# Compute sparc-specific values CT_DoArchTupleValues() { # That's the only thing to override CT_TARGET_ARCH="sparc${target_bits_64}${CT_ARCH_SUFFIX}" # By default, sparc64-*-linux is configured with -mcpu=v9. However, # according to https://sourceware.org/ml/libc-alpha/2005-12/msg00027.html, # "There is no Linux sparc64 port that runs on non-UltraSPARC-I+ ISA CPUs." # There is a patch that would change the default to -mcpu=ultrasparc for # sparc64-*-linux configuration: https://patchwork.ozlabs.org/patch/409424/ # but that patch has not been integrated (yet). One concern raised about # this patch was that -mcpu=ultrasparc can suboptimally schedule instructions # for newer SPARC CPUs. So, override to -mcpu=ultrasparc and warn the user. if [ "${CT_KERNEL}" = "linux" -a "${CT_ARCH_64}" = "y" -a -z "${CT_ARCH_CPU}" ]; then CT_DoLog WARN "Setting CPU to UltraSPARC-I for sparc64-linux. Set CT_ARCH_CPU if a different CPU is desired." CT_ARCH_WITH_CPU="--with-cpu=ultrasparc" fi } #------------------------------------------------------------------------------ # Get multilib architecture-specific target # Usage: CT_DoArchMultilibTarget "multilib flags" "target tuple" CT_DoArchMultilibTarget () { local target="${1}"; shift local -a multi_flags=( "$@" ) echo "${target}" }