[SYCL][E2E] Search for L0 SDK in standalone mode

Signed-off-by: Sarnie, Nick <[email protected]>

Author: sarnex

sycl/test-e2e/CMakeLists.txt

@@ -14,6 +14,21 @@ if(SYCL_TEST_E2E_STANDALONE)
   if( NOT OpenCL_LIBRARY )
     find_package(OpenCL)
   endif()
+  if(NOT DEFINED LEVEL_ZERO_INCLUDE)
+    find_path(LEVEL_ZERO_PATH level_zero/ze_api.h PATH_SUFFIXES include)
+    if(LEVEL_ZERO_PATH)
+      set(LEVEL_ZERO_INCLUDE "${LEVEL_ZERO_PATH}")
+    endif()
+  endif()
+  if(NOT DEFINED LEVEL_ZERO_LIBS_DIR)
+    find_library(LEVEL_ZERO_LIBS_PATH ze_loader)
+    if(LEVEL_ZERO_LIBS_PATH)
+      # We have the path of the lib, get the containing directory
+      # so we can include it.
+      cmake_path(GET LEVEL_ZERO_LIBS_PATH PARENT_PATH LEVEL_ZERO_LIBS_PATH)
+      set(LEVEL_ZERO_LIBS_DIR "${LEVEL_ZERO_LIBS_PATH}")
+    endif()
+  endif()
 else()
   if( NOT OpenCL_LIBRARY )
     set(OpenCL_LIBRARY "${LLVM_BINARY_DIR}/lib")