From d5ceeb5a2d1a44bda98c9ff44cf8d652d938a646 Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Thu, 23 Mar 2017 07:32:00 +0200
Subject: [PATCH] gnu: scotch: Build with flex-2.6.1.

* gnu/packages/maths.scm (scotch)[native-inputs]: Use flex-2.6.1 and not
flex.
---
 gnu/packages/maths.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 166926da150b07bc240036f0f87f8edebe39bab1..ec8316b5f5601cd76f85ad74b3c297b7e6e785bc 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -1799,7 +1799,7 @@ implemented in ANSI C, and MPI for communications.")
     (build-system gnu-build-system)
     (inputs
      `(("zlib" ,zlib)
-       ("flex" ,flex)
+       ("flex" ,flex-2.6.1) ; A bug in flex prevents building with flex-2.6.3.
        ("bison" ,bison)))
     (arguments
      `(#:phases