Drop workaround for non-ANSI 'for' scope

We no longer support compilers that do not have ANSI for scope.

Change-Id: I59510739ed47ab084e9af108bfe686dccdd9d822

CMakeLists.txt

@@ -502,7 +502,6 @@ ADD_DEFINITIONS(-DVTK_IN_VTK)
 INCLUDE(CMakeBackwardCompatibilityC)
 INCLUDE(TestForANSIStreamHeaders)
 INCLUDE(TestForSTDNamespace)
-INCLUDE(TestForANSIForScope)
 
 # Simulate old CMakeBackwardCompatibilityCXX test.
 INCLUDE(TestForSSTREAM)
@@ -538,7 +537,6 @@ VTK_PREPARE_CMAKEDEFINE("" CMAKE_HP_PTHREADS VTK_HP_PTHREADS)
 VTK_PREPARE_CMAKEDEFINE("" CMAKE_USE_WIN32_THREADS VTK_USE_WIN32_THREADS)
 VTK_PREPARE_CMAKEDEFINE("" CMAKE_NO_ANSI_STRING_STREAM VTK_NO_ANSI_STRING_STREAM)
 VTK_PREPARE_CMAKEDEFINE("" CMAKE_NO_STD_NAMESPACE VTK_NO_STD_NAMESPACE)
-VTK_PREPARE_CMAKEDEFINE(NOT CMAKE_ANSI_FOR_SCOPE VTK_NO_FOR_SCOPE)
 VTK_PREPARE_CMAKEDEFINE(NOT VTK_EXPLICIT_TEMPLATES
                   VTK_NO_EXPLICIT_TEMPLATE_INSTANTIATION)
 VTK_PREPARE_CMAKEDEFINE(NOT VTK_COMPILER_HAS_FULL_SPECIALIZATION

vtkConfigure.h.in

@@ -97,7 +97,6 @@
 #cmakedefine VTK_NO_FULL_TEMPLATE_SPECIALIZATION
 #cmakedefine VTK_NO_ANSI_STRING_STREAM
 #cmakedefine VTK_NO_STD_NAMESPACE
-#cmakedefine VTK_NO_FOR_SCOPE
 #cmakedefine VTK_COMPILER_HAS_BOOL
 #cmakedefine VTK_ISTREAM_SUPPORTS_LONG_LONG
 #cmakedefine VTK_OSTREAM_SUPPORTS_LONG_LONG
@@ -206,22 +205,6 @@ typedef int vtkstd_bool;
 # endif
 #endif
 
-#cmakedefine VTK_USE_FOR_SCOPE_WORKAROUND
-
-/* Use the common for-scope work-around when compiling a source in VTK.  */
-/* External Projects can set VTK_USE_FOR_SCOPE_WORKAROUND to get this "fix" */
-#if (defined(VTK_IN_VTK) && !defined(VTK_NO_WORKAROUND_FOR_SCOPE)) || defined(VTK_USE_FOR_SCOPE_WORKAROUND)
-# define VTK_WORKAROUND_FOR_SCOPE
-#endif
-#if defined(VTK_NO_FOR_SCOPE) && defined(VTK_WORKAROUND_FOR_SCOPE)
-# ifndef for
-#  define for if(0) {} else for
-#  if defined(_MSC_VER)
-#   pragma warning (disable: 4127) /* conditional expression is constant */
-#  endif
-# endif
-#endif
-
 /* Provide missing streaming operators.  */
 #if defined(VTK_SIZEOF_LONG_LONG)
 # if !defined(VTK_OSTREAM_SUPPORTS_LONG_LONG)