Bug#356735: Compiling libc-udeb with -Os ?

[Thiemo Seufer <ths@networkno.de>]

On Mon, Mar 13, 2006 at 01:40:01PM +0100, Robert Millan wrote:
> Package: glibc
> Severity: wishlist
> 
> I've tested what would be the size saving when building glibc with -Os:
> 
> $ du -h */*udeb
> 1020K   normal/libc6-udeb_2.3.6-3_amd64.udeb
> 12K     normal/libnss-dns-udeb_2.3.6-3_amd64.udeb
> 20K     normal/libnss-files-udeb_2.3.6-3_amd64.udeb
> 888K    tiny/libc6-udeb_2.3.6-3_amd64.udeb
> 12K     tiny/libnss-dns-udeb_2.3.6-3_amd64.udeb
> 16K     tiny/libnss-files-udeb_2.3.6-3_amd64.udeb
> 
> For the udeb I think it's significant.  I would suggest adding a build pass for
> -Os (and possibly other tinification options), and use that to prepare the
> udebs.
> 
> What do you think?  Would you like a patch for this?

Did you try if the result actually works? At least historically glibc
was somewhat problematic when compiled with other than default
optimisations.


Thiemo