turning off -fhpc in stage1 built ghc

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

diff --git a/compiler/main/StaticFlags.hs b/compiler/main/StaticFlags.hs
index 2a8c4dc..67e8ab5 100644 (file)
--- a/compiler/main/StaticFlags.hs
+++ b/compiler/main/StaticFlags.hs
@@ -12,9 +12,10 @@
 module StaticFlags (
        parseStaticFlags,
        staticFlags,
+        initStaticOpts,
 
        -- Ways
-       WayName(..), v_Ways, v_Build_tag, v_RTS_Build_tag,
+       WayName(..), v_Ways, v_Build_tag, v_RTS_Build_tag, isRTSWay,
 
        -- Output style options
        opt_PprUserLength,
@@ -29,7 +30,6 @@ module StaticFlags (
 
         -- Hpc opts
        opt_Hpc,
-        opt_Hpc_Tracer,
 
        -- language opts
        opt_DictsStrict,
@@ -92,6 +92,9 @@ import Data.List      ( sort, intersperse, nub )
 
 parseStaticFlags :: [String] -> IO [String]
 parseStaticFlags args = do
+  ready <- readIORef v_opt_C_ready
+  when ready $ throwDyn (ProgramError "Too late for parseStaticFlags: call it before newSession")
+
   (leftover, errs) <- processArgs static_flags args
   when (not (null errs)) $ throwDyn (UsageError (unlines errs))
 
@@ -118,6 +121,8 @@ parseStaticFlags args = do
   when (not (null errs)) $ ghcError (UsageError (unlines errs))
   return (cg_flags++more_leftover++leftover)
 
+initStaticOpts :: IO ()
+initStaticOpts = writeIORef v_opt_C_ready True
 
 static_flags :: [(String, OptKind IO)]
 -- All the static flags should appear in this list.  It describes how each
@@ -279,11 +284,12 @@ opt_AutoSccsOnIndividualCafs      = lookUp  FSLIT("-fauto-sccs-on-individual-cafs")
 opt_SccProfilingOn             = lookUp  FSLIT("-fscc-profiling")
 opt_DoTickyProfiling            = WayTicky `elem` (unsafePerformIO $ readIORef v_Ways)
 
--- Hpc opts
-
+-- Hpc opts, only work in a stage2 build
+#if GHCI
 opt_Hpc                                = lookUp FSLIT("-fhpc")  
-                                 || opt_Hpc_Tracer 
-opt_Hpc_Tracer                 = lookUp FSLIT("-fhpc-tracer")
+#else
+opt_Hpc                                = False
+#endif
 
 -- language opts
 opt_DictsStrict                        = lookUp  FSLIT("-fdicts-strict")
@@ -512,6 +518,8 @@ lkupWay w =
        Nothing -> error "findBuildTag"
        Just details -> details
 
+isRTSWay = wayRTSOnly . lkupWay 
+
 data Way = Way {
   wayTag     :: String,
   wayRTSOnly :: Bool,