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-rw-r--r--var/spack/repos/builtin/packages/llvm/package.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/llvm/package.py b/var/spack/repos/builtin/packages/llvm/package.py
index f368cd72f9..6469f28c03 100644
--- a/var/spack/repos/builtin/packages/llvm/package.py
+++ b/var/spack/repos/builtin/packages/llvm/package.py
@@ -200,6 +200,11 @@ class Llvm(CMakePackage, CudaPackage):
"system debug server",
)
+ # LLVM bug https://bugs.llvm.org/show_bug.cgi?id=48234
+ # CMake bug: https://gitlab.kitware.com/cmake/cmake/-/issues/21469
+ # Fixed in upstream versions of both
+ conflicts('^cmake@3.19.0', when='@6.0.0:11.0.0')
+
# Github issue #4986
patch("llvm_gcc7.patch", when="@4.0.0:4.0.1+lldb %gcc@7.0:")
# Backport from llvm master + additional fix