Re: [Xen-devel] Build problems with xen 4.7

[M A Young <m.a.young@xxxxxxxxxxxx>]

On Tue, 7 Jun 2016, George Dunlap wrote:

> On Fri, May 13, 2016 at 4:23 PM, Konrad Rzeszutek Wilk
> <konrad.wilk@xxxxxxxxxx> wrote:
> > --- xen-4.7.0/config/StdGNU.mk.orig     2016-04-15 22:56:52.191227591 +0100
> > +++ xen-4.7.0/config/StdGNU.mk  2016-04-15 23:01:40.978829756 +0100
> > @@ -37,6 +37,12 @@
> >
> >  ifneq ($(debug),y)
> >  CFLAGS += -O2 -fomit-frame-pointer -fno-tree-coalesce-vars
> > +ifeq ($(XEN_TARGET_ARCH),x86_64)
> > +#might be cross-compiling so strip out possible x86_32 options
> > +CFLAGS += $(shell echo $(CFLAGS_EXTRA) | sed -e 's/-m32//g' -e 
> > 's/-march=i686//g' -e 's/-mtune=atom//g')
> > +else
> > +CFLAGS += $(CFLAGS_EXTRA)
> > +endif
> 
> Why the if?  Under what circumstances is it actually appropriate to
> pass in those kinds of flags to the Xen build system?

That may not be needed in general. It is something I added for Fedora as I 
am cross-compiling the hypervisor as x86_64 to put in the i686 package 
because ix86 hypervisors are no longer supported.

        Michael Young

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel