[From Arnaud Giersch] In standard C, we are allowed to initialize a variable with...

[simgrid.git] / buildtools / Cmake / Option.cmake

diff --git a/buildtools/Cmake/Option.cmake b/buildtools/Cmake/Option.cmake
index a3e2766..5650bbd 100644 (file)
--- a/buildtools/Cmake/Option.cmake
+++ b/buildtools/Cmake/Option.cmake
@@ -4,7 +4,15 @@
 if(APPLE AND NOT CGRAPH_PATH)
        set(CGRAPH_PATH "/opt/local/include/graphviz" CACHE PATH "Path to cgraph.h")
 else(APPLE AND NOT CGRAPH_PATH)
-       set(CGRAPH_PATH "/usr/include/graphviz" CACHE PATH "Path to cgraph.h")
+
+       if(EXISTS "/usr/include/graphviz")
+               set(include_graphviz "/usr/include/graphviz")
+       endif(EXISTS "/usr/include/graphviz")
+       if(EXISTS "/usr/local/include/graphviz")
+               set(include_graphviz "/usr/local/include/graphviz")
+       endif(EXISTS "/usr/local/include/graphviz")
+       
+       set(CGRAPH_PATH ${include_graphviz} CACHE PATH "Path to cgraph.h")
 endif(APPLE AND NOT CGRAPH_PATH)
 
 set(BIBTEX2HTML ${BIBTEX2HTML} CACHE PATH "Path to bibtex2html")