From 51bfc7d3b189e747597f22fbb71d2821d1cb504d Mon Sep 17 00:00:00 2001
From: Andreas Enge <andreas@enge.fr>
Date: Thu, 16 Oct 2025 14:37:35 +0200
Subject: [PATCH] gnu: n2p2: Fix build.

* gnu/packages/maths.scm (n2p2)[arguments]<#:phases>{post-unpack}:
  Patch "shell" to "bash" in makefile.

Change-Id: Ib4973c195197415e1ac514b449247bc7f750a359
---
 gnu/packages/maths.scm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index c0987f699e506e25b8e1e64838a26f308aad70f0..72fc9f87bac95919d8b05ab5ce80be634b1d8897 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -2674,6 +2674,8 @@ scientific data storage.")
        (modify-phases %standard-phases
          (add-after 'unpack 'post-unpack
            (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* "src/makefile"
+               (("shell") "bash"))
              (substitute* "src/makefile.gnu"
                (("PROJECT_EIGEN=/usr/include/eigen3")
                 (string-append "PROJECT_EIGEN="