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-libfaac enable AAC encoding via libfaac [no]
214 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
215 --enable-libflite enable flite (voice synthesis) support via libflite [no]
216 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
217 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
218 --enable-libgme enable Game Music Emu via libgme [no]
219 --enable-libgsm enable GSM de/encoding via libgsm [no]
220 --enable-libiec61883 enable iec61883 via libiec61883 [no]
221 --enable-libilbc enable iLBC de/encoding via libilbc [no]
222 --enable-libmfx enable HW acceleration through libmfx
223 --enable-libmodplug enable ModPlug via libmodplug [no]
224 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
225 --enable-libnut enable NUT (de)muxing via libnut,
226 native (de)muxer exists [no]
227 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
228 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
229 --enable-libopencv enable video filtering via libopencv [no]
230 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
231 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
232 --enable-libopus enable Opus de/encoding via libopus [no]
233 --enable-libpulse enable Pulseaudio input via libpulse [no]
234 --enable-libquvi enable quvi input via libquvi [no]
235 --enable-librtmp enable RTMP[E] support via librtmp [no]
236 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
237 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
238 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
239 --enable-libsoxr enable Include libsoxr resampling [no]
240 --enable-libspeex enable Speex de/encoding via libspeex [no]
241 --enable-libssh enable SFTP protocol via libssh [no]
242 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
243 --enable-libtheora enable Theora encoding via libtheora [no]
244 --enable-libtwolame enable MP2 encoding via libtwolame [no]
245 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
246 --enable-libv4l2 enable libv4l2/v4l-utils [no]
247 --enable-libvidstab enable video stabilization using vid.stab [no]
248 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
249 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
250 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
251 native implementation exists [no]
252 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
253 --enable-libwavpack enable wavpack encoding via libwavpack [no]
254 --enable-libwebp enable WebP encoding via libwebp [no]
255 --enable-libx264 enable H.264 encoding via x264 [no]
256 --enable-libx265 enable HEVC encoding via x265 [no]
257 --enable-libxavs enable AVS encoding via xavs [no]
258 --enable-libxcb enable X11 grabbing using XCB [autodetect]
259 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
260 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
261 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
262 --enable-libxvid enable Xvid encoding via xvidcore,
263 native MPEG-4/Xvid encoder exists [no]
264 --enable-libzmq enable message passing via libzmq [no]
265 --enable-libzvbi enable teletext support via libzvbi [no]
266 --disable-lzma disable lzma [autodetect]
267 --enable-decklink enable Blackmagick DeckLink I/O support [no]
268 --enable-nvenc enable NVIDIA NVENC support [no]
269 --enable-openal enable OpenAL 1.1 capture support [no]
270 --enable-opencl enable OpenCL code
271 --enable-opengl enable OpenGL rendering [no]
272 --enable-openssl enable openssl, needed for https support
273 if gnutls is not used [no]
274 --disable-sdl disable sdl [autodetect]
275 --enable-x11grab enable X11 grabbing (legacy) [no]
276 --disable-xlib disable xlib [autodetect]
277 --disable-zlib disable zlib [autodetect]
280 --arch=ARCH select architecture [$arch]
281 --cpu=CPU select the minimum required CPU (affects
282 instruction selection, may crash on older CPUs)
283 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
284 --progs-suffix=SUFFIX program name suffix []
285 --enable-cross-compile assume a cross-compiler is used
286 --sysroot=PATH root of cross-build tree
287 --sysinclude=PATH location of cross-build system headers
288 --target-os=OS compiler targets OS [$target_os]
289 --target-exec=CMD command to run executables on target
290 --target-path=DIR path to view of build directory on target
291 --target-samples=DIR path to samples directory on target
292 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
293 --toolchain=NAME set tool defaults according to NAME
294 --nm=NM use nm tool NM [$nm_default]
295 --ar=AR use archive tool AR [$ar_default]
296 --as=AS use assembler AS [$as_default]
297 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
298 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
299 --cc=CC use C compiler CC [$cc_default]
300 --cxx=CXX use C compiler CXX [$cxx_default]
301 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
302 --ld=LD use linker LD [$ld_default]
303 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
304 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
305 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
306 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
307 --host-cc=HOSTCC use host C compiler HOSTCC
308 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
309 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
310 --host-ld=HOSTLD use host linker HOSTLD
311 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
312 --host-libs=HLIBS use libs HLIBS when linking for host
313 --host-os=OS compiler host OS [$target_os]
314 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
315 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
316 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
317 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
318 --extra-libs=ELIBS add ELIBS [$ELIBS]
319 --extra-version=STRING version string suffix []
320 --optflags=OPTFLAGS override optimization-related compiler flags
321 --build-suffix=SUFFIX library name suffix []
322 --enable-pic build position-independent code
323 --enable-thumb compile for Thumb instruction set
324 --enable-lto use link-time optimization
326 Advanced options (experts only):
327 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
328 --disable-symver disable symbol versioning
329 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
330 --disable-safe-bitstream-reader
331 disable buffer boundary checking in bitreaders
332 (faster, but may crash)
333 --enable-memalign-hack emulate memalign, interferes with memory debuggers
334 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
336 Optimization options (experts only):
337 --disable-asm disable all assembly optimizations
338 --disable-altivec disable AltiVec optimizations
339 --disable-amd3dnow disable 3DNow! optimizations
340 --disable-amd3dnowext disable 3DNow! extended optimizations
341 --disable-mmx disable MMX optimizations
342 --disable-mmxext disable MMXEXT optimizations
343 --disable-sse disable SSE optimizations
344 --disable-sse2 disable SSE2 optimizations
345 --disable-sse3 disable SSE3 optimizations
346 --disable-ssse3 disable SSSE3 optimizations
347 --disable-sse4 disable SSE4 optimizations
348 --disable-sse42 disable SSE4.2 optimizations
349 --disable-avx disable AVX optimizations
350 --disable-xop disable XOP optimizations
351 --disable-fma3 disable FMA3 optimizations
352 --disable-fma4 disable FMA4 optimizations
353 --disable-avx2 disable AVX2 optimizations
354 --disable-armv5te disable armv5te optimizations
355 --disable-armv6 disable armv6 optimizations
356 --disable-armv6t2 disable armv6t2 optimizations
357 --disable-vfp disable VFP optimizations
358 --disable-neon disable NEON optimizations
359 --disable-inline-asm disable use of inline assembly
360 --disable-yasm disable use of nasm/yasm assembly
361 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
362 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
363 --disable-mipsfpu disable floating point MIPS optimizations
364 --disable-fast-unaligned consider unaligned accesses slow
366 Developer options (useful when working on FFmpeg itself):
367 --disable-debug disable debugging symbols
368 --enable-debug=LEVEL set the debug level [$debuglevel]
369 --disable-optimizations disable compiler optimizations
370 --enable-extra-warnings enable more compiler warnings
371 --disable-stripping disable stripping of executables and shared libraries
372 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
373 2 causes a slowdown at runtime.
374 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
375 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
376 leaks and errors, using the specified valgrind binary.
377 Cannot be combined with --target-exec
378 --enable-ftrapv Trap arithmetic overflows
379 --samples=PATH location of test samples for FATE, if not set use
380 \$FATE_SAMPLES at make invocation time.
381 --enable-neon-clobber-test check NEON registers for clobbering (should be
382 used only for debugging purposes)
383 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
384 should be used only for debugging purposes)
385 --enable-random randomly enable/disable components
387 --enable-random=LIST randomly enable/disable specific components or
388 --disable-random=LIST component groups. LIST is a comma-separated list
389 of NAME[:PROB] entries where NAME is a component
390 (group) and PROB the probability associated with
392 --random-seed=VALUE seed value for --enable/disable-random
394 NOTE: Object files are built at the place where configure is launched.
402 echo "$@" >> $logfile
407 pr -n -t $1 >> $logfile
418 WARNINGS="${WARNINGS}WARNING: $*\n"
425 If you think configure made a mistake, make sure you are using the latest
426 version from Git. If the latest version fails, report the problem to the
427 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
429 if disabled logging; then
431 Rerun configure with logging enabled (do not use --disable-logging), and
432 include the log this produces with your report.
436 Include the log file "$logfile" produced by configure as this will help
443 # Avoid locale weirdness, besides we really just want to translate ASCII.
445 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
449 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
453 echo "$*" | sed 's/["\\]/\\\0/g'
457 v=$(echo "$1" | sed "s/'/'\\\\''/g")
458 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
463 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
470 eval "case $v in $pat) echo $v ;; esac"
478 eval "case $v in $pat) ;; *) echo $v ;; esac"
485 for v; do eval $m; done
491 for v; do echo ${v}${suffix}; done
506 eval : \${$var:=$value}
511 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
517 eval $(sanitize_var_name "$var")='$*'
521 eval echo \$$(sanitize_var_name "$1")
526 eval level=\${${pvar}_level:=0}
527 eval ${pvar}_${level}="\$$pvar"
528 eval ${pvar}_level=$(($level+1))
534 eval level=\${${pvar}_level:-0}
535 test $level = 0 && continue
536 eval level=$(($level-1))
537 eval $pvar="\${${pvar}_${level}}"
538 eval ${pvar}_level=$level
539 eval unset ${pvar}_${level}
561 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
567 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
573 enabled $var && continue
574 eval sel="\$${var}_select"
575 eval sgs="\$${var}_suggest"
579 enable_deep_weak $sgs
591 disabled $var && continue
600 test "${1#!}" = "$1" && op== || op=!=
601 eval test "x\$${1#!}" $op "xyes"
605 test "${1#!}" = "$1" && op== || op=!=
606 eval test "x\$${1#!}" $op "xno"
611 enabled $opt || return 1
617 disabled $opt || return 1
623 enabled $opt && return 0
629 disabled $opt && return 0
636 eval : \${$opt:=\$${opt}_default}
644 [ $var = $value ] && return 0
652 enabled ${cfg}_checking && die "Circular dependency for $cfg."
653 disabled ${cfg}_checking && continue
654 enable ${cfg}_checking
657 eval dep_all="\$${cfg}_deps"
658 eval dep_any="\$${cfg}_deps_any"
659 eval dep_sel="\$${cfg}_select"
660 eval dep_sgs="\$${cfg}_suggest"
661 eval dep_ifa="\$${cfg}_if"
662 eval dep_ifn="\$${cfg}_if_any"
664 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
665 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
666 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
668 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
669 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
670 enabled_all $dep_all || disable $cfg
671 enabled_any $dep_any || disable $cfg
672 disabled_any $dep_sel && disable $cfg
674 if enabled $cfg; then
676 enable_deep_weak $dep_sgs
679 disable ${cfg}_checking
688 for cfg in $allopts; do
689 enabled $cfg || continue
690 eval dep_extralibs="\$${cfg}_extralibs"
691 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
699 map 'eval echo "$v \${$v:-no}"' "$@" |
700 awk "BEGIN { split(\"$files\", files) }
702 c = \"$pfx\" toupper(\$1);
708 if (file ~ /\\.h\$/) {
709 printf(\"#define %s %d\\n\", c, v) >>file;
710 } else if (file ~ /\\.asm\$/) {
711 printf(\"%%define %s %d\\n\", c, v) >>file;
712 } else if (file ~ /\\.mak\$/) {
713 n = -v ? \"\" : \"!\";
714 printf(\"%s%s=yes\\n\", n, c) >>file;
715 } else if (file ~ /\\.texi\$/) {
716 pre = -v ? \"\" : \"@c \";
719 gsub(/_/, \"-\", c2);
720 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
730 enabled $v && printf "%s\n" ${v%$suf};
737 eval "$var=\"\$$var $*\""
743 eval "$var=\"$* \$$var\""
749 for tok in $(eval echo \$$var); do
750 uniq_list="$(filter_out $tok $uniq_list) $tok"
752 eval "$var=\"${uniq_list}\""
760 append CFLAGS $($cflags_filter "$@")
764 append CXXFLAGS $($cflags_filter "$@")
768 append ASFLAGS $($asflags_filter "$@")
772 append LDFLAGS $($ldflags_filter "$@")
776 append LDEXEFLAGS $($ldflags_filter "$@")
780 append ASMSTRIPFLAGS "$@"
784 prepend extralibs $($ldflags_filter "$@")
788 append host_cppflags "$@"
792 append host_cflags $($host_cflags_filter "$@")
796 append host_ldflags $($host_ldflags_filter "$@")
800 append compat_objs $1
802 map 'add_cppflags -D$v' "$@"
807 "$@" >> $logfile 2>&1
812 stat "$1" >> $logfile 2>&1
816 eval printf '%s\\n' $CC_O
820 eval printf '%s\\n' $CC_E
827 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
834 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
841 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
848 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
852 eval printf '%s\\n' $AS_O
859 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
863 log check_inline_asm "$@"
868 check_cc "$@" <<EOF && enable $name
869 void foo(void){ __asm__ volatile($code); }
875 check_inline_asm ${1}_inline "\"$2\""
876 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
884 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
888 eval printf '%s\\n' $LD_O
895 flags=$(filter_out '-l*|*.so' $@)
896 libs=$(filter '-l*|*.so' $@)
897 check_$type $($cflags_filter $flags) || return
898 flags=$($ldflags_filter $flags)
899 libs=$($ldflags_filter $libs)
900 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
905 test "${hdr%.h}" = "${hdr}" &&
906 echo "#include $hdr" ||
907 echo "#include <$hdr>"
917 for hdr in $headers; do
920 echo "int main(void) { $code; return 0; }"
921 } | check_$check "$@"
925 log check_cppflags "$@"
926 check_cc "$@" <<EOF && append CPPFLAGS "$@"
933 set -- $($cflags_filter "$@")
940 log check_cflags "$@"
941 test_cflags "$@" && add_cflags "$@"
945 log check_cxxflags "$@"
946 set -- $($cflags_filter "$@")
947 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
953 log test_ldflags "$@"
954 check_ld "cc" "$@" <<EOF
955 int main(void){ return 0; }
960 log check_ldflags "$@"
961 test_ldflags "$@" && add_ldflags "$@"
965 log test_stripflags "$@"
966 # call check_cc to get a fresh TMPO
968 int main(void) { return 0; }
970 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
974 log check_stripflags "$@"
975 test_stripflags "$@" && add_stripflags "$@"
979 log check_header "$@"
983 check_cpp "$@" <<EOF && enable_safe $header
990 log check_header_oc "$@"
996 echo "#include <$header>"
997 echo "int main(void) { return 0; }"
998 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1006 check_ld "cc" "$@" <<EOF && enable $func
1008 int main(void){ $func(); }
1013 log check_mathfunc "$@"
1017 test $narg = 2 && args="f, g" || args="f"
1019 check_ld "cc" "$@" <<EOF && enable $func
1021 float foo(float f, float g) { return $func($args); }
1022 int main(void){ return (int) foo; }
1026 check_func_headers(){
1027 log check_func_headers "$@"
1032 for hdr in $headers; do
1035 for func in $funcs; do
1036 echo "long check_$func(void) { return (long) $func; }"
1038 echo "int main(void) { return 0; }"
1039 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1042 check_class_headers_cpp(){
1043 log check_class_headers_cpp "$@"
1048 for hdr in $headers; do
1049 echo "#include <$hdr>"
1051 echo "int main(void) { "
1053 for class in $classes; do
1054 echo "$class obj$i;"
1058 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1061 check_cpp_condition(){
1062 log check_cpp_condition "$@"
1066 check_cpp "$@" <<EOF
1069 #error "unsatisfied condition: $condition"
1079 check_header $header && check_func $func "$@" && add_extralibs "$@"
1087 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1091 log check_lib_cpp "$@"
1095 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1099 log check_pkg_config "$@"
1105 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1106 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1107 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1108 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1109 set_safe ${pkg}_cflags $pkg_cflags &&
1110 set_safe ${pkg}_libs $pkg_libs
1114 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1120 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1121 # are safe but may not be available everywhere. Thus we use
1122 # raise(SIGTERM) instead. The check is run in a subshell so we
1123 # can redirect the "Terminated" message from the shell. SIGBUS
1124 # is not defined by standard C so it is used conditionally.
1126 (check_exec "$@") >> $logfile 2>&1 <<EOF
1128 static void sighandler(int sig){
1134 int (*func_ptr)(void) = foo;
1136 signal(SIGILL, sighandler);
1137 signal(SIGFPE, sighandler);
1138 signal(SIGSEGV, sighandler);
1140 signal(SIGBUS, sighandler);
1152 disable_safe "$type"
1153 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1157 log check_struct "$@"
1162 disable_safe "${struct}_${member}"
1163 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1164 enable_safe "${struct}_${member}"
1168 log check_builtin "$@"
1174 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1177 check_compile_assert(){
1178 log check_compile_assert "$@"
1184 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1192 check_lib $header $func "$@" || die "ERROR: $name not found"
1200 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1208 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1213 check_pkg_config "$@" || return 1
1214 add_cflags $(get_safe ${pkg}_cflags)
1215 add_extralibs $(get_safe ${pkg}_libs)
1218 require_pkg_config(){
1219 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1222 require_libfreetype(){
1223 log require_libfreetype "$@"
1225 check_cmd $pkg_config --exists --print-errors $pkg \
1226 || die "ERROR: $pkg not found"
1227 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1228 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1230 echo "#include <ft2build.h>"
1231 echo "#include FT_FREETYPE_H"
1232 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1233 echo "int main(void) { return 0; }"
1234 } | check_ld "cc" $pkg_cflags $pkg_libs \
1235 && set_safe ${pkg}_cflags $pkg_cflags \
1236 && set_safe ${pkg}_libs $pkg_libs \
1237 || die "ERROR: $pkg not found"
1238 add_cflags $(get_safe ${pkg}_cflags)
1239 add_extralibs $(get_safe ${pkg}_libs)
1243 eval printf '%s\\n' $HOSTCC_E
1247 eval printf '%s\\n' $HOSTCC_O
1251 log check_host_cc "$@"
1254 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1258 log check_host_cpp "$@"
1261 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1264 check_host_cppflags(){
1265 log check_host_cppflags "$@"
1266 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1271 check_host_cflags(){
1272 log check_host_cflags "$@"
1273 set -- $($host_cflags_filter "$@")
1274 check_host_cc "$@" <<EOF && append host_cflags "$@"
1279 check_host_cpp_condition(){
1280 log check_host_cpp_condition "$@"
1284 check_host_cpp "$@" <<EOF
1287 #error "unsatisfied condition: $condition"
1295 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1299 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1300 mkdir -p "$(dirname $2)"
1304 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1305 # system-dependent things.
1322 avio_reading_example
1323 decoding_encoding_example
1324 demuxing_decoding_example
1326 filter_audio_example
1327 filtering_audio_example
1328 filtering_video_example
1333 resampling_audio_example
1334 scaling_video_example
1335 transcode_aac_example
1339 EXTERNAL_LIBRARY_LIST="
1432 safe_bitstream_reader
1491 $EXTERNAL_LIBRARY_LIST
1499 incompatible_libav_abi
1560 ARCH_EXT_LIST_MIPS="
1567 ARCH_EXT_LIST_X86_SIMD="
1594 $ARCH_EXT_LIST_X86_SIMD
1620 atomic_compare_exchange
1626 sync_val_compare_and_swap
1637 incompatible_libav_abi
1646 cdio_paranoia_paranoia_h
1647 dev_bktr_ioctl_bt848_h
1648 dev_bktr_ioctl_meteor_h
1650 dev_video_bktr_ioctl_bt848_h
1651 dev_video_meteor_ioctl_meteor_h
1659 machine_ioctl_bt848_h
1660 machine_ioctl_meteor_h
1662 openjpeg_1_5_openjpeg_h
1729 GetProcessAffinityMask
1730 GetProcessMemoryInfo
1734 GetSystemTimeAsFileTime
1741 jack_port_get_latency_range
1756 SetConsoleTextAttribute
1768 TOOLCHAIN_FEATURES="
1781 inline_asm_nonlocal_labels
1782 inline_asm_direct_symbol_refs
1793 CONDITION_VARIABLE_Ptr
1797 struct_group_source_req
1798 struct_ip_mreq_source
1801 struct_rusage_ru_maxrss
1802 struct_sctp_event_subscribe
1804 struct_sockaddr_sa_len
1805 struct_sockaddr_storage
1806 struct_stat_st_mtim_tv_nsec
1807 struct_v4l2_frmivalenum_discrete
1812 $(add_suffix _external $ARCH_EXT_LIST)
1813 $(add_suffix _inline $ARCH_EXT_LIST)
1846 # options emitted with CONFIG_ prefix but not available on the command line
1861 frame_thread_encoder
1985 # code dependency declarations
1987 # architecture extensions
1992 armv8_deps="aarch64"
1993 neon_deps_any="aarch64 arm"
1994 intrinsics_neon_deps="neon"
1995 vfp_deps_any="aarch64 arm"
1999 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2002 mipsdspr1_deps="mips"
2003 mipsdspr2_deps="mips"
2010 x86_64_select="i686"
2011 x86_64_suggest="fast_cmov"
2014 amd3dnowext_deps="amd3dnow"
2030 mmx_external_deps="yasm"
2031 mmx_inline_deps="inline_asm"
2032 mmx_suggest="mmx_external mmx_inline"
2034 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2035 eval dep=\$${ext}_deps
2036 eval ${ext}_external_deps='"${dep}_external"'
2037 eval ${ext}_inline_deps='"${dep}_inline"'
2038 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2041 aligned_stack_if_any="aarch64 ppc x86"
2042 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2043 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2044 fast_unaligned_if_any="aarch64 ppc x86"
2045 simd_align_16_if_any="altivec neon sse"
2047 # system capabilities
2049 symver_if_any="symver_asm_label symver_gnu_asm"
2052 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2053 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2054 atomics_win32_if="MemoryBarrier"
2055 atomics_native_if_any="$ATOMICS_LIST"
2056 w32threads_deps="atomics_native"
2057 threads_if_any="$THREADS_LIST"
2061 error_resilience_select="me_cmp"
2062 faandct_deps="faan fdctdsp"
2063 faanidct_deps="faan idctdsp"
2064 frame_thread_encoder_deps="encoders threads"
2065 intrax8_select="error_resilience"
2068 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2069 mpeg_er_select="error_resilience"
2070 mpegaudio_select="mpegaudiodsp"
2071 mpegaudiodsp_select="dct"
2072 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2073 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2075 # decoders / encoders
2076 aac_decoder_select="imdct15 mdct sinewin"
2077 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2078 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2079 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2080 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2081 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2082 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2083 aic_decoder_select="golomb idctdsp"
2084 alac_encoder_select="lpc"
2085 als_decoder_select="bswapdsp"
2086 amrnb_decoder_select="lsp"
2087 amrwb_decoder_select="lsp"
2088 amv_decoder_select="sp5x_decoder exif"
2089 amv_encoder_select="aandcttables mpegvideoenc"
2090 ape_decoder_select="bswapdsp llauddsp"
2091 apng_decoder_select="zlib"
2092 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2093 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2094 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2095 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2096 atrac1_decoder_select="mdct sinewin"
2097 atrac3_decoder_select="mdct"
2098 atrac3p_decoder_select="mdct sinewin"
2099 avrn_decoder_select="exif"
2100 bink_decoder_select="blockdsp hpeldsp"
2101 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2102 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2103 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2104 cllc_decoder_select="bswapdsp"
2105 comfortnoise_encoder_select="lpc"
2106 cook_decoder_select="audiodsp mdct sinewin"
2107 cscd_decoder_select="lzo"
2108 cscd_decoder_suggest="zlib"
2109 dca_decoder_select="fmtconvert mdct"
2110 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2111 dnxhd_decoder_select="blockdsp idctdsp"
2112 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2113 dvvideo_decoder_select="dvprofile idctdsp"
2114 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2115 dxa_decoder_select="zlib"
2116 eac3_decoder_select="ac3_decoder"
2117 eac3_encoder_select="ac3_encoder"
2118 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2119 eatgq_decoder_select="aandcttables"
2120 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2121 exr_decoder_select="zlib"
2122 ffv1_decoder_select="golomb rangecoder"
2123 ffv1_encoder_select="rangecoder"
2124 ffvhuff_decoder_select="huffyuv_decoder"
2125 ffvhuff_encoder_select="huffyuv_encoder"
2126 fic_decoder_select="golomb"
2127 flac_decoder_select="golomb"
2128 flac_encoder_select="bswapdsp golomb lpc"
2129 flashsv_decoder_select="zlib"
2130 flashsv_encoder_select="zlib"
2131 flashsv2_encoder_select="zlib"
2132 flashsv2_decoder_select="zlib"
2133 flv_decoder_select="h263_decoder"
2134 flv_encoder_select="h263_encoder"
2135 fourxm_decoder_select="blockdsp bswapdsp"
2136 fraps_decoder_select="bswapdsp huffman"
2137 g2m_decoder_select="blockdsp idctdsp zlib"
2138 g729_decoder_select="audiodsp"
2139 h261_decoder_select="mpeg_er mpegvideo"
2140 h261_encoder_select="aandcttables mpegvideoenc"
2141 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2142 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2143 h263i_decoder_select="h263_decoder"
2144 h263p_encoder_select="h263_encoder"
2145 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2146 h264_decoder_suggest="error_resilience"
2147 h264_qsv_decoder_deps="libmfx"
2148 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsv h264_qsv_hwaccel"
2149 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2150 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2151 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2152 iac_decoder_select="imc_decoder"
2153 imc_decoder_select="bswapdsp fft mdct sinewin"
2154 indeo3_decoder_select="hpeldsp"
2155 interplay_video_decoder_select="hpeldsp"
2156 jpegls_decoder_select="golomb mjpeg_decoder"
2157 jpegls_encoder_select="golomb"
2158 jv_decoder_select="blockdsp"
2159 lagarith_decoder_select="huffyuvdsp"
2160 ljpeg_encoder_select="aandcttables idctdsp"
2161 loco_decoder_select="golomb"
2162 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2163 metasound_decoder_select="lsp mdct sinewin"
2164 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2165 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2166 mjpeg_encoder_select="aandcttables mpegvideoenc"
2167 mjpegb_decoder_select="mjpeg_decoder"
2168 mlp_decoder_select="mlp_parser"
2169 motionpixels_decoder_select="bswapdsp"
2170 mp1_decoder_select="mpegaudio"
2171 mp1float_decoder_select="mpegaudio"
2172 mp2_decoder_select="mpegaudio"
2173 mp2float_decoder_select="mpegaudio"
2174 mp3_decoder_select="mpegaudio"
2175 mp3adu_decoder_select="mpegaudio"
2176 mp3adufloat_decoder_select="mpegaudio"
2177 mp3float_decoder_select="mpegaudio"
2178 mp3on4_decoder_select="mpegaudio"
2179 mp3on4float_decoder_select="mpegaudio"
2180 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2181 mpc8_decoder_select="mpegaudiodsp"
2182 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2183 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2184 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2185 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2186 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2187 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2188 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2189 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2190 mpeg4_encoder_select="h263_encoder"
2191 msmpeg4v1_decoder_select="h263_decoder"
2192 msmpeg4v2_decoder_select="h263_decoder"
2193 msmpeg4v2_encoder_select="h263_encoder"
2194 msmpeg4v3_decoder_select="h263_decoder"
2195 msmpeg4v3_encoder_select="h263_encoder"
2196 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2197 mxpeg_decoder_select="mjpeg_decoder"
2198 nellymoser_decoder_select="mdct sinewin"
2199 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2200 nuv_decoder_select="idctdsp lzo"
2201 on2avc_decoder_select="mdct"
2202 opus_decoder_deps="swresample"
2203 opus_decoder_select="imdct15"
2204 png_decoder_select="zlib"
2205 png_encoder_select="huffyuvencdsp zlib"
2206 prores_decoder_select="blockdsp idctdsp"
2207 prores_encoder_select="fdctdsp"
2208 qcelp_decoder_select="lsp"
2209 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2210 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2211 ra_144_decoder_select="audiodsp"
2212 ralf_decoder_select="golomb"
2213 rawvideo_decoder_select="bswapdsp"
2214 rtjpeg_decoder_select="me_cmp"
2215 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2216 rv10_encoder_select="h263_encoder"
2217 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2218 rv20_encoder_select="h263_encoder"
2219 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2220 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2221 shorten_decoder_select="golomb"
2222 sipr_decoder_select="lsp"
2223 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2224 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2225 sonic_decoder_select="golomb rangecoder"
2226 sonic_encoder_select="golomb rangecoder"
2227 sonic_ls_encoder_select="golomb rangecoder"
2228 sp5x_decoder_select="mjpeg_decoder"
2229 svq1_decoder_select="hpeldsp"
2230 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2231 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2232 svq3_decoder_suggest="zlib"
2233 tak_decoder_select="audiodsp"
2234 tdsc_decoder_select="zlib mjpeg_decoder"
2235 theora_decoder_select="vp3_decoder"
2236 thp_decoder_select="mjpeg_decoder"
2237 tiff_decoder_suggest="zlib lzma"
2238 tiff_encoder_suggest="zlib"
2239 truehd_decoder_select="mlp_parser"
2240 truemotion2_decoder_select="bswapdsp"
2241 truespeech_decoder_select="bswapdsp"
2242 tscc_decoder_select="zlib"
2243 twinvq_decoder_select="mdct lsp sinewin"
2244 utvideo_decoder_select="bswapdsp"
2245 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2246 vble_decoder_select="huffyuvdsp"
2247 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2248 vc1image_decoder_select="vc1_decoder"
2249 vorbis_decoder_select="mdct"
2250 vorbis_encoder_select="mdct"
2251 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2252 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2253 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2254 vp6a_decoder_select="vp6_decoder"
2255 vp6f_decoder_select="vp6_decoder"
2256 vp7_decoder_select="h264pred videodsp"
2257 vp8_decoder_select="h264pred videodsp"
2258 vp9_decoder_select="videodsp vp9_parser"
2259 webp_decoder_select="vp8_decoder"
2260 wmalossless_decoder_select="llauddsp"
2261 wmapro_decoder_select="mdct sinewin wma_freqs"
2262 wmav1_decoder_select="mdct sinewin wma_freqs"
2263 wmav1_encoder_select="mdct sinewin wma_freqs"
2264 wmav2_decoder_select="mdct sinewin wma_freqs"
2265 wmav2_encoder_select="mdct sinewin wma_freqs"
2266 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2267 wmv1_decoder_select="h263_decoder"
2268 wmv1_encoder_select="h263_encoder"
2269 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2270 wmv2_encoder_select="h263_encoder"
2271 wmv3_decoder_select="vc1_decoder"
2272 wmv3image_decoder_select="wmv3_decoder"
2273 zerocodec_decoder_select="zlib"
2274 zlib_decoder_select="zlib"
2275 zlib_encoder_select="zlib"
2276 zmbv_decoder_select="zlib"
2277 zmbv_encoder_select="zlib"
2279 # hardware accelerators
2280 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2281 dxva2_deps="dxva2api_h"
2282 vaapi_deps="va_va_h"
2283 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2284 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2285 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2286 xvmc_deps="X11_extensions_XvMClib_h"
2288 h263_vaapi_hwaccel_deps="vaapi"
2289 h263_vaapi_hwaccel_select="h263_decoder"
2290 h263_vdpau_hwaccel_deps="vdpau"
2291 h263_vdpau_hwaccel_select="h263_decoder"
2292 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2293 h264_dxva2_hwaccel_deps="dxva2"
2294 h264_dxva2_hwaccel_select="h264_decoder"
2295 h264_qsv_hwaccel_deps="libmfx"
2296 h264_vaapi_hwaccel_deps="vaapi"
2297 h264_vaapi_hwaccel_select="h264_decoder"
2298 h264_vda_decoder_deps="vda"
2299 h264_vda_decoder_select="h264_decoder"
2300 h264_vda_hwaccel_deps="vda"
2301 h264_vda_hwaccel_select="h264_decoder"
2302 h264_vda_old_hwaccel_deps="vda"
2303 h264_vda_old_hwaccel_select="h264_decoder"
2304 h264_vdpau_decoder_deps="vdpau"
2305 h264_vdpau_decoder_select="h264_decoder"
2306 h264_vdpau_hwaccel_deps="vdpau"
2307 h264_vdpau_hwaccel_select="h264_decoder"
2308 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2309 hevc_dxva2_hwaccel_select="hevc_decoder"
2310 mpeg_vdpau_decoder_deps="vdpau"
2311 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2312 mpeg_xvmc_hwaccel_deps="xvmc"
2313 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2314 mpeg1_vdpau_decoder_deps="vdpau"
2315 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2316 mpeg1_vdpau_hwaccel_deps="vdpau"
2317 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2318 mpeg1_xvmc_hwaccel_deps="xvmc"
2319 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2320 mpeg2_crystalhd_decoder_select="crystalhd"
2321 mpeg2_dxva2_hwaccel_deps="dxva2"
2322 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2323 mpeg2_vaapi_hwaccel_deps="vaapi"
2324 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2325 mpeg2_vdpau_hwaccel_deps="vdpau"
2326 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2327 mpeg2_xvmc_hwaccel_deps="xvmc"
2328 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2329 mpeg4_crystalhd_decoder_select="crystalhd"
2330 mpeg4_vaapi_hwaccel_deps="vaapi"
2331 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2332 mpeg4_vdpau_decoder_deps="vdpau"
2333 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2334 mpeg4_vdpau_hwaccel_deps="vdpau"
2335 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2336 msmpeg4_crystalhd_decoder_select="crystalhd"
2337 vc1_crystalhd_decoder_select="crystalhd"
2338 vc1_dxva2_hwaccel_deps="dxva2"
2339 vc1_dxva2_hwaccel_select="vc1_decoder"
2340 vc1_vaapi_hwaccel_deps="vaapi"
2341 vc1_vaapi_hwaccel_select="vc1_decoder"
2342 vc1_vdpau_decoder_deps="vdpau"
2343 vc1_vdpau_decoder_select="vc1_decoder"
2344 vc1_vdpau_hwaccel_deps="vdpau"
2345 vc1_vdpau_hwaccel_select="vc1_decoder"
2346 wmv3_crystalhd_decoder_select="crystalhd"
2347 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2348 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2349 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2350 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2353 h264_parser_select="h264_decoder"
2354 hevc_parser_select="hevc_decoder"
2355 mpegvideo_parser_select="mpegvideo"
2356 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2357 vc1_parser_select="mpegvideo startcode vc1_decoder"
2359 # external libraries
2360 libaacplus_encoder_deps="libaacplus"
2361 libcelt_decoder_deps="libcelt"
2362 libfaac_encoder_deps="libfaac"
2363 libfaac_encoder_select="audio_frame_queue"
2364 libfdk_aac_decoder_deps="libfdk_aac"
2365 libfdk_aac_encoder_deps="libfdk_aac"
2366 libfdk_aac_encoder_select="audio_frame_queue"
2367 libgme_demuxer_deps="libgme"
2368 libgsm_decoder_deps="libgsm"
2369 libgsm_encoder_deps="libgsm"
2370 libgsm_ms_decoder_deps="libgsm"
2371 libgsm_ms_encoder_deps="libgsm"
2372 libilbc_decoder_deps="libilbc"
2373 libilbc_encoder_deps="libilbc"
2374 libmodplug_demuxer_deps="libmodplug"
2375 libmp3lame_encoder_deps="libmp3lame"
2376 libmp3lame_encoder_select="audio_frame_queue"
2377 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2378 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2379 libopencore_amrnb_encoder_select="audio_frame_queue"
2380 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2381 libopenh264_encoder_deps="libopenh264"
2382 libopenjpeg_decoder_deps="libopenjpeg"
2383 libopenjpeg_encoder_deps="libopenjpeg"
2384 libopus_decoder_deps="libopus"
2385 libopus_encoder_deps="libopus"
2386 libopus_encoder_select="audio_frame_queue"
2387 libquvi_demuxer_deps="libquvi"
2388 libschroedinger_decoder_deps="libschroedinger"
2389 libschroedinger_encoder_deps="libschroedinger"
2390 libshine_encoder_deps="libshine"
2391 libshine_encoder_select="audio_frame_queue"
2392 libspeex_decoder_deps="libspeex"
2393 libspeex_encoder_deps="libspeex"
2394 libspeex_encoder_select="audio_frame_queue"
2395 libstagefright_h264_decoder_deps="libstagefright_h264"
2396 libtheora_encoder_deps="libtheora"
2397 libtwolame_encoder_deps="libtwolame"
2398 libvo_aacenc_encoder_deps="libvo_aacenc"
2399 libvo_aacenc_encoder_select="audio_frame_queue"
2400 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2401 libvorbis_decoder_deps="libvorbis"
2402 libvorbis_encoder_deps="libvorbis"
2403 libvorbis_encoder_select="audio_frame_queue"
2404 libvpx_vp8_decoder_deps="libvpx"
2405 libvpx_vp8_encoder_deps="libvpx"
2406 libvpx_vp9_decoder_deps="libvpx"
2407 libvpx_vp9_encoder_deps="libvpx"
2408 libwavpack_encoder_deps="libwavpack"
2409 libwebp_encoder_deps="libwebp"
2410 libx264_encoder_deps="libx264"
2411 libx264rgb_encoder_deps="libx264"
2412 libx264rgb_encoder_select="libx264_encoder"
2413 libx265_encoder_deps="libx265"
2414 libxavs_encoder_deps="libxavs"
2415 libxvid_encoder_deps="libxvid"
2416 libutvideo_decoder_deps="libutvideo"
2417 libutvideo_encoder_deps="libutvideo"
2418 libzvbi_teletext_decoder_deps="libzvbi"
2419 nvenc_encoder_deps="nvenc"
2422 ac3_demuxer_select="ac3_parser"
2423 asf_demuxer_select="riffdec"
2424 asf_muxer_select="riffenc"
2425 asf_stream_muxer_select="asf_muxer"
2426 avi_demuxer_select="riffdec exif"
2427 avi_muxer_select="riffenc"
2428 avisynth_demuxer_deps="avisynth"
2429 avisynth_demuxer_select="riffdec"
2430 caf_demuxer_select="riffdec"
2431 dash_muxer_select="mp4_muxer"
2432 dirac_demuxer_select="dirac_parser"
2433 dts_demuxer_select="dca_parser"
2434 dtshd_demuxer_select="dca_parser"
2435 dv_demuxer_select="dvprofile"
2436 dv_muxer_select="dvprofile"
2437 dxa_demuxer_select="riffdec"
2438 eac3_demuxer_select="ac3_parser"
2439 f4v_muxer_select="mov_muxer"
2440 flac_demuxer_select="flac_parser"
2441 hds_muxer_select="flv_muxer"
2442 hls_muxer_select="mpegts_muxer"
2443 image2_alias_pix_demuxer_select="image2_demuxer"
2444 image2_brender_pix_demuxer_select="image2_demuxer"
2445 ipod_muxer_select="mov_muxer"
2446 ismv_muxer_select="mov_muxer"
2447 libnut_demuxer_deps="libnut"
2448 libnut_muxer_deps="libnut"
2449 matroska_audio_muxer_select="matroska_muxer"
2450 matroska_demuxer_select="riffdec"
2451 matroska_demuxer_suggest="bzlib lzo zlib"
2452 matroska_muxer_select="riffenc"
2453 mmf_muxer_select="riffenc"
2454 mov_demuxer_select="riffdec"
2455 mov_demuxer_suggest="zlib"
2456 mov_muxer_select="riffenc rtpenc_chain"
2457 mp3_demuxer_select="mpegaudio_parser"
2458 mp4_muxer_select="mov_muxer"
2459 mpegts_muxer_select="adts_muxer latm_muxer"
2460 mpegtsraw_demuxer_select="mpegts_demuxer"
2461 mxf_d10_muxer_select="mxf_muxer"
2462 mxf_opatom_muxer_select="mxf_muxer"
2463 nut_muxer_select="riffenc"
2464 nuv_demuxer_select="riffdec"
2465 oga_muxer_select="ogg_muxer"
2466 ogg_demuxer_select="golomb"
2467 opus_muxer_select="ogg_muxer"
2468 psp_muxer_select="mov_muxer"
2469 rtp_demuxer_select="sdp_demuxer"
2470 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2471 rtsp_demuxer_select="http_protocol rtpdec"
2472 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2473 sap_demuxer_select="sdp_demuxer"
2474 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2475 sdp_demuxer_select="rtpdec"
2476 smoothstreaming_muxer_select="ismv_muxer"
2477 spdif_muxer_select="aac_parser"
2478 spx_muxer_select="ogg_muxer"
2479 tak_demuxer_select="tak_parser"
2480 tg2_muxer_select="mov_muxer"
2481 tgp_muxer_select="mov_muxer"
2482 vobsub_demuxer_select="mpegps_demuxer"
2483 w64_demuxer_select="wav_demuxer"
2484 w64_muxer_select="wav_muxer"
2485 wav_demuxer_select="riffdec"
2486 wav_muxer_select="riffenc"
2487 webm_muxer_select="riffenc"
2488 wtv_demuxer_select="riffdec"
2489 wtv_muxer_select="riffenc"
2490 xmv_demuxer_select="riffdec"
2491 xwma_demuxer_select="riffdec"
2494 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2495 alsa_outdev_deps="alsa_asoundlib_h"
2496 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2497 avfoundation_indev_select="avfoundation"
2498 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2499 caca_outdev_deps="libcaca"
2500 decklink_outdev_deps="decklink pthreads"
2501 decklink_outdev_extralibs="-lstdc++"
2502 decklink_indev_deps="decklink pthreads"
2503 decklink_indev_extralibs="-lstdc++"
2504 dshow_indev_deps="IBaseFilter"
2505 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32"
2506 dv1394_indev_deps="dv1394"
2507 dv1394_indev_select="dv_demuxer"
2508 fbdev_indev_deps="linux_fb_h"
2509 fbdev_outdev_deps="linux_fb_h"
2510 gdigrab_indev_deps="CreateDIBSection"
2511 gdigrab_indev_extralibs="-lgdi32"
2512 gdigrab_indev_select="bmp_decoder"
2513 iec61883_indev_deps="libiec61883"
2514 jack_indev_deps="jack_jack_h sem_timedwait"
2515 lavfi_indev_deps="avfilter"
2516 libcdio_indev_deps="libcdio"
2517 libdc1394_indev_deps="libdc1394"
2518 libv4l2_indev_deps="libv4l2"
2519 openal_indev_deps="openal"
2520 opengl_outdev_deps="opengl"
2521 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2522 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2523 pulse_indev_deps="libpulse"
2524 pulse_outdev_deps="libpulse"
2525 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2526 qtkit_indev_select="qtkit"
2527 sdl_outdev_deps="sdl"
2528 sndio_indev_deps="sndio_h"
2529 sndio_outdev_deps="sndio_h"
2530 v4l_indev_deps="linux_videodev_h"
2531 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2532 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2533 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2534 vfwcap_indev_extralibs="-lavicap32"
2535 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2536 xv_outdev_extralibs="-lXv -lX11 -lXext"
2537 x11grab_indev_deps="x11grab"
2538 x11grab_xcb_indev_deps="libxcb"
2541 bluray_protocol_deps="libbluray"
2542 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2543 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2544 ffrtmpcrypt_protocol_select="tcp_protocol"
2545 ffrtmphttp_protocol_deps="!librtmp_protocol"
2546 ffrtmphttp_protocol_select="http_protocol"
2547 ftp_protocol_select="tcp_protocol"
2548 gopher_protocol_select="network"
2549 http_protocol_select="tcp_protocol"
2550 httpproxy_protocol_select="tcp_protocol"
2551 https_protocol_select="tls_protocol"
2552 icecast_protocol_select="http_protocol"
2553 librtmp_protocol_deps="librtmp"
2554 librtmpe_protocol_deps="librtmp"
2555 librtmps_protocol_deps="librtmp"
2556 librtmpt_protocol_deps="librtmp"
2557 librtmpte_protocol_deps="librtmp"
2558 libsmbclient_protocol_deps="libsmbclient gplv3"
2559 libssh_protocol_deps="libssh"
2560 mmsh_protocol_select="http_protocol"
2561 mmst_protocol_select="network"
2562 rtmp_protocol_deps="!librtmp_protocol"
2563 rtmp_protocol_select="tcp_protocol"
2564 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2565 rtmps_protocol_deps="!librtmp_protocol"
2566 rtmps_protocol_select="tls_protocol"
2567 rtmpt_protocol_select="ffrtmphttp_protocol"
2568 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2569 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2570 rtp_protocol_select="udp_protocol"
2571 sctp_protocol_deps="struct_sctp_event_subscribe"
2572 sctp_protocol_select="network"
2573 srtp_protocol_select="rtp_protocol"
2574 tcp_protocol_select="network"
2575 tls_protocol_deps_any="openssl gnutls"
2576 tls_protocol_select="tcp_protocol"
2577 udp_protocol_select="network"
2578 udplite_protocol_select="network"
2579 unix_protocol_deps="sys_un_h"
2580 unix_protocol_select="network"
2583 amovie_filter_deps="avcodec avformat"
2584 aresample_filter_deps="swresample"
2585 ass_filter_deps="libass"
2586 asyncts_filter_deps="avresample"
2587 atempo_filter_deps="avcodec"
2588 atempo_filter_select="rdft"
2589 azmq_filter_deps="libzmq"
2590 blackframe_filter_deps="gpl"
2591 boxblur_filter_deps="gpl"
2592 bs2b_filter_deps="libbs2b"
2593 colormatrix_filter_deps="gpl"
2594 cropdetect_filter_deps="gpl"
2595 delogo_filter_deps="gpl"
2596 deshake_filter_select="pixelutils"
2597 drawtext_filter_deps="libfreetype"
2598 ebur128_filter_deps="gpl"
2599 eq_filter_deps="gpl"
2600 fftfilt_filter_deps="avcodec"
2601 fftfilt_filter_select="rdft"
2602 flite_filter_deps="libflite"
2603 frei0r_filter_deps="frei0r dlopen"
2604 frei0r_src_filter_deps="frei0r dlopen"
2605 fspp_filter_deps="gpl"
2606 geq_filter_deps="gpl"
2607 histeq_filter_deps="gpl"
2608 hqdn3d_filter_deps="gpl"
2609 interlace_filter_deps="gpl"
2610 kerndeint_filter_deps="gpl"
2611 ladspa_filter_deps="ladspa dlopen"
2612 mcdeint_filter_deps="avcodec gpl"
2613 movie_filter_deps="avcodec avformat"
2614 mpdecimate_filter_deps="gpl"
2615 mpdecimate_filter_select="pixelutils"
2616 mptestsrc_filter_deps="gpl"
2617 negate_filter_deps="lut_filter"
2618 perspective_filter_deps="gpl"
2619 pp7_filter_deps="gpl"
2620 ocv_filter_deps="libopencv"
2621 owdenoise_filter_deps="gpl"
2622 pan_filter_deps="swresample"
2623 phase_filter_deps="gpl"
2624 pp_filter_deps="gpl postproc"
2625 pullup_filter_deps="gpl"
2626 removelogo_filter_deps="avcodec avformat swscale"
2627 repeatfields_filter_deps="gpl"
2628 resample_filter_deps="avresample"
2629 sab_filter_deps="gpl swscale"
2630 scale_filter_deps="swscale"
2631 select_filter_select="pixelutils"
2632 smartblur_filter_deps="gpl swscale"
2633 showspectrum_filter_deps="avcodec"
2634 showspectrum_filter_select="rdft"
2635 spp_filter_deps="gpl avcodec"
2636 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2637 stereo3d_filter_deps="gpl"
2638 subtitles_filter_deps="avformat avcodec libass"
2639 super2xsai_filter_deps="gpl"
2640 tinterlace_filter_deps="gpl"
2641 vidstabdetect_filter_deps="libvidstab"
2642 vidstabtransform_filter_deps="libvidstab"
2643 pixfmts_super2xsai_test_deps="super2xsai_filter"
2644 tinterlace_merge_test_deps="tinterlace_filter"
2645 tinterlace_pad_test_deps="tinterlace_filter"
2646 uspp_filter_deps="gpl avcodec"
2647 zmq_filter_deps="libzmq"
2648 zoompan_filter_deps="swscale"
2651 avio_reading="avformat avcodec avutil"
2652 avcodec_example_deps="avcodec avutil"
2653 decoding_encoding_example_deps="avcodec avformat avutil"
2654 demuxing_decoding_example_deps="avcodec avformat avutil"
2655 extract_mvs_example_deps="avcodec avformat avutil"
2656 filter_audio_example_deps="avfilter avutil"
2657 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2658 filtering_video_example_deps="avfilter avcodec avformat avutil"
2659 metadata_example_deps="avformat avutil"
2660 muxing_example_deps="avcodec avformat avutil swscale"
2661 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2662 remuxing_example_deps="avcodec avformat avutil"
2663 resampling_audio_example_deps="avutil swresample"
2664 scaling_video_example_deps="avutil swscale"
2665 transcode_aac_example_deps="avcodec avformat swresample"
2666 transcoding_example_deps="avfilter avcodec avformat avutil"
2668 # libraries, in linking order
2669 avcodec_deps="avutil"
2670 avdevice_deps="avformat avcodec avutil"
2671 avfilter_deps="avutil"
2672 avformat_deps="avcodec avutil"
2673 avresample_deps="avutil"
2674 postproc_deps="avutil gpl"
2675 swresample_deps="avutil"
2676 swscale_deps="avutil"
2679 ffmpeg_deps="avcodec avfilter avformat swresample"
2680 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2682 setpts_filter trim_filter"
2683 ffplay_deps="avcodec avformat swscale swresample sdl"
2684 ffplay_libs='$sdl_libs'
2685 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2686 ffprobe_deps="avcodec avformat"
2687 ffserver_deps="avformat fork sarestart"
2688 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2691 podpages_deps="perl"
2692 manpages_deps="perl pod2man"
2693 htmlpages_deps="perl"
2694 htmlpages_deps_any="makeinfo_html texi2html"
2695 txtpages_deps="perl makeinfo"
2696 doc_deps_any="manpages htmlpages podpages txtpages"
2698 # default parameters
2700 logfile="config.log"
2702 # installation paths
2703 prefix_default="/usr/local"
2704 bindir_default='${prefix}/bin'
2705 datadir_default='${prefix}/share/ffmpeg'
2706 docdir_default='${prefix}/share/doc/ffmpeg'
2707 incdir_default='${prefix}/include'
2708 libdir_default='${prefix}/lib'
2709 mandir_default='${prefix}/share/man'
2715 host_cc_default="gcc"
2717 doxygen_default="doxygen"
2722 pkg_config_default=pkg-config
2723 if ranlib 2>&1 | grep -q "\-D "; then
2724 ranlib_default="ranlib -D"
2726 ranlib_default="ranlib"
2728 strip_default="strip"
2729 yasmexe_default="yasm"
2730 windres_default="windres"
2733 target_os_default=$(tolower $(uname -s))
2734 host_os=$target_os_default
2737 if test "$target_os_default" = aix; then
2738 arch_default=$(uname -p)
2739 strip_default="strip -X32_64"
2741 arch_default=$(uname -m)
2746 # configurable options
2747 enable $PROGRAM_LIST
2748 enable $DOCUMENT_LIST
2749 enable $EXAMPLE_LIST
2750 enable $(filter_out avresample $LIBRARY_LIST)
2756 enable faan faandct faanidct
2757 enable optimizations
2758 enable runtime_cpudetect
2759 enable safe_bitstream_reader
2761 enable swscale_alpha
2763 sws_max_filter_size_default=256
2764 set_default sws_max_filter_size
2766 # Enable hwaccels by default.
2767 enable dxva2 vaapi vda vdpau xvmc
2771 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2774 FULLNAME='$(NAME)$(BUILDSUF)'
2775 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2778 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2779 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2780 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2781 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2782 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2783 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2805 host_cflags_filter=echo
2806 host_ldflags_filter=echo
2808 target_path='$(CURDIR)'
2810 # since the object filename is not given with the -MM flag, the compiler
2811 # is only able to print the basename, and we must add the path ourselves
2812 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2816 if test -f configure; then
2819 source_path=$(cd $(dirname "$0"); pwd)
2820 echo "$source_path" | grep -q '[[:blank:]]' &&
2821 die "Out of tree builds are impossible with whitespace in source path."
2822 test -e "$source_path/config.h" &&
2823 die "Out of tree builds are impossible with config.h in source dir."
2830 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2836 file=$source_path/$3
2837 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2840 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2841 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2842 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2843 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2844 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2845 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2846 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2847 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2848 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2849 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2850 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2866 for n in $COMPONENT_LIST; do
2867 v=$(toupper ${n%s})_LIST
2869 eval ${n}_if_any="\$$v"
2872 enable $ARCH_EXT_LIST
2875 echo "Unknown option \"$1\"."
2876 echo "See $0 --help for available options."
2881 cat | tr ' ' '\n' | sort | pr -r -3 -t
2887 echo $* | sed s/$suffix//g | print_3_columns
2899 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2900 echo "prob ${prob:-0.5}"
2908 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2909 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2918 --extra-ldexeflags=*)
2919 add_ldexeflags $optval
2922 add_extralibs $optval
2925 disable $INDEV_LIST $OUTDEV_LIST
2928 debuglevel="$optval"
2931 disable $PROGRAM_LIST
2933 --disable-everything)
2934 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2937 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2938 disable $LIBRARY_LIST $PROGRAM_LIST doc
2940 --enable-random|--disable-random)
2941 action=${opt%%-random}
2942 do_random ${action#--} $COMPONENT_LIST
2944 --enable-random=*|--disable-random=*)
2945 action=${opt%%-random=*}
2946 do_random ${action#--} $optval
2948 --enable-*=*|--disable-*=*)
2949 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2950 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2951 eval list=\$$(toupper $thing)_LIST
2952 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2953 list=$(filter "$name" $list)
2954 [ "$list" = "" ] && warn "Option $opt did not match anything"
2957 --enable-?*|--disable-?*)
2958 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2959 if is_in $option $COMPONENT_LIST; then
2960 test $action = disable && action=unset
2961 eval $action \$$(toupper ${option%s})_LIST
2962 elif is_in $option $CMDLINE_SELECT; then
2969 NAME="${opt#--list-}"
2970 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2972 eval show_list $NAME \$$(toupper $NAME)_LIST
2974 --help|-h) show_help
2976 --fatal-warnings) enable fatal_warnings
2979 optname="${opt%%=*}"
2980 optname="${optname#--}"
2981 optname=$(echo "$optname" | sed 's/-/_/g')
2982 if is_in $optname $CMDLINE_SET; then
2983 eval $optname='$optval'
2984 elif is_in $optname $CMDLINE_APPEND; then
2985 append $optname "$optval"
2993 disabled logging && logfile=/dev/null
2995 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2998 test -n "$valgrind" && toolchain="valgrind-memcheck"
3000 case "$toolchain" in
3003 add_cflags -fsanitize=address
3004 add_ldflags -fsanitize=address
3008 add_cflags -fsanitize=thread -pie
3009 add_ldflags -fsanitize=thread -pie
3013 add_cflags -fsanitize=undefined
3014 add_ldflags -fsanitize=undefined
3018 add_cflags -fsanitize=address
3019 add_ldflags -fsanitize=address
3023 add_cflags -fsanitize=thread -pie -fPIC
3024 add_ldflags -fsanitize=thread -pie -fPIC
3028 add_cflags -fsanitize=undefined
3029 add_ldflags -fsanitize=undefined
3032 target_exec_default=${valgrind:-"valgrind"}
3033 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"
3036 target_exec_default=${valgrind:-"valgrind"}
3037 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3040 # Check whether the current MSVC version needs the C99 converter.
3041 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3042 # support enough of C99 to build ffmpeg. Default to the new
3043 # behaviour if the regexp was unable to match anything, since this
3044 # successfully parses the version number of existing supported
3045 # versions that require the converter (MSVC 2010 and 2012).
3046 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3047 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3050 cc_default="c99wrap cl"
3053 nm_default="dumpbin -symbols"
3055 target_os_default="win32"
3056 # Use a relative path for TMPDIR. This makes sure all the
3057 # ffconf temp files are written with a relative path, avoiding
3058 # issues with msys/win32 path conversion for MSVC parameters
3059 # such as -Fo<file> or -out:<file>.
3065 nm_default="dumpbin -symbols"
3067 target_os_default="win32"
3071 add_cflags -fprofile-arcs -ftest-coverage
3072 add_ldflags -fprofile-arcs -ftest-coverage
3075 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3076 add_cflags -fno-strict-overflow -fstack-protector-all
3077 add_ldflags -Wl,-z,relro -Wl,-z,now
3080 die "Unknown toolchain $toolchain"
3084 test -n "$cross_prefix" && enable cross_compile
3086 if enabled cross_compile; then
3087 test -n "$arch" && test -n "$target_os" ||
3088 die "Must specify target arch and OS when cross-compiling"
3091 ar_default="${cross_prefix}${ar_default}"
3092 cc_default="${cross_prefix}${cc_default}"
3093 cxx_default="${cross_prefix}${cxx_default}"
3094 nm_default="${cross_prefix}${nm_default}"
3095 pkg_config_default="${cross_prefix}${pkg_config_default}"
3096 ranlib_default="${cross_prefix}${ranlib_default}"
3097 strip_default="${cross_prefix}${strip_default}"
3098 windres_default="${cross_prefix}${windres_default}"
3100 sysinclude_default="${sysroot}/usr/include"
3102 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3103 target_exec target_os yasmexe
3104 enabled cross_compile || host_cc_default=$cc
3107 pkg_config_fail_message=""
3108 if ! $pkg_config --version >/dev/null 2>&1; then
3109 warn "$pkg_config not found, library detection may fail."
3111 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3112 pkg_config_fail_message="
3113 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3116 if test $doxygen != $doxygen_default && \
3117 ! $doxygen --version >/dev/null 2>&1; then
3118 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3123 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3127 EXESUF=$(exesuf $target_os)
3128 HOSTEXESUF=$(exesuf $host_os)
3130 # set temporary file name
3131 : ${TMPDIR:=$TEMPDIR}
3135 if [ -n "$tempprefix" ] ; then
3137 echo $tempprefix.${HOSTNAME}.${UID}
3139 elif ! check_cmd mktemp -u XXXXXX; then
3140 # simple replacement for missing mktemp
3141 # NOT SAFE FOR GENERAL USE
3143 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3148 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3149 (set -C; exec > $tmp) 2>/dev/null ||
3150 die "Unable to create temporary file in $TMPDIR."
3151 append TMPFILES $tmp
3155 trap 'rm -f -- $TMPFILES' EXIT
3160 tmpfile TMPE $EXESUF
3172 # make sure we can execute files in $TMPDIR
3173 cat > $TMPSH 2>> $logfile <<EOF
3176 chmod +x $TMPSH >> $logfile 2>&1
3177 if ! $TMPSH >> $logfile 2>&1; then
3179 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3180 variable to another directory and make sure that it is not mounted noexec.
3182 die "Sanity test failed."
3188 # Filter out MSVC cl.exe options from cflags that shouldn't
3189 # be passed to gas-preprocessor
3199 -std=c99) echo -c99 ;;
3200 -mcpu=*) echo -arch ${flag#*=} ;;
3201 -mieee) echo -ieee ;;
3202 -O*|-fast) echo $flag ;;
3203 -fno-math-errno) echo -assume nomath_errno ;;
3205 -Wall) echo -msg_enable level2 ;;
3206 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3207 -Wl,*) echo $flag ;;
3217 -Wno-switch) echo -Wno-switch-enum ;;
3218 -Wno-format-zero-length) ;;
3219 -Wdisabled-optimization) ;;
3220 -Wno-pointer-sign) echo -Wno-other ;;
3226 msvc_common_flags(){
3229 # In addition to specifying certain flags under the compiler
3230 # specific filters, they must be specified here as well or else the
3231 # generic catch all at the bottom will print the original flag.
3235 -fomit-frame-pointer) ;;
3239 -fno-signed-zeros) ;;
3243 -lz) echo zlib.lib ;;
3244 -lavifil32) echo vfw32.lib ;;
3245 -lavicap32) echo vfw32.lib user32.lib ;;
3246 -l*) echo ${flag#-l}.lib ;;
3247 -L*) echo -libpath:${flag#-L} ;;
3254 msvc_common_flags "$@"
3257 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3258 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3259 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3260 -wd4273 -wd4554 -wd4701 ;;
3266 msvc_common_flags "$@"
3269 # Despite what Intel's documentation says -Wall, which is supported
3270 # on Windows, does enable remarks so disable them here.
3271 -Wall) echo $flag -Qdiag-disable:remark ;;
3272 -std=c99) echo -Qstd=c99 ;;
3290 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3291 -fomit-frame-pointer) echo -Mnoframe ;;
3302 case "${flag#*=}" in
3303 native) echo -xtarget=native ;;
3304 v9|niagara) echo -xarch=sparc ;;
3305 ultrasparc) echo -xarch=sparcvis ;;
3306 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3307 i586|pentium) echo -xchip=pentium ;;
3308 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3309 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3310 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3311 pentium4*) echo -xtarget=pentium4 ;;
3312 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3313 *-sse3) echo -xarch=sse3 ;;
3314 core2) echo -xarch=ssse3 -xchip=core2 ;;
3315 bonnell) echo -xarch=ssse3 ;;
3316 corei7|nehalem) echo -xtarget=nehalem ;;
3317 westmere) echo -xtarget=westmere ;;
3318 silvermont) echo -xarch=sse4_2 ;;
3319 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3320 core-avx*|ivybridge|haswell|broadwell)
3322 amdfam10|barcelona) echo -xtarget=barcelona ;;
3323 btver1) echo -xarch=amdsse4a ;;
3324 btver2|bdver*) echo -xarch=avx ;;
3325 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3326 k8|opteron|athlon64|athlon-fx)
3327 echo -xarch=sse2a ;;
3328 athlon*) echo -xarch=pentium_proa ;;
3331 -std=c99) echo -xc99 ;;
3332 -fomit-frame-pointer) echo -xregs=frameptr ;;
3333 -fPIC) echo -KPIC -xcode=pic32 ;;
3334 -W*,*) echo $flag ;;
3335 -f*-*|-W*|-mimpure-text) ;;
3346 case "${flag#*=}" in
3347 armv7-a|cortex-a*) echo -mv=7a8 ;;
3348 armv7-r|cortex-r*) echo -mv=7r4 ;;
3349 armv7-m|cortex-m*) echo -mv=7m3 ;;
3350 armv6*|arm11*) echo -mv=6 ;;
3351 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3353 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3356 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3357 -mfpu=vfp) echo --float_support=vfpv2 ;;
3358 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3359 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3360 -msoft-float) echo --float_support=vfplib ;;
3361 -O[0-3]|-mf=*) echo $flag ;;
3363 -pds=*) echo $flag ;;
3364 -D*|-I*) echo $flag ;;
3365 --gcc|--abi=*) echo $flag ;;
3375 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3376 unset _ld_o _ldflags _ld_lib _ld_path
3377 unset _depflags _DEPCMD _DEPFLAGS
3380 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3381 true # no-op to avoid reading stdin in following checks
3382 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3384 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3385 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3386 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3389 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3391 gcc_version=$($_cc --version | head -n1)
3392 gcc_basever=$($_cc -dumpversion)
3393 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3394 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3395 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3396 if ! $_cc -dumpversion | grep -q '^2\.'; then
3397 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3401 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3403 _ident=$($_cc --version | head -n1)
3408 _flags_filter=icc_flags
3409 elif $_cc -v 2>&1 | grep -q xlc; then
3411 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3413 _cflags_size='-O5 -qcompact'
3414 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3416 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3418 _cflags_speed='-fast'
3420 _flags_filter=ccc_flags
3421 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3422 test -d "$sysroot" || die "No valid sysroot specified."
3424 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3425 armcc_conf="$PWD/armcc.conf"
3426 $_cc --arm_linux_configure \
3427 --arm_linux_config_file="$armcc_conf" \
3428 --configure_sysroot="$sysroot" \
3429 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3430 die "Error creating armcc configuration file."
3431 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3432 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3433 as_default="${cross_prefix}gcc"
3437 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3439 _ident=$($_cc -version | head -n1 | tr -s ' ')
3440 _flags='--gcc --abi=eabi -me'
3443 _depflags='-ppa -ppd=$(@:.o=.d)'
3444 _cflags_speed='-O3 -mf=5'
3445 _cflags_size='-O3 -mf=2'
3446 _flags_filter=tms470_flags
3447 elif $_cc -v 2>&1 | grep -q clang; then
3449 _ident=$($_cc --version | head -n1)
3450 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3453 elif $_cc -V 2>&1 | grep -q Sun; then
3455 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3456 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3457 _DEPFLAGS='-xM1 -xc99'
3460 _cflags_size='-O5 -xspace'
3461 _flags_filter=suncc_flags
3462 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3464 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3465 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3468 _flags_filter='filter_out -Wdisabled-optimization'
3469 elif $_cc -v 2>&1 | grep -q Open64; then
3471 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3472 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3475 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3476 elif $_cc -V 2>&1 | grep -q Portland; then
3478 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3479 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3480 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3481 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3483 _flags_filter=pgi_flags
3484 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3486 _ident=$($_cc | head -n1)
3487 # 4509: "This form of conditional instruction is deprecated"
3488 _flags="-nologo -ignore 4509"
3489 _flags_filter=armasm_flags
3490 elif $_cc 2>&1 | grep -q Intel; then
3492 _ident=$($cc 2>&1 | head -n1)
3493 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3494 # Not only is O3 broken on 13.x+ but it is slower on all previous
3495 # versions (tested) as well.
3497 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3498 if $_cc 2>&1 | grep -q Linker; then
3505 _flags_filter=icl_flags
3507 _ld_path='-libpath:'
3508 # -Qdiag-error to make icl error when seeing certain unknown arguments
3509 _flags='-nologo -Qdiag-error:4044,10157'
3510 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3511 # with MSVC which enables it by default.
3512 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3513 if [ $pfx = hostcc ]; then
3514 append _cflags -Dsnprintf=_snprintf
3517 elif $_cc 2>&1 | grep -q Microsoft; then
3519 _ident=$($cc 2>&1 | head -n1)
3520 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3521 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3524 if $_cc 2>&1 | grep -q Linker; then
3531 _flags_filter=msvc_flags
3533 _ld_path='-libpath:'
3535 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3536 if [ $pfx = hostcc ]; then
3537 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
3538 append _cflags -Dsnprintf=_snprintf
3542 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3544 _ident=$($_cc --version | head -n1)
3548 _flags_filter=cparser_flags
3551 eval ${pfx}_type=\$_type
3552 eval ${pfx}_ident=\$_ident
3556 eval ${1}_C=\${_cc_c-\${${1}_C}}
3557 eval ${1}_E=\${_cc_e-\${${1}_E}}
3558 eval ${1}_O=\${_cc_o-\${${1}_O}}
3560 if [ -n "$_depflags" ]; then
3561 eval ${1}_DEPFLAGS=\$_depflags
3563 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3564 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3565 eval DEP${1}FLAGS=\$_flags
3570 cflags_filter=$_flags_filter
3571 cflags_speed=$_cflags_speed
3572 cflags_size=$_cflags_size
3573 cflags_noopt=$_cflags_noopt
3574 add_cflags $_flags $_cflags
3575 cc_ldflags=$_ldflags
3578 probe_cc hostcc "$host_cc"
3579 host_cflags_filter=$_flags_filter
3580 add_host_cflags $_flags $_cflags
3583 test -n "$cc_type" && enable $cc_type ||
3584 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3586 : ${as_default:=$cc}
3587 : ${dep_cc_default:=$cc}
3588 : ${ld_default:=$cc}
3589 : ${host_ld_default:=$host_cc}
3590 set_default ar as dep_cc ld host_ld windres
3593 asflags_filter=$_flags_filter
3594 add_asflags $_flags $_cflags
3598 ldflags_filter=$_flags_filter
3599 add_ldflags $_flags $_ldflags
3600 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3602 LD_LIB=${_ld_lib-$LD_LIB}
3603 LD_PATH=${_ld_path-$LD_PATH}
3605 probe_cc hostld "$host_ld"
3606 host_ldflags_filter=$_flags_filter
3607 add_host_ldflags $_flags $_ldflags
3608 HOSTLD_O=${_ld_o-$HOSTLD_O}
3610 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3611 probe_cc depcc "$dep_cc"
3612 CCDEP=${_DEPCMD:-$DEPCMD}
3613 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3617 if $ar 2>&1 | grep -q Microsoft; then
3620 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3623 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3624 arflags='-Xany -r -c'
3626 elif $ar 2>&1 | grep -q "\[D\] "; then
3634 add_cflags $extra_cflags
3635 add_cxxflags $extra_cxxflags
3636 add_asflags $extra_cflags
3638 if test -n "$sysroot"; then
3641 add_cppflags --sysroot="$sysroot"
3642 add_ldflags --sysroot="$sysroot"
3643 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3644 add_cppflags -isysroot "$sysroot"
3645 add_ldflags -isysroot "$sysroot"
3648 add_cppflags -I"$sysinclude"
3649 add_ldflags --sysroot="$sysroot"
3654 if test "$cpu" = host; then
3655 enabled cross_compile &&
3656 die "--cpu=host makes no sense when cross-compiling."
3661 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3663 s/.*$1=\\([^ ]*\\).*/\\1/
3668 cpu=$(check_native -march || check_native -mcpu)
3672 test "${cpu:-host}" = host &&
3673 die "--cpu=host not supported with compiler $cc"
3676 # Deal with common $arch aliases
3690 "Power Macintosh"|ppc*|powerpc*)
3705 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3710 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3713 # Add processor-specific flags
3714 if enabled aarch64; then
3718 cpuflags="-march=$cpu"
3721 cpuflags="-mcpu=$cpu"
3725 elif enabled alpha; then
3727 cpuflags="-mcpu=$cpu"
3729 elif enabled arm; then
3732 check_cpp_condition stddef.h \
3733 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3738 if check_arm_arch 4; then echo armv4;
3739 elif check_arm_arch 4T; then echo armv4t;
3740 elif check_arm_arch 5; then echo armv5;
3741 elif check_arm_arch 5E; then echo armv5e;
3742 elif check_arm_arch 5T; then echo armv5t;
3743 elif check_arm_arch 5TE; then echo armv5te;
3744 elif check_arm_arch 5TEJ; then echo armv5te;
3745 elif check_arm_arch 6; then echo armv6;
3746 elif check_arm_arch 6J; then echo armv6j;
3747 elif check_arm_arch 6K; then echo armv6k;
3748 elif check_arm_arch 6Z; then echo armv6z;
3749 elif check_arm_arch 6ZK; then echo armv6zk;
3750 elif check_arm_arch 6T2; then echo armv6t2;
3751 elif check_arm_arch 7; then echo armv7;
3752 elif check_arm_arch 7A 7_A; then echo armv7-a;
3753 elif check_arm_arch 7S; then echo armv7-a;
3754 elif check_arm_arch 7R 7_R; then echo armv7-r;
3755 elif check_arm_arch 7M 7_M; then echo armv7-m;
3756 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3757 elif check_arm_arch 8A 8_A; then echo armv8-a;
3761 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3765 cpuflags="-march=$cpu"
3766 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3769 cpuflags="-mcpu=$cpu"
3771 cortex-a*) subarch=armv7a ;;
3772 cortex-r*) subarch=armv7r ;;
3773 cortex-m*) enable thumb; subarch=armv7m ;;
3774 arm11*) subarch=armv6 ;;
3775 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3776 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3777 *) subarch=$(probe_arm_arch) ;;
3783 armv5t*) enable fast_clz ;;
3786 disabled fast_unaligned || enable fast_unaligned
3790 elif enabled avr32; then
3795 cpuflags="-mpart=$cpu"
3799 cpuflags="-march=$cpu"
3803 cpuflags="-mcpu=$cpu"
3807 cpuflags="-march=$cpu"
3811 elif enabled bfin; then
3813 cpuflags="-mcpu=$cpu"
3815 elif enabled mips; then
3817 cpuflags="-march=$cpu"
3833 24kef*|34kf*|1004kf*)
3841 elif enabled ppc; then
3846 case $(tolower $cpu) in
3847 601|ppc601|powerpc601)
3848 cpuflags="-mcpu=601"
3851 603*|ppc603*|powerpc603*)
3852 cpuflags="-mcpu=603"
3855 604*|ppc604*|powerpc604*)
3856 cpuflags="-mcpu=604"
3859 g3|75*|ppc75*|powerpc75*)
3860 cpuflags="-mcpu=750"
3863 g4|745*|ppc745*|powerpc745*)
3864 cpuflags="-mcpu=7450"
3866 74*|ppc74*|powerpc74*)
3867 cpuflags="-mcpu=7400"
3869 g5|970|ppc970|powerpc970)
3870 cpuflags="-mcpu=970"
3873 cpuflags="-mcpu=$cpu"
3876 cpuflags="-mcpu=cell"
3880 cpuflags="-mcpu=e500mc"
3884 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3889 cpuflags="-mcpu=8540 -mhard-float"
3895 elif enabled sparc; then
3898 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3899 cpuflags="-mcpu=$cpu"
3901 ultrasparc*|niagara[234])
3902 cpuflags="-mcpu=$cpu"
3906 elif enabled x86; then
3910 cpuflags="-march=$cpu"
3914 # targets that do NOT support nopl and conditional mov (cmov)
3915 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3916 cpuflags="-march=$cpu"
3919 # targets that do support nopl and conditional mov (cmov)
3920 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3921 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3922 cpuflags="-march=$cpu"
3926 # targets that do support conditional mov but on which it's slow
3927 pentium4|pentium4m|prescott|nocona)
3928 cpuflags="-march=$cpu"
3936 if [ "$cpu" != generic ]; then
3937 add_cflags $cpuflags
3938 add_asflags $cpuflags
3941 # compiler sanity check
3943 int main(void){ return 0; }
3945 if test "$?" != 0; then
3946 echo "$cc is unable to create an executable file."
3947 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3948 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3949 echo "Only do this if you know what cross compiling means."
3951 die "C compiler test failed."
3954 add_cppflags -D_ISOC99_SOURCE
3955 add_cxxflags -D__STDC_CONSTANT_MACROS
3956 check_cflags -std=c99
3957 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3960 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3964 add_host_cppflags -D_ISOC99_SOURCE
3965 check_host_cflags -std=c99
3966 check_host_cflags -Wall
3967 check_host_cflags -O3
3973 check_code cc "" "int test[2*($expr) - 1]" &&
3974 subarch=$arch64 || subarch=$arch32
3982 check_64bit mips mips64 '_MIPS_SIM > 1'
3986 check_64bit parisc parisc64 'sizeof(void *) > 4'
3990 check_64bit ppc ppc64 'sizeof(void *) > 4'
3994 check_64bit s390 s390x 'sizeof(void *) > 4'
3998 check_64bit sparc sparc64 'sizeof(void *) > 4'
4002 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4003 # Treat x32 as x64 for now. Note it also needs spic=$shared
4004 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4006 if test "$subarch" = "x86_64"; then
4011 check_cc <<EOF && subarch="ppc64"
4012 int test[(int)sizeof(char*) - 7];
4018 enabled spic && enable_weak pic
4024 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4025 enabled shared && add_ldflags -Wl,-brtl
4029 enable section_data_rel_ro
4030 SLIB_INSTALL_NAME='$(SLIBNAME)'
4032 # soname not set on purpose
4036 prefix_default="/boot/common"
4037 network_extralibs="-lnetwork"
4041 SHFLAGS='-shared -Wl,-h,$$(@F)'
4042 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4043 network_extralibs="-lsocket -lnsl"
4044 add_cppflags -D__EXTENSIONS__
4045 # When using suncc to build, the Solaris linker will mark
4046 # an executable with each instruction set encountered by
4047 # the Solaris assembler. As our libraries contain their own
4048 # guards for processor-specific code, instead suppress
4049 # generation of the HWCAPS ELF section on Solaris x86 only.
4050 enabled_all suncc x86 &&
4051 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4052 add_ldflags -Wl,-M,mapfile
4053 nm_default='nm -P -g'
4057 oss_indev_extralibs="-lossaudio"
4058 oss_outdev_extralibs="-lossaudio"
4059 enabled gcc || check_ldflags -Wl,-zmuldefs
4064 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4066 oss_indev_extralibs="-lossaudio"
4067 oss_outdev_extralibs="-lossaudio"
4075 add_extralibs -lpoll -lgnugetopt
4079 enabled ppc && add_asflags -force_cpusubtype_ALL
4080 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4081 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4083 add_ldflags -Wl,-dynamic,-search_paths_first
4085 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4086 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4088 enabled x86_64 && objformat="macho64"
4089 enabled_any pic shared x86_64 ||
4090 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4093 if test $target_os = "mingw32ce"; then
4099 if enabled x86_64; then
4100 LIBTARGET="i386:x86-64"
4101 elif enabled arm; then
4104 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4105 check_ldflags -Wl,--nxcompat
4106 check_ldflags -Wl,--dynamicbase
4107 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4108 shlibdir_default="$bindir_default"
4111 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4112 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4113 dlltool="${cross_prefix}dlltool"
4114 if check_cmd lib.exe -list; then
4115 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4116 if enabled x86_64; then
4119 elif check_cmd $dlltool --version; then
4120 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4122 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4124 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4125 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4126 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4133 if enabled shared; then
4134 # Link to the import library instead of the normal static library
4137 # Cannot build both shared and static libs with MSVC or icl.
4140 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4141 shlibdir_default="$bindir_default"
4144 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4145 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4146 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4147 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4149 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4150 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4151 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4158 shlibdir_default="$bindir_default"
4161 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4162 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4163 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4165 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4166 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4169 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4171 *-dos|freedos|opendos)
4172 network_extralibs="-lsocket"
4175 add_cppflags -U__STRICT_ANSI__
4179 enable section_data_rel_ro
4183 ranlib="echo ignoring ranlib"
4189 add_cppflags -D_GNU_SOURCE
4190 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4191 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4195 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4196 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4197 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4198 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4199 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4200 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4201 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4202 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4203 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4204 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4205 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4207 enable_weak os2threads
4210 add_cppflags -D_BSD_SOURCE
4215 add_cppflags -D_QNX_SOURCE
4216 network_extralibs="-lsocket"
4221 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4222 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4223 add_ldflags -Wl,--target1-abs,--no-undefined \
4224 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4225 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4226 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4227 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4228 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4231 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4236 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4237 -D_REENTRANT_SOURCE \
4238 -D_RESEARCH_SOURCE \
4241 add_compat strtod.o strtod=avpriv_strtod
4242 network_extralibs='-lbsd'
4243 exeobjs=compat/plan9/main.o
4250 die "Unknown OS '$target_os'."
4254 # determine libc flavour
4259 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4260 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4261 eval ${pfx}libc_type=uclibc
4262 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4263 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4264 eval ${pfx}libc_type=glibc
4265 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4266 # MinGW headers can be installed on Cygwin, so check for newlib first.
4267 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4268 eval ${pfx}libc_type=newlib
4269 add_${pfx}cppflags -U__STRICT_ANSI__
4270 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4271 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4272 eval ${pfx}libc_type=mingw64
4273 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4274 add_compat msvcrt/snprintf.o
4275 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4277 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4278 eval test \$${pfx_no_}cc_type = "gcc" &&
4279 add_${pfx}cppflags -D__printf__=__gnu_printf__
4280 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4281 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4282 eval ${pfx}libc_type=mingw32
4283 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4284 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4285 die "ERROR: MinGW32 runtime version must be >= 3.15."
4286 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4287 eval test \$${pfx_no_}cc_type = "gcc" &&
4288 add_${pfx}cppflags -D__printf__=__gnu_printf__
4289 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4290 eval ${pfx}libc_type=msvcrt
4291 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4292 # 0x601 by default unless something else is set by the user.
4293 # This can easily lead to us detecting functions only present
4294 # in such new versions and producing binaries requiring windows 7.0.
4295 # Therefore explicitly set the default to XP unless the user has
4296 # set something else on the command line.
4297 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4298 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4299 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4300 eval ${pfx}libc_type=klibc
4301 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4302 eval ${pfx}libc_type=bionic
4303 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4304 eval ${pfx}libc_type=solaris
4305 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4307 check_${pfx}cc <<EOF
4309 void *v = localtime_r;
4311 test "$?" != 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
4313 void *v = localtime_r;
4319 test -n "$libc_type" && enable libc_$libc_type
4321 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4325 add_compat strtod.o strtod=avpriv_strtod
4328 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
4329 add_compat strtod.o strtod=avpriv_strtod
4330 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4331 _snprintf=avpriv_snprintf \
4332 vsnprintf=avpriv_vsnprintf
4337 # hacks for compiler/libc/os combinations
4339 if enabled_all tms470 libc_glibc; then
4340 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4341 add_cppflags -D__USER_LABEL_PREFIX__=
4342 add_cppflags -D__builtin_memset=memset
4343 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4344 add_cflags -pds=48 # incompatible redefinition of macro
4347 if enabled_all ccc libc_glibc; then
4348 add_ldflags -Wl,-z,now # calls to libots crash without this
4351 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4352 add_cppflags '-I\$(SRC_PATH)/compat/float'
4355 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4358 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4360 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4363 : ${shlibdir_default:="$libdir"}
4365 set_default $PATHS_LIST
4368 # we need to build at least one lib type
4369 if ! enabled_any static shared; then
4371 At least one library type must be built.
4372 Specify --enable-static to build the static libraries or --enable-shared to
4373 build the shared libraries as well. To only build the shared libraries specify
4374 --disable-static in addition to --enable-shared.
4379 die_license_disabled() {
4380 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4383 die_license_disabled_gpl() {
4384 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4387 die_license_disabled gpl frei0r
4388 die_license_disabled gpl libcdio
4389 die_license_disabled gpl libsmbclient
4390 die_license_disabled gpl libutvideo
4391 die_license_disabled gpl libvidstab
4392 die_license_disabled gpl libx264
4393 die_license_disabled gpl libx265
4394 die_license_disabled gpl libxavs
4395 die_license_disabled gpl libxvid
4396 die_license_disabled gpl libzvbi
4397 die_license_disabled gpl x11grab
4399 die_license_disabled nonfree libaacplus
4400 die_license_disabled nonfree libfaac
4401 die_license_disabled nonfree nvenc
4402 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4403 enabled gpl && die_license_disabled_gpl nonfree openssl
4405 die_license_disabled version3 libopencore_amrnb
4406 die_license_disabled version3 libopencore_amrwb
4407 die_license_disabled version3 libsmbclient
4408 die_license_disabled version3 libvo_aacenc
4409 die_license_disabled version3 libvo_amrwbenc
4411 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4413 disabled optimizations || check_cflags -fomit-frame-pointer
4416 disabled pic && return
4419 case "$target_os" in
4429 enabled pic && enable_weak_pic
4431 check_cc <<EOF || die "Symbol mangling check failed."
4434 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4435 extern_prefix=${sym%%ff_extern*}
4437 check_cc <<EOF && enable_weak inline_asm
4438 void foo(void) { __asm__ volatile ("" ::); }
4442 for restrict_keyword in restrict __restrict__ __restrict; do
4443 check_cc <<EOF && _restrict=$restrict_keyword && break
4444 void foo(char * $restrict_keyword p);
4448 check_cc <<EOF && enable pragma_deprecated
4449 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4452 check_cc <<EOF && enable attribute_packed
4453 struct { int x; } __attribute__((packed)) x;
4456 check_cc <<EOF && enable attribute_may_alias
4457 union { int x; } __attribute__((may_alias)) x;
4460 check_cc <<EOF || die "endian test failed"
4461 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4463 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4465 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then
4466 if ! enabled bigendian && enabled altivec ;then
4472 log "check_gas using '$as' as AS"
4473 # :vararg is used on aarch64, arm and ppc altivec
4474 check_as <<EOF || return 1
4475 .macro m n, y:vararg=0
4480 # .altmacro is only used in arm asm
4481 ! enabled arm || check_as <<EOF || return 1
4488 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4490 enabled_any arm aarch64 && nogas=die
4491 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4495 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4496 gcc) gaspp_as_type=gas ;;
4497 *) gaspp_as_type=$as_type ;;
4500 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4502 test "${as#*gas-preprocessor.pl}" != "$as" ||
4503 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4504 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4506 if ! check_gas ; then
4509 $nogas "GNU assembler not found, install/update gas-preprocessor"
4512 check_as <<EOF && enable as_func
4518 check_inline_asm inline_asm_labels '"1:\n"'
4520 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4522 if enabled aarch64; then
4523 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4524 # internal assembler in clang 3.3 does not support this instruction
4525 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4526 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4528 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4530 elif enabled alpha; then
4534 elif enabled arm; then
4536 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4537 float func(float a, float b){ return a+b; }
4540 enabled thumb && check_cflags -mthumb || check_cflags -marm
4542 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4544 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4545 case "${cross_prefix:-$cc}" in
4546 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4547 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4548 __asm__ (".eabi_attribute 28, 1");
4549 int main(void) { return 0; }
4552 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4555 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4556 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4557 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4558 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4559 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4560 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4561 enabled setend && check_insn setend 'setend be'
4563 [ $target_os = linux ] || [ $target_os = android ] ||
4564 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4567 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4569 check_as <<EOF && enable as_dn_directive
4574 # llvm's integrated assembler supports .object_arch from llvm 3.5
4575 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4579 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4581 elif enabled mips; then
4583 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4585 # Enable minimum ISA based on selected options
4586 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4587 add_cflags "-mips64r2"
4588 add_asflags "-mips64r2"
4589 elif enabled mips64 && enabled mipsfpu; then
4590 add_cflags "-mips64"
4591 add_asflags "-mips64"
4592 elif enabled mipsfpu || enabled mipsdspr1 || enabled mipsdspr2; then
4593 add_cflags "-mips32r2"
4594 add_asflags "-mips32r2"
4597 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4598 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4599 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4600 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4601 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4602 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4604 elif enabled parisc; then
4606 if enabled gcc; then
4607 case $($cc -dumpversion) in
4608 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4612 elif enabled ppc; then
4614 enable local_aligned_8 local_aligned_16 local_aligned_32
4616 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4617 check_inline_asm ibm_asm '"add 0, 0, 0"'
4618 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4619 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4621 # AltiVec flags: The FSF version of GCC differs from the Apple version
4622 if enabled altivec; then
4623 check_cflags -maltivec -mabi=altivec &&
4624 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4625 check_cflags -faltivec
4627 # check if our compiler supports Motorola AltiVec C API
4628 check_cc <<EOF || disable altivec
4631 vector signed int v1 = (vector signed int) { 0 };
4632 vector signed int v2 = (vector signed int) { 1 };
4633 v1 = vec_add(v1, v2);
4638 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4641 if enabled vsx; then
4644 elif enabled x86; then
4646 check_builtin rdtsc intrin.h "__rdtsc()"
4647 check_builtin mm_empty mmintrin.h "_mm_empty()"
4649 enable local_aligned_8 local_aligned_16 local_aligned_32
4651 # check whether EBP is available on x86
4652 # As 'i' is stored on the stack, this program will crash
4653 # if the base pointer is used to access it because the
4654 # base pointer is cleared in the inline assembly code.
4655 check_exec_crash <<EOF && enable ebp_available
4657 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4661 # check whether EBX is available on x86
4662 check_inline_asm ebx_available '""::"b"(0)' &&
4663 check_inline_asm ebx_available '"":::"%ebx"'
4665 # check whether xmm clobbers are supported
4666 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4668 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4669 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4671 # check whether binutils is new enough to compile SSSE3/MMXEXT
4672 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4673 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4675 if ! disabled_any asm mmx yasm; then
4676 if check_cmd $yasmexe --version; then
4677 enabled x86_64 && yasm_extra="-m amd64"
4678 yasm_debug="-g dwarf2"
4679 elif check_cmd nasm -v; then
4681 yasm_debug="-g -F dwarf"
4682 if enabled x86_64; then
4683 case "$objformat" in
4684 elf) objformat=elf64 ;;
4685 win32) objformat=win64 ;;
4690 YASMFLAGS="-f $objformat $yasm_extra"
4691 enabled pic && append YASMFLAGS "-DPIC"
4692 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4693 case "$objformat" in
4694 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4697 check_yasm "movbe ecx, [5]" && enable yasm ||
4698 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4699 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4700 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4701 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4702 check_yasm "CPU amdnop" || disable cpunop
4706 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4713 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4715 check_ldflags -Wl,--as-needed
4716 check_ldflags -Wl,-z,noexecstack
4718 if check_func dlopen; then
4720 elif check_func dlopen -ldl; then
4724 frei0r_filter_extralibs='$ldl'
4725 frei0r_src_filter_extralibs='$ldl'
4726 ladspa_filter_extralibs='$ldl'
4727 nvenc_encoder_extralibs='$ldl'
4729 if ! disabled network; then
4730 check_func getaddrinfo $network_extralibs
4731 check_func getservbyport $network_extralibs
4732 check_func inet_aton $network_extralibs
4734 check_type netdb.h "struct addrinfo"
4735 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4736 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4737 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4738 check_type poll.h "struct pollfd"
4739 check_type netinet/sctp.h "struct sctp_event_subscribe"
4740 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4741 check_type netinet/in.h "struct sockaddr_in6"
4742 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4743 check_type "sys/types.h sys/socket.h" socklen_t
4745 # Prefer arpa/inet.h over winsock2
4746 if check_header arpa/inet.h ; then
4747 check_func closesocket
4748 elif check_header winsock2.h ; then
4749 check_func_headers winsock2.h closesocket -lws2 &&
4750 network_extralibs="-lws2" ||
4751 { check_func_headers winsock2.h closesocket -lws2_32 &&
4752 network_extralibs="-lws2_32"; } || disable winsock2_h network
4753 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4755 check_type ws2tcpip.h socklen_t
4756 check_type ws2tcpip.h "struct addrinfo"
4757 check_type ws2tcpip.h "struct group_source_req"
4758 check_type ws2tcpip.h "struct ip_mreq_source"
4759 check_type ws2tcpip.h "struct ipv6_mreq"
4760 check_type winsock2.h "struct pollfd"
4761 check_struct winsock2.h "struct sockaddr" sa_len
4762 check_type ws2tcpip.h "struct sockaddr_in6"
4763 check_type ws2tcpip.h "struct sockaddr_storage"
4769 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4770 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4771 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4772 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4773 check_builtin sarestart signal.h "SA_RESTART"
4774 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4776 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4777 check_func ${malloc_prefix}memalign && enable memalign
4778 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4781 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4784 check_func gethrtime
4786 check_func getrusage
4787 check_func gettimeofday
4790 check_func localtime_r
4791 check_func mach_absolute_time
4795 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4796 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4797 check_func sched_getaffinity
4798 check_func setrlimit
4799 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4800 check_func strerror_r
4805 check_func_headers conio.h kbhit
4806 check_func_headers io.h setmode
4807 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4808 check_func_headers stdlib.h getenv
4810 check_func_headers windows.h CoTaskMemFree -lole32
4811 check_func_headers windows.h GetProcessAffinityMask
4812 check_func_headers windows.h GetProcessTimes
4813 check_func_headers windows.h GetSystemTimeAsFileTime
4814 check_func_headers windows.h MapViewOfFile
4815 check_func_headers windows.h PeekNamedPipe
4816 check_func_headers windows.h SetConsoleTextAttribute
4817 check_func_headers windows.h Sleep
4818 check_func_headers windows.h VirtualAlloc
4819 check_struct windows.h "CONDITION_VARIABLE" Ptr
4820 check_func_headers glob.h glob
4822 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4824 check_header direct.h
4825 check_header dlfcn.h
4827 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4829 check_header libcrystalhd/libcrystalhd_if.h
4830 check_header mach/mach_time.h
4831 check_header malloc.h
4832 check_header net/udplite.h
4834 check_header sys/mman.h
4835 check_header sys/param.h
4836 check_header sys/resource.h
4837 check_header sys/select.h
4838 check_header sys/time.h
4839 check_header sys/un.h
4840 check_header termios.h
4841 check_header unistd.h
4842 check_header vdpau/vdpau.h
4843 check_header vdpau/vdpau_x11.h
4844 check_header VideoDecodeAcceleration/VDADecoder.h
4845 check_header windows.h
4846 check_header X11/extensions/XvMClib.h
4847 check_header asm/types.h
4849 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4850 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4851 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4853 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4855 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4857 if ! disabled w32threads && ! enabled pthreads; then
4858 check_func_headers "windows.h process.h" _beginthreadex &&
4859 enable w32threads || disable w32threads
4862 # check for some common methods of building with pthread support
4863 # do this before the optional library checks as some of them require pthreads
4864 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4866 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4868 add_extralibs -pthread
4869 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4870 add_cflags -pthreads
4871 add_extralibs -pthreads
4872 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4873 add_cflags -ldl -pthread
4874 add_extralibs -ldl -pthread
4875 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4876 add_extralibs -lpthreadGC2
4877 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4879 elif ! check_func pthread_join && ! check_func pthread_create; then
4882 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4886 if enabled pthreads; then
4887 check_func pthread_cancel
4890 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4891 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4892 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
4894 check_lib math.h sin -lm && LIBM="-lm"
4895 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4901 for func in $MATH_FUNCS; do
4902 eval check_mathfunc $func \${${func}_args:-1}
4905 # these are off by default, so fail if requested and not available
4906 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4907 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
4908 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
4909 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4910 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4911 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4912 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4913 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4914 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4915 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4916 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4917 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4918 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4919 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4920 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4921 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4922 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4923 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4924 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4925 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4926 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4927 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"
4928 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4929 enabled fontconfig && enable libfontconfig
4930 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4931 enabled libfreetype && require_libfreetype
4932 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
4933 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4934 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4935 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4936 done || die "ERROR: libgsm not found"; }
4937 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4938 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4939 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
4940 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4941 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4942 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4943 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4944 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4945 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4946 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
4947 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4948 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4949 die "ERROR: libopenjpeg not found"; }
4950 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4951 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
4952 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4953 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4954 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4955 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4956 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
4957 require smbclient libsmbclient.h smbc_init -lsmbclient; }
4958 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4959 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4960 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4961 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4962 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4963 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4964 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4965 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4966 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4967 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4968 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4969 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4970 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4971 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4972 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4973 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4975 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4976 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4977 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 ||
4978 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4979 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4980 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; } }
4981 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4982 enabled libwebp && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
4983 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
4984 { require libx264 x264.h x264_encoder_encode -lx264 &&
4985 warn "using libx264 without pkg-config"; } } &&
4986 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4987 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4988 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4989 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
4990 die "ERROR: libx265 version must be >= 17."; }
4991 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4992 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4993 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4994 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4995 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
4996 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
4997 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4998 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4999 die "ERROR: openal not found"; } &&
5000 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5001 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5002 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5003 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5004 die "ERROR: opencl not found"; } &&
5005 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5006 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5007 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5008 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5009 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5010 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5011 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5012 die "ERROR: opengl not found."
5014 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5015 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5016 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5017 die "ERROR: openssl not found"; }
5018 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5020 if enabled gnutls; then
5021 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
5022 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5026 if enabled libdc1394; then
5027 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5028 enable libdc1394_2; } ||
5029 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5030 enable libdc1394_1; } ||
5031 die "ERROR: No version of libdc1394 found "
5033 if ! disabled sdl; then
5034 SDL_CONFIG="${cross_prefix}sdl-config"
5035 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5036 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5037 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5040 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5041 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5042 sdl_libs=$("${SDL_CONFIG}" --libs)
5043 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
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 &&
5047 elif enabled sdl ; then
5048 die "ERROR: SDL not found"
5054 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5056 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5057 enabled makeinfo && (makeinfo --version | \
5058 grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \
5059 && enable makeinfo_html || disable makeinfo_html
5060 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5061 perl -v > /dev/null 2>&1 && enable perl || disable perl
5062 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5063 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5065 check_header linux/fb.h
5066 check_header linux/videodev.h
5067 check_header linux/videodev2.h
5068 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5070 check_header sys/videoio.h
5071 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5073 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5074 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5075 # w32api 3.12 had it defined wrong
5076 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5078 check_type "dshow.h" IBaseFilter
5080 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5081 { check_header dev/bktr/ioctl_meteor.h &&
5082 check_header dev/bktr/ioctl_bt848.h; } ||
5083 { check_header machine/ioctl_meteor.h &&
5084 check_header machine/ioctl_bt848.h; } ||
5085 { check_header dev/video/meteor/ioctl_meteor.h &&
5086 check_header dev/video/bktr/ioctl_bt848.h; } ||
5087 check_header dev/ic/bt8xx.h
5089 check_header sndio.h
5090 if check_struct sys/soundcard.h audio_buf_info bytes; then
5091 enable_safe sys/soundcard.h
5093 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5094 #include <sys/soundcard.h>
5098 check_header soundcard.h
5100 enabled_any alsa_indev alsa_outdev &&
5101 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5103 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5104 check_func jack_port_get_latency_range -ljack
5106 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5108 if enabled libcdio; then
5109 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5110 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5111 die "ERROR: No usable libcdio/cdparanoia found"
5115 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5117 if ! disabled libxcb; then
5118 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5119 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5120 } && disable x11grab && enable libxcb
5122 if enabled libxcb; then
5123 disabled libxcb_shm || {
5124 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5125 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5126 } && check_header sys/shm.h && enable libxcb_shm; }
5128 disabled libxcb_xfixes || {
5129 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5130 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5131 } && enable libxcb_xfixes; }
5133 disabled libxcb_shape || {
5134 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5135 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5136 } && enable libxcb_shape; }
5138 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5139 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5143 if enabled x11grab; then
5144 enabled xlib || die "ERROR: Xlib not found"
5145 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5146 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5149 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5151 enabled dxva2api_h &&
5152 check_cc <<EOF && enable dxva2api_cobj
5153 #define _WIN32_WINNT 0x0600
5155 #include <windows.h>
5157 #include <dxva2api.h>
5158 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5162 check_lib va/va.h vaInitialize -lva ||
5165 enabled vaapi && enabled xlib &&
5166 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5170 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5173 enabled vdpau && enabled xlib &&
5174 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5175 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5178 # Funny iconv installations are not unusual, so check it after all flags have been set
5179 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5181 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5183 # add some useful compiler flags if supported
5184 check_cflags -Wdeclaration-after-statement
5186 check_cflags -Wdisabled-optimization
5187 check_cflags -Wpointer-arith
5188 check_cflags -Wredundant-decls
5189 check_cflags -Wwrite-strings
5190 check_cflags -Wtype-limits
5191 check_cflags -Wundef
5192 check_cflags -Wmissing-prototypes
5193 check_cflags -Wno-pointer-to-int-cast
5194 check_cflags -Wstrict-prototypes
5195 check_cflags -Wempty-body
5196 enabled extra_warnings && check_cflags -Winline
5198 check_disable_warning(){
5199 warning_flag=-W${1#-Wno-}
5200 test_cflags $warning_flag && add_cflags $1
5203 check_disable_warning -Wno-parentheses
5204 check_disable_warning -Wno-switch
5205 check_disable_warning -Wno-format-zero-length
5206 check_disable_warning -Wno-pointer-sign
5208 # add some linker flags
5209 check_ldflags -Wl,--warn-common
5210 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5211 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5212 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5214 # add some strip flags
5215 # -wN '..@*' is more selective than -x, but not available everywhere.
5216 check_stripflags -wN \'..@*\' || check_stripflags -x
5218 enabled neon_clobber_test &&
5219 check_ldflags -Wl,--wrap,avcodec_open2 \
5220 -Wl,--wrap,avcodec_decode_audio4 \
5221 -Wl,--wrap,avcodec_decode_video2 \
5222 -Wl,--wrap,avcodec_decode_subtitle2 \
5223 -Wl,--wrap,avcodec_encode_audio2 \
5224 -Wl,--wrap,avcodec_encode_video2 \
5225 -Wl,--wrap,avcodec_encode_subtitle \
5226 -Wl,--wrap,swr_convert \
5227 -Wl,--wrap,avresample_convert ||
5228 disable neon_clobber_test
5230 enabled xmm_clobber_test &&
5231 check_ldflags -Wl,--wrap,avcodec_open2 \
5232 -Wl,--wrap,avcodec_decode_audio4 \
5233 -Wl,--wrap,avcodec_decode_video2 \
5234 -Wl,--wrap,avcodec_decode_subtitle2 \
5235 -Wl,--wrap,avcodec_encode_audio2 \
5236 -Wl,--wrap,avcodec_encode_video \
5237 -Wl,--wrap,avcodec_encode_video2 \
5238 -Wl,--wrap,avcodec_encode_subtitle \
5239 -Wl,--wrap,swr_convert \
5240 -Wl,--wrap,avresample_convert \
5241 -Wl,--wrap,sws_scale ||
5242 disable xmm_clobber_test
5245 if test_ldflags -Wl,--version-script,$TMPV; then
5246 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5247 check_cc <<EOF && enable symver_asm_label
5248 void ff_foo(void) __asm__ ("av_foo@VERSION");
5249 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5251 check_cc <<EOF && enable symver_gnu_asm
5252 __asm__(".symver ff_foo,av_foo@VERSION");
5253 void ff_foo(void) {}
5257 if [ -z "$optflags" ]; then
5258 if enabled small; then
5259 optflags=$cflags_size
5260 elif enabled optimizations; then
5261 optflags=$cflags_speed
5263 optflags=$cflags_noopt
5269 enabled lto && check_ldflags "$@"
5273 if enabled lto; then
5274 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5276 check_ldflags -flto $cpuflags
5277 disable inline_asm_direct_symbol_refs
5280 check_optflags $optflags
5281 check_optflags -fno-math-errno
5282 check_optflags -fno-signed-zeros
5284 enabled ftrapv && check_cflags -ftrapv
5286 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5291 if enabled icc; then
5292 # Just warnings, no remarks
5294 # -wd: Disable following warnings
5295 # 144, 167, 556: -Wno-pointer-sign
5296 # 188: enumerated type mixed with another type
5297 # 1292: attribute "foo" ignored
5298 # 1419: external declaration in primary source file
5299 # 10006: ignoring unknown option -fno-signed-zeros
5300 # 10148: ignoring unknown option -Wno-parentheses
5301 # 10156: ignoring option '-W'; no argument required
5302 # 13200: No EMMS instruction before call to function
5303 # 13203: No EMMS instruction before return from function
5304 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5305 # 11030: Warning unknown option --as-needed
5306 # 10156: ignoring option '-export'; no argument required
5307 check_ldflags -wd10156,11030
5308 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5309 enable ebp_available
5310 # The test above does not test linking
5311 enabled lto && disable symver_asm_label
5312 if enabled x86_32; then
5313 icc_version=$($cc -dumpversion)
5314 test ${icc_version%%.*} -ge 11 &&
5315 check_cflags -falign-stack=maintain-16-byte ||
5316 disable aligned_stack
5318 elif enabled ccc; then
5319 # disable some annoying warnings
5320 add_cflags -msg_disable bitnotint
5321 add_cflags -msg_disable mixfuncvoid
5322 add_cflags -msg_disable nonstandcast
5323 add_cflags -msg_disable unsupieee
5324 elif enabled gcc; then
5325 check_optflags -fno-tree-vectorize
5326 check_cflags -Werror=format-security
5327 check_cflags -Werror=implicit-function-declaration
5328 check_cflags -Werror=missing-prototypes
5329 check_cflags -Werror=return-type
5330 check_cflags -Werror=vla
5331 check_cflags -Wformat
5332 check_cflags -fdiagnostics-color=auto
5333 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5334 elif enabled llvm_gcc; then
5335 check_cflags -mllvm -stack-alignment=16
5336 elif enabled clang; then
5337 check_cflags -mllvm -stack-alignment=16
5338 check_cflags -Qunused-arguments
5339 check_cflags -Werror=implicit-function-declaration
5340 check_cflags -Werror=missing-prototypes
5341 check_cflags -Werror=return-type
5342 elif enabled cparser; then
5343 add_cflags -Wno-missing-variable-declarations
5344 add_cflags -Wno-empty-statement
5345 elif enabled armcc; then
5346 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5347 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5348 # 2523: use of inline assembly is deprecated
5349 add_cflags -W${armcc_opt},--diag_suppress=2523
5350 add_cflags -W${armcc_opt},--diag_suppress=1207
5351 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5352 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5353 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5354 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5355 elif enabled tms470; then
5356 add_cflags -pds=824 -pds=837
5358 elif enabled pathscale; then
5359 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5360 elif enabled_any msvc icl; then
5361 enabled x86_32 && disable aligned_stack
5362 enabled_all x86_32 debug && add_cflags -Oy-
5363 enabled debug && add_ldflags -debug
5364 enable pragma_deprecated
5365 if enabled icl; then
5366 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5367 # (correctly) on icl 13.x.
5368 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5369 add_cflags -Qansi-alias
5370 # Some inline asm is not compilable in debug
5371 if enabled debug; then
5372 disable ebp_available
5373 disable ebx_available
5376 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5377 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5382 add_asflags -Qunused-arguments
5388 check_ldflags -Qunused-arguments
5394 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5397 add_cppflags -Dmain=plan9_main
5401 enable frame_thread_encoder
5403 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5405 check_deps $CONFIG_LIST \
5410 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"
5413 if test $target_os = "haiku"; then
5415 disable posix_memalign
5418 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5419 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5422 ! enabled_any memalign posix_memalign aligned_malloc &&
5423 enabled simd_align_16 && enable memalign_hack
5426 # -> enable ${lib}_deps_${dep}
5427 # -> add $dep to ${lib}_deps only once
5431 enabled "${lib}_deps_${dep}" && return 0
5432 enable "${lib}_deps_${dep}"
5433 prepend "${lib}_deps" $dep
5436 # merge deps lib components
5437 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5442 enabled $comp || continue
5443 eval "dep=\"\$${comp}_deps\""
5450 merge_deps libavfilter $FILTER_LIST
5452 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5454 for thread in $THREADS_LIST; do
5455 if enabled $thread; then
5456 test -n "$thread_type" &&
5457 die "ERROR: Only one thread type must be selected." ||
5458 thread_type="$thread"
5462 enabled zlib && add_cppflags -DZLIB_CONST
5464 # conditional library dependencies, in linking order
5465 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5466 enabled aresample_filter && prepend avfilter_deps "swresample"
5467 enabled asyncts_filter && prepend avfilter_deps "avresample"
5468 enabled atempo_filter && prepend avfilter_deps "avcodec"
5469 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5470 enabled elbg_filter && prepend avfilter_deps "avcodec"
5471 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5472 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5473 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5474 enabled pan_filter && prepend avfilter_deps "swresample"
5475 enabled pp_filter && prepend avfilter_deps "postproc"
5476 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5477 enabled resample_filter && prepend avfilter_deps "avresample"
5478 enabled sab_filter && prepend avfilter_deps "swscale"
5479 enabled scale_filter && prepend avfilter_deps "swscale"
5480 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5481 enabled smartblur_filter && prepend avfilter_deps "swscale"
5482 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5483 enabled uspp_filter && prepend avfilter_deps "avcodec"
5485 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5487 enabled opus_decoder && prepend avcodec_deps "swresample"
5491 eval "deps=\$$lib_deps"
5492 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5496 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5497 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5499 map 'expand_deps $v' $LIBRARY_LIST
5501 echo "install prefix $prefix"
5502 echo "source path $source_path"
5503 echo "C compiler $cc"
5504 echo "C library $libc_type"
5505 if test "$host_cc" != "$cc"; then
5506 echo "host C compiler $host_cc"
5507 echo "host C library $host_libc_type"
5509 echo "ARCH $arch ($cpu)"
5510 if test "$build_suffix" != ""; then
5511 echo "build suffix $build_suffix"
5513 if test "$progs_suffix" != ""; then
5514 echo "progs suffix $progs_suffix"
5516 if test "$extra_version" != ""; then
5517 echo "version string suffix $extra_version"
5519 echo "big-endian ${bigendian-no}"
5520 echo "runtime cpu detection ${runtime_cpudetect-no}"
5521 if enabled x86; then
5522 echo "${yasmexe} ${yasm-no}"
5523 echo "MMX enabled ${mmx-no}"
5524 echo "MMXEXT enabled ${mmxext-no}"
5525 echo "3DNow! enabled ${amd3dnow-no}"
5526 echo "3DNow! extended enabled ${amd3dnowext-no}"
5527 echo "SSE enabled ${sse-no}"
5528 echo "SSSE3 enabled ${ssse3-no}"
5529 echo "AVX enabled ${avx-no}"
5530 echo "XOP enabled ${xop-no}"
5531 echo "FMA3 enabled ${fma3-no}"
5532 echo "FMA4 enabled ${fma4-no}"
5533 echo "i686 features enabled ${i686-no}"
5534 echo "CMOV is fast ${fast_cmov-no}"
5535 echo "EBX available ${ebx_available-no}"
5536 echo "EBP available ${ebp_available-no}"
5538 if enabled aarch64; then
5539 echo "NEON enabled ${neon-no}"
5540 echo "VFP enabled ${vfp-no}"
5542 if enabled arm; then
5543 echo "ARMv5TE enabled ${armv5te-no}"
5544 echo "ARMv6 enabled ${armv6-no}"
5545 echo "ARMv6T2 enabled ${armv6t2-no}"
5546 echo "VFP enabled ${vfp-no}"
5547 echo "NEON enabled ${neon-no}"
5548 echo "THUMB enabled ${thumb-no}"
5550 if enabled mips; then
5551 echo "MIPS FPU enabled ${mipsfpu-no}"
5552 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5553 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5555 if enabled ppc; then
5556 echo "AltiVec enabled ${altivec-no}"
5557 echo "PPC 4xx optimizations ${ppc4xx-no}"
5558 echo "PPC VSX optimizations ${vsx-no}"
5559 echo "dcbzl available ${dcbzl-no}"
5561 echo "debug symbols ${debug-no}"
5562 echo "strip symbols ${stripping-no}"
5563 echo "optimize for size ${small-no}"
5564 echo "optimizations ${optimizations-no}"
5565 echo "static ${static-no}"
5566 echo "shared ${shared-no}"
5567 echo "postprocessing support ${postproc-no}"
5568 echo "new filter support ${avfilter-no}"
5569 echo "network support ${network-no}"
5570 echo "threading support ${thread_type-no}"
5571 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5572 echo "SDL support ${sdl-no}"
5573 echo "opencl enabled ${opencl-no}"
5574 echo "texi2html enabled ${texi2html-no}"
5575 echo "perl enabled ${perl-no}"
5576 echo "pod2man enabled ${pod2man-no}"
5577 echo "makeinfo enabled ${makeinfo-no}"
5578 echo "makeinfo supports HTML ${makeinfo_html-no}"
5579 test -n "$random_seed" &&
5580 echo "random seed ${random_seed}"
5583 echo "External libraries:"
5584 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5587 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5588 echo "Enabled ${type}s:"
5589 eval list=\$$(toupper $type)_LIST
5590 print_enabled '_*' $list | print_3_columns
5594 license="LGPL version 2.1 or later"
5595 if enabled nonfree; then
5596 license="nonfree and unredistributable"
5597 elif enabled gplv3; then
5598 license="GPL version 3 or later"
5599 elif enabled lgplv3; then
5600 license="LGPL version 3 or later"
5601 elif enabled gpl; then
5602 license="GPL version 2 or later"
5605 echo "License: $license"
5607 echo "Creating config.mak, config.h, and doc/config.texi..."
5609 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5611 enabled stripping || strip="echo skipping strip"
5613 config_files="$TMPH config.mak doc/config.texi"
5615 cat > config.mak <<EOF
5616 # Automatically generated by configure - do not modify!
5617 ifndef FFMPEG_CONFIG_MAK
5619 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5621 LIBDIR=\$(DESTDIR)$libdir
5622 SHLIBDIR=\$(DESTDIR)$shlibdir
5623 INCDIR=\$(DESTDIR)$incdir
5624 BINDIR=\$(DESTDIR)$bindir
5625 DATADIR=\$(DESTDIR)$datadir
5626 DOCDIR=\$(DESTDIR)$docdir
5627 MANDIR=\$(DESTDIR)$mandir
5628 SRC_PATH=$source_path
5629 ifndef MAIN_MAKEFILE
5630 SRC_PATH:=\$(SRC_PATH:.%=..%)
5634 INTRINSICS=$intrinsics
5640 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5642 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5671 LDEXEFLAGS=$LDEXEFLAGS
5672 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5673 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5674 YASMFLAGS=$YASMFLAGS
5675 BUILDSUF=$build_suffix
5676 PROGSSUF=$progs_suffix
5684 EXTRA_VERSION=$extra_version
5687 CCDEP_FLAGS=$CCDEP_FLAGS
5689 ASDEP_FLAGS=$ASDEP_FLAGS
5690 CC_DEPFLAGS=$CC_DEPFLAGS
5691 AS_DEPFLAGS=$AS_DEPFLAGS
5694 HOSTCFLAGS=$host_cflags
5695 HOSTCPPFLAGS=$host_cppflags
5696 HOSTEXESUF=$HOSTEXESUF
5697 HOSTLDFLAGS=$host_ldflags
5700 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5701 HOSTCCDEP=$HOSTCCDEP
5702 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5703 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5707 TARGET_EXEC=$target_exec $target_exec_args
5708 TARGET_PATH=$target_path
5709 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5710 CFLAGS-ffplay=$sdl_cflags
5711 ZLIB=$($ldflags_filter -lz)
5712 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5713 EXTRALIBS=$extralibs
5714 COMPAT_OBJS=$compat_objs
5717 LIBTARGET=${LIBTARGET}
5718 SLIBNAME=${SLIBNAME}
5719 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5720 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5721 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5722 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5723 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5724 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5725 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5726 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5727 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5728 NOREDZONE_FLAGS=$noredzone_flags
5733 name=$(toupper $lcname)
5734 file=$source_path/$lcname/version.h
5735 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5736 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5737 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5738 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5739 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5740 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5743 map 'get_version $v' $LIBRARY_LIST
5745 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5747 print_program_libs(){
5748 eval "program_libs=\$${1}_libs"
5749 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5752 map 'print_program_libs $v' $PROGRAM_LIST
5755 /* Automatically generated by configure - do not modify! */
5756 #ifndef FFMPEG_CONFIG_H
5757 #define FFMPEG_CONFIG_H
5758 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5759 #define FFMPEG_LICENSE "$(c_escape $license)"
5760 #define CONFIG_THIS_YEAR 2015
5761 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5762 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5763 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5764 #define av_restrict $_restrict
5765 #define EXTERN_PREFIX "${extern_prefix}"
5766 #define EXTERN_ASM ${extern_prefix}
5767 #define BUILDSUF "$build_suffix"
5768 #define SLIBSUF "$SLIBSUF"
5769 #define HAVE_MMX2 HAVE_MMXEXT
5770 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5773 test -n "$assert_level" &&
5774 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5776 test -n "$malloc_prefix" &&
5777 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5779 if enabled yasm; then
5780 append config_files $TMPASM
5784 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5789 echo "@c auto-generated by configure" > doc/config.texi
5791 print_config ARCH_ "$config_files" $ARCH_LIST
5792 print_config HAVE_ "$config_files" $HAVE_LIST
5793 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5797 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5798 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5800 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5801 cp_if_changed $TMPH config.h
5804 enabled yasm && cp_if_changed $TMPASM config.asm
5807 /* Generated by ffconf */
5808 #ifndef AVUTIL_AVCONFIG_H
5809 #define AVUTIL_AVCONFIG_H
5812 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5814 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5816 cp_if_changed $TMPH libavutil/avconfig.h
5818 if test -n "$WARNINGS"; then
5819 printf "\n$WARNINGS"
5820 enabled fatal_warnings && exit 1
5823 # build pkg-config files
5826 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5829 pkgconfig_generate(){
5831 shortname=${name#lib}${build_suffix}
5835 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5836 requires=${requires%, }
5837 enabled ${name#lib} || return 0
5839 cat <<EOF > $name/$name${build_suffix}.pc
5841 exec_prefix=\${prefix}
5846 Description: $comment
5848 Requires: $(enabled shared || echo $requires)
5849 Requires.private: $(enabled shared && echo $requires)
5851 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5852 Libs.private: $(enabled shared && echo $libs)
5853 Cflags: -I\${includedir}
5856 mkdir -p doc/examples/pc-uninstalled
5857 includedir=${source_path}
5858 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5859 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5862 libdir=\${pcfiledir}/../../../$name
5863 includedir=${includedir}
5866 Description: $comment
5870 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5871 Cflags: -I\${includedir}
5875 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5876 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5877 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5878 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5879 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5880 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5881 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5882 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5883 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"