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
/xpg
4/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
/xpg
4/bin
&& PATH
=/usr
/xpg
4/bin
:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
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 [auto]
137 --disable-w32threads disable Win32 threads [auto]
138 --disable-os2threads disable OS/2 threads [auto]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
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
198 --enable-frei0r enable frei0r video filtering
199 --enable-gnutls enable gnutls [no]
200 --disable-iconv disable iconv [autodetect]
201 --enable-ladspa enable LADSPA audio filtering
202 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
203 --enable-libass enable libass subtitles rendering [no]
204 --enable-libbluray enable BluRay reading using libbluray [no]
205 --enable-libbs2b enable bs2b DSP library [no]
206 --enable-libcaca enable textual display using libcaca
207 --enable-libcelt enable CELT decoding via libcelt [no]
208 --enable-libcdio enable audio CD grabbing with libcdio
209 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
211 --enable-libfaac enable AAC encoding via libfaac [no]
212 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
213 --enable-libflite enable flite (voice synthesis) support via libflite [no]
214 --enable-libfreetype enable libfreetype [no]
215 --enable-libfribidi enable libfribidi [no]
216 --enable-libgme enable Game Music Emu via libgme [no]
217 --enable-libgsm enable GSM de/encoding via libgsm [no]
218 --enable-libiec61883 enable iec61883 via libiec61883 [no]
219 --enable-libilbc enable iLBC de/encoding via libilbc [no]
220 --enable-libmodplug enable ModPlug via libmodplug [no]
221 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
222 --enable-libnut enable NUT (de)muxing via libnut,
223 native (de)muxer exists [no]
224 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
225 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
226 --enable-libopencv enable video filtering via libopencv [no]
227 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
228 --enable-libopus enable Opus de/encoding via libopus [no]
229 --enable-libpulse enable Pulseaudio input via libpulse [no]
230 --enable-libquvi enable quvi input via libquvi [no]
231 --enable-librtmp enable RTMP[E] support via librtmp [no]
232 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
233 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
234 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
235 --enable-libsoxr enable Include libsoxr resampling [no]
236 --enable-libspeex enable Speex de/encoding via libspeex [no]
237 --enable-libssh enable SFTP protocol via libssh [no]
238 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
239 --enable-libtheora enable Theora encoding via libtheora [no]
240 --enable-libtwolame enable MP2 encoding via libtwolame [no]
241 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
242 --enable-libv4l2 enable libv4l2/v4l-utils [no]
243 --enable-libvidstab enable video stabilization using vid.stab [no]
244 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
245 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
246 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
247 native implementation exists [no]
248 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
249 --enable-libwavpack enable wavpack encoding via libwavpack [no]
250 --enable-libwebp enable WebP encoding via libwebp [no]
251 --enable-libx264 enable H.264 encoding via x264 [no]
252 --enable-libx265 enable HEVC encoding via x265 [no]
253 --enable-libxavs enable AVS encoding via xavs [no]
254 --enable-libxvid enable Xvid encoding via xvidcore,
255 native MPEG-4/Xvid encoder exists [no]
256 --enable-libzmq enable message passing via libzmq [no]
257 --enable-libzvbi enable teletext support via libzvbi [no]
258 --disable-lzma disable lzma [autodetect]
259 --enable-decklink enable Blackmagick DeckLink output [no]
260 --enable-openal enable OpenAL 1.1 capture support [no]
261 --enable-opencl enable OpenCL code
262 --enable-opengl enable OpenGL rendering [no]
263 --enable-openssl enable openssl [no]
264 --enable-x11grab enable X11 grabbing [no]
265 --disable-xlib disable xlib [autodetect]
266 --disable-zlib disable zlib [autodetect]
269 --arch=ARCH select architecture [$arch]
270 --cpu=CPU select the minimum required CPU (affects
271 instruction selection, may crash on older CPUs)
272 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
273 --progs-suffix=SUFFIX program name suffix []
274 --enable-cross-compile assume a cross-compiler is used
275 --sysroot=PATH root of cross-build tree
276 --sysinclude=PATH location of cross-build system headers
277 --target-os=OS compiler targets OS [$target_os]
278 --target-exec=CMD command to run executables on target
279 --target-path=DIR path to view of build directory on target
280 --target-samples=DIR path to samples directory on target
281 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
282 --toolchain=NAME set tool defaults according to NAME
283 --nm=NM use nm tool NM [$nm_default]
284 --ar=AR use archive tool AR [$ar_default]
285 --as=AS use assembler AS [$as_default]
286 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
287 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
288 --cc=CC use C compiler CC [$cc_default]
289 --cxx=CXX use C compiler CXX [$cxx_default]
290 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
291 --ld=LD use linker LD [$ld_default]
292 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
293 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
294 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
295 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
296 --host-cc=HOSTCC use host C compiler HOSTCC
297 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
298 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
299 --host-ld=HOSTLD use host linker HOSTLD
300 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
301 --host-libs=HLIBS use libs HLIBS when linking for host
302 --host-os=OS compiler host OS [$target_os]
303 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
304 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
305 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
306 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
307 --extra-libs=ELIBS add ELIBS [$ELIBS]
308 --extra-version=STRING version string suffix []
309 --optflags=OPTFLAGS override optimization-related compiler flags
310 --build-suffix=SUFFIX library name suffix []
311 --enable-pic build position-independent code
312 --enable-thumb compile for Thumb instruction set
313 --enable-lto use link-time optimization
315 Advanced options (experts only):
316 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
317 --disable-symver disable symbol versioning
318 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
319 --disable-safe-bitstream-reader
320 disable buffer boundary checking in bitreaders
321 (faster, but may crash)
322 --enable-memalign-hack emulate memalign, interferes with memory debuggers
323 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
325 Optimization options (experts only):
326 --disable-asm disable all assembly optimizations
327 --disable-altivec disable AltiVec optimizations
328 --disable-amd3dnow disable 3DNow! optimizations
329 --disable-amd3dnowext disable 3DNow! extended optimizations
330 --disable-mmx disable MMX optimizations
331 --disable-mmxext disable MMXEXT optimizations
332 --disable-sse disable SSE optimizations
333 --disable-sse2 disable SSE2 optimizations
334 --disable-sse3 disable SSE3 optimizations
335 --disable-ssse3 disable SSSE3 optimizations
336 --disable-sse4 disable SSE4 optimizations
337 --disable-sse42 disable SSE4.2 optimizations
338 --disable-avx disable AVX optimizations
339 --disable-xop disable XOP optimizations
340 --disable-fma3 disable FMA3 optimizations
341 --disable-fma4 disable FMA4 optimizations
342 --disable-avx2 disable AVX2 optimizations
343 --disable-armv5te disable armv5te optimizations
344 --disable-armv6 disable armv6 optimizations
345 --disable-armv6t2 disable armv6t2 optimizations
346 --disable-vfp disable VFP optimizations
347 --disable-neon disable NEON optimizations
348 --disable-inline-asm disable use of inline assembly
349 --disable-yasm disable use of nasm/yasm assembly
350 --disable-mips32r2 disable MIPS32R2 optimizations
351 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
352 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
353 --disable-mipsfpu disable floating point MIPS optimizations
354 --disable-fast-unaligned consider unaligned accesses slow
356 Developer options (useful when working on FFmpeg itself):
357 --disable-debug disable debugging symbols
358 --enable-debug=LEVEL set the debug level [$debuglevel]
359 --disable-optimizations disable compiler optimizations
360 --enable-extra-warnings enable more compiler warnings
361 --disable-stripping disable stripping of executables and shared libraries
362 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
363 2 causes a slowdown at runtime.
364 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
365 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
366 leaks and errors, using the specified valgrind binary.
367 Cannot be combined with --target-exec
368 --enable-ftrapv Trap arithmetic overflows
369 --samples=PATH location of test samples for FATE, if not set use
370 \$FATE_SAMPLES at make invocation time.
371 --enable-neon-clobber-test check NEON registers for clobbering (should be
372 used only for debugging purposes)
373 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
374 should be used only for debugging purposes)
375 --enable-random randomly enable/disable components
377 --enable-random=LIST randomly enable/disable specific components or
378 --disable-random=LIST component groups. LIST is a comma-separated list
379 of NAME[:PROB] entries where NAME is a component
380 (group) and PROB the probability associated with
382 --random-seed=VALUE seed value for --enable/disable-random
384 NOTE: Object files are built at the place where configure is launched.
392 echo "$@" >> $logfile
397 pr -n -t $1 >> $logfile
408 WARNINGS
="${WARNINGS}WARNING: $*\n"
415 If you think configure made a mistake, make sure you are using the latest
416 version from Git. If the latest version fails, report the problem to the
417 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
419 if disabled logging
; then
421 Rerun configure with logging enabled (do not use --disable-logging), and
422 include the log this produces with your report.
426 Include the log file "$logfile" produced by configure as this will help
433 # Avoid locale weirdness, besides we really just want to translate ASCII.
435 echo "$@" |
tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
439 echo "$@" |
tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
443 echo "$*" |
sed 's/["\\]/\\\0/g'
447 v
=$
(echo "$1" |
sed "s/'/'\\\\''/g")
448 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v
="'$v'"
453 echo "$@" |
sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
460 eval "case $v in $pat) echo $v ;; esac"
468 eval "case $v in $pat) ;; *) echo $v ;; esac"
475 for v
; do eval $m; done
481 for v
; do echo ${v}${suffix}; done
496 eval : \
${$var:=$value}
501 echo $@ |
sed 's/[^A-Za-z0-9_]/_/g'
507 eval $
(sanitize_var_name
"$var")='$*'
511 eval echo \$$
(sanitize_var_name
"$1")
516 eval level
=\
${${pvar}_level
:=0}
517 eval ${pvar}_
${level}="\$$pvar"
518 eval ${pvar}_level
=$
(($level+1))
524 eval level
=\
${${pvar}_level
:-0}
525 test $level = 0 && continue
526 eval level
=$
(($level-1))
527 eval $pvar="\${${pvar}_${level}}"
528 eval ${pvar}_level
=$level
529 eval unset ${pvar}_
${level}
551 enable $
(echo "$var" |
sed 's/[^A-Za-z0-9_]/_/g')
557 disable $
(echo "$var" |
sed 's/[^A-Za-z0-9_]/_/g')
563 enabled
$var && continue
564 eval sel
="\$${var}_select"
565 eval sgs
="\$${var}_suggest"
569 enable_deep_weak
$sgs
581 disabled
$var && continue
590 test "${1#!}" = "$1" && op
== || op
=!=
591 eval test "x\$${1#!}" $op "xyes"
595 test "${1#!}" = "$1" && op
== || op
=!=
596 eval test "x\$${1#!}" $op "xno"
601 enabled
$opt ||
return 1
607 disabled
$opt ||
return 1
613 enabled
$opt && return 0
619 disabled
$opt && return 0
626 eval : \
${$opt:=\$${opt}_default}
634 [ $var = $value ] && return 0
642 enabled
${cfg}_checking
&& die
"Circular dependency for $cfg."
643 disabled
${cfg}_checking
&& continue
644 enable ${cfg}_checking
647 eval dep_all
="\$${cfg}_deps"
648 eval dep_any
="\$${cfg}_deps_any"
649 eval dep_sel
="\$${cfg}_select"
650 eval dep_sgs
="\$${cfg}_suggest"
651 eval dep_ifa
="\$${cfg}_if"
652 eval dep_ifn
="\$${cfg}_if_any"
654 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
655 do_check_deps
$dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
656 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
658 [ -n "$dep_ifa" ] && { enabled_all
$dep_ifa && enable_weak
$cfg; }
659 [ -n "$dep_ifn" ] && { enabled_any
$dep_ifn && enable_weak
$cfg; }
660 enabled_all
$dep_all || disable
$cfg
661 enabled_any
$dep_any || disable
$cfg
662 disabled_any
$dep_sel && disable
$cfg
664 if enabled
$cfg; then
666 enable_deep_weak
$dep_sgs
669 disable
${cfg}_checking
678 for cfg
in $allopts; do
679 enabled
$cfg ||
continue
680 eval dep_extralibs
="\$${cfg}_extralibs"
681 test -n "$dep_extralibs" && add_extralibs
$dep_extralibs
689 map
'eval echo "$v \${$v:-no}"' "$@" |
690 awk "BEGIN { split(\"$files\", files) }
692 c = \"$pfx\" toupper(\$1);
698 if (file ~ /\\.h\$/) {
699 printf(\"#define %s %d\\n\", c, v) >>file;
700 } else if (file ~ /\\.asm\$/) {
701 printf(\"%%define %s %d\\n\", c, v) >>file;
702 } else if (file ~ /\\.mak\$/) {
703 n = -v ? \"\" : \"!\";
704 printf(\"%s%s=yes\\n\", n, c) >>file;
705 } else if (file ~ /\\.texi\$/) {
706 pre = -v ? \"\" : \"@c \";
709 gsub(/_/, \"-\", c2);
710 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
720 enabled
$v && printf "%s\n" ${v%$suf};
727 eval "$var=\"\$$var $*\""
733 eval "$var=\"$* \$$var\""
739 for tok
in $
(eval echo \$
$var); do
740 uniq_list
="$(filter_out $tok $uniq_list) $tok"
742 eval "$var=\"${uniq_list}\""
750 append CFLAGS $
($cflags_filter "$@")
754 append CXXFLAGS $
($cflags_filter "$@")
758 append ASFLAGS $
($asflags_filter "$@")
762 append LDFLAGS $
($ldflags_filter "$@")
766 append LDEXEFLAGS $
($ldflags_filter "$@")
770 append ASMSTRIPFLAGS
"$@"
774 prepend extralibs $
($ldflags_filter "$@")
778 append host_cppflags
"$@"
782 append host_cflags $
($host_cflags_filter "$@")
786 append host_ldflags $
($host_ldflags_filter "$@")
790 append compat_objs
$1
792 map
'add_cppflags -D$v' "$@"
797 "$@" >> $logfile 2>&1
802 stat
"$1" >> $logfile 2>&1
806 eval printf '%s\\n' $CC_O
810 eval printf '%s\\n' $CC_E
817 check_cmd
$cc $CPPFLAGS $CFLAGS "$@" $CC_C $
(cc_o
$TMPO) $TMPC
824 check_cmd
$cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
831 check_cmd
$cc -Werror=missing-prototypes
$CPPFLAGS $CFLAGS "$@" $CC_C $
(cc_o
$TMPO) $TMPM
838 check_cmd
$cc $CPPFLAGS $CFLAGS "$@" $
(cc_e
$TMPO) $TMPC
842 eval printf '%s\\n' $AS_O
849 check_cmd
$as $CPPFLAGS $ASFLAGS "$@" $AS_C $
(as_o
$TMPO) $TMPS
853 log check_inline_asm
"$@"
858 check_cc
"$@" <<EOF && enable $name
859 void foo(void){ __asm__ volatile($code); }
865 check_inline_asm
${1}_inline
"\"$2\""
866 echo "$2" | check_as
&& enable ${1}_external || disable
${1}_external
874 check_cmd
$yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
878 eval printf '%s\\n' $LD_O
885 flags
=$
(filter_out
'-l*|*.so' $@
)
886 libs
=$
(filter
'-l*|*.so' $@
)
887 check_
$type $
($cflags_filter $flags) ||
return
888 flags
=$
($ldflags_filter $flags)
889 libs
=$
($ldflags_filter $libs)
890 check_cmd
$ld $LDFLAGS $flags $
(ld_o
$TMPE) $TMPO $libs $extralibs
895 test "${hdr%.h}" = "${hdr}" &&
896 echo "#include $hdr" ||
897 echo "#include <$hdr>"
907 for hdr
in $headers; do
910 echo "int main(void) { $code; return 0; }"
911 } | check_
$check "$@"
915 log check_cppflags
"$@"
916 check_cc
"$@" <<EOF && append CPPFLAGS "$@"
923 set -- $
($cflags_filter "$@")
930 log check_cflags
"$@"
931 test_cflags
"$@" && add_cflags
"$@"
935 log check_cxxflags
"$@"
936 set -- $
($cflags_filter "$@")
937 check_cxx
"$@" <<EOF && append CXXFLAGS "$@"
943 log test_ldflags
"$@"
944 check_ld
"cc" "$@" <<EOF
945 int main(void){ return 0; }
950 log check_ldflags
"$@"
951 test_ldflags
"$@" && add_ldflags
"$@"
955 log test_stripflags
"$@"
956 # call check_cc to get a fresh TMPO
958 int main(void) { return 0; }
960 check_cmd
$strip $ASMSTRIPFLAGS "$@" $TMPO
964 log check_stripflags
"$@"
965 test_stripflags
"$@" && add_stripflags
"$@"
969 log check_header
"$@"
973 check_cpp
"$@" <<EOF && enable_safe $header
980 log check_header_oc
"$@"
986 echo "#include <$header>"
987 echo "int main(void) { return 0; }"
988 } | check_oc
&& check_stat
"$TMPO" && enable_safe
$headers
996 check_ld
"cc" "$@" <<EOF && enable $func
998 int main(void){ $func(); }
1003 log check_mathfunc
"$@"
1007 test $narg = 2 && args
="f, g" || args
="f"
1009 check_ld
"cc" "$@" <<EOF && enable $func
1011 float foo(float f, float g) { return $func($args); }
1012 int main(void){ return (int) foo; }
1016 check_func_headers
(){
1017 log check_func_headers
"$@"
1022 for hdr
in $headers; do
1025 for func
in $funcs; do
1026 echo "long check_$func(void) { return (long) $func; }"
1028 echo "int main(void) { return 0; }"
1029 } | check_ld
"cc" "$@" && enable $funcs && enable_safe
$headers
1032 check_class_headers_cpp
(){
1033 log check_class_headers_cpp
"$@"
1038 for hdr
in $headers; do
1039 echo "#include <$hdr>"
1041 echo "int main(void) { "
1043 for class
in $classes; do
1044 echo "$class obj$i;"
1048 } | check_ld
"cxx" "$@" && enable $funcs && enable_safe
$headers
1051 check_cpp_condition
(){
1052 log check_cpp_condition
"$@"
1056 check_cpp
"$@" <<EOF
1059 #error "unsatisfied condition: $condition"
1069 check_header
$header && check_func
$func "$@" && add_extralibs
"$@"
1077 check_func_headers
"$headers" "$funcs" "$@" && add_extralibs
"$@"
1081 log check_lib_cpp
"$@"
1085 check_class_headers_cpp
"$headers" "$classes" "$@" && add_extralibs
"$@"
1089 log check_pkg_config
"$@"
1095 check_cmd
$pkg_config --exists --print-errors $pkgandversion ||
return
1096 pkg_cflags
=$
($pkg_config --cflags $pkg_config_flags $pkg)
1097 pkg_libs
=$
($pkg_config --libs $pkg_config_flags $pkg)
1098 check_func_headers
"$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1099 set_safe
${pkg}_cflags
$pkg_cflags &&
1100 set_safe
${pkg}_libs
$pkg_libs
1104 check_ld
"cc" "$@" && { enabled cross_compile ||
$TMPE >> $logfile 2>&1; }
1110 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1111 # are safe but may not be available everywhere. Thus we use
1112 # raise(SIGTERM) instead. The check is run in a subshell so we
1113 # can redirect the "Terminated" message from the shell. SIGBUS
1114 # is not defined by standard C so it is used conditionally.
1116 (check_exec
"$@") >> $logfile 2>&1 <<EOF
1118 static void sighandler(int sig){
1124 int (*func_ptr)(void) = foo;
1126 signal(SIGILL, sighandler);
1127 signal(SIGFPE, sighandler);
1128 signal(SIGSEGV, sighandler);
1130 signal(SIGBUS, sighandler);
1142 disable_safe
"$type"
1143 check_code cc
"$headers" "$type v" "$@" && enable_safe
"$type"
1147 log check_struct
"$@"
1152 disable_safe
"${struct}_${member}"
1153 check_code cc
"$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1154 enable_safe
"${struct}_${member}"
1158 log check_builtin
"$@"
1164 check_code ld
"$headers" "$builtin" "cc" "$@" && enable "$name"
1167 check_compile_assert
(){
1168 log check_compile_assert
"$@"
1174 check_code cc
"$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1182 check_lib
$header $func "$@" || die
"ERROR: $name not found"
1190 check_lib2
"$headers" $func "$@" || die
"ERROR: $name not found"
1198 check_lib_cpp
"$headers" "$classes" "$@" || die
"ERROR: $name not found"
1201 require_pkg_config
(){
1203 check_pkg_config
"$@" || die
"ERROR: $pkg not found"
1204 add_cflags $
(get_safe
${pkg}_cflags
)
1205 add_extralibs $
(get_safe
${pkg}_libs
)
1208 require_libfreetype
(){
1209 log require_libfreetype
"$@"
1211 check_cmd
$pkg_config --exists --print-errors $pkg \
1212 || die
"ERROR: $pkg not found"
1213 pkg_cflags
=$
($pkg_config --cflags $pkg_config_flags $pkg)
1214 pkg_libs
=$
($pkg_config --libs $pkg_config_flags $pkg)
1216 echo "#include <ft2build.h>"
1217 echo "#include FT_FREETYPE_H"
1218 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1219 echo "int main(void) { return 0; }"
1220 } | check_ld
"cc" $pkg_cflags $pkg_libs \
1221 && set_safe
${pkg}_cflags
$pkg_cflags \
1222 && set_safe
${pkg}_libs
$pkg_libs \
1223 || die
"ERROR: $pkg not found"
1224 add_cflags $
(get_safe
${pkg}_cflags
)
1225 add_extralibs $
(get_safe
${pkg}_libs
)
1229 eval printf '%s\\n' $HOSTCC_E
1233 eval printf '%s\\n' $HOSTCC_O
1237 log check_host_cc
"$@"
1240 check_cmd
$host_cc $host_cflags "$@" $HOSTCC_C $
(hostcc_o
$TMPO) $TMPC
1244 log check_host_cpp
"$@"
1247 check_cmd
$host_cc $host_cppflags $host_cflags "$@" $
(hostcc_e
$TMPO) $TMPC
1250 check_host_cppflags
(){
1251 log check_host_cppflags
"$@"
1252 check_host_cc
"$@" <<EOF && append host_cppflags "$@"
1257 check_host_cflags
(){
1258 log check_host_cflags
"$@"
1259 set -- $
($host_cflags_filter "$@")
1260 check_host_cc
"$@" <<EOF && append host_cflags "$@"
1265 check_host_cpp_condition
(){
1266 log check_host_cpp_condition
"$@"
1270 check_host_cpp
"$@" <<EOF
1273 #error "unsatisfied condition: $condition"
1281 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" ||
rm "$file.tmp"
1285 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1286 mkdir
-p "$(dirname $2)"
1290 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1291 # system-dependent things.
1308 avio_reading_example
1309 decoding_encoding_example
1310 demuxing_decoding_example
1312 filter_audio_example
1313 filtering_audio_example
1314 filtering_video_example
1318 resampling_audio_example
1319 scaling_video_example
1320 transcode_aac_example
1324 EXTERNAL_LIBRARY_LIST
="
1409 safe_bitstream_reader
1468 $EXTERNAL_LIBRARY_LIST
1476 incompatible_libav_abi
1537 ARCH_EXT_LIST_MIPS
="
1544 ARCH_EXT_LIST_X86_SIMD
="
1571 $ARCH_EXT_LIST_X86_SIMD
1602 sync_val_compare_and_swap
1613 incompatible_libav_abi
1622 cdio_paranoia_paranoia_h
1624 dev_bktr_ioctl_bt848_h
1625 dev_bktr_ioctl_meteor_h
1627 dev_video_bktr_ioctl_bt848_h
1628 dev_video_meteor_ioctl_meteor_h
1636 machine_ioctl_bt848_h
1637 machine_ioctl_meteor_h
1639 openjpeg_1_5_openjpeg_h
1706 GetProcessAffinityMask
1707 GetProcessMemoryInfo
1711 GetSystemTimeAsFileTime
1717 jack_port_get_latency_range
1732 SetConsoleTextAttribute
1744 TOOLCHAIN_FEATURES
="
1756 inline_asm_nonlocal_labels
1757 inline_asm_direct_symbol_refs
1770 struct_group_source_req
1771 struct_ip_mreq_source
1774 struct_rusage_ru_maxrss
1775 struct_sctp_event_subscribe
1777 struct_sockaddr_sa_len
1778 struct_sockaddr_storage
1779 struct_stat_st_mtim_tv_nsec
1780 struct_v4l2_frmivalenum_discrete
1785 $(add_suffix _external $ARCH_EXT_LIST)
1786 $(add_suffix _inline $ARCH_EXT_LIST)
1817 # options emitted with CONFIG_ prefix but not available on the command line
1831 frame_thread_encoder
1953 # code dependency declarations
1955 # architecture extensions
1960 armv8_deps
="aarch64"
1961 neon_deps_any
="aarch64 arm"
1962 intrinsics_neon_deps
="neon"
1963 vfp_deps_any
="aarch64 arm"
1967 map
'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1970 mips32r2_deps
="mips"
1971 mipsdspr1_deps
="mips"
1972 mipsdspr2_deps
="mips"
1979 x86_64_select
="i686"
1980 x86_64_suggest
="fast_cmov"
1983 amd3dnowext_deps
="amd3dnow"
1999 mmx_external_deps
="yasm"
2000 mmx_inline_deps
="inline_asm"
2001 mmx_suggest
="mmx_external mmx_inline"
2003 for ext
in $
(filter_out mmx
$ARCH_EXT_LIST_X86_SIMD); do
2004 eval dep
=\$
${ext}_deps
2005 eval ${ext}_external_deps
='"${dep}_external"'
2006 eval ${ext}_inline_deps
='"${dep}_inline"'
2007 eval ${ext}_suggest='"${ext}_external ${ext}_inline
"'
2010 aligned_stack_if_any="aarch64 ppc x86
"
2011 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64
"
2012 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86
"
2013 fast_unaligned_if_any="aarch64 ppc x86
"
2014 simd_align_16_if_any="altivec neon sse
"
2016 # system capabilities
2018 symver_if_any="symver_asm_label symver_gnu_asm
"
2021 atomics_gcc_if="sync_val_compare_and_swap
"
2022 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier
"
2023 atomics_win32_if="MemoryBarrier
"
2024 atomics_native_if_any="$ATOMICS_LIST"
2025 w32threads_deps="atomics_native
"
2026 threads_if_any="$THREADS_LIST"
2030 error_resilience_select="me_cmp
"
2031 faandct_deps="faan fdctdsp
"
2032 faanidct_deps="faan idctdsp
"
2033 frame_thread_encoder_deps="encoders threads
"
2034 intrax8_select="error_resilience
"
2037 me_cmp_select="fdctdsp idctdsp pixblockdsp
"
2038 mpeg_er_select="error_resilience
"
2039 mpegaudio_select="mpegaudiodsp
"
2040 mpegaudiodsp_select="dct
"
2041 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp
"
2042 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp
"
2044 # decoders / encoders
2045 aac_decoder_select="mdct sinewin
"
2046 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin
"
2047 aac_latm_decoder_select="aac_decoder aac_latm_parser
"
2048 ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct
"
2049 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct
"
2050 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp
"
2051 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp
"
2052 aic_decoder_select="golomb idctdsp
"
2053 alac_encoder_select="lpc
"
2054 als_decoder_select="bswapdsp
"
2055 amrnb_decoder_select="lsp
"
2056 amrwb_decoder_select="lsp
"
2057 amv_decoder_select="sp5x_decoder exif
"
2058 amv_encoder_select="aandcttables mpegvideoenc
"
2059 ape_decoder_select="bswapdsp llauddsp
"
2060 asv1_decoder_select="blockdsp bswapdsp idctdsp
"
2061 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp
"
2062 asv2_decoder_select="blockdsp bswapdsp idctdsp
"
2063 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp
"
2064 atrac1_decoder_select="mdct sinewin
"
2065 atrac3_decoder_select="mdct
"
2066 atrac3p_decoder_select="mdct sinewin
"
2067 avrn_decoder_select="exif
"
2068 bink_decoder_select="blockdsp hpeldsp
"
2069 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs
"
2070 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs
"
2071 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp
"
2072 cllc_decoder_select="bswapdsp
"
2073 comfortnoise_encoder_select="lpc
"
2074 cook_decoder_select="audiodsp mdct sinewin
"
2075 cscd_decoder_select="lzo
"
2076 cscd_decoder_suggest="zlib
"
2077 dca_decoder_select="mdct
"
2078 dirac_decoder_select="dwt golomb videodsp mpegvideoenc
"
2079 dnxhd_decoder_select="blockdsp idctdsp
"
2080 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp
"
2081 dvvideo_decoder_select="dvprofile idctdsp
"
2082 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp
"
2083 dxa_decoder_select="zlib
"
2084 eac3_decoder_select="ac3_decoder
"
2085 eac3_encoder_select="ac3_encoder
"
2086 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo
"
2087 eatgq_decoder_select="aandcttables
"
2088 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder
"
2089 exr_decoder_select="zlib
"
2090 ffv1_decoder_select="golomb rangecoder
"
2091 ffv1_encoder_select="rangecoder
"
2092 ffvhuff_decoder_select="huffyuv_decoder
"
2093 ffvhuff_encoder_select="huffyuv_encoder
"
2094 fic_decoder_select="golomb
"
2095 flac_decoder_select="golomb
"
2096 flac_encoder_select="bswapdsp golomb lpc
"
2097 flashsv_decoder_select="zlib
"
2098 flashsv_encoder_select="zlib
"
2099 flashsv2_encoder_select="zlib
"
2100 flashsv2_decoder_select="zlib
"
2101 flv_decoder_select="h263_decoder
"
2102 flv_encoder_select="h263_encoder
"
2103 fourxm_decoder_select="blockdsp bswapdsp
"
2104 fraps_decoder_select="bswapdsp huffman
"
2105 g2m_decoder_select="blockdsp idctdsp zlib
"
2106 g729_decoder_select="audiodsp
"
2107 h261_decoder_select="mpeg_er mpegvideo
"
2108 h261_encoder_select="aandcttables mpegvideoenc
"
2109 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp
"
2110 h263_encoder_select="aandcttables h263dsp mpegvideoenc
"
2111 h263i_decoder_select="h263_decoder
"
2112 h263p_encoder_select="h263_encoder
"
2113 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp
"
2114 h264_decoder_suggest="error_resilience
"
2115 hevc_decoder_select="bswapdsp cabac golomb videodsp
"
2116 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp
"
2117 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp
"
2118 iac_decoder_select="imc_decoder
"
2119 imc_decoder_select="bswapdsp fft mdct sinewin
"
2120 indeo3_decoder_select="hpeldsp
"
2121 interplay_video_decoder_select="hpeldsp
"
2122 jpegls_decoder_select="golomb mjpeg_decoder
"
2123 jpegls_encoder_select="golomb
"
2124 jv_decoder_select="blockdsp
"
2125 lagarith_decoder_select="huffyuvdsp
"
2126 ljpeg_encoder_select="aandcttables idctdsp
"
2127 loco_decoder_select="golomb
"
2128 mdec_decoder_select="blockdsp idctdsp mpegvideo
"
2129 metasound_decoder_select="lsp mdct sinewin
"
2130 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp
"
2131 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp
"
2132 mjpeg_encoder_select="aandcttables mpegvideoenc
"
2133 mjpegb_decoder_select="mjpeg_decoder
"
2134 mlp_decoder_select="mlp_parser
"
2135 motionpixels_decoder_select="bswapdsp
"
2136 mp1_decoder_select="mpegaudio
"
2137 mp1float_decoder_select="mpegaudio
"
2138 mp2_decoder_select="mpegaudio
"
2139 mp2float_decoder_select="mpegaudio
"
2140 mp3_decoder_select="mpegaudio
"
2141 mp3adu_decoder_select="mpegaudio
"
2142 mp3adufloat_decoder_select="mpegaudio
"
2143 mp3float_decoder_select="mpegaudio
"
2144 mp3on4_decoder_select="mpegaudio
"
2145 mp3on4float_decoder_select="mpegaudio
"
2146 mpc7_decoder_select="bswapdsp mpegaudiodsp
"
2147 mpc8_decoder_select="mpegaudiodsp
"
2148 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h
"
2149 mpeg_xvmc_decoder_select="mpeg2video_decoder
"
2150 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo
"
2151 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo
"
2152 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp
"
2153 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo
"
2154 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp
"
2155 mpeg4_decoder_select="h263_decoder mpeg4video_parser
"
2156 mpeg4_encoder_select="h263_encoder
"
2157 msmpeg4v1_decoder_select="h263_decoder
"
2158 msmpeg4v2_decoder_select="h263_decoder
"
2159 msmpeg4v2_encoder_select="h263_encoder
"
2160 msmpeg4v3_decoder_select="h263_decoder
"
2161 msmpeg4v3_encoder_select="h263_encoder
"
2162 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder
"
2163 mxpeg_decoder_select="mjpeg_decoder
"
2164 nellymoser_decoder_select="mdct sinewin
"
2165 nellymoser_encoder_select="audio_frame_queue mdct sinewin
"
2166 nuv_decoder_select="idctdsp lzo
"
2167 on2avc_decoder_select="mdct
"
2168 opus_decoder_deps="swresample
"
2169 png_decoder_select="zlib
"
2170 png_encoder_select="huffyuvencdsp zlib
"
2171 prores_decoder_select="blockdsp idctdsp
"
2172 prores_encoder_select="fdctdsp
"
2173 qcelp_decoder_select="lsp
"
2174 qdm2_decoder_select="mdct rdft mpegaudiodsp
"
2175 ra_144_encoder_select="audio_frame_queue lpc audiodsp
"
2176 ra_144_decoder_select="audiodsp
"
2177 ralf_decoder_select="golomb
"
2178 rawvideo_decoder_select="bswapdsp
"
2179 rtjpeg_decoder_select="me_cmp
"
2180 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er
"
2181 rv10_encoder_select="h263_encoder
"
2182 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er
"
2183 rv20_encoder_select="h263_encoder
"
2184 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp
"
2185 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp
"
2186 shorten_decoder_select="golomb
"
2187 sipr_decoder_select="lsp
"
2188 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp
"
2189 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder
"
2190 sonic_decoder_select="golomb rangecoder
"
2191 sonic_encoder_select="golomb rangecoder
"
2192 sonic_ls_encoder_select="golomb rangecoder
"
2193 sp5x_decoder_select="mjpeg_decoder
"
2194 svq1_decoder_select="hpeldsp
"
2195 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc
"
2196 svq3_decoder_select="h264_decoder hpeldsp tpeldsp
"
2197 svq3_decoder_suggest="zlib
"
2198 tak_decoder_select="audiodsp
"
2199 theora_decoder_select="vp3_decoder
"
2200 thp_decoder_select="mjpeg_decoder
"
2201 tiff_decoder_suggest="zlib lzma
"
2202 tiff_encoder_suggest="zlib
"
2203 truehd_decoder_select="mlp_parser
"
2204 truemotion2_decoder_select="bswapdsp
"
2205 truespeech_decoder_select="bswapdsp
"
2206 tscc_decoder_select="zlib
"
2207 twinvq_decoder_select="mdct lsp sinewin
"
2208 utvideo_decoder_select="bswapdsp
"
2209 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp
"
2210 vble_decoder_select="huffyuvdsp
"
2211 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode
"
2212 vc1image_decoder_select="vc1_decoder
"
2213 vorbis_decoder_select="mdct
"
2214 vorbis_encoder_select="mdct
"
2215 vp3_decoder_select="hpeldsp vp3dsp videodsp
"
2216 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp
"
2217 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp
"
2218 vp6a_decoder_select="vp6_decoder
"
2219 vp6f_decoder_select="vp6_decoder
"
2220 vp7_decoder_select="h264pred videodsp
"
2221 vp8_decoder_select="h264pred videodsp
"
2222 vp9_decoder_select="videodsp vp9_parser
"
2223 webp_decoder_select="vp8_decoder
"
2224 wmalossless_decoder_select="llauddsp
"
2225 wmapro_decoder_select="mdct sinewin wma_freqs
"
2226 wmav1_decoder_select="mdct sinewin wma_freqs
"
2227 wmav1_encoder_select="mdct sinewin wma_freqs
"
2228 wmav2_decoder_select="mdct sinewin wma_freqs
"
2229 wmav2_encoder_select="mdct sinewin wma_freqs
"
2230 wmavoice_decoder_select="lsp rdft dct mdct sinewin
"
2231 wmv1_decoder_select="h263_decoder
"
2232 wmv1_encoder_select="h263_encoder
"
2233 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp
"
2234 wmv2_encoder_select="h263_encoder
"
2235 wmv3_decoder_select="vc1_decoder
"
2236 wmv3image_decoder_select="wmv3_decoder
"
2237 zerocodec_decoder_select="zlib
"
2238 zlib_decoder_select="zlib
"
2239 zlib_encoder_select="zlib
"
2240 zmbv_decoder_select="zlib
"
2241 zmbv_encoder_select="zlib
"
2243 # hardware accelerators
2244 crystalhd_deps="libcrystalhd_libcrystalhd_if_h
"
2245 dxva2_deps="dxva2api_h
"
2246 vaapi_deps="va_va_h
"
2247 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads
"
2248 vda_extralibs="-framework CoreFoundation
-framework VideoDecodeAcceleration
-framework QuartzCore
"
2249 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h
"
2250 xvmc_deps="X11_extensions_XvMClib_h
"
2252 h263_vaapi_hwaccel_deps="vaapi
"
2253 h263_vaapi_hwaccel_select="h263_decoder
"
2254 h263_vdpau_hwaccel_deps="vdpau
"
2255 h263_vdpau_hwaccel_select="h263_decoder
"
2256 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser
"
2257 h264_dxva2_hwaccel_deps="dxva2
"
2258 h264_dxva2_hwaccel_select="h264_decoder
"
2259 h264_vaapi_hwaccel_deps="vaapi
"
2260 h264_vaapi_hwaccel_select="h264_decoder
"
2261 h264_vda_decoder_deps="vda
"
2262 h264_vda_decoder_select="h264_decoder
"
2263 h264_vda_hwaccel_deps="vda
"
2264 h264_vda_hwaccel_select="h264_decoder
"
2265 h264_vda_old_hwaccel_deps="vda
"
2266 h264_vda_old_hwaccel_select="h264_decoder
"
2267 h264_vdpau_decoder_deps="vdpau
"
2268 h264_vdpau_decoder_select="h264_decoder
"
2269 h264_vdpau_hwaccel_deps="vdpau
"
2270 h264_vdpau_hwaccel_select="h264_decoder
"
2271 mpeg_vdpau_decoder_deps="vdpau
"
2272 mpeg_vdpau_decoder_select="mpeg2video_decoder
"
2273 mpeg_xvmc_hwaccel_deps="xvmc
"
2274 mpeg_xvmc_hwaccel_select="mpeg2video_decoder
"
2275 mpeg1_vdpau_decoder_deps="vdpau
"
2276 mpeg1_vdpau_decoder_select="mpeg1video_decoder
"
2277 mpeg1_vdpau_hwaccel_deps="vdpau
"
2278 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder
"
2279 mpeg1_xvmc_hwaccel_deps="xvmc
"
2280 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder
"
2281 mpeg2_crystalhd_decoder_select="crystalhd
"
2282 mpeg2_dxva2_hwaccel_deps="dxva2
"
2283 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder
"
2284 mpeg2_vaapi_hwaccel_deps="vaapi
"
2285 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder
"
2286 mpeg2_vdpau_hwaccel_deps="vdpau
"
2287 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder
"
2288 mpeg2_xvmc_hwaccel_deps="xvmc
"
2289 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder
"
2290 mpeg4_crystalhd_decoder_select="crystalhd
"
2291 mpeg4_vaapi_hwaccel_deps="vaapi
"
2292 mpeg4_vaapi_hwaccel_select="mpeg4_decoder
"
2293 mpeg4_vdpau_decoder_deps="vdpau
"
2294 mpeg4_vdpau_decoder_select="mpeg4_decoder
"
2295 mpeg4_vdpau_hwaccel_deps="vdpau
"
2296 mpeg4_vdpau_hwaccel_select="mpeg4_decoder
"
2297 msmpeg4_crystalhd_decoder_select="crystalhd
"
2298 vc1_crystalhd_decoder_select="crystalhd
"
2299 vc1_dxva2_hwaccel_deps="dxva2
"
2300 vc1_dxva2_hwaccel_select="vc1_decoder
"
2301 vc1_vaapi_hwaccel_deps="vaapi
"
2302 vc1_vaapi_hwaccel_select="vc1_decoder
"
2303 vc1_vdpau_decoder_deps="vdpau
"
2304 vc1_vdpau_decoder_select="vc1_decoder
"
2305 vc1_vdpau_hwaccel_deps="vdpau
"
2306 vc1_vdpau_hwaccel_select="vc1_decoder
"
2307 wmv3_crystalhd_decoder_select="crystalhd
"
2308 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel
"
2309 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel
"
2310 wmv3_vdpau_decoder_select="vc1_vdpau_decoder
"
2311 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel
"
2314 h264_parser_select="h264_decoder
"
2315 hevc_parser_select="hevc_decoder
"
2316 mpegvideo_parser_select="mpegvideo
"
2317 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp
"
2318 vc1_parser_select="mpegvideo startcode vc1_decoder
"
2320 # external libraries
2321 libaacplus_encoder_deps="libaacplus
"
2322 libcelt_decoder_deps="libcelt
"
2323 libfaac_encoder_deps="libfaac
"
2324 libfaac_encoder_select="audio_frame_queue
"
2325 libfdk_aac_decoder_deps="libfdk_aac
"
2326 libfdk_aac_encoder_deps="libfdk_aac
"
2327 libfdk_aac_encoder_select="audio_frame_queue
"
2328 libgme_demuxer_deps="libgme
"
2329 libgsm_decoder_deps="libgsm
"
2330 libgsm_encoder_deps="libgsm
"
2331 libgsm_ms_decoder_deps="libgsm
"
2332 libgsm_ms_encoder_deps="libgsm
"
2333 libilbc_decoder_deps="libilbc
"
2334 libilbc_encoder_deps="libilbc
"
2335 libmodplug_demuxer_deps="libmodplug
"
2336 libmp3lame_encoder_deps="libmp3lame
"
2337 libmp3lame_encoder_select="audio_frame_queue
"
2338 libopencore_amrnb_decoder_deps="libopencore_amrnb
"
2339 libopencore_amrnb_encoder_deps="libopencore_amrnb
"
2340 libopencore_amrnb_encoder_select="audio_frame_queue
"
2341 libopencore_amrwb_decoder_deps="libopencore_amrwb
"
2342 libopenjpeg_decoder_deps="libopenjpeg
"
2343 libopenjpeg_encoder_deps="libopenjpeg
"
2344 libopus_decoder_deps="libopus
"
2345 libopus_encoder_deps="libopus
"
2346 libopus_encoder_select="audio_frame_queue
"
2347 libquvi_demuxer_deps="libquvi
"
2348 libschroedinger_decoder_deps="libschroedinger
"
2349 libschroedinger_encoder_deps="libschroedinger
"
2350 libshine_encoder_deps="libshine
"
2351 libshine_encoder_select="audio_frame_queue
"
2352 libspeex_decoder_deps="libspeex
"
2353 libspeex_encoder_deps="libspeex
"
2354 libspeex_encoder_select="audio_frame_queue
"
2355 libstagefright_h264_decoder_deps="libstagefright_h264
"
2356 libtheora_encoder_deps="libtheora
"
2357 libtwolame_encoder_deps="libtwolame
"
2358 libvo_aacenc_encoder_deps="libvo_aacenc
"
2359 libvo_aacenc_encoder_select="audio_frame_queue
"
2360 libvo_amrwbenc_encoder_deps="libvo_amrwbenc
"
2361 libvorbis_decoder_deps="libvorbis
"
2362 libvorbis_encoder_deps="libvorbis
"
2363 libvorbis_encoder_select="audio_frame_queue
"
2364 libvpx_vp8_decoder_deps="libvpx
"
2365 libvpx_vp8_encoder_deps="libvpx
"
2366 libvpx_vp9_decoder_deps="libvpx
"
2367 libvpx_vp9_encoder_deps="libvpx
"
2368 libwavpack_encoder_deps="libwavpack
"
2369 libwebp_encoder_deps="libwebp
"
2370 libx264_encoder_deps="libx264
"
2371 libx264rgb_encoder_deps="libx264
"
2372 libx265_encoder_deps="libx265
"
2373 libxavs_encoder_deps="libxavs
"
2374 libxvid_encoder_deps="libxvid
"
2375 libutvideo_decoder_deps="libutvideo
"
2376 libutvideo_encoder_deps="libutvideo
"
2377 libzvbi_teletext_decoder_deps="libzvbi
"
2380 ac3_demuxer_select="ac3_parser
"
2381 asf_demuxer_select="riffdec
"
2382 asf_muxer_select="riffenc
"
2383 asf_stream_muxer_select="asf_muxer
"
2384 avi_demuxer_select="riffdec exif
"
2385 avi_muxer_select="riffenc
"
2386 avisynth_demuxer_deps="avisynth
"
2387 avisynth_demuxer_select="riffdec
"
2388 caf_demuxer_select="riffdec
"
2389 dirac_demuxer_select="dirac_parser
"
2390 dts_demuxer_select="dca_parser
"
2391 dtshd_demuxer_select="dca_parser
"
2392 dv_demuxer_select="dvprofile
"
2393 dv_muxer_select="dvprofile
"
2394 dxa_demuxer_select="riffdec
"
2395 eac3_demuxer_select="ac3_parser
"
2396 f4v_muxer_select="mov_muxer
"
2397 flac_demuxer_select="flac_parser
"
2398 hds_muxer_select="flv_muxer
"
2399 hls_muxer_select="mpegts_muxer
"
2400 image2_alias_pix_demuxer_select="image2_demuxer
"
2401 image2_brender_pix_demuxer_select="image2_demuxer
"
2402 ipod_muxer_select="mov_muxer
"
2403 ismv_muxer_select="mov_muxer
"
2404 libnut_demuxer_deps="libnut
"
2405 libnut_muxer_deps="libnut
"
2406 matroska_audio_muxer_select="matroska_muxer
"
2407 matroska_demuxer_select="riffdec
"
2408 matroska_demuxer_suggest="bzlib lzo zlib
"
2409 matroska_muxer_select="riffenc
"
2410 mmf_muxer_select="riffenc
"
2411 mov_demuxer_select="riffdec
"
2412 mov_demuxer_suggest="zlib
"
2413 mov_muxer_select="riffenc rtpenc_chain
"
2414 mp3_demuxer_select="mpegaudio_parser
"
2415 mp4_muxer_select="mov_muxer
"
2416 mpegts_muxer_select="adts_muxer latm_muxer
"
2417 mpegtsraw_demuxer_select="mpegts_demuxer
"
2418 mxf_d10_muxer_select="mxf_muxer
"
2419 nut_muxer_select="riffenc
"
2420 nuv_demuxer_select="riffdec
"
2421 oga_muxer_select="ogg_muxer
"
2422 ogg_demuxer_select="golomb
"
2423 opus_muxer_select="ogg_muxer
"
2424 psp_muxer_select="mov_muxer
"
2425 rtp_demuxer_select="sdp_demuxer
"
2426 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer
"
2427 rtsp_demuxer_select="http_protocol rtpdec
"
2428 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain
"
2429 sap_demuxer_select="sdp_demuxer
"
2430 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain
"
2431 sdp_demuxer_select="rtpdec
"
2432 smoothstreaming_muxer_select="ismv_muxer
"
2433 spdif_muxer_select="aac_parser
"
2434 spx_muxer_select="ogg_muxer
"
2435 tak_demuxer_select="tak_parser
"
2436 tg2_muxer_select="mov_muxer
"
2437 tgp_muxer_select="mov_muxer
"
2438 vobsub_demuxer_select="mpegps_demuxer
"
2439 w64_demuxer_select="wav_demuxer
"
2440 w64_muxer_select="wav_muxer
"
2441 wav_demuxer_select="riffdec
"
2442 wav_muxer_select="riffenc
"
2443 webm_muxer_select="riffenc
"
2444 wtv_demuxer_select="riffdec
"
2445 wtv_muxer_select="riffenc
"
2446 xmv_demuxer_select="riffdec
"
2447 xwma_demuxer_select="riffdec
"
2450 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp
"
2451 alsa_outdev_deps="alsa_asoundlib_h
"
2452 avfoundation_indev_extralibs="-framework CoreVideo
-framework Foundation
-framework AVFoundation
-framework CoreMedia
"
2453 avfoundation_indev_select="avfoundation
"
2454 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h
"
2455 caca_outdev_deps="libcaca
"
2456 decklink_outdev_deps="decklink pthreads
"
2457 decklink_outdev_extralibs="-lstdc++"
2458 dshow_indev_deps="IBaseFilter
"
2459 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2460 dv1394_indev_deps="dv1394
"
2461 dv1394_indev_select="dv_demuxer
"
2462 fbdev_indev_deps="linux_fb_h
"
2463 fbdev_outdev_deps="linux_fb_h
"
2464 gdigrab_indev_deps="CreateDIBSection
"
2465 gdigrab_indev_extralibs="-lgdi32"
2466 gdigrab_indev_select="bmp_decoder
"
2467 iec61883_indev_deps="libiec61883
"
2468 jack_indev_deps="jack_jack_h sem_timedwait
"
2469 lavfi_indev_deps="avfilter
"
2470 libcdio_indev_deps="libcdio
"
2471 libdc1394_indev_deps="libdc1394
"
2472 libv4l2_indev_deps="libv4l2
"
2473 openal_indev_deps="openal
"
2474 opengl_outdev_deps="opengl
"
2475 oss_indev_deps_any="soundcard_h sys_soundcard_h
"
2476 oss_outdev_deps_any="soundcard_h sys_soundcard_h
"
2477 pulse_indev_deps="libpulse
"
2478 pulse_outdev_deps="libpulse
"
2479 qtkit_indev_extralibs="-framework QTKit
-framework Foundation
-framework QuartzCore
"
2480 qtkit_indev_select="qtkit
"
2481 sdl_outdev_deps="sdl
"
2482 sndio_indev_deps="sndio_h
"
2483 sndio_outdev_deps="sndio_h
"
2484 v4l_indev_deps="linux_videodev_h
"
2485 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h
"
2486 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h
"
2487 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines
"
2488 vfwcap_indev_extralibs="-lavicap32"
2489 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute
"
2490 xv_outdev_extralibs="-lXv -lX11 -lXext"
2491 x11grab_indev_deps="x11grab
"
2494 bluray_protocol_deps="libbluray
"
2495 ffrtmpcrypt_protocol_deps="!librtmp_protocol
"
2496 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl
"
2497 ffrtmpcrypt_protocol_select="tcp_protocol
"
2498 ffrtmphttp_protocol_deps="!librtmp_protocol
"
2499 ffrtmphttp_protocol_select="http_protocol
"
2500 ftp_protocol_select="tcp_protocol
"
2501 gopher_protocol_select="network
"
2502 http_protocol_select="tcp_protocol
"
2503 httpproxy_protocol_select="tcp_protocol
"
2504 https_protocol_select="tls_protocol
"
2505 icecast_protocol_select="http_protocol
"
2506 librtmp_protocol_deps="librtmp
"
2507 librtmpe_protocol_deps="librtmp
"
2508 librtmps_protocol_deps="librtmp
"
2509 librtmpt_protocol_deps="librtmp
"
2510 librtmpte_protocol_deps="librtmp
"
2511 libsmbclient_protocol_deps="libsmbclient gplv3
"
2512 libssh_protocol_deps="libssh
"
2513 mmsh_protocol_select="http_protocol
"
2514 mmst_protocol_select="network
"
2515 rtmp_protocol_deps="!librtmp_protocol
"
2516 rtmp_protocol_select="tcp_protocol
"
2517 rtmpe_protocol_select="ffrtmpcrypt_protocol
"
2518 rtmps_protocol_deps="!librtmp_protocol
"
2519 rtmps_protocol_select="tls_protocol
"
2520 rtmpt_protocol_select="ffrtmphttp_protocol
"
2521 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol
"
2522 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol
"
2523 rtp_protocol_select="udp_protocol
"
2524 sctp_protocol_deps="struct_sctp_event_subscribe
"
2525 sctp_protocol_select="network
"
2526 srtp_protocol_select="rtp_protocol
"
2527 tcp_protocol_select="network
"
2528 tls_protocol_deps_any="openssl gnutls
"
2529 tls_protocol_select="tcp_protocol
"
2530 udp_protocol_select="network
"
2531 unix_protocol_deps="sys_un_h
"
2532 unix_protocol_select="network
"
2535 aconvert_filter_deps="swresample
"
2536 amovie_filter_deps="avcodec avformat
"
2537 aresample_filter_deps="swresample
"
2538 ass_filter_deps="libass
"
2539 asyncts_filter_deps="avresample
"
2540 atempo_filter_deps="avcodec
"
2541 atempo_filter_select="rdft
"
2542 azmq_filter_deps="libzmq
"
2543 blackframe_filter_deps="gpl
"
2544 boxblur_filter_deps="gpl
"
2545 bs2b_filter_deps="libbs2b
"
2546 colormatrix_filter_deps="gpl
"
2547 cropdetect_filter_deps="gpl
"
2548 delogo_filter_deps="gpl
"
2549 deshake_filter_select="pixelutils
"
2550 drawtext_filter_deps="libfreetype
"
2551 ebur128_filter_deps="gpl
"
2552 flite_filter_deps="libflite
"
2553 frei0r_filter_deps="frei0r dlopen
"
2554 frei0r_filter_extralibs='$ldl'
2555 frei0r_src_filter_deps="frei0r dlopen
"
2556 frei0r_src_filter_extralibs='$ldl'
2557 geq_filter_deps="gpl
"
2558 histeq_filter_deps="gpl
"
2559 hqdn3d_filter_deps="gpl
"
2560 interlace_filter_deps="gpl
"
2561 kerndeint_filter_deps="gpl
"
2562 ladspa_filter_deps="ladspa dlopen
"
2563 ladspa_filter_extralibs='$ldl'
2564 mcdeint_filter_deps="avcodec gpl
"
2565 movie_filter_deps="avcodec avformat
"
2566 mp_filter_deps="gpl avcodec swscale inline_asm
"
2567 mpdecimate_filter_deps="gpl
"
2568 mpdecimate_filter_select="pixelutils
"
2569 mptestsrc_filter_deps="gpl
"
2570 negate_filter_deps="lut_filter
"
2571 perspective_filter_deps="gpl
"
2572 ocv_filter_deps="libopencv
"
2573 owdenoise_filter_deps="gpl
"
2574 pan_filter_deps="swresample
"
2575 phase_filter_deps="gpl
"
2576 pp_filter_deps="gpl postproc
"
2577 pullup_filter_deps="gpl
"
2578 removelogo_filter_deps="avcodec avformat swscale
"
2579 resample_filter_deps="avresample
"
2580 sab_filter_deps="gpl swscale
"
2581 scale_filter_deps="swscale
"
2582 select_filter_select="pixelutils
"
2583 smartblur_filter_deps="gpl swscale
"
2584 showspectrum_filter_deps="avcodec
"
2585 showspectrum_filter_select="rdft
"
2586 spp_filter_deps="gpl avcodec
"
2587 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp
"
2588 stereo3d_filter_deps="gpl
"
2589 subtitles_filter_deps="avformat avcodec libass
"
2590 super2xsai_filter_deps="gpl
"
2591 tinterlace_filter_deps="gpl
"
2592 vidstabdetect_filter_deps="libvidstab
"
2593 vidstabtransform_filter_deps="libvidstab
"
2594 pixfmts_super2xsai_test_deps="super2xsai_filter
"
2595 tinterlace_merge_test_deps="tinterlace_filter
"
2596 tinterlace_pad_test_deps="tinterlace_filter
"
2597 zmq_filter_deps="libzmq
"
2598 zoompan_filter_deps="swscale
"
2601 avio_reading="avformat avcodec avutil
"
2602 avcodec_example_deps="avcodec avutil
"
2603 decoding_encoding_example_deps="avcodec avformat avutil
"
2604 demuxing_decoding_example_deps="avcodec avformat avutil
"
2605 extract_mvs_example_deps="avcodec avformat avutil
"
2606 filter_audio_example_deps="avfilter avutil
"
2607 filtering_audio_example_deps="avfilter avcodec avformat avutil
"
2608 filtering_video_example_deps="avfilter avcodec avformat avutil
"
2609 metadata_example_deps="avformat avutil
"
2610 muxing_example_deps="avcodec avformat avutil swscale
"
2611 remuxing_example_deps="avcodec avformat avutil
"
2612 resampling_audio_example_deps="avutil swresample
"
2613 scaling_video_example_deps="avutil swscale
"
2614 transcode_aac_example_deps="avcodec avformat swresample
"
2615 transcoding_example_deps="avfilter avcodec avformat avutil
"
2617 # libraries, in linking order
2618 avcodec_deps="avutil
"
2619 avdevice_deps="avformat avcodec avutil
"
2620 avfilter_deps="avutil
"
2621 avformat_deps="avcodec avutil
"
2622 avresample_deps="avutil
"
2623 postproc_deps="avutil gpl
"
2624 swresample_deps="avutil
"
2625 swscale_deps="avutil
"
2628 ffmpeg_deps="avcodec avfilter avformat swresample
"
2629 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2631 setpts_filter trim_filter
"
2632 ffplay_deps="avcodec avformat swscale swresample sdl
"
2633 ffplay_libs='$sdl_libs'
2634 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter
"
2635 ffprobe_deps="avcodec avformat
"
2636 ffserver_deps="avformat fork sarestart
"
2637 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer
"
2640 podpages_deps="perl
"
2641 manpages_deps="perl pod2man
"
2642 htmlpages_deps="perl
"
2643 htmlpages_deps_any="makeinfo_html texi2html
"
2644 txtpages_deps="perl makeinfo
"
2645 doc_deps_any="manpages htmlpages podpages txtpages
"
2647 # default parameters
2649 logfile="config.log
"
2651 # installation paths
2652 prefix_default="/usr
/local"
2653 bindir_default='${prefix}/bin'
2654 datadir_default='${prefix}/share/ffmpeg'
2655 docdir_default='${prefix}/share/doc/ffmpeg'
2656 incdir_default='${prefix}/include'
2657 libdir_default='${prefix}/lib'
2658 mandir_default='${prefix}/share/man'
2659 shlibdir_default="$libdir_default"
2665 host_cc_default="gcc
"
2667 doxygen_default="doxygen
"
2672 pkg_config_default=pkg-config
2673 ranlib_default="ranlib
"
2674 strip_default="strip
"
2675 yasmexe_default="yasm
"
2676 windres_default="windres
"
2679 target_os_default=$(tolower $(uname -s))
2680 host_os=$target_os_default
2683 if test "$target_os_default" = aix; then
2684 arch_default=$(uname -p)
2685 strip_default="strip
-X32_64"
2687 arch_default=$(uname -m)
2692 # configurable options
2693 enable $PROGRAM_LIST
2694 enable $DOCUMENT_LIST
2695 enable $EXAMPLE_LIST
2696 enable $(filter_out avresample $LIBRARY_LIST)
2702 enable faan faandct faanidct
2703 enable optimizations
2704 enable runtime_cpudetect
2705 enable safe_bitstream_reader
2707 enable swscale_alpha
2709 sws_max_filter_size_default=256
2710 set_default sws_max_filter_size
2712 # Enable hwaccels by default.
2713 enable dxva2 vaapi vda vdpau xvmc
2717 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2720 FULLNAME='$(NAME)$(BUILDSUF)'
2721 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2724 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2725 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2726 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2727 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$
(LIBDIR
)/$
(LIBNAME
)"'
2728 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2729 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2751 host_cflags_filter=echo
2752 host_ldflags_filter=echo
2754 target_path='$(CURDIR)'
2756 # since the object filename is not given with the -MM flag, the compiler
2757 # is only able to print the basename, and we must add the path ourselves
2758 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\
#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2762 if test -f configure
; then
2765 source_path
=$
(cd $
(dirname "$0"); pwd)
2766 echo "$source_path" |
grep -q '[[:blank:]]' &&
2767 die
"Out of tree builds are impossible with whitespace in source path."
2768 test -e "$source_path/config.h" &&
2769 die
"Out of tree builds are impossible with config.h in source dir."
2776 FFMPEG_CONFIGURATION
="${FFMPEG_CONFIGURATION# } ${l}${r}"
2782 file=$source_path/$3
2783 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2786 ENCODER_LIST
=$
(find_things encoder ENC libavcodec
/allcodecs.c
)
2787 DECODER_LIST
=$
(find_things decoder DEC libavcodec
/allcodecs.c
)
2788 HWACCEL_LIST
=$
(find_things hwaccel HWACCEL libavcodec
/allcodecs.c
)
2789 PARSER_LIST
=$
(find_things parser PARSER libavcodec
/allcodecs.c
)
2790 BSF_LIST
=$
(find_things bsf BSF libavcodec
/allcodecs.c
)
2791 MUXER_LIST
=$
(find_things muxer _MUX libavformat
/allformats.c
)
2792 DEMUXER_LIST
=$
(find_things demuxer DEMUX libavformat
/allformats.c
)
2793 OUTDEV_LIST
=$
(find_things outdev OUTDEV libavdevice
/alldevices.c
)
2794 INDEV_LIST
=$
(find_things indev _IN libavdevice
/alldevices.c
)
2795 PROTOCOL_LIST
=$
(find_things protocol PROTOCOL libavformat
/allformats.c
)
2796 FILTER_LIST
=$
(find_things filter FILTER libavfilter
/allfilters.c
)
2812 for n
in $COMPONENT_LIST; do
2813 v
=$
(toupper
${n%s})_LIST
2815 eval ${n}_if_any
="\$$v"
2818 enable $ARCH_EXT_LIST
2821 echo "Unknown option \"$1\"."
2822 echo "See $0 --help for available options."
2827 cat |
tr ' ' '\n' |
sort |
pr -r -3 -t
2833 echo $
* |
sed s
/$suffix//g | print_3_columns
2845 is_in
${comp} $COMPONENT_LIST && eval comp
=\$$
(toupper
${comp%s})_LIST
2846 echo "prob ${prob:-0.5}"
2854 random_seed
=$
(awk "BEGIN { srand($random_seed); print srand() }")
2855 $action $
(rand_list
"$@" |
awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2864 --extra-ldexeflags=*)
2865 add_ldexeflags
$optval
2868 add_extralibs
$optval
2871 disable
$INDEV_LIST $OUTDEV_LIST
2874 debuglevel
="$optval"
2877 disable
$PROGRAM_LIST
2879 --disable-everything)
2880 map
'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2883 map
'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2884 disable
$LIBRARY_LIST $PROGRAM_LIST doc
2886 --enable-random|
--disable-random)
2887 action
=${opt%%-random}
2888 do_random
${action#--} $COMPONENT_LIST
2890 --enable-random=*|
--disable-random=*)
2891 action
=${opt%%-random=*}
2892 do_random
${action#--} $optval
2894 --enable-*=*|
--disable-*=*)
2895 eval $
(echo "${opt%%=*}" |
sed 's/--/action=/;s/-/ thing=/')
2896 is_in
"${thing}s" $COMPONENT_LIST || die_unknown
"$opt"
2897 eval list
=\$$
(toupper
$thing)_LIST
2898 name
=$
(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2899 list=$(filter "$name" $list)
2900 [ "$list" = "" ] && warn "Option
$opt did not match anything
"
2903 --enable-?*|--disable-?*)
2904 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2905 if is_in $option $COMPONENT_LIST; then
2906 test $action = disable && action=unset
2907 eval $action \$$(toupper ${option%s})_LIST
2908 elif is_in $option $CMDLINE_SELECT; then
2915 NAME="${opt#--list-}"
2916 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2918 eval show_list $NAME \$$(toupper $NAME)_LIST
2920 --help|-h) show_help
2922 --fatal-warnings) enable fatal_warnings
2925 optname="${opt%%=*}"
2926 optname="${optname#--}"
2927 optname=$(echo "$optname" | sed 's/-/_/g')
2928 if is_in $optname $CMDLINE_SET; then
2929 eval $optname='$optval'
2930 elif is_in $optname $CMDLINE_APPEND; then
2931 append $optname "$optval"
2939 disabled logging && logfile=/dev/null
2941 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2944 test -n "$cross_prefix" && enable cross_compile
2946 if enabled cross_compile
; then
2947 test -n "$arch" && test -n "$target_os" ||
2948 die
"Must specify target arch and OS when cross-compiling"
2951 ar_default
="${cross_prefix}${ar_default}"
2952 cc_default
="${cross_prefix}${cc_default}"
2953 cxx_default
="${cross_prefix}${cxx_default}"
2954 nm_default
="${cross_prefix}${nm_default}"
2955 pkg_config_default
="${cross_prefix}${pkg_config_default}"
2956 ranlib_default
="${cross_prefix}${ranlib_default}"
2957 strip_default
="${cross_prefix}${strip_default}"
2958 windres_default
="${cross_prefix}${windres_default}"
2960 sysinclude_default
="${sysroot}/usr/include"
2962 test -n "$valgrind" && toolchain
="valgrind-memcheck"
2964 case "$toolchain" in
2967 add_cflags
-fsanitize=address
2968 add_ldflags
-fsanitize=address
2972 add_cflags
-fsanitize=thread
-pie
2973 add_ldflags
-fsanitize=thread
-pie
2977 add_cflags
-fsanitize=undefined
2978 add_ldflags
-fsanitize=undefined
2982 add_cflags
-fsanitize=address
2983 add_ldflags
-fsanitize=address
2987 add_cflags
-fsanitize=thread
-pie -fPIC
2988 add_ldflags
-fsanitize=thread
-pie -fPIC
2992 add_cflags
-fsanitize=undefined
2993 add_ldflags
-fsanitize=undefined
2996 target_exec_default
=${valgrind:-"valgrind"}
2997 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"
3000 target_exec_default
=${valgrind:-"valgrind"}
3001 target_exec_args
="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3004 # Check whether the current MSVC version needs the C99 converter.
3005 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3006 # support enough of C99 to build ffmpeg. Default to the new
3007 # behaviour if the regexp was unable to match anything, since this
3008 # successfully parses the version number of existing supported
3009 # versions that require the converter (MSVC 2010 and 2012).
3010 cl_major_ver
=$
(cl
2>&1 |
sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3011 if [ -z "$cl_major_ver" ] ||
[ $cl_major_ver -ge 18 ]; then
3014 cc_default
="c99wrap cl"
3017 nm_default
="dumpbin -symbols"
3019 target_os_default
="win32"
3020 # Use a relative path for TMPDIR. This makes sure all the
3021 # ffconf temp files are written with a relative path, avoiding
3022 # issues with msys/win32 path conversion for MSVC parameters
3023 # such as -Fo<file> or -out:<file>.
3029 nm_default
="dumpbin -symbols"
3031 target_os_default
="win32"
3035 add_cflags
-fprofile-arcs -ftest-coverage
3036 add_ldflags
-fprofile-arcs -ftest-coverage
3039 add_cflags
-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
3040 add_ldflags
-Wl,-z,relro
-Wl,-z,now
3043 die
"Unknown toolchain $toolchain"
3047 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3048 target_exec target_os yasmexe
3049 enabled cross_compile || host_cc_default
=$cc
3052 if ! $pkg_config --version >/dev
/null
2>&1; then
3053 warn
"$pkg_config not found, library detection may fail."
3057 if test $doxygen != $doxygen_default && \
3058 ! $doxygen --version >/dev
/null
2>&1; then
3059 warn
"Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3064 mingw32
*|win32|win64|cygwin
*|
*-dos|freedos|opendos|os
/2*|symbian
) echo .exe
;;
3068 EXESUF
=$
(exesuf
$target_os)
3069 HOSTEXESUF
=$
(exesuf
$host_os)
3071 # set temporary file name
3072 : ${TMPDIR:=$TEMPDIR}
3076 if [ -n "$tempprefix" ] ; then
3078 echo $tempprefix.
${HOSTNAME}.
${UID}
3080 elif ! check_cmd mktemp
-u XXXXXX
; then
3081 # simple replacement for missing mktemp
3082 # NOT SAFE FOR GENERAL USE
3084 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3089 tmp
=$
(mktemp
-u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3090 (set -C; exec > $tmp) 2>/dev
/null ||
3091 die
"Unable to create temporary file in $TMPDIR."
3092 append TMPFILES
$tmp
3096 trap 'rm -f -- $TMPFILES' EXIT
3101 tmpfile TMPE
$EXESUF
3113 # make sure we can execute files in $TMPDIR
3114 cat > $TMPSH 2>> $logfile <<EOF
3117 chmod +x
$TMPSH >> $logfile 2>&1
3118 if ! $TMPSH >> $logfile 2>&1; then
3120 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3121 variable to another directory and make sure that it is not mounted noexec.
3123 die
"Sanity test failed."
3129 # Filter out MSVC cl.exe options from cflags that shouldn't
3130 # be passed to gas-preprocessor
3140 -std=c99
) echo -c99 ;;
3141 -mcpu=*) echo -arch ${flag#*=} ;;
3142 -mieee) echo -ieee ;;
3143 -O*|
-fast) echo $flag ;;
3144 -fno-math-errno) echo -assume nomath_errno
;;
3146 -Wall) echo -msg_enable level2
;;
3147 -Wno-pointer-sign) echo -msg_disable ptrmismatch1
;;
3148 -Wl,*) echo $flag ;;
3158 -Wno-switch) echo -Wno-switch-enum ;;
3159 -Wno-format-zero-length) ;;
3160 -Wdisabled-optimization) ;;
3161 -Wno-pointer-sign) echo -Wno-other ;;
3167 msvc_common_flags
(){
3170 # In addition to specifying certain flags under the compiler
3171 # specific filters, they must be specified here as well or else the
3172 # generic catch all at the bottom will print the original flag.
3176 -fomit-frame-pointer) ;;
3180 -fno-signed-zeros) ;;
3184 -lz) echo zlib.lib
;;
3185 -lavifil32) echo vfw32.lib
;;
3186 -lavicap32) echo vfw32.lib user32.lib
;;
3187 -l*) echo ${flag#-l}.lib
;;
3194 msvc_common_flags
"$@"
3197 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3198 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3199 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3207 msvc_common_flags
"$@"
3210 # Despite what Intel's documentation says -Wall, which is supported
3211 # on Windows, does enable remarks so disable them here.
3212 -Wall) echo $flag -Qdiag-disable:remark
;;
3213 -std=c99
) echo -Qstd=c99
;;
3231 -flto) echo -Mipa=fast
,libopt
,libinline
,vestigial
;;
3232 -fomit-frame-pointer) echo -Mnoframe ;;
3243 case "${flag#*=}" in
3244 native
) echo -xtarget=native
;;
3245 v9|niagara
) echo -xarch=sparc
;;
3246 ultrasparc
) echo -xarch=sparcvis
;;
3247 ultrasparc3|niagara2
) echo -xarch=sparcvis2
;;
3248 i586|pentium
) echo -xchip=pentium
;;
3249 i686|pentiumpro|pentium2
) echo -xtarget=pentium_pro
;;
3250 pentium3
*|c3-2
) echo -xtarget=pentium3
;;
3251 pentium-m
) echo -xarch=sse2
-xchip=pentium3
;;
3252 pentium4
*) echo -xtarget=pentium4
;;
3253 prescott|nocona
) echo -xarch=sse3
-xchip=pentium4
;;
3254 *-sse3) echo -xarch=sse3
;;
3255 core2
) echo -xarch=ssse3
-xchip=core2
;;
3256 bonnell
) echo -xarch=ssse3
;;
3257 corei7|nehalem
) echo -xtarget=nehalem
;;
3258 westmere
) echo -xtarget=westmere
;;
3259 silvermont
) echo -xarch=sse4_2
;;
3260 corei7-avx|sandybridge
) echo -xtarget=sandybridge
;;
3261 core-avx
*|ivybridge|haswell|broadwell
)
3263 amdfam10|barcelona
) echo -xtarget=barcelona
;;
3264 btver1
) echo -xarch=amdsse4a
;;
3265 btver2|bdver
*) echo -xarch=avx
;;
3266 athlon-4|athlon-
[mx
]p
) echo -xarch=ssea
;;
3267 k8|opteron|athlon64|athlon-fx
)
3268 echo -xarch=sse2a
;;
3269 athlon
*) echo -xarch=pentium_proa
;;
3272 -std=c99
) echo -xc99 ;;
3273 -fomit-frame-pointer) echo -xregs=frameptr
;;
3274 -fPIC) echo -KPIC -xcode=pic32
;;
3275 -W*,*) echo $flag ;;
3276 -f*-*|
-W*|
-mimpure-text) ;;
3287 case "${flag#*=}" in
3288 armv7-a|cortex-a
*) echo -mv=7a8
;;
3289 armv7-r|cortex-r
*) echo -mv=7r4
;;
3290 armv7-m|cortex-m
*) echo -mv=7m3
;;
3291 armv6
*|arm11
*) echo -mv=6 ;;
3292 armv5
*e|arm
[79]*e
*|arm9
[24]6*|arm96
*|arm102
[26])
3294 armv4
*|arm7
*|arm9
[24]*) echo -mv=4 ;;
3297 -mfpu=neon
) echo --float_support=vfpv3
--neon ;;
3298 -mfpu=vfp
) echo --float_support=vfpv2
;;
3299 -mfpu=vfpv3
) echo --float_support=vfpv3
;;
3300 -mfpu=vfpv3-d16
) echo --float_support=vfpv3d16
;;
3301 -msoft-float) echo --float_support=vfplib
;;
3302 -O[0-3]|
-mf=*) echo $flag ;;
3304 -pds=*) echo $flag ;;
3305 -D*|
-I*) echo $flag ;;
3306 --gcc|
--abi=*) echo $flag ;;
3316 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3317 unset _ld_o _ldflags _ld_lib _ld_path
3318 unset _depflags _DEPCMD _DEPFLAGS
3321 if $_cc --version 2>&1 |
grep -q '^GNU assembler'; then
3322 true
# no-op to avoid reading stdin in following checks
3323 elif $_cc -v 2>&1 |
grep -q '^gcc.*LLVM'; then
3325 gcc_extra_ver
=$
(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3326 _ident
="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3327 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3330 elif $_cc -v 2>&1 |
grep -qi ^gcc
; then
3332 gcc_version
=$
($_cc --version |
head -n1)
3333 gcc_basever
=$
($_cc -dumpversion)
3334 gcc_pkg_ver
=$
(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3335 gcc_ext_ver
=$
(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3336 _ident
=$
(cleanws
"gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3337 if ! $_cc -dumpversion |
grep -q '^2\.'; then
3338 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3342 elif $_cc --version 2>/dev
/null |
grep -q ^icc
; then
3344 _ident
=$
($_cc --version |
head -n1)
3349 _flags_filter
=icc_flags
3350 elif $_cc -v 2>&1 |
grep -q xlc
; then
3352 _ident
=$
($_cc -qversion 2>/dev
/null |
head -n1)
3354 _cflags_size
='-O5 -qcompact'
3355 elif $_cc -V 2>/dev
/null |
grep -q Compaq
; then
3357 _ident
=$
($_cc -V |
head -n1 | cut
-d' ' -f1-3)
3359 _cflags_speed
='-fast'
3361 _flags_filter
=ccc_flags
3362 elif $_cc --vsn 2>/dev
/null |
grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3363 test -d "$sysroot" || die
"No valid sysroot specified."
3365 _ident
=$
($_cc --vsn |
grep -i build |
head -n1 |
sed 's/.*: //')
3366 armcc_conf
="$PWD/armcc.conf"
3367 $_cc --arm_linux_configure \
3368 --arm_linux_config_file="$armcc_conf" \
3369 --configure_sysroot="$sysroot" \
3370 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3371 die
"Error creating armcc configuration file."
3372 $_cc --vsn |
grep -q RVCT
&& armcc_opt
=rvct || armcc_opt
=armcc
3373 _flags
="--arm_linux_config_file=$armcc_conf --translate_gcc"
3374 as_default
="${cross_prefix}gcc"
3378 elif $_cc -version 2>/dev
/null |
grep -Eq 'TMS470|TI ARM'; then
3380 _ident
=$
($_cc -version |
head -n1 |
tr -s ' ')
3381 _flags
='--gcc --abi=eabi -me'
3384 _depflags
='-ppa -ppd=$(@:.o=.d)'
3385 _cflags_speed
='-O3 -mf=5'
3386 _cflags_size
='-O3 -mf=2'
3387 _flags_filter
=tms470_flags
3388 elif $_cc -v 2>&1 |
grep -q clang
; then
3390 _ident
=$
($_cc --version |
head -n1)
3391 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3394 elif $_cc -V 2>&1 |
grep -q Sun
; then
3396 _ident
=$
($_cc -V 2>&1 |
head -n1 | cut
-d' ' -f 2-)
3397 _DEPCMD
='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3398 _DEPFLAGS
='-xM1 -xc99'
3401 _cflags_size
='-O5 -xspace'
3402 _flags_filter
=suncc_flags
3403 elif $_cc -v 2>&1 |
grep -q 'PathScale\|Path64'; then
3405 _ident
=$
($_cc -v 2>&1 |
head -n1 |
tr -d :)
3406 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3409 _flags_filter
='filter_out -Wdisabled-optimization'
3410 elif $_cc -v 2>&1 |
grep -q Open64
; then
3412 _ident
=$
($_cc -v 2>&1 |
head -n1 |
tr -d :)
3413 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3416 _flags_filter
='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3417 elif $_cc -V 2>&1 |
grep -q Portland
; then
3419 _ident
="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3420 opt_common
='-alias=ansi -Mdse -Mlre -Mpre'
3421 _cflags_speed
="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3422 _cflags_size
="-O2 -Munroll=c:1 $opt_common"
3424 _flags_filter
=pgi_flags
3425 elif $_cc 2>&1 |
grep -q 'Microsoft.*ARM.*Assembler'; then
3427 _ident
=$
($_cc |
head -n1)
3428 # 4509: "This form of conditional instruction is deprecated"
3429 _flags
="-nologo -ignore 4509"
3430 _flags_filter
=armasm_flags
3431 elif $_cc 2>&1 |
grep -q Microsoft
; then
3433 _ident
=$
($cc 2>&1 |
head -n1)
3434 _DEPCMD
='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3435 _DEPFLAGS
='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3438 if $_cc 2>&1 |
grep -q Linker
; then
3445 _flags_filter
=msvc_flags
3447 _ld_path
='-libpath:'
3449 _cflags
='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3450 if [ $pfx = hostcc
]; then
3451 append _cflags
-Dsnprintf=_snprintf
3454 elif $_cc 2>&1 |
grep -q Intel
; then
3456 _ident
=$
($cc 2>&1 |
head -n1)
3457 _depflags
='-QMMD -QMF$(@:.o=.d) -QMT$@'
3458 # Not only is O3 broken on 13.x+ but it is slower on all previous
3459 # versions (tested) as well.
3461 _cflags_size
="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3462 if $_cc 2>&1 |
grep -q Linker
; then
3469 _flags_filter
=icl_flags
3471 _ld_path
='-libpath:'
3472 # -Qdiag-error to make icl error when seeing certain unknown arguments
3473 _flags
='-nologo -Qdiag-error:4044,10157'
3474 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3475 # with MSVC which enables it by default.
3476 _cflags
='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3477 if [ $pfx = hostcc
]; then
3478 append _cflags
-Dsnprintf=_snprintf
3480 elif $_cc --version 2>/dev
/null |
grep -q ^cparser
; then
3482 _ident
=$
($_cc --version |
head -n1)
3486 _flags_filter
=cparser_flags
3489 eval ${pfx}_type
=\
$_type
3490 eval ${pfx}_ident
=\
$_ident
3494 eval ${1}_C=\${_cc_c-\${${1}_C}}
3495 eval ${1}_E=\${_cc_e-\${${1}_E}}
3496 eval ${1}_O=\${_cc_o-\${${1}_O}}
3498 if [ -n "$_depflags" ]; then
3499 eval ${1}_DEPFLAGS
=\
$_depflags
3501 eval ${1}DEP
=\
${_DEPCMD:-\$DEPCMD}
3502 eval ${1}DEP_FLAGS
=\
${_DEPFLAGS:-\$DEPFLAGS}
3503 eval DEP
${1}FLAGS
=\
$_flags
3508 cflags_filter
=$_flags_filter
3509 cflags_speed
=$_cflags_speed
3510 cflags_size
=$_cflags_size
3511 cflags_noopt
=$_cflags_noopt
3512 add_cflags
$_flags $_cflags
3513 cc_ldflags
=$_ldflags
3516 probe_cc hostcc
"$host_cc"
3517 host_cflags_filter
=$_flags_filter
3518 add_host_cflags
$_flags $_cflags
3521 test -n "$cc_type" && enable $cc_type ||
3522 warn
"Unknown C compiler $cc, unable to select optimal CFLAGS"
3524 : ${as_default:=$cc}
3525 : ${dep_cc_default:=$cc}
3526 : ${ld_default:=$cc}
3527 : ${host_ld_default:=$host_cc}
3528 set_default
ar as dep_cc ld host_ld windres
3531 asflags_filter
=$_flags_filter
3532 add_asflags
$_flags $_cflags
3536 ldflags_filter
=$_flags_filter
3537 add_ldflags
$_flags $_ldflags
3538 test "$cc_type" != "$ld_type" && add_ldflags
$cc_ldflags
3540 LD_LIB
=${_ld_lib-$LD_LIB}
3541 LD_PATH
=${_ld_path-$LD_PATH}
3543 probe_cc hostld
"$host_ld"
3544 host_ldflags_filter
=$_flags_filter
3545 add_host_ldflags
$_flags $_ldflags
3546 HOSTLD_O
=${_ld_o-$HOSTLD_O}
3548 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3549 probe_cc depcc
"$dep_cc"
3550 CCDEP
=${_DEPCMD:-$DEPCMD}
3551 CCDEP_FLAGS
=${_DEPFLAGS:=$DEPFLAGS}
3555 if $ar 2>&1 |
grep -q Microsoft
; then
3558 elif $ar 2>&1 |
grep -q 'Texas Instruments'; then
3561 elif $ar 2>&1 |
grep -q 'Usage: ar.*-X.*any'; then
3562 arflags
='-Xany -r -c'
3569 add_cflags
$extra_cflags
3570 add_cxxflags
$extra_cxxflags
3571 add_asflags
$extra_cflags
3573 if test -n "$sysroot"; then
3576 add_cppflags
--sysroot="$sysroot"
3577 add_ldflags
--sysroot="$sysroot"
3578 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3579 add_cppflags
-isysroot "$sysroot"
3580 add_ldflags
-isysroot "$sysroot"
3583 add_cppflags
-I"$sysinclude"
3584 add_ldflags
--sysroot="$sysroot"
3589 if test "$cpu" = host; then
3590 enabled cross_compile
&&
3591 die
"--cpu=host makes no sense when cross-compiling."
3596 $cc $1=native
-v -c -o $TMPO $TMPC >$TMPE 2>&1 ||
return
3598 s/.*$1=\\([^ ]*\\).*/\\1/
3603 cpu
=$
(check_native
-march || check_native
-mcpu)
3607 test "${cpu:-host}" = host &&
3608 die
"--cpu=host not supported with compiler $cc"
3611 # Deal with common $arch aliases
3625 "Power Macintosh"|ppc
*|powerpc
*)
3640 i
[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64
)
3645 is_in
$arch $ARCH_LIST || warn
"unknown architecture $arch"
3648 # Add processor-specific flags
3649 if enabled aarch64
; then
3653 cpuflags
="-march=$cpu"
3656 cpuflags
="-mcpu=$cpu"
3660 elif enabled alpha
; then
3662 cpuflags
="-mcpu=$cpu"
3664 elif enabled arm
; then
3667 check_cpp_condition stddef.h \
3668 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3673 if check_arm_arch
4; then echo armv4
;
3674 elif check_arm_arch
4T
; then echo armv4t
;
3675 elif check_arm_arch
5; then echo armv5
;
3676 elif check_arm_arch
5E
; then echo armv5e
;
3677 elif check_arm_arch
5T
; then echo armv5t
;
3678 elif check_arm_arch
5TE
; then echo armv5te
;
3679 elif check_arm_arch
5TEJ
; then echo armv5te
;
3680 elif check_arm_arch
6; then echo armv6
;
3681 elif check_arm_arch
6J
; then echo armv6j
;
3682 elif check_arm_arch
6K
; then echo armv6k
;
3683 elif check_arm_arch
6Z
; then echo armv6z
;
3684 elif check_arm_arch
6ZK
; then echo armv6zk
;
3685 elif check_arm_arch
6T2
; then echo armv6t2
;
3686 elif check_arm_arch
7; then echo armv7
;
3687 elif check_arm_arch
7A
7_A
; then echo armv7-a
;
3688 elif check_arm_arch
7R
7_R
; then echo armv7-r
;
3689 elif check_arm_arch
7M
7_M
; then echo armv7-m
;
3690 elif check_arm_arch
7EM
7E_M
; then echo armv7-m
;
3691 elif check_arm_arch
8A
8_A
; then echo armv8-a
;
3695 [ "$cpu" = generic
] && cpu
=$
(probe_arm_arch
)
3699 cpuflags
="-march=$cpu"
3700 subarch
=$
(echo $cpu |
sed 's/[^a-z0-9]//g')
3703 cpuflags
="-mcpu=$cpu"
3705 cortex-a
*) subarch
=armv7a
;;
3706 cortex-r
*) subarch
=armv7r
;;
3707 cortex-m
*) enable thumb
; subarch
=armv7m
;;
3708 arm11
*) subarch
=armv6
;;
3709 arm
[79]*e
*|arm9
[24]6*|arm96
*|arm102
[26]) subarch
=armv5te
;;
3710 armv4
*|arm7
*|arm9
[24]*) subarch
=armv4
;;
3711 *) subarch
=$
(probe_arm_arch
) ;;
3717 armv5t
*) enable fast_clz
;;
3720 disabled fast_unaligned ||
enable fast_unaligned
3724 elif enabled avr32
; then
3729 cpuflags
="-mpart=$cpu"
3733 cpuflags
="-march=$cpu"
3737 cpuflags
="-mcpu=$cpu"
3741 cpuflags
="-march=$cpu"
3745 elif enabled bfin
; then
3747 cpuflags
="-mcpu=$cpu"
3749 elif enabled mips
; then
3751 cpuflags
="-march=$cpu"
3767 24kef
*|
34kf
*|
1004kf
*)
3775 elif enabled ppc
; then
3780 case $
(tolower
$cpu) in
3781 601|ppc601|powerpc601
)
3782 cpuflags
="-mcpu=601"
3785 603*|ppc603
*|powerpc603
*)
3786 cpuflags
="-mcpu=603"
3789 604*|ppc604
*|powerpc604
*)
3790 cpuflags
="-mcpu=604"
3793 g3|
75*|ppc75
*|powerpc75
*)
3794 cpuflags
="-mcpu=750"
3797 g4|
745*|ppc745
*|powerpc745
*)
3798 cpuflags
="-mcpu=7450"
3800 74*|ppc74
*|powerpc74
*)
3801 cpuflags
="-mcpu=7400"
3803 g5|
970|ppc970|powerpc970
)
3804 cpuflags
="-mcpu=970"
3807 cpuflags
="-mcpu=$cpu"
3810 cpuflags
="-mcpu=cell"
3814 cpuflags
="-mcpu=e500mc"
3818 cpuflags
="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3823 cpuflags
="-mcpu=8540 -mhard-float"
3829 elif enabled sparc
; then
3832 cypress|f93
[04]|tsc701|sparcl
*|supersparc|hypersparc|niagara|v
[789])
3833 cpuflags
="-mcpu=$cpu"
3835 ultrasparc
*|niagara
[234])
3836 cpuflags
="-mcpu=$cpu"
3840 elif enabled x86
; then
3844 cpuflags
="-march=$cpu"
3848 # targets that do NOT support nopl and conditional mov (cmov)
3849 pentium-mmx|k6|k6-
[23]|winchip-c6|winchip2|c3
)
3850 cpuflags
="-march=$cpu"
3853 # targets that do support nopl and conditional mov (cmov)
3854 i686|pentiumpro|pentium
[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-
[mx
]p|athlon64
*|k8
*|opteron
*|athlon-fx\
3855 |core
*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b
[dt
]ver
*)
3856 cpuflags
="-march=$cpu"
3860 # targets that do support conditional mov but on which it's slow
3861 pentium4|pentium4m|prescott|nocona
)
3862 cpuflags
="-march=$cpu"
3870 if [ "$cpu" != generic
]; then
3871 add_cflags
$cpuflags
3872 add_asflags
$cpuflags
3875 # compiler sanity check
3877 int main(void){ return 0; }
3879 if test "$?" != 0; then
3880 echo "$cc is unable to create an executable file."
3881 if test -z "$cross_prefix" && ! enabled cross_compile
; then
3882 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3883 echo "Only do this if you know what cross compiling means."
3885 die
"C compiler test failed."
3888 add_cppflags
-D_ISOC99_SOURCE
3889 add_cxxflags
-D__STDC_CONSTANT_MACROS
3890 check_cflags
-std=c99
3891 check_cc
-D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3894 check_cc
-D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3898 add_host_cppflags
-D_ISOC99_SOURCE
3899 check_host_cflags
-std=c99
3900 check_host_cflags
-Wall
3901 check_host_cflags
-O3
3907 check_code cc
"" "int test[2*($expr) - 1]" &&
3908 subarch
=$arch64 || subarch
=$arch32
3916 check_64bit mips mips64
'_MIPS_SIM > 1'
3920 check_64bit parisc parisc64
'sizeof(void *) > 4'
3924 check_64bit ppc ppc64
'sizeof(void *) > 4'
3928 check_64bit s390 s390x
'sizeof(void *) > 4'
3932 check_64bit sparc sparc64
'sizeof(void *) > 4'
3936 check_64bit x86_32 x86_64
'sizeof(void *) > 4'
3937 if test "$subarch" = "x86_64"; then
3942 check_cc
<<EOF && subarch="ppc64"
3943 int test[(int)sizeof(char*) - 7];
3949 enabled spic
&& enable_weak pic
3955 add_cppflags
'-I\$(SRC_PATH)/compat/aix'
3956 enabled shared
&& add_ldflags
-Wl,-brtl
3960 SLIB_INSTALL_NAME
='$(SLIBNAME)'
3962 # soname not set on purpose
3966 prefix_default
="/boot/common"
3967 network_extralibs
="-lnetwork"
3971 SHFLAGS
='-shared -Wl,-h,$$(@F)'
3972 enabled x86
&& SHFLAGS
="-mimpure-text $SHFLAGS"
3973 network_extralibs
="-lsocket -lnsl"
3974 # When using suncc to build, the Solaris linker will mark
3975 # an executable with each instruction set encountered by
3976 # the Solaris assembler. As our libraries contain their own
3977 # guards for processor-specific code, instead suppress
3978 # generation of the HWCAPS ELF section on Solaris x86 only.
3979 enabled_all suncc x86
&&
3980 echo "hwcap_1 = OVERRIDE;" > mapfile
&&
3981 add_ldflags
-Wl,-M,mapfile
3982 nm_default
='nm -P -g'
3986 oss_indev_extralibs
="-lossaudio"
3987 oss_outdev_extralibs
="-lossaudio"
3988 enabled gcc || check_ldflags
-Wl,-zmuldefs
3993 SLIB_INSTALL_NAME
='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3995 oss_indev_extralibs
="-lossaudio"
3996 oss_outdev_extralibs
="-lossaudio"
4004 add_extralibs
-lpoll -lgnugetopt
4008 enabled ppc
&& add_asflags
-force_cpusubtype_ALL
4009 SHFLAGS
='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4010 enabled x86_32
&& append SHFLAGS
-Wl,-read_only_relocs,suppress
4012 add_ldflags
-Wl,-dynamic,-search_paths_first
4014 SLIBNAME_WITH_VERSION
='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4015 SLIBNAME_WITH_MAJOR
='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4017 enabled x86_64
&& objformat
="macho64"
4018 enabled_any pic shared ||
4019 { check_cflags
-mdynamic-no-pic && add_asflags
-mdynamic-no-pic; }
4022 if test $target_os = "mingw32ce"; then
4028 if enabled x86_64
; then
4029 LIBTARGET
="i386:x86-64"
4030 elif enabled arm
; then
4033 enabled shared
&& ! enabled small
&& check_cmd
$windres --version && enable gnu_windres
4034 check_ldflags
-Wl,--nxcompat
4035 check_ldflags
-Wl,--dynamicbase
4036 shlibdir_default
="$bindir_default"
4039 SLIBNAME_WITH_VERSION
='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4040 SLIBNAME_WITH_MAJOR
='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4041 dlltool
="${cross_prefix}dlltool"
4042 if check_cmd lib.exe
-list; then
4043 SLIB_EXTRA_CMD
=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4044 if enabled x86_64
; then
4047 elif check_cmd
$dlltool --version; then
4048 SLIB_EXTRA_CMD
=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4050 SLIB_INSTALL_NAME
='$(SLIBNAME_WITH_MAJOR)'
4052 SLIB_INSTALL_EXTRA_SHLIB
='$(SLIBNAME:$(SLIBSUF)=.lib)'
4053 SLIB_INSTALL_EXTRA_LIB
='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4054 SHFLAGS
='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4061 if enabled shared
; then
4062 # Link to the import library instead of the normal static library
4065 # Cannot build both shared and static libs with MSVC or icl.
4068 shlibdir_default
="$bindir_default"
4071 SLIBNAME_WITH_VERSION
='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4072 SLIBNAME_WITH_MAJOR
='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4073 SLIB_CREATE_DEF_CMD
='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4074 SLIB_INSTALL_NAME
='$(SLIBNAME_WITH_MAJOR)'
4076 SLIB_INSTALL_EXTRA_SHLIB
='$(SLIBNAME:$(SLIBSUF)=.lib)'
4077 SLIB_INSTALL_EXTRA_LIB
='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4078 SHFLAGS
='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4085 shlibdir_default
="$bindir_default"
4088 SLIBNAME_WITH_VERSION
='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4089 SLIBNAME_WITH_MAJOR
='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4090 SLIB_INSTALL_NAME
='$(SLIBNAME_WITH_MAJOR)'
4092 SLIB_INSTALL_EXTRA_LIB
='lib$(FULLNAME).dll.a'
4093 SHFLAGS
='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4096 enabled shared
&& ! enabled small
&& check_cmd
$windres --version && enable gnu_windres
4098 *-dos|freedos|opendos
)
4099 network_extralibs
="-lsocket"
4102 add_cppflags
-U__STRICT_ANSI__
4109 ranlib
="echo ignoring ranlib"
4115 add_cppflags
-D_GNU_SOURCE
4116 add_ldflags
-Zomf -Zbin-files -Zargs-wild -Zmap
4117 SHFLAGS
='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4121 SLIBNAME_WITH_VERSION
='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4122 SLIBNAME_WITH_MAJOR
='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4123 SLIB_CREATE_DEF_CMD
='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4124 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4125 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4126 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4127 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4128 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4129 SLIB_EXTRA_CMD
='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4130 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4131 SLIB_INSTALL_EXTRA_LIB
='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4133 enable_weak os2threads
4136 add_cppflags
-D_BSD_SOURCE
4141 add_cppflags
-D_QNX_SOURCE
4142 network_extralibs
="-lsocket"
4147 add_cflags
--include=$sysinclude/gcce
/gcce.h
-fvisibility=default
4148 add_cppflags
-D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4149 add_ldflags
-Wl,--target1-abs,--no-undefined \
4150 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4151 -Wl,--entry=_E32Startup
-Wl,-u,_E32Startup
4152 add_extralibs
-l:eexe.lib
-l:usrt2_2.lib
-l:dfpaeabi.dso \
4153 -l:drtaeabi.dso
-l:scppnwdl.dso
-lsupc++ -lgcc \
4154 -l:libc.dso
-l:libm.dso
-l:euser.dso
-l:libcrt0.lib
4157 add_cppflags
-D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4162 add_cppflags
-D_C99_SNPRINTF_EXTENSION \
4163 -D_REENTRANT_SOURCE \
4164 -D_RESEARCH_SOURCE \
4167 add_compat strtod.o strtod
=avpriv_strtod
4168 network_extralibs
='-lbsd'
4169 exeobjs
=compat
/plan
9/main.o
4176 die
"Unknown OS '$target_os'."
4180 # determine libc flavour
4185 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4186 if check_
${pfx}cpp_condition features.h
"defined __UCLIBC__"; then
4187 eval ${pfx}libc_type
=uclibc
4188 add_
${pfx}cppflags
-D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4189 elif check_
${pfx}cpp_condition features.h
"defined __GLIBC__"; then
4190 eval ${pfx}libc_type
=glibc
4191 add_
${pfx}cppflags
-D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4192 # MinGW headers can be installed on Cygwin, so check for newlib first.
4193 elif check_
${pfx}cpp_condition newlib.h
"defined _NEWLIB_VERSION"; then
4194 eval ${pfx}libc_type
=newlib
4195 add_
${pfx}cppflags
-U__STRICT_ANSI__
4196 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4197 elif check_
${pfx}cpp_condition _mingw.h
"defined __MINGW64_VERSION_MAJOR"; then
4198 eval ${pfx}libc_type
=mingw64
4199 if check_
${pfx}cpp_condition _mingw.h
"__MINGW64_VERSION_MAJOR < 3"; then
4200 add_compat msvcrt
/snprintf.o
4201 add_cflags
"-include $source_path/compat/msvcrt/snprintf.h"
4203 add_
${pfx}cppflags
-U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4204 eval test \$
${pfx_no_}cc_type
= "gcc" &&
4205 add_
${pfx}cppflags
-D__printf__=__gnu_printf__
4206 elif check_
${pfx}cpp_condition _mingw.h
"defined __MINGW_VERSION" ||
4207 check_
${pfx}cpp_condition _mingw.h
"defined __MINGW32_VERSION"; then
4208 eval ${pfx}libc_type
=mingw32
4209 check_
${pfx}cpp_condition _mingw.h
"__MINGW32_MAJOR_VERSION > 3 || \
4210 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4211 die
"ERROR: MinGW32 runtime version must be >= 3.15."
4212 add_
${pfx}cppflags
-U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4213 eval test \$
${pfx_no_}cc_type
= "gcc" &&
4214 add_
${pfx}cppflags
-D__printf__=__gnu_printf__
4215 elif check_
${pfx}cpp_condition crtversion.h
"defined _VC_CRT_MAJOR_VERSION"; then
4216 eval ${pfx}libc_type
=msvcrt
4217 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4218 # 0x601 by default unless something else is set by the user.
4219 # This can easily lead to us detecting functions only present
4220 # in such new versions and producing binaries requiring windows 7.0.
4221 # Therefore explicitly set the default to XP unless the user has
4222 # set something else on the command line.
4223 check_
${pfx}cpp_condition stdlib.h
"defined(_WIN32_WINNT)" ||
4224 add_
${pfx}cppflags
-D_WIN32_WINNT=0x0502
4225 elif check_
${pfx}cpp_condition stddef.h
"defined __KLIBC__"; then
4226 eval ${pfx}libc_type
=klibc
4227 elif check_
${pfx}cpp_condition sys
/cdefs.h
"defined __BIONIC__"; then
4228 eval ${pfx}libc_type
=bionic
4229 elif check_
${pfx}cpp_condition sys
/brand.h
"defined LABELED_BRAND_NAME"; then
4230 eval ${pfx}libc_type
=solaris
4231 add_
${pfx}cppflags
-D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4236 test -n "$libc_type" && enable libc_
$libc_type
4238 test -n "$host_libc_type" && enable host_libc_
$host_libc_type
4242 add_compat strtod.o strtod
=avpriv_strtod
4245 add_compat strtod.o strtod
=avpriv_strtod
4246 add_compat msvcrt
/snprintf.o snprintf
=avpriv_snprintf \
4247 _snprintf
=avpriv_snprintf \
4248 vsnprintf
=avpriv_vsnprintf
4252 # hacks for compiler/libc/os combinations
4254 if enabled_all tms470 libc_glibc
; then
4255 CPPFLAGS
="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4256 add_cppflags
-D__USER_LABEL_PREFIX__=
4257 add_cppflags
-D__builtin_memset=memset
4258 add_cppflags
-D__gnuc_va_list=va_list
-D_VA_LIST_DEFINED
4259 add_cflags
-pds=48 # incompatible redefinition of macro
4262 if enabled_all ccc libc_glibc
; then
4263 add_ldflags
-Wl,-z,now
# calls to libots crash without this
4266 check_compile_assert flt_lim
"float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4267 add_cppflags
'-I\$(SRC_PATH)/compat/float'
4270 echo "$*" |
sed 's/%/%25/g;s/:/%3a/g'
4273 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4275 check_cpp_condition stdlib.h
"defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4277 set_default
$PATHS_LIST
4280 # we need to build at least one lib type
4281 if ! enabled_any static shared
; then
4283 At least one library type must be built.
4284 Specify --enable-static to build the static libraries or --enable-shared to
4285 build the shared libraries as well. To only build the shared libraries specify
4286 --disable-static in addition to --enable-shared.
4291 die_license_disabled
() {
4292 enabled
$1 ||
{ enabled
$2 && die
"$2 is $1 and --enable-$1 is not specified."; }
4295 die_license_disabled_gpl
() {
4296 enabled
$1 ||
{ enabled
$2 && die
"$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4299 die_license_disabled gpl frei0r
4300 die_license_disabled gpl libcdio
4301 die_license_disabled gpl libsmbclient
4302 die_license_disabled gpl libutvideo
4303 die_license_disabled gpl libvidstab
4304 die_license_disabled gpl libx264
4305 die_license_disabled gpl libx265
4306 die_license_disabled gpl libxavs
4307 die_license_disabled gpl libxvid
4308 die_license_disabled gpl libzvbi
4309 die_license_disabled gpl x11grab
4311 die_license_disabled nonfree libaacplus
4312 die_license_disabled nonfree libfaac
4313 enabled gpl
&& die_license_disabled_gpl nonfree libfdk_aac
4314 enabled gpl
&& die_license_disabled_gpl nonfree openssl
4316 die_license_disabled version3 libopencore_amrnb
4317 die_license_disabled version3 libopencore_amrwb
4318 die_license_disabled version3 libsmbclient
4319 die_license_disabled version3 libvo_aacenc
4320 die_license_disabled version3 libvo_amrwbenc
4322 enabled version3
&& { enabled gpl
&& enable gplv3 ||
enable lgplv3
; }
4324 disabled optimizations || check_cflags
-fomit-frame-pointer
4327 disabled pic
&& return
4330 case "$target_os" in
4340 enabled pic
&& enable_weak_pic
4342 check_cc
<<EOF || die "Symbol mangling check failed."
4345 sym
=$
($nm $TMPO |
awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4346 extern_prefix
=${sym%%ff_extern*}
4348 check_cc
<<EOF && enable_weak inline_asm
4349 void foo(void) { __asm__ volatile ("" ::); }
4353 for restrict_keyword
in restrict __restrict__ __restrict
; do
4354 check_cc
<<EOF && _restrict=$restrict_keyword && break
4355 void foo(char * $restrict_keyword p);
4359 check_cc
<<EOF && enable pragma_deprecated
4360 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4363 check_cc
<<EOF && enable attribute_packed
4364 struct { int x; } __attribute__((packed)) x;
4367 check_cc
<<EOF && enable attribute_may_alias
4368 union { int x; } __attribute__((may_alias)) x;
4371 check_cc
<<EOF || die "endian test failed"
4372 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4374 od -t x1
$TMPO |
grep -q '42 *49 *47 *45' && enable bigendian
4376 if [ "$cpu" = "power7" ] ||
[ "$cpu" = "power8" ] ;then
4377 if ! enabled bigendian
;then
4383 log
"check_gas using '$as' as AS"
4384 # :vararg is used on aarch64, arm and ppc altivec
4385 check_as
<<EOF || return 1
4386 .macro m n, y:vararg=0
4391 # .altmacro is only used in arm asm
4392 ! enabled arm || check_as
<<EOF || return 1
4399 if enabled_any arm aarch64 || enabled_all ppc altivec
&& enabled asm
; then
4401 enabled_any arm aarch64
&& nogas
=die
4402 enabled_all ppc altivec
&& [ $target_os_default != aix
] && nogas
=warn
4406 arm
*) gaspp_as_type
=armasm
; as_noop
=-h ;;
4407 gcc
) gaspp_as_type
=gas
;;
4408 *) gaspp_as_type
=$as_type ;;
4411 [ $target_os = "darwin" ] && gaspp_as_type
="apple-$gaspp_as_type"
4413 test "${as#*gas-preprocessor.pl}" != "$as" ||
4414 check_cmd gas-preprocessor.pl
-arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4415 gas
="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4417 if ! check_gas
; then
4420 $nogas "GNU assembler not found, install/update gas-preprocessor"
4423 check_as
<<EOF && enable as_func
4429 check_inline_asm inline_asm_labels
'"1:\n"'
4431 check_inline_asm inline_asm_nonlocal_labels
'"Label:\n"'
4433 if enabled aarch64
; then
4434 enabled armv8
&& check_insn armv8
'prfm pldl1strm, [x0]'
4435 # internal assembler in clang 3.3 does not support this instruction
4436 enabled neon
&& check_insn neon
'ext v0.8B, v0.8B, v1.8B, #1'
4437 enabled vfp
&& check_insn vfp
'fmadd d0, d0, d1, d2'
4439 map
'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4441 elif enabled alpha
; then
4445 elif enabled arm
; then
4447 check_cpp_condition stddef.h
"defined __thumb__" && check_cc
<<EOF && enable_weak thumb
4448 float func(float a, float b){ return a+b; }
4451 enabled thumb
&& check_cflags
-mthumb || check_cflags
-marm
4453 if check_cpp_condition stddef.h
"defined __ARM_PCS_VFP"; then
4455 elif ! check_cpp_condition stddef.h
"defined __ARM_PCS || defined __SOFTFP__"; then
4456 case "${cross_prefix:-$cc}" in
4457 *hardfloat
*) enable vfp_args
; fpabi
=vfp
;;
4458 *) check_ld
"cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4459 __asm__ (".eabi_attribute 28, 1");
4460 int main(void) { return 0; }
4463 warn
"Compiler does not indicate floating-point ABI, guessing $fpabi."
4466 enabled armv5te
&& check_insn armv5te
'qadd r0, r0, r0'
4467 enabled armv6
&& check_insn armv6
'sadd16 r0, r0, r0'
4468 enabled armv6t2
&& check_insn armv6t2
'movt r0, #0'
4469 enabled neon
&& check_insn neon
'vadd.i16 q0, q0, q0'
4470 enabled vfp
&& check_insn vfp
'fadds s0, s0, s0'
4471 enabled vfpv3
&& check_insn vfpv3
'vmov.f32 s0, #1.0'
4472 enabled setend
&& check_insn setend
'setend be'
4474 [ $target_os = linux
] ||
[ $target_os = android
] ||
4475 map
'enabled_any ${v}_external ${v}_inline || disable $v' \
4478 check_inline_asm asm_mod_q
'"add r0, %Q0, %R0" :: "r"((long long)0)'
4480 check_as
<<EOF && enable as_dn_directive
4485 [ $target_os != win32
] && enabled_all armv6t2 shared
!pic
&& enable_weak_pic
4487 elif enabled mips
; then
4489 check_inline_asm loongson
'"dmult.g $1, $2, $3"'
4490 enabled mips32r2
&& add_cflags
"-mips32r2" && add_asflags
"-mips32r2" &&
4491 check_inline_asm mips32r2
'"rotr $t0, $t1, 1"'
4492 enabled mipsdspr1
&& add_cflags
"-mdsp" && add_asflags
"-mdsp" &&
4493 check_inline_asm mipsdspr1
'"addu.qb $t0, $t1, $t2"'
4494 enabled mipsdspr2
&& add_cflags
"-mdspr2" && add_asflags
"-mdspr2" &&
4495 check_inline_asm mipsdspr2
'"absq_s.qb $t0, $t1"'
4496 enabled mipsfpu
&& add_cflags
"-mhard-float" && add_asflags
"-mhard-float" &&
4497 check_inline_asm mipsfpu
'"madd.d $f0, $f2, $f4, $f6"'
4499 elif enabled parisc
; then
4501 if enabled gcc
; then
4502 case $
($cc -dumpversion) in
4503 4.
[3-8].
*) check_cflags
-fno-optimize-sibling-calls ;;
4507 elif enabled ppc
; then
4509 enable local_aligned_8 local_aligned_16 local_aligned_32
4511 check_inline_asm dcbzl
'"dcbzl 0, %0" :: "r"(0)'
4512 check_inline_asm ibm_asm
'"add 0, 0, 0"'
4513 check_inline_asm ppc4xx
'"maclhw r10, r11, r12"'
4514 check_inline_asm xform_asm
'"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4516 # AltiVec flags: The FSF version of GCC differs from the Apple version
4517 if enabled altivec
; then
4518 check_cflags
-maltivec -mabi=altivec
&&
4519 { check_header altivec.h
&& inc_altivec_h
="#include <altivec.h>" ; } ||
4520 check_cflags
-faltivec
4522 # check if our compiler supports Motorola AltiVec C API
4523 check_cc
<<EOF || disable altivec
4526 vector signed int v1 = (vector signed int) { 0 };
4527 vector signed int v2 = (vector signed int) { 1 };
4528 v1 = vec_add(v1, v2);
4533 enabled altivec || warn
"Altivec disabled, possibly missing --cpu flag"
4536 if enabled vsx
; then
4539 elif enabled x86
; then
4541 check_builtin rdtsc intrin.h
"__rdtsc()"
4542 check_builtin mm_empty mmintrin.h
"_mm_empty()"
4544 enable local_aligned_8 local_aligned_16 local_aligned_32
4546 # check whether EBP is available on x86
4547 # As 'i' is stored on the stack, this program will crash
4548 # if the base pointer is used to access it because the
4549 # base pointer is cleared in the inline assembly code.
4550 check_exec_crash
<<EOF && enable ebp_available
4552 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4556 # check whether EBX is available on x86
4557 check_inline_asm ebx_available
'""::"b"(0)' &&
4558 check_inline_asm ebx_available
'"":::"%ebx"'
4560 # check whether xmm clobbers are supported
4561 check_inline_asm xmm_clobbers
'"":::"%xmm0"'
4563 check_inline_asm inline_asm_direct_symbol_refs
'"movl '$extern_prefix'test, %eax"' ||
4564 check_inline_asm inline_asm_direct_symbol_refs
'"movl '$extern_prefix'test(%rip), %eax"'
4566 # check whether binutils is new enough to compile SSSE3/MMXEXT
4567 enabled ssse3
&& check_inline_asm ssse3_inline
'"pabsw %xmm0, %xmm0"'
4568 enabled mmxext
&& check_inline_asm mmxext_inline
'"pmaxub %mm0, %mm1"'
4570 if ! disabled_any asm mmx yasm
; then
4571 if check_cmd
$yasmexe --version; then
4572 enabled x86_64
&& yasm_extra
="-m amd64"
4573 yasm_debug
="-g dwarf2"
4574 elif check_cmd nasm
-v; then
4576 yasm_debug
="-g -F dwarf"
4577 if enabled x86_64
; then
4578 case "$objformat" in
4579 elf
) objformat
=elf64
;;
4580 win32
) objformat
=win64
;;
4585 YASMFLAGS
="-f $objformat $yasm_extra"
4586 enabled pic
&& append YASMFLAGS
"-DPIC"
4587 test -n "$extern_prefix" && append YASMFLAGS
"-DPREFIX"
4588 case "$objformat" in
4589 elf
*) enabled debug
&& append YASMFLAGS
$yasm_debug ;;
4592 check_yasm
"movbe ecx, [5]" && enable yasm ||
4593 die
"yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4594 check_yasm
"vextracti128 xmm0, ymm0, 0" || disable avx2_external
4595 check_yasm
"vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4596 check_yasm
"vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4597 check_yasm
"CPU amdnop" || disable cpunop
4601 athlon
*|opteron
*|k8
*|pentium|pentium-mmx|prescott|nocona|atom|geode
)
4608 check_code cc arm_neon.h
"int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4610 check_ldflags
-Wl,--as-needed
4611 check_ldflags
-Wl,-z,noexecstack
4613 if check_func dlopen
; then
4615 elif check_func dlopen
-ldl; then
4619 if ! disabled network
; then
4620 check_func getaddrinfo
$network_extralibs
4621 check_func getservbyport
$network_extralibs
4622 check_func inet_aton
$network_extralibs
4624 check_type netdb.h
"struct addrinfo"
4625 check_type netinet
/in.h
"struct group_source_req" -D_BSD_SOURCE
4626 check_type netinet
/in.h
"struct ip_mreq_source" -D_BSD_SOURCE
4627 check_type netinet
/in.h
"struct ipv6_mreq" -D_DARWIN_C_SOURCE
4628 check_type poll.h
"struct pollfd"
4629 check_type netinet
/sctp.h
"struct sctp_event_subscribe"
4630 check_struct
"sys/types.h sys/socket.h" "struct sockaddr" sa_len
4631 check_type netinet
/in.h
"struct sockaddr_in6"
4632 check_type
"sys/types.h sys/socket.h" "struct sockaddr_storage"
4633 check_type
"sys/types.h sys/socket.h" socklen_t
4635 # Prefer arpa/inet.h over winsock2
4636 if check_header arpa
/inet.h
; then
4637 check_func closesocket
4638 elif check_header winsock2.h
; then
4639 check_func_headers winsock2.h closesocket
-lws2 &&
4640 network_extralibs
="-lws2" ||
4641 { check_func_headers winsock2.h closesocket
-lws2_32 &&
4642 network_extralibs
="-lws2_32"; } || disable winsock2_h network
4643 check_func_headers ws2tcpip.h getaddrinfo
$network_extralibs
4645 check_type ws2tcpip.h socklen_t
4646 check_type ws2tcpip.h
"struct addrinfo"
4647 check_type ws2tcpip.h
"struct group_source_req"
4648 check_type ws2tcpip.h
"struct ip_mreq_source"
4649 check_type ws2tcpip.h
"struct ipv6_mreq"
4650 check_type winsock2.h
"struct pollfd"
4651 check_struct winsock2.h
"struct sockaddr" sa_len
4652 check_type ws2tcpip.h
"struct sockaddr_in6"
4653 check_type ws2tcpip.h
"struct sockaddr_storage"
4659 check_builtin atomic_cas_ptr atomic.h
"void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4660 check_builtin machine_rw_barrier mbarrier.h
"__machine_rw_barrier()"
4661 check_builtin MemoryBarrier windows.h
"MemoryBarrier()"
4662 check_builtin sarestart signal.h
"SA_RESTART"
4663 check_builtin sync_val_compare_and_swap
"" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4665 check_func_headers malloc.h _aligned_malloc
&& enable aligned_malloc
4666 check_func
${malloc_prefix}memalign
&& enable memalign
4667 check_func
${malloc_prefix}posix_memalign
&& enable posix_memalign
4670 check_func_headers
time.h clock_gettime ||
{ check_func_headers
time.h clock_gettime
-lrt && add_extralibs
-lrt; }
4673 check_func gethrtime
4675 check_func getrusage
4676 check_func gettimeofday
4678 check_func localtime_r
4679 check_func mach_absolute_time
4683 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4684 check_func_headers
time.h nanosleep ||
{ check_func_headers
time.h nanosleep
-lrt && add_extralibs
-lrt; }
4685 check_func sched_getaffinity
4686 check_func setrlimit
4687 check_struct
"sys/stat.h" "struct stat" st_mtim.tv_nsec
-D_BSD_SOURCE
4688 check_func strerror_r
4693 check_func_headers conio.h kbhit
4694 check_func_headers io.h setmode
4695 check_func_headers lzo
/lzo1x.h lzo1x_999_compress
4696 check_func_headers stdlib.h getenv
4698 check_func_headers windows.h CoTaskMemFree
-lole32
4699 check_func_headers windows.h GetProcessAffinityMask
4700 check_func_headers windows.h GetProcessTimes
4701 check_func_headers windows.h GetSystemTimeAsFileTime
4702 check_func_headers windows.h MapViewOfFile
4703 check_func_headers windows.h PeekNamedPipe
4704 check_func_headers windows.h SetConsoleTextAttribute
4705 check_func_headers windows.h Sleep
4706 check_func_headers windows.h VirtualAlloc
4707 check_func_headers glob.h glob
4709 check_func_headers
"X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute
-lXv -lX11 -lXext
4711 check_header cl
/cl.h
4712 check_header direct.h
4713 check_header dlfcn.h
4715 check_header dxva2api.h
-D_WIN32_WINNT=0x0600
4717 check_header libcrystalhd
/libcrystalhd_if.h
4718 check_header mach
/mach_time.h
4719 check_header malloc.h
4721 check_header sys
/mman.h
4722 check_header sys
/param.h
4723 check_header sys
/resource.h
4724 check_header sys
/select.h
4725 check_header sys
/time.h
4726 check_header sys
/un.h
4727 check_header termios.h
4728 check_header unistd.h
4729 check_header vdpau
/vdpau.h
4730 check_header vdpau
/vdpau_x11.h
4731 check_header VideoDecodeAcceleration
/VDADecoder.h
4732 check_header windows.h
4733 check_header X11
/extensions
/XvMClib.h
4734 check_header asm
/types.h
4736 check_lib2
"windows.h shellapi.h" CommandLineToArgvW
-lshell32
4737 check_lib2
"windows.h wincrypt.h" CryptGenRandom
-ladvapi32
4738 check_lib2
"windows.h psapi.h" GetProcessMemoryInfo
-lpsapi
4740 check_struct
"sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4742 if ! disabled w32threads
&& ! enabled pthreads
; then
4743 check_func_headers
"windows.h process.h" _beginthreadex
&&
4744 enable w32threads || disable w32threads
4747 # check for some common methods of building with pthread support
4748 # do this before the optional library checks as some of them require pthreads
4749 if ! disabled pthreads
&& ! enabled w32threads
&& ! enabled os2threads
; then
4751 if check_func pthread_join
-pthread && check_func pthread_create
-pthread; then
4753 add_extralibs
-pthread
4754 elif check_func pthread_join
-pthreads && check_func pthread_create
-pthreads; then
4755 add_cflags
-pthreads
4756 add_extralibs
-pthreads
4757 elif check_func pthread_join
-ldl -pthread && check_func pthread_create
-ldl -pthread; then
4758 add_cflags
-ldl -pthread
4759 add_extralibs
-ldl -pthread
4760 elif check_func pthread_join
-lpthreadGC2 && check_func pthread_create
-lpthreadGC2; then
4761 add_extralibs
-lpthreadGC2
4762 elif check_lib pthread.h pthread_join
-lpthread && check_lib pthread.h pthread_create
-lpthread; then
4764 elif ! check_func pthread_join
&& ! check_func pthread_create
; then
4767 check_code cc
"pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4771 if enabled pthreads
; then
4772 check_func pthread_cancel
4775 disabled zlib || check_lib zlib.h zlibVersion
-lz || disable zlib
4776 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion
-lbz2 || disable bzlib
4777 disabled lzma || check_lib2 lzma.h lzma_version_number
-llzma || disable lzma
4779 check_lib math.h sin
-lm && LIBM
="-lm"
4780 disabled crystalhd || check_lib libcrystalhd
/libcrystalhd_if.h DtsCrystalHDVersion
-lcrystalhd || disable crystalhd
4787 for func
in $MATH_FUNCS; do
4788 eval check_mathfunc
$func \
${${func}_args
:-1}
4791 # these are off by default, so fail if requested and not available
4792 enabled avfoundation_indev
&& { check_header_oc AVFoundation
/AVFoundation.h || disable avfoundation_indev
; }
4793 enabled avisynth
&& { { check_lib2
"windows.h" LoadLibrary
; } ||
4794 { check_lib2
"dlfcn.h" dlopen
-ldl; } ||
4795 die
"ERROR: LoadLibrary/dlopen not found for avisynth"; }
4796 enabled decklink
&& { check_header DeckLinkAPI.h || die
"ERROR: DeckLinkAPI.h header not found"; }
4797 enabled frei0r
&& { check_header frei0r.h || die
"ERROR: frei0r.h header not found"; }
4798 enabled gnutls
&& require_pkg_config gnutls gnutls
/gnutls.h gnutls_global_init
4799 enabled ladspa
&& { check_header ladspa.h || die
"ERROR: ladspa.h header not found"; }
4800 enabled libiec61883
&& require libiec61883 libiec61883
/iec61883.h iec61883_cmp_connect
-lraw1394 -lavc1394 -lrom1394 -liec61883
4801 enabled libaacplus
&& require
"libaacplus >= 2.0.0" aacplus.h aacplusEncOpen
-laacplus
4802 enabled libass
&& require_pkg_config libass ass
/ass.h ass_library_init
4803 enabled libbluray
&& require_pkg_config libbluray libbluray
/bluray.h bd_open
4804 enabled libbs2b
&& require_pkg_config libbs2b bs2b.h bs2b_open
4805 enabled libcelt
&& require libcelt celt
/celt.h celt_decode
-lcelt0 &&
4806 { check_lib celt
/celt.h celt_decoder_create_custom
-lcelt0 ||
4807 die
"ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4808 enabled libcaca
&& require_pkg_config caca caca.h caca_create_canvas
4809 enabled libfaac
&& require2 libfaac
"stdint.h faac.h" faacEncGetVersion
-lfaac
4810 enabled libfdk_aac
&& require libfdk_aac fdk-aac
/aacenc_lib.h aacEncOpen
-lfdk-aac
4811 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"
4812 enabled libflite
&& require2 libflite
"flite/flite.h" flite_init
$flite_libs
4813 enabled fontconfig
&& enable libfontconfig
4814 enabled libfontconfig
&& require_pkg_config fontconfig
"fontconfig/fontconfig.h" FcInit
4815 enabled libfreetype
&& require_libfreetype
4816 enabled libfribidi
&& require_pkg_config fribidi fribidi.h fribidi_version_info
4817 enabled libgme
&& require libgme gme
/gme.h gme_new_emu
-lgme -lstdc++
4818 enabled libgsm
&& { for gsm_hdr
in "gsm.h" "gsm/gsm.h"; do
4819 check_lib
"${gsm_hdr}" gsm_create
-lgsm && break;
4820 done || die
"ERROR: libgsm not found"; }
4821 enabled libilbc
&& require libilbc ilbc.h WebRtcIlbcfix_InitDecode
-lilbc
4822 enabled libmodplug
&& require_pkg_config libmodplug libmodplug
/modplug.h ModPlug_Load
4823 enabled libmp3lame
&& require
"libmp3lame >= 3.98.3" lame
/lame.h lame_set_VBR_quality
-lmp3lame
4824 enabled libnut
&& require libnut libnut.h nut_demuxer_init
-lnut
4825 enabled libopencore_amrnb
&& require libopencore_amrnb opencore-amrnb
/interf_dec.h Decoder_Interface_init
-lopencore-amrnb
4826 enabled libopencore_amrwb
&& require libopencore_amrwb opencore-amrwb
/dec_if.h D_IF_init
-lopencore-amrwb
4827 enabled libopencv
&& require_pkg_config opencv opencv
/cxcore.h cvCreateImageHeader
4828 enabled libopenjpeg
&& { check_lib openjpeg-1.5
/openjpeg.h opj_version
-lopenjpeg -DOPJ_STATIC ||
4829 check_lib openjpeg.h opj_version
-lopenjpeg -DOPJ_STATIC ||
4830 die
"ERROR: libopenjpeg not found"; }
4831 enabled libopus
&& require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4832 enabled libpulse
&& require_pkg_config libpulse pulse
/pulseaudio.h pa_context_new
4833 enabled libquvi
&& require_pkg_config libquvi quvi
/quvi.h quvi_init
4834 enabled librtmp
&& require_pkg_config librtmp librtmp
/rtmp.h RTMP_Socket
4835 enabled libschroedinger
&& require_pkg_config schroedinger-1.0 schroedinger
/schro.h schro_init
4836 enabled libshine
&& require_pkg_config shine shine
/layer3.h shine_encode_buffer
4837 enabled libsmbclient
&& { { check_pkg_config smbclient libsmbclient.h smbc_init
&&
4838 require_pkg_config smbclient libsmbclient.h smbc_init
; } ||
4839 require smbclient libsmbclient.h smbc_init
-lsmbclient; }
4840 enabled libsoxr
&& require libsoxr soxr.h soxr_create
-lsoxr
4841 enabled libssh
&& require_pkg_config libssh libssh
/sftp.h sftp_init
4842 enabled libspeex
&& require_pkg_config speex speex
/speex.h speex_decoder_init
-lspeex
4843 enabled libstagefright_h264
&& require_cpp libstagefright_h264
"binder/ProcessState.h media/stagefright/MetaData.h
4844 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4845 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android
::OMXClient
-lstagefright -lmedia -lutils -lbinder -lgnustl_static
4846 enabled libtheora
&& require libtheora theora
/theoraenc.h th_info_init
-ltheoraenc -ltheoradec -logg
4847 enabled libtwolame
&& require libtwolame twolame.h twolame_init
-ltwolame &&
4848 { check_lib twolame.h twolame_encode_buffer_float32_interleaved
-ltwolame ||
4849 die
"ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4850 enabled libutvideo
&& require_cpp utvideo
"stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4851 enabled libv4l2
&& require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4852 enabled libvidstab
&& require_pkg_config
"vidstab >= 0.98" vid.stab
/libvidstab.h vsMotionDetectInit
4853 enabled libvo_aacenc
&& require libvo_aacenc vo-aacenc
/voAAC.h voGetAACEncAPI
-lvo-aacenc
4854 enabled libvo_amrwbenc
&& require libvo_amrwbenc vo-amrwbenc
/enc_if.h E_IF_init
-lvo-amrwbenc
4855 enabled libvorbis
&& require libvorbis vorbis
/vorbisenc.h vorbis_info_init
-lvorbisenc -lvorbis -logg
4857 enabled libvpx_vp8_decoder
&& { check_lib2
"vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver
-lvpx ||
4858 die
"ERROR: libvpx decoder version must be >=0.9.1"; }
4859 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 ||
4860 die
"ERROR: libvpx encoder version must be >=0.9.7"; }
4861 enabled libvpx_vp9_decoder
&& { check_lib2
"vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder
; }
4862 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
; } }
4863 enabled libwavpack
&& require libwavpack wavpack
/wavpack.h WavpackOpenFileOutput
-lwavpack
4864 enabled libwebp
&& require_pkg_config libwebp webp
/encode.h WebPGetEncoderVersion
&&
4865 { check_code cc webp
/encode.h
"WebPPicture wp; wp.use_argb++" ||
4866 die
"ERROR: libwebp too old."; }
4867 enabled libx264
&& require libx264 x264.h x264_encoder_encode
-lx264 &&
4868 { check_cpp_condition x264.h
"X264_BUILD >= 118" ||
4869 die
"ERROR: libx264 must be installed and version must be >= 0.118."; }
4870 enabled libx265
&& require_pkg_config x265 x265.h x265_encoder_encode
&&
4871 { check_cpp_condition x265.h
"X265_BUILD >= 17" ||
4872 die
"ERROR: libx265 version must be >= 17."; }
4873 enabled libxavs
&& require libxavs xavs.h xavs_encoder_encode
-lxavs
4874 enabled libxvid
&& require libxvid xvid.h xvid_global
-lxvidcore
4875 enabled libzmq
&& require_pkg_config libzmq zmq.h zmq_ctx_new
4876 enabled libzvbi
&& require libzvbi libzvbi.h vbi_decoder_new
-lzvbi
4877 enabled openal
&& { { for al_libs
in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4878 check_lib
'AL/al.h' alGetError
"${al_libs}" && break; done } ||
4879 die
"ERROR: openal not found"; } &&
4880 { check_cpp_condition
"AL/al.h" "defined(AL_VERSION_1_1)" ||
4881 die
"ERROR: openal must be installed and version must be 1.1 or compatible"; }
4882 enabled opencl
&& { check_lib2 OpenCL
/cl.h clEnqueueNDRangeKernel
-Wl,-framework,OpenCL ||
4883 check_lib2 CL
/cl.h clEnqueueNDRangeKernel
-lOpenCL ||
4884 die
"ERROR: opencl not found"; } &&
4885 { check_cpp_condition
"OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4886 check_cpp_condition
"CL/cl.h" "defined(CL_VERSION_1_2)" ||
4887 die
"ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4888 enabled opengl
&& { check_lib GL
/glx.h glXGetProcAddress
"-lGL" ||
4889 check_lib2 windows.h wglGetProcAddress
"-lopengl32 -lgdi32" ||
4890 check_lib2 OpenGL
/gl3.h glGetError
"-Wl,-framework,OpenGL" ||
4891 check_lib2 ES
2/gl.h glGetError
"-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4892 die
"ERROR: opengl not found."
4894 enabled openssl
&& { check_lib openssl
/ssl.h SSL_library_init
-lssl -lcrypto ||
4895 check_lib openssl
/ssl.h SSL_library_init
-lssl32 -leay32 ||
4896 check_lib openssl
/ssl.h SSL_library_init
-lssl -lcrypto -lws2_32 -lgdi32 ||
4897 die
"ERROR: openssl not found"; }
4898 enabled qtkit_indev
&& { check_header_oc QTKit
/QTKit.h || disable qtkit_indev
; }
4900 if enabled gnutls
; then
4901 { check_lib nettle
/bignum.h nettle_mpz_get_str_256
-lnettle -lhogweed -lgmp && enable nettle
; } ||
4902 { check_lib gcrypt.h gcry_mpi_new
-lgcrypt && enable gcrypt
; }
4906 if enabled libdc1394
; then
4907 { check_lib dc1394
/dc1394.h dc1394_new
-ldc1394 -lraw1394 &&
4908 enable libdc1394_2
; } ||
4909 { check_lib libdc1394
/dc1394_control.h dc1394_create_handle
-ldc1394_control -lraw1394 &&
4910 enable libdc1394_1
; } ||
4911 die
"ERROR: No version of libdc1394 found "
4914 SDL_CONFIG
="${cross_prefix}sdl-config"
4915 if check_pkg_config sdl SDL_events.h SDL_PollEvent
; then
4916 check_cpp_condition SDL.h
"(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4917 check_cpp_condition SDL.h
"(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4920 if "${SDL_CONFIG}" --version > /dev
/null
2>&1; then
4921 sdl_cflags
=$
("${SDL_CONFIG}" --cflags)
4922 sdl_libs
=$
("${SDL_CONFIG}" --libs)
4923 check_func_headers SDL_version.h SDL_Linked_Version
$sdl_cflags $sdl_libs &&
4924 check_cpp_condition SDL.h
"(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4925 check_cpp_condition SDL.h
"(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4929 enabled sdl
&& add_cflags
$sdl_cflags && add_extralibs
$sdl_libs
4931 makeinfo
--version > /dev
/null
2>&1 && enable makeinfo || disable makeinfo
4932 enabled makeinfo
&& (makeinfo
--version | \
4933 grep -q 'makeinfo (GNU texinfo) 5' > /dev
/null
2>&1) \
4934 && enable makeinfo_html || disable makeinfo_html
4935 disabled makeinfo_html
&& texi2html
--help 2> /dev
/null |
grep -q 'init-file' && enable texi2html || disable texi2html
4936 perl
-v > /dev
/null
2>&1 && enable perl || disable perl
4937 pod2man
--help > /dev
/null
2>&1 && enable pod2man || disable pod2man
4938 rsync
--help 2> /dev
/null |
grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4940 check_header linux
/fb.h
4941 check_header linux
/videodev.h
4942 check_header linux
/videodev2.h
4943 check_code cc linux
/videodev2.h
"struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4945 check_header sys
/videoio.h
4947 check_func_headers
"windows.h vfw.h" capCreateCaptureWindow
"$vfwcap_indev_extralibs"
4948 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4949 # w32api 3.12 had it defined wrong
4950 check_cpp_condition vfw.h
"WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4952 check_type
"dshow.h" IBaseFilter
4954 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4955 { check_header dev
/bktr
/ioctl_meteor.h
&&
4956 check_header dev
/bktr
/ioctl_bt848.h
; } ||
4957 { check_header machine
/ioctl_meteor.h
&&
4958 check_header machine
/ioctl_bt848.h
; } ||
4959 { check_header dev
/video
/meteor
/ioctl_meteor.h
&&
4960 check_header dev
/video
/bktr
/ioctl_bt848.h
; } ||
4961 check_header dev
/ic
/bt8xx.h
4963 check_header sndio.h
4964 if check_struct sys
/soundcard.h audio_buf_info bytes
; then
4965 enable_safe sys
/soundcard.h
4967 check_cc
-D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4968 #include <sys/soundcard.h>
4972 check_header soundcard.h
4974 enabled_any alsa_indev alsa_outdev
&&
4975 check_lib2 alsa
/asoundlib.h snd_pcm_htimestamp
-lasound
4977 enabled jack_indev
&& check_lib2 jack
/jack.h jack_client_open
-ljack && check_func sem_timedwait
&&
4978 check_func jack_port_get_latency_range
-ljack
4980 enabled_any sndio_indev sndio_outdev
&& check_lib2 sndio.h sio_open
-lsndio
4982 if enabled libcdio
; then
4983 check_lib2
"cdio/cdda.h cdio/paranoia.h" cdio_cddap_open
-lcdio_paranoia -lcdio_cdda -lcdio ||
4984 check_lib2
"cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open
-lcdio_paranoia -lcdio_cdda -lcdio ||
4985 die
"ERROR: libcdio-paranoia not found"
4989 check_lib X11
/Xlib.h XOpenDisplay
-lX11 || disable xlib
4992 require Xext X11
/extensions
/XShm.h XShmCreateImage
-lXext &&
4993 require Xfixes X11
/extensions
/Xfixes.h XFixesGetCursorImage
-lXfixes &&
4994 { enabled xlib || die
"ERROR: Xlib not found"; }
4996 check_func_headers
"windows.h" CreateDIBSection
"$gdigrab_indev_extralibs"
4998 enabled dxva2api_h
&&
4999 check_cc
<<EOF && enable dxva2api_cobj
5000 #define _WIN32_WINNT 0x0600
5002 #include <windows.h>
5004 #include <dxva2api.h>
5005 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5009 check_lib va
/va.h vaInitialize
-lva ||
5013 check_cpp_condition vdpau
/vdpau.h
"defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5016 enabled vdpau
&& enabled xlib
&&
5017 check_func_headers
"vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11
-lvdpau &&
5018 prepend ffmpeg_libs $
($ldflags_filter "-lvdpau") &&
5021 # Funny iconv installations are not unusual, so check it after all flags have been set
5022 disabled
iconv || check_func_headers
iconv.h
iconv || check_lib2
iconv.h
iconv -liconv || disable
iconv
5024 enabled debug
&& add_cflags
-g"$debuglevel" && add_asflags
-g"$debuglevel"
5026 # add some useful compiler flags if supported
5027 check_cflags
-Wdeclaration-after-statement
5029 check_cflags
-Wdisabled-optimization
5030 check_cflags
-Wpointer-arith
5031 check_cflags
-Wredundant-decls
5032 check_cflags
-Wwrite-strings
5033 check_cflags
-Wtype-limits
5034 check_cflags
-Wundef
5035 check_cflags
-Wmissing-prototypes
5036 check_cflags
-Wno-pointer-to-int-cast
5037 check_cflags
-Wstrict-prototypes
5038 check_cflags
-Wempty-body
5039 enabled extra_warnings
&& check_cflags
-Winline
5041 check_disable_warning
(){
5042 warning_flag
=-W${1#-Wno-}
5043 test_cflags
$warning_flag && add_cflags
$1
5046 check_disable_warning
-Wno-parentheses
5047 check_disable_warning
-Wno-switch
5048 check_disable_warning
-Wno-format-zero-length
5049 check_disable_warning
-Wno-pointer-sign
5051 # add some linker flags
5052 check_ldflags
-Wl,--warn-common
5053 check_ldflags
-Wl,-rpath-link=libpostproc
:libswresample
:libswscale
:libavfilter
:libavdevice
:libavformat
:libavcodec
:libavutil
:libavresample
5054 enabled rpath
&& add_ldexeflags
-Wl,-rpath,$libdir
5055 test_ldflags
-Wl,-Bsymbolic && append SHFLAGS
-Wl,-Bsymbolic
5057 # add some strip flags
5058 # -wN '..@*' is more selective than -x, but not available everywhere.
5059 check_stripflags
-wN \'..@
*\' || check_stripflags
-x
5061 enabled neon_clobber_test
&&
5062 check_ldflags
-Wl,--wrap,avcodec_open2 \
5063 -Wl,--wrap,avcodec_decode_audio4 \
5064 -Wl,--wrap,avcodec_decode_video2 \
5065 -Wl,--wrap,avcodec_decode_subtitle2 \
5066 -Wl,--wrap,avcodec_encode_audio2 \
5067 -Wl,--wrap,avcodec_encode_video2 \
5068 -Wl,--wrap,avcodec_encode_subtitle \
5069 -Wl,--wrap,swr_convert \
5070 -Wl,--wrap,avresample_convert ||
5071 disable neon_clobber_test
5073 enabled xmm_clobber_test
&&
5074 check_ldflags
-Wl,--wrap,avcodec_open2 \
5075 -Wl,--wrap,avcodec_decode_audio4 \
5076 -Wl,--wrap,avcodec_decode_video2 \
5077 -Wl,--wrap,avcodec_decode_subtitle2 \
5078 -Wl,--wrap,avcodec_encode_audio2 \
5079 -Wl,--wrap,avcodec_encode_video \
5080 -Wl,--wrap,avcodec_encode_video2 \
5081 -Wl,--wrap,avcodec_encode_subtitle \
5082 -Wl,--wrap,swr_convert \
5083 -Wl,--wrap,avresample_convert \
5084 -Wl,--wrap,sws_scale ||
5085 disable xmm_clobber_test
5088 if test_ldflags
-Wl,--version-script,$TMPV; then
5089 append SHFLAGS
'-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5090 check_cc
<<EOF && enable symver_asm_label
5091 void ff_foo(void) __asm__ ("av_foo@VERSION");
5092 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5094 check_cc
<<EOF && enable symver_gnu_asm
5095 __asm__(".symver ff_foo,av_foo@VERSION");
5096 void ff_foo(void) {}
5100 if [ -z "$optflags" ]; then
5101 if enabled small
; then
5102 optflags
=$cflags_size
5103 elif enabled optimizations
; then
5104 optflags
=$cflags_speed
5106 optflags
=$cflags_noopt
5112 enabled lto
&& check_ldflags
"$@"
5116 if enabled lto
; then
5117 test "$cc_type" != "$ld_type" && die
"LTO requires same compiler and linker"
5119 check_ldflags
-flto $cpuflags
5120 disable inline_asm_direct_symbol_refs
5123 check_optflags
$optflags
5124 check_optflags
-fno-math-errno
5125 check_optflags
-fno-signed-zeros
5127 enabled ftrapv
&& check_cflags
-ftrapv
5129 check_cc
-mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5134 if enabled icc
; then
5135 # Just warnings, no remarks
5137 # -wd: Disable following warnings
5138 # 144, 167, 556: -Wno-pointer-sign
5139 # 188: enumerated type mixed with another type
5140 # 1292: attribute "foo" ignored
5141 # 1419: external declaration in primary source file
5142 # 10006: ignoring unknown option -fno-signed-zeros
5143 # 10148: ignoring unknown option -Wno-parentheses
5144 # 10156: ignoring option '-W'; no argument required
5145 check_cflags
-wd144,167,188,556,1292,1419,10006,10148,10156
5146 # 11030: Warning unknown option --as-needed
5147 # 10156: ignoring option '-export'; no argument required
5148 check_ldflags
-wd10156,11030
5149 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5150 enable ebp_available
5151 # The test above does not test linking
5152 enabled lto
&& disable symver_asm_label
5153 if enabled x86_32
; then
5154 icc_version
=$
($cc -dumpversion)
5155 test ${icc_version%%.*} -ge 11 &&
5156 check_cflags
-falign-stack=maintain-16-byte ||
5157 disable aligned_stack
5159 elif enabled ccc
; then
5160 # disable some annoying warnings
5161 add_cflags
-msg_disable bitnotint
5162 add_cflags
-msg_disable mixfuncvoid
5163 add_cflags
-msg_disable nonstandcast
5164 add_cflags
-msg_disable unsupieee
5165 elif enabled gcc
; then
5166 check_optflags
-fno-tree-vectorize
5167 check_cflags
-Werror=format-security
5168 check_cflags
-Werror=implicit-function-declaration
5169 check_cflags
-Werror=missing-prototypes
5170 check_cflags
-Werror=return-type
5171 check_cflags
-Werror=vla
5172 check_cflags
-Wformat
5173 enabled extra_warnings || check_disable_warning
-Wno-maybe-uninitialized
5174 elif enabled llvm_gcc
; then
5175 check_cflags
-mllvm -stack-alignment=16
5176 elif enabled clang
; then
5177 check_cflags
-mllvm -stack-alignment=16
5178 check_cflags
-Qunused-arguments
5179 check_cflags
-Werror=implicit-function-declaration
5180 check_cflags
-Werror=missing-prototypes
5181 check_cflags
-Werror=return-type
5182 elif enabled cparser
; then
5183 add_cflags
-Wno-missing-variable-declarations
5184 add_cflags
-Wno-empty-statement
5185 elif enabled armcc
; then
5186 add_cflags
-W${armcc_opt},--diag_suppress=4343 # hardfp compat
5187 add_cflags
-W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5188 # 2523: use of inline assembly is deprecated
5189 add_cflags
-W${armcc_opt},--diag_suppress=2523
5190 add_cflags
-W${armcc_opt},--diag_suppress=1207
5191 add_cflags
-W${armcc_opt},--diag_suppress=1293 # assignment in condition
5192 add_cflags
-W${armcc_opt},--diag_suppress=3343 # hardfp compat
5193 add_cflags
-W${armcc_opt},--diag_suppress=167 # pointer sign
5194 add_cflags
-W${armcc_opt},--diag_suppress=513 # pointer sign
5195 elif enabled tms470
; then
5196 add_cflags
-pds=824 -pds=837
5198 elif enabled pathscale
; then
5199 add_cflags
-fstrict-overflow -OPT:wrap_around_unsafe_opt
=OFF
5200 elif enabled_any msvc icl
; then
5201 enabled x86_32
&& disable aligned_stack
5202 enabled_all x86_32 debug
&& add_cflags
-Oy-
5203 enabled debug
&& add_ldflags
-debug
5204 enable pragma_deprecated
5205 if enabled icl
; then
5206 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5207 # (correctly) on icl 13.x.
5208 check_cpp_condition
"windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5209 add_cflags
-Qansi-alias
5210 # Some inline asm is not compilable in debug
5211 if enabled debug
; then
5212 disable ebp_available
5213 disable ebx_available
5216 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5217 check_cpp_condition crtversion.h
"_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5222 add_asflags
-Qunused-arguments
5228 check_ldflags
-Qunused-arguments
5234 enabled ccc
&& add_ldflags
'-Wl,-expect_unresolved,*'
5237 add_cppflags
-Dmain=plan9_main
5241 enable frame_thread_encoder
5243 enabled asm ||
{ arch
=c
; disable
$ARCH_LIST $ARCH_EXT_LIST; }
5245 check_deps
$CONFIG_LIST \
5250 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"
5253 if test $target_os = "haiku"; then
5255 disable posix_memalign
5258 enabled_all dxva2 dxva2api_cobj CoTaskMemFree
&&
5259 prepend ffmpeg_libs $
($ldflags_filter "-lole32") &&
5262 ! enabled_any memalign posix_memalign aligned_malloc
&&
5263 enabled simd_align_16
&& enable memalign_hack
5266 # -> enable ${lib}_deps_${dep}
5267 # -> add $dep to ${lib}_deps only once
5271 enabled
"${lib}_deps_${dep}" && return 0
5272 enable "${lib}_deps_${dep}"
5273 prepend
"${lib}_deps" $dep
5276 # merge deps lib components
5277 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5282 enabled
$comp ||
continue
5283 eval "dep=\"\$${comp}_deps\""
5290 merge_deps libavfilter
$FILTER_LIST
5292 map
'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5294 for thread
in $THREADS_LIST; do
5295 if enabled
$thread; then
5296 test -n "$thread_type" &&
5297 die
"ERROR: Only one thread type must be selected." ||
5298 thread_type
="$thread"
5302 enabled zlib
&& add_cppflags
-DZLIB_CONST
5304 # conditional library dependencies, in linking order
5305 enabled aconvert_filter
&& prepend avfilter_deps
"swresample"
5306 enabled amovie_filter
&& prepend avfilter_deps
"avformat avcodec"
5307 enabled aresample_filter
&& prepend avfilter_deps
"swresample"
5308 enabled asyncts_filter
&& prepend avfilter_deps
"avresample"
5309 enabled atempo_filter
&& prepend avfilter_deps
"avcodec"
5310 enabled ebur128_filter
&& enabled swresample
&& prepend avfilter_deps
"swresample"
5311 enabled elbg_filter
&& prepend avfilter_deps
"avcodec"
5312 enabled mcdeint_filter
&& prepend avfilter_deps
"avcodec"
5313 enabled movie_filter
&& prepend avfilter_deps
"avformat avcodec"
5314 enabled mp_filter
&& prepend avfilter_deps
"avcodec"
5315 enabled pan_filter
&& prepend avfilter_deps
"swresample"
5316 enabled pp_filter
&& prepend avfilter_deps
"postproc"
5317 enabled removelogo_filter
&& prepend avfilter_deps
"avformat avcodec swscale"
5318 enabled resample_filter
&& prepend avfilter_deps
"avresample"
5319 enabled sab_filter
&& prepend avfilter_deps
"swscale"
5320 enabled scale_filter
&& prepend avfilter_deps
"swscale"
5321 enabled showspectrum_filter
&& prepend avfilter_deps
"avcodec"
5322 enabled smartblur_filter
&& prepend avfilter_deps
"swscale"
5323 enabled subtitles_filter
&& prepend avfilter_deps
"avformat avcodec"
5325 enabled lavfi_indev
&& prepend avdevice_deps
"avfilter"
5327 enabled opus_decoder
&& prepend avcodec_deps
"swresample"
5331 eval "deps=\$$lib_deps"
5332 append
$lib_deps $
(map
'eval echo \$${v}_deps' $deps)
5336 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5337 postproc_deps
="$(filter_out 'gpl' $postproc_deps)"
5339 map
'expand_deps $v' $LIBRARY_LIST
5341 echo "install prefix $prefix"
5342 echo "source path $source_path"
5343 echo "C compiler $cc"
5344 echo "C library $libc_type"
5345 if test "$host_cc" != "$cc"; then
5346 echo "host C compiler $host_cc"
5347 echo "host C library $host_libc_type"
5349 echo "ARCH $arch ($cpu)"
5350 if test "$build_suffix" != ""; then
5351 echo "build suffix $build_suffix"
5353 if test "$progs_suffix" != ""; then
5354 echo "progs suffix $progs_suffix"
5356 if test "$extra_version" != ""; then
5357 echo "version string suffix $extra_version"
5359 echo "big-endian ${bigendian-no}"
5360 echo "runtime cpu detection ${runtime_cpudetect-no}"
5361 if enabled x86
; then
5362 echo "${yasmexe} ${yasm-no}"
5363 echo "MMX enabled ${mmx-no}"
5364 echo "MMXEXT enabled ${mmxext-no}"
5365 echo "3DNow! enabled ${amd3dnow-no}"
5366 echo "3DNow! extended enabled ${amd3dnowext-no}"
5367 echo "SSE enabled ${sse-no}"
5368 echo "SSSE3 enabled ${ssse3-no}"
5369 echo "AVX enabled ${avx-no}"
5370 echo "XOP enabled ${xop-no}"
5371 echo "FMA3 enabled ${fma3-no}"
5372 echo "FMA4 enabled ${fma4-no}"
5373 echo "i686 features enabled ${i686-no}"
5374 echo "CMOV is fast ${fast_cmov-no}"
5375 echo "EBX available ${ebx_available-no}"
5376 echo "EBP available ${ebp_available-no}"
5378 if enabled aarch64
; then
5379 echo "NEON enabled ${neon-no}"
5380 echo "VFP enabled ${vfp-no}"
5382 if enabled arm
; then
5383 echo "ARMv5TE enabled ${armv5te-no}"
5384 echo "ARMv6 enabled ${armv6-no}"
5385 echo "ARMv6T2 enabled ${armv6t2-no}"
5386 echo "VFP enabled ${vfp-no}"
5387 echo "NEON enabled ${neon-no}"
5388 echo "THUMB enabled ${thumb-no}"
5390 if enabled mips
; then
5391 echo "MIPS FPU enabled ${mipsfpu-no}"
5392 echo "MIPS32R2 enabled ${mips32r2-no}"
5393 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5394 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5396 if enabled ppc
; then
5397 echo "AltiVec enabled ${altivec-no}"
5398 echo "PPC 4xx optimizations ${ppc4xx-no}"
5399 echo "PPC VSX optimizations ${vsx-no}"
5400 echo "dcbzl available ${dcbzl-no}"
5402 echo "debug symbols ${debug-no}"
5403 echo "strip symbols ${stripping-no}"
5404 echo "optimize for size ${small-no}"
5405 echo "optimizations ${optimizations-no}"
5406 echo "static ${static-no}"
5407 echo "shared ${shared-no}"
5408 echo "postprocessing support ${postproc-no}"
5409 echo "new filter support ${avfilter-no}"
5410 echo "network support ${network-no}"
5411 echo "threading support ${thread_type-no}"
5412 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5413 echo "SDL support ${sdl-no}"
5414 echo "opencl enabled ${opencl-no}"
5415 echo "texi2html enabled ${texi2html-no}"
5416 echo "perl enabled ${perl-no}"
5417 echo "pod2man enabled ${pod2man-no}"
5418 echo "makeinfo enabled ${makeinfo-no}"
5419 echo "makeinfo supports HTML ${makeinfo_html-no}"
5420 test -n "$random_seed" &&
5421 echo "random seed ${random_seed}"
5424 echo "External libraries:"
5425 print_enabled
'' $EXTERNAL_LIBRARY_LIST | print_3_columns
5428 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev
; do
5429 echo "Enabled ${type}s:"
5430 eval list
=\$$
(toupper
$type)_LIST
5431 print_enabled
'_*' $list | print_3_columns
5435 license
="LGPL version 2.1 or later"
5436 if enabled nonfree
; then
5437 license
="nonfree and unredistributable"
5438 elif enabled gplv3
; then
5439 license
="GPL version 3 or later"
5440 elif enabled lgplv3
; then
5441 license
="LGPL version 3 or later"
5442 elif enabled gpl
; then
5443 license
="GPL version 2 or later"
5446 echo "License: $license"
5448 echo "Creating config.mak, config.h, and doc/config.texi..."
5450 test -e Makefile ||
echo "include $source_path/Makefile" > Makefile
5452 enabled stripping || strip
="echo skipping strip"
5454 config_files
="$TMPH config.mak doc/config.texi"
5456 cat > config.mak
<<EOF
5457 # Automatically generated by configure - do not modify!
5458 ifndef FFMPEG_CONFIG_MAK
5460 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5462 LIBDIR=\$(DESTDIR)$libdir
5463 SHLIBDIR=\$(DESTDIR)$shlibdir
5464 INCDIR=\$(DESTDIR)$incdir
5465 BINDIR=\$(DESTDIR)$bindir
5466 DATADIR=\$(DESTDIR)$datadir
5467 DOCDIR=\$(DESTDIR)$docdir
5468 MANDIR=\$(DESTDIR)$mandir
5469 SRC_PATH=$source_path
5470 ifndef MAIN_MAKEFILE
5471 SRC_PATH:=\$(SRC_PATH:.%=..%)
5475 INTRINSICS=$intrinsics
5481 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5483 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5512 LDEXEFLAGS=$LDEXEFLAGS
5513 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5514 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5515 YASMFLAGS=$YASMFLAGS
5516 BUILDSUF=$build_suffix
5517 PROGSSUF=$progs_suffix
5525 EXTRA_VERSION=$extra_version
5528 CCDEP_FLAGS=$CCDEP_FLAGS
5530 ASDEP_FLAGS=$ASDEP_FLAGS
5531 CC_DEPFLAGS=$CC_DEPFLAGS
5532 AS_DEPFLAGS=$AS_DEPFLAGS
5535 HOSTCFLAGS=$host_cflags
5536 HOSTCPPFLAGS=$host_cppflags
5537 HOSTEXESUF=$HOSTEXESUF
5538 HOSTLDFLAGS=$host_ldflags
5541 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5542 HOSTCCDEP=$HOSTCCDEP
5543 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5544 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5548 TARGET_EXEC=$target_exec $target_exec_args
5549 TARGET_PATH=$target_path
5550 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5551 CFLAGS-ffplay=$sdl_cflags
5552 ZLIB=$($ldflags_filter -lz)
5553 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5554 EXTRALIBS=$extralibs
5555 COMPAT_OBJS=$compat_objs
5558 LIBTARGET=${LIBTARGET}
5559 SLIBNAME=${SLIBNAME}
5560 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5561 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5562 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5563 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5564 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5565 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5566 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5567 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5568 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5569 NOREDZONE_FLAGS=$noredzone_flags
5574 name
=$
(toupper
$lcname)
5575 file=$source_path/$lcname/version.h
5576 eval $
(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5577 enabled raise_major
&& eval ${name}_VERSION_MAJOR
=$
((${name}_VERSION_MAJOR
+100))
5578 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5579 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5580 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5581 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5584 map
'get_version $v' $LIBRARY_LIST
5586 map
'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5588 print_program_libs
(){
5589 eval "program_libs=\$${1}_libs"
5590 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5593 map
'print_program_libs $v' $PROGRAM_LIST
5596 /* Automatically generated by configure - do not modify! */
5597 #ifndef FFMPEG_CONFIG_H
5598 #define FFMPEG_CONFIG_H
5599 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5600 #define FFMPEG_LICENSE "$(c_escape $license)"
5601 #define CONFIG_THIS_YEAR 2014
5602 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5603 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5604 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5605 #define av_restrict $_restrict
5606 #define EXTERN_PREFIX "${extern_prefix}"
5607 #define EXTERN_ASM ${extern_prefix}
5608 #define BUILDSUF "$build_suffix"
5609 #define SLIBSUF "$SLIBSUF"
5610 #define HAVE_MMX2 HAVE_MMXEXT
5611 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5614 test -n "$assert_level" &&
5615 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5617 test -n "$malloc_prefix" &&
5618 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5620 if enabled yasm
; then
5621 append config_files
$TMPASM
5625 enabled getenv ||
echo "#define getenv(x) NULL" >> $TMPH
5629 echo "@c auto-generated by configure" > doc
/config.texi
5631 print_config ARCH_
"$config_files" $ARCH_LIST
5632 print_config HAVE_
"$config_files" $HAVE_LIST
5633 print_config CONFIG_
"$config_files" $CONFIG_LIST \
5637 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5638 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5640 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5641 cp_if_changed
$TMPH config.h
5644 enabled yasm
&& cp_if_changed
$TMPASM config.asm
5647 /* Generated by ffconf */
5648 #ifndef AVUTIL_AVCONFIG_H
5649 #define AVUTIL_AVCONFIG_H
5652 print_config AV_HAVE_
$TMPH $HAVE_LIST_PUB
5654 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5656 cp_if_changed
$TMPH libavutil
/avconfig.h
5658 if test -n "$WARNINGS"; then
5659 printf "\n$WARNINGS"
5660 enabled fatal_warnings
&& exit 1
5663 # build pkg-config files
5666 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5669 pkgconfig_generate
(){
5671 shortname
=${name#lib}${build_suffix}
5675 requires
=$
(map
'lib_version $v' $
(eval echo \$
${name#lib}_deps
))
5676 requires
=${requires%, }
5677 enabled
${name#lib} ||
return 0
5679 cat <<EOF > $name/$name${build_suffix}.pc
5681 exec_prefix=\${prefix}
5686 Description: $comment
5688 Requires: $(enabled shared || echo $requires)
5689 Requires.private: $(enabled shared && echo $requires)
5691 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5692 Libs.private: $(enabled shared && echo $libs)
5693 Cflags: -I\${includedir}
5696 mkdir
-p doc
/examples
/pc-uninstalled
5697 includedir
=${source_path}
5698 [ "$includedir" = .
] && includedir
="\${pcfiledir}/../../.."
5699 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5702 libdir=\${pcfiledir}/../../../$name
5703 includedir=${includedir}
5706 Description: $comment
5710 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5711 Cflags: -I\${includedir}
5715 pkgconfig_generate libavutil
"FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5716 pkgconfig_generate libavcodec
"FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5717 pkgconfig_generate libavformat
"FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5718 pkgconfig_generate libavdevice
"FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5719 pkgconfig_generate libavfilter
"FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5720 pkgconfig_generate libpostproc
"FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5721 pkgconfig_generate libavresample
"Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5722 pkgconfig_generate libswscale
"FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5723 pkgconfig_generate libswresample
"FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"