[llvm] [OFFLOAD] Add plugin with support for Intel oneAPI Level Zero (PR #158900)

[Joseph Huber via llvm-commits]

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@@ -89,4 +89,24 @@ if(LIBOMPTARGET_AMDGPU_ARCH)
   endif()
 endif()
 
+################################################################################
+# Looking for Level0
+################################################################################
+find_path(LIBOMPTARGET_DEP_LEVEL_ZERO_INCLUDE_DIRS NAMES level_zero/ze_api.h)
+
+if(NOT LIBOMPTARGET_DEP_LEVEL_ZERO_INCLUDE_DIRS)
+	set(LIBOMPTARGET_DEP_LEVEL_ZERO_FOUND FALSE)
+  message(STATUS "Could NOT find Level Zero. Missing includes.")
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jhuber6 wrote:

I meant all of them

https://github.com/llvm/llvm-project/pull/158900