How do I get the INCLUDE_DIRECTORIES path? I need to feed into into the
search path for the swig command line.
Documentation taken from a "man cmake" command:
GET_DIRECTORY_PROPERTY
Get a property of the directory.
GET_DIRECTORY_PROPERTY(VAR [DIRECTORY dir] property)
Get a property from the Directory. The value of the property is
stored in the variable VAR. If the property is not found, CMake
will report an error. The properties include: VARIABLES,
CACHE_VARIABLES, COMMANDS, MACROS, INCLUDE_DIRECTORIES,
LINK_DIRECTORIES, DEFINITIONS, INCLUDE_REGULAR_EXPRESSION, LIST-
FILE_STACK, PARENT_DIRECTORY, and DEFINITION varname. If the
DIRECTORY argument is provided then the property of the provided
directory will be retrieved instead of the current directory.
You can only get properties of a directory during or after it
has been traversed by cmake.
--Sylvain
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