Commit d192caef authored by Hong Xu's avatar Hong Xu Committed by Brad King
Browse files

CMakeDependentOption: Document that 4th parameter follows if-syntax

parent 7bacf023
......@@ -29,6 +29,8 @@ If used, it must be a verbatim
repeat of the argument of the opening
``if`` command.
.. _`Condition Syntax`:
Condition Syntax
......@@ -12,7 +12,7 @@ conditions are true. When the option is not presented a default value
is used, but any value set by the user is preserved for when the
option is presented again. Example invocation:
.. code-block:: cmake
......@@ -21,7 +21,8 @@ If USE_BAR is true and USE_ZOT is false, this provides an option
called USE_FOO that defaults to ON. Otherwise, it sets USE_FOO to
OFF. If the status of USE_BAR or USE_ZOT ever changes, any value for
the USE_FOO option is saved so that when the option is re-enabled it
retains its old value.
retains its old value. Each element in the fourth parameter is
evaluated as an if-condition, so :ref:`Condition Syntax` can be used.
macro(CMAKE_DEPENDENT_OPTION option doc default depends force)
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