[dpdk-dev] [PATCH] build: add support for vendor specific ARM cross builds

Pavan Nikhilesh pbhagavatula at caviumnetworks.com
Fri Jan 19 18:26:08 CET 2018


On Fri, Jan 19, 2018 at 04:41:26PM +0000, Bruce Richardson wrote:
> On Fri, Jan 19, 2018 at 06:45:08PM +0530, Pavan Nikhilesh wrote:
> > Add various vendor specific cross build targets.
> > This can be verified by using linaro toolchain and running
> >
> > 	meson build --cross-file config/arm/arch64_armv8_<cpu>_cross
> >
>
> "arch64-armv8"? I thought we were standardizing on "arm64" as the naming
> here, or alternatively I think it should be "aarch64", right?
>

Currently, make uses "arm64-<platform>" as the naming convention.
I think either "arm64-<plat>" is better as we can easily represent
"arm-<plat>" (v7).

> In terms of file naming, do we want to have a file extension on these
> files. I wondering if we want to change "_cross" to ".cross" for
> instance. The basic example in the meson docs uses a .txt extension but
> that looks weird to me. No strong opinion on my end, just looking for
> any other ideas.
>
> > In future more cross build targets can be added.
>
> Yes, good idea. Is config/<arch> the best place to hold these, or should
> we have a separate cross-build folder? I quite like having them in
> config like you have done, but wondering if anyone disagrees?
>

I split this patch out from the other series specifically so that we could
discuss and agree upon common name/path etc. :-).

Thanks,
Pavan
> >
> > Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
> > ---
> >  config/arm/arch64_armv8_generic_cross  | 10 +++++++
> >  config/arm/arch64_armv8_thunderx_cross | 13 +++++++++
> >  config/arm/meson.build                 | 52 +++++++++++++++++++---------------
> >  3 files changed, 52 insertions(+), 23 deletions(-)
> >  create mode 100644 config/arm/arch64_armv8_generic_cross
> >  create mode 100644 config/arm/arch64_armv8_thunderx_cross
> >
>
> Adding Thomas on CC as he always has opinions on file locations and
> naming.
>
> /Bruce


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