Index: head/lib/clang/llvm.build.mk
===================================================================
--- head/lib/clang/llvm.build.mk
+++ head/lib/clang/llvm.build.mk
@@ -33,11 +33,11 @@
 VENDOR=		unknown
 OS_VERSION=	freebsd12.0
 
-TARGET_TRIPLE?=	${TARGET_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${VENDOR}-${OS_VERSION}${TARGET_ABI}
-BUILD_TRIPLE?=	${BUILD_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${VENDOR}-${OS_VERSION}
+LLVM_TARGET_TRIPLE?=	${TARGET_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${VENDOR}-${OS_VERSION}${TARGET_ABI}
+LLVM_BUILD_TRIPLE?=	${BUILD_ARCH:C/amd64/x86_64/:C/arm64/aarch64/}-${VENDOR}-${OS_VERSION}
 
-CFLAGS+=	-DLLVM_DEFAULT_TARGET_TRIPLE=\"${TARGET_TRIPLE}\"
-CFLAGS+=	-DLLVM_HOST_TRIPLE=\"${BUILD_TRIPLE}\"
+CFLAGS+=	-DLLVM_DEFAULT_TARGET_TRIPLE=\"${LLVM_TARGET_TRIPLE}\"
+CFLAGS+=	-DLLVM_HOST_TRIPLE=\"${LLVM_BUILD_TRIPLE}\"
 CFLAGS+=	-DDEFAULT_SYSROOT=\"${TOOLS_PREFIX}\"
 
 CFLAGS+=	-ffunction-sections