+{-# OPTIONS -fno-cse #-}
+-- -fno-cse is needed for GLOBAL_VAR's to behave properly
+
-----------------------------------------------------------------------------
--
-- Static flags
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,
+ opt_SuppressUniques,
opt_PprStyle_Debug,
+ opt_NoDebugOutput,
-- profiling opts
opt_AutoSccsOnAllToplevs,
opt_SccProfilingOn,
opt_DoTickyProfiling,
+ -- Hpc opts
+ opt_Hpc,
+
-- language opts
opt_DictsStrict,
- opt_MaxContextReductionDepth,
opt_IrrefutableTuples,
opt_Parallel,
- opt_RuntimeTypes,
- opt_Flatten,
-- optimisation opts
- opt_NoMethodSharing,
+ opt_DsMultiTyVar,
opt_NoStateHack,
- opt_LiberateCaseThreshold,
+ opt_SpecInlineJoinPoints,
opt_CprOff,
- opt_RulesOff,
opt_SimplNoPreInlining,
opt_SimplExcessPrecision,
opt_MaxWorkerArgs,
opt_UF_UseThreshold,
opt_UF_FunAppDiscount,
opt_UF_KeenessFactor,
- opt_UF_UpdateInPlace,
opt_UF_DearOp,
+ -- Optimization fuel controls
+ opt_Fuel,
+
+ -- Related to linking
+ opt_PIC,
+ opt_Static,
+
-- misc opts
opt_IgnoreDotGhci,
opt_ErrorSpans,
- opt_EmitCExternDecls,
opt_GranMacros,
opt_HiVersion,
opt_HistorySize,
opt_OmitBlackHoling,
- opt_Static,
opt_Unregisterised,
opt_EmitExternalCore,
- opt_PIC,
v_Ld_inputs,
+ tablesNextToCode
) where
#include "HsVersions.h"
-import Util ( consIORef )
import CmdLineParser
-import Config ( cProjectVersionInt, cProjectPatchLevel,
- cGhcUnregisterised )
-import FastString ( FastString, mkFastString )
+import Config
+import FastString
import Util
import Maybes ( firstJust )
-import Panic ( GhcException(..), ghcError )
-import Constants ( mAX_CONTEXT_REDUCTION_DEPTH )
+import Panic
-import EXCEPTION ( throwDyn )
-import DATA_IOREF
-import UNSAFE_IO ( unsafePerformIO )
-import Monad ( when )
-import Char ( isDigit )
-import Data.List ( sort, intersperse, nub )
+import Data.IORef
+import System.IO.Unsafe ( unsafePerformIO )
+import Control.Monad ( when )
+import Data.Char ( isDigit )
+import Data.List
-----------------------------------------------------------------------------
-- Static flags
-parseStaticFlags :: [String] -> IO [String]
+parseStaticFlags :: [String] -> IO ([String], [String])
parseStaticFlags args = do
- (leftover, errs) <- processArgs static_flags args
- when (not (null errs)) $ throwDyn (UsageError (unlines errs))
+ ready <- readIORef v_opt_C_ready
+ when ready $ ghcError (ProgramError "Too late for parseStaticFlags: call it before newSession")
+
+ (leftover, errs, warns1) <- processArgs static_flags args
+ when (not (null errs)) $ ghcError (UsageError (unlines errs))
-- deal with the way flags: the way (eg. prof) gives rise to
- -- futher flags, some of which might be static.
+ -- further flags, some of which might be static.
way_flags <- findBuildTag
-- if we're unregisterised, add some more flags
let unreg_flags | cGhcUnregisterised == "YES" = unregFlags
| otherwise = []
- (more_leftover, errs) <- processArgs static_flags (unreg_flags ++ way_flags)
+ (more_leftover, errs, warns2) <- processArgs static_flags (unreg_flags ++ way_flags)
+
+ -- see sanity code in staticOpts
+ writeIORef v_opt_C_ready True
+
+ -- TABLES_NEXT_TO_CODE affects the info table layout.
+ -- Be careful to do this *after* all processArgs,
+ -- because evaluating tablesNextToCode involves looking at the global
+ -- static flags. Those pesky global variables...
+ 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 (more_leftover++leftover)
+ return (excess_prec ++ cg_flags ++ more_leftover ++ leftover,
+ warns1 ++ warns2)
+initStaticOpts :: IO ()
+initStaticOpts = writeIORef v_opt_C_ready True
+
+static_flags :: [Flag IO]
+-- All the static flags should appear in this list. It describes how each
+-- static flag should be processed. Two main purposes:
+-- (a) if a command-line flag doesn't appear in the list, GHC can complain
+-- (b) a command-line flag may remove, or add, other flags; e.g. the "-fno-X" things
+--
+-- The common (PassFlag addOpt) action puts the static flag into the bunch of
+-- things that are searched up by the top-level definitions like
+-- opt_foo = lookUp (fsLit "-dfoo")
--- note that ordering is important in the following list: any flag which
+-- Note that ordering is important in the following list: any flag which
-- is a prefix flag (i.e. HasArg, Prefix, OptPrefix, AnySuffix) will override
-- flags further down the list with the same prefix.
-static_flags :: [(String, OptKind IO)]
static_flags = [
- ------- GHCi -------------------------------------------------------
- ( "ignore-dot-ghci", PassFlag addOpt )
- , ( "read-dot-ghci" , NoArg (removeOpt "-ignore-dot-ghci") )
-
- ------- ways --------------------------------------------------------
- , ( "prof" , NoArg (addWay WayProf) )
- , ( "unreg" , NoArg (addWay WayUnreg) )
- , ( "ticky" , NoArg (addWay WayTicky) )
- , ( "parallel" , NoArg (addWay WayPar) )
- , ( "gransim" , NoArg (addWay WayGran) )
- , ( "smp" , NoArg (addWay WayThreaded) ) -- backwards compat.
- , ( "debug" , NoArg (addWay WayDebug) )
- , ( "ndp" , NoArg (addWay WayNDP) )
- , ( "threaded" , NoArg (addWay WayThreaded) )
- -- ToDo: user ways
-
- ------ Debugging ----------------------------------------------------
- , ( "dppr-noprags", PassFlag addOpt )
- , ( "dppr-debug", PassFlag addOpt )
- , ( "dppr-user-length", AnySuffix addOpt )
+ ------- GHCi -------------------------------------------------------
+ Flag "ignore-dot-ghci" (PassFlag addOpt) Supported
+ , Flag "read-dot-ghci" (NoArg (removeOpt "-ignore-dot-ghci")) Supported
+
+ ------- ways --------------------------------------------------------
+ , Flag "prof" (NoArg (addWay WayProf)) Supported
+ , Flag "ticky" (NoArg (addWay WayTicky)) Supported
+ , Flag "parallel" (NoArg (addWay WayPar)) Supported
+ , Flag "gransim" (NoArg (addWay WayGran)) Supported
+ , Flag "smp" (NoArg (addWay WayThreaded))
+ (Deprecated "Use -threaded instead")
+ , Flag "debug" (NoArg (addWay WayDebug)) Supported
+ , Flag "ndp" (NoArg (addWay WayNDP)) Supported
+ , Flag "threaded" (NoArg (addWay WayThreaded)) Supported
+ -- ToDo: user ways
+
+ ------ Debugging ----------------------------------------------------
+ , Flag "dppr-debug" (PassFlag addOpt) Supported
+ , Flag "dsuppress-uniques" (PassFlag addOpt) Supported
+ , Flag "dppr-user-length" (AnySuffix addOpt) Supported
+ , Flag "dopt-fuel" (AnySuffix addOpt) Supported
+ , Flag "dno-debug-output" (PassFlag addOpt) Supported
-- rest of the debugging flags are dynamic
- --------- Profiling --------------------------------------------------
- , ( "auto-all" , NoArg (addOpt "-fauto-sccs-on-all-toplevs") )
- , ( "auto" , NoArg (addOpt "-fauto-sccs-on-exported-toplevs") )
- , ( "caf-all" , NoArg (addOpt "-fauto-sccs-on-individual-cafs") )
+ --------- Profiling --------------------------------------------------
+ , Flag "auto-all" (NoArg (addOpt "-fauto-sccs-on-all-toplevs"))
+ Supported
+ , Flag "auto" (NoArg (addOpt "-fauto-sccs-on-exported-toplevs"))
+ Supported
+ , Flag "caf-all" (NoArg (addOpt "-fauto-sccs-on-individual-cafs"))
+ Supported
-- "ignore-sccs" doesn't work (ToDo)
- , ( "no-auto-all" , NoArg (removeOpt "-fauto-sccs-on-all-toplevs") )
- , ( "no-auto" , NoArg (removeOpt "-fauto-sccs-on-exported-toplevs") )
- , ( "no-caf-all" , NoArg (removeOpt "-fauto-sccs-on-individual-cafs") )
+ , Flag "no-auto-all" (NoArg (removeOpt "-fauto-sccs-on-all-toplevs"))
+ Supported
+ , Flag "no-auto" (NoArg (removeOpt "-fauto-sccs-on-exported-toplevs"))
+ Supported
+ , Flag "no-caf-all" (NoArg (removeOpt "-fauto-sccs-on-individual-cafs"))
+ Supported
- ------- Miscellaneous -----------------------------------------------
- , ( "no-link-chk" , NoArg (return ()) ) -- ignored for backwards compat
+ ----- Linker --------------------------------------------------------
+ , Flag "static" (PassFlag addOpt) Supported
+ , Flag "dynamic" (NoArg (removeOpt "-static")) Supported
+ -- ignored for compat w/ gcc:
+ , Flag "rdynamic" (NoArg (return ())) Supported
- ----- Linker --------------------------------------------------------
- , ( "static" , PassFlag addOpt )
- , ( "dynamic" , NoArg (removeOpt "-static") )
- , ( "rdynamic" , NoArg (return ()) ) -- ignored for compat w/ gcc
-
- ----- RTS opts ------------------------------------------------------
- , ( "H" , HasArg (setHeapSize . fromIntegral . decodeSize) )
- , ( "Rghc-timing" , NoArg (enableTimingStats) )
+ ----- RTS opts ------------------------------------------------------
+ , Flag "H" (HasArg (setHeapSize . fromIntegral . decodeSize))
+ Supported
+ , Flag "Rghc-timing" (NoArg (enableTimingStats)) Supported
------ Compiler flags -----------------------------------------------
- -- All other "-fno-<blah>" options cancel out "-f<blah>" on the hsc cmdline
- , ( "fno-", PrefixPred (\s -> isStaticFlag ("f"++s))
- (\s -> removeOpt ("-f"++s)) )
-
- -- Pass all remaining "-f<blah>" options to hsc
- , ( "f", AnySuffixPred (isStaticFlag) addOpt )
+ -- All other "-fno-<blah>" options cancel out "-f<blah>" on the hsc cmdline
+ , Flag "fno-"
+ (PrefixPred (\s -> isStaticFlag ("f"++s)) (\s -> removeOpt ("-f"++s)))
+ Supported
+
+ -- Pass all remaining "-f<blah>" options to hsc
+ , Flag "f" (AnySuffixPred (isStaticFlag) addOpt)
+ Supported
]
+addOpt :: String -> IO ()
addOpt = consIORef v_opt_C
+addWay :: WayName -> IO ()
addWay = consIORef v_Ways
+removeOpt :: String -> IO ()
removeOpt f = do
fs <- readIORef v_opt_C
writeIORef v_opt_C $! filter (/= f) fs
-- holds the static opts while they're being collected, before
-- being unsafely read by unpacked_static_opts below.
GLOBAL_VAR(v_opt_C, defaultStaticOpts, [String])
-staticFlags = unsafePerformIO (readIORef v_opt_C)
+GLOBAL_VAR(v_opt_C_ready, False, Bool)
+
+staticFlags :: [String]
+staticFlags = unsafePerformIO $ do
+ ready <- readIORef v_opt_C_ready
+ if (not ready)
+ then panic "Static flags have not been initialised!\n Please call GHC.newSession or GHC.parseStaticFlags early enough."
+ else readIORef v_opt_C
-- -static is the default
+defaultStaticOpts :: [String]
defaultStaticOpts = ["-static"]
+packed_static_opts :: [FastString]
packed_static_opts = map mkFastString staticFlags
lookUp sw = sw `elem` packed_static_opts
-- (lookup_str "foo") looks for the flag -foo=X or -fooX,
-- and returns the string X
lookup_str sw
- = case firstJust (map (startsWith sw) staticFlags) of
+ = case firstJust (map (maybePrefixMatch sw) staticFlags) of
Just ('=' : str) -> Just str
Just str -> Just str
Nothing -> Nothing
expandAts l = [l]
-}
-
-opt_IgnoreDotGhci = lookUp FSLIT("-ignore-dot-ghci")
+opt_IgnoreDotGhci :: Bool
+opt_IgnoreDotGhci = lookUp (fsLit "-ignore-dot-ghci")
-- debugging opts
-opt_PprStyle_Debug = lookUp FSLIT("-dppr-debug")
+opt_SuppressUniques :: Bool
+opt_SuppressUniques = lookUp (fsLit "-dsuppress-uniques")
+opt_PprStyle_Debug :: Bool
+opt_PprStyle_Debug = lookUp (fsLit "-dppr-debug")
+opt_PprUserLength :: Int
opt_PprUserLength = lookup_def_int "-dppr-user-length" 5 --ToDo: give this a name
+opt_Fuel :: Int
+opt_Fuel = lookup_def_int "-dopt-fuel" maxBound
+opt_NoDebugOutput :: Bool
+opt_NoDebugOutput = lookUp (fsLit "-dno-debug-output")
+
-- profiling opts
-opt_AutoSccsOnAllToplevs = lookUp FSLIT("-fauto-sccs-on-all-toplevs")
-opt_AutoSccsOnExportedToplevs = lookUp FSLIT("-fauto-sccs-on-exported-toplevs")
-opt_AutoSccsOnIndividualCafs = lookUp FSLIT("-fauto-sccs-on-individual-cafs")
-opt_SccProfilingOn = lookUp FSLIT("-fscc-profiling")
-opt_DoTickyProfiling = lookUp FSLIT("-fticky-ticky")
+opt_AutoSccsOnAllToplevs :: Bool
+opt_AutoSccsOnAllToplevs = lookUp (fsLit "-fauto-sccs-on-all-toplevs")
+opt_AutoSccsOnExportedToplevs :: Bool
+opt_AutoSccsOnExportedToplevs = lookUp (fsLit "-fauto-sccs-on-exported-toplevs")
+opt_AutoSccsOnIndividualCafs :: Bool
+opt_AutoSccsOnIndividualCafs = lookUp (fsLit "-fauto-sccs-on-individual-cafs")
+opt_SccProfilingOn :: Bool
+opt_SccProfilingOn = lookUp (fsLit "-fscc-profiling")
+opt_DoTickyProfiling :: Bool
+opt_DoTickyProfiling = WayTicky `elem` (unsafePerformIO $ readIORef v_Ways)
+
+-- Hpc opts
+opt_Hpc :: Bool
+opt_Hpc = lookUp (fsLit "-fhpc")
-- language opts
-opt_DictsStrict = lookUp FSLIT("-fdicts-strict")
-opt_IrrefutableTuples = lookUp FSLIT("-firrefutable-tuples")
-opt_MaxContextReductionDepth = lookup_def_int "-fcontext-stack" mAX_CONTEXT_REDUCTION_DEPTH
-opt_Parallel = lookUp FSLIT("-fparallel")
-opt_Flatten = lookUp FSLIT("-fflatten")
+opt_DictsStrict :: Bool
+opt_DictsStrict = lookUp (fsLit "-fdicts-strict")
+opt_IrrefutableTuples :: Bool
+opt_IrrefutableTuples = lookUp (fsLit "-firrefutable-tuples")
+opt_Parallel :: Bool
+opt_Parallel = lookUp (fsLit "-fparallel")
-- optimisation opts
-opt_NoStateHack = lookUp FSLIT("-fno-state-hack")
-opt_NoMethodSharing = lookUp FSLIT("-fno-method-sharing")
-opt_CprOff = lookUp FSLIT("-fcpr-off")
-opt_RulesOff = lookUp FSLIT("-frules-off")
+opt_DsMultiTyVar :: Bool
+opt_DsMultiTyVar = not (lookUp (fsLit "-fno-ds-multi-tyvar"))
+ -- On by default
+
+opt_SpecInlineJoinPoints :: Bool
+opt_SpecInlineJoinPoints = lookUp (fsLit "-fspec-inline-join-points")
+
+opt_NoStateHack :: Bool
+opt_NoStateHack = lookUp (fsLit "-fno-state-hack")
+opt_CprOff :: Bool
+opt_CprOff = lookUp (fsLit "-fcpr-off")
-- Switch off CPR analysis in the new demand analyser
-opt_LiberateCaseThreshold = lookup_def_int "-fliberate-case-threshold" (10::Int)
+opt_MaxWorkerArgs :: Int
opt_MaxWorkerArgs = lookup_def_int "-fmax-worker-args" (10::Int)
-opt_EmitCExternDecls = lookUp FSLIT("-femit-extern-decls")
-opt_GranMacros = lookUp FSLIT("-fgransim")
-opt_HiVersion = read (cProjectVersionInt ++ cProjectPatchLevel) :: Int
+opt_GranMacros :: Bool
+opt_GranMacros = lookUp (fsLit "-fgransim")
+opt_HiVersion :: Integer
+opt_HiVersion = read (cProjectVersionInt ++ cProjectPatchLevel) :: Integer
+opt_HistorySize :: Int
opt_HistorySize = lookup_def_int "-fhistory-size" 20
-opt_OmitBlackHoling = lookUp FSLIT("-dno-black-holing")
-opt_RuntimeTypes = lookUp FSLIT("-fruntime-types")
+opt_OmitBlackHoling :: Bool
+opt_OmitBlackHoling = lookUp (fsLit "-dno-black-holing")
-- Simplifier switches
-opt_SimplNoPreInlining = lookUp FSLIT("-fno-pre-inlining")
+opt_SimplNoPreInlining :: Bool
+opt_SimplNoPreInlining = lookUp (fsLit "-fno-pre-inlining")
-- NoPreInlining is there just to see how bad things
-- get if you don't do it!
-opt_SimplExcessPrecision = lookUp FSLIT("-fexcess-precision")
+opt_SimplExcessPrecision :: Bool
+opt_SimplExcessPrecision = lookUp (fsLit "-fexcess-precision")
-- Unfolding control
+opt_UF_CreationThreshold :: Int
opt_UF_CreationThreshold = lookup_def_int "-funfolding-creation-threshold" (45::Int)
+opt_UF_UseThreshold :: Int
opt_UF_UseThreshold = lookup_def_int "-funfolding-use-threshold" (8::Int) -- Discounts can be big
+opt_UF_FunAppDiscount :: Int
opt_UF_FunAppDiscount = lookup_def_int "-funfolding-fun-discount" (6::Int) -- It's great to inline a fn
+opt_UF_KeenessFactor :: Float
opt_UF_KeenessFactor = lookup_def_float "-funfolding-keeness-factor" (1.5::Float)
-opt_UF_UpdateInPlace = lookUp FSLIT("-funfolding-update-in-place")
+opt_UF_DearOp :: Int
opt_UF_DearOp = ( 4 :: Int)
-
-opt_Static = lookUp FSLIT("-static")
-opt_Unregisterised = lookUp FSLIT("-funregisterised")
-opt_EmitExternalCore = lookUp FSLIT("-fext-core")
+
+
+-- Related to linking
+opt_PIC :: Bool
+#if darwin_TARGET_OS && x86_64_TARGET_ARCH
+opt_PIC = True
+#else
+opt_PIC = lookUp (fsLit "-fPIC")
+#endif
+opt_Static :: Bool
+opt_Static = lookUp (fsLit "-static")
+opt_Unregisterised :: Bool
+opt_Unregisterised = lookUp (fsLit "-funregisterised")
+
+-- Derived, not a real option. Determines whether we will be compiling
+-- info tables that reside just before the entry code, or with an
+-- indirection to the entry code. See TABLES_NEXT_TO_CODE in
+-- includes/InfoTables.h.
+tablesNextToCode :: Bool
+tablesNextToCode = not opt_Unregisterised
+ && cGhcEnableTablesNextToCode == "YES"
+
+opt_EmitExternalCore :: Bool
+opt_EmitExternalCore = lookUp (fsLit "-fext-core")
-- Include full span info in error messages, instead of just the start position.
-opt_ErrorSpans = lookUp FSLIT("-ferror-spans")
+opt_ErrorSpans :: Bool
+opt_ErrorSpans = lookUp (fsLit "-ferror-spans")
-opt_PIC = lookUp FSLIT("-fPIC")
-- object files and libraries to be linked in are collected here.
-- ToDo: perhaps this could be done without a global, it wasn't obvious
-- how to do it though --SDM.
GLOBAL_VAR(v_Ld_inputs, [], [String])
+isStaticFlag :: String -> Bool
isStaticFlag f =
f `elem` [
"fauto-sccs-on-all-toplevs",
"fauto-sccs-on-exported-toplevs",
"fauto-sccs-on-individual-cafs",
"fscc-profiling",
- "fticky-ticky",
- "fall-strict",
"fdicts-strict",
+ "fspec-inline-join-points",
"firrefutable-tuples",
"fparallel",
- "fflatten",
- "fsemi-tagging",
- "flet-no-escape",
- "femit-extern-decls",
- "fglobalise-toplev-names",
"fgransim",
"fno-hi-version-check",
"dno-black-holing",
"fno-method-sharing",
"fno-state-hack",
+ "fno-ds-multi-tyvar",
"fruntime-types",
"fno-pre-inlining",
"fexcess-precision",
- "funfolding-update-in-place",
"static",
+ "fhardwire-lib-paths",
"funregisterised",
"fext-core",
- "frule-check",
- "frules-off",
"fcpr-off",
"ferror-spans",
- "fPIC"
+ "fPIC",
+ "fhpc"
]
- || any (flip prefixMatch f) [
- "fcontext-stack",
+ || any (`isPrefixOf` f) [
"fliberate-case-threshold",
"fmax-worker-args",
"fhistory-size",
"funfolding-keeness-factor"
]
-
-
--- Misc functions for command-line options
-
-startsWith :: String -> String -> Maybe String
--- startsWith pfx (pfx++rest) = Just rest
-
-startsWith [] str = Just str
-startsWith (c:cs) (s:ss)
- = if c /= s then Nothing else startsWith cs ss
-startsWith _ [] = Nothing
-
-
-----------------------------------------------------------------------------
-- convert sizes like "3.5M" into integers
| c == "K" || c == "k" = truncate (n * 1000)
| c == "M" || c == "m" = truncate (n * 1000 * 1000)
| c == "G" || c == "g" = truncate (n * 1000 * 1000 * 1000)
- | otherwise = throwDyn (CmdLineError ("can't decode size: " ++ str))
+ | otherwise = ghcError (CmdLineError ("can't decode size: " ++ str))
where (m, c) = span pred str
- n = read m :: Double
+ n = readRational m
pred c = isDigit c || c == '.'
-----------------------------------------------------------------------------
-- RTS Hooks
-#if __GLASGOW_HASKELL__ >= 504
foreign import ccall unsafe "setHeapSize" setHeapSize :: Int -> IO ()
foreign import ccall unsafe "enableTimingStats" enableTimingStats :: IO ()
-#else
-foreign import "setHeapSize" unsafe setHeapSize :: Int -> IO ()
-foreign import "enableTimingStats" unsafe enableTimingStats :: IO ()
-#endif
-----------------------------------------------------------------------------
-- Ways
= WayThreaded
| WayDebug
| WayProf
- | WayUnreg
| WayTicky
| WayPar
| WayGran
GLOBAL_VAR(v_Ways, [] ,[WayName])
+allowed_combination :: [WayName] -> Bool
allowed_combination way = and [ x `allowedWith` y
| x <- way, y <- way, x < y ]
where
_ `allowedWith` WayDebug = True
WayDebug `allowedWith` _ = True
- WayThreaded `allowedWith` WayProf = True
- WayProf `allowedWith` WayUnreg = True
WayProf `allowedWith` WayNDP = True
+ WayThreaded `allowedWith` WayProf = True
_ `allowedWith` _ = False
findBuildTag = do
way_names <- readIORef v_Ways
let ws = sort (nub way_names)
+
if not (allowed_combination ws)
- then throwDyn (CmdLineError $
+ then ghcError (CmdLineError $
"combination not supported: " ++
foldr1 (\a b -> a ++ '/':b)
(map (wayName . lkupWay) ws))
writeIORef v_RTS_Build_tag rts_tag
return (concat flags)
+
+
mkBuildTag :: [Way] -> String
mkBuildTag ways = concat (intersperse "_" (map wayTag ways))
+lkupWay :: WayName -> Way
lkupWay w =
case lookup w way_details of
Nothing -> error "findBuildTag"
Just details -> details
+isRTSWay :: WayName -> Bool
+isRTSWay = wayRTSOnly . lkupWay
+
data Way = Way {
wayTag :: String,
wayRTSOnly :: Bool,
way_details =
[ (WayThreaded, Way "thr" True "Threaded" [
#if defined(freebsd_TARGET_OS)
- "-optc-pthread"
- , "-optl-pthread"
+-- "-optc-pthread"
+-- , "-optl-pthread"
+ -- FreeBSD's default threading library is the KSE-based M:N libpthread,
+ -- which GHC has some problems with. It's currently not clear whether
+ -- the problems are our fault or theirs, but it seems that using the
+ -- alternative 1:1 threading library libthr works around it:
+ "-optl-lthr"
#elif defined(solaris2_TARGET_OS)
"-optl-lrt"
#endif
, "-DPROFILING"
, "-optc-DPROFILING" ]),
- (WayTicky, Way "t" False "Ticky-ticky Profiling"
- [ "-fticky-ticky"
- , "-DTICKY_TICKY"
+ (WayTicky, Way "t" True "Ticky-ticky Profiling"
+ [ "-DTICKY_TICKY"
, "-optc-DTICKY_TICKY" ]),
- (WayUnreg, Way "u" False "Unregisterised"
- unregFlags ),
-
-- optl's below to tell linker where to find the PVM library -- HWL
(WayPar, Way "mp" False "Parallel"
[ "-fparallel"
, "-package concurrent" ]),
(WayNDP, Way "ndp" False "Nested data parallelism"
- [ "-fparr"
- , "-fflatten"]),
+ [ "-XParr"
+ , "-fvectorise"]),
(WayUser_a, Way "a" False "User way 'a'" ["$WAY_a_REAL_OPTS"]),
(WayUser_b, Way "b" False "User way 'b'" ["$WAY_b_REAL_OPTS"]),
(WayUser_B, Way "B" False "User way 'B'" ["$WAY_B_REAL_OPTS"])
]
+unregFlags :: [String]
unregFlags =
[ "-optc-DNO_REGS"
, "-optc-DUSE_MINIINTERPRETER"