Source
--- dulwich/_objects.c~ 2011-11-06 13:52:35.000000000 +1100
+++ dulwich/_objects.c 2011-11-06 13:52:41.000000000 +1100
typedef int Py_ssize_t;
#endif
-#if defined(__MINGW32_VERSION) || defined(__APPLE__)
+#if defined(__MINGW32_VERSION) || (defined(__APPLE__) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070)
size_t rep_strnlen(char *text, size_t maxlen);
size_t rep_strnlen(char *text, size_t maxlen)
{