diff -r a7f02b902b6f -r 20ef5bf0dc7f QTfrontend/CMakeLists.txt
--- a/QTfrontend/CMakeLists.txt	Thu Nov 22 01:47:09 2012 +0100
+++ b/QTfrontend/CMakeLists.txt	Thu Nov 22 10:28:07 2012 +0100
@@ -157,7 +157,7 @@
     endif()
 endif()
 
-if(BUILD_ENGINE_LIBRARY)
+if(LIBENGINE)
     add_definitions(-DHWLIBRARY)
     set(HW_LINK_LIBS hwengine ${HW_LINK_LIBS})
     link_directories(${EXECUTABLE_OUTPUT_PATH})