctl_bt848_h
18b67ae5 1033 dlfcn_h
c88f5d72 1034 dlopen
bc574408 1035 dos_paths
245626d0
DB
1036 ebp_available
1037 ebx_available
6b7c7703
VS
1038 exp2
1039 exp2f
c2a29455 1040 fast_64bit
669b5583 1041 fast_clz
7073e9fc 1042 fast_cmov
7b829d2a 1043 fast_unaligned
9d99cc5a 1044 fork
84882df6 1045 getaddrinfo
da9e86f8 1046 gethrtime
fc5607f8 1047 GetProcessMemoryInfo
4e68cb8a 1048 GetProcessTimes
66be5b45 1049 getrusage
fc5607f8 1050 struct_rusage_ru_maxrss
2e1913b1 1051 inet_aton
61d251db 1052 inline_asm
abfc8d05 1053 isatty
9f5ff83f 1054 ldbrx
0b4a1821
AS
1055 libdc1394_1
1056 libdc1394_2
a33cab3a 1057 llrint
07876e25 1058 llrintf
d96cd429
MR
1059 local_aligned_16
1060 local_aligned_8
291fd18a 1061 log2
6b7c7703 1062 log2f
85dd97ad 1063 loongson
a33cab3a 1064 lrint
c88f5d72 1065 lrintf
e4673692 1066 lzo1x_999_compress
f8aa696f
DB
1067 machine_ioctl_bt848_h
1068 machine_ioctl_meteor_h
c88f5d72
MR
1069 malloc_h
1070 memalign
6ffa87d3 1071 mkstemp
b4e806b2 1072 pld
1f91cdce 1073 posix_memalign
a33cab3a
MK
1074 round
1075 roundf
c88f5d72
MR
1076 sdl
1077 sdl_video_size
b507ebd1 1078 setmode
72be9e73 1079 socklen_t
deb29777 1080 soundcard_h
f8cda19e 1081 poll_h
0104b608 1082 setrlimit
87958234 1083 strerror_r
c0018613 1084 struct_addrinfo
b4d68544
MS
1085 struct_ipv6_mreq
1086 struct_sockaddr_in6
3b2372bf 1087 struct_sockaddr_sa_len
33a4dbdd 1088 struct_sockaddr_storage
b58412f1 1089 sys_mman_h
b091aa44 1090 sys_resource_h
81644c2e 1091 sys_select_h
deb29777 1092 sys_soundcard_h
1b6e8b73 1093 sys_videoio_h
d3a4b4e0 1094 ten_operands
e16e49ac 1095 termios_h
b265431e 1096 threads
7b04b8a0 1097 truncf
ce742de2 1098 vfp_args
7c5bfe7a 1099 VirtualAlloc
6ff3f3e7 1100 winsock2_h
cc078b5d 1101 xform_asm
304d586d 1102 yasm
0cb78cef 1103"
44161118 1104
b6bb00b0
MR
1105# options emitted with CONFIG_ prefix but not available on command line
1106CONFIG_EXTRA="
dc4f5a1c 1107 avutil
9cad0e4e
DB
1108 gplv3
1109 lgplv3
b6bb00b0
MR
1110"
1111
520cc7f1 1112CMDLINE_SELECT="
3f5b56e5 1113 $ARCH_EXT_LIST
520cc7f1 1114 $CONFIG_LIST
8eee7025 1115 $THREADS_LIST
c8a4ae00 1116 asm
db6107b6 1117 cross_compile
520cc7f1
MR
1118 debug
1119 extra_warnings
8c6afa4d 1120 logging
d2bbb2f7 1121 optimizations
87a0fb62 1122 stripping
7595a5e4 1123 yasm
520cc7f1 1124"
426be5dc
DB
1125
1126PATHS_LIST='
d156bede 1127 bindir
14a8acf1 1128 datadir
26759c44
MR
1129 incdir
1130 libdir
26759c44
MR
1131 mandir
1132 prefix
1133 shlibdir
426be5dc
DB
1134'
1135
1136CMDLINE_SET="
1137 $PATHS_LIST
121d78d0 1138 ar
426be5dc 1139 arch
313c46a6 1140 as
426be5dc
DB
1141 build_suffix
1142 cc
1143 cpu
1144 cross_prefix
50567afa 1145 dep_cc
ac63af34 1146 extra_version
9da6609f
MR
1147 host_cc
1148 host_cflags
1149 host_ldflags
1150 host_libs
82bb3329 1151 host_os
684b28e0 1152 ld
426be5dc 1153 logfile
4ae40685 1154 malloc_prefix
89641463 1155 nm
2fad0977 1156 samples
26759c44 1157 source_path
4f837398 1158 strip
c5200f17
MR
1159 sysinclude
1160 sysroot
a7ada2ba 1161 target_exec
26759c44 1162 target_os
a7ada2ba 1163 target_path
426be5dc 1164"
520cc7f1 1165
89f2932b
MR
1166CMDLINE_APPEND="
1167 extra_cflags
1168"
1169
912f3148
DB
1170# code dependency declarations
1171
9eeed841 1172# architecture extensions
808fa33c 1173
a2fc0f6a
MR
1174armv5te_deps="arm"
1175armv6_deps="arm"
ab5cb084 1176armv6t2_deps="arm"
a2fc0f6a
MR
1177armvfp_deps="arm"
1178iwmmxt_deps="arm"
808fa33c
MR
1179neon_deps="arm"
1180
e241ba14 1181mmi_deps="mips"
808fa33c
MR
1182
1183altivec_deps="ppc"
1184ppc4xx_deps="ppc"
1185
1186vis_deps="sparc"
1187
7f8c3d1f 1188x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1189amd3dnow_deps="mmx"
1190amd3dnowext_deps="amd3dnow"
9eeed841 1191mmx_deps="x86"
75aa95a6 1192mmx2_deps="mmx"
75aa95a6
DB
1193sse_deps="mmx"
1194ssse3_deps="sse"
9eeed841 1195
e939cedd 1196fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1197fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1198fast_unaligned_if_any="armv6 ppc x86"
669b5583 1199
89e053f8 1200need_memalign="altivec neon sse"
6fec122a 1201inline_asm_deps="!tms470"
89e053f8 1202
26fbcc85
MR
1203# subsystems
1204mdct_select="fft"
1205rdft_select="fft"
1206
5666fd73 1207# decoders / encoders / hardware accelerators
49351479 1208aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1209aac_encoder_select="mdct"
1210ac3_decoder_select="mdct ac3_parser"
f4d608e3 1211alac_encoder_select="lpc"
b781cc12 1212amrnb_decoder_select="lsp"
084cbbaa 1213atrac1_decoder_select="mdct"
26fbcc85
MR
1214atrac3_decoder_select="mdct"
1215binkaudio_dct_decoder_select="mdct rdft dct"
1216binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1217cavs_decoder_select="golomb"
26fbcc85 1218cook_decoder_select="mdct"
2eef7c62 1219cscd_decoder_suggest="zlib"
26fbcc85 1220dca_decoder_select="mdct"
e8ed9b7a 1221dnxhd_encoder_select="aandct"
2eef7c62 1222dxa_decoder_select="zlib"
baf91bb9 1223eac3_decoder_select="ac3_decoder"
84c04e25 1224eamad_decoder_select="aandct"
e8ed9b7a 1225eatgq_decoder_select="aandct"
d52b39c7 1226eatqi_decoder_select="aandct"
4f034993
MR
1227ffv1_decoder_select="golomb"
1228flac_decoder_select="golomb"
f4d608e3 1229flac_encoder_select="golomb lpc"
2eef7c62
AJ
1230flashsv_decoder_select="zlib"
1231flashsv_encoder_select="zlib"
4414137e 1232flv_decoder_select="h263_decoder"
4d4b4bd1 1233flv_encoder_select="h263_encoder"
e8ed9b7a 1234h261_encoder_select="aandct"
7f647ae0 1235h263_decoder_select="h263_parser"
e8ed9b7a 1236h263_encoder_select="aandct"
95a61cfc 1237h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1238h263i_decoder_select="h263_decoder"
fe629c2d 1239h263p_encoder_select="h263_encoder"
4693b031 1240h264_decoder_select="golomb h264dsp"
92c6a099
LA
1241h264_dxva2_hwaccel_deps="dxva2api_h"
1242h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1243h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1244h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1245imc_decoder_select="fft mdct"
4f034993
MR
1246jpegls_decoder_select="golomb"
1247jpegls_encoder_select="golomb"
e8ed9b7a 1248ljpeg_encoder_select="aandct"
4f034993 1249loco_decoder_select="golomb"
e8ed9b7a 1250mjpeg_encoder_select="aandct"
2cca233b 1251mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1252mpeg1video_encoder_select="aandct"
1253mpeg2video_encoder_select="aandct"
4414137e 1254mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1255mpeg4_encoder_select="h263_encoder"
95a61cfc 1256mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1257mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
95a61cfc 1258mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1259mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1260mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1261mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1262mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1263msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1264msmpeg4v1_encoder_select="h263_encoder"
4414137e 1265msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1266msmpeg4v2_encoder_select="h263_encoder"
4414137e 1267msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1268msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1269nellymoser_decoder_select="mdct"
1270nellymoser_encoder_select="mdct"
2eef7c62
AJ
1271png_decoder_select="zlib"
1272png_encoder_select="zlib"
b781cc12 1273qcelp_decoder_select="lsp"
26fbcc85 1274qdm2_decoder_select="mdct rdft"
a8beb22f 1275rv10_decoder_select="h263_decoder"
b2bf38b4 1276rv10_encoder_select="h263_encoder"
a8beb22f 1277rv20_decoder_select="h263_decoder"
b2bf38b4 1278rv20_encoder_select="h263_encoder"
4693b031
MR
1279rv30_decoder_select="golomb h264dsp"
1280rv40_decoder_select="golomb h264dsp"
4f034993 1281shorten_decoder_select="golomb"
b781cc12 1282sipr_decoder_select="lsp"
05aec7bb
MR
1283snow_decoder_select="dwt"
1284snow_encoder_select="aandct dwt"
4f034993
MR
1285sonic_decoder_select="golomb"
1286sonic_encoder_select="golomb"
1287sonic_ls_encoder_select="golomb"
19ecfb8a 1288svq1_encoder_select="aandct"
4693b031 1289svq3_decoder_select="golomb h264dsp"
bee2eac5 1290svq3_decoder_suggest="zlib"
4eef77c1 1291theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1292tiff_decoder_suggest="zlib"
1293tiff_encoder_suggest="zlib"
aec09a00 1294truehd_decoder_select="mlp_decoder"
2eef7c62 1295tscc_decoder_select="zlib"
b781cc12 1296twinvq_decoder_select="mdct lsp"
f95bfab0 1297vc1_decoder_select="h263_decoder"
9104cd51 1298vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1299vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1300vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1301vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1302vorbis_decoder_select="mdct"
1303vorbis_encoder_select="mdct"
e82dc4c9
DB
1304vp6a_decoder_select="vp6_decoder"
1305vp6f_decoder_select="vp6_decoder"
084cbbaa 1306wmapro_decoder_select="mdct"
26fbcc85
MR
1307wmav1_decoder_select="mdct"
1308wmav1_encoder_select="mdct"
1309wmav2_decoder_select="mdct"
1310wmav2_encoder_select="mdct"
005ad8a0 1311wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1312wmv1_decoder_select="h263_decoder"
665507aa 1313wmv1_encoder_select="h263_encoder"
f95bfab0 1314wmv2_decoder_select="h263_decoder"
1746e2a9 1315wmv2_encoder_select="h263_encoder"
015f8ee0 1316wmv3_decoder_select="vc1_decoder"
f0f86627 1317wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1318wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1319wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1320zlib_decoder_select="zlib"
1321zlib_encoder_select="zlib"
1322zmbv_decoder_select="zlib"
1323zmbv_encoder_select="zlib"
30fd06be 1324
0afab17e 1325vaapi_deps="va_va_h"
c89c96e9
MR
1326vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1327
28b80940 1328# parsers
4693b031 1329h264_parser_select="golomb h264dsp"
28b80940 1330
f1e94694
DB
1331# bitstream_filters
1332aac_adtstoasc_bsf_select="aac_parser"
1333
912f3148 1334# external libraries
1b71f045 1335libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1336libdirac_encoder_deps="libdirac"
c9171a83 1337libfaac_encoder_deps="libfaac"
69ddbd1d 1338libfaad_decoder_deps="libfaad"
405213b7 1339libfaadbin_extralibs='$ldl'
299c77d5
MR
1340libgsm_decoder_deps="libgsm"
1341libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1342libgsm_ms_decoder_deps="libgsm"
1343libgsm_ms_encoder_deps="libgsm"
1cc60c47 1344libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1345libopencore_amrnb_decoder_deps="libopencore_amrnb"
1346libopencore_amrnb_encoder_deps="libopencore_amrnb"
1347libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1348libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1349libschroedinger_decoder_deps="libschroedinger"
1350libschroedinger_encoder_deps="libschroedinger"
ae14f311 1351libspeex_decoder_deps="libspeex"
150d2772 1352libtheora_encoder_deps="libtheora"
b0caf888 1353libvorbis_encoder_deps="libvorbis"
8299a7f8 1354libvpx_decoder_deps="libvpx"
1cc60c47
DB
1355libx264_encoder_deps="libx264"
1356libxvid_encoder_deps="libxvid"
30fd06be 1357
912f3148 1358# demuxers / muxers
03a76ba9 1359ac3_demuxer_deps="ac3_parser"
647c2356 1360asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1361avisynth_demuxer_deps="avisynth"
1362dirac_demuxer_deps="dirac_parser"
5b423887 1363eac3_demuxer_select="ac3_parser"
647c2356 1364ipod_muxer_select="mov_muxer"
4e622dea
SS
1365libnut_demuxer_deps="libnut"
1366libnut_muxer_deps="libnut"
647c2356 1367matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1368matroska_demuxer_suggest="zlib bzlib"
1369mov_demuxer_suggest="zlib"
1370mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1371mp4_muxer_select="mov_muxer"
1372mpegtsraw_demuxer_select="mpegts_demuxer"
1373mxf_d10_muxer_select="mxf_muxer"
24ca518b 1374ogg_demuxer_select="golomb"
647c2356 1375psp_muxer_select="mov_muxer"
4e622dea 1376rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1377rtsp_muxer_deps="sdp_demuxer"
1378rtsp_muxer_select="rtp_muxer"
4e622dea 1379sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1380sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1381spdif_muxer_select="aac_parser"
647c2356
DB
1382tg2_muxer_select="mov_muxer"
1383tgp_muxer_select="mov_muxer"
6bdaa5f4 1384w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1385
1386# indevs / outdevs
38e54a75
SS
1387alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1388alsa_indev_extralibs="-lasound"
1389alsa_outdev_deps="alsa_asoundlib_h"
1390alsa_outdev_extralibs="-lasound"
1391audio_beos_indev_deps="audio_beos"
1392audio_beos_indev_extralibs="-lmedia -lbe"
1393audio_beos_outdev_deps="audio_beos"
1394audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1395bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1396dv1394_indev_deps="dv1394 dv_demuxer"
1397jack_indev_deps="jack_jack_h"
1398jack_indev_extralibs="-ljack"
1399libdc1394_indev_deps="libdc1394"
38e54a75
SS
1400oss_indev_deps_any="soundcard_h sys_soundcard_h"
1401oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1402v4l_indev_deps="linux_videodev_h"
1403v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1404vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1405vfwcap_indev_extralibs="-lavicap32"
38e54a75 1406x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1407x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1408
912f3148 1409# protocols
3fff6382 1410gopher_protocol_deps="network"
c08fb000 1411http_protocol_deps="network"
279a0c97 1412http_protocol_select="tcp_protocol"
deeb7012
MS
1413rtmp_protocol_select="tcp_protocol"
1414rtp_protocol_select="udp_protocol"
c08fb000
AB
1415tcp_protocol_deps="network"
1416udp_protocol_deps="network"
1417
f7679c54 1418# filters
81124ba0 1419movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1420avfilter_lavf_deps="avformat"
1421
1422# libraries
1423avdevice_deps="avcodec avformat"
1424avformat_deps="avcodec"
f7679c54 1425
912f3148 1426# programs
5a0f7131
MR
1427ffmpeg_deps="avcodec avformat swscale"
1428ffplay_deps="avcodec avformat swscale sdl"
43689902 1429ffplay_select="rdft"
336ce917 1430ffprobe_deps="avcodec avformat"
5a0f7131 1431ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1432ffserver_extralibs='$ldl'
a2830dca 1433
c73f65d9 1434doc_deps="texi2html"
912f3148 1435
de6d9b64 1436# default parameters
8a608357 1437
2ba042a7 1438logfile="config.err"
8a608357
MR
1439
1440# installation paths
c9d19248
MR
1441prefix_default="/usr/local"
1442bindir_default='${prefix}/bin'
14a8acf1 1443datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1444incdir_default='${prefix}/include'
1445libdir_default='${prefix}/lib'
1446mandir_default='${prefix}/share/man'
1447shlibdir_default="$libdir_default"
8a608357
MR
1448
1449# toolchain
121d78d0 1450ar_default="ar"
13c7df3d 1451cc_default="gcc"
a3d7c197 1452cc_version=\"unknown\"
9da6609f 1453host_cc_default="gcc"
11e6d03a 1454ln_s="ln -sf"
89641463 1455nm_default="nm"
11e6d03a 1456objformat="elf"
be7109c1 1457ranlib="ranlib"
4f837398 1458strip_default="strip"
11e6d03a 1459yasmexe="yasm"
8a608357 1460
8182dc34
MR
1461nm_opts='-g'
1462
8a608357 1463# machine
8d4c00ed 1464arch_default=$(uname -m)
38d0a8aa 1465cpu="generic"
8a608357 1466
8a608357 1467# OS
8d4c00ed
MR
1468target_os_default=$(tolower $(uname -s))
1469host_os=$target_os_default
8a608357 1470
8a608357 1471# configurable options
5a0f7131
MR
1472enable avcodec
1473enable avdevice
cccc039f 1474enable avfilter
5a0f7131 1475enable avformat
dc4f5a1c 1476enable avutil
c8a4ae00 1477enable asm
497237c7 1478enable debug
c73f65d9 1479enable doc
aa033b1e 1480enable fastdiv
497237c7
RP
1481enable ffmpeg
1482enable ffplay
336ce917 1483enable ffprobe
497237c7 1484enable ffserver
497237c7
RP
1485enable mpegaudio_hp
1486enable network
8400d6b8 1487enable optimizations
497237c7 1488enable protocols
530dc538 1489enable static
87a0fb62 1490enable stripping
5a0f7131 1491enable swscale
a9ddb5b1 1492enable swscale_alpha
8a608357 1493
8a608357 1494# build settings
9987769a 1495SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1496FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1497LIBPREF="lib"
1498LIBSUF=".a"
c5f14466
RP
1499FULLNAME='$(NAME)$(BUILDSUF)'
1500LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1501SLIBPREF="lib"
1502SLIBSUF=".so"
c5f14466 1503SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1504SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1505SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1506LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1507
7e6c86e6
MR
1508CC_O='-o $@'
1509
f0125de9 1510host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1511host_libs='-lm'
1512
9b861379 1513target_path='$(CURDIR)'
a7ada2ba 1514
0d7dca36
DB
1515# gcc stupidly only outputs the basename of targets with -MM, but we need the
1516# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1517DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1518DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1519
c597172e 1520# find source path
5e622c40 1521source_path="$(dirname "$0")"
497237c7 1522enable source_path_used
24524f36 1523if test -f configure; then
5e622c40 1524 source_path="$(pwd)"
497237c7 1525 disable source_path_used
c597172e 1526else
5e622c40 1527 source_path="$(cd "$source_path"; pwd)"
c597172e 1528 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1529 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1530 test -e "$source_path/config.h" &&
1531 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1532fi
1533
13cbe2c0 1534for v in "$@"; do
b04251c5
MR
1535 r=${v#*=}
1536 l=${v%"$r"}
1537 r=$(sh_quote "$r")
13cbe2c0
MR
1538 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1539done
c597172e 1540
73ef8980
MR
1541find_things(){
1542 thing=$1
1543 pattern=$2
1544 file=$source_path/$3
932ccf39 1545 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1546}
1547
1548ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1549DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1550HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1551PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1552BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1553MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1554DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1555OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1556INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1557PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1558FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1559
8469ae22
MR
1560for n in $COMPONENT_LIST; do
1561 v=$(toupper ${n%s})_LIST
1562 eval enable \$$v
1563 eval ${n}_if_any="\$$v"
1564done
1565
1566enable $ARCH_EXT_LIST
c597172e
MR
1567
1568die_unknown(){
1569 echo "Unknown option \"$1\"."
1570 echo "See $0 --help for available options."
1571 exit 1
1572}
1573
794f8e97 1574show_list() {
bf0c4afa
RP
1575 suffix=_$1
1576 shift
2b444ea7 1577 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1578 exit 0
1579}
1580
c597172e 1581for opt do
7483e694
DB
1582 optval="${opt#*=}"
1583 case "$opt" in
0f010b2f 1584 --extra-ldflags=*) add_ldflags $optval
7483e694 1585 ;;
0f010b2f 1586 --extra-libs=*) add_extralibs $optval
7483e694 1587 ;;
8fb1cb58 1588 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1589 ;;
40bcf4c7
BL
1590 --enable-debug=*) debuglevel="$optval"
1591 ;;
36e2dea0 1592 --disable-everything)
e0e335a0 1593 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1594 ;;
7483e694 1595 --enable-*=*|--disable-*=*)
8b93ddc3 1596 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1597 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1598 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1599 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1600 $action $(filter "$name" $list)
7483e694
DB
1601 ;;
1602 --enable-?*|--disable-?*)
5e622c40 1603 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1604 if is_in $option $COMPONENT_LIST; then
fed5d54b 1605 test $action = disable && action=unset
e3773a55
MR
1606 eval $action \$$(toupper ${option%s})_LIST
1607 elif is_in $option $CMDLINE_SELECT; then
1608 $action $option
1609 else
1610 die_unknown $opt
1611 fi
7483e694
DB
1612 ;;
1613 --list-*)
1614 NAME="${opt#--list-}"
1615 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1616 NAME=${NAME%s}
1617 eval show_list $NAME \$$(toupper $NAME)_LIST
1618 ;;
1619 --help|-h) show_help
1620 ;;
1621 *)
884a36a7 1622 optname="${opt%%=*}"
26759c44
MR
1623 optname="${optname#--}"
1624 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1625 if is_in $optname $CMDLINE_SET; then
1626 eval $optname='$optval'
1627 elif is_in $optname $CMDLINE_APPEND; then
1628 append $optname "$optval"
1629 else
1630 die_unknown $opt
1631 fi
7483e694
DB
1632 ;;
1633 esac
c597172e
MR
1634done
1635
bcea99bb
MR
1636disabled logging && logfile=/dev/null
1637
13cbe2c0 1638echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1639set >> $logfile
1640
9da6609f
MR
1641test -n "$cross_prefix" && enable cross_compile
1642
8d4c00ed
MR
1643if enabled cross_compile; then
1644 test -n "$arch" && test -n "$target_os" ||
1645 die "Must specify target arch and OS when cross-compiling"
1646fi
1647
1648set_default arch target_os
1649
121d78d0 1650ar_default="${cross_prefix}${ar_default}"
11e6d03a 1651cc_default="${cross_prefix}${cc_default}"
20e0ed95 1652nm_default="${cross_prefix}${nm_default}"
adb2b908 1653ranlib="${cross_prefix}${ranlib}"
4f837398 1654strip_default="${cross_prefix}${strip_default}"
adb2b908 1655
c5200f17
MR
1656sysinclude_default="${sysroot}/usr/include"
1657
4f837398 1658set_default cc nm strip sysinclude
9da6609f
MR
1659enabled cross_compile || host_cc_default=$cc
1660set_default host_cc
13c7df3d 1661
82bb3329
MR
1662exesuf() {
1663 case $1 in
1664 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1665 esac
1666}
1667
1668EXESUF=$(exesuf $target_os)
1669HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1670
e4e69e0b 1671# set temporary file name
a49d42c2 1672: ${TMPDIR:=$TEMPDIR}
c51fafa1 1673: ${TMPDIR:=$TMP}
a49d42c2 1674: ${TMPDIR:=/tmp}
e4e69e0b 1675
54460a83
MR
1676if ! check_cmd type mktemp; then
1677 # simple replacement for missing mktemp
1678 # NOT SAFE FOR GENERAL USE
1679 mktemp(){
1680 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1681 }
1682fi
1683
1684tmpfile(){
1685 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1686 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1687 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1688 append TMPFILES $tmp
1689 eval $1=$tmp
1690}
1691
1692trap 'rm -f -- $TMPFILES' EXIT
1693trap exit HUP INT TERM
1694
1695tmpfile TMPC .c
1696tmpfile TMPE $EXESUF
1697tmpfile TMPH .h
1698tmpfile TMPO .o
1699tmpfile TMPS .S
a482e61b 1700tmpfile TMPV .ver
54460a83
MR
1701tmpfile TMPSH .sh
1702
1703unset -f mktemp
e4e69e0b 1704
993f2d0f
MR
1705# make sure we can execute files in $TMPDIR
1706cat > $TMPSH 2>> $logfile <<EOF
1707#! /bin/sh
1708EOF
1709chmod +x $TMPSH >> $logfile 2>&1
1710if ! $TMPSH >> $logfile 2>&1; then
1711 cat <<EOF
1712Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1713variable to another directory and make sure that it is not mounted noexec.
1714EOF
1715 die "Sanity test failed."
1716fi
993f2d0f 1717
19b4c628
MR
1718filter_cflags=echo
1719filter_cppflags=echo
1720filter_asflags=echo
1721
8f0c157a 1722if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1723 cc_type=gcc
a3d7c197 1724 cc_version=__VERSION__
aef6bd1b
MR
1725 if ! $cc -dumpversion | grep -q '^2\.'; then
1726 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1727 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1728 fi
14ca9cd0
MR
1729 speed_cflags='-O3'
1730 size_cflags='-Os'
629687f6
MR
1731elif $cc --version 2>/dev/null | grep -q Intel; then
1732 cc_type=icc
6e3fa35d 1733 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1734 CC_DEPFLAGS='-MMD'
1735 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1736 speed_cflags='-O3'
1737 size_cflags='-Os'
b05394a0 1738 noopt_cflags='-O1'
629687f6
MR
1739elif $cc -v 2>&1 | grep -q xlc; then
1740 cc_type=xlc
6e3fa35d 1741 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1742 speed_cflags='-O5'
1743 size_cflags='-O5 -qcompact'
df442a8d
MR
1744elif $cc -V 2>/dev/null | grep -q Compaq; then
1745 cc_type=ccc
6e3fa35d 1746 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1747 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1748 debuglevel=3
df442a8d 1749 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1750 speed_cflags='-fast'
1751 size_cflags='-O1'
6a0d5493 1752elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1753 test -d "$sysroot" || die "No valid sysroot specified."
1754 cc_type=armcc
6e3fa35d 1755 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1756 armcc_conf="$PWD/armcc.conf"
1757 $cc --arm_linux_configure \
1758 --arm_linux_config_file="$armcc_conf" \
1759 --configure_sysroot="$sysroot" \
1760 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1761 die "Error creating armcc configuration file."
1762 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1763 as_default="${cross_prefix}gcc"
07dec06e
MR
1764 CC_DEPFLAGS='-MMD'
1765 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1766 speed_cflags='-O3'
1767 size_cflags='-Os'
6fec122a
MR
1768elif $cc -version 2>/dev/null | grep -q TMS470; then
1769 cc_type=tms470
6e3fa35d 1770 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1771 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1772 CC_O='-fr=$(@D)'
1773 as_default="${cross_prefix}gcc"
1774 ld_default="${cross_prefix}gcc"
6fec122a
MR
1775 TMPO=$(basename $TMPC .c).o
1776 append TMPFILES $TMPO
1777 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1778 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1779 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1780 speed_cflags='-O3 -mf=5'
1781 size_cflags='-O3 -mf=2'
6fec122a
MR
1782 filter_cflags=tms470_flags
1783 tms470_flags(){
1784 for flag; do
1785 case $flag in
1786 -march=*|-mcpu=*)
1787 case "${flag#*=}" in
1788 armv7-a|cortex-a*) echo -mv=7a8 ;;
1789 armv7-r|cortex-r*) echo -mv=7r4 ;;
1790 armv7-m|cortex-m*) echo -mv=7m3 ;;
1791 armv6*|arm11*) echo -mv=6 ;;
1792 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1793 echo -mv=5e ;;
1794 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1795 esac
1796 ;;
1797 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1798 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1799 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1800 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1801 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1802 -g) echo -g -mn ;;
587d24ff 1803 -pds=*) echo $flag ;;
6fec122a
MR
1804 esac
1805 done
1806 }
06da6943
DC
1807elif $cc -v 2>&1 | grep -q clang; then
1808 cc_type=clang
1809 cc_version=__VERSION__
1810 CC_DEPFLAGS='-MMD'
1811 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1812 speed_cflags='-O3'
1813 size_cflags='-Os'
2a472e9c
MK
1814elif $cc -V 2>&1 | grep -q Sun; then
1815 cc_type=suncc
1816 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1817 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1818 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1819 speed_cflags='-O5'
1820 size_cflags='-O5 -xspace'
03279bbe
MK
1821 filter_cflags=suncc_flags
1822 suncc_flags(){
1823 for flag; do
1824 case $flag in
1825 -march=*|-mcpu=*)
1826 case "${flag#*=}" in
1827 native) echo -xtarget=native ;;
87ddc38b 1828 v9|niagara) echo -xarch=sparc ;;
03279bbe 1829 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1830 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1831 i586|pentium) echo -xchip=pentium ;;
1832 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1833 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1834 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1835 pentium4*) echo -xtarget=pentium4 ;;
1836 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1837 *-sse3) echo -xarch=sse3 ;;
1838 core2) echo -xarch=ssse3 -xchip=core2 ;;
1839 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1840 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1841 k8|opteron|athlon64|athlon-fx)
1842 echo -xarch=sse2a ;;
1843 athlon*) echo -xarch=pentium_proa ;;
1844 esac
1845 ;;
1846 -std=c99) echo -xc99 ;;
1847 -fomit-frame-pointer) echo -xregs=frameptr ;;
1848 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1849 -W*,*) echo $flag ;;
1850 -f*-*|-W*) ;;
1851 *) echo $flag ;;
1852 esac
1853 done
1854 }
629687f6
MR
1855fi
1856
1857test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1858
75bafbac 1859: ${as_default:=$cc}
50567afa 1860: ${dep_cc_default:=$cc}
684b28e0 1861: ${ld_default:=$cc}
121d78d0 1862set_default ar as dep_cc ld
75800dce 1863
07dec06e
MR
1864test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1865test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1866
7f32f40c 1867add_cflags $extra_cflags
2f2e6c7c 1868add_asflags $extra_cflags
7f32f40c 1869
154d432c
MR
1870if test -n "$sysroot"; then
1871 case "$cc_type" in
1872 gcc)
467256f2 1873 add_cppflags --sysroot="$sysroot"
154d432c
MR
1874 add_ldflags --sysroot="$sysroot"
1875 ;;
6fec122a
MR
1876 tms470)
1877 add_cppflags -I"$sysinclude"
1878 add_ldflags --sysroot="$sysroot"
1879 ;;
06da6943 1880 clang)
4def700e
DC
1881 add_cppflags -isysroot "$sysroot"
1882 add_ldflags -isysroot "$sysroot"
06da6943 1883 ;;
154d432c
MR
1884 esac
1885fi
1886
d22c13a8
MR
1887if test "$cpu" = host; then
1888 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1889
1890 case "$cc_type" in
1891 gcc)
1892 check_native(){
1893 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1894 sed -n "/$1=/{
1895 s/.*$1=\\([^ ]*\\).*/\\1/
1896 p
1897 q
1898 }" $TMPE
d22c13a8
MR
1899 }
1900 cpu=$(check_native -march || check_native -mcpu)
1901 ;;
1902 esac
1903
1904 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1905fi
1906
e939cedd
MR
1907# Deal with common $arch aliases
1908case "$arch" in
1909 arm*)
1910 arch="arm"
1911 ;;
1912 mips|mipsel|IP*)
1913 arch="mips"
1914 ;;
47b1860e 1915 mips64*)
e939cedd
MR
1916 arch="mips"
1917 subarch="mips64"
1918 ;;
1919 parisc|hppa)
1920 arch="parisc"
1921 ;;
1922 parisc64|hppa64)
1923 arch="parisc"
1924 subarch="parisc64"
1925 ;;
1926 "Power Macintosh"|ppc|powerpc)
1927 arch="ppc"
1928 ;;
47b1860e 1929 ppc64|powerpc64)
e939cedd
MR
1930 arch="ppc"
1931 subarch="ppc64"
1932 ;;
1933 s390|s390x)
1934 arch="s390"
1935 ;;
1936 sh4|sh)
1937 arch="sh4"
1938 ;;
1939 sun4u|sparc64)
1940 arch="sparc"
1941 subarch="sparc64"
1942 ;;
1943 i[3-6]86|i86pc|BePC|x86_64|amd64)
1944 arch="x86"
1945 ;;
1946esac
1947
1948is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1949enable $arch
e939cedd 1950
df5cdc24 1951# Add processor-specific flags
5d54c126
MR
1952if test "$cpu" = generic; then
1953 : do nothing
1954elif enabled ppc; then
343aef9b 1955
56348891
MR
1956 case $(tolower $cpu) in
1957 601|ppc601|powerpc601)
9dbd5c3d 1958 cpuflags="-mcpu=601"
64ad53ff 1959 disable altivec
9dbd5c3d 1960 ;;
56348891 1961 603*|ppc603*|powerpc603*)
9dbd5c3d 1962 cpuflags="-mcpu=603"
64ad53ff 1963 disable altivec
9dbd5c3d 1964 ;;
56348891 1965 604*|ppc604*|powerpc604*)
9dbd5c3d 1966 cpuflags="-mcpu=604"
64ad53ff 1967 disable altivec
9dbd5c3d 1968 ;;
56348891 1969 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1970 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1971 disable altivec
9dbd5c3d 1972 ;;
56348891 1973 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1974 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1975 ;;
56348891 1976 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1977 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1978 ;;
56348891 1979 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1980 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1981 ;;
56348891 1982 cell)
9dbd5c3d
MR
1983 cpuflags="-mcpu=cell"
1984 enable ldbrx
1985 ;;
7b0b81a1
AL
1986 e500v2)
1987 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1988 disable altivec
1989 ;;
1990 e500)
1991 cpuflags="-mcpu=8540 -mhard-float"
1992 disable altivec
1993 ;;
9dbd5c3d 1994 esac
343aef9b
MR
1995
1996elif enabled x86; then
1997
9dbd5c3d
MR
1998 case $cpu in
1999 i[345]86|pentium)
2000 cpuflags="-march=$cpu"
2001 disable mmx
2002 ;;
2003 # targets that do NOT support conditional mov (cmov)
2004 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2005 cpuflags="-march=$cpu"
2006 disable cmov
2007 ;;
2008 # targets that do support conditional mov (cmov)
2009 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2010 cpuflags="-march=$cpu"
2011 enable cmov
2012 enable fast_cmov
2013 ;;
2014 # targets that do support conditional mov but on which it's slow
2015 pentium4|pentium4m|prescott|nocona)
2016 cpuflags="-march=$cpu"
2017 enable cmov
2018 disable fast_cmov
2019 ;;
2020 esac
343aef9b
MR
2021
2022elif enabled sparc; then
2023
9dbd5c3d 2024 case $cpu in
26b7199e
MK
2025 niagara)
2026 cpuflags="-mcpu=$cpu"
2027 disable vis
2028 ;;
9dbd5c3d
MR
2029 sparc64)
2030 cpuflags="-mcpu=v9"
2031 ;;
2032 esac
343aef9b
MR
2033
2034elif enabled arm; then
2035
34ba23c9
MR
2036 case $cpu in
2037 armv*)
2038 cpuflags="-march=$cpu"
2039 ;;
2040 *)
2041 cpuflags="-mcpu=$cpu"
2042 ;;
2043 esac
343aef9b
MR
2044
2045elif enabled alpha; then
2046
34ba23c9 2047 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2048
2049elif enabled bfin; then
2050
34ba23c9 2051 cpuflags="-mcpu=$cpu"
343aef9b
MR
2052
2053elif enabled mips; then
2054
34ba23c9 2055 cpuflags="-march=$cpu"
343aef9b
MR
2056
2057elif enabled avr32; then
2058
9dbd5c3d
MR
2059 case $cpu in
2060 ap7[02]0[0-2])
2061 subarch="avr32_ap"
2062 cpuflags="-mpart=$cpu"
2063 ;;
2064 ap)
2065 subarch="avr32_ap"
2066 cpuflags="-march=$cpu"
2067 ;;
2068 uc3[ab]*)
2069 subarch="avr32_uc"
2070 cpuflags="-mcpu=$cpu"
2071 ;;
2072 uc)
2073 subarch="avr32_uc"
2074 cpuflags="-march=$cpu"
2075 ;;
2076 esac
df5cdc24 2077
343aef9b
MR
2078fi
2079
df5cdc24
MR
2080add_cflags $cpuflags
2081add_asflags $cpuflags
2082
993f2d0f
MR
2083# compiler sanity check
2084check_exec <<EOF
2085int main(void){ return 0; }
2086EOF
2087if test "$?" != 0; then
2088 echo "$cc is unable to create an executable file."
2089 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2090 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2091 echo "Only do this if you know what cross compiling means."
2092 fi
2093 die "C compiler test failed."
2094fi
2095
38a9c529 2096add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2097check_cflags -std=c99
50a334e4 2098check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2099#include <stdlib.h>
2100EOF
50a334e4 2101check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2102#include <stdlib.h>
2103EOF
e9b9a2f8 2104
f0125de9
MR
2105check_host_cflags -std=c99
2106
b24dbcbd 2107case "$arch" in
e939cedd 2108 alpha|ia64|mips|parisc|sparc)
8a3c8627 2109 spic=$shared
b24dbcbd 2110 ;;
e939cedd 2111 x86)
cfdb6148 2112 subarch="x86_32"
e939cedd 2113 check_cc <<EOF && subarch="x86_64"
58b3536d 2114 int test[(int)sizeof(char*) - 7];
cfdb6148 2115EOF
de27f4d9 2116 if test "$subarch" = "x86_64"; then
e939cedd 2117 spic=$shared
de27f4d9 2118 fi
b24dbcbd 2119 ;;
b24dbcbd
RP
2120esac
2121
343aef9b 2122enable $subarch
8a3c8627 2123enabled spic && enable pic
b24dbcbd 2124
7483e694 2125# OS specific
4f854758 2126case $target_os in
7483e694 2127 beos|haiku|zeta)
c9d19248 2128 prefix_default="$HOME/config"
7483e694 2129 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2130 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2131 case "$gcc_version" in
2132 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2133 disable mmx
2134 ;;
2135 *20010315*) echo "BeBits gcc"
0f010b2f 2136 add_cflags -fno-expensive-optimizations
7483e694
DB
2137 ;;
2138 esac
7483e694
DB
2139 SHFLAGS=-nostart
2140 # enable BeOS things
2141 enable audio_beos
2142 # no need for libm, but the inet stuff
2143 # Check for BONE
2144 # XXX: actually should check for NOT net_server
78fe7631 2145 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2146 network_extralibs="-lbind -lsocket"
2147 else
2148 enable beos_netserver
2149 network_extralibs="-lnet"
2150 fi ;;
2151 sunos)
2152 FFSERVERLDFLAGS=""
9987769a 2153 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2154 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2155 network_extralibs="-lsocket -lnsl"
50a334e4 2156 add_cppflags -D__EXTENSIONS__
8182dc34 2157 nm_opts='-P -g'
7483e694
DB
2158 ;;
2159 netbsd)
07a8eef6
MR
2160 oss_indev_extralibs="-lossaudio"
2161 oss_outdev_extralibs="-lossaudio"
2138dc99 2162 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2163 ;;
2164 openbsd)
89e053f8 2165 enable malloc_aligned
7c4a001a
MR
2166 # On OpenBSD 4.5. the compiler does not use PIC unless
2167 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2168 # however the generated executable will not do anything
2169 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2170 # Thus explicitly enable PIC here.
cd78208b 2171 enable pic
7483e694 2172 SHFLAGS='-shared'
07a8eef6
MR
2173 oss_indev_extralibs="-lossaudio"
2174 oss_outdev_extralibs="-lossaudio"
7483e694 2175 ;;
90b4f091 2176 freebsd|dragonfly)
89e053f8 2177 enable malloc_aligned
7483e694
DB
2178 ;;
2179 bsd/os)
2180 osextralibs="-lpoll -lgnugetopt"
2181 strip="strip -d"
2182 ;;
2183 darwin)
89e053f8 2184 enable malloc_aligned
0138c54e 2185 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2186 strip="strip -x"
2187 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2188 SLIBSUF=".dylib"
2189 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2190 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2191 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2192 objformat="macho"
1b0f6fb8 2193 enabled x86_64 && objformat="macho64"
8dfa86f7 2194 enabled_any pic shared ||
2704bd1a 2195 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2196 ;;
2197 mingw32*)
9d3f4f50 2198 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2199 disable network
2200 else
2201 target_os=mingw32
2202 fi
dcc01c06 2203 LIBTARGET=i386
1fc9fb8a 2204 if enabled x86_64; then
89e053f8 2205 enable malloc_aligned
dcc01c06 2206 LIBTARGET=x64
336cc1b0
MS
2207 elif enabled arm; then
2208 LIBTARGET=arm
dcc01c06 2209 fi
fbd971a4 2210 shlibdir_default="$bindir_default"
7483e694
DB
2211 disable ffserver
2212 SLIBPREF=""
2213 SLIBSUF=".dll"
7483e694
DB
2214 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2215 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2216 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2217 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2218 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2219 install -d "$(LIBDIR)"; \
2220 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2221 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2222 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2223 objformat="win32"
bc574408 2224 enable dos_paths
1894e741 2225 check_cflags -fno-common
b1549d61 2226 if ! enabled x86_64; then
f7ad5aa2
RP
2227 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2228 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2229 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2230 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2231 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2232 fi
7483e694
DB
2233 ;;
2234 cygwin*)
4f854758 2235 target_os=cygwin
fbd971a4 2236 shlibdir_default="$bindir_default"
7483e694
DB
2237 SLIBPREF="cyg"
2238 SLIBSUF=".dll"
2239 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2240 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2241 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2242 objformat="win32"
bc574408 2243 enable dos_paths
1894e741 2244 check_cflags -fno-common
7483e694 2245 ;;
4f365f37 2246 *-dos|freedos|opendos)
fdf11906 2247 disable ffplay ffserver
4f365f37
MK
2248 disable $INDEV_LIST $OUTDEV_LIST
2249 network_extralibs="-lsocket"
ff1c015d 2250 objformat="coff"
bc574408 2251 enable dos_paths
4f365f37 2252 ;;
7483e694 2253 linux)
7483e694
DB
2254 enable dv1394
2255 ;;
2256 irix*)
4f854758 2257 target_os=irix
7483e694
DB
2258 ranlib="echo ignoring ranlib"
2259 ;;
d22e8442 2260 os/2*)
d22e8442
DY
2261 strip="lxlite"
2262 ln_s="cp -f"
d22e8442 2263 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2264 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2265 FFSERVERLDFLAGS=""
287d3b13 2266 LIBSUF="_s.a"
d22e8442
DY
2267 SLIBPREF=""
2268 SLIBSUF=".dll"
2269 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2270 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2271 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2272 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2273 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2274 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2275 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2276 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2277 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2278 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2279 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2280 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2281 enable dos_paths
d22e8442 2282 ;;
83993c1c
AM
2283 gnu/kfreebsd)
2284 ;;
34e82167 2285 gnu)
34e82167 2286 ;;
614d8911
MR
2287 none)
2288 ;;
7483e694 2289 *)
4f924f9a 2290 die "Unknown OS '$target_os'."
7483e694
DB
2291 ;;
2292esac
2293
13cb2187
AS
2294check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2295
c9d19248
MR
2296set_default $PATHS_LIST
2297
c597172e 2298add_extralibs $osextralibs
de6d9b64 2299
28d8e661
DB
2300# Combine FFLDFLAGS and the LDFLAGS environment variable.
2301LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2302
320d060a 2303# we need to build at least one lib type
93b3c083 2304if ! enabled_any static shared; then
320d060a
DB
2305 cat <<EOF
2306At least one library type must be built.
2307Specify --enable-static to build the static libraries or --enable-shared to
2308build the shared libraries as well. To only build the shared libraries specify
2309--disable-static in addition to --enable-shared.
2310EOF
2311 exit 1;
2312fi
2313
abc4e572 2314disabled static && LIBNAME=""
2a320695 2315
a2234ceb
RP
2316if enabled_any libfaad libfaadbin ; then
2317 if check_header faad.h; then
295b8c70 2318 check_cc <<EOF
a2234ceb
RP
2319#include <faad.h>
2320#ifndef FAAD2_VERSION
2321ok faad1
2322#endif
db817cf3 2323int main(void) { return 0; }
a2234ceb
RP
2324EOF
2325 test $? = 0 && enable libfaad2
2326 else
ff3dac65 2327 die "FAAD test failed."
a2234ceb
RP
2328 fi
2329fi
2330
2331
2184c6f7 2332die_license_disabled() {
4c27207c 2333 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2334}
2335
2336die_license_disabled gpl libfaad2
2337die_license_disabled gpl libx264
2338die_license_disabled gpl libxvid
2339die_license_disabled gpl postproc
2340die_license_disabled gpl x11grab
2341
2f7ae63b 2342die_license_disabled nonfree libfaac
b2e3c528 2343
0b175caa
DB
2344die_license_disabled version3 libopencore_amrnb
2345die_license_disabled version3 libopencore_amrwb
2346
9cad0e4e 2347enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2348
9eeed841 2349check_deps $ARCH_EXT_LIST
0f3cb305 2350
40617a6d 2351disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2352
e276d9e8
MR
2353enable_pic() {
2354 enable pic
bce7b696
MR
2355 add_cppflags -DPIC
2356 add_cflags -fPIC
2357 add_asflags -fPIC
e276d9e8
MR
2358}
2359
2360enabled pic && enable_pic
bce7b696 2361
b4d96ba2
MR
2362check_cc <<EOF || die "Symbol mangling check failed."
2363int ff_extern;
2364EOF
8182dc34 2365sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2366extern_prefix=${sym%%ff_extern*}
2367
f65883c8
MR
2368check_cc <<EOF && enable inline_asm
2369void foo(void) { __asm__ volatile ("" ::); }
2370EOF
61d251db 2371
df5e3978
MR
2372_restrict=
2373for restrict_keyword in restrict __restrict__ __restrict; do
2374 check_cc <<EOF && _restrict=$restrict_keyword && break
2375void foo(char * $restrict_keyword p);
2376EOF
2377done
2378
2379check_cc <<EOF && enable attribute_packed
2380struct { int x; } __attribute__((packed)) x;
2381EOF
2382
dffb41b9
MR
2383check_cc <<EOF && enable attribute_may_alias
2384union { int x; } __attribute__((may_alias)) x;
2385EOF
2386
df5e3978
MR
2387check_cc <<EOF || die "endian test failed"
2388unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2389EOF
48fc536a 2390od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2391
e939cedd
MR
2392if enabled alpha; then
2393
2394 check_cflags -mieee
2395
2396elif enabled arm; then
e45391bb 2397
50fa82e6
MR
2398 check_cflags -marm
2399
fa0912fe
MR
2400 check_ld <<EOF && enable vfp_args
2401__asm__ (".eabi_attribute 28, 1");
2402int main(void) { return 0; }
2403EOF
2404
2405 # We have to check if pld is a nop and disable it.
2406 check_asm pld '"pld [r0]"'
2407
2408 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2409 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2410 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2411 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2412 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2413 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2414
e276d9e8
MR
2415 enabled_all armv6t2 shared !pic && enable_pic
2416
fa0912fe 2417elif enabled mips; then
e45391bb 2418
fa0912fe
MR
2419 check_asm loongson '"dmult.g $1, $2, $3"'
2420 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2421
fa0912fe 2422elif enabled ppc; then
e45391bb 2423
e6a0c354
MR
2424 enable local_aligned_8 local_aligned_16
2425
fa0912fe
MR
2426 check_asm dcbzl '"dcbzl 0, 1"'
2427 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2428 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2429
2430 # AltiVec flags: The FSF version of GCC differs from the Apple version
2431 if enabled altivec; then
2432 check_cflags -maltivec -mabi=altivec &&
2433 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2434 check_cflags -faltivec
2435
2436 # check if our compiler supports Motorola AltiVec C API
2437 check_cc <<EOF || disable altivec
2438$inc_altivec_h
2439int main(void) {
2440 vector signed int v1, v2, v3;
2441 v1 = vec_add(v2,v3);
2442 return 0;
2443}
2444EOF
2445
2446 # check if our compiler supports braces for vector declarations
2447 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2448$inc_altivec_h
2449int main (void) { (vector int) {1}; return 0; }
2450EOF
2451 fi
e45391bb 2452
fa0912fe 2453elif enabled sparc; then
e45391bb 2454
fa0912fe
MR
2455 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2456 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2457
fa0912fe 2458elif enabled x86; then
e45391bb 2459
e6a0c354
MR
2460 enable local_aligned_8 local_aligned_16
2461
44965991
PI
2462 # check whether EBP is available on x86
2463 # As 'i' is stored on the stack, this program will crash
2464 # if the base pointer is used to access it because the
2465 # base pointer is cleared in the inline assembly code.
7dfef245 2466 check_exec_crash <<EOF && enable ebp_available
44965991 2467 volatile int i=0;
be449fca 2468 __asm__ volatile (
44965991
PI
2469 "xorl %%ebp, %%ebp"
2470 ::: "%ebp");
2471 return i;
44965991
PI
2472EOF
2473
f494213c 2474 # check whether EBX is available on x86
7cee5421
MR
2475 check_asm ebx_available '""::"b"(0)' &&
2476 check_asm ebx_available '"":::"%ebx"'
8e380710 2477
d3a4b4e0
DB
2478 # check whether more than 10 operands are supported
2479 check_cc <<EOF && enable ten_operands
2480int main(void) {
2481 int x=0;
2482 __asm__ volatile(
2483 ""
2484 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2485 );
2486 return 0;
2487}
2488EOF
2489
d7f0920b 2490 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2491 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2492 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2493
2494 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2495
d52481b9 2496 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2497 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2498 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2499 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2500 case "$objformat" in
2501 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2502 esac
7595a5e4 2503 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2504
669b5583
MR
2505 case "$cpu" in
2506 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2507 disable fast_clz
2508 ;;
2509 esac
2510
44965991
PI
2511fi
2512
a98bb16d
RP
2513if check_func dlopen; then
2514 ldl=
2515elif check_func dlopen -ldl; then
2516 ldl=-ldl
8bf5d58f
MN
2517fi
2518
75ecf149
DB
2519# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2520check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2521
7483e694 2522check_func fork
84882df6 2523check_func getaddrinfo $network_extralibs
7483e694
DB
2524check_func gethrtime
2525check_func getrusage
fc5607f8 2526check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2527check_func inet_aton $network_extralibs
abfc8d05 2528check_func isatty
4ae40685 2529check_func ${malloc_prefix}memalign && enable memalign
7483e694 2530check_func mkstemp
4ae40685 2531check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2532check_func setrlimit
87958234 2533check_func strerror_r
b507ebd1 2534check_func_headers io.h setmode
e4673692 2535check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2536check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2537check_func_headers windows.h GetProcessTimes
7c5bfe7a 2538check_func_headers windows.h VirtualAlloc
6ffa87d3 2539
e16e49ac 2540check_header conio.h
a98bb16d 2541check_header dlfcn.h
92c6a099 2542check_header dxva2api.h
a98bb16d 2543check_header malloc.h
bf6ce82d 2544check_header poll.h
b58412f1 2545check_header sys/mman.h
b091aa44 2546check_header sys/resource.h
bf6ce82d 2547check_header sys/select.h
a98bb16d 2548check_header termios.h
272081b0
CEH
2549check_header vdpau/vdpau.h
2550check_header vdpau/vdpau_x11.h
68178ca9 2551check_header X11/extensions/XvMClib.h
a98bb16d 2552
9104cd51
RP
2553check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2554
89e053f8
MR
2555if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2556 enabled_any $need_memalign ; then
1f91cdce 2557 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2558fi
e16e49ac 2559
a4fa192c 2560disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2561disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2562
2563# check for some common methods of building with pthread support
2564# do this before the optional library checks as some of them require pthreads
2565if enabled pthreads; then
9e7fd101
MR
2566 if check_func pthread_create; then
2567 :
2568 elif check_func pthread_create -pthread; then
2569 add_cflags -pthread
afc9aee2 2570 add_extralibs -pthread
9e7fd101
MR
2571 elif check_func pthread_create -pthreads; then
2572 add_cflags -pthreads
afc9aee2 2573 add_extralibs -pthreads
8d94f606
GT
2574 elif check_func pthread_create -lpthreadGC2; then
2575 add_extralibs -lpthreadGC2
9e7fd101
MR
2576 elif ! check_lib pthread.h pthread_create -lpthread; then
2577 die "ERROR: can't find pthreads library"
2578 fi
57bd82d4
MR
2579fi
2580
8eee7025 2581for thread in $THREADS_LIST; do
e5f94c2b 2582 if enabled $thread; then
3ae3b721
RP
2583 test -n "$thread_type" &&
2584 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2585 thread_type="$thread"
e5f94c2b
RP
2586 fi
2587done
2588
fdf88598 2589check_lib math.h sin -lm
ff418735 2590check_lib va/va.h vaInitialize -lva
fdf88598 2591
645d2652
MR
2592check_mathfunc exp2
2593check_mathfunc exp2f
2594check_mathfunc llrint
07876e25 2595check_mathfunc llrintf
645d2652
MR
2596check_mathfunc log2
2597check_mathfunc log2f
2598check_mathfunc lrint
2599check_mathfunc lrintf
2600check_mathfunc round
2601check_mathfunc roundf
2602check_mathfunc truncf
f32adb22 2603
57bd82d4 2604# these are off by default, so fail if requested and not available
a1b3c5a3 2605enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2606enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2607 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2608 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2609enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2610enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2611enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2612enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2613enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2614enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2615enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2616enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0f943ce6 2617enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
36718e51
DB
2618enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2619 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2620enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2621enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2622enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
c4c302f1 2623enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx
60877ad9 2624enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
e8c7fca9
JGG
2625 { check_cpp_condition x264.h "X264_BUILD >= 90" ||
2626 die "ERROR: libx264 version must be >= 0.90."; }
2bfecf73 2627enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2628enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2629
0b4a1821
AS
2630# libdc1394 check
2631if enabled libdc1394; then
2632 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2633 enable libdc1394_2; } ||
2634 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2635 enable libdc1394_1; } ||
2636 die "ERROR: No version of libdc1394 found "
2637fi
2638
6a1a892f 2639SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2640if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2641 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2642 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2643 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2644 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2645 enable sdl &&
2646 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2647fi
57bd82d4 2648
2270b4b2 2649texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2650
73b46a95 2651if enabled network; then
96000432 2652 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2653 check_type netdb.h "struct addrinfo"
b4d68544
MS
2654 check_type netinet/in.h "struct ipv6_mreq"
2655 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2656 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2657 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2658 # Prefer arpa/inet.h over winsock2
2659 if check_header arpa/inet.h ; then
2660 check_func closesocket
2661 elif check_header winsock2.h ; then
f4c13872
MS
2662 check_func_headers winsock2.h closesocket -lws2 && \
2663 network_extralibs="-lws2" || \
2664 { check_func_headers winsock2.h closesocket -lws2_32 && \
2665 network_extralibs="-lws2_32"; }
72be9e73 2666 check_type ws2tcpip.h socklen_t
c0018613 2667 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2668 check_type ws2tcpip.h "struct ipv6_mreq"
2669 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2670 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2671 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2672 else
2673 disable network
73b46a95
RP
2674 fi
2675fi
2676
06e31011
RP
2677check_header linux/videodev.h
2678check_header linux/videodev2.h
1b6e8b73 2679check_header sys/videoio.h
47f38850 2680
27796dc3 2681check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2682
f8aa696f 2683# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2684{ check_header dev/bktr/ioctl_meteor.h &&
2685 check_header dev/bktr/ioctl_bt848.h; } ||
2686{ check_header machine/ioctl_meteor.h &&
2687 check_header machine/ioctl_bt848.h; } ||
2688{ check_header dev/video/meteor/ioctl_meteor.h &&
2689 check_header dev/video/bktr/ioctl_bt848.h; } ||
2690check_header dev/ic/bt8xx.h
f8aa696f 2691
c7682de0
RP
2692check_header sys/soundcard.h
2693check_header soundcard.h
deb29777 2694
b6f3d925 2695enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2696
0e57fe17 2697enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2698
56a059ac 2699enabled x11grab &&
f58f4ce1
GP
2700check_header X11/Xlib.h &&
2701check_header X11/extensions/XShm.h &&
0a045661 2702check_header X11/extensions/Xfixes.h &&
f58f4ce1 2703check_func XOpenDisplay -lX11 &&
781c1aa6
R
2704check_func XShmCreateImage -lX11 -lXext &&
2705check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2706
598ef02b 2707if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2708check_cpp_condition \
2709 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2710 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2711 disable vdpau; }
abf649c7 2712fi
deda2a4a 2713
95e561ec 2714enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2715
2716# add some useful compiler flags if supported
2717check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2718check_cflags -Wall
2719check_cflags -Wno-switch
c07bd6a9
MN
2720check_cflags -Wdisabled-optimization
2721check_cflags -Wpointer-arith
2722check_cflags -Wredundant-decls
cc1fb623 2723check_cflags -Wno-pointer-sign
f4929996 2724check_cflags -Wcast-qual
9aceb3cf 2725check_cflags -Wwrite-strings
652a5bf6 2726check_cflags -Wtype-limits
764551c6 2727check_cflags -Wundef
fc298fd9 2728check_cflags -Wmissing-prototypes
5af4e0cc 2729enabled extra_warnings && check_cflags -Winline
cf9d24ad 2730
57bd82d4 2731# add some linker flags
5c0e9479 2732check_ldflags -Wl,--warn-common
8351d2ba
DB
2733check_ldflags -Wl,--as-needed
2734check_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 2735check_ldflags -Wl,-Bsymbolic
94a3401e 2736
a482e61b
MR
2737echo "X{};" > $TMPV
2738test_ldflags -Wl,--version-script,$TMPV &&
2739 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2740
bd2216e4 2741if enabled small; then
14ca9cd0 2742 add_cflags $size_cflags
8400d6b8
DB
2743 optimizations="small"
2744elif enabled optimizations; then
14ca9cd0 2745 add_cflags $speed_cflags
b05394a0
MR
2746else
2747 add_cflags $noopt_cflags
cddf3f45 2748fi
11fdbc44 2749check_cflags -fno-math-errno
b2eb2ff0 2750check_cflags -fno-signed-zeros
cddf3f45 2751
629687f6 2752if enabled icc; then
b1598b58
MR
2753 # Just warnings, no remarks
2754 check_cflags -w1
2755 # -wd: Disable following warnings
2756 # 144, 167, 556: -Wno-pointer-sign
2757 # 10006: ignoring unknown option -fno-signed-zeros
2758 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2759 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2760 # 11030: Warning unknown option --as-needed
2761 # 10156: ignoring option '-export'; no argument required
2762 check_ldflags -wd10156,11030
2763 # Allow to compile with optimizations
2764 check_ldflags -march=$cpu
be2cf98a
CEH
2765 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2766 enable ebp_available
df442a8d
MR
2767elif enabled ccc; then
2768 # disable some annoying warnings
2769 add_cflags -msg_disable cvtu32to64
2770 add_cflags -msg_disable embedcomment
2771 add_cflags -msg_disable needconstext
2772 add_cflags -msg_disable nomainieee
2773 add_cflags -msg_disable ptrmismatch1
2774 add_cflags -msg_disable unreachcode
973859f5
MR
2775elif enabled gcc; then
2776 check_cflags -fno-tree-vectorize
62df111c 2777 check_cflags -Werror=implicit
de63bfec 2778 check_cflags -Werror=missing-prototypes
06da6943
DC
2779elif enabled clang; then
2780 check_cflags -Qunused-arguments
138132be
MR
2781elif enabled armcc; then
2782 # 2523: use of inline assembler is deprecated
2783 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2784 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2785elif enabled tms470; then
2786 add_cflags -pds=824 -pds=837
504a64b9
CEH
2787fi
2788
90be59ef 2789if enabled gprof; then
0f010b2f
DB
2790 add_cflags -p
2791 add_ldflags -p
1db54e20
DB
2792fi
2793
7f3c02fc 2794# Find out if the .align argument is a power of two or not.
9377b6ce 2795check_asm asmalign_pot '".align 3"'
4454dc1b 2796
7483e694
DB
2797enabled_any $THREADS_LIST && enable threads
2798
2799check_deps $CONFIG_LIST \
b6bb00b0 2800 $CONFIG_EXTRA \
7483e694
DB
2801 $HAVE_LIST \
2802 $DECODER_LIST \
2803 $ENCODER_LIST \
5666fd73 2804 $HWACCEL_LIST \
7483e694
DB
2805 $PARSER_LIST \
2806 $BSF_LIST \
2807 $DEMUXER_LIST \
2808 $MUXER_LIST \
f7679c54 2809 $FILTER_LIST \
7483e694
DB
2810 $INDEV_LIST \
2811 $OUTDEV_LIST \
2812 $PROTOCOL_LIST \
f70f03f6 2813
3bfd582c 2814enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2815
3e89171a 2816echo "install prefix $prefix"
f36958f8
DB
2817echo "source path $source_path"
2818echo "C compiler $cc"
bfd5afd8 2819echo ".align is power-of-two $asmalign_pot"
f36958f8 2820echo "ARCH $arch ($cpu)"
ce8871c2
MR
2821if test "$build_suffix" != ""; then
2822 echo "build suffix $build_suffix"
eb94aca9 2823fi
ac63af34
DB
2824if test "$extra_version" != ""; then
2825 echo "version string suffix $extra_version"
2826fi
0db2ce77 2827echo "big-endian ${bigendian-no}"
e90f5b5a 2828echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2829if enabled x86; then
af44e8e4 2830 echo "yasm ${yasm-no}"
0db2ce77 2831 echo "MMX enabled ${mmx-no}"
30e98e62 2832 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2833 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2834 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2835 echo "SSE enabled ${sse-no}"
30e98e62 2836 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2837 echo "CMOV enabled ${cmov-no}"
2838 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2839 echo "EBX available ${ebx_available-no}"
2840 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2841 echo "10 operands supported ${ten_operands-no}"
e41e8342 2842fi
5b6c2cbd 2843if enabled arm; then
0db2ce77
MR
2844 echo "ARMv5TE enabled ${armv5te-no}"
2845 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2846 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2847 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2848 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2849 echo "NEON enabled ${neon-no}"
eba9ae3c 2850fi
5b6c2cbd 2851if enabled mips; then
0db2ce77 2852 echo "MMI enabled ${mmi-no}"
e41e8342 2853fi
5b6c2cbd 2854if enabled ppc; then
0db2ce77 2855 echo "AltiVec enabled ${altivec-no}"
30e98e62 2856 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2857 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2858 echo "performance report ${powerpc_perf-no}"
2859fi
2860if enabled sparc; then
2861 echo "VIS enabled ${vis-no}"
e41e8342 2862fi
0db2ce77
MR
2863echo "gprof enabled ${gprof-no}"
2864echo "debug symbols ${debug-no}"
87a0fb62 2865echo "strip symbols ${stripping-no}"
8400d6b8 2866echo "optimizations ${optimizations-no}"
0db2ce77
MR
2867echo "static ${static-no}"
2868echo "shared ${shared-no}"
4a24ab64 2869echo "postprocessing support ${postproc-no}"
f7679c54 2870echo "new filter support ${avfilter-no}"
81124ba0 2871echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2872echo "network support ${network-no}"
0db2ce77
MR
2873echo "threading support ${thread_type-no}"
2874echo "SDL support ${sdl-no}"
0db2ce77
MR
2875echo "Sun medialib support ${mlib-no}"
2876echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2877echo "libdc1394 support ${libdc1394-no}"
690bfceb 2878echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2879echo "libfaac enabled ${libfaac-no}"
2880echo "libfaad enabled ${libfaad-no}"
7e0871a7 2881echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2882echo "libgsm enabled ${libgsm-no}"
2883echo "libmp3lame enabled ${libmp3lame-no}"
2884echo "libnut enabled ${libnut-no}"
0b175caa
DB
2885echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2886echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2887echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2888echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2889echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2890echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2891echo "libtheora enabled ${libtheora-no}"
2892echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2893echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2894echo "libx264 enabled ${libx264-no}"
2895echo "libxvid enabled ${libxvid-no}"
0db2ce77 2896echo "zlib enabled ${zlib-no}"
f402916e 2897echo "bzlib enabled ${bzlib-no}"
2c62e737 2898echo
de6d9b64 2899
5666fd73 2900for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2901 echo "Enabled ${type}s:"
f65c9da1 2902 eval list=\$$(toupper $type)_LIST
8138b9db 2903 for part in $list; do
f65c9da1
MR
2904 enabled $part && echo ${part%_*}
2905 done | sort | pr -3 -t
2906 echo
8138b9db
RP
2907done
2908
ba7a7039 2909license="LGPL version 2.1 or later"
ba321adb 2910if enabled nonfree; then
ba7a7039 2911 license="nonfree and unredistributable"
9cad0e4e
DB
2912elif enabled gplv3; then
2913 license="GPL version 3 or later"
2914elif enabled lgplv3; then
2915 license="LGPL version 3 or later"
ba321adb 2916elif enabled gpl; then
ba7a7039 2917 license="GPL version 2 or later"
ba321adb
JK
2918fi
2919
2920echo "License: $license"
ca5323af 2921
cf1392e9
DB
2922echo "Creating config.mak and config.h..."
2923
df642790
MR
2924# build tree in object directory if source path is different from current one
2925if enabled source_path_used; then
2926 DIRS="
2927 doc
2928 libavcodec
2929 libavcodec/$arch
2930 libavdevice
2931 libavfilter
2932 libavformat
2933 libavutil
2934 libavutil/$arch
2935 libpostproc
2936 libswscale
2937 libswscale/$arch
2938 tests
2939 tools
2940 "
2941 FILES="
2942 Makefile
2943 common.mak
2944 subdir.mak
2945 doc/texi2pod.pl
2946 libavcodec/Makefile
43f60eba 2947 libavcodec/${arch}/Makefile
df642790
MR
2948 libavdevice/Makefile
2949 libavfilter/Makefile
2950 libavformat/Makefile
2951 libavutil/Makefile
2952 libpostproc/Makefile
2953 libswscale/Makefile
2954 "
e0e335a0 2955 map 'mkdir -p $v' $DIRS;
43f60eba 2956 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2957fi
2958
ad212cc6
MR
2959enabled stripping || strip="echo skipping strip"
2960
173c983b
MR
2961cat > config.mak <<EOF
2962# Automatically generated by configure - do not modify!
2963ifndef FFMPEG_CONFIG_MAK
2964FFMPEG_CONFIG_MAK=1
2965FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2966prefix=$prefix
2967LIBDIR=\$(DESTDIR)$libdir
2968SHLIBDIR=\$(DESTDIR)$shlibdir
2969INCDIR=\$(DESTDIR)$incdir
2970BINDIR=\$(DESTDIR)$bindir
2971DATADIR=\$(DESTDIR)$datadir
2972MANDIR=\$(DESTDIR)$mandir
2973SRC_PATH="$source_path"
2974SRC_PATH_BARE=$source_path
2975BUILD_ROOT="$PWD"
2976ARCH=$arch
2977CC=$cc
2978AS=$as
2979LD=$ld
2980DEPCC=$dep_cc
2981YASM=$yasmexe
a4aea515 2982YASMDEP=$yasmexe
173c983b
MR
2983AR=$ar
2984RANLIB=$ranlib
4335125c 2985CP=cp -p
173c983b
MR
2986LN_S=$ln_s
2987STRIP=$strip
2988CPPFLAGS=$CPPFLAGS
2989CFLAGS=$CFLAGS
2990ASFLAGS=$ASFLAGS
2991CC_O=$CC_O
2992LDFLAGS=$LDFLAGS
2993FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2994SHFLAGS=$SHFLAGS
2995YASMFLAGS=$YASMFLAGS
2996BUILDSUF=$build_suffix
2997FULLNAME=$FULLNAME
2998LIBPREF=$LIBPREF
2999LIBSUF=$LIBSUF
3000LIBNAME=$LIBNAME
3001SLIBPREF=$SLIBPREF
3002SLIBSUF=$SLIBSUF
3003EXESUF=$EXESUF
3004EXTRA_VERSION=$extra_version
3005DEPFLAGS=$DEPFLAGS
3006CCDEP=$CCDEP
3007ASDEP=$ASDEP
3008CC_DEPFLAGS=$CC_DEPFLAGS
3009AS_DEPFLAGS=$AS_DEPFLAGS
3010HOSTCC=$host_cc
3011HOSTCFLAGS=$host_cflags
3012HOSTEXESUF=$HOSTEXESUF
3013HOSTLDFLAGS=$host_ldflags
3014HOSTLIBS=$host_libs
3015TARGET_EXEC=$target_exec
3016TARGET_PATH=$target_path
3017SDL_LIBS=$sdl_libs
3018SDL_CFLAGS=$sdl_cflags
3019LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3020EXTRALIBS=$extralibs
fd676deb 3021INSTALL=install
1afc4750
MR
3022LIBTARGET=${LIBTARGET}
3023SLIBNAME=${SLIBNAME}
3024SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3025SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3026SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3027SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3028SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3029SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3030SAMPLES=$samples
173c983b 3031EOF
5a872801 3032
719c8e00
MR
3033get_version(){
3034 name=$1
3035 file=$source_path/$2
147e7692
MR
3036 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3037 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3038 lcname=$(tolower $name)
3039 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3040 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3041}
3042
147e7692
MR
3043get_version LIBSWSCALE libswscale/swscale.h
3044get_version LIBPOSTPROC libpostproc/postprocess.h
3045get_version LIBAVCODEC libavcodec/avcodec.h
3046get_version LIBAVDEVICE libavdevice/avdevice.h
3047get_version LIBAVFORMAT libavformat/avformat.h
3048get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3049get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3050
173c983b
MR
3051enabled asmalign_pot || align_shift="1 <<"
3052
3053cat > $TMPH <<EOF
3054/* Automatically generated by configure - do not modify! */
3055#ifndef FFMPEG_CONFIG_H
3056#define FFMPEG_CONFIG_H
3057#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3058#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3059#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3060#define CC_TYPE "$cc_type"
3061#define CC_VERSION $cc_version
3062#define restrict $_restrict
3063#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3064#define EXTERN_PREFIX "${extern_prefix}"
3065#define EXTERN_ASM ${extern_prefix}
3066EOF
523ef551 3067
4ae40685
MR
3068test -n "$malloc_prefix" &&
3069 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3070
523ef551 3071if enabled small || disabled optimizations; then
9a894c48 3072 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3073 echo "#define av_always_inline" >> $TMPH
3074fi
3075
3d907e22
MR
3076print_config ARCH_ $TMPH config.mak $ARCH_LIST
3077print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3078print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3079 $CONFIG_EXTRA \
7483e694
DB
3080 $DECODER_LIST \
3081 $ENCODER_LIST \
5666fd73 3082 $HWACCEL_LIST \
7483e694
DB
3083 $PARSER_LIST \
3084 $BSF_LIST \
3085 $DEMUXER_LIST \
3086 $MUXER_LIST \
f7679c54 3087 $FILTER_LIST \
7483e694
DB
3088 $PROTOCOL_LIST \
3089 $INDEV_LIST \
3090 $OUTDEV_LIST \
8ac17293 3091
9c05103f 3092echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3093echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3094
b7860763 3095# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3096cp_if_changed $TMPH config.h
3d204385 3097
a3e02a8c
MR
3098cat > $TMPH <<EOF
3099/* Generated by ffconf */
3100#ifndef AVUTIL_AVCONFIG_H
3101#define AVUTIL_AVCONFIG_H
3102EOF
3103
3104print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3105
3106echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3107
3108cp_if_changed $TMPH libavutil/avconfig.h
3109
d0674868 3110# build pkg-config files
def4272a 3111
d0674868
DB
3112pkgconfig_generate(){
3113name=$1
b0dfd108 3114shortname=${name#lib}${build_suffix}
d0674868
DB
3115comment=$2
3116version=$3
3117libs=$4
3118requires=$5
25cd5cb3 3119cat <<EOF > $name/$name.pc
3e89171a 3120prefix=$prefix
a94e666c 3121exec_prefix=\${prefix}
f2b7382c 3122libdir=$libdir
7622778e 3123includedir=$incdir
def4272a 3124
d0674868
DB
3125Name: $name
3126Description: $comment
3127Version: $version
8cd6b388 3128Requires: $(enabled shared || echo $requires)
5dcfe9f8 3129Requires.private: $(enabled shared && echo $requires)
def4272a 3130Conflicts:
8cd6b388 3131Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3132Libs.private: $(enabled shared && echo $libs)
76a448ed 3133Cflags: -I\${includedir}
def4272a 3134EOF
25cd5cb3 3135cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3136prefix=
3137exec_prefix=
46d1ff83 3138libdir=\${pcfiledir}
1d44d365 3139includedir=${source_path}
def4272a 3140
d0674868
DB
3141Name: $name
3142Description: $comment
3143Version: $version
3144Requires: $requires
def4272a 3145Conflicts:
12701f6e 3146Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3147Cflags: -I\${includedir}
3148EOF
d0674868 3149}
def4272a 3150
e426941d 3151pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3152pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3153pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3154pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3155enabled avfilter &&
46983309 3156 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3157enabled postproc &&
e426941d 3158 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3159pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"