109 lines
2.4 KiB
ReStructuredText
109 lines
2.4 KiB
ReStructuredText
.. SPDX-License-Identifier: BSD-3-Clause
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Copyright(c) 2015 Intel Corporation.
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Compiling the Sample Applications
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=================================
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This section explains how to compile the DPDK sample applications.
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To compile all the sample applications
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--------------------------------------
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Set the path to DPDK source code if its not set:
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.. code-block:: console
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export RTE_SDK=/path/to/rte_sdk
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Go to DPDK source:
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.. code-block:: console
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cd $RTE_SDK
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Build DPDK:
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.. code-block:: console
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make defconfig
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make
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Build the sample applications:
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.. code-block:: console
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export RTE_TARGET=build
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make -C examples
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For other possible ``RTE_TARGET`` values and additional information on
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compiling see
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:ref:`Compiling DPDK on Linux <linux_gsg_compiling_dpdk>` or
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:ref:`Compiling DPDK on FreeBSD <building_from_source>`.
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Applications are output to: ``$RTE_SDK/examples/app-dir/build`` or
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``$RTE_SDK/examples/app-dir/$RTE_TARGET``.
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In the example above the compiled application is written to the ``build`` subdirectory.
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To have the applications written to a different location,
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the ``O=/path/to/build/directory`` option may be specified in the make command.
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.. code-block:: console
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make O=/tmp
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To build the applications for debugging use the ``DEBUG`` option.
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This option adds some extra flags, disables compiler optimizations and
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sets verbose output.
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.. code-block:: console
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make DEBUG=1
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To compile a single application
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-------------------------------
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Set the path to DPDK source code:
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.. code-block:: console
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export RTE_SDK=/path/to/rte_sdk
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Go to DPDK source:
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.. code-block:: console
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cd $RTE_SDK
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Build DPDK:
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.. code-block:: console
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make defconfig
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make
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Go to the sample application directory. Unless otherwise specified the sample
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applications are located in ``$RTE_SDK/examples/``.
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Build the application:
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.. code-block:: console
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export RTE_TARGET=build
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make
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To cross compile the sample application(s)
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------------------------------------------
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For cross compiling the sample application(s), please append 'CROSS=$(CROSS_COMPILER_PREFIX)' to the 'make' command.
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In example of AARCH64 cross compiling:
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.. code-block:: console
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export RTE_TARGET=build
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export RTE_SDK=/path/to/rte_sdk
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make -C examples CROSS=aarch64-linux-gnu-
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or
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make CROSS=aarch64-linux-gnu-
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