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[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
cde2d79a
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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
c8e9f801
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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
44161118
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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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MR
306filter(){
307 pat=$1
308 shift
309 for v; do
98ef6079 310 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
311 done
312}
313
a8d04fba
MR
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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MR
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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MR
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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MR
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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MR
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
f9d328da
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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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DB
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 = $value ] && return 0
446 done
447 return 1
448}
449
30fd06be
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450check_deps(){
451 for cfg; do
3250003c 452 cfg="${cfg#!}"
799c9e9b
MR
453 enabled ${cfg}_checking && die "Circular dependency for $cfg."
454 disabled ${cfg}_checking && continue
455 enable ${cfg}_checking
456
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457 eval dep_all="\$${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
MR
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" >> $header
3d907e22
MR
494 echo "${pfx}${ucname}=yes" >> $makefile
495 else
b250f9c6 496 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 497 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
MR
498 fi
499 done
57bd82d4
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500}
501
502flags_saved(){
2270b4b2 503 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
504}
505
dcd479c0 506save_flags(){
57bd82d4 507 flags_saved && return
dcd479c0
MR
508 SAVE_CFLAGS="$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
57bd82d4
MR
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 "$@")
2f2e6c7c
MR
555}
556
57bd82d4
MR
557add_ldflags(){
558 append LDFLAGS "$@"
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 $TMPC
dcd479c0
MR
582}
583
f65883c8
MR
584check_as(){
585 log check_as "$@"
586 cat > $TMPC
587 log_file $TMPC
2f2e6c7c 588 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
589}
590
940f335a
MR
591check_asm(){
592 log check_asm "$@"
593 name="$1"
3784e82e 594 code="$2"
940f335a 595 shift 2
49214f61
MR
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){ $func(); }
dcd479c0
MR
668EOF
669}
670
2446d3d6
DB
671check_func_headers(){
672 log check_func_headers "$@"
f8d7b072
MR
673 headers=$1
674 func=$2
675 shift 2
676 disable $func
677 incs=""
678 for hdr in $headers; do
679 incs="$incs
680#include <$hdr>"
681 done
cd0d9a9d 682 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 683$incs
d6773f56 684int main(int argc, char **argv){
2b2c2a81 685 return (long) $func;
f8d7b072
MR
686}
687EOF
688}
689
a5344cf7
SS
690check_cpp_condition(){
691 log check_cpp_condition "$@"
692 header=$1
693 condition=$2
f855b7b9
MR
694 shift 2
695 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
696#include <$header>
697#if !($condition)
698#error "unsatisfied condition: $condition"
699#endif
700EOF
701}
702
57bd82d4
MR
703check_lib(){
704 log check_lib "$@"
705 header="$1"
706 func="$2"
707 shift 2
fcfcde17
MR
708 temp_extralibs "$@"
709 check_header $header && check_func $func && add_extralibs "$@"
710 err=$?
711 restore_flags
712 return $err
57bd82d4
MR
713}
714
f8d7b072
MR
715check_lib2(){
716 log check_lib2 "$@"
717 headers="$1"
718 func="$2"
719 shift 2
300cde27 720 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
721}
722
dcd479c0 723check_exec(){
2270b4b2 724 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
725}
726
7dfef245 727check_exec_crash(){
5e622c40 728 code=$(cat)
7dfef245
MR
729
730 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
731 # are safe but may not be available everywhere. Thus we use
732 # raise(SIGTERM) instead. The check is run in a subshell so we
733 # can redirect the "Terminated" message from the shell. SIGBUS
734 # is not defined by standard C so it is used conditionally.
735
2270b4b2 736 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
737#include <signal.h>
738static void sighandler(int sig){
739 raise(SIGTERM);
740}
e5af4a11 741int main(void){
7dfef245
MR
742 signal(SIGILL, sighandler);
743 signal(SIGFPE, sighandler);
744 signal(SIGSEGV, sighandler);
745#ifdef SIGBUS
746 signal(SIGBUS, sighandler);
747#endif
748 { $code }
749}
750EOF
751}
752
72be9e73
DY
753check_type(){
754 log check_type "$@"
755 headers=$1
756 type=$2
757 shift 2
ae550ce9 758 disable_safe "$type"
72be9e73
DY
759 incs=""
760 for hdr in $headers; do
761 incs="$incs
762#include <$hdr>"
763 done
ae550ce9 764 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
765$incs
766$type v;
767EOF
768}
769
14d36751
MR
770check_struct(){
771 log check_type "$@"
772 headers=$1
773 struct=$2
774 member=$3
775 shift 3
776 disable_safe "${struct}_${member}"
777 incs=""
778 for hdr in $headers; do
779 incs="$incs
780#include <$hdr>"
781 done
782 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
783$incs
784const void *p = &(($struct *)0)->$member;
785EOF
786}
787
57bd82d4
MR
788require(){
789 name="$1"
790 header="$2"
791 func="$3"
792 shift 3
793 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
794}
795
f8d7b072
MR
796require2(){
797 name="$1"
798 headers="$2"
799 func="$3"
800 shift 3
801 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
802}
803
eea50282
MR
804check_foo_config(){
805 cfg=$1
806 pkg=$2
807 header=$3
808 func=$4
809 shift 4
810 disable $cfg
811 check_cmd ${pkg}-config --version
812 err=$?
813 if test "$err" = 0; then
5e622c40
DB
814 temp_cflags $(${pkg}-config --cflags)
815 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
816 check_lib "$@" $header $func && enable $cfg
817 fi
818 return $err
819}
820
f0125de9
MR
821check_host_cc(){
822 log check_host_cc "$@"
823 cat > $TMPC
824 log_file $TMPC
825 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
826}
827
828check_host_cflags(){
829 log check_host_cflags "$@"
830 check_host_cc "$@" <<EOF && append host_cflags "$@"
831int x;
832EOF
833}
834
c505dd31
MR
835apply(){
836 file=$1
837 shift
838 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
839}
840
c34681df
MR
841cp_if_changed(){
842 cmp -s "$1" "$2" &&
843 echo "$2 is unchanged" ||
844 cp -f "$1" "$2"
845}
846
dcd61286
DB
847# CONFIG_LIST contains configurable options, while HAVE_LIST is for
848# system-dependent things.
849
4a0d6686
AJ
850COMPONENT_LIST="
851 bsfs
852 decoders
853 demuxers
854 encoders
3cde40aa 855 filters
5666fd73 856 hwaccels
c552605c 857 indevs
4a0d6686 858 muxers
c552605c 859 outdevs
4a0d6686
AJ
860 parsers
861 protocols
862"
863
864CONFIG_LIST="
865 $COMPONENT_LIST
e8ed9b7a 866 aandct
5a0f7131
MR
867 avcodec
868 avdevice
f7679c54
VS
869 avfilter
870 avfilter_lavf
5a0f7131 871 avformat
c88f5d72
MR
872 avisynth
873 beos_netserver
f402916e 874 bzlib
7f3f5f46 875 dct
c73f65d9 876 doc
92c6a099 877 dxva2
27a9466b 878 fastdiv
c88f5d72
MR
879 ffmpeg
880 ffplay
881 ffserver
1848f7d9 882 fft
4f034993 883 golomb
c88f5d72 884 gpl
ecfc4f44 885 gprof
d8d0d0b2 886 gray
3abe5fbd 887 hardcoded_tables
f7b8bffe 888 libdc1394
690bfceb 889 libdirac
2eed5a46
DB
890 libfaac
891 libfaad
892 libfaadbin
c88f5d72 893 libgsm
6ebe07fb 894 libmp3lame
c88f5d72 895 libnut
0b175caa
DB
896 libopencore_amrnb
897 libopencore_amrwb
9a77d59a 898 libopenjpeg
f7cd9eed 899 libschroedinger
ae14f311 900 libspeex
150d2772 901 libtheora
c88f5d72 902 libvorbis
1cc60c47
DB
903 libx264
904 libxvid
f4d608e3 905 lpc
47a158cb 906 mdct
c88f5d72 907 memalign_hack
a8150374 908 mlib
c88f5d72
MR
909 mpegaudio_hp
910 network
3fe142e2 911 nonfree
8a3c8627 912 pic
4a24ab64 913 postproc
2b4c3615 914 powerpc_perf
68602540 915 rdft
e90f5b5a 916 runtime_cpudetect
2e35e684 917 shared
bd2216e4 918 small
6b35d421 919 sram
2e35e684 920 static
5a0f7131 921 swscale
a9ddb5b1 922 swscale_alpha
17492d5e
DB
923 vaapi
924 vdpau
9cad0e4e 925 version3
56a059ac 926 x11grab
c88f5d72 927 zlib
4a0d6686 928"
c88f5d72 929
8eee7025
DB
930THREADS_LIST='
931 beosthreads
d22e8442 932 os2threads
8eee7025
DB
933 pthreads
934 w32threads
935'
936
3f5b56e5
MR
937ARCH_LIST='
938 alpha
a2fc0f6a 939 arm
fdcd782d
MR
940 avr32
941 avr32_ap
942 avr32_uc
3f5b56e5
MR
943 bfin
944 ia64
945 m68k
946 mips
bae3abb0 947 mips64
3f5b56e5 948 parisc
79cb09b2 949 ppc
34d11b87 950 ppc64
3f5b56e5
MR
951 s390
952 sh4
953 sparc
954 sparc64
955 x86
956 x86_32
957 x86_64
958'
959
960ARCH_EXT_LIST='
1ac9331a 961 altivec
3bf96eec 962 amd3dnow
a1ef9f08 963 amd3dnowext
1ac9331a 964 armv5te
edab3048 965 armv6
ab5cb084 966 armv6t2
f55b299a 967 armvfp
3f5b56e5
MR
968 iwmmxt
969 mmi
970 mmx
d7f0920b 971 mmx2
6b18d278 972 neon
799fde37 973 ppc4xx
1bb04d5a 974 sse
9eeed841 975 ssse3
bd9d34a0 976 vis
3f5b56e5
MR
977'
978
a3e02a8c
MR
979HAVE_LIST_PUB='
980 bigendian
981'
982
3f5b56e5
MR
983HAVE_LIST="
984 $ARCH_EXT_LIST
a3e02a8c 985 $HAVE_LIST_PUB
3f5b56e5 986 $THREADS_LIST
35fd8122 987 alsa_asoundlib_h
3f5b56e5 988 altivec_h
c9fdab0d 989 arpa_inet_h
dffb41b9 990 attribute_may_alias
e7ea5e3d 991 attribute_packed
6bd859d6 992 bswap
ecf97f22 993 closesocket
1ac9331a 994 cmov
e16e49ac 995 conio_h
c88f5d72 996 dcbzl
f8aa696f
DB
997 dev_bktr_ioctl_bt848_h
998 dev_bktr_ioctl_meteor_h
999 dev_ic_bt8xx_h
1000 dev_video_meteor_ioctl_meteor_h
1001 dev_video_bktr_ioctl_bt848_h
18b67ae5 1002 dlfcn_h
c88f5d72 1003 dlopen
bc574408 1004 dos_paths
245626d0
DB
1005 ebp_available
1006 ebx_available
6b7c7703
VS
1007 exp2
1008 exp2f
c2a29455 1009 fast_64bit
669b5583 1010 fast_clz
7073e9fc 1011 fast_cmov
7b829d2a 1012 fast_unaligned
9d99cc5a 1013 fork
84882df6 1014 getaddrinfo
da9e86f8 1015 gethrtime
4e68cb8a 1016 GetProcessTimes
66be5b45 1017 getrusage
2e1913b1 1018 inet_aton
61d251db 1019 inline_asm
abfc8d05 1020 isatty
9f5ff83f 1021 ldbrx
0b4a1821
AS
1022 libdc1394_1
1023 libdc1394_2
a33cab3a 1024 llrint
291fd18a 1025 log2
6b7c7703 1026 log2f
85dd97ad 1027 loongson
a33cab3a 1028 lrint
c88f5d72 1029 lrintf
e4673692 1030 lzo1x_999_compress
f8aa696f
DB
1031 machine_ioctl_bt848_h
1032 machine_ioctl_meteor_h
c88f5d72
MR
1033 malloc_h
1034 memalign
6ffa87d3 1035 mkstemp
b4e806b2 1036 pld
1f91cdce 1037 posix_memalign
a33cab3a
MK
1038 round
1039 roundf
c88f5d72
MR
1040 sdl
1041 sdl_video_size
b507ebd1 1042 setmode
72be9e73 1043 socklen_t
deb29777 1044 soundcard_h
f8cda19e 1045 poll_h
0104b608 1046 setrlimit
c0018613 1047 struct_addrinfo
b4d68544
MS
1048 struct_ipv6_mreq
1049 struct_sockaddr_in6
3b2372bf 1050 struct_sockaddr_sa_len
33a4dbdd 1051 struct_sockaddr_storage
b58412f1 1052 sys_mman_h
b091aa44 1053 sys_resource_h
81644c2e 1054 sys_select_h
deb29777 1055 sys_soundcard_h
1b6e8b73 1056 sys_videoio_h
d3a4b4e0 1057 ten_operands
e16e49ac 1058 termios_h
b265431e 1059 threads
7b04b8a0 1060 truncf
ce742de2 1061 vfp_args
7c5bfe7a 1062 VirtualAlloc
6ff3f3e7 1063 winsock2_h
cc078b5d 1064 xform_asm
304d586d 1065 yasm
0cb78cef 1066"
44161118 1067
b6bb00b0
MR
1068# options emitted with CONFIG_ prefix but not available on command line
1069CONFIG_EXTRA="
dc4f5a1c 1070 avutil
9cad0e4e
DB
1071 gplv3
1072 lgplv3
b6bb00b0
MR
1073"
1074
520cc7f1 1075CMDLINE_SELECT="
3f5b56e5 1076 $ARCH_EXT_LIST
520cc7f1 1077 $CONFIG_LIST
8eee7025 1078 $THREADS_LIST
c8a4ae00 1079 asm
db6107b6 1080 cross_compile
520cc7f1
MR
1081 debug
1082 extra_warnings
8c6afa4d 1083 logging
d2bbb2f7 1084 optimizations
87a0fb62 1085 stripping
7595a5e4 1086 yasm
520cc7f1 1087"
426be5dc
DB
1088
1089PATHS_LIST='
d156bede 1090 bindir
14a8acf1 1091 datadir
26759c44
MR
1092 incdir
1093 libdir
26759c44
MR
1094 mandir
1095 prefix
1096 shlibdir
426be5dc
DB
1097'
1098
1099CMDLINE_SET="
1100 $PATHS_LIST
1101 arch
313c46a6 1102 as
426be5dc
DB
1103 build_suffix
1104 cc
1105 cpu
1106 cross_prefix
50567afa 1107 dep_cc
ac63af34 1108 extra_version
9da6609f
MR
1109 host_cc
1110 host_cflags
1111 host_ldflags
1112 host_libs
82bb3329 1113 host_os
684b28e0 1114 ld
426be5dc 1115 logfile
4ae40685 1116 malloc_prefix
89641463 1117 nm
26759c44 1118 source_path
c5200f17
MR
1119 sysinclude
1120 sysroot
a7ada2ba 1121 target_exec
26759c44 1122 target_os
a7ada2ba 1123 target_path
426be5dc 1124"
520cc7f1 1125
89f2932b
MR
1126CMDLINE_APPEND="
1127 extra_cflags
1128"
1129
912f3148
DB
1130# code dependency declarations
1131
9eeed841 1132# architecture extensions
808fa33c 1133
a2fc0f6a
MR
1134armv5te_deps="arm"
1135armv6_deps="arm"
ab5cb084 1136armv6t2_deps="arm"
a2fc0f6a
MR
1137armvfp_deps="arm"
1138iwmmxt_deps="arm"
808fa33c
MR
1139neon_deps="arm"
1140
e241ba14 1141mmi_deps="mips"
808fa33c
MR
1142
1143altivec_deps="ppc"
1144ppc4xx_deps="ppc"
1145
1146vis_deps="sparc"
1147
7f8c3d1f 1148x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1149amd3dnow_deps="mmx"
1150amd3dnowext_deps="amd3dnow"
9eeed841 1151mmx_deps="x86"
75aa95a6 1152mmx2_deps="mmx"
75aa95a6
DB
1153sse_deps="mmx"
1154ssse3_deps="sse"
9eeed841 1155
e939cedd 1156fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1157fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1158fast_unaligned_if_any="armv6 ppc x86"
669b5583 1159
89e053f8 1160need_memalign="altivec neon sse"
6fec122a 1161inline_asm_deps="!tms470"
89e053f8 1162
5666fd73 1163# decoders / encoders / hardware accelerators
f1e94694 1164aac_decoder_select="fft mdct aac_parser"
84c04e25 1165aac_encoder_select="fft mdct"
5b423887 1166ac3_decoder_select="fft mdct ac3_parser"
f4d608e3 1167alac_encoder_select="lpc"
47a158cb 1168atrac3_decoder_select="fft mdct"
c0d3f516
PR
1169binkaudio_dct_decoder_select="fft mdct rdft dct"
1170binkaudio_rdft_decoder_select="fft mdct rdft"
4f034993 1171cavs_decoder_select="golomb"
47a158cb 1172cook_decoder_select="fft mdct"
2eef7c62 1173cscd_decoder_suggest="zlib"
47a158cb 1174dca_decoder_select="fft mdct"
e8ed9b7a 1175dnxhd_encoder_select="aandct"
2eef7c62 1176dxa_decoder_select="zlib"
baf91bb9 1177eac3_decoder_select="ac3_decoder"
84c04e25 1178eamad_decoder_select="aandct"
e8ed9b7a 1179eatgq_decoder_select="aandct"
d52b39c7 1180eatqi_decoder_select="aandct"
4f034993
MR
1181ffv1_decoder_select="golomb"
1182flac_decoder_select="golomb"
f4d608e3 1183flac_encoder_select="golomb lpc"
2eef7c62
AJ
1184flashsv_decoder_select="zlib"
1185flashsv_encoder_select="zlib"
4414137e 1186flv_decoder_select="h263_decoder"
4d4b4bd1 1187flv_encoder_select="h263_encoder"
e8ed9b7a 1188h261_encoder_select="aandct"
7f647ae0 1189h263_decoder_select="h263_parser"
e8ed9b7a 1190h263_encoder_select="aandct"
ff418735 1191h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1192h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1193h263i_decoder_select="h263_decoder"
fe629c2d 1194h263p_encoder_select="h263_encoder"
4f034993 1195h264_decoder_select="golomb"
92c6a099
LA
1196h264_dxva2_hwaccel_deps="dxva2api_h"
1197h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1198h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1199h264_vaapi_hwaccel_select="vaapi"
711dae77 1200h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1201h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1202imc_decoder_select="fft mdct"
4f034993
MR
1203jpegls_decoder_select="golomb"
1204jpegls_encoder_select="golomb"
e8ed9b7a 1205ljpeg_encoder_select="aandct"
4f034993 1206loco_decoder_select="golomb"
e8ed9b7a 1207mjpeg_encoder_select="aandct"
2cca233b 1208mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1209mpeg1video_encoder_select="aandct"
1210mpeg2video_encoder_select="aandct"
4414137e 1211mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1212mpeg4_encoder_select="h263_encoder"
711dae77 1213mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1214mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1215mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1216mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1217mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1218mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1219mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1220mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1221mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1222mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1223mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1224mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1225msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1226msmpeg4v1_encoder_select="h263_encoder"
4414137e 1227msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1228msmpeg4v2_encoder_select="h263_encoder"
4414137e 1229msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1230msmpeg4v3_encoder_select="h263_encoder"
47a158cb
MR
1231nellymoser_decoder_select="fft mdct"
1232nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1233png_decoder_select="zlib"
1234png_encoder_select="zlib"
63cae55d 1235qdm2_decoder_select="fft mdct rdft"
a8beb22f 1236rv10_decoder_select="h263_decoder"
b2bf38b4 1237rv10_encoder_select="h263_encoder"
a8beb22f 1238rv20_decoder_select="h263_decoder"
b2bf38b4 1239rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1240rv30_decoder_select="golomb"
1241rv40_decoder_select="golomb"
4f034993
MR
1242shorten_decoder_select="golomb"
1243sonic_decoder_select="golomb"
1244sonic_encoder_select="golomb"
1245sonic_ls_encoder_select="golomb"
1246svq3_decoder_select="golomb"
bee2eac5 1247svq3_decoder_suggest="zlib"
4eef77c1 1248theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1249tiff_decoder_suggest="zlib"
1250tiff_encoder_suggest="zlib"
aec09a00 1251truehd_decoder_select="mlp_decoder"
2eef7c62 1252tscc_decoder_select="zlib"
f95bfab0 1253vc1_decoder_select="h263_decoder"
9104cd51 1254vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1255vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1256vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1257vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1258vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1259vc1_vdpau_decoder_select="vdpau vc1_decoder"
47a158cb
MR
1260vorbis_decoder_select="fft mdct"
1261vorbis_encoder_select="fft mdct"
e82dc4c9
DB
1262vp6a_decoder_select="vp6_decoder"
1263vp6f_decoder_select="vp6_decoder"
47a158cb
MR
1264wmav1_decoder_select="fft mdct"
1265wmav1_encoder_select="fft mdct"
1266wmav2_decoder_select="fft mdct"
1267wmav2_encoder_select="fft mdct"
f95bfab0 1268wmv1_decoder_select="h263_decoder"
665507aa 1269wmv1_encoder_select="h263_encoder"
f95bfab0 1270wmv2_decoder_select="h263_decoder"
1746e2a9 1271wmv2_encoder_select="h263_encoder"
015f8ee0 1272wmv3_decoder_select="vc1_decoder"
f0f86627 1273wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1274wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1275wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1276zlib_decoder_select="zlib"
1277zlib_encoder_select="zlib"
1278zmbv_decoder_select="zlib"
1279zmbv_encoder_select="zlib"
30fd06be 1280
28b80940
DB
1281# parsers
1282h264_parser_select="golomb"
1283
f1e94694
DB
1284# bitstream_filters
1285aac_adtstoasc_bsf_select="aac_parser"
1286
912f3148 1287# external libraries
1b71f045 1288libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1289libdirac_encoder_deps="libdirac"
c9171a83 1290libfaac_encoder_deps="libfaac"
69ddbd1d 1291libfaad_decoder_deps="libfaad"
4ec45764 1292libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1293libgsm_decoder_deps="libgsm"
1294libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1295libgsm_ms_decoder_deps="libgsm"
1296libgsm_ms_encoder_deps="libgsm"
1cc60c47 1297libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1298libopencore_amrnb_decoder_deps="libopencore_amrnb"
1299libopencore_amrnb_encoder_deps="libopencore_amrnb"
1300libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1301libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1302libschroedinger_decoder_deps="libschroedinger"
1303libschroedinger_encoder_deps="libschroedinger"
ae14f311 1304libspeex_decoder_deps="libspeex"
150d2772 1305libtheora_encoder_deps="libtheora"
b0caf888 1306libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1307libx264_encoder_deps="libx264"
1308libxvid_encoder_deps="libxvid"
30fd06be 1309
912f3148 1310# demuxers / muxers
03a76ba9 1311ac3_demuxer_deps="ac3_parser"
647c2356 1312asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1313avisynth_demuxer_deps="avisynth"
1314dirac_demuxer_deps="dirac_parser"
5b423887 1315eac3_demuxer_select="ac3_parser"
647c2356 1316ipod_muxer_select="mov_muxer"
4e622dea
SS
1317libnut_demuxer_deps="libnut"
1318libnut_muxer_deps="libnut"
647c2356 1319matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1320matroska_demuxer_suggest="zlib bzlib"
1321mov_demuxer_suggest="zlib"
1322mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1323mp4_muxer_select="mov_muxer"
1324mpegtsraw_demuxer_select="mpegts_demuxer"
1325mxf_d10_muxer_select="mxf_muxer"
24ca518b 1326ogg_demuxer_select="golomb"
647c2356 1327psp_muxer_select="mov_muxer"
4e622dea
SS
1328rtsp_demuxer_deps="sdp_demuxer"
1329sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
f1e94694 1330spdif_muxer_select="aac_parser"
647c2356
DB
1331tg2_muxer_select="mov_muxer"
1332tgp_muxer_select="mov_muxer"
6bdaa5f4 1333w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1334
1335# indevs / outdevs
38e54a75
SS
1336alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1337alsa_indev_extralibs="-lasound"
1338alsa_outdev_deps="alsa_asoundlib_h"
1339alsa_outdev_extralibs="-lasound"
1340audio_beos_indev_deps="audio_beos"
1341audio_beos_indev_extralibs="-lmedia -lbe"
1342audio_beos_outdev_deps="audio_beos"
1343audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1344bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1345dv1394_indev_deps="dv1394 dv_demuxer"
1346jack_indev_deps="jack_jack_h"
1347jack_indev_extralibs="-ljack"
1348libdc1394_indev_deps="libdc1394"
38e54a75
SS
1349oss_indev_deps_any="soundcard_h sys_soundcard_h"
1350oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1351v4l_indev_deps="linux_videodev_h"
1352v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1353vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1354vfwcap_indev_extralibs="-lavicap32"
38e54a75 1355x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1356x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1357
912f3148 1358# protocols
3fff6382 1359gopher_protocol_deps="network"
c08fb000 1360http_protocol_deps="network"
cbf29889 1361rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1362rtp_protocol_deps="udp_protocol"
1363tcp_protocol_deps="network"
1364udp_protocol_deps="network"
1365
f7679c54 1366# filters
81124ba0 1367movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1368avfilter_lavf_deps="avformat"
1369
1370# libraries
1371avdevice_deps="avcodec avformat"
1372avformat_deps="avcodec"
f7679c54 1373
912f3148 1374# programs
5a0f7131
MR
1375ffmpeg_deps="avcodec avformat swscale"
1376ffplay_deps="avcodec avformat swscale sdl"
1377ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1378ffserver_extralibs='$ldl'
a2830dca 1379
c73f65d9 1380doc_deps="texi2html"
912f3148 1381
de6d9b64 1382# default parameters
8a608357 1383
2ba042a7 1384logfile="config.err"
8a608357
MR
1385
1386# installation paths
c9d19248
MR
1387prefix_default="/usr/local"
1388bindir_default='${prefix}/bin'
14a8acf1 1389datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1390incdir_default='${prefix}/include'
1391libdir_default='${prefix}/lib'
1392mandir_default='${prefix}/share/man'
1393shlibdir_default="$libdir_default"
8a608357
MR
1394
1395# toolchain
11e6d03a 1396ar="ar"
13c7df3d 1397cc_default="gcc"
a3d7c197 1398cc_version=\"unknown\"
9da6609f 1399host_cc_default="gcc"
11e6d03a 1400ln_s="ln -sf"
89641463 1401nm_default="nm"
11e6d03a 1402objformat="elf"
be7109c1 1403ranlib="ranlib"
0f3cb305 1404strip="strip"
11e6d03a 1405yasmexe="yasm"
8a608357 1406
8182dc34
MR
1407nm_opts='-g'
1408
8a608357 1409# machine
5e622c40 1410arch=$(uname -m)
38d0a8aa 1411cpu="generic"
8a608357 1412
8a608357 1413# OS
4f854758 1414target_os=$(tolower $(uname -s))
82bb3329 1415host_os=$target_os
8a608357 1416
8a608357 1417# configurable options
5a0f7131
MR
1418enable avcodec
1419enable avdevice
1420enable avformat
dc4f5a1c 1421enable avutil
c8a4ae00 1422enable asm
497237c7 1423enable debug
c73f65d9 1424enable doc
aa033b1e 1425enable fastdiv
497237c7
RP
1426enable ffmpeg
1427enable ffplay
1428enable ffserver
497237c7
RP
1429enable mpegaudio_hp
1430enable network
8400d6b8 1431enable optimizations
497237c7 1432enable protocols
530dc538 1433enable static
87a0fb62 1434enable stripping
5a0f7131 1435enable swscale
a9ddb5b1 1436enable swscale_alpha
8a608357 1437
8a608357 1438# build settings
9987769a 1439SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1440FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1441LIBPREF="lib"
1442LIBSUF=".a"
c5f14466
RP
1443FULLNAME='$(NAME)$(BUILDSUF)'
1444LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1445SLIBPREF="lib"
1446SLIBSUF=".so"
c5f14466 1447SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1448SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1449SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1450LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1451
7e6c86e6
MR
1452CC_O='-o $@'
1453
f0125de9 1454host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1455host_libs='-lm'
1456
9b861379 1457target_path='$(CURDIR)'
a7ada2ba 1458
0d7dca36
DB
1459# gcc stupidly only outputs the basename of targets with -MM, but we need the
1460# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1461DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1462DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1463
c597172e 1464# find source path
5e622c40 1465source_path="$(dirname "$0")"
497237c7 1466enable source_path_used
24524f36 1467if test -f configure; then
5e622c40 1468 source_path="$(pwd)"
497237c7 1469 disable source_path_used
c597172e 1470else
5e622c40 1471 source_path="$(cd "$source_path"; pwd)"
c597172e 1472 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1473 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1474 test -e "$source_path/config.h" &&
1475 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1476fi
1477
13cbe2c0 1478for v in "$@"; do
b04251c5
MR
1479 r=${v#*=}
1480 l=${v%"$r"}
1481 r=$(sh_quote "$r")
13cbe2c0
MR
1482 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1483done
c597172e 1484
73ef8980
MR
1485find_things(){
1486 thing=$1
1487 pattern=$2
1488 file=$source_path/$3
932ccf39 1489 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1490}
1491
1492ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1493DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1494HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1495PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1496BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1497MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1498DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1499OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1500INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1501PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1502FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1503
7483e694
DB
1504enable $ARCH_EXT_LIST \
1505 $DECODER_LIST \
1506 $ENCODER_LIST \
5666fd73 1507 $HWACCEL_LIST \
7483e694
DB
1508 $PARSER_LIST \
1509 $BSF_LIST \
1510 $DEMUXER_LIST \
1511 $MUXER_LIST \
f7679c54 1512 $FILTER_LIST \
7483e694
DB
1513 $PROTOCOL_LIST \
1514 $INDEV_LIST \
1515 $OUTDEV_LIST \
c597172e
MR
1516
1517die_unknown(){
1518 echo "Unknown option \"$1\"."
1519 echo "See $0 --help for available options."
1520 exit 1
1521}
1522
794f8e97 1523show_list() {
bf0c4afa
RP
1524 suffix=_$1
1525 shift
2b444ea7 1526 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1527 exit 0
1528}
1529
c597172e 1530for opt do
7483e694
DB
1531 optval="${opt#*=}"
1532 case "$opt" in
0f010b2f 1533 --extra-ldflags=*) add_ldflags $optval
7483e694 1534 ;;
0f010b2f 1535 --extra-libs=*) add_extralibs $optval
7483e694 1536 ;;
8fb1cb58 1537 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1538 ;;
40bcf4c7
BL
1539 --enable-debug=*) debuglevel="$optval"
1540 ;;
7483e694 1541 --enable-*=*|--disable-*=*)
8b93ddc3 1542 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1543 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1544 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1545 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1546 $action $(filter "$name" $list)
7483e694
DB
1547 ;;
1548 --enable-?*|--disable-?*)
5e622c40 1549 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1550 if is_in $option $COMPONENT_LIST; then
fed5d54b 1551 test $action = disable && action=unset
e3773a55
MR
1552 eval $action \$$(toupper ${option%s})_LIST
1553 elif is_in $option $CMDLINE_SELECT; then
1554 $action $option
1555 else
1556 die_unknown $opt
1557 fi
7483e694
DB
1558 ;;
1559 --list-*)
1560 NAME="${opt#--list-}"
1561 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1562 NAME=${NAME%s}
1563 eval show_list $NAME \$$(toupper $NAME)_LIST
1564 ;;
1565 --help|-h) show_help
1566 ;;
1567 *)
884a36a7 1568 optname="${opt%%=*}"
26759c44
MR
1569 optname="${optname#--}"
1570 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1571 if is_in $optname $CMDLINE_SET; then
1572 eval $optname='$optval'
1573 elif is_in $optname $CMDLINE_APPEND; then
1574 append $optname "$optval"
1575 else
1576 die_unknown $opt
1577 fi
7483e694
DB
1578 ;;
1579 esac
c597172e
MR
1580done
1581
bcea99bb
MR
1582disabled logging && logfile=/dev/null
1583
13cbe2c0 1584echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1585set >> $logfile
1586
9da6609f
MR
1587test -n "$cross_prefix" && enable cross_compile
1588
adb2b908 1589ar="${cross_prefix}${ar}"
11e6d03a 1590cc_default="${cross_prefix}${cc_default}"
20e0ed95 1591nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1592ranlib="${cross_prefix}${ranlib}"
1593strip="${cross_prefix}${strip}"
1594
c5200f17
MR
1595sysinclude_default="${sysroot}/usr/include"
1596
75800dce 1597set_default cc nm sysinclude
9da6609f
MR
1598enabled cross_compile || host_cc_default=$cc
1599set_default host_cc
13c7df3d 1600
82bb3329
MR
1601exesuf() {
1602 case $1 in
1603 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1604 esac
1605}
1606
1607EXESUF=$(exesuf $target_os)
1608HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1609
e4e69e0b 1610# set temporary file name
a49d42c2 1611: ${TMPDIR:=$TEMPDIR}
c51fafa1 1612: ${TMPDIR:=$TMP}
a49d42c2 1613: ${TMPDIR:=/tmp}
e4e69e0b 1614
54460a83
MR
1615if ! check_cmd type mktemp; then
1616 # simple replacement for missing mktemp
1617 # NOT SAFE FOR GENERAL USE
1618 mktemp(){
1619 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1620 }
1621fi
1622
1623tmpfile(){
1624 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1625 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1626 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1627 append TMPFILES $tmp
1628 eval $1=$tmp
1629}
1630
1631trap 'rm -f -- $TMPFILES' EXIT
1632trap exit HUP INT TERM
1633
1634tmpfile TMPC .c
1635tmpfile TMPE $EXESUF
1636tmpfile TMPH .h
1637tmpfile TMPO .o
1638tmpfile TMPS .S
a482e61b 1639tmpfile TMPV .ver
54460a83
MR
1640tmpfile TMPSH .sh
1641
1642unset -f mktemp
e4e69e0b 1643
993f2d0f
MR
1644# make sure we can execute files in $TMPDIR
1645cat > $TMPSH 2>> $logfile <<EOF
1646#! /bin/sh
1647EOF
1648chmod +x $TMPSH >> $logfile 2>&1
1649if ! $TMPSH >> $logfile 2>&1; then
1650 cat <<EOF
1651Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1652variable to another directory and make sure that it is not mounted noexec.
1653EOF
1654 die "Sanity test failed."
1655fi
993f2d0f 1656
19b4c628
MR
1657filter_cflags=echo
1658filter_cppflags=echo
1659filter_asflags=echo
1660
8f0c157a 1661if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1662 cc_type=gcc
a3d7c197 1663 cc_version=__VERSION__
aef6bd1b
MR
1664 if ! $cc -dumpversion | grep -q '^2\.'; then
1665 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1666 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1667 fi
14ca9cd0
MR
1668 speed_cflags='-O3'
1669 size_cflags='-Os'
629687f6
MR
1670elif $cc --version 2>/dev/null | grep -q Intel; then
1671 cc_type=icc
6e3fa35d 1672 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1673 CC_DEPFLAGS='-MMD'
1674 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1675 speed_cflags='-O3'
1676 size_cflags='-Os'
629687f6
MR
1677elif $cc -v 2>&1 | grep -q xlc; then
1678 cc_type=xlc
6e3fa35d 1679 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1680 speed_cflags='-O5'
1681 size_cflags='-O5 -qcompact'
df442a8d
MR
1682elif $cc -V 2>/dev/null | grep -q Compaq; then
1683 cc_type=ccc
6e3fa35d 1684 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1685 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1686 debuglevel=3
df442a8d 1687 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1688 speed_cflags='-fast'
1689 size_cflags='-O1'
6a0d5493 1690elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1691 test -d "$sysroot" || die "No valid sysroot specified."
1692 cc_type=armcc
6e3fa35d 1693 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1694 armcc_conf="$PWD/armcc.conf"
1695 $cc --arm_linux_configure \
1696 --arm_linux_config_file="$armcc_conf" \
1697 --configure_sysroot="$sysroot" \
1698 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1699 die "Error creating armcc configuration file."
1700 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1701 as_default="${cross_prefix}gcc"
07dec06e
MR
1702 CC_DEPFLAGS='-MMD'
1703 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1704 speed_cflags='-O3'
1705 size_cflags='-Os'
6fec122a
MR
1706elif $cc -version 2>/dev/null | grep -q TMS470; then
1707 cc_type=tms470
6e3fa35d 1708 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1709 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1710 CC_O='-fr=$(@D)'
1711 as_default="${cross_prefix}gcc"
1712 ld_default="${cross_prefix}gcc"
6fec122a
MR
1713 TMPO=$(basename $TMPC .c).o
1714 append TMPFILES $TMPO
1715 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1716 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1717 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1718 speed_cflags='-O3 -mf=5'
1719 size_cflags='-O3 -mf=2'
6fec122a
MR
1720 filter_cflags=tms470_flags
1721 tms470_flags(){
1722 for flag; do
1723 case $flag in
1724 -march=*|-mcpu=*)
1725 case "${flag#*=}" in
1726 armv7-a|cortex-a*) echo -mv=7a8 ;;
1727 armv7-r|cortex-r*) echo -mv=7r4 ;;
1728 armv7-m|cortex-m*) echo -mv=7m3 ;;
1729 armv6*|arm11*) echo -mv=6 ;;
1730 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1731 echo -mv=5e ;;
1732 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1733 esac
1734 ;;
1735 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1736 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1737 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1738 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1739 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1740 -g) echo -g -mn ;;
587d24ff 1741 -pds=*) echo $flag ;;
6fec122a
MR
1742 esac
1743 done
1744 }
06da6943
DC
1745elif $cc -v 2>&1 | grep -q clang; then
1746 cc_type=clang
1747 cc_version=__VERSION__
1748 CC_DEPFLAGS='-MMD'
1749 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1750 speed_cflags='-O3'
1751 size_cflags='-Os'
2a472e9c
MK
1752elif $cc -V 2>&1 | grep -q Sun; then
1753 cc_type=suncc
1754 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1755 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1756 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1757 speed_cflags='-O5'
1758 size_cflags='-O5 -xspace'
03279bbe
MK
1759 filter_cflags=suncc_flags
1760 suncc_flags(){
1761 for flag; do
1762 case $flag in
1763 -march=*|-mcpu=*)
1764 case "${flag#*=}" in
1765 native) echo -xtarget=native ;;
1766 v9) echo -xarch=sparc ;;
1767 ultrasparc) echo -xarch=sparcvis ;;
1768 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1769 i586|pentium) echo -xchip=pentium ;;
1770 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1771 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1772 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1773 pentium4*) echo -xtarget=pentium4 ;;
1774 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1775 *-sse3) echo -xarch=sse3 ;;
1776 core2) echo -xarch=ssse3 -xchip=core2 ;;
1777 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1778 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1779 k8|opteron|athlon64|athlon-fx)
1780 echo -xarch=sse2a ;;
1781 athlon*) echo -xarch=pentium_proa ;;
1782 esac
1783 ;;
1784 -std=c99) echo -xc99 ;;
1785 -fomit-frame-pointer) echo -xregs=frameptr ;;
1786 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1787 -W*,*) echo $flag ;;
1788 -f*-*|-W*) ;;
1789 *) echo $flag ;;
1790 esac
1791 done
1792 }
629687f6
MR
1793fi
1794
1795test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1796
75bafbac 1797: ${as_default:=$cc}
50567afa 1798: ${dep_cc_default:=$cc}
684b28e0 1799: ${ld_default:=$cc}
50567afa 1800set_default as dep_cc ld
75800dce 1801
07dec06e
MR
1802test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1803test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1804
7f32f40c 1805add_cflags $extra_cflags
2f2e6c7c 1806add_asflags $extra_cflags
7f32f40c 1807
154d432c
MR
1808if test -n "$sysroot"; then
1809 case "$cc_type" in
1810 gcc)
467256f2 1811 add_cppflags --sysroot="$sysroot"
154d432c
MR
1812 add_ldflags --sysroot="$sysroot"
1813 ;;
6fec122a
MR
1814 tms470)
1815 add_cppflags -I"$sysinclude"
1816 add_ldflags --sysroot="$sysroot"
1817 ;;
06da6943
DC
1818 clang)
1819 add_cppflags -isysroot="$sysroot"
1820 add_ldflags -isysroot="$sysroot"
1821 ;;
154d432c
MR
1822 esac
1823fi
1824
d22c13a8
MR
1825if test "$cpu" = host; then
1826 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1827
1828 case "$cc_type" in
1829 gcc)
1830 check_native(){
1831 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1832 sed -n "/$1=/{
1833 s/.*$1=\\([^ ]*\\).*/\\1/
1834 p
1835 q
1836 }" $TMPE
d22c13a8
MR
1837 }
1838 cpu=$(check_native -march || check_native -mcpu)
1839 ;;
1840 esac
1841
1842 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1843fi
1844
e939cedd
MR
1845# Deal with common $arch aliases
1846case "$arch" in
1847 arm*)
1848 arch="arm"
1849 ;;
1850 mips|mipsel|IP*)
1851 arch="mips"
1852 ;;
1853 mips64)
1854 arch="mips"
1855 subarch="mips64"
1856 ;;
1857 parisc|hppa)
1858 arch="parisc"
1859 ;;
1860 parisc64|hppa64)
1861 arch="parisc"
1862 subarch="parisc64"
1863 ;;
1864 "Power Macintosh"|ppc|powerpc)
1865 arch="ppc"
1866 ;;
1867 ppc64)
1868 arch="ppc"
1869 subarch="ppc64"
1870 ;;
1871 s390|s390x)
1872 arch="s390"
1873 ;;
1874 sh4|sh)
1875 arch="sh4"
1876 ;;
1877 sun4u|sparc64)
1878 arch="sparc"
1879 subarch="sparc64"
1880 ;;
1881 i[3-6]86|i86pc|BePC|x86_64|amd64)
1882 arch="x86"
1883 ;;
1884esac
1885
1886is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1887enable $arch
e939cedd 1888
df5cdc24 1889# Add processor-specific flags
5d54c126
MR
1890if test "$cpu" = generic; then
1891 : do nothing
1892elif enabled ppc; then
343aef9b 1893
56348891
MR
1894 case $(tolower $cpu) in
1895 601|ppc601|powerpc601)
9dbd5c3d 1896 cpuflags="-mcpu=601"
64ad53ff 1897 disable altivec
9dbd5c3d 1898 ;;
56348891 1899 603*|ppc603*|powerpc603*)
9dbd5c3d 1900 cpuflags="-mcpu=603"
64ad53ff 1901 disable altivec
9dbd5c3d 1902 ;;
56348891 1903 604*|ppc604*|powerpc604*)
9dbd5c3d 1904 cpuflags="-mcpu=604"
64ad53ff 1905 disable altivec
9dbd5c3d 1906 ;;
56348891 1907 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1908 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1909 disable altivec
9dbd5c3d 1910 ;;
56348891 1911 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1912 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1913 ;;
56348891 1914 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1915 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1916 ;;
56348891 1917 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1918 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1919 ;;
56348891 1920 cell)
9dbd5c3d
MR
1921 cpuflags="-mcpu=cell"
1922 enable ldbrx
1923 ;;
7b0b81a1
AL
1924 e500v2)
1925 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1926 disable altivec
1927 ;;
1928 e500)
1929 cpuflags="-mcpu=8540 -mhard-float"
1930 disable altivec
1931 ;;
9dbd5c3d 1932 esac
343aef9b
MR
1933
1934elif enabled x86; then
1935
9dbd5c3d
MR
1936 case $cpu in
1937 i[345]86|pentium)
1938 cpuflags="-march=$cpu"
1939 disable mmx
1940 ;;
1941 # targets that do NOT support conditional mov (cmov)
1942 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1943 cpuflags="-march=$cpu"
1944 disable cmov
1945 ;;
1946 # targets that do support conditional mov (cmov)
1947 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1948 cpuflags="-march=$cpu"
1949 enable cmov
1950 enable fast_cmov
1951 ;;
1952 # targets that do support conditional mov but on which it's slow
1953 pentium4|pentium4m|prescott|nocona)
1954 cpuflags="-march=$cpu"
1955 enable cmov
1956 disable fast_cmov
1957 ;;
1958 esac
343aef9b
MR
1959
1960elif enabled sparc; then
1961
9dbd5c3d
MR
1962 case $cpu in
1963 sparc64)
1964 cpuflags="-mcpu=v9"
1965 ;;
1966 esac
343aef9b
MR
1967
1968elif enabled arm; then
1969
34ba23c9
MR
1970 case $cpu in
1971 armv*)
1972 cpuflags="-march=$cpu"
1973 ;;
1974 *)
1975 cpuflags="-mcpu=$cpu"
1976 ;;
1977 esac
343aef9b
MR
1978
1979elif enabled alpha; then
1980
34ba23c9 1981 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
1982
1983elif enabled bfin; then
1984
34ba23c9 1985 cpuflags="-mcpu=$cpu"
343aef9b
MR
1986
1987elif enabled mips; then
1988
34ba23c9 1989 cpuflags="-march=$cpu"
343aef9b
MR
1990
1991elif enabled avr32; then
1992
9dbd5c3d
MR
1993 case $cpu in
1994 ap7[02]0[0-2])
1995 subarch="avr32_ap"
1996 cpuflags="-mpart=$cpu"
1997 ;;
1998 ap)
1999 subarch="avr32_ap"
2000 cpuflags="-march=$cpu"
2001 ;;
2002 uc3[ab]*)
2003 subarch="avr32_uc"
2004 cpuflags="-mcpu=$cpu"
2005 ;;
2006 uc)
2007 subarch="avr32_uc"
2008 cpuflags="-march=$cpu"
2009 ;;
2010 esac
df5cdc24 2011
343aef9b
MR
2012fi
2013
df5cdc24
MR
2014add_cflags $cpuflags
2015add_asflags $cpuflags
2016
993f2d0f
MR
2017# compiler sanity check
2018check_exec <<EOF
2019int main(void){ return 0; }
2020EOF
2021if test "$?" != 0; then
2022 echo "$cc is unable to create an executable file."
2023 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2024 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2025 echo "Only do this if you know what cross compiling means."
2026 fi
2027 die "C compiler test failed."
2028fi
2029
38a9c529 2030add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2031check_cflags -std=c99
50a334e4 2032check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2033#include <stdlib.h>
2034EOF
50a334e4 2035check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2036#include <stdlib.h>
2037EOF
e9b9a2f8 2038
f0125de9
MR
2039check_host_cflags -std=c99
2040
b24dbcbd 2041case "$arch" in
e939cedd 2042 alpha|ia64|mips|parisc|sparc)
8a3c8627 2043 spic=$shared
b24dbcbd 2044 ;;
e939cedd 2045 x86)
cfdb6148 2046 subarch="x86_32"
e939cedd 2047 check_cc <<EOF && subarch="x86_64"
58b3536d 2048 int test[(int)sizeof(char*) - 7];
cfdb6148 2049EOF
de27f4d9 2050 if test "$subarch" = "x86_64"; then
e939cedd 2051 spic=$shared
de27f4d9 2052 fi
b24dbcbd 2053 ;;
b24dbcbd
RP
2054esac
2055
343aef9b 2056enable $subarch
8a3c8627 2057enabled spic && enable pic
5755bc88 2058check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2059
7483e694 2060# OS specific
4f854758 2061case $target_os in
7483e694 2062 beos|haiku|zeta)
c9d19248 2063 prefix_default="$HOME/config"
7483e694 2064 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2065 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2066 case "$gcc_version" in
2067 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2068 disable mmx
2069 ;;
2070 *20010315*) echo "BeBits gcc"
0f010b2f 2071 add_cflags -fno-expensive-optimizations
7483e694
DB
2072 ;;
2073 esac
7483e694
DB
2074 SHFLAGS=-nostart
2075 # enable BeOS things
2076 enable audio_beos
2077 # no need for libm, but the inet stuff
2078 # Check for BONE
2079 # XXX: actually should check for NOT net_server
78fe7631 2080 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2081 network_extralibs="-lbind -lsocket"
2082 else
2083 enable beos_netserver
2084 network_extralibs="-lnet"
2085 fi ;;
2086 sunos)
2087 FFSERVERLDFLAGS=""
9987769a 2088 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2089 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2090 network_extralibs="-lsocket -lnsl"
50a334e4 2091 add_cppflags -D__EXTENSIONS__
8182dc34 2092 nm_opts='-P -g'
7483e694
DB
2093 ;;
2094 netbsd)
07a8eef6
MR
2095 oss_indev_extralibs="-lossaudio"
2096 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2097 ;;
2098 openbsd)
89e053f8 2099 enable malloc_aligned
7c4a001a
MR
2100 # On OpenBSD 4.5. the compiler does not use PIC unless
2101 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2102 # however the generated executable will not do anything
2103 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2104 # Thus explicitly enable PIC here.
cd78208b 2105 enable pic
7483e694 2106 SHFLAGS='-shared'
07a8eef6
MR
2107 oss_indev_extralibs="-lossaudio"
2108 oss_outdev_extralibs="-lossaudio"
7483e694 2109 ;;
90b4f091 2110 freebsd|dragonfly)
89e053f8 2111 enable malloc_aligned
7483e694
DB
2112 ;;
2113 bsd/os)
2114 osextralibs="-lpoll -lgnugetopt"
2115 strip="strip -d"
2116 ;;
2117 darwin)
89e053f8 2118 enable malloc_aligned
0138c54e 2119 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2120 strip="strip -x"
2121 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2122 SLIBSUF=".dylib"
2123 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2124 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2125 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2126 objformat="macho"
1b0f6fb8 2127 enabled x86_64 && objformat="macho64"
8dfa86f7 2128 enabled_any pic shared ||
2704bd1a 2129 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2130 ;;
2131 mingw32*)
9d3f4f50 2132 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2133 disable network
2134 else
2135 target_os=mingw32
2136 fi
dcc01c06 2137 LIBTARGET=i386
1fc9fb8a 2138 if enabled x86_64; then
89e053f8 2139 enable malloc_aligned
dcc01c06 2140 LIBTARGET=x64
336cc1b0
MS
2141 elif enabled arm; then
2142 LIBTARGET=arm
dcc01c06 2143 fi
fbd971a4 2144 shlibdir_default="$bindir_default"
7483e694
DB
2145 disable ffserver
2146 SLIBPREF=""
2147 SLIBSUF=".dll"
7483e694
DB
2148 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2149 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2150 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2151 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2152 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2153 install -d "$(LIBDIR)"; \
2154 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2155 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2156 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2157 objformat="win32"
bc574408 2158 enable dos_paths
1894e741 2159 check_cflags -fno-common
b1549d61 2160 if ! enabled x86_64; then
f7ad5aa2
RP
2161 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2162 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2163 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2164 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2165 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2166 fi
7483e694
DB
2167 ;;
2168 cygwin*)
4f854758 2169 target_os=cygwin
fbd971a4 2170 shlibdir_default="$bindir_default"
7483e694
DB
2171 SLIBPREF="cyg"
2172 SLIBSUF=".dll"
2173 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2174 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2175 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2176 objformat="win32"
bc574408 2177 enable dos_paths
1894e741 2178 check_cflags -fno-common
7483e694 2179 ;;
4f365f37 2180 *-dos|freedos|opendos)
fdf11906 2181 disable ffplay ffserver
4f365f37
MK
2182 disable $INDEV_LIST $OUTDEV_LIST
2183 network_extralibs="-lsocket"
ff1c015d 2184 objformat="coff"
bc574408 2185 enable dos_paths
4f365f37 2186 ;;
7483e694 2187 linux)
7483e694
DB
2188 enable dv1394
2189 ;;
2190 irix*)
4f854758 2191 target_os=irix
7483e694
DB
2192 ranlib="echo ignoring ranlib"
2193 ;;
d22e8442 2194 os/2*)
d22e8442
DY
2195 strip="lxlite"
2196 ln_s="cp -f"
d22e8442 2197 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2198 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2199 FFSERVERLDFLAGS=""
287d3b13 2200 LIBSUF="_s.a"
d22e8442
DY
2201 SLIBPREF=""
2202 SLIBSUF=".dll"
2203 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2204 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2205 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2206 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2207 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2208 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2209 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2210 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2211 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2212 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2213 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2214 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2215 enable dos_paths
d22e8442 2216 ;;
83993c1c
AM
2217 gnu/kfreebsd)
2218 ;;
34e82167 2219 gnu)
34e82167 2220 ;;
614d8911
MR
2221 none)
2222 ;;
7483e694 2223 *)
4f924f9a 2224 die "Unknown OS '$target_os'."
7483e694
DB
2225 ;;
2226esac
2227
c9d19248
MR
2228set_default $PATHS_LIST
2229
c597172e 2230add_extralibs $osextralibs
de6d9b64 2231
28d8e661
DB
2232# Combine FFLDFLAGS and the LDFLAGS environment variable.
2233LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2234
320d060a 2235# we need to build at least one lib type
93b3c083 2236if ! enabled_any static shared; then
320d060a
DB
2237 cat <<EOF
2238At least one library type must be built.
2239Specify --enable-static to build the static libraries or --enable-shared to
2240build the shared libraries as well. To only build the shared libraries specify
2241--disable-static in addition to --enable-shared.
2242EOF
2243 exit 1;
2244fi
2245
abc4e572 2246disabled static && LIBNAME=""
2a320695 2247
a2234ceb
RP
2248if enabled_any libfaad libfaadbin ; then
2249 if check_header faad.h; then
295b8c70 2250 check_cc <<EOF
a2234ceb
RP
2251#include <faad.h>
2252#ifndef FAAD2_VERSION
2253ok faad1
2254#endif
db817cf3 2255int main(void) { return 0; }
a2234ceb
RP
2256EOF
2257 test $? = 0 && enable libfaad2
2258 else
ff3dac65 2259 die "FAAD test failed."
a2234ceb
RP
2260 fi
2261fi
2262
2263
2184c6f7 2264die_license_disabled() {
4c27207c 2265 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2266}
2267
2268die_license_disabled gpl libfaad2
2269die_license_disabled gpl libx264
2270die_license_disabled gpl libxvid
2271die_license_disabled gpl postproc
2272die_license_disabled gpl x11grab
2273
2f7ae63b 2274die_license_disabled nonfree libfaac
b2e3c528 2275
0b175caa
DB
2276die_license_disabled version3 libopencore_amrnb
2277die_license_disabled version3 libopencore_amrwb
2278
9cad0e4e 2279enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2280
9eeed841 2281check_deps $ARCH_EXT_LIST
0f3cb305 2282
40617a6d 2283disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2284
e276d9e8
MR
2285enable_pic() {
2286 enable pic
bce7b696
MR
2287 add_cppflags -DPIC
2288 add_cflags -fPIC
2289 add_asflags -fPIC
e276d9e8
MR
2290}
2291
2292enabled pic && enable_pic
bce7b696 2293
b4d96ba2
MR
2294check_cc <<EOF || die "Symbol mangling check failed."
2295int ff_extern;
2296EOF
8182dc34 2297sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2298extern_prefix=${sym%%ff_extern*}
2299
f65883c8
MR
2300check_cc <<EOF && enable inline_asm
2301void foo(void) { __asm__ volatile ("" ::); }
2302EOF
61d251db 2303
df5e3978
MR
2304_restrict=
2305for restrict_keyword in restrict __restrict__ __restrict; do
2306 check_cc <<EOF && _restrict=$restrict_keyword && break
2307void foo(char * $restrict_keyword p);
2308EOF
2309done
2310
2311check_cc <<EOF && enable attribute_packed
2312struct { int x; } __attribute__((packed)) x;
2313EOF
2314
dffb41b9
MR
2315check_cc <<EOF && enable attribute_may_alias
2316union { int x; } __attribute__((may_alias)) x;
2317EOF
2318
df5e3978
MR
2319check_cc <<EOF || die "endian test failed"
2320unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2321EOF
48fc536a 2322od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2323
e939cedd
MR
2324if enabled alpha; then
2325
2326 check_cflags -mieee
2327
2328elif enabled arm; then
e45391bb 2329
50fa82e6
MR
2330 check_cflags -marm
2331
fa0912fe
MR
2332 check_ld <<EOF && enable vfp_args
2333__asm__ (".eabi_attribute 28, 1");
2334int main(void) { return 0; }
2335EOF
2336
2337 # We have to check if pld is a nop and disable it.
2338 check_asm pld '"pld [r0]"'
2339
2340 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2341 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2342 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2343 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2344 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2345 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2346
e276d9e8
MR
2347 enabled_all armv6t2 shared !pic && enable_pic
2348
e939cedd
MR
2349elif enabled ia64; then
2350
2351 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2352 enabled shared && enable_weak hardcoded_tables
2353
fa0912fe 2354elif enabled mips; then
e45391bb 2355
fa0912fe
MR
2356 check_asm loongson '"dmult.g $1, $2, $3"'
2357 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2358
fa0912fe 2359elif enabled ppc; then
e45391bb 2360
fa0912fe
MR
2361 check_asm dcbzl '"dcbzl 0, 1"'
2362 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2363 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2364
2365 # AltiVec flags: The FSF version of GCC differs from the Apple version
2366 if enabled altivec; then
2367 check_cflags -maltivec -mabi=altivec &&
2368 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2369 check_cflags -faltivec
2370
2371 # check if our compiler supports Motorola AltiVec C API
2372 check_cc <<EOF || disable altivec
2373$inc_altivec_h
2374int main(void) {
2375 vector signed int v1, v2, v3;
2376 v1 = vec_add(v2,v3);
2377 return 0;
2378}
2379EOF
2380
2381 # check if our compiler supports braces for vector declarations
2382 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2383$inc_altivec_h
2384int main (void) { (vector int) {1}; return 0; }
2385EOF
2386 fi
e45391bb 2387
fa0912fe 2388elif enabled sparc; then
e45391bb 2389
fa0912fe
MR
2390 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2391 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2392
fa0912fe 2393elif enabled x86; then
e45391bb 2394
44965991
PI
2395 # check whether EBP is available on x86
2396 # As 'i' is stored on the stack, this program will crash
2397 # if the base pointer is used to access it because the
2398 # base pointer is cleared in the inline assembly code.
7dfef245 2399 check_exec_crash <<EOF && enable ebp_available
44965991 2400 volatile int i=0;
be449fca 2401 __asm__ volatile (
44965991
PI
2402 "xorl %%ebp, %%ebp"
2403 ::: "%ebp");
2404 return i;
44965991
PI
2405EOF
2406
f494213c 2407 # check whether EBX is available on x86
7cee5421
MR
2408 check_asm ebx_available '""::"b"(0)' &&
2409 check_asm ebx_available '"":::"%ebx"'
8e380710 2410
d3a4b4e0
DB
2411 # check whether more than 10 operands are supported
2412 check_cc <<EOF && enable ten_operands
2413int main(void) {
2414 int x=0;
2415 __asm__ volatile(
2416 ""
2417 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2418 );
2419 return 0;
2420}
2421EOF
2422
d7f0920b 2423 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2424 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2425 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2426
2427 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2428
d52481b9 2429 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2430 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2431 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2432 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2433 case "$objformat" in
2434 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2435 esac
7595a5e4 2436 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2437
669b5583
MR
2438 case "$cpu" in
2439 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2440 disable fast_clz
2441 ;;
2442 esac
2443
44965991
PI
2444fi
2445
a98bb16d
RP
2446if check_func dlopen; then
2447 ldl=
2448elif check_func dlopen -ldl; then
2449 ldl=-ldl
8bf5d58f
MN
2450fi
2451
75ecf149
DB
2452# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2453check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2454
7483e694 2455check_func fork
84882df6 2456check_func getaddrinfo $network_extralibs
7483e694
DB
2457check_func gethrtime
2458check_func getrusage
094c09bb 2459check_func inet_aton $network_extralibs
abfc8d05 2460check_func isatty
4ae40685 2461check_func ${malloc_prefix}memalign && enable memalign
7483e694 2462check_func mkstemp
4ae40685 2463check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2464check_func setrlimit
b507ebd1 2465check_func_headers io.h setmode
e4673692 2466check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 2467check_func_headers windows.h GetProcessTimes
7c5bfe7a 2468check_func_headers windows.h VirtualAlloc
6ffa87d3 2469
e16e49ac 2470check_header conio.h
a98bb16d 2471check_header dlfcn.h
92c6a099 2472check_header dxva2api.h
a98bb16d 2473check_header malloc.h
bf6ce82d 2474check_header poll.h
b58412f1 2475check_header sys/mman.h
b091aa44 2476check_header sys/resource.h
bf6ce82d 2477check_header sys/select.h
a98bb16d 2478check_header termios.h
272081b0
CEH
2479check_header vdpau/vdpau.h
2480check_header vdpau/vdpau_x11.h
68178ca9 2481check_header X11/extensions/XvMClib.h
a98bb16d 2482
9104cd51
RP
2483check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2484
89e053f8
MR
2485if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2486 enabled_any $need_memalign ; then
1f91cdce 2487 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2488fi
e16e49ac 2489
a4fa192c 2490disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2491disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2492
2493# check for some common methods of building with pthread support
2494# do this before the optional library checks as some of them require pthreads
2495if enabled pthreads; then
9e7fd101
MR
2496 if check_func pthread_create; then
2497 :
2498 elif check_func pthread_create -pthread; then
2499 add_cflags -pthread
afc9aee2 2500 add_extralibs -pthread
9e7fd101
MR
2501 elif check_func pthread_create -pthreads; then
2502 add_cflags -pthreads
afc9aee2 2503 add_extralibs -pthreads
8d94f606
GT
2504 elif check_func pthread_create -lpthreadGC2; then
2505 add_extralibs -lpthreadGC2
9e7fd101
MR
2506 elif ! check_lib pthread.h pthread_create -lpthread; then
2507 die "ERROR: can't find pthreads library"
2508 fi
57bd82d4
MR
2509fi
2510
8eee7025 2511for thread in $THREADS_LIST; do
e5f94c2b 2512 if enabled $thread; then
3ae3b721
RP
2513 test -n "$thread_type" &&
2514 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2515 thread_type="$thread"
e5f94c2b
RP
2516 fi
2517done
2518
fdf88598 2519check_lib math.h sin -lm
ff418735 2520check_lib va/va.h vaInitialize -lva
fdf88598 2521
6b7c7703
VS
2522check_func exp2
2523check_func exp2f
ad420e25
MR
2524check_func llrint
2525check_func log2
6b7c7703 2526check_func log2f
ad420e25
MR
2527check_func lrint
2528check_func lrintf
2529check_func round
2530check_func roundf
2531check_func truncf
f32adb22 2532
57bd82d4 2533# these are off by default, so fail if requested and not available
a1b3c5a3 2534enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2535enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2536 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2537 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2538enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2539enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2540enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2541enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2542enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2543enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2544enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2545enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2546enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2547 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2548enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2549enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2550enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2551enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2552 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2553 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2554enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2555enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2556
0b4a1821
AS
2557# libdc1394 check
2558if enabled libdc1394; then
2559 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2560 enable libdc1394_2; } ||
2561 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2562 enable libdc1394_1; } ||
2563 die "ERROR: No version of libdc1394 found "
2564fi
2565
6a1a892f 2566SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2567if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2568 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2569 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2570 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2571 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2572 enable sdl &&
2573 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2574fi
57bd82d4 2575
2270b4b2 2576texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2577
73b46a95 2578if enabled network; then
96000432 2579 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2580 check_type netdb.h "struct addrinfo"
b4d68544
MS
2581 check_type netinet/in.h "struct ipv6_mreq"
2582 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2583 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2584 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2585 # Prefer arpa/inet.h over winsock2
2586 if check_header arpa/inet.h ; then
2587 check_func closesocket
2588 elif check_header winsock2.h ; then
f4c13872
MS
2589 check_func_headers winsock2.h closesocket -lws2 && \
2590 network_extralibs="-lws2" || \
2591 { check_func_headers winsock2.h closesocket -lws2_32 && \
2592 network_extralibs="-lws2_32"; }
72be9e73 2593 check_type ws2tcpip.h socklen_t
c0018613 2594 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2595 check_type ws2tcpip.h "struct ipv6_mreq"
2596 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2597 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2598 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2599 else
2600 disable network
73b46a95
RP
2601 fi
2602fi
2603
06e31011
RP
2604check_header linux/videodev.h
2605check_header linux/videodev2.h
1b6e8b73 2606check_header sys/videoio.h
47f38850 2607
27796dc3 2608check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2609
f8aa696f 2610# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2611{ check_header dev/bktr/ioctl_meteor.h &&
2612 check_header dev/bktr/ioctl_bt848.h; } ||
2613{ check_header machine/ioctl_meteor.h &&
2614 check_header machine/ioctl_bt848.h; } ||
2615{ check_header dev/video/meteor/ioctl_meteor.h &&
2616 check_header dev/video/bktr/ioctl_bt848.h; } ||
2617check_header dev/ic/bt8xx.h
f8aa696f 2618
c7682de0
RP
2619check_header sys/soundcard.h
2620check_header soundcard.h
deb29777 2621
b6f3d925 2622enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2623
0e57fe17 2624enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2625
56a059ac 2626enabled x11grab &&
f58f4ce1
GP
2627check_header X11/Xlib.h &&
2628check_header X11/extensions/XShm.h &&
0a045661 2629check_header X11/extensions/Xfixes.h &&
f58f4ce1 2630check_func XOpenDisplay -lX11 &&
781c1aa6
R
2631check_func XShmCreateImage -lX11 -lXext &&
2632check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2633
598ef02b 2634if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2635check_cpp_condition \
2636 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2637 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2638 disable vdpau; }
abf649c7 2639fi
deda2a4a 2640
95e561ec 2641enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2642
2643# add some useful compiler flags if supported
2644check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2645check_cflags -Wall
2646check_cflags -Wno-switch
c07bd6a9
MN
2647check_cflags -Wdisabled-optimization
2648check_cflags -Wpointer-arith
2649check_cflags -Wredundant-decls
cc1fb623 2650check_cflags -Wno-pointer-sign
f4929996 2651check_cflags -Wcast-qual
9aceb3cf 2652check_cflags -Wwrite-strings
652a5bf6 2653check_cflags -Wtype-limits
764551c6 2654check_cflags -Wundef
5af4e0cc 2655enabled extra_warnings && check_cflags -Winline
cf9d24ad 2656
57bd82d4 2657# add some linker flags
5c0e9479 2658check_ldflags -Wl,--warn-common
8351d2ba
DB
2659check_ldflags -Wl,--as-needed
2660check_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 2661check_ldflags -Wl,-Bsymbolic
94a3401e 2662
a482e61b
MR
2663echo "X{};" > $TMPV
2664test_ldflags -Wl,--version-script,$TMPV &&
2665 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2666
bd2216e4 2667if enabled small; then
14ca9cd0 2668 add_cflags $size_cflags
8400d6b8
DB
2669 optimizations="small"
2670elif enabled optimizations; then
14ca9cd0 2671 add_cflags $speed_cflags
cddf3f45 2672fi
11fdbc44 2673check_cflags -fno-math-errno
b2eb2ff0 2674check_cflags -fno-signed-zeros
cddf3f45 2675
629687f6 2676if enabled icc; then
b1598b58
MR
2677 # Just warnings, no remarks
2678 check_cflags -w1
2679 # -wd: Disable following warnings
2680 # 144, 167, 556: -Wno-pointer-sign
2681 # 10006: ignoring unknown option -fno-signed-zeros
2682 # 10156: ignoring option '-W'; no argument required
2683 check_cflags -wd144,167,556,10006,10156
2684 # 11030: Warning unknown option --as-needed
2685 # 10156: ignoring option '-export'; no argument required
2686 check_ldflags -wd10156,11030
2687 # Allow to compile with optimizations
2688 check_ldflags -march=$cpu
be2cf98a
CEH
2689 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2690 enable ebp_available
df442a8d
MR
2691elif enabled ccc; then
2692 # disable some annoying warnings
2693 add_cflags -msg_disable cvtu32to64
2694 add_cflags -msg_disable embedcomment
2695 add_cflags -msg_disable needconstext
2696 add_cflags -msg_disable nomainieee
2697 add_cflags -msg_disable ptrmismatch1
2698 add_cflags -msg_disable unreachcode
973859f5
MR
2699elif enabled gcc; then
2700 check_cflags -fno-tree-vectorize
06da6943
DC
2701elif enabled clang; then
2702 check_cflags -Qunused-arguments
138132be
MR
2703elif enabled armcc; then
2704 # 2523: use of inline assembler is deprecated
2705 add_cflags -Wrvct,--diag_suppress=2523
587d24ff
MR
2706elif enabled tms470; then
2707 add_cflags -pds=824 -pds=837
504a64b9
CEH
2708fi
2709
90be59ef 2710if enabled gprof; then
0f010b2f
DB
2711 add_cflags -p
2712 add_ldflags -p
1db54e20
DB
2713fi
2714
7f3c02fc 2715# Find out if the .align argument is a power of two or not.
9377b6ce 2716check_asm asmalign_pot '".align 3"'
4454dc1b 2717
7483e694
DB
2718enabled_any $DECODER_LIST && enable decoders
2719enabled_any $ENCODER_LIST && enable encoders
5666fd73 2720enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2721enabled_any $BSF_LIST && enable bsfs
2722enabled_any $DEMUXER_LIST && enable demuxers
2723enabled_any $MUXER_LIST && enable muxers
f7679c54 2724enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2725enabled_any $INDEV_LIST && enable indevs
2726enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2727enabled_any $PROTOCOL_LIST && enable protocols
2728
2729enabled_any $THREADS_LIST && enable threads
2730
2731check_deps $CONFIG_LIST \
b6bb00b0 2732 $CONFIG_EXTRA \
7483e694
DB
2733 $HAVE_LIST \
2734 $DECODER_LIST \
2735 $ENCODER_LIST \
5666fd73 2736 $HWACCEL_LIST \
7483e694
DB
2737 $PARSER_LIST \
2738 $BSF_LIST \
2739 $DEMUXER_LIST \
2740 $MUXER_LIST \
f7679c54 2741 $FILTER_LIST \
7483e694
DB
2742 $INDEV_LIST \
2743 $OUTDEV_LIST \
2744 $PROTOCOL_LIST \
f70f03f6 2745
c8a4ae00
MR
2746enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2747
3e89171a 2748echo "install prefix $prefix"
f36958f8
DB
2749echo "source path $source_path"
2750echo "C compiler $cc"
bfd5afd8 2751echo ".align is power-of-two $asmalign_pot"
f36958f8 2752echo "ARCH $arch ($cpu)"
ce8871c2
MR
2753if test "$build_suffix" != ""; then
2754 echo "build suffix $build_suffix"
eb94aca9 2755fi
ac63af34
DB
2756if test "$extra_version" != ""; then
2757 echo "version string suffix $extra_version"
2758fi
0db2ce77 2759echo "big-endian ${bigendian-no}"
e90f5b5a 2760echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2761if enabled x86; then
af44e8e4 2762 echo "yasm ${yasm-no}"
0db2ce77 2763 echo "MMX enabled ${mmx-no}"
30e98e62 2764 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2765 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2766 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2767 echo "SSE enabled ${sse-no}"
30e98e62 2768 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2769 echo "CMOV enabled ${cmov-no}"
2770 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2771 echo "EBX available ${ebx_available-no}"
2772 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2773 echo "10 operands supported ${ten_operands-no}"
e41e8342 2774fi
5b6c2cbd 2775if enabled arm; then
0db2ce77
MR
2776 echo "ARMv5TE enabled ${armv5te-no}"
2777 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2778 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2779 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2780 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2781 echo "NEON enabled ${neon-no}"
eba9ae3c 2782fi
5b6c2cbd 2783if enabled mips; then
0db2ce77 2784 echo "MMI enabled ${mmi-no}"
e41e8342 2785fi
5b6c2cbd 2786if enabled ppc; then
0db2ce77 2787 echo "AltiVec enabled ${altivec-no}"
30e98e62 2788 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2789 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2790 echo "performance report ${powerpc_perf-no}"
2791fi
2792if enabled sparc; then
2793 echo "VIS enabled ${vis-no}"
e41e8342 2794fi
0db2ce77
MR
2795echo "gprof enabled ${gprof-no}"
2796echo "debug symbols ${debug-no}"
87a0fb62 2797echo "strip symbols ${stripping-no}"
8400d6b8 2798echo "optimizations ${optimizations-no}"
0db2ce77
MR
2799echo "static ${static-no}"
2800echo "shared ${shared-no}"
4a24ab64 2801echo "postprocessing support ${postproc-no}"
f7679c54 2802echo "new filter support ${avfilter-no}"
81124ba0 2803echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2804echo "network support ${network-no}"
0db2ce77
MR
2805echo "threading support ${thread_type-no}"
2806echo "SDL support ${sdl-no}"
0db2ce77
MR
2807echo "Sun medialib support ${mlib-no}"
2808echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2809echo "libdc1394 support ${libdc1394-no}"
690bfceb 2810echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2811echo "libfaac enabled ${libfaac-no}"
2812echo "libfaad enabled ${libfaad-no}"
7e0871a7 2813echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2814echo "libgsm enabled ${libgsm-no}"
2815echo "libmp3lame enabled ${libmp3lame-no}"
2816echo "libnut enabled ${libnut-no}"
0b175caa
DB
2817echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2818echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2819echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2820echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2821echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2822echo "libtheora enabled ${libtheora-no}"
2823echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2824echo "libx264 enabled ${libx264-no}"
2825echo "libxvid enabled ${libxvid-no}"
0db2ce77 2826echo "zlib enabled ${zlib-no}"
f402916e 2827echo "bzlib enabled ${bzlib-no}"
2c62e737 2828echo
de6d9b64 2829
5666fd73 2830for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2831 echo "Enabled ${type}s:"
f65c9da1 2832 eval list=\$$(toupper $type)_LIST
8138b9db 2833 for part in $list; do
f65c9da1
MR
2834 enabled $part && echo ${part%_*}
2835 done | sort | pr -3 -t
2836 echo
8138b9db
RP
2837done
2838
ba7a7039 2839license="LGPL version 2.1 or later"
ba321adb 2840if enabled nonfree; then
ba7a7039 2841 license="nonfree and unredistributable"
9cad0e4e
DB
2842elif enabled gplv3; then
2843 license="GPL version 3 or later"
2844elif enabled lgplv3; then
2845 license="LGPL version 3 or later"
ba321adb 2846elif enabled gpl; then
ba7a7039 2847 license="GPL version 2 or later"
ba321adb
JK
2848fi
2849
2850echo "License: $license"
ca5323af 2851
cf1392e9
DB
2852echo "Creating config.mak and config.h..."
2853
df642790
MR
2854# build tree in object directory if source path is different from current one
2855if enabled source_path_used; then
2856 DIRS="
2857 doc
2858 libavcodec
2859 libavcodec/$arch
2860 libavdevice
2861 libavfilter
2862 libavformat
2863 libavutil
2864 libavutil/$arch
2865 libpostproc
2866 libswscale
2867 libswscale/$arch
2868 tests
2869 tools
2870 "
2871 FILES="
2872 Makefile
2873 common.mak
2874 subdir.mak
2875 doc/texi2pod.pl
2876 libavcodec/Makefile
2877 libavdevice/Makefile
2878 libavfilter/Makefile
2879 libavformat/Makefile
2880 libavutil/Makefile
2881 libpostproc/Makefile
2882 libswscale/Makefile
2883 "
2884 for dir in $DIRS ; do
2885 mkdir -p $dir
2886 done
2887 for f in $FILES ; do
2888 $ln_s "$source_path/$f" $f
2889 done
2890fi
2891
ad212cc6
MR
2892enabled stripping || strip="echo skipping strip"
2893
173c983b
MR
2894cat > config.mak <<EOF
2895# Automatically generated by configure - do not modify!
2896ifndef FFMPEG_CONFIG_MAK
2897FFMPEG_CONFIG_MAK=1
2898FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2899prefix=$prefix
2900LIBDIR=\$(DESTDIR)$libdir
2901SHLIBDIR=\$(DESTDIR)$shlibdir
2902INCDIR=\$(DESTDIR)$incdir
2903BINDIR=\$(DESTDIR)$bindir
2904DATADIR=\$(DESTDIR)$datadir
2905MANDIR=\$(DESTDIR)$mandir
2906SRC_PATH="$source_path"
2907SRC_PATH_BARE=$source_path
2908BUILD_ROOT="$PWD"
2909ARCH=$arch
2910CC=$cc
2911AS=$as
2912LD=$ld
2913DEPCC=$dep_cc
2914YASM=$yasmexe
2915AR=$ar
2916RANLIB=$ranlib
2917LN_S=$ln_s
2918STRIP=$strip
2919CPPFLAGS=$CPPFLAGS
2920CFLAGS=$CFLAGS
2921ASFLAGS=$ASFLAGS
2922CC_O=$CC_O
2923LDFLAGS=$LDFLAGS
2924FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2925SHFLAGS=$SHFLAGS
2926YASMFLAGS=$YASMFLAGS
2927BUILDSUF=$build_suffix
2928FULLNAME=$FULLNAME
2929LIBPREF=$LIBPREF
2930LIBSUF=$LIBSUF
2931LIBNAME=$LIBNAME
2932SLIBPREF=$SLIBPREF
2933SLIBSUF=$SLIBSUF
2934EXESUF=$EXESUF
2935EXTRA_VERSION=$extra_version
2936DEPFLAGS=$DEPFLAGS
2937CCDEP=$CCDEP
2938ASDEP=$ASDEP
2939CC_DEPFLAGS=$CC_DEPFLAGS
2940AS_DEPFLAGS=$AS_DEPFLAGS
2941HOSTCC=$host_cc
2942HOSTCFLAGS=$host_cflags
2943HOSTEXESUF=$HOSTEXESUF
2944HOSTLDFLAGS=$host_ldflags
2945HOSTLIBS=$host_libs
2946TARGET_EXEC=$target_exec
2947TARGET_PATH=$target_path
2948SDL_LIBS=$sdl_libs
2949SDL_CFLAGS=$sdl_cflags
2950LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2951EXTRALIBS=$extralibs
2952EOF
5a872801 2953
719c8e00
MR
2954get_version(){
2955 name=$1
2956 file=$source_path/$2
147e7692
MR
2957 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2958 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2959 lcname=$(tolower $name)
2960 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2961 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2962}
2963
147e7692
MR
2964get_version LIBSWSCALE libswscale/swscale.h
2965get_version LIBPOSTPROC libpostproc/postprocess.h
2966get_version LIBAVCODEC libavcodec/avcodec.h
2967get_version LIBAVDEVICE libavdevice/avdevice.h
2968get_version LIBAVFORMAT libavformat/avformat.h
2969get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2970get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2971
173c983b
MR
2972enabled shared && cat >> config.mak <<EOF
2973LIBTARGET=${LIBTARGET}
2974SLIBNAME=${SLIBNAME}
2975SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2976SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2977SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2978SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2979SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2980SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2981EOF
523ef551 2982
173c983b
MR
2983enabled asmalign_pot || align_shift="1 <<"
2984
2985cat > $TMPH <<EOF
2986/* Automatically generated by configure - do not modify! */
2987#ifndef FFMPEG_CONFIG_H
2988#define FFMPEG_CONFIG_H
2989#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2990#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2991#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2992#define CC_TYPE "$cc_type"
2993#define CC_VERSION $cc_version
2994#define restrict $_restrict
2995#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2996#define EXTERN_PREFIX "${extern_prefix}"
2997#define EXTERN_ASM ${extern_prefix}
2998EOF
523ef551 2999
4ae40685
MR
3000test -n "$malloc_prefix" &&
3001 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3002
523ef551
DB
3003if enabled small || disabled optimizations; then
3004 echo "#define av_always_inline" >> $TMPH
3005fi
3006
3d907e22
MR
3007print_config ARCH_ $TMPH config.mak $ARCH_LIST
3008print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3009print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3010 $CONFIG_EXTRA \
7483e694
DB
3011 $DECODER_LIST \
3012 $ENCODER_LIST \
5666fd73 3013 $HWACCEL_LIST \
7483e694
DB
3014 $PARSER_LIST \
3015 $BSF_LIST \
3016 $DEMUXER_LIST \
3017 $MUXER_LIST \
f7679c54 3018 $FILTER_LIST \
7483e694
DB
3019 $PROTOCOL_LIST \
3020 $INDEV_LIST \
3021 $OUTDEV_LIST \
8ac17293 3022
9c05103f 3023echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3024echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3025
b7860763 3026# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3027cp_if_changed $TMPH config.h
3d204385 3028
a3e02a8c
MR
3029cat > $TMPH <<EOF
3030/* Generated by ffconf */
3031#ifndef AVUTIL_AVCONFIG_H
3032#define AVUTIL_AVCONFIG_H
3033EOF
3034
3035print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3036
3037echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3038
3039cp_if_changed $TMPH libavutil/avconfig.h
3040
d0674868 3041# build pkg-config files
def4272a 3042
d0674868
DB
3043pkgconfig_generate(){
3044name=$1
b0dfd108 3045shortname=${name#lib}${build_suffix}
d0674868
DB
3046comment=$2
3047version=$3
3048libs=$4
3049requires=$5
25cd5cb3 3050cat <<EOF > $name/$name.pc
3e89171a 3051prefix=$prefix
a94e666c 3052exec_prefix=\${prefix}
f2b7382c 3053libdir=$libdir
7622778e 3054includedir=$incdir
def4272a 3055
d0674868
DB
3056Name: $name
3057Description: $comment
3058Version: $version
8cd6b388 3059Requires: $(enabled shared || echo $requires)
5dcfe9f8 3060Requires.private: $(enabled shared && echo $requires)
def4272a 3061Conflicts:
8cd6b388 3062Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3063Libs.private: $(enabled shared && echo $libs)
76a448ed 3064Cflags: -I\${includedir}
def4272a 3065EOF
25cd5cb3 3066cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3067prefix=
3068exec_prefix=
46d1ff83 3069libdir=\${pcfiledir}
1d44d365 3070includedir=${source_path}
def4272a 3071
d0674868
DB
3072Name: $name
3073Description: $comment
3074Version: $version
3075Requires: $requires
def4272a 3076Conflicts:
12701f6e 3077Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3078Cflags: -I\${includedir}
3079EOF
d0674868 3080}
def4272a 3081
e426941d 3082pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3083pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3084pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3085pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3086enabled avfilter &&
46983309 3087 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3088enabled postproc &&
e426941d 3089 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3090pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"