+{-# OPTIONS_GHC -w #-}
+-- Temporary, until rtsIsProfiled is fixed
+
-- |
-- Dynamic flags
--
-- flags. Dynamic flags can also be set at the prompt in GHCi.
module DynFlags (
-- * Dynamic flags and associated configuration types
- DOpt(..),
DynFlag(..),
ExtensionFlag(..),
- flattenExtensionFlags,
- ensureFlattenedExtensionFlags,
- lopt_set_flattened,
- lopt_unset_flattened,
+ glasgowExtsFlags,
+ dopt,
+ dopt_set,
+ dopt_unset,
+ xopt,
+ xopt_set,
+ xopt_unset,
DynFlags(..),
RtsOptsEnabled(..),
HscTarget(..), isObjectTarget, defaultObjectTarget,
Option(..), showOpt,
DynLibLoader(..),
fFlags, fLangFlags, xFlags,
- dphPackage,
+ DPHBackend(..), dphPackage,
wayNames,
-- ** Manipulating DynFlags
-- * Compiler configuration suitable for display to the user
Printable(..),
compilerInfo
+#ifdef GHCI
+-- Only in stage 2 can we be sure that the RTS
+-- exposes the appropriate runtime boolean
+ , rtsIsProfiled
+#endif
) where
#include "HsVersions.h"
import Maybes ( orElse )
import SrcLoc
import FastString
-import FiniteMap
import Outputable
+import Foreign.C ( CInt )
import {-# SOURCE #-} ErrUtils ( Severity(..), Message, mkLocMessage )
+import System.IO.Unsafe ( unsafePerformIO )
import Data.IORef
import Control.Monad ( when )
import Data.Char
import Data.List
+import Data.Map (Map)
+import qualified Data.Map as Map
import System.FilePath
import System.IO ( stderr, hPutChar )
| Opt_D_dump_foreign
| Opt_D_dump_inlinings
| Opt_D_dump_rule_firings
+ | Opt_D_dump_rule_rewrites
| Opt_D_dump_occur_anal
| Opt_D_dump_parsed
| Opt_D_dump_rn
| Opt_WarnHiShadows
| Opt_WarnImplicitPrelude
| Opt_WarnIncompletePatterns
+ | Opt_WarnIncompleteUniPatterns
| Opt_WarnIncompletePatternsRecUpd
| Opt_WarnMissingFields
| Opt_WarnMissingImportList
| Opt_WarnMissingMethods
| Opt_WarnMissingSigs
+ | Opt_WarnMissingLocalSigs
| Opt_WarnNameShadowing
| Opt_WarnOverlappingPatterns
- | Opt_WarnSimplePatterns
| Opt_WarnTypeDefaults
| Opt_WarnMonomorphism
| Opt_WarnUnusedBinds
| Opt_WarnDodgyExports
| Opt_WarnDodgyImports
| Opt_WarnOrphans
+ | Opt_WarnAutoOrphans
+ | Opt_WarnIdentities
| Opt_WarnTabs
| Opt_WarnUnrecognisedPragmas
| Opt_WarnDodgyForeignImports
| Opt_DoEtaReduction
| Opt_CaseMerge
| Opt_UnboxStrictFields
- | Opt_MethodSharing
+ | Opt_MethodSharing -- Now a no-op; remove in GHC 7.2
| Opt_DictsCheap
| Opt_EnableRewriteRules -- Apply rewrite rules during simplification
| Opt_Vectorise
| Opt_SharedImplib
| Opt_BuildingCabalPackage
| Opt_SSE2
+ | Opt_GhciSandbox
+ | Opt_HelpfulErrors
-- temporary flags
| Opt_RunCPS
| Opt_MonomorphismRestriction
| Opt_MonoPatBinds
| Opt_MonoLocalBinds
+ | Opt_RelaxedPolyRec -- Deprecated
| Opt_ExtendedDefaultRules -- Use GHC's extended rules for defaulting
| Opt_ForeignFunctionInterface
| Opt_UnliftedFFITypes
| Opt_GHCForeignImportPrim
- | Opt_PArr -- Syntactic support for parallel arrays
+ | Opt_ParallelArrays -- Syntactic support for parallel arrays
| Opt_Arrows -- Arrow-notation syntax
| Opt_TemplateHaskell
| Opt_QuasiQuotes
| Opt_RecordPuns
| Opt_ViewPatterns
| Opt_GADTs
- | Opt_RelaxedPolyRec
+ | Opt_GADTSyntax
| Opt_NPlusKPatterns
+ | Opt_DoAndIfThenElse
+ | Opt_RebindableSyntax
| Opt_StandaloneDeriving
| Opt_DeriveDataTypeable
| Opt_ImpredicativeTypes
| Opt_TypeOperators
| Opt_PackageImports
- | Opt_NewQualifiedOperators
| Opt_ExplicitForAll
| Opt_AlternativeLayoutRule
| Opt_AlternativeLayoutRuleTransitional
| Opt_DatatypeContexts
+ | Opt_NondecreasingIndentation
+ | Opt_RelaxedLayout
deriving (Eq, Show)
-- | Contains not only a collection of 'DynFlag's but also a plethora of
specConstrThreshold :: Maybe Int, -- ^ Threshold for SpecConstr
specConstrCount :: Maybe Int, -- ^ Max number of specialisations for any one function
liberateCaseThreshold :: Maybe Int, -- ^ Threshold for LiberateCase
+ floatLamArgs :: Maybe Int, -- ^ Arg count for lambda floating
+ -- See CoreMonad.FloatOutSwitches
#ifndef OMIT_NATIVE_CODEGEN
targetPlatform :: Platform, -- ^ The platform we're compiling for. Used by the NCG.
-- These have to be IORefs, because the defaultCleanupHandler needs to
-- know what to clean when an exception happens
filesToClean :: IORef [FilePath],
- dirsToClean :: IORef (FiniteMap FilePath FilePath),
+ dirsToClean :: IORef (Map FilePath FilePath),
-- hsc dynamic flags
flags :: [DynFlag],
+ -- Don't change this without updating extensionFlags:
language :: Maybe Language,
- extensionFlags :: Either [OnOff ExtensionFlag]
- [ExtensionFlag],
+ -- Don't change this without updating extensionFlags:
+ extensions :: [OnOff ExtensionFlag],
+ -- extensionFlags should always be equal to
+ -- flattenExtensionFlags language extensions
+ extensionFlags :: [ExtensionFlag],
-- | Message output action: use "ErrUtils" instead of this if you can
log_action :: Severity -> SrcSpan -> PprStyle -> Message -> IO (),
data DynLibLoader
= Deployable
- | Wrapped (Maybe String)
| SystemDependent
deriving Eq
-- someday these will be dynamic flags
ways <- readIORef v_Ways
refFilesToClean <- newIORef []
- refDirsToClean <- newIORef emptyFM
+ refDirsToClean <- newIORef Map.empty
return dflags{
ways = ways,
buildTag = mkBuildTag (filter (not . wayRTSOnly) ways),
specConstrThreshold = Just 200,
specConstrCount = Just 3,
liberateCaseThreshold = Just 200,
+ floatLamArgs = Just 0, -- Default: float only if no fvs
strictnessBefore = [],
#ifndef OMIT_NATIVE_CODEGEN
mainFunIs = Nothing,
ctxtStkDepth = mAX_CONTEXT_REDUCTION_DEPTH,
- dphBackend = DPHPar,
+ dphBackend = DPHNone,
thisPackage = mainPackageId,
filesToClean = panic "defaultDynFlags: No filesToClean",
dirsToClean = panic "defaultDynFlags: No dirsToClean",
haddockOptions = Nothing,
- flags = [
- Opt_AutoLinkPackages,
- Opt_ReadUserPackageConf,
-
- Opt_MethodSharing,
-
- Opt_DoAsmMangling,
-
- Opt_SharedImplib,
-
- Opt_GenManifest,
- Opt_EmbedManifest,
- Opt_PrintBindContents
- ]
- ++ [f | (ns,f) <- optLevelFlags, 0 `elem` ns]
- -- The default -O0 options
- ++ standardWarnings,
-
+ flags = defaultFlags,
language = Nothing,
- extensionFlags = Left [],
+ extensions = [],
+ extensionFlags = flattenExtensionFlags Nothing [],
log_action = \severity srcSpan style msg ->
case severity of
- SevInfo -> printErrs (msg style)
- SevFatal -> printErrs (msg style)
- _ -> do
+ SevOutput -> printOutput (msg style)
+ SevInfo -> printErrs (msg style)
+ SevFatal -> printErrs (msg style)
+ _ -> do
hPutChar stderr '\n'
printErrs ((mkLocMessage srcSpan msg) style)
-- careful (#2302): printErrs prints in UTF-8, whereas
data OnOff a = On a
| Off a
-flattenExtensionFlags :: DynFlags -> DynFlags
-flattenExtensionFlags dflags
- = case extensionFlags dflags of
- Left onoffs ->
- dflags {
- extensionFlags = Right $ flattenExtensionFlags' (language dflags) onoffs
- }
- Right _ ->
- panic "Flattening already-flattened extension flags"
-
-ensureFlattenedExtensionFlags :: DynFlags -> DynFlags
-ensureFlattenedExtensionFlags dflags
- = case extensionFlags dflags of
- Left onoffs ->
- dflags {
- extensionFlags = Right $ flattenExtensionFlags' (language dflags) onoffs
- }
- Right _ ->
- dflags
-
-- OnOffs accumulate in reverse order, so we use foldr in order to
-- process them in the right order
-flattenExtensionFlags' :: Maybe Language -> [OnOff ExtensionFlag]
- -> [ExtensionFlag]
-flattenExtensionFlags' ml = foldr f defaultExtensionFlags
+flattenExtensionFlags :: Maybe Language -> [OnOff ExtensionFlag]
+ -> [ExtensionFlag]
+flattenExtensionFlags ml = foldr f defaultExtensionFlags
where f (On f) flags = f : delete f flags
f (Off f) flags = delete f flags
defaultExtensionFlags = languageExtensions ml
languageExtensions :: Maybe Language -> [ExtensionFlag]
+
languageExtensions Nothing
+ -- Nothing => the default case
= Opt_MonoPatBinds -- Experimentally, I'm making this non-standard
-- behaviour the default, to see if anyone notices
-- SLPJ July 06
+ -- In due course I'd like Opt_MonoLocalBinds to be on by default
+ -- But NB it's implied by GADTs etc
+ -- SLPJ September 2010
+ : Opt_NondecreasingIndentation -- This has been on by default for some time
: languageExtensions (Just Haskell2010)
+
languageExtensions (Just Haskell98)
= [Opt_ImplicitPrelude,
Opt_MonomorphismRestriction,
Opt_NPlusKPatterns,
- Opt_DatatypeContexts]
+ Opt_DatatypeContexts,
+ Opt_NondecreasingIndentation
+ -- strictly speaking non-standard, but we always had this
+ -- on implicitly before the option was added in 7.1, and
+ -- turning it off breaks code, so we're keeping it on for
+ -- backwards compatibility. Cabal uses -XHaskell98 by
+ -- default unless you specify another language.
+ ]
+
languageExtensions (Just Haskell2010)
= [Opt_ImplicitPrelude,
Opt_MonomorphismRestriction,
Opt_EmptyDataDecls,
Opt_ForeignFunctionInterface,
Opt_PatternGuards,
+ Opt_DoAndIfThenElse,
Opt_RelaxedPolyRec]
--- The DOpt class is a temporary workaround, to avoid having to do
--- a mass-renaming dopt->lopt at the moment
-class DOpt a where
- dopt :: a -> DynFlags -> Bool
- dopt_set :: DynFlags -> a -> DynFlags
- dopt_unset :: DynFlags -> a -> DynFlags
-
-instance DOpt DynFlag where
- dopt = dopt'
- dopt_set = dopt_set'
- dopt_unset = dopt_unset'
-
-instance DOpt ExtensionFlag where
- dopt = lopt
- dopt_set = lopt_set
- dopt_unset = lopt_unset
-
-- | Test whether a 'DynFlag' is set
-dopt' :: DynFlag -> DynFlags -> Bool
-dopt' f dflags = f `elem` (flags dflags)
+dopt :: DynFlag -> DynFlags -> Bool
+dopt f dflags = f `elem` (flags dflags)
-- | Set a 'DynFlag'
-dopt_set' :: DynFlags -> DynFlag -> DynFlags
-dopt_set' dfs f = dfs{ flags = f : flags dfs }
+dopt_set :: DynFlags -> DynFlag -> DynFlags
+dopt_set dfs f = dfs{ flags = f : flags dfs }
-- | Unset a 'DynFlag'
-dopt_unset' :: DynFlags -> DynFlag -> DynFlags
-dopt_unset' dfs f = dfs{ flags = filter (/= f) (flags dfs) }
+dopt_unset :: DynFlags -> DynFlag -> DynFlags
+dopt_unset dfs f = dfs{ flags = filter (/= f) (flags dfs) }
-- | Test whether a 'ExtensionFlag' is set
-lopt :: ExtensionFlag -> DynFlags -> Bool
-lopt f dflags = case extensionFlags dflags of
- Left _ -> panic ("Testing for extension flag " ++ show f ++ " before flattening")
- Right flags -> f `elem` flags
+xopt :: ExtensionFlag -> DynFlags -> Bool
+xopt f dflags = f `elem` extensionFlags dflags
-- | Set a 'ExtensionFlag'
-lopt_set :: DynFlags -> ExtensionFlag -> DynFlags
-lopt_set dfs f = case extensionFlags dfs of
- Left onoffs -> dfs { extensionFlags = Left (On f : onoffs) }
- Right _ -> panic ("Setting extension flag " ++ show f ++ " after flattening")
-
--- | Set a 'ExtensionFlag'
-lopt_set_flattened :: DynFlags -> ExtensionFlag -> DynFlags
-lopt_set_flattened dfs f = case extensionFlags dfs of
- Left _ ->
- panic ("Setting extension flag " ++ show f ++ " before flattening, but expected flattened")
- Right flags ->
- dfs { extensionFlags = Right (f : delete f flags) }
+xopt_set :: DynFlags -> ExtensionFlag -> DynFlags
+xopt_set dfs f
+ = let onoffs = On f : extensions dfs
+ in dfs { extensions = onoffs,
+ extensionFlags = flattenExtensionFlags (language dfs) onoffs }
-- | Unset a 'ExtensionFlag'
-lopt_unset :: DynFlags -> ExtensionFlag -> DynFlags
-lopt_unset dfs f = case extensionFlags dfs of
- Left onoffs -> dfs { extensionFlags = Left (Off f : onoffs) }
- Right _ -> panic ("Unsetting extension flag " ++ show f ++ " after flattening")
+xopt_unset :: DynFlags -> ExtensionFlag -> DynFlags
+xopt_unset dfs f
+ = let onoffs = Off f : extensions dfs
+ in dfs { extensions = onoffs,
+ extensionFlags = flattenExtensionFlags (language dfs) onoffs }
--- | Unset a 'ExtensionFlag'
-lopt_unset_flattened :: DynFlags -> ExtensionFlag -> DynFlags
-lopt_unset_flattened dfs f = case extensionFlags dfs of
- Left _ ->
- panic ("Unsetting extension flag " ++ show f ++ " before flattening, but expected flattened")
- Right flags ->
- dfs { extensionFlags = Right (delete f flags) }
+setLanguage :: Language -> DynP ()
+setLanguage l = upd f
+ where f dfs = let mLang = Just l
+ oneoffs = extensions dfs
+ in dfs {
+ language = mLang,
+ extensionFlags = flattenExtensionFlags mLang oneoffs
+ }
-- | Retrieve the options corresponding to a particular @opt_*@ field in the correct order
getOpts :: DynFlags -- ^ 'DynFlags' to retrieve the options from
setObjectDir, setHiDir, setStubDir, setOutputDir, setDylibInstallName,
setObjectSuf, setHiSuf, setHcSuf, parseDynLibLoaderMode,
- setPgmP, setPgmL, setPgmF, setPgmc, setPgmm, setPgms, setPgma, setPgml, setPgmdll, setPgmwindres,
- setPgmlo, setPgmlc,
- addOptL, addOptP, addOptF, addOptc, addOptm, addOpta, addOptl, addOptwindres, addOptlo, addOptlc,
+ setPgmP, addOptl, addOptP,
addCmdlineFramework, addHaddockOpts
:: String -> DynFlags -> DynFlags
setOutputFile, setOutputHi, setDumpPrefixForce
case splitAt 8 f of
("deploy", "") -> d{ dynLibLoader = Deployable }
("sysdep", "") -> d{ dynLibLoader = SystemDependent }
- ("wrapped", "") -> d{ dynLibLoader = Wrapped Nothing }
- ("wrapped:", "hard") -> d{ dynLibLoader = Wrapped Nothing }
- ("wrapped:", flex) -> d{ dynLibLoader = Wrapped (Just flex) }
_ -> ghcError (CmdLineError ("Unknown dynlib loader: " ++ f))
setDumpPrefixForce f d = d { dumpPrefixForce = f}
-- XXX HACK: Prelude> words "'does not' work" ===> ["'does","not'","work"]
-- Config.hs should really use Option.
setPgmP f d = let (pgm:args) = words f in d{ pgm_P = (pgm, map Option args)}
-
-setPgmL f d = d{ pgm_L = f}
-setPgmF f d = d{ pgm_F = f}
-setPgmc f d = d{ pgm_c = (f,[])}
-setPgmm f d = d{ pgm_m = (f,[])}
-setPgms f d = d{ pgm_s = (f,[])}
-setPgma f d = d{ pgm_a = (f,[])}
-setPgml f d = d{ pgm_l = (f,[])}
-setPgmdll f d = d{ pgm_dll = (f,[])}
-setPgmwindres f d = d{ pgm_windres = f}
-setPgmlo f d = d{ pgm_lo = (f,[])}
-setPgmlc f d = d{ pgm_lc = (f,[])}
-
-addOptL f d = d{ opt_L = f : opt_L d}
-addOptP f d = d{ opt_P = f : opt_P d}
-addOptF f d = d{ opt_F = f : opt_F d}
-addOptc f d = d{ opt_c = f : opt_c d}
-addOptm f d = d{ opt_m = f : opt_m d}
-addOpta f d = d{ opt_a = f : opt_a d}
addOptl f d = d{ opt_l = f : opt_l d}
-addOptwindres f d = d{ opt_windres = f : opt_windres d}
-addOptlo f d = d{ opt_lo = f : opt_lo d}
-addOptlc f d = d{ opt_lc = f : opt_lc d}
+addOptP f d = d{ opt_P = f : opt_P d}
+
setDepMakefile :: FilePath -> DynFlags -> DynFlags
setDepMakefile f d = d { depMakefile = deOptDep f }
extra_dopts = [ f | (ns,f) <- optLevelFlags, final_n `elem` ns ]
remove_dopts = [ f | (ns,f) <- optLevelFlags, final_n `notElem` ns ]
-optLevelFlags :: [([Int], DynFlag)]
-optLevelFlags
- = [ ([0], Opt_IgnoreInterfacePragmas)
- , ([0], Opt_OmitInterfacePragmas)
-
- , ([1,2], Opt_IgnoreAsserts)
- , ([1,2], Opt_EnableRewriteRules) -- Off for -O0; see Note [Scoping for Builtin rules]
- -- in PrelRules
- , ([1,2], Opt_DoEtaReduction)
- , ([1,2], Opt_CaseMerge)
- , ([1,2], Opt_Strictness)
- , ([1,2], Opt_CSE)
- , ([1,2], Opt_FullLaziness)
- , ([1,2], Opt_Specialise)
- , ([1,2], Opt_FloatIn)
-
- , ([2], Opt_LiberateCase)
- , ([2], Opt_SpecConstr)
-
--- , ([2], Opt_StaticArgumentTransformation)
--- Max writes: I think it's probably best not to enable SAT with -O2 for the
--- 6.10 release. The version of SAT in HEAD at the moment doesn't incorporate
--- several improvements to the heuristics, and I'm concerned that without
--- those changes SAT will interfere with some attempts to write "high
--- performance Haskell", as we saw in some posts on Haskell-Cafe earlier
--- this year. In particular, the version in HEAD lacks the tail call
--- criterion, so many things that look like reasonable loops will be
--- turned into functions with extra (unneccesary) thunk creation.
-
- , ([0,1,2], Opt_DoLambdaEtaExpansion)
- -- This one is important for a tiresome reason:
- -- we want to make sure that the bindings for data
- -- constructors are eta-expanded. This is probably
- -- a good thing anyway, but it seems fragile.
- ]
-
--- -----------------------------------------------------------------------------
--- Standard sets of warning options
-
-standardWarnings :: [DynFlag]
-standardWarnings
- = [ Opt_WarnWarningsDeprecations,
- Opt_WarnDeprecatedFlags,
- Opt_WarnUnrecognisedPragmas,
- Opt_WarnOverlappingPatterns,
- Opt_WarnMissingFields,
- Opt_WarnMissingMethods,
- Opt_WarnDuplicateExports,
- Opt_WarnLazyUnliftedBindings,
- Opt_WarnDodgyForeignImports,
- Opt_WarnWrongDoBind,
- Opt_WarnAlternativeLayoutRuleTransitional
- ]
-
-minusWOpts :: [DynFlag]
-minusWOpts
- = standardWarnings ++
- [ Opt_WarnUnusedBinds,
- Opt_WarnUnusedMatches,
- Opt_WarnUnusedImports,
- Opt_WarnIncompletePatterns,
- Opt_WarnDodgyExports,
- Opt_WarnDodgyImports
- ]
-
-minusWallOpts :: [DynFlag]
-minusWallOpts
- = minusWOpts ++
- [ Opt_WarnTypeDefaults,
- Opt_WarnNameShadowing,
- Opt_WarnMissingSigs,
- Opt_WarnHiShadows,
- Opt_WarnOrphans,
- Opt_WarnUnusedDoBind
- ]
-
--- minuswRemovesOpts should be every warning option
-minuswRemovesOpts :: [DynFlag]
-minuswRemovesOpts
- = minusWallOpts ++
- [Opt_WarnImplicitPrelude,
- Opt_WarnIncompletePatternsRecUpd,
- Opt_WarnSimplePatterns,
- Opt_WarnMonomorphism,
- Opt_WarnUnrecognisedPragmas,
- Opt_WarnTabs
- ]
-
-- -----------------------------------------------------------------------------
-- StgToDo: abstraction of stg-to-stg passes to run.
| otherwise
= todo1
+{- **********************************************************************
+%* *
+ DynFlags parser
+%* *
+%********************************************************************* -}
+
-- -----------------------------------------------------------------------------
--- DynFlags parser
+-- Parsing the dynamic flags.
+
+-- | Parse dynamic flags from a list of command line arguments. Returns the
+-- the parsed 'DynFlags', the left-over arguments, and a list of warnings.
+-- Throws a 'UsageError' if errors occurred during parsing (such as unknown
+-- flags or missing arguments).
+parseDynamicFlags :: Monad m =>
+ DynFlags -> [Located String]
+ -> m (DynFlags, [Located String], [Located String])
+ -- ^ Updated 'DynFlags', left-over arguments, and
+ -- list of warnings.
+parseDynamicFlags dflags args = parseDynamicFlags_ dflags args True
+
+-- | Like 'parseDynamicFlags' but does not allow the package flags (-package,
+-- -hide-package, -ignore-package, -hide-all-packages, -package-conf).
+parseDynamicNoPackageFlags :: Monad m =>
+ DynFlags -> [Located String]
+ -> m (DynFlags, [Located String], [Located String])
+ -- ^ Updated 'DynFlags', left-over arguments, and
+ -- list of warnings.
+parseDynamicNoPackageFlags dflags args = parseDynamicFlags_ dflags args False
+
+parseDynamicFlags_ :: Monad m =>
+ DynFlags -> [Located String] -> Bool
+ -> m (DynFlags, [Located String], [Located String])
+parseDynamicFlags_ dflags0 args pkg_flags = do
+ -- XXX Legacy support code
+ -- We used to accept things like
+ -- optdep-f -optdepdepend
+ -- optdep-f -optdep depend
+ -- optdep -f -optdepdepend
+ -- optdep -f -optdep depend
+ -- but the spaces trip up proper argument handling. So get rid of them.
+ let f (L p "-optdep" : L _ x : xs) = (L p ("-optdep" ++ x)) : f xs
+ f (x : xs) = x : f xs
+ f xs = xs
+ args' = f args
+
+ -- Note: -ignore-package (package_flags) must precede -i* (dynamic_flags)
+ flag_spec | pkg_flags = package_flags ++ dynamic_flags
+ | otherwise = dynamic_flags
+
+ let ((leftover, errs, warns), dflags1)
+ = runCmdLine (processArgs flag_spec args') dflags0
+ when (not (null errs)) $ ghcError $ errorsToGhcException errs
+
+ -- Cannot use -fPIC with registerised -fvia-C, because the mangler
+ -- isn't up to the job. We know that if hscTarget == HscC, then the
+ -- user has explicitly used -fvia-C, because -fasm is the default,
+ -- unless there is no NCG on this platform. The latter case is
+ -- checked when the -fPIC flag is parsed.
+ --
+ let (pic_warns, dflags2)
+ | opt_PIC && hscTarget dflags1 == HscC && cGhcUnregisterised == "NO"
+ = ([L noSrcSpan $ "Warning: -fvia-C is incompatible with -fPIC; ignoring -fvia-C"],
+ dflags1{ hscTarget = HscAsm })
+#if !(x86_64_TARGET_ARCH && linux_TARGET_OS)
+ | (not opt_Static || opt_PIC) && hscTarget dflags1 == HscLlvm
+ = ([L noSrcSpan $ "Warning: -fllvm is incompatible with -fPIC and -"
+ ++ "dynamic on this platform;\n ignoring -fllvm"],
+ dflags1{ hscTarget = HscAsm })
+#endif
+ | otherwise = ([], dflags1)
+
+ return (dflags2, leftover, pic_warns ++ warns)
+
+
+{- **********************************************************************
+%* *
+ DynFlags specifications
+%* *
+%********************************************************************* -}
allFlags :: [String]
allFlags = map ('-':) $
flags = [ name | (name, _, _) <- fFlags ]
flags' = [ name | (name, _, _) <- fLangFlags ]
-dynamic_flags :: [Flag DynP]
+--------------- The main flags themselves ------------------
+dynamic_flags :: [Flag (CmdLineP DynFlags)]
dynamic_flags = [
- Flag "n" (NoArg (setDynFlag Opt_DryRun)) Supported
- , Flag "cpp" (NoArg (setExtensionFlag Opt_Cpp)) Supported
- , Flag "F" (NoArg (setDynFlag Opt_Pp)) Supported
- , Flag "#include" (HasArg (addCmdlineHCInclude))
- (DeprecatedFullText "-#include and INCLUDE pragmas are deprecated: They no longer have any effect")
- , Flag "v" (OptIntSuffix setVerbosity) Supported
+ Flag "n" (NoArg (setDynFlag Opt_DryRun))
+ , Flag "cpp" (NoArg (setExtensionFlag Opt_Cpp))
+ , Flag "F" (NoArg (setDynFlag Opt_Pp))
+ , Flag "#include"
+ (HasArg (\s -> do { addCmdlineHCInclude s
+ ; addWarn "-#include and INCLUDE pragmas are deprecated: They no longer have any effect" }))
+ , Flag "v" (OptIntSuffix setVerbosity)
------- Specific phases --------------------------------------------
-- need to appear before -pgmL to be parsed as LLVM flags.
- , Flag "pgmlo" (HasArg (upd . setPgmlo)) Supported
- , Flag "pgmlc" (HasArg (upd . setPgmlc)) Supported
-
- , Flag "pgmL" (HasArg (upd . setPgmL)) Supported
- , Flag "pgmP" (HasArg (upd . setPgmP)) Supported
- , Flag "pgmF" (HasArg (upd . setPgmF)) Supported
- , Flag "pgmc" (HasArg (upd . setPgmc)) Supported
- , Flag "pgmm" (HasArg (upd . setPgmm)) Supported
- , Flag "pgms" (HasArg (upd . setPgms)) Supported
- , Flag "pgma" (HasArg (upd . setPgma)) Supported
- , Flag "pgml" (HasArg (upd . setPgml)) Supported
- , Flag "pgmdll" (HasArg (upd . setPgmdll)) Supported
- , Flag "pgmwindres" (HasArg (upd . setPgmwindres)) Supported
+ , Flag "pgmlo" (hasArg (\f d -> d{ pgm_lo = (f,[])}))
+ , Flag "pgmlc" (hasArg (\f d -> d{ pgm_lc = (f,[])}))
+ , Flag "pgmL" (hasArg (\f d -> d{ pgm_L = f}))
+ , Flag "pgmP" (hasArg setPgmP)
+ , Flag "pgmF" (hasArg (\f d -> d{ pgm_F = f}))
+ , Flag "pgmc" (hasArg (\f d -> d{ pgm_c = (f,[])}))
+ , Flag "pgmm" (hasArg (\f d -> d{ pgm_m = (f,[])}))
+ , Flag "pgms" (hasArg (\f d -> d{ pgm_s = (f,[])}))
+ , Flag "pgma" (hasArg (\f d -> d{ pgm_a = (f,[])}))
+ , Flag "pgml" (hasArg (\f d -> d{ pgm_l = (f,[])}))
+ , Flag "pgmdll" (hasArg (\f d -> d{ pgm_dll = (f,[])}))
+ , Flag "pgmwindres" (hasArg (\f d -> d{ pgm_windres = f}))
-- need to appear before -optl/-opta to be parsed as LLVM flags.
- , Flag "optlo" (HasArg (upd . addOptlo)) Supported
- , Flag "optlc" (HasArg (upd . addOptlc)) Supported
-
- , Flag "optL" (HasArg (upd . addOptL)) Supported
- , Flag "optP" (HasArg (upd . addOptP)) Supported
- , Flag "optF" (HasArg (upd . addOptF)) Supported
- , Flag "optc" (HasArg (upd . addOptc)) Supported
- , Flag "optm" (HasArg (upd . addOptm)) Supported
- , Flag "opta" (HasArg (upd . addOpta)) Supported
- , Flag "optl" (HasArg (upd . addOptl)) Supported
- , Flag "optwindres" (HasArg (upd . addOptwindres)) Supported
+ , Flag "optlo" (hasArg (\f d -> d{ opt_lo = f : opt_lo d}))
+ , Flag "optlc" (hasArg (\f d -> d{ opt_lc = f : opt_lc d}))
+ , Flag "optL" (hasArg (\f d -> d{ opt_L = f : opt_L d}))
+ , Flag "optP" (hasArg addOptP)
+ , Flag "optF" (hasArg (\f d -> d{ opt_F = f : opt_F d}))
+ , Flag "optc" (hasArg (\f d -> d{ opt_c = f : opt_c d}))
+ , Flag "optm" (hasArg (\f d -> d{ opt_m = f : opt_m d}))
+ , Flag "opta" (hasArg (\f d -> d{ opt_a = f : opt_a d}))
+ , Flag "optl" (hasArg addOptl)
+ , Flag "optwindres" (hasArg (\f d -> d{ opt_windres = f : opt_windres d}))
, Flag "split-objs"
- (NoArg (if can_split then setDynFlag Opt_SplitObjs else return ()))
- Supported
+ (NoArg (if can_split
+ then setDynFlag Opt_SplitObjs
+ else addWarn "ignoring -fsplit-objs"))
-------- ghc -M -----------------------------------------------------
- , Flag "dep-suffix" (HasArg (upd . addDepSuffix)) Supported
- , Flag "optdep-s" (HasArg (upd . addDepSuffix))
- (Deprecated "Use -dep-suffix instead")
- , Flag "dep-makefile" (HasArg (upd . setDepMakefile)) Supported
- , Flag "optdep-f" (HasArg (upd . setDepMakefile))
- (Deprecated "Use -dep-makefile instead")
- , Flag "optdep-w" (NoArg (return ()))
- (Deprecated "-optdep-w doesn't do anything")
- , Flag "include-pkg-deps" (NoArg (upd (setDepIncludePkgDeps True))) Supported
- , Flag "optdep--include-prelude" (NoArg (upd (setDepIncludePkgDeps True)))
- (Deprecated "Use -include-pkg-deps instead")
- , Flag "optdep--include-pkg-deps" (NoArg (upd (setDepIncludePkgDeps True)))
- (Deprecated "Use -include-pkg-deps instead")
- , Flag "exclude-module" (HasArg (upd . addDepExcludeMod)) Supported
- , Flag "optdep--exclude-module" (HasArg (upd . addDepExcludeMod))
- (Deprecated "Use -exclude-module instead")
- , Flag "optdep-x" (HasArg (upd . addDepExcludeMod))
- (Deprecated "Use -exclude-module instead")
+ , Flag "dep-suffix" (hasArg addDepSuffix)
+ , Flag "optdep-s" (hasArgDF addDepSuffix "Use -dep-suffix instead")
+ , Flag "dep-makefile" (hasArg setDepMakefile)
+ , Flag "optdep-f" (hasArgDF setDepMakefile "Use -dep-makefile instead")
+ , Flag "optdep-w" (NoArg (deprecate "doesn't do anything"))
+ , Flag "include-pkg-deps" (noArg (setDepIncludePkgDeps True))
+ , Flag "optdep--include-prelude" (noArgDF (setDepIncludePkgDeps True) "Use -include-pkg-deps instead")
+ , Flag "optdep--include-pkg-deps" (noArgDF (setDepIncludePkgDeps True) "Use -include-pkg-deps instead")
+ , Flag "exclude-module" (hasArg addDepExcludeMod)
+ , Flag "optdep--exclude-module" (hasArgDF addDepExcludeMod "Use -exclude-module instead")
+ , Flag "optdep-x" (hasArgDF addDepExcludeMod "Use -exclude-module instead")
-------- Linking ----------------------------------------------------
- , Flag "no-link" (NoArg (upd $ \d -> d{ ghcLink=NoLink } ))
- Supported
- , Flag "shared" (NoArg (upd $ \d -> d{ ghcLink=LinkDynLib } ))
- Supported
- , Flag "dynload" (HasArg (upd . parseDynLibLoaderMode))
- Supported
- , Flag "dylib-install-name" (HasArg (upd . setDylibInstallName)) Supported
+ , Flag "no-link" (noArg (\d -> d{ ghcLink=NoLink }))
+ , Flag "shared" (noArg (\d -> d{ ghcLink=LinkDynLib }))
+ , Flag "dynload" (hasArg parseDynLibLoaderMode)
+ , Flag "dylib-install-name" (hasArg setDylibInstallName)
------- Libraries ---------------------------------------------------
- , Flag "L" (Prefix addLibraryPath ) Supported
- , Flag "l" (AnySuffix (\s -> do upd (addOptl s))) Supported
+ , Flag "L" (Prefix addLibraryPath)
+ , Flag "l" (AnySuffix (upd . addOptl))
------- Frameworks --------------------------------------------------
-- -framework-path should really be -F ...
- , Flag "framework-path" (HasArg addFrameworkPath ) Supported
- , Flag "framework" (HasArg (upd . addCmdlineFramework)) Supported
+ , Flag "framework-path" (HasArg addFrameworkPath)
+ , Flag "framework" (hasArg addCmdlineFramework)
------- Output Redirection ------------------------------------------
- , Flag "odir" (HasArg (upd . setObjectDir)) Supported
- , Flag "o" (SepArg (upd . setOutputFile . Just)) Supported
- , Flag "ohi" (HasArg (upd . setOutputHi . Just )) Supported
- , Flag "osuf" (HasArg (upd . setObjectSuf)) Supported
- , Flag "hcsuf" (HasArg (upd . setHcSuf)) Supported
- , Flag "hisuf" (HasArg (upd . setHiSuf)) Supported
- , Flag "hidir" (HasArg (upd . setHiDir)) Supported
- , Flag "tmpdir" (HasArg (upd . setTmpDir)) Supported
- , Flag "stubdir" (HasArg (upd . setStubDir)) Supported
- , Flag "outputdir" (HasArg (upd . setOutputDir)) Supported
- , Flag "ddump-file-prefix" (HasArg (upd . setDumpPrefixForce . Just))
- Supported
+ , Flag "odir" (hasArg setObjectDir)
+ , Flag "o" (SepArg (upd . setOutputFile . Just))
+ , Flag "ohi" (hasArg (setOutputHi . Just ))
+ , Flag "osuf" (hasArg setObjectSuf)
+ , Flag "hcsuf" (hasArg setHcSuf)
+ , Flag "hisuf" (hasArg setHiSuf)
+ , Flag "hidir" (hasArg setHiDir)
+ , Flag "tmpdir" (hasArg setTmpDir)
+ , Flag "stubdir" (hasArg setStubDir)
+ , Flag "outputdir" (hasArg setOutputDir)
+ , Flag "ddump-file-prefix" (hasArg (setDumpPrefixForce . Just))
------- Keeping temporary files -------------------------------------
-- These can be singular (think ghc -c) or plural (think ghc --make)
- , Flag "keep-hc-file" (NoArg (setDynFlag Opt_KeepHcFiles)) Supported
- , Flag "keep-hc-files" (NoArg (setDynFlag Opt_KeepHcFiles)) Supported
- , Flag "keep-s-file" (NoArg (setDynFlag Opt_KeepSFiles)) Supported
- , Flag "keep-s-files" (NoArg (setDynFlag Opt_KeepSFiles)) Supported
- , Flag "keep-raw-s-file" (NoArg (setDynFlag Opt_KeepRawSFiles)) Supported
- , Flag "keep-raw-s-files" (NoArg (setDynFlag Opt_KeepRawSFiles)) Supported
- , Flag "keep-llvm-file" (NoArg (setDynFlag Opt_KeepLlvmFiles)) Supported
- , Flag "keep-llvm-files" (NoArg (setDynFlag Opt_KeepLlvmFiles)) Supported
+ , Flag "keep-hc-file" (NoArg (setDynFlag Opt_KeepHcFiles))
+ , Flag "keep-hc-files" (NoArg (setDynFlag Opt_KeepHcFiles))
+ , Flag "keep-s-file" (NoArg (setDynFlag Opt_KeepSFiles))
+ , Flag "keep-s-files" (NoArg (setDynFlag Opt_KeepSFiles))
+ , Flag "keep-raw-s-file" (NoArg (setDynFlag Opt_KeepRawSFiles))
+ , Flag "keep-raw-s-files" (NoArg (setDynFlag Opt_KeepRawSFiles))
+ , Flag "keep-llvm-file" (NoArg (setDynFlag Opt_KeepLlvmFiles))
+ , Flag "keep-llvm-files" (NoArg (setDynFlag Opt_KeepLlvmFiles))
-- This only makes sense as plural
- , Flag "keep-tmp-files" (NoArg (setDynFlag Opt_KeepTmpFiles)) Supported
+ , Flag "keep-tmp-files" (NoArg (setDynFlag Opt_KeepTmpFiles))
------- Miscellaneous ----------------------------------------------
- , Flag "no-auto-link-packages" (NoArg (unSetDynFlag Opt_AutoLinkPackages)) Supported
- , Flag "no-hs-main" (NoArg (setDynFlag Opt_NoHsMain)) Supported
- , Flag "with-rtsopts" (HasArg setRtsOpts) Supported
- , Flag "rtsopts" (NoArg (setRtsOptsEnabled RtsOptsAll)) Supported
- , Flag "rtsopts=all" (NoArg (setRtsOptsEnabled RtsOptsAll)) Supported
- , Flag "rtsopts=some" (NoArg (setRtsOptsEnabled RtsOptsSafeOnly)) Supported
- , Flag "rtsopts=none" (NoArg (setRtsOptsEnabled RtsOptsNone)) Supported
- , Flag "no-rtsopts" (NoArg (setRtsOptsEnabled RtsOptsNone)) Supported
- , Flag "main-is" (SepArg setMainIs ) Supported
- , Flag "haddock" (NoArg (setDynFlag Opt_Haddock)) Supported
- , Flag "haddock-opts" (HasArg (upd . addHaddockOpts)) Supported
- , Flag "hpcdir" (SepArg setOptHpcDir) Supported
+ , Flag "no-auto-link-packages" (NoArg (unSetDynFlag Opt_AutoLinkPackages))
+ , Flag "no-hs-main" (NoArg (setDynFlag Opt_NoHsMain))
+ , Flag "with-rtsopts" (HasArg setRtsOpts)
+ , Flag "rtsopts" (NoArg (setRtsOptsEnabled RtsOptsAll))
+ , Flag "rtsopts=all" (NoArg (setRtsOptsEnabled RtsOptsAll))
+ , Flag "rtsopts=some" (NoArg (setRtsOptsEnabled RtsOptsSafeOnly))
+ , Flag "rtsopts=none" (NoArg (setRtsOptsEnabled RtsOptsNone))
+ , Flag "no-rtsopts" (NoArg (setRtsOptsEnabled RtsOptsNone))
+ , Flag "main-is" (SepArg setMainIs)
+ , Flag "haddock" (NoArg (setDynFlag Opt_Haddock))
+ , Flag "haddock-opts" (hasArg addHaddockOpts)
+ , Flag "hpcdir" (SepArg setOptHpcDir)
------- recompilation checker --------------------------------------
- , Flag "recomp" (NoArg (unSetDynFlag Opt_ForceRecomp))
- (Deprecated "Use -fno-force-recomp instead")
- , Flag "no-recomp" (NoArg (setDynFlag Opt_ForceRecomp))
- (Deprecated "Use -fforce-recomp instead")
+ , Flag "recomp" (NoArg (do { unSetDynFlag Opt_ForceRecomp
+ ; deprecate "Use -fno-force-recomp instead" }))
+ , Flag "no-recomp" (NoArg (do { setDynFlag Opt_ForceRecomp
+ ; deprecate "Use -fforce-recomp instead" }))
------ HsCpp opts ---------------------------------------------------
- , Flag "D" (AnySuffix (upd . addOptP)) Supported
- , Flag "U" (AnySuffix (upd . addOptP)) Supported
+ , Flag "D" (AnySuffix (upd . addOptP))
+ , Flag "U" (AnySuffix (upd . addOptP))
------- Include/Import Paths ----------------------------------------
- , Flag "I" (Prefix addIncludePath) Supported
- , Flag "i" (OptPrefix addImportPath ) Supported
+ , Flag "I" (Prefix addIncludePath)
+ , Flag "i" (OptPrefix addImportPath)
------ Debugging ----------------------------------------------------
- , Flag "dstg-stats" (NoArg (setDynFlag Opt_StgStats)) Supported
+ , Flag "dstg-stats" (NoArg (setDynFlag Opt_StgStats))
, Flag "ddump-cmm" (setDumpFlag Opt_D_dump_cmm)
- Supported
, Flag "ddump-cmmz" (setDumpFlag Opt_D_dump_cmmz)
- Supported
, Flag "ddump-cmmz-pretty" (setDumpFlag Opt_D_dump_cmmz_pretty)
- Supported
, Flag "ddump-cps-cmm" (setDumpFlag Opt_D_dump_cps_cmm)
- Supported
, Flag "ddump-cvt-cmm" (setDumpFlag Opt_D_dump_cvt_cmm)
- Supported
, Flag "ddump-asm" (setDumpFlag Opt_D_dump_asm)
- Supported
, Flag "ddump-asm-native" (setDumpFlag Opt_D_dump_asm_native)
- Supported
, Flag "ddump-asm-liveness" (setDumpFlag Opt_D_dump_asm_liveness)
- Supported
, Flag "ddump-asm-coalesce" (setDumpFlag Opt_D_dump_asm_coalesce)
- Supported
, Flag "ddump-asm-regalloc" (setDumpFlag Opt_D_dump_asm_regalloc)
- Supported
, Flag "ddump-asm-conflicts" (setDumpFlag Opt_D_dump_asm_conflicts)
- Supported
- , Flag "ddump-asm-regalloc-stages"
- (setDumpFlag Opt_D_dump_asm_regalloc_stages)
- Supported
+ , Flag "ddump-asm-regalloc-stages" (setDumpFlag Opt_D_dump_asm_regalloc_stages)
, Flag "ddump-asm-stats" (setDumpFlag Opt_D_dump_asm_stats)
- Supported
, Flag "ddump-asm-expanded" (setDumpFlag Opt_D_dump_asm_expanded)
- Supported
, Flag "ddump-llvm" (NoArg (do { setObjTarget HscLlvm
; setDumpFlag' Opt_D_dump_llvm}))
- Supported
, Flag "ddump-cpranal" (setDumpFlag Opt_D_dump_cpranal)
- Supported
, Flag "ddump-deriv" (setDumpFlag Opt_D_dump_deriv)
- Supported
, Flag "ddump-ds" (setDumpFlag Opt_D_dump_ds)
- Supported
, Flag "ddump-flatC" (setDumpFlag Opt_D_dump_flatC)
- Supported
, Flag "ddump-foreign" (setDumpFlag Opt_D_dump_foreign)
- Supported
, Flag "ddump-inlinings" (setDumpFlag Opt_D_dump_inlinings)
- Supported
, Flag "ddump-rule-firings" (setDumpFlag Opt_D_dump_rule_firings)
- Supported
+ , Flag "ddump-rule-rewrites" (setDumpFlag Opt_D_dump_rule_rewrites)
, Flag "ddump-occur-anal" (setDumpFlag Opt_D_dump_occur_anal)
- Supported
, Flag "ddump-parsed" (setDumpFlag Opt_D_dump_parsed)
- Supported
, Flag "ddump-rn" (setDumpFlag Opt_D_dump_rn)
- Supported
, Flag "ddump-simpl" (setDumpFlag Opt_D_dump_simpl)
- Supported
, Flag "ddump-simpl-iterations" (setDumpFlag Opt_D_dump_simpl_iterations)
- Supported
, Flag "ddump-simpl-phases" (OptPrefix setDumpSimplPhases)
- Supported
, Flag "ddump-spec" (setDumpFlag Opt_D_dump_spec)
- Supported
, Flag "ddump-prep" (setDumpFlag Opt_D_dump_prep)
- Supported
, Flag "ddump-stg" (setDumpFlag Opt_D_dump_stg)
- Supported
, Flag "ddump-stranal" (setDumpFlag Opt_D_dump_stranal)
- Supported
, Flag "ddump-tc" (setDumpFlag Opt_D_dump_tc)
- Supported
, Flag "ddump-types" (setDumpFlag Opt_D_dump_types)
- Supported
, Flag "ddump-rules" (setDumpFlag Opt_D_dump_rules)
- Supported
, Flag "ddump-cse" (setDumpFlag Opt_D_dump_cse)
- Supported
, Flag "ddump-worker-wrapper" (setDumpFlag Opt_D_dump_worker_wrapper)
- Supported
, Flag "ddump-rn-trace" (setDumpFlag Opt_D_dump_rn_trace)
- Supported
, Flag "ddump-if-trace" (setDumpFlag Opt_D_dump_if_trace)
- Supported
, Flag "ddump-tc-trace" (setDumpFlag Opt_D_dump_tc_trace)
- Supported
, Flag "ddump-splices" (setDumpFlag Opt_D_dump_splices)
- Supported
, Flag "ddump-rn-stats" (setDumpFlag Opt_D_dump_rn_stats)
- Supported
, Flag "ddump-opt-cmm" (setDumpFlag Opt_D_dump_opt_cmm)
- Supported
, Flag "ddump-simpl-stats" (setDumpFlag Opt_D_dump_simpl_stats)
- Supported
, Flag "ddump-bcos" (setDumpFlag Opt_D_dump_BCOs)
- Supported
, Flag "dsource-stats" (setDumpFlag Opt_D_source_stats)
- Supported
, Flag "dverbose-core2core" (NoArg (do { setVerbosity (Just 2)
; setVerboseCore2Core }))
- Supported
, Flag "dverbose-stg2stg" (setDumpFlag Opt_D_verbose_stg2stg)
- Supported
, Flag "ddump-hi" (setDumpFlag Opt_D_dump_hi)
- Supported
, Flag "ddump-minimal-imports" (setDumpFlag Opt_D_dump_minimal_imports)
- Supported
, Flag "ddump-vect" (setDumpFlag Opt_D_dump_vect)
- Supported
, Flag "ddump-hpc" (setDumpFlag Opt_D_dump_hpc)
- Supported
, Flag "ddump-mod-cycles" (setDumpFlag Opt_D_dump_mod_cycles)
- Supported
, Flag "ddump-view-pattern-commoning" (setDumpFlag Opt_D_dump_view_pattern_commoning)
- Supported
, Flag "ddump-to-file" (setDumpFlag Opt_DumpToFile)
- Supported
, Flag "ddump-hi-diffs" (setDumpFlag Opt_D_dump_hi_diffs)
- Supported
, Flag "ddump-rtti" (setDumpFlag Opt_D_dump_rtti)
- Supported
-
, Flag "dcore-lint" (NoArg (setDynFlag Opt_DoCoreLinting))
- Supported
, Flag "dstg-lint" (NoArg (setDynFlag Opt_DoStgLinting))
- Supported
, Flag "dcmm-lint" (NoArg (setDynFlag Opt_DoCmmLinting))
- Supported
, Flag "dasm-lint" (NoArg (setDynFlag Opt_DoAsmLinting))
- Supported
- , Flag "dshow-passes"
- (NoArg (do forceRecompile
- setVerbosity (Just 2)))
- Supported
+ , Flag "dshow-passes" (NoArg (do forceRecompile
+ setVerbosity (Just 2)))
, Flag "dfaststring-stats" (NoArg (setDynFlag Opt_D_faststring_stats))
- Supported
------ Machine dependant (-m<blah>) stuff ---------------------------
- , Flag "monly-2-regs" (NoArg (upd (\s -> s{stolen_x86_regs = 2}) ))
- Supported
- , Flag "monly-3-regs" (NoArg (upd (\s -> s{stolen_x86_regs = 3}) ))
- Supported
- , Flag "monly-4-regs" (NoArg (upd (\s -> s{stolen_x86_regs = 4}) ))
- Supported
-
- , Flag "msse2" (NoArg (setDynFlag Opt_SSE2))
- Supported
+ , Flag "monly-2-regs" (noArg (\s -> s{stolen_x86_regs = 2}))
+ , Flag "monly-3-regs" (noArg (\s -> s{stolen_x86_regs = 3}))
+ , Flag "monly-4-regs" (noArg (\s -> s{stolen_x86_regs = 4}))
+ , Flag "msse2" (NoArg (setDynFlag Opt_SSE2))
------ Warning opts -------------------------------------------------
, Flag "W" (NoArg (mapM_ setDynFlag minusWOpts))
- Supported
, Flag "Werror" (NoArg (setDynFlag Opt_WarnIsError))
- Supported
, Flag "Wwarn" (NoArg (unSetDynFlag Opt_WarnIsError))
- Supported
, Flag "Wall" (NoArg (mapM_ setDynFlag minusWallOpts))
- Supported
- , Flag "Wnot" (NoArg (mapM_ unSetDynFlag minusWallOpts))
- (Deprecated "Use -w instead")
+ , Flag "Wnot" (NoArg (do { mapM_ unSetDynFlag minusWallOpts
+ ; deprecate "Use -w instead" }))
, Flag "w" (NoArg (mapM_ unSetDynFlag minuswRemovesOpts))
- Supported
------ Optimisation flags ------------------------------------------
- , Flag "O" (NoArg (upd (setOptLevel 1))) Supported
- , Flag "Onot" (NoArg (upd (setOptLevel 0)))
- (Deprecated "Use -O0 instead")
- , Flag "Odph" (NoArg (upd setDPHOpt)) Supported
+ , Flag "O" (noArg (setOptLevel 1))
+ , Flag "Onot" (noArgDF (setOptLevel 0) "Use -O0 instead")
+ , Flag "Odph" (noArg setDPHOpt)
, Flag "O" (OptIntSuffix (\mb_n -> upd (setOptLevel (mb_n `orElse` 1))))
- Supported
-- If the number is missing, use 1
- , Flag "fsimplifier-phases"
- (IntSuffix (\n -> upd (\dfs -> dfs{ simplPhases = n })))
- Supported
- , Flag "fmax-simplifier-iterations"
- (IntSuffix (\n -> upd (\dfs -> dfs{ maxSimplIterations = n })))
- Supported
-
- , Flag "fspec-constr-threshold"
- (IntSuffix (\n -> upd (\dfs -> dfs{ specConstrThreshold = Just n })))
- Supported
- , Flag "fno-spec-constr-threshold"
- (NoArg (upd (\dfs -> dfs{ specConstrThreshold = Nothing })))
- Supported
- , Flag "fspec-constr-count"
- (IntSuffix (\n -> upd (\dfs -> dfs{ specConstrCount = Just n })))
- Supported
- , Flag "fno-spec-constr-count"
- (NoArg (upd (\dfs -> dfs{ specConstrCount = Nothing })))
- Supported
- , Flag "fliberate-case-threshold"
- (IntSuffix (\n -> upd (\dfs -> dfs{ liberateCaseThreshold = Just n })))
- Supported
- , Flag "fno-liberate-case-threshold"
- (NoArg (upd (\dfs -> dfs{ liberateCaseThreshold = Nothing })))
- Supported
-
- , Flag "frule-check"
- (SepArg (\s -> upd (\dfs -> dfs{ ruleCheck = Just s })))
- Supported
- , Flag "fcontext-stack"
- (IntSuffix $ \n -> upd $ \dfs -> dfs{ ctxtStkDepth = n })
- Supported
-
- , Flag "fstrictness-before"
- (IntSuffix (\n -> upd (\dfs -> dfs{ strictnessBefore = n : strictnessBefore dfs })))
- Supported
+ , Flag "fsimplifier-phases" (intSuffix (\n d -> d{ simplPhases = n }))
+ , Flag "fmax-simplifier-iterations" (intSuffix (\n d -> d{ maxSimplIterations = n }))
+ , Flag "fspec-constr-threshold" (intSuffix (\n d -> d{ specConstrThreshold = Just n }))
+ , Flag "fno-spec-constr-threshold" (noArg (\d -> d{ specConstrThreshold = Nothing }))
+ , Flag "fspec-constr-count" (intSuffix (\n d -> d{ specConstrCount = Just n }))
+ , Flag "fno-spec-constr-count" (noArg (\d -> d{ specConstrCount = Nothing }))
+ , Flag "fliberate-case-threshold" (intSuffix (\n d -> d{ liberateCaseThreshold = Just n }))
+ , Flag "fno-liberate-case-threshold" (noArg (\d -> d{ liberateCaseThreshold = Nothing }))
+ , Flag "frule-check" (SepArg (\s -> upd (\d -> d{ ruleCheck = Just s })))
+ , Flag "fcontext-stack" (intSuffix (\n d -> d{ ctxtStkDepth = n }))
+ , Flag "fstrictness-before" (intSuffix (\n d -> d{ strictnessBefore = n : strictnessBefore d }))
+ , Flag "ffloat-lam-args" (intSuffix (\n d -> d{ floatLamArgs = Just n }))
+ , Flag "ffloat-all-lams" (intSuffix (\n d -> d{ floatLamArgs = Nothing }))
------ Profiling ----------------------------------------------------
-- XXX Should the -f* flags be deprecated?
-- They don't seem to be documented
- , Flag "fauto-sccs-on-all-toplevs"
- (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs))
- Supported
- , Flag "auto-all"
- (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs))
- Supported
- , Flag "no-auto-all"
- (NoArg (unSetDynFlag Opt_AutoSccsOnAllToplevs))
- Supported
- , Flag "fauto-sccs-on-exported-toplevs"
- (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs))
- Supported
- , Flag "auto"
- (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs))
- Supported
- , Flag "no-auto"
- (NoArg (unSetDynFlag Opt_AutoSccsOnExportedToplevs))
- Supported
- , Flag "fauto-sccs-on-individual-cafs"
- (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs))
- Supported
- , Flag "caf-all"
- (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs))
- Supported
- , Flag "no-caf-all"
- (NoArg (unSetDynFlag Opt_AutoSccsOnIndividualCafs))
- Supported
+ , Flag "fauto-sccs-on-all-toplevs" (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs))
+ , Flag "auto-all" (NoArg (setDynFlag Opt_AutoSccsOnAllToplevs))
+ , Flag "no-auto-all" (NoArg (unSetDynFlag Opt_AutoSccsOnAllToplevs))
+ , Flag "fauto-sccs-on-exported-toplevs" (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs))
+ , Flag "auto" (NoArg (setDynFlag Opt_AutoSccsOnExportedToplevs))
+ , Flag "no-auto" (NoArg (unSetDynFlag Opt_AutoSccsOnExportedToplevs))
+ , Flag "fauto-sccs-on-individual-cafs" (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs))
+ , Flag "caf-all" (NoArg (setDynFlag Opt_AutoSccsOnIndividualCafs))
+ , Flag "no-caf-all" (NoArg (unSetDynFlag Opt_AutoSccsOnIndividualCafs))
------ DPH flags ----------------------------------------------------
- , Flag "fdph-seq"
- (NoArg (setDPHBackend DPHSeq))
- Supported
- , Flag "fdph-par"
- (NoArg (setDPHBackend DPHPar))
- Supported
- , Flag "fdph-this"
- (NoArg (setDPHBackend DPHThis))
- Supported
+ , Flag "fdph-seq" (NoArg (setDPHBackend DPHSeq))
+ , Flag "fdph-par" (NoArg (setDPHBackend DPHPar))
+ , Flag "fdph-this" (NoArg (setDPHBackend DPHThis))
+ , Flag "fdph-none" (NoArg (setDPHBackend DPHNone))
------ Compiler flags -----------------------------------------------
- , Flag "fasm" (NoArg (setObjTarget HscAsm)) Supported
- , Flag "fvia-c" (NoArg (setObjTarget HscC))
- (Deprecated "The -fvia-c flag will be removed in a future GHC release")
- , Flag "fvia-C" (NoArg (setObjTarget HscC))
- (Deprecated "The -fvia-C flag will be removed in a future GHC release")
- , Flag "fllvm" (NoArg (setObjTarget HscLlvm)) Supported
+ , Flag "fasm" (NoArg (setObjTarget HscAsm))
+ , Flag "fvia-c" (NoArg (setObjTarget HscC >>
+ (addWarn "The -fvia-c flag will be removed in a future GHC release")))
+ , Flag "fvia-C" (NoArg (setObjTarget HscC >>
+ (addWarn "The -fvia-C flag will be removed in a future GHC release")))
+ , Flag "fllvm" (NoArg (setObjTarget HscLlvm))
, Flag "fno-code" (NoArg (do upd $ \d -> d{ ghcLink=NoLink }
setTarget HscNothing))
- Supported
- , Flag "fbyte-code" (NoArg (setTarget HscInterpreted)) Supported
- , Flag "fobject-code" (NoArg (setTarget defaultHscTarget)) Supported
-
- , Flag "fglasgow-exts" (NoArg enableGlasgowExts)
- Supported
- , Flag "fno-glasgow-exts" (NoArg disableGlasgowExts)
- Supported
+ , Flag "fbyte-code" (NoArg (setTarget HscInterpreted))
+ , Flag "fobject-code" (NoArg (setTarget defaultHscTarget))
+ , Flag "fglasgow-exts" (NoArg (enableGlasgowExts >> deprecate "Use individual extensions instead"))
+ , Flag "fno-glasgow-exts" (NoArg (disableGlasgowExts >> deprecate "Use individual extensions instead"))
]
- ++ map (mkFlag True "f" setDynFlag ) fFlags
- ++ map (mkFlag False "fno-" unSetDynFlag) fFlags
- ++ map (mkFlag True "f" setExtensionFlag ) fLangFlags
- ++ map (mkFlag False "fno-" unSetExtensionFlag) fLangFlags
- ++ map (mkFlag True "X" setExtensionFlag ) xFlags
- ++ map (mkFlag False "XNo" unSetExtensionFlag) xFlags
- ++ map (mkFlag True "X" setLanguage ) languageFlags
-
-package_flags :: [Flag DynP]
+ ++ map (mkFlag turnOn "f" setDynFlag ) fFlags
+ ++ map (mkFlag turnOff "fno-" unSetDynFlag) fFlags
+ ++ map (mkFlag turnOn "f" setExtensionFlag ) fLangFlags
+ ++ map (mkFlag turnOff "fno-" unSetExtensionFlag) fLangFlags
+ ++ map (mkFlag turnOn "X" setExtensionFlag ) xFlags
+ ++ map (mkFlag turnOff "XNo" unSetExtensionFlag) xFlags
+ ++ map (mkFlag turnOn "X" setLanguage) languageFlags
+
+package_flags :: [Flag (CmdLineP DynFlags)]
package_flags = [
------- Packages ----------------------------------------------------
- Flag "package-conf" (HasArg extraPkgConf_) Supported
+ Flag "package-conf" (HasArg extraPkgConf_)
, Flag "no-user-package-conf" (NoArg (unSetDynFlag Opt_ReadUserPackageConf))
- Supported
- , Flag "package-name" (HasArg (upd . setPackageName)) Supported
- , Flag "package-id" (HasArg exposePackageId) Supported
- , Flag "package" (HasArg exposePackage) Supported
- , Flag "hide-package" (HasArg hidePackage) Supported
- , Flag "hide-all-packages" (NoArg (setDynFlag Opt_HideAllPackages))
- Supported
- , Flag "ignore-package" (HasArg ignorePackage)
- Supported
- , Flag "syslib" (HasArg exposePackage)
- (Deprecated "Use -package instead")
+ , Flag "package-name" (hasArg setPackageName)
+ , Flag "package-id" (HasArg exposePackageId)
+ , Flag "package" (HasArg exposePackage)
+ , Flag "hide-package" (HasArg hidePackage)
+ , Flag "hide-all-packages" (NoArg (setDynFlag Opt_HideAllPackages))
+ , Flag "ignore-package" (HasArg ignorePackage)
+ , Flag "syslib" (HasArg (\s -> do { exposePackage s
+ ; deprecate "Use -package instead" }))
]
-mkFlag :: Bool -- ^ True <=> it should be turned on
+type TurnOnFlag = Bool -- True <=> we are turning the flag on
+ -- False <=> we are turning the flag off
+turnOn :: TurnOnFlag; turnOn = True
+turnOff :: TurnOnFlag; turnOff = False
+
+type FlagSpec flag
+ = ( String -- Flag in string form
+ , flag -- Flag in internal form
+ , TurnOnFlag -> DynP ()) -- Extra action to run when the flag is found
+ -- Typically, emit a warning or error
+
+mkFlag :: TurnOnFlag -- ^ True <=> it should be turned on
-> String -- ^ The flag prefix
- -> (flag -> DynP ())
- -> (String, flag, Bool -> Deprecated)
- -> Flag DynP
-mkFlag turnOn flagPrefix f (name, flag, deprecated)
- = Flag (flagPrefix ++ name) (NoArg (f flag)) (deprecated turnOn)
+ -> (flag -> DynP ()) -- ^ What to do when the flag is found
+ -> FlagSpec flag -- ^ Specification of this particular flag
+ -> Flag (CmdLineP DynFlags)
+mkFlag turn_on flagPrefix f (name, flag, extra_action)
+ = Flag (flagPrefix ++ name) (NoArg (f flag >> extra_action turn_on))
-deprecatedForExtension :: String -> Bool -> Deprecated
+deprecatedForExtension :: String -> TurnOnFlag -> DynP ()
deprecatedForExtension lang turn_on
- = Deprecated ("use -X" ++ flag ++ " or pragma {-# LANGUAGE " ++ flag ++ " #-} instead")
+ = deprecate ("use -X" ++ flag ++ " or pragma {-# LANGUAGE " ++ flag ++ " #-} instead")
where
flag | turn_on = lang
| otherwise = "No"++lang
-useInstead :: String -> Bool -> Deprecated
+useInstead :: String -> TurnOnFlag -> DynP ()
useInstead flag turn_on
- = Deprecated ("Use -f" ++ no ++ flag ++ " instead")
+ = deprecate ("Use -f" ++ no ++ flag ++ " instead")
where
no = if turn_on then "" else "no-"
+nop :: TurnOnFlag -> DynP ()
+nop _ = return ()
+
-- | These @-f\<blah\>@ flags can all be reversed with @-fno-\<blah\>@
-fFlags :: [(String, DynFlag, Bool -> Deprecated)]
+fFlags :: [FlagSpec DynFlag]
fFlags = [
- ( "warn-dodgy-foreign-imports", Opt_WarnDodgyForeignImports, const Supported ),
- ( "warn-dodgy-exports", Opt_WarnDodgyExports, const Supported ),
- ( "warn-dodgy-imports", Opt_WarnDodgyImports, const Supported ),
- ( "warn-duplicate-exports", Opt_WarnDuplicateExports, const Supported ),
- ( "warn-hi-shadowing", Opt_WarnHiShadows, const Supported ),
- ( "warn-implicit-prelude", Opt_WarnImplicitPrelude, const Supported ),
- ( "warn-incomplete-patterns", Opt_WarnIncompletePatterns, const Supported ),
- ( "warn-incomplete-record-updates", Opt_WarnIncompletePatternsRecUpd, const Supported ),
- ( "warn-missing-fields", Opt_WarnMissingFields, const Supported ),
- ( "warn-missing-import-lists", Opt_WarnMissingImportList, const Supported ),
- ( "warn-missing-methods", Opt_WarnMissingMethods, const Supported ),
- ( "warn-missing-signatures", Opt_WarnMissingSigs, const Supported ),
- ( "warn-name-shadowing", Opt_WarnNameShadowing, const Supported ),
- ( "warn-overlapping-patterns", Opt_WarnOverlappingPatterns, const Supported ),
- ( "warn-simple-patterns", Opt_WarnSimplePatterns, const Supported ),
- ( "warn-type-defaults", Opt_WarnTypeDefaults, const Supported ),
- ( "warn-monomorphism-restriction", Opt_WarnMonomorphism, const Supported ),
- ( "warn-unused-binds", Opt_WarnUnusedBinds, const Supported ),
- ( "warn-unused-imports", Opt_WarnUnusedImports, const Supported ),
- ( "warn-unused-matches", Opt_WarnUnusedMatches, const Supported ),
- ( "warn-warnings-deprecations", Opt_WarnWarningsDeprecations, const Supported ),
- ( "warn-deprecations", Opt_WarnWarningsDeprecations, const Supported ),
- ( "warn-deprecated-flags", Opt_WarnDeprecatedFlags, const Supported ),
- ( "warn-orphans", Opt_WarnOrphans, const Supported ),
- ( "warn-tabs", Opt_WarnTabs, const Supported ),
- ( "warn-unrecognised-pragmas", Opt_WarnUnrecognisedPragmas, const Supported ),
- ( "warn-lazy-unlifted-bindings", Opt_WarnLazyUnliftedBindings,
- const $ Deprecated "lazy unlifted bindings will be an error in GHC 6.14, and this flag will no longer exist"),
- ( "warn-unused-do-bind", Opt_WarnUnusedDoBind, const Supported ),
- ( "warn-wrong-do-bind", Opt_WarnWrongDoBind, const Supported ),
- ( "warn-alternative-layout-rule-transitional", Opt_WarnAlternativeLayoutRuleTransitional, const Supported ),
- ( "print-explicit-foralls", Opt_PrintExplicitForalls, const Supported ),
- ( "strictness", Opt_Strictness, const Supported ),
- ( "specialise", Opt_Specialise, const Supported ),
- ( "float-in", Opt_FloatIn, const Supported ),
- ( "static-argument-transformation", Opt_StaticArgumentTransformation, const Supported ),
- ( "full-laziness", Opt_FullLaziness, const Supported ),
- ( "liberate-case", Opt_LiberateCase, const Supported ),
- ( "spec-constr", Opt_SpecConstr, const Supported ),
- ( "cse", Opt_CSE, const Supported ),
- ( "ignore-interface-pragmas", Opt_IgnoreInterfacePragmas, const Supported ),
- ( "omit-interface-pragmas", Opt_OmitInterfacePragmas, const Supported ),
- ( "expose-all-unfoldings", Opt_ExposeAllUnfoldings, const Supported ),
- ( "do-lambda-eta-expansion", Opt_DoLambdaEtaExpansion, const Supported ),
- ( "ignore-asserts", Opt_IgnoreAsserts, const Supported ),
- ( "do-eta-reduction", Opt_DoEtaReduction, const Supported ),
- ( "case-merge", Opt_CaseMerge, const Supported ),
- ( "unbox-strict-fields", Opt_UnboxStrictFields, const Supported ),
- ( "method-sharing", Opt_MethodSharing, const Supported ),
- ( "dicts-cheap", Opt_DictsCheap, const Supported ),
- ( "excess-precision", Opt_ExcessPrecision, const Supported ),
- ( "eager-blackholing", Opt_EagerBlackHoling, const Supported ),
- ( "asm-mangling", Opt_DoAsmMangling, const Supported ),
- ( "print-bind-result", Opt_PrintBindResult, const Supported ),
- ( "force-recomp", Opt_ForceRecomp, const Supported ),
- ( "hpc-no-auto", Opt_Hpc_No_Auto, const Supported ),
+ ( "warn-dodgy-foreign-imports", Opt_WarnDodgyForeignImports, nop ),
+ ( "warn-dodgy-exports", Opt_WarnDodgyExports, nop ),
+ ( "warn-dodgy-imports", Opt_WarnDodgyImports, nop ),
+ ( "warn-duplicate-exports", Opt_WarnDuplicateExports, nop ),
+ ( "warn-hi-shadowing", Opt_WarnHiShadows, nop ),
+ ( "warn-implicit-prelude", Opt_WarnImplicitPrelude, nop ),
+ ( "warn-incomplete-patterns", Opt_WarnIncompletePatterns, nop ),
+ ( "warn-incomplete-uni-patterns", Opt_WarnIncompleteUniPatterns, nop ),
+ ( "warn-incomplete-record-updates", Opt_WarnIncompletePatternsRecUpd, nop ),
+ ( "warn-missing-fields", Opt_WarnMissingFields, nop ),
+ ( "warn-missing-import-lists", Opt_WarnMissingImportList, nop ),
+ ( "warn-missing-methods", Opt_WarnMissingMethods, nop ),
+ ( "warn-missing-signatures", Opt_WarnMissingSigs, nop ),
+ ( "warn-missing-local-sigs", Opt_WarnMissingLocalSigs, nop ),
+ ( "warn-name-shadowing", Opt_WarnNameShadowing, nop ),
+ ( "warn-overlapping-patterns", Opt_WarnOverlappingPatterns, nop ),
+ ( "warn-type-defaults", Opt_WarnTypeDefaults, nop ),
+ ( "warn-monomorphism-restriction", Opt_WarnMonomorphism, nop ),
+ ( "warn-unused-binds", Opt_WarnUnusedBinds, nop ),
+ ( "warn-unused-imports", Opt_WarnUnusedImports, nop ),
+ ( "warn-unused-matches", Opt_WarnUnusedMatches, nop ),
+ ( "warn-warnings-deprecations", Opt_WarnWarningsDeprecations, nop ),
+ ( "warn-deprecations", Opt_WarnWarningsDeprecations, nop ),
+ ( "warn-deprecated-flags", Opt_WarnDeprecatedFlags, nop ),
+ ( "warn-orphans", Opt_WarnOrphans, nop ),
+ ( "warn-identities", Opt_WarnIdentities, nop ),
+ ( "warn-auto-orphans", Opt_WarnAutoOrphans, nop ),
+ ( "warn-tabs", Opt_WarnTabs, nop ),
+ ( "warn-unrecognised-pragmas", Opt_WarnUnrecognisedPragmas, nop ),
+ ( "warn-lazy-unlifted-bindings", Opt_WarnLazyUnliftedBindings, nop),
+ ( "warn-unused-do-bind", Opt_WarnUnusedDoBind, nop ),
+ ( "warn-wrong-do-bind", Opt_WarnWrongDoBind, nop ),
+ ( "warn-alternative-layout-rule-transitional", Opt_WarnAlternativeLayoutRuleTransitional, nop ),
+ ( "print-explicit-foralls", Opt_PrintExplicitForalls, nop ),
+ ( "strictness", Opt_Strictness, nop ),
+ ( "specialise", Opt_Specialise, nop ),
+ ( "float-in", Opt_FloatIn, nop ),
+ ( "static-argument-transformation", Opt_StaticArgumentTransformation, nop ),
+ ( "full-laziness", Opt_FullLaziness, nop ),
+ ( "liberate-case", Opt_LiberateCase, nop ),
+ ( "spec-constr", Opt_SpecConstr, nop ),
+ ( "cse", Opt_CSE, nop ),
+ ( "ignore-interface-pragmas", Opt_IgnoreInterfacePragmas, nop ),
+ ( "omit-interface-pragmas", Opt_OmitInterfacePragmas, nop ),
+ ( "expose-all-unfoldings", Opt_ExposeAllUnfoldings, nop ),
+ ( "do-lambda-eta-expansion", Opt_DoLambdaEtaExpansion, nop ),
+ ( "ignore-asserts", Opt_IgnoreAsserts, nop ),
+ ( "do-eta-reduction", Opt_DoEtaReduction, nop ),
+ ( "case-merge", Opt_CaseMerge, nop ),
+ ( "unbox-strict-fields", Opt_UnboxStrictFields, nop ),
+ ( "method-sharing", Opt_MethodSharing,
+ \_ -> deprecate "doesn't do anything any more"),
+ -- Remove altogether in GHC 7.2
+ ( "dicts-cheap", Opt_DictsCheap, nop ),
+ ( "excess-precision", Opt_ExcessPrecision, nop ),
+ ( "eager-blackholing", Opt_EagerBlackHoling, nop ),
+ ( "asm-mangling", Opt_DoAsmMangling, nop ),
+ ( "print-bind-result", Opt_PrintBindResult, nop ),
+ ( "force-recomp", Opt_ForceRecomp, nop ),
+ ( "hpc-no-auto", Opt_Hpc_No_Auto, nop ),
( "rewrite-rules", Opt_EnableRewriteRules, useInstead "enable-rewrite-rules" ),
- ( "enable-rewrite-rules", Opt_EnableRewriteRules, const Supported ),
- ( "break-on-exception", Opt_BreakOnException, const Supported ),
- ( "break-on-error", Opt_BreakOnError, const Supported ),
- ( "print-evld-with-show", Opt_PrintEvldWithShow, const Supported ),
- ( "print-bind-contents", Opt_PrintBindContents, const Supported ),
- ( "run-cps", Opt_RunCPS, const Supported ),
- ( "run-cpsz", Opt_RunCPSZ, const Supported ),
- ( "new-codegen", Opt_TryNewCodeGen, const Supported ),
- ( "convert-to-zipper-and-back", Opt_ConvertToZipCfgAndBack, const Supported ),
- ( "vectorise", Opt_Vectorise, const Supported ),
- ( "regs-graph", Opt_RegsGraph, const Supported ),
- ( "regs-iterative", Opt_RegsIterative, const Supported ),
- ( "gen-manifest", Opt_GenManifest, const Supported ),
- ( "embed-manifest", Opt_EmbedManifest, const Supported ),
- ( "ext-core", Opt_EmitExternalCore, const Supported ),
- ( "shared-implib", Opt_SharedImplib, const Supported ),
- ( "building-cabal-package", Opt_BuildingCabalPackage, const Supported ),
- ( "implicit-import-qualified", Opt_ImplicitImportQualified, const Supported )
+ ( "enable-rewrite-rules", Opt_EnableRewriteRules, nop ),
+ ( "break-on-exception", Opt_BreakOnException, nop ),
+ ( "break-on-error", Opt_BreakOnError, nop ),
+ ( "print-evld-with-show", Opt_PrintEvldWithShow, nop ),
+ ( "print-bind-contents", Opt_PrintBindContents, nop ),
+ ( "run-cps", Opt_RunCPS, nop ),
+ ( "run-cpsz", Opt_RunCPSZ, nop ),
+ ( "new-codegen", Opt_TryNewCodeGen, nop ),
+ ( "convert-to-zipper-and-back", Opt_ConvertToZipCfgAndBack, nop ),
+ ( "vectorise", Opt_Vectorise, nop ),
+ ( "regs-graph", Opt_RegsGraph, nop ),
+ ( "regs-iterative", Opt_RegsIterative, nop ),
+ ( "gen-manifest", Opt_GenManifest, nop ),
+ ( "embed-manifest", Opt_EmbedManifest, nop ),
+ ( "ext-core", Opt_EmitExternalCore, nop ),
+ ( "shared-implib", Opt_SharedImplib, nop ),
+ ( "ghci-sandbox", Opt_GhciSandbox, nop ),
+ ( "helpful-errors", Opt_HelpfulErrors, nop ),
+ ( "building-cabal-package", Opt_BuildingCabalPackage, nop ),
+ ( "implicit-import-qualified", Opt_ImplicitImportQualified, nop )
]
-- | These @-f\<blah\>@ flags can all be reversed with @-fno-\<blah\>@
-fLangFlags :: [(String, ExtensionFlag, Bool -> Deprecated)]
+fLangFlags :: [FlagSpec ExtensionFlag]
fLangFlags = [
( "th", Opt_TemplateHaskell,
- deprecatedForExtension "TemplateHaskell" ),
+ deprecatedForExtension "TemplateHaskell" >> checkTemplateHaskellOk ),
( "fi", Opt_ForeignFunctionInterface,
deprecatedForExtension "ForeignFunctionInterface" ),
( "ffi", Opt_ForeignFunctionInterface,
deprecatedForExtension "ImplicitParams" ),
( "scoped-type-variables", Opt_ScopedTypeVariables,
deprecatedForExtension "ScopedTypeVariables" ),
- ( "parr", Opt_PArr,
- deprecatedForExtension "PArr" ),
+ ( "parr", Opt_ParallelArrays,
+ deprecatedForExtension "ParallelArrays" ),
+ ( "PArr", Opt_ParallelArrays,
+ deprecatedForExtension "ParallelArrays" ),
( "allow-overlapping-instances", Opt_OverlappingInstances,
deprecatedForExtension "OverlappingInstances" ),
( "allow-undecidable-instances", Opt_UndecidableInstances,
supportedLanguagesAndExtensions = supportedLanguages ++ supportedExtensions
-- | These -X<blah> flags cannot be reversed with -XNo<blah>
-languageFlags :: [(String, Language, Bool -> Deprecated)]
+languageFlags :: [FlagSpec Language]
languageFlags = [
- ( "Haskell98", Haskell98, const Supported ),
- ( "Haskell2010", Haskell2010, const Supported )
+ ( "Haskell98", Haskell98, nop ),
+ ( "Haskell2010", Haskell2010, nop )
]
-- | These -X<blah> flags can all be reversed with -XNo<blah>
-xFlags :: [(String, ExtensionFlag, Bool -> Deprecated)]
+xFlags :: [FlagSpec ExtensionFlag]
xFlags = [
- ( "CPP", Opt_Cpp, const Supported ),
- ( "PostfixOperators", Opt_PostfixOperators, const Supported ),
- ( "TupleSections", Opt_TupleSections, const Supported ),
- ( "PatternGuards", Opt_PatternGuards, const Supported ),
- ( "UnicodeSyntax", Opt_UnicodeSyntax, const Supported ),
- ( "MagicHash", Opt_MagicHash, const Supported ),
- ( "PolymorphicComponents", Opt_PolymorphicComponents, const Supported ),
- ( "ExistentialQuantification", Opt_ExistentialQuantification, const Supported ),
- ( "KindSignatures", Opt_KindSignatures, const Supported ),
- ( "EmptyDataDecls", Opt_EmptyDataDecls, const Supported ),
- ( "ParallelListComp", Opt_ParallelListComp, const Supported ),
- ( "TransformListComp", Opt_TransformListComp, const Supported ),
- ( "ForeignFunctionInterface", Opt_ForeignFunctionInterface, const Supported ),
- ( "UnliftedFFITypes", Opt_UnliftedFFITypes, const Supported ),
- ( "GHCForeignImportPrim", Opt_GHCForeignImportPrim, const Supported ),
- ( "LiberalTypeSynonyms", Opt_LiberalTypeSynonyms, const Supported ),
- ( "Rank2Types", Opt_Rank2Types, const Supported ),
- ( "RankNTypes", Opt_RankNTypes, const Supported ),
- ( "ImpredicativeTypes", Opt_ImpredicativeTypes,
- const $ Deprecated "impredicative polymorphism will be simplified or removed in GHC 6.14" ),
- ( "TypeOperators", Opt_TypeOperators, const Supported ),
+ ( "CPP", Opt_Cpp, nop ),
+ ( "PostfixOperators", Opt_PostfixOperators, nop ),
+ ( "TupleSections", Opt_TupleSections, nop ),
+ ( "PatternGuards", Opt_PatternGuards, nop ),
+ ( "UnicodeSyntax", Opt_UnicodeSyntax, nop ),
+ ( "MagicHash", Opt_MagicHash, nop ),
+ ( "PolymorphicComponents", Opt_PolymorphicComponents, nop ),
+ ( "ExistentialQuantification", Opt_ExistentialQuantification, nop ),
+ ( "KindSignatures", Opt_KindSignatures, nop ),
+ ( "EmptyDataDecls", Opt_EmptyDataDecls, nop ),
+ ( "ParallelListComp", Opt_ParallelListComp, nop ),
+ ( "TransformListComp", Opt_TransformListComp, nop ),
+ ( "ForeignFunctionInterface", Opt_ForeignFunctionInterface, nop ),
+ ( "UnliftedFFITypes", Opt_UnliftedFFITypes, nop ),
+ ( "GHCForeignImportPrim", Opt_GHCForeignImportPrim, nop ),
+ ( "LiberalTypeSynonyms", Opt_LiberalTypeSynonyms, nop ),
+ ( "Rank2Types", Opt_Rank2Types, nop ),
+ ( "RankNTypes", Opt_RankNTypes, nop ),
+ ( "ImpredicativeTypes", Opt_ImpredicativeTypes, nop),
+ ( "TypeOperators", Opt_TypeOperators, nop ),
( "RecursiveDo", Opt_RecursiveDo,
deprecatedForExtension "DoRec"),
- ( "DoRec", Opt_DoRec, const Supported ),
- ( "Arrows", Opt_Arrows, const Supported ),
- ( "PArr", Opt_PArr, const Supported ),
- ( "TemplateHaskell", Opt_TemplateHaskell, const Supported ),
- ( "QuasiQuotes", Opt_QuasiQuotes, const Supported ),
- ( "Generics", Opt_Generics, const Supported ),
- ( "ImplicitPrelude", Opt_ImplicitPrelude, const Supported ),
- ( "RecordWildCards", Opt_RecordWildCards, const Supported ),
- ( "NamedFieldPuns", Opt_RecordPuns, const Supported ),
+ ( "DoRec", Opt_DoRec, nop ),
+ ( "Arrows", Opt_Arrows, nop ),
+ ( "ParallelArrays", Opt_ParallelArrays, nop ),
+ ( "TemplateHaskell", Opt_TemplateHaskell, checkTemplateHaskellOk ),
+ ( "QuasiQuotes", Opt_QuasiQuotes, nop ),
+ ( "Generics", Opt_Generics, nop ),
+ ( "ImplicitPrelude", Opt_ImplicitPrelude, nop ),
+ ( "RecordWildCards", Opt_RecordWildCards, nop ),
+ ( "NamedFieldPuns", Opt_RecordPuns, nop ),
( "RecordPuns", Opt_RecordPuns,
deprecatedForExtension "NamedFieldPuns" ),
- ( "DisambiguateRecordFields", Opt_DisambiguateRecordFields, const Supported ),
- ( "OverloadedStrings", Opt_OverloadedStrings, const Supported ),
- ( "GADTs", Opt_GADTs, const Supported ),
- ( "ViewPatterns", Opt_ViewPatterns, const Supported ),
- ( "TypeFamilies", Opt_TypeFamilies, const Supported ),
- ( "BangPatterns", Opt_BangPatterns, const Supported ),
- ( "MonomorphismRestriction", Opt_MonomorphismRestriction, const Supported ),
- ( "NPlusKPatterns", Opt_NPlusKPatterns, const Supported ),
- ( "MonoPatBinds", Opt_MonoPatBinds, const Supported ),
- ( "ExplicitForAll", Opt_ExplicitForAll, const Supported ),
- ( "AlternativeLayoutRule", Opt_AlternativeLayoutRule, const Supported ),
- ( "AlternativeLayoutRuleTransitional",Opt_AlternativeLayoutRuleTransitional, const Supported ),
- ( "DatatypeContexts", Opt_DatatypeContexts, const Supported ),
- ( "MonoLocalBinds", Opt_MonoLocalBinds, const Supported ),
- ( "RelaxedPolyRec", Opt_RelaxedPolyRec, const Supported ),
- ( "ExtendedDefaultRules", Opt_ExtendedDefaultRules, const Supported ),
- ( "ImplicitParams", Opt_ImplicitParams, const Supported ),
- ( "ScopedTypeVariables", Opt_ScopedTypeVariables, const Supported ),
+ ( "DisambiguateRecordFields", Opt_DisambiguateRecordFields, nop ),
+ ( "OverloadedStrings", Opt_OverloadedStrings, nop ),
+ ( "GADTs", Opt_GADTs, nop ),
+ ( "GADTSyntax", Opt_GADTSyntax, nop ),
+ ( "ViewPatterns", Opt_ViewPatterns, nop ),
+ ( "TypeFamilies", Opt_TypeFamilies, nop ),
+ ( "BangPatterns", Opt_BangPatterns, nop ),
+ ( "MonomorphismRestriction", Opt_MonomorphismRestriction, nop ),
+ ( "NPlusKPatterns", Opt_NPlusKPatterns, nop ),
+ ( "DoAndIfThenElse", Opt_DoAndIfThenElse, nop ),
+ ( "RebindableSyntax", Opt_RebindableSyntax, nop ),
+ ( "MonoPatBinds", Opt_MonoPatBinds, nop ),
+ ( "ExplicitForAll", Opt_ExplicitForAll, nop ),
+ ( "AlternativeLayoutRule", Opt_AlternativeLayoutRule, nop ),
+ ( "AlternativeLayoutRuleTransitional",Opt_AlternativeLayoutRuleTransitional, nop ),
+ ( "DatatypeContexts", Opt_DatatypeContexts, nop ),
+ ( "NondecreasingIndentation", Opt_NondecreasingIndentation, nop ),
+ ( "RelaxedLayout", Opt_RelaxedLayout, nop ),
+ ( "MonoLocalBinds", Opt_MonoLocalBinds, nop ),
+ ( "RelaxedPolyRec", Opt_RelaxedPolyRec,
+ \ turn_on -> if not turn_on
+ then deprecate "You can't turn off RelaxedPolyRec any more"
+ else return () ),
+ ( "ExtendedDefaultRules", Opt_ExtendedDefaultRules, nop ),
+ ( "ImplicitParams", Opt_ImplicitParams, nop ),
+ ( "ScopedTypeVariables", Opt_ScopedTypeVariables, nop ),
( "PatternSignatures", Opt_ScopedTypeVariables,
deprecatedForExtension "ScopedTypeVariables" ),
- ( "UnboxedTuples", Opt_UnboxedTuples, const Supported ),
- ( "StandaloneDeriving", Opt_StandaloneDeriving, const Supported ),
- ( "DeriveDataTypeable", Opt_DeriveDataTypeable, const Supported ),
- ( "DeriveFunctor", Opt_DeriveFunctor, const Supported ),
- ( "DeriveTraversable", Opt_DeriveTraversable, const Supported ),
- ( "DeriveFoldable", Opt_DeriveFoldable, const Supported ),
- ( "TypeSynonymInstances", Opt_TypeSynonymInstances, const Supported ),
- ( "FlexibleContexts", Opt_FlexibleContexts, const Supported ),
- ( "FlexibleInstances", Opt_FlexibleInstances, const Supported ),
- ( "ConstrainedClassMethods", Opt_ConstrainedClassMethods, const Supported ),
- ( "MultiParamTypeClasses", Opt_MultiParamTypeClasses, const Supported ),
- ( "FunctionalDependencies", Opt_FunctionalDependencies, const Supported ),
- ( "GeneralizedNewtypeDeriving", Opt_GeneralizedNewtypeDeriving, const Supported ),
- ( "OverlappingInstances", Opt_OverlappingInstances, const Supported ),
- ( "UndecidableInstances", Opt_UndecidableInstances, const Supported ),
- ( "IncoherentInstances", Opt_IncoherentInstances, const Supported ),
- ( "PackageImports", Opt_PackageImports, const Supported ),
- ( "NewQualifiedOperators", Opt_NewQualifiedOperators,
- const $ Deprecated "The new qualified operator syntax was rejected by Haskell'" )
+ ( "UnboxedTuples", Opt_UnboxedTuples, nop ),
+ ( "StandaloneDeriving", Opt_StandaloneDeriving, nop ),
+ ( "DeriveDataTypeable", Opt_DeriveDataTypeable, nop ),
+ ( "DeriveFunctor", Opt_DeriveFunctor, nop ),
+ ( "DeriveTraversable", Opt_DeriveTraversable, nop ),
+ ( "DeriveFoldable", Opt_DeriveFoldable, nop ),
+ ( "TypeSynonymInstances", Opt_TypeSynonymInstances, nop ),
+ ( "FlexibleContexts", Opt_FlexibleContexts, nop ),
+ ( "FlexibleInstances", Opt_FlexibleInstances, nop ),
+ ( "ConstrainedClassMethods", Opt_ConstrainedClassMethods, nop ),
+ ( "MultiParamTypeClasses", Opt_MultiParamTypeClasses, nop ),
+ ( "FunctionalDependencies", Opt_FunctionalDependencies, nop ),
+ ( "GeneralizedNewtypeDeriving", Opt_GeneralizedNewtypeDeriving, nop ),
+ ( "OverlappingInstances", Opt_OverlappingInstances, nop ),
+ ( "UndecidableInstances", Opt_UndecidableInstances, nop ),
+ ( "IncoherentInstances", Opt_IncoherentInstances, nop ),
+ ( "PackageImports", Opt_PackageImports, nop )
]
-impliedFlags :: [(ExtensionFlag, ExtensionFlag)]
+defaultFlags :: [DynFlag]
+defaultFlags
+ = [ Opt_AutoLinkPackages,
+ Opt_ReadUserPackageConf,
+
+ Opt_DoAsmMangling,
+
+ Opt_SharedImplib,
+
+ Opt_GenManifest,
+ Opt_EmbedManifest,
+ Opt_PrintBindContents,
+ Opt_GhciSandbox,
+ Opt_HelpfulErrors
+ ]
+
+ ++ [f | (ns,f) <- optLevelFlags, 0 `elem` ns]
+ -- The default -O0 options
+
+ ++ standardWarnings
+
+impliedFlags :: [(ExtensionFlag, TurnOnFlag, ExtensionFlag)]
impliedFlags
- = [ (Opt_RankNTypes, Opt_ExplicitForAll)
- , (Opt_Rank2Types, Opt_ExplicitForAll)
- , (Opt_ScopedTypeVariables, Opt_ExplicitForAll)
- , (Opt_LiberalTypeSynonyms, Opt_ExplicitForAll)
- , (Opt_ExistentialQuantification, Opt_ExplicitForAll)
- , (Opt_PolymorphicComponents, Opt_ExplicitForAll)
-
- , (Opt_GADTs, Opt_RelaxedPolyRec) -- We want type-sig variables to
- -- be completely rigid for GADTs
-
- , (Opt_TypeFamilies, Opt_RelaxedPolyRec) -- Trac #2944 gives a nice example
- , (Opt_TypeFamilies, Opt_KindSignatures) -- Type families use kind signatures
+ = [ (Opt_RankNTypes, turnOn, Opt_ExplicitForAll)
+ , (Opt_Rank2Types, turnOn, Opt_ExplicitForAll)
+ , (Opt_ScopedTypeVariables, turnOn, Opt_ExplicitForAll)
+ , (Opt_LiberalTypeSynonyms, turnOn, Opt_ExplicitForAll)
+ , (Opt_ExistentialQuantification, turnOn, Opt_ExplicitForAll)
+ , (Opt_PolymorphicComponents, turnOn, Opt_ExplicitForAll)
+ , (Opt_FlexibleInstances, turnOn, Opt_TypeSynonymInstances)
+
+ , (Opt_RebindableSyntax, turnOff, Opt_ImplicitPrelude) -- NB: turn off!
+
+ , (Opt_GADTs, turnOn, Opt_GADTSyntax)
+ , (Opt_GADTs, turnOn, Opt_MonoLocalBinds)
+ , (Opt_TypeFamilies, turnOn, Opt_MonoLocalBinds)
+
+ , (Opt_TypeFamilies, turnOn, Opt_KindSignatures) -- Type families use kind signatures
-- all over the place
- , (Opt_ScopedTypeVariables, Opt_RelaxedPolyRec) -- Ditto for scoped type variables; see
- -- Note [Scoped tyvars] in TcBinds
- , (Opt_ImpredicativeTypes, Opt_RankNTypes)
+ , (Opt_ImpredicativeTypes, turnOn, Opt_RankNTypes)
-- Record wild-cards implies field disambiguation
-- Otherwise if you write (C {..}) you may well get
-- stuff like " 'a' not in scope ", which is a bit silly
-- if the compiler has just filled in field 'a' of constructor 'C'
- , (Opt_RecordWildCards, Opt_DisambiguateRecordFields)
+ , (Opt_RecordWildCards, turnOn, Opt_DisambiguateRecordFields)
+
+ , (Opt_ParallelArrays, turnOn, Opt_ParallelListComp)
]
+optLevelFlags :: [([Int], DynFlag)]
+optLevelFlags
+ = [ ([0], Opt_IgnoreInterfacePragmas)
+ , ([0], Opt_OmitInterfacePragmas)
+
+ , ([1,2], Opt_IgnoreAsserts)
+ , ([1,2], Opt_EnableRewriteRules) -- Off for -O0; see Note [Scoping for Builtin rules]
+ -- in PrelRules
+ , ([1,2], Opt_DoEtaReduction)
+ , ([1,2], Opt_CaseMerge)
+ , ([1,2], Opt_Strictness)
+ , ([1,2], Opt_CSE)
+ , ([1,2], Opt_FullLaziness)
+ , ([1,2], Opt_Specialise)
+ , ([1,2], Opt_FloatIn)
+
+ , ([2], Opt_LiberateCase)
+ , ([2], Opt_SpecConstr)
+ , ([2], Opt_RegsGraph)
+
+-- , ([2], Opt_StaticArgumentTransformation)
+-- Max writes: I think it's probably best not to enable SAT with -O2 for the
+-- 6.10 release. The version of SAT in HEAD at the moment doesn't incorporate
+-- several improvements to the heuristics, and I'm concerned that without
+-- those changes SAT will interfere with some attempts to write "high
+-- performance Haskell", as we saw in some posts on Haskell-Cafe earlier
+-- this year. In particular, the version in HEAD lacks the tail call
+-- criterion, so many things that look like reasonable loops will be
+-- turned into functions with extra (unneccesary) thunk creation.
+
+ , ([0,1,2], Opt_DoLambdaEtaExpansion)
+ -- This one is important for a tiresome reason:
+ -- we want to make sure that the bindings for data
+ -- constructors are eta-expanded. This is probably
+ -- a good thing anyway, but it seems fragile.
+ ]
+
+-- -----------------------------------------------------------------------------
+-- Standard sets of warning options
+
+standardWarnings :: [DynFlag]
+standardWarnings
+ = [ Opt_WarnWarningsDeprecations,
+ Opt_WarnDeprecatedFlags,
+ Opt_WarnUnrecognisedPragmas,
+ Opt_WarnOverlappingPatterns,
+ Opt_WarnMissingFields,
+ Opt_WarnMissingMethods,
+ Opt_WarnDuplicateExports,
+ Opt_WarnLazyUnliftedBindings,
+ Opt_WarnDodgyForeignImports,
+ Opt_WarnWrongDoBind,
+ Opt_WarnAlternativeLayoutRuleTransitional
+ ]
+
+minusWOpts :: [DynFlag]
+-- Things you get with -W
+minusWOpts
+ = standardWarnings ++
+ [ Opt_WarnUnusedBinds,
+ Opt_WarnUnusedMatches,
+ Opt_WarnUnusedImports,
+ Opt_WarnIncompletePatterns,
+ Opt_WarnDodgyExports,
+ Opt_WarnDodgyImports
+ ]
+
+minusWallOpts :: [DynFlag]
+-- Things you get with -Wall
+minusWallOpts
+ = minusWOpts ++
+ [ Opt_WarnTypeDefaults,
+ Opt_WarnNameShadowing,
+ Opt_WarnMissingSigs,
+ Opt_WarnHiShadows,
+ Opt_WarnOrphans,
+ Opt_WarnUnusedDoBind
+ ]
+
+minuswRemovesOpts :: [DynFlag]
+-- minuswRemovesOpts should be every warning option
+minuswRemovesOpts
+ = minusWallOpts ++
+ [Opt_WarnTabs,
+ Opt_WarnIncompletePatternsRecUpd,
+ Opt_WarnIncompleteUniPatterns,
+ Opt_WarnMonomorphism,
+ Opt_WarnUnrecognisedPragmas,
+ Opt_WarnAutoOrphans,
+ Opt_WarnImplicitPrelude
+ ]
+
enableGlasgowExts :: DynP ()
enableGlasgowExts = do setDynFlag Opt_PrintExplicitForalls
mapM_ setExtensionFlag glasgowExtsFlags
glasgowExtsFlags = [
Opt_ForeignFunctionInterface
, Opt_UnliftedFFITypes
- , Opt_GADTs
, Opt_ImplicitParams
, Opt_ScopedTypeVariables
, Opt_UnboxedTuples
, Opt_ParallelListComp
, Opt_EmptyDataDecls
, Opt_KindSignatures
- , Opt_GeneralizedNewtypeDeriving
- , Opt_TypeFamilies ]
-
--- -----------------------------------------------------------------------------
--- Parsing the dynamic flags.
+ , Opt_GeneralizedNewtypeDeriving ]
+
+#ifdef GHCI
+-- Consult the RTS to find whether GHC itself has been built profiled
+-- If so, you can't use Template Haskell
+foreign import ccall unsafe "rts_isProfiled" rtsIsProfiledIO :: IO CInt
+
+rtsIsProfiled :: Bool
+rtsIsProfiled = unsafePerformIO rtsIsProfiledIO /= 0
+
+checkTemplateHaskellOk :: Bool -> DynP ()
+checkTemplateHaskellOk turn_on
+ | turn_on && rtsIsProfiled
+ = addErr "You can't use Template Haskell with a profiled compiler"
+ | otherwise
+ = return ()
+#else
+-- In stage 1 we don't know that the RTS has rts_isProfiled,
+-- so we simply say "ok". It doesn't matter because TH isn't
+-- available in stage 1 anyway.
+checkTemplateHaskellOk turn_on = return ()
+#endif
--- | Parse dynamic flags from a list of command line arguments. Returns the
--- the parsed 'DynFlags', the left-over arguments, and a list of warnings.
--- Throws a 'UsageError' if errors occurred during parsing (such as unknown
--- flags or missing arguments).
-parseDynamicFlags :: Monad m =>
- DynFlags -> [Located String]
- -> m (DynFlags, [Located String], [Located String])
- -- ^ Updated 'DynFlags', left-over arguments, and
- -- list of warnings.
-parseDynamicFlags dflags args = parseDynamicFlags_ dflags args True
+{- **********************************************************************
+%* *
+ DynFlags constructors
+%* *
+%********************************************************************* -}
--- | Like 'parseDynamicFlags' but does not allow the package flags (-package,
--- -hide-package, -ignore-package, -hide-all-packages, -package-conf).
-parseDynamicNoPackageFlags :: Monad m =>
- DynFlags -> [Located String]
- -> m (DynFlags, [Located String], [Located String])
- -- ^ Updated 'DynFlags', left-over arguments, and
- -- list of warnings.
-parseDynamicNoPackageFlags dflags args = parseDynamicFlags_ dflags args False
+type DynP = EwM (CmdLineP DynFlags)
-parseDynamicFlags_ :: Monad m =>
- DynFlags -> [Located String] -> Bool
- -> m (DynFlags, [Located String], [Located String])
-parseDynamicFlags_ dflags0 args pkg_flags = do
- -- XXX Legacy support code
- -- We used to accept things like
- -- optdep-f -optdepdepend
- -- optdep-f -optdep depend
- -- optdep -f -optdepdepend
- -- optdep -f -optdep depend
- -- but the spaces trip up proper argument handling. So get rid of them.
- let f (L p "-optdep" : L _ x : xs) = (L p ("-optdep" ++ x)) : f xs
- f (x : xs) = x : f xs
- f xs = xs
- args' = f args
+upd :: (DynFlags -> DynFlags) -> DynP ()
+upd f = liftEwM (do { dfs <- getCmdLineState
+ ; putCmdLineState $! (f dfs) })
- -- Note: -ignore-package (package_flags) must precede -i* (dynamic_flags)
- flag_spec | pkg_flags = package_flags ++ dynamic_flags
- | otherwise = dynamic_flags
+--------------- Constructor functions for OptKind -----------------
+noArg :: (DynFlags -> DynFlags) -> OptKind (CmdLineP DynFlags)
+noArg fn = NoArg (upd fn)
- let ((leftover, errs, warns), dflags1)
- = runCmdLine (processArgs flag_spec args') dflags0
- when (not (null errs)) $ ghcError $ errorsToGhcException errs
+noArgDF :: (DynFlags -> DynFlags) -> String -> OptKind (CmdLineP DynFlags)
+noArgDF fn deprec = NoArg (upd fn >> deprecate deprec)
- -- Cannot use -fPIC with registerised -fvia-C, because the mangler
- -- isn't up to the job. We know that if hscTarget == HscC, then the
- -- user has explicitly used -fvia-C, because -fasm is the default,
- -- unless there is no NCG on this platform. The latter case is
- -- checked when the -fPIC flag is parsed.
- --
- let (pic_warns, dflags2) =
- if opt_PIC && hscTarget dflags1 == HscC && cGhcUnregisterised == "NO"
- then ([L noSrcSpan $ "Warning: -fvia-C is incompatible with -fPIC; ignoring -fvia-C"],
- dflags1{ hscTarget = HscAsm })
- else ([], dflags1)
+hasArg :: (String -> DynFlags -> DynFlags) -> OptKind (CmdLineP DynFlags)
+hasArg fn = HasArg (upd . fn)
- return (dflags2, leftover, pic_warns ++ warns)
+hasArgDF :: (String -> DynFlags -> DynFlags) -> String -> OptKind (CmdLineP DynFlags)
+hasArgDF fn deprec = HasArg (\s -> do { upd (fn s)
+ ; deprecate deprec })
-type DynP = CmdLineP DynFlags
+intSuffix :: (Int -> DynFlags -> DynFlags) -> OptKind (CmdLineP DynFlags)
+intSuffix fn = IntSuffix (\n -> upd (fn n))
-upd :: (DynFlags -> DynFlags) -> DynP ()
-upd f = do
- dfs <- getCmdLineState
- putCmdLineState $! (f dfs)
+setDumpFlag :: DynFlag -> OptKind (CmdLineP DynFlags)
+setDumpFlag dump_flag = NoArg (setDumpFlag' dump_flag)
--------------------------
setDynFlag, unSetDynFlag :: DynFlag -> DynP ()
-setDynFlag f = upd (\dfs -> dopt_set dfs f)
+setDynFlag f = upd (\dfs -> dopt_set dfs f)
unSetDynFlag f = upd (\dfs -> dopt_unset dfs f)
--------------------------
-setLanguage :: Language -> DynP ()
-setLanguage l = upd (\dfs -> dfs { language = Just l })
-
---------------------------
setExtensionFlag, unSetExtensionFlag :: ExtensionFlag -> DynP ()
-setExtensionFlag f = do { upd (\dfs -> lopt_set dfs f)
- ; mapM_ setExtensionFlag deps }
+setExtensionFlag f = do { upd (\dfs -> xopt_set dfs f)
+ ; sequence_ deps }
where
- deps = [ d | (f', d) <- impliedFlags, f' == f ]
+ deps = [ if turn_on then setExtensionFlag d
+ else unSetExtensionFlag d
+ | (f', turn_on, d) <- impliedFlags, f' == f ]
-- When you set f, set the ones it implies
-- NB: use setExtensionFlag recursively, in case the implied flags
-- implies further flags
- -- When you un-set f, however, we don't un-set the things it implies
- -- (except for -fno-glasgow-exts, which is treated specially)
-unSetExtensionFlag f = upd (\dfs -> lopt_unset dfs f)
+unSetExtensionFlag f = upd (\dfs -> xopt_unset dfs f)
+ -- When you un-set f, however, we don't un-set the things it implies
+ -- (except for -fno-glasgow-exts, which is treated specially)
--------------------------
-setDumpFlag :: DynFlag -> OptKind DynP
-setDumpFlag dump_flag = NoArg (setDumpFlag' dump_flag)
-
setDumpFlag' :: DynFlag -> DynP ()
setDumpFlag' dump_flag
= do { setDynFlag dump_flag
- ; when want_recomp forceRecompile }
+ ; when want_recomp forceRecompile }
where
-- Certain dumpy-things are really interested in what's going
-- on during recompilation checking, so in those cases we
-- recompilation checker), else you don't see the dump! However,
-- don't switch it off in --make mode, else *everything* gets
-- recompiled which probably isn't what you want
-forceRecompile = do { dfs <- getCmdLineState
+forceRecompile = do { dfs <- liftEwM getCmdLineState
; when (force_recomp dfs) (setDynFlag Opt_ForceRecomp) }
where
force_recomp dfs = isOneShot (ghcMode dfs)
-- -Odph is equivalent to
--
-- -O2 optimise as much as possible
--- -fno-method-sharing sharing specialisation defeats fusion
--- sometimes
--- -fdicts-cheap always inline dictionaries
-- -fmax-simplifier-iterations20 this is necessary sometimes
--- -fsimplifier-phases=3 we use an additional simplifier phase
--- for fusion
--- -fno-spec-constr-threshold run SpecConstr even for big loops
--- -fno-spec-constr-count SpecConstr as much as possible
--- -finline-enough-args hack to prevent excessive inlining
+-- -fsimplifier-phases=3 we use an additional simplifier phase for fusion
--
setDPHOpt :: DynFlags -> DynFlags
setDPHOpt dflags = setOptLevel 2 (dflags { maxSimplIterations = 20
, simplPhases = 3
- , specConstrThreshold = Nothing
- , specConstrCount = Nothing
})
- `dopt_set` Opt_DictsCheap
- `dopt_unset` Opt_MethodSharing
-data DPHBackend = DPHPar
- | DPHSeq
- | DPHThis
+-- Determines the package used by the vectoriser for the symbols of the vectorised code.
+-- 'DPHNone' indicates that no data-parallel backend library is available; hence, the
+-- vectoriser cannot be used.
+--
+data DPHBackend = DPHPar -- "dph-par"
+ | DPHSeq -- "dph-seq"
+ | DPHThis -- the currently compiled package
+ | DPHNone -- no DPH library available
deriving(Eq, Ord, Enum, Show)
setDPHBackend :: DPHBackend -> DynP ()
-setDPHBackend backend
- = do
- upd $ \dflags -> dflags { dphBackend = backend }
- mapM_ exposePackage (dph_packages backend)
- where
- dph_packages DPHThis = []
- dph_packages DPHPar = ["dph-prim-par", "dph-par"]
- dph_packages DPHSeq = ["dph-prim-seq", "dph-seq"]
+setDPHBackend backend = upd $ \dflags -> dflags { dphBackend = backend }
+-- Query the DPH backend package to be used by the vectoriser.
+--
dphPackage :: DynFlags -> PackageId
-dphPackage dflags = case dphBackend dflags of
- DPHPar -> dphParPackageId
- DPHSeq -> dphSeqPackageId
- DPHThis -> thisPackage dflags
+dphPackage dflags
+ = case dphBackend dflags of
+ DPHPar -> dphParPackageId
+ DPHSeq -> dphSeqPackageId
+ DPHThis -> thisPackage dflags
+ DPHNone -> ghcError (CmdLineError dphBackendError)
+
+dphBackendError :: String
+dphBackendError = "To use -fvectorise select a DPH backend with -fdph-par or -fdph-seq"
setMainIs :: String -> DynP ()
setMainIs arg
machdepCCOpts :: DynFlags -> ([String], -- flags for all C compilations
[String]) -- for registerised HC compilations
-machdepCCOpts _dflags
+machdepCCOpts dflags = let (flagsAll, flagsRegHc) = machdepCCOpts' dflags
+ in (cCcOpts ++ flagsAll, flagsRegHc)
+
+machdepCCOpts' :: DynFlags -> ([String], -- flags for all C compilations
+ [String]) -- for registerised HC compilations
+machdepCCOpts' _dflags
#if alpha_TARGET_ARCH
= ( ["-w", "-mieee"
#ifdef HAVE_THREADED_RTS_SUPPORT
-- the fp (%ebp) for our register maps.
= let n_regs = stolen_x86_regs _dflags
in
- (
-#if darwin_TARGET_OS
- -- By default, gcc on OS X will generate SSE
- -- instructions, which need things 16-byte aligned,
- -- but we don't 16-byte align things. Thus drop
- -- back to generic i686 compatibility. Trac #2983.
- --
- -- Since Snow Leopard (10.6), gcc defaults to x86_64.
- ["-march=i686", "-m32"],
-#else
+ (
[ if opt_Static then "-DDONT_WANT_WIN32_DLL_SUPPORT" else ""
],
-#endif
[ "-fno-defer-pop",
"-fomit-frame-pointer",
-- we want -fno-builtin, because when gcc inlines
#elif x86_64_TARGET_ARCH
= (
-#if darwin_TARGET_OS
- ["-m64"],
-#else
- [],
-#endif
+ [],
["-fomit-frame-pointer",
"-fno-asynchronous-unwind-tables",
-- the unwind tables are unnecessary for HC code,
("Project version", String cProjectVersion),
("Booter version", String cBooterVersion),
("Stage", String cStage),
- ("Build platform", String cBuildPlatform),
- ("Host platform", String cHostPlatform),
- ("Target platform", String cTargetPlatform),
+ ("Build platform", String cBuildPlatformString),
+ ("Host platform", String cHostPlatformString),
+ ("Target platform", String cTargetPlatformString),
("Have interpreter", String cGhcWithInterpreter),
("Object splitting", String cSplitObjs),
("Have native code generator", String cGhcWithNativeCodeGen),
- ("Have llvm code generator", String cGhcWithLlvmCodeGen),
("Support SMP", String cGhcWithSMP),
("Unregisterised", String cGhcUnregisterised),
("Tables next to code", String cGhcEnableTablesNextToCode),
("Leading underscore", String cLeadingUnderscore),
("Debug on", String (show debugIsOn)),
("LibDir", FromDynFlags topDir),
- ("Global Package DB", FromDynFlags systemPackageConfig)
+ ("Global Package DB", FromDynFlags systemPackageConfig),
+ ("C compiler flags", String (show cCcOpts)),
+ ("Gcc Linker flags", String (show cGccLinkerOpts)),
+ ("Ld Linker flags", String (show cLdLinkerOpts))
]