X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fmain%2FDynFlags.hs;h=85554cbafafbbd272243fe4ba65064cbd0308314;hp=3505bb647ae588699e07777843af6ccecd18574b;hb=0cbdc7b1bd76c61ad31a14a43398ae05ce138489;hpb=ed8c9b25a7e5e1e8fa54196f542b50812163759e diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs index 3505bb6..85554cb 100644 --- a/compiler/main/DynFlags.hs +++ b/compiler/main/DynFlags.hs @@ -1,4 +1,3 @@ - -- | -- Dynamic flags -- @@ -12,26 +11,31 @@ -- 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, DynFlags(..), + RtsOptsEnabled(..), HscTarget(..), isObjectTarget, defaultObjectTarget, GhcMode(..), isOneShot, GhcLink(..), isNoLink, PackageFlag(..), - Option(..), + Option(..), showOpt, DynLibLoader(..), - fFlags, xFlags, + fFlags, fLangFlags, xFlags, dphPackage, + wayNames, -- ** Manipulating DynFlags defaultDynFlags, -- DynFlags initDynFlags, -- DynFlags -> IO DynFlags - dopt, -- DynFlag -> DynFlags -> Bool - dopt_set, dopt_unset, -- DynFlags -> DynFlag -> DynFlags getOpts, -- DynFlags -> (DynFlags -> [a]) -> [a] getVerbFlag, - getMainFun, updOptLevel, setTmpDir, setPackageName, @@ -42,23 +46,17 @@ module DynFlags ( parseDynamicNoPackageFlags, allFlags, - supportedLanguages, languageOptions, + supportedLanguagesAndExtensions, -- ** DynFlag C compiler options machdepCCOpts, picCCOpts, - -- * Configuration of the core-to-core passes - CoreToDo(..), - SimplifierMode(..), - SimplifierSwitch(..), - FloatOutSwitches(..), - getCoreToDo, - -- * Configuration of the stg-to-stg passes StgToDo(..), getStgToDo, -- * Compiler configuration suitable for display to the user + Printable(..), compilerInfo ) where @@ -69,21 +67,14 @@ import Platform #endif import Module import PackageConfig -import PrelNames ( mAIN, main_RDR_Unqual ) -import RdrName ( RdrName, mkRdrUnqual ) -import OccName ( mkVarOccFS ) -#if defined(i386_TARGET_ARCH) || ! defined(mingw32_TARGET_OS) -import StaticFlags ( opt_Static ) -#endif -import StaticFlags ( opt_PIC, WayName(..), v_Ways, v_Build_tag, - v_RTS_Build_tag ) +import PrelNames ( mAIN ) +import StaticFlags import {-# SOURCE #-} Packages (PackageState) import DriverPhases ( Phase(..), phaseInputExt ) import Config import CmdLineParser import Constants ( mAX_CONTEXT_REDUCTION_DEPTH ) import Panic -import UniqFM ( UniqFM ) import Util import Maybes ( orElse ) import SrcLoc @@ -96,7 +87,7 @@ import Data.IORef import Control.Monad ( when ) import Data.Char -import Data.List ( intersperse ) +import Data.List import System.FilePath import System.IO ( stderr, hPutChar ) @@ -120,6 +111,8 @@ data DynFlag | Opt_D_dump_asm_regalloc_stages | Opt_D_dump_asm_conflicts | Opt_D_dump_asm_stats + | Opt_D_dump_asm_expanded + | Opt_D_dump_llvm | Opt_D_dump_cpranal | Opt_D_dump_deriv | Opt_D_dump_ds @@ -176,6 +169,7 @@ data DynFlag | Opt_WarnIncompletePatterns | Opt_WarnIncompletePatternsRecUpd | Opt_WarnMissingFields + | Opt_WarnMissingImportList | Opt_WarnMissingMethods | Opt_WarnMissingSigs | Opt_WarnNameShadowing @@ -188,79 +182,28 @@ data DynFlag | Opt_WarnUnusedMatches | Opt_WarnWarningsDeprecations | Opt_WarnDeprecatedFlags + | Opt_WarnDodgyExports | Opt_WarnDodgyImports | Opt_WarnOrphans | Opt_WarnTabs | Opt_WarnUnrecognisedPragmas | Opt_WarnDodgyForeignImports - - -- language opts - | Opt_OverlappingInstances - | Opt_UndecidableInstances - | Opt_IncoherentInstances - | Opt_MonomorphismRestriction - | Opt_MonoPatBinds - | Opt_ExtendedDefaultRules -- Use GHC's extended rules for defaulting - | Opt_ForeignFunctionInterface - | Opt_UnliftedFFITypes - | Opt_PArr -- Syntactic support for parallel arrays - | Opt_Arrows -- Arrow-notation syntax - | Opt_TemplateHaskell - | Opt_QuasiQuotes - | Opt_ImplicitParams - | Opt_Generics -- "Derivable type classes" - | Opt_ImplicitPrelude - | Opt_ScopedTypeVariables - | Opt_UnboxedTuples - | Opt_BangPatterns - | Opt_TypeFamilies - | Opt_OverloadedStrings - | Opt_DisambiguateRecordFields - | Opt_RecordWildCards - | Opt_RecordPuns - | Opt_ViewPatterns - | Opt_GADTs - | Opt_RelaxedPolyRec - | Opt_StandaloneDeriving - | Opt_DeriveDataTypeable - | Opt_DeriveFunctor - | Opt_TypeSynonymInstances - | Opt_FlexibleContexts - | Opt_FlexibleInstances - | Opt_ConstrainedClassMethods - | Opt_MultiParamTypeClasses - | Opt_FunctionalDependencies - | Opt_UnicodeSyntax - | Opt_PolymorphicComponents - | Opt_ExistentialQuantification - | Opt_MagicHash - | Opt_EmptyDataDecls - | Opt_KindSignatures - | Opt_ParallelListComp - | Opt_TransformListComp - | Opt_GeneralizedNewtypeDeriving - | Opt_RecursiveDo - | Opt_PostfixOperators - | Opt_PatternGuards - | Opt_LiberalTypeSynonyms - | Opt_Rank2Types - | Opt_RankNTypes - | Opt_ImpredicativeTypes - | Opt_TypeOperators - | Opt_PackageImports - | Opt_NewQualifiedOperators + | Opt_WarnLazyUnliftedBindings + | Opt_WarnUnusedDoBind + | Opt_WarnWrongDoBind + | Opt_WarnAlternativeLayoutRuleTransitional | Opt_PrintExplicitForalls -- optimisation opts | Opt_Strictness | Opt_FullLaziness + | Opt_FloatIn + | Opt_Specialise | Opt_StaticArgumentTransformation | Opt_CSE | Opt_LiberateCase | Opt_SpecConstr - | Opt_IgnoreInterfacePragmas - | Opt_OmitInterfacePragmas | Opt_DoLambdaEtaExpansion | Opt_IgnoreAsserts | Opt_DoEtaReduction @@ -268,19 +211,22 @@ data DynFlag | Opt_UnboxStrictFields | Opt_MethodSharing | Opt_DictsCheap - | Opt_InlineIfEnoughArgs | Opt_EnableRewriteRules -- Apply rewrite rules during simplification | Opt_Vectorise | Opt_RegsGraph -- do graph coloring register allocation | Opt_RegsIterative -- do iterative coalescing graph coloring register allocation + -- Interface files + | Opt_IgnoreInterfacePragmas + | Opt_OmitInterfacePragmas + | Opt_ExposeAllUnfoldings + -- profiling opts | Opt_AutoSccsOnAllToplevs | Opt_AutoSccsOnExportedToplevs | Opt_AutoSccsOnIndividualCafs -- misc opts - | Opt_Cpp | Opt_Pp | Opt_ForceRecomp | Opt_DryRun @@ -302,6 +248,10 @@ data DynFlag | Opt_PrintBindContents | Opt_GenManifest | Opt_EmbedManifest + | Opt_EmitExternalCore + | Opt_SharedImplib + | Opt_BuildingCabalPackage + | Opt_SSE2 -- temporary flags | Opt_RunCPS @@ -318,25 +268,99 @@ data DynFlag | Opt_KeepRawSFiles | Opt_KeepTmpFiles | Opt_KeepRawTokenStream + | Opt_KeepLlvmFiles deriving (Eq, Show) +data Language = Haskell98 | Haskell2010 + +data ExtensionFlag + = Opt_Cpp + | Opt_OverlappingInstances + | Opt_UndecidableInstances + | Opt_IncoherentInstances + | Opt_MonomorphismRestriction + | Opt_MonoPatBinds + | Opt_MonoLocalBinds + | Opt_ExtendedDefaultRules -- Use GHC's extended rules for defaulting + | Opt_ForeignFunctionInterface + | Opt_UnliftedFFITypes + | Opt_GHCForeignImportPrim + | Opt_PArr -- Syntactic support for parallel arrays + | Opt_Arrows -- Arrow-notation syntax + | Opt_TemplateHaskell + | Opt_QuasiQuotes + | Opt_ImplicitParams + | Opt_Generics -- "Derivable type classes" + | Opt_ImplicitPrelude + | Opt_ScopedTypeVariables + | Opt_UnboxedTuples + | Opt_BangPatterns + | Opt_TypeFamilies + | Opt_OverloadedStrings + | Opt_DisambiguateRecordFields + | Opt_RecordWildCards + | Opt_RecordPuns + | Opt_ViewPatterns + | Opt_GADTs + | Opt_RelaxedPolyRec + | Opt_NPlusKPatterns + | Opt_DoAndIfThenElse + + | Opt_StandaloneDeriving + | Opt_DeriveDataTypeable + | Opt_DeriveFunctor + | Opt_DeriveTraversable + | Opt_DeriveFoldable + + | Opt_TypeSynonymInstances + | Opt_FlexibleContexts + | Opt_FlexibleInstances + | Opt_ConstrainedClassMethods + | Opt_MultiParamTypeClasses + | Opt_FunctionalDependencies + | Opt_UnicodeSyntax + | Opt_PolymorphicComponents + | Opt_ExistentialQuantification + | Opt_MagicHash + | Opt_EmptyDataDecls + | Opt_KindSignatures + | Opt_ParallelListComp + | Opt_TransformListComp + | Opt_GeneralizedNewtypeDeriving + | Opt_RecursiveDo + | Opt_DoRec + | Opt_PostfixOperators + | Opt_TupleSections + | Opt_PatternGuards + | Opt_LiberalTypeSynonyms + | Opt_Rank2Types + | Opt_RankNTypes + | Opt_ImpredicativeTypes + | Opt_TypeOperators + | Opt_PackageImports + | Opt_NewQualifiedOperators + | Opt_ExplicitForAll + | Opt_AlternativeLayoutRule + | Opt_AlternativeLayoutRuleTransitional + | Opt_DatatypeContexts + deriving (Eq, Show) + -- | Contains not only a collection of 'DynFlag's but also a plethora of -- information relating to the compilation of a single file or GHC session data DynFlags = DynFlags { ghcMode :: GhcMode, ghcLink :: GhcLink, - coreToDo :: Maybe [CoreToDo], -- reserved for -Ofile - stgToDo :: Maybe [StgToDo], -- similarly hscTarget :: HscTarget, hscOutName :: String, -- ^ Name of the output file extCoreName :: String, -- ^ Name of the .hcr output file - verbosity :: Int, -- ^ Verbosity level: see "DynFlags#verbosity_levels" + verbosity :: Int, -- ^ Verbosity level: see Note [Verbosity levels] optLevel :: Int, -- ^ Optimisation level simplPhases :: Int, -- ^ Number of simplifier phases maxSimplIterations :: Int, -- ^ Max simplifier iterations - shouldDumpSimplPhase :: SimplifierMode -> Bool, + shouldDumpSimplPhase :: Maybe String, ruleCheck :: Maybe String, + strictnessBefore :: [Int], -- ^ Additional demand analysis specConstrThreshold :: Maybe Int, -- ^ Threshold for SpecConstr specConstrCount :: Maybe Int, -- ^ Max number of specialisations for any one function @@ -357,7 +381,7 @@ data DynFlags = DynFlags { thisPackage :: PackageId, -- ^ name of package currently being compiled -- ways - wayNames :: [WayName], -- ^ Way flags from the command line + ways :: [Way], -- ^ Way flags from the command line buildTag :: String, -- ^ The global \"way\" (e.g. \"p\" for prof) rtsBuildTag :: String, -- ^ The RTS \"way\" @@ -366,6 +390,7 @@ data DynFlags = DynFlags { -- paths etc. objectDir :: Maybe String, + dylibInstallName :: Maybe String, hiDir :: Maybe String, stubDir :: Maybe String, @@ -393,6 +418,8 @@ data DynFlags = DynFlags { ghcUsagePath :: FilePath, -- Filled in by SysTools ghciUsagePath :: FilePath, -- ditto + rtsOpts :: Maybe String, + rtsOptsEnabled :: RtsOptsEnabled, hpcDir :: String, -- ^ Path to store the .mix files @@ -405,6 +432,8 @@ data DynFlags = DynFlags { opt_a :: [String], opt_l :: [String], opt_windres :: [String], + opt_lo :: [String], -- LLVM: llvm optimiser + opt_lc :: [String], -- LLVM: llc static compiler -- commands for particular phases pgm_L :: String, @@ -419,6 +448,8 @@ data DynFlags = DynFlags { pgm_T :: String, pgm_sysman :: String, pgm_windres :: String, + pgm_lo :: (String,[Option]), -- LLVM: opt llvm optimiser + pgm_lc :: (String,[Option]), -- LLVM: llc static compiler -- For ghc -M depMakefile :: FilePath, @@ -439,7 +470,7 @@ data DynFlags = DynFlags { -- Package state -- NB. do not modify this field, it is calculated by -- Packages.initPackages and Packages.updatePackages. - pkgDatabase :: Maybe (UniqFM PackageConfig), + pkgDatabase :: Maybe [PackageConfig], pkgState :: PackageState, -- Temporary files @@ -450,6 +481,9 @@ data DynFlags = DynFlags { -- hsc dynamic flags flags :: [DynFlag], + language :: Maybe Language, + extensionFlags :: Either [OnOff ExtensionFlag] + [ExtensionFlag], -- | Message output action: use "ErrUtils" instead of this if you can log_action :: Severity -> SrcSpan -> PprStyle -> Message -> IO (), @@ -457,6 +491,9 @@ data DynFlags = DynFlags { haddockOptions :: Maybe String } +wayNames :: DynFlags -> [WayName] +wayNames = map wayName . ways + -- | The target code type of the compilation (if any). -- -- Whenever you change the target, also make sure to set 'ghcLink' to @@ -480,6 +517,7 @@ data DynFlags = DynFlags { data HscTarget = HscC -- ^ Generate C code. | HscAsm -- ^ Generate assembly using the native code generator. + | HscLlvm -- ^ Generate assembly using the llvm code generator. | HscJava -- ^ Generate Java bytecode. | HscInterpreted -- ^ Generate bytecode. (Requires 'LinkInMemory') | HscNothing -- ^ Don't generate any code. See notes above. @@ -489,6 +527,7 @@ data HscTarget isObjectTarget :: HscTarget -> Bool isObjectTarget HscC = True isObjectTarget HscAsm = True +isObjectTarget HscLlvm = True isObjectTarget _ = False -- | The 'GhcMode' tells us whether we're doing multi-module @@ -528,10 +567,13 @@ isNoLink _ = False -- Is it worth evaluating this Bool and caching it in the DynFlags value -- during initDynFlags? doingTickyProfiling :: DynFlags -> Bool -doingTickyProfiling dflags = WayTicky `elem` wayNames dflags +doingTickyProfiling _ = opt_Ticky + -- XXX -ticky is a static flag, because it implies -debug which is also + -- static. If the way flags were made dynamic, we could fix this. data PackageFlag = ExposePackage String + | ExposePackageId String | HidePackage String | IgnorePackage String deriving Eq @@ -552,19 +594,19 @@ data DynLibLoader | SystemDependent deriving Eq +data RtsOptsEnabled = RtsOptsNone | RtsOptsSafeOnly | RtsOptsAll + -- | Used by 'GHC.newSession' to partially initialize a new 'DynFlags' value initDynFlags :: DynFlags -> IO DynFlags initDynFlags dflags = do -- someday these will be dynamic flags ways <- readIORef v_Ways - build_tag <- readIORef v_Build_tag - rts_build_tag <- readIORef v_RTS_Build_tag refFilesToClean <- newIORef [] refDirsToClean <- newIORef emptyFM return dflags{ - wayNames = ways, - buildTag = build_tag, - rtsBuildTag = rts_build_tag, + ways = ways, + buildTag = mkBuildTag (filter (not . wayRTSOnly) ways), + rtsBuildTag = mkBuildTag ways, filesToClean = refFilesToClean, dirsToClean = refDirsToClean } @@ -576,8 +618,6 @@ defaultDynFlags = DynFlags { ghcMode = CompManager, ghcLink = LinkBinary, - coreToDo = Nothing, - stgToDo = Nothing, hscTarget = defaultHscTarget, hscOutName = "", extCoreName = "", @@ -585,11 +625,13 @@ defaultDynFlags = optLevel = 0, simplPhases = 2, maxSimplIterations = 4, - shouldDumpSimplPhase = const False, + shouldDumpSimplPhase = Nothing, ruleCheck = Nothing, specConstrThreshold = Just 200, specConstrCount = Just 3, liberateCaseThreshold = Just 200, + strictnessBefore = [], + #ifndef OMIT_NATIVE_CODEGEN targetPlatform = defaultTargetPlatform, #endif @@ -605,6 +647,7 @@ defaultDynFlags = thisPackage = mainPackageId, objectDir = Nothing, + dylibInstallName = Nothing, hiDir = Nothing, stubDir = Nothing, @@ -614,7 +657,7 @@ defaultDynFlags = outputFile = Nothing, outputHi = Nothing, - dynLibLoader = Deployable, + dynLibLoader = SystemDependent, dumpPrefix = Nothing, dumpPrefixForce = Nothing, includePaths = [], @@ -622,6 +665,8 @@ defaultDynFlags = frameworkPaths = [], cmdlineFrameworks = [], tmpDir = cDEFAULT_TMPDIR, + rtsOpts = Nothing, + rtsOptsEnabled = RtsOptsSafeOnly, hpcDir = ".hpc", @@ -635,12 +680,14 @@ defaultDynFlags = opt_m = [], opt_l = [], opt_windres = [], + opt_lo = [], + opt_lc = [], extraPkgConfs = [], packageFlags = [], pkgDatabase = Nothing, pkgState = panic "no package state yet: call GHC.setSessionDynFlags", - wayNames = panic "defaultDynFlags: No wayNames", + ways = panic "defaultDynFlags: No ways", buildTag = panic "defaultDynFlags: No buildTag", rtsBuildTag = panic "defaultDynFlags: No rtsBuildTag", splitInfo = Nothing, @@ -661,6 +708,8 @@ defaultDynFlags = pgm_T = panic "defaultDynFlags: No pgm_T", pgm_sysman = panic "defaultDynFlags: No pgm_sysman", pgm_windres = panic "defaultDynFlags: No pgm_windres", + pgm_lo = panic "defaultDynFlags: No pgm_lo", + pgm_lc = panic "defaultDynFlags: No pgm_lc", -- end of initSysTools values -- ghc -M values depMakefile = "Makefile", @@ -675,17 +724,12 @@ defaultDynFlags = Opt_AutoLinkPackages, Opt_ReadUserPackageConf, - Opt_MonoPatBinds, -- Experimentally, I'm making this non-standard - -- behaviour the default, to see if anyone notices - -- SLPJ July 06 - - Opt_ImplicitPrelude, - Opt_MonomorphismRestriction, - Opt_MethodSharing, Opt_DoAsmMangling, + Opt_SharedImplib, + Opt_GenManifest, Opt_EmbedManifest, Opt_PrintBindContents @@ -694,11 +738,15 @@ defaultDynFlags = -- The default -O0 options ++ standardWarnings, + language = Nothing, + extensionFlags = Left [], + 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 @@ -707,9 +755,8 @@ defaultDynFlags = } {- - #verbosity_levels# - Verbosity levels: - +Note [Verbosity levels] +~~~~~~~~~~~~~~~~~~~~~~~ 0 | print errors & warnings only 1 | minimal verbosity: print "compiling M ... done." for each module. 2 | equivalent to -dshow-passes @@ -718,17 +765,121 @@ defaultDynFlags = 5 | "ghc -v -ddump-all" -} +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 + 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 + = Opt_MonoPatBinds -- Experimentally, I'm making this non-standard + -- behaviour the default, to see if anyone notices + -- SLPJ July 06 + : languageExtensions (Just Haskell2010) +languageExtensions (Just Haskell98) + = [Opt_ImplicitPrelude, + Opt_MonomorphismRestriction, + Opt_NPlusKPatterns, + Opt_DatatypeContexts] +languageExtensions (Just Haskell2010) + = [Opt_ImplicitPrelude, + Opt_MonomorphismRestriction, + Opt_DatatypeContexts, + 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 + +-- | 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) } + +-- | 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") + +-- | 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) } -- | Retrieve the options corresponding to a particular @opt_*@ field in the correct order getOpts :: DynFlags -- ^ 'DynFlags' to retrieve the options from @@ -744,10 +895,11 @@ getVerbFlag dflags | verbosity dflags >= 3 = "-v" | otherwise = "" -setObjectDir, setHiDir, setStubDir, setOutputDir, +setObjectDir, setHiDir, setStubDir, setOutputDir, setDylibInstallName, setObjectSuf, setHiSuf, setHcSuf, parseDynLibLoaderMode, setPgmP, setPgmL, setPgmF, setPgmc, setPgmm, setPgms, setPgma, setPgml, setPgmdll, setPgmwindres, - addOptL, addOptP, addOptF, addOptc, addOptm, addOpta, addOptl, addOptwindres, + setPgmlo, setPgmlc, + addOptL, addOptP, addOptF, addOptc, addOptm, addOpta, addOptl, addOptwindres, addOptlo, addOptlc, addCmdlineFramework, addHaddockOpts :: String -> DynFlags -> DynFlags setOutputFile, setOutputHi, setDumpPrefixForce @@ -759,6 +911,7 @@ setStubDir f d = d{ stubDir = Just f, includePaths = f : includePaths d } -- -stubdir D adds an implicit -I D, so that gcc can find the _stub.h file -- \#included from the .hc file when compiling with -fvia-C. setOutputDir f = setObjectDir f . setHiDir f . setStubDir f +setDylibInstallName f d = d{ dylibInstallName = Just f} setObjectSuf f d = d{ objectSuf = f} setHiSuf f d = d{ hiSuf = f} @@ -791,6 +944,8 @@ 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} @@ -800,6 +955,8 @@ 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} setDepMakefile :: FilePath -> DynFlags -> DynFlags setDepMakefile f d = d { depMakefile = deOptDep f } @@ -818,7 +975,7 @@ addDepSuffix s d = d { depSuffixes = deOptDep s : depSuffixes d } -- We used to use "-optdep-flag -optdeparg", so for legacy applications -- we need to strip the "-optdep" off of the arg deOptDep :: String -> String -deOptDep x = case maybePrefixMatch "-optdep" x of +deOptDep x = case stripPrefix "-optdep" x of Just rest -> rest Nothing -> x @@ -842,6 +999,10 @@ data Option String -- the filepath/filename portion | Option String +showOpt :: Option -> String +showOpt (FileOption pre f) = pre ++ f +showOpt (Option s) = s + ----------------------------------------------------------------------------- -- Setting the optimisation level @@ -870,6 +1031,8 @@ optLevelFlags , ([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) @@ -903,7 +1066,10 @@ standardWarnings Opt_WarnMissingFields, Opt_WarnMissingMethods, Opt_WarnDuplicateExports, - Opt_WarnDodgyForeignImports + Opt_WarnLazyUnliftedBindings, + Opt_WarnDodgyForeignImports, + Opt_WarnWrongDoBind, + Opt_WarnAlternativeLayoutRuleTransitional ] minusWOpts :: [DynFlag] @@ -913,6 +1079,7 @@ minusWOpts Opt_WarnUnusedMatches, Opt_WarnUnusedImports, Opt_WarnIncompletePatterns, + Opt_WarnDodgyExports, Opt_WarnDodgyImports ] @@ -923,7 +1090,8 @@ minusWallOpts Opt_WarnNameShadowing, Opt_WarnMissingSigs, Opt_WarnHiShadows, - Opt_WarnOrphans + Opt_WarnOrphans, + Opt_WarnUnusedDoBind ] -- minuswRemovesOpts should be every warning option @@ -939,242 +1107,6 @@ minuswRemovesOpts ] -- ----------------------------------------------------------------------------- --- CoreToDo: abstraction of core-to-core passes to run. - -data CoreToDo -- These are diff core-to-core passes, - -- which may be invoked in any order, - -- as many times as you like. - - = CoreDoSimplify -- The core-to-core simplifier. - SimplifierMode - [SimplifierSwitch] - -- Each run of the simplifier can take a different - -- set of simplifier-specific flags. - | CoreDoFloatInwards - | CoreDoFloatOutwards FloatOutSwitches - | CoreLiberateCase - | CoreDoPrintCore - | CoreDoStaticArgs - | CoreDoStrictness - | CoreDoWorkerWrapper - | CoreDoSpecialising - | CoreDoSpecConstr - | CoreDoOldStrictness - | CoreDoGlomBinds - | CoreCSE - | CoreDoRuleCheck Int{-CompilerPhase-} String -- Check for non-application of rules - -- matching this string - | CoreDoVectorisation PackageId - | CoreDoNothing -- Useful when building up - | CoreDoPasses [CoreToDo] -- lists of these things - - -data SimplifierMode -- See comments in SimplMonad - = SimplGently - | SimplPhase Int [String] - -instance Outputable SimplifierMode where - ppr SimplGently = ptext (sLit "gentle") - ppr (SimplPhase n ss) = int n <+> brackets (text (concat $ intersperse "," ss)) - - -data SimplifierSwitch - = MaxSimplifierIterations Int - | NoCaseOfCase - - -data FloatOutSwitches = FloatOutSwitches { - floatOutLambdas :: Bool, -- ^ True <=> float lambdas to top level - floatOutConstants :: Bool -- ^ True <=> float constants to top level, - -- even if they do not escape a lambda - } - -instance Outputable FloatOutSwitches where - ppr = pprFloatOutSwitches - -pprFloatOutSwitches :: FloatOutSwitches -> SDoc -pprFloatOutSwitches sw = pp_not (floatOutLambdas sw) <+> text "lambdas" <> comma - <+> pp_not (floatOutConstants sw) <+> text "constants" - where - pp_not True = empty - pp_not False = text "not" - --- | Switches that specify the minimum amount of floating out --- gentleFloatOutSwitches :: FloatOutSwitches --- gentleFloatOutSwitches = FloatOutSwitches False False - --- | Switches that do not specify floating out of lambdas, just of constants -constantsOnlyFloatOutSwitches :: FloatOutSwitches -constantsOnlyFloatOutSwitches = FloatOutSwitches False True - - --- The core-to-core pass ordering is derived from the DynFlags: -runWhen :: Bool -> CoreToDo -> CoreToDo -runWhen True do_this = do_this -runWhen False _ = CoreDoNothing - -runMaybe :: Maybe a -> (a -> CoreToDo) -> CoreToDo -runMaybe (Just x) f = f x -runMaybe Nothing _ = CoreDoNothing - -getCoreToDo :: DynFlags -> [CoreToDo] -getCoreToDo dflags - | Just todo <- coreToDo dflags = todo -- set explicitly by user - | otherwise = core_todo - where - opt_level = optLevel dflags - phases = simplPhases dflags - max_iter = maxSimplIterations dflags - strictness = dopt Opt_Strictness dflags - full_laziness = dopt Opt_FullLaziness dflags - cse = dopt Opt_CSE dflags - spec_constr = dopt Opt_SpecConstr dflags - liberate_case = dopt Opt_LiberateCase dflags - rule_check = ruleCheck dflags - static_args = dopt Opt_StaticArgumentTransformation dflags - - maybe_rule_check phase = runMaybe rule_check (CoreDoRuleCheck phase) - - simpl_phase phase names iter - = CoreDoPasses - [ CoreDoSimplify (SimplPhase phase names) [ - MaxSimplifierIterations iter - ], - maybe_rule_check phase - ] - - vectorisation - = runWhen (dopt Opt_Vectorise dflags) - $ CoreDoPasses [ simpl_gently, CoreDoVectorisation (dphPackage dflags) ] - - - -- By default, we have 2 phases before phase 0. - - -- Want to run with inline phase 2 after the specialiser to give - -- maximum chance for fusion to work before we inline build/augment - -- in phase 1. This made a difference in 'ansi' where an - -- overloaded function wasn't inlined till too late. - - -- Need phase 1 so that build/augment get - -- inlined. I found that spectral/hartel/genfft lost some useful - -- strictness in the function sumcode' if augment is not inlined - -- before strictness analysis runs - simpl_phases = CoreDoPasses [ simpl_phase phase ["main"] max_iter - | phase <- [phases, phases-1 .. 1] ] - - - -- initial simplify: mk specialiser happy: minimum effort please - simpl_gently = CoreDoSimplify SimplGently [ - -- Simplify "gently" - -- Don't inline anything till full laziness has bitten - -- In particular, inlining wrappers inhibits floating - -- e.g. ...(case f x of ...)... - -- ==> ...(case (case x of I# x# -> fw x#) of ...)... - -- ==> ...(case x of I# x# -> case fw x# of ...)... - -- and now the redex (f x) isn't floatable any more - -- Similarly, don't apply any rules until after full - -- laziness. Notably, list fusion can prevent floating. - - NoCaseOfCase, -- Don't do case-of-case transformations. - -- This makes full laziness work better - MaxSimplifierIterations max_iter - ] - - core_todo = - if opt_level == 0 then - [vectorisation, - simpl_phase 0 ["final"] max_iter] - else {- opt_level >= 1 -} [ - - -- We want to do the static argument transform before full laziness as it - -- may expose extra opportunities to float things outwards. However, to fix - -- up the output of the transformation we need at do at least one simplify - -- after this before anything else - runWhen static_args (CoreDoPasses [ simpl_gently, CoreDoStaticArgs ]), - - -- We run vectorisation here for now, but we might also try to run - -- it later - vectorisation, - - -- initial simplify: mk specialiser happy: minimum effort please - simpl_gently, - - -- Specialisation is best done before full laziness - -- so that overloaded functions have all their dictionary lambdas manifest - CoreDoSpecialising, - - runWhen full_laziness (CoreDoFloatOutwards constantsOnlyFloatOutSwitches), - -- Was: gentleFloatOutSwitches - -- I have no idea why, but not floating constants to top level is - -- very bad in some cases. - -- Notably: p_ident in spectral/rewrite - -- Changing from "gentle" to "constantsOnly" improved - -- rewrite's allocation by 19%, and made 0.0% difference - -- to any other nofib benchmark - - CoreDoFloatInwards, - - simpl_phases, - - -- Phase 0: allow all Ids to be inlined now - -- This gets foldr inlined before strictness analysis - - -- At least 3 iterations because otherwise we land up with - -- huge dead expressions because of an infelicity in the - -- simpifier. - -- let k = BIG in foldr k z xs - -- ==> let k = BIG in letrec go = \xs -> ...(k x).... in go xs - -- ==> let k = BIG in letrec go = \xs -> ...(BIG x).... in go xs - -- Don't stop now! - simpl_phase 0 ["main"] (max max_iter 3), - - -#ifdef OLD_STRICTNESS - CoreDoOldStrictness, -#endif - runWhen strictness (CoreDoPasses [ - CoreDoStrictness, - CoreDoWorkerWrapper, - CoreDoGlomBinds, - simpl_phase 0 ["post-worker-wrapper"] max_iter - ]), - - runWhen full_laziness - (CoreDoFloatOutwards constantsOnlyFloatOutSwitches), - -- nofib/spectral/hartel/wang doubles in speed if you - -- do full laziness late in the day. It only happens - -- after fusion and other stuff, so the early pass doesn't - -- catch it. For the record, the redex is - -- f_el22 (f_el21 r_midblock) - - - runWhen cse CoreCSE, - -- We want CSE to follow the final full-laziness pass, because it may - -- succeed in commoning up things floated out by full laziness. - -- CSE used to rely on the no-shadowing invariant, but it doesn't any more - - CoreDoFloatInwards, - - maybe_rule_check 0, - - -- Case-liberation for -O2. This should be after - -- strictness analysis and the simplification which follows it. - runWhen liberate_case (CoreDoPasses [ - CoreLiberateCase, - simpl_phase 0 ["post-liberate-case"] max_iter - ]), -- Run the simplifier after LiberateCase to vastly - -- reduce the possiblility of shadowing - -- Reason: see Note [Shadowing] in SpecConstr.lhs - - runWhen spec_constr CoreDoSpecConstr, - - maybe_rule_check 0, - - -- Final clean-up simplification: - simpl_phase 0 ["final"] max_iter - ] - --- ----------------------------------------------------------------------------- -- StgToDo: abstraction of stg-to-stg passes to run. data StgToDo @@ -1185,8 +1117,7 @@ data StgToDo getStgToDo :: DynFlags -> [StgToDo] getStgToDo dflags - | Just todo <- stgToDo dflags = todo -- set explicitly by user - | otherwise = todo2 + = todo2 where stg_stats = dopt Opt_StgStats dflags @@ -1205,21 +1136,27 @@ allFlags = map ('-':) $ [ flagName flag | flag <- dynamic_flags, ok (flagOptKind flag) ] ++ map ("fno-"++) flags ++ map ("f"++) flags ++ - map ("X"++) supportedLanguages ++ - map ("XNo"++) supportedLanguages + map ("f"++) flags' ++ + map ("X"++) supportedExtensions where ok (PrefixPred _ _) = False ok _ = True flags = [ name | (name, _, _) <- fFlags ] + flags' = [ name | (name, _, _) <- fLangFlags ] dynamic_flags :: [Flag DynP] dynamic_flags = [ Flag "n" (NoArg (setDynFlag Opt_DryRun)) Supported - , Flag "cpp" (NoArg (setDynFlag Opt_Cpp)) Supported + , Flag "cpp" (NoArg (setExtensionFlag Opt_Cpp)) Supported , Flag "F" (NoArg (setDynFlag Opt_Pp)) Supported - , Flag "#include" (HasArg (addCmdlineHCInclude)) Supported + , Flag "#include" (HasArg (addCmdlineHCInclude)) + (DeprecatedFullText "-#include and INCLUDE pragmas are deprecated: They no longer have any effect") , Flag "v" (OptIntSuffix setVerbosity) Supported ------- 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 @@ -1231,6 +1168,10 @@ dynamic_flags = [ , Flag "pgmdll" (HasArg (upd . setPgmdll)) Supported , Flag "pgmwindres" (HasArg (upd . setPgmwindres)) Supported + -- 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 @@ -1265,14 +1206,13 @@ dynamic_flags = [ (Deprecated "Use -exclude-module instead") -------- Linking ---------------------------------------------------- - , Flag "c" (NoArg (upd $ \d -> d{ ghcLink=NoLink } )) - Supported , Flag "no-link" (NoArg (upd $ \d -> d{ ghcLink=NoLink } )) - (Deprecated "Use -c instead") + Supported , Flag "shared" (NoArg (upd $ \d -> d{ ghcLink=LinkDynLib } )) Supported , Flag "dynload" (HasArg (upd . parseDynLibLoaderMode)) Supported + , Flag "dylib-install-name" (HasArg (upd . setDylibInstallName)) Supported ------- Libraries --------------------------------------------------- , Flag "L" (Prefix addLibraryPath ) Supported @@ -1305,12 +1245,20 @@ dynamic_flags = [ , 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 -- This only makes sense as plural , Flag "keep-tmp-files" (NoArg (setDynFlag Opt_KeepTmpFiles)) Supported ------- 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 @@ -1360,6 +1308,11 @@ dynamic_flags = [ Supported , 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) @@ -1422,7 +1375,8 @@ dynamic_flags = [ Supported , Flag "dsource-stats" (setDumpFlag Opt_D_source_stats) Supported - , Flag "dverbose-core2core" (NoArg setVerboseCore2Core) + , Flag "dverbose-core2core" (NoArg (do { setVerbosity (Just 2) + ; setVerboseCore2Core })) Supported , Flag "dverbose-stg2stg" (setDumpFlag Opt_D_verbose_stg2stg) Supported @@ -1469,6 +1423,9 @@ dynamic_flags = [ , Flag "monly-4-regs" (NoArg (upd (\s -> s{stolen_x86_regs = 4}) )) Supported + , Flag "msse2" (NoArg (setDynFlag Opt_SSE2)) + Supported + ------ Warning opts ------------------------------------------------- , Flag "W" (NoArg (mapM_ setDynFlag minusWOpts)) Supported @@ -1525,6 +1482,10 @@ dynamic_flags = [ (IntSuffix $ \n -> upd $ \dfs -> dfs{ ctxtStkDepth = n }) Supported + , Flag "fstrictness-before" + (IntSuffix (\n -> upd (\dfs -> dfs{ strictnessBefore = n : strictnessBefore dfs }))) + Supported + ------ Profiling ---------------------------------------------------- -- XXX Should the -f* flags be deprecated? @@ -1572,22 +1533,30 @@ dynamic_flags = [ ------ Compiler flags ----------------------------------------------- , Flag "fasm" (NoArg (setObjTarget HscAsm)) Supported - , Flag "fvia-c" (NoArg (setObjTarget HscC)) Supported - , Flag "fvia-C" (NoArg (setObjTarget HscC)) Supported - - , Flag "fno-code" (NoArg (setTarget HscNothing)) 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 "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 (mapM_ setDynFlag glasgowExtsFlags)) + , Flag "fglasgow-exts" (NoArg enableGlasgowExts) Supported - , Flag "fno-glasgow-exts" (NoArg (mapM_ unSetDynFlag glasgowExtsFlags)) + , Flag "fno-glasgow-exts" (NoArg disableGlasgowExts) Supported ] ++ map (mkFlag True "f" setDynFlag ) fFlags ++ map (mkFlag False "fno-" unSetDynFlag) fFlags - ++ map (mkFlag True "X" setDynFlag ) xFlags - ++ map (mkFlag False "XNo" unSetDynFlag) xFlags + ++ 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] package_flags = [ @@ -1596,6 +1565,7 @@ package_flags = [ , 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)) @@ -1608,15 +1578,15 @@ package_flags = [ mkFlag :: Bool -- ^ True <=> it should be turned on -> String -- ^ The flag prefix - -> (DynFlag -> DynP ()) - -> (String, DynFlag, Bool -> Deprecated) + -> (flag -> DynP ()) + -> (String, flag, Bool -> Deprecated) -> Flag DynP -mkFlag turnOn flagPrefix f (name, dynflag, deprecated) - = Flag (flagPrefix ++ name) (NoArg (f dynflag)) (deprecated turnOn) +mkFlag turnOn flagPrefix f (name, flag, deprecated) + = Flag (flagPrefix ++ name) (NoArg (f flag)) (deprecated turnOn) -deprecatedForLanguage :: String -> Bool -> Deprecated -deprecatedForLanguage lang turn_on - = Deprecated ("use -X" ++ flag ++ " or pragma {-# LANGUAGE " ++ flag ++ "#-} instead") +deprecatedForExtension :: String -> Bool -> Deprecated +deprecatedForExtension lang turn_on + = Deprecated ("use -X" ++ flag ++ " or pragma {-# LANGUAGE " ++ flag ++ " #-} instead") where flag | turn_on = lang | otherwise = "No"++lang @@ -1631,6 +1601,7 @@ useInstead flag turn_on fFlags :: [(String, DynFlag, Bool -> Deprecated)] 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 ), @@ -1638,6 +1609,7 @@ fFlags = [ ( "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 ), @@ -1654,8 +1626,15 @@ fFlags = [ ( "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 ), @@ -1663,6 +1642,7 @@ fFlags = [ ( "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 ), @@ -1670,7 +1650,6 @@ fFlags = [ ( "unbox-strict-fields", Opt_UnboxStrictFields, const Supported ), ( "method-sharing", Opt_MethodSharing, const Supported ), ( "dicts-cheap", Opt_DictsCheap, const Supported ), - ( "inline-if-enough-args", Opt_InlineIfEnoughArgs, const Supported ), ( "excess-precision", Opt_ExcessPrecision, const Supported ), ( "eager-blackholing", Opt_EagerBlackHoling, const Supported ), ( "asm-mangling", Opt_DoAsmMangling, const Supported ), @@ -1690,55 +1669,73 @@ fFlags = [ ( "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 ) + ] + +-- | These @-f\@ flags can all be reversed with @-fno-\@ +fLangFlags :: [(String, ExtensionFlag, Bool -> Deprecated)] +fLangFlags = [ ( "th", Opt_TemplateHaskell, - deprecatedForLanguage "TemplateHaskell" ), + deprecatedForExtension "TemplateHaskell" ), ( "fi", Opt_ForeignFunctionInterface, - deprecatedForLanguage "ForeignFunctionInterface" ), + deprecatedForExtension "ForeignFunctionInterface" ), ( "ffi", Opt_ForeignFunctionInterface, - deprecatedForLanguage "ForeignFunctionInterface" ), + deprecatedForExtension "ForeignFunctionInterface" ), ( "arrows", Opt_Arrows, - deprecatedForLanguage "Arrows" ), + deprecatedForExtension "Arrows" ), ( "generics", Opt_Generics, - deprecatedForLanguage "Generics" ), + deprecatedForExtension "Generics" ), ( "implicit-prelude", Opt_ImplicitPrelude, - deprecatedForLanguage "ImplicitPrelude" ), + deprecatedForExtension "ImplicitPrelude" ), ( "bang-patterns", Opt_BangPatterns, - deprecatedForLanguage "BangPatterns" ), + deprecatedForExtension "BangPatterns" ), ( "monomorphism-restriction", Opt_MonomorphismRestriction, - deprecatedForLanguage "MonomorphismRestriction" ), + deprecatedForExtension "MonomorphismRestriction" ), ( "mono-pat-binds", Opt_MonoPatBinds, - deprecatedForLanguage "MonoPatBinds" ), + deprecatedForExtension "MonoPatBinds" ), ( "extended-default-rules", Opt_ExtendedDefaultRules, - deprecatedForLanguage "ExtendedDefaultRules" ), + deprecatedForExtension "ExtendedDefaultRules" ), ( "implicit-params", Opt_ImplicitParams, - deprecatedForLanguage "ImplicitParams" ), + deprecatedForExtension "ImplicitParams" ), ( "scoped-type-variables", Opt_ScopedTypeVariables, - deprecatedForLanguage "ScopedTypeVariables" ), + deprecatedForExtension "ScopedTypeVariables" ), ( "parr", Opt_PArr, - deprecatedForLanguage "PArr" ), + deprecatedForExtension "PArr" ), ( "allow-overlapping-instances", Opt_OverlappingInstances, - deprecatedForLanguage "OverlappingInstances" ), + deprecatedForExtension "OverlappingInstances" ), ( "allow-undecidable-instances", Opt_UndecidableInstances, - deprecatedForLanguage "UndecidableInstances" ), + deprecatedForExtension "UndecidableInstances" ), ( "allow-incoherent-instances", Opt_IncoherentInstances, - deprecatedForLanguage "IncoherentInstances" ), - ( "gen-manifest", Opt_GenManifest, const Supported ), - ( "embed-manifest", Opt_EmbedManifest, const Supported ), - ( "implicit-import-qualified", Opt_ImplicitImportQualified, const Supported ) + deprecatedForExtension "IncoherentInstances" ) ] supportedLanguages :: [String] -supportedLanguages = [ name | (name, _, _) <- xFlags ] +supportedLanguages = [ name | (name, _, _) <- languageFlags ] --- This may contain duplicates -languageOptions :: [DynFlag] -languageOptions = [ dynFlag | (_, dynFlag, _) <- xFlags ] +supportedExtensions :: [String] +supportedExtensions = [ name' | (name, _, _) <- xFlags, name' <- [name, "No" ++ name] ] + +supportedLanguagesAndExtensions :: [String] +supportedLanguagesAndExtensions = supportedLanguages ++ supportedExtensions + +-- | These -X flags cannot be reversed with -XNo +languageFlags :: [(String, Language, Bool -> Deprecated)] +languageFlags = [ + ( "Haskell98", Haskell98, const Supported ), + ( "Haskell2010", Haskell2010, const Supported ) + ] -- | These -X flags can all be reversed with -XNo -xFlags :: [(String, DynFlag, Bool -> Deprecated)] +xFlags :: [(String, ExtensionFlag, Bool -> Deprecated)] 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 ), @@ -1750,45 +1747,55 @@ xFlags = [ ( "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 Supported ), + ( "ImpredicativeTypes", Opt_ImpredicativeTypes, + const $ Deprecated "impredicative polymorphism will be simplified or removed in GHC 6.14" ), ( "TypeOperators", Opt_TypeOperators, const Supported ), - ( "RecursiveDo", Opt_RecursiveDo, const Supported ), + ( "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 ), - -- On by default: ( "ImplicitPrelude", Opt_ImplicitPrelude, const Supported ), ( "RecordWildCards", Opt_RecordWildCards, const Supported ), ( "NamedFieldPuns", Opt_RecordPuns, const Supported ), ( "RecordPuns", Opt_RecordPuns, - deprecatedForLanguage "NamedFieldPuns" ), + 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 ), - -- On by default: ( "MonomorphismRestriction", Opt_MonomorphismRestriction, const Supported ), - -- On by default (which is not strictly H98): + ( "NPlusKPatterns", Opt_NPlusKPatterns, const Supported ), + ( "DoAndIfThenElse", Opt_DoAndIfThenElse, 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 ), ( "PatternSignatures", Opt_ScopedTypeVariables, - deprecatedForLanguage "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 ), @@ -1800,12 +1807,20 @@ xFlags = [ ( "UndecidableInstances", Opt_UndecidableInstances, const Supported ), ( "IncoherentInstances", Opt_IncoherentInstances, const Supported ), ( "PackageImports", Opt_PackageImports, const Supported ), - ( "NewQualifiedOperators", Opt_NewQualifiedOperators, const Supported ) + ( "NewQualifiedOperators", Opt_NewQualifiedOperators, + const $ Deprecated "The new qualified operator syntax was rejected by Haskell'" ) ] -impliedFlags :: [(DynFlag, DynFlag)] +impliedFlags :: [(ExtensionFlag, ExtensionFlag)] impliedFlags - = [ (Opt_GADTs, Opt_RelaxedPolyRec) -- We want type-sig variables to + = [ (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 @@ -1815,12 +1830,25 @@ impliedFlags , (Opt_ScopedTypeVariables, Opt_RelaxedPolyRec) -- Ditto for scoped type variables; see -- Note [Scoped tyvars] in TcBinds , (Opt_ImpredicativeTypes, 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) ] -glasgowExtsFlags :: [DynFlag] +enableGlasgowExts :: DynP () +enableGlasgowExts = do setDynFlag Opt_PrintExplicitForalls + mapM_ setExtensionFlag glasgowExtsFlags + +disableGlasgowExts :: DynP () +disableGlasgowExts = do unSetDynFlag Opt_PrintExplicitForalls + mapM_ unSetExtensionFlag glasgowExtsFlags + +glasgowExtsFlags :: [ExtensionFlag] glasgowExtsFlags = [ - Opt_PrintExplicitForalls - , Opt_ForeignFunctionInterface + Opt_ForeignFunctionInterface , Opt_UnliftedFFITypes , Opt_GADTs , Opt_ImplicitParams @@ -1830,6 +1858,8 @@ glasgowExtsFlags = [ , Opt_StandaloneDeriving , Opt_DeriveDataTypeable , Opt_DeriveFunctor + , Opt_DeriveFoldable + , Opt_DeriveTraversable , Opt_FlexibleContexts , Opt_FlexibleInstances , Opt_ConstrainedClassMethods @@ -1844,7 +1874,7 @@ glasgowExtsFlags = [ , Opt_LiberalTypeSynonyms , Opt_RankNTypes , Opt_TypeOperators - , Opt_RecursiveDo + , Opt_DoRec , Opt_ParallelListComp , Opt_EmptyDataDecls , Opt_KindSignatures @@ -1877,7 +1907,7 @@ parseDynamicNoPackageFlags dflags args = parseDynamicFlags_ dflags args False parseDynamicFlags_ :: Monad m => DynFlags -> [Located String] -> Bool -> m (DynFlags, [Located String], [Located String]) -parseDynamicFlags_ dflags args pkg_flags = do +parseDynamicFlags_ dflags0 args pkg_flags = do -- XXX Legacy support code -- We used to accept things like -- optdep-f -optdepdepend @@ -1894,10 +1924,23 @@ parseDynamicFlags_ dflags args pkg_flags = do flag_spec | pkg_flags = package_flags ++ dynamic_flags | otherwise = dynamic_flags - let ((leftover, errs, warns), dflags') - = runCmdLine (processArgs flag_spec args') dflags + let ((leftover, errs, warns), dflags1) + = runCmdLine (processArgs flag_spec args') dflags0 when (not (null errs)) $ ghcError $ errorsToGhcException errs - return (dflags', leftover, warns) + + -- 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) + + return (dflags2, leftover, pic_warns ++ warns) type DynP = CmdLineP DynFlags @@ -1908,22 +1951,35 @@ upd f = do -------------------------- setDynFlag, unSetDynFlag :: DynFlag -> DynP () -setDynFlag f = do { upd (\dfs -> dopt_set dfs f) - ; mapM_ setDynFlag deps } +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 } where deps = [ d | (f', d) <- impliedFlags, f' == f ] -- When you set f, set the ones it implies - -- NB: use setDynFlag recursively, in case the implied flags - -- implies further flags + -- 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) -unSetDynFlag f = upd (\dfs -> dopt_unset dfs f) +unSetExtensionFlag f = upd (\dfs -> lopt_unset dfs f) -------------------------- setDumpFlag :: DynFlag -> OptKind DynP -setDumpFlag dump_flag - = NoArg (setDynFlag dump_flag >> when want_recomp forceRecompile) +setDumpFlag dump_flag = NoArg (setDumpFlag' dump_flag) + +setDumpFlag' :: DynFlag -> DynP () +setDumpFlag' dump_flag + = do { setDynFlag dump_flag + ; when want_recomp forceRecompile } where -- Certain dumpy-things are really interested in what's going -- on during recompilation checking, so in those cases we @@ -1942,41 +1998,16 @@ forceRecompile = do { dfs <- getCmdLineState force_recomp dfs = isOneShot (ghcMode dfs) setVerboseCore2Core :: DynP () -setVerboseCore2Core = do setDynFlag Opt_D_verbose_core2core - forceRecompile - upd (\s -> s { shouldDumpSimplPhase = const True }) +setVerboseCore2Core = do forceRecompile + setDynFlag Opt_D_verbose_core2core + upd (\dfs -> dfs { shouldDumpSimplPhase = Nothing }) + setDumpSimplPhases :: String -> DynP () setDumpSimplPhases s = do forceRecompile - upd (\s -> s { shouldDumpSimplPhase = spec }) + upd (\dfs -> dfs { shouldDumpSimplPhase = Just spec }) where - spec :: SimplifierMode -> Bool - spec = join (||) - . map (join (&&) . map match . split ':') - . split ',' - $ case s of - '=' : s' -> s' - _ -> s - - join :: (Bool -> Bool -> Bool) - -> [SimplifierMode -> Bool] - -> SimplifierMode -> Bool - join _ [] = const True - join op ss = foldr1 (\f g x -> f x `op` g x) ss - - match :: String -> SimplifierMode -> Bool - match "" = const True - match s = case reads s of - [(n,"")] -> phase_num n - _ -> phase_name s - - phase_num :: Int -> SimplifierMode -> Bool - phase_num n (SimplPhase k _) = n == k - phase_num _ _ = False - - phase_name :: String -> SimplifierMode -> Bool - phase_name s SimplGently = s == "gentle" - phase_name s (SimplPhase _ ss) = s `elem` ss + spec = case s of { ('=' : s') -> s'; _ -> s } setVerbosity :: Maybe Int -> DynP () setVerbosity mb_n = upd (\dfs -> dfs{ verbosity = mb_n `orElse` 3 }) @@ -1987,22 +2018,18 @@ addCmdlineHCInclude a = upd (\s -> s{cmdlineHcIncludes = a : cmdlineHcIncludes extraPkgConf_ :: FilePath -> DynP () extraPkgConf_ p = upd (\s -> s{ extraPkgConfs = p : extraPkgConfs s }) -exposePackage, hidePackage, ignorePackage :: String -> DynP () +exposePackage, exposePackageId, hidePackage, ignorePackage :: String -> DynP () exposePackage p = upd (\s -> s{ packageFlags = ExposePackage p : packageFlags s }) +exposePackageId p = + upd (\s -> s{ packageFlags = ExposePackageId p : packageFlags s }) hidePackage p = upd (\s -> s{ packageFlags = HidePackage p : packageFlags s }) ignorePackage p = upd (\s -> s{ packageFlags = IgnorePackage p : packageFlags s }) setPackageName :: String -> DynFlags -> DynFlags -setPackageName p - | Nothing <- unpackPackageId pid - = ghcError (CmdLineError ("cannot parse \'" ++ p ++ "\' as a package identifier")) - | otherwise - = \s -> s{ thisPackage = pid } - where - pid = stringToPackageId p +setPackageName p s = s{ thisPackage = stringToPackageId p } -- If we're linking a binary, then only targets that produce object -- code are allowed (requests for other target types are ignored). @@ -2055,7 +2082,6 @@ setDPHOpt dflags = setOptLevel 2 (dflags { maxSimplIterations = 20 }) `dopt_set` Opt_DictsCheap `dopt_unset` Opt_MethodSharing - `dopt_set` Opt_InlineIfEnoughArgs data DPHBackend = DPHPar | DPHSeq @@ -2093,13 +2119,6 @@ setMainIs arg where (main_mod, main_fn) = splitLongestPrefix arg (== '.') --- | Get the unqualified name of the function to use as the \"main\" for the main module. --- Either returns the default name or the one configured on the command line with -main-is -getMainFun :: DynFlags -> RdrName -getMainFun dflags = case (mainFunIs dflags) of - Just fn -> mkRdrUnqual (mkVarOccFS (mkFastString fn)) - Nothing -> main_RDR_Unqual - ----------------------------------------------------------------------------- -- Paths & Libraries @@ -2185,6 +2204,15 @@ setTmpDir dir dflags = dflags{ tmpDir = normalise dir } -- seem necessary now --SDM 7/2/2008 ----------------------------------------------------------------------------- +-- RTS opts + +setRtsOpts :: String -> DynP () +setRtsOpts arg = upd $ \ d -> d {rtsOpts = Just arg} + +setRtsOptsEnabled :: RtsOptsEnabled -> DynP () +setRtsOptsEnabled arg = upd $ \ d -> d {rtsOptsEnabled = arg} + +----------------------------------------------------------------------------- -- Hpc stuff setOptHpcDir :: String -> DynP () @@ -2241,10 +2269,20 @@ machdepCCOpts _dflags -- -fomit-frame-pointer : *must* in .hc files; because we're stealing -- the fp (%ebp) for our register maps. = let n_regs = stolen_x86_regs _dflags - sta = opt_Static in - ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else "" + ( +#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 @@ -2258,7 +2296,13 @@ machdepCCOpts _dflags = ( [], ["-fomit-frame-pointer", "-G0"] ) #elif x86_64_TARGET_ARCH - = ( [], ["-fomit-frame-pointer", + = ( +#if darwin_TARGET_OS + ["-m64"], +#else + [], +#endif + ["-fomit-frame-pointer", "-fno-asynchronous-unwind-tables", -- the unwind tables are unnecessary for HC code, -- and get in the way of -split-objs. Another option @@ -2308,6 +2352,11 @@ picCCOpts _dflags | otherwise = [] #else + -- we need -fPIC for C files when we are compiling with -dynamic, + -- otherwise things like stub.c files don't get compiled + -- correctly. They need to reference data in the Haskell + -- objects, but can't without -fPIC. See + -- http://hackage.haskell.org/trac/ghc/wiki/Commentary/PositionIndependentCode | opt_PIC || not opt_Static = ["-fPIC", "-U __PIC__", "-D__PIC__"] | otherwise @@ -2323,21 +2372,28 @@ can_split = cSplitObjs == "YES" -- ----------------------------------------------------------------------------- -- Compiler Info -compilerInfo :: [(String, String)] -compilerInfo = [("Project name", cProjectName), - ("Project version", cProjectVersion), - ("Booter version", cBooterVersion), - ("Stage", cStage), - ("Interface file version", cHscIfaceFileVersion), - ("Have interpreter", cGhcWithInterpreter), - ("Object splitting", cSplitObjs), - ("Have native code generator", cGhcWithNativeCodeGen), - ("Support SMP", cGhcWithSMP), - ("Unregisterised", cGhcUnregisterised), - ("Tables next to code", cGhcEnableTablesNextToCode), - ("Win32 DLLs", cEnableWin32DLLs), - ("RTS ways", cGhcRTSWays), - ("Leading underscore", cLeadingUnderscore), - ("Debug on", show debugIsOn) +data Printable = String String + | FromDynFlags (DynFlags -> String) + +compilerInfo :: [(String, Printable)] +compilerInfo = [("Project name", String cProjectName), + ("Project version", String cProjectVersion), + ("Booter version", String cBooterVersion), + ("Stage", String cStage), + ("Build platform", String cBuildPlatform), + ("Host platform", String cHostPlatform), + ("Target platform", String cTargetPlatform), + ("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), + ("RTS ways", String cGhcRTSWays), + ("Leading underscore", String cLeadingUnderscore), + ("Debug on", String (show debugIsOn)), + ("LibDir", FromDynFlags topDir), + ("Global Package DB", FromDynFlags systemPackageConfig) ]