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-rw-r--r--var/spack/repos/builtin/packages/vtk-m/package.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/vtk-m/package.py b/var/spack/repos/builtin/packages/vtk-m/package.py
index 5eb7a68cdb..ca914fd662 100644
--- a/var/spack/repos/builtin/packages/vtk-m/package.py
+++ b/var/spack/repos/builtin/packages/vtk-m/package.py
@@ -89,6 +89,9 @@ class VtkM(CMakePackage, CudaPackage):
conflicts("+hip", when="+cuda")
+ conflicts("+cuda", when="cuda_arch=none",
+ msg="vtk-m +cuda requires that cuda_arch be set")
+
def cmake_args(self):
spec = self.spec
options = []