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-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
287 --extra-libs=ELIBS add ELIBS [$ELIBS]
288 --extra-version=STRING version string suffix []
289 --optflags=OPTFLAGS override optimization-related compiler flags
290 --enable-pic build position-independent code
291 --enable-thumb compile for Thumb instruction set
292 --enable-lto use link-time optimization
293 --env="ENV=override" override the environment variables
295 Advanced options (experts only):
296 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
297 --custom-allocator=NAME use a supported custom allocator
298 --disable-symver disable symbol versioning
299 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
300 --disable-safe-bitstream-reader
301 disable buffer boundary checking in bitreaders
302 (faster, but may crash)
303 --enable-sram allow use of on-chip SRAM
305 Optimization options (experts only):
306 --disable-asm disable all assembly optimizations
307 --disable-altivec disable AltiVec optimizations
308 --disable-vsx disable VSX optimizations
309 --disable-power8 disable POWER8 optimizations
310 --disable-amd3dnow disable 3DNow! optimizations
311 --disable-amd3dnowext disable 3DNow! extended optimizations
312 --disable-mmx disable MMX optimizations
313 --disable-mmxext disable MMXEXT optimizations
314 --disable-sse disable SSE optimizations
315 --disable-sse2 disable SSE2 optimizations
316 --disable-sse3 disable SSE3 optimizations
317 --disable-ssse3 disable SSSE3 optimizations
318 --disable-sse4 disable SSE4 optimizations
319 --disable-sse42 disable SSE4.2 optimizations
320 --disable-avx disable AVX optimizations
321 --disable-xop disable XOP optimizations
322 --disable-fma3 disable FMA3 optimizations
323 --disable-fma4 disable FMA4 optimizations
324 --disable-avx2 disable AVX2 optimizations
325 --disable-armv5te disable armv5te optimizations
326 --disable-armv6 disable armv6 optimizations
327 --disable-armv6t2 disable armv6t2 optimizations
328 --disable-vfp disable VFP optimizations
329 --disable-neon disable NEON optimizations
330 --disable-inline-asm disable use of inline assembly
331 --disable-x86asm disable use of standalone x86 assembly
333 Developer options (useful when working on Libav itself):
334 --disable-debug disable debugging symbols
335 --enable-debug=LEVEL set the debug level [$debuglevel]
336 --disable-optimizations disable compiler optimizations
337 --enable-extra-warnings enable more compiler warnings
338 --samples=PATH location of test samples for FATE, if not set use
339 \$LIBAV_SAMPLES at make invocation time.
340 --enable-neon-clobber-test check NEON registers for clobbering (should be
341 used only for debugging purposes)
342 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
343 should be used only for debugging purposes)
344 --enable-random randomly enable/disable components
346 --enable-random=LIST randomly enable/disable specific components or
347 --disable-random=LIST component groups. LIST is a comma-separated list
348 of NAME[:PROB] entries where NAME is a component
349 (group) and PROB the probability associated with
351 --random-seed=VALUE seed value for --enable/disable-random
352 --disable-valgrind-backtrace do not print a backtrace under Valgrind
353 (only applies to --disable-optimizations builds)
354 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
355 in the name) of tests whose result is ignored
357 NOTE: Object files are built at the place where configure is launched.
365 echo "$@" >> $logfile
372 printf '%5s %s\n' "${i}" "${line}"
374 done < $1 >> $logfile
385 WARNINGS="${WARNINGS}WARNING: $*\n"
392 If you think configure made a mistake, make sure you are using the latest
393 version from Git. If the latest version fails, report the problem to the
394 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
396 if disabled logging; then
398 Rerun configure with logging enabled (do not use --disable-logging), and
399 include the log this produces with your report.
403 Include the log file "$logfile" produced by configure as this will help
410 # Avoid locale weirdness, besides we really just want to translate ASCII.
412 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
416 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
420 echo "$*" | sed 's/["\\]/\\\0/g'
424 v=$(echo "$1" | sed "s/'/'\\\\''/g")
425 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
430 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
437 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
445 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
452 for v; do eval $m; done
458 for v; do echo ${v}${suffix}; done
473 eval : \${$var:=$value}
478 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
484 eval $(sanitize_var_name "$var")='$*'
488 eval echo \$$(sanitize_var_name "$1")
493 eval level=\${${pvar}_level:=0}
494 eval ${pvar}_${level}="\$$pvar"
495 eval ${pvar}_level=$(($level+1))
501 eval level=\${${pvar}_level:-0}
502 test $level = 0 && continue
503 eval level=$(($level-1))
504 eval $pvar="\${${pvar}_${level}}"
505 eval ${pvar}_level=$level
506 eval unset ${pvar}_${level}
528 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
534 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
540 enabled $var && continue
541 eval sel="\$${var}_select"
542 eval sgs="\$${var}_suggest"
546 enable_deep_weak $sgs
558 disabled $var && continue
567 test "${1#!}" = "$1" && op== || op=!=
568 eval test "x\$${1#!}" $op "xyes"
572 test "${1#!}" = "$1" && op== || op=!=
573 eval test "x\$${1#!}" $op "xno"
578 enabled $opt || return 1
584 disabled $opt || return 1
590 enabled $opt && return 0
596 disabled $opt && return 0
603 eval : \${$opt:=\$${opt}_default}
611 [ $var = $value ] && return 0
618 enabled ${cfg}_checking && die "Circular dependency for $cfg."
619 disabled ${cfg}_checking && continue
620 enable ${cfg}_checking
622 eval dep_all="\$${cfg}_deps"
623 eval dep_any="\$${cfg}_deps_any"
624 eval dep_con="\$${cfg}_conflict"
625 eval dep_sel="\$${cfg}_select"
626 eval dep_sgs="\$${cfg}_suggest"
627 eval dep_ifa="\$${cfg}_if"
628 eval dep_ifn="\$${cfg}_if_any"
630 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
631 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
632 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
634 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
635 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
636 enabled_all $dep_all || disable $cfg
637 enabled_any $dep_any || disable $cfg
638 disabled_all $dep_con || disable $cfg
639 disabled_any $dep_sel && disable $cfg
641 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
643 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
644 # filter out library deps, these do not belong in extralibs
645 is_in $dep $LIBRARY_LIST && continue
646 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
649 disable ${cfg}_checking
657 map 'eval echo "$v \${$v:-no}"' "$@" |
658 awk "BEGIN { split(\"$files\", files) }
660 c = \"$pfx\" toupper(\$1);
666 if (file ~ /\\.h\$/) {
667 printf(\"#define %s %d\\n\", c, v) >>file;
668 } else if (file ~ /\\.asm\$/) {
669 printf(\"%%define %s %d\\n\", c, v) >>file;
670 } else if (file ~ /\\.mak\$/) {
671 n = -v ? \"\" : \"!\";
672 printf(\"%s%s=yes\\n\", n, c) >>file;
682 enabled $v && printf "%s\n" ${v%$suf}
689 eval "$var=\"\$$var $*\""
695 eval "$var=\"$* \$$var\""
701 for tok in $(eval echo \$$var); do
702 uniq_list="$(filter_out $tok $uniq_list) $tok"
704 eval "$var=\"${uniq_list}\""
710 for entry in $(eval echo \$$var); do
711 tmpvar="$tmpvar $(eval echo \$${entry})"
713 eval "$var=\"${tmpvar}\""
721 append CFLAGS $($cflags_filter "$@")
724 add_cflags_headers(){
725 append CFLAGS_HEADERS $($cflags_filter "$@")
729 append ASFLAGS $($asflags_filter "$@")
733 append OBJCFLAGS $($objcflags_filter "$@")
737 append LDFLAGS $($ldflags_filter "$@")
741 append LDEXEFLAGS $($ldflags_filter "$@")
745 append LDSOFLAGS $($ldflags_filter "$@")
749 append STRIPFLAGS "$@"
753 prepend extralibs $($ldflags_filter "$@")
757 append host_cppflags "$@"
761 append host_cflags $($host_cflags_filter "$@")
765 append host_ldflags $($host_ldflags_filter "$@")
769 append compat_objs $1
771 map 'add_cppflags -D$v' "$@"
776 "$@" >> $logfile 2>&1
780 eval printf '%s\\n' $CC_O
784 eval printf '%s\\n' $CC_E
791 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
798 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
805 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
809 eval printf '%s\\n' $AS_O
816 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
820 log check_inline_asm "$@"
825 check_cc "$@" <<EOF && enable $name
826 void foo(void){ __asm__ volatile($code); }
832 check_inline_asm ${1}_inline "\"$2\""
833 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
837 log check_x86asm "$@"
841 check_cmd $x86asmexe $X86ASMFLAGS "$@" -o $TMPO $TMPS
845 eval printf '%s\\n' $LD_O
850 flags=$(filter_out '-l*' "$@")
851 libs=$(filter '-l*' "$@")
852 check_cc $($cflags_filter $flags) || return
853 flags=$($ldflags_filter $flags)
854 libs=$($ldflags_filter $libs)
855 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
860 test "${hdr%.h}" = "${hdr}" &&
861 echo "#include $hdr" ||
862 echo "#include <$hdr>"
872 for hdr in $headers; do
875 echo "int main(void) { $code; return 0; }"
876 } | check_$check "$@"
880 log check_cppflags "$@"
881 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
888 set -- $($cflags_filter "$@")
895 log check_cflags "$@"
896 test_cflags "$@" && add_cflags "$@"
900 log test_objcflags "$@"
901 set -- $($objcflags_filter "$@")
902 check_objcc "$@" <<EOF
908 log check_objcflags "$@"
909 test_objcflags "$@" && add_objcflags "$@"
913 log test_ldflags "$@"
915 int main(void){ return 0; }
920 log check_ldflags "$@"
921 test_ldflags "$@" && add_ldflags "$@"
925 log test_stripflags "$@"
926 # call check_cc to get a fresh TMPO
928 int main(void) { return 0; }
930 check_cmd $strip $STRIPFLAGS "$@" $TMPO
934 log check_stripflags "$@"
935 test_stripflags "$@" && add_stripflags "$@"
939 log check_header "$@"
942 disable_sanitized $header
943 check_cpp "$@" <<EOF && enable_sanitized $header
954 check_ld "$@" <<EOF && enable $func
956 int main(void){ $func(); }
961 log check_mathfunc "$@"
965 test $narg = 2 && args="f, g" || args="f"
967 check_ld "$@" <<EOF && enable $func
969 float foo(float f, float g) { return $func($args); }
970 int main(void){ return 0; }
974 check_func_headers(){
975 log check_func_headers "$@"
980 for hdr in $headers; do
983 for func in $funcs; do
984 echo "long check_$func(void) { return (long) $func; }"
986 echo "int main(void) { return 0; }"
987 } | check_ld "$@" && enable $funcs && enable_sanitized $headers
990 check_cpp_condition(){
991 log check_cpp_condition "$@"
998 #error "unsatisfied condition: $condition"
1004 log test_cflags_cpp "$@"
1008 set -- $($cflags_filter "$flags")
1009 check_cpp "$@" <<EOF
1011 #error "unsatisfied condition: $condition"
1023 check_func_headers "$headers" "$funcs" "$@" &&
1024 enable $name && eval ${name}_extralibs="\$@"
1028 log check_pkg_config "$@"
1036 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1037 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1038 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1039 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1041 add_cflags "$pkg_cflags" &&
1042 eval $(sanitize_var_name ${name}_extralibs)="\$pkg_libs"
1046 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1050 log check_exec_crash "$@"
1053 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1054 # are safe but may not be available everywhere. Thus we use
1055 # raise(SIGTERM) instead. The check is run in a subshell so we
1056 # can redirect the "Terminated" message from the shell. SIGBUS
1057 # is not defined by standard C so it is used conditionally.
1059 (check_exec "$@") >> $logfile 2>&1 <<EOF
1061 static void sighandler(int sig){
1067 int (*func_ptr)(void) = foo;
1069 signal(SIGILL, sighandler);
1070 signal(SIGFPE, sighandler);
1071 signal(SIGSEGV, sighandler);
1073 signal(SIGBUS, sighandler);
1085 disable_sanitized "$type"
1086 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1090 log check_struct "$@"
1095 disable_sanitized "${struct}_${member}"
1096 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1097 enable_sanitized "${struct}_${member}"
1101 log check_builtin "$@"
1107 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1110 check_compile_assert(){
1111 log check_compile_assert "$@"
1117 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1127 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1134 check_header "$header" "$@" || die "ERROR: $header not found"
1137 require_cpp_condition(){
1142 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1145 require_pkg_config(){
1146 log require_pkg_config "$@"
1148 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1152 eval printf '%s\\n' $HOSTCC_E
1156 eval printf '%s\\n' $HOSTCC_O
1160 log check_host_cc "$@"
1163 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1167 log check_host_cpp "$@"
1170 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1173 check_host_cppflags(){
1174 log check_host_cppflags "$@"
1175 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1176 #include <stdlib.h>;
1180 check_host_cflags(){
1181 log check_host_cflags "$@"
1182 set -- $($host_cflags_filter "$@")
1183 check_host_cc "$@" <<EOF && append host_cflags "$@"
1188 check_host_cpp_condition(){
1189 log check_host_cpp_condition "$@"
1193 check_host_cpp "$@" <<EOF
1196 #error "unsatisfied condition: $condition"
1204 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1208 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1209 mkdir -p "$(dirname $2)"
1213 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1214 # system-dependent things.
1216 AVCODEC_COMPONENTS="
1224 AVDEVICE_COMPONENTS="
1228 AVFILTER_COMPONENTS="
1231 AVFORMAT_COMPONENTS="
1237 AVRESAMPLE_COMPONENTS=""
1238 AVUTIL_COMPONENTS=""
1242 $AVDEVICE_COMPONENTS
1243 $AVFILTER_COMPONENTS
1244 $AVFORMAT_COMPONENTS
1245 $AVRESAMPLE_COMPONENTS
1250 decode_audio_example
1251 decode_video_example
1252 encode_audio_example
1253 encode_video_example
1254 filter_audio_example
1258 transcode_aac_example
1261 # catchall list of things that require external libs to link
1267 HWACCEL_LIBRARY_NONFREE_LIST="
1271 HWACCEL_LIBRARY_LIST="
1272 $HWACCEL_LIBRARY_NONFREE_LIST
1284 EXTERNAL_LIBRARY_GPL_LIST="
1292 EXTERNAL_LIBRARY_NONFREE_LIST="
1298 EXTERNAL_LIBRARY_VERSION3_LIST="
1305 EXTERNAL_LIBRARY_LIST="
1306 $EXTERNAL_LIBRARY_GPL_LIST
1307 $EXTERNAL_LIBRARY_NONFREE_LIST
1308 $EXTERNAL_LIBRARY_VERSION3_LIST
1344 SYSTEM_LIBRARY_LIST="
1354 safe_bitstream_reader
1397 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1400 $EXTERNAL_LIBRARY_LIST
1401 $HWACCEL_LIBRARY_LIST
1407 $SYSTEM_LIBRARY_LIST
1466 ARCH_EXT_LIST_X86_SIMD="
1494 $ARCH_EXT_LIST_X86_SIMD
1499 ARCH_EXT_LIST_MIPS="
1536 sync_val_compare_and_swap
1550 AVFoundation_AVFoundation_h
1554 cdio_paranoia_paranoia_h
1557 dev_bktr_ioctl_bt848_h
1558 dev_bktr_ioctl_meteor_h
1560 dev_video_bktr_ioctl_bt848_h
1561 dev_video_meteor_ioctl_meteor_h
1569 machine_ioctl_bt848_h
1570 machine_ioctl_meteor_h
1634 GetProcessAffinityMask
1635 GetProcessMemoryInfo
1638 GetSystemTimeAsFileTime
1654 SetConsoleTextAttribute
1665 TOOLCHAIN_FEATURES="
1688 CONDITION_VARIABLE_Ptr
1691 struct_group_source_req
1692 struct_ip_mreq_source
1695 struct_rusage_ru_maxrss
1697 struct_sockaddr_sa_len
1698 struct_sockaddr_storage
1699 struct_v4l2_frmivalenum_discrete
1704 $(add_suffix _external $ARCH_EXT_LIST)
1705 $(add_suffix _inline $ARCH_EXT_LIST)
1719 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1729 # options emitted with CONFIG_ prefix but not available on the command line
1880 # code dependency declarations
1882 # architecture extensions
1887 armv8_deps="aarch64"
1888 neon_deps_any="aarch64 arm"
1889 intrinsics_neon_deps="neon"
1890 vfp_deps_any="aarch64 arm"
1893 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1902 loongson_deps="mips"
1903 mips32r1_deps="mips32"
1904 mips32r2_deps="mips32"
1905 mips32r6_deps="mips32"
1906 mips64r1_deps="mips64"
1907 mips64r2_deps="mips64"
1908 mips64r6_deps="mips64"
1913 x86_64_select="i686"
1914 x86_64_suggest="fast_cmov"
1917 amd3dnowext_deps="amd3dnow"
1933 mmx_external_deps="x86asm"
1934 mmx_inline_deps="inline_asm x86"
1935 mmx_suggest="mmx_external mmx_inline"
1937 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1938 eval dep=\$${ext}_deps
1939 eval ${ext}_external_deps='"${dep}_external"'
1940 eval ${ext}_inline_deps='"${dep}_inline"'
1941 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1944 aligned_stack_if_any="aarch64 ppc x86"
1945 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1946 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1947 fast_unaligned_if_any="aarch64 ppc x86"
1948 simd_align_16_if_any="altivec neon sse"
1949 simd_align_32_if_any="avx"
1951 # system capabilities
1952 symver_if_any="symver_asm_label symver_gnu_asm"
1953 valgrind_backtrace_conflict="optimizations"
1954 valgrind_backtrace_deps="valgrind_valgrind_h"
1957 atomics_gcc_if="sync_val_compare_and_swap"
1958 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1959 atomics_win32_if="MemoryBarrier"
1960 atomics_native_if_any="$ATOMICS_LIST"
1961 w32threads_deps="atomics_native"
1962 threads_if_any="$THREADS_LIST"
1966 dirac_parse_select="golomb"
1967 error_resilience_select="me_cmp"
1969 faandct_select="fdctdsp"
1970 faanidct_deps="faan"
1971 faanidct_select="idctdsp"
1972 h264dsp_select="startcode"
1973 hevc_ps_select="golomb"
1974 intrax8_select="blockdsp idctdsp"
1977 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1978 mpeg_er_select="error_resilience"
1979 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1980 mpegaudiodsp_select="dct"
1981 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1982 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1983 vc1dsp_select="h264chroma qpeldsp startcode"
1985 # decoders / encoders
1986 aac_decoder_select="adts_header imdct15 mdct sinewin"
1987 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1988 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1989 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1990 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1991 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1992 adpcm_g722_decoder_select="g722dsp"
1993 adpcm_g722_encoder_select="g722dsp"
1994 aic_decoder_select="golomb idctdsp"
1995 alac_encoder_select="lpc"
1996 als_decoder_select="bswapdsp"
1997 amrnb_decoder_select="lsp"
1998 amrwb_decoder_select="lsp"
1999 amv_decoder_select="sp5x_decoder"
2000 ape_decoder_select="bswapdsp"
2001 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2002 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2003 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2004 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2005 atrac1_decoder_select="mdct sinewin"
2006 atrac3_decoder_select="mdct"
2007 atrac3p_decoder_select="mdct sinewin"
2008 bink_decoder_select="blockdsp hpeldsp"
2009 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2010 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2011 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2012 clearvideo_decoder_select="idctdsp"
2013 cllc_decoder_select="bswapdsp"
2014 comfortnoise_encoder_select="lpc"
2015 cook_decoder_select="audiodsp mdct sinewin"
2016 cscd_decoder_select="lzo"
2017 cscd_decoder_suggest="zlib"
2018 dca_decoder_select="fmtconvert mdct"
2019 dds_decoder_select="texturedsp"
2020 dnxhd_decoder_select="blockdsp idctdsp"
2021 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2022 dvvideo_decoder_select="dvprofile idctdsp"
2023 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2024 dxa_decoder_deps="zlib"
2025 dxv_decoder_select="lzf texturedsp"
2026 eac3_decoder_select="ac3_decoder"
2027 eac3_encoder_select="ac3_encoder"
2028 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2029 eatgq_decoder_select="aandcttables idctdsp"
2030 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2031 exr_decoder_deps="zlib"
2032 ffv1_decoder_select="rangecoder"
2033 ffv1_encoder_select="rangecoder"
2034 ffvhuff_decoder_select="huffyuv_decoder"
2035 ffvhuff_encoder_select="huffyuv_encoder"
2036 fic_decoder_select="golomb"
2037 flac_decoder_select="flacdsp"
2038 flac_encoder_select="bswapdsp flacdsp lpc"
2039 flashsv_decoder_deps="zlib"
2040 flashsv_encoder_deps="zlib"
2041 flashsv2_decoder_deps="zlib"
2042 flv_decoder_select="h263_decoder"
2043 flv_encoder_select="h263_encoder"
2044 fourxm_decoder_select="blockdsp bswapdsp"
2045 fraps_decoder_select="bswapdsp huffman"
2046 g2m_decoder_deps="zlib"
2047 g2m_decoder_select="blockdsp idctdsp jpegtables"
2048 h261_decoder_select="mpeg_er mpegvideo"
2049 h261_encoder_select="aandcttables mpegvideoenc"
2050 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2051 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2052 h263i_decoder_select="h263_decoder"
2053 h263p_encoder_select="h263_encoder"
2054 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2055 h264_decoder_suggest="error_resilience"
2056 hap_decoder_select="snappy texturedsp"
2057 hap_encoder_deps="libsnappy"
2058 hap_encoder_select="texturedspenc"
2059 hevc_decoder_select="bswapdsp cabac hevc_ps videodsp"
2060 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2061 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2062 iac_decoder_select="imc_decoder"
2063 imc_decoder_select="bswapdsp fft mdct sinewin"
2064 indeo3_decoder_select="hpeldsp"
2065 indeo4_decoder_select="ividsp"
2066 indeo5_decoder_select="ividsp"
2067 interplay_video_decoder_select="hpeldsp"
2068 jpegls_decoder_select="mjpeg_decoder"
2069 jv_decoder_select="blockdsp"
2070 lagarith_decoder_select="huffyuvdsp"
2071 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2072 magicyuv_decoder_select="huffyuvdsp"
2073 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2074 metasound_decoder_select="lsp mdct sinewin"
2075 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2076 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2077 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2078 mjpegb_decoder_select="mjpeg_decoder"
2079 mlp_decoder_select="mlp_parser"
2080 motionpixels_decoder_select="bswapdsp"
2081 mp1_decoder_select="mpegaudio"
2082 mp1float_decoder_select="mpegaudio"
2083 mp2_decoder_select="mpegaudio"
2084 mp2float_decoder_select="mpegaudio"
2085 mp3_decoder_select="mpegaudio"
2086 mp3adu_decoder_select="mpegaudio"
2087 mp3adufloat_decoder_select="mpegaudio"
2088 mp3float_decoder_select="mpegaudio"
2089 mp3on4_decoder_select="mpegaudio"
2090 mp3on4float_decoder_select="mpegaudio"
2091 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2092 mpc8_decoder_select="mpegaudiodsp"
2093 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2094 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2095 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2096 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2097 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2098 mpeg4_encoder_select="h263_encoder"
2099 msa1_decoder_select="mss34dsp"
2100 msmpeg4v1_decoder_select="h263_decoder"
2101 msmpeg4v2_decoder_select="h263_decoder"
2102 msmpeg4v2_encoder_select="h263_encoder"
2103 msmpeg4v3_decoder_select="h263_decoder"
2104 msmpeg4v3_encoder_select="h263_encoder"
2105 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2106 mts2_decoder_select="mss34dsp"
2107 mxpeg_decoder_select="mjpeg_decoder"
2108 nellymoser_decoder_select="mdct sinewin"
2109 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2110 nuv_decoder_select="idctdsp lzo"
2111 on2avc_decoder_select="mdct"
2112 opus_decoder_deps="avresample"
2113 opus_decoder_select="imdct15"
2114 png_decoder_deps="zlib"
2115 png_encoder_deps="zlib"
2116 png_encoder_select="huffyuvencdsp"
2117 prores_decoder_select="idctdsp"
2118 prores_encoder_select="fdctdsp"
2119 qcelp_decoder_select="lsp"
2120 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2121 ra_144_encoder_select="audio_frame_queue lpc"
2122 ralf_decoder_select="golomb"
2123 rscc_decoder_deps="zlib"
2124 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2125 rv10_encoder_select="h263_encoder"
2126 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2127 rv20_encoder_select="h263_encoder"
2128 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2129 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2130 screenpresso_decoder_deps="zlib"
2131 sipr_decoder_select="lsp"
2132 sp5x_decoder_select="mjpeg_decoder"
2133 svq1_decoder_select="hpeldsp"
2134 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2135 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2136 svq3_decoder_suggest="zlib"
2137 tak_decoder_select="audiodsp"
2138 tdsc_decoder_deps="zlib"
2139 tdsc_decoder_select="mjpeg_decoder"
2140 theora_decoder_select="vp3_decoder"
2141 thp_decoder_select="mjpeg_decoder"
2142 tiff_decoder_suggest="zlib"
2143 tiff_encoder_suggest="zlib"
2144 truehd_decoder_select="mlp_decoder"
2145 truemotion2_decoder_select="bswapdsp"
2146 truespeech_decoder_select="bswapdsp"
2147 tscc_decoder_deps="zlib"
2148 txd_decoder_select="texturedsp"
2149 twinvq_decoder_select="mdct lsp sinewin"
2150 utvideo_decoder_select="bswapdsp huffyuvdsp"
2151 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2152 vble_decoder_select="huffyuvdsp"
2153 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2154 vc1image_decoder_select="vc1_decoder"
2155 vorbis_decoder_select="mdct"
2156 vorbis_encoder_select="mdct"
2157 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2158 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2159 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2160 vp6a_decoder_select="vp6_decoder"
2161 vp6f_decoder_select="vp6_decoder"
2162 vp7_decoder_select="h264pred videodsp vp8dsp"
2163 vp8_decoder_select="h264pred videodsp vp8dsp"
2164 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2165 webp_decoder_select="vp8_decoder"
2166 wmapro_decoder_select="mdct sinewin wma_freqs"
2167 wmav1_decoder_select="mdct sinewin wma_freqs"
2168 wmav1_encoder_select="mdct sinewin wma_freqs"
2169 wmav2_decoder_select="mdct sinewin wma_freqs"
2170 wmav2_encoder_select="mdct sinewin wma_freqs"
2171 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2172 wmv1_decoder_select="h263_decoder"
2173 wmv1_encoder_select="h263_encoder"
2174 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2175 wmv2_encoder_select="h263_encoder wmv2dsp"
2176 wmv3_decoder_select="vc1_decoder"
2177 wmv3image_decoder_select="wmv3_decoder"
2178 zerocodec_decoder_deps="zlib"
2179 zlib_decoder_deps="zlib"
2180 zlib_encoder_deps="zlib"
2181 zmbv_decoder_deps="zlib"
2182 zmbv_encoder_deps="zlib"
2184 # hardware accelerators
2185 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2186 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2187 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2188 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2190 h263_vaapi_hwaccel_deps="vaapi"
2191 h263_vaapi_hwaccel_select="h263_decoder"
2192 h264_d3d11va_hwaccel_deps="d3d11va"
2193 h264_d3d11va_hwaccel_select="h264_decoder"
2194 h264_d3d11va2_hwaccel_deps="d3d11va"
2195 h264_d3d11va2_hwaccel_select="h264_decoder"
2196 h264_dxva2_hwaccel_deps="dxva2"
2197 h264_dxva2_hwaccel_select="h264_decoder"
2198 h264_mmal_hwaccel_deps="mmal"
2199 h264_qsv_hwaccel_deps="libmfx"
2200 h264_vaapi_hwaccel_deps="vaapi"
2201 h264_vaapi_hwaccel_select="h264_decoder"
2202 h264_vda_hwaccel_deps="vda"
2203 h264_vda_hwaccel_select="h264_decoder"
2204 h264_vda_old_hwaccel_deps="vda"
2205 h264_vda_old_hwaccel_select="h264_decoder"
2206 h264_vdpau_hwaccel_deps="vdpau"
2207 h264_vdpau_hwaccel_select="h264_decoder"
2208 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2209 hevc_d3d11va_hwaccel_select="hevc_decoder"
2210 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2211 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2212 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2213 hevc_dxva2_hwaccel_select="hevc_decoder"
2214 hevc_qsv_hwaccel_deps="libmfx"
2215 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2216 hevc_vaapi_hwaccel_select="hevc_decoder"
2217 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2218 hevc_vdpau_hwaccel_select="hevc_decoder"
2219 mpeg1_vdpau_hwaccel_deps="vdpau"
2220 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2221 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2222 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2223 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2224 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2225 mpeg2_dxva2_hwaccel_deps="dxva2"
2226 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2227 mpeg2_mmal_hwaccel_deps="mmal"
2228 mpeg2_qsv_hwaccel_deps="libmfx"
2229 mpeg2_vaapi_hwaccel_deps="vaapi"
2230 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2231 mpeg2_vdpau_hwaccel_deps="vdpau"
2232 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2233 mpeg4_vaapi_hwaccel_deps="vaapi"
2234 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2235 mpeg4_vdpau_hwaccel_deps="vdpau"
2236 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2237 vc1_d3d11va_hwaccel_deps="d3d11va"
2238 vc1_d3d11va_hwaccel_select="vc1_decoder"
2239 vc1_d3d11va2_hwaccel_deps="d3d11va"
2240 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2241 vc1_dxva2_hwaccel_deps="dxva2"
2242 vc1_dxva2_hwaccel_select="vc1_decoder"
2243 vc1_mmal_hwaccel_deps="mmal"
2244 vc1_qsv_hwaccel_deps="libmfx"
2245 vc1_vaapi_hwaccel_deps="vaapi"
2246 vc1_vaapi_hwaccel_select="vc1_decoder"
2247 vc1_vdpau_hwaccel_deps="vdpau"
2248 vc1_vdpau_hwaccel_select="vc1_decoder"
2249 vp8_qsv_hwaccel_deps="libmfx"
2250 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2251 vp8_vaapi_hwaccel_select="vp8_decoder"
2252 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2253 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2254 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2255 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2256 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2258 # hardware-accelerated codecs
2259 nvenc_deps_any="libdl LoadLibrary"
2260 omx_deps="libdl pthreads"
2261 omx_rpi_select="omx"
2265 vaapi_encode_deps="vaapi"
2267 hwupload_cuda_filter_deps="cuda"
2268 scale_npp_filter_deps="cuda libnpp"
2270 h264_mmal_decoder_deps="mmal"
2271 h264_nvenc_encoder_deps="nvenc"
2272 h264_omx_encoder_deps="omx"
2273 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2274 h264_qsv_encoder_select="qsvenc"
2275 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2276 h264_vaapi_encoder_select="vaapi_encode golomb"
2277 hevc_nvenc_encoder_deps="nvenc"
2278 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2279 hevc_qsv_encoder_select="hevc_ps qsvenc"
2280 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2281 hevc_vaapi_encoder_select="vaapi_encode golomb"
2282 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2283 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2284 mpeg2_mmal_decoder_deps="mmal"
2285 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2286 mpeg2_qsv_encoder_select="qsvenc"
2287 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2288 mpeg2_vaapi_encoder_select="vaapi_encode"
2289 mpeg4_omx_encoder_deps="omx"
2290 vc1_mmal_decoder_deps="mmal"
2291 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2292 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2293 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2294 vp8_vaapi_encoder_select="vaapi_encode"
2295 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2296 vp9_vaapi_encoder_select="vaapi_encode"
2298 nvenc_h264_encoder_select="h264_nvenc_encoder"
2299 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2302 aac_parser_select="adts_header"
2303 h264_parser_select="golomb h264dsp h264parse"
2304 hevc_parser_select="hevc_ps"
2305 mpegaudio_parser_select="mpegaudioheader"
2306 mpegvideo_parser_select="mpegvideo"
2307 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2308 vc1_parser_select="vc1dsp"
2311 aac_adtstoasc_bsf_select="adts_header"
2312 mjpeg2jpeg_bsf_select="jpegtables"
2314 # external libraries
2315 avisynth_deps="LoadLibrary"
2316 avxsynth_deps="libdl"
2317 avisynth_demuxer_deps_any="avisynth avxsynth"
2318 avisynth_demuxer_select="riffdec"
2319 libdcadec_decoder_deps="libdcadec"
2320 libfaac_encoder_deps="libfaac"
2321 libfaac_encoder_select="audio_frame_queue"
2322 libfdk_aac_decoder_deps="libfdk_aac"
2323 libfdk_aac_encoder_deps="libfdk_aac"
2324 libfdk_aac_encoder_select="audio_frame_queue"
2325 libgsm_decoder_deps="libgsm"
2326 libgsm_encoder_deps="libgsm"
2327 libgsm_ms_decoder_deps="libgsm"
2328 libgsm_ms_encoder_deps="libgsm"
2329 libilbc_decoder_deps="libilbc"
2330 libilbc_encoder_deps="libilbc"
2331 libkvazaar_encoder_deps="libkvazaar"
2332 libmp3lame_encoder_deps="libmp3lame"
2333 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2334 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2335 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2336 libopencore_amrnb_encoder_select="audio_frame_queue"
2337 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2338 libopenh264_decoder_deps="libopenh264"
2339 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2340 libopenh264_encoder_deps="libopenh264"
2341 libopenjpeg_decoder_deps="libopenjpeg"
2342 libopenjpeg_encoder_deps="libopenjpeg"
2343 libopus_decoder_deps="libopus"
2344 libopus_encoder_deps="libopus"
2345 libopus_encoder_select="audio_frame_queue"
2346 libschroedinger_decoder_deps="libschroedinger"
2347 libschroedinger_encoder_deps="libschroedinger"
2348 libspeex_decoder_deps="libspeex"
2349 libspeex_encoder_deps="libspeex"
2350 libspeex_encoder_select="audio_frame_queue"
2351 libtheora_encoder_deps="libtheora"
2352 libtwolame_encoder_deps="libtwolame"
2353 libvo_aacenc_encoder_deps="libvo_aacenc"
2354 libvo_aacenc_encoder_select="audio_frame_queue"
2355 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2356 libvorbis_encoder_deps="libvorbis"
2357 libvorbis_encoder_select="audio_frame_queue"
2358 libvpx_vp8_decoder_deps="libvpx"
2359 libvpx_vp8_encoder_deps="libvpx"
2360 libvpx_vp9_decoder_deps="libvpx"
2361 libvpx_vp9_encoder_deps="libvpx"
2362 libwavpack_encoder_deps="libwavpack"
2363 libwavpack_encoder_select="audio_frame_queue"
2364 libwebp_encoder_deps="libwebp"
2365 libx262_encoder_deps="libx262"
2366 libx264_encoder_deps="libx264"
2367 libx265_encoder_deps="libx265"
2368 libxavs_encoder_deps="libxavs"
2369 libxvid_encoder_deps="libxvid mkstemp"
2372 ac3_demuxer_select="ac3_parser"
2373 asf_demuxer_select="riffdec"
2374 asf_muxer_select="riffenc"
2375 asf_stream_muxer_select="asf_muxer"
2376 avi_demuxer_select="iso_media riffdec"
2377 avi_muxer_select="riffenc"
2378 caf_demuxer_select="iso_media riffdec"
2379 dash_muxer_select="mp4_muxer"
2380 dirac_demuxer_select="dirac_parser"
2381 dv_demuxer_select="dvprofile"
2382 dv_muxer_select="dvprofile"
2383 dxa_demuxer_select="riffdec"
2384 eac3_demuxer_select="ac3_parser"
2385 f4v_muxer_select="mov_muxer"
2386 flac_demuxer_select="flac_parser"
2387 hds_muxer_select="flv_muxer"
2388 hls_muxer_select="mpegts_muxer"
2389 ipod_muxer_select="mov_muxer"
2390 ismv_muxer_select="mov_muxer"
2391 matroska_audio_muxer_select="matroska_muxer"
2392 matroska_demuxer_select="iso_media riffdec"
2393 matroska_demuxer_suggest="bzlib lzo zlib"
2394 matroska_muxer_select="iso_media riffenc"
2395 mmf_muxer_select="riffenc"
2396 mov_demuxer_select="iso_media riffdec"
2397 mov_demuxer_suggest="zlib"
2398 mov_muxer_select="iso_media riffenc rtpenc_chain"
2399 mp3_demuxer_select="mpegaudio_parser"
2400 mp3_muxer_select="mpegaudioheader"
2401 mp4_muxer_select="mov_muxer"
2402 mpegts_demuxer_select="iso_media"
2403 mpegts_muxer_select="adts_muxer latm_muxer"
2404 mpegtsraw_demuxer_select="mpegts_demuxer"
2405 mxf_d10_muxer_select="mxf_muxer"
2406 nut_muxer_select="riffenc"
2407 nuv_demuxer_select="riffdec"
2408 oga_muxer_select="ogg_muxer"
2409 ogg_demuxer_select="dirac_parse"
2410 opus_muxer_select="ogg_muxer"
2411 psp_muxer_select="mov_muxer"
2412 rtp_demuxer_select="sdp_demuxer"
2413 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2414 rtsp_demuxer_select="http_protocol rtpdec"
2415 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2416 sap_demuxer_select="sdp_demuxer"
2417 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2418 sdp_demuxer_select="rtpdec"
2419 smoothstreaming_muxer_select="ismv_muxer"
2420 spdif_demuxer_select="adts_header"
2421 spdif_muxer_select="adts_header"
2422 spx_muxer_select="ogg_muxer"
2423 swf_demuxer_suggest="zlib"
2424 tak_demuxer_select="tak_parser"
2425 tg2_muxer_select="mov_muxer"
2426 tgp_muxer_select="mov_muxer"
2427 w64_demuxer_select="wav_demuxer"
2428 wav_demuxer_select="riffdec"
2429 wav_muxer_select="riffenc"
2430 webm_muxer_select="iso_media riffenc"
2431 wtv_demuxer_select="mpegts_demuxer riffdec"
2432 xmv_demuxer_select="riffdec"
2433 xwma_demuxer_select="riffdec"
2436 alsa_indev_deps="alsa"
2437 alsa_outdev_deps="alsa"
2438 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2439 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2440 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2441 dv1394_indev_deps="dv1394"
2442 dv1394_indev_select="dv_demuxer"
2443 fbdev_indev_deps="linux_fb_h"
2444 jack_indev_deps="libjack"
2445 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2446 libcdio_indev_deps="libcdio"
2447 libdc1394_indev_deps="libdc1394"
2448 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2449 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2450 pulse_indev_deps="libpulse"
2451 sndio_indev_deps="sndio"
2452 sndio_outdev_deps="sndio"
2453 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2454 vfwcap_indev_deps="vfw32 vfwcap_defines"
2455 xcbgrab_indev_deps="libxcb libxcb_shape"
2456 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2459 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2460 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2461 ffrtmpcrypt_protocol_select="tcp_protocol"
2462 ffrtmphttp_protocol_conflict="librtmp_protocol"
2463 ffrtmphttp_protocol_select="http_protocol"
2464 gopher_protocol_select="network"
2465 http_protocol_select="tcp_protocol"
2466 http_protocol_suggest="zlib"
2467 httpproxy_protocol_select="tcp_protocol"
2468 httpproxy_protocol_suggest="zlib"
2469 https_protocol_select="tls_protocol"
2470 https_protocol_suggest="zlib"
2471 icecast_protocol_select="http_protocol"
2472 librtmp_protocol_deps="librtmp"
2473 librtmpe_protocol_deps="librtmp"
2474 librtmps_protocol_deps="librtmp"
2475 librtmpt_protocol_deps="librtmp"
2476 librtmpte_protocol_deps="librtmp"
2477 mmsh_protocol_select="http_protocol"
2478 mmst_protocol_select="network"
2479 rtmp_protocol_conflict="librtmp_protocol"
2480 rtmp_protocol_select="tcp_protocol"
2481 rtmp_protocol_suggest="zlib"
2482 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2483 rtmpe_protocol_suggest="zlib"
2484 rtmps_protocol_conflict="librtmp_protocol"
2485 rtmps_protocol_select="tls_protocol"
2486 rtmps_protocol_suggest="zlib"
2487 rtmpt_protocol_select="ffrtmphttp_protocol"
2488 rtmpt_protocol_suggest="zlib"
2489 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2490 rtmpte_protocol_suggest="zlib"
2491 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2492 rtmpts_protocol_suggest="zlib"
2493 rtp_protocol_select="udp_protocol"
2494 sctp_protocol_deps="struct_sctp_event_subscribe"
2495 sctp_protocol_select="network"
2496 srtp_protocol_select="rtp_protocol srtp"
2497 tcp_protocol_select="network"
2498 tls_protocol_deps_any="gnutls openssl"
2499 tls_protocol_select="tcp_protocol"
2500 udp_protocol_select="network"
2501 unix_protocol_deps="sys_un_h"
2502 unix_protocol_select="network"
2505 asyncts_filter_deps="avresample"
2506 blackframe_filter_deps="gpl"
2507 boxblur_filter_deps="gpl"
2508 bs2b_filter_deps="libbs2b"
2509 cropdetect_filter_deps="gpl"
2510 deinterlace_qsv_filter_deps="libmfx"
2511 deinterlace_vaapi_filter_deps="vaapi"
2512 delogo_filter_deps="gpl"
2513 drawtext_filter_deps="libfreetype"
2514 drawtext_filter_suggest="libfontconfig"
2515 frei0r_filter_deps="frei0r libdl"
2516 frei0r_src_filter_deps="frei0r libdl"
2517 hdcd_filter_deps="libhdcd"
2518 hqdn3d_filter_deps="gpl"
2519 interlace_filter_deps="gpl"
2520 movie_filter_deps="avcodec avformat"
2521 ocv_filter_deps="libopencv"
2522 resample_filter_deps="avresample"
2523 scale_filter_deps="swscale"
2524 scale_qsv_filter_deps="libmfx"
2525 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2528 decode_audio_example_deps="avcodec avutil"
2529 decode_video_example_deps="avcodec avutil"
2530 encode_audio_example_deps="avcodec avutil"
2531 encode_video_example_deps="avcodec avutil"
2532 filter_audio_example_deps="avfilter avutil"
2533 metadata_example_deps="avformat avutil"
2534 output_example_deps="avcodec avformat avresample avutil swscale"
2535 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2536 transcode_aac_example_deps="avcodec avformat avresample"
2539 cpu_init_extralibs="pthreads_extralibs"
2540 cws2fws_extralibs="zlib_extralibs"
2542 # libraries, in linking order
2543 avcodec_deps="avutil"
2544 avcodec_select="null_bsf"
2545 avdevice_deps="avformat avcodec avutil"
2546 avfilter_deps="avutil"
2547 avformat_deps="avcodec avutil"
2548 avformat_suggest="network"
2549 avresample_deps="avutil"
2550 swscale_deps="avutil"
2552 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2553 avdevice_extralibs="libm_extralibs"
2554 avformat_extralibs="libm_extralibs"
2555 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2556 avresample_extralibs="libm_extralibs"
2557 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"
2558 swscale_extralibs="libm_extralibs"
2561 avconv_deps="avcodec avfilter avformat avresample swscale"
2562 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2563 fps_filter null_filter resample_filter scale_filter
2565 avconv_suggest="psapi shell32"
2566 avplay_deps="avcodec avfilter avformat avresample sdl"
2567 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2568 avplay_suggest="shell32"
2569 avprobe_deps="avcodec avformat"
2570 avprobe_suggest="shell32"
2574 texi2html_deps="doc"
2576 # default parameters
2578 logfile="avbuild/config.log"
2580 # installation paths
2581 prefix_default="/usr/local"
2582 bindir_default='${prefix}/bin'
2583 datadir_default='${prefix}/share/avconv'
2584 docdir_default='${prefix}/share/doc/libav'
2585 incdir_default='${prefix}/include'
2586 libdir_default='${prefix}/lib'
2587 mandir_default='${prefix}/share/man'
2588 shlibdir_default="$libdir_default"
2593 host_cc_default="gcc"
2594 x86asmexe_default="nasm"
2597 pkg_config_default=pkg-config
2600 version_script='--version-script'
2603 arch_default=$(uname -m)
2608 target_os_default=$(tolower $(uname -s))
2609 host_os=$target_os_default
2611 # configurable options
2612 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2617 enable faan faandct faanidct
2618 enable optimizations
2619 enable safe_bitstream_reader
2621 enable swscale_alpha
2622 enable valgrind_backtrace
2624 # By default, enable only those hwaccels that have no external dependencies.
2625 enable d3d11va dxva2 vda vdpau
2627 # internal components are enabled by default
2628 enable $EXTRALIBS_LIST
2630 # Avoid external, non-system, libraries getting enabled by dependency resolution
2631 disable $EXTERNAL_LIBRARY_LIST
2634 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2637 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2640 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2641 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2642 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2643 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2644 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2645 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2646 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2669 host_extralibs='-lm'
2670 host_cflags_filter=echo
2671 host_ldflags_filter=echo
2673 target_path='$(CURDIR)'
2675 # since the object filename is not given with the -MM flag, the compiler
2676 # is only able to print the basename, and we must add the path ourselves
2677 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2683 if test -f configure; then
2686 source_path=$(cd $(dirname "$0"); pwd)
2687 echo "$source_path" | grep -q '[[:blank:]]' &&
2688 die "Out of tree builds are impossible with whitespace in source path."
2689 test -e "$source_path/config.h" &&
2690 die "Out of tree builds are impossible with config.h in source dir."
2697 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2703 file=$source_path/$3
2704 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2707 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2708 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2709 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2710 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2711 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2712 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2713 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2714 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2715 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2717 find_things_extern(){
2720 file=$source_path/$3
2721 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2724 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2725 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2727 AVCODEC_COMPONENTS_LIST="
2735 AVDEVICE_COMPONENTS_LIST="
2740 AVFILTER_COMPONENTS_LIST="
2744 AVFORMAT_COMPONENTS_LIST="
2751 $AVCODEC_COMPONENTS_LIST
2752 $AVDEVICE_COMPONENTS_LIST
2753 $AVFILTER_COMPONENTS_LIST
2754 $AVFORMAT_COMPONENTS_LIST
2757 for n in $COMPONENT_LIST; do
2758 v=$(toupper ${n%s})_LIST
2760 eval ${n}_if_any="\$$v"
2763 enable $ARCH_EXT_LIST
2766 echo "Unknown option \"$1\"."
2767 echo "See $0 --help for available options."
2772 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2778 echo $* | sed s/$suffix//g | print_3_columns
2790 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2791 echo "prob ${prob:-0.5}"
2799 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2800 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2809 --extra-ldexeflags=*)
2810 add_ldexeflags $optval
2812 --extra-ldsoflags=*)
2813 add_ldsoflags $optval
2816 add_extralibs $optval
2819 disable $INDEV_LIST $OUTDEV_LIST
2822 debuglevel="$optval"
2825 disable $PROGRAM_LIST
2827 --disable-everything)
2828 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2831 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2832 disable $LIBRARY_LIST $PROGRAM_LIST doc
2834 --enable-random|--disable-random)
2835 action=${opt%%-random}
2836 do_random ${action#--} $COMPONENT_LIST
2838 --enable-random=*|--disable-random=*)
2839 action=${opt%%-random=*}
2840 do_random ${action#--} $optval
2842 --enable-*=*|--disable-*=*)
2843 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2844 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2845 eval list=\$$(toupper $thing)_LIST
2846 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2847 $action $(filter "$name" $list)
2849 --enable-avserver|--disable-avserver*)
2850 warn "avserver has been removed, the ${opt} option is only"\
2851 "provided for compatibility and will be removed in the future"
2853 --enable-yasm|--disable-yasm)
2854 warn "The ${opt} option is only provided for compatibility and will be\n"\
2855 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
2856 test $opt = --enable-yasm && x86asm=yes || x86asm=no
2858 --enable-?*|--disable-?*)
2859 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2860 if is_in $option $COMPONENT_LIST; then
2861 test $action = disable && action=unset
2862 eval $action \$$(toupper ${option%s})_LIST
2863 elif is_in $option $CMDLINE_SELECT; then
2870 NAME="${opt#--list-}"
2871 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2873 eval show_list $NAME \$$(toupper $NAME)_LIST
2875 --help|-h) show_help
2877 --quiet|-q) quiet=yes
2880 optname="${opt%%=*}"
2881 optname="${optname#--}"
2882 optname=$(echo "$optname" | sed 's/-/_/g')
2883 if is_in $optname $CMDLINE_SET; then
2884 eval $optname='$optval'
2885 elif is_in $optname $CMDLINE_APPEND; then
2886 append $optname "$optval"
2898 disabled logging && logfile=/dev/null
2900 # Die early if licensing-related configure options are incompatible.
2901 die_license_disabled() {
2902 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2905 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2906 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2907 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2909 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2911 enabled_all gnutls openssl &&
2912 die "GnuTLS and OpenSSL must not be enabled at the same time."
2914 # Disable all the library-specific components if the library itself
2915 # is disabled, see AVCODEC_LIST and following _LIST variables.
2917 disable_components(){
2918 disabled ${1} && disable $(
2919 eval components="\$$(toupper ${1})_COMPONENTS"
2920 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2924 map 'disable_components $v' $LIBRARY_LIST
2926 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2929 case "$toolchain" in
2931 cc_default="${toolchain%-asan}"
2932 add_cflags -fsanitize=address
2933 add_ldflags -fsanitize=address
2936 cc_default="${toolchain%-msan}"
2937 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2938 add_ldflags -fsanitize=memory
2941 cc_default="${toolchain%-tsan}"
2942 add_cflags -fsanitize=thread -fPIE
2943 add_ldflags -fsanitize=thread -pie
2944 case "$toolchain" in
2952 cc_default="${toolchain%-usan}"
2953 add_cflags -fsanitize=undefined
2954 add_ldflags -fsanitize=undefined
2955 case "$toolchain" in
2962 target_exec_default="valgrind"
2963 case "$toolchain" in
2965 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2968 target_exec_args="--track-origins=yes --leak-check=full"
2973 # Check whether the current MSVC version needs the C99 converter.
2974 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2975 # support enough of C99 to build libav. Default to the new
2976 # behaviour if the regexp was unable to match anything, since this
2977 # successfully parses the version number of existing supported
2978 # versions that require the converter (MSVC 2010 and 2012).
2979 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2980 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2983 cc_default="c99wrap cl"
2985 ld_default="$source_path/compat/windows/mslink"
2986 nm_default="dumpbin -symbols"
2993 target_os_default="win32"
2994 # Use a relative path for TMPDIR. This makes sure all the
2995 # ffconf temp files are written with a relative path, avoiding
2996 # issues with msys/win32 path conversion for MSVC parameters
2997 # such as -Fo<file> or -out:<file>.
3003 nm_default="dumpbin -symbols"
3005 target_os_default="win32"
3009 add_cflags -fprofile-arcs -ftest-coverage
3010 add_ldflags -fprofile-arcs -ftest-coverage
3013 add_cflags -fprofile-arcs -ftest-coverage
3014 add_ldflags --coverage
3017 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3018 add_cflags -fno-strict-overflow -fstack-protector-all
3019 add_ldflags -Wl,-z,relro -Wl,-z,now
3022 die "Unknown toolchain $toolchain"
3026 test -n "$cross_prefix" && enable cross_compile
3028 if enabled cross_compile; then
3029 test -n "$arch" && test -n "$target_os" ||
3030 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3033 ar_default="${cross_prefix}${ar_default}"
3034 cc_default="${cross_prefix}${cc_default}"
3035 objcc_default="${cross_prefix}${objcc_default}"
3036 x86asmexe_default="${cross_prefix}${x86asmexe_default}"
3037 nm_default="${cross_prefix}${nm_default}"
3038 pkg_config_default="${cross_prefix}${pkg_config_default}"
3039 ranlib="${cross_prefix}${ranlib}"
3040 strip="${cross_prefix}${strip}"
3042 sysinclude_default="${sysroot}/usr/include"
3044 set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
3045 enabled cross_compile || host_cc_default=$cc
3048 if ! $pkg_config --version >/dev/null 2>&1; then
3049 warn "$pkg_config not found, library detection may fail."
3055 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3059 EXESUF=$(exesuf $target_os)
3060 HOSTEXESUF=$(exesuf $host_os)
3062 # set temporary file name
3063 : ${TMPDIR:=$TEMPDIR}
3067 if ! check_cmd mktemp -u XXXXXX; then
3068 # simple replacement for missing mktemp
3069 # NOT SAFE FOR GENERAL USE
3071 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3077 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3078 die "Unable to create temporary directory in $TMPDIR."
3081 tmp="${AVTMPDIR}/test"$2
3082 (set -C; exec > $tmp) 2> /dev/null ||
3083 die "Unable to create temporary file in $AVTMPDIR."
3087 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3092 tmpfile TMPE $EXESUF
3103 # make sure we can execute files in $TMPDIR
3104 cat > $TMPSH 2>> $logfile <<EOF
3107 chmod +x $TMPSH >> $logfile 2>&1
3108 if ! $TMPSH >> $logfile 2>&1; then
3110 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3111 variable to another directory and make sure that it is not mounted noexec.
3113 die "Sanity test failed."
3119 # Filter out MSVC cl.exe options from cflags that shouldn't
3120 # be passed to gas-preprocessor
3130 -std=c99) echo -c99 ;;
3131 -mcpu=*) echo -arch ${flag#*=} ;;
3132 -mieee) echo -ieee ;;
3133 -O*|-fast) echo $flag ;;
3134 -fno-math-errno) echo -assume nomath_errno ;;
3136 -Wall) echo -msg_enable level2 ;;
3137 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3138 -Wl,*) echo $flag ;;
3148 -Wno-switch) echo -Wno-switch-enum ;;
3149 -Wno-format-zero-length) ;;
3150 -Wdisabled-optimization) ;;
3151 -Wno-pointer-sign) echo -Wno-other ;;
3157 msvc_common_flags(){
3160 # In addition to specifying certain flags under the compiler
3161 # specific filters, they must be specified here as well or else the
3162 # generic catch all at the bottom will print the original flag.
3167 -fomit-frame-pointer) ;;
3171 -fno-signed-zeros) ;;
3175 -lz) echo zlib.lib ;;
3176 -lx264) echo libx264.lib ;;
3177 -l*) echo ${flag#-l}.lib ;;
3178 -L*) echo -libpath:${flag#-L} ;;
3185 msvc_common_flags "$@"
3188 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
3190 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3191 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3192 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3193 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3199 msvc_common_flags "$@"
3202 # Despite what Intel's documentation says -Wall, which is supported
3203 # on Windows, does enable remarks so disable them here.
3204 -Wall) echo $flag -Qdiag-disable:remark ;;
3205 -std=c99) echo -Qstd=c99 ;;
3213 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3214 -fomit-frame-pointer) echo -Mnoframe ;;
3225 case "${flag#*=}" in
3226 native) echo -xtarget=native ;;
3227 v9|niagara) echo -xarch=sparc ;;
3228 ultrasparc) echo -xarch=sparcvis ;;
3229 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3230 i586|pentium) echo -xchip=pentium ;;
3231 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3232 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3233 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3234 pentium4*) echo -xtarget=pentium4 ;;
3235 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3236 *-sse3) echo -xarch=sse3 ;;
3237 core2) echo -xarch=ssse3 -xchip=core2 ;;
3238 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3239 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3240 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3241 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3242 k8|opteron|athlon64|athlon-fx)
3243 echo -xarch=sse2a ;;
3244 athlon*) echo -xarch=pentium_proa ;;
3247 -std=c99) echo -xc99 ;;
3248 -fomit-frame-pointer) echo -xregs=frameptr ;;
3249 -fPIC) echo -KPIC -xcode=pic32 ;;
3250 -W*,*) echo $flag ;;
3251 -f*-*|-W*|-mimpure-text) ;;
3262 case "${flag#*=}" in
3263 armv7-a|cortex-a*) echo -mv=7a8 ;;
3264 armv7-r|cortex-r*) echo -mv=7r4 ;;
3265 armv7-m|cortex-m*) echo -mv=7m3 ;;
3266 armv6*|arm11*) echo -mv=6 ;;
3267 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3269 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3272 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3273 -mfpu=vfp) echo --float_support=vfpv2 ;;
3274 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3275 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3276 -msoft-float) echo --float_support=vfplib ;;
3277 -O[0-3]|-mf=*) echo $flag ;;
3279 -pds=*) echo $flag ;;
3280 -D*|-I*) echo $flag ;;
3281 --gcc|--abi=*) echo $flag ;;
3291 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3292 unset _ld_o _ldflags _ld_lib _ld_path
3293 unset _depflags _DEPCMD _DEPFLAGS
3296 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3298 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3299 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3300 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3303 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3305 gcc_version=$($_cc --version | head -n1)
3306 gcc_basever=$($_cc -dumpversion)
3307 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3308 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3309 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3310 if ! $_cc -dumpversion | grep -q '^2\.'; then
3311 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3315 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3317 _ident=$($_cc --version | head -n1)
3322 elif $_cc -v 2>&1 | grep -q xlc; then
3324 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3326 _cflags_size='-O5 -qcompact'
3327 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3329 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3331 _cflags_speed='-fast'
3333 _flags_filter=ccc_flags
3334 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3335 test -d "$sysroot" || die "No valid sysroot specified."
3337 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3338 armcc_conf="$PWD/armcc.conf"
3339 $_cc --arm_linux_configure \
3340 --arm_linux_config_file="$armcc_conf" \
3341 --configure_sysroot="$sysroot" \
3342 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3343 die "Error creating armcc configuration file."
3344 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3345 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3346 as_default="${cross_prefix}gcc"
3350 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3352 _ident=$($_cc -version | head -n1 | tr -s ' ')
3353 _flags='--gcc --abi=eabi -me'
3356 _depflags='-ppa -ppd=$(@:.o=.d)'
3357 _cflags_speed='-O3 -mf=5'
3358 _cflags_size='-O3 -mf=2'
3359 _flags_filter=tms470_flags
3360 elif $_cc -v 2>&1 | grep -q clang; then
3362 _ident=$($_cc --version 2>/dev/null | head -n1)
3363 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3366 elif $_cc -V 2>&1 | grep -q Sun; then
3368 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3369 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3370 _DEPFLAGS='-xM1 -xc99'
3373 _cflags_size='-O5 -xspace'
3374 _flags_filter=suncc_flags
3375 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3377 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3378 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3381 _flags_filter='filter_out -Wdisabled-optimization'
3382 elif $_cc -v 2>&1 | grep -q Open64; then
3384 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3385 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3388 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3389 elif $_cc -V 2>&1 | grep -q Portland; then
3391 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3392 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3393 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3394 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3396 _flags_filter=pgi_flags
3397 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3399 _ident=$($_cc | head -n1)
3400 # 4509: "This form of conditional instruction is deprecated"
3401 _flags="-nologo -ignore 4509"
3402 _flags_filter=armasm_flags
3403 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3405 _ident=$($_cc 2>&1 | head -n1)
3406 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3407 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3411 if $_cc -nologo- 2>&1 | grep -q Linker; then
3418 _flags_filter=msvc_flags
3420 _ld_path='-libpath:'
3422 elif $_cc 2>&1 | grep -q Intel; then
3424 _ident=$($_cc 2>&1 | head -n1)
3425 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3426 # Not only is O3 broken on 13.x+ but it is slower on all previous
3427 # versions (tested) as well.
3429 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3430 if $_cc 2>&1 | grep -q Linker; then
3437 _flags_filter=icl_flags
3439 _ld_path='-libpath:'
3440 # -Qdiag-error to make icl error when seeing certain unknown arguments
3441 _flags='-nologo -Qdiag-error:4044,10157'
3442 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3443 # with MSVC which enables it by default.
3444 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3445 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3446 # lld can emulate multiple different linkers; in ms link.exe mode,
3447 # the -? parameter gives the help output which contains an identifyable
3448 # string, while it gives an error in other modes.
3450 # The link.exe mode doesn't have a switch for getting the version,
3451 # but we can force it back to gnu mode and get the version from there.
3452 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3454 _flags_filter=msvc_flags
3456 _ld_path='-libpath:'
3457 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3459 _ident=$($_cc --version | head -n1)
3463 _flags_filter=cparser_flags
3466 eval ${pfx}_type=\$_type
3467 eval ${pfx}_ident=\$_ident
3471 eval ${1}_C=\${_cc_c-\${${1}_C}}
3472 eval ${1}_E=\${_cc_e-\${${1}_E}}
3473 eval ${1}_O=\${_cc_o-\${${1}_O}}
3475 if [ -n "$_depflags" ]; then
3476 eval ${1}_DEPFLAGS=\$_depflags
3478 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3479 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3480 eval DEP${1}FLAGS=\$_flags
3485 cflags_filter=$_flags_filter
3486 cflags_speed=$_cflags_speed
3487 cflags_size=$_cflags_size
3488 cflags_noopt=$_cflags_noopt
3489 add_cflags $_flags $_cflags
3490 cc_ldflags=$_ldflags
3493 probe_cc hostcc "$host_cc"
3494 host_cflags_filter=$_flags_filter
3495 host_cflags_speed=$_cflags_speed
3496 add_host_cflags $_flags $_cflags
3499 test -n "$cc_type" && enable $cc_type ||
3500 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3502 : ${as_default:=$cc}
3503 : ${objcc_default:=$cc}
3504 : ${dep_cc_default:=$cc}
3505 : ${ld_default:=$cc}
3506 : ${host_ld_default:=$host_cc}
3507 set_default ar as objcc dep_cc ld host_ld
3510 asflags_filter=$_flags_filter
3511 add_asflags $_flags $_cflags
3514 probe_cc objcc "$objcc"
3515 objcflags_filter=$_flags_filter
3516 add_objcflags $_flags $_cflags
3520 ldflags_filter=$_flags_filter
3521 add_ldflags $_flags $_ldflags
3522 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3524 LD_LIB=${_ld_lib-$LD_LIB}
3525 LD_PATH=${_ld_path-$LD_PATH}
3527 probe_cc hostld "$host_ld"
3528 host_ldflags_filter=$_flags_filter
3529 add_host_ldflags $_flags $_ldflags
3530 HOSTLD_O=${_ld_o-$HOSTLD_O}
3532 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3533 probe_cc depcc "$dep_cc"
3534 CCDEP=${_DEPCMD:-$DEPCMD}
3535 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3539 if $ar 2>&1 | grep -q Microsoft; then
3542 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3545 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3546 arflags='-Xany -r -c'
3553 add_cflags $extra_cflags
3554 add_objcflags $extra_objcflags
3555 add_asflags $extra_cflags
3557 if test -n "$sysroot"; then
3560 add_cppflags --sysroot="$sysroot"
3561 add_ldflags --sysroot="$sysroot"
3564 add_cppflags -I"$sysinclude"
3565 add_ldflags --sysroot="$sysroot"
3570 if test "$cpu" = host; then
3571 enabled cross_compile &&
3572 die "--cpu=host makes no sense when cross-compiling."
3577 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3579 s/.*$1=\\([^ ]*\\).*/\\1/
3584 cpu=$(check_native -march || check_native -mcpu)
3588 test "${cpu:-host}" = host &&
3589 die "--cpu=host not supported with compiler $cc"
3592 # Deal with common $arch aliases
3616 "Power Macintosh"|ppc*|powerpc*)
3631 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3636 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3639 # Add processor-specific flags
3640 if enabled aarch64; then
3644 cpuflags="-march=$cpu"
3647 cpuflags="-mcpu=$cpu"
3651 elif enabled alpha; then
3653 cpuflags="-mcpu=$cpu"
3655 elif enabled arm; then
3658 check_cpp_condition stddef.h \
3659 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3664 if check_arm_arch 4; then echo armv4
3665 elif check_arm_arch 4T; then echo armv4t
3666 elif check_arm_arch 5; then echo armv5
3667 elif check_arm_arch 5E; then echo armv5e
3668 elif check_arm_arch 5T; then echo armv5t
3669 elif check_arm_arch 5TE; then echo armv5te
3670 elif check_arm_arch 5TEJ; then echo armv5te
3671 elif check_arm_arch 6; then echo armv6
3672 elif check_arm_arch 6J; then echo armv6j
3673 elif check_arm_arch 6K; then echo armv6k
3674 elif check_arm_arch 6Z; then echo armv6z
3675 elif check_arm_arch 6ZK; then echo armv6zk
3676 elif check_arm_arch 6T2; then echo armv6t2
3677 elif check_arm_arch 7; then echo armv7
3678 elif check_arm_arch 7A 7_A; then echo armv7-a
3679 elif check_arm_arch 7S; then echo armv7-a
3680 elif check_arm_arch 7R 7_R; then echo armv7-r
3681 elif check_arm_arch 7M 7_M; then echo armv7-m
3682 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3683 elif check_arm_arch 8A 8_A; then echo armv8-a
3687 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3691 cpuflags="-march=$cpu"
3692 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3695 cpuflags="-mcpu=$cpu"
3697 cortex-a*) subarch=armv7a ;;
3698 cortex-r*) subarch=armv7r ;;
3699 cortex-m*) enable thumb; subarch=armv7m ;;
3700 arm11*) subarch=armv6 ;;
3701 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3702 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3703 *) subarch=$(probe_arm_arch) ;;
3709 armv5t*) enable fast_clz ;;
3710 armv[6-8]*) enable fast_clz fast_unaligned ;;
3713 elif enabled avr32; then
3718 cpuflags="-mpart=$cpu"
3722 cpuflags="-march=$cpu"
3726 cpuflags="-mcpu=$cpu"
3730 cpuflags="-march=$cpu"
3734 elif enabled bfin; then
3736 cpuflags="-mcpu=$cpu"
3738 elif enabled mips; then
3740 cpuflags="-march=$cpu"
3742 elif enabled ppc; then
3746 case $(tolower $cpu) in
3747 601|ppc601|powerpc601)
3748 cpuflags="-mcpu=601"
3751 603*|ppc603*|powerpc603*)
3752 cpuflags="-mcpu=603"
3755 604*|ppc604*|powerpc604*)
3756 cpuflags="-mcpu=604"
3759 g3|75*|ppc75*|powerpc75*)
3760 cpuflags="-mcpu=750"
3763 g4|745*|ppc745*|powerpc745*)
3764 cpuflags="-mcpu=7450"
3767 74*|ppc74*|powerpc74*)
3768 cpuflags="-mcpu=7400"
3771 g5|970|ppc970|powerpc970)
3772 cpuflags="-mcpu=970"
3776 cpuflags="-mcpu=$cpu"
3780 cpuflags="-mcpu=$cpu"
3784 cpuflags="-mcpu=cell"
3789 cpuflags="-mcpu=e500mc"
3793 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3798 cpuflags="-mcpu=8540 -mhard-float"
3804 elif enabled sparc; then
3807 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3808 cpuflags="-mcpu=$cpu"
3810 ultrasparc*|niagara[234])
3811 cpuflags="-mcpu=$cpu"
3815 elif enabled x86; then
3819 cpuflags="-march=$cpu"
3823 # targets that do NOT support nopl and conditional mov (cmov)
3824 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3825 cpuflags="-march=$cpu"
3828 # targets that do support nopl and conditional mov (cmov)
3829 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3830 cpuflags="-march=$cpu"
3834 # targets that do support conditional mov but on which it's slow
3835 pentium4|pentium4m|prescott|nocona)
3836 cpuflags="-march=$cpu"
3844 if [ "$cpu" != generic ]; then
3845 add_cflags $cpuflags
3846 add_asflags $cpuflags
3847 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3850 # compiler sanity check
3852 int main(void){ return 0; }
3854 if test "$?" != 0; then
3855 echo "$cc is unable to create an executable file."
3856 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3857 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3858 echo "Only do this if you know what cross compiling means."
3860 die "C compiler test failed."
3863 add_cppflags -D_ISOC99_SOURCE
3865 # some compilers silently accept -std=c11, so we also need to check that the
3866 # version macro is defined properly
3867 check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
3868 add_cflags -std=c11 ||
3869 check_cflags -std=c99
3871 check_cppflags -D_FILE_OFFSET_BITS=64
3872 check_cppflags -D_LARGEFILE_SOURCE
3874 add_host_cppflags -D_ISOC99_SOURCE
3875 check_host_cflags -std=c99
3876 check_host_cflags -Wall
3877 check_host_cflags $host_cflags_speed
3883 check_code cc "" "int test[2*($expr) - 1]" &&
3884 subarch=$arch64 || subarch=$arch32
3892 check_64bit mips mips64 '_MIPS_SIM > 1'
3896 check_64bit parisc parisc64 'sizeof(void *) > 4'
3900 check_64bit ppc ppc64 'sizeof(void *) > 4'
3904 check_64bit s390 s390x 'sizeof(void *) > 4'
3908 check_64bit sparc sparc64 'sizeof(void *) > 4'
3912 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3913 if test "$subarch" = "x86_64"; then
3920 enabled spic && enable_weak pic
3922 enabled x86_64 && objformat=elf64 || objformat="elf32"
3928 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3929 enabled shared && add_ldflags -Wl,-brtl
3933 enable section_data_rel_ro
3934 SLIB_INSTALL_NAME='$(SLIBNAME)'
3936 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3939 prefix_default="/boot/common"
3940 network_extralibs="-lnetwork"
3944 SHFLAGS='-shared -Wl,-h,$$(@F)'
3945 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3946 network_extralibs="-lsocket -lnsl"
3947 # When using suncc to build, the Solaris linker will mark
3948 # an executable with each instruction set encountered by
3949 # the Solaris assembler. As our libraries contain their own
3950 # guards for processor-specific code, instead suppress
3951 # generation of the HWCAPS ELF section on Solaris x86 only.
3952 enabled_all suncc x86 &&
3953 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3954 add_ldflags -Wl,-M,mapfile
3955 nm_default='nm -P -g'
3957 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3961 oss_indev_extralibs="-lossaudio"
3962 oss_outdev_extralibs="-lossaudio"
3967 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3969 oss_indev_extralibs="-lossaudio"
3970 oss_outdev_extralibs="-lossaudio"
3978 add_extralibs -lpoll -lgnugetopt
3981 enabled ppc && add_asflags -force_cpusubtype_ALL
3982 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3983 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3984 add_ldflags -Wl,-dynamic,-search_paths_first
3985 check_cflags -Werror=partial-availability
3987 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3988 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3989 enabled x86_64 && objformat="macho64" || objformat="macho32"
3990 enabled_any pic shared ||
3991 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3992 check_header dispatch/dispatch.h &&
3993 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3994 if test -n "$sysroot"; then
3995 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
3996 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4000 die "Native MSYS builds are discouraged, please use the MINGW environment."
4003 if test $target_os = "mingw32ce"; then
4009 if enabled x86_64; then
4010 LIBTARGET="i386:x86-64"
4011 elif enabled arm; then
4014 check_ldflags -Wl,--nxcompat
4015 check_ldflags -Wl,--dynamicbase
4016 shlibdir_default="$bindir_default"
4019 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4020 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4021 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4022 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4024 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4025 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4026 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4027 enabled x86_64 && objformat="win64" || objformat="win32"
4028 dlltool="${cross_prefix}dlltool"
4034 if enabled shared; then
4035 # Link to the import library instead of the normal static library
4038 # Cannot build both shared and static libs with MSVC or icl.
4041 shlibdir_default="$bindir_default"
4044 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4045 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4046 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4047 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4049 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4050 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4051 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4052 enabled x86_64 && objformat="win64" || objformat="win32"
4058 shlibdir_default="$bindir_default"
4061 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4062 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4063 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4065 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
4066 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
4067 enabled x86_64 && objformat="win64" || objformat="win32"
4070 *-dos|freedos|opendos)
4071 network_extralibs="-lsocket"
4074 add_cppflags -U__STRICT_ANSI__
4078 enable section_data_rel_ro
4082 ranlib="echo ignoring ranlib"