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-rw-r--r--var/spack/repos/builtin/packages/llvm/package.py5
1 files changed, 1 insertions, 4 deletions
diff --git a/var/spack/repos/builtin/packages/llvm/package.py b/var/spack/repos/builtin/packages/llvm/package.py
index 690987b61b..476cf20879 100644
--- a/var/spack/repos/builtin/packages/llvm/package.py
+++ b/var/spack/repos/builtin/packages/llvm/package.py
@@ -165,6 +165,7 @@ class Llvm(CMakePackage, CudaPackage):
variant(
"omp_as_runtime",
default=True,
+ when='+clang @12:',
description="Build OpenMP runtime via ENABLE_RUNTIME by just-built Clang",
)
variant('code_signing', default=False,
@@ -268,10 +269,6 @@ class Llvm(CMakePackage, CudaPackage):
# OMP TSAN exists in > 5.x
conflicts("+omp_tsan", when="@:5")
- # OpenMP via ENABLE_RUNTIME restrictions
- conflicts("+omp_as_runtime", when="~clang", msg="omp_as_runtime requires clang being built.")
- conflicts("+omp_as_runtime", when="@:11.1", msg="omp_as_runtime works since LLVM 12.")
-
# cuda_arch value must be specified
conflicts("cuda_arch=none", when="+cuda", msg="A value for cuda_arch must be specified.")