Re: make -d C no-op?

[tlaronde%polynum.com@localhost]

Hello Roland,

Le Sat, May 13, 2023 at 11:48:05PM +0200, Roland Illig a écrit :
> Am 13.05.2023 um 12:31 schrieb tlaronde%polynum.com@localhost:
> > I was looking for the definition of ${.CURDIR} and the C flag was giving
> > nothing.
> > 
> > $ cd /usr/src/usr.bin/make
> > $ egrep "DEBUG[1-5]?\(CWD" *
> > $
> > $  fgrep debug.DEBUG_CWD *
> > main.c:                 debug.DEBUG_CWD = true;
> > 
> > Am I right in concluding that the C flag is not implemented / a no-op?
> > or am I looking at the wrong place or not invoking it correctly?
> 
> Yes, your conclusion is completely correct.
> 
> In usr.bin/make/unit-tests/opt-debug-curdir.mk, I documented it when I
> found it out, using the same technique as you:
> 
> > Tests for the -dC command line option, which does nothing,
> > as of 2020-09-05, as the string "DEBUG(CWD" does not occur
> > in the source code.
> 
> After removing the enum constant and the assignment, the code compiled
> again. Not so when I removed DEBUG_COND, which is actually used.
> 
> The DEBUG_CWD flag was in use between 2008 and January 2013.
> 
> https://github.com/NetBSD/src/commit/b3c89f7f113be74368645c9ab692666ece699aed

Thanks to have taken time to give the history!

Best,
-- 
        Thierry Laronde <tlaronde +AT+ polynum +dot+ com>
                     http://www.kergis.com/
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