Fix compiler warnings with OpenCL + oneAPI 2021.4

diff --git a/src/gromacs/gpu_utils/device_context_ocl.cpp b/src/gromacs/gpu_utils/device_context_ocl.cpp
index b342d249911e71225c8fbd8bfe4fcb73f11fd92a..7cd75a04db3db9720b7bd13f46578832282ac016 100644 (file)
--- a/src/gromacs/gpu_utils/device_context_ocl.cpp
+++ b/src/gromacs/gpu_utils/device_context_ocl.cpp
@@ -55,10 +55,18 @@
 /*! \brief Copies of values from cl_driver_diagnostics_intel.h,
  * which isn't guaranteed to be available. */
 /**@{*/
-#    define CL_CONTEXT_SHOW_DIAGNOSTICS_INTEL 0x4106
-#    define CL_CONTEXT_DIAGNOSTICS_LEVEL_GOOD_INTEL 0x1
-#    define CL_CONTEXT_DIAGNOSTICS_LEVEL_BAD_INTEL 0x2
-#    define CL_CONTEXT_DIAGNOSTICS_LEVEL_NEUTRAL_INTEL 0x4
+#    ifndef CL_CONTEXT_SHOW_DIAGNOSTICS_INTEL
+#        define CL_CONTEXT_SHOW_DIAGNOSTICS_INTEL 0x4106
+#    endif
+#    ifndef CL_CONTEXT_DIAGNOSTICS_LEVEL_GOOD_INTEL
+#        define CL_CONTEXT_DIAGNOSTICS_LEVEL_GOOD_INTEL 0x1
+#    endif
+#    ifndef CL_CONTEXT_DIAGNOSTICS_LEVEL_BAD_INTEL
+#        define CL_CONTEXT_DIAGNOSTICS_LEVEL_BAD_INTEL 0x2
+#    endif
+#    ifndef CL_CONTEXT_DIAGNOSTICS_LEVEL_NEUTRAL_INTEL
+#        define CL_CONTEXT_DIAGNOSTICS_LEVEL_NEUTRAL_INTEL 0x4
+#    endif
 /**@}*/
 
 DeviceContext::DeviceContext(const DeviceInformation& deviceInfo) : deviceInfo_(deviceInfo)