From a38beeaed2745c848eb9ff0e2dc670810d1f00fe Mon Sep 17 00:00:00 2001
From: kwryankrattiger <80296582+kwryankrattiger@users.noreply.github.com>
Date: Mon, 22 Aug 2022 09:13:59 -0500
Subject: HPX: ROCm and Cuda conflict needed (#32178)

Discovered this missing conflict when building the e4s enviroment with
unify:when_possible. #31940
---
 var/spack/repos/builtin/packages/hpx/package.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'var')

diff --git a/var/spack/repos/builtin/packages/hpx/package.py b/var/spack/repos/builtin/packages/hpx/package.py
index 23176aadc9..f62a939428 100644
--- a/var/spack/repos/builtin/packages/hpx/package.py
+++ b/var/spack/repos/builtin/packages/hpx/package.py
@@ -124,6 +124,9 @@ class Hpx(CMakePackage, CudaPackage, ROCmPackage):
     depends_on("papi", when="instrumentation=papi")
     depends_on("valgrind", when="instrumentation=valgrind")
 
+    # Only ROCm or CUDA maybe be enabled at once
+    conflicts("+rocm", when="+cuda")
+
     # Restrictions for 1.8.X
     with when("@1.8:"):
         conflicts("cxxstd=14")
-- 
cgit v1.2.3-70-g09d2