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Help: Clarify CMP0126 OLD behavior for FORCE and INTERNAL

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Fixes: #23022
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Craig Scott
2021-12-20 21:24:50 +11:00
parent 6b5c836252
commit 47168b2231
1 changed files with 3 additions and 0 deletions
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Help/policy/CMP0126.rst
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@@ -14,6 +14,9 @@ current scope in the following situations:
This can occur when the variable was set on the command line using a form
like ``cmake -DMYVAR=blah`` instead of ``cmake -DMYVAR:STRING=blah``.
* The ``FORCE`` or ``INTERNAL`` keywords were used when setting the cache
variable.
Note that the ``NEW`` behavior has an important difference to the similar
``NEW`` behavior of policy :policy:`CMP0077`. The :command:`set(CACHE)`
command always sets the cache variable if it did not exist previously,