[SYCL] Fix a few warnings during build scripts configuration (#5082)

Author: denis-kabanov

libclc/CMakeLists.txt

@@ -85,7 +85,7 @@ set(LIBCLC_TARGET_TO_TEST)
 foreach ( t ${LIBCLC_TEST_TARGETS_ALL})
 	if( ${t} IN_LIST LIBCLC_TARGETS_TO_BUILD )
 		list( APPEND LIBCLC_TARGET_TO_TEST "${t}" )
-	endif(t)
+	endif( ${t} IN_LIST LIBCLC_TARGETS_TO_BUILD )
 endforeach(t)
 
 execute_process( COMMAND ${LLVM_CONFIG} "--system-libs"

opencl/CMakeLists.txt

@@ -4,11 +4,11 @@ include(FetchContent)
 
 # Suppress warnings related to dependencies
 if (MSVC)
-add_definitions(
-      -wd4133 # Suppress ''function': incompatible types - from 'char [9]' to 'LPCWSTR''
-      -wd4152 # Suppress 'nonstandard extension, function/data pointer conversion in expression'
-      -wd4201 # Suppress 'nonstandard extension used: nameless struct/union'
-)
+  add_definitions(
+    -wd4133 # Suppress ''function': incompatible types - from 'char [9]' to 'LPCWSTR''
+    -wd4152 # Suppress 'nonstandard extension, function/data pointer conversion in expression'
+    -wd4201 # Suppress 'nonstandard extension used: nameless struct/union'
+  )
 endif()
 
 # Repo URLs

sycl/CMakeLists.txt

@@ -49,6 +49,7 @@ if(MSVC)
   # Skip asynchronous C++ exceptions catching and assume "extern C" functions
   # never throw C++ exceptions.
   set(LLVM_REQUIRES_EH ON)
+  set(LLVM_REQUIRES_RTTI ON)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
 
   # Add PDB debug information