From 5aa67adff3a51f79b396228fb693ef840a2c83c1 Mon Sep 17 00:00:00 2001
From: Fabien Castan <faca@mikrosimage.eu>
Date: Tue, 10 Mar 2015 16:45:28 +0100
Subject: [PATCH] cmake: add message for uninitialized submodules

Issue #239
---
 src/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c58b2a7b2a..994693387b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -144,6 +144,11 @@ ENDIF(MOSEK_FOUND)
 
 #- osi_clp (linear programming interface)
 # ==============================================================================
+if(NOT EXISTS ${PROJECT_SOURCE_DIR}/dependencies/osi_clp/Clp)
+    message(FATAL_ERROR
+            "\n'osi_clp' submodule is missing, please update your repository:\n"
+            "  > git submodule update -i\n")
+endif()
 ADD_SUBDIRECTORY(dependencies/osi_clp)
 INCLUDE_DIRECTORIES(
   ./dependencies/osi_clp/CoinUtils/src/