multilib fun - devel packages

[Jakub Jelinek]

On Fri, Dec 09, 2005 at 08:42:23AM +0000, Joe Orton wrote:
> On Fri, Dec 09, 2005 at 03:19:14AM -0500, Jakub Jelinek wrote:
> > On Fri, Dec 09, 2005 at 08:12:30AM +0000, Joe Orton wrote:
> > > > 2) Wordsize specific #defines and similar in a header file.
> > > 
> > > Not possible without massive deviation from upstream.
> > 
> > Unless you do it cleanly and push the changes upstream?
> > glibc does this in the upstream headers, so why couldn't other
> > packages do that as well?
> > 
> > If the only differences are wordsize related, you can e.g.
> > portably #include <limits.h> and do:
> 
> The differences are generally because the entire header is 
> autoconf-generated so really the whole thing would have to be renamed 
> for each platform and an #if/#include stub put in its place.  This is 
> feasible but ugly and upstream would have little interest in maintaining 
> such hacks (it's not as if I've ever heard any user cry out for this 
> "problem" to be solved).

It is really not hard to generate the file even in autoconf such that
it works for both ABIs.

	Jakub