Don't need this.

[lyx.git] / boost / boost / integer_traits.hpp

diff --git a/boost/boost/integer_traits.hpp b/boost/boost/integer_traits.hpp
index 36aa4dc0decc168a751a0f1f2eafb2ea83844ec5..ac4ef32f307ae3b770baf38d7cefdf77819d4585 100644 (file)
--- a/boost/boost/integer_traits.hpp
+++ b/boost/boost/integer_traits.hpp
@@ -5,7 +5,7 @@
  * accompanying file LICENSE_1_0.txt or copy at
  * http://www.boost.org/LICENSE_1_0.txt)
  *
- * $Id: integer_traits.hpp,v 1.25 2004/09/04 10:34:47 johnmaddock Exp $
+ * $Id: integer_traits.hpp 32576 2006-02-05 10:19:42Z johnmaddock $
  *
  * Idea by Beman Dawes, Ed Brey, Steve Cleary, and Nathan Myers
  */
@@ -21,7 +21,9 @@
 
 // These are an implementation detail and not part of the interface
 #include <limits.h>
-#if !defined(BOOST_NO_INTRINSIC_WCHAR_T) && !defined(BOOST_NO_CWCHAR)
+// we need wchar.h for WCHAR_MAX/MIN but not all platforms provide it,
+// and some may have <wchar.h> but not <cwchar> ...
+#if !defined(BOOST_NO_INTRINSIC_WCHAR_T) && (!defined(BOOST_NO_CWCHAR) || defined(sun) || defined(__sun) || defined(__QNX__))
 #include <wchar.h>
 #endif
 
@@ -86,7 +88,9 @@ class integer_traits<unsigned char>
 template<>
 class integer_traits<wchar_t>
   : public std::numeric_limits<wchar_t>,
-#if defined(WCHAR_MIN) && defined(WCHAR_MAX)
+    // Don't trust WCHAR_MIN and WCHAR_MAX with Mac OS X's native
+    // library: they are wrong!
+#if defined(WCHAR_MIN) && defined(WCHAR_MAX) && !defined(__APPLE__)
     public detail::integer_traits_base<wchar_t, WCHAR_MIN, WCHAR_MAX>
 #elif defined(__BORLANDC__) || defined(__CYGWIN__) || defined(__MINGW32__) || (defined(__BEOS__) && defined(__GNUC__))
     // No WCHAR_MIN and WCHAR_MAX, whar_t is short and unsigned:
@@ -96,6 +100,7 @@ class integer_traits<wchar_t>
     || (defined(__OpenBSD__) && defined(__GNUC__))\
     || (defined(__NetBSD__) && defined(__GNUC__))\
     || (defined(__FreeBSD__) && defined(__GNUC__))\
+    || (defined(__DragonFly__) && defined(__GNUC__))\
     || (defined(__hpux) && defined(__GNUC__) && (__GNUC__ == 3) && !defined(__SGI_STL_PORT))
     // No WCHAR_MIN and WCHAR_MAX, wchar_t has the same range as int.
     //  - SGI MIPSpro with native library