This sounds... interesting. Certainly I would be happy to see
	it in the tree. Would anyone have any objections?

                David/absolute
			       -- www.netbsd.org: A pmap for every occasion --


On Thu, 10 Aug 2000, Alan Barrett wrote:

> On Thu, 10 Aug 2000, David Brownlee wrote:
> > 	excluding postfix (or anything else) in a build:
> > 	    It would be nice to fix this in a generic way - any
> > 	    volunteers? One idea would be to have a SUBDIR_EXCLUDE
> > 	    variable. If set, bsd.subdir.mk would run through SUBDIR
> > 	    and remove anything in SUBDIR_EXCLUDE. You would only pay
> > 	    the extra processing cost if SUBDIR_EXCLUDE were set, but
> > 	    it would make it easier to produce 'cut down' builds.
> 
> FreeBSD's bsd.subdir.mk has an interesting solution to this
> problem.  You set up a parallel directory tree in which you
> store files that can override SUBDIRS for the source tree.
> 
> # SUBDIR_CHANGE A directory-tree that contains overrides for
> #               corresponding build subdirs.
> #               Each override is a file containing one subdirname per line:
> #                  'subdirlist'  is a pure override
> #                  'subdirdrop'  drops directories from the build
> #                  'subdiradd'   adds directories to the build
> 
> --apb (Alan Barrett)
> 
>