Index: tools/scan-build-py/libscanbuild/analyze.py
===================================================================
--- tools/scan-build-py/libscanbuild/analyze.py
+++ tools/scan-build-py/libscanbuild/analyze.py
@@ -598,6 +598,7 @@
         funcmap_command.append(opts['file'])
         funcmap_command.append('--')
         funcmap_command.extend(args)
+        funcmap_command.append('-w')
         logging.debug("Generating function map using '%s'", funcmap_command)
         func_src_list = run_command(funcmap_command, cwd=opts['directory'])
         func_ast_list = func_map_list_src_to_ast(func_src_list)