SWDEV-366831 - Compile time flag to switch between #warning and #error message

Using backward compatibility paths will provide an #error message. Compile time option added to enable/disable the #error message.
Disabling the same will provide a #warning message

Change-Id: I6abc236e810ccc38d3636074e0e8f5a9657c2e9a

src/CMakeLists.txt

@@ -247,5 +247,19 @@ if(NOT ENABLE_ASAN_PACKAGING)
 endif()
 
 if(FILE_REORG_BACKWARD_COMPATIBILITY)
+## To enable/disable #error in wrapper header files
+  if(NOT DEFINED ROCM_HEADER_WRAPPER_WERROR)
+    if(DEFINED ENV{ROCM_HEADER_WRAPPER_WERROR})
+      set(ROCM_HEADER_WRAPPER_WERROR "$ENV{ROCM_HEADER_WRAPPER_WERROR}"
+                CACHE STRING "Header wrapper warnings as errors.")
+    else()
+      set(ROCM_HEADER_WRAPPER_WERROR "ON" CACHE STRING "Header wrapper warnings as errors.")
+    endif()
+  endif()
+  if(ROCM_HEADER_WRAPPER_WERROR)
+    set(deprecated_error 1)
+  else()
+    set(deprecated_error 0)
+  endif()
   include(${PROJECT_SOURCE_DIR}/roctracer-backward-compat.cmake)
 endif()