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# Compute ARC-specific values
CT_DoArchTupleValues()
{
# The architecture part of the tuple:
CT_TARGET_ARCH="${CT_ARCH}${CT_ARCH_SUFFIX:-${target_endian_eb}}"
}
CT_DoArchUClibcConfig()
{
local cfg="${1}"
CT_DoArchUClibcSelectArch "${cfg}" "arc"
}
CT_DoArchUClibcCflags()
{
local cfg="${1}"
local cflags="${2}"
local f
CT_KconfigDisableOption "CONFIG_ARC_HAS_ATOMICS" "${cfg}"
for f in ${cflags}; do
case "${f}" in
-matomic)
CT_KconfigEnableOption "CONFIG_ARC_HAS_ATOMICS" "${cfg}"
;;
esac
done
}
# Multilib: Adjust configure arguments for GLIBC
# Usage: CT_DoArchGlibcAdjustConfigure <configure-args-array-name> <cflags>
#
# From GCC's standpoint ARC's multilib items are defined by "mcpu" values
# which we have quite a few and for all of them might be built optimized
# cross-toolchain.
#
# From Glibc's standpoint multilib is multi-ABI and so very limited
# versions are supposed to co-exist.
#
# Here we force Glibc to install libraries in per-multilib folder to create
# a universal cross-toolchain that has libs optimized for multiple CPU types.
CT_DoArchGlibcAdjustConfigure() {
local -a add_args
local array="${1}"
local cflags="${2}"
local opt
local mcpu
# If building for multilib, set proper installation paths
if [ "${CT_MULTILIB}" = "y" ]; then
for opt in ${cflags}; do
case "${opt}" in
-mcpu=*)
mcpu="${opt#*=}"
add_args+=( "libc_cv_rtlddir=/lib/${mcpu}" )
add_args+=( "libc_cv_slibdir=/lib/${mcpu}" )
add_args+=( "--libdir=/usr/lib/${mcpu}" )
;;
esac
done
fi
eval "${array}+=( \"\${add_args[@]}\" )"
}
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