#!/bin/sh # # Libav configure script # # Copyright (c) 2000-2002 Fabrice Bellard # Copyright (c) 2005-2008 Diego Biurrun # Copyright (c) 2005-2008 Mans Rullgard # # Prevent locale nonsense from breaking basic text processing. LC_ALL=C export LC_ALL # make sure we are running under a compatible shell # try to make this part work with most shells try_exec(){ echo "Trying shell $1" type "$1" > /dev/null 2>&1 && exec "$@" } unset foo (: ${foo%%bar}) 2> /dev/null E1="$?" (: ${foo?}) 2> /dev/null E2="$?" if test "$E1" != 0 || test "$E2" = 0; then echo "Broken shell detected. Trying alternatives." export FF_CONF_EXEC if test "0$FF_CONF_EXEC" -lt 1; then FF_CONF_EXEC=1 try_exec bash "$0" "$@" fi if test "0$FF_CONF_EXEC" -lt 2; then FF_CONF_EXEC=2 try_exec ksh "$0" "$@" fi if test "0$FF_CONF_EXEC" -lt 3; then FF_CONF_EXEC=3 try_exec /usr/xpg4/bin/sh "$0" "$@" fi echo "No compatible shell script interpreter found." echo "This configure script requires a POSIX-compatible shell" echo "such as bash or ksh." echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH." echo "Instead, install a working POSIX-compatible shell." echo "Disabling this configure test will create a broken Libav." if test "$BASH_VERSION" = '2.04.0(1)-release'; then echo "This bash version ($BASH_VERSION) is broken on your platform." echo "Upgrade to a later version if available." fi exit 1 fi test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH show_help(){ cat <<EOF Usage: configure [options] Options: [defaults in brackets after descriptions] Help options: --help print this message --list-decoders show all available decoders --list-encoders show all available encoders --list-hwaccels show all available hardware accelerators --list-demuxers show all available demuxers --list-muxers show all available muxers --list-parsers show all available parsers --list-protocols show all available protocols --list-bsfs show all available bitstream filters --list-indevs show all available input devices --list-outdevs show all available output devices --list-filters show all available filters Standard options: --logfile=FILE log tests and output to FILE [config.log] --disable-logging do not log configure debug information --prefix=PREFIX install in PREFIX [$prefix] --bindir=DIR install binaries in DIR [PREFIX/bin] --datadir=DIR install data files in DIR [PREFIX/share/avconv] --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav] --libdir=DIR install libs in DIR [PREFIX/lib] --shlibdir=DIR install shared libs in DIR [PREFIX/lib] --incdir=DIR install includes in DIR [PREFIX/include] --mandir=DIR install man page in DIR [PREFIX/share/man] --enable-rpath use rpath when linking programs [USE WITH CARE] Licensing options: --enable-gpl allow use of GPL code, the resulting libs and binaries will be under GPL [no] --enable-version3 upgrade (L)GPL to version 3 [no] --enable-nonfree allow use of nonfree code, the resulting libs and binaries will be unredistributable [no] Configuration options: --disable-static do not build static libraries [no] --enable-shared build shared libraries [no] --enable-small optimize for size instead of speed --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary) --enable-gray enable full grayscale support (slower color) --disable-swscale-alpha disable alpha channel support in swscale --disable-all disable building components, libraries and programs Program options: --disable-programs do not build command line programs --disable-avconv disable avconv build --disable-avplay disable avplay build --disable-avprobe disable avprobe build --disable-avserver deprecated, does nothing Component options: --disable-doc do not build documentation --disable-avdevice disable libavdevice build --disable-avcodec disable libavcodec build --disable-avformat disable libavformat build --disable-avutil disable libavutil build --disable-swscale disable libswscale build --disable-avfilter disable video filter support [no] --disable-avresample disable libavresample build [no] --disable-pthreads disable pthreads [auto] --disable-w32threads disable Win32 threads [auto] --disable-network disable network support [no] --disable-dct disable DCT code --disable-error-resilience disable error resilience code --disable-lsp disable LSP code --disable-lzo disable LZO decoder code --disable-mdct disable MDCT code --disable-rdft disable RDFT code --disable-fft disable FFT code --disable-faan disable floating point AAN (I)DCT code Hardware accelerators: --enable-d3d11va enable D3D11VA code --enable-dxva2 enable DXVA2 code --enable-vaapi enable VAAPI code --enable-vda enable VDA code --enable-vdpau enable VDPAU code Individual component options: --disable-everything disable all components listed below --disable-encoder=NAME disable encoder NAME --enable-encoder=NAME enable encoder NAME --disable-encoders disable all encoders --disable-decoder=NAME disable decoder NAME --enable-decoder=NAME enable decoder NAME --disable-decoders disable all decoders --disable-hwaccel=NAME disable hwaccel NAME --enable-hwaccel=NAME enable hwaccel NAME --disable-hwaccels disable all hwaccels --disable-muxer=NAME disable muxer NAME --enable-muxer=NAME enable muxer NAME --disable-muxers disable all muxers --disable-demuxer=NAME disable demuxer NAME --enable-demuxer=NAME enable demuxer NAME --disable-demuxers disable all demuxers --enable-parser=NAME enable parser NAME --disable-parser=NAME disable parser NAME --disable-parsers disable all parsers --enable-bsf=NAME enable bitstream filter NAME --disable-bsf=NAME disable bitstream filter NAME --disable-bsfs disable all bitstream filters --enable-protocol=NAME enable protocol NAME --disable-protocol=NAME disable protocol NAME --disable-protocols disable all protocols --enable-indev=NAME enable input device NAME --disable-indev=NAME disable input device NAME --disable-indevs disable input devices --enable-outdev=NAME enable output device NAME --disable-outdev=NAME disable output device NAME --disable-outdevs disable output devices --disable-devices disable all devices --enable-filter=NAME enable filter NAME --disable-filter=NAME disable filter NAME --disable-filters disable all filters External library support: --enable-avisynth enable reading of AviSynth script files [no] --enable-bzlib enable bzlib [autodetect] --enable-frei0r enable frei0r video filtering --enable-gnutls enable gnutls [no] --enable-libbs2b enable bs2b DSP library [no] --enable-libcdio enable audio CD grabbing with libcdio --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394 and libraw1394 [no] --enable-libdcadec enable DCA decoding via libdcadec [no] --enable-libfaac enable AAC encoding via libfaac [no] --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no] --enable-libfreetype enable libfreetype [no] --enable-libgsm enable GSM de/encoding via libgsm [no] --enable-libilbc enable iLBC de/encoding via libilbc [no] --enable-libmfx enable HW acceleration through libmfx --enable-libmp3lame enable MP3 encoding via libmp3lame [no] --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no] --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no] --enable-libopencv enable video filtering via libopencv [no] --enable-libopenh264 enable H.264 encoding via OpenH264 [no] --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no] --enable-libopus enable Opus de/encoding via libopus [no] --enable-libpulse enable Pulseaudio input via libpulse [no] --enable-librtmp enable RTMP[E] support via librtmp [no] --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no] --enable-libsnappy enable Snappy compression [no] --enable-libspeex enable Speex de/encoding via libspeex [no] --enable-libtheora enable Theora encoding via libtheora [no] --enable-libtwolame enable MP2 encoding via libtwolame [no] --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no] --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no] --enable-libvorbis enable Vorbis encoding via libvorbis [no] --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no] --enable-libwavpack enable wavpack encoding via libwavpack [no] --enable-libwebp enable WebP encoding via libwebp [no] --enable-libx264 enable H.264 encoding via x264 [no] --enable-libx265 enable HEVC encoding via x265 [no] --enable-libxavs enable AVS encoding via xavs [no] --enable-libxcb enable X11 grabbing using XCB [no] --enable-libxcb-shm enable X11 grabbing shm communication [auto] --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto] --enable-libxvid enable Xvid encoding via xvidcore, native MPEG-4/Xvid encoder exists [no] --enable-mmal enable decoding via MMAL [no] --enable-nvenc enable encoding via NVENC [no] --enable-openssl enable openssl [no] --enable-x11grab enable X11 grabbing (legacy) [no] --enable-zlib enable zlib [autodetect] Toolchain options: --arch=ARCH select architecture [$arch] --cpu=CPU select the minimum required CPU (affects instruction selection, may crash on older CPUs) --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix] --enable-cross-compile assume a cross-compiler is used --sysroot=PATH root of cross-build tree --sysinclude=PATH location of cross-build system headers --target-os=OS compiler targets OS [$target_os] --target-exec=CMD command to run executables on target --target-path=DIR path to view of build directory on target --target-samples=DIR path to samples directory on target --toolchain=NAME set tool defaults according to NAME --nm=NM use nm tool --ar=AR use archive tool AR [$ar_default] --as=AS use assembler AS [$as_default] --cc=CC use C compiler CC [$cc_default] --dep-cc=DEPCC use dependency generator DEPCC [$cc_default] --ld=LD use linker LD --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default] --pkg-config-flags=FLAGS pass additional flags to pkgconf [] --host-cc=HOSTCC use host C compiler HOSTCC --host-cflags=HCFLAGS use HCFLAGS when compiling for host --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host --host-ld=HOSTLD use host linker HOSTLD --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host --host-libs=HLIBS use libs HLIBS when linking for host --host-os=OS compiler host OS [$target_os] --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS] --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS] --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS] --extra-libs=ELIBS add ELIBS [$ELIBS] --extra-version=STRING version string suffix [] --optflags=OPTFLAGS override optimization-related compiler flags --build-suffix=SUFFIX library name suffix [] --enable-pic build position-independent code --enable-thumb compile for Thumb instruction set --enable-lto use link-time optimization --env="ENV=override" override the environment variables Advanced options (experts only): --malloc-prefix=PREFIX prefix malloc and related names with PREFIX --disable-symver disable symbol versioning --enable-hardcoded-tables use hardcoded tables instead of runtime generation --disable-safe-bitstream-reader disable buffer boundary checking in bitreaders (faster, but may crash) --enable-memalign-hack emulate memalign, interferes with memory debuggers --enable-sram allow use of on-chip SRAM Optimization options (experts only): --disable-asm disable all assembly optimizations --disable-altivec disable AltiVec optimizations --disable-vsx disable VSX optimizations --disable-power8 disable POWER8 optimizations --disable-amd3dnow disable 3DNow! optimizations --disable-amd3dnowext disable 3DNow! extended optimizations --disable-mmx disable MMX optimizations --disable-mmxext disable MMXEXT optimizations --disable-sse disable SSE optimizations --disable-sse2 disable SSE2 optimizations --disable-sse3 disable SSE3 optimizations --disable-ssse3 disable SSSE3 optimizations --disable-sse4 disable SSE4 optimizations --disable-sse42 disable SSE4.2 optimizations --disable-avx disable AVX optimizations --disable-xop disable XOP optimizations --disable-fma3 disable FMA3 optimizations --disable-fma4 disable FMA4 optimizations --disable-avx2 disable AVX2 optimizations --disable-armv5te disable armv5te optimizations --disable-armv6 disable armv6 optimizations --disable-armv6t2 disable armv6t2 optimizations --disable-vfp disable VFP optimizations --disable-neon disable NEON optimizations --disable-inline-asm disable use of inline assembly --disable-yasm disable use of nasm/yasm assembly Developer options (useful when working on Libav itself): --disable-debug disable debugging symbols --enable-debug=LEVEL set the debug level [$debuglevel] --disable-optimizations disable compiler optimizations --enable-extra-warnings enable more compiler warnings --samples=PATH location of test samples for FATE, if not set use \$LIBAV_SAMPLES at make invocation time. --enable-neon-clobber-test check NEON registers for clobbering (should be used only for debugging purposes) --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only; should be used only for debugging purposes) --enable-random randomly enable/disable components --disable-random --enable-random=LIST randomly enable/disable specific components or --disable-random=LIST component groups. LIST is a comma-separated list of NAME[:PROB] entries where NAME is a component (group) and PROB the probability associated with NAME (default 0.5). --random-seed=VALUE seed value for --enable/disable-random --disable-valgrind-backtrace do not print a backtrace under Valgrind (only applies to --disable-optimizations builds) NOTE: Object files are built at the place where configure is launched. EOF exit 0 } quotes='""' log(){ echo "$@" >> $logfile } log_file(){ log BEGIN $1 pr -n -t $1 >> $logfile log END $1 } echolog(){ log "$@" echo "$@" } warn(){ log "WARNING: $*" WARNINGS="${WARNINGS}WARNING: $*\n" } die(){ echolog "$@" cat <<EOF If you think configure made a mistake, make sure you are using the latest version from Git. If the latest version fails, report the problem to the libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net. EOF if disabled logging; then cat <<EOF Rerun configure with logging enabled (do not use --disable-logging), and include the log this produces with your report. EOF else cat <<EOF Include the log file "$logfile" produced by configure as this will help solving the problem. EOF fi exit 1 } # Avoid locale weirdness, besides we really just want to translate ASCII. toupper(){ echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ } tolower(){ echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz } c_escape(){ echo "$*" | sed 's/["\\]/\\\0/g' } sh_quote(){ v=$(echo "$1" | sed "s/'/'\\\\''/g") test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'" echo "$v" } cleanws(){ echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//' } filter(){ pat=$1 shift for v; do eval "case $v in $pat) echo $v ;; esac" done } filter_out(){ pat=$1 shift for v; do eval "case $v in $pat) ;; *) echo $v ;; esac" done } map(){ m=$1 shift for v; do eval $m; done } add_suffix(){ suffix=$1 shift for v; do echo ${v}${suffix}; done } set_all(){ value=$1 shift for var in $*; do eval $var=$value done } set_weak(){ value=$1 shift for var; do eval : \${$var:=$value} done } sanitize_var_name(){ echo $@ | sed 's/[^A-Za-z0-9_]/_/g' } set_safe(){ var=$1 shift eval $(sanitize_var_name "$var")='$*' } get_safe(){ eval echo \$$(sanitize_var_name "$1") } pushvar(){ for pvar in $*; do eval level=\${${pvar}_level:=0} eval ${pvar}_${level}="\$$pvar" eval ${pvar}_level=$(($level+1)) done } popvar(){ for pvar in $*; do eval level=\${${pvar}_level:-0} test $level = 0 && continue eval level=$(($level-1)) eval $pvar="\${${pvar}_${level}}" eval ${pvar}_level=$level eval unset ${pvar}_${level} done } enable(){ set_all yes $* } disable(){ set_all no $* } enable_weak(){ set_weak yes $* } disable_weak(){ set_weak no $* } enable_safe(){ for var; do enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g') done } disable_safe(){ for var; do disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g') done } do_enable_deep(){ for var; do enabled $var && continue eval sel="\$${var}_select" eval sgs="\$${var}_suggest" pushvar var sgs enable_deep $sel popvar sgs enable_deep_weak $sgs popvar var done } enable_deep(){ do_enable_deep $* enable $* } enable_deep_weak(){ for var; do disabled $var && continue pushvar var do_enable_deep $var popvar var enable_weak $var done } enabled(){ test "${1#!}" = "$1" && op== || op=!= eval test "x\$${1#!}" $op "xyes" } disabled(){ test "${1#!}" = "$1" && op== || op=!= eval test "x\$${1#!}" $op "xno" } enabled_all(){ for opt; do enabled $opt || return 1 done } disabled_all(){ for opt; do disabled $opt || return 1 done } enabled_any(){ for opt; do enabled $opt && return 0 done } disabled_any(){ for opt; do disabled $opt && return 0 done return 1 } set_default(){ for opt; do eval : \${$opt:=\$${opt}_default} done } is_in(){ value=$1 shift for var in $*; do [ $var = $value ] && return 0 done return 1 } do_check_deps(){ for cfg; do cfg="${cfg#!}" enabled ${cfg}_checking && die "Circular dependency for $cfg." disabled ${cfg}_checking && continue enable ${cfg}_checking append allopts $cfg eval dep_all="\$${cfg}_deps" eval dep_any="\$${cfg}_deps_any" eval dep_sel="\$${cfg}_select" eval dep_sgs="\$${cfg}_suggest" eval dep_ifa="\$${cfg}_if" eval dep_ifn="\$${cfg}_if_any" pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; } [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; } enabled_all $dep_all || disable $cfg enabled_any $dep_any || disable $cfg disabled_any $dep_sel && disable $cfg if enabled $cfg; then enable_deep $dep_sel enable_deep_weak $dep_sgs fi disable ${cfg}_checking done } check_deps(){ unset allopts do_check_deps "$@" for cfg in $allopts; do enabled $cfg || continue eval dep_extralibs="\$${cfg}_extralibs" test -n "$dep_extralibs" && add_extralibs $dep_extralibs done } print_config(){ pfx=$1 files=$2 shift 2 map 'eval echo "$v \${$v:-no}"' "$@" | awk "BEGIN { split(\"$files\", files) } { c = \"$pfx\" toupper(\$1); v = \$2; sub(/yes/, 1, v); sub(/no/, 0, v); for (f in files) { file = files[f]; if (file ~ /\\.h\$/) { printf(\"#define %s %d\\n\", c, v) >>file; } else if (file ~ /\\.asm\$/) { printf(\"%%define %s %d\\n\", c, v) >>file; } else if (file ~ /\\.mak\$/) { n = -v ? \"\" : \"!\"; printf(\"%s%s=yes\\n\", n, c) >>file; } } }" } print_enabled(){ suf=$1 shift for v; do enabled $v && printf "%s\n" ${v%$suf}; done } append(){ var=$1 shift eval "$var=\"\$$var $*\"" } prepend(){ var=$1 shift eval "$var=\"$* \$$var\"" } unique(){ var=$1 uniq_list="" for tok in $(eval echo \$$var); do uniq_list="$(filter_out $tok $uniq_list) $tok" done eval "$var=\"${uniq_list}\"" } add_cppflags(){ append CPPFLAGS "$@" } add_cflags(){ append CFLAGS $($cflags_filter "$@") } add_asflags(){ append ASFLAGS $($asflags_filter "$@") } add_ldflags(){ append LDFLAGS $($ldflags_filter "$@") } add_ldexeflags(){ append LDEXEFLAGS $($ldflags_filter "$@") } add_stripflags(){ append STRIPFLAGS "$@" } add_extralibs(){ prepend extralibs $($ldflags_filter "$@") } add_host_cppflags(){ append host_cppflags "$@" } add_host_cflags(){ append host_cflags $($host_cflags_filter "$@") } add_host_ldflags(){ append host_ldflags $($host_ldflags_filter "$@") } add_compat(){ append compat_objs $1 shift map 'add_cppflags -D$v' "$@" } check_cmd(){ log "$@" "$@" >> $logfile 2>&1 } cc_o(){ eval printf '%s\\n' $CC_O } cc_e(){ eval printf '%s\\n' $CC_E } check_cc(){ log check_cc "$@" cat > $TMPC log_file $TMPC check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC } check_cpp(){ log check_cpp "$@" cat > $TMPC log_file $TMPC check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC } as_o(){ eval printf '%s\\n' $AS_O } check_as(){ log check_as "$@" cat > $TMPS log_file $TMPS check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS } check_inline_asm(){ log check_inline_asm "$@" name="$1" code="$2" shift 2 disable $name check_cc "$@" <<EOF && enable $name void foo(void){ __asm__ volatile($code); } EOF } check_insn(){ log check_insn "$@" check_inline_asm ${1}_inline "\"$2\"" echo "$2" | check_as && enable ${1}_external || disable ${1}_external } check_yasm(){ log check_yasm "$@" echo "$1" > $TMPS log_file $TMPS shift 1 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS } ld_o(){ eval printf '%s\\n' $LD_O } check_ld(){ log check_ld "$@" flags=$(filter_out '-l*' "$@") libs=$(filter '-l*' "$@") check_cc $($cflags_filter $flags) || return flags=$($ldflags_filter $flags) libs=$($ldflags_filter $libs) check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs } print_include(){ hdr=$1 test "${hdr%.h}" = "${hdr}" && echo "#include $hdr" || echo "#include <$hdr>" } check_code(){ log check_code "$@" check=$1 headers=$2 code=$3 shift 3 { for hdr in $headers; do print_include $hdr done echo "int main(void) { $code; return 0; }" } | check_$check "$@" } check_cppflags(){ log check_cppflags "$@" check_cc "$@" <<EOF && append CPPFLAGS "$@" int x; EOF } test_cflags(){ log test_cflags "$@" set -- $($cflags_filter "$@") check_cc "$@" <<EOF int x; EOF } check_cflags(){ log check_cflags "$@" test_cflags "$@" && add_cflags "$@" } test_ldflags(){ log test_ldflags "$@" check_ld "$@" <<EOF int main(void){ return 0; } EOF } check_ldflags(){ log check_ldflags "$@" test_ldflags "$@" && add_ldflags "$@" } test_stripflags(){ log test_stripflags "$@" # call check_cc to get a fresh TMPO check_cc <<EOF int main(void) { return 0; } EOF check_cmd $strip $STRIPFLAGS "$@" $TMPO } check_stripflags(){ log check_stripflags "$@" test_stripflags "$@" && add_stripflags "$@" } check_header(){ log check_header "$@" header=$1 shift disable_safe $header check_cpp "$@" <<EOF && enable_safe $header #include <$header> int x; EOF } check_func(){ log check_func "$@" func=$1 shift disable $func check_ld "$@" <<EOF && enable $func extern int $func(); int main(void){ $func(); } EOF } check_mathfunc(){ log check_mathfunc "$@" func=$1 narg=$2 shift 2 test $narg = 2 && args="f, g" || args="f" disable $func check_ld "$@" <<EOF && enable $func #include <math.h> float foo(float f, float g) { return $func($args); } int main(void){ return 0; } EOF } check_func_headers(){ log check_func_headers "$@" headers=$1 funcs=$2 shift 2 { for hdr in $headers; do print_include $hdr done for func in $funcs; do echo "long check_$func(void) { return (long) $func; }" done echo "int main(void) { return 0; }" } | check_ld "$@" && enable $funcs && enable_safe $headers } check_cpp_condition(){ log check_cpp_condition "$@" header=$1 condition=$2 shift 2 check_cpp "$@" <<EOF #include <$header> #if !($condition) #error "unsatisfied condition: $condition" #endif EOF } check_lib(){ log check_lib "$@" header="$1" func="$2" shift 2 check_header $header && check_func $func "$@" && add_extralibs "$@" } check_lib2(){ log check_lib2 "$@" headers="$1" funcs="$2" shift 2 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@" } check_pkg_config(){ log check_pkg_config "$@" pkg="$1" headers="$2" funcs="$3" shift 3 check_cmd $pkg_config --exists --print-errors $pkg || return pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg) pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg) check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" && set_safe "${pkg}_cflags" $pkg_cflags && set_safe "${pkg}_libs" $pkg_libs } check_exec(){ check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; } } check_exec_crash(){ code=$(cat) # exit() is not async signal safe. _Exit (C99) and _exit (POSIX) # are safe but may not be available everywhere. Thus we use # raise(SIGTERM) instead. The check is run in a subshell so we # can redirect the "Terminated" message from the shell. SIGBUS # is not defined by standard C so it is used conditionally. (check_exec "$@") >> $logfile 2>&1 <<EOF #include <signal.h> static void sighandler(int sig){ raise(SIGTERM); } int foo(void){ $code } int (*func_ptr)(void) = foo; int main(void){ signal(SIGILL, sighandler); signal(SIGFPE, sighandler); signal(SIGSEGV, sighandler); #ifdef SIGBUS signal(SIGBUS, sighandler); #endif return func_ptr(); } EOF } check_type(){ log check_type "$@" headers=$1 type=$2 shift 2 disable_safe "$type" check_code cc "$headers" "$type v" "$@" && enable_safe "$type" } check_struct(){ log check_struct "$@" headers=$1 struct=$2 member=$3 shift 3 disable_safe "${struct}_${member}" check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" && enable_safe "${struct}_${member}" } check_builtin(){ log check_builtin "$@" name=$1 headers=$2 builtin=$3 shift 3 disable "$name" check_code ld "$headers" "$builtin" "$@" && enable "$name" } check_compile_assert(){ log check_compile_assert "$@" name=$1 headers=$2 condition=$3 shift 3 disable "$name" check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name" } require(){ name="$1" header="$2" func="$3" shift 3 check_lib $header $func "$@" || die "ERROR: $name not found" } require2(){ name="$1" headers="$2" func="$3" shift 3 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found" } require_pkg_config(){ pkg="$1" check_pkg_config "$@" || die "ERROR: $pkg not found" add_cflags $(get_safe "${pkg}_cflags") add_extralibs $(get_safe "${pkg}_libs") } hostcc_e(){ eval printf '%s\\n' $HOSTCC_E } hostcc_o(){ eval printf '%s\\n' $HOSTCC_O } check_host_cc(){ log check_host_cc "$@" cat > $TMPC log_file $TMPC check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC } check_host_cpp(){ log check_host_cpp "$@" cat > $TMPC log_file $TMPC check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC } check_host_cppflags(){ log check_host_cppflags "$@" check_host_cc "$@" <<EOF && append host_cppflags "$@" int x; EOF } check_host_cflags(){ log check_host_cflags "$@" set -- $($host_cflags_filter "$@") check_host_cc "$@" <<EOF && append host_cflags "$@" int x; EOF } check_host_cpp_condition(){ log check_host_cpp_condition "$@" header=$1 condition=$2 shift 2 check_host_cpp "$@" <<EOF #include <$header> #if !($condition) #error "unsatisfied condition: $condition" #endif EOF } apply(){ file=$1 shift "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp" } cp_if_changed(){ cmp -s "$1" "$2" && echo "$2 is unchanged" && return mkdir -p "$(dirname $2)" $cp_f "$1" "$2" } # CONFIG_LIST contains configurable options, while HAVE_LIST is for # system-dependent things. COMPONENT_LIST=" bsfs decoders demuxers encoders filters hwaccels indevs muxers outdevs parsers protocols " EXAMPLE_LIST=" avcodec_example filter_audio_example metadata_example output_example qsvdec_example transcode_aac_example " EXTERNAL_LIBRARY_LIST=" avisynth bzlib frei0r gnutls libbs2b libcdio libdc1394 libdcadec libfaac libfdk_aac libfontconfig libfreetype libgsm libilbc libmfx libmp3lame libopencore_amrnb libopencore_amrwb libopencv libopenh264 libopenjpeg libopus libpulse librtmp libschroedinger libsnappy libspeex libtheora libtwolame libvo_aacenc libvo_amrwbenc libvorbis libvpx libwavpack libwebp libx264 libx265 libxavs libxcb libxcb_shm libxcb_xfixes libxvid mmal nvenc openssl x11grab zlib " FEATURE_LIST=" gray hardcoded_tables runtime_cpudetect safe_bitstream_reader shared small sram static swscale_alpha " HWACCEL_LIST=" d3d11va dxva2 vaapi vda vdpau " LIBRARY_LIST=" avcodec avdevice avfilter avformat avresample avutil swscale " LICENSE_LIST=" gpl nonfree version3 " PROGRAM_LIST=" avconv avplay avprobe " SUBSYSTEM_LIST=" dct doc error_resilience faan fft lsp lzo mdct network rdft " CONFIG_LIST=" $COMPONENT_LIST $EXAMPLE_LIST $EXTERNAL_LIBRARY_LIST $FEATURE_LIST $HWACCEL_LIST $LICENSE_LIST $LIBRARY_LIST $PROGRAM_LIST $SUBSYSTEM_LIST memalign_hack neon_clobber_test pic pod2man texi2html thumb valgrind_backtrace xmm_clobber_test " THREADS_LIST=" pthreads w32threads " ATOMICS_LIST=" atomics_gcc atomics_suncc atomics_win32 " ARCH_LIST=" aarch64 alpha arm avr32 avr32_ap avr32_uc bfin ia64 m68k mips mips64 parisc ppc ppc64 s390 sh4 sparc sparc64 tilegx tilepro tomi x86 x86_32 x86_64 " ARCH_EXT_LIST_ARM=" armv5te armv6 armv6t2 armv8 neon vfp vfpv3 " ARCH_EXT_LIST_X86_SIMD=" amd3dnow amd3dnowext avx avx2 fma3 fma4 mmx mmxext sse sse2 sse3 sse4 sse42 ssse3 xop " ARCH_EXT_LIST_PPC=" altivec dcbzl ldbrx power8 ppc4xx vsx " ARCH_EXT_LIST_X86=" $ARCH_EXT_LIST_X86_SIMD cpunop i686 " ARCH_EXT_LIST=" $ARCH_EXT_LIST_ARM $ARCH_EXT_LIST_PPC $ARCH_EXT_LIST_X86 loongson vis " ARCH_FEATURES=" aligned_stack fast_64bit fast_clz fast_cmov local_aligned_8 local_aligned_16 simd_align_16 " BUILTIN_LIST=" atomic_cas_ptr machine_rw_barrier MemoryBarrier mm_empty rdtsc sync_val_compare_and_swap " HAVE_LIST_CMDLINE=" inline_asm symver yasm " HAVE_LIST_PUB=" bigendian fast_unaligned " HEADERS_LIST=" alsa_asoundlib_h altivec_h arpa_inet_h cdio_paranoia_h cdio_paranoia_paranoia_h dev_bktr_ioctl_bt848_h dev_bktr_ioctl_meteor_h dev_ic_bt8xx_h dev_video_bktr_ioctl_bt848_h dev_video_meteor_ioctl_meteor_h direct_h dlfcn_h d3d11_h dxva_h gsm_h io_h mach_mach_time_h machine_ioctl_bt848_h machine_ioctl_meteor_h malloc_h poll_h sndio_h soundcard_h sys_mman_h sys_param_h sys_resource_h sys_select_h sys_soundcard_h sys_time_h sys_un_h sys_videoio_h unistd_h valgrind_valgrind_h windows_h winsock2_h " INTRINSICS_LIST=" intrinsics_neon " MATH_FUNCS=" atanf atan2f cbrtf cosf exp2 exp2f expf isinf isnan ldexpf llrint llrintf log2 log2f log10f lrint lrintf powf rint round roundf sinf trunc truncf " SYSTEM_FUNCS=" aligned_malloc clock_gettime closesocket CommandLineToArgvW CoTaskMemFree CryptGenRandom dlopen fcntl flt_lim fork getaddrinfo gethrtime getopt GetProcessAffinityMask GetProcessMemoryInfo GetProcessTimes getrusage getservbyport GetSystemTimeAsFileTime gettimeofday gmtime_r inet_aton isatty jack_port_get_latency_range LoadLibrary localtime_r mach_absolute_time MapViewOfFile memalign mkstemp mmap mprotect nanosleep posix_memalign sched_getaffinity SetConsoleTextAttribute setmode setrlimit Sleep strerror_r sysconf sysctl usleep VirtualAlloc " TOOLCHAIN_FEATURES=" as_dn_directive as_func as_object_arch asm_mod_q attribute_may_alias attribute_packed ebp_available ebx_available gnu_as ibm_asm inline_asm_labels pragma_deprecated symver_asm_label symver_gnu_asm vfp_args xform_asm xmm_clobbers " TYPES_LIST=" CONDITION_VARIABLE_Ptr socklen_t struct_addrinfo struct_group_source_req struct_ip_mreq_source struct_ipv6_mreq struct_pollfd struct_rusage_ru_maxrss struct_sockaddr_in6 struct_sockaddr_sa_len struct_sockaddr_storage struct_v4l2_frmivalenum_discrete " HAVE_LIST=" $ARCH_EXT_LIST $(add_suffix _external $ARCH_EXT_LIST) $(add_suffix _inline $ARCH_EXT_LIST) $ARCH_FEATURES $ATOMICS_LIST $BUILTIN_LIST $HAVE_LIST_CMDLINE $HAVE_LIST_PUB $HEADERS_LIST $INTRINSICS_LIST $MATH_FUNCS $SYSTEM_FUNCS $THREADS_LIST $TOOLCHAIN_FEATURES $TYPES_LIST atomics_native dos_paths dxva2_lib libc_msvcrt libdc1394_1 libdc1394_2 sdl section_data_rel_ro threads vaapi_x11 vdpau_x11 xlib " # options emitted with CONFIG_ prefix but not available on the command line CONFIG_EXTRA=" aandcttables ac3dsp audio_frame_queue audiodsp blockdsp bswapdsp cabac dvprofile faandct faanidct fdctdsp flacdsp fmtconvert g722dsp gcrypt gmp golomb gplv3 h263dsp h264chroma h264dsp h264pred h264qpel hpeldsp huffman huffyuvdsp huffyuvencdsp idctdsp iirfilter imdct15 intrax8 ividsp jpegtables libx262 lgplv3 lpc me_cmp mpeg_er mpegaudio mpegaudiodsp mpegvideo mpegvideoenc mss34dsp pixblockdsp qpeldsp qsv qsvdec qsvenc rangecoder riffdec riffenc rtpdec rtpenc_chain rv34dsp sinewin snappy startcode texturedsp texturedspenc tpeldsp videodsp vp3dsp vp56dsp vp8dsp wma_freqs wmv2dsp " CMDLINE_SELECT=" $ARCH_EXT_LIST $CONFIG_LIST $HAVE_LIST_CMDLINE $THREADS_LIST asm cross_compile debug extra_warnings logging lto optimizations rpath " PATHS_LIST=" bindir datadir docdir incdir libdir mandir prefix shlibdir " CMDLINE_SET=" $PATHS_LIST ar arch as build_suffix cc cpu cross_prefix dep_cc env extra_version host_cc host_cflags host_ld host_ldflags host_libs host_os ld logfile malloc_prefix nm optflags pkg_config pkg_config_flags random_seed samples sysinclude sysroot target_exec target_os target_path target_samples toolchain " CMDLINE_APPEND=" extra_cflags host_cppflags " # code dependency declarations # architecture extensions armv5te_deps="arm" armv6_deps="arm" armv6t2_deps="arm" armv8_deps="aarch64" neon_deps_any="aarch64 arm" intrinsics_neon_deps="neon" vfp_deps_any="aarch64 arm" vfpv3_deps="vfp" map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM altivec_deps="ppc" ppc4xx_deps="ppc" vsx_deps="altivec" power8_deps="vsx" cpunop_deps="i686" x86_64_select="i686" x86_64_suggest="fast_cmov" amd3dnow_deps="mmx" amd3dnowext_deps="amd3dnow" i686_deps="x86" mmx_deps="x86" mmxext_deps="mmx" sse_deps="mmxext" sse2_deps="sse" sse3_deps="sse2" ssse3_deps="sse3" sse4_deps="ssse3" sse42_deps="sse4" avx_deps="sse42" xop_deps="avx" fma3_deps="avx" fma4_deps="avx" avx2_deps="avx" mmx_external_deps="yasm" mmx_inline_deps="inline_asm" mmx_suggest="mmx_external mmx_inline" for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do eval dep=\$${ext}_deps eval ${ext}_external_deps='"${dep}_external"' eval ${ext}_inline_deps='"${dep}_inline"' eval ${ext}_suggest='"${ext}_external ${ext}_inline"' done aligned_stack_if_any="aarch64 ppc x86" fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64" fast_clz_if_any="aarch64 alpha avr32 mips ppc x86" fast_unaligned_if_any="aarch64 ppc x86" simd_align_16_if_any="altivec neon sse" # system capabilities symver_if_any="symver_asm_label symver_gnu_asm" valgrind_backtrace_deps="!optimizations valgrind_valgrind_h" # threading support atomics_gcc_if="sync_val_compare_and_swap" atomics_suncc_if="atomic_cas_ptr machine_rw_barrier" atomics_win32_if="MemoryBarrier" atomics_native_if_any="$ATOMICS_LIST" w32threads_deps="atomics_native" threads_if_any="$THREADS_LIST" # subsystems dct_select="rdft" error_resilience_select="me_cmp" faandct_deps="faan fdctdsp" faanidct_deps="faan idctdsp" intrax8_select="error_resilience" mdct_select="fft" rdft_select="fft" me_cmp_select="fdctdsp idctdsp pixblockdsp" mpeg_er_select="error_resilience" mpegaudio_select="mpegaudiodsp" mpegaudiodsp_select="dct" mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp" mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp" nvenc_deps_any="dlopen LoadLibrary" nvenc_extralibs='$ldl' qsvdec_select="qsv" qsvenc_select="qsv" # decoders / encoders aac_decoder_select="imdct15 mdct sinewin" aac_encoder_select="audio_frame_queue iirfilter mdct sinewin" aac_latm_decoder_select="aac_decoder aac_latm_parser" ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct" ac3_encoder_select="ac3dsp audiodsp mdct me_cmp" ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp" adpcm_g722_decoder_select="g722dsp" adpcm_g722_encoder_select="g722dsp" aic_decoder_select="golomb idctdsp" alac_encoder_select="lpc" als_decoder_select="bswapdsp" amrnb_decoder_select="lsp" amrwb_decoder_select="lsp" amv_decoder_select="sp5x_decoder" ape_decoder_select="bswapdsp" asv1_decoder_select="blockdsp bswapdsp idctdsp" asv1_encoder_select="bswapdsp fdctdsp pixblockdsp" asv2_decoder_select="blockdsp bswapdsp idctdsp" asv2_encoder_select="bswapdsp fdctdsp pixblockdsp" atrac1_decoder_select="mdct sinewin" atrac3_decoder_select="mdct" atrac3p_decoder_select="mdct sinewin" bink_decoder_select="blockdsp hpeldsp" binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs" binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs" cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp" cllc_decoder_select="bswapdsp" comfortnoise_encoder_select="lpc" cook_decoder_select="audiodsp mdct sinewin" cscd_decoder_select="lzo" cscd_decoder_suggest="zlib" dca_decoder_select="fmtconvert mdct" dds_decoder_select="texturedsp" dnxhd_decoder_select="blockdsp idctdsp" dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp" dvvideo_decoder_select="dvprofile idctdsp" dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp" dxa_decoder_deps="zlib" eac3_decoder_select="ac3_decoder" eac3_encoder_select="ac3_encoder" eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo" eatgq_decoder_select="aandcttables idctdsp" eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder" exr_decoder_deps="zlib" ffv1_decoder_select="golomb rangecoder" ffv1_encoder_select="rangecoder" ffvhuff_decoder_select="huffyuv_decoder" ffvhuff_encoder_select="huffyuv_encoder" fic_decoder_select="golomb" flac_decoder_select="flacdsp golomb" flac_encoder_select="bswapdsp flacdsp golomb lpc" flashsv_decoder_deps="zlib" flashsv_encoder_deps="zlib" flashsv2_decoder_deps="zlib" flv_decoder_select="h263_decoder" flv_encoder_select="h263_encoder" fourxm_decoder_select="blockdsp bswapdsp" fraps_decoder_select="bswapdsp huffman" g2m_decoder_deps="zlib" g2m_decoder_select="blockdsp idctdsp jpegtables" h261_decoder_select="mpeg_er mpegvideo" h261_encoder_select="aandcttables mpegvideoenc" h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp" h263_encoder_select="aandcttables h263dsp mpegvideoenc" h263i_decoder_select="h263_decoder" h263p_encoder_select="h263_encoder" h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp" h264_decoder_suggest="error_resilience" h264_nvenc_encoder_deps="nvenc" h264_qsv_decoder_deps="libmfx" h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel" h264_qsv_encoder_deps="libmfx" h264_qsv_encoder_select="qsvenc" hap_decoder_select="snappy texturedsp" hap_encoder_deps="libsnappy" hap_encoder_select="texturedspenc" hevc_decoder_select="bswapdsp cabac golomb videodsp" hevc_nvenc_encoder_deps="nvenc" hevc_qsv_encoder_deps="libmfx" hevc_qsv_decoder_deps="libmfx" hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel" hevc_qsv_encoder_select="qsvenc" huffyuv_decoder_select="bswapdsp huffyuvdsp" huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp" iac_decoder_select="imc_decoder" imc_decoder_select="bswapdsp fft mdct sinewin" indeo3_decoder_select="hpeldsp" indeo4_decoder_select="ividsp" indeo5_decoder_select="ividsp" interplay_video_decoder_select="hpeldsp" jpegls_decoder_select="golomb mjpeg_decoder" jpegls_encoder_select="golomb" jv_decoder_select="blockdsp" lagarith_decoder_select="huffyuvdsp" ljpeg_encoder_select="aandcttables idctdsp jpegtables" loco_decoder_select="golomb" mdec_decoder_select="blockdsp idctdsp mpegvideo" metasound_decoder_select="lsp mdct sinewin" mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp" mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables" mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc" mjpegb_decoder_select="mjpeg_decoder" mlp_decoder_select="mlp_parser" motionpixels_decoder_select="bswapdsp" mp1_decoder_select="mpegaudio" mp1float_decoder_select="mpegaudio" mp2_decoder_select="mpegaudio" mp2float_decoder_select="mpegaudio" mp3_decoder_select="mpegaudio" mp3adu_decoder_select="mpegaudio" mp3adufloat_decoder_select="mpegaudio" mp3float_decoder_select="mpegaudio" mp3on4_decoder_select="mpegaudio" mp3on4float_decoder_select="mpegaudio" mpc7_decoder_select="bswapdsp mpegaudiodsp" mpc8_decoder_select="mpegaudiodsp" mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h" mpeg_xvmc_decoder_select="mpeg2video_decoder" mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo" mpeg1video_encoder_select="aandcttables mpegvideoenc" mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo" mpeg2video_encoder_select="aandcttables mpegvideoenc" mpeg2_qsv_decoder_deps="libmfx" mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser" mpeg2_qsv_encoder_deps="libmfx" mpeg2_qsv_encoder_select="qsvenc" mpeg4_decoder_select="h263_decoder mpeg4video_parser" mpeg4_encoder_select="h263_encoder" msa1_decoder_select="mss34dsp" msmpeg4v1_decoder_select="h263_decoder" msmpeg4v2_decoder_select="h263_decoder" msmpeg4v2_encoder_select="h263_encoder" msmpeg4v3_decoder_select="h263_decoder" msmpeg4v3_encoder_select="h263_encoder" mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder" mts2_decoder_select="mss34dsp" mxpeg_decoder_select="mjpeg_decoder" nellymoser_decoder_select="mdct sinewin" nellymoser_encoder_select="audio_frame_queue mdct sinewin" nuv_decoder_select="idctdsp lzo" on2avc_decoder_select="mdct" opus_decoder_deps="avresample" opus_decoder_select="imdct15" png_decoder_deps="zlib" png_encoder_deps="zlib" png_encoder_select="huffyuvencdsp" prores_decoder_select="idctdsp" prores_encoder_select="fdctdsp" qcelp_decoder_select="lsp" qdm2_decoder_select="mdct rdft mpegaudiodsp" ra_144_encoder_select="audio_frame_queue lpc" ralf_decoder_select="golomb" rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er" rv10_encoder_select="h263_encoder" rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er" rv20_encoder_select="h263_encoder" rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp" rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp" shorten_decoder_select="golomb" sipr_decoder_select="lsp" sp5x_decoder_select="mjpeg_decoder" svq1_decoder_select="hpeldsp" svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc" svq3_decoder_select="h264_decoder hpeldsp tpeldsp" svq3_decoder_suggest="zlib" tak_decoder_select="audiodsp" tdsc_decoder_deps="zlib" tdsc_decoder_select="mjpeg_decoder" theora_decoder_select="vp3_decoder" thp_decoder_select="mjpeg_decoder" tiff_decoder_suggest="zlib" tiff_encoder_suggest="zlib" truehd_decoder_select="mlp_decoder" truemotion2_decoder_select="bswapdsp" truespeech_decoder_select="bswapdsp" tscc_decoder_deps="zlib" txd_decoder_select="texturedsp" twinvq_decoder_select="mdct lsp sinewin" utvideo_decoder_select="bswapdsp" utvideo_encoder_select="bswapdsp huffman huffyuvencdsp" vble_decoder_select="huffyuvdsp" vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode" vc1image_decoder_select="vc1_decoder" vorbis_decoder_select="mdct" vorbis_encoder_select="mdct" vp3_decoder_select="hpeldsp vp3dsp videodsp" vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp" vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp" vp6a_decoder_select="vp6_decoder" vp6f_decoder_select="vp6_decoder" vp7_decoder_select="h264pred videodsp vp8dsp" vp8_decoder_select="h264pred videodsp vp8dsp" vp9_decoder_select="videodsp" webp_decoder_select="vp8_decoder" wmapro_decoder_select="mdct sinewin wma_freqs" wmav1_decoder_select="mdct sinewin wma_freqs" wmav1_encoder_select="mdct sinewin wma_freqs" wmav2_decoder_select="mdct sinewin wma_freqs" wmav2_encoder_select="mdct sinewin wma_freqs" wmavoice_decoder_select="lsp rdft dct mdct sinewin" wmv1_decoder_select="h263_decoder" wmv1_encoder_select="h263_encoder" wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp" wmv2_encoder_select="h263_encoder wmv2dsp" wmv3_decoder_select="vc1_decoder" wmv3image_decoder_select="wmv3_decoder" zerocodec_decoder_deps="zlib" zlib_decoder_deps="zlib" zlib_encoder_deps="zlib" zmbv_decoder_deps="zlib" zmbv_encoder_deps="zlib" # hardware accelerators d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder" dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode" vaapi_deps="va_va_h" vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads" vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore" vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h" h263_vaapi_hwaccel_deps="vaapi" h263_vaapi_hwaccel_select="h263_decoder" h263_vdpau_hwaccel_deps="vdpau" h263_vdpau_hwaccel_select="h263_decoder" h264_d3d11va_hwaccel_deps="d3d11va" h264_d3d11va_hwaccel_select="h264_decoder" h264_dxva2_hwaccel_deps="dxva2" h264_dxva2_hwaccel_select="h264_decoder" h264_mmal_decoder_deps="mmal" h264_mmal_hwaccel_deps="mmal" h264_mmal_decoder_select="h264_decoder" h264_mmal_encoder_deps="mmal" h264_qsv_hwaccel_deps="libmfx" h264_vaapi_hwaccel_deps="vaapi" h264_vaapi_hwaccel_select="h264_decoder" h264_vda_hwaccel_deps="vda" h264_vda_hwaccel_select="h264_decoder" h264_vda_old_hwaccel_deps="vda" h264_vda_old_hwaccel_select="h264_decoder" h264_vdpau_hwaccel_deps="vdpau" h264_vdpau_hwaccel_select="h264_decoder" hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC" hevc_d3d11va_hwaccel_select="hevc_decoder" hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC" hevc_dxva2_hwaccel_select="hevc_decoder" hevc_qsv_hwaccel_deps="libmfx" mpeg1_vdpau_hwaccel_deps="vdpau" mpeg1_vdpau_hwaccel_select="mpeg1video_decoder" mpeg2_d3d11va_hwaccel_deps="d3d11va" mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder" mpeg2_dxva2_hwaccel_deps="dxva2" mpeg2_dxva2_hwaccel_select="mpeg2video_decoder" mpeg2_qsv_hwaccel_deps="libmfx" mpeg2_vaapi_hwaccel_deps="vaapi" mpeg2_vaapi_hwaccel_select="mpeg2video_decoder" mpeg2_vdpau_hwaccel_deps="vdpau" mpeg2_vdpau_hwaccel_select="mpeg2video_decoder" mpeg4_vaapi_hwaccel_deps="vaapi" mpeg4_vaapi_hwaccel_select="mpeg4_decoder" mpeg4_vdpau_hwaccel_deps="vdpau" mpeg4_vdpau_hwaccel_select="mpeg4_decoder" vc1_d3d11va_hwaccel_deps="d3d11va" vc1_d3d11va_hwaccel_select="vc1_decoder" vc1_dxva2_hwaccel_deps="dxva2" vc1_dxva2_hwaccel_select="vc1_decoder" vc1_vaapi_hwaccel_deps="vaapi" vc1_vaapi_hwaccel_select="vc1_decoder" vc1_vdpau_hwaccel_deps="vdpau" vc1_vdpau_hwaccel_select="vc1_decoder" wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel" wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel" wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel" wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel" # parsers h264_parser_select="h264_decoder" hevc_parser_select="golomb" mpegvideo_parser_select="mpegvideo" mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp" vc1_parser_select="mpegvideo startcode vc1_decoder" # bitstream_filters mjpeg2jpeg_bsf_select="jpegtables" # external libraries libdcadec_decoder_deps="libdcadec" libfaac_encoder_deps="libfaac" libfaac_encoder_select="audio_frame_queue" libfdk_aac_decoder_deps="libfdk_aac" libfdk_aac_encoder_deps="libfdk_aac" libfdk_aac_encoder_select="audio_frame_queue" libgsm_decoder_deps="libgsm" libgsm_encoder_deps="libgsm" libgsm_ms_decoder_deps="libgsm" libgsm_ms_encoder_deps="libgsm" libilbc_decoder_deps="libilbc" libilbc_encoder_deps="libilbc" libmp3lame_encoder_deps="libmp3lame" libmp3lame_encoder_select="audio_frame_queue" libopencore_amrnb_decoder_deps="libopencore_amrnb" libopencore_amrnb_encoder_deps="libopencore_amrnb" libopencore_amrnb_encoder_select="audio_frame_queue" libopencore_amrwb_decoder_deps="libopencore_amrwb" libopenh264_encoder_deps="libopenh264" libopenjpeg_decoder_deps="libopenjpeg" libopenjpeg_encoder_deps="libopenjpeg" libopus_decoder_deps="libopus" libopus_encoder_deps="libopus" libopus_encoder_select="audio_frame_queue" libschroedinger_decoder_deps="libschroedinger" libschroedinger_encoder_deps="libschroedinger" libspeex_decoder_deps="libspeex" libspeex_encoder_deps="libspeex" libspeex_encoder_select="audio_frame_queue" libtheora_encoder_deps="libtheora" libtwolame_encoder_deps="libtwolame" libvo_aacenc_encoder_deps="libvo_aacenc" libvo_aacenc_encoder_select="audio_frame_queue" libvo_amrwbenc_encoder_deps="libvo_amrwbenc" libvorbis_encoder_deps="libvorbis" libvorbis_encoder_select="audio_frame_queue" libvpx_vp8_decoder_deps="libvpx" libvpx_vp8_encoder_deps="libvpx" libvpx_vp9_decoder_deps="libvpx" libvpx_vp9_encoder_deps="libvpx" libwavpack_encoder_deps="libwavpack" libwebp_encoder_deps="libwebp" libx262_encoder_deps="libx262" libx264_encoder_deps="libx264" libx265_encoder_deps="libx265" libxavs_encoder_deps="libxavs" libxvid_encoder_deps="libxvid" # demuxers / muxers ac3_demuxer_select="ac3_parser" asf_demuxer_select="riffdec" asf_muxer_select="riffenc" asf_stream_muxer_select="asf_muxer" avi_demuxer_select="riffdec" avi_muxer_select="riffenc" avisynth_demuxer_deps="avisynth" avisynth_demuxer_select="riffdec" caf_demuxer_select="riffdec" dash_muxer_select="mp4_muxer" dirac_demuxer_select="dirac_parser" dv_demuxer_select="dvprofile" dv_muxer_select="dvprofile" dxa_demuxer_select="riffdec" eac3_demuxer_select="ac3_parser" f4v_muxer_select="mov_muxer" flac_demuxer_select="flac_parser" hds_muxer_select="flv_muxer" hls_muxer_select="mpegts_muxer" ipod_muxer_select="mov_muxer" ismv_muxer_select="mov_muxer" matroska_audio_muxer_select="matroska_muxer" matroska_demuxer_select="riffdec" matroska_demuxer_suggest="bzlib lzo zlib" matroska_muxer_select="riffenc" mmf_muxer_select="riffenc" mov_demuxer_select="riffdec" mov_demuxer_suggest="zlib" mov_muxer_select="riffenc rtpenc_chain" mp3_demuxer_select="mpegaudio_parser" mp4_muxer_select="mov_muxer" mpegts_muxer_select="adts_muxer latm_muxer" mpegtsraw_demuxer_select="mpegts_demuxer" mxf_d10_muxer_select="mxf_muxer" nut_muxer_select="riffenc" nuv_demuxer_select="riffdec" oga_muxer_select="ogg_muxer" ogg_demuxer_select="golomb" opus_muxer_select="ogg_muxer" psp_muxer_select="mov_muxer" rtp_demuxer_select="sdp_demuxer" rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol" rtsp_demuxer_select="http_protocol rtpdec" rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain" sap_demuxer_select="sdp_demuxer" sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain" sdp_demuxer_select="rtpdec" smoothstreaming_muxer_select="ismv_muxer" spdif_muxer_select="aac_parser" spx_muxer_select="ogg_muxer" tak_demuxer_select="tak_parser" tg2_muxer_select="mov_muxer" tgp_muxer_select="mov_muxer" w64_demuxer_select="wav_demuxer" wav_demuxer_select="riffdec" wav_muxer_select="riffenc" webm_muxer_select="riffenc" wtv_demuxer_select="riffdec" xmv_demuxer_select="riffdec" xwma_demuxer_select="riffdec" # indevs / outdevs alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp" alsa_outdev_deps="alsa_asoundlib_h" bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h" dv1394_indev_deps="dv1394" dv1394_indev_select="dv_demuxer" fbdev_indev_deps="linux_fb_h" jack_indev_deps="jack_jack_h pthreads" libcdio_indev_deps="libcdio" libdc1394_indev_deps="libdc1394" oss_indev_deps_any="soundcard_h sys_soundcard_h" oss_outdev_deps_any="soundcard_h sys_soundcard_h" pulse_indev_deps="libpulse" sndio_indev_deps="sndio_h" sndio_outdev_deps="sndio_h" v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h" vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines" vfwcap_indev_extralibs="-lavicap32" x11grab_indev_deps="x11grab" x11grab_xcb_indev_deps="libxcb" # protocols ffrtmpcrypt_protocol_deps="!librtmp_protocol" ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl" ffrtmpcrypt_protocol_select="tcp_protocol" ffrtmphttp_protocol_deps="!librtmp_protocol" ffrtmphttp_protocol_select="http_protocol" gopher_protocol_select="network" http_protocol_select="tcp_protocol" httpproxy_protocol_select="tcp_protocol" https_protocol_select="tls_protocol" icecast_protocol_select="http_protocol" librtmp_protocol_deps="librtmp" librtmpe_protocol_deps="librtmp" librtmps_protocol_deps="librtmp" librtmpt_protocol_deps="librtmp" librtmpte_protocol_deps="librtmp" mmsh_protocol_select="http_protocol" mmst_protocol_select="network" rtmp_protocol_deps="!librtmp_protocol" rtmp_protocol_select="tcp_protocol" rtmpe_protocol_select="ffrtmpcrypt_protocol" rtmps_protocol_deps="!librtmp_protocol" rtmps_protocol_select="tls_protocol" rtmpt_protocol_select="ffrtmphttp_protocol" rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol" rtmpts_protocol_select="ffrtmphttp_protocol https_protocol" rtp_protocol_select="udp_protocol" sctp_protocol_deps="struct_sctp_event_subscribe" sctp_protocol_select="network" srtp_protocol_select="rtp_protocol" tcp_protocol_select="network" tls_gnutls_protocol_deps="gnutls" tls_gnutls_protocol_select="tcp_protocol" tls_openssl_protocol_deps="openssl !tls_gnutls_protocol" tls_openssl_protocol_select="tcp_protocol" tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol" udp_protocol_select="network" unix_protocol_deps="sys_un_h" unix_protocol_select="network" # filters blackframe_filter_deps="gpl" boxblur_filter_deps="gpl" bs2b_filter_deps="libbs2b" cropdetect_filter_deps="gpl" delogo_filter_deps="gpl" drawtext_filter_deps="libfreetype" frei0r_filter_deps="frei0r dlopen" frei0r_filter_extralibs='$ldl' frei0r_src_filter_deps="frei0r dlopen" frei0r_src_filter_extralibs='$ldl' hqdn3d_filter_deps="gpl" interlace_filter_deps="gpl" ocv_filter_deps="libopencv" resample_filter_deps="avresample" scale_filter_deps="swscale" # examples avcodec_example_deps="avcodec avutil" filter_audio_example_deps="avfilter avutil" metadata_example_deps="avformat avutil" output_example_deps="avcodec avformat avutil swscale" qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11" transcode_aac_example_deps="avcodec avformat avresample" # libraries, in linking order avcodec_deps="avutil" avdevice_deps="avformat avcodec avutil" avfilter_deps="avutil" avformat_deps="avcodec avutil" avresample_deps="avutil" swscale_deps="avutil" # programs avconv_deps="avcodec avfilter avformat avresample swscale" avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter fps_filter null_filter resample_filter scale_filter setpts_filter trim_filter" avplay_deps="avcodec avformat avresample swscale sdl" avplay_libs='$sdl_libs' avplay_select="rdft transpose_filter hflip_filter vflip_filter" avprobe_deps="avcodec avformat" # documentation pod2man_deps="doc" texi2html_deps="doc" # default parameters logfile="config.log" # installation paths prefix_default="/usr/local" bindir_default='${prefix}/bin' datadir_default='${prefix}/share/avconv' docdir_default='${prefix}/share/doc/libav' incdir_default='${prefix}/include' libdir_default='${prefix}/lib' mandir_default='${prefix}/share/man' shlibdir_default="$libdir_default" # toolchain ar_default="ar" cc_default="gcc" host_cc_default="gcc" cp_f="cp -f" ln_s="ln -s -f" nm_default="nm -g" objformat="elf" pkg_config_default=pkg-config ranlib="ranlib" strip="strip" yasmexe="yasm" # machine arch_default=$(uname -m) cpu="generic" intrinsics="none" # OS target_os_default=$(tolower $(uname -s)) host_os=$target_os_default # configurable options enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST enable asm enable debug enable doc enable faan faandct faanidct enable optimizations enable safe_bitstream_reader enable static enable swscale_alpha enable valgrind_backtrace # By default, enable only those hwaccels that have no external dependencies. enable d3d11va dxva2 vda vdpau # build settings SHFLAGS='-shared -Wl,-soname,$$(@F)' LIBPREF="lib" LIBSUF=".a" FULLNAME='$(NAME)$(BUILDSUF)' LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)' SLIBPREF="lib" SLIBSUF=".so" SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)' SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)' SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)' LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)' SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)' asflags_filter=echo cflags_filter=echo ldflags_filter=echo AS_C='-c' AS_O='-o $@' CC_C='-c' CC_E='-E -o $@' CC_O='-o $@' LD_O='-o $@' LD_LIB='-l%' LD_PATH='-L' HOSTCC_C='-c' HOSTCC_E='-E -o $@' HOSTCC_O='-o $@' HOSTLD_O='-o $@' host_libs='-lm' host_cflags_filter=echo host_ldflags_filter=echo target_path='$(CURDIR)' # since the object filename is not given with the -MM flag, the compiler # is only able to print the basename, and we must add the path ourselves DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)' DEPFLAGS='-MM' # find source path if test -f configure; then source_path=. else source_path=$(cd $(dirname "$0"); pwd) echo "$source_path" | grep -q '[[:blank:]]' && die "Out of tree builds are impossible with whitespace in source path." test -e "$source_path/config.h" && die "Out of tree builds are impossible with config.h in source dir." fi for v in "$@"; do r=${v#*=} l=${v%"$r"} r=$(sh_quote "$r") LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}" done find_things(){ thing=$1 pattern=$2 file=$source_path/$3 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file" } ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c) DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c) HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c) PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c) BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c) MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c) DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c) OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c) INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c) PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c) FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c) ALL_COMPONENTS=" $BSF_LIST $DECODER_LIST $DEMUXER_LIST $ENCODER_LIST $FILTER_LIST $HWACCEL_LIST $INDEV_LIST $MUXER_LIST $OUTDEV_LIST $PARSER_LIST $PROTOCOL_LIST " for n in $COMPONENT_LIST; do v=$(toupper ${n%s})_LIST eval enable \$$v eval ${n}_if_any="\$$v" done enable $ARCH_EXT_LIST die_unknown(){ echo "Unknown option \"$1\"." echo "See $0 --help for available options." exit 1 } print_3_columns() { cat | tr ' ' '\n' | sort | pr -r -3 -t } show_list() { suffix=_$1 shift echo $* | sed s/$suffix//g | print_3_columns exit 0 } rand_list(){ IFS=', ' set -- $* unset IFS for thing; do comp=${thing%:*} prob=${thing#$comp} prob=${prob#:} is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST echo "prob ${prob:-0.5}" printf '%s\n' $comp done } do_random(){ action=$1 shift random_seed=$(awk "BEGIN { srand($random_seed); print srand() }") $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }") } for opt do optval="${opt#*=}" case "$opt" in --extra-ldflags=*) add_ldflags $optval ;; --extra-ldexeflags=*) add_ldexeflags $optval ;; --extra-libs=*) add_extralibs $optval ;; --disable-devices) disable $INDEV_LIST $OUTDEV_LIST ;; --enable-debug=*) debuglevel="$optval" ;; --disable-programs) disable $PROGRAM_LIST ;; --disable-everything) map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST ;; --disable-all) map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST disable $LIBRARY_LIST $PROGRAM_LIST doc ;; --enable-random|--disable-random) action=${opt%%-random} do_random ${action#--} $COMPONENT_LIST ;; --enable-random=*|--disable-random=*) action=${opt%%-random=*} do_random ${action#--} $optval ;; --enable-*=*|--disable-*=*) eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/') is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt" eval list=\$$(toupper $thing)_LIST name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing} $action $(filter "$name" $list) ;; --enable-avserver|--disable-avserver*) warn "avserver has been removed, the ${opt} option is only"\ "provided for compatibility and will be removed in the future" ;; --enable-?*|--disable-?*) eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g') if is_in $option $COMPONENT_LIST; then test $action = disable && action=unset eval $action \$$(toupper ${option%s})_LIST elif is_in $option $CMDLINE_SELECT; then $action $option else die_unknown $opt fi ;; --list-*) NAME="${opt#--list-}" is_in $NAME $COMPONENT_LIST || die_unknown $opt NAME=${NAME%s} eval show_list $NAME \$$(toupper $NAME)_LIST ;; --help|-h) show_help ;; *) optname="${opt%%=*}" optname="${optname#--}" optname=$(echo "$optname" | sed 's/-/_/g') if is_in $optname $CMDLINE_SET; then eval $optname='$optval' elif is_in $optname $CMDLINE_APPEND; then append $optname "$optval" else die_unknown $opt fi ;; esac done for e in $env; do eval "export $e" done disabled logging && logfile=/dev/null echo "# $0 $LIBAV_CONFIGURATION" > $logfile set >> $logfile case "$toolchain" in clang-asan) cc_default="clang" add_cflags -fsanitize=address add_ldflags -fsanitize=address ;; clang-tsan) cc_default="clang" add_cflags -fsanitize=thread -pie add_ldflags -fsanitize=thread -pie ;; clang-usan) cc_default="clang" add_cflags -fsanitize=undefined -O1 add_ldflags -fsanitize=undefined ;; gcc-asan) cc_default="gcc" add_cflags -fsanitize=address add_ldflags -fsanitize=address ;; gcc-tsan) cc_default="gcc" add_cflags -fsanitize=thread -pie -fPIC add_ldflags -fsanitize=thread -pie -fPIC ;; gcc-usan) cc_default="gcc" add_cflags -fsanitize=undefined add_ldflags -fsanitize=undefined ;; valgrind-massif) target_exec_default="valgrind" target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz" ;; valgrind-memcheck) target_exec_default="valgrind" target_exec_args="--track-origins=yes --leak-check=full" ;; msvc) # Check whether the current MSVC version needs the C99 converter. # From MSVC 2013 (compiler major version 18) onwards, it does actually # support enough of C99 to build libav. Default to the new # behaviour if the regexp was unable to match anything, since this # successfully parses the version number of existing supported # versions that require the converter (MSVC 2010 and 2012). cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p') if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then cc_default="cl" else cc_default="c99wrap cl" fi ld_default="$source_path/compat/windows/mslink" nm_default="dumpbin -symbols" ar_default="lib" case "$arch" in arm*) as_default="armasm" ;; esac target_os_default="win32" # Use a relative path for TMPDIR. This makes sure all the # ffconf temp files are written with a relative path, avoiding # issues with msys/win32 path conversion for MSVC parameters # such as -Fo<file> or -out:<file>. TMPDIR=. ;; icl) cc_default="icl" ld_default="xilink" nm_default="dumpbin -symbols" ar_default="xilib" target_os_default="win32" TMPDIR=. ;; gcov) add_cflags -fprofile-arcs -ftest-coverage add_ldflags -fprofile-arcs -ftest-coverage ;; hardened) add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 add_cflags -fno-strict-overflow -fstack-protector-all add_ldflags -Wl,-z,relro -Wl,-z,now ;; ?*) die "Unknown toolchain $toolchain" ;; esac test -n "$cross_prefix" && enable cross_compile if enabled cross_compile; then test -n "$arch" && test -n "$target_os" || die "Must specify target arch and OS when cross-compiling" fi ar_default="${cross_prefix}${ar_default}" cc_default="${cross_prefix}${cc_default}" nm_default="${cross_prefix}${nm_default}" pkg_config_default="${cross_prefix}${pkg_config_default}" ranlib="${cross_prefix}${ranlib}" strip="${cross_prefix}${strip}" sysinclude_default="${sysroot}/usr/include" set_default arch cc pkg_config sysinclude target_exec target_os enabled cross_compile || host_cc_default=$cc set_default host_cc if ! $pkg_config --version >/dev/null 2>&1; then warn "$pkg_config not found, library detection may fail." pkg_config=false fi exesuf() { case $1 in mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;; esac } EXESUF=$(exesuf $target_os) HOSTEXESUF=$(exesuf $host_os) # set temporary file name : ${TMPDIR:=$TEMPDIR} : ${TMPDIR:=$TMP} : ${TMPDIR:=/tmp} if ! check_cmd mktemp -u XXXXXX; then # simple replacement for missing mktemp # NOT SAFE FOR GENERAL USE mktemp(){ echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$" } fi tmpfile(){ tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 && (set -C; exec > $tmp) 2>/dev/null || die "Unable to create temporary file in $TMPDIR." append TMPFILES $tmp eval $1=$tmp } trap 'rm -f -- $TMPFILES' EXIT tmpfile TMPASM .asm tmpfile TMPC .c tmpfile TMPE $EXESUF tmpfile TMPH .h tmpfile TMPO .o tmpfile TMPS .S tmpfile TMPSH .sh tmpfile TMPV .ver unset -f mktemp chmod +x $TMPE # make sure we can execute files in $TMPDIR cat > $TMPSH 2>> $logfile <<EOF #! /bin/sh EOF chmod +x $TMPSH >> $logfile 2>&1 if ! $TMPSH >> $logfile 2>&1; then cat <<EOF Unable to create and execute files in $TMPDIR. Set the TMPDIR environment variable to another directory and make sure that it is not mounted noexec. EOF die "Sanity test failed." fi armasm_flags(){ for flag; do case $flag in # Filter out MSVC cl.exe options from cflags that shouldn't # be passed to gas-preprocessor -M[TD]*) ;; *) echo $flag ;; esac done } ccc_flags(){ for flag; do case $flag in -std=c99) echo -c99 ;; -mcpu=*) echo -arch ${flag#*=} ;; -mieee) echo -ieee ;; -O*|-fast) echo $flag ;; -fno-math-errno) echo -assume nomath_errno ;; -g) echo -g3 ;; -Wall) echo -msg_enable level2 ;; -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;; -Wl,*) echo $flag ;; -f*|-W*) ;; *) echo $flag ;; esac done } cparser_flags(){ for flag; do case $flag in -Wno-switch) echo -Wno-switch-enum ;; -Wno-format-zero-length) ;; -Wdisabled-optimization) ;; -Wno-pointer-sign) echo -Wno-other ;; *) echo $flag ;; esac done } msvc_common_flags(){ for flag; do case $flag in # In addition to specifying certain flags under the compiler # specific filters, they must be specified here as well or else the # generic catch all at the bottom will print the original flag. -Wall) ;; -std=c99) ;; # Common flags -fomit-frame-pointer) ;; -g) echo -Z7 ;; -fno-math-errno) ;; -fno-common) ;; -fno-signed-zeros) ;; -fPIC) ;; -mthumb) ;; -march=*) ;; -lz) echo zlib.lib ;; -lavifil32) echo vfw32.lib ;; -lavicap32) echo vfw32.lib user32.lib ;; -l*) echo ${flag#-l}.lib ;; -L*) echo -libpath:${flag#-L} ;; *) echo $flag ;; esac done } msvc_flags(){ msvc_common_flags "$@" for flag; do case $flag in -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \ -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \ -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \ -wd4273 -wd4554 -wd4701 ;; esac done } icl_flags(){ msvc_common_flags "$@" for flag; do case $flag in # Despite what Intel's documentation says -Wall, which is supported # on Windows, does enable remarks so disable them here. -Wall) echo $flag -Qdiag-disable:remark ;; -std=c99) echo -Qstd=c99 ;; esac done } pgi_flags(){ for flag; do case $flag in -flto) echo -Mipa=fast,libopt,libinline,vestigial ;; -fomit-frame-pointer) echo -Mnoframe ;; -g) echo -gopt ;; *) echo $flag ;; esac done } suncc_flags(){ for flag; do case $flag in -march=*|-mcpu=*) case "${flag#*=}" in native) echo -xtarget=native ;; v9|niagara) echo -xarch=sparc ;; ultrasparc) echo -xarch=sparcvis ;; ultrasparc3|niagara2) echo -xarch=sparcvis2 ;; i586|pentium) echo -xchip=pentium ;; i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;; pentium3*|c3-2) echo -xtarget=pentium3 ;; pentium-m) echo -xarch=sse2 -xchip=pentium3 ;; pentium4*) echo -xtarget=pentium4 ;; prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;; *-sse3) echo -xarch=sse3 ;; core2) echo -xarch=ssse3 -xchip=core2 ;; corei7) echo -xarch=sse4_2 -xchip=nehalem ;; corei7-avx) echo -xarch=avx -xchip=sandybridge ;; amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;; athlon-4|athlon-[mx]p) echo -xarch=ssea ;; k8|opteron|athlon64|athlon-fx) echo -xarch=sse2a ;; athlon*) echo -xarch=pentium_proa ;; esac ;; -std=c99) echo -xc99 ;; -fomit-frame-pointer) echo -xregs=frameptr ;; -fPIC) echo -KPIC -xcode=pic32 ;; -W*,*) echo $flag ;; -f*-*|-W*|-mimpure-text) ;; -shared) echo -G ;; *) echo $flag ;; esac done } tms470_flags(){ for flag; do case $flag in -march=*|-mcpu=*) case "${flag#*=}" in armv7-a|cortex-a*) echo -mv=7a8 ;; armv7-r|cortex-r*) echo -mv=7r4 ;; armv7-m|cortex-m*) echo -mv=7m3 ;; armv6*|arm11*) echo -mv=6 ;; armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) echo -mv=5e ;; armv4*|arm7*|arm9[24]*) echo -mv=4 ;; esac ;; -mfpu=neon) echo --float_support=vfpv3 --neon ;; -mfpu=vfp) echo --float_support=vfpv2 ;; -mfpu=vfpv3) echo --float_support=vfpv3 ;; -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;; -msoft-float) echo --float_support=vfplib ;; -O[0-3]|-mf=*) echo $flag ;; -g) echo -g -mn ;; -pds=*) echo $flag ;; -D*|-I*) echo $flag ;; --gcc|--abi=*) echo $flag ;; -me) echo $flag ;; esac done } probe_cc(){ pfx=$1 _cc=$2 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags unset _ld_o _ldflags _ld_lib _ld_path unset _depflags _DEPCMD _DEPFLAGS _flags_filter=echo if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then _type=llvm_gcc gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)') _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver" _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O3' _cflags_size='-Os' elif $_cc -v 2>&1 | grep -qi ^gcc; then _type=gcc gcc_version=$($_cc --version | head -n1) gcc_basever=$($_cc -dumpversion) gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)') gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)") _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver") if ! $_cc -dumpversion | grep -q '^2\.'; then _depflags='-MMD -MF $(@:.o=.d) -MT $@' fi _cflags_speed='-O3' _cflags_size='-Os' elif $_cc --version 2>/dev/null | grep -q ^icc; then _type=icc _ident=$($_cc --version | head -n1) _depflags='-MMD' _cflags_speed='-O3' _cflags_size='-Os' _cflags_noopt='-O1' elif $_cc -v 2>&1 | grep -q xlc; then _type=xlc _ident=$($_cc -qversion 2>/dev/null | head -n1) _cflags_speed='-O5' _cflags_size='-O5 -qcompact' elif $_cc -V 2>/dev/null | grep -q Compaq; then _type=ccc _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3) _DEPFLAGS='-M' _cflags_speed='-fast' _cflags_size='-O1' _flags_filter=ccc_flags elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then test -d "$sysroot" || die "No valid sysroot specified." _type=armcc _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //') armcc_conf="$PWD/armcc.conf" $_cc --arm_linux_configure \ --arm_linux_config_file="$armcc_conf" \ --configure_sysroot="$sysroot" \ --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 || die "Error creating armcc configuration file." $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc _flags="--arm_linux_config_file=$armcc_conf --translate_gcc" as_default="${cross_prefix}gcc" _depflags='-MMD' _cflags_speed='-O3' _cflags_size='-Os' elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then _type=tms470 _ident=$($_cc -version | head -n1 | tr -s ' ') _flags='--gcc --abi=eabi -me' _cc_e='-ppl -fe=$@' _cc_o='-fe=$@' _depflags='-ppa -ppd=$(@:.o=.d)' _cflags_speed='-O3 -mf=5' _cflags_size='-O3 -mf=2' _flags_filter=tms470_flags elif $_cc -v 2>&1 | grep -q clang; then _type=clang _ident=$($_cc --version | head -n1) _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O3' _cflags_size='-Os' elif $_cc -V 2>&1 | grep -q Sun; then _type=suncc _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-) _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)' _DEPFLAGS='-xM1 -xc99' _ldflags='-std=c99' _cflags_speed='-O5' _cflags_size='-O5 -xspace' _flags_filter=suncc_flags elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then _type=pathscale _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O2' _cflags_size='-Os' _flags_filter='filter_out -Wdisabled-optimization' elif $_cc -v 2>&1 | grep -q Open64; then _type=open64 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O2' _cflags_size='-Os' _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros' elif $_cc -V 2>&1 | grep -q Portland; then _type=pgi _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')" opt_common='-alias=ansi -Mdse -Mlre -Mpre' _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common" _cflags_size="-O2 -Munroll=c:1 $opt_common" _cflags_noopt="-O1" _flags_filter=pgi_flags elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then _type=armasm _ident=$($_cc | head -n1) # 4509: "This form of conditional instruction is deprecated" _flags="-nologo -ignore 4509" _flags_filter=armasm_flags elif $_cc -nologo- 2>&1 | grep -q Microsoft; then _type=msvc _ident=$($_cc 2>&1 | head -n1) _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)' _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs' _cflags_speed="-O2" _cflags_size="-O1" if $_cc -nologo- 2>&1 | grep -q Linker; then _ld_o='-out:$@' else _ld_o='-Fe$@' fi _cc_o='-Fo$@' _cc_e='-P -Fi$@' _flags_filter=msvc_flags _ld_lib='lib%.a' _ld_path='-libpath:' _flags='-nologo' _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS' elif $_cc 2>&1 | grep -q Intel; then _type=icl _ident=$($_cc 2>&1 | head -n1) _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@' # Not only is O3 broken on 13.x+ but it is slower on all previous # versions (tested) as well. _cflags_speed="-O2" _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff if $_cc 2>&1 | grep -q Linker; then _ld_o='-out:$@' else _ld_o='-Fe$@' fi _cc_o='-Fo$@' _cc_e='-P' _flags_filter=icl_flags _ld_lib='lib%.a' _ld_path='-libpath:' # -Qdiag-error to make icl error when seeing certain unknown arguments _flags='-nologo -Qdiag-error:4044,10157' # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency # with MSVC which enables it by default. _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS' elif $_cc --version 2>/dev/null | grep -q ^cparser; then _type=cparser _ident=$($_cc --version | head -n1) _depflags='-MMD' _cflags_speed='-O4' _cflags_size='-O2' _flags_filter=cparser_flags fi eval ${pfx}_type=\$_type eval ${pfx}_ident=\$_ident } set_ccvars(){ eval ${1}_C=\${_cc_c-\${${1}_C}} eval ${1}_E=\${_cc_e-\${${1}_E}} eval ${1}_O=\${_cc_o-\${${1}_O}} if [ -n "$_depflags" ]; then eval ${1}_DEPFLAGS=\$_depflags else eval ${1}DEP=\${_DEPCMD:-\$DEPCMD} eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS} eval DEP${1}FLAGS=\$_flags fi } probe_cc cc "$cc" cflags_filter=$_flags_filter cflags_speed=$_cflags_speed cflags_size=$_cflags_size cflags_noopt=$_cflags_noopt add_cflags $_flags $_cflags cc_ldflags=$_ldflags set_ccvars CC probe_cc hostcc "$host_cc" host_cflags_filter=$_flags_filter add_host_cflags $_flags $_cflags set_ccvars HOSTCC test -n "$cc_type" && enable $cc_type || warn "Unknown C compiler $cc, unable to select optimal CFLAGS" : ${as_default:=$cc} : ${dep_cc_default:=$cc} : ${ld_default:=$cc} : ${host_ld_default:=$host_cc} set_default ar as dep_cc ld host_ld probe_cc as "$as" asflags_filter=$_flags_filter add_asflags $_flags $_cflags set_ccvars AS probe_cc ld "$ld" ldflags_filter=$_flags_filter add_ldflags $_flags $_ldflags test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags LD_O=${_ld_o-$LD_O} LD_LIB=${_ld_lib-$LD_LIB} LD_PATH=${_ld_path-$LD_PATH} probe_cc hostld "$host_ld" host_ldflags_filter=$_flags_filter add_host_ldflags $_flags $_ldflags HOSTLD_O=${_ld_o-$HOSTLD_O} if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then probe_cc depcc "$dep_cc" CCDEP=${_DEPCMD:-$DEPCMD} CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS} DEPCCFLAGS=$_flags fi if $ar 2>&1 | grep -q Microsoft; then arflags="-nologo" ar_o='-out:$@' elif $ar 2>&1 | grep -q 'Texas Instruments'; then arflags="rq" ar_o='$@' elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then arflags='-Xany -r -c' ar_o='$@' else arflags="rc" ar_o='$@' fi add_cflags $extra_cflags add_asflags $extra_cflags if test -n "$sysroot"; then case "$cc_type" in gcc|llvm_gcc|clang) add_cppflags --sysroot="$sysroot" add_ldflags --sysroot="$sysroot" ;; tms470) add_cppflags -I"$sysinclude" add_ldflags --sysroot="$sysroot" ;; esac fi if test "$cpu" = host; then enabled cross_compile && die "--cpu=host makes no sense when cross-compiling." case "$cc_type" in gcc|llvm_gcc) check_native(){ $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return sed -n "/cc1.*$1=/{ s/.*$1=\\([^ ]*\\).*/\\1/ p q }" $TMPE } cpu=$(check_native -march || check_native -mcpu) ;; esac test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc" fi # Deal with common $arch aliases case "$arch" in aarch64|arm64) arch="aarch64" ;; arm*) arch="arm" ;; mips*|IP*) arch="mips" ;; parisc*|hppa*) arch="parisc" ;; "Power Macintosh"|ppc*|powerpc*) arch="ppc" ;; s390|s390x) arch="s390" ;; sh4|sh) arch="sh4" ;; sun4u|sparc*) arch="sparc" ;; tilegx|tile-gx) arch="tilegx" ;; i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64) arch="x86" ;; esac is_in $arch $ARCH_LIST || warn "unknown architecture $arch" enable $arch # Add processor-specific flags if enabled aarch64; then case $cpu in armv*) cpuflags="-march=$cpu" ;; *) cpuflags="-mcpu=$cpu" ;; esac elif enabled alpha; then cpuflags="-mcpu=$cpu" elif enabled arm; then check_arm_arch() { check_cpp_condition stddef.h \ "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \ $cpuflags } probe_arm_arch() { if check_arm_arch 4; then echo armv4; elif check_arm_arch 4T; then echo armv4t; elif check_arm_arch 5; then echo armv5; elif check_arm_arch 5E; then echo armv5e; elif check_arm_arch 5T; then echo armv5t; elif check_arm_arch 5TE; then echo armv5te; elif check_arm_arch 5TEJ; then echo armv5te; elif check_arm_arch 6; then echo armv6; elif check_arm_arch 6J; then echo armv6j; elif check_arm_arch 6K; then echo armv6k; elif check_arm_arch 6Z; then echo armv6z; elif check_arm_arch 6ZK; then echo armv6zk; elif check_arm_arch 6T2; then echo armv6t2; elif check_arm_arch 7; then echo armv7; elif check_arm_arch 7A 7_A; then echo armv7-a; elif check_arm_arch 7S; then echo armv7-a; elif check_arm_arch 7R 7_R; then echo armv7-r; elif check_arm_arch 7M 7_M; then echo armv7-m; elif check_arm_arch 7EM 7E_M; then echo armv7-m; elif check_arm_arch 8A 8_A; then echo armv8-a; fi } [ "$cpu" = generic ] && cpu=$(probe_arm_arch) case $cpu in armv*) cpuflags="-march=$cpu" subarch=$(echo $cpu | sed 's/[^a-z0-9]//g') ;; *) cpuflags="-mcpu=$cpu" case $cpu in cortex-a*) subarch=armv7a ;; cortex-r*) subarch=armv7r ;; cortex-m*) enable thumb; subarch=armv7m ;; arm11*) subarch=armv6 ;; arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;; armv4*|arm7*|arm9[24]*) subarch=armv4 ;; *) subarch=$(probe_arm_arch) ;; esac ;; esac case "$subarch" in armv5t*) enable fast_clz ;; armv[6-8]*) enable fast_clz fast_unaligned ;; esac elif enabled avr32; then case $cpu in ap7[02]0[0-2]) subarch="avr32_ap" cpuflags="-mpart=$cpu" ;; ap) subarch="avr32_ap" cpuflags="-march=$cpu" ;; uc3[ab]*) subarch="avr32_uc" cpuflags="-mcpu=$cpu" ;; uc) subarch="avr32_uc" cpuflags="-march=$cpu" ;; esac elif enabled bfin; then cpuflags="-mcpu=$cpu" elif enabled mips; then cpuflags="-march=$cpu" elif enabled ppc; then disable ldbrx case $(tolower $cpu) in 601|ppc601|powerpc601) cpuflags="-mcpu=601" disable altivec ;; 603*|ppc603*|powerpc603*) cpuflags="-mcpu=603" disable altivec ;; 604*|ppc604*|powerpc604*) cpuflags="-mcpu=604" disable altivec ;; g3|75*|ppc75*|powerpc75*) cpuflags="-mcpu=750" disable altivec ;; g4|745*|ppc745*|powerpc745*) cpuflags="-mcpu=7450" disable vsx ;; 74*|ppc74*|powerpc74*) cpuflags="-mcpu=7400" disable vsx ;; g5|970|ppc970|powerpc970) cpuflags="-mcpu=970" disable vsx ;; power[3-6]*) cpuflags="-mcpu=$cpu" disable vsx ;; power[7-8]*) cpuflags="-mcpu=$cpu" enable ldbrx ;; cell) cpuflags="-mcpu=cell" enable ldbrx disable vsx ;; e500mc) cpuflags="-mcpu=e500mc" disable altivec ;; e500v2) cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double" disable altivec disable dcbzl ;; e500) cpuflags="-mcpu=8540 -mhard-float" disable altivec disable dcbzl ;; esac elif enabled sparc; then case $cpu in cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789]) cpuflags="-mcpu=$cpu" ;; ultrasparc*|niagara[234]) cpuflags="-mcpu=$cpu" ;; esac elif enabled x86; then case $cpu in i[345]86|pentium) cpuflags="-march=$cpu" disable i686 disable mmx ;; # targets that do NOT support nopl and conditional mov (cmov) pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3) cpuflags="-march=$cpu" disable i686 ;; # targets that do support nopl and conditional mov (cmov) i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*) cpuflags="-march=$cpu" enable i686 enable fast_cmov ;; # targets that do support conditional mov but on which it's slow pentium4|pentium4m|prescott|nocona) cpuflags="-march=$cpu" enable i686 disable fast_cmov ;; esac fi if [ "$cpu" != generic ]; then add_cflags $cpuflags add_asflags $cpuflags fi # compiler sanity check check_exec <<EOF int main(void){ return 0; } EOF if test "$?" != 0; then echo "$cc is unable to create an executable file." if test -z "$cross_prefix" && ! enabled cross_compile ; then echo "If $cc is a cross-compiler, use the --enable-cross-compile option." echo "Only do this if you know what cross compiling means." fi die "C compiler test failed." fi add_cppflags -D_ISOC99_SOURCE check_cflags -std=c99 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64 #include <stdlib.h> EOF check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE #include <stdlib.h> EOF add_host_cppflags -D_ISOC99_SOURCE check_host_cflags -std=c99 check_host_cflags -Wall check_host_cflags -O3 check_64bit(){ arch32=$1 arch64=$2 expr=$3 check_code cc "" "int test[2*($expr) - 1]" && subarch=$arch64 || subarch=$arch32 } case "$arch" in aarch64|alpha|ia64) spic=$shared ;; mips) check_64bit mips mips64 '_MIPS_SIM > 1' spic=$shared ;; parisc) check_64bit parisc parisc64 'sizeof(void *) > 4' spic=$shared ;; ppc) check_64bit ppc ppc64 'sizeof(void *) > 4' spic=$shared ;; s390) check_64bit s390 s390x 'sizeof(void *) > 4' spic=$shared ;; sparc) check_64bit sparc sparc64 'sizeof(void *) > 4' spic=$shared ;; x86) check_64bit x86_32 x86_64 'sizeof(void *) > 4' if test "$subarch" = "x86_64"; then spic=$shared fi ;; esac enable $subarch enabled spic && enable_weak pic # OS specific case $target_os in aix) SHFLAGS=-shared add_cppflags '-I\$(SRC_PATH)/compat/aix' enabled shared && add_ldflags -Wl,-brtl ;; android) disable symver enable section_data_rel_ro SLIB_INSTALL_NAME='$(SLIBNAME)' SLIB_INSTALL_LINKS= # soname not set on purpose SHFLAGS=-shared ;; haiku) prefix_default="/boot/common" network_extralibs="-lnetwork" host_libs= ;; sunos) SHFLAGS='-shared -Wl,-h,$$(@F)' enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS" network_extralibs="-lsocket -lnsl" # When using suncc to build, the Solaris linker will mark # an executable with each instruction set encountered by # the Solaris assembler. As our libraries contain their own # guards for processor-specific code, instead suppress # generation of the HWCAPS ELF section on Solaris x86 only. enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile nm_default='nm -P -g' ;; netbsd) disable symver oss_indev_extralibs="-lossaudio" oss_outdev_extralibs="-lossaudio" ;; openbsd|bitrig) disable symver SHFLAGS='-shared' SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)' SLIB_INSTALL_LINKS= oss_indev_extralibs="-lossaudio" oss_outdev_extralibs="-lossaudio" ;; dragonfly) disable symver ;; freebsd) ;; bsd/os) add_extralibs -lpoll -lgnugetopt ;; darwin) enabled ppc && add_asflags -force_cpusubtype_ALL SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)' enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress add_ldflags -Wl,-dynamic,-search_paths_first SLIBSUF=".dylib" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)' objformat="macho" enabled x86_64 && objformat="macho64" enabled_any pic shared || { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; } ;; mingw32*) if test $target_os = "mingw32ce"; then disable network else target_os=mingw32 fi LIBTARGET=i386 if enabled x86_64; then LIBTARGET="i386:x86-64" elif enabled arm; then LIBTARGET=arm-wince fi check_ldflags -Wl,--nxcompat check_ldflags -Wl,--dynamicbase shlibdir_default="$bindir_default" SLIBPREF="" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS= SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base' objformat="win32" dlltool="${cross_prefix}dlltool" ranlib=: enable dos_paths ;; win32|win64) disable symver if enabled shared; then # Link to the import library instead of the normal static library # for shared libs. LD_LIB='%.lib' # Cannot build both shared and static libs with MSVC or icl. disable static fi shlibdir_default="$bindir_default" SLIBPREF="" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS= SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)' objformat="win32" ranlib=: enable dos_paths ;; cygwin*) target_os=cygwin shlibdir_default="$bindir_default" SLIBPREF="cyg" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS= SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a' SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a' objformat="win32" enable dos_paths ;; *-dos|freedos|opendos) network_extralibs="-lsocket" objformat="coff" enable dos_paths add_cppflags -U__STRICT_ANSI__ ;; linux) enable dv1394 enable section_data_rel_ro ;; irix*) target_os=irix ranlib="echo ignoring ranlib" ;; os/2*) ln_s="cp -f" objformat="aout" add_cppflags -D_GNU_SOURCE add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf' LIBSUF="_s.a" SLIBPREF="" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)' SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \ echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \ echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \ echo EXPORTS >> $(SUBDIR)$(NAME).def; \ emxexp $(OBJS) >> $(SUBDIR)$(NAME).def' SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \ emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;' SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib' enable dos_paths ;; gnu/kfreebsd) add_cppflags -D_BSD_SOURCE ;; gnu) ;; qnx) add_cppflags -D_QNX_SOURCE network_extralibs="-lsocket" ;; symbian) SLIBSUF=".dll" enable dos_paths add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS add_ldflags -Wl,--target1-abs,--no-undefined \ -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \ -Wl,--entry=_E32Startup -Wl,-u,_E32Startup add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \ -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \ -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib ;; osf1) add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT ;; minix) ;; plan9) add_cppflags -D_C99_SNPRINTF_EXTENSION \ -D_REENTRANT_SOURCE \ -D_RESEARCH_SOURCE \ -DFD_SETSIZE=96 \ -DHAVE_SOCK_OPTS add_compat strtod.o strtod=avpriv_strtod network_extralibs='-lbsd' exeobjs=compat/plan9/main.o cp_f='cp' ;; none) ;; *) die "Unknown OS '$target_os'." ;; esac # determine libc flavour probe_libc(){ pfx=$1 pfx_no_=${pfx%_} # uclibc defines __GLIBC__, so it needs to be checked before glibc. if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then eval ${pfx}libc_type=uclibc add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then eval ${pfx}libc_type=glibc add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 # MinGW headers can be installed on Cygwin, so check for newlib first. elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then eval ${pfx}libc_type=newlib add_${pfx}cppflags -U__STRICT_ANSI__ # MinGW64 is backwards compatible with MinGW32, so check for it first. elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then eval ${pfx}libc_type=mingw64 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 eval test \$${pfx_no_}cc_type = "gcc" && add_${pfx}cppflags -D__printf__=__gnu_printf__ elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" || check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then eval ${pfx}libc_type=mingw32 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \ (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" || die "ERROR: MinGW32 runtime version must be >= 3.15." add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 eval test \$${pfx_no_}cc_type = "gcc" && add_${pfx}cppflags -D__printf__=__gnu_printf__ elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then eval ${pfx}libc_type=msvcrt if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then if [ "$pfx" = host_ ]; then add_host_cppflags -Dsnprintf=_snprintf else add_compat strtod.o strtod=avpriv_strtod add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \ _snprintf=avpriv_snprintf \ vsnprintf=avpriv_vsnprintf fi fi # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to # 0x601 by default unless something else is set by the user. # This can easily lead to us detecting functions only present # in such new versions and producing binaries requiring windows 7.0. # Therefore explicitly set the default to XP unless the user has # set something else on the command line. check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_${pfx}cppflags -D_WIN32_WINNT=0x0502 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then eval ${pfx}libc_type=klibc elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then eval ${pfx}libc_type=bionic elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then eval ${pfx}libc_type=solaris add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 else eval ${pfx}libc_type=default add_${pfx}cppflags -D_DEFAULT_SOURCE fi } probe_libc test -n "$libc_type" && enable libc_$libc_type probe_libc host_ test -n "$host_libc_type" && enable host_libc_$host_libc_type case $libc_type in bionic) add_compat strtod.o strtod=avpriv_strtod ;; esac # hacks for compiler/libc/os combinations if enabled_all tms470 libc_glibc; then CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}" add_cppflags -D__USER_LABEL_PREFIX__= add_cppflags -D__builtin_memset=memset add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED add_cflags -pds=48 # incompatible redefinition of macro fi if enabled_all ccc libc_glibc; then add_ldflags -Wl,-z,now # calls to libots crash without this fi check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" || add_cppflags '-I\$(SRC_PATH)/compat/float' esc(){ echo "$*" | sed 's/%/%25/g;s/:/%3a/g' } echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic set_default $PATHS_LIST set_default nm # we need to build at least one lib type if ! enabled_any static shared; then cat <<EOF At least one library type must be built. Specify --enable-static to build the static libraries or --enable-shared to build the shared libraries as well. To only build the shared libraries specify --disable-static in addition to --enable-shared. EOF exit 1; fi die_license_disabled() { enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; } } die_license_disabled gpl libcdio die_license_disabled gpl libx264 die_license_disabled gpl libx265 die_license_disabled gpl libxavs die_license_disabled gpl libxvid die_license_disabled gpl x11grab die_license_disabled nonfree libfaac die_license_disabled nonfree libfdk_aac die_license_disabled nonfree nvenc die_license_disabled nonfree openssl die_license_disabled version3 libopencore_amrnb die_license_disabled version3 libopencore_amrwb die_license_disabled version3 libvo_aacenc die_license_disabled version3 libvo_amrwbenc enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; } disabled optimizations || check_cflags -fomit-frame-pointer enable_weak_pic() { disabled pic && return enable pic add_cppflags -DPIC case "$target_os" in mingw*|cygwin*) ;; *) add_cflags -fPIC ;; esac add_asflags -fPIC } enabled pic && enable_weak_pic check_cc <<EOF || die "Symbol mangling check failed." int ff_extern; EOF sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }') extern_prefix=${sym%%ff_extern*} check_cc <<EOF && enable_weak inline_asm void foo(void) { __asm__ volatile ("" ::); } EOF _restrict= for restrict_keyword in restrict __restrict__ __restrict; do check_cc <<EOF && _restrict=$restrict_keyword && break void foo(char * $restrict_keyword p); EOF done check_cc <<EOF && enable pragma_deprecated void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") } EOF check_cc <<EOF && enable attribute_packed struct { int x; } __attribute__((packed)) x; EOF check_cc <<EOF && enable attribute_may_alias union { int x; } __attribute__((may_alias)) x; EOF check_cc <<EOF || die "endian test failed" unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E'; EOF od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian check_gas() { log "check_gas using '$as' as AS" # :vararg is used on aarch64, arm and ppc altivec check_as <<EOF || return 1 .macro m n, y:vararg=0 \n: .int \y .endm m x EOF # .altmacro is only used in arm asm ! enabled arm || check_as <<EOF || return 1 .altmacro EOF enable gnu_as return 0 } if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then nogas=: enabled_any arm aarch64 && nogas=die enabled_all ppc altivec && nogas=warn as_noop=-v case $as_type in arm*) gaspp_as_type=armasm; as_noop=-h ;; gcc) gaspp_as_type=gas ;; *) gaspp_as_type=$as_type ;; esac [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type" check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop && gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as" if ! check_gas ; then as=${gas:=$as} check_gas || \ $nogas "GNU assembler not found, install/update gas-preprocessor" fi check_as <<EOF && enable as_func .func test .endfunc EOF fi check_inline_asm inline_asm_labels '"1:\n"' if enabled aarch64; then enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]' # internal assembler in clang 3.3 does not support this instruction enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1' enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2' map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM elif enabled alpha; then check_cflags -mieee elif enabled arm; then enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb enabled thumb && check_cflags -mthumb || check_cflags -marm if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then enable vfp_args elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then enable vfp_args elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then case "${cross_prefix:-$cc}" in *hardfloat*) enable vfp_args; fpabi=vfp ;; *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;; __asm__ (".eabi_attribute 28, 1"); int main(void) { return 0; } EOF esac warn "Compiler does not indicate floating-point ABI, guessing $fpabi." fi enabled armv5te && check_insn armv5te 'qadd r0, r0, r0' enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0' enabled armv6t2 && check_insn armv6t2 'movt r0, #0' enabled neon && check_insn neon 'vadd.i16 q0, q0, q0' enabled vfp && check_insn vfp 'fadds s0, s0, s0' enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0' [ $target_os = linux ] || [ $target_os = android ] || map 'enabled_any ${v}_external ${v}_inline || disable $v' \ $ARCH_EXT_LIST_ARM check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)' check_as <<EOF && enable as_dn_directive ra .dn d0.i16 .unreq ra EOF # llvm's integrated assembler supports .object_arch from llvm 3.5 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch .object_arch armv4 EOF [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic elif enabled mips; then check_inline_asm loongson '"dmult.g $1, $2, $3"' elif enabled parisc; then if enabled gcc; then case $($cc -dumpversion) in 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;; esac fi elif enabled ppc; then enable local_aligned_8 local_aligned_16 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)' check_inline_asm ibm_asm '"add 0, 0, 0"' check_inline_asm ppc4xx '"maclhw r10, r11, r12"' check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)' # AltiVec flags: The FSF version of GCC differs from the Apple version if enabled altivec; then check_cflags -maltivec -mabi=altivec && { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } || check_cflags -faltivec # check if our compiler supports Motorola AltiVec C API check_cc <<EOF || disable altivec $inc_altivec_h int main(void) { vector signed int v1 = (vector signed int) { 0 }; vector signed int v2 = (vector signed int) { 1 }; v1 = vec_add(v1, v2); return 0; } EOF enabled altivec || warn "Altivec disabled, possibly missing --cpu flag" fi if enabled vsx; then check_cflags -mvsx && check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx fi if enabled power8; then check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8 fi elif enabled x86; then check_builtin rdtsc intrin.h "__rdtsc()" check_builtin mm_empty mmintrin.h "_mm_empty()" enable local_aligned_8 local_aligned_16 # check whether EBP is available on x86 # As 'i' is stored on the stack, this program will crash # if the base pointer is used to access it because the # base pointer is cleared in the inline assembly code. check_exec_crash <<EOF && enable ebp_available volatile int i=0; __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp"); return i; EOF # check whether EBX is available on x86 check_inline_asm ebx_available '""::"b"(0)' && check_inline_asm ebx_available '"":::"%ebx"' # check whether xmm clobbers are supported check_inline_asm xmm_clobbers '"":::"%xmm0"' # check whether binutils is new enough to compile SSSE3/MMXEXT enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"' enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"' if ! disabled_any asm mmx yasm; then if check_cmd $yasmexe --version; then enabled x86_64 && yasm_extra="-m amd64" yasm_debug="-g dwarf2" elif check_cmd nasm -v; then yasmexe=nasm yasm_debug="-g -F dwarf" enabled x86_64 && test "$objformat" = elf && objformat=elf64 fi YASMFLAGS="-f $objformat $yasm_extra" enabled pic && append YASMFLAGS "-DPIC" test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX" case "$objformat" in elf*) enabled debug && append YASMFLAGS $yasm_debug ;; esac check_yasm "movbe ecx, [5]" && enable yasm || die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build." check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external check_yasm "CPU amdnop" || disable cpunop fi case "$cpu" in athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode) disable fast_clz ;; esac fi check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon check_ldflags -Wl,--as-needed if check_func dlopen; then ldl= elif check_func dlopen -ldl; then ldl=-ldl fi if ! disabled network; then check_func getaddrinfo $network_extralibs check_func getservbyport $network_extralibs check_func inet_aton $network_extralibs check_type netdb.h "struct addrinfo" check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE check_type poll.h "struct pollfd" check_type netinet/sctp.h "struct sctp_event_subscribe" check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len check_type netinet/in.h "struct sockaddr_in6" check_type "sys/types.h sys/socket.h" "struct sockaddr_storage" check_type "sys/types.h sys/socket.h" socklen_t # Prefer arpa/inet.h over winsock2 if check_header arpa/inet.h ; then check_func closesocket elif check_header winsock2.h ; then check_func_headers winsock2.h closesocket -lws2 && network_extralibs="-lws2" || { check_func_headers winsock2.h closesocket -lws2_32 && network_extralibs="-lws2_32"; } || disable winsock2_h network check_func_headers ws2tcpip.h getaddrinfo $network_extralibs check_type ws2tcpip.h socklen_t check_type ws2tcpip.h "struct addrinfo" check_type ws2tcpip.h "struct group_source_req" check_type ws2tcpip.h "struct ip_mreq_source" check_type ws2tcpip.h "struct ipv6_mreq" check_type winsock2.h "struct pollfd" check_struct winsock2.h "struct sockaddr" sa_len check_type ws2tcpip.h "struct sockaddr_in6" check_type ws2tcpip.h "struct sockaddr_storage" else disable network fi fi check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)" check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()" check_builtin MemoryBarrier windows.h "MemoryBarrier()" check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)" check_func_headers malloc.h _aligned_malloc && enable aligned_malloc check_func ${malloc_prefix}memalign && enable memalign check_func ${malloc_prefix}posix_memalign && enable posix_memalign check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" && check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; } check_func fcntl check_func fork check_func gethrtime check_func getopt check_func getrusage check_func gettimeofday check_func gmtime_r check_func isatty check_func localtime_r check_func mach_absolute_time check_func mkstemp check_func mmap check_func mprotect # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; } check_func sched_getaffinity check_func setrlimit check_func strerror_r check_func sysconf check_func sysctl check_func usleep check_func_headers io.h setmode check_func_headers stdlib.h getenv check_func_headers windows.h CoTaskMemFree -lole32 check_func_headers windows.h GetProcessAffinityMask check_func_headers windows.h GetProcessTimes check_func_headers windows.h GetSystemTimeAsFileTime check_func_headers windows.h LoadLibrary check_func_headers windows.h MapViewOfFile check_func_headers windows.h SetConsoleTextAttribute check_func_headers windows.h Sleep check_func_headers windows.h VirtualAlloc check_struct windows.h "CONDITION_VARIABLE" Ptr check_header direct.h check_header dlfcn.h check_header d3d11.h check_header dxva.h check_header dxva2api.h check_header io.h check_header mach/mach_time.h check_header malloc.h check_header poll.h check_header sys/mman.h check_header sys/param.h check_header sys/resource.h check_header sys/select.h check_header sys/time.h check_header sys/un.h check_header unistd.h check_header valgrind/valgrind.h check_header vdpau/vdpau.h check_header vdpau/vdpau_x11.h check_header VideoDecodeAcceleration/VDADecoder.h check_header windows.h check_header X11/extensions/XvMClib.h check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0 check_type "windows.h d3d11.h" "ID3D11VideoDecoder" check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600 if ! disabled w32threads && ! enabled pthreads; then check_func_headers "windows.h process.h" _beginthreadex && enable w32threads || disable w32threads fi # check for some common methods of building with pthread support # do this before the optional library checks as some of them require pthreads if ! disabled pthreads && ! enabled w32threads; then enable pthreads if check_func pthread_join -pthread; then add_cflags -pthread add_extralibs -pthread elif check_func pthread_join -pthreads; then add_cflags -pthreads add_extralibs -pthreads elif check_func pthread_join -lpthreadGC2; then add_extralibs -lpthreadGC2 elif check_lib pthread.h pthread_join -lpthread; then : elif ! check_func pthread_join; then disable pthreads fi fi disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib check_lib math.h sin -lm && LIBM="-lm" enabled vaapi && require vaapi va/va.h vaInitialize -lva atan2f_args=2 ldexpf_args=2 powf_args=2 for func in $MATH_FUNCS; do eval check_mathfunc $func \${${func}_args:-1} done # these are off by default, so fail if requested and not available enabled avisynth && { check_lib2 "avisynth/avisynth_c.h windows.h" LoadLibrary || check_lib2 "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl || die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; } enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; } enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac enabled libfdk_aac && require_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do check_lib "${gsm_hdr}" gsm_create -lgsm && break; done || die "ERROR: libgsm not found"; } enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion enabled libopenjpeg && { { check_header openjpeg.h && check_lib2 openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC; } || { require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; } } enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg enabled libvpx && require_pkg_config "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version && { enabled libvpx_vp8_decoder && { check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx || disable libvpx_vp8_decoder; } enabled libvpx_vp8_encoder && { check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx || disable libvpx_vp8_encoder; } enabled libvpx_vp9_decoder && { check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx || disable libvpx_vp9_decoder; } enabled libvpx_vp9_encoder && { check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx || disable libvpx_vp9_encoder; } if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then die "libvpx enabled but no supported decoders found" fi } enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion enabled libx264 && require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode && { check_cpp_condition x264.h "X264_BUILD >= 118" || die "ERROR: libx264 version must be >= 0.118."; } && { check_cpp_condition x264.h "X264_MPEG2" && enable libx262; } enabled libx265 && require_pkg_config x265 x265.h x265_api_get && { check_cpp_condition x265.h "X265_BUILD >= 57" || die "ERROR: libx265 version must be >= 57."; } enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host || { ! enabled cross_compile && { add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ; add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ; check_lib interface/mmal/mmal.h mmal_port_connect ; } check_lib interface/mmal/mmal.h mmal_port_connect ; } || die "ERROR: mmal not found"; } enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto || check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 || check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 || die "ERROR: openssl not found"; } if enabled gnutls; then { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } || { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; } fi # libdc1394 check if enabled libdc1394; then { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new && enable libdc1394_2; } || { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 && enable libdc1394_1; } || die "ERROR: No version of libdc1394 found " fi if enabled nvenc; then check_header cuda.h || die "ERROR: cuda.h not found."; check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" || die "ERROR: NVENC API version 4 or older is not supported"; fi if check_pkg_config sdl SDL_events.h SDL_PollEvent; then check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags && check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags && enable sdl fi pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html check_header linux/fb.h check_header linux/videodev2.h check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete check_header sys/videoio.h check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs" # check that WM_CAP_DRIVER_CONNECT is defined to the proper value # w32api 3.12 had it defined wrong check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines # check for ioctl_meteor.h, ioctl_bt848.h and alternatives { check_header dev/bktr/ioctl_meteor.h && check_header dev/bktr/ioctl_bt848.h; } || { check_header machine/ioctl_meteor.h && check_header machine/ioctl_bt848.h; } || { check_header dev/video/meteor/ioctl_meteor.h && check_header dev/video/bktr/ioctl_bt848.h; } || check_header dev/ic/bt8xx.h check_header sndio.h check_header sys/soundcard.h check_header soundcard.h enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func jack_port_get_latency_range -ljack enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio if enabled libcdio; then check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || die "ERROR: No usable libcdio/cdparanoia found" fi check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib if enabled libxcb || enabled x11grab && ! disabled libxcb; then check_pkg_config xcb-shape xcb/shape.h xcb_shape_rectangles || { enabled libxcb && die "ERROR: libxcb not found"; } && disable x11grab && enable libxcb disabled libxcb_shm || check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || { enabled libxcb_shm && die "ERROR: libxcb_shm not found"; } && check_header sys/shm.h && enable libxcb_shm disabled libxcb_xfixes || check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || { enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found"; } && enable libxcb_xfixes add_cflags "$xcb_event_cflags $xcb_shm_cflags $xcb_xfixes_cflags" add_extralibs "$xcb_event_libs $xcb_shm_libs $xcb_xfixes_libs" fi if enabled x11grab; then enabled xlib || die "ERROR: Xlib not found" require Xext X11/extensions/XShm.h XShmCreateImage -lXext require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes fi enabled vaapi && enabled xlib && check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 && enable vaapi_x11 enabled vdpau && check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" || disable vdpau enabled vdpau && enabled xlib && check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau && prepend avconv_libs $($ldflags_filter "-lvdpau") && enable vdpau_x11 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel" # add some useful compiler flags if supported check_cflags -Wdeclaration-after-statement check_cflags -Wall check_cflags -Wdisabled-optimization check_cflags -Wpointer-arith check_cflags -Wredundant-decls check_cflags -Wcast-qual check_cflags -Wwrite-strings check_cflags -Wtype-limits check_cflags -Wundef check_cflags -Wmissing-prototypes check_cflags -Wstrict-prototypes enabled extra_warnings && check_cflags -Winline check_disable_warning(){ warning_flag=-W${1#-Wno-} test_cflags $warning_flag && add_cflags $1 } check_disable_warning -Wno-parentheses check_disable_warning -Wno-switch check_disable_warning -Wno-format-zero-length check_disable_warning -Wno-pointer-sign # add some linker flags check_ldflags -Wl,--warn-common check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample enabled rpath && add_ldexeflags -Wl,-rpath,$libdir test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic # add some strip flags # -wN '..@*' is more selective than -x, but not available everywhere. check_stripflags -wN \'..@*\' || check_stripflags -x || strip='true' enabled neon_clobber_test && check_ldflags -Wl,--wrap,avcodec_open2 \ -Wl,--wrap,avcodec_decode_audio4 \ -Wl,--wrap,avcodec_decode_video2 \ -Wl,--wrap,avcodec_decode_subtitle2 \ -Wl,--wrap,avcodec_encode_audio2 \ -Wl,--wrap,avcodec_encode_video2 \ -Wl,--wrap,avcodec_encode_subtitle \ -Wl,--wrap,avresample_convert || disable neon_clobber_test enabled xmm_clobber_test && check_ldflags -Wl,--wrap,avcodec_open2 \ -Wl,--wrap,avcodec_decode_audio4 \ -Wl,--wrap,avcodec_decode_video2 \ -Wl,--wrap,avcodec_decode_subtitle2 \ -Wl,--wrap,avcodec_encode_audio2 \ -Wl,--wrap,avcodec_encode_video2 \ -Wl,--wrap,avcodec_encode_subtitle \ -Wl,--wrap,avresample_convert \ -Wl,--wrap,sws_scale || disable xmm_clobber_test echo "X{};" > $TMPV if test_ldflags -Wl,--version-script,$TMPV; then append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver' check_cc <<EOF && enable symver_asm_label void ff_foo(void) __asm__ ("av_foo@VERSION"); void ff_foo(void) { ${inline_asm+__asm__($quotes);} } EOF check_cc <<EOF && enable symver_gnu_asm __asm__(".symver ff_foo,av_foo@VERSION"); void ff_foo(void) {} EOF fi if [ -z "$optflags" ]; then if enabled small; then optflags=$cflags_size elif enabled optimizations; then optflags=$cflags_speed else optflags=$cflags_noopt fi fi check_optflags(){ check_cflags "$@" enabled lto && check_ldflags "$@" } if enabled lto; then test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker" check_cflags -flto check_ldflags -flto $cpuflags fi check_optflags $optflags check_optflags -fno-math-errno check_optflags -fno-signed-zeros if enabled icc; then # Just warnings, no remarks check_cflags -w1 # -wd: Disable following warnings # 144, 167, 556: -Wno-pointer-sign # 1292: attribute "foo" ignored # 1419: external declaration in primary source file # 10006: ignoring unknown option -fno-signed-zeros # 10148: ignoring unknown option -Wno-parentheses # 10156: ignoring option '-W'; no argument required check_cflags -wd144,167,556,1292,1419,10006,10148,10156 # 11030: Warning unknown option --as-needed # 10156: ignoring option '-export'; no argument required check_ldflags -wd10156,11030 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test enable ebp_available if enabled x86_32; then icc_version=$($cc -dumpversion) test ${icc_version%%.*} -ge 11 && check_cflags -falign-stack=maintain-16-byte || disable aligned_stack fi elif enabled ccc; then # disable some annoying warnings add_cflags -msg_disable bitnotint add_cflags -msg_disable mixfuncvoid add_cflags -msg_disable nonstandcast add_cflags -msg_disable unsupieee elif enabled gcc; then check_optflags -fno-tree-vectorize check_cflags -Werror=implicit-function-declaration check_cflags -Werror=missing-prototypes check_cflags -Werror=return-type check_cflags -Werror=declaration-after-statement check_cflags -Werror=vla check_cflags -Werror=format-security check_cflags -fdiagnostics-color=auto enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized elif enabled llvm_gcc; then check_cflags -mllvm -stack-alignment=16 elif enabled clang; then check_cflags -mllvm -stack-alignment=16 check_cflags -Qunused-arguments check_cflags -Werror=implicit-function-declaration check_cflags -Werror=missing-prototypes check_cflags -Werror=return-type elif enabled cparser; then add_cflags -Wno-missing-variable-declarations add_cflags -Wno-empty-statement elif enabled armcc; then add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir # 2523: use of inline assembly is deprecated add_cflags -W${armcc_opt},--diag_suppress=2523 add_cflags -W${armcc_opt},--diag_suppress=1207 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign elif enabled tms470; then add_cflags -pds=824 -pds=837 disable inline_asm elif enabled pathscale; then add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF elif enabled_any msvc icl; then enabled x86_32 && disable aligned_stack enabled_all x86_32 debug && add_cflags -Oy- enabled debug && add_ldflags -debug enable pragma_deprecated if enabled icl; then # -Qansi-alias is basically -fstrict-aliasing, but does not work # (correctly) on icl 13.x. check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" && add_cflags -Qansi-alias # icl will pass the inline asm tests but inline asm is currently # not supported (build will fail) disable inline_asm fi # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2. check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2 # The CRT headers contain __declspec(restrict) in a few places, but if redefining # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict) # (as it ends up if the restrict redefine is done before including stdlib.h), while # MSVC 2013 and newer can handle it fine. # If this declspec fails, force including stdlib.h before the restrict redefinition # happens in config.h. if [ $_restrict != restrict ]; then check_cc <<EOF || add_cflags -FIstdlib.h __declspec($_restrict) void* foo(int); EOF fi check_func strtoll || add_cflags -Dstrtoll=_strtoi64 fi for pfx in "" host_; do varname=${pfx%_}cc_type eval "type=\$$varname" if [ $type = "msvc" ]; then check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline static inline int foo(int a) { return a; } EOF fi done case $as_type in clang) add_asflags -Qunused-arguments ;; esac case $ld_type in clang) check_ldflags -Qunused-arguments ;; esac case $target_os in osf1) enabled ccc && add_ldflags '-Wl,-expect_unresolved,*' ;; plan9) add_cppflags -Dmain=plan9_main ;; esac enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; } check_deps $CONFIG_LIST \ $CONFIG_EXTRA \ $HAVE_LIST \ $ALL_COMPONENTS \ enabled_all dxva2 CoTaskMemFree && prepend avconv_libs $($ldflags_filter "-lole32") && enable dxva2_lib ! enabled_any memalign posix_memalign aligned_malloc && enabled simd_align_16 && enable memalign_hack map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST for thread in $THREADS_LIST; do if enabled $thread; then test -n "$thread_type" && die "ERROR: Only one thread type must be selected." || thread_type="$thread" fi done enabled zlib && add_cppflags -DZLIB_CONST # conditional library dependencies, in linking order enabled movie_filter && prepend avfilter_deps "avformat avcodec" enabled resample_filter && prepend avfilter_deps "avresample" enabled scale_filter && prepend avfilter_deps "swscale" enabled opus_decoder && prepend avcodec_deps "avresample" expand_deps(){ lib_deps=${1}_deps eval "deps=\$$lib_deps" append $lib_deps $(map 'eval echo \$${v}_deps' $deps) unique $lib_deps } map 'expand_deps $v' $LIBRARY_LIST echo "install prefix $prefix" echo "source path $source_path" echo "C compiler $cc" echo "C library $libc_type" if test "$host_cc" != "$cc"; then echo "host C compiler $host_cc" echo "host C library $host_libc_type" fi echo "ARCH $arch ($cpu)" if test "$build_suffix" != ""; then echo "build suffix $build_suffix" fi if test "$extra_version" != ""; then echo "version string suffix $extra_version" fi echo "big-endian ${bigendian-no}" echo "runtime cpu detection ${runtime_cpudetect-no}" if enabled x86; then echo "${yasmexe} ${yasm-no}" echo "MMX enabled ${mmx-no}" echo "MMXEXT enabled ${mmxext-no}" echo "3DNow! enabled ${amd3dnow-no}" echo "3DNow! extended enabled ${amd3dnowext-no}" echo "SSE enabled ${sse-no}" echo "SSSE3 enabled ${ssse3-no}" echo "AVX enabled ${avx-no}" echo "XOP enabled ${xop-no}" echo "FMA3 enabled ${fma3-no}" echo "FMA4 enabled ${fma4-no}" echo "i686 features enabled ${i686-no}" echo "CMOV is fast ${fast_cmov-no}" echo "EBX available ${ebx_available-no}" echo "EBP available ${ebp_available-no}" fi if enabled aarch64; then echo "NEON enabled ${neon-no}" echo "VFP enabled ${vfp-no}" fi if enabled arm; then echo "ARMv5TE enabled ${armv5te-no}" echo "ARMv6 enabled ${armv6-no}" echo "ARMv6T2 enabled ${armv6t2-no}" echo "VFP enabled ${vfp-no}" echo "NEON enabled ${neon-no}" fi if enabled ppc; then echo "AltiVec enabled ${altivec-no}" echo "VSX enabled ${vsx-no}" echo "POWER8 enabled ${power8-no}" echo "PPC 4xx optimizations ${ppc4xx-no}" echo "dcbzl available ${dcbzl-no}" fi echo "debug symbols ${debug-no}" echo "optimize for size ${small-no}" echo "optimizations ${optimizations-no}" echo "static ${static-no}" echo "shared ${shared-no}" echo "new filter support ${avfilter-no}" echo "network support ${network-no}" echo "threading support ${thread_type-no}" echo "safe bitstream reader ${safe_bitstream_reader-no}" echo "SDL support ${sdl-no}" test -n "$random_seed" && echo "random seed ${random_seed}" echo echo "External libraries:" print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns echo for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do echo "Enabled ${type}s:" eval list=\$$(toupper $type)_LIST print_enabled '_*' $list | print_3_columns echo done license="LGPL version 2.1 or later" if enabled nonfree; then license="nonfree and unredistributable" elif enabled gplv3; then license="GPL version 3 or later" elif enabled lgplv3; then license="LGPL version 3 or later" elif enabled gpl; then license="GPL version 2 or later" fi echo "License: $license" echo "Creating config.mak and config.h..." test -e Makefile || echo "include $source_path/Makefile" > Makefile config_files="$TMPH config.mak" cat > config.mak <<EOF # Automatically generated by configure - do not modify! LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION prefix=$prefix LIBDIR=\$(DESTDIR)$libdir SHLIBDIR=\$(DESTDIR)$shlibdir INCDIR=\$(DESTDIR)$incdir BINDIR=\$(DESTDIR)$bindir DATADIR=\$(DESTDIR)$datadir DOCDIR=\$(DESTDIR)$docdir MANDIR=\$(DESTDIR)$mandir SRC_PATH=$source_path CC_IDENT=$cc_ident ARCH=$arch INTRINSICS=$intrinsics CC=$cc AS=$as LD=$ld DEPCC=$dep_cc DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS) DEPAS=$as DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS) YASM=$yasmexe DEPYASM=$yasmexe AR=$ar ARFLAGS=$arflags AR_O=$ar_o RANLIB=$ranlib STRIP=$strip LN_S=$ln_s CPPFLAGS=$CPPFLAGS CFLAGS=$CFLAGS ASFLAGS=$ASFLAGS AS_C=$AS_C AS_O=$AS_O CC_C=$CC_C CC_E=$CC_E CC_O=$CC_O LD_O=$LD_O LD_LIB=$LD_LIB LD_PATH=$LD_PATH DLLTOOL=$dlltool LDFLAGS=$LDFLAGS LDEXEFLAGS=$LDEXEFLAGS SHFLAGS=$(echo $($ldflags_filter $SHFLAGS)) STRIPFLAGS=$STRIPFLAGS YASMFLAGS=$YASMFLAGS BUILDSUF=$build_suffix FULLNAME=$FULLNAME LIBPREF=$LIBPREF LIBSUF=$LIBSUF LIBNAME=$LIBNAME SLIBPREF=$SLIBPREF SLIBSUF=$SLIBSUF EXESUF=$EXESUF EXTRA_VERSION=$extra_version CCDEP=$CCDEP CCDEP_FLAGS=$CCDEP_FLAGS ASDEP=$ASDEP ASDEP_FLAGS=$ASDEP_FLAGS CC_DEPFLAGS=$CC_DEPFLAGS AS_DEPFLAGS=$AS_DEPFLAGS HOSTCC=$host_cc HOSTLD=$host_ld HOSTCFLAGS=$host_cflags HOSTCPPFLAGS=$host_cppflags HOSTEXESUF=$HOSTEXESUF HOSTLDFLAGS=$host_ldflags HOSTLIBS=$host_libs DEPHOSTCC=$host_cc DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS) HOSTCCDEP=$HOSTCCDEP HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS HOSTCC_C=$HOSTCC_C HOSTCC_O=$HOSTCC_O HOSTLD_O=$HOSTLD_O TARGET_EXEC=$target_exec $target_exec_args TARGET_PATH=$target_path TARGET_SAMPLES=${target_samples:-\$(SAMPLES)} CFLAGS-avplay=$sdl_cflags ZLIB=$($ldflags_filter -lz) LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD EXTRALIBS=$extralibs COMPAT_OBJS=$compat_objs EXEOBJS=$exeobjs INSTALL=install LIBTARGET=${LIBTARGET} SLIBNAME=${SLIBNAME} SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION} SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR} SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD} SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD} SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME} SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS} SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB} SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB} SAMPLES:=${samples:-\$(LIBAV_SAMPLES)} EOF get_version(){ lcname=lib${1} name=$(toupper $lcname) file=$source_path/$lcname/version.h eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file") eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak } map 'get_version $v' $LIBRARY_LIST map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST print_program_libs(){ eval "program_libs=\$${1}_libs" eval echo "LIBS-${1}=${program_libs}" >> config.mak } map 'print_program_libs $v' $PROGRAM_LIST cat > $TMPH <<EOF /* Automatically generated by configure - do not modify! */ #ifndef LIBAV_CONFIG_H #define LIBAV_CONFIG_H #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)" #define LIBAV_LICENSE "$(c_escape $license)" #define AVCONV_DATADIR "$(eval c_escape $datadir)" #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})" #define restrict $_restrict #define EXTERN_PREFIX "${extern_prefix}" #define EXTERN_ASM ${extern_prefix} #define SLIBSUF "$SLIBSUF" EOF test -n "$malloc_prefix" && echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH if enabled yasm; then append config_files $TMPASM printf '' >$TMPASM fi enabled getenv || echo "#define getenv(x) NULL" >> $TMPH print_config ARCH_ "$config_files" $ARCH_LIST print_config HAVE_ "$config_files" $HAVE_LIST print_config CONFIG_ "$config_files" $CONFIG_LIST \ $CONFIG_EXTRA \ $ALL_COMPONENTS \ echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH # Do not overwrite an unchanged config.h to avoid superfluous rebuilds. cp_if_changed $TMPH config.h touch .config enabled yasm && cp_if_changed $TMPASM config.asm cat > $TMPH <<EOF /* Generated by ffconf */ #ifndef AVUTIL_AVCONFIG_H #define AVUTIL_AVCONFIG_H EOF print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH cp_if_changed $TMPH libavutil/avconfig.h test -n "$WARNINGS" && printf "\n$WARNINGS" # build pkg-config files lib_version(){ eval printf "\"lib${1} >= \$LIB$(toupper ${1})_VERSION, \"" } pkgconfig_generate(){ name=$1 shortname=${name#lib}${build_suffix} comment=$2 version=$3 libs=$4 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps)) requires=${requires%, } enabled ${name#lib} || return 0 mkdir -p $name cat <<EOF > $name/$name.pc prefix=$prefix exec_prefix=\${prefix} libdir=$libdir includedir=$incdir Name: $name Description: $comment Version: $version Requires: $(enabled shared || echo $requires) Requires.private: $(enabled shared && echo $requires) Conflicts: Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs) Libs.private: $(enabled shared && echo $libs) Cflags: -I\${includedir} EOF cat <<EOF > $name/$name-uninstalled.pc prefix= exec_prefix= libdir=\${pcfiledir} includedir=${source_path} Name: $name Description: $comment Version: $version Requires: $requires Conflicts: Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs Cflags: -I\${includedir} EOF } pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM" pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM" pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"