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-neon-clobber-test check NEON registers for clobbering (should be
354 used only for debugging purposes)
355 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
356 should be used only for debugging purposes)
357 --enable-random randomly enable/disable components
359 --enable-random=LIST randomly enable/disable specific components or
360 --disable-random=LIST component groups. LIST is a comma-separated list
361 of NAME[:PROB] entries where NAME is a component
362 (group) and PROB the probability associated with
364 --random-seed=VALUE seed value for --enable/disable-random
366 NOTE: Object files are built at the place where configure is launched.
374 echo "$@" >> $logfile
379 pr -n -t $1 >> $logfile
390 WARNINGS="${WARNINGS}WARNING: $*\n"
397 If you think configure made a mistake, make sure you are using the latest
398 version from Git. If the latest version fails, report the problem to the
399 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
401 if disabled logging; then
403 Rerun configure with logging enabled (do not use --disable-logging), and
404 include the log this produces with your report.
408 Include the log file "$logfile" produced by configure as this will help
415 # Avoid locale weirdness, besides we really just want to translate ASCII.
417 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
421 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
425 echo "$*" | sed 's/["\\]/\\\0/g'
429 v=$(echo "$1" | sed "s/'/'\\\\''/g")
430 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
435 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
442 eval "case $v in $pat) echo $v ;; esac"
450 eval "case $v in $pat) ;; *) echo $v ;; esac"
457 for v; do eval $m; done
463 for v; do echo ${v}${suffix}; done
478 eval : \${$var:=$value}
483 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
489 eval $(sanitize_var_name "$var")='$*'
493 eval echo \$$(sanitize_var_name "$1")
498 eval level=\${${pvar}_level:=0}
499 eval ${pvar}_${level}="\$$pvar"
500 eval ${pvar}_level=$(($level+1))
506 eval level=\${${pvar}_level:-0}
507 test $level = 0 && continue
508 eval level=$(($level-1))
509 eval $pvar="\${${pvar}_${level}}"
510 eval ${pvar}_level=$level
511 eval unset ${pvar}_${level}
533 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
539 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
545 enabled $var && continue
546 eval sel="\$${var}_select"
547 eval sgs="\$${var}_suggest"
551 enable_deep_weak $sgs
563 disabled $var && continue
572 test "${1#!}" = "$1" && op== || op=!=
573 eval test "x\$${1#!}" $op "xyes"
577 test "${1#!}" = "$1" && op== || op=!=
578 eval test "x\$${1#!}" $op "xno"
583 enabled $opt || return 1
589 disabled $opt || return 1
595 enabled $opt && return 0
601 disabled $opt && return 0
608 eval : \${$opt:=\$${opt}_default}
616 [ $var = $value ] && return 0
624 enabled ${cfg}_checking && die "Circular dependency for $cfg."
625 disabled ${cfg}_checking && continue
626 enable ${cfg}_checking
629 eval dep_all="\$${cfg}_deps"
630 eval dep_any="\$${cfg}_deps_any"
631 eval dep_sel="\$${cfg}_select"
632 eval dep_sgs="\$${cfg}_suggest"
633 eval dep_ifa="\$${cfg}_if"
634 eval dep_ifn="\$${cfg}_if_any"
636 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
637 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
638 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
640 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
641 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
642 enabled_all $dep_all || disable $cfg
643 enabled_any $dep_any || disable $cfg
644 disabled_any $dep_sel && disable $cfg
646 if enabled $cfg; then
648 enable_deep_weak $dep_sgs
651 disable ${cfg}_checking
660 for cfg in $allopts; do
661 enabled $cfg || continue
662 eval dep_extralibs="\$${cfg}_extralibs"
663 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
671 map 'eval echo "$v \${$v:-no}"' "$@" |
672 awk "BEGIN { split(\"$files\", files) }
674 c = \"$pfx\" toupper(\$1);
680 if (file ~ /\\.h\$/) {
681 printf(\"#define %s %d\\n\", c, v) >>file;
682 } else if (file ~ /\\.asm\$/) {
683 printf(\"%%define %s %d\\n\", c, v) >>file;
684 } else if (file ~ /\\.mak\$/) {
685 n = -v ? \"\" : \"!\";
686 printf(\"%s%s=yes\\n\", n, c) >>file;
687 } else if (file ~ /\\.texi\$/) {
688 pre = -v ? \"\" : \"@c \";
691 gsub(/_/, \"-\", c2);
692 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
702 enabled $v && printf "%s\n" ${v%$suf};
709 eval "$var=\"\$$var $*\""
715 eval "$var=\"$* \$$var\""
723 append CFLAGS $($cflags_filter "$@")
727 append CXXFLAGS $($cflags_filter "$@")
731 append ASFLAGS $($asflags_filter "$@")
735 append LDFLAGS $($ldflags_filter "$@")
739 append ASMSTRIPFLAGS "$@"
743 prepend extralibs $($ldflags_filter "$@")
747 append host_cppflags "$@"
751 append host_cflags $($host_cflags_filter "$@")
755 append host_ldflags $($host_ldflags_filter "$@")
759 append compat_objs $1
761 map 'add_cppflags -D$v' "$@"
766 "$@" >> $logfile 2>&1
770 eval printf '%s\\n' $CC_O
774 eval printf '%s\\n' $CC_E
781 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
788 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
795 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
799 eval printf '%s\\n' $AS_O
806 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
810 log check_inline_asm "$@"
815 check_cc "$@" <<EOF && enable $name
816 void foo(void){ __asm__ volatile($code); }
822 check_inline_asm ${1}_inline "\"$2\""
823 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
831 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
835 eval printf '%s\\n' $LD_O
842 flags=$(filter_out '-l*|*.so' $@)
843 libs=$(filter '-l*|*.so' $@)
844 check_$type $($cflags_filter $flags) || return
845 flags=$($ldflags_filter $flags)
846 libs=$($ldflags_filter $libs)
847 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
852 test "${hdr%.h}" = "${hdr}" &&
853 echo "#include $hdr" ||
854 echo "#include <$hdr>"
864 for hdr in $headers; do
867 echo "int main(void) { $code; return 0; }"
868 } | check_$check "$@"
872 log check_cppflags "$@"
873 check_cc "$@" <<EOF && append CPPFLAGS "$@"
880 set -- $($cflags_filter "$@")
887 log check_cflags "$@"
888 test_cflags "$@" && add_cflags "$@"
892 log check_cxxflags "$@"
893 set -- $($cflags_filter "$@")
894 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
900 log test_ldflags "$@"
901 check_ld "cc" "$@" <<EOF
902 int main(void){ return 0; }
907 log check_ldflags "$@"
908 test_ldflags "$@" && add_ldflags "$@"
912 log test_stripflags "$@"
913 # call check_cc to get a fresh TMPO
915 int main(void) { return 0; }
917 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
921 log check_stripflags "$@"
922 test_stripflags "$@" && add_stripflags "$@"
926 log check_header "$@"
930 check_cpp "$@" <<EOF && enable_safe $header
941 check_ld "cc" "$@" <<EOF && enable $func
943 int main(void){ $func(); }
948 log check_mathfunc "$@"
952 test $narg = 2 && args="f, g" || args="f"
954 check_ld "cc" "$@" <<EOF && enable $func
956 float foo(float f, float g) { return $func($args); }
957 int main(void){ return (int) foo; }
961 check_func_headers(){
962 log check_func_headers "$@"
967 for hdr in $headers; do
970 for func in $funcs; do
971 echo "long check_$func(void) { return (long) $func; }"
973 echo "int main(void) { return 0; }"
974 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
977 check_class_headers_cpp(){
978 log check_class_headers_cpp "$@"
983 for hdr in $headers; do
984 echo "#include <$hdr>"
986 echo "int main(void) { "
988 for class in $classes; do
993 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
996 check_cpp_condition(){
997 log check_cpp_condition "$@"
1001 check_cpp "$@" <<EOF
1004 #error "unsatisfied condition: $condition"
1014 check_header $header && check_func $func "$@" && add_extralibs "$@"
1022 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1026 log check_lib_cpp "$@"
1030 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1034 log check_pkg_config "$@"
1039 check_cmd $pkg_config --exists --print-errors $pkg || return
1040 pkg_cflags=$($pkg_config --cflags $pkg)
1041 pkg_libs=$($pkg_config --libs $pkg)
1042 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1043 set_safe ${pkg}_cflags $pkg_cflags &&
1044 set_safe ${pkg}_libs $pkg_libs
1048 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1054 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1055 # are safe but may not be available everywhere. Thus we use
1056 # raise(SIGTERM) instead. The check is run in a subshell so we
1057 # can redirect the "Terminated" message from the shell. SIGBUS
1058 # is not defined by standard C so it is used conditionally.
1060 (check_exec "$@") >> $logfile 2>&1 <<EOF
1062 static void sighandler(int sig){
1068 int (*func_ptr)(void) = foo;
1070 signal(SIGILL, sighandler);
1071 signal(SIGFPE, sighandler);
1072 signal(SIGSEGV, sighandler);
1074 signal(SIGBUS, sighandler);
1086 disable_safe "$type"
1087 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1091 log check_struct "$@"
1096 disable_safe "${struct}_${member}"
1097 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1098 enable_safe "${struct}_${member}"
1102 log check_builtin "$@"
1108 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1116 check_lib $header $func "$@" || die "ERROR: $name not found"
1124 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1132 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1135 require_pkg_config(){
1137 check_pkg_config "$@" || die "ERROR: $pkg not found"
1138 add_cflags $(get_safe ${pkg}_cflags)
1139 add_extralibs $(get_safe ${pkg}_libs)
1142 require_libfreetype(){
1143 log require_libfreetype "$@"
1145 check_cmd $pkg_config --exists --print-errors $pkg \
1146 || die "ERROR: $pkg not found"
1147 pkg_cflags=$($pkg_config --cflags $pkg)
1148 pkg_libs=$($pkg_config --libs $pkg)
1150 echo "#include <ft2build.h>"
1151 echo "#include FT_FREETYPE_H"
1152 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1153 echo "int main(void) { return 0; }"
1154 } | check_ld "cc" $pkg_cflags $pkg_libs \
1155 && set_safe ${pkg}_cflags $pkg_cflags \
1156 && set_safe ${pkg}_libs $pkg_libs \
1157 || die "ERROR: $pkg not found"
1158 add_cflags $(get_safe ${pkg}_cflags)
1159 add_extralibs $(get_safe ${pkg}_libs)
1163 eval printf '%s\\n' $HOSTCC_E
1167 eval printf '%s\\n' $HOSTCC_O
1171 log check_host_cc "$@"
1174 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1178 log check_host_cpp "$@"
1181 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1184 check_host_cppflags(){
1185 log check_host_cppflags "$@"
1186 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1191 check_host_cflags(){
1192 log check_host_cflags "$@"
1193 set -- $($host_cflags_filter "$@")
1194 check_host_cc "$@" <<EOF && append host_cflags "$@"
1199 check_host_cpp_condition(){
1200 log check_host_cpp_condition "$@"
1204 check_host_cpp "$@" <<EOF
1207 #error "unsatisfied condition: $condition"
1215 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1219 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1220 mkdir -p "$(dirname $2)"
1224 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1225 # system-dependent things.
1242 decoding_encoding_example
1243 demuxing_decoding_example
1244 filtering_audio_example
1245 filtering_video_example
1248 resampling_audio_example
1249 scaling_video_example
1250 transcode_aac_example
1253 EXTERNAL_LIBRARY_LIST="
1356 $EXTERNAL_LIBRARY_LIST
1369 incompatible_libav_abi
1370 incompatible_fork_abi
1383 safe_bitstream_reader
1480 incompatible_libav_abi
1481 incompatible_fork_abi
1514 $(add_suffix _external $ARCH_EXT_LIST)
1515 $(add_suffix _inline $ARCH_EXT_LIST)
1535 cdio_paranoia_paranoia_h
1543 dev_bktr_ioctl_bt848_h
1544 dev_bktr_ioctl_meteor_h
1546 dev_video_bktr_ioctl_bt848_h
1547 dev_video_meteor_ioctl_meteor_h
1563 GetProcessAffinityMask
1564 GetProcessMemoryInfo
1566 GetSystemTimeAsFileTime
1579 jack_port_get_latency_range
1590 machine_ioctl_bt848_h
1591 machine_ioctl_meteor_h
1603 openjpeg_1_5_openjpeg_h
1616 SetConsoleTextAttribute
1625 struct_group_source_req
1626 struct_ip_mreq_source
1629 struct_rusage_ru_maxrss
1630 struct_sctp_event_subscribe
1632 struct_sockaddr_sa_len
1633 struct_sockaddr_storage
1634 struct_stat_st_mtim_tv_nsec
1635 struct_v4l2_frmivalenum_discrete
1638 sync_val_compare_and_swap
1664 # options emitted with CONFIG_ prefix but not available on the command line
1671 frame_thread_encoder
1774 # code dependency declarations
1776 # architecture extensions
1785 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1788 mips32r2_deps="mips"
1789 mipsdspr1_deps="mips"
1790 mipsdspr2_deps="mips"
1798 x86_64_select="i686"
1799 x86_64_suggest="fast_cmov"
1802 amd3dnowext_deps="amd3dnow"
1815 mmx_external_deps="yasm"
1816 mmx_inline_deps="inline_asm"
1817 mmx_suggest="mmx_external mmx_inline"
1819 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1820 eval dep=\$${ext}_deps
1821 eval ${ext}_external_deps='"${dep}_external"'
1822 eval ${ext}_inline_deps='"${dep}_inline"'
1823 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1826 aligned_stack_if_any="ppc x86"
1827 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1828 fast_clz_if_any="alpha avr32 mips ppc x86"
1829 fast_unaligned_if_any="ppc x86"
1831 need_memalign="altivec neon sse"
1833 # system capabilities
1834 log2_deps="!libc_msvcrt"
1836 symver_if_any="symver_asm_label symver_gnu_asm"
1839 atomics_gcc_if="sync_val_compare_and_swap"
1840 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1841 atomics_win32_if="MemoryBarrier"
1842 atomics_native_if_any="$ATOMICS_LIST"
1843 threads_if_any="$THREADS_LIST"
1847 error_resilience_select="dsputil"
1848 frame_thread_encoder_deps="encoders threads"
1849 lpc_select="dsputil"
1852 mpegaudio_select="mpegaudiodsp"
1853 mpegaudiodsp_select="dct"
1854 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1855 mpegvideoenc_select="mpegvideo"
1857 # decoders / encoders
1858 aac_decoder_select="mdct sinewin"
1859 aac_encoder_select="audio_frame_queue mdct sinewin"
1860 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1861 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1862 ac3_encoder_select="mdct ac3dsp dsputil"
1863 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1864 aic_decoder_select="dsputil golomb"
1865 alac_encoder_select="lpc"
1866 als_decoder_select="dsputil"
1867 amrnb_decoder_select="lsp"
1868 amrwb_decoder_select="lsp"
1869 amv_decoder_select="dsputil hpeldsp exif"
1870 amv_encoder_select="aandcttables"
1871 ape_decoder_select="dsputil"
1872 asv1_decoder_select="dsputil"
1873 asv1_encoder_select="dsputil"
1874 asv2_decoder_select="dsputil"
1875 asv2_encoder_select="dsputil"
1876 atrac1_decoder_select="mdct sinewin"
1877 atrac3_decoder_select="mdct"
1878 atrac3p_decoder_select="mdct sinewin"
1879 avrn_decoder_select="exif"
1880 bink_decoder_select="dsputil hpeldsp"
1881 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1882 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1883 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1884 cllc_decoder_select="dsputil"
1885 comfortnoise_encoder_select="lpc"
1886 cook_decoder_select="dsputil mdct sinewin"
1887 cscd_decoder_select="lzo"
1888 cscd_decoder_suggest="zlib"
1889 dca_decoder_select="mdct"
1890 dirac_decoder_select="dsputil dwt golomb videodsp"
1891 dnxhd_decoder_select="dsputil"
1892 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1893 dvvideo_decoder_select="dsputil"
1894 dvvideo_encoder_select="dsputil"
1895 dxa_decoder_select="zlib"
1896 eac3_decoder_select="ac3_decoder"
1897 eac3_encoder_select="ac3_encoder"
1898 eamad_decoder_select="aandcttables dsputil mpegvideo"
1899 eatgq_decoder_select="aandcttables"
1900 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1901 exr_decoder_select="zlib"
1902 ffv1_decoder_select="dsputil golomb rangecoder"
1903 ffv1_encoder_select="dsputil rangecoder"
1904 ffvhuff_decoder_select="dsputil"
1905 ffvhuff_encoder_select="dsputil huffman"
1906 flac_decoder_select="golomb"
1907 flac_encoder_select="dsputil golomb lpc"
1908 flashsv_decoder_select="zlib"
1909 flashsv_encoder_select="zlib"
1910 flashsv2_encoder_select="zlib"
1911 flashsv2_decoder_select="zlib"
1912 flv_decoder_select="h263_decoder"
1913 flv_encoder_select="h263_encoder"
1914 fourxm_decoder_select="dsputil"
1915 fraps_decoder_select="dsputil huffman"
1916 g2m_decoder_select="dsputil zlib"
1917 g729_decoder_select="dsputil"
1918 h261_decoder_select="error_resilience mpegvideo"
1919 h261_encoder_select="aandcttables mpegvideoenc"
1920 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1921 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1922 h263i_decoder_select="h263_decoder"
1923 h263p_encoder_select="h263_encoder"
1924 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1925 h264_decoder_suggest="error_resilience"
1926 hevc_decoder_select="dsputil golomb videodsp"
1927 huffyuv_decoder_select="dsputil"
1928 huffyuv_encoder_select="dsputil huffman"
1929 iac_decoder_select="dsputil fft mdct sinewin"
1930 imc_decoder_select="dsputil fft mdct sinewin"
1931 indeo3_decoder_select="hpeldsp"
1932 interplay_video_decoder_select="hpeldsp"
1933 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1934 jpegls_encoder_select="golomb"
1935 jv_decoder_select="dsputil"
1936 lagarith_decoder_select="dsputil"
1937 ljpeg_encoder_select="aandcttables mpegvideoenc"
1938 loco_decoder_select="golomb"
1939 mdec_decoder_select="dsputil error_resilience mpegvideo"
1940 metasound_decoder_select="lsp mdct sinewin"
1941 mimic_decoder_select="dsputil hpeldsp"
1942 mjpeg_decoder_select="dsputil hpeldsp exif"
1943 mjpegb_decoder_select="dsputil hpeldsp exif"
1944 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1945 mlp_decoder_select="dsputil mlp_parser"
1946 motionpixels_decoder_select="dsputil"
1947 mp1_decoder_select="mpegaudio"
1948 mp1float_decoder_select="mpegaudio"
1949 mp2_decoder_select="mpegaudio"
1950 mp2float_decoder_select="mpegaudio"
1951 mp3_decoder_select="mpegaudio"
1952 mp3adu_decoder_select="mpegaudio"
1953 mp3adufloat_decoder_select="mpegaudio"
1954 mp3float_decoder_select="mpegaudio"
1955 mp3on4_decoder_select="mpegaudio"
1956 mp3on4float_decoder_select="mpegaudio"
1957 mpc7_decoder_select="dsputil mpegaudiodsp"
1958 mpc8_decoder_select="dsputil mpegaudiodsp"
1959 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1960 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1961 mpeg1video_decoder_select="error_resilience mpegvideo"
1962 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1963 mpeg2video_decoder_select="error_resilience mpegvideo"
1964 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1965 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1966 mpeg4_encoder_select="h263_encoder"
1967 msmpeg4v1_decoder_select="h263_decoder"
1968 msmpeg4v2_decoder_select="h263_decoder"
1969 msmpeg4v2_encoder_select="h263_encoder"
1970 msmpeg4v3_decoder_select="h263_decoder"
1971 msmpeg4v3_encoder_select="h263_encoder"
1972 mss2_decoder_select="error_resilience vc1_decoder"
1973 mxpeg_decoder_select="dsputil hpeldsp exif"
1974 nellymoser_decoder_select="mdct sinewin"
1975 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1976 nuv_decoder_select="dsputil lzo"
1977 png_decoder_select="zlib"
1978 png_encoder_select="dsputil zlib"
1979 prores_decoder_select="dsputil"
1980 prores_encoder_select="dsputil"
1981 qcelp_decoder_select="lsp"
1982 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1983 ra_144_encoder_select="audio_frame_queue lpc"
1984 ralf_decoder_select="golomb"
1985 rtjpeg_decoder_select="dsputil"
1986 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1987 rv10_encoder_select="h263_encoder"
1988 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1989 rv20_encoder_select="h263_encoder"
1990 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1991 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1992 shorten_decoder_select="golomb"
1993 sipr_decoder_select="lsp"
1994 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1995 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1996 sonic_decoder_select="golomb"
1997 sonic_encoder_select="golomb"
1998 sonic_ls_encoder_select="golomb"
1999 sp5x_decoder_select="dsputil hpeldsp exif"
2000 svq1_decoder_select="hpeldsp"
2001 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2002 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
2003 svq3_decoder_suggest="error_resilience zlib"
2004 tak_decoder_select="dsputil"
2005 theora_decoder_select="vp3_decoder"
2006 tiff_decoder_suggest="zlib"
2007 tiff_encoder_suggest="zlib"
2008 thp_decoder_select="dsputil hpeldsp exif"
2009 truehd_decoder_select="mlp_parser"
2010 truemotion2_decoder_select="dsputil"
2011 truespeech_decoder_select="dsputil"
2012 tscc_decoder_select="zlib"
2013 twinvq_decoder_select="mdct lsp sinewin"
2014 utvideo_decoder_select="dsputil"
2015 utvideo_encoder_select="dsputil huffman"
2016 vble_decoder_select="dsputil"
2017 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
2018 vc1image_decoder_select="vc1_decoder"
2019 vorbis_decoder_select="mdct"
2020 vorbis_encoder_select="mdct"
2021 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2022 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2023 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2024 vp6a_decoder_select="vp6_decoder"
2025 vp6f_decoder_select="vp6_decoder"
2026 vp8_decoder_select="h264pred videodsp"
2027 vp9_decoder_select="videodsp"
2028 webp_decoder_select="vp8_decoder"
2029 wmapro_decoder_select="mdct sinewin"
2030 wmav1_decoder_select="mdct sinewin"
2031 wmav1_encoder_select="mdct sinewin"
2032 wmav2_decoder_select="mdct sinewin"
2033 wmav2_encoder_select="mdct sinewin"
2034 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2035 wmv1_decoder_select="h263_decoder"
2036 wmv1_encoder_select="h263_encoder"
2037 wmv2_decoder_select="h263_decoder videodsp"
2038 wmv2_encoder_select="h263_encoder"
2039 wmv3_decoder_select="vc1_decoder"
2040 wmv3image_decoder_select="wmv3_decoder"
2041 zerocodec_decoder_select="zlib"
2042 zlib_decoder_select="zlib"
2043 zlib_encoder_select="zlib"
2044 zmbv_decoder_select="zlib"
2045 zmbv_encoder_select="zlib"
2047 # hardware accelerators
2048 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2049 dxva2_deps="dxva2api_h"
2050 vaapi_deps="va_va_h"
2051 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2052 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2053 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2054 xvmc_deps="X11_extensions_XvMClib_h"
2056 h263_vaapi_hwaccel_deps="vaapi"
2057 h263_vaapi_hwaccel_select="h263_decoder"
2058 h263_vdpau_hwaccel_deps="vdpau"
2059 h263_vdpau_hwaccel_select="h263_decoder"
2060 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2061 h264_dxva2_hwaccel_deps="dxva2"
2062 h264_dxva2_hwaccel_select="h264_decoder"
2063 h264_vaapi_hwaccel_deps="vaapi"
2064 h264_vaapi_hwaccel_select="h264_decoder"
2065 h264_vda_decoder_deps="vda"
2066 h264_vda_decoder_select="h264_decoder"
2067 h264_vda_hwaccel_deps="vda"
2068 h264_vda_hwaccel_select="h264_decoder"
2069 h264_vdpau_decoder_deps="vdpau"
2070 h264_vdpau_decoder_select="h264_decoder"
2071 h264_vdpau_hwaccel_deps="vdpau"
2072 h264_vdpau_hwaccel_select="h264_decoder"
2073 mpeg_vdpau_decoder_deps="vdpau"
2074 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2075 mpeg_xvmc_hwaccel_deps="xvmc"
2076 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2077 mpeg1_vdpau_decoder_deps="vdpau"
2078 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2079 mpeg1_vdpau_hwaccel_deps="vdpau"
2080 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2081 mpeg1_xvmc_hwaccel_deps="xvmc"
2082 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2083 mpeg2_crystalhd_decoder_select="crystalhd"
2084 mpeg2_dxva2_hwaccel_deps="dxva2"
2085 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2086 mpeg2_vaapi_hwaccel_deps="vaapi"
2087 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2088 mpeg2_vdpau_hwaccel_deps="vdpau"
2089 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2090 mpeg2_xvmc_hwaccel_deps="xvmc"
2091 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2092 mpeg4_crystalhd_decoder_select="crystalhd"
2093 mpeg4_vaapi_hwaccel_deps="vaapi"
2094 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2095 mpeg4_vdpau_decoder_deps="vdpau"
2096 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2097 mpeg4_vdpau_hwaccel_deps="vdpau"
2098 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2099 msmpeg4_crystalhd_decoder_select="crystalhd"
2100 vc1_crystalhd_decoder_select="crystalhd"
2101 vc1_dxva2_hwaccel_deps="dxva2"
2102 vc1_dxva2_hwaccel_select="vc1_decoder"
2103 vc1_vaapi_hwaccel_deps="vaapi"
2104 vc1_vaapi_hwaccel_select="vc1_decoder"
2105 vc1_vdpau_decoder_deps="vdpau"
2106 vc1_vdpau_decoder_select="vc1_decoder"
2107 vc1_vdpau_hwaccel_deps="vdpau"
2108 vc1_vdpau_hwaccel_select="vc1_decoder"
2109 wmv3_crystalhd_decoder_select="crystalhd"
2110 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2111 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2112 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2113 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2116 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2117 hevc_parser_select="hevc_decoder"
2118 mpeg4video_parser_select="error_resilience mpegvideo"
2119 mpegvideo_parser_select="error_resilience mpegvideo"
2120 vc1_parser_select="mpegvideo"
2122 # external libraries
2123 libaacplus_encoder_deps="libaacplus"
2124 libcelt_decoder_deps="libcelt"
2125 libfaac_encoder_deps="libfaac"
2126 libfaac_encoder_select="audio_frame_queue"
2127 libfdk_aac_decoder_deps="libfdk_aac"
2128 libfdk_aac_encoder_deps="libfdk_aac"
2129 libfdk_aac_encoder_select="audio_frame_queue"
2130 libgme_demuxer_deps="libgme"
2131 libgsm_decoder_deps="libgsm"
2132 libgsm_encoder_deps="libgsm"
2133 libgsm_ms_decoder_deps="libgsm"
2134 libgsm_ms_encoder_deps="libgsm"
2135 libilbc_decoder_deps="libilbc"
2136 libilbc_encoder_deps="libilbc"
2137 libmodplug_demuxer_deps="libmodplug"
2138 libmp3lame_encoder_deps="libmp3lame"
2139 libmp3lame_encoder_select="audio_frame_queue"
2140 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2141 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2142 libopencore_amrnb_encoder_select="audio_frame_queue"
2143 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2144 libopenjpeg_decoder_deps="libopenjpeg"
2145 libopenjpeg_encoder_deps="libopenjpeg"
2146 libopus_decoder_deps="libopus"
2147 libopus_encoder_deps="libopus"
2148 libopus_encoder_select="audio_frame_queue"
2149 libquvi_demuxer_deps="libquvi"
2150 libschroedinger_decoder_deps="libschroedinger"
2151 libschroedinger_encoder_deps="libschroedinger"
2152 libshine_encoder_deps="libshine"
2153 libshine_encoder_select="audio_frame_queue"
2154 libspeex_decoder_deps="libspeex"
2155 libspeex_encoder_deps="libspeex"
2156 libspeex_encoder_select="audio_frame_queue"
2157 libstagefright_h264_decoder_deps="libstagefright_h264"
2158 libtheora_encoder_deps="libtheora"
2159 libtwolame_encoder_deps="libtwolame"
2160 libvo_aacenc_encoder_deps="libvo_aacenc"
2161 libvo_aacenc_encoder_select="audio_frame_queue"
2162 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2163 libvorbis_decoder_deps="libvorbis"
2164 libvorbis_encoder_deps="libvorbis"
2165 libvorbis_encoder_select="audio_frame_queue"
2166 libvpx_vp8_decoder_deps="libvpx"
2167 libvpx_vp8_encoder_deps="libvpx"
2168 libvpx_vp9_decoder_deps="libvpx"
2169 libvpx_vp9_encoder_deps="libvpx"
2170 libwavpack_encoder_deps="libwavpack"
2171 libwebp_encoder_deps="libwebp"
2172 libx264_encoder_deps="libx264"
2173 libx264rgb_encoder_deps="libx264"
2174 libxavs_encoder_deps="libxavs"
2175 libxvid_encoder_deps="libxvid"
2176 libutvideo_decoder_deps="libutvideo"
2177 libutvideo_encoder_deps="libutvideo"
2178 libzvbi_teletext_decoder_deps="libzvbi"
2181 ac3_demuxer_select="ac3_parser"
2182 asf_demuxer_select="riffdec"
2183 asf_muxer_select="riffenc"
2184 asf_stream_muxer_select="asf_muxer"
2185 avi_demuxer_select="riffdec"
2186 avi_muxer_select="riffenc"
2187 avisynth_demuxer_deps="avisynth"
2188 avisynth_demuxer_select="riffdec"
2189 caf_demuxer_select="riffdec"
2190 dirac_demuxer_select="dirac_parser"
2191 dts_demuxer_select="dca_parser"
2192 dtshd_demuxer_select="dca_parser"
2193 dxa_demuxer_select="riffdec"
2194 eac3_demuxer_select="ac3_parser"
2195 f4v_muxer_select="mov_muxer"
2196 flac_demuxer_select="flac_parser"
2197 hds_muxer_select="flv_muxer"
2198 hls_muxer_select="mpegts_muxer"
2199 ipod_muxer_select="mov_muxer"
2200 ismv_muxer_select="mov_muxer"
2201 libnut_demuxer_deps="libnut"
2202 libnut_muxer_deps="libnut"
2203 matroska_audio_muxer_select="matroska_muxer"
2204 matroska_demuxer_select="riffdec"
2205 matroska_demuxer_suggest="bzlib lzo zlib"
2206 matroska_muxer_select="riffenc"
2207 mmf_muxer_select="riffenc"
2208 mov_demuxer_select="riffdec"
2209 mov_demuxer_suggest="zlib"
2210 mov_muxer_select="riffenc rtpenc_chain"
2211 mp3_demuxer_select="mpegaudio_parser"
2212 mp4_muxer_select="mov_muxer"
2213 mpegts_muxer_select="adts_muxer latm_muxer"
2214 mpegtsraw_demuxer_select="mpegts_demuxer"
2215 mxf_d10_muxer_select="mxf_muxer"
2216 nut_muxer_select="riffenc"
2217 nuv_demuxer_select="riffdec"
2218 ogg_demuxer_select="golomb"
2219 psp_muxer_select="mov_muxer"
2220 rtp_demuxer_select="sdp_demuxer"
2221 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2222 rtsp_demuxer_select="http_protocol rtpdec"
2223 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2224 sap_demuxer_select="sdp_demuxer"
2225 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2226 sdp_demuxer_select="rtpdec"
2227 smoothstreaming_muxer_select="ismv_muxer"
2228 spdif_muxer_select="aac_parser"
2229 tak_demuxer_select="tak_parser"
2230 tg2_muxer_select="mov_muxer"
2231 tgp_muxer_select="mov_muxer"
2232 vobsub_demuxer_select="mpegps_demuxer"
2233 w64_demuxer_select="wav_demuxer"
2234 w64_muxer_select="wav_muxer"
2235 wav_demuxer_select="riffdec"
2236 wav_muxer_select="riffenc"
2237 webm_muxer_select="riffenc"
2238 wtv_demuxer_select="riffdec"
2239 xmv_demuxer_select="riffdec"
2240 xwma_demuxer_select="riffdec"
2243 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2244 alsa_outdev_deps="alsa_asoundlib_h"
2245 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2246 caca_outdev_deps="libcaca"
2247 dshow_indev_deps="IBaseFilter"
2248 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2249 dv1394_indev_deps="dv1394"
2250 dv1394_indev_select="dv_demuxer"
2251 fbdev_indev_deps="linux_fb_h"
2252 fbdev_outdev_deps="linux_fb_h"
2253 iec61883_indev_deps="libiec61883"
2254 jack_indev_deps="jack_jack_h sem_timedwait"
2255 lavfi_indev_deps="avfilter"
2256 libcdio_indev_deps="libcdio"
2257 libdc1394_indev_deps="libdc1394"
2258 libv4l2_indev_deps="libv4l2"
2259 openal_indev_deps="openal"
2260 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2261 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2262 pulse_indev_deps="libpulse"
2263 pulse_outdev_deps="libpulse"
2264 sdl_outdev_deps="sdl"
2265 sndio_indev_deps="sndio_h"
2266 sndio_outdev_deps="sndio_h"
2267 v4l_indev_deps="linux_videodev_h"
2268 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2269 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2270 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2271 vfwcap_indev_extralibs="-lavicap32"
2272 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2273 xv_outdev_extralibs="-lXv -lX11 -lXext"
2274 x11grab_indev_deps="x11grab"
2277 bluray_protocol_deps="libbluray"
2278 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2279 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2280 ffrtmpcrypt_protocol_select="tcp_protocol"
2281 ffrtmphttp_protocol_deps="!librtmp_protocol"
2282 ffrtmphttp_protocol_select="http_protocol"
2283 ftp_protocol_select="tcp_protocol"
2284 gopher_protocol_select="network"
2285 httpproxy_protocol_select="tcp_protocol"
2286 http_protocol_select="tcp_protocol"
2287 https_protocol_select="tls_protocol"
2288 librtmp_protocol_deps="librtmp"
2289 librtmpe_protocol_deps="librtmp"
2290 librtmps_protocol_deps="librtmp"
2291 librtmpt_protocol_deps="librtmp"
2292 librtmpte_protocol_deps="librtmp"
2293 libssh_protocol_deps="libssh"
2294 mmsh_protocol_select="http_protocol"
2295 mmst_protocol_select="network"
2296 rtmp_protocol_deps="!librtmp_protocol"
2297 rtmp_protocol_select="tcp_protocol"
2298 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2299 rtmps_protocol_deps="!librtmp_protocol"
2300 rtmps_protocol_select="tls_protocol"
2301 rtmpt_protocol_select="ffrtmphttp_protocol"
2302 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2303 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2304 rtp_protocol_select="udp_protocol"
2305 sctp_protocol_deps="struct_sctp_event_subscribe"
2306 sctp_protocol_select="network"
2307 srtp_protocol_select="rtp_protocol"
2308 tcp_protocol_select="network"
2309 tls_protocol_deps_any="openssl gnutls"
2310 tls_protocol_select="tcp_protocol"
2311 udp_protocol_select="network"
2312 unix_protocol_deps="sys_un_h"
2313 unix_protocol_select="network"
2316 aconvert_filter_deps="swresample"
2317 amovie_filter_deps="avcodec avformat"
2318 aresample_filter_deps="swresample"
2319 ass_filter_deps="libass"
2320 asyncts_filter_deps="avresample"
2321 atempo_filter_deps="avcodec"
2322 atempo_filter_select="rdft"
2323 azmq_filter_deps="libzmq"
2324 blackframe_filter_deps="gpl"
2325 boxblur_filter_deps="gpl"
2326 colormatrix_filter_deps="gpl"
2327 cropdetect_filter_deps="gpl"
2328 dctdnoiz_filter_deps="avcodec"
2329 dctdnoiz_filter_select="fft"
2330 delogo_filter_deps="gpl"
2331 deshake_filter_deps="avcodec"
2332 deshake_filter_select="dsputil"
2333 drawtext_filter_deps="libfreetype"
2334 ebur128_filter_deps="gpl"
2335 flite_filter_deps="libflite"
2336 frei0r_filter_deps="frei0r dlopen"
2337 frei0r_filter_extralibs='$ldl'
2338 frei0r_src_filter_deps="frei0r dlopen"
2339 frei0r_src_filter_extralibs='$ldl'
2340 geq_filter_deps="gpl"
2341 histeq_filter_deps="gpl"
2342 hqdn3d_filter_deps="gpl"
2343 interlace_filter_deps="gpl"
2344 kerndeint_filter_deps="gpl"
2345 ladspa_filter_deps="ladspa dlopen"
2346 mcdeint_filter_deps="avcodec gpl"
2347 movie_filter_deps="avcodec avformat"
2348 mp_filter_deps="gpl avcodec swscale inline_asm"
2349 mpdecimate_filter_deps="gpl avcodec"
2350 mptestsrc_filter_deps="gpl"
2351 negate_filter_deps="lut_filter"
2352 perspective_filter_deps="gpl"
2353 resample_filter_deps="avresample"
2354 ocv_filter_deps="libopencv"
2355 owdenoise_filter_deps="gpl"
2356 pan_filter_deps="swresample"
2357 phase_filter_deps="gpl"
2358 pp_filter_deps="gpl postproc"
2359 pullup_filter_deps="gpl"
2360 removelogo_filter_deps="avcodec avformat swscale"
2361 sab_filter_deps="gpl swscale"
2362 scale_filter_deps="swscale"
2363 smartblur_filter_deps="gpl swscale"
2364 showspectrum_filter_deps="avcodec"
2365 showspectrum_filter_select="rdft"
2366 spp_filter_deps="gpl avcodec"
2367 spp_filter_select="fft"
2368 stereo3d_filter_deps="gpl"
2369 subtitles_filter_deps="avformat avcodec libass"
2370 super2xsai_filter_deps="gpl"
2371 tinterlace_filter_deps="gpl"
2372 vidstabdetect_filter_deps="libvidstab"
2373 vidstabtransform_filter_deps="libvidstab"
2374 yadif_filter_deps="gpl"
2375 pixfmts_super2xsai_test_deps="super2xsai_filter"
2376 tinterlace_merge_test_deps="tinterlace_filter"
2377 tinterlace_pad_test_deps="tinterlace_filter"
2378 zmq_filter_deps="libzmq"
2381 decoding_encoding_example_deps="avcodec avutil"
2382 demuxing_decoding_example_deps="avcodec avformat avutil"
2383 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2384 filtering_video_example_deps="avfilter avcodec avformat avutil"
2385 metadata_example_deps="avformat avutil"
2386 muxing_example_deps="avcodec avformat avutil swscale"
2387 resampling_audio_example_deps="avutil swresample"
2388 scaling_video_example_deps="avutil swscale"
2389 transcode_aac_example_deps="avcodec avformat swresample"
2392 avcodec_deps="avutil"
2393 avdevice_deps="avutil avcodec avformat"
2394 avfilter_deps="avutil"
2395 avformat_deps="avutil avcodec"
2396 avresample_deps="avutil"
2397 postproc_deps="avutil gpl"
2398 swscale_deps="avutil"
2401 ffmpeg_deps="avcodec avfilter avformat swresample"
2402 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2404 setpts_filter trim_filter"
2405 ffplay_deps="avcodec avformat swscale swresample sdl"
2406 ffplay_select="rdft crop_filter"
2407 ffprobe_deps="avcodec avformat"
2408 ffserver_deps="avformat fork sarestart"
2409 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2410 ffserver_extralibs='$ldl'
2413 podpages_deps="perl"
2414 manpages_deps="perl pod2man"
2415 htmlpages_deps="perl texi2html"
2416 txtpages_deps="perl makeinfo"
2417 doc_deps_any="manpages htmlpages podpages txtpages"
2419 # default parameters
2421 logfile="config.log"
2423 # installation paths
2424 prefix_default="/usr/local"
2425 bindir_default='${prefix}/bin'
2426 datadir_default='${prefix}/share/ffmpeg'
2427 docdir_default='${prefix}/share/doc/ffmpeg'
2428 incdir_default='${prefix}/include'
2429 libdir_default='${prefix}/lib'
2430 mandir_default='${prefix}/share/man'
2431 shlibdir_default="$libdir_default"
2437 host_cc_default="gcc"
2443 pkg_config_default=pkg-config
2445 strip_default="strip"
2446 yasmexe_default="yasm"
2447 windres_default="windres"
2452 arch_default=$(uname -m)
2456 target_os_default=$(tolower $(uname -s))
2457 host_os=$target_os_default
2459 # configurable options
2460 enable $PROGRAM_LIST
2461 enable $DOCUMENT_LIST
2462 enable $EXAMPLE_LIST
2463 enable $(filter_out avresample $LIBRARY_LIST)
2469 enable optimizations
2470 enable runtime_cpudetect
2471 enable safe_bitstream_reader
2473 enable swscale_alpha
2475 # Enable hwaccels by default.
2476 enable dxva2 vaapi vdpau xvmc
2479 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2482 FULLNAME='$(NAME)$(BUILDSUF)'
2483 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2486 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2487 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2488 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2489 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2490 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2491 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2513 host_cppflags='-D_ISOC99_SOURCE'
2515 host_cflags_filter=echo
2516 host_ldflags_filter=echo
2518 target_path='$(CURDIR)'
2520 # since the object filename is not given with the -MM flag, the compiler
2521 # is only able to print the basename, and we must add the path ourselves
2522 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2526 if test -f configure; then
2529 source_path=$(cd $(dirname "$0"); pwd)
2530 echo "$source_path" | grep -q '[[:blank:]]' &&
2531 die "Out of tree builds are impossible with whitespace in source path."
2532 test -e "$source_path/config.h" &&
2533 die "Out of tree builds are impossible with config.h in source dir."
2540 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2546 file=$source_path/$3
2547 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2550 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2551 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2552 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2553 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2554 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2555 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2556 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2557 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2558 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2559 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2560 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2576 for n in $COMPONENT_LIST; do
2577 v=$(toupper ${n%s})_LIST
2579 eval ${n}_if_any="\$$v"
2582 enable $ARCH_EXT_LIST
2585 echo "Unknown option \"$1\"."
2586 echo "See $0 --help for available options."
2591 cat | tr ' ' '\n' | sort | pr -r -3 -t
2597 echo $* | sed s/$suffix//g | print_3_columns
2609 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2610 echo "prob ${prob:-0.5}"
2618 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2619 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2629 add_extralibs $optval
2632 disable $INDEV_LIST $OUTDEV_LIST
2635 debuglevel="$optval"
2638 disable $PROGRAM_LIST
2640 --disable-everything)
2641 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2644 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2645 disable $LIBRARY_LIST $PROGRAM_LIST doc
2647 --enable-random|--disable-random)
2648 action=${opt%%-random}
2649 do_random ${action#--} $COMPONENT_LIST
2651 --enable-random=*|--disable-random=*)
2652 action=${opt%%-random=*}
2653 do_random ${action#--} $optval
2655 --enable-*=*|--disable-*=*)
2656 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2657 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2658 eval list=\$$(toupper $thing)_LIST
2659 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2660 list=$(filter "$name" $list)
2661 [ "$list" = "" ] && warn "Option $opt did not match anything"
2664 --enable-?*|--disable-?*)
2665 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2666 if is_in $option $COMPONENT_LIST; then
2667 test $action = disable && action=unset
2668 eval $action \$$(toupper ${option%s})_LIST
2669 elif is_in $option $CMDLINE_SELECT; then
2676 NAME="${opt#--list-}"
2677 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2679 eval show_list $NAME \$$(toupper $NAME)_LIST
2681 --help|-h) show_help
2683 --fatal-warnings) enable fatal_warnings
2686 optname="${opt%%=*}"
2687 optname="${optname#--}"
2688 optname=$(echo "$optname" | sed 's/-/_/g')
2689 if is_in $optname $CMDLINE_SET; then
2690 eval $optname='$optval'
2691 elif is_in $optname $CMDLINE_APPEND; then
2692 append $optname "$optval"
2700 disabled logging && logfile=/dev/null
2702 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2705 test -n "$cross_prefix" && enable cross_compile
2707 if enabled cross_compile; then
2708 test -n "$arch" && test -n "$target_os" ||
2709 die "Must specify target arch and OS when cross-compiling"
2712 ar_default="${cross_prefix}${ar_default}"
2713 cc_default="${cross_prefix}${cc_default}"
2714 cxx_default="${cross_prefix}${cxx_default}"
2715 nm_default="${cross_prefix}${nm_default}"
2716 pkg_config_default="${cross_prefix}${pkg_config_default}"
2717 ranlib="${cross_prefix}${ranlib}"
2718 strip_default="${cross_prefix}${strip_default}"
2719 windres_default="${cross_prefix}${windres_default}"
2721 sysinclude_default="${sysroot}/usr/include"
2723 test -n "$valgrind" && toolchain="valgrind-memcheck"
2725 case "$toolchain" in
2728 add_cflags -fsanitize=address
2729 add_ldflags -fsanitize=address
2733 add_cflags -fsanitize=thread -pie
2734 add_ldflags -fsanitize=thread -pie
2738 add_cflags -fsanitize=address
2739 add_ldflags -fsanitize=address
2743 add_cflags -fsanitize=thread -pie -fPIC
2744 add_ldflags -fsanitize=thread -pie -fPIC
2747 target_exec_default=${valgrind:-"valgrind"}
2748 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"
2751 target_exec_default=${valgrind:-"valgrind"}
2752 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2755 # Check whether the current MSVC version needs the C99 converter.
2756 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2757 # support enough of C99 to build ffmpeg. Default to the new
2758 # behaviour if the regexp was unable to match anything, since this
2759 # successfully parses the version number of existing supported
2760 # versions that require the converter (MSVC 2010 and 2012).
2761 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2762 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2765 cc_default="c99wrap cl"
2768 nm_default="dumpbin -symbols"
2770 target_os_default="win32"
2771 # Use a relative path for TMPDIR. This makes sure all the
2772 # ffconf temp files are written with a relative path, avoiding
2773 # issues with msys/win32 path conversion for MSVC parameters
2774 # such as -Fo<file> or -out:<file>.
2780 nm_default="dumpbin -symbols"
2782 target_os_default="win32"
2786 add_cflags -fprofile-arcs -ftest-coverage
2787 add_ldflags -fprofile-arcs -ftest-coverage
2790 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2791 add_ldflags -Wl,-z,relro -Wl,-z,now
2794 die "Unknown toolchain $toolchain"
2798 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2799 enabled cross_compile || host_cc_default=$cc
2802 if ! $pkg_config --version >/dev/null 2>&1; then
2803 warn "$pkg_config not found, library detection may fail."
2809 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2813 EXESUF=$(exesuf $target_os)
2814 HOSTEXESUF=$(exesuf $host_os)
2816 # set temporary file name
2817 : ${TMPDIR:=$TEMPDIR}
2821 if [ -n "$tempprefix" ] ; then
2823 echo $tempprefix.${HOSTNAME}.${UID}
2825 elif ! check_cmd mktemp -u XXXXXX; then
2826 # simple replacement for missing mktemp
2827 # NOT SAFE FOR GENERAL USE
2829 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2834 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2835 (set -C; exec > $tmp) 2>/dev/null ||
2836 die "Unable to create temporary file in $TMPDIR."
2837 append TMPFILES $tmp
2841 trap 'rm -f -- $TMPFILES' EXIT
2846 tmpfile TMPE $EXESUF
2857 # make sure we can execute files in $TMPDIR
2858 cat > $TMPSH 2>> $logfile <<EOF
2861 chmod +x $TMPSH >> $logfile 2>&1
2862 if ! $TMPSH >> $logfile 2>&1; then
2864 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2865 variable to another directory and make sure that it is not mounted noexec.
2867 die "Sanity test failed."
2873 -std=c99) echo -c99 ;;
2874 -mcpu=*) echo -arch ${flag#*=} ;;
2875 -mieee) echo -ieee ;;
2876 -O*|-fast) echo $flag ;;
2877 -fno-math-errno) echo -assume nomath_errno ;;
2879 -Wall) echo -msg_enable level2 ;;
2880 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2881 -Wl,*) echo $flag ;;
2891 -Wno-switch) echo -Wno-switch-enum ;;
2892 -Wno-format-zero-length) ;;
2893 -Wdisabled-optimization) ;;
2894 -Wno-pointer-sign) echo -Wno-other ;;
2900 msvc_common_flags(){
2903 # In addition to specifying certain flags under the compiler
2904 # specific filters, they must be specified here as well or else the
2905 # generic catch all at the bottom will print the original flag.
2909 -fomit-frame-pointer) ;;
2913 -fno-signed-zeros) ;;
2917 -lz) echo zlib.lib ;;
2918 -lavifil32) echo vfw32.lib ;;
2919 -lavicap32) echo vfw32.lib user32.lib ;;
2920 -l*) echo ${flag#-l}.lib ;;
2927 msvc_common_flags "$@"
2930 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2931 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2932 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2940 msvc_common_flags "$@"
2943 # Despite what Intel's documentation says -Wall, which is supported
2944 # on Windows, does enable remarks so disable them here.
2945 -Wall) echo $flag -Qdiag-disable:remark ;;
2946 -std=c99) echo -Qstd=c99 ;;
2954 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2955 -fomit-frame-pointer) echo -Mnoframe ;;
2966 case "${flag#*=}" in
2967 native) echo -xtarget=native ;;
2968 v9|niagara) echo -xarch=sparc ;;
2969 ultrasparc) echo -xarch=sparcvis ;;
2970 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2971 i586|pentium) echo -xchip=pentium ;;
2972 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2973 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2974 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2975 pentium4*) echo -xtarget=pentium4 ;;
2976 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2977 *-sse3) echo -xarch=sse3 ;;
2978 core2) echo -xarch=ssse3 -xchip=core2 ;;
2979 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2980 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2981 amdfam10|barcelona) echo -xtarget=barcelona ;;
2982 bdver*) echo -xarch=avx ;;
2983 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2984 k8|opteron|athlon64|athlon-fx)
2985 echo -xarch=sse2a ;;
2986 athlon*) echo -xarch=pentium_proa ;;
2989 -std=c99) echo -xc99 ;;
2990 -fomit-frame-pointer) echo -xregs=frameptr ;;
2991 -fPIC) echo -KPIC -xcode=pic32 ;;
2992 -W*,*) echo $flag ;;
2993 -f*-*|-W*|-mimpure-text) ;;
3004 case "${flag#*=}" in
3005 armv7-a|cortex-a*) echo -mv=7a8 ;;
3006 armv7-r|cortex-r*) echo -mv=7r4 ;;
3007 armv7-m|cortex-m*) echo -mv=7m3 ;;
3008 armv6*|arm11*) echo -mv=6 ;;
3009 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3011 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3014 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3015 -mfpu=vfp) echo --float_support=vfpv2 ;;
3016 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3017 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3018 -msoft-float) echo --float_support=vfplib ;;
3019 -O[0-3]|-mf=*) echo $flag ;;
3021 -pds=*) echo $flag ;;
3022 -D*|-I*) echo $flag ;;
3023 --gcc|--abi=*) echo $flag ;;
3033 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3034 unset _ld_o _ldflags _ld_lib _ld_path
3035 unset _depflags _DEPCMD _DEPFLAGS
3038 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3039 true # no-op to avoid reading stdin in following checks
3040 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3042 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3043 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3044 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3047 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3049 gcc_version=$($_cc --version | head -n1)
3050 gcc_basever=$($_cc -dumpversion)
3051 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3052 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3053 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3054 if ! $_cc -dumpversion | grep -q '^2\.'; then
3055 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3059 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3061 _ident=$($_cc --version | head -n1)
3066 elif $_cc -v 2>&1 | grep -q xlc; then
3068 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3070 _cflags_size='-O5 -qcompact'
3071 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3073 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3075 _cflags_speed='-fast'
3077 _flags_filter=ccc_flags
3078 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3079 test -d "$sysroot" || die "No valid sysroot specified."
3081 _ident=$($_cc --vsn | head -n1)
3082 armcc_conf="$PWD/armcc.conf"
3083 $_cc --arm_linux_configure \
3084 --arm_linux_config_file="$armcc_conf" \
3085 --configure_sysroot="$sysroot" \
3086 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3087 die "Error creating armcc configuration file."
3088 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3089 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3090 as_default="${cross_prefix}gcc"
3094 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3096 _ident=$($_cc -version | head -n1 | tr -s ' ')
3097 _flags='--gcc --abi=eabi -me'
3100 _depflags='-ppa -ppd=$(@:.o=.d)'
3101 _cflags_speed='-O3 -mf=5'
3102 _cflags_size='-O3 -mf=2'
3103 _flags_filter=tms470_flags
3104 elif $_cc -v 2>&1 | grep -q clang; then
3106 _ident=$($_cc --version | head -n1)
3110 elif $_cc -V 2>&1 | grep -q Sun; then
3112 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3113 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3114 _DEPFLAGS='-xM1 -xc99'
3117 _cflags_size='-O5 -xspace'
3118 _flags_filter=suncc_flags
3119 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3121 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3122 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3125 _flags_filter='filter_out -Wdisabled-optimization'
3126 elif $_cc -v 2>&1 | grep -q Open64; then
3128 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3129 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3132 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3133 elif $_cc -V 2>&1 | grep -q Portland; then
3135 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3136 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3137 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3138 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3140 _flags_filter=pgi_flags
3141 elif $_cc 2>&1 | grep -q Microsoft; then
3143 _ident=$($cc 2>&1 | head -n1)
3144 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3145 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3148 if $_cc 2>&1 | grep -q Linker; then
3155 _flags_filter=msvc_flags
3157 _ld_path='-libpath:'
3159 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3160 if [ $pfx = hostcc ]; then
3161 append _cflags -Dsnprintf=_snprintf
3164 elif $_cc 2>&1 | grep -q Intel; then
3166 _ident=$($cc 2>&1 | head -n1)
3167 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3168 # Not only is O3 broken on 13.x+ but it is slower on all previous
3169 # versions (tested) as well.
3171 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3172 if $_cc 2>&1 | grep -q Linker; then
3179 _flags_filter=icl_flags
3181 _ld_path='-libpath:'
3182 # -Qdiag-error to make icl error when seeing certain unknown arguments
3183 _flags='-nologo -Qdiag-error:4044,10157'
3184 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3185 # with MSVC which enables it by default.
3186 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3187 if [ $pfx = hostcc ]; then
3188 append _cflags -Dsnprintf=_snprintf
3190 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3192 _ident=$($_cc --version | head -n1)
3196 _flags_filter=cparser_flags
3199 eval ${pfx}_type=\$_type
3200 eval ${pfx}_ident=\$_ident
3204 eval ${1}_C=\${_cc_c-\${${1}_C}}
3205 eval ${1}_E=\${_cc_e-\${${1}_E}}
3206 eval ${1}_O=\${_cc_o-\${${1}_O}}
3208 if [ -n "$_depflags" ]; then
3209 eval ${1}_DEPFLAGS=\$_depflags
3211 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3212 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3213 eval DEP${1}FLAGS=\$_flags
3218 cflags_filter=$_flags_filter
3219 cflags_speed=$_cflags_speed
3220 cflags_size=$_cflags_size
3221 cflags_noopt=$_cflags_noopt
3222 add_cflags $_flags $_cflags
3223 cc_ldflags=$_ldflags
3226 probe_cc hostcc "$host_cc"
3227 host_cflags_filter=$_flags_filter
3228 add_host_cflags $_flags $_cflags
3231 test -n "$cc_type" && enable $cc_type ||
3232 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3234 : ${as_default:=$cc}
3235 : ${dep_cc_default:=$cc}
3236 : ${ld_default:=$cc}
3237 : ${host_ld_default:=$host_cc}
3238 set_default ar as dep_cc ld host_ld windres
3241 asflags_filter=$_flags_filter
3242 add_asflags $_flags $_cflags
3246 ldflags_filter=$_flags_filter
3247 add_ldflags $_flags $_ldflags
3248 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3250 LD_LIB=${_ld_lib-$LD_LIB}
3251 LD_PATH=${_ld_path-$LD_PATH}
3253 probe_cc hostld "$host_ld"
3254 host_ldflags_filter=$_flags_filter
3255 add_host_ldflags $_flags $_ldflags
3256 HOSTLD_O=${_ld_o-$HOSTLD_O}
3258 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3259 probe_cc depcc "$dep_cc"
3260 CCDEP=${_DEPCMD:-$DEPCMD}
3261 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3265 if $ar 2>&1 | grep -q Microsoft; then
3268 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3271 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3272 arflags='-Xany -r -c'
3279 add_cflags $extra_cflags
3280 add_cxxflags $extra_cxxflags
3281 add_asflags $extra_cflags
3283 if test -n "$sysroot"; then
3286 add_cppflags --sysroot="$sysroot"
3287 add_ldflags --sysroot="$sysroot"
3290 add_cppflags -I"$sysinclude"
3291 add_ldflags --sysroot="$sysroot"
3296 if test "$cpu" = host; then
3297 enabled cross_compile &&
3298 die "--cpu=host makes no sense when cross-compiling."
3303 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3305 s/.*$1=\\([^ ]*\\).*/\\1/
3310 cpu=$(check_native -march || check_native -mcpu)
3314 test "${cpu:-host}" = host &&
3315 die "--cpu=host not supported with compiler $cc"
3318 # Deal with common $arch aliases
3332 "Power Macintosh"|ppc*|powerpc*)
3347 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3352 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3355 # Add processor-specific flags
3356 if enabled aarch64; then
3360 cpuflags="-march=$cpu"
3363 cpuflags="-mcpu=$cpu"
3367 elif enabled alpha; then
3369 cpuflags="-mcpu=$cpu"
3371 elif enabled arm; then
3374 check_cpp_condition stddef.h \
3375 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3380 if check_arm_arch 4; then echo armv4;
3381 elif check_arm_arch 4T; then echo armv4t;
3382 elif check_arm_arch 5; then echo armv5;
3383 elif check_arm_arch 5E; then echo armv5e;
3384 elif check_arm_arch 5T; then echo armv5t;
3385 elif check_arm_arch 5TE; then echo armv5te;
3386 elif check_arm_arch 5TEJ; then echo armv5te;
3387 elif check_arm_arch 6; then echo armv6;
3388 elif check_arm_arch 6J; then echo armv6j;
3389 elif check_arm_arch 6K; then echo armv6k;
3390 elif check_arm_arch 6Z; then echo armv6z;
3391 elif check_arm_arch 6ZK; then echo armv6zk;
3392 elif check_arm_arch 6T2; then echo armv6t2;
3393 elif check_arm_arch 7; then echo armv7;
3394 elif check_arm_arch 7A 7_A; then echo armv7-a;
3395 elif check_arm_arch 7R 7_R; then echo armv7-r;
3396 elif check_arm_arch 7M 7_M; then echo armv7-m;
3397 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3398 elif check_arm_arch 8A 8_A; then echo armv8-a;
3402 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3406 cpuflags="-march=$cpu"
3407 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3410 cpuflags="-mcpu=$cpu"
3412 cortex-a*) subarch=armv7a ;;
3413 cortex-r*) subarch=armv7r ;;
3414 cortex-m*) enable thumb; subarch=armv7m ;;
3415 arm11*) subarch=armv6 ;;
3416 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3417 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3418 *) subarch=$(probe_arm_arch) ;;
3424 armv5t*) enable fast_clz ;;
3425 armv[6-8]*) enable fast_clz fast_unaligned ;;
3428 elif enabled avr32; then
3433 cpuflags="-mpart=$cpu"
3437 cpuflags="-march=$cpu"
3441 cpuflags="-mcpu=$cpu"
3445 cpuflags="-march=$cpu"
3449 elif enabled bfin; then
3451 cpuflags="-mcpu=$cpu"
3453 elif enabled mips; then
3455 cpuflags="-march=$cpu"
3471 24kef*|34kf*|1004kf*)
3479 elif enabled ppc; then
3481 case $(tolower $cpu) in
3482 601|ppc601|powerpc601)
3483 cpuflags="-mcpu=601"
3486 603*|ppc603*|powerpc603*)
3487 cpuflags="-mcpu=603"
3490 604*|ppc604*|powerpc604*)
3491 cpuflags="-mcpu=604"
3494 g3|75*|ppc75*|powerpc75*)
3495 cpuflags="-mcpu=750"
3498 g4|745*|ppc745*|powerpc745*)
3499 cpuflags="-mcpu=7450"
3501 74*|ppc74*|powerpc74*)
3502 cpuflags="-mcpu=7400"
3504 g5|970|ppc970|powerpc970)
3505 cpuflags="-mcpu=970"
3508 cpuflags="-mcpu=$cpu"
3511 cpuflags="-mcpu=cell"
3515 cpuflags="-mcpu=e500mc"
3519 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3523 cpuflags="-mcpu=8540 -mhard-float"
3528 elif enabled sparc; then
3531 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3532 cpuflags="-mcpu=$cpu"
3535 ultrasparc*|niagara[234])
3536 cpuflags="-mcpu=$cpu"
3540 elif enabled x86; then
3544 cpuflags="-march=$cpu"
3547 # targets that do NOT support nopl and conditional mov (cmov)
3548 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3549 cpuflags="-march=$cpu"
3552 # targets that do support nopl and conditional mov (cmov)
3553 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*)
3554 cpuflags="-march=$cpu"
3558 # targets that do support conditional mov but on which it's slow
3559 pentium4|pentium4m|prescott|nocona)
3560 cpuflags="-march=$cpu"
3568 if [ "$cpu" != generic ]; then
3569 add_cflags $cpuflags
3570 add_asflags $cpuflags
3573 # compiler sanity check
3575 int main(void){ return 0; }
3577 if test "$?" != 0; then
3578 echo "$cc is unable to create an executable file."
3579 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3580 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3581 echo "Only do this if you know what cross compiling means."
3583 die "C compiler test failed."
3586 add_cppflags -D_ISOC99_SOURCE
3587 add_cxxflags -D__STDC_CONSTANT_MACROS
3588 check_cflags -std=c99
3589 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3592 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3596 check_host_cflags -std=c99
3597 check_host_cflags -Wall
3603 check_code cc "" "int test[2*($expr) - 1]" &&
3604 subarch=$arch64 || subarch=$arch32
3612 check_64bit mips mips64 '_MIPS_SIM > 1'
3616 check_64bit parisc parisc64 'sizeof(void *) > 4'
3620 check_64bit ppc ppc64 'sizeof(void *) > 4'
3624 check_64bit sparc sparc64 'sizeof(void *) > 4'
3628 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3629 if test "$subarch" = "x86_64"; then
3634 check_cc <<EOF && subarch="ppc64"
3635 int test[(int)sizeof(char*) - 7];
3641 enabled spic && enable_weak pic
3647 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3648 enabled shared && add_ldflags -Wl,-brtl
3651 prefix_default="/boot/common"
3652 network_extralibs="-lnetwork"
3656 SHFLAGS='-shared -Wl,-h,$$(@F)'
3657 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3658 network_extralibs="-lsocket -lnsl"
3659 # When using suncc to build, the Solaris linker will mark
3660 # an executable with each instruction set encountered by
3661 # the Solaris assembler. As our libraries contain their own
3662 # guards for processor-specific code, instead suppress
3663 # generation of the HWCAPS ELF section on Solaris x86 only.
3664 enabled_all suncc x86 &&
3665 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3666 add_ldflags -Wl,-M,mapfile
3667 nm_default='nm -P -g'
3671 oss_indev_extralibs="-lossaudio"
3672 oss_outdev_extralibs="-lossaudio"
3673 enabled gcc || check_ldflags -Wl,-zmuldefs
3678 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3680 oss_indev_extralibs="-lossaudio"
3681 oss_outdev_extralibs="-lossaudio"
3689 add_extralibs -lpoll -lgnugetopt
3693 gas="gas-preprocessor.pl $cc"
3694 enabled ppc && add_asflags -force_cpusubtype_ALL
3695 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3696 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3698 add_ldflags -Wl,-dynamic,-search_paths_first
3700 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3701 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3703 enabled x86_64 && objformat="macho64"
3704 enabled_any pic shared ||
3705 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3708 if test $target_os = "mingw32ce"; then
3714 if enabled x86_64; then
3715 LIBTARGET="i386:x86-64"
3716 elif enabled arm; then
3719 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3720 check_ldflags -Wl,--nxcompat
3721 check_ldflags -Wl,--dynamicbase
3722 shlibdir_default="$bindir_default"
3725 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3726 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3727 dlltool="${cross_prefix}dlltool"
3728 if check_cmd lib.exe -list; then
3729 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3730 if enabled x86_64; then
3733 elif check_cmd $dlltool --version; then
3734 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3736 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3738 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3739 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3740 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3747 if enabled shared; then
3748 # Link to the import library instead of the normal static library
3751 # Cannot build both shared and static libs with MSVC or icl.
3754 shlibdir_default="$bindir_default"
3757 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3758 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3759 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3760 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3762 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3763 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3764 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3771 shlibdir_default="$bindir_default"
3774 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3775 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3776 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3778 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3779 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3782 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3784 *-dos|freedos|opendos)
3785 network_extralibs="-lsocket"
3788 add_cppflags -U__STRICT_ANSI__
3795 ranlib="echo ignoring ranlib"
3801 add_cppflags -D_GNU_SOURCE
3802 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3803 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3807 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3808 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3809 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3810 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3811 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3812 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3813 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3814 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3815 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3816 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3817 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3819 enable_weak os2threads
3822 add_cppflags -D_BSD_SOURCE
3827 add_cppflags -D_QNX_SOURCE
3828 network_extralibs="-lsocket"
3833 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3834 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3835 add_ldflags -Wl,--target1-abs,--no-undefined \
3836 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3837 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3838 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3839 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3840 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3843 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3848 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3849 -D_REENTRANT_SOURCE \
3850 -D_RESEARCH_SOURCE \
3853 add_compat strtod.o strtod=avpriv_strtod
3854 network_extralibs='-lbsd'
3855 exeobjs=compat/plan9/main.o
3862 die "Unknown OS '$target_os'."
3866 # determine libc flavour
3871 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3872 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3873 eval ${pfx}libc_type=uclibc
3874 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3875 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3876 eval ${pfx}libc_type=glibc
3877 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3878 # MinGW headers can be installed on Cygwin, so check for newlib first.
3879 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3880 eval ${pfx}libc_type=newlib
3881 add_${pfx}cppflags -U__STRICT_ANSI__
3882 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3883 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3884 eval ${pfx}libc_type=mingw64
3885 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3886 add_compat msvcrt/snprintf.o
3887 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3889 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3890 eval test \$${pfx_no_}cc_type = "gcc" &&
3891 add_${pfx}cppflags -D__printf__=__gnu_printf__
3892 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3893 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3894 eval ${pfx}libc_type=mingw32
3895 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3896 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3897 die "ERROR: MinGW32 runtime version must be >= 3.15."
3898 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3899 eval test \$${pfx_no_}cc_type = "gcc" &&
3900 add_${pfx}cppflags -D__printf__=__gnu_printf__
3901 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3902 eval ${pfx}libc_type=msvcrt
3903 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3904 # 0x601 by default unless something else is set by the user.
3905 # This can easily lead to us detecting functions only present
3906 # in such new versions and producing binaries requiring windows 7.0.
3907 # Therefore explicitly set the default to XP unless the user has
3908 # set something else on the command line.
3909 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3910 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3911 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3912 eval ${pfx}libc_type=klibc
3913 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3914 eval ${pfx}libc_type=bionic
3915 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3916 eval ${pfx}libc_type=solaris
3917 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3922 test -n "$libc_type" && enable libc_$libc_type
3924 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3928 add_compat strtod.o strtod=avpriv_strtod
3931 add_compat strtod.o strtod=avpriv_strtod
3932 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3933 _snprintf=avpriv_snprintf \
3934 vsnprintf=avpriv_vsnprintf
3938 # hacks for compiler/libc/os combinations
3940 if enabled_all tms470 libc_glibc; then
3941 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3942 add_cppflags -D__USER_LABEL_PREFIX__=
3943 add_cppflags -D__builtin_memset=memset
3944 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3945 add_cflags -pds=48 # incompatible redefinition of macro
3948 if enabled_all ccc libc_glibc; then
3949 add_ldflags -Wl,-z,now # calls to libots crash without this
3953 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3956 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3958 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3960 set_default $PATHS_LIST
3963 # we need to build at least one lib type
3964 if ! enabled_any static shared; then
3966 At least one library type must be built.
3967 Specify --enable-static to build the static libraries or --enable-shared to
3968 build the shared libraries as well. To only build the shared libraries specify
3969 --disable-static in addition to --enable-shared.
3974 # backward compatibility layer for incompatible_libav/fork_abi
3975 enabled incompatible_fork_abi && enable incompatible_libav_abi
3976 enabled incompatible_libav_abi && enable incompatible_fork_abi
3978 die_license_disabled() {
3979 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3982 die_license_disabled_gpl() {
3983 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3986 die_license_disabled gpl frei0r
3987 die_license_disabled gpl libcdio
3988 die_license_disabled gpl libutvideo
3989 die_license_disabled gpl libvidstab
3990 die_license_disabled gpl libx264
3991 die_license_disabled gpl libxavs
3992 die_license_disabled gpl libxvid
3993 die_license_disabled gpl libzvbi
3994 die_license_disabled gpl x11grab
3996 die_license_disabled nonfree libaacplus
3997 die_license_disabled nonfree libfaac
3998 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3999 enabled gpl && die_license_disabled_gpl nonfree openssl
4001 die_license_disabled version3 libopencore_amrnb
4002 die_license_disabled version3 libopencore_amrwb
4003 die_license_disabled version3 libvo_aacenc
4004 die_license_disabled version3 libvo_amrwbenc
4006 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4008 disabled optimizations || check_cflags -fomit-frame-pointer
4011 disabled pic && return
4014 case "$target_os" in
4024 enabled pic && enable_weak_pic
4026 check_cc <<EOF || die "Symbol mangling check failed."
4029 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4030 extern_prefix=${sym%%ff_extern*}
4032 check_cc <<EOF && enable_weak inline_asm
4033 void foo(void) { __asm__ volatile ("" ::); }
4037 for restrict_keyword in restrict __restrict__ __restrict; do
4038 check_cc <<EOF && _restrict=$restrict_keyword && break
4039 void foo(char * $restrict_keyword p);
4043 check_cc <<EOF && enable pragma_deprecated
4044 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4047 check_cc <<EOF && enable attribute_packed
4048 struct { int x; } __attribute__((packed)) x;
4051 check_cc <<EOF && enable attribute_may_alias
4052 union { int x; } __attribute__((may_alias)) x;
4055 check_cc <<EOF || die "endian test failed"
4056 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4058 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4060 check_inline_asm inline_asm_labels '"1:\n"'
4062 if enabled alpha; then
4066 elif enabled arm; then
4068 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4069 float func(float a, float b){ return a+b; }
4072 enabled thumb && check_cflags -mthumb || check_cflags -marm
4075 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4077 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4078 case "${cross_prefix:-$cc}" in
4079 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4080 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4081 __asm__ (".eabi_attribute 28, 1");
4082 int main(void) { return 0; }
4085 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4088 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4089 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4090 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4091 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4092 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4093 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4095 [ $target_os = linux ] ||
4096 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4099 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4100 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
4102 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4104 elif enabled mips; then
4106 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4107 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4108 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4109 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4110 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4111 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4112 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4113 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4114 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4116 elif enabled parisc; then
4118 if enabled gcc; then
4119 case $($cc -dumpversion) in
4120 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4124 elif enabled ppc; then
4126 enable local_aligned_8 local_aligned_16
4128 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4129 check_inline_asm ibm_asm '"add 0, 0, 0"'
4130 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4131 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4133 # AltiVec flags: The FSF version of GCC differs from the Apple version
4134 if enabled altivec; then
4135 if ! enabled_any pic ppc64; then
4138 check_cflags -maltivec -mabi=altivec &&
4139 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4140 check_cflags -faltivec
4142 # check if our compiler supports Motorola AltiVec C API
4143 check_cc <<EOF || disable altivec
4146 vector signed int v1 = (vector signed int) { 0 };
4147 vector signed int v2 = (vector signed int) { 1 };
4148 v1 = vec_add(v1, v2);
4153 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4156 elif enabled sparc; then
4158 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4160 elif enabled x86; then
4162 check_builtin rdtsc intrin.h "__rdtsc()"
4163 check_builtin mm_empty mmintrin.h "_mm_empty()"
4165 enable local_aligned_8 local_aligned_16
4167 # check whether EBP is available on x86
4168 # As 'i' is stored on the stack, this program will crash
4169 # if the base pointer is used to access it because the
4170 # base pointer is cleared in the inline assembly code.
4171 check_exec_crash <<EOF && enable ebp_available
4173 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4177 # check whether EBX is available on x86
4178 check_inline_asm ebx_available '""::"b"(0)' &&
4179 check_inline_asm ebx_available '"":::"%ebx"'
4181 # check whether xmm clobbers are supported
4182 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4184 # check whether binutils is new enough to compile SSSE3/MMXEXT
4185 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4186 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4188 if ! disabled_any asm mmx yasm; then
4189 if check_cmd $yasmexe --version; then
4190 enabled x86_64 && yasm_extra="-m amd64"
4191 yasm_debug="-g dwarf2"
4192 elif check_cmd nasm -v; then
4194 yasm_debug="-g -F dwarf"
4195 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4198 YASMFLAGS="-f $objformat $yasm_extra"
4199 enabled pic && append YASMFLAGS "-DPIC"
4200 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4201 case "$objformat" in
4202 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4205 check_yasm "movbe ecx, [5]" && enable yasm ||
4206 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4207 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4208 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4209 check_yasm "CPU amdnop" && enable cpunop
4213 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4220 if enabled asm; then
4222 check_as <<EOF && enable gnu_as || \
4223 $nogas "GNU assembler not found, install gas-preprocessor"
4231 check_ldflags -Wl,--as-needed
4233 if check_func dlopen; then
4235 elif check_func dlopen -ldl; then
4239 if ! disabled network; then
4240 check_type "sys/types.h sys/socket.h" socklen_t
4241 check_type netdb.h "struct addrinfo"
4242 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4243 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4244 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4245 check_type netinet/in.h "struct sockaddr_in6"
4246 check_type poll.h "struct pollfd"
4247 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4248 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4249 check_type netinet/sctp.h "struct sctp_event_subscribe"
4250 check_func getaddrinfo $network_extralibs
4251 check_func getservbyport $network_extralibs
4252 # Prefer arpa/inet.h over winsock2
4253 if check_header arpa/inet.h ; then
4254 check_func closesocket
4255 elif check_header winsock2.h ; then
4256 check_func_headers winsock2.h closesocket -lws2 &&
4257 network_extralibs="-lws2" ||
4258 { check_func_headers winsock2.h closesocket -lws2_32 &&
4259 network_extralibs="-lws2_32"; } || disable winsock2_h network
4260 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4261 check_type ws2tcpip.h socklen_t
4262 check_type ws2tcpip.h "struct addrinfo"
4263 check_type ws2tcpip.h "struct group_source_req"
4264 check_type ws2tcpip.h "struct ip_mreq_source"
4265 check_type ws2tcpip.h "struct ipv6_mreq"
4266 check_type winsock2.h "struct pollfd"
4267 check_type ws2tcpip.h "struct sockaddr_in6"
4268 check_type ws2tcpip.h "struct sockaddr_storage"
4269 check_struct winsock2.h "struct sockaddr" sa_len
4275 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4276 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4279 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4282 check_func_headers stdlib.h getenv
4283 check_func gethrtime
4285 check_func getrusage
4286 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4287 check_func gettimeofday
4288 check_func inet_aton $network_extralibs
4290 check_func localtime_r
4291 check_func ${malloc_prefix}memalign && enable memalign
4295 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4296 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4297 check_func setrlimit
4298 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4299 check_func strerror_r
4300 check_func sched_getaffinity
4301 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4302 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4303 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4304 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4305 check_builtin sarestart signal.h "SA_RESTART"
4309 check_func_headers conio.h kbhit
4310 check_func_headers windows.h PeekNamedPipe
4311 check_func_headers io.h setmode
4312 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4313 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4314 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4315 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4316 check_func_headers windows.h GetProcessAffinityMask
4317 check_func_headers windows.h GetProcessTimes
4318 check_func_headers windows.h GetSystemTimeAsFileTime
4319 check_func_headers windows.h MapViewOfFile
4320 check_func_headers windows.h SetConsoleTextAttribute
4321 check_func_headers windows.h Sleep
4322 check_func_headers windows.h VirtualAlloc
4323 check_func_headers glob.h glob
4324 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4326 check_header cl/cl.h
4327 check_header direct.h
4328 check_header dlfcn.h
4330 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4332 check_header libcrystalhd/libcrystalhd_if.h
4333 check_header malloc.h
4335 check_header sys/mman.h
4336 check_header sys/param.h
4337 check_header sys/resource.h
4338 check_header sys/select.h
4339 check_header sys/time.h
4340 check_header sys/un.h
4341 check_header termios.h
4342 check_header unistd.h
4343 check_header vdpau/vdpau.h
4344 check_header vdpau/vdpau_x11.h
4345 check_header VideoDecodeAcceleration/VDADecoder.h
4346 check_header windows.h
4347 check_header X11/extensions/XvMClib.h
4348 check_header asm/types.h
4350 if ! disabled w32threads && ! enabled pthreads; then
4351 check_func_headers "windows.h process.h" _beginthreadex &&
4352 enable w32threads || disable w32threads
4355 # check for some common methods of building with pthread support
4356 # do this before the optional library checks as some of them require pthreads
4357 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4359 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4361 add_extralibs -pthread
4362 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4363 add_cflags -pthreads
4364 add_extralibs -pthreads
4365 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4366 add_extralibs -lpthreadGC2
4367 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4369 elif ! check_func pthread_join && ! check_func pthread_create; then
4372 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4375 for thread in $THREADS_LIST; do
4376 if enabled $thread; then
4377 test -n "$thread_type" &&
4378 die "ERROR: Only one thread type must be selected." ||
4379 thread_type="$thread"
4383 if enabled pthreads; then
4384 check_func pthread_cancel
4387 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4388 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4390 check_lib math.h sin -lm && LIBM="-lm"
4391 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4397 for func in $MATH_FUNCS; do
4398 eval check_mathfunc $func \${${func}_args:-1}
4401 # these are off by default, so fail if requested and not available
4402 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4403 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4404 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4405 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4406 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4407 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4408 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4409 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4410 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4411 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4412 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4413 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4414 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4415 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4416 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4417 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4418 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4419 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"
4420 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4421 enabled libfreetype && require_libfreetype
4422 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4423 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4424 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4425 done || die "ERROR: libgsm not found"; }
4426 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4427 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4428 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4429 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4430 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4431 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4432 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4433 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4434 check_lib openjpeg.h opj_version -lopenjpeg ||
4435 die "ERROR: libopenjpeg not found"; }
4436 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4437 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4438 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4439 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4440 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4441 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4442 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4443 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4444 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4445 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4446 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4447 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4448 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4449 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4450 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4451 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4452 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4453 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4454 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4455 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4456 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4457 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4459 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4460 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4461 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 ||
4462 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4463 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4464 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; } }
4465 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4466 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4467 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4468 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4469 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4470 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4471 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4472 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4473 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4474 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4475 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4476 die "ERROR: openal not found"; } &&
4477 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4478 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4479 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4480 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4481 die "ERROR: opencl not found"; } &&
4482 { ! enabled_any w32threads os2threads ||
4483 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4484 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4485 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4486 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4487 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4488 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4489 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4490 die "ERROR: openssl not found"; }
4492 if enabled gnutls; then
4493 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4494 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4498 if enabled libdc1394; then
4499 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4500 enable libdc1394_2; } ||
4501 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4502 enable libdc1394_1; } ||
4503 die "ERROR: No version of libdc1394 found "
4506 SDL_CONFIG="${cross_prefix}sdl-config"
4507 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4508 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4509 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4512 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4513 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4514 sdl_libs=$("${SDL_CONFIG}" --libs)
4515 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4516 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4517 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4521 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4523 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4524 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4525 perl -v > /dev/null 2>&1 && enable perl || disable perl
4526 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4527 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4529 check_header linux/fb.h
4530 check_header linux/videodev.h
4531 check_header linux/videodev2.h
4532 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4534 check_header sys/videoio.h
4536 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4537 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4538 # w32api 3.12 had it defined wrong
4539 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4541 check_type "dshow.h" IBaseFilter
4543 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4544 { check_header dev/bktr/ioctl_meteor.h &&
4545 check_header dev/bktr/ioctl_bt848.h; } ||
4546 { check_header machine/ioctl_meteor.h &&
4547 check_header machine/ioctl_bt848.h; } ||
4548 { check_header dev/video/meteor/ioctl_meteor.h &&
4549 check_header dev/video/bktr/ioctl_bt848.h; } ||
4550 check_header dev/ic/bt8xx.h
4552 check_header sndio.h
4553 if check_struct sys/soundcard.h audio_buf_info bytes; then
4554 enable_safe sys/soundcard.h
4556 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4557 #include <sys/soundcard.h>
4561 check_header soundcard.h
4563 enabled_any alsa_indev alsa_outdev &&
4564 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4566 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4567 check_func jack_port_get_latency_range -ljack
4569 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4571 if enabled libcdio; then
4572 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4573 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4574 die "ERROR: libcdio-paranoia not found"
4577 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4580 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4581 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4582 { enabled xlib || die "ERROR: Xlib not found"; }
4585 check_lib va/va.h vaInitialize -lva ||
4589 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4592 enabled vdpau && enabled xlib &&
4593 check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4596 # Funny iconv installations are not unusual, so check it after all flags have been set
4597 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4599 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4601 # add some useful compiler flags if supported
4602 check_cflags -Wdeclaration-after-statement
4604 check_cflags -Wdisabled-optimization
4605 check_cflags -Wpointer-arith
4606 check_cflags -Wredundant-decls
4607 check_cflags -Wwrite-strings
4608 check_cflags -Wtype-limits
4609 check_cflags -Wundef
4610 check_cflags -Wmissing-prototypes
4611 check_cflags -Wno-pointer-to-int-cast
4612 check_cflags -Wstrict-prototypes
4613 enabled extra_warnings && check_cflags -Winline
4615 check_disable_warning(){
4616 warning_flag=-W${1#-Wno-}
4617 test_cflags $warning_flag && add_cflags $1
4620 check_disable_warning -Wno-parentheses
4621 check_disable_warning -Wno-switch
4622 check_disable_warning -Wno-format-zero-length
4623 check_disable_warning -Wno-pointer-sign
4625 # add some linker flags
4626 check_ldflags -Wl,--warn-common
4627 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4628 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4629 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4631 # add some strip flags
4632 # -wN '..@*' is more selective than -x, but not available everywhere.
4633 check_stripflags -wN \'..@*\' || check_stripflags -x
4635 enabled neon_clobber_test &&
4636 check_ldflags -Wl,--wrap,avcodec_open2 \
4637 -Wl,--wrap,avcodec_decode_audio4 \
4638 -Wl,--wrap,avcodec_decode_video2 \
4639 -Wl,--wrap,avcodec_decode_subtitle2 \
4640 -Wl,--wrap,avcodec_encode_audio2 \
4641 -Wl,--wrap,avcodec_encode_video2 \
4642 -Wl,--wrap,avcodec_encode_subtitle ||
4643 disable neon_clobber_test
4645 enabled xmm_clobber_test &&
4646 check_ldflags -Wl,--wrap,avcodec_open2 \
4647 -Wl,--wrap,avcodec_decode_audio4 \
4648 -Wl,--wrap,avcodec_decode_video2 \
4649 -Wl,--wrap,avcodec_decode_subtitle2 \
4650 -Wl,--wrap,avcodec_encode_audio2 \
4651 -Wl,--wrap,avcodec_encode_video \
4652 -Wl,--wrap,avcodec_encode_video2 \
4653 -Wl,--wrap,avcodec_encode_subtitle \
4654 -Wl,--wrap,sws_scale ||
4655 disable xmm_clobber_test
4658 if test_ldflags -Wl,--version-script,$TMPV; then
4659 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4660 check_cc <<EOF && enable symver_asm_label
4661 void ff_foo(void) __asm__ ("av_foo@VERSION");
4662 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4664 check_cc <<EOF && enable symver_gnu_asm
4665 __asm__(".symver ff_foo,av_foo@VERSION");
4666 void ff_foo(void) {}
4670 if [ -z "$optflags" ]; then
4671 if enabled small; then
4672 optflags=$cflags_size
4673 elif enabled optimizations; then
4674 optflags=$cflags_speed
4676 optflags=$cflags_noopt
4682 enabled lto && check_ldflags "$@"
4686 if enabled lto; then
4687 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4689 check_ldflags -flto $cpuflags
4692 check_optflags $optflags
4693 check_optflags -fno-math-errno
4694 check_optflags -fno-signed-zeros
4696 enabled ftrapv && check_cflags -ftrapv
4698 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4703 if enabled icc; then
4704 # Just warnings, no remarks
4706 # -wd: Disable following warnings
4707 # 144, 167, 556: -Wno-pointer-sign
4708 # 188: enumerated type mixed with another type
4709 # 1292: attribute "foo" ignored
4710 # 1419: external declaration in primary source file
4711 # 10006: ignoring unknown option -fno-signed-zeros
4712 # 10148: ignoring unknown option -Wno-parentheses
4713 # 10156: ignoring option '-W'; no argument required
4714 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4715 # 11030: Warning unknown option --as-needed
4716 # 10156: ignoring option '-export'; no argument required
4717 check_ldflags -wd10156,11030
4718 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4719 enable ebp_available
4720 if enabled x86_32; then
4721 icc_version=$($cc -dumpversion)
4722 test ${icc_version%%.*} -ge 11 &&
4723 check_cflags -falign-stack=maintain-16-byte ||
4724 disable aligned_stack
4726 elif enabled ccc; then
4727 # disable some annoying warnings
4728 add_cflags -msg_disable bitnotint
4729 add_cflags -msg_disable mixfuncvoid
4730 add_cflags -msg_disable nonstandcast
4731 add_cflags -msg_disable unsupieee
4732 elif enabled gcc; then
4733 check_optflags -fno-tree-vectorize
4734 check_cflags -Werror=implicit-function-declaration
4735 check_cflags -Werror=missing-prototypes
4736 check_cflags -Werror=return-type
4737 check_cflags -Werror=vla
4738 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4739 elif enabled llvm_gcc; then
4740 check_cflags -mllvm -stack-alignment=16
4741 elif enabled clang; then
4742 check_cflags -mllvm -stack-alignment=16
4743 check_cflags -Qunused-arguments
4744 check_cflags -Werror=implicit-function-declaration
4745 check_cflags -Werror=missing-prototypes
4746 check_cflags -Werror=return-type
4747 elif enabled cparser; then
4748 add_cflags -Wno-missing-variable-declarations
4749 add_cflags -Wno-empty-statement
4750 elif enabled armcc; then
4751 # 2523: use of inline assembler is deprecated
4752 add_cflags -W${armcc_opt},--diag_suppress=2523
4753 add_cflags -W${armcc_opt},--diag_suppress=1207
4754 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4755 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4756 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4757 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4758 elif enabled tms470; then
4759 add_cflags -pds=824 -pds=837
4761 elif enabled pathscale; then
4762 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4763 elif enabled_any msvc icl; then
4764 enabled x86_32 && disable aligned_stack
4765 enabled_all x86_32 debug && add_cflags -Oy-
4766 enabled debug && add_ldflags -debug
4767 enable pragma_deprecated
4768 if enabled icl; then
4769 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4770 # (correctly) on icl 13.x.
4771 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4772 add_cflags -Qansi-alias
4773 # icl will pass the inline asm tests but inline asm is currently
4774 # not supported (build will fail)
4775 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4782 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4785 add_cppflags -Dmain=plan9_main
4789 enable frame_thread_encoder
4791 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4793 check_deps $CONFIG_LIST \
4798 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"
4801 if test $target_os = "haiku"; then
4803 disable posix_memalign
4806 ! enabled_any memalign posix_memalign aligned_malloc &&
4807 enabled_any $need_memalign && enable memalign_hack
4810 # -> enable ${lib}_deps_${dep}
4811 # -> add $dep to ${lib}_deps only once
4815 enabled "${lib}_deps_${dep}" && return 0
4816 enable "${lib}_deps_${dep}"
4817 prepend "${lib}_deps" $dep
4820 # merge deps lib components
4821 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4826 enabled $comp || continue
4827 eval "dep=\"\$${comp}_deps\""
4834 merge_deps libavfilter $FILTER_LIST
4836 echo "install prefix $prefix"
4837 echo "source path $source_path"
4838 echo "C compiler $cc"
4839 echo "C library $libc_type"
4840 if test "$host_cc" != "$cc"; then
4841 echo "host C compiler $host_cc"
4842 echo "host C library $host_libc_type"
4844 echo "ARCH $arch ($cpu)"
4845 if test "$build_suffix" != ""; then
4846 echo "build suffix $build_suffix"
4848 if test "$progs_suffix" != ""; then
4849 echo "progs suffix $progs_suffix"
4851 if test "$extra_version" != ""; then
4852 echo "version string suffix $extra_version"
4854 echo "big-endian ${bigendian-no}"
4855 echo "runtime cpu detection ${runtime_cpudetect-no}"
4856 if enabled x86; then
4857 echo "${yasmexe} ${yasm-no}"
4858 echo "MMX enabled ${mmx-no}"
4859 echo "MMXEXT enabled ${mmxext-no}"
4860 echo "3DNow! enabled ${amd3dnow-no}"
4861 echo "3DNow! extended enabled ${amd3dnowext-no}"
4862 echo "SSE enabled ${sse-no}"
4863 echo "SSSE3 enabled ${ssse3-no}"
4864 echo "AVX enabled ${avx-no}"
4865 echo "FMA4 enabled ${fma4-no}"
4866 echo "i686 features enabled ${i686-no}"
4867 echo "CMOV is fast ${fast_cmov-no}"
4868 echo "EBX available ${ebx_available-no}"
4869 echo "EBP available ${ebp_available-no}"
4871 if enabled arm; then
4872 echo "ARMv5TE enabled ${armv5te-no}"
4873 echo "ARMv6 enabled ${armv6-no}"
4874 echo "ARMv6T2 enabled ${armv6t2-no}"
4875 echo "VFP enabled ${vfp-no}"
4876 echo "NEON enabled ${neon-no}"
4877 echo "THUMB enabled ${thumb-no}"
4879 if enabled mips; then
4880 echo "MIPS FPU enabled ${mipsfpu-no}"
4881 echo "MIPS32R2 enabled ${mips32r2-no}"
4882 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4883 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4885 if enabled ppc; then
4886 echo "AltiVec enabled ${altivec-no}"
4887 echo "PPC 4xx optimizations ${ppc4xx-no}"
4888 echo "dcbzl available ${dcbzl-no}"
4890 if enabled sparc; then
4891 echo "VIS enabled ${vis-no}"
4893 echo "debug symbols ${debug-no}"
4894 echo "strip symbols ${stripping-no}"
4895 echo "optimize for size ${small-no}"
4896 echo "optimizations ${optimizations-no}"
4897 echo "static ${static-no}"
4898 echo "shared ${shared-no}"
4899 echo "postprocessing support ${postproc-no}"
4900 echo "new filter support ${avfilter-no}"
4901 echo "network support ${network-no}"
4902 echo "threading support ${thread_type-no}"
4903 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4904 echo "SDL support ${sdl-no}"
4905 echo "opencl enabled ${opencl-no}"
4906 echo "libzvbi enabled ${libzvbi-no}"
4907 echo "texi2html enabled ${texi2html-no}"
4908 echo "perl enabled ${perl-no}"
4909 echo "pod2man enabled ${pod2man-no}"
4910 echo "makeinfo enabled ${makeinfo-no}"
4911 test -n "$random_seed" &&
4912 echo "random seed ${random_seed}"
4915 echo "External libraries:"
4916 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4919 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4920 echo "Enabled ${type}s:"
4921 eval list=\$$(toupper $type)_LIST
4922 print_enabled '_*' $list | print_3_columns
4926 license="LGPL version 2.1 or later"
4927 if enabled nonfree; then
4928 license="nonfree and unredistributable"
4929 elif enabled gplv3; then
4930 license="GPL version 3 or later"
4931 elif enabled lgplv3; then
4932 license="LGPL version 3 or later"
4933 elif enabled gpl; then
4934 license="GPL version 2 or later"
4937 echo "License: $license"
4939 echo "Creating config.mak, config.h, and doc/config.texi..."
4941 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4943 enabled stripping || strip="echo skipping strip"
4945 config_files="$TMPH config.mak doc/config.texi"
4947 cat > config.mak <<EOF
4948 # Automatically generated by configure - do not modify!
4949 ifndef FFMPEG_CONFIG_MAK
4951 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4953 LIBDIR=\$(DESTDIR)$libdir
4954 SHLIBDIR=\$(DESTDIR)$shlibdir
4955 INCDIR=\$(DESTDIR)$incdir
4956 BINDIR=\$(DESTDIR)$bindir
4957 DATADIR=\$(DESTDIR)$datadir
4958 DOCDIR=\$(DESTDIR)$docdir
4959 MANDIR=\$(DESTDIR)$mandir
4960 SRC_PATH=$source_path
4961 ifndef MAIN_MAKEFILE
4962 SRC_PATH:=\$(SRC_PATH:.%=..%)
4971 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4973 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5001 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5002 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5003 YASMFLAGS=$YASMFLAGS
5004 BUILDSUF=$build_suffix
5005 PROGSSUF=$progs_suffix
5013 EXTRA_VERSION=$extra_version
5016 CCDEP_FLAGS=$CCDEP_FLAGS
5018 ASDEP_FLAGS=$ASDEP_FLAGS
5019 CC_DEPFLAGS=$CC_DEPFLAGS
5020 AS_DEPFLAGS=$AS_DEPFLAGS
5023 HOSTCFLAGS=$host_cflags
5024 HOSTCPPFLAGS=$host_cppflags
5025 HOSTEXESUF=$HOSTEXESUF
5026 HOSTLDFLAGS=$host_ldflags
5029 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5030 HOSTCCDEP=$HOSTCCDEP
5031 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5032 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5036 TARGET_EXEC=$target_exec $target_exec_args
5037 TARGET_PATH=$target_path
5038 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5039 LIBS-ffplay=$sdl_libs
5040 CFLAGS-ffplay=$sdl_cflags
5041 ZLIB=$($ldflags_filter -lz)
5042 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5043 EXTRALIBS=$extralibs
5044 COMPAT_OBJS=$compat_objs
5047 LIBTARGET=${LIBTARGET}
5048 SLIBNAME=${SLIBNAME}
5049 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5050 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5051 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5052 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5053 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5054 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5055 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5056 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5057 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5058 NOREDZONE_FLAGS=$noredzone_flags
5063 name=$(toupper $lcname)
5064 file=$source_path/$lcname/version.h
5065 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5066 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5067 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5068 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5069 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5070 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5073 map 'get_version $v' $LIBRARY_LIST
5076 /* Automatically generated by configure - do not modify! */
5077 #ifndef FFMPEG_CONFIG_H
5078 #define FFMPEG_CONFIG_H
5079 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5080 #define FFMPEG_LICENSE "$(c_escape $license)"
5081 #define CONFIG_THIS_YEAR 2014
5082 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5083 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5084 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5085 #define av_restrict $_restrict
5086 #define EXTERN_PREFIX "${extern_prefix}"
5087 #define EXTERN_ASM ${extern_prefix}
5088 #define BUILDSUF "$build_suffix"
5089 #define SLIBSUF "$SLIBSUF"
5090 #define HAVE_MMX2 HAVE_MMXEXT
5093 test -n "$assert_level" &&
5094 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5096 test -n "$malloc_prefix" &&
5097 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5099 if enabled yasm; then
5100 append config_files $TMPASM
5104 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5108 echo "@c auto-generated by configure" > doc/config.texi
5110 print_config ARCH_ "$config_files" $ARCH_LIST
5111 print_config HAVE_ "$config_files" $HAVE_LIST
5112 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5116 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5117 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5119 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5120 cp_if_changed $TMPH config.h
5123 enabled yasm && cp_if_changed $TMPASM config.asm
5126 /* Generated by ffconf */
5127 #ifndef AVUTIL_AVCONFIG_H
5128 #define AVUTIL_AVCONFIG_H
5131 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5133 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5135 cp_if_changed $TMPH libavutil/avconfig.h
5137 if test -n "$WARNINGS"; then
5138 printf "\n$WARNINGS"
5139 enabled fatal_warnings && exit 1
5142 # build pkg-config files
5144 pkgconfig_generate(){
5146 shortname=${name#lib}${build_suffix}
5151 enabled ${name#lib} || return 0
5153 cat <<EOF > $name/$name${build_suffix}.pc
5155 exec_prefix=\${prefix}
5160 Description: $comment
5162 Requires: $(enabled shared || echo $requires)
5163 Requires.private: $(enabled shared && echo $requires)
5165 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5166 Libs.private: $(enabled shared && echo $libs)
5167 Cflags: -I\${includedir}
5170 mkdir -p doc/examples/pc-uninstalled
5171 includedir=${source_path}
5172 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5173 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5176 libdir=\${pcfiledir}/../../../$name
5177 includedir=${includedir}
5180 Description: $comment
5184 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5185 Cflags: -I\${includedir}
5189 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5190 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5191 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5192 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5193 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5194 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5195 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5196 lavfi_libs=${lavfi_libs%, }
5198 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5199 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5201 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5202 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5203 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5204 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5205 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5206 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5207 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5208 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5209 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"