[project @ 2003-01-09 11:39:20 by simonmar]

[ghc-hetmet.git] / ghc / compiler / main / DriverFlags.hs

diff --git a/ghc/compiler/main/DriverFlags.hs b/ghc/compiler/main/DriverFlags.hs
index 8b1a8da..4c110c0 100644 (file)
--- a/ghc/compiler/main/DriverFlags.hs
+++ b/ghc/compiler/main/DriverFlags.hs
@@ -1,5 +1,5 @@
 -----------------------------------------------------------------------------
--- $Id: DriverFlags.hs,v 1.102 2002/09/13 15:02:34 simonpj Exp $
+-- $Id: DriverFlags.hs,v 1.110 2003/01/09 11:39:20 simonmar Exp $
 --
 -- Driver flags
 --
@@ -229,7 +229,7 @@ static_flags =
        ------- Output Redirection ------------------------------------------
   ,  ( "odir"          , HasArg (writeIORef v_Output_dir  . Just) )
   ,  ( "o"             , SepArg (writeIORef v_Output_file . Just) )
-  ,  ( "osuf"          , HasArg (writeIORef v_Object_suf  . Just) )
+  ,  ( "osuf"          , HasArg (writeIORef v_Object_suf) )
   ,  ( "hcsuf"         , HasArg (writeIORef v_HC_suf      . Just) )
   ,  ( "hisuf"         , HasArg (writeIORef v_Hi_suf) )
   ,  ( "hidir"         , HasArg (writeIORef v_Hi_dir . Just) )
@@ -261,7 +261,7 @@ static_flags =
 
        ------- Libraries ---------------------------------------------------
   ,  ( "L"             , Prefix (addToDirList v_Library_paths) )
-  ,  ( "l"             , Prefix (add v_Cmdline_libraries) )
+  ,  ( "l"             , AnySuffix (\s -> add v_Opt_l s >> add v_Opt_dll s) )
 
 #ifdef darwin_TARGET_OS
        ------- Frameworks --------------------------------------------------
@@ -277,6 +277,8 @@ static_flags =
   ,  ( "syslib"         , HasArg (addPackage) )        -- for compatibility w/ old vsns
 
         ------- Specific phases  --------------------------------------------
+  ,  ( "pgmL"           , HasArg setPgmL )
+  ,  ( "pgmP"           , HasArg setPgmP )
   ,  ( "pgmP"           , HasArg setPgmP )
   ,  ( "pgmF"           , HasArg setPgmF )
   ,  ( "pgmc"           , HasArg setPgmc )
@@ -294,6 +296,7 @@ static_flags =
   ,  ( "optdll"                , HasArg (add v_Opt_dll) )
 
        ----- Linker --------------------------------------------------------
+  ,  ( "no-link"       , NoArg (writeIORef v_NoLink True) )
   ,  ( "static"        , NoArg (writeIORef v_Static True) )
   ,  ( "dynamic"        , NoArg (writeIORef v_Static False) )
   ,  ( "rdynamic"       , NoArg (return ()) ) -- ignored for compat w/ gcc
@@ -400,6 +403,7 @@ dynamic_flags = [
   ,  ( "dshow-passes",           NoArg (setVerbosity "2") )
   ,  ( "ddump-rn-trace",         NoArg (setDynFlag Opt_D_dump_rn_trace) )
   ,  ( "ddump-tc-trace",         NoArg (setDynFlag Opt_D_dump_tc_trace) )
+  ,  ( "ddump-splices",          NoArg (setDynFlag Opt_D_dump_splices) )
   ,  ( "ddump-rn-stats",         NoArg (setDynFlag Opt_D_dump_rn_stats) )
   ,  ( "ddump-stix",             NoArg (setDynFlag Opt_D_dump_stix) )
   ,  ( "ddump-simpl-stats",      NoArg (setDynFlag Opt_D_dump_simpl_stats) )
@@ -423,6 +427,7 @@ dynamic_flags = [
 
        ------ Warning opts -------------------------------------------------
   ,  ( "W"             , NoArg (mapM_ setDynFlag   minusWOpts)    )
+  ,  ( "Werror"                , NoArg (setDynFlag         Opt_WarnIsError) )
   ,  ( "Wall"          , NoArg (mapM_ setDynFlag   minusWallOpts) )
   ,  ( "Wnot"          , NoArg (mapM_ unSetDynFlag minusWallOpts) ) /* DEPREC */
   ,  ( "w"             , NoArg (mapM_ unSetDynFlag minusWallOpts) )
@@ -576,7 +581,15 @@ machdepCCOpts
             return ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else ""
 --                    , if suffixMatch "mingw32" cTARGETPLATFORM then "-mno-cygwin" else "" 
                      ],
-                     [ "-fno-defer-pop", "-fomit-frame-pointer",
+                     [ "-fno-defer-pop",
+#ifdef HAVE_GCC_MNO_OMIT_LFPTR
+                       -- Some gccs are configured with
+                       -- -momit-leaf-frame-pointer on by default, and it
+                       -- apparently takes precedence over 
+                       -- -fomit-frame-pointer, so we disable it first here.
+                       "-mno-omit-leaf-frame-pointer",
+#endif
+                       "-fomit-frame-pointer",
                        -- we want -fno-builtin, because when gcc inlines
                        -- built-in functions like memcpy() it tends to
                        -- run out of registers, requiring -monly-n-regs
@@ -597,7 +610,15 @@ machdepCCOpts
        -- disable all warnings altogether using the -w flag. Oh well.
 
    | prefixMatch "powerpc-apple-darwin" cTARGETPLATFORM
-       = return ( ["-no-cpp-precomp"], [""] )
+      -- -no-cpp-precomp:
+      --     Disable Apple's precompiling preprocessor. It's a great thing
+      --     for "normal" programs, but it doesn't support register variable
+      --     declarations.
+      -- -mdynamic-no-pic:
+      --     As we don't support haskell code in shared libraries anyway,
+      --     we might as well turn of PIC code generation and save space and time.
+      --     This is completely optional.
+       = return ( ["-no-cpp-precomp","-mdynamic-no-pic"], [] )
 
    | prefixMatch "powerpc" cTARGETPLATFORM || prefixMatch "rs6000" cTARGETPLATFORM
        = return ( ["-static"], ["-finhibit-size-directive"] )