+// ----------------------------------------------------------------------------
+// other feature tests
+// ----------------------------------------------------------------------------
+
+// Every ride down a slippery slope begins with a single step..
+//
+// Yes, using nested classes is indeed against our coding standards in
+// general, but there are places where you can use them to advantage
+// without totally breaking ports that cannot use them. If you do, then
+// wrap it in this guard, but such cases should still be relatively rare.
+#ifndef __WIN16__
+ #define wxUSE_NESTED_CLASSES 1
+#else
+ #define wxUSE_NESTED_CLASSES 0
+#endif
+
+// check for explicit keyword support
+#ifndef HAVE_EXPLICIT
+ #if defined(__VISUALC__) && (__VISUALC__ >= 1100)
+ // VC++ 6.0 and 5.0 have explicit (what about earlier versions?)
+ #define HAVE_EXPLICIT
+ #elif ( defined(__MINGW32__) || defined(__CYGWIN32__) ) \
+ && wxCHECK_GCC_VERSION(2, 95)
+ // GCC 2.95 has explicit, what about earlier versions?
+ #define HAVE_EXPLICIT
+ #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x0520)
+ // BC++ 4.52 doesn't support explicit, CBuilder 1 does
+ #define HAVE_EXPLICIT
+ #elif defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
+ // Metrowerks CW6 or higher has explicit
+ #define HAVE_EXPLICIT
+ #elif defined(__DIGITALMARS__)
+ #define HAVE_EXPLICIT
+ #endif
+#endif // !HAVE_EXPLICIT
+
+#ifdef HAVE_EXPLICIT
+ #define wxEXPLICIT explicit
+#else // !HAVE_EXPLICIT
+ #define wxEXPLICIT
+#endif // HAVE_EXPLICIT/!HAVE_EXPLICIT
+
+// check for static/const/reinterpret_cast<>()
+#ifndef HAVE_STATIC_CAST
+ #if defined(__VISUALC__) && (__VISUALC__ >= 1100)
+ // VC++ 6.0 and 5.0 have C++ casts (what about earlier versions?)
+ #define HAVE_CXX_CASTS
+ #elif ( defined(__MINGW32__) || defined(__CYGWIN32__) ) \
+ && wxCHECK_GCC_VERSION(2, 95)
+ // GCC 2.95 has C++ casts, what about earlier versions?
+ #define HAVE_CXX_CASTS
+ #endif
+#endif // HAVE_STATIC_CAST
+
+#ifdef HAVE_CXX_CASTS
+ #ifndef HAVE_CONST_CAST
+ #define HAVE_CONST_CAST
+ #endif
+#endif // HAVE_CXX_CASTS
+
+#ifndef HAVE_STD_WSTRING
+ #if defined(__VISUALC__) && (__VISUALC__ >= 1100)
+ // VC++ 6.0 and 5.0 have std::wstring (what about earlier versions?)
+ #define HAVE_STD_WSTRING
+ #elif ( defined(__MINGW32__) || defined(__CYGWIN32__) ) \
+ && wxCHECK_GCC_VERSION(3, 1)
+ // GCC 3.1 has std::wstring; 3.0 never was in MinGW, 2.95 hasn't it
+ #define HAVE_STD_WSTRING
+ #endif
+#endif
+
+#ifndef HAVE_STD_STRING_COMPARE
+ #if defined(__VISUALC__) && (__VISUALC__ >= 1100)
+ // VC++ 6.0 and 5.0 have std::string::compare
+ // (what about earlier versions?)
+ #define HAVE_STD_STRING_COMPARE
+ #elif ( defined(__MINGW32__) || defined(__CYGWIN32__) ) \
+ && wxCHECK_GCC_VERSION(3, 1)
+ // GCC 3.1 has std::string::compare;
+ // 3.0 never was in MinGW, 2.95 hasn't it
+ #define HAVE_STD_STRING_COMPARE
+ #endif
+#endif
+