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Update cross compile instructions when using cgo #2204

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Merged
jayconrod merged 2 commits into from
Sep 10, 2019
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Update cross compile instructions when using cgo #2204

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Update cross compile instructions when using cgo
robbertvanginkel Aug 27, 2019
0599c56
minor adjustment
Sep 10, 2019
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8 changes: 8 additions & 0 deletions README.rst
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Expand Up @@ -455,6 +455,14 @@ For example:

$ bazel build --platforms=@io_bazel_rules_go//go/toolchain:linux_amd64 //cmd

By default, cgo is disabled when cross-compiling. To cross-compile with cgo,
add a ``_cgo`` suffix to the target platform. You must register a
cross-compiling C/C++ toolchain with Bazel for this to work.

.. code::

$ bazel build --platforms=@io_bazel_rules_go//go/toolchain:linux_amd64_cgo //cmd

Platform-specific sources with build tags or filename suffixes are filtered
automatically at compile time. You can selectively include platform-specific
dependencies with ``select`` expressions (Gazelle does this automatically).
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