Re: make: dependfile preference list

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Thu, Apr 19, 2012 at 07:55:30AM +0100, David Laight wrote:
> On Wed, Apr 18, 2012 at 11:29:10PM -0700, Simon J. Gerraty wrote:
> > The patch below, adds:
> > 
> >      .MAKE.DEPENDFILE_PREFERENCE
> >                      The ordered list of makefile names (default
> >                      `${.MAKE.DEPENDFILE:T}') that make will look for to
> >                      read
> >                      dependencies from.  Only the first found will be
> >                      read.
> 
> I'm not sure this is necessary, the code that auto-reads .depend
> (which is I presume the actual default) is not really needed
> as the relevant rukes can be added to the makefile itself.

No, they can't be. There is no way in make at the moment to trigger the
"missing files are out-dated" logic.

Joerg