ingraphs: add linking to cgraph

E.g. ingraphs.c uses agsetfile from lib/cgraph/scan.l.

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

diff --git a/lib/ingraphs/CMakeLists.txt b/lib/ingraphs/CMakeLists.txt
index 47744ceb116616114f493a937c817318d2f27b00..527f94665ecd0da67894ebe19af4ebd37580f51c 100644 (file)
--- a/lib/ingraphs/CMakeLists.txt
+++ b/lib/ingraphs/CMakeLists.txt
@@ -11,3 +11,7 @@ target_include_directories(ingraphs PRIVATE
     ${GRAPHVIZ_LIB_DIR}/cdt
     ${GRAPHVIZ_LIB_DIR}/cgraph
 )
+
+target_link_libraries(ingraphs PRIVATE
+    cgraph
+)