/usr/src -> make doesn't recognize target when '-f -' is used

[rank1seeker at gmail.com]

----- Original Message -----
From: Chris Rees <utisoft at gmail.com>
To: rank1seeker at gmail.com
Cc: h h <aakuusta at gmail.com>, hackers at freebsd.org
Date: Tue, 27 Sep 2011 17:16:57 +0100
Subject: Re: /usr/src -> make doesn't recognize target when '-f -' is used

> On 27 Sep 2011 12:24, <rank1seeker at gmail.com> wrote:
> >
> > ----- Original Message -----
> > From: h h <aakuusta at gmail.com>
> > To: rank1seeker at gmail.com
> > Cc: hackers at freebsd.org
> > Date: Tue, 27 Sep 2011 10:03:08 +0000
> > Subject: Re: /usr/src -> make doesn't recognize target when '-f -' is 
used
> >
> > > rank1seeker at gmail.com writes:
> > >
> > > > cd /usr/src
> > > >
> > > > This works:
> > > > --
> > > > # echo 'CPUTYPE?=core2
> > > > CFLAGS+=-march=native
> > > > NO_CPU_CFLAGS=yes
> > > > COPTFLAGS+=-march=native
> > > > NO_CPU_COPTFLAGS=yes' | /usr/bin/make __MAKE_CONF=/dev/null -f - -V
> > CPUTYPE
> > > > --
> > > [...]
> > >
> > > No, it doesn't.
> > >
> > > According to make(1) manpage, it reads BSDmakefile, makefile or 
Makefile
> > > unless -f is specified.
> >
> > Well, via STDIN, I've attempted to feed it, with syntaks from a
> 'make.conf'
> > file, so I wouldn't have to provide file, via __MAKE_CONF.
> > Looking again in man pages, I see that -f flag relates to Makefile 
syntaks
> > and NOT to the make.conf.
> >
> 
> Yes, it means that make reads the Makefile from stdin instead of from the
> Makefile; if you use -f then the Makefile isn't read -- the make.conf has
> nothing to do with -f.
> 
> What have you misunderstood? As far as I can see, you're contradicting
> yourself.
> 
> Chris


The point is, that I've gave answer to myself.
I figured it out, a little bit later ..., so it is solved now.
Thank you all.