From 0d29bc00ec4bf0b669506dc9ec1f0ad99a664944 Mon Sep 17 00:00:00 2001
From: kwryankrattiger <80296582+kwryankrattiger@users.noreply.github.com>
Date: Tue, 23 Aug 2022 01:24:56 -0500
Subject: Kokkos: ROCm and CUDA are not compatible in Kokkos (#32181)

---
 var/spack/repos/builtin/packages/kokkos/package.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/var/spack/repos/builtin/packages/kokkos/package.py b/var/spack/repos/builtin/packages/kokkos/package.py
index f2107bd7b5..ef08372d0d 100644
--- a/var/spack/repos/builtin/packages/kokkos/package.py
+++ b/var/spack/repos/builtin/packages/kokkos/package.py
@@ -172,6 +172,7 @@ class Kokkos(CMakePackage, CudaPackage, ROCmPackage):
     for dev in devices_variants:
         dflt, desc = devices_variants[dev]
         variant(dev, default=dflt, description=desc)
+    conflicts("+cuda", when="+rocm", msg="CUDA and ROCm are not compatible in Kokkos.")
 
     options_values = list(options_variants.keys())
     for opt in options_values:
-- 
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