Re: [bug #61226] A regression prevents generation of missing included dependency files.

[Alejandro Colomar (man-pages)]

Hi Paul and Dmitry,

On 10/26/21 1:16 AM, Paul Smith wrote:
> On Mon, 2021-10-25 at 17:51 -0400, Dmitry Goncharov via Bug reports and
> discussion for GNU make wrote:
> > On Monday, October 25, 2021, Alejandro Colomar (man-pages) <
> > alx.manpages@gmail.com> wrote:
> > > Why do I do this?  Because, if you remove a file from your tree, an
> > > old .d file will require that file and make your build fail,
> > > requiring you to clean before making again.
> >
> > This has been solved long ago. Check the awesome advanced dependency
> > generation article by Paul.
>
> FYI:
>
>    http://make.mad-scientist.net/papers/advanced-auto-dependency-generation/
>
> The issue you raise (as well as others) is discussed, hopefully
> clearly, in this article [*].
>
>
> [*] 
> http://make.mad-scientist.net/papers/advanced-auto-dependency-generation/#depdelete

Thanks for sharing that great article!

I'll definitely have to have a look at many or all of the articles in 
that website!

I've already applied some of the improvements there, reducing no-op make 
times to 0.7 s in single-process and 0.35 with 'make -j'.  I'll keep 
adding the other improvements too.

Cheers,

Alex


--
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/