Messages in this thread |  | | Date | Tue, 21 Oct 2014 09:58:51 -0700 | From | David Daney <> | Subject | Re: [PATCH] Documentation: ptp: Fix build failure on MIPS cross builds |
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On 10/21/2014 09:35 AM, David Miller wrote: > From: Richard Cochran <richardcochran@gmail.com> > Date: Tue, 21 Oct 2014 13:07:25 +0200 > >> 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? > > Yeah seriously, we should try to make this work instead of throwing our > hands in the air. >
We cross compile things successfully all the time for all the various MIPS ABIs.
It is a simple matter of having the Makefile setup for cross compiling.
What I don't understand is why we are using hostprogs in this Makefile. Isn't this a program that would run on the target, not the build host?
David Daney
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