On Fri, Apr 10, 2015 at 11:10:59AM +0000, Bartek Rutkowski wrote: > New Revision: 383718 > URL: https://svnweb.freebsd.org/changeset/ports/383718 > > Log: > devel/libtool: add CPE information > [...] > -USES+= makeinfo > +USES+= cpe makeinfo Can you elaborate a bit on why += is necessary here (and other similar commits)? ./danfe