Merge topic 'doc-CheckIncludeFile' into release-4.2

6a6a56b1a0 CheckIncludeFile*: Fix documentation of `<flags>` argument

Acked-by: Kitware Robot <[email protected]>
Merge-request: !11826

Modules/CheckIncludeFile.cmake

@@ -36,7 +36,7 @@ This module provides the following command:
     variable will be created as an internal cache variable.
 
   ``<flags>``
-    (Optional) A :ref:`semicolon-separated list <CMake Language Lists>` of
+    (Optional) A space-separated string of
     additional compilation flags to be added to the check.  Alternatively,
     flags can be also specified with the ``CMAKE_REQUIRED_FLAGS`` variable
     below.

Modules/CheckIncludeFileCXX.cmake

@@ -36,7 +36,7 @@ This module provides the following command:
     variable will be created as an internal cache variable.
 
   ``<flags>``
-    (Optional) A :ref:`semicolon-separated list <CMake Language Lists>` of
+    (Optional) A space-separated string of
     additional compilation flags to be added to the check.  Alternatively,
     flags can be also specified with the ``CMAKE_REQUIRED_FLAGS`` variable
     below.