Re: [PATCH v5 2/2] doc: add a guide doc for cross compiling from x86

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

-----Original Message-----
> Date: Tue, 29 May 2018 18:43:36 +0800
> From: Gavin Hu <gavin.hu@arm.com>
> To: dev@dpdk.org
> CC: gavin.hu@arm.com
> Subject: [dpdk-dev] [PATCH v5 2/2] doc: add a guide doc for cross compiling
>  from x86
> X-Mailer: git-send-email 2.1.4
> 
> +   1. EXTRA_CFLAGS and EXTRA_LDFLAGS should be added to include the NUMA headers and link the library respectively,
> +   if the step :ref:`argment_the_cross_toolcain_with_numa_support` was skipped therefore the toolchain was not
> +   argmented with NUMA support.
> +
> +   2. RTE_DEVEL_BUILD has to be disabled, otherwise the numa.h file gets

If the warnings are from numa.h then please use -isystem <numa install dir> instead of disabling RTE_DEVEL_BUILD.


> +   a lot of compiling errors of Werror=cast-qual, Werror=strict-prototypes and Werror=old-style-definition.
> +   An example is given below:
> +
> +   .. code-block:: console
> +
> +      make -j CROSS=aarch64-linux-gnu- CONFIG_RTE_KNI_KMOD=n CONFIG_RTE_EAL_IGB_UIO=n
> +      RTE_DEVEL_BUILD=n EXTRA_CFLAGS="-I<numa_install_dir>/include" EXTRA_LDFLAGS=
> +      "-L<numa_install_dir>/lib -lnuma"
> +

As discussed earlier, meson cross build instruction is missing.


> diff --git a/doc/guides/linux_gsg/index.rst b/doc/guides/linux_gsg/index.rst
> index 2a7bdfe..077f930 100644
> --- a/doc/guides/linux_gsg/index.rst
> +++ b/doc/guides/linux_gsg/index.rst
> @@ -13,6 +13,7 @@ Getting Started Guide for Linux
>      intro
>      sys_reqs
>      build_dpdk
> +    cross_build_dpdk_for_arm64
>      linux_drivers
>      build_sample_apps
>      enable_func
> -- 
> 2.1.4
>