ppg: use readlink -f instead of realpath
commit0597689038d9201901e4db4da37674c6f0adc8b2
authorMartin Langhoff <martin.langhoff@gmail.com>
Thu, 23 May 2013 17:32:00 +0000 (23 13:32 -0400)
committerMartin Langhoff <martin.langhoff@gmail.com>
Thu, 23 May 2013 17:32:00 +0000 (23 13:32 -0400)
tree04b5d497bf5dd6bb09dfaec7d42d293ade3e5c61
parent04c6db7c0010b2ff53f3ecd787534092a0c052f2
ppg: use readlink -f instead of realpath

realpath is too new to rely on it. CentOS and RHEL 6.x don't have it
ppg