19 lines
670 B
ReStructuredText
19 lines
670 B
ReStructuredText
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CMP0124
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-------
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.. versionadded:: 3.21
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When this policy is set to ``NEW``, the scope of loop variables defined by the
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:command:`foreach` command is restricted to the loop only. They will be unset
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at the end of the loop.
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The ``OLD`` behavior for this policy still clears the loop variables at the end
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of the loop, but does not unset them. This leaves them as defined, but empty.
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This policy was introduced in CMake version 3.21. Use the
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:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
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Unlike many policies, CMake version |release| does *not* warn when the policy
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is not set and simply uses ``OLD`` behavior.
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.. include:: DEPRECATED.txt
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