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Diffstat (limited to 'Help/command/configure_file.rst')
| -rw-r--r-- | Help/command/configure_file.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Help/command/configure_file.rst b/Help/command/configure_file.rst index 4304f09..e08c573 100644 --- a/Help/command/configure_file.rst +++ b/Help/command/configure_file.rst @@ -30,9 +30,23 @@ a false constant by the :command:`if` command. The "..." content on the line after the variable name, if any, is processed as above. Input file lines of the form ``#cmakedefine01 VAR`` will be replaced with either ``#define VAR 1`` or ``#define VAR 0`` similarly. +The result lines (with the exception of the ``#undef`` comments) can be +indented using spaces and/or tabs between the ``#`` character +and the ``cmakedefine`` or ``cmakedefine01`` words. This whitespace +indentation will be preserved in the output lines:: + + # cmakedefine VAR + # cmakedefine01 VAR + +will be replaced, if ``VAR`` is defined, with:: + + # define VAR + # define VAR 1 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: |