Cabal-2.4.1.0: Distribution/Simple/Program/GHC.hs
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE ScopedTypeVariables #-}
module Distribution.Simple.Program.GHC (
GhcOptions(..),
GhcMode(..),
GhcOptimisation(..),
GhcDynLinkMode(..),
GhcProfAuto(..),
ghcInvocation,
renderGhcOptions,
runGHC,
packageDbArgsDb,
normaliseGhcArgs
) where
import Prelude ()
import Distribution.Compat.Prelude
import Distribution.Backpack
import Distribution.Simple.GHC.ImplInfo
import Distribution.PackageDescription hiding (Flag)
import Distribution.ModuleName
import Distribution.Simple.Compiler hiding (Flag)
import qualified Distribution.Simple.Compiler as Compiler (Flag)
import Distribution.Simple.Flag
import Distribution.Simple.Program.Types
import Distribution.Simple.Program.Run
import Distribution.System
import Distribution.Text
import Distribution.Types.ComponentId
import Distribution.Verbosity
import Distribution.Version
import Distribution.Utils.NubList
import Language.Haskell.Extension
import Data.List (stripPrefix)
import qualified Data.Map as Map
import Data.Monoid (All(..), Any(..), Endo(..), First(..), Last(..))
import Data.Set (Set)
import qualified Data.Set as Set
normaliseGhcArgs :: Maybe Version -> PackageDescription -> [String] -> [String]
normaliseGhcArgs (Just ghcVersion) PackageDescription{..} ghcArgs
| ghcVersion `withinRange` supportedGHCVersions
= argumentFilters . filter simpleFilters . filterRtsOpts $ ghcArgs
where
supportedGHCVersions :: VersionRange
supportedGHCVersions = intersectVersionRanges
(orLaterVersion (mkVersion [8,0]))
(earlierVersion (mkVersion [8,7]))
from :: Monoid m => [Int] -> m -> m
from version flags
| ghcVersion `withinRange` orLaterVersion (mkVersion version) = flags
| otherwise = mempty
to :: Monoid m => [Int] -> m -> m
to version flags
| ghcVersion `withinRange` earlierVersion (mkVersion version) = flags
| otherwise = mempty
checkGhcFlags :: forall m . Monoid m => ([String] -> m) -> m
checkGhcFlags fun = mconcat
[ fun ghcArgs
, checkComponentFlags libBuildInfo pkgLibs
, checkComponentFlags buildInfo executables
, checkComponentFlags testBuildInfo testSuites
, checkComponentFlags benchmarkBuildInfo benchmarks
]
where
pkgLibs = maybeToList library ++ subLibraries
checkComponentFlags :: (a -> BuildInfo) -> [a] -> m
checkComponentFlags getInfo = foldMap (checkComponent . getInfo)
where
checkComponent :: BuildInfo -> m
checkComponent = foldMap fun . filterGhcOptions . allGhcOptions
allGhcOptions :: BuildInfo -> [(CompilerFlavor, [String])]
allGhcOptions =
mconcat [options, profOptions, sharedOptions, staticOptions]
filterGhcOptions :: [(CompilerFlavor, [String])] -> [[String]]
filterGhcOptions l = [opts | (GHC, opts) <- l]
safeToFilterWarnings :: Bool
safeToFilterWarnings = getAll $ checkGhcFlags checkWarnings
where
checkWarnings :: [String] -> All
checkWarnings = All . Set.null . foldr alter Set.empty
alter :: String -> Set String -> Set String
alter flag = appEndo $ mconcat
[ \s -> Endo $ if s == "-Werror" then Set.insert s else id
, \s -> Endo $ if s == "-Wwarn" then const Set.empty else id
, \s -> from [8,6] . Endo $
if s == "-Werror=compat"
then Set.union compatWarningSet else id
, \s -> from [8,6] . Endo $
if s == "-Wno-error=compat"
then (`Set.difference` compatWarningSet) else id
, \s -> from [8,6] . Endo $
if s == "-Wwarn=compat"
then (`Set.difference` compatWarningSet) else id
, from [8,4] $ markFlag "-Werror=" Set.insert
, from [8,4] $ markFlag "-Wwarn=" Set.delete
, from [8,4] $ markFlag "-Wno-error=" Set.delete
] flag
markFlag
:: String
-> (String -> Set String -> Set String)
-> String
-> Endo (Set String)
markFlag name update flag = Endo $ case stripPrefix name flag of
Just rest | not (null rest) && rest /= "compat" -> update rest
_ -> id
flagArgumentFilter :: [String] -> [String] -> [String]
flagArgumentFilter flags = go
where
makeFilter :: String -> String -> First ([String] -> [String])
makeFilter flag arg = First $ filterRest <$> stripPrefix flag arg
where
filterRest leftOver = case dropEq leftOver of
[] -> drop 1
_ -> id
checkFilter :: String -> Maybe ([String] -> [String])
checkFilter = getFirst . mconcat (map makeFilter flags)
go :: [String] -> [String]
go [] = []
go (arg:args) = case checkFilter arg of
Just f -> go (f args)
Nothing -> arg : go args
argumentFilters :: [String] -> [String]
argumentFilters = flagArgumentFilter
["-ghci-script", "-H", "-interactive-print"]
filterRtsOpts :: [String] -> [String]
filterRtsOpts = go False
where
go :: Bool -> [String] -> [String]
go _ [] = []
go _ ("+RTS":opts) = go True opts
go _ ("-RTS":opts) = go False opts
go isRTSopts (opt:opts) = addOpt $ go isRTSopts opts
where
addOpt | isRTSopts = id
| otherwise = (opt:)
simpleFilters :: String -> Bool
simpleFilters = not . getAny . mconcat
[ flagIn simpleFlags
, Any . isPrefixOf "-ddump-"
, Any . isPrefixOf "-dsuppress-"
, Any . isPrefixOf "-dno-suppress-"
, flagIn $ invertibleFlagSet "-" ["ignore-dot-ghci"]
, flagIn . invertibleFlagSet "-f" . mconcat $
[ [ "reverse-errors", "warn-unused-binds", "break-on-error"
, "break-on-exception", "print-bind-result"
, "print-bind-contents", "print-evld-with-show"
, "implicit-import-qualified", "error-spans"
]
, from [8,2]
[ "diagnostics-show-caret", "local-ghci-history"
, "show-warning-groups", "hide-source-paths"
, "show-hole-constraints"
]
, from [8,4] ["show-loaded-modules"]
, from [8,6] [ "ghci-leak-check", "no-it" ]
]
, flagIn . invertibleFlagSet "-d" $ [ "ppr-case-as-let", "ppr-ticks" ]
, isOptIntFlag
, isIntFlag
, if safeToFilterWarnings
then isWarning <> (Any . ("-w"==))
else mempty
, from [8,6] $
if safeToFilterHoles
then isTypedHoleFlag
else mempty
]
flagIn :: Set String -> String -> Any
flagIn set flag = Any $ Set.member flag set
isWarning :: String -> Any
isWarning = mconcat $ map ((Any .) . isPrefixOf)
["-fwarn-", "-fno-warn-", "-W", "-Wno-"]
simpleFlags :: Set String
simpleFlags = Set.fromList . mconcat $
[ [ "-n", "-#include", "-Rghc-timing", "-dsuppress-all", "-dstg-stats"
, "-dth-dec-file", "-dsource-stats", "-dverbose-core2core"
, "-dverbose-stg2stg", "-dcore-lint", "-dstg-lint", "-dcmm-lint"
, "-dasm-lint", "-dannot-lint", "-dshow-passes", "-dfaststring-stats"
, "-fno-max-relevant-binds", "-recomp", "-no-recomp", "-fforce-recomp"
, "-fno-force-recomp"
]
, from [8,2]
[ "-fno-max-errors", "-fdiagnostics-color=auto"
, "-fdiagnostics-color=always", "-fdiagnostics-color=never"
, "-dppr-debug", "-dno-debug-output"
]
, from [8,4] [ "-ddebug-output" ]
, from [8,4] $ to [8,6] [ "-fno-max-valid-substitutions" ]
, from [8,6] [ "-dhex-word-literals" ]
]
isOptIntFlag :: String -> Any
isOptIntFlag = mconcat . map (dropIntFlag True) $ ["-v", "-j"]
isIntFlag :: String -> Any
isIntFlag = mconcat . map (dropIntFlag False) . mconcat $
[ [ "-fmax-relevant-binds", "-ddpr-user-length", "-ddpr-cols"
, "-dtrace-level", "-fghci-hist-size" ]
, from [8,2] ["-fmax-uncovered-patterns", "-fmax-errors"]
, from [8,4] $ to [8,6] ["-fmax-valid-substitutions"]
]
dropIntFlag :: Bool -> String -> String -> Any
dropIntFlag isOpt flag input = Any $ case stripPrefix flag input of
Nothing -> False
Just rest | isOpt && null rest -> True
| otherwise -> case parseInt rest of
Just _ -> True
Nothing -> False
where
parseInt :: String -> Maybe Int
parseInt = readMaybe . dropEq
readMaybe :: Read a => String -> Maybe a
readMaybe s = case reads s of
[(x, "")] -> Just x
_ -> Nothing
dropEq :: String -> String
dropEq ('=':s) = s
dropEq s = s
invertibleFlagSet :: String -> [String] -> Set String
invertibleFlagSet prefix flagNames =
Set.fromList $ (++) <$> [prefix, prefix ++ "no-"] <*> flagNames
compatWarningSet :: Set String
compatWarningSet = Set.fromList $ mconcat
[ from [8,6]
[ "missing-monadfail-instances", "semigroup"
, "noncanonical-monoid-instances", "implicit-kind-vars" ]
]
safeToFilterHoles :: Bool
safeToFilterHoles = getAll . checkGhcFlags $ fromLast . foldMap notDeferred
where
fromLast :: Last All -> All
fromLast = fromMaybe (All True) . getLast
notDeferred :: String -> Last All
notDeferred "-fdefer-typed-holes" = Last . Just . All $ False
notDeferred "-fno-defer-typed-holes" = Last . Just . All $ True
notDeferred _ = Last Nothing
isTypedHoleFlag :: String -> Any
isTypedHoleFlag = mconcat
[ flagIn . invertibleFlagSet "-f" $
[ "show-hole-constraints", "show-valid-substitutions"
, "show-valid-hole-fits", "sort-valid-hole-fits"
, "sort-by-size-hole-fits", "sort-by-subsumption-hole-fits"
, "abstract-refinement-hole-fits", "show-provenance-of-hole-fits"
, "show-hole-matches-of-hole-fits", "show-type-of-hole-fits"
, "show-type-app-of-hole-fits", "show-type-app-vars-of-hole-fits"
, "unclutter-valid-hole-fits"
]
, flagIn . Set.fromList $
[ "-fno-max-valid-hole-fits", "-fno-max-refinement-hole-fits"
, "-fno-refinement-level-hole-fits" ]
, mconcat . map (dropIntFlag False) $
[ "-fmax-valid-hole-fits", "-fmax-refinement-hole-fits"
, "-frefinement-level-hole-fits" ]
]
normaliseGhcArgs _ _ args = args
-- | A structured set of GHC options/flags
--
-- Note that options containing lists fall into two categories:
--
-- * options that can be safely deduplicated, e.g. input modules or
-- enabled extensions;
-- * options that cannot be deduplicated in general without changing
-- semantics, e.g. extra ghc options or linking options.
data GhcOptions = GhcOptions {
-- | The major mode for the ghc invocation.
ghcOptMode :: Flag GhcMode,
-- | Any extra options to pass directly to ghc. These go at the end and hence
-- override other stuff.
ghcOptExtra :: [String],
-- | Extra default flags to pass directly to ghc. These go at the beginning
-- and so can be overridden by other stuff.
ghcOptExtraDefault :: [String],
-----------------------
-- Inputs and outputs
-- | The main input files; could be .hs, .hi, .c, .o, depending on mode.
ghcOptInputFiles :: NubListR FilePath,
-- | The names of input Haskell modules, mainly for @--make@ mode.
ghcOptInputModules :: NubListR ModuleName,
-- | Location for output file; the @ghc -o@ flag.
ghcOptOutputFile :: Flag FilePath,
-- | Location for dynamic output file in 'GhcStaticAndDynamic' mode;
-- the @ghc -dyno@ flag.
ghcOptOutputDynFile :: Flag FilePath,
-- | Start with an empty search path for Haskell source files;
-- the @ghc -i@ flag (@-i@ on its own with no path argument).
ghcOptSourcePathClear :: Flag Bool,
-- | Search path for Haskell source files; the @ghc -i@ flag.
ghcOptSourcePath :: NubListR FilePath,
-------------
-- Packages
-- | The unit ID the modules will belong to; the @ghc -this-unit-id@
-- flag (or @-this-package-key@ or @-package-name@ on older
-- versions of GHC). This is a 'String' because we assume you've
-- already figured out what the correct format for this string is
-- (we need to handle backwards compatibility.)
ghcOptThisUnitId :: Flag String,
-- | GHC doesn't make any assumptions about the format of
-- definite unit ids, so when we are instantiating a package it
-- needs to be told explicitly what the component being instantiated
-- is. This only gets set when 'ghcOptInstantiatedWith' is non-empty
ghcOptThisComponentId :: Flag ComponentId,
-- | How the requirements of the package being compiled are to
-- be filled. When typechecking an indefinite package, the 'OpenModule'
-- is always a 'OpenModuleVar'; otherwise, it specifies the installed module
-- that instantiates a package.
ghcOptInstantiatedWith :: [(ModuleName, OpenModule)],
-- | No code? (But we turn on interface writing
ghcOptNoCode :: Flag Bool,
-- | GHC package databases to use, the @ghc -package-conf@ flag.
ghcOptPackageDBs :: PackageDBStack,
-- | The GHC packages to bring into scope when compiling,
-- the @ghc -package-id@ flags.
ghcOptPackages ::
NubListR (OpenUnitId, ModuleRenaming),
-- | Start with a clean package set; the @ghc -hide-all-packages@ flag
ghcOptHideAllPackages :: Flag Bool,
-- | Warn about modules, not listed in command line
ghcOptWarnMissingHomeModules :: Flag Bool,
-- | Don't automatically link in Haskell98 etc; the @ghc
-- -no-auto-link-packages@ flag.
ghcOptNoAutoLinkPackages :: Flag Bool,
-----------------
-- Linker stuff
-- | Names of libraries to link in; the @ghc -l@ flag.
ghcOptLinkLibs :: [FilePath],
-- | Search path for libraries to link in; the @ghc -L@ flag.
ghcOptLinkLibPath :: NubListR FilePath,
-- | Options to pass through to the linker; the @ghc -optl@ flag.
ghcOptLinkOptions :: [String],
-- | OSX only: frameworks to link in; the @ghc -framework@ flag.
ghcOptLinkFrameworks :: NubListR String,
-- | OSX only: Search path for frameworks to link in; the
-- @ghc -framework-path@ flag.
ghcOptLinkFrameworkDirs :: NubListR String,
-- | Don't do the link step, useful in make mode; the @ghc -no-link@ flag.
ghcOptNoLink :: Flag Bool,
-- | Don't link in the normal RTS @main@ entry point; the @ghc -no-hs-main@
-- flag.
ghcOptLinkNoHsMain :: Flag Bool,
-- | Module definition files (Windows specific)
ghcOptLinkModDefFiles :: NubListR FilePath,
--------------------
-- C and CPP stuff
-- | Options to pass through to the C compiler; the @ghc -optc@ flag.
ghcOptCcOptions :: [String],
-- | Options to pass through to the C++ compiler.
ghcOptCxxOptions :: [String],
-- | Options to pass through to CPP; the @ghc -optP@ flag.
ghcOptCppOptions :: [String],
-- | Search path for CPP includes like header files; the @ghc -I@ flag.
ghcOptCppIncludePath :: NubListR FilePath,
-- | Extra header files to include at CPP stage; the @ghc -optP-include@ flag.
ghcOptCppIncludes :: NubListR FilePath,
-- | Extra header files to include for old-style FFI; the @ghc -#include@ flag.
ghcOptFfiIncludes :: NubListR FilePath,
----------------------------
-- Language and extensions
-- | The base language; the @ghc -XHaskell98@ or @-XHaskell2010@ flag.
ghcOptLanguage :: Flag Language,
-- | The language extensions; the @ghc -X@ flag.
ghcOptExtensions :: NubListR Extension,
-- | A GHC version-dependent mapping of extensions to flags. This must be
-- set to be able to make use of the 'ghcOptExtensions'.
ghcOptExtensionMap :: Map Extension (Maybe Compiler.Flag),
----------------
-- Compilation
-- | What optimisation level to use; the @ghc -O@ flag.
ghcOptOptimisation :: Flag GhcOptimisation,
-- | Emit debug info; the @ghc -g@ flag.
ghcOptDebugInfo :: Flag DebugInfoLevel,
-- | Compile in profiling mode; the @ghc -prof@ flag.
ghcOptProfilingMode :: Flag Bool,
-- | Automatically add profiling cost centers; the @ghc -fprof-auto*@ flags.
ghcOptProfilingAuto :: Flag GhcProfAuto,
-- | Use the \"split sections\" feature; the @ghc -split-sections@ flag.
ghcOptSplitSections :: Flag Bool,
-- | Use the \"split object files\" feature; the @ghc -split-objs@ flag.
ghcOptSplitObjs :: Flag Bool,
-- | Run N jobs simultaneously (if possible).
ghcOptNumJobs :: Flag (Maybe Int),
-- | Enable coverage analysis; the @ghc -fhpc -hpcdir@ flags.
ghcOptHPCDir :: Flag FilePath,
----------------
-- GHCi
-- | Extra GHCi startup scripts; the @-ghci-script@ flag
ghcOptGHCiScripts :: [FilePath],
------------------------
-- Redirecting outputs
ghcOptHiSuffix :: Flag String,
ghcOptObjSuffix :: Flag String,
ghcOptDynHiSuffix :: Flag String, -- ^ only in 'GhcStaticAndDynamic' mode
ghcOptDynObjSuffix :: Flag String, -- ^ only in 'GhcStaticAndDynamic' mode
ghcOptHiDir :: Flag FilePath,
ghcOptObjDir :: Flag FilePath,
ghcOptOutputDir :: Flag FilePath,
ghcOptStubDir :: Flag FilePath,
--------------------
-- Creating libraries
ghcOptDynLinkMode :: Flag GhcDynLinkMode,
ghcOptStaticLib :: Flag Bool,
ghcOptShared :: Flag Bool,
ghcOptFPic :: Flag Bool,
ghcOptDylibName :: Flag String,
ghcOptRPaths :: NubListR FilePath,
---------------
-- Misc flags
-- | Get GHC to be quiet or verbose with what it's doing; the @ghc -v@ flag.
ghcOptVerbosity :: Flag Verbosity,
-- | Put the extra folders in the PATH environment variable we invoke
-- GHC with
ghcOptExtraPath :: NubListR FilePath,
-- | Let GHC know that it is Cabal that's calling it.
-- Modifies some of the GHC error messages.
ghcOptCabal :: Flag Bool
} deriving (Show, Generic)
data GhcMode = GhcModeCompile -- ^ @ghc -c@
| GhcModeLink -- ^ @ghc@
| GhcModeMake -- ^ @ghc --make@
| GhcModeInteractive -- ^ @ghci@ \/ @ghc --interactive@
| GhcModeAbiHash -- ^ @ghc --abi-hash@
-- | GhcModeDepAnalysis -- ^ @ghc -M@
-- | GhcModeEvaluate -- ^ @ghc -e@
deriving (Show, Eq)
data GhcOptimisation = GhcNoOptimisation -- ^ @-O0@
| GhcNormalOptimisation -- ^ @-O@
| GhcMaximumOptimisation -- ^ @-O2@
| GhcSpecialOptimisation String -- ^ e.g. @-Odph@
deriving (Show, Eq)
data GhcDynLinkMode = GhcStaticOnly -- ^ @-static@
| GhcDynamicOnly -- ^ @-dynamic@
| GhcStaticAndDynamic -- ^ @-static -dynamic-too@
deriving (Show, Eq)
data GhcProfAuto = GhcProfAutoAll -- ^ @-fprof-auto@
| GhcProfAutoToplevel -- ^ @-fprof-auto-top@
| GhcProfAutoExported -- ^ @-fprof-auto-exported@
deriving (Show, Eq)
runGHC :: Verbosity -> ConfiguredProgram -> Compiler -> Platform -> GhcOptions
-> IO ()
runGHC verbosity ghcProg comp platform opts = do
runProgramInvocation verbosity (ghcInvocation ghcProg comp platform opts)
ghcInvocation :: ConfiguredProgram -> Compiler -> Platform -> GhcOptions
-> ProgramInvocation
ghcInvocation prog comp platform opts =
(programInvocation prog (renderGhcOptions comp platform opts)) {
progInvokePathEnv = fromNubListR (ghcOptExtraPath opts)
}
renderGhcOptions :: Compiler -> Platform -> GhcOptions -> [String]
renderGhcOptions comp _platform@(Platform _arch os) opts
| compilerFlavor comp `notElem` [GHC, GHCJS] =
error $ "Distribution.Simple.Program.GHC.renderGhcOptions: "
++ "compiler flavor must be 'GHC' or 'GHCJS'!"
| otherwise =
concat
[ case flagToMaybe (ghcOptMode opts) of
Nothing -> []
Just GhcModeCompile -> ["-c"]
Just GhcModeLink -> []
Just GhcModeMake -> ["--make"]
Just GhcModeInteractive -> ["--interactive"]
Just GhcModeAbiHash -> ["--abi-hash"]
-- Just GhcModeDepAnalysis -> ["-M"]
-- Just GhcModeEvaluate -> ["-e", expr]
, ghcOptExtraDefault opts
, [ "-no-link" | flagBool ghcOptNoLink ]
---------------
-- Misc flags
, maybe [] verbosityOpts (flagToMaybe (ghcOptVerbosity opts))
, [ "-fbuilding-cabal-package" | flagBool ghcOptCabal ]
----------------
-- Compilation
, case flagToMaybe (ghcOptOptimisation opts) of
Nothing -> []
Just GhcNoOptimisation -> ["-O0"]
Just GhcNormalOptimisation -> ["-O"]
Just GhcMaximumOptimisation -> ["-O2"]
Just (GhcSpecialOptimisation s) -> ["-O" ++ s] -- eg -Odph
, case flagToMaybe (ghcOptDebugInfo opts) of
Nothing -> []
Just NoDebugInfo -> []
Just MinimalDebugInfo -> ["-g1"]
Just NormalDebugInfo -> ["-g2"]
Just MaximalDebugInfo -> ["-g3"]
, [ "-prof" | flagBool ghcOptProfilingMode ]
, case flagToMaybe (ghcOptProfilingAuto opts) of
_ | not (flagBool ghcOptProfilingMode)
-> []
Nothing -> []
Just GhcProfAutoAll
| flagProfAuto implInfo -> ["-fprof-auto"]
| otherwise -> ["-auto-all"] -- not the same, but close
Just GhcProfAutoToplevel
| flagProfAuto implInfo -> ["-fprof-auto-top"]
| otherwise -> ["-auto-all"]
Just GhcProfAutoExported
| flagProfAuto implInfo -> ["-fprof-auto-exported"]
| otherwise -> ["-auto"]
, [ "-split-sections" | flagBool ghcOptSplitSections ]
, [ "-split-objs" | flagBool ghcOptSplitObjs ]
, case flagToMaybe (ghcOptHPCDir opts) of
Nothing -> []
Just hpcdir -> ["-fhpc", "-hpcdir", hpcdir]
, if parmakeSupported comp
then case ghcOptNumJobs opts of
NoFlag -> []
Flag n -> ["-j" ++ maybe "" show n]
else []
--------------------
-- Creating libraries
, [ "-staticlib" | flagBool ghcOptStaticLib ]
, [ "-shared" | flagBool ghcOptShared ]
, case flagToMaybe (ghcOptDynLinkMode opts) of
Nothing -> []
Just GhcStaticOnly -> ["-static"]
Just GhcDynamicOnly -> ["-dynamic"]
Just GhcStaticAndDynamic -> ["-static", "-dynamic-too"]
, [ "-fPIC" | flagBool ghcOptFPic ]
, concat [ ["-dylib-install-name", libname] | libname <- flag ghcOptDylibName ]
------------------------
-- Redirecting outputs
, concat [ ["-osuf", suf] | suf <- flag ghcOptObjSuffix ]
, concat [ ["-hisuf", suf] | suf <- flag ghcOptHiSuffix ]
, concat [ ["-dynosuf", suf] | suf <- flag ghcOptDynObjSuffix ]
, concat [ ["-dynhisuf",suf] | suf <- flag ghcOptDynHiSuffix ]
, concat [ ["-outputdir", dir] | dir <- flag ghcOptOutputDir ]
, concat [ ["-odir", dir] | dir <- flag ghcOptObjDir ]
, concat [ ["-hidir", dir] | dir <- flag ghcOptHiDir ]
, concat [ ["-stubdir", dir] | dir <- flag ghcOptStubDir ]
-----------------------
-- Source search path
, [ "-i" | flagBool ghcOptSourcePathClear ]
, [ "-i" ++ dir | dir <- flags ghcOptSourcePath ]
--------------------
--------------------
-- CPP, C, and C++ stuff
, [ "-I" ++ dir | dir <- flags ghcOptCppIncludePath ]
, [ "-optP" ++ opt | opt <- ghcOptCppOptions opts]
, concat [ [ "-optP-include", "-optP" ++ inc]
| inc <- flags ghcOptCppIncludes ]
, [ "-optc" ++ opt | opt <- ghcOptCcOptions opts]
, [ "-optc" ++ opt | opt <- ghcOptCxxOptions opts]
-----------------
-- Linker stuff
, [ "-optl" ++ opt | opt <- ghcOptLinkOptions opts]
, ["-l" ++ lib | lib <- ghcOptLinkLibs opts]
, ["-L" ++ dir | dir <- flags ghcOptLinkLibPath ]
, if isOSX
then concat [ ["-framework", fmwk]
| fmwk <- flags ghcOptLinkFrameworks ]
else []
, if isOSX
then concat [ ["-framework-path", path]
| path <- flags ghcOptLinkFrameworkDirs ]
else []
, [ "-no-hs-main" | flagBool ghcOptLinkNoHsMain ]
, [ "-dynload deploy" | not (null (flags ghcOptRPaths)) ]
, concat [ [ "-optl-Wl,-rpath," ++ dir]
| dir <- flags ghcOptRPaths ]
, [ modDefFile | modDefFile <- flags ghcOptLinkModDefFiles ]
-------------
-- Packages
, concat [ [ case () of
_ | unitIdSupported comp -> "-this-unit-id"
| packageKeySupported comp -> "-this-package-key"
| otherwise -> "-package-name"
, this_arg ]
| this_arg <- flag ghcOptThisUnitId ]
, concat [ ["-this-component-id", display this_cid ]
| this_cid <- flag ghcOptThisComponentId ]
, if null (ghcOptInstantiatedWith opts)
then []
else "-instantiated-with"
: intercalate "," (map (\(n,m) -> display n ++ "="
++ display m)
(ghcOptInstantiatedWith opts))
: []
, concat [ ["-fno-code", "-fwrite-interface"] | flagBool ghcOptNoCode ]
, [ "-hide-all-packages" | flagBool ghcOptHideAllPackages ]
, [ "-Wmissing-home-modules" | flagBool ghcOptWarnMissingHomeModules ]
, [ "-no-auto-link-packages" | flagBool ghcOptNoAutoLinkPackages ]
, packageDbArgs implInfo (ghcOptPackageDBs opts)
, concat $ let space "" = ""
space xs = ' ' : xs
in [ ["-package-id", display ipkgid ++ space (display rns)]
| (ipkgid,rns) <- flags ghcOptPackages ]
----------------------------
-- Language and extensions
, if supportsHaskell2010 implInfo
then [ "-X" ++ display lang | lang <- flag ghcOptLanguage ]
else []
, [ ext'
| ext <- flags ghcOptExtensions
, ext' <- case Map.lookup ext (ghcOptExtensionMap opts) of
Just (Just arg) -> [arg]
Just Nothing -> []
Nothing ->
error $ "Distribution.Simple.Program.GHC.renderGhcOptions: "
++ display ext ++ " not present in ghcOptExtensionMap."
]
----------------
-- GHCi
, concat [ [ "-ghci-script", script ] | script <- ghcOptGHCiScripts opts
, flagGhciScript implInfo ]
---------------
-- Inputs
, [ display modu | modu <- flags ghcOptInputModules ]
, flags ghcOptInputFiles
, concat [ [ "-o", out] | out <- flag ghcOptOutputFile ]
, concat [ [ "-dyno", out] | out <- flag ghcOptOutputDynFile ]
---------------
-- Extra
, ghcOptExtra opts
]
where
implInfo = getImplInfo comp
isOSX = os == OSX
flag flg = flagToList (flg opts)
flags flg = fromNubListR . flg $ opts
flagBool flg = fromFlagOrDefault False (flg opts)
verbosityOpts :: Verbosity -> [String]
verbosityOpts verbosity
| verbosity >= deafening = ["-v"]
| verbosity >= normal = []
| otherwise = ["-w", "-v0"]
-- | GHC <7.6 uses '-package-conf' instead of '-package-db'.
packageDbArgsConf :: PackageDBStack -> [String]
packageDbArgsConf dbstack = case dbstack of
(GlobalPackageDB:UserPackageDB:dbs) -> concatMap specific dbs
(GlobalPackageDB:dbs) -> ("-no-user-package-conf")
: concatMap specific dbs
_ -> ierror
where
specific (SpecificPackageDB db) = [ "-package-conf", db ]
specific _ = ierror
ierror = error $ "internal error: unexpected package db stack: "
++ show dbstack
-- | GHC >= 7.6 uses the '-package-db' flag. See
-- https://ghc.haskell.org/trac/ghc/ticket/5977.
packageDbArgsDb :: PackageDBStack -> [String]
-- special cases to make arguments prettier in common scenarios
packageDbArgsDb dbstack = case dbstack of
(GlobalPackageDB:UserPackageDB:dbs)
| all isSpecific dbs -> concatMap single dbs
(GlobalPackageDB:dbs)
| all isSpecific dbs -> "-no-user-package-db"
: concatMap single dbs
dbs -> "-clear-package-db"
: concatMap single dbs
where
single (SpecificPackageDB db) = [ "-package-db", db ]
single GlobalPackageDB = [ "-global-package-db" ]
single UserPackageDB = [ "-user-package-db" ]
isSpecific (SpecificPackageDB _) = True
isSpecific _ = False
packageDbArgs :: GhcImplInfo -> PackageDBStack -> [String]
packageDbArgs implInfo
| flagPackageConf implInfo = packageDbArgsConf
| otherwise = packageDbArgsDb
-- -----------------------------------------------------------------------------
-- Boilerplate Monoid instance for GhcOptions
instance Monoid GhcOptions where
mempty = gmempty
mappend = (<>)
instance Semigroup GhcOptions where
(<>) = gmappend