From 36ae5ac6ef902b608a2f3c4857094790d3ec4186 Mon Sep 17 00:00:00 2001
From: eugeneswalker <38933153+eugeneswalker@users.noreply.github.com>
Date: Mon, 1 Mar 2021 14:54:14 -0800
Subject: [PATCH] kokkos package: +cuda requires +wrapper when compiler is not
 clang (#21941)

This check is performed in cmake_args rather than with a 'conflicts'
statement because matching on !clang (i.e. any compiler that is not
clang) cannot currently be done with our spec syntax.
---
 var/spack/repos/builtin/packages/kokkos/package.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/var/spack/repos/builtin/packages/kokkos/package.py b/var/spack/repos/builtin/packages/kokkos/package.py
index 22fa7709e23..1d8a41c22de 100644
--- a/var/spack/repos/builtin/packages/kokkos/package.py
+++ b/var/spack/repos/builtin/packages/kokkos/package.py
@@ -217,6 +217,11 @@ def setup_dependent_package(self, module, dependent_spec):
 
     def cmake_args(self):
         spec = self.spec
+
+        if spec.satisfies('~wrapper+cuda') and not spec.satisfies('%clang'):
+            raise InstallError("Kokkos requires +wrapper when using +cuda"
+                               "without clang")
+
         options = []
 
         isdiy = "+diy" in spec