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Date: Thu, 8 Jan 2004 10:05:14 +0200
From: Ruslan Ermilov <ru@FreeBSD.org>
To: "Brian F. Feldman" <green@FreeBSD.org>
Message-ID: <20040108080514.GB27761@FreeBSD.org.ua>
References: <20040107202112.GD21522@FreeBSD.org.ua>
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Subject: Re: cvs commit: src/share/mk bsd.obj.mk
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On Wed, Jan 07, 2004 at 03:41:03PM -0500, Brian F. Feldman wrote:
> Ruslan Ermilov <ru@FreeBSD.org> wrote:
> > On Thu, Jan 01, 2004 at 09:05:48PM -0800, Brian Feldman wrote:
> > > green       2004/01/01 21:05:48 PST
> > >=20
> > >   FreeBSD src repository
> > >=20
> > >   Modified files:
> > >     share/mk             bsd.obj.mk=20
> > >   Log:
> > >   Fix a very corner case when you want to make cleandir SUBDIRs which
> > >   are built using a ${MAKE} that's not just "make".
> > >  =20
> > >   Test by:        make universe (followed by cleandirs)
> > >  =20
> > >   Revision  Changes    Path
> > >   1.49      +2 -2      src/share/mk/bsd.obj.mk
> > >=20
> > The old version used ${MAKE}, why this was a problem at all?
>=20
> The ${MAKE} that it uses would be overridden by the default ${MAKE} value=
=20
> each time; this doesn't occur when dependencies are executed, though.
>=20
Please explain in more detail.  With the below makefile,

: all:
: 	@cd ${.CURDIR}; ${MAKE} print-make
:=20
: print-make:
: 	@echo ${MAKE}

running /usr/bin/make will rightfully print "/usr/bin/make".
make(1)'s main() always sets MAKE to argv[0] as its first task.


Cheers,
--=20
Ruslan Ermilov
FreeBSD committer
ru@FreeBSD.org

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