From 8f62039d45ec6545d0a226611bdf8998665844d8 Mon Sep 17 00:00:00 2001
From: "Seth R. Johnson" <johnsonsr@ornl.gov>
Date: Mon, 11 Oct 2021 11:49:23 -0400
Subject: llvm: add conflict for newer apple-clang versions (#26633)
---
var/spack/repos/builtin/packages/llvm/package.py | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/var/spack/repos/builtin/packages/llvm/package.py b/var/spack/repos/builtin/packages/llvm/package.py
index f945248230..7a2efb559b 100644
--- a/var/spack/repos/builtin/packages/llvm/package.py
+++ b/var/spack/repos/builtin/packages/llvm/package.py
@@ -192,10 +192,11 @@ class Llvm(CMakePackage, CudaPackage):
# Introduced in version 11 as a part of LLVM and not a separate package.
conflicts("+flang", when="@:10")
- # Older LLVM do not build with newer GCC
+ # Older LLVM do not build with newer compilers, and vice versa
conflicts("%gcc@11:", when="@:7")
conflicts("%gcc@8:", when="@:5")
conflicts("%gcc@:5.0", when="@8:")
+ conflicts("%apple-clang@13:", when="@:9")
# libc++ of LLVM13, see https://libcxx.llvm.org/#platform-and-compiler-support
# @13 does not support %gcc@:10 https://bugs.llvm.org/show_bug.cgi?id=51359#c1
--
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