cvs commit: src/share/mk bsd.obj.mk

[Ruslan Ermilov]

On Thu, Jan 08, 2004 at 11:36:19AM -0500, Brian F. Feldman wrote:
> Ruslan Ermilov <ru at FreeBSD.org> wrote:
> > : $ make MAKE='/usr/bin/make -DFOO' print-make
> > : /usr/bin/make -DFOO
> > : $ make MAKE='/usr/bin/make -DFOO' -V MAKE
> > : make
> > 
> > If you really need to access command-line arguments, there
> > is the .MAKEFLAGS variable available for that purpose.
> > 
> > But why do you need to ``make MAKE='/usr/bin/make -DFOO' bar''
> > in the first place instead of simple ``make -DFOO bar''?  If
> > "bar" is recursive (i.e., runs ${MAKE} subprocesses), then
> > -DFOO will be properly propagated:
> 
> Think about this: what options to ${MAKE} are there that have nothing to do 
> with setting defines?  There's actually quite a few; the one in particular 
> that I care about is "-f"; if I want to use bsd.subdir.mk to simply apply 
> one BSD Makefile to several directions (which I _do_), I need to use -f, 
> i.e.:
> 
> MAKE+=  -f ${.CURDIR}/drivers/Makefile.subdriver
> 
> The only think that broke this was the cleandir target.
> 
Then you should be using the .MAKEFLAS variables here, see
sys/modules/Makefile for one working example, and let me
know if it works for you.


Cheers,
-- 
Ruslan Ermilov
FreeBSD committer
ru at FreeBSD.org
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