Re: [Gcl-devel] Re: please cleanup your scratch space on vore

[Camm Maguire]

Greetings!  Well, I found the issue.  Pleased to announce that we now
have gcl and gcl/maxima on sparc with no errors.  Debian packages
hopefully to follow soon.

Take care,

Ben Collins <address@hidden> writes:

> On Wed, Jun 19, 2002 at 04:05:15PM -0400, Camm Maguire wrote:
> > Greetings!  OK, in looking at some old posts on debian-sparc, I've
> > found the very helpful tip:
> > 
> > >Compiling the failing application with the gcc-flag "-Wcast-align" may
> > >detect some of these problems. (The compiler itself should not misalign
> > >things, so casting is usually a major suspect.)
> > 
> > >If the application casts byte arrays into struct types (for example to
> > >decode packet contents for some network protocol), it might also help to
> > >declare the struct types as packed, using "__attribute__((__packed__))".
> > >Apart from avoiding padding within the struct, this will alert the
> > >compiler that the struct members may be misaligned. Code accessing the
> > >struct members will then be compiled to handle that situation.
> > 
> > -Wcast-aligned gives many warnings for gcl.  Is there a way I can
> >  globally align everything on 8 byte boundaries without having to
> >  modify each offending variable declaration with __attribute__
> >  ((aligned))?  
> > 
> > Take care,
> 
> Use the "__attribute__((__packed__))" for structures that relate to the
> part of the code you are having problems with. See what happens.
> 
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-- 
Camm Maguire                                            address@hidden
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