diff -ru sailcut-1.3.5.orig/src/CMakeLists.txt sailcut-1.3.5/src/CMakeLists.txt
--- sailcut-1.3.5.orig/src/CMakeLists.txt	2010-10-19 23:08:35.000000000 +0200
+++ sailcut-1.3.5/src/CMakeLists.txt	2012-01-08 00:23:02.091702163 +0100
@@ -92,7 +92,7 @@
 	set(QT_LIBRARIES ${QT_LIBRARIES} -lopengl32 -lglu32)
 	set_target_properties(sailcut PROPERTIES LINK_FLAGS "-mwindows")
 endif(WIN32)
-target_link_libraries(sailcut sailcpp geocpp ${QT_LIBRARIES})
+target_link_libraries(sailcut sailcpp geocpp ${QT_LIBRARIES} -lGL)
 
 ship_depends(sailcut)
 install(TARGETS sailcut DESTINATION ${SAILCUT_RUNTIME_DIR})