From 3e017cedaa6de3b79a40cf165fa03d4d9172fd16 Mon Sep 17 00:00:00 2001
From: Janus Troelsen <ysangkok@gmail.com>
Date: Mon, 17 Jul 2017 11:39:20 +0200
Subject: [PATCH] Do not error when MPI is missing

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 96d2ebeb00..e29c9dfd9c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -686,7 +686,7 @@ endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
                 link_libraries(${OPENMPI_LIBRARIES})
                 find_file(MpidotH mpi.h PATHS ${OPENMPI_INCLUDE_DIRS} NO_DEFAULT_PATH)
                 if(NOT MpidotH)
-                    message( FATAL_ERROR "mpi.h was not found. Check for error above.")
+                    message( WARNING "mpi.h was not found. Check for error above.")
                 endif()
             endif()
             find_package(MEDFile REQUIRED)