3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
107 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --disable-programs do not build command line programs
111 --disable-ffmpeg disable ffmpeg build
112 --disable-ffplay disable ffplay build
113 --disable-ffprobe disable ffprobe build
114 --disable-ffserver disable ffserver build
116 Documentation options:
117 --disable-doc do not build documentation
118 --disable-htmlpages do not build HTML documentation pages
119 --disable-manpages do not build man documentation pages
120 --disable-podpages do not build POD documentation pages
121 --disable-txtpages do not build text documentation pages
124 --disable-avdevice disable libavdevice build
125 --disable-avcodec disable libavcodec build
126 --disable-avformat disable libavformat build
127 --disable-avutil disable libavutil build
128 --disable-swresample disable libswresample build
129 --disable-swscale disable libswscale build
130 --disable-postproc disable libpostproc build
131 --disable-avfilter disable libavfilter build
132 --enable-avresample enable libavresample build [no]
133 --disable-pthreads disable pthreads [auto]
134 --disable-w32threads disable Win32 threads [auto]
135 --disable-os2threads disable OS/2 threads [auto]
136 --disable-network disable network support [no]
137 --disable-dct disable DCT code
138 --disable-dwt disable DWT code
139 --disable-error-resilience disable error resilience code
140 --disable-lsp disable LSP code
141 --disable-lzo disable LZO decoder code
142 --disable-mdct disable MDCT code
143 --disable-rdft disable RDFT code
144 --disable-fft disable FFT code
146 Hardware accelerators:
147 --disable-dxva2 disable DXVA2 code [autodetect]
148 --disable-vaapi disable VAAPI code [autodetect]
149 --enable-vda enable VDA code
150 --disable-vdpau disable VDPAU code [autodetect]
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
189 External library support:
190 --enable-avisynth enable reading of AviSynth script files [no]
191 --disable-bzlib disable bzlib [autodetect]
192 --enable-fontconfig enable fontconfig
193 --enable-frei0r enable frei0r video filtering
194 --enable-gnutls enable gnutls [no]
195 --disable-iconv disable iconv [autodetect]
196 --enable-ladspa enable LADSPA audio filtering
197 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
198 --enable-libass enable libass subtitles rendering [no]
199 --enable-libbluray enable BluRay reading using libbluray [no]
200 --enable-libcaca enable textual display using libcaca
201 --enable-libcelt enable CELT decoding via libcelt [no]
202 --enable-libcdio enable audio CD grabbing with libcdio
203 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
205 --enable-libfaac enable AAC encoding via libfaac [no]
206 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
207 --enable-libflite enable flite (voice synthesis) support via libflite [no]
208 --enable-libfreetype enable libfreetype [no]
209 --enable-libgme enable Game Music Emu via libgme [no]
210 --enable-libgsm enable GSM de/encoding via libgsm [no]
211 --enable-libiec61883 enable iec61883 via libiec61883 [no]
212 --enable-libilbc enable iLBC de/encoding via libilbc [no]
213 --enable-libmodplug enable ModPlug via libmodplug [no]
214 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
215 --enable-libnut enable NUT (de)muxing via libnut,
216 native (de)muxer exists [no]
217 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
218 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
219 --enable-libopencv enable video filtering via libopencv [no]
220 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
221 --enable-libopus enable Opus decoding via libopus [no]
222 --enable-libpulse enable Pulseaudio input via libpulse [no]
223 --enable-libquvi enable quvi input via libquvi [no]
224 --enable-librtmp enable RTMP[E] support via librtmp [no]
225 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
226 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
227 --enable-libsoxr enable Include libsoxr resampling [no]
228 --enable-libspeex enable Speex de/encoding via libspeex [no]
229 --enable-libssh enable SFTP protocol via libssh [no]
230 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
231 --enable-libtheora enable Theora encoding via libtheora [no]
232 --enable-libtwolame enable MP2 encoding via libtwolame [no]
233 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
234 --enable-libv4l2 enable libv4l2/v4l-utils [no]
235 --enable-libvidstab enable video stabilization using vid.stab [no]
236 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
237 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
238 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
239 native implementation exists [no]
240 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
241 --enable-libwavpack enable wavpack encoding via libwavpack [no]
242 --enable-libx264 enable H.264 encoding via x264 [no]
243 --enable-libxavs enable AVS encoding via xavs [no]
244 --enable-libxvid enable Xvid encoding via xvidcore,
245 native MPEG-4/Xvid encoder exists [no]
246 --enable-libzmq enable message passing via libzmq [no]
247 --enable-libzvbi enable teletext support via libzvbi [no]
248 --enable-openal enable OpenAL 1.1 capture support [no]
249 --enable-opencl enable OpenCL code
250 --enable-openssl enable openssl [no]
251 --enable-x11grab enable X11 grabbing [no]
252 --disable-zlib disable zlib [autodetect]
254 Advanced options (experts only):
255 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
256 --enable-cross-compile assume a cross-compiler is used
257 --sysroot=PATH root of cross-build tree
258 --sysinclude=PATH location of cross-build system headers
259 --target-os=OS compiler targets OS [$target_os]
260 --target-exec=CMD command to run executables on target
261 --target-path=DIR path to view of build directory on target
262 --target-samples=DIR path to samples directory on target
263 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
264 --toolchain=NAME set tool defaults according to NAME
265 --nm=NM use nm tool NM [$nm_default]
266 --ar=AR use archive tool AR [$ar_default]
267 --as=AS use assembler AS [$as_default]
268 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
269 --cc=CC use C compiler CC [$cc_default]
270 --cxx=CXX use C compiler CXX [$cxx_default]
271 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
272 --ld=LD use linker LD [$ld_default]
273 --host-cc=HOSTCC use host C compiler HOSTCC
274 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
275 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
276 --host-ld=HOSTLD use host linker HOSTLD
277 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
278 --host-libs=HLIBS use libs HLIBS when linking for host
279 --host-os=OS compiler host OS [$target_os]
280 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
281 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
282 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
283 --extra-libs=ELIBS add ELIBS [$ELIBS]
284 --extra-version=STRING version string suffix []
285 --optflags=OPTFLAGS override optimization-related compiler flags
286 --build-suffix=SUFFIX library name suffix []
287 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
288 --progs-suffix=SUFFIX program name suffix []
289 --arch=ARCH select architecture [$arch]
290 --cpu=CPU select the minimum required CPU (affects
291 instruction selection, may crash on older CPUs)
292 --enable-pic build position-independent code
293 --enable-sram allow use of on-chip SRAM
294 --enable-thumb compile for Thumb instruction set
295 --disable-symver disable symbol versioning
296 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
297 --disable-safe-bitstream-reader
298 disable buffer boundary checking in bitreaders
299 (faster, but may crash)
300 --enable-memalign-hack emulate memalign, interferes with memory debuggers
301 --enable-lto use link-time optimization
303 Optimization options (experts only):
304 --disable-asm disable all assembler optimizations
305 --disable-altivec disable AltiVec optimizations
306 --disable-amd3dnow disable 3DNow! optimizations
307 --disable-amd3dnowext disable 3DNow! extended optimizations
308 --disable-mmx disable MMX optimizations
309 --disable-mmxext disable MMXEXT optimizations
310 --disable-sse disable SSE optimizations
311 --disable-sse2 disable SSE2 optimizations
312 --disable-sse3 disable SSE3 optimizations
313 --disable-ssse3 disable SSSE3 optimizations
314 --disable-sse4 disable SSE4 optimizations
315 --disable-sse42 disable SSE4.2 optimizations
316 --disable-avx disable AVX optimizations
317 --disable-fma4 disable FMA4 optimizations
318 --disable-avx2 disable AVX2 optimizations
319 --disable-armv5te disable armv5te optimizations
320 --disable-armv6 disable armv6 optimizations
321 --disable-armv6t2 disable armv6t2 optimizations
322 --disable-vfp disable VFP optimizations
323 --disable-neon disable NEON optimizations
324 --disable-vis disable VIS optimizations
325 --disable-inline-asm disable use of inline assembler
326 --disable-yasm disable use of yasm assembler
327 --disable-mips32r2 disable MIPS32R2 optimizations
328 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
329 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
330 --disable-mipsfpu disable floating point MIPS optimizations
331 --disable-fast-unaligned consider unaligned accesses slow
333 Developer options (useful when working on FFmpeg itself):
334 --disable-debug disable debugging symbols
335 --enable-debug=LEVEL set the debug level [$debuglevel]
336 --disable-optimizations disable compiler optimizations
337 --enable-extra-warnings enable more compiler warnings
338 --disable-stripping disable stripping of executables and shared libraries
339 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
340 2 causes a slowdown at runtime.
341 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
342 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
343 leaks and errors, using the specified valgrind binary.
344 Cannot be combined with --target-exec
345 --enable-ftrapv Trap arithmetic overflows
346 --samples=PATH location of test samples for FATE, if not set use
347 \$FATE_SAMPLES at make invocation time.
348 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
349 should be used only for debugging purposes)
350 --enable-random randomly enable/disable components
352 --enable-random=LIST randomly enable/disable specific components or
353 --disable-random=LIST component groups. LIST is a comma-separated list
354 of NAME[:PROB] entries where NAME is a component
355 (group) and PROB the probability associated with
357 --random-seed=VALUE seed value for --enable/disable-random
359 NOTE: Object files are built at the place where configure is launched.
367 echo "$@" >> $logfile
372 pr -n -t $1 >> $logfile
383 WARNINGS="${WARNINGS}WARNING: $*\n"
390 If you think configure made a mistake, make sure you are using the latest
391 version from Git. If the latest version fails, report the problem to the
392 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
394 if disabled logging; then
396 Rerun configure with logging enabled (do not use --disable-logging), and
397 include the log this produces with your report.
401 Include the log file "$logfile" produced by configure as this will help
408 # Avoid locale weirdness, besides we really just want to translate ASCII.
410 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
414 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
418 echo "$*" | sed 's/["\\]/\\\0/g'
422 v=$(echo "$1" | sed "s/'/'\\\\''/g")
423 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
428 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
435 eval "case $v in $pat) echo $v ;; esac"
443 eval "case $v in $pat) ;; *) echo $v ;; esac"
450 for v; do eval $m; done
456 for v; do echo ${v}${suffix}; done
471 eval : \${$var:=$value}
476 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
482 eval $(sanitize_var_name "$var")='$*'
486 eval echo \$$(sanitize_var_name "$1")
491 eval level=\${${pvar}_level:=0}
492 eval ${pvar}_${level}="\$$pvar"
493 eval ${pvar}_level=$(($level+1))
499 eval level=\${${pvar}_level:-0}
500 test $level = 0 && continue
501 eval level=$(($level-1))
502 eval $pvar="\${${pvar}_${level}}"
503 eval ${pvar}_level=$level
504 eval unset ${pvar}_${level}
526 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
532 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
538 enabled $var && continue
539 eval sel="\$${var}_select"
540 eval sgs="\$${var}_suggest"
544 enable_deep_weak $sgs
556 disabled $var && continue
565 test "${1#!}" = "$1" && op== || op=!=
566 eval test "x\$${1#!}" $op "xyes"
570 test "${1#!}" = "$1" && op== || op=!=
571 eval test "x\$${1#!}" $op "xno"
576 enabled $opt || return 1
582 disabled $opt || return 1
588 enabled $opt && return 0
594 disabled $opt && return 0
601 eval : \${$opt:=\$${opt}_default}
609 [ $var = $value ] && return 0
617 enabled ${cfg}_checking && die "Circular dependency for $cfg."
618 disabled ${cfg}_checking && continue
619 enable ${cfg}_checking
622 eval dep_all="\$${cfg}_deps"
623 eval dep_any="\$${cfg}_deps_any"
624 eval dep_sel="\$${cfg}_select"
625 eval dep_sgs="\$${cfg}_suggest"
626 eval dep_ifa="\$${cfg}_if"
627 eval dep_ifn="\$${cfg}_if_any"
629 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
630 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
631 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
633 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
634 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
635 enabled_all $dep_all || disable $cfg
636 enabled_any $dep_any || disable $cfg
637 disabled_any $dep_sel && disable $cfg
639 if enabled $cfg; then
641 enable_deep_weak $dep_sgs
644 disable ${cfg}_checking
653 for cfg in $allopts; do
654 enabled $cfg || continue
655 eval dep_extralibs="\$${cfg}_extralibs"
656 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
664 map 'eval echo "$v \${$v:-no}"' "$@" |
665 awk "BEGIN { split(\"$files\", files) }
667 c = \"$pfx\" toupper(\$1);
673 if (file ~ /\\.h\$/) {
674 printf(\"#define %s %d\\n\", c, v) >>file;
675 } else if (file ~ /\\.asm\$/) {
676 printf(\"%%define %s %d\\n\", c, v) >>file;
677 } else if (file ~ /\\.mak\$/) {
678 n = -v ? \"\" : \"!\";
679 printf(\"%s%s=yes\\n\", n, c) >>file;
680 } else if (file ~ /\\.texi\$/) {
681 pre = -v ? \"\" : \"@c \";
684 gsub(/_/, \"-\", c2);
685 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
695 enabled $v && printf "%s\n" ${v%$suf};
702 eval "$var=\"\$$var $*\""
708 eval "$var=\"$* \$$var\""
716 append CFLAGS $($cflags_filter "$@")
720 append CXXFLAGS $($cflags_filter "$@")
724 append ASFLAGS $($asflags_filter "$@")
728 append LDFLAGS $($ldflags_filter "$@")
732 prepend extralibs $($ldflags_filter "$@")
736 append host_cppflags "$@"
740 append host_cflags $($host_cflags_filter "$@")
744 append host_ldflags $($host_ldflags_filter "$@")
748 append compat_objs $1
750 map 'add_cppflags -D$v' "$@"
755 "$@" >> $logfile 2>&1
759 eval printf '%s\\n' $CC_O
763 eval printf '%s\\n' $CC_E
770 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
777 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
784 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
788 eval printf '%s\\n' $AS_O
795 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
799 log check_inline_asm "$@"
804 check_cc "$@" <<EOF && enable $name
805 void foo(void){ __asm__ volatile($code); }
811 check_inline_asm ${1}_inline "\"$2\""
812 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
820 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
824 eval printf '%s\\n' $LD_O
831 flags=$(filter_out '-l*|*.so' $@)
832 libs=$(filter '-l*|*.so' $@)
833 check_$type $($cflags_filter $flags) || return
834 flags=$($ldflags_filter $flags)
835 libs=$($ldflags_filter $libs)
836 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
846 for hdr in $headers; do
847 echo "#include <$hdr>"
849 echo "int main(void) { $code; return 0; }"
850 } | check_$check "$@"
854 log check_cppflags "$@"
855 check_cc "$@" <<EOF && append CPPFLAGS "$@"
861 log check_cflags "$@"
862 set -- $($cflags_filter "$@")
863 check_cc "$@" <<EOF && append CFLAGS "$@"
869 log check_cxxflags "$@"
870 set -- $($cflags_filter "$@")
871 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
877 log test_ldflags "$@"
878 check_ld "cc" "$@" <<EOF
879 int main(void){ return 0; }
884 log check_ldflags "$@"
885 test_ldflags "$@" && add_ldflags "$@"
889 log check_header "$@"
893 check_cpp "$@" <<EOF && enable_safe $header
904 check_ld "cc" "$@" <<EOF && enable $func
906 int main(void){ $func(); }
911 log check_mathfunc "$@"
915 test $narg = 2 && args="f, g" || args="f"
917 check_ld "cc" "$@" <<EOF && enable $func
919 float foo(float f, float g) { return $func($args); }
920 int main(void){ return (int) foo; }
924 check_func_headers(){
925 log check_func_headers "$@"
930 for hdr in $headers; do
931 echo "#include <$hdr>"
933 for func in $funcs; do
934 echo "long check_$func(void) { return (long) $func; }"
936 echo "int main(void) { return 0; }"
937 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
940 check_class_headers_cpp(){
941 log check_class_headers_cpp "$@"
946 for hdr in $headers; do
947 echo "#include <$hdr>"
949 echo "int main(void) { "
951 for class in $classes; do
956 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
959 check_cpp_condition(){
960 log check_cpp_condition "$@"
967 #error "unsatisfied condition: $condition"
977 check_header $header && check_func $func "$@" && add_extralibs "$@"
985 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
989 log check_lib_cpp "$@"
993 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
997 log check_pkg_config "$@"
1002 check_cmd $pkg_config --exists --print-errors $pkg || return
1003 pkg_cflags=$($pkg_config --cflags $pkg)
1004 pkg_libs=$($pkg_config --libs $pkg)
1005 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1006 set_safe ${pkg}_cflags $pkg_cflags &&
1007 set_safe ${pkg}_libs $pkg_libs
1011 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1017 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1018 # are safe but may not be available everywhere. Thus we use
1019 # raise(SIGTERM) instead. The check is run in a subshell so we
1020 # can redirect the "Terminated" message from the shell. SIGBUS
1021 # is not defined by standard C so it is used conditionally.
1023 (check_exec "$@") >> $logfile 2>&1 <<EOF
1025 static void sighandler(int sig){
1031 int (*func_ptr)(void) = foo;
1033 signal(SIGILL, sighandler);
1034 signal(SIGFPE, sighandler);
1035 signal(SIGSEGV, sighandler);
1037 signal(SIGBUS, sighandler);
1049 disable_safe "$type"
1050 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1054 log check_struct "$@"
1059 disable_safe "${struct}_${member}"
1060 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1061 enable_safe "${struct}_${member}"
1065 log check_builtin "$@"
1071 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1079 check_lib $header $func "$@" || die "ERROR: $name not found"
1087 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1095 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1098 require_pkg_config(){
1100 check_pkg_config "$@" || die "ERROR: $pkg not found"
1101 add_cflags $(get_safe ${pkg}_cflags)
1102 add_extralibs $(get_safe ${pkg}_libs)
1106 eval printf '%s\\n' $HOSTCC_O
1110 log check_host_cc "$@"
1113 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1116 check_host_cppflags(){
1117 log check_host_cppflags "$@"
1118 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1123 check_host_cflags(){
1124 log check_host_cflags "$@"
1125 set -- $($host_cflags_filter "$@")
1126 check_host_cc "$@" <<EOF && append host_cflags "$@"
1134 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1138 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1139 mkdir -p "$(dirname $2)"
1143 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1144 # system-dependent things.
1160 EXTERNAL_LIBRARY_LIST="
1260 $EXTERNAL_LIBRARY_LIST
1273 incompatible_libav_abi
1274 incompatible_fork_abi
1285 safe_bitstream_reader
1382 incompatible_libav_abi
1383 incompatible_fork_abi
1416 $(add_suffix _external $ARCH_EXT_LIST)
1417 $(add_suffix _inline $ARCH_EXT_LIST)
1437 cdio_paranoia_paranoia_h
1445 dev_bktr_ioctl_bt848_h
1446 dev_bktr_ioctl_meteor_h
1448 dev_video_bktr_ioctl_bt848_h
1449 dev_video_meteor_ioctl_meteor_h
1465 GetProcessAffinityMask
1466 GetProcessMemoryInfo
1468 GetSystemTimeAsFileTime
1480 jack_port_get_latency_range
1490 machine_ioctl_bt848_h
1491 machine_ioctl_meteor_h
1504 openjpeg_1_5_openjpeg_h
1517 SetConsoleTextAttribute
1526 struct_group_source_req
1527 struct_ip_mreq_source
1530 struct_rusage_ru_maxrss
1531 struct_sctp_event_subscribe
1533 struct_sockaddr_sa_len
1534 struct_sockaddr_storage
1535 struct_stat_st_mtim_tv_nsec
1536 struct_v4l2_frmivalenum_discrete
1539 sync_val_compare_and_swap
1563 # options emitted with CONFIG_ prefix but not available on the command line
1570 frame_thread_encoder
1671 # code dependency declarations
1673 # architecture extensions
1682 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1685 mips32r2_deps="mips"
1686 mipsdspr1_deps="mips"
1687 mipsdspr2_deps="mips"
1695 x86_64_select="i686"
1696 x86_64_suggest="fast_cmov"
1699 amd3dnowext_deps="amd3dnow"
1712 mmx_external_deps="yasm"
1713 mmx_inline_deps="inline_asm"
1714 mmx_suggest="mmx_external mmx_inline"
1716 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1717 eval dep=\$${ext}_deps
1718 eval ${ext}_external_deps='"${dep}_external"'
1719 eval ${ext}_inline_deps='"${dep}_inline"'
1720 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1723 aligned_stack_if_any="ppc x86"
1724 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1725 fast_clz_if_any="alpha avr32 mips ppc x86"
1726 fast_unaligned_if_any="ppc x86"
1728 inline_asm_deps="!tms470"
1729 need_memalign="altivec neon sse"
1731 symver_if_any="symver_asm_label symver_gnu_asm"
1737 error_resilience_select="dsputil"
1738 frame_thread_encoder_deps="encoders threads"
1739 lpc_select="dsputil"
1742 mpegaudio_select="mpegaudiodsp"
1743 mpegaudiodsp_select="dct"
1744 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1745 mpegvideoenc_select="mpegvideo"
1747 # decoders / encoders
1748 aac_decoder_select="mdct sinewin"
1749 aac_encoder_select="audio_frame_queue mdct sinewin"
1750 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1751 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1752 ac3_encoder_select="mdct ac3dsp dsputil"
1753 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1754 aic_decoder_select="dsputil golomb"
1755 alac_encoder_select="lpc"
1756 als_decoder_select="dsputil"
1757 amrnb_decoder_select="lsp"
1758 amrwb_decoder_select="lsp"
1759 amv_decoder_select="dsputil hpeldsp exif"
1760 amv_encoder_select="aandcttables"
1761 ape_decoder_select="dsputil"
1762 asv1_decoder_select="dsputil"
1763 asv1_encoder_select="dsputil"
1764 asv2_decoder_select="dsputil"
1765 asv2_encoder_select="dsputil"
1766 atrac1_decoder_select="mdct sinewin"
1767 atrac3_decoder_select="mdct"
1768 avrn_decoder_select="exif"
1769 bink_decoder_select="dsputil hpeldsp"
1770 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1771 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1772 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1773 cllc_decoder_select="dsputil"
1774 comfortnoise_encoder_select="lpc"
1775 cook_decoder_select="dsputil mdct sinewin"
1776 cscd_decoder_select="lzo"
1777 cscd_decoder_suggest="zlib"
1778 dca_decoder_select="mdct"
1779 dirac_decoder_select="dsputil dwt golomb videodsp"
1780 dnxhd_decoder_select="dsputil"
1781 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1782 dvvideo_decoder_select="dsputil"
1783 dvvideo_encoder_select="dsputil"
1784 dxa_decoder_select="zlib"
1785 eac3_decoder_select="ac3_decoder"
1786 eac3_encoder_select="ac3_encoder"
1787 eamad_decoder_select="aandcttables dsputil mpegvideo"
1788 eatgq_decoder_select="aandcttables"
1789 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1790 exr_decoder_select="zlib"
1791 ffv1_decoder_select="dsputil golomb rangecoder"
1792 ffv1_encoder_select="dsputil rangecoder"
1793 ffvhuff_decoder_select="dsputil"
1794 ffvhuff_encoder_select="dsputil huffman"
1795 flac_decoder_select="golomb"
1796 flac_encoder_select="dsputil golomb lpc"
1797 flashsv_decoder_select="zlib"
1798 flashsv_encoder_select="zlib"
1799 flashsv2_encoder_select="zlib"
1800 flashsv2_decoder_select="zlib"
1801 flv_decoder_select="h263_decoder"
1802 flv_encoder_select="h263_encoder"
1803 fourxm_decoder_select="dsputil"
1804 fraps_decoder_select="dsputil huffman"
1805 g2m_decoder_select="dsputil zlib"
1806 g729_decoder_select="dsputil"
1807 h261_decoder_select="error_resilience mpegvideo"
1808 h261_encoder_select="aandcttables mpegvideoenc"
1809 h263_decoder_select="error_resilience h263_parser mpegvideo"
1810 h263_encoder_select="aandcttables mpegvideoenc"
1811 h263i_decoder_select="h263_decoder"
1812 h263p_encoder_select="h263_encoder"
1813 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1814 h264_decoder_suggest="error_resilience"
1815 hevc_decoder_select="dsputil golomb videodsp"
1816 huffyuv_decoder_select="dsputil"
1817 huffyuv_encoder_select="dsputil huffman"
1818 iac_decoder_select="dsputil fft mdct sinewin"
1819 imc_decoder_select="dsputil fft mdct sinewin"
1820 indeo3_decoder_select="hpeldsp"
1821 interplay_video_decoder_select="hpeldsp"
1822 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1823 jpegls_encoder_select="golomb"
1824 jv_decoder_select="dsputil"
1825 lagarith_decoder_select="dsputil"
1826 ljpeg_encoder_select="aandcttables mpegvideoenc"
1827 loco_decoder_select="golomb"
1828 mdec_decoder_select="dsputil error_resilience mpegvideo"
1829 metasound_decoder_select="lsp mdct sinewin"
1830 mimic_decoder_select="dsputil hpeldsp"
1831 mjpeg_decoder_select="dsputil hpeldsp exif"
1832 mjpegb_decoder_select="dsputil hpeldsp exif"
1833 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1834 mlp_decoder_select="dsputil mlp_parser"
1835 motionpixels_decoder_select="dsputil"
1836 mp1_decoder_select="mpegaudio"
1837 mp1float_decoder_select="mpegaudio"
1838 mp2_decoder_select="mpegaudio"
1839 mp2float_decoder_select="mpegaudio"
1840 mp3_decoder_select="mpegaudio"
1841 mp3adu_decoder_select="mpegaudio"
1842 mp3adufloat_decoder_select="mpegaudio"
1843 mp3float_decoder_select="mpegaudio"
1844 mp3on4_decoder_select="mpegaudio"
1845 mp3on4float_decoder_select="mpegaudio"
1846 mpc7_decoder_select="dsputil mpegaudiodsp"
1847 mpc8_decoder_select="dsputil mpegaudiodsp"
1848 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1849 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1850 mpeg1video_decoder_select="error_resilience mpegvideo"
1851 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1852 mpeg2video_decoder_select="error_resilience mpegvideo"
1853 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1854 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1855 mpeg4_encoder_select="h263_encoder"
1856 msmpeg4v1_decoder_select="h263_decoder"
1857 msmpeg4v2_decoder_select="h263_decoder"
1858 msmpeg4v2_encoder_select="h263_encoder"
1859 msmpeg4v3_decoder_select="h263_decoder"
1860 msmpeg4v3_encoder_select="h263_encoder"
1861 mss2_decoder_select="error_resilience vc1_decoder"
1862 mxpeg_decoder_select="dsputil hpeldsp exif"
1863 nellymoser_decoder_select="mdct sinewin"
1864 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1865 nuv_decoder_select="dsputil lzo"
1866 png_decoder_select="zlib"
1867 png_encoder_select="dsputil zlib"
1868 prores_decoder_select="dsputil"
1869 prores_encoder_select="dsputil"
1870 qcelp_decoder_select="lsp"
1871 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1872 ra_144_encoder_select="audio_frame_queue lpc"
1873 ralf_decoder_select="golomb"
1874 rtjpeg_decoder_select="dsputil"
1875 rv10_decoder_select="error_resilience h263_decoder"
1876 rv10_encoder_select="h263_encoder"
1877 rv20_decoder_select="error_resilience h263_decoder"
1878 rv20_encoder_select="h263_encoder"
1879 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1880 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1881 shorten_decoder_select="golomb"
1882 sipr_decoder_select="lsp"
1883 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1884 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1885 sonic_decoder_select="golomb"
1886 sonic_encoder_select="golomb"
1887 sonic_ls_encoder_select="golomb"
1888 sp5x_decoder_select="dsputil hpeldsp exif"
1889 svq1_decoder_select="hpeldsp"
1890 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1891 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1892 svq3_decoder_suggest="error_resilience zlib"
1893 tak_decoder_select="dsputil"
1894 theora_decoder_select="vp3_decoder"
1895 tiff_decoder_suggest="zlib"
1896 tiff_encoder_suggest="zlib"
1897 thp_decoder_select="dsputil hpeldsp exif"
1898 truehd_decoder_select="mlp_parser"
1899 truemotion2_decoder_select="dsputil"
1900 truespeech_decoder_select="dsputil"
1901 tscc_decoder_select="zlib"
1902 twinvq_decoder_select="mdct lsp sinewin"
1903 utvideo_decoder_select="dsputil"
1904 utvideo_encoder_select="dsputil huffman"
1905 vble_decoder_select="dsputil"
1906 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1907 vc1image_decoder_select="vc1_decoder"
1908 vorbis_decoder_select="mdct"
1909 vorbis_encoder_select="mdct"
1910 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1911 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1912 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1913 vp6a_decoder_select="vp6_decoder"
1914 vp6f_decoder_select="vp6_decoder"
1915 vp8_decoder_select="h264pred videodsp"
1916 vp9_decoder_select="videodsp"
1917 webp_decoder_select="vp8_decoder"
1918 wmapro_decoder_select="mdct sinewin"
1919 wmav1_decoder_select="mdct sinewin"
1920 wmav1_encoder_select="mdct sinewin"
1921 wmav2_decoder_select="mdct sinewin"
1922 wmav2_encoder_select="mdct sinewin"
1923 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1924 wmv1_decoder_select="h263_decoder"
1925 wmv1_encoder_select="h263_encoder"
1926 wmv2_decoder_select="h263_decoder videodsp"
1927 wmv2_encoder_select="h263_encoder"
1928 wmv3_decoder_select="vc1_decoder"
1929 wmv3image_decoder_select="wmv3_decoder"
1930 zerocodec_decoder_select="zlib"
1931 zlib_decoder_select="zlib"
1932 zlib_encoder_select="zlib"
1933 zmbv_decoder_select="zlib"
1934 zmbv_encoder_select="zlib"
1936 # hardware accelerators
1937 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1938 dxva2_deps="dxva2api_h"
1939 vaapi_deps="va_va_h"
1940 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1941 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1942 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1944 h263_vaapi_hwaccel_deps="vaapi"
1945 h263_vaapi_hwaccel_select="h263_decoder"
1946 h263_vdpau_hwaccel_deps="vdpau"
1947 h263_vdpau_hwaccel_select="h263_decoder"
1948 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1949 h264_dxva2_hwaccel_deps="dxva2"
1950 h264_dxva2_hwaccel_select="h264_decoder"
1951 h264_vaapi_hwaccel_deps="vaapi"
1952 h264_vaapi_hwaccel_select="h264_decoder"
1953 h264_vda_decoder_deps="vda"
1954 h264_vda_decoder_select="h264_decoder"
1955 h264_vda_hwaccel_deps="vda"
1956 h264_vda_hwaccel_select="h264_decoder"
1957 h264_vdpau_decoder_deps="vdpau"
1958 h264_vdpau_decoder_select="h264_decoder"
1959 h264_vdpau_hwaccel_deps="vdpau"
1960 h264_vdpau_hwaccel_select="h264_decoder"
1961 mpeg_vdpau_decoder_deps="vdpau"
1962 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1963 mpeg1_vdpau_decoder_deps="vdpau"
1964 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1965 mpeg1_vdpau_hwaccel_deps="vdpau"
1966 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1967 mpeg2_crystalhd_decoder_select="crystalhd"
1968 mpeg2_dxva2_hwaccel_deps="dxva2"
1969 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1970 mpeg2_vaapi_hwaccel_deps="vaapi"
1971 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1972 mpeg2_vdpau_hwaccel_deps="vdpau"
1973 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1974 mpeg4_crystalhd_decoder_select="crystalhd"
1975 mpeg4_vaapi_hwaccel_deps="vaapi"
1976 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1977 mpeg4_vdpau_decoder_deps="vdpau"
1978 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1979 mpeg4_vdpau_hwaccel_deps="vdpau"
1980 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1981 msmpeg4_crystalhd_decoder_select="crystalhd"
1982 vc1_crystalhd_decoder_select="crystalhd"
1983 vc1_dxva2_hwaccel_deps="dxva2"
1984 vc1_dxva2_hwaccel_select="vc1_decoder"
1985 vc1_vaapi_hwaccel_deps="vaapi"
1986 vc1_vaapi_hwaccel_select="vc1_decoder"
1987 vc1_vdpau_decoder_deps="vdpau"
1988 vc1_vdpau_decoder_select="vc1_decoder"
1989 vc1_vdpau_hwaccel_deps="vdpau"
1990 vc1_vdpau_hwaccel_select="vc1_decoder"
1991 wmv3_crystalhd_decoder_select="crystalhd"
1992 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1993 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1994 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1995 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1998 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1999 mpeg4video_parser_select="error_resilience mpegvideo"
2000 mpegvideo_parser_select="error_resilience mpegvideo"
2001 vc1_parser_select="mpegvideo"
2003 # external libraries
2004 libaacplus_encoder_deps="libaacplus"
2005 libcelt_decoder_deps="libcelt"
2006 libfaac_encoder_deps="libfaac"
2007 libfaac_encoder_select="audio_frame_queue"
2008 libfdk_aac_decoder_deps="libfdk_aac"
2009 libfdk_aac_encoder_deps="libfdk_aac"
2010 libfdk_aac_encoder_select="audio_frame_queue"
2011 libgme_demuxer_deps="libgme"
2012 libgsm_decoder_deps="libgsm"
2013 libgsm_encoder_deps="libgsm"
2014 libgsm_ms_decoder_deps="libgsm"
2015 libgsm_ms_encoder_deps="libgsm"
2016 libilbc_decoder_deps="libilbc"
2017 libilbc_encoder_deps="libilbc"
2018 libmodplug_demuxer_deps="libmodplug"
2019 libmp3lame_encoder_deps="libmp3lame"
2020 libmp3lame_encoder_select="audio_frame_queue"
2021 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2022 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2023 libopencore_amrnb_encoder_select="audio_frame_queue"
2024 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2025 libopenjpeg_decoder_deps="libopenjpeg"
2026 libopenjpeg_encoder_deps="libopenjpeg"
2027 libopus_decoder_deps="libopus"
2028 libopus_encoder_deps="libopus"
2029 libopus_encoder_select="audio_frame_queue"
2030 libquvi_demuxer_deps="libquvi"
2031 libschroedinger_decoder_deps="libschroedinger"
2032 libschroedinger_encoder_deps="libschroedinger"
2033 libshine_encoder_deps="libshine"
2034 libshine_encoder_select="audio_frame_queue"
2035 libspeex_decoder_deps="libspeex"
2036 libspeex_encoder_deps="libspeex"
2037 libspeex_encoder_select="audio_frame_queue"
2038 libstagefright_h264_decoder_deps="libstagefright_h264"
2039 libtheora_encoder_deps="libtheora"
2040 libtwolame_encoder_deps="libtwolame"
2041 libvo_aacenc_encoder_deps="libvo_aacenc"
2042 libvo_aacenc_encoder_select="audio_frame_queue"
2043 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2044 libvorbis_decoder_deps="libvorbis"
2045 libvorbis_encoder_deps="libvorbis"
2046 libvorbis_encoder_select="audio_frame_queue"
2047 libvpx_vp8_decoder_deps="libvpx"
2048 libvpx_vp8_encoder_deps="libvpx"
2049 libvpx_vp9_decoder_deps="libvpx"
2050 libvpx_vp9_encoder_deps="libvpx"
2051 libwavpack_encoder_deps="libwavpack"
2052 libx264_encoder_deps="libx264"
2053 libx264rgb_encoder_deps="libx264"
2054 libxavs_encoder_deps="libxavs"
2055 libxvid_encoder_deps="libxvid"
2056 libutvideo_decoder_deps="libutvideo"
2057 libutvideo_encoder_deps="libutvideo"
2058 libzvbi_teletext_decoder_deps="libzvbi"
2061 ac3_demuxer_select="ac3_parser"
2062 asf_demuxer_select="riffdec"
2063 asf_muxer_select="riffenc"
2064 asf_stream_muxer_select="asf_muxer"
2065 avi_demuxer_select="riffdec"
2066 avi_muxer_select="riffenc"
2067 avisynth_demuxer_deps="avisynth"
2068 avisynth_demuxer_select="riffdec"
2069 caf_demuxer_select="riffdec"
2070 dirac_demuxer_select="dirac_parser"
2071 dts_demuxer_select="dca_parser"
2072 dtshd_demuxer_select="dca_parser"
2073 dxa_demuxer_select="riffdec"
2074 eac3_demuxer_select="ac3_parser"
2075 f4v_muxer_select="mov_muxer"
2076 flac_demuxer_select="flac_parser"
2077 hls_muxer_select="mpegts_muxer"
2078 ipod_muxer_select="mov_muxer"
2079 ismv_muxer_select="mov_muxer"
2080 libnut_demuxer_deps="libnut"
2081 libnut_muxer_deps="libnut"
2082 matroska_audio_muxer_select="matroska_muxer"
2083 matroska_demuxer_select="riffdec"
2084 matroska_demuxer_suggest="bzlib lzo zlib"
2085 matroska_muxer_select="riffenc"
2086 mmf_muxer_select="riffenc"
2087 mov_demuxer_select="riffdec"
2088 mov_demuxer_suggest="zlib"
2089 mov_muxer_select="riffenc rtpenc_chain"
2090 mp3_demuxer_select="mpegaudio_parser"
2091 mp4_muxer_select="mov_muxer"
2092 mpegts_muxer_select="adts_muxer latm_muxer"
2093 mpegtsraw_demuxer_select="mpegts_demuxer"
2094 mxf_d10_muxer_select="mxf_muxer"
2095 nut_muxer_select="riffenc"
2096 nuv_demuxer_select="riffdec"
2097 ogg_demuxer_select="golomb"
2098 psp_muxer_select="mov_muxer"
2099 rtp_demuxer_select="sdp_demuxer"
2100 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2101 rtsp_demuxer_select="http_protocol rtpdec"
2102 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2103 sap_demuxer_select="sdp_demuxer"
2104 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2105 sdp_demuxer_select="rtpdec"
2106 smoothstreaming_muxer_select="ismv_muxer"
2107 spdif_muxer_select="aac_parser"
2108 tak_demuxer_select="tak_parser"
2109 tg2_muxer_select="mov_muxer"
2110 tgp_muxer_select="mov_muxer"
2111 vobsub_demuxer_select="mpegps_demuxer"
2112 w64_demuxer_select="wav_demuxer"
2113 w64_muxer_select="wav_muxer"
2114 wav_demuxer_select="riffdec"
2115 wav_muxer_select="riffenc"
2116 webm_muxer_select="riffenc"
2117 wtv_demuxer_select="riffdec"
2118 xmv_demuxer_select="riffdec"
2119 xwma_demuxer_select="riffdec"
2122 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2123 alsa_outdev_deps="alsa_asoundlib_h"
2124 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2125 caca_outdev_deps="libcaca"
2126 dshow_indev_deps="IBaseFilter"
2127 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2128 dv1394_indev_deps="dv1394"
2129 dv1394_indev_select="dv_demuxer"
2130 fbdev_indev_deps="linux_fb_h"
2131 fbdev_outdev_deps="linux_fb_h"
2132 iec61883_indev_deps="libiec61883"
2133 jack_indev_deps="jack_jack_h sem_timedwait"
2134 lavfi_indev_deps="avfilter"
2135 libcdio_indev_deps="libcdio"
2136 libdc1394_indev_deps="libdc1394"
2137 libv4l2_indev_deps="libv4l2"
2138 openal_indev_deps="openal"
2139 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2140 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2141 pulse_indev_deps="libpulse"
2142 pulse_outdev_deps="libpulse"
2143 sdl_outdev_deps="sdl"
2144 sndio_indev_deps="sndio_h"
2145 sndio_outdev_deps="sndio_h"
2146 v4l_indev_deps="linux_videodev_h"
2147 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2148 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2149 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2150 vfwcap_indev_extralibs="-lavicap32"
2151 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2152 xv_outdev_extralibs="-lXv -lX11 -lXext"
2153 x11grab_indev_deps="x11grab"
2156 bluray_protocol_deps="libbluray"
2157 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2158 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2159 ffrtmpcrypt_protocol_select="tcp_protocol"
2160 ffrtmphttp_protocol_deps="!librtmp_protocol"
2161 ffrtmphttp_protocol_select="http_protocol"
2162 ftp_protocol_select="tcp_protocol"
2163 gopher_protocol_select="network"
2164 httpproxy_protocol_select="tcp_protocol"
2165 http_protocol_select="tcp_protocol"
2166 https_protocol_select="tls_protocol"
2167 librtmp_protocol_deps="librtmp"
2168 librtmpe_protocol_deps="librtmp"
2169 librtmps_protocol_deps="librtmp"
2170 librtmpt_protocol_deps="librtmp"
2171 librtmpte_protocol_deps="librtmp"
2172 libssh_protocol_deps="libssh"
2173 mmsh_protocol_select="http_protocol"
2174 mmst_protocol_select="network"
2175 rtmp_protocol_deps="!librtmp_protocol"
2176 rtmp_protocol_select="tcp_protocol"
2177 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2178 rtmps_protocol_deps="!librtmp_protocol"
2179 rtmps_protocol_select="tls_protocol"
2180 rtmpt_protocol_select="ffrtmphttp_protocol"
2181 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2182 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2183 rtp_protocol_select="udp_protocol"
2184 sctp_protocol_deps="struct_sctp_event_subscribe"
2185 sctp_protocol_select="network"
2186 srtp_protocol_select="rtp_protocol"
2187 tcp_protocol_select="network"
2188 tls_protocol_deps_any="openssl gnutls"
2189 tls_protocol_select="tcp_protocol"
2190 udp_protocol_select="network"
2191 unix_protocol_deps="sys_un_h"
2192 unix_protocol_select="network"
2195 aconvert_filter_deps="swresample"
2196 amovie_filter_deps="avcodec avformat"
2197 aresample_filter_deps="swresample"
2198 ass_filter_deps="libass"
2199 asyncts_filter_deps="avresample"
2200 atempo_filter_deps="avcodec"
2201 atempo_filter_select="rdft"
2202 azmq_filter_deps="libzmq"
2203 blackframe_filter_deps="gpl"
2204 boxblur_filter_deps="gpl"
2205 colormatrix_filter_deps="gpl"
2206 cropdetect_filter_deps="gpl"
2207 dctdnoiz_filter_deps="avcodec"
2208 dctdnoiz_filter_select="fft"
2209 delogo_filter_deps="gpl"
2210 deshake_filter_deps="avcodec"
2211 deshake_filter_select="dsputil"
2212 drawtext_filter_deps="libfreetype"
2213 ebur128_filter_deps="gpl"
2214 flite_filter_deps="libflite"
2215 frei0r_filter_deps="frei0r dlopen"
2216 frei0r_filter_extralibs='$ldl'
2217 frei0r_src_filter_deps="frei0r dlopen"
2218 frei0r_src_filter_extralibs='$ldl'
2219 geq_filter_deps="gpl"
2220 histeq_filter_deps="gpl"
2221 hqdn3d_filter_deps="gpl"
2222 interlace_filter_deps="gpl"
2223 kerndeint_filter_deps="gpl"
2224 ladspa_filter_deps="ladspa dlopen"
2225 mcdeint_filter_deps="avcodec gpl"
2226 movie_filter_deps="avcodec avformat"
2227 mp_filter_deps="gpl avcodec swscale inline_asm"
2228 mpdecimate_filter_deps="gpl avcodec"
2229 mptestsrc_filter_deps="gpl"
2230 negate_filter_deps="lut_filter"
2231 perspective_filter_deps="gpl"
2232 resample_filter_deps="avresample"
2233 ocv_filter_deps="libopencv"
2234 owdenoise_filter_deps="gpl"
2235 pan_filter_deps="swresample"
2236 phase_filter_deps="gpl"
2237 pp_filter_deps="gpl postproc"
2238 pullup_filter_deps="gpl"
2239 removelogo_filter_deps="avcodec avformat swscale"
2240 sab_filter_deps="gpl swscale"
2241 scale_filter_deps="swscale"
2242 smartblur_filter_deps="gpl swscale"
2243 showspectrum_filter_deps="avcodec"
2244 showspectrum_filter_select="rdft"
2245 spp_filter_deps="gpl avcodec"
2246 spp_filter_select="fft"
2247 stereo3d_filter_deps="gpl"
2248 subtitles_filter_deps="avformat avcodec libass"
2249 super2xsai_filter_deps="gpl"
2250 tinterlace_filter_deps="gpl"
2251 vidstabdetect_filter_deps="libvidstab"
2252 vidstabtransform_filter_deps="libvidstab"
2253 yadif_filter_deps="gpl"
2254 pixfmts_super2xsai_test_deps="super2xsai_filter"
2255 tinterlace_merge_test_deps="tinterlace_filter"
2256 tinterlace_pad_test_deps="tinterlace_filter"
2257 zmq_filter_deps="libzmq"
2260 avcodec_deps="avutil"
2261 avdevice_deps="avutil avcodec avformat"
2262 avfilter_deps="avutil"
2263 avformat_deps="avutil avcodec"
2264 avresample_deps="avutil"
2265 postproc_deps="avutil gpl"
2266 swscale_deps="avutil"
2269 ffmpeg_deps="avcodec avfilter avformat swresample"
2270 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2272 setpts_filter trim_filter"
2273 ffplay_deps="avcodec avformat swscale swresample sdl"
2274 ffplay_select="rdft crop_filter"
2275 ffprobe_deps="avcodec avformat"
2276 ffserver_deps="avformat fork sarestart"
2277 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2278 ffserver_extralibs='$ldl'
2281 podpages_deps="perl"
2282 manpages_deps="perl pod2man"
2283 htmlpages_deps="texi2html"
2284 txtpages_deps="makeinfo"
2285 doc_deps_any="manpages htmlpages podpages txtpages"
2287 # default parameters
2289 logfile="config.log"
2291 # installation paths
2292 prefix_default="/usr/local"
2293 bindir_default='${prefix}/bin'
2294 datadir_default='${prefix}/share/ffmpeg'
2295 docdir_default='${prefix}/share/doc/ffmpeg'
2296 incdir_default='${prefix}/include'
2297 libdir_default='${prefix}/lib'
2298 mandir_default='${prefix}/share/man'
2299 shlibdir_default="$libdir_default"
2305 host_cc_default="gcc"
2311 pkg_config_default=pkg-config
2313 strip_default="strip"
2314 yasmexe_default="yasm"
2319 arch_default=$(uname -m)
2323 target_os_default=$(tolower $(uname -s))
2324 host_os=$target_os_default
2326 # configurable options
2327 enable $PROGRAM_LIST
2328 enable $DOCUMENT_LIST
2329 enable $(filter_out avresample $LIBRARY_LIST)
2335 enable optimizations
2336 enable runtime_cpudetect
2337 enable safe_bitstream_reader
2339 enable swscale_alpha
2341 # Enable hwaccels by default.
2342 enable dxva2 vaapi vdpau
2345 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2348 FULLNAME='$(NAME)$(BUILDSUF)'
2349 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2352 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2353 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2354 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2355 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2356 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2357 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2377 host_cflags='-O3 -g'
2378 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2380 host_cflags_filter=echo
2381 host_ldflags_filter=echo
2383 target_path='$(CURDIR)'
2385 # since the object filename is not given with the -MM flag, the compiler
2386 # is only able to print the basename, and we must add the path ourselves
2387 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2391 if test -f configure; then
2394 source_path=$(cd $(dirname "$0"); pwd)
2395 echo "$source_path" | grep -q '[[:blank:]]' &&
2396 die "Out of tree builds are impossible with whitespace in source path."
2397 test -e "$source_path/config.h" &&
2398 die "Out of tree builds are impossible with config.h in source dir."
2405 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2411 file=$source_path/$3
2412 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2415 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2416 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2417 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2418 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2419 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2420 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2421 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2422 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2423 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2424 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2425 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2441 for n in $COMPONENT_LIST; do
2442 v=$(toupper ${n%s})_LIST
2444 eval ${n}_if_any="\$$v"
2447 enable $ARCH_EXT_LIST
2450 echo "Unknown option \"$1\"."
2451 echo "See $0 --help for available options."
2456 cat | tr ' ' '\n' | sort | pr -r -3 -t
2462 echo $* | sed s/$suffix//g | print_3_columns
2474 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2475 echo "prob ${prob:-0.5}"
2483 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2484 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2494 add_extralibs $optval
2497 disable $INDEV_LIST $OUTDEV_LIST
2500 debuglevel="$optval"
2503 disable $PROGRAM_LIST
2505 --disable-everything)
2506 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2509 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2510 disable $LIBRARY_LIST $PROGRAM_LIST doc
2512 --enable-random|--disable-random)
2513 action=${opt%%-random}
2514 do_random ${action#--} $COMPONENT_LIST
2516 --enable-random=*|--disable-random=*)
2517 action=${opt%%-random=*}
2518 do_random ${action#--} $optval
2520 --enable-*=*|--disable-*=*)
2521 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2522 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2523 eval list=\$$(toupper $thing)_LIST
2524 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2525 list=$(filter "$name" $list)
2526 [ "$list" = "" ] && warn "Option $opt did not match anything"
2529 --enable-?*|--disable-?*)
2530 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2531 if is_in $option $COMPONENT_LIST; then
2532 test $action = disable && action=unset
2533 eval $action \$$(toupper ${option%s})_LIST
2534 elif is_in $option $CMDLINE_SELECT; then
2541 NAME="${opt#--list-}"
2542 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2544 eval show_list $NAME \$$(toupper $NAME)_LIST
2546 --help|-h) show_help
2548 --fatal-warnings) enable fatal_warnings
2551 optname="${opt%%=*}"
2552 optname="${optname#--}"
2553 optname=$(echo "$optname" | sed 's/-/_/g')
2554 if is_in $optname $CMDLINE_SET; then
2555 eval $optname='$optval'
2556 elif is_in $optname $CMDLINE_APPEND; then
2557 append $optname "$optval"
2565 disabled logging && logfile=/dev/null
2567 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2570 test -n "$cross_prefix" && enable cross_compile
2572 if enabled cross_compile; then
2573 test -n "$arch" && test -n "$target_os" ||
2574 die "Must specify target arch and OS when cross-compiling"
2577 ar_default="${cross_prefix}${ar_default}"
2578 cc_default="${cross_prefix}${cc_default}"
2579 cxx_default="${cross_prefix}${cxx_default}"
2580 nm_default="${cross_prefix}${nm_default}"
2581 pkg_config_default="${cross_prefix}${pkg_config_default}"
2582 ranlib="${cross_prefix}${ranlib}"
2583 strip_default="${cross_prefix}${strip_default}"
2585 sysinclude_default="${sysroot}/usr/include"
2587 test -n "$valgrind" && toolchain="valgrind-memcheck"
2589 case "$toolchain" in
2592 add_cflags -fsanitize=address
2593 add_ldflags -fsanitize=address
2597 add_cflags -fsanitize=thread -pie
2598 add_ldflags -fsanitize=thread -pie
2602 add_cflags -fsanitize=address
2603 add_ldflags -fsanitize=address
2607 add_cflags -fsanitize=thread -pie -fPIC
2608 add_ldflags -fsanitize=thread -pie -fPIC
2611 target_exec_default=${valgrind:-"valgrind"}
2612 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
2615 target_exec_default=${valgrind:-"valgrind"}
2616 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2619 cc_default="c99wrap cl"
2620 ld_default="c99wrap link"
2621 nm_default="dumpbin -symbols"
2623 target_os_default="win32"
2626 cc_default="c99wrap -noconv icl"
2627 ld_default="c99wrap xilink"
2628 nm_default="dumpbin -symbols"
2630 target_os_default="win32"
2633 add_cflags -fprofile-arcs -ftest-coverage
2634 add_ldflags -fprofile-arcs -ftest-coverage
2637 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2638 add_ldflags -Wl,-z,relro -Wl,-z,now
2641 die "Unknown toolchain $toolchain"
2645 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2646 enabled cross_compile || host_cc_default=$cc
2649 if ! $pkg_config --version >/dev/null 2>&1; then
2650 warn "$pkg_config not found, library detection may fail."
2656 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2660 EXESUF=$(exesuf $target_os)
2661 HOSTEXESUF=$(exesuf $host_os)
2663 # set temporary file name
2664 : ${TMPDIR:=$TEMPDIR}
2668 if [ -n "$tempprefix" ] ; then
2670 echo $tempprefix.${HOSTNAME}.${UID}
2672 elif ! check_cmd mktemp -u XXXXXX; then
2673 # simple replacement for missing mktemp
2674 # NOT SAFE FOR GENERAL USE
2676 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2681 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2682 (set -C; exec > $tmp) 2>/dev/null ||
2683 die "Unable to create temporary file in $TMPDIR."
2684 append TMPFILES $tmp
2688 trap 'rm -f -- $TMPFILES' EXIT
2693 tmpfile TMPE $EXESUF
2704 # make sure we can execute files in $TMPDIR
2705 cat > $TMPSH 2>> $logfile <<EOF
2708 chmod +x $TMPSH >> $logfile 2>&1
2709 if ! $TMPSH >> $logfile 2>&1; then
2711 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2712 variable to another directory and make sure that it is not mounted noexec.
2714 die "Sanity test failed."
2720 -std=c99) echo -c99 ;;
2721 -mcpu=*) echo -arch ${flag#*=} ;;
2722 -mieee) echo -ieee ;;
2723 -O*|-fast) echo $flag ;;
2724 -fno-math-errno) echo -assume nomath_errno ;;
2726 -Wall) echo -msg_enable level2 ;;
2727 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2728 -Wl,*) echo $flag ;;
2738 -Wno-switch) echo -Wno-switch-enum ;;
2739 -Wno-format-zero-length) ;;
2740 -Wdisabled-optimization) ;;
2741 -Wno-pointer-sign) echo -Wno-other ;;
2747 msvc_common_flags(){
2750 # In addition to specifying certain flags under the compiler
2751 # specific filters, they must be specified here as well or else the
2752 # generic catch all at the bottom will print the original flag.
2756 -fomit-frame-pointer) ;;
2760 -fno-signed-zeros) ;;
2764 -lz) echo zlib.lib ;;
2765 -lavifil32) echo vfw32.lib ;;
2766 -lavicap32) echo vfw32.lib user32.lib ;;
2767 -l*) echo ${flag#-l}.lib ;;
2774 msvc_common_flags "$@"
2777 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2778 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2779 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2787 msvc_common_flags "$@"
2790 # Despite what Intel's documentation says -Wall, which is supported
2791 # on Windows, does enable remarks so disable them here.
2792 -Wall) echo $flag -Qdiag-disable:remark ;;
2793 -std=c99) echo -Qstd=c99 ;;
2801 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2802 -fomit-frame-pointer) echo -Mnoframe ;;
2813 case "${flag#*=}" in
2814 native) echo -xtarget=native ;;
2815 v9|niagara) echo -xarch=sparc ;;
2816 ultrasparc) echo -xarch=sparcvis ;;
2817 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2818 i586|pentium) echo -xchip=pentium ;;
2819 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2820 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2821 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2822 pentium4*) echo -xtarget=pentium4 ;;
2823 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2824 *-sse3) echo -xarch=sse3 ;;
2825 core2) echo -xarch=ssse3 -xchip=core2 ;;
2826 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2827 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2828 amdfam10|barcelona) echo -xtarget=barcelona ;;
2829 bdver*) echo -xarch=avx ;;
2830 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2831 k8|opteron|athlon64|athlon-fx)
2832 echo -xarch=sse2a ;;
2833 athlon*) echo -xarch=pentium_proa ;;
2836 -std=c99) echo -xc99 ;;
2837 -fomit-frame-pointer) echo -xregs=frameptr ;;
2838 -fPIC) echo -KPIC -xcode=pic32 ;;
2839 -W*,*) echo $flag ;;
2840 -f*-*|-W*|-mimpure-text) ;;
2851 case "${flag#*=}" in
2852 armv7-a|cortex-a*) echo -mv=7a8 ;;
2853 armv7-r|cortex-r*) echo -mv=7r4 ;;
2854 armv7-m|cortex-m*) echo -mv=7m3 ;;
2855 armv6*|arm11*) echo -mv=6 ;;
2856 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2858 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2861 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2862 -mfpu=vfp) echo --float_support=vfpv2 ;;
2863 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2864 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2865 -msoft-float) echo --float_support=vfplib ;;
2866 -O[0-3]|-mf=*) echo $flag ;;
2868 -pds=*) echo $flag ;;
2869 -D*|-I*) echo $flag ;;
2870 --gcc|--abi=*) echo $flag ;;
2880 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2881 unset _ld_o _ldflags _ld_lib _ld_path
2882 unset _depflags _DEPCMD _DEPFLAGS
2885 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2887 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2888 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2889 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2892 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2894 gcc_version=$($_cc --version | head -n1)
2895 gcc_basever=$($_cc -dumpversion)
2896 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2897 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2898 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2899 if ! $_cc -dumpversion | grep -q '^2\.'; then
2900 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2904 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2906 _ident=$($_cc --version | head -n1)
2911 elif $_cc -v 2>&1 | grep -q xlc; then
2913 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2915 _cflags_size='-O5 -qcompact'
2916 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2918 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2920 _cflags_speed='-fast'
2922 _flags_filter=ccc_flags
2923 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2924 test -d "$sysroot" || die "No valid sysroot specified."
2926 _ident=$($_cc --vsn | head -n1)
2927 armcc_conf="$PWD/armcc.conf"
2928 $_cc --arm_linux_configure \
2929 --arm_linux_config_file="$armcc_conf" \
2930 --configure_sysroot="$sysroot" \
2931 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2932 die "Error creating armcc configuration file."
2933 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2934 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2935 as_default="${cross_prefix}gcc"
2939 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2941 _ident=$($_cc -version | head -n1 | tr -s ' ')
2942 _flags='--gcc --abi=eabi -me'
2945 _depflags='-ppa -ppd=$(@:.o=.d)'
2946 _cflags_speed='-O3 -mf=5'
2947 _cflags_size='-O3 -mf=2'
2948 _flags_filter=tms470_flags
2949 elif $_cc -v 2>&1 | grep -q clang; then
2951 _ident=$($_cc --version | head -n1)
2955 elif $_cc -V 2>&1 | grep -q Sun; then
2957 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2958 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2959 _DEPFLAGS='-xM1 -xc99'
2962 _cflags_size='-O5 -xspace'
2963 _flags_filter=suncc_flags
2964 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2966 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2967 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2970 _flags_filter='filter_out -Wdisabled-optimization'
2971 elif $_cc -v 2>&1 | grep -q Open64; then
2973 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2974 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2977 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2978 elif $_cc -V 2>&1 | grep -q Portland; then
2980 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2981 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2982 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2983 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2985 _flags_filter=pgi_flags
2986 elif $_cc 2>&1 | grep -q Microsoft; then
2988 _ident=$($cc 2>&1 | head -n1)
2989 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2990 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2993 # Nonstandard output options, to avoid msys path conversion issues.
2994 # Relies on wrapper to remap it.
2995 if $_cc 2>&1 | grep -q Linker; then
3002 _flags_filter=msvc_flags
3004 _ld_path='-libpath:'
3006 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3007 if [ $pfx = hostcc ]; then
3008 append _cflags -Dsnprintf=_snprintf
3011 elif $_cc 2>&1 | grep -q Intel; then
3013 _ident=$($cc 2>&1 | head -n1)
3014 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3015 # Not only is O3 broken on 13.x+ but it is slower on all previous
3016 # versions (tested) as well.
3018 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3019 # Nonstandard output options, to avoid msys path conversion issues.
3020 # Relies on wrapper to remap it.
3021 if $_cc 2>&1 | grep -q Linker; then
3028 _flags_filter=icl_flags
3030 _ld_path='-libpath:'
3031 # -Qdiag-error to make icl error when seeing certain unknown arguments
3032 _flags='-nologo -Qdiag-error:4044,10157'
3033 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3034 # with MSVC which enables it by default.
3035 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3036 if [ $pfx = hostcc ]; then
3037 append _cflags -Dsnprintf=_snprintf
3039 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3041 _ident=$($_cc --version | head -n1)
3045 _flags_filter=cparser_flags
3048 eval ${pfx}_type=\$_type
3049 eval ${pfx}_ident=\$_ident
3053 eval ${1}_C=\${_cc_c-\${${1}_C}}
3054 eval ${1}_E=\${_cc_e-\${${1}_E}}
3055 eval ${1}_O=\${_cc_o-\${${1}_O}}
3057 if [ -n "$_depflags" ]; then
3058 eval ${1}_DEPFLAGS=\$_depflags
3060 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3061 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3062 eval DEP${1}FLAGS=\$_flags
3067 cflags_filter=$_flags_filter
3068 cflags_speed=$_cflags_speed
3069 cflags_size=$_cflags_size
3070 cflags_noopt=$_cflags_noopt
3071 add_cflags $_flags $_cflags
3072 cc_ldflags=$_ldflags
3075 probe_cc hostcc "$host_cc"
3076 host_cflags_filter=$_flags_filter
3077 add_host_cflags $_flags $_cflags
3080 test -n "$cc_type" && enable $cc_type ||
3081 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3083 : ${as_default:=$cc}
3084 : ${dep_cc_default:=$cc}
3085 : ${ld_default:=$cc}
3086 : ${host_ld_default:=$host_cc}
3087 set_default ar as dep_cc ld host_ld
3090 asflags_filter=$_flags_filter
3091 add_asflags $_flags $_cflags
3095 ldflags_filter=$_flags_filter
3096 add_ldflags $_flags $_ldflags
3097 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3099 LD_LIB=${_ld_lib-$LD_LIB}
3100 LD_PATH=${_ld_path-$LD_PATH}
3102 probe_cc hostld "$host_ld"
3103 host_ldflags_filter=$_flags_filter
3104 add_host_ldflags $_flags $_ldflags
3105 HOSTLD_O=${_ld_o-$HOSTLD_O}
3107 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3108 probe_cc depcc "$dep_cc"
3109 CCDEP=${_DEPCMD:-$DEPCMD}
3110 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3114 if $ar 2>&1 | grep -q Microsoft; then
3117 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3120 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3121 arflags='-Xany -r -c'
3128 add_cflags $extra_cflags
3129 add_cxxflags $extra_cxxflags
3130 add_asflags $extra_cflags
3132 if test -n "$sysroot"; then
3135 add_cppflags --sysroot="$sysroot"
3136 add_ldflags --sysroot="$sysroot"
3139 add_cppflags -I"$sysinclude"
3140 add_ldflags --sysroot="$sysroot"
3145 if test "$cpu" = host; then
3146 enabled cross_compile &&
3147 die "--cpu=host makes no sense when cross-compiling."
3152 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3154 s/.*$1=\\([^ ]*\\).*/\\1/
3159 cpu=$(check_native -march || check_native -mcpu)
3163 test "${cpu:-host}" = host &&
3164 die "--cpu=host not supported with compiler $cc"
3167 # Deal with common $arch aliases
3181 "Power Macintosh"|ppc*|powerpc*)
3196 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3201 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3204 # Add processor-specific flags
3205 if enabled aarch64; then
3209 cpuflags="-march=$cpu"
3212 cpuflags="-mcpu=$cpu"
3216 elif enabled alpha; then
3218 cpuflags="-mcpu=$cpu"
3220 elif enabled arm; then
3223 check_cpp_condition stddef.h \
3224 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3229 if check_arm_arch 4; then echo armv4;
3230 elif check_arm_arch 4T; then echo armv4t;
3231 elif check_arm_arch 5; then echo armv5;
3232 elif check_arm_arch 5E; then echo armv5e;
3233 elif check_arm_arch 5T; then echo armv5t;
3234 elif check_arm_arch 5TE; then echo armv5te;
3235 elif check_arm_arch 5TEJ; then echo armv5te;
3236 elif check_arm_arch 6; then echo armv6;
3237 elif check_arm_arch 6J; then echo armv6j;
3238 elif check_arm_arch 6K; then echo armv6k;
3239 elif check_arm_arch 6Z; then echo armv6z;
3240 elif check_arm_arch 6ZK; then echo armv6zk;
3241 elif check_arm_arch 6T2; then echo armv6t2;
3242 elif check_arm_arch 7; then echo armv7;
3243 elif check_arm_arch 7A 7_A; then echo armv7-a;
3244 elif check_arm_arch 7R 7_R; then echo armv7-r;
3245 elif check_arm_arch 7M 7_M; then echo armv7-m;
3246 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3247 elif check_arm_arch 8A 8_A; then echo armv8-a;
3251 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3255 cpuflags="-march=$cpu"
3256 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3259 cpuflags="-mcpu=$cpu"
3261 cortex-a*) subarch=armv7a ;;
3262 cortex-r*) subarch=armv7r ;;
3263 cortex-m*) enable thumb; subarch=armv7m ;;
3264 arm11*) subarch=armv6 ;;
3265 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3266 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3267 *) subarch=$(probe_arm_arch) ;;
3273 armv5t*) enable fast_clz ;;
3274 armv[6-8]*) enable fast_clz fast_unaligned ;;
3277 elif enabled avr32; then
3282 cpuflags="-mpart=$cpu"
3286 cpuflags="-march=$cpu"
3290 cpuflags="-mcpu=$cpu"
3294 cpuflags="-march=$cpu"
3298 elif enabled bfin; then
3300 cpuflags="-mcpu=$cpu"
3302 elif enabled mips; then
3304 cpuflags="-march=$cpu"
3320 24kef*|34kf*|1004kf*)
3328 elif enabled ppc; then
3330 case $(tolower $cpu) in
3331 601|ppc601|powerpc601)
3332 cpuflags="-mcpu=601"
3335 603*|ppc603*|powerpc603*)
3336 cpuflags="-mcpu=603"
3339 604*|ppc604*|powerpc604*)
3340 cpuflags="-mcpu=604"
3343 g3|75*|ppc75*|powerpc75*)
3344 cpuflags="-mcpu=750"
3347 g4|745*|ppc745*|powerpc745*)
3348 cpuflags="-mcpu=7450"
3350 74*|ppc74*|powerpc74*)
3351 cpuflags="-mcpu=7400"
3353 g5|970|ppc970|powerpc970)
3354 cpuflags="-mcpu=970"
3357 cpuflags="-mcpu=$cpu"
3360 cpuflags="-mcpu=cell"
3364 cpuflags="-mcpu=e500mc"
3368 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3372 cpuflags="-mcpu=8540 -mhard-float"
3377 elif enabled sparc; then
3380 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3381 cpuflags="-mcpu=$cpu"
3384 ultrasparc*|niagara[234])
3385 cpuflags="-mcpu=$cpu"
3389 elif enabled x86; then
3393 cpuflags="-march=$cpu"
3396 # targets that do NOT support nopl and conditional mov (cmov)
3397 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3398 cpuflags="-march=$cpu"
3401 # targets that do support nopl and conditional mov (cmov)
3402 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*)
3403 cpuflags="-march=$cpu"
3407 # targets that do support conditional mov but on which it's slow
3408 pentium4|pentium4m|prescott|nocona)
3409 cpuflags="-march=$cpu"
3417 if [ "$cpu" != generic ]; then
3418 add_cflags $cpuflags
3419 add_asflags $cpuflags
3422 # compiler sanity check
3424 int main(void){ return 0; }
3426 if test "$?" != 0; then
3427 echo "$cc is unable to create an executable file."
3428 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3429 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3430 echo "Only do this if you know what cross compiling means."
3432 die "C compiler test failed."
3435 add_cppflags -D_ISOC99_SOURCE
3436 add_cxxflags -D__STDC_CONSTANT_MACROS
3437 check_cflags -std=c99
3438 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3441 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3445 check_host_cflags -std=c99
3446 check_host_cflags -Wall
3452 check_code cc "" "int test[2*($expr) - 1]" &&
3453 subarch=$arch64 || subarch=$arch32
3461 check_64bit mips mips64 '_MIPS_SIM > 1'
3465 check_64bit parisc parisc64 'sizeof(void *) > 4'
3469 check_64bit ppc ppc64 'sizeof(void *) > 4'
3473 check_64bit sparc sparc64 'sizeof(void *) > 4'
3477 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3478 if test "$subarch" = "x86_64"; then
3483 check_cc <<EOF && subarch="ppc64"
3484 int test[(int)sizeof(char*) - 7];
3490 enabled spic && enable_weak pic
3496 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3497 enabled shared && add_ldflags -Wl,-brtl
3500 prefix_default="/boot/common"
3501 network_extralibs="-lnetwork"
3505 SHFLAGS='-shared -Wl,-h,$$(@F)'
3506 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3507 network_extralibs="-lsocket -lnsl"
3508 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3509 # When using suncc to build, the Solaris linker will mark
3510 # an executable with each instruction set encountered by
3511 # the Solaris assembler. As our libraries contain their own
3512 # guards for processor-specific code, instead suppress
3513 # generation of the HWCAPS ELF section on Solaris x86 only.
3514 enabled_all suncc x86 &&
3515 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3516 add_ldflags -Wl,-M,mapfile
3517 nm_default='nm -P -g'
3521 oss_indev_extralibs="-lossaudio"
3522 oss_outdev_extralibs="-lossaudio"
3523 enabled gcc || check_ldflags -Wl,-zmuldefs
3528 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3530 oss_indev_extralibs="-lossaudio"
3531 oss_outdev_extralibs="-lossaudio"
3539 add_extralibs -lpoll -lgnugetopt
3543 gas="gas-preprocessor.pl $cc"
3544 enabled ppc && add_asflags -force_cpusubtype_ALL
3545 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3546 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3548 add_ldflags -Wl,-dynamic,-search_paths_first
3550 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3551 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3553 enabled x86_64 && objformat="macho64"
3554 enabled_any pic shared ||
3555 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3558 if test $target_os = "mingw32ce"; then
3564 if enabled x86_64; then
3565 LIBTARGET="i386:x86-64"
3566 elif enabled arm; then
3569 check_ldflags -Wl,--nxcompat
3570 check_ldflags -Wl,--dynamicbase
3571 shlibdir_default="$bindir_default"
3574 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3575 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3576 dlltool="${cross_prefix}dlltool"
3577 if check_cmd lib.exe -list; then
3578 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3579 if enabled x86_64; then
3582 elif check_cmd $dlltool --version; then
3583 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3585 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3587 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3588 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3589 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3595 if enabled shared; then
3596 # Link to the import library instead of the normal static library
3599 # Cannot build both shared and static libs with MSVC or icl.
3602 shlibdir_default="$bindir_default"
3605 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3606 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3607 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3608 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3610 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3611 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3612 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3619 shlibdir_default="$bindir_default"
3622 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3623 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3624 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3626 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3627 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3631 *-dos|freedos|opendos)
3632 network_extralibs="-lsocket"
3635 add_cppflags -U__STRICT_ANSI__
3642 ranlib="echo ignoring ranlib"
3648 add_cppflags -D_GNU_SOURCE
3649 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3650 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3654 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3655 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3656 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3657 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3658 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3659 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3660 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3661 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3662 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3663 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3664 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3666 enable_weak os2threads
3669 add_cppflags -D_BSD_SOURCE
3674 add_cppflags -D_QNX_SOURCE
3675 network_extralibs="-lsocket"
3680 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3681 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3682 add_ldflags -Wl,--target1-abs,--no-undefined \
3683 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3684 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3685 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3686 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3687 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3690 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3695 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3696 -D_REENTRANT_SOURCE \
3697 -D_RESEARCH_SOURCE \
3700 add_compat strtod.o strtod=avpriv_strtod
3701 network_extralibs='-lbsd'
3702 exeobjs=compat/plan9/main.o
3709 die "Unknown OS '$target_os'."
3713 # determine libc flavour
3715 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3716 if check_cpp_condition features.h "defined __UCLIBC__"; then
3718 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3719 elif check_cpp_condition features.h "defined __GLIBC__"; then
3721 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3722 # MinGW headers can be installed on Cygwin, so check for newlib first.
3723 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3725 add_cppflags -U__STRICT_ANSI__
3726 elif check_header _mingw.h; then
3728 check_cpp_condition _mingw.h \
3729 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3730 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3731 die "ERROR: MinGW runtime version must be >= 3.15."
3732 add_cppflags -U__STRICT_ANSI__
3733 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3734 __MINGW64_VERSION_MAJOR < 3"; then
3735 add_compat msvcrt/snprintf.o
3736 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3738 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3740 elif check_func_headers stdlib.h _get_doserrno; then
3742 add_compat strtod.o strtod=avpriv_strtod
3743 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3744 _snprintf=avpriv_snprintf \
3745 vsnprintf=avpriv_vsnprintf
3746 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3747 # 0x601 by default unless something else is set by the user.
3748 # This can easily lead to us detecting functions only present
3749 # in such new versions and producing binaries requiring windows 7.0.
3750 # Therefore explicitly set the default to XP unless the user has
3751 # set something else on the command line.
3752 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3753 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3755 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3757 add_compat strtod.o strtod=avpriv_strtod
3760 test -n "$libc_type" && enable $libc_type
3762 # hacks for compiler/libc/os combinations
3764 if enabled_all tms470 glibc; then
3765 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3766 add_cppflags -D__USER_LABEL_PREFIX__=
3767 add_cppflags -D__builtin_memset=memset
3768 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3769 add_cflags -pds=48 # incompatible redefinition of macro
3772 if enabled_all ccc glibc; then
3773 add_ldflags -Wl,-z,now # calls to libots crash without this
3777 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3780 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3782 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3784 set_default $PATHS_LIST
3787 # we need to build at least one lib type
3788 if ! enabled_any static shared; then
3790 At least one library type must be built.
3791 Specify --enable-static to build the static libraries or --enable-shared to
3792 build the shared libraries as well. To only build the shared libraries specify
3793 --disable-static in addition to --enable-shared.
3798 # backward compatibility layer for incompatible_libav/fork_abi
3799 enabled incompatible_fork_abi && enable incompatible_libav_abi
3800 enabled incompatible_libav_abi && enable incompatible_fork_abi
3802 die_license_disabled() {
3803 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3806 die_license_disabled_gpl() {
3807 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3810 die_license_disabled gpl frei0r
3811 die_license_disabled gpl libcdio
3812 die_license_disabled gpl libutvideo
3813 die_license_disabled gpl libvidstab
3814 die_license_disabled gpl libx264
3815 die_license_disabled gpl libxavs
3816 die_license_disabled gpl libxvid
3817 die_license_disabled gpl libzvbi
3818 die_license_disabled gpl x11grab
3820 die_license_disabled nonfree libaacplus
3821 die_license_disabled nonfree libfaac
3822 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3823 enabled gpl && die_license_disabled_gpl nonfree openssl
3825 die_license_disabled version3 libopencore_amrnb
3826 die_license_disabled version3 libopencore_amrwb
3827 die_license_disabled version3 libvo_aacenc
3828 die_license_disabled version3 libvo_amrwbenc
3830 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3832 disabled optimizations || check_cflags -fomit-frame-pointer
3835 disabled pic && return
3838 case "$target_os" in
3848 enabled pic && enable_weak_pic
3850 check_cc <<EOF || die "Symbol mangling check failed."
3853 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3854 extern_prefix=${sym%%ff_extern*}
3856 check_cc <<EOF && enable_weak inline_asm
3857 void foo(void) { __asm__ volatile ("" ::); }
3861 for restrict_keyword in restrict __restrict__ __restrict; do
3862 check_cc <<EOF && _restrict=$restrict_keyword && break
3863 void foo(char * $restrict_keyword p);
3867 check_cc <<EOF && enable pragma_deprecated
3868 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3871 check_cc <<EOF && enable attribute_packed
3872 struct { int x; } __attribute__((packed)) x;
3875 check_cc <<EOF && enable attribute_may_alias
3876 union { int x; } __attribute__((may_alias)) x;
3879 check_cc <<EOF || die "endian test failed"
3880 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3882 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3884 check_inline_asm inline_asm_labels '"1:\n"'
3886 if enabled alpha; then
3890 elif enabled arm; then
3892 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3893 float func(float a, float b){ return a+b; }
3896 enabled thumb && check_cflags -mthumb || check_cflags -marm
3899 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3901 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3902 case "${cross_prefix:-$cc}" in
3903 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3904 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3905 __asm__ (".eabi_attribute 28, 1");
3906 int main(void) { return 0; }
3909 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3912 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3913 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3914 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3915 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3916 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3917 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3919 [ $target_os = linux ] ||
3920 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3923 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3924 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3926 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3928 elif enabled mips; then
3930 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3931 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3932 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3933 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3934 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3935 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3936 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3937 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3938 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3940 elif enabled parisc; then
3942 if enabled gcc; then
3943 case $($cc -dumpversion) in
3944 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3948 elif enabled ppc; then
3950 enable local_aligned_8 local_aligned_16
3952 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3953 check_inline_asm ibm_asm '"add 0, 0, 0"'
3954 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3955 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3957 # AltiVec flags: The FSF version of GCC differs from the Apple version
3958 if enabled altivec; then
3959 if ! enabled_any pic ppc64; then
3962 check_cflags -maltivec -mabi=altivec &&
3963 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3964 check_cflags -faltivec
3966 # check if our compiler supports Motorola AltiVec C API
3967 check_cc <<EOF || disable altivec
3970 vector signed int v1 = (vector signed int) { 0 };
3971 vector signed int v2 = (vector signed int) { 1 };
3972 v1 = vec_add(v1, v2);
3977 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3980 elif enabled sparc; then
3982 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3984 elif enabled x86; then
3986 check_builtin rdtsc intrin.h "__rdtsc()"
3987 check_builtin mm_empty mmintrin.h "_mm_empty()"
3989 enable local_aligned_8 local_aligned_16
3991 # check whether EBP is available on x86
3992 # As 'i' is stored on the stack, this program will crash
3993 # if the base pointer is used to access it because the
3994 # base pointer is cleared in the inline assembly code.
3995 check_exec_crash <<EOF && enable ebp_available
3997 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4001 # check whether EBX is available on x86
4002 check_inline_asm ebx_available '""::"b"(0)' &&
4003 check_inline_asm ebx_available '"":::"%ebx"'
4005 # check whether xmm clobbers are supported
4006 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4008 # check whether binutils is new enough to compile SSSE3/MMXEXT
4009 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4010 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4012 if ! disabled_any asm mmx yasm; then
4013 if check_cmd $yasmexe --version; then
4014 enabled x86_64 && yasm_extra="-m amd64"
4015 yasm_debug="-g dwarf2"
4016 elif check_cmd nasm -v; then
4018 yasm_debug="-g -F dwarf"
4019 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4022 YASMFLAGS="-f $objformat $yasm_extra"
4023 enabled pic && append YASMFLAGS "-DPIC"
4024 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4025 case "$objformat" in
4026 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4029 check_yasm "movbe ecx, [5]" && enable yasm ||
4030 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4031 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4032 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4033 check_yasm "CPU amdnop" && enable cpunop
4037 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)