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 [LIBDIR]
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
92 use rpath when linking programs [USE WITH CARE]
95 --enable-gpl allow use of GPL code, the resulting libs
96 and binaries will be under GPL [no]
97 --enable-version3 upgrade (L)GPL to version 3 [no]
98 --enable-nonfree allow use of nonfree code, the resulting libs
99 and binaries will be unredistributable [no]
101 Configuration options:
102 --disable-static do not build static libraries [no]
103 --enable-shared build shared libraries [no]
104 --enable-small optimize for size instead of speed
105 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
106 --enable-gray enable full grayscale support (slower color)
107 --disable-swscale-alpha disable alpha channel support in swscale
108 --disable-all disable building components, libraries and programs
109 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [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 [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
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
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-dxva2 disable DXVA2 code [autodetect]
153 --disable-vaapi disable VAAPI code [autodetect]
154 --disable-vda disable VDA code [autodetect]
155 --disable-vdpau disable VDPAU code [autodetect]
157 Individual component options:
158 --disable-everything disable all components listed below
159 --disable-encoder=NAME disable encoder NAME
160 --enable-encoder=NAME enable encoder NAME
161 --disable-encoders disable all encoders
162 --disable-decoder=NAME disable decoder NAME
163 --enable-decoder=NAME enable decoder NAME
164 --disable-decoders disable all decoders
165 --disable-hwaccel=NAME disable hwaccel NAME
166 --enable-hwaccel=NAME enable hwaccel NAME
167 --disable-hwaccels disable all hwaccels
168 --disable-muxer=NAME disable muxer NAME
169 --enable-muxer=NAME enable muxer NAME
170 --disable-muxers disable all muxers
171 --disable-demuxer=NAME disable demuxer NAME
172 --enable-demuxer=NAME enable demuxer NAME
173 --disable-demuxers disable all demuxers
174 --enable-parser=NAME enable parser NAME
175 --disable-parser=NAME disable parser NAME
176 --disable-parsers disable all parsers
177 --enable-bsf=NAME enable bitstream filter NAME
178 --disable-bsf=NAME disable bitstream filter NAME
179 --disable-bsfs disable all bitstream filters
180 --enable-protocol=NAME enable protocol NAME
181 --disable-protocol=NAME disable protocol NAME
182 --disable-protocols disable all protocols
183 --enable-indev=NAME enable input device NAME
184 --disable-indev=NAME disable input device NAME
185 --disable-indevs disable input devices
186 --enable-outdev=NAME enable output device NAME
187 --disable-outdev=NAME disable output device NAME
188 --disable-outdevs disable output devices
189 --disable-devices disable all devices
190 --enable-filter=NAME enable filter NAME
191 --disable-filter=NAME disable filter NAME
192 --disable-filters disable all filters
194 External library support:
195 --enable-avisynth enable reading of AviSynth script files [no]
196 --disable-bzlib disable bzlib [autodetect]
197 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
198 --enable-frei0r enable frei0r video filtering [no]
199 --enable-gnutls enable gnutls, needed for https support
200 if openssl is not used [no]
201 --disable-iconv disable iconv [autodetect]
202 --enable-ladspa enable LADSPA audio filtering [no]
203 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
204 --enable-libass enable libass subtitles rendering,
205 needed for subtitles and ass filter [no]
206 --enable-libbluray enable BluRay reading using libbluray [no]
207 --enable-libbs2b enable bs2b DSP library [no]
208 --enable-libcaca enable textual display using libcaca [no]
209 --enable-libcelt enable CELT decoding via libcelt [no]
210 --enable-libcdio enable audio CD grabbing with libcdio [no]
211 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
213 --enable-libdcadec enable DCA decoding via libdcadec [no]
214 --enable-libfaac enable AAC encoding via libfaac [no]
215 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
216 --enable-libflite enable flite (voice synthesis) support via libflite [no]
217 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
218 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
219 --enable-libgme enable Game Music Emu via libgme [no]
220 --enable-libgsm enable GSM de/encoding via libgsm [no]
221 --enable-libiec61883 enable iec61883 via libiec61883 [no]
222 --enable-libilbc enable iLBC de/encoding via libilbc [no]
223 --enable-libmfx enable HW acceleration through libmfx
224 --enable-libmodplug enable ModPlug via libmodplug [no]
225 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
226 --enable-libnut enable NUT (de)muxing via libnut,
227 native (de)muxer exists [no]
228 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
229 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
230 --enable-libopencv enable video filtering via libopencv [no]
231 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
232 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
233 --enable-libopus enable Opus de/encoding via libopus [no]
234 --enable-libpulse enable Pulseaudio input via libpulse [no]
235 --enable-libquvi enable quvi input via libquvi [no]
236 --enable-librtmp enable RTMP[E] support via librtmp [no]
237 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
238 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
239 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
240 --enable-libsoxr enable Include libsoxr resampling [no]
241 --enable-libspeex enable Speex de/encoding via libspeex [no]
242 --enable-libssh enable SFTP protocol via libssh [no]
243 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
244 --enable-libtheora enable Theora encoding via libtheora [no]
245 --enable-libtwolame enable MP2 encoding via libtwolame [no]
246 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
247 --enable-libv4l2 enable libv4l2/v4l-utils [no]
248 --enable-libvidstab enable video stabilization using vid.stab [no]
249 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
250 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
251 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
252 native implementation exists [no]
253 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
254 --enable-libwavpack enable wavpack encoding via libwavpack [no]
255 --enable-libwebp enable WebP encoding via libwebp [no]
256 --enable-libx264 enable H.264 encoding via x264 [no]
257 --enable-libx265 enable HEVC encoding via x265 [no]
258 --enable-libxavs enable AVS encoding via xavs [no]
259 --enable-libxcb enable X11 grabbing using XCB [autodetect]
260 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
261 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
262 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
263 --enable-libxvid enable Xvid encoding via xvidcore,
264 native MPEG-4/Xvid encoder exists [no]
265 --enable-libzmq enable message passing via libzmq [no]
266 --enable-libzvbi enable teletext support via libzvbi [no]
267 --disable-lzma disable lzma [autodetect]
268 --enable-decklink enable Blackmagick DeckLink I/O support [no]
269 --enable-nvenc enable NVIDIA NVENC support [no]
270 --enable-openal enable OpenAL 1.1 capture support [no]
271 --enable-opencl enable OpenCL code
272 --enable-opengl enable OpenGL rendering [no]
273 --enable-openssl enable openssl, needed for https support
274 if gnutls is not used [no]
275 --disable-sdl disable sdl [autodetect]
276 --enable-x11grab enable X11 grabbing (legacy) [no]
277 --disable-xlib disable xlib [autodetect]
278 --disable-zlib disable zlib [autodetect]
281 --arch=ARCH select architecture [$arch]
282 --cpu=CPU select the minimum required CPU (affects
283 instruction selection, may crash on older CPUs)
284 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
285 --progs-suffix=SUFFIX program name suffix []
286 --enable-cross-compile assume a cross-compiler is used
287 --sysroot=PATH root of cross-build tree
288 --sysinclude=PATH location of cross-build system headers
289 --target-os=OS compiler targets OS [$target_os]
290 --target-exec=CMD command to run executables on target
291 --target-path=DIR path to view of build directory on target
292 --target-samples=DIR path to samples directory on target
293 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
294 --toolchain=NAME set tool defaults according to NAME
295 --nm=NM use nm tool NM [$nm_default]
296 --ar=AR use archive tool AR [$ar_default]
297 --as=AS use assembler AS [$as_default]
298 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
299 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
300 --cc=CC use C compiler CC [$cc_default]
301 --cxx=CXX use C compiler CXX [$cxx_default]
302 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
303 --ld=LD use linker LD [$ld_default]
304 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
305 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
306 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
307 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
308 --host-cc=HOSTCC use host C compiler HOSTCC
309 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
310 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
311 --host-ld=HOSTLD use host linker HOSTLD
312 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
313 --host-libs=HLIBS use libs HLIBS when linking for host
314 --host-os=OS compiler host OS [$target_os]
315 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
316 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
317 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
318 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
319 --extra-libs=ELIBS add ELIBS [$ELIBS]
320 --extra-version=STRING version string suffix []
321 --optflags=OPTFLAGS override optimization-related compiler flags
322 --build-suffix=SUFFIX library name suffix []
323 --enable-pic build position-independent code
324 --enable-thumb compile for Thumb instruction set
325 --enable-lto use link-time optimization
327 Advanced options (experts only):
328 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
329 --disable-symver disable symbol versioning
330 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
331 --disable-safe-bitstream-reader
332 disable buffer boundary checking in bitreaders
333 (faster, but may crash)
334 --enable-memalign-hack emulate memalign, interferes with memory debuggers
335 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
337 Optimization options (experts only):
338 --disable-asm disable all assembly optimizations
339 --disable-altivec disable AltiVec optimizations
340 --disable-amd3dnow disable 3DNow! optimizations
341 --disable-amd3dnowext disable 3DNow! extended optimizations
342 --disable-mmx disable MMX optimizations
343 --disable-mmxext disable MMXEXT optimizations
344 --disable-sse disable SSE optimizations
345 --disable-sse2 disable SSE2 optimizations
346 --disable-sse3 disable SSE3 optimizations
347 --disable-ssse3 disable SSSE3 optimizations
348 --disable-sse4 disable SSE4 optimizations
349 --disable-sse42 disable SSE4.2 optimizations
350 --disable-avx disable AVX optimizations
351 --disable-xop disable XOP optimizations
352 --disable-fma3 disable FMA3 optimizations
353 --disable-fma4 disable FMA4 optimizations
354 --disable-avx2 disable AVX2 optimizations
355 --disable-armv5te disable armv5te optimizations
356 --disable-armv6 disable armv6 optimizations
357 --disable-armv6t2 disable armv6t2 optimizations
358 --disable-vfp disable VFP optimizations
359 --disable-neon disable NEON optimizations
360 --disable-inline-asm disable use of inline assembly
361 --disable-yasm disable use of nasm/yasm assembly
362 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
363 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
364 --disable-mipsfpu disable floating point MIPS optimizations
365 --disable-fast-unaligned consider unaligned accesses slow
367 Developer options (useful when working on FFmpeg itself):
368 --disable-debug disable debugging symbols
369 --enable-debug=LEVEL set the debug level [$debuglevel]
370 --disable-optimizations disable compiler optimizations
371 --enable-extra-warnings enable more compiler warnings
372 --disable-stripping disable stripping of executables and shared libraries
373 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
374 2 causes a slowdown at runtime.
375 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
376 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
377 leaks and errors, using the specified valgrind binary.
378 Cannot be combined with --target-exec
379 --enable-ftrapv Trap arithmetic overflows
380 --samples=PATH location of test samples for FATE, if not set use
381 \$FATE_SAMPLES at make invocation time.
382 --enable-neon-clobber-test check NEON registers for clobbering (should be
383 used only for debugging purposes)
384 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
385 should be used only for debugging purposes)
386 --enable-random randomly enable/disable components
388 --enable-random=LIST randomly enable/disable specific components or
389 --disable-random=LIST component groups. LIST is a comma-separated list
390 of NAME[:PROB] entries where NAME is a component
391 (group) and PROB the probability associated with
393 --random-seed=VALUE seed value for --enable/disable-random
395 NOTE: Object files are built at the place where configure is launched.
403 echo "$@" >> $logfile
408 pr -n -t $1 >> $logfile
419 WARNINGS="${WARNINGS}WARNING: $*\n"
426 If you think configure made a mistake, make sure you are using the latest
427 version from Git. If the latest version fails, report the problem to the
428 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
430 if disabled logging; then
432 Rerun configure with logging enabled (do not use --disable-logging), and
433 include the log this produces with your report.
437 Include the log file "$logfile" produced by configure as this will help
444 # Avoid locale weirdness, besides we really just want to translate ASCII.
446 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
450 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
454 echo "$*" | sed 's/["\\]/\\\0/g'
458 v=$(echo "$1" | sed "s/'/'\\\\''/g")
459 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
464 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
471 eval "case $v in $pat) echo $v ;; esac"
479 eval "case $v in $pat) ;; *) echo $v ;; esac"
486 for v; do eval $m; done
492 for v; do echo ${v}${suffix}; done
507 eval : \${$var:=$value}
512 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
518 eval $(sanitize_var_name "$var")='$*'
522 eval echo \$$(sanitize_var_name "$1")
527 eval level=\${${pvar}_level:=0}
528 eval ${pvar}_${level}="\$$pvar"
529 eval ${pvar}_level=$(($level+1))
535 eval level=\${${pvar}_level:-0}
536 test $level = 0 && continue
537 eval level=$(($level-1))
538 eval $pvar="\${${pvar}_${level}}"
539 eval ${pvar}_level=$level
540 eval unset ${pvar}_${level}
562 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
568 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
574 enabled $var && continue
575 eval sel="\$${var}_select"
576 eval sgs="\$${var}_suggest"
580 enable_deep_weak $sgs
592 disabled $var && continue
601 test "${1#!}" = "$1" && op== || op=!=
602 eval test "x\$${1#!}" $op "xyes"
606 test "${1#!}" = "$1" && op== || op=!=
607 eval test "x\$${1#!}" $op "xno"
612 enabled $opt || return 1
618 disabled $opt || return 1
624 enabled $opt && return 0
630 disabled $opt && return 0
637 eval : \${$opt:=\$${opt}_default}
645 [ $var = $value ] && return 0
653 enabled ${cfg}_checking && die "Circular dependency for $cfg."
654 disabled ${cfg}_checking && continue
655 enable ${cfg}_checking
658 eval dep_all="\$${cfg}_deps"
659 eval dep_any="\$${cfg}_deps_any"
660 eval dep_sel="\$${cfg}_select"
661 eval dep_sgs="\$${cfg}_suggest"
662 eval dep_ifa="\$${cfg}_if"
663 eval dep_ifn="\$${cfg}_if_any"
665 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
666 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
667 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
669 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
670 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
671 enabled_all $dep_all || disable $cfg
672 enabled_any $dep_any || disable $cfg
673 disabled_any $dep_sel && disable $cfg
675 if enabled $cfg; then
677 enable_deep_weak $dep_sgs
680 disable ${cfg}_checking
689 for cfg in $allopts; do
690 enabled $cfg || continue
691 eval dep_extralibs="\$${cfg}_extralibs"
692 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
700 map 'eval echo "$v \${$v:-no}"' "$@" |
701 awk "BEGIN { split(\"$files\", files) }
703 c = \"$pfx\" toupper(\$1);
709 if (file ~ /\\.h\$/) {
710 printf(\"#define %s %d\\n\", c, v) >>file;
711 } else if (file ~ /\\.asm\$/) {
712 printf(\"%%define %s %d\\n\", c, v) >>file;
713 } else if (file ~ /\\.mak\$/) {
714 n = -v ? \"\" : \"!\";
715 printf(\"%s%s=yes\\n\", n, c) >>file;
716 } else if (file ~ /\\.texi\$/) {
717 pre = -v ? \"\" : \"@c \";
720 gsub(/_/, \"-\", c2);
721 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
731 enabled $v && printf "%s\n" ${v%$suf};
738 eval "$var=\"\$$var $*\""
744 eval "$var=\"$* \$$var\""
750 for tok in $(eval echo \$$var); do
751 uniq_list="$(filter_out $tok $uniq_list) $tok"
753 eval "$var=\"${uniq_list}\""
761 append CFLAGS $($cflags_filter "$@")
765 append CXXFLAGS $($cflags_filter "$@")
769 append ASFLAGS $($asflags_filter "$@")
773 append LDFLAGS $($ldflags_filter "$@")
777 append LDEXEFLAGS $($ldflags_filter "$@")
781 append ASMSTRIPFLAGS "$@"
785 prepend extralibs $($ldflags_filter "$@")
789 append host_cppflags "$@"
793 append host_cflags $($host_cflags_filter "$@")
797 append host_ldflags $($host_ldflags_filter "$@")
801 append compat_objs $1
803 map 'add_cppflags -D$v' "$@"
808 "$@" >> $logfile 2>&1
813 stat "$1" >> $logfile 2>&1
817 eval printf '%s\\n' $CC_O
821 eval printf '%s\\n' $CC_E
828 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
835 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
842 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
849 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
853 eval printf '%s\\n' $AS_O
860 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
864 log check_inline_asm "$@"
869 check_cc "$@" <<EOF && enable $name
870 void foo(void){ __asm__ volatile($code); }
876 check_inline_asm ${1}_inline "\"$2\""
877 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
885 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
889 eval printf '%s\\n' $LD_O
896 flags=$(filter_out '-l*|*.so' $@)
897 libs=$(filter '-l*|*.so' $@)
898 check_$type $($cflags_filter $flags) || return
899 flags=$($ldflags_filter $flags)
900 libs=$($ldflags_filter $libs)
901 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
906 test "${hdr%.h}" = "${hdr}" &&
907 echo "#include $hdr" ||
908 echo "#include <$hdr>"
918 for hdr in $headers; do
921 echo "int main(void) { $code; return 0; }"
922 } | check_$check "$@"
926 log check_cppflags "$@"
927 check_cc "$@" <<EOF && append CPPFLAGS "$@"
934 set -- $($cflags_filter "$@")
941 log check_cflags "$@"
942 test_cflags "$@" && add_cflags "$@"
946 log check_cxxflags "$@"
947 set -- $($cflags_filter "$@")
948 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
954 log test_ldflags "$@"
955 check_ld "cc" "$@" <<EOF
956 int main(void){ return 0; }
961 log check_ldflags "$@"
962 test_ldflags "$@" && add_ldflags "$@"
966 log test_stripflags "$@"
967 # call check_cc to get a fresh TMPO
969 int main(void) { return 0; }
971 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
975 log check_stripflags "$@"
976 test_stripflags "$@" && add_stripflags "$@"
980 log check_header "$@"
984 check_cpp "$@" <<EOF && enable_safe $header
991 log check_header_oc "$@"
997 echo "#include <$header>"
998 echo "int main(void) { return 0; }"
999 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1007 check_ld "cc" "$@" <<EOF && enable $func
1009 int main(void){ $func(); }
1014 log check_mathfunc "$@"
1018 test $narg = 2 && args="f, g" || args="f"
1020 check_ld "cc" "$@" <<EOF && enable $func
1022 float foo(float f, float g) { return $func($args); }
1023 int main(void){ return (int) foo; }
1027 check_func_headers(){
1028 log check_func_headers "$@"
1033 for hdr in $headers; do
1036 for func in $funcs; do
1037 echo "long check_$func(void) { return (long) $func; }"
1039 echo "int main(void) { return 0; }"
1040 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1043 check_class_headers_cpp(){
1044 log check_class_headers_cpp "$@"
1049 for hdr in $headers; do
1050 echo "#include <$hdr>"
1052 echo "int main(void) { "
1054 for class in $classes; do
1055 echo "$class obj$i;"
1059 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1062 check_cpp_condition(){
1063 log check_cpp_condition "$@"
1067 check_cpp "$@" <<EOF
1070 #error "unsatisfied condition: $condition"
1080 check_header $header && check_func $func "$@" && add_extralibs "$@"
1088 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1092 log check_lib_cpp "$@"
1096 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1100 log check_pkg_config "$@"
1106 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1107 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1108 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1109 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1110 set_safe ${pkg}_cflags $pkg_cflags &&
1111 set_safe ${pkg}_libs $pkg_libs
1115 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1121 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1122 # are safe but may not be available everywhere. Thus we use
1123 # raise(SIGTERM) instead. The check is run in a subshell so we
1124 # can redirect the "Terminated" message from the shell. SIGBUS
1125 # is not defined by standard C so it is used conditionally.
1127 (check_exec "$@") >> $logfile 2>&1 <<EOF
1129 static void sighandler(int sig){
1135 int (*func_ptr)(void) = foo;
1137 signal(SIGILL, sighandler);
1138 signal(SIGFPE, sighandler);
1139 signal(SIGSEGV, sighandler);
1141 signal(SIGBUS, sighandler);
1153 disable_safe "$type"
1154 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1158 log check_struct "$@"
1163 disable_safe "${struct}_${member}"
1164 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1165 enable_safe "${struct}_${member}"
1169 log check_builtin "$@"
1175 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1178 check_compile_assert(){
1179 log check_compile_assert "$@"
1185 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1193 check_lib $header $func "$@" || die "ERROR: $name not found"
1201 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1209 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1214 check_pkg_config "$@" || return 1
1215 add_cflags $(get_safe ${pkg}_cflags)
1216 add_extralibs $(get_safe ${pkg}_libs)
1219 require_pkg_config(){
1220 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1223 require_libfreetype(){
1224 log require_libfreetype "$@"
1226 check_cmd $pkg_config --exists --print-errors $pkg \
1227 || die "ERROR: $pkg not found"
1228 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1229 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1231 echo "#include <ft2build.h>"
1232 echo "#include FT_FREETYPE_H"
1233 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1234 echo "int main(void) { return 0; }"
1235 } | check_ld "cc" $pkg_cflags $pkg_libs \
1236 && set_safe ${pkg}_cflags $pkg_cflags \
1237 && set_safe ${pkg}_libs $pkg_libs \
1238 || die "ERROR: $pkg not found"
1239 add_cflags $(get_safe ${pkg}_cflags)
1240 add_extralibs $(get_safe ${pkg}_libs)
1244 eval printf '%s\\n' $HOSTCC_E
1248 eval printf '%s\\n' $HOSTCC_O
1252 log check_host_cc "$@"
1255 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1259 log check_host_cpp "$@"
1262 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1265 check_host_cppflags(){
1266 log check_host_cppflags "$@"
1267 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1272 check_host_cflags(){
1273 log check_host_cflags "$@"
1274 set -- $($host_cflags_filter "$@")
1275 check_host_cc "$@" <<EOF && append host_cflags "$@"
1280 check_host_cpp_condition(){
1281 log check_host_cpp_condition "$@"
1285 check_host_cpp "$@" <<EOF
1288 #error "unsatisfied condition: $condition"
1296 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1300 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1301 mkdir -p "$(dirname $2)"
1305 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1306 # system-dependent things.
1323 avio_reading_example
1324 decoding_encoding_example
1325 demuxing_decoding_example
1327 filter_audio_example
1328 filtering_audio_example
1329 filtering_video_example
1334 resampling_audio_example
1335 scaling_video_example
1336 transcode_aac_example
1340 EXTERNAL_LIBRARY_LIST="
1434 safe_bitstream_reader
1493 $EXTERNAL_LIBRARY_LIST
1501 incompatible_libav_abi
1562 ARCH_EXT_LIST_MIPS="
1569 ARCH_EXT_LIST_X86_SIMD="
1596 $ARCH_EXT_LIST_X86_SIMD
1622 atomic_compare_exchange
1628 sync_val_compare_and_swap
1639 incompatible_libav_abi
1648 cdio_paranoia_paranoia_h
1649 dev_bktr_ioctl_bt848_h
1650 dev_bktr_ioctl_meteor_h
1652 dev_video_bktr_ioctl_bt848_h
1653 dev_video_meteor_ioctl_meteor_h
1661 machine_ioctl_bt848_h
1662 machine_ioctl_meteor_h
1664 openjpeg_1_5_openjpeg_h
1731 GetProcessAffinityMask
1732 GetProcessMemoryInfo
1736 GetSystemTimeAsFileTime
1743 jack_port_get_latency_range
1758 SetConsoleTextAttribute
1770 TOOLCHAIN_FEATURES="
1783 inline_asm_nonlocal_labels
1784 inline_asm_direct_symbol_refs
1795 CONDITION_VARIABLE_Ptr
1799 struct_group_source_req
1800 struct_ip_mreq_source
1803 struct_rusage_ru_maxrss
1804 struct_sctp_event_subscribe
1806 struct_sockaddr_sa_len
1807 struct_sockaddr_storage
1808 struct_stat_st_mtim_tv_nsec
1809 struct_v4l2_frmivalenum_discrete
1814 $(add_suffix _external $ARCH_EXT_LIST)
1815 $(add_suffix _inline $ARCH_EXT_LIST)
1848 # options emitted with CONFIG_ prefix but not available on the command line
1863 frame_thread_encoder
1987 # code dependency declarations
1989 # architecture extensions
1994 armv8_deps="aarch64"
1995 neon_deps_any="aarch64 arm"
1996 intrinsics_neon_deps="neon"
1997 vfp_deps_any="aarch64 arm"
2001 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2004 mipsdspr1_deps="mips"
2005 mipsdspr2_deps="mips"
2012 x86_64_select="i686"
2013 x86_64_suggest="fast_cmov"
2016 amd3dnowext_deps="amd3dnow"
2032 mmx_external_deps="yasm"
2033 mmx_inline_deps="inline_asm"
2034 mmx_suggest="mmx_external mmx_inline"
2036 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2037 eval dep=\$${ext}_deps
2038 eval ${ext}_external_deps='"${dep}_external"'
2039 eval ${ext}_inline_deps='"${dep}_inline"'
2040 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2043 aligned_stack_if_any="aarch64 ppc x86"
2044 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2045 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2046 fast_unaligned_if_any="aarch64 ppc x86"
2047 simd_align_16_if_any="altivec neon sse"
2049 # system capabilities
2051 symver_if_any="symver_asm_label symver_gnu_asm"
2054 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2055 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2056 atomics_win32_if="MemoryBarrier"
2057 atomics_native_if_any="$ATOMICS_LIST"
2058 w32threads_deps="atomics_native"
2059 threads_if_any="$THREADS_LIST"
2063 error_resilience_select="me_cmp"
2064 faandct_deps="faan fdctdsp"
2065 faanidct_deps="faan idctdsp"
2066 frame_thread_encoder_deps="encoders threads"
2067 intrax8_select="error_resilience"
2070 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2071 mpeg_er_select="error_resilience"
2072 mpegaudio_select="mpegaudiodsp"
2073 mpegaudiodsp_select="dct"
2074 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2075 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2077 # decoders / encoders
2078 aac_decoder_select="imdct15 mdct sinewin"
2079 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2080 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2081 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2082 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2083 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2084 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2085 aic_decoder_select="golomb idctdsp"
2086 alac_encoder_select="lpc"
2087 als_decoder_select="bswapdsp"
2088 amrnb_decoder_select="lsp"
2089 amrwb_decoder_select="lsp"
2090 amv_decoder_select="sp5x_decoder exif"
2091 amv_encoder_select="aandcttables mpegvideoenc"
2092 ape_decoder_select="bswapdsp llauddsp"
2093 apng_decoder_select="zlib"
2094 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2095 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2096 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2097 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2098 atrac1_decoder_select="mdct sinewin"
2099 atrac3_decoder_select="mdct"
2100 atrac3p_decoder_select="mdct sinewin"
2101 avrn_decoder_select="exif"
2102 bink_decoder_select="blockdsp hpeldsp"
2103 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2104 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2105 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2106 cllc_decoder_select="bswapdsp"
2107 comfortnoise_encoder_select="lpc"
2108 cook_decoder_select="audiodsp mdct sinewin"
2109 cscd_decoder_select="lzo"
2110 cscd_decoder_suggest="zlib"
2111 dca_decoder_select="fmtconvert mdct"
2112 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2113 dnxhd_decoder_select="blockdsp idctdsp"
2114 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2115 dvvideo_decoder_select="dvprofile idctdsp"
2116 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2117 dxa_decoder_select="zlib"
2118 eac3_decoder_select="ac3_decoder"
2119 eac3_encoder_select="ac3_encoder"
2120 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2121 eatgq_decoder_select="aandcttables"
2122 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2123 exr_decoder_select="zlib"
2124 ffv1_decoder_select="golomb rangecoder"
2125 ffv1_encoder_select="rangecoder"
2126 ffvhuff_decoder_select="huffyuv_decoder"
2127 ffvhuff_encoder_select="huffyuv_encoder"
2128 fic_decoder_select="golomb"
2129 flac_decoder_select="golomb"
2130 flac_encoder_select="bswapdsp golomb lpc"
2131 flashsv_decoder_select="zlib"
2132 flashsv_encoder_select="zlib"
2133 flashsv2_encoder_select="zlib"
2134 flashsv2_decoder_select="zlib"
2135 flv_decoder_select="h263_decoder"
2136 flv_encoder_select="h263_encoder"
2137 fourxm_decoder_select="blockdsp bswapdsp"
2138 fraps_decoder_select="bswapdsp huffman"
2139 g2m_decoder_select="blockdsp idctdsp zlib"
2140 g729_decoder_select="audiodsp"
2141 h261_decoder_select="mpeg_er mpegvideo"
2142 h261_encoder_select="aandcttables mpegvideoenc"
2143 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2144 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2145 h263i_decoder_select="h263_decoder"
2146 h263p_encoder_select="h263_encoder"
2147 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2148 h264_decoder_suggest="error_resilience"
2149 h264_qsv_decoder_deps="libmfx"
2150 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsv h264_qsv_hwaccel"
2151 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2152 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2153 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2154 iac_decoder_select="imc_decoder"
2155 imc_decoder_select="bswapdsp fft mdct sinewin"
2156 indeo3_decoder_select="hpeldsp"
2157 interplay_video_decoder_select="hpeldsp"
2158 jpegls_decoder_select="golomb mjpeg_decoder"
2159 jpegls_encoder_select="golomb"
2160 jv_decoder_select="blockdsp"
2161 lagarith_decoder_select="huffyuvdsp"
2162 ljpeg_encoder_select="aandcttables idctdsp"
2163 loco_decoder_select="golomb"
2164 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2165 metasound_decoder_select="lsp mdct sinewin"
2166 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2167 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2168 mjpeg_encoder_select="aandcttables mpegvideoenc"
2169 mjpegb_decoder_select="mjpeg_decoder"
2170 mlp_decoder_select="mlp_parser"
2171 motionpixels_decoder_select="bswapdsp"
2172 mp1_decoder_select="mpegaudio"
2173 mp1float_decoder_select="mpegaudio"
2174 mp2_decoder_select="mpegaudio"
2175 mp2float_decoder_select="mpegaudio"
2176 mp3_decoder_select="mpegaudio"
2177 mp3adu_decoder_select="mpegaudio"
2178 mp3adufloat_decoder_select="mpegaudio"
2179 mp3float_decoder_select="mpegaudio"
2180 mp3on4_decoder_select="mpegaudio"
2181 mp3on4float_decoder_select="mpegaudio"
2182 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2183 mpc8_decoder_select="mpegaudiodsp"
2184 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2185 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2186 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2187 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2188 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2189 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2190 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2191 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2192 mpeg4_encoder_select="h263_encoder"
2193 msmpeg4v1_decoder_select="h263_decoder"
2194 msmpeg4v2_decoder_select="h263_decoder"
2195 msmpeg4v2_encoder_select="h263_encoder"
2196 msmpeg4v3_decoder_select="h263_decoder"
2197 msmpeg4v3_encoder_select="h263_encoder"
2198 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2199 mxpeg_decoder_select="mjpeg_decoder"
2200 nellymoser_decoder_select="mdct sinewin"
2201 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2202 nuv_decoder_select="idctdsp lzo"
2203 on2avc_decoder_select="mdct"
2204 opus_decoder_deps="swresample"
2205 opus_decoder_select="imdct15"
2206 png_decoder_select="zlib"
2207 png_encoder_select="huffyuvencdsp zlib"
2208 prores_decoder_select="blockdsp idctdsp"
2209 prores_encoder_select="fdctdsp"
2210 qcelp_decoder_select="lsp"
2211 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2212 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2213 ra_144_decoder_select="audiodsp"
2214 ralf_decoder_select="golomb"
2215 rawvideo_decoder_select="bswapdsp"
2216 rtjpeg_decoder_select="me_cmp"
2217 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2218 rv10_encoder_select="h263_encoder"
2219 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2220 rv20_encoder_select="h263_encoder"
2221 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2222 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2223 shorten_decoder_select="golomb"
2224 sipr_decoder_select="lsp"
2225 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2226 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2227 sonic_decoder_select="golomb rangecoder"
2228 sonic_encoder_select="golomb rangecoder"
2229 sonic_ls_encoder_select="golomb rangecoder"
2230 sp5x_decoder_select="mjpeg_decoder"
2231 svq1_decoder_select="hpeldsp"
2232 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2233 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2234 svq3_decoder_suggest="zlib"
2235 tak_decoder_select="audiodsp"
2236 tdsc_decoder_select="zlib mjpeg_decoder"
2237 theora_decoder_select="vp3_decoder"
2238 thp_decoder_select="mjpeg_decoder"
2239 tiff_decoder_suggest="zlib lzma"
2240 tiff_encoder_suggest="zlib"
2241 truehd_decoder_select="mlp_parser"
2242 truemotion2_decoder_select="bswapdsp"
2243 truespeech_decoder_select="bswapdsp"
2244 tscc_decoder_select="zlib"
2245 twinvq_decoder_select="mdct lsp sinewin"
2246 utvideo_decoder_select="bswapdsp"
2247 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2248 vble_decoder_select="huffyuvdsp"
2249 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2250 vc1image_decoder_select="vc1_decoder"
2251 vorbis_decoder_select="mdct"
2252 vorbis_encoder_select="mdct"
2253 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2254 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2255 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2256 vp6a_decoder_select="vp6_decoder"
2257 vp6f_decoder_select="vp6_decoder"
2258 vp7_decoder_select="h264pred videodsp"
2259 vp8_decoder_select="h264pred videodsp"
2260 vp9_decoder_select="videodsp vp9_parser"
2261 webp_decoder_select="vp8_decoder"
2262 wmalossless_decoder_select="llauddsp"
2263 wmapro_decoder_select="mdct sinewin wma_freqs"
2264 wmav1_decoder_select="mdct sinewin wma_freqs"
2265 wmav1_encoder_select="mdct sinewin wma_freqs"
2266 wmav2_decoder_select="mdct sinewin wma_freqs"
2267 wmav2_encoder_select="mdct sinewin wma_freqs"
2268 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2269 wmv1_decoder_select="h263_decoder"
2270 wmv1_encoder_select="h263_encoder"
2271 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2272 wmv2_encoder_select="h263_encoder"
2273 wmv3_decoder_select="vc1_decoder"
2274 wmv3image_decoder_select="wmv3_decoder"
2275 zerocodec_decoder_select="zlib"
2276 zlib_decoder_select="zlib"
2277 zlib_encoder_select="zlib"
2278 zmbv_decoder_select="zlib"
2279 zmbv_encoder_select="zlib"
2281 # hardware accelerators
2282 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2283 dxva2_deps="dxva2api_h"
2284 vaapi_deps="va_va_h"
2285 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2286 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2287 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2288 xvmc_deps="X11_extensions_XvMClib_h"
2290 h263_vaapi_hwaccel_deps="vaapi"
2291 h263_vaapi_hwaccel_select="h263_decoder"
2292 h263_vdpau_hwaccel_deps="vdpau"
2293 h263_vdpau_hwaccel_select="h263_decoder"
2294 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2295 h264_dxva2_hwaccel_deps="dxva2"
2296 h264_dxva2_hwaccel_select="h264_decoder"
2297 h264_qsv_hwaccel_deps="libmfx"
2298 h264_vaapi_hwaccel_deps="vaapi"
2299 h264_vaapi_hwaccel_select="h264_decoder"
2300 h264_vda_decoder_deps="vda"
2301 h264_vda_decoder_select="h264_decoder"
2302 h264_vda_hwaccel_deps="vda"
2303 h264_vda_hwaccel_select="h264_decoder"
2304 h264_vda_old_hwaccel_deps="vda"
2305 h264_vda_old_hwaccel_select="h264_decoder"
2306 h264_vdpau_decoder_deps="vdpau"
2307 h264_vdpau_decoder_select="h264_decoder"
2308 h264_vdpau_hwaccel_deps="vdpau"
2309 h264_vdpau_hwaccel_select="h264_decoder"
2310 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2311 hevc_dxva2_hwaccel_select="hevc_decoder"
2312 mpeg_vdpau_decoder_deps="vdpau"
2313 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2314 mpeg_xvmc_hwaccel_deps="xvmc"
2315 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2316 mpeg1_vdpau_decoder_deps="vdpau"
2317 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2318 mpeg1_vdpau_hwaccel_deps="vdpau"
2319 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2320 mpeg1_xvmc_hwaccel_deps="xvmc"
2321 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2322 mpeg2_crystalhd_decoder_select="crystalhd"
2323 mpeg2_dxva2_hwaccel_deps="dxva2"
2324 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2325 mpeg2_vaapi_hwaccel_deps="vaapi"
2326 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2327 mpeg2_vdpau_hwaccel_deps="vdpau"
2328 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2329 mpeg2_xvmc_hwaccel_deps="xvmc"
2330 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2331 mpeg4_crystalhd_decoder_select="crystalhd"
2332 mpeg4_vaapi_hwaccel_deps="vaapi"
2333 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2334 mpeg4_vdpau_decoder_deps="vdpau"
2335 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2336 mpeg4_vdpau_hwaccel_deps="vdpau"
2337 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2338 msmpeg4_crystalhd_decoder_select="crystalhd"
2339 vc1_crystalhd_decoder_select="crystalhd"
2340 vc1_dxva2_hwaccel_deps="dxva2"
2341 vc1_dxva2_hwaccel_select="vc1_decoder"
2342 vc1_vaapi_hwaccel_deps="vaapi"
2343 vc1_vaapi_hwaccel_select="vc1_decoder"
2344 vc1_vdpau_decoder_deps="vdpau"
2345 vc1_vdpau_decoder_select="vc1_decoder"
2346 vc1_vdpau_hwaccel_deps="vdpau"
2347 vc1_vdpau_hwaccel_select="vc1_decoder"
2348 wmv3_crystalhd_decoder_select="crystalhd"
2349 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2350 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2351 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2352 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2355 h264_parser_select="h264_decoder"
2356 hevc_parser_select="hevc_decoder"
2357 mpegvideo_parser_select="mpegvideo"
2358 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2359 vc1_parser_select="mpegvideo startcode vc1_decoder"
2361 # external libraries
2362 libaacplus_encoder_deps="libaacplus"
2363 libcelt_decoder_deps="libcelt"
2364 libdcadec_decoder_deps="libdcadec"
2365 libfaac_encoder_deps="libfaac"
2366 libfaac_encoder_select="audio_frame_queue"
2367 libfdk_aac_decoder_deps="libfdk_aac"
2368 libfdk_aac_encoder_deps="libfdk_aac"
2369 libfdk_aac_encoder_select="audio_frame_queue"
2370 libgme_demuxer_deps="libgme"
2371 libgsm_decoder_deps="libgsm"
2372 libgsm_encoder_deps="libgsm"
2373 libgsm_ms_decoder_deps="libgsm"
2374 libgsm_ms_encoder_deps="libgsm"
2375 libilbc_decoder_deps="libilbc"
2376 libilbc_encoder_deps="libilbc"
2377 libmodplug_demuxer_deps="libmodplug"
2378 libmp3lame_encoder_deps="libmp3lame"
2379 libmp3lame_encoder_select="audio_frame_queue"
2380 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2381 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2382 libopencore_amrnb_encoder_select="audio_frame_queue"
2383 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2384 libopenh264_encoder_deps="libopenh264"
2385 libopenjpeg_decoder_deps="libopenjpeg"
2386 libopenjpeg_encoder_deps="libopenjpeg"
2387 libopus_decoder_deps="libopus"
2388 libopus_encoder_deps="libopus"
2389 libopus_encoder_select="audio_frame_queue"
2390 libquvi_demuxer_deps="libquvi"
2391 libschroedinger_decoder_deps="libschroedinger"
2392 libschroedinger_encoder_deps="libschroedinger"
2393 libshine_encoder_deps="libshine"
2394 libshine_encoder_select="audio_frame_queue"
2395 libspeex_decoder_deps="libspeex"
2396 libspeex_encoder_deps="libspeex"
2397 libspeex_encoder_select="audio_frame_queue"
2398 libstagefright_h264_decoder_deps="libstagefright_h264"
2399 libtheora_encoder_deps="libtheora"
2400 libtwolame_encoder_deps="libtwolame"
2401 libvo_aacenc_encoder_deps="libvo_aacenc"
2402 libvo_aacenc_encoder_select="audio_frame_queue"
2403 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2404 libvorbis_decoder_deps="libvorbis"
2405 libvorbis_encoder_deps="libvorbis"
2406 libvorbis_encoder_select="audio_frame_queue"
2407 libvpx_vp8_decoder_deps="libvpx"
2408 libvpx_vp8_encoder_deps="libvpx"
2409 libvpx_vp9_decoder_deps="libvpx"
2410 libvpx_vp9_encoder_deps="libvpx"
2411 libwavpack_encoder_deps="libwavpack"
2412 libwebp_encoder_deps="libwebp"
2413 libx264_encoder_deps="libx264"
2414 libx264rgb_encoder_deps="libx264"
2415 libx264rgb_encoder_select="libx264_encoder"
2416 libx265_encoder_deps="libx265"
2417 libxavs_encoder_deps="libxavs"
2418 libxvid_encoder_deps="libxvid"
2419 libutvideo_decoder_deps="libutvideo"
2420 libutvideo_encoder_deps="libutvideo"
2421 libzvbi_teletext_decoder_deps="libzvbi"
2422 nvenc_encoder_deps="nvenc"
2423 nvenc_h265_encoder_deps="nvenc"
2426 ac3_demuxer_select="ac3_parser"
2427 asf_demuxer_select="riffdec"
2428 asf_muxer_select="riffenc"
2429 asf_stream_muxer_select="asf_muxer"
2430 avi_demuxer_select="riffdec exif"
2431 avi_muxer_select="riffenc"
2432 avisynth_demuxer_deps="avisynth"
2433 avisynth_demuxer_select="riffdec"
2434 caf_demuxer_select="riffdec"
2435 dash_muxer_select="mp4_muxer"
2436 dirac_demuxer_select="dirac_parser"
2437 dts_demuxer_select="dca_parser"
2438 dtshd_demuxer_select="dca_parser"
2439 dv_demuxer_select="dvprofile"
2440 dv_muxer_select="dvprofile"
2441 dxa_demuxer_select="riffdec"
2442 eac3_demuxer_select="ac3_parser"
2443 f4v_muxer_select="mov_muxer"
2444 flac_demuxer_select="flac_parser"
2445 hds_muxer_select="flv_muxer"
2446 hls_muxer_select="mpegts_muxer"
2447 image2_alias_pix_demuxer_select="image2_demuxer"
2448 image2_brender_pix_demuxer_select="image2_demuxer"
2449 ipod_muxer_select="mov_muxer"
2450 ismv_muxer_select="mov_muxer"
2451 libnut_demuxer_deps="libnut"
2452 libnut_muxer_deps="libnut"
2453 matroska_audio_muxer_select="matroska_muxer"
2454 matroska_demuxer_select="riffdec"
2455 matroska_demuxer_suggest="bzlib lzo zlib"
2456 matroska_muxer_select="riffenc"
2457 mmf_muxer_select="riffenc"
2458 mov_demuxer_select="riffdec"
2459 mov_demuxer_suggest="zlib"
2460 mov_muxer_select="riffenc rtpenc_chain"
2461 mp3_demuxer_select="mpegaudio_parser"
2462 mp4_muxer_select="mov_muxer"
2463 mpegts_muxer_select="adts_muxer latm_muxer"
2464 mpegtsraw_demuxer_select="mpegts_demuxer"
2465 mxf_d10_muxer_select="mxf_muxer"
2466 mxf_opatom_muxer_select="mxf_muxer"
2467 nut_muxer_select="riffenc"
2468 nuv_demuxer_select="riffdec"
2469 oga_muxer_select="ogg_muxer"
2470 ogg_demuxer_select="golomb"
2471 opus_muxer_select="ogg_muxer"
2472 psp_muxer_select="mov_muxer"
2473 rtp_demuxer_select="sdp_demuxer"
2474 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2475 rtsp_demuxer_select="http_protocol rtpdec"
2476 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2477 sap_demuxer_select="sdp_demuxer"
2478 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2479 sdp_demuxer_select="rtpdec"
2480 smoothstreaming_muxer_select="ismv_muxer"
2481 spdif_muxer_select="aac_parser"
2482 spx_muxer_select="ogg_muxer"
2483 tak_demuxer_select="tak_parser"
2484 tg2_muxer_select="mov_muxer"
2485 tgp_muxer_select="mov_muxer"
2486 vobsub_demuxer_select="mpegps_demuxer"
2487 w64_demuxer_select="wav_demuxer"
2488 w64_muxer_select="wav_muxer"
2489 wav_demuxer_select="riffdec"
2490 wav_muxer_select="riffenc"
2491 webm_muxer_select="riffenc"
2492 wtv_demuxer_select="riffdec"
2493 wtv_muxer_select="riffenc"
2494 xmv_demuxer_select="riffdec"
2495 xwma_demuxer_select="riffdec"
2498 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2499 alsa_outdev_deps="alsa_asoundlib_h"
2500 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2501 avfoundation_indev_select="avfoundation"
2502 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2503 caca_outdev_deps="libcaca"
2504 decklink_outdev_deps="decklink pthreads"
2505 decklink_outdev_extralibs="-lstdc++"
2506 decklink_indev_deps="decklink pthreads"
2507 decklink_indev_extralibs="-lstdc++"
2508 dshow_indev_deps="IBaseFilter"
2509 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32"
2510 dv1394_indev_deps="dv1394"
2511 dv1394_indev_select="dv_demuxer"
2512 fbdev_indev_deps="linux_fb_h"
2513 fbdev_outdev_deps="linux_fb_h"
2514 gdigrab_indev_deps="CreateDIBSection"
2515 gdigrab_indev_extralibs="-lgdi32"
2516 gdigrab_indev_select="bmp_decoder"
2517 iec61883_indev_deps="libiec61883"
2518 jack_indev_deps="jack_jack_h sem_timedwait"
2519 lavfi_indev_deps="avfilter"
2520 libcdio_indev_deps="libcdio"
2521 libdc1394_indev_deps="libdc1394"
2522 libv4l2_indev_deps="libv4l2"
2523 openal_indev_deps="openal"
2524 opengl_outdev_deps="opengl"
2525 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2526 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2527 pulse_indev_deps="libpulse"
2528 pulse_outdev_deps="libpulse"
2529 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2530 qtkit_indev_select="qtkit"
2531 sdl_outdev_deps="sdl"
2532 sndio_indev_deps="sndio_h"
2533 sndio_outdev_deps="sndio_h"
2534 v4l_indev_deps="linux_videodev_h"
2535 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2536 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2537 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2538 vfwcap_indev_extralibs="-lavicap32"
2539 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2540 xv_outdev_extralibs="-lXv -lX11 -lXext"
2541 x11grab_indev_deps="x11grab"
2542 x11grab_xcb_indev_deps="libxcb"
2545 bluray_protocol_deps="libbluray"
2546 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2547 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2548 ffrtmpcrypt_protocol_select="tcp_protocol"
2549 ffrtmphttp_protocol_deps="!librtmp_protocol"
2550 ffrtmphttp_protocol_select="http_protocol"
2551 ftp_protocol_select="tcp_protocol"
2552 gopher_protocol_select="network"
2553 http_protocol_select="tcp_protocol"
2554 httpproxy_protocol_select="tcp_protocol"
2555 https_protocol_select="tls_protocol"
2556 icecast_protocol_select="http_protocol"
2557 librtmp_protocol_deps="librtmp"
2558 librtmpe_protocol_deps="librtmp"
2559 librtmps_protocol_deps="librtmp"
2560 librtmpt_protocol_deps="librtmp"
2561 librtmpte_protocol_deps="librtmp"
2562 libsmbclient_protocol_deps="libsmbclient gplv3"
2563 libssh_protocol_deps="libssh"
2564 mmsh_protocol_select="http_protocol"
2565 mmst_protocol_select="network"
2566 rtmp_protocol_deps="!librtmp_protocol"
2567 rtmp_protocol_select="tcp_protocol"
2568 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2569 rtmps_protocol_deps="!librtmp_protocol"
2570 rtmps_protocol_select="tls_protocol"
2571 rtmpt_protocol_select="ffrtmphttp_protocol"
2572 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2573 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2574 rtp_protocol_select="udp_protocol"
2575 sctp_protocol_deps="struct_sctp_event_subscribe"
2576 sctp_protocol_select="network"
2577 srtp_protocol_select="rtp_protocol"
2578 tcp_protocol_select="network"
2579 tls_protocol_deps_any="openssl gnutls"
2580 tls_protocol_select="tcp_protocol"
2581 udp_protocol_select="network"
2582 udplite_protocol_select="network"
2583 unix_protocol_deps="sys_un_h"
2584 unix_protocol_select="network"
2587 amovie_filter_deps="avcodec avformat"
2588 aresample_filter_deps="swresample"
2589 ass_filter_deps="libass"
2590 asyncts_filter_deps="avresample"
2591 atempo_filter_deps="avcodec"
2592 atempo_filter_select="rdft"
2593 azmq_filter_deps="libzmq"
2594 blackframe_filter_deps="gpl"
2595 boxblur_filter_deps="gpl"
2596 bs2b_filter_deps="libbs2b"
2597 colormatrix_filter_deps="gpl"
2598 cropdetect_filter_deps="gpl"
2599 delogo_filter_deps="gpl"
2600 deshake_filter_select="pixelutils"
2601 drawtext_filter_deps="libfreetype"
2602 ebur128_filter_deps="gpl"
2603 eq_filter_deps="gpl"
2604 fftfilt_filter_deps="avcodec"
2605 fftfilt_filter_select="rdft"
2606 flite_filter_deps="libflite"
2607 frei0r_filter_deps="frei0r dlopen"
2608 frei0r_src_filter_deps="frei0r dlopen"
2609 fspp_filter_deps="gpl"
2610 geq_filter_deps="gpl"
2611 histeq_filter_deps="gpl"
2612 hqdn3d_filter_deps="gpl"
2613 interlace_filter_deps="gpl"
2614 kerndeint_filter_deps="gpl"
2615 ladspa_filter_deps="ladspa dlopen"
2616 mcdeint_filter_deps="avcodec gpl"
2617 movie_filter_deps="avcodec avformat"
2618 mpdecimate_filter_deps="gpl"
2619 mpdecimate_filter_select="pixelutils"
2620 mptestsrc_filter_deps="gpl"
2621 negate_filter_deps="lut_filter"
2622 perspective_filter_deps="gpl"
2623 pp7_filter_deps="gpl"
2624 ocv_filter_deps="libopencv"
2625 owdenoise_filter_deps="gpl"
2626 pan_filter_deps="swresample"
2627 phase_filter_deps="gpl"
2628 pp_filter_deps="gpl postproc"
2629 pullup_filter_deps="gpl"
2630 removelogo_filter_deps="avcodec avformat swscale"
2631 repeatfields_filter_deps="gpl"
2632 resample_filter_deps="avresample"
2633 sab_filter_deps="gpl swscale"
2634 scale_filter_deps="swscale"
2635 select_filter_select="pixelutils"
2636 smartblur_filter_deps="gpl swscale"
2637 showspectrum_filter_deps="avcodec"
2638 showspectrum_filter_select="rdft"
2639 spp_filter_deps="gpl avcodec"
2640 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2641 stereo3d_filter_deps="gpl"
2642 subtitles_filter_deps="avformat avcodec libass"
2643 super2xsai_filter_deps="gpl"
2644 tinterlace_filter_deps="gpl"
2645 vidstabdetect_filter_deps="libvidstab"
2646 vidstabtransform_filter_deps="libvidstab"
2647 pixfmts_super2xsai_test_deps="super2xsai_filter"
2648 tinterlace_merge_test_deps="tinterlace_filter"
2649 tinterlace_pad_test_deps="tinterlace_filter"
2650 uspp_filter_deps="gpl avcodec"
2651 zmq_filter_deps="libzmq"
2652 zoompan_filter_deps="swscale"
2655 avio_reading="avformat avcodec avutil"
2656 avcodec_example_deps="avcodec avutil"
2657 decoding_encoding_example_deps="avcodec avformat avutil"
2658 demuxing_decoding_example_deps="avcodec avformat avutil"
2659 extract_mvs_example_deps="avcodec avformat avutil"
2660 filter_audio_example_deps="avfilter avutil"
2661 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2662 filtering_video_example_deps="avfilter avcodec avformat avutil"
2663 metadata_example_deps="avformat avutil"
2664 muxing_example_deps="avcodec avformat avutil swscale"
2665 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2666 remuxing_example_deps="avcodec avformat avutil"
2667 resampling_audio_example_deps="avutil swresample"
2668 scaling_video_example_deps="avutil swscale"
2669 transcode_aac_example_deps="avcodec avformat swresample"
2670 transcoding_example_deps="avfilter avcodec avformat avutil"
2672 # libraries, in linking order
2673 avcodec_deps="avutil"
2674 avdevice_deps="avformat avcodec avutil"
2675 avfilter_deps="avutil"
2676 avformat_deps="avcodec avutil"
2677 avresample_deps="avutil"
2678 postproc_deps="avutil gpl"
2679 swresample_deps="avutil"
2680 swscale_deps="avutil"
2683 ffmpeg_deps="avcodec avfilter avformat swresample"
2684 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2686 setpts_filter trim_filter"
2687 ffplay_deps="avcodec avformat swscale swresample sdl"
2688 ffplay_libs='$sdl_libs'
2689 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2690 ffprobe_deps="avcodec avformat"
2691 ffserver_deps="avformat fork sarestart"
2692 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2695 podpages_deps="perl"
2696 manpages_deps="perl pod2man"
2697 htmlpages_deps="perl"
2698 htmlpages_deps_any="makeinfo_html texi2html"
2699 txtpages_deps="perl makeinfo"
2700 doc_deps_any="manpages htmlpages podpages txtpages"
2702 # default parameters
2704 logfile="config.log"
2706 # installation paths
2707 prefix_default="/usr/local"
2708 bindir_default='${prefix}/bin'
2709 datadir_default='${prefix}/share/ffmpeg'
2710 docdir_default='${prefix}/share/doc/ffmpeg'
2711 incdir_default='${prefix}/include'
2712 libdir_default='${prefix}/lib'
2713 mandir_default='${prefix}/share/man'
2719 host_cc_default="gcc"
2721 doxygen_default="doxygen"
2726 pkg_config_default=pkg-config
2727 if ranlib 2>&1 | grep -q "\-D "; then
2728 ranlib_default="ranlib -D"
2730 ranlib_default="ranlib"
2732 strip_default="strip"
2733 yasmexe_default="yasm"
2734 windres_default="windres"
2737 target_os_default=$(tolower $(uname -s))
2738 host_os=$target_os_default
2741 if test "$target_os_default" = aix; then
2742 arch_default=$(uname -p)
2743 strip_default="strip -X32_64"
2745 arch_default=$(uname -m)
2750 # configurable options
2751 enable $PROGRAM_LIST
2752 enable $DOCUMENT_LIST
2753 enable $EXAMPLE_LIST
2754 enable $(filter_out avresample $LIBRARY_LIST)
2760 enable faan faandct faanidct
2761 enable optimizations
2762 enable runtime_cpudetect
2763 enable safe_bitstream_reader
2765 enable swscale_alpha
2767 sws_max_filter_size_default=256
2768 set_default sws_max_filter_size
2770 # Enable hwaccels by default.
2771 enable dxva2 vaapi vda vdpau xvmc
2775 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2778 FULLNAME='$(NAME)$(BUILDSUF)'
2779 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2782 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2783 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2784 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2785 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2786 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2787 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2809 host_cflags_filter=echo
2810 host_ldflags_filter=echo
2812 target_path='$(CURDIR)'
2814 # since the object filename is not given with the -MM flag, the compiler
2815 # is only able to print the basename, and we must add the path ourselves
2816 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2820 if test -f configure; then
2823 source_path=$(cd $(dirname "$0"); pwd)
2824 echo "$source_path" | grep -q '[[:blank:]]' &&
2825 die "Out of tree builds are impossible with whitespace in source path."
2826 test -e "$source_path/config.h" &&
2827 die "Out of tree builds are impossible with config.h in source dir."
2834 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2840 file=$source_path/$3
2841 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2844 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2845 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2846 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2847 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2848 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2849 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2850 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2851 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2852 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2853 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2854 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2870 for n in $COMPONENT_LIST; do
2871 v=$(toupper ${n%s})_LIST
2873 eval ${n}_if_any="\$$v"
2876 enable $ARCH_EXT_LIST
2879 echo "Unknown option \"$1\"."
2880 echo "See $0 --help for available options."
2885 cat | tr ' ' '\n' | sort | pr -r -3 -t
2891 echo $* | sed s/$suffix//g | print_3_columns
2903 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2904 echo "prob ${prob:-0.5}"
2912 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2913 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2922 --extra-ldexeflags=*)
2923 add_ldexeflags $optval
2926 add_extralibs $optval
2929 disable $INDEV_LIST $OUTDEV_LIST
2932 debuglevel="$optval"
2935 disable $PROGRAM_LIST
2937 --disable-everything)
2938 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2941 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2942 disable $LIBRARY_LIST $PROGRAM_LIST doc
2944 --enable-random|--disable-random)
2945 action=${opt%%-random}
2946 do_random ${action#--} $COMPONENT_LIST
2948 --enable-random=*|--disable-random=*)
2949 action=${opt%%-random=*}
2950 do_random ${action#--} $optval
2952 --enable-*=*|--disable-*=*)
2953 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2954 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2955 eval list=\$$(toupper $thing)_LIST
2956 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2957 list=$(filter "$name" $list)
2958 [ "$list" = "" ] && warn "Option $opt did not match anything"
2961 --enable-?*|--disable-?*)
2962 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2963 if is_in $option $COMPONENT_LIST; then
2964 test $action = disable && action=unset
2965 eval $action \$$(toupper ${option%s})_LIST
2966 elif is_in $option $CMDLINE_SELECT; then
2973 NAME="${opt#--list-}"
2974 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2976 eval show_list $NAME \$$(toupper $NAME)_LIST
2978 --help|-h) show_help
2980 --fatal-warnings) enable fatal_warnings
2983 optname="${opt%%=*}"
2984 optname="${optname#--}"
2985 optname=$(echo "$optname" | sed 's/-/_/g')
2986 if is_in $optname $CMDLINE_SET; then
2987 eval $optname='$optval'
2988 elif is_in $optname $CMDLINE_APPEND; then
2989 append $optname "$optval"
2997 disabled logging && logfile=/dev/null
2999 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3002 test -n "$valgrind" && toolchain="valgrind-memcheck"
3004 case "$toolchain" in
3007 add_cflags -fsanitize=address
3008 add_ldflags -fsanitize=address
3012 add_cflags -fsanitize=thread -pie
3013 add_ldflags -fsanitize=thread -pie
3017 add_cflags -fsanitize=undefined
3018 add_ldflags -fsanitize=undefined
3022 add_cflags -fsanitize=address
3023 add_ldflags -fsanitize=address
3027 add_cflags -fsanitize=thread -pie -fPIC
3028 add_ldflags -fsanitize=thread -pie -fPIC
3032 add_cflags -fsanitize=undefined
3033 add_ldflags -fsanitize=undefined
3036 target_exec_default=${valgrind:-"valgrind"}
3037 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"
3040 target_exec_default=${valgrind:-"valgrind"}
3041 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3044 # Check whether the current MSVC version needs the C99 converter.
3045 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3046 # support enough of C99 to build ffmpeg. Default to the new
3047 # behaviour if the regexp was unable to match anything, since this
3048 # successfully parses the version number of existing supported
3049 # versions that require the converter (MSVC 2010 and 2012).
3050 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3051 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3054 cc_default="c99wrap cl"
3057 nm_default="dumpbin -symbols"
3059 target_os_default="win32"
3060 # Use a relative path for TMPDIR. This makes sure all the
3061 # ffconf temp files are written with a relative path, avoiding
3062 # issues with msys/win32 path conversion for MSVC parameters
3063 # such as -Fo<file> or -out:<file>.
3069 nm_default="dumpbin -symbols"
3071 target_os_default="win32"
3075 add_cflags -fprofile-arcs -ftest-coverage
3076 add_ldflags -fprofile-arcs -ftest-coverage
3079 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3080 add_cflags -fno-strict-overflow -fstack-protector-all
3081 add_ldflags -Wl,-z,relro -Wl,-z,now
3084 die "Unknown toolchain $toolchain"
3088 test -n "$cross_prefix" && enable cross_compile
3090 if enabled cross_compile; then
3091 test -n "$arch" && test -n "$target_os" ||
3092 die "Must specify target arch and OS when cross-compiling"
3095 ar_default="${cross_prefix}${ar_default}"
3096 cc_default="${cross_prefix}${cc_default}"
3097 cxx_default="${cross_prefix}${cxx_default}"
3098 nm_default="${cross_prefix}${nm_default}"
3099 pkg_config_default="${cross_prefix}${pkg_config_default}"
3100 ranlib_default="${cross_prefix}${ranlib_default}"
3101 strip_default="${cross_prefix}${strip_default}"
3102 windres_default="${cross_prefix}${windres_default}"
3104 sysinclude_default="${sysroot}/usr/include"
3106 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3107 target_exec target_os yasmexe
3108 enabled cross_compile || host_cc_default=$cc
3111 pkg_config_fail_message=""
3112 if ! $pkg_config --version >/dev/null 2>&1; then
3113 warn "$pkg_config not found, library detection may fail."
3115 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3116 pkg_config_fail_message="
3117 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3120 if test $doxygen != $doxygen_default && \
3121 ! $doxygen --version >/dev/null 2>&1; then
3122 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3127 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3131 EXESUF=$(exesuf $target_os)
3132 HOSTEXESUF=$(exesuf $host_os)
3134 # set temporary file name
3135 : ${TMPDIR:=$TEMPDIR}
3139 if [ -n "$tempprefix" ] ; then
3141 echo $tempprefix.${HOSTNAME}.${UID}
3143 elif ! check_cmd mktemp -u XXXXXX; then
3144 # simple replacement for missing mktemp
3145 # NOT SAFE FOR GENERAL USE
3147 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3152 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3153 (set -C; exec > $tmp) 2>/dev/null ||
3154 die "Unable to create temporary file in $TMPDIR."
3155 append TMPFILES $tmp
3159 trap 'rm -f -- $TMPFILES' EXIT
3164 tmpfile TMPE $EXESUF
3176 # make sure we can execute files in $TMPDIR
3177 cat > $TMPSH 2>> $logfile <<EOF
3180 chmod +x $TMPSH >> $logfile 2>&1
3181 if ! $TMPSH >> $logfile 2>&1; then
3183 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3184 variable to another directory and make sure that it is not mounted noexec.
3186 die "Sanity test failed."
3192 # Filter out MSVC cl.exe options from cflags that shouldn't
3193 # be passed to gas-preprocessor
3203 -std=c99) echo -c99 ;;
3204 -mcpu=*) echo -arch ${flag#*=} ;;
3205 -mieee) echo -ieee ;;
3206 -O*|-fast) echo $flag ;;
3207 -fno-math-errno) echo -assume nomath_errno ;;
3209 -Wall) echo -msg_enable level2 ;;
3210 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3211 -Wl,*) echo $flag ;;
3221 -Wno-switch) echo -Wno-switch-enum ;;
3222 -Wno-format-zero-length) ;;
3223 -Wdisabled-optimization) ;;
3224 -Wno-pointer-sign) echo -Wno-other ;;
3230 msvc_common_flags(){
3233 # In addition to specifying certain flags under the compiler
3234 # specific filters, they must be specified here as well or else the
3235 # generic catch all at the bottom will print the original flag.
3239 -fomit-frame-pointer) ;;
3243 -fno-signed-zeros) ;;
3247 -lz) echo zlib.lib ;;
3248 -lavifil32) echo vfw32.lib ;;
3249 -lavicap32) echo vfw32.lib user32.lib ;;
3250 -l*) echo ${flag#-l}.lib ;;
3251 -L*) echo -libpath:${flag#-L} ;;
3258 msvc_common_flags "$@"
3261 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3262 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3263 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3265 -wd4273 -wd4554 -wd4701 ;;
3271 msvc_common_flags "$@"
3274 # Despite what Intel's documentation says -Wall, which is supported
3275 # on Windows, does enable remarks so disable them here.
3276 -Wall) echo $flag -Qdiag-disable:remark ;;
3277 -std=c99) echo -Qstd=c99 ;;
3295 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3296 -fomit-frame-pointer) echo -Mnoframe ;;
3307 case "${flag#*=}" in
3308 native) echo -xtarget=native ;;
3309 v9|niagara) echo -xarch=sparc ;;
3310 ultrasparc) echo -xarch=sparcvis ;;
3311 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3312 i586|pentium) echo -xchip=pentium ;;
3313 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3314 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3315 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3316 pentium4*) echo -xtarget=pentium4 ;;
3317 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3318 *-sse3) echo -xarch=sse3 ;;
3319 core2) echo -xarch=ssse3 -xchip=core2 ;;
3320 bonnell) echo -xarch=ssse3 ;;
3321 corei7|nehalem) echo -xtarget=nehalem ;;
3322 westmere) echo -xtarget=westmere ;;
3323 silvermont) echo -xarch=sse4_2 ;;
3324 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3325 core-avx*|ivybridge|haswell|broadwell)
3327 amdfam10|barcelona) echo -xtarget=barcelona ;;
3328 btver1) echo -xarch=amdsse4a ;;
3329 btver2|bdver*) echo -xarch=avx ;;
3330 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3331 k8|opteron|athlon64|athlon-fx)
3332 echo -xarch=sse2a ;;
3333 athlon*) echo -xarch=pentium_proa ;;
3336 -std=c99) echo -xc99 ;;
3337 -fomit-frame-pointer) echo -xregs=frameptr ;;
3338 -fPIC) echo -KPIC -xcode=pic32 ;;
3339 -W*,*) echo $flag ;;
3340 -f*-*|-W*|-mimpure-text) ;;
3351 case "${flag#*=}" in
3352 armv7-a|cortex-a*) echo -mv=7a8 ;;
3353 armv7-r|cortex-r*) echo -mv=7r4 ;;
3354 armv7-m|cortex-m*) echo -mv=7m3 ;;
3355 armv6*|arm11*) echo -mv=6 ;;
3356 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3358 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3361 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3362 -mfpu=vfp) echo --float_support=vfpv2 ;;
3363 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3364 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3365 -msoft-float) echo --float_support=vfplib ;;
3366 -O[0-3]|-mf=*) echo $flag ;;
3368 -pds=*) echo $flag ;;
3369 -D*|-I*) echo $flag ;;
3370 --gcc|--abi=*) echo $flag ;;
3380 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3381 unset _ld_o _ldflags _ld_lib _ld_path
3382 unset _depflags _DEPCMD _DEPFLAGS
3385 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3386 true # no-op to avoid reading stdin in following checks
3387 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3389 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3390 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3391 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3394 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3396 gcc_version=$($_cc --version | head -n1)
3397 gcc_basever=$($_cc -dumpversion)
3398 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3399 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3400 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3401 if ! $_cc -dumpversion | grep -q '^2\.'; then
3402 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3406 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3408 _ident=$($_cc --version | head -n1)
3413 _flags_filter=icc_flags
3414 elif $_cc -v 2>&1 | grep -q xlc; then
3416 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3418 _cflags_size='-O5 -qcompact'
3419 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3421 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3423 _cflags_speed='-fast'
3425 _flags_filter=ccc_flags
3426 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3427 test -d "$sysroot" || die "No valid sysroot specified."
3429 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3430 armcc_conf="$PWD/armcc.conf"
3431 $_cc --arm_linux_configure \
3432 --arm_linux_config_file="$armcc_conf" \
3433 --configure_sysroot="$sysroot" \
3434 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3435 die "Error creating armcc configuration file."
3436 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3437 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3438 as_default="${cross_prefix}gcc"
3442 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3444 _ident=$($_cc -version | head -n1 | tr -s ' ')
3445 _flags='--gcc --abi=eabi -me'
3448 _depflags='-ppa -ppd=$(@:.o=.d)'
3449 _cflags_speed='-O3 -mf=5'
3450 _cflags_size='-O3 -mf=2'
3451 _flags_filter=tms470_flags
3452 elif $_cc -v 2>&1 | grep -q clang; then
3454 _ident=$($_cc --version | head -n1)
3455 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3458 elif $_cc -V 2>&1 | grep -q Sun; then
3460 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3461 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3462 _DEPFLAGS='-xM1 -xc99'
3465 _cflags_size='-O5 -xspace'
3466 _flags_filter=suncc_flags
3467 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3469 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3470 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3473 _flags_filter='filter_out -Wdisabled-optimization'
3474 elif $_cc -v 2>&1 | grep -q Open64; then
3476 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3477 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3480 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3481 elif $_cc -V 2>&1 | grep -q Portland; then
3483 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3484 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3485 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3486 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3488 _flags_filter=pgi_flags
3489 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3491 _ident=$($_cc | head -n1)
3492 # 4509: "This form of conditional instruction is deprecated"
3493 _flags="-nologo -ignore 4509"
3494 _flags_filter=armasm_flags
3495 elif $_cc 2>&1 | grep -q Intel; then
3497 _ident=$($cc 2>&1 | head -n1)
3498 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3499 # Not only is O3 broken on 13.x+ but it is slower on all previous
3500 # versions (tested) as well.
3502 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3503 if $_cc 2>&1 | grep -q Linker; then
3510 _flags_filter=icl_flags
3512 _ld_path='-libpath:'
3513 # -Qdiag-error to make icl error when seeing certain unknown arguments
3514 _flags='-nologo -Qdiag-error:4044,10157'
3515 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3516 # with MSVC which enables it by default.
3517 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3518 if [ $pfx = hostcc ]; then
3519 append _cflags -Dsnprintf=_snprintf
3522 elif $_cc 2>&1 | grep -q Microsoft; then
3524 _ident=$($cc 2>&1 | head -n1)
3525 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3526 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3529 if $_cc 2>&1 | grep -q Linker; then
3536 _flags_filter=msvc_flags
3538 _ld_path='-libpath:'
3540 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3541 if [ $pfx = hostcc ]; then
3542 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
3543 append _cflags -Dsnprintf=_snprintf
3547 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3549 _ident=$($_cc --version | head -n1)
3553 _flags_filter=cparser_flags
3556 eval ${pfx}_type=\$_type
3557 eval ${pfx}_ident=\$_ident
3561 eval ${1}_C=\${_cc_c-\${${1}_C}}
3562 eval ${1}_E=\${_cc_e-\${${1}_E}}
3563 eval ${1}_O=\${_cc_o-\${${1}_O}}
3565 if [ -n "$_depflags" ]; then
3566 eval ${1}_DEPFLAGS=\$_depflags
3568 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3569 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3570 eval DEP${1}FLAGS=\$_flags
3575 cflags_filter=$_flags_filter
3576 cflags_speed=$_cflags_speed
3577 cflags_size=$_cflags_size
3578 cflags_noopt=$_cflags_noopt
3579 add_cflags $_flags $_cflags
3580 cc_ldflags=$_ldflags
3583 probe_cc hostcc "$host_cc"
3584 host_cflags_filter=$_flags_filter
3585 add_host_cflags $_flags $_cflags
3588 test -n "$cc_type" && enable $cc_type ||
3589 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3591 : ${as_default:=$cc}
3592 : ${dep_cc_default:=$cc}
3593 : ${ld_default:=$cc}
3594 : ${host_ld_default:=$host_cc}
3595 set_default ar as dep_cc ld host_ld windres
3598 asflags_filter=$_flags_filter
3599 add_asflags $_flags $_cflags
3603 ldflags_filter=$_flags_filter
3604 add_ldflags $_flags $_ldflags
3605 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3607 LD_LIB=${_ld_lib-$LD_LIB}
3608 LD_PATH=${_ld_path-$LD_PATH}
3610 probe_cc hostld "$host_ld"
3611 host_ldflags_filter=$_flags_filter
3612 add_host_ldflags $_flags $_ldflags
3613 HOSTLD_O=${_ld_o-$HOSTLD_O}
3615 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3616 probe_cc depcc "$dep_cc"
3617 CCDEP=${_DEPCMD:-$DEPCMD}
3618 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3622 if $ar 2>&1 | grep -q Microsoft; then
3625 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3628 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3629 arflags='-Xany -r -c'
3631 elif $ar 2>&1 | grep -q "\[D\] "; then
3639 add_cflags $extra_cflags
3640 add_cxxflags $extra_cxxflags
3641 add_asflags $extra_cflags
3643 if test -n "$sysroot"; then
3646 add_cppflags --sysroot="$sysroot"
3647 add_ldflags --sysroot="$sysroot"
3648 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3649 add_cppflags -isysroot "$sysroot"
3650 add_ldflags -isysroot "$sysroot"
3653 add_cppflags -I"$sysinclude"
3654 add_ldflags --sysroot="$sysroot"
3659 if test "$cpu" = host; then
3660 enabled cross_compile &&
3661 die "--cpu=host makes no sense when cross-compiling."
3666 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3668 s/.*$1=\\([^ ]*\\).*/\\1/
3673 cpu=$(check_native -march || check_native -mcpu)
3677 test "${cpu:-host}" = host &&
3678 die "--cpu=host not supported with compiler $cc"
3681 # Deal with common $arch aliases
3695 "Power Macintosh"|ppc*|powerpc*)
3710 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3715 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3718 # Add processor-specific flags
3719 if enabled aarch64; then
3723 cpuflags="-march=$cpu"
3726 cpuflags="-mcpu=$cpu"
3730 elif enabled alpha; then
3732 cpuflags="-mcpu=$cpu"
3734 elif enabled arm; then
3737 check_cpp_condition stddef.h \
3738 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3743 if check_arm_arch 4; then echo armv4;
3744 elif check_arm_arch 4T; then echo armv4t;
3745 elif check_arm_arch 5; then echo armv5;
3746 elif check_arm_arch 5E; then echo armv5e;
3747 elif check_arm_arch 5T; then echo armv5t;
3748 elif check_arm_arch 5TE; then echo armv5te;
3749 elif check_arm_arch 5TEJ; then echo armv5te;
3750 elif check_arm_arch 6; then echo armv6;
3751 elif check_arm_arch 6J; then echo armv6j;
3752 elif check_arm_arch 6K; then echo armv6k;
3753 elif check_arm_arch 6Z; then echo armv6z;
3754 elif check_arm_arch 6ZK; then echo armv6zk;
3755 elif check_arm_arch 6T2; then echo armv6t2;
3756 elif check_arm_arch 7; then echo armv7;
3757 elif check_arm_arch 7A 7_A; then echo armv7-a;
3758 elif check_arm_arch 7S; then echo armv7-a;
3759 elif check_arm_arch 7R 7_R; then echo armv7-r;
3760 elif check_arm_arch 7M 7_M; then echo armv7-m;
3761 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3762 elif check_arm_arch 8A 8_A; then echo armv8-a;
3766 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3770 cpuflags="-march=$cpu"
3771 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3774 cpuflags="-mcpu=$cpu"
3776 cortex-a*) subarch=armv7a ;;
3777 cortex-r*) subarch=armv7r ;;
3778 cortex-m*) enable thumb; subarch=armv7m ;;
3779 arm11*) subarch=armv6 ;;
3780 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3781 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3782 *) subarch=$(probe_arm_arch) ;;
3788 armv5t*) enable fast_clz ;;
3791 disabled fast_unaligned || enable fast_unaligned
3795 elif enabled avr32; then
3800 cpuflags="-mpart=$cpu"
3804 cpuflags="-march=$cpu"
3808 cpuflags="-mcpu=$cpu"
3812 cpuflags="-march=$cpu"
3816 elif enabled bfin; then
3818 cpuflags="-mcpu=$cpu"
3820 elif enabled mips; then
3822 cpuflags="-march=$cpu"
3838 24kef*|34kf*|1004kf*)
3846 elif enabled ppc; then
3851 case $(tolower $cpu) in
3852 601|ppc601|powerpc601)
3853 cpuflags="-mcpu=601"
3856 603*|ppc603*|powerpc603*)
3857 cpuflags="-mcpu=603"
3860 604*|ppc604*|powerpc604*)
3861 cpuflags="-mcpu=604"
3864 g3|75*|ppc75*|powerpc75*)
3865 cpuflags="-mcpu=750"
3868 g4|745*|ppc745*|powerpc745*)
3869 cpuflags="-mcpu=7450"
3871 74*|ppc74*|powerpc74*)
3872 cpuflags="-mcpu=7400"
3874 g5|970|ppc970|powerpc970)
3875 cpuflags="-mcpu=970"
3878 cpuflags="-mcpu=$cpu"
3881 cpuflags="-mcpu=cell"
3885 cpuflags="-mcpu=e500mc"
3889 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3894 cpuflags="-mcpu=8540 -mhard-float"
3900 elif enabled sparc; then
3903 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3904 cpuflags="-mcpu=$cpu"
3906 ultrasparc*|niagara[234])
3907 cpuflags="-mcpu=$cpu"
3911 elif enabled x86; then
3915 cpuflags="-march=$cpu"
3919 # targets that do NOT support nopl and conditional mov (cmov)
3920 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3921 cpuflags="-march=$cpu"
3924 # targets that do support nopl and conditional mov (cmov)
3925 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3926 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3927 cpuflags="-march=$cpu"
3931 # targets that do support conditional mov but on which it's slow
3932 pentium4|pentium4m|prescott|nocona)
3933 cpuflags="-march=$cpu"
3941 if [ "$cpu" != generic ]; then
3942 add_cflags $cpuflags
3943 add_asflags $cpuflags
3946 # compiler sanity check
3948 int main(void){ return 0; }
3950 if test "$?" != 0; then
3951 echo "$cc is unable to create an executable file."
3952 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3953 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3954 echo "Only do this if you know what cross compiling means."
3956 die "C compiler test failed."
3959 add_cppflags -D_ISOC99_SOURCE
3960 add_cxxflags -D__STDC_CONSTANT_MACROS
3961 check_cflags -std=c99
3962 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3965 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3969 add_host_cppflags -D_ISOC99_SOURCE
3970 check_host_cflags -std=c99
3971 check_host_cflags -Wall
3972 check_host_cflags -O3
3978 check_code cc "" "int test[2*($expr) - 1]" &&
3979 subarch=$arch64 || subarch=$arch32
3987 check_64bit mips mips64 '_MIPS_SIM > 1'
3991 check_64bit parisc parisc64 'sizeof(void *) > 4'
3995 check_64bit ppc ppc64 'sizeof(void *) > 4'
3999 check_64bit s390 s390x 'sizeof(void *) > 4'
4003 check_64bit sparc sparc64 'sizeof(void *) > 4'
4007 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4008 # Treat x32 as x64 for now. Note it also needs spic=$shared
4009 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4011 if test "$subarch" = "x86_64"; then
4016 check_cc <<EOF && subarch="ppc64"
4017 int test[(int)sizeof(char*) - 7];
4023 enabled spic && enable_weak pic
4029 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4030 enabled shared && add_ldflags -Wl,-brtl
4034 enable section_data_rel_ro
4035 SLIB_INSTALL_NAME='$(SLIBNAME)'
4037 # soname not set on purpose
4041 prefix_default="/boot/common"
4042 network_extralibs="-lnetwork"
4046 SHFLAGS='-shared -Wl,-h,$$(@F)'
4047 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4048 network_extralibs="-lsocket -lnsl"
4049 add_cppflags -D__EXTENSIONS__
4050 # When using suncc to build, the Solaris linker will mark
4051 # an executable with each instruction set encountered by
4052 # the Solaris assembler. As our libraries contain their own
4053 # guards for processor-specific code, instead suppress
4054 # generation of the HWCAPS ELF section on Solaris x86 only.
4055 enabled_all suncc x86 &&
4056 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4057 add_ldflags -Wl,-M,mapfile
4058 nm_default='nm -P -g'
4062 oss_indev_extralibs="-lossaudio"
4063 oss_outdev_extralibs="-lossaudio"
4064 enabled gcc || check_ldflags -Wl,-zmuldefs
4069 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4071 oss_indev_extralibs="-lossaudio"
4072 oss_outdev_extralibs="-lossaudio"
4080 add_extralibs -lpoll -lgnugetopt
4084 enabled ppc && add_asflags -force_cpusubtype_ALL
4085 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4086 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4088 add_ldflags -Wl,-dynamic,-search_paths_first
4090 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4091 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4093 enabled x86_64 && objformat="macho64"
4094 enabled_any pic shared x86_64 ||
4095 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4098 if test $target_os = "mingw32ce"; then
4104 if enabled x86_64; then
4105 LIBTARGET="i386:x86-64"
4106 elif enabled arm; then
4109 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4110 check_ldflags -Wl,--nxcompat
4111 check_ldflags -Wl,--dynamicbase
4112 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4113 shlibdir_default="$bindir_default"
4116 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4117 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4118 dlltool="${cross_prefix}dlltool"
4119 if check_cmd lib.exe -list; then
4120 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4121 if enabled x86_64; then
4124 elif check_cmd $dlltool --version; then
4125 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4127 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4129 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4130 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4131 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4138 if enabled shared; then
4139 # Link to the import library instead of the normal static library
4142 # Cannot build both shared and static libs with MSVC or icl.
4145 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4146 shlibdir_default="$bindir_default"
4149 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4150 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4151 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4152 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4154 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4155 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4156 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4163 shlibdir_default="$bindir_default"
4166 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4167 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4168 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4170 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4171 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4174 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4176 *-dos|freedos|opendos)
4177 network_extralibs="-lsocket"
4180 add_cppflags -U__STRICT_ANSI__
4184 enable section_data_rel_ro
4188 ranlib="echo ignoring ranlib"
4194 add_cppflags -D_GNU_SOURCE
4195 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4196 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4200 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4201 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4202 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4203 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4204 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4205 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4206 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4207 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4208 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4209 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4210 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4212 enable_weak os2threads
4215 add_cppflags -D_BSD_SOURCE
4220 add_cppflags -D_QNX_SOURCE
4221 network_extralibs="-lsocket"
4226 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4227 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4228 add_ldflags -Wl,--target1-abs,--no-undefined \
4229 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4230 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4231 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4232 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4233 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4236 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4241 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4242 -D_REENTRANT_SOURCE \
4243 -D_RESEARCH_SOURCE \
4246 add_compat strtod.o strtod=avpriv_strtod
4247 network_extralibs='-lbsd'
4248 exeobjs=compat/plan9/main.o
4255 die "Unknown OS '$target_os'."
4259 # determine libc flavour
4264 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4265 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4266 eval ${pfx}libc_type=uclibc
4267 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4268 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4269 eval ${pfx}libc_type=glibc
4270 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4271 # MinGW headers can be installed on Cygwin, so check for newlib first.
4272 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4273 eval ${pfx}libc_type=newlib
4274 add_${pfx}cppflags -U__STRICT_ANSI__
4275 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4276 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4277 eval ${pfx}libc_type=mingw64
4278 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4279 add_compat msvcrt/snprintf.o
4280 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4282 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4283 eval test \$${pfx_no_}cc_type = "gcc" &&
4284 add_${pfx}cppflags -D__printf__=__gnu_printf__
4285 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4286 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4287 eval ${pfx}libc_type=mingw32
4288 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4289 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4290 die "ERROR: MinGW32 runtime version must be >= 3.15."
4291 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4292 eval test \$${pfx_no_}cc_type = "gcc" &&
4293 add_${pfx}cppflags -D__printf__=__gnu_printf__
4294 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4295 eval ${pfx}libc_type=msvcrt
4296 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4297 # 0x601 by default unless something else is set by the user.
4298 # This can easily lead to us detecting functions only present
4299 # in such new versions and producing binaries requiring windows 7.0.
4300 # Therefore explicitly set the default to XP unless the user has
4301 # set something else on the command line.
4302 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4303 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4304 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4305 eval ${pfx}libc_type=klibc
4306 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4307 eval ${pfx}libc_type=bionic
4308 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4309 eval ${pfx}libc_type=solaris
4310 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4312 check_${pfx}cc <<EOF
4314 void *v = localtime_r;
4316 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4318 void *v = localtime_r;
4324 test -n "$libc_type" && enable libc_$libc_type
4326 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4330 add_compat strtod.o strtod=avpriv_strtod
4333 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
4334 add_compat strtod.o strtod=avpriv_strtod
4335 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4336 _snprintf=avpriv_snprintf \
4337 vsnprintf=avpriv_vsnprintf
4342 # hacks for compiler/libc/os combinations
4344 if enabled_all tms470 libc_glibc; then
4345 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4346 add_cppflags -D__USER_LABEL_PREFIX__=
4347 add_cppflags -D__builtin_memset=memset
4348 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4349 add_cflags -pds=48 # incompatible redefinition of macro
4352 if enabled_all ccc libc_glibc; then
4353 add_ldflags -Wl,-z,now # calls to libots crash without this
4356 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4357 add_cppflags '-I\$(SRC_PATH)/compat/float'
4360 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4363 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4365 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4368 : ${shlibdir_default:="$libdir"}
4370 set_default $PATHS_LIST
4373 # we need to build at least one lib type
4374 if ! enabled_any static shared; then
4376 At least one library type must be built.
4377 Specify --enable-static to build the static libraries or --enable-shared to
4378 build the shared libraries as well. To only build the shared libraries specify
4379 --disable-static in addition to --enable-shared.
4384 die_license_disabled() {
4385 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4388 die_license_disabled_gpl() {
4389 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4392 die_license_disabled gpl frei0r
4393 die_license_disabled gpl libcdio
4394 die_license_disabled gpl libsmbclient
4395 die_license_disabled gpl libutvideo
4396 die_license_disabled gpl libvidstab
4397 die_license_disabled gpl libx264
4398 die_license_disabled gpl libx265
4399 die_license_disabled gpl libxavs
4400 die_license_disabled gpl libxvid
4401 die_license_disabled gpl libzvbi
4402 die_license_disabled gpl x11grab
4404 die_license_disabled nonfree libaacplus
4405 die_license_disabled nonfree libfaac
4406 die_license_disabled nonfree nvenc
4407 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4408 enabled gpl && die_license_disabled_gpl nonfree openssl
4410 die_license_disabled version3 libopencore_amrnb
4411 die_license_disabled version3 libopencore_amrwb
4412 die_license_disabled version3 libsmbclient
4413 die_license_disabled version3 libvo_aacenc
4414 die_license_disabled version3 libvo_amrwbenc
4416 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4418 disabled optimizations || check_cflags -fomit-frame-pointer
4421 disabled pic && return
4424 case "$target_os" in
4434 enabled pic && enable_weak_pic
4436 check_cc <<EOF || die "Symbol mangling check failed."
4439 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4440 extern_prefix=${sym%%ff_extern*}
4442 check_cc <<EOF && enable_weak inline_asm
4443 void foo(void) { __asm__ volatile ("" ::); }
4447 for restrict_keyword in restrict __restrict__ __restrict; do
4448 check_cc <<EOF && _restrict=$restrict_keyword && break
4449 void foo(char * $restrict_keyword p);
4453 check_cc <<EOF && enable pragma_deprecated
4454 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4457 check_cc <<EOF && enable attribute_packed
4458 struct { int x; } __attribute__((packed)) x;
4461 check_cc <<EOF && enable attribute_may_alias
4462 union { int x; } __attribute__((may_alias)) x;
4465 check_cc <<EOF || die "endian test failed"
4466 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4468 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4470 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then
4471 if ! enabled bigendian && enabled altivec ;then
4477 log "check_gas using '$as' as AS"
4478 # :vararg is used on aarch64, arm and ppc altivec
4479 check_as <<EOF || return 1
4480 .macro m n, y:vararg=0
4485 # .altmacro is only used in arm asm
4486 ! enabled arm || check_as <<EOF || return 1
4493 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4495 enabled_any arm aarch64 && nogas=die
4496 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4500 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4501 gcc) gaspp_as_type=gas ;;
4502 *) gaspp_as_type=$as_type ;;
4505 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4507 test "${as#*gas-preprocessor.pl}" != "$as" ||
4508 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4509 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4511 if ! check_gas ; then
4514 $nogas "GNU assembler not found, install/update gas-preprocessor"
4517 check_as <<EOF && enable as_func
4523 check_inline_asm inline_asm_labels '"1:\n"'
4525 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4527 if enabled aarch64; then
4528 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4529 # internal assembler in clang 3.3 does not support this instruction
4530 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4531 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4533 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4535 elif enabled alpha; then
4539 elif enabled arm; then
4541 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4542 float func(float a, float b){ return a+b; }
4545 enabled thumb && check_cflags -mthumb || check_cflags -marm
4547 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4549 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4550 case "${cross_prefix:-$cc}" in
4551 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4552 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4553 __asm__ (".eabi_attribute 28, 1");
4554 int main(void) { return 0; }
4557 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4560 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4561 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4562 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4563 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4564 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4565 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4566 enabled setend && check_insn setend 'setend be'
4568 [ $target_os = linux ] || [ $target_os = android ] ||
4569 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4572 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4574 check_as <<EOF && enable as_dn_directive
4579 # llvm's integrated assembler supports .object_arch from llvm 3.5
4580 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4584 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4586 elif enabled mips; then
4588 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4590 # Enable minimum ISA based on selected options
4591 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4592 add_cflags "-mips64r2"
4593 add_asflags "-mips64r2"
4594 elif enabled mips64 && enabled mipsfpu; then
4595 add_cflags "-mips64"
4596 add_asflags "-mips64"
4597 elif enabled mipsfpu || enabled mipsdspr1 || enabled mipsdspr2; then
4598 add_cflags "-mips32r2"
4599 add_asflags "-mips32r2"
4602 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4603 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4604 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4605 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4606 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4607 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4609 elif enabled parisc; then
4611 if enabled gcc; then
4612 case $($cc -dumpversion) in
4613 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4617 elif enabled ppc; then
4619 enable local_aligned_8 local_aligned_16 local_aligned_32
4621 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4622 check_inline_asm ibm_asm '"add 0, 0, 0"'
4623 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4624 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4626 # AltiVec flags: The FSF version of GCC differs from the Apple version
4627 if enabled altivec; then
4628 check_cflags -maltivec -mabi=altivec &&
4629 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4630 check_cflags -faltivec
4632 # check if our compiler supports Motorola AltiVec C API
4633 check_cc <<EOF || disable altivec
4636 vector signed int v1 = (vector signed int) { 0 };
4637 vector signed int v2 = (vector signed int) { 1 };
4638 v1 = vec_add(v1, v2);
4643 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4646 if enabled vsx; then
4649 elif enabled x86; then
4651 check_builtin rdtsc intrin.h "__rdtsc()"
4652 check_builtin mm_empty mmintrin.h "_mm_empty()"
4654 enable local_aligned_8 local_aligned_16 local_aligned_32
4656 # check whether EBP is available on x86
4657 # As 'i' is stored on the stack, this program will crash
4658 # if the base pointer is used to access it because the
4659 # base pointer is cleared in the inline assembly code.
4660 check_exec_crash <<EOF && enable ebp_available
4662 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4666 # check whether EBX is available on x86
4667 check_inline_asm ebx_available '""::"b"(0)' &&
4668 check_inline_asm ebx_available '"":::"%ebx"'
4670 # check whether xmm clobbers are supported
4671 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4673 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4674 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4676 # check whether binutils is new enough to compile SSSE3/MMXEXT
4677 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4678 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4680 if ! disabled_any asm mmx yasm; then
4681 if check_cmd $yasmexe --version; then
4682 enabled x86_64 && yasm_extra="-m amd64"
4683 yasm_debug="-g dwarf2"
4684 elif check_cmd nasm -v; then
4686 yasm_debug="-g -F dwarf"
4687 if enabled x86_64; then
4688 case "$objformat" in
4689 elf) objformat=elf64 ;;
4690 win32) objformat=win64 ;;
4695 YASMFLAGS="-f $objformat $yasm_extra"
4696 enabled pic && append YASMFLAGS "-DPIC"
4697 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4698 case "$objformat" in
4699 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4702 check_yasm "movbe ecx, [5]" && enable yasm ||
4703 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4704 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4705 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4706 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4707 check_yasm "CPU amdnop" || disable cpunop
4711 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4718 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4720 check_ldflags -Wl,--as-needed
4721 check_ldflags -Wl,-z,noexecstack
4723 if check_func dlopen; then
4725 elif check_func dlopen -ldl; then
4729 frei0r_filter_extralibs='$ldl'
4730 frei0r_src_filter_extralibs='$ldl'
4731 ladspa_filter_extralibs='$ldl'
4732 nvenc_encoder_extralibs='$ldl'
4734 if ! disabled network; then
4735 check_func getaddrinfo $network_extralibs
4736 check_func getservbyport $network_extralibs
4737 check_func inet_aton $network_extralibs
4739 check_type netdb.h "struct addrinfo"
4740 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4741 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4742 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4743 check_type poll.h "struct pollfd"
4744 check_type netinet/sctp.h "struct sctp_event_subscribe"
4745 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4746 check_type netinet/in.h "struct sockaddr_in6"
4747 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4748 check_type "sys/types.h sys/socket.h" socklen_t
4750 # Prefer arpa/inet.h over winsock2
4751 if check_header arpa/inet.h ; then
4752 check_func closesocket
4753 elif check_header winsock2.h ; then
4754 check_func_headers winsock2.h closesocket -lws2 &&
4755 network_extralibs="-lws2" ||
4756 { check_func_headers winsock2.h closesocket -lws2_32 &&
4757 network_extralibs="-lws2_32"; } || disable winsock2_h network
4758 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4760 check_type ws2tcpip.h socklen_t
4761 check_type ws2tcpip.h "struct addrinfo"
4762 check_type ws2tcpip.h "struct group_source_req"
4763 check_type ws2tcpip.h "struct ip_mreq_source"
4764 check_type ws2tcpip.h "struct ipv6_mreq"
4765 check_type winsock2.h "struct pollfd"
4766 check_struct winsock2.h "struct sockaddr" sa_len
4767 check_type ws2tcpip.h "struct sockaddr_in6"
4768 check_type ws2tcpip.h "struct sockaddr_storage"
4774 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4775 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4776 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4777 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4778 check_builtin sarestart signal.h "SA_RESTART"
4779 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4781 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4782 check_func ${malloc_prefix}memalign && enable memalign
4783 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4786 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4789 check_func gethrtime
4791 check_func getrusage
4792 check_func gettimeofday
4795 check_func localtime_r
4796 check_func mach_absolute_time
4800 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4801 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4802 check_func sched_getaffinity
4803 check_func setrlimit
4804 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4805 check_func strerror_r
4810 check_func_headers conio.h kbhit
4811 check_func_headers io.h setmode
4812 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4813 check_func_headers stdlib.h getenv
4815 check_func_headers windows.h CoTaskMemFree -lole32
4816 check_func_headers windows.h GetProcessAffinityMask
4817 check_func_headers windows.h GetProcessTimes
4818 check_func_headers windows.h GetSystemTimeAsFileTime
4819 check_func_headers windows.h MapViewOfFile
4820 check_func_headers windows.h PeekNamedPipe
4821 check_func_headers windows.h SetConsoleTextAttribute
4822 check_func_headers windows.h Sleep
4823 check_func_headers windows.h VirtualAlloc
4824 check_struct windows.h "CONDITION_VARIABLE" Ptr
4825 check_func_headers glob.h glob
4827 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4829 check_header direct.h
4830 check_header dlfcn.h
4832 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4834 check_header libcrystalhd/libcrystalhd_if.h
4835 check_header mach/mach_time.h
4836 check_header malloc.h
4837 check_header net/udplite.h
4839 check_header sys/mman.h
4840 check_header sys/param.h
4841 check_header sys/resource.h
4842 check_header sys/select.h
4843 check_header sys/time.h
4844 check_header sys/un.h
4845 check_header termios.h
4846 check_header unistd.h
4847 check_header vdpau/vdpau.h
4848 check_header vdpau/vdpau_x11.h
4849 check_header VideoDecodeAcceleration/VDADecoder.h
4850 check_header windows.h
4851 check_header X11/extensions/XvMClib.h
4852 check_header asm/types.h
4854 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4855 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4856 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4858 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4860 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4862 if ! disabled w32threads && ! enabled pthreads; then
4863 check_func_headers "windows.h process.h" _beginthreadex &&
4864 enable w32threads || disable w32threads
4867 # check for some common methods of building with pthread support
4868 # do this before the optional library checks as some of them require pthreads
4869 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4871 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4873 add_extralibs -pthread
4874 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4875 add_cflags -pthreads
4876 add_extralibs -pthreads
4877 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4878 add_cflags -ldl -pthread
4879 add_extralibs -ldl -pthread
4880 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4881 add_extralibs -lpthreadGC2
4882 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4884 elif ! check_func pthread_join && ! check_func pthread_create; then
4887 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4891 if enabled pthreads; then
4892 check_func pthread_cancel
4895 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4896 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4897 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
4899 check_lib math.h sin -lm && LIBM="-lm"
4900 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4906 for func in $MATH_FUNCS; do
4907 eval check_mathfunc $func \${${func}_args:-1}
4910 # these are off by default, so fail if requested and not available
4911 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4912 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
4913 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
4914 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4915 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4916 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4917 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4918 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4919 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4920 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4921 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4922 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4923 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4924 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4925 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4926 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4927 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4928 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4929 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4930 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4931 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4932 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4933 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"
4934 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4935 enabled fontconfig && enable libfontconfig
4936 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4937 enabled libfreetype && require_libfreetype
4938 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
4939 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4940 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4941 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4942 done || die "ERROR: libgsm not found"; }
4943 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4944 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4945 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
4946 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4947 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4948 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4949 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4950 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4951 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4952 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
4953 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4954 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4955 die "ERROR: libopenjpeg not found"; }
4956 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4957 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
4958 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4959 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4960 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4961 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4962 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
4963 require smbclient libsmbclient.h smbc_init -lsmbclient; }
4964 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4965 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4966 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4967 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4968 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4969 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4970 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4971 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4972 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4973 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4974 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4975 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4976 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4977 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4978 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4979 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4981 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4982 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4983 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 ||
4984 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4985 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4986 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } }
4987 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4988 enabled libwebp && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
4989 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
4990 { require libx264 x264.h x264_encoder_encode -lx264 &&
4991 warn "using libx264 without pkg-config"; } } &&
4992 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4993 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4994 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4995 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
4996 die "ERROR: libx265 version must be >= 17."; }
4997 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4998 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4999 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5000 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5001 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5002 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5003 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5004 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5005 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5006 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5007 die "ERROR: openal not found"; } &&
5008 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5009 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5010 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5011 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5012 die "ERROR: opencl not found"; } &&
5013 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5014 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5015 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5016 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5017 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5018 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5019 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5020 die "ERROR: opengl not found."
5022 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5023 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5024 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5025 die "ERROR: openssl not found"; }
5026 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5028 if enabled gnutls; then
5029 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
5030 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5034 if enabled libdc1394; then
5035 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5036 enable libdc1394_2; } ||
5037 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5038 enable libdc1394_1; } ||
5039 die "ERROR: No version of libdc1394 found "
5041 if ! disabled sdl; then
5042 SDL_CONFIG="${cross_prefix}sdl-config"
5043 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5044 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5045 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5048 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5049 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5050 sdl_libs=$("${SDL_CONFIG}" --libs)
5051 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5052 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5053 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5055 elif enabled sdl ; then
5056 die "ERROR: SDL not found"
5062 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5064 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5065 enabled makeinfo && (makeinfo --version | \
5066 grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \
5067 && enable makeinfo_html || disable makeinfo_html
5068 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5069 perl -v > /dev/null 2>&1 && enable perl || disable perl
5070 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5071 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5073 check_header linux/fb.h
5074 check_header linux/videodev.h
5075 check_header linux/videodev2.h
5076 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5078 check_header sys/videoio.h
5079 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5081 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5082 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5083 # w32api 3.12 had it defined wrong
5084 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5086 check_type "dshow.h" IBaseFilter
5088 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5089 { check_header dev/bktr/ioctl_meteor.h &&
5090 check_header dev/bktr/ioctl_bt848.h; } ||
5091 { check_header machine/ioctl_meteor.h &&
5092 check_header machine/ioctl_bt848.h; } ||
5093 { check_header dev/video/meteor/ioctl_meteor.h &&
5094 check_header dev/video/bktr/ioctl_bt848.h; } ||
5095 check_header dev/ic/bt8xx.h
5097 check_header sndio.h
5098 if check_struct sys/soundcard.h audio_buf_info bytes; then
5099 enable_safe sys/soundcard.h
5101 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5102 #include <sys/soundcard.h>
5106 check_header soundcard.h
5108 enabled_any alsa_indev alsa_outdev &&
5109 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5111 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5112 check_func jack_port_get_latency_range -ljack
5114 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5116 if enabled libcdio; then
5117 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5118 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5119 die "ERROR: No usable libcdio/cdparanoia found"
5123 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5125 if ! disabled libxcb; then
5126 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5127 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5128 } && disable x11grab && enable libxcb
5130 if enabled libxcb; then
5131 disabled libxcb_shm || {
5132 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5133 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5134 } && check_header sys/shm.h && enable libxcb_shm; }
5136 disabled libxcb_xfixes || {
5137 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5138 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5139 } && enable libxcb_xfixes; }
5141 disabled libxcb_shape || {
5142 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5143 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5144 } && enable libxcb_shape; }
5146 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5147 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5151 if enabled x11grab; then
5152 enabled xlib || die "ERROR: Xlib not found"
5153 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5154 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5157 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5159 enabled dxva2api_h &&
5160 check_cc <<EOF && enable dxva2api_cobj
5161 #define _WIN32_WINNT 0x0600
5163 #include <windows.h>
5165 #include <dxva2api.h>
5166 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5170 check_lib va/va.h vaInitialize -lva ||
5173 enabled vaapi && enabled xlib &&
5174 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5178 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5181 enabled vdpau && enabled xlib &&
5182 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5183 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5186 # Funny iconv installations are not unusual, so check it after all flags have been set
5187 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5189 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5191 # add some useful compiler flags if supported
5192 check_cflags -Wdeclaration-after-statement
5194 check_cflags -Wdisabled-optimization
5195 check_cflags -Wpointer-arith
5196 check_cflags -Wredundant-decls
5197 check_cflags -Wwrite-strings
5198 check_cflags -Wtype-limits
5199 check_cflags -Wundef
5200 check_cflags -Wmissing-prototypes
5201 check_cflags -Wno-pointer-to-int-cast
5202 check_cflags -Wstrict-prototypes
5203 check_cflags -Wempty-body
5204 enabled extra_warnings && check_cflags -Winline
5206 check_disable_warning(){
5207 warning_flag=-W${1#-Wno-}
5208 test_cflags $warning_flag && add_cflags $1
5211 check_disable_warning -Wno-parentheses
5212 check_disable_warning -Wno-switch
5213 check_disable_warning -Wno-format-zero-length
5214 check_disable_warning -Wno-pointer-sign
5216 # add some linker flags
5217 check_ldflags -Wl,--warn-common
5218 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5219 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5220 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5222 # add some strip flags
5223 # -wN '..@*' is more selective than -x, but not available everywhere.
5224 check_stripflags -wN \'..@*\' || check_stripflags -x
5226 enabled neon_clobber_test &&
5227 check_ldflags -Wl,--wrap,avcodec_open2 \
5228 -Wl,--wrap,avcodec_decode_audio4 \
5229 -Wl,--wrap,avcodec_decode_video2 \
5230 -Wl,--wrap,avcodec_decode_subtitle2 \
5231 -Wl,--wrap,avcodec_encode_audio2 \
5232 -Wl,--wrap,avcodec_encode_video2 \
5233 -Wl,--wrap,avcodec_encode_subtitle \
5234 -Wl,--wrap,swr_convert \
5235 -Wl,--wrap,avresample_convert ||
5236 disable neon_clobber_test
5238 enabled xmm_clobber_test &&
5239 check_ldflags -Wl,--wrap,avcodec_open2 \
5240 -Wl,--wrap,avcodec_decode_audio4 \
5241 -Wl,--wrap,avcodec_decode_video2 \
5242 -Wl,--wrap,avcodec_decode_subtitle2 \
5243 -Wl,--wrap,avcodec_encode_audio2 \
5244 -Wl,--wrap,avcodec_encode_video \
5245 -Wl,--wrap,avcodec_encode_video2 \
5246 -Wl,--wrap,avcodec_encode_subtitle \
5247 -Wl,--wrap,swr_convert \
5248 -Wl,--wrap,avresample_convert \
5249 -Wl,--wrap,sws_scale ||
5250 disable xmm_clobber_test
5253 if test_ldflags -Wl,--version-script,$TMPV; then
5254 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5255 check_cc <<EOF && enable symver_asm_label
5256 void ff_foo(void) __asm__ ("av_foo@VERSION");
5257 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5259 check_cc <<EOF && enable symver_gnu_asm
5260 __asm__(".symver ff_foo,av_foo@VERSION");
5261 void ff_foo(void) {}
5265 if [ -z "$optflags" ]; then
5266 if enabled small; then
5267 optflags=$cflags_size
5268 elif enabled optimizations; then
5269 optflags=$cflags_speed
5271 optflags=$cflags_noopt
5277 enabled lto && check_ldflags "$@"
5281 if enabled lto; then
5282 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5284 check_ldflags -flto $cpuflags
5285 disable inline_asm_direct_symbol_refs
5288 check_optflags $optflags
5289 check_optflags -fno-math-errno
5290 check_optflags -fno-signed-zeros
5292 enabled ftrapv && check_cflags -ftrapv
5294 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5299 if enabled icc; then
5300 # Just warnings, no remarks
5302 # -wd: Disable following warnings
5303 # 144, 167, 556: -Wno-pointer-sign
5304 # 188: enumerated type mixed with another type
5305 # 1292: attribute "foo" ignored
5306 # 1419: external declaration in primary source file
5307 # 10006: ignoring unknown option -fno-signed-zeros
5308 # 10148: ignoring unknown option -Wno-parentheses
5309 # 10156: ignoring option '-W'; no argument required
5310 # 13200: No EMMS instruction before call to function
5311 # 13203: No EMMS instruction before return from function
5312 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5313 # 11030: Warning unknown option --as-needed
5314 # 10156: ignoring option '-export'; no argument required
5315 check_ldflags -wd10156,11030
5316 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5317 enable ebp_available
5318 # The test above does not test linking
5319 enabled lto && disable symver_asm_label
5320 if enabled x86_32; then
5321 icc_version=$($cc -dumpversion)
5322 test ${icc_version%%.*} -ge 11 &&
5323 check_cflags -falign-stack=maintain-16-byte ||
5324 disable aligned_stack
5326 elif enabled ccc; then
5327 # disable some annoying warnings
5328 add_cflags -msg_disable bitnotint
5329 add_cflags -msg_disable mixfuncvoid
5330 add_cflags -msg_disable nonstandcast
5331 add_cflags -msg_disable unsupieee
5332 elif enabled gcc; then
5333 check_optflags -fno-tree-vectorize
5334 check_cflags -Werror=format-security
5335 check_cflags -Werror=implicit-function-declaration
5336 check_cflags -Werror=missing-prototypes
5337 check_cflags -Werror=return-type
5338 check_cflags -Werror=vla
5339 check_cflags -Wformat
5340 check_cflags -fdiagnostics-color=auto
5341 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5342 elif enabled llvm_gcc; then
5343 check_cflags -mllvm -stack-alignment=16
5344 elif enabled clang; then
5345 check_cflags -mllvm -stack-alignment=16
5346 check_cflags -Qunused-arguments
5347 check_cflags -Werror=implicit-function-declaration
5348 check_cflags -Werror=missing-prototypes
5349 check_cflags -Werror=return-type
5350 elif enabled cparser; then
5351 add_cflags -Wno-missing-variable-declarations
5352 add_cflags -Wno-empty-statement
5353 elif enabled armcc; then
5354 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5355 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5356 # 2523: use of inline assembly is deprecated
5357 add_cflags -W${armcc_opt},--diag_suppress=2523
5358 add_cflags -W${armcc_opt},--diag_suppress=1207
5359 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5360 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5361 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5362 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5363 elif enabled tms470; then
5364 add_cflags -pds=824 -pds=837
5366 elif enabled pathscale; then
5367 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5368 elif enabled_any msvc icl; then
5369 enabled x86_32 && disable aligned_stack
5370 enabled_all x86_32 debug && add_cflags -Oy-
5371 enabled debug && add_ldflags -debug
5372 enable pragma_deprecated
5373 if enabled icl; then
5374 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5375 # (correctly) on icl 13.x.
5376 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5377 add_cflags -Qansi-alias
5378 # Some inline asm is not compilable in debug
5379 if enabled debug; then
5380 disable ebp_available
5381 disable ebx_available
5384 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5385 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5390 add_asflags -Qunused-arguments
5396 check_ldflags -Qunused-arguments
5402 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5405 add_cppflags -Dmain=plan9_main
5409 enable frame_thread_encoder
5411 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5413 check_deps $CONFIG_LIST \
5418 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"
5421 if test $target_os = "haiku"; then
5423 disable posix_memalign
5426 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5427 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5430 ! enabled_any memalign posix_memalign aligned_malloc &&
5431 enabled simd_align_16 && enable memalign_hack
5434 # -> enable ${lib}_deps_${dep}
5435 # -> add $dep to ${lib}_deps only once
5439 enabled "${lib}_deps_${dep}" && return 0
5440 enable "${lib}_deps_${dep}"
5441 prepend "${lib}_deps" $dep
5444 # merge deps lib components
5445 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5450 enabled $comp || continue
5451 eval "dep=\"\$${comp}_deps\""
5458 merge_deps libavfilter $FILTER_LIST
5460 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5462 for thread in $THREADS_LIST; do
5463 if enabled $thread; then
5464 test -n "$thread_type" &&
5465 die "ERROR: Only one thread type must be selected." ||
5466 thread_type="$thread"
5470 enabled zlib && add_cppflags -DZLIB_CONST
5472 # conditional library dependencies, in linking order
5473 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5474 enabled aresample_filter && prepend avfilter_deps "swresample"
5475 enabled asyncts_filter && prepend avfilter_deps "avresample"
5476 enabled atempo_filter && prepend avfilter_deps "avcodec"
5477 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5478 enabled elbg_filter && prepend avfilter_deps "avcodec"
5479 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5480 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5481 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5482 enabled pan_filter && prepend avfilter_deps "swresample"
5483 enabled pp_filter && prepend avfilter_deps "postproc"
5484 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5485 enabled resample_filter && prepend avfilter_deps "avresample"
5486 enabled sab_filter && prepend avfilter_deps "swscale"
5487 enabled scale_filter && prepend avfilter_deps "swscale"
5488 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5489 enabled smartblur_filter && prepend avfilter_deps "swscale"
5490 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5491 enabled uspp_filter && prepend avfilter_deps "avcodec"
5493 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5495 enabled opus_decoder && prepend avcodec_deps "swresample"
5499 eval "deps=\$$lib_deps"
5500 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5504 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5505 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5507 map 'expand_deps $v' $LIBRARY_LIST
5509 echo "install prefix $prefix"
5510 echo "source path $source_path"
5511 echo "C compiler $cc"
5512 echo "C library $libc_type"
5513 if test "$host_cc" != "$cc"; then
5514 echo "host C compiler $host_cc"
5515 echo "host C library $host_libc_type"
5517 echo "ARCH $arch ($cpu)"
5518 if test "$build_suffix" != ""; then
5519 echo "build suffix $build_suffix"
5521 if test "$progs_suffix" != ""; then
5522 echo "progs suffix $progs_suffix"
5524 if test "$extra_version" != ""; then
5525 echo "version string suffix $extra_version"
5527 echo "big-endian ${bigendian-no}"
5528 echo "runtime cpu detection ${runtime_cpudetect-no}"
5529 if enabled x86; then
5530 echo "${yasmexe} ${yasm-no}"
5531 echo "MMX enabled ${mmx-no}"
5532 echo "MMXEXT enabled ${mmxext-no}"
5533 echo "3DNow! enabled ${amd3dnow-no}"
5534 echo "3DNow! extended enabled ${amd3dnowext-no}"
5535 echo "SSE enabled ${sse-no}"
5536 echo "SSSE3 enabled ${ssse3-no}"
5537 echo "AVX enabled ${avx-no}"
5538 echo "XOP enabled ${xop-no}"
5539 echo "FMA3 enabled ${fma3-no}"
5540 echo "FMA4 enabled ${fma4-no}"
5541 echo "i686 features enabled ${i686-no}"
5542 echo "CMOV is fast ${fast_cmov-no}"
5543 echo "EBX available ${ebx_available-no}"
5544 echo "EBP available ${ebp_available-no}"
5546 if enabled aarch64; then
5547 echo "NEON enabled ${neon-no}"
5548 echo "VFP enabled ${vfp-no}"
5550 if enabled arm; then
5551 echo "ARMv5TE enabled ${armv5te-no}"
5552 echo "ARMv6 enabled ${armv6-no}"
5553 echo "ARMv6T2 enabled ${armv6t2-no}"
5554 echo "VFP enabled ${vfp-no}"
5555 echo "NEON enabled ${neon-no}"
5556 echo "THUMB enabled ${thumb-no}"
5558 if enabled mips; then
5559 echo "MIPS FPU enabled ${mipsfpu-no}"
5560 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5561 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5563 if enabled ppc; then
5564 echo "AltiVec enabled ${altivec-no}"
5565 echo "PPC 4xx optimizations ${ppc4xx-no}"
5566 echo "PPC VSX optimizations ${vsx-no}"
5567 echo "dcbzl available ${dcbzl-no}"
5569 echo "debug symbols ${debug-no}"
5570 echo "strip symbols ${stripping-no}"
5571 echo "optimize for size ${small-no}"
5572 echo "optimizations ${optimizations-no}"
5573 echo "static ${static-no}"
5574 echo "shared ${shared-no}"
5575 echo "postprocessing support ${postproc-no}"
5576 echo "new filter support ${avfilter-no}"
5577 echo "network support ${network-no}"
5578 echo "threading support ${thread_type-no}"
5579 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5580 echo "SDL support ${sdl-no}"
5581 echo "opencl enabled ${opencl-no}"
5582 echo "texi2html enabled ${texi2html-no}"
5583 echo "perl enabled ${perl-no}"
5584 echo "pod2man enabled ${pod2man-no}"
5585 echo "makeinfo enabled ${makeinfo-no}"
5586 echo "makeinfo supports HTML ${makeinfo_html-no}"
5587 test -n "$random_seed" &&
5588 echo "random seed ${random_seed}"
5591 echo "External libraries:"
5592 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5595 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5596 echo "Enabled ${type}s:"
5597 eval list=\$$(toupper $type)_LIST
5598 print_enabled '_*' $list | print_3_columns
5602 license="LGPL version 2.1 or later"
5603 if enabled nonfree; then
5604 license="nonfree and unredistributable"
5605 elif enabled gplv3; then
5606 license="GPL version 3 or later"
5607 elif enabled lgplv3; then
5608 license="LGPL version 3 or later"
5609 elif enabled gpl; then
5610 license="GPL version 2 or later"
5613 echo "License: $license"
5615 echo "Creating config.mak, config.h, and doc/config.texi..."
5617 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5619 enabled stripping || strip="echo skipping strip"
5621 config_files="$TMPH config.mak doc/config.texi"
5623 cat > config.mak <<EOF
5624 # Automatically generated by configure - do not modify!
5625 ifndef FFMPEG_CONFIG_MAK
5627 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5629 LIBDIR=\$(DESTDIR)$libdir
5630 SHLIBDIR=\$(DESTDIR)$shlibdir
5631 INCDIR=\$(DESTDIR)$incdir
5632 BINDIR=\$(DESTDIR)$bindir
5633 DATADIR=\$(DESTDIR)$datadir
5634 DOCDIR=\$(DESTDIR)$docdir
5635 MANDIR=\$(DESTDIR)$mandir
5636 SRC_PATH=$source_path
5637 ifndef MAIN_MAKEFILE
5638 SRC_PATH:=\$(SRC_PATH:.%=..%)
5642 INTRINSICS=$intrinsics
5648 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5650 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5679 LDEXEFLAGS=$LDEXEFLAGS
5680 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5681 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5682 YASMFLAGS=$YASMFLAGS
5683 BUILDSUF=$build_suffix
5684 PROGSSUF=$progs_suffix
5692 EXTRA_VERSION=$extra_version
5695 CCDEP_FLAGS=$CCDEP_FLAGS
5697 ASDEP_FLAGS=$ASDEP_FLAGS
5698 CC_DEPFLAGS=$CC_DEPFLAGS
5699 AS_DEPFLAGS=$AS_DEPFLAGS
5702 HOSTCFLAGS=$host_cflags
5703 HOSTCPPFLAGS=$host_cppflags
5704 HOSTEXESUF=$HOSTEXESUF
5705 HOSTLDFLAGS=$host_ldflags
5708 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5709 HOSTCCDEP=$HOSTCCDEP
5710 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5711 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5715 TARGET_EXEC=$target_exec $target_exec_args
5716 TARGET_PATH=$target_path
5717 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5718 CFLAGS-ffplay=$sdl_cflags
5719 ZLIB=$($ldflags_filter -lz)
5720 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5721 EXTRALIBS=$extralibs
5722 COMPAT_OBJS=$compat_objs
5725 LIBTARGET=${LIBTARGET}
5726 SLIBNAME=${SLIBNAME}
5727 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5728 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5729 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5730 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5731 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5732 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5733 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5734 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5735 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5736 NOREDZONE_FLAGS=$noredzone_flags
5741 name=$(toupper $lcname)
5742 file=$source_path/$lcname/version.h
5743 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5744 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5745 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5746 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5747 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5748 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5751 map 'get_version $v' $LIBRARY_LIST
5753 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5755 print_program_libs(){
5756 eval "program_libs=\$${1}_libs"
5757 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5760 map 'print_program_libs $v' $PROGRAM_LIST
5763 /* Automatically generated by configure - do not modify! */
5764 #ifndef FFMPEG_CONFIG_H
5765 #define FFMPEG_CONFIG_H
5766 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5767 #define FFMPEG_LICENSE "$(c_escape $license)"
5768 #define CONFIG_THIS_YEAR 2015
5769 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5770 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5771 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5772 #define av_restrict $_restrict
5773 #define EXTERN_PREFIX "${extern_prefix}"
5774 #define EXTERN_ASM ${extern_prefix}
5775 #define BUILDSUF "$build_suffix"
5776 #define SLIBSUF "$SLIBSUF"
5777 #define HAVE_MMX2 HAVE_MMXEXT
5778 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5781 test -n "$assert_level" &&
5782 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5784 test -n "$malloc_prefix" &&
5785 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5787 if enabled yasm; then
5788 append config_files $TMPASM
5792 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5797 echo "@c auto-generated by configure" > doc/config.texi
5799 print_config ARCH_ "$config_files" $ARCH_LIST
5800 print_config HAVE_ "$config_files" $HAVE_LIST
5801 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5805 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5806 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5808 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5809 cp_if_changed $TMPH config.h
5812 enabled yasm && cp_if_changed $TMPASM config.asm
5815 /* Generated by ffconf */
5816 #ifndef AVUTIL_AVCONFIG_H
5817 #define AVUTIL_AVCONFIG_H
5820 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5822 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5824 cp_if_changed $TMPH libavutil/avconfig.h
5826 if test -n "$WARNINGS"; then
5827 printf "\n$WARNINGS"
5828 enabled fatal_warnings && exit 1
5831 # build pkg-config files
5834 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5837 pkgconfig_generate(){
5839 shortname=${name#lib}${build_suffix}
5843 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5844 requires=${requires%, }
5845 enabled ${name#lib} || return 0
5847 cat <<EOF > $name/$name${build_suffix}.pc
5849 exec_prefix=\${prefix}
5854 Description: $comment
5856 Requires: $(enabled shared || echo $requires)
5857 Requires.private: $(enabled shared && echo $requires)
5859 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5860 Libs.private: $(enabled shared && echo $libs)
5861 Cflags: -I\${includedir}
5864 mkdir -p doc/examples/pc-uninstalled
5865 includedir=${source_path}
5866 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5867 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5870 libdir=\${pcfiledir}/../../../$name
5871 includedir=${includedir}
5874 Description: $comment
5878 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5879 Cflags: -I\${includedir}
5883 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5884 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5885 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5886 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5887 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5888 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5889 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5890 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5891 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"