From 6ceaaa02dc6aa467b772cf9b52a9c70213b40c4f Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Fri, 10 Feb 2006 17:47:16 +0000
Subject: Use gzip's --rsyncable option only if it's available.
 (gzip_rsyncable): New variable. (GZIP_ENV): Use it.

---
 Makefile.maint | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile.maint b/Makefile.maint
index e954a49ad..bca5dd9ee 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -24,7 +24,9 @@
 ME := Makefile.maint
 
 # Do not save the original name or timestamp in the .tar.gz file.
-GZIP_ENV = '--no-name --best --rsyncable'
+gzip_rsyncable := \
+  $(shell gzip --help|grep rsyncable >/dev/null && echo --rsyncable)
+GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
 
 CVS = cvs
 
-- 
cgit v1.2.3-70-g09d2