From 26599d692cc4ae563c56a30bdc1e8f03f47c582f Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludovic.courtes@inria.fr>
Date: Mon, 26 Jun 2017 17:00:36 +0200
Subject: gnu: scotch: Build in 64-bit mode on 64-bit machines.

* gnu/packages/maths.scm (scotch)[arguments] <configure>: Add
"INTSIZE64" CPP flag.
---
 gnu/packages/maths.scm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 3c93e2c7ec..851694bd4d 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -1875,6 +1875,7 @@ (define-public scotch
                         '("COMMON_FILE_COMPRESS_GZ"
                           "COMMON_PTHREAD"
                           "COMMON_RANDOM_FIXED_SEED"
+                          "INTSIZE64"             ;use 'long' instead of 'int'
                           ;; Prevents symbolc clashes with libesmumps
                           "SCOTCH_RENAME"
                           ;; XXX: Causes invalid frees in superlu-dist tests
-- 
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