document the fact that --define symbols are completely case insensitive; closes #7506

This commit is contained in:
Araq
2018-09-03 12:09:14 +02:00
parent 4e05bca96f
commit 6261309d1b

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@@ -143,6 +143,9 @@ which may be used in conjunction with the `compile time define
pragmas<manual.html#implementation-specific-pragmas-compile-time-define-pragmas>`_
to override symbols during build time.
Compile time symbols are completely **case insensitive** and underscores are
ignored too. ``--define:FOO`` and ``--define:foo`` are identical.
Configuration files
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