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]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
112 --disable-programs do not build command line programs
113 --disable-ffmpeg disable ffmpeg build
114 --disable-ffplay disable ffplay build
115 --disable-ffprobe disable ffprobe build
116 --disable-ffserver disable ffserver build
118 Documentation options:
119 --disable-doc do not build documentation
120 --disable-htmlpages do not build HTML documentation pages
121 --disable-manpages do not build man documentation pages
122 --disable-podpages do not build POD documentation pages
123 --disable-txtpages do not build text documentation pages
126 --disable-avdevice disable libavdevice build
127 --disable-avcodec disable libavcodec build
128 --disable-avformat disable libavformat build
129 --disable-avutil disable libavutil build
130 --disable-swresample disable libswresample build
131 --disable-swscale disable libswscale build
132 --disable-postproc disable libpostproc build
133 --disable-avfilter disable libavfilter build
134 --enable-avresample enable libavresample build [no]
135 --disable-pthreads disable pthreads [auto]
136 --disable-w32threads disable Win32 threads [auto]
137 --disable-os2threads disable OS/2 threads [auto]
138 --disable-network disable network support [no]
139 --disable-dct disable DCT code
140 --disable-dwt disable DWT code
141 --disable-error-resilience disable error resilience code
142 --disable-lsp disable LSP code
143 --disable-lzo disable LZO decoder code
144 --disable-mdct disable MDCT code
145 --disable-rdft disable RDFT code
146 --disable-fft disable FFT code
148 Hardware accelerators:
149 --disable-dxva2 disable DXVA2 code [autodetect]
150 --disable-vaapi disable VAAPI code [autodetect]
151 --enable-vda enable VDA code
152 --disable-vdpau disable VDPAU code [autodetect]
154 Individual component options:
155 --disable-everything disable all components listed below
156 --disable-encoder=NAME disable encoder NAME
157 --enable-encoder=NAME enable encoder NAME
158 --disable-encoders disable all encoders
159 --disable-decoder=NAME disable decoder NAME
160 --enable-decoder=NAME enable decoder NAME
161 --disable-decoders disable all decoders
162 --disable-hwaccel=NAME disable hwaccel NAME
163 --enable-hwaccel=NAME enable hwaccel NAME
164 --disable-hwaccels disable all hwaccels
165 --disable-muxer=NAME disable muxer NAME
166 --enable-muxer=NAME enable muxer NAME
167 --disable-muxers disable all muxers
168 --disable-demuxer=NAME disable demuxer NAME
169 --enable-demuxer=NAME enable demuxer NAME
170 --disable-demuxers disable all demuxers
171 --enable-parser=NAME enable parser NAME
172 --disable-parser=NAME disable parser NAME
173 --disable-parsers disable all parsers
174 --enable-bsf=NAME enable bitstream filter NAME
175 --disable-bsf=NAME disable bitstream filter NAME
176 --disable-bsfs disable all bitstream filters
177 --enable-protocol=NAME enable protocol NAME
178 --disable-protocol=NAME disable protocol NAME
179 --disable-protocols disable all protocols
180 --enable-indev=NAME enable input device NAME
181 --disable-indev=NAME disable input device NAME
182 --disable-indevs disable input devices
183 --enable-outdev=NAME enable output device NAME
184 --disable-outdev=NAME disable output device NAME
185 --disable-outdevs disable output devices
186 --disable-devices disable all devices
187 --enable-filter=NAME enable filter NAME
188 --disable-filter=NAME disable filter NAME
189 --disable-filters disable all filters
191 External library support:
192 --enable-avisynth enable reading of AviSynth script files [no]
193 --disable-bzlib disable bzlib [autodetect]
194 --enable-fontconfig enable fontconfig
195 --enable-frei0r enable frei0r video filtering
196 --enable-gnutls enable gnutls [no]
197 --disable-iconv disable iconv [autodetect]
198 --enable-ladspa enable LADSPA audio filtering
199 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
200 --enable-libass enable libass subtitles rendering [no]
201 --enable-libbluray enable BluRay reading using libbluray [no]
202 --enable-libcaca enable textual display using libcaca
203 --enable-libcelt enable CELT decoding via libcelt [no]
204 --enable-libcdio enable audio CD grabbing with libcdio
205 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
207 --enable-libfaac enable AAC encoding via libfaac [no]
208 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
209 --enable-libflite enable flite (voice synthesis) support via libflite [no]
210 --enable-libfreetype enable libfreetype [no]
211 --enable-libgme enable Game Music Emu via libgme [no]
212 --enable-libgsm enable GSM de/encoding via libgsm [no]
213 --enable-libiec61883 enable iec61883 via libiec61883 [no]
214 --enable-libilbc enable iLBC de/encoding via libilbc [no]
215 --enable-libmodplug enable ModPlug via libmodplug [no]
216 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
217 --enable-libnut enable NUT (de)muxing via libnut,
218 native (de)muxer exists [no]
219 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
220 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
221 --enable-libopencv enable video filtering via libopencv [no]
222 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
223 --enable-libopus enable Opus decoding via libopus [no]
224 --enable-libpulse enable Pulseaudio input via libpulse [no]
225 --enable-libquvi enable quvi input via libquvi [no]
226 --enable-librtmp enable RTMP[E] support via librtmp [no]
227 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
228 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
229 --enable-libsoxr enable Include libsoxr resampling [no]
230 --enable-libspeex enable Speex de/encoding via libspeex [no]
231 --enable-libssh enable SFTP protocol via libssh [no]
232 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
233 --enable-libtheora enable Theora encoding via libtheora [no]
234 --enable-libtwolame enable MP2 encoding via libtwolame [no]
235 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
236 --enable-libv4l2 enable libv4l2/v4l-utils [no]
237 --enable-libvidstab enable video stabilization using vid.stab [no]
238 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
239 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
240 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
241 native implementation exists [no]
242 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
243 --enable-libwavpack enable wavpack encoding via libwavpack [no]
244 --enable-libx264 enable H.264 encoding via x264 [no]
245 --enable-libxavs enable AVS encoding via xavs [no]
246 --enable-libxvid enable Xvid encoding via xvidcore,
247 native MPEG-4/Xvid encoder exists [no]
248 --enable-libzmq enable message passing via libzmq [no]
249 --enable-libzvbi enable teletext support via libzvbi [no]
250 --enable-openal enable OpenAL 1.1 capture support [no]
251 --enable-opencl enable OpenCL code
252 --enable-openssl enable openssl [no]
253 --enable-x11grab enable X11 grabbing [no]
254 --disable-zlib disable zlib [autodetect]
256 Advanced options (experts only):
257 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
258 --enable-cross-compile assume a cross-compiler is used
259 --sysroot=PATH root of cross-build tree
260 --sysinclude=PATH location of cross-build system headers
261 --target-os=OS compiler targets OS [$target_os]
262 --target-exec=CMD command to run executables on target
263 --target-path=DIR path to view of build directory on target
264 --target-samples=DIR path to samples directory on target
265 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
266 --toolchain=NAME set tool defaults according to NAME
267 --nm=NM use nm tool NM [$nm_default]
268 --ar=AR use archive tool AR [$ar_default]
269 --as=AS use assembler AS [$as_default]
270 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
271 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
272 --cc=CC use C compiler CC [$cc_default]
273 --cxx=CXX use C compiler CXX [$cxx_default]
274 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
275 --ld=LD use linker LD [$ld_default]
276 --host-cc=HOSTCC use host C compiler HOSTCC
277 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
278 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
279 --host-ld=HOSTLD use host linker HOSTLD
280 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
281 --host-libs=HLIBS use libs HLIBS when linking for host
282 --host-os=OS compiler host OS [$target_os]
283 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
284 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
285 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
286 --extra-libs=ELIBS add ELIBS [$ELIBS]
287 --extra-version=STRING version string suffix []
288 --optflags=OPTFLAGS override optimization-related compiler flags
289 --build-suffix=SUFFIX library name suffix []
290 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
291 --progs-suffix=SUFFIX program name suffix []
292 --arch=ARCH select architecture [$arch]
293 --cpu=CPU select the minimum required CPU (affects
294 instruction selection, may crash on older CPUs)
295 --enable-pic build position-independent code
296 --enable-sram allow use of on-chip SRAM
297 --enable-thumb compile for Thumb instruction set
298 --disable-symver disable symbol versioning
299 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
300 --disable-safe-bitstream-reader
301 disable buffer boundary checking in bitreaders
302 (faster, but may crash)
303 --enable-memalign-hack emulate memalign, interferes with memory debuggers
304 --enable-lto use link-time optimization
306 Optimization options (experts only):
307 --disable-asm disable all assembler optimizations
308 --disable-altivec disable AltiVec optimizations
309 --disable-amd3dnow disable 3DNow! optimizations
310 --disable-amd3dnowext disable 3DNow! extended optimizations
311 --disable-mmx disable MMX optimizations
312 --disable-mmxext disable MMXEXT optimizations
313 --disable-sse disable SSE optimizations
314 --disable-sse2 disable SSE2 optimizations
315 --disable-sse3 disable SSE3 optimizations
316 --disable-ssse3 disable SSSE3 optimizations
317 --disable-sse4 disable SSE4 optimizations
318 --disable-sse42 disable SSE4.2 optimizations
319 --disable-avx disable AVX optimizations
320 --disable-fma4 disable FMA4 optimizations
321 --disable-avx2 disable AVX2 optimizations
322 --disable-armv5te disable armv5te optimizations
323 --disable-armv6 disable armv6 optimizations
324 --disable-armv6t2 disable armv6t2 optimizations
325 --disable-vfp disable VFP optimizations
326 --disable-neon disable NEON optimizations
327 --disable-vis disable VIS optimizations
328 --disable-inline-asm disable use of inline assembler
329 --disable-yasm disable use of yasm assembler
330 --disable-mips32r2 disable MIPS32R2 optimizations
331 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
332 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
333 --disable-mipsfpu disable floating point MIPS optimizations
334 --disable-fast-unaligned consider unaligned accesses slow
336 Developer options (useful when working on FFmpeg itself):
337 --disable-debug disable debugging symbols
338 --enable-debug=LEVEL set the debug level [$debuglevel]
339 --disable-optimizations disable compiler optimizations
340 --enable-extra-warnings enable more compiler warnings
341 --disable-stripping disable stripping of executables and shared libraries
342 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
343 2 causes a slowdown at runtime.
344 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
345 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
346 leaks and errors, using the specified valgrind binary.
347 Cannot be combined with --target-exec
348 --enable-ftrapv Trap arithmetic overflows
349 --samples=PATH location of test samples for FATE, if not set use
350 \$FATE_SAMPLES at make invocation time.
351 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
352 should be used only for debugging purposes)
353 --enable-random randomly enable/disable components
355 --enable-random=LIST randomly enable/disable specific components or
356 --disable-random=LIST component groups. LIST is a comma-separated list
357 of NAME[:PROB] entries where NAME is a component
358 (group) and PROB the probability associated with
360 --random-seed=VALUE seed value for --enable/disable-random
362 NOTE: Object files are built at the place where configure is launched.
370 echo "$@" >> $logfile
375 pr -n -t $1 >> $logfile
386 WARNINGS="${WARNINGS}WARNING: $*\n"
393 If you think configure made a mistake, make sure you are using the latest
394 version from Git. If the latest version fails, report the problem to the
395 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
397 if disabled logging; then
399 Rerun configure with logging enabled (do not use --disable-logging), and
400 include the log this produces with your report.
404 Include the log file "$logfile" produced by configure as this will help
411 # Avoid locale weirdness, besides we really just want to translate ASCII.
413 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
417 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
421 echo "$*" | sed 's/["\\]/\\\0/g'
425 v=$(echo "$1" | sed "s/'/'\\\\''/g")
426 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
431 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
438 eval "case $v in $pat) echo $v ;; esac"
446 eval "case $v in $pat) ;; *) echo $v ;; esac"
453 for v; do eval $m; done
459 for v; do echo ${v}${suffix}; done
474 eval : \${$var:=$value}
479 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
485 eval $(sanitize_var_name "$var")='$*'
489 eval echo \$$(sanitize_var_name "$1")
494 eval level=\${${pvar}_level:=0}
495 eval ${pvar}_${level}="\$$pvar"
496 eval ${pvar}_level=$(($level+1))
502 eval level=\${${pvar}_level:-0}
503 test $level = 0 && continue
504 eval level=$(($level-1))
505 eval $pvar="\${${pvar}_${level}}"
506 eval ${pvar}_level=$level
507 eval unset ${pvar}_${level}
529 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
535 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
541 enabled $var && continue
542 eval sel="\$${var}_select"
543 eval sgs="\$${var}_suggest"
547 enable_deep_weak $sgs
559 disabled $var && continue
568 test "${1#!}" = "$1" && op== || op=!=
569 eval test "x\$${1#!}" $op "xyes"
573 test "${1#!}" = "$1" && op== || op=!=
574 eval test "x\$${1#!}" $op "xno"
579 enabled $opt || return 1
585 disabled $opt || return 1
591 enabled $opt && return 0
597 disabled $opt && return 0
604 eval : \${$opt:=\$${opt}_default}
612 [ $var = $value ] && return 0
620 enabled ${cfg}_checking && die "Circular dependency for $cfg."
621 disabled ${cfg}_checking && continue
622 enable ${cfg}_checking
625 eval dep_all="\$${cfg}_deps"
626 eval dep_any="\$${cfg}_deps_any"
627 eval dep_sel="\$${cfg}_select"
628 eval dep_sgs="\$${cfg}_suggest"
629 eval dep_ifa="\$${cfg}_if"
630 eval dep_ifn="\$${cfg}_if_any"
632 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
633 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
634 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
636 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
637 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
638 enabled_all $dep_all || disable $cfg
639 enabled_any $dep_any || disable $cfg
640 disabled_any $dep_sel && disable $cfg
642 if enabled $cfg; then
644 enable_deep_weak $dep_sgs
647 disable ${cfg}_checking
656 for cfg in $allopts; do
657 enabled $cfg || continue
658 eval dep_extralibs="\$${cfg}_extralibs"
659 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
667 map 'eval echo "$v \${$v:-no}"' "$@" |
668 awk "BEGIN { split(\"$files\", files) }
670 c = \"$pfx\" toupper(\$1);
676 if (file ~ /\\.h\$/) {
677 printf(\"#define %s %d\\n\", c, v) >>file;
678 } else if (file ~ /\\.asm\$/) {
679 printf(\"%%define %s %d\\n\", c, v) >>file;
680 } else if (file ~ /\\.mak\$/) {
681 n = -v ? \"\" : \"!\";
682 printf(\"%s%s=yes\\n\", n, c) >>file;
683 } else if (file ~ /\\.texi\$/) {
684 pre = -v ? \"\" : \"@c \";
687 gsub(/_/, \"-\", c2);
688 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
698 enabled $v && printf "%s\n" ${v%$suf};
705 eval "$var=\"\$$var $*\""
711 eval "$var=\"$* \$$var\""
719 append CFLAGS $($cflags_filter "$@")
723 append CXXFLAGS $($cflags_filter "$@")
727 append ASFLAGS $($asflags_filter "$@")
731 append LDFLAGS $($ldflags_filter "$@")
735 append ASMSTRIPFLAGS "$@"
739 prepend extralibs $($ldflags_filter "$@")
743 append host_cppflags "$@"
747 append host_cflags $($host_cflags_filter "$@")
751 append host_ldflags $($host_ldflags_filter "$@")
755 append compat_objs $1
757 map 'add_cppflags -D$v' "$@"
762 "$@" >> $logfile 2>&1
766 eval printf '%s\\n' $CC_O
770 eval printf '%s\\n' $CC_E
777 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
784 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
791 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
795 eval printf '%s\\n' $AS_O
802 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
806 log check_inline_asm "$@"
811 check_cc "$@" <<EOF && enable $name
812 void foo(void){ __asm__ volatile($code); }
818 check_inline_asm ${1}_inline "\"$2\""
819 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
827 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
831 eval printf '%s\\n' $LD_O
838 flags=$(filter_out '-l*|*.so' $@)
839 libs=$(filter '-l*|*.so' $@)
840 check_$type $($cflags_filter $flags) || return
841 flags=$($ldflags_filter $flags)
842 libs=$($ldflags_filter $libs)
843 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
853 for hdr in $headers; do
854 echo "#include <$hdr>"
856 echo "int main(void) { $code; return 0; }"
857 } | check_$check "$@"
861 log check_cppflags "$@"
862 check_cc "$@" <<EOF && append CPPFLAGS "$@"
869 set -- $($cflags_filter "$@")
876 log check_cflags "$@"
877 test_cflags "$@" && add_cflags "$@"
881 log check_cxxflags "$@"
882 set -- $($cflags_filter "$@")
883 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
889 log test_ldflags "$@"
890 check_ld "cc" "$@" <<EOF
891 int main(void){ return 0; }
896 log check_ldflags "$@"
897 test_ldflags "$@" && add_ldflags "$@"
901 log test_stripflags "$@"
902 # call check_cc to get a fresh TMPO
904 int main(void) { return 0; }
906 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
910 log check_stripflags "$@"
911 test_stripflags "$@" && add_stripflags "$@"
915 log check_header "$@"
919 check_cpp "$@" <<EOF && enable_safe $header
930 check_ld "cc" "$@" <<EOF && enable $func
932 int main(void){ $func(); }
937 log check_mathfunc "$@"
941 test $narg = 2 && args="f, g" || args="f"
943 check_ld "cc" "$@" <<EOF && enable $func
945 float foo(float f, float g) { return $func($args); }
946 int main(void){ return (int) foo; }
950 check_func_headers(){
951 log check_func_headers "$@"
956 for hdr in $headers; do
957 echo "#include <$hdr>"
959 for func in $funcs; do
960 echo "long check_$func(void) { return (long) $func; }"
962 echo "int main(void) { return 0; }"
963 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
966 check_class_headers_cpp(){
967 log check_class_headers_cpp "$@"
972 for hdr in $headers; do
973 echo "#include <$hdr>"
975 echo "int main(void) { "
977 for class in $classes; do
982 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
985 check_cpp_condition(){
986 log check_cpp_condition "$@"
993 #error "unsatisfied condition: $condition"
1003 check_header $header && check_func $func "$@" && add_extralibs "$@"
1011 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1015 log check_lib_cpp "$@"
1019 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1023 log check_pkg_config "$@"
1028 check_cmd $pkg_config --exists --print-errors $pkg || return
1029 pkg_cflags=$($pkg_config --cflags $pkg)
1030 pkg_libs=$($pkg_config --libs $pkg)
1031 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1032 set_safe ${pkg}_cflags $pkg_cflags &&
1033 set_safe ${pkg}_libs $pkg_libs
1037 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1043 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1044 # are safe but may not be available everywhere. Thus we use
1045 # raise(SIGTERM) instead. The check is run in a subshell so we
1046 # can redirect the "Terminated" message from the shell. SIGBUS
1047 # is not defined by standard C so it is used conditionally.
1049 (check_exec "$@") >> $logfile 2>&1 <<EOF
1051 static void sighandler(int sig){
1057 int (*func_ptr)(void) = foo;
1059 signal(SIGILL, sighandler);
1060 signal(SIGFPE, sighandler);
1061 signal(SIGSEGV, sighandler);
1063 signal(SIGBUS, sighandler);
1075 disable_safe "$type"
1076 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1080 log check_struct "$@"
1085 disable_safe "${struct}_${member}"
1086 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1087 enable_safe "${struct}_${member}"
1091 log check_builtin "$@"
1097 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1105 check_lib $header $func "$@" || die "ERROR: $name not found"
1113 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1121 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1124 require_pkg_config(){
1126 check_pkg_config "$@" || die "ERROR: $pkg not found"
1127 add_cflags $(get_safe ${pkg}_cflags)
1128 add_extralibs $(get_safe ${pkg}_libs)
1131 require_libfreetype(){
1132 log require_libfreetype "$@"
1134 check_cmd $pkg_config --exists --print-errors $pkg \
1135 || die "ERROR: $pkg not found"
1136 pkg_cflags=$($pkg_config --cflags $pkg)
1137 pkg_libs=$($pkg_config --libs $pkg)
1139 echo "#include <ft2build.h>"
1140 echo "#include FT_FREETYPE_H"
1141 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1142 echo "int main(void) { return 0; }"
1143 } | check_ld "cc" $pkg_cflags $pkg_libs \
1144 && set_safe ${pkg}_cflags $pkg_cflags \
1145 && set_safe ${pkg}_libs $pkg_libs \
1146 || die "ERROR: $pkg not found"
1147 add_cflags $(get_safe ${pkg}_cflags)
1148 add_extralibs $(get_safe ${pkg}_libs)
1152 eval printf '%s\\n' $HOSTCC_E
1156 eval printf '%s\\n' $HOSTCC_O
1160 log check_host_cc "$@"
1163 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1167 log check_host_cpp "$@"
1170 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1173 check_host_cppflags(){
1174 log check_host_cppflags "$@"
1175 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1180 check_host_cflags(){
1181 log check_host_cflags "$@"
1182 set -- $($host_cflags_filter "$@")
1183 check_host_cc "$@" <<EOF && append host_cflags "$@"
1188 check_host_cpp_condition(){
1189 log check_host_cpp_condition "$@"
1193 check_host_cpp "$@" <<EOF
1196 #error "unsatisfied condition: $condition"
1204 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1208 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1209 mkdir -p "$(dirname $2)"
1213 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1214 # system-dependent things.
1231 decoding_encoding_example
1232 demuxing_decoding_example
1233 filtering_audio_example
1234 filtering_video_example
1237 resampling_audio_example
1238 scaling_video_example
1239 transcode_aac_example
1242 EXTERNAL_LIBRARY_LIST="
1343 $EXTERNAL_LIBRARY_LIST
1356 incompatible_libav_abi
1357 incompatible_fork_abi
1368 safe_bitstream_reader
1465 incompatible_libav_abi
1466 incompatible_fork_abi
1499 $(add_suffix _external $ARCH_EXT_LIST)
1500 $(add_suffix _inline $ARCH_EXT_LIST)
1520 cdio_paranoia_paranoia_h
1528 dev_bktr_ioctl_bt848_h
1529 dev_bktr_ioctl_meteor_h
1531 dev_video_bktr_ioctl_bt848_h
1532 dev_video_meteor_ioctl_meteor_h
1548 GetProcessAffinityMask
1549 GetProcessMemoryInfo
1551 GetSystemTimeAsFileTime
1564 jack_port_get_latency_range
1575 machine_ioctl_bt848_h
1576 machine_ioctl_meteor_h
1588 openjpeg_1_5_openjpeg_h
1601 SetConsoleTextAttribute
1610 struct_group_source_req
1611 struct_ip_mreq_source
1614 struct_rusage_ru_maxrss
1615 struct_sctp_event_subscribe
1617 struct_sockaddr_sa_len
1618 struct_sockaddr_storage
1619 struct_stat_st_mtim_tv_nsec
1620 struct_v4l2_frmivalenum_discrete
1623 sync_val_compare_and_swap
1649 # options emitted with CONFIG_ prefix but not available on the command line
1656 frame_thread_encoder
1759 # code dependency declarations
1761 # architecture extensions
1770 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1773 mips32r2_deps="mips"
1774 mipsdspr1_deps="mips"
1775 mipsdspr2_deps="mips"
1783 x86_64_select="i686"
1784 x86_64_suggest="fast_cmov"
1787 amd3dnowext_deps="amd3dnow"
1800 mmx_external_deps="yasm"
1801 mmx_inline_deps="inline_asm"
1802 mmx_suggest="mmx_external mmx_inline"
1804 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1805 eval dep=\$${ext}_deps
1806 eval ${ext}_external_deps='"${dep}_external"'
1807 eval ${ext}_inline_deps='"${dep}_inline"'
1808 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1811 aligned_stack_if_any="ppc x86"
1812 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1813 fast_clz_if_any="alpha avr32 mips ppc x86"
1814 fast_unaligned_if_any="ppc x86"
1816 need_memalign="altivec neon sse"
1818 # system capabilities
1819 log2_deps="!libc_msvcrt"
1821 symver_if_any="symver_asm_label symver_gnu_asm"
1824 atomics_gcc_if="sync_val_compare_and_swap"
1825 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1826 atomics_win32_if="MemoryBarrier"
1827 atomics_native_if_any="$ATOMICS_LIST"
1828 threads_if_any="$THREADS_LIST"
1832 error_resilience_select="dsputil"
1833 frame_thread_encoder_deps="encoders threads"
1834 lpc_select="dsputil"
1837 mpegaudio_select="mpegaudiodsp"
1838 mpegaudiodsp_select="dct"
1839 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1840 mpegvideoenc_select="mpegvideo"
1842 # decoders / encoders
1843 aac_decoder_select="mdct sinewin"
1844 aac_encoder_select="audio_frame_queue mdct sinewin"
1845 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1846 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1847 ac3_encoder_select="mdct ac3dsp dsputil"
1848 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1849 aic_decoder_select="dsputil golomb"
1850 alac_encoder_select="lpc"
1851 als_decoder_select="dsputil"
1852 amrnb_decoder_select="lsp"
1853 amrwb_decoder_select="lsp"
1854 amv_decoder_select="dsputil hpeldsp exif"
1855 amv_encoder_select="aandcttables"
1856 ape_decoder_select="dsputil"
1857 asv1_decoder_select="dsputil"
1858 asv1_encoder_select="dsputil"
1859 asv2_decoder_select="dsputil"
1860 asv2_encoder_select="dsputil"
1861 atrac1_decoder_select="mdct sinewin"
1862 atrac3_decoder_select="mdct"
1863 avrn_decoder_select="exif"
1864 bink_decoder_select="dsputil hpeldsp"
1865 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1866 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1867 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1868 cllc_decoder_select="dsputil"
1869 comfortnoise_encoder_select="lpc"
1870 cook_decoder_select="dsputil mdct sinewin"
1871 cscd_decoder_select="lzo"
1872 cscd_decoder_suggest="zlib"
1873 dca_decoder_select="mdct"
1874 dirac_decoder_select="dsputil dwt golomb videodsp"
1875 dnxhd_decoder_select="dsputil"
1876 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1877 dvvideo_decoder_select="dsputil"
1878 dvvideo_encoder_select="dsputil"
1879 dxa_decoder_select="zlib"
1880 eac3_decoder_select="ac3_decoder"
1881 eac3_encoder_select="ac3_encoder"
1882 eamad_decoder_select="aandcttables dsputil mpegvideo"
1883 eatgq_decoder_select="aandcttables"
1884 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1885 exr_decoder_select="zlib"
1886 ffv1_decoder_select="dsputil golomb rangecoder"
1887 ffv1_encoder_select="dsputil rangecoder"
1888 ffvhuff_decoder_select="dsputil"
1889 ffvhuff_encoder_select="dsputil huffman"
1890 flac_decoder_select="golomb"
1891 flac_encoder_select="dsputil golomb lpc"
1892 flashsv_decoder_select="zlib"
1893 flashsv_encoder_select="zlib"
1894 flashsv2_encoder_select="zlib"
1895 flashsv2_decoder_select="zlib"
1896 flv_decoder_select="h263_decoder"
1897 flv_encoder_select="h263_encoder"
1898 fourxm_decoder_select="dsputil"
1899 fraps_decoder_select="dsputil huffman"
1900 g2m_decoder_select="dsputil zlib"
1901 g729_decoder_select="dsputil"
1902 h261_decoder_select="error_resilience mpegvideo"
1903 h261_encoder_select="aandcttables mpegvideoenc"
1904 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1905 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1906 h263i_decoder_select="h263_decoder"
1907 h263p_encoder_select="h263_encoder"
1908 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1909 h264_decoder_suggest="error_resilience"
1910 hevc_decoder_select="dsputil golomb videodsp"
1911 huffyuv_decoder_select="dsputil"
1912 huffyuv_encoder_select="dsputil huffman"
1913 iac_decoder_select="dsputil fft mdct sinewin"
1914 imc_decoder_select="dsputil fft mdct sinewin"
1915 indeo3_decoder_select="hpeldsp"
1916 interplay_video_decoder_select="hpeldsp"
1917 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1918 jpegls_encoder_select="golomb"
1919 jv_decoder_select="dsputil"
1920 lagarith_decoder_select="dsputil"
1921 ljpeg_encoder_select="aandcttables mpegvideoenc"
1922 loco_decoder_select="golomb"
1923 mdec_decoder_select="dsputil error_resilience mpegvideo"
1924 metasound_decoder_select="lsp mdct sinewin"
1925 mimic_decoder_select="dsputil hpeldsp"
1926 mjpeg_decoder_select="dsputil hpeldsp exif"
1927 mjpegb_decoder_select="dsputil hpeldsp exif"
1928 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1929 mlp_decoder_select="dsputil mlp_parser"
1930 motionpixels_decoder_select="dsputil"
1931 mp1_decoder_select="mpegaudio"
1932 mp1float_decoder_select="mpegaudio"
1933 mp2_decoder_select="mpegaudio"
1934 mp2float_decoder_select="mpegaudio"
1935 mp3_decoder_select="mpegaudio"
1936 mp3adu_decoder_select="mpegaudio"
1937 mp3adufloat_decoder_select="mpegaudio"
1938 mp3float_decoder_select="mpegaudio"
1939 mp3on4_decoder_select="mpegaudio"
1940 mp3on4float_decoder_select="mpegaudio"
1941 mpc7_decoder_select="dsputil mpegaudiodsp"
1942 mpc8_decoder_select="dsputil mpegaudiodsp"
1943 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1944 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1945 mpeg1video_decoder_select="error_resilience mpegvideo"
1946 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1947 mpeg2video_decoder_select="error_resilience mpegvideo"
1948 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1949 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1950 mpeg4_encoder_select="h263_encoder"
1951 msmpeg4v1_decoder_select="h263_decoder"
1952 msmpeg4v2_decoder_select="h263_decoder"
1953 msmpeg4v2_encoder_select="h263_encoder"
1954 msmpeg4v3_decoder_select="h263_decoder"
1955 msmpeg4v3_encoder_select="h263_encoder"
1956 mss2_decoder_select="error_resilience vc1_decoder"
1957 mxpeg_decoder_select="dsputil hpeldsp exif"
1958 nellymoser_decoder_select="mdct sinewin"
1959 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1960 nuv_decoder_select="dsputil lzo"
1961 png_decoder_select="zlib"
1962 png_encoder_select="dsputil zlib"
1963 prores_decoder_select="dsputil"
1964 prores_encoder_select="dsputil"
1965 qcelp_decoder_select="lsp"
1966 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1967 ra_144_encoder_select="audio_frame_queue lpc"
1968 ralf_decoder_select="golomb"
1969 rtjpeg_decoder_select="dsputil"
1970 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1971 rv10_encoder_select="h263_encoder"
1972 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1973 rv20_encoder_select="h263_encoder"
1974 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1975 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1976 shorten_decoder_select="golomb"
1977 sipr_decoder_select="lsp"
1978 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1979 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1980 sonic_decoder_select="golomb"
1981 sonic_encoder_select="golomb"
1982 sonic_ls_encoder_select="golomb"
1983 sp5x_decoder_select="dsputil hpeldsp exif"
1984 svq1_decoder_select="hpeldsp"
1985 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1986 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1987 svq3_decoder_suggest="error_resilience zlib"
1988 tak_decoder_select="dsputil"
1989 theora_decoder_select="vp3_decoder"
1990 tiff_decoder_suggest="zlib"
1991 tiff_encoder_suggest="zlib"
1992 thp_decoder_select="dsputil hpeldsp exif"
1993 truehd_decoder_select="mlp_parser"
1994 truemotion2_decoder_select="dsputil"
1995 truespeech_decoder_select="dsputil"
1996 tscc_decoder_select="zlib"
1997 twinvq_decoder_select="mdct lsp sinewin"
1998 utvideo_decoder_select="dsputil"
1999 utvideo_encoder_select="dsputil huffman"
2000 vble_decoder_select="dsputil"
2001 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
2002 vc1image_decoder_select="vc1_decoder"
2003 vorbis_decoder_select="mdct"
2004 vorbis_encoder_select="mdct"
2005 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2006 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2007 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2008 vp6a_decoder_select="vp6_decoder"
2009 vp6f_decoder_select="vp6_decoder"
2010 vp8_decoder_select="h264pred videodsp"
2011 vp9_decoder_select="videodsp"
2012 webp_decoder_select="vp8_decoder"
2013 wmapro_decoder_select="mdct sinewin"
2014 wmav1_decoder_select="mdct sinewin"
2015 wmav1_encoder_select="mdct sinewin"
2016 wmav2_decoder_select="mdct sinewin"
2017 wmav2_encoder_select="mdct sinewin"
2018 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2019 wmv1_decoder_select="h263_decoder"
2020 wmv1_encoder_select="h263_encoder"
2021 wmv2_decoder_select="h263_decoder videodsp"
2022 wmv2_encoder_select="h263_encoder"
2023 wmv3_decoder_select="vc1_decoder"
2024 wmv3image_decoder_select="wmv3_decoder"
2025 zerocodec_decoder_select="zlib"
2026 zlib_decoder_select="zlib"
2027 zlib_encoder_select="zlib"
2028 zmbv_decoder_select="zlib"
2029 zmbv_encoder_select="zlib"
2031 # hardware accelerators
2032 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2033 dxva2_deps="dxva2api_h"
2034 vaapi_deps="va_va_h"
2035 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2036 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2037 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2039 h263_vaapi_hwaccel_deps="vaapi"
2040 h263_vaapi_hwaccel_select="h263_decoder"
2041 h263_vdpau_hwaccel_deps="vdpau"
2042 h263_vdpau_hwaccel_select="h263_decoder"
2043 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2044 h264_dxva2_hwaccel_deps="dxva2"
2045 h264_dxva2_hwaccel_select="h264_decoder"
2046 h264_vaapi_hwaccel_deps="vaapi"
2047 h264_vaapi_hwaccel_select="h264_decoder"
2048 h264_vda_decoder_deps="vda"
2049 h264_vda_decoder_select="h264_decoder"
2050 h264_vda_hwaccel_deps="vda"
2051 h264_vda_hwaccel_select="h264_decoder"
2052 h264_vdpau_decoder_deps="vdpau"
2053 h264_vdpau_decoder_select="h264_decoder"
2054 h264_vdpau_hwaccel_deps="vdpau"
2055 h264_vdpau_hwaccel_select="h264_decoder"
2056 mpeg_vdpau_decoder_deps="vdpau"
2057 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2058 mpeg1_vdpau_decoder_deps="vdpau"
2059 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2060 mpeg1_vdpau_hwaccel_deps="vdpau"
2061 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2062 mpeg2_crystalhd_decoder_select="crystalhd"
2063 mpeg2_dxva2_hwaccel_deps="dxva2"
2064 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2065 mpeg2_vaapi_hwaccel_deps="vaapi"
2066 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2067 mpeg2_vdpau_hwaccel_deps="vdpau"
2068 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2069 mpeg4_crystalhd_decoder_select="crystalhd"
2070 mpeg4_vaapi_hwaccel_deps="vaapi"
2071 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2072 mpeg4_vdpau_decoder_deps="vdpau"
2073 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2074 mpeg4_vdpau_hwaccel_deps="vdpau"
2075 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2076 msmpeg4_crystalhd_decoder_select="crystalhd"
2077 vc1_crystalhd_decoder_select="crystalhd"
2078 vc1_dxva2_hwaccel_deps="dxva2"
2079 vc1_dxva2_hwaccel_select="vc1_decoder"
2080 vc1_vaapi_hwaccel_deps="vaapi"
2081 vc1_vaapi_hwaccel_select="vc1_decoder"
2082 vc1_vdpau_decoder_deps="vdpau"
2083 vc1_vdpau_decoder_select="vc1_decoder"
2084 vc1_vdpau_hwaccel_deps="vdpau"
2085 vc1_vdpau_hwaccel_select="vc1_decoder"
2086 wmv3_crystalhd_decoder_select="crystalhd"
2087 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2088 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2089 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2090 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2093 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2094 hevc_parser_select="hevc_decoder"
2095 mpeg4video_parser_select="error_resilience mpegvideo"
2096 mpegvideo_parser_select="error_resilience mpegvideo"
2097 vc1_parser_select="mpegvideo"
2099 # external libraries
2100 libaacplus_encoder_deps="libaacplus"
2101 libcelt_decoder_deps="libcelt"
2102 libfaac_encoder_deps="libfaac"
2103 libfaac_encoder_select="audio_frame_queue"
2104 libfdk_aac_decoder_deps="libfdk_aac"
2105 libfdk_aac_encoder_deps="libfdk_aac"
2106 libfdk_aac_encoder_select="audio_frame_queue"
2107 libgme_demuxer_deps="libgme"
2108 libgsm_decoder_deps="libgsm"
2109 libgsm_encoder_deps="libgsm"
2110 libgsm_ms_decoder_deps="libgsm"
2111 libgsm_ms_encoder_deps="libgsm"
2112 libilbc_decoder_deps="libilbc"
2113 libilbc_encoder_deps="libilbc"
2114 libmodplug_demuxer_deps="libmodplug"
2115 libmp3lame_encoder_deps="libmp3lame"
2116 libmp3lame_encoder_select="audio_frame_queue"
2117 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2118 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2119 libopencore_amrnb_encoder_select="audio_frame_queue"
2120 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2121 libopenjpeg_decoder_deps="libopenjpeg"
2122 libopenjpeg_encoder_deps="libopenjpeg"
2123 libopus_decoder_deps="libopus"
2124 libopus_encoder_deps="libopus"
2125 libopus_encoder_select="audio_frame_queue"
2126 libquvi_demuxer_deps="libquvi"
2127 libschroedinger_decoder_deps="libschroedinger"
2128 libschroedinger_encoder_deps="libschroedinger"
2129 libshine_encoder_deps="libshine"
2130 libshine_encoder_select="audio_frame_queue"
2131 libspeex_decoder_deps="libspeex"
2132 libspeex_encoder_deps="libspeex"
2133 libspeex_encoder_select="audio_frame_queue"
2134 libstagefright_h264_decoder_deps="libstagefright_h264"
2135 libtheora_encoder_deps="libtheora"
2136 libtwolame_encoder_deps="libtwolame"
2137 libvo_aacenc_encoder_deps="libvo_aacenc"
2138 libvo_aacenc_encoder_select="audio_frame_queue"
2139 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2140 libvorbis_decoder_deps="libvorbis"
2141 libvorbis_encoder_deps="libvorbis"
2142 libvorbis_encoder_select="audio_frame_queue"
2143 libvpx_vp8_decoder_deps="libvpx"
2144 libvpx_vp8_encoder_deps="libvpx"
2145 libvpx_vp9_decoder_deps="libvpx"
2146 libvpx_vp9_encoder_deps="libvpx"
2147 libwavpack_encoder_deps="libwavpack"
2148 libx264_encoder_deps="libx264"
2149 libx264rgb_encoder_deps="libx264"
2150 libxavs_encoder_deps="libxavs"
2151 libxvid_encoder_deps="libxvid"
2152 libutvideo_decoder_deps="libutvideo"
2153 libutvideo_encoder_deps="libutvideo"
2154 libzvbi_teletext_decoder_deps="libzvbi"
2157 ac3_demuxer_select="ac3_parser"
2158 asf_demuxer_select="riffdec"
2159 asf_muxer_select="riffenc"
2160 asf_stream_muxer_select="asf_muxer"
2161 avi_demuxer_select="riffdec"
2162 avi_muxer_select="riffenc"
2163 avisynth_demuxer_deps="avisynth"
2164 avisynth_demuxer_select="riffdec"
2165 caf_demuxer_select="riffdec"
2166 dirac_demuxer_select="dirac_parser"
2167 dts_demuxer_select="dca_parser"
2168 dtshd_demuxer_select="dca_parser"
2169 dxa_demuxer_select="riffdec"
2170 eac3_demuxer_select="ac3_parser"
2171 f4v_muxer_select="mov_muxer"
2172 flac_demuxer_select="flac_parser"
2173 hds_muxer_select="flv_muxer"
2174 hls_muxer_select="mpegts_muxer"
2175 ipod_muxer_select="mov_muxer"
2176 ismv_muxer_select="mov_muxer"
2177 libnut_demuxer_deps="libnut"
2178 libnut_muxer_deps="libnut"
2179 matroska_audio_muxer_select="matroska_muxer"
2180 matroska_demuxer_select="riffdec"
2181 matroska_demuxer_suggest="bzlib lzo zlib"
2182 matroska_muxer_select="riffenc"
2183 mmf_muxer_select="riffenc"
2184 mov_demuxer_select="riffdec"
2185 mov_demuxer_suggest="zlib"
2186 mov_muxer_select="riffenc rtpenc_chain"
2187 mp3_demuxer_select="mpegaudio_parser"
2188 mp4_muxer_select="mov_muxer"
2189 mpegts_muxer_select="adts_muxer latm_muxer"
2190 mpegtsraw_demuxer_select="mpegts_demuxer"
2191 mxf_d10_muxer_select="mxf_muxer"
2192 nut_muxer_select="riffenc"
2193 nuv_demuxer_select="riffdec"
2194 ogg_demuxer_select="golomb"
2195 psp_muxer_select="mov_muxer"
2196 rtp_demuxer_select="sdp_demuxer"
2197 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2198 rtsp_demuxer_select="http_protocol rtpdec"
2199 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2200 sap_demuxer_select="sdp_demuxer"
2201 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2202 sdp_demuxer_select="rtpdec"
2203 smoothstreaming_muxer_select="ismv_muxer"
2204 spdif_muxer_select="aac_parser"
2205 tak_demuxer_select="tak_parser"
2206 tg2_muxer_select="mov_muxer"
2207 tgp_muxer_select="mov_muxer"
2208 vobsub_demuxer_select="mpegps_demuxer"
2209 w64_demuxer_select="wav_demuxer"
2210 w64_muxer_select="wav_muxer"
2211 wav_demuxer_select="riffdec"
2212 wav_muxer_select="riffenc"
2213 webm_muxer_select="riffenc"
2214 wtv_demuxer_select="riffdec"
2215 xmv_demuxer_select="riffdec"
2216 xwma_demuxer_select="riffdec"
2219 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2220 alsa_outdev_deps="alsa_asoundlib_h"
2221 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2222 caca_outdev_deps="libcaca"
2223 dshow_indev_deps="IBaseFilter"
2224 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2225 dv1394_indev_deps="dv1394"
2226 dv1394_indev_select="dv_demuxer"
2227 fbdev_indev_deps="linux_fb_h"
2228 fbdev_outdev_deps="linux_fb_h"
2229 iec61883_indev_deps="libiec61883"
2230 jack_indev_deps="jack_jack_h sem_timedwait"
2231 lavfi_indev_deps="avfilter"
2232 libcdio_indev_deps="libcdio"
2233 libdc1394_indev_deps="libdc1394"
2234 libv4l2_indev_deps="libv4l2"
2235 openal_indev_deps="openal"
2236 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2237 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2238 pulse_indev_deps="libpulse"
2239 pulse_outdev_deps="libpulse"
2240 sdl_outdev_deps="sdl"
2241 sndio_indev_deps="sndio_h"
2242 sndio_outdev_deps="sndio_h"
2243 v4l_indev_deps="linux_videodev_h"
2244 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2245 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2246 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2247 vfwcap_indev_extralibs="-lavicap32"
2248 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2249 xv_outdev_extralibs="-lXv -lX11 -lXext"
2250 x11grab_indev_deps="x11grab"
2253 bluray_protocol_deps="libbluray"
2254 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2255 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2256 ffrtmpcrypt_protocol_select="tcp_protocol"
2257 ffrtmphttp_protocol_deps="!librtmp_protocol"
2258 ffrtmphttp_protocol_select="http_protocol"
2259 ftp_protocol_select="tcp_protocol"
2260 gopher_protocol_select="network"
2261 httpproxy_protocol_select="tcp_protocol"
2262 http_protocol_select="tcp_protocol"
2263 https_protocol_select="tls_protocol"
2264 librtmp_protocol_deps="librtmp"
2265 librtmpe_protocol_deps="librtmp"
2266 librtmps_protocol_deps="librtmp"
2267 librtmpt_protocol_deps="librtmp"
2268 librtmpte_protocol_deps="librtmp"
2269 libssh_protocol_deps="libssh"
2270 mmsh_protocol_select="http_protocol"
2271 mmst_protocol_select="network"
2272 rtmp_protocol_deps="!librtmp_protocol"
2273 rtmp_protocol_select="tcp_protocol"
2274 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2275 rtmps_protocol_deps="!librtmp_protocol"
2276 rtmps_protocol_select="tls_protocol"
2277 rtmpt_protocol_select="ffrtmphttp_protocol"
2278 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2279 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2280 rtp_protocol_select="udp_protocol"
2281 sctp_protocol_deps="struct_sctp_event_subscribe"
2282 sctp_protocol_select="network"
2283 srtp_protocol_select="rtp_protocol"
2284 tcp_protocol_select="network"
2285 tls_protocol_deps_any="openssl gnutls"
2286 tls_protocol_select="tcp_protocol"
2287 udp_protocol_select="network"
2288 unix_protocol_deps="sys_un_h"
2289 unix_protocol_select="network"
2292 aconvert_filter_deps="swresample"
2293 amovie_filter_deps="avcodec avformat"
2294 aresample_filter_deps="swresample"
2295 ass_filter_deps="libass"
2296 asyncts_filter_deps="avresample"
2297 atempo_filter_deps="avcodec"
2298 atempo_filter_select="rdft"
2299 azmq_filter_deps="libzmq"
2300 blackframe_filter_deps="gpl"
2301 boxblur_filter_deps="gpl"
2302 colormatrix_filter_deps="gpl"
2303 cropdetect_filter_deps="gpl"
2304 dctdnoiz_filter_deps="avcodec"
2305 dctdnoiz_filter_select="fft"
2306 delogo_filter_deps="gpl"
2307 deshake_filter_deps="avcodec"
2308 deshake_filter_select="dsputil"
2309 drawtext_filter_deps="libfreetype"
2310 ebur128_filter_deps="gpl"
2311 flite_filter_deps="libflite"
2312 frei0r_filter_deps="frei0r dlopen"
2313 frei0r_filter_extralibs='$ldl'
2314 frei0r_src_filter_deps="frei0r dlopen"
2315 frei0r_src_filter_extralibs='$ldl'
2316 geq_filter_deps="gpl"
2317 histeq_filter_deps="gpl"
2318 hqdn3d_filter_deps="gpl"
2319 interlace_filter_deps="gpl"
2320 kerndeint_filter_deps="gpl"
2321 ladspa_filter_deps="ladspa dlopen"
2322 mcdeint_filter_deps="avcodec gpl"
2323 movie_filter_deps="avcodec avformat"
2324 mp_filter_deps="gpl avcodec swscale inline_asm"
2325 mpdecimate_filter_deps="gpl avcodec"
2326 mptestsrc_filter_deps="gpl"
2327 negate_filter_deps="lut_filter"
2328 perspective_filter_deps="gpl"
2329 resample_filter_deps="avresample"
2330 ocv_filter_deps="libopencv"
2331 owdenoise_filter_deps="gpl"
2332 pan_filter_deps="swresample"
2333 phase_filter_deps="gpl"
2334 pp_filter_deps="gpl postproc"
2335 pullup_filter_deps="gpl"
2336 removelogo_filter_deps="avcodec avformat swscale"
2337 sab_filter_deps="gpl swscale"
2338 scale_filter_deps="swscale"
2339 smartblur_filter_deps="gpl swscale"
2340 showspectrum_filter_deps="avcodec"
2341 showspectrum_filter_select="rdft"
2342 spp_filter_deps="gpl avcodec"
2343 spp_filter_select="fft"
2344 stereo3d_filter_deps="gpl"
2345 subtitles_filter_deps="avformat avcodec libass"
2346 super2xsai_filter_deps="gpl"
2347 tinterlace_filter_deps="gpl"
2348 vidstabdetect_filter_deps="libvidstab"
2349 vidstabtransform_filter_deps="libvidstab"
2350 yadif_filter_deps="gpl"
2351 pixfmts_super2xsai_test_deps="super2xsai_filter"
2352 tinterlace_merge_test_deps="tinterlace_filter"
2353 tinterlace_pad_test_deps="tinterlace_filter"
2354 zmq_filter_deps="libzmq"
2357 decoding_encoding_example_deps="avcodec avutil"
2358 demuxing_decoding_example_deps="avcodec avformat avutil"
2359 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2360 filtering_video_example_deps="avfilter avcodec avformat avutil"
2361 metadata_example_deps="avformat avutil"
2362 muxing_example_deps="avcodec avformat avutil swscale"
2363 resampling_audio_example_deps="avutil swresample"
2364 scaling_video_example_deps="avutil swscale"
2365 transcode_aac_example_deps="avcodec avformat swresample"
2368 avcodec_deps="avutil"
2369 avdevice_deps="avutil avcodec avformat"
2370 avfilter_deps="avutil"
2371 avformat_deps="avutil avcodec"
2372 avresample_deps="avutil"
2373 postproc_deps="avutil gpl"
2374 swscale_deps="avutil"
2377 ffmpeg_deps="avcodec avfilter avformat swresample"
2378 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2380 setpts_filter trim_filter"
2381 ffplay_deps="avcodec avformat swscale swresample sdl"
2382 ffplay_select="rdft crop_filter"
2383 ffprobe_deps="avcodec avformat"
2384 ffserver_deps="avformat fork sarestart"
2385 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2386 ffserver_extralibs='$ldl'
2389 podpages_deps="perl"
2390 manpages_deps="perl pod2man"
2391 htmlpages_deps="perl texi2html"
2392 txtpages_deps="perl makeinfo"
2393 doc_deps_any="manpages htmlpages podpages txtpages"
2395 # default parameters
2397 logfile="config.log"
2399 # installation paths
2400 prefix_default="/usr/local"
2401 bindir_default='${prefix}/bin'
2402 datadir_default='${prefix}/share/ffmpeg'
2403 docdir_default='${prefix}/share/doc/ffmpeg'
2404 incdir_default='${prefix}/include'
2405 libdir_default='${prefix}/lib'
2406 mandir_default='${prefix}/share/man'
2407 shlibdir_default="$libdir_default"
2413 host_cc_default="gcc"
2419 pkg_config_default=pkg-config
2421 strip_default="strip"
2422 yasmexe_default="yasm"
2423 windres_default="windres"
2428 arch_default=$(uname -m)
2432 target_os_default=$(tolower $(uname -s))
2433 host_os=$target_os_default
2435 # configurable options
2436 enable $PROGRAM_LIST
2437 enable $DOCUMENT_LIST
2438 enable $EXAMPLE_LIST
2439 enable $(filter_out avresample $LIBRARY_LIST)
2445 enable optimizations
2446 enable runtime_cpudetect
2447 enable safe_bitstream_reader
2449 enable swscale_alpha
2451 # Enable hwaccels by default.
2452 enable dxva2 vaapi vdpau
2455 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2458 FULLNAME='$(NAME)$(BUILDSUF)'
2459 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2462 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2463 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2464 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2465 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2466 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2467 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2489 host_cppflags='-D_ISOC99_SOURCE'
2491 host_cflags_filter=echo
2492 host_ldflags_filter=echo
2494 target_path='$(CURDIR)'
2496 # since the object filename is not given with the -MM flag, the compiler
2497 # is only able to print the basename, and we must add the path ourselves
2498 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2502 if test -f configure; then
2505 source_path=$(cd $(dirname "$0"); pwd)
2506 echo "$source_path" | grep -q '[[:blank:]]' &&
2507 die "Out of tree builds are impossible with whitespace in source path."
2508 test -e "$source_path/config.h" &&
2509 die "Out of tree builds are impossible with config.h in source dir."
2516 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2522 file=$source_path/$3
2523 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2526 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2527 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2528 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2529 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2530 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2531 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2532 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2533 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2534 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2535 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2536 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2552 for n in $COMPONENT_LIST; do
2553 v=$(toupper ${n%s})_LIST
2555 eval ${n}_if_any="\$$v"
2558 enable $ARCH_EXT_LIST
2561 echo "Unknown option \"$1\"."
2562 echo "See $0 --help for available options."
2567 cat | tr ' ' '\n' | sort | pr -r -3 -t
2573 echo $* | sed s/$suffix//g | print_3_columns
2585 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2586 echo "prob ${prob:-0.5}"
2594 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2595 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2605 add_extralibs $optval
2608 disable $INDEV_LIST $OUTDEV_LIST
2611 debuglevel="$optval"
2614 disable $PROGRAM_LIST
2616 --disable-everything)
2617 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2620 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2621 disable $LIBRARY_LIST $PROGRAM_LIST doc
2623 --enable-random|--disable-random)
2624 action=${opt%%-random}
2625 do_random ${action#--} $COMPONENT_LIST
2627 --enable-random=*|--disable-random=*)
2628 action=${opt%%-random=*}
2629 do_random ${action#--} $optval
2631 --enable-*=*|--disable-*=*)
2632 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2633 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2634 eval list=\$$(toupper $thing)_LIST
2635 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2636 list=$(filter "$name" $list)
2637 [ "$list" = "" ] && warn "Option $opt did not match anything"
2640 --enable-?*|--disable-?*)
2641 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2642 if is_in $option $COMPONENT_LIST; then
2643 test $action = disable && action=unset
2644 eval $action \$$(toupper ${option%s})_LIST
2645 elif is_in $option $CMDLINE_SELECT; then
2652 NAME="${opt#--list-}"
2653 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2655 eval show_list $NAME \$$(toupper $NAME)_LIST
2657 --help|-h) show_help
2659 --fatal-warnings) enable fatal_warnings
2662 optname="${opt%%=*}"
2663 optname="${optname#--}"
2664 optname=$(echo "$optname" | sed 's/-/_/g')
2665 if is_in $optname $CMDLINE_SET; then
2666 eval $optname='$optval'
2667 elif is_in $optname $CMDLINE_APPEND; then
2668 append $optname "$optval"
2676 disabled logging && logfile=/dev/null
2678 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2681 test -n "$cross_prefix" && enable cross_compile
2683 if enabled cross_compile; then
2684 test -n "$arch" && test -n "$target_os" ||
2685 die "Must specify target arch and OS when cross-compiling"
2688 ar_default="${cross_prefix}${ar_default}"
2689 cc_default="${cross_prefix}${cc_default}"
2690 cxx_default="${cross_prefix}${cxx_default}"
2691 nm_default="${cross_prefix}${nm_default}"
2692 pkg_config_default="${cross_prefix}${pkg_config_default}"
2693 ranlib="${cross_prefix}${ranlib}"
2694 strip_default="${cross_prefix}${strip_default}"
2695 windres_default="${cross_prefix}${windres_default}"
2697 sysinclude_default="${sysroot}/usr/include"
2699 test -n "$valgrind" && toolchain="valgrind-memcheck"
2701 case "$toolchain" in
2704 add_cflags -fsanitize=address
2705 add_ldflags -fsanitize=address
2709 add_cflags -fsanitize=thread -pie
2710 add_ldflags -fsanitize=thread -pie
2714 add_cflags -fsanitize=address
2715 add_ldflags -fsanitize=address
2719 add_cflags -fsanitize=thread -pie -fPIC
2720 add_ldflags -fsanitize=thread -pie -fPIC
2723 target_exec_default=${valgrind:-"valgrind"}
2724 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"
2727 target_exec_default=${valgrind:-"valgrind"}
2728 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2731 # Check whether the current MSVC version needs the C99 converter.
2732 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2733 # support enough of C99 to build ffmpeg. Default to the new
2734 # behaviour if the regexp was unable to match anything, since this
2735 # successfully parses the version number of existing supported
2736 # versions that require the converter (MSVC 2010 and 2012).
2737 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2738 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2741 cc_default="c99wrap cl"
2744 nm_default="dumpbin -symbols"
2746 target_os_default="win32"
2747 # Use a relative path for TMPDIR. This makes sure all the
2748 # ffconf temp files are written with a relative path, avoiding
2749 # issues with msys/win32 path conversion for MSVC parameters
2750 # such as -Fo<file> or -out:<file>.
2756 nm_default="dumpbin -symbols"
2758 target_os_default="win32"
2762 add_cflags -fprofile-arcs -ftest-coverage
2763 add_ldflags -fprofile-arcs -ftest-coverage
2766 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2767 add_ldflags -Wl,-z,relro -Wl,-z,now
2770 die "Unknown toolchain $toolchain"
2774 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2775 enabled cross_compile || host_cc_default=$cc
2778 if ! $pkg_config --version >/dev/null 2>&1; then
2779 warn "$pkg_config not found, library detection may fail."
2785 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2789 EXESUF=$(exesuf $target_os)
2790 HOSTEXESUF=$(exesuf $host_os)
2792 # set temporary file name
2793 : ${TMPDIR:=$TEMPDIR}
2797 if [ -n "$tempprefix" ] ; then
2799 echo $tempprefix.${HOSTNAME}.${UID}
2801 elif ! check_cmd mktemp -u XXXXXX; then
2802 # simple replacement for missing mktemp
2803 # NOT SAFE FOR GENERAL USE
2805 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2810 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2811 (set -C; exec > $tmp) 2>/dev/null ||
2812 die "Unable to create temporary file in $TMPDIR."
2813 append TMPFILES $tmp
2817 trap 'rm -f -- $TMPFILES' EXIT
2822 tmpfile TMPE $EXESUF
2833 # make sure we can execute files in $TMPDIR
2834 cat > $TMPSH 2>> $logfile <<EOF
2837 chmod +x $TMPSH >> $logfile 2>&1
2838 if ! $TMPSH >> $logfile 2>&1; then
2840 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2841 variable to another directory and make sure that it is not mounted noexec.
2843 die "Sanity test failed."
2849 -std=c99) echo -c99 ;;
2850 -mcpu=*) echo -arch ${flag#*=} ;;
2851 -mieee) echo -ieee ;;
2852 -O*|-fast) echo $flag ;;
2853 -fno-math-errno) echo -assume nomath_errno ;;
2855 -Wall) echo -msg_enable level2 ;;
2856 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2857 -Wl,*) echo $flag ;;
2867 -Wno-switch) echo -Wno-switch-enum ;;
2868 -Wno-format-zero-length) ;;
2869 -Wdisabled-optimization) ;;
2870 -Wno-pointer-sign) echo -Wno-other ;;
2876 msvc_common_flags(){
2879 # In addition to specifying certain flags under the compiler
2880 # specific filters, they must be specified here as well or else the
2881 # generic catch all at the bottom will print the original flag.
2885 -fomit-frame-pointer) ;;
2889 -fno-signed-zeros) ;;
2893 -lz) echo zlib.lib ;;
2894 -lavifil32) echo vfw32.lib ;;
2895 -lavicap32) echo vfw32.lib user32.lib ;;
2896 -l*) echo ${flag#-l}.lib ;;
2903 msvc_common_flags "$@"
2906 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2907 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2908 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2916 msvc_common_flags "$@"
2919 # Despite what Intel's documentation says -Wall, which is supported
2920 # on Windows, does enable remarks so disable them here.
2921 -Wall) echo $flag -Qdiag-disable:remark ;;
2922 -std=c99) echo -Qstd=c99 ;;
2930 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2931 -fomit-frame-pointer) echo -Mnoframe ;;
2942 case "${flag#*=}" in
2943 native) echo -xtarget=native ;;
2944 v9|niagara) echo -xarch=sparc ;;
2945 ultrasparc) echo -xarch=sparcvis ;;
2946 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2947 i586|pentium) echo -xchip=pentium ;;
2948 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2949 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2950 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2951 pentium4*) echo -xtarget=pentium4 ;;
2952 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2953 *-sse3) echo -xarch=sse3 ;;
2954 core2) echo -xarch=ssse3 -xchip=core2 ;;
2955 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2956 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2957 amdfam10|barcelona) echo -xtarget=barcelona ;;
2958 bdver*) echo -xarch=avx ;;
2959 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2960 k8|opteron|athlon64|athlon-fx)
2961 echo -xarch=sse2a ;;
2962 athlon*) echo -xarch=pentium_proa ;;
2965 -std=c99) echo -xc99 ;;
2966 -fomit-frame-pointer) echo -xregs=frameptr ;;
2967 -fPIC) echo -KPIC -xcode=pic32 ;;
2968 -W*,*) echo $flag ;;
2969 -f*-*|-W*|-mimpure-text) ;;
2980 case "${flag#*=}" in
2981 armv7-a|cortex-a*) echo -mv=7a8 ;;
2982 armv7-r|cortex-r*) echo -mv=7r4 ;;
2983 armv7-m|cortex-m*) echo -mv=7m3 ;;
2984 armv6*|arm11*) echo -mv=6 ;;
2985 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2987 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2990 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2991 -mfpu=vfp) echo --float_support=vfpv2 ;;
2992 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2993 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2994 -msoft-float) echo --float_support=vfplib ;;
2995 -O[0-3]|-mf=*) echo $flag ;;
2997 -pds=*) echo $flag ;;
2998 -D*|-I*) echo $flag ;;
2999 --gcc|--abi=*) echo $flag ;;
3009 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3010 unset _ld_o _ldflags _ld_lib _ld_path
3011 unset _depflags _DEPCMD _DEPFLAGS
3014 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3015 true # no-op to avoid reading stdin in following checks
3016 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3018 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3019 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3020 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3023 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3025 gcc_version=$($_cc --version | head -n1)
3026 gcc_basever=$($_cc -dumpversion)
3027 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3028 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3029 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3030 if ! $_cc -dumpversion | grep -q '^2\.'; then
3031 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3035 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3037 _ident=$($_cc --version | head -n1)
3042 elif $_cc -v 2>&1 | grep -q xlc; then
3044 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3046 _cflags_size='-O5 -qcompact'
3047 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3049 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3051 _cflags_speed='-fast'
3053 _flags_filter=ccc_flags
3054 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3055 test -d "$sysroot" || die "No valid sysroot specified."
3057 _ident=$($_cc --vsn | head -n1)
3058 armcc_conf="$PWD/armcc.conf"
3059 $_cc --arm_linux_configure \
3060 --arm_linux_config_file="$armcc_conf" \
3061 --configure_sysroot="$sysroot" \
3062 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3063 die "Error creating armcc configuration file."
3064 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3065 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3066 as_default="${cross_prefix}gcc"
3070 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3072 _ident=$($_cc -version | head -n1 | tr -s ' ')
3073 _flags='--gcc --abi=eabi -me'
3076 _depflags='-ppa -ppd=$(@:.o=.d)'
3077 _cflags_speed='-O3 -mf=5'
3078 _cflags_size='-O3 -mf=2'
3079 _flags_filter=tms470_flags
3080 elif $_cc -v 2>&1 | grep -q clang; then
3082 _ident=$($_cc --version | head -n1)
3086 elif $_cc -V 2>&1 | grep -q Sun; then
3088 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3089 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3090 _DEPFLAGS='-xM1 -xc99'
3093 _cflags_size='-O5 -xspace'
3094 _flags_filter=suncc_flags
3095 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3097 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3098 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3101 _flags_filter='filter_out -Wdisabled-optimization'
3102 elif $_cc -v 2>&1 | grep -q Open64; then
3104 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3105 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3108 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3109 elif $_cc -V 2>&1 | grep -q Portland; then
3111 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3112 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3113 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3114 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3116 _flags_filter=pgi_flags
3117 elif $_cc 2>&1 | grep -q Microsoft; then
3119 _ident=$($cc 2>&1 | head -n1)
3120 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3121 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3124 if $_cc 2>&1 | grep -q Linker; then
3131 _flags_filter=msvc_flags
3133 _ld_path='-libpath:'
3135 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3136 if [ $pfx = hostcc ]; then
3137 append _cflags -Dsnprintf=_snprintf
3140 elif $_cc 2>&1 | grep -q Intel; then
3142 _ident=$($cc 2>&1 | head -n1)
3143 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3144 # Not only is O3 broken on 13.x+ but it is slower on all previous
3145 # versions (tested) as well.
3147 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3148 if $_cc 2>&1 | grep -q Linker; then
3155 _flags_filter=icl_flags
3157 _ld_path='-libpath:'
3158 # -Qdiag-error to make icl error when seeing certain unknown arguments
3159 _flags='-nologo -Qdiag-error:4044,10157'
3160 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3161 # with MSVC which enables it by default.
3162 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3163 if [ $pfx = hostcc ]; then
3164 append _cflags -Dsnprintf=_snprintf
3166 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3168 _ident=$($_cc --version | head -n1)
3172 _flags_filter=cparser_flags
3175 eval ${pfx}_type=\$_type
3176 eval ${pfx}_ident=\$_ident
3180 eval ${1}_C=\${_cc_c-\${${1}_C}}
3181 eval ${1}_E=\${_cc_e-\${${1}_E}}
3182 eval ${1}_O=\${_cc_o-\${${1}_O}}
3184 if [ -n "$_depflags" ]; then
3185 eval ${1}_DEPFLAGS=\$_depflags
3187 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3188 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3189 eval DEP${1}FLAGS=\$_flags
3194 cflags_filter=$_flags_filter
3195 cflags_speed=$_cflags_speed
3196 cflags_size=$_cflags_size
3197 cflags_noopt=$_cflags_noopt
3198 add_cflags $_flags $_cflags
3199 cc_ldflags=$_ldflags
3202 probe_cc hostcc "$host_cc"
3203 host_cflags_filter=$_flags_filter
3204 add_host_cflags $_flags $_cflags
3207 test -n "$cc_type" && enable $cc_type ||
3208 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3210 : ${as_default:=$cc}
3211 : ${dep_cc_default:=$cc}
3212 : ${ld_default:=$cc}
3213 : ${host_ld_default:=$host_cc}
3214 set_default ar as dep_cc ld host_ld windres
3217 asflags_filter=$_flags_filter
3218 add_asflags $_flags $_cflags
3222 ldflags_filter=$_flags_filter
3223 add_ldflags $_flags $_ldflags
3224 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3226 LD_LIB=${_ld_lib-$LD_LIB}
3227 LD_PATH=${_ld_path-$LD_PATH}
3229 probe_cc hostld "$host_ld"
3230 host_ldflags_filter=$_flags_filter
3231 add_host_ldflags $_flags $_ldflags
3232 HOSTLD_O=${_ld_o-$HOSTLD_O}
3234 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3235 probe_cc depcc "$dep_cc"
3236 CCDEP=${_DEPCMD:-$DEPCMD}
3237 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3241 if $ar 2>&1 | grep -q Microsoft; then
3244 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3247 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3248 arflags='-Xany -r -c'
3255 add_cflags $extra_cflags
3256 add_cxxflags $extra_cxxflags
3257 add_asflags $extra_cflags
3259 if test -n "$sysroot"; then
3262 add_cppflags --sysroot="$sysroot"
3263 add_ldflags --sysroot="$sysroot"
3266 add_cppflags -I"$sysinclude"
3267 add_ldflags --sysroot="$sysroot"
3272 if test "$cpu" = host; then
3273 enabled cross_compile &&
3274 die "--cpu=host makes no sense when cross-compiling."
3279 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3281 s/.*$1=\\([^ ]*\\).*/\\1/
3286 cpu=$(check_native -march || check_native -mcpu)
3290 test "${cpu:-host}" = host &&
3291 die "--cpu=host not supported with compiler $cc"
3294 # Deal with common $arch aliases
3308 "Power Macintosh"|ppc*|powerpc*)
3323 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3328 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3331 # Add processor-specific flags
3332 if enabled aarch64; then
3336 cpuflags="-march=$cpu"
3339 cpuflags="-mcpu=$cpu"
3343 elif enabled alpha; then
3345 cpuflags="-mcpu=$cpu"
3347 elif enabled arm; then
3350 check_cpp_condition stddef.h \
3351 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3356 if check_arm_arch 4; then echo armv4;
3357 elif check_arm_arch 4T; then echo armv4t;
3358 elif check_arm_arch 5; then echo armv5;
3359 elif check_arm_arch 5E; then echo armv5e;
3360 elif check_arm_arch 5T; then echo armv5t;
3361 elif check_arm_arch 5TE; then echo armv5te;
3362 elif check_arm_arch 5TEJ; then echo armv5te;
3363 elif check_arm_arch 6; then echo armv6;
3364 elif check_arm_arch 6J; then echo armv6j;
3365 elif check_arm_arch 6K; then echo armv6k;
3366 elif check_arm_arch 6Z; then echo armv6z;
3367 elif check_arm_arch 6ZK; then echo armv6zk;
3368 elif check_arm_arch 6T2; then echo armv6t2;
3369 elif check_arm_arch 7; then echo armv7;
3370 elif check_arm_arch 7A 7_A; then echo armv7-a;
3371 elif check_arm_arch 7R 7_R; then echo armv7-r;
3372 elif check_arm_arch 7M 7_M; then echo armv7-m;
3373 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3374 elif check_arm_arch 8A 8_A; then echo armv8-a;
3378 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3382 cpuflags="-march=$cpu"
3383 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3386 cpuflags="-mcpu=$cpu"
3388 cortex-a*) subarch=armv7a ;;
3389 cortex-r*) subarch=armv7r ;;
3390 cortex-m*) enable thumb; subarch=armv7m ;;
3391 arm11*) subarch=armv6 ;;
3392 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3393 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3394 *) subarch=$(probe_arm_arch) ;;
3400 armv5t*) enable fast_clz ;;
3401 armv[6-8]*) enable fast_clz fast_unaligned ;;
3404 elif enabled avr32; then
3409 cpuflags="-mpart=$cpu"
3413 cpuflags="-march=$cpu"
3417 cpuflags="-mcpu=$cpu"
3421 cpuflags="-march=$cpu"
3425 elif enabled bfin; then
3427 cpuflags="-mcpu=$cpu"
3429 elif enabled mips; then
3431 cpuflags="-march=$cpu"
3447 24kef*|34kf*|1004kf*)
3455 elif enabled ppc; then
3457 case $(tolower $cpu) in
3458 601|ppc601|powerpc601)
3459 cpuflags="-mcpu=601"
3462 603*|ppc603*|powerpc603*)
3463 cpuflags="-mcpu=603"
3466 604*|ppc604*|powerpc604*)
3467 cpuflags="-mcpu=604"
3470 g3|75*|ppc75*|powerpc75*)
3471 cpuflags="-mcpu=750"
3474 g4|745*|ppc745*|powerpc745*)
3475 cpuflags="-mcpu=7450"
3477 74*|ppc74*|powerpc74*)
3478 cpuflags="-mcpu=7400"
3480 g5|970|ppc970|powerpc970)
3481 cpuflags="-mcpu=970"
3484 cpuflags="-mcpu=$cpu"
3487 cpuflags="-mcpu=cell"
3491 cpuflags="-mcpu=e500mc"
3495 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3499 cpuflags="-mcpu=8540 -mhard-float"
3504 elif enabled sparc; then
3507 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3508 cpuflags="-mcpu=$cpu"
3511 ultrasparc*|niagara[234])
3512 cpuflags="-mcpu=$cpu"
3516 elif enabled x86; then
3520 cpuflags="-march=$cpu"
3523 # targets that do NOT support nopl and conditional mov (cmov)
3524 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3525 cpuflags="-march=$cpu"
3528 # targets that do support nopl and conditional mov (cmov)
3529 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*)
3530 cpuflags="-march=$cpu"
3534 # targets that do support conditional mov but on which it's slow
3535 pentium4|pentium4m|prescott|nocona)
3536 cpuflags="-march=$cpu"
3544 if [ "$cpu" != generic ]; then
3545 add_cflags $cpuflags
3546 add_asflags $cpuflags
3549 # compiler sanity check
3551 int main(void){ return 0; }
3553 if test "$?" != 0; then
3554 echo "$cc is unable to create an executable file."
3555 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3556 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3557 echo "Only do this if you know what cross compiling means."
3559 die "C compiler test failed."
3562 add_cppflags -D_ISOC99_SOURCE
3563 add_cxxflags -D__STDC_CONSTANT_MACROS
3564 check_cflags -std=c99
3565 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3568 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3572 check_host_cflags -std=c99
3573 check_host_cflags -Wall
3579 check_code cc "" "int test[2*($expr) - 1]" &&
3580 subarch=$arch64 || subarch=$arch32
3588 check_64bit mips mips64 '_MIPS_SIM > 1'
3592 check_64bit parisc parisc64 'sizeof(void *) > 4'
3596 check_64bit ppc ppc64 'sizeof(void *) > 4'
3600 check_64bit sparc sparc64 'sizeof(void *) > 4'
3604 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3605 if test "$subarch" = "x86_64"; then
3610 check_cc <<EOF && subarch="ppc64"
3611 int test[(int)sizeof(char*) - 7];
3617 enabled spic && enable_weak pic
3623 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3624 enabled shared && add_ldflags -Wl,-brtl
3627 prefix_default="/boot/common"
3628 network_extralibs="-lnetwork"
3632 SHFLAGS='-shared -Wl,-h,$$(@F)'
3633 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3634 network_extralibs="-lsocket -lnsl"
3635 # When using suncc to build, the Solaris linker will mark
3636 # an executable with each instruction set encountered by
3637 # the Solaris assembler. As our libraries contain their own
3638 # guards for processor-specific code, instead suppress
3639 # generation of the HWCAPS ELF section on Solaris x86 only.
3640 enabled_all suncc x86 &&
3641 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3642 add_ldflags -Wl,-M,mapfile
3643 nm_default='nm -P -g'
3647 oss_indev_extralibs="-lossaudio"
3648 oss_outdev_extralibs="-lossaudio"
3649 enabled gcc || check_ldflags -Wl,-zmuldefs
3654 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3656 oss_indev_extralibs="-lossaudio"
3657 oss_outdev_extralibs="-lossaudio"
3665 add_extralibs -lpoll -lgnugetopt
3669 gas="gas-preprocessor.pl $cc"
3670 enabled ppc && add_asflags -force_cpusubtype_ALL
3671 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3672 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3674 add_ldflags -Wl,-dynamic,-search_paths_first
3676 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3677 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3679 enabled x86_64 && objformat="macho64"
3680 enabled_any pic shared ||
3681 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3684 if test $target_os = "mingw32ce"; then
3690 if enabled x86_64; then
3691 LIBTARGET="i386:x86-64"
3692 elif enabled arm; then
3695 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3696 check_ldflags -Wl,--nxcompat
3697 check_ldflags -Wl,--dynamicbase
3698 shlibdir_default="$bindir_default"
3701 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3702 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3703 dlltool="${cross_prefix}dlltool"
3704 if check_cmd lib.exe -list; then
3705 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3706 if enabled x86_64; then
3709 elif check_cmd $dlltool --version; then
3710 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3712 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3714 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3715 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3716 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3723 if enabled shared; then
3724 # Link to the import library instead of the normal static library
3727 # Cannot build both shared and static libs with MSVC or icl.
3730 shlibdir_default="$bindir_default"
3733 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3734 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3735 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3736 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3738 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3739 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3740 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3747 shlibdir_default="$bindir_default"
3750 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3751 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3752 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3754 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3755 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3758 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3760 *-dos|freedos|opendos)
3761 network_extralibs="-lsocket"
3764 add_cppflags -U__STRICT_ANSI__
3771 ranlib="echo ignoring ranlib"
3777 add_cppflags -D_GNU_SOURCE
3778 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3779 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3783 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3784 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3785 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3786 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3787 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3788 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3789 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3790 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3791 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3792 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3793 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3795 enable_weak os2threads
3798 add_cppflags -D_BSD_SOURCE
3803 add_cppflags -D_QNX_SOURCE
3804 network_extralibs="-lsocket"
3809 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3810 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3811 add_ldflags -Wl,--target1-abs,--no-undefined \
3812 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3813 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3814 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3815 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3816 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3819 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3824 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3825 -D_REENTRANT_SOURCE \
3826 -D_RESEARCH_SOURCE \
3829 add_compat strtod.o strtod=avpriv_strtod
3830 network_extralibs='-lbsd'
3831 exeobjs=compat/plan9/main.o
3838 die "Unknown OS '$target_os'."
3842 # determine libc flavour
3847 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3848 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3849 eval ${pfx}libc_type=uclibc
3850 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3851 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3852 eval ${pfx}libc_type=glibc
3853 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3854 # MinGW headers can be installed on Cygwin, so check for newlib first.
3855 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3856 eval ${pfx}libc_type=newlib
3857 add_${pfx}cppflags -U__STRICT_ANSI__
3858 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3859 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3860 eval ${pfx}libc_type=mingw64
3861 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3862 add_compat msvcrt/snprintf.o
3863 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3865 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3866 eval test \$${pfx_no_}cc_type = "gcc" &&
3867 add_${pfx}cppflags -D__printf__=__gnu_printf__
3868 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3869 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3870 eval ${pfx}libc_type=mingw32
3871 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3872 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3873 die "ERROR: MinGW32 runtime version must be >= 3.15."
3874 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3875 eval test \$${pfx_no_}cc_type = "gcc" &&
3876 add_${pfx}cppflags -D__printf__=__gnu_printf__
3877 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3878 eval ${pfx}libc_type=msvcrt
3879 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3880 # 0x601 by default unless something else is set by the user.
3881 # This can easily lead to us detecting functions only present
3882 # in such new versions and producing binaries requiring windows 7.0.
3883 # Therefore explicitly set the default to XP unless the user has
3884 # set something else on the command line.
3885 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3886 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3887 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3888 eval ${pfx}libc_type=klibc
3889 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3890 eval ${pfx}libc_type=bionic
3891 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3892 eval ${pfx}libc_type=solaris
3893 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3898 test -n "$libc_type" && enable libc_$libc_type
3900 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3904 add_compat strtod.o strtod=avpriv_strtod
3907 add_compat strtod.o strtod=avpriv_strtod
3908 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3909 _snprintf=avpriv_snprintf \
3910 vsnprintf=avpriv_vsnprintf
3914 # hacks for compiler/libc/os combinations
3916 if enabled_all tms470 libc_glibc; then
3917 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3918 add_cppflags -D__USER_LABEL_PREFIX__=
3919 add_cppflags -D__builtin_memset=memset
3920 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3921 add_cflags -pds=48 # incompatible redefinition of macro
3924 if enabled_all ccc libc_glibc; then
3925 add_ldflags -Wl,-z,now # calls to libots crash without this
3929 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3932 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3934 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3936 set_default $PATHS_LIST
3939 # we need to build at least one lib type
3940 if ! enabled_any static shared; then
3942 At least one library type must be built.
3943 Specify --enable-static to build the static libraries or --enable-shared to
3944 build the shared libraries as well. To only build the shared libraries specify
3945 --disable-static in addition to --enable-shared.
3950 # backward compatibility layer for incompatible_libav/fork_abi
3951 enabled incompatible_fork_abi && enable incompatible_libav_abi
3952 enabled incompatible_libav_abi && enable incompatible_fork_abi
3954 die_license_disabled() {
3955 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3958 die_license_disabled_gpl() {
3959 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3962 die_license_disabled gpl frei0r
3963 die_license_disabled gpl libcdio
3964 die_license_disabled gpl libutvideo
3965 die_license_disabled gpl libvidstab
3966 die_license_disabled gpl libx264
3967 die_license_disabled gpl libxavs
3968 die_license_disabled gpl libxvid
3969 die_license_disabled gpl libzvbi
3970 die_license_disabled gpl x11grab
3972 die_license_disabled nonfree libaacplus
3973 die_license_disabled nonfree libfaac
3974 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3975 enabled gpl && die_license_disabled_gpl nonfree openssl
3977 die_license_disabled version3 libopencore_amrnb
3978 die_license_disabled version3 libopencore_amrwb
3979 die_license_disabled version3 libvo_aacenc
3980 die_license_disabled version3 libvo_amrwbenc
3982 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3984 disabled optimizations || check_cflags -fomit-frame-pointer
3987 disabled pic && return
3990 case "$target_os" in
4000 enabled pic && enable_weak_pic
4002 check_cc <<EOF || die "Symbol mangling check failed."
4005 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4006 extern_prefix=${sym%%ff_extern*}
4008 check_cc <<EOF && enable_weak inline_asm
4009 void foo(void) { __asm__ volatile ("" ::); }
4013 for restrict_keyword in restrict __restrict__ __restrict; do
4014 check_cc <<EOF && _restrict=$restrict_keyword && break
4015 void foo(char * $restrict_keyword p);
4019 check_cc <<EOF && enable pragma_deprecated
4020 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4023 check_cc <<EOF && enable attribute_packed
4024 struct { int x; } __attribute__((packed)) x;
4027 check_cc <<EOF && enable attribute_may_alias
4028 union { int x; } __attribute__((may_alias)) x;
4031 check_cc <<EOF || die "endian test failed"
4032 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4034 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4036 check_inline_asm inline_asm_labels '"1:\n"'
4038 if enabled alpha; then
4042 elif enabled arm; then
4044 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4045 float func(float a, float b){ return a+b; }
4048 enabled thumb && check_cflags -mthumb || check_cflags -marm
4051 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4053 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4054 case "${cross_prefix:-$cc}" in
4055 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4056 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4057 __asm__ (".eabi_attribute 28, 1");
4058 int main(void) { return 0; }
4061 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4064 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4065 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4066 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4067 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4068 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4069 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4071 [ $target_os = linux ] ||
4072 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4075 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4076 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
4078 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4080 elif enabled mips; then
4082 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4083 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4084 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4085 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4086 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4087 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4088 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4089 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4090 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4092 elif enabled parisc; then
4094 if enabled gcc; then
4095 case $($cc -dumpversion) in
4096 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4100 elif enabled ppc; then
4102 enable local_aligned_8 local_aligned_16
4104 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4105 check_inline_asm ibm_asm '"add 0, 0, 0"'
4106 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4107 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4109 # AltiVec flags: The FSF version of GCC differs from the Apple version
4110 if enabled altivec; then
4111 if ! enabled_any pic ppc64; then
4114 check_cflags -maltivec -mabi=altivec &&
4115 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4116 check_cflags -faltivec
4118 # check if our compiler supports Motorola AltiVec C API
4119 check_cc <<EOF || disable altivec
4122 vector signed int v1 = (vector signed int) { 0 };
4123 vector signed int v2 = (vector signed int) { 1 };
4124 v1 = vec_add(v1, v2);
4129 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4132 elif enabled sparc; then
4134 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4136 elif enabled x86; then
4138 check_builtin rdtsc intrin.h "__rdtsc()"
4139 check_builtin mm_empty mmintrin.h "_mm_empty()"
4141 enable local_aligned_8 local_aligned_16
4143 # check whether EBP is available on x86
4144 # As 'i' is stored on the stack, this program will crash
4145 # if the base pointer is used to access it because the
4146 # base pointer is cleared in the inline assembly code.
4147 check_exec_crash <<EOF && enable ebp_available
4149 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4153 # check whether EBX is available on x86
4154 check_inline_asm ebx_available '""::"b"(0)' &&
4155 check_inline_asm ebx_available '"":::"%ebx"'
4157 # check whether xmm clobbers are supported
4158 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4160 # check whether binutils is new enough to compile SSSE3/MMXEXT
4161 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4162 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4164 if ! disabled_any asm mmx yasm; then
4165 if check_cmd $yasmexe --version; then
4166 enabled x86_64 && yasm_extra="-m amd64"
4167 yasm_debug="-g dwarf2"
4168 elif check_cmd nasm -v; then
4170 yasm_debug="-g -F dwarf"
4171 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4174 YASMFLAGS="-f $objformat $yasm_extra"
4175 enabled pic && append YASMFLAGS "-DPIC"
4176 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4177 case "$objformat" in
4178 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4181 check_yasm "movbe ecx, [5]" && enable yasm ||
4182 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4183 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4184 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4185 check_yasm "CPU amdnop" && enable cpunop
4189 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4196 if enabled asm; then
4198 check_as <<EOF && enable gnu_as || \
4199 $nogas "GNU assembler not found, install gas-preprocessor"
4207 check_ldflags -Wl,--as-needed
4209 if check_func dlopen; then
4211 elif check_func dlopen -ldl; then
4215 if ! disabled network; then
4216 check_type "sys/types.h sys/socket.h" socklen_t
4217 check_type netdb.h "struct addrinfo"
4218 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4219 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4220 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4221 check_type netinet/in.h "struct sockaddr_in6"
4222 check_type poll.h "struct pollfd"
4223 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4224 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4225 check_type netinet/sctp.h "struct sctp_event_subscribe"
4226 check_func getaddrinfo $network_extralibs
4227 check_func getservbyport $network_extralibs
4228 # Prefer arpa/inet.h over winsock2
4229 if check_header arpa/inet.h ; then
4230 check_func closesocket
4231 elif check_header winsock2.h ; then
4232 check_func_headers winsock2.h closesocket -lws2 &&
4233 network_extralibs="-lws2" ||
4234 { check_func_headers winsock2.h closesocket -lws2_32 &&
4235 network_extralibs="-lws2_32"; }
4236 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4237 check_type ws2tcpip.h socklen_t
4238 check_type ws2tcpip.h "struct addrinfo"
4239 check_type ws2tcpip.h "struct group_source_req"
4240 check_type ws2tcpip.h "struct ip_mreq_source"
4241 check_type ws2tcpip.h "struct ipv6_mreq"
4242 check_type winsock2.h "struct pollfd"
4243 check_type ws2tcpip.h "struct sockaddr_in6"
4244 check_type ws2tcpip.h "struct sockaddr_storage"
4245 check_struct winsock2.h "struct sockaddr" sa_len
4251 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4252 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4255 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4258 check_func_headers stdlib.h getenv
4259 check_func gethrtime
4261 check_func getrusage
4262 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4263 check_func gettimeofday
4264 check_func inet_aton $network_extralibs
4266 check_func localtime_r
4267 check_func ${malloc_prefix}memalign && enable memalign
4271 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4272 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4273 check_func setrlimit
4274 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4275 check_func strerror_r
4276 check_func sched_getaffinity
4277 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4278 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4279 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4280 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4281 check_builtin sarestart signal.h "SA_RESTART"
4285 check_func_headers conio.h kbhit
4286 check_func_headers windows.h PeekNamedPipe
4287 check_func_headers io.h setmode
4288 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4289 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4290 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4291 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4292 check_func_headers windows.h GetProcessAffinityMask
4293 check_func_headers windows.h GetProcessTimes
4294 check_func_headers windows.h GetSystemTimeAsFileTime
4295 check_func_headers windows.h MapViewOfFile
4296 check_func_headers windows.h SetConsoleTextAttribute
4297 check_func_headers windows.h Sleep
4298 check_func_headers windows.h VirtualAlloc
4299 check_func_headers glob.h glob
4300 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4302 check_header cl/cl.h
4303 check_header direct.h
4304 check_header dlfcn.h
4306 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4308 check_header libcrystalhd/libcrystalhd_if.h
4309 check_header malloc.h
4311 check_header sys/mman.h
4312 check_header sys/param.h
4313 check_header sys/resource.h
4314 check_header sys/select.h
4315 check_header sys/time.h
4316 check_header sys/un.h
4317 check_header termios.h
4318 check_header unistd.h
4319 check_header vdpau/vdpau.h
4320 check_header vdpau/vdpau_x11.h
4321 check_header VideoDecodeAcceleration/VDADecoder.h
4322 check_header windows.h
4323 check_header X11/extensions/XvMClib.h
4324 check_header asm/types.h
4326 if ! disabled w32threads && ! enabled pthreads; then
4327 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4330 # check for some common methods of building with pthread support
4331 # do this before the optional library checks as some of them require pthreads
4332 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4334 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4336 add_extralibs -pthread
4337 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4338 add_cflags -pthreads
4339 add_extralibs -pthreads
4340 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4341 add_extralibs -lpthreadGC2
4342 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4344 elif ! check_func pthread_join && ! check_func pthread_create; then
4349 for thread in $THREADS_LIST; do
4350 if enabled $thread; then
4351 test -n "$thread_type" &&
4352 die "ERROR: Only one thread type must be selected." ||
4353 thread_type="$thread"
4357 if enabled pthreads; then
4358 check_func pthread_cancel
4361 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4362 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4364 check_lib math.h sin -lm && LIBM="-lm"
4365 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4371 for func in $MATH_FUNCS; do
4372 eval check_mathfunc $func \${${func}_args:-1}
4375 # these are off by default, so fail if requested and not available
4376 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4377 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4378 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4379 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4380 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4381 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4382 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4383 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4384 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4385 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4386 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4387 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4388 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4389 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4390 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4391 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4392 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4393 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
4394 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4395 enabled libfreetype && require_libfreetype
4396 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4397 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4398 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4399 done || die "ERROR: libgsm not found"; }
4400 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4401 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4402 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4403 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4404 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4405 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4406 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4407 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4408 check_lib openjpeg.h opj_version -lopenjpeg ||
4409 die "ERROR: libopenjpeg not found"; }
4410 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4411 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4412 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4413 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4414 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4415 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4416 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4417 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4418 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4419 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4420 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4421 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4422 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4423 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4424 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4425 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4426 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4427 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4428 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4429 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4430 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4431 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4433 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4434 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4435 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
4436 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4437 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4438 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_SVC" -lvpx || disable libvpx_vp9_encoder; } }
4439 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4440 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4441 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4442 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4443 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4444 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4445 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4446 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4447 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4448 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4449 die "ERROR: openal not found"; } &&
4450 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4451 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4452 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4453 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4454 die "ERROR: opencl not found"; } &&
4455 { ! enabled_any w32threads os2threads ||
4456 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4457 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4458 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4459 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4460 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4461 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4462 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4463 die "ERROR: openssl not found"; }
4465 if enabled gnutls; then
4466 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4467 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4471 if enabled libdc1394; then
4472 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4473 enable libdc1394_2; } ||
4474 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4475 enable libdc1394_1; } ||
4476 die "ERROR: No version of libdc1394 found "
4479 SDL_CONFIG="${cross_prefix}sdl-config"
4480 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4481 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4482 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4485 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4486 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4487 sdl_libs=$("${SDL_CONFIG}" --libs)
4488 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4489 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4490 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4494 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4496 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4497 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4498 perl -v > /dev/null 2>&1 && enable perl || disable perl
4499 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4500 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4502 check_header linux/fb.h
4503 check_header linux/videodev.h
4504 check_header linux/videodev2.h
4505 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4507 check_header sys/videoio.h
4509 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4510 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4511 # w32api 3.12 had it defined wrong
4512 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4514 check_type "dshow.h" IBaseFilter
4516 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4517 { check_header dev/bktr/ioctl_meteor.h &&
4518 check_header dev/bktr/ioctl_bt848.h; } ||
4519 { check_header machine/ioctl_meteor.h &&
4520 check_header machine/ioctl_bt848.h; } ||
4521 { check_header dev/video/meteor/ioctl_meteor.h &&
4522 check_header dev/video/bktr/ioctl_bt848.h; } ||
4523 check_header dev/ic/bt8xx.h
4525 check_header sndio.h
4526 if check_struct sys/soundcard.h audio_buf_info bytes; then
4527 enable_safe sys/soundcard.h
4529 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4530 #include <sys/soundcard.h>
4534 check_header soundcard.h
4536 enabled_any alsa_indev alsa_outdev &&
4537 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4539 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4540 check_func jack_port_get_latency_range -ljack
4542 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4544 if enabled libcdio; then
4545 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4546 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4547 die "ERROR: libcdio-paranoia not found"
4550 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4553 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4554 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4555 { enabled xlib || die "ERROR: Xlib not found"; }
4558 check_lib va/va.h vaInitialize -lva ||
4562 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4565 enabled vdpau && enabled xlib &&
4566 check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4569 # Funny iconv installations are not unusual, so check it after all flags have been set
4570 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4572 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4574 # add some useful compiler flags if supported
4575 check_cflags -Wdeclaration-after-statement
4577 check_cflags -Wdisabled-optimization
4578 check_cflags -Wpointer-arith
4579 check_cflags -Wredundant-decls
4580 check_cflags -Wwrite-strings
4581 check_cflags -Wtype-limits
4582 check_cflags -Wundef
4583 check_cflags -Wmissing-prototypes
4584 check_cflags -Wno-pointer-to-int-cast
4585 check_cflags -Wstrict-prototypes
4586 enabled extra_warnings && check_cflags -Winline
4588 check_disable_warning(){
4589 warning_flag=-W${1#-Wno-}
4590 test_cflags $warning_flag && add_cflags $1
4593 check_disable_warning -Wno-parentheses
4594 check_disable_warning -Wno-switch
4595 check_disable_warning -Wno-format-zero-length
4596 check_disable_warning -Wno-pointer-sign
4598 # add some linker flags
4599 check_ldflags -Wl,--warn-common
4600 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4601 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4602 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4604 # add some strip flags
4605 # -wN '..@*' is more selective than -x, but not available everywhere.
4606 check_stripflags -wN \'..@*\' || check_stripflags -x
4608 enabled xmm_clobber_test &&
4609 check_ldflags -Wl,--wrap,avcodec_open2 \
4610 -Wl,--wrap,avcodec_decode_audio4 \
4611 -Wl,--wrap,avcodec_decode_video2 \
4612 -Wl,--wrap,avcodec_decode_subtitle2 \
4613 -Wl,--wrap,avcodec_encode_audio2 \
4614 -Wl,--wrap,avcodec_encode_video \
4615 -Wl,--wrap,avcodec_encode_video2 \
4616 -Wl,--wrap,avcodec_encode_subtitle \
4617 -Wl,--wrap,sws_scale ||
4618 disable xmm_clobber_test
4621 if test_ldflags -Wl,--version-script,$TMPV; then
4622 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4623 check_cc <<EOF && enable symver_asm_label
4624 void ff_foo(void) __asm__ ("av_foo@VERSION");
4625 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4627 check_cc <<EOF && enable symver_gnu_asm
4628 __asm__(".symver ff_foo,av_foo@VERSION");
4629 void ff_foo(void) {}
4633 if [ -z "$optflags" ]; then
4634 if enabled small; then
4635 optflags=$cflags_size
4636 elif enabled optimizations; then
4637 optflags=$cflags_speed
4639 optflags=$cflags_noopt
4645 enabled lto && check_ldflags "$@"
4649 if enabled lto; then
4650 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4652 check_ldflags -flto $cpuflags
4655 check_optflags $optflags
4656 check_optflags -fno-math-errno
4657 check_optflags -fno-signed-zeros
4659 enabled ftrapv && check_cflags -ftrapv
4661 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4666 if enabled icc; then
4667 # Just warnings, no remarks
4669 # -wd: Disable following warnings
4670 # 144, 167, 556: -Wno-pointer-sign
4671 # 188: enumerated type mixed with another type
4672 # 1292: attribute "foo" ignored
4673 # 1419: external declaration in primary source file
4674 # 10006: ignoring unknown option -fno-signed-zeros
4675 # 10148: ignoring unknown option -Wno-parentheses
4676 # 10156: ignoring option '-W'; no argument required
4677 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4678 # 11030: Warning unknown option --as-needed
4679 # 10156: ignoring option '-export'; no argument required
4680 check_ldflags -wd10156,11030
4681 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4682 enable ebp_available
4683 if enabled x86_32; then
4684 icc_version=$($cc -dumpversion)
4685 test ${icc_version%%.*} -ge 11 &&
4686 check_cflags -falign-stack=maintain-16-byte ||
4687 disable aligned_stack
4689 elif enabled ccc; then
4690 # disable some annoying warnings
4691 add_cflags -msg_disable bitnotint
4692 add_cflags -msg_disable mixfuncvoid
4693 add_cflags -msg_disable nonstandcast
4694 add_cflags -msg_disable unsupieee
4695 elif enabled gcc; then
4696 check_optflags -fno-tree-vectorize
4697 check_cflags -Werror=implicit-function-declaration
4698 check_cflags -Werror=missing-prototypes
4699 check_cflags -Werror=return-type
4700 check_cflags -Werror=vla
4701 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4702 elif enabled llvm_gcc; then
4703 check_cflags -mllvm -stack-alignment=16
4704 elif enabled clang; then
4705 check_cflags -mllvm -stack-alignment=16
4706 check_cflags -Qunused-arguments
4707 check_cflags -Werror=implicit-function-declaration
4708 check_cflags -Werror=missing-prototypes
4709 check_cflags -Werror=return-type
4710 elif enabled cparser; then
4711 add_cflags -Wno-missing-variable-declarations
4712 add_cflags -Wno-empty-statement
4713 elif enabled armcc; then
4714 # 2523: use of inline assembler is deprecated
4715 add_cflags -W${armcc_opt},--diag_suppress=2523
4716 add_cflags -W${armcc_opt},--diag_suppress=1207
4717 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4718 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4719 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4720 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4721 elif enabled tms470; then
4722 add_cflags -pds=824 -pds=837
4724 elif enabled pathscale; then
4725 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4726 elif enabled_any msvc icl; then
4727 enabled x86_32 && disable aligned_stack
4728 enabled_all x86_32 debug && add_cflags -Oy-
4729 enabled debug && add_ldflags -debug
4730 enable pragma_deprecated
4731 if enabled icl; then
4732 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4733 # (correctly) on icl 13.x.
4734 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4735 add_cflags -Qansi-alias
4736 # icl will pass the inline asm tests but inline asm is currently
4737 # not supported (build will fail)
4738 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4745 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4748 add_cppflags -Dmain=plan9_main
4752 enable frame_thread_encoder
4754 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4756 check_deps $CONFIG_LIST \
4761 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
4764 if test $target_os = "haiku"; then
4766 disable posix_memalign
4769 ! enabled_any memalign posix_memalign aligned_malloc &&
4770 enabled_any $need_memalign && enable memalign_hack
4773 # -> enable ${lib}_deps_${dep}
4774 # -> add $dep to ${lib}_deps only once
4778 enabled "${lib}_deps_${dep}" && return 0
4779 enable "${lib}_deps_${dep}"
4780 prepend "${lib}_deps" $dep
4783 # merge deps lib components
4784 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4789 enabled $comp || continue
4790 eval "dep=\"\$${comp}_deps\""
4797 merge_deps libavfilter $FILTER_LIST
4799 echo "install prefix $prefix"
4800 echo "source path $source_path"
4801 echo "C compiler $cc"
4802 echo "C library $libc_type"
4803 if test "$host_cc" != "$cc"; then
4804 echo "host C compiler $host_cc"
4805 echo "host C library $host_libc_type"
4807 echo "ARCH $arch ($cpu)"
4808 if test "$build_suffix" != ""; then
4809 echo "build suffix $build_suffix"
4811 if test "$progs_suffix" != ""; then
4812 echo "progs suffix $progs_suffix"
4814 if test "$extra_version" != ""; then
4815 echo "version string suffix $extra_version"
4817 echo "big-endian ${bigendian-no}"
4818 echo "runtime cpu detection ${runtime_cpudetect-no}"
4819 if enabled x86; then
4820 echo "${yasmexe} ${yasm-no}"
4821 echo "MMX enabled ${mmx-no}"
4822 echo "MMXEXT enabled ${mmxext-no}"
4823 echo "3DNow! enabled ${amd3dnow-no}"
4824 echo "3DNow! extended enabled ${amd3dnowext-no}"
4825 echo "SSE enabled ${sse-no}"
4826 echo "SSSE3 enabled ${ssse3-no}"
4827 echo "AVX enabled ${avx-no}"
4828 echo "FMA4 enabled ${fma4-no}"
4829 echo "i686 features enabled ${i686-no}"
4830 echo "CMOV is fast ${fast_cmov-no}"
4831 echo "EBX available ${ebx_available-no}"
4832 echo "EBP available ${ebp_available-no}"
4834 if enabled arm; then
4835 echo "ARMv5TE enabled ${armv5te-no}"
4836 echo "ARMv6 enabled ${armv6-no}"
4837 echo "ARMv6T2 enabled ${armv6t2-no}"
4838 echo "VFP enabled ${vfp-no}"
4839 echo "NEON enabled ${neon-no}"
4840 echo "THUMB enabled ${thumb-no}"
4842 if enabled mips; then
4843 echo "MIPS FPU enabled ${mipsfpu-no}"
4844 echo "MIPS32R2 enabled ${mips32r2-no}"
4845 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4846 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4848 if enabled ppc; then
4849 echo "AltiVec enabled ${altivec-no}"
4850 echo "PPC 4xx optimizations ${ppc4xx-no}"
4851 echo "dcbzl available ${dcbzl-no}"
4853 if enabled sparc; then
4854 echo "VIS enabled ${vis-no}"
4856 echo "debug symbols ${debug-no}"
4857 echo "strip symbols ${stripping-no}"
4858 echo "optimize for size ${small-no}"
4859 echo "optimizations ${optimizations-no}"
4860 echo "static ${static-no}"
4861 echo "shared ${shared-no}"
4862 echo "postprocessing support ${postproc-no}"
4863 echo "new filter support ${avfilter-no}"
4864 echo "network support ${network-no}"
4865 echo "threading support ${thread_type-no}"
4866 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4867 echo "SDL support ${sdl-no}"
4868 echo "opencl enabled ${opencl-no}"
4869 echo "libzvbi enabled ${libzvbi-no}"
4870 echo "texi2html enabled ${texi2html-no}"
4871 echo "perl enabled ${perl-no}"
4872 echo "pod2man enabled ${pod2man-no}"
4873 echo "makeinfo enabled ${makeinfo-no}"
4874 test -n "$random_seed" &&
4875 echo "random seed ${random_seed}"
4878 echo "External libraries:"
4879 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4882 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4883 echo "Enabled ${type}s:"
4884 eval list=\$$(toupper $type)_LIST
4885 print_enabled '_*' $list | print_3_columns
4889 license="LGPL version 2.1 or later"
4890 if enabled nonfree; then
4891 license="nonfree and unredistributable"
4892 elif enabled gplv3; then
4893 license="GPL version 3 or later"
4894 elif enabled lgplv3; then
4895 license="LGPL version 3 or later"
4896 elif enabled gpl; then
4897 license="GPL version 2 or later"
4900 echo "License: $license"
4902 echo "Creating config.mak, config.h, and doc/config.texi..."
4904 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4906 enabled stripping || strip="echo skipping strip"
4908 config_files="$TMPH config.mak doc/config.texi"
4910 cat > config.mak <<EOF
4911 # Automatically generated by configure - do not modify!
4912 ifndef FFMPEG_CONFIG_MAK
4914 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4916 LIBDIR=\$(DESTDIR)$libdir
4917 SHLIBDIR=\$(DESTDIR)$shlibdir
4918 INCDIR=\$(DESTDIR)$incdir
4919 BINDIR=\$(DESTDIR)$bindir
4920 DATADIR=\$(DESTDIR)$datadir
4921 DOCDIR=\$(DESTDIR)$docdir
4922 MANDIR=\$(DESTDIR)$mandir
4923 SRC_PATH=$source_path
4924 ifndef MAIN_MAKEFILE
4925 SRC_PATH:=\$(SRC_PATH:.%=..%)
4934 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4936 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4964 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4965 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
4966 YASMFLAGS=$YASMFLAGS
4967 BUILDSUF=$build_suffix
4968 PROGSSUF=$progs_suffix
4976 EXTRA_VERSION=$extra_version
4979 CCDEP_FLAGS=$CCDEP_FLAGS
4981 ASDEP_FLAGS=$ASDEP_FLAGS
4982 CC_DEPFLAGS=$CC_DEPFLAGS
4983 AS_DEPFLAGS=$AS_DEPFLAGS
4986 HOSTCFLAGS=$host_cflags
4987 HOSTCPPFLAGS=$host_cppflags
4988 HOSTEXESUF=$HOSTEXESUF
4989 HOSTLDFLAGS=$host_ldflags
4992 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4993 HOSTCCDEP=$HOSTCCDEP
4994 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4995 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4999 TARGET_EXEC=$target_exec $target_exec_args
5000 TARGET_PATH=$target_path
5001 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5002 LIBS-ffplay=$sdl_libs
5003 CFLAGS-ffplay=$sdl_cflags
5004 ZLIB=$($ldflags_filter -lz)
5005 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5006 EXTRALIBS=$extralibs
5007 COMPAT_OBJS=$compat_objs
5010 LIBTARGET=${LIBTARGET}
5011 SLIBNAME=${SLIBNAME}
5012 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5013 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5014 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5015 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5016 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5017 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5018 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5019 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5020 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5021 NOREDZONE_FLAGS=$noredzone_flags
5026 name=$(toupper $lcname)
5027 file=$source_path/$lcname/version.h
5028 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5029 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5030 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5031 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5032 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5035 map 'get_version $v' $LIBRARY_LIST
5038 /* Automatically generated by configure - do not modify! */
5039 #ifndef FFMPEG_CONFIG_H
5040 #define FFMPEG_CONFIG_H
5041 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5042 #define FFMPEG_LICENSE "$(c_escape $license)"
5043 #define CONFIG_THIS_YEAR 2013
5044 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5045 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5046 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5047 #define av_restrict $_restrict
5048 #define EXTERN_PREFIX "${extern_prefix}"
5049 #define EXTERN_ASM ${extern_prefix}
5050 #define BUILDSUF "$build_suffix"
5051 #define SLIBSUF "$SLIBSUF"
5052 #define HAVE_MMX2 HAVE_MMXEXT
5055 test -n "$assert_level" &&
5056 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5058 test -n "$malloc_prefix" &&
5059 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5061 if enabled yasm; then
5062 append config_files $TMPASM
5066 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5070 echo "@c auto-generated by configure" > doc/config.texi
5072 print_config ARCH_ "$config_files" $ARCH_LIST
5073 print_config HAVE_ "$config_files" $HAVE_LIST
5074 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5078 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5079 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5081 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5082 cp_if_changed $TMPH config.h
5085 enabled yasm && cp_if_changed $TMPASM config.asm
5088 /* Generated by ffconf */
5089 #ifndef AVUTIL_AVCONFIG_H
5090 #define AVUTIL_AVCONFIG_H
5093 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5095 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5097 cp_if_changed $TMPH libavutil/avconfig.h
5099 if test -n "$WARNINGS"; then
5100 printf "\n$WARNINGS"
5101 enabled fatal_warnings && exit 1
5104 # build pkg-config files
5106 pkgconfig_generate(){
5108 shortname=${name#lib}${build_suffix}
5113 enabled ${name#lib} || return 0
5115 cat <<EOF > $name/$name${build_suffix}.pc
5117 exec_prefix=\${prefix}
5122 Description: $comment
5124 Requires: $(enabled shared || echo $requires)
5125 Requires.private: $(enabled shared && echo $requires)
5127 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5128 Libs.private: $(enabled shared && echo $libs)
5129 Cflags: -I\${includedir}
5132 mkdir -p doc/examples/pc-uninstalled
5133 includedir=${source_path}
5134 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5135 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5138 libdir=\${pcfiledir}/../../../$name
5139 includedir=${includedir}
5142 Description: $comment
5146 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5147 Cflags: -I\${includedir}
5151 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5152 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5153 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5154 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5155 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5156 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5157 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5158 lavfi_libs=${lavfi_libs%, }
5160 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5161 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5163 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5164 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5165 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5166 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5167 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5168 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5169 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5170 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5171 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5173 fix_ffmpeg_remote(){
5176 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5177 if [ "$fixme_remote" != "" ]; then
5179 Outdated domain in git config, the official domain for ffmpeg git is since
5180 November 2011, source.ffmpeg.org, both the old and the new point to the same
5181 repository and server. To update it enter the following commands:
5183 for remote in $fixme_remote; do
5184 echolog "git remote set-url $remote $git_remote_to"
5189 if test -f "$source_path/.git/config"; then
5190 remote_from=git.videolan.org
5191 remote_to=source.ffmpeg.org
5192 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5193 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg