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-libx265 enable HEVC encoding via x265 [no]
248 --enable-libxavs enable AVS encoding via xavs [no]
249 --enable-libxvid enable Xvid encoding via xvidcore,
250 native MPEG-4/Xvid encoder exists [no]
251 --enable-libzmq enable message passing via libzmq [no]
252 --enable-libzvbi enable teletext support via libzvbi [no]
253 --enable-decklink enable Blackmagick DeckLink output [no]
254 --enable-openal enable OpenAL 1.1 capture support [no]
255 --enable-opencl enable OpenCL code
256 --enable-opengl enable OpenGL rendering [no]
257 --enable-openssl enable openssl [no]
258 --enable-x11grab enable X11 grabbing [no]
259 --disable-zlib disable zlib [autodetect]
261 Advanced options (experts only):
262 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
263 --enable-cross-compile assume a cross-compiler is used
264 --sysroot=PATH root of cross-build tree
265 --sysinclude=PATH location of cross-build system headers
266 --target-os=OS compiler targets OS [$target_os]
267 --target-exec=CMD command to run executables on target
268 --target-path=DIR path to view of build directory on target
269 --target-samples=DIR path to samples directory on target
270 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
271 --toolchain=NAME set tool defaults according to NAME
272 --nm=NM use nm tool NM [$nm_default]
273 --ar=AR use archive tool AR [$ar_default]
274 --as=AS use assembler AS [$as_default]
275 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
276 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
277 --cc=CC use C compiler CC [$cc_default]
278 --cxx=CXX use C compiler CXX [$cxx_default]
279 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
280 --ld=LD use linker LD [$ld_default]
281 --host-cc=HOSTCC use host C compiler HOSTCC
282 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
283 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
284 --host-ld=HOSTLD use host linker HOSTLD
285 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
286 --host-libs=HLIBS use libs HLIBS when linking for host
287 --host-os=OS compiler host OS [$target_os]
288 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
289 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
290 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
291 --extra-libs=ELIBS add ELIBS [$ELIBS]
292 --extra-version=STRING version string suffix []
293 --optflags=OPTFLAGS override optimization-related compiler flags
294 --build-suffix=SUFFIX library name suffix []
295 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
296 --progs-suffix=SUFFIX program name suffix []
297 --arch=ARCH select architecture [$arch]
298 --cpu=CPU select the minimum required CPU (affects
299 instruction selection, may crash on older CPUs)
300 --enable-pic build position-independent code
301 --enable-sram allow use of on-chip SRAM
302 --enable-thumb compile for Thumb instruction set
303 --disable-symver disable symbol versioning
304 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
305 --disable-safe-bitstream-reader
306 disable buffer boundary checking in bitreaders
307 (faster, but may crash)
308 --enable-memalign-hack emulate memalign, interferes with memory debuggers
309 --enable-lto use link-time optimization
311 Optimization options (experts only):
312 --disable-asm disable all assembler optimizations
313 --disable-altivec disable AltiVec optimizations
314 --disable-amd3dnow disable 3DNow! optimizations
315 --disable-amd3dnowext disable 3DNow! extended optimizations
316 --disable-mmx disable MMX optimizations
317 --disable-mmxext disable MMXEXT optimizations
318 --disable-sse disable SSE optimizations
319 --disable-sse2 disable SSE2 optimizations
320 --disable-sse3 disable SSE3 optimizations
321 --disable-ssse3 disable SSSE3 optimizations
322 --disable-sse4 disable SSE4 optimizations
323 --disable-sse42 disable SSE4.2 optimizations
324 --disable-avx disable AVX optimizations
325 --disable-xop disable XOP optimizations
326 --disable-fma4 disable FMA4 optimizations
327 --disable-avx2 disable AVX2 optimizations
328 --disable-armv5te disable armv5te optimizations
329 --disable-armv6 disable armv6 optimizations
330 --disable-armv6t2 disable armv6t2 optimizations
331 --disable-vfp disable VFP optimizations
332 --disable-neon disable NEON optimizations
333 --disable-vis disable VIS optimizations
334 --disable-inline-asm disable use of inline assembler
335 --disable-yasm disable use of yasm assembler
336 --disable-mips32r2 disable MIPS32R2 optimizations
337 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
338 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
339 --disable-mipsfpu disable floating point MIPS optimizations
340 --disable-fast-unaligned consider unaligned accesses slow
342 Developer options (useful when working on FFmpeg itself):
343 --disable-debug disable debugging symbols
344 --enable-debug=LEVEL set the debug level [$debuglevel]
345 --disable-optimizations disable compiler optimizations
346 --enable-extra-warnings enable more compiler warnings
347 --disable-stripping disable stripping of executables and shared libraries
348 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
349 2 causes a slowdown at runtime.
350 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
351 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
352 leaks and errors, using the specified valgrind binary.
353 Cannot be combined with --target-exec
354 --enable-ftrapv Trap arithmetic overflows
355 --samples=PATH location of test samples for FATE, if not set use
356 \$FATE_SAMPLES at make invocation time.
357 --enable-neon-clobber-test check NEON registers for clobbering (should be
358 used only for debugging purposes)
359 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
360 should be used only for debugging purposes)
361 --enable-random randomly enable/disable components
363 --enable-random=LIST randomly enable/disable specific components or
364 --disable-random=LIST component groups. LIST is a comma-separated list
365 of NAME[:PROB] entries where NAME is a component
366 (group) and PROB the probability associated with
368 --random-seed=VALUE seed value for --enable/disable-random
370 NOTE: Object files are built at the place where configure is launched.
378 echo "$@" >> $logfile
383 pr -n -t $1 >> $logfile
394 WARNINGS="${WARNINGS}WARNING: $*\n"
401 If you think configure made a mistake, make sure you are using the latest
402 version from Git. If the latest version fails, report the problem to the
403 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
405 if disabled logging; then
407 Rerun configure with logging enabled (do not use --disable-logging), and
408 include the log this produces with your report.
412 Include the log file "$logfile" produced by configure as this will help
419 # Avoid locale weirdness, besides we really just want to translate ASCII.
421 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
425 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
429 echo "$*" | sed 's/["\\]/\\\0/g'
433 v=$(echo "$1" | sed "s/'/'\\\\''/g")
434 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
439 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
446 eval "case $v in $pat) echo $v ;; esac"
454 eval "case $v in $pat) ;; *) echo $v ;; esac"
461 for v; do eval $m; done
467 for v; do echo ${v}${suffix}; done
482 eval : \${$var:=$value}
487 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
493 eval $(sanitize_var_name "$var")='$*'
497 eval echo \$$(sanitize_var_name "$1")
502 eval level=\${${pvar}_level:=0}
503 eval ${pvar}_${level}="\$$pvar"
504 eval ${pvar}_level=$(($level+1))
510 eval level=\${${pvar}_level:-0}
511 test $level = 0 && continue
512 eval level=$(($level-1))
513 eval $pvar="\${${pvar}_${level}}"
514 eval ${pvar}_level=$level
515 eval unset ${pvar}_${level}
537 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
543 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
549 enabled $var && continue
550 eval sel="\$${var}_select"
551 eval sgs="\$${var}_suggest"
555 enable_deep_weak $sgs
567 disabled $var && continue
576 test "${1#!}" = "$1" && op== || op=!=
577 eval test "x\$${1#!}" $op "xyes"
581 test "${1#!}" = "$1" && op== || op=!=
582 eval test "x\$${1#!}" $op "xno"
587 enabled $opt || return 1
593 disabled $opt || return 1
599 enabled $opt && return 0
605 disabled $opt && return 0
612 eval : \${$opt:=\$${opt}_default}
620 [ $var = $value ] && return 0
628 enabled ${cfg}_checking && die "Circular dependency for $cfg."
629 disabled ${cfg}_checking && continue
630 enable ${cfg}_checking
633 eval dep_all="\$${cfg}_deps"
634 eval dep_any="\$${cfg}_deps_any"
635 eval dep_sel="\$${cfg}_select"
636 eval dep_sgs="\$${cfg}_suggest"
637 eval dep_ifa="\$${cfg}_if"
638 eval dep_ifn="\$${cfg}_if_any"
640 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
641 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
642 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
644 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
645 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
646 enabled_all $dep_all || disable $cfg
647 enabled_any $dep_any || disable $cfg
648 disabled_any $dep_sel && disable $cfg
650 if enabled $cfg; then
652 enable_deep_weak $dep_sgs
655 disable ${cfg}_checking
664 for cfg in $allopts; do
665 enabled $cfg || continue
666 eval dep_extralibs="\$${cfg}_extralibs"
667 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
675 map 'eval echo "$v \${$v:-no}"' "$@" |
676 awk "BEGIN { split(\"$files\", files) }
678 c = \"$pfx\" toupper(\$1);
684 if (file ~ /\\.h\$/) {
685 printf(\"#define %s %d\\n\", c, v) >>file;
686 } else if (file ~ /\\.asm\$/) {
687 printf(\"%%define %s %d\\n\", c, v) >>file;
688 } else if (file ~ /\\.mak\$/) {
689 n = -v ? \"\" : \"!\";
690 printf(\"%s%s=yes\\n\", n, c) >>file;
691 } else if (file ~ /\\.texi\$/) {
692 pre = -v ? \"\" : \"@c \";
695 gsub(/_/, \"-\", c2);
696 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
706 enabled $v && printf "%s\n" ${v%$suf};
713 eval "$var=\"\$$var $*\""
719 eval "$var=\"$* \$$var\""
727 append CFLAGS $($cflags_filter "$@")
731 append CXXFLAGS $($cflags_filter "$@")
735 append ASFLAGS $($asflags_filter "$@")
739 append LDFLAGS $($ldflags_filter "$@")
743 append ASMSTRIPFLAGS "$@"
747 prepend extralibs $($ldflags_filter "$@")
751 append host_cppflags "$@"
755 append host_cflags $($host_cflags_filter "$@")
759 append host_ldflags $($host_ldflags_filter "$@")
763 append compat_objs $1
765 map 'add_cppflags -D$v' "$@"
770 "$@" >> $logfile 2>&1
774 eval printf '%s\\n' $CC_O
778 eval printf '%s\\n' $CC_E
785 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
792 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
799 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
803 eval printf '%s\\n' $AS_O
810 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
814 log check_inline_asm "$@"
819 check_cc "$@" <<EOF && enable $name
820 void foo(void){ __asm__ volatile($code); }
826 check_inline_asm ${1}_inline "\"$2\""
827 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
835 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
839 eval printf '%s\\n' $LD_O
846 flags=$(filter_out '-l*|*.so' $@)
847 libs=$(filter '-l*|*.so' $@)
848 check_$type $($cflags_filter $flags) || return
849 flags=$($ldflags_filter $flags)
850 libs=$($ldflags_filter $libs)
851 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
856 test "${hdr%.h}" = "${hdr}" &&
857 echo "#include $hdr" ||
858 echo "#include <$hdr>"
868 for hdr in $headers; do
871 echo "int main(void) { $code; return 0; }"
872 } | check_$check "$@"
876 log check_cppflags "$@"
877 check_cc "$@" <<EOF && append CPPFLAGS "$@"
884 set -- $($cflags_filter "$@")
891 log check_cflags "$@"
892 test_cflags "$@" && add_cflags "$@"
896 log check_cxxflags "$@"
897 set -- $($cflags_filter "$@")
898 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
904 log test_ldflags "$@"
905 check_ld "cc" "$@" <<EOF
906 int main(void){ return 0; }
911 log check_ldflags "$@"
912 test_ldflags "$@" && add_ldflags "$@"
916 log test_stripflags "$@"
917 # call check_cc to get a fresh TMPO
919 int main(void) { return 0; }
921 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
925 log check_stripflags "$@"
926 test_stripflags "$@" && add_stripflags "$@"
930 log check_header "$@"
934 check_cpp "$@" <<EOF && enable_safe $header
945 check_ld "cc" "$@" <<EOF && enable $func
947 int main(void){ $func(); }
952 log check_mathfunc "$@"
956 test $narg = 2 && args="f, g" || args="f"
958 check_ld "cc" "$@" <<EOF && enable $func
960 float foo(float f, float g) { return $func($args); }
961 int main(void){ return (int) foo; }
965 check_func_headers(){
966 log check_func_headers "$@"
971 for hdr in $headers; do
974 for func in $funcs; do
975 echo "long check_$func(void) { return (long) $func; }"
977 echo "int main(void) { return 0; }"
978 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
981 check_class_headers_cpp(){
982 log check_class_headers_cpp "$@"
987 for hdr in $headers; do
988 echo "#include <$hdr>"
990 echo "int main(void) { "
992 for class in $classes; do
997 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1000 check_cpp_condition(){
1001 log check_cpp_condition "$@"
1005 check_cpp "$@" <<EOF
1008 #error "unsatisfied condition: $condition"
1018 check_header $header && check_func $func "$@" && add_extralibs "$@"
1026 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1030 log check_lib_cpp "$@"
1034 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1038 log check_pkg_config "$@"
1044 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1045 pkg_cflags=$($pkg_config --cflags $pkg)
1046 pkg_libs=$($pkg_config --libs $pkg)
1047 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1048 set_safe ${pkg}_cflags $pkg_cflags &&
1049 set_safe ${pkg}_libs $pkg_libs
1053 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1059 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1060 # are safe but may not be available everywhere. Thus we use
1061 # raise(SIGTERM) instead. The check is run in a subshell so we
1062 # can redirect the "Terminated" message from the shell. SIGBUS
1063 # is not defined by standard C so it is used conditionally.
1065 (check_exec "$@") >> $logfile 2>&1 <<EOF
1067 static void sighandler(int sig){
1073 int (*func_ptr)(void) = foo;
1075 signal(SIGILL, sighandler);
1076 signal(SIGFPE, sighandler);
1077 signal(SIGSEGV, sighandler);
1079 signal(SIGBUS, sighandler);
1091 disable_safe "$type"
1092 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1096 log check_struct "$@"
1101 disable_safe "${struct}_${member}"
1102 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1103 enable_safe "${struct}_${member}"
1107 log check_builtin "$@"
1113 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1121 check_lib $header $func "$@" || die "ERROR: $name not found"
1129 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1137 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1140 require_pkg_config(){
1142 check_pkg_config "$@" || die "ERROR: $pkg not found"
1143 add_cflags $(get_safe ${pkg}_cflags)
1144 add_extralibs $(get_safe ${pkg}_libs)
1147 require_libfreetype(){
1148 log require_libfreetype "$@"
1150 check_cmd $pkg_config --exists --print-errors $pkg \
1151 || die "ERROR: $pkg not found"
1152 pkg_cflags=$($pkg_config --cflags $pkg)
1153 pkg_libs=$($pkg_config --libs $pkg)
1155 echo "#include <ft2build.h>"
1156 echo "#include FT_FREETYPE_H"
1157 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1158 echo "int main(void) { return 0; }"
1159 } | check_ld "cc" $pkg_cflags $pkg_libs \
1160 && set_safe ${pkg}_cflags $pkg_cflags \
1161 && set_safe ${pkg}_libs $pkg_libs \
1162 || die "ERROR: $pkg not found"
1163 add_cflags $(get_safe ${pkg}_cflags)
1164 add_extralibs $(get_safe ${pkg}_libs)
1168 eval printf '%s\\n' $HOSTCC_E
1172 eval printf '%s\\n' $HOSTCC_O
1176 log check_host_cc "$@"
1179 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1183 log check_host_cpp "$@"
1186 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1189 check_host_cppflags(){
1190 log check_host_cppflags "$@"
1191 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1196 check_host_cflags(){
1197 log check_host_cflags "$@"
1198 set -- $($host_cflags_filter "$@")
1199 check_host_cc "$@" <<EOF && append host_cflags "$@"
1204 check_host_cpp_condition(){
1205 log check_host_cpp_condition "$@"
1209 check_host_cpp "$@" <<EOF
1212 #error "unsatisfied condition: $condition"
1220 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1224 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1225 mkdir -p "$(dirname $2)"
1229 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1230 # system-dependent things.
1247 avio_reading_example
1248 decoding_encoding_example
1249 demuxing_decoding_example
1250 filtering_audio_example
1251 filtering_video_example
1255 resampling_audio_example
1256 scaling_video_example
1257 transcode_aac_example
1260 EXTERNAL_LIBRARY_LIST="
1366 $EXTERNAL_LIBRARY_LIST
1379 incompatible_libav_abi
1380 incompatible_fork_abi
1393 safe_bitstream_reader
1491 incompatible_libav_abi
1492 incompatible_fork_abi
1525 $(add_suffix _external $ARCH_EXT_LIST)
1526 $(add_suffix _inline $ARCH_EXT_LIST)
1546 cdio_paranoia_paranoia_h
1554 dev_bktr_ioctl_bt848_h
1555 dev_bktr_ioctl_meteor_h
1557 dev_video_bktr_ioctl_bt848_h
1558 dev_video_meteor_ioctl_meteor_h
1575 GetProcessAffinityMask
1576 GetProcessMemoryInfo
1578 GetSystemTimeAsFileTime
1592 jack_port_get_latency_range
1603 machine_ioctl_bt848_h
1604 machine_ioctl_meteor_h
1616 openjpeg_1_5_openjpeg_h
1630 SetConsoleTextAttribute
1639 struct_group_source_req
1640 struct_ip_mreq_source
1643 struct_rusage_ru_maxrss
1644 struct_sctp_event_subscribe
1646 struct_sockaddr_sa_len
1647 struct_sockaddr_storage
1648 struct_stat_st_mtim_tv_nsec
1649 struct_v4l2_frmivalenum_discrete
1652 sync_val_compare_and_swap
1679 # options emitted with CONFIG_ prefix but not available on the command line
1686 frame_thread_encoder
1791 # code dependency declarations
1793 # architecture extensions
1798 neon_deps_any="aarch64 arm"
1799 vfp_deps_any="aarch64 arm"
1802 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1805 mips32r2_deps="mips"
1806 mipsdspr1_deps="mips"
1807 mipsdspr2_deps="mips"
1815 x86_64_select="i686"
1816 x86_64_suggest="fast_cmov"
1819 amd3dnowext_deps="amd3dnow"
1834 mmx_external_deps="yasm"
1835 mmx_inline_deps="inline_asm"
1836 mmx_suggest="mmx_external mmx_inline"
1838 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1839 eval dep=\$${ext}_deps
1840 eval ${ext}_external_deps='"${dep}_external"'
1841 eval ${ext}_inline_deps='"${dep}_inline"'
1842 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1845 aligned_stack_if_any="aarch64 ppc x86"
1846 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1847 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1848 fast_unaligned_if_any="aarch64 ppc x86"
1850 need_memalign="altivec neon sse"
1852 # system capabilities
1853 log2_deps="!libc_msvcrt"
1855 symver_if_any="symver_asm_label symver_gnu_asm"
1858 atomics_gcc_if="sync_val_compare_and_swap"
1859 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1860 atomics_win32_if="MemoryBarrier"
1861 atomics_native_if_any="$ATOMICS_LIST"
1862 threads_if_any="$THREADS_LIST"
1866 error_resilience_select="dsputil"
1867 frame_thread_encoder_deps="encoders threads"
1868 lpc_select="dsputil"
1871 mpegaudio_select="mpegaudiodsp"
1872 mpegaudiodsp_select="dct"
1873 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1874 mpegvideoenc_select="mpegvideo"
1876 # decoders / encoders
1877 aac_decoder_select="mdct sinewin"
1878 aac_encoder_select="audio_frame_queue mdct sinewin"
1879 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1880 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1881 ac3_encoder_select="mdct ac3dsp dsputil"
1882 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1883 aic_decoder_select="dsputil golomb"
1884 alac_encoder_select="lpc"
1885 als_decoder_select="dsputil"
1886 amrnb_decoder_select="lsp"
1887 amrwb_decoder_select="lsp"
1888 amv_decoder_select="dsputil hpeldsp exif"
1889 amv_encoder_select="aandcttables"
1890 ape_decoder_select="dsputil"
1891 asv1_decoder_select="dsputil"
1892 asv1_encoder_select="dsputil"
1893 asv2_decoder_select="dsputil"
1894 asv2_encoder_select="dsputil"
1895 atrac1_decoder_select="mdct sinewin"
1896 atrac3_decoder_select="mdct"
1897 atrac3p_decoder_select="mdct sinewin"
1898 avrn_decoder_select="exif"
1899 bink_decoder_select="dsputil hpeldsp"
1900 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1901 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1902 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1903 cllc_decoder_select="dsputil"
1904 comfortnoise_encoder_select="lpc"
1905 cook_decoder_select="dsputil mdct sinewin"
1906 cscd_decoder_select="lzo"
1907 cscd_decoder_suggest="zlib"
1908 dca_decoder_select="mdct"
1909 dirac_decoder_select="dsputil dwt golomb videodsp"
1910 dnxhd_decoder_select="dsputil"
1911 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1912 dvvideo_decoder_select="dsputil"
1913 dvvideo_encoder_select="dsputil"
1914 dxa_decoder_select="zlib"
1915 eac3_decoder_select="ac3_decoder"
1916 eac3_encoder_select="ac3_encoder"
1917 eamad_decoder_select="aandcttables dsputil mpegvideo"
1918 eatgq_decoder_select="aandcttables"
1919 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1920 exr_decoder_select="zlib"
1921 ffv1_decoder_select="dsputil golomb rangecoder"
1922 ffv1_encoder_select="dsputil rangecoder"
1923 ffvhuff_decoder_select="dsputil llviddsp"
1924 ffvhuff_encoder_select="dsputil huffman llviddsp"
1925 fic_decoder_select="dsputil golomb"
1926 flac_decoder_select="golomb"
1927 flac_encoder_select="dsputil golomb lpc"
1928 flashsv_decoder_select="zlib"
1929 flashsv_encoder_select="zlib"
1930 flashsv2_encoder_select="zlib"
1931 flashsv2_decoder_select="zlib"
1932 flv_decoder_select="h263_decoder"
1933 flv_encoder_select="h263_encoder"
1934 fourxm_decoder_select="dsputil"
1935 fraps_decoder_select="dsputil huffman"
1936 g2m_decoder_select="dsputil zlib"
1937 g729_decoder_select="dsputil"
1938 h261_decoder_select="error_resilience mpegvideo"
1939 h261_encoder_select="aandcttables mpegvideoenc"
1940 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1941 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1942 h263i_decoder_select="h263_decoder"
1943 h263p_encoder_select="h263_encoder"
1944 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1945 h264_decoder_suggest="error_resilience"
1946 hevc_decoder_select="dsputil golomb videodsp"
1947 huffyuv_decoder_select="dsputil llviddsp"
1948 huffyuv_encoder_select="dsputil huffman llviddsp"
1949 iac_decoder_select="dsputil fft mdct sinewin"
1950 imc_decoder_select="dsputil fft mdct sinewin"
1951 indeo3_decoder_select="hpeldsp"
1952 interplay_video_decoder_select="hpeldsp"
1953 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1954 jpegls_encoder_select="golomb"
1955 jv_decoder_select="dsputil"
1956 lagarith_decoder_select="dsputil"
1957 ljpeg_encoder_select="aandcttables mpegvideoenc"
1958 loco_decoder_select="golomb"
1959 mdec_decoder_select="dsputil error_resilience mpegvideo"
1960 metasound_decoder_select="lsp mdct sinewin"
1961 mimic_decoder_select="dsputil hpeldsp"
1962 mjpeg_decoder_select="dsputil hpeldsp exif"
1963 mjpegb_decoder_select="dsputil hpeldsp exif"
1964 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1965 mlp_decoder_select="dsputil mlp_parser"
1966 motionpixels_decoder_select="dsputil"
1967 mp1_decoder_select="mpegaudio"
1968 mp1float_decoder_select="mpegaudio"
1969 mp2_decoder_select="mpegaudio"
1970 mp2float_decoder_select="mpegaudio"
1971 mp3_decoder_select="mpegaudio"
1972 mp3adu_decoder_select="mpegaudio"
1973 mp3adufloat_decoder_select="mpegaudio"
1974 mp3float_decoder_select="mpegaudio"
1975 mp3on4_decoder_select="mpegaudio"
1976 mp3on4float_decoder_select="mpegaudio"
1977 mpc7_decoder_select="dsputil mpegaudiodsp"
1978 mpc8_decoder_select="dsputil mpegaudiodsp"
1979 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1980 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1981 mpeg1video_decoder_select="error_resilience mpegvideo"
1982 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
1983 mpeg2video_decoder_select="error_resilience mpegvideo"
1984 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
1985 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1986 mpeg4_encoder_select="h263_encoder"
1987 msmpeg4v1_decoder_select="h263_decoder"
1988 msmpeg4v2_decoder_select="h263_decoder"
1989 msmpeg4v2_encoder_select="h263_encoder"
1990 msmpeg4v3_decoder_select="h263_decoder"
1991 msmpeg4v3_encoder_select="h263_encoder"
1992 mss2_decoder_select="error_resilience vc1_decoder"
1993 mxpeg_decoder_select="dsputil hpeldsp exif"
1994 nellymoser_decoder_select="mdct sinewin"
1995 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1996 nuv_decoder_select="dsputil lzo"
1997 png_decoder_select="zlib"
1998 png_encoder_select="dsputil zlib"
1999 prores_decoder_select="dsputil"
2000 prores_encoder_select="dsputil"
2001 qcelp_decoder_select="lsp"
2002 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2003 ra_144_encoder_select="audio_frame_queue lpc"
2004 ralf_decoder_select="golomb"
2005 rtjpeg_decoder_select="dsputil"
2006 rv10_decoder_select="error_resilience h263_decoder h263dsp"
2007 rv10_encoder_select="h263_encoder"
2008 rv20_decoder_select="error_resilience h263_decoder h263dsp"
2009 rv20_encoder_select="h263_encoder"
2010 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2011 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2012 shorten_decoder_select="golomb"
2013 sipr_decoder_select="lsp"
2014 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2015 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2016 sonic_decoder_select="golomb rangecoder"
2017 sonic_encoder_select="golomb rangecoder"
2018 sonic_ls_encoder_select="golomb"
2019 sp5x_decoder_select="dsputil hpeldsp exif"
2020 svq1_decoder_select="hpeldsp"
2021 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2022 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
2023 svq3_decoder_suggest="error_resilience zlib"
2024 tak_decoder_select="dsputil"
2025 theora_decoder_select="vp3_decoder"
2026 tiff_decoder_suggest="zlib"
2027 tiff_encoder_suggest="zlib"
2028 thp_decoder_select="dsputil hpeldsp exif"
2029 truehd_decoder_select="mlp_parser"
2030 truemotion2_decoder_select="dsputil"
2031 truespeech_decoder_select="dsputil"
2032 tscc_decoder_select="zlib"
2033 twinvq_decoder_select="mdct lsp sinewin"
2034 utvideo_decoder_select="dsputil"
2035 utvideo_encoder_select="dsputil huffman"
2036 vble_decoder_select="dsputil"
2037 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
2038 vc1image_decoder_select="vc1_decoder"
2039 vorbis_decoder_select="mdct"
2040 vorbis_encoder_select="mdct"
2041 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2042 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2043 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2044 vp6a_decoder_select="vp6_decoder"
2045 vp6f_decoder_select="vp6_decoder"
2046 vp8_decoder_select="h264pred videodsp"
2047 vp9_decoder_select="videodsp"
2048 webp_decoder_select="vp8_decoder"
2049 wmapro_decoder_select="mdct sinewin"
2050 wmav1_decoder_select="mdct sinewin"
2051 wmav1_encoder_select="mdct sinewin"
2052 wmav2_decoder_select="mdct sinewin"
2053 wmav2_encoder_select="mdct sinewin"
2054 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2055 wmv1_decoder_select="h263_decoder"
2056 wmv1_encoder_select="h263_encoder"
2057 wmv2_decoder_select="h263_decoder intrax8 videodsp"
2058 wmv2_encoder_select="h263_encoder"
2059 wmv3_decoder_select="vc1_decoder"
2060 wmv3image_decoder_select="wmv3_decoder"
2061 zerocodec_decoder_select="zlib"
2062 zlib_decoder_select="zlib"
2063 zlib_encoder_select="zlib"
2064 zmbv_decoder_select="zlib"
2065 zmbv_encoder_select="zlib"
2067 # hardware accelerators
2068 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2069 dxva2_deps="dxva2api_h"
2070 vaapi_deps="va_va_h"
2071 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2072 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2073 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2074 xvmc_deps="X11_extensions_XvMClib_h"
2076 h263_vaapi_hwaccel_deps="vaapi"
2077 h263_vaapi_hwaccel_select="h263_decoder"
2078 h263_vdpau_hwaccel_deps="vdpau"
2079 h263_vdpau_hwaccel_select="h263_decoder"
2080 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2081 h264_dxva2_hwaccel_deps="dxva2"
2082 h264_dxva2_hwaccel_select="h264_decoder"
2083 h264_vaapi_hwaccel_deps="vaapi"
2084 h264_vaapi_hwaccel_select="h264_decoder"
2085 h264_vda_decoder_deps="vda"
2086 h264_vda_decoder_select="h264_decoder"
2087 h264_vda_hwaccel_deps="vda"
2088 h264_vda_hwaccel_select="h264_decoder"
2089 h264_vdpau_decoder_deps="vdpau"
2090 h264_vdpau_decoder_select="h264_decoder"
2091 h264_vdpau_hwaccel_deps="vdpau"
2092 h264_vdpau_hwaccel_select="h264_decoder"
2093 mpeg_vdpau_decoder_deps="vdpau"
2094 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2095 mpeg_xvmc_hwaccel_deps="xvmc"
2096 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2097 mpeg1_vdpau_decoder_deps="vdpau"
2098 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2099 mpeg1_vdpau_hwaccel_deps="vdpau"
2100 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2101 mpeg1_xvmc_hwaccel_deps="xvmc"
2102 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2103 mpeg2_crystalhd_decoder_select="crystalhd"
2104 mpeg2_dxva2_hwaccel_deps="dxva2"
2105 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2106 mpeg2_vaapi_hwaccel_deps="vaapi"
2107 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2108 mpeg2_vdpau_hwaccel_deps="vdpau"
2109 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2110 mpeg2_xvmc_hwaccel_deps="xvmc"
2111 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2112 mpeg4_crystalhd_decoder_select="crystalhd"
2113 mpeg4_vaapi_hwaccel_deps="vaapi"
2114 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2115 mpeg4_vdpau_decoder_deps="vdpau"
2116 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2117 mpeg4_vdpau_hwaccel_deps="vdpau"
2118 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2119 msmpeg4_crystalhd_decoder_select="crystalhd"
2120 vc1_crystalhd_decoder_select="crystalhd"
2121 vc1_dxva2_hwaccel_deps="dxva2"
2122 vc1_dxva2_hwaccel_select="vc1_decoder"
2123 vc1_vaapi_hwaccel_deps="vaapi"
2124 vc1_vaapi_hwaccel_select="vc1_decoder"
2125 vc1_vdpau_decoder_deps="vdpau"
2126 vc1_vdpau_decoder_select="vc1_decoder"
2127 vc1_vdpau_hwaccel_deps="vdpau"
2128 vc1_vdpau_hwaccel_select="vc1_decoder"
2129 wmv3_crystalhd_decoder_select="crystalhd"
2130 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2131 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2132 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2133 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2136 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2137 hevc_parser_select="hevc_decoder"
2138 mpeg4video_parser_select="error_resilience mpegvideo"
2139 mpegvideo_parser_select="error_resilience mpegvideo"
2140 vc1_parser_select="mpegvideo"
2142 # external libraries
2143 libaacplus_encoder_deps="libaacplus"
2144 libcelt_decoder_deps="libcelt"
2145 libfaac_encoder_deps="libfaac"
2146 libfaac_encoder_select="audio_frame_queue"
2147 libfdk_aac_decoder_deps="libfdk_aac"
2148 libfdk_aac_encoder_deps="libfdk_aac"
2149 libfdk_aac_encoder_select="audio_frame_queue"
2150 libgme_demuxer_deps="libgme"
2151 libgsm_decoder_deps="libgsm"
2152 libgsm_encoder_deps="libgsm"
2153 libgsm_ms_decoder_deps="libgsm"
2154 libgsm_ms_encoder_deps="libgsm"
2155 libilbc_decoder_deps="libilbc"
2156 libilbc_encoder_deps="libilbc"
2157 libmodplug_demuxer_deps="libmodplug"
2158 libmp3lame_encoder_deps="libmp3lame"
2159 libmp3lame_encoder_select="audio_frame_queue"
2160 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2161 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2162 libopencore_amrnb_encoder_select="audio_frame_queue"
2163 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2164 libopenjpeg_decoder_deps="libopenjpeg"
2165 libopenjpeg_encoder_deps="libopenjpeg"
2166 libopus_decoder_deps="libopus"
2167 libopus_encoder_deps="libopus"
2168 libopus_encoder_select="audio_frame_queue"
2169 libquvi_demuxer_deps="libquvi"
2170 libschroedinger_decoder_deps="libschroedinger"
2171 libschroedinger_encoder_deps="libschroedinger"
2172 libshine_encoder_deps="libshine"
2173 libshine_encoder_select="audio_frame_queue"
2174 libspeex_decoder_deps="libspeex"
2175 libspeex_encoder_deps="libspeex"
2176 libspeex_encoder_select="audio_frame_queue"
2177 libstagefright_h264_decoder_deps="libstagefright_h264"
2178 libtheora_encoder_deps="libtheora"
2179 libtwolame_encoder_deps="libtwolame"
2180 libvo_aacenc_encoder_deps="libvo_aacenc"
2181 libvo_aacenc_encoder_select="audio_frame_queue"
2182 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2183 libvorbis_decoder_deps="libvorbis"
2184 libvorbis_encoder_deps="libvorbis"
2185 libvorbis_encoder_select="audio_frame_queue"
2186 libvpx_vp8_decoder_deps="libvpx"
2187 libvpx_vp8_encoder_deps="libvpx"
2188 libvpx_vp9_decoder_deps="libvpx"
2189 libvpx_vp9_encoder_deps="libvpx"
2190 libwavpack_encoder_deps="libwavpack"
2191 libwebp_encoder_deps="libwebp"
2192 libx264_encoder_deps="libx264"
2193 libx264rgb_encoder_deps="libx264"
2194 libx265_encoder_deps="libx265"
2195 libxavs_encoder_deps="libxavs"
2196 libxvid_encoder_deps="libxvid"
2197 libutvideo_decoder_deps="libutvideo"
2198 libutvideo_encoder_deps="libutvideo"
2199 libzvbi_teletext_decoder_deps="libzvbi"
2202 ac3_demuxer_select="ac3_parser"
2203 asf_demuxer_select="riffdec"
2204 asf_muxer_select="riffenc"
2205 asf_stream_muxer_select="asf_muxer"
2206 avi_demuxer_select="riffdec"
2207 avi_muxer_select="riffenc"
2208 avisynth_demuxer_deps="avisynth"
2209 avisynth_demuxer_select="riffdec"
2210 caf_demuxer_select="riffdec"
2211 dirac_demuxer_select="dirac_parser"
2212 dts_demuxer_select="dca_parser"
2213 dtshd_demuxer_select="dca_parser"
2214 dxa_demuxer_select="riffdec"
2215 eac3_demuxer_select="ac3_parser"
2216 f4v_muxer_select="mov_muxer"
2217 flac_demuxer_select="flac_parser"
2218 hds_muxer_select="flv_muxer"
2219 hls_muxer_select="mpegts_muxer"
2220 ipod_muxer_select="mov_muxer"
2221 ismv_muxer_select="mov_muxer"
2222 libnut_demuxer_deps="libnut"
2223 libnut_muxer_deps="libnut"
2224 matroska_audio_muxer_select="matroska_muxer"
2225 matroska_demuxer_select="riffdec"
2226 matroska_demuxer_suggest="bzlib lzo zlib"
2227 matroska_muxer_select="riffenc"
2228 mmf_muxer_select="riffenc"
2229 mov_demuxer_select="riffdec"
2230 mov_demuxer_suggest="zlib"
2231 mov_muxer_select="riffenc rtpenc_chain"
2232 mp3_demuxer_select="mpegaudio_parser"
2233 mp4_muxer_select="mov_muxer"
2234 mpegts_muxer_select="adts_muxer latm_muxer"
2235 mpegtsraw_demuxer_select="mpegts_demuxer"
2236 mxf_d10_muxer_select="mxf_muxer"
2237 nut_muxer_select="riffenc"
2238 nuv_demuxer_select="riffdec"
2239 ogg_demuxer_select="golomb"
2240 psp_muxer_select="mov_muxer"
2241 rtp_demuxer_select="sdp_demuxer"
2242 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2243 rtsp_demuxer_select="http_protocol rtpdec"
2244 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2245 sap_demuxer_select="sdp_demuxer"
2246 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2247 sdp_demuxer_select="rtpdec"
2248 smoothstreaming_muxer_select="ismv_muxer"
2249 spdif_muxer_select="aac_parser"
2250 tak_demuxer_select="tak_parser"
2251 tg2_muxer_select="mov_muxer"
2252 tgp_muxer_select="mov_muxer"
2253 vobsub_demuxer_select="mpegps_demuxer"
2254 w64_demuxer_select="wav_demuxer"
2255 w64_muxer_select="wav_muxer"
2256 wav_demuxer_select="riffdec"
2257 wav_muxer_select="riffenc"
2258 webm_muxer_select="riffenc"
2259 wtv_demuxer_select="riffdec"
2260 wtv_muxer_select="riffenc"
2261 xmv_demuxer_select="riffdec"
2262 xwma_demuxer_select="riffdec"
2265 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2266 alsa_outdev_deps="alsa_asoundlib_h"
2267 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2268 caca_outdev_deps="libcaca"
2269 decklink_outdev_deps="decklink pthreads"
2270 decklink_outdev_extralibs="-lstdc++"
2271 dshow_indev_deps="IBaseFilter"
2272 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2273 dv1394_indev_deps="dv1394"
2274 dv1394_indev_select="dv_demuxer"
2275 fbdev_indev_deps="linux_fb_h"
2276 fbdev_outdev_deps="linux_fb_h"
2277 iec61883_indev_deps="libiec61883"
2278 jack_indev_deps="jack_jack_h sem_timedwait"
2279 lavfi_indev_deps="avfilter"
2280 libcdio_indev_deps="libcdio"
2281 libdc1394_indev_deps="libdc1394"
2282 libv4l2_indev_deps="libv4l2"
2283 openal_indev_deps="openal"
2284 opengl_outdev_deps="opengl"
2285 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2286 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2287 pulse_indev_deps="libpulse"
2288 pulse_outdev_deps="libpulse"
2289 sdl_outdev_deps="sdl"
2290 sndio_indev_deps="sndio_h"
2291 sndio_outdev_deps="sndio_h"
2292 v4l_indev_deps="linux_videodev_h"
2293 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2294 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2295 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2296 vfwcap_indev_extralibs="-lavicap32"
2297 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2298 xv_outdev_extralibs="-lXv -lX11 -lXext"
2299 x11grab_indev_deps="x11grab"
2302 bluray_protocol_deps="libbluray"
2303 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2304 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2305 ffrtmpcrypt_protocol_select="tcp_protocol"
2306 ffrtmphttp_protocol_deps="!librtmp_protocol"
2307 ffrtmphttp_protocol_select="http_protocol"
2308 ftp_protocol_select="tcp_protocol"
2309 gopher_protocol_select="network"
2310 httpproxy_protocol_select="tcp_protocol"
2311 http_protocol_select="tcp_protocol"
2312 https_protocol_select="tls_protocol"
2313 librtmp_protocol_deps="librtmp"
2314 librtmpe_protocol_deps="librtmp"
2315 librtmps_protocol_deps="librtmp"
2316 librtmpt_protocol_deps="librtmp"
2317 librtmpte_protocol_deps="librtmp"
2318 libssh_protocol_deps="libssh"
2319 mmsh_protocol_select="http_protocol"
2320 mmst_protocol_select="network"
2321 rtmp_protocol_deps="!librtmp_protocol"
2322 rtmp_protocol_select="tcp_protocol"
2323 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2324 rtmps_protocol_deps="!librtmp_protocol"
2325 rtmps_protocol_select="tls_protocol"
2326 rtmpt_protocol_select="ffrtmphttp_protocol"
2327 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2328 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2329 rtp_protocol_select="udp_protocol"
2330 sctp_protocol_deps="struct_sctp_event_subscribe"
2331 sctp_protocol_select="network"
2332 srtp_protocol_select="rtp_protocol"
2333 tcp_protocol_select="network"
2334 tls_protocol_deps_any="openssl gnutls"
2335 tls_protocol_select="tcp_protocol"
2336 udp_protocol_select="network"
2337 unix_protocol_deps="sys_un_h"
2338 unix_protocol_select="network"
2341 aconvert_filter_deps="swresample"
2342 amovie_filter_deps="avcodec avformat"
2343 aresample_filter_deps="swresample"
2344 ass_filter_deps="libass"
2345 asyncts_filter_deps="avresample"
2346 atempo_filter_deps="avcodec"
2347 atempo_filter_select="rdft"
2348 azmq_filter_deps="libzmq"
2349 blackframe_filter_deps="gpl"
2350 boxblur_filter_deps="gpl"
2351 colormatrix_filter_deps="gpl"
2352 cropdetect_filter_deps="gpl"
2353 dctdnoiz_filter_deps="avcodec"
2354 dctdnoiz_filter_select="fft"
2355 delogo_filter_deps="gpl"
2356 deshake_filter_deps="avcodec"
2357 deshake_filter_select="dsputil"
2358 drawtext_filter_deps="libfreetype"
2359 ebur128_filter_deps="gpl"
2360 flite_filter_deps="libflite"
2361 frei0r_filter_deps="frei0r dlopen"
2362 frei0r_filter_extralibs='$ldl'
2363 frei0r_src_filter_deps="frei0r dlopen"
2364 frei0r_src_filter_extralibs='$ldl'
2365 geq_filter_deps="gpl"
2366 histeq_filter_deps="gpl"
2367 hqdn3d_filter_deps="gpl"
2368 interlace_filter_deps="gpl"
2369 kerndeint_filter_deps="gpl"
2370 ladspa_filter_deps="ladspa dlopen"
2371 mcdeint_filter_deps="avcodec gpl"
2372 movie_filter_deps="avcodec avformat"
2373 mp_filter_deps="gpl avcodec swscale inline_asm"
2374 mpdecimate_filter_deps="gpl avcodec"
2375 mptestsrc_filter_deps="gpl"
2376 negate_filter_deps="lut_filter"
2377 perspective_filter_deps="gpl"
2378 resample_filter_deps="avresample"
2379 ocv_filter_deps="libopencv"
2380 owdenoise_filter_deps="gpl"
2381 pan_filter_deps="swresample"
2382 phase_filter_deps="gpl"
2383 pp_filter_deps="gpl postproc"
2384 pullup_filter_deps="gpl"
2385 removelogo_filter_deps="avcodec avformat swscale"
2386 sab_filter_deps="gpl swscale"
2387 scale_filter_deps="swscale"
2388 smartblur_filter_deps="gpl swscale"
2389 showspectrum_filter_deps="avcodec"
2390 showspectrum_filter_select="rdft"
2391 spp_filter_deps="gpl avcodec"
2392 spp_filter_select="fft"
2393 stereo3d_filter_deps="gpl"
2394 subtitles_filter_deps="avformat avcodec libass"
2395 super2xsai_filter_deps="gpl"
2396 tinterlace_filter_deps="gpl"
2397 vidstabdetect_filter_deps="libvidstab"
2398 vidstabtransform_filter_deps="libvidstab"
2399 pixfmts_super2xsai_test_deps="super2xsai_filter"
2400 tinterlace_merge_test_deps="tinterlace_filter"
2401 tinterlace_pad_test_deps="tinterlace_filter"
2402 zmq_filter_deps="libzmq"
2405 avio_reading="avformat avcodec avutil"
2406 decoding_encoding_example_deps="avcodec avutil"
2407 demuxing_decoding_example_deps="avcodec avformat avutil"
2408 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2409 filtering_video_example_deps="avfilter avcodec avformat avutil"
2410 metadata_example_deps="avformat avutil"
2411 muxing_example_deps="avcodec avformat avutil swscale"
2412 remuxing_example_deps="avcodec avformat avutil"
2413 resampling_audio_example_deps="avutil swresample"
2414 scaling_video_example_deps="avutil swscale"
2415 transcode_aac_example_deps="avcodec avformat swresample"
2418 avcodec_deps="avutil"
2419 avdevice_deps="avutil avcodec avformat"
2420 avfilter_deps="avutil"
2421 avformat_deps="avutil avcodec"
2422 avresample_deps="avutil"
2423 postproc_deps="avutil gpl"
2424 swscale_deps="avutil"
2427 ffmpeg_deps="avcodec avfilter avformat swresample"
2428 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2430 setpts_filter trim_filter"
2431 ffplay_deps="avcodec avformat swscale swresample sdl"
2432 ffplay_libs='$sdl_libs'
2433 ffplay_select="rdft crop_filter"
2434 ffprobe_deps="avcodec avformat"
2435 ffserver_deps="avformat fork sarestart"
2436 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2439 podpages_deps="perl"
2440 manpages_deps="perl pod2man"
2441 htmlpages_deps="perl texi2html"
2442 txtpages_deps="perl makeinfo"
2443 doc_deps_any="manpages htmlpages podpages txtpages"
2445 # default parameters
2447 logfile="config.log"
2449 # installation paths
2450 prefix_default="/usr/local"
2451 bindir_default='${prefix}/bin'
2452 datadir_default='${prefix}/share/ffmpeg'
2453 docdir_default='${prefix}/share/doc/ffmpeg'
2454 incdir_default='${prefix}/include'
2455 libdir_default='${prefix}/lib'
2456 mandir_default='${prefix}/share/man'
2457 shlibdir_default="$libdir_default"
2463 host_cc_default="gcc"
2469 pkg_config_default=pkg-config
2471 strip_default="strip"
2472 yasmexe_default="yasm"
2473 windres_default="windres"
2478 arch_default=$(uname -m)
2482 target_os_default=$(tolower $(uname -s))
2483 host_os=$target_os_default
2485 # configurable options
2486 enable $PROGRAM_LIST
2487 enable $DOCUMENT_LIST
2488 enable $EXAMPLE_LIST
2489 enable $(filter_out avresample $LIBRARY_LIST)
2495 enable optimizations
2496 enable runtime_cpudetect
2497 enable safe_bitstream_reader
2499 enable swscale_alpha
2501 # Enable hwaccels by default.
2502 enable dxva2 vaapi vdpau xvmc
2505 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2508 FULLNAME='$(NAME)$(BUILDSUF)'
2509 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2512 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2513 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2514 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2515 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2516 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2517 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2539 host_cflags_filter=echo
2540 host_ldflags_filter=echo
2542 target_path='$(CURDIR)'
2544 # since the object filename is not given with the -MM flag, the compiler
2545 # is only able to print the basename, and we must add the path ourselves
2546 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2550 if test -f configure; then
2553 source_path=$(cd $(dirname "$0"); pwd)
2554 echo "$source_path" | grep -q '[[:blank:]]' &&
2555 die "Out of tree builds are impossible with whitespace in source path."
2556 test -e "$source_path/config.h" &&
2557 die "Out of tree builds are impossible with config.h in source dir."
2564 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2570 file=$source_path/$3
2571 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2574 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2575 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2576 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2577 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2578 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2579 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2580 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2581 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2582 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2583 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2584 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2600 for n in $COMPONENT_LIST; do
2601 v=$(toupper ${n%s})_LIST
2603 eval ${n}_if_any="\$$v"
2606 enable $ARCH_EXT_LIST
2609 echo "Unknown option \"$1\"."
2610 echo "See $0 --help for available options."
2615 cat | tr ' ' '\n' | sort | pr -r -3 -t
2621 echo $* | sed s/$suffix//g | print_3_columns
2633 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2634 echo "prob ${prob:-0.5}"
2642 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2643 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2653 add_extralibs $optval
2656 disable $INDEV_LIST $OUTDEV_LIST
2659 debuglevel="$optval"
2662 disable $PROGRAM_LIST
2664 --disable-everything)
2665 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2668 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2669 disable $LIBRARY_LIST $PROGRAM_LIST doc
2671 --enable-random|--disable-random)
2672 action=${opt%%-random}
2673 do_random ${action#--} $COMPONENT_LIST
2675 --enable-random=*|--disable-random=*)
2676 action=${opt%%-random=*}
2677 do_random ${action#--} $optval
2679 --enable-*=*|--disable-*=*)
2680 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2681 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2682 eval list=\$$(toupper $thing)_LIST
2683 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2684 list=$(filter "$name" $list)
2685 [ "$list" = "" ] && warn "Option $opt did not match anything"
2688 --enable-?*|--disable-?*)
2689 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2690 if is_in $option $COMPONENT_LIST; then
2691 test $action = disable && action=unset
2692 eval $action \$$(toupper ${option%s})_LIST
2693 elif is_in $option $CMDLINE_SELECT; then
2700 NAME="${opt#--list-}"
2701 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2703 eval show_list $NAME \$$(toupper $NAME)_LIST
2705 --help|-h) show_help
2707 --fatal-warnings) enable fatal_warnings
2710 optname="${opt%%=*}"
2711 optname="${optname#--}"
2712 optname=$(echo "$optname" | sed 's/-/_/g')
2713 if is_in $optname $CMDLINE_SET; then
2714 eval $optname='$optval'
2715 elif is_in $optname $CMDLINE_APPEND; then
2716 append $optname "$optval"
2724 disabled logging && logfile=/dev/null
2726 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2729 test -n "$cross_prefix" && enable cross_compile
2731 if enabled cross_compile; then
2732 test -n "$arch" && test -n "$target_os" ||
2733 die "Must specify target arch and OS when cross-compiling"
2736 ar_default="${cross_prefix}${ar_default}"
2737 cc_default="${cross_prefix}${cc_default}"
2738 cxx_default="${cross_prefix}${cxx_default}"
2739 nm_default="${cross_prefix}${nm_default}"
2740 pkg_config_default="${cross_prefix}${pkg_config_default}"
2741 ranlib="${cross_prefix}${ranlib}"
2742 strip_default="${cross_prefix}${strip_default}"
2743 windres_default="${cross_prefix}${windres_default}"
2745 sysinclude_default="${sysroot}/usr/include"
2747 test -n "$valgrind" && toolchain="valgrind-memcheck"
2749 case "$toolchain" in
2752 add_cflags -fsanitize=address
2753 add_ldflags -fsanitize=address
2757 add_cflags -fsanitize=thread -pie
2758 add_ldflags -fsanitize=thread -pie
2762 add_cflags -fsanitize=address
2763 add_ldflags -fsanitize=address
2767 add_cflags -fsanitize=thread -pie -fPIC
2768 add_ldflags -fsanitize=thread -pie -fPIC
2771 target_exec_default=${valgrind:-"valgrind"}
2772 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"
2775 target_exec_default=${valgrind:-"valgrind"}
2776 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2779 # Check whether the current MSVC version needs the C99 converter.
2780 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2781 # support enough of C99 to build ffmpeg. Default to the new
2782 # behaviour if the regexp was unable to match anything, since this
2783 # successfully parses the version number of existing supported
2784 # versions that require the converter (MSVC 2010 and 2012).
2785 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2786 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2789 cc_default="c99wrap cl"
2792 nm_default="dumpbin -symbols"
2794 target_os_default="win32"
2795 # Use a relative path for TMPDIR. This makes sure all the
2796 # ffconf temp files are written with a relative path, avoiding
2797 # issues with msys/win32 path conversion for MSVC parameters
2798 # such as -Fo<file> or -out:<file>.
2804 nm_default="dumpbin -symbols"
2806 target_os_default="win32"
2810 add_cflags -fprofile-arcs -ftest-coverage
2811 add_ldflags -fprofile-arcs -ftest-coverage
2814 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2815 add_ldflags -Wl,-z,relro -Wl,-z,now
2818 die "Unknown toolchain $toolchain"
2822 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2823 enabled cross_compile || host_cc_default=$cc
2826 if ! $pkg_config --version >/dev/null 2>&1; then
2827 warn "$pkg_config not found, library detection may fail."
2833 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2837 EXESUF=$(exesuf $target_os)
2838 HOSTEXESUF=$(exesuf $host_os)
2840 # set temporary file name
2841 : ${TMPDIR:=$TEMPDIR}
2845 if [ -n "$tempprefix" ] ; then
2847 echo $tempprefix.${HOSTNAME}.${UID}
2849 elif ! check_cmd mktemp -u XXXXXX; then
2850 # simple replacement for missing mktemp
2851 # NOT SAFE FOR GENERAL USE
2853 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2858 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2859 (set -C; exec > $tmp) 2>/dev/null ||
2860 die "Unable to create temporary file in $TMPDIR."
2861 append TMPFILES $tmp
2865 trap 'rm -f -- $TMPFILES' EXIT
2870 tmpfile TMPE $EXESUF
2881 # make sure we can execute files in $TMPDIR
2882 cat > $TMPSH 2>> $logfile <<EOF
2885 chmod +x $TMPSH >> $logfile 2>&1
2886 if ! $TMPSH >> $logfile 2>&1; then
2888 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2889 variable to another directory and make sure that it is not mounted noexec.
2891 die "Sanity test failed."
2897 -std=c99) echo -c99 ;;
2898 -mcpu=*) echo -arch ${flag#*=} ;;
2899 -mieee) echo -ieee ;;
2900 -O*|-fast) echo $flag ;;
2901 -fno-math-errno) echo -assume nomath_errno ;;
2903 -Wall) echo -msg_enable level2 ;;
2904 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2905 -Wl,*) echo $flag ;;
2915 -Wno-switch) echo -Wno-switch-enum ;;
2916 -Wno-format-zero-length) ;;
2917 -Wdisabled-optimization) ;;
2918 -Wno-pointer-sign) echo -Wno-other ;;
2924 msvc_common_flags(){
2927 # In addition to specifying certain flags under the compiler
2928 # specific filters, they must be specified here as well or else the
2929 # generic catch all at the bottom will print the original flag.
2933 -fomit-frame-pointer) ;;
2937 -fno-signed-zeros) ;;
2941 -lz) echo zlib.lib ;;
2942 -lavifil32) echo vfw32.lib ;;
2943 -lavicap32) echo vfw32.lib user32.lib ;;
2944 -l*) echo ${flag#-l}.lib ;;
2951 msvc_common_flags "$@"
2954 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2955 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2956 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2964 msvc_common_flags "$@"
2967 # Despite what Intel's documentation says -Wall, which is supported
2968 # on Windows, does enable remarks so disable them here.
2969 -Wall) echo $flag -Qdiag-disable:remark ;;
2970 -std=c99) echo -Qstd=c99 ;;
2978 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2979 -fomit-frame-pointer) echo -Mnoframe ;;
2990 case "${flag#*=}" in
2991 native) echo -xtarget=native ;;
2992 v9|niagara) echo -xarch=sparc ;;
2993 ultrasparc) echo -xarch=sparcvis ;;
2994 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2995 i586|pentium) echo -xchip=pentium ;;
2996 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2997 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2998 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2999 pentium4*) echo -xtarget=pentium4 ;;
3000 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3001 *-sse3) echo -xarch=sse3 ;;
3002 core2) echo -xarch=ssse3 -xchip=core2 ;;
3003 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3004 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3005 amdfam10|barcelona) echo -xtarget=barcelona ;;
3006 bdver*) echo -xarch=avx ;;
3007 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3008 k8|opteron|athlon64|athlon-fx)
3009 echo -xarch=sse2a ;;
3010 athlon*) echo -xarch=pentium_proa ;;
3013 -std=c99) echo -xc99 ;;
3014 -fomit-frame-pointer) echo -xregs=frameptr ;;
3015 -fPIC) echo -KPIC -xcode=pic32 ;;
3016 -W*,*) echo $flag ;;
3017 -f*-*|-W*|-mimpure-text) ;;
3028 case "${flag#*=}" in
3029 armv7-a|cortex-a*) echo -mv=7a8 ;;
3030 armv7-r|cortex-r*) echo -mv=7r4 ;;
3031 armv7-m|cortex-m*) echo -mv=7m3 ;;
3032 armv6*|arm11*) echo -mv=6 ;;
3033 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3035 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3038 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3039 -mfpu=vfp) echo --float_support=vfpv2 ;;
3040 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3041 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3042 -msoft-float) echo --float_support=vfplib ;;
3043 -O[0-3]|-mf=*) echo $flag ;;
3045 -pds=*) echo $flag ;;
3046 -D*|-I*) echo $flag ;;
3047 --gcc|--abi=*) echo $flag ;;
3057 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3058 unset _ld_o _ldflags _ld_lib _ld_path
3059 unset _depflags _DEPCMD _DEPFLAGS
3062 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3063 true # no-op to avoid reading stdin in following checks
3064 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3066 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3067 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3068 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3071 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3073 gcc_version=$($_cc --version | head -n1)
3074 gcc_basever=$($_cc -dumpversion)
3075 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3076 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3077 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3078 if ! $_cc -dumpversion | grep -q '^2\.'; then
3079 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3083 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3085 _ident=$($_cc --version | head -n1)
3090 elif $_cc -v 2>&1 | grep -q xlc; then
3092 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3094 _cflags_size='-O5 -qcompact'
3095 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3097 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3099 _cflags_speed='-fast'
3101 _flags_filter=ccc_flags
3102 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3103 test -d "$sysroot" || die "No valid sysroot specified."
3105 _ident=$($_cc --vsn | head -n1)
3106 armcc_conf="$PWD/armcc.conf"
3107 $_cc --arm_linux_configure \
3108 --arm_linux_config_file="$armcc_conf" \
3109 --configure_sysroot="$sysroot" \
3110 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3111 die "Error creating armcc configuration file."
3112 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3113 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3114 as_default="${cross_prefix}gcc"
3118 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3120 _ident=$($_cc -version | head -n1 | tr -s ' ')
3121 _flags='--gcc --abi=eabi -me'
3124 _depflags='-ppa -ppd=$(@:.o=.d)'
3125 _cflags_speed='-O3 -mf=5'
3126 _cflags_size='-O3 -mf=2'
3127 _flags_filter=tms470_flags
3128 elif $_cc -v 2>&1 | grep -q clang; then
3130 _ident=$($_cc --version | head -n1)
3131 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3134 elif $_cc -V 2>&1 | grep -q Sun; then
3136 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3137 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3138 _DEPFLAGS='-xM1 -xc99'
3141 _cflags_size='-O5 -xspace'
3142 _flags_filter=suncc_flags
3143 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3145 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3146 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3149 _flags_filter='filter_out -Wdisabled-optimization'
3150 elif $_cc -v 2>&1 | grep -q Open64; then
3152 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3153 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3156 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3157 elif $_cc -V 2>&1 | grep -q Portland; then
3159 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3160 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3161 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3162 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3164 _flags_filter=pgi_flags
3165 elif $_cc 2>&1 | grep -q Microsoft; then
3167 _ident=$($cc 2>&1 | head -n1)
3168 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3169 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3172 if $_cc 2>&1 | grep -q Linker; then
3179 _flags_filter=msvc_flags
3181 _ld_path='-libpath:'
3183 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3184 if [ $pfx = hostcc ]; then
3185 append _cflags -Dsnprintf=_snprintf
3188 elif $_cc 2>&1 | grep -q Intel; then
3190 _ident=$($cc 2>&1 | head -n1)
3191 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3192 # Not only is O3 broken on 13.x+ but it is slower on all previous
3193 # versions (tested) as well.
3195 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3196 if $_cc 2>&1 | grep -q Linker; then
3203 _flags_filter=icl_flags
3205 _ld_path='-libpath:'
3206 # -Qdiag-error to make icl error when seeing certain unknown arguments
3207 _flags='-nologo -Qdiag-error:4044,10157'
3208 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3209 # with MSVC which enables it by default.
3210 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3211 if [ $pfx = hostcc ]; then
3212 append _cflags -Dsnprintf=_snprintf
3214 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3216 _ident=$($_cc --version | head -n1)
3220 _flags_filter=cparser_flags
3223 eval ${pfx}_type=\$_type
3224 eval ${pfx}_ident=\$_ident
3228 eval ${1}_C=\${_cc_c-\${${1}_C}}
3229 eval ${1}_E=\${_cc_e-\${${1}_E}}
3230 eval ${1}_O=\${_cc_o-\${${1}_O}}
3232 if [ -n "$_depflags" ]; then
3233 eval ${1}_DEPFLAGS=\$_depflags
3235 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3236 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3237 eval DEP${1}FLAGS=\$_flags
3242 cflags_filter=$_flags_filter
3243 cflags_speed=$_cflags_speed
3244 cflags_size=$_cflags_size
3245 cflags_noopt=$_cflags_noopt
3246 add_cflags $_flags $_cflags
3247 cc_ldflags=$_ldflags
3250 probe_cc hostcc "$host_cc"
3251 host_cflags_filter=$_flags_filter
3252 add_host_cflags $_flags $_cflags
3255 test -n "$cc_type" && enable $cc_type ||
3256 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3258 : ${as_default:=$cc}
3259 : ${dep_cc_default:=$cc}
3260 : ${ld_default:=$cc}
3261 : ${host_ld_default:=$host_cc}
3262 set_default ar as dep_cc ld host_ld windres
3265 asflags_filter=$_flags_filter
3266 add_asflags $_flags $_cflags
3270 ldflags_filter=$_flags_filter
3271 add_ldflags $_flags $_ldflags
3272 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3274 LD_LIB=${_ld_lib-$LD_LIB}
3275 LD_PATH=${_ld_path-$LD_PATH}
3277 probe_cc hostld "$host_ld"
3278 host_ldflags_filter=$_flags_filter
3279 add_host_ldflags $_flags $_ldflags
3280 HOSTLD_O=${_ld_o-$HOSTLD_O}
3282 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3283 probe_cc depcc "$dep_cc"
3284 CCDEP=${_DEPCMD:-$DEPCMD}
3285 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3289 if $ar 2>&1 | grep -q Microsoft; then
3292 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3295 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3296 arflags='-Xany -r -c'
3303 add_cflags $extra_cflags
3304 add_cxxflags $extra_cxxflags
3305 add_asflags $extra_cflags
3307 if test -n "$sysroot"; then
3310 add_cppflags --sysroot="$sysroot"
3311 add_ldflags --sysroot="$sysroot"
3314 add_cppflags -I"$sysinclude"
3315 add_ldflags --sysroot="$sysroot"
3320 if test "$cpu" = host; then
3321 enabled cross_compile &&
3322 die "--cpu=host makes no sense when cross-compiling."
3327 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3329 s/.*$1=\\([^ ]*\\).*/\\1/
3334 cpu=$(check_native -march || check_native -mcpu)
3338 test "${cpu:-host}" = host &&
3339 die "--cpu=host not supported with compiler $cc"
3342 # Deal with common $arch aliases
3356 "Power Macintosh"|ppc*|powerpc*)
3371 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3376 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3379 # Add processor-specific flags
3380 if enabled aarch64; then
3384 cpuflags="-march=$cpu"
3387 cpuflags="-mcpu=$cpu"
3391 elif enabled alpha; then
3393 cpuflags="-mcpu=$cpu"
3395 elif enabled arm; then
3398 check_cpp_condition stddef.h \
3399 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3404 if check_arm_arch 4; then echo armv4;
3405 elif check_arm_arch 4T; then echo armv4t;
3406 elif check_arm_arch 5; then echo armv5;
3407 elif check_arm_arch 5E; then echo armv5e;
3408 elif check_arm_arch 5T; then echo armv5t;
3409 elif check_arm_arch 5TE; then echo armv5te;
3410 elif check_arm_arch 5TEJ; then echo armv5te;
3411 elif check_arm_arch 6; then echo armv6;
3412 elif check_arm_arch 6J; then echo armv6j;
3413 elif check_arm_arch 6K; then echo armv6k;
3414 elif check_arm_arch 6Z; then echo armv6z;
3415 elif check_arm_arch 6ZK; then echo armv6zk;
3416 elif check_arm_arch 6T2; then echo armv6t2;
3417 elif check_arm_arch 7; then echo armv7;
3418 elif check_arm_arch 7A 7_A; then echo armv7-a;
3419 elif check_arm_arch 7R 7_R; then echo armv7-r;
3420 elif check_arm_arch 7M 7_M; then echo armv7-m;
3421 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3422 elif check_arm_arch 8A 8_A; then echo armv8-a;
3426 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3430 cpuflags="-march=$cpu"
3431 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3434 cpuflags="-mcpu=$cpu"
3436 cortex-a*) subarch=armv7a ;;
3437 cortex-r*) subarch=armv7r ;;
3438 cortex-m*) enable thumb; subarch=armv7m ;;
3439 arm11*) subarch=armv6 ;;
3440 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3441 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3442 *) subarch=$(probe_arm_arch) ;;
3448 armv5t*) enable fast_clz ;;
3449 armv[6-8]*) enable fast_clz fast_unaligned ;;
3452 elif enabled avr32; then
3457 cpuflags="-mpart=$cpu"
3461 cpuflags="-march=$cpu"
3465 cpuflags="-mcpu=$cpu"
3469 cpuflags="-march=$cpu"
3473 elif enabled bfin; then
3475 cpuflags="-mcpu=$cpu"
3477 elif enabled mips; then
3479 cpuflags="-march=$cpu"
3495 24kef*|34kf*|1004kf*)
3503 elif enabled ppc; then
3505 case $(tolower $cpu) in
3506 601|ppc601|powerpc601)
3507 cpuflags="-mcpu=601"
3510 603*|ppc603*|powerpc603*)
3511 cpuflags="-mcpu=603"
3514 604*|ppc604*|powerpc604*)
3515 cpuflags="-mcpu=604"
3518 g3|75*|ppc75*|powerpc75*)
3519 cpuflags="-mcpu=750"
3522 g4|745*|ppc745*|powerpc745*)
3523 cpuflags="-mcpu=7450"
3525 74*|ppc74*|powerpc74*)
3526 cpuflags="-mcpu=7400"
3528 g5|970|ppc970|powerpc970)
3529 cpuflags="-mcpu=970"
3532 cpuflags="-mcpu=$cpu"
3535 cpuflags="-mcpu=cell"
3539 cpuflags="-mcpu=e500mc"
3543 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3547 cpuflags="-mcpu=8540 -mhard-float"
3552 elif enabled sparc; then
3555 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3556 cpuflags="-mcpu=$cpu"
3559 ultrasparc*|niagara[234])
3560 cpuflags="-mcpu=$cpu"
3564 elif enabled x86; then
3568 cpuflags="-march=$cpu"
3571 # targets that do NOT support nopl and conditional mov (cmov)
3572 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3573 cpuflags="-march=$cpu"
3576 # targets that do support nopl and conditional mov (cmov)
3577 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*)
3578 cpuflags="-march=$cpu"
3582 # targets that do support conditional mov but on which it's slow
3583 pentium4|pentium4m|prescott|nocona)
3584 cpuflags="-march=$cpu"
3592 if [ "$cpu" != generic ]; then
3593 add_cflags $cpuflags
3594 add_asflags $cpuflags
3597 # compiler sanity check
3599 int main(void){ return 0; }
3601 if test "$?" != 0; then
3602 echo "$cc is unable to create an executable file."
3603 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3604 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3605 echo "Only do this if you know what cross compiling means."
3607 die "C compiler test failed."
3610 add_cppflags -D_ISOC99_SOURCE
3611 add_cxxflags -D__STDC_CONSTANT_MACROS
3612 check_cflags -std=c99
3613 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3616 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3620 add_host_cppflags -D_ISOC99_SOURCE
3621 check_host_cflags -std=c99
3622 check_host_cflags -Wall
3623 check_host_cflags -O3
3629 check_code cc "" "int test[2*($expr) - 1]" &&
3630 subarch=$arch64 || subarch=$arch32
3638 check_64bit mips mips64 '_MIPS_SIM > 1'
3642 check_64bit parisc parisc64 'sizeof(void *) > 4'
3646 check_64bit ppc ppc64 'sizeof(void *) > 4'
3650 check_64bit sparc sparc64 'sizeof(void *) > 4'
3654 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3655 if test "$subarch" = "x86_64"; then
3660 check_cc <<EOF && subarch="ppc64"
3661 int test[(int)sizeof(char*) - 7];
3667 enabled spic && enable_weak pic
3673 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3674 enabled shared && add_ldflags -Wl,-brtl
3677 prefix_default="/boot/common"
3678 network_extralibs="-lnetwork"
3682 SHFLAGS='-shared -Wl,-h,$$(@F)'
3683 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3684 network_extralibs="-lsocket -lnsl"
3685 # When using suncc to build, the Solaris linker will mark
3686 # an executable with each instruction set encountered by
3687 # the Solaris assembler. As our libraries contain their own
3688 # guards for processor-specific code, instead suppress
3689 # generation of the HWCAPS ELF section on Solaris x86 only.
3690 enabled_all suncc x86 &&
3691 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3692 add_ldflags -Wl,-M,mapfile
3693 nm_default='nm -P -g'
3697 oss_indev_extralibs="-lossaudio"
3698 oss_outdev_extralibs="-lossaudio"
3699 enabled gcc || check_ldflags -Wl,-zmuldefs
3704 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3706 oss_indev_extralibs="-lossaudio"
3707 oss_outdev_extralibs="-lossaudio"
3715 add_extralibs -lpoll -lgnugetopt
3719 gas="gas-preprocessor.pl $cc"
3720 enabled ppc && add_asflags -force_cpusubtype_ALL
3721 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3722 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3724 add_ldflags -Wl,-dynamic,-search_paths_first
3726 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3727 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3729 enabled x86_64 && objformat="macho64"
3730 enabled_any pic shared ||
3731 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3734 if test $target_os = "mingw32ce"; then
3740 if enabled x86_64; then
3741 LIBTARGET="i386:x86-64"
3742 elif enabled arm; then
3745 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3746 check_ldflags -Wl,--nxcompat
3747 check_ldflags -Wl,--dynamicbase
3748 shlibdir_default="$bindir_default"
3751 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3752 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3753 dlltool="${cross_prefix}dlltool"
3754 if check_cmd lib.exe -list; then
3755 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3756 if enabled x86_64; then
3759 elif check_cmd $dlltool --version; then
3760 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3762 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3764 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3765 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3766 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3773 if enabled shared; then
3774 # Link to the import library instead of the normal static library
3777 # Cannot build both shared and static libs with MSVC or icl.
3780 shlibdir_default="$bindir_default"
3783 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3784 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3785 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3786 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3788 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3789 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3790 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3797 shlibdir_default="$bindir_default"
3800 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3801 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3802 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3804 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3805 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3808 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3810 *-dos|freedos|opendos)
3811 network_extralibs="-lsocket"
3814 add_cppflags -U__STRICT_ANSI__
3821 ranlib="echo ignoring ranlib"
3827 add_cppflags -D_GNU_SOURCE
3828 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3829 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3833 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3834 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3835 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3836 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3837 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3838 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3839 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3840 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3841 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3842 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3843 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3845 enable_weak os2threads
3848 add_cppflags -D_BSD_SOURCE
3853 add_cppflags -D_QNX_SOURCE
3854 network_extralibs="-lsocket"
3859 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3860 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3861 add_ldflags -Wl,--target1-abs,--no-undefined \
3862 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3863 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3864 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3865 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3866 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3869 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3874 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3875 -D_REENTRANT_SOURCE \
3876 -D_RESEARCH_SOURCE \
3879 add_compat strtod.o strtod=avpriv_strtod
3880 network_extralibs='-lbsd'
3881 exeobjs=compat/plan9/main.o
3888 die "Unknown OS '$target_os'."
3892 # determine libc flavour
3897 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3898 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3899 eval ${pfx}libc_type=uclibc
3900 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3901 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3902 eval ${pfx}libc_type=glibc
3903 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3904 # MinGW headers can be installed on Cygwin, so check for newlib first.
3905 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3906 eval ${pfx}libc_type=newlib
3907 add_${pfx}cppflags -U__STRICT_ANSI__
3908 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3909 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3910 eval ${pfx}libc_type=mingw64
3911 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3912 add_compat msvcrt/snprintf.o
3913 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3915 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3916 eval test \$${pfx_no_}cc_type = "gcc" &&
3917 add_${pfx}cppflags -D__printf__=__gnu_printf__
3918 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3919 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3920 eval ${pfx}libc_type=mingw32
3921 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3922 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3923 die "ERROR: MinGW32 runtime version must be >= 3.15."
3924 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3925 eval test \$${pfx_no_}cc_type = "gcc" &&
3926 add_${pfx}cppflags -D__printf__=__gnu_printf__
3927 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3928 eval ${pfx}libc_type=msvcrt
3929 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3930 # 0x601 by default unless something else is set by the user.
3931 # This can easily lead to us detecting functions only present
3932 # in such new versions and producing binaries requiring windows 7.0.
3933 # Therefore explicitly set the default to XP unless the user has
3934 # set something else on the command line.
3935 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3936 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3937 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3938 eval ${pfx}libc_type=klibc
3939 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3940 eval ${pfx}libc_type=bionic
3941 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3942 eval ${pfx}libc_type=solaris
3943 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3948 test -n "$libc_type" && enable libc_$libc_type
3950 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3954 add_compat strtod.o strtod=avpriv_strtod
3957 add_compat strtod.o strtod=avpriv_strtod
3958 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3959 _snprintf=avpriv_snprintf \
3960 vsnprintf=avpriv_vsnprintf
3964 # hacks for compiler/libc/os combinations
3966 if enabled_all tms470 libc_glibc; then
3967 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3968 add_cppflags -D__USER_LABEL_PREFIX__=
3969 add_cppflags -D__builtin_memset=memset
3970 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3971 add_cflags -pds=48 # incompatible redefinition of macro
3974 if enabled_all ccc libc_glibc; then
3975 add_ldflags -Wl,-z,now # calls to libots crash without this
3979 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3982 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3984 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3986 set_default $PATHS_LIST
3989 # we need to build at least one lib type
3990 if ! enabled_any static shared; then
3992 At least one library type must be built.
3993 Specify --enable-static to build the static libraries or --enable-shared to
3994 build the shared libraries as well. To only build the shared libraries specify
3995 --disable-static in addition to --enable-shared.
4000 # backward compatibility layer for incompatible_libav/fork_abi
4001 enabled incompatible_fork_abi && enable incompatible_libav_abi
4002 enabled incompatible_libav_abi && enable incompatible_fork_abi
4004 die_license_disabled() {
4005 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4008 die_license_disabled_gpl() {
4009 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4012 die_license_disabled gpl frei0r
4013 die_license_disabled gpl libcdio
4014 die_license_disabled gpl libutvideo
4015 die_license_disabled gpl libvidstab
4016 die_license_disabled gpl libx264
4017 die_license_disabled gpl libx265
4018 die_license_disabled gpl libxavs
4019 die_license_disabled gpl libxvid
4020 die_license_disabled gpl libzvbi
4021 die_license_disabled gpl x11grab
4023 die_license_disabled nonfree libaacplus
4024 die_license_disabled nonfree libfaac
4025 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4026 enabled gpl && die_license_disabled_gpl nonfree openssl
4028 die_license_disabled version3 libopencore_amrnb
4029 die_license_disabled version3 libopencore_amrwb
4030 die_license_disabled version3 libvo_aacenc
4031 die_license_disabled version3 libvo_amrwbenc
4033 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4035 disabled optimizations || check_cflags -fomit-frame-pointer
4038 disabled pic && return
4041 case "$target_os" in
4051 enabled pic && enable_weak_pic
4053 check_cc <<EOF || die "Symbol mangling check failed."
4056 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4057 extern_prefix=${sym%%ff_extern*}
4059 check_cc <<EOF && enable_weak inline_asm
4060 void foo(void) { __asm__ volatile ("" ::); }
4064 for restrict_keyword in restrict __restrict__ __restrict; do
4065 check_cc <<EOF && _restrict=$restrict_keyword && break
4066 void foo(char * $restrict_keyword p);
4070 check_cc <<EOF && enable pragma_deprecated
4071 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4074 check_cc <<EOF && enable attribute_packed
4075 struct { int x; } __attribute__((packed)) x;
4078 check_cc <<EOF && enable attribute_may_alias
4079 union { int x; } __attribute__((may_alias)) x;
4082 check_cc <<EOF || die "endian test failed"
4083 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4085 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4087 check_inline_asm inline_asm_labels '"1:\n"'
4089 if enabled aarch64; then
4090 # internal assembler in clang 3.3 does not support this instruction
4091 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4092 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4094 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4096 elif enabled alpha; then
4100 elif enabled arm; then
4102 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4103 float func(float a, float b){ return a+b; }
4106 enabled thumb && check_cflags -mthumb || check_cflags -marm
4109 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4111 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4112 case "${cross_prefix:-$cc}" in
4113 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4114 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4115 __asm__ (".eabi_attribute 28, 1");
4116 int main(void) { return 0; }
4119 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4122 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4123 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4124 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4125 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4126 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4127 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4129 [ $target_os = linux ] ||
4130 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4133 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4134 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
4136 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4138 elif enabled mips; then
4140 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4141 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4142 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4143 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4144 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4145 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4146 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4147 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4148 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4150 elif enabled parisc; then
4152 if enabled gcc; then
4153 case $($cc -dumpversion) in
4154 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4158 elif enabled ppc; then
4160 enable local_aligned_8 local_aligned_16
4162 [ $cpu != e500 -a $cpu != e500v2 ] &&
4163 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4164 check_inline_asm ibm_asm '"add 0, 0, 0"'
4165 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4166 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4168 # AltiVec flags: The FSF version of GCC differs from the Apple version
4169 if enabled altivec; then
4170 if ! enabled_any pic ppc64; then
4173 check_cflags -maltivec -mabi=altivec &&
4174 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4175 check_cflags -faltivec
4177 # check if our compiler supports Motorola AltiVec C API
4178 check_cc <<EOF || disable altivec
4181 vector signed int v1 = (vector signed int) { 0 };
4182 vector signed int v2 = (vector signed int) { 1 };
4183 v1 = vec_add(v1, v2);
4188 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4191 elif enabled sparc; then
4193 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4195 elif enabled x86; then
4197 check_builtin rdtsc intrin.h "__rdtsc()"
4198 check_builtin mm_empty mmintrin.h "_mm_empty()"
4200 enable local_aligned_8 local_aligned_16
4202 # check whether EBP is available on x86
4203 # As 'i' is stored on the stack, this program will crash
4204 # if the base pointer is used to access it because the
4205 # base pointer is cleared in the inline assembly code.
4206 check_exec_crash <<EOF && enable ebp_available
4208 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4212 # check whether EBX is available on x86
4213 check_inline_asm ebx_available '""::"b"(0)' &&
4214 check_inline_asm ebx_available '"":::"%ebx"'
4216 # check whether xmm clobbers are supported
4217 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4219 # check whether binutils is new enough to compile SSSE3/MMXEXT
4220 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4221 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4223 if ! disabled_any asm mmx yasm; then
4224 if check_cmd $yasmexe --version; then
4225 enabled x86_64 && yasm_extra="-m amd64"
4226 yasm_debug="-g dwarf2"
4227 elif check_cmd nasm -v; then
4229 yasm_debug="-g -F dwarf"
4230 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4233 YASMFLAGS="-f $objformat $yasm_extra"
4234 enabled pic && append YASMFLAGS "-DPIC"
4235 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4236 case "$objformat" in
4237 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4240 check_yasm "movbe ecx, [5]" && enable yasm ||
4241 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4242 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4243 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4244 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4245 check_yasm "CPU amdnop" && enable cpunop
4249 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4256 if enabled asm; then
4258 check_as <<EOF && enable gnu_as || \
4259 $nogas "GNU assembler not found, install gas-preprocessor"
4267 check_ldflags -Wl,--as-needed
4269 if check_func dlopen; then
4271 elif check_func dlopen -ldl; then
4275 if ! disabled network; then
4276 check_type "sys/types.h sys/socket.h" socklen_t
4277 check_type netdb.h "struct addrinfo"
4278 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4279 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4280 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4281 check_type netinet/in.h "struct sockaddr_in6"
4282 check_type poll.h "struct pollfd"
4283 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4284 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4285 check_type netinet/sctp.h "struct sctp_event_subscribe"
4286 check_func getaddrinfo $network_extralibs
4287 check_func getservbyport $network_extralibs
4288 # Prefer arpa/inet.h over winsock2
4289 if check_header arpa/inet.h ; then
4290 check_func closesocket
4291 elif check_header winsock2.h ; then
4292 check_func_headers winsock2.h closesocket -lws2 &&
4293 network_extralibs="-lws2" ||
4294 { check_func_headers winsock2.h closesocket -lws2_32 &&
4295 network_extralibs="-lws2_32"; } || disable winsock2_h network
4296 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4297 check_type ws2tcpip.h socklen_t
4298 check_type ws2tcpip.h "struct addrinfo"
4299 check_type ws2tcpip.h "struct group_source_req"
4300 check_type ws2tcpip.h "struct ip_mreq_source"
4301 check_type ws2tcpip.h "struct ipv6_mreq"
4302 check_type winsock2.h "struct pollfd"
4303 check_type ws2tcpip.h "struct sockaddr_in6"
4304 check_type ws2tcpip.h "struct sockaddr_storage"
4305 check_struct winsock2.h "struct sockaddr" sa_len
4311 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4312 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4315 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4318 check_func_headers stdlib.h getenv
4319 check_func gethrtime
4321 check_func getrusage
4322 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4323 check_func gettimeofday
4324 check_func inet_aton $network_extralibs
4326 check_func localtime_r
4327 check_func ${malloc_prefix}memalign && enable memalign
4331 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4332 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4333 check_func setrlimit
4334 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4335 check_func strerror_r
4336 check_func sched_getaffinity
4337 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4338 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4339 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4340 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4341 check_builtin sarestart signal.h "SA_RESTART"
4345 check_func_headers conio.h kbhit
4346 check_func_headers windows.h PeekNamedPipe
4347 check_func_headers io.h setmode
4348 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4349 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4350 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4351 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4352 check_func_headers windows.h GetProcessAffinityMask
4353 check_func_headers windows.h GetProcessTimes
4354 check_func_headers windows.h GetSystemTimeAsFileTime
4355 check_func_headers windows.h MapViewOfFile
4356 check_func_headers windows.h SetConsoleTextAttribute
4357 check_func_headers windows.h Sleep
4358 check_func_headers windows.h VirtualAlloc
4359 check_func_headers glob.h glob
4360 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4362 check_header cl/cl.h
4363 check_header direct.h
4364 check_header dlfcn.h
4366 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4368 check_header libcrystalhd/libcrystalhd_if.h
4369 check_header malloc.h
4371 check_header sys/mman.h
4372 check_header sys/param.h
4373 check_header sys/resource.h
4374 check_header sys/select.h
4375 check_header sys/time.h
4376 check_header sys/un.h
4377 check_header termios.h
4378 check_header unistd.h
4379 check_header vdpau/vdpau.h
4380 check_header vdpau/vdpau_x11.h
4381 check_header VideoDecodeAcceleration/VDADecoder.h
4382 check_header windows.h
4383 check_header X11/extensions/XvMClib.h
4384 check_header asm/types.h
4386 if ! disabled w32threads && ! enabled pthreads; then
4387 check_func_headers "windows.h process.h" _beginthreadex &&
4388 enable w32threads || disable w32threads
4391 # check for some common methods of building with pthread support
4392 # do this before the optional library checks as some of them require pthreads
4393 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4395 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4397 add_extralibs -pthread
4398 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4399 add_cflags -pthreads
4400 add_extralibs -pthreads
4401 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4402 add_extralibs -lpthreadGC2
4403 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4405 elif ! check_func pthread_join && ! check_func pthread_create; then
4408 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4411 for thread in $THREADS_LIST; do
4412 if enabled $thread; then
4413 test -n "$thread_type" &&
4414 die "ERROR: Only one thread type must be selected." ||
4415 thread_type="$thread"
4419 if enabled pthreads; then
4420 check_func pthread_cancel
4423 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4424 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4426 check_lib math.h sin -lm && LIBM="-lm"
4427 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4433 for func in $MATH_FUNCS; do
4434 eval check_mathfunc $func \${${func}_args:-1}
4437 # these are off by default, so fail if requested and not available
4438 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4439 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4440 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4441 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4442 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4443 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4444 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4445 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4446 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4447 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4448 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4449 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4450 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4451 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4452 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4453 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4454 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4455 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4456 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"
4457 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4458 enabled libfreetype && require_libfreetype
4459 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4460 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4461 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4462 done || die "ERROR: libgsm not found"; }
4463 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4464 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4465 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4466 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4467 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4468 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4469 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4470 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4471 check_lib openjpeg.h opj_version -lopenjpeg ||
4472 die "ERROR: libopenjpeg not found"; }
4473 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4474 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4475 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4476 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4477 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4478 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4479 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4480 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4481 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4482 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4483 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4484 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4485 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4486 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4487 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4488 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4489 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4490 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4491 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4492 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4493 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4494 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4496 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4497 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4498 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 ||
4499 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4500 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4501 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; } }
4502 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4503 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4504 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4505 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4506 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4507 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4508 { check_cpp_condition x265.h "X265_BUILD >= 5" ||
4509 die "ERROR: libx265 version must be >= 5."; }
4510 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4511 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4512 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4513 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4514 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4515 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4516 die "ERROR: openal not found"; } &&
4517 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4518 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4519 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4520 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4521 die "ERROR: opencl not found"; } &&
4522 { ! enabled_any w32threads os2threads ||
4523 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4524 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4525 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4526 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4527 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4528 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4529 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4530 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4531 die "ERROR: opengl not found."
4533 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4534 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4535 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4536 die "ERROR: openssl not found"; }
4538 if enabled gnutls; then
4539 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4540 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4544 if enabled libdc1394; then
4545 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4546 enable libdc1394_2; } ||
4547 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4548 enable libdc1394_1; } ||
4549 die "ERROR: No version of libdc1394 found "
4552 SDL_CONFIG="${cross_prefix}sdl-config"
4553 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4554 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4555 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4558 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4559 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4560 sdl_libs=$("${SDL_CONFIG}" --libs)
4561 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4562 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4563 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4567 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4569 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4570 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4571 perl -v > /dev/null 2>&1 && enable perl || disable perl
4572 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4573 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4575 check_header linux/fb.h
4576 check_header linux/videodev.h
4577 check_header linux/videodev2.h
4578 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4580 check_header sys/videoio.h
4582 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4583 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4584 # w32api 3.12 had it defined wrong
4585 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4587 check_type "dshow.h" IBaseFilter
4589 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4590 { check_header dev/bktr/ioctl_meteor.h &&
4591 check_header dev/bktr/ioctl_bt848.h; } ||
4592 { check_header machine/ioctl_meteor.h &&
4593 check_header machine/ioctl_bt848.h; } ||
4594 { check_header dev/video/meteor/ioctl_meteor.h &&
4595 check_header dev/video/bktr/ioctl_bt848.h; } ||
4596 check_header dev/ic/bt8xx.h
4598 check_header sndio.h
4599 if check_struct sys/soundcard.h audio_buf_info bytes; then
4600 enable_safe sys/soundcard.h
4602 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4603 #include <sys/soundcard.h>
4607 check_header soundcard.h
4609 enabled_any alsa_indev alsa_outdev &&
4610 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4612 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4613 check_func jack_port_get_latency_range -ljack
4615 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4617 if enabled libcdio; then
4618 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4619 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4620 die "ERROR: libcdio-paranoia not found"
4623 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4626 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4627 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4628 { enabled xlib || die "ERROR: Xlib not found"; }
4631 check_lib va/va.h vaInitialize -lva ||
4635 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4638 enabled vdpau && enabled xlib &&
4639 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4640 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4643 # Funny iconv installations are not unusual, so check it after all flags have been set
4644 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4646 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4648 # add some useful compiler flags if supported
4649 check_cflags -Wdeclaration-after-statement
4651 check_cflags -Wdisabled-optimization
4652 check_cflags -Wpointer-arith
4653 check_cflags -Wredundant-decls
4654 check_cflags -Wwrite-strings
4655 check_cflags -Wtype-limits
4656 check_cflags -Wundef
4657 check_cflags -Wmissing-prototypes
4658 check_cflags -Wno-pointer-to-int-cast
4659 check_cflags -Wstrict-prototypes
4660 enabled extra_warnings && check_cflags -Winline
4662 check_disable_warning(){
4663 warning_flag=-W${1#-Wno-}
4664 test_cflags $warning_flag && add_cflags $1
4667 check_disable_warning -Wno-parentheses
4668 check_disable_warning -Wno-switch
4669 check_disable_warning -Wno-format-zero-length
4670 check_disable_warning -Wno-pointer-sign
4672 # add some linker flags
4673 check_ldflags -Wl,--warn-common
4674 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4675 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4676 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4678 # add some strip flags
4679 # -wN '..@*' is more selective than -x, but not available everywhere.
4680 check_stripflags -wN \'..@*\' || check_stripflags -x
4682 enabled neon_clobber_test &&
4683 check_ldflags -Wl,--wrap,avcodec_open2 \
4684 -Wl,--wrap,avcodec_decode_audio4 \
4685 -Wl,--wrap,avcodec_decode_video2 \
4686 -Wl,--wrap,avcodec_decode_subtitle2 \
4687 -Wl,--wrap,avcodec_encode_audio2 \
4688 -Wl,--wrap,avcodec_encode_video2 \
4689 -Wl,--wrap,avcodec_encode_subtitle \
4690 -Wl,--wrap,swr_convert \
4691 -Wl,--wrap,avresample_convert ||
4692 disable neon_clobber_test
4694 enabled xmm_clobber_test &&
4695 check_ldflags -Wl,--wrap,avcodec_open2 \
4696 -Wl,--wrap,avcodec_decode_audio4 \
4697 -Wl,--wrap,avcodec_decode_video2 \
4698 -Wl,--wrap,avcodec_decode_subtitle2 \
4699 -Wl,--wrap,avcodec_encode_audio2 \
4700 -Wl,--wrap,avcodec_encode_video \
4701 -Wl,--wrap,avcodec_encode_video2 \
4702 -Wl,--wrap,avcodec_encode_subtitle \
4703 -Wl,--wrap,swr_convert \
4704 -Wl,--wrap,avresample_convert \
4705 -Wl,--wrap,sws_scale ||
4706 disable xmm_clobber_test
4709 if test_ldflags -Wl,--version-script,$TMPV; then
4710 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4711 check_cc <<EOF && enable symver_asm_label
4712 void ff_foo(void) __asm__ ("av_foo@VERSION");
4713 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4715 check_cc <<EOF && enable symver_gnu_asm
4716 __asm__(".symver ff_foo,av_foo@VERSION");
4717 void ff_foo(void) {}
4721 if [ -z "$optflags" ]; then
4722 if enabled small; then
4723 optflags=$cflags_size
4724 elif enabled optimizations; then
4725 optflags=$cflags_speed
4727 optflags=$cflags_noopt
4733 enabled lto && check_ldflags "$@"
4737 if enabled lto; then
4738 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4740 check_ldflags -flto $cpuflags
4743 check_optflags $optflags
4744 check_optflags -fno-math-errno
4745 check_optflags -fno-signed-zeros
4747 enabled ftrapv && check_cflags -ftrapv
4749 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4754 if enabled icc; then
4755 # Just warnings, no remarks
4757 # -wd: Disable following warnings
4758 # 144, 167, 556: -Wno-pointer-sign
4759 # 188: enumerated type mixed with another type
4760 # 1292: attribute "foo" ignored
4761 # 1419: external declaration in primary source file
4762 # 10006: ignoring unknown option -fno-signed-zeros
4763 # 10148: ignoring unknown option -Wno-parentheses
4764 # 10156: ignoring option '-W'; no argument required
4765 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4766 # 11030: Warning unknown option --as-needed
4767 # 10156: ignoring option '-export'; no argument required
4768 check_ldflags -wd10156,11030
4769 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4770 enable ebp_available
4771 if enabled x86_32; then
4772 icc_version=$($cc -dumpversion)
4773 test ${icc_version%%.*} -ge 11 &&
4774 check_cflags -falign-stack=maintain-16-byte ||
4775 disable aligned_stack
4777 elif enabled ccc; then
4778 # disable some annoying warnings
4779 add_cflags -msg_disable bitnotint
4780 add_cflags -msg_disable mixfuncvoid
4781 add_cflags -msg_disable nonstandcast
4782 add_cflags -msg_disable unsupieee
4783 elif enabled gcc; then
4784 check_optflags -fno-tree-vectorize
4785 check_cflags -Werror=implicit-function-declaration
4786 check_cflags -Werror=missing-prototypes
4787 check_cflags -Werror=return-type
4788 check_cflags -Werror=vla
4789 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4790 elif enabled llvm_gcc; then
4791 check_cflags -mllvm -stack-alignment=16
4792 elif enabled clang; then
4793 check_cflags -mllvm -stack-alignment=16
4794 check_cflags -Qunused-arguments
4795 check_cflags -Werror=implicit-function-declaration
4796 check_cflags -Werror=missing-prototypes
4797 check_cflags -Werror=return-type
4798 elif enabled cparser; then
4799 add_cflags -Wno-missing-variable-declarations
4800 add_cflags -Wno-empty-statement
4801 elif enabled armcc; then
4802 # 2523: use of inline assembler is deprecated
4803 add_cflags -W${armcc_opt},--diag_suppress=2523
4804 add_cflags -W${armcc_opt},--diag_suppress=1207
4805 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4806 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4807 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4808 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4809 elif enabled tms470; then
4810 add_cflags -pds=824 -pds=837
4812 elif enabled pathscale; then
4813 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4814 elif enabled_any msvc icl; then
4815 enabled x86_32 && disable aligned_stack
4816 enabled_all x86_32 debug && add_cflags -Oy-
4817 enabled debug && add_ldflags -debug
4818 enable pragma_deprecated
4819 if enabled icl; then
4820 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4821 # (correctly) on icl 13.x.
4822 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4823 add_cflags -Qansi-alias
4824 # icl will pass the inline asm tests but inline asm is currently
4825 # not supported (build will fail)
4826 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4833 add_asflags -Qunused-arguments
4839 check_ldflags -Qunused-arguments
4845 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4848 add_cppflags -Dmain=plan9_main
4852 enable frame_thread_encoder
4854 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4856 check_deps $CONFIG_LIST \
4861 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"
4864 if test $target_os = "haiku"; then
4866 disable posix_memalign
4869 ! enabled_any memalign posix_memalign aligned_malloc &&
4870 enabled_any $need_memalign && enable memalign_hack
4873 # -> enable ${lib}_deps_${dep}
4874 # -> add $dep to ${lib}_deps only once
4878 enabled "${lib}_deps_${dep}" && return 0
4879 enable "${lib}_deps_${dep}"
4880 prepend "${lib}_deps" $dep
4883 # merge deps lib components
4884 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4889 enabled $comp || continue
4890 eval "dep=\"\$${comp}_deps\""
4897 merge_deps libavfilter $FILTER_LIST
4899 echo "install prefix $prefix"
4900 echo "source path $source_path"
4901 echo "C compiler $cc"
4902 echo "C library $libc_type"
4903 if test "$host_cc" != "$cc"; then
4904 echo "host C compiler $host_cc"
4905 echo "host C library $host_libc_type"
4907 echo "ARCH $arch ($cpu)"
4908 if test "$build_suffix" != ""; then
4909 echo "build suffix $build_suffix"
4911 if test "$progs_suffix" != ""; then
4912 echo "progs suffix $progs_suffix"
4914 if test "$extra_version" != ""; then
4915 echo "version string suffix $extra_version"
4917 echo "big-endian ${bigendian-no}"
4918 echo "runtime cpu detection ${runtime_cpudetect-no}"
4919 if enabled x86; then
4920 echo "${yasmexe} ${yasm-no}"
4921 echo "MMX enabled ${mmx-no}"
4922 echo "MMXEXT enabled ${mmxext-no}"
4923 echo "3DNow! enabled ${amd3dnow-no}"
4924 echo "3DNow! extended enabled ${amd3dnowext-no}"
4925 echo "SSE enabled ${sse-no}"
4926 echo "SSSE3 enabled ${ssse3-no}"
4927 echo "AVX enabled ${avx-no}"
4928 echo "XOP enabled ${xop-no}"
4929 echo "FMA4 enabled ${fma4-no}"
4930 echo "i686 features enabled ${i686-no}"
4931 echo "CMOV is fast ${fast_cmov-no}"
4932 echo "EBX available ${ebx_available-no}"
4933 echo "EBP available ${ebp_available-no}"
4935 if enabled aarch64; then
4936 echo "NEON enabled ${neon-no}"
4937 echo "VFP enabled ${vfp-no}"
4939 if enabled arm; then
4940 echo "ARMv5TE enabled ${armv5te-no}"
4941 echo "ARMv6 enabled ${armv6-no}"
4942 echo "ARMv6T2 enabled ${armv6t2-no}"
4943 echo "VFP enabled ${vfp-no}"
4944 echo "NEON enabled ${neon-no}"
4945 echo "THUMB enabled ${thumb-no}"
4947 if enabled mips; then
4948 echo "MIPS FPU enabled ${mipsfpu-no}"
4949 echo "MIPS32R2 enabled ${mips32r2-no}"
4950 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4951 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4953 if enabled ppc; then
4954 echo "AltiVec enabled ${altivec-no}"
4955 echo "PPC 4xx optimizations ${ppc4xx-no}"
4956 echo "dcbzl available ${dcbzl-no}"
4958 if enabled sparc; then
4959 echo "VIS enabled ${vis-no}"
4961 echo "debug symbols ${debug-no}"
4962 echo "strip symbols ${stripping-no}"
4963 echo "optimize for size ${small-no}"
4964 echo "optimizations ${optimizations-no}"
4965 echo "static ${static-no}"
4966 echo "shared ${shared-no}"
4967 echo "postprocessing support ${postproc-no}"
4968 echo "new filter support ${avfilter-no}"
4969 echo "network support ${network-no}"
4970 echo "threading support ${thread_type-no}"
4971 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4972 echo "SDL support ${sdl-no}"
4973 echo "opencl enabled ${opencl-no}"
4974 echo "libzvbi enabled ${libzvbi-no}"
4975 echo "texi2html enabled ${texi2html-no}"
4976 echo "perl enabled ${perl-no}"
4977 echo "pod2man enabled ${pod2man-no}"
4978 echo "makeinfo enabled ${makeinfo-no}"
4979 test -n "$random_seed" &&
4980 echo "random seed ${random_seed}"
4983 echo "External libraries:"
4984 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4987 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4988 echo "Enabled ${type}s:"
4989 eval list=\$$(toupper $type)_LIST
4990 print_enabled '_*' $list | print_3_columns
4994 license="LGPL version 2.1 or later"
4995 if enabled nonfree; then
4996 license="nonfree and unredistributable"
4997 elif enabled gplv3; then
4998 license="GPL version 3 or later"
4999 elif enabled lgplv3; then
5000 license="LGPL version 3 or later"
5001 elif enabled gpl; then
5002 license="GPL version 2 or later"
5005 echo "License: $license"
5007 echo "Creating config.mak, config.h, and doc/config.texi..."
5009 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5011 enabled stripping || strip="echo skipping strip"
5013 config_files="$TMPH config.mak doc/config.texi"
5015 cat > config.mak <<EOF
5016 # Automatically generated by configure - do not modify!
5017 ifndef FFMPEG_CONFIG_MAK
5019 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5021 LIBDIR=\$(DESTDIR)$libdir
5022 SHLIBDIR=\$(DESTDIR)$shlibdir
5023 INCDIR=\$(DESTDIR)$incdir
5024 BINDIR=\$(DESTDIR)$bindir
5025 DATADIR=\$(DESTDIR)$datadir
5026 DOCDIR=\$(DESTDIR)$docdir
5027 MANDIR=\$(DESTDIR)$mandir
5028 SRC_PATH=$source_path
5029 ifndef MAIN_MAKEFILE
5030 SRC_PATH:=\$(SRC_PATH:.%=..%)
5039 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5041 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5069 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5070 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5071 YASMFLAGS=$YASMFLAGS
5072 BUILDSUF=$build_suffix
5073 PROGSSUF=$progs_suffix
5081 EXTRA_VERSION=$extra_version
5084 CCDEP_FLAGS=$CCDEP_FLAGS
5086 ASDEP_FLAGS=$ASDEP_FLAGS
5087 CC_DEPFLAGS=$CC_DEPFLAGS
5088 AS_DEPFLAGS=$AS_DEPFLAGS
5091 HOSTCFLAGS=$host_cflags
5092 HOSTCPPFLAGS=$host_cppflags
5093 HOSTEXESUF=$HOSTEXESUF
5094 HOSTLDFLAGS=$host_ldflags
5097 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5098 HOSTCCDEP=$HOSTCCDEP
5099 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5100 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5104 TARGET_EXEC=$target_exec $target_exec_args
5105 TARGET_PATH=$target_path
5106 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5107 CFLAGS-ffplay=$sdl_cflags
5108 ZLIB=$($ldflags_filter -lz)
5109 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5110 EXTRALIBS=$extralibs
5111 COMPAT_OBJS=$compat_objs
5114 LIBTARGET=${LIBTARGET}
5115 SLIBNAME=${SLIBNAME}
5116 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5117 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5118 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5119 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5120 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5121 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5122 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5123 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5124 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5125 NOREDZONE_FLAGS=$noredzone_flags
5130 name=$(toupper $lcname)
5131 file=$source_path/$lcname/version.h
5132 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5133 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5134 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5135 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5136 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5137 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5140 map 'get_version $v' $LIBRARY_LIST
5142 print_program_libs(){
5143 eval "program_libs=\$${1}_libs"
5144 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5147 map 'print_program_libs $v' $PROGRAM_LIST
5150 /* Automatically generated by configure - do not modify! */
5151 #ifndef FFMPEG_CONFIG_H
5152 #define FFMPEG_CONFIG_H
5153 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5154 #define FFMPEG_LICENSE "$(c_escape $license)"
5155 #define CONFIG_THIS_YEAR 2014
5156 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5157 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5158 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5159 #define av_restrict $_restrict
5160 #define EXTERN_PREFIX "${extern_prefix}"
5161 #define EXTERN_ASM ${extern_prefix}
5162 #define BUILDSUF "$build_suffix"
5163 #define SLIBSUF "$SLIBSUF"
5164 #define HAVE_MMX2 HAVE_MMXEXT
5167 test -n "$assert_level" &&
5168 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5170 test -n "$malloc_prefix" &&
5171 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5173 if enabled yasm; then
5174 append config_files $TMPASM
5178 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5182 echo "@c auto-generated by configure" > doc/config.texi
5184 print_config ARCH_ "$config_files" $ARCH_LIST
5185 print_config HAVE_ "$config_files" $HAVE_LIST
5186 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5190 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5191 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5193 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5194 cp_if_changed $TMPH config.h
5197 enabled yasm && cp_if_changed $TMPASM config.asm
5200 /* Generated by ffconf */
5201 #ifndef AVUTIL_AVCONFIG_H
5202 #define AVUTIL_AVCONFIG_H
5205 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5207 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5209 cp_if_changed $TMPH libavutil/avconfig.h
5211 if test -n "$WARNINGS"; then
5212 printf "\n$WARNINGS"
5213 enabled fatal_warnings && exit 1
5216 # build pkg-config files
5218 pkgconfig_generate(){
5220 shortname=${name#lib}${build_suffix}
5225 enabled ${name#lib} || return 0
5227 cat <<EOF > $name/$name${build_suffix}.pc
5229 exec_prefix=\${prefix}
5234 Description: $comment
5236 Requires: $(enabled shared || echo $requires)
5237 Requires.private: $(enabled shared && echo $requires)
5239 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5240 Libs.private: $(enabled shared && echo $libs)
5241 Cflags: -I\${includedir}
5244 mkdir -p doc/examples/pc-uninstalled
5245 includedir=${source_path}
5246 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5247 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5250 libdir=\${pcfiledir}/../../../$name
5251 includedir=${includedir}
5254 Description: $comment
5258 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5259 Cflags: -I\${includedir}
5263 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5264 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5265 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5266 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5267 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5268 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5269 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5270 lavfi_libs=${lavfi_libs%, }
5272 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5273 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5275 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5276 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5277 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5278 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5279 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5280 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5281 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5282 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5283 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"