version bounds for Darwin

[Ian Lance Taylor]

"Joseph S. Myers" <joseph@codesourcery.com> writes:

> > > 	* gcc.c: Include xregex.h.
> > > 	(version_compare_spec_function): New.
> > > 	(spec_function): Add version-compare.
> > > 	(replace_outfile_spec_function): Reformat comment.
> > > 	(compare_version_strings): New.
> > 
> > I think version-compare should be documented in the specs file section
> > of invoke.texi.
> 
> I think having this documentation in invoke.texi is a mistake - specs are 
> internals rather than something for users to use.  The documentation 
> should either be in the internals manual or be in comments in gcc.c, not 
> both and not the user manual.

For what it's worth, I agree.  But until and unless one of these
options is taken, I think having existing but incomplete documentation
is the worst of all possible worlds.

Ian