ceph/src/spdk/dpdk/doc/guides/sample_app_ug/compiling.rst

   1 ..  SPDX-License-Identifier: BSD-3-Clause
   2     Copyright(c) 2015 Intel Corporation.
   3
   4 Compiling the Sample Applications
   5 =================================
   6
   7 This section explains how to compile the DPDK sample applications.
   8
   9 To compile all the sample applications
  10 --------------------------------------
  11
  12
  13 Set the path to DPDK source code if its not set:
  14
  15     .. code-block:: console
  16
  17         export RTE_SDK=/path/to/rte_sdk
  18
  19 Go to DPDK source:
  20
  21     .. code-block:: console
  22
  23         cd $RTE_SDK
  24
  25 Build DPDK:
  26
  27    .. code-block:: console
  28
  29         make defconfig
  30         make
  31
  32 Build the sample applications:
  33
  34    .. code-block:: console
  35
  36        export RTE_TARGET=build
  37        make -C examples
  38
  39 For other possible ``RTE_TARGET`` values and additional information on
  40 compiling see
  41 :ref:`Compiling DPDK on Linux <linux_gsg_compiling_dpdk>` or
  42 :ref:`Compiling DPDK on FreeBSD <building_from_source>`.
  43 Applications are output to: ``$RTE_SDK/examples/app-dir/build`` or
  44 ``$RTE_SDK/examples/app-dir/$RTE_TARGET``.
  45
  46
  47 In the example above the compiled application is written to the ``build`` subdirectory.
  48 To have the applications written to a different location,
  49 the ``O=/path/to/build/directory`` option may be specified in the make command.
  50
  51     .. code-block:: console
  52
  53        make O=/tmp
  54
  55 To build the applications for debugging use the ``DEBUG`` option.
  56 This option adds some extra flags, disables compiler optimizations and
  57 sets verbose output.
  58
  59     .. code-block:: console
  60
  61        make DEBUG=1
  62
  63
  64 To compile a single application
  65 -------------------------------
  66
  67 Set the path to DPDK source code:
  68
  69     .. code-block:: console
  70
  71         export RTE_SDK=/path/to/rte_sdk
  72
  73 Go to DPDK source:
  74
  75     .. code-block:: console
  76
  77        cd $RTE_SDK
  78
  79 Build DPDK:
  80
  81     .. code-block:: console
  82
  83         make defconfig
  84         make
  85
  86 Go to the sample application directory. Unless otherwise specified the sample
  87 applications are located in ``$RTE_SDK/examples/``.
  88
  89
  90 Build the application:
  91
  92     .. code-block:: console
  93
  94         export RTE_TARGET=build
  95         make