diff --git a/Source/kwsys/CMakeLists.txt b/Source/kwsys/CMakeLists.txt
index 5c30dbd3b..3953b6bf5 100644
--- a/Source/kwsys/CMakeLists.txt
+++ b/Source/kwsys/CMakeLists.txt
@@ -47,13 +47,13 @@
 #      SET(KWSYS_LIBRARY_INSTALL_DIR /lib)
 #      SET(KWSYS_HEADER_INSTALL_DIR /include)
 #
-#  KWSYS_FORCE_OLD_STREAMS = Force use of old non-ANSI C++ streams even if
-#                            new streams are available.  This may be used
-#                            by projects that cannot configure their
-#                            streams library.
+#  KWSYS_IOS_FORCE_OLD = Force use of old non-ANSI C++ streams even if
+#                        new streams are available.  This may be used
+#                        by projects that cannot configure their
+#                        streams library.
 #    Example:
 #
-#      SET(KWSYS_FORCE_OLD_STREAMS 1)
+#      SET(KWSYS_IOS_FORCE_OLD 1)
 #
 
 # Once configured, kwsys should be used as follows from C or C++ code:
@@ -109,36 +109,43 @@ ENDIF(CMAKE_ANSI_CFLAGS)
 
 #-----------------------------------------------------------------------------
 # Configure the standard library header wrappers based on compiler's
-# capabilities and parent project's request.
-INCLUDE(${CMAKE_ROOT}/Modules/CheckIncludeFileCXX.cmake)
-INCLUDE(${CMAKE_ROOT}/Modules/TestForSTDNamespace.cmake)
-CHECK_INCLUDE_FILE_CXX("sstream" CMAKE_HAS_ANSI_STRING_STREAM)
-CHECK_INCLUDE_FILE_CXX("iosfwd" CMAKE_ANSI_IOSFWD_HEADER)
+# capabilities and parent project's request.  Enforce 0/1 as only
+# possible values for configuration into Configure.hxx.
+INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/kwsysPlatformCxxTests.cmake)
 
-# Enforce 0/1 as only possible values.  Needed for the means by which
-# Configure.hxx is implemented.
-IF(CMAKE_NO_STD_NAMESPACE)
-  SET(CMAKE_NO_STD_NAMESPACE 1)
-ELSE(CMAKE_NO_STD_NAMESPACE)
-  SET(CMAKE_NO_STD_NAMESPACE 0)
-ENDIF(CMAKE_NO_STD_NAMESPACE)
+KWSYS_PLATFORM_CXX_TEST(KWSYS_STL_HAVE_STD
+  "Checking whether STL classes are in std namespace" DIRECT)
 
-IF(CMAKE_ANSI_IOSFWD_HEADER)
-  SET(CMAKE_NO_ANSI_STREAM_HEADERS 0)
-ELSE(CMAKE_ANSI_IOSFWD_HEADER)
-  SET(CMAKE_NO_ANSI_STREAM_HEADERS 1)
-ENDIF(CMAKE_ANSI_IOSFWD_HEADER)
+IF(KWSYS_IOS_FORCE_OLD)
+  SET(KWSYS_IOS_HAVE_ANSI 0)
+ELSE(KWSYS_IOS_FORCE_OLD)
+  KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAVE_ANSI
+    "Checking whether ANSI stream headers are available" DIRECT)
+ENDIF(KWSYS_IOS_FORCE_OLD)
 
-IF(CMAKE_HAS_ANSI_STRING_STREAM)
-  SET(CMAKE_NO_ANSI_STRING_STREAM 0)
-ELSE(CMAKE_HAS_ANSI_STRING_STREAM)
-  SET(CMAKE_NO_ANSI_STRING_STREAM 1)
-ENDIF(CMAKE_HAS_ANSI_STRING_STREAM)
+IF(KWSYS_IOS_HAVE_ANSI)
+  KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAVE_STD
+    "Checking whether ANSI streams are in std namespace" DIRECT)
+  KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAVE_SSTREAM
+    "Checking whether ANSI string stream is available" DIRECT)
+ELSE(KWSYS_IOS_HAVE_ANSI)
+  SET(KWSYS_IOS_HAVE_STD 0)
+  SET(KWSYS_IOS_HAVE_SSTREAM 0)
+ENDIF(KWSYS_IOS_HAVE_ANSI)
 
-IF(KWSYS_FORCE_OLD_STREAMS)
-  SET(CMAKE_NO_ANSI_STREAM_HEADERS 1)
-  SET(CMAKE_NO_ANSI_STRING_STREAM 1)
-ENDIF(KWSYS_FORCE_OLD_STREAMS)
+IF(KWSYS_IOS_HAVE_SSTREAM)
+  SET(KWSYS_IOS_HAVE_STRSTREAM_H 0)
+  SET(KWSYS_IOS_HAVE_STRSTREA_H 0)
+ELSE(KWSYS_IOS_HAVE_SSTREAM)
+  KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAVE_STRSTREAM_H
+    "Checking whether strstream.h is available" DIRECT)
+  IF(KWSYS_IOS_HAVE_STRSTREAM_H)
+    SET(KWSYS_IOS_HAVE_STRSTREA_H 0)
+  ELSE(KWSYS_IOS_HAVE_STRSTREAM_H)
+    KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAVE_STRSTREA_H
+      "Checking whether strstrea.h is available" DIRECT)
+  ENDIF(KWSYS_IOS_HAVE_STRSTREAM_H)
+ENDIF(KWSYS_IOS_HAVE_SSTREAM)
 
 IF(KWSYS_NAMESPACE MATCHES "^kwsys$")
   SET(KWSYS_NAME_IS_KWSYS 1)
@@ -146,12 +153,6 @@ ELSE(KWSYS_NAMESPACE MATCHES "^kwsys$")
   SET(KWSYS_NAME_IS_KWSYS 0)
 ENDIF(KWSYS_NAMESPACE MATCHES "^kwsys$")
 
-# Set names that are used in creating Configure.hxx for these test
-# results.
-SET(KWSYS_NO_STD_NAMESPACE ${CMAKE_NO_STD_NAMESPACE})
-SET(KWSYS_NO_ANSI_STREAM_HEADERS ${CMAKE_NO_ANSI_STREAM_HEADERS})
-SET(KWSYS_NO_ANSI_STRING_STREAM ${CMAKE_NO_ANSI_STRING_STREAM})
-
 # Choose default shared/static build if not specified.
 IF(KWSYS_BUILD_SHARED MATCHES "^KWSYS_BUILD_SHARED$")
   SET(KWSYS_BUILD_SHARED ${BUILD_SHARED_LIBS})
@@ -179,14 +180,14 @@ FOREACH(header algorithm deque iterator list map numeric queue set stack string
                utility vector)
   # Configure the header wrapper.
   SET(KWSYS_STL_HEADER "${header}")
-  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/kwsys_std.h.in
-                 ${KWSYS_HEADER_DIR}/std/${header}
+  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/kwsys_stl.h.in
+                 ${KWSYS_HEADER_DIR}/stl/${header}
                  @ONLY IMMEDIATE)
 
   # Create an install target for the header wrapper.
   IF(KWSYS_HEADER_INSTALL_DIR)
-    INSTALL_FILES(${KWSYS_HEADER_INSTALL_DIR}/${KWSYS_NAMESPACE}/std
-      FILES ${KWSYS_HEADER_DIR}/std/${header})
+    INSTALL_FILES(${KWSYS_HEADER_INSTALL_DIR}/${KWSYS_NAMESPACE}/stl
+      FILES ${KWSYS_HEADER_DIR}/stl/${header})
   ENDIF(KWSYS_HEADER_INSTALL_DIR)
 ENDFOREACH(header)
 
@@ -195,14 +196,14 @@ ENDFOREACH(header)
 # may be included.
 FOREACH(header iostream fstream sstream iosfwd)
   # Configure the header wrapper.
-  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/kwsys_std_${header}.h.in
-                 ${KWSYS_HEADER_DIR}/std/${header}
+  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/kwsys_ios_${header}.h.in
+                 ${KWSYS_HEADER_DIR}/ios/${header}
                  @ONLY IMMEDIATE)
 
   # Create an install target for the header wrapper.
   IF(KWSYS_HEADER_INSTALL_DIR)
-    INSTALL_FILES(${KWSYS_HEADER_INSTALL_DIR}/${KWSYS_NAMESPACE}/std
-      FILES ${KWSYS_HEADER_DIR}/std/${header})
+    INSTALL_FILES(${KWSYS_HEADER_INSTALL_DIR}/${KWSYS_NAMESPACE}/ios
+      FILES ${KWSYS_HEADER_DIR}/ios/${header})
   ENDIF(KWSYS_HEADER_INSTALL_DIR)
 ENDFOREACH(header)
 
@@ -366,8 +367,10 @@ ENDIF(KWSYS_USE_Process)
 # Setup testing if not being built as part of another project.
 IF(KWSYS_STANDALONE)
   INCLUDE_DIRECTORIES(${KWSYS_HEADER_ROOT})
+  ADD_EXECUTABLE(testIOS testIOS.cxx)
   ADD_EXECUTABLE(testProcess testProcess.c)
   ADD_EXECUTABLE(test1 test1.cxx)
+  TARGET_LINK_LIBRARIES(testIOS ${KWSYS_NAMESPACE})
   TARGET_LINK_LIBRARIES(testProcess ${KWSYS_NAMESPACE})
   TARGET_LINK_LIBRARIES(test1 ${KWSYS_NAMESPACE})
 ENDIF(KWSYS_STANDALONE)
diff --git a/Source/kwsys/Configure.hxx.in b/Source/kwsys/Configure.hxx.in
index bb506b4cd..21627bd77 100644
--- a/Source/kwsys/Configure.hxx.in
+++ b/Source/kwsys/Configure.hxx.in
@@ -14,53 +14,60 @@
 #ifndef @KWSYS_NAMESPACE@_Configure_hxx
 #define @KWSYS_NAMESPACE@_Configure_hxx
 
-/* Defined if kwsys namespace is "kwsys".  */
-#if @KWSYS_NAME_IS_KWSYS@
-# define @KWSYS_NAMESPACE@_NAME_IS_KWSYS
-#endif
+/* Whether kwsys namespace is "kwsys".  */
+#define @KWSYS_NAMESPACE@_NAME_IS_KWSYS @KWSYS_NAME_IS_KWSYS@
 
-/* Defined if no ANSI C++ stream headers are present.  */
-#if @KWSYS_NO_ANSI_STREAM_HEADERS@
-# define @KWSYS_NAMESPACE@_NO_ANSI_STREAM_HEADERS
-#endif
+/* Whether ANSI C++ stream headers are to be used.  */
+#define @KWSYS_NAMESPACE@_IOS_HAVE_ANSI @KWSYS_IOS_HAVE_ANSI@
 
-/* Defined if no ANSI C++ <sstream> header is present.  */
-#if @KWSYS_NO_ANSI_STRING_STREAM@
-# define @KWSYS_NAMESPACE@_NO_ANSI_STRING_STREAM
-#endif
+/* Whether ANSI C++ streams are in std namespace.  */
+#define @KWSYS_NAMESPACE@_IOS_HAVE_STD @KWSYS_IOS_HAVE_STD@
 
-/* Defined if no std namespace is present.  */
-#if @KWSYS_NO_STD_NAMESPACE@
-# define @KWSYS_NAMESPACE@_NO_STD_NAMESPACE
-#endif
+/* Whether ANSI C++ <sstream> header is to be used.  */
+#define @KWSYS_NAMESPACE@_IOS_HAVE_SSTREAM @KWSYS_IOS_HAVE_SSTREAM@
 
-/* Defined if std namespace is the GCC hack.  */
-#if defined(__GNUC__) && (__GNUC__ < 3)
-# define @KWSYS_NAMESPACE@_FAKE_STD_NAMESPACE
-#endif
+/* Whether old C++ <strstream.h> header is to be used.  */
+#define @KWSYS_NAMESPACE@_IOS_HAVE_STRSTREAM_H @KWSYS_IOS_HAVE_STRSTREAM_H@
 
-/* Define the std namespace macro.  */
-#if defined(@KWSYS_NAMESPACE@_NO_STD_NAMESPACE)
-# define @KWSYS_NAMESPACE@_std
+/* Whether old C++ <strstrea.h> header is to be used.  */
+#define @KWSYS_NAMESPACE@_IOS_HAVE_STRSTREA_H @KWSYS_IOS_HAVE_STRSTREA_H@
+
+/* Whether STL is in std namespace.  */
+#define @KWSYS_NAMESPACE@_STL_HAVE_STD @KWSYS_STL_HAVE_STD@
+
+/* Define the stl namespace macro.  */
+#if @KWSYS_NAMESPACE@_STL_HAVE_STD
+# define @KWSYS_NAMESPACE@_stl std
 #else
-# define @KWSYS_NAMESPACE@_std std
+# define @KWSYS_NAMESPACE@_stl
+#endif
+
+/* Define the ios namespace macro.  */
+#if @KWSYS_NAMESPACE@_IOS_HAVE_STD
+# define @KWSYS_NAMESPACE@_ios_namespace std
+#else
+# define @KWSYS_NAMESPACE@_ios_namespace
+#endif
+#if @KWSYS_NAMESPACE@_IOS_HAVE_SSTREAM
+# define @KWSYS_NAMESPACE@_ios @KWSYS_NAMESPACE@_ios_namespace
+#else
+# define @KWSYS_NAMESPACE@_ios @KWSYS_NAMESPACE@_ios
 #endif
 
 /* If building a C++ file in kwsys itself, give the source file
    access to the macros without a configured namespace.  */
 #if defined(KWSYS_NAMESPACE)
-# if !defined(@KWSYS_NAMESPACE@_NAME_IS_KWSYS)
-#  define kwsys_std @KWSYS_NAMESPACE@_std
-# endif
-# if defined(@KWSYS_NAMESPACE@_NO_STD_NAMESPACE)
-#  define KWSYS_NO_STD_NAMESPACE
-# endif
-# if defined(@KWSYS_NAMESPACE@_NO_ANSI_STREAM_HEADERS)
-#  define KWSYS_NO_ANSI_STREAM_HEADERS
-# endif
-# if defined(@KWSYS_NAMESPACE@_NO_ANSI_STRING_STREAM)
-#  define KWSYS_NO_ANSI_STRING_STREAM
+# if !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
+#  define kwsys_stl @KWSYS_NAMESPACE@_stl
+#  define kwsys_ios @KWSYS_NAMESPACE@_ios
 # endif
+# define KWSYS_NAME_IS_KWSYS        @KWSYS_NAMESPACE@_NAME_IS_KWSYS
+# define KWSYS_IOS_HAVE_ANSI        @KWSYS_NAMESPACE@_IOS_HAVE_ANSI
+# define KWSYS_IOS_HAVE_STD         @KWSYS_NAMESPACE@_IOS_HAVE_STD
+# define KWSYS_IOS_HAVE_SSTREAM     @KWSYS_NAMESPACE@_IOS_HAVE_SSTREAM
+# define KWSYS_IOS_HAVE_STRSTREAM_H @KWSYS_NAMESPACE@_IOS_HAVE_STRSTREAM_H
+# define KWSYS_IOS_HAVE_STRSTREA_H  @KWSYS_NAMESPACE@_IOS_HAVE_STRSTREA_H
+# define KWSYS_STL_HAVE_STD         @KWSYS_NAMESPACE@_STL_HAVE_STD
 #endif
 
 #endif
diff --git a/Source/kwsys/Directory.cxx b/Source/kwsys/Directory.cxx
index 0d1f374ec..29c7d67a1 100644
--- a/Source/kwsys/Directory.cxx
+++ b/Source/kwsys/Directory.cxx
@@ -16,8 +16,8 @@
 
 #include KWSYS_HEADER(Configure.hxx)
 
-#include KWSYS_HEADER(std/string)
-#include KWSYS_HEADER(std/vector)
+#include KWSYS_HEADER(stl/string)
+#include KWSYS_HEADER(stl/vector)
 
 namespace KWSYS_NAMESPACE
 {
@@ -27,10 +27,10 @@ class DirectoryInternals
 {
 public:
   // Array of Files
-  kwsys_std::vector<kwsys_std::string> Files;
+  kwsys_stl::vector<kwsys_stl::string> Files;
   
   // Path to Open'ed directory
-  kwsys_std::string Path;
+  kwsys_stl::string Path;
 };
 
 //----------------------------------------------------------------------------
diff --git a/Source/kwsys/RegularExpression.cxx b/Source/kwsys/RegularExpression.cxx
index 726edc33a..5a2a5e8fd 100644
--- a/Source/kwsys/RegularExpression.cxx
+++ b/Source/kwsys/RegularExpression.cxx
@@ -840,7 +840,7 @@ void         regdump ();
 static char* regprop ();
 #endif
 
-bool RegularExpression::find (kwsys_std::string const& s) 
+bool RegularExpression::find (kwsys_stl::string const& s) 
 {
   return find(s.c_str());
 }
diff --git a/Source/kwsys/RegularExpression.hxx.in b/Source/kwsys/RegularExpression.hxx.in
index 9677cc063..3cc338c10 100644
--- a/Source/kwsys/RegularExpression.hxx.in
+++ b/Source/kwsys/RegularExpression.hxx.in
@@ -35,11 +35,11 @@
 #include <@KWSYS_NAMESPACE@/Configure.h>
 #include <@KWSYS_NAMESPACE@/Configure.hxx>
 
-#include <@KWSYS_NAMESPACE@/std/string>
+#include <@KWSYS_NAMESPACE@/stl/string>
 
 /* Define this macro temporarily to keep the code readable.  */
-#if !defined (KWSYS_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_NAME_IS_KWSYS)
-# define kwsys_std @KWSYS_NAMESPACE@_std
+#if !defined (KWSYS_NAMESPACE) && !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
+# define kwsys_stl @KWSYS_NAMESPACE@_stl
 #endif
 
 namespace @KWSYS_NAMESPACE@
@@ -221,17 +221,17 @@ public:
    * Matches the regular expression to the given std string.
    * Returns true if found, and sets start and end indexes accordingly.
    */
-  bool find (kwsys_std::string const&);               
+  bool find (kwsys_stl::string const&);               
 
   /**
    * Index to start of first find.
    */
-  inline kwsys_std::string::size_type start() const;
+  inline kwsys_stl::string::size_type start() const;
 
   /**
    * Index to end of first find.
    */
-  inline kwsys_std::string::size_type end() const;
+  inline kwsys_stl::string::size_type end() const;
 
   /**
    * Returns true if two regular expressions have the same
@@ -265,9 +265,9 @@ public:
    * Destructor.
    */
   // awf added
-  kwsys_std::string::size_type start(int n) const;
-  kwsys_std::string::size_type end(int n) const;
-  kwsys_std::string match(int n) const;
+  kwsys_stl::string::size_type start(int n) const;
+  kwsys_stl::string::size_type end(int n) const;
+  kwsys_stl::string match(int n) const;
   
   enum { NSUBEXP = 10 };
 private: 
@@ -316,7 +316,7 @@ inline RegularExpression::~RegularExpression ()
 /**
  * Set the start position for the regular expression.
  */
-inline kwsys_std::string::size_type RegularExpression::start () const 
+inline kwsys_stl::string::size_type RegularExpression::start () const 
 {
   return(this->startp[0] - searchstring);
 }
@@ -325,7 +325,7 @@ inline kwsys_std::string::size_type RegularExpression::start () const
 /**
  * Returns the start/end index of the last item found.
  */
-inline kwsys_std::string::size_type RegularExpression::end () const 
+inline kwsys_stl::string::size_type RegularExpression::end () const 
 {
   return(this->endp[0] - searchstring);
 }
@@ -360,7 +360,7 @@ inline void RegularExpression::set_invalid ()
 /**
  * Return start index of nth submatch. start(0) is the start of the full match.
  */
-inline kwsys_std::string::size_type RegularExpression::start(int n) const
+inline kwsys_stl::string::size_type RegularExpression::start(int n) const
 {
   return this->startp[n] - searchstring;
 }
@@ -369,7 +369,7 @@ inline kwsys_std::string::size_type RegularExpression::start(int n) const
 /**
  * Return end index of nth submatch. end(0) is the end of the full match.
  */
-inline kwsys_std::string::size_type RegularExpression::end(int n) const
+inline kwsys_stl::string::size_type RegularExpression::end(int n) const
 {
   return this->endp[n] - searchstring;
 }
@@ -377,16 +377,16 @@ inline kwsys_std::string::size_type RegularExpression::end(int n) const
 /**
  * Return nth submatch as a string.
  */
-inline kwsys_std::string RegularExpression::match(int n) const
+inline kwsys_stl::string RegularExpression::match(int n) const
 {
-  return kwsys_std::string(this->startp[n], this->endp[n] - this->startp[n]);
+  return kwsys_stl::string(this->startp[n], this->endp[n] - this->startp[n]);
 }
 
 } // namespace @KWSYS_NAMESPACE@
 
 /* Undefine temporary macro.  */
-#if !defined (KWSYS_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_NAME_IS_KWSYS)
-# undef kwsys_std
+#if !defined (KWSYS_NAMESPACE) && !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
+# undef kwsys_stl
 #endif
 
 #endif
diff --git a/Source/kwsys/SystemTools.cxx b/Source/kwsys/SystemTools.cxx
index 2f7a54e85..8edc134b2 100644
--- a/Source/kwsys/SystemTools.cxx
+++ b/Source/kwsys/SystemTools.cxx
@@ -15,8 +15,8 @@
 #include KWSYS_HEADER(SystemTools.hxx)
 #include KWSYS_HEADER(Directory.hxx)
 
-#include KWSYS_HEADER(std/iostream)
-#include KWSYS_HEADER(std/fstream)
+#include KWSYS_HEADER(ios/iostream)
+#include KWSYS_HEADER(ios/fstream)
 
 #ifdef _MSC_VER
 # pragma warning (disable: 4786)
@@ -155,25 +155,25 @@ SystemTools::GetTime(void)
 }
 
 // adds the elements of the env variable path to the arg passed in
-void SystemTools::GetPath(kwsys_std::vector<kwsys_std::string>& path)
+void SystemTools::GetPath(kwsys_stl::vector<kwsys_stl::string>& path)
 {
 #if defined(_WIN32) && !defined(__CYGWIN__)
   const char* pathSep = ";";
 #else
   const char* pathSep = ":";
 #endif
-  kwsys_std::string pathEnv = getenv("PATH");
+  kwsys_stl::string pathEnv = getenv("PATH");
   // A hack to make the below algorithm work.  
   if(pathEnv[pathEnv.length()-1] != ':')
     {
     pathEnv += pathSep;
     }
-  kwsys_std::string::size_type start =0;
+  kwsys_stl::string::size_type start =0;
   bool done = false;
   while(!done)
     {
-    kwsys_std::string::size_type endpos = pathEnv.find(pathSep, start);
-    if(endpos != kwsys_std::string::npos)
+    kwsys_stl::string::size_type endpos = pathEnv.find(pathSep, start);
+    if(endpos != kwsys_stl::string::npos)
       {
       path.push_back(pathEnv.substr(start, endpos-start));
       start = endpos+1;
@@ -183,7 +183,7 @@ void SystemTools::GetPath(kwsys_std::vector<kwsys_std::string>& path)
       done = true;
       }
     }
-  for(kwsys_std::vector<kwsys_std::string>::iterator i = path.begin();
+  for(kwsys_stl::vector<kwsys_stl::string>::iterator i = path.begin();
       i != path.end(); ++i)
     {
     SystemTools::ConvertToUnixSlashes(*i);
@@ -195,7 +195,7 @@ const char* SystemTools::GetEnv(const char* key)
   return getenv(key);
 }
 
-bool SystemTools::GetEnv(const char* key, kwsys_std::string& result)
+bool SystemTools::GetEnv(const char* key, kwsys_stl::string& result)
 {
   const char* v = getenv(key);
   if(v)
@@ -225,20 +225,20 @@ bool SystemTools::MakeDirectory(const char* path)
     {
     return true;
     }
-  kwsys_std::string dir = path;
+  kwsys_stl::string dir = path;
   if(dir.size() == 0)
     {
     return false;
     }
   SystemTools::ConvertToUnixSlashes(dir);
 
-  kwsys_std::string::size_type pos = dir.find(':');
-  if(pos == kwsys_std::string::npos)
+  kwsys_stl::string::size_type pos = dir.find(':');
+  if(pos == kwsys_stl::string::npos)
     {
     pos = 0;
     }
-  kwsys_std::string topdir;
-  while((pos = dir.find('/', pos)) != kwsys_std::string::npos)
+  kwsys_stl::string topdir;
+  while((pos = dir.find('/', pos)) != kwsys_stl::string::npos)
     {
     topdir = dir.substr(0, pos);
     Mkdir(topdir.c_str());
@@ -273,7 +273,7 @@ bool SystemTools::MakeDirectory(const char* path)
 
 // replace replace with with as many times as it shows up in source.
 // write the result into source.
-void SystemTools::ReplaceString(kwsys_std::string& source,
+void SystemTools::ReplaceString(kwsys_stl::string& source,
                                    const char* replace,
                                    const char* with)
 {
@@ -318,21 +318,21 @@ void SystemTools::ReplaceString(kwsys_std::string& source,
 //      =>  will return the data of the "Root" value of the key
 
 #if defined(_WIN32) && !defined(__CYGWIN__)
-bool SystemTools::ReadRegistryValue(const char *key, kwsys_std::string &value)
+bool SystemTools::ReadRegistryValue(const char *key, kwsys_stl::string &value)
 {
 
-  kwsys_std::string primary = key;
-  kwsys_std::string second;
-  kwsys_std::string valuename;
+  kwsys_stl::string primary = key;
+  kwsys_stl::string second;
+  kwsys_stl::string valuename;
  
   size_t start = primary.find("\\");
-  if (start == kwsys_std::string::npos)
+  if (start == kwsys_stl::string::npos)
     {
     return false;
     }
 
   size_t valuenamepos = primary.find(";");
-  if (valuenamepos != kwsys_std::string::npos)
+  if (valuenamepos != kwsys_stl::string::npos)
     {
     valuename = primary.substr(valuenamepos+1);
     }
@@ -393,7 +393,7 @@ bool SystemTools::ReadRegistryValue(const char *key, kwsys_std::string &value)
   return false;
 }
 #else
-bool SystemTools::ReadRegistryValue(const char *, kwsys_std::string &)
+bool SystemTools::ReadRegistryValue(const char *, kwsys_stl::string &)
 {
   return false;
 }
@@ -410,18 +410,18 @@ bool SystemTools::ReadRegistryValue(const char *, kwsys_std::string &)
 #if defined(_WIN32) && !defined(__CYGWIN__)
 bool SystemTools::WriteRegistryValue(const char *key, const char *value)
 {
-  kwsys_std::string primary = key;
-  kwsys_std::string second;
-  kwsys_std::string valuename;
+  kwsys_stl::string primary = key;
+  kwsys_stl::string second;
+  kwsys_stl::string valuename;
  
   size_t start = primary.find("\\");
-  if (start == kwsys_std::string::npos)
+  if (start == kwsys_stl::string::npos)
     {
     return false;
     }
 
   size_t valuenamepos = primary.find(";");
-  if (valuenamepos != kwsys_std::string::npos)
+  if (valuenamepos != kwsys_stl::string::npos)
     {
     valuename = primary.substr(valuenamepos+1);
     }
@@ -494,18 +494,18 @@ bool SystemTools::WriteRegistryValue(const char *, const char *)
 #if defined(_WIN32) && !defined(__CYGWIN__)
 bool SystemTools::DeleteRegistryValue(const char *key)
 {
-  kwsys_std::string primary = key;
-  kwsys_std::string second;
-  kwsys_std::string valuename;
+  kwsys_stl::string primary = key;
+  kwsys_stl::string second;
+  kwsys_stl::string valuename;
  
   size_t start = primary.find("\\");
-  if (start == kwsys_std::string::npos)
+  if (start == kwsys_stl::string::npos)
     {
     return false;
     }
 
   size_t valuenamepos = primary.find(";");
-  if (valuenamepos != kwsys_std::string::npos)
+  if (valuenamepos != kwsys_stl::string::npos)
     {
     valuename = primary.substr(valuenamepos+1);
     }
@@ -640,9 +640,9 @@ bool SystemTools::FileExists(const char* filename)
 
 // Return a capitalized string (i.e the first letter is uppercased, all other
 // are lowercased)
-kwsys_std::string SystemTools::Capitalized(const kwsys_std::string& s)
+kwsys_stl::string SystemTools::Capitalized(const kwsys_stl::string& s)
 {
-  kwsys_std::string n;
+  kwsys_stl::string n;
   n.resize(s.size());
   n[0] = toupper(s[0]);
   for (size_t i = 1; i < s.size(); i++)
@@ -654,9 +654,9 @@ kwsys_std::string SystemTools::Capitalized(const kwsys_std::string& s)
 
 
 // Return a lower case string 
-kwsys_std::string SystemTools::LowerCase(const kwsys_std::string& s)
+kwsys_stl::string SystemTools::LowerCase(const kwsys_stl::string& s)
 {
-  kwsys_std::string n;
+  kwsys_stl::string n;
   n.resize(s.size());
   for (size_t i = 0; i < s.size(); i++)
     {
@@ -666,9 +666,9 @@ kwsys_std::string SystemTools::LowerCase(const kwsys_std::string& s)
 }
 
 // Return a lower case string 
-kwsys_std::string SystemTools::UpperCase(const kwsys_std::string& s)
+kwsys_stl::string SystemTools::UpperCase(const kwsys_stl::string& s)
 {
-  kwsys_std::string n;
+  kwsys_stl::string n;
   n.resize(s.size());
   for (size_t i = 0; i < s.size(); i++)
     {
@@ -679,10 +679,10 @@ kwsys_std::string SystemTools::UpperCase(const kwsys_std::string& s)
 
 
 // convert windows slashes to unix slashes 
-void SystemTools::ConvertToUnixSlashes(kwsys_std::string& path)
+void SystemTools::ConvertToUnixSlashes(kwsys_stl::string& path)
 {
-  kwsys_std::string::size_type pos = 0;
-  while((pos = path.find('\\', pos)) != kwsys_std::string::npos)
+  kwsys_stl::string::size_type pos = 0;
+  while((pos = path.find('\\', pos)) != kwsys_stl::string::npos)
     {
     path[pos] = '/';
     pos++;
@@ -696,7 +696,7 @@ void SystemTools::ConvertToUnixSlashes(kwsys_std::string& path)
   start_find = 1;
 #endif
 
-  while((pos = path.find("//", start_find)) != kwsys_std::string::npos)
+  while((pos = path.find("//", start_find)) != kwsys_stl::string::npos)
     {
     SystemTools::ReplaceString(path, "//", "/");
     }
@@ -712,7 +712,7 @@ void SystemTools::ConvertToUnixSlashes(kwsys_std::string& path)
     {
     if (getenv("HOME"))
       {
-      path = kwsys_std::string(getenv("HOME")) + path.substr(1);
+      path = kwsys_stl::string(getenv("HOME")) + path.substr(1);
       }
     }
   
@@ -724,20 +724,20 @@ void SystemTools::ConvertToUnixSlashes(kwsys_std::string& path)
 }
 
 // change // to /, and escape any spaces in the path
-kwsys_std::string SystemTools::ConvertToUnixOutputPath(const char* path)
+kwsys_stl::string SystemTools::ConvertToUnixOutputPath(const char* path)
 {
-  kwsys_std::string ret = path;
+  kwsys_stl::string ret = path;
   
   // remove // except at the beginning might be a cygwin drive
-  kwsys_std::string::size_type pos = 1;
-  while((pos = ret.find("//", pos)) != kwsys_std::string::npos)
+  kwsys_stl::string::size_type pos = 1;
+  while((pos = ret.find("//", pos)) != kwsys_stl::string::npos)
     {
     ret.erase(pos, 1);
     }
   // now escape spaces if there is a space in the path
-  if(ret.find(" ") != kwsys_std::string::npos)
+  if(ret.find(" ") != kwsys_stl::string::npos)
     {
-    kwsys_std::string result = "";
+    kwsys_stl::string result = "";
     char lastch = 1;
     for(const char* ch = ret.c_str(); *ch != '\0'; ++ch)
       {
@@ -754,7 +754,7 @@ kwsys_std::string SystemTools::ConvertToUnixOutputPath(const char* path)
   return ret;
 }
 
-kwsys_std::string SystemTools::ConvertToOutputPath(const char* path)
+kwsys_stl::string SystemTools::ConvertToOutputPath(const char* path)
 {
 #if defined(_WIN32) && !defined(__CYGWIN__)
   return SystemTools::ConvertToWindowsOutputPath(path);
@@ -764,12 +764,12 @@ kwsys_std::string SystemTools::ConvertToOutputPath(const char* path)
 }
 
 // remove double slashes not at the start
-kwsys_std::string SystemTools::ConvertToWindowsOutputPath(const char* path)
+kwsys_stl::string SystemTools::ConvertToWindowsOutputPath(const char* path)
 {  
-  kwsys_std::string ret = path;
-  kwsys_std::string::size_type pos = 0;
+  kwsys_stl::string ret = path;
+  kwsys_stl::string::size_type pos = 0;
   // first convert all of the slashes
-  while((pos = ret.find('/', pos)) != kwsys_std::string::npos)
+  while((pos = ret.find('/', pos)) != kwsys_stl::string::npos)
     {
     ret[pos] = '\\';
     pos++;
@@ -791,16 +791,16 @@ kwsys_std::string SystemTools::ConvertToWindowsOutputPath(const char* path)
       return ret;
       }
     }
-  while((pos = ret.find("\\\\", pos)) != kwsys_std::string::npos)
+  while((pos = ret.find("\\\\", pos)) != kwsys_stl::string::npos)
     {
     ret.erase(pos, 1);
     }
   // now double quote the path if it has spaces in it
   // and is not already double quoted
-  if(ret.find(" ") != kwsys_std::string::npos
+  if(ret.find(" ") != kwsys_stl::string::npos
      && ret[0] != '\"')
     {
-    kwsys_std::string result;
+    kwsys_stl::string result;
     result = "\"" + ret + "\"";
     ret = result;
     }
@@ -845,13 +845,13 @@ bool SystemTools::FilesDiffer(const char* source,
     }
 
 #if defined(_WIN32) || defined(__CYGWIN__)
-  kwsys_std::ifstream finSource(source, (kwsys_std::ios::binary |
-                                         kwsys_std::ios::in));
-  kwsys_std::ifstream finDestination(destination, (kwsys_std::ios::binary |
-                                                   kwsys_std::ios::in));
+  kwsys_ios::ifstream finSource(source, (kwsys_ios::ios::binary |
+                                         kwsys_ios::ios::in));
+  kwsys_ios::ifstream finDestination(destination, (kwsys_ios::ios::binary |
+                                                   kwsys_ios::ios::in));
 #else
-  kwsys_std::ifstream finSource(source);
-  kwsys_std::ifstream finDestination(destination);
+  kwsys_ios::ifstream finSource(source);
+  kwsys_ios::ifstream finDestination(destination);
 #endif
   if(!finSource || !finDestination)
     {
@@ -894,31 +894,31 @@ bool SystemTools::CopyFileAlways(const char* source, const char* destination)
   // If destination is a directory, try to create a file with the same
   // name as the source in that directory.
 
-  kwsys_std::string new_destination;
+  kwsys_stl::string new_destination;
   if(SystemTools::FileExists(destination) &&
      SystemTools::FileIsDirectory(destination))
     {
     new_destination = destination;
     SystemTools::ConvertToUnixSlashes(new_destination);
     new_destination += '/';
-    kwsys_std::string source_name = source;
+    kwsys_stl::string source_name = source;
     new_destination += SystemTools::GetFilenameName(source_name);
     destination = new_destination.c_str();
     }
 
   // Create destination directory
 
-  kwsys_std::string destination_dir = destination;
+  kwsys_stl::string destination_dir = destination;
   destination_dir = SystemTools::GetFilenamePath(destination_dir);
   SystemTools::MakeDirectory(destination_dir.c_str());
 
   // Open files
 
 #if defined(_WIN32) || defined(__CYGWIN__)
-  kwsys_std::ifstream fin(source, 
-                    kwsys_std::ios::binary | kwsys_std::ios::in);
+  kwsys_ios::ifstream fin(source, 
+                    kwsys_ios::ios::binary | kwsys_ios::ios::in);
 #else
-  kwsys_std::ifstream fin(source);
+  kwsys_ios::ifstream fin(source);
 #endif
   if(!fin)
     {
@@ -926,11 +926,11 @@ bool SystemTools::CopyFileAlways(const char* source, const char* destination)
     }
 
 #if defined(_WIN32) || defined(__CYGWIN__)
-  kwsys_std::ofstream fout(destination, 
-                     kwsys_std::ios::binary | kwsys_std::ios::out | kwsys_std::ios::trunc);
+  kwsys_ios::ofstream fout(destination, 
+                     kwsys_ios::ios::binary | kwsys_ios::ios::out | kwsys_ios::ios::trunc);
 #else
-  kwsys_std::ofstream fout(destination, 
-                     kwsys_std::ios::out | kwsys_std::ios::trunc);
+  kwsys_ios::ofstream fout(destination, 
+                     kwsys_ios::ios::out | kwsys_ios::ios::trunc);
 #endif
   if(!fout)
     {
@@ -1021,7 +1021,7 @@ long int SystemTools::ModifiedTime(const char* filename)
 }
 
 
-kwsys_std::string SystemTools::GetLastSystemError()
+kwsys_stl::string SystemTools::GetLastSystemError()
 {
   int e = errno;
   return strerror(e);
@@ -1042,7 +1042,7 @@ bool SystemTools::RemoveADirectory(const char* source)
     if (strcmp(dir.GetFile(static_cast<unsigned long>(fileNum)),".") &&
         strcmp(dir.GetFile(static_cast<unsigned long>(fileNum)),".."))
       {
-      kwsys_std::string fullPath = source;
+      kwsys_stl::string fullPath = source;
       fullPath += "/";
       fullPath += dir.GetFile(static_cast<unsigned long>(fileNum));
       if(SystemTools::FileIsDirectory(fullPath.c_str()))
@@ -1070,17 +1070,17 @@ bool SystemTools::RemoveADirectory(const char* source)
  * the system search path.  Returns the full path to the file if it is
  * found.  Otherwise, the empty string is returned.
  */
-kwsys_std::string SystemTools::FindFile(const char* name, 
-                                       const kwsys_std::vector<kwsys_std::string>& userPaths)
+kwsys_stl::string SystemTools::FindFile(const char* name, 
+                                       const kwsys_stl::vector<kwsys_stl::string>& userPaths)
 {
   // Add the system search path to our path first
-  kwsys_std::vector<kwsys_std::string> path;
+  kwsys_stl::vector<kwsys_stl::string> path;
   SystemTools::GetPath(path);
   // now add the additional paths
   path.insert(path.end(), userPaths.begin(), userPaths.end());
   // now look for the file
-  kwsys_std::string tryPath;
-  for(kwsys_std::vector<kwsys_std::string>::const_iterator p = path.begin();
+  kwsys_stl::string tryPath;
+  for(kwsys_stl::vector<kwsys_stl::string>::const_iterator p = path.begin();
       p != path.end(); ++p)
     {
     tryPath = *p;
@@ -1101,9 +1101,9 @@ kwsys_std::string SystemTools::FindFile(const char* name,
  * the system search path.  Returns the full path to the executable if it is
  * found.  Otherwise, the empty string is returned.
  */
-kwsys_std::string SystemTools::FindProgram(
+kwsys_stl::string SystemTools::FindProgram(
   const char* name,
-  const kwsys_std::vector<kwsys_std::string>& userPaths,
+  const kwsys_stl::vector<kwsys_stl::string>& userPaths,
   bool no_system_path)
 {
   if(!name)
@@ -1116,7 +1116,7 @@ kwsys_std::string SystemTools::FindProgram(
     {
     return SystemTools::CollapseFullPath(name);
     }
-  kwsys_std::string tryPath = name;
+  kwsys_stl::string tryPath = name;
   tryPath += SystemTools::GetExecutableExtension();
   if(SystemTools::FileExists(tryPath.c_str()) &&
      !SystemTools::FileIsDirectory(tryPath.c_str()))
@@ -1125,7 +1125,7 @@ kwsys_std::string SystemTools::FindProgram(
     }
 
   // Add the system search path to our path.
-  kwsys_std::vector<kwsys_std::string> path;
+  kwsys_stl::vector<kwsys_stl::string> path;
   if (!no_system_path)
     {
     SystemTools::GetPath(path);
@@ -1133,7 +1133,7 @@ kwsys_std::string SystemTools::FindProgram(
   // now add the additional paths
   path.insert(path.end(), userPaths.begin(), userPaths.end());
   
-  for(kwsys_std::vector<kwsys_std::string>::const_iterator p = path.begin();
+  for(kwsys_stl::vector<kwsys_stl::string>::const_iterator p = path.begin();
       p != path.end(); ++p)
     {
     tryPath = *p;
@@ -1173,8 +1173,8 @@ kwsys_std::string SystemTools::FindProgram(
  * the system search path.  Returns the full path to the library if it is
  * found.  Otherwise, the empty string is returned.
  */
-kwsys_std::string SystemTools::FindLibrary(const char* name,
-                                       const kwsys_std::vector<kwsys_std::string>& userPaths)
+kwsys_stl::string SystemTools::FindLibrary(const char* name,
+                                       const kwsys_stl::vector<kwsys_stl::string>& userPaths)
 {
   // See if the executable exists as written.
   if(SystemTools::FileExists(name) &&
@@ -1184,12 +1184,12 @@ kwsys_std::string SystemTools::FindLibrary(const char* name,
     }
   
   // Add the system search path to our path.
-  kwsys_std::vector<kwsys_std::string> path;
+  kwsys_stl::vector<kwsys_stl::string> path;
   SystemTools::GetPath(path);
    // now add the additional paths
   path.insert(path.end(), userPaths.begin(), userPaths.end());
-  kwsys_std::string tryPath;
-  for(kwsys_std::vector<kwsys_std::string>::const_iterator p = path.begin();
+  kwsys_stl::string tryPath;
+  for(kwsys_stl::vector<kwsys_stl::string>::const_iterator p = path.begin();
       p != path.end(); ++p)
     {
 #if defined(_WIN32) && !defined(__CYGWIN__)
@@ -1263,23 +1263,23 @@ int SystemTools::ChangeDirectory(const char *dir)
   return Chdir(dir);
 }
 
-kwsys_std::string SystemTools::GetCurrentWorkingDirectory()
+kwsys_stl::string SystemTools::GetCurrentWorkingDirectory()
 {
   char buf[2048];
-  kwsys_std::string path = Getcwd(buf, 2048);
+  kwsys_stl::string path = Getcwd(buf, 2048);
   return path;
 }
 
-kwsys_std::string SystemTools::GetProgramPath(const char* in_name)
+kwsys_stl::string SystemTools::GetProgramPath(const char* in_name)
 {
-  kwsys_std::string dir, file;
+  kwsys_stl::string dir, file;
   SystemTools::SplitProgramPath(in_name, dir, file);
   return dir;
 }
 
 bool SystemTools::SplitProgramPath(const char* in_name,
-                                   kwsys_std::string& dir,
-                                   kwsys_std::string& file,
+                                   kwsys_stl::string& dir,
+                                   kwsys_stl::string& file,
                                    bool)
 {
   dir = in_name;
@@ -1288,8 +1288,8 @@ bool SystemTools::SplitProgramPath(const char* in_name,
   
   if(!SystemTools::FileIsDirectory(dir.c_str()))
     {
-    kwsys_std::string::size_type slashPos = dir.rfind("/");
-    if(slashPos != kwsys_std::string::npos)
+    kwsys_stl::string::size_type slashPos = dir.rfind("/");
+    if(slashPos != kwsys_stl::string::npos)
       {
       file = dir.substr(slashPos+1);
       dir = dir.substr(0, slashPos);
@@ -1302,7 +1302,7 @@ bool SystemTools::SplitProgramPath(const char* in_name,
     }
   if(!(dir == "") && !SystemTools::FileIsDirectory(dir.c_str()))
     {
-    kwsys_std::string oldDir = in_name;
+    kwsys_stl::string oldDir = in_name;
     SystemTools::ConvertToUnixSlashes(oldDir);
     dir = in_name;
     return false;
@@ -1310,19 +1310,19 @@ bool SystemTools::SplitProgramPath(const char* in_name,
   return true;
 }
 
-kwsys_std::string SystemTools::CollapseFullPath(const char* in_relative)
+kwsys_stl::string SystemTools::CollapseFullPath(const char* in_relative)
 {
   return SystemTools::CollapseFullPath(in_relative, 0);
 }
 
-kwsys_std::string SystemTools::CollapseFullPath(const char* in_relative,
+kwsys_stl::string SystemTools::CollapseFullPath(const char* in_relative,
                                             const char* in_base)
 {
-  kwsys_std::string dir, file;
+  kwsys_stl::string dir, file;
   SystemTools::SplitProgramPath(in_relative, dir, file, false);
   
   // Save original working directory.
-  kwsys_std::string orig = SystemTools::GetCurrentWorkingDirectory();
+  kwsys_stl::string orig = SystemTools::GetCurrentWorkingDirectory();
   
   // Change to base of relative path.
   if(in_base)
@@ -1338,7 +1338,7 @@ kwsys_std::string SystemTools::CollapseFullPath(const char* in_relative,
     }
   
   // Get the resulting directory.
-  kwsys_std::string newDir = SystemTools::GetCurrentWorkingDirectory();
+  kwsys_stl::string newDir = SystemTools::GetCurrentWorkingDirectory();
   
   // Add the file back on to the directory.
   SystemTools::ConvertToUnixSlashes(newDir);
@@ -1354,7 +1354,7 @@ kwsys_std::string SystemTools::CollapseFullPath(const char* in_relative,
 # endif
   
   // Resolve relative path.
-  kwsys_std::string newDir;
+  kwsys_stl::string newDir;
   if(!(dir == ""))
     {
     realpath(dir.c_str(), resolved_name);
@@ -1375,7 +1375,7 @@ kwsys_std::string SystemTools::CollapseFullPath(const char* in_relative,
   Chdir(orig.c_str());
   
   // Construct and return the full path.
-  kwsys_std::string newPath = newDir;
+  kwsys_stl::string newPath = newDir;
   if(!(file == ""))
     {
     newPath += "/";
@@ -1384,14 +1384,14 @@ kwsys_std::string SystemTools::CollapseFullPath(const char* in_relative,
   return newPath;
 }
 
-bool SystemTools::Split(const char* str, kwsys_std::vector<kwsys_std::string>& lines)
+bool SystemTools::Split(const char* str, kwsys_stl::vector<kwsys_stl::string>& lines)
 {
-  kwsys_std::string data(str);
-  kwsys_std::string::size_type lpos = 0;
+  kwsys_stl::string data(str);
+  kwsys_stl::string::size_type lpos = 0;
   while(lpos < data.length())
     {
-    kwsys_std::string::size_type rpos = data.find_first_of("\n", lpos);
-    if(rpos == kwsys_std::string::npos)
+    kwsys_stl::string::size_type rpos = data.find_first_of("\n", lpos);
+    if(rpos == kwsys_stl::string::npos)
       {
       // Line ends at end of string without a newline.
       lines.push_back(data.substr(lpos));
@@ -1416,13 +1416,13 @@ bool SystemTools::Split(const char* str, kwsys_std::vector<kwsys_std::string>& l
  * Return path of a full filename (no trailing slashes).
  * Warning: returned path is converted to Unix slashes format.
  */
-kwsys_std::string SystemTools::GetFilenamePath(const kwsys_std::string& filename)
+kwsys_stl::string SystemTools::GetFilenamePath(const kwsys_stl::string& filename)
 {
-  kwsys_std::string fn = filename;
+  kwsys_stl::string fn = filename;
   SystemTools::ConvertToUnixSlashes(fn);
   
-  kwsys_std::string::size_type slash_pos = fn.rfind("/");
-  if(slash_pos != kwsys_std::string::npos)
+  kwsys_stl::string::size_type slash_pos = fn.rfind("/");
+  if(slash_pos != kwsys_stl::string::npos)
     {
     return fn.substr(0, slash_pos);
     }
@@ -1436,13 +1436,13 @@ kwsys_std::string SystemTools::GetFilenamePath(const kwsys_std::string& filename
 /**
  * Return file name of a full filename (i.e. file name without path).
  */
-kwsys_std::string SystemTools::GetFilenameName(const kwsys_std::string& filename)
+kwsys_stl::string SystemTools::GetFilenameName(const kwsys_stl::string& filename)
 {
-  kwsys_std::string fn = filename;
+  kwsys_stl::string fn = filename;
   SystemTools::ConvertToUnixSlashes(fn);
   
-  kwsys_std::string::size_type slash_pos = fn.rfind("/");
-  if(slash_pos != kwsys_std::string::npos)
+  kwsys_stl::string::size_type slash_pos = fn.rfind("/");
+  if(slash_pos != kwsys_stl::string::npos)
     {
     return fn.substr(slash_pos + 1);
     }
@@ -1457,11 +1457,11 @@ kwsys_std::string SystemTools::GetFilenameName(const kwsys_std::string& filename
  * Return file extension of a full filename (dot included).
  * Warning: this is the longest extension (for example: .tar.gz)
  */
-kwsys_std::string SystemTools::GetFilenameExtension(const kwsys_std::string& filename)
+kwsys_stl::string SystemTools::GetFilenameExtension(const kwsys_stl::string& filename)
 {
-  kwsys_std::string name = SystemTools::GetFilenameName(filename);
-  kwsys_std::string::size_type dot_pos = name.find(".");
-  if(dot_pos != kwsys_std::string::npos)
+  kwsys_stl::string name = SystemTools::GetFilenameName(filename);
+  kwsys_stl::string::size_type dot_pos = name.find(".");
+  if(dot_pos != kwsys_stl::string::npos)
     {
     return name.substr(dot_pos);
     }
@@ -1475,11 +1475,11 @@ kwsys_std::string SystemTools::GetFilenameExtension(const kwsys_std::string& fil
  * Return file extension of a full filename (dot included).
  * Warning: this is the shortest extension (for example: .tar.gz)
  */
-kwsys_std::string SystemTools::GetFilenameLastExtension(const kwsys_std::string& filename)
+kwsys_stl::string SystemTools::GetFilenameLastExtension(const kwsys_stl::string& filename)
 {
-  kwsys_std::string name = SystemTools::GetFilenameName(filename);
-  kwsys_std::string::size_type dot_pos = name.rfind(".");
-  if(dot_pos != kwsys_std::string::npos)
+  kwsys_stl::string name = SystemTools::GetFilenameName(filename);
+  kwsys_stl::string::size_type dot_pos = name.rfind(".");
+  if(dot_pos != kwsys_stl::string::npos)
     {
     return name.substr(dot_pos);
     }
@@ -1493,11 +1493,11 @@ kwsys_std::string SystemTools::GetFilenameLastExtension(const kwsys_std::string&
  * Return file name without extension of a full filename (i.e. without path).
  * Warning: it considers the longest extension (for example: .tar.gz)
  */
-kwsys_std::string SystemTools::GetFilenameWithoutExtension(const kwsys_std::string& filename)
+kwsys_stl::string SystemTools::GetFilenameWithoutExtension(const kwsys_stl::string& filename)
 {
-  kwsys_std::string name = SystemTools::GetFilenameName(filename);
-  kwsys_std::string::size_type dot_pos = name.find(".");
-  if(dot_pos != kwsys_std::string::npos)
+  kwsys_stl::string name = SystemTools::GetFilenameName(filename);
+  kwsys_stl::string::size_type dot_pos = name.find(".");
+  if(dot_pos != kwsys_stl::string::npos)
     {
     return name.substr(0, dot_pos);
     }
@@ -1513,12 +1513,12 @@ kwsys_std::string SystemTools::GetFilenameWithoutExtension(const kwsys_std::stri
  * Warning: it considers the last extension (for example: removes .gz
  * from .tar.gz)
  */
-kwsys_std::string
-SystemTools::GetFilenameWithoutLastExtension(const kwsys_std::string& filename)
+kwsys_stl::string
+SystemTools::GetFilenameWithoutLastExtension(const kwsys_stl::string& filename)
 {
-  kwsys_std::string name = SystemTools::GetFilenameName(filename);
-  kwsys_std::string::size_type dot_pos = name.rfind(".");
-  if(dot_pos != kwsys_std::string::npos)
+  kwsys_stl::string name = SystemTools::GetFilenameName(filename);
+  kwsys_stl::string::size_type dot_pos = name.rfind(".");
+  if(dot_pos != kwsys_stl::string::npos)
     {
     return name.substr(0, dot_pos);
     }
@@ -1530,7 +1530,7 @@ SystemTools::GetFilenameWithoutLastExtension(const kwsys_std::string& filename)
 
 bool SystemTools::FileIsFullPath(const char* in_name)
 {
-  kwsys_std::string name = in_name;
+  kwsys_stl::string name = in_name;
 #if defined(_WIN32)
   // On Windows, the name must be at least two characters long.
   if(name.length() < 2)
@@ -1562,7 +1562,7 @@ bool SystemTools::FileIsFullPath(const char* in_name)
   return false;
 }
 
-bool SystemTools::GetShortPath(const char* path, kwsys_std::string& shortPath)
+bool SystemTools::GetShortPath(const char* path, kwsys_stl::string& shortPath)
 {
 #if defined(WIN32) && !defined(__CYGWIN__)  
   const int size = int(strlen(path)) +1; // size of return
@@ -1604,7 +1604,7 @@ bool SystemTools::GetShortPath(const char* path, kwsys_std::string& shortPath)
 }
 
 void SystemTools::SplitProgramFromArgs(const char* path, 
-                                         kwsys_std::string& program, kwsys_std::string& args)
+                                         kwsys_stl::string& program, kwsys_stl::string& args)
 {
   if(SystemTools::FileExists(path))
     {
@@ -1612,25 +1612,25 @@ void SystemTools::SplitProgramFromArgs(const char* path,
     args = "";
     return;
     }
-  kwsys_std::vector<kwsys_std::string> e;
-  kwsys_std::string findProg = SystemTools::FindProgram(path, e);
+  kwsys_stl::vector<kwsys_stl::string> e;
+  kwsys_stl::string findProg = SystemTools::FindProgram(path, e);
   if(findProg.size())
     {
     program = findProg;
     args = "";
     return;
     }
-  kwsys_std::string dir = path;
-  kwsys_std::string::size_type spacePos = dir.rfind(' ');
-  if(spacePos == kwsys_std::string::npos)
+  kwsys_stl::string dir = path;
+  kwsys_stl::string::size_type spacePos = dir.rfind(' ');
+  if(spacePos == kwsys_stl::string::npos)
     {
     program = "";
     args = "";
     return;
     }
-  while(spacePos != kwsys_std::string::npos)
+  while(spacePos != kwsys_stl::string::npos)
     {
-    kwsys_std::string tryProg = dir.substr(0, spacePos);
+    kwsys_stl::string tryProg = dir.substr(0, spacePos);
     if(SystemTools::FileExists(tryProg.c_str()))
       {
       program = tryProg;
@@ -1650,7 +1650,7 @@ void SystemTools::SplitProgramFromArgs(const char* path,
   args = "";
 }
 
-kwsys_std::string SystemTools::GetCurrentDateTime(const char* format)
+kwsys_stl::string SystemTools::GetCurrentDateTime(const char* format)
 {
   char buf[1024];
   time_t t;
@@ -1659,20 +1659,20 @@ kwsys_std::string SystemTools::GetCurrentDateTime(const char* format)
   return buf;
 }
 
-kwsys_std::string SystemTools::MakeCindentifier(const char* s)
+kwsys_stl::string SystemTools::MakeCindentifier(const char* s)
 {
-  kwsys_std::string str(s);
+  kwsys_stl::string str(s);
   if (str.find_first_of("0123456789") == 0)
     {
     str = "_" + str;
     }
 
-  kwsys_std::string permited_chars("_"
+  kwsys_stl::string permited_chars("_"
                              "abcdefghijklmnopqrstuvwxyz"
                              "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
                              "0123456789");
-  kwsys_std::string::size_type pos = 0;
-  while ((pos = str.find_first_not_of(permited_chars, pos)) != kwsys_std::string::npos)
+  kwsys_stl::string::size_type pos = 0;
+  while ((pos = str.find_first_not_of(permited_chars, pos)) != kwsys_stl::string::npos)
     {
     str[pos] = '_';
     }
@@ -1682,7 +1682,7 @@ kwsys_std::string SystemTools::MakeCindentifier(const char* s)
 // Due to a buggy stream library on the HP and another on Mac OSX, we
 // need this very carefully written version of getline.  Returns true
 // if any data were read before the end-of-file was reached.
-bool SystemTools::GetLineFromStream(kwsys_std::istream& is, kwsys_std::string& line,
+bool SystemTools::GetLineFromStream(kwsys_ios::istream& is, kwsys_stl::string& line,
                                     bool *has_newline /* = 0 */)
 {
   const int bufferSize = 1024;
@@ -1714,7 +1714,7 @@ bool SystemTools::GetLineFromStream(kwsys_std::istream& is, kwsys_std::string& l
       }
 
     // The fail bit may be set.  Clear it.
-    is.clear(is.rdstate() & ~kwsys_std::ios::failbit);
+    is.clear(is.rdstate() & ~kwsys_ios::ios::failbit);
     }
   return haveData;
 }
diff --git a/Source/kwsys/SystemTools.hxx.in b/Source/kwsys/SystemTools.hxx.in
index b238c7e4b..fc6acf09d 100644
--- a/Source/kwsys/SystemTools.hxx.in
+++ b/Source/kwsys/SystemTools.hxx.in
@@ -14,15 +14,16 @@
 #ifndef @KWSYS_NAMESPACE@_SystemTools_hxx
 #define @KWSYS_NAMESPACE@_SystemTools_hxx
 
-#include <@KWSYS_NAMESPACE@/std/iosfwd>
-#include <@KWSYS_NAMESPACE@/std/string>
-#include <@KWSYS_NAMESPACE@/std/vector>
+#include <@KWSYS_NAMESPACE@/ios/iosfwd>
+#include <@KWSYS_NAMESPACE@/stl/string>
+#include <@KWSYS_NAMESPACE@/stl/vector>
 
 #include <@KWSYS_NAMESPACE@/Configure.h>
 
-/* Define this macro temporarily to keep the code readable.  */
-#if !defined (KWSYS_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_NAME_IS_KWSYS)
-# define kwsys_std @KWSYS_NAMESPACE@_std
+/* Define these macros temporarily to keep the code readable.  */
+#if !defined (KWSYS_NAMESPACE) && !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
+# define kwsys_stl @KWSYS_NAMESPACE@_stl
+# define kwsys_ios @KWSYS_NAMESPACE@_ios
 #endif
 
 namespace @KWSYS_NAMESPACE@
@@ -41,7 +42,7 @@ public:
    * then an underscore is prepended.  Note that this can produce
    * identifiers that the standard reserves (_[A-Z].* and __.*).
    */
-  static kwsys_std::string MakeCindentifier(const char* s);
+  static kwsys_stl::string MakeCindentifier(const char* s);
   
   /**
    * Make a new directory if it is not there.  This function
@@ -63,14 +64,14 @@ public:
    * Replace replace all occurances of the string in
    * the source string.
    */
-  static void ReplaceString(kwsys_std::string& source,
+  static void ReplaceString(kwsys_stl::string& source,
                             const char* replace,
                             const char* with);
 
   /**
    * Read a registry value
    */
-  static bool ReadRegistryValue(const char *key, kwsys_std::string &value);
+  static bool ReadRegistryValue(const char *key, kwsys_stl::string &value);
 
   /**
    * Write a registry value
@@ -86,17 +87,17 @@ public:
    * Return a capitalized string (i.e the first letter is uppercased,
    * all other are lowercased).
    */
-  static kwsys_std::string Capitalized(const kwsys_std::string&);
+  static kwsys_stl::string Capitalized(const kwsys_stl::string&);
   
   /**
    * Return a lower case string
    */
-  static kwsys_std::string LowerCase(const kwsys_std::string&);
+  static kwsys_stl::string LowerCase(const kwsys_stl::string&);
   
   /**
    * Return a lower case string
    */
-  static kwsys_std::string UpperCase(const kwsys_std::string&);
+  static kwsys_stl::string UpperCase(const kwsys_stl::string&);
   
   /**
    * do a case-independent string comparison
@@ -106,13 +107,13 @@ public:
   /**
    * Replace Windows file system slashes with Unix-style slashes.
    */
-  static void ConvertToUnixSlashes(kwsys_std::string& path);
+  static void ConvertToUnixSlashes(kwsys_stl::string& path);
   
   /**
    * For windows this calles ConvertToWindowsOutputPath and for unix
    * it calls ConvertToUnixOutputPath
    */
-  static kwsys_std::string ConvertToOutputPath(const char*);
+  static kwsys_stl::string ConvertToOutputPath(const char*);
   
   /** Return true if a file exists in the current directory.  */
   static bool FileExists(const char* filename);
@@ -122,11 +123,11 @@ public:
    *  Add the paths from the environment variable PATH to the 
    *  string vector passed in.
    */
-  static void GetPath(kwsys_std::vector<kwsys_std::string>& path);
+  static void GetPath(kwsys_stl::vector<kwsys_stl::string>& path);
 
   /** Read an environment variable.  */
   static const char* GetEnv(const char* key);
-  static bool GetEnv(const char* key, kwsys_std::string& result);
+  static bool GetEnv(const char* key, kwsys_stl::string& result);
 
   /**
    *  Get the file extension (including ".") needed for an executable
@@ -158,32 +159,32 @@ public:
   static bool RemoveADirectory(const char* source);
 
   ///! Find a file in the system PATH, with optional extra paths.
-  static kwsys_std::string FindFile(const char* name,
-                              const kwsys_std::vector<kwsys_std::string>& path= kwsys_std::vector<kwsys_std::string>());
+  static kwsys_stl::string FindFile(const char* name,
+                              const kwsys_stl::vector<kwsys_stl::string>& path= kwsys_stl::vector<kwsys_stl::string>());
 
   ///! Find an executable in the system PATH, with optional extra paths.
-  static kwsys_std::string FindProgram(const char* name,
-                                 const kwsys_std::vector<kwsys_std::string>& path = kwsys_std::vector<kwsys_std::string>(),
+  static kwsys_stl::string FindProgram(const char* name,
+                                 const kwsys_stl::vector<kwsys_stl::string>& path = kwsys_stl::vector<kwsys_stl::string>(),
                                  bool no_system_path = false);
 
   ///! Find a library in the system PATH, with optional extra paths.
-  static kwsys_std::string FindLibrary(const char* name,
-                                 const kwsys_std::vector<kwsys_std::string>& path);
+  static kwsys_stl::string FindLibrary(const char* name,
+                                 const kwsys_stl::vector<kwsys_stl::string>& path);
   
   ///! return true if the file is a directory.
   static bool FileIsDirectory(const char* name);
   
-  static kwsys_std::string GetCurrentWorkingDirectory();
+  static kwsys_stl::string GetCurrentWorkingDirectory();
   
   /**
    * Given the path to a program executable, get the directory part of
    * the path with the file stripped off.  If there is no directory
    * part, the empty string is returned.
    */
-  static kwsys_std::string GetProgramPath(const char*);
+  static kwsys_stl::string GetProgramPath(const char*);
   static bool SplitProgramPath(const char* in_name, 
-                               kwsys_std::string& dir, 
-                               kwsys_std::string& file,
+                               kwsys_stl::string& dir, 
+                               kwsys_stl::string& file,
                                bool errorReport = true);
   
   /**
@@ -192,32 +193,32 @@ public:
    * (which defaults to the current working directory).  The full path
    * is returned.
    */
-  static kwsys_std::string CollapseFullPath(const char* in_relative);
-  static kwsys_std::string CollapseFullPath(const char* in_relative,
+  static kwsys_stl::string CollapseFullPath(const char* in_relative);
+  static kwsys_stl::string CollapseFullPath(const char* in_relative,
                                       const char* in_base);
   
   ///! return path of a full filename (no trailing slashes).
-  static kwsys_std::string GetFilenamePath(const kwsys_std::string&);
+  static kwsys_stl::string GetFilenamePath(const kwsys_stl::string&);
 
   
   ///! return file name of a full filename (i.e. file name without path).
-  static kwsys_std::string GetFilenameName(const kwsys_std::string&);
+  static kwsys_stl::string GetFilenameName(const kwsys_stl::string&);
   
   ///! Split a program from its arguments and handle spaces in the paths.
   static void SplitProgramFromArgs(const char* path, 
-                                   kwsys_std::string& program, kwsys_std::string& args);
+                                   kwsys_stl::string& program, kwsys_stl::string& args);
   
   ///! return longest file extension of a full filename (dot included).
-  static kwsys_std::string GetFilenameExtension(const kwsys_std::string&);
+  static kwsys_stl::string GetFilenameExtension(const kwsys_stl::string&);
   
   ///! return shortest file extension of a full filename (dot included).
-  static kwsys_std::string GetFilenameLastExtension(const kwsys_std::string& filename);
+  static kwsys_stl::string GetFilenameLastExtension(const kwsys_stl::string& filename);
   
   ///! return file name without extension of a full filename.
-  static kwsys_std::string GetFilenameWithoutExtension(const kwsys_std::string&);
+  static kwsys_stl::string GetFilenameWithoutExtension(const kwsys_stl::string&);
   
   ///! return file name without its last (shortest) extension.
-  static kwsys_std::string GetFilenameWithoutLastExtension(const kwsys_std::string&);
+  static kwsys_stl::string GetFilenameWithoutLastExtension(const kwsys_stl::string&);
   
   /** Return whether the path represents a full path (not relative).  */
   static bool FileIsFullPath(const char*);
@@ -225,19 +226,19 @@ public:
   static long int ModifiedTime(const char* filename);
 
   ///! for windows return the short path for the given path, unix just a pass through
-  static bool GetShortPath(const char* path, kwsys_std::string& result);
+  static bool GetShortPath(const char* path, kwsys_stl::string& result);
   
   ///! change directory the the directory specified
   static int ChangeDirectory(const char* dir);
 
   /** Split a string on its newlines into multiple lines.  Returns
       false only if the last line stored had no newline.  */
-  static bool Split(const char* s, kwsys_std::vector<kwsys_std::string>& l);
+  static bool Split(const char* s, kwsys_stl::vector<kwsys_stl::string>& l);
   
-  static kwsys_std::string GetCurrentDateTime(const char* format);
+  static kwsys_stl::string GetCurrentDateTime(const char* format);
 
   /** Get the result of strerror(errno).  */
-  static kwsys_std::string GetLastSystemError();
+  static kwsys_stl::string GetLastSystemError();
   
   /** When building DEBUG with MSVC, this enables a hook that prevents
    * error dialogs from popping up if the program is being run from
@@ -252,7 +253,7 @@ public:
    * end-of-file was reached. If the has_newline argument is specified, it will
    * be true when the line read had a newline character.
    */
-  static bool GetLineFromStream(kwsys_std::istream& istr, kwsys_std::string& line,
+  static bool GetLineFromStream(kwsys_ios::istream& istr, kwsys_stl::string& line,
                                 bool* has_newline=0);
   
 protected:
@@ -261,7 +262,7 @@ protected:
    * Convert the path to a string that can be used in a unix makefile.
    * double slashes are removed, and spaces are escaped.
    */
-  static kwsys_std::string ConvertToUnixOutputPath(const char*);
+  static kwsys_stl::string ConvertToUnixOutputPath(const char*);
   
   /**
    * Convert the path to string that can be used in a windows project or
@@ -269,14 +270,15 @@ protected:
    * the string, the slashes are converted to windows style backslashes, and
    * if there are spaces in the string it is double quoted.
    */
-  static kwsys_std::string ConvertToWindowsOutputPath(const char*);
+  static kwsys_stl::string ConvertToWindowsOutputPath(const char*);
 };
 
 } // namespace @KWSYS_NAMESPACE@
 
-/* Undefine temporary macro.  */
-#if !defined (KWSYS_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_NAME_IS_KWSYS)
-# undef kwsys_std
+/* Undefine temporary macros.  */
+#if !defined (KWSYS_NAMESPACE) && !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
+# undef kwsys_stl
+# undef kwsys_ios
 #endif
 
 #endif
diff --git a/Source/kwsys/kwsysPlatformCxxTests.cmake b/Source/kwsys/kwsysPlatformCxxTests.cmake
new file mode 100644
index 000000000..faf7633c2
--- /dev/null
+++ b/Source/kwsys/kwsysPlatformCxxTests.cmake
@@ -0,0 +1,43 @@
+MACRO(KWSYS_PLATFORM_CXX_TEST var description invert)
+  IF("${var}_COMPILED" MATCHES "^${var}_COMPILED$")
+    MESSAGE(STATUS "${description}")
+    TRY_COMPILE(${var}_COMPILED
+      ${CMAKE_CURRENT_BINARY_DIR}
+      ${CMAKE_CURRENT_SOURCE_DIR}/kwsysPlatformCxxTests.cxx
+      COMPILE_DEFINITIONS -DTEST_${var}
+      OUTPUT_VARIABLE OUTPUT)
+    IF(${var}_COMPILED)
+      FILE(APPEND ${CMAKE_CURRENT_BINARY_DIR}/CMakeOutput.log
+        "${description} compiled with the following output:\n${OUTPUT}\n\n")
+    ELSE(${var}_COMPILED)
+      FILE(APPEND ${CMAKE_CURRENT_BINARY_DIR}/CMakeError.log
+        "${description} failed to compile with the following output:\n${OUTPUT}\n\n")
+    ENDIF(${var}_COMPILED)
+    IF(${invert} MATCHES INVERT)
+      IF(${var}_COMPILED)
+        MESSAGE(STATUS "${description} - no")
+      ELSE(${var}_COMPILED)
+        MESSAGE(STATUS "${description} - yes")
+      ENDIF(${var}_COMPILED)
+    ELSE(${invert} MATCHES INVERT)
+      IF(${var}_COMPILED)
+        MESSAGE(STATUS "${description} - yes")
+      ELSE(${var}_COMPILED)
+        MESSAGE(STATUS "${description} - no")
+      ENDIF(${var}_COMPILED)
+    ENDIF(${invert} MATCHES INVERT)
+  ENDIF("${var}_COMPILED" MATCHES "^${var}_COMPILED$")
+  IF(${invert} MATCHES INVERT)
+    IF(${var}_COMPILED)
+      SET(${var} 0)
+    ELSE(${var}_COMPILED)
+      SET(${var} 1)
+    ENDIF(${var}_COMPILED)
+  ELSE(${invert} MATCHES INVERT)
+    IF(${var}_COMPILED)
+      SET(${var} 1)
+    ELSE(${var}_COMPILED)
+      SET(${var} 0)
+    ENDIF(${var}_COMPILED)
+  ENDIF(${invert} MATCHES INVERT)
+ENDMACRO(KWSYS_PLATFORM_CXX_TEST)
diff --git a/Source/kwsys/kwsysPlatformCxxTests.cxx b/Source/kwsys/kwsysPlatformCxxTests.cxx
new file mode 100644
index 000000000..b2c016b09
--- /dev/null
+++ b/Source/kwsys/kwsysPlatformCxxTests.cxx
@@ -0,0 +1,31 @@
+#ifdef TEST_KWSYS_STL_HAVE_STD
+#include <list>
+void f(std::list<int>*) {}
+int main() { return 0; }
+#endif
+
+#ifdef TEST_KWSYS_IOS_HAVE_ANSI
+#include <iosfwd>
+int main() { return 0; }
+#endif
+
+#ifdef TEST_KWSYS_IOS_HAVE_STD
+#include <iosfwd>
+void f(std::ostream*) {}
+int main() { return 0; }
+#endif
+
+#ifdef TEST_KWSYS_IOS_HAVE_SSTREAM
+#include <sstream>
+int main() { return 0; }
+#endif
+
+#ifdef TEST_KWSYS_IOS_HAVE_STRSTREAM_H
+#include <strstream.h>
+int main() { return 0; }
+#endif
+
+#ifdef TEST_KWSYS_IOS_HAVE_STRSTREA_H
+#include <strstrea.h>
+int main() { return 0; }
+#endif
diff --git a/Source/kwsys/kwsys_ios_fstream.h.in b/Source/kwsys/kwsys_ios_fstream.h.in
new file mode 100644
index 000000000..f97e619b3
--- /dev/null
+++ b/Source/kwsys/kwsys_ios_fstream.h.in
@@ -0,0 +1,47 @@
+/*=========================================================================
+
+  Program:   KWSys - Kitware System Library
+  Module:    $RCSfile$
+
+  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef @KWSYS_NAMESPACE@_ios_fstream
+#define @KWSYS_NAMESPACE@_ios_fstream
+
+#include <@KWSYS_NAMESPACE@/Configure.hxx>
+
+#ifdef _MSC_VER
+#pragma warning (push, 1)
+#pragma warning (disable: 4702)
+#endif
+
+#if @KWSYS_NAMESPACE@_IOS_HAVE_ANSI
+# include <fstream>
+#else
+# include <fstream.h>
+#endif
+
+#if !@KWSYS_NAMESPACE@_IOS_HAVE_SSTREAM
+namespace @KWSYS_NAMESPACE@_ios
+{
+  using @KWSYS_NAMESPACE@_ios_namespace::ostream;
+  using @KWSYS_NAMESPACE@_ios_namespace::istream;
+  using @KWSYS_NAMESPACE@_ios_namespace::ofstream;
+  using @KWSYS_NAMESPACE@_ios_namespace::ifstream;
+  using @KWSYS_NAMESPACE@_ios_namespace::ios;
+  using @KWSYS_NAMESPACE@_ios_namespace::endl;
+  using @KWSYS_NAMESPACE@_ios_namespace::flush;
+}
+#endif
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#endif
diff --git a/Source/kwsys/kwsys_ios_iosfwd.h.in b/Source/kwsys/kwsys_ios_iosfwd.h.in
new file mode 100644
index 000000000..ec0a939a8
--- /dev/null
+++ b/Source/kwsys/kwsys_ios_iosfwd.h.in
@@ -0,0 +1,51 @@
+/*=========================================================================
+
+  Program:   KWSys - Kitware System Library
+  Module:    $RCSfile$
+
+  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef @KWSYS_NAMESPACE@_ios_iosfwd
+#define @KWSYS_NAMESPACE@_ios_iosfwd
+
+#include <@KWSYS_NAMESPACE@/Configure.hxx>
+
+#ifdef _MSC_VER
+#pragma warning (push, 1)
+#pragma warning (disable: 4702)
+#endif
+
+#if @KWSYS_NAMESPACE@_IOS_HAVE_ANSI
+# include <iosfwd>
+#else
+class fstream;
+class ifstream;
+class ios;
+class istream;
+class ofstream;
+class ostream;
+#endif
+
+#if !@KWSYS_NAMESPACE@_IOS_HAVE_SSTREAM
+namespace @KWSYS_NAMESPACE@_ios
+{
+  using @KWSYS_NAMESPACE@_ios_namespace::fstream;
+  using @KWSYS_NAMESPACE@_ios_namespace::ifstream;
+  using @KWSYS_NAMESPACE@_ios_namespace::ios;
+  using @KWSYS_NAMESPACE@_ios_namespace::istream;
+  using @KWSYS_NAMESPACE@_ios_namespace::ofstream;
+  using @KWSYS_NAMESPACE@_ios_namespace::ostream;
+}
+#endif
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#endif
diff --git a/Source/kwsys/kwsys_ios_iostream.h.in b/Source/kwsys/kwsys_ios_iostream.h.in
new file mode 100644
index 000000000..08411cd57
--- /dev/null
+++ b/Source/kwsys/kwsys_ios_iostream.h.in
@@ -0,0 +1,48 @@
+/*=========================================================================
+
+  Program:   KWSys - Kitware System Library
+  Module:    $RCSfile$
+
+  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef @KWSYS_NAMESPACE@_ios_iostream
+#define @KWSYS_NAMESPACE@_ios_iostream
+
+#include <@KWSYS_NAMESPACE@/Configure.hxx>
+
+#ifdef _MSC_VER
+#pragma warning (push, 1)
+#pragma warning (disable: 4702)
+#endif
+
+#if @KWSYS_NAMESPACE@_IOS_HAVE_ANSI
+# include <iostream>
+#else
+# include <iostream.h>
+#endif
+
+#if !@KWSYS_NAMESPACE@_IOS_HAVE_SSTREAM
+namespace @KWSYS_NAMESPACE@_ios
+{
+  using @KWSYS_NAMESPACE@_ios_namespace::ostream;
+  using @KWSYS_NAMESPACE@_ios_namespace::istream;
+  using @KWSYS_NAMESPACE@_ios_namespace::ios;
+  using @KWSYS_NAMESPACE@_ios_namespace::cout;
+  using @KWSYS_NAMESPACE@_ios_namespace::cerr;
+  using @KWSYS_NAMESPACE@_ios_namespace::cin;
+  using @KWSYS_NAMESPACE@_ios_namespace::endl;
+  using @KWSYS_NAMESPACE@_ios_namespace::flush;
+}
+#endif
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#endif
diff --git a/Source/kwsys/kwsys_ios_sstream.h.in b/Source/kwsys/kwsys_ios_sstream.h.in
new file mode 100644
index 000000000..876259d95
--- /dev/null
+++ b/Source/kwsys/kwsys_ios_sstream.h.in
@@ -0,0 +1,122 @@
+/*=========================================================================
+
+  Program:   KWSys - Kitware System Library
+  Module:    $RCSfile$
+
+  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef @KWSYS_NAMESPACE@_ios_sstream
+#define @KWSYS_NAMESPACE@_ios_sstream
+
+#include <@KWSYS_NAMESPACE@/Configure.hxx>
+
+/* Define this macro temporarily to keep the code readable.  */
+#if !defined (KWSYS_NAMESPACE) && !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
+# define kwsys_stl @KWSYS_NAMESPACE@_stl
+#endif
+
+#if @KWSYS_NAMESPACE@_IOS_HAVE_SSTREAM
+# ifdef _MSC_VER
+#  pragma warning (push, 1)
+#  pragma warning (disable: 4702)
+# endif
+# include <sstream>
+# ifdef _MSC_VER
+#  pragma warning(pop)
+# endif
+#else
+# ifdef _MSC_VER
+#  pragma warning (push, 1)
+#  pragma warning (disable: 4702)
+# endif
+# if @KWSYS_NAMESPACE@_IOS_HAVE_ANSI
+#  include <strstream>
+# elif @KWSYS_NAMESPACE@_IOS_HAVE_STRSTREAM_H
+#  include <strstream.h>
+# elif @KWSYS_NAMESPACE@_IOS_HAVE_STRSTREA_H
+#  include <strstrea.h>
+# endif
+# ifdef _MSC_VER
+#  pragma warning(pop)
+# endif
+
+// Only have old std::strstream classes.  Wrap them to look like new
+// ostringstream and istringstream classes.
+
+# include <@KWSYS_NAMESPACE@/stl/string>
+
+namespace @KWSYS_NAMESPACE@_ios
+{
+using @KWSYS_NAMESPACE@_ios_namespace::ostream;
+using @KWSYS_NAMESPACE@_ios_namespace::istream;
+using @KWSYS_NAMESPACE@_ios_namespace::istrstream;
+using @KWSYS_NAMESPACE@_ios_namespace::ostrstream;
+using @KWSYS_NAMESPACE@_ios_namespace::ios;
+using @KWSYS_NAMESPACE@_ios_namespace::endl;
+using @KWSYS_NAMESPACE@_ios_namespace::ends;
+using @KWSYS_NAMESPACE@_ios_namespace::flush;
+
+class ostringstream_cleanup
+{
+public:
+  ostringstream_cleanup(ostrstream& ostr): m_OStrStream(ostr) {}
+  ~ostringstream_cleanup() { m_OStrStream.rdbuf()->freeze(0); }
+  static void IgnoreUnusedVariable(const ostringstream_cleanup&) {}
+protected:
+  ostrstream& m_OStrStream;
+};
+
+class ostringstream: public ostrstream
+{
+public:
+  typedef ostrstream Superclass;
+  ostringstream() {}
+  kwsys_stl::string str()
+    {
+    ostringstream_cleanup cleanup(*this);
+    ostringstream_cleanup::IgnoreUnusedVariable(cleanup);
+    int pcount = this->pcount();
+    const char* ptr = this->Superclass::str();
+    return kwsys_stl::string(ptr?ptr:"", pcount);
+    }
+private:
+  ostringstream(const ostringstream&);
+  void operator=(const ostringstream&);
+};
+
+class istringstream: private kwsys_stl::string, public istrstream
+{
+public:
+  typedef kwsys_stl::string StdString;
+  typedef istrstream IStrStream;
+  istringstream(): StdString(),
+                   IStrStream(const_cast<char*>(StdString::c_str())) {}
+  istringstream(const kwsys_stl::string& s):
+    StdString(s), IStrStream(const_cast<char*>(StdString::c_str())) {}
+  kwsys_stl::string str() const { return *this; }
+  void str(const kwsys_stl::string& s)
+    {
+    this->~istringstream();
+    new (this) istringstream(s);
+    }
+private:
+  istringstream(const istringstream&);
+  void operator=(const istringstream&);
+};
+
+} // namespace @KWSYS_NAMESPACE@_ios
+
+#endif
+
+/* Undefine temporary macro.  */
+#if !defined (KWSYS_NAMESPACE) && !@KWSYS_NAMESPACE@_NAME_IS_KWSYS
+# undef kwsys_stl
+#endif
+
+#endif
diff --git a/Source/kwsys/kwsys_std.h.in b/Source/kwsys/kwsys_std.h.in
index f98e9e9c6..87e266be3 100644
--- a/Source/kwsys/kwsys_std.h.in
+++ b/Source/kwsys/kwsys_std.h.in
@@ -1,31 +1 @@
-/*=========================================================================
-
-  Program:   KWSys - Kitware System Library
-  Module:    $RCSfile$
-
-  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notices for more information.
-
-=========================================================================*/
-#ifndef @KWSYS_NAMESPACE@_std_@KWSYS_STL_HEADER@
-#define @KWSYS_NAMESPACE@_std_@KWSYS_STL_HEADER@
-
-#include <@KWSYS_NAMESPACE@/Configure.hxx>
-
-#ifdef _MSC_VER
-# pragma warning (push, 1)
-# pragma warning (disable: 4702)
-# pragma warning (disable: 4786)
-#endif
-
-#include <@KWSYS_STL_HEADER@>
-
-#ifdef _MSC_VER
-# pragma warning(pop)
-#endif
-
-#endif
+/* Empty until make dependencies are updated. */
diff --git a/Source/kwsys/kwsys_std_fstream.h.in b/Source/kwsys/kwsys_std_fstream.h.in
index e3eec8a37..87e266be3 100644
--- a/Source/kwsys/kwsys_std_fstream.h.in
+++ b/Source/kwsys/kwsys_std_fstream.h.in
@@ -1,46 +1 @@
-/*=========================================================================
-
-  Program:   KWSys - Kitware System Library
-  Module:    $RCSfile$
-
-  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notices for more information.
-
-=========================================================================*/
-#ifndef @KWSYS_NAMESPACE@_std_fstream
-#define @KWSYS_NAMESPACE@_std_fstream
-
-#include <@KWSYS_NAMESPACE@/Configure.hxx>
-
-#ifdef _MSC_VER
-#pragma warning (push, 1)
-#pragma warning (disable: 4702)
-#endif
-
-#if !defined(@KWSYS_NAMESPACE@_NO_ANSI_STREAM_HEADERS)
-# include <fstream>
-#else
-# include <fstream.h>
-# if !defined(@KWSYS_NAMESPACE@_NO_STD_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_FAKE_STD_NAMESPACE)
-namespace std
-{
-  using ::ostream;
-  using ::istream;
-  using ::ofstream;
-  using ::ifstream;
-  using ::ios;
-  using ::endl;
-  using ::flush;
-}
-# endif
-#endif
-
-#ifdef _MSC_VER
-#pragma warning(pop)
-#endif
-
-#endif
+/* Empty until make dependencies are updated. */
diff --git a/Source/kwsys/kwsys_std_iosfwd.h.in b/Source/kwsys/kwsys_std_iosfwd.h.in
index fcca75faa..87e266be3 100644
--- a/Source/kwsys/kwsys_std_iosfwd.h.in
+++ b/Source/kwsys/kwsys_std_iosfwd.h.in
@@ -1,50 +1 @@
-/*=========================================================================
-
-  Program:   KWSys - Kitware System Library
-  Module:    $RCSfile$
-
-  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notices for more information.
-
-=========================================================================*/
-#ifndef @KWSYS_NAMESPACE@_std_iosfwd
-#define @KWSYS_NAMESPACE@_std_iosfwd
-
-#include <@KWSYS_NAMESPACE@/Configure.hxx>
-
-#ifdef _MSC_VER
-#pragma warning (push, 1)
-#pragma warning (disable: 4702)
-#endif
-
-#if !defined(@KWSYS_NAMESPACE@_NO_ANSI_STREAM_HEADERS)
-# include <iosfwd>
-#else
-class fstream;
-class ifstream;
-class ios;
-class istream;
-class ofstream;
-class ostream;
-# if !defined(@KWSYS_NAMESPACE@_NO_STD_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_FAKE_STD_NAMESPACE)
-namespace std
-{
-  using ::fstream;
-  using ::ifstream;
-  using ::ios;
-  using ::istream;
-  using ::ofstream;
-  using ::ostream;
-}
-# endif
-#endif
-
-#ifdef _MSC_VER
-#pragma warning(pop)
-#endif
-
-#endif
+/* Empty until make dependencies are updated. */
diff --git a/Source/kwsys/kwsys_std_iostream.h.in b/Source/kwsys/kwsys_std_iostream.h.in
index 0ed353101..87e266be3 100644
--- a/Source/kwsys/kwsys_std_iostream.h.in
+++ b/Source/kwsys/kwsys_std_iostream.h.in
@@ -1,47 +1 @@
-/*=========================================================================
-
-  Program:   KWSys - Kitware System Library
-  Module:    $RCSfile$
-
-  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notices for more information.
-
-=========================================================================*/
-#ifndef @KWSYS_NAMESPACE@_std_iostream
-#define @KWSYS_NAMESPACE@_std_iostream
-
-#include <@KWSYS_NAMESPACE@/Configure.hxx>
-
-#ifdef _MSC_VER
-#pragma warning (push, 1)
-#pragma warning (disable: 4702)
-#endif
-
-#if !defined(@KWSYS_NAMESPACE@_NO_ANSI_STREAM_HEADERS)
-# include <iostream>
-#else
-# include <iostream.h>
-# if !defined(@KWSYS_NAMESPACE@_NO_STD_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_FAKE_STD_NAMESPACE)
-namespace std
-{
-  using ::ostream;
-  using ::istream;
-  using ::ios;
-  using ::cout;
-  using ::cerr;
-  using ::cin;
-  using ::endl;
-  using ::flush;
-}
-# endif
-#endif
-
-#ifdef _MSC_VER
-#pragma warning(pop)
-#endif
-
-#endif
+/* Empty until make dependencies are updated. */
diff --git a/Source/kwsys/kwsys_std_sstream.h.in b/Source/kwsys/kwsys_std_sstream.h.in
index 165c3b708..87e266be3 100644
--- a/Source/kwsys/kwsys_std_sstream.h.in
+++ b/Source/kwsys/kwsys_std_sstream.h.in
@@ -1,130 +1 @@
-/*=========================================================================
-
-  Program:   KWSys - Kitware System Library
-  Module:    $RCSfile$
-
-  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
-  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
-
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notices for more information.
-
-=========================================================================*/
-#ifndef @KWSYS_NAMESPACE@_std_sstream
-#define @KWSYS_NAMESPACE@_std_sstream
-
-#include <@KWSYS_NAMESPACE@/Configure.hxx>
-
-/* Define this macro temporarily to keep the code readable.  */
-#if !defined (KWSYS_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_NAME_IS_KWSYS)
-# define kwsys_std @KWSYS_NAMESPACE@_std
-#endif
-
-#if !defined(@KWSYS_NAMESPACE@_NO_ANSI_STRING_STREAM)
-# ifdef _MSC_VER
-#  pragma warning (push, 1)
-#  pragma warning (disable: 4702)
-# endif
-# include <sstream>
-# ifdef _MSC_VER
-#  pragma warning(pop)
-# endif
-#else
-# ifdef _MSC_VER
-#  pragma warning (push, 1)
-#  pragma warning (disable: 4702)
-# endif
-# if !defined(@KWSYS_NAMESPACE@_NO_ANSI_STREAM_HEADERS)
-#  include <strstream>
-# else
-#  include <strstream.h>
-#  if !defined(@KWSYS_NAMESPACE@_NO_STD_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_FAKE_STD_NAMESPACE)
-namespace std
-{
-  using ::ostream;
-  using ::istream;
-  using ::istrstream;
-  using ::ostrstream;
-  using ::ios;
-  using ::endl;
-  using ::ends;
-  using ::flush;
-}
-#  endif
-# endif
-# ifdef _MSC_VER
-#  pragma warning(pop)
-# endif
-
-// Only have old std::strstream classes.  Wrap them to look like new
-// ostringstream and istringstream classes.
-
-# include <@KWSYS_NAMESPACE@/std/string>
-
-# if !defined(@KWSYS_NAMESPACE@_NO_STD_NAMESPACE)
-namespace std
-{
-# endif
-
-class ostringstream_cleanup
-{
-public:
-  ostringstream_cleanup(kwsys_std::ostrstream& ostr): m_OStrStream(ostr) {}
-  ~ostringstream_cleanup() { m_OStrStream.rdbuf()->freeze(0); }
-  static void IgnoreUnusedVariable(const ostringstream_cleanup&) {}
-protected:
-  kwsys_std::ostrstream& m_OStrStream;
-};
-
-class ostringstream: public kwsys_std::ostrstream
-{
-public:
-  typedef kwsys_std::ostrstream Superclass;
-  ostringstream() {}
-  kwsys_std::string str()
-    {
-    ostringstream_cleanup cleanup(*this);
-    ostringstream_cleanup::IgnoreUnusedVariable(cleanup);
-    int pcount = this->pcount();
-    const char* ptr = this->Superclass::str();
-    return kwsys_std::string(ptr?ptr:"", pcount);
-    }
-private:
-  ostringstream(const ostringstream&);
-  void operator=(const ostringstream&);
-};
-
-class istringstream: private kwsys_std::string, public kwsys_std::istrstream
-{
-public:
-  typedef kwsys_std::string StdString;
-  typedef kwsys_std::istrstream IStrStream;
-  istringstream(): StdString(), IStrStream(StdString::c_str()) {}
-  istringstream(const kwsys_std::string& s):
-    StdString(s), IStrStream(StdString::c_str()) {}
-  kwsys_std::string str() const { return *this; }
-  void str(const kwsys_std::string& s)
-    {
-    // Very dangerous.  If this throws, the object is hosed.  When the
-    // destructor is later called, the program is hosed too.
-    this->~istringstream();
-    new (this) istringstream(s);
-    }
-private:
-  istringstream(const istringstream&);
-  void operator=(const istringstream&);
-};
-
-# if !defined(@KWSYS_NAMESPACE@_NO_STD_NAMESPACE)
-}
-# endif
-
-#endif
-
-/* Undefine temporary macro.  */
-#if !defined (KWSYS_NAMESPACE) && !defined(@KWSYS_NAMESPACE@_NAME_IS_KWSYS)
-# undef kwsys_std
-#endif
-
-#endif
+/* Empty until make dependencies are updated. */
diff --git a/Source/kwsys/kwsys_stl.h.in b/Source/kwsys/kwsys_stl.h.in
new file mode 100644
index 000000000..893ce466d
--- /dev/null
+++ b/Source/kwsys/kwsys_stl.h.in
@@ -0,0 +1,31 @@
+/*=========================================================================
+
+  Program:   KWSys - Kitware System Library
+  Module:    $RCSfile$
+
+  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef @KWSYS_NAMESPACE@_stl_@KWSYS_STL_HEADER@
+#define @KWSYS_NAMESPACE@_stl_@KWSYS_STL_HEADER@
+
+#include <@KWSYS_NAMESPACE@/Configure.hxx>
+
+#ifdef _MSC_VER
+# pragma warning (push, 1)
+# pragma warning (disable: 4702)
+# pragma warning (disable: 4786)
+#endif
+
+#include <@KWSYS_STL_HEADER@>
+
+#ifdef _MSC_VER
+# pragma warning(pop)
+#endif
+
+#endif
diff --git a/Source/kwsys/test1.cxx b/Source/kwsys/test1.cxx
index bd42ffb0d..4c1def5cd 100644
--- a/Source/kwsys/test1.cxx
+++ b/Source/kwsys/test1.cxx
@@ -13,7 +13,7 @@
 =========================================================================*/
 #include <kwsys/Directory.hxx>
 #include <kwsys/Process.h>
-#include <kwsys/std/iostream>
+#include <kwsys/ios/iostream>
 
 int main()
 {
@@ -26,9 +26,9 @@ int main()
   int length = 0;
   while(kwsysProcess_WaitForData(kp, &data, &length, 0))
     {
-    kwsys_std::cout.write(data, length);
+    kwsys_ios::cout.write(data, length);
     }
   kwsysProcess_Delete(kp);
-  kwsys_std::cout << kwsys_std::endl;
+  kwsys_ios::cout << kwsys_ios::endl;
   return 0;
 }
diff --git a/Source/kwsys/testIOS.cxx b/Source/kwsys/testIOS.cxx
new file mode 100644
index 000000000..f1441f6a6
--- /dev/null
+++ b/Source/kwsys/testIOS.cxx
@@ -0,0 +1,11 @@
+#include <kwsys/stl/vector>
+#include <kwsys/ios/sstream>
+#include <kwsys/ios/iostream>
+
+int main()
+{
+  kwsys_ios::ostringstream ostr;
+  ostr << "Hello, World!";
+  kwsys_ios::cout << ostr.str() << kwsys_ios::endl;
+  return 0;
+}