From 67ce43c0d3664ea1f45b155e8e8857cf30e02c46 Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Tue, 6 Jul 2021 15:52:49 +0300
Subject: gnu: openblas: Fix building on armhf-linux.

* gnu/packages/maths.scm (openblas)[arguments]: Add make-flag to set
target architecture.
---
 gnu/packages/maths.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 93b8ee2ad4..3d3d20d609 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -3858,6 +3858,9 @@ parts of it.")
                   ;; On aarch64 force the generic 'armv8-a' target
                   ((string-prefix? "aarch64" system)
                    '("TARGET=ARMV8"))
+                  ;; Failed to detect CPU.
+                  ((string-prefix? "armhf" system)
+                   '("TARGET=ARMV7"))
                   (else '()))))
        ;; no configure script
        #:phases
-- 
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