58 lines
1.5 KiB
ReStructuredText
58 lines
1.5 KiB
ReStructuredText
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.. _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:: bash
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pip3 install ply
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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``. You can get it from `GNU <https://www.gnu.org/prep/ftp.html>`_
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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:: bash
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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:: bash
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$VPP_DIR/extras/scripts/cross_compile_macos.sh build
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To get the compile_commands.json do
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.. code-block:: bash
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$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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