Index: PyKerberos/src/kerberosgss.h
===================================================================
--- PyKerberos/src/kerberosgss.h	(revision 100)
+++ PyKerberos/src/kerberosgss.h	(working copy)
@@ -16,9 +16,16 @@
  * DRI: Cyrus Daboo, cdaboo@apple.com
  **/
 
-#include <Kerberos/gssapi.h>
-#include <Kerberos/gssapi_generic.h>
-#include <Kerberos/gssapi_krb5.h>
+#ifdef C_MACOSX
+#  include <Kerberos/gssapi.h>
+#  include <Kerberos/gssapi_generic.h>
+#  include <Kerberos/gssapi_krb5.h>
+#else
+#  include <gssapi/gssapi.h>
+#  include <gssapi/gssapi_generic.h>
+#  include <gssapi/gssapi_krb5.h>
+#  include <kerberosIV/krb_err.h>
+#endif
 
 #define krb5_get_err_text(context,code) error_message(code)
 
Index: PyKerberos/src/kerberosbasic.h
===================================================================
--- PyKerberos/src/kerberosbasic.h	(revision 100)
+++ PyKerberos/src/kerberosbasic.h	(working copy)
@@ -16,9 +16,16 @@
  * DRI: Cyrus Daboo, cdaboo@apple.com
  **/
 
-#include <Kerberos/gssapi.h>
-#include <Kerberos/gssapi_generic.h>
-#include <Kerberos/gssapi_krb5.h>
+#ifdef C_MACOSX
+#  include <Kerberos/gssapi.h>
+#  include <Kerberos/gssapi_generic.h>
+#  include <Kerberos/gssapi_krb5.h>
+#else
+#  include <gssapi/gssapi.h>
+#  include <gssapi/gssapi_generic.h>
+#  include <gssapi/gssapi_krb5.h>
+#  include <kerberosIV/krb_err.h>
+#endif
 
 #define krb5_get_err_text(context,code) error_message(code)
 
Index: PyKerberos/src/kerberos.c
===================================================================
--- PyKerberos/src/kerberos.c	(revision 100)
+++ PyKerberos/src/kerberos.c	(working copy)
@@ -16,7 +16,11 @@
  * DRI: Cyrus Daboo, cdaboo@apple.com
  **/
 
-#include <Python/Python.h>
+#ifdef C_MACOSX
+#  include <Python/Python.h>
+#else
+#  include <Python.h>
+#endif
 
 #include "kerberosbasic.h"
 #include "kerberosgss.h"