From 4ee22bef8b4cebdc98311329547406dd7ebeea06 Mon Sep 17 00:00:00 2001
From: Arnaud Giersch <arnaud.giersch@iut-bm.univ-fcomte.fr>
Date: Sat, 27 Oct 2012 19:21:19 +0200
Subject: [PATCH] A C++ compiler is required for gtnets and ns3.

---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 05b9c0e535..8e9a8daf42 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,9 @@ if(WIN32)
   SET(CMAKE_RC_COMPILER "windres")
 endif()
 project(SimGrid C)
+if (enable_gtnets OR enable_ns3)
+  enable_language(CXX)
+endif()
 
 set(CMAKE_C_FLAGS "" CACHE TYPE INTERNAL FORCE)
 set(CMAKE_CXX_FLAGS "" CACHE TYPE INTERNAL FORCE)
-- 
2.20.1