(adding Peter Foley to CC ...)
On Tue, Oct 21, 2014 at 01:11:22PM +0100, Markos Chandras wrote:
> On 10/21/2014 12:07 PM, Richard Cochran wrote:
> > On Mon, Oct 20, 2014 at 09:42:18AM +0100, Markos Chandras wrote:
> >> diff --git a/Documentation/ptp/Makefile b/Documentation/ptp/Makefile
> >> index 293d6c09a11f..397c1cd2eda7 100644
> >> --- a/Documentation/ptp/Makefile
> >> +++ b/Documentation/ptp/Makefile
> >> @@ -1,5 +1,15 @@
> >> # List of programs to build
> >> +ifndef CROSS_COMPILE
> >> hostprogs-y := testptp
> >> +else
> >> +# MIPS system calls are defined based on the -mabi that is passed
> >> +# to the toolchain which may or may not be a valid option
> >> +# for the host toolchain. So disable testptp if target architecture
> >> +# is MIPS but the host isn't.
> >> +ifndef CONFIG_MIPS
> >> +hostprogs-y := testptp
> >> +endif
> >> +endif
> >
> > It seems like a shame to simply give up and not compile this at all.
> > Is there no way to correctly cross compile this for MIPS?
> >
> > Thanks,
> > Richard
> >
>
> As far as I can see you don't cross-compile the file. You use the host
> toolchain.
Look at Documentation/ptp/testptp.mk. There I do use $CROSS_COMPILE.
> There is no clean way to build it for host if you have your
> kernel configured for MIPS. Perhaps maybe you could define
> __MIPS_SIM_{ABI64, ABI32, NABI32} in the gcc command line (-D...) but
> this is a bit ugly. Or maybe use the host headers instead of the ones in
> the kernel source.
Your patch is for the file, Documentation/ptp/Makefile. I did not
write that file. Maybe Peter knows how to fix it?
Thanks,
Richard
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