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-rw-r--r--media/libvpx/libvpx/build/make/configure.sh1703
1 files changed, 1703 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/build/make/configure.sh b/media/libvpx/libvpx/build/make/configure.sh
new file mode 100644
index 0000000000..869793a296
--- /dev/null
+++ b/media/libvpx/libvpx/build/make/configure.sh
@@ -0,0 +1,1703 @@
+#!/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 libvpx
+## 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-${opt2} \""
+ fi
+ done
+
+ cat <<EOF
+Usage: configure [options]
+Options:
+
+Build options:
+ --help print this message
+ --log=yes|no|FILE file configure log is written to [config.log]
+ --target=TARGET target platform tuple [generic-gnu]
+ --cpu=CPU optimize for a specific cpu rather than a family
+ --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
+ --extra-cxxflags=ECXXFLAGS add ECXXFLAGS to CXXFLAGS [$CXXFLAGS]
+ ${toggle_extra_warnings} emit harmless warnings (always non-fatal)
+ ${toggle_werror} treat warnings as errors, if possible
+ (not available with all compilers)
+ ${toggle_optimizations} turn on/off compiler optimization flags
+ ${toggle_pic} turn on/off Position Independent Code
+ ${toggle_ccache} turn on/off compiler cache
+ ${toggle_debug} enable/disable debug mode
+ ${toggle_gprof} enable/disable gprof profiling instrumentation
+ ${toggle_gcov} enable/disable gcov coverage instrumentation
+ ${toggle_thumb} enable/disable building arm assembly in thumb mode
+ ${toggle_dependency_tracking}
+ disable to speed up one-time build
+
+Install options:
+ ${toggle_install_docs} control whether docs are installed
+ ${toggle_install_bins} control whether binaries are installed
+ ${toggle_install_libs} control whether libraries are installed
+ ${toggle_install_srcs} control whether sources are installed
+
+
+EOF
+}
+
+show_help_post(){
+ cat <<EOF
+
+
+NOTES:
+ Object files are built at the place where configure is launched.
+
+ All boolean options can be negated. The default value is the opposite
+ of that shown above. If the option --disable-foo is listed, then
+ the default value for foo is enabled.
+
+Supported targets:
+EOF
+ show_targets ${all_platforms}
+ echo
+ exit 1
+}
+
+show_targets() {
+ while [ -n "$*" ]; do
+ if [ "${1%%-*}" = "${2%%-*}" ]; then
+ if [ "${2%%-*}" = "${3%%-*}" ]; then
+ printf " %-24s %-24s %-24s\n" "$1" "$2" "$3"
+ shift; shift; shift
+ else
+ printf " %-24s %-24s\n" "$1" "$2"
+ shift; shift
+ fi
+ else
+ printf " %-24s\n" "$1"
+ shift
+ fi
+ done
+}
+
+show_help() {
+ show_help_pre
+ show_help_post
+}
+
+#
+# List Processing Functions
+#
+set_all(){
+ value=$1
+ shift
+ for var in $*; do
+ eval $var=$value
+ done
+}
+
+is_in(){
+ value=$1
+ shift
+ for var in $*; do
+ [ $var = $value ] && return 0
+ done
+ return 1
+}
+
+add_cflags() {
+ CFLAGS="${CFLAGS} $@"
+ CXXFLAGS="${CXXFLAGS} $@"
+}
+
+add_cflags_only() {
+ CFLAGS="${CFLAGS} $@"
+}
+
+add_cxxflags_only() {
+ CXXFLAGS="${CXXFLAGS} $@"
+}
+
+add_ldflags() {
+ LDFLAGS="${LDFLAGS} $@"
+}
+
+add_asflags() {
+ ASFLAGS="${ASFLAGS} $@"
+}
+
+add_extralibs() {
+ extralibs="${extralibs} $@"
+}
+
+#
+# Boolean Manipulation Functions
+#
+
+enable_feature(){
+ set_all yes $*
+}
+
+disable_feature(){
+ set_all no $*
+}
+
+enabled(){
+ eval test "x\$$1" = "xyes"
+}
+
+disabled(){
+ eval test "x\$$1" = "xno"
+}
+
+enable_codec(){
+ enabled "${1}" || echo " enabling ${1}"
+ enable_feature "${1}"
+
+ is_in "${1}" vp8 vp9 && enable_feature "${1}_encoder" "${1}_decoder"
+}
+
+disable_codec(){
+ disabled "${1}" || echo " disabling ${1}"
+ disable_feature "${1}"
+
+ is_in "${1}" vp8 vp9 && disable_feature "${1}_encoder" "${1}_decoder"
+}
+
+# Iterates through positional parameters, checks to confirm the parameter has
+# not been explicitly (force) disabled, and enables the setting controlled by
+# the parameter when the setting is not disabled.
+# Note: Does NOT alter RTCD generation options ($RTCD_OPTIONS).
+soft_enable() {
+ for var in $*; do
+ if ! disabled $var; then
+ enabled $var || log_echo " enabling $var"
+ enable_feature $var
+ fi
+ done
+}
+
+# Iterates through positional parameters, checks to confirm the parameter has
+# not been explicitly (force) enabled, and disables the setting controlled by
+# the parameter when the setting is not enabled.
+# Note: Does NOT alter RTCD generation options ($RTCD_OPTIONS).
+soft_disable() {
+ for var in $*; do
+ if ! enabled $var; then
+ disabled $var || log_echo " disabling $var"
+ disable_feature $var
+ fi
+ done
+}
+
+#
+# Text Processing Functions
+#
+toupper(){
+ echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
+}
+
+tolower(){
+ echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
+}
+
+#
+# Temporary File Functions
+#
+source_path=${0%/*}
+enable_feature source_path_used
+if [ -z "$source_path" ] || [ "$source_path" = "." ]; then
+ source_path="`pwd`"
+ disable_feature source_path_used
+fi
+# Makefiles greedily process the '#' character as a comment, even if it is
+# inside quotes. So, this character must be escaped in all paths in Makefiles.
+source_path_mk=$(echo $source_path | sed -e 's;\#;\\\#;g')
+
+if test ! -z "$TMPDIR" ; then
+ TMPDIRx="${TMPDIR}"
+elif test ! -z "$TEMPDIR" ; then
+ TMPDIRx="${TEMPDIR}"
+else
+ TMPDIRx="/tmp"
+fi
+RAND=$(awk 'BEGIN { srand(); printf "%d\n",(rand() * 32768)}')
+TMP_H="${TMPDIRx}/vpx-conf-$$-${RAND}.h"
+TMP_C="${TMPDIRx}/vpx-conf-$$-${RAND}.c"
+TMP_CC="${TMPDIRx}/vpx-conf-$$-${RAND}.cc"
+TMP_O="${TMPDIRx}/vpx-conf-$$-${RAND}.o"
+TMP_X="${TMPDIRx}/vpx-conf-$$-${RAND}.x"
+TMP_ASM="${TMPDIRx}/vpx-conf-$$-${RAND}.asm"
+
+clean_temp_files() {
+ rm -f ${TMP_C} ${TMP_CC} ${TMP_H} ${TMP_O} ${TMP_X} ${TMP_ASM}
+ enabled gcov && rm -f ${TMP_C%.c}.gcno ${TMP_CC%.cc}.gcno
+}
+
+#
+# Toolchain Check Functions
+#
+check_cmd() {
+ enabled external_build && return
+ log "$@"
+ "$@" >>${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} ${extralibs}
+}
+
+check_lib() {
+ log check_lib "$@"
+ 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 $var
+ check_cpp "$@" <<EOF && enable_feature $var
+#include "$header"
+int x;
+EOF
+}
+
+check_cflags() {
+ log check_cflags "$@"
+ check_cc -Werror "$@" <<EOF
+int x;
+EOF
+}
+
+check_cxxflags() {
+ log check_cxxflags "$@"
+
+ # Catch CFLAGS that trigger CXX warnings
+ case "$CXX" in
+ *c++-analyzer|*clang++|*g++*)
+ check_cxx -Werror "$@" <<EOF
+int x;
+EOF
+ ;;
+ *)
+ check_cxx -Werror "$@" <<EOF
+int x;
+EOF
+ ;;
+ esac
+}
+
+check_add_cflags() {
+ check_cxxflags "$@" && add_cxxflags_only "$@"
+ check_cflags "$@" && add_cflags_only "$@"
+}
+
+check_add_cxxflags() {
+ check_cxxflags "$@" && add_cxxflags_only "$@"
+}
+
+check_add_asflags() {
+ log add_asflags "$@"
+ add_asflags "$@"
+}
+
+check_add_ldflags() {
+ log add_ldflags "$@"
+ add_ldflags "$@"
+}
+
+check_asm_align() {
+ log check_asm_align "$@"
+ cat >${TMP_ASM} <<EOF
+section .rodata
+align 16
+EOF
+ log_file ${TMP_ASM}
+ check_cmd ${AS} ${ASFLAGS} -o ${TMP_O} ${TMP_ASM}
+ readelf -WS ${TMP_O} >${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
+}
+
+# tests for -m$2, -m$3, -m$4... toggling the feature given in $1.
+check_gcc_machine_options() {
+ feature="$1"
+ shift
+ flags="-m$1"
+ shift
+ for opt in $*; do
+ flags="$flags -m$opt"
+ done
+
+ if enabled gcc && ! disabled "$feature" && ! check_cflags $flags; then
+ RTCD_OPTIONS="${RTCD_OPTIONS}--disable-$feature "
+ else
+ soft_enable "$feature"
+ fi
+}
+
+check_gcc_avx512_compiles() {
+ if disabled gcc; then
+ return
+ fi
+
+ check_cc -mavx512f <<EOF
+#include <immintrin.h>
+void f(void) {
+ __m512i x = _mm512_set1_epi16(0);
+ (void)x;
+}
+EOF
+ compile_result=$?
+ if [ ${compile_result} -ne 0 ]; then
+ log_echo " disabling avx512: not supported by compiler"
+ disable_feature avx512
+ RTCD_OPTIONS="${RTCD_OPTIONS}--disable-avx512 "
+ fi
+}
+
+check_inline_asm() {
+ log check_inline_asm "$@"
+ name="$1"
+ code="$2"
+ shift 2
+ disable_feature $name
+ check_cc "$@" <<EOF && enable_feature $name
+void foo(void) { __asm__ volatile($code); }
+EOF
+}
+
+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_mk"
+SRC_PATH_BARE=$source_path_mk
+BUILD_PFX=${BUILD_PFX}
+TOOLCHAIN=${toolchain}
+ASM_CONVERSION=${asm_conversion_cmd:-${source_path_mk}/build/make/ads2gas.pl}
+GEN_VCPROJ=${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}
+LIBWEBM_CXXFLAGS = ${LIBWEBM_CXXFLAGS}
+LIBYUV_CXXFLAGS = ${LIBYUV_CXXFLAGS}
+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 VPX_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 VPX_CONFIG_H
+#define VPX_CONFIG_H
+#define RESTRICT ${RESTRICT}
+#define INLINE ${INLINE}
+EOF
+ print_config_h VPX_ARCH "${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 /* VPX_CONFIG_H */" >> ${TMP_H}
+ mkdir -p `dirname "$1"`
+ cmp "$1" ${TMP_H} >/dev/null 2>&1 || mv ${TMP_H} "$1"
+}
+
+write_win_arm64_neon_h_workaround() {
+ print_webm_license ${TMP_H} "/*" " */"
+ cat >> ${TMP_H} << EOF
+/* This file automatically generated by configure. Do not edit! */
+#ifndef VPX_WIN_ARM_NEON_H_WORKAROUND
+#define VPX_WIN_ARM_NEON_H_WORKAROUND
+/* The Windows SDK has arm_neon.h, but unlike on other platforms it is
+ * ARM32-only. ARM64 NEON support is provided by arm64_neon.h, a proper
+ * superset of arm_neon.h. Work around this by providing a more local
+ * arm_neon.h that simply #includes arm64_neon.h.
+ */
+#include <arm64_neon.h>
+#endif /* VPX_WIN_ARM_NEON_H_WORKAROUND */
+EOF
+ 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}"
+ ;;
+ --libc|--as|--prefix|--libdir)
+ 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 ${xcode_min_minor} ]; then
+ return 1
+ fi
+}
+
+process_common_toolchain() {
+ if [ -z "$toolchain" ]; then
+ gcctarget="${CHOST:-$(gcc -dumpmachine 2> /dev/null)}"
+ # detect tgt_isa
+ case "$gcctarget" in
+ aarch64*)
+ tgt_isa=arm64
+ ;;
+ armv7*-hardfloat* | armv7*-gnueabihf | arm-*-gnueabihf)
+ tgt_isa=armv7
+ float_abi=hard
+ ;;
+ armv7*)
+ tgt_isa=armv7
+ float_abi=softfp
+ ;;
+ *x86_64*|*amd64*)
+ tgt_isa=x86_64
+ ;;
+ *i[3456]86*)
+ tgt_isa=x86
+ ;;
+ *sparc*)
+ tgt_isa=sparc
+ ;;
+ power*64le*-*)
+ tgt_isa=ppc64le
+ ;;
+ *mips64el*)
+ tgt_isa=mips64
+ ;;
+ *mips32el*)
+ tgt_isa=mips32
+ ;;
+ loongarch32*)
+ tgt_isa=loongarch32
+ ;;
+ loongarch64*)
+ tgt_isa=loongarch64
+ ;;
+ esac
+
+ # detect tgt_os
+ case "$gcctarget" in
+ *darwin1[0-9]*)
+ tgt_isa=x86_64
+ tgt_os=`echo $gcctarget | sed 's/.*\(darwin1[0-9]\).*/\1/'`
+ ;;
+ *darwin2[0-3]*)
+ tgt_isa=`uname -m`
+ tgt_os=`echo $gcctarget | sed 's/.*\(darwin2[0-9]\).*/\1/'`
+ ;;
+ x86_64*mingw32*)
+ tgt_os=win64
+ ;;
+ x86_64*cygwin*)
+ 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
+ arm64 | armv8)
+ enable_feature arm
+ enable_feature aarch64
+ ;;
+ arm*)
+ enable_feature arm
+ ;;
+ mips*)
+ enable_feature mips
+ ;;
+ ppc*)
+ enable_feature ppc
+ ;;
+ loongarch*)
+ soft_enable lsx
+ soft_enable lasx
+ enable_feature loongarch
+ ;;
+ esac
+
+ # Position independent code (PIC) is probably what we want when building
+ # shared libs or position independent executable (PIE) targets.
+ enabled shared && soft_enable pic
+ check_cpp << EOF || soft_enable pic
+#if !(__pie__ || __PIE__)
+#error Neither __pie__ or __PIE__ are set
+#endif
+EOF
+
+ # 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="7.0"
+ 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 ${iphoneos_sdk_dir}"
+ fi
+ ;;
+ *-darwin*)
+ osx_sdk_dir="$(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"
+ ;;
+ *-darwin17-*)
+ add_cflags "-mmacosx-version-min=10.13"
+ add_ldflags "-mmacosx-version-min=10.13"
+ ;;
+ *-darwin18-*)
+ add_cflags "-mmacosx-version-min=10.14"
+ add_ldflags "-mmacosx-version-min=10.14"
+ ;;
+ *-darwin19-*)
+ add_cflags "-mmacosx-version-min=10.15"
+ add_ldflags "-mmacosx-version-min=10.15"
+ ;;
+ *-darwin2[0-2]-*)
+ add_cflags "-arch ${toolchain%%-*}"
+ add_ldflags "-arch ${toolchain%%-*}"
+ ;;
+ *-iphonesimulator-*)
+ add_cflags "-miphoneos-version-min=${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 architecture variants
+ case ${toolchain} in
+ arm*)
+ soft_enable runtime_cpu_detect
+ # Arm ISA extensions are treated as supersets.
+ case ${tgt_isa} in
+ arm64|armv8)
+ for ext in ${ARCH_EXT_LIST_AARCH64}; do
+ # Disable higher order extensions to simplify dependencies.
+ if [ "$disable_exts" = "yes" ]; then
+ if ! disabled $ext; then
+ RTCD_OPTIONS="${RTCD_OPTIONS}--disable-${ext} "
+ disable_feature $ext
+ fi
+ elif disabled $ext; then
+ disable_exts="yes"
+ else
+ soft_enable $ext
+ fi
+ done
+ ;;
+ 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
+ ;;
+ 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}
+ tune_cflags="-mtune="
+ if [ ${tgt_isa} = "armv7" ] || [ ${tgt_isa} = "armv7s" ]; then
+ if [ -z "${float_abi}" ]; then
+ check_cpp <<EOF && float_abi=hard || float_abi=softfp
+#ifndef __ARM_PCS_VFP
+#error "not hardfp"
+#endif
+EOF
+ fi
+ check_add_cflags -march=armv7-a -mfloat-abi=${float_abi}
+ check_add_asflags -march=armv7-a -mfloat-abi=${float_abi}
+
+ if enabled neon || enabled neon_asm; then
+ check_add_cflags -mfpu=neon #-ftree-vectorize
+ check_add_asflags -mfpu=neon
+ fi
+ elif [ ${tgt_isa} = "arm64" ] || [ ${tgt_isa} = "armv8" ]; then
+ check_add_cflags -march=armv8-a
+ check_add_asflags -march=armv8-a
+ else
+ check_add_cflags -march=${tgt_isa}
+ check_add_asflags -march=${tgt_isa}
+ fi
+
+ enabled debug && add_asflags -g
+ asm_conversion_cmd="${source_path_mk}/build/make/ads2gas.pl"
+
+ case ${tgt_os} in
+ win*)
+ asm_conversion_cmd="$asm_conversion_cmd -noelf"
+ AS="$CC -c"
+ EXE_SFX=.exe
+ enable_feature thumb
+ ;;
+ esac
+
+ if enabled thumb; then
+ asm_conversion_cmd="$asm_conversion_cmd -thumb"
+ check_add_cflags -mthumb
+ check_add_asflags -mthumb -mimplicit-it=always
+ fi
+ ;;
+ vs*)
+ # A number of ARM-based Windows platforms are constrained by their
+ # respective SDKs' limitations. Fortunately, these are all 32-bit ABIs
+ # and so can be selected as 'win32'.
+ if [ ${tgt_os} = "win32" ]; then
+ asm_conversion_cmd="${source_path_mk}/build/make/ads2armasm_ms.pl"
+ AS_SFX=.S
+ msvs_arch_dir=arm-msvs
+ disable_feature multithread
+ disable_feature unit_tests
+ if [ ${tgt_cc##vs} -ge 12 ]; then
+ # MSVC 2013 doesn't allow doing plain .exe projects for ARM32,
+ # only "AppContainerApplication" which requires an AppxManifest.
+ # Therefore disable the examples, just build the library.
+ disable_feature examples
+ disable_feature tools
+ fi
+ else
+ # Windows 10 on ARM, on the other hand, has full Windows SDK support
+ # for building Win32 ARM64 applications in addition to ARM64
+ # Windows Store apps. It is the only 64-bit ARM ABI that
+ # Windows supports, so it is the default definition of 'win64'.
+ # ARM64 build support officially shipped in Visual Studio 15.9.0.
+
+ # Because the ARM64 Windows SDK's arm_neon.h is ARM32-specific
+ # while LLVM's is not, probe its validity.
+ if enabled neon; then
+ if [ -n "${CC}" ]; then
+ check_header arm_neon.h || check_header arm64_neon.h && \
+ enable_feature win_arm64_neon_h_workaround
+ else
+ # If a probe is not possible, assume this is the pure Windows
+ # SDK and so the workaround is necessary when using Visual
+ # Studio < 2019.
+ if [ ${tgt_cc##vs} -lt 16 ]; then
+ enable_feature win_arm64_neon_h_workaround
+ fi
+ fi
+ fi
+ fi
+ ;;
+ rvct)
+ CC=armcc
+ AR=armar
+ AS=armasm
+ LD="${source_path}/build/make/armlink_adapter.sh"
+ STRIP=arm-none-linux-gnueabi-strip
+ NM=arm-none-linux-gnueabi-nm
+ tune_cflags="--cpu="
+ tune_asflags="--cpu="
+ if [ -z "${tune_cpu}" ]; then
+ if [ ${tgt_isa} = "armv7" ]; then
+ if enabled neon || enabled neon_asm
+ then
+ check_add_cflags --fpu=softvfp+vfpv3
+ check_add_asflags --fpu=softvfp+vfpv3
+ fi
+ check_add_cflags --cpu=Cortex-A8
+ check_add_asflags --cpu=Cortex-A8
+ else
+ check_add_cflags --cpu=${tgt_isa##armv}
+ check_add_asflags --cpu=${tgt_isa##armv}
+ fi
+ fi
+ arch_int=${tgt_isa##armv}
+ arch_int=${arch_int%%te}
+ enabled debug && add_asflags -g
+ add_cflags --gnu
+ add_cflags --enum_is_int
+ add_cflags --wchar32
+ ;;
+ esac
+
+ case ${tgt_os} in
+ none*)
+ disable_feature multithread
+ disable_feature os_support
+ ;;
+
+ android*)
+ echo "Assuming standalone build with NDK toolchain."
+ echo "See build/make/Android.mk for details."
+ check_add_ldflags -static
+ soft_enable unit_tests
+ ;;
+
+ darwin)
+ if ! enabled external_build; then
+ XCRUN_FIND="xcrun --sdk iphoneos --find"
+ CXX="$(${XCRUN_FIND} clang++)"
+ CC="$(${XCRUN_FIND} clang)"
+ AR="$(${XCRUN_FIND} ar)"
+ AS="$(${XCRUN_FIND} as)"
+ STRIP="$(${XCRUN_FIND} strip)"
+ NM="$(${XCRUN_FIND} nm)"
+ RANLIB="$(${XCRUN_FIND} ranlib)"
+ AS_SFX=.S
+ LD="${CXX:-$(${XCRUN_FIND} ld)}"
+
+ # ASFLAGS is written here instead of using check_add_asflags
+ # because we need to overwrite all of ASFLAGS and purge the
+ # options that were put in above
+ ASFLAGS="-arch ${tgt_isa} -g"
+
+ add_cflags -arch ${tgt_isa}
+ add_ldflags -arch ${tgt_isa}
+
+ alt_libc="$(show_darwin_sdk_path iphoneos)"
+ if [ -d "${alt_libc}" ]; then
+ add_cflags -isysroot ${alt_libc}
+ fi
+
+ if [ "${LD}" = "${CXX}" ]; then
+ add_ldflags -miphoneos-version-min="${IOS_VERSION_MIN}"
+ else
+ add_ldflags -ios_version_min "${IOS_VERSION_MIN}"
+ fi
+
+ for d in lib usr/lib usr/lib/system; do
+ try_dir="${alt_libc}/${d}"
+ [ -d "${try_dir}" ] && add_ldflags -L"${try_dir}"
+ done
+
+ case ${tgt_isa} in
+ armv7|armv7s|armv8|arm64)
+ if enabled neon && ! check_xcode_minimum_version; then
+ soft_disable neon
+ log_echo " neon disabled: upgrade Xcode (need v6.3+)."
+ if enabled neon_asm; then
+ soft_disable neon_asm
+ log_echo " neon_asm disabled: upgrade Xcode (need v6.3+)."
+ fi
+ fi
+ ;;
+ esac
+
+ if [ "$(show_darwin_sdk_major_version iphoneos)" -gt 8 ]; then
+ check_add_cflags -fembed-bitcode
+ check_add_asflags -fembed-bitcode
+ check_add_ldflags -fembed-bitcode
+ fi
+ fi
+
+ asm_conversion_cmd="${source_path_mk}/build/make/ads2gas_apple.pl"
+ ;;
+
+ linux*)
+ enable_feature linux
+ if enabled rvct; then
+ # Check if we have CodeSourcery GCC in PATH. Needed for
+ # libraries
+ which arm-none-linux-gnueabi-gcc 2>&- || \
+ die "Couldn't find CodeSourcery GCC from PATH"
+
+ # Use armcc as a linker to enable translation of
+ # some gcc specific options such as -lm and -lpthread.
+ LD="armcc --translate_gcc"
+
+ # create configuration file (uses path to CodeSourcery GCC)
+ armcc --arm_linux_configure --arm_linux_config_file=arm_linux.cfg
+
+ add_cflags --arm_linux_paths --arm_linux_config_file=arm_linux.cfg
+ add_asflags --no_hide_all --apcs=/interwork
+ add_ldflags --arm_linux_paths --arm_linux_config_file=arm_linux.cfg
+ enabled pic && add_cflags --apcs=/fpic
+ enabled pic && add_asflags --apcs=/fpic
+ enabled shared && add_cflags --shared
+ fi
+ ;;
+ esac
+ ;;
+ mips*)
+ link_with_cc=gcc
+ setup_gnu_toolchain
+ tune_cflags="-mtune="
+ if enabled dspr2; then
+ check_add_cflags -mips32r2 -mdspr2
+ fi
+
+ if enabled runtime_cpu_detect; then
+ disable_feature runtime_cpu_detect
+ fi
+
+ if [ -n "${tune_cpu}" ]; then
+ case ${tune_cpu} in
+ p5600)
+ check_add_cflags -mips32r5 -mload-store-pairs
+ check_add_cflags -msched-weight -mhard-float -mfp64
+ check_add_asflags -mips32r5 -mhard-float -mfp64
+ check_add_ldflags -mfp64
+ ;;
+ i6400|p6600)
+ check_add_cflags -mips64r6 -mabi=64 -msched-weight
+ check_add_cflags -mload-store-pairs -mhard-float -mfp64
+ check_add_asflags -mips64r6 -mabi=64 -mhard-float -mfp64
+ check_add_ldflags -mips64r6 -mabi=64 -mfp64
+ ;;
+ loongson3*)
+ check_cflags -march=loongson3a && soft_enable mmi \
+ || disable_feature mmi
+ check_cflags -mmsa && soft_enable msa \
+ || disable_feature msa
+ tgt_isa=loongson3a
+ ;;
+ esac
+
+ if enabled mmi || enabled msa; then
+ soft_enable runtime_cpu_detect
+ fi
+
+ if enabled msa; then
+ # TODO(libyuv:793)
+ # The new mips functions in libyuv do not build
+ # with the toolchains we currently use for testing.
+ soft_disable libyuv
+ fi
+ fi
+
+ check_add_cflags -march=${tgt_isa}
+ check_add_asflags -march=${tgt_isa}
+ check_add_asflags -KPIC
+ ;;
+ ppc64le*)
+ link_with_cc=gcc
+ setup_gnu_toolchain
+ # Do not enable vsx by default.
+ # https://bugs.chromium.org/p/webm/issues/detail?id=1522
+ enabled vsx || RTCD_OPTIONS="${RTCD_OPTIONS}--disable-vsx "
+ if [ -n "${tune_cpu}" ]; then
+ case ${tune_cpu} in
+ power?)
+ tune_cflags="-mcpu="
+ ;;
+ esac
+ fi
+ ;;
+ x86*)
+ case ${tgt_os} in
+ android)
+ soft_enable realtime_only
+ ;;
+ win*)
+ enabled gcc && add_cflags -fno-common
+ ;;
+ solaris*)
+ CC=${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*)
+ msvs_arch_dir=x86-msvs
+ case ${tgt_cc##vs} in
+ 14)
+ echo "${tgt_cc} does not support avx512, disabling....."
+ RTCD_OPTIONS="${RTCD_OPTIONS}--disable-avx512 "
+ soft_disable avx512
+ ;;
+ esac
+ ;;
+ esac
+
+ bits=32
+ enabled x86_64 && bits=64
+ check_cpp <<EOF && bits=x32
+#if !defined(__ILP32__) || !defined(__x86_64__)
+#error "not x32"
+#endif
+EOF
+ case ${tgt_cc} in
+ gcc*)
+ add_cflags -m${bits}
+ add_ldflags -m${bits}
+ ;;
+ esac
+
+ soft_enable runtime_cpu_detect
+ # We can't use 'check_cflags' until the compiler is configured and CC is
+ # populated.
+ for ext in ${ARCH_EXT_LIST_X86}; do
+ # disable higher order extensions to simplify asm dependencies
+ if [ "$disable_exts" = "yes" ]; then
+ if ! disabled $ext; then
+ RTCD_OPTIONS="${RTCD_OPTIONS}--disable-${ext} "
+ disable_feature $ext
+ fi
+ elif disabled $ext; then
+ disable_exts="yes"
+ else
+ if [ "$ext" = "avx512" ]; then
+ check_gcc_machine_options $ext avx512f avx512cd avx512bw avx512dq avx512vl
+ check_gcc_avx512_compiles
+ else
+ # use the shortened version for the flag: sse4_1 -> sse4
+ check_gcc_machine_option ${ext%_*} $ext
+ fi
+ fi
+ done
+
+ if enabled external_build; then
+ log_echo " skipping assembler detection"
+ else
+ case "${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_SFX=.asm
+ case ${tgt_os} in
+ win32)
+ add_asflags -f win32
+ enabled debug && add_asflags -g cv8
+ EXE_SFX=.exe
+ ;;
+ win64)
+ add_asflags -f win64
+ enabled debug && add_asflags -g cv8
+ EXE_SFX=.exe
+ ;;
+ linux*|solaris*|android*)
+ add_asflags -f elf${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 ${sim_arch}
+
+ if [ "$(disabled external_build)" ] &&
+ [ "$(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
+ ;;
+ loongarch*)
+ link_with_cc=gcc
+ setup_gnu_toolchain
+
+ enabled lsx && check_inline_asm lsx '"vadd.b $vr0, $vr1, $vr1"'
+ enabled lsx && soft_enable runtime_cpu_detect
+ enabled lasx && check_inline_asm lasx '"xvadd.b $xr0, $xr1, $xr1"'
+ enabled lasx && soft_enable runtime_cpu_detect
+ ;;
+ *-gcc|generic-gnu)
+ link_with_cc=gcc
+ enable_feature gcc
+ setup_gnu_toolchain
+ ;;
+ esac
+
+ # Try to enable CPU specific tuning
+ if [ -n "${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
+ ${STRIP} -V 2>/dev/null | grep GNU >/dev/null && enable_feature gnu_strip
+
+ # Try to determine target endianness
+ check_cc <<EOF
+unsigned int e = 'O'<<24 | '2'<<16 | 'B'<<8 | 'E';
+EOF
+ [ -f "${TMP_O}" ] && od -A n -t x1 "${TMP_O}" | tr -d '\n' |
+ grep '4f *32 *42 *45' >/dev/null 2>&1 && enable_feature big_endian
+
+ # Try to find which inline keywords are supported
+ check_cc <<EOF && INLINE="inline"
+static inline int function(void) {}
+EOF
+
+ # Almost every platform uses pthreads.
+ if enabled multithread; then
+ case ${toolchain} in
+ *-win*-vs*)
+ ;;
+ *-android-gcc)
+ # bionic includes basic pthread functionality, obviating -lpthread.
+ ;;
+ *)
+ check_header pthread.h && check_lib -lpthread <<EOF && add_extralibs -lpthread || disable_feature pthread_h
+#include <pthread.h>
+#include <stddef.h>
+int main(void) { return pthread_create(NULL, NULL, NULL, NULL); }
+EOF
+ ;;
+ esac
+ fi
+
+ # only for MIPS platforms
+ case ${toolchain} in
+ mips*)
+ if enabled big_endian; then
+ if enabled dspr2; then
+ echo "dspr2 optimizations are available only for little endian platforms"
+ disable_feature dspr2
+ fi
+ if enabled msa; then
+ echo "msa optimizations are available only for little endian platforms"
+ disable_feature msa
+ fi
+ if enabled mmi; then
+ echo "mmi optimizations are available only for little endian platforms"
+ disable_feature mmi
+ fi
+ fi
+ ;;
+ esac
+
+ # only for LOONGARCH platforms
+ case ${toolchain} in
+ loongarch*)
+ if enabled big_endian; then
+ if enabled lsx; then
+ echo "lsx optimizations are available only for little endian platforms"
+ disable_feature lsx
+ fi
+ if enabled lasx; then
+ echo "lasx optimizations are available only for little endian platforms"
+ disable_feature lasx
+ fi
+ fi
+ ;;
+ esac
+
+ # glibc needs these
+ if enabled linux; then
+ add_cflags -D_LARGEFILE_SOURCE
+ add_cflags -D_FILE_OFFSET_BITS=64
+ fi
+}
+
+process_toolchain() {
+ process_common_toolchain
+}
+
+print_config_mk() {
+ saved_prefix="${prefix}"
+ prefix=$1
+ makefile=$2
+ shift 2
+ for cfg; do
+ if enabled $cfg; then
+ upname="`toupper $cfg`"
+ echo "${prefix}_${upname}=yes" >> $makefile
+ fi
+ done
+ prefix="${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 <<EOF > ${destination}
+${prefix} Copyright (c) 2011 The WebM project authors. All Rights Reserved.${suffix}
+${prefix} ${suffix}
+${prefix} Use of this source code is governed by a BSD-style license${suffix}
+${prefix} that can be found in the LICENSE file in the root of the source${suffix}
+${prefix} tree. An additional intellectual property rights grant can be found${suffix}
+${prefix} in the file PATENTS. All contributing project authors may${suffix}
+${prefix} be found in the AUTHORS file in the root of the source tree.${suffix}
+EOF
+ prefix="${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
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-06 22:53:19 +0000