From 5690a963e92f4b5d04b348bb3b2cefe6a9cfec9a Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 10 Jul 2014 10:51:52 -0400
Subject: [PATCH] Help: Link to variables corresponding to id and version
 expressions (#15012)

In the cmake-generator-expressions(7) manual, link to the variables
that correspond to the PLATFORM_ID, C_COMPILER_ID, CXX_COMPILER_ID,
C_COMPILER_VERSION, and CXX_COMPILER_VERSION generator expressions.
---
 Help/manual/cmake-generator-expressions.7.rst | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Help/manual/cmake-generator-expressions.7.rst b/Help/manual/cmake-generator-expressions.7.rst
index f04702ecf..9e8267416 100644
--- a/Help/manual/cmake-generator-expressions.7.rst
+++ b/Help/manual/cmake-generator-expressions.7.rst
@@ -116,15 +116,20 @@ than 4.2.0.
 ``$<CONFIG>``
   Configuration name
 ``$<PLATFORM_ID>``
-  The CMake-id of the platform
+  The CMake-id of the platform.
+  See also the :variable:`CMAKE_SYSTEM_NAME` variable.
 ``$<C_COMPILER_ID>``
   The CMake-id of the C compiler used.
+  See also the :variable:`CMAKE_<LANG>_COMPILER_ID` variable.
 ``$<CXX_COMPILER_ID>``
   The CMake-id of the CXX compiler used.
+  See also the :variable:`CMAKE_<LANG>_COMPILER_ID` variable.
 ``$<C_COMPILER_VERSION>``
   The version of the C compiler used.
+  See also the :variable:`CMAKE_<LANG>_COMPILER_VERSION` variable.
 ``$<CXX_COMPILER_VERSION>``
   The version of the CXX compiler used.
+  See also the :variable:`CMAKE_<LANG>_COMPILER_VERSION` variable.
 ``$<TARGET_FILE:tgt>``
   Full path to main file (.exe, .so.1.2, .a) where ``tgt`` is the name of a target.
 ``$<TARGET_FILE_NAME:tgt>``