Proposed rework of autotools call structure from port Makefiles

[Joe Marcus Clarke]

On Thu, 2005-06-16 at 18:43 -0700, Ade Lovett wrote:
> Adam Weinberger wrote:
> > Is specifying the exact versions always necessary? Is it possible to
> > examine a configure.in or something to determine the version of
> > libtool/auto* needed, and then run that? That would also help with
> > things like the recent libtool13->libtool15 sweep, if one could just
> > define USE_AUTOTOOLS=autoconf and the build system could intuit the rest.
> 
> Unfortunately, it's been my experience that such auto-detection of the
> "required" version is insanely prone to error.  There are so many
> different styles of generated scripts (particularly for autoconf and
> automake), that such parsing would be extremely tricky.
> 
> That's not to say that it's impossible, but I think it's beyond the
> scope of what I'm trying to do here -- it could certainly be considered
> at a later date.
> 
> On reflection, I'm wondering whether it would make sense to have two
> variables, USE_AUTOTOOLS and WANT_AUTOTOOLS, each with just a simple
> list of things that are needed.  This is more in spirit with other
> USE/WANT variables, and doesn't add too much complexity.
> 
> Thoughts?

Just clarification.  Would, for example, libtool15:env be equivalent to
USE_INC_LIBTOOL_VER=15?  I'm trying to get a handle on this :env thing.
I have to agree with Adam that WANT_AUTOTOOLS is a bit of a misnomer.
However, I'm not sure this :env suffix is very clear either.  Maybe it
just needs some getting used to...

Joe

> 
> -aDe
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