Commit 5fb9b16d authored by Stephen Kelly's avatar Stephen Kelly
Browse files

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

parent 95135ac3
......@@ -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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