From b67466576531959ca298fcfce4f0bf379515f8e5 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Fri, 14 Sep 2012 10:18:27 -0400 Subject: [PATCH] Test whether GNU tar understands --warning=no-timestamp http://hydra.nixos.org/build/3031618 --- configure.ac | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/configure.ac b/configure.ac index 17169c885..743bd8ddf 100644 --- a/configure.ac +++ b/configure.ac @@ -340,8 +340,8 @@ 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_CHECKING([if you have a recent GNU tar]) +if $tar --version 2> /dev/null | grep -q GNU && tar cvf /dev/null --warning=no-timestamp ./configure > /dev/null; then AC_MSG_RESULT(yes) tarFlags="--warning=no-timestamp" else