Getting rid of code dependent on GUSI or the MetroWerks compiler.

Modules/_localemodule.c

@@ -34,7 +34,7 @@ This software comes with no warranty. Use at your own risk.
 #include <windows.h>
 #endif
 
-#if defined(__APPLE__) || defined(__MWERKS__)
+#if defined(__APPLE__)
 #include "macglue.h"
 #endif
 

Modules/errnomodule.c

@@ -3,11 +3,6 @@
 
 #include "Python.h"
 
-/* Mac with GUSI has more errors than those in errno.h */
-#ifdef USE_GUSI
-#include <sys/errno.h>
-#endif
-
 /* Windows socket errors (WSA*)  */
 #ifdef MS_WINDOWS
 #include <winsock.h>

Modules/socketmodule.c

@@ -1739,11 +1739,6 @@ sock_makefile(PySocketSockObject *s, PyObject *args)
 			SOCKETCLOSE(fd);
 		return s->errorhandler();
 	}
-#ifdef USE_GUSI2
-	/* Workaround for bug in Metrowerks MSL vs. GUSI I/O library */
-	if (strchr(mode, 'b') != NULL)
-		bufsize = 0;
-#endif
 	f = PyFile_FromFile(fp, "<socket>", mode, fclose);
 	if (f != NULL)
 		PyFile_SetBufSize(f, bufsize);

Modules/structmodule.c

@@ -41,15 +41,6 @@ static PyObject *StructError;
 
 /* Define various structs to figure out the alignments of types */
 
-#ifdef __MWERKS__
-/*
-** XXXX We have a problem here. There are no unique alignment rules
-** on the PowerPC mac.
-*/
-#ifdef __powerc
-#pragma options align=mac68k
-#endif
-#endif /* __MWERKS__ */
 
 typedef struct { char c; short x; } st_short;
 typedef struct { char c; int x; } st_int;