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authorStephen Kelly <steveire@gmail.com>2014-06-05 09:58:02 (GMT)
committerStephen Kelly <steveire@gmail.com>2014-06-05 09:58:02 (GMT)
commit5fb9b16d0cfcd16957818dfcaaf530d6dd432a69 (patch)
tree089b772f841ffd2fff544abc211728ae6278d7c7 /Help/command/file.rst
parent95135ac3362148139bf7f56bbb0894d1294ed65a (diff)
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Help: Document that file(GENERATE) re-writes only when needed.
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diff --git a/Help/command/file.rst b/Help/command/file.rst
index 14ca20c..869350a 100644
--- a/Help/command/file.rst
+++ b/Help/command/file.rst
@@ -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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