Apply patch for netbsd multiprocessing support

Modules/mmapmodule.c

@@ -509,7 +509,11 @@ mmap_resize_method(mmap_object *self,
 #ifdef MREMAP_MAYMOVE
 		newmap = mremap(self->data, self->size, new_size, MREMAP_MAYMOVE);
 #else
+		#if defined(__NetBSD__)
+			newmap = mremap(self->data, self->size, self->data, new_size, 0);
+		#else
 			newmap = mremap(self->data, self->size, new_size, 0);
+		#endif /* __NetBSD__ */
 #endif
 		if (newmap == (void *)-1)
 		{

Modules/socketmodule.c

@@ -379,7 +379,7 @@ const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
 #define SOCKETCLOSE close
 #endif
 
-#if defined(HAVE_BLUETOOTH_H) || defined(HAVE_BLUETOOTH_BLUETOOTH_H)
+#if defined(HAVE_BLUETOOTH_H) || defined(HAVE_BLUETOOTH_BLUETOOTH_H) &&  !defined(__NetBSD__)
 #define USE_BLUETOOTH 1
 #if defined(__FreeBSD__)
 #define BTPROTO_L2CAP BLUETOOTH_PROTO_L2CAP

setup.py

@@ -1280,6 +1280,15 @@ class PyBuildExt(build_ext):
                 )
             libraries = []
 
+        elif platform.startswith('netbsd'):
+            macros = dict(                  # at least NetBSD 5
+                HAVE_SEM_OPEN=1,
+                HAVE_SEM_TIMEDWAIT=0,
+                HAVE_FD_TRANSFER=1,
+                HAVE_BROKEN_SEM_GETVALUE=1
+                )
+            libraries = []
+
         else:                                   # Linux and other unices
             macros = dict(
                 HAVE_SEM_OPEN=1,