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 avrn_decoder_select="exif"
1869 bink_decoder_select="dsputil hpeldsp"
1870 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1871 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1872 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1873 cllc_decoder_select="dsputil"
1874 comfortnoise_encoder_select="lpc"
1875 cook_decoder_select="dsputil mdct sinewin"
1876 cscd_decoder_select="lzo"
1877 cscd_decoder_suggest="zlib"
1878 dca_decoder_select="mdct"
1879 dirac_decoder_select="dsputil dwt golomb videodsp"
1880 dnxhd_decoder_select="dsputil"
1881 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1882 dvvideo_decoder_select="dsputil"
1883 dvvideo_encoder_select="dsputil"
1884 dxa_decoder_select="zlib"
1885 eac3_decoder_select="ac3_decoder"
1886 eac3_encoder_select="ac3_encoder"
1887 eamad_decoder_select="aandcttables dsputil mpegvideo"
1888 eatgq_decoder_select="aandcttables"
1889 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1890 exr_decoder_select="zlib"
1891 ffv1_decoder_select="dsputil golomb rangecoder"
1892 ffv1_encoder_select="dsputil rangecoder"
1893 ffvhuff_decoder_select="dsputil"
1894 ffvhuff_encoder_select="dsputil huffman"
1895 flac_decoder_select="golomb"
1896 flac_encoder_select="dsputil golomb lpc"
1897 flashsv_decoder_select="zlib"
1898 flashsv_encoder_select="zlib"
1899 flashsv2_encoder_select="zlib"
1900 flashsv2_decoder_select="zlib"
1901 flv_decoder_select="h263_decoder"
1902 flv_encoder_select="h263_encoder"
1903 fourxm_decoder_select="dsputil"
1904 fraps_decoder_select="dsputil huffman"
1905 g2m_decoder_select="dsputil zlib"
1906 g729_decoder_select="dsputil"
1907 h261_decoder_select="error_resilience mpegvideo"
1908 h261_encoder_select="aandcttables mpegvideoenc"
1909 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1910 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1911 h263i_decoder_select="h263_decoder"
1912 h263p_encoder_select="h263_encoder"
1913 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1914 h264_decoder_suggest="error_resilience"
1915 hevc_decoder_select="dsputil golomb videodsp"
1916 huffyuv_decoder_select="dsputil"
1917 huffyuv_encoder_select="dsputil huffman"
1918 iac_decoder_select="dsputil fft mdct sinewin"
1919 imc_decoder_select="dsputil fft mdct sinewin"
1920 indeo3_decoder_select="hpeldsp"
1921 interplay_video_decoder_select="hpeldsp"
1922 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1923 jpegls_encoder_select="golomb"
1924 jv_decoder_select="dsputil"
1925 lagarith_decoder_select="dsputil"
1926 ljpeg_encoder_select="aandcttables mpegvideoenc"
1927 loco_decoder_select="golomb"
1928 mdec_decoder_select="dsputil error_resilience mpegvideo"
1929 metasound_decoder_select="lsp mdct sinewin"
1930 mimic_decoder_select="dsputil hpeldsp"
1931 mjpeg_decoder_select="dsputil hpeldsp exif"
1932 mjpegb_decoder_select="dsputil hpeldsp exif"
1933 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1934 mlp_decoder_select="dsputil mlp_parser"
1935 motionpixels_decoder_select="dsputil"
1936 mp1_decoder_select="mpegaudio"
1937 mp1float_decoder_select="mpegaudio"
1938 mp2_decoder_select="mpegaudio"
1939 mp2float_decoder_select="mpegaudio"
1940 mp3_decoder_select="mpegaudio"
1941 mp3adu_decoder_select="mpegaudio"
1942 mp3adufloat_decoder_select="mpegaudio"
1943 mp3float_decoder_select="mpegaudio"
1944 mp3on4_decoder_select="mpegaudio"
1945 mp3on4float_decoder_select="mpegaudio"
1946 mpc7_decoder_select="dsputil mpegaudiodsp"
1947 mpc8_decoder_select="dsputil mpegaudiodsp"
1948 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1949 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1950 mpeg1video_decoder_select="error_resilience mpegvideo"
1951 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1952 mpeg2video_decoder_select="error_resilience mpegvideo"
1953 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1954 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1955 mpeg4_encoder_select="h263_encoder"
1956 msmpeg4v1_decoder_select="h263_decoder"
1957 msmpeg4v2_decoder_select="h263_decoder"
1958 msmpeg4v2_encoder_select="h263_encoder"
1959 msmpeg4v3_decoder_select="h263_decoder"
1960 msmpeg4v3_encoder_select="h263_encoder"
1961 mss2_decoder_select="error_resilience vc1_decoder"
1962 mxpeg_decoder_select="dsputil hpeldsp exif"
1963 nellymoser_decoder_select="mdct sinewin"
1964 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1965 nuv_decoder_select="dsputil lzo"
1966 png_decoder_select="zlib"
1967 png_encoder_select="dsputil zlib"
1968 prores_decoder_select="dsputil"
1969 prores_encoder_select="dsputil"
1970 qcelp_decoder_select="lsp"
1971 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1972 ra_144_encoder_select="audio_frame_queue lpc"
1973 ralf_decoder_select="golomb"
1974 rtjpeg_decoder_select="dsputil"
1975 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1976 rv10_encoder_select="h263_encoder"
1977 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1978 rv20_encoder_select="h263_encoder"
1979 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1980 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1981 shorten_decoder_select="golomb"
1982 sipr_decoder_select="lsp"
1983 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1984 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1985 sonic_decoder_select="golomb"
1986 sonic_encoder_select="golomb"
1987 sonic_ls_encoder_select="golomb"
1988 sp5x_decoder_select="dsputil hpeldsp exif"
1989 svq1_decoder_select="hpeldsp"
1990 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1991 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1992 svq3_decoder_suggest="error_resilience zlib"
1993 tak_decoder_select="dsputil"
1994 theora_decoder_select="vp3_decoder"
1995 tiff_decoder_suggest="zlib"
1996 tiff_encoder_suggest="zlib"
1997 thp_decoder_select="dsputil hpeldsp exif"
1998 truehd_decoder_select="mlp_parser"
1999 truemotion2_decoder_select="dsputil"
2000 truespeech_decoder_select="dsputil"
2001 tscc_decoder_select="zlib"
2002 twinvq_decoder_select="mdct lsp sinewin"
2003 utvideo_decoder_select="dsputil"
2004 utvideo_encoder_select="dsputil huffman"
2005 vble_decoder_select="dsputil"
2006 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
2007 vc1image_decoder_select="vc1_decoder"
2008 vorbis_decoder_select="mdct"
2009 vorbis_encoder_select="mdct"
2010 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2011 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2012 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2013 vp6a_decoder_select="vp6_decoder"
2014 vp6f_decoder_select="vp6_decoder"
2015 vp8_decoder_select="h264pred videodsp"
2016 vp9_decoder_select="videodsp"
2017 webp_decoder_select="vp8_decoder"
2018 wmapro_decoder_select="mdct sinewin"
2019 wmav1_decoder_select="mdct sinewin"
2020 wmav1_encoder_select="mdct sinewin"
2021 wmav2_decoder_select="mdct sinewin"
2022 wmav2_encoder_select="mdct sinewin"
2023 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2024 wmv1_decoder_select="h263_decoder"
2025 wmv1_encoder_select="h263_encoder"
2026 wmv2_decoder_select="h263_decoder videodsp"
2027 wmv2_encoder_select="h263_encoder"
2028 wmv3_decoder_select="vc1_decoder"
2029 wmv3image_decoder_select="wmv3_decoder"
2030 zerocodec_decoder_select="zlib"
2031 zlib_decoder_select="zlib"
2032 zlib_encoder_select="zlib"
2033 zmbv_decoder_select="zlib"
2034 zmbv_encoder_select="zlib"
2036 # hardware accelerators
2037 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2038 dxva2_deps="dxva2api_h"
2039 vaapi_deps="va_va_h"
2040 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2041 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2042 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2043 xvmc_deps="X11_extensions_XvMClib_h"
2045 h263_vaapi_hwaccel_deps="vaapi"
2046 h263_vaapi_hwaccel_select="h263_decoder"
2047 h263_vdpau_hwaccel_deps="vdpau"
2048 h263_vdpau_hwaccel_select="h263_decoder"
2049 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2050 h264_dxva2_hwaccel_deps="dxva2"
2051 h264_dxva2_hwaccel_select="h264_decoder"
2052 h264_vaapi_hwaccel_deps="vaapi"
2053 h264_vaapi_hwaccel_select="h264_decoder"
2054 h264_vda_decoder_deps="vda"
2055 h264_vda_decoder_select="h264_decoder"
2056 h264_vda_hwaccel_deps="vda"
2057 h264_vda_hwaccel_select="h264_decoder"
2058 h264_vdpau_decoder_deps="vdpau"
2059 h264_vdpau_decoder_select="h264_decoder"
2060 h264_vdpau_hwaccel_deps="vdpau"
2061 h264_vdpau_hwaccel_select="h264_decoder"
2062 mpeg_vdpau_decoder_deps="vdpau"
2063 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2064 mpeg_xvmc_hwaccel_deps="xvmc"
2065 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2066 mpeg1_vdpau_decoder_deps="vdpau"
2067 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2068 mpeg1_vdpau_hwaccel_deps="vdpau"
2069 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2070 mpeg1_xvmc_hwaccel_deps="xvmc"
2071 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2072 mpeg2_crystalhd_decoder_select="crystalhd"
2073 mpeg2_dxva2_hwaccel_deps="dxva2"
2074 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2075 mpeg2_vaapi_hwaccel_deps="vaapi"
2076 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2077 mpeg2_vdpau_hwaccel_deps="vdpau"
2078 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2079 mpeg2_xvmc_hwaccel_deps="xvmc"
2080 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2081 mpeg4_crystalhd_decoder_select="crystalhd"
2082 mpeg4_vaapi_hwaccel_deps="vaapi"
2083 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2084 mpeg4_vdpau_decoder_deps="vdpau"
2085 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2086 mpeg4_vdpau_hwaccel_deps="vdpau"
2087 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2088 msmpeg4_crystalhd_decoder_select="crystalhd"
2089 vc1_crystalhd_decoder_select="crystalhd"
2090 vc1_dxva2_hwaccel_deps="dxva2"
2091 vc1_dxva2_hwaccel_select="vc1_decoder"
2092 vc1_vaapi_hwaccel_deps="vaapi"
2093 vc1_vaapi_hwaccel_select="vc1_decoder"
2094 vc1_vdpau_decoder_deps="vdpau"
2095 vc1_vdpau_decoder_select="vc1_decoder"
2096 vc1_vdpau_hwaccel_deps="vdpau"
2097 vc1_vdpau_hwaccel_select="vc1_decoder"
2098 wmv3_crystalhd_decoder_select="crystalhd"
2099 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2100 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2101 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2102 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2105 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2106 hevc_parser_select="hevc_decoder"
2107 mpeg4video_parser_select="error_resilience mpegvideo"
2108 mpegvideo_parser_select="error_resilience mpegvideo"
2109 vc1_parser_select="mpegvideo"
2111 # external libraries
2112 libaacplus_encoder_deps="libaacplus"
2113 libcelt_decoder_deps="libcelt"
2114 libfaac_encoder_deps="libfaac"
2115 libfaac_encoder_select="audio_frame_queue"
2116 libfdk_aac_decoder_deps="libfdk_aac"
2117 libfdk_aac_encoder_deps="libfdk_aac"
2118 libfdk_aac_encoder_select="audio_frame_queue"
2119 libgme_demuxer_deps="libgme"
2120 libgsm_decoder_deps="libgsm"
2121 libgsm_encoder_deps="libgsm"
2122 libgsm_ms_decoder_deps="libgsm"
2123 libgsm_ms_encoder_deps="libgsm"
2124 libilbc_decoder_deps="libilbc"
2125 libilbc_encoder_deps="libilbc"
2126 libmodplug_demuxer_deps="libmodplug"
2127 libmp3lame_encoder_deps="libmp3lame"
2128 libmp3lame_encoder_select="audio_frame_queue"
2129 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2130 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2131 libopencore_amrnb_encoder_select="audio_frame_queue"
2132 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2133 libopenjpeg_decoder_deps="libopenjpeg"
2134 libopenjpeg_encoder_deps="libopenjpeg"
2135 libopus_decoder_deps="libopus"
2136 libopus_encoder_deps="libopus"
2137 libopus_encoder_select="audio_frame_queue"
2138 libquvi_demuxer_deps="libquvi"
2139 libschroedinger_decoder_deps="libschroedinger"
2140 libschroedinger_encoder_deps="libschroedinger"
2141 libshine_encoder_deps="libshine"
2142 libshine_encoder_select="audio_frame_queue"
2143 libspeex_decoder_deps="libspeex"
2144 libspeex_encoder_deps="libspeex"
2145 libspeex_encoder_select="audio_frame_queue"
2146 libstagefright_h264_decoder_deps="libstagefright_h264"
2147 libtheora_encoder_deps="libtheora"
2148 libtwolame_encoder_deps="libtwolame"
2149 libvo_aacenc_encoder_deps="libvo_aacenc"
2150 libvo_aacenc_encoder_select="audio_frame_queue"
2151 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2152 libvorbis_decoder_deps="libvorbis"
2153 libvorbis_encoder_deps="libvorbis"
2154 libvorbis_encoder_select="audio_frame_queue"
2155 libvpx_vp8_decoder_deps="libvpx"
2156 libvpx_vp8_encoder_deps="libvpx"
2157 libvpx_vp9_decoder_deps="libvpx"
2158 libvpx_vp9_encoder_deps="libvpx"
2159 libwavpack_encoder_deps="libwavpack"
2160 libwebp_encoder_deps="libwebp"
2161 libx264_encoder_deps="libx264"
2162 libx264rgb_encoder_deps="libx264"
2163 libxavs_encoder_deps="libxavs"
2164 libxvid_encoder_deps="libxvid"
2165 libutvideo_decoder_deps="libutvideo"
2166 libutvideo_encoder_deps="libutvideo"
2167 libzvbi_teletext_decoder_deps="libzvbi"
2170 ac3_demuxer_select="ac3_parser"
2171 asf_demuxer_select="riffdec"
2172 asf_muxer_select="riffenc"
2173 asf_stream_muxer_select="asf_muxer"
2174 avi_demuxer_select="riffdec"
2175 avi_muxer_select="riffenc"
2176 avisynth_demuxer_deps="avisynth"
2177 avisynth_demuxer_select="riffdec"
2178 caf_demuxer_select="riffdec"
2179 dirac_demuxer_select="dirac_parser"
2180 dts_demuxer_select="dca_parser"
2181 dtshd_demuxer_select="dca_parser"
2182 dxa_demuxer_select="riffdec"
2183 eac3_demuxer_select="ac3_parser"
2184 f4v_muxer_select="mov_muxer"
2185 flac_demuxer_select="flac_parser"
2186 hds_muxer_select="flv_muxer"
2187 hls_muxer_select="mpegts_muxer"
2188 ipod_muxer_select="mov_muxer"
2189 ismv_muxer_select="mov_muxer"
2190 libnut_demuxer_deps="libnut"
2191 libnut_muxer_deps="libnut"
2192 matroska_audio_muxer_select="matroska_muxer"
2193 matroska_demuxer_select="riffdec"
2194 matroska_demuxer_suggest="bzlib lzo zlib"
2195 matroska_muxer_select="riffenc"
2196 mmf_muxer_select="riffenc"
2197 mov_demuxer_select="riffdec"
2198 mov_demuxer_suggest="zlib"
2199 mov_muxer_select="riffenc rtpenc_chain"
2200 mp3_demuxer_select="mpegaudio_parser"
2201 mp4_muxer_select="mov_muxer"
2202 mpegts_muxer_select="adts_muxer latm_muxer"
2203 mpegtsraw_demuxer_select="mpegts_demuxer"
2204 mxf_d10_muxer_select="mxf_muxer"
2205 nut_muxer_select="riffenc"
2206 nuv_demuxer_select="riffdec"
2207 ogg_demuxer_select="golomb"
2208 psp_muxer_select="mov_muxer"
2209 rtp_demuxer_select="sdp_demuxer"
2210 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2211 rtsp_demuxer_select="http_protocol rtpdec"
2212 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2213 sap_demuxer_select="sdp_demuxer"
2214 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2215 sdp_demuxer_select="rtpdec"
2216 smoothstreaming_muxer_select="ismv_muxer"
2217 spdif_muxer_select="aac_parser"
2218 tak_demuxer_select="tak_parser"
2219 tg2_muxer_select="mov_muxer"
2220 tgp_muxer_select="mov_muxer"
2221 vobsub_demuxer_select="mpegps_demuxer"
2222 w64_demuxer_select="wav_demuxer"
2223 w64_muxer_select="wav_muxer"
2224 wav_demuxer_select="riffdec"
2225 wav_muxer_select="riffenc"
2226 webm_muxer_select="riffenc"
2227 wtv_demuxer_select="riffdec"
2228 xmv_demuxer_select="riffdec"
2229 xwma_demuxer_select="riffdec"
2232 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2233 alsa_outdev_deps="alsa_asoundlib_h"
2234 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2235 caca_outdev_deps="libcaca"
2236 dshow_indev_deps="IBaseFilter"
2237 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2238 dv1394_indev_deps="dv1394"
2239 dv1394_indev_select="dv_demuxer"
2240 fbdev_indev_deps="linux_fb_h"
2241 fbdev_outdev_deps="linux_fb_h"
2242 iec61883_indev_deps="libiec61883"
2243 jack_indev_deps="jack_jack_h sem_timedwait"
2244 lavfi_indev_deps="avfilter"
2245 libcdio_indev_deps="libcdio"
2246 libdc1394_indev_deps="libdc1394"
2247 libv4l2_indev_deps="libv4l2"
2248 openal_indev_deps="openal"
2249 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2250 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2251 pulse_indev_deps="libpulse"
2252 pulse_outdev_deps="libpulse"
2253 sdl_outdev_deps="sdl"
2254 sndio_indev_deps="sndio_h"
2255 sndio_outdev_deps="sndio_h"
2256 v4l_indev_deps="linux_videodev_h"
2257 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2258 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2259 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2260 vfwcap_indev_extralibs="-lavicap32"
2261 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2262 xv_outdev_extralibs="-lXv -lX11 -lXext"
2263 x11grab_indev_deps="x11grab"
2266 bluray_protocol_deps="libbluray"
2267 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2268 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2269 ffrtmpcrypt_protocol_select="tcp_protocol"
2270 ffrtmphttp_protocol_deps="!librtmp_protocol"
2271 ffrtmphttp_protocol_select="http_protocol"
2272 ftp_protocol_select="tcp_protocol"
2273 gopher_protocol_select="network"
2274 httpproxy_protocol_select="tcp_protocol"
2275 http_protocol_select="tcp_protocol"
2276 https_protocol_select="tls_protocol"
2277 librtmp_protocol_deps="librtmp"
2278 librtmpe_protocol_deps="librtmp"
2279 librtmps_protocol_deps="librtmp"
2280 librtmpt_protocol_deps="librtmp"
2281 librtmpte_protocol_deps="librtmp"
2282 libssh_protocol_deps="libssh"
2283 mmsh_protocol_select="http_protocol"
2284 mmst_protocol_select="network"
2285 rtmp_protocol_deps="!librtmp_protocol"
2286 rtmp_protocol_select="tcp_protocol"
2287 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2288 rtmps_protocol_deps="!librtmp_protocol"
2289 rtmps_protocol_select="tls_protocol"
2290 rtmpt_protocol_select="ffrtmphttp_protocol"
2291 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2292 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2293 rtp_protocol_select="udp_protocol"
2294 sctp_protocol_deps="struct_sctp_event_subscribe"
2295 sctp_protocol_select="network"
2296 srtp_protocol_select="rtp_protocol"
2297 tcp_protocol_select="network"
2298 tls_protocol_deps_any="openssl gnutls"
2299 tls_protocol_select="tcp_protocol"
2300 udp_protocol_select="network"
2301 unix_protocol_deps="sys_un_h"
2302 unix_protocol_select="network"
2305 aconvert_filter_deps="swresample"
2306 amovie_filter_deps="avcodec avformat"
2307 aresample_filter_deps="swresample"
2308 ass_filter_deps="libass"
2309 asyncts_filter_deps="avresample"
2310 atempo_filter_deps="avcodec"
2311 atempo_filter_select="rdft"
2312 azmq_filter_deps="libzmq"
2313 blackframe_filter_deps="gpl"
2314 boxblur_filter_deps="gpl"
2315 colormatrix_filter_deps="gpl"
2316 cropdetect_filter_deps="gpl"
2317 dctdnoiz_filter_deps="avcodec"
2318 dctdnoiz_filter_select="fft"
2319 delogo_filter_deps="gpl"
2320 deshake_filter_deps="avcodec"
2321 deshake_filter_select="dsputil"
2322 drawtext_filter_deps="libfreetype"
2323 ebur128_filter_deps="gpl"
2324 flite_filter_deps="libflite"
2325 frei0r_filter_deps="frei0r dlopen"
2326 frei0r_filter_extralibs='$ldl'
2327 frei0r_src_filter_deps="frei0r dlopen"
2328 frei0r_src_filter_extralibs='$ldl'
2329 geq_filter_deps="gpl"
2330 histeq_filter_deps="gpl"
2331 hqdn3d_filter_deps="gpl"
2332 interlace_filter_deps="gpl"
2333 kerndeint_filter_deps="gpl"
2334 ladspa_filter_deps="ladspa dlopen"
2335 mcdeint_filter_deps="avcodec gpl"
2336 movie_filter_deps="avcodec avformat"
2337 mp_filter_deps="gpl avcodec swscale inline_asm"
2338 mpdecimate_filter_deps="gpl avcodec"
2339 mptestsrc_filter_deps="gpl"
2340 negate_filter_deps="lut_filter"
2341 perspective_filter_deps="gpl"
2342 resample_filter_deps="avresample"
2343 ocv_filter_deps="libopencv"
2344 owdenoise_filter_deps="gpl"
2345 pan_filter_deps="swresample"
2346 phase_filter_deps="gpl"
2347 pp_filter_deps="gpl postproc"
2348 pullup_filter_deps="gpl"
2349 removelogo_filter_deps="avcodec avformat swscale"
2350 sab_filter_deps="gpl swscale"
2351 scale_filter_deps="swscale"
2352 smartblur_filter_deps="gpl swscale"
2353 showspectrum_filter_deps="avcodec"
2354 showspectrum_filter_select="rdft"
2355 spp_filter_deps="gpl avcodec"
2356 spp_filter_select="fft"
2357 stereo3d_filter_deps="gpl"
2358 subtitles_filter_deps="avformat avcodec libass"
2359 super2xsai_filter_deps="gpl"
2360 tinterlace_filter_deps="gpl"
2361 vidstabdetect_filter_deps="libvidstab"
2362 vidstabtransform_filter_deps="libvidstab"
2363 yadif_filter_deps="gpl"
2364 pixfmts_super2xsai_test_deps="super2xsai_filter"
2365 tinterlace_merge_test_deps="tinterlace_filter"
2366 tinterlace_pad_test_deps="tinterlace_filter"
2367 zmq_filter_deps="libzmq"
2370 decoding_encoding_example_deps="avcodec avutil"
2371 demuxing_decoding_example_deps="avcodec avformat avutil"
2372 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2373 filtering_video_example_deps="avfilter avcodec avformat avutil"
2374 metadata_example_deps="avformat avutil"
2375 muxing_example_deps="avcodec avformat avutil swscale"
2376 resampling_audio_example_deps="avutil swresample"
2377 scaling_video_example_deps="avutil swscale"
2378 transcode_aac_example_deps="avcodec avformat swresample"
2381 avcodec_deps="avutil"
2382 avdevice_deps="avutil avcodec avformat"
2383 avfilter_deps="avutil"
2384 avformat_deps="avutil avcodec"
2385 avresample_deps="avutil"
2386 postproc_deps="avutil gpl"
2387 swscale_deps="avutil"
2390 ffmpeg_deps="avcodec avfilter avformat swresample"
2391 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2393 setpts_filter trim_filter"
2394 ffplay_deps="avcodec avformat swscale swresample sdl"
2395 ffplay_select="rdft crop_filter"
2396 ffprobe_deps="avcodec avformat"
2397 ffserver_deps="avformat fork sarestart"
2398 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2399 ffserver_extralibs='$ldl'
2402 podpages_deps="perl"
2403 manpages_deps="perl pod2man"
2404 htmlpages_deps="perl texi2html"
2405 txtpages_deps="perl makeinfo"
2406 doc_deps_any="manpages htmlpages podpages txtpages"
2408 # default parameters
2410 logfile="config.log"
2412 # installation paths
2413 prefix_default="/usr/local"
2414 bindir_default='${prefix}/bin'
2415 datadir_default='${prefix}/share/ffmpeg'
2416 docdir_default='${prefix}/share/doc/ffmpeg'
2417 incdir_default='${prefix}/include'
2418 libdir_default='${prefix}/lib'
2419 mandir_default='${prefix}/share/man'
2420 shlibdir_default="$libdir_default"
2426 host_cc_default="gcc"
2432 pkg_config_default=pkg-config
2434 strip_default="strip"
2435 yasmexe_default="yasm"
2436 windres_default="windres"
2441 arch_default=$(uname -m)
2445 target_os_default=$(tolower $(uname -s))
2446 host_os=$target_os_default
2448 # configurable options
2449 enable $PROGRAM_LIST
2450 enable $DOCUMENT_LIST
2451 enable $EXAMPLE_LIST
2452 enable $(filter_out avresample $LIBRARY_LIST)
2458 enable optimizations
2459 enable runtime_cpudetect
2460 enable safe_bitstream_reader
2462 enable swscale_alpha
2464 # Enable hwaccels by default.
2465 enable dxva2 vaapi vdpau xvmc
2468 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2471 FULLNAME='$(NAME)$(BUILDSUF)'
2472 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2475 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2476 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2477 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2478 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2479 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2480 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2502 host_cppflags='-D_ISOC99_SOURCE'
2504 host_cflags_filter=echo
2505 host_ldflags_filter=echo
2507 target_path='$(CURDIR)'
2509 # since the object filename is not given with the -MM flag, the compiler
2510 # is only able to print the basename, and we must add the path ourselves
2511 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2515 if test -f configure; then
2518 source_path=$(cd $(dirname "$0"); pwd)
2519 echo "$source_path" | grep -q '[[:blank:]]' &&
2520 die "Out of tree builds are impossible with whitespace in source path."
2521 test -e "$source_path/config.h" &&
2522 die "Out of tree builds are impossible with config.h in source dir."
2529 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2535 file=$source_path/$3
2536 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2539 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2540 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2541 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2542 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2543 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2544 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2545 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2546 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2547 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2548 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2549 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2565 for n in $COMPONENT_LIST; do
2566 v=$(toupper ${n%s})_LIST
2568 eval ${n}_if_any="\$$v"
2571 enable $ARCH_EXT_LIST
2574 echo "Unknown option \"$1\"."
2575 echo "See $0 --help for available options."
2580 cat | tr ' ' '\n' | sort | pr -r -3 -t
2586 echo $* | sed s/$suffix//g | print_3_columns
2598 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2599 echo "prob ${prob:-0.5}"
2607 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2608 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2618 add_extralibs $optval
2621 disable $INDEV_LIST $OUTDEV_LIST
2624 debuglevel="$optval"
2627 disable $PROGRAM_LIST
2629 --disable-everything)
2630 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2633 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2634 disable $LIBRARY_LIST $PROGRAM_LIST doc
2636 --enable-random|--disable-random)
2637 action=${opt%%-random}
2638 do_random ${action#--} $COMPONENT_LIST
2640 --enable-random=*|--disable-random=*)
2641 action=${opt%%-random=*}
2642 do_random ${action#--} $optval
2644 --enable-*=*|--disable-*=*)
2645 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2646 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2647 eval list=\$$(toupper $thing)_LIST
2648 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2649 list=$(filter "$name" $list)
2650 [ "$list" = "" ] && warn "Option $opt did not match anything"
2653 --enable-?*|--disable-?*)
2654 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2655 if is_in $option $COMPONENT_LIST; then
2656 test $action = disable && action=unset
2657 eval $action \$$(toupper ${option%s})_LIST
2658 elif is_in $option $CMDLINE_SELECT; then
2665 NAME="${opt#--list-}"
2666 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2668 eval show_list $NAME \$$(toupper $NAME)_LIST
2670 --help|-h) show_help
2672 --fatal-warnings) enable fatal_warnings
2675 optname="${opt%%=*}"
2676 optname="${optname#--}"
2677 optname=$(echo "$optname" | sed 's/-/_/g')
2678 if is_in $optname $CMDLINE_SET; then
2679 eval $optname='$optval'
2680 elif is_in $optname $CMDLINE_APPEND; then
2681 append $optname "$optval"
2689 disabled logging && logfile=/dev/null
2691 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2694 test -n "$cross_prefix" && enable cross_compile
2696 if enabled cross_compile; then
2697 test -n "$arch" && test -n "$target_os" ||
2698 die "Must specify target arch and OS when cross-compiling"
2701 ar_default="${cross_prefix}${ar_default}"
2702 cc_default="${cross_prefix}${cc_default}"
2703 cxx_default="${cross_prefix}${cxx_default}"
2704 nm_default="${cross_prefix}${nm_default}"
2705 pkg_config_default="${cross_prefix}${pkg_config_default}"
2706 ranlib="${cross_prefix}${ranlib}"
2707 strip_default="${cross_prefix}${strip_default}"
2708 windres_default="${cross_prefix}${windres_default}"
2710 sysinclude_default="${sysroot}/usr/include"
2712 test -n "$valgrind" && toolchain="valgrind-memcheck"
2714 case "$toolchain" in
2717 add_cflags -fsanitize=address
2718 add_ldflags -fsanitize=address
2722 add_cflags -fsanitize=thread -pie
2723 add_ldflags -fsanitize=thread -pie
2727 add_cflags -fsanitize=address
2728 add_ldflags -fsanitize=address
2732 add_cflags -fsanitize=thread -pie -fPIC
2733 add_ldflags -fsanitize=thread -pie -fPIC
2736 target_exec_default=${valgrind:-"valgrind"}
2737 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"
2740 target_exec_default=${valgrind:-"valgrind"}
2741 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2744 # Check whether the current MSVC version needs the C99 converter.
2745 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2746 # support enough of C99 to build ffmpeg. Default to the new
2747 # behaviour if the regexp was unable to match anything, since this
2748 # successfully parses the version number of existing supported
2749 # versions that require the converter (MSVC 2010 and 2012).
2750 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2751 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2754 cc_default="c99wrap cl"
2757 nm_default="dumpbin -symbols"
2759 target_os_default="win32"
2760 # Use a relative path for TMPDIR. This makes sure all the
2761 # ffconf temp files are written with a relative path, avoiding
2762 # issues with msys/win32 path conversion for MSVC parameters
2763 # such as -Fo<file> or -out:<file>.
2769 nm_default="dumpbin -symbols"
2771 target_os_default="win32"
2775 add_cflags -fprofile-arcs -ftest-coverage
2776 add_ldflags -fprofile-arcs -ftest-coverage
2779 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2780 add_ldflags -Wl,-z,relro -Wl,-z,now
2783 die "Unknown toolchain $toolchain"
2787 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2788 enabled cross_compile || host_cc_default=$cc
2791 if ! $pkg_config --version >/dev/null 2>&1; then
2792 warn "$pkg_config not found, library detection may fail."
2798 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2802 EXESUF=$(exesuf $target_os)
2803 HOSTEXESUF=$(exesuf $host_os)
2805 # set temporary file name
2806 : ${TMPDIR:=$TEMPDIR}
2810 if [ -n "$tempprefix" ] ; then
2812 echo $tempprefix.${HOSTNAME}.${UID}
2814 elif ! check_cmd mktemp -u XXXXXX; then
2815 # simple replacement for missing mktemp
2816 # NOT SAFE FOR GENERAL USE
2818 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2823 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2824 (set -C; exec > $tmp) 2>/dev/null ||
2825 die "Unable to create temporary file in $TMPDIR."
2826 append TMPFILES $tmp
2830 trap 'rm -f -- $TMPFILES' EXIT
2835 tmpfile TMPE $EXESUF
2846 # make sure we can execute files in $TMPDIR
2847 cat > $TMPSH 2>> $logfile <<EOF
2850 chmod +x $TMPSH >> $logfile 2>&1
2851 if ! $TMPSH >> $logfile 2>&1; then
2853 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2854 variable to another directory and make sure that it is not mounted noexec.
2856 die "Sanity test failed."
2862 -std=c99) echo -c99 ;;
2863 -mcpu=*) echo -arch ${flag#*=} ;;
2864 -mieee) echo -ieee ;;
2865 -O*|-fast) echo $flag ;;
2866 -fno-math-errno) echo -assume nomath_errno ;;
2868 -Wall) echo -msg_enable level2 ;;
2869 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2870 -Wl,*) echo $flag ;;
2880 -Wno-switch) echo -Wno-switch-enum ;;
2881 -Wno-format-zero-length) ;;
2882 -Wdisabled-optimization) ;;
2883 -Wno-pointer-sign) echo -Wno-other ;;
2889 msvc_common_flags(){
2892 # In addition to specifying certain flags under the compiler
2893 # specific filters, they must be specified here as well or else the
2894 # generic catch all at the bottom will print the original flag.
2898 -fomit-frame-pointer) ;;
2902 -fno-signed-zeros) ;;
2906 -lz) echo zlib.lib ;;
2907 -lavifil32) echo vfw32.lib ;;
2908 -lavicap32) echo vfw32.lib user32.lib ;;
2909 -l*) echo ${flag#-l}.lib ;;
2916 msvc_common_flags "$@"
2919 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2920 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2921 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2929 msvc_common_flags "$@"
2932 # Despite what Intel's documentation says -Wall, which is supported
2933 # on Windows, does enable remarks so disable them here.
2934 -Wall) echo $flag -Qdiag-disable:remark ;;
2935 -std=c99) echo -Qstd=c99 ;;
2943 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2944 -fomit-frame-pointer) echo -Mnoframe ;;
2955 case "${flag#*=}" in
2956 native) echo -xtarget=native ;;
2957 v9|niagara) echo -xarch=sparc ;;
2958 ultrasparc) echo -xarch=sparcvis ;;
2959 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2960 i586|pentium) echo -xchip=pentium ;;
2961 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2962 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2963 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2964 pentium4*) echo -xtarget=pentium4 ;;
2965 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2966 *-sse3) echo -xarch=sse3 ;;
2967 core2) echo -xarch=ssse3 -xchip=core2 ;;
2968 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2969 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2970 amdfam10|barcelona) echo -xtarget=barcelona ;;
2971 bdver*) echo -xarch=avx ;;
2972 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2973 k8|opteron|athlon64|athlon-fx)
2974 echo -xarch=sse2a ;;
2975 athlon*) echo -xarch=pentium_proa ;;
2978 -std=c99) echo -xc99 ;;
2979 -fomit-frame-pointer) echo -xregs=frameptr ;;
2980 -fPIC) echo -KPIC -xcode=pic32 ;;
2981 -W*,*) echo $flag ;;
2982 -f*-*|-W*|-mimpure-text) ;;
2993 case "${flag#*=}" in
2994 armv7-a|cortex-a*) echo -mv=7a8 ;;
2995 armv7-r|cortex-r*) echo -mv=7r4 ;;
2996 armv7-m|cortex-m*) echo -mv=7m3 ;;
2997 armv6*|arm11*) echo -mv=6 ;;
2998 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3000 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3003 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3004 -mfpu=vfp) echo --float_support=vfpv2 ;;
3005 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3006 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3007 -msoft-float) echo --float_support=vfplib ;;
3008 -O[0-3]|-mf=*) echo $flag ;;
3010 -pds=*) echo $flag ;;
3011 -D*|-I*) echo $flag ;;
3012 --gcc|--abi=*) echo $flag ;;
3022 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3023 unset _ld_o _ldflags _ld_lib _ld_path
3024 unset _depflags _DEPCMD _DEPFLAGS
3027 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3028 true # no-op to avoid reading stdin in following checks
3029 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3031 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3032 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3033 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3036 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3038 gcc_version=$($_cc --version | head -n1)
3039 gcc_basever=$($_cc -dumpversion)
3040 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3041 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3042 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3043 if ! $_cc -dumpversion | grep -q '^2\.'; then
3044 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3048 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3050 _ident=$($_cc --version | head -n1)
3055 elif $_cc -v 2>&1 | grep -q xlc; then
3057 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3059 _cflags_size='-O5 -qcompact'
3060 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3062 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3064 _cflags_speed='-fast'
3066 _flags_filter=ccc_flags
3067 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3068 test -d "$sysroot" || die "No valid sysroot specified."
3070 _ident=$($_cc --vsn | head -n1)
3071 armcc_conf="$PWD/armcc.conf"
3072 $_cc --arm_linux_configure \
3073 --arm_linux_config_file="$armcc_conf" \
3074 --configure_sysroot="$sysroot" \
3075 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3076 die "Error creating armcc configuration file."
3077 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3078 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3079 as_default="${cross_prefix}gcc"
3083 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3085 _ident=$($_cc -version | head -n1 | tr -s ' ')
3086 _flags='--gcc --abi=eabi -me'
3089 _depflags='-ppa -ppd=$(@:.o=.d)'
3090 _cflags_speed='-O3 -mf=5'
3091 _cflags_size='-O3 -mf=2'
3092 _flags_filter=tms470_flags
3093 elif $_cc -v 2>&1 | grep -q clang; then
3095 _ident=$($_cc --version | head -n1)
3099 elif $_cc -V 2>&1 | grep -q Sun; then
3101 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3102 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3103 _DEPFLAGS='-xM1 -xc99'
3106 _cflags_size='-O5 -xspace'
3107 _flags_filter=suncc_flags
3108 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3110 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3111 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3114 _flags_filter='filter_out -Wdisabled-optimization'
3115 elif $_cc -v 2>&1 | grep -q Open64; then
3117 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3118 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3121 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3122 elif $_cc -V 2>&1 | grep -q Portland; then
3124 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3125 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3126 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3127 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3129 _flags_filter=pgi_flags
3130 elif $_cc 2>&1 | grep -q Microsoft; then
3132 _ident=$($cc 2>&1 | head -n1)
3133 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3134 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3137 if $_cc 2>&1 | grep -q Linker; then
3144 _flags_filter=msvc_flags
3146 _ld_path='-libpath:'
3148 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3149 if [ $pfx = hostcc ]; then
3150 append _cflags -Dsnprintf=_snprintf
3153 elif $_cc 2>&1 | grep -q Intel; then
3155 _ident=$($cc 2>&1 | head -n1)
3156 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3157 # Not only is O3 broken on 13.x+ but it is slower on all previous
3158 # versions (tested) as well.
3160 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3161 if $_cc 2>&1 | grep -q Linker; then
3168 _flags_filter=icl_flags
3170 _ld_path='-libpath:'
3171 # -Qdiag-error to make icl error when seeing certain unknown arguments
3172 _flags='-nologo -Qdiag-error:4044,10157'
3173 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3174 # with MSVC which enables it by default.
3175 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3176 if [ $pfx = hostcc ]; then
3177 append _cflags -Dsnprintf=_snprintf
3179 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3181 _ident=$($_cc --version | head -n1)
3185 _flags_filter=cparser_flags
3188 eval ${pfx}_type=\$_type
3189 eval ${pfx}_ident=\$_ident
3193 eval ${1}_C=\${_cc_c-\${${1}_C}}
3194 eval ${1}_E=\${_cc_e-\${${1}_E}}
3195 eval ${1}_O=\${_cc_o-\${${1}_O}}
3197 if [ -n "$_depflags" ]; then
3198 eval ${1}_DEPFLAGS=\$_depflags
3200 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3201 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3202 eval DEP${1}FLAGS=\$_flags
3207 cflags_filter=$_flags_filter
3208 cflags_speed=$_cflags_speed
3209 cflags_size=$_cflags_size
3210 cflags_noopt=$_cflags_noopt
3211 add_cflags $_flags $_cflags
3212 cc_ldflags=$_ldflags
3215 probe_cc hostcc "$host_cc"
3216 host_cflags_filter=$_flags_filter
3217 add_host_cflags $_flags $_cflags
3220 test -n "$cc_type" && enable $cc_type ||
3221 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3223 : ${as_default:=$cc}
3224 : ${dep_cc_default:=$cc}
3225 : ${ld_default:=$cc}
3226 : ${host_ld_default:=$host_cc}
3227 set_default ar as dep_cc ld host_ld windres
3230 asflags_filter=$_flags_filter
3231 add_asflags $_flags $_cflags
3235 ldflags_filter=$_flags_filter
3236 add_ldflags $_flags $_ldflags
3237 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3239 LD_LIB=${_ld_lib-$LD_LIB}
3240 LD_PATH=${_ld_path-$LD_PATH}
3242 probe_cc hostld "$host_ld"
3243 host_ldflags_filter=$_flags_filter
3244 add_host_ldflags $_flags $_ldflags
3245 HOSTLD_O=${_ld_o-$HOSTLD_O}
3247 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3248 probe_cc depcc "$dep_cc"
3249 CCDEP=${_DEPCMD:-$DEPCMD}
3250 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3254 if $ar 2>&1 | grep -q Microsoft; then
3257 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3260 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3261 arflags='-Xany -r -c'
3268 add_cflags $extra_cflags
3269 add_cxxflags $extra_cxxflags
3270 add_asflags $extra_cflags
3272 if test -n "$sysroot"; then
3275 add_cppflags --sysroot="$sysroot"
3276 add_ldflags --sysroot="$sysroot"
3279 add_cppflags -I"$sysinclude"
3280 add_ldflags --sysroot="$sysroot"
3285 if test "$cpu" = host; then
3286 enabled cross_compile &&
3287 die "--cpu=host makes no sense when cross-compiling."
3292 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3294 s/.*$1=\\([^ ]*\\).*/\\1/
3299 cpu=$(check_native -march || check_native -mcpu)
3303 test "${cpu:-host}" = host &&
3304 die "--cpu=host not supported with compiler $cc"
3307 # Deal with common $arch aliases
3321 "Power Macintosh"|ppc*|powerpc*)
3336 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3341 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3344 # Add processor-specific flags
3345 if enabled aarch64; then
3349 cpuflags="-march=$cpu"
3352 cpuflags="-mcpu=$cpu"
3356 elif enabled alpha; then
3358 cpuflags="-mcpu=$cpu"
3360 elif enabled arm; then
3363 check_cpp_condition stddef.h \
3364 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3369 if check_arm_arch 4; then echo armv4;
3370 elif check_arm_arch 4T; then echo armv4t;
3371 elif check_arm_arch 5; then echo armv5;
3372 elif check_arm_arch 5E; then echo armv5e;
3373 elif check_arm_arch 5T; then echo armv5t;
3374 elif check_arm_arch 5TE; then echo armv5te;
3375 elif check_arm_arch 5TEJ; then echo armv5te;
3376 elif check_arm_arch 6; then echo armv6;
3377 elif check_arm_arch 6J; then echo armv6j;
3378 elif check_arm_arch 6K; then echo armv6k;
3379 elif check_arm_arch 6Z; then echo armv6z;
3380 elif check_arm_arch 6ZK; then echo armv6zk;
3381 elif check_arm_arch 6T2; then echo armv6t2;
3382 elif check_arm_arch 7; then echo armv7;
3383 elif check_arm_arch 7A 7_A; then echo armv7-a;
3384 elif check_arm_arch 7R 7_R; then echo armv7-r;
3385 elif check_arm_arch 7M 7_M; then echo armv7-m;
3386 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3387 elif check_arm_arch 8A 8_A; then echo armv8-a;
3391 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3395 cpuflags="-march=$cpu"
3396 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3399 cpuflags="-mcpu=$cpu"
3401 cortex-a*) subarch=armv7a ;;
3402 cortex-r*) subarch=armv7r ;;
3403 cortex-m*) enable thumb; subarch=armv7m ;;
3404 arm11*) subarch=armv6 ;;
3405 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3406 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3407 *) subarch=$(probe_arm_arch) ;;
3413 armv5t*) enable fast_clz ;;
3414 armv[6-8]*) enable fast_clz fast_unaligned ;;
3417 elif enabled avr32; then
3422 cpuflags="-mpart=$cpu"
3426 cpuflags="-march=$cpu"
3430 cpuflags="-mcpu=$cpu"
3434 cpuflags="-march=$cpu"
3438 elif enabled bfin; then
3440 cpuflags="-mcpu=$cpu"
3442 elif enabled mips; then
3444 cpuflags="-march=$cpu"
3460 24kef*|34kf*|1004kf*)
3468 elif enabled ppc; then
3470 case $(tolower $cpu) in
3471 601|ppc601|powerpc601)
3472 cpuflags="-mcpu=601"
3475 603*|ppc603*|powerpc603*)
3476 cpuflags="-mcpu=603"
3479 604*|ppc604*|powerpc604*)
3480 cpuflags="-mcpu=604"
3483 g3|75*|ppc75*|powerpc75*)
3484 cpuflags="-mcpu=750"
3487 g4|745*|ppc745*|powerpc745*)
3488 cpuflags="-mcpu=7450"
3490 74*|ppc74*|powerpc74*)
3491 cpuflags="-mcpu=7400"
3493 g5|970|ppc970|powerpc970)
3494 cpuflags="-mcpu=970"
3497 cpuflags="-mcpu=$cpu"
3500 cpuflags="-mcpu=cell"
3504 cpuflags="-mcpu=e500mc"
3508 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3512 cpuflags="-mcpu=8540 -mhard-float"
3517 elif enabled sparc; then
3520 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3521 cpuflags="-mcpu=$cpu"
3524 ultrasparc*|niagara[234])
3525 cpuflags="-mcpu=$cpu"
3529 elif enabled x86; then
3533 cpuflags="-march=$cpu"
3536 # targets that do NOT support nopl and conditional mov (cmov)
3537 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3538 cpuflags="-march=$cpu"
3541 # targets that do support nopl and conditional mov (cmov)
3542 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*)
3543 cpuflags="-march=$cpu"
3547 # targets that do support conditional mov but on which it's slow
3548 pentium4|pentium4m|prescott|nocona)
3549 cpuflags="-march=$cpu"
3557 if [ "$cpu" != generic ]; then
3558 add_cflags $cpuflags
3559 add_asflags $cpuflags
3562 # compiler sanity check
3564 int main(void){ return 0; }
3566 if test "$?" != 0; then
3567 echo "$cc is unable to create an executable file."
3568 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3569 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3570 echo "Only do this if you know what cross compiling means."
3572 die "C compiler test failed."
3575 add_cppflags -D_ISOC99_SOURCE
3576 add_cxxflags -D__STDC_CONSTANT_MACROS
3577 check_cflags -std=c99
3578 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3581 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3585 check_host_cflags -std=c99
3586 check_host_cflags -Wall
3592 check_code cc "" "int test[2*($expr) - 1]" &&
3593 subarch=$arch64 || subarch=$arch32
3601 check_64bit mips mips64 '_MIPS_SIM > 1'
3605 check_64bit parisc parisc64 'sizeof(void *) > 4'
3609 check_64bit ppc ppc64 'sizeof(void *) > 4'
3613 check_64bit sparc sparc64 'sizeof(void *) > 4'
3617 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3618 if test "$subarch" = "x86_64"; then
3623 check_cc <<EOF && subarch="ppc64"
3624 int test[(int)sizeof(char*) - 7];
3630 enabled spic && enable_weak pic
3636 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3637 enabled shared && add_ldflags -Wl,-brtl
3640 prefix_default="/boot/common"
3641 network_extralibs="-lnetwork"
3645 SHFLAGS='-shared -Wl,-h,$$(@F)'
3646 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3647 network_extralibs="-lsocket -lnsl"
3648 # When using suncc to build, the Solaris linker will mark
3649 # an executable with each instruction set encountered by
3650 # the Solaris assembler. As our libraries contain their own
3651 # guards for processor-specific code, instead suppress
3652 # generation of the HWCAPS ELF section on Solaris x86 only.
3653 enabled_all suncc x86 &&
3654 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3655 add_ldflags -Wl,-M,mapfile
3656 nm_default='nm -P -g'
3660 oss_indev_extralibs="-lossaudio"
3661 oss_outdev_extralibs="-lossaudio"
3662 enabled gcc || check_ldflags -Wl,-zmuldefs
3667 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3669 oss_indev_extralibs="-lossaudio"
3670 oss_outdev_extralibs="-lossaudio"
3678 add_extralibs -lpoll -lgnugetopt
3682 gas="gas-preprocessor.pl $cc"
3683 enabled ppc && add_asflags -force_cpusubtype_ALL
3684 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3685 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3687 add_ldflags -Wl,-dynamic,-search_paths_first
3689 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3690 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3692 enabled x86_64 && objformat="macho64"
3693 enabled_any pic shared ||
3694 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3697 if test $target_os = "mingw32ce"; then
3703 if enabled x86_64; then
3704 LIBTARGET="i386:x86-64"
3705 elif enabled arm; then
3708 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3709 check_ldflags -Wl,--nxcompat
3710 check_ldflags -Wl,--dynamicbase
3711 shlibdir_default="$bindir_default"
3714 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3715 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3716 dlltool="${cross_prefix}dlltool"
3717 if check_cmd lib.exe -list; then
3718 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3719 if enabled x86_64; then
3722 elif check_cmd $dlltool --version; then
3723 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3725 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3727 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3728 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3729 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3736 if enabled shared; then
3737 # Link to the import library instead of the normal static library
3740 # Cannot build both shared and static libs with MSVC or icl.
3743 shlibdir_default="$bindir_default"
3746 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3747 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3748 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3749 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3751 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3752 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3753 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3760 shlibdir_default="$bindir_default"
3763 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3764 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3765 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3767 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3768 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3771 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3773 *-dos|freedos|opendos)
3774 network_extralibs="-lsocket"
3777 add_cppflags -U__STRICT_ANSI__
3784 ranlib="echo ignoring ranlib"
3790 add_cppflags -D_GNU_SOURCE
3791 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3792 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3796 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3797 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3798 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3799 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3800 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3801 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3802 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3803 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3804 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3805 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3806 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3808 enable_weak os2threads
3811 add_cppflags -D_BSD_SOURCE
3816 add_cppflags -D_QNX_SOURCE
3817 network_extralibs="-lsocket"
3822 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3823 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3824 add_ldflags -Wl,--target1-abs,--no-undefined \
3825 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3826 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3827 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3828 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3829 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3832 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3837 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3838 -D_REENTRANT_SOURCE \
3839 -D_RESEARCH_SOURCE \
3842 add_compat strtod.o strtod=avpriv_strtod
3843 network_extralibs='-lbsd'
3844 exeobjs=compat/plan9/main.o
3851 die "Unknown OS '$target_os'."
3855 # determine libc flavour
3860 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3861 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3862 eval ${pfx}libc_type=uclibc
3863 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3864 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3865 eval ${pfx}libc_type=glibc
3866 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3867 # MinGW headers can be installed on Cygwin, so check for newlib first.
3868 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3869 eval ${pfx}libc_type=newlib
3870 add_${pfx}cppflags -U__STRICT_ANSI__
3871 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3872 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3873 eval ${pfx}libc_type=mingw64
3874 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3875 add_compat msvcrt/snprintf.o
3876 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3878 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3879 eval test \$${pfx_no_}cc_type = "gcc" &&
3880 add_${pfx}cppflags -D__printf__=__gnu_printf__
3881 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3882 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3883 eval ${pfx}libc_type=mingw32
3884 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3885 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3886 die "ERROR: MinGW32 runtime version must be >= 3.15."
3887 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3888 eval test \$${pfx_no_}cc_type = "gcc" &&
3889 add_${pfx}cppflags -D__printf__=__gnu_printf__
3890 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3891 eval ${pfx}libc_type=msvcrt
3892 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3893 # 0x601 by default unless something else is set by the user.
3894 # This can easily lead to us detecting functions only present
3895 # in such new versions and producing binaries requiring windows 7.0.
3896 # Therefore explicitly set the default to XP unless the user has
3897 # set something else on the command line.
3898 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3899 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3900 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3901 eval ${pfx}libc_type=klibc
3902 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3903 eval ${pfx}libc_type=bionic
3904 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3905 eval ${pfx}libc_type=solaris
3906 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3911 test -n "$libc_type" && enable libc_$libc_type
3913 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3917 add_compat strtod.o strtod=avpriv_strtod
3920 add_compat strtod.o strtod=avpriv_strtod
3921 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3922 _snprintf=avpriv_snprintf \
3923 vsnprintf=avpriv_vsnprintf
3927 # hacks for compiler/libc/os combinations
3929 if enabled_all tms470 libc_glibc; then
3930 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3931 add_cppflags -D__USER_LABEL_PREFIX__=
3932 add_cppflags -D__builtin_memset=memset
3933 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3934 add_cflags -pds=48 # incompatible redefinition of macro
3937 if enabled_all ccc libc_glibc; then
3938 add_ldflags -Wl,-z,now # calls to libots crash without this
3942 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3945 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3947 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3949 set_default $PATHS_LIST
3952 # we need to build at least one lib type
3953 if ! enabled_any static shared; then
3955 At least one library type must be built.
3956 Specify --enable-static to build the static libraries or --enable-shared to
3957 build the shared libraries as well. To only build the shared libraries specify
3958 --disable-static in addition to --enable-shared.
3963 # backward compatibility layer for incompatible_libav/fork_abi
3964 enabled incompatible_fork_abi && enable incompatible_libav_abi
3965 enabled incompatible_libav_abi && enable incompatible_fork_abi
3967 die_license_disabled() {
3968 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3971 die_license_disabled_gpl() {
3972 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3975 die_license_disabled gpl frei0r
3976 die_license_disabled gpl libcdio
3977 die_license_disabled gpl libutvideo
3978 die_license_disabled gpl libvidstab
3979 die_license_disabled gpl libx264
3980 die_license_disabled gpl libxavs
3981 die_license_disabled gpl libxvid
3982 die_license_disabled gpl libzvbi
3983 die_license_disabled gpl x11grab
3985 die_license_disabled nonfree libaacplus
3986 die_license_disabled nonfree libfaac
3987 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3988 enabled gpl && die_license_disabled_gpl nonfree openssl
3990 die_license_disabled version3 libopencore_amrnb
3991 die_license_disabled version3 libopencore_amrwb
3992 die_license_disabled version3 libvo_aacenc
3993 die_license_disabled version3 libvo_amrwbenc
3995 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3997 disabled optimizations || check_cflags -fomit-frame-pointer
4000 disabled pic && return
4003 case "$target_os" in
4013 enabled pic && enable_weak_pic
4015 check_cc <<EOF || die "Symbol mangling check failed."
4018 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4019 extern_prefix=${sym%%ff_extern*}
4021 check_cc <<EOF && enable_weak inline_asm
4022 void foo(void) { __asm__ volatile ("" ::); }
4026 for restrict_keyword in restrict __restrict__ __restrict; do
4027 check_cc <<EOF && _restrict=$restrict_keyword && break
4028 void foo(char * $restrict_keyword p);
4032 check_cc <<EOF && enable pragma_deprecated
4033 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4036 check_cc <<EOF && enable attribute_packed
4037 struct { int x; } __attribute__((packed)) x;
4040 check_cc <<EOF && enable attribute_may_alias
4041 union { int x; } __attribute__((may_alias)) x;
4044 check_cc <<EOF || die "endian test failed"
4045 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4047 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4049 check_inline_asm inline_asm_labels '"1:\n"'
4051 if enabled alpha; then
4055 elif enabled arm; then
4057 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4058 float func(float a, float b){ return a+b; }
4061 enabled thumb && check_cflags -mthumb || check_cflags -marm
4064 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4066 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4067 case "${cross_prefix:-$cc}" in
4068 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4069 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4070 __asm__ (".eabi_attribute 28, 1");
4071 int main(void) { return 0; }
4074 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4077 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4078 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4079 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4080 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4081 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4082 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4084 [ $target_os = linux ] ||
4085 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4088 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4089 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
4091 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4093 elif enabled mips; then
4095 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4096 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4097 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4098 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4099 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4100 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4101 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4102 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4103 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4105 elif enabled parisc; then
4107 if enabled gcc; then
4108 case $($cc -dumpversion) in
4109 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4113 elif enabled ppc; then
4115 enable local_aligned_8 local_aligned_16
4117 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4118 check_inline_asm ibm_asm '"add 0, 0, 0"'
4119 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4120 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4122 # AltiVec flags: The FSF version of GCC differs from the Apple version
4123 if enabled altivec; then
4124 if ! enabled_any pic ppc64; then
4127 check_cflags -maltivec -mabi=altivec &&
4128 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4129 check_cflags -faltivec
4131 # check if our compiler supports Motorola AltiVec C API
4132 check_cc <<EOF || disable altivec
4135 vector signed int v1 = (vector signed int) { 0 };
4136 vector signed int v2 = (vector signed int) { 1 };
4137 v1 = vec_add(v1, v2);
4142 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4145 elif enabled sparc; then
4147 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4149 elif enabled x86; then
4151 check_builtin rdtsc intrin.h "__rdtsc()"
4152 check_builtin mm_empty mmintrin.h "_mm_empty()"
4154 enable local_aligned_8 local_aligned_16
4156 # check whether EBP is available on x86
4157 # As 'i' is stored on the stack, this program will crash
4158 # if the base pointer is used to access it because the
4159 # base pointer is cleared in the inline assembly code.
4160 check_exec_crash <<EOF && enable ebp_available
4162 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4166 # check whether EBX is available on x86
4167 check_inline_asm ebx_available '""::"b"(0)' &&
4168 check_inline_asm ebx_available '"":::"%ebx"'
4170 # check whether xmm clobbers are supported
4171 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4173 # check whether binutils is new enough to compile SSSE3/MMXEXT
4174 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4175 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4177 if ! disabled_any asm mmx yasm; then
4178 if check_cmd $yasmexe --version; then
4179 enabled x86_64 && yasm_extra="-m amd64"
4180 yasm_debug="-g dwarf2"
4181 elif check_cmd nasm -v; then
4183 yasm_debug="-g -F dwarf"
4184 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4187 YASMFLAGS="-f $objformat $yasm_extra"
4188 enabled pic && append YASMFLAGS "-DPIC"
4189 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4190 case "$objformat" in
4191 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4194 check_yasm "movbe ecx, [5]" && enable yasm ||
4195 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4196 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4197 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4198 check_yasm "CPU amdnop" && enable cpunop
4202 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4209 if enabled asm; then
4211 check_as <<EOF && enable gnu_as || \
4212 $nogas "GNU assembler not found, install gas-preprocessor"
4220 check_ldflags -Wl,--as-needed
4222 if check_func dlopen; then
4224 elif check_func dlopen -ldl; then
4228 if ! disabled network; then
4229 check_type "sys/types.h sys/socket.h" socklen_t
4230 check_type netdb.h "struct addrinfo"
4231 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4232 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4233 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4234 check_type netinet/in.h "struct sockaddr_in6"
4235 check_type poll.h "struct pollfd"
4236 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4237 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4238 check_type netinet/sctp.h "struct sctp_event_subscribe"
4239 check_func getaddrinfo $network_extralibs
4240 check_func getservbyport $network_extralibs
4241 # Prefer arpa/inet.h over winsock2
4242 if check_header arpa/inet.h ; then
4243 check_func closesocket
4244 elif check_header winsock2.h ; then
4245 check_func_headers winsock2.h closesocket -lws2 &&
4246 network_extralibs="-lws2" ||
4247 { check_func_headers winsock2.h closesocket -lws2_32 &&
4248 network_extralibs="-lws2_32"; }
4249 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4250 check_type ws2tcpip.h socklen_t
4251 check_type ws2tcpip.h "struct addrinfo"
4252 check_type ws2tcpip.h "struct group_source_req"
4253 check_type ws2tcpip.h "struct ip_mreq_source"
4254 check_type ws2tcpip.h "struct ipv6_mreq"
4255 check_type winsock2.h "struct pollfd"
4256 check_type ws2tcpip.h "struct sockaddr_in6"
4257 check_type ws2tcpip.h "struct sockaddr_storage"
4258 check_struct winsock2.h "struct sockaddr" sa_len
4264 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4265 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4268 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4271 check_func_headers stdlib.h getenv
4272 check_func gethrtime
4274 check_func getrusage
4275 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4276 check_func gettimeofday
4277 check_func inet_aton $network_extralibs
4279 check_func localtime_r
4280 check_func ${malloc_prefix}memalign && enable memalign
4284 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4285 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4286 check_func setrlimit
4287 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4288 check_func strerror_r
4289 check_func sched_getaffinity
4290 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4291 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4292 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4293 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4294 check_builtin sarestart signal.h "SA_RESTART"
4298 check_func_headers conio.h kbhit
4299 check_func_headers windows.h PeekNamedPipe
4300 check_func_headers io.h setmode
4301 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4302 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4303 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4304 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4305 check_func_headers windows.h GetProcessAffinityMask
4306 check_func_headers windows.h GetProcessTimes
4307 check_func_headers windows.h GetSystemTimeAsFileTime
4308 check_func_headers windows.h MapViewOfFile
4309 check_func_headers windows.h SetConsoleTextAttribute
4310 check_func_headers windows.h Sleep
4311 check_func_headers windows.h VirtualAlloc
4312 check_func_headers glob.h glob
4313 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4315 check_header cl/cl.h
4316 check_header direct.h
4317 check_header dlfcn.h
4319 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4321 check_header libcrystalhd/libcrystalhd_if.h
4322 check_header malloc.h
4324 check_header sys/mman.h
4325 check_header sys/param.h
4326 check_header sys/resource.h
4327 check_header sys/select.h
4328 check_header sys/time.h
4329 check_header sys/un.h
4330 check_header termios.h
4331 check_header unistd.h
4332 check_header vdpau/vdpau.h
4333 check_header vdpau/vdpau_x11.h
4334 check_header VideoDecodeAcceleration/VDADecoder.h
4335 check_header windows.h
4336 check_header X11/extensions/XvMClib.h
4337 check_header asm/types.h
4339 if ! disabled w32threads && ! enabled pthreads; then
4340 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4343 # check for some common methods of building with pthread support
4344 # do this before the optional library checks as some of them require pthreads
4345 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4347 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4349 add_extralibs -pthread
4350 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4351 add_cflags -pthreads
4352 add_extralibs -pthreads
4353 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4354 add_extralibs -lpthreadGC2
4355 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4357 elif ! check_func pthread_join && ! check_func pthread_create; then
4362 for thread in $THREADS_LIST; do
4363 if enabled $thread; then
4364 test -n "$thread_type" &&
4365 die "ERROR: Only one thread type must be selected." ||
4366 thread_type="$thread"
4370 if enabled pthreads; then
4371 check_func pthread_cancel
4374 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4375 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4377 check_lib math.h sin -lm && LIBM="-lm"
4378 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4384 for func in $MATH_FUNCS; do
4385 eval check_mathfunc $func \${${func}_args:-1}
4388 # these are off by default, so fail if requested and not available
4389 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4390 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4391 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4392 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4393 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4394 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4395 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4396 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4397 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4398 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4399 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4400 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4401 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4402 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4403 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4404 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4405 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4406 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"
4407 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4408 enabled libfreetype && require_libfreetype
4409 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4410 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4411 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4412 done || die "ERROR: libgsm not found"; }
4413 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4414 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4415 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4416 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4417 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4418 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4419 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4420 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4421 check_lib openjpeg.h opj_version -lopenjpeg ||
4422 die "ERROR: libopenjpeg not found"; }
4423 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4424 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4425 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4426 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4427 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4428 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4429 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4430 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4431 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4432 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4433 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4434 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4435 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4436 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4437 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4438 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4439 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4440 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4441 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4442 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4443 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4444 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4446 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4447 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4448 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 ||
4449 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4450 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4451 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; } }
4452 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4453 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4454 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4455 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4456 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4457 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4458 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4459 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4460 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4461 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4462 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4463 die "ERROR: openal not found"; } &&
4464 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4465 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4466 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4467 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4468 die "ERROR: opencl not found"; } &&
4469 { ! enabled_any w32threads os2threads ||
4470 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4471 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4472 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4473 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4474 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4475 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4476 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4477 die "ERROR: openssl not found"; }
4479 if enabled gnutls; then
4480 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4481 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4485 if enabled libdc1394; then
4486 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4487 enable libdc1394_2; } ||
4488 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4489 enable libdc1394_1; } ||
4490 die "ERROR: No version of libdc1394 found "
4493 SDL_CONFIG="${cross_prefix}sdl-config"
4494 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4495 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4496 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4499 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4500 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4501 sdl_libs=$("${SDL_CONFIG}" --libs)
4502 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4503 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4504 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4508 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4510 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4511 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4512 perl -v > /dev/null 2>&1 && enable perl || disable perl
4513 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4514 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4516 check_header linux/fb.h
4517 check_header linux/videodev.h
4518 check_header linux/videodev2.h
4519 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4521 check_header sys/videoio.h
4523 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4524 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4525 # w32api 3.12 had it defined wrong
4526 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4528 check_type "dshow.h" IBaseFilter
4530 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4531 { check_header dev/bktr/ioctl_meteor.h &&
4532 check_header dev/bktr/ioctl_bt848.h; } ||
4533 { check_header machine/ioctl_meteor.h &&
4534 check_header machine/ioctl_bt848.h; } ||
4535 { check_header dev/video/meteor/ioctl_meteor.h &&
4536 check_header dev/video/bktr/ioctl_bt848.h; } ||
4537 check_header dev/ic/bt8xx.h
4539 check_header sndio.h
4540 if check_struct sys/soundcard.h audio_buf_info bytes; then
4541 enable_safe sys/soundcard.h
4543 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4544 #include <sys/soundcard.h>
4548 check_header soundcard.h
4550 enabled_any alsa_indev alsa_outdev &&
4551 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4553 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4554 check_func jack_port_get_latency_range -ljack
4556 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4558 if enabled libcdio; then
4559 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4560 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4561 die "ERROR: libcdio-paranoia not found"
4564 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4567 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4568 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4569 { enabled xlib || die "ERROR: Xlib not found"; }
4572 check_lib va/va.h vaInitialize -lva ||
4576 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4579 enabled vdpau && enabled xlib &&
4580 check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4583 # Funny iconv installations are not unusual, so check it after all flags have been set
4584 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4586 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4588 # add some useful compiler flags if supported
4589 check_cflags -Wdeclaration-after-statement
4591 check_cflags -Wdisabled-optimization
4592 check_cflags -Wpointer-arith
4593 check_cflags -Wredundant-decls
4594 check_cflags -Wwrite-strings
4595 check_cflags -Wtype-limits
4596 check_cflags -Wundef
4597 check_cflags -Wmissing-prototypes
4598 check_cflags -Wno-pointer-to-int-cast
4599 check_cflags -Wstrict-prototypes
4600 enabled extra_warnings && check_cflags -Winline
4602 check_disable_warning(){
4603 warning_flag=-W${1#-Wno-}
4604 test_cflags $warning_flag && add_cflags $1
4607 check_disable_warning -Wno-parentheses
4608 check_disable_warning -Wno-switch
4609 check_disable_warning -Wno-format-zero-length
4610 check_disable_warning -Wno-pointer-sign
4612 # add some linker flags
4613 check_ldflags -Wl,--warn-common
4614 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4615 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4616 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4618 # add some strip flags
4619 # -wN '..@*' is more selective than -x, but not available everywhere.
4620 check_stripflags -wN \'..@*\' || check_stripflags -x
4622 enabled xmm_clobber_test &&
4623 check_ldflags -Wl,--wrap,avcodec_open2 \
4624 -Wl,--wrap,avcodec_decode_audio4 \
4625 -Wl,--wrap,avcodec_decode_video2 \
4626 -Wl,--wrap,avcodec_decode_subtitle2 \
4627 -Wl,--wrap,avcodec_encode_audio2 \
4628 -Wl,--wrap,avcodec_encode_video \
4629 -Wl,--wrap,avcodec_encode_video2 \
4630 -Wl,--wrap,avcodec_encode_subtitle \
4631 -Wl,--wrap,sws_scale ||
4632 disable xmm_clobber_test
4635 if test_ldflags -Wl,--version-script,$TMPV; then
4636 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4637 check_cc <<EOF && enable symver_asm_label
4638 void ff_foo(void) __asm__ ("av_foo@VERSION");
4639 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4641 check_cc <<EOF && enable symver_gnu_asm
4642 __asm__(".symver ff_foo,av_foo@VERSION");
4643 void ff_foo(void) {}
4647 if [ -z "$optflags" ]; then
4648 if enabled small; then
4649 optflags=$cflags_size
4650 elif enabled optimizations; then
4651 optflags=$cflags_speed
4653 optflags=$cflags_noopt
4659 enabled lto && check_ldflags "$@"
4663 if enabled lto; then
4664 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4666 check_ldflags -flto $cpuflags
4669 check_optflags $optflags
4670 check_optflags -fno-math-errno
4671 check_optflags -fno-signed-zeros
4673 enabled ftrapv && check_cflags -ftrapv
4675 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4680 if enabled icc; then
4681 # Just warnings, no remarks
4683 # -wd: Disable following warnings
4684 # 144, 167, 556: -Wno-pointer-sign
4685 # 188: enumerated type mixed with another type
4686 # 1292: attribute "foo" ignored
4687 # 1419: external declaration in primary source file
4688 # 10006: ignoring unknown option -fno-signed-zeros
4689 # 10148: ignoring unknown option -Wno-parentheses
4690 # 10156: ignoring option '-W'; no argument required
4691 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4692 # 11030: Warning unknown option --as-needed
4693 # 10156: ignoring option '-export'; no argument required
4694 check_ldflags -wd10156,11030
4695 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4696 enable ebp_available
4697 if enabled x86_32; then
4698 icc_version=$($cc -dumpversion)
4699 test ${icc_version%%.*} -ge 11 &&
4700 check_cflags -falign-stack=maintain-16-byte ||
4701 disable aligned_stack
4703 elif enabled ccc; then
4704 # disable some annoying warnings
4705 add_cflags -msg_disable bitnotint
4706 add_cflags -msg_disable mixfuncvoid
4707 add_cflags -msg_disable nonstandcast
4708 add_cflags -msg_disable unsupieee
4709 elif enabled gcc; then
4710 check_optflags -fno-tree-vectorize
4711 check_cflags -Werror=implicit-function-declaration
4712 check_cflags -Werror=missing-prototypes
4713 check_cflags -Werror=return-type
4714 check_cflags -Werror=vla
4715 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4716 elif enabled llvm_gcc; then
4717 check_cflags -mllvm -stack-alignment=16
4718 elif enabled clang; then
4719 check_cflags -mllvm -stack-alignment=16
4720 check_cflags -Qunused-arguments
4721 check_cflags -Werror=implicit-function-declaration
4722 check_cflags -Werror=missing-prototypes
4723 check_cflags -Werror=return-type
4724 elif enabled cparser; then
4725 add_cflags -Wno-missing-variable-declarations
4726 add_cflags -Wno-empty-statement
4727 elif enabled armcc; then
4728 # 2523: use of inline assembler is deprecated
4729 add_cflags -W${armcc_opt},--diag_suppress=2523
4730 add_cflags -W${armcc_opt},--diag_suppress=1207
4731 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4732 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4733 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4734 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4735 elif enabled tms470; then
4736 add_cflags -pds=824 -pds=837
4738 elif enabled pathscale; then
4739 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4740 elif enabled_any msvc icl; then
4741 enabled x86_32 && disable aligned_stack
4742 enabled_all x86_32 debug && add_cflags -Oy-
4743 enabled debug && add_ldflags -debug
4744 enable pragma_deprecated
4745 if enabled icl; then
4746 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4747 # (correctly) on icl 13.x.
4748 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4749 add_cflags -Qansi-alias
4750 # icl will pass the inline asm tests but inline asm is currently
4751 # not supported (build will fail)
4752 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4759 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4762 add_cppflags -Dmain=plan9_main
4766 enable frame_thread_encoder
4768 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4770 check_deps $CONFIG_LIST \
4775 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"
4778 if test $target_os = "haiku"; then
4780 disable posix_memalign
4783 ! enabled_any memalign posix_memalign aligned_malloc &&
4784 enabled_any $need_memalign && enable memalign_hack
4787 # -> enable ${lib}_deps_${dep}
4788 # -> add $dep to ${lib}_deps only once
4792 enabled "${lib}_deps_${dep}" && return 0
4793 enable "${lib}_deps_${dep}"
4794 prepend "${lib}_deps" $dep
4797 # merge deps lib components
4798 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4803 enabled $comp || continue
4804 eval "dep=\"\$${comp}_deps\""
4811 merge_deps libavfilter $FILTER_LIST
4813 echo "install prefix $prefix"
4814 echo "source path $source_path"
4815 echo "C compiler $cc"
4816 echo "C library $libc_type"
4817 if test "$host_cc" != "$cc"; then
4818 echo "host C compiler $host_cc"
4819 echo "host C library $host_libc_type"
4821 echo "ARCH $arch ($cpu)"
4822 if test "$build_suffix" != ""; then
4823 echo "build suffix $build_suffix"
4825 if test "$progs_suffix" != ""; then
4826 echo "progs suffix $progs_suffix"
4828 if test "$extra_version" != ""; then
4829 echo "version string suffix $extra_version"
4831 echo "big-endian ${bigendian-no}"
4832 echo "runtime cpu detection ${runtime_cpudetect-no}"
4833 if enabled x86; then
4834 echo "${yasmexe} ${yasm-no}"
4835 echo "MMX enabled ${mmx-no}"
4836 echo "MMXEXT enabled ${mmxext-no}"
4837 echo "3DNow! enabled ${amd3dnow-no}"
4838 echo "3DNow! extended enabled ${amd3dnowext-no}"
4839 echo "SSE enabled ${sse-no}"
4840 echo "SSSE3 enabled ${ssse3-no}"
4841 echo "AVX enabled ${avx-no}"
4842 echo "FMA4 enabled ${fma4-no}"
4843 echo "i686 features enabled ${i686-no}"
4844 echo "CMOV is fast ${fast_cmov-no}"
4845 echo "EBX available ${ebx_available-no}"
4846 echo "EBP available ${ebp_available-no}"
4848 if enabled arm; then
4849 echo "ARMv5TE enabled ${armv5te-no}"
4850 echo "ARMv6 enabled ${armv6-no}"
4851 echo "ARMv6T2 enabled ${armv6t2-no}"
4852 echo "VFP enabled ${vfp-no}"
4853 echo "NEON enabled ${neon-no}"
4854 echo "THUMB enabled ${thumb-no}"
4856 if enabled mips; then
4857 echo "MIPS FPU enabled ${mipsfpu-no}"
4858 echo "MIPS32R2 enabled ${mips32r2-no}"
4859 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4860 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4862 if enabled ppc; then
4863 echo "AltiVec enabled ${altivec-no}"
4864 echo "PPC 4xx optimizations ${ppc4xx-no}"
4865 echo "dcbzl available ${dcbzl-no}"
4867 if enabled sparc; then
4868 echo "VIS enabled ${vis-no}"
4870 echo "debug symbols ${debug-no}"
4871 echo "strip symbols ${stripping-no}"
4872 echo "optimize for size ${small-no}"
4873 echo "optimizations ${optimizations-no}"
4874 echo "static ${static-no}"
4875 echo "shared ${shared-no}"
4876 echo "postprocessing support ${postproc-no}"
4877 echo "new filter support ${avfilter-no}"
4878 echo "network support ${network-no}"
4879 echo "threading support ${thread_type-no}"
4880 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4881 echo "SDL support ${sdl-no}"
4882 echo "opencl enabled ${opencl-no}"
4883 echo "libzvbi enabled ${libzvbi-no}"
4884 echo "texi2html enabled ${texi2html-no}"
4885 echo "perl enabled ${perl-no}"
4886 echo "pod2man enabled ${pod2man-no}"
4887 echo "makeinfo enabled ${makeinfo-no}"
4888 test -n "$random_seed" &&
4889 echo "random seed ${random_seed}"
4892 echo "External libraries:"
4893 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4896 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4897 echo "Enabled ${type}s:"
4898 eval list=\$$(toupper $type)_LIST
4899 print_enabled '_*' $list | print_3_columns
4903 license="LGPL version 2.1 or later"
4904 if enabled nonfree; then
4905 license="nonfree and unredistributable"
4906 elif enabled gplv3; then
4907 license="GPL version 3 or later"
4908 elif enabled lgplv3; then
4909 license="LGPL version 3 or later"
4910 elif enabled gpl; then
4911 license="GPL version 2 or later"
4914 echo "License: $license"
4916 echo "Creating config.mak, config.h, and doc/config.texi..."
4918 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4920 enabled stripping || strip="echo skipping strip"
4922 config_files="$TMPH config.mak doc/config.texi"
4924 cat > config.mak <<EOF
4925 # Automatically generated by configure - do not modify!
4926 ifndef FFMPEG_CONFIG_MAK
4928 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4930 LIBDIR=\$(DESTDIR)$libdir
4931 SHLIBDIR=\$(DESTDIR)$shlibdir
4932 INCDIR=\$(DESTDIR)$incdir
4933 BINDIR=\$(DESTDIR)$bindir
4934 DATADIR=\$(DESTDIR)$datadir
4935 DOCDIR=\$(DESTDIR)$docdir
4936 MANDIR=\$(DESTDIR)$mandir
4937 SRC_PATH=$source_path
4938 ifndef MAIN_MAKEFILE
4939 SRC_PATH:=\$(SRC_PATH:.%=..%)
4948 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4950 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4978 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4979 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
4980 YASMFLAGS=$YASMFLAGS
4981 BUILDSUF=$build_suffix
4982 PROGSSUF=$progs_suffix
4990 EXTRA_VERSION=$extra_version
4993 CCDEP_FLAGS=$CCDEP_FLAGS
4995 ASDEP_FLAGS=$ASDEP_FLAGS
4996 CC_DEPFLAGS=$CC_DEPFLAGS
4997 AS_DEPFLAGS=$AS_DEPFLAGS
5000 HOSTCFLAGS=$host_cflags
5001 HOSTCPPFLAGS=$host_cppflags
5002 HOSTEXESUF=$HOSTEXESUF
5003 HOSTLDFLAGS=$host_ldflags
5006 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5007 HOSTCCDEP=$HOSTCCDEP
5008 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5009 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5013 TARGET_EXEC=$target_exec $target_exec_args
5014 TARGET_PATH=$target_path
5015 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5016 LIBS-ffplay=$sdl_libs
5017 CFLAGS-ffplay=$sdl_cflags
5018 ZLIB=$($ldflags_filter -lz)
5019 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5020 EXTRALIBS=$extralibs
5021 COMPAT_OBJS=$compat_objs
5024 LIBTARGET=${LIBTARGET}
5025 SLIBNAME=${SLIBNAME}
5026 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5027 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5028 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5029 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5030 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5031 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5032 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5033 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5034 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5035 NOREDZONE_FLAGS=$noredzone_flags
5040 name=$(toupper $lcname)
5041 file=$source_path/$lcname/version.h
5042 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5043 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5044 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5045 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5046 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5047 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5050 map 'get_version $v' $LIBRARY_LIST
5053 /* Automatically generated by configure - do not modify! */
5054 #ifndef FFMPEG_CONFIG_H
5055 #define FFMPEG_CONFIG_H
5056 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5057 #define FFMPEG_LICENSE "$(c_escape $license)"
5058 #define CONFIG_THIS_YEAR 2013
5059 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5060 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5061 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5062 #define av_restrict $_restrict
5063 #define EXTERN_PREFIX "${extern_prefix}"
5064 #define EXTERN_ASM ${extern_prefix}
5065 #define BUILDSUF "$build_suffix"
5066 #define SLIBSUF "$SLIBSUF"
5067 #define HAVE_MMX2 HAVE_MMXEXT
5070 test -n "$assert_level" &&
5071 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5073 test -n "$malloc_prefix" &&
5074 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5076 if enabled yasm; then
5077 append config_files $TMPASM
5081 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5085 echo "@c auto-generated by configure" > doc/config.texi
5087 print_config ARCH_ "$config_files" $ARCH_LIST
5088 print_config HAVE_ "$config_files" $HAVE_LIST
5089 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5093 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5094 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5096 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5097 cp_if_changed $TMPH config.h
5100 enabled yasm && cp_if_changed $TMPASM config.asm
5103 /* Generated by ffconf */
5104 #ifndef AVUTIL_AVCONFIG_H
5105 #define AVUTIL_AVCONFIG_H
5108 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5110 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5112 cp_if_changed $TMPH libavutil/avconfig.h
5114 if test -n "$WARNINGS"; then
5115 printf "\n$WARNINGS"
5116 enabled fatal_warnings && exit 1
5119 # build pkg-config files
5121 pkgconfig_generate(){
5123 shortname=${name#lib}${build_suffix}
5128 enabled ${name#lib} || return 0
5130 cat <<EOF > $name/$name${build_suffix}.pc
5132 exec_prefix=\${prefix}
5137 Description: $comment
5139 Requires: $(enabled shared || echo $requires)
5140 Requires.private: $(enabled shared && echo $requires)
5142 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5143 Libs.private: $(enabled shared && echo $libs)
5144 Cflags: -I\${includedir}
5147 mkdir -p doc/examples/pc-uninstalled
5148 includedir=${source_path}
5149 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5150 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5153 libdir=\${pcfiledir}/../../../$name
5154 includedir=${includedir}
5157 Description: $comment
5161 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5162 Cflags: -I\${includedir}
5166 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5167 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5168 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5169 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5170 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5171 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5172 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5173 lavfi_libs=${lavfi_libs%, }
5175 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5176 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5178 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5179 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5180 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5181 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5182 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5183 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5184 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5185 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5186 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5188 fix_ffmpeg_remote(){
5191 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5192 if [ "$fixme_remote" != "" ]; then
5194 Outdated domain in git config, the official domain for ffmpeg git is since
5195 November 2011, source.ffmpeg.org, both the old and the new point to the same
5196 repository and server. To update it enter the following commands:
5198 for remote in $fixme_remote; do
5199 echolog "git remote set-url $remote $git_remote_to"
5204 if test -f "$source_path/.git/config"; then
5205 remote_from=git.videolan.org
5206 remote_to=source.ffmpeg.org
5207 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5208 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg