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| author | Ben Boeckel <ben.boeckel@kitware.com> | 2018-10-11 22:08:03 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2018-10-15 17:59:39 (GMT) |
| commit | 82a48226107e2ee0d073eaf521750c8354b67e41 (patch) | |
| tree | 14408171e839f774b71c302f12d9af4f9c28ec46 /Help/manual/cmake-language.7.rst | |
| parent | fd02538974dd952a8639d371c2c0067d30d5469a (diff) | |
| download | CMake-82a48226107e2ee0d073eaf521750c8354b67e41.zip CMake-82a48226107e2ee0d073eaf521750c8354b67e41.tar.gz CMake-82a48226107e2ee0d073eaf521750c8354b67e41.tar.bz2 | |
CMP0053: document that `$` is a valid literal variable character
This was overlooked in the initial implementation of CMP0053. However,
an additional policy to reject it again is not worth it. Instead, add
tests and document the behavior.
Fixes: #17883
Diffstat (limited to 'Help/manual/cmake-language.7.rst')
| -rw-r--r-- | Help/manual/cmake-language.7.rst | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Help/manual/cmake-language.7.rst b/Help/manual/cmake-language.7.rst index 591f73d..71649ba 100644 --- a/Help/manual/cmake-language.7.rst +++ b/Help/manual/cmake-language.7.rst @@ -391,8 +391,9 @@ inside out, e.g. ``${outer_${inner_variable}_variable}``. Literal variable references may consist of alphanumeric characters, the characters ``/_.+-``, and `Escape Sequences`_. Nested references -may be used to evaluate variables of any name. (See also policy -:policy:`CMP0053` documentation for historical considerations.) +may be used to evaluate variables of any name. See also policy +:policy:`CMP0053` documentation for historical considerations and reasons why +the ``$`` is also technically permitted but is discouraged. The `Variables`_ section documents the scope of variable names and how their values are set. |