From 091fec260031d5d3ac4bf842872f9af01d10ae4a Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <matthieu.schaller@durham.ac.uk>
Date: Thu, 20 Aug 2015 17:58:07 +0100
Subject: [PATCH] Makes MPIRUN modifiable via an environment variable and not
 just as an argument to the script. (Also adds documentation with --help)

Former-commit-id: 65ab9098c4fd505a9ad9266791adbd5226c8809b
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index a3d38e86df..cbdbf5469b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -112,6 +112,9 @@ if test "$enable_mpi" = "yes"; then
 fi
 AM_CONDITIONAL([HAVEMPI],[test $enable_mpi = "yes"])
 
+# Indicate that MPIRUN can be modified by an environement variable
+AC_ARG_VAR(MPIRUN, Path to the mpirun command if non-standard)
+
 # Need C99 and inline support.
 AC_PROG_CC_C99
 AC_C_INLINE
-- 
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