3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --enable-raise-major increase major version numbers in sonames [no]
113 --disable-programs do not build command line programs
114 --disable-ffmpeg disable ffmpeg build
115 --disable-ffplay disable ffplay build
116 --disable-ffprobe disable ffprobe build
117 --disable-ffserver disable ffserver build
119 Documentation options:
120 --disable-doc do not build documentation
121 --disable-htmlpages do not build HTML documentation pages
122 --disable-manpages do not build man documentation pages
123 --disable-podpages do not build POD documentation pages
124 --disable-txtpages do not build text documentation pages
127 --disable-avdevice disable libavdevice build
128 --disable-avcodec disable libavcodec build
129 --disable-avformat disable libavformat build
130 --disable-avutil disable libavutil build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [auto]
137 --disable-w32threads disable Win32 threads [auto]
138 --disable-os2threads disable OS/2 threads [auto]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
149 Hardware accelerators:
150 --disable-dxva2 disable DXVA2 code [autodetect]
151 --disable-vaapi disable VAAPI code [autodetect]
152 --disable-vda disable VDA code [autodetect]
153 --disable-vdpau disable VDPAU code [autodetect]
155 Individual component options:
156 --disable-everything disable all components listed below
157 --disable-encoder=NAME disable encoder NAME
158 --enable-encoder=NAME enable encoder NAME
159 --disable-encoders disable all encoders
160 --disable-decoder=NAME disable decoder NAME
161 --enable-decoder=NAME enable decoder NAME
162 --disable-decoders disable all decoders
163 --disable-hwaccel=NAME disable hwaccel NAME
164 --enable-hwaccel=NAME enable hwaccel NAME
165 --disable-hwaccels disable all hwaccels
166 --disable-muxer=NAME disable muxer NAME
167 --enable-muxer=NAME enable muxer NAME
168 --disable-muxers disable all muxers
169 --disable-demuxer=NAME disable demuxer NAME
170 --enable-demuxer=NAME enable demuxer NAME
171 --disable-demuxers disable all demuxers
172 --enable-parser=NAME enable parser NAME
173 --disable-parser=NAME disable parser NAME
174 --disable-parsers disable all parsers
175 --enable-bsf=NAME enable bitstream filter NAME
176 --disable-bsf=NAME disable bitstream filter NAME
177 --disable-bsfs disable all bitstream filters
178 --enable-protocol=NAME enable protocol NAME
179 --disable-protocol=NAME disable protocol NAME
180 --disable-protocols disable all protocols
181 --enable-indev=NAME enable input device NAME
182 --disable-indev=NAME disable input device NAME
183 --disable-indevs disable input devices
184 --enable-outdev=NAME enable output device NAME
185 --disable-outdev=NAME disable output device NAME
186 --disable-outdevs disable output devices
187 --disable-devices disable all devices
188 --enable-filter=NAME enable filter NAME
189 --disable-filter=NAME disable filter NAME
190 --disable-filters disable all filters
192 External library support:
193 --enable-avisynth enable reading of AviSynth script files [no]
194 --disable-bzlib disable bzlib [autodetect]
195 --enable-fontconfig enable fontconfig
196 --enable-frei0r enable frei0r video filtering
197 --enable-gnutls enable gnutls [no]
198 --disable-iconv disable iconv [autodetect]
199 --enable-ladspa enable LADSPA audio filtering
200 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
201 --enable-libass enable libass subtitles rendering [no]
202 --enable-libbluray enable BluRay reading using libbluray [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-libgme enable Game Music Emu via libgme [no]
213 --enable-libgsm enable GSM de/encoding via libgsm [no]
214 --enable-libiec61883 enable iec61883 via libiec61883 [no]
215 --enable-libilbc enable iLBC de/encoding via libilbc [no]
216 --enable-libmodplug enable ModPlug via libmodplug [no]
217 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
218 --enable-libnut enable NUT (de)muxing via libnut,
219 native (de)muxer exists [no]
220 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
221 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
222 --enable-libopencv enable video filtering via libopencv [no]
223 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
224 --enable-libopus enable Opus decoding via libopus [no]
225 --enable-libpulse enable Pulseaudio input via libpulse [no]
226 --enable-libquvi enable quvi input via libquvi [no]
227 --enable-librtmp enable RTMP[E] support via librtmp [no]
228 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
229 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
230 --enable-libsoxr enable Include libsoxr resampling [no]
231 --enable-libspeex enable Speex de/encoding via libspeex [no]
232 --enable-libssh enable SFTP protocol via libssh [no]
233 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
234 --enable-libtheora enable Theora encoding via libtheora [no]
235 --enable-libtwolame enable MP2 encoding via libtwolame [no]
236 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
237 --enable-libv4l2 enable libv4l2/v4l-utils [no]
238 --enable-libvidstab enable video stabilization using vid.stab [no]
239 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
240 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
241 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
242 native implementation exists [no]
243 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
244 --enable-libwavpack enable wavpack encoding via libwavpack [no]
245 --enable-libwebp enable WebP encoding via libwebp [no]
246 --enable-libx264 enable H.264 encoding via x264 [no]
247 --enable-libx265 enable HEVC encoding via x265 [no]
248 --enable-libxavs enable AVS encoding via xavs [no]
249 --enable-libxvid enable Xvid encoding via xvidcore,
250 native MPEG-4/Xvid encoder exists [no]
251 --enable-libzmq enable message passing via libzmq [no]
252 --enable-libzvbi enable teletext support via libzvbi [no]
253 --enable-decklink enable Blackmagick DeckLink output [no]
254 --enable-openal enable OpenAL 1.1 capture support [no]
255 --enable-opencl enable OpenCL code
256 --enable-opengl enable OpenGL rendering [no]
257 --enable-openssl enable openssl [no]
258 --enable-x11grab enable X11 grabbing [no]
259 --disable-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 [$target_os]
272 --target-exec=CMD command to run executables on target
273 --target-path=DIR path to view of build directory on target
274 --target-samples=DIR path to samples directory on target
275 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
276 --toolchain=NAME set tool defaults according to NAME
277 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
278 --nm=NM use nm tool NM [$nm_default]
279 --ar=AR use archive tool AR [$ar_default]
280 --as=AS use assembler AS [$as_default]
281 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
282 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
283 --cc=CC use C compiler CC [$cc_default]
284 --cxx=CXX use C compiler CXX [$cxx_default]
285 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
286 --ld=LD use linker LD [$ld_default]
287 --pkg-config=PKGCONF use pkg-config PKGCONF [$pkg_config_default]
288 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
289 --host-cc=HOSTCC use host C compiler HOSTCC
290 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
291 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
292 --host-ld=HOSTLD use host linker HOSTLD
293 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
294 --host-libs=HLIBS use libs HLIBS when linking for host
295 --host-os=OS compiler host OS [$target_os]
296 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
297 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
298 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
299 --extra-libs=ELIBS add ELIBS [$ELIBS]
300 --extra-version=STRING version string suffix []
301 --optflags=OPTFLAGS override optimization-related compiler flags
302 --build-suffix=SUFFIX library name suffix []
303 --enable-pic build position-independent code
304 --enable-thumb compile for Thumb instruction set
305 --enable-lto use link-time optimization
307 Advanced options (experts only):
308 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
309 --disable-symver disable symbol versioning
310 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
311 --disable-safe-bitstream-reader
312 disable buffer boundary checking in bitreaders
313 (faster, but may crash)
314 --enable-memalign-hack emulate memalign, interferes with memory debuggers
315 --enable-sram allow use of on-chip SRAM
317 Optimization options (experts only):
318 --disable-asm disable all assembler optimizations
319 --disable-altivec disable AltiVec optimizations
320 --disable-amd3dnow disable 3DNow! optimizations
321 --disable-amd3dnowext disable 3DNow! extended optimizations
322 --disable-mmx disable MMX optimizations
323 --disable-mmxext disable MMXEXT optimizations
324 --disable-sse disable SSE optimizations
325 --disable-sse2 disable SSE2 optimizations
326 --disable-sse3 disable SSE3 optimizations
327 --disable-ssse3 disable SSSE3 optimizations
328 --disable-sse4 disable SSE4 optimizations
329 --disable-sse42 disable SSE4.2 optimizations
330 --disable-avx disable AVX optimizations
331 --disable-xop disable XOP optimizations
332 --disable-fma3 disable FMA3 optimizations
333 --disable-fma4 disable FMA4 optimizations
334 --disable-avx2 disable AVX2 optimizations
335 --disable-armv5te disable armv5te optimizations
336 --disable-armv6 disable armv6 optimizations
337 --disable-armv6t2 disable armv6t2 optimizations
338 --disable-vfp disable VFP optimizations
339 --disable-neon disable NEON optimizations
340 --disable-inline-asm disable use of inline assembler
341 --disable-yasm disable use of yasm assembler
342 --disable-mips32r2 disable MIPS32R2 optimizations
343 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
344 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
345 --disable-mipsfpu disable floating point MIPS optimizations
346 --disable-fast-unaligned consider unaligned accesses slow
348 Developer options (useful when working on FFmpeg itself):
349 --disable-debug disable debugging symbols
350 --enable-debug=LEVEL set the debug level [$debuglevel]
351 --disable-optimizations disable compiler optimizations
352 --enable-extra-warnings enable more compiler warnings
353 --disable-stripping disable stripping of executables and shared libraries
354 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
355 2 causes a slowdown at runtime.
356 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
357 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
358 leaks and errors, using the specified valgrind binary.
359 Cannot be combined with --target-exec
360 --enable-ftrapv Trap arithmetic overflows
361 --samples=PATH location of test samples for FATE, if not set use
362 \$FATE_SAMPLES at make invocation time.
363 --enable-neon-clobber-test check NEON registers for clobbering (should be
364 used only for debugging purposes)
365 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
366 should be used only for debugging purposes)
367 --enable-random randomly enable/disable components
369 --enable-random=LIST randomly enable/disable specific components or
370 --disable-random=LIST component groups. LIST is a comma-separated list
371 of NAME[:PROB] entries where NAME is a component
372 (group) and PROB the probability associated with
374 --random-seed=VALUE seed value for --enable/disable-random
376 NOTE: Object files are built at the place where configure is launched.
384 echo "$@" >> $logfile
389 pr -n -t $1 >> $logfile
400 WARNINGS="${WARNINGS}WARNING: $*\n"
407 If you think configure made a mistake, make sure you are using the latest
408 version from Git. If the latest version fails, report the problem to the
409 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
411 if disabled logging; then
413 Rerun configure with logging enabled (do not use --disable-logging), and
414 include the log this produces with your report.
418 Include the log file "$logfile" produced by configure as this will help
425 # Avoid locale weirdness, besides we really just want to translate ASCII.
427 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
431 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
435 echo "$*" | sed 's/["\\]/\\\0/g'
439 v=$(echo "$1" | sed "s/'/'\\\\''/g")
440 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
445 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
452 eval "case $v in $pat) echo $v ;; esac"
460 eval "case $v in $pat) ;; *) echo $v ;; esac"
467 for v; do eval $m; done
473 for v; do echo ${v}${suffix}; done
488 eval : \${$var:=$value}
493 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
499 eval $(sanitize_var_name "$var")='$*'
503 eval echo \$$(sanitize_var_name "$1")
508 eval level=\${${pvar}_level:=0}
509 eval ${pvar}_${level}="\$$pvar"
510 eval ${pvar}_level=$(($level+1))
516 eval level=\${${pvar}_level:-0}
517 test $level = 0 && continue
518 eval level=$(($level-1))
519 eval $pvar="\${${pvar}_${level}}"
520 eval ${pvar}_level=$level
521 eval unset ${pvar}_${level}
543 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
549 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
555 enabled $var && continue
556 eval sel="\$${var}_select"
557 eval sgs="\$${var}_suggest"
561 enable_deep_weak $sgs
573 disabled $var && continue
582 test "${1#!}" = "$1" && op== || op=!=
583 eval test "x\$${1#!}" $op "xyes"
587 test "${1#!}" = "$1" && op== || op=!=
588 eval test "x\$${1#!}" $op "xno"
593 enabled $opt || return 1
599 disabled $opt || return 1
605 enabled $opt && return 0
611 disabled $opt && return 0
618 eval : \${$opt:=\$${opt}_default}
626 [ $var = $value ] && return 0
634 enabled ${cfg}_checking && die "Circular dependency for $cfg."
635 disabled ${cfg}_checking && continue
636 enable ${cfg}_checking
639 eval dep_all="\$${cfg}_deps"
640 eval dep_any="\$${cfg}_deps_any"
641 eval dep_sel="\$${cfg}_select"
642 eval dep_sgs="\$${cfg}_suggest"
643 eval dep_ifa="\$${cfg}_if"
644 eval dep_ifn="\$${cfg}_if_any"
646 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
647 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
648 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
650 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
651 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
652 enabled_all $dep_all || disable $cfg
653 enabled_any $dep_any || disable $cfg
654 disabled_any $dep_sel && disable $cfg
656 if enabled $cfg; then
658 enable_deep_weak $dep_sgs
661 disable ${cfg}_checking
670 for cfg in $allopts; do
671 enabled $cfg || continue
672 eval dep_extralibs="\$${cfg}_extralibs"
673 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
681 map 'eval echo "$v \${$v:-no}"' "$@" |
682 awk "BEGIN { split(\"$files\", files) }
684 c = \"$pfx\" toupper(\$1);
690 if (file ~ /\\.h\$/) {
691 printf(\"#define %s %d\\n\", c, v) >>file;
692 } else if (file ~ /\\.asm\$/) {
693 printf(\"%%define %s %d\\n\", c, v) >>file;
694 } else if (file ~ /\\.mak\$/) {
695 n = -v ? \"\" : \"!\";
696 printf(\"%s%s=yes\\n\", n, c) >>file;
697 } else if (file ~ /\\.texi\$/) {
698 pre = -v ? \"\" : \"@c \";
701 gsub(/_/, \"-\", c2);
702 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
712 enabled $v && printf "%s\n" ${v%$suf};
719 eval "$var=\"\$$var $*\""
725 eval "$var=\"$* \$$var\""
733 append CFLAGS $($cflags_filter "$@")
737 append CXXFLAGS $($cflags_filter "$@")
741 append ASFLAGS $($asflags_filter "$@")
745 append LDFLAGS $($ldflags_filter "$@")
749 append ASMSTRIPFLAGS "$@"
753 prepend extralibs $($ldflags_filter "$@")
757 append host_cppflags "$@"
761 append host_cflags $($host_cflags_filter "$@")
765 append host_ldflags $($host_ldflags_filter "$@")
769 append compat_objs $1
771 map 'add_cppflags -D$v' "$@"
776 "$@" >> $logfile 2>&1
781 stat "$1" >> $logfile 2>&1
785 eval printf '%s\\n' $CC_O
789 eval printf '%s\\n' $CC_E
796 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
803 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
810 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
817 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
821 eval printf '%s\\n' $AS_O
828 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
832 log check_inline_asm "$@"
837 check_cc "$@" <<EOF && enable $name
838 void foo(void){ __asm__ volatile($code); }
844 check_inline_asm ${1}_inline "\"$2\""
845 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
853 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
857 eval printf '%s\\n' $LD_O
864 flags=$(filter_out '-l*|*.so' $@)
865 libs=$(filter '-l*|*.so' $@)
866 check_$type $($cflags_filter $flags) || return
867 flags=$($ldflags_filter $flags)
868 libs=$($ldflags_filter $libs)
869 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
874 test "${hdr%.h}" = "${hdr}" &&
875 echo "#include $hdr" ||
876 echo "#include <$hdr>"
886 for hdr in $headers; do
889 echo "int main(void) { $code; return 0; }"
890 } | check_$check "$@"
894 log check_cppflags "$@"
895 check_cc "$@" <<EOF && append CPPFLAGS "$@"
902 set -- $($cflags_filter "$@")
909 log check_cflags "$@"
910 test_cflags "$@" && add_cflags "$@"
914 log check_cxxflags "$@"
915 set -- $($cflags_filter "$@")
916 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
922 log test_ldflags "$@"
923 check_ld "cc" "$@" <<EOF
924 int main(void){ return 0; }
929 log check_ldflags "$@"
930 test_ldflags "$@" && add_ldflags "$@"
934 log test_stripflags "$@"
935 # call check_cc to get a fresh TMPO
937 int main(void) { return 0; }
939 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
943 log check_stripflags "$@"
944 test_stripflags "$@" && add_stripflags "$@"
948 log check_header "$@"
952 check_cpp "$@" <<EOF && enable_safe $header
959 log check_header_oc "$@"
965 echo "#include <$header>"
966 echo "int main(void) { return 0; }"
967 } | check_oc && check_stat "$TMPO" && enable_safe $headers
975 check_ld "cc" "$@" <<EOF && enable $func
977 int main(void){ $func(); }
982 log check_mathfunc "$@"
986 test $narg = 2 && args="f, g" || args="f"
988 check_ld "cc" "$@" <<EOF && enable $func
990 float foo(float f, float g) { return $func($args); }
991 int main(void){ return (int) foo; }
995 check_func_headers(){
996 log check_func_headers "$@"
1001 for hdr in $headers; do
1004 for func in $funcs; do
1005 echo "long check_$func(void) { return (long) $func; }"
1007 echo "int main(void) { return 0; }"
1008 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1011 check_class_headers_cpp(){
1012 log check_class_headers_cpp "$@"
1017 for hdr in $headers; do
1018 echo "#include <$hdr>"
1020 echo "int main(void) { "
1022 for class in $classes; do
1023 echo "$class obj$i;"
1027 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1030 check_cpp_condition(){
1031 log check_cpp_condition "$@"
1035 check_cpp "$@" <<EOF
1038 #error "unsatisfied condition: $condition"
1048 check_header $header && check_func $func "$@" && add_extralibs "$@"
1056 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1060 log check_lib_cpp "$@"
1064 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1068 log check_pkg_config "$@"
1074 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1075 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1076 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1077 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1078 set_safe ${pkg}_cflags $pkg_cflags &&
1079 set_safe ${pkg}_libs $pkg_libs
1083 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1089 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1090 # are safe but may not be available everywhere. Thus we use
1091 # raise(SIGTERM) instead. The check is run in a subshell so we
1092 # can redirect the "Terminated" message from the shell. SIGBUS
1093 # is not defined by standard C so it is used conditionally.
1095 (check_exec "$@") >> $logfile 2>&1 <<EOF
1097 static void sighandler(int sig){
1103 int (*func_ptr)(void) = foo;
1105 signal(SIGILL, sighandler);
1106 signal(SIGFPE, sighandler);
1107 signal(SIGSEGV, sighandler);
1109 signal(SIGBUS, sighandler);
1121 disable_safe "$type"
1122 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1126 log check_struct "$@"
1131 disable_safe "${struct}_${member}"
1132 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1133 enable_safe "${struct}_${member}"
1137 log check_builtin "$@"
1143 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1146 check_compile_assert(){
1147 log check_compile_assert "$@"
1153 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1161 check_lib $header $func "$@" || die "ERROR: $name not found"
1169 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1177 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1180 require_pkg_config(){
1182 check_pkg_config "$@" || die "ERROR: $pkg not found"
1183 add_cflags $(get_safe ${pkg}_cflags)
1184 add_extralibs $(get_safe ${pkg}_libs)
1187 require_libfreetype(){
1188 log require_libfreetype "$@"
1190 check_cmd $pkg_config --exists --print-errors $pkg \
1191 || die "ERROR: $pkg not found"
1192 pkg_cflags=$($pkg_config --cflags $pkg)
1193 pkg_libs=$($pkg_config --libs $pkg)
1195 echo "#include <ft2build.h>"
1196 echo "#include FT_FREETYPE_H"
1197 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1198 echo "int main(void) { return 0; }"
1199 } | check_ld "cc" $pkg_cflags $pkg_libs \
1200 && set_safe ${pkg}_cflags $pkg_cflags \
1201 && set_safe ${pkg}_libs $pkg_libs \
1202 || die "ERROR: $pkg not found"
1203 add_cflags $(get_safe ${pkg}_cflags)
1204 add_extralibs $(get_safe ${pkg}_libs)
1208 eval printf '%s\\n' $HOSTCC_E
1212 eval printf '%s\\n' $HOSTCC_O
1216 log check_host_cc "$@"
1219 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1223 log check_host_cpp "$@"
1226 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1229 check_host_cppflags(){
1230 log check_host_cppflags "$@"
1231 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1236 check_host_cflags(){
1237 log check_host_cflags "$@"
1238 set -- $($host_cflags_filter "$@")
1239 check_host_cc "$@" <<EOF && append host_cflags "$@"
1244 check_host_cpp_condition(){
1245 log check_host_cpp_condition "$@"
1249 check_host_cpp "$@" <<EOF
1252 #error "unsatisfied condition: $condition"
1260 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1264 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1265 mkdir -p "$(dirname $2)"
1269 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1270 # system-dependent things.
1287 avio_reading_example
1289 demuxing_decoding_example
1290 filter_audio_example
1291 filtering_audio_example
1292 filtering_video_example
1296 resampling_audio_example
1297 scaling_video_example
1298 transcode_aac_example
1302 EXTERNAL_LIBRARY_LIST="
1383 safe_bitstream_reader
1441 $EXTERNAL_LIBRARY_LIST
1448 incompatible_libav_abi
1449 incompatible_fork_abi
1509 ARCH_EXT_LIST_MIPS="
1516 ARCH_EXT_LIST_X86_SIMD="
1542 $ARCH_EXT_LIST_X86_SIMD
1571 sync_val_compare_and_swap
1582 incompatible_libav_abi
1583 incompatible_fork_abi
1592 cdio_paranoia_paranoia_h
1594 dev_bktr_ioctl_bt848_h
1595 dev_bktr_ioctl_meteor_h
1597 dev_video_bktr_ioctl_bt848_h
1598 dev_video_meteor_ioctl_meteor_h
1606 machine_ioctl_bt848_h
1607 machine_ioctl_meteor_h
1609 openjpeg_1_5_openjpeg_h
1670 GetProcessAffinityMask
1671 GetProcessMemoryInfo
1675 GetSystemTimeAsFileTime
1681 jack_port_get_latency_range
1696 SetConsoleTextAttribute
1708 TOOLCHAIN_FEATURES="
1718 inline_asm_nonlocal_labels
1719 inline_asm_direct_symbol_refs
1732 struct_group_source_req
1733 struct_ip_mreq_source
1736 struct_rusage_ru_maxrss
1737 struct_sctp_event_subscribe
1739 struct_sockaddr_sa_len
1740 struct_sockaddr_storage
1741 struct_stat_st_mtim_tv_nsec
1742 struct_v4l2_frmivalenum_discrete
1747 $(add_suffix _external $ARCH_EXT_LIST)
1748 $(add_suffix _inline $ARCH_EXT_LIST)
1775 # options emitted with CONFIG_ prefix but not available on the command line
1783 frame_thread_encoder
1890 # code dependency declarations
1892 # architecture extensions
1897 armv8_deps="aarch64"
1898 neon_deps_any="aarch64 arm"
1899 vfp_deps_any="aarch64 arm"
1902 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1905 mips32r2_deps="mips"
1906 mipsdspr1_deps="mips"
1907 mipsdspr2_deps="mips"
1913 x86_64_select="i686"
1914 x86_64_suggest="fast_cmov"
1917 amd3dnowext_deps="amd3dnow"
1933 mmx_external_deps="yasm"
1934 mmx_inline_deps="inline_asm"
1935 mmx_suggest="mmx_external mmx_inline"
1937 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1938 eval dep=\$${ext}_deps
1939 eval ${ext}_external_deps='"${dep}_external"'
1940 eval ${ext}_inline_deps='"${dep}_inline"'
1941 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1944 aligned_stack_if_any="aarch64 ppc x86"
1945 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1946 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1947 fast_unaligned_if_any="aarch64 ppc x86"
1949 need_memalign="altivec neon sse"
1951 # system capabilities
1952 log2_deps="!libc_msvcrt"
1954 symver_if_any="symver_asm_label symver_gnu_asm"
1957 atomics_gcc_if="sync_val_compare_and_swap"
1958 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1959 atomics_win32_if="MemoryBarrier"
1960 atomics_native_if_any="$ATOMICS_LIST"
1961 w32threads_deps="atomics_native"
1962 threads_if_any="$THREADS_LIST"
1966 error_resilience_select="dsputil"
1967 frame_thread_encoder_deps="encoders threads"
1970 mpegaudio_select="mpegaudiodsp"
1971 mpegaudiodsp_select="dct"
1972 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1973 mpegvideoenc_select="dsputil mpegvideo"
1975 # decoders / encoders
1976 aac_decoder_select="mdct sinewin"
1977 aac_encoder_select="audio_frame_queue mdct sinewin"
1978 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1979 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1980 ac3_fixed_decoder_select="mdct ac3dsp ac3_parser dsputil"
1981 ac3_encoder_select="mdct ac3dsp dsputil"
1982 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1983 aic_decoder_select="dsputil golomb"
1984 alac_encoder_select="lpc"
1985 als_decoder_select="dsputil"
1986 amrnb_decoder_select="lsp"
1987 amrwb_decoder_select="lsp"
1988 amv_decoder_select="sp5x_decoder exif"
1989 amv_encoder_select="aandcttables"
1990 ape_decoder_select="dsputil"
1991 asv1_decoder_select="dsputil"
1992 asv1_encoder_select="dsputil"
1993 asv2_decoder_select="dsputil"
1994 asv2_encoder_select="dsputil"
1995 atrac1_decoder_select="mdct sinewin"
1996 atrac3_decoder_select="mdct"
1997 atrac3p_decoder_select="mdct sinewin"
1998 avrn_decoder_select="exif"
1999 bink_decoder_select="dsputil hpeldsp"
2000 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
2001 binkaudio_rdft_decoder_select="mdct rdft sinewin"
2002 cavs_decoder_select="dsputil golomb h264chroma videodsp"
2003 cllc_decoder_select="dsputil"
2004 comfortnoise_encoder_select="lpc"
2005 cook_decoder_select="dsputil mdct sinewin"
2006 cscd_decoder_select="lzo"
2007 cscd_decoder_suggest="zlib"
2008 dca_decoder_select="mdct"
2009 dirac_decoder_select="dsputil dwt golomb videodsp"
2010 dnxhd_decoder_select="dsputil"
2011 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
2012 dvvideo_decoder_select="dsputil"
2013 dvvideo_encoder_select="dsputil"
2014 dxa_decoder_select="zlib"
2015 eac3_decoder_select="ac3_decoder"
2016 eac3_encoder_select="ac3_encoder"
2017 eamad_decoder_select="aandcttables dsputil mpegvideo"
2018 eatgq_decoder_select="aandcttables"
2019 eatqi_decoder_select="aandcttables dsputil error_resilience mpegvideo"
2020 exr_decoder_select="zlib"
2021 ffv1_decoder_select="golomb rangecoder"
2022 ffv1_encoder_select="rangecoder"
2023 ffvhuff_decoder_select="huffyuv_decoder"
2024 ffvhuff_encoder_select="huffyuv_encoder"
2025 fic_decoder_select="dsputil golomb"
2026 flac_decoder_select="golomb"
2027 flac_encoder_select="dsputil golomb lpc"
2028 flashsv_decoder_select="zlib"
2029 flashsv_encoder_select="zlib"
2030 flashsv2_encoder_select="zlib"
2031 flashsv2_decoder_select="zlib"
2032 flv_decoder_select="h263_decoder"
2033 flv_encoder_select="h263_encoder"
2034 fourxm_decoder_select="dsputil"
2035 fraps_decoder_select="dsputil huffman"
2036 g2m_decoder_select="dsputil zlib"
2037 g729_decoder_select="dsputil"
2038 h261_decoder_select="error_resilience mpegvideo"
2039 h261_encoder_select="aandcttables mpegvideoenc"
2040 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
2041 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2042 h263i_decoder_select="h263_decoder"
2043 h263p_encoder_select="h263_encoder"
2044 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2045 h264_decoder_suggest="error_resilience"
2046 hevc_decoder_select="cabac dsputil golomb videodsp"
2047 huffyuv_decoder_select="dsputil llviddsp"
2048 huffyuv_encoder_select="dsputil huffman llviddsp"
2049 iac_decoder_select="imc_decoder"
2050 imc_decoder_select="dsputil fft mdct sinewin"
2051 indeo3_decoder_select="hpeldsp"
2052 interplay_video_decoder_select="hpeldsp"
2053 jpegls_decoder_select="golomb mjpeg_decoder"
2054 jpegls_encoder_select="golomb"
2055 jv_decoder_select="dsputil"
2056 lagarith_decoder_select="dsputil"
2057 ljpeg_encoder_select="aandcttables mpegvideoenc"
2058 loco_decoder_select="golomb"
2059 mdec_decoder_select="dsputil error_resilience mpegvideo"
2060 metasound_decoder_select="lsp mdct sinewin"
2061 mimic_decoder_select="dsputil hpeldsp"
2062 mjpeg_decoder_select="dsputil hpeldsp exif"
2063 mjpeg_encoder_select="aandcttables mpegvideoenc"
2064 mjpegb_decoder_select="mjpeg_decoder"
2065 mlp_decoder_select="mlp_parser"
2066 motionpixels_decoder_select="dsputil"
2067 mp1_decoder_select="mpegaudio"
2068 mp1float_decoder_select="mpegaudio"
2069 mp2_decoder_select="mpegaudio"
2070 mp2float_decoder_select="mpegaudio"
2071 mp3_decoder_select="mpegaudio"
2072 mp3adu_decoder_select="mpegaudio"
2073 mp3adufloat_decoder_select="mpegaudio"
2074 mp3float_decoder_select="mpegaudio"
2075 mp3on4_decoder_select="mpegaudio"
2076 mp3on4float_decoder_select="mpegaudio"
2077 mpc7_decoder_select="dsputil mpegaudiodsp"
2078 mpc8_decoder_select="mpegaudiodsp"
2079 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2080 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2081 mpeg1video_decoder_select="error_resilience mpegvideo"
2082 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2083 mpeg2video_decoder_select="error_resilience mpegvideo"
2084 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2085 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2086 mpeg4_encoder_select="h263_encoder"
2087 msmpeg4v1_decoder_select="h263_decoder"
2088 msmpeg4v2_decoder_select="h263_decoder"
2089 msmpeg4v2_encoder_select="h263_encoder"
2090 msmpeg4v3_decoder_select="h263_decoder"
2091 msmpeg4v3_encoder_select="h263_encoder"
2092 mss2_decoder_select="error_resilience vc1_decoder"
2093 mxpeg_decoder_select="mjpeg_decoder"
2094 nellymoser_decoder_select="mdct sinewin"
2095 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2096 nuv_decoder_select="dsputil lzo"
2097 png_decoder_select="zlib"
2098 png_encoder_select="dsputil zlib"
2099 prores_decoder_select="dsputil"
2100 prores_encoder_select="dsputil"
2101 qcelp_decoder_select="lsp"
2102 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2103 ra_144_encoder_select="audio_frame_queue lpc"
2104 ralf_decoder_select="golomb"
2105 rawvideo_decoder_select="dsputil"
2106 rtjpeg_decoder_select="dsputil"
2107 rv10_decoder_select="error_resilience h263_decoder h263dsp"
2108 rv10_encoder_select="h263_encoder"
2109 rv20_decoder_select="error_resilience h263_decoder h263dsp"
2110 rv20_encoder_select="h263_encoder"
2111 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2112 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2113 shorten_decoder_select="golomb"
2114 sipr_decoder_select="lsp"
2115 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2116 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2117 sonic_decoder_select="golomb rangecoder"
2118 sonic_encoder_select="golomb rangecoder"
2119 sonic_ls_encoder_select="golomb"
2120 sp5x_decoder_select="mjpeg_decoder"
2121 svq1_decoder_select="hpeldsp"
2122 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2123 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2124 svq3_decoder_suggest="zlib"
2125 tak_decoder_select="dsputil"
2126 theora_decoder_select="vp3_decoder"
2127 thp_decoder_select="mjpeg_decoder"
2128 tiff_decoder_suggest="zlib"
2129 tiff_encoder_suggest="zlib"
2130 truehd_decoder_select="mlp_parser"
2131 truemotion2_decoder_select="dsputil"
2132 truespeech_decoder_select="dsputil"
2133 tscc_decoder_select="zlib"
2134 twinvq_decoder_select="mdct lsp sinewin"
2135 utvideo_decoder_select="dsputil"
2136 utvideo_encoder_select="dsputil huffman"
2137 vble_decoder_select="dsputil"
2138 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
2139 vc1image_decoder_select="vc1_decoder"
2140 vorbis_decoder_select="mdct"
2141 vorbis_encoder_select="mdct"
2142 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2143 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2144 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2145 vp6a_decoder_select="vp6_decoder"
2146 vp6f_decoder_select="vp6_decoder"
2147 vp7_decoder_select="h264pred videodsp"
2148 vp8_decoder_select="h264pred videodsp"
2149 vp9_decoder_select="videodsp"
2150 webp_decoder_select="vp8_decoder"
2151 wmapro_decoder_select="mdct sinewin"
2152 wmav1_decoder_select="mdct sinewin"
2153 wmav1_encoder_select="mdct sinewin"
2154 wmav2_decoder_select="mdct sinewin"
2155 wmav2_encoder_select="mdct sinewin"
2156 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2157 wmv1_decoder_select="h263_decoder"
2158 wmv1_encoder_select="h263_encoder"
2159 wmv2_decoder_select="h263_decoder intrax8 videodsp"
2160 wmv2_encoder_select="h263_encoder"
2161 wmv3_decoder_select="vc1_decoder"
2162 wmv3image_decoder_select="wmv3_decoder"
2163 zerocodec_decoder_select="zlib"
2164 zlib_decoder_select="zlib"
2165 zlib_encoder_select="zlib"
2166 zmbv_decoder_select="zlib"
2167 zmbv_encoder_select="zlib"
2169 # hardware accelerators
2170 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2171 dxva2_deps="dxva2api_h"
2172 vaapi_deps="va_va_h"
2173 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2174 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2175 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2176 xvmc_deps="X11_extensions_XvMClib_h"
2178 h263_vaapi_hwaccel_deps="vaapi"
2179 h263_vaapi_hwaccel_select="h263_decoder"
2180 h263_vdpau_hwaccel_deps="vdpau"
2181 h263_vdpau_hwaccel_select="h263_decoder"
2182 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2183 h264_dxva2_hwaccel_deps="dxva2"
2184 h264_dxva2_hwaccel_select="h264_decoder"
2185 h264_vaapi_hwaccel_deps="vaapi"
2186 h264_vaapi_hwaccel_select="h264_decoder"
2187 h264_vda_decoder_deps="vda"
2188 h264_vda_decoder_select="h264_decoder"
2189 h264_vda_hwaccel_deps="vda"
2190 h264_vda_hwaccel_select="h264_decoder"
2191 h264_vdpau_decoder_deps="vdpau"
2192 h264_vdpau_decoder_select="h264_decoder"
2193 h264_vdpau_hwaccel_deps="vdpau"
2194 h264_vdpau_hwaccel_select="h264_decoder"
2195 mpeg_vdpau_decoder_deps="vdpau"
2196 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2197 mpeg_xvmc_hwaccel_deps="xvmc"
2198 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2199 mpeg1_vdpau_decoder_deps="vdpau"
2200 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2201 mpeg1_vdpau_hwaccel_deps="vdpau"
2202 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2203 mpeg1_xvmc_hwaccel_deps="xvmc"
2204 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2205 mpeg2_crystalhd_decoder_select="crystalhd"
2206 mpeg2_dxva2_hwaccel_deps="dxva2"
2207 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2208 mpeg2_vaapi_hwaccel_deps="vaapi"
2209 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2210 mpeg2_vdpau_hwaccel_deps="vdpau"
2211 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2212 mpeg2_xvmc_hwaccel_deps="xvmc"
2213 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2214 mpeg4_crystalhd_decoder_select="crystalhd"
2215 mpeg4_vaapi_hwaccel_deps="vaapi"
2216 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2217 mpeg4_vdpau_decoder_deps="vdpau"
2218 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2219 mpeg4_vdpau_hwaccel_deps="vdpau"
2220 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2221 msmpeg4_crystalhd_decoder_select="crystalhd"
2222 vc1_crystalhd_decoder_select="crystalhd"
2223 vc1_dxva2_hwaccel_deps="dxva2"
2224 vc1_dxva2_hwaccel_select="vc1_decoder"
2225 vc1_vaapi_hwaccel_deps="vaapi"
2226 vc1_vaapi_hwaccel_select="vc1_decoder"
2227 vc1_vdpau_decoder_deps="vdpau"
2228 vc1_vdpau_decoder_select="vc1_decoder"
2229 vc1_vdpau_hwaccel_deps="vdpau"
2230 vc1_vdpau_hwaccel_select="vc1_decoder"
2231 wmv3_crystalhd_decoder_select="crystalhd"
2232 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2233 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2234 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2235 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2238 h264_parser_select="h264_decoder"
2239 hevc_parser_select="hevc_decoder"
2240 mpeg4video_parser_select="error_resilience h263dsp mpegvideo"
2241 mpegvideo_parser_select="error_resilience mpegvideo"
2242 vc1_parser_select="mpegvideo"
2244 # external libraries
2245 libaacplus_encoder_deps="libaacplus"
2246 libcelt_decoder_deps="libcelt"
2247 libfaac_encoder_deps="libfaac"
2248 libfaac_encoder_select="audio_frame_queue"
2249 libfdk_aac_decoder_deps="libfdk_aac"
2250 libfdk_aac_encoder_deps="libfdk_aac"
2251 libfdk_aac_encoder_select="audio_frame_queue"
2252 libgme_demuxer_deps="libgme"
2253 libgsm_decoder_deps="libgsm"
2254 libgsm_encoder_deps="libgsm"
2255 libgsm_ms_decoder_deps="libgsm"
2256 libgsm_ms_encoder_deps="libgsm"
2257 libilbc_decoder_deps="libilbc"
2258 libilbc_encoder_deps="libilbc"
2259 libmodplug_demuxer_deps="libmodplug"
2260 libmp3lame_encoder_deps="libmp3lame"
2261 libmp3lame_encoder_select="audio_frame_queue"
2262 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2263 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2264 libopencore_amrnb_encoder_select="audio_frame_queue"
2265 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2266 libopenjpeg_decoder_deps="libopenjpeg"
2267 libopenjpeg_encoder_deps="libopenjpeg"
2268 libopus_decoder_deps="libopus"
2269 libopus_encoder_deps="libopus"
2270 libopus_encoder_select="audio_frame_queue"
2271 libquvi_demuxer_deps="libquvi"
2272 libschroedinger_decoder_deps="libschroedinger"
2273 libschroedinger_encoder_deps="libschroedinger"
2274 libshine_encoder_deps="libshine"
2275 libshine_encoder_select="audio_frame_queue"
2276 libspeex_decoder_deps="libspeex"
2277 libspeex_encoder_deps="libspeex"
2278 libspeex_encoder_select="audio_frame_queue"
2279 libstagefright_h264_decoder_deps="libstagefright_h264"
2280 libtheora_encoder_deps="libtheora"
2281 libtwolame_encoder_deps="libtwolame"
2282 libvo_aacenc_encoder_deps="libvo_aacenc"
2283 libvo_aacenc_encoder_select="audio_frame_queue"
2284 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2285 libvorbis_decoder_deps="libvorbis"
2286 libvorbis_encoder_deps="libvorbis"
2287 libvorbis_encoder_select="audio_frame_queue"
2288 libvpx_vp8_decoder_deps="libvpx"
2289 libvpx_vp8_encoder_deps="libvpx"
2290 libvpx_vp9_decoder_deps="libvpx"
2291 libvpx_vp9_encoder_deps="libvpx"
2292 libwavpack_encoder_deps="libwavpack"
2293 libwebp_encoder_deps="libwebp"
2294 libx264_encoder_deps="libx264"
2295 libx264rgb_encoder_deps="libx264"
2296 libx265_encoder_deps="libx265"
2297 libxavs_encoder_deps="libxavs"
2298 libxvid_encoder_deps="libxvid"
2299 libutvideo_decoder_deps="libutvideo"
2300 libutvideo_encoder_deps="libutvideo"
2301 libzvbi_teletext_decoder_deps="libzvbi"
2304 ac3_demuxer_select="ac3_parser"
2305 asf_demuxer_select="riffdec"
2306 asf_muxer_select="riffenc"
2307 asf_stream_muxer_select="asf_muxer"
2308 avi_demuxer_select="riffdec exif"
2309 avi_muxer_select="riffenc"
2310 avisynth_demuxer_deps="avisynth"
2311 avisynth_demuxer_select="riffdec"
2312 caf_demuxer_select="riffdec"
2313 dirac_demuxer_select="dirac_parser"
2314 dts_demuxer_select="dca_parser"
2315 dtshd_demuxer_select="dca_parser"
2316 dxa_demuxer_select="riffdec"
2317 eac3_demuxer_select="ac3_parser"
2318 f4v_muxer_select="mov_muxer"
2319 flac_demuxer_select="flac_parser"
2320 hds_muxer_select="flv_muxer"
2321 hls_muxer_select="mpegts_muxer"
2322 ipod_muxer_select="mov_muxer"
2323 ismv_muxer_select="mov_muxer"
2324 libnut_demuxer_deps="libnut"
2325 libnut_muxer_deps="libnut"
2326 matroska_audio_muxer_select="matroska_muxer"
2327 matroska_demuxer_select="riffdec"
2328 matroska_demuxer_suggest="bzlib lzo zlib"
2329 matroska_muxer_select="riffenc"
2330 mmf_muxer_select="riffenc"
2331 mov_demuxer_select="riffdec"
2332 mov_demuxer_suggest="zlib"
2333 mov_muxer_select="riffenc rtpenc_chain"
2334 mp3_demuxer_select="mpegaudio_parser"
2335 mp4_muxer_select="mov_muxer"
2336 mpegts_muxer_select="adts_muxer latm_muxer"
2337 mpegtsraw_demuxer_select="mpegts_demuxer"
2338 mxf_d10_muxer_select="mxf_muxer"
2339 nut_muxer_select="riffenc"
2340 nuv_demuxer_select="riffdec"
2341 ogg_demuxer_select="golomb"
2342 psp_muxer_select="mov_muxer"
2343 rtp_demuxer_select="sdp_demuxer"
2344 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2345 rtsp_demuxer_select="http_protocol rtpdec"
2346 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2347 sap_demuxer_select="sdp_demuxer"
2348 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2349 sdp_demuxer_select="rtpdec"
2350 smoothstreaming_muxer_select="ismv_muxer"
2351 spdif_muxer_select="aac_parser"
2352 tak_demuxer_select="tak_parser"
2353 tg2_muxer_select="mov_muxer"
2354 tgp_muxer_select="mov_muxer"
2355 vobsub_demuxer_select="mpegps_demuxer"
2356 w64_demuxer_select="wav_demuxer"
2357 w64_muxer_select="wav_muxer"
2358 wav_demuxer_select="riffdec"
2359 wav_muxer_select="riffenc"
2360 webm_muxer_select="riffenc"
2361 wtv_demuxer_select="riffdec"
2362 wtv_muxer_select="riffenc"
2363 xmv_demuxer_select="riffdec"
2364 xwma_demuxer_select="riffdec"
2367 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2368 alsa_outdev_deps="alsa_asoundlib_h"
2369 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2370 avfoundation_indev_select="avfoundation"
2371 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2372 caca_outdev_deps="libcaca"
2373 decklink_outdev_deps="decklink pthreads"
2374 decklink_outdev_extralibs="-lstdc++"
2375 dshow_indev_deps="IBaseFilter"
2376 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2377 dv1394_indev_deps="dv1394"
2378 dv1394_indev_select="dv_demuxer"
2379 fbdev_indev_deps="linux_fb_h"
2380 fbdev_outdev_deps="linux_fb_h"
2381 gdigrab_indev_deps="CreateDIBSection"
2382 gdigrab_indev_extralibs="-lgdi32"
2383 gdigrab_indev_select="bmp_decoder"
2384 iec61883_indev_deps="libiec61883"
2385 jack_indev_deps="jack_jack_h sem_timedwait"
2386 lavfi_indev_deps="avfilter"
2387 libcdio_indev_deps="libcdio"
2388 libdc1394_indev_deps="libdc1394"
2389 libv4l2_indev_deps="libv4l2"
2390 openal_indev_deps="openal"
2391 opengl_outdev_deps="opengl"
2392 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2393 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2394 pulse_indev_deps="libpulse"
2395 pulse_outdev_deps="libpulse"
2396 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2397 qtkit_indev_select="qtkit"
2398 sdl_outdev_deps="sdl"
2399 sndio_indev_deps="sndio_h"
2400 sndio_outdev_deps="sndio_h"
2401 v4l_indev_deps="linux_videodev_h"
2402 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2403 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2404 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2405 vfwcap_indev_extralibs="-lavicap32"
2406 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2407 xv_outdev_extralibs="-lXv -lX11 -lXext"
2408 x11grab_indev_deps="x11grab"
2411 bluray_protocol_deps="libbluray"
2412 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2413 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2414 ffrtmpcrypt_protocol_select="tcp_protocol"
2415 ffrtmphttp_protocol_deps="!librtmp_protocol"
2416 ffrtmphttp_protocol_select="http_protocol"
2417 ftp_protocol_select="tcp_protocol"
2418 gopher_protocol_select="network"
2419 http_protocol_select="tcp_protocol"
2420 httpproxy_protocol_select="tcp_protocol"
2421 https_protocol_select="tls_protocol"
2422 librtmp_protocol_deps="librtmp"
2423 librtmpe_protocol_deps="librtmp"
2424 librtmps_protocol_deps="librtmp"
2425 librtmpt_protocol_deps="librtmp"
2426 librtmpte_protocol_deps="librtmp"
2427 libssh_protocol_deps="libssh"
2428 mmsh_protocol_select="http_protocol"
2429 mmst_protocol_select="network"
2430 rtmp_protocol_deps="!librtmp_protocol"
2431 rtmp_protocol_select="tcp_protocol"
2432 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2433 rtmps_protocol_deps="!librtmp_protocol"
2434 rtmps_protocol_select="tls_protocol"
2435 rtmpt_protocol_select="ffrtmphttp_protocol"
2436 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2437 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2438 rtp_protocol_select="udp_protocol"
2439 sctp_protocol_deps="struct_sctp_event_subscribe"
2440 sctp_protocol_select="network"
2441 srtp_protocol_select="rtp_protocol"
2442 tcp_protocol_select="network"
2443 tls_protocol_deps_any="openssl gnutls"
2444 tls_protocol_select="tcp_protocol"
2445 udp_protocol_select="network"
2446 unix_protocol_deps="sys_un_h"
2447 unix_protocol_select="network"
2450 aconvert_filter_deps="swresample"
2451 amovie_filter_deps="avcodec avformat"
2452 aresample_filter_deps="swresample"
2453 ass_filter_deps="libass"
2454 asyncts_filter_deps="avresample"
2455 atempo_filter_deps="avcodec"
2456 atempo_filter_select="rdft"
2457 azmq_filter_deps="libzmq"
2458 blackframe_filter_deps="gpl"
2459 boxblur_filter_deps="gpl"
2460 colormatrix_filter_deps="gpl"
2461 cropdetect_filter_deps="gpl"
2462 dctdnoiz_filter_deps="avcodec"
2463 dctdnoiz_filter_select="dct"
2464 delogo_filter_deps="gpl"
2465 deshake_filter_deps="avcodec"
2466 deshake_filter_select="dsputil"
2467 drawtext_filter_deps="libfreetype"
2468 ebur128_filter_deps="gpl"
2469 flite_filter_deps="libflite"
2470 frei0r_filter_deps="frei0r dlopen"
2471 frei0r_filter_extralibs='$ldl'
2472 frei0r_src_filter_deps="frei0r dlopen"
2473 frei0r_src_filter_extralibs='$ldl'
2474 geq_filter_deps="gpl"
2475 histeq_filter_deps="gpl"
2476 hqdn3d_filter_deps="gpl"
2477 interlace_filter_deps="gpl"
2478 kerndeint_filter_deps="gpl"
2479 ladspa_filter_deps="ladspa dlopen"
2480 mcdeint_filter_deps="avcodec gpl"
2481 movie_filter_deps="avcodec avformat"
2482 mp_filter_deps="gpl avcodec swscale inline_asm"
2483 mpdecimate_filter_deps="gpl avcodec"
2484 mptestsrc_filter_deps="gpl"
2485 negate_filter_deps="lut_filter"
2486 perspective_filter_deps="gpl"
2487 ocv_filter_deps="libopencv"
2488 owdenoise_filter_deps="gpl"
2489 pan_filter_deps="swresample"
2490 phase_filter_deps="gpl"
2491 pp_filter_deps="gpl postproc"
2492 pullup_filter_deps="gpl"
2493 removelogo_filter_deps="avcodec avformat swscale"
2494 resample_filter_deps="avresample"
2495 sab_filter_deps="gpl swscale"
2496 scale_filter_deps="swscale"
2497 smartblur_filter_deps="gpl swscale"
2498 showspectrum_filter_deps="avcodec"
2499 showspectrum_filter_select="rdft"
2500 spp_filter_deps="gpl avcodec"
2501 spp_filter_select="fft"
2502 stereo3d_filter_deps="gpl"
2503 subtitles_filter_deps="avformat avcodec libass"
2504 super2xsai_filter_deps="gpl"
2505 tinterlace_filter_deps="gpl"
2506 vidstabdetect_filter_deps="libvidstab"
2507 vidstabtransform_filter_deps="libvidstab"
2508 pixfmts_super2xsai_test_deps="super2xsai_filter"
2509 tinterlace_merge_test_deps="tinterlace_filter"
2510 tinterlace_pad_test_deps="tinterlace_filter"
2511 zmq_filter_deps="libzmq"
2514 avio_reading="avformat avcodec avutil"
2515 avcodec_example_deps="avcodec avutil"
2516 demuxing_decoding_example_deps="avcodec avformat avutil"
2517 filter_audio_example_deps="avfilter avutil"
2518 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2519 filtering_video_example_deps="avfilter avcodec avformat avutil"
2520 metadata_example_deps="avformat avutil"
2521 muxing_example_deps="avcodec avformat avutil swscale"
2522 remuxing_example_deps="avcodec avformat avutil"
2523 resampling_audio_example_deps="avutil swresample"
2524 scaling_video_example_deps="avutil swscale"
2525 transcode_aac_example_deps="avcodec avformat swresample"
2526 transcoding_example_deps="avfilter avcodec avformat avutil"
2529 avcodec_deps="avutil"
2530 avdevice_deps="avutil avcodec avformat"
2531 avfilter_deps="avutil"
2532 avformat_deps="avutil avcodec"
2533 avresample_deps="avutil"
2534 postproc_deps="avutil gpl"
2535 swscale_deps="avutil"
2538 ffmpeg_deps="avcodec avfilter avformat swresample"
2539 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2541 setpts_filter trim_filter"
2542 ffplay_deps="avcodec avformat swscale swresample sdl"
2543 ffplay_libs='$sdl_libs'
2544 ffplay_select="rdft crop_filter"
2545 ffprobe_deps="avcodec avformat"
2546 ffserver_deps="avformat fork sarestart"
2547 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2550 podpages_deps="perl"
2551 manpages_deps="perl pod2man"
2552 htmlpages_deps="perl texi2html"
2553 txtpages_deps="perl makeinfo"
2554 doc_deps_any="manpages htmlpages podpages txtpages"
2556 # default parameters
2558 logfile="config.log"
2560 # installation paths
2561 prefix_default="/usr/local"
2562 bindir_default='${prefix}/bin'
2563 datadir_default='${prefix}/share/ffmpeg'
2564 docdir_default='${prefix}/share/doc/ffmpeg'
2565 incdir_default='${prefix}/include'
2566 libdir_default='${prefix}/lib'
2567 mandir_default='${prefix}/share/man'
2568 shlibdir_default="$libdir_default"
2574 host_cc_default="gcc"
2580 pkg_config_default=pkg-config
2582 strip_default="strip"
2583 yasmexe_default="yasm"
2584 windres_default="windres"
2589 target_os_default=$(tolower $(uname -s))
2590 host_os=$target_os_default
2593 if test "$target_os_default" = aix; then
2594 arch_default=$(uname -p)
2596 arch_default=$(uname -m)
2600 # configurable options
2601 enable $PROGRAM_LIST
2602 enable $DOCUMENT_LIST
2603 enable $EXAMPLE_LIST
2604 enable $(filter_out avresample $LIBRARY_LIST)
2610 enable optimizations
2611 enable runtime_cpudetect
2612 enable safe_bitstream_reader
2614 enable swscale_alpha
2616 # Enable hwaccels by default.
2617 enable dxva2 vaapi vda vdpau xvmc
2621 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2624 FULLNAME='$(NAME)$(BUILDSUF)'
2625 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2628 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2629 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2630 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2631 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2632 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2633 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2655 host_cflags_filter=echo
2656 host_ldflags_filter=echo
2658 target_path='$(CURDIR)'
2660 # since the object filename is not given with the -MM flag, the compiler
2661 # is only able to print the basename, and we must add the path ourselves
2662 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2666 if test -f configure; then
2669 source_path=$(cd $(dirname "$0"); pwd)
2670 echo "$source_path" | grep -q '[[:blank:]]' &&
2671 die "Out of tree builds are impossible with whitespace in source path."
2672 test -e "$source_path/config.h" &&
2673 die "Out of tree builds are impossible with config.h in source dir."
2680 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2686 file=$source_path/$3
2687 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2690 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2691 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2692 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2693 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2694 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2695 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2696 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2697 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2698 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2699 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2700 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2716 for n in $COMPONENT_LIST; do
2717 v=$(toupper ${n%s})_LIST
2719 eval ${n}_if_any="\$$v"
2722 enable $ARCH_EXT_LIST
2725 echo "Unknown option \"$1\"."
2726 echo "See $0 --help for available options."
2731 cat | tr ' ' '\n' | sort | pr -r -3 -t
2737 echo $* | sed s/$suffix//g | print_3_columns
2749 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2750 echo "prob ${prob:-0.5}"
2758 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2759 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2769 add_extralibs $optval
2772 disable $INDEV_LIST $OUTDEV_LIST
2775 debuglevel="$optval"
2778 disable $PROGRAM_LIST
2780 --disable-everything)
2781 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2784 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2785 disable $LIBRARY_LIST $PROGRAM_LIST doc
2787 --enable-random|--disable-random)
2788 action=${opt%%-random}
2789 do_random ${action#--} $COMPONENT_LIST
2791 --enable-random=*|--disable-random=*)
2792 action=${opt%%-random=*}
2793 do_random ${action#--} $optval
2795 --enable-*=*|--disable-*=*)
2796 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2797 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2798 eval list=\$$(toupper $thing)_LIST
2799 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2800 list=$(filter "$name" $list)
2801 [ "$list" = "" ] && warn "Option $opt did not match anything"
2804 --enable-?*|--disable-?*)
2805 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2806 if is_in $option $COMPONENT_LIST; then
2807 test $action = disable && action=unset
2808 eval $action \$$(toupper ${option%s})_LIST
2809 elif is_in $option $CMDLINE_SELECT; then
2816 NAME="${opt#--list-}"
2817 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2819 eval show_list $NAME \$$(toupper $NAME)_LIST
2821 --help|-h) show_help
2823 --fatal-warnings) enable fatal_warnings
2826 optname="${opt%%=*}"
2827 optname="${optname#--}"
2828 optname=$(echo "$optname" | sed 's/-/_/g')
2829 if is_in $optname $CMDLINE_SET; then
2830 eval $optname='$optval'
2831 elif is_in $optname $CMDLINE_APPEND; then
2832 append $optname "$optval"
2840 disabled logging && logfile=/dev/null
2842 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2845 test -n "$cross_prefix" && enable cross_compile
2847 if enabled cross_compile; then
2848 test -n "$arch" && test -n "$target_os" ||
2849 die "Must specify target arch and OS when cross-compiling"
2852 ar_default="${cross_prefix}${ar_default}"
2853 cc_default="${cross_prefix}${cc_default}"
2854 cxx_default="${cross_prefix}${cxx_default}"
2855 nm_default="${cross_prefix}${nm_default}"
2856 pkg_config_default="${cross_prefix}${pkg_config_default}"
2857 ranlib="${cross_prefix}${ranlib}"
2858 strip_default="${cross_prefix}${strip_default}"
2859 windres_default="${cross_prefix}${windres_default}"
2861 sysinclude_default="${sysroot}/usr/include"
2863 test -n "$valgrind" && toolchain="valgrind-memcheck"
2865 case "$toolchain" in
2868 add_cflags -fsanitize=address
2869 add_ldflags -fsanitize=address
2873 add_cflags -fsanitize=thread -pie
2874 add_ldflags -fsanitize=thread -pie
2878 add_cflags -fsanitize=undefined
2879 add_ldflags -fsanitize=undefined
2883 add_cflags -fsanitize=address
2884 add_ldflags -fsanitize=address
2888 add_cflags -fsanitize=thread -pie -fPIC
2889 add_ldflags -fsanitize=thread -pie -fPIC
2893 add_cflags -fsanitize=undefined
2894 add_ldflags -fsanitize=undefined
2897 target_exec_default=${valgrind:-"valgrind"}
2898 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"
2901 target_exec_default=${valgrind:-"valgrind"}
2902 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2905 # Check whether the current MSVC version needs the C99 converter.
2906 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2907 # support enough of C99 to build ffmpeg. Default to the new
2908 # behaviour if the regexp was unable to match anything, since this
2909 # successfully parses the version number of existing supported
2910 # versions that require the converter (MSVC 2010 and 2012).
2911 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2912 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2915 cc_default="c99wrap cl"
2918 nm_default="dumpbin -symbols"
2920 target_os_default="win32"
2921 # Use a relative path for TMPDIR. This makes sure all the
2922 # ffconf temp files are written with a relative path, avoiding
2923 # issues with msys/win32 path conversion for MSVC parameters
2924 # such as -Fo<file> or -out:<file>.
2930 nm_default="dumpbin -symbols"
2932 target_os_default="win32"
2936 add_cflags -fprofile-arcs -ftest-coverage
2937 add_ldflags -fprofile-arcs -ftest-coverage
2940 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2941 add_ldflags -Wl,-z,relro -Wl,-z,now
2944 die "Unknown toolchain $toolchain"
2948 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2949 enabled cross_compile || host_cc_default=$cc
2952 if ! $pkg_config --version >/dev/null 2>&1; then
2953 warn "$pkg_config not found, library detection may fail."
2959 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2963 EXESUF=$(exesuf $target_os)
2964 HOSTEXESUF=$(exesuf $host_os)
2966 # set temporary file name
2967 : ${TMPDIR:=$TEMPDIR}
2971 if [ -n "$tempprefix" ] ; then
2973 echo $tempprefix.${HOSTNAME}.${UID}
2975 elif ! check_cmd mktemp -u XXXXXX; then
2976 # simple replacement for missing mktemp
2977 # NOT SAFE FOR GENERAL USE
2979 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2984 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2985 (set -C; exec > $tmp) 2>/dev/null ||
2986 die "Unable to create temporary file in $TMPDIR."
2987 append TMPFILES $tmp
2991 trap 'rm -f -- $TMPFILES' EXIT
2996 tmpfile TMPE $EXESUF
3008 # make sure we can execute files in $TMPDIR
3009 cat > $TMPSH 2>> $logfile <<EOF
3012 chmod +x $TMPSH >> $logfile 2>&1
3013 if ! $TMPSH >> $logfile 2>&1; then
3015 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3016 variable to another directory and make sure that it is not mounted noexec.
3018 die "Sanity test failed."
3024 -std=c99) echo -c99 ;;
3025 -mcpu=*) echo -arch ${flag#*=} ;;
3026 -mieee) echo -ieee ;;
3027 -O*|-fast) echo $flag ;;
3028 -fno-math-errno) echo -assume nomath_errno ;;
3030 -Wall) echo -msg_enable level2 ;;
3031 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3032 -Wl,*) echo $flag ;;
3042 -Wno-switch) echo -Wno-switch-enum ;;
3043 -Wno-format-zero-length) ;;
3044 -Wdisabled-optimization) ;;
3045 -Wno-pointer-sign) echo -Wno-other ;;
3051 msvc_common_flags(){
3054 # In addition to specifying certain flags under the compiler
3055 # specific filters, they must be specified here as well or else the
3056 # generic catch all at the bottom will print the original flag.
3060 -fomit-frame-pointer) ;;
3064 -fno-signed-zeros) ;;
3068 -lz) echo zlib.lib ;;
3069 -lavifil32) echo vfw32.lib ;;
3070 -lavicap32) echo vfw32.lib user32.lib ;;
3071 -l*) echo ${flag#-l}.lib ;;
3078 msvc_common_flags "$@"
3081 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3082 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3083 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3091 msvc_common_flags "$@"
3094 # Despite what Intel's documentation says -Wall, which is supported
3095 # on Windows, does enable remarks so disable them here.
3096 -Wall) echo $flag -Qdiag-disable:remark ;;
3097 -std=c99) echo -Qstd=c99 ;;
3105 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3106 -fomit-frame-pointer) echo -Mnoframe ;;
3117 case "${flag#*=}" in
3118 native) echo -xtarget=native ;;
3119 v9|niagara) echo -xarch=sparc ;;
3120 ultrasparc) echo -xarch=sparcvis ;;
3121 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3122 i586|pentium) echo -xchip=pentium ;;
3123 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3124 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3125 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3126 pentium4*) echo -xtarget=pentium4 ;;
3127 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3128 *-sse3) echo -xarch=sse3 ;;
3129 core2) echo -xarch=ssse3 -xchip=core2 ;;
3130 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3131 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3132 amdfam10|barcelona) echo -xtarget=barcelona ;;
3133 bdver*) echo -xarch=avx ;;
3134 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3135 k8|opteron|athlon64|athlon-fx)
3136 echo -xarch=sse2a ;;
3137 athlon*) echo -xarch=pentium_proa ;;
3140 -std=c99) echo -xc99 ;;
3141 -fomit-frame-pointer) echo -xregs=frameptr ;;
3142 -fPIC) echo -KPIC -xcode=pic32 ;;
3143 -W*,*) echo $flag ;;
3144 -f*-*|-W*|-mimpure-text) ;;
3155 case "${flag#*=}" in
3156 armv7-a|cortex-a*) echo -mv=7a8 ;;
3157 armv7-r|cortex-r*) echo -mv=7r4 ;;
3158 armv7-m|cortex-m*) echo -mv=7m3 ;;
3159 armv6*|arm11*) echo -mv=6 ;;
3160 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3162 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3165 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3166 -mfpu=vfp) echo --float_support=vfpv2 ;;
3167 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3168 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3169 -msoft-float) echo --float_support=vfplib ;;
3170 -O[0-3]|-mf=*) echo $flag ;;
3172 -pds=*) echo $flag ;;
3173 -D*|-I*) echo $flag ;;
3174 --gcc|--abi=*) echo $flag ;;
3184 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3185 unset _ld_o _ldflags _ld_lib _ld_path
3186 unset _depflags _DEPCMD _DEPFLAGS
3189 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3190 true # no-op to avoid reading stdin in following checks
3191 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3193 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3194 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3195 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3198 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3200 gcc_version=$($_cc --version | head -n1)
3201 gcc_basever=$($_cc -dumpversion)
3202 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3203 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3204 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3205 if ! $_cc -dumpversion | grep -q '^2\.'; then
3206 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3210 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3212 _ident=$($_cc --version | head -n1)
3217 elif $_cc -v 2>&1 | grep -q xlc; then
3219 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3221 _cflags_size='-O5 -qcompact'
3222 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3224 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3226 _cflags_speed='-fast'
3228 _flags_filter=ccc_flags
3229 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM C/C[+][+] Compiler|Component: ARM Compiler "; then
3230 test -d "$sysroot" || die "No valid sysroot specified."
3232 _ident=$($_cc --vsn | head -n1)
3233 armcc_conf="$PWD/armcc.conf"
3234 $_cc --arm_linux_configure \
3235 --arm_linux_config_file="$armcc_conf" \
3236 --configure_sysroot="$sysroot" \
3237 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3238 die "Error creating armcc configuration file."
3239 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3240 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3241 as_default="${cross_prefix}gcc"
3245 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3247 _ident=$($_cc -version | head -n1 | tr -s ' ')
3248 _flags='--gcc --abi=eabi -me'
3251 _depflags='-ppa -ppd=$(@:.o=.d)'
3252 _cflags_speed='-O3 -mf=5'
3253 _cflags_size='-O3 -mf=2'
3254 _flags_filter=tms470_flags
3255 elif $_cc -v 2>&1 | grep -q clang; then
3257 _ident=$($_cc --version | head -n1)
3258 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3261 elif $_cc -V 2>&1 | grep -q Sun; then
3263 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3264 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3265 _DEPFLAGS='-xM1 -xc99'
3268 _cflags_size='-O5 -xspace'
3269 _flags_filter=suncc_flags
3270 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3272 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3273 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3276 _flags_filter='filter_out -Wdisabled-optimization'
3277 elif $_cc -v 2>&1 | grep -q Open64; then
3279 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3280 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3283 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3284 elif $_cc -V 2>&1 | grep -q Portland; then
3286 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3287 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3288 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3289 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3291 _flags_filter=pgi_flags
3292 elif $_cc 2>&1 | grep -q Microsoft; then
3294 _ident=$($cc 2>&1 | head -n1)
3295 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3296 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3299 if $_cc 2>&1 | grep -q Linker; then
3306 _flags_filter=msvc_flags
3308 _ld_path='-libpath:'
3310 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3311 if [ $pfx = hostcc ]; then
3312 append _cflags -Dsnprintf=_snprintf
3315 elif $_cc 2>&1 | grep -q Intel; then
3317 _ident=$($cc 2>&1 | head -n1)
3318 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3319 # Not only is O3 broken on 13.x+ but it is slower on all previous
3320 # versions (tested) as well.
3322 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3323 if $_cc 2>&1 | grep -q Linker; then
3330 _flags_filter=icl_flags
3332 _ld_path='-libpath:'
3333 # -Qdiag-error to make icl error when seeing certain unknown arguments
3334 _flags='-nologo -Qdiag-error:4044,10157'
3335 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3336 # with MSVC which enables it by default.
3337 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3338 if [ $pfx = hostcc ]; then
3339 append _cflags -Dsnprintf=_snprintf
3341 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3343 _ident=$($_cc --version | head -n1)
3347 _flags_filter=cparser_flags
3350 eval ${pfx}_type=\$_type
3351 eval ${pfx}_ident=\$_ident
3355 eval ${1}_C=\${_cc_c-\${${1}_C}}
3356 eval ${1}_E=\${_cc_e-\${${1}_E}}
3357 eval ${1}_O=\${_cc_o-\${${1}_O}}
3359 if [ -n "$_depflags" ]; then
3360 eval ${1}_DEPFLAGS=\$_depflags
3362 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3363 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3364 eval DEP${1}FLAGS=\$_flags
3369 cflags_filter=$_flags_filter
3370 cflags_speed=$_cflags_speed
3371 cflags_size=$_cflags_size
3372 cflags_noopt=$_cflags_noopt
3373 add_cflags $_flags $_cflags
3374 cc_ldflags=$_ldflags
3377 probe_cc hostcc "$host_cc"
3378 host_cflags_filter=$_flags_filter
3379 add_host_cflags $_flags $_cflags
3382 test -n "$cc_type" && enable $cc_type ||
3383 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3385 : ${as_default:=$cc}
3386 : ${dep_cc_default:=$cc}
3387 : ${ld_default:=$cc}
3388 : ${host_ld_default:=$host_cc}
3389 set_default ar as dep_cc ld host_ld windres
3392 asflags_filter=$_flags_filter
3393 add_asflags $_flags $_cflags
3397 ldflags_filter=$_flags_filter
3398 add_ldflags $_flags $_ldflags
3399 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3401 LD_LIB=${_ld_lib-$LD_LIB}
3402 LD_PATH=${_ld_path-$LD_PATH}
3404 probe_cc hostld "$host_ld"
3405 host_ldflags_filter=$_flags_filter
3406 add_host_ldflags $_flags $_ldflags
3407 HOSTLD_O=${_ld_o-$HOSTLD_O}
3409 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3410 probe_cc depcc "$dep_cc"
3411 CCDEP=${_DEPCMD:-$DEPCMD}
3412 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3416 if $ar 2>&1 | grep -q Microsoft; then
3419 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3422 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3423 arflags='-Xany -r -c'
3430 add_cflags $extra_cflags
3431 add_cxxflags $extra_cxxflags
3432 add_asflags $extra_cflags
3434 if test -n "$sysroot"; then
3437 add_cppflags --sysroot="$sysroot"
3438 add_ldflags --sysroot="$sysroot"
3439 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3440 add_cppflags -isysroot "$sysroot"
3441 add_ldflags -isysroot "$sysroot"
3444 add_cppflags -I"$sysinclude"
3445 add_ldflags --sysroot="$sysroot"
3450 if test "$cpu" = host; then
3451 enabled cross_compile &&
3452 die "--cpu=host makes no sense when cross-compiling."
3457 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3459 s/.*$1=\\([^ ]*\\).*/\\1/
3464 cpu=$(check_native -march || check_native -mcpu)
3468 test "${cpu:-host}" = host &&
3469 die "--cpu=host not supported with compiler $cc"
3472 # Deal with common $arch aliases
3486 "Power Macintosh"|ppc*|powerpc*)
3501 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3506 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3509 # Add processor-specific flags
3510 if enabled aarch64; then
3514 cpuflags="-march=$cpu"
3517 cpuflags="-mcpu=$cpu"
3521 elif enabled alpha; then
3523 cpuflags="-mcpu=$cpu"
3525 elif enabled arm; then
3528 check_cpp_condition stddef.h \
3529 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3534 if check_arm_arch 4; then echo armv4;
3535 elif check_arm_arch 4T; then echo armv4t;
3536 elif check_arm_arch 5; then echo armv5;
3537 elif check_arm_arch 5E; then echo armv5e;
3538 elif check_arm_arch 5T; then echo armv5t;
3539 elif check_arm_arch 5TE; then echo armv5te;
3540 elif check_arm_arch 5TEJ; then echo armv5te;
3541 elif check_arm_arch 6; then echo armv6;
3542 elif check_arm_arch 6J; then echo armv6j;
3543 elif check_arm_arch 6K; then echo armv6k;
3544 elif check_arm_arch 6Z; then echo armv6z;
3545 elif check_arm_arch 6ZK; then echo armv6zk;
3546 elif check_arm_arch 6T2; then echo armv6t2;
3547 elif check_arm_arch 7; then echo armv7;
3548 elif check_arm_arch 7A 7_A; then echo armv7-a;
3549 elif check_arm_arch 7R 7_R; then echo armv7-r;
3550 elif check_arm_arch 7M 7_M; then echo armv7-m;
3551 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3552 elif check_arm_arch 8A 8_A; then echo armv8-a;
3556 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3560 cpuflags="-march=$cpu"
3561 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3564 cpuflags="-mcpu=$cpu"
3566 cortex-a*) subarch=armv7a ;;
3567 cortex-r*) subarch=armv7r ;;
3568 cortex-m*) enable thumb; subarch=armv7m ;;
3569 arm11*) subarch=armv6 ;;
3570 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3571 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3572 *) subarch=$(probe_arm_arch) ;;
3578 armv5t*) enable fast_clz ;;
3579 armv[6-8]*) enable fast_clz fast_unaligned ;;
3582 elif enabled avr32; then
3587 cpuflags="-mpart=$cpu"
3591 cpuflags="-march=$cpu"
3595 cpuflags="-mcpu=$cpu"
3599 cpuflags="-march=$cpu"
3603 elif enabled bfin; then
3605 cpuflags="-mcpu=$cpu"
3607 elif enabled mips; then
3609 cpuflags="-march=$cpu"
3625 24kef*|34kf*|1004kf*)
3633 elif enabled ppc; then
3637 case $(tolower $cpu) in
3638 601|ppc601|powerpc601)
3639 cpuflags="-mcpu=601"
3642 603*|ppc603*|powerpc603*)
3643 cpuflags="-mcpu=603"
3646 604*|ppc604*|powerpc604*)
3647 cpuflags="-mcpu=604"
3650 g3|75*|ppc75*|powerpc75*)
3651 cpuflags="-mcpu=750"
3654 g4|745*|ppc745*|powerpc745*)
3655 cpuflags="-mcpu=7450"
3657 74*|ppc74*|powerpc74*)
3658 cpuflags="-mcpu=7400"
3660 g5|970|ppc970|powerpc970)
3661 cpuflags="-mcpu=970"
3664 cpuflags="-mcpu=$cpu"
3667 cpuflags="-mcpu=cell"
3671 cpuflags="-mcpu=e500mc"
3675 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3680 cpuflags="-mcpu=8540 -mhard-float"
3686 elif enabled sparc; then
3689 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3690 cpuflags="-mcpu=$cpu"
3692 ultrasparc*|niagara[234])
3693 cpuflags="-mcpu=$cpu"
3697 elif enabled x86; then
3701 cpuflags="-march=$cpu"
3704 # targets that do NOT support nopl and conditional mov (cmov)
3705 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3706 cpuflags="-march=$cpu"
3709 # targets that do support nopl and conditional mov (cmov)
3710 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3711 cpuflags="-march=$cpu"
3715 # targets that do support conditional mov but on which it's slow
3716 pentium4|pentium4m|prescott|nocona)
3717 cpuflags="-march=$cpu"
3725 if [ "$cpu" != generic ]; then
3726 add_cflags $cpuflags
3727 add_asflags $cpuflags
3730 # compiler sanity check
3732 int main(void){ return 0; }
3734 if test "$?" != 0; then
3735 echo "$cc is unable to create an executable file."
3736 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3737 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3738 echo "Only do this if you know what cross compiling means."
3740 die "C compiler test failed."
3743 add_cppflags -D_ISOC99_SOURCE
3744 add_cxxflags -D__STDC_CONSTANT_MACROS
3745 check_cflags -std=c99
3746 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3749 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3753 add_host_cppflags -D_ISOC99_SOURCE
3754 check_host_cflags -std=c99
3755 check_host_cflags -Wall
3756 check_host_cflags -O3
3762 check_code cc "" "int test[2*($expr) - 1]" &&
3763 subarch=$arch64 || subarch=$arch32
3771 check_64bit mips mips64 '_MIPS_SIM > 1'
3775 check_64bit parisc parisc64 'sizeof(void *) > 4'
3779 check_64bit ppc ppc64 'sizeof(void *) > 4'
3783 check_64bit s390 s390x 'sizeof(void *) > 4'
3787 check_64bit sparc sparc64 'sizeof(void *) > 4'
3791 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3792 if test "$subarch" = "x86_64"; then
3797 check_cc <<EOF && subarch="ppc64"
3798 int test[(int)sizeof(char*) - 7];
3804 enabled spic && enable_weak pic
3810 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3811 enabled shared && add_ldflags -Wl,-brtl
3814 prefix_default="/boot/common"
3815 network_extralibs="-lnetwork"
3819 SHFLAGS='-shared -Wl,-h,$$(@F)'
3820 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3821 network_extralibs="-lsocket -lnsl"
3822 # When using suncc to build, the Solaris linker will mark
3823 # an executable with each instruction set encountered by
3824 # the Solaris assembler. As our libraries contain their own
3825 # guards for processor-specific code, instead suppress
3826 # generation of the HWCAPS ELF section on Solaris x86 only.
3827 enabled_all suncc x86 &&
3828 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3829 add_ldflags -Wl,-M,mapfile
3830 nm_default='nm -P -g'
3834 oss_indev_extralibs="-lossaudio"
3835 oss_outdev_extralibs="-lossaudio"
3836 enabled gcc || check_ldflags -Wl,-zmuldefs
3841 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3843 oss_indev_extralibs="-lossaudio"
3844 oss_outdev_extralibs="-lossaudio"
3852 add_extralibs -lpoll -lgnugetopt
3856 gas="gas-preprocessor.pl $cc"
3857 enabled ppc && add_asflags -force_cpusubtype_ALL
3858 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3859 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3861 add_ldflags -Wl,-dynamic,-search_paths_first
3863 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3864 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3866 enabled x86_64 && objformat="macho64"
3867 enabled_any pic shared ||
3868 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3871 if test $target_os = "mingw32ce"; then
3877 if enabled x86_64; then
3878 LIBTARGET="i386:x86-64"
3879 elif enabled arm; then
3882 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3883 check_ldflags -Wl,--nxcompat
3884 check_ldflags -Wl,--dynamicbase
3885 shlibdir_default="$bindir_default"
3888 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3889 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3890 dlltool="${cross_prefix}dlltool"
3891 if check_cmd lib.exe -list; then
3892 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3893 if enabled x86_64; then
3896 elif check_cmd $dlltool --version; then
3897 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3899 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3901 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3902 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3903 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3910 if enabled shared; then
3911 # Link to the import library instead of the normal static library
3914 # Cannot build both shared and static libs with MSVC or icl.
3917 shlibdir_default="$bindir_default"
3920 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3921 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3922 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3923 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3925 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3926 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3927 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3934 shlibdir_default="$bindir_default"
3937 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3938 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3939 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3941 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3942 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3945 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3947 *-dos|freedos|opendos)
3948 network_extralibs="-lsocket"
3951 add_cppflags -U__STRICT_ANSI__
3958 ranlib="echo ignoring ranlib"
3964 add_cppflags -D_GNU_SOURCE
3965 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3966 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3970 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3971 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3972 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3973 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3974 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3975 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3976 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3977 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3978 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3979 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3980 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3982 enable_weak os2threads
3985 add_cppflags -D_BSD_SOURCE
3990 add_cppflags -D_QNX_SOURCE
3991 network_extralibs="-lsocket"
3996 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3997 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3998 add_ldflags -Wl,--target1-abs,--no-undefined \
3999 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4000 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4001 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4002 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4003 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4006 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4011 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4012 -D_REENTRANT_SOURCE \
4013 -D_RESEARCH_SOURCE \
4016 add_compat strtod.o strtod=avpriv_strtod
4017 network_extralibs='-lbsd'
4018 exeobjs=compat/plan9/main.o
4025 die "Unknown OS '$target_os'."
4029 # determine libc flavour
4034 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4035 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4036 eval ${pfx}libc_type=uclibc
4037 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4038 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4039 eval ${pfx}libc_type=glibc
4040 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4041 # MinGW headers can be installed on Cygwin, so check for newlib first.
4042 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4043 eval ${pfx}libc_type=newlib
4044 add_${pfx}cppflags -U__STRICT_ANSI__
4045 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4046 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4047 eval ${pfx}libc_type=mingw64
4048 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4049 add_compat msvcrt/snprintf.o
4050 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4052 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4053 eval test \$${pfx_no_}cc_type = "gcc" &&
4054 add_${pfx}cppflags -D__printf__=__gnu_printf__
4055 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4056 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then