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Diffstat (limited to 'Help/policy/CMP0124.rst')
| -rw-r--r-- | Help/policy/CMP0124.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Help/policy/CMP0124.rst b/Help/policy/CMP0124.rst new file mode 100644 index 000000000..88d03e35d --- /dev/null +++ b/Help/policy/CMP0124.rst @@ -0,0 +1,20 @@ +CMP0124 +------- + +.. versionadded:: 3.21 + +The loop variables created by :command:`foreach` command have now their scope +restricted to the loop scope. + +Starting with CMake 3.21, the :command:`foreach` command ensures that the loop +variables have their scope restricted to the loop scope. + +The ``OLD`` behavior for this policy let the loop variables to exist, with an +empty value, in the outer scope of loop scope. + +This policy was introduced in CMake version 3.21. Use the +:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly. +Unlike many policies, CMake version |release| does *not* warn when the policy +is not set and simply uses ``OLD`` behavior. + +.. include:: DEPRECATED.txt |