Merge pull request #40 from Jiboo/master

Don't append definitions if already cached
bombela · Sep 27, 2016 · 54fc561 · 54fc561
2 parents dbb0e77 + 998f176
commit 54fc561
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/BackwardMacros.cmake b/BackwardMacros.cmake
@@ -104,8 +104,10 @@ macro(map_definitions var_prefix define_prefix)
 	endforeach()
 endmacro()
 
-map_definitions("STACK_WALKING_" "BACKWARD_HAS_" UNWIND BACKTRACE)
-map_definitions("STACK_DETAILS_" "BACKWARD_HAS_" BACKTRACE_SYMBOL DW BFD)
+if (NOT BACKWARD_DEFINITIONS)
+	map_definitions("STACK_WALKING_" "BACKWARD_HAS_" UNWIND BACKTRACE)
+	map_definitions("STACK_DETAILS_" "BACKWARD_HAS_" BACKTRACE_SYMBOL DW BFD)
+endif()
 
 foreach(def ${BACKWARD_DEFINITIONS})
 	message(STATUS "${def}")