Re: build failure on M$ using MSVC: nt/icons/emacs.ico

[Eli Zaretskii <eliz@gnu.org>]

> Date: Thu, 22 May 2008 10:40:14 +0100
> From: Jason Rumney <jasonr@gnu.org>
> Cc: Emacs Devel <emacs-devel@gnu.org>
> 
> dhruva wrote:
> > Hi,
> >  The current build on M$ using MSVC fails due to something in the new
> > emacs.ico file. The MSVC resource compiler is not able to handle the
> > file (old DIB and pass it through SDKPAINT..). I could not make much
> > of it (was this icon image created on MS Vista?).
> 
> It was not created on Vista, but it does contain a PNG icon which Vista 
> uses. The problem appears to be that the MS resource compiler checks the 
> icon before copying it into the resources (while the MingW one just 
> copies it), so you need an up to date resource compiler from the latest 
> Windows SDK to use it with modern icons.

I think we should:

  . add some wizardry to nt/configure.bat that checks the MS resource
    compiler version and displays a warning if it is too old;

  . modify the nmake parts of the respective Makefiles to not fail the
    entire build just because that icon fails to compile.