From 4f38754180bc880f6986b333b8e15e63709fb550 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludovic.courtes@inria.fr>
Date: Fri, 11 May 2018 17:16:12 +0200
Subject: [PATCH] gnu: arpack-ng-openmpi: Fix build.

* gnu/packages/maths.scm (arpack-ng-openmpi)[arguments]: Inherit
arguments from ARPACK-NG.  Previously the 'configure' phase would fail
due to the lack of a 'configure' script.
---
 gnu/packages/maths.scm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index edbbdfffb7..6387f71582 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -479,7 +479,10 @@ (define-public arpack-ng-openmpi
     (inputs
      `(("mpi" ,openmpi)
        ,@(package-inputs arpack-ng)))
-    (arguments `(#:configure-flags '("--enable-mpi")))
+    (arguments
+     (substitute-keyword-arguments (package-arguments arpack-ng)
+       ((#:configure-flags _ '())
+        ''("--enable-mpi"))))
     (synopsis "Fortran subroutines for solving eigenvalue problems with MPI")))
 
 (define-public lapack