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Re: Preparing for a 1.6.8 release.

From: Rob Browning
Subject: Re: Preparing for a 1.6.8 release.
Date: Wed, 19 Oct 2005 14:08:22 -0700
User-agent: Gnus/5.110004 (No Gnus v0.4) Emacs/21.4 (gnu/linux)

Steve Ellcey <address@hidden> writes:

> I was hoping the next release of guile would be buildable on IA64 HP-UX.
> The change that is needed is to modify libguile/continuations.c,
> libguile/continuations.h, and libguile/gc.c to have ifdefs on IA64
> instead of __ia64__.
> IA64 is set in libguile/gc_os_dep.c only for IA64 Linux.  __ia64__ is set
> by GCC (and other compilers) for both Linux and HP-UX.  But the code
> that is under the __ia64__ ifdef is Linux specific and will not compile
> on HP-UX.

I'll need to think about this for a moment.  We can't use IA64
directly if it's only defined in gc_os_dep.c, since that's not
something continuations.c or gc.c can see.

I also don't want to introduce any new header symbols during a stable
release, so the least intrusive change would probably be to copy the
detection logic from gc_os_dep.c (or something similar) to
continuations.c and gc.c.

I haven't investigated carefully yet -- do you have any idea offhand
if the __ia64__ guarded bits in those files are absolutely Linux
specific?  If we're not *sure*, then we'll need to reverse the sense
of the test and just exclude HP-UX so that we don't accidentally break
some other ia64 platform.

> | ERROR: In procedure variable-set-name-hint!:
> | ERROR: Wrong type argument in position 2 (expecting SYMBOLP): #<freed cell 
> 40050f00; GC missed a reference>

I can't recall if I already asked this, but could you re-try with
the 1.6.8-rc0 archive (or current 1.6 CVS)?

> I don't know if this is a known issue or IA64 specific or what since I
> am not that familiar with guile (I mostly just want to build autogen).

We had a similar problem on ia64/Linux, but with rc0 it seems to have
vanished, at least on the machine I tested.  We still have a problem
on m68k.

Rob Browning
rlb and; previously
GPG starting 2002-11-03 = 14DD 432F AE39 534D B592  F9A0 25C8 D377 8C7E 73A4

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