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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [avbuild/config.log]
81 --disable-logging do not log configure debug information
82 --prefix=PREFIX install in PREFIX [$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-libjack JACK audio sound server
207 --enable-libkvazaar HEVC video encoding
208 --enable-libmp3lame MP3 audio encoding
209 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
210 --enable-libopencore-amrwb AMR-WB audio decoding
211 --enable-libopencv computer vision
212 --enable-libopenh264 H.264 video encoding/decoding
213 --enable-libopenjpeg JPEG 2000 image encoding/decoding
214 --enable-libopus Opus audio encoding/decoding
215 --enable-libpulse Pulseaudio sound server
216 --enable-librtmp RTMP streaming
217 --enable-libschroedinger Dirac video encoding/decoding
218 --enable-libsnappy snappy compression
219 --enable-libspeex Speex audio encoding/decoding
220 --enable-libtheora Theora video encoding/decoding
221 --enable-libtwolame MP2 audio encoding
222 --enable-libvo-aacenc AAC audio encoding
223 --enable-libvo-amrwbenc AMR-WB audio encoding
224 --enable-libvorbis Vorbis audio encoding/decoding
225 --enable-libvpx VP* video encoding/decoding
226 --enable-libwavpack Wavpack audio encoding/decoding
227 --enable-libwebp WebP image encoding/decoding
228 --enable-libx264 H.264 video encoding
229 --enable-libx265 HEVC video encoding
230 --enable-libxavs Chinese AVS video encoding
231 --enable-libxcb X window system protocol communication
232 --enable-libxcb-shm X11 shm communication [auto]
233 --enable-libxcb-xfixes X11 mouse rendering [auto]
234 --enable-libxvid MPEG-4 ASP video encoding
235 --enable-openssl crypto
236 --enable-zlib compression [autodetect]
238 The following libraries provide various hardware acceleration features:
239 --enable-cuda Nvidia CUDA (dynamically linked)
240 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
241 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
242 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
243 --enable-libnpp Nvidia CUDA processing
244 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
245 --enable-nvenc Nvidia video encoding
246 --enable-omx OpenMAX IL
247 --enable-omx-rpi OpenMAX IL for Raspberry Pi
248 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
249 --enable-vda Apple Video Decode Acceleration [auto]
250 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
253 --arch=ARCH select architecture [$arch]
254 --cpu=CPU select the minimum required CPU (affects
255 instruction selection, may crash on older CPUs)
256 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
257 --enable-cross-compile assume a cross-compiler is used
258 --sysroot=PATH root of cross-build tree
259 --sysinclude=PATH location of cross-build system headers
260 --target-os=OS compiler targets OS [$target_os]
261 --target-exec=CMD command to run executables on target
262 --target-path=DIR path to view of build directory on target
263 --target-samples=DIR path to samples directory on target
264 --toolchain=NAME set tool defaults according to NAME
266 --ar=AR use archive tool AR [$ar_default]
267 --as=AS use assembler AS [$as_default]
268 --cc=CC use C compiler CC [$cc_default]
269 --objcc=OCC use ObjC compiler OCC [$cc_default]
270 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
271 --ld=LD use linker LD
272 --x86asmexe=X86ASM use x86 assembler X86ASM
273 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
274 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
275 --host-cc=HOSTCC use host C compiler HOSTCC
276 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
277 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
278 --host-ld=HOSTLD use host linker HOSTLD
279 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
280 --host-libs=HLIBS use libs HLIBS when linking for host
281 --host-os=OS compiler host OS [$target_os]
282 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
283 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
284 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
285 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
286 --extra-libs=ELIBS add ELIBS [$ELIBS]
287 --extra-version=STRING version string suffix []
288 --optflags=OPTFLAGS override optimization-related compiler flags
289 --enable-pic build position-independent code
290 --enable-thumb compile for Thumb instruction set
291 --enable-lto use link-time optimization
292 --env="ENV=override" override the environment variables
294 Advanced options (experts only):
295 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
296 --custom-allocator=NAME use a supported custom allocator
297 --disable-symver disable symbol versioning
298 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
299 --disable-safe-bitstream-reader
300 disable buffer boundary checking in bitreaders
301 (faster, but may crash)
302 --enable-sram allow use of on-chip SRAM
304 Optimization options (experts only):
305 --disable-asm disable all assembly optimizations
306 --disable-altivec disable AltiVec optimizations
307 --disable-vsx disable VSX optimizations
308 --disable-power8 disable POWER8 optimizations
309 --disable-amd3dnow disable 3DNow! optimizations
310 --disable-amd3dnowext disable 3DNow! extended optimizations
311 --disable-mmx disable MMX optimizations
312 --disable-mmxext disable MMXEXT optimizations
313 --disable-sse disable SSE optimizations
314 --disable-sse2 disable SSE2 optimizations
315 --disable-sse3 disable SSE3 optimizations
316 --disable-ssse3 disable SSSE3 optimizations
317 --disable-sse4 disable SSE4 optimizations
318 --disable-sse42 disable SSE4.2 optimizations
319 --disable-avx disable AVX optimizations
320 --disable-xop disable XOP optimizations
321 --disable-fma3 disable FMA3 optimizations
322 --disable-fma4 disable FMA4 optimizations
323 --disable-avx2 disable AVX2 optimizations
324 --disable-armv5te disable armv5te optimizations
325 --disable-armv6 disable armv6 optimizations
326 --disable-armv6t2 disable armv6t2 optimizations
327 --disable-vfp disable VFP optimizations
328 --disable-neon disable NEON optimizations
329 --disable-inline-asm disable use of inline assembly
330 --disable-x86asm disable use of standalone x86 assembly
332 Developer options (useful when working on Libav itself):
333 --disable-debug disable debugging symbols
334 --enable-debug=LEVEL set the debug level [$debuglevel]
335 --disable-optimizations disable compiler optimizations
336 --enable-extra-warnings enable more compiler warnings
337 --samples=PATH location of test samples for FATE, if not set use
338 \$LIBAV_SAMPLES at make invocation time.
339 --enable-neon-clobber-test check NEON registers for clobbering (should be
340 used only for debugging purposes)
341 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
342 should be used only for debugging purposes)
343 --enable-random randomly enable/disable components
345 --enable-random=LIST randomly enable/disable specific components or
346 --disable-random=LIST component groups. LIST is a comma-separated list
347 of NAME[:PROB] entries where NAME is a component
348 (group) and PROB the probability associated with
350 --random-seed=VALUE seed value for --enable/disable-random
351 --disable-valgrind-backtrace do not print a backtrace under Valgrind
352 (only applies to --disable-optimizations builds)
353 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
354 in the name) of tests whose result is ignored
356 NOTE: Object files are built at the place where configure is launched.
364 echo "$@" >> $logfile
371 printf '%5s %s\n' "${i}" "${line}"
373 done < $1 >> $logfile
384 WARNINGS="${WARNINGS}WARNING: $*\n"
391 If you think configure made a mistake, make sure you are using the latest
392 version from Git. If the latest version fails, report the problem to the
393 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
395 if disabled logging; then
397 Rerun configure with logging enabled (do not use --disable-logging), and
398 include the log this produces with your report.
402 Include the log file "$logfile" produced by configure as this will help
409 # Avoid locale weirdness, besides we really just want to translate ASCII.
411 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
415 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
419 echo "$*" | sed 's/["\\]/\\\0/g'
423 v=$(echo "$1" | sed "s/'/'\\\\''/g")
424 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
429 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
436 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
444 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
451 for v; do eval $m; done
457 for v; do echo ${v}${suffix}; done
472 eval : \${$var:=$value}
477 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
483 eval $(sanitize_var_name "$var")='$*'
487 eval echo \$$(sanitize_var_name "$1")
492 eval level=\${${pvar}_level:=0}
493 eval ${pvar}_${level}="\$$pvar"
494 eval ${pvar}_level=$(($level+1))
500 eval level=\${${pvar}_level:-0}
501 test $level = 0 && continue
502 eval level=$(($level-1))
503 eval $pvar="\${${pvar}_${level}}"
504 eval ${pvar}_level=$level
505 eval unset ${pvar}_${level}
527 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
533 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
539 enabled $var && continue
540 eval sel="\$${var}_select"
541 eval sgs="\$${var}_suggest"
545 enable_deep_weak $sgs
557 disabled $var && continue
566 test "${1#!}" = "$1" && op== || op=!=
567 eval test "x\$${1#!}" $op "xyes"
571 test "${1#!}" = "$1" && op== || op=!=
572 eval test "x\$${1#!}" $op "xno"
577 enabled $opt || return 1
583 disabled $opt || return 1
589 enabled $opt && return 0
595 disabled $opt && return 0
602 eval : \${$opt:=\$${opt}_default}
610 [ $var = $value ] && return 0
617 enabled ${cfg}_checking && die "Circular dependency for $cfg."
618 disabled ${cfg}_checking && continue
619 enable ${cfg}_checking
621 eval dep_all="\$${cfg}_deps"
622 eval dep_any="\$${cfg}_deps_any"
623 eval dep_con="\$${cfg}_conflict"
624 eval dep_sel="\$${cfg}_select"
625 eval dep_sgs="\$${cfg}_suggest"
626 eval dep_ifa="\$${cfg}_if"
627 eval dep_ifn="\$${cfg}_if_any"
629 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
630 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
631 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
633 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
634 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
635 enabled_all $dep_all || disable $cfg
636 enabled_any $dep_any || disable $cfg
637 disabled_all $dep_con || disable $cfg
638 disabled_any $dep_sel && disable $cfg
640 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
642 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
643 # filter out library deps, these do not belong in extralibs
644 is_in $dep $LIBRARY_LIST && continue
645 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
648 disable ${cfg}_checking
656 map 'eval echo "$v \${$v:-no}"' "$@" |
657 awk "BEGIN { split(\"$files\", files) }
659 c = \"$pfx\" toupper(\$1);
665 if (file ~ /\\.h\$/) {
666 printf(\"#define %s %d\\n\", c, v) >>file;
667 } else if (file ~ /\\.asm\$/) {
668 printf(\"%%define %s %d\\n\", c, v) >>file;
669 } else if (file ~ /\\.mak\$/) {
670 n = -v ? \"\" : \"!\";
671 printf(\"%s%s=yes\\n\", n, c) >>file;
681 enabled $v && printf "%s\n" ${v%$suf}
688 eval "$var=\"\$$var $*\""
694 eval "$var=\"$* \$$var\""
700 for tok in $(eval echo \$$var); do
701 uniq_list="$(filter_out $tok $uniq_list) $tok"
703 eval "$var=\"${uniq_list}\""
709 for entry in $(eval echo \$$var); do
710 tmpvar="$tmpvar $(eval echo \$${entry})"
712 eval "$var=\"${tmpvar}\""
720 append CFLAGS $($cflags_filter "$@")
723 add_cflags_headers(){
724 append CFLAGS_HEADERS $($cflags_filter "$@")
728 append ASFLAGS $($asflags_filter "$@")
732 append OBJCFLAGS $($objcflags_filter "$@")
736 append LDFLAGS $($ldflags_filter "$@")
740 append LDEXEFLAGS $($ldflags_filter "$@")
744 append STRIPFLAGS "$@"
748 prepend extralibs $($ldflags_filter "$@")
752 append host_cppflags "$@"
756 append host_cflags $($host_cflags_filter "$@")
760 append host_ldflags $($host_ldflags_filter "$@")
764 append compat_objs $1
766 map 'add_cppflags -D$v' "$@"
771 "$@" >> $logfile 2>&1
775 eval printf '%s\\n' $CC_O
779 eval printf '%s\\n' $CC_E
786 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
793 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
800 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
804 eval printf '%s\\n' $AS_O
811 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
815 log check_inline_asm "$@"
820 check_cc "$@" <<EOF && enable $name
821 void foo(void){ __asm__ volatile($code); }
827 check_inline_asm ${1}_inline "\"$2\""
828 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
832 log check_x86asm "$@"
836 check_cmd $x86asmexe $X86ASMFLAGS "$@" -o $TMPO $TMPS
840 eval printf '%s\\n' $LD_O
845 flags=$(filter_out '-l*' "$@")
846 libs=$(filter '-l*' "$@")
847 check_cc $($cflags_filter $flags) || return
848 flags=$($ldflags_filter $flags)
849 libs=$($ldflags_filter $libs)
850 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
855 test "${hdr%.h}" = "${hdr}" &&
856 echo "#include $hdr" ||
857 echo "#include <$hdr>"
867 for hdr in $headers; do
870 echo "int main(void) { $code; return 0; }"
871 } | check_$check "$@"
875 log check_cppflags "$@"
876 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
883 set -- $($cflags_filter "$@")
890 log check_cflags "$@"
891 test_cflags "$@" && add_cflags "$@"
895 log test_objcflags "$@"
896 set -- $($objcflags_filter "$@")
897 check_objcc "$@" <<EOF
903 log check_objcflags "$@"
904 test_objcflags "$@" && add_objcflags "$@"
908 log test_ldflags "$@"
910 int main(void){ return 0; }
915 log check_ldflags "$@"
916 test_ldflags "$@" && add_ldflags "$@"
920 log test_stripflags "$@"
921 # call check_cc to get a fresh TMPO
923 int main(void) { return 0; }
925 check_cmd $strip $STRIPFLAGS "$@" $TMPO
929 log check_stripflags "$@"
930 test_stripflags "$@" && add_stripflags "$@"
934 log check_header "$@"
937 disable_sanitized $header
938 check_cpp "$@" <<EOF && enable_sanitized $header
949 check_ld "$@" <<EOF && enable $func
951 int main(void){ $func(); }
956 log check_mathfunc "$@"
960 test $narg = 2 && args="f, g" || args="f"
962 check_ld "$@" <<EOF && enable $func
964 float foo(float f, float g) { return $func($args); }
965 int main(void){ return 0; }
969 check_func_headers(){
970 log check_func_headers "$@"
975 for hdr in $headers; do
978 for func in $funcs; do
979 echo "long check_$func(void) { return (long) $func; }"
981 echo "int main(void) { return 0; }"
982 } | check_ld "$@" && enable $funcs && enable_sanitized $headers
985 check_cpp_condition(){
986 log check_cpp_condition "$@"
993 #error "unsatisfied condition: $condition"
999 log test_cflags_cpp "$@"
1003 set -- $($cflags_filter "$flags")
1004 check_cpp "$@" <<EOF
1006 #error "unsatisfied condition: $condition"
1018 check_func_headers "$headers" "$funcs" "$@" &&
1019 enable $name && eval ${name}_extralibs="\$@"
1023 log check_pkg_config "$@"
1031 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1032 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1033 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1034 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1036 add_cflags "$pkg_cflags" &&
1037 eval $(sanitize_var_name ${name}_extralibs)="\$pkg_libs"
1041 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1045 log check_exec_crash "$@"
1048 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1049 # are safe but may not be available everywhere. Thus we use
1050 # raise(SIGTERM) instead. The check is run in a subshell so we
1051 # can redirect the "Terminated" message from the shell. SIGBUS
1052 # is not defined by standard C so it is used conditionally.
1054 (check_exec "$@") >> $logfile 2>&1 <<EOF
1056 static void sighandler(int sig){
1062 int (*func_ptr)(void) = foo;
1064 signal(SIGILL, sighandler);
1065 signal(SIGFPE, sighandler);
1066 signal(SIGSEGV, sighandler);
1068 signal(SIGBUS, sighandler);
1080 disable_sanitized "$type"
1081 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1085 log check_struct "$@"
1090 disable_sanitized "${struct}_${member}"
1091 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1092 enable_sanitized "${struct}_${member}"
1096 log check_builtin "$@"
1102 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1105 check_compile_assert(){
1106 log check_compile_assert "$@"
1112 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1122 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1129 check_header "$header" "$@" || die "ERROR: $header not found"
1132 require_cpp_condition(){
1137 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1140 require_pkg_config(){
1141 log require_pkg_config "$@"
1143 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1147 eval printf '%s\\n' $HOSTCC_E
1151 eval printf '%s\\n' $HOSTCC_O
1155 log check_host_cc "$@"
1158 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1162 log check_host_cpp "$@"
1165 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1168 check_host_cppflags(){
1169 log check_host_cppflags "$@"
1170 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1171 #include <stdlib.h>;
1175 check_host_cflags(){
1176 log check_host_cflags "$@"
1177 set -- $($host_cflags_filter "$@")
1178 check_host_cc "$@" <<EOF && append host_cflags "$@"
1183 check_host_cpp_condition(){
1184 log check_host_cpp_condition "$@"
1188 check_host_cpp "$@" <<EOF
1191 #error "unsatisfied condition: $condition"
1199 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1203 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1204 mkdir -p "$(dirname $2)"
1208 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1209 # system-dependent things.
1211 AVCODEC_COMPONENTS="
1219 AVDEVICE_COMPONENTS="
1223 AVFILTER_COMPONENTS="
1226 AVFORMAT_COMPONENTS="
1232 AVRESAMPLE_COMPONENTS=""
1233 AVUTIL_COMPONENTS=""
1237 $AVDEVICE_COMPONENTS
1238 $AVFILTER_COMPONENTS
1239 $AVFORMAT_COMPONENTS
1240 $AVRESAMPLE_COMPONENTS
1245 decode_audio_example
1246 decode_video_example
1247 encode_audio_example
1248 encode_video_example
1249 filter_audio_example
1253 transcode_aac_example
1256 # catchall list of things that require external libs to link
1262 HWACCEL_LIBRARY_NONFREE_LIST="
1266 HWACCEL_LIBRARY_LIST="
1267 $HWACCEL_LIBRARY_NONFREE_LIST
1279 EXTERNAL_LIBRARY_GPL_LIST="
1287 EXTERNAL_LIBRARY_NONFREE_LIST="
1293 EXTERNAL_LIBRARY_VERSION3_LIST="
1300 EXTERNAL_LIBRARY_LIST="
1301 $EXTERNAL_LIBRARY_GPL_LIST
1302 $EXTERNAL_LIBRARY_NONFREE_LIST
1303 $EXTERNAL_LIBRARY_VERSION3_LIST
1339 SYSTEM_LIBRARY_LIST="
1349 safe_bitstream_reader
1392 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1395 $EXTERNAL_LIBRARY_LIST
1396 $HWACCEL_LIBRARY_LIST
1402 $SYSTEM_LIBRARY_LIST
1461 ARCH_EXT_LIST_X86_SIMD="
1489 $ARCH_EXT_LIST_X86_SIMD
1494 ARCH_EXT_LIST_MIPS="
1531 sync_val_compare_and_swap
1545 AVFoundation_AVFoundation_h
1549 cdio_paranoia_paranoia_h
1552 dev_bktr_ioctl_bt848_h
1553 dev_bktr_ioctl_meteor_h
1555 dev_video_bktr_ioctl_bt848_h
1556 dev_video_meteor_ioctl_meteor_h
1563 machine_ioctl_bt848_h
1564 machine_ioctl_meteor_h
1628 GetProcessAffinityMask
1629 GetProcessMemoryInfo
1632 GetSystemTimeAsFileTime
1648 SetConsoleTextAttribute
1659 TOOLCHAIN_FEATURES="
1682 CONDITION_VARIABLE_Ptr
1685 struct_group_source_req
1686 struct_ip_mreq_source
1689 struct_rusage_ru_maxrss
1691 struct_sockaddr_sa_len
1692 struct_sockaddr_storage
1693 struct_v4l2_frmivalenum_discrete
1698 $(add_suffix _external $ARCH_EXT_LIST)
1699 $(add_suffix _inline $ARCH_EXT_LIST)
1713 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1722 # options emitted with CONFIG_ prefix but not available on the command line
1873 # code dependency declarations
1875 # architecture extensions
1880 armv8_deps="aarch64"
1881 neon_deps_any="aarch64 arm"
1882 intrinsics_neon_deps="neon"
1883 vfp_deps_any="aarch64 arm"
1886 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1895 loongson_deps="mips"
1896 mips32r1_deps="mips32"
1897 mips32r2_deps="mips32"
1898 mips32r6_deps="mips32"
1899 mips64r1_deps="mips64"
1900 mips64r2_deps="mips64"
1901 mips64r6_deps="mips64"
1906 x86_64_select="i686"
1907 x86_64_suggest="fast_cmov"
1910 amd3dnowext_deps="amd3dnow"
1926 mmx_external_deps="x86asm"
1927 mmx_inline_deps="inline_asm x86"
1928 mmx_suggest="mmx_external mmx_inline"
1930 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1931 eval dep=\$${ext}_deps
1932 eval ${ext}_external_deps='"${dep}_external"'
1933 eval ${ext}_inline_deps='"${dep}_inline"'
1934 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1937 aligned_stack_if_any="aarch64 ppc x86"
1938 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1939 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1940 fast_unaligned_if_any="aarch64 ppc x86"
1941 simd_align_16_if_any="altivec neon sse"
1942 simd_align_32_if_any="avx"
1944 # system capabilities
1945 symver_if_any="symver_asm_label symver_gnu_asm"
1946 valgrind_backtrace_conflict="optimizations"
1947 valgrind_backtrace_deps="valgrind_valgrind_h"
1950 atomics_gcc_if="sync_val_compare_and_swap"
1951 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1952 atomics_win32_if="MemoryBarrier"
1953 atomics_native_if_any="$ATOMICS_LIST"
1954 w32threads_deps="atomics_native"
1955 threads_if_any="$THREADS_LIST"
1959 dirac_parse_select="golomb"
1960 error_resilience_select="me_cmp"
1962 faandct_select="fdctdsp"
1963 faanidct_deps="faan"
1964 faanidct_select="idctdsp"
1965 h264dsp_select="startcode"
1966 hevc_ps_select="golomb"
1967 intrax8_select="blockdsp idctdsp"
1970 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1971 mpeg_er_select="error_resilience"
1972 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1973 mpegaudiodsp_select="dct"
1974 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1975 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1976 vc1dsp_select="h264chroma qpeldsp startcode"
1978 # decoders / encoders
1979 aac_decoder_select="adts_header imdct15 mdct sinewin"
1980 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1981 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1982 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1983 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1984 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1985 adpcm_g722_decoder_select="g722dsp"
1986 adpcm_g722_encoder_select="g722dsp"
1987 aic_decoder_select="golomb idctdsp"
1988 alac_encoder_select="lpc"
1989 als_decoder_select="bswapdsp"
1990 amrnb_decoder_select="lsp"
1991 amrwb_decoder_select="lsp"
1992 amv_decoder_select="sp5x_decoder"
1993 ape_decoder_select="bswapdsp"
1994 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1995 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1996 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1997 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1998 atrac1_decoder_select="mdct sinewin"
1999 atrac3_decoder_select="mdct"
2000 atrac3p_decoder_select="mdct sinewin"
2001 bink_decoder_select="blockdsp hpeldsp"
2002 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2003 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2004 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2005 clearvideo_decoder_select="idctdsp"
2006 cllc_decoder_select="bswapdsp"
2007 comfortnoise_encoder_select="lpc"
2008 cook_decoder_select="audiodsp mdct sinewin"
2009 cscd_decoder_select="lzo"
2010 cscd_decoder_suggest="zlib"
2011 dca_decoder_select="fmtconvert mdct"
2012 dds_decoder_select="texturedsp"
2013 dnxhd_decoder_select="blockdsp idctdsp"
2014 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2015 dvvideo_decoder_select="dvprofile idctdsp"
2016 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2017 dxa_decoder_deps="zlib"
2018 dxv_decoder_select="lzf texturedsp"
2019 eac3_decoder_select="ac3_decoder"
2020 eac3_encoder_select="ac3_encoder"
2021 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2022 eatgq_decoder_select="aandcttables idctdsp"
2023 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2024 exr_decoder_deps="zlib"
2025 ffv1_decoder_select="rangecoder"
2026 ffv1_encoder_select="rangecoder"
2027 ffvhuff_decoder_select="huffyuv_decoder"
2028 ffvhuff_encoder_select="huffyuv_encoder"
2029 fic_decoder_select="golomb"
2030 flac_decoder_select="flacdsp"
2031 flac_encoder_select="bswapdsp flacdsp lpc"
2032 flashsv_decoder_deps="zlib"
2033 flashsv_encoder_deps="zlib"
2034 flashsv2_decoder_deps="zlib"
2035 flv_decoder_select="h263_decoder"
2036 flv_encoder_select="h263_encoder"
2037 fourxm_decoder_select="blockdsp bswapdsp"
2038 fraps_decoder_select="bswapdsp huffman"
2039 g2m_decoder_deps="zlib"
2040 g2m_decoder_select="blockdsp idctdsp jpegtables"
2041 h261_decoder_select="mpeg_er mpegvideo"
2042 h261_encoder_select="aandcttables mpegvideoenc"
2043 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2044 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2045 h263i_decoder_select="h263_decoder"
2046 h263p_encoder_select="h263_encoder"
2047 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2048 h264_decoder_suggest="error_resilience"
2049 hap_decoder_select="snappy texturedsp"
2050 hap_encoder_deps="libsnappy"
2051 hap_encoder_select="texturedspenc"
2052 hevc_decoder_select="bswapdsp cabac hevc_ps videodsp"
2053 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2054 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2055 iac_decoder_select="imc_decoder"
2056 imc_decoder_select="bswapdsp fft mdct sinewin"
2057 indeo3_decoder_select="hpeldsp"
2058 indeo4_decoder_select="ividsp"
2059 indeo5_decoder_select="ividsp"
2060 interplay_video_decoder_select="hpeldsp"
2061 jpegls_decoder_select="mjpeg_decoder"
2062 jv_decoder_select="blockdsp"
2063 lagarith_decoder_select="huffyuvdsp"
2064 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2065 magicyuv_decoder_select="huffyuvdsp"
2066 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2067 metasound_decoder_select="lsp mdct sinewin"
2068 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2069 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2070 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2071 mjpegb_decoder_select="mjpeg_decoder"
2072 mlp_decoder_select="mlp_parser"
2073 motionpixels_decoder_select="bswapdsp"
2074 mp1_decoder_select="mpegaudio"
2075 mp1float_decoder_select="mpegaudio"
2076 mp2_decoder_select="mpegaudio"
2077 mp2float_decoder_select="mpegaudio"
2078 mp3_decoder_select="mpegaudio"
2079 mp3adu_decoder_select="mpegaudio"
2080 mp3adufloat_decoder_select="mpegaudio"
2081 mp3float_decoder_select="mpegaudio"
2082 mp3on4_decoder_select="mpegaudio"
2083 mp3on4float_decoder_select="mpegaudio"
2084 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2085 mpc8_decoder_select="mpegaudiodsp"
2086 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2087 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2088 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2089 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2090 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2091 mpeg4_encoder_select="h263_encoder"
2092 msa1_decoder_select="mss34dsp"
2093 msmpeg4v1_decoder_select="h263_decoder"
2094 msmpeg4v2_decoder_select="h263_decoder"
2095 msmpeg4v2_encoder_select="h263_encoder"
2096 msmpeg4v3_decoder_select="h263_decoder"
2097 msmpeg4v3_encoder_select="h263_encoder"
2098 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2099 mts2_decoder_select="mss34dsp"
2100 mxpeg_decoder_select="mjpeg_decoder"
2101 nellymoser_decoder_select="mdct sinewin"
2102 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2103 nuv_decoder_select="idctdsp lzo"
2104 on2avc_decoder_select="mdct"
2105 opus_decoder_deps="avresample"
2106 opus_decoder_select="imdct15"
2107 png_decoder_deps="zlib"
2108 png_encoder_deps="zlib"
2109 png_encoder_select="huffyuvencdsp"
2110 prores_decoder_select="idctdsp"
2111 prores_encoder_select="fdctdsp"
2112 qcelp_decoder_select="lsp"
2113 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2114 ra_144_encoder_select="audio_frame_queue lpc"
2115 ralf_decoder_select="golomb"
2116 rscc_decoder_deps="zlib"
2117 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2118 rv10_encoder_select="h263_encoder"
2119 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2120 rv20_encoder_select="h263_encoder"
2121 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2122 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2123 screenpresso_decoder_deps="zlib"
2124 sipr_decoder_select="lsp"
2125 sp5x_decoder_select="mjpeg_decoder"
2126 svq1_decoder_select="hpeldsp"
2127 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2128 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2129 svq3_decoder_suggest="zlib"
2130 tak_decoder_select="audiodsp"
2131 tdsc_decoder_deps="zlib"
2132 tdsc_decoder_select="mjpeg_decoder"
2133 theora_decoder_select="vp3_decoder"
2134 thp_decoder_select="mjpeg_decoder"
2135 tiff_decoder_suggest="zlib"
2136 tiff_encoder_suggest="zlib"
2137 truehd_decoder_select="mlp_decoder"
2138 truemotion2_decoder_select="bswapdsp"
2139 truespeech_decoder_select="bswapdsp"
2140 tscc_decoder_deps="zlib"
2141 txd_decoder_select="texturedsp"
2142 twinvq_decoder_select="mdct lsp sinewin"
2143 utvideo_decoder_select="bswapdsp huffyuvdsp"
2144 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2145 vble_decoder_select="huffyuvdsp"
2146 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2147 vc1image_decoder_select="vc1_decoder"
2148 vorbis_decoder_select="mdct"
2149 vorbis_encoder_select="mdct"
2150 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2151 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2152 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2153 vp6a_decoder_select="vp6_decoder"
2154 vp6f_decoder_select="vp6_decoder"
2155 vp7_decoder_select="h264pred videodsp vp8dsp"
2156 vp8_decoder_select="h264pred videodsp vp8dsp"
2157 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2158 webp_decoder_select="vp8_decoder"
2159 wmapro_decoder_select="mdct sinewin wma_freqs"
2160 wmav1_decoder_select="mdct sinewin wma_freqs"
2161 wmav1_encoder_select="mdct sinewin wma_freqs"
2162 wmav2_decoder_select="mdct sinewin wma_freqs"
2163 wmav2_encoder_select="mdct sinewin wma_freqs"
2164 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2165 wmv1_decoder_select="h263_decoder"
2166 wmv1_encoder_select="h263_encoder"
2167 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2168 wmv2_encoder_select="h263_encoder wmv2dsp"
2169 wmv3_decoder_select="vc1_decoder"
2170 wmv3image_decoder_select="wmv3_decoder"
2171 zerocodec_decoder_deps="zlib"
2172 zlib_decoder_deps="zlib"
2173 zlib_encoder_deps="zlib"
2174 zmbv_decoder_deps="zlib"
2175 zmbv_encoder_deps="zlib"
2177 # hardware accelerators
2178 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2179 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2180 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2181 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2183 h263_vaapi_hwaccel_deps="vaapi"
2184 h263_vaapi_hwaccel_select="h263_decoder"
2185 h264_d3d11va_hwaccel_deps="d3d11va"
2186 h264_d3d11va_hwaccel_select="h264_decoder"
2187 h264_d3d11va2_hwaccel_deps="d3d11va"
2188 h264_d3d11va2_hwaccel_select="h264_decoder"
2189 h264_dxva2_hwaccel_deps="dxva2"
2190 h264_dxva2_hwaccel_select="h264_decoder"
2191 h264_mmal_hwaccel_deps="mmal"
2192 h264_qsv_hwaccel_deps="libmfx"
2193 h264_vaapi_hwaccel_deps="vaapi"
2194 h264_vaapi_hwaccel_select="h264_decoder"
2195 h264_vda_hwaccel_deps="vda"
2196 h264_vda_hwaccel_select="h264_decoder"
2197 h264_vda_old_hwaccel_deps="vda"
2198 h264_vda_old_hwaccel_select="h264_decoder"
2199 h264_vdpau_hwaccel_deps="vdpau"
2200 h264_vdpau_hwaccel_select="h264_decoder"
2201 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2202 hevc_d3d11va_hwaccel_select="hevc_decoder"
2203 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2204 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2205 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2206 hevc_dxva2_hwaccel_select="hevc_decoder"
2207 hevc_qsv_hwaccel_deps="libmfx"
2208 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2209 hevc_vaapi_hwaccel_select="hevc_decoder"
2210 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2211 hevc_vdpau_hwaccel_select="hevc_decoder"
2212 mpeg1_vdpau_hwaccel_deps="vdpau"
2213 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2214 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2215 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2216 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2217 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2218 mpeg2_dxva2_hwaccel_deps="dxva2"
2219 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2220 mpeg2_mmal_hwaccel_deps="mmal"
2221 mpeg2_qsv_hwaccel_deps="libmfx"
2222 mpeg2_vaapi_hwaccel_deps="vaapi"
2223 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2224 mpeg2_vdpau_hwaccel_deps="vdpau"
2225 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2226 mpeg4_vaapi_hwaccel_deps="vaapi"
2227 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2228 mpeg4_vdpau_hwaccel_deps="vdpau"
2229 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2230 vc1_d3d11va_hwaccel_deps="d3d11va"
2231 vc1_d3d11va_hwaccel_select="vc1_decoder"
2232 vc1_d3d11va2_hwaccel_deps="d3d11va"
2233 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2234 vc1_dxva2_hwaccel_deps="dxva2"
2235 vc1_dxva2_hwaccel_select="vc1_decoder"
2236 vc1_mmal_hwaccel_deps="mmal"
2237 vc1_qsv_hwaccel_deps="libmfx"
2238 vc1_vaapi_hwaccel_deps="vaapi"
2239 vc1_vaapi_hwaccel_select="vc1_decoder"
2240 vc1_vdpau_hwaccel_deps="vdpau"
2241 vc1_vdpau_hwaccel_select="vc1_decoder"
2242 vp8_qsv_hwaccel_deps="libmfx"
2243 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2244 vp8_vaapi_hwaccel_select="vp8_decoder"
2245 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2246 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2247 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2248 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2249 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2251 # hardware-accelerated codecs
2252 nvenc_deps_any="libdl LoadLibrary"
2253 omx_deps="libdl pthreads"
2254 omx_rpi_select="omx"
2258 vaapi_encode_deps="vaapi"
2260 hwupload_cuda_filter_deps="cuda"
2261 scale_npp_filter_deps="cuda libnpp"
2263 h264_mmal_decoder_deps="mmal"
2264 h264_nvenc_encoder_deps="nvenc"
2265 h264_omx_encoder_deps="omx"
2266 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2267 h264_qsv_encoder_select="qsvenc"
2268 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2269 h264_vaapi_encoder_select="vaapi_encode golomb"
2270 hevc_nvenc_encoder_deps="nvenc"
2271 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2272 hevc_qsv_encoder_select="hevc_ps qsvenc"
2273 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2274 hevc_vaapi_encoder_select="vaapi_encode golomb"
2275 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2276 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2277 mpeg2_mmal_decoder_deps="mmal"
2278 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2279 mpeg2_qsv_encoder_select="qsvenc"
2280 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2281 mpeg2_vaapi_encoder_select="vaapi_encode"
2282 mpeg4_omx_encoder_deps="omx"
2283 vc1_mmal_decoder_deps="mmal"
2284 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2285 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2286 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2287 vp8_vaapi_encoder_select="vaapi_encode"
2288 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2289 vp9_vaapi_encoder_select="vaapi_encode"
2291 nvenc_h264_encoder_select="h264_nvenc_encoder"
2292 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2295 aac_parser_select="adts_header"
2296 h264_parser_select="golomb h264dsp h264parse"
2297 hevc_parser_select="hevc_ps"
2298 mpegaudio_parser_select="mpegaudioheader"
2299 mpegvideo_parser_select="mpegvideo"
2300 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2301 vc1_parser_select="vc1dsp"
2304 aac_adtstoasc_bsf_select="adts_header"
2305 mjpeg2jpeg_bsf_select="jpegtables"
2307 # external libraries
2308 avisynth_deps="LoadLibrary"
2309 avxsynth_deps="libdl"
2310 avisynth_demuxer_deps_any="avisynth avxsynth"
2311 avisynth_demuxer_select="riffdec"
2312 libdcadec_decoder_deps="libdcadec"
2313 libfaac_encoder_deps="libfaac"
2314 libfaac_encoder_select="audio_frame_queue"
2315 libfdk_aac_decoder_deps="libfdk_aac"
2316 libfdk_aac_encoder_deps="libfdk_aac"
2317 libfdk_aac_encoder_select="audio_frame_queue"
2318 libgsm_decoder_deps="libgsm"
2319 libgsm_encoder_deps="libgsm"
2320 libgsm_ms_decoder_deps="libgsm"
2321 libgsm_ms_encoder_deps="libgsm"
2322 libilbc_decoder_deps="libilbc"
2323 libilbc_encoder_deps="libilbc"
2324 libkvazaar_encoder_deps="libkvazaar"
2325 libmp3lame_encoder_deps="libmp3lame"
2326 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2327 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2328 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2329 libopencore_amrnb_encoder_select="audio_frame_queue"
2330 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2331 libopenh264_decoder_deps="libopenh264"
2332 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2333 libopenh264_encoder_deps="libopenh264"
2334 libopenjpeg_decoder_deps="libopenjpeg"
2335 libopenjpeg_encoder_deps="libopenjpeg"
2336 libopus_decoder_deps="libopus"
2337 libopus_encoder_deps="libopus"
2338 libopus_encoder_select="audio_frame_queue"
2339 libschroedinger_decoder_deps="libschroedinger"
2340 libschroedinger_encoder_deps="libschroedinger"
2341 libspeex_decoder_deps="libspeex"
2342 libspeex_encoder_deps="libspeex"
2343 libspeex_encoder_select="audio_frame_queue"
2344 libtheora_encoder_deps="libtheora"
2345 libtwolame_encoder_deps="libtwolame"
2346 libvo_aacenc_encoder_deps="libvo_aacenc"
2347 libvo_aacenc_encoder_select="audio_frame_queue"
2348 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2349 libvorbis_encoder_deps="libvorbis"
2350 libvorbis_encoder_select="audio_frame_queue"
2351 libvpx_vp8_decoder_deps="libvpx"
2352 libvpx_vp8_encoder_deps="libvpx"
2353 libvpx_vp9_decoder_deps="libvpx"
2354 libvpx_vp9_encoder_deps="libvpx"
2355 libwavpack_encoder_deps="libwavpack"
2356 libwavpack_encoder_select="audio_frame_queue"
2357 libwebp_encoder_deps="libwebp"
2358 libx262_encoder_deps="libx262"
2359 libx264_encoder_deps="libx264"
2360 libx265_encoder_deps="libx265"
2361 libxavs_encoder_deps="libxavs"
2362 libxvid_encoder_deps="libxvid mkstemp"
2365 ac3_demuxer_select="ac3_parser"
2366 asf_demuxer_select="riffdec"
2367 asf_muxer_select="riffenc"
2368 asf_stream_muxer_select="asf_muxer"
2369 avi_demuxer_select="iso_media riffdec"
2370 avi_muxer_select="riffenc"
2371 caf_demuxer_select="iso_media riffdec"
2372 dash_muxer_select="mp4_muxer"
2373 dirac_demuxer_select="dirac_parser"
2374 dv_demuxer_select="dvprofile"
2375 dv_muxer_select="dvprofile"
2376 dxa_demuxer_select="riffdec"
2377 eac3_demuxer_select="ac3_parser"
2378 f4v_muxer_select="mov_muxer"
2379 flac_demuxer_select="flac_parser"
2380 hds_muxer_select="flv_muxer"
2381 hls_muxer_select="mpegts_muxer"
2382 ipod_muxer_select="mov_muxer"
2383 ismv_muxer_select="mov_muxer"
2384 matroska_audio_muxer_select="matroska_muxer"
2385 matroska_demuxer_select="iso_media riffdec"
2386 matroska_demuxer_suggest="bzlib lzo zlib"
2387 matroska_muxer_select="iso_media riffenc"
2388 mmf_muxer_select="riffenc"
2389 mov_demuxer_select="iso_media riffdec"
2390 mov_demuxer_suggest="zlib"
2391 mov_muxer_select="iso_media riffenc rtpenc_chain"
2392 mp3_demuxer_select="mpegaudio_parser"
2393 mp3_muxer_select="mpegaudioheader"
2394 mp4_muxer_select="mov_muxer"
2395 mpegts_demuxer_select="iso_media"
2396 mpegts_muxer_select="adts_muxer latm_muxer"
2397 mpegtsraw_demuxer_select="mpegts_demuxer"
2398 mxf_d10_muxer_select="mxf_muxer"
2399 nut_muxer_select="riffenc"
2400 nuv_demuxer_select="riffdec"
2401 oga_muxer_select="ogg_muxer"
2402 ogg_demuxer_select="dirac_parse"
2403 opus_muxer_select="ogg_muxer"
2404 psp_muxer_select="mov_muxer"
2405 rtp_demuxer_select="sdp_demuxer"
2406 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2407 rtsp_demuxer_select="http_protocol rtpdec"
2408 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2409 sap_demuxer_select="sdp_demuxer"
2410 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2411 sdp_demuxer_select="rtpdec"
2412 smoothstreaming_muxer_select="ismv_muxer"
2413 spdif_demuxer_select="adts_header"
2414 spdif_muxer_select="adts_header"
2415 spx_muxer_select="ogg_muxer"
2416 swf_demuxer_suggest="zlib"
2417 tak_demuxer_select="tak_parser"
2418 tg2_muxer_select="mov_muxer"
2419 tgp_muxer_select="mov_muxer"
2420 w64_demuxer_select="wav_demuxer"
2421 wav_demuxer_select="riffdec"
2422 wav_muxer_select="riffenc"
2423 webm_muxer_select="iso_media riffenc"
2424 wtv_demuxer_select="mpegts_demuxer riffdec"
2425 xmv_demuxer_select="riffdec"
2426 xwma_demuxer_select="riffdec"
2429 alsa_indev_deps="alsa"
2430 alsa_outdev_deps="alsa"
2431 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2432 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2433 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2434 dv1394_indev_deps="dv1394"
2435 dv1394_indev_select="dv_demuxer"
2436 fbdev_indev_deps="linux_fb_h"
2437 jack_indev_deps="libjack"
2438 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2439 libcdio_indev_deps="libcdio"
2440 libdc1394_indev_deps="libdc1394"
2441 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2442 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2443 pulse_indev_deps="libpulse"
2444 sndio_indev_deps="sndio"
2445 sndio_outdev_deps="sndio"
2446 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2447 vfwcap_indev_deps="vfw32 vfwcap_defines"
2448 xcbgrab_indev_deps="libxcb libxcb_shape"
2449 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2452 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2453 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2454 ffrtmpcrypt_protocol_select="tcp_protocol"
2455 ffrtmphttp_protocol_conflict="librtmp_protocol"
2456 ffrtmphttp_protocol_select="http_protocol"
2457 gopher_protocol_select="network"
2458 http_protocol_select="tcp_protocol"
2459 http_protocol_suggest="zlib"
2460 httpproxy_protocol_select="tcp_protocol"
2461 httpproxy_protocol_suggest="zlib"
2462 https_protocol_select="tls_protocol"
2463 https_protocol_suggest="zlib"
2464 icecast_protocol_select="http_protocol"
2465 librtmp_protocol_deps="librtmp"
2466 librtmpe_protocol_deps="librtmp"
2467 librtmps_protocol_deps="librtmp"
2468 librtmpt_protocol_deps="librtmp"
2469 librtmpte_protocol_deps="librtmp"
2470 mmsh_protocol_select="http_protocol"
2471 mmst_protocol_select="network"
2472 rtmp_protocol_conflict="librtmp_protocol"
2473 rtmp_protocol_select="tcp_protocol"
2474 rtmp_protocol_suggest="zlib"
2475 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2476 rtmpe_protocol_suggest="zlib"
2477 rtmps_protocol_conflict="librtmp_protocol"
2478 rtmps_protocol_select="tls_protocol"
2479 rtmps_protocol_suggest="zlib"
2480 rtmpt_protocol_select="ffrtmphttp_protocol"
2481 rtmpt_protocol_suggest="zlib"
2482 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2483 rtmpte_protocol_suggest="zlib"
2484 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2485 rtmpts_protocol_suggest="zlib"
2486 rtp_protocol_select="udp_protocol"
2487 sctp_protocol_deps="struct_sctp_event_subscribe"
2488 sctp_protocol_select="network"
2489 srtp_protocol_select="rtp_protocol srtp"
2490 tcp_protocol_select="network"
2491 tls_protocol_deps_any="gnutls openssl"
2492 tls_protocol_select="tcp_protocol"
2493 udp_protocol_select="network"
2494 unix_protocol_deps="sys_un_h"
2495 unix_protocol_select="network"
2498 asyncts_filter_deps="avresample"
2499 blackframe_filter_deps="gpl"
2500 boxblur_filter_deps="gpl"
2501 bs2b_filter_deps="libbs2b"
2502 cropdetect_filter_deps="gpl"
2503 deinterlace_qsv_filter_deps="libmfx"
2504 deinterlace_vaapi_filter_deps="vaapi"
2505 delogo_filter_deps="gpl"
2506 drawtext_filter_deps="libfreetype"
2507 drawtext_filter_suggest="libfontconfig"
2508 frei0r_filter_deps="frei0r libdl"
2509 frei0r_src_filter_deps="frei0r libdl"
2510 hdcd_filter_deps="libhdcd"
2511 hqdn3d_filter_deps="gpl"
2512 interlace_filter_deps="gpl"
2513 movie_filter_deps="avcodec avformat"
2514 ocv_filter_deps="libopencv"
2515 resample_filter_deps="avresample"
2516 scale_filter_deps="swscale"
2517 scale_qsv_filter_deps="libmfx"
2518 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2521 decode_audio_example_deps="avcodec avutil"
2522 decode_video_example_deps="avcodec avutil"
2523 encode_audio_example_deps="avcodec avutil"
2524 encode_video_example_deps="avcodec avutil"
2525 filter_audio_example_deps="avfilter avutil"
2526 metadata_example_deps="avformat avutil"
2527 output_example_deps="avcodec avformat avresample avutil swscale"
2528 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2529 transcode_aac_example_deps="avcodec avformat avresample"
2532 cpu_init_extralibs="pthreads_extralibs"
2533 cws2fws_extralibs="zlib_extralibs"
2535 # libraries, in linking order
2536 avcodec_deps="avutil"
2537 avcodec_select="null_bsf"
2538 avdevice_deps="avformat avcodec avutil"
2539 avfilter_deps="avutil"
2540 avformat_deps="avcodec avutil"
2541 avformat_suggest="network"
2542 avresample_deps="avutil"
2543 swscale_deps="avutil"
2545 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2546 avdevice_extralibs="libm_extralibs"
2547 avformat_extralibs="libm_extralibs"
2548 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2549 avresample_extralibs="libm_extralibs"
2550 avutil_extralibs="clock_gettime_extralibs cuda_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs pthreads_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs wincrypt_extralibs"
2551 swscale_extralibs="libm_extralibs"
2554 avconv_deps="avcodec avfilter avformat avresample swscale"
2555 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2556 fps_filter null_filter resample_filter scale_filter
2558 avconv_suggest="psapi shell32"
2559 avplay_deps="avcodec avfilter avformat avresample sdl"
2560 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2561 avplay_suggest="shell32"
2562 avprobe_deps="avcodec avformat"
2563 avprobe_suggest="shell32"
2567 texi2html_deps="doc"
2569 # default parameters
2571 logfile="avbuild/config.log"
2573 # installation paths
2574 prefix_default="/usr/local"
2575 bindir_default='${prefix}/bin'
2576 datadir_default='${prefix}/share/avconv'
2577 docdir_default='${prefix}/share/doc/libav'
2578 incdir_default='${prefix}/include'
2579 libdir_default='${prefix}/lib'
2580 mandir_default='${prefix}/share/man'
2581 shlibdir_default="$libdir_default"
2586 host_cc_default="gcc"
2587 x86asmexe_default="nasm"
2590 pkg_config_default=pkg-config
2593 version_script='--version-script'
2596 arch_default=$(uname -m)
2601 target_os_default=$(tolower $(uname -s))
2602 host_os=$target_os_default
2604 # configurable options
2605 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2610 enable faan faandct faanidct
2611 enable optimizations
2612 enable safe_bitstream_reader
2614 enable swscale_alpha
2615 enable valgrind_backtrace
2617 # By default, enable only those hwaccels that have no external dependencies.
2618 enable d3d11va dxva2 vda vdpau
2620 # internal components are enabled by default
2621 enable $EXTRALIBS_LIST
2623 # Avoid external, non-system, libraries getting enabled by dependency resolution
2624 disable $EXTERNAL_LIBRARY_LIST
2627 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2630 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2633 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2634 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2635 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2636 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2637 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2638 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2639 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2662 host_extralibs='-lm'
2663 host_cflags_filter=echo
2664 host_ldflags_filter=echo
2666 target_path='$(CURDIR)'
2668 # since the object filename is not given with the -MM flag, the compiler
2669 # is only able to print the basename, and we must add the path ourselves
2670 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2676 if test -f configure; then
2679 source_path=$(cd $(dirname "$0"); pwd)
2680 echo "$source_path" | grep -q '[[:blank:]]' &&
2681 die "Out of tree builds are impossible with whitespace in source path."
2682 test -e "$source_path/config.h" &&
2683 die "Out of tree builds are impossible with config.h in source dir."
2690 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2696 file=$source_path/$3
2697 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2700 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2701 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2702 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2703 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2704 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2705 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2706 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2707 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2708 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2710 find_things_extern(){
2713 file=$source_path/$3
2714 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2717 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2718 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2720 AVCODEC_COMPONENTS_LIST="
2728 AVDEVICE_COMPONENTS_LIST="
2733 AVFILTER_COMPONENTS_LIST="
2737 AVFORMAT_COMPONENTS_LIST="
2744 $AVCODEC_COMPONENTS_LIST
2745 $AVDEVICE_COMPONENTS_LIST
2746 $AVFILTER_COMPONENTS_LIST
2747 $AVFORMAT_COMPONENTS_LIST
2750 for n in $COMPONENT_LIST; do
2751 v=$(toupper ${n%s})_LIST
2753 eval ${n}_if_any="\$$v"
2756 enable $ARCH_EXT_LIST
2759 echo "Unknown option \"$1\"."
2760 echo "See $0 --help for available options."
2765 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2771 echo $* | sed s/$suffix//g | print_3_columns
2783 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2784 echo "prob ${prob:-0.5}"
2792 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2793 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2802 --extra-ldexeflags=*)
2803 add_ldexeflags $optval
2806 add_extralibs $optval
2809 disable $INDEV_LIST $OUTDEV_LIST
2812 debuglevel="$optval"
2815 disable $PROGRAM_LIST
2817 --disable-everything)
2818 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2821 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2822 disable $LIBRARY_LIST $PROGRAM_LIST doc
2824 --enable-random|--disable-random)
2825 action=${opt%%-random}
2826 do_random ${action#--} $COMPONENT_LIST
2828 --enable-random=*|--disable-random=*)
2829 action=${opt%%-random=*}
2830 do_random ${action#--} $optval
2832 --enable-*=*|--disable-*=*)
2833 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2834 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2835 eval list=\$$(toupper $thing)_LIST
2836 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2837 $action $(filter "$name" $list)
2839 --enable-avserver|--disable-avserver*)
2840 warn "avserver has been removed, the ${opt} option is only"\
2841 "provided for compatibility and will be removed in the future"
2843 --enable-yasm|--disable-yasm)
2844 warn "The ${opt} option is only provided for compatibility and will be\n"\
2845 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
2846 test $opt = --enable-yasm && x86asm=yes || x86asm=no
2848 --enable-?*|--disable-?*)
2849 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2850 if is_in $option $COMPONENT_LIST; then
2851 test $action = disable && action=unset
2852 eval $action \$$(toupper ${option%s})_LIST
2853 elif is_in $option $CMDLINE_SELECT; then
2860 NAME="${opt#--list-}"
2861 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2863 eval show_list $NAME \$$(toupper $NAME)_LIST
2865 --help|-h) show_help
2867 --quiet|-q) quiet=yes
2870 optname="${opt%%=*}"
2871 optname="${optname#--}"
2872 optname=$(echo "$optname" | sed 's/-/_/g')
2873 if is_in $optname $CMDLINE_SET; then
2874 eval $optname='$optval'
2875 elif is_in $optname $CMDLINE_APPEND; then
2876 append $optname "$optval"
2888 disabled logging && logfile=/dev/null
2890 # Die early if licensing-related configure options are incompatible.
2891 die_license_disabled() {
2892 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2895 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2896 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2897 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2899 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2901 enabled_all gnutls openssl &&
2902 die "GnuTLS and OpenSSL must not be enabled at the same time."
2904 # Disable all the library-specific components if the library itself
2905 # is disabled, see AVCODEC_LIST and following _LIST variables.
2907 disable_components(){
2908 disabled ${1} && disable $(
2909 eval components="\$$(toupper ${1})_COMPONENTS"
2910 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2914 map 'disable_components $v' $LIBRARY_LIST
2916 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2919 case "$toolchain" in
2921 cc_default="${toolchain%-asan}"
2922 add_cflags -fsanitize=address
2923 add_ldflags -fsanitize=address
2926 cc_default="${toolchain%-msan}"
2927 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2928 add_ldflags -fsanitize=memory
2931 cc_default="${toolchain%-tsan}"
2932 add_cflags -fsanitize=thread -fPIE
2933 add_ldflags -fsanitize=thread -pie
2934 case "$toolchain" in
2942 cc_default="${toolchain%-usan}"
2943 add_cflags -fsanitize=undefined
2944 add_ldflags -fsanitize=undefined
2945 case "$toolchain" in
2952 target_exec_default="valgrind"
2953 case "$toolchain" in
2955 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2958 target_exec_args="--track-origins=yes --leak-check=full"
2963 # Check whether the current MSVC version needs the C99 converter.
2964 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2965 # support enough of C99 to build libav. Default to the new
2966 # behaviour if the regexp was unable to match anything, since this
2967 # successfully parses the version number of existing supported
2968 # versions that require the converter (MSVC 2010 and 2012).
2969 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2970 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2973 cc_default="c99wrap cl"
2975 ld_default="$source_path/compat/windows/mslink"
2976 nm_default="dumpbin -symbols"
2983 target_os_default="win32"
2984 # Use a relative path for TMPDIR. This makes sure all the
2985 # ffconf temp files are written with a relative path, avoiding
2986 # issues with msys/win32 path conversion for MSVC parameters
2987 # such as -Fo<file> or -out:<file>.
2993 nm_default="dumpbin -symbols"
2995 target_os_default="win32"
2999 add_cflags -fprofile-arcs -ftest-coverage
3000 add_ldflags -fprofile-arcs -ftest-coverage
3003 add_cflags -fprofile-arcs -ftest-coverage
3004 add_ldflags --coverage
3007 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3008 add_cflags -fno-strict-overflow -fstack-protector-all
3009 add_ldflags -Wl,-z,relro -Wl,-z,now
3012 die "Unknown toolchain $toolchain"
3016 test -n "$cross_prefix" && enable cross_compile
3018 if enabled cross_compile; then
3019 test -n "$arch" && test -n "$target_os" ||
3020 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3023 ar_default="${cross_prefix}${ar_default}"
3024 cc_default="${cross_prefix}${cc_default}"
3025 objcc_default="${cross_prefix}${objcc_default}"
3026 x86asmexe_default="${cross_prefix}${x86asmexe_default}"
3027 nm_default="${cross_prefix}${nm_default}"
3028 pkg_config_default="${cross_prefix}${pkg_config_default}"
3029 ranlib="${cross_prefix}${ranlib}"
3030 strip="${cross_prefix}${strip}"
3032 sysinclude_default="${sysroot}/usr/include"
3034 set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
3035 enabled cross_compile || host_cc_default=$cc
3038 if ! $pkg_config --version >/dev/null 2>&1; then
3039 warn "$pkg_config not found, library detection may fail."
3045 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3049 EXESUF=$(exesuf $target_os)
3050 HOSTEXESUF=$(exesuf $host_os)
3052 # set temporary file name
3053 : ${TMPDIR:=$TEMPDIR}
3057 if ! check_cmd mktemp -u XXXXXX; then
3058 # simple replacement for missing mktemp
3059 # NOT SAFE FOR GENERAL USE
3061 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3067 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3068 die "Unable to create temporary directory in $TMPDIR."
3071 tmp="${AVTMPDIR}/test"$2
3072 (set -C; exec > $tmp) 2> /dev/null ||
3073 die "Unable to create temporary file in $AVTMPDIR."
3077 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3082 tmpfile TMPE $EXESUF
3093 # make sure we can execute files in $TMPDIR
3094 cat > $TMPSH 2>> $logfile <<EOF
3097 chmod +x $TMPSH >> $logfile 2>&1
3098 if ! $TMPSH >> $logfile 2>&1; then
3100 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3101 variable to another directory and make sure that it is not mounted noexec.
3103 die "Sanity test failed."
3109 # Filter out MSVC cl.exe options from cflags that shouldn't
3110 # be passed to gas-preprocessor
3120 -std=c99) echo -c99 ;;
3121 -mcpu=*) echo -arch ${flag#*=} ;;
3122 -mieee) echo -ieee ;;
3123 -O*|-fast) echo $flag ;;
3124 -fno-math-errno) echo -assume nomath_errno ;;
3126 -Wall) echo -msg_enable level2 ;;
3127 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3128 -Wl,*) echo $flag ;;
3138 -Wno-switch) echo -Wno-switch-enum ;;
3139 -Wno-format-zero-length) ;;
3140 -Wdisabled-optimization) ;;
3141 -Wno-pointer-sign) echo -Wno-other ;;
3147 msvc_common_flags(){
3150 # In addition to specifying certain flags under the compiler
3151 # specific filters, they must be specified here as well or else the
3152 # generic catch all at the bottom will print the original flag.
3157 -fomit-frame-pointer) ;;
3161 -fno-signed-zeros) ;;
3165 -lz) echo zlib.lib ;;
3166 -lx264) echo libx264.lib ;;
3167 -l*) echo ${flag#-l}.lib ;;
3168 -L*) echo -libpath:${flag#-L} ;;
3175 msvc_common_flags "$@"
3178 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
3180 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3181 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3182 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3183 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3189 msvc_common_flags "$@"
3192 # Despite what Intel's documentation says -Wall, which is supported
3193 # on Windows, does enable remarks so disable them here.
3194 -Wall) echo $flag -Qdiag-disable:remark ;;
3195 -std=c99) echo -Qstd=c99 ;;
3203 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3204 -fomit-frame-pointer) echo -Mnoframe ;;
3215 case "${flag#*=}" in
3216 native) echo -xtarget=native ;;
3217 v9|niagara) echo -xarch=sparc ;;
3218 ultrasparc) echo -xarch=sparcvis ;;
3219 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3220 i586|pentium) echo -xchip=pentium ;;
3221 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3222 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3223 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3224 pentium4*) echo -xtarget=pentium4 ;;
3225 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3226 *-sse3) echo -xarch=sse3 ;;
3227 core2) echo -xarch=ssse3 -xchip=core2 ;;
3228 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3229 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3230 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3231 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3232 k8|opteron|athlon64|athlon-fx)
3233 echo -xarch=sse2a ;;
3234 athlon*) echo -xarch=pentium_proa ;;
3237 -std=c99) echo -xc99 ;;
3238 -fomit-frame-pointer) echo -xregs=frameptr ;;
3239 -fPIC) echo -KPIC -xcode=pic32 ;;
3240 -W*,*) echo $flag ;;
3241 -f*-*|-W*|-mimpure-text) ;;
3252 case "${flag#*=}" in
3253 armv7-a|cortex-a*) echo -mv=7a8 ;;
3254 armv7-r|cortex-r*) echo -mv=7r4 ;;
3255 armv7-m|cortex-m*) echo -mv=7m3 ;;
3256 armv6*|arm11*) echo -mv=6 ;;
3257 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3259 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3262 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3263 -mfpu=vfp) echo --float_support=vfpv2 ;;
3264 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3265 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3266 -msoft-float) echo --float_support=vfplib ;;
3267 -O[0-3]|-mf=*) echo $flag ;;
3269 -pds=*) echo $flag ;;
3270 -D*|-I*) echo $flag ;;
3271 --gcc|--abi=*) echo $flag ;;
3281 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3282 unset _ld_o _ldflags _ld_lib _ld_path
3283 unset _depflags _DEPCMD _DEPFLAGS
3286 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3288 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3289 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3290 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3293 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3295 gcc_version=$($_cc --version | head -n1)
3296 gcc_basever=$($_cc -dumpversion)
3297 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3298 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3299 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3300 if ! $_cc -dumpversion | grep -q '^2\.'; then
3301 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3305 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3307 _ident=$($_cc --version | head -n1)
3312 elif $_cc -v 2>&1 | grep -q xlc; then
3314 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3316 _cflags_size='-O5 -qcompact'
3317 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3319 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3321 _cflags_speed='-fast'
3323 _flags_filter=ccc_flags
3324 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3325 test -d "$sysroot" || die "No valid sysroot specified."
3327 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3328 armcc_conf="$PWD/armcc.conf"
3329 $_cc --arm_linux_configure \
3330 --arm_linux_config_file="$armcc_conf" \
3331 --configure_sysroot="$sysroot" \
3332 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3333 die "Error creating armcc configuration file."
3334 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3335 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3336 as_default="${cross_prefix}gcc"
3340 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3342 _ident=$($_cc -version | head -n1 | tr -s ' ')
3343 _flags='--gcc --abi=eabi -me'
3346 _depflags='-ppa -ppd=$(@:.o=.d)'
3347 _cflags_speed='-O3 -mf=5'
3348 _cflags_size='-O3 -mf=2'
3349 _flags_filter=tms470_flags
3350 elif $_cc -v 2>&1 | grep -q clang; then
3352 _ident=$($_cc --version 2>/dev/null | head -n1)
3353 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3356 elif $_cc -V 2>&1 | grep -q Sun; then
3358 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3359 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3360 _DEPFLAGS='-xM1 -xc99'
3363 _cflags_size='-O5 -xspace'
3364 _flags_filter=suncc_flags
3365 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3367 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3368 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3371 _flags_filter='filter_out -Wdisabled-optimization'
3372 elif $_cc -v 2>&1 | grep -q Open64; then
3374 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3375 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3378 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3379 elif $_cc -V 2>&1 | grep -q Portland; then
3381 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3382 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3383 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3384 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3386 _flags_filter=pgi_flags
3387 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3389 _ident=$($_cc | head -n1)
3390 # 4509: "This form of conditional instruction is deprecated"
3391 _flags="-nologo -ignore 4509"
3392 _flags_filter=armasm_flags
3393 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3395 _ident=$($_cc 2>&1 | head -n1)
3396 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3397 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3401 if $_cc -nologo- 2>&1 | grep -q Linker; then
3408 _flags_filter=msvc_flags
3410 _ld_path='-libpath:'
3412 elif $_cc 2>&1 | grep -q Intel; then
3414 _ident=$($_cc 2>&1 | head -n1)
3415 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3416 # Not only is O3 broken on 13.x+ but it is slower on all previous
3417 # versions (tested) as well.
3419 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3420 if $_cc 2>&1 | grep -q Linker; then
3427 _flags_filter=icl_flags
3429 _ld_path='-libpath:'
3430 # -Qdiag-error to make icl error when seeing certain unknown arguments
3431 _flags='-nologo -Qdiag-error:4044,10157'
3432 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3433 # with MSVC which enables it by default.
3434 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3435 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3436 # lld can emulate multiple different linkers; in ms link.exe mode,
3437 # the -? parameter gives the help output which contains an identifyable
3438 # string, while it gives an error in other modes.
3440 # The link.exe mode doesn't have a switch for getting the version,
3441 # but we can force it back to gnu mode and get the version from there.
3442 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3444 _flags_filter=msvc_flags
3446 _ld_path='-libpath:'
3447 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3449 _ident=$($_cc --version | head -n1)
3453 _flags_filter=cparser_flags
3456 eval ${pfx}_type=\$_type
3457 eval ${pfx}_ident=\$_ident
3461 eval ${1}_C=\${_cc_c-\${${1}_C}}
3462 eval ${1}_E=\${_cc_e-\${${1}_E}}
3463 eval ${1}_O=\${_cc_o-\${${1}_O}}
3465 if [ -n "$_depflags" ]; then
3466 eval ${1}_DEPFLAGS=\$_depflags
3468 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3469 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3470 eval DEP${1}FLAGS=\$_flags
3475 cflags_filter=$_flags_filter
3476 cflags_speed=$_cflags_speed
3477 cflags_size=$_cflags_size
3478 cflags_noopt=$_cflags_noopt
3479 add_cflags $_flags $_cflags
3480 cc_ldflags=$_ldflags
3483 probe_cc hostcc "$host_cc"
3484 host_cflags_filter=$_flags_filter
3485 host_cflags_speed=$_cflags_speed
3486 add_host_cflags $_flags $_cflags
3489 test -n "$cc_type" && enable $cc_type ||
3490 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3492 : ${as_default:=$cc}
3493 : ${objcc_default:=$cc}
3494 : ${dep_cc_default:=$cc}
3495 : ${ld_default:=$cc}
3496 : ${host_ld_default:=$host_cc}
3497 set_default ar as objcc dep_cc ld host_ld
3500 asflags_filter=$_flags_filter
3501 add_asflags $_flags $_cflags
3504 probe_cc objcc "$objcc"
3505 objcflags_filter=$_flags_filter
3506 add_objcflags $_flags $_cflags
3510 ldflags_filter=$_flags_filter
3511 add_ldflags $_flags $_ldflags
3512 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3514 LD_LIB=${_ld_lib-$LD_LIB}
3515 LD_PATH=${_ld_path-$LD_PATH}
3517 probe_cc hostld "$host_ld"
3518 host_ldflags_filter=$_flags_filter
3519 add_host_ldflags $_flags $_ldflags
3520 HOSTLD_O=${_ld_o-$HOSTLD_O}
3522 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3523 probe_cc depcc "$dep_cc"
3524 CCDEP=${_DEPCMD:-$DEPCMD}
3525 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3529 if $ar 2>&1 | grep -q Microsoft; then
3532 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3535 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3536 arflags='-Xany -r -c'
3543 add_cflags $extra_cflags
3544 add_objcflags $extra_objcflags
3545 add_asflags $extra_cflags
3547 if test -n "$sysroot"; then
3550 add_cppflags --sysroot="$sysroot"
3551 add_ldflags --sysroot="$sysroot"
3554 add_cppflags -I"$sysinclude"
3555 add_ldflags --sysroot="$sysroot"
3560 if test "$cpu" = host; then
3561 enabled cross_compile &&
3562 die "--cpu=host makes no sense when cross-compiling."
3567 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3569 s/.*$1=\\([^ ]*\\).*/\\1/
3574 cpu=$(check_native -march || check_native -mcpu)
3578 test "${cpu:-host}" = host &&
3579 die "--cpu=host not supported with compiler $cc"
3582 # Deal with common $arch aliases
3606 "Power Macintosh"|ppc*|powerpc*)
3621 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3626 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3629 # Add processor-specific flags
3630 if enabled aarch64; then
3634 cpuflags="-march=$cpu"
3637 cpuflags="-mcpu=$cpu"
3641 elif enabled alpha; then
3643 cpuflags="-mcpu=$cpu"
3645 elif enabled arm; then
3648 check_cpp_condition stddef.h \
3649 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3654 if check_arm_arch 4; then echo armv4
3655 elif check_arm_arch 4T; then echo armv4t
3656 elif check_arm_arch 5; then echo armv5
3657 elif check_arm_arch 5E; then echo armv5e
3658 elif check_arm_arch 5T; then echo armv5t
3659 elif check_arm_arch 5TE; then echo armv5te
3660 elif check_arm_arch 5TEJ; then echo armv5te
3661 elif check_arm_arch 6; then echo armv6
3662 elif check_arm_arch 6J; then echo armv6j
3663 elif check_arm_arch 6K; then echo armv6k
3664 elif check_arm_arch 6Z; then echo armv6z
3665 elif check_arm_arch 6ZK; then echo armv6zk
3666 elif check_arm_arch 6T2; then echo armv6t2
3667 elif check_arm_arch 7; then echo armv7
3668 elif check_arm_arch 7A 7_A; then echo armv7-a
3669 elif check_arm_arch 7S; then echo armv7-a
3670 elif check_arm_arch 7R 7_R; then echo armv7-r
3671 elif check_arm_arch 7M 7_M; then echo armv7-m
3672 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3673 elif check_arm_arch 8A 8_A; then echo armv8-a
3677 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3681 cpuflags="-march=$cpu"
3682 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3685 cpuflags="-mcpu=$cpu"
3687 cortex-a*) subarch=armv7a ;;
3688 cortex-r*) subarch=armv7r ;;
3689 cortex-m*) enable thumb; subarch=armv7m ;;
3690 arm11*) subarch=armv6 ;;
3691 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3692 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3693 *) subarch=$(probe_arm_arch) ;;
3699 armv5t*) enable fast_clz ;;
3700 armv[6-8]*) enable fast_clz fast_unaligned ;;
3703 elif enabled avr32; then
3708 cpuflags="-mpart=$cpu"
3712 cpuflags="-march=$cpu"
3716 cpuflags="-mcpu=$cpu"
3720 cpuflags="-march=$cpu"
3724 elif enabled bfin; then
3726 cpuflags="-mcpu=$cpu"
3728 elif enabled mips; then
3730 cpuflags="-march=$cpu"
3732 elif enabled ppc; then
3736 case $(tolower $cpu) in
3737 601|ppc601|powerpc601)
3738 cpuflags="-mcpu=601"
3741 603*|ppc603*|powerpc603*)
3742 cpuflags="-mcpu=603"
3745 604*|ppc604*|powerpc604*)
3746 cpuflags="-mcpu=604"
3749 g3|75*|ppc75*|powerpc75*)
3750 cpuflags="-mcpu=750"
3753 g4|745*|ppc745*|powerpc745*)
3754 cpuflags="-mcpu=7450"
3757 74*|ppc74*|powerpc74*)
3758 cpuflags="-mcpu=7400"
3761 g5|970|ppc970|powerpc970)
3762 cpuflags="-mcpu=970"
3766 cpuflags="-mcpu=$cpu"
3770 cpuflags="-mcpu=$cpu"
3774 cpuflags="-mcpu=cell"
3779 cpuflags="-mcpu=e500mc"
3783 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3788 cpuflags="-mcpu=8540 -mhard-float"
3794 elif enabled sparc; then
3797 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3798 cpuflags="-mcpu=$cpu"
3800 ultrasparc*|niagara[234])
3801 cpuflags="-mcpu=$cpu"
3805 elif enabled x86; then
3809 cpuflags="-march=$cpu"
3813 # targets that do NOT support nopl and conditional mov (cmov)
3814 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3815 cpuflags="-march=$cpu"
3818 # targets that do support nopl and conditional mov (cmov)
3819 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3820 cpuflags="-march=$cpu"
3824 # targets that do support conditional mov but on which it's slow
3825 pentium4|pentium4m|prescott|nocona)
3826 cpuflags="-march=$cpu"
3834 if [ "$cpu" != generic ]; then
3835 add_cflags $cpuflags
3836 add_asflags $cpuflags
3837 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3840 # compiler sanity check
3842 int main(void){ return 0; }
3844 if test "$?" != 0; then
3845 echo "$cc is unable to create an executable file."
3846 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3847 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3848 echo "Only do this if you know what cross compiling means."
3850 die "C compiler test failed."
3853 add_cppflags -D_ISOC99_SOURCE
3855 # some compilers silently accept -std=c11, so we also need to check that the
3856 # version macro is defined properly
3857 check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
3858 add_cflags -std=c11 ||
3859 check_cflags -std=c99
3861 check_cppflags -D_FILE_OFFSET_BITS=64
3862 check_cppflags -D_LARGEFILE_SOURCE
3864 add_host_cppflags -D_ISOC99_SOURCE
3865 check_host_cflags -std=c99
3866 check_host_cflags -Wall
3867 check_host_cflags $host_cflags_speed
3873 check_code cc "" "int test[2*($expr) - 1]" &&
3874 subarch=$arch64 || subarch=$arch32
3882 check_64bit mips mips64 '_MIPS_SIM > 1'
3886 check_64bit parisc parisc64 'sizeof(void *) > 4'
3890 check_64bit ppc ppc64 'sizeof(void *) > 4'
3894 check_64bit s390 s390x 'sizeof(void *) > 4'
3898 check_64bit sparc sparc64 'sizeof(void *) > 4'
3902 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3903 if test "$subarch" = "x86_64"; then
3910 enabled spic && enable_weak pic
3912 enabled x86_64 && objformat=elf64 || objformat="elf32"
3918 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3919 enabled shared && add_ldflags -Wl,-brtl
3923 enable section_data_rel_ro
3924 SLIB_INSTALL_NAME='$(SLIBNAME)'
3926 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3929 prefix_default="/boot/common"
3930 network_extralibs="-lnetwork"
3934 SHFLAGS='-shared -Wl,-h,$$(@F)'
3935 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3936 network_extralibs="-lsocket -lnsl"
3937 # When using suncc to build, the Solaris linker will mark
3938 # an executable with each instruction set encountered by
3939 # the Solaris assembler. As our libraries contain their own
3940 # guards for processor-specific code, instead suppress
3941 # generation of the HWCAPS ELF section on Solaris x86 only.
3942 enabled_all suncc x86 &&
3943 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3944 add_ldflags -Wl,-M,mapfile
3945 nm_default='nm -P -g'
3947 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3951 oss_indev_extralibs="-lossaudio"
3952 oss_outdev_extralibs="-lossaudio"
3957 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3959 oss_indev_extralibs="-lossaudio"
3960 oss_outdev_extralibs="-lossaudio"
3968 add_extralibs -lpoll -lgnugetopt
3971 enabled ppc && add_asflags -force_cpusubtype_ALL
3972 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3973 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3974 add_ldflags -Wl,-dynamic,-search_paths_first
3975 check_cflags -Werror=partial-availability
3977 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3978 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3979 enabled x86_64 && objformat="macho64" || objformat="macho32"
3980 enabled_any pic shared ||
3981 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3982 check_header dispatch/dispatch.h &&
3983 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3986 die "Native MSYS builds are discouraged, please use the MINGW environment."
3989 if test $target_os = "mingw32ce"; then
3995 if enabled x86_64; then
3996 LIBTARGET="i386:x86-64"
3997 elif enabled arm; then
4000 check_ldflags -Wl,--nxcompat
4001 check_ldflags -Wl,--dynamicbase
4002 shlibdir_default="$bindir_default"
4005 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4006 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4007 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4008 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4010 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4011 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4012 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4013 enabled x86_64 && objformat="win64" || objformat="win32"
4014 dlltool="${cross_prefix}dlltool"
4020 if enabled shared; then
4021 # Link to the import library instead of the normal static library
4024 # Cannot build both shared and static libs with MSVC or icl.
4027 shlibdir_default="$bindir_default"
4030 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4031 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4032 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4033 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4035 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4036 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4037 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4038 enabled x86_64 && objformat="win64" || objformat="win32"
4044 shlibdir_default="$bindir_default"
4047 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4048 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4049 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4051 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
4052 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
4053 enabled x86_64 && objformat="win64" || objformat="win32"
4056 *-dos|freedos|opendos)
4057 network_extralibs="-lsocket"
4060 add_cppflags -U__STRICT_ANSI__
4064 enable section_data_rel_ro
4068 ranlib="echo ignoring ranlib"
4073 add_cppflags -D_GNU_SOURCE
4074 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
4075 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4079 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4080 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4081 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4082 echo CODE PRELOAD MOVEABLE DISCARDABLE >>&n