diff -u -r scim-hangul-0.3.2.orig/src/scim_hangul_imengine.cpp scim-hangul-0.3.2/src/scim_hangul_imengine.cpp
--- scim-hangul-0.3.2.orig/src/scim_hangul_imengine.cpp	2006-10-23 20:42:47.000000000 +0800
+++ scim-hangul-0.3.2/src/scim_hangul_imengine.cpp	2008-03-03 14:18:09.000000000 +0800
@@ -33,6 +33,7 @@
 #endif
 
 #include <cstring>
+#include <unistd.h>
 #include <scim.h>
 #include "scim_hangul_imengine.h"