[project @ 1999-05-11 16:33:35 by keithw]

[ghc-hetmet.git] / ghc / compiler / rename / RnNames.lhs

diff --git a/ghc/compiler/rename/RnNames.lhs b/ghc/compiler/rename/RnNames.lhs
index db95e47..58dd7a6 100644 (file)
--- a/ghc/compiler/rename/RnNames.lhs
+++ b/ghc/compiler/rename/RnNames.lhs
@@ -31,6 +31,7 @@ import RnMonad
 
 import FiniteMap
 import PrelMods
+import PrelInfo ( main_RDR )
 import UniqFM  ( lookupUFM )
 import Bag     ( bagToList )
 import Maybes  ( maybeToBool )
@@ -523,8 +524,13 @@ exportsFromAvail :: Module
         -- Warns about identical exports.
        -- Complains about exports items not in scope
 exportsFromAvail this_mod Nothing export_avails global_name_env
-  = exportsFromAvail this_mod (Just [IEModuleContents this_mod]) 
-                    export_avails global_name_env
+  = exportsFromAvail this_mod true_exports export_avails global_name_env
+  where
+    true_exports = Just $ if this_mod == mAIN
+                          then [IEVar main_RDR]
+                               -- export Main.main *only* unless otherwise specified,
+                          else [IEModuleContents this_mod]
+                               -- but for all other modules export everything.
 
 exportsFromAvail this_mod (Just export_items) 
                 (mod_avail_env, entity_avail_env)