Use the official FFmpeg spelling: "ffmpeg" -> "FFmpeg".
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffserver disable ffserver build
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86 --disable-avdevice disable libavdevice build
87 --disable-avcodec disable libavcodec build
88 --disable-avformat disable libavformat build
89 --disable-swscale disable libswscale build
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90 --enable-postproc enable GPLed postprocessing support [no]
91 --enable-avfilter video filter support [no]
92 --enable-avfilter-lavf video filters dependent on avformat [no]
93 --enable-beosthreads use BeOS threads [no]
94 --enable-os2threads use OS/2 threads [no]
95 --enable-pthreads use pthreads [no]
96 --enable-w32threads use Win32 threads [no]
97 --enable-x11grab enable X11 grabbing [no]
98 --disable-network disable network support [no]
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99 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
100 --enable-gray enable full grayscale support (slower color)
101 --disable-swscale-alpha disable alpha channel support in swscale
102 --disable-fastdiv disable table-based division
103 --enable-small optimize for size instead of speed
104 --disable-aandct disable AAN DCT code
7f3f5f46 105 --disable-dct disable DCT code
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106 --disable-fft disable FFT code
107 --disable-golomb disable Golomb code
108 --disable-lpc disable LPC code
109 --disable-mdct disable MDCT code
110 --disable-rdft disable RDFT code
111 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
92c6a099 113 --disable-dxva2 disable DXVA2 code
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114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --enable-beos-netserver enable BeOS netserver
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libfaad enable FAAD support via libfaad [no]
172 --enable-libfaadbin open libfaad.so.0 at runtime [no]
173 --enable-libgsm enable GSM support via libgsm [no]
174 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
175 --enable-libnut enable NUT (de)muxing via libnut,
176 native (de)muxer exists [no]
177 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvorbis enable Vorbis encoding via libvorbis,
182 native implementation exists [no]
183 --enable-libx264 enable H.264 encoding via x264 [no]
184 --enable-libxvid enable Xvid encoding via xvidcore,
185 native MPEG-4/Xvid encoder exists [no]
186 --enable-mlib enable Sun medialib [no]
187 --enable-zlib enable zlib [autodetect]
188
189Advanced options (experts only):
190 --source-path=PATH path to source code [$source_path]
191 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
192 --enable-cross-compile assume a cross-compiler is used
193 --sysroot=PATH root of cross-build tree
194 --sysinclude=PATH location of cross-build system headers
195 --target-os=OS compiler targets OS [$target_os]
196 --target-exec=CMD command to run executables on target
197 --target-path=DIR path to view of build directory on target
198 --nm=NM use nm tool
199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
214 --enable-powerpc-perf enable performance report on PPC
215 (requires enabling PMC)
c8a4ae00 216 --disable-asm disable all assembler optimizations
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217 --disable-altivec disable AltiVec optimizations
218 --disable-amd3dnow disable 3DNow! optimizations
219 --disable-amd3dnowext disable 3DNow! extended optimizations
220 --disable-mmx disable MMX optimizations
221 --disable-mmx2 disable MMX2 optimizations
222 --disable-sse disable SSE optimizations
223 --disable-ssse3 disable SSSE3 optimizations
224 --disable-armv5te disable armv5te optimizations
225 --disable-armv6 disable armv6 optimizations
226 --disable-armv6t2 disable armv6t2 optimizations
227 --disable-armvfp disable ARM VFP optimizations
228 --disable-iwmmxt disable iwmmxt optimizations
229 --disable-mmi disable MMI optimizations
230 --disable-neon disable neon optimizations
231 --disable-vis disable VIS optimizations
232 --disable-yasm disable use of yasm assembler
233 --enable-pic build position-independent code
4ae40685 234 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 235 --enable-sram allow use of on-chip SRAM
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236
237Developer options (useful when working on FFmpeg itself):
238 --disable-debug disable debugging symbols
239 --enable-debug=LEVEL set the debug level [$debuglevel]
240 --enable-gprof enable profiling with gprof [$gprof]
241 --disable-optimizations disable compiler optimizations
242 --enable-extra-warnings enable more compiler warnings
243 --disable-stripping disable stripping of executables and shared libraries
244
245NOTE: Object files are built at the place where configure is launched.
246EOF
60e8bc13 247 exit 0
74c53c2d 248}
cf9d24ad 249
57bd82d4 250log(){
2270b4b2 251 echo "$@" >> $logfile
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252}
253
720c69da 254log_file(){
c8e9f801 255 log BEGIN $1
2270b4b2 256 pr -n -t $1 >> $logfile
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257 log END $1
258}
259
2ba042a7 260echolog(){
c8e9f801 261 log "$@"
57bd82d4 262 echo "$@"
2ba042a7
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263}
264
265die(){
266 echolog "$@"
267 cat <<EOF
d326cf7f 268
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269If you think configure made a mistake, make sure you are using the latest
270version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 271ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 272EOF
e155a21a 273 if disabled logging; then
2ba042a7 274 cat <<EOF
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275Rerun configure with logging enabled (do not use --disable-logging), and
276include the log this produces with your report.
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277EOF
278 else
279cat <<EOF
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280Include the log file "$logfile" produced by configure as this will help
281solving the problem.
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282EOF
283 fi
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284 exit 1
285}
286
6c6007d6 287# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 288toupper(){
6c6007d6 289 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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290}
291
4a5444db 292tolower(){
6c6007d6 293 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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294}
295
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296c_escape(){
297 echo "$*" | sed 's/["\\]/\\\0/g'
298}
299
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300sh_quote(){
301 v=$(echo "$1" | sed "s/'/'\\\\''/g")
302 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
303 echo "$v"
304}
305
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306filter(){
307 pat=$1
308 shift
309 for v; do
98ef6079 310 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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311 done
312}
313
a8d04fba
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314set_all(){
315 value=$1
316 shift
317 for var in $*; do
318 eval $var=$value
319 done
320}
321
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322set_weak(){
323 value=$1
324 shift
325 for var; do
326 eval : \${$var:=$value}
327 done
328}
329
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330pushvar(){
331 for var in $*; do
332 eval level=\${${var}_level:=0}
333 eval ${var}_${level}="\$$var"
334 eval ${var}_level=$(($level+1))
335 done
336}
337
338popvar(){
339 for var in $*; do
340 eval level=\${${var}_level:-0}
341 test $level = 0 && continue
342 eval level=$(($level-1))
343 eval $var="\${${var}_${level}}"
344 eval ${var}_level=$level
345 eval unset ${var}_${level}
346 done
347}
348
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349enable(){
350 set_all yes $*
351}
352
353disable(){
354 set_all no $*
355}
356
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357enable_weak(){
358 set_weak yes $*
359}
360
361disable_weak(){
362 set_weak no $*
363}
364
72702705 365enable_safe(){
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366 for var; do
367 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
368 done
72702705
MR
369}
370
371disable_safe(){
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372 for var; do
373 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
374 done
72702705
MR
375}
376
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377do_enable_deep(){
378 for var; do
379 enabled $var && continue
380 eval sel="\$${var}_select"
c510c7b5
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381 eval sgs="\$${var}_suggest"
382 pushvar var sgs
f9d328da 383 enable_deep $sel
c510c7b5
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384 popvar sgs
385 enable_deep_weak $sgs
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386 popvar var
387 done
388}
389
390enable_deep(){
391 do_enable_deep $*
392 enable $*
393}
394
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395enable_deep_weak(){
396 do_enable_deep $*
397 enable_weak $*
398}
399
57bd82d4 400enabled(){
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MR
401 test "${1#!}" = "$1" && op== || op=!=
402 eval test "x\$${1#!}" $op "xyes"
44161118
MR
403}
404
37970ebf 405disabled(){
3250003c
MR
406 test "${1#!}" = "$1" && op== || op=!=
407 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
408}
409
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410enabled_all(){
411 for opt; do
412 enabled $opt || return 1
413 done
414}
415
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416disabled_all(){
417 for opt; do
418 disabled $opt || return 1
419 done
420}
421
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422enabled_any(){
423 for opt; do
424 enabled $opt && return 0
425 done
426}
427
85bca2c5
DB
428disabled_any(){
429 for opt; do
430 disabled $opt && return 0
431 done
f7b230a7 432 return 1
85bca2c5
DB
433}
434
c9d19248
MR
435set_default(){
436 for opt; do
88268e94 437 eval : \${$opt:=\$${opt}_default}
c9d19248
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438 done
439}
440
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441is_in(){
442 value=$1
443 shift
444 for var in $*; do
445 [ $var = $value ] && return 0
446 done
447 return 1
448}
449
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450check_deps(){
451 for cfg; do
3250003c 452 cfg="${cfg#!}"
799c9e9b
MR
453 enabled ${cfg}_checking && die "Circular dependency for $cfg."
454 disabled ${cfg}_checking && continue
455 enable ${cfg}_checking
456
30fd06be
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457 eval dep_all="\$${cfg}_deps"
458 eval dep_any="\$${cfg}_deps_any"
7ef3425f 459 eval dep_sel="\$${cfg}_select"
c510c7b5 460 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
461 eval dep_ifa="\$${cfg}_if"
462 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 463
3d7453e0
MR
464 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
466 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 467
3d7453e0
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468 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
469 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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470 enabled_all $dep_all || disable $cfg
471 enabled_any $dep_any || disable $cfg
7ef3425f 472 disabled_any $dep_sel && disable $cfg
799c9e9b 473
4ec45764
RP
474 if enabled $cfg; then
475 eval dep_extralibs="\$${cfg}_extralibs"
476 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 477 enable_deep $dep_sel
c510c7b5 478 enable_deep_weak $dep_sgs
4ec45764
RP
479 fi
480
799c9e9b 481 disable ${cfg}_checking
30fd06be
MR
482 done
483}
484
44161118
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485print_config(){
486 pfx=$1
487 header=$2
488 makefile=$3
489 shift 3
490 for cfg; do
5e622c40 491 ucname="$(toupper $cfg)"
44161118 492 if enabled $cfg; then
3d907e22 493 echo "#define ${pfx}${ucname} 1" >> $header
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MR
494 echo "${pfx}${ucname}=yes" >> $makefile
495 else
b250f9c6 496 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 497 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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498 fi
499 done
57bd82d4
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500}
501
502flags_saved(){
2270b4b2 503 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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504}
505
dcd479c0 506save_flags(){
57bd82d4 507 flags_saved && return
dcd479c0
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508 SAVE_CFLAGS="$CFLAGS"
509 SAVE_LDFLAGS="$LDFLAGS"
510 SAVE_extralibs="$extralibs"
511}
512
513restore_flags(){
f5d28d10 514 flags_saved || return
dcd479c0
MR
515 CFLAGS="$SAVE_CFLAGS"
516 LDFLAGS="$SAVE_LDFLAGS"
517 extralibs="$SAVE_extralibs"
518 unset SAVE_CFLAGS
519 unset SAVE_LDFLAGS
520 unset SAVE_extralibs
521}
522
523temp_cflags(){
524 save_flags
525 CFLAGS="$CFLAGS $*"
526}
527
528temp_ldflags(){
529 save_flags
530 LDFLAGS="$LDFLAGS $*"
531}
532
533temp_extralibs(){
534 save_flags
535 extralibs="$extralibs $*"
536}
537
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538append(){
539 var=$1
540 shift
541 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
542 eval "$var=\"\$$var $*\""
543}
544
50a334e4 545add_cppflags(){
caf458dd 546 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
547}
548
57bd82d4 549add_cflags(){
caf458dd 550 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
551}
552
2f2e6c7c 553add_asflags(){
caf458dd 554 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
555}
556
57bd82d4
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557add_ldflags(){
558 append LDFLAGS "$@"
559}
560
561add_extralibs(){
562 append extralibs "$@"
563}
564
b0cfb663 565check_cmd(){
b3cb5d51 566 log "$@"
2270b4b2 567 "$@" >> $logfile 2>&1
b0cfb663
MR
568}
569
dcd479c0 570check_cc(){
57bd82d4 571 log check_cc "$@"
2270b4b2 572 cat > $TMPC
720c69da 573 log_file $TMPC
50a334e4 574 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
575}
576
577check_cpp(){
578 log check_cpp "$@"
2270b4b2 579 cat > $TMPC
720c69da 580 log_file $TMPC
9e7f3277 581 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
582}
583
f65883c8
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584check_as(){
585 log check_as "$@"
586 cat > $TMPC
587 log_file $TMPC
2f2e6c7c 588 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
589}
590
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MR
591check_asm(){
592 log check_asm "$@"
593 name="$1"
3784e82e 594 code="$2"
940f335a 595 shift 2
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596 disable $name
597 check_as "$@" <<EOF && enable $name
3784e82e 598void foo(void){ __asm__ volatile($code); }
940f335a
MR
599EOF
600}
601
304d586d
LM
602check_yasm(){
603 log check_yasm "$@"
604 echo "$1" > $TMPS
605 log_file $TMPS
606 shift 1
607 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
608}
609
dcd479c0 610check_ld(){
57bd82d4 611 log check_ld "$@"
3155a644
MR
612 flags=''
613 libs=''
614 for f; do
615 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
616 done
2a194acd 617 check_cc $($filter_cflags $flags) || return
684b28e0 618 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
619}
620
50a334e4
MR
621check_cppflags(){
622 log check_cppflags "$@"
caf458dd
MR
623 set -- $($filter_cppflags "$@")
624 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
625int x;
626EOF
627}
628
dcd479c0 629check_cflags(){
57bd82d4 630 log check_cflags "$@"
caf458dd
MR
631 set -- $($filter_cflags "$@")
632 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
633int x;
634EOF
635}
636
2ed46eea
MR
637test_ldflags(){
638 log test_ldflags "$@"
639 check_ld "$@" <<EOF
c23a0ac8 640int main(void){ return 0; }
dcd479c0
MR
641EOF
642}
643
2ed46eea
MR
644check_ldflags(){
645 log check_ldflags "$@"
646 test_ldflags "$@" && add_ldflags "$@"
647}
648
dcd479c0 649check_header(){
57bd82d4 650 log check_header "$@"
dcd479c0
MR
651 header=$1
652 shift
b77df637
MR
653 disable_safe $header
654 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
655#include <$header>
656int x;
657EOF
658}
659
660check_func(){
57bd82d4 661 log check_func "$@"
dcd479c0
MR
662 func=$1
663 shift
d8bc5f06
MR
664 disable $func
665 check_ld "$@" <<EOF && enable $func
dcd479c0 666extern int $func();
c23a0ac8 667int main(void){ $func(); }
dcd479c0
MR
668EOF
669}
670
645d2652 671check_mathfunc(){
6b73c0ae 672 log check_mathfunc "$@"
645d2652
MR
673 func=$1
674 shift
675 disable $func
676 check_ld "$@" <<EOF && enable $func
677#include <math.h>
33bd38db
MR
678float foo(float f) { return $func(f); }
679int main(void){ return 0; }
645d2652
MR
680EOF
681}
682
2446d3d6
DB
683check_func_headers(){
684 log check_func_headers "$@"
f8d7b072
MR
685 headers=$1
686 func=$2
687 shift 2
688 disable $func
689 incs=""
690 for hdr in $headers; do
691 incs="$incs
692#include <$hdr>"
693 done
cd0d9a9d 694 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 695$incs
d6773f56 696int main(int argc, char **argv){
2b2c2a81 697 return (long) $func;
f8d7b072
MR
698}
699EOF
700}
701
a5344cf7
SS
702check_cpp_condition(){
703 log check_cpp_condition "$@"
704 header=$1
705 condition=$2
f855b7b9
MR
706 shift 2
707 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
708#include <$header>
709#if !($condition)
710#error "unsatisfied condition: $condition"
711#endif
712EOF
713}
714
57bd82d4
MR
715check_lib(){
716 log check_lib "$@"
717 header="$1"
718 func="$2"
719 shift 2
fcfcde17
MR
720 temp_extralibs "$@"
721 check_header $header && check_func $func && add_extralibs "$@"
722 err=$?
723 restore_flags
724 return $err
57bd82d4
MR
725}
726
f8d7b072
MR
727check_lib2(){
728 log check_lib2 "$@"
729 headers="$1"
730 func="$2"
731 shift 2
300cde27 732 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
733}
734
dcd479c0 735check_exec(){
2270b4b2 736 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
737}
738
7dfef245 739check_exec_crash(){
5e622c40 740 code=$(cat)
7dfef245
MR
741
742 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
743 # are safe but may not be available everywhere. Thus we use
744 # raise(SIGTERM) instead. The check is run in a subshell so we
745 # can redirect the "Terminated" message from the shell. SIGBUS
746 # is not defined by standard C so it is used conditionally.
747
2270b4b2 748 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
749#include <signal.h>
750static void sighandler(int sig){
751 raise(SIGTERM);
752}
e5af4a11 753int main(void){
7dfef245
MR
754 signal(SIGILL, sighandler);
755 signal(SIGFPE, sighandler);
756 signal(SIGSEGV, sighandler);
757#ifdef SIGBUS
758 signal(SIGBUS, sighandler);
759#endif
760 { $code }
761}
762EOF
763}
764
72be9e73
DY
765check_type(){
766 log check_type "$@"
767 headers=$1
768 type=$2
769 shift 2
ae550ce9 770 disable_safe "$type"
72be9e73
DY
771 incs=""
772 for hdr in $headers; do
773 incs="$incs
774#include <$hdr>"
775 done
ae550ce9 776 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
777$incs
778$type v;
779EOF
780}
781
14d36751
MR
782check_struct(){
783 log check_type "$@"
784 headers=$1
785 struct=$2
786 member=$3
787 shift 3
788 disable_safe "${struct}_${member}"
789 incs=""
790 for hdr in $headers; do
791 incs="$incs
792#include <$hdr>"
793 done
794 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
795$incs
796const void *p = &(($struct *)0)->$member;
797EOF
798}
799
57bd82d4
MR
800require(){
801 name="$1"
802 header="$2"
803 func="$3"
804 shift 3
805 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
806}
807
f8d7b072
MR
808require2(){
809 name="$1"
810 headers="$2"
811 func="$3"
812 shift 3
813 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
814}
815
eea50282
MR
816check_foo_config(){
817 cfg=$1
818 pkg=$2
819 header=$3
820 func=$4
821 shift 4
822 disable $cfg
823 check_cmd ${pkg}-config --version
824 err=$?
825 if test "$err" = 0; then
5e622c40
DB
826 temp_cflags $(${pkg}-config --cflags)
827 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
828 check_lib "$@" $header $func && enable $cfg
829 fi
830 return $err
831}
832
f0125de9
MR
833check_host_cc(){
834 log check_host_cc "$@"
835 cat > $TMPC
836 log_file $TMPC
837 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
838}
839
840check_host_cflags(){
841 log check_host_cflags "$@"
842 check_host_cc "$@" <<EOF && append host_cflags "$@"
843int x;
844EOF
845}
846
c505dd31
MR
847apply(){
848 file=$1
849 shift
850 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
851}
852
c34681df
MR
853cp_if_changed(){
854 cmp -s "$1" "$2" &&
855 echo "$2 is unchanged" ||
856 cp -f "$1" "$2"
857}
858
dcd61286
DB
859# CONFIG_LIST contains configurable options, while HAVE_LIST is for
860# system-dependent things.
861
4a0d6686
AJ
862COMPONENT_LIST="
863 bsfs
864 decoders
865 demuxers
866 encoders
3cde40aa 867 filters
5666fd73 868 hwaccels
c552605c 869 indevs
4a0d6686 870 muxers
c552605c 871 outdevs
4a0d6686
AJ
872 parsers
873 protocols
874"
875
876CONFIG_LIST="
877 $COMPONENT_LIST
e8ed9b7a 878 aandct
5a0f7131
MR
879 avcodec
880 avdevice
f7679c54
VS
881 avfilter
882 avfilter_lavf
5a0f7131 883 avformat
c88f5d72
MR
884 avisynth
885 beos_netserver
f402916e 886 bzlib
7f3f5f46 887 dct
c73f65d9 888 doc
92c6a099 889 dxva2
27a9466b 890 fastdiv
c88f5d72
MR
891 ffmpeg
892 ffplay
893 ffserver
1848f7d9 894 fft
4f034993 895 golomb
c88f5d72 896 gpl
ecfc4f44 897 gprof
d8d0d0b2 898 gray
3abe5fbd 899 hardcoded_tables
f7b8bffe 900 libdc1394
690bfceb 901 libdirac
2eed5a46
DB
902 libfaac
903 libfaad
904 libfaadbin
c88f5d72 905 libgsm
6ebe07fb 906 libmp3lame
c88f5d72 907 libnut
0b175caa
DB
908 libopencore_amrnb
909 libopencore_amrwb
9a77d59a 910 libopenjpeg
f7cd9eed 911 libschroedinger
ae14f311 912 libspeex
150d2772 913 libtheora
c88f5d72 914 libvorbis
1cc60c47
DB
915 libx264
916 libxvid
f4d608e3 917 lpc
47a158cb 918 mdct
c88f5d72 919 memalign_hack
a8150374 920 mlib
c88f5d72
MR
921 mpegaudio_hp
922 network
3fe142e2 923 nonfree
8a3c8627 924 pic
4a24ab64 925 postproc
2b4c3615 926 powerpc_perf
68602540 927 rdft
e90f5b5a 928 runtime_cpudetect
2e35e684 929 shared
bd2216e4 930 small
6b35d421 931 sram
2e35e684 932 static
5a0f7131 933 swscale
a9ddb5b1 934 swscale_alpha
17492d5e
DB
935 vaapi
936 vdpau
9cad0e4e 937 version3
56a059ac 938 x11grab
c88f5d72 939 zlib
4a0d6686 940"
c88f5d72 941
8eee7025
DB
942THREADS_LIST='
943 beosthreads
d22e8442 944 os2threads
8eee7025
DB
945 pthreads
946 w32threads
947'
948
3f5b56e5
MR
949ARCH_LIST='
950 alpha
a2fc0f6a 951 arm
fdcd782d
MR
952 avr32
953 avr32_ap
954 avr32_uc
3f5b56e5
MR
955 bfin
956 ia64
957 m68k
958 mips
bae3abb0 959 mips64
3f5b56e5 960 parisc
79cb09b2 961 ppc
34d11b87 962 ppc64
3f5b56e5
MR
963 s390
964 sh4
965 sparc
966 sparc64
0844bae1 967 tomi
3f5b56e5
MR
968 x86
969 x86_32
970 x86_64
971'
972
973ARCH_EXT_LIST='
1ac9331a 974 altivec
3bf96eec 975 amd3dnow
a1ef9f08 976 amd3dnowext
1ac9331a 977 armv5te
edab3048 978 armv6
ab5cb084 979 armv6t2
f55b299a 980 armvfp
3f5b56e5
MR
981 iwmmxt
982 mmi
983 mmx
d7f0920b 984 mmx2
6b18d278 985 neon
799fde37 986 ppc4xx
1bb04d5a 987 sse
9eeed841 988 ssse3
bd9d34a0 989 vis
3f5b56e5
MR
990'
991
a3e02a8c
MR
992HAVE_LIST_PUB='
993 bigendian
994'
995
3f5b56e5
MR
996HAVE_LIST="
997 $ARCH_EXT_LIST
a3e02a8c 998 $HAVE_LIST_PUB
3f5b56e5 999 $THREADS_LIST
35fd8122 1000 alsa_asoundlib_h
3f5b56e5 1001 altivec_h
c9fdab0d 1002 arpa_inet_h
dffb41b9 1003 attribute_may_alias
e7ea5e3d 1004 attribute_packed
6bd859d6 1005 bswap
ecf97f22 1006 closesocket
1ac9331a 1007 cmov
e16e49ac 1008 conio_h
c88f5d72 1009 dcbzl
f8aa696f
DB
1010 dev_bktr_ioctl_bt848_h
1011 dev_bktr_ioctl_meteor_h
1012 dev_ic_bt8xx_h
1013 dev_video_meteor_ioctl_meteor_h
1014 dev_video_bktr_ioctl_bt848_h
18b67ae5 1015 dlfcn_h
c88f5d72 1016 dlopen
bc574408 1017 dos_paths
245626d0
DB
1018 ebp_available
1019 ebx_available
6b7c7703
VS
1020 exp2
1021 exp2f
c2a29455 1022 fast_64bit
669b5583 1023 fast_clz
7073e9fc 1024 fast_cmov
7b829d2a 1025 fast_unaligned
9d99cc5a 1026 fork
84882df6 1027 getaddrinfo
da9e86f8 1028 gethrtime
4e68cb8a 1029 GetProcessTimes
66be5b45 1030 getrusage
2e1913b1 1031 inet_aton
61d251db 1032 inline_asm
abfc8d05 1033 isatty
9f5ff83f 1034 ldbrx
0b4a1821
AS
1035 libdc1394_1
1036 libdc1394_2
a33cab3a 1037 llrint
d96cd429
MR
1038 local_aligned_16
1039 local_aligned_8
291fd18a 1040 log2
6b7c7703 1041 log2f
85dd97ad 1042 loongson
a33cab3a 1043 lrint
c88f5d72 1044 lrintf
e4673692 1045 lzo1x_999_compress
f8aa696f
DB
1046 machine_ioctl_bt848_h
1047 machine_ioctl_meteor_h
c88f5d72
MR
1048 malloc_h
1049 memalign
6ffa87d3 1050 mkstemp
b4e806b2 1051 pld
1f91cdce 1052 posix_memalign
a33cab3a
MK
1053 round
1054 roundf
c88f5d72
MR
1055 sdl
1056 sdl_video_size
b507ebd1 1057 setmode
72be9e73 1058 socklen_t
deb29777 1059 soundcard_h
f8cda19e 1060 poll_h
0104b608 1061 setrlimit
c0018613 1062 struct_addrinfo
b4d68544
MS
1063 struct_ipv6_mreq
1064 struct_sockaddr_in6
3b2372bf 1065 struct_sockaddr_sa_len
33a4dbdd 1066 struct_sockaddr_storage
b58412f1 1067 sys_mman_h
b091aa44 1068 sys_resource_h
81644c2e 1069 sys_select_h
deb29777 1070 sys_soundcard_h
1b6e8b73 1071 sys_videoio_h
d3a4b4e0 1072 ten_operands
e16e49ac 1073 termios_h
b265431e 1074 threads
7b04b8a0 1075 truncf
ce742de2 1076 vfp_args
7c5bfe7a 1077 VirtualAlloc
6ff3f3e7 1078 winsock2_h
cc078b5d 1079 xform_asm
304d586d 1080 yasm
0cb78cef 1081"
44161118 1082
b6bb00b0
MR
1083# options emitted with CONFIG_ prefix but not available on command line
1084CONFIG_EXTRA="
dc4f5a1c 1085 avutil
9cad0e4e
DB
1086 gplv3
1087 lgplv3
b6bb00b0
MR
1088"
1089
520cc7f1 1090CMDLINE_SELECT="
3f5b56e5 1091 $ARCH_EXT_LIST
520cc7f1 1092 $CONFIG_LIST
8eee7025 1093 $THREADS_LIST
c8a4ae00 1094 asm
db6107b6 1095 cross_compile
520cc7f1
MR
1096 debug
1097 extra_warnings
8c6afa4d 1098 logging
d2bbb2f7 1099 optimizations
87a0fb62 1100 stripping
7595a5e4 1101 yasm
520cc7f1 1102"
426be5dc
DB
1103
1104PATHS_LIST='
d156bede 1105 bindir
14a8acf1 1106 datadir
26759c44
MR
1107 incdir
1108 libdir
26759c44
MR
1109 mandir
1110 prefix
1111 shlibdir
426be5dc
DB
1112'
1113
1114CMDLINE_SET="
1115 $PATHS_LIST
1116 arch
313c46a6 1117 as
426be5dc
DB
1118 build_suffix
1119 cc
1120 cpu
1121 cross_prefix
50567afa 1122 dep_cc
ac63af34 1123 extra_version
9da6609f
MR
1124 host_cc
1125 host_cflags
1126 host_ldflags
1127 host_libs
82bb3329 1128 host_os
684b28e0 1129 ld
426be5dc 1130 logfile
4ae40685 1131 malloc_prefix
89641463 1132 nm
26759c44 1133 source_path
4f837398 1134 strip
c5200f17
MR
1135 sysinclude
1136 sysroot
a7ada2ba 1137 target_exec
26759c44 1138 target_os
a7ada2ba 1139 target_path
426be5dc 1140"
520cc7f1 1141
89f2932b
MR
1142CMDLINE_APPEND="
1143 extra_cflags
1144"
1145
912f3148
DB
1146# code dependency declarations
1147
9eeed841 1148# architecture extensions
808fa33c 1149
a2fc0f6a
MR
1150armv5te_deps="arm"
1151armv6_deps="arm"
ab5cb084 1152armv6t2_deps="arm"
a2fc0f6a
MR
1153armvfp_deps="arm"
1154iwmmxt_deps="arm"
808fa33c
MR
1155neon_deps="arm"
1156
e241ba14 1157mmi_deps="mips"
808fa33c
MR
1158
1159altivec_deps="ppc"
1160ppc4xx_deps="ppc"
1161
1162vis_deps="sparc"
1163
7f8c3d1f 1164x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1165amd3dnow_deps="mmx"
1166amd3dnowext_deps="amd3dnow"
9eeed841 1167mmx_deps="x86"
75aa95a6 1168mmx2_deps="mmx"
75aa95a6
DB
1169sse_deps="mmx"
1170ssse3_deps="sse"
9eeed841 1171
e939cedd 1172fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1173fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1174fast_unaligned_if_any="armv6 ppc x86"
669b5583 1175
89e053f8 1176need_memalign="altivec neon sse"
6fec122a 1177inline_asm_deps="!tms470"
89e053f8 1178
26fbcc85
MR
1179# subsystems
1180mdct_select="fft"
1181rdft_select="fft"
1182
5666fd73 1183# decoders / encoders / hardware accelerators
26fbcc85
MR
1184aac_decoder_select="mdct aac_parser"
1185aac_encoder_select="mdct"
1186ac3_decoder_select="mdct ac3_parser"
f4d608e3 1187alac_encoder_select="lpc"
084cbbaa 1188atrac1_decoder_select="mdct"
26fbcc85
MR
1189atrac3_decoder_select="mdct"
1190binkaudio_dct_decoder_select="mdct rdft dct"
1191binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1192cavs_decoder_select="golomb"
26fbcc85 1193cook_decoder_select="mdct"
2eef7c62 1194cscd_decoder_suggest="zlib"
26fbcc85 1195dca_decoder_select="mdct"
e8ed9b7a 1196dnxhd_encoder_select="aandct"
2eef7c62 1197dxa_decoder_select="zlib"
baf91bb9 1198eac3_decoder_select="ac3_decoder"
84c04e25 1199eamad_decoder_select="aandct"
e8ed9b7a 1200eatgq_decoder_select="aandct"
d52b39c7 1201eatqi_decoder_select="aandct"
4f034993
MR
1202ffv1_decoder_select="golomb"
1203flac_decoder_select="golomb"
f4d608e3 1204flac_encoder_select="golomb lpc"
2eef7c62
AJ
1205flashsv_decoder_select="zlib"
1206flashsv_encoder_select="zlib"
4414137e 1207flv_decoder_select="h263_decoder"
4d4b4bd1 1208flv_encoder_select="h263_encoder"
e8ed9b7a 1209h261_encoder_select="aandct"
7f647ae0 1210h263_decoder_select="h263_parser"
e8ed9b7a 1211h263_encoder_select="aandct"
ff418735 1212h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1213h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1214h263i_decoder_select="h263_decoder"
fe629c2d 1215h263p_encoder_select="h263_encoder"
4f034993 1216h264_decoder_select="golomb"
92c6a099
LA
1217h264_dxva2_hwaccel_deps="dxva2api_h"
1218h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1219h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1220h264_vaapi_hwaccel_select="vaapi"
711dae77 1221h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1222h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1223imc_decoder_select="fft mdct"
4f034993
MR
1224jpegls_decoder_select="golomb"
1225jpegls_encoder_select="golomb"
e8ed9b7a 1226ljpeg_encoder_select="aandct"
4f034993 1227loco_decoder_select="golomb"
e8ed9b7a 1228mjpeg_encoder_select="aandct"
2cca233b 1229mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1230mpeg1video_encoder_select="aandct"
1231mpeg2video_encoder_select="aandct"
4414137e 1232mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1233mpeg4_encoder_select="h263_encoder"
711dae77 1234mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1235mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1236mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1237mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1238mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1239mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1240mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1241mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1242mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1243mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1244mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1245mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1246msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1247msmpeg4v1_encoder_select="h263_encoder"
4414137e 1248msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1249msmpeg4v2_encoder_select="h263_encoder"
4414137e 1250msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1251msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1252nellymoser_decoder_select="mdct"
1253nellymoser_encoder_select="mdct"
2eef7c62
AJ
1254png_decoder_select="zlib"
1255png_encoder_select="zlib"
26fbcc85 1256qdm2_decoder_select="mdct rdft"
a8beb22f 1257rv10_decoder_select="h263_decoder"
b2bf38b4 1258rv10_encoder_select="h263_encoder"
a8beb22f 1259rv20_decoder_select="h263_decoder"
b2bf38b4 1260rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1261rv30_decoder_select="golomb"
1262rv40_decoder_select="golomb"
4f034993
MR
1263shorten_decoder_select="golomb"
1264sonic_decoder_select="golomb"
1265sonic_encoder_select="golomb"
1266sonic_ls_encoder_select="golomb"
1267svq3_decoder_select="golomb"
bee2eac5 1268svq3_decoder_suggest="zlib"
4eef77c1 1269theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1270tiff_decoder_suggest="zlib"
1271tiff_encoder_suggest="zlib"
aec09a00 1272truehd_decoder_select="mlp_decoder"
2eef7c62 1273tscc_decoder_select="zlib"
084cbbaa 1274twinvq_decoder_select="mdct"
f95bfab0 1275vc1_decoder_select="h263_decoder"
9104cd51 1276vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1277vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1278vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1279vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1280vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1281vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1282vorbis_decoder_select="mdct"
1283vorbis_encoder_select="mdct"
e82dc4c9
DB
1284vp6a_decoder_select="vp6_decoder"
1285vp6f_decoder_select="vp6_decoder"
084cbbaa 1286wmapro_decoder_select="mdct"
26fbcc85
MR
1287wmav1_decoder_select="mdct"
1288wmav1_encoder_select="mdct"
1289wmav2_decoder_select="mdct"
1290wmav2_encoder_select="mdct"
f95bfab0 1291wmv1_decoder_select="h263_decoder"
665507aa 1292wmv1_encoder_select="h263_encoder"
f95bfab0 1293wmv2_decoder_select="h263_decoder"
1746e2a9 1294wmv2_encoder_select="h263_encoder"
015f8ee0 1295wmv3_decoder_select="vc1_decoder"
f0f86627 1296wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1297wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1298wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1299zlib_decoder_select="zlib"
1300zlib_encoder_select="zlib"
1301zmbv_decoder_select="zlib"
1302zmbv_encoder_select="zlib"
30fd06be 1303
28b80940
DB
1304# parsers
1305h264_parser_select="golomb"
1306
f1e94694
DB
1307# bitstream_filters
1308aac_adtstoasc_bsf_select="aac_parser"
1309
912f3148 1310# external libraries
1b71f045 1311libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1312libdirac_encoder_deps="libdirac"
c9171a83 1313libfaac_encoder_deps="libfaac"
69ddbd1d 1314libfaad_decoder_deps="libfaad"
4ec45764 1315libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1316libgsm_decoder_deps="libgsm"
1317libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1318libgsm_ms_decoder_deps="libgsm"
1319libgsm_ms_encoder_deps="libgsm"
1cc60c47 1320libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1321libopencore_amrnb_decoder_deps="libopencore_amrnb"
1322libopencore_amrnb_encoder_deps="libopencore_amrnb"
1323libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1324libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1325libschroedinger_decoder_deps="libschroedinger"
1326libschroedinger_encoder_deps="libschroedinger"
ae14f311 1327libspeex_decoder_deps="libspeex"
150d2772 1328libtheora_encoder_deps="libtheora"
b0caf888 1329libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1330libx264_encoder_deps="libx264"
1331libxvid_encoder_deps="libxvid"
30fd06be 1332
912f3148 1333# demuxers / muxers
03a76ba9 1334ac3_demuxer_deps="ac3_parser"
647c2356 1335asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1336avisynth_demuxer_deps="avisynth"
1337dirac_demuxer_deps="dirac_parser"
5b423887 1338eac3_demuxer_select="ac3_parser"
647c2356 1339ipod_muxer_select="mov_muxer"
4e622dea
SS
1340libnut_demuxer_deps="libnut"
1341libnut_muxer_deps="libnut"
647c2356 1342matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1343matroska_demuxer_suggest="zlib bzlib"
1344mov_demuxer_suggest="zlib"
1345mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1346mp4_muxer_select="mov_muxer"
1347mpegtsraw_demuxer_select="mpegts_demuxer"
1348mxf_d10_muxer_select="mxf_muxer"
24ca518b 1349ogg_demuxer_select="golomb"
647c2356 1350psp_muxer_select="mov_muxer"
4e622dea
SS
1351rtsp_demuxer_deps="sdp_demuxer"
1352sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
f1e94694 1353spdif_muxer_select="aac_parser"
647c2356
DB
1354tg2_muxer_select="mov_muxer"
1355tgp_muxer_select="mov_muxer"
6bdaa5f4 1356w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1357
1358# indevs / outdevs
38e54a75
SS
1359alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1360alsa_indev_extralibs="-lasound"
1361alsa_outdev_deps="alsa_asoundlib_h"
1362alsa_outdev_extralibs="-lasound"
1363audio_beos_indev_deps="audio_beos"
1364audio_beos_indev_extralibs="-lmedia -lbe"
1365audio_beos_outdev_deps="audio_beos"
1366audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1367bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1368dv1394_indev_deps="dv1394 dv_demuxer"
1369jack_indev_deps="jack_jack_h"
1370jack_indev_extralibs="-ljack"
1371libdc1394_indev_deps="libdc1394"
38e54a75
SS
1372oss_indev_deps_any="soundcard_h sys_soundcard_h"
1373oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1374v4l_indev_deps="linux_videodev_h"
1375v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1376vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1377vfwcap_indev_extralibs="-lavicap32"
38e54a75 1378x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1379x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1380
912f3148 1381# protocols
3fff6382 1382gopher_protocol_deps="network"
c08fb000 1383http_protocol_deps="network"
cbf29889 1384rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1385rtp_protocol_deps="udp_protocol"
1386tcp_protocol_deps="network"
1387udp_protocol_deps="network"
1388
f7679c54 1389# filters
81124ba0 1390movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1391avfilter_lavf_deps="avformat"
1392
1393# libraries
1394avdevice_deps="avcodec avformat"
1395avformat_deps="avcodec"
f7679c54 1396
912f3148 1397# programs
5a0f7131
MR
1398ffmpeg_deps="avcodec avformat swscale"
1399ffplay_deps="avcodec avformat swscale sdl"
43689902 1400ffplay_select="rdft"
5a0f7131 1401ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1402ffserver_extralibs='$ldl'
a2830dca 1403
c73f65d9 1404doc_deps="texi2html"
912f3148 1405
de6d9b64 1406# default parameters
8a608357 1407
2ba042a7 1408logfile="config.err"
8a608357
MR
1409
1410# installation paths
c9d19248
MR
1411prefix_default="/usr/local"
1412bindir_default='${prefix}/bin'
14a8acf1 1413datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1414incdir_default='${prefix}/include'
1415libdir_default='${prefix}/lib'
1416mandir_default='${prefix}/share/man'
1417shlibdir_default="$libdir_default"
8a608357
MR
1418
1419# toolchain
11e6d03a 1420ar="ar"
13c7df3d 1421cc_default="gcc"
a3d7c197 1422cc_version=\"unknown\"
9da6609f 1423host_cc_default="gcc"
11e6d03a 1424ln_s="ln -sf"
89641463 1425nm_default="nm"
11e6d03a 1426objformat="elf"
be7109c1 1427ranlib="ranlib"
4f837398 1428strip_default="strip"
11e6d03a 1429yasmexe="yasm"
8a608357 1430
8182dc34
MR
1431nm_opts='-g'
1432
8a608357 1433# machine
8d4c00ed 1434arch_default=$(uname -m)
38d0a8aa 1435cpu="generic"
8a608357 1436
8a608357 1437# OS
8d4c00ed
MR
1438target_os_default=$(tolower $(uname -s))
1439host_os=$target_os_default
8a608357 1440
8a608357 1441# configurable options
5a0f7131
MR
1442enable avcodec
1443enable avdevice
1444enable avformat
dc4f5a1c 1445enable avutil
c8a4ae00 1446enable asm
497237c7 1447enable debug
c73f65d9 1448enable doc
aa033b1e 1449enable fastdiv
497237c7
RP
1450enable ffmpeg
1451enable ffplay
1452enable ffserver
497237c7
RP
1453enable mpegaudio_hp
1454enable network
8400d6b8 1455enable optimizations
497237c7 1456enable protocols
530dc538 1457enable static
87a0fb62 1458enable stripping
5a0f7131 1459enable swscale
a9ddb5b1 1460enable swscale_alpha
8a608357 1461
8a608357 1462# build settings
9987769a 1463SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1464FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1465LIBPREF="lib"
1466LIBSUF=".a"
c5f14466
RP
1467FULLNAME='$(NAME)$(BUILDSUF)'
1468LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1469SLIBPREF="lib"
1470SLIBSUF=".so"
c5f14466 1471SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1472SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1473SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1474LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1475
7e6c86e6
MR
1476CC_O='-o $@'
1477
f0125de9 1478host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1479host_libs='-lm'
1480
9b861379 1481target_path='$(CURDIR)'
a7ada2ba 1482
0d7dca36
DB
1483# gcc stupidly only outputs the basename of targets with -MM, but we need the
1484# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1485DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1486DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1487
c597172e 1488# find source path
5e622c40 1489source_path="$(dirname "$0")"
497237c7 1490enable source_path_used
24524f36 1491if test -f configure; then
5e622c40 1492 source_path="$(pwd)"
497237c7 1493 disable source_path_used
c597172e 1494else
5e622c40 1495 source_path="$(cd "$source_path"; pwd)"
c597172e 1496 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1497 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1498 test -e "$source_path/config.h" &&
1499 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1500fi
1501
13cbe2c0 1502for v in "$@"; do
b04251c5
MR
1503 r=${v#*=}
1504 l=${v%"$r"}
1505 r=$(sh_quote "$r")
13cbe2c0
MR
1506 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1507done
c597172e 1508
73ef8980
MR
1509find_things(){
1510 thing=$1
1511 pattern=$2
1512 file=$source_path/$3
932ccf39 1513 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1514}
1515
1516ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1517DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1518HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1519PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1520BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1521MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1522DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1523OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1524INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1525PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1526FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1527
7483e694
DB
1528enable $ARCH_EXT_LIST \
1529 $DECODER_LIST \
1530 $ENCODER_LIST \
5666fd73 1531 $HWACCEL_LIST \
7483e694
DB
1532 $PARSER_LIST \
1533 $BSF_LIST \
1534 $DEMUXER_LIST \
1535 $MUXER_LIST \
f7679c54 1536 $FILTER_LIST \
7483e694
DB
1537 $PROTOCOL_LIST \
1538 $INDEV_LIST \
1539 $OUTDEV_LIST \
c597172e
MR
1540
1541die_unknown(){
1542 echo "Unknown option \"$1\"."
1543 echo "See $0 --help for available options."
1544 exit 1
1545}
1546
794f8e97 1547show_list() {
bf0c4afa
RP
1548 suffix=_$1
1549 shift
2b444ea7 1550 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1551 exit 0
1552}
1553
c597172e 1554for opt do
7483e694
DB
1555 optval="${opt#*=}"
1556 case "$opt" in
0f010b2f 1557 --extra-ldflags=*) add_ldflags $optval
7483e694 1558 ;;
0f010b2f 1559 --extra-libs=*) add_extralibs $optval
7483e694 1560 ;;
8fb1cb58 1561 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1562 ;;
40bcf4c7
BL
1563 --enable-debug=*) debuglevel="$optval"
1564 ;;
7483e694 1565 --enable-*=*|--disable-*=*)
8b93ddc3 1566 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1567 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1568 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1569 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1570 $action $(filter "$name" $list)
7483e694
DB
1571 ;;
1572 --enable-?*|--disable-?*)
5e622c40 1573 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1574 if is_in $option $COMPONENT_LIST; then
fed5d54b 1575 test $action = disable && action=unset
e3773a55
MR
1576 eval $action \$$(toupper ${option%s})_LIST
1577 elif is_in $option $CMDLINE_SELECT; then
1578 $action $option
1579 else
1580 die_unknown $opt
1581 fi
7483e694
DB
1582 ;;
1583 --list-*)
1584 NAME="${opt#--list-}"
1585 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1586 NAME=${NAME%s}
1587 eval show_list $NAME \$$(toupper $NAME)_LIST
1588 ;;
1589 --help|-h) show_help
1590 ;;
1591 *)
884a36a7 1592 optname="${opt%%=*}"
26759c44
MR
1593 optname="${optname#--}"
1594 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1595 if is_in $optname $CMDLINE_SET; then
1596 eval $optname='$optval'
1597 elif is_in $optname $CMDLINE_APPEND; then
1598 append $optname "$optval"
1599 else
1600 die_unknown $opt
1601 fi
7483e694
DB
1602 ;;
1603 esac
c597172e
MR
1604done
1605
bcea99bb
MR
1606disabled logging && logfile=/dev/null
1607
13cbe2c0 1608echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1609set >> $logfile
1610
9da6609f
MR
1611test -n "$cross_prefix" && enable cross_compile
1612
8d4c00ed
MR
1613if enabled cross_compile; then
1614 test -n "$arch" && test -n "$target_os" ||
1615 die "Must specify target arch and OS when cross-compiling"
1616fi
1617
1618set_default arch target_os
1619
adb2b908 1620ar="${cross_prefix}${ar}"
11e6d03a 1621cc_default="${cross_prefix}${cc_default}"
20e0ed95 1622nm_default="${cross_prefix}${nm_default}"
adb2b908 1623ranlib="${cross_prefix}${ranlib}"
4f837398 1624strip_default="${cross_prefix}${strip_default}"
adb2b908 1625
c5200f17
MR
1626sysinclude_default="${sysroot}/usr/include"
1627
4f837398 1628set_default cc nm strip sysinclude
9da6609f
MR
1629enabled cross_compile || host_cc_default=$cc
1630set_default host_cc
13c7df3d 1631
82bb3329
MR
1632exesuf() {
1633 case $1 in
1634 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1635 esac
1636}
1637
1638EXESUF=$(exesuf $target_os)
1639HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1640
e4e69e0b 1641# set temporary file name
a49d42c2 1642: ${TMPDIR:=$TEMPDIR}
c51fafa1 1643: ${TMPDIR:=$TMP}
a49d42c2 1644: ${TMPDIR:=/tmp}
e4e69e0b 1645
54460a83
MR
1646if ! check_cmd type mktemp; then
1647 # simple replacement for missing mktemp
1648 # NOT SAFE FOR GENERAL USE
1649 mktemp(){
1650 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1651 }
1652fi
1653
1654tmpfile(){
1655 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1656 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1657 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1658 append TMPFILES $tmp
1659 eval $1=$tmp
1660}
1661
1662trap 'rm -f -- $TMPFILES' EXIT
1663trap exit HUP INT TERM
1664
1665tmpfile TMPC .c
1666tmpfile TMPE $EXESUF
1667tmpfile TMPH .h
1668tmpfile TMPO .o
1669tmpfile TMPS .S
a482e61b 1670tmpfile TMPV .ver
54460a83
MR
1671tmpfile TMPSH .sh
1672
1673unset -f mktemp
e4e69e0b 1674
993f2d0f
MR
1675# make sure we can execute files in $TMPDIR
1676cat > $TMPSH 2>> $logfile <<EOF
1677#! /bin/sh
1678EOF
1679chmod +x $TMPSH >> $logfile 2>&1
1680if ! $TMPSH >> $logfile 2>&1; then
1681 cat <<EOF
1682Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1683variable to another directory and make sure that it is not mounted noexec.
1684EOF
1685 die "Sanity test failed."
1686fi
993f2d0f 1687
19b4c628
MR
1688filter_cflags=echo
1689filter_cppflags=echo
1690filter_asflags=echo
1691
8f0c157a 1692if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1693 cc_type=gcc
a3d7c197 1694 cc_version=__VERSION__
aef6bd1b
MR
1695 if ! $cc -dumpversion | grep -q '^2\.'; then
1696 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1697 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1698 fi
14ca9cd0
MR
1699 speed_cflags='-O3'
1700 size_cflags='-Os'
629687f6
MR
1701elif $cc --version 2>/dev/null | grep -q Intel; then
1702 cc_type=icc
6e3fa35d 1703 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1704 CC_DEPFLAGS='-MMD'
1705 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1706 speed_cflags='-O3'
1707 size_cflags='-Os'
629687f6
MR
1708elif $cc -v 2>&1 | grep -q xlc; then
1709 cc_type=xlc
6e3fa35d 1710 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1711 speed_cflags='-O5'
1712 size_cflags='-O5 -qcompact'
df442a8d
MR
1713elif $cc -V 2>/dev/null | grep -q Compaq; then
1714 cc_type=ccc
6e3fa35d 1715 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1716 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1717 debuglevel=3
df442a8d 1718 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1719 speed_cflags='-fast'
1720 size_cflags='-O1'
6a0d5493 1721elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1722 test -d "$sysroot" || die "No valid sysroot specified."
1723 cc_type=armcc
6e3fa35d 1724 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1725 armcc_conf="$PWD/armcc.conf"
1726 $cc --arm_linux_configure \
1727 --arm_linux_config_file="$armcc_conf" \
1728 --configure_sysroot="$sysroot" \
1729 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1730 die "Error creating armcc configuration file."
1731 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1732 as_default="${cross_prefix}gcc"
07dec06e
MR
1733 CC_DEPFLAGS='-MMD'
1734 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1735 speed_cflags='-O3'
1736 size_cflags='-Os'
6fec122a
MR
1737elif $cc -version 2>/dev/null | grep -q TMS470; then
1738 cc_type=tms470
6e3fa35d 1739 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1740 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1741 CC_O='-fr=$(@D)'
1742 as_default="${cross_prefix}gcc"
1743 ld_default="${cross_prefix}gcc"
6fec122a
MR
1744 TMPO=$(basename $TMPC .c).o
1745 append TMPFILES $TMPO
1746 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1747 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1748 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1749 speed_cflags='-O3 -mf=5'
1750 size_cflags='-O3 -mf=2'
6fec122a
MR
1751 filter_cflags=tms470_flags
1752 tms470_flags(){
1753 for flag; do
1754 case $flag in
1755 -march=*|-mcpu=*)
1756 case "${flag#*=}" in
1757 armv7-a|cortex-a*) echo -mv=7a8 ;;
1758 armv7-r|cortex-r*) echo -mv=7r4 ;;
1759 armv7-m|cortex-m*) echo -mv=7m3 ;;
1760 armv6*|arm11*) echo -mv=6 ;;
1761 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1762 echo -mv=5e ;;
1763 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1764 esac
1765 ;;
1766 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1767 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1768 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1769 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1770 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1771 -g) echo -g -mn ;;
587d24ff 1772 -pds=*) echo $flag ;;
6fec122a
MR
1773 esac
1774 done
1775 }
06da6943
DC
1776elif $cc -v 2>&1 | grep -q clang; then
1777 cc_type=clang
1778 cc_version=__VERSION__
1779 CC_DEPFLAGS='-MMD'
1780 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1781 speed_cflags='-O3'
1782 size_cflags='-Os'
2a472e9c
MK
1783elif $cc -V 2>&1 | grep -q Sun; then
1784 cc_type=suncc
1785 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1786 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1787 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1788 speed_cflags='-O5'
1789 size_cflags='-O5 -xspace'
03279bbe
MK
1790 filter_cflags=suncc_flags
1791 suncc_flags(){
1792 for flag; do
1793 case $flag in
1794 -march=*|-mcpu=*)
1795 case "${flag#*=}" in
1796 native) echo -xtarget=native ;;
1797 v9) echo -xarch=sparc ;;
1798 ultrasparc) echo -xarch=sparcvis ;;
1799 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1800 i586|pentium) echo -xchip=pentium ;;
1801 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1802 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1803 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1804 pentium4*) echo -xtarget=pentium4 ;;
1805 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1806 *-sse3) echo -xarch=sse3 ;;
1807 core2) echo -xarch=ssse3 -xchip=core2 ;;
1808 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1809 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1810 k8|opteron|athlon64|athlon-fx)
1811 echo -xarch=sse2a ;;
1812 athlon*) echo -xarch=pentium_proa ;;
1813 esac
1814 ;;
1815 -std=c99) echo -xc99 ;;
1816 -fomit-frame-pointer) echo -xregs=frameptr ;;
1817 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1818 -W*,*) echo $flag ;;
1819 -f*-*|-W*) ;;
1820 *) echo $flag ;;
1821 esac
1822 done
1823 }
629687f6
MR
1824fi
1825
1826test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1827
75bafbac 1828: ${as_default:=$cc}
50567afa 1829: ${dep_cc_default:=$cc}
684b28e0 1830: ${ld_default:=$cc}
50567afa 1831set_default as dep_cc ld
75800dce 1832
07dec06e
MR
1833test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1834test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1835
7f32f40c 1836add_cflags $extra_cflags
2f2e6c7c 1837add_asflags $extra_cflags
7f32f40c 1838
154d432c
MR
1839if test -n "$sysroot"; then
1840 case "$cc_type" in
1841 gcc)
467256f2 1842 add_cppflags --sysroot="$sysroot"
154d432c
MR
1843 add_ldflags --sysroot="$sysroot"
1844 ;;
6fec122a
MR
1845 tms470)
1846 add_cppflags -I"$sysinclude"
1847 add_ldflags --sysroot="$sysroot"
1848 ;;
06da6943
DC
1849 clang)
1850 add_cppflags -isysroot="$sysroot"
1851 add_ldflags -isysroot="$sysroot"
1852 ;;
154d432c
MR
1853 esac
1854fi
1855
d22c13a8
MR
1856if test "$cpu" = host; then
1857 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1858
1859 case "$cc_type" in
1860 gcc)
1861 check_native(){
1862 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1863 sed -n "/$1=/{
1864 s/.*$1=\\([^ ]*\\).*/\\1/
1865 p
1866 q
1867 }" $TMPE
d22c13a8
MR
1868 }
1869 cpu=$(check_native -march || check_native -mcpu)
1870 ;;
1871 esac
1872
1873 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1874fi
1875
e939cedd
MR
1876# Deal with common $arch aliases
1877case "$arch" in
1878 arm*)
1879 arch="arm"
1880 ;;
1881 mips|mipsel|IP*)
1882 arch="mips"
1883 ;;
1884 mips64)
1885 arch="mips"
1886 subarch="mips64"
1887 ;;
1888 parisc|hppa)
1889 arch="parisc"
1890 ;;
1891 parisc64|hppa64)
1892 arch="parisc"
1893 subarch="parisc64"
1894 ;;
1895 "Power Macintosh"|ppc|powerpc)
1896 arch="ppc"
1897 ;;
1898 ppc64)
1899 arch="ppc"
1900 subarch="ppc64"
1901 ;;
1902 s390|s390x)
1903 arch="s390"
1904 ;;
1905 sh4|sh)
1906 arch="sh4"
1907 ;;
1908 sun4u|sparc64)
1909 arch="sparc"
1910 subarch="sparc64"
1911 ;;
1912 i[3-6]86|i86pc|BePC|x86_64|amd64)
1913 arch="x86"
1914 ;;
1915esac
1916
1917is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1918enable $arch
e939cedd 1919
df5cdc24 1920# Add processor-specific flags
5d54c126
MR
1921if test "$cpu" = generic; then
1922 : do nothing
1923elif enabled ppc; then
343aef9b 1924
56348891
MR
1925 case $(tolower $cpu) in
1926 601|ppc601|powerpc601)
9dbd5c3d 1927 cpuflags="-mcpu=601"
64ad53ff 1928 disable altivec
9dbd5c3d 1929 ;;
56348891 1930 603*|ppc603*|powerpc603*)
9dbd5c3d 1931 cpuflags="-mcpu=603"
64ad53ff 1932 disable altivec
9dbd5c3d 1933 ;;
56348891 1934 604*|ppc604*|powerpc604*)
9dbd5c3d 1935 cpuflags="-mcpu=604"
64ad53ff 1936 disable altivec
9dbd5c3d 1937 ;;
56348891 1938 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1939 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1940 disable altivec
9dbd5c3d 1941 ;;
56348891 1942 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1943 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1944 ;;
56348891 1945 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1946 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1947 ;;
56348891 1948 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1949 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1950 ;;
56348891 1951 cell)
9dbd5c3d
MR
1952 cpuflags="-mcpu=cell"
1953 enable ldbrx
1954 ;;
7b0b81a1
AL
1955 e500v2)
1956 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1957 disable altivec
1958 ;;
1959 e500)
1960 cpuflags="-mcpu=8540 -mhard-float"
1961 disable altivec
1962 ;;
9dbd5c3d 1963 esac
343aef9b
MR
1964
1965elif enabled x86; then
1966
9dbd5c3d
MR
1967 case $cpu in
1968 i[345]86|pentium)
1969 cpuflags="-march=$cpu"
1970 disable mmx
1971 ;;
1972 # targets that do NOT support conditional mov (cmov)
1973 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1974 cpuflags="-march=$cpu"
1975 disable cmov
1976 ;;
1977 # targets that do support conditional mov (cmov)
1978 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1979 cpuflags="-march=$cpu"
1980 enable cmov
1981 enable fast_cmov
1982 ;;
1983 # targets that do support conditional mov but on which it's slow
1984 pentium4|pentium4m|prescott|nocona)
1985 cpuflags="-march=$cpu"
1986 enable cmov
1987 disable fast_cmov
1988 ;;
1989 esac
343aef9b
MR
1990
1991elif enabled sparc; then
1992
9dbd5c3d
MR
1993 case $cpu in
1994 sparc64)
1995 cpuflags="-mcpu=v9"
1996 ;;
1997 esac
343aef9b
MR
1998
1999elif enabled arm; then
2000
34ba23c9
MR
2001 case $cpu in
2002 armv*)
2003 cpuflags="-march=$cpu"
2004 ;;
2005 *)
2006 cpuflags="-mcpu=$cpu"
2007 ;;
2008 esac
343aef9b
MR
2009
2010elif enabled alpha; then
2011
34ba23c9 2012 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2013
2014elif enabled bfin; then
2015
34ba23c9 2016 cpuflags="-mcpu=$cpu"
343aef9b
MR
2017
2018elif enabled mips; then
2019
34ba23c9 2020 cpuflags="-march=$cpu"
343aef9b
MR
2021
2022elif enabled avr32; then
2023
9dbd5c3d
MR
2024 case $cpu in
2025 ap7[02]0[0-2])
2026 subarch="avr32_ap"
2027 cpuflags="-mpart=$cpu"
2028 ;;
2029 ap)
2030 subarch="avr32_ap"
2031 cpuflags="-march=$cpu"
2032 ;;
2033 uc3[ab]*)
2034 subarch="avr32_uc"
2035 cpuflags="-mcpu=$cpu"
2036 ;;
2037 uc)
2038 subarch="avr32_uc"
2039 cpuflags="-march=$cpu"
2040 ;;
2041 esac
df5cdc24 2042
343aef9b
MR
2043fi
2044
df5cdc24
MR
2045add_cflags $cpuflags
2046add_asflags $cpuflags
2047
993f2d0f
MR
2048# compiler sanity check
2049check_exec <<EOF
2050int main(void){ return 0; }
2051EOF
2052if test "$?" != 0; then
2053 echo "$cc is unable to create an executable file."
2054 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2055 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2056 echo "Only do this if you know what cross compiling means."
2057 fi
2058 die "C compiler test failed."
2059fi
2060
38a9c529 2061add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2062check_cflags -std=c99
50a334e4 2063check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2064#include <stdlib.h>
2065EOF
50a334e4 2066check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2067#include <stdlib.h>
2068EOF
e9b9a2f8 2069
f0125de9
MR
2070check_host_cflags -std=c99
2071
b24dbcbd 2072case "$arch" in
e939cedd 2073 alpha|ia64|mips|parisc|sparc)
8a3c8627 2074 spic=$shared
b24dbcbd 2075 ;;
e939cedd 2076 x86)
cfdb6148 2077 subarch="x86_32"
e939cedd 2078 check_cc <<EOF && subarch="x86_64"
58b3536d 2079 int test[(int)sizeof(char*) - 7];
cfdb6148 2080EOF
de27f4d9 2081 if test "$subarch" = "x86_64"; then
e939cedd 2082 spic=$shared
de27f4d9 2083 fi
b24dbcbd 2084 ;;
b24dbcbd
RP
2085esac
2086
343aef9b 2087enable $subarch
8a3c8627 2088enabled spic && enable pic
5755bc88 2089check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2090
7483e694 2091# OS specific
4f854758 2092case $target_os in
7483e694 2093 beos|haiku|zeta)
c9d19248 2094 prefix_default="$HOME/config"
7483e694 2095 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2096 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2097 case "$gcc_version" in
2098 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2099 disable mmx
2100 ;;
2101 *20010315*) echo "BeBits gcc"
0f010b2f 2102 add_cflags -fno-expensive-optimizations
7483e694
DB
2103 ;;
2104 esac
7483e694
DB
2105 SHFLAGS=-nostart
2106 # enable BeOS things
2107 enable audio_beos
2108 # no need for libm, but the inet stuff
2109 # Check for BONE
2110 # XXX: actually should check for NOT net_server
78fe7631 2111 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2112 network_extralibs="-lbind -lsocket"
2113 else
2114 enable beos_netserver
2115 network_extralibs="-lnet"
2116 fi ;;
2117 sunos)
2118 FFSERVERLDFLAGS=""
9987769a 2119 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2120 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2121 network_extralibs="-lsocket -lnsl"
50a334e4 2122 add_cppflags -D__EXTENSIONS__
8182dc34 2123 nm_opts='-P -g'
7483e694
DB
2124 ;;
2125 netbsd)
07a8eef6
MR
2126 oss_indev_extralibs="-lossaudio"
2127 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2128 ;;
2129 openbsd)
89e053f8 2130 enable malloc_aligned
7c4a001a
MR
2131 # On OpenBSD 4.5. the compiler does not use PIC unless
2132 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2133 # however the generated executable will not do anything
2134 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2135 # Thus explicitly enable PIC here.
cd78208b 2136 enable pic
7483e694 2137 SHFLAGS='-shared'
07a8eef6
MR
2138 oss_indev_extralibs="-lossaudio"
2139 oss_outdev_extralibs="-lossaudio"
7483e694 2140 ;;
90b4f091 2141 freebsd|dragonfly)
89e053f8 2142 enable malloc_aligned
7483e694
DB
2143 ;;
2144 bsd/os)
2145 osextralibs="-lpoll -lgnugetopt"
2146 strip="strip -d"
2147 ;;
2148 darwin)
89e053f8 2149 enable malloc_aligned
0138c54e 2150 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2151 strip="strip -x"
2152 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2153 SLIBSUF=".dylib"
2154 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2155 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2156 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2157 objformat="macho"
1b0f6fb8 2158 enabled x86_64 && objformat="macho64"
8dfa86f7 2159 enabled_any pic shared ||
2704bd1a 2160 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2161 ;;
2162 mingw32*)
9d3f4f50 2163 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2164 disable network
2165 else
2166 target_os=mingw32
2167 fi
dcc01c06 2168 LIBTARGET=i386
1fc9fb8a 2169 if enabled x86_64; then
89e053f8 2170 enable malloc_aligned
dcc01c06 2171 LIBTARGET=x64
336cc1b0
MS
2172 elif enabled arm; then
2173 LIBTARGET=arm
dcc01c06 2174 fi
fbd971a4 2175 shlibdir_default="$bindir_default"
7483e694
DB
2176 disable ffserver
2177 SLIBPREF=""
2178 SLIBSUF=".dll"
7483e694
DB
2179 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2180 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2181 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2182 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2183 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2184 install -d "$(LIBDIR)"; \
2185 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2186 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2187 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2188 objformat="win32"
bc574408 2189 enable dos_paths
1894e741 2190 check_cflags -fno-common
b1549d61 2191 if ! enabled x86_64; then
f7ad5aa2
RP
2192 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2193 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2194 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2195 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2196 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2197 fi
7483e694
DB
2198 ;;
2199 cygwin*)
4f854758 2200 target_os=cygwin
fbd971a4 2201 shlibdir_default="$bindir_default"
7483e694
DB
2202 SLIBPREF="cyg"
2203 SLIBSUF=".dll"
2204 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2205 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2206 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2207 objformat="win32"
bc574408 2208 enable dos_paths
1894e741 2209 check_cflags -fno-common
7483e694 2210 ;;
4f365f37 2211 *-dos|freedos|opendos)
fdf11906 2212 disable ffplay ffserver
4f365f37
MK
2213 disable $INDEV_LIST $OUTDEV_LIST
2214 network_extralibs="-lsocket"
ff1c015d 2215 objformat="coff"
bc574408 2216 enable dos_paths
4f365f37 2217 ;;
7483e694 2218 linux)
7483e694
DB
2219 enable dv1394
2220 ;;
2221 irix*)
4f854758 2222 target_os=irix
7483e694
DB
2223 ranlib="echo ignoring ranlib"
2224 ;;
d22e8442 2225 os/2*)
d22e8442
DY
2226 strip="lxlite"
2227 ln_s="cp -f"
d22e8442 2228 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2229 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2230 FFSERVERLDFLAGS=""
287d3b13 2231 LIBSUF="_s.a"
d22e8442
DY
2232 SLIBPREF=""
2233 SLIBSUF=".dll"
2234 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2235 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2236 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2237 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2238 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2239 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2240 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2241 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2242 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2243 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2244 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2245 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2246 enable dos_paths
d22e8442 2247 ;;
83993c1c
AM
2248 gnu/kfreebsd)
2249 ;;
34e82167 2250 gnu)
34e82167 2251 ;;
614d8911
MR
2252 none)
2253 ;;
7483e694 2254 *)
4f924f9a 2255 die "Unknown OS '$target_os'."
7483e694
DB
2256 ;;
2257esac
2258
c9d19248
MR
2259set_default $PATHS_LIST
2260
c597172e 2261add_extralibs $osextralibs
de6d9b64 2262
28d8e661
DB
2263# Combine FFLDFLAGS and the LDFLAGS environment variable.
2264LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2265
320d060a 2266# we need to build at least one lib type
93b3c083 2267if ! enabled_any static shared; then
320d060a
DB
2268 cat <<EOF
2269At least one library type must be built.
2270Specify --enable-static to build the static libraries or --enable-shared to
2271build the shared libraries as well. To only build the shared libraries specify
2272--disable-static in addition to --enable-shared.
2273EOF
2274 exit 1;
2275fi
2276
abc4e572 2277disabled static && LIBNAME=""
2a320695 2278
a2234ceb
RP
2279if enabled_any libfaad libfaadbin ; then
2280 if check_header faad.h; then
295b8c70 2281 check_cc <<EOF
a2234ceb
RP
2282#include <faad.h>
2283#ifndef FAAD2_VERSION
2284ok faad1
2285#endif
db817cf3 2286int main(void) { return 0; }
a2234ceb
RP
2287EOF
2288 test $? = 0 && enable libfaad2
2289 else
ff3dac65 2290 die "FAAD test failed."
a2234ceb
RP
2291 fi
2292fi
2293
2294
2184c6f7 2295die_license_disabled() {
4c27207c 2296 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2297}
2298
2299die_license_disabled gpl libfaad2
2300die_license_disabled gpl libx264
2301die_license_disabled gpl libxvid
2302die_license_disabled gpl postproc
2303die_license_disabled gpl x11grab
2304
2f7ae63b 2305die_license_disabled nonfree libfaac
b2e3c528 2306
0b175caa
DB
2307die_license_disabled version3 libopencore_amrnb
2308die_license_disabled version3 libopencore_amrwb
2309
9cad0e4e 2310enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2311
9eeed841 2312check_deps $ARCH_EXT_LIST
0f3cb305 2313
40617a6d 2314disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2315
e276d9e8
MR
2316enable_pic() {
2317 enable pic
bce7b696
MR
2318 add_cppflags -DPIC
2319 add_cflags -fPIC
2320 add_asflags -fPIC
e276d9e8
MR
2321}
2322
2323enabled pic && enable_pic
bce7b696 2324
b4d96ba2
MR
2325check_cc <<EOF || die "Symbol mangling check failed."
2326int ff_extern;
2327EOF
8182dc34 2328sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2329extern_prefix=${sym%%ff_extern*}
2330
f65883c8
MR
2331check_cc <<EOF && enable inline_asm
2332void foo(void) { __asm__ volatile ("" ::); }
2333EOF
61d251db 2334
df5e3978
MR
2335_restrict=
2336for restrict_keyword in restrict __restrict__ __restrict; do
2337 check_cc <<EOF && _restrict=$restrict_keyword && break
2338void foo(char * $restrict_keyword p);
2339EOF
2340done
2341
2342check_cc <<EOF && enable attribute_packed
2343struct { int x; } __attribute__((packed)) x;
2344EOF
2345
dffb41b9
MR
2346check_cc <<EOF && enable attribute_may_alias
2347union { int x; } __attribute__((may_alias)) x;
2348EOF
2349
df5e3978
MR
2350check_cc <<EOF || die "endian test failed"
2351unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2352EOF
48fc536a 2353od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2354
e939cedd
MR
2355if enabled alpha; then
2356
2357 check_cflags -mieee
2358
2359elif enabled arm; then
e45391bb 2360
50fa82e6
MR
2361 check_cflags -marm
2362
fa0912fe
MR
2363 check_ld <<EOF && enable vfp_args
2364__asm__ (".eabi_attribute 28, 1");
2365int main(void) { return 0; }
2366EOF
2367
2368 # We have to check if pld is a nop and disable it.
2369 check_asm pld '"pld [r0]"'
2370
2371 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2372 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2373 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2374 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2375 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2376 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2377
e276d9e8
MR
2378 enabled_all armv6t2 shared !pic && enable_pic
2379
e939cedd
MR
2380elif enabled ia64; then
2381
2382 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2383 enabled shared && enable_weak hardcoded_tables
2384
fa0912fe 2385elif enabled mips; then
e45391bb 2386
fa0912fe
MR
2387 check_asm loongson '"dmult.g $1, $2, $3"'
2388 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2389
fa0912fe 2390elif enabled ppc; then
e45391bb 2391
e6a0c354
MR
2392 enable local_aligned_8 local_aligned_16
2393
fa0912fe
MR
2394 check_asm dcbzl '"dcbzl 0, 1"'
2395 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2396 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2397
2398 # AltiVec flags: The FSF version of GCC differs from the Apple version
2399 if enabled altivec; then
2400 check_cflags -maltivec -mabi=altivec &&
2401 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2402 check_cflags -faltivec
2403
2404 # check if our compiler supports Motorola AltiVec C API
2405 check_cc <<EOF || disable altivec
2406$inc_altivec_h
2407int main(void) {
2408 vector signed int v1, v2, v3;
2409 v1 = vec_add(v2,v3);
2410 return 0;
2411}
2412EOF
2413
2414 # check if our compiler supports braces for vector declarations
2415 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2416$inc_altivec_h
2417int main (void) { (vector int) {1}; return 0; }
2418EOF
2419 fi
e45391bb 2420
fa0912fe 2421elif enabled sparc; then
e45391bb 2422
fa0912fe
MR
2423 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2424 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2425
fa0912fe 2426elif enabled x86; then
e45391bb 2427
e6a0c354
MR
2428 enable local_aligned_8 local_aligned_16
2429
44965991
PI
2430 # check whether EBP is available on x86
2431 # As 'i' is stored on the stack, this program will crash
2432 # if the base pointer is used to access it because the
2433 # base pointer is cleared in the inline assembly code.
7dfef245 2434 check_exec_crash <<EOF && enable ebp_available
44965991 2435 volatile int i=0;
be449fca 2436 __asm__ volatile (
44965991
PI
2437 "xorl %%ebp, %%ebp"
2438 ::: "%ebp");
2439 return i;
44965991
PI
2440EOF
2441
f494213c 2442 # check whether EBX is available on x86
7cee5421
MR
2443 check_asm ebx_available '""::"b"(0)' &&
2444 check_asm ebx_available '"":::"%ebx"'
8e380710 2445
d3a4b4e0
DB
2446 # check whether more than 10 operands are supported
2447 check_cc <<EOF && enable ten_operands
2448int main(void) {
2449 int x=0;
2450 __asm__ volatile(
2451 ""
2452 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2453 );
2454 return 0;
2455}
2456EOF
2457
d7f0920b 2458 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2459 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2460 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2461
2462 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2463
d52481b9 2464 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2465 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2466 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2467 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2468 case "$objformat" in
2469 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2470 esac
7595a5e4 2471 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2472
669b5583
MR
2473 case "$cpu" in
2474 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2475 disable fast_clz
2476 ;;
2477 esac
2478
44965991
PI
2479fi
2480
a98bb16d
RP
2481if check_func dlopen; then
2482 ldl=
2483elif check_func dlopen -ldl; then
2484 ldl=-ldl
8bf5d58f
MN
2485fi
2486
75ecf149
DB
2487# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2488check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2489
7483e694 2490check_func fork
84882df6 2491check_func getaddrinfo $network_extralibs
7483e694
DB
2492check_func gethrtime
2493check_func getrusage
094c09bb 2494check_func inet_aton $network_extralibs
abfc8d05 2495check_func isatty
4ae40685 2496check_func ${malloc_prefix}memalign && enable memalign
7483e694 2497check_func mkstemp
4ae40685 2498check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2499check_func setrlimit
b507ebd1 2500check_func_headers io.h setmode
e4673692 2501check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 2502check_func_headers windows.h GetProcessTimes
7c5bfe7a 2503check_func_headers windows.h VirtualAlloc
6ffa87d3 2504
e16e49ac 2505check_header conio.h
a98bb16d 2506check_header dlfcn.h
92c6a099 2507check_header dxva2api.h
a98bb16d 2508check_header malloc.h
bf6ce82d 2509check_header poll.h
b58412f1 2510check_header sys/mman.h
b091aa44 2511check_header sys/resource.h
bf6ce82d 2512check_header sys/select.h
a98bb16d 2513check_header termios.h
272081b0
CEH
2514check_header vdpau/vdpau.h
2515check_header vdpau/vdpau_x11.h
68178ca9 2516check_header X11/extensions/XvMClib.h
a98bb16d 2517
9104cd51
RP
2518check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2519
89e053f8
MR
2520if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2521 enabled_any $need_memalign ; then
1f91cdce 2522 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2523fi
e16e49ac 2524
a4fa192c 2525disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2526disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2527
2528# check for some common methods of building with pthread support
2529# do this before the optional library checks as some of them require pthreads
2530if enabled pthreads; then
9e7fd101
MR
2531 if check_func pthread_create; then
2532 :
2533 elif check_func pthread_create -pthread; then
2534 add_cflags -pthread
afc9aee2 2535 add_extralibs -pthread
9e7fd101
MR
2536 elif check_func pthread_create -pthreads; then
2537 add_cflags -pthreads
afc9aee2 2538 add_extralibs -pthreads
8d94f606
GT
2539 elif check_func pthread_create -lpthreadGC2; then
2540 add_extralibs -lpthreadGC2
9e7fd101
MR
2541 elif ! check_lib pthread.h pthread_create -lpthread; then
2542 die "ERROR: can't find pthreads library"
2543 fi
57bd82d4
MR
2544fi
2545
8eee7025 2546for thread in $THREADS_LIST; do
e5f94c2b 2547 if enabled $thread; then
3ae3b721
RP
2548 test -n "$thread_type" &&
2549 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2550 thread_type="$thread"
e5f94c2b
RP
2551 fi
2552done
2553
fdf88598 2554check_lib math.h sin -lm
ff418735 2555check_lib va/va.h vaInitialize -lva
fdf88598 2556
645d2652
MR
2557check_mathfunc exp2
2558check_mathfunc exp2f
2559check_mathfunc llrint
2560check_mathfunc log2
2561check_mathfunc log2f
2562check_mathfunc lrint
2563check_mathfunc lrintf
2564check_mathfunc round
2565check_mathfunc roundf
2566check_mathfunc truncf
f32adb22 2567
57bd82d4 2568# these are off by default, so fail if requested and not available
a1b3c5a3 2569enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2570enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2571 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2572 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2573enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2574enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2575enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2576enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2577enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2578enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2579enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2580enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2581enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2582 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2583enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2584enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2585enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2586enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2587 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2588 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2589enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2590enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2591
0b4a1821
AS
2592# libdc1394 check
2593if enabled libdc1394; then
2594 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2595 enable libdc1394_2; } ||
2596 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2597 enable libdc1394_1; } ||
2598 die "ERROR: No version of libdc1394 found "
2599fi
2600
6a1a892f 2601SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2602if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2603 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2604 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2605 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2606 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2607 enable sdl &&
2608 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2609fi
57bd82d4 2610
2270b4b2 2611texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2612
73b46a95 2613if enabled network; then
96000432 2614 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2615 check_type netdb.h "struct addrinfo"
b4d68544
MS
2616 check_type netinet/in.h "struct ipv6_mreq"
2617 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2618 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2619 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2620 # Prefer arpa/inet.h over winsock2
2621 if check_header arpa/inet.h ; then
2622 check_func closesocket
2623 elif check_header winsock2.h ; then
f4c13872
MS
2624 check_func_headers winsock2.h closesocket -lws2 && \
2625 network_extralibs="-lws2" || \
2626 { check_func_headers winsock2.h closesocket -lws2_32 && \
2627 network_extralibs="-lws2_32"; }
72be9e73 2628 check_type ws2tcpip.h socklen_t
c0018613 2629 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2630 check_type ws2tcpip.h "struct ipv6_mreq"
2631 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2632 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2633 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2634 else
2635 disable network
73b46a95
RP
2636 fi
2637fi
2638
06e31011
RP
2639check_header linux/videodev.h
2640check_header linux/videodev2.h
1b6e8b73 2641check_header sys/videoio.h
47f38850 2642
27796dc3 2643check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2644
f8aa696f 2645# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2646{ check_header dev/bktr/ioctl_meteor.h &&
2647 check_header dev/bktr/ioctl_bt848.h; } ||
2648{ check_header machine/ioctl_meteor.h &&
2649 check_header machine/ioctl_bt848.h; } ||
2650{ check_header dev/video/meteor/ioctl_meteor.h &&
2651 check_header dev/video/bktr/ioctl_bt848.h; } ||
2652check_header dev/ic/bt8xx.h
f8aa696f 2653
c7682de0
RP
2654check_header sys/soundcard.h
2655check_header soundcard.h
deb29777 2656
b6f3d925 2657enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2658
0e57fe17 2659enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2660
56a059ac 2661enabled x11grab &&
f58f4ce1
GP
2662check_header X11/Xlib.h &&
2663check_header X11/extensions/XShm.h &&
0a045661 2664check_header X11/extensions/Xfixes.h &&
f58f4ce1 2665check_func XOpenDisplay -lX11 &&
781c1aa6
R
2666check_func XShmCreateImage -lX11 -lXext &&
2667check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2668
598ef02b 2669if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2670check_cpp_condition \
2671 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2672 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2673 disable vdpau; }
abf649c7 2674fi
deda2a4a 2675
95e561ec 2676enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2677
2678# add some useful compiler flags if supported
2679check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2680check_cflags -Wall
2681check_cflags -Wno-switch
c07bd6a9
MN
2682check_cflags -Wdisabled-optimization
2683check_cflags -Wpointer-arith
2684check_cflags -Wredundant-decls
cc1fb623 2685check_cflags -Wno-pointer-sign
f4929996 2686check_cflags -Wcast-qual
9aceb3cf 2687check_cflags -Wwrite-strings
652a5bf6 2688check_cflags -Wtype-limits
764551c6 2689check_cflags -Wundef
5af4e0cc 2690enabled extra_warnings && check_cflags -Winline
cf9d24ad 2691
57bd82d4 2692# add some linker flags
5c0e9479 2693check_ldflags -Wl,--warn-common
8351d2ba
DB
2694check_ldflags -Wl,--as-needed
2695check_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 2696check_ldflags -Wl,-Bsymbolic
94a3401e 2697
a482e61b
MR
2698echo "X{};" > $TMPV
2699test_ldflags -Wl,--version-script,$TMPV &&
2700 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2701
bd2216e4 2702if enabled small; then
14ca9cd0 2703 add_cflags $size_cflags
8400d6b8
DB
2704 optimizations="small"
2705elif enabled optimizations; then
14ca9cd0 2706 add_cflags $speed_cflags
cddf3f45 2707fi
11fdbc44 2708check_cflags -fno-math-errno
b2eb2ff0 2709check_cflags -fno-signed-zeros
cddf3f45 2710
629687f6 2711if enabled icc; then
b1598b58
MR
2712 # Just warnings, no remarks
2713 check_cflags -w1
2714 # -wd: Disable following warnings
2715 # 144, 167, 556: -Wno-pointer-sign
2716 # 10006: ignoring unknown option -fno-signed-zeros
2717 # 10156: ignoring option '-W'; no argument required
b80218aa 2718 check_cflags -wd144,167,556,1292,10006,10156
b1598b58
MR
2719 # 11030: Warning unknown option --as-needed
2720 # 10156: ignoring option '-export'; no argument required
2721 check_ldflags -wd10156,11030
2722 # Allow to compile with optimizations
2723 check_ldflags -march=$cpu
be2cf98a
CEH
2724 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2725 enable ebp_available
df442a8d
MR
2726elif enabled ccc; then
2727 # disable some annoying warnings
2728 add_cflags -msg_disable cvtu32to64
2729 add_cflags -msg_disable embedcomment
2730 add_cflags -msg_disable needconstext
2731 add_cflags -msg_disable nomainieee
2732 add_cflags -msg_disable ptrmismatch1
2733 add_cflags -msg_disable unreachcode
973859f5
MR
2734elif enabled gcc; then
2735 check_cflags -fno-tree-vectorize
06da6943
DC
2736elif enabled clang; then
2737 check_cflags -Qunused-arguments
138132be
MR
2738elif enabled armcc; then
2739 # 2523: use of inline assembler is deprecated
2740 add_cflags -Wrvct,--diag_suppress=2523
587d24ff
MR
2741elif enabled tms470; then
2742 add_cflags -pds=824 -pds=837
504a64b9
CEH
2743fi
2744
90be59ef 2745if enabled gprof; then
0f010b2f
DB
2746 add_cflags -p
2747 add_ldflags -p
1db54e20
DB
2748fi
2749
7f3c02fc 2750# Find out if the .align argument is a power of two or not.
9377b6ce 2751check_asm asmalign_pot '".align 3"'
4454dc1b 2752
7483e694
DB
2753enabled_any $DECODER_LIST && enable decoders
2754enabled_any $ENCODER_LIST && enable encoders
5666fd73 2755enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2756enabled_any $BSF_LIST && enable bsfs
2757enabled_any $DEMUXER_LIST && enable demuxers
2758enabled_any $MUXER_LIST && enable muxers
f7679c54 2759enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2760enabled_any $INDEV_LIST && enable indevs
2761enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2762enabled_any $PROTOCOL_LIST && enable protocols
2763
2764enabled_any $THREADS_LIST && enable threads
2765
2766check_deps $CONFIG_LIST \
b6bb00b0 2767 $CONFIG_EXTRA \
7483e694
DB
2768 $HAVE_LIST \
2769 $DECODER_LIST \
2770 $ENCODER_LIST \
5666fd73 2771 $HWACCEL_LIST \
7483e694
DB
2772 $PARSER_LIST \
2773 $BSF_LIST \
2774 $DEMUXER_LIST \
2775 $MUXER_LIST \
f7679c54 2776 $FILTER_LIST \
7483e694
DB
2777 $INDEV_LIST \
2778 $OUTDEV_LIST \
2779 $PROTOCOL_LIST \
f70f03f6 2780
c8a4ae00
MR
2781enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2782
3e89171a 2783echo "install prefix $prefix"
f36958f8
DB
2784echo "source path $source_path"
2785echo "C compiler $cc"
bfd5afd8 2786echo ".align is power-of-two $asmalign_pot"
f36958f8 2787echo "ARCH $arch ($cpu)"
ce8871c2
MR
2788if test "$build_suffix" != ""; then
2789 echo "build suffix $build_suffix"
eb94aca9 2790fi
ac63af34
DB
2791if test "$extra_version" != ""; then
2792 echo "version string suffix $extra_version"
2793fi
0db2ce77 2794echo "big-endian ${bigendian-no}"
e90f5b5a 2795echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2796if enabled x86; then
af44e8e4 2797 echo "yasm ${yasm-no}"
0db2ce77 2798 echo "MMX enabled ${mmx-no}"
30e98e62 2799 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2800 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2801 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2802 echo "SSE enabled ${sse-no}"
30e98e62 2803 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2804 echo "CMOV enabled ${cmov-no}"
2805 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2806 echo "EBX available ${ebx_available-no}"
2807 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2808 echo "10 operands supported ${ten_operands-no}"
e41e8342 2809fi
5b6c2cbd 2810if enabled arm; then
0db2ce77
MR
2811 echo "ARMv5TE enabled ${armv5te-no}"
2812 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2813 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2814 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2815 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2816 echo "NEON enabled ${neon-no}"
eba9ae3c 2817fi
5b6c2cbd 2818if enabled mips; then
0db2ce77 2819 echo "MMI enabled ${mmi-no}"
e41e8342 2820fi
5b6c2cbd 2821if enabled ppc; then
0db2ce77 2822 echo "AltiVec enabled ${altivec-no}"
30e98e62 2823 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2824 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2825 echo "performance report ${powerpc_perf-no}"
2826fi
2827if enabled sparc; then
2828 echo "VIS enabled ${vis-no}"
e41e8342 2829fi
0db2ce77
MR
2830echo "gprof enabled ${gprof-no}"
2831echo "debug symbols ${debug-no}"
87a0fb62 2832echo "strip symbols ${stripping-no}"
8400d6b8 2833echo "optimizations ${optimizations-no}"
0db2ce77
MR
2834echo "static ${static-no}"
2835echo "shared ${shared-no}"
4a24ab64 2836echo "postprocessing support ${postproc-no}"
f7679c54 2837echo "new filter support ${avfilter-no}"
81124ba0 2838echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2839echo "network support ${network-no}"
0db2ce77
MR
2840echo "threading support ${thread_type-no}"
2841echo "SDL support ${sdl-no}"
0db2ce77
MR
2842echo "Sun medialib support ${mlib-no}"
2843echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2844echo "libdc1394 support ${libdc1394-no}"
690bfceb 2845echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2846echo "libfaac enabled ${libfaac-no}"
2847echo "libfaad enabled ${libfaad-no}"
7e0871a7 2848echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2849echo "libgsm enabled ${libgsm-no}"
2850echo "libmp3lame enabled ${libmp3lame-no}"
2851echo "libnut enabled ${libnut-no}"
0b175caa
DB
2852echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2853echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2854echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2855echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2856echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2857echo "libtheora enabled ${libtheora-no}"
2858echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2859echo "libx264 enabled ${libx264-no}"
2860echo "libxvid enabled ${libxvid-no}"
0db2ce77 2861echo "zlib enabled ${zlib-no}"
f402916e 2862echo "bzlib enabled ${bzlib-no}"
2c62e737 2863echo
de6d9b64 2864
5666fd73 2865for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2866 echo "Enabled ${type}s:"
f65c9da1 2867 eval list=\$$(toupper $type)_LIST
8138b9db 2868 for part in $list; do
f65c9da1
MR
2869 enabled $part && echo ${part%_*}
2870 done | sort | pr -3 -t
2871 echo
8138b9db
RP
2872done
2873
ba7a7039 2874license="LGPL version 2.1 or later"
ba321adb 2875if enabled nonfree; then
ba7a7039 2876 license="nonfree and unredistributable"
9cad0e4e
DB
2877elif enabled gplv3; then
2878 license="GPL version 3 or later"
2879elif enabled lgplv3; then
2880 license="LGPL version 3 or later"
ba321adb 2881elif enabled gpl; then
ba7a7039 2882 license="GPL version 2 or later"
ba321adb
JK
2883fi
2884
2885echo "License: $license"
ca5323af 2886
cf1392e9
DB
2887echo "Creating config.mak and config.h..."
2888
df642790
MR
2889# build tree in object directory if source path is different from current one
2890if enabled source_path_used; then
2891 DIRS="
2892 doc
2893 libavcodec
2894 libavcodec/$arch
2895 libavdevice
2896 libavfilter
2897 libavformat
2898 libavutil
2899 libavutil/$arch
2900 libpostproc
2901 libswscale
2902 libswscale/$arch
2903 tests
2904 tools
2905 "
2906 FILES="
2907 Makefile
2908 common.mak
2909 subdir.mak
2910 doc/texi2pod.pl
2911 libavcodec/Makefile
2912 libavdevice/Makefile
2913 libavfilter/Makefile
2914 libavformat/Makefile
2915 libavutil/Makefile
2916 libpostproc/Makefile
2917 libswscale/Makefile
2918 "
2919 for dir in $DIRS ; do
2920 mkdir -p $dir
2921 done
2922 for f in $FILES ; do
2923 $ln_s "$source_path/$f" $f
2924 done
2925fi
2926
ad212cc6
MR
2927enabled stripping || strip="echo skipping strip"
2928
173c983b
MR
2929cat > config.mak <<EOF
2930# Automatically generated by configure - do not modify!
2931ifndef FFMPEG_CONFIG_MAK
2932FFMPEG_CONFIG_MAK=1
2933FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2934prefix=$prefix
2935LIBDIR=\$(DESTDIR)$libdir
2936SHLIBDIR=\$(DESTDIR)$shlibdir
2937INCDIR=\$(DESTDIR)$incdir
2938BINDIR=\$(DESTDIR)$bindir
2939DATADIR=\$(DESTDIR)$datadir
2940MANDIR=\$(DESTDIR)$mandir
2941SRC_PATH="$source_path"
2942SRC_PATH_BARE=$source_path
2943BUILD_ROOT="$PWD"
2944ARCH=$arch
2945CC=$cc
2946AS=$as
2947LD=$ld
2948DEPCC=$dep_cc
2949YASM=$yasmexe
2950AR=$ar
2951RANLIB=$ranlib
2952LN_S=$ln_s
2953STRIP=$strip
2954CPPFLAGS=$CPPFLAGS
2955CFLAGS=$CFLAGS
2956ASFLAGS=$ASFLAGS
2957CC_O=$CC_O
2958LDFLAGS=$LDFLAGS
2959FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2960SHFLAGS=$SHFLAGS
2961YASMFLAGS=$YASMFLAGS
2962BUILDSUF=$build_suffix
2963FULLNAME=$FULLNAME
2964LIBPREF=$LIBPREF
2965LIBSUF=$LIBSUF
2966LIBNAME=$LIBNAME
2967SLIBPREF=$SLIBPREF
2968SLIBSUF=$SLIBSUF
2969EXESUF=$EXESUF
2970EXTRA_VERSION=$extra_version
2971DEPFLAGS=$DEPFLAGS
2972CCDEP=$CCDEP
2973ASDEP=$ASDEP
2974CC_DEPFLAGS=$CC_DEPFLAGS
2975AS_DEPFLAGS=$AS_DEPFLAGS
2976HOSTCC=$host_cc
2977HOSTCFLAGS=$host_cflags
2978HOSTEXESUF=$HOSTEXESUF
2979HOSTLDFLAGS=$host_ldflags
2980HOSTLIBS=$host_libs
2981TARGET_EXEC=$target_exec
2982TARGET_PATH=$target_path
2983SDL_LIBS=$sdl_libs
2984SDL_CFLAGS=$sdl_cflags
2985LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2986EXTRALIBS=$extralibs
2987EOF
5a872801 2988
719c8e00
MR
2989get_version(){
2990 name=$1
2991 file=$source_path/$2
147e7692
MR
2992 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2993 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2994 lcname=$(tolower $name)
2995 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2996 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2997}
2998
147e7692
MR
2999get_version LIBSWSCALE libswscale/swscale.h
3000get_version LIBPOSTPROC libpostproc/postprocess.h
3001get_version LIBAVCODEC libavcodec/avcodec.h
3002get_version LIBAVDEVICE libavdevice/avdevice.h
3003get_version LIBAVFORMAT libavformat/avformat.h
3004get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3005get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3006
173c983b
MR
3007enabled shared && cat >> config.mak <<EOF
3008LIBTARGET=${LIBTARGET}
3009SLIBNAME=${SLIBNAME}
3010SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3011SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3012SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3013SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3014SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3015SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3016EOF
523ef551 3017
173c983b
MR
3018enabled asmalign_pot || align_shift="1 <<"
3019
3020cat > $TMPH <<EOF
3021/* Automatically generated by configure - do not modify! */
3022#ifndef FFMPEG_CONFIG_H
3023#define FFMPEG_CONFIG_H
3024#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3025#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3026#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3027#define CC_TYPE "$cc_type"
3028#define CC_VERSION $cc_version
3029#define restrict $_restrict
3030#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3031#define EXTERN_PREFIX "${extern_prefix}"
3032#define EXTERN_ASM ${extern_prefix}
3033EOF
523ef551 3034
4ae40685
MR
3035test -n "$malloc_prefix" &&
3036 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3037
523ef551
DB
3038if enabled small || disabled optimizations; then
3039 echo "#define av_always_inline" >> $TMPH
3040fi
3041
3d907e22
MR
3042print_config ARCH_ $TMPH config.mak $ARCH_LIST
3043print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3044print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3045 $CONFIG_EXTRA \
7483e694
DB
3046 $DECODER_LIST \
3047 $ENCODER_LIST \
5666fd73 3048 $HWACCEL_LIST \
7483e694
DB
3049 $PARSER_LIST \
3050 $BSF_LIST \
3051 $DEMUXER_LIST \
3052 $MUXER_LIST \
f7679c54 3053 $FILTER_LIST \
7483e694
DB
3054 $PROTOCOL_LIST \
3055 $INDEV_LIST \
3056 $OUTDEV_LIST \
8ac17293 3057
9c05103f 3058echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3059echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3060
b7860763 3061# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3062cp_if_changed $TMPH config.h
3d204385 3063
a3e02a8c
MR
3064cat > $TMPH <<EOF
3065/* Generated by ffconf */
3066#ifndef AVUTIL_AVCONFIG_H
3067#define AVUTIL_AVCONFIG_H
3068EOF
3069
3070print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3071
3072echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3073
3074cp_if_changed $TMPH libavutil/avconfig.h
3075
d0674868 3076# build pkg-config files
def4272a 3077
d0674868
DB
3078pkgconfig_generate(){
3079name=$1
b0dfd108 3080shortname=${name#lib}${build_suffix}
d0674868
DB
3081comment=$2
3082version=$3
3083libs=$4
3084requires=$5
25cd5cb3 3085cat <<EOF > $name/$name.pc
3e89171a 3086prefix=$prefix
a94e666c 3087exec_prefix=\${prefix}
f2b7382c 3088libdir=$libdir
7622778e 3089includedir=$incdir
def4272a 3090
d0674868
DB
3091Name: $name
3092Description: $comment
3093Version: $version
8cd6b388 3094Requires: $(enabled shared || echo $requires)
5dcfe9f8 3095Requires.private: $(enabled shared && echo $requires)
def4272a 3096Conflicts:
8cd6b388 3097Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3098Libs.private: $(enabled shared && echo $libs)
76a448ed 3099Cflags: -I\${includedir}
def4272a 3100EOF
25cd5cb3 3101cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3102prefix=
3103exec_prefix=
46d1ff83 3104libdir=\${pcfiledir}
1d44d365 3105includedir=${source_path}
def4272a 3106
d0674868
DB
3107Name: $name
3108Description: $comment
3109Version: $version
3110Requires: $requires
def4272a 3111Conflicts:
12701f6e 3112Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3113Cflags: -I\${includedir}
3114EOF
d0674868 3115}
def4272a 3116
e426941d 3117pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3118pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3119pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3120pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3121enabled avfilter &&
46983309 3122 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3123enabled postproc &&
e426941d 3124 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3125pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"