diff --git a/Modules/Compiler/AppleClang-CXX.cmake b/Modules/Compiler/AppleClang-CXX.cmake
index e5fd647..d34d494 100644
--- a/Modules/Compiler/AppleClang-CXX.cmake
+++ b/Modules/Compiler/AppleClang-CXX.cmake
@@ -8,6 +8,7 @@
 if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.0)
   set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98")
   set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
 
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
diff --git a/Modules/Compiler/Clang-CXX.cmake b/Modules/Compiler/Clang-CXX.cmake
index e99011b..34ffd66 100644
--- a/Modules/Compiler/Clang-CXX.cmake
+++ b/Modules/Compiler/Clang-CXX.cmake
@@ -19,6 +19,7 @@
   if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1)
     set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
     set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
+    set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1)
     set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x")
     set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x")
@@ -59,6 +60,7 @@
   # support for -std: flags.
   set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "")
   set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std:c++14")
diff --git a/Modules/Compiler/GNU-CXX.cmake b/Modules/Compiler/GNU-CXX.cmake
index 0058223..7202607 100644
--- a/Modules/Compiler/GNU-CXX.cmake
+++ b/Modules/Compiler/GNU-CXX.cmake
@@ -19,6 +19,7 @@
 if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
 elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
   # 4.3 supports 0x variants
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x")
diff --git a/Modules/Compiler/Intel-CXX.cmake b/Modules/Compiler/Intel-CXX.cmake
index c115b6a..471dd4a 100644
--- a/Modules/Compiler/Intel-CXX.cmake
+++ b/Modules/Compiler/Intel-CXX.cmake
@@ -30,6 +30,7 @@
   if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
     set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
     set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
+    set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   endif()
 
 else()
@@ -64,6 +65,7 @@
   if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
     set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98")
     set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
+    set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   endif()
 
 endif()
diff --git a/Modules/Compiler/MSVC-CXX.cmake b/Modules/Compiler/MSVC-CXX.cmake
index be259ff..691926f 100644
--- a/Modules/Compiler/MSVC-CXX.cmake
+++ b/Modules/Compiler/MSVC-CXX.cmake
@@ -11,6 +11,7 @@
   # with the default and minimum level being C++14.
   set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "")
   set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std:c++14")
diff --git a/Modules/Compiler/SunPro-CXX.cmake b/Modules/Compiler/SunPro-CXX.cmake
index 5ce58b2..c2f6d1d 100644
--- a/Modules/Compiler/SunPro-CXX.cmake
+++ b/Modules/Compiler/SunPro-CXX.cmake
@@ -48,6 +48,7 @@
 if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.13)
   set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++03")
   set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=c++03")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=c++11")
   set(CMAKE_CXX_LINK_WITH_STANDARD_COMPILE_OPTION 1)