bug#19989: 25.0.50; Build instructions on Windows

[Ilya Zakharevich]

On Sat, Mar 07, 2015 at 11:11:45AM +0200, Eli Zaretskii wrote:
> > > >   A) apparently, the download and build instructions changes not so
> > > >      long ago, so what google finds are obsolete irrelevant
> > > >      instructions.
> > > 
> > > The build instructions changed in May 2013, almost 2 years ago.
> > 
> > Irrelevant.
> 
> Relevant.  You should look at the date of the instructions you get
> from Google before you consider them valid.

Think about what you suggest: suppose the instructions are of May
2014.  How the user would know whether it is VALID or NOT?

> > Google brings (many variants) of wrong instructions about
> >   • what to download
> >   • how to build it
> >  — and no correct instructions (at least close to the top of the list;
> > my google shows 80 hits, and it did not help much).
> 
> Which might mean that everybody else succeeded in building Emacs just
> by following nt/INSTALL.

I agree that this IS a quality indicator!  Unfortunately, this does
not help the googling giving poisoned pills.

> > If you download an obsolete version, you get obsolete instructions
> > (coming with this version).  So it is hard to detect that what you get
> > is bogus.
> 
> The first place to look is in the package, not in Google hits.  Follow
> that rule, and you will be generally fine, not only with Emacs.

Are you sure?  This is chicken and eggs problem.  If I did not find
the package (with instructions), how do I find where to find the
package?

> 
> > > > The warning which nt/configure.bat gives is not specific enough (at
> > > > least when shown on background of all the [wrong] info found by 
> > > > googling):
> > > 
> > > If no one complains about something major for the MinGW/MSYS build
> > > when Emacs 24.5 is released, nt/configure.bat will be deleted from the
> > > repository, so it won't be able to confuse anyone anymore.
> > 
> > In view of the results of googling, I would prefer if this file were
> > kept, but would produce a message like
> > 
> >      Build via nt/configure.bat is replaced by a build via:
> >        installing MSYS, MINGW, and running the top-level configure.
> >      See nt/INSTALL for details.
> 
> Leaving the file for that purpose makes no sense.  If someone is
> looking for it because it was mentioned in some Google hit, they will
> know the hit was outdated.

This conclusion (“hit was outdated”) involves logical deduction in a
fuzzy world.  One can expect that THIS result of deduction is
possible — but ANY OTHER result is possible too.

Ilya