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crossdev: query compiler for supported llvm targets #47

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crossdev: query compiler for supported llvm targets
peppergrayxyz Jul 6, 2026
78c3466
Update crossdev
peppergrayxyz Jul 7, 2026
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35 changes: 7 additions & 28 deletions crossdev
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Original file line number Diff line number Diff line change
Expand Up @@ -1919,35 +1919,14 @@ if ! ex_fast ; then

# stage 0: binutils
if [[ "${LLVM}" == "yes" ]] ; then
if ! portageq has_version / "llvm-core/llvm" ; then
eerror "LLVM is not installed"
exit 1
fi

best_ver=$(portageq best_version "${EPREFIX}"/ llvm-core/llvm)
llvm_use=$(portageq metadata "${EPREFIX}"/ installed "${best_ver}" USE)

llvm_arch=""
case ${CTARGET} in
x86*) llvm_arch="X86" ;;
arm*) llvm_arch="ARM" ;;
aarch64*) llvm_arch="AArch64" ;;
riscv*) llvm_arch="RISCV" ;;
mips*) llvm_arch="Mips" ;;
loongarch*) llvm_arch="LoongArch" ;;
powerpc*) llvm_arch="PowerPC" ;;
sparc*) llvm_arch="Sparc" ;;
esac

supported_arch=0
for flag in ${llvm_use} ; do
if [[ ${flag} == llvm_targets_* ]] ; then
target=${flag#llvm_targets_}
[[ ${llvm_arch} == ${target} ]] && supported_arch=1
fi
done

[[ ${supported_arch} -eq 0 ]] && die "Target architecture not supported by installed LLVM toolchain"
CC=${CC:-clang}
if ! ${CC} -target ${CTARGET} -mcpu=help &> /dev/null; then
case $? in
1) die "Target architecture not supported by installed LLVM toolchain" ;;
*) die "LLVM is not installed" ;;
esac
fi

USE="${CUSE}" doemerge ${CPKG}
else
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