From f05280a466ddcaf51066401f52a83d925e8f0149 Mon Sep 17 00:00:00 2001
From: Pepper Gray <hello@peppergray.xyz>
Date: Mon, 6 Jul 2026 15:33:47 +0200
Subject: [PATCH] crossdev: fix llvm target triplet parsing

crossdev does not correctly handle:
- i468 and i686 -> 'target architecture not supported'
- arm64 -> checks for 'ARM' instead of 'AArch64'

map architectures to proper LLVM_TARGETS

Closes: https://bugs.gentoo.org/978823
Co-authored-by: Mike Gilbert <floppymaster@gmail.com>
Signed-off-by: Pepper Gray <hello@peppergray.xyz>
---
 crossdev | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crossdev b/crossdev
index 25dea3f..e1b3b3b 100755
--- a/crossdev
+++ b/crossdev
@@ -1929,9 +1929,9 @@ if ! ex_fast ; then
 
 		llvm_arch=""
 		case ${CTARGET} in
-			x86*) llvm_arch="X86" ;;
+			i?86*|x86*) llvm_arch="X86" ;;
+			arm64*|aarch64*) llvm_arch="AArch64" ;;
 			arm*) llvm_arch="ARM" ;;
-			aarch64*) llvm_arch="AArch64" ;;
 			riscv*) llvm_arch="RISCV" ;;
 			mips*) llvm_arch="Mips" ;;
 			loongarch*) llvm_arch="LoongArch" ;;