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df9c4b1872
Extend commit eb35d8884b (find_package: Use PackageName_ROOT variables
as search prefixes, 2018-03-15, v3.12.0-rc1~349^2) to also check
upper-case `<PACKAGENAME>_ROOT` variables. Add policy `CMP0144` to
enable the behavior in a compatible way.
Fixes: #24403
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1.1 KiB
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34 lines
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<PackageName>_ROOT
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.. versionadded:: 3.12
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.. include:: ENV_VAR.txt
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Calls to :command:`find_package(<PackageName>)` will search in prefixes
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specified by the ``<PackageName>_ROOT`` environment variable, where
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``<PackageName>`` is the (case-preserved) name given to the
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:command:`find_package` call and ``_ROOT`` is literal.
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For example, ``find_package(Foo)`` will search prefixes specified in the
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``Foo_ROOT`` environment variable (if set). See policy :policy:`CMP0074`.
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This variable may hold a single prefix or a list of prefixes separated
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by ``:`` on UNIX or ``;`` on Windows (the same as the ``PATH`` environment
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variable convention on those platforms).
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See also the :variable:`<PackageName>_ROOT` CMake variable.
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.. envvar:: <PACKAGENAME>_ROOT
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.. versionadded:: 3.27
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Calls to :command:`find_package(<PackageName>)` will also search in
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prefixes specified by the upper-case ``<PACKAGENAME>_ROOT`` environment
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variable. See policy :policy:`CMP0144`.
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.. note::
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Note that the ``<PackageName>_ROOT`` and ``<PACKAGENAME>_ROOT``
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environment variables are distinct only on platforms that have
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case-sensitive environments.
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