Re: [OpenBIOS] [PATCH 1/1] [FCODE-utils] Allow overriding more Makefile vars

[Segher Boessenkool]

On Mon, Jan 18, 2016 at 01:38:04PM +0100, Peter Lemenkov wrote:
> > > > But why do you need it?  Why doesn't e.g.
> > > >     make DESTDIR=/opt/bla
> > > >
> > > > work for you as-is?  Or do you need those vars to be passed in via the
> > > > environment?
> > >
> > > Unfortunately this DESTDIR trick won't work. Explicitly stated
> > > variables from the Makefile itself have preference over the
> > > environment variables unless they stated with "?=". At least this is
> > > how GNU make works.
> >
> > But this is *not* an environment variable!
>
> Yes, sorry. Anyway we can't override Makefile-variables that way
> unless we allow it.

Why not?  Manual says to do just this; and I tested it just now to make
sure I am not imagining things, and it works fine.  So what is unusual
in your setup?

Segher