Re: [dpdk-dev] [PATCH v3 3/3] doc: add cross compile part for sample applications

[Gavin Hu (Arm Technology China)]

> -----Original Message-----
> From: Jerin Jacob <jerin.ja...@caviumnetworks.com>
> Sent: Monday, September 17, 2018 5:48 PM
> To: Gavin Hu (Arm Technology China) <gavin...@arm.com>
> Cc: dev@dpdk.org; Honnappa Nagarahalli
> <honnappa.nagaraha...@arm.com>; Steve Capper
> <steve.cap...@arm.com>; Ola Liljedahl <ola.liljed...@arm.com>; nd
> <n...@arm.com>; sta...@dpdk.org
> Subject: Re: [PATCH v3 3/3] doc: add cross compile part for sample
> applications
> 
> -----Original Message-----
> > Date: Mon, 17 Sep 2018 15:47:35 +0800
> > From: Gavin Hu <gavin...@arm.com>
> > To: dev@dpdk.org
> > CC: gavin...@arm.com, honnappa.nagaraha...@arm.com,
> > steve.cap...@arm.com,  ola.liljed...@arm.com,
> > jerin.ja...@caviumnetworks.com, n...@arm.com,  sta...@dpdk.org
> > Subject: [PATCH v3 3/3] doc: add cross compile part for sample
> > applications
> > X-Mailer: git-send-email 2.11.0
> >
> > External Email
> >
> > Fixes: 7cacb05655 ("doc: add generic build instructions for sample
> > apps")
> > Cc: sta...@dpdk.org
> >
> > Signed-off-by: Gavin Hu <gavin...@arm.com>
> > Reviewed-by: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com>
> > ---
> >  doc/guides/sample_app_ug/compiling.rst | 15 ++++++++++++++-
> >  1 file changed, 14 insertions(+), 1 deletion(-)
> >
> > diff --git a/doc/guides/sample_app_ug/compiling.rst
> > b/doc/guides/sample_app_ug/compiling.rst
> > index a2d75ed22..6f04743c8 100644
> > --- a/doc/guides/sample_app_ug/compiling.rst
> > +++ b/doc/guides/sample_app_ug/compiling.rst
> > @@ -9,7 +9,6 @@ This section explains how to compile the DPDK sample
> applications.
> >  To compile all the sample applications
> >  --------------------------------------
> >
> > -
> >  Set the path to DPDK source code if its not set:
> >
> >      .. code-block:: console
> > @@ -93,3 +92,17 @@ Build the application:
> >
> >          export RTE_TARGET=build
> >          make
> > +
> > +To cross compile the sample application(s)
> > +------------------------------------------
> > +
> > +For cross compiling the sample application(s), please append
> 'CROSS=$(CROSS_COMPILER_PREFIX)' to the 'make' command.
> > +In example of AARCH64 cross compiling:
> > +
> > +    .. code-block:: console
> > +
> > +        export RTE_TARGET=build
> > +        export RTE_SDK=/path/to/rte_sdk
> > +        make -C examples CROSS=aarch64-linux-gnu-
> > +               or
> > +        make CROSS=aarch64-linux-gnu-
> 
> It should be make -C examples/l3fwd CROSS=aarch64-linux-gnu-, Right? as
> without giving directory it builds the SDK only.

-C examples/l3fwd can be ignored if the $(pwd) is already in there. 

> 
> > --
> > 2.11.0
> >