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| author | Brad King <brad.king@kitware.com> | 2024-05-10 13:50:02 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2024-05-10 13:50:33 (GMT) |
| commit | d6bda72981974888049fb2441e96f578d2d3deae (patch) | |
| tree | e1d15e5589850c6b668b60f8de2d106448146685 /Help | |
| parent | 2e5b40f581c9c58a92d6f166e6ca28e8a3cc3563 (diff) | |
| download | CMake-d6bda72981974888049fb2441e96f578d2d3deae.zip CMake-d6bda72981974888049fb2441e96f578d2d3deae.tar.gz CMake-d6bda72981974888049fb2441e96f578d2d3deae.tar.bz2 | |
Help: Document TARGET_PROPERTY genex behavior on unset property
Also add an explicit test for the case.
Fixes: #25968
Diffstat (limited to 'Help')
| -rw-r--r-- | Help/manual/cmake-generator-expressions.7.rst | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Help/manual/cmake-generator-expressions.7.rst b/Help/manual/cmake-generator-expressions.7.rst index f8c722b..49d94ef 100644 --- a/Help/manual/cmake-generator-expressions.7.rst +++ b/Help/manual/cmake-generator-expressions.7.rst @@ -1751,7 +1751,8 @@ These expressions look up the values of .. genex:: $<TARGET_PROPERTY:tgt,prop> - Value of the property ``prop`` on the target ``tgt``. + Value of the property ``prop`` on the target ``tgt``, or empty if + the property is not set. Note that ``tgt`` is not added as a dependency of the target this expression is evaluated on. @@ -1767,9 +1768,10 @@ These expressions look up the values of :target: TARGET_PROPERTY:prop Value of the property ``prop`` on the target for which the expression - is being evaluated. Note that for generator expressions in - :ref:`Target Usage Requirements` this is the consuming target rather - than the target specifying the requirement. + is being evaluated, or empty if the property is not set. + Note that for generator expressions in :ref:`Target Usage Requirements` + this is the consuming target rather than the target specifying the + requirement. The expressions have special evaluation rules for some properties: |