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doc: add cross-compilation in sample apps guide

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Fixes: 7cacb05655 ("doc: add generic build instructions for sample apps")
Cc: stable@dpdk.org

Signed-off-by: Gavin Hu <gavin.hu@arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
This commit is contained in:
Gavin Hu 2018-09-17 10:13:23 +08:00 committed by Thomas Monjalon
parent b84c108742
commit f00d0d5fb6
1 changed files with 14 additions and 1 deletions
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15
doc/guides/sample_app_ug/compiling.rst
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@ -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-