diff -ru 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	2012-08-05 17:49:59.369710152 +0200
+++ scim-hangul-0.3.2/src/scim_hangul_imengine.cpp	2012-08-05 17:50:16.401614147 +0200
@@ -34,6 +34,7 @@
 #endif
 
 #include <cstring>
+#include <unistd.h>
 #include <scim.h>
 #include "scim_hangul_imengine.h"