diff -ru silc-client-1.1.5/apps/irssi/src/core/misc.h silc-client-1.1.5-patched/apps/irssi/src/core/misc.h
--- silc-client-1.1.5/apps/irssi/src/core/misc.h	2008-03-14 07:05:55.000000000 -0500
+++ silc-client-1.1.5-patched/apps/irssi/src/core/misc.h	2008-09-12 23:38:48.000000000 -0500
@@ -1,6 +1,10 @@
 #ifndef __MISC_H
 #define __MISC_H
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 /* str should be type char[MAX_INT_STRLEN] */
 #define ltoa(str, num) \
 	g_snprintf(str, sizeof(str), "%d", num)
diff -ru silc-client-1.1.5/apps/irssi/src/perl/module.h silc-client-1.1.5-patched/apps/irssi/src/perl/module.h
--- silc-client-1.1.5/apps/irssi/src/perl/module.h	2008-03-14 07:05:55.000000000 -0500
+++ silc-client-1.1.5-patched/apps/irssi/src/perl/module.h	2008-09-12 23:39:28.000000000 -0500
@@ -1,3 +1,7 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #ifdef NEED_PERL_H
 #  include <EXTERN.h>
 #  ifndef _SEM_SEMUN_UNDEFINED