On Thu, Apr 12, 2007 at 04:56:15PM +0200, [EMAIL PROTECTED] wrote:
> On Thu, Apr 12, 2007 at 09:13:14AM -0500, Steve Peters wrote:
> > On Thu, Apr 12, 2007 at 01:37:24PM +0200, Ron Blaschke wrote:
> > > While poking the GCC documentation I found that there's a feature 
> > > available to limit the exported symbols (with GCC >= 3.3).  Maybe worth 
> > > considering?
> > > It's probably a design decision.  If there's an option to limit the 
> > > exported symbols or make all available, which one should be taken?
> > > 
> > > http://gcc.gnu.org/wiki/Visibility
> > > http://gcc.gnu.org/onlinedocs/gcc-3.3.6/gcc/Function-Attributes.html#Function-Attributes
> > > 
> > > This can be done by adding C<-fvisibility=hidden> to CFLAGS and setting 
> > > PARROT_API to C<__attribute__ ((visibility("default")))>.

> > I think that we need to tread very carefully with adding additional 
> > gcc-isms to Parrot, lest we break compatibility with additional compilers
> > even further.  If Parrot will run everywhere, we need to think about 
> > working more towards ANSI and POSIX compliance.
> 
> I think that the same effect can be achieved using a linker script (although
> I don't know much about them), in wich case you are not depending on a 
> compiler feature.

I thought the same, but I've never seen clear documentation as to how to do it.

Nicholas Clark

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