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Help: Document that file(GENERATE) re-writes only when needed.

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Stephen Kelly
2014-06-05 11:58:02 +02:00
parent 95135ac336
commit 5fb9b16d0c
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Help/command/file.rst
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@@ -271,6 +271,8 @@ from the input content to produce the output content. The options are:
Exactly one ``CONTENT`` or ``INPUT`` option must be given. A specific
``OUTPUT`` file may be named by at most one invocation of ``file(GENERATE)``.
Generated files are modified on subsequent cmake runs only if their content
is changed.
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