Re: make .ORDER

[David Holland <dholland-tech%netbsd.org@localhost>]

On Tue, Jan 29, 2013 at 11:31:12PM -0800, Aaron J. Grier wrote:
 > > IME using make rules for directories never works all that well,
 > > though.
 > 
 > GNU's make has order-only prerequisites using the pipe | character that
 > works for directories.
 > 
 > http://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html
 > 
 > $(OBJS): | $(OBJDIR)
 > 
 > $(OBJDIR):
 >      mkdir -p $(OBJDIR)
 > 
 > touching $(OBJDIR) doesn't cause the objects to be rebuilt, as it would
 > if they were normal prereqs.

Neat. I take it the full syntax is something like

   $(OBJS): $(SRCS) | $(OBJDIR)

?

-- 
David A. Holland
dholland%netbsd.org@localhost