3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --enable-raise-major increase major version numbers in sonames [no]
113 --disable-programs do not build command line programs
114 --disable-ffmpeg disable ffmpeg build
115 --disable-ffplay disable ffplay build
116 --disable-ffprobe disable ffprobe build
117 --disable-ffserver disable ffserver build
119 Documentation options:
120 --disable-doc do not build documentation
121 --disable-htmlpages do not build HTML documentation pages
122 --disable-manpages do not build man documentation pages
123 --disable-podpages do not build POD documentation pages
124 --disable-txtpages do not build text documentation pages
127 --disable-avdevice disable libavdevice build
128 --disable-avcodec disable libavcodec build
129 --disable-avformat disable libavformat build
130 --disable-avutil disable libavutil build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [auto]
137 --disable-w32threads disable Win32 threads [auto]
138 --disable-os2threads disable OS/2 threads [auto]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
149 Hardware accelerators:
150 --disable-dxva2 disable DXVA2 code [autodetect]
151 --disable-vaapi disable VAAPI code [autodetect]
152 --enable-vda enable VDA code
153 --disable-vdpau disable VDPAU code [autodetect]
155 Individual component options:
156 --disable-everything disable all components listed below
157 --disable-encoder=NAME disable encoder NAME
158 --enable-encoder=NAME enable encoder NAME
159 --disable-encoders disable all encoders
160 --disable-decoder=NAME disable decoder NAME
161 --enable-decoder=NAME enable decoder NAME
162 --disable-decoders disable all decoders
163 --disable-hwaccel=NAME disable hwaccel NAME
164 --enable-hwaccel=NAME enable hwaccel NAME
165 --disable-hwaccels disable all hwaccels
166 --disable-muxer=NAME disable muxer NAME
167 --enable-muxer=NAME enable muxer NAME
168 --disable-muxers disable all muxers
169 --disable-demuxer=NAME disable demuxer NAME
170 --enable-demuxer=NAME enable demuxer NAME
171 --disable-demuxers disable all demuxers
172 --enable-parser=NAME enable parser NAME
173 --disable-parser=NAME disable parser NAME
174 --disable-parsers disable all parsers
175 --enable-bsf=NAME enable bitstream filter NAME
176 --disable-bsf=NAME disable bitstream filter NAME
177 --disable-bsfs disable all bitstream filters
178 --enable-protocol=NAME enable protocol NAME
179 --disable-protocol=NAME disable protocol NAME
180 --disable-protocols disable all protocols
181 --enable-indev=NAME enable input device NAME
182 --disable-indev=NAME disable input device NAME
183 --disable-indevs disable input devices
184 --enable-outdev=NAME enable output device NAME
185 --disable-outdev=NAME disable output device NAME
186 --disable-outdevs disable output devices
187 --disable-devices disable all devices
188 --enable-filter=NAME enable filter NAME
189 --disable-filter=NAME disable filter NAME
190 --disable-filters disable all filters
192 External library support:
193 --enable-avisynth enable reading of AviSynth script files [no]
194 --disable-bzlib disable bzlib [autodetect]
195 --enable-fontconfig enable fontconfig
196 --enable-frei0r enable frei0r video filtering
197 --enable-gnutls enable gnutls [no]
198 --disable-iconv disable iconv [autodetect]
199 --enable-ladspa enable LADSPA audio filtering
200 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
201 --enable-libass enable libass subtitles rendering [no]
202 --enable-libbluray enable BluRay reading using libbluray [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-libgme enable Game Music Emu via libgme [no]
213 --enable-libgsm enable GSM de/encoding via libgsm [no]
214 --enable-libiec61883 enable iec61883 via libiec61883 [no]
215 --enable-libilbc enable iLBC de/encoding via libilbc [no]
216 --enable-libmodplug enable ModPlug via libmodplug [no]
217 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
218 --enable-libnut enable NUT (de)muxing via libnut,
219 native (de)muxer exists [no]
220 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
221 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
222 --enable-libopencv enable video filtering via libopencv [no]
223 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
224 --enable-libopus enable Opus decoding via libopus [no]
225 --enable-libpulse enable Pulseaudio input via libpulse [no]
226 --enable-libquvi enable quvi input via libquvi [no]
227 --enable-librtmp enable RTMP[E] support via librtmp [no]
228 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
229 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
230 --enable-libsoxr enable Include libsoxr resampling [no]
231 --enable-libspeex enable Speex de/encoding via libspeex [no]
232 --enable-libssh enable SFTP protocol via libssh [no]
233 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
234 --enable-libtheora enable Theora encoding via libtheora [no]
235 --enable-libtwolame enable MP2 encoding via libtwolame [no]
236 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
237 --enable-libv4l2 enable libv4l2/v4l-utils [no]
238 --enable-libvidstab enable video stabilization using vid.stab [no]
239 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
240 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
241 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
242 native implementation exists [no]
243 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
244 --enable-libwavpack enable wavpack encoding via libwavpack [no]
245 --enable-libwebp enable WebP encoding via libwebp [no]
246 --enable-libx264 enable H.264 encoding via x264 [no]
247 --enable-libxavs enable AVS encoding via xavs [no]
248 --enable-libxvid enable Xvid encoding via xvidcore,
249 native MPEG-4/Xvid encoder exists [no]
250 --enable-libzmq enable message passing via libzmq [no]
251 --enable-libzvbi enable teletext support via libzvbi [no]
252 --enable-openal enable OpenAL 1.1 capture support [no]
253 --enable-opencl enable OpenCL code
254 --enable-openssl enable openssl [no]
255 --enable-x11grab enable X11 grabbing [no]
256 --disable-zlib disable zlib [autodetect]
258 Advanced options (experts only):
259 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
260 --enable-cross-compile assume a cross-compiler is used
261 --sysroot=PATH root of cross-build tree
262 --sysinclude=PATH location of cross-build system headers
263 --target-os=OS compiler targets OS [$target_os]
264 --target-exec=CMD command to run executables on target
265 --target-path=DIR path to view of build directory on target
266 --target-samples=DIR path to samples directory on target
267 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
268 --toolchain=NAME set tool defaults according to NAME
269 --nm=NM use nm tool NM [$nm_default]
270 --ar=AR use archive tool AR [$ar_default]
271 --as=AS use assembler AS [$as_default]
272 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
273 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
274 --cc=CC use C compiler CC [$cc_default]
275 --cxx=CXX use C compiler CXX [$cxx_default]
276 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
277 --ld=LD use linker LD [$ld_default]
278 --host-cc=HOSTCC use host C compiler HOSTCC
279 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
280 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
281 --host-ld=HOSTLD use host linker HOSTLD
282 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
283 --host-libs=HLIBS use libs HLIBS when linking for host
284 --host-os=OS compiler host OS [$target_os]
285 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
286 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
287 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
288 --extra-libs=ELIBS add ELIBS [$ELIBS]
289 --extra-version=STRING version string suffix []
290 --optflags=OPTFLAGS override optimization-related compiler flags
291 --build-suffix=SUFFIX library name suffix []
292 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
293 --progs-suffix=SUFFIX program name suffix []
294 --arch=ARCH select architecture [$arch]
295 --cpu=CPU select the minimum required CPU (affects
296 instruction selection, may crash on older CPUs)
297 --enable-pic build position-independent code
298 --enable-sram allow use of on-chip SRAM
299 --enable-thumb compile for Thumb instruction set
300 --disable-symver disable symbol versioning
301 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
302 --disable-safe-bitstream-reader
303 disable buffer boundary checking in bitreaders
304 (faster, but may crash)
305 --enable-memalign-hack emulate memalign, interferes with memory debuggers
306 --enable-lto use link-time optimization
308 Optimization options (experts only):
309 --disable-asm disable all assembler optimizations
310 --disable-altivec disable AltiVec optimizations
311 --disable-amd3dnow disable 3DNow! optimizations
312 --disable-amd3dnowext disable 3DNow! extended optimizations
313 --disable-mmx disable MMX optimizations
314 --disable-mmxext disable MMXEXT optimizations
315 --disable-sse disable SSE optimizations
316 --disable-sse2 disable SSE2 optimizations
317 --disable-sse3 disable SSE3 optimizations
318 --disable-ssse3 disable SSSE3 optimizations
319 --disable-sse4 disable SSE4 optimizations
320 --disable-sse42 disable SSE4.2 optimizations
321 --disable-avx disable AVX optimizations
322 --disable-fma4 disable FMA4 optimizations
323 --disable-avx2 disable AVX2 optimizations
324 --disable-armv5te disable armv5te optimizations
325 --disable-armv6 disable armv6 optimizations
326 --disable-armv6t2 disable armv6t2 optimizations
327 --disable-vfp disable VFP optimizations
328 --disable-neon disable NEON optimizations
329 --disable-vis disable VIS optimizations
330 --disable-inline-asm disable use of inline assembler
331 --disable-yasm disable use of yasm assembler
332 --disable-mips32r2 disable MIPS32R2 optimizations
333 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
334 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
335 --disable-mipsfpu disable floating point MIPS optimizations
336 --disable-fast-unaligned consider unaligned accesses slow
338 Developer options (useful when working on FFmpeg itself):
339 --disable-debug disable debugging symbols
340 --enable-debug=LEVEL set the debug level [$debuglevel]
341 --disable-optimizations disable compiler optimizations
342 --enable-extra-warnings enable more compiler warnings
343 --disable-stripping disable stripping of executables and shared libraries
344 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
345 2 causes a slowdown at runtime.
346 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
347 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
348 leaks and errors, using the specified valgrind binary.
349 Cannot be combined with --target-exec
350 --enable-ftrapv Trap arithmetic overflows
351 --samples=PATH location of test samples for FATE, if not set use
352 \$FATE_SAMPLES at make invocation time.
353 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
354 should be used only for debugging purposes)
355 --enable-random randomly enable/disable components
357 --enable-random=LIST randomly enable/disable specific components or
358 --disable-random=LIST component groups. LIST is a comma-separated list
359 of NAME[:PROB] entries where NAME is a component
360 (group) and PROB the probability associated with
362 --random-seed=VALUE seed value for --enable/disable-random
364 NOTE: Object files are built at the place where configure is launched.
372 echo "$@" >> $logfile
377 pr -n -t $1 >> $logfile
388 WARNINGS="${WARNINGS}WARNING: $*\n"
395 If you think configure made a mistake, make sure you are using the latest
396 version from Git. If the latest version fails, report the problem to the
397 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
399 if disabled logging; then
401 Rerun configure with logging enabled (do not use --disable-logging), and
402 include the log this produces with your report.
406 Include the log file "$logfile" produced by configure as this will help
413 # Avoid locale weirdness, besides we really just want to translate ASCII.
415 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
419 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
423 echo "$*" | sed 's/["\\]/\\\0/g'
427 v=$(echo "$1" | sed "s/'/'\\\\''/g")
428 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
433 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
440 eval "case $v in $pat) echo $v ;; esac"
448 eval "case $v in $pat) ;; *) echo $v ;; esac"
455 for v; do eval $m; done
461 for v; do echo ${v}${suffix}; done
476 eval : \${$var:=$value}
481 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
487 eval $(sanitize_var_name "$var")='$*'
491 eval echo \$$(sanitize_var_name "$1")
496 eval level=\${${pvar}_level:=0}
497 eval ${pvar}_${level}="\$$pvar"
498 eval ${pvar}_level=$(($level+1))
504 eval level=\${${pvar}_level:-0}
505 test $level = 0 && continue
506 eval level=$(($level-1))
507 eval $pvar="\${${pvar}_${level}}"
508 eval ${pvar}_level=$level
509 eval unset ${pvar}_${level}
531 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
537 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
543 enabled $var && continue
544 eval sel="\$${var}_select"
545 eval sgs="\$${var}_suggest"
549 enable_deep_weak $sgs
561 disabled $var && continue
570 test "${1#!}" = "$1" && op== || op=!=
571 eval test "x\$${1#!}" $op "xyes"
575 test "${1#!}" = "$1" && op== || op=!=
576 eval test "x\$${1#!}" $op "xno"
581 enabled $opt || return 1
587 disabled $opt || return 1
593 enabled $opt && return 0
599 disabled $opt && return 0
606 eval : \${$opt:=\$${opt}_default}
614 [ $var = $value ] && return 0
622 enabled ${cfg}_checking && die "Circular dependency for $cfg."
623 disabled ${cfg}_checking && continue
624 enable ${cfg}_checking
627 eval dep_all="\$${cfg}_deps"
628 eval dep_any="\$${cfg}_deps_any"
629 eval dep_sel="\$${cfg}_select"
630 eval dep_sgs="\$${cfg}_suggest"
631 eval dep_ifa="\$${cfg}_if"
632 eval dep_ifn="\$${cfg}_if_any"
634 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
635 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
636 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
638 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
639 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
640 enabled_all $dep_all || disable $cfg
641 enabled_any $dep_any || disable $cfg
642 disabled_any $dep_sel && disable $cfg
644 if enabled $cfg; then
646 enable_deep_weak $dep_sgs
649 disable ${cfg}_checking
658 for cfg in $allopts; do
659 enabled $cfg || continue
660 eval dep_extralibs="\$${cfg}_extralibs"
661 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
669 map 'eval echo "$v \${$v:-no}"' "$@" |
670 awk "BEGIN { split(\"$files\", files) }
672 c = \"$pfx\" toupper(\$1);
678 if (file ~ /\\.h\$/) {
679 printf(\"#define %s %d\\n\", c, v) >>file;
680 } else if (file ~ /\\.asm\$/) {
681 printf(\"%%define %s %d\\n\", c, v) >>file;
682 } else if (file ~ /\\.mak\$/) {
683 n = -v ? \"\" : \"!\";
684 printf(\"%s%s=yes\\n\", n, c) >>file;
685 } else if (file ~ /\\.texi\$/) {
686 pre = -v ? \"\" : \"@c \";
689 gsub(/_/, \"-\", c2);
690 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
700 enabled $v && printf "%s\n" ${v%$suf};
707 eval "$var=\"\$$var $*\""
713 eval "$var=\"$* \$$var\""
721 append CFLAGS $($cflags_filter "$@")
725 append CXXFLAGS $($cflags_filter "$@")
729 append ASFLAGS $($asflags_filter "$@")
733 append LDFLAGS $($ldflags_filter "$@")
737 append ASMSTRIPFLAGS "$@"
741 prepend extralibs $($ldflags_filter "$@")
745 append host_cppflags "$@"
749 append host_cflags $($host_cflags_filter "$@")
753 append host_ldflags $($host_ldflags_filter "$@")
757 append compat_objs $1
759 map 'add_cppflags -D$v' "$@"
764 "$@" >> $logfile 2>&1
768 eval printf '%s\\n' $CC_O
772 eval printf '%s\\n' $CC_E
779 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
786 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
793 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
797 eval printf '%s\\n' $AS_O
804 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
808 log check_inline_asm "$@"
813 check_cc "$@" <<EOF && enable $name
814 void foo(void){ __asm__ volatile($code); }
820 check_inline_asm ${1}_inline "\"$2\""
821 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
829 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
833 eval printf '%s\\n' $LD_O
840 flags=$(filter_out '-l*|*.so' $@)
841 libs=$(filter '-l*|*.so' $@)
842 check_$type $($cflags_filter $flags) || return
843 flags=$($ldflags_filter $flags)
844 libs=$($ldflags_filter $libs)
845 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
855 for hdr in $headers; do
856 echo "#include <$hdr>"
858 echo "int main(void) { $code; return 0; }"
859 } | check_$check "$@"
863 log check_cppflags "$@"
864 check_cc "$@" <<EOF && append CPPFLAGS "$@"
871 set -- $($cflags_filter "$@")
878 log check_cflags "$@"
879 test_cflags "$@" && add_cflags "$@"
883 log check_cxxflags "$@"
884 set -- $($cflags_filter "$@")
885 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
891 log test_ldflags "$@"
892 check_ld "cc" "$@" <<EOF
893 int main(void){ return 0; }
898 log check_ldflags "$@"
899 test_ldflags "$@" && add_ldflags "$@"
903 log test_stripflags "$@"
904 # call check_cc to get a fresh TMPO
906 int main(void) { return 0; }
908 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
912 log check_stripflags "$@"
913 test_stripflags "$@" && add_stripflags "$@"
917 log check_header "$@"
921 check_cpp "$@" <<EOF && enable_safe $header
932 check_ld "cc" "$@" <<EOF && enable $func
934 int main(void){ $func(); }
939 log check_mathfunc "$@"
943 test $narg = 2 && args="f, g" || args="f"
945 check_ld "cc" "$@" <<EOF && enable $func
947 float foo(float f, float g) { return $func($args); }
948 int main(void){ return (int) foo; }
952 check_func_headers(){
953 log check_func_headers "$@"
958 for hdr in $headers; do
959 echo "#include <$hdr>"
961 for func in $funcs; do
962 echo "long check_$func(void) { return (long) $func; }"
964 echo "int main(void) { return 0; }"
965 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
968 check_class_headers_cpp(){
969 log check_class_headers_cpp "$@"
974 for hdr in $headers; do
975 echo "#include <$hdr>"
977 echo "int main(void) { "
979 for class in $classes; do
984 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
987 check_cpp_condition(){
988 log check_cpp_condition "$@"
995 #error "unsatisfied condition: $condition"
1005 check_header $header && check_func $func "$@" && add_extralibs "$@"
1013 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1017 log check_lib_cpp "$@"
1021 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1025 log check_pkg_config "$@"
1030 check_cmd $pkg_config --exists --print-errors $pkg || return
1031 pkg_cflags=$($pkg_config --cflags $pkg)
1032 pkg_libs=$($pkg_config --libs $pkg)
1033 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1034 set_safe ${pkg}_cflags $pkg_cflags &&
1035 set_safe ${pkg}_libs $pkg_libs
1039 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1045 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1046 # are safe but may not be available everywhere. Thus we use
1047 # raise(SIGTERM) instead. The check is run in a subshell so we
1048 # can redirect the "Terminated" message from the shell. SIGBUS
1049 # is not defined by standard C so it is used conditionally.
1051 (check_exec "$@") >> $logfile 2>&1 <<EOF
1053 static void sighandler(int sig){
1059 int (*func_ptr)(void) = foo;
1061 signal(SIGILL, sighandler);
1062 signal(SIGFPE, sighandler);
1063 signal(SIGSEGV, sighandler);
1065 signal(SIGBUS, sighandler);
1077 disable_safe "$type"
1078 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1082 log check_struct "$@"
1087 disable_safe "${struct}_${member}"
1088 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1089 enable_safe "${struct}_${member}"
1093 log check_builtin "$@"
1099 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1107 check_lib $header $func "$@" || die "ERROR: $name not found"
1115 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1123 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1126 require_pkg_config(){
1128 check_pkg_config "$@" || die "ERROR: $pkg not found"
1129 add_cflags $(get_safe ${pkg}_cflags)
1130 add_extralibs $(get_safe ${pkg}_libs)
1133 require_libfreetype(){
1134 log require_libfreetype "$@"
1136 check_cmd $pkg_config --exists --print-errors $pkg \
1137 || die "ERROR: $pkg not found"
1138 pkg_cflags=$($pkg_config --cflags $pkg)
1139 pkg_libs=$($pkg_config --libs $pkg)
1141 echo "#include <ft2build.h>"
1142 echo "#include FT_FREETYPE_H"
1143 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1144 echo "int main(void) { return 0; }"
1145 } | check_ld "cc" $pkg_cflags $pkg_libs \
1146 && set_safe ${pkg}_cflags $pkg_cflags \
1147 && set_safe ${pkg}_libs $pkg_libs \
1148 || die "ERROR: $pkg not found"
1149 add_cflags $(get_safe ${pkg}_cflags)
1150 add_extralibs $(get_safe ${pkg}_libs)
1154 eval printf '%s\\n' $HOSTCC_E
1158 eval printf '%s\\n' $HOSTCC_O
1162 log check_host_cc "$@"
1165 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1169 log check_host_cpp "$@"
1172 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1175 check_host_cppflags(){
1176 log check_host_cppflags "$@"
1177 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1182 check_host_cflags(){
1183 log check_host_cflags "$@"
1184 set -- $($host_cflags_filter "$@")
1185 check_host_cc "$@" <<EOF && append host_cflags "$@"
1190 check_host_cpp_condition(){
1191 log check_host_cpp_condition "$@"
1195 check_host_cpp "$@" <<EOF
1198 #error "unsatisfied condition: $condition"
1206 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1210 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1211 mkdir -p "$(dirname $2)"
1215 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1216 # system-dependent things.
1233 decoding_encoding_example
1234 demuxing_decoding_example
1235 filtering_audio_example
1236 filtering_video_example
1239 resampling_audio_example
1240 scaling_video_example
1241 transcode_aac_example
1244 EXTERNAL_LIBRARY_LIST="
1347 $EXTERNAL_LIBRARY_LIST
1360 incompatible_libav_abi
1361 incompatible_fork_abi
1373 safe_bitstream_reader
1470 incompatible_libav_abi
1471 incompatible_fork_abi
1504 $(add_suffix _external $ARCH_EXT_LIST)
1505 $(add_suffix _inline $ARCH_EXT_LIST)
1525 cdio_paranoia_paranoia_h
1533 dev_bktr_ioctl_bt848_h
1534 dev_bktr_ioctl_meteor_h
1536 dev_video_bktr_ioctl_bt848_h
1537 dev_video_meteor_ioctl_meteor_h
1553 GetProcessAffinityMask
1554 GetProcessMemoryInfo
1556 GetSystemTimeAsFileTime
1569 jack_port_get_latency_range
1580 machine_ioctl_bt848_h
1581 machine_ioctl_meteor_h
1593 openjpeg_1_5_openjpeg_h
1606 SetConsoleTextAttribute
1615 struct_group_source_req
1616 struct_ip_mreq_source
1619 struct_rusage_ru_maxrss
1620 struct_sctp_event_subscribe
1622 struct_sockaddr_sa_len
1623 struct_sockaddr_storage
1624 struct_stat_st_mtim_tv_nsec
1625 struct_v4l2_frmivalenum_discrete
1628 sync_val_compare_and_swap
1654 # options emitted with CONFIG_ prefix but not available on the command line
1661 frame_thread_encoder
1764 # code dependency declarations
1766 # architecture extensions
1775 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1778 mips32r2_deps="mips"
1779 mipsdspr1_deps="mips"
1780 mipsdspr2_deps="mips"
1788 x86_64_select="i686"
1789 x86_64_suggest="fast_cmov"
1792 amd3dnowext_deps="amd3dnow"
1805 mmx_external_deps="yasm"
1806 mmx_inline_deps="inline_asm"
1807 mmx_suggest="mmx_external mmx_inline"
1809 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1810 eval dep=\$${ext}_deps
1811 eval ${ext}_external_deps='"${dep}_external"'
1812 eval ${ext}_inline_deps='"${dep}_inline"'
1813 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1816 aligned_stack_if_any="ppc x86"
1817 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1818 fast_clz_if_any="alpha avr32 mips ppc x86"
1819 fast_unaligned_if_any="ppc x86"
1821 need_memalign="altivec neon sse"
1823 # system capabilities
1824 log2_deps="!libc_msvcrt"
1826 symver_if_any="symver_asm_label symver_gnu_asm"
1829 atomics_gcc_if="sync_val_compare_and_swap"
1830 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1831 atomics_win32_if="MemoryBarrier"
1832 atomics_native_if_any="$ATOMICS_LIST"
1833 threads_if_any="$THREADS_LIST"
1837 error_resilience_select="dsputil"
1838 frame_thread_encoder_deps="encoders threads"
1839 lpc_select="dsputil"
1842 mpegaudio_select="mpegaudiodsp"
1843 mpegaudiodsp_select="dct"
1844 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1845 mpegvideoenc_select="mpegvideo"
1847 # decoders / encoders
1848 aac_decoder_select="mdct sinewin"
1849 aac_encoder_select="audio_frame_queue mdct sinewin"
1850 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1851 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1852 ac3_encoder_select="mdct ac3dsp dsputil"
1853 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1854 aic_decoder_select="dsputil golomb"
1855 alac_encoder_select="lpc"
1856 als_decoder_select="dsputil"
1857 amrnb_decoder_select="lsp"
1858 amrwb_decoder_select="lsp"
1859 amv_decoder_select="dsputil hpeldsp exif"
1860 amv_encoder_select="aandcttables"
1861 ape_decoder_select="dsputil"
1862 asv1_decoder_select="dsputil"
1863 asv1_encoder_select="dsputil"
1864 asv2_decoder_select="dsputil"
1865 asv2_encoder_select="dsputil"
1866 atrac1_decoder_select="mdct sinewin"
1867 atrac3_decoder_select="mdct"
1868 atrac3p_decoder_select="mdct sinewin"
1869 avrn_decoder_select="exif"
1870 bink_decoder_select="dsputil hpeldsp"
1871 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1872 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1873 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1874 cllc_decoder_select="dsputil"
1875 comfortnoise_encoder_select="lpc"
1876 cook_decoder_select="dsputil mdct sinewin"
1877 cscd_decoder_select="lzo"
1878 cscd_decoder_suggest="zlib"
1879 dca_decoder_select="mdct"
1880 dirac_decoder_select="dsputil dwt golomb videodsp"
1881 dnxhd_decoder_select="dsputil"
1882 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1883 dvvideo_decoder_select="dsputil"
1884 dvvideo_encoder_select="dsputil"
1885 dxa_decoder_select="zlib"
1886 eac3_decoder_select="ac3_decoder"
1887 eac3_encoder_select="ac3_encoder"
1888 eamad_decoder_select="aandcttables dsputil mpegvideo"
1889 eatgq_decoder_select="aandcttables"
1890 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1891 exr_decoder_select="zlib"
1892 ffv1_decoder_select="dsputil golomb rangecoder"
1893 ffv1_encoder_select="dsputil rangecoder"
1894 ffvhuff_decoder_select="dsputil"
1895 ffvhuff_encoder_select="dsputil huffman"
1896 flac_decoder_select="golomb"
1897 flac_encoder_select="dsputil golomb lpc"
1898 flashsv_decoder_select="zlib"
1899 flashsv_encoder_select="zlib"
1900 flashsv2_encoder_select="zlib"
1901 flashsv2_decoder_select="zlib"
1902 flv_decoder_select="h263_decoder"
1903 flv_encoder_select="h263_encoder"
1904 fourxm_decoder_select="dsputil"
1905 fraps_decoder_select="dsputil huffman"
1906 g2m_decoder_select="dsputil zlib"
1907 g729_decoder_select="dsputil"
1908 h261_decoder_select="error_resilience mpegvideo"
1909 h261_encoder_select="aandcttables mpegvideoenc"
1910 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1911 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1912 h263i_decoder_select="h263_decoder"
1913 h263p_encoder_select="h263_encoder"
1914 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1915 h264_decoder_suggest="error_resilience"
1916 hevc_decoder_select="dsputil golomb videodsp"
1917 huffyuv_decoder_select="dsputil"
1918 huffyuv_encoder_select="dsputil huffman"
1919 iac_decoder_select="dsputil fft mdct sinewin"
1920 imc_decoder_select="dsputil fft mdct sinewin"
1921 indeo3_decoder_select="hpeldsp"
1922 interplay_video_decoder_select="hpeldsp"
1923 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1924 jpegls_encoder_select="golomb"
1925 jv_decoder_select="dsputil"
1926 lagarith_decoder_select="dsputil"
1927 ljpeg_encoder_select="aandcttables mpegvideoenc"
1928 loco_decoder_select="golomb"
1929 mdec_decoder_select="dsputil error_resilience mpegvideo"
1930 metasound_decoder_select="lsp mdct sinewin"
1931 mimic_decoder_select="dsputil hpeldsp"
1932 mjpeg_decoder_select="dsputil hpeldsp exif"
1933 mjpegb_decoder_select="dsputil hpeldsp exif"
1934 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1935 mlp_decoder_select="dsputil mlp_parser"
1936 motionpixels_decoder_select="dsputil"
1937 mp1_decoder_select="mpegaudio"
1938 mp1float_decoder_select="mpegaudio"
1939 mp2_decoder_select="mpegaudio"
1940 mp2float_decoder_select="mpegaudio"
1941 mp3_decoder_select="mpegaudio"
1942 mp3adu_decoder_select="mpegaudio"
1943 mp3adufloat_decoder_select="mpegaudio"
1944 mp3float_decoder_select="mpegaudio"
1945 mp3on4_decoder_select="mpegaudio"
1946 mp3on4float_decoder_select="mpegaudio"
1947 mpc7_decoder_select="dsputil mpegaudiodsp"
1948 mpc8_decoder_select="dsputil mpegaudiodsp"
1949 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1950 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1951 mpeg1video_decoder_select="error_resilience mpegvideo"
1952 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1953 mpeg2video_decoder_select="error_resilience mpegvideo"
1954 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1955 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1956 mpeg4_encoder_select="h263_encoder"
1957 msmpeg4v1_decoder_select="h263_decoder"
1958 msmpeg4v2_decoder_select="h263_decoder"
1959 msmpeg4v2_encoder_select="h263_encoder"
1960 msmpeg4v3_decoder_select="h263_decoder"
1961 msmpeg4v3_encoder_select="h263_encoder"
1962 mss2_decoder_select="error_resilience vc1_decoder"
1963 mxpeg_decoder_select="dsputil hpeldsp exif"
1964 nellymoser_decoder_select="mdct sinewin"
1965 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1966 nuv_decoder_select="dsputil lzo"
1967 png_decoder_select="zlib"
1968 png_encoder_select="dsputil zlib"
1969 prores_decoder_select="dsputil"
1970 prores_encoder_select="dsputil"
1971 qcelp_decoder_select="lsp"
1972 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1973 ra_144_encoder_select="audio_frame_queue lpc"
1974 ralf_decoder_select="golomb"
1975 rtjpeg_decoder_select="dsputil"
1976 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1977 rv10_encoder_select="h263_encoder"
1978 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1979 rv20_encoder_select="h263_encoder"
1980 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1981 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1982 shorten_decoder_select="golomb"
1983 sipr_decoder_select="lsp"
1984 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1985 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1986 sonic_decoder_select="golomb"
1987 sonic_encoder_select="golomb"
1988 sonic_ls_encoder_select="golomb"
1989 sp5x_decoder_select="dsputil hpeldsp exif"
1990 svq1_decoder_select="hpeldsp"
1991 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1992 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1993 svq3_decoder_suggest="error_resilience zlib"
1994 tak_decoder_select="dsputil"
1995 theora_decoder_select="vp3_decoder"
1996 tiff_decoder_suggest="zlib"
1997 tiff_encoder_suggest="zlib"
1998 thp_decoder_select="dsputil hpeldsp exif"
1999 truehd_decoder_select="mlp_parser"
2000 truemotion2_decoder_select="dsputil"
2001 truespeech_decoder_select="dsputil"
2002 tscc_decoder_select="zlib"
2003 twinvq_decoder_select="mdct lsp sinewin"
2004 utvideo_decoder_select="dsputil"
2005 utvideo_encoder_select="dsputil huffman"
2006 vble_decoder_select="dsputil"
2007 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
2008 vc1image_decoder_select="vc1_decoder"
2009 vorbis_decoder_select="mdct"
2010 vorbis_encoder_select="mdct"
2011 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2012 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2013 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2014 vp6a_decoder_select="vp6_decoder"
2015 vp6f_decoder_select="vp6_decoder"
2016 vp8_decoder_select="h264pred videodsp"
2017 vp9_decoder_select="videodsp"
2018 webp_decoder_select="vp8_decoder"
2019 wmapro_decoder_select="mdct sinewin"
2020 wmav1_decoder_select="mdct sinewin"
2021 wmav1_encoder_select="mdct sinewin"
2022 wmav2_decoder_select="mdct sinewin"
2023 wmav2_encoder_select="mdct sinewin"
2024 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2025 wmv1_decoder_select="h263_decoder"
2026 wmv1_encoder_select="h263_encoder"
2027 wmv2_decoder_select="h263_decoder videodsp"
2028 wmv2_encoder_select="h263_encoder"
2029 wmv3_decoder_select="vc1_decoder"
2030 wmv3image_decoder_select="wmv3_decoder"
2031 zerocodec_decoder_select="zlib"
2032 zlib_decoder_select="zlib"
2033 zlib_encoder_select="zlib"
2034 zmbv_decoder_select="zlib"
2035 zmbv_encoder_select="zlib"
2037 # hardware accelerators
2038 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2039 dxva2_deps="dxva2api_h"
2040 vaapi_deps="va_va_h"
2041 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2042 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2043 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2044 xvmc_deps="X11_extensions_XvMClib_h"
2046 h263_vaapi_hwaccel_deps="vaapi"
2047 h263_vaapi_hwaccel_select="h263_decoder"
2048 h263_vdpau_hwaccel_deps="vdpau"
2049 h263_vdpau_hwaccel_select="h263_decoder"
2050 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2051 h264_dxva2_hwaccel_deps="dxva2"
2052 h264_dxva2_hwaccel_select="h264_decoder"
2053 h264_vaapi_hwaccel_deps="vaapi"
2054 h264_vaapi_hwaccel_select="h264_decoder"
2055 h264_vda_decoder_deps="vda"
2056 h264_vda_decoder_select="h264_decoder"
2057 h264_vda_hwaccel_deps="vda"
2058 h264_vda_hwaccel_select="h264_decoder"
2059 h264_vdpau_decoder_deps="vdpau"
2060 h264_vdpau_decoder_select="h264_decoder"
2061 h264_vdpau_hwaccel_deps="vdpau"
2062 h264_vdpau_hwaccel_select="h264_decoder"
2063 mpeg_vdpau_decoder_deps="vdpau"
2064 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2065 mpeg_xvmc_hwaccel_deps="xvmc"
2066 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2067 mpeg1_vdpau_decoder_deps="vdpau"
2068 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2069 mpeg1_vdpau_hwaccel_deps="vdpau"
2070 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2071 mpeg1_xvmc_hwaccel_deps="xvmc"
2072 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2073 mpeg2_crystalhd_decoder_select="crystalhd"
2074 mpeg2_dxva2_hwaccel_deps="dxva2"
2075 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2076 mpeg2_vaapi_hwaccel_deps="vaapi"
2077 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2078 mpeg2_vdpau_hwaccel_deps="vdpau"
2079 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2080 mpeg2_xvmc_hwaccel_deps="xvmc"
2081 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2082 mpeg4_crystalhd_decoder_select="crystalhd"
2083 mpeg4_vaapi_hwaccel_deps="vaapi"
2084 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2085 mpeg4_vdpau_decoder_deps="vdpau"
2086 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2087 mpeg4_vdpau_hwaccel_deps="vdpau"
2088 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2089 msmpeg4_crystalhd_decoder_select="crystalhd"
2090 vc1_crystalhd_decoder_select="crystalhd"
2091 vc1_dxva2_hwaccel_deps="dxva2"
2092 vc1_dxva2_hwaccel_select="vc1_decoder"
2093 vc1_vaapi_hwaccel_deps="vaapi"
2094 vc1_vaapi_hwaccel_select="vc1_decoder"
2095 vc1_vdpau_decoder_deps="vdpau"
2096 vc1_vdpau_decoder_select="vc1_decoder"
2097 vc1_vdpau_hwaccel_deps="vdpau"
2098 vc1_vdpau_hwaccel_select="vc1_decoder"
2099 wmv3_crystalhd_decoder_select="crystalhd"
2100 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2101 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2102 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2103 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2106 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2107 hevc_parser_select="hevc_decoder"
2108 mpeg4video_parser_select="error_resilience mpegvideo"
2109 mpegvideo_parser_select="error_resilience mpegvideo"
2110 vc1_parser_select="mpegvideo"
2112 # external libraries
2113 libaacplus_encoder_deps="libaacplus"
2114 libcelt_decoder_deps="libcelt"
2115 libfaac_encoder_deps="libfaac"
2116 libfaac_encoder_select="audio_frame_queue"
2117 libfdk_aac_decoder_deps="libfdk_aac"
2118 libfdk_aac_encoder_deps="libfdk_aac"
2119 libfdk_aac_encoder_select="audio_frame_queue"
2120 libgme_demuxer_deps="libgme"
2121 libgsm_decoder_deps="libgsm"
2122 libgsm_encoder_deps="libgsm"
2123 libgsm_ms_decoder_deps="libgsm"
2124 libgsm_ms_encoder_deps="libgsm"
2125 libilbc_decoder_deps="libilbc"
2126 libilbc_encoder_deps="libilbc"
2127 libmodplug_demuxer_deps="libmodplug"
2128 libmp3lame_encoder_deps="libmp3lame"
2129 libmp3lame_encoder_select="audio_frame_queue"
2130 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2131 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2132 libopencore_amrnb_encoder_select="audio_frame_queue"
2133 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2134 libopenjpeg_decoder_deps="libopenjpeg"
2135 libopenjpeg_encoder_deps="libopenjpeg"
2136 libopus_decoder_deps="libopus"
2137 libopus_encoder_deps="libopus"
2138 libopus_encoder_select="audio_frame_queue"
2139 libquvi_demuxer_deps="libquvi"
2140 libschroedinger_decoder_deps="libschroedinger"
2141 libschroedinger_encoder_deps="libschroedinger"
2142 libshine_encoder_deps="libshine"
2143 libshine_encoder_select="audio_frame_queue"
2144 libspeex_decoder_deps="libspeex"
2145 libspeex_encoder_deps="libspeex"
2146 libspeex_encoder_select="audio_frame_queue"
2147 libstagefright_h264_decoder_deps="libstagefright_h264"
2148 libtheora_encoder_deps="libtheora"
2149 libtwolame_encoder_deps="libtwolame"
2150 libvo_aacenc_encoder_deps="libvo_aacenc"
2151 libvo_aacenc_encoder_select="audio_frame_queue"
2152 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2153 libvorbis_decoder_deps="libvorbis"
2154 libvorbis_encoder_deps="libvorbis"
2155 libvorbis_encoder_select="audio_frame_queue"
2156 libvpx_vp8_decoder_deps="libvpx"
2157 libvpx_vp8_encoder_deps="libvpx"
2158 libvpx_vp9_decoder_deps="libvpx"
2159 libvpx_vp9_encoder_deps="libvpx"
2160 libwavpack_encoder_deps="libwavpack"
2161 libwebp_encoder_deps="libwebp"
2162 libx264_encoder_deps="libx264"
2163 libx264rgb_encoder_deps="libx264"
2164 libxavs_encoder_deps="libxavs"
2165 libxvid_encoder_deps="libxvid"
2166 libutvideo_decoder_deps="libutvideo"
2167 libutvideo_encoder_deps="libutvideo"
2168 libzvbi_teletext_decoder_deps="libzvbi"
2171 ac3_demuxer_select="ac3_parser"
2172 asf_demuxer_select="riffdec"
2173 asf_muxer_select="riffenc"
2174 asf_stream_muxer_select="asf_muxer"
2175 avi_demuxer_select="riffdec"
2176 avi_muxer_select="riffenc"
2177 avisynth_demuxer_deps="avisynth"
2178 avisynth_demuxer_select="riffdec"
2179 caf_demuxer_select="riffdec"
2180 dirac_demuxer_select="dirac_parser"
2181 dts_demuxer_select="dca_parser"
2182 dtshd_demuxer_select="dca_parser"
2183 dxa_demuxer_select="riffdec"
2184 eac3_demuxer_select="ac3_parser"
2185 f4v_muxer_select="mov_muxer"
2186 flac_demuxer_select="flac_parser"
2187 hds_muxer_select="flv_muxer"
2188 hls_muxer_select="mpegts_muxer"
2189 ipod_muxer_select="mov_muxer"
2190 ismv_muxer_select="mov_muxer"
2191 libnut_demuxer_deps="libnut"
2192 libnut_muxer_deps="libnut"
2193 matroska_audio_muxer_select="matroska_muxer"
2194 matroska_demuxer_select="riffdec"
2195 matroska_demuxer_suggest="bzlib lzo zlib"
2196 matroska_muxer_select="riffenc"
2197 mmf_muxer_select="riffenc"
2198 mov_demuxer_select="riffdec"
2199 mov_demuxer_suggest="zlib"
2200 mov_muxer_select="riffenc rtpenc_chain"
2201 mp3_demuxer_select="mpegaudio_parser"
2202 mp4_muxer_select="mov_muxer"
2203 mpegts_muxer_select="adts_muxer latm_muxer"
2204 mpegtsraw_demuxer_select="mpegts_demuxer"
2205 mxf_d10_muxer_select="mxf_muxer"
2206 nut_muxer_select="riffenc"
2207 nuv_demuxer_select="riffdec"
2208 ogg_demuxer_select="golomb"
2209 psp_muxer_select="mov_muxer"
2210 rtp_demuxer_select="sdp_demuxer"
2211 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2212 rtsp_demuxer_select="http_protocol rtpdec"
2213 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2214 sap_demuxer_select="sdp_demuxer"
2215 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2216 sdp_demuxer_select="rtpdec"
2217 smoothstreaming_muxer_select="ismv_muxer"
2218 spdif_muxer_select="aac_parser"
2219 tak_demuxer_select="tak_parser"
2220 tg2_muxer_select="mov_muxer"
2221 tgp_muxer_select="mov_muxer"
2222 vobsub_demuxer_select="mpegps_demuxer"
2223 w64_demuxer_select="wav_demuxer"
2224 w64_muxer_select="wav_muxer"
2225 wav_demuxer_select="riffdec"
2226 wav_muxer_select="riffenc"
2227 webm_muxer_select="riffenc"
2228 wtv_demuxer_select="riffdec"
2229 xmv_demuxer_select="riffdec"
2230 xwma_demuxer_select="riffdec"
2233 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2234 alsa_outdev_deps="alsa_asoundlib_h"
2235 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2236 caca_outdev_deps="libcaca"
2237 dshow_indev_deps="IBaseFilter"
2238 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2239 dv1394_indev_deps="dv1394"
2240 dv1394_indev_select="dv_demuxer"
2241 fbdev_indev_deps="linux_fb_h"
2242 fbdev_outdev_deps="linux_fb_h"
2243 iec61883_indev_deps="libiec61883"
2244 jack_indev_deps="jack_jack_h sem_timedwait"
2245 lavfi_indev_deps="avfilter"
2246 libcdio_indev_deps="libcdio"
2247 libdc1394_indev_deps="libdc1394"
2248 libv4l2_indev_deps="libv4l2"
2249 openal_indev_deps="openal"
2250 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2251 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2252 pulse_indev_deps="libpulse"
2253 pulse_outdev_deps="libpulse"
2254 sdl_outdev_deps="sdl"
2255 sndio_indev_deps="sndio_h"
2256 sndio_outdev_deps="sndio_h"
2257 v4l_indev_deps="linux_videodev_h"
2258 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2259 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2260 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2261 vfwcap_indev_extralibs="-lavicap32"
2262 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2263 xv_outdev_extralibs="-lXv -lX11 -lXext"
2264 x11grab_indev_deps="x11grab"
2267 bluray_protocol_deps="libbluray"
2268 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2269 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2270 ffrtmpcrypt_protocol_select="tcp_protocol"
2271 ffrtmphttp_protocol_deps="!librtmp_protocol"
2272 ffrtmphttp_protocol_select="http_protocol"
2273 ftp_protocol_select="tcp_protocol"
2274 gopher_protocol_select="network"
2275 httpproxy_protocol_select="tcp_protocol"
2276 http_protocol_select="tcp_protocol"
2277 https_protocol_select="tls_protocol"
2278 librtmp_protocol_deps="librtmp"
2279 librtmpe_protocol_deps="librtmp"
2280 librtmps_protocol_deps="librtmp"
2281 librtmpt_protocol_deps="librtmp"
2282 librtmpte_protocol_deps="librtmp"
2283 libssh_protocol_deps="libssh"
2284 mmsh_protocol_select="http_protocol"
2285 mmst_protocol_select="network"
2286 rtmp_protocol_deps="!librtmp_protocol"
2287 rtmp_protocol_select="tcp_protocol"
2288 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2289 rtmps_protocol_deps="!librtmp_protocol"
2290 rtmps_protocol_select="tls_protocol"
2291 rtmpt_protocol_select="ffrtmphttp_protocol"
2292 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2293 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2294 rtp_protocol_select="udp_protocol"
2295 sctp_protocol_deps="struct_sctp_event_subscribe"
2296 sctp_protocol_select="network"
2297 srtp_protocol_select="rtp_protocol"
2298 tcp_protocol_select="network"
2299 tls_protocol_deps_any="openssl gnutls"
2300 tls_protocol_select="tcp_protocol"
2301 udp_protocol_select="network"
2302 unix_protocol_deps="sys_un_h"
2303 unix_protocol_select="network"
2306 aconvert_filter_deps="swresample"
2307 amovie_filter_deps="avcodec avformat"
2308 aresample_filter_deps="swresample"
2309 ass_filter_deps="libass"
2310 asyncts_filter_deps="avresample"
2311 atempo_filter_deps="avcodec"
2312 atempo_filter_select="rdft"
2313 azmq_filter_deps="libzmq"
2314 blackframe_filter_deps="gpl"
2315 boxblur_filter_deps="gpl"
2316 colormatrix_filter_deps="gpl"
2317 cropdetect_filter_deps="gpl"
2318 dctdnoiz_filter_deps="avcodec"
2319 dctdnoiz_filter_select="fft"
2320 delogo_filter_deps="gpl"
2321 deshake_filter_deps="avcodec"
2322 deshake_filter_select="dsputil"
2323 drawtext_filter_deps="libfreetype"
2324 ebur128_filter_deps="gpl"
2325 flite_filter_deps="libflite"
2326 frei0r_filter_deps="frei0r dlopen"
2327 frei0r_filter_extralibs='$ldl'
2328 frei0r_src_filter_deps="frei0r dlopen"
2329 frei0r_src_filter_extralibs='$ldl'
2330 geq_filter_deps="gpl"
2331 histeq_filter_deps="gpl"
2332 hqdn3d_filter_deps="gpl"
2333 interlace_filter_deps="gpl"
2334 kerndeint_filter_deps="gpl"
2335 ladspa_filter_deps="ladspa dlopen"
2336 mcdeint_filter_deps="avcodec gpl"
2337 movie_filter_deps="avcodec avformat"
2338 mp_filter_deps="gpl avcodec swscale inline_asm"
2339 mpdecimate_filter_deps="gpl avcodec"
2340 mptestsrc_filter_deps="gpl"
2341 negate_filter_deps="lut_filter"
2342 perspective_filter_deps="gpl"
2343 resample_filter_deps="avresample"
2344 ocv_filter_deps="libopencv"
2345 owdenoise_filter_deps="gpl"
2346 pan_filter_deps="swresample"
2347 phase_filter_deps="gpl"
2348 pp_filter_deps="gpl postproc"
2349 pullup_filter_deps="gpl"
2350 removelogo_filter_deps="avcodec avformat swscale"
2351 sab_filter_deps="gpl swscale"
2352 scale_filter_deps="swscale"
2353 smartblur_filter_deps="gpl swscale"
2354 showspectrum_filter_deps="avcodec"
2355 showspectrum_filter_select="rdft"
2356 spp_filter_deps="gpl avcodec"
2357 spp_filter_select="fft"
2358 stereo3d_filter_deps="gpl"
2359 subtitles_filter_deps="avformat avcodec libass"
2360 super2xsai_filter_deps="gpl"
2361 tinterlace_filter_deps="gpl"
2362 vidstabdetect_filter_deps="libvidstab"
2363 vidstabtransform_filter_deps="libvidstab"
2364 yadif_filter_deps="gpl"
2365 pixfmts_super2xsai_test_deps="super2xsai_filter"
2366 tinterlace_merge_test_deps="tinterlace_filter"
2367 tinterlace_pad_test_deps="tinterlace_filter"
2368 zmq_filter_deps="libzmq"
2371 decoding_encoding_example_deps="avcodec avutil"
2372 demuxing_decoding_example_deps="avcodec avformat avutil"
2373 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2374 filtering_video_example_deps="avfilter avcodec avformat avutil"
2375 metadata_example_deps="avformat avutil"
2376 muxing_example_deps="avcodec avformat avutil swscale"
2377 resampling_audio_example_deps="avutil swresample"
2378 scaling_video_example_deps="avutil swscale"
2379 transcode_aac_example_deps="avcodec avformat swresample"
2382 avcodec_deps="avutil"
2383 avdevice_deps="avutil avcodec avformat"
2384 avfilter_deps="avutil"
2385 avformat_deps="avutil avcodec"
2386 avresample_deps="avutil"
2387 postproc_deps="avutil gpl"
2388 swscale_deps="avutil"
2391 ffmpeg_deps="avcodec avfilter avformat swresample"
2392 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2394 setpts_filter trim_filter"
2395 ffplay_deps="avcodec avformat swscale swresample sdl"
2396 ffplay_select="rdft crop_filter"
2397 ffprobe_deps="avcodec avformat"
2398 ffserver_deps="avformat fork sarestart"
2399 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2400 ffserver_extralibs='$ldl'
2403 podpages_deps="perl"
2404 manpages_deps="perl pod2man"
2405 htmlpages_deps="perl texi2html"
2406 txtpages_deps="perl makeinfo"
2407 doc_deps_any="manpages htmlpages podpages txtpages"
2409 # default parameters
2411 logfile="config.log"
2413 # installation paths
2414 prefix_default="/usr/local"
2415 bindir_default='${prefix}/bin'
2416 datadir_default='${prefix}/share/ffmpeg'
2417 docdir_default='${prefix}/share/doc/ffmpeg'
2418 incdir_default='${prefix}/include'
2419 libdir_default='${prefix}/lib'
2420 mandir_default='${prefix}/share/man'
2421 shlibdir_default="$libdir_default"
2427 host_cc_default="gcc"
2433 pkg_config_default=pkg-config
2435 strip_default="strip"
2436 yasmexe_default="yasm"
2437 windres_default="windres"
2442 arch_default=$(uname -m)
2446 target_os_default=$(tolower $(uname -s))
2447 host_os=$target_os_default
2449 # configurable options
2450 enable $PROGRAM_LIST
2451 enable $DOCUMENT_LIST
2452 enable $EXAMPLE_LIST
2453 enable $(filter_out avresample $LIBRARY_LIST)
2459 enable optimizations
2460 enable runtime_cpudetect
2461 enable safe_bitstream_reader
2463 enable swscale_alpha
2465 # Enable hwaccels by default.
2466 enable dxva2 vaapi vdpau xvmc
2469 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2472 FULLNAME='$(NAME)$(BUILDSUF)'
2473 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2476 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2477 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2478 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2479 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2480 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2481 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2503 host_cppflags='-D_ISOC99_SOURCE'
2505 host_cflags_filter=echo
2506 host_ldflags_filter=echo
2508 target_path='$(CURDIR)'
2510 # since the object filename is not given with the -MM flag, the compiler
2511 # is only able to print the basename, and we must add the path ourselves
2512 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2516 if test -f configure; then
2519 source_path=$(cd $(dirname "$0"); pwd)
2520 echo "$source_path" | grep -q '[[:blank:]]' &&
2521 die "Out of tree builds are impossible with whitespace in source path."
2522 test -e "$source_path/config.h" &&
2523 die "Out of tree builds are impossible with config.h in source dir."
2530 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2536 file=$source_path/$3
2537 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2540 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2541 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2542 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2543 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2544 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2545 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2546 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2547 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2548 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2549 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2550 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2566 for n in $COMPONENT_LIST; do
2567 v=$(toupper ${n%s})_LIST
2569 eval ${n}_if_any="\$$v"
2572 enable $ARCH_EXT_LIST
2575 echo "Unknown option \"$1\"."
2576 echo "See $0 --help for available options."
2581 cat | tr ' ' '\n' | sort | pr -r -3 -t
2587 echo $* | sed s/$suffix//g | print_3_columns
2599 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2600 echo "prob ${prob:-0.5}"
2608 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2609 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2619 add_extralibs $optval
2622 disable $INDEV_LIST $OUTDEV_LIST
2625 debuglevel="$optval"
2628 disable $PROGRAM_LIST
2630 --disable-everything)
2631 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2634 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2635 disable $LIBRARY_LIST $PROGRAM_LIST doc
2637 --enable-random|--disable-random)
2638 action=${opt%%-random}
2639 do_random ${action#--} $COMPONENT_LIST
2641 --enable-random=*|--disable-random=*)
2642 action=${opt%%-random=*}
2643 do_random ${action#--} $optval
2645 --enable-*=*|--disable-*=*)
2646 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2647 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2648 eval list=\$$(toupper $thing)_LIST
2649 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2650 list=$(filter "$name" $list)
2651 [ "$list" = "" ] && warn "Option $opt did not match anything"
2654 --enable-?*|--disable-?*)
2655 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2656 if is_in $option $COMPONENT_LIST; then
2657 test $action = disable && action=unset
2658 eval $action \$$(toupper ${option%s})_LIST
2659 elif is_in $option $CMDLINE_SELECT; then
2666 NAME="${opt#--list-}"
2667 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2669 eval show_list $NAME \$$(toupper $NAME)_LIST
2671 --help|-h) show_help
2673 --fatal-warnings) enable fatal_warnings
2676 optname="${opt%%=*}"
2677 optname="${optname#--}"
2678 optname=$(echo "$optname" | sed 's/-/_/g')
2679 if is_in $optname $CMDLINE_SET; then
2680 eval $optname='$optval'
2681 elif is_in $optname $CMDLINE_APPEND; then
2682 append $optname "$optval"
2690 disabled logging && logfile=/dev/null
2692 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2695 test -n "$cross_prefix" && enable cross_compile
2697 if enabled cross_compile; then
2698 test -n "$arch" && test -n "$target_os" ||
2699 die "Must specify target arch and OS when cross-compiling"
2702 ar_default="${cross_prefix}${ar_default}"
2703 cc_default="${cross_prefix}${cc_default}"
2704 cxx_default="${cross_prefix}${cxx_default}"
2705 nm_default="${cross_prefix}${nm_default}"
2706 pkg_config_default="${cross_prefix}${pkg_config_default}"
2707 ranlib="${cross_prefix}${ranlib}"
2708 strip_default="${cross_prefix}${strip_default}"
2709 windres_default="${cross_prefix}${windres_default}"
2711 sysinclude_default="${sysroot}/usr/include"
2713 test -n "$valgrind" && toolchain="valgrind-memcheck"
2715 case "$toolchain" in
2718 add_cflags -fsanitize=address
2719 add_ldflags -fsanitize=address
2723 add_cflags -fsanitize=thread -pie
2724 add_ldflags -fsanitize=thread -pie
2728 add_cflags -fsanitize=address
2729 add_ldflags -fsanitize=address
2733 add_cflags -fsanitize=thread -pie -fPIC
2734 add_ldflags -fsanitize=thread -pie -fPIC
2737 target_exec_default=${valgrind:-"valgrind"}
2738 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
2741 target_exec_default=${valgrind:-"valgrind"}
2742 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2745 # Check whether the current MSVC version needs the C99 converter.
2746 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2747 # support enough of C99 to build ffmpeg. Default to the new
2748 # behaviour if the regexp was unable to match anything, since this
2749 # successfully parses the version number of existing supported
2750 # versions that require the converter (MSVC 2010 and 2012).
2751 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2752 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2755 cc_default="c99wrap cl"
2758 nm_default="dumpbin -symbols"
2760 target_os_default="win32"
2761 # Use a relative path for TMPDIR. This makes sure all the
2762 # ffconf temp files are written with a relative path, avoiding
2763 # issues with msys/win32 path conversion for MSVC parameters
2764 # such as -Fo<file> or -out:<file>.
2770 nm_default="dumpbin -symbols"
2772 target_os_default="win32"
2776 add_cflags -fprofile-arcs -ftest-coverage
2777 add_ldflags -fprofile-arcs -ftest-coverage
2780 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2781 add_ldflags -Wl,-z,relro -Wl,-z,now
2784 die "Unknown toolchain $toolchain"
2788 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2789 enabled cross_compile || host_cc_default=$cc
2792 if ! $pkg_config --version >/dev/null 2>&1; then
2793 warn "$pkg_config not found, library detection may fail."
2799 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2803 EXESUF=$(exesuf $target_os)
2804 HOSTEXESUF=$(exesuf $host_os)
2806 # set temporary file name
2807 : ${TMPDIR:=$TEMPDIR}
2811 if [ -n "$tempprefix" ] ; then
2813 echo $tempprefix.${HOSTNAME}.${UID}
2815 elif ! check_cmd mktemp -u XXXXXX; then
2816 # simple replacement for missing mktemp
2817 # NOT SAFE FOR GENERAL USE
2819 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2824 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2825 (set -C; exec > $tmp) 2>/dev/null ||
2826 die "Unable to create temporary file in $TMPDIR."
2827 append TMPFILES $tmp
2831 trap 'rm -f -- $TMPFILES' EXIT
2836 tmpfile TMPE $EXESUF
2847 # make sure we can execute files in $TMPDIR
2848 cat > $TMPSH 2>> $logfile <<EOF
2851 chmod +x $TMPSH >> $logfile 2>&1
2852 if ! $TMPSH >> $logfile 2>&1; then
2854 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2855 variable to another directory and make sure that it is not mounted noexec.
2857 die "Sanity test failed."
2863 -std=c99) echo -c99 ;;
2864 -mcpu=*) echo -arch ${flag#*=} ;;
2865 -mieee) echo -ieee ;;
2866 -O*|-fast) echo $flag ;;
2867 -fno-math-errno) echo -assume nomath_errno ;;
2869 -Wall) echo -msg_enable level2 ;;
2870 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2871 -Wl,*) echo $flag ;;
2881 -Wno-switch) echo -Wno-switch-enum ;;
2882 -Wno-format-zero-length) ;;
2883 -Wdisabled-optimization) ;;
2884 -Wno-pointer-sign) echo -Wno-other ;;
2890 msvc_common_flags(){
2893 # In addition to specifying certain flags under the compiler
2894 # specific filters, they must be specified here as well or else the
2895 # generic catch all at the bottom will print the original flag.
2899 -fomit-frame-pointer) ;;
2903 -fno-signed-zeros) ;;
2907 -lz) echo zlib.lib ;;
2908 -lavifil32) echo vfw32.lib ;;
2909 -lavicap32) echo vfw32.lib user32.lib ;;
2910 -l*) echo ${flag#-l}.lib ;;
2917 msvc_common_flags "$@"
2920 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2921 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2922 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2930 msvc_common_flags "$@"
2933 # Despite what Intel's documentation says -Wall, which is supported
2934 # on Windows, does enable remarks so disable them here.
2935 -Wall) echo $flag -Qdiag-disable:remark ;;
2936 -std=c99) echo -Qstd=c99 ;;
2944 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2945 -fomit-frame-pointer) echo -Mnoframe ;;
2956 case "${flag#*=}" in
2957 native) echo -xtarget=native ;;
2958 v9|niagara) echo -xarch=sparc ;;
2959 ultrasparc) echo -xarch=sparcvis ;;
2960 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2961 i586|pentium) echo -xchip=pentium ;;
2962 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2963 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2964 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2965 pentium4*) echo -xtarget=pentium4 ;;
2966 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2967 *-sse3) echo -xarch=sse3 ;;
2968 core2) echo -xarch=ssse3 -xchip=core2 ;;
2969 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2970 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2971 amdfam10|barcelona) echo -xtarget=barcelona ;;
2972 bdver*) echo -xarch=avx ;;
2973 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2974 k8|opteron|athlon64|athlon-fx)
2975 echo -xarch=sse2a ;;
2976 athlon*) echo -xarch=pentium_proa ;;
2979 -std=c99) echo -xc99 ;;
2980 -fomit-frame-pointer) echo -xregs=frameptr ;;
2981 -fPIC) echo -KPIC -xcode=pic32 ;;
2982 -W*,*) echo $flag ;;
2983 -f*-*|-W*|-mimpure-text) ;;
2994 case "${flag#*=}" in
2995 armv7-a|cortex-a*) echo -mv=7a8 ;;
2996 armv7-r|cortex-r*) echo -mv=7r4 ;;
2997 armv7-m|cortex-m*) echo -mv=7m3 ;;
2998 armv6*|arm11*) echo -mv=6 ;;
2999 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3001 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3004 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3005 -mfpu=vfp) echo --float_support=vfpv2 ;;
3006 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3007 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3008 -msoft-float) echo --float_support=vfplib ;;
3009 -O[0-3]|-mf=*) echo $flag ;;
3011 -pds=*) echo $flag ;;
3012 -D*|-I*) echo $flag ;;
3013 --gcc|--abi=*) echo $flag ;;
3023 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3024 unset _ld_o _ldflags _ld_lib _ld_path
3025 unset _depflags _DEPCMD _DEPFLAGS
3028 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3029 true # no-op to avoid reading stdin in following checks
3030 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3032 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3033 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3034 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3037 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3039 gcc_version=$($_cc --version | head -n1)
3040 gcc_basever=$($_cc -dumpversion)
3041 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3042 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3043 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3044 if ! $_cc -dumpversion | grep -q '^2\.'; then
3045 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3049 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3051 _ident=$($_cc --version | head -n1)
3056 elif $_cc -v 2>&1 | grep -q xlc; then
3058 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3060 _cflags_size='-O5 -qcompact'
3061 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3063 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3065 _cflags_speed='-fast'
3067 _flags_filter=ccc_flags
3068 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3069 test -d "$sysroot" || die "No valid sysroot specified."
3071 _ident=$($_cc --vsn | head -n1)
3072 armcc_conf="$PWD/armcc.conf"
3073 $_cc --arm_linux_configure \
3074 --arm_linux_config_file="$armcc_conf" \
3075 --configure_sysroot="$sysroot" \
3076 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3077 die "Error creating armcc configuration file."
3078 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3079 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3080 as_default="${cross_prefix}gcc"
3084 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3086 _ident=$($_cc -version | head -n1 | tr -s ' ')
3087 _flags='--gcc --abi=eabi -me'
3090 _depflags='-ppa -ppd=$(@:.o=.d)'
3091 _cflags_speed='-O3 -mf=5'
3092 _cflags_size='-O3 -mf=2'
3093 _flags_filter=tms470_flags
3094 elif $_cc -v 2>&1 | grep -q clang; then
3096 _ident=$($_cc --version | head -n1)
3100 elif $_cc -V 2>&1 | grep -q Sun; then
3102 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3103 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3104 _DEPFLAGS='-xM1 -xc99'
3107 _cflags_size='-O5 -xspace'
3108 _flags_filter=suncc_flags
3109 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3111 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3112 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3115 _flags_filter='filter_out -Wdisabled-optimization'
3116 elif $_cc -v 2>&1 | grep -q Open64; then
3118 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3119 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3122 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3123 elif $_cc -V 2>&1 | grep -q Portland; then
3125 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3126 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3127 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3128 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3130 _flags_filter=pgi_flags
3131 elif $_cc 2>&1 | grep -q Microsoft; then
3133 _ident=$($cc 2>&1 | head -n1)
3134 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3135 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3138 if $_cc 2>&1 | grep -q Linker; then
3145 _flags_filter=msvc_flags
3147 _ld_path='-libpath:'
3149 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3150 if [ $pfx = hostcc ]; then
3151 append _cflags -Dsnprintf=_snprintf
3154 elif $_cc 2>&1 | grep -q Intel; then
3156 _ident=$($cc 2>&1 | head -n1)
3157 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3158 # Not only is O3 broken on 13.x+ but it is slower on all previous
3159 # versions (tested) as well.
3161 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3162 if $_cc 2>&1 | grep -q Linker; then
3169 _flags_filter=icl_flags
3171 _ld_path='-libpath:'
3172 # -Qdiag-error to make icl error when seeing certain unknown arguments
3173 _flags='-nologo -Qdiag-error:4044,10157'
3174 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3175 # with MSVC which enables it by default.
3176 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3177 if [ $pfx = hostcc ]; then
3178 append _cflags -Dsnprintf=_snprintf
3180 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3182 _ident=$($_cc --version | head -n1)
3186 _flags_filter=cparser_flags
3189 eval ${pfx}_type=\$_type
3190 eval ${pfx}_ident=\$_ident
3194 eval ${1}_C=\${_cc_c-\${${1}_C}}
3195 eval ${1}_E=\${_cc_e-\${${1}_E}}
3196 eval ${1}_O=\${_cc_o-\${${1}_O}}
3198 if [ -n "$_depflags" ]; then
3199 eval ${1}_DEPFLAGS=\$_depflags
3201 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3202 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3203 eval DEP${1}FLAGS=\$_flags
3208 cflags_filter=$_flags_filter
3209 cflags_speed=$_cflags_speed
3210 cflags_size=$_cflags_size
3211 cflags_noopt=$_cflags_noopt
3212 add_cflags $_flags $_cflags
3213 cc_ldflags=$_ldflags
3216 probe_cc hostcc "$host_cc"
3217 host_cflags_filter=$_flags_filter
3218 add_host_cflags $_flags $_cflags
3221 test -n "$cc_type" && enable $cc_type ||
3222 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3224 : ${as_default:=$cc}
3225 : ${dep_cc_default:=$cc}
3226 : ${ld_default:=$cc}
3227 : ${host_ld_default:=$host_cc}
3228 set_default ar as dep_cc ld host_ld windres
3231 asflags_filter=$_flags_filter
3232 add_asflags $_flags $_cflags
3236 ldflags_filter=$_flags_filter
3237 add_ldflags $_flags $_ldflags
3238 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3240 LD_LIB=${_ld_lib-$LD_LIB}
3241 LD_PATH=${_ld_path-$LD_PATH}
3243 probe_cc hostld "$host_ld"
3244 host_ldflags_filter=$_flags_filter
3245 add_host_ldflags $_flags $_ldflags
3246 HOSTLD_O=${_ld_o-$HOSTLD_O}
3248 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3249 probe_cc depcc "$dep_cc"
3250 CCDEP=${_DEPCMD:-$DEPCMD}
3251 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3255 if $ar 2>&1 | grep -q Microsoft; then
3258 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3261 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3262 arflags='-Xany -r -c'
3269 add_cflags $extra_cflags
3270 add_cxxflags $extra_cxxflags
3271 add_asflags $extra_cflags
3273 if test -n "$sysroot"; then
3276 add_cppflags --sysroot="$sysroot"
3277 add_ldflags --sysroot="$sysroot"
3280 add_cppflags -I"$sysinclude"
3281 add_ldflags --sysroot="$sysroot"
3286 if test "$cpu" = host; then
3287 enabled cross_compile &&
3288 die "--cpu=host makes no sense when cross-compiling."
3293 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3295 s/.*$1=\\([^ ]*\\).*/\\1/
3300 cpu=$(check_native -march || check_native -mcpu)
3304 test "${cpu:-host}" = host &&
3305 die "--cpu=host not supported with compiler $cc"
3308 # Deal with common $arch aliases
3322 "Power Macintosh"|ppc*|powerpc*)
3337 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3342 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3345 # Add processor-specific flags
3346 if enabled aarch64; then
3350 cpuflags="-march=$cpu"
3353 cpuflags="-mcpu=$cpu"
3357 elif enabled alpha; then
3359 cpuflags="-mcpu=$cpu"
3361 elif enabled arm; then
3364 check_cpp_condition stddef.h \
3365 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3370 if check_arm_arch 4; then echo armv4;
3371 elif check_arm_arch 4T; then echo armv4t;
3372 elif check_arm_arch 5; then echo armv5;
3373 elif check_arm_arch 5E; then echo armv5e;
3374 elif check_arm_arch 5T; then echo armv5t;
3375 elif check_arm_arch 5TE; then echo armv5te;
3376 elif check_arm_arch 5TEJ; then echo armv5te;
3377 elif check_arm_arch 6; then echo armv6;
3378 elif check_arm_arch 6J; then echo armv6j;
3379 elif check_arm_arch 6K; then echo armv6k;
3380 elif check_arm_arch 6Z; then echo armv6z;
3381 elif check_arm_arch 6ZK; then echo armv6zk;
3382 elif check_arm_arch 6T2; then echo armv6t2;
3383 elif check_arm_arch 7; then echo armv7;
3384 elif check_arm_arch 7A 7_A; then echo armv7-a;
3385 elif check_arm_arch 7R 7_R; then echo armv7-r;
3386 elif check_arm_arch 7M 7_M; then echo armv7-m;
3387 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3388 elif check_arm_arch 8A 8_A; then echo armv8-a;
3392 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3396 cpuflags="-march=$cpu"
3397 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3400 cpuflags="-mcpu=$cpu"
3402 cortex-a*) subarch=armv7a ;;
3403 cortex-r*) subarch=armv7r ;;
3404 cortex-m*) enable thumb; subarch=armv7m ;;
3405 arm11*) subarch=armv6 ;;
3406 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3407 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3408 *) subarch=$(probe_arm_arch) ;;
3414 armv5t*) enable fast_clz ;;
3415 armv[6-8]*) enable fast_clz fast_unaligned ;;
3418 elif enabled avr32; then
3423 cpuflags="-mpart=$cpu"
3427 cpuflags="-march=$cpu"
3431 cpuflags="-mcpu=$cpu"
3435 cpuflags="-march=$cpu"
3439 elif enabled bfin; then
3441 cpuflags="-mcpu=$cpu"
3443 elif enabled mips; then
3445 cpuflags="-march=$cpu"
3461 24kef*|34kf*|1004kf*)
3469 elif enabled ppc; then
3471 case $(tolower $cpu) in
3472 601|ppc601|powerpc601)
3473 cpuflags="-mcpu=601"
3476 603*|ppc603*|powerpc603*)
3477 cpuflags="-mcpu=603"
3480 604*|ppc604*|powerpc604*)
3481 cpuflags="-mcpu=604"
3484 g3|75*|ppc75*|powerpc75*)
3485 cpuflags="-mcpu=750"
3488 g4|745*|ppc745*|powerpc745*)
3489 cpuflags="-mcpu=7450"
3491 74*|ppc74*|powerpc74*)
3492 cpuflags="-mcpu=7400"
3494 g5|970|ppc970|powerpc970)
3495 cpuflags="-mcpu=970"
3498 cpuflags="-mcpu=$cpu"
3501 cpuflags="-mcpu=cell"
3505 cpuflags="-mcpu=e500mc"
3509 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3513 cpuflags="-mcpu=8540 -mhard-float"
3518 elif enabled sparc; then
3521 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3522 cpuflags="-mcpu=$cpu"
3525 ultrasparc*|niagara[234])
3526 cpuflags="-mcpu=$cpu"
3530 elif enabled x86; then
3534 cpuflags="-march=$cpu"
3537 # targets that do NOT support nopl and conditional mov (cmov)
3538 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3539 cpuflags="-march=$cpu"
3542 # targets that do support nopl and conditional mov (cmov)
3543 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3544 cpuflags="-march=$cpu"
3548 # targets that do support conditional mov but on which it's slow
3549 pentium4|pentium4m|prescott|nocona)
3550 cpuflags="-march=$cpu"
3558 if [ "$cpu" != generic ]; then
3559 add_cflags $cpuflags
3560 add_asflags $cpuflags
3563 # compiler sanity check
3565 int main(void){ return 0; }
3567 if test "$?" != 0; then
3568 echo "$cc is unable to create an executable file."
3569 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3570 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3571 echo "Only do this if you know what cross compiling means."
3573 die "C compiler test failed."
3576 add_cppflags -D_ISOC99_SOURCE
3577 add_cxxflags -D__STDC_CONSTANT_MACROS
3578 check_cflags -std=c99
3579 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3582 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3586 check_host_cflags -std=c99
3587 check_host_cflags -Wall
3593 check_code cc "" "int test[2*($expr) - 1]" &&
3594 subarch=$arch64 || subarch=$arch32
3602 check_64bit mips mips64 '_MIPS_SIM > 1'
3606 check_64bit parisc parisc64 'sizeof(void *) > 4'
3610 check_64bit ppc ppc64 'sizeof(void *) > 4'
3614 check_64bit sparc sparc64 'sizeof(void *) > 4'
3618 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3619 if test "$subarch" = "x86_64"; then
3624 check_cc <<EOF && subarch="ppc64"
3625 int test[(int)sizeof(char*) - 7];
3631 enabled spic && enable_weak pic
3637 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3638 enabled shared && add_ldflags -Wl,-brtl
3641 prefix_default="/boot/common"
3642 network_extralibs="-lnetwork"
3646 SHFLAGS='-shared -Wl,-h,$$(@F)'
3647 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3648 network_extralibs="-lsocket -lnsl"
3649 # When using suncc to build, the Solaris linker will mark
3650 # an executable with each instruction set encountered by
3651 # the Solaris assembler. As our libraries contain their own
3652 # guards for processor-specific code, instead suppress
3653 # generation of the HWCAPS ELF section on Solaris x86 only.
3654 enabled_all suncc x86 &&
3655 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3656 add_ldflags -Wl,-M,mapfile
3657 nm_default='nm -P -g'
3661 oss_indev_extralibs="-lossaudio"
3662 oss_outdev_extralibs="-lossaudio"
3663 enabled gcc || check_ldflags -Wl,-zmuldefs
3668 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3670 oss_indev_extralibs="-lossaudio"
3671 oss_outdev_extralibs="-lossaudio"
3679 add_extralibs -lpoll -lgnugetopt
3683 gas="gas-preprocessor.pl $cc"
3684 enabled ppc && add_asflags -force_cpusubtype_ALL
3685 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3686 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3688 add_ldflags -Wl,-dynamic,-search_paths_first
3690 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3691 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3693 enabled x86_64 && objformat="macho64"
3694 enabled_any pic shared ||
3695 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3698 if test $target_os = "mingw32ce"; then
3704 if enabled x86_64; then
3705 LIBTARGET="i386:x86-64"
3706 elif enabled arm; then
3709 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3710 check_ldflags -Wl,--nxcompat
3711 check_ldflags -Wl,--dynamicbase
3712 shlibdir_default="$bindir_default"
3715 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3716 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3717 dlltool="${cross_prefix}dlltool"
3718 if check_cmd lib.exe -list; then
3719 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3720 if enabled x86_64; then
3723 elif check_cmd $dlltool --version; then
3724 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3726 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3728 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3729 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3730 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3737 if enabled shared; then
3738 # Link to the import library instead of the normal static library
3741 # Cannot build both shared and static libs with MSVC or icl.
3744 shlibdir_default="$bindir_default"
3747 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3748 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3749 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3750 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3752 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3753 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3754 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3761 shlibdir_default="$bindir_default"
3764 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3765 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3766 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3768 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3769 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3772 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3774 *-dos|freedos|opendos)
3775 network_extralibs="-lsocket"
3778 add_cppflags -U__STRICT_ANSI__
3785 ranlib="echo ignoring ranlib"
3791 add_cppflags -D_GNU_SOURCE
3792 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3793 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3797 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3798 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3799 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3800 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3801 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3802 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3803 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3804 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3805 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3806 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3807 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3809 enable_weak os2threads
3812 add_cppflags -D_BSD_SOURCE
3817 add_cppflags -D_QNX_SOURCE
3818 network_extralibs="-lsocket"
3823 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3824 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3825 add_ldflags -Wl,--target1-abs,--no-undefined \
3826 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3827 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3828 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3829 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3830 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3833 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3838 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3839 -D_REENTRANT_SOURCE \
3840 -D_RESEARCH_SOURCE \
3843 add_compat strtod.o strtod=avpriv_strtod
3844 network_extralibs='-lbsd'
3845 exeobjs=compat/plan9/main.o
3852 die "Unknown OS '$target_os'."
3856 # determine libc flavour
3861 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3862 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3863 eval ${pfx}libc_type=uclibc
3864 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3865 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3866 eval ${pfx}libc_type=glibc
3867 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3868 # MinGW headers can be installed on Cygwin, so check for newlib first.
3869 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3870 eval ${pfx}libc_type=newlib
3871 add_${pfx}cppflags -U__STRICT_ANSI__
3872 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3873 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3874 eval ${pfx}libc_type=mingw64
3875 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3876 add_compat msvcrt/snprintf.o
3877 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3879 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3880 eval test \$${pfx_no_}cc_type = "gcc" &&
3881 add_${pfx}cppflags -D__printf__=__gnu_printf__
3882 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3883 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3884 eval ${pfx}libc_type=mingw32
3885 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3886 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3887 die "ERROR: MinGW32 runtime version must be >= 3.15."
3888 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3889 eval test \$${pfx_no_}cc_type = "gcc" &&
3890 add_${pfx}cppflags -D__printf__=__gnu_printf__
3891 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3892 eval ${pfx}libc_type=msvcrt
3893 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3894 # 0x601 by default unless something else is set by the user.
3895 # This can easily lead to us detecting functions only present
3896 # in such new versions and producing binaries requiring windows 7.0.
3897 # Therefore explicitly set the default to XP unless the user has
3898 # set something else on the command line.
3899 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3900 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3901 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3902 eval ${pfx}libc_type=klibc
3903 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3904 eval ${pfx}libc_type=bionic
3905 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3906 eval ${pfx}libc_type=solaris
3907 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3912 test -n "$libc_type" && enable libc_$libc_type
3914 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3918 add_compat strtod.o strtod=avpriv_strtod
3921 add_compat strtod.o strtod=avpriv_strtod
3922 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3923 _snprintf=avpriv_snprintf \
3924 vsnprintf=avpriv_vsnprintf
3928 # hacks for compiler/libc/os combinations
3930 if enabled_all tms470 libc_glibc; then
3931 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3932 add_cppflags -D__USER_LABEL_PREFIX__=
3933 add_cppflags -D__builtin_memset=memset
3934 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3935 add_cflags -pds=48 # incompatible redefinition of macro
3938 if enabled_all ccc libc_glibc; then
3939 add_ldflags -Wl,-z,now # calls to libots crash without this
3943 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3946 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3948 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3950 set_default $PATHS_LIST
3953 # we need to build at least one lib type
3954 if ! enabled_any static shared; then
3956 At least one library type must be built.
3957 Specify --enable-static to build the static libraries or --enable-shared to
3958 build the shared libraries as well. To only build the shared libraries specify
3959 --disable-static in addition to --enable-shared.
3964 # backward compatibility layer for incompatible_libav/fork_abi
3965 enabled incompatible_fork_abi && enable incompatible_libav_abi
3966 enabled incompatible_libav_abi && enable incompatible_fork_abi
3968 die_license_disabled() {
3969 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3972 die_license_disabled_gpl() {
3973 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3976 die_license_disabled gpl frei0r
3977 die_license_disabled gpl libcdio
3978 die_license_disabled gpl libutvideo
3979 die_license_disabled gpl libvidstab
3980 die_license_disabled gpl libx264
3981 die_license_disabled gpl libxavs
3982 die_license_disabled gpl libxvid
3983 die_license_disabled gpl libzvbi
3984 die_license_disabled gpl x11grab
3986 die_license_disabled nonfree libaacplus
3987 die_license_disabled nonfree libfaac
3988 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3989 enabled gpl && die_license_disabled_gpl nonfree openssl
3991 die_license_disabled version3 libopencore_amrnb
3992 die_license_disabled version3 libopencore_amrwb
3993 die_license_disabled version3 libvo_aacenc
3994 die_license_disabled version3 libvo_amrwbenc
3996 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3998 disabled optimizations || check_cflags -fomit-frame-pointer
4001 disabled pic && return
4004 case "$target_os" in
4014 enabled pic && enable_weak_pic
4016 check_cc <<EOF || die "Symbol mangling check failed."
4019 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4020 extern_prefix=${sym%%ff_extern*}
4022 check_cc <<EOF && enable_weak inline_asm
4023 void foo(void) { __asm__ volatile ("" ::); }
4027 for restrict_keyword in restrict __restrict__ __restrict; do
4028 check_cc <<EOF && _restrict=$restrict_keyword && break
4029 void foo(char * $restrict_keyword p);
4033 check_cc <<EOF && enable pragma_deprecated
4034 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4037 check_cc <<EOF && enable attribute_packed
4038 struct { int x; } __attribute__((packed)) x;
4041 check_cc <<EOF && enable attribute_may_alias
4042 union { int x; } __attribute__((may_alias)) x;
4045 check_cc <<EOF || die "endian test failed"
4046 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4048 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4050 check_inline_asm inline_asm_labels '"1:\n"'
4052 if enabled alpha; then
4056 elif enabled arm; then
4058 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4059 float func(float a, float b){ return a+b; }
4062 enabled thumb && check_cflags -mthumb || check_cflags -marm
4065 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4067 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4068 case "${cross_prefix:-$cc}" in
4069 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4070 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4071 __asm__ (".eabi_attribute 28, 1");
4072 int main(void) { return 0; }
4075 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4078 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4079 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4080 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4081 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4082 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4083 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4085 [ $target_os = linux ] ||
4086 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4089 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4090 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
4092 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4094 elif enabled mips; then
4096 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4097 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4098 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4099 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4100 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4101 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4102 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4103 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4104 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4106 elif enabled parisc; then
4108 if enabled gcc; then
4109 case $($cc -dumpversion) in
4110 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4114 elif enabled ppc; then
4116 enable local_aligned_8 local_aligned_16
4118 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4119 check_inline_asm ibm_asm '"add 0, 0, 0"'
4120 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4121 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4123 # AltiVec flags: The FSF version of GCC differs from the Apple version
4124 if enabled altivec; then
4125 if ! enabled_any pic ppc64; then
4128 check_cflags -maltivec -mabi=altivec &&
4129 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4130 check_cflags -faltivec
4132 # check if our compiler supports Motorola AltiVec C API
4133 check_cc <<EOF || disable altivec
4136 vector signed int v1 = (vector signed int) { 0 };
4137 vector signed int v2 = (vector signed int) { 1 };
4138 v1 = vec_add(v1, v2);
4143 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4146 elif enabled sparc; then
4148 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4150 elif enabled x86; then
4152 check_builtin rdtsc intrin.h "__rdtsc()"
4153 check_builtin mm_empty mmintrin.h "_mm_empty()"
4155 enable local_aligned_8 local_aligned_16
4157 # check whether EBP is available on x86
4158 # As 'i' is stored on the stack, this program will crash
4159 # if the base pointer is used to access it because the
4160 # base pointer is cleared in the inline assembly code.
4161 check_exec_crash <<EOF && enable ebp_available
4163 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4167 # check whether EBX is available on x86
4168 check_inline_asm ebx_available '""::"b"(0)' &&
4169 check_inline_asm ebx_available '"":::"%ebx"'
4171 # check whether xmm clobbers are supported
4172 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4174 # check whether binutils is new enough to compile SSSE3/MMXEXT
4175 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4176 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4178 if ! disabled_any asm mmx yasm; then
4179 if check_cmd $yasmexe --version; then
4180 enabled x86_64 && yasm_extra="-m amd64"
4181 yasm_debug="-g dwarf2"
4182 elif check_cmd nasm -v; then
4184 yasm_debug="-g -F dwarf"
4185 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4188 YASMFLAGS="-f $objformat $yasm_extra"
4189 enabled pic && append YASMFLAGS "-DPIC"
4190 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4191 case "$objformat" in
4192 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4195 check_yasm "movbe ecx, [5]" && enable yasm ||
4196 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4197 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4198 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4199 check_yasm "CPU amdnop" && enable cpunop
4203 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4210 if enabled asm; then
4212 check_as <<EOF && enable gnu_as || \
4213 $nogas "GNU assembler not found, install gas-preprocessor"
4221 check_ldflags -Wl,--as-needed
4223 if check_func dlopen; then
4225 elif check_func dlopen -ldl; then
4229 if ! disabled network; then
4230 check_type "sys/types.h sys/socket.h" socklen_t
4231 check_type netdb.h "struct addrinfo"
4232 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4233 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4234 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4235 check_type netinet/in.h "struct sockaddr_in6"
4236 check_type poll.h "struct pollfd"
4237 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4238 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4239 check_type netinet/sctp.h "struct sctp_event_subscribe"
4240 check_func getaddrinfo $network_extralibs
4241 check_func getservbyport $network_extralibs
4242 # Prefer arpa/inet.h over winsock2
4243 if check_header arpa/inet.h ; then
4244 check_func closesocket
4245 elif check_header winsock2.h ; then
4246 check_func_headers winsock2.h closesocket -lws2 &&
4247 network_extralibs="-lws2" ||
4248 { check_func_headers winsock2.h closesocket -lws2_32 &&
4249 network_extralibs="-lws2_32"; }
4250 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4251 check_type ws2tcpip.h socklen_t
4252 check_type ws2tcpip.h "struct addrinfo"
4253 check_type ws2tcpip.h "struct group_source_req"
4254 check_type ws2tcpip.h "struct ip_mreq_source"
4255 check_type ws2tcpip.h "struct ipv6_mreq"
4256 check_type winsock2.h "struct pollfd"
4257 check_type ws2tcpip.h "struct sockaddr_in6"
4258 check_type ws2tcpip.h "struct sockaddr_storage"
4259 check_struct winsock2.h "struct sockaddr" sa_len
4265 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4266 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4269 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4272 check_func_headers stdlib.h getenv
4273 check_func gethrtime
4275 check_func getrusage
4276 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4277 check_func gettimeofday
4278 check_func inet_aton $network_extralibs
4280 check_func localtime_r
4281 check_func ${malloc_prefix}memalign && enable memalign
4285 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4286 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4287 check_func setrlimit
4288 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4289 check_func strerror_r
4290 check_func sched_getaffinity
4291 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4292 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4293 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4294 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4295 check_builtin sarestart signal.h "SA_RESTART"
4299 check_func_headers conio.h kbhit
4300 check_func_headers windows.h PeekNamedPipe
4301 check_func_headers io.h setmode
4302 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4303 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4304 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4305 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4306 check_func_headers windows.h GetProcessAffinityMask
4307 check_func_headers windows.h GetProcessTimes
4308 check_func_headers windows.h GetSystemTimeAsFileTime
4309 check_func_headers windows.h MapViewOfFile
4310 check_func_headers windows.h SetConsoleTextAttribute
4311 check_func_headers windows.h Sleep
4312 check_func_headers windows.h VirtualAlloc
4313 check_func_headers glob.h glob
4314 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4316 check_header cl/cl.h
4317 check_header direct.h
4318 check_header dlfcn.h
4320 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4322 check_header libcrystalhd/libcrystalhd_if.h
4323 check_header malloc.h
4325 check_header sys/mman.h
4326 check_header sys/param.h
4327 check_header sys/resource.h
4328 check_header sys/select.h
4329 check_header sys/time.h
4330 check_header sys/un.h
4331 check_header termios.h
4332 check_header unistd.h
4333 check_header vdpau/vdpau.h
4334 check_header vdpau/vdpau_x11.h
4335 check_header VideoDecodeAcceleration/VDADecoder.h
4336 check_header windows.h
4337 check_header X11/extensions/XvMClib.h
4338 check_header asm/types.h
4340 if ! disabled w32threads && ! enabled pthreads; then
4341 check_func_headers "windows.h process.h" _beginthreadex &&
4342 enable w32threads || disable w32threads
4345 # check for some common methods of building with pthread support
4346 # do this before the optional library checks as some of them require pthreads
4347 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4349 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4351 add_extralibs -pthread
4352 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4353 add_cflags -pthreads
4354 add_extralibs -pthreads
4355 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4356 add_extralibs -lpthreadGC2
4357 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4359 elif ! check_func pthread_join && ! check_func pthread_create; then
4362 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4365 for thread in $THREADS_LIST; do
4366 if enabled $thread; then
4367 test -n "$thread_type" &&
4368 die "ERROR: Only one thread type must be selected." ||
4369 thread_type="$thread"
4373 if enabled pthreads; then
4374 check_func pthread_cancel
4377 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4378 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4380 check_lib math.h sin -lm && LIBM="-lm"
4381 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4387 for func in $MATH_FUNCS; do
4388 eval check_mathfunc $func \${${func}_args:-1}
4391 # these are off by default, so fail if requested and not available
4392 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4393 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4394 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4395 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4396 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4397 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4398 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4399 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4400 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4401 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4402 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4403 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4404 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4405 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4406 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4407 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4408 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4409 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"
4410 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4411 enabled libfreetype && require_libfreetype
4412 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4413 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4414 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4415 done || die "ERROR: libgsm not found"; }
4416 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4417 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4418 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4419 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4420 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4421 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4422 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4423 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4424 check_lib openjpeg.h opj_version -lopenjpeg ||
4425 die "ERROR: libopenjpeg not found"; }
4426 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4427 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4428 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4429 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4430 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4431 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4432 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4433 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4434 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4435 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4436 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4437 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4438 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4439 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4440 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4441 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4442 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4443 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4444 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4445 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4446 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4447 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4449 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4450 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4451 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 ||
4452 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4453 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4454 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; } }
4455 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4456 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4457 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4458 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4459 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4460 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4461 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4462 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4463 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4464 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4465 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4466 die "ERROR: openal not found"; } &&
4467 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4468 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4469 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4470 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4471 die "ERROR: opencl not found"; } &&
4472 { ! enabled_any w32threads os2threads ||
4473 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4474 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4475 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4476 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4477 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4478 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4479 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4480 die "ERROR: openssl not found"; }
4482 if enabled gnutls; then
4483 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4484 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4488 if enabled libdc1394; then
4489 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4490 enable libdc1394_2; } ||
4491 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4492 enable libdc1394_1; } ||
4493 die "ERROR: No version of libdc1394 found "
4496 SDL_CONFIG="${cross_prefix}sdl-config"
4497 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4498 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4499 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4502 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4503 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4504 sdl_libs=$("${SDL_CONFIG}" --libs)
4505 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4506 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4507 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4511 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4513 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4514 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4515 perl -v > /dev/null 2>&1 && enable perl || disable perl
4516 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4517 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4519 check_header linux/fb.h
4520 check_header linux/videodev.h
4521 check_header linux/videodev2.h
4522 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4524 check_header sys/videoio.h
4526 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4527 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4528 # w32api 3.12 had it defined wrong
4529 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4531 check_type "dshow.h" IBaseFilter
4533 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4534 { check_header dev/bktr/ioctl_meteor.h &&
4535 check_header dev/bktr/ioctl_bt848.h; } ||
4536 { check_header machine/ioctl_meteor.h &&
4537 check_header machine/ioctl_bt848.h; } ||
4538 { check_header dev/video/meteor/ioctl_meteor.h &&
4539 check_header dev/video/bktr/ioctl_bt848.h; } ||
4540 check_header dev/ic/bt8xx.h
4542 check_header sndio.h
4543 if check_struct sys/soundcard.h audio_buf_info bytes; then
4544 enable_safe sys/soundcard.h
4546 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4547 #include <sys/soundcard.h>
4551 check_header soundcard.h
4553 enabled_any alsa_indev alsa_outdev &&
4554 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4556 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4557 check_func jack_port_get_latency_range -ljack
4559 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4561 if enabled libcdio; then
4562 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4563 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4564 die "ERROR: libcdio-paranoia not found"
4567 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4570 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4571 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4572 { enabled xlib || die "ERROR: Xlib not found"; }
4575 check_lib va/va.h vaInitialize -lva ||
4579 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4582 enabled vdpau && enabled xlib &&
4583 check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4586 # Funny iconv installations are not unusual, so check it after all flags have been set
4587 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4589 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4591 # add some useful compiler flags if supported
4592 check_cflags -Wdeclaration-after-statement
4594 check_cflags -Wdisabled-optimization
4595 check_cflags -Wpointer-arith
4596 check_cflags -Wredundant-decls
4597 check_cflags -Wwrite-strings
4598 check_cflags -Wtype-limits
4599 check_cflags -Wundef
4600 check_cflags -Wmissing-prototypes
4601 check_cflags -Wno-pointer-to-int-cast
4602 check_cflags -Wstrict-prototypes
4603 enabled extra_warnings && check_cflags -Winline
4605 check_disable_warning(){
4606 warning_flag=-W${1#-Wno-}
4607 test_cflags $warning_flag && add_cflags $1
4610 check_disable_warning -Wno-parentheses
4611 check_disable_warning -Wno-switch
4612 check_disable_warning -Wno-format-zero-length
4613 check_disable_warning -Wno-pointer-sign
4615 # add some linker flags
4616 check_ldflags -Wl,--warn-common
4617 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4618 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4619 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4621 # add some strip flags
4622 # -wN '..@*' is more selective than -x, but not available everywhere.
4623 check_stripflags -wN \'..@*\' || check_stripflags -x
4625 enabled xmm_clobber_test &&
4626 check_ldflags -Wl,--wrap,avcodec_open2 \
4627 -Wl,--wrap,avcodec_decode_audio4 \
4628 -Wl,--wrap,avcodec_decode_video2 \
4629 -Wl,--wrap,avcodec_decode_subtitle2 \
4630 -Wl,--wrap,avcodec_encode_audio2 \
4631 -Wl,--wrap,avcodec_encode_video \
4632 -Wl,--wrap,avcodec_encode_video2 \
4633 -Wl,--wrap,avcodec_encode_subtitle \
4634 -Wl,--wrap,sws_scale ||
4635 disable xmm_clobber_test
4638 if test_ldflags -Wl,--version-script,$TMPV; then
4639 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4640 check_cc <<EOF && enable symver_asm_label
4641 void ff_foo(void) __asm__ ("av_foo@VERSION");
4642 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4644 check_cc <<EOF && enable symver_gnu_asm
4645 __asm__(".symver ff_foo,av_foo@VERSION");
4646 void ff_foo(void) {}
4650 if [ -z "$optflags" ]; then
4651 if enabled small; then
4652 optflags=$cflags_size
4653 elif enabled optimizations; then
4654 optflags=$cflags_speed
4656 optflags=$cflags_noopt
4662 enabled lto && check_ldflags "$@"
4666 if enabled lto; then
4667 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4669 check_ldflags -flto $cpuflags
4672 check_optflags $optflags
4673 check_optflags -fno-math-errno
4674 check_optflags -fno-signed-zeros
4676 enabled ftrapv && check_cflags -ftrapv
4678 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4683 if enabled icc; then
4684 # Just warnings, no remarks
4686 # -wd: Disable following warnings
4687 # 144, 167, 556: -Wno-pointer-sign
4688 # 188: enumerated type mixed with another type
4689 # 1292: attribute "foo" ignored
4690 # 1419: external declaration in primary source file
4691 # 10006: ignoring unknown option -fno-signed-zeros
4692 # 10148: ignoring unknown option -Wno-parentheses
4693 # 10156: ignoring option '-W'; no argument required
4694 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4695 # 11030: Warning unknown option --as-needed
4696 # 10156: ignoring option '-export'; no argument required
4697 check_ldflags -wd10156,11030
4698 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4699 enable ebp_available
4700 if enabled x86_32; then
4701 icc_version=$($cc -dumpversion)
4702 test ${icc_version%%.*} -ge 11 &&
4703 check_cflags -falign-stack=maintain-16-byte ||
4704 disable aligned_stack
4706 elif enabled ccc; then
4707 # disable some annoying warnings
4708 add_cflags -msg_disable bitnotint
4709 add_cflags -msg_disable mixfuncvoid
4710 add_cflags -msg_disable nonstandcast
4711 add_cflags -msg_disable unsupieee
4712 elif enabled gcc; then
4713 check_optflags -fno-tree-vectorize
4714 check_cflags -Werror=implicit-function-declaration
4715 check_cflags -Werror=missing-prototypes
4716 check_cflags -Werror=return-type
4717 check_cflags -Werror=vla
4718 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4719 elif enabled llvm_gcc; then
4720 check_cflags -mllvm -stack-alignment=16
4721 elif enabled clang; then
4722 check_cflags -mllvm -stack-alignment=16
4723 check_cflags -Qunused-arguments
4724 check_cflags -Werror=implicit-function-declaration
4725 check_cflags -Werror=missing-prototypes
4726 check_cflags -Werror=return-type
4727 elif enabled cparser; then
4728 add_cflags -Wno-missing-variable-declarations
4729 add_cflags -Wno-empty-statement
4730 elif enabled armcc; then
4731 # 2523: use of inline assembler is deprecated
4732 add_cflags -W${armcc_opt},--diag_suppress=2523
4733 add_cflags -W${armcc_opt},--diag_suppress=1207
4734 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4735 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4736 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4737 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4738 elif enabled tms470; then
4739 add_cflags -pds=824 -pds=837
4741 elif enabled pathscale; then
4742 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4743 elif enabled_any msvc icl; then
4744 enabled x86_32 && disable aligned_stack
4745 enabled_all x86_32 debug && add_cflags -Oy-
4746 enabled debug && add_ldflags -debug
4747 enable pragma_deprecated
4748 if enabled icl; then
4749 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4750 # (correctly) on icl 13.x.
4751 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4752 add_cflags -Qansi-alias
4753 # icl will pass the inline asm tests but inline asm is currently
4754 # not supported (build will fail)
4755 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4762 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4765 add_cppflags -Dmain=plan9_main
4769 enable frame_thread_encoder
4771 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4773 check_deps $CONFIG_LIST \
4778 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"
4781 if test $target_os = "haiku"; then
4783 disable posix_memalign
4786 ! enabled_any memalign posix_memalign aligned_malloc &&
4787 enabled_any $need_memalign && enable memalign_hack
4790 # -> enable ${lib}_deps_${dep}
4791 # -> add $dep to ${lib}_deps only once
4795 enabled "${lib}_deps_${dep}" && return 0
4796 enable "${lib}_deps_${dep}"
4797 prepend "${lib}_deps" $dep
4800 # merge deps lib components
4801 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4806 enabled $comp || continue
4807 eval "dep=\"\$${comp}_deps\""
4814 merge_deps libavfilter $FILTER_LIST
4816 echo "install prefix $prefix"
4817 echo "source path $source_path"
4818 echo "C compiler $cc"
4819 echo "C library $libc_type"
4820 if test "$host_cc" != "$cc"; then
4821 echo "host C compiler $host_cc"
4822 echo "host C library $host_libc_type"
4824 echo "ARCH $arch ($cpu)"
4825 if test "$build_suffix" != ""; then
4826 echo "build suffix $build_suffix"
4828 if test "$progs_suffix" != ""; then
4829 echo "progs suffix $progs_suffix"
4831 if test "$extra_version" != ""; then
4832 echo "version string suffix $extra_version"
4834 echo "big-endian ${bigendian-no}"
4835 echo "runtime cpu detection ${runtime_cpudetect-no}"
4836 if enabled x86; then
4837 echo "${yasmexe} ${yasm-no}"
4838 echo "MMX enabled ${mmx-no}"
4839 echo "MMXEXT enabled ${mmxext-no}"
4840 echo "3DNow! enabled ${amd3dnow-no}"
4841 echo "3DNow! extended enabled ${amd3dnowext-no}"
4842 echo "SSE enabled ${sse-no}"
4843 echo "SSSE3 enabled ${ssse3-no}"
4844 echo "AVX enabled ${avx-no}"
4845 echo "FMA4 enabled ${fma4-no}"
4846 echo "i686 features enabled ${i686-no}"
4847 echo "CMOV is fast ${fast_cmov-no}"
4848 echo "EBX available ${ebx_available-no}"
4849 echo "EBP available ${ebp_available-no}"
4851 if enabled arm; then
4852 echo "ARMv5TE enabled ${armv5te-no}"
4853 echo "ARMv6 enabled ${armv6-no}"
4854 echo "ARMv6T2 enabled ${armv6t2-no}"
4855 echo "VFP enabled ${vfp-no}"
4856 echo "NEON enabled ${neon-no}"
4857 echo "THUMB enabled ${thumb-no}"
4859 if enabled mips; then
4860 echo "MIPS FPU enabled ${mipsfpu-no}"
4861 echo "MIPS32R2 enabled ${mips32r2-no}"
4862 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4863 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4865 if enabled ppc; then
4866 echo "AltiVec enabled ${altivec-no}"
4867 echo "PPC 4xx optimizations ${ppc4xx-no}"
4868 echo "dcbzl available ${dcbzl-no}"
4870 if enabled sparc; then
4871 echo "VIS enabled ${vis-no}"
4873 echo "debug symbols ${debug-no}"
4874 echo "strip symbols ${stripping-no}"
4875 echo "optimize for size ${small-no}"
4876 echo "optimizations ${optimizations-no}"
4877 echo "static ${static-no}"
4878 echo "shared ${shared-no}"
4879 echo "postprocessing support ${postproc-no}"
4880 echo "new filter support ${avfilter-no}"
4881 echo "network support ${network-no}"
4882 echo "threading support ${thread_type-no}"
4883 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4884 echo "SDL support ${sdl-no}"
4885 echo "opencl enabled ${opencl-no}"
4886 echo "libzvbi enabled ${libzvbi-no}"
4887 echo "texi2html enabled ${texi2html-no}"
4888 echo "perl enabled ${perl-no}"
4889 echo "pod2man enabled ${pod2man-no}"
4890 echo "makeinfo enabled ${makeinfo-no}"
4891 test -n "$random_seed" &&
4892 echo "random seed ${random_seed}"
4895 echo "External libraries:"
4896 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4899 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4900 echo "Enabled ${type}s:"
4901 eval list=\$$(toupper $type)_LIST
4902 print_enabled '_*' $list | print_3_columns
4906 license="LGPL version 2.1 or later"
4907 if enabled nonfree; then
4908 license="nonfree and unredistributable"
4909 elif enabled gplv3; then
4910 license="GPL version 3 or later"
4911 elif enabled lgplv3; then
4912 license="LGPL version 3 or later"
4913 elif enabled gpl; then
4914 license="GPL version 2 or later"
4917 echo "License: $license"
4919 echo "Creating config.mak, config.h, and doc/config.texi..."
4921 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4923 enabled stripping || strip="echo skipping strip"
4925 config_files="$TMPH config.mak doc/config.texi"
4927 cat > config.mak <<EOF
4928 # Automatically generated by configure - do not modify!
4929 ifndef FFMPEG_CONFIG_MAK
4931 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4933 LIBDIR=\$(DESTDIR)$libdir
4934 SHLIBDIR=\$(DESTDIR)$shlibdir
4935 INCDIR=\$(DESTDIR)$incdir
4936 BINDIR=\$(DESTDIR)$bindir
4937 DATADIR=\$(DESTDIR)$datadir
4938 DOCDIR=\$(DESTDIR)$docdir
4939 MANDIR=\$(DESTDIR)$mandir
4940 SRC_PATH=$source_path
4941 ifndef MAIN_MAKEFILE
4942 SRC_PATH:=\$(SRC_PATH:.%=..%)
4951 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4953 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4981 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4982 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
4983 YASMFLAGS=$YASMFLAGS
4984 BUILDSUF=$build_suffix
4985 PROGSSUF=$progs_suffix
4993 EXTRA_VERSION=$extra_version
4996 CCDEP_FLAGS=$CCDEP_FLAGS
4998 ASDEP_FLAGS=$ASDEP_FLAGS
4999 CC_DEPFLAGS=$CC_DEPFLAGS
5000 AS_DEPFLAGS=$AS_DEPFLAGS
5003 HOSTCFLAGS=$host_cflags
5004 HOSTCPPFLAGS=$host_cppflags
5005 HOSTEXESUF=$HOSTEXESUF
5006 HOSTLDFLAGS=$host_ldflags
5009 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5010 HOSTCCDEP=$HOSTCCDEP
5011 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5012 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5016 TARGET_EXEC=$target_exec $target_exec_args
5017 TARGET_PATH=$target_path
5018 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5019 LIBS-ffplay=$sdl_libs
5020 CFLAGS-ffplay=$sdl_cflags
5021 ZLIB=$($ldflags_filter -lz)
5022 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5023 EXTRALIBS=$extralibs
5024 COMPAT_OBJS=$compat_objs
5027 LIBTARGET=${LIBTARGET}
5028 SLIBNAME=${SLIBNAME}
5029 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5030 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5031 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5032 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5033 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5034 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5035 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5036 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5037 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5038 NOREDZONE_FLAGS=$noredzone_flags
5043 name=$(toupper $lcname)
5044 file=$source_path/$lcname/version.h
5045 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5046 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5047 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5048 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5049 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5050 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5053 map 'get_version $v' $LIBRARY_LIST
5056 /* Automatically generated by configure - do not modify! */
5057 #ifndef FFMPEG_CONFIG_H
5058 #define FFMPEG_CONFIG_H
5059 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5060 #define FFMPEG_LICENSE "$(c_escape $license)"
5061 #define CONFIG_THIS_YEAR 2014
5062 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5063 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5064 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5065 #define av_restrict $_restrict
5066 #define EXTERN_PREFIX "${extern_prefix}"
5067 #define EXTERN_ASM ${extern_prefix}
5068 #define BUILDSUF "$build_suffix"
5069 #define SLIBSUF "$SLIBSUF"
5070 #define HAVE_MMX2 HAVE_MMXEXT
5073 test -n "$assert_level" &&
5074 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5076 test -n "$malloc_prefix" &&
5077 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5079 if enabled yasm; then
5080 append config_files $TMPASM
5084 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5088 echo "@c auto-generated by configure" > doc/config.texi
5090 print_config ARCH_ "$config_files" $ARCH_LIST
5091 print_config HAVE_ "$config_files" $HAVE_LIST
5092 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5096 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5097 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5099 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5100 cp_if_changed $TMPH config.h
5103 enabled yasm && cp_if_changed $TMPASM config.asm
5106 /* Generated by ffconf */
5107 #ifndef AVUTIL_AVCONFIG_H
5108 #define AVUTIL_AVCONFIG_H
5111 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5113 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5115 cp_if_changed $TMPH libavutil/avconfig.h
5117 if test -n "$WARNINGS"; then
5118 printf "\n$WARNINGS"
5119 enabled fatal_warnings && exit 1
5122 # build pkg-config files
5124 pkgconfig_generate(){
5126 shortname=${name#lib}${build_suffix}
5131 enabled ${name#lib} || return 0
5133 cat <<EOF > $name/$name${build_suffix}.pc
5135 exec_prefix=\${prefix}
5140 Description: $comment
5142 Requires: $(enabled shared || echo $requires)
5143 Requires.private: $(enabled shared && echo $requires)
5145 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5146 Libs.private: $(enabled shared && echo $libs)
5147 Cflags: -I\${includedir}
5150 mkdir -p doc/examples/pc-uninstalled
5151 includedir=${source_path}
5152 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5153 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5156 libdir=\${pcfiledir}/../../../$name
5157 includedir=${includedir}
5160 Description: $comment
5164 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5165 Cflags: -I\${includedir}
5169 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5170 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5171 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5172 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5173 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5174 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5175 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5176 lavfi_libs=${lavfi_libs%, }
5178 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5179 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5181 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5182 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5183 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5184 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5185 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5186 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5187 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5188 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5189 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"