and do-install targets. This is better as the configure script gets
called with the correct environment settings. Also set the values for
INSTALL_PROGRAM and INSTALL_DATA used in the project's Makefile to their
pkgsrc BSD_* counterparts.
- New, optional Makefile variable HOMEPAGE, specifies a URL for
the home page of the software if it has one.
- The value of HOMEPAGE is used to add a link from the
README.html files.
- pkglint updated to know about it. The "correct" location for
HOMEPAGE in the Makefile is after MAINTAINER, in that same
section.