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Diffstat (limited to 'Help/command/get_directory_property.rst')
| -rw-r--r-- | Help/command/get_directory_property.rst | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Help/command/get_directory_property.rst b/Help/command/get_directory_property.rst index 218efa9..39015cc 100644 --- a/Help/command/get_directory_property.rst +++ b/Help/command/get_directory_property.rst @@ -8,9 +8,14 @@ Get a property of ``DIRECTORY`` scope. get_directory_property(<variable> [DIRECTORY <dir>] <prop-name>) Stores a property of directory scope in the named ``<variable>``. + The ``DIRECTORY`` argument specifies another directory from which to retrieve the property value instead of the current directory. -The specified directory must have already been traversed by CMake. +It may reference either a source directory, or since CMake 3.19, +a binary directory. Relative paths are treated as relative to the +current source directory. CMake must already know about the directory, +either by having added it through a call to :command:`add_subdirectory` +or being the top level directory. If the property is not defined for the nominated directory scope, an empty string is returned. In the case of ``INHERITED`` properties, |