--- src/plugins/grass/CMakeLists.txt.orig	2015-10-23 12:10:38 UTC
+++ src/plugins/grass/CMakeLists.txt
@@ -195,6 +195,7 @@ MACRO(ADD_GRASSPLUGIN GRASS_BUILD_VERSIO
       qgis_app
       qgis_gui
       ${OPENPTY_LIBRARY}
+      -lulog
     )
 
     IF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")