3 # Libav 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 LIBAV, 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 Libav."
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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [config.log]
81 --disable-logging do not log configure debug information
82 --prefix=PREFIX install in PREFIX [$prefix_default]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
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 when linking programs (USE WITH CARE)
93 --enable-gpl allow use of GPL code, the resulting libs
94 and binaries will be under GPL [no]
95 --enable-version3 upgrade (L)GPL to version 3 [no]
96 --enable-nonfree allow use of nonfree code, the resulting libs
97 and binaries will be unredistributable [no]
99 Configuration options:
100 --disable-static do not build static libraries [no]
101 --enable-shared build shared libraries [no]
102 --enable-small optimize for size instead of speed
103 --enable-runtime-cpudetect detect CPU capabilities at runtime (bigger binary)
104 --enable-gray enable full grayscale support (slower color)
105 --disable-swscale-alpha disable alpha channel support in swscale
106 --disable-all disable building components, libraries and programs
109 --disable-programs do not build command line programs
110 --disable-avconv disable avconv build
111 --disable-avplay disable avplay build
112 --disable-avprobe disable avprobe build
113 --disable-avserver deprecated, does nothing
116 --disable-doc do not build documentation
117 --disable-pod2man do not build manual pages
118 --disable-texi2html do not build HTML documentation
119 --disable-avdevice disable libavdevice build
120 --disable-avcodec disable libavcodec build
121 --disable-avformat disable libavformat build
122 --disable-avutil disable libavutil build
123 --disable-swscale disable libswscale build
124 --disable-avfilter disable video filter support [no]
125 --disable-avresample disable libavresample build [no]
126 --disable-pthreads disable pthreads [auto]
127 --disable-w32threads disable Win32 threads [auto]
128 --disable-network disable network support [no]
129 --disable-dct disable DCT code
130 --disable-error-resilience disable error resilience code
131 --disable-lsp disable LSP code
132 --disable-lzo disable LZO decoder code
133 --disable-mdct disable MDCT code
134 --disable-rdft disable RDFT code
135 --disable-fft disable FFT code
136 --disable-faan disable floating point AAN (I)DCT code
138 Individual component options:
139 --disable-everything disable all components listed below
140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
164 --enable-indev=NAME enable input device NAME
165 --disable-indev=NAME disable input device NAME
166 --disable-indevs disable input devices
167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
175 External library support:
177 Using any of the following switches will allow Libav to link to the
178 corresponding external library. All the components depending on that library
179 will become enabled, if all their other dependencies are met and they are not
180 explicitly disabled. E.g. --enable-libwavpack will enable linking to
181 libwavpack and allow the libwavpack encoder to be built, unless it is
182 specifically disabled with --disable-encoder=libwavpack.
184 Note that only the system libraries are auto-detected. All the other external
185 libraries must be explicitly enabled.
187 Also note that the following help text describes the purpose of the libraries
188 themselves, not all their features will necessarily be usable by Libav.
190 --enable-avisynth video frameserver
191 --enable-avxsynth Linux version of AviSynth
192 --enable-bzlib bzip2 compression [autodetect]
193 --enable-frei0r video filtering plugins
194 --enable-gnutls crypto
195 --enable-libbs2b Bauer stereophonic-to-binaural DSP
196 --enable-libcdio audio CD input
197 --enable-libdc1394 IEEE 1394/Firewire camera input
198 --enable-libdcadec DCA audio decoding
199 --enable-libfaac AAC audio encoding
200 --enable-libfdk-aac AAC audio encoding/decoding
201 --enable-libfontconfig font configuration and management
202 --enable-libfreetype font rendering
203 --enable-libgsm GSM audio encoding/decoding
204 --enable-libhdcd HDCD decoding filter
205 --enable-libilbc ILBC audio encoding/decoding
206 --enable-libkvazaar HEVC video encoding
207 --enable-libmp3lame MP3 audio encoding
208 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
209 --enable-libopencore-amrwb AMR-WB audio decoding
210 --enable-libopencv computer vision
211 --enable-libopenh264 H.264 video encoding/decoding
212 --enable-libopenjpeg JPEG 2000 image encoding/decoding
213 --enable-libopus Opus audio encoding/decoding
214 --enable-libpulse Pulseaudio sound server
215 --enable-librtmp RTMP streaming
216 --enable-libschroedinger Dirac video encoding/decoding
217 --enable-libsnappy snappy compression
218 --enable-libspeex Speex audio encoding/decoding
219 --enable-libtheora Theora video encoding/decoding
220 --enable-libtwolame MP2 audio encoding
221 --enable-libvo-aacenc AAC audio encoding
222 --enable-libvo-amrwbenc AMR-WB audio encoding
223 --enable-libvorbis Vorbis audio encoding/decoding
224 --enable-libvpx VP* video encoding/decoding
225 --enable-libwavpack Wavpack audio encoding/decoding
226 --enable-libwebp WebP image encoding/decoding
227 --enable-libx264 H.264 video encoding
228 --enable-libx265 HEVC video encoding
229 --enable-libxavs Chinese AVS video encoding
230 --enable-libxcb X window system protocol communication
231 --enable-libxcb-shm X11 shm communication [auto]
232 --enable-libxcb-xfixes X11 mouse rendering [auto]
233 --enable-libxvid MPEG-4 ASP video encoding
234 --enable-openssl crypto
235 --enable-zlib compression [autodetect]
237 The following libraries provide various hardware acceleration features:
238 --enable-cuda Nvidia CUDA (dynamically linked)
239 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
240 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
241 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
242 --enable-libnpp Nvidia CUDA processing
243 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
244 --enable-nvenc Nvidia video encoding
245 --enable-omx OpenMAX IL
246 --enable-omx-rpi OpenMAX IL for Raspberry Pi
247 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
248 --enable-vda Apple Video Decode Acceleration [auto]
249 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
252 --arch=ARCH select architecture [$arch]
253 --cpu=CPU select the minimum required CPU (affects
254 instruction selection, may crash on older CPUs)
255 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
256 --enable-cross-compile assume a cross-compiler is used
257 --sysroot=PATH root of cross-build tree
258 --sysinclude=PATH location of cross-build system headers
259 --target-os=OS compiler targets OS [$target_os]
260 --target-exec=CMD command to run executables on target
261 --target-path=DIR path to view of build directory on target
262 --target-samples=DIR path to samples directory on target
263 --toolchain=NAME set tool defaults according to NAME
265 --ar=AR use archive tool AR [$ar_default]
266 --as=AS use assembler AS [$as_default]
267 --cc=CC use C compiler CC [$cc_default]
268 --objcc=OCC use ObjC compiler OCC [$cc_default]
269 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
270 --ld=LD use linker LD
271 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
272 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
273 --host-cc=HOSTCC use host C compiler HOSTCC
274 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
275 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
276 --host-ld=HOSTLD use host linker HOSTLD
277 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
278 --host-libs=HLIBS use libs HLIBS when linking for host
279 --host-os=OS compiler host OS [$target_os]
280 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
281 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
282 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
283 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
284 --extra-libs=ELIBS add ELIBS [$ELIBS]
285 --extra-version=STRING version string suffix []
286 --optflags=OPTFLAGS override optimization-related compiler flags
287 --enable-pic build position-independent code
288 --enable-thumb compile for Thumb instruction set
289 --enable-lto use link-time optimization
290 --env="ENV=override" override the environment variables
292 Advanced options (experts only):
293 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
294 --custom-allocator=NAME use a supported custom allocator
295 --disable-symver disable symbol versioning
296 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
297 --disable-safe-bitstream-reader
298 disable buffer boundary checking in bitreaders
299 (faster, but may crash)
300 --enable-sram allow use of on-chip SRAM
302 Optimization options (experts only):
303 --disable-asm disable all assembly optimizations
304 --disable-altivec disable AltiVec optimizations
305 --disable-vsx disable VSX optimizations
306 --disable-power8 disable POWER8 optimizations
307 --disable-amd3dnow disable 3DNow! optimizations
308 --disable-amd3dnowext disable 3DNow! extended optimizations
309 --disable-mmx disable MMX optimizations
310 --disable-mmxext disable MMXEXT optimizations
311 --disable-sse disable SSE optimizations
312 --disable-sse2 disable SSE2 optimizations
313 --disable-sse3 disable SSE3 optimizations
314 --disable-ssse3 disable SSSE3 optimizations
315 --disable-sse4 disable SSE4 optimizations
316 --disable-sse42 disable SSE4.2 optimizations
317 --disable-avx disable AVX optimizations
318 --disable-xop disable XOP optimizations
319 --disable-fma3 disable FMA3 optimizations
320 --disable-fma4 disable FMA4 optimizations
321 --disable-avx2 disable AVX2 optimizations
322 --disable-armv5te disable armv5te optimizations
323 --disable-armv6 disable armv6 optimizations
324 --disable-armv6t2 disable armv6t2 optimizations
325 --disable-vfp disable VFP optimizations
326 --disable-neon disable NEON optimizations
327 --disable-inline-asm disable use of inline assembly
328 --disable-yasm disable use of nasm/yasm assembly
330 Developer options (useful when working on Libav itself):
331 --disable-debug disable debugging symbols
332 --enable-debug=LEVEL set the debug level [$debuglevel]
333 --disable-optimizations disable compiler optimizations
334 --enable-extra-warnings enable more compiler warnings
335 --samples=PATH location of test samples for FATE, if not set use
336 \$LIBAV_SAMPLES at make invocation time.
337 --enable-neon-clobber-test check NEON registers for clobbering (should be
338 used only for debugging purposes)
339 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
340 should be used only for debugging purposes)
341 --enable-random randomly enable/disable components
343 --enable-random=LIST randomly enable/disable specific components or
344 --disable-random=LIST component groups. LIST is a comma-separated list
345 of NAME[:PROB] entries where NAME is a component
346 (group) and PROB the probability associated with
348 --random-seed=VALUE seed value for --enable/disable-random
349 --disable-valgrind-backtrace do not print a backtrace under Valgrind
350 (only applies to --disable-optimizations builds)
352 NOTE: Object files are built at the place where configure is launched.
360 echo "$@" >> $logfile
367 printf '%5s %s\n' "${i}" "${line}"
369 done < $1 >> $logfile
380 WARNINGS="${WARNINGS}WARNING: $*\n"
387 If you think configure made a mistake, make sure you are using the latest
388 version from Git. If the latest version fails, report the problem to the
389 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
391 if disabled logging; then
393 Rerun configure with logging enabled (do not use --disable-logging), and
394 include the log this produces with your report.
398 Include the log file "$logfile" produced by configure as this will help
405 # Avoid locale weirdness, besides we really just want to translate ASCII.
407 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
411 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
415 echo "$*" | sed 's/["\\]/\\\0/g'
419 v=$(echo "$1" | sed "s/'/'\\\\''/g")
420 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
425 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
432 eval "case $v in $pat) printf '%s ' $v ;; esac"
440 eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
447 for v; do eval $m; done
453 for v; do echo ${v}${suffix}; done
468 eval : \${$var:=$value}
473 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
479 eval $(sanitize_var_name "$var")='$*'
483 eval echo \$$(sanitize_var_name "$1")
488 eval level=\${${pvar}_level:=0}
489 eval ${pvar}_${level}="\$$pvar"
490 eval ${pvar}_level=$(($level+1))
496 eval level=\${${pvar}_level:-0}
497 test $level = 0 && continue
498 eval level=$(($level-1))
499 eval $pvar="\${${pvar}_${level}}"
500 eval ${pvar}_level=$level
501 eval unset ${pvar}_${level}
523 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
529 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
535 enabled $var && continue
536 eval sel="\$${var}_select"
537 eval sgs="\$${var}_suggest"
541 enable_deep_weak $sgs
553 disabled $var && continue
562 test "${1#!}" = "$1" && op== || op=!=
563 eval test "x\$${1#!}" $op "xyes"
567 test "${1#!}" = "$1" && op== || op=!=
568 eval test "x\$${1#!}" $op "xno"
573 enabled $opt || return 1
579 disabled $opt || return 1
585 enabled $opt && return 0
591 disabled $opt && return 0
598 eval : \${$opt:=\$${opt}_default}
606 [ $var = $value ] && return 0
614 enabled ${cfg}_checking && die "Circular dependency for $cfg."
615 disabled ${cfg}_checking && continue
616 enable ${cfg}_checking
619 eval dep_all="\$${cfg}_deps"
620 eval dep_any="\$${cfg}_deps_any"
621 eval dep_sel="\$${cfg}_select"
622 eval dep_sgs="\$${cfg}_suggest"
623 eval dep_ifa="\$${cfg}_if"
624 eval dep_ifn="\$${cfg}_if_any"
626 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
627 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
628 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
630 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
631 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
632 enabled_all $dep_all || disable $cfg
633 enabled_any $dep_any || disable $cfg
634 disabled_any $dep_sel && disable $cfg
636 if enabled $cfg; then
638 enable_deep_weak $dep_sgs
641 disable ${cfg}_checking
650 for cfg in $allopts; do
651 enabled $cfg || continue
652 eval dep_extralibs="\$${cfg}_extralibs"
653 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
661 map 'eval echo "$v \${$v:-no}"' "$@" |
662 awk "BEGIN { split(\"$files\", files) }
664 c = \"$pfx\" toupper(\$1);
670 if (file ~ /\\.h\$/) {
671 printf(\"#define %s %d\\n\", c, v) >>file;
672 } else if (file ~ /\\.asm\$/) {
673 printf(\"%%define %s %d\\n\", c, v) >>file;
674 } else if (file ~ /\\.mak\$/) {
675 n = -v ? \"\" : \"!\";
676 printf(\"%s%s=yes\\n\", n, c) >>file;
686 enabled $v && printf "%s\n" ${v%$suf}
693 eval "$var=\"\$$var $*\""
699 eval "$var=\"$* \$$var\""
705 for tok in $(eval echo \$$var); do
706 uniq_list="$(filter_out $tok $uniq_list) $tok"
708 eval "$var=\"${uniq_list}\""
716 append CFLAGS $($cflags_filter "$@")
719 add_cflags_headers(){
720 append CFLAGS_HEADERS $($cflags_filter "$@")
724 append ASFLAGS $($asflags_filter "$@")
728 append OBJCFLAGS $($objcflags_filter "$@")
732 append LDFLAGS $($ldflags_filter "$@")
736 append LDEXEFLAGS $($ldflags_filter "$@")
740 append STRIPFLAGS "$@"
744 prepend extralibs $($ldflags_filter "$@")
748 append host_cppflags "$@"
752 append host_cflags $($host_cflags_filter "$@")
756 append host_ldflags $($host_ldflags_filter "$@")
760 append compat_objs $1
762 map 'add_cppflags -D$v' "$@"
767 "$@" >> $logfile 2>&1
771 eval printf '%s\\n' $CC_O
775 eval printf '%s\\n' $CC_E
782 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
789 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
796 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
800 eval printf '%s\\n' $AS_O
807 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
811 log check_inline_asm "$@"
816 check_cc "$@" <<EOF && enable $name
817 void foo(void){ __asm__ volatile($code); }
823 check_inline_asm ${1}_inline "\"$2\""
824 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
832 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
836 eval printf '%s\\n' $LD_O
841 flags=$(filter_out '-l*' "$@")
842 libs=$(filter '-l*' "$@")
843 check_cc $($cflags_filter $flags) || return
844 flags=$($ldflags_filter $flags)
845 libs=$($ldflags_filter $libs)
846 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
851 test "${hdr%.h}" = "${hdr}" &&
852 echo "#include $hdr" ||
853 echo "#include <$hdr>"
863 for hdr in $headers; do
866 echo "int main(void) { $code; return 0; }"
867 } | check_$check "$@"
871 log check_cppflags "$@"
872 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
879 set -- $($cflags_filter "$@")
886 log check_cflags "$@"
887 test_cflags "$@" && add_cflags "$@"
891 log test_objcflags "$@"
892 set -- $($objcflags_filter "$@")
893 check_objcc "$@" <<EOF
899 log check_objcflags "$@"
900 test_objcflags "$@" && add_objcflags "$@"
904 log test_ldflags "$@"
906 int main(void){ return 0; }
911 log check_ldflags "$@"
912 test_ldflags "$@" && add_ldflags "$@"
916 log test_stripflags "$@"
917 # call check_cc to get a fresh TMPO
919 int main(void) { return 0; }
921 check_cmd $strip $STRIPFLAGS "$@" $TMPO
925 log check_stripflags "$@"
926 test_stripflags "$@" && add_stripflags "$@"
930 log check_header "$@"
934 check_cpp "$@" <<EOF && enable_safe $header
945 check_ld "$@" <<EOF && enable $func
947 int main(void){ $func(); }
952 log check_mathfunc "$@"
956 test $narg = 2 && args="f, g" || args="f"
958 check_ld "$@" <<EOF && enable $func
960 float foo(float f, float g) { return $func($args); }
961 int main(void){ return 0; }
965 check_func_headers(){
966 log check_func_headers "$@"
971 for hdr in $headers; do
974 for func in $funcs; do
975 echo "long check_$func(void) { return (long) $func; }"
977 echo "int main(void) { return 0; }"
978 } | check_ld "$@" && enable $funcs && enable_safe $headers
981 check_cpp_condition(){
982 log check_cpp_condition "$@"
989 #error "unsatisfied condition: $condition"
995 log test_cflags_cpp "$@"
999 set -- $($cflags_filter "$flags")
1000 check_cpp "$@" <<EOF
1002 #error "unsatisfied condition: $condition"
1012 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1016 log check_pkg_config "$@"
1022 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1023 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1024 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1025 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1026 set_safe "${pkg}_cflags" $pkg_cflags &&
1027 set_safe "${pkg}_extralibs" $pkg_libs
1031 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1035 log check_exec_crash "$@"
1038 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1039 # are safe but may not be available everywhere. Thus we use
1040 # raise(SIGTERM) instead. The check is run in a subshell so we
1041 # can redirect the "Terminated" message from the shell. SIGBUS
1042 # is not defined by standard C so it is used conditionally.
1044 (check_exec "$@") >> $logfile 2>&1 <<EOF
1046 static void sighandler(int sig){
1052 int (*func_ptr)(void) = foo;
1054 signal(SIGILL, sighandler);
1055 signal(SIGFPE, sighandler);
1056 signal(SIGSEGV, sighandler);
1058 signal(SIGBUS, sighandler);
1070 disable_safe "$type"
1071 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1075 log check_struct "$@"
1080 disable_safe "${struct}_${member}"
1081 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1082 enable_safe "${struct}_${member}"
1086 log check_builtin "$@"
1092 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1095 check_compile_assert(){
1096 log check_compile_assert "$@"
1102 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1111 check_lib "$headers" $func "$@" || die "ERROR: $name_version not found"
1114 require_pkg_config(){
1115 log require_pkg_config "$@"
1118 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1119 add_cflags $(get_safe "${pkg}_cflags")
1120 add_extralibs $(get_safe "${pkg}_extralibs")
1124 eval printf '%s\\n' $HOSTCC_E
1128 eval printf '%s\\n' $HOSTCC_O
1132 log check_host_cc "$@"
1135 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1139 log check_host_cpp "$@"
1142 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1145 check_host_cppflags(){
1146 log check_host_cppflags "$@"
1147 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1152 check_host_cflags(){
1153 log check_host_cflags "$@"
1154 set -- $($host_cflags_filter "$@")
1155 check_host_cc "$@" <<EOF && append host_cflags "$@"
1160 check_host_cpp_condition(){
1161 log check_host_cpp_condition "$@"
1165 check_host_cpp "$@" <<EOF
1168 #error "unsatisfied condition: $condition"
1176 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1180 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1181 mkdir -p "$(dirname $2)"
1185 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1186 # system-dependent things.
1188 AVCODEC_COMPONENTS="
1196 AVDEVICE_COMPONENTS="
1200 AVFILTER_COMPONENTS="
1203 AVFORMAT_COMPONENTS="
1209 AVRESAMPLE_COMPONENTS=""
1210 AVUTIL_COMPONENTS=""
1214 $AVDEVICE_COMPONENTS
1215 $AVFILTER_COMPONENTS
1216 $AVFORMAT_COMPONENTS
1217 $AVRESAMPLE_COMPONENTS
1222 decode_audio_example
1223 decode_video_example
1224 encode_audio_example
1225 encode_video_example
1226 filter_audio_example
1230 transcode_aac_example
1233 HWACCEL_LIBRARY_NONFREE_LIST="
1237 HWACCEL_LIBRARY_LIST="
1238 $HWACCEL_LIBRARY_NONFREE_LIST
1250 EXTERNAL_LIBRARY_GPL_LIST="
1258 EXTERNAL_LIBRARY_NONFREE_LIST="
1264 EXTERNAL_LIBRARY_VERSION3_LIST="
1271 EXTERNAL_LIBRARY_LIST="
1272 $EXTERNAL_LIBRARY_GPL_LIST
1273 $EXTERNAL_LIBRARY_NONFREE_LIST
1274 $EXTERNAL_LIBRARY_VERSION3_LIST
1316 safe_bitstream_reader
1359 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1362 $EXTERNAL_LIBRARY_LIST
1363 $HWACCEL_LIBRARY_LIST
1427 ARCH_EXT_LIST_X86_SIMD="
1455 $ARCH_EXT_LIST_X86_SIMD
1460 ARCH_EXT_LIST_MIPS="
1497 sync_val_compare_and_swap
1511 AVFoundation_AVFoundation_h
1516 cdio_paranoia_paranoia_h
1519 dev_bktr_ioctl_bt848_h
1520 dev_bktr_ioctl_meteor_h
1522 dev_video_bktr_ioctl_bt848_h
1523 dev_video_meteor_ioctl_meteor_h
1530 machine_ioctl_bt848_h
1531 machine_ioctl_meteor_h
1596 GetProcessAffinityMask
1597 GetProcessMemoryInfo
1600 GetSystemTimeAsFileTime
1605 jack_port_get_latency_range
1617 SetConsoleTextAttribute
1628 TOOLCHAIN_FEATURES="
1650 CONDITION_VARIABLE_Ptr
1653 struct_group_source_req
1654 struct_ip_mreq_source
1657 struct_rusage_ru_maxrss
1659 struct_sockaddr_sa_len
1660 struct_sockaddr_storage
1661 struct_v4l2_frmivalenum_discrete
1666 $(add_suffix _external $ARCH_EXT_LIST)
1667 $(add_suffix _inline $ARCH_EXT_LIST)
1682 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1691 # options emitted with CONFIG_ prefix but not available on the command line
1838 # code dependency declarations
1840 # architecture extensions
1845 armv8_deps="aarch64"
1846 neon_deps_any="aarch64 arm"
1847 intrinsics_neon_deps="neon"
1848 vfp_deps_any="aarch64 arm"
1851 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1859 x86_64_select="i686"
1860 x86_64_suggest="fast_cmov"
1863 amd3dnowext_deps="amd3dnow"
1879 mmx_external_deps="yasm"
1880 mmx_inline_deps="inline_asm"
1881 mmx_suggest="mmx_external mmx_inline"
1883 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1884 eval dep=\$${ext}_deps
1885 eval ${ext}_external_deps='"${dep}_external"'
1886 eval ${ext}_inline_deps='"${dep}_inline"'
1887 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1890 aligned_stack_if_any="aarch64 ppc x86"
1891 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1892 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1893 fast_unaligned_if_any="aarch64 ppc x86"
1894 simd_align_16_if_any="altivec neon sse"
1895 simd_align_32_if_any="avx"
1897 # system capabilities
1898 symver_if_any="symver_asm_label symver_gnu_asm"
1899 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1902 atomics_gcc_if="sync_val_compare_and_swap"
1903 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1904 atomics_win32_if="MemoryBarrier"
1905 atomics_native_if_any="$ATOMICS_LIST"
1906 w32threads_deps="atomics_native"
1907 threads_if_any="$THREADS_LIST"
1911 dirac_parse_select="golomb"
1912 error_resilience_select="me_cmp"
1913 faandct_deps="faan fdctdsp"
1914 faanidct_deps="faan idctdsp"
1915 h264dsp_select="startcode"
1916 hevc_ps_select="golomb"
1917 intrax8_select="blockdsp idctdsp"
1920 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1921 mpeg_er_select="error_resilience"
1922 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1923 mpegaudiodsp_select="dct"
1924 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1925 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1926 vc1dsp_select="h264chroma qpeldsp startcode"
1928 # decoders / encoders
1929 aac_decoder_select="imdct15 mdct sinewin"
1930 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1931 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1932 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1933 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1934 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1935 adpcm_g722_decoder_select="g722dsp"
1936 adpcm_g722_encoder_select="g722dsp"
1937 aic_decoder_select="golomb idctdsp"
1938 alac_encoder_select="lpc"
1939 als_decoder_select="bswapdsp"
1940 amrnb_decoder_select="lsp"
1941 amrwb_decoder_select="lsp"
1942 amv_decoder_select="sp5x_decoder"
1943 ape_decoder_select="bswapdsp"
1944 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1945 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1946 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1947 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1948 atrac1_decoder_select="mdct sinewin"
1949 atrac3_decoder_select="mdct"
1950 atrac3p_decoder_select="mdct sinewin"
1951 bink_decoder_select="blockdsp hpeldsp"
1952 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1953 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1954 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1955 cllc_decoder_select="bswapdsp"
1956 comfortnoise_encoder_select="lpc"
1957 cook_decoder_select="audiodsp mdct sinewin"
1958 cscd_decoder_select="lzo"
1959 cscd_decoder_suggest="zlib"
1960 dca_decoder_select="fmtconvert mdct"
1961 dds_decoder_select="texturedsp"
1962 dnxhd_decoder_select="blockdsp idctdsp"
1963 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1964 dvvideo_decoder_select="dvprofile idctdsp"
1965 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1966 dxa_decoder_deps="zlib"
1967 dxv_decoder_select="lzf texturedsp"
1968 eac3_decoder_select="ac3_decoder"
1969 eac3_encoder_select="ac3_encoder"
1970 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1971 eatgq_decoder_select="aandcttables idctdsp"
1972 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1973 exr_decoder_deps="zlib"
1974 ffv1_decoder_select="rangecoder"
1975 ffv1_encoder_select="rangecoder"
1976 ffvhuff_decoder_select="huffyuv_decoder"
1977 ffvhuff_encoder_select="huffyuv_encoder"
1978 fic_decoder_select="golomb"
1979 flac_decoder_select="flacdsp"
1980 flac_encoder_select="bswapdsp flacdsp lpc"
1981 flashsv_decoder_deps="zlib"
1982 flashsv_encoder_deps="zlib"
1983 flashsv2_decoder_deps="zlib"
1984 flv_decoder_select="h263_decoder"
1985 flv_encoder_select="h263_encoder"
1986 fourxm_decoder_select="blockdsp bswapdsp"
1987 fraps_decoder_select="bswapdsp huffman"
1988 g2m_decoder_deps="zlib"
1989 g2m_decoder_select="blockdsp idctdsp jpegtables"
1990 h261_decoder_select="mpeg_er mpegvideo"
1991 h261_encoder_select="aandcttables mpegvideoenc"
1992 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1993 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1994 h263i_decoder_select="h263_decoder"
1995 h263p_encoder_select="h263_encoder"
1996 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
1997 h264_decoder_suggest="error_resilience"
1998 hap_decoder_select="snappy texturedsp"
1999 hap_encoder_deps="libsnappy"
2000 hap_encoder_select="texturedspenc"
2001 hevc_decoder_select="bswapdsp cabac hevc_ps videodsp"
2002 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2003 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2004 iac_decoder_select="imc_decoder"
2005 imc_decoder_select="bswapdsp fft mdct sinewin"
2006 indeo3_decoder_select="hpeldsp"
2007 indeo4_decoder_select="ividsp"
2008 indeo5_decoder_select="ividsp"
2009 interplay_video_decoder_select="hpeldsp"
2010 jpegls_decoder_select="mjpeg_decoder"
2011 jv_decoder_select="blockdsp"
2012 lagarith_decoder_select="huffyuvdsp"
2013 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2014 magicyuv_decoder_select="huffyuvdsp"
2015 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2016 metasound_decoder_select="lsp mdct sinewin"
2017 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2018 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2019 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2020 mjpegb_decoder_select="mjpeg_decoder"
2021 mlp_decoder_select="mlp_parser"
2022 motionpixels_decoder_select="bswapdsp"
2023 mp1_decoder_select="mpegaudio"
2024 mp1float_decoder_select="mpegaudio"
2025 mp2_decoder_select="mpegaudio"
2026 mp2float_decoder_select="mpegaudio"
2027 mp3_decoder_select="mpegaudio"
2028 mp3adu_decoder_select="mpegaudio"
2029 mp3adufloat_decoder_select="mpegaudio"
2030 mp3float_decoder_select="mpegaudio"
2031 mp3on4_decoder_select="mpegaudio"
2032 mp3on4float_decoder_select="mpegaudio"
2033 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2034 mpc8_decoder_select="mpegaudiodsp"
2035 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2036 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2037 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2038 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2039 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2040 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2041 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2042 mpeg4_encoder_select="h263_encoder"
2043 msa1_decoder_select="mss34dsp"
2044 msmpeg4v1_decoder_select="h263_decoder"
2045 msmpeg4v2_decoder_select="h263_decoder"
2046 msmpeg4v2_encoder_select="h263_encoder"
2047 msmpeg4v3_decoder_select="h263_decoder"
2048 msmpeg4v3_encoder_select="h263_encoder"
2049 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2050 mts2_decoder_select="mss34dsp"
2051 mxpeg_decoder_select="mjpeg_decoder"
2052 nellymoser_decoder_select="mdct sinewin"
2053 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2054 nuv_decoder_select="idctdsp lzo"
2055 on2avc_decoder_select="mdct"
2056 opus_decoder_deps="avresample"
2057 opus_decoder_select="imdct15"
2058 png_decoder_deps="zlib"
2059 png_encoder_deps="zlib"
2060 png_encoder_select="huffyuvencdsp"
2061 prores_decoder_select="idctdsp"
2062 prores_encoder_select="fdctdsp"
2063 qcelp_decoder_select="lsp"
2064 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2065 ra_144_encoder_select="audio_frame_queue lpc"
2066 ralf_decoder_select="golomb"
2067 rscc_decoder_deps="zlib"
2068 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2069 rv10_encoder_select="h263_encoder"
2070 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2071 rv20_encoder_select="h263_encoder"
2072 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2073 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2074 screenpresso_decoder_deps="zlib"
2075 sipr_decoder_select="lsp"
2076 sp5x_decoder_select="mjpeg_decoder"
2077 svq1_decoder_select="hpeldsp"
2078 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2079 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2080 svq3_decoder_suggest="zlib"
2081 tak_decoder_select="audiodsp"
2082 tdsc_decoder_deps="zlib"
2083 tdsc_decoder_select="mjpeg_decoder"
2084 theora_decoder_select="vp3_decoder"
2085 thp_decoder_select="mjpeg_decoder"
2086 tiff_decoder_suggest="zlib"
2087 tiff_encoder_suggest="zlib"
2088 truehd_decoder_select="mlp_decoder"
2089 truemotion2_decoder_select="bswapdsp"
2090 truespeech_decoder_select="bswapdsp"
2091 tscc_decoder_deps="zlib"
2092 txd_decoder_select="texturedsp"
2093 twinvq_decoder_select="mdct lsp sinewin"
2094 utvideo_decoder_select="bswapdsp"
2095 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2096 vble_decoder_select="huffyuvdsp"
2097 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2098 vc1image_decoder_select="vc1_decoder"
2099 vorbis_decoder_select="mdct"
2100 vorbis_encoder_select="mdct"
2101 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2102 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2103 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2104 vp6a_decoder_select="vp6_decoder"
2105 vp6f_decoder_select="vp6_decoder"
2106 vp7_decoder_select="h264pred videodsp vp8dsp"
2107 vp8_decoder_select="h264pred videodsp vp8dsp"
2108 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2109 webp_decoder_select="vp8_decoder"
2110 wmapro_decoder_select="mdct sinewin wma_freqs"
2111 wmav1_decoder_select="mdct sinewin wma_freqs"
2112 wmav1_encoder_select="mdct sinewin wma_freqs"
2113 wmav2_decoder_select="mdct sinewin wma_freqs"
2114 wmav2_encoder_select="mdct sinewin wma_freqs"
2115 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2116 wmv1_decoder_select="h263_decoder"
2117 wmv1_encoder_select="h263_encoder"
2118 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2119 wmv2_encoder_select="h263_encoder wmv2dsp"
2120 wmv3_decoder_select="vc1_decoder"
2121 wmv3image_decoder_select="wmv3_decoder"
2122 zerocodec_decoder_deps="zlib"
2123 zlib_decoder_deps="zlib"
2124 zlib_encoder_deps="zlib"
2125 zmbv_decoder_deps="zlib"
2126 zmbv_encoder_deps="zlib"
2128 # hardware accelerators
2129 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2130 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2131 dxva2_lib_deps="dxva2"
2132 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2133 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2135 h263_vaapi_hwaccel_deps="vaapi"
2136 h263_vaapi_hwaccel_select="h263_decoder"
2137 h264_d3d11va_hwaccel_deps="d3d11va"
2138 h264_d3d11va_hwaccel_select="h264_decoder"
2139 h264_dxva2_hwaccel_deps="dxva2"
2140 h264_dxva2_hwaccel_select="h264_decoder"
2141 h264_mmal_hwaccel_deps="mmal"
2142 h264_qsv_hwaccel_deps="libmfx"
2143 h264_vaapi_hwaccel_deps="vaapi"
2144 h264_vaapi_hwaccel_select="h264_decoder"
2145 h264_vda_hwaccel_deps="vda"
2146 h264_vda_hwaccel_select="h264_decoder"
2147 h264_vda_old_hwaccel_deps="vda"
2148 h264_vda_old_hwaccel_select="h264_decoder"
2149 h264_vdpau_hwaccel_deps="vdpau"
2150 h264_vdpau_hwaccel_select="h264_decoder"
2151 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2152 hevc_d3d11va_hwaccel_select="hevc_decoder"
2153 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2154 hevc_dxva2_hwaccel_select="hevc_decoder"
2155 hevc_qsv_hwaccel_deps="libmfx"
2156 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2157 hevc_vdpau_hwaccel_select="hevc_decoder"
2158 mpeg1_vdpau_hwaccel_deps="vdpau"
2159 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2160 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2161 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2162 mpeg2_dxva2_hwaccel_deps="dxva2"
2163 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2164 mpeg2_mmal_hwaccel_deps="mmal"
2165 mpeg2_qsv_hwaccel_deps="libmfx"
2166 mpeg2_vaapi_hwaccel_deps="vaapi"
2167 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2168 mpeg2_vdpau_hwaccel_deps="vdpau"
2169 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2170 mpeg4_vaapi_hwaccel_deps="vaapi"
2171 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2172 mpeg4_vdpau_hwaccel_deps="vdpau"
2173 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2174 vc1_d3d11va_hwaccel_deps="d3d11va"
2175 vc1_d3d11va_hwaccel_select="vc1_decoder"
2176 vc1_dxva2_hwaccel_deps="dxva2"
2177 vc1_dxva2_hwaccel_select="vc1_decoder"
2178 vc1_mmal_hwaccel_deps="mmal"
2179 vc1_qsv_hwaccel_deps="libmfx"
2180 vc1_vaapi_hwaccel_deps="vaapi"
2181 vc1_vaapi_hwaccel_select="vc1_decoder"
2182 vc1_vdpau_hwaccel_deps="vdpau"
2183 vc1_vdpau_hwaccel_select="vc1_decoder"
2184 vp8_qsv_hwaccel_deps="libmfx"
2185 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2186 vp8_vaapi_hwaccel_select="vp8_decoder"
2187 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2188 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2189 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2190 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2192 # hardware-accelerated codecs
2193 nvenc_deps_any="dlopen LoadLibrary"
2194 nvenc_extralibs='$ldl'
2195 omx_deps="dlopen pthreads"
2196 omx_extralibs='$ldl'
2197 omx_rpi_select="omx"
2200 vaapi_encode_deps="vaapi"
2202 hwupload_cuda_filter_deps="cuda"
2203 scale_npp_filter_deps="cuda libnpp"
2205 h264_mmal_decoder_deps="mmal"
2206 h264_nvenc_encoder_deps="nvenc"
2207 h264_omx_encoder_deps="omx"
2208 h264_qsv_decoder_deps="libmfx"
2209 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2210 h264_qsv_encoder_deps="libmfx"
2211 h264_qsv_encoder_select="qsvenc"
2212 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2213 h264_vaapi_encoder_select="vaapi_encode golomb"
2214 hevc_nvenc_encoder_deps="nvenc"
2215 hevc_qsv_decoder_deps="libmfx"
2216 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2217 hevc_qsv_encoder_deps="libmfx"
2218 hevc_qsv_encoder_select="hevc_ps qsvenc"
2219 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2220 hevc_vaapi_encoder_select="vaapi_encode golomb"
2221 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2222 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2223 mpeg2_mmal_decoder_deps="mmal"
2224 mpeg2_qsv_decoder_deps="libmfx"
2225 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2226 mpeg2_qsv_encoder_deps="libmfx"
2227 mpeg2_qsv_encoder_select="qsvenc"
2228 mpeg4_omx_encoder_deps="omx"
2229 vc1_mmal_decoder_deps="mmal"
2230 vc1_qsv_decoder_deps="libmfx"
2231 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2232 vp8_qsv_decoder_deps="libmfx"
2233 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2235 nvenc_h264_encoder_select="h264_nvenc_encoder"
2236 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2239 h264_parser_select="golomb h264dsp h264parse"
2240 hevc_parser_select="hevc_ps"
2241 mpegaudio_parser_select="mpegaudioheader"
2242 mpegvideo_parser_select="mpegvideo"
2243 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2244 vc1_parser_select="vc1dsp"
2247 mjpeg2jpeg_bsf_select="jpegtables"
2249 # external libraries
2250 avisynth_deps="LoadLibrary"
2251 avxsynth_deps="dlopen"
2252 avisynth_demuxer_deps_any="avisynth avxsynth"
2253 avisynth_demuxer_select="riffdec"
2254 libdcadec_decoder_deps="libdcadec"
2255 libfaac_encoder_deps="libfaac"
2256 libfaac_encoder_select="audio_frame_queue"
2257 libfdk_aac_decoder_deps="libfdk_aac"
2258 libfdk_aac_encoder_deps="libfdk_aac"
2259 libfdk_aac_encoder_select="audio_frame_queue"
2260 libgsm_decoder_deps="libgsm"
2261 libgsm_encoder_deps="libgsm"
2262 libgsm_ms_decoder_deps="libgsm"
2263 libgsm_ms_encoder_deps="libgsm"
2264 libilbc_decoder_deps="libilbc"
2265 libilbc_encoder_deps="libilbc"
2266 libkvazaar_encoder_deps="libkvazaar"
2267 libmp3lame_encoder_deps="libmp3lame"
2268 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2269 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2270 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2271 libopencore_amrnb_encoder_select="audio_frame_queue"
2272 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2273 libopenh264_decoder_deps="libopenh264"
2274 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2275 libopenh264_encoder_deps="libopenh264"
2276 libopenjpeg_decoder_deps="libopenjpeg"
2277 libopenjpeg_encoder_deps="libopenjpeg"
2278 libopus_decoder_deps="libopus"
2279 libopus_encoder_deps="libopus"
2280 libopus_encoder_select="audio_frame_queue"
2281 libschroedinger_decoder_deps="libschroedinger"
2282 libschroedinger_encoder_deps="libschroedinger"
2283 libspeex_decoder_deps="libspeex"
2284 libspeex_encoder_deps="libspeex"
2285 libspeex_encoder_select="audio_frame_queue"
2286 libtheora_encoder_deps="libtheora"
2287 libtwolame_encoder_deps="libtwolame"
2288 libvo_aacenc_encoder_deps="libvo_aacenc"
2289 libvo_aacenc_encoder_select="audio_frame_queue"
2290 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2291 libvorbis_encoder_deps="libvorbis"
2292 libvorbis_encoder_select="audio_frame_queue"
2293 libvpx_vp8_decoder_deps="libvpx"
2294 libvpx_vp8_encoder_deps="libvpx"
2295 libvpx_vp9_decoder_deps="libvpx"
2296 libvpx_vp9_encoder_deps="libvpx"
2297 libwavpack_encoder_deps="libwavpack"
2298 libwavpack_encoder_select="audio_frame_queue"
2299 libwebp_encoder_deps="libwebp"
2300 libx262_encoder_deps="libx262"
2301 libx264_encoder_deps="libx264"
2302 libx265_encoder_deps="libx265"
2303 libxavs_encoder_deps="libxavs"
2304 libxvid_encoder_deps="libxvid mkstemp"
2307 ac3_demuxer_select="ac3_parser"
2308 asf_demuxer_select="riffdec"
2309 asf_muxer_select="riffenc"
2310 asf_stream_muxer_select="asf_muxer"
2311 avi_demuxer_select="iso_media riffdec"
2312 avi_muxer_select="riffenc"
2313 caf_demuxer_select="iso_media riffdec"
2314 dash_muxer_select="mp4_muxer"
2315 dirac_demuxer_select="dirac_parser"
2316 dv_demuxer_select="dvprofile"
2317 dv_muxer_select="dvprofile"
2318 dxa_demuxer_select="riffdec"
2319 eac3_demuxer_select="ac3_parser"
2320 f4v_muxer_select="mov_muxer"
2321 flac_demuxer_select="flac_parser"
2322 hds_muxer_select="flv_muxer"
2323 hls_muxer_select="mpegts_muxer"
2324 ipod_muxer_select="mov_muxer"
2325 ismv_muxer_select="mov_muxer"
2326 matroska_audio_muxer_select="matroska_muxer"
2327 matroska_demuxer_select="iso_media riffdec"
2328 matroska_demuxer_suggest="bzlib lzo zlib"
2329 matroska_muxer_select="iso_media riffenc"
2330 mmf_muxer_select="riffenc"
2331 mov_demuxer_select="iso_media riffdec"
2332 mov_demuxer_suggest="zlib"
2333 mov_muxer_select="iso_media riffenc rtpenc_chain"
2334 mp3_demuxer_select="mpegaudio_parser"
2335 mp3_muxer_select="mpegaudioheader"
2336 mp4_muxer_select="mov_muxer"
2337 mpegts_demuxer_select="iso_media"
2338 mpegts_muxer_select="adts_muxer latm_muxer"
2339 mpegtsraw_demuxer_select="mpegts_demuxer"
2340 mxf_d10_muxer_select="mxf_muxer"
2341 nut_muxer_select="riffenc"
2342 nuv_demuxer_select="riffdec"
2343 oga_muxer_select="ogg_muxer"
2344 ogg_demuxer_select="dirac_parse"
2345 opus_muxer_select="ogg_muxer"
2346 psp_muxer_select="mov_muxer"
2347 rtp_demuxer_select="sdp_demuxer"
2348 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2349 rtsp_demuxer_select="http_protocol rtpdec"
2350 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2351 sap_demuxer_select="sdp_demuxer"
2352 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2353 sdp_demuxer_select="rtpdec"
2354 smoothstreaming_muxer_select="ismv_muxer"
2355 spdif_muxer_select="aac_parser"
2356 spx_muxer_select="ogg_muxer"
2357 swf_demuxer_suggest="zlib"
2358 tak_demuxer_select="tak_parser"
2359 tg2_muxer_select="mov_muxer"
2360 tgp_muxer_select="mov_muxer"
2361 w64_demuxer_select="wav_demuxer"
2362 wav_demuxer_select="riffdec"
2363 wav_muxer_select="riffenc"
2364 webm_muxer_select="iso_media riffenc"
2365 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2366 wtv_demuxer_select="mpegts_demuxer riffdec"
2367 xmv_demuxer_select="riffdec"
2368 xwma_demuxer_select="riffdec"
2371 alsa_indev_deps="alsa"
2372 alsa_outdev_deps="alsa"
2373 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2374 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2375 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2376 dv1394_indev_deps="dv1394"
2377 dv1394_indev_select="dv_demuxer"
2378 fbdev_indev_deps="linux_fb_h"
2379 jack_indev_deps="jack"
2380 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2381 libcdio_indev_deps="libcdio"
2382 libdc1394_indev_deps="libdc1394"
2383 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2384 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2385 pulse_indev_deps="libpulse"
2386 sndio_indev_deps="sndio"
2387 sndio_outdev_deps="sndio"
2388 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2389 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2390 vfwcap_indev_extralibs="-lavicap32"
2391 xcbgrab_indev_deps="libxcb"
2394 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2395 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2396 ffrtmpcrypt_protocol_select="tcp_protocol"
2397 ffrtmphttp_protocol_deps="!librtmp_protocol"
2398 ffrtmphttp_protocol_select="http_protocol"
2399 gopher_protocol_select="network"
2400 http_protocol_select="tcp_protocol"
2401 httpproxy_protocol_select="tcp_protocol"
2402 https_protocol_select="tls_protocol"
2403 icecast_protocol_select="http_protocol"
2404 librtmp_protocol_deps="librtmp"
2405 librtmpe_protocol_deps="librtmp"
2406 librtmps_protocol_deps="librtmp"
2407 librtmpt_protocol_deps="librtmp"
2408 librtmpte_protocol_deps="librtmp"
2409 mmsh_protocol_select="http_protocol"
2410 mmst_protocol_select="network"
2411 rtmp_protocol_deps="!librtmp_protocol"
2412 rtmp_protocol_select="tcp_protocol"
2413 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2414 rtmps_protocol_deps="!librtmp_protocol"
2415 rtmps_protocol_select="tls_protocol"
2416 rtmpt_protocol_select="ffrtmphttp_protocol"
2417 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2418 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2419 rtp_protocol_select="udp_protocol"
2420 sctp_protocol_deps="struct_sctp_event_subscribe"
2421 sctp_protocol_select="network"
2422 srtp_protocol_select="rtp_protocol srtp"
2423 tcp_protocol_select="network"
2424 tls_gnutls_protocol_deps="gnutls"
2425 tls_gnutls_protocol_select="tcp_protocol"
2426 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2427 tls_openssl_protocol_select="tcp_protocol"
2428 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2429 udp_protocol_select="network"
2430 unix_protocol_deps="sys_un_h"
2431 unix_protocol_select="network"
2434 asyncts_filter_deps="avresample"
2435 blackframe_filter_deps="gpl"
2436 boxblur_filter_deps="gpl"
2437 bs2b_filter_deps="libbs2b"
2438 cropdetect_filter_deps="gpl"
2439 deinterlace_qsv_filter_deps="libmfx"
2440 deinterlace_vaapi_filter_deps="vaapi"
2441 delogo_filter_deps="gpl"
2442 drawtext_filter_deps="libfreetype"
2443 frei0r_filter_deps="frei0r dlopen"
2444 frei0r_filter_extralibs='$ldl'
2445 frei0r_src_filter_deps="frei0r dlopen"
2446 frei0r_src_filter_extralibs='$ldl'
2447 hdcd_filter_deps="libhdcd"
2448 hqdn3d_filter_deps="gpl"
2449 interlace_filter_deps="gpl"
2450 movie_filter_deps="avcodec avformat"
2451 ocv_filter_deps="libopencv"
2452 resample_filter_deps="avresample"
2453 scale_filter_deps="swscale"
2454 scale_qsv_filter_deps="libmfx"
2455 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2458 decode_audio_example_deps="avcodec avutil"
2459 decode_video_example_deps="avcodec avutil"
2460 encode_audio_example_deps="avcodec avutil"
2461 encode_video_example_deps="avcodec avutil"
2462 filter_audio_example_deps="avfilter avutil"
2463 metadata_example_deps="avformat avutil"
2464 output_example_deps="avcodec avformat avresample avutil swscale"
2465 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2466 transcode_aac_example_deps="avcodec avformat avresample"
2468 # libraries, in linking order
2469 avcodec_deps="avutil"
2470 avcodec_select="null_bsf"
2471 avdevice_deps="avformat avcodec avutil"
2472 avfilter_deps="avutil"
2473 avformat_deps="avcodec avutil"
2474 avresample_deps="avutil"
2475 swscale_deps="avutil"
2478 avconv_deps="avcodec avfilter avformat avresample swscale"
2479 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2480 fps_filter null_filter resample_filter scale_filter
2482 avplay_deps="avcodec avfilter avformat avresample sdl"
2483 avplay_extralibs='$sdl_extralibs'
2484 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2485 avprobe_deps="avcodec avformat"
2489 texi2html_deps="doc"
2491 # default parameters
2493 logfile="config.log"
2495 # installation paths
2496 prefix_default="/usr/local"
2497 bindir_default='${prefix}/bin'
2498 datadir_default='${prefix}/share/avconv'
2499 docdir_default='${prefix}/share/doc/libav'
2500 incdir_default='${prefix}/include'
2501 libdir_default='${prefix}/lib'
2502 mandir_default='${prefix}/share/man'
2503 shlibdir_default="$libdir_default"
2508 host_cc_default="gcc"
2512 pkg_config_default=pkg-config
2515 version_script='--version-script'
2519 arch_default=$(uname -m)
2524 target_os_default=$(tolower $(uname -s))
2525 host_os=$target_os_default
2527 # configurable options
2528 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2533 enable faan faandct faanidct
2534 enable optimizations
2535 enable safe_bitstream_reader
2537 enable swscale_alpha
2538 enable valgrind_backtrace
2540 # By default, enable only those hwaccels that have no external dependencies.
2541 enable d3d11va dxva2 vda vdpau
2544 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2547 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2550 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2551 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2552 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2553 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2554 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2555 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2556 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2578 host_extralibs='-lm'
2579 host_cflags_filter=echo
2580 host_ldflags_filter=echo
2582 target_path='$(CURDIR)'
2584 # since the object filename is not given with the -MM flag, the compiler
2585 # is only able to print the basename, and we must add the path ourselves
2586 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2590 if test -f configure; then
2593 source_path=$(cd $(dirname "$0"); pwd)
2594 echo "$source_path" | grep -q '[[:blank:]]' &&
2595 die "Out of tree builds are impossible with whitespace in source path."
2596 test -e "$source_path/config.h" &&
2597 die "Out of tree builds are impossible with config.h in source dir."
2604 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2610 file=$source_path/$3
2611 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2614 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2615 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2616 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2617 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2618 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2619 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2620 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2621 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2622 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2624 find_things_extern(){
2627 file=$source_path/$3
2628 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2631 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2632 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2648 for n in $COMPONENT_LIST; do
2649 v=$(toupper ${n%s})_LIST
2651 eval ${n}_if_any="\$$v"
2654 enable $ARCH_EXT_LIST
2657 echo "Unknown option \"$1\"."
2658 echo "See $0 --help for available options."
2663 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2669 echo $* | sed s/$suffix//g | print_3_columns
2681 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2682 echo "prob ${prob:-0.5}"
2690 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2691 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2700 --extra-ldexeflags=*)
2701 add_ldexeflags $optval
2704 add_extralibs $optval
2707 disable $INDEV_LIST $OUTDEV_LIST
2710 debuglevel="$optval"
2713 disable $PROGRAM_LIST
2715 --disable-everything)
2716 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2719 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2720 disable $LIBRARY_LIST $PROGRAM_LIST doc
2722 --enable-random|--disable-random)
2723 action=${opt%%-random}
2724 do_random ${action#--} $COMPONENT_LIST
2726 --enable-random=*|--disable-random=*)
2727 action=${opt%%-random=*}
2728 do_random ${action#--} $optval
2730 --enable-*=*|--disable-*=*)
2731 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2732 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2733 eval list=\$$(toupper $thing)_LIST
2734 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2735 $action $(filter "$name" $list)
2737 --enable-avserver|--disable-avserver*)
2738 warn "avserver has been removed, the ${opt} option is only"\
2739 "provided for compatibility and will be removed in the future"
2741 --enable-?*|--disable-?*)
2742 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2743 if is_in $option $COMPONENT_LIST; then
2744 test $action = disable && action=unset
2745 eval $action \$$(toupper ${option%s})_LIST
2746 elif is_in $option $CMDLINE_SELECT; then
2753 NAME="${opt#--list-}"
2754 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2756 eval show_list $NAME \$$(toupper $NAME)_LIST
2758 --help|-h) show_help
2760 --quiet|-q) quiet=yes
2763 optname="${opt%%=*}"
2764 optname="${optname#--}"
2765 optname=$(echo "$optname" | sed 's/-/_/g')
2766 if is_in $optname $CMDLINE_SET; then
2767 eval $optname='$optval'
2768 elif is_in $optname $CMDLINE_APPEND; then
2769 append $optname "$optval"
2781 disabled logging && logfile=/dev/null
2783 # Die early if licensing-related configure options are incompatible.
2784 die_license_disabled() {
2785 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2788 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2789 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2790 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2792 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2794 # Disable all the library-specific components if the library itself
2795 # is disabled, see AVCODEC_LIST and following _LIST variables.
2797 disable_components(){
2798 disabled ${1} && disable $(
2799 eval components="\$$(toupper ${1})_COMPONENTS"
2800 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2804 map 'disable_components $v' $LIBRARY_LIST
2806 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2809 case "$toolchain" in
2811 cc_default="${toolchain%-asan}"
2812 add_cflags -fsanitize=address
2813 add_ldflags -fsanitize=address
2816 cc_default="${toolchain%-msan}"
2817 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2818 add_ldflags -fsanitize=memory
2821 cc_default="${toolchain%-tsan}"
2822 add_cflags -fsanitize=thread -fPIE
2823 add_ldflags -fsanitize=thread -pie
2824 case "$toolchain" in
2832 cc_default="${toolchain%-usan}"
2833 add_cflags -fsanitize=undefined
2834 add_ldflags -fsanitize=undefined
2835 case "$toolchain" in
2842 target_exec_default="valgrind"
2843 case "$toolchain" in
2845 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2848 target_exec_args="--track-origins=yes --leak-check=full"
2853 # Check whether the current MSVC version needs the C99 converter.
2854 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2855 # support enough of C99 to build libav. Default to the new
2856 # behaviour if the regexp was unable to match anything, since this
2857 # successfully parses the version number of existing supported
2858 # versions that require the converter (MSVC 2010 and 2012).
2859 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2860 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2863 cc_default="c99wrap cl"
2865 ld_default="$source_path/compat/windows/mslink"
2866 nm_default="dumpbin -symbols"
2873 target_os_default="win32"
2874 # Use a relative path for TMPDIR. This makes sure all the
2875 # ffconf temp files are written with a relative path, avoiding
2876 # issues with msys/win32 path conversion for MSVC parameters
2877 # such as -Fo<file> or -out:<file>.
2883 nm_default="dumpbin -symbols"
2885 target_os_default="win32"
2889 add_cflags -fprofile-arcs -ftest-coverage
2890 add_ldflags -fprofile-arcs -ftest-coverage
2893 add_cflags -fprofile-arcs -ftest-coverage
2894 add_ldflags --coverage
2897 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2898 add_cflags -fno-strict-overflow -fstack-protector-all
2899 add_ldflags -Wl,-z,relro -Wl,-z,now
2902 die "Unknown toolchain $toolchain"
2906 test -n "$cross_prefix" && enable cross_compile
2908 if enabled cross_compile; then
2909 test -n "$arch" && test -n "$target_os" ||
2910 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
2913 ar_default="${cross_prefix}${ar_default}"
2914 cc_default="${cross_prefix}${cc_default}"
2915 occ_default="${cross_prefix}${occ_default}"
2916 nm_default="${cross_prefix}${nm_default}"
2917 pkg_config_default="${cross_prefix}${pkg_config_default}"
2918 ranlib="${cross_prefix}${ranlib}"
2919 strip="${cross_prefix}${strip}"
2921 sysinclude_default="${sysroot}/usr/include"
2923 set_default arch cc pkg_config sysinclude target_exec target_os
2924 enabled cross_compile || host_cc_default=$cc
2927 if ! $pkg_config --version >/dev/null 2>&1; then
2928 warn "$pkg_config not found, library detection may fail."
2934 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2938 EXESUF=$(exesuf $target_os)
2939 HOSTEXESUF=$(exesuf $host_os)
2941 # set temporary file name
2942 : ${TMPDIR:=$TEMPDIR}
2946 if ! check_cmd mktemp -u XXXXXX; then
2947 # simple replacement for missing mktemp
2948 # NOT SAFE FOR GENERAL USE
2950 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2955 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2956 (set -C; exec > $tmp) 2>/dev/null ||
2957 die "Unable to create temporary file in $TMPDIR."
2958 append TMPFILES $tmp
2962 trap 'rm -f -- $TMPFILES' EXIT
2966 tmpfile TMPE $EXESUF
2977 # make sure we can execute files in $TMPDIR
2978 cat > $TMPSH 2>> $logfile <<EOF
2981 chmod +x $TMPSH >> $logfile 2>&1
2982 if ! $TMPSH >> $logfile 2>&1; then
2984 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2985 variable to another directory and make sure that it is not mounted noexec.
2987 die "Sanity test failed."
2993 # Filter out MSVC cl.exe options from cflags that shouldn't
2994 # be passed to gas-preprocessor
3004 -std=c99) echo -c99 ;;
3005 -mcpu=*) echo -arch ${flag#*=} ;;
3006 -mieee) echo -ieee ;;
3007 -O*|-fast) echo $flag ;;
3008 -fno-math-errno) echo -assume nomath_errno ;;
3010 -Wall) echo -msg_enable level2 ;;
3011 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3012 -Wl,*) echo $flag ;;
3022 -Wno-switch) echo -Wno-switch-enum ;;
3023 -Wno-format-zero-length) ;;
3024 -Wdisabled-optimization) ;;
3025 -Wno-pointer-sign) echo -Wno-other ;;
3031 msvc_common_flags(){
3034 # In addition to specifying certain flags under the compiler
3035 # specific filters, they must be specified here as well or else the
3036 # generic catch all at the bottom will print the original flag.
3040 -fomit-frame-pointer) ;;
3044 -fno-signed-zeros) ;;
3048 -lz) echo zlib.lib ;;
3049 -lavicap32) echo vfw32.lib user32.lib ;;
3050 -lx264) echo libx264.lib ;;
3051 -l*) echo ${flag#-l}.lib ;;
3052 -L*) echo -libpath:${flag#-L} ;;
3059 msvc_common_flags "$@"
3062 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3063 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3064 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3065 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3071 msvc_common_flags "$@"
3074 # Despite what Intel's documentation says -Wall, which is supported
3075 # on Windows, does enable remarks so disable them here.
3076 -Wall) echo $flag -Qdiag-disable:remark ;;
3077 -std=c99) echo -Qstd=c99 ;;
3085 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3086 -fomit-frame-pointer) echo -Mnoframe ;;
3097 case "${flag#*=}" in
3098 native) echo -xtarget=native ;;
3099 v9|niagara) echo -xarch=sparc ;;
3100 ultrasparc) echo -xarch=sparcvis ;;
3101 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3102 i586|pentium) echo -xchip=pentium ;;
3103 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3104 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3105 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3106 pentium4*) echo -xtarget=pentium4 ;;
3107 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3108 *-sse3) echo -xarch=sse3 ;;
3109 core2) echo -xarch=ssse3 -xchip=core2 ;;
3110 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3111 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3112 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3113 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3114 k8|opteron|athlon64|athlon-fx)
3115 echo -xarch=sse2a ;;
3116 athlon*) echo -xarch=pentium_proa ;;
3119 -std=c99) echo -xc99 ;;
3120 -fomit-frame-pointer) echo -xregs=frameptr ;;
3121 -fPIC) echo -KPIC -xcode=pic32 ;;
3122 -W*,*) echo $flag ;;
3123 -f*-*|-W*|-mimpure-text) ;;
3134 case "${flag#*=}" in
3135 armv7-a|cortex-a*) echo -mv=7a8 ;;
3136 armv7-r|cortex-r*) echo -mv=7r4 ;;
3137 armv7-m|cortex-m*) echo -mv=7m3 ;;
3138 armv6*|arm11*) echo -mv=6 ;;
3139 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3141 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3144 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3145 -mfpu=vfp) echo --float_support=vfpv2 ;;
3146 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3147 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3148 -msoft-float) echo --float_support=vfplib ;;
3149 -O[0-3]|-mf=*) echo $flag ;;
3151 -pds=*) echo $flag ;;
3152 -D*|-I*) echo $flag ;;
3153 --gcc|--abi=*) echo $flag ;;
3163 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3164 unset _ld_o _ldflags _ld_lib _ld_path
3165 unset _depflags _DEPCMD _DEPFLAGS
3168 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3170 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3171 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3172 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3175 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3177 gcc_version=$($_cc --version | head -n1)
3178 gcc_basever=$($_cc -dumpversion)
3179 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3180 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3181 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3182 if ! $_cc -dumpversion | grep -q '^2\.'; then
3183 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3187 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3189 _ident=$($_cc --version | head -n1)
3194 elif $_cc -v 2>&1 | grep -q xlc; then
3196 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3198 _cflags_size='-O5 -qcompact'
3199 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3201 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3203 _cflags_speed='-fast'
3205 _flags_filter=ccc_flags
3206 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3207 test -d "$sysroot" || die "No valid sysroot specified."
3209 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3210 armcc_conf="$PWD/armcc.conf"
3211 $_cc --arm_linux_configure \
3212 --arm_linux_config_file="$armcc_conf" \
3213 --configure_sysroot="$sysroot" \
3214 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3215 die "Error creating armcc configuration file."
3216 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3217 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3218 as_default="${cross_prefix}gcc"
3222 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3224 _ident=$($_cc -version | head -n1 | tr -s ' ')
3225 _flags='--gcc --abi=eabi -me'
3228 _depflags='-ppa -ppd=$(@:.o=.d)'
3229 _cflags_speed='-O3 -mf=5'
3230 _cflags_size='-O3 -mf=2'
3231 _flags_filter=tms470_flags
3232 elif $_cc -v 2>&1 | grep -q clang; then
3234 _ident=$($_cc --version 2>/dev/null | head -n1)
3235 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3238 elif $_cc -V 2>&1 | grep -q Sun; then
3240 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3241 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3242 _DEPFLAGS='-xM1 -xc99'
3245 _cflags_size='-O5 -xspace'
3246 _flags_filter=suncc_flags
3247 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3249 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3250 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3253 _flags_filter='filter_out -Wdisabled-optimization'
3254 elif $_cc -v 2>&1 | grep -q Open64; then
3256 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3257 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3260 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3261 elif $_cc -V 2>&1 | grep -q Portland; then
3263 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3264 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3265 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3266 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3268 _flags_filter=pgi_flags
3269 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3271 _ident=$($_cc | head -n1)
3272 # 4509: "This form of conditional instruction is deprecated"
3273 _flags="-nologo -ignore 4509"
3274 _flags_filter=armasm_flags
3275 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3277 _ident=$($_cc 2>&1 | head -n1)
3278 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3279 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3282 if $_cc -nologo- 2>&1 | grep -q Linker; then
3289 _flags_filter=msvc_flags
3291 _ld_path='-libpath:'
3293 elif $_cc 2>&1 | grep -q Intel; then
3295 _ident=$($_cc 2>&1 | head -n1)
3296 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3297 # Not only is O3 broken on 13.x+ but it is slower on all previous
3298 # versions (tested) as well.
3300 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3301 if $_cc 2>&1 | grep -q Linker; then
3308 _flags_filter=icl_flags
3310 _ld_path='-libpath:'
3311 # -Qdiag-error to make icl error when seeing certain unknown arguments
3312 _flags='-nologo -Qdiag-error:4044,10157'
3313 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3314 # with MSVC which enables it by default.
3315 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3316 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3317 # lld can emulate multiple different linkers; in ms link.exe mode,
3318 # the -? parameter gives the help output which contains an identifyable
3319 # string, while it gives an error in other modes.
3321 # The link.exe mode doesn't have a switch for getting the version,
3322 # but we can force it back to gnu mode and get the version from there.
3323 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3325 _flags_filter=msvc_flags
3327 _ld_path='-libpath:'
3328 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3330 _ident=$($_cc --version | head -n1)
3334 _flags_filter=cparser_flags
3337 eval ${pfx}_type=\$_type
3338 eval ${pfx}_ident=\$_ident
3342 eval ${1}_C=\${_cc_c-\${${1}_C}}
3343 eval ${1}_E=\${_cc_e-\${${1}_E}}
3344 eval ${1}_O=\${_cc_o-\${${1}_O}}
3346 if [ -n "$_depflags" ]; then
3347 eval ${1}_DEPFLAGS=\$_depflags
3349 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3350 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3351 eval DEP${1}FLAGS=\$_flags
3356 cflags_filter=$_flags_filter
3357 cflags_speed=$_cflags_speed
3358 cflags_size=$_cflags_size
3359 cflags_noopt=$_cflags_noopt
3360 add_cflags $_flags $_cflags
3361 cc_ldflags=$_ldflags
3364 probe_cc hostcc "$host_cc"
3365 host_cflags_filter=$_flags_filter
3366 add_host_cflags $_flags $_cflags
3369 test -n "$cc_type" && enable $cc_type ||
3370 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3372 : ${as_default:=$cc}
3373 : ${objcc_default:=$cc}
3374 : ${dep_cc_default:=$cc}
3375 : ${ld_default:=$cc}
3376 : ${host_ld_default:=$host_cc}
3377 set_default ar as objcc dep_cc ld host_ld
3380 asflags_filter=$_flags_filter
3381 add_asflags $_flags $_cflags
3384 probe_cc objcc "$objcc"
3385 objcflags_filter=$_flags_filter
3386 add_objcflags $_flags $_cflags
3390 ldflags_filter=$_flags_filter
3391 add_ldflags $_flags $_ldflags
3392 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3394 LD_LIB=${_ld_lib-$LD_LIB}
3395 LD_PATH=${_ld_path-$LD_PATH}
3397 probe_cc hostld "$host_ld"
3398 host_ldflags_filter=$_flags_filter
3399 add_host_ldflags $_flags $_ldflags
3400 HOSTLD_O=${_ld_o-$HOSTLD_O}
3402 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3403 probe_cc depcc "$dep_cc"
3404 CCDEP=${_DEPCMD:-$DEPCMD}
3405 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3409 if $ar 2>&1 | grep -q Microsoft; then
3412 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3415 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3416 arflags='-Xany -r -c'
3423 add_cflags $extra_cflags
3424 add_objcflags $extra_objcflags
3425 add_asflags $extra_cflags
3427 if test -n "$sysroot"; then
3430 add_cppflags --sysroot="$sysroot"
3431 add_ldflags --sysroot="$sysroot"
3434 add_cppflags -I"$sysinclude"
3435 add_ldflags --sysroot="$sysroot"
3440 if test "$cpu" = host; then
3441 enabled cross_compile &&
3442 die "--cpu=host makes no sense when cross-compiling."
3447 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3449 s/.*$1=\\([^ ]*\\).*/\\1/
3454 cpu=$(check_native -march || check_native -mcpu)
3458 test "${cpu:-host}" = host &&
3459 die "--cpu=host not supported with compiler $cc"
3462 # Deal with common $arch aliases
3486 "Power Macintosh"|ppc*|powerpc*)
3501 i[3-6]86|i86pc|BePC|x86pc|x86_64|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:-$1}" \
3534 if check_arm_arch 4; then echo armv4
3535 elif check_arm_arch 4T; then echo armv4t
3536 elif check_arm_arch 5; then echo armv5
3537 elif check_arm_arch 5E; then echo armv5e
3538 elif check_arm_arch 5T; then echo armv5t
3539 elif check_arm_arch 5TE; then echo armv5te
3540 elif check_arm_arch 5TEJ; then echo armv5te
3541 elif check_arm_arch 6; then echo armv6
3542 elif check_arm_arch 6J; then echo armv6j
3543 elif check_arm_arch 6K; then echo armv6k
3544 elif check_arm_arch 6Z; then echo armv6z
3545 elif check_arm_arch 6ZK; then echo armv6zk
3546 elif check_arm_arch 6T2; then echo armv6t2
3547 elif check_arm_arch 7; then echo armv7
3548 elif check_arm_arch 7A 7_A; then echo armv7-a
3549 elif check_arm_arch 7S; then echo armv7-a
3550 elif check_arm_arch 7R 7_R; then echo armv7-r
3551 elif check_arm_arch 7M 7_M; then echo armv7-m
3552 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3553 elif check_arm_arch 8A 8_A; then echo armv8-a
3557 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3561 cpuflags="-march=$cpu"
3562 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3565 cpuflags="-mcpu=$cpu"
3567 cortex-a*) subarch=armv7a ;;
3568 cortex-r*) subarch=armv7r ;;
3569 cortex-m*) enable thumb; subarch=armv7m ;;
3570 arm11*) subarch=armv6 ;;
3571 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3572 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3573 *) subarch=$(probe_arm_arch) ;;
3579 armv5t*) enable fast_clz ;;
3580 armv[6-8]*) enable fast_clz fast_unaligned ;;
3583 elif enabled avr32; then
3588 cpuflags="-mpart=$cpu"
3592 cpuflags="-march=$cpu"
3596 cpuflags="-mcpu=$cpu"
3600 cpuflags="-march=$cpu"
3604 elif enabled bfin; then
3606 cpuflags="-mcpu=$cpu"
3608 elif enabled mips; then
3610 cpuflags="-march=$cpu"
3612 elif enabled ppc; then
3616 case $(tolower $cpu) in
3617 601|ppc601|powerpc601)
3618 cpuflags="-mcpu=601"
3621 603*|ppc603*|powerpc603*)
3622 cpuflags="-mcpu=603"
3625 604*|ppc604*|powerpc604*)
3626 cpuflags="-mcpu=604"
3629 g3|75*|ppc75*|powerpc75*)
3630 cpuflags="-mcpu=750"
3633 g4|745*|ppc745*|powerpc745*)
3634 cpuflags="-mcpu=7450"
3637 74*|ppc74*|powerpc74*)
3638 cpuflags="-mcpu=7400"
3641 g5|970|ppc970|powerpc970)
3642 cpuflags="-mcpu=970"
3646 cpuflags="-mcpu=$cpu"
3650 cpuflags="-mcpu=$cpu"
3654 cpuflags="-mcpu=cell"
3659 cpuflags="-mcpu=e500mc"
3663 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3668 cpuflags="-mcpu=8540 -mhard-float"
3674 elif enabled sparc; then
3677 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3678 cpuflags="-mcpu=$cpu"
3680 ultrasparc*|niagara[234])
3681 cpuflags="-mcpu=$cpu"
3685 elif enabled x86; then
3689 cpuflags="-march=$cpu"
3693 # targets that do NOT support nopl and conditional mov (cmov)
3694 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3695 cpuflags="-march=$cpu"
3698 # targets that do support nopl and conditional mov (cmov)
3699 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3700 cpuflags="-march=$cpu"
3704 # targets that do support conditional mov but on which it's slow
3705 pentium4|pentium4m|prescott|nocona)
3706 cpuflags="-march=$cpu"
3714 if [ "$cpu" != generic ]; then
3715 add_cflags $cpuflags
3716 add_asflags $cpuflags
3717 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3720 # compiler sanity check
3722 int main(void){ return 0; }
3724 if test "$?" != 0; then
3725 echo "$cc is unable to create an executable file."
3726 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3727 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3728 echo "Only do this if you know what cross compiling means."
3730 die "C compiler test failed."
3733 add_cppflags -D_ISOC99_SOURCE
3735 # some compilers silently accept -std=c11, so we also need to check that the
3736 # version macro is defined properly
3737 if test_cflags_cpp -std=c11 "__STDC_VERSION__ >= 201112L"; then
3740 check_cflags -std=c99
3743 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3746 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3750 add_host_cppflags -D_ISOC99_SOURCE
3751 check_host_cflags -std=c99
3752 check_host_cflags -Wall
3753 check_host_cflags -O3
3759 check_code cc "" "int test[2*($expr) - 1]" &&
3760 subarch=$arch64 || subarch=$arch32
3768 check_64bit mips mips64 '_MIPS_SIM > 1'
3772 check_64bit parisc parisc64 'sizeof(void *) > 4'
3776 check_64bit ppc ppc64 'sizeof(void *) > 4'
3780 check_64bit s390 s390x 'sizeof(void *) > 4'
3784 check_64bit sparc sparc64 'sizeof(void *) > 4'
3788 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3789 if test "$subarch" = "x86_64"; then
3796 enabled spic && enable_weak pic
3802 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3803 enabled shared && add_ldflags -Wl,-brtl
3807 enable section_data_rel_ro
3808 SLIB_INSTALL_NAME='$(SLIBNAME)'
3810 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3813 prefix_default="/boot/common"
3814 network_extralibs="-lnetwork"
3818 SHFLAGS='-shared -Wl,-h,$$(@F)'
3819 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3820 network_extralibs="-lsocket -lnsl"
3821 # When using suncc to build, the Solaris linker will mark
3822 # an executable with each instruction set encountered by
3823 # the Solaris assembler. As our libraries contain their own
3824 # guards for processor-specific code, instead suppress
3825 # generation of the HWCAPS ELF section on Solaris x86 only.
3826 enabled_all suncc x86 &&
3827 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3828 add_ldflags -Wl,-M,mapfile
3829 nm_default='nm -P -g'
3831 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3835 oss_indev_extralibs="-lossaudio"
3836 oss_outdev_extralibs="-lossaudio"
3841 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3843 oss_indev_extralibs="-lossaudio"
3844 oss_outdev_extralibs="-lossaudio"
3852 add_extralibs -lpoll -lgnugetopt
3855 enabled ppc && add_asflags -force_cpusubtype_ALL
3856 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3857 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3858 add_ldflags -Wl,-dynamic,-search_paths_first
3860 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3861 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3863 enabled x86_64 && objformat="macho64"
3864 enabled_any pic shared ||
3865 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3866 check_header dispatch/dispatch.h &&
3867 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3870 die "Native MSYS builds are discouraged, please use the MINGW environment."
3873 if test $target_os = "mingw32ce"; then
3879 if enabled x86_64; then
3880 LIBTARGET="i386:x86-64"
3881 elif enabled arm; then
3884 check_ldflags -Wl,--nxcompat
3885 check_ldflags -Wl,--dynamicbase
3886 shlibdir_default="$bindir_default"
3889 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3890 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3891 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3892 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3894 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3895 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3896 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3898 dlltool="${cross_prefix}dlltool"
3904 if enabled shared; then
3905 # Link to the import library instead of the normal static library
3908 # Cannot build both shared and static libs with MSVC or icl.
3911 shlibdir_default="$bindir_default"
3914 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3915 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3916 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3917 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3919 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3920 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3921 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3928 shlibdir_default="$bindir_default"
3931 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3932 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3933 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3935 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
3936 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
3940 *-dos|freedos|opendos)
3941 network_extralibs="-lsocket"
3944 add_cppflags -U__STRICT_ANSI__
3948 enable section_data_rel_ro
3952 ranlib="echo ignoring ranlib"
3957 add_cppflags -D_GNU_SOURCE
3958 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3959 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3963 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3964 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3965 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3966 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3967 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3968 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3969 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3970 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3971 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3972 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3976 add_cppflags -D_BSD_SOURCE
3981 add_cppflags -D_QNX_SOURCE
3982 network_extralibs="-lsocket"
3987 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3988 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3989 add_ldflags -Wl,--target1-abs,--no-undefined \
3990 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3991 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3992 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3993 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3994 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3997 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4004 die "Unknown OS '$target_os'."
4008 # determine libc flavour
4013 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4014 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4015 eval ${pfx}libc_type=uclibc
4016 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4017 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4018 eval ${pfx}libc_type=glibc
4019 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4020 # MinGW headers can be installed on Cygwin, so check for newlib first.
4021 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4022 eval ${pfx}libc_type=newlib
4023 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
4024 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4025 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4026 eval ${pfx}libc_type=mingw64
4027 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4028 eval test \$${pfx_no_}cc_type = "gcc" &&
4029 add_${pfx}cppflags -D__printf__=__gnu_printf__
4030 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4031 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4032 eval ${pfx}libc_type=mingw32
4033 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4034 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4035 die "ERROR: MinGW32 runtime version must be >= 3.15."
4036 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4037 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700__" &&
4038 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
4039 eval test \$${pfx_no_}cc_type = "gcc" &&
4040 add_${pfx}cppflags -D__printf__=__gnu_printf__
4041 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4042 eval ${pfx}libc_type=msvcrt
4043 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4044 if [ "$pfx" = host_ ]; then
4045 add_host_cppflags -Dsnprintf=_snprintf
4047 add_compat strtod.o strtod=avpriv_strtod
4048 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4049 _snprintf=avpriv_snprintf \
4050 vsnprintf=avpriv_vsnprintf
4053 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
4054 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4055 # 0x601 by default unless something else is set by the user.
4056 # This can easily lead to us detecting functions only present
4057 # in such new versions and producing binaries requiring windows 7.0.
4058 # Therefore explicitly set the default to XP unless the user has
4059 # set something else on the command line.
4060 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4061 # family. For these cases, configure is free to use any functions
4062 # found in the SDK headers by default. (Alternatively, we could force
4063 # _WIN32_WINNT to 0x0602 in that case.)