Re: [uml-devel] [PATCH] Fix UML build on i386 Ubuntu Dapper

[Nishanth Aravamudan <nacc@us.ibm.com>]

On 27.06.2006 [11:31:28 -0700], Nishanth Aravamudan wrote:
> On 27.06.2006 [16:56:13 +0200], Blaisorblade wrote:
> > On Tuesday 27 June 2006 00:02, Nishanth Aravamudan wrote:
> > > Hi Jeff,
> > >
> > > I run an x86_64 kernel with i386 userspace (Ubuntu Dapper) and decided
> > > to try out UML today. I found that UML wasn't quite aware of biarch
> > > compilers (which Ubuntu i386 ships). A fix similar to what was done for
> > > x86_64 should probably be committed (see
> > > http://marc.theaimsgroup.com/?l=linux-kernel&m=113425940204010&w=2).
> > 
> > Ok, it seemed strange but I understand the stuff... that's very
> > interesting as this is the setup I'd wished to have since ages. I'll
> > switch to it ASAP...
> 
> Indeed :)
> 
> > > Without the FLAGS changes, the build will fail at a number of places and
> > > without the LINK change, the final link will fail.
> > >
> > > Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
> > 
> > The first hunk (#undef i386) should be unnecessary given you specify
> > -m64 (add it to CPPFLAGS too). Also it can/could be problematic for

Hrm, I somehow overlooked the CPPFLAGS bit. Is it necessary? That wasn't
changed for x86_64 and having not changed it for UML, it doesn't appear
to have prevented the build from working on both x86_64 and i386
SUBARCHs here.

Thanks,
Nish

-- 
Nishanth Aravamudan <nacc@us.ibm.com>
IBM Linux Technology Center

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