fdpgen: add linking to cgraph

E.g. layout.c uses agopen from lib/cgraph/graph.c.

This removes the need to link to cgraph for downstream libraries that
do not explicitly use cgraph.

diff --git a/lib/fdpgen/CMakeLists.txt b/lib/fdpgen/CMakeLists.txt
index d0c0d7a4c4a361bb44fd17ad9e4796c7670815db..d6952dbc1b120d7ae5a345aa6414a37db71f1832 100644 (file)
--- a/lib/fdpgen/CMakeLists.txt
+++ b/lib/fdpgen/CMakeLists.txt
@@ -30,5 +30,6 @@ target_include_directories(fdpgen PRIVATE
 )
 
 target_link_libraries(fdpgen PRIVATE
+    cgraph
     pathplan
 )