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| author | Brad King <brad.king@kitware.com> | 2016-06-13 19:19:45 (GMT) |
|---|---|---|
| committer | CMake Topic Stage <kwrobot@kitware.com> | 2016-06-13 19:19:45 (GMT) |
| commit | 1bafa0b3f5195d9a9c952f6ca4115fb8503f769b (patch) | |
| tree | c37e41207a441564f381cb96d26774859fa9c3d0 | |
| parent | 8d80c8961fce8f4b38f412de664f773c213a69b8 (diff) | |
| parent | 42fe7d215092dd1251a9ec298ca83a6ad9e59b86 (diff) | |
| download | CMake-1bafa0b3f5195d9a9c952f6ca4115fb8503f769b.zip CMake-1bafa0b3f5195d9a9c952f6ca4115fb8503f769b.tar.gz CMake-1bafa0b3f5195d9a9c952f6ca4115fb8503f769b.tar.bz2 | |
Merge topic 'parent-scope-docs'
42fe7d21 Help: clarify PARENT_SCOPE behavior
| -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 ^^^^^^^^^^^^^^^ |