diff --git a/include/HsConfigure.h b/include/HsConfigure.h
new file mode 100644
--- /dev/null
+++ b/include/HsConfigure.h
@@ -0,0 +1,7 @@
+#define HAS_DataPico 0
+#if LANGUAGE_Rank2Types
+#if MIN_VERSION_base(4,2,0)
+#undef HAS_DataPico
+#define HAS_DataPico 1
+#endif
+#endif
diff --git a/time.cabal b/time.cabal
--- a/time.cabal
+++ b/time.cabal
@@ -1,5 +1,5 @@
 name:           time
-version:        1.2
+version:        1.2.0.1
 stability:      stable
 license:        BSD3
 license-file:   LICENSE
@@ -17,6 +17,7 @@
     aclocal.m4
     configure.ac
     configure
+    include/HsConfigure.h
     include/HsTime.h
     include/HsTimeConfig.h.in
 extra-tmp-files: