3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-raise-major increase major version numbers in sonames [no]
112 --disable-programs do not build command line programs
113 --disable-ffmpeg disable ffmpeg build
114 --disable-ffplay disable ffplay build
115 --disable-ffprobe disable ffprobe build
116 --disable-ffserver disable ffserver build
118 Documentation options:
119 --disable-doc do not build documentation
120 --disable-htmlpages do not build HTML documentation pages
121 --disable-manpages do not build man documentation pages
122 --disable-podpages do not build POD documentation pages
123 --disable-txtpages do not build text documentation pages
126 --disable-avdevice disable libavdevice build
127 --disable-avcodec disable libavcodec build
128 --disable-avformat disable libavformat build
129 --disable-avutil disable libavutil build
130 --disable-swresample disable libswresample build
131 --disable-swscale disable libswscale build
132 --disable-postproc disable libpostproc build
133 --disable-avfilter disable libavfilter build
134 --enable-avresample enable libavresample build [no]
135 --disable-pthreads disable pthreads [auto]
136 --disable-w32threads disable Win32 threads [auto]
137 --disable-os2threads disable OS/2 threads [auto]
138 --disable-network disable network support [no]
139 --disable-dct disable DCT code
140 --disable-dwt disable DWT code
141 --disable-error-resilience disable error resilience code
142 --disable-lsp disable LSP code
143 --disable-lzo disable LZO decoder code
144 --disable-mdct disable MDCT code
145 --disable-rdft disable RDFT code
146 --disable-fft disable FFT code
148 Hardware accelerators:
149 --disable-dxva2 disable DXVA2 code [autodetect]
150 --disable-vaapi disable VAAPI code [autodetect]
151 --disable-vda disable VDA code [autodetect]
152 --disable-vdpau disable VDPAU code [autodetect]
154 Individual component options:
155 --disable-everything disable all components listed below
156 --disable-encoder=NAME disable encoder NAME
157 --enable-encoder=NAME enable encoder NAME
158 --disable-encoders disable all encoders
159 --disable-decoder=NAME disable decoder NAME
160 --enable-decoder=NAME enable decoder NAME
161 --disable-decoders disable all decoders
162 --disable-hwaccel=NAME disable hwaccel NAME
163 --enable-hwaccel=NAME enable hwaccel NAME
164 --disable-hwaccels disable all hwaccels
165 --disable-muxer=NAME disable muxer NAME
166 --enable-muxer=NAME enable muxer NAME
167 --disable-muxers disable all muxers
168 --disable-demuxer=NAME disable demuxer NAME
169 --enable-demuxer=NAME enable demuxer NAME
170 --disable-demuxers disable all demuxers
171 --enable-parser=NAME enable parser NAME
172 --disable-parser=NAME disable parser NAME
173 --disable-parsers disable all parsers
174 --enable-bsf=NAME enable bitstream filter NAME
175 --disable-bsf=NAME disable bitstream filter NAME
176 --disable-bsfs disable all bitstream filters
177 --enable-protocol=NAME enable protocol NAME
178 --disable-protocol=NAME disable protocol NAME
179 --disable-protocols disable all protocols
180 --enable-indev=NAME enable input device NAME
181 --disable-indev=NAME disable input device NAME
182 --disable-indevs disable input devices
183 --enable-outdev=NAME enable output device NAME
184 --disable-outdev=NAME disable output device NAME
185 --disable-outdevs disable output devices
186 --disable-devices disable all devices
187 --enable-filter=NAME enable filter NAME
188 --disable-filter=NAME disable filter NAME
189 --disable-filters disable all filters
191 External library support:
192 --enable-avisynth enable reading of AviSynth script files [no]
193 --disable-bzlib disable bzlib [autodetect]
194 --enable-fontconfig enable fontconfig
195 --enable-frei0r enable frei0r video filtering
196 --enable-gnutls enable gnutls [no]
197 --disable-iconv disable iconv [autodetect]
198 --enable-ladspa enable LADSPA audio filtering
199 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
200 --enable-libass enable libass subtitles rendering [no]
201 --enable-libbluray enable BluRay reading using libbluray [no]
202 --enable-libbs2b enable bs2b DSP library [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-libgme enable Game Music Emu via libgme [no]
213 --enable-libgsm enable GSM de/encoding via libgsm [no]
214 --enable-libiec61883 enable iec61883 via libiec61883 [no]
215 --enable-libilbc enable iLBC de/encoding via libilbc [no]
216 --enable-libmodplug enable ModPlug via libmodplug [no]
217 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
218 --enable-libnut enable NUT (de)muxing via libnut,
219 native (de)muxer exists [no]
220 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
221 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
222 --enable-libopencv enable video filtering via libopencv [no]
223 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
224 --enable-libopus enable Opus de/encoding via libopus [no]
225 --enable-libpulse enable Pulseaudio input via libpulse [no]
226 --enable-libquvi enable quvi input via libquvi [no]
227 --enable-librtmp enable RTMP[E] support via librtmp [no]
228 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
229 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
230 --enable-libsoxr enable Include libsoxr resampling [no]
231 --enable-libspeex enable Speex de/encoding via libspeex [no]
232 --enable-libssh enable SFTP protocol via libssh [no]
233 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
234 --enable-libtheora enable Theora encoding via libtheora [no]
235 --enable-libtwolame enable MP2 encoding via libtwolame [no]
236 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
237 --enable-libv4l2 enable libv4l2/v4l-utils [no]
238 --enable-libvidstab enable video stabilization using vid.stab [no]
239 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
240 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
241 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
242 native implementation exists [no]
243 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
244 --enable-libwavpack enable wavpack encoding via libwavpack [no]
245 --enable-libwebp enable WebP encoding via libwebp [no]
246 --enable-libx264 enable H.264 encoding via x264 [no]
247 --enable-libx265 enable HEVC encoding via x265 [no]
248 --enable-libxavs enable AVS encoding via xavs [no]
249 --enable-libxvid enable Xvid encoding via xvidcore,
250 native MPEG-4/Xvid encoder exists [no]
251 --enable-libzmq enable message passing via libzmq [no]
252 --enable-libzvbi enable teletext support via libzvbi [no]
253 --enable-decklink enable Blackmagick DeckLink output [no]
254 --enable-openal enable OpenAL 1.1 capture support [no]
255 --enable-opencl enable OpenCL code
256 --enable-opengl enable OpenGL rendering [no]
257 --enable-openssl enable openssl [no]
258 --enable-x11grab enable X11 grabbing [no]
259 --disable-xlib disable xlib [autodetect]
260 --disable-zlib disable zlib [autodetect]
263 --arch=ARCH select architecture [$arch]
264 --cpu=CPU select the minimum required CPU (affects
265 instruction selection, may crash on older CPUs)
266 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
267 --progs-suffix=SUFFIX program name suffix []
268 --enable-cross-compile assume a cross-compiler is used
269 --sysroot=PATH root of cross-build tree
270 --sysinclude=PATH location of cross-build system headers
271 --target-os=OS compiler targets OS [$target_os]
272 --target-exec=CMD command to run executables on target
273 --target-path=DIR path to view of build directory on target
274 --target-samples=DIR path to samples directory on target
275 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
276 --toolchain=NAME set tool defaults according to NAME
277 --nm=NM use nm tool NM [$nm_default]
278 --ar=AR use archive tool AR [$ar_default]
279 --as=AS use assembler AS [$as_default]
280 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
281 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
282 --cc=CC use C compiler CC [$cc_default]
283 --cxx=CXX use C compiler CXX [$cxx_default]
284 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
285 --ld=LD use linker LD [$ld_default]
286 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
287 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
288 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
289 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
290 --host-cc=HOSTCC use host C compiler HOSTCC
291 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
292 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
293 --host-ld=HOSTLD use host linker HOSTLD
294 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
295 --host-libs=HLIBS use libs HLIBS when linking for host
296 --host-os=OS compiler host OS [$target_os]
297 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
298 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
299 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
300 --extra-libs=ELIBS add ELIBS [$ELIBS]
301 --extra-version=STRING version string suffix []
302 --optflags=OPTFLAGS override optimization-related compiler flags
303 --build-suffix=SUFFIX library name suffix []
304 --enable-pic build position-independent code
305 --enable-thumb compile for Thumb instruction set
306 --enable-lto use link-time optimization
308 Advanced options (experts only):
309 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
310 --disable-symver disable symbol versioning
311 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
312 --disable-safe-bitstream-reader
313 disable buffer boundary checking in bitreaders
314 (faster, but may crash)
315 --enable-memalign-hack emulate memalign, interferes with memory debuggers
316 --enable-sram allow use of on-chip SRAM
317 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
319 Optimization options (experts only):
320 --disable-asm disable all assembly optimizations
321 --disable-altivec disable AltiVec optimizations
322 --disable-amd3dnow disable 3DNow! optimizations
323 --disable-amd3dnowext disable 3DNow! extended optimizations
324 --disable-mmx disable MMX optimizations
325 --disable-mmxext disable MMXEXT optimizations
326 --disable-sse disable SSE optimizations
327 --disable-sse2 disable SSE2 optimizations
328 --disable-sse3 disable SSE3 optimizations
329 --disable-ssse3 disable SSSE3 optimizations
330 --disable-sse4 disable SSE4 optimizations
331 --disable-sse42 disable SSE4.2 optimizations
332 --disable-avx disable AVX optimizations
333 --disable-xop disable XOP optimizations
334 --disable-fma3 disable FMA3 optimizations
335 --disable-fma4 disable FMA4 optimizations
336 --disable-avx2 disable AVX2 optimizations
337 --disable-armv5te disable armv5te optimizations
338 --disable-armv6 disable armv6 optimizations
339 --disable-armv6t2 disable armv6t2 optimizations
340 --disable-vfp disable VFP optimizations
341 --disable-neon disable NEON optimizations
342 --disable-inline-asm disable use of inline assembly
343 --disable-yasm disable use of nasm/yasm assembly
344 --disable-mips32r2 disable MIPS32R2 optimizations
345 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
346 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
347 --disable-mipsfpu disable floating point MIPS optimizations
348 --disable-fast-unaligned consider unaligned accesses slow
350 Developer options (useful when working on FFmpeg itself):
351 --disable-debug disable debugging symbols
352 --enable-debug=LEVEL set the debug level [$debuglevel]
353 --disable-optimizations disable compiler optimizations
354 --enable-extra-warnings enable more compiler warnings
355 --disable-stripping disable stripping of executables and shared libraries
356 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
357 2 causes a slowdown at runtime.
358 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
359 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
360 leaks and errors, using the specified valgrind binary.
361 Cannot be combined with --target-exec
362 --enable-ftrapv Trap arithmetic overflows
363 --samples=PATH location of test samples for FATE, if not set use
364 \$FATE_SAMPLES at make invocation time.
365 --enable-neon-clobber-test check NEON registers for clobbering (should be
366 used only for debugging purposes)
367 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
368 should be used only for debugging purposes)
369 --enable-random randomly enable/disable components
371 --enable-random=LIST randomly enable/disable specific components or
372 --disable-random=LIST component groups. LIST is a comma-separated list
373 of NAME[:PROB] entries where NAME is a component
374 (group) and PROB the probability associated with
376 --random-seed=VALUE seed value for --enable/disable-random
378 NOTE: Object files are built at the place where configure is launched.
386 echo "$@" >> $logfile
391 pr -n -t $1 >> $logfile
402 WARNINGS="${WARNINGS}WARNING: $*\n"
409 If you think configure made a mistake, make sure you are using the latest
410 version from Git. If the latest version fails, report the problem to the
411 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
413 if disabled logging; then
415 Rerun configure with logging enabled (do not use --disable-logging), and
416 include the log this produces with your report.
420 Include the log file "$logfile" produced by configure as this will help
427 # Avoid locale weirdness, besides we really just want to translate ASCII.
429 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
433 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
437 echo "$*" | sed 's/["\\]/\\\0/g'
441 v=$(echo "$1" | sed "s/'/'\\\\''/g")
442 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
447 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
454 eval "case $v in $pat) echo $v ;; esac"
462 eval "case $v in $pat) ;; *) echo $v ;; esac"
469 for v; do eval $m; done
475 for v; do echo ${v}${suffix}; done
490 eval : \${$var:=$value}
495 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
501 eval $(sanitize_var_name "$var")='$*'
505 eval echo \$$(sanitize_var_name "$1")
510 eval level=\${${pvar}_level:=0}
511 eval ${pvar}_${level}="\$$pvar"
512 eval ${pvar}_level=$(($level+1))
518 eval level=\${${pvar}_level:-0}
519 test $level = 0 && continue
520 eval level=$(($level-1))
521 eval $pvar="\${${pvar}_${level}}"
522 eval ${pvar}_level=$level
523 eval unset ${pvar}_${level}
545 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
551 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
557 enabled $var && continue
558 eval sel="\$${var}_select"
559 eval sgs="\$${var}_suggest"
563 enable_deep_weak $sgs
575 disabled $var && continue
584 test "${1#!}" = "$1" && op== || op=!=
585 eval test "x\$${1#!}" $op "xyes"
589 test "${1#!}" = "$1" && op== || op=!=
590 eval test "x\$${1#!}" $op "xno"
595 enabled $opt || return 1
601 disabled $opt || return 1
607 enabled $opt && return 0
613 disabled $opt && return 0
620 eval : \${$opt:=\$${opt}_default}
628 [ $var = $value ] && return 0
636 enabled ${cfg}_checking && die "Circular dependency for $cfg."
637 disabled ${cfg}_checking && continue
638 enable ${cfg}_checking
641 eval dep_all="\$${cfg}_deps"
642 eval dep_any="\$${cfg}_deps_any"
643 eval dep_sel="\$${cfg}_select"
644 eval dep_sgs="\$${cfg}_suggest"
645 eval dep_ifa="\$${cfg}_if"
646 eval dep_ifn="\$${cfg}_if_any"
648 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
649 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
650 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
652 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
653 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
654 enabled_all $dep_all || disable $cfg
655 enabled_any $dep_any || disable $cfg
656 disabled_any $dep_sel && disable $cfg
658 if enabled $cfg; then
660 enable_deep_weak $dep_sgs
663 disable ${cfg}_checking
672 for cfg in $allopts; do
673 enabled $cfg || continue
674 eval dep_extralibs="\$${cfg}_extralibs"
675 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
683 map 'eval echo "$v \${$v:-no}"' "$@" |
684 awk "BEGIN { split(\"$files\", files) }
686 c = \"$pfx\" toupper(\$1);
692 if (file ~ /\\.h\$/) {
693 printf(\"#define %s %d\\n\", c, v) >>file;
694 } else if (file ~ /\\.asm\$/) {
695 printf(\"%%define %s %d\\n\", c, v) >>file;
696 } else if (file ~ /\\.mak\$/) {
697 n = -v ? \"\" : \"!\";
698 printf(\"%s%s=yes\\n\", n, c) >>file;
699 } else if (file ~ /\\.texi\$/) {
700 pre = -v ? \"\" : \"@c \";
703 gsub(/_/, \"-\", c2);
704 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
714 enabled $v && printf "%s\n" ${v%$suf};
721 eval "$var=\"\$$var $*\""
727 eval "$var=\"$* \$$var\""
733 for tok in $(eval echo \$$var); do
734 uniq_list="$(filter_out $tok $uniq_list) $tok"
736 eval "$var=\"${uniq_list}\""
744 append CFLAGS $($cflags_filter "$@")
748 append CXXFLAGS $($cflags_filter "$@")
752 append ASFLAGS $($asflags_filter "$@")
756 append LDFLAGS $($ldflags_filter "$@")
760 append ASMSTRIPFLAGS "$@"
764 prepend extralibs $($ldflags_filter "$@")
768 append host_cppflags "$@"
772 append host_cflags $($host_cflags_filter "$@")
776 append host_ldflags $($host_ldflags_filter "$@")
780 append compat_objs $1
782 map 'add_cppflags -D$v' "$@"
787 "$@" >> $logfile 2>&1
792 stat "$1" >> $logfile 2>&1
796 eval printf '%s\\n' $CC_O
800 eval printf '%s\\n' $CC_E
807 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
814 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
821 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
828 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
832 eval printf '%s\\n' $AS_O
839 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
843 log check_inline_asm "$@"
848 check_cc "$@" <<EOF && enable $name
849 void foo(void){ __asm__ volatile($code); }
855 check_inline_asm ${1}_inline "\"$2\""
856 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
864 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
868 eval printf '%s\\n' $LD_O
875 flags=$(filter_out '-l*|*.so' $@)
876 libs=$(filter '-l*|*.so' $@)
877 check_$type $($cflags_filter $flags) || return
878 flags=$($ldflags_filter $flags)
879 libs=$($ldflags_filter $libs)
880 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
885 test "${hdr%.h}" = "${hdr}" &&
886 echo "#include $hdr" ||
887 echo "#include <$hdr>"
897 for hdr in $headers; do
900 echo "int main(void) { $code; return 0; }"
901 } | check_$check "$@"
905 log check_cppflags "$@"
906 check_cc "$@" <<EOF && append CPPFLAGS "$@"
913 set -- $($cflags_filter "$@")
920 log check_cflags "$@"
921 test_cflags "$@" && add_cflags "$@"
925 log check_cxxflags "$@"
926 set -- $($cflags_filter "$@")
927 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
933 log test_ldflags "$@"
934 check_ld "cc" "$@" <<EOF
935 int main(void){ return 0; }
940 log check_ldflags "$@"
941 test_ldflags "$@" && add_ldflags "$@"
945 log test_stripflags "$@"
946 # call check_cc to get a fresh TMPO
948 int main(void) { return 0; }
950 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
954 log check_stripflags "$@"
955 test_stripflags "$@" && add_stripflags "$@"
959 log check_header "$@"
963 check_cpp "$@" <<EOF && enable_safe $header
970 log check_header_oc "$@"
976 echo "#include <$header>"
977 echo "int main(void) { return 0; }"
978 } | check_oc && check_stat "$TMPO" && enable_safe $headers
986 check_ld "cc" "$@" <<EOF && enable $func
988 int main(void){ $func(); }
993 log check_mathfunc "$@"
997 test $narg = 2 && args="f, g" || args="f"
999 check_ld "cc" "$@" <<EOF && enable $func
1001 float foo(float f, float g) { return $func($args); }
1002 int main(void){ return (int) foo; }
1006 check_func_headers(){
1007 log check_func_headers "$@"
1012 for hdr in $headers; do
1015 for func in $funcs; do
1016 echo "long check_$func(void) { return (long) $func; }"
1018 echo "int main(void) { return 0; }"
1019 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1022 check_class_headers_cpp(){
1023 log check_class_headers_cpp "$@"
1028 for hdr in $headers; do
1029 echo "#include <$hdr>"
1031 echo "int main(void) { "
1033 for class in $classes; do
1034 echo "$class obj$i;"
1038 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1041 check_cpp_condition(){
1042 log check_cpp_condition "$@"
1046 check_cpp "$@" <<EOF
1049 #error "unsatisfied condition: $condition"
1059 check_header $header && check_func $func "$@" && add_extralibs "$@"
1067 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1071 log check_lib_cpp "$@"
1075 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1079 log check_pkg_config "$@"
1085 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1086 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1087 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1088 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1089 set_safe ${pkg}_cflags $pkg_cflags &&
1090 set_safe ${pkg}_libs $pkg_libs
1094 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1100 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1101 # are safe but may not be available everywhere. Thus we use
1102 # raise(SIGTERM) instead. The check is run in a subshell so we
1103 # can redirect the "Terminated" message from the shell. SIGBUS
1104 # is not defined by standard C so it is used conditionally.
1106 (check_exec "$@") >> $logfile 2>&1 <<EOF
1108 static void sighandler(int sig){
1114 int (*func_ptr)(void) = foo;
1116 signal(SIGILL, sighandler);
1117 signal(SIGFPE, sighandler);
1118 signal(SIGSEGV, sighandler);
1120 signal(SIGBUS, sighandler);
1132 disable_safe "$type"
1133 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1137 log check_struct "$@"
1142 disable_safe "${struct}_${member}"
1143 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1144 enable_safe "${struct}_${member}"
1148 log check_builtin "$@"
1154 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1157 check_compile_assert(){
1158 log check_compile_assert "$@"
1164 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1172 check_lib $header $func "$@" || die "ERROR: $name not found"
1180 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1188 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1191 require_pkg_config(){
1193 check_pkg_config "$@" || die "ERROR: $pkg not found"
1194 add_cflags $(get_safe ${pkg}_cflags)
1195 add_extralibs $(get_safe ${pkg}_libs)
1198 require_libfreetype(){
1199 log require_libfreetype "$@"
1201 check_cmd $pkg_config --exists --print-errors $pkg \
1202 || die "ERROR: $pkg not found"
1203 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1204 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1206 echo "#include <ft2build.h>"
1207 echo "#include FT_FREETYPE_H"
1208 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1209 echo "int main(void) { return 0; }"
1210 } | check_ld "cc" $pkg_cflags $pkg_libs \
1211 && set_safe ${pkg}_cflags $pkg_cflags \
1212 && set_safe ${pkg}_libs $pkg_libs \
1213 || die "ERROR: $pkg not found"
1214 add_cflags $(get_safe ${pkg}_cflags)
1215 add_extralibs $(get_safe ${pkg}_libs)
1219 eval printf '%s\\n' $HOSTCC_E
1223 eval printf '%s\\n' $HOSTCC_O
1227 log check_host_cc "$@"
1230 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1234 log check_host_cpp "$@"
1237 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1240 check_host_cppflags(){
1241 log check_host_cppflags "$@"
1242 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1247 check_host_cflags(){
1248 log check_host_cflags "$@"
1249 set -- $($host_cflags_filter "$@")
1250 check_host_cc "$@" <<EOF && append host_cflags "$@"
1255 check_host_cpp_condition(){
1256 log check_host_cpp_condition "$@"
1260 check_host_cpp "$@" <<EOF
1263 #error "unsatisfied condition: $condition"
1271 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1275 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1276 mkdir -p "$(dirname $2)"
1280 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1281 # system-dependent things.
1298 avio_reading_example
1299 decoding_encoding_example
1300 demuxing_decoding_example
1301 filter_audio_example
1302 filtering_audio_example
1303 filtering_video_example
1307 resampling_audio_example
1308 scaling_video_example
1309 transcode_aac_example
1313 EXTERNAL_LIBRARY_LIST="
1395 safe_bitstream_reader
1453 $EXTERNAL_LIBRARY_LIST
1461 incompatible_libav_abi
1521 ARCH_EXT_LIST_MIPS="
1528 ARCH_EXT_LIST_X86_SIMD="
1555 $ARCH_EXT_LIST_X86_SIMD
1585 sync_val_compare_and_swap
1596 incompatible_libav_abi
1605 cdio_paranoia_paranoia_h
1607 dev_bktr_ioctl_bt848_h
1608 dev_bktr_ioctl_meteor_h
1610 dev_video_bktr_ioctl_bt848_h
1611 dev_video_meteor_ioctl_meteor_h
1619 machine_ioctl_bt848_h
1620 machine_ioctl_meteor_h
1622 openjpeg_1_5_openjpeg_h
1685 GetProcessAffinityMask
1686 GetProcessMemoryInfo
1690 GetSystemTimeAsFileTime
1696 jack_port_get_latency_range
1711 SetConsoleTextAttribute
1723 TOOLCHAIN_FEATURES="
1735 inline_asm_nonlocal_labels
1736 inline_asm_direct_symbol_refs
1749 struct_group_source_req
1750 struct_ip_mreq_source
1753 struct_rusage_ru_maxrss
1754 struct_sctp_event_subscribe
1756 struct_sockaddr_sa_len
1757 struct_sockaddr_storage
1758 struct_stat_st_mtim_tv_nsec
1759 struct_v4l2_frmivalenum_discrete
1764 $(add_suffix _external $ARCH_EXT_LIST)
1765 $(add_suffix _inline $ARCH_EXT_LIST)
1794 # options emitted with CONFIG_ prefix but not available on the command line
1807 frame_thread_encoder
1925 # code dependency declarations
1927 # architecture extensions
1932 armv8_deps="aarch64"
1933 neon_deps_any="aarch64 arm"
1934 vfp_deps_any="aarch64 arm"
1937 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1940 mips32r2_deps="mips"
1941 mipsdspr1_deps="mips"
1942 mipsdspr2_deps="mips"
1949 x86_64_select="i686"
1950 x86_64_suggest="fast_cmov"
1953 amd3dnowext_deps="amd3dnow"
1969 mmx_external_deps="yasm"
1970 mmx_inline_deps="inline_asm"
1971 mmx_suggest="mmx_external mmx_inline"
1973 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1974 eval dep=\$${ext}_deps
1975 eval ${ext}_external_deps='"${dep}_external"'
1976 eval ${ext}_inline_deps='"${dep}_inline"'
1977 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1980 aligned_stack_if_any="aarch64 ppc x86"
1981 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1982 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1983 fast_unaligned_if_any="aarch64 ppc x86"
1985 need_memalign="altivec neon sse"
1987 # system capabilities
1989 symver_if_any="symver_asm_label symver_gnu_asm"
1992 atomics_gcc_if="sync_val_compare_and_swap"
1993 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1994 atomics_win32_if="MemoryBarrier"
1995 atomics_native_if_any="$ATOMICS_LIST"
1996 w32threads_deps="atomics_native"
1997 threads_if_any="$THREADS_LIST"
2001 dsputil_select="fdctdsp idctdsp pixblockdsp"
2002 error_resilience_select="dsputil"
2003 frame_thread_encoder_deps="encoders threads"
2004 intrax8_select="error_resilience"
2007 mpeg_er_select="error_resilience"
2008 mpegaudio_select="mpegaudiodsp"
2009 mpegaudiodsp_select="dct"
2010 mpegvideo_select="blockdsp dsputil h264chroma hpeldsp idctdsp videodsp"
2011 mpegvideoenc_select="dsputil mpegvideo pixblockdsp qpeldsp"
2013 # decoders / encoders
2014 aac_decoder_select="mdct sinewin"
2015 aac_encoder_select="audio_frame_queue mdct sinewin"
2016 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2017 ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2018 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2019 ac3_encoder_select="ac3dsp audiodsp dsputil mdct"
2020 ac3_fixed_encoder_select="ac3dsp audiodsp dsputil mdct"
2021 aic_decoder_select="golomb idctdsp"
2022 alac_encoder_select="lpc"
2023 als_decoder_select="bswapdsp"
2024 amrnb_decoder_select="lsp"
2025 amrwb_decoder_select="lsp"
2026 amv_decoder_select="sp5x_decoder exif"
2027 amv_encoder_select="aandcttables mpegvideoenc"
2028 ape_decoder_select="bswapdsp llauddsp"
2029 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2030 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2031 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2032 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2033 atrac1_decoder_select="mdct sinewin"
2034 atrac3_decoder_select="mdct"
2035 atrac3p_decoder_select="mdct sinewin"
2036 avrn_decoder_select="exif"
2037 bink_decoder_select="blockdsp hpeldsp"
2038 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
2039 binkaudio_rdft_decoder_select="mdct rdft sinewin"
2040 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2041 cllc_decoder_select="bswapdsp"
2042 comfortnoise_encoder_select="lpc"
2043 cook_decoder_select="audiodsp mdct sinewin"
2044 cscd_decoder_select="lzo"
2045 cscd_decoder_suggest="zlib"
2046 dca_decoder_select="mdct"
2047 dirac_decoder_select="dsputil dwt golomb videodsp"
2048 dnxhd_decoder_select="blockdsp idctdsp"
2049 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2050 dvvideo_decoder_select="dvprofile idctdsp"
2051 dvvideo_encoder_select="dsputil dvprofile fdctdsp pixblockdsp"
2052 dxa_decoder_select="zlib"
2053 eac3_decoder_select="ac3_decoder"
2054 eac3_encoder_select="ac3_encoder"
2055 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2056 eatgq_decoder_select="aandcttables"
2057 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2058 exr_decoder_select="zlib"
2059 ffv1_decoder_select="golomb rangecoder"
2060 ffv1_encoder_select="rangecoder"
2061 ffvhuff_decoder_select="huffyuv_decoder"
2062 ffvhuff_encoder_select="huffyuv_encoder"
2063 fic_decoder_select="golomb"
2064 flac_decoder_select="golomb"
2065 flac_encoder_select="bswapdsp golomb lpc"
2066 flashsv_decoder_select="zlib"
2067 flashsv_encoder_select="zlib"
2068 flashsv2_encoder_select="zlib"
2069 flashsv2_decoder_select="zlib"
2070 flv_decoder_select="h263_decoder"
2071 flv_encoder_select="h263_encoder"
2072 fourxm_decoder_select="blockdsp bswapdsp"
2073 fraps_decoder_select="bswapdsp huffman"
2074 g2m_decoder_select="blockdsp idctdsp zlib"
2075 g729_decoder_select="audiodsp"
2076 h261_decoder_select="mpeg_er mpegvideo"
2077 h261_encoder_select="aandcttables mpegvideoenc"
2078 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2079 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2080 h263i_decoder_select="h263_decoder"
2081 h263p_encoder_select="h263_encoder"
2082 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2083 h264_decoder_suggest="error_resilience"
2084 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2085 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2086 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2087 iac_decoder_select="imc_decoder"
2088 imc_decoder_select="bswapdsp fft mdct sinewin"
2089 indeo3_decoder_select="hpeldsp"
2090 interplay_video_decoder_select="hpeldsp"
2091 jpegls_decoder_select="golomb mjpeg_decoder"
2092 jpegls_encoder_select="golomb"
2093 jv_decoder_select="blockdsp"
2094 lagarith_decoder_select="huffyuvdsp"
2095 ljpeg_encoder_select="aandcttables idctdsp"
2096 loco_decoder_select="golomb"
2097 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2098 metasound_decoder_select="lsp mdct sinewin"
2099 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2100 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2101 mjpeg_encoder_select="aandcttables mpegvideoenc"
2102 mjpegb_decoder_select="mjpeg_decoder"
2103 mlp_decoder_select="mlp_parser"
2104 motionpixels_decoder_select="bswapdsp"
2105 mp1_decoder_select="mpegaudio"
2106 mp1float_decoder_select="mpegaudio"
2107 mp2_decoder_select="mpegaudio"
2108 mp2float_decoder_select="mpegaudio"
2109 mp3_decoder_select="mpegaudio"
2110 mp3adu_decoder_select="mpegaudio"
2111 mp3adufloat_decoder_select="mpegaudio"
2112 mp3float_decoder_select="mpegaudio"
2113 mp3on4_decoder_select="mpegaudio"
2114 mp3on4float_decoder_select="mpegaudio"
2115 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2116 mpc8_decoder_select="mpegaudiodsp"
2117 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2118 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2119 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2120 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2121 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2122 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2123 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2124 mpeg4_encoder_select="h263_encoder"
2125 msmpeg4v1_decoder_select="h263_decoder"
2126 msmpeg4v2_decoder_select="h263_decoder"
2127 msmpeg4v2_encoder_select="h263_encoder"
2128 msmpeg4v3_decoder_select="h263_decoder"
2129 msmpeg4v3_encoder_select="h263_encoder"
2130 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2131 mxpeg_decoder_select="mjpeg_decoder"
2132 nellymoser_decoder_select="mdct sinewin"
2133 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2134 nuv_decoder_select="idctdsp lzo"
2135 on2avc_decoder_select="mdct"
2136 opus_decoder_deps="swresample"
2137 png_decoder_select="zlib"
2138 png_encoder_select="huffyuvencdsp zlib"
2139 prores_decoder_select="blockdsp idctdsp"
2140 prores_encoder_select="fdctdsp"
2141 qcelp_decoder_select="lsp"
2142 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2143 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2144 ra_144_decoder_select="audiodsp"
2145 ralf_decoder_select="golomb"
2146 rawvideo_decoder_select="dsputil bswapdsp"
2147 rtjpeg_decoder_select="dsputil"
2148 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2149 rv10_encoder_select="h263_encoder"
2150 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2151 rv20_encoder_select="h263_encoder"
2152 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2153 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2154 shorten_decoder_select="golomb"
2155 sipr_decoder_select="lsp"
2156 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2157 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2158 sonic_decoder_select="golomb rangecoder"
2159 sonic_encoder_select="golomb rangecoder"
2160 sonic_ls_encoder_select="golomb rangecoder"
2161 sp5x_decoder_select="mjpeg_decoder"
2162 svq1_decoder_select="hpeldsp"
2163 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2164 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2165 svq3_decoder_suggest="zlib"
2166 tak_decoder_select="audiodsp"
2167 theora_decoder_select="vp3_decoder"
2168 thp_decoder_select="mjpeg_decoder"
2169 tiff_decoder_suggest="zlib"
2170 tiff_encoder_suggest="zlib"
2171 truehd_decoder_select="mlp_parser"
2172 truemotion2_decoder_select="bswapdsp"
2173 truespeech_decoder_select="bswapdsp"
2174 tscc_decoder_select="zlib"
2175 twinvq_decoder_select="mdct lsp sinewin"
2176 utvideo_decoder_select="bswapdsp"
2177 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2178 vble_decoder_select="huffyuvdsp"
2179 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp"
2180 vc1image_decoder_select="vc1_decoder"
2181 vorbis_decoder_select="mdct"
2182 vorbis_encoder_select="mdct"
2183 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2184 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2185 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2186 vp6a_decoder_select="vp6_decoder"
2187 vp6f_decoder_select="vp6_decoder"
2188 vp7_decoder_select="h264pred videodsp"
2189 vp8_decoder_select="h264pred videodsp"
2190 vp9_decoder_select="videodsp vp9_parser"
2191 webp_decoder_select="vp8_decoder"
2192 wmalossless_decoder_select="llauddsp"
2193 wmapro_decoder_select="mdct sinewin"
2194 wmav1_decoder_select="mdct sinewin"
2195 wmav1_encoder_select="mdct sinewin"
2196 wmav2_decoder_select="mdct sinewin"
2197 wmav2_encoder_select="mdct sinewin"
2198 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2199 wmv1_decoder_select="h263_decoder"
2200 wmv1_encoder_select="h263_encoder"
2201 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2202 wmv2_encoder_select="h263_encoder"
2203 wmv3_decoder_select="vc1_decoder"
2204 wmv3image_decoder_select="wmv3_decoder"
2205 zerocodec_decoder_select="zlib"
2206 zlib_decoder_select="zlib"
2207 zlib_encoder_select="zlib"
2208 zmbv_decoder_select="zlib"
2209 zmbv_encoder_select="zlib"
2211 # hardware accelerators
2212 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2213 dxva2_deps="dxva2api_h"
2214 vaapi_deps="va_va_h"
2215 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2216 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2217 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2218 xvmc_deps="X11_extensions_XvMClib_h"
2220 h263_vaapi_hwaccel_deps="vaapi"
2221 h263_vaapi_hwaccel_select="h263_decoder"
2222 h263_vdpau_hwaccel_deps="vdpau"
2223 h263_vdpau_hwaccel_select="h263_decoder"
2224 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2225 h264_dxva2_hwaccel_deps="dxva2"
2226 h264_dxva2_hwaccel_select="h264_decoder"
2227 h264_vaapi_hwaccel_deps="vaapi"
2228 h264_vaapi_hwaccel_select="h264_decoder"
2229 h264_vda_decoder_deps="vda"
2230 h264_vda_decoder_select="h264_decoder"
2231 h264_vda_hwaccel_deps="vda"
2232 h264_vda_hwaccel_select="h264_decoder"
2233 h264_vda_old_hwaccel_deps="vda"
2234 h264_vda_old_hwaccel_select="h264_decoder"
2235 h264_vdpau_decoder_deps="vdpau"
2236 h264_vdpau_decoder_select="h264_decoder"
2237 h264_vdpau_hwaccel_deps="vdpau"
2238 h264_vdpau_hwaccel_select="h264_decoder"
2239 mpeg_vdpau_decoder_deps="vdpau"
2240 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2241 mpeg_xvmc_hwaccel_deps="xvmc"
2242 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2243 mpeg1_vdpau_decoder_deps="vdpau"
2244 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2245 mpeg1_vdpau_hwaccel_deps="vdpau"
2246 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2247 mpeg1_xvmc_hwaccel_deps="xvmc"
2248 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2249 mpeg2_crystalhd_decoder_select="crystalhd"
2250 mpeg2_dxva2_hwaccel_deps="dxva2"
2251 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2252 mpeg2_vaapi_hwaccel_deps="vaapi"
2253 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2254 mpeg2_vdpau_hwaccel_deps="vdpau"
2255 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2256 mpeg2_xvmc_hwaccel_deps="xvmc"
2257 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2258 mpeg4_crystalhd_decoder_select="crystalhd"
2259 mpeg4_vaapi_hwaccel_deps="vaapi"
2260 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2261 mpeg4_vdpau_decoder_deps="vdpau"
2262 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2263 mpeg4_vdpau_hwaccel_deps="vdpau"
2264 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2265 msmpeg4_crystalhd_decoder_select="crystalhd"
2266 vc1_crystalhd_decoder_select="crystalhd"
2267 vc1_dxva2_hwaccel_deps="dxva2"
2268 vc1_dxva2_hwaccel_select="vc1_decoder"
2269 vc1_vaapi_hwaccel_deps="vaapi"
2270 vc1_vaapi_hwaccel_select="vc1_decoder"
2271 vc1_vdpau_decoder_deps="vdpau"
2272 vc1_vdpau_decoder_select="vc1_decoder"
2273 vc1_vdpau_hwaccel_deps="vdpau"
2274 vc1_vdpau_hwaccel_select="vc1_decoder"
2275 wmv3_crystalhd_decoder_select="crystalhd"
2276 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2277 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2278 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2279 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2282 h264_parser_select="h264_decoder"
2283 hevc_parser_select="hevc_decoder"
2284 mpegvideo_parser_select="mpegvideo"
2285 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2286 vc1_parser_select="mpegvideo vc1_decoder"
2288 # external libraries
2289 libaacplus_encoder_deps="libaacplus"
2290 libcelt_decoder_deps="libcelt"
2291 libfaac_encoder_deps="libfaac"
2292 libfaac_encoder_select="audio_frame_queue"
2293 libfdk_aac_decoder_deps="libfdk_aac"
2294 libfdk_aac_encoder_deps="libfdk_aac"
2295 libfdk_aac_encoder_select="audio_frame_queue"
2296 libgme_demuxer_deps="libgme"
2297 libgsm_decoder_deps="libgsm"
2298 libgsm_encoder_deps="libgsm"
2299 libgsm_ms_decoder_deps="libgsm"
2300 libgsm_ms_encoder_deps="libgsm"
2301 libilbc_decoder_deps="libilbc"
2302 libilbc_encoder_deps="libilbc"
2303 libmodplug_demuxer_deps="libmodplug"
2304 libmp3lame_encoder_deps="libmp3lame"
2305 libmp3lame_encoder_select="audio_frame_queue"
2306 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2307 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2308 libopencore_amrnb_encoder_select="audio_frame_queue"
2309 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2310 libopenjpeg_decoder_deps="libopenjpeg"
2311 libopenjpeg_encoder_deps="libopenjpeg"
2312 libopus_decoder_deps="libopus"
2313 libopus_encoder_deps="libopus"
2314 libopus_encoder_select="audio_frame_queue"
2315 libquvi_demuxer_deps="libquvi"
2316 libschroedinger_decoder_deps="libschroedinger"
2317 libschroedinger_encoder_deps="libschroedinger"
2318 libshine_encoder_deps="libshine"
2319 libshine_encoder_select="audio_frame_queue"
2320 libspeex_decoder_deps="libspeex"
2321 libspeex_encoder_deps="libspeex"
2322 libspeex_encoder_select="audio_frame_queue"
2323 libstagefright_h264_decoder_deps="libstagefright_h264"
2324 libtheora_encoder_deps="libtheora"
2325 libtwolame_encoder_deps="libtwolame"
2326 libvo_aacenc_encoder_deps="libvo_aacenc"
2327 libvo_aacenc_encoder_select="audio_frame_queue"
2328 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2329 libvorbis_decoder_deps="libvorbis"
2330 libvorbis_encoder_deps="libvorbis"
2331 libvorbis_encoder_select="audio_frame_queue"
2332 libvpx_vp8_decoder_deps="libvpx"
2333 libvpx_vp8_encoder_deps="libvpx"
2334 libvpx_vp9_decoder_deps="libvpx"
2335 libvpx_vp9_encoder_deps="libvpx"
2336 libwavpack_encoder_deps="libwavpack"
2337 libwebp_encoder_deps="libwebp"
2338 libx264_encoder_deps="libx264"
2339 libx264rgb_encoder_deps="libx264"
2340 libx265_encoder_deps="libx265"
2341 libxavs_encoder_deps="libxavs"
2342 libxvid_encoder_deps="libxvid"
2343 libutvideo_decoder_deps="libutvideo"
2344 libutvideo_encoder_deps="libutvideo"
2345 libzvbi_teletext_decoder_deps="libzvbi"
2348 ac3_demuxer_select="ac3_parser"
2349 asf_demuxer_select="riffdec"
2350 asf_muxer_select="riffenc"
2351 asf_stream_muxer_select="asf_muxer"
2352 avi_demuxer_select="riffdec exif"
2353 avi_muxer_select="riffenc"
2354 avisynth_demuxer_deps="avisynth"
2355 avisynth_demuxer_select="riffdec"
2356 caf_demuxer_select="riffdec"
2357 dirac_demuxer_select="dirac_parser"
2358 dts_demuxer_select="dca_parser"
2359 dtshd_demuxer_select="dca_parser"
2360 dv_demuxer_select="dvprofile"
2361 dv_muxer_select="dvprofile"
2362 dxa_demuxer_select="riffdec"
2363 eac3_demuxer_select="ac3_parser"
2364 f4v_muxer_select="mov_muxer"
2365 flac_demuxer_select="flac_parser"
2366 hds_muxer_select="flv_muxer"
2367 hls_muxer_select="mpegts_muxer"
2368 image2_alias_pix_demuxer_select="image2_demuxer"
2369 image2_brender_pix_demuxer_select="image2_demuxer"
2370 ipod_muxer_select="mov_muxer"
2371 ismv_muxer_select="mov_muxer"
2372 libnut_demuxer_deps="libnut"
2373 libnut_muxer_deps="libnut"
2374 matroska_audio_muxer_select="matroska_muxer"
2375 matroska_demuxer_select="riffdec"
2376 matroska_demuxer_suggest="bzlib lzo zlib"
2377 matroska_muxer_select="riffenc"
2378 mmf_muxer_select="riffenc"
2379 mov_demuxer_select="riffdec"
2380 mov_demuxer_suggest="zlib"
2381 mov_muxer_select="riffenc rtpenc_chain"
2382 mp3_demuxer_select="mpegaudio_parser"
2383 mp4_muxer_select="mov_muxer"
2384 mpegts_muxer_select="adts_muxer latm_muxer"
2385 mpegtsraw_demuxer_select="mpegts_demuxer"
2386 mxf_d10_muxer_select="mxf_muxer"
2387 nut_muxer_select="riffenc"
2388 nuv_demuxer_select="riffdec"
2389 ogg_demuxer_select="golomb"
2390 psp_muxer_select="mov_muxer"
2391 rtp_demuxer_select="sdp_demuxer"
2392 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2393 rtsp_demuxer_select="http_protocol rtpdec"
2394 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2395 sap_demuxer_select="sdp_demuxer"
2396 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2397 sdp_demuxer_select="rtpdec"
2398 smoothstreaming_muxer_select="ismv_muxer"
2399 spdif_muxer_select="aac_parser"
2400 tak_demuxer_select="tak_parser"
2401 tg2_muxer_select="mov_muxer"
2402 tgp_muxer_select="mov_muxer"
2403 vobsub_demuxer_select="mpegps_demuxer"
2404 w64_demuxer_select="wav_demuxer"
2405 w64_muxer_select="wav_muxer"
2406 wav_demuxer_select="riffdec"
2407 wav_muxer_select="riffenc"
2408 webm_muxer_select="riffenc"
2409 wtv_demuxer_select="riffdec"
2410 wtv_muxer_select="riffenc"
2411 xmv_demuxer_select="riffdec"
2412 xwma_demuxer_select="riffdec"
2415 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2416 alsa_outdev_deps="alsa_asoundlib_h"
2417 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2418 avfoundation_indev_select="avfoundation"
2419 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2420 caca_outdev_deps="libcaca"
2421 decklink_outdev_deps="decklink pthreads"
2422 decklink_outdev_extralibs="-lstdc++"
2423 dshow_indev_deps="IBaseFilter"
2424 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2425 dv1394_indev_deps="dv1394"
2426 dv1394_indev_select="dv_demuxer"
2427 fbdev_indev_deps="linux_fb_h"
2428 fbdev_outdev_deps="linux_fb_h"
2429 gdigrab_indev_deps="CreateDIBSection"
2430 gdigrab_indev_extralibs="-lgdi32"
2431 gdigrab_indev_select="bmp_decoder"
2432 iec61883_indev_deps="libiec61883"
2433 jack_indev_deps="jack_jack_h sem_timedwait"
2434 lavfi_indev_deps="avfilter"
2435 libcdio_indev_deps="libcdio"
2436 libdc1394_indev_deps="libdc1394"
2437 libv4l2_indev_deps="libv4l2"
2438 openal_indev_deps="openal"
2439 opengl_outdev_deps="opengl"
2440 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2441 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2442 pulse_indev_deps="libpulse"
2443 pulse_outdev_deps="libpulse"
2444 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2445 qtkit_indev_select="qtkit"
2446 sdl_outdev_deps="sdl"
2447 sndio_indev_deps="sndio_h"
2448 sndio_outdev_deps="sndio_h"
2449 v4l_indev_deps="linux_videodev_h"
2450 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2451 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2452 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2453 vfwcap_indev_extralibs="-lavicap32"
2454 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2455 xv_outdev_extralibs="-lXv -lX11 -lXext"
2456 x11grab_indev_deps="x11grab"
2459 bluray_protocol_deps="libbluray"
2460 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2461 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2462 ffrtmpcrypt_protocol_select="tcp_protocol"
2463 ffrtmphttp_protocol_deps="!librtmp_protocol"
2464 ffrtmphttp_protocol_select="http_protocol"
2465 ftp_protocol_select="tcp_protocol"
2466 gopher_protocol_select="network"
2467 http_protocol_select="tcp_protocol"
2468 httpproxy_protocol_select="tcp_protocol"
2469 https_protocol_select="tls_protocol"
2470 librtmp_protocol_deps="librtmp"
2471 librtmpe_protocol_deps="librtmp"
2472 librtmps_protocol_deps="librtmp"
2473 librtmpt_protocol_deps="librtmp"
2474 librtmpte_protocol_deps="librtmp"
2475 libssh_protocol_deps="libssh"
2476 mmsh_protocol_select="http_protocol"
2477 mmst_protocol_select="network"
2478 rtmp_protocol_deps="!librtmp_protocol"
2479 rtmp_protocol_select="tcp_protocol"
2480 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2481 rtmps_protocol_deps="!librtmp_protocol"
2482 rtmps_protocol_select="tls_protocol"
2483 rtmpt_protocol_select="ffrtmphttp_protocol"
2484 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2485 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2486 rtp_protocol_select="udp_protocol"
2487 sctp_protocol_deps="struct_sctp_event_subscribe"
2488 sctp_protocol_select="network"
2489 srtp_protocol_select="rtp_protocol"
2490 tcp_protocol_select="network"
2491 tls_protocol_deps_any="openssl gnutls"
2492 tls_protocol_select="tcp_protocol"
2493 udp_protocol_select="network"
2494 unix_protocol_deps="sys_un_h"
2495 unix_protocol_select="network"
2498 aconvert_filter_deps="swresample"
2499 amovie_filter_deps="avcodec avformat"
2500 aresample_filter_deps="swresample"
2501 ass_filter_deps="libass"
2502 asyncts_filter_deps="avresample"
2503 atempo_filter_deps="avcodec"
2504 atempo_filter_select="rdft"
2505 azmq_filter_deps="libzmq"
2506 blackframe_filter_deps="gpl"
2507 boxblur_filter_deps="gpl"
2508 bs2b_filter_deps="libbs2b"
2509 colormatrix_filter_deps="gpl"
2510 cropdetect_filter_deps="gpl"
2511 dctdnoiz_filter_deps="avcodec"
2512 dctdnoiz_filter_select="dct"
2513 delogo_filter_deps="gpl"
2514 deshake_filter_deps="avcodec"
2515 deshake_filter_select="dsputil"
2516 drawtext_filter_deps="libfreetype"
2517 ebur128_filter_deps="gpl"
2518 flite_filter_deps="libflite"
2519 frei0r_filter_deps="frei0r dlopen"
2520 frei0r_filter_extralibs='$ldl'
2521 frei0r_src_filter_deps="frei0r dlopen"
2522 frei0r_src_filter_extralibs='$ldl'
2523 geq_filter_deps="gpl"
2524 histeq_filter_deps="gpl"
2525 hqdn3d_filter_deps="gpl"
2526 interlace_filter_deps="gpl"
2527 kerndeint_filter_deps="gpl"
2528 ladspa_filter_deps="ladspa dlopen"
2529 ladspa_filter_extralibs='$ldl'
2530 mcdeint_filter_deps="avcodec gpl"
2531 movie_filter_deps="avcodec avformat"
2532 mp_filter_deps="gpl avcodec swscale inline_asm"
2533 mpdecimate_filter_deps="gpl avcodec"
2534 mpdecimate_filter_select="dsputil pixblockdsp"
2535 mptestsrc_filter_deps="gpl"
2536 negate_filter_deps="lut_filter"
2537 perspective_filter_deps="gpl"
2538 ocv_filter_deps="libopencv"
2539 owdenoise_filter_deps="gpl"
2540 pan_filter_deps="swresample"
2541 phase_filter_deps="gpl"
2542 pp_filter_deps="gpl postproc"
2543 pullup_filter_deps="gpl"
2544 removelogo_filter_deps="avcodec avformat swscale"
2545 resample_filter_deps="avresample"
2546 sab_filter_deps="gpl swscale"
2547 scale_filter_deps="swscale"
2548 smartblur_filter_deps="gpl swscale"
2549 showspectrum_filter_deps="avcodec"
2550 showspectrum_filter_select="rdft"
2551 spp_filter_deps="gpl avcodec"
2552 spp_filter_select="dsputil fft idctdsp fdctdsp pixblockdsp"
2553 stereo3d_filter_deps="gpl"
2554 subtitles_filter_deps="avformat avcodec libass"
2555 super2xsai_filter_deps="gpl"
2556 tinterlace_filter_deps="gpl"
2557 vidstabdetect_filter_deps="libvidstab"
2558 vidstabtransform_filter_deps="libvidstab"
2559 pixfmts_super2xsai_test_deps="super2xsai_filter"
2560 tinterlace_merge_test_deps="tinterlace_filter"
2561 tinterlace_pad_test_deps="tinterlace_filter"
2562 zmq_filter_deps="libzmq"
2563 zoompan_filter_deps="swscale"
2566 avio_reading="avformat avcodec avutil"
2567 avcodec_example_deps="avcodec avutil"
2568 demuxing_decoding_example_deps="avcodec avformat avutil"
2569 filter_audio_example_deps="avfilter avutil"
2570 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2571 filtering_video_example_deps="avfilter avcodec avformat avutil"
2572 metadata_example_deps="avformat avutil"
2573 muxing_example_deps="avcodec avformat avutil swscale"
2574 remuxing_example_deps="avcodec avformat avutil"
2575 resampling_audio_example_deps="avutil swresample"
2576 scaling_video_example_deps="avutil swscale"
2577 transcode_aac_example_deps="avcodec avformat swresample"
2578 transcoding_example_deps="avfilter avcodec avformat avutil"
2580 # libraries, in linking order
2581 avcodec_deps="avutil"
2582 avdevice_deps="avformat avcodec avutil"
2583 avfilter_deps="avutil"
2584 avformat_deps="avcodec avutil"
2585 avresample_deps="avutil"
2586 postproc_deps="avutil gpl"
2587 swresample_deps="avutil"
2588 swscale_deps="avutil"
2591 ffmpeg_deps="avcodec avfilter avformat swresample"
2592 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2594 setpts_filter trim_filter"
2595 ffplay_deps="avcodec avformat swscale swresample sdl"
2596 ffplay_libs='$sdl_libs'
2597 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2598 ffprobe_deps="avcodec avformat"
2599 ffserver_deps="avformat fork sarestart"
2600 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2603 podpages_deps="perl"
2604 manpages_deps="perl pod2man"
2605 htmlpages_deps="perl texi2html"
2606 txtpages_deps="perl makeinfo"
2607 doc_deps_any="manpages htmlpages podpages txtpages"
2609 # default parameters
2611 logfile="config.log"
2613 # installation paths
2614 prefix_default="/usr/local"
2615 bindir_default='${prefix}/bin'
2616 datadir_default='${prefix}/share/ffmpeg'
2617 docdir_default='${prefix}/share/doc/ffmpeg'
2618 incdir_default='${prefix}/include'
2619 libdir_default='${prefix}/lib'
2620 mandir_default='${prefix}/share/man'
2621 shlibdir_default="$libdir_default"
2627 host_cc_default="gcc"
2629 doxygen_default="doxygen"
2634 pkg_config_default=pkg-config
2635 ranlib_default="ranlib"
2636 strip_default="strip"
2637 yasmexe_default="yasm"
2638 windres_default="windres"
2643 target_os_default=$(tolower $(uname -s))
2644 host_os=$target_os_default
2647 if test "$target_os_default" = aix; then
2648 arch_default=$(uname -p)
2649 strip_default="strip -X32_64"
2651 arch_default=$(uname -m)
2655 # configurable options
2656 enable $PROGRAM_LIST
2657 enable $DOCUMENT_LIST
2658 enable $EXAMPLE_LIST
2659 enable $(filter_out avresample $LIBRARY_LIST)
2665 enable optimizations
2666 enable runtime_cpudetect
2667 enable safe_bitstream_reader
2669 enable swscale_alpha
2671 sws_max_filter_size_default=256
2672 set_default sws_max_filter_size
2674 # Enable hwaccels by default.
2675 enable dxva2 vaapi vda vdpau xvmc
2679 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2682 FULLNAME='$(NAME)$(BUILDSUF)'
2683 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2686 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2687 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2688 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2689 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2690 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2691 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2713 host_cflags_filter=echo
2714 host_ldflags_filter=echo
2716 target_path='$(CURDIR)'
2718 # since the object filename is not given with the -MM flag, the compiler
2719 # is only able to print the basename, and we must add the path ourselves
2720 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2724 if test -f configure; then
2727 source_path=$(cd $(dirname "$0"); pwd)
2728 echo "$source_path" | grep -q '[[:blank:]]' &&
2729 die "Out of tree builds are impossible with whitespace in source path."
2730 test -e "$source_path/config.h" &&
2731 die "Out of tree builds are impossible with config.h in source dir."
2738 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2744 file=$source_path/$3
2745 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2748 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2749 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2750 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2751 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2752 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2753 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2754 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2755 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2756 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2757 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2758 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2774 for n in $COMPONENT_LIST; do
2775 v=$(toupper ${n%s})_LIST
2777 eval ${n}_if_any="\$$v"
2780 enable $ARCH_EXT_LIST
2783 echo "Unknown option \"$1\"."
2784 echo "See $0 --help for available options."
2789 cat | tr ' ' '\n' | sort | pr -r -3 -t
2795 echo $* | sed s/$suffix//g | print_3_columns
2807 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2808 echo "prob ${prob:-0.5}"
2816 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2817 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2827 add_extralibs $optval
2830 disable $INDEV_LIST $OUTDEV_LIST
2833 debuglevel="$optval"
2836 disable $PROGRAM_LIST
2838 --disable-everything)
2839 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2842 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2843 disable $LIBRARY_LIST $PROGRAM_LIST doc
2845 --enable-random|--disable-random)
2846 action=${opt%%-random}
2847 do_random ${action#--} $COMPONENT_LIST
2849 --enable-random=*|--disable-random=*)
2850 action=${opt%%-random=*}
2851 do_random ${action#--} $optval
2853 --enable-*=*|--disable-*=*)
2854 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2855 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2856 eval list=\$$(toupper $thing)_LIST
2857 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2858 list=$(filter "$name" $list)
2859 [ "$list" = "" ] && warn "Option $opt did not match anything"
2862 --enable-?*|--disable-?*)
2863 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2864 if is_in $option $COMPONENT_LIST; then
2865 test $action = disable && action=unset
2866 eval $action \$$(toupper ${option%s})_LIST
2867 elif is_in $option $CMDLINE_SELECT; then
2874 NAME="${opt#--list-}"
2875 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2877 eval show_list $NAME \$$(toupper $NAME)_LIST
2879 --help|-h) show_help
2881 --fatal-warnings) enable fatal_warnings
2884 optname="${opt%%=*}"
2885 optname="${optname#--}"
2886 optname=$(echo "$optname" | sed 's/-/_/g')
2887 if is_in $optname $CMDLINE_SET; then
2888 eval $optname='$optval'
2889 elif is_in $optname $CMDLINE_APPEND; then
2890 append $optname "$optval"
2898 disabled logging && logfile=/dev/null
2900 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2903 test -n "$cross_prefix" && enable cross_compile
2905 if enabled cross_compile; then
2906 test -n "$arch" && test -n "$target_os" ||
2907 die "Must specify target arch and OS when cross-compiling"
2910 ar_default="${cross_prefix}${ar_default}"
2911 cc_default="${cross_prefix}${cc_default}"
2912 cxx_default="${cross_prefix}${cxx_default}"
2913 nm_default="${cross_prefix}${nm_default}"
2914 pkg_config_default="${cross_prefix}${pkg_config_default}"
2915 ranlib_default="${cross_prefix}${ranlib_default}"
2916 strip_default="${cross_prefix}${strip_default}"
2917 windres_default="${cross_prefix}${windres_default}"
2919 sysinclude_default="${sysroot}/usr/include"
2921 test -n "$valgrind" && toolchain="valgrind-memcheck"
2923 case "$toolchain" in
2926 add_cflags -fsanitize=address
2927 add_ldflags -fsanitize=address
2931 add_cflags -fsanitize=thread -pie
2932 add_ldflags -fsanitize=thread -pie
2936 add_cflags -fsanitize=undefined
2937 add_ldflags -fsanitize=undefined
2941 add_cflags -fsanitize=address
2942 add_ldflags -fsanitize=address
2946 add_cflags -fsanitize=thread -pie -fPIC
2947 add_ldflags -fsanitize=thread -pie -fPIC
2951 add_cflags -fsanitize=undefined
2952 add_ldflags -fsanitize=undefined
2955 target_exec_default=${valgrind:-"valgrind"}
2956 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"
2959 target_exec_default=${valgrind:-"valgrind"}
2960 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2963 # Check whether the current MSVC version needs the C99 converter.
2964 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2965 # support enough of C99 to build ffmpeg. Default to the new
2966 # behaviour if the regexp was unable to match anything, since this
2967 # successfully parses the version number of existing supported
2968 # versions that require the converter (MSVC 2010 and 2012).
2969 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2970 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2973 cc_default="c99wrap cl"
2976 nm_default="dumpbin -symbols"
2978 target_os_default="win32"
2979 # Use a relative path for TMPDIR. This makes sure all the
2980 # ffconf temp files are written with a relative path, avoiding
2981 # issues with msys/win32 path conversion for MSVC parameters
2982 # such as -Fo<file> or -out:<file>.
2988 nm_default="dumpbin -symbols"
2990 target_os_default="win32"
2994 add_cflags -fprofile-arcs -ftest-coverage
2995 add_ldflags -fprofile-arcs -ftest-coverage
2998 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2999 add_ldflags -Wl,-z,relro -Wl,-z,now
3002 die "Unknown toolchain $toolchain"
3006 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3007 target_exec target_os yasmexe
3008 enabled cross_compile || host_cc_default=$cc
3011 if ! $pkg_config --version >/dev/null 2>&1; then
3012 warn "$pkg_config not found, library detection may fail."
3016 if test $doxygen != $doxygen_default && \
3017 ! $doxygen --version >/dev/null 2>&1; then
3018 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3023 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3027 EXESUF=$(exesuf $target_os)
3028 HOSTEXESUF=$(exesuf $host_os)
3030 # set temporary file name
3031 : ${TMPDIR:=$TEMPDIR}
3035 if [ -n "$tempprefix" ] ; then
3037 echo $tempprefix.${HOSTNAME}.${UID}
3039 elif ! check_cmd mktemp -u XXXXXX; then
3040 # simple replacement for missing mktemp
3041 # NOT SAFE FOR GENERAL USE
3043 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3048 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3049 (set -C; exec > $tmp) 2>/dev/null ||
3050 die "Unable to create temporary file in $TMPDIR."
3051 append TMPFILES $tmp
3055 trap 'rm -f -- $TMPFILES' EXIT
3060 tmpfile TMPE $EXESUF
3072 # make sure we can execute files in $TMPDIR
3073 cat > $TMPSH 2>> $logfile <<EOF
3076 chmod +x $TMPSH >> $logfile 2>&1
3077 if ! $TMPSH >> $logfile 2>&1; then
3079 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3080 variable to another directory and make sure that it is not mounted noexec.
3082 die "Sanity test failed."
3088 -std=c99) echo -c99 ;;
3089 -mcpu=*) echo -arch ${flag#*=} ;;
3090 -mieee) echo -ieee ;;
3091 -O*|-fast) echo $flag ;;
3092 -fno-math-errno) echo -assume nomath_errno ;;
3094 -Wall) echo -msg_enable level2 ;;
3095 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3096 -Wl,*) echo $flag ;;
3106 -Wno-switch) echo -Wno-switch-enum ;;
3107 -Wno-format-zero-length) ;;
3108 -Wdisabled-optimization) ;;
3109 -Wno-pointer-sign) echo -Wno-other ;;
3115 msvc_common_flags(){
3118 # In addition to specifying certain flags under the compiler
3119 # specific filters, they must be specified here as well or else the
3120 # generic catch all at the bottom will print the original flag.
3124 -fomit-frame-pointer) ;;
3128 -fno-signed-zeros) ;;
3132 -lz) echo zlib.lib ;;
3133 -lavifil32) echo vfw32.lib ;;
3134 -lavicap32) echo vfw32.lib user32.lib ;;
3135 -l*) echo ${flag#-l}.lib ;;
3142 msvc_common_flags "$@"
3145 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3146 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3147 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3155 msvc_common_flags "$@"
3158 # Despite what Intel's documentation says -Wall, which is supported
3159 # on Windows, does enable remarks so disable them here.
3160 -Wall) echo $flag -Qdiag-disable:remark ;;
3161 -std=c99) echo -Qstd=c99 ;;
3179 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3180 -fomit-frame-pointer) echo -Mnoframe ;;
3191 case "${flag#*=}" in
3192 native) echo -xtarget=native ;;
3193 v9|niagara) echo -xarch=sparc ;;
3194 ultrasparc) echo -xarch=sparcvis ;;
3195 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3196 i586|pentium) echo -xchip=pentium ;;
3197 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3198 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3199 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3200 pentium4*) echo -xtarget=pentium4 ;;
3201 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3202 *-sse3) echo -xarch=sse3 ;;
3203 core2) echo -xarch=ssse3 -xchip=core2 ;;
3204 bonnell) echo -xarch=ssse3 ;;
3205 corei7|nehalem) echo -xtarget=nehalem ;;
3206 westmere) echo -xtarget=westmere ;;
3207 silvermont) echo -xarch=sse4_2 ;;
3208 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3209 core-avx*|ivybridge|haswell|broadwell)
3211 amdfam10|barcelona) echo -xtarget=barcelona ;;
3212 btver1) echo -xarch=amdsse4a ;;
3213 btver2|bdver*) echo -xarch=avx ;;
3214 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3215 k8|opteron|athlon64|athlon-fx)
3216 echo -xarch=sse2a ;;
3217 athlon*) echo -xarch=pentium_proa ;;
3220 -std=c99) echo -xc99 ;;
3221 -fomit-frame-pointer) echo -xregs=frameptr ;;
3222 -fPIC) echo -KPIC -xcode=pic32 ;;
3223 -W*,*) echo $flag ;;
3224 -f*-*|-W*|-mimpure-text) ;;
3235 case "${flag#*=}" in
3236 armv7-a|cortex-a*) echo -mv=7a8 ;;
3237 armv7-r|cortex-r*) echo -mv=7r4 ;;
3238 armv7-m|cortex-m*) echo -mv=7m3 ;;
3239 armv6*|arm11*) echo -mv=6 ;;
3240 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3242 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3245 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3246 -mfpu=vfp) echo --float_support=vfpv2 ;;
3247 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3248 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3249 -msoft-float) echo --float_support=vfplib ;;
3250 -O[0-3]|-mf=*) echo $flag ;;
3252 -pds=*) echo $flag ;;
3253 -D*|-I*) echo $flag ;;
3254 --gcc|--abi=*) echo $flag ;;
3264 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3265 unset _ld_o _ldflags _ld_lib _ld_path
3266 unset _depflags _DEPCMD _DEPFLAGS
3269 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3270 true # no-op to avoid reading stdin in following checks
3271 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3273 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3274 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3275 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3278 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3280 gcc_version=$($_cc --version | head -n1)
3281 gcc_basever=$($_cc -dumpversion)
3282 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3283 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3284 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3285 if ! $_cc -dumpversion | grep -q '^2\.'; then
3286 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3290 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3292 _ident=$($_cc --version | head -n1)
3297 _flags_filter=icc_flags
3298 elif $_cc -v 2>&1 | grep -q xlc; then
3300 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3302 _cflags_size='-O5 -qcompact'
3303 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3305 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3307 _cflags_speed='-fast'
3309 _flags_filter=ccc_flags
3310 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3311 test -d "$sysroot" || die "No valid sysroot specified."
3313 _ident=$($_cc --vsn | head -n1 | sed 's/.*: //')
3314 armcc_conf="$PWD/armcc.conf"
3315 $_cc --arm_linux_configure \
3316 --arm_linux_config_file="$armcc_conf" \
3317 --configure_sysroot="$sysroot" \
3318 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3319 die "Error creating armcc configuration file."
3320 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3321 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3322 as_default="${cross_prefix}gcc"
3326 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3328 _ident=$($_cc -version | head -n1 | tr -s ' ')
3329 _flags='--gcc --abi=eabi -me'
3332 _depflags='-ppa -ppd=$(@:.o=.d)'
3333 _cflags_speed='-O3 -mf=5'
3334 _cflags_size='-O3 -mf=2'
3335 _flags_filter=tms470_flags
3336 elif $_cc -v 2>&1 | grep -q clang; then
3338 _ident=$($_cc --version | head -n1)
3339 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3342 elif $_cc -V 2>&1 | grep -q Sun; then
3344 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3345 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3346 _DEPFLAGS='-xM1 -xc99'
3349 _cflags_size='-O5 -xspace'
3350 _flags_filter=suncc_flags
3351 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3353 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3354 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3357 _flags_filter='filter_out -Wdisabled-optimization'
3358 elif $_cc -v 2>&1 | grep -q Open64; then
3360 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3361 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3364 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3365 elif $_cc -V 2>&1 | grep -q Portland; then
3367 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3368 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3369 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3370 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3372 _flags_filter=pgi_flags
3373 elif $_cc 2>&1 | grep -q Microsoft; then
3375 _ident=$($cc 2>&1 | head -n1)
3376 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3377 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3380 if $_cc 2>&1 | grep -q Linker; then
3387 _flags_filter=msvc_flags
3389 _ld_path='-libpath:'
3391 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3392 if [ $pfx = hostcc ]; then
3393 append _cflags -Dsnprintf=_snprintf
3396 elif $_cc 2>&1 | grep -q Intel; then
3398 _ident=$($cc 2>&1 | head -n1)
3399 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3400 # Not only is O3 broken on 13.x+ but it is slower on all previous
3401 # versions (tested) as well.
3403 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3404 if $_cc 2>&1 | grep -q Linker; then
3411 _flags_filter=icl_flags
3413 _ld_path='-libpath:'
3414 # -Qdiag-error to make icl error when seeing certain unknown arguments
3415 _flags='-nologo -Qdiag-error:4044,10157'
3416 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3417 # with MSVC which enables it by default.
3418 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3419 if [ $pfx = hostcc ]; then
3420 append _cflags -Dsnprintf=_snprintf
3422 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3424 _ident=$($_cc --version | head -n1)
3428 _flags_filter=cparser_flags
3431 eval ${pfx}_type=\$_type
3432 eval ${pfx}_ident=\$_ident
3436 eval ${1}_C=\${_cc_c-\${${1}_C}}
3437 eval ${1}_E=\${_cc_e-\${${1}_E}}
3438 eval ${1}_O=\${_cc_o-\${${1}_O}}
3440 if [ -n "$_depflags" ]; then
3441 eval ${1}_DEPFLAGS=\$_depflags
3443 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3444 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3445 eval DEP${1}FLAGS=\$_flags
3450 cflags_filter=$_flags_filter
3451 cflags_speed=$_cflags_speed
3452 cflags_size=$_cflags_size
3453 cflags_noopt=$_cflags_noopt
3454 add_cflags $_flags $_cflags
3455 cc_ldflags=$_ldflags
3458 probe_cc hostcc "$host_cc"
3459 host_cflags_filter=$_flags_filter
3460 add_host_cflags $_flags $_cflags
3463 test -n "$cc_type" && enable $cc_type ||
3464 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3466 : ${as_default:=$cc}
3467 : ${dep_cc_default:=$cc}
3468 : ${ld_default:=$cc}
3469 : ${host_ld_default:=$host_cc}
3470 set_default ar as dep_cc ld host_ld windres
3473 asflags_filter=$_flags_filter
3474 add_asflags $_flags $_cflags
3478 ldflags_filter=$_flags_filter
3479 add_ldflags $_flags $_ldflags
3480 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3482 LD_LIB=${_ld_lib-$LD_LIB}
3483 LD_PATH=${_ld_path-$LD_PATH}
3485 probe_cc hostld "$host_ld"
3486 host_ldflags_filter=$_flags_filter
3487 add_host_ldflags $_flags $_ldflags
3488 HOSTLD_O=${_ld_o-$HOSTLD_O}
3490 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3491 probe_cc depcc "$dep_cc"
3492 CCDEP=${_DEPCMD:-$DEPCMD}
3493 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3497 if $ar 2>&1 | grep -q Microsoft; then
3500 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3503 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3504 arflags='-Xany -r -c'
3511 add_cflags $extra_cflags
3512 add_cxxflags $extra_cxxflags
3513 add_asflags $extra_cflags
3515 if test -n "$sysroot"; then
3518 add_cppflags --sysroot="$sysroot"
3519 add_ldflags --sysroot="$sysroot"
3520 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3521 add_cppflags -isysroot "$sysroot"
3522 add_ldflags -isysroot "$sysroot"
3525 add_cppflags -I"$sysinclude"
3526 add_ldflags --sysroot="$sysroot"
3531 if test "$cpu" = host; then
3532 enabled cross_compile &&
3533 die "--cpu=host makes no sense when cross-compiling."
3538 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3540 s/.*$1=\\([^ ]*\\).*/\\1/
3545 cpu=$(check_native -march || check_native -mcpu)
3549 test "${cpu:-host}" = host &&
3550 die "--cpu=host not supported with compiler $cc"
3553 # Deal with common $arch aliases
3567 "Power Macintosh"|ppc*|powerpc*)
3582 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3587 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3590 # Add processor-specific flags
3591 if enabled aarch64; then
3595 cpuflags="-march=$cpu"
3598 cpuflags="-mcpu=$cpu"
3602 elif enabled alpha; then
3604 cpuflags="-mcpu=$cpu"
3606 elif enabled arm; then
3609 check_cpp_condition stddef.h \
3610 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3615 if check_arm_arch 4; then echo armv4;
3616 elif check_arm_arch 4T; then echo armv4t;
3617 elif check_arm_arch 5; then echo armv5;
3618 elif check_arm_arch 5E; then echo armv5e;
3619 elif check_arm_arch 5T; then echo armv5t;
3620 elif check_arm_arch 5TE; then echo armv5te;
3621 elif check_arm_arch 5TEJ; then echo armv5te;
3622 elif check_arm_arch 6; then echo armv6;
3623 elif check_arm_arch 6J; then echo armv6j;
3624 elif check_arm_arch 6K; then echo armv6k;
3625 elif check_arm_arch 6Z; then echo armv6z;
3626 elif check_arm_arch 6ZK; then echo armv6zk;
3627 elif check_arm_arch 6T2; then echo armv6t2;
3628 elif check_arm_arch 7; then echo armv7;
3629 elif check_arm_arch 7A 7_A; then echo armv7-a;
3630 elif check_arm_arch 7R 7_R; then echo armv7-r;
3631 elif check_arm_arch 7M 7_M; then echo armv7-m;
3632 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3633 elif check_arm_arch 8A 8_A; then echo armv8-a;
3637 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3641 cpuflags="-march=$cpu"
3642 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3645 cpuflags="-mcpu=$cpu"
3647 cortex-a*) subarch=armv7a ;;
3648 cortex-r*) subarch=armv7r ;;
3649 cortex-m*) enable thumb; subarch=armv7m ;;
3650 arm11*) subarch=armv6 ;;
3651 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3652 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3653 *) subarch=$(probe_arm_arch) ;;
3659 armv5t*) enable fast_clz ;;
3662 disabled fast_unaligned || enable fast_unaligned
3666 elif enabled avr32; then
3671 cpuflags="-mpart=$cpu"
3675 cpuflags="-march=$cpu"
3679 cpuflags="-mcpu=$cpu"
3683 cpuflags="-march=$cpu"
3687 elif enabled bfin; then
3689 cpuflags="-mcpu=$cpu"
3691 elif enabled mips; then
3693 cpuflags="-march=$cpu"
3709 24kef*|34kf*|1004kf*)
3717 elif enabled ppc; then
3722 case $(tolower $cpu) in
3723 601|ppc601|powerpc601)
3724 cpuflags="-mcpu=601"
3727 603*|ppc603*|powerpc603*)
3728 cpuflags="-mcpu=603"
3731 604*|ppc604*|powerpc604*)
3732 cpuflags="-mcpu=604"
3735 g3|75*|ppc75*|powerpc75*)
3736 cpuflags="-mcpu=750"
3739 g4|745*|ppc745*|powerpc745*)
3740 cpuflags="-mcpu=7450"
3742 74*|ppc74*|powerpc74*)
3743 cpuflags="-mcpu=7400"
3745 g5|970|ppc970|powerpc970)
3746 cpuflags="-mcpu=970"
3749 cpuflags="-mcpu=$cpu"
3752 cpuflags="-mcpu=cell"
3756 cpuflags="-mcpu=e500mc"
3760 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3765 cpuflags="-mcpu=8540 -mhard-float"
3771 elif enabled sparc; then
3774 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3775 cpuflags="-mcpu=$cpu"
3777 ultrasparc*|niagara[234])
3778 cpuflags="-mcpu=$cpu"
3782 elif enabled x86; then
3786 cpuflags="-march=$cpu"
3789 # targets that do NOT support nopl and conditional mov (cmov)
3790 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3791 cpuflags="-march=$cpu"
3794 # targets that do support nopl and conditional mov (cmov)
3795 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3796 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3797 cpuflags="-march=$cpu"
3801 # targets that do support conditional mov but on which it's slow
3802 pentium4|pentium4m|prescott|nocona)
3803 cpuflags="-march=$cpu"
3811 if [ "$cpu" != generic ]; then
3812 add_cflags $cpuflags
3813 add_asflags $cpuflags
3816 # compiler sanity check
3818 int main(void){ return 0; }
3820 if test "$?" != 0; then
3821 echo "$cc is unable to create an executable file."
3822 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3823 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3824 echo "Only do this if you know what cross compiling means."
3826 die "C compiler test failed."
3829 add_cppflags -D_ISOC99_SOURCE
3830 add_cxxflags -D__STDC_CONSTANT_MACROS
3831 check_cflags -std=c99
3832 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3835 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3839 add_host_cppflags -D_ISOC99_SOURCE
3840 check_host_cflags -std=c99
3841 check_host_cflags -Wall
3842 check_host_cflags -O3
3848 check_code cc "" "int test[2*($expr) - 1]" &&
3849 subarch=$arch64 || subarch=$arch32
3857 check_64bit mips mips64 '_MIPS_SIM > 1'
3861 check_64bit parisc parisc64 'sizeof(void *) > 4'
3865 check_64bit ppc ppc64 'sizeof(void *) > 4'
3869 check_64bit s390 s390x 'sizeof(void *) > 4'
3873 check_64bit sparc sparc64 'sizeof(void *) > 4'
3877 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3878 if test "$subarch" = "x86_64"; then
3883 check_cc <<EOF && subarch="ppc64"
3884 int test[(int)sizeof(char*) - 7];
3890 enabled spic && enable_weak pic
3896 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3897 enabled shared && add_ldflags -Wl,-brtl
3901 SLIB_INSTALL_NAME='$(SLIBNAME)'
3903 # soname not set on purpose
3907 prefix_default="/boot/common"
3908 network_extralibs="-lnetwork"
3912 SHFLAGS='-shared -Wl,-h,$$(@F)'
3913 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3914 network_extralibs="-lsocket -lnsl"
3915 # When using suncc to build, the Solaris linker will mark
3916 # an executable with each instruction set encountered by
3917 # the Solaris assembler. As our libraries contain their own
3918 # guards for processor-specific code, instead suppress
3919 # generation of the HWCAPS ELF section on Solaris x86 only.
3920 enabled_all suncc x86 &&
3921 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3922 add_ldflags -Wl,-M,mapfile
3923 nm_default='nm -P -g'
3927 oss_indev_extralibs="-lossaudio"
3928 oss_outdev_extralibs="-lossaudio"
3929 enabled gcc || check_ldflags -Wl,-zmuldefs
3934 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3936 oss_indev_extralibs="-lossaudio"
3937 oss_outdev_extralibs="-lossaudio"
3945 add_extralibs -lpoll -lgnugetopt
3949 test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}"
3950 enabled ppc && add_asflags -force_cpusubtype_ALL
3951 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3952 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3954 add_ldflags -Wl,-dynamic,-search_paths_first
3956 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3957 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3959 enabled x86_64 && objformat="macho64"
3960 enabled_any pic shared ||
3961 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3964 if test $target_os = "mingw32ce"; then
3970 if enabled x86_64; then
3971 LIBTARGET="i386:x86-64"
3972 elif enabled arm; then
3975 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3976 check_ldflags -Wl,--nxcompat
3977 check_ldflags -Wl,--dynamicbase
3978 shlibdir_default="$bindir_default"
3981 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3982 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3983 dlltool="${cross_prefix}dlltool"
3984 if check_cmd lib.exe -list; then
3985 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3986 if enabled x86_64; then
3989 elif check_cmd $dlltool --version; then
3990 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3992 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3994 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3995 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3996 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4003 if enabled shared; then
4004 # Link to the import library instead of the normal static library
4007 # Cannot build both shared and static libs with MSVC or icl.
4010 shlibdir_default="$bindir_default"
4013 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4014 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4015 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4016 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4018 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4019 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4020 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4027 shlibdir_default="$bindir_default"
4030 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4031 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4032 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4034 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4035 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4038 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4040 *-dos|freedos|opendos)
4041 network_extralibs="-lsocket"
4044 add_cppflags -U__STRICT_ANSI__
4051 ranlib="echo ignoring ranlib"
4057 add_cppflags -D_GNU_SOURCE
4058 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4059 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'