From 0702a4ad8ef3ad146aaecd2cd151cd011e6e7a75 Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Thu, 19 Mar 2026 13:53:47 +0200
Subject: [PATCH] gnu: fasthenry: Build with gcc-7.

* gnu/packages/engineering.scm (fasthenry)[native-inputs]: Remove gcc-9,
add gcc-7.

Change-Id: Ib9a57bebf871134f73d43aa17565067a35e5d8df
---
 gnu/packages/engineering.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index c9959224c4..e21b5fac75 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -536,7 +536,7 @@ multipole-accelerated algorithm.")
                                        "fasthenry-spUtils.patch"
                                        "fasthenry-spSolve.patch"
                                        "fasthenry-spFactor.patch"))))
-    (native-inputs (list gcc-9))
+    (native-inputs (list gcc-7))
     (build-system gnu-build-system)
     (arguments
      (list #:make-flags #~(list "CC=gcc" "RM=rm" "SHELL=sh" "all")