Help: Add `.. versionadded` directives to module docs

Issue: #19715

1 files changed, 14 insertions, 5 deletions

diff --git a/Modules/FindFLEX.cmake b/Modules/FindFLEX.cmake
index 13847367d0..e67e931125 100644
--- a/Modules/FindFLEX.cmake
+++ b/Modules/FindFLEX.cmake
@@ -37,11 +37,20 @@ If flex is found on the system, the module provides the macro:
               )
 
 which creates a custom command to generate the ``FlexOutput`` file from
-the ``FlexInput`` file.  If ``COMPILE_FLAGS`` option is specified, the next
-parameter is added to the flex command line. If flex is configured to
-output a header file, the ``DEFINES_FILE`` option may be used to specify its
-name. Name is an alias used to get details of this custom command.
-Indeed the macro defines the following variables:
+the ``FlexInput`` file.  Name is an alias used to get details of this custom
+command.  If ``COMPILE_FLAGS`` option is specified, the next
+parameter is added to the flex command line.
+
+.. versionadded:: 3.5
+  If flex is configured to
+  output a header file, the ``DEFINES_FILE`` option may be used to specify its
+  name.
+
+.. versionchanged:: 3.17
+  When :policy:`CMP0098` is set to ``NEW``, ``flex`` runs in the
+  :variable:`CMAKE_CURRENT_BINARY_DIR` directory.
+
+The macro defines the following variables:
 
 ::