using 'ld -r' and limit the exported symbols

[Andrew Bartlett]

On Thu, 2004-06-24 at 08:18, Stefan (metze) Metzmacher wrote:
> Bert Driehuis schrieb:
> 
> > On Wed, 23 Jun 2004, Stefan (metze) Metzmacher wrote:
> > 
> > 
> >>I just found out about the 'ld -r' option which is used for prelinking.
> >>this is used by th elinux kernel for creating only one .o file for a
> >>subsystem.
> >>
> >>I think it would be very usefull to use it in samba4 too, if the linker
> >>supports it.
> > 
> > 
> > Just out of curiosity -- why?
> > 
> > Unless I'm seriously mistaken, it doesn't buy any performance, it will
> > complicate the build process, and it probably will make debugging one
> > notch harder. The only gain I see is reduced diskspace, which is why
> > embedded systems use tricks like this.
> 
> I don't want to reduce the binary size,
> what I want to do is having private functions inside a subsystem, which 
> should not be accessable by other parts, in the same way we often use
> 'static' function which are private only to one source file.
> 
> the debug symbols should not be changed, so a debugger will work the 
> same way as before...

I am very sceptical of this, but more-so, I just don't see the point.

The ability to create conflicting functions between files bothers me, as
does the effort required to correctly maintain 'public/private' header
files.  

We need to make sure that the build system creates less, not more, work
for us...

Andrew Bartlett
-- 
Andrew Bartlett                                 abartlet at pcug.org.au
Manager, Authentication Subsystems, Samba Team  abartlet at samba.org
Student Network Administrator, Hawker College   abartlet at hawkerc.net
http://samba.org     http://build.samba.org     http://hawkerc.net
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