The 'realpath' executable is shipped in a separate package that isn't
installed by default on some distros.
We already use 'readlink -e' (provided by GNU coreutils) in some other
part of the code, so let's settle for that instead.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Message-Id: <1473192351-601-3-git-send-email-silbe@linux.vnet.ibm.com>
Signed-off-by: Fam Zheng <famz@redhat.com>