add_subdirectory( pics )
add_subdirectory( tests )
-include_directories( ${KDE4_INCLUDE_DIR} ${QT_INCLUDES} ${BLITZ_INCLUDES} ${SOPRANO_INCLUDE_DIR} )
+macro_optional_find_package(Soprano)
+
+include_directories( ${KDE4_INCLUDE_DIR} ${QT_INCLUDES} ${BLITZ_INCLUDES} )
+if (Soprano_FOUND)
+ include_directories( ${SOPRANO_INCLUDE_DIR} )
+endif (Soprano_FOUND)
########### next target ###############