-----------------------------------------------------------------------------
--- $Id: DriverMkDepend.hs,v 1.27 2003/01/08 15:28:05 simonmar Exp $
+-- $Id: DriverMkDepend.hs,v 1.28 2003/06/04 15:47:58 simonmar Exp $
--
-- GHC Driver
--
#include "HsVersions.h"
+import GetImports ( getImports )
import DriverState
-import DriverUtil ( add, softGetDirectoryContents, replaceFilenameSuffix )
+import DriverUtil
import DriverFlags
import SysTools ( newTempName )
import qualified SysTools
return ()
+doMkDependHSPhase basename suff input_fn
+ = do src <- readFile input_fn
+ let (import_sources, import_normals, _) = getImports src
+ let orig_fn = basename ++ '.':suff
+ deps_sources <- mapM (findDependency True orig_fn) import_sources
+ deps_normals <- mapM (findDependency False orig_fn) import_normals
+ let deps = deps_sources ++ deps_normals
+
+ osuf <- readIORef v_Object_suf
+
+ extra_suffixes <- readIORef v_Dep_suffixes
+ let suffixes = osuf : map (++ ('_':osuf)) extra_suffixes
+ ofiles = map (\suf -> basename ++ '.':suf) suffixes
+
+ objs <- mapM odir_ify ofiles
+
+ -- Handle for file that accumulates dependencies
+ hdl <- readIORef v_Dep_tmp_hdl
+
+ -- std dependency of the object(s) on the source file
+ hPutStrLn hdl (unwords (map escapeSpaces objs) ++ " : " ++
+ escapeSpaces (basename ++ '.':suff))
+
+ let genDep (dep, False {- not an hi file -}) =
+ hPutStrLn hdl (unwords (map escapeSpaces objs) ++ " : " ++
+ escapeSpaces dep)
+ genDep (dep, True {- is an hi file -}) = do
+ hisuf <- readIORef v_Hi_suf
+ let dep_base = remove_suffix '.' dep
+ deps = (dep_base ++ hisuf)
+ : map (\suf -> dep_base ++ suf ++ '_':hisuf) extra_suffixes
+ -- length objs should be == length deps
+ sequence_ (zipWith (\o d -> hPutStrLn hdl (escapeSpaces o ++ " : " ++ escapeSpaces d)) objs deps)
+
+ sequence_ (map genDep [ d | Just d <- deps ])
+ return True
+
+-- add the lines to dep_makefile:
+ -- always:
+ -- this.o : this.hs
+
+ -- if the dependency is on something other than a .hi file:
+ -- this.o this.p_o ... : dep
+ -- otherwise
+ -- if the import is {-# SOURCE #-}
+ -- this.o this.p_o ... : dep.hi-boot[-$vers]
+
+ -- else
+ -- this.o ... : dep.hi
+ -- this.p_o ... : dep.p_hi
+ -- ...
+
+ -- (where .o is $osuf, and the other suffixes come from
+ -- the cmdline -s options).
+
+
+
endMkDependHS :: IO ()
endMkDependHS = do
makefile <- readIORef v_Dep_makefile