From 968ae903189c6c4a41c0e2cddf41ffc5a8c32f93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Wed, 25 Nov 2015 16:58:59 +0100
Subject: build: Reject ARMv6 systems.

Fixes <http://bugs.gnu.org/21987>.
Reported by Martin Vahi <martin.vahi@softf1.com>.

* m4/guix.m4 (GUIX_SYSTEM_TYPE): Restrict ARM systems to arm|armv[7-9].
---
 m4/guix.m4 | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'm4')

diff --git a/m4/guix.m4 b/m4/guix.m4
index 842249a848..8e1cfa037c 100644
--- a/m4/guix.m4
+++ b/m4/guix.m4
@@ -50,8 +50,13 @@ AC_DEFUN([GUIX_SYSTEM_TYPE], [
        i*86)
 	  machine_name="i686";;
        amd64)
-	  machine_name="x86_64";;
-       arm*)
+          machine_name="x86_64";;
+       arm|armv[7-9]*)
+          # Here we want to exclude CPUs such as "armv6l".  On ARMv7
+          # machines, we normally get "armv7l".  However, in Guix, we
+          # configure with --build=arm-unknown-linux-gnueabihf, leading
+          # to just "arm", so we also have to allow it.
+          #
           # TODO: If not cross-compiling, add a sanity check to make
           #       sure this build machine has the needed features to
           #       support executables compiled using our armhf gcc,
-- 
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