Re: Changing "make clean" and "make cleandir"

[Alan Barrett <apb%cequrux.com@localhost>]

On Wed, 07 Sep 2011, Matt Thomas wrote:
> > I would like to make "make clean" and "make cleandir" delete 
> > leftover files in the source directory as well as the obj 
> > directory.  This should help with the case that the current 
> > build uses .OBJDIR != .CURDIR, but an earlier build with 
> > .OBJDIR = .CURDIR had left some output files in the source 
> > directory.
>
> Have you tried it on a read-only source tree?
>
> Does it appropriately fail when it can't remove a file it should have?

The current draft just does "rm -f".  If the source tree is read-only
but contains files that should be removed, it will silently fail to
remove those files.

I can add code to test whether any files remain after the "rm -f",
and to fail if so.  Checking for empty output from ls should do it.

--apb (Alan Barrett)