Re: msys : convert datadir to windows directory syntax

[Noah Misch]

On Tue, Sep 04, 2007 at 11:25:39PM +0200, Ralf Wildenhues wrote:
> * Keith Marshall wrote on Tue, Sep 04, 2007 at 08:47:24PM CEST:
> > AC_DEFINE_DIR broke when autoconf added `datarootdir', requiring an 
> > extra round of `eval' to resolve `$datadir', for example.
> > 
> > This sort of definition is fragile, for precisely this reason; it will 
> > break again, if a future autoconf version chooses to add yet another 
> > level of indirection, for some definition you just happen to want to 
> > resolve, when you invoke its expansion in the configure script.
> 
> FWIW, just to set things a wee bit straighter: Autoconf "chose" to add
> the datarootdir indirection exactly because the GNU Coding Standards
> required this change.

This is literally true, but comparing the GCS and Autoconf change logs shows
that this was no grudging compliance with a distant standards body.  I supported
the change, but it has caused some subtle bugs.  Let's not blame the GNU Coding
Standards, as though it forced our hand.