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Merge topic 'clarifyFileGenerateDocs'

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d039f741 Help: Clarify file(GENERATE) only writes output file at generation phase

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !681
This commit is contained in:
Brad King 2017-04-10 14:01:00 +00:00 committed by Kitware Robot
commit 5e95a99088
1 changed files with 5 additions and 0 deletions
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Help/command/file.rst
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@ -304,6 +304,11 @@ Exactly one ``CONTENT`` or ``INPUT`` option must be given. A specific
Generated files are modified on subsequent cmake runs only if their content
is changed.
Note also that ``file(GENERATE)`` does not create the output file until the
generation phase. The output file will not yet have been written when the
``file(GENERATE)`` command returns, it is written only after processing all
of a project's ``CMakeLists.txt`` files.
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