configure: make avconv select (a)trim filters
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 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."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
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105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
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111
112Component options:
113 --disable-doc do not build documentation
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114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
06454877 123 --disable-network disable network support [no]
7f3f5f46 124 --disable-dct disable DCT code
0b499c9b 125 --disable-error-resilience disable error resilience code
193cdd9a 126 --disable-lsp disable LSP code
2a91ada8 127 --disable-lzo disable LZO decoder code
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128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
3b327a4b 130 --disable-fft disable FFT code
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131
132Hardware accelerators:
3b327a4b 133 --enable-dxva2 enable DXVA2 code
dcb73592 134 --enable-vaapi enable VAAPI code
ac3dbb4d 135 --enable-vda enable VDA code
e8f6bd4b 136 --enable-vdpau enable VDPAU code
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137
138Individual component options:
bb55e3a3 139 --disable-everything disable all components listed below
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140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
3b327a4b 164 --enable-indev=NAME enable input device NAME
06454877 165 --disable-indev=NAME disable input device NAME
06454877 166 --disable-indevs disable input devices
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167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
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169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
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174
175External library support:
176 --enable-avisynth enable reading of AVISynth script files [no]
177 --enable-bzlib enable bzlib [autodetect]
47941088 178 --enable-frei0r enable frei0r video filtering
bc8c1395 179 --enable-gnutls enable gnutls [no]
e417d80d 180 --enable-libcdio enable audio CD grabbing with libcdio
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181 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
182 and libraw1394 [no]
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183 --enable-libfaac enable AAC encoding via libfaac [no]
184 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 185 --enable-libfreetype enable libfreetype [no]
c547e5ff 186 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 187 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 188 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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189 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
190 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
191 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 192 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 193 --enable-libopus enable Opus decoding via libopus [no]
7c922411 194 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 195 --enable-librtmp enable RTMP[E] support via librtmp [no]
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196 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
197 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 198 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 199 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 200 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 201 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 202 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
06454877 203 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 204 --enable-libxavs enable AVS encoding via xavs [no]
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205 --enable-libxvid enable Xvid encoding via xvidcore,
206 native MPEG-4/Xvid encoder exists [no]
a060866f 207 --enable-openssl enable openssl [no]
45235ac4 208 --enable-x11grab enable X11 grabbing [no]
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209 --enable-zlib enable zlib [autodetect]
210
211Advanced options (experts only):
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212 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
213 --enable-cross-compile assume a cross-compiler is used
214 --sysroot=PATH root of cross-build tree
215 --sysinclude=PATH location of cross-build system headers
216 --target-os=OS compiler targets OS [$target_os]
217 --target-exec=CMD command to run executables on target
218 --target-path=DIR path to view of build directory on target
aeeb782c 219 --toolchain=NAME set tool defaults according to NAME
06454877 220 --nm=NM use nm tool
121d78d0 221 --ar=AR use archive tool AR [$ar_default]
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222 --as=AS use assembler AS [$as_default]
223 --cc=CC use C compiler CC [$cc_default]
193cdd9a 224 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
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225 --ld=LD use linker LD
226 --host-cc=HOSTCC use host C compiler HOSTCC
227 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 228 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 229 --host-ld=HOSTLD use host linker HOSTLD
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230 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
231 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 232 --host-os=OS compiler host OS [$target_os]
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233 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
234 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
235 --extra-libs=ELIBS add ELIBS [$ELIBS]
236 --extra-version=STRING version string suffix []
193cdd9a 237 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 238 --build-suffix=SUFFIX library name suffix []
3b327a4b 239 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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240 --arch=ARCH select architecture [$arch]
241 --cpu=CPU select the minimum required CPU (affects
242 instruction selection, may crash on older CPUs)
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243 --enable-pic build position-independent code
244 --enable-sram allow use of on-chip SRAM
193cdd9a 245 --enable-thumb compile for Thumb instruction set
3b327a4b 246 --disable-symver disable symbol versioning
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247 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
248 --disable-safe-bitstream-reader
249 disable buffer boundary checking in bitreaders
250 (faster, but may crash)
251 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 252 --enable-lto use link-time optimization
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253
254Optimization options (experts only):
c8a4ae00 255 --disable-asm disable all assembler optimizations
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256 --disable-altivec disable AltiVec optimizations
257 --disable-amd3dnow disable 3DNow! optimizations
258 --disable-amd3dnowext disable 3DNow! extended optimizations
259 --disable-mmx disable MMX optimizations
239fdf1b 260 --disable-mmxext disable MMXEXT optimizations
06454877 261 --disable-sse disable SSE optimizations
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262 --disable-sse2 disable SSE2 optimizations
263 --disable-sse3 disable SSE3 optimizations
06454877 264 --disable-ssse3 disable SSSE3 optimizations
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265 --disable-sse4 disable SSE4 optimizations
266 --disable-sse42 disable SSE4.2 optimizations
87f1355f 267 --disable-avx disable AVX optimizations
79687079 268 --disable-fma4 disable FMA4 optimizations
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269 --disable-armv5te disable armv5te optimizations
270 --disable-armv6 disable armv6 optimizations
271 --disable-armv6t2 disable armv6t2 optimizations
b3267559 272 --disable-vfp disable VFP optimizations
5ea20630 273 --disable-neon disable NEON optimizations
06454877 274 --disable-vis disable VIS optimizations
afb5ed55 275 --disable-inline-asm disable use of inline assembler
06454877 276 --disable-yasm disable use of yasm assembler
06454877 277
070c5d0f 278Developer options (useful when working on Libav itself):
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279 --disable-debug disable debugging symbols
280 --enable-debug=LEVEL set the debug level [$debuglevel]
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281 --disable-optimizations disable compiler optimizations
282 --enable-extra-warnings enable more compiler warnings
52b3cc60 283 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 284 \$LIBAV_SAMPLES at make invocation time.
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285 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
286 should be used only for debugging purposes)
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287 --enable-random randomly enable/disable components
288 --disable-random
289 --enable-random=LIST randomly enable/disable specific components or
290 --disable-random=LIST component groups. LIST is a comma-separated list
291 of NAME[:PROB] entries where NAME is a component
292 (group) and PROB the probability associated with
293 NAME (default 0.5).
294 --random-seed=VALUE seed value for --enable/disable-random
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295
296NOTE: Object files are built at the place where configure is launched.
297EOF
60e8bc13 298 exit 0
74c53c2d 299}
cf9d24ad 300
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301quotes='""'
302
57bd82d4 303log(){
2270b4b2 304 echo "$@" >> $logfile
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305}
306
720c69da 307log_file(){
c8e9f801 308 log BEGIN $1
2270b4b2 309 pr -n -t $1 >> $logfile
c8e9f801
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310 log END $1
311}
312
2ba042a7 313echolog(){
c8e9f801 314 log "$@"
57bd82d4 315 echo "$@"
2ba042a7
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316}
317
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318warn(){
319 log "WARNING: $*"
320 WARNINGS="${WARNINGS}WARNING: $*\n"
321}
322
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323die(){
324 echolog "$@"
325 cat <<EOF
d326cf7f 326
2ba042a7 327If you think configure made a mistake, make sure you are using the latest
4a6a21f5 328version from Git. If the latest version fails, report the problem to the
070c5d0f 329libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 330EOF
e155a21a 331 if disabled logging; then
2ba042a7 332 cat <<EOF
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333Rerun configure with logging enabled (do not use --disable-logging), and
334include the log this produces with your report.
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335EOF
336 else
f69f51b3 337 cat <<EOF
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338Include the log file "$logfile" produced by configure as this will help
339solving the problem.
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340EOF
341 fi
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342 exit 1
343}
344
6c6007d6 345# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 346toupper(){
6c6007d6 347 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
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348}
349
4a5444db 350tolower(){
6c6007d6 351 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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352}
353
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354c_escape(){
355 echo "$*" | sed 's/["\\]/\\\0/g'
356}
357
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358sh_quote(){
359 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 360 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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361 echo "$v"
362}
363
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364cleanws(){
365 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
366}
367
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368filter(){
369 pat=$1
370 shift
371 for v; do
98ef6079 372 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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373 done
374}
375
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376filter_out(){
377 pat=$1
378 shift
379 for v; do
380 eval "case $v in $pat) ;; *) echo $v ;; esac"
381 done
382}
383
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384map(){
385 m=$1
386 shift
e0e335a0 387 for v; do eval $m; done
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388}
389
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390add_suffix(){
391 suffix=$1
392 shift
393 for v; do echo ${v}${suffix}; done
394}
395
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396set_all(){
397 value=$1
398 shift
399 for var in $*; do
400 eval $var=$value
401 done
402}
403
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404set_weak(){
405 value=$1
406 shift
407 for var; do
408 eval : \${$var:=$value}
409 done
410}
411
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412sanitize_var_name(){
413 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
414}
415
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416set_safe(){
417 var=$1
418 shift
f868b24d 419 eval $(sanitize_var_name "$var")='$*'
3f8040db
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420}
421
422get_safe(){
f868b24d 423 eval echo \$$(sanitize_var_name "$1")
3f8040db
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424}
425
799c9e9b 426pushvar(){
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427 for pvar in $*; do
428 eval level=\${${pvar}_level:=0}
429 eval ${pvar}_${level}="\$$pvar"
430 eval ${pvar}_level=$(($level+1))
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431 done
432}
433
434popvar(){
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435 for pvar in $*; do
436 eval level=\${${pvar}_level:-0}
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437 test $level = 0 && continue
438 eval level=$(($level-1))
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439 eval $pvar="\${${pvar}_${level}}"
440 eval ${pvar}_level=$level
441 eval unset ${pvar}_${level}
799c9e9b
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442 done
443}
444
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445enable(){
446 set_all yes $*
447}
448
449disable(){
450 set_all no $*
451}
452
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453enable_weak(){
454 set_weak yes $*
455}
456
457disable_weak(){
458 set_weak no $*
459}
460
72702705 461enable_safe(){
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462 for var; do
463 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
464 done
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465}
466
467disable_safe(){
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468 for var; do
469 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
470 done
72702705
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471}
472
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MR
473do_enable_deep(){
474 for var; do
475 enabled $var && continue
476 eval sel="\$${var}_select"
c510c7b5
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477 eval sgs="\$${var}_suggest"
478 pushvar var sgs
f9d328da 479 enable_deep $sel
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480 popvar sgs
481 enable_deep_weak $sgs
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482 popvar var
483 done
484}
485
486enable_deep(){
487 do_enable_deep $*
488 enable $*
489}
490
72a43668 491enable_deep_weak(){
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MS
492 for var; do
493 disabled $var && continue
494 pushvar var
495 do_enable_deep $var
496 popvar var
497 enable_weak $var
498 done
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499}
500
57bd82d4 501enabled(){
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502 test "${1#!}" = "$1" && op== || op=!=
503 eval test "x\$${1#!}" $op "xyes"
44161118
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504}
505
37970ebf 506disabled(){
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507 test "${1#!}" = "$1" && op== || op=!=
508 eval test "x\$${1#!}" $op "xno"
37970ebf
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509}
510
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511enabled_all(){
512 for opt; do
513 enabled $opt || return 1
514 done
515}
516
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517disabled_all(){
518 for opt; do
519 disabled $opt || return 1
520 done
521}
522
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523enabled_any(){
524 for opt; do
525 enabled $opt && return 0
526 done
527}
528
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529disabled_any(){
530 for opt; do
531 disabled $opt && return 0
532 done
f7b230a7 533 return 1
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DB
534}
535
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536set_default(){
537 for opt; do
88268e94 538 eval : \${$opt:=\$${opt}_default}
c9d19248
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539 done
540}
541
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542is_in(){
543 value=$1
544 shift
545 for var in $*; do
546 [ $var = $value ] && return 0
547 done
548 return 1
549}
550
d4f8cecc 551do_check_deps(){
30fd06be 552 for cfg; do
3250003c 553 cfg="${cfg#!}"
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554 enabled ${cfg}_checking && die "Circular dependency for $cfg."
555 disabled ${cfg}_checking && continue
556 enable ${cfg}_checking
d4f8cecc 557 append allopts $cfg
799c9e9b 558
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559 eval dep_all="\$${cfg}_deps"
560 eval dep_any="\$${cfg}_deps_any"
7ef3425f 561 eval dep_sel="\$${cfg}_select"
c510c7b5 562 eval dep_sgs="\$${cfg}_suggest"
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563 eval dep_ifa="\$${cfg}_if"
564 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 565
3d7453e0 566 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 567 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 568 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 569
3d7453e0
MR
570 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
571 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
572 enabled_all $dep_all || disable $cfg
573 enabled_any $dep_any || disable $cfg
7ef3425f 574 disabled_any $dep_sel && disable $cfg
799c9e9b 575
4ec45764 576 if enabled $cfg; then
f9d328da 577 enable_deep $dep_sel
c510c7b5 578 enable_deep_weak $dep_sgs
4ec45764
RP
579 fi
580
799c9e9b 581 disable ${cfg}_checking
30fd06be
MR
582 done
583}
584
d4f8cecc
MR
585check_deps(){
586 unset allopts
587
588 do_check_deps "$@"
589
590 for cfg in $allopts; do
591 enabled $cfg || continue
592 eval dep_extralibs="\$${cfg}_extralibs"
593 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
594 done
595}
596
44161118
MR
597print_config(){
598 pfx=$1
72cfcf41
MR
599 files=$2
600 shift 2
f454e879
MR
601 map 'eval echo "$v \${$v:-no}"' "$@" |
602 awk "BEGIN { split(\"$files\", files) }
603 {
604 c = \"$pfx\" toupper(\$1);
605 v = \$2;
606 sub(/yes/, 1, v);
607 sub(/no/, 0, v);
608 for (f in files) {
609 file = files[f];
610 if (file ~ /\\.h\$/) {
611 printf(\"#define %s %d\\n\", c, v) >>file;
612 } else if (file ~ /\\.asm\$/) {
613 printf(\"%%define %s %d\\n\", c, v) >>file;
614 } else if (file ~ /\\.mak\$/) {
d16c4aeb 615 n = -v ? \"\" : \"!\";
f454e879
MR
616 printf(\"%s%s=yes\\n\", n, c) >>file;
617 }
618 }
619 }"
57bd82d4
MR
620}
621
31c0121d 622print_enabled(){
31c0121d
MR
623 suf=$1
624 shift
625 for v; do
9eda2a85 626 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
627 done
628}
629
57bd82d4
MR
630append(){
631 var=$1
632 shift
57bd82d4
MR
633 eval "$var=\"\$$var $*\""
634}
635
60361817
MR
636prepend(){
637 var=$1
638 shift
639 eval "$var=\"$* \$$var\""
640}
641
50a334e4 642add_cppflags(){
cd52ec95 643 append CPPFLAGS "$@"
50a334e4
MR
644}
645
57bd82d4 646add_cflags(){
01d31e16 647 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
648}
649
2f2e6c7c 650add_asflags(){
01d31e16 651 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
652}
653
57bd82d4 654add_ldflags(){
64933b6c 655 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
656}
657
658add_extralibs(){
64933b6c 659 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
660}
661
4cc4b33f
DB
662add_host_cppflags(){
663 append host_cppflags "$@"
664}
665
6c3fa06a
MR
666add_host_cflags(){
667 append host_cflags $($host_cflags_filter "$@")
668}
669
670add_host_ldflags(){
671 append host_ldflags $($host_ldflags_filter "$@")
672}
673
84e65c76
MR
674add_compat(){
675 append compat_objs $1
676 shift
677 map 'add_cppflags -D$v' "$@"
678}
679
b0cfb663 680check_cmd(){
b3cb5d51 681 log "$@"
2270b4b2 682 "$@" >> $logfile 2>&1
b0cfb663
MR
683}
684
b2704a65
MR
685cc_o(){
686 eval printf '%s\\n' $CC_O
687}
688
18031c49
MR
689cc_e(){
690 eval printf '%s\\n' $CC_E
691}
692
dcd479c0 693check_cc(){
57bd82d4 694 log check_cc "$@"
2270b4b2 695 cat > $TMPC
720c69da 696 log_file $TMPC
23565c26 697 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
698}
699
700check_cpp(){
701 log check_cpp "$@"
2270b4b2 702 cat > $TMPC
720c69da 703 log_file $TMPC
18031c49 704 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
705}
706
df0d6341
MR
707as_o(){
708 eval printf '%s\\n' $AS_O
709}
710
f65883c8
MR
711check_as(){
712 log check_as "$@"
7fd90119
MR
713 cat > $TMPS
714 log_file $TMPS
715 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
716}
717
575db883
DB
718check_inline_asm(){
719 log check_inline_asm "$@"
940f335a 720 name="$1"
3784e82e 721 code="$2"
940f335a 722 shift 2
49214f61 723 disable $name
7fd90119 724 check_cc "$@" <<EOF && enable $name
3784e82e 725void foo(void){ __asm__ volatile($code); }
940f335a
MR
726EOF
727}
728
c6ebc9fa
MR
729check_insn(){
730 log check_insn "$@"
731 check_inline_asm ${1}_inline "\"$2\""
732 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
733}
734
304d586d
LM
735check_yasm(){
736 log check_yasm "$@"
737 echo "$1" > $TMPS
738 log_file $TMPS
739 shift 1
740 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
741}
742
29b64b68
MR
743ld_o(){
744 eval printf '%s\\n' $LD_O
745}
746
dcd479c0 747check_ld(){
57bd82d4 748 log check_ld "$@"
66a1ccd7
MR
749 flags=$(filter_out '-l*' "$@")
750 libs=$(filter '-l*' "$@")
01d31e16 751 check_cc $($cflags_filter $flags) || return
64933b6c
MR
752 flags=$($ldflags_filter $flags)
753 libs=$($ldflags_filter $libs)
29b64b68 754 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
755}
756
5adc829e
MR
757check_code(){
758 log check_code "$@"
759 check=$1
760 headers=$2
761 code=$3
762 shift 3
763 {
764 for hdr in $headers; do
765 echo "#include <$hdr>"
766 done
767 echo "int main(void) { $code; return 0; }"
768 } | check_$check "$@"
769}
770
50a334e4
MR
771check_cppflags(){
772 log check_cppflags "$@"
caf458dd 773 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
774int x;
775EOF
776}
777
dcd479c0 778check_cflags(){
57bd82d4 779 log check_cflags "$@"
01d31e16 780 set -- $($cflags_filter "$@")
caf458dd 781 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
782int x;
783EOF
784}
785
2ed46eea
MR
786test_ldflags(){
787 log test_ldflags "$@"
788 check_ld "$@" <<EOF
c23a0ac8 789int main(void){ return 0; }
dcd479c0
MR
790EOF
791}
792
2ed46eea
MR
793check_ldflags(){
794 log check_ldflags "$@"
795 test_ldflags "$@" && add_ldflags "$@"
796}
797
dcd479c0 798check_header(){
57bd82d4 799 log check_header "$@"
dcd479c0
MR
800 header=$1
801 shift
b77df637
MR
802 disable_safe $header
803 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
804#include <$header>
805int x;
806EOF
807}
808
809check_func(){
57bd82d4 810 log check_func "$@"
dcd479c0
MR
811 func=$1
812 shift
d8bc5f06
MR
813 disable $func
814 check_ld "$@" <<EOF && enable $func
dcd479c0 815extern int $func();
c23a0ac8 816int main(void){ $func(); }
dcd479c0
MR
817EOF
818}
819
645d2652 820check_mathfunc(){
6b73c0ae 821 log check_mathfunc "$@"
645d2652 822 func=$1
1aa07aa2
MR
823 narg=$2
824 shift 2
825 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
826 disable $func
827 check_ld "$@" <<EOF && enable $func
828#include <math.h>
1aa07aa2 829float foo(float f, float g) { return $func($args); }
33bd38db 830int main(void){ return 0; }
645d2652
MR
831EOF
832}
833
2446d3d6
DB
834check_func_headers(){
835 log check_func_headers "$@"
f8d7b072 836 headers=$1
edaf1ae2 837 funcs=$2
f8d7b072 838 shift 2
edaf1ae2
MR
839 {
840 for hdr in $headers; do
841 echo "#include <$hdr>"
842 done
843 for func in $funcs; do
844 echo "long check_$func(void) { return (long) $func; }"
845 done
846 echo "int main(void) { return 0; }"
847 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
848}
849
a5344cf7
SS
850check_cpp_condition(){
851 log check_cpp_condition "$@"
852 header=$1
853 condition=$2
f855b7b9 854 shift 2
cd52ec95 855 check_cpp "$@" <<EOF
a5344cf7
SS
856#include <$header>
857#if !($condition)
858#error "unsatisfied condition: $condition"
859#endif
860EOF
861}
862
57bd82d4
MR
863check_lib(){
864 log check_lib "$@"
865 header="$1"
866 func="$2"
867 shift 2
84400e9d 868 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
869}
870
f8d7b072
MR
871check_lib2(){
872 log check_lib2 "$@"
873 headers="$1"
edaf1ae2 874 funcs="$2"
f8d7b072 875 shift 2
edaf1ae2 876 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
877}
878
3f8040db
MR
879check_pkg_config(){
880 log check_pkg_config "$@"
881 pkg="$1"
882 headers="$2"
883 funcs="$3"
884 shift 3
885 $pkg_config --exists $pkg || return
886 pkg_cflags=$($pkg_config --cflags $pkg)
887 pkg_libs=$($pkg_config --libs $pkg)
888 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
889 set_safe ${pkg}_cflags $pkg_cflags &&
890 set_safe ${pkg}_libs $pkg_libs
891}
892
dcd479c0 893check_exec(){
2270b4b2 894 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
895}
896
7dfef245 897check_exec_crash(){
5e622c40 898 code=$(cat)
7dfef245
MR
899
900 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
901 # are safe but may not be available everywhere. Thus we use
902 # raise(SIGTERM) instead. The check is run in a subshell so we
903 # can redirect the "Terminated" message from the shell. SIGBUS
904 # is not defined by standard C so it is used conditionally.
905
2270b4b2 906 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
907#include <signal.h>
908static void sighandler(int sig){
909 raise(SIGTERM);
910}
692dd8ed
MR
911int foo(void){
912 $code
913}
e5af4a11 914int main(void){
7dfef245
MR
915 signal(SIGILL, sighandler);
916 signal(SIGFPE, sighandler);
917 signal(SIGSEGV, sighandler);
918#ifdef SIGBUS
919 signal(SIGBUS, sighandler);
920#endif
692dd8ed 921 foo();
7dfef245
MR
922}
923EOF
924}
925
72be9e73
DY
926check_type(){
927 log check_type "$@"
928 headers=$1
929 type=$2
930 shift 2
ae550ce9 931 disable_safe "$type"
5adc829e 932 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
933}
934
14d36751 935check_struct(){
813b82b9 936 log check_struct "$@"
14d36751
MR
937 headers=$1
938 struct=$2
939 member=$3
940 shift 3
941 disable_safe "${struct}_${member}"
5adc829e
MR
942 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
943 enable_safe "${struct}_${member}"
14d36751
MR
944}
945
9c7d85b3
DB
946check_builtin(){
947 log check_builtin "$@"
948 name=$1
949 headers=$2
950 builtin=$3
951 shift 3
952 disable "$name"
953 check_code ld "$headers" "$builtin" "$@" && enable "$name"
954}
955
57bd82d4
MR
956require(){
957 name="$1"
958 header="$2"
959 func="$3"
960 shift 3
961 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
962}
963
f8d7b072
MR
964require2(){
965 name="$1"
966 headers="$2"
967 func="$3"
968 shift 3
969 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
970}
971
3f8040db
MR
972require_pkg_config(){
973 pkg="$1"
974 check_pkg_config "$@" || die "ERROR: $pkg not found"
975 add_cflags $(get_safe ${pkg}_cflags)
976 add_extralibs $(get_safe ${pkg}_libs)
977}
978
ae43c4c0
MR
979hostcc_o(){
980 eval printf '%s\\n' $HOSTCC_O
981}
982
f0125de9
MR
983check_host_cc(){
984 log check_host_cc "$@"
985 cat > $TMPC
986 log_file $TMPC
ae43c4c0 987 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
988}
989
4cc4b33f
DB
990check_host_cppflags(){
991 log check_host_cppflags "$@"
992 check_host_cc "$@" <<EOF && append host_cppflags "$@"
993int x;
994EOF
995}
996
f0125de9
MR
997check_host_cflags(){
998 log check_host_cflags "$@"
6c3fa06a 999 set -- $($host_cflags_filter "$@")
f0125de9
MR
1000 check_host_cc "$@" <<EOF && append host_cflags "$@"
1001int x;
1002EOF
1003}
1004
c505dd31
MR
1005apply(){
1006 file=$1
1007 shift
1008 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1009}
1010
c34681df 1011cp_if_changed(){
5e27ec28
MR
1012 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1013 mkdir -p "$(dirname $2)"
4ebc6a74 1014 $cp_f "$1" "$2"
c34681df
MR
1015}
1016
dcd61286
DB
1017# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1018# system-dependent things.
1019
4a0d6686
AJ
1020COMPONENT_LIST="
1021 bsfs
1022 decoders
1023 demuxers
1024 encoders
3cde40aa 1025 filters
5666fd73 1026 hwaccels
c552605c 1027 indevs
4a0d6686 1028 muxers
c552605c 1029 outdevs
4a0d6686
AJ
1030 parsers
1031 protocols
1032"
1033
3fc09b00
MR
1034EXTERNAL_LIBRARY_LIST="
1035 avisynth
1036 bzlib
1037 frei0r
1038 gnutls
1039 libcdio
1040 libdc1394
1041 libfaac
1042 libfdk_aac
1043 libfreetype
1044 libgsm
1045 libilbc
1046 libmp3lame
1047 libopencore_amrnb
1048 libopencore_amrwb
1049 libopencv
1050 libopenjpeg
1051 libopus
1052 libpulse
1053 librtmp
1054 libschroedinger
1055 libspeex
1056 libtheora
1057 libvo_aacenc
1058 libvo_amrwbenc
1059 libvorbis
1060 libvpx
1061 libx264
1062 libxavs
1063 libxvid
1064 openssl
1065 x11grab
1066 zlib
1067"
1068
70b348ec
DB
1069HWACCEL_LIST="
1070 dxva2
1071 vaapi
1072 vda
1073 vdpau
1074"
d89f2fa9
DB
1075LIBRARY_LIST="
1076 avcodec
1077 avdevice
1078 avfilter
1079 avformat
1080 avresample
1081 avutil
1082 swscale
1083"
1084
055c61b8
DB
1085PROGRAM_LIST="
1086 avconv
1087 avplay
1088 avprobe
1089 avserver
055c61b8
DB
1090"
1091
4a0d6686
AJ
1092CONFIG_LIST="
1093 $COMPONENT_LIST
3fc09b00 1094 $EXTERNAL_LIBRARY_LIST
70b348ec 1095 $HWACCEL_LIST
d89f2fa9 1096 $LIBRARY_LIST
055c61b8 1097 $PROGRAM_LIST
7f3f5f46 1098 dct
c73f65d9 1099 doc
0b499c9b 1100 error_resilience
1848f7d9 1101 fft
c88f5d72 1102 gpl
d8d0d0b2 1103 gray
3abe5fbd 1104 hardcoded_tables
b781cc12 1105 lsp
2a91ada8 1106 lzo
47a158cb 1107 mdct
c88f5d72 1108 memalign_hack
c88f5d72 1109 network
3fe142e2 1110 nonfree
8a3c8627 1111 pic
68602540 1112 rdft
e90f5b5a 1113 runtime_cpudetect
8cfbbd92 1114 safe_bitstream_reader
2e35e684 1115 shared
bd2216e4 1116 small
6b35d421 1117 sram
2e35e684 1118 static
a9ddb5b1 1119 swscale_alpha
8986fddc 1120 thumb
9cad0e4e 1121 version3
7e4d9d5d 1122 xmm_clobber_test
4a0d6686 1123"
c88f5d72 1124
8eee7025 1125THREADS_LIST='
8eee7025
DB
1126 pthreads
1127 w32threads
1128'
1129
f9f6402e
AK
1130ATOMICS_LIST='
1131 atomics_gcc
f9f6402e 1132 atomics_suncc
93e65e9a 1133 atomics_win32
f9f6402e
AK
1134'
1135
3f5b56e5 1136ARCH_LIST='
5873b623 1137 aarch64
3f5b56e5 1138 alpha
a2fc0f6a 1139 arm
fdcd782d
MR
1140 avr32
1141 avr32_ap
1142 avr32_uc
3f5b56e5
MR
1143 bfin
1144 ia64
1145 m68k
1146 mips
bae3abb0 1147 mips64
3f5b56e5 1148 parisc
79cb09b2 1149 ppc
34d11b87 1150 ppc64
3f5b56e5
MR
1151 s390
1152 sh4
1153 sparc
1154 sparc64
c75848cd
DB
1155 tilegx
1156 tilepro
0844bae1 1157 tomi
3f5b56e5
MR
1158 x86
1159 x86_32
1160 x86_64
1161'
1162
81dfa21e
MR
1163ARCH_EXT_LIST_ARM='
1164 armv5te
1165 armv6
1166 armv6t2
81dfa21e 1167 neon
b3267559 1168 vfp
81dfa21e
MR
1169 vfpv3
1170'
1171
50cd43f2 1172ARCH_EXT_LIST_X86='
3bf96eec 1173 amd3dnow
a1ef9f08 1174 amd3dnowext
50cd43f2
DB
1175 avx
1176 fma4
1177 mmx
1178 mmxext
1179 sse
1180 sse2
1181 sse3
1182 sse4
1183 sse42
1184 ssse3
1185'
1186
1187ARCH_EXT_LIST="
81dfa21e 1188 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1189 $ARCH_EXT_LIST_X86
1190 altivec
799fde37 1191 ppc4xx
bd9d34a0 1192 vis
50cd43f2 1193"
3f5b56e5 1194
fd712a55
DB
1195HAVE_LIST_CMDLINE='
1196 inline_asm
1197 symver
1198 yasm
1199'
1200
a3e02a8c
MR
1201HAVE_LIST_PUB='
1202 bigendian
d268eee9 1203 fast_unaligned
a3e02a8c
MR
1204'
1205
79042ab3 1206MATH_FUNCS="
fab0a8b2
MR
1207 atanf
1208 atan2f
79042ab3 1209 cbrtf
fab0a8b2 1210 cosf
79042ab3
DB
1211 exp2
1212 exp2f
fab0a8b2 1213 expf
79042ab3
DB
1214 isinf
1215 isnan
fab0a8b2 1216 ldexpf
79042ab3
DB
1217 llrint
1218 llrintf
1219 log2
1220 log2f
fab0a8b2 1221 log10f
79042ab3
DB
1222 lrint
1223 lrintf
fab0a8b2 1224 powf
79042ab3
DB
1225 rint
1226 round
1227 roundf
fab0a8b2 1228 sinf
79042ab3
DB
1229 trunc
1230 truncf
1231"
1232
3f5b56e5
MR
1233HAVE_LIST="
1234 $ARCH_EXT_LIST
43b73d59
DB
1235 $(add_suffix _external $ARCH_EXT_LIST)
1236 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1237 $HAVE_LIST_CMDLINE
a3e02a8c 1238 $HAVE_LIST_PUB
3f5b56e5 1239 $THREADS_LIST
f9f6402e 1240 $ATOMICS_LIST
79042ab3 1241 $MATH_FUNCS
be1a839c 1242 aligned_malloc
59782b82 1243 aligned_stack
35fd8122 1244 alsa_asoundlib_h
3f5b56e5 1245 altivec_h
c9fdab0d 1246 arpa_inet_h
ec9d2c15 1247 asm_mod_q
6308729e 1248 asm_mod_y
817dff57 1249 atomic_cas_ptr
f9f6402e 1250 atomics_native
dffb41b9 1251 attribute_may_alias
e7ea5e3d 1252 attribute_packed
43e0e0c4
LB
1253 cdio_paranoia_h
1254 cdio_paranoia_paranoia_h
ecf97f22 1255 closesocket
1ac9331a 1256 cmov
15caccb9 1257 CommandLineToArgvW
180d43bc 1258 cpunop
1093383d 1259 CryptGenRandom
c88f5d72 1260 dcbzl
f8aa696f
DB
1261 dev_bktr_ioctl_bt848_h
1262 dev_bktr_ioctl_meteor_h
1263 dev_ic_bt8xx_h
f8aa696f 1264 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1265 dev_video_meteor_ioctl_meteor_h
ca6b544a 1266 direct_h
18b67ae5 1267 dlfcn_h
c88f5d72 1268 dlopen
bc574408 1269 dos_paths
fa845061 1270 dxva_h
245626d0
DB
1271 ebp_available
1272 ebx_available
c2a29455 1273 fast_64bit
669b5583 1274 fast_clz
7073e9fc 1275 fast_cmov
534a2231 1276 fcntl
9d99cc5a 1277 fork
84882df6 1278 getaddrinfo
da9e86f8 1279 gethrtime
667fb97a 1280 getopt
02e8f427 1281 GetProcessAffinityMask
fc5607f8 1282 GetProcessMemoryInfo
4e68cb8a 1283 GetProcessTimes
61183b5a 1284 GetSystemTimeAsFileTime
66be5b45 1285 getrusage
c3e73100 1286 getservbyport
61183b5a 1287 gettimeofday
a49d3025 1288 gnu_as
c7df1532 1289 gsm_h
2f0c136e 1290 ibm_asm
2e1913b1 1291 inet_aton
3b1ab197 1292 io_h
abfc8d05 1293 isatty
8772997d 1294 jack_port_get_latency_range
9f5ff83f 1295 ldbrx
0b4a1821
AS
1296 libdc1394_1
1297 libdc1394_2
d96cd429
MR
1298 local_aligned_16
1299 local_aligned_8
a5b64584 1300 localtime_r
85dd97ad 1301 loongson
f8aa696f
DB
1302 machine_ioctl_bt848_h
1303 machine_ioctl_meteor_h
65f1d45d 1304 machine_rw_barrier
c88f5d72 1305 malloc_h
73f6d31e 1306 MapViewOfFile
c88f5d72 1307 memalign
65f1d45d 1308 MemoryBarrier
6ffa87d3 1309 mkstemp
f80ddd5b 1310 mm_empty
0328b9ea 1311 mmap
e98b02de 1312 mprotect
4fa661a8 1313 msvcrt
d3d3a32c 1314 nanosleep
3e0b1c9a 1315 poll_h
1f91cdce 1316 posix_memalign
07b28702 1317 rdtsc
ea4d5f48 1318 sched_getaffinity
c88f5d72 1319 sdl
7e6a11bc 1320 SetConsoleTextAttribute
b507ebd1 1321 setmode
3e0b1c9a 1322 setrlimit
d3d3a32c 1323 Sleep
15d59d2c 1324 sndio_h
72be9e73 1325 socklen_t
deb29777 1326 soundcard_h
87958234 1327 strerror_r
6379900c 1328 strptime
47941088 1329 strtok_r
c0018613 1330 struct_addrinfo
75d339e0
MS
1331 struct_group_source_req
1332 struct_ip_mreq_source
b4d68544 1333 struct_ipv6_mreq
cdee08e3 1334 struct_pollfd
3e0b1c9a 1335 struct_rusage_ru_maxrss
b4d68544 1336 struct_sockaddr_in6
3b2372bf 1337 struct_sockaddr_sa_len
33a4dbdd 1338 struct_sockaddr_storage
a6a4793d 1339 struct_v4l2_frmivalenum_discrete
b462d132 1340 symver_asm_label
3e0b1c9a 1341 symver_gnu_asm
e460aa32 1342 sync_val_compare_and_swap
bcc73960 1343 sysconf
b9e22269 1344 sysctl
b58412f1 1345 sys_mman_h
06bb5905 1346 sys_param_h
b091aa44 1347 sys_resource_h
81644c2e 1348 sys_select_h
deb29777 1349 sys_soundcard_h
e64bceea 1350 sys_time_h
1b6e8b73 1351 sys_videoio_h
b265431e 1352 threads
542920b7 1353 unistd_h
d3d3a32c 1354 usleep
ce742de2 1355 vfp_args
7c5bfe7a 1356 VirtualAlloc
d3d3a32c 1357 windows_h
6ff3f3e7 1358 winsock2_h
cc078b5d 1359 xform_asm
6f74fb03 1360 xmm_clobbers
0cb78cef 1361"
44161118 1362
511cf612 1363# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1364CONFIG_EXTRA="
87849592 1365 aandcttables
bfe9f48a 1366 ac3dsp
aa11cb79 1367 audio_frame_queue
b93b27ed 1368 dsputil
bfe9f48a 1369 gcrypt
478fd534 1370 golomb
9cad0e4e 1371 gplv3
478fd534
DB
1372 h264chroma
1373 h264dsp
1374 h264pred
915a2a0a 1375 h264qpel
68d8238c 1376 hpeldsp
478fd534 1377 huffman
9cad0e4e 1378 lgplv3
478fd534 1379 lpc
1e164c0b 1380 mpegaudio
bfe9f48a 1381 mpegaudiodsp
18bbca1f 1382 mpegvideo
ad08dfd5 1383 mpegvideoenc
bfe9f48a 1384 nettle
f704a079 1385 rangecoder
bfe9f48a 1386 rtpdec
5ad2f0bf 1387 rtpenc_chain
bfe9f48a 1388 sinewin
8c53d39e 1389 videodsp
ab9f9876 1390 vp3dsp
b6bb00b0
MR
1391"
1392
520cc7f1 1393CMDLINE_SELECT="
3f5b56e5 1394 $ARCH_EXT_LIST
520cc7f1 1395 $CONFIG_LIST
fd712a55 1396 $HAVE_LIST_CMDLINE
8eee7025 1397 $THREADS_LIST
c8a4ae00 1398 asm
db6107b6 1399 cross_compile
520cc7f1
MR
1400 debug
1401 extra_warnings
8c6afa4d 1402 logging
65d12900 1403 lto
d2bbb2f7 1404 optimizations
520cc7f1 1405"
426be5dc
DB
1406
1407PATHS_LIST='
d156bede 1408 bindir
14a8acf1 1409 datadir
26759c44
MR
1410 incdir
1411 libdir
26759c44
MR
1412 mandir
1413 prefix
1414 shlibdir
426be5dc
DB
1415'
1416
1417CMDLINE_SET="
1418 $PATHS_LIST
121d78d0 1419 ar
426be5dc 1420 arch
313c46a6 1421 as
426be5dc
DB
1422 build_suffix
1423 cc
1424 cpu
1425 cross_prefix
50567afa 1426 dep_cc
ac63af34 1427 extra_version
9da6609f
MR
1428 host_cc
1429 host_cflags
095792f2 1430 host_ld
9da6609f
MR
1431 host_ldflags
1432 host_libs
82bb3329 1433 host_os
684b28e0 1434 ld
426be5dc 1435 logfile
4ae40685 1436 malloc_prefix
89641463 1437 nm
9cd7b854 1438 optflags
3f8040db 1439 pkg_config
154caa67 1440 random_seed
2fad0977 1441 samples
c5200f17
MR
1442 sysinclude
1443 sysroot
a7ada2ba 1444 target_exec
26759c44 1445 target_os
a7ada2ba 1446 target_path
aeeb782c 1447 toolchain
426be5dc 1448"
520cc7f1 1449
89f2932b
MR
1450CMDLINE_APPEND="
1451 extra_cflags
4cc4b33f 1452 host_cppflags
89f2932b
MR
1453"
1454
912f3148
DB
1455# code dependency declarations
1456
9eeed841 1457# architecture extensions
808fa33c 1458
a2fc0f6a
MR
1459armv5te_deps="arm"
1460armv6_deps="arm"
ab5cb084 1461armv6t2_deps="arm"
808fa33c 1462neon_deps="arm"
b3267559
MR
1463vfp_deps="arm"
1464vfpv3_deps="vfp"
808fa33c 1465
637606de
MR
1466map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1467
808fa33c
MR
1468altivec_deps="ppc"
1469ppc4xx_deps="ppc"
1470
1471vis_deps="sparc"
1472
7f8c3d1f 1473x86_64_suggest="cmov fast_cmov"
50cd43f2 1474
808fa33c
MR
1475amd3dnow_deps="mmx"
1476amd3dnowext_deps="amd3dnow"
9eeed841 1477mmx_deps="x86"
239fdf1b 1478mmxext_deps="mmx"
50cd43f2
DB
1479sse_deps="mmxext"
1480sse2_deps="sse"
1481sse3_deps="sse2"
1482ssse3_deps="sse3"
1483sse4_deps="ssse3"
1484sse42_deps="sse4"
1485avx_deps="sse42"
79687079 1486fma4_deps="avx"
9eeed841 1487
43b73d59
DB
1488mmx_external_deps="yasm"
1489mmx_inline_deps="inline_asm"
1490mmx_suggest="mmx_external mmx_inline"
1491
1492for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1493 eval dep=\$${ext}_deps
1494 eval ${ext}_external_deps='"${dep}_external"'
1495 eval ${ext}_inline_deps='"${dep}_inline"'
1496 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1497done
1498
59782b82 1499aligned_stack_if_any="ppc x86"
e939cedd 1500fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1501fast_clz_if_any="alpha avr32 mips ppc x86"
1502fast_unaligned_if_any="ppc x86"
669b5583 1503
6fec122a 1504inline_asm_deps="!tms470"
3e0b1c9a 1505need_memalign="altivec neon sse"
89e053f8 1506
b462d132
MR
1507symver_if_any="symver_asm_label symver_gnu_asm"
1508
88a35699
MS
1509log2_deps="!msvcrt"
1510
26fbcc85 1511# subsystems
dc609252 1512dct_select="rdft"
b93b27ed
RB
1513error_resilience_select="dsputil"
1514lpc_select="dsputil"
26fbcc85
MR
1515mdct_select="fft"
1516rdft_select="fft"
1e164c0b 1517mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1518mpegaudiodsp_select="dct"
f4fed5a2 1519mpegvideo_select="dsputil hpeldsp videodsp"
ad08dfd5 1520mpegvideoenc_select="mpegvideo"
26fbcc85 1521
ed40b6bf 1522# decoders / encoders
cfc2a0cf 1523aac_decoder_select="mdct sinewin"
aa11cb79 1524aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1525aac_latm_decoder_select="aac_decoder aac_latm_parser"
b93b27ed
RB
1526ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1527ac3_encoder_select="mdct ac3dsp dsputil"
1528ac3_fixed_encoder_select="mdct ac3dsp dsputil"
f4d608e3 1529alac_encoder_select="lpc"
b93b27ed 1530als_decoder_select="dsputil"
b781cc12 1531amrnb_decoder_select="lsp"
2b2a597e 1532amrwb_decoder_select="lsp"
28bc406c 1533amv_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1534ape_decoder_select="dsputil"
1535asv1_decoder_select="dsputil"
1536asv1_encoder_select="dsputil"
1537asv2_decoder_select="dsputil"
1538asv2_encoder_select="dsputil"
4538729a 1539atrac1_decoder_select="mdct sinewin"
26fbcc85 1540atrac3_decoder_select="mdct"
0f0a11d5 1541bink_decoder_select="dsputil hpeldsp"
a33657ce
DB
1542binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1543binkaudio_rdft_decoder_select="mdct rdft sinewin"
b93b27ed
RB
1544cavs_decoder_select="dsputil golomb h264chroma videodsp"
1545cllc_decoder_select="dsputil"
9b500b8f 1546comfortnoise_encoder_select="lpc"
b93b27ed 1547cook_decoder_select="dsputil mdct sinewin"
2a91ada8 1548cscd_decoder_select="lzo"
2eef7c62 1549cscd_decoder_suggest="zlib"
26fbcc85 1550dca_decoder_select="mdct"
b93b27ed
RB
1551dnxhd_decoder_select="dsputil"
1552dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1553dvvideo_decoder_select="dsputil"
1554dvvideo_encoder_select="dsputil"
2eef7c62 1555dxa_decoder_select="zlib"
baf91bb9 1556eac3_decoder_select="ac3_decoder"
4264a0dd 1557eac3_encoder_select="ac3_encoder"
b93b27ed
RB
1558eamad_decoder_select="aandcttables dsputil mpegvideo"
1559eatgq_decoder_select="aandcttables dsputil"
cfe5908a 1560eatqi_decoder_select="aandcttables error_resilience mpegvideo"
b93b27ed
RB
1561ffv1_decoder_select="dsputil golomb rangecoder"
1562ffv1_encoder_select="dsputil rangecoder"
1563ffvhuff_decoder_select="dsputil"
1564ffvhuff_encoder_select="dsputil huffman"
4f034993 1565flac_decoder_select="golomb"
b93b27ed 1566flac_encoder_select="dsputil golomb lpc"
2eef7c62
AJ
1567flashsv_decoder_select="zlib"
1568flashsv_encoder_select="zlib"
c2d23309 1569flashsv2_decoder_select="zlib"
4414137e 1570flv_decoder_select="h263_decoder"
4d4b4bd1 1571flv_encoder_select="h263_encoder"
b93b27ed
RB
1572fourxm_decoder_select="dsputil"
1573fraps_decoder_select="dsputil huffman"
c292f6a2 1574h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1575h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1576h263_decoder_select="error_resilience h263_parser mpegvideo"
06b54e84 1577h263_encoder_select="aandcttables mpegvideoenc"
4414137e 1578h263i_decoder_select="h263_decoder"
fe629c2d 1579h263p_encoder_select="h263_encoder"
0b499c9b
RB
1580h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1581h264_decoder_suggest="error_resilience"
b93b27ed
RB
1582huffyuv_decoder_select="dsputil"
1583huffyuv_encoder_select="dsputil huffman"
1584iac_decoder_select="dsputil fft mdct sinewin"
1585imc_decoder_select="dsputil fft mdct sinewin"
8f992dc8 1586indeo3_decoder_select="hpeldsp"
8071264f 1587interplay_video_decoder_select="hpeldsp"
28bc406c 1588jpegls_decoder_select="dsputil golomb hpeldsp"
4f034993 1589jpegls_encoder_select="golomb"
b93b27ed
RB
1590jv_decoder_select="dsputil"
1591lagarith_decoder_select="dsputil"
ad08dfd5 1592ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1593loco_decoder_select="golomb"
b93b27ed 1594mdec_decoder_select="dsputil error_resilience mpegvideo"
c1047003 1595mimic_decoder_select="dsputil hpeldsp"
28bc406c
RB
1596mjpeg_decoder_select="dsputil hpeldsp"
1597mjpegb_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1598mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1599mlp_decoder_select="dsputil mlp_parser"
1600motionpixels_decoder_select="dsputil"
1e164c0b
DB
1601mp1_decoder_select="mpegaudio"
1602mp1float_decoder_select="mpegaudio"
1603mp2_decoder_select="mpegaudio"
1604mp2float_decoder_select="mpegaudio"
1605mp3_decoder_select="mpegaudio"
1606mp3adu_decoder_select="mpegaudio"
1607mp3adufloat_decoder_select="mpegaudio"
1608mp3float_decoder_select="mpegaudio"
1609mp3on4_decoder_select="mpegaudio"
1610mp3on4float_decoder_select="mpegaudio"
b93b27ed
RB
1611mpc7_decoder_select="dsputil mpegaudiodsp"
1612mpc8_decoder_select="dsputil mpegaudiodsp"
3e0b1c9a 1613mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1614mpeg_xvmc_decoder_select="mpeg2video_decoder"
c292f6a2 1615mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1616mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1617mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1618mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1619mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1620mpeg4_encoder_select="h263_encoder"
4414137e 1621msmpeg4v1_decoder_select="h263_decoder"
4414137e 1622msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1623msmpeg4v2_encoder_select="h263_encoder"
4414137e 1624msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1625msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1626mss2_decoder_select="error_resilience vc1_decoder"
28bc406c 1627mxpeg_decoder_select="dsputil hpeldsp"
4538729a 1628nellymoser_decoder_select="mdct sinewin"
aa11cb79 1629nellymoser_encoder_select="audio_frame_queue mdct sinewin"
b93b27ed
RB
1630nuv_decoder_select="dsputil lzo"
1631png_decoder_select="dsputil zlib"
1632png_encoder_select="dsputil zlib"
1633prores_decoder_select="dsputil"
1634prores_encoder_select="dsputil"
b781cc12 1635qcelp_decoder_select="lsp"
c4f5c2d6 1636qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1637ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1638ralf_decoder_select="golomb"
06b54e84 1639rv10_decoder_select="error_resilience h263_decoder"
b2bf38b4 1640rv10_encoder_select="h263_encoder"
06b54e84 1641rv20_decoder_select="error_resilience h263_decoder"
b2bf38b4 1642rv20_encoder_select="h263_encoder"
870add0d
DB
1643rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1644rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1645shorten_decoder_select="golomb"
b781cc12 1646sipr_decoder_select="lsp"
28bc406c 1647sp5x_decoder_select="dsputil hpeldsp"
6caa44aa 1648svq1_decoder_select="hpeldsp"
1277dc07 1649svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2f6bc5f7 1650svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
0b499c9b 1651svq3_decoder_suggest="error_resilience zlib"
b93b27ed 1652tak_decoder_select="dsputil"
4eef77c1 1653theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1654tiff_decoder_suggest="zlib"
1655tiff_encoder_suggest="zlib"
28bc406c 1656thp_decoder_select="dsputil hpeldsp"
aec09a00 1657truehd_decoder_select="mlp_decoder"
b93b27ed
RB
1658truemotion2_decoder_select="dsputil"
1659truespeech_decoder_select="dsputil"
2eef7c62 1660tscc_decoder_select="zlib"
4538729a 1661twinvq_decoder_select="mdct lsp sinewin"
b93b27ed
RB
1662utvideo_decoder_select="dsputil"
1663utvideo_encoder_select="dsputil huffman"
1664vble_decoder_select="dsputil"
06b54e84 1665vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
45ecda85 1666vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1667vorbis_decoder_select="mdct"
1668vorbis_encoder_select="mdct"
3bd062bf 1669vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1670vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1671vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1672vp6a_decoder_select="vp6_decoder"
1673vp6f_decoder_select="vp6_decoder"
8c53d39e 1674vp8_decoder_select="h264pred videodsp"
4538729a
MR
1675wmapro_decoder_select="mdct sinewin"
1676wmav1_decoder_select="mdct sinewin"
1677wmav1_encoder_select="mdct sinewin"
1678wmav2_decoder_select="mdct sinewin"
1679wmav2_encoder_select="mdct sinewin"
1680wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1681wmv1_decoder_select="h263_decoder"
665507aa 1682wmv1_encoder_select="h263_encoder"
870add0d 1683wmv2_decoder_select="h263_decoder videodsp"
1746e2a9 1684wmv2_encoder_select="h263_encoder"
015f8ee0 1685wmv3_decoder_select="vc1_decoder"
45ecda85 1686wmv3image_decoder_select="wmv3_decoder"
0e714f88 1687zerocodec_decoder_select="zlib"
2eef7c62
AJ
1688zlib_decoder_select="zlib"
1689zlib_encoder_select="zlib"
1690zmbv_decoder_select="zlib"
1691zmbv_encoder_select="zlib"
30fd06be 1692
ed40b6bf 1693# hardware accelerators
215cdd35 1694dxva2_deps="dxva2api_h"
0afab17e 1695vaapi_deps="va_va_h"
ac3dbb4d 1696vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1697vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1698vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1699
82ca17ac
DB
1700h263_vaapi_hwaccel_deps="vaapi"
1701h263_vaapi_hwaccel_select="h263_decoder"
1702h263_vdpau_hwaccel_deps="vdpau"
1703h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1704h264_dxva2_hwaccel_deps="dxva2"
1705h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1706h264_vaapi_hwaccel_deps="vaapi"
1707h264_vaapi_hwaccel_select="h264_decoder"
1708h264_vda_hwaccel_deps="vda"
1709h264_vda_hwaccel_select="h264_decoder"
1710h264_vdpau_decoder_deps="vdpau"
1711h264_vdpau_decoder_select="h264_decoder"
1712h264_vdpau_hwaccel_deps="vdpau"
1713h264_vdpau_hwaccel_select="h264_decoder"
1714mpeg_vdpau_decoder_deps="vdpau"
d767e2f9 1715mpeg_vdpau_decoder_select="mpeg2video_decoder"
82ca17ac
DB
1716mpeg1_vdpau_decoder_deps="vdpau"
1717mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1718mpeg1_vdpau_hwaccel_deps="vdpau"
1719mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1720mpeg2_dxva2_hwaccel_deps="dxva2"
1721mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1722mpeg2_vaapi_hwaccel_deps="vaapi"
1723mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1724mpeg2_vdpau_hwaccel_deps="vdpau"
1725mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1726mpeg4_vaapi_hwaccel_deps="vaapi"
1727mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1728mpeg4_vdpau_decoder_deps="vdpau"
1729mpeg4_vdpau_decoder_select="mpeg4_decoder"
1730mpeg4_vdpau_hwaccel_deps="vdpau"
1731mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1732vc1_dxva2_hwaccel_deps="dxva2"
1733vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1734vc1_vaapi_hwaccel_deps="vaapi"
1735vc1_vaapi_hwaccel_select="vc1_decoder"
1736vc1_vdpau_decoder_deps="vdpau"
1737vc1_vdpau_decoder_select="vc1_decoder"
1738vc1_vdpau_hwaccel_deps="vdpau"
1739vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1740wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1741wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1742wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
77525327 1743wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1744
28b80940 1745# parsers
0b499c9b 1746h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
c292f6a2
DB
1747mpeg4video_parser_select="error_resilience mpegvideo"
1748mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1749vc1_parser_select="mpegvideo"
28b80940 1750
912f3148 1751# external libraries
c9171a83 1752libfaac_encoder_deps="libfaac"
aa11cb79 1753libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1754libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1755libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1756libgsm_decoder_deps="libgsm"
1757libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1758libgsm_ms_decoder_deps="libgsm"
1759libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1760libilbc_decoder_deps="libilbc"
1761libilbc_encoder_deps="libilbc"
1cc60c47 1762libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1763libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1764libopencore_amrnb_decoder_deps="libopencore_amrnb"
1765libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1766libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1767libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1768libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1769libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1770libopus_decoder_deps="libopus"
6cb8c854 1771libopus_encoder_deps="libopus"
aa11cb79 1772libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1773libschroedinger_decoder_deps="libschroedinger"
1774libschroedinger_encoder_deps="libschroedinger"
ae14f311 1775libspeex_decoder_deps="libspeex"
b606a017 1776libspeex_encoder_deps="libspeex"
aa11cb79 1777libspeex_encoder_select="audio_frame_queue"
150d2772 1778libtheora_encoder_deps="libtheora"
d89e738a 1779libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1780libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1781libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1782libvorbis_encoder_deps="libvorbis"
aa11cb79 1783libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1784libvpx_vp8_decoder_deps="libvpx"
1785libvpx_vp8_encoder_deps="libvpx"
1786libvpx_vp9_decoder_deps="libvpx"
1787libvpx_vp9_encoder_deps="libvpx"
1cc60c47 1788libx264_encoder_deps="libx264"
de295976 1789libxavs_encoder_deps="libxavs"
1cc60c47 1790libxvid_encoder_deps="libxvid"
30fd06be 1791
912f3148 1792# demuxers / muxers
c2dd0e9e 1793ac3_demuxer_select="ac3_parser"
647c2356 1794asf_stream_muxer_select="asf_muxer"
4e622dea 1795avisynth_demuxer_deps="avisynth"
c2dd0e9e 1796dirac_demuxer_select="dirac_parser"
5b423887 1797eac3_demuxer_select="ac3_parser"
c2dd0e9e 1798flac_demuxer_select="flac_parser"
647c2356 1799ipod_muxer_select="mov_muxer"
31f16dc1 1800ismv_muxer_select="mov_muxer"
647c2356 1801matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1802matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1803mov_demuxer_suggest="zlib"
5ad2f0bf 1804mov_muxer_select="rtpenc_chain"
c2dd0e9e 1805mp3_demuxer_select="mpegaudio_parser"
647c2356 1806mp4_muxer_select="mov_muxer"
75644335 1807mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1808mpegtsraw_demuxer_select="mpegts_demuxer"
1809mxf_d10_muxer_select="mxf_muxer"
24ca518b 1810ogg_demuxer_select="golomb"
647c2356 1811psp_muxer_select="mov_muxer"
44594cc7 1812rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1813rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1814rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1815rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1816sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1817sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1818sdp_demuxer_select="rtpdec"
e772f9fa 1819smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1820spdif_muxer_select="aac_parser"
57231e4d 1821tak_demuxer_select="tak_parser"
647c2356
DB
1822tg2_muxer_select="mov_muxer"
1823tgp_muxer_select="mov_muxer"
6bdaa5f4 1824w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1825
1826# indevs / outdevs
38e54a75 1827alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1828alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1829bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1830dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1831fbdev_indev_deps="linux_fb_h"
38e54a75 1832jack_indev_deps="jack_jack_h"
e417d80d 1833libcdio_indev_deps="libcdio"
38e54a75 1834libdc1394_indev_deps="libdc1394"
38e54a75
SS
1835oss_indev_deps_any="soundcard_h sys_soundcard_h"
1836oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1837pulse_indev_deps="libpulse"
15d59d2c
B
1838sndio_indev_deps="sndio_h"
1839sndio_outdev_deps="sndio_h"
38e54a75 1840v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1841vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1842vfwcap_indev_extralibs="-lavicap32"
24f8961f 1843x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1844
912f3148 1845# protocols
acd554c1
SP
1846ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1847ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1848ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1849ffrtmphttp_protocol_deps="!librtmp_protocol"
1850ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1851gopher_protocol_select="network"
c40e1757 1852httpproxy_protocol_select="tcp_protocol"
279a0c97 1853http_protocol_select="tcp_protocol"
183baead 1854https_protocol_select="tls_protocol"
c3b57d6e
DB
1855librtmp_protocol_deps="librtmp"
1856librtmpe_protocol_deps="librtmp"
1857librtmps_protocol_deps="librtmp"
1858librtmpt_protocol_deps="librtmp"
1859librtmpte_protocol_deps="librtmp"
c60a2d70 1860mmsh_protocol_select="http_protocol"
998c1ee1 1861mmst_protocol_select="network"
c3b57d6e 1862rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1863rtmp_protocol_select="tcp_protocol"
acd554c1 1864rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1865rtmps_protocol_deps="!librtmp_protocol"
1866rtmps_protocol_select="tls_protocol"
775c4d36 1867rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1868rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1869rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1870rtp_protocol_select="udp_protocol"
998c1ee1
DB
1871sctp_protocol_deps="struct_sctp_event_subscribe"
1872sctp_protocol_select="network"
0eecafc9 1873srtp_protocol_select="rtp_protocol"
998c1ee1 1874tcp_protocol_select="network"
558d192d
MS
1875tls_protocol_deps_any="openssl gnutls"
1876tls_protocol_select="tcp_protocol"
998c1ee1 1877udp_protocol_select="network"
c08fb000 1878
6ebf0bfc 1879# filters
13fabd7a 1880blackframe_filter_deps="gpl"
ce6b6ef6 1881boxblur_filter_deps="gpl"
68b79bfc 1882cropdetect_filter_deps="gpl"
b157be1f 1883delogo_filter_deps="gpl"
a5b64584 1884drawtext_filter_deps="libfreetype"
2e5ff4d0 1885frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1886frei0r_filter_extralibs='$ldl'
a42bb9d6 1887frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1888frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1889hqdn3d_filter_deps="gpl"
3fce1367 1890interlace_filter_deps="gpl"
d371e7b9 1891resample_filter_deps="avresample"
cf69ad35 1892ocv_filter_deps="libopencv"
2f296e39 1893scale_filter_deps="swscale"
acbac567 1894yadif_filter_deps="gpl"
6ebf0bfc 1895
5a0f7131 1896# libraries
d89f2fa9
DB
1897avcodec_deps="avutil"
1898avdevice_deps="avutil avcodec avformat"
1899avfilter_deps="avutil"
1900avformat_deps="avutil avcodec"
1901avresample_deps="avutil"
1902swscale_deps="avutil"
f7679c54 1903
912f3148 1904# programs
54fd593a 1905avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 1906avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 1907 fps_filter null_filter resample_filter scale_filter
bce70f81 1908 setpts_filter trim_filter"
d173ede1 1909avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1910avplay_select="rdft"
9e12f0bf 1911avprobe_deps="avcodec avformat"
b263bf66 1912avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1913avserver_extralibs='$ldl'
a2830dca 1914
c73f65d9 1915doc_deps="texi2html"
912f3148 1916
de6d9b64 1917# default parameters
8a608357 1918
19bd477d 1919logfile="config.log"
8a608357
MR
1920
1921# installation paths
c9d19248
MR
1922prefix_default="/usr/local"
1923bindir_default='${prefix}/bin'
6291d7e4 1924datadir_default='${prefix}/share/avconv'
c9d19248
MR
1925incdir_default='${prefix}/include'
1926libdir_default='${prefix}/lib'
1927mandir_default='${prefix}/share/man'
1928shlibdir_default="$libdir_default"
8a608357
MR
1929
1930# toolchain
121d78d0 1931ar_default="ar"
13c7df3d 1932cc_default="gcc"
9da6609f 1933host_cc_default="gcc"
4ebc6a74 1934cp_f="cp -f"
b58b00ae 1935ln_s="ln -s -f"
2a8a860a 1936nm_default="nm -g"
11e6d03a 1937objformat="elf"
3f8040db 1938pkg_config_default=pkg-config
be7109c1 1939ranlib="ranlib"
11e6d03a 1940yasmexe="yasm"
8a608357 1941
3e0b1c9a 1942nogas=":"
8182dc34 1943
8a608357 1944# machine
8d4c00ed 1945arch_default=$(uname -m)
38d0a8aa 1946cpu="generic"
8a608357 1947
8a608357 1948# OS
8d4c00ed
MR
1949target_os_default=$(tolower $(uname -s))
1950host_os=$target_os_default
8a608357 1951
8a608357 1952# configurable options
d89f2fa9 1953enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1954
3e0b1c9a
DB
1955enable asm
1956enable debug
1957enable doc
8400d6b8 1958enable optimizations
8cfbbd92 1959enable safe_bitstream_reader
530dc538 1960enable static
a9ddb5b1 1961enable swscale_alpha
8a608357 1962
2e2ec667
DB
1963# By default, enable only those hwaccels that have no external dependencies.
1964enable dxva2 vdpau
1965
8a608357 1966# build settings
9987769a 1967SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1968AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1969LIBPREF="lib"
1970LIBSUF=".a"
c5f14466
RP
1971FULLNAME='$(NAME)$(BUILDSUF)'
1972LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1973SLIBPREF="lib"
1974SLIBSUF=".so"
c5f14466 1975SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1976SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1977SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1978LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1979SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1980SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1981
68485d1f
MR
1982asflags_filter=echo
1983cflags_filter=echo
64933b6c
MR
1984ldflags_filter=echo
1985
23565c26 1986AS_C='-c'
bc877faf 1987AS_O='-o $@'
23565c26 1988CC_C='-c'
18031c49 1989CC_E='-E -o $@'
7e6c86e6 1990CC_O='-o $@'
a758c5e2 1991LD_O='-o $@'
8db73c61
MR
1992LD_LIB='-l%'
1993LD_PATH='-L'
23565c26 1994HOSTCC_C='-c'
a758c5e2 1995HOSTCC_O='-o $@'
095792f2 1996HOSTLD_O='-o $@'
7e6c86e6 1997
4cc4b33f
DB
1998host_cflags='-O3 -g'
1999host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 2000host_libs='-lm'
6c3fa06a
MR
2001host_cflags_filter=echo
2002host_ldflags_filter=echo
9da6609f 2003
9b861379 2004target_path='$(CURDIR)'
a7ada2ba 2005
a158446b
MR
2006# since the object filename is not given with the -MM flag, the compiler
2007# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2008DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2009DEPFLAGS='-MM'
315c741d 2010
c597172e 2011# find source path
24524f36 2012if test -f configure; then
f038cf3c 2013 source_path=.
c597172e 2014else
8477f2de 2015 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2016 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2017 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2018 test -e "$source_path/config.h" &&
2019 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2020fi
2021
13cbe2c0 2022for v in "$@"; do
b04251c5
MR
2023 r=${v#*=}
2024 l=${v%"$r"}
2025 r=$(sh_quote "$r")
29ba0911 2026 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2027done
c597172e 2028
73ef8980
MR
2029find_things(){
2030 thing=$1
2031 pattern=$2
2032 file=$source_path/$3
932ccf39 2033 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2034}
2035
2036ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2037DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2038HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2039PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2040BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2041MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2042DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2043OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2044INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2045PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2046FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2047
54e75be4
DB
2048ALL_COMPONENTS="
2049 $BSF_LIST
2050 $DECODER_LIST
2051 $DEMUXER_LIST
2052 $ENCODER_LIST
2053 $FILTER_LIST
2054 $HWACCEL_LIST
2055 $INDEV_LIST
2056 $MUXER_LIST
2057 $OUTDEV_LIST
2058 $PARSER_LIST
2059 $PROTOCOL_LIST
2060"
2061
8469ae22
MR
2062for n in $COMPONENT_LIST; do
2063 v=$(toupper ${n%s})_LIST
2064 eval enable \$$v
2065 eval ${n}_if_any="\$$v"
2066done
2067
206a070d 2068enable $ARCH_EXT_LIST
c597172e
MR
2069
2070die_unknown(){
2071 echo "Unknown option \"$1\"."
2072 echo "See $0 --help for available options."
2073 exit 1
2074}
2075
7432e872
DB
2076print_3_columns() {
2077 cat | tr ' ' '\n' | sort | pr -r -3 -t
2078}
2079
794f8e97 2080show_list() {
bf0c4afa
RP
2081 suffix=_$1
2082 shift
7432e872 2083 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2084 exit 0
2085}
2086
154caa67
MR
2087rand_list(){
2088 IFS=', '
2089 set -- $*
2090 unset IFS
2091 for thing; do
2092 comp=${thing%:*}
2093 prob=${thing#$comp}
2094 prob=${prob#:}
2095 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2096 echo "prob ${prob:-0.5}"
2097 printf '%s\n' $comp
2098 done
2099}
2100
2101do_random(){
2102 action=$1
2103 shift
2104 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2105 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2106}
2107
c597172e 2108for opt do
7483e694
DB
2109 optval="${opt#*=}"
2110 case "$opt" in
ea061af1
DB
2111 --extra-ldflags=*)
2112 add_ldflags $optval
7e9e7cc2 2113 ;;
ea061af1
DB
2114 --extra-libs=*)
2115 add_extralibs $optval
7e9e7cc2 2116 ;;
ea061af1
DB
2117 --disable-devices)
2118 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2119 ;;
ea061af1
DB
2120 --enable-debug=*)
2121 debuglevel="$optval"
7e9e7cc2
MR
2122 ;;
2123 --disable-programs)
2124 disable $PROGRAM_LIST
2125 ;;
2126 --disable-everything)
2127 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2128 ;;
844c6852
DB
2129 --disable-all)
2130 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2131 disable $LIBRARY_LIST $PROGRAM_LIST doc
2132 ;;
7e9e7cc2
MR
2133 --enable-random|--disable-random)
2134 action=${opt%%-random}
2135 do_random ${action#--} $COMPONENT_LIST
2136 ;;
2137 --enable-random=*|--disable-random=*)
2138 action=${opt%%-random=*}
2139 do_random ${action#--} $optval
2140 ;;
2141 --enable-*=*|--disable-*=*)
2142 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2143 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2144 eval list=\$$(toupper $thing)_LIST
2145 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2146 $action $(filter "$name" $list)
2147 ;;
2148 --enable-?*|--disable-?*)
2149 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2150 if is_in $option $COMPONENT_LIST; then
2151 test $action = disable && action=unset
2152 eval $action \$$(toupper ${option%s})_LIST
2153 elif is_in $option $CMDLINE_SELECT; then
2154 $action $option
2155 else
2156 die_unknown $opt
2157 fi
2158 ;;
2159 --list-*)
2160 NAME="${opt#--list-}"
2161 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2162 NAME=${NAME%s}
2163 eval show_list $NAME \$$(toupper $NAME)_LIST
2164 ;;
2165 --help|-h) show_help
2166 ;;
2167 *)
2168 optname="${opt%%=*}"
2169 optname="${optname#--}"
2170 optname=$(echo "$optname" | sed 's/-/_/g')
2171 if is_in $optname $CMDLINE_SET; then
2172 eval $optname='$optval'
2173 elif is_in $optname $CMDLINE_APPEND; then
2174 append $optname "$optval"
2175 else
2176 die_unknown $opt
2177 fi
2178 ;;
7483e694 2179 esac
c597172e
MR
2180done
2181
bcea99bb
MR
2182disabled logging && logfile=/dev/null
2183
29ba0911 2184echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2185set >> $logfile
2186
9da6609f
MR
2187test -n "$cross_prefix" && enable cross_compile
2188
8d4c00ed
MR
2189if enabled cross_compile; then
2190 test -n "$arch" && test -n "$target_os" ||
2191 die "Must specify target arch and OS when cross-compiling"
2192fi
2193
121d78d0 2194ar_default="${cross_prefix}${ar_default}"
11e6d03a 2195cc_default="${cross_prefix}${cc_default}"
20e0ed95 2196nm_default="${cross_prefix}${nm_default}"
3f8040db 2197pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2198ranlib="${cross_prefix}${ranlib}"
adb2b908 2199
c5200f17
MR
2200sysinclude_default="${sysroot}/usr/include"
2201
aeeb782c 2202case "$toolchain" in
0fbb62a8
LB
2203 clang-asan)
2204 cc_default="clang"
19f251a2
LB
2205 add_cflags -fsanitize=address
2206 add_ldflags -fsanitize=address
0fbb62a8
LB
2207 ;;
2208 clang-tsan)
2209 cc_default="clang"
19f251a2
LB
2210 add_cflags -fsanitize=thread -pie
2211 add_ldflags -fsanitize=thread -pie
0fbb62a8 2212 ;;
b1ee8eec
RT
2213 valgrind-memcheck)
2214 target_exec_default="valgrind"
2215 target_exec_args="--track-origins=yes --leak-check=full"
2216 ;;
aeeb782c
MR
2217 msvc)
2218 cc_default="c99wrap cl"
2219 ld_default="c99wrap link"
2220 nm_default="dumpbin -symbols"
ac3a9b51 2221 ar_default="lib"
53e8cd68 2222 target_os_default="win32"
aeeb782c 2223 ;;
a862c7d3
RT
2224 gcov)
2225 add_cflags -fprofile-arcs -ftest-coverage
2226 add_ldflags -fprofile-arcs -ftest-coverage
2227 ;;
aeeb782c
MR
2228 ?*)
2229 die "Unknown toolchain $toolchain"
2230 ;;
2231esac
2232
b1ee8eec 2233set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2234enabled cross_compile || host_cc_default=$cc
2235set_default host_cc
13c7df3d 2236
762f95e4
MR
2237if ! $pkg_config --version >/dev/null 2>&1; then
2238 warn "$pkg_config not found, library detection may fail."
2239 pkg_config=false
2240fi
2241
82bb3329
MR
2242exesuf() {
2243 case $1 in
53e8cd68 2244 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2245 esac
2246}
2247
2248EXESUF=$(exesuf $target_os)
2249HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2250
e4e69e0b 2251# set temporary file name
a49d42c2 2252: ${TMPDIR:=$TEMPDIR}
c51fafa1 2253: ${TMPDIR:=$TMP}
a49d42c2 2254: ${TMPDIR:=/tmp}
e4e69e0b 2255
a210bce2 2256if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2257 # simple replacement for missing mktemp
2258 # NOT SAFE FOR GENERAL USE
2259 mktemp(){
09a5c245 2260 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2261 }
2262fi
2263
2264tmpfile(){
2265 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2266 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2267 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2268 append TMPFILES $tmp
2269 eval $1=$tmp
2270}
2271
2272trap 'rm -f -- $TMPFILES' EXIT
54460a83 2273
55127e7b 2274tmpfile TMPASM .asm
3e0b1c9a
DB
2275tmpfile TMPC .c
2276tmpfile TMPE $EXESUF
2277tmpfile TMPH .h
2278tmpfile TMPO .o
2279tmpfile TMPS .S
2280tmpfile TMPSH .sh
2281tmpfile TMPV .ver
54460a83
MR
2282
2283unset -f mktemp
e4e69e0b 2284
fb3c4ffc
MR
2285chmod +x $TMPE
2286
993f2d0f
MR
2287# make sure we can execute files in $TMPDIR
2288cat > $TMPSH 2>> $logfile <<EOF
2289#! /bin/sh
2290EOF
2291chmod +x $TMPSH >> $logfile 2>&1
2292if ! $TMPSH >> $logfile 2>&1; then
2293 cat <<EOF
2294Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2295variable to another directory and make sure that it is not mounted noexec.
2296EOF
2297 die "Sanity test failed."
2298fi
993f2d0f 2299
457cc333
MR
2300ccc_flags(){
2301 for flag; do
2302 case $flag in
2303 -std=c99) echo -c99 ;;
2304 -mcpu=*) echo -arch ${flag#*=} ;;
2305 -mieee) echo -ieee ;;
2306 -O*|-fast) echo $flag ;;
2307 -fno-math-errno) echo -assume nomath_errno ;;
2308 -g) echo -g3 ;;
2309 -Wall) echo -msg_enable level2 ;;
2310 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2311 -Wl,*) echo $flag ;;
2312 -f*|-W*) ;;
2313 *) echo $flag ;;
2314 esac
2315 done
2316}
2317
dfa559bc
RB
2318msvc_flags(){
2319 for flag; do
2320 case $flag in
2321 -fomit-frame-pointer) echo -Oy ;;
2322 -g) echo -Z7 ;;
2323 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2324 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2325 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2326 -wd4996 -wd4273 ;;
dfa559bc
RB
2327 -std=c99) ;;
2328 -fno-math-errno) ;;
2329 -fno-common) ;;
2330 -fno-signed-zeros) ;;
50640977 2331 -fPIC) ;;
dfa559bc 2332 -lz) echo zlib.lib ;;
bd680c7b
DB
2333 -lavifil32) echo vfw32.lib ;;
2334 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2335 -l*) echo ${flag#-l}.lib ;;
2336 *) echo $flag ;;
2337 esac
2338 done
2339}
2340
d0c6d424
MR
2341pgi_flags(){
2342 for flag; do
2343 case $flag in
643933f5 2344 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2345 -fomit-frame-pointer) echo -Mnoframe ;;
2346 -g) echo -gopt ;;
2347 *) echo $flag ;;
2348 esac
2349 done
2350}
2351
2352suncc_flags(){
2353 for flag; do
2354 case $flag in
2355 -march=*|-mcpu=*)
2356 case "${flag#*=}" in
2357 native) echo -xtarget=native ;;
2358 v9|niagara) echo -xarch=sparc ;;
2359 ultrasparc) echo -xarch=sparcvis ;;
2360 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2361 i586|pentium) echo -xchip=pentium ;;
2362 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2363 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2364 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2365 pentium4*) echo -xtarget=pentium4 ;;
2366 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2367 *-sse3) echo -xarch=sse3 ;;
2368 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2369 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2370 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2371 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2372 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2373 k8|opteron|athlon64|athlon-fx)
2374 echo -xarch=sse2a ;;
2375 athlon*) echo -xarch=pentium_proa ;;
2376 esac
2377 ;;
2378 -std=c99) echo -xc99 ;;
2379 -fomit-frame-pointer) echo -xregs=frameptr ;;
2380 -fPIC) echo -KPIC -xcode=pic32 ;;
2381 -W*,*) echo $flag ;;
5e753ed5
SM
2382 -f*-*|-W*|-mimpure-text) ;;
2383 -shared) echo -G ;;
d0c6d424
MR
2384 *) echo $flag ;;
2385 esac
2386 done
2387}
2388
2389tms470_flags(){
2390 for flag; do
2391 case $flag in
2392 -march=*|-mcpu=*)
2393 case "${flag#*=}" in
2394 armv7-a|cortex-a*) echo -mv=7a8 ;;
2395 armv7-r|cortex-r*) echo -mv=7r4 ;;
2396 armv7-m|cortex-m*) echo -mv=7m3 ;;
2397 armv6*|arm11*) echo -mv=6 ;;
2398 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2399 echo -mv=5e ;;
2400 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2401 esac
2402 ;;
2403 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2404 -mfpu=vfp) echo --float_support=vfpv2 ;;
2405 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2406 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2407 -msoft-float) echo --float_support=vfplib ;;
2408 -O[0-3]|-mf=*) echo $flag ;;
2409 -g) echo -g -mn ;;
2410 -pds=*) echo $flag ;;
ad93dccb
MR
2411 -D*|-I*) echo $flag ;;
2412 --gcc|--abi=*) echo $flag ;;
2413 -me) echo $flag ;;
d0c6d424
MR
2414 esac
2415 done
2416}
2417
a758c5e2
MR
2418probe_cc(){
2419 pfx=$1
2420 _cc=$2
2421
8db73c61
MR
2422 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2423 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2424 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2425 _flags_filter=echo
2426
2427 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2428 _type=llvm_gcc
2429 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2430 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2431 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2432 _cflags_speed='-O3'
2433 _cflags_size='-Os'
2434 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2435 _type=gcc
2436 gcc_version=$($_cc --version | head -n1)
2437 gcc_basever=$($_cc -dumpversion)
2438 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2439 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2440 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2441 if ! $_cc -dumpversion | grep -q '^2\.'; then
2442 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2443 fi
2444 _cflags_speed='-O3'
2445 _cflags_size='-Os'
b2d688ea 2446 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2447 _type=icc
2448 _ident=$($_cc --version | head -n1)
2449 _depflags='-MMD'
2450 _cflags_speed='-O3'
2451 _cflags_size='-Os'
2452 _cflags_noopt='-O1'
2453 elif $_cc -v 2>&1 | grep -q xlc; then
2454 _type=xlc
2455 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2456 _cflags_speed='-O5'
2457 _cflags_size='-O5 -qcompact'
2458 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2459 _type=ccc
2460 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2461 _DEPFLAGS='-M'
a758c5e2
MR
2462 _cflags_speed='-fast'
2463 _cflags_size='-O1'
457cc333 2464 _flags_filter=ccc_flags
a758c5e2
MR
2465 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2466 test -d "$sysroot" || die "No valid sysroot specified."
2467 _type=armcc
2468 _ident=$($_cc --vsn | head -n1)
2469 armcc_conf="$PWD/armcc.conf"
2470 $_cc --arm_linux_configure \
2471 --arm_linux_config_file="$armcc_conf" \
2472 --configure_sysroot="$sysroot" \
2473 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2474 die "Error creating armcc configuration file."
2475 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2476 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2477 as_default="${cross_prefix}gcc"
2478 _depflags='-MMD'
2479 _cflags_speed='-O3'
2480 _cflags_size='-Os'
0122118e 2481 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2482 _type=tms470
2483 _ident=$($_cc -version | head -n1 | tr -s ' ')
2484 _flags='--gcc --abi=eabi -me'
18031c49 2485 _cc_e='-ppl -fe=$@'
a758c5e2 2486 _cc_o='-fe=$@'
a758c5e2
MR
2487 _depflags='-ppa -ppd=$(@:.o=.d)'
2488 _cflags_speed='-O3 -mf=5'
2489 _cflags_size='-O3 -mf=2'
2490 _flags_filter=tms470_flags
2491 elif $_cc -v 2>&1 | grep -q clang; then
2492 _type=clang
2493 _ident=$($_cc --version | head -n1)
2494 _depflags='-MMD'
2495 _cflags_speed='-O3'
2496 _cflags_size='-Os'
2497 elif $_cc -V 2>&1 | grep -q Sun; then
2498 _type=suncc
2499 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2500 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2501 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2502 _ldflags='-std=c99'
2503 _cflags_speed='-O5'
2504 _cflags_size='-O5 -xspace'
2505 _flags_filter=suncc_flags
2506 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2507 _type=pathscale
2508 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2509 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2510 _cflags_speed='-O2'
2511 _cflags_size='-Os'
2512 _flags_filter='filter_out -Wdisabled-optimization'
2513 elif $_cc -v 2>&1 | grep -q Open64; then
2514 _type=open64
2515 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2516 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2517 _cflags_speed='-O2'
2518 _cflags_size='-Os'
2519 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2520 elif $_cc -V 2>&1 | grep -q Portland; then
2521 _type=pgi
2522 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2523 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2524 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2525 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2526 _cflags_noopt="-O1"
2527 _flags_filter=pgi_flags
dfa559bc
RB
2528 elif $_cc 2>&1 | grep -q Microsoft; then
2529 _type=msvc
2530 _ident=$($cc 2>&1 | head -n1)
2531 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2532 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2533 _cflags_speed="-O2"
2534 _cflags_size="-O1"
2535 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2536 if $_cc 2>&1 | grep -q Linker; then
2537 _ld_o='-out $@'
2538 else
2539 _ld_o='-Fe$@'
2540 fi
2541 _cc_o='-Fo $@'
a224b2cb 2542 _cc_e='-P -Fi $@'
dfa559bc
RB
2543 _flags_filter=msvc_flags
2544 _ld_lib='lib%.a'
2545 _ld_path='-libpath:'
2546 _flags='-nologo'
2547 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2548 if [ $pfx = hostcc ]; then
6a0200f2 2549 append _cflags -Dsnprintf=_snprintf
dfa559bc 2550 fi
aef6bd1b 2551 fi
a758c5e2
MR
2552
2553 eval ${pfx}_type=\$_type
2554 eval ${pfx}_ident=\$_ident
2555}
2556
2557set_ccvars(){
23565c26 2558 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2559 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2560 eval ${1}_O=\${_cc_o-\${${1}_O}}
2561
2562 if [ -n "$_depflags" ]; then
2563 eval ${1}_DEPFLAGS=\$_depflags
2564 else
2565 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2566 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2567 eval DEP${1}FLAGS=\$_flags
2568 fi
2569}
2570
2571probe_cc cc "$cc"
2572cflags_filter=$_flags_filter
2573cflags_speed=$_cflags_speed
2574cflags_size=$_cflags_size
2575cflags_noopt=$_cflags_noopt
2576add_cflags $_flags $_cflags
2577cc_ldflags=$_ldflags
2578set_ccvars CC
2579
2580probe_cc hostcc "$host_cc"
2581host_cflags_filter=$_flags_filter
a758c5e2 2582add_host_cflags $_flags $_cflags
a758c5e2 2583set_ccvars HOSTCC
629687f6 2584
851ffa80
MR
2585test -n "$cc_type" && enable $cc_type ||
2586 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2587
75bafbac 2588: ${as_default:=$cc}
50567afa 2589: ${dep_cc_default:=$cc}
684b28e0 2590: ${ld_default:=$cc}
095792f2
MR
2591: ${host_ld_default:=$host_cc}
2592set_default ar as dep_cc ld host_ld
75800dce 2593
a758c5e2
MR
2594probe_cc as "$as"
2595asflags_filter=$_flags_filter
2596add_asflags $_flags $_cflags
2597set_ccvars AS
2598
2599probe_cc ld "$ld"
2600ldflags_filter=$_flags_filter
2601add_ldflags $_flags $_ldflags
2602test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2603LD_O=${_ld_o-$LD_O}
8db73c61
MR
2604LD_LIB=${_ld_lib-$LD_LIB}
2605LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2606
095792f2
MR
2607probe_cc hostld "$host_ld"
2608host_ldflags_filter=$_flags_filter
2609add_host_ldflags $_flags $_ldflags
2610HOSTLD_O=${_ld_o-$HOSTLD_O}
2611
a758c5e2
MR
2612if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2613 probe_cc depcc "$dep_cc"
2614 CCDEP=${_DEPCMD:-$DEPCMD}
2615 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2616 DEPCCFLAGS=$_flags
2617fi
07dec06e 2618
3dbc777c
MR
2619if $ar 2>&1 | grep -q Microsoft; then
2620 arflags="-nologo"
2621 ar_o='-out:$@'
2622elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2623 arflags="rq"
2624 ar_o='$@'
2625else
2626 arflags="rc"
2627 ar_o='$@'
2628fi
2629
7f32f40c 2630add_cflags $extra_cflags
2f2e6c7c 2631add_asflags $extra_cflags
7f32f40c 2632
154d432c
MR
2633if test -n "$sysroot"; then
2634 case "$cc_type" in
00ba041c 2635 gcc|llvm_gcc|clang)
467256f2 2636 add_cppflags --sysroot="$sysroot"
154d432c
MR
2637 add_ldflags --sysroot="$sysroot"
2638 ;;
6fec122a
MR
2639 tms470)
2640 add_cppflags -I"$sysinclude"
2641 add_ldflags --sysroot="$sysroot"
2642 ;;
154d432c
MR
2643 esac
2644fi
2645
d22c13a8
MR
2646if test "$cpu" = host; then
2647 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2648
2649 case "$cc_type" in
613a4e3f 2650 gcc|llvm_gcc)
d22c13a8
MR
2651 check_native(){
2652 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2653 sed -n "/cc1.*$1=/{
27ce1be8
MR
2654 s/.*$1=\\([^ ]*\\).*/\\1/
2655 p
2656 q
2657 }" $TMPE
d22c13a8
MR
2658 }
2659 cpu=$(check_native -march || check_native -mcpu)
2660 ;;
2661 esac
2662
2663 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2664fi
2665
e939cedd
MR
2666# Deal with common $arch aliases
2667case "$arch" in
5873b623
MR
2668 aarch64|arm64)
2669 arch="aarch64"
2670 ;;
e939cedd
MR
2671 arm*)
2672 arch="arm"
2673 ;;
2acda282 2674 mips*|IP*)
e939cedd
MR
2675 arch="mips"
2676 ;;
a6e9d649 2677 parisc*|hppa*)
e939cedd
MR
2678 arch="parisc"
2679 ;;
56203596 2680 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2681 arch="ppc"
2682 ;;
e939cedd
MR
2683 s390|s390x)
2684 arch="s390"
2685 ;;
2686 sh4|sh)
2687 arch="sh4"
2688 ;;
4cd217c0 2689 sun4u|sparc*)
e939cedd 2690 arch="sparc"
e939cedd 2691 ;;
c75848cd
DB
2692 tilegx|tile-gx)
2693 arch="tilegx"
2694 ;;
d33ed7b3 2695 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2696 arch="x86"
2697 ;;
2698esac
2699
851ffa80 2700is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2701enable $arch
e939cedd 2702
df5cdc24 2703# Add processor-specific flags
9ebd45c2 2704if enabled aarch64; then
33db40f8
MR
2705
2706 case $cpu in
2707 armv*)
2708 cpuflags="-march=$cpu"
2709 ;;
2710 *)
2711 cpuflags="-mcpu=$cpu"
2712 ;;
2713 esac
2714
2715elif enabled alpha; then
2716
2717 cpuflags="-mcpu=$cpu"
2718
2719elif enabled arm; then
2720
1234c66a
MR
2721 check_arm_arch() {
2722 check_cpp_condition stddef.h \
2723 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2724 $cpuflags
2725 }
2726
2727 probe_arm_arch() {
2728 if check_arm_arch 4; then echo armv4;
2729 elif check_arm_arch 4T; then echo armv4t;
2730 elif check_arm_arch 5; then echo armv5;
2731 elif check_arm_arch 5E; then echo armv5e;
2732 elif check_arm_arch 5T; then echo armv5t;
2733 elif check_arm_arch 5TE; then echo armv5te;
2734 elif check_arm_arch 5TEJ; then echo armv5te;
2735 elif check_arm_arch 6; then echo armv6;
2736 elif check_arm_arch 6J; then echo armv6j;
2737 elif check_arm_arch 6K; then echo armv6k;
2738 elif check_arm_arch 6Z; then echo armv6z;
2739 elif check_arm_arch 6ZK; then echo armv6zk;
2740 elif check_arm_arch 6T2; then echo armv6t2;
2741 elif check_arm_arch 7; then echo armv7;
2742 elif check_arm_arch 7A 7_A; then echo armv7-a;
2743 elif check_arm_arch 7R 7_R; then echo armv7-r;
2744 elif check_arm_arch 7M 7_M; then echo armv7-m;
2745 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2746 elif check_arm_arch 8A 8_A; then echo armv8-a;
2747 fi
2748 }
2749
2750 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2751
33db40f8
MR
2752 case $cpu in
2753 armv*)
2754 cpuflags="-march=$cpu"
2755 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2756 ;;
2757 *)
2758 cpuflags="-mcpu=$cpu"
2759 case $cpu in
2760 cortex-a*) subarch=armv7a ;;
2761 cortex-r*) subarch=armv7r ;;
2762 cortex-m*) enable thumb; subarch=armv7m ;;
2763 arm11*) subarch=armv6 ;;
2764 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2765 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2766 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2767 esac
2768 ;;
2769 esac
2770
f0fe245b
MR
2771 case "$subarch" in
2772 armv5t*) enable fast_clz ;;
2773 armv[6-8]*) enable fast_clz fast_unaligned ;;
2774 esac
2775
33db40f8
MR
2776elif enabled avr32; then
2777
2778 case $cpu in
2779 ap7[02]0[0-2])
2780 subarch="avr32_ap"
2781 cpuflags="-mpart=$cpu"
2782 ;;
2783 ap)
2784 subarch="avr32_ap"
2785 cpuflags="-march=$cpu"
2786 ;;
2787 uc3[ab]*)
2788 subarch="avr32_uc"
2789 cpuflags="-mcpu=$cpu"
2790 ;;
2791 uc)
2792 subarch="avr32_uc"
2793 cpuflags="-march=$cpu"
2794 ;;
2795 esac
2796
2797elif enabled bfin; then
2798
2799 cpuflags="-mcpu=$cpu"
2800
2801elif enabled mips; then
2802
2803 cpuflags="-march=$cpu"
2804
5d54c126 2805elif enabled ppc; then
343aef9b 2806
56348891
MR
2807 case $(tolower $cpu) in
2808 601|ppc601|powerpc601)
9dbd5c3d 2809 cpuflags="-mcpu=601"
64ad53ff 2810 disable altivec
9dbd5c3d 2811 ;;
56348891 2812 603*|ppc603*|powerpc603*)
9dbd5c3d 2813 cpuflags="-mcpu=603"
64ad53ff 2814 disable altivec
9dbd5c3d 2815 ;;
56348891 2816 604*|ppc604*|powerpc604*)
9dbd5c3d 2817 cpuflags="-mcpu=604"
64ad53ff 2818 disable altivec
9dbd5c3d 2819 ;;
56348891 2820 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2821 cpuflags="-mcpu=750"
64ad53ff 2822 disable altivec
9dbd5c3d 2823 ;;
56348891 2824 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2825 cpuflags="-mcpu=7450"
9dbd5c3d 2826 ;;
56348891 2827 74*|ppc74*|powerpc74*)
7f1fcaf0 2828 cpuflags="-mcpu=7400"
9dbd5c3d 2829 ;;
313f9fbf 2830 g5|970|ppc970|powerpc970)
7f1fcaf0 2831 cpuflags="-mcpu=970"
9dbd5c3d 2832 ;;
313f9fbf 2833 power[3-7]*)
7f1fcaf0 2834 cpuflags="-mcpu=$cpu"
313f9fbf 2835 ;;
56348891 2836 cell)
9dbd5c3d
MR
2837 cpuflags="-mcpu=cell"
2838 enable ldbrx
2839 ;;
4ab26cb4
DB
2840 e500mc)
2841 cpuflags="-mcpu=e500mc"
2842 disable altivec
2843 ;;
7b0b81a1
AL
2844 e500v2)
2845 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2846 disable altivec
2847 ;;
2848 e500)
2849 cpuflags="-mcpu=8540 -mhard-float"
2850 disable altivec
2851 ;;
9dbd5c3d 2852 esac
343aef9b 2853
33db40f8
MR
2854elif enabled sparc; then
2855
2856 case $cpu in
2857 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2858 cpuflags="-mcpu=$cpu"
2859 disable vis
2860 ;;
2861 ultrasparc*|niagara[234])
2862 cpuflags="-mcpu=$cpu"
2863 ;;
2864 esac
2865
343aef9b
MR
2866elif enabled x86; then
2867
9dbd5c3d
MR
2868 case $cpu in
2869 i[345]86|pentium)
2870 cpuflags="-march=$cpu"
2871 disable mmx
2872 ;;
2873 # targets that do NOT support conditional mov (cmov)
2874 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2875 cpuflags="-march=$cpu"
2876 disable cmov
2877 ;;
2878 # targets that do support conditional mov (cmov)
f2ce813e 2879 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d
MR
2880 cpuflags="-march=$cpu"
2881 enable cmov
2882 enable fast_cmov
2883 ;;
2884 # targets that do support conditional mov but on which it's slow
2885 pentium4|pentium4m|prescott|nocona)
2886 cpuflags="-march=$cpu"
2887 enable cmov
2888 disable fast_cmov
2889 ;;
2890 esac
343aef9b 2891
343aef9b
MR
2892fi
2893
9ebd45c2
MR
2894if [ "$cpu" != generic ]; then
2895 add_cflags $cpuflags
2896 add_asflags $cpuflags
2897fi
df5cdc24 2898
993f2d0f
MR
2899# compiler sanity check
2900check_exec <<EOF
2901int main(void){ return 0; }
2902EOF
2903if test "$?" != 0; then
2904 echo "$cc is unable to create an executable file."
2905 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2906 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2907 echo "Only do this if you know what cross compiling means."
2908 fi
2909 die "C compiler test failed."
2910fi
2911
046f081b 2912add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2913check_cflags -std=c99
50a334e4 2914check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2915#include <stdlib.h>
2916EOF
50a334e4 2917check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2918#include <stdlib.h>
2919EOF
e9b9a2f8 2920
f0125de9 2921check_host_cflags -std=c99
0a6db2a2 2922check_host_cflags -Wall
f0125de9 2923
d4c99513
MR
2924check_64bit(){
2925 arch32=$1
2926 arch64=$2
2927 expr=$3
2928 check_code cc "" "int test[2*($expr) - 1]" &&
2929 subarch=$arch64 || subarch=$arch32
2930}
2931
b24dbcbd 2932case "$arch" in
d11cb13b 2933 aarch64|alpha|ia64)
2acda282
MR
2934 spic=$shared
2935 ;;
2936 mips)
2937 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2938 spic=$shared
b24dbcbd 2939 ;;
a6e9d649
MR
2940 parisc)
2941 check_64bit parisc parisc64 'sizeof(void *) > 4'
2942 spic=$shared
2943 ;;
56203596
MR
2944 ppc)
2945 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2946 spic=$shared
56203596 2947 ;;
4cd217c0
MR
2948 sparc)
2949 check_64bit sparc sparc64 'sizeof(void *) > 4'
2950 spic=$shared
2951 ;;
e939cedd 2952 x86)
d4c99513 2953 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2954 if test "$subarch" = "x86_64"; then
e939cedd 2955 spic=$shared
de27f4d9 2956 fi
b24dbcbd 2957 ;;
b24dbcbd
RP
2958esac
2959
343aef9b 2960enable $subarch
8a3c8627 2961enabled spic && enable pic
b24dbcbd 2962
7483e694 2963# OS specific
4f854758 2964case $target_os in
a1629e28 2965 haiku)
63ae7e7c 2966 prefix_default="/boot/common"
108caaaa 2967 network_extralibs="-lnetwork"
f59c4bd6 2968 host_libs=
a1629e28 2969 ;;
7483e694 2970 sunos)
4d58e4cb 2971 AVSERVERLDFLAGS=""
9987769a 2972 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2973 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2974 network_extralibs="-lsocket -lnsl"
779222db 2975 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
2976 # When using suncc to build, the Solaris linker will mark
2977 # an executable with each instruction set encountered by
2978 # the Solaris assembler. As our libraries contain their own
2979 # guards for processor-specific code, instead suppress
2980 # generation of the HWCAPS ELF section on Solaris x86 only.
2981 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 2982 nm_default='nm -P -g'
7483e694
DB
2983 ;;
2984 netbsd)
a1e4b3f6 2985 disable symver
07a8eef6
MR
2986 oss_indev_extralibs="-lossaudio"
2987 oss_outdev_extralibs="-lossaudio"
7483e694 2988 ;;
d488c3bc 2989 openbsd|bitrig)
a1e4b3f6 2990 disable symver
7483e694 2991 SHFLAGS='-shared'
69dca3a4 2992 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 2993 SLIB_INSTALL_LINKS=
07a8eef6
MR
2994 oss_indev_extralibs="-lossaudio"
2995 oss_outdev_extralibs="-lossaudio"
7483e694 2996 ;;
a1e4b3f6 2997 dragonfly)
a1e4b3f6
MR
2998 disable symver
2999 ;;
3000 freebsd)
7483e694
DB
3001 ;;
3002 bsd/os)
355d81df 3003 add_extralibs -lpoll -lgnugetopt
7483e694
DB
3004 ;;
3005 darwin)
301ab19d 3006 gas="gas-preprocessor.pl $cc"
e08b8239 3007 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 3008 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 3009 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 3010 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
3011 SLIBSUF=".dylib"
3012 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3013 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 3014 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 3015 objformat="macho"
1b0f6fb8 3016 enabled x86_64 && objformat="macho64"
8dfa86f7 3017 enabled_any pic shared ||
2704bd1a 3018 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
3019 ;;
3020 mingw32*)
9d3f4f50 3021 if test $target_os = "mingw32ce"; then
1aa71e25
MS
3022 disable network
3023 else
3024 target_os=mingw32
3025 fi
dcc01c06 3026 LIBTARGET=i386
1fc9fb8a 3027 if enabled x86_64; then
417516f6 3028 LIBTARGET="i386:x86-64"
336cc1b0 3029 elif enabled arm; then
15c5156d 3030 LIBTARGET=arm-wince
dcc01c06 3031 fi
fbd971a4 3032 shlibdir_default="$bindir_default"
7483e694
DB
3033 SLIBPREF=""
3034 SLIBSUF=".dll"
7483e694
DB
3035 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3036 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 3037 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
3038 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3039 SLIB_INSTALL_LINKS=
3040 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3041 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 3042 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 3043 objformat="win32"
ec10a9ab 3044 dlltool="${cross_prefix}dlltool"
a3222470 3045 ranlib=:
bc574408 3046 enable dos_paths
7483e694 3047 ;;
53e8cd68 3048 win32|win64)
d66c52c2
MS
3049 if enabled shared; then
3050 # Link to the import library instead of the normal static library
3051 # for shared libs.
3052 LD_LIB='%.lib'
3053 # Cannot build shared and static libraries at the same time with
3054 # MSVC.
3055 disable static
3056 fi
3057 shlibdir_default="$bindir_default"
3058 SLIBPREF=""
3059 SLIBSUF=".dll"
3060 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3061 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3062 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3063 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3064 SLIB_INSTALL_LINKS=
3065 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3066 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3067 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
3068 objformat="win32"
3069 ranlib=:
3070 enable dos_paths
3071 ;;
7483e694 3072 cygwin*)
4f854758 3073 target_os=cygwin
fbd971a4 3074 shlibdir_default="$bindir_default"
7483e694
DB
3075 SLIBPREF="cyg"
3076 SLIBSUF=".dll"
3077 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3078 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
3079 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3080 SLIB_INSTALL_LINKS=
3081 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3082 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 3083 objformat="win32"
bc574408 3084 enable dos_paths
7483e694 3085 ;;
4f365f37 3086 *-dos|freedos|opendos)
4f365f37 3087 network_extralibs="-lsocket"
ff1c015d 3088 objformat="coff"
bc574408 3089 enable dos_paths
a7a187a1 3090 add_cppflags -U__STRICT_ANSI__
4f365f37 3091 ;;
7483e694 3092 linux)
7483e694
DB
3093 enable dv1394
3094 ;;
3095 irix*)
4f854758 3096 target_os=irix
7483e694
DB
3097 ranlib="echo ignoring ranlib"
3098 ;;
d22e8442 3099 os/2*)
d22e8442 3100 ln_s="cp -f"
9297f1ed 3101 objformat="aout"
e14574eb 3102 add_cppflags -D_GNU_SOURCE
355d81df 3103 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3104 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 3105 AVSERVERLDFLAGS=""
287d3b13 3106 LIBSUF="_s.a"
d22e8442
DY
3107 SLIBPREF=""
3108 SLIBSUF=".dll"
3109 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3110 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3111 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3112 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3113 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3114 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3115 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3116 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3117 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3118 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3119 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3120 enable dos_paths
d22e8442 3121 ;;
83993c1c 3122 gnu/kfreebsd)
3bd1eacd 3123 add_cppflags -D_BSD_SOURCE
83993c1c 3124 ;;
34e82167 3125 gnu)
34e82167 3126 ;;
d33ed7b3
MR
3127 qnx)
3128 add_cppflags -D_QNX_SOURCE
3129 network_extralibs="-lsocket"
3130 ;;
1c69c79f
MS
3131 symbian)
3132 SLIBSUF=".dll"
3133 enable dos_paths
e3bc07f4
MS
3134 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3135 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3136 add_ldflags -Wl,--target1-abs,--no-undefined \
3137 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3138 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3139 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3140 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3141 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3142 ;;
fdd66609
MR
3143 osf1)
3144 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3145 AVSERVERLDFLAGS=
3146 ;;
741a8b72
MR
3147 minix)
3148 ;;
4ebc6a74
MR
3149 plan9)
3150 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3151 -D_REENTRANT_SOURCE \
3152 -D_RESEARCH_SOURCE \
3153 -DFD_SETSIZE=96 \
3154 -DHAVE_SOCK_OPTS
3155 add_compat strtod.o strtod=avpriv_strtod
3156 network_extralibs='-lbsd'
3157 exeobjs=compat/plan9/main.o
3158 disable avserver
4ebc6a74
MR
3159 cp_f='cp'
3160 ;;
614d8911
MR
3161 none)
3162 ;;
7483e694 3163 *)
4f924f9a 3164 die "Unknown OS '$target_os'."
7483e694
DB
3165 ;;
3166esac
3167
b797f3c4
MR
3168# determine libc flavour
3169
197252f1 3170# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3171if check_cpp_condition features.h "defined __UCLIBC__"; then
3172 libc_type=uclibc
3bd1eacd 3173 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3174elif check_cpp_condition features.h "defined __GLIBC__"; then
3175 libc_type=glibc
3bd1eacd 3176 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3177# MinGW headers can be installed on Cygwin, so check for newlib first.
3178elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3179 libc_type=newlib
3180 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3181elif check_header _mingw.h; then
3182 libc_type=mingw
3183 check_cpp_condition _mingw.h \
3184 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3185 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3186 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3187 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3188elif check_func_headers stdlib.h _get_doserrno; then
3189 libc_type=msvcrt
84e65c76
MR
3190 add_compat strtod.o strtod=avpriv_strtod
3191 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3192 _snprintf=avpriv_snprintf \
3193 vsnprintf=avpriv_vsnprintf
b797f3c4
MR
3194elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3195 libc_type=klibc
3196fi
3197
3198test -n "$libc_type" && enable $libc_type
3199
5ab432fa
MR
3200# hacks for compiler/libc/os combinations
3201
3202if enabled_all tms470 glibc; then
b6f8d635 3203 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3204 add_cppflags -D__USER_LABEL_PREFIX__=
3205 add_cppflags -D__builtin_memset=memset
3206 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3207 add_cflags -pds=48 # incompatible redefinition of macro
3208fi
3209
457cc333
MR
3210if enabled_all ccc glibc; then
3211 add_ldflags -Wl,-z,now # calls to libots crash without this
3212fi
3213
6555acad
MR
3214esc(){
3215 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3216}
3217
3218echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3219
13cb2187
AS
3220check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3221
c9d19248 3222set_default $PATHS_LIST
2a8a860a 3223set_default nm
c9d19248 3224
320d060a 3225# we need to build at least one lib type
93b3c083 3226if ! enabled_any static shared; then
320d060a
DB
3227 cat <<EOF
3228At least one library type must be built.
3229Specify --enable-static to build the static libraries or --enable-shared to
3230build the shared libraries as well. To only build the shared libraries specify
3231--disable-static in addition to --enable-shared.
3232EOF
3233 exit 1;
3234fi
3235
2184c6f7 3236die_license_disabled() {
4c27207c 3237 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3238}
3239
e417d80d 3240die_license_disabled gpl libcdio
2184c6f7 3241die_license_disabled gpl libx264
de295976 3242die_license_disabled gpl libxavs
2184c6f7 3243die_license_disabled gpl libxvid
2184c6f7
DB
3244die_license_disabled gpl x11grab
3245
2f7ae63b 3246die_license_disabled nonfree libfaac
87246953 3247die_license_disabled nonfree libfdk_aac
a060866f 3248die_license_disabled nonfree openssl
b2e3c528 3249
0b175caa
DB
3250die_license_disabled version3 libopencore_amrnb
3251die_license_disabled version3 libopencore_amrwb
d89e738a 3252die_license_disabled version3 libvo_aacenc
f502ff3f 3253die_license_disabled version3 libvo_amrwbenc
0b175caa 3254
9cad0e4e 3255enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3256
40617a6d 3257disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3258
e276d9e8
MR
3259enable_pic() {
3260 enable pic
bce7b696
MR
3261 add_cppflags -DPIC
3262 add_cflags -fPIC
3263 add_asflags -fPIC
e276d9e8
MR
3264}
3265
3266enabled pic && enable_pic
bce7b696 3267
b4d96ba2
MR
3268check_cc <<EOF || die "Symbol mangling check failed."
3269int ff_extern;
3270EOF
2a8a860a 3271sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
3272extern_prefix=${sym%%ff_extern*}
3273
afb5ed55 3274check_cc <<EOF && enable_weak inline_asm
f65883c8
MR
3275void foo(void) { __asm__ volatile ("" ::); }
3276EOF
61d251db 3277
df5e3978
MR
3278_restrict=
3279for restrict_keyword in restrict __restrict__ __restrict; do
3280 check_cc <<EOF && _restrict=$restrict_keyword && break
3281void foo(char * $restrict_keyword p);
3282EOF
3283done
3284
3285check_cc <<EOF && enable attribute_packed
3286struct { int x; } __attribute__((packed)) x;
3287EOF
3288
dffb41b9
MR
3289check_cc <<EOF && enable attribute_may_alias
3290union { int x; } __attribute__((may_alias)) x;
3291EOF
3292
df5e3978
MR
3293check_cc <<EOF || die "endian test failed"
3294unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3295EOF
48fc536a 3296od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 3297
e939cedd
MR
3298if enabled alpha; then
3299
3300 check_cflags -mieee
3301
3302elif enabled arm; then
e45391bb 3303
66371c28 3304 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
8986fddc 3305 enabled thumb && check_cflags -mthumb || check_cflags -marm
301ab19d 3306 nogas=die
50fa82e6 3307
44caaa56
MR
3308 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3309 enable vfp_args
3310 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3311 case "${cross_prefix:-$cc}" in
3312 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3313 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
fa0912fe
MR
3314__asm__ (".eabi_attribute 28, 1");
3315int main(void) { return 0; }
3316EOF
44caaa56
MR
3317 esac
3318 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3319 fi
fa0912fe 3320
7f2b3dca
MR
3321 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3322 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3323 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
7f2b3dca 3324 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
b3267559 3325 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
7f2b3dca
MR
3326 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3327
b57c1da8
MR
3328 [ $target_os = linux ] ||
3329 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3330 $ARCH_EXT_LIST_ARM
e45391bb 3331
575db883
DB
3332 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'