Detect if %zd is supported by printf() during configure and sets
PY_FORMAT_SIZE_T appropriately. Removes warnings on
OS X under gcc 4.0.1 when PY_FORMAT_SIZE_T is set to "" instead of "z" as is
needed.
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 886b336..acbbd8d 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -727,6 +727,9 @@
/* Defined if PTHREAD_SCOPE_SYSTEM supported. */
#undef PTHREAD_SYSTEM_SCHED_SUPPORTED
+/* Define to printf format modifier for Py_ssize_t */
+#undef PY_FORMAT_SIZE_T
+
/* Define as the integral type used for Unicode representation. */
#undef PY_UNICODE_TYPE