--- gcc-4.7.2/fixincludes/fixincl.x.orig	2013-02-14 20:28:30.011000042 +0100
+++ gcc-4.7.2/fixincludes/fixincl.x	2013-02-14 20:28:54.381319441 +0100
@@ -3453,7 +3453,7 @@
  *  content selection pattern - do fix if pattern found
  */
 tSCC zHpux10_Stdio_DeclarationsSelect0[] =
-       "^#[ \t]*define _iob[ \t]*__iob";
+       "^#[ \t]*define _iob[ \t]*__iob$";
 
 /*
  *  content bypass pattern - skip fix if pattern found