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llvm.eclass: add tuple -> LLVM_TARGETS translate function

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To be used in support of dev-lang/rust under crossdev.  Cross-compiled
rust needs LLVM with support for both host and destination targets.

Bug: https://bugs.gentoo.org/680652
Signed-off-by: Matoro Mahri <matoro_gentoo@matoro.tk>
Closes: https://github.com/gentoo/gentoo/pull/33996
Signed-off-by: Sam James <sam@gentoo.org>
This commit is contained in:
Matoro Mahri
2023-11-25 23:32:02 -05:00
committed by Sam James
parent 532683a48c
commit aa19bed00f
1 changed files with 31 additions and 0 deletions
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31
eclass/llvm.eclass
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@@ -174,6 +174,37 @@ get_llvm_prefix() {
echo "${prefix}/usr/lib/llvm/$(get_llvm_slot "${@}")"
}
# @FUNCTION: llvm_tuple_to_target
# @USAGE: [<tuple>]
# @DESCRIPTION:
# Translate a tuple into a target suitable for LLVM_TARGETS.
# Defaults to ${CHOST} if not specified.
llvm_tuple_to_target() {
debug-print-function ${FUNCNAME} "${@}"
case ${1:-${CHOST}} in
aarch64*) echo "AArch64";;
amdgcn*) echo "AMDGPU";;
arc*) echo "ARC";;
arm*) echo "ARM";;
avr*) echo "AVR";;
bpf*) echo "BPF";;
csky*) echo "CSKY";;
loong*) echo "LoongArch";;
m68k*) echo "M68k";;
mips*) echo "Mips";;
msp430*) echo "MSP430";;
nvptx*) echo "NVPTX";;
powerpc*) echo "PowerPC";;
riscv*) echo "RISCV";;
sparc*) echo "Sparc";;
s390*) echo "SystemZ";;
x86_64*|i?86*) echo "X86";;
xtensa*) echo "Xtensa";;
*) die "Unknown LLVM target for tuple ${1:-${CHOST}}"
esac
}
# @FUNCTION: llvm_fix_clang_version
# @USAGE: <variable-name>...
# @DESCRIPTION: