The gvc, cgraph, .. libraries are already linked to kgraphviewerlib.
--- src/part/CMakeLists.txt.orig	2017-09-27 13:15:56 UTC
+++ src/part/CMakeLists.txt
@@ -79,7 +79,7 @@ set( kgraphviewerpart_PART_SRCS kgraphvi
 add_library(kgraphviewerpart MODULE ${kgraphviewerpart_PART_SRCS})
 generate_export_header(kgraphviewerpart BASE_NAME kgraphviewer)
 
-target_link_libraries(kgraphviewerpart Qt5::Core KF5::Parts gvc cgraph pathplan cdt kgraphviewerlib)
+target_link_libraries(kgraphviewerpart Qt5::Core KF5::Parts kgraphviewerlib)
 
 install( TARGETS kgraphviewerpart DESTINATION ${KDE_INSTALL_PLUGINDIR})
 
