Re: No progress output when make 4.4.1 builds Linux 4.19 and earlier

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, Mar 08, 2023 at 08:57:34AM -0500, Paul Smith wrote:
> On Wed, 2023-03-08 at 08:12 -0500, Dmitry Goncharov wrote:
> > > > Is this an intentional breakage from the 'make' side?
> > No it is not an intentional breakage.
> > This is a fix for https://savannah.gnu.org/bugs/?63347.
> 
> Just to note, it was possible to run into this problem with earlier
> versions of GNU Make as well, it just became much simpler once the
> variables were available since it's easier to have an "s" in some
> variable.  But it is possible to have an "s" in a MAKEFLAGS flag which
> is not introduced with a "--", and doesn't represent the short option.
> 
> I give some examples in that Savannah bug.
> 
> > > The fact that kernels 5.4 and newer imply to me that there is
> > > a kernel build fix that should resolve this if someone can take the
> > > time to bisect it...
> > 
> > Kernel makefile was updated to work with old and new make in
> > 4bf73588165ba7d32131a043775557a54b6e1db5.
> > If you wanted to backport, try this commit.
> 
> Does anyone know why this commit is using a make version comparison? 
> That seems totally unnecessary to me; am I forgetting something?  As
> far as I remember,
> 
>     silence := $(findstring s,$(firstword -$(MAKEFLAGS)))
> 
> has always been the proper way to check for the short option "s", and
> has always worked in every version of GNU Make.
> 
> https://github.com/torvalds/linux/commit/4bf73588165ba7d32131a043775557a54b6e1db5

No idea, sorry, submit a patch to the kbuild maintainer and they will
probably accept it.

thanks,

greg k-h