pkg/13224. Changes suggested in the PR were applied, and one additional
change in the place where the CFLAGS are set was made to give this package
a better change of compiling on Linux.
components. This allows users of Qt to specify QTDIR=/path/to/qt instead
of having to patch all configure scripts and makefiles to look for alternate
names. This is the recommended approach from Troll Tech (Qt authors).
update pkgs which use qt1 to reflect this.