From c1947a8c7df950d19d10df44e683b8860b14b321 Mon Sep 17 00:00:00 2001
From: Marius Bakke <marius@gnu.org>
Date: Tue, 18 May 2021 23:25:15 +0200
Subject: gnu: ntp: Prepare for GCC 10.

* gnu/packages/ntp.scm (ntp)[source](patches): New field.
---
 gnu/packages/ntp.scm | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'gnu')

diff --git a/gnu/packages/ntp.scm b/gnu/packages/ntp.scm
index ecad2854a7..b86def1929 100644
--- a/gnu/packages/ntp.scm
+++ b/gnu/packages/ntp.scm
@@ -6,6 +6,7 @@
 ;;; Copyright © 2016, 2017, 2018 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2018–2021 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2021 Marius Bakke <marius@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -122,6 +123,16 @@ time-stamping or reference clock, sub-microsecond accuracy is possible.")
                    "/ntp-" version ".tar.gz")))
        (sha256
         (base32 "06cwhimm71safmwvp6nhxp6hvxsg62whnbgbgiflsqb8mgg40n7n"))
+       ;; Add an upstream patch to fix build with GCC 10.  Taken from
+       ;; <https://bugs.ntp.org/show_bug.cgi?id=3688>.
+       (patches (list (origin
+                        (method url-fetch)
+                        (uri "https://bugs.ntp.org/attachment.cgi?id=1760\
+&action=diff&context=patch&collapsed=&headers=1&format=raw")
+                        (file-name "ntp-gcc-compat.patch")
+                        (sha256
+                         (base32
+                          "13d28sg45rflc7kqiv30asrhna8n69wlpwx16l65rravgpvp90h2")))))
        (modules '((guix build utils)))
        (snippet
         '(begin
-- 
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