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Merge topic 'FindPython-find_strategy'

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8517b549f4 FindPython: Add policy to manage lookup stratgey default.
9f205acefe FindPython: Implement lookup strategies.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3354
This commit is contained in:
Brad King
2019-05-23 12:52:47 +00:00
committed by Kitware Robot
parent cbd1c5b4ab 8517b549f4
commit 5222400d9f
10 changed files with 883 additions and 376 deletions
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Help/manual/cmake-policies.7.rst
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@@ -57,6 +57,7 @@ Policies Introduced by CMake 3.15
.. toctree::
:maxdepth: 1
CMP0094: FindPython3, FindPython2 and FindPython use LOCATION for lookup strategy. </policy/CMP0094>
CMP0093: FindBoost reports Boost_VERSION in x.y.z format. </policy/CMP0093>
CMP0092: MSVC warning flags are not in CMAKE_{C,CXX}_FLAGS by default. </policy/CMP0092>
CMP0091: MSVC runtime library flags are selected by an abstraction. </policy/CMP0091>
Help/policy/CMP0094.rst
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CMP0094
-------
Modules :module:`FindPython3`, :module:`FindPython2` and :module:`FindPython`
use ``LOCATION`` for lookup strategy.
Starting with CMake 3.15, Modules :module:`FindPython3`, :module:`FindPython2`
and :module:`FindPython` set value ``LOCATION`` for, respectively, variables
``Python3_FIND_STRATEGY``, ``Python2_FIND_STRATEGY`` and
``Python_FIND_STRATEGY``. This policy provides compatibility with projects that
expect the legacy behavior.
The ``OLD`` behavior for this policy set value ``VERSION`` for variables
``Python3_FIND_STRATEGY``, ``Python2_FIND_STRATEGY`` and
``Python_FIND_STRATEGY``.
This policy was introduced in CMake version 3.15. Use the
:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
Unlike many policies, CMake version |release| does *not* warn
when this policy is not set and simply uses the ``OLD`` behavior.
.. include:: DEPRECATED.txt
Help/release/dev/FindPython-CMP0094.rst
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FindPython-CMP0094
------------------
* Modules :module:`FindPython3`, :module:`FindPython2` and :module:`FindPython`
have changed default strategy for lookup. See policy :policy:`CMP0094`.
Help/release/dev/FindPython-FIND_STRATEGY.rst
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FindPython-FIND_STRATEGY
------------------------
* Modules :module:`FindPython3`, :module:`FindPython2` and :module:`FindPython`
gain a new way to control lookup strategy.