Issue #9012: "Separate compilation of time and datetime modules."
Segregated code shared between time and datetime modules into
Modules/_time.c. Added a new header file, Modules/_time.h, which
will be used instead of Include/timefuncs.h for declarations shared
between time and datetime modules.
diff --git a/Modules/_time.h b/Modules/_time.h
new file mode 100644
index 0000000..816593b
--- /dev/null
+++ b/Modules/_time.h
@@ -0,0 +1,3 @@
+/* XXX: It is probably best to move timefuncs.h content in here, and
+ remove it but user code may rely on it. */
+#include "timefuncs.h"