X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverMkDepend.hs;h=c6d32909b63065b1177071203f9a58b781053973;hb=d062db6e01b90d2fdebe39865db930096de3c70b;hp=607ba78d2896ccd6203fd59e6f9f1a35daaead0b;hpb=fb1b5b0773c7efd0fba32e580afd91f99b9fcc89;p=ghc-hetmet.git

diff --git a/ghc/compiler/main/DriverMkDepend.hs b/ghc/compiler/main/DriverMkDepend.hs
index 607ba78..c6d3290 100644
--- a/ghc/compiler/main/DriverMkDepend.hs
+++ b/ghc/compiler/main/DriverMkDepend.hs
@@ -1,5 +1,5 @@
 -----------------------------------------------------------------------------
--- $Id: DriverMkDepend.hs,v 1.23 2002/09/18 10:51:01 simonmar Exp $
+-- $Id: DriverMkDepend.hs,v 1.26 2002/11/08 12:52:51 simonmar Exp $
 --
 -- GHC Driver
 --
@@ -12,17 +12,17 @@ module DriverMkDepend where
 #include "HsVersions.h"
 
 import DriverState      
-import DriverUtil       ( add, softGetDirectoryContents )
+import DriverUtil       ( add, softGetDirectoryContents, replaceFilenameSuffix )
 import DriverFlags
 import SysTools		( newTempName )
 import qualified SysTools
 import Module		( ModuleName, ModLocation(..),
 			  moduleNameUserString, isHomeModule )
-import Finder		( findModuleDep )
+import Finder		( findModule, hiBootExt, hiBootVerExt )
 import Util             ( global )
 import Panic
 
-import DATA_IOREF	( IORef, newIORef, readIORef, writeIORef )
+import DATA_IOREF	( IORef, readIORef, writeIORef )
 import EXCEPTION
 
 import Directory
@@ -171,13 +171,33 @@ findDependency is_source src imp = do
    if imp_mod `elem` excl_mods 
       then return Nothing
       else do
-	r <- findModuleDep imp is_source
+	r <- findModule imp
 	case r of 
 	   Just (mod,loc)
-		| isHomeModule mod || include_prelude
+		-- not in this package: we don't need a dependency
+		| not (isHomeModule mod) && not include_prelude
+		-> return Nothing
+
+		-- normal import: just depend on the .hi file
+		| not is_source
 		-> return (Just (ml_hi_file loc, not is_source))
+
+		-- if it's a source import, we want to generate a dependency
+		-- on the .hi-boot file, not the .hi file
 		| otherwise
-		-> return Nothing
+		-> let hi_file = ml_hi_file loc
+		       boot_hi_file = replaceFilenameSuffix hi_file hiBootExt 
+		       boot_ver_hi_file = replaceFilenameSuffix hi_file hiBootVerExt 
+		   in do
+		   b <- doesFileExist boot_ver_hi_file
+		   if b 
+		     then return (Just (boot_ver_hi_file, not is_source))
+		     else do
+		        b <- doesFileExist boot_hi_file
+		   	if b 
+			   then return (Just (boot_hi_file, not is_source))
+		   	   else return (Just (hi_file, not is_source))
+
 	   Nothing -> throwDyn (ProgramError 
 		(src ++ ": " ++ "can't locate import `" ++ imp_mod ++ "'" ++
 		 if is_source then " (SOURCE import)" else ""))