[project @ 1997-11-24 20:04:49 by sof]

[ghc-hetmet.git] / ghc / compiler / utils / Digraph.lhs

diff --git a/ghc/compiler/utils/Digraph.lhs b/ghc/compiler/utils/Digraph.lhs
index d49bd97..3c69ce2 100644 (file)
--- a/ghc/compiler/utils/Digraph.lhs
+++ b/ghc/compiler/utils/Digraph.lhs
@@ -41,6 +41,10 @@ import ST
 import ArrBase
 import Maybe
 
+# if __GLASGOW_HASKELL__ >= 209
+import GlaExts ( thenST, returnST )
+# endif
+
 #else
 
 #define ARR_ELT        (:=)