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


[ROCm/roctracer commit: ea061be2d1]

projects/roctracer/header_template.hpp.in

@@ -23,11 +23,18 @@
 #ifndef @include_guard@
 #define @include_guard@
 
-#if defined(__GNUC__)
+#ifndef ROCM_HEADER_WRAPPER_WERROR
+#define ROCM_HEADER_WRAPPER_WERROR @deprecated_error@
+#endif
+#if ROCM_HEADER_WRAPPER_WERROR  /* ROCM_HEADER_WRAPPER_WERROR 1 */
 #error "This file is deprecated. Use file from include path /opt/rocm-ver/include/ and prefix with roctracer"
+#else      /* ROCM_HEADER_WRAPPER_WERROR 0 */
+#if defined(__GNUC__)
+#warning "This file is deprecated. Use file from include path /opt/rocm-ver/include/ and prefix with roctracer"
 #else
 #pragma message("This file is deprecated. Use file from include path /opt/rocm-ver/include/ and prefix with roctracer")
 #endif
+#endif /* ROCM_HEADER_WRAPPER_WERROR */
 
 @include_statements@
 

projects/roctracer/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()