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| author | Ben Boeckel <ben.boeckel@kitware.com> | 2016-06-13 13:55:17 (GMT) |
|---|---|---|
| committer | Ben Boeckel <ben.boeckel@kitware.com> | 2016-06-13 13:55:17 (GMT) |
| commit | 42fe7d215092dd1251a9ec298ca83a6ad9e59b86 (patch) | |
| tree | ace3c59aa5640b5c52db4ab9243778c911f5020b /Help | |
| parent | d546456765072e6d4e6307eb6431de23f7bfe418 (diff) | |
| download | CMake-42fe7d215092dd1251a9ec298ca83a6ad9e59b86.zip CMake-42fe7d215092dd1251a9ec298ca83a6ad9e59b86.tar.gz CMake-42fe7d215092dd1251a9ec298ca83a6ad9e59b86.tar.bz2 | |
Help: clarify PARENT_SCOPE behavior
Fixes #15093.
Diffstat (limited to 'Help')
| -rw-r--r-- | Help/command/set.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Help/command/set.rst b/Help/command/set.rst index d04b880..b24ebef 100644 --- a/Help/command/set.rst +++ b/Help/command/set.rst @@ -25,7 +25,9 @@ If the ``PARENT_SCOPE`` option is given the variable will be set in the scope above the current scope. Each new directory or function creates a new scope. This command will set the value of a variable into the parent directory or calling function (whichever is applicable -to the case at hand). +to the case at hand). The previous state of the variable's value stays the +same in the current scope (e.g., if it was undefined before, it is still +undefined and if it had a value, it is still that value). Set Cache Entry ^^^^^^^^^^^^^^^ |