[svn] GnuPG - r4192 - trunk/m4

[svn author dshaw]

Author: dshaw
Date: 2006-07-12 16:41:08 +0200 (Wed, 12 Jul 2006)
New Revision: 4192

Modified:
   trunk/m4/ChangeLog
   trunk/m4/tar-ustar.m4
Log:
* tar-ustar.m4: Use dd instead of strings as it's more likely to be
around.  Suggested by Nelson H. F. Beebe.


Modified: trunk/m4/ChangeLog
===================================================================
--- trunk/m4/ChangeLog	2006-07-11 16:45:17 UTC (rev 4191)
+++ trunk/m4/ChangeLog	2006-07-12 14:41:08 UTC (rev 4192)
@@ -1,3 +1,8 @@
+2006-07-12  David Shaw  <dshaw at jabberwocky.com>
+
+	* tar-ustar.m4: Use dd instead of strings as it's more likely to
+	be around.  Suggested by Nelson H. F. Beebe.
+
 2006-07-11  David Shaw  <dshaw at jabberwocky.com>
 
 	* tar-ustar.m4: Not all greps know the -q (quiet) flag, so

Modified: trunk/m4/tar-ustar.m4
===================================================================
--- trunk/m4/tar-ustar.m4	2006-07-11 16:45:17 UTC (rev 4191)
+++ trunk/m4/tar-ustar.m4	2006-07-12 14:41:08 UTC (rev 4192)
@@ -27,7 +27,7 @@
      if test x$_mytar != x ; then
         AC_MSG_CHECKING([whether $_mytar speaks USTAR])
         echo hithere > conftest.txt
-        $_mytar -cf - conftest.txt | strings | grep ustar > /dev/null
+        $_mytar -cf - conftest.txt | (dd skip=257 bs=1 count=5 2>/dev/null || cat) | grep ustar > /dev/null
         _tar_bad=$?
         rm conftest.txt