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@@ -41,3 +41,23 @@ When more than one value is given to the ``NAMES`` option this command by
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default will consider one name at a time and search every directory
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for it. The ``NAMES_PER_DIR`` option tells this command to consider one
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directory at a time and search for all names in it.
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+
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+The set of files considered to be programs is platform-specific:
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+
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+* On Windows, filename suffixes are considered in order ``.com``, ``.exe``,
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+ and no suffix.
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+
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+* On non-Windows systems, no filename suffix is considered, but files
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+ must have execute permission (see policy :policy:`CMP0109`).
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+
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+To search for scripts, specify an extension explicitly:
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+
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+.. code-block:: cmake
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+
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+ if(WIN32)
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+ set(_script_suffix .bat)
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+ else()
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+ set(_script_suffix .sh)
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+ endif()
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+
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+ find_program(MY_SCRIPT NAMES my_script${_script_suffix})
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