Allow this to work on DragonFly which does not have the -f param for readlink(1)

Tested by:	marino
With hat:	portmgr


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@368136 35697150-7ecd-e111-bb59-0022644237b5
Avoid USE_AUTOTOOLS


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@368137 35697150-7ecd-e111-bb59-0022644237b5
Avoid USE_AUTOTOOLS


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@368138 35697150-7ecd-e111-bb59-0022644237b5
Remove unnecessary ACLOCAL_ARGS and pre-configure


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@368139 35697150-7ecd-e111-bb59-0022644237b5