From: Timo Heister <timo.heister@gmail.com>
Date: Thu, 5 Nov 2015 14:12:33 +0000 (-0500)
Subject: step-45 requires MPI and Trilinos
X-Git-Tag: v8.4.0-rc2~248^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=701c88b3451cd8cb6e0d85aadd4cb6eddf97df7f;p=dealii.git

step-45 requires MPI and Trilinos
---

diff --git a/examples/step-45/CMakeLists.txt b/examples/step-45/CMakeLists.txt
index 4ad8df9fad..8a525dda7a 100644
--- a/examples/step-45/CMakeLists.txt
+++ b/examples/step-45/CMakeLists.txt
@@ -34,6 +34,21 @@ IF(NOT ${deal.II_FOUND})
     )
 ENDIF()
 
+#
+# Are all dependencies fulfilled?
+#
+IF( NOT DEAL_II_WITH_MPI OR
+    NOT DEAL_II_WITH_P4EST OR
+    NOT DEAL_II_WITH_TRILINOS )
+  MESSAGE(FATAL_ERROR "
+Error! The deal.II library found at ${DEAL_II_PATH} was not configured with
+    DEAL_II_WITH_MPI = ON
+    DEAL_II_WITH_P4EST = ON
+    DEAL_II_WITH_TRILINOS = ON
+One or all of these are OFF in your installation but are required for this tutorial step."
+    )
+ENDIF()
+
 DEAL_II_INITIALIZE_CACHED_VARIABLES()
 PROJECT(${TARGET})
 DEAL_II_INVOKE_AUTOPILOT()