Fix build

diff --git a/compiler/stgSyn/StgSyn.lhs b/compiler/stgSyn/StgSyn.lhs
index 6c38ecd..78f7447 100644 (file)
--- a/compiler/stgSyn/StgSyn.lhs
+++ b/compiler/stgSyn/StgSyn.lhs
@@ -44,6 +44,8 @@ module StgSyn (
 #endif
     ) where
 
+#include "HsVersions.h"
+
 import CostCentre      ( CostCentreStack, CostCentre )
 import VarSet          ( IdSet, isEmptyVarSet )
 import Var             ( isId )