FIND_PROGRAM(GRAPHVIZ_EXECUTABLE dot)
FIND_PATH(GRAPHVIZ_INCLUDE_DIR NAMES graphviz/graph.h)
-SET(GRAPHVIZ_INCLUDE_DIR ${GRAPHVIZ_INCLUDE_DIR}/graphviz)
+SET(GRAPHVIZ_INCLUDE_DIRS ${GRAPHVIZ_INCLUDE_DIR} ${GRAPHVIZ_INCLUDE_DIR}/graphviz)
FIND_LIBRARY(GRAPHVIZ_cdt_LIBRARY NAMES cdt)
FIND_LIBRARY(GRAPHVIZ_cgraph_LIBRARY NAMES cgraph)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Graphviz REQUIRED_VARS
GRAPHVIZ_EXECUTABLE
GRAPHVIZ_LIBRARIES
- GRAPHVIZ_INCLUDE_DIR)
+ GRAPHVIZ_INCLUDE_DIRS)