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Add an entry for custom build directories to the manual 

Signed-off-by: Rudi Grinberg <rudi.grinberg@gmail.com>
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Rudi Grinberg 2018-06-02 18:30:06 +07:00
parent 802363e4ec
commit e1cc944a93
1 changed files with 17 additions and 0 deletions
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doc/usage.rst
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@ -533,3 +533,20 @@ you need to specify the name explicitly via the ``-n`` flag:
Finally, note that jbuilder doesn't allow you to customize the list of
substituted watermarks. If you which to do so, you need to configure
topkg and use it instead of ``jbuilder subst``.
Custom Build Directory
======================
By default dune places all build artifacts in the ``_build`` directory relative
to the user's workspace. However, one can customize this directory by using the
``--build-dir`` flag or the ``DUNE_BUILD_DIR`` environment variable.
.. code:: bash
$ dune build --build-dir _build-foo
# this is equivalent to:
$ DUNE_BUILD_DIR=_build-foo dune build
# Absolute paths are also allowed
$ dune build --build-dir /tmp/build foo.exe