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set_property
------------
Set a named property in a given scope.
.. code-block:: cmake
set_property(<GLOBAL |
DIRECTORY [<dir>] |
TARGET [<target1> ...] |
SOURCE [<src1> ...]
[<TARGET_DIRECTORY ... | DIRECTORY ...>] |
INSTALL [<file1> ...] |
TEST [<test1> ...] |
CACHE [<entry1> ...] >
[APPEND] [APPEND_STRING]
PROPERTY <name> [value1 ...])
Sets one property on zero or more objects of a scope.
The first argument determines the scope in which the property is set.
It must be one of the following:
``GLOBAL``
Scope is unique and does not accept a name.
``DIRECTORY``
Scope defaults to the current directory but another directory
(already processed by CMake) may be named by full or relative path.
See also the :command:`set_directory_properties` command.
``TARGET``
Scope may name zero or more existing targets.
See also the :command:`set_target_properties` command.
``SOURCE``
Scope may name zero or more source files. Note that source
file properties are by default visible only to targets added in the same
directory (``CMakeLists.txt``).
The file properties can be made visible in a different directory by specifying
one of the additional options: ``TARGET_DIRECTORY`` or ``DIRECTORY``.
``DIRECTORY`` takes a list of processed directories paths, and sets the file
properties in those directory scopes.
``TARGET_DIRECTORY`` takes a list of existing targets. The file
properties will be set in these targets' directory scopes.
See also the :command:`set_source_files_properties` command.
``INSTALL``
Scope may name zero or more installed file paths.
These are made available to CPack to influence deployment.
Both the property key and value may use generator expressions.
Specific properties may apply to installed files and/or directories.
Path components have to be separated by forward slashes,
must be normalized and are case sensitive.
To reference the installation prefix itself with a relative path use ``.``.
Currently installed file properties are only defined for
the WIX generator where the given paths are relative
to the installation prefix.
``TEST``
Scope may name zero or more existing tests.
See also the :command:`set_tests_properties` command.
``CACHE``
Scope must name zero or more cache existing entries.
The required ``PROPERTY`` option is immediately followed by the name of
the property to set. Remaining arguments are used to compose the
property value in the form of a semicolon-separated list.
If the ``APPEND`` option is given the list is appended to any existing
property value (except that empty values are ignored and not appended).
If the ``APPEND_STRING`` option is given the string is
appended to any existing property value as string, i.e. it results in a
longer string and not a list of strings. When using ``APPEND`` or
``APPEND_STRING`` with a property defined to support ``INHERITED``
behavior (see :command:`define_property`), no inheriting occurs when
finding the initial value to append to. If the property is not already
directly set in the nominated scope, the command will behave as though
``APPEND`` or ``APPEND_STRING`` had not been given.
See the :manual:`cmake-properties(7)` manual for a list of properties
in each scope.
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