ENH: Added use of KWSYS_HEADER macro in c and cxx files to include kwsys headers through their configured namespace.

1 files changed, 38 insertions, 0 deletions

diff --git a/Source/kwsys/kwsysPrivate.h b/Source/kwsys/kwsysPrivate.h
new file mode 100644
index 0000000..94f8b4e
--- /dev/null
+++ b/Source/kwsys/kwsysPrivate.h
@@ -0,0 +1,38 @@
+/*=========================================================================
+
+  Program:   KWSys - Kitware System Library
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
+  See http://www.cmake.org/HTML/Copyright.html 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
+# error "Do not include kwsysPrivate.h outside of kwsys c and cxx files."
+#endif
+
+#ifndef _kwsysPrivate_h
+#define _kwsysPrivate_h
+
+/*
+  Define KWSYS_HEADER macro to help the c and cxx files include kwsys
+  headers from the configured namespace directory.  The macro can be
+  used like this:
+  
+  #include KWSYS_HEADER(Directory.hxx)
+  #include KWSYS_HEADER(std/vector)
+*/
+#define KWSYS_HEADER(x) KWSYS_HEADER0(KWSYS_NAMESPACE/x)
+#define KWSYS_HEADER0(x) KWSYS_HEADER1(x)
+#define KWSYS_HEADER1(x) <x>
+
+#else
+# error "kwsysPrivate.h included multiple times."
+#endif