[OE-core] [PATCH] gcc-4.6: Some small performance tweaks

[Khem Raj]

On (14/02/12 20:08), Martin Jansa wrote:
> On Tue, Feb 14, 2012 at 10:55:06AM -0800, Khem Raj wrote:
> > On (14/02/12 13:16), Martin Jansa wrote:
> > > On Sat, Feb 11, 2012 at 5:24 PM, Richard Purdie
> > > <richard.purdie at linuxfoundation.org> wrote:
> > > > On Fri, 2012-02-10 at 17:58 -0800, Khem Raj wrote:
> > > >> On (10/02/12 13:40), Richard Purdie wrote:
> > > >> > On Thu, 2012-02-09 at 16:39 -0800, Khem Raj wrote:
> > > >> > > On Thu, Feb 9, 2012 at 4:06 PM, Richard Purdie
> > > >> > > <richard.purdie at linuxfoundation.org> wrote:
> > > >> > > >
> > > >> > > > +NATIVEDEPS = "mpfr-native gmp-native libmpc-native zlib-native"
> > > >> > >
> > > >> > >
> > > >> > > note that we will need to ship zlib-nativesdk as well if we do this
> > > >> > > so hopefully that case is covered by this.
> > > >> >
> > > >> > Yes, zlib has a BBCLASSEXTEND on zlib-nativesdk so this should be fine.
> > > >>
> > > >> OK and this is bundled with meta-toolchain too right ?
> > > >
> > > > By anything that depends on it by the shlibs code in the usual way, yes.
> > > 
> > > But zlib is build time dependency, isn't it?
> > 
> > yes it must be added to target gcc recipe
> > 
> > > 
> > > Now it fails to build target gcc because it depends only on
> > > zlib-native not target zlib and zlib.h is not found.
> > 
> > whats the exact error? usually zlib is needed for gcj. are you building
> > gcj ?
> 
> I don't have that log anymore, but I'm building default gcc
> configuration from oe-core/meta-oe (iirc without gcj) and IIRC it was
> from lto (gcc/lto-compress.c:#include <zlib.h>).


ah yes forgot lto :) and we do enable it so zlib dep is needed all the
time.