XEmacs-bug: compilation (or linking) fails for changesets 5117-5147

[robert delius royar]

Tue, 16 Mar 2010 (23:09 -0500 UTC) Ben Wing wrote:

> 
> 
> On Tue, Mar 16, 2010 at 12:55 PM, robert delius royar <xemacs at frinabulax.org> wrote:
>       I updated XEmacs 21.5-b29 sources today to the latest changeset
>       (5147:b0ab9aa48977).  Compilation failed with src/alloc.c complaining of
>       alloc.c: In function `make_lcrecord_list':
>       alloc.c:3204: error: cannot convert to a pointer type
>       alloc.c: In function `alloc_managed_lcrecord':
>       alloc.c:3251: error: incompatible type for argument 1 of `wrap_pointer_1'
>
>       I tried a number of other changesets until I found that 5116 is the last
>       one that works:
>       changeset:   5116:e56f73345619
>       parent:      3084:aaf96f4ba612
>       user:        Ben Wing <ben at xemacs.org>
>       date:        Sat Dec 26 00:20:16 2009 -0600
>       summary:     Added tag ben-lisp-object-bp for changeset aaf96f4ba612
>
>       In different compilations, different errors show up (most with alloc.c).
>       In one compilation, the compile continues but the link fails complaining
>       that some of the functions referenced in alloc.c are undefined.
>
>       Based on the errors, I suspect that it is possible that gcc4.2 does not
>       accept the cast (struct lcrecord_list *) as a pointer to a union.
>       Compiling without-union-type works for 5147, but my experience on PPC OS
>       X has been that treating an int as a complex LispObject makes a less
>       stable executable.  I rarely see crashes with the union type, but I used
>       to see them regularly with the object defined as an int.
>
>       The bug tracker is currently out of commission, or I would have
>       submitted this through it instead of posting to the mailing list.
> 
> 
> OK, try it now.
> 
> ben

As of 12:00 p.m. US EDT Wed 17 March, the server is still down.  The 
latest update in the source tree is from Mon 15 March, and the source 
still does not compile --with-union-type (same error).

-- 
Dr. Robert Delius Royar                   Associate Professor of English
Morehead State University                             Morehead, Kentucky