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]
110 --enable-raise-major increase major version numbers in sonames [no]
113 --disable-programs do not build command line programs
114 --disable-ffmpeg disable ffmpeg build
115 --disable-ffplay disable ffplay build
116 --disable-ffprobe disable ffprobe build
117 --disable-ffserver disable ffserver build
119 Documentation options:
120 --disable-doc do not build documentation
121 --disable-htmlpages do not build HTML documentation pages
122 --disable-manpages do not build man documentation pages
123 --disable-podpages do not build POD documentation pages
124 --disable-txtpages do not build text documentation pages
127 --disable-avdevice disable libavdevice build
128 --disable-avcodec disable libavcodec build
129 --disable-avformat disable libavformat build
130 --disable-avutil disable libavutil build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [auto]
137 --disable-w32threads disable Win32 threads [auto]
138 --disable-os2threads disable OS/2 threads [auto]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
149 Hardware accelerators:
150 --disable-dxva2 disable DXVA2 code [autodetect]
151 --disable-vaapi disable VAAPI code [autodetect]
152 --enable-vda enable VDA code
153 --disable-vdpau disable VDPAU code [autodetect]
155 Individual component options:
156 --disable-everything disable all components listed below
157 --disable-encoder=NAME disable encoder NAME
158 --enable-encoder=NAME enable encoder NAME
159 --disable-encoders disable all encoders
160 --disable-decoder=NAME disable decoder NAME
161 --enable-decoder=NAME enable decoder NAME
162 --disable-decoders disable all decoders
163 --disable-hwaccel=NAME disable hwaccel NAME
164 --enable-hwaccel=NAME enable hwaccel NAME
165 --disable-hwaccels disable all hwaccels
166 --disable-muxer=NAME disable muxer NAME
167 --enable-muxer=NAME enable muxer NAME
168 --disable-muxers disable all muxers
169 --disable-demuxer=NAME disable demuxer NAME
170 --enable-demuxer=NAME enable demuxer NAME
171 --disable-demuxers disable all demuxers
172 --enable-parser=NAME enable parser NAME
173 --disable-parser=NAME disable parser NAME
174 --disable-parsers disable all parsers
175 --enable-bsf=NAME enable bitstream filter NAME
176 --disable-bsf=NAME disable bitstream filter NAME
177 --disable-bsfs disable all bitstream filters
178 --enable-protocol=NAME enable protocol NAME
179 --disable-protocol=NAME disable protocol NAME
180 --disable-protocols disable all protocols
181 --enable-indev=NAME enable input device NAME
182 --disable-indev=NAME disable input device NAME
183 --disable-indevs disable input devices
184 --enable-outdev=NAME enable output device NAME
185 --disable-outdev=NAME disable output device NAME
186 --disable-outdevs disable output devices
187 --disable-devices disable all devices
188 --enable-filter=NAME enable filter NAME
189 --disable-filter=NAME disable filter NAME
190 --disable-filters disable all filters
192 External library support:
193 --enable-avisynth enable reading of AviSynth script files [no]
194 --disable-bzlib disable bzlib [autodetect]
195 --enable-fontconfig enable fontconfig
196 --enable-frei0r enable frei0r video filtering
197 --enable-gnutls enable gnutls [no]
198 --disable-iconv disable iconv [autodetect]
199 --enable-ladspa enable LADSPA audio filtering
200 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
201 --enable-libass enable libass subtitles rendering [no]
202 --enable-libbluray enable BluRay reading using libbluray [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-libgme enable Game Music Emu via libgme [no]
213 --enable-libgsm enable GSM de/encoding via libgsm [no]
214 --enable-libiec61883 enable iec61883 via libiec61883 [no]
215 --enable-libilbc enable iLBC de/encoding via libilbc [no]
216 --enable-libmodplug enable ModPlug via libmodplug [no]
217 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
218 --enable-libnut enable NUT (de)muxing via libnut,
219 native (de)muxer exists [no]
220 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
221 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
222 --enable-libopencv enable video filtering via libopencv [no]
223 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
224 --enable-libopus enable Opus decoding via libopus [no]
225 --enable-libpulse enable Pulseaudio input via libpulse [no]
226 --enable-libquvi enable quvi input via libquvi [no]
227 --enable-librtmp enable RTMP[E] support via librtmp [no]
228 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
229 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
230 --enable-libsoxr enable Include libsoxr resampling [no]
231 --enable-libspeex enable Speex de/encoding via libspeex [no]
232 --enable-libssh enable SFTP protocol via libssh [no]
233 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
234 --enable-libtheora enable Theora encoding via libtheora [no]
235 --enable-libtwolame enable MP2 encoding via libtwolame [no]
236 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
237 --enable-libv4l2 enable libv4l2/v4l-utils [no]
238 --enable-libvidstab enable video stabilization using vid.stab [no]
239 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
240 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
241 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
242 native implementation exists [no]
243 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
244 --enable-libwavpack enable wavpack encoding via libwavpack [no]
245 --enable-libwebp enable WebP encoding via libwebp [no]
246 --enable-libx264 enable H.264 encoding via x264 [no]
247 --enable-libxavs enable AVS encoding via xavs [no]
248 --enable-libxvid enable Xvid encoding via xvidcore,
249 native MPEG-4/Xvid encoder exists [no]
250 --enable-libzmq enable message passing via libzmq [no]
251 --enable-libzvbi enable teletext support via libzvbi [no]
252 --enable-openal enable OpenAL 1.1 capture support [no]
253 --enable-opencl enable OpenCL code
254 --enable-openssl enable openssl [no]
255 --enable-x11grab enable X11 grabbing [no]
256 --disable-zlib disable zlib [autodetect]
258 Advanced options (experts only):
259 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
260 --enable-cross-compile assume a cross-compiler is used
261 --sysroot=PATH root of cross-build tree
262 --sysinclude=PATH location of cross-build system headers
263 --target-os=OS compiler targets OS [$target_os]
264 --target-exec=CMD command to run executables on target
265 --target-path=DIR path to view of build directory on target
266 --target-samples=DIR path to samples directory on target
267 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
268 --toolchain=NAME set tool defaults according to NAME
269 --nm=NM use nm tool NM [$nm_default]
270 --ar=AR use archive tool AR [$ar_default]
271 --as=AS use assembler AS [$as_default]
272 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
273 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
274 --cc=CC use C compiler CC [$cc_default]
275 --cxx=CXX use C compiler CXX [$cxx_default]
276 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
277 --ld=LD use linker LD [$ld_default]
278 --host-cc=HOSTCC use host C compiler HOSTCC
279 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
280 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
281 --host-ld=HOSTLD use host linker HOSTLD
282 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
283 --host-libs=HLIBS use libs HLIBS when linking for host
284 --host-os=OS compiler host OS [$target_os]
285 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
286 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
287 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
288 --extra-libs=ELIBS add ELIBS [$ELIBS]
289 --extra-version=STRING version string suffix []
290 --optflags=OPTFLAGS override optimization-related compiler flags
291 --build-suffix=SUFFIX library name suffix []
292 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
293 --progs-suffix=SUFFIX program name suffix []
294 --arch=ARCH select architecture [$arch]
295 --cpu=CPU select the minimum required CPU (affects
296 instruction selection, may crash on older CPUs)
297 --enable-pic build position-independent code
298 --enable-sram allow use of on-chip SRAM
299 --enable-thumb compile for Thumb instruction set
300 --disable-symver disable symbol versioning
301 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
302 --disable-safe-bitstream-reader
303 disable buffer boundary checking in bitreaders
304 (faster, but may crash)
305 --enable-memalign-hack emulate memalign, interferes with memory debuggers
306 --enable-lto use link-time optimization
308 Optimization options (experts only):
309 --disable-asm disable all assembler optimizations
310 --disable-altivec disable AltiVec optimizations
311 --disable-amd3dnow disable 3DNow! optimizations
312 --disable-amd3dnowext disable 3DNow! extended optimizations
313 --disable-mmx disable MMX optimizations
314 --disable-mmxext disable MMXEXT optimizations
315 --disable-sse disable SSE optimizations
316 --disable-sse2 disable SSE2 optimizations
317 --disable-sse3 disable SSE3 optimizations
318 --disable-ssse3 disable SSSE3 optimizations
319 --disable-sse4 disable SSE4 optimizations
320 --disable-sse42 disable SSE4.2 optimizations
321 --disable-avx disable AVX optimizations
322 --disable-fma4 disable FMA4 optimizations
323 --disable-avx2 disable AVX2 optimizations
324 --disable-armv5te disable armv5te optimizations
325 --disable-armv6 disable armv6 optimizations
326 --disable-armv6t2 disable armv6t2 optimizations
327 --disable-vfp disable VFP optimizations
328 --disable-neon disable NEON optimizations
329 --disable-vis disable VIS optimizations
330 --disable-inline-asm disable use of inline assembler
331 --disable-yasm disable use of yasm assembler
332 --disable-mips32r2 disable MIPS32R2 optimizations
333 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
334 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
335 --disable-mipsfpu disable floating point MIPS optimizations
336 --disable-fast-unaligned consider unaligned accesses slow
338 Developer options (useful when working on FFmpeg itself):
339 --disable-debug disable debugging symbols
340 --enable-debug=LEVEL set the debug level [$debuglevel]
341 --disable-optimizations disable compiler optimizations
342 --enable-extra-warnings enable more compiler warnings
343 --disable-stripping disable stripping of executables and shared libraries
344 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
345 2 causes a slowdown at runtime.
346 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
347 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
348 leaks and errors, using the specified valgrind binary.
349 Cannot be combined with --target-exec
350 --enable-ftrapv Trap arithmetic overflows
351 --samples=PATH location of test samples for FATE, if not set use
352 \$FATE_SAMPLES at make invocation time.
353 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
354 should be used only for debugging purposes)
355 --enable-random randomly enable/disable components
357 --enable-random=LIST randomly enable/disable specific components or
358 --disable-random=LIST component groups. LIST is a comma-separated list
359 of NAME[:PROB] entries where NAME is a component
360 (group) and PROB the probability associated with
362 --random-seed=VALUE seed value for --enable/disable-random
364 NOTE: Object files are built at the place where configure is launched.
372 echo "$@" >> $logfile
377 pr -n -t $1 >> $logfile
388 WARNINGS="${WARNINGS}WARNING: $*\n"
395 If you think configure made a mistake, make sure you are using the latest
396 version from Git. If the latest version fails, report the problem to the
397 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
399 if disabled logging; then
401 Rerun configure with logging enabled (do not use --disable-logging), and
402 include the log this produces with your report.
406 Include the log file "$logfile" produced by configure as this will help
413 # Avoid locale weirdness, besides we really just want to translate ASCII.
415 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
419 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
423 echo "$*" | sed 's/["\\]/\\\0/g'
427 v=$(echo "$1" | sed "s/'/'\\\\''/g")
428 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
433 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
440 eval "case $v in $pat) echo $v ;; esac"
448 eval "case $v in $pat) ;; *) echo $v ;; esac"
455 for v; do eval $m; done
461 for v; do echo ${v}${suffix}; done
476 eval : \${$var:=$value}
481 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
487 eval $(sanitize_var_name "$var")='$*'
491 eval echo \$$(sanitize_var_name "$1")
496 eval level=\${${pvar}_level:=0}
497 eval ${pvar}_${level}="\$$pvar"
498 eval ${pvar}_level=$(($level+1))
504 eval level=\${${pvar}_level:-0}
505 test $level = 0 && continue
506 eval level=$(($level-1))
507 eval $pvar="\${${pvar}_${level}}"
508 eval ${pvar}_level=$level
509 eval unset ${pvar}_${level}
531 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
537 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
543 enabled $var && continue
544 eval sel="\$${var}_select"
545 eval sgs="\$${var}_suggest"
549 enable_deep_weak $sgs
561 disabled $var && continue
570 test "${1#!}" = "$1" && op== || op=!=
571 eval test "x\$${1#!}" $op "xyes"
575 test "${1#!}" = "$1" && op== || op=!=
576 eval test "x\$${1#!}" $op "xno"
581 enabled $opt || return 1
587 disabled $opt || return 1
593 enabled $opt && return 0
599 disabled $opt && return 0
606 eval : \${$opt:=\$${opt}_default}
614 [ $var = $value ] && return 0
622 enabled ${cfg}_checking && die "Circular dependency for $cfg."
623 disabled ${cfg}_checking && continue
624 enable ${cfg}_checking
627 eval dep_all="\$${cfg}_deps"
628 eval dep_any="\$${cfg}_deps_any"
629 eval dep_sel="\$${cfg}_select"
630 eval dep_sgs="\$${cfg}_suggest"
631 eval dep_ifa="\$${cfg}_if"
632 eval dep_ifn="\$${cfg}_if_any"
634 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
635 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
636 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
638 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
639 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
640 enabled_all $dep_all || disable $cfg
641 enabled_any $dep_any || disable $cfg
642 disabled_any $dep_sel && disable $cfg
644 if enabled $cfg; then
646 enable_deep_weak $dep_sgs
649 disable ${cfg}_checking
658 for cfg in $allopts; do
659 enabled $cfg || continue
660 eval dep_extralibs="\$${cfg}_extralibs"
661 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
669 map 'eval echo "$v \${$v:-no}"' "$@" |
670 awk "BEGIN { split(\"$files\", files) }
672 c = \"$pfx\" toupper(\$1);
678 if (file ~ /\\.h\$/) {
679 printf(\"#define %s %d\\n\", c, v) >>file;
680 } else if (file ~ /\\.asm\$/) {
681 printf(\"%%define %s %d\\n\", c, v) >>file;
682 } else if (file ~ /\\.mak\$/) {
683 n = -v ? \"\" : \"!\";
684 printf(\"%s%s=yes\\n\", n, c) >>file;
685 } else if (file ~ /\\.texi\$/) {
686 pre = -v ? \"\" : \"@c \";
689 gsub(/_/, \"-\", c2);
690 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
700 enabled $v && printf "%s\n" ${v%$suf};
707 eval "$var=\"\$$var $*\""
713 eval "$var=\"$* \$$var\""
721 append CFLAGS $($cflags_filter "$@")
725 append CXXFLAGS $($cflags_filter "$@")
729 append ASFLAGS $($asflags_filter "$@")
733 append LDFLAGS $($ldflags_filter "$@")
737 append ASMSTRIPFLAGS "$@"
741 prepend extralibs $($ldflags_filter "$@")
745 append host_cppflags "$@"
749 append host_cflags $($host_cflags_filter "$@")
753 append host_ldflags $($host_ldflags_filter "$@")
757 append compat_objs $1
759 map 'add_cppflags -D$v' "$@"
764 "$@" >> $logfile 2>&1
768 eval printf '%s\\n' $CC_O
772 eval printf '%s\\n' $CC_E
779 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
786 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
793 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
797 eval printf '%s\\n' $AS_O
804 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
808 log check_inline_asm "$@"
813 check_cc "$@" <<EOF && enable $name
814 void foo(void){ __asm__ volatile($code); }
820 check_inline_asm ${1}_inline "\"$2\""
821 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
829 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
833 eval printf '%s\\n' $LD_O
840 flags=$(filter_out '-l*|*.so' $@)
841 libs=$(filter '-l*|*.so' $@)
842 check_$type $($cflags_filter $flags) || return
843 flags=$($ldflags_filter $flags)
844 libs=$($ldflags_filter $libs)
845 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
855 for hdr in $headers; do
856 echo "#include <$hdr>"
858 echo "int main(void) { $code; return 0; }"
859 } | check_$check "$@"
863 log check_cppflags "$@"
864 check_cc "$@" <<EOF && append CPPFLAGS "$@"
871 set -- $($cflags_filter "$@")
878 log check_cflags "$@"
879 test_cflags "$@" && add_cflags "$@"
883 log check_cxxflags "$@"
884 set -- $($cflags_filter "$@")
885 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
891 log test_ldflags "$@"
892 check_ld "cc" "$@" <<EOF
893 int main(void){ return 0; }
898 log check_ldflags "$@"
899 test_ldflags "$@" && add_ldflags "$@"
903 log test_stripflags "$@"
904 # call check_cc to get a fresh TMPO
906 int main(void) { return 0; }
908 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
912 log check_stripflags "$@"
913 test_stripflags "$@" && add_stripflags "$@"
917 log check_header "$@"
921 check_cpp "$@" <<EOF && enable_safe $header
932 check_ld "cc" "$@" <<EOF && enable $func
934 int main(void){ $func(); }
939 log check_mathfunc "$@"
943 test $narg = 2 && args="f, g" || args="f"
945 check_ld "cc" "$@" <<EOF && enable $func
947 float foo(float f, float g) { return $func($args); }
948 int main(void){ return (int) foo; }
952 check_func_headers(){
953 log check_func_headers "$@"
958 for hdr in $headers; do
959 echo "#include <$hdr>"
961 for func in $funcs; do
962 echo "long check_$func(void) { return (long) $func; }"
964 echo "int main(void) { return 0; }"
965 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
968 check_class_headers_cpp(){
969 log check_class_headers_cpp "$@"
974 for hdr in $headers; do
975 echo "#include <$hdr>"
977 echo "int main(void) { "
979 for class in $classes; do
984 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
987 check_cpp_condition(){
988 log check_cpp_condition "$@"
995 #error "unsatisfied condition: $condition"
1005 check_header $header && check_func $func "$@" && add_extralibs "$@"
1013 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1017 log check_lib_cpp "$@"
1021 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1025 log check_pkg_config "$@"
1030 check_cmd $pkg_config --exists --print-errors $pkg || return
1031 pkg_cflags=$($pkg_config --cflags $pkg)
1032 pkg_libs=$($pkg_config --libs $pkg)
1033 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1034 set_safe ${pkg}_cflags $pkg_cflags &&
1035 set_safe ${pkg}_libs $pkg_libs
1039 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1045 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1046 # are safe but may not be available everywhere. Thus we use
1047 # raise(SIGTERM) instead. The check is run in a subshell so we
1048 # can redirect the "Terminated" message from the shell. SIGBUS
1049 # is not defined by standard C so it is used conditionally.
1051 (check_exec "$@") >> $logfile 2>&1 <<EOF
1053 static void sighandler(int sig){
1059 int (*func_ptr)(void) = foo;
1061 signal(SIGILL, sighandler);
1062 signal(SIGFPE, sighandler);
1063 signal(SIGSEGV, sighandler);
1065 signal(SIGBUS, sighandler);
1077 disable_safe "$type"
1078 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1082 log check_struct "$@"
1087 disable_safe "${struct}_${member}"
1088 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1089 enable_safe "${struct}_${member}"
1093 log check_builtin "$@"
1099 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1107 check_lib $header $func "$@" || die "ERROR: $name not found"
1115 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1123 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1126 require_pkg_config(){
1128 check_pkg_config "$@" || die "ERROR: $pkg not found"
1129 add_cflags $(get_safe ${pkg}_cflags)
1130 add_extralibs $(get_safe ${pkg}_libs)
1133 require_libfreetype(){
1134 log require_libfreetype "$@"
1136 check_cmd $pkg_config --exists --print-errors $pkg \
1137 || die "ERROR: $pkg not found"
1138 pkg_cflags=$($pkg_config --cflags $pkg)
1139 pkg_libs=$($pkg_config --libs $pkg)
1141 echo "#include <ft2build.h>"
1142 echo "#include FT_FREETYPE_H"
1143 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1144 echo "int main(void) { return 0; }"
1145 } | check_ld "cc" $pkg_cflags $pkg_libs \
1146 && set_safe ${pkg}_cflags $pkg_cflags \
1147 && set_safe ${pkg}_libs $pkg_libs \
1148 || die "ERROR: $pkg not found"
1149 add_cflags $(get_safe ${pkg}_cflags)
1150 add_extralibs $(get_safe ${pkg}_libs)
1154 eval printf '%s\\n' $HOSTCC_E
1158 eval printf '%s\\n' $HOSTCC_O
1162 log check_host_cc "$@"
1165 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1169 log check_host_cpp "$@"
1172 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1175 check_host_cppflags(){
1176 log check_host_cppflags "$@"
1177 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1182 check_host_cflags(){
1183 log check_host_cflags "$@"
1184 set -- $($host_cflags_filter "$@")
1185 check_host_cc "$@" <<EOF && append host_cflags "$@"
1190 check_host_cpp_condition(){
1191 log check_host_cpp_condition "$@"
1195 check_host_cpp "$@" <<EOF
1198 #error "unsatisfied condition: $condition"
1206 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1210 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1211 mkdir -p "$(dirname $2)"
1215 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1216 # system-dependent things.
1233 decoding_encoding_example
1234 demuxing_decoding_example
1235 filtering_audio_example
1236 filtering_video_example
1239 resampling_audio_example
1240 scaling_video_example
1241 transcode_aac_example
1244 EXTERNAL_LIBRARY_LIST="
1347 $EXTERNAL_LIBRARY_LIST
1360 incompatible_libav_abi
1361 incompatible_fork_abi
1373 safe_bitstream_reader
1470 incompatible_libav_abi
1471 incompatible_fork_abi
1504 $(add_suffix _external $ARCH_EXT_LIST)
1505 $(add_suffix _inline $ARCH_EXT_LIST)
1525 cdio_paranoia_paranoia_h
1533 dev_bktr_ioctl_bt848_h
1534 dev_bktr_ioctl_meteor_h
1536 dev_video_bktr_ioctl_bt848_h
1537 dev_video_meteor_ioctl_meteor_h
1553 GetProcessAffinityMask
1554 GetProcessMemoryInfo
1556 GetSystemTimeAsFileTime
1569 jack_port_get_latency_range
1580 machine_ioctl_bt848_h
1581 machine_ioctl_meteor_h
1593 openjpeg_1_5_openjpeg_h
1606 SetConsoleTextAttribute
1615 struct_group_source_req
1616 struct_ip_mreq_source
1619 struct_rusage_ru_maxrss
1620 struct_sctp_event_subscribe
1622 struct_sockaddr_sa_len
1623 struct_sockaddr_storage
1624 struct_stat_st_mtim_tv_nsec
1625 struct_v4l2_frmivalenum_discrete
1628 sync_val_compare_and_swap
1654 # options emitted with CONFIG_ prefix but not available on the command line
1661 frame_thread_encoder
1764 # code dependency declarations
1766 # architecture extensions
1775 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1778 mips32r2_deps="mips"
1779 mipsdspr1_deps="mips"
1780 mipsdspr2_deps="mips"
1788 x86_64_select="i686"
1789 x86_64_suggest="fast_cmov"
1792 amd3dnowext_deps="amd3dnow"
1805 mmx_external_deps="yasm"
1806 mmx_inline_deps="inline_asm"
1807 mmx_suggest="mmx_external mmx_inline"
1809 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1810 eval dep=\$${ext}_deps
1811 eval ${ext}_external_deps='"${dep}_external"'
1812 eval ${ext}_inline_deps='"${dep}_inline"'
1813 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1816 aligned_stack_if_any="ppc x86"
1817 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1818 fast_clz_if_any="alpha avr32 mips ppc x86"
1819 fast_unaligned_if_any="ppc x86"
1821 need_memalign="altivec neon sse"
1823 # system capabilities
1824 log2_deps="!libc_msvcrt"
1826 symver_if_any="symver_asm_label symver_gnu_asm"
1829 atomics_gcc_if="sync_val_compare_and_swap"
1830 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1831 atomics_win32_if="MemoryBarrier"
1832 atomics_native_if_any="$ATOMICS_LIST"
1833 threads_if_any="$THREADS_LIST"
1837 error_resilience_select="dsputil"
1838 frame_thread_encoder_deps="encoders threads"
1839 lpc_select="dsputil"
1842 mpegaudio_select="mpegaudiodsp"
1843 mpegaudiodsp_select="dct"
1844 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1845 mpegvideoenc_select="mpegvideo"
1847 # decoders / encoders
1848 aac_decoder_select="mdct sinewin"
1849 aac_encoder_select="audio_frame_queue mdct sinewin"
1850 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1851 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1852 ac3_encoder_select="mdct ac3dsp dsputil"
1853 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1854 aic_decoder_select="dsputil golomb"
1855 alac_encoder_select="lpc"
1856 als_decoder_select="dsputil"
1857 amrnb_decoder_select="lsp"
1858 amrwb_decoder_select="lsp"
1859 amv_decoder_select="dsputil hpeldsp exif"
1860 amv_encoder_select="aandcttables"
1861 ape_decoder_select="dsputil"
1862 asv1_decoder_select="dsputil"
1863 asv1_encoder_select="dsputil"
1864 asv2_decoder_select="dsputil"
1865 asv2_encoder_select="dsputil"
1866 atrac1_decoder_select="mdct sinewin"
1867 atrac3_decoder_select="mdct"
1868 atrac3p_decoder_select="mdct sinewin"
1869 avrn_decoder_select="exif"
1870 bink_decoder_select="dsputil hpeldsp"
1871 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1872 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1873 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1874 cllc_decoder_select="dsputil"
1875 comfortnoise_encoder_select="lpc"
1876 cook_decoder_select="dsputil mdct sinewin"
1877 cscd_decoder_select="lzo"
1878 cscd_decoder_suggest="zlib"
1879 dca_decoder_select="mdct"
1880 dirac_decoder_select="dsputil dwt golomb videodsp"
1881 dnxhd_decoder_select="dsputil"
1882 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1883 dvvideo_decoder_select="dsputil"
1884 dvvideo_encoder_select="dsputil"
1885 dxa_decoder_select="zlib"
1886 eac3_decoder_select="ac3_decoder"
1887 eac3_encoder_select="ac3_encoder"
1888 eamad_decoder_select="aandcttables dsputil mpegvideo"
1889 eatgq_decoder_select="aandcttables"
1890 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1891 exr_decoder_select="zlib"
1892 ffv1_decoder_select="dsputil golomb rangecoder"
1893 ffv1_encoder_select="dsputil rangecoder"
1894 ffvhuff_decoder_select="dsputil"
1895 ffvhuff_encoder_select="dsputil huffman"
1896 flac_decoder_select="golomb"
1897 flac_encoder_select="dsputil golomb lpc"
1898 flashsv_decoder_select="zlib"
1899 flashsv_encoder_select="zlib"
1900 flashsv2_encoder_select="zlib"
1901 flashsv2_decoder_select="zlib"
1902 flv_decoder_select="h263_decoder"
1903 flv_encoder_select="h263_encoder"
1904 fourxm_decoder_select="dsputil"
1905 fraps_decoder_select="dsputil huffman"
1906 g2m_decoder_select="dsputil zlib"
1907 g729_decoder_select="dsputil"
1908 h261_decoder_select="error_resilience mpegvideo"
1909 h261_encoder_select="aandcttables mpegvideoenc"
1910 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1911 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1912 h263i_decoder_select="h263_decoder"
1913 h263p_encoder_select="h263_encoder"
1914 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1915 h264_decoder_suggest="error_resilience"
1916 hevc_decoder_select="dsputil golomb videodsp"
1917 huffyuv_decoder_select="dsputil"
1918 huffyuv_encoder_select="dsputil huffman"
1919 iac_decoder_select="dsputil fft mdct sinewin"
1920 imc_decoder_select="dsputil fft mdct sinewin"
1921 indeo3_decoder_select="hpeldsp"
1922 interplay_video_decoder_select="hpeldsp"
1923 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1924 jpegls_encoder_select="golomb"
1925 jv_decoder_select="dsputil"
1926 lagarith_decoder_select="dsputil"
1927 ljpeg_encoder_select="aandcttables mpegvideoenc"
1928 loco_decoder_select="golomb"
1929 mdec_decoder_select="dsputil error_resilience mpegvideo"
1930 metasound_decoder_select="lsp mdct sinewin"
1931 mimic_decoder_select="dsputil hpeldsp"
1932 mjpeg_decoder_select="dsputil hpeldsp exif"
1933 mjpegb_decoder_select="dsputil hpeldsp exif"
1934 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1935 mlp_decoder_select="dsputil mlp_parser"
1936 motionpixels_decoder_select="dsputil"
1937 mp1_decoder_select="mpegaudio"
1938 mp1float_decoder_select="mpegaudio"
1939 mp2_decoder_select="mpegaudio"
1940 mp2float_decoder_select="mpegaudio"
1941 mp3_decoder_select="mpegaudio"
1942 mp3adu_decoder_select="mpegaudio"
1943 mp3adufloat_decoder_select="mpegaudio"
1944 mp3float_decoder_select="mpegaudio"
1945 mp3on4_decoder_select="mpegaudio"
1946 mp3on4float_decoder_select="mpegaudio"
1947 mpc7_decoder_select="dsputil mpegaudiodsp"
1948 mpc8_decoder_select="dsputil mpegaudiodsp"
1949 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1950 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1951 mpeg1video_decoder_select="error_resilience mpegvideo"
1952 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1953 mpeg2video_decoder_select="error_resilience mpegvideo"
1954 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1955 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1956 mpeg4_encoder_select="h263_encoder"
1957 msmpeg4v1_decoder_select="h263_decoder"
1958 msmpeg4v2_decoder_select="h263_decoder"
1959 msmpeg4v2_encoder_select="h263_encoder"
1960 msmpeg4v3_decoder_select="h263_decoder"
1961 msmpeg4v3_encoder_select="h263_encoder"
1962 mss2_decoder_select="error_resilience vc1_decoder"
1963 mxpeg_decoder_select="dsputil hpeldsp exif"
1964 nellymoser_decoder_select="mdct sinewin"
1965 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1966 nuv_decoder_select="dsputil lzo"
1967 png_decoder_select="zlib"
1968 png_encoder_select="dsputil zlib"
1969 prores_decoder_select="dsputil"
1970 prores_encoder_select="dsputil"
1971 qcelp_decoder_select="lsp"
1972 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1973 ra_144_encoder_select="audio_frame_queue lpc"
1974 ralf_decoder_select="golomb"
1975 rtjpeg_decoder_select="dsputil"
1976 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1977 rv10_encoder_select="h263_encoder"
1978 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1979 rv20_encoder_select="h263_encoder"
1980 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1981 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1982 shorten_decoder_select="golomb"
1983 sipr_decoder_select="lsp"
1984 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1985 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1986 sonic_decoder_select="golomb"
1987 sonic_encoder_select="golomb"
1988 sonic_ls_encoder_select="golomb"
1989 sp5x_decoder_select="dsputil hpeldsp exif"
1990 svq1_decoder_select="hpeldsp"
1991 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1992 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1993 svq3_decoder_suggest="error_resilience zlib"
1994 tak_decoder_select="dsputil"
1995 theora_decoder_select="vp3_decoder"
1996 tiff_decoder_suggest="zlib"
1997 tiff_encoder_suggest="zlib"
1998 thp_decoder_select="dsputil hpeldsp exif"
1999 truehd_decoder_select="mlp_parser"
2000 truemotion2_decoder_select="dsputil"
2001 truespeech_decoder_select="dsputil"
2002 tscc_decoder_select="zlib"
2003 twinvq_decoder_select="mdct lsp sinewin"
2004 utvideo_decoder_select="dsputil"
2005 utvideo_encoder_select="dsputil huffman"
2006 vble_decoder_select="dsputil"
2007 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
2008 vc1image_decoder_select="vc1_decoder"
2009 vorbis_decoder_select="mdct"
2010 vorbis_encoder_select="mdct"
2011 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2012 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2013 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2014 vp6a_decoder_select="vp6_decoder"
2015 vp6f_decoder_select="vp6_decoder"
2016 vp8_decoder_select="h264pred videodsp"
2017 vp9_decoder_select="videodsp"
2018 webp_decoder_select="vp8_decoder"
2019 wmapro_decoder_select="mdct sinewin"
2020 wmav1_decoder_select="mdct sinewin"
2021 wmav1_encoder_select="mdct sinewin"
2022 wmav2_decoder_select="mdct sinewin"
2023 wmav2_encoder_select="mdct sinewin"
2024 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2025 wmv1_decoder_select="h263_decoder"
2026 wmv1_encoder_select="h263_encoder"
2027 wmv2_decoder_select="h263_decoder videodsp"
2028 wmv2_encoder_select="h263_encoder"
2029 wmv3_decoder_select="vc1_decoder"
2030 wmv3image_decoder_select="wmv3_decoder"
2031 zerocodec_decoder_select="zlib"
2032 zlib_decoder_select="zlib"
2033 zlib_encoder_select="zlib"
2034 zmbv_decoder_select="zlib"
2035 zmbv_encoder_select="zlib"
2037 # hardware accelerators
2038 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2039 dxva2_deps="dxva2api_h"
2040 vaapi_deps="va_va_h"
2041 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2042 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2043 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2044 xvmc_deps="X11_extensions_XvMClib_h"
2046 h263_vaapi_hwaccel_deps="vaapi"
2047 h263_vaapi_hwaccel_select="h263_decoder"
2048 h263_vdpau_hwaccel_deps="vdpau"
2049 h263_vdpau_hwaccel_select="h263_decoder"
2050 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2051 h264_dxva2_hwaccel_deps="dxva2"
2052 h264_dxva2_hwaccel_select="h264_decoder"
2053 h264_vaapi_hwaccel_deps="vaapi"
2054 h264_vaapi_hwaccel_select="h264_decoder"
2055 h264_vda_decoder_deps="vda"
2056 h264_vda_decoder_select="h264_decoder"
2057 h264_vda_hwaccel_deps="vda"
2058 h264_vda_hwaccel_select="h264_decoder"
2059 h264_vdpau_decoder_deps="vdpau"
2060 h264_vdpau_decoder_select="h264_decoder"
2061 h264_vdpau_hwaccel_deps="vdpau"
2062 h264_vdpau_hwaccel_select="h264_decoder"
2063 mpeg_vdpau_decoder_deps="vdpau"
2064 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2065 mpeg_xvmc_hwaccel_deps="xvmc"
2066 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2067 mpeg1_vdpau_decoder_deps="vdpau"
2068 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2069 mpeg1_vdpau_hwaccel_deps="vdpau"
2070 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2071 mpeg1_xvmc_hwaccel_deps="xvmc"
2072 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2073 mpeg2_crystalhd_decoder_select="crystalhd"
2074 mpeg2_dxva2_hwaccel_deps="dxva2"
2075 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2076 mpeg2_vaapi_hwaccel_deps="vaapi"
2077 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2078 mpeg2_vdpau_hwaccel_deps="vdpau"
2079 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2080 mpeg2_xvmc_hwaccel_deps="xvmc"
2081 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2082 mpeg4_crystalhd_decoder_select="crystalhd"
2083 mpeg4_vaapi_hwaccel_deps="vaapi"
2084 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2085 mpeg4_vdpau_decoder_deps="vdpau"
2086 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2087 mpeg4_vdpau_hwaccel_deps="vdpau"
2088 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2089 msmpeg4_crystalhd_decoder_select="crystalhd"
2090 vc1_crystalhd_decoder_select="crystalhd"
2091 vc1_dxva2_hwaccel_deps="dxva2"
2092 vc1_dxva2_hwaccel_select="vc1_decoder"
2093 vc1_vaapi_hwaccel_deps="vaapi"
2094 vc1_vaapi_hwaccel_select="vc1_decoder"
2095 vc1_vdpau_decoder_deps="vdpau"
2096 vc1_vdpau_decoder_select="vc1_decoder"
2097 vc1_vdpau_hwaccel_deps="vdpau"
2098 vc1_vdpau_hwaccel_select="vc1_decoder"
2099 wmv3_crystalhd_decoder_select="crystalhd"
2100 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2101 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2102 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2103 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2106 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2107 hevc_parser_select="hevc_decoder"
2108 mpeg4video_parser_select="error_resilience mpegvideo"
2109 mpegvideo_parser_select="error_resilience mpegvideo"
2110 vc1_parser_select="mpegvideo"
2112 # external libraries
2113 libaacplus_encoder_deps="libaacplus"
2114 libcelt_decoder_deps="libcelt"
2115 libfaac_encoder_deps="libfaac"
2116 libfaac_encoder_select="audio_frame_queue"
2117 libfdk_aac_decoder_deps="libfdk_aac"
2118 libfdk_aac_encoder_deps="libfdk_aac"
2119 libfdk_aac_encoder_select="audio_frame_queue"
2120 libgme_demuxer_deps="libgme"
2121 libgsm_decoder_deps="libgsm"
2122 libgsm_encoder_deps="libgsm"
2123 libgsm_ms_decoder_deps="libgsm"
2124 libgsm_ms_encoder_deps="libgsm"
2125 libilbc_decoder_deps="libilbc"
2126 libilbc_encoder_deps="libilbc"
2127 libmodplug_demuxer_deps="libmodplug"
2128 libmp3lame_encoder_deps="libmp3lame"
2129 libmp3lame_encoder_select="audio_frame_queue"
2130 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2131 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2132 libopencore_amrnb_encoder_select="audio_frame_queue"
2133 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2134 libopenjpeg_decoder_deps="libopenjpeg"
2135 libopenjpeg_encoder_deps="libopenjpeg"
2136 libopus_decoder_deps="libopus"
2137 libopus_encoder_deps="libopus"
2138 libopus_encoder_select="audio_frame_queue"
2139 libquvi_demuxer_deps="libquvi"
2140 libschroedinger_decoder_deps="libschroedinger"
2141 libschroedinger_encoder_deps="libschroedinger"
2142 libshine_encoder_deps="libshine"
2143 libshine_encoder_select="audio_frame_queue"
2144 libspeex_decoder_deps="libspeex"
2145 libspeex_encoder_deps="libspeex"
2146 libspeex_encoder_select="audio_frame_queue"
2147 libstagefright_h264_decoder_deps="libstagefright_h264"
2148 libtheora_encoder_deps="libtheora"
2149 libtwolame_encoder_deps="libtwolame"
2150 libvo_aacenc_encoder_deps="libvo_aacenc"
2151 libvo_aacenc_encoder_select="audio_frame_queue"
2152 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2153 libvorbis_decoder_deps="libvorbis"
2154 libvorbis_encoder_deps="libvorbis"
2155 libvorbis_encoder_select="audio_frame_queue"
2156 libvpx_vp8_decoder_deps="libvpx"
2157 libvpx_vp8_encoder_deps="libvpx"
2158 libvpx_vp9_decoder_deps="libvpx"
2159 libvpx_vp9_encoder_deps="libvpx"
2160 libwavpack_encoder_deps="libwavpack"
2161 libwebp_encoder_deps="libwebp"
2162 libx264_encoder_deps="libx264"
2163 libx264rgb_encoder_deps="libx264"
2164 libxavs_encoder_deps="libxavs"
2165 libxvid_encoder_deps="libxvid"
2166 libutvideo_decoder_deps="libutvideo"
2167 libutvideo_encoder_deps="libutvideo"
2168 libzvbi_teletext_decoder_deps="libzvbi"
2171 ac3_demuxer_select="ac3_parser"
2172 asf_demuxer_select="riffdec"
2173 asf_muxer_select="riffenc"
2174 asf_stream_muxer_select="asf_muxer"
2175 avi_demuxer_select="riffdec"
2176 avi_muxer_select="riffenc"
2177 avisynth_demuxer_deps="avisynth"
2178 avisynth_demuxer_select="riffdec"
2179 caf_demuxer_select="riffdec"
2180 dirac_demuxer_select="dirac_parser"
2181 dts_demuxer_select="dca_parser"
2182 dtshd_demuxer_select="dca_parser"
2183 dxa_demuxer_select="riffdec"
2184 eac3_demuxer_select="ac3_parser"
2185 f4v_muxer_select="mov_muxer"
2186 flac_demuxer_select="flac_parser"
2187 hds_muxer_select="flv_muxer"
2188 hls_muxer_select="mpegts_muxer"
2189 ipod_muxer_select="mov_muxer"
2190 ismv_muxer_select="mov_muxer"
2191 libnut_demuxer_deps="libnut"
2192 libnut_muxer_deps="libnut"
2193 matroska_audio_muxer_select="matroska_muxer"
2194 matroska_demuxer_select="riffdec"
2195 matroska_demuxer_suggest="bzlib lzo zlib"
2196 matroska_muxer_select="riffenc"
2197 mmf_muxer_select="riffenc"
2198 mov_demuxer_select="riffdec"
2199 mov_demuxer_suggest="zlib"
2200 mov_muxer_select="riffenc rtpenc_chain"
2201 mp3_demuxer_select="mpegaudio_parser"
2202 mp4_muxer_select="mov_muxer"
2203 mpegts_muxer_select="adts_muxer latm_muxer"
2204 mpegtsraw_demuxer_select="mpegts_demuxer"
2205 mxf_d10_muxer_select="mxf_muxer"
2206 nut_muxer_select="riffenc"
2207 nuv_demuxer_select="riffdec"
2208 ogg_demuxer_select="golomb"
2209 psp_muxer_select="mov_muxer"
2210 rtp_demuxer_select="sdp_demuxer"
2211 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2212 rtsp_demuxer_select="http_protocol rtpdec"
2213 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2214 sap_demuxer_select="sdp_demuxer"
2215 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2216 sdp_demuxer_select="rtpdec"
2217 smoothstreaming_muxer_select="ismv_muxer"
2218 spdif_muxer_select="aac_parser"
2219 tak_demuxer_select="tak_parser"
2220 tg2_muxer_select="mov_muxer"
2221 tgp_muxer_select="mov_muxer"
2222 vobsub_demuxer_select="mpegps_demuxer"
2223 w64_demuxer_select="wav_demuxer"
2224 w64_muxer_select="wav_muxer"
2225 wav_demuxer_select="riffdec"
2226 wav_muxer_select="riffenc"
2227 webm_muxer_select="riffenc"
2228 wtv_demuxer_select="riffdec"
2229 xmv_demuxer_select="riffdec"
2230 xwma_demuxer_select="riffdec"
2233 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2234 alsa_outdev_deps="alsa_asoundlib_h"
2235 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2236 caca_outdev_deps="libcaca"
2237 dshow_indev_deps="IBaseFilter"
2238 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2239 dv1394_indev_deps="dv1394"
2240 dv1394_indev_select="dv_demuxer"
2241 fbdev_indev_deps="linux_fb_h"
2242 fbdev_outdev_deps="linux_fb_h"
2243 iec61883_indev_deps="libiec61883"
2244 jack_indev_deps="jack_jack_h sem_timedwait"
2245 lavfi_indev_deps="avfilter"
2246 libcdio_indev_deps="libcdio"
2247 libdc1394_indev_deps="libdc1394"
2248 libv4l2_indev_deps="libv4l2"
2249 openal_indev_deps="openal"
2250 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2251 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2252 pulse_indev_deps="libpulse"
2253 pulse_outdev_deps="libpulse"
2254 sdl_outdev_deps="sdl"
2255 sndio_indev_deps="sndio_h"
2256 sndio_outdev_deps="sndio_h"
2257 v4l_indev_deps="linux_videodev_h"
2258 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2259 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2260 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2261 vfwcap_indev_extralibs="-lavicap32"
2262 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2263 xv_outdev_extralibs="-lXv -lX11 -lXext"
2264 x11grab_indev_deps="x11grab"
2267 bluray_protocol_deps="libbluray"
2268 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2269 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2270 ffrtmpcrypt_protocol_select="tcp_protocol"
2271 ffrtmphttp_protocol_deps="!librtmp_protocol"
2272 ffrtmphttp_protocol_select="http_protocol"
2273 ftp_protocol_select="tcp_protocol"
2274 gopher_protocol_select="network"
2275 httpproxy_protocol_select="tcp_protocol"
2276 http_protocol_select="tcp_protocol"
2277 https_protocol_select="tls_protocol"
2278 librtmp_protocol_deps="librtmp"
2279 librtmpe_protocol_deps="librtmp"
2280 librtmps_protocol_deps="librtmp"
2281 librtmpt_protocol_deps="librtmp"
2282 librtmpte_protocol_deps="librtmp"
2283 libssh_protocol_deps="libssh"
2284 mmsh_protocol_select="http_protocol"
2285 mmst_protocol_select="network"
2286 rtmp_protocol_deps="!librtmp_protocol"
2287 rtmp_protocol_select="tcp_protocol"
2288 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2289 rtmps_protocol_deps="!librtmp_protocol"
2290 rtmps_protocol_select="tls_protocol"
2291 rtmpt_protocol_select="ffrtmphttp_protocol"
2292 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2293 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2294 rtp_protocol_select="udp_protocol"
2295 sctp_protocol_deps="struct_sctp_event_subscribe"
2296 sctp_protocol_select="network"
2297 srtp_protocol_select="rtp_protocol"
2298 tcp_protocol_select="network"
2299 tls_protocol_deps_any="openssl gnutls"
2300 tls_protocol_select="tcp_protocol"
2301 udp_protocol_select="network"
2302 unix_protocol_deps="sys_un_h"
2303 unix_protocol_select="network"
2306 aconvert_filter_deps="swresample"
2307 amovie_filter_deps="avcodec avformat"
2308 aresample_filter_deps="swresample"
2309 ass_filter_deps="libass"
2310 asyncts_filter_deps="avresample"
2311 atempo_filter_deps="avcodec"
2312 atempo_filter_select="rdft"
2313 azmq_filter_deps="libzmq"
2314 blackframe_filter_deps="gpl"
2315 boxblur_filter_deps="gpl"
2316 colormatrix_filter_deps="gpl"
2317 cropdetect_filter_deps="gpl"
2318 dctdnoiz_filter_deps="avcodec"
2319 dctdnoiz_filter_select="fft"
2320 delogo_filter_deps="gpl"
2321 deshake_filter_deps="avcodec"
2322 deshake_filter_select="dsputil"
2323 drawtext_filter_deps="libfreetype"
2324 ebur128_filter_deps="gpl"
2325 flite_filter_deps="libflite"
2326 frei0r_filter_deps="frei0r dlopen"
2327 frei0r_filter_extralibs='$ldl'
2328 frei0r_src_filter_deps="frei0r dlopen"
2329 frei0r_src_filter_extralibs='$ldl'
2330 geq_filter_deps="gpl"
2331 histeq_filter_deps="gpl"
2332 hqdn3d_filter_deps="gpl"
2333 interlace_filter_deps="gpl"
2334 kerndeint_filter_deps="gpl"
2335 ladspa_filter_deps="ladspa dlopen"
2336 mcdeint_filter_deps="avcodec gpl"
2337 movie_filter_deps="avcodec avformat"
2338 mp_filter_deps="gpl avcodec swscale inline_asm"
2339 mpdecimate_filter_deps="gpl avcodec"
2340 mptestsrc_filter_deps="gpl"
2341 negate_filter_deps="lut_filter"
2342 perspective_filter_deps="gpl"
2343 resample_filter_deps="avresample"
2344 ocv_filter_deps="libopencv"
2345 owdenoise_filter_deps="gpl"
2346 pan_filter_deps="swresample"
2347 phase_filter_deps="gpl"
2348 pp_filter_deps="gpl postproc"
2349 pullup_filter_deps="gpl"
2350 removelogo_filter_deps="avcodec avformat swscale"
2351 sab_filter_deps="gpl swscale"
2352 scale_filter_deps="swscale"
2353 smartblur_filter_deps="gpl swscale"
2354 showspectrum_filter_deps="avcodec"
2355 showspectrum_filter_select="rdft"
2356 spp_filter_deps="gpl avcodec"
2357 spp_filter_select="fft"
2358 stereo3d_filter_deps="gpl"
2359 subtitles_filter_deps="avformat avcodec libass"
2360 super2xsai_filter_deps="gpl"
2361 tinterlace_filter_deps="gpl"
2362 vidstabdetect_filter_deps="libvidstab"
2363 vidstabtransform_filter_deps="libvidstab"
2364 yadif_filter_deps="gpl"
2365 pixfmts_super2xsai_test_deps="super2xsai_filter"
2366 tinterlace_merge_test_deps="tinterlace_filter"
2367 tinterlace_pad_test_deps="tinterlace_filter"
2368 zmq_filter_deps="libzmq"
2371 decoding_encoding_example_deps="avcodec avutil"
2372 demuxing_decoding_example_deps="avcodec avformat avutil"
2373 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2374 filtering_video_example_deps="avfilter avcodec avformat avutil"
2375 metadata_example_deps="avformat avutil"
2376 muxing_example_deps="avcodec avformat avutil swscale"
2377 resampling_audio_example_deps="avutil swresample"
2378 scaling_video_example_deps="avutil swscale"
2379 transcode_aac_example_deps="avcodec avformat swresample"
2382 avcodec_deps="avutil"
2383 avdevice_deps="avutil avcodec avformat"
2384 avfilter_deps="avutil"
2385 avformat_deps="avutil avcodec"
2386 avresample_deps="avutil"
2387 postproc_deps="avutil gpl"
2388 swscale_deps="avutil"
2391 ffmpeg_deps="avcodec avfilter avformat swresample"
2392 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2394 setpts_filter trim_filter"
2395 ffplay_deps="avcodec avformat swscale swresample sdl"
2396 ffplay_select="rdft crop_filter"
2397 ffprobe_deps="avcodec avformat"
2398 ffserver_deps="avformat fork sarestart"
2399 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2400 ffserver_extralibs='$ldl'
2403 podpages_deps="perl"
2404 manpages_deps="perl pod2man"
2405 htmlpages_deps="perl texi2html"
2406 txtpages_deps="perl makeinfo"
2407 doc_deps_any="manpages htmlpages podpages txtpages"
2409 # default parameters
2411 logfile="config.log"
2413 # installation paths
2414 prefix_default="/usr/local"
2415 bindir_default='${prefix}/bin'
2416 datadir_default='${prefix}/share/ffmpeg'
2417 docdir_default='${prefix}/share/doc/ffmpeg'
2418 incdir_default='${prefix}/include'
2419 libdir_default='${prefix}/lib'
2420 mandir_default='${prefix}/share/man'
2421 shlibdir_default="$libdir_default"
2427 host_cc_default="gcc"
2433 pkg_config_default=pkg-config
2435 strip_default="strip"
2436 yasmexe_default="yasm"
2437 windres_default="windres"
2442 arch_default=$(uname -m)
2446 target_os_default=$(tolower $(uname -s))
2447 host_os=$target_os_default
2449 # configurable options
2450 enable $PROGRAM_LIST
2451 enable $DOCUMENT_LIST
2452 enable $EXAMPLE_LIST
2453 enable $(filter_out avresample $LIBRARY_LIST)
2459 enable optimizations
2460 enable runtime_cpudetect
2461 enable safe_bitstream_reader
2463 enable swscale_alpha
2465 # Enable hwaccels by default.
2466 enable dxva2 vaapi vdpau xvmc
2469 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2472 FULLNAME='$(NAME)$(BUILDSUF)'
2473 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2476 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2477 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2478 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2479 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2480 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2481 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2503 host_cppflags='-D_ISOC99_SOURCE'
2505 host_cflags_filter=echo
2506 host_ldflags_filter=echo
2508 target_path='$(CURDIR)'
2510 # since the object filename is not given with the -MM flag, the compiler
2511 # is only able to print the basename, and we must add the path ourselves
2512 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2516 if test -f configure; then
2519 source_path=$(cd $(dirname "$0"); pwd)
2520 echo "$source_path" | grep -q '[[:blank:]]' &&
2521 die "Out of tree builds are impossible with whitespace in source path."
2522 test -e "$source_path/config.h" &&
2523 die "Out of tree builds are impossible with config.h in source dir."
2530 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2536 file=$source_path/$3
2537 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2540 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2541 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2542 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2543 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2544 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2545 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2546 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2547 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2548 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2549 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2550 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2566 for n in $COMPONENT_LIST; do
2567 v=$(toupper ${n%s})_LIST
2569 eval ${n}_if_any="\$$v"
2572 enable $ARCH_EXT_LIST
2575 echo "Unknown option \"$1\"."
2576 echo "See $0 --help for available options."
2581 cat | tr ' ' '\n' | sort | pr -r -3 -t
2587 echo $* | sed s/$suffix//g | print_3_columns
2599 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2600 echo "prob ${prob:-0.5}"
2608 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2609 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2619 add_extralibs $optval
2622 disable $INDEV_LIST $OUTDEV_LIST
2625 debuglevel="$optval"
2628 disable $PROGRAM_LIST
2630 --disable-everything)
2631 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2634 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2635 disable $LIBRARY_LIST $PROGRAM_LIST doc
2637 --enable-random|--disable-random)
2638 action=${opt%%-random}
2639 do_random ${action#--} $COMPONENT_LIST
2641 --enable-random=*|--disable-random=*)
2642 action=${opt%%-random=*}
2643 do_random ${action#--} $optval
2645 --enable-*=*|--disable-*=*)
2646 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2647 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2648 eval list=\$$(toupper $thing)_LIST
2649 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2650 list=$(filter "$name" $list)
2651 [ "$list" = "" ] && warn "Option $opt did not match anything"
2654 --enable-?*|--disable-?*)
2655 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2656 if is_in $option $COMPONENT_LIST; then
2657 test $action = disable && action=unset
2658 eval $action \$$(toupper ${option%s})_LIST
2659 elif is_in $option $CMDLINE_SELECT; then
2666 NAME="${opt#--list-}"
2667 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2669 eval show_list $NAME \$$(toupper $NAME)_LIST
2671 --help|-h) show_help
2673 --fatal-warnings) enable fatal_warnings
2676 optname="${opt%%=*}"
2677 optname="${optname#--}"
2678 optname=$(echo "$optname" | sed 's/-/_/g')
2679 if is_in $optname $CMDLINE_SET; then
2680 eval $optname='$optval'
2681 elif is_in $optname $CMDLINE_APPEND; then
2682 append $optname "$optval"
2690 disabled logging && logfile=/dev/null
2692 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2695 test -n "$cross_prefix" && enable cross_compile
2697 if enabled cross_compile; then
2698 test -n "$arch" && test -n "$target_os" ||
2699 die "Must specify target arch and OS when cross-compiling"
2702 ar_default="${cross_prefix}${ar_default}"
2703 cc_default="${cross_prefix}${cc_default}"
2704 cxx_default="${cross_prefix}${cxx_default}"
2705 nm_default="${cross_prefix}${nm_default}"
2706 pkg_config_default="${cross_prefix}${pkg_config_default}"
2707 ranlib="${cross_prefix}${ranlib}"
2708 strip_default="${cross_prefix}${strip_default}"
2709 windres_default="${cross_prefix}${windres_default}"
2711 sysinclude_default="${sysroot}/usr/include"
2713 test -n "$valgrind" && toolchain="valgrind-memcheck"
2715 case "$toolchain" in
2718 add_cflags -fsanitize=address
2719 add_ldflags -fsanitize=address
2723 add_cflags -fsanitize=thread -pie
2724 add_ldflags -fsanitize=thread -pie
2728 add_cflags -fsanitize=address
2729 add_ldflags -fsanitize=address
2733 add_cflags -fsanitize=thread -pie -fPIC
2734 add_ldflags -fsanitize=thread -pie -fPIC
2737 target_exec_default=${valgrind:-"valgrind"}
2738 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"
2741 target_exec_default=${valgrind:-"valgrind"}
2742 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2745 # Check whether the current MSVC version needs the C99 converter.
2746 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2747 # support enough of C99 to build ffmpeg. Default to the new
2748 # behaviour if the regexp was unable to match anything, since this
2749 # successfully parses the version number of existing supported
2750 # versions that require the converter (MSVC 2010 and 2012).
2751 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2752 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2755 cc_default="c99wrap cl"
2758 nm_default="dumpbin -symbols"
2760 target_os_default="win32"
2761 # Use a relative path for TMPDIR. This makes sure all the
2762 # ffconf temp files are written with a relative path, avoiding
2763 # issues with msys/win32 path conversion for MSVC parameters
2764 # such as -Fo<file> or -out:<file>.
2770 nm_default="dumpbin -symbols"
2772 target_os_default="win32"
2776 add_cflags -fprofile-arcs -ftest-coverage
2777 add_ldflags -fprofile-arcs -ftest-coverage
2780 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2781 add_ldflags -Wl,-z,relro -Wl,-z,now
2784 die "Unknown toolchain $toolchain"
2788 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2789 enabled cross_compile || host_cc_default=$cc
2792 if ! $pkg_config --version >/dev/null 2>&1; then
2793 warn "$pkg_config not found, library detection may fail."
2799 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2803 EXESUF=$(exesuf $target_os)
2804 HOSTEXESUF=$(exesuf $host_os)
2806 # set temporary file name
2807 : ${TMPDIR:=$TEMPDIR}
2811 if [ -n "$tempprefix" ] ; then
2813 echo $tempprefix.${HOSTNAME}.${UID}
2815 elif ! check_cmd mktemp -u XXXXXX; then
2816 # simple replacement for missing mktemp
2817 # NOT SAFE FOR GENERAL USE
2819 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2824 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2825 (set -C; exec > $tmp) 2>/dev/null ||
2826 die "Unable to create temporary file in $TMPDIR."
2827 append TMPFILES $tmp
2831 trap 'rm -f -- $TMPFILES' EXIT
2836 tmpfile TMPE $EXESUF
2847 # make sure we can execute files in $TMPDIR
2848 cat > $TMPSH 2>> $logfile <<EOF
2851 chmod +x $TMPSH >> $logfile 2>&1
2852 if ! $TMPSH >> $logfile 2>&1; then
2854 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2855 variable to another directory and make sure that it is not mounted noexec.
2857 die "Sanity test failed."
2863 -std=c99) echo -c99 ;;
2864 -mcpu=*) echo -arch ${flag#*=} ;;
2865 -mieee) echo -ieee ;;
2866 -O*|-fast) echo $flag ;;
2867 -fno-math-errno) echo -assume nomath_errno ;;
2869 -Wall) echo -msg_enable level2 ;;
2870 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2871 -Wl,*) echo $flag ;;
2881 -Wno-switch) echo -Wno-switch-enum ;;
2882 -Wno-format-zero-length) ;;
2883 -Wdisabled-optimization) ;;
2884 -Wno-pointer-sign) echo -Wno-other ;;
2890 msvc_common_flags(){
2893 # In addition to specifying certain flags under the compiler
2894 # specific filters, they must be specified here as well or else the
2895 # generic catch all at the bottom will print the original flag.
2899 -fomit-frame-pointer) ;;
2903 -fno-signed-zeros) ;;
2907 -lz) echo zlib.lib ;;
2908 -lavifil32) echo vfw32.lib ;;
2909 -lavicap32) echo vfw32.lib user32.lib ;;
2910 -l*) echo ${flag#-l}.lib ;;
2917 msvc_common_flags "$@"
2920 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2921 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2922 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2930 msvc_common_flags "$@"
2933 # Despite what Intel's documentation says -Wall, which is supported
2934 # on Windows, does enable remarks so disable them here.
2935 -Wall) echo $flag -Qdiag-disable:remark ;;
2936 -std=c99) echo -Qstd=c99 ;;
2944 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2945 -fomit-frame-pointer) echo -Mnoframe ;;
2956 case "${flag#*=}" in
2957 native) echo -xtarget=native ;;
2958 v9|niagara) echo -xarch=sparc ;;
2959 ultrasparc) echo -xarch=sparcvis ;;
2960 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2961 i586|pentium) echo -xchip=pentium ;;
2962 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2963 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2964 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2965 pentium4*) echo -xtarget=pentium4 ;;
2966 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2967 *-sse3) echo -xarch=sse3 ;;
2968 core2) echo -xarch=ssse3 -xchip=core2 ;;
2969 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2970 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2971 amdfam10|barcelona) echo -xtarget=barcelona ;;
2972 bdver*) echo -xarch=avx ;;
2973 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2974 k8|opteron|athlon64|athlon-fx)
2975 echo -xarch=sse2a ;;
2976 athlon*) echo -xarch=pentium_proa ;;
2979 -std=c99) echo -xc99 ;;
2980 -fomit-frame-pointer) echo -xregs=frameptr ;;
2981 -fPIC) echo -KPIC -xcode=pic32 ;;
2982 -W*,*) echo $flag ;;
2983 -f*-*|-W*|-mimpure-text) ;;
2994 case "${flag#*=}" in
2995 armv7-a|cortex-a*) echo -mv=7a8 ;;
2996 armv7-r|cortex-r*) echo -mv=7r4 ;;
2997 armv7-m|cortex-m*) echo -mv=7m3 ;;
2998 armv6*|arm11*) echo -mv=6 ;;
2999 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3001 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3004 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3005 -mfpu=vfp) echo --float_support=vfpv2 ;;
3006 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3007 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3008 -msoft-float) echo --float_support=vfplib ;;
3009 -O[0-3]|-mf=*) echo $flag ;;
3011 -pds=*) echo $flag ;;
3012 -D*|-I*) echo $flag ;;
3013 --gcc|--abi=*) echo $flag ;;
3023 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3024 unset _ld_o _ldflags _ld_lib _ld_path
3025 unset _depflags _DEPCMD _DEPFLAGS
3028 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3029 true # no-op to avoid reading stdin in following checks
3030 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3032 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3033 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3034 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3037 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3039 gcc_version=$($_cc --version | head -n1)
3040 gcc_basever=$($_cc -dumpversion)
3041 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3042 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3043 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3044 if ! $_cc -dumpversion | grep -q '^2\.'; then
3045 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3049 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3051 _ident=$($_cc --version | head -n1)
3056 elif $_cc -v 2>&1 | grep -q xlc; then
3058 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3060 _cflags_size='-O5 -qcompact'
3061 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3063 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3065 _cflags_speed='-fast'
3067 _flags_filter=ccc_flags
3068 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3069 test -d "$sysroot" || die "No valid sysroot specified."
3071 _ident=$($_cc --vsn | head -n1)
3072 armcc_conf="$PWD/armcc.conf"
3073 $_cc --arm_linux_configure \
3074 --arm_linux_config_file="$armcc_conf" \
3075 --configure_sysroot="$sysroot" \
3076 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3077 die "Error creating armcc configuration file."
3078 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3079 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3080 as_default="${cross_prefix}gcc"
3084 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3086 _ident=$($_cc -version | head -n1 | tr -s ' ')
3087 _flags='--gcc --abi=eabi -me'
3090 _depflags='-ppa -ppd=$(@:.o=.d)'
3091 _cflags_speed='-O3 -mf=5'
3092 _cflags_size='-O3 -mf=2'
3093 _flags_filter=tms470_flags
3094 elif $_cc -v 2>&1 | grep -q clang; then
3096 _ident=$($_cc --version | head -n1)
3100 elif $_cc -V 2>&1 | grep -q Sun; then
3102 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3103 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3104 _DEPFLAGS='-xM1 -xc99'
3107 _cflags_size='-O5 -xspace'
3108 _flags_filter=suncc_flags
3109 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3111 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3112 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3115 _flags_filter='filter_out -Wdisabled-optimization'
3116 elif $_cc -v 2>&1 | grep -q Open64; then
3118 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3119 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3122 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3123 elif $_cc -V 2>&1 | grep -q Portland; then
3125 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3126 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3127 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3128 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3130 _flags_filter=pgi_flags
3131 elif $_cc 2>&1 | grep -q Microsoft; then
3133 _ident=$($cc 2>&1 | head -n1)
3134 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3135 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3138 if $_cc 2>&1 | grep -q Linker; then
3145 _flags_filter=msvc_flags
3147 _ld_path='-libpath:'
3149 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3150 if [ $pfx = hostcc ]; then
3151 append _cflags -Dsnprintf=_snprintf
3154 elif $_cc 2>&1 | grep -q Intel; then
3156 _ident=$($cc 2>&1 | head -n1)
3157 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3158 # Not only is O3 broken on 13.x+ but it is slower on all previous
3159 # versions (tested) as well.
3161 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3162 if $_cc 2>&1 | grep -q Linker; then
3169 _flags_filter=icl_flags
3171 _ld_path='-libpath:'
3172 # -Qdiag-error to make icl error when seeing certain unknown arguments
3173 _flags='-nologo -Qdiag-error:4044,10157'
3174 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3175 # with MSVC which enables it by default.
3176 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3177 if [ $pfx = hostcc ]; then
3178 append _cflags -Dsnprintf=_snprintf
3180 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3182 _ident=$($_cc --version | head -n1)
3186 _flags_filter=cparser_flags
3189 eval ${pfx}_type=\$_type
3190 eval ${pfx}_ident=\$_ident
3194 eval ${1}_C=\${_cc_c-\${${1}_C}}
3195 eval ${1}_E=\${_cc_e-\${${1}_E}}
3196 eval ${1}_O=\${_cc_o-\${${1}_O}}
3198 if [ -n "$_depflags" ]; then
3199 eval ${1}_DEPFLAGS=\$_depflags
3201 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3202 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3203 eval DEP${1}FLAGS=\$_flags
3208 cflags_filter=$_flags_filter
3209 cflags_speed=$_cflags_speed
3210 cflags_size=$_cflags_size
3211 cflags_noopt=$_cflags_noopt
3212 add_cflags $_flags $_cflags
3213 cc_ldflags=$_ldflags
3216 probe_cc hostcc "$host_cc"
3217 host_cflags_filter=$_flags_filter
3218 add_host_cflags $_flags $_cflags
3221 test -n "$cc_type" && enable $cc_type ||
3222 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3224 : ${as_default:=$cc}
3225 : ${dep_cc_default:=$cc}
3226 : ${ld_default:=$cc}
3227 : ${host_ld_default:=$host_cc}
3228 set_default ar as dep_cc ld host_ld windres
3231 asflags_filter=$_flags_filter
3232 add_asflags $_flags $_cflags
3236 ldflags_filter=$_flags_filter
3237 add_ldflags $_flags $_ldflags
3238 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3240 LD_LIB=${_ld_lib-$LD_LIB}
3241 LD_PATH=${_ld_path-$LD_PATH}
3243 probe_cc hostld "$host_ld"
3244 host_ldflags_filter=$_flags_filter
3245 add_host_ldflags $_flags $_ldflags
3246 HOSTLD_O=${_ld_o-$HOSTLD_O}
3248 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3249 probe_cc depcc "$dep_cc"
3250 CCDEP=${_DEPCMD:-$DEPCMD}
3251 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3255 if $ar 2>&1 | grep -q Microsoft; then
3258 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3261 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3262 arflags='-Xany -r -c'
3269 add_cflags $extra_cflags
3270 add_cxxflags $extra_cxxflags
3271 add_asflags $extra_cflags
3273 if test -n "$sysroot"; then
3276 add_cppflags --sysroot="$sysroot"
3277 add_ldflags --sysroot="$sysroot"
3280 add_cppflags -I"$sysinclude"
3281 add_ldflags --sysroot="$sysroot"
3286 if test "$cpu" = host; then
3287 enabled cross_compile &&
3288 die "--cpu=host makes no sense when cross-compiling."
3293 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3295 s/.*$1=\\([^ ]*\\).*/\\1/
3300 cpu=$(check_native -march || check_native -mcpu)
3304 test "${cpu:-host}" = host &&
3305 die "--cpu=host not supported with compiler $cc"
3308 # Deal with common $arch aliases
3322 "Power Macintosh"|ppc*|powerpc*)
3337 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3342 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3345 # Add processor-specific flags
3346 if enabled aarch64; then
3350 cpuflags="-march=$cpu"
3353 cpuflags="-mcpu=$cpu"
3357 elif enabled alpha; then
3359 cpuflags="-mcpu=$cpu"
3361 elif enabled arm; then
3364 check_cpp_condition stddef.h \
3365 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3370 if check_arm_arch 4; then echo armv4;
3371 elif check_arm_arch 4T; then echo armv4t;
3372 elif check_arm_arch 5; then echo armv5;
3373 elif check_arm_arch 5E; then echo armv5e;
3374 elif check_arm_arch 5T; then echo armv5t;
3375 elif check_arm_arch 5TE; then echo armv5te;
3376 elif check_arm_arch 5TEJ; then echo armv5te;
3377 elif check_arm_arch 6; then echo armv6;
3378 elif check_arm_arch 6J; then echo armv6j;
3379 elif check_arm_arch 6K; then echo armv6k;
3380 elif check_arm_arch 6Z; then echo armv6z;
3381 elif check_arm_arch 6ZK; then echo armv6zk;
3382 elif check_arm_arch 6T2; then echo armv6t2;
3383 elif check_arm_arch 7; then echo armv7;
3384 elif check_arm_arch 7A 7_A; then echo armv7-a;
3385 elif check_arm_arch 7R 7_R; then echo armv7-r;
3386 elif check_arm_arch 7M 7_M; then echo armv7-m;
3387 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3388 elif check_arm_arch 8A 8_A; then echo armv8-a;
3392 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3396 cpuflags="-march=$cpu"
3397 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3400 cpuflags="-mcpu=$cpu"
3402 cortex-a*) subarch=armv7a ;;
3403 cortex-r*) subarch=armv7r ;;
3404 cortex-m*) enable thumb; subarch=armv7m ;;
3405 arm11*) subarch=armv6 ;;
3406 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3407 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3408 *) subarch=$(probe_arm_arch) ;;
3414 armv5t*) enable fast_clz ;;
3415 armv[6-8]*) enable fast_clz fast_unaligned ;;
3418 elif enabled avr32; then
3423 cpuflags="-mpart=$cpu"
3427 cpuflags="-march=$cpu"
3431 cpuflags="-mcpu=$cpu"
3435 cpuflags="-march=$cpu"
3439 elif enabled bfin; then
3441 cpuflags="-mcpu=$cpu"
3443 elif enabled mips; then
3445 cpuflags="-march=$cpu"
3461 24kef*|34kf*|1004kf*)
3469 elif enabled ppc; then
3471 case $(tolower $cpu) in
3472 601|ppc601|powerpc601)
3473 cpuflags="-mcpu=601"
3476 603*|ppc603*|powerpc603*)
3477 cpuflags="-mcpu=603"
3480 604*|ppc604*|powerpc604*)
3481 cpuflags="-mcpu=604"
3484 g3|75*|ppc75*|powerpc75*)
3485 cpuflags="-mcpu=750"
3488 g4|745*|ppc745*|powerpc745*)
3489 cpuflags="-mcpu=7450"
3491 74*|ppc74*|powerpc74*)
3492 cpuflags="-mcpu=7400"
3494 g5|970|ppc970|powerpc970)
3495 cpuflags="-mcpu=970"
3498 cpuflags="-mcpu=$cpu"
3501 cpuflags="-mcpu=cell"
3505 cpuflags="-mcpu=e500mc"
3509 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3513 cpuflags="-mcpu=8540 -mhard-float"
3518 elif enabled sparc; then
3521 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3522 cpuflags="-mcpu=$cpu"
3525 ultrasparc*|niagara[234])
3526 cpuflags="-mcpu=$cpu"
3530 elif enabled x86; then
3534 cpuflags="-march=$cpu"
3537 # targets that do NOT support nopl and conditional mov (cmov)
3538 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3539 cpuflags="-march=$cpu"
3542 # targets that do support nopl and conditional mov (cmov)
3543 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*)
3544 cpuflags="-march=$cpu"
3548 # targets that do support conditional mov but on which it's slow
3549 pentium4|pentium4m|prescott|nocona)
3550 cpuflags="-march=$cpu"
3558 if [ "$cpu" != generic ]; then
3559 add_cflags $cpuflags
3560 add_asflags $cpuflags
3563 # compiler sanity check
3565 int main(void){ return 0; }
3567 if test "$?" != 0; then
3568 echo "$cc is unable to create an executable file."
3569 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3570 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3571 echo "Only do this if you know what cross compiling means."
3573 die "C compiler test failed."
3576 add_cppflags -D_ISOC99_SOURCE
3577 add_cxxflags -D__STDC_CONSTANT_MACROS
3578 check_cflags -std=c99
3579 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3582 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3586 check_host_cflags -std=c99
3587 check_host_cflags -Wall
3593 check_code cc "" "int test[2*($expr) - 1]" &&
3594 subarch=$arch64 || subarch=$arch32
3602 check_64bit mips mips64 '_MIPS_SIM > 1'
3606 check_64bit parisc parisc64 'sizeof(void *) > 4'
3610 check_64bit ppc ppc64 'sizeof(void *) > 4'
3614 check_64bit sparc sparc64 'sizeof(void *) > 4'
3618 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3619 if test "$subarch" = "x86_64"; then
3624 check_cc <<EOF && subarch="ppc64"
3625 int test[(int)sizeof(char*) - 7];
3631 enabled spic && enable_weak pic
3637 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3638 enabled shared && add_ldflags -Wl,-brtl
3641 prefix_default="/boot/common"
3642 network_extralibs="-lnetwork"
3646 SHFLAGS='-shared -Wl,-h,$$(@F)'
3647 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3648 network_extralibs="-lsocket -lnsl"
3649 # When using suncc to build, the Solaris linker will mark
3650 # an executable with each instruction set encountered by
3651 # the Solaris assembler. As our libraries contain their own
3652 # guards for processor-specific code, instead suppress
3653 # generation of the HWCAPS ELF section on Solaris x86 only.
3654 enabled_all suncc x86 &&
3655 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3656 add_ldflags -Wl,-M,mapfile
3657 nm_default='nm -P -g'
3661 oss_indev_extralibs="-lossaudio"
3662 oss_outdev_extralibs="-lossaudio"
3663 enabled gcc || check_ldflags -Wl,-zmuldefs
3668 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3670 oss_indev_extralibs="-lossaudio"
3671 oss_outdev_extralibs="-lossaudio"
3679 add_extralibs -lpoll -lgnugetopt
3683 gas="gas-preprocessor.pl $cc"
3684 enabled ppc && add_asflags -force_cpusubtype_ALL
3685 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3686 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3688 add_ldflags -Wl,-dynamic,-search_paths_first
3690 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3691 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3693 enabled x86_64 && objformat="macho64"
3694 enabled_any pic shared ||
3695 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3698 if test $target_os = "mingw32ce"; then
3704 if enabled x86_64; then
3705 LIBTARGET="i386:x86-64"
3706 elif enabled arm; then
3709 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3710 check_ldflags -Wl,--nxcompat
3711 check_ldflags -Wl,--dynamicbase
3712 shlibdir_default="$bindir_default"
3715 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3716 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3717 dlltool="${cross_prefix}dlltool"
3718 if check_cmd lib.exe -list; then
3719 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3720 if enabled x86_64; then
3723 elif check_cmd $dlltool --version; then
3724 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3726 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3728 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3729 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3730 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3737 if enabled shared; then
3738 # Link to the import library instead of the normal static library
3741 # Cannot build both shared and static libs with MSVC or icl.
3744 shlibdir_default="$bindir_default"
3747 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3748 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3749 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3750 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3752 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3753 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3754 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3761 shlibdir_default="$bindir_default"
3764 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3765 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3766 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3768 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3769 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3772 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3774 *-dos|freedos|opendos)
3775 network_extralibs="-lsocket"
3778 add_cppflags -U__STRICT_ANSI__
3785 ranlib="echo ignoring ranlib"
3791 add_cppflags -D_GNU_SOURCE
3792 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3793 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3797 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3798 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3799 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3800 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3801 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3802 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3803 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3804 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3805 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3806 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3807 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3809 enable_weak os2threads
3812 add_cppflags -D_BSD_SOURCE
3817 add_cppflags -D_QNX_SOURCE
3818 network_extralibs="-lsocket"
3823 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3824 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3825 add_ldflags -Wl,--target1-abs,--no-undefined \
3826 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3827 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3828 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3829 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3830 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3833 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3838 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3839 -D_REENTRANT_SOURCE \
3840 -D_RESEARCH_SOURCE \
3843 add_compat strtod.o strtod=avpriv_strtod
3844 network_extralibs='-lbsd'
3845 exeobjs=compat/plan9/main.o
3852 die "Unknown OS '$target_os'."
3856 # determine libc flavour
3861 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3862 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3863 eval ${pfx}libc_type=uclibc
3864 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3865 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3866 eval ${pfx}libc_type=glibc
3867 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3868 # MinGW headers can be installed on Cygwin, so check for newlib first.
3869 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3870 eval ${pfx}libc_type=newlib
3871 add_${pfx}cppflags -U__STRICT_ANSI__
3872 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3873 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3874 eval ${pfx}libc_type=mingw64
3875 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3876 add_compat msvcrt/snprintf.o
3877 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3879 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3880 eval test \$${pfx_no_}cc_type = "gcc" &&
3881 add_${pfx}cppflags -D__printf__=__gnu_printf__
3882 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3883 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3884 eval ${pfx}libc_type=mingw32
3885 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3886 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3887 die "ERROR: MinGW32 runtime version must be >= 3.15."
3888 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3889 eval test \$${pfx_no_}cc_type = "gcc" &&
3890 add_${pfx}cppflags -D__printf__=__gnu_printf__
3891 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3892 eval ${pfx}libc_type=msvcrt
3893 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3894 # 0x601 by default unless something else is set by the user.
3895 # This can easily lead to us detecting functions only present
3896 # in such new versions and producing binaries requiring windows 7.0.
3897 # Therefore explicitly set the default to XP unless the user has
3898 # set something else on the command line.
3899 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3900 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3901 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3902 eval ${pfx}libc_type=klibc
3903 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3904 eval ${pfx}libc_type=bionic
3905 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3906 eval ${pfx}libc_type=solaris
3907 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3912 test -n "$libc_type" && enable libc_$libc_type
3914 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3918 add_compat strtod.o strtod=avpriv_strtod
3921 add_compat strtod.o strtod=avpriv_strtod
3922 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3923 _snprintf=avpriv_snprintf \
3924 vsnprintf=avpriv_vsnprintf
3928 # hacks for compiler/libc/os combinations
3930 if enabled_all tms470 libc_glibc; then
3931 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3932 add_cppflags -D__USER_LABEL_PREFIX__=
3933 add_cppflags -D__builtin_memset=memset
3934 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3935 add_cflags -pds=48 # incompatible redefinition of macro
3938 if enabled_all ccc libc_glibc; then
3939 add_ldflags -Wl,-z,now # calls to libots crash without this
3943 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3946 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3948 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3950 set_default $PATHS_LIST
3953 # we need to build at least one lib type
3954 if ! enabled_any static shared; then
3956 At least one library type must be built.
3957 Specify --enable-static to build the static libraries or --enable-shared to
3958 build the shared libraries as well. To only build the shared libraries specify
3959 --disable-static in addition to --enable-shared.
3964 # backward compatibility layer for incompatible_libav/fork_abi
3965 enabled incompatible_fork_abi && enable incompatible_libav_abi
3966 enabled incompatible_libav_abi && enable incompatible_fork_abi
3968 die_license_disabled() {
3969 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3972 die_license_disabled_gpl() {
3973 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3976 die_license_disabled gpl frei0r
3977 die_license_disabled gpl libcdio
3978 die_license_disabled gpl libutvideo
3979 die_license_disabled gpl libvidstab
3980 die_license_disabled gpl libx264
3981 die_license_disabled gpl libxavs
3982 die_license_disabled gpl libxvid
3983 die_license_disabled gpl libzvbi
3984 die_license_disabled gpl x11grab
3986 die_license_disabled nonfree libaacplus
3987 die_license_disabled nonfree libfaac
3988 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3989 enabled gpl && die_license_disabled_gpl nonfree openssl
3991 die_license_disabled version3 libopencore_amrnb
3992 die_license_disabled version3 libopencore_amrwb
3993 die_license_disabled version3 libvo_aacenc
3994 die_license_disabled version3 libvo_amrwbenc
3996 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3998 disabled optimizations || check_cflags -fomit-frame-pointer
4001 disabled pic && return
4004 case "$target_os" in
4014 enabled pic && enable_weak_pic
4016 check_cc <<EOF || die "Symbol mangling check failed."
4019 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4020 extern_prefix=${sym%%ff_extern*}
4022 check_cc <<EOF && enable_weak inline_asm
4023 void foo(void) { __asm__ volatile ("" ::); }
4027 for restrict_keyword in restrict __restrict__ __restrict; do
4028 check_cc <<EOF && _restrict=$restrict_keyword && break
4029 void foo(char * $restrict_keyword p);
4033 check_cc <<EOF && enable pragma_deprecated
4034 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4037 check_cc <<EOF && enable attribute_packed
4038 struct { int x; } __attribute__((packed)) x;
4041 check_cc <<EOF && enable attribute_may_alias
4042 union { int x; } __attribute__((may_alias)) x;
4045 check_cc <<EOF || die "endian test failed"
4046 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4048 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4050 check_inline_asm inline_asm_labels '"1:\n"'
4052 if enabled alpha; then
4056 elif enabled arm; then
4058 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4059 float func(float a, float b){ return a+b; }
4062 enabled thumb && check_cflags -mthumb || check_cflags -marm
4065 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4067 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4068 case "${cross_prefix:-$cc}" in
4069 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4070 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4071 __asm__ (".eabi_attribute 28, 1");
4072 int main(void) { return 0; }
4075 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4078 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4079 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4080 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4081 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4082 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4083 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4085 [ $target_os = linux ] ||
4086 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4089 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4090 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
4092 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4094 elif enabled mips; then
4096 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4097 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4098 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4099 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4100 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4101 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4102 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4103 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4104 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4106 elif enabled parisc; then
4108 if enabled gcc; then
4109 case $($cc -dumpversion) in
4110 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4114 elif enabled ppc; then
4116 enable local_aligned_8 local_aligned_16
4118 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4119 check_inline_asm ibm_asm '"add 0, 0, 0"'
4120 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4121 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4123 # AltiVec flags: The FSF version of GCC differs from the Apple version
4124 if enabled altivec; then
4125 if ! enabled_any pic ppc64; then
4128 check_cflags -maltivec -mabi=altivec &&
4129 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4130 check_cflags -faltivec
4132 # check if our compiler supports Motorola AltiVec C API
4133 check_cc <<EOF || disable altivec
4136 vector signed int v1 = (vector signed int) { 0 };
4137 vector signed int v2 = (vector signed int) { 1 };
4138 v1 = vec_add(v1, v2);
4143 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4146 elif enabled sparc; then
4148 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4150 elif enabled x86; then
4152 check_builtin rdtsc intrin.h "__rdtsc()"
4153 check_builtin mm_empty mmintrin.h "_mm_empty()"
4155 enable local_aligned_8 local_aligned_16
4157 # check whether EBP is available on x86
4158 # As 'i' is stored on the stack, this program will crash
4159 # if the base pointer is used to access it because the
4160 # base pointer is cleared in the inline assembly code.
4161 check_exec_crash <<EOF && enable ebp_available
4163 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4167 # check whether EBX is available on x86
4168 check_inline_asm ebx_available '""::"b"(0)' &&
4169 check_inline_asm ebx_available '"":::"%ebx"'
4171 # check whether xmm clobbers are supported
4172 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4174 # check whether binutils is new enough to compile SSSE3/MMXEXT
4175 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4176 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4178 if ! disabled_any asm mmx yasm; then
4179 if check_cmd $yasmexe --version; then
4180 enabled x86_64 && yasm_extra="-m amd64"
4181 yasm_debug="-g dwarf2"
4182 elif check_cmd nasm -v; then
4184 yasm_debug="-g -F dwarf"
4185 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4188 YASMFLAGS="-f $objformat $yasm_extra"
4189 enabled pic && append YASMFLAGS "-DPIC"
4190 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4191 case "$objformat" in
4192 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4195 check_yasm "movbe ecx, [5]" && enable yasm ||
4196 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4197 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4198 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4199 check_yasm "CPU amdnop" && enable cpunop
4203 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4210 if enabled asm; then
4212 check_as <<EOF && enable gnu_as || \
4213 $nogas "GNU assembler not found, install gas-preprocessor"
4221 check_ldflags -Wl,--as-needed
4223 if check_func dlopen; then
4225 elif check_func dlopen -ldl; then
4229 if ! disabled network; then
4230 check_type "sys/types.h sys/socket.h" socklen_t
4231 check_type netdb.h "struct addrinfo"
4232 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4233 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4234 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4235 check_type netinet/in.h "struct sockaddr_in6"
4236 check_type poll.h "struct pollfd"
4237 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4238 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4239 check_type netinet/sctp.h "struct sctp_event_subscribe"
4240 check_func getaddrinfo $network_extralibs
4241 check_func getservbyport $network_extralibs
4242 # Prefer arpa/inet.h over winsock2
4243 if check_header arpa/inet.h ; then
4244 check_func closesocket
4245 elif check_header winsock2.h ; then
4246 check_func_headers winsock2.h closesocket -lws2 &&
4247 network_extralibs="-lws2" ||
4248 { check_func_headers winsock2.h closesocket -lws2_32 &&
4249 network_extralibs="-lws2_32"; }
4250 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4251 check_type ws2tcpip.h socklen_t
4252 check_type ws2tcpip.h "struct addrinfo"
4253 check_type ws2tcpip.h "struct group_source_req"
4254 check_type ws2tcpip.h "struct ip_mreq_source"
4255 check_type ws2tcpip.h "struct ipv6_mreq"
4256 check_type winsock2.h "struct pollfd"
4257 check_type ws2tcpip.h "struct sockaddr_in6"
4258 check_type ws2tcpip.h "struct sockaddr_storage"
4259 check_struct winsock2.h "struct sockaddr" sa_len
4265 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4266 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4269 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4272 check_func_headers stdlib.h getenv
4273 check_func gethrtime
4275 check_func getrusage
4276 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4277 check_func gettimeofday
4278 check_func inet_aton $network_extralibs
4280 check_func localtime_r
4281 check_func ${malloc_prefix}memalign && enable memalign
4285 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4286 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4287 check_func setrlimit
4288 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4289 check_func strerror_r
4290 check_func sched_getaffinity
4291 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4292 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4293 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4294 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4295 check_builtin sarestart signal.h "SA_RESTART"
4299 check_func_headers conio.h kbhit
4300 check_func_headers windows.h PeekNamedPipe
4301 check_func_headers io.h setmode
4302 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4303 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4304 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4305 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4306 check_func_headers windows.h GetProcessAffinityMask
4307 check_func_headers windows.h GetProcessTimes
4308 check_func_headers windows.h GetSystemTimeAsFileTime
4309 check_func_headers windows.h MapViewOfFile
4310 check_func_headers windows.h SetConsoleTextAttribute
4311 check_func_headers windows.h Sleep
4312 check_func_headers windows.h VirtualAlloc
4313 check_func_headers glob.h glob
4314 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4316 check_header cl/cl.h
4317 check_header direct.h
4318 check_header dlfcn.h
4320 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4322 check_header libcrystalhd/libcrystalhd_if.h
4323 check_header malloc.h
4325 check_header sys/mman.h
4326 check_header sys/param.h
4327 check_header sys/resource.h
4328 check_header sys/select.h
4329 check_header sys/time.h
4330 check_header sys/un.h
4331 check_header termios.h
4332 check_header unistd.h
4333 check_header vdpau/vdpau.h
4334 check_header vdpau/vdpau_x11.h
4335 check_header VideoDecodeAcceleration/VDADecoder.h
4336 check_header windows.h
4337 check_header X11/extensions/XvMClib.h
4338 check_header asm/types.h
4340 if ! disabled w32threads && ! enabled pthreads; then
4341 check_func_headers "windows.h process.h" _beginthreadex &&
4342 enable w32threads || disable w32threads
4345 # check for some common methods of building with pthread support
4346 # do this before the optional library checks as some of them require pthreads
4347 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4349 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4351 add_extralibs -pthread
4352 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4353 add_cflags -pthreads
4354 add_extralibs -pthreads
4355 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4356 add_extralibs -lpthreadGC2
4357 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4359 elif ! check_func pthread_join && ! check_func pthread_create; then
4364 for thread in $THREADS_LIST; do
4365 if enabled $thread; then
4366 test -n "$thread_type" &&
4367 die "ERROR: Only one thread type must be selected." ||
4368 thread_type="$thread"
4372 if enabled pthreads; then
4373 check_func pthread_cancel
4376 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4377 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4379 check_lib math.h sin -lm && LIBM="-lm"
4380 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4386 for func in $MATH_FUNCS; do
4387 eval check_mathfunc $func \${${func}_args:-1}
4390 # these are off by default, so fail if requested and not available
4391 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4392 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4393 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4394 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4395 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4396 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4397 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4398 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4399 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4400 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4401 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4402 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4403 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4404 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4405 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4406 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4407 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4408 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"
4409 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4410 enabled libfreetype && require_libfreetype
4411 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4412 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4413 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4414 done || die "ERROR: libgsm not found"; }
4415 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4416 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4417 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4418 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4419 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4420 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4421 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4422 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4423 check_lib openjpeg.h opj_version -lopenjpeg ||
4424 die "ERROR: libopenjpeg not found"; }
4425 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4426 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4427 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4428 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4429 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4430 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4431 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4432 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4433 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4434 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4435 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4436 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4437 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4438 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4439 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4440 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4441 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4442 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4443 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4444 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4445 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4446 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4448 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4449 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4450 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 ||
4451 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4452 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4453 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; } }
4454 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4455 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4456 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4457 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4458 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4459 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4460 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4461 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4462 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4463 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4464 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4465 die "ERROR: openal not found"; } &&
4466 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4467 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4468 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4469 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4470 die "ERROR: opencl not found"; } &&
4471 { ! enabled_any w32threads os2threads ||
4472 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4473 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4474 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4475 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4476 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4477 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4478 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4479 die "ERROR: openssl not found"; }
4481 if enabled gnutls; then
4482 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4483 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4487 if enabled libdc1394; then
4488 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4489 enable libdc1394_2; } ||
4490 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4491 enable libdc1394_1; } ||
4492 die "ERROR: No version of libdc1394 found "
4495 SDL_CONFIG="${cross_prefix}sdl-config"
4496 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4497 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4498 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4501 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4502 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4503 sdl_libs=$("${SDL_CONFIG}" --libs)
4504 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4505 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4506 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4510 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4512 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4513 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4514 perl -v > /dev/null 2>&1 && enable perl || disable perl
4515 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4516 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4518 check_header linux/fb.h
4519 check_header linux/videodev.h
4520 check_header linux/videodev2.h
4521 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4523 check_header sys/videoio.h
4525 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4526 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4527 # w32api 3.12 had it defined wrong
4528 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4530 check_type "dshow.h" IBaseFilter
4532 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4533 { check_header dev/bktr/ioctl_meteor.h &&
4534 check_header dev/bktr/ioctl_bt848.h; } ||
4535 { check_header machine/ioctl_meteor.h &&
4536 check_header machine/ioctl_bt848.h; } ||
4537 { check_header dev/video/meteor/ioctl_meteor.h &&
4538 check_header dev/video/bktr/ioctl_bt848.h; } ||
4539 check_header dev/ic/bt8xx.h
4541 check_header sndio.h
4542 if check_struct sys/soundcard.h audio_buf_info bytes; then
4543 enable_safe sys/soundcard.h
4545 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4546 #include <sys/soundcard.h>
4550 check_header soundcard.h
4552 enabled_any alsa_indev alsa_outdev &&
4553 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4555 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4556 check_func jack_port_get_latency_range -ljack
4558 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4560 if enabled libcdio; then
4561 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4562 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4563 die "ERROR: libcdio-paranoia not found"
4566 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4569 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4570 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4571 { enabled xlib || die "ERROR: Xlib not found"; }
4574 check_lib va/va.h vaInitialize -lva ||
4578 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4581 enabled vdpau && enabled xlib &&
4582 check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4585 # Funny iconv installations are not unusual, so check it after all flags have been set
4586 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4588 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4590 # add some useful compiler flags if supported
4591 check_cflags -Wdeclaration-after-statement
4593 check_cflags -Wdisabled-optimization
4594 check_cflags -Wpointer-arith
4595 check_cflags -Wredundant-decls
4596 check_cflags -Wwrite-strings
4597 check_cflags -Wtype-limits
4598 check_cflags -Wundef
4599 check_cflags -Wmissing-prototypes
4600 check_cflags -Wno-pointer-to-int-cast
4601 check_cflags -Wstrict-prototypes
4602 enabled extra_warnings && check_cflags -Winline
4604 check_disable_warning(){
4605 warning_flag=-W${1#-Wno-}
4606 test_cflags $warning_flag && add_cflags $1
4609 check_disable_warning -Wno-parentheses
4610 check_disable_warning -Wno-switch
4611 check_disable_warning -Wno-format-zero-length
4612 check_disable_warning -Wno-pointer-sign
4614 # add some linker flags
4615 check_ldflags -Wl,--warn-common
4616 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4617 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4618 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4620 # add some strip flags
4621 # -wN '..@*' is more selective than -x, but not available everywhere.
4622 check_stripflags -wN \'..@*\' || check_stripflags -x
4624 enabled xmm_clobber_test &&
4625 check_ldflags -Wl,--wrap,avcodec_open2 \
4626 -Wl,--wrap,avcodec_decode_audio4 \
4627 -Wl,--wrap,avcodec_decode_video2 \
4628 -Wl,--wrap,avcodec_decode_subtitle2 \
4629 -Wl,--wrap,avcodec_encode_audio2 \
4630 -Wl,--wrap,avcodec_encode_video \
4631 -Wl,--wrap,avcodec_encode_video2 \
4632 -Wl,--wrap,avcodec_encode_subtitle \
4633 -Wl,--wrap,sws_scale ||
4634 disable xmm_clobber_test
4637 if test_ldflags -Wl,--version-script,$TMPV; then
4638 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4639 check_cc <<EOF && enable symver_asm_label
4640 void ff_foo(void) __asm__ ("av_foo@VERSION");
4641 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4643 check_cc <<EOF && enable symver_gnu_asm
4644 __asm__(".symver ff_foo,av_foo@VERSION");
4645 void ff_foo(void) {}
4649 if [ -z "$optflags" ]; then
4650 if enabled small; then
4651 optflags=$cflags_size
4652 elif enabled optimizations; then
4653 optflags=$cflags_speed
4655 optflags=$cflags_noopt
4661 enabled lto && check_ldflags "$@"
4665 if enabled lto; then
4666 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4668 check_ldflags -flto $cpuflags
4671 check_optflags $optflags
4672 check_optflags -fno-math-errno
4673 check_optflags -fno-signed-zeros
4675 enabled ftrapv && check_cflags -ftrapv
4677 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4682 if enabled icc; then
4683 # Just warnings, no remarks
4685 # -wd: Disable following warnings
4686 # 144, 167, 556: -Wno-pointer-sign
4687 # 188: enumerated type mixed with another type
4688 # 1292: attribute "foo" ignored
4689 # 1419: external declaration in primary source file
4690 # 10006: ignoring unknown option -fno-signed-zeros
4691 # 10148: ignoring unknown option -Wno-parentheses
4692 # 10156: ignoring option '-W'; no argument required
4693 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4694 # 11030: Warning unknown option --as-needed
4695 # 10156: ignoring option '-export'; no argument required
4696 check_ldflags -wd10156,11030
4697 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4698 enable ebp_available
4699 if enabled x86_32; then
4700 icc_version=$($cc -dumpversion)
4701 test ${icc_version%%.*} -ge 11 &&
4702 check_cflags -falign-stack=maintain-16-byte ||
4703 disable aligned_stack
4705 elif enabled ccc; then
4706 # disable some annoying warnings
4707 add_cflags -msg_disable bitnotint
4708 add_cflags -msg_disable mixfuncvoid
4709 add_cflags -msg_disable nonstandcast
4710 add_cflags -msg_disable unsupieee
4711 elif enabled gcc; then
4712 check_optflags -fno-tree-vectorize
4713 check_cflags -Werror=implicit-function-declaration
4714 check_cflags -Werror=missing-prototypes
4715 check_cflags -Werror=return-type
4716 check_cflags -Werror=vla
4717 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4718 elif enabled llvm_gcc; then
4719 check_cflags -mllvm -stack-alignment=16
4720 elif enabled clang; then
4721 check_cflags -mllvm -stack-alignment=16
4722 check_cflags -Qunused-arguments
4723 check_cflags -Werror=implicit-function-declaration
4724 check_cflags -Werror=missing-prototypes
4725 check_cflags -Werror=return-type
4726 elif enabled cparser; then
4727 add_cflags -Wno-missing-variable-declarations
4728 add_cflags -Wno-empty-statement
4729 elif enabled armcc; then
4730 # 2523: use of inline assembler is deprecated
4731 add_cflags -W${armcc_opt},--diag_suppress=2523
4732 add_cflags -W${armcc_opt},--diag_suppress=1207
4733 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4734 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4735 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4736 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4737 elif enabled tms470; then
4738 add_cflags -pds=824 -pds=837
4740 elif enabled pathscale; then
4741 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4742 elif enabled_any msvc icl; then
4743 enabled x86_32 && disable aligned_stack
4744 enabled_all x86_32 debug && add_cflags -Oy-
4745 enabled debug && add_ldflags -debug
4746 enable pragma_deprecated
4747 if enabled icl; then
4748 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4749 # (correctly) on icl 13.x.
4750 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4751 add_cflags -Qansi-alias
4752 # icl will pass the inline asm tests but inline asm is currently
4753 # not supported (build will fail)
4754 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4761 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4764 add_cppflags -Dmain=plan9_main
4768 enable frame_thread_encoder
4770 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4772 check_deps $CONFIG_LIST \
4777 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"
4780 if test $target_os = "haiku"; then
4782 disable posix_memalign
4785 ! enabled_any memalign posix_memalign aligned_malloc &&
4786 enabled_any $need_memalign && enable memalign_hack
4789 # -> enable ${lib}_deps_${dep}
4790 # -> add $dep to ${lib}_deps only once
4794 enabled "${lib}_deps_${dep}" && return 0
4795 enable "${lib}_deps_${dep}"
4796 prepend "${lib}_deps" $dep
4799 # merge deps lib components
4800 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4805 enabled $comp || continue
4806 eval "dep=\"\$${comp}_deps\""
4813 merge_deps libavfilter $FILTER_LIST
4815 echo "install prefix $prefix"
4816 echo "source path $source_path"
4817 echo "C compiler $cc"
4818 echo "C library $libc_type"
4819 if test "$host_cc" != "$cc"; then
4820 echo "host C compiler $host_cc"
4821 echo "host C library $host_libc_type"
4823 echo "ARCH $arch ($cpu)"
4824 if test "$build_suffix" != ""; then
4825 echo "build suffix $build_suffix"
4827 if test "$progs_suffix" != ""; then
4828 echo "progs suffix $progs_suffix"
4830 if test "$extra_version" != ""; then
4831 echo "version string suffix $extra_version"
4833 echo "big-endian ${bigendian-no}"
4834 echo "runtime cpu detection ${runtime_cpudetect-no}"
4835 if enabled x86; then
4836 echo "${yasmexe} ${yasm-no}"
4837 echo "MMX enabled ${mmx-no}"
4838 echo "MMXEXT enabled ${mmxext-no}"
4839 echo "3DNow! enabled ${amd3dnow-no}"
4840 echo "3DNow! extended enabled ${amd3dnowext-no}"
4841 echo "SSE enabled ${sse-no}"
4842 echo "SSSE3 enabled ${ssse3-no}"
4843 echo "AVX enabled ${avx-no}"
4844 echo "FMA4 enabled ${fma4-no}"
4845 echo "i686 features enabled ${i686-no}"
4846 echo "CMOV is fast ${fast_cmov-no}"
4847 echo "EBX available ${ebx_available-no}"
4848 echo "EBP available ${ebp_available-no}"
4850 if enabled arm; then
4851 echo "ARMv5TE enabled ${armv5te-no}"
4852 echo "ARMv6 enabled ${armv6-no}"
4853 echo "ARMv6T2 enabled ${armv6t2-no}"
4854 echo "VFP enabled ${vfp-no}"
4855 echo "NEON enabled ${neon-no}"
4856 echo "THUMB enabled ${thumb-no}"
4858 if enabled mips; then
4859 echo "MIPS FPU enabled ${mipsfpu-no}"
4860 echo "MIPS32R2 enabled ${mips32r2-no}"
4861 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4862 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4864 if enabled ppc; then
4865 echo "AltiVec enabled ${altivec-no}"
4866 echo "PPC 4xx optimizations ${ppc4xx-no}"
4867 echo "dcbzl available ${dcbzl-no}"
4869 if enabled sparc; then
4870 echo "VIS enabled ${vis-no}"
4872 echo "debug symbols ${debug-no}"
4873 echo "strip symbols ${stripping-no}"
4874 echo "optimize for size ${small-no}"
4875 echo "optimizations ${optimizations-no}"
4876 echo "static ${static-no}"
4877 echo "shared ${shared-no}"
4878 echo "postprocessing support ${postproc-no}"
4879 echo "new filter support ${avfilter-no}"
4880 echo "network support ${network-no}"
4881 echo "threading support ${thread_type-no}"
4882 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4883 echo "SDL support ${sdl-no}"
4884 echo "opencl enabled ${opencl-no}"
4885 echo "libzvbi enabled ${libzvbi-no}"
4886 echo "texi2html enabled ${texi2html-no}"
4887 echo "perl enabled ${perl-no}"
4888 echo "pod2man enabled ${pod2man-no}"
4889 echo "makeinfo enabled ${makeinfo-no}"
4890 test -n "$random_seed" &&
4891 echo "random seed ${random_seed}"
4894 echo "External libraries:"
4895 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4898 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4899 echo "Enabled ${type}s:"
4900 eval list=\$$(toupper $type)_LIST
4901 print_enabled '_*' $list | print_3_columns
4905 license="LGPL version 2.1 or later"
4906 if enabled nonfree; then
4907 license="nonfree and unredistributable"
4908 elif enabled gplv3; then
4909 license="GPL version 3 or later"
4910 elif enabled lgplv3; then
4911 license="LGPL version 3 or later"
4912 elif enabled gpl; then
4913 license="GPL version 2 or later"
4916 echo "License: $license"
4918 echo "Creating config.mak, config.h, and doc/config.texi..."
4920 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4922 enabled stripping || strip="echo skipping strip"
4924 config_files="$TMPH config.mak doc/config.texi"
4926 cat > config.mak <<EOF
4927 # Automatically generated by configure - do not modify!
4928 ifndef FFMPEG_CONFIG_MAK
4930 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4932 LIBDIR=\$(DESTDIR)$libdir
4933 SHLIBDIR=\$(DESTDIR)$shlibdir
4934 INCDIR=\$(DESTDIR)$incdir
4935 BINDIR=\$(DESTDIR)$bindir
4936 DATADIR=\$(DESTDIR)$datadir
4937 DOCDIR=\$(DESTDIR)$docdir
4938 MANDIR=\$(DESTDIR)$mandir
4939 SRC_PATH=$source_path
4940 ifndef MAIN_MAKEFILE
4941 SRC_PATH:=\$(SRC_PATH:.%=..%)
4950 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4952 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4980 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4981 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
4982 YASMFLAGS=$YASMFLAGS
4983 BUILDSUF=$build_suffix
4984 PROGSSUF=$progs_suffix
4992 EXTRA_VERSION=$extra_version
4995 CCDEP_FLAGS=$CCDEP_FLAGS
4997 ASDEP_FLAGS=$ASDEP_FLAGS
4998 CC_DEPFLAGS=$CC_DEPFLAGS
4999 AS_DEPFLAGS=$AS_DEPFLAGS
5002 HOSTCFLAGS=$host_cflags
5003 HOSTCPPFLAGS=$host_cppflags
5004 HOSTEXESUF=$HOSTEXESUF
5005 HOSTLDFLAGS=$host_ldflags
5008 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5009 HOSTCCDEP=$HOSTCCDEP
5010 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5011 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5015 TARGET_EXEC=$target_exec $target_exec_args
5016 TARGET_PATH=$target_path
5017 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5018 LIBS-ffplay=$sdl_libs
5019 CFLAGS-ffplay=$sdl_cflags
5020 ZLIB=$($ldflags_filter -lz)
5021 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5022 EXTRALIBS=$extralibs
5023 COMPAT_OBJS=$compat_objs
5026 LIBTARGET=${LIBTARGET}
5027 SLIBNAME=${SLIBNAME}
5028 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5029 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5030 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5031 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5032 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5033 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5034 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5035 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5036 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5037 NOREDZONE_FLAGS=$noredzone_flags
5042 name=$(toupper $lcname)
5043 file=$source_path/$lcname/version.h
5044 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5045 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5046 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5047 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5048 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5049 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5052 map 'get_version $v' $LIBRARY_LIST
5055 /* Automatically generated by configure - do not modify! */
5056 #ifndef FFMPEG_CONFIG_H
5057 #define FFMPEG_CONFIG_H
5058 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5059 #define FFMPEG_LICENSE "$(c_escape $license)"
5060 #define CONFIG_THIS_YEAR 2013
5061 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5062 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5063 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5064 #define av_restrict $_restrict
5065 #define EXTERN_PREFIX "${extern_prefix}"
5066 #define EXTERN_ASM ${extern_prefix}
5067 #define BUILDSUF "$build_suffix"
5068 #define SLIBSUF "$SLIBSUF"
5069 #define HAVE_MMX2 HAVE_MMXEXT
5072 test -n "$assert_level" &&
5073 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5075 test -n "$malloc_prefix" &&
5076 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5078 if enabled yasm; then
5079 append config_files $TMPASM
5083 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5087 echo "@c auto-generated by configure" > doc/config.texi
5089 print_config ARCH_ "$config_files" $ARCH_LIST
5090 print_config HAVE_ "$config_files" $HAVE_LIST
5091 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5095 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5096 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5098 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5099 cp_if_changed $TMPH config.h
5102 enabled yasm && cp_if_changed $TMPASM config.asm
5105 /* Generated by ffconf */
5106 #ifndef AVUTIL_AVCONFIG_H
5107 #define AVUTIL_AVCONFIG_H
5110 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5112 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5114 cp_if_changed $TMPH libavutil/avconfig.h
5116 if test -n "$WARNINGS"; then
5117 printf "\n$WARNINGS"
5118 enabled fatal_warnings && exit 1
5121 # build pkg-config files
5123 pkgconfig_generate(){
5125 shortname=${name#lib}${build_suffix}
5130 enabled ${name#lib} || return 0
5132 cat <<EOF > $name/$name${build_suffix}.pc
5134 exec_prefix=\${prefix}
5139 Description: $comment
5141 Requires: $(enabled shared || echo $requires)
5142 Requires.private: $(enabled shared && echo $requires)
5144 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5145 Libs.private: $(enabled shared && echo $libs)
5146 Cflags: -I\${includedir}
5149 mkdir -p doc/examples/pc-uninstalled
5150 includedir=${source_path}
5151 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5152 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5155 libdir=\${pcfiledir}/../../../$name
5156 includedir=${includedir}
5159 Description: $comment
5163 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5164 Cflags: -I\${includedir}
5168 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5169 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5170 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5171 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5172 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5173 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5174 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5175 lavfi_libs=${lavfi_libs%, }
5177 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5178 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5180 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5181 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5182 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5183 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5184 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5185 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5186 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5187 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5188 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5190 fix_ffmpeg_remote(){
5193 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5194 if [ "$fixme_remote" != "" ]; then
5196 Outdated domain in git config, the official domain for ffmpeg git is since
5197 November 2011, source.ffmpeg.org, both the old and the new point to the same
5198 repository and server. To update it enter the following commands:
5200 for remote in $fixme_remote; do
5201 echolog "git remote set-url $remote $git_remote_to"
5206 if test -f "$source_path/.git/config"; then
5207 remote_from=git.videolan.org
5208 remote_to=source.ffmpeg.org
5209 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5210 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg