From f0fe0ba1b134f16cc3d7a304963a61ad8dd37080 Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Mon, 11 Apr 2016 12:20:49 +0200
Subject: [PATCH] Check for boost-graph

It will be used to reimplement dijkstra and floyd routings.
---
 CMakeLists.txt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8992f7f1eb..00ebaf2ef0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -263,6 +263,18 @@ else()
   set(HAVE_BOOST_CONTEXTS 0)
 endif()
 
+# Try again to see if we have libboost-context
+find_package(Boost 1.42 COMPONENTS context)
+set(Boost_FOUND 1) # We don't care of whether this component is missing
+
+if(Boost_FOUND AND Boost_GRAPH_FOUND)
+  set(HAVE_BOOST_GRAPH 1)
+else()
+  message ("   boost        : found.")
+  message ("   boost-graph  : missing. Install libboost-graph-dev for this optional feature.")
+  set(HAVE_BOOST_GRAPH 0)
+endif()
+
 # Checks for header libraries functions.
 CHECK_LIBRARY_EXISTS(execinfo backtrace              "" HAVE_BACKTRACE_IN_LIBEXECINFO)
 CHECK_LIBRARY_EXISTS(rt      clock_gettime           "" HAVE_POSIX_GETTIME)
-- 
2.20.1