Index: Include/pyport.h
===================================================================
--- Include/pyport.h (revision 933)
+++ Include/pyport.h (working copy)
@@ -514,22 +514,40 @@
#if __FreeBSD_version > 500039
#include <ctype.h>
#include <wctype.h>
+/* If the source file #includes <cctype> before "Python.h" then
+ * these macros will not be defined at this point and we
+ * should not define them either.
+ */
+#ifdef isalnum
#undef isalnum
#define isalnum(c) iswalnum(btowc(c))
+#endif
+#ifdef isalpha
#undef isalpha
#define isalpha(c) iswalpha(btowc(c))
+#endif
+#ifdef islower
#undef islower
#define islower(c) iswlower(btowc(c))
+#endif
+#ifdef isspace
#undef isspace
#define isspace(c) iswspace(btowc(c))
+#endif
+#ifdef isupper
#undef isupper
#define isupper(c) iswupper(btowc(c))
+#endif
+#ifdef tolower
#undef tolower
#define tolower(c) towlower(btowc(c))
+#endif
+#ifdef toupper
#undef toupper
#define toupper(c) towupper(btowc(c))
#endif
#endif
+#endif