f681e9f736
Type: docs Change-Id: I1a37450261e0bcedf90685243b14027f3cf23704 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
73 lines
2.1 KiB
ReStructuredText
73 lines
2.1 KiB
ReStructuredText
.. _cross_compile_macos :
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Cross compilation on MacOS
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==========================
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This is a first attempt to support Cross compilation of VPP on MacOS for development (linting, completion, compile_commands.json)
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**Prerequisites**
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* You'll need to install the following packages
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.. code-block:: console
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$ pip3 install ply pyyaml jsonschema
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$ brew install diffutils gnu-sed pkg-config ninja crosstool-ng
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* You'll also need to install ``gnu-ident 2.2.11`` to be able to ``make checkstyle``. This can be done with :ref:`this doc<install_indent_2_2_11>`
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* You should link the binaries to make them available in your path with their original names e.g. :
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.. code-block:: console
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$ ln -s $(which gsed) /usr/local/bin/sed
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$ ln -s $(which gindent) /usr/local/bin/indent
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$ ln -s /usr/local/Cellar/diffutils/3.7/bin/diff /usr/local/bin/diff
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**Setup**
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* Create a `cross compile toolchain <https://crosstool-ng.github.io/>`_
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* Create a case sensitive volume and mount the toolchain in it e.g. in ``/Volumes/xchain``
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* Create a xchain.toolchain file with ``$VPP_DIR/extras/scripts/cross_compile_macos.sh conf /Volumes/xchan``
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For now we don't support e-build so dpdk, rdma, quicly won't be compiled as part of ``make build``
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To build with the toolchain do:
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.. code-block:: console
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$ $VPP_DIR/extras/scripts/cross_compile_macos.sh build
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To get the compile_commands.json do
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.. code-block:: console
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$ $VPP_DIR/extras/scripts/cross_compile_macos.sh cc
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$ >> ./build-root/build-vpp[_debug]-native/vpp/compile_commands.json
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This should build vpp on MacOS
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Good luck :)
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.. _install_indent_2_2_11 :
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Installing indent 2.2.11
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------------------------
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In order to install indent on macos :
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.. code-block:: bash
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$ wget http://mirror.sergal.org/gnu/indent/indent-2.2.11.tar.gz
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$ tar -xzvf indent-2.2.11.tar.gz
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$ cd indent-2.2.11
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$ ./configure --disable-dependency-tracking --disable-debug --program-prefix=g --prefix=/usr/local/Cellar/gnu-indent/2.2.11
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Install will exit with an error code, but indent 2.2.11 will still be installed in ``/usr/local/bin/gindent``
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Other mirrors can be found on the `GNU website <https://www.gnu.org/prep/ftp.html>`_
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