X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FStaticFlags.hs;h=f285b89903f778d07841d5b764b9d135b1dea3d9;hb=17b297d97d327620ed6bfab942f8992b2446f1bf;hp=457626c80ced87da5f4a93140eb2de7dbbcf9578;hpb=bda0a4f655b2f9892d2778b0ab1b5d437c392226;p=ghc-hetmet.git

diff --git a/compiler/main/StaticFlags.hs b/compiler/main/StaticFlags.hs
index 457626c..f285b89 100644
--- a/compiler/main/StaticFlags.hs
+++ b/compiler/main/StaticFlags.hs
@@ -9,6 +9,13 @@
 --
 -----------------------------------------------------------------------------
 
+{-# OPTIONS_GHC -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions#Warnings
+-- for details
+
 module StaticFlags (
 	parseStaticFlags,
 	staticFlags,
@@ -57,6 +64,7 @@ module StaticFlags (
 	-- Related to linking
 	opt_PIC,
 	opt_Static,
+	opt_HardwireLibPaths,
 
 	-- misc opts
 	opt_IgnoreDotGhci,
@@ -85,7 +93,7 @@ import Data.IORef
 import System.IO.Unsafe	( unsafePerformIO )
 import Control.Monad	( when )
 import Data.Char	( isDigit )
-import Data.List	( sort, intersperse, nub )
+import Data.List
 
 -----------------------------------------------------------------------------
 -- Static flags
@@ -118,8 +126,14 @@ parseStaticFlags args = do
   let cg_flags | tablesNextToCode = ["-optc-DTABLES_NEXT_TO_CODE"]
 	       | otherwise	  = []
 
+    -- HACK: -fexcess-precision is both a static and a dynamic flag.  If
+    -- the static flag parser has slurped it, we must return it as a 
+    -- leftover too.  ToDo: make -fexcess-precision dynamic only.
+  let excess_prec | opt_SimplExcessPrecision = ["-fexcess-precision"]
+                  | otherwise                = []
+
   when (not (null errs)) $ ghcError (UsageError (unlines errs))
-  return (cg_flags++more_leftover++leftover)
+  return (excess_prec++cg_flags++more_leftover++leftover)
 
 initStaticOpts :: IO ()
 initStaticOpts = writeIORef v_opt_C_ready True
@@ -160,10 +174,6 @@ static_flags = [
   ,  ( "dppr-user-length", AnySuffix addOpt )
       -- rest of the debugging flags are dynamic
 
-	--------- Haskell Program Coverage -----------------------------------
-
-  ,  ( "fhpc"           , PassFlag addOpt )
-
 	--------- Profiling --------------------------------------------------
   ,  ( "auto-all"	, NoArg (addOpt "-fauto-sccs-on-all-toplevs") )
   ,  ( "auto"		, NoArg (addOpt "-fauto-sccs-on-exported-toplevs") )
@@ -326,6 +336,7 @@ opt_PIC                         = True
 opt_PIC                         = lookUp FSLIT("-fPIC")
 #endif
 opt_Static			= lookUp  FSLIT("-static")
+opt_HardwireLibPaths		= lookUp  FSLIT("-fhardwire-lib-paths")
 opt_Unregisterised		= lookUp  FSLIT("-funregisterised")
 
 -- Derived, not a real option.  Determines whether we will be compiling
@@ -366,13 +377,15 @@ isStaticFlag f =
 	"fexcess-precision",
 	"funfolding-update-in-place",
 	"static",
+	"fhardwire-lib-paths",
 	"funregisterised",
 	"fext-core",
 	"fcpr-off",
 	"ferror-spans",
-	"fPIC"
+	"fPIC",
+	"fhpc"
 	]
-  || any (flip prefixMatch f) [
+  || any (`isPrefixOf` f) [
 	"fliberate-case-threshold",
 	"fmax-worker-args",
 	"fhistory-size",
@@ -406,7 +419,7 @@ decodeSize str
   | c == "G" || c == "g" = truncate (n * 1000 * 1000 * 1000)
   | otherwise            = throwDyn (CmdLineError ("can't decode size: " ++ str))
   where (m, c) = span pred str
-        n      = read m  :: Double
+        n      = readRational m
 	pred c = isDigit c || c == '.'