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# set_property

Set a named property in a given scope.

    set_property(<GLOBAL                            |
                  DIRECTORY [dir]                   |
                  TARGET    [target1 [target2 ...]] |
                  SOURCE    [src1 [src2 ...]]       |
                  INSTALL   [file1 [file2 ...]]     |
                  TEST      [test1 [test2 ...]]     |
                  CACHE     [entry1 [entry2 ...]]>
                 [APPEND] [APPEND_STRING]
                 PROPERTY <name> [value1 [value2 ...]])

Set 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.
`TARGET`
  Scope may name zero or more existing targets.
`SOURCE`
  Scope may name zero or more source files. Note that source file properties are visible only to targets added in the same directory (CMakeLists.txt).
`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.
`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. If the `APPEND_STRING` option is given the string is append to any existing property value as string, i.e. it results in a longer string and not a list of strings.

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