From 10060b29239752f70a1a5a3a514d3f491b7acc57 Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Tue, 1 Nov 2016 00:53:11 +0100
Subject: [PATCH] cmake: better error message

---
 tools/cmake/Modules/FindGraphviz.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/cmake/Modules/FindGraphviz.cmake b/tools/cmake/Modules/FindGraphviz.cmake
index 5e80fa4778..25aa03fb35 100644
--- a/tools/cmake/Modules/FindGraphviz.cmake
+++ b/tools/cmake/Modules/FindGraphviz.cmake
@@ -39,5 +39,5 @@ message(STATUS "Looking for graphviz")
 if(HAVE_GRAPHVIZ)
   message(STATUS "Looking for graphviz - found")
 else()
-  message(STATUS "Looking for graphviz - not found")
+  message(STATUS "Looking for graphviz - not found (try installing libgraphviz-dev)")
 endif()
-- 
2.20.1