From 68569dee1416593955c1570d638b3d9250b33012 Mon Sep 17 00:00:00 2001 From: trav90 Date: Mon, 15 Oct 2018 21:45:30 -0500 Subject: Import aom library This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36. --- third_party/aom/build/make/configure.sh | 1556 +++++++++++++++++++++++++++++++ 1 file changed, 1556 insertions(+) create mode 100644 third_party/aom/build/make/configure.sh (limited to 'third_party/aom/build/make/configure.sh') diff --git a/third_party/aom/build/make/configure.sh b/third_party/aom/build/make/configure.sh new file mode 100644 index 000000000..4ece17aee --- /dev/null +++ b/third_party/aom/build/make/configure.sh @@ -0,0 +1,1556 @@ +#!/bin/sh +## +## configure.sh +## +## This script is sourced by the main configure script and contains +## utility functions and other common bits that aren't strictly libaom +## related. +## +## This build system is based in part on the FFmpeg configure script. +## + + +# +# Logging / Output Functions +# +die_unknown(){ + echo "Unknown option \"$1\"." + echo "See $0 --help for available options." + clean_temp_files + exit 1 +} + +die() { + echo "$@" + echo + echo "Configuration failed. This could reflect a misconfiguration of your" + echo "toolchains, improper options selected, or another problem. If you" + echo "don't see any useful error messages above, the next step is to look" + echo "at the configure error log file ($logfile) to determine what" + echo "configure was trying to do when it died." + clean_temp_files + exit 1 +} + +log(){ + echo "$@" >>$logfile +} + +log_file(){ + log BEGIN $1 + cat -n $1 >>$logfile + log END $1 +} + +log_echo() { + echo "$@" + log "$@" +} + +fwrite () { + outfile=$1 + shift + echo "$@" >> ${outfile} +} + +show_help_pre(){ + for opt in ${CMDLINE_SELECT}; do + opt2=`echo $opt | sed -e 's;_;-;g'` + if enabled $opt; then + eval "toggle_${opt}=\"--disable-${opt2}\"" + else + eval "toggle_${opt}=\"--enable-${opt2} \"" + fi + done + + cat <>${logfile} 2>&1 +} + +check_cc() { + log check_cc "$@" + cat >${TMP_C} + log_file ${TMP_C} + check_cmd ${CC} ${CFLAGS} "$@" -c -o ${TMP_O} ${TMP_C} +} + +check_cxx() { + log check_cxx "$@" + cat >${TMP_CC} + log_file ${TMP_CC} + check_cmd ${CXX} ${CXXFLAGS} "$@" -c -o ${TMP_O} ${TMP_CC} +} + +check_cpp() { + log check_cpp "$@" + cat > ${TMP_C} + log_file ${TMP_C} + check_cmd ${CC} ${CFLAGS} "$@" -E -o ${TMP_O} ${TMP_C} +} + +check_ld() { + log check_ld "$@" + check_cc $@ \ + && check_cmd ${LD} ${LDFLAGS} "$@" -o ${TMP_X} ${TMP_O} ${extralibs} +} + +check_header(){ + log check_header "$@" + header=$1 + shift + var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'` + disable_feature $var + check_cpp "$@" <${TMP_ASM} <${TMP_X} + log_file ${TMP_X} + if ! grep -q '\.rodata .* 16$' ${TMP_X}; then + die "${AS} ${ASFLAGS} does not support section alignment (nasm <=2.08?)" + fi +} + +# tests for -m$1 toggling the feature given in $2. If $2 is empty $1 is used. +check_gcc_machine_option() { + opt="$1" + feature="$2" + [ -n "$feature" ] || feature="$opt" + + if enabled gcc && ! disabled "$feature" && ! check_cflags "-m$opt"; then + RTCD_OPTIONS="${RTCD_OPTIONS}--disable-$feature " + else + soft_enable "$feature" + fi +} + +write_common_config_banner() { + print_webm_license config.mk "##" "" + echo '# This file automatically generated by configure. Do not edit!' >> config.mk + echo "TOOLCHAIN := ${toolchain}" >> config.mk + + case ${toolchain} in + *-linux-rvct) + echo "ALT_LIBC := ${alt_libc}" >> config.mk + ;; + esac +} + +write_common_config_targets() { + for t in ${all_targets}; do + if enabled ${t}; then + if enabled child; then + fwrite config.mk "ALL_TARGETS += ${t}-${toolchain}" + else + fwrite config.mk "ALL_TARGETS += ${t}" + fi + fi + true; + done + true +} + +write_common_target_config_mk() { + saved_CC="${CC}" + saved_CXX="${CXX}" + enabled ccache && CC="ccache ${CC}" + enabled ccache && CXX="ccache ${CXX}" + print_webm_license $1 "##" "" + + cat >> $1 << EOF +# This file automatically generated by configure. Do not edit! +SRC_PATH="$source_path" +SRC_PATH_BARE=$source_path +BUILD_PFX=${BUILD_PFX} +TOOLCHAIN=${toolchain} +ASM_CONVERSION=${asm_conversion_cmd:-${source_path}/build/make/ads2gas.pl} +GEN_VCPROJ=${gen_vcproj_cmd} +MSVS_ARCH_DIR=${msvs_arch_dir} + +CC=${CC} +CXX=${CXX} +AR=${AR} +LD=${LD} +AS=${AS} +STRIP=${STRIP} +NM=${NM} + +CFLAGS = ${CFLAGS} +CXXFLAGS = ${CXXFLAGS} +ARFLAGS = crs\$(if \$(quiet),,v) +LDFLAGS = ${LDFLAGS} +ASFLAGS = ${ASFLAGS} +extralibs = ${extralibs} +AS_SFX = ${AS_SFX:-.asm} +EXE_SFX = ${EXE_SFX} +VCPROJ_SFX = ${VCPROJ_SFX} +RTCD_OPTIONS = ${RTCD_OPTIONS} +WX_CXXFLAGS = ${WX_CXXFLAGS} +WX_LDFLAGS = ${WX_LDFLAGS} +EOF + + if enabled rvct; then cat >> $1 << EOF +fmt_deps = sed -e 's;^__image.axf;\${@:.d=.o} \$@;' #hide +EOF + else cat >> $1 << EOF +fmt_deps = sed -e 's;^\([a-zA-Z0-9_]*\)\.o;\${@:.d=.o} \$@;' +EOF + fi + + print_config_mk ARCH "${1}" ${ARCH_LIST} + print_config_mk HAVE "${1}" ${HAVE_LIST} + print_config_mk CONFIG "${1}" ${CONFIG_LIST} + print_config_mk HAVE "${1}" gnu_strip + + enabled msvs && echo "CONFIG_VS_VERSION=${vs_version}" >> "${1}" + + CC="${saved_CC}" + CXX="${saved_CXX}" +} + +write_common_target_config_h() { + print_webm_license ${TMP_H} "/*" " */" + cat >> ${TMP_H} << EOF +/* This file automatically generated by configure. Do not edit! */ +#ifndef AOM_CONFIG_H +#define AOM_CONFIG_H +#define RESTRICT ${RESTRICT} +#define INLINE ${INLINE} +EOF + print_config_h ARCH "${TMP_H}" ${ARCH_LIST} + print_config_h HAVE "${TMP_H}" ${HAVE_LIST} + print_config_h CONFIG "${TMP_H}" ${CONFIG_LIST} + print_config_vars_h "${TMP_H}" ${VAR_LIST} + echo "#endif /* AOM_CONFIG_H */" >> ${TMP_H} + mkdir -p `dirname "$1"` + cmp "$1" ${TMP_H} >/dev/null 2>&1 || mv ${TMP_H} "$1" +} + +process_common_cmdline() { + for opt in "$@"; do + optval="${opt#*=}" + case "$opt" in + --child) + enable_feature child + ;; + --log*) + logging="$optval" + if ! disabled logging ; then + enabled logging || logfile="$logging" + else + logfile=/dev/null + fi + ;; + --target=*) + toolchain="${toolchain:-${optval}}" + ;; + --force-target=*) + toolchain="${toolchain:-${optval}}" + enable_feature force_toolchain + ;; + --cpu=*) + tune_cpu="$optval" + ;; + --extra-cflags=*) + extra_cflags="${optval}" + ;; + --extra-cxxflags=*) + extra_cxxflags="${optval}" + ;; + --enable-?*|--disable-?*) + eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'` + if is_in ${option} ${ARCH_EXT_LIST}; then + [ $action = "disable" ] && RTCD_OPTIONS="${RTCD_OPTIONS}--disable-${option} " + elif [ $action = "disable" ] && ! disabled $option ; then + is_in ${option} ${CMDLINE_SELECT} || die_unknown $opt + log_echo " disabling $option" + elif [ $action = "enable" ] && ! enabled $option ; then + is_in ${option} ${CMDLINE_SELECT} || die_unknown $opt + log_echo " enabling $option" + fi + ${action}_feature $option + ;; + --require-?*) + eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'` + if is_in ${option} ${ARCH_EXT_LIST}; then + RTCD_OPTIONS="${RTCD_OPTIONS}${opt} " + else + die_unknown $opt + fi + ;; + --force-enable-?*|--force-disable-?*) + eval `echo "$opt" | sed 's/--force-/action=/;s/-/ option=/;s/-/_/g'` + ${action}_feature $option + ;; + --libc=*) + [ -d "${optval}" ] || die "Not a directory: ${optval}" + disable_feature builtin_libc + alt_libc="${optval}" + ;; + --as=*) + [ "${optval}" = yasm ] || [ "${optval}" = nasm ] \ + || [ "${optval}" = auto ] \ + || die "Must be yasm, nasm or auto: ${optval}" + alt_as="${optval}" + ;; + --size-limit=*) + w="${optval%%x*}" + h="${optval##*x}" + VAR_LIST="DECODE_WIDTH_LIMIT ${w} DECODE_HEIGHT_LIMIT ${h}" + [ ${w} -gt 0 ] && [ ${h} -gt 0 ] || die "Invalid size-limit: too small." + [ ${w} -lt 65536 ] && [ ${h} -lt 65536 ] \ + || die "Invalid size-limit: too big." + enable_feature size_limit + ;; + --prefix=*) + prefix="${optval}" + ;; + --libdir=*) + libdir="${optval}" + ;; + --sdk-path=*) + [ -d "${optval}" ] || die "Not a directory: ${optval}" + sdk_path="${optval}" + ;; + --libc|--as|--prefix|--libdir|--sdk-path) + die "Option ${opt} requires argument" + ;; + --help|-h) + show_help + ;; + *) + die_unknown $opt + ;; + esac + done +} + +process_cmdline() { + for opt do + optval="${opt#*=}" + case "$opt" in + *) + process_common_cmdline $opt + ;; + esac + done +} + +post_process_common_cmdline() { + prefix="${prefix:-/usr/local}" + prefix="${prefix%/}" + libdir="${libdir:-${prefix}/lib}" + libdir="${libdir%/}" + if [ "${libdir#${prefix}}" = "${libdir}" ]; then + die "Libdir ${libdir} must be a subdirectory of ${prefix}" + fi +} + +post_process_cmdline() { + true; +} + +setup_gnu_toolchain() { + CC=${CC:-${CROSS}gcc} + CXX=${CXX:-${CROSS}g++} + AR=${AR:-${CROSS}ar} + LD=${LD:-${CROSS}${link_with_cc:-ld}} + AS=${AS:-${CROSS}as} + STRIP=${STRIP:-${CROSS}strip} + NM=${NM:-${CROSS}nm} + AS_SFX=.s + EXE_SFX= +} + +# Reliably find the newest available Darwin SDKs. (Older versions of +# xcrun don't support --show-sdk-path.) +show_darwin_sdk_path() { + xcrun --sdk $1 --show-sdk-path 2>/dev/null || + xcodebuild -sdk $1 -version Path 2>/dev/null +} + +# Print the major version number of the Darwin SDK specified by $1. +show_darwin_sdk_major_version() { + xcrun --sdk $1 --show-sdk-version 2>/dev/null | cut -d. -f1 +} + +# Print the Xcode version. +show_xcode_version() { + xcodebuild -version | head -n1 | cut -d' ' -f2 +} + +# Fails when Xcode version is less than 6.3. +check_xcode_minimum_version() { + xcode_major=$(show_xcode_version | cut -f1 -d.) + xcode_minor=$(show_xcode_version | cut -f2 -d.) + xcode_min_major=6 + xcode_min_minor=3 + if [ ${xcode_major} -lt ${xcode_min_major} ]; then + return 1 + fi + if [ ${xcode_major} -eq ${xcode_min_major} ] \ + && [ ${xcode_minor} -lt ${xcode_min_minor} ]; then + return 1 + fi +} + +process_common_toolchain() { + case "$toolchain" in + *-vs*) ;; + *) add_cflags_only -std=c99 ;; + esac + + if [ -z "$toolchain" ]; then + gcctarget="${CHOST:-$(gcc -dumpmachine 2> /dev/null)}" + + # detect tgt_isa + case "$gcctarget" in + aarch64*) + tgt_isa=arm64 + ;; + armv6*) + tgt_isa=armv6 + ;; + armv7*-hardfloat* | armv7*-gnueabihf | arm-*-gnueabihf) + tgt_isa=armv7 + float_abi=hard + ;; + armv7*) + tgt_isa=armv7 + float_abi=softfp + ;; + *x86_64*|*amd64*) + tgt_isa=x86_64 + ;; + *i[3456]86*) + tgt_isa=x86 + ;; + *sparc*) + tgt_isa=sparc + ;; + esac + + # detect tgt_os + case "$gcctarget" in + *darwin10*) + tgt_isa=x86_64 + tgt_os=darwin10 + ;; + *darwin11*) + tgt_isa=x86_64 + tgt_os=darwin11 + ;; + *darwin12*) + tgt_isa=x86_64 + tgt_os=darwin12 + ;; + *darwin13*) + tgt_isa=x86_64 + tgt_os=darwin13 + ;; + *darwin14*) + tgt_isa=x86_64 + tgt_os=darwin14 + ;; + *darwin15*) + tgt_isa=x86_64 + tgt_os=darwin15 + ;; + *darwin16*) + tgt_isa=x86_64 + tgt_os=darwin16 + ;; + x86_64*mingw32*) + tgt_os=win64 + ;; + *mingw32*|*cygwin*) + [ -z "$tgt_isa" ] && tgt_isa=x86 + tgt_os=win32 + ;; + *linux*|*bsd*) + tgt_os=linux + ;; + *solaris2.10) + tgt_os=solaris + ;; + *os2*) + tgt_os=os2 + ;; + esac + + if [ -n "$tgt_isa" ] && [ -n "$tgt_os" ]; then + toolchain=${tgt_isa}-${tgt_os}-gcc + fi + fi + + toolchain=${toolchain:-generic-gnu} + + is_in ${toolchain} ${all_platforms} || enabled force_toolchain \ + || die "Unrecognized toolchain '${toolchain}'" + + enabled child || log_echo "Configuring for target '${toolchain}'" + + # + # Set up toolchain variables + # + tgt_isa=$(echo ${toolchain} | awk 'BEGIN{FS="-"}{print $1}') + tgt_os=$(echo ${toolchain} | awk 'BEGIN{FS="-"}{print $2}') + tgt_cc=$(echo ${toolchain} | awk 'BEGIN{FS="-"}{print $3}') + + # Mark the specific ISA requested as enabled + soft_enable ${tgt_isa} + enable_feature ${tgt_os} + enable_feature ${tgt_cc} + + # Enable the architecture family + case ${tgt_isa} in + arm*) + enable_feature arm + ;; + mips*) + enable_feature mips + ;; + esac + + # PIC is probably what we want when building shared libs + enabled shared && soft_enable pic + + # Minimum iOS version for all target platforms (darwin and iphonesimulator). + # Shared library framework builds are only possible on iOS 8 and later. + if enabled shared; then + IOS_VERSION_OPTIONS="--enable-shared" + IOS_VERSION_MIN="8.0" + else + IOS_VERSION_OPTIONS="" + IOS_VERSION_MIN="6.0" + fi + + # Handle darwin variants. Newer SDKs allow targeting older + # platforms, so use the newest one available. + case ${toolchain} in + arm*-darwin*) + add_cflags "-miphoneos-version-min=${IOS_VERSION_MIN}" + iphoneos_sdk_dir="$(show_darwin_sdk_path iphoneos)" + if [ -d "${iphoneos_sdk_dir}" ]; then + add_cflags "-isysroot ${iphoneos_sdk_dir}" + add_ldflags "-isysroot ${iphoneos_sdk_dir}" + fi + ;; + x86*-darwin*) + osx_sdk_dir="$(show_darwin_sdk_path macosx)" + if [ -d "${osx_sdk_dir}" ]; then + add_cflags "-isysroot ${osx_sdk_dir}" + add_ldflags "-isysroot ${osx_sdk_dir}" + fi + ;; + esac + + case ${toolchain} in + *-darwin8-*) + add_cflags "-mmacosx-version-min=10.4" + add_ldflags "-mmacosx-version-min=10.4" + ;; + *-darwin9-*) + add_cflags "-mmacosx-version-min=10.5" + add_ldflags "-mmacosx-version-min=10.5" + ;; + *-darwin10-*) + add_cflags "-mmacosx-version-min=10.6" + add_ldflags "-mmacosx-version-min=10.6" + ;; + *-darwin11-*) + add_cflags "-mmacosx-version-min=10.7" + add_ldflags "-mmacosx-version-min=10.7" + ;; + *-darwin12-*) + add_cflags "-mmacosx-version-min=10.8" + add_ldflags "-mmacosx-version-min=10.8" + ;; + *-darwin13-*) + add_cflags "-mmacosx-version-min=10.9" + add_ldflags "-mmacosx-version-min=10.9" + ;; + *-darwin14-*) + add_cflags "-mmacosx-version-min=10.10" + add_ldflags "-mmacosx-version-min=10.10" + ;; + *-darwin15-*) + add_cflags "-mmacosx-version-min=10.11" + add_ldflags "-mmacosx-version-min=10.11" + ;; + *-darwin16-*) + add_cflags "-mmacosx-version-min=10.12" + add_ldflags "-mmacosx-version-min=10.12" + ;; + *-iphonesimulator-*) + add_cflags "-miphoneos-version-min=${IOS_VERSION_MIN}" + add_ldflags "-miphoneos-version-min=${IOS_VERSION_MIN}" + iossim_sdk_dir="$(show_darwin_sdk_path iphonesimulator)" + if [ -d "${iossim_sdk_dir}" ]; then + add_cflags "-isysroot ${iossim_sdk_dir}" + add_ldflags "-isysroot ${iossim_sdk_dir}" + fi + ;; + esac + + # Handle Solaris variants. Solaris 10 needs -lposix4 + case ${toolchain} in + sparc-solaris-*) + add_extralibs -lposix4 + ;; + *-solaris-*) + add_extralibs -lposix4 + ;; + esac + + # Process ARM architecture variants + case ${toolchain} in + arm*) + # on arm, isa versions are supersets + case ${tgt_isa} in + arm64|armv8) + soft_enable neon + ;; + armv7|armv7s) + soft_enable neon + # Only enable neon_asm when neon is also enabled. + enabled neon && soft_enable neon_asm + # If someone tries to force it through, die. + if disabled neon && enabled neon_asm; then + die "Disabling neon while keeping neon-asm is not supported" + fi + case ${toolchain} in + # Apple iOS SDKs no longer support armv6 as of the version 9 + # release (coincides with release of Xcode 7). Only enable media + # when using earlier SDK releases. + *-darwin*) + if [ "$(show_darwin_sdk_major_version iphoneos)" -lt 9 ]; then + soft_enable media + else + soft_disable media + RTCD_OPTIONS="${RTCD_OPTIONS}--disable-media " + fi + ;; + *) + soft_enable media + ;; + esac + ;; + armv6) + case ${toolchain} in + *-darwin*) + if [ "$(show_darwin_sdk_major_version iphoneos)" -lt 9 ]; then + soft_enable media + else + die "Your iOS SDK does not support armv6." + fi + ;; + *) + soft_enable media + ;; + esac + ;; + esac + + asm_conversion_cmd="cat" + + case ${tgt_cc} in + gcc) + link_with_cc=gcc + setup_gnu_toolchain + arch_int=${tgt_isa##armv} + arch_int=${arch_int%%te} + check_add_asflags --defsym ARCHITECTURE=${arch_int} + tune_cflags="-mtune=" + if [ ${tgt_isa} = "armv7" ] || [ ${tgt_isa} = "armv7s" ]; then + if [ -z "${float_abi}" ]; then + check_cpp <&- || \ + die "Couldn't find CodeSourcery GCC from PATH" + + # Use armcc as a linker to enable translation of + # some gcc specific options such as -lm and -lpthread. + LD="armcc --translate_gcc" + + # create configuration file (uses path to CodeSourcery GCC) + armcc --arm_linux_configure --arm_linux_config_file=arm_linux.cfg + + add_cflags --arm_linux_paths --arm_linux_config_file=arm_linux.cfg + add_asflags --no_hide_all --apcs=/interwork + add_ldflags --arm_linux_paths --arm_linux_config_file=arm_linux.cfg + enabled pic && add_cflags --apcs=/fpic + enabled pic && add_asflags --apcs=/fpic + enabled shared && add_cflags --shared + fi + ;; + esac + ;; + mips*) + link_with_cc=gcc + setup_gnu_toolchain + tune_cflags="-mtune=" + if enabled dspr2; then + check_add_cflags -mips32r2 -mdspr2 + fi + + if enabled runtime_cpu_detect; then + disable_feature runtime_cpu_detect + fi + + if [ -n "${tune_cpu}" ]; then + case ${tune_cpu} in + p5600) + check_add_cflags -mips32r5 -mload-store-pairs + check_add_cflags -msched-weight -mhard-float -mfp64 + check_add_asflags -mips32r5 -mhard-float -mfp64 + check_add_ldflags -mfp64 + ;; + i6400|p6600) + check_add_cflags -mips64r6 -mabi=64 -msched-weight + check_add_cflags -mload-store-pairs -mhard-float -mfp64 + check_add_asflags -mips64r6 -mabi=64 -mhard-float -mfp64 + check_add_ldflags -mips64r6 -mabi=64 -mfp64 + ;; + esac + + if enabled msa; then + add_cflags -mmsa + add_asflags -mmsa + add_ldflags -mmsa + fi + fi + + check_add_cflags -march=${tgt_isa} + check_add_asflags -march=${tgt_isa} + check_add_asflags -KPIC + ;; + x86*) + case ${tgt_os} in + win*) + enabled gcc && add_cflags -fno-common + ;; + solaris*) + CC=${CC:-${CROSS}gcc} + CXX=${CXX:-${CROSS}g++} + LD=${LD:-${CROSS}gcc} + CROSS=${CROSS-g} + ;; + os2) + disable_feature pic + AS=${AS:-nasm} + add_ldflags -Zhigh-mem + ;; + esac + + AS="${alt_as:-${AS:-auto}}" + case ${tgt_cc} in + icc*) + CC=${CC:-icc} + LD=${LD:-icc} + setup_gnu_toolchain + add_cflags -use-msasm # remove -use-msasm too? + # add -no-intel-extensions to suppress warning #10237 + # refer to http://software.intel.com/en-us/forums/topic/280199 + add_ldflags -i-static -no-intel-extensions + enabled x86_64 && add_cflags -ipo -static -O3 -no-prec-div + enabled x86_64 && AR=xiar + case ${tune_cpu} in + atom*) + tune_cflags="-x" + tune_cpu="SSE3_ATOM" + ;; + *) + tune_cflags="-march=" + ;; + esac + ;; + gcc*) + link_with_cc=gcc + tune_cflags="-march=" + setup_gnu_toolchain + #for 32 bit x86 builds, -O3 did not turn on this flag + enabled optimizations && disabled gprof && check_add_cflags -fomit-frame-pointer + ;; + vs*) + # When building with Microsoft Visual Studio the assembler is + # invoked directly. Checking at configure time is unnecessary. + # Skip the check by setting AS arbitrarily + AS=msvs + msvs_arch_dir=x86-msvs + vc_version=${tgt_cc##vs} + ;; + esac + + bits=32 + enabled x86_64 && bits=64 + check_cpp < sse4 + check_gcc_machine_option ${ext%_*} $ext + fi + done + + if enabled external_build; then + log_echo " skipping assembler detection" + else + case "${AS}" in + auto|"") + which nasm >/dev/null 2>&1 && AS=nasm + which yasm >/dev/null 2>&1 && AS=yasm + if [ "${AS}" = nasm ] ; then + # Apple ships version 0.98 of nasm through at least Xcode 6. Revisit + # this check if they start shipping a compatible version. + apple=`nasm -v | grep "Apple"` + [ -n "${apple}" ] \ + && echo "Unsupported version of nasm: ${apple}" \ + && AS="" + fi + [ "${AS}" = auto ] || [ -z "${AS}" ] \ + && die "Neither yasm nor nasm have been found." \ + "See the prerequisites section in the README for more info." + ;; + esac + log_echo " using $AS" + fi + [ "${AS##*/}" = nasm ] && add_asflags -Ox + AS_SFX=.asm + case ${tgt_os} in + win32) + add_asflags -f win32 + enabled debug && add_asflags -g cv8 + EXE_SFX=.exe + ;; + win64) + add_asflags -f x64 + enabled debug && add_asflags -g cv8 + EXE_SFX=.exe + ;; + linux*|solaris*|android*) + add_asflags -f elf${bits} + enabled debug && [ "${AS}" = yasm ] && add_asflags -g dwarf2 + enabled debug && [ "${AS}" = nasm ] && add_asflags -g + [ "${AS##*/}" = nasm ] && check_asm_align + ;; + darwin*) + add_asflags -f macho${bits} + enabled x86 && darwin_arch="-arch i386" || darwin_arch="-arch x86_64" + add_cflags ${darwin_arch} + add_ldflags ${darwin_arch} + # -mdynamic-no-pic is still a bit of voodoo -- it was required at + # one time, but does not seem to be now, and it breaks some of the + # code that still relies on inline assembly. + # enabled icc && ! enabled pic && add_cflags -fno-pic -mdynamic-no-pic + enabled icc && ! enabled pic && add_cflags -fno-pic + ;; + iphonesimulator) + add_asflags -f macho${bits} + enabled x86 && sim_arch="-arch i386" || sim_arch="-arch x86_64" + add_cflags ${sim_arch} + add_ldflags ${sim_arch} + + if [ "$(show_darwin_sdk_major_version iphonesimulator)" -gt 8 ]; then + # yasm v1.3.0 doesn't know what -fembed-bitcode means, so turning it + # on is pointless (unless building a C-only lib). Warn the user, but + # do nothing here. + log "Warning: Bitcode embed disabled for simulator targets." + fi + ;; + os2) + add_asflags -f aout + enabled debug && add_asflags -g + EXE_SFX=.exe + ;; + *) + log "Warning: Unknown os $tgt_os while setting up $AS flags" + ;; + esac + ;; + *-gcc|generic-gnu) + link_with_cc=gcc + enable_feature gcc + setup_gnu_toolchain + ;; + esac + + # Try to enable CPU specific tuning + if [ -n "${tune_cpu}" ]; then + if [ -n "${tune_cflags}" ]; then + check_add_cflags ${tune_cflags}${tune_cpu} || \ + die "Requested CPU '${tune_cpu}' not supported by compiler" + fi + if [ -n "${tune_asflags}" ]; then + check_add_asflags ${tune_asflags}${tune_cpu} || \ + die "Requested CPU '${tune_cpu}' not supported by assembler" + fi + if [ -z "${tune_cflags}${tune_asflags}" ]; then + log_echo "Warning: CPU tuning not supported by this toolchain" + fi + fi + + if enabled debug; then + check_add_cflags -g && check_add_ldflags -g + else + check_add_cflags -DNDEBUG + fi + + enabled gprof && check_add_cflags -pg && check_add_ldflags -pg + enabled gcov && + check_add_cflags -fprofile-arcs -ftest-coverage && + check_add_ldflags -fprofile-arcs -ftest-coverage + + if enabled optimizations; then + if enabled rvct; then + enabled small && check_add_cflags -Ospace || check_add_cflags -Otime + else + enabled small && check_add_cflags -O2 || check_add_cflags -O3 + fi + fi + + # Position Independent Code (PIC) support, for building relocatable + # shared objects + enabled gcc && enabled pic && check_add_cflags -fPIC + + # Work around longjmp interception on glibc >= 2.11, to improve binary + # compatibility. See http://code.google.com/p/webm/issues/detail?id=166 + enabled linux && check_add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 + + # Check for strip utility variant + ${STRIP} -V 2>/dev/null | grep GNU >/dev/null && enable_feature gnu_strip + + # Try to determine target endianness + check_cc </dev/null 2>&1 && enable_feature big_endian + + # Try to find which inline keywords are supported + check_cc <> $makefile + fi + done + prefix="${saved_prefix}" +} + +print_config_h() { + saved_prefix="${prefix}" + prefix=$1 + header=$2 + shift 2 + for cfg; do + upname="`toupper $cfg`" + if enabled $cfg; then + echo "#define ${prefix}_${upname} 1" >> $header + else + echo "#define ${prefix}_${upname} 0" >> $header + fi + done + prefix="${saved_prefix}" +} + +print_config_vars_h() { + header=$1 + shift + while [ $# -gt 0 ]; do + upname="`toupper $1`" + echo "#define ${upname} $2" >> $header + shift 2 + done +} + +print_webm_license() { + saved_prefix="${prefix}" + destination=$1 + prefix="$2" + suffix="$3" + shift 3 + cat < ${destination} +${prefix} Copyright (c) 2016, Alliance for Open Media. All rights reserved.${suffix} +${prefix} ${suffix} +${prefix} This source code is subject to the terms of the BSD 2 Clause License and${suffix} +${prefix} the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License${suffix} +${prefix} was not distributed with this source code in the LICENSE file, you can${suffix} +${prefix} obtain it at www.aomedia.org/license/software. If the Alliance for Open${suffix} +${prefix} Media Patent License 1.0 was not distributed with this source code in the${suffix} +${prefix} PATENTS file, you can obtain it at www.aomedia.org/license/patent.${suffix} +EOF + prefix="${saved_prefix}" +} + +process_targets() { + true; +} + +process_detect() { + true; +} + +enable_feature logging +logfile="config.log" +self=$0 +process() { + cmdline_args="$@" + process_cmdline "$@" + if enabled child; then + echo "# ${self} $@" >> ${logfile} + else + echo "# ${self} $@" > ${logfile} + fi + post_process_common_cmdline + post_process_cmdline + process_toolchain + process_detect + process_targets + + OOT_INSTALLS="${OOT_INSTALLS}" + if enabled source_path_used; then + # Prepare the PWD for building. + for f in ${OOT_INSTALLS}; do + install -D "${source_path}/$f" "$f" + done + fi + cp "${source_path}/build/make/Makefile" . + + clean_temp_files + true +} -- cgit v1.2.3