From 46f852cda013b818f113c7905f020131a44f2340 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 1 Aug 2012 16:42:51 -0400
Subject: Use a GNU tar flag to shut up warnings about implausibly old
 timestamp

---
 configure.ac | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 21a87194f477..bbee7b061250 100644
--- a/configure.ac
+++ b/configure.ac
@@ -339,6 +339,18 @@ eval dynlib_suffix=$shrext_cmds
 AC_SUBST(dynlib_suffix)
 
 
+# Do we have GNU tar?
+AC_MSG_CHECKING([if you have GNU tar])
+if $tar --version 2> /dev/null | grep -q GNU; then
+    AC_MSG_RESULT(yes)
+    tarFlags="--warning=no-timestamp"
+else
+    AC_MSG_RESULT(no)
+fi
+AC_SUBST(tarFlags)
+
+
+
 AM_CONFIG_HEADER([config.h])
 AC_CONFIG_FILES([Makefile
    src/Makefile
-- 
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