From 211db2f6451845bdd7632a2aecf761127e849b11 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Thu, 5 Mar 2015 23:41:29 +0100
Subject: [PATCH] gnu: glibc: Comment on the parallel build race.

* gnu/packages/base.scm (glibc): Augment comment regarding sequential
  builds.
---
 gnu/packages/base.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/base.scm b/gnu/packages/base.scm
index 102a9659c2..ac059870e2 100644
--- a/gnu/packages/base.scm
+++ b/gnu/packages/base.scm
@@ -388,7 +388,11 @@ (define-public glibc
 
    (arguments
     `(#:out-of-source? #t
-      #:parallel-build? #f ; There's at least one race in the build.
+
+      ;; In version 2.21, there a race in the 'elf' directory, see
+      ;; <http://lists.gnu.org/archive/html/guix-devel/2015-02/msg00709.html>.
+      #:parallel-build? #f
+
       #:configure-flags
       (list "--enable-add-ons"
             "--sysconfdir=/etc"