Thomas Arendsen Hein <thomas@intevation.de> [Fri, 21 Dec 2007 09:51:19 +0100] rev 5682
Use test -h instead of test -L for portability
Citing from the GNU autoconf manual:
"either form conforms to Posix 1003.1-2001, but older shells like Solaris 8
/bin/sh support only -h"