Remove support for MetroWerks CodeWarrior compiler.

This compiler doesn't exist any more and was probably unsupported even in 2.8,
let alone 2.9, so remove all the __MWERKS__ tests to simplify things.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71102 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/chkconf.h

@@ -21,20 +21,6 @@
 #   define wxUSE_STACKWALKER 0
 #endif /* wxUSE_STACKWALKER */
 
-/*
- * disable the settings which don't work for some compilers
- */
-
-#if defined(__MWERKS__)
-    #undef wxUSE_DEBUG_NEW_ALWAYS
-    #define wxUSE_DEBUG_NEW_ALWAYS      0
-
-    /* DS: Fixes compilation when wxUSE_ON_FATAL_EXCEPTION is 1 */
-    #ifndef wxTYPE_SA_HANDLER
-        #define wxTYPE_SA_HANDLER int
-    #endif
-#endif
-
 /*
  * check graphics context option, must be on for every os x platform
  * we only use core graphics now on all builds, try to catch attempts

include/wx/osx/core/hid.h

@@ -34,7 +34,6 @@
 
 //Darn apple - doesn't properly wrap their headers in extern "C"!
 //http://www.macosx.com/forums/archive/index.php/t-68069.html
-//Needed for codewarrior link error with mach_port_deallocate()
 extern "C" {
 #include <mach/mach_port.h>
 }

include/wx/osx/setup0.h

@@ -152,7 +152,7 @@
 // In debug mode, causes new to be defined to be WXDEBUG_NEW (see object.h). If
 // this causes problems (e.g. link errors), set this to 0. You may need to set
 // this to 0 if using templates (at least for VC++). This switch is currently
-// ignored for mingw / cygwin / CodeWarrior
+// ignored for MinGW/Cygwin.
 //
 // Default is 0
 //
@@ -1501,19 +1501,6 @@
 // Mac-specific settings
 // ----------------------------------------------------------------------------
 
-// override some settings for Metrowerks
-//
-// VZ: isn't this file only used when building with Metrowerks anyhow?
-// CS: no, it is also used by the Xcode projects
-#ifdef __MWERKS__
-    #undef wxUSE_DEBUG_CONTEXT
-    #define wxUSE_DEBUG_CONTEXT 1
-
-    #undef wxUSE_STD_IOSTREAM
-    // CS: I have to set this to 0 now, as shared builds are having problems
-    #define wxUSE_STD_IOSTREAM  0
-#endif
-
 #undef wxUSE_GRAPHICS_CONTEXT
 #define wxUSE_GRAPHICS_CONTEXT 1