Help:Check*: include CMAKE_REQUIRED_* vars to dedupe

CMAKE_REQUIRED_FLAGS now notes that space-delimited string, not
;-list is required, which could be surprising compared to similar
options that do use ;-list

1 files changed, 11 insertions, 16 deletions

diff --git a/Modules/CheckIncludeFileCXX.cmake b/Modules/CheckIncludeFileCXX.cmake
index d27b485e57..53d9a456e0 100644
--- a/Modules/CheckIncludeFileCXX.cmake
+++ b/Modules/CheckIncludeFileCXX.cmake
@@ -21,22 +21,17 @@ Provides a macro to check if a header file can be included in ``CXX``.
 The following variables may be set before calling this macro to modify
 the way the check is run:
 
-``CMAKE_REQUIRED_FLAGS``
-  string of compile command line flags.
-``CMAKE_REQUIRED_DEFINITIONS``
-  a :ref:`;-list <CMake Language Lists>` of macros to define (-DFOO=bar).
-``CMAKE_REQUIRED_INCLUDES``
-  a :ref:`;-list <CMake Language Lists>` of header search paths to pass to
-  the compiler.
-``CMAKE_REQUIRED_LINK_OPTIONS``
-  .. versionadded:: 3.14
-    a :ref:`;-list <CMake Language Lists>` of options to add to the link command.
-``CMAKE_REQUIRED_LIBRARIES``
-  a :ref:`;-list <CMake Language Lists>` of libraries to add to the link
-  command. See policy :policy:`CMP0075`.
-``CMAKE_REQUIRED_QUIET``
-  .. versionadded:: 3.1
-    execute quietly without messages.
+.. include:: /module/CMAKE_REQUIRED_FLAGS.txt
+
+.. include:: /module/CMAKE_REQUIRED_DEFINITIONS.txt
+
+.. include:: /module/CMAKE_REQUIRED_INCLUDES.txt
+
+.. include:: /module/CMAKE_REQUIRED_LINK_OPTIONS.txt
+
+.. include:: /module/CMAKE_REQUIRED_LIBRARIES.txt
+
+.. include:: /module/CMAKE_REQUIRED_QUIET.txt
 
 See modules :module:`CheckIncludeFile` and :module:`CheckIncludeFiles`
 to check for one or more ``C`` headers.