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