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-rw-r--r--Help/command/configure_file.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/Help/command/configure_file.rst b/Help/command/configure_file.rst
index 75ec441..e08c573 100644
--- a/Help/command/configure_file.rst
+++ b/Help/command/configure_file.rst
@@ -45,6 +45,8 @@ will be replaced, if ``VAR`` is defined, with::
If the input file is modified the build system will re-run CMake to
re-configure the file and generate the build system again.
+The generated file is modified and its timestamp updated on subsequent
+cmake runs only if its content is changed.
The arguments are: