--- giscanner/scannerlexer.l.orig	2013-08-18 07:37:16.000000000 +0900
+++ giscanner/scannerlexer.l	2013-08-18 07:40:32.000000000 +0900
@@ -134,7 +134,7 @@
 ","					{ return ','; }
 "->"					{ return ARROW; }
 
-"__asm" 	        	        { if (!parse_ignored_macro()) REJECT; }
+"__asm"[\t\f\v\r ]+"volatile" 	        { if (!parse_ignored_macro()) REJECT; }
 "__asm__" 	        	        { if (!parse_ignored_macro()) REJECT; }
 "__attribute__" 		        { if (!parse_ignored_macro()) REJECT; }
 "__attribute" 		                { if (!parse_ignored_macro()) REJECT; }