--- wiLink-2.4.2/src/app/CMakeLists.txt.orig	2013-03-12 09:55:15.000000000 +0100
+++ wiLink-2.4.2/src/app/CMakeLists.txt	2013-06-26 15:27:29.000000000 +0200
@@ -19,6 +19,8 @@
 if(APPLE)
     list(APPEND app_SOURCES application_mac.mm)
     list(APPEND app_LIBRARIES "-framework AppKit")
+elseif(UNIX)
+    list(APPEND app_LIBRARIES X11)
 endif()
 
 qt4_wrap_cpp(app_MOC_SOURCES ${app_MOC_HEADERS})