Disable /WX for clang-cl

cmake/CompilerWarnings.cmake

@@ -69,6 +69,12 @@ function(set_file_warnings)
         ${NON_ANDROID_CLANG_AND_GCC_WARNINGS}
     )
     
+    # For now if we're using MSVC-like clang interface on Windows
+    # we'll disable warnings as errors 
+    if(SFML_OS_WINDOWS AND SFML_COMPILER_CLANG_CL)
+        set(WARNINGS_AS_ERRORS FALSE)
+    endif()
+    
     if(WARNINGS_AS_ERRORS)
         set(CLANG_AND_GCC_WARNINGS ${CLANG_AND_GCC_WARNINGS} -Werror)
         set(MSVC_WARNINGS ${MSVC_WARNINGS} /WX)

cmake/Config.cmake

@@ -107,6 +107,11 @@ if(MSVC)
     elseif(MSVC_VERSION LESS_EQUAL 1939)
         set(SFML_MSVC_VERSION 17)
     endif()
+	
+	if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+		set(SFML_COMPILER_CLANG_CL 1)
+	endif()
+	
 elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     set(SFML_COMPILER_CLANG 1)