From: Denis Davydov <davydden@gmail.com>
Date: Tue, 23 Jan 2018 07:33:19 +0000 (+0100)
Subject: fix CHECK_MPI_INTERFACE for CMake 3.10
X-Git-Tag: v9.0.0-rc1~534^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b79ae1243478306bb3a0173954cff5044ff6e9e;p=dealii.git

fix CHECK_MPI_INTERFACE for CMake 3.10
---

diff --git a/cmake/macros/macro_check_mpi_interface.cmake b/cmake/macros/macro_check_mpi_interface.cmake
index 479cc55bd8..4a3aa0bc5e 100644
--- a/cmake/macros/macro_check_mpi_interface.cmake
+++ b/cmake/macros/macro_check_mpi_interface.cmake
@@ -22,7 +22,7 @@
 #
 
 MACRO(CHECK_MPI_INTERFACE _feature _var)
-  IF(DEAL_II_WITH_MPI)
+  IF(DEAL_II_WITH_MPI AND MPI_LIBRARIES)
 
     SET(_nope FALSE)