From c87f7103fe38434f0b88df5c2b080c7b558feabf Mon Sep 17 00:00:00 2001
From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Sun, 22 Jul 2012 14:10:51 +0200
Subject: [PATCH] build-sys: hide error message from grep

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index b715a3440..cef2539e2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -509,7 +509,7 @@ if test "z$with_distro" = "z"; then
         if test "$cross_compiling" = yes; then
                 AC_MSG_WARN([Target distribution cannot be reliably detected when cross-compiling. You should specify it with --with-distro (see $0 --help for recognized distros)])
         else
-                with_distro=$($GREP '^ID=' /etc/os-release | $SED 's/ID=//');
+                with_distro=$($GREP '^ID=' /etc/os-release 2>/dev/null | $SED 's/ID=//');
         fi
         if test "z$with_distro" = "z"; then
                 with_distro=other
-- 
2.30.2