cabal-helper-0.8.0.0: src/CabalHelper/Runtime/Main.hs
-- Copyright (C) 2015 Daniel Gröber <dxld ÄT darkboxed DOT org>
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
{-# LANGUAGE CPP, BangPatterns, RecordWildCards, RankNTypes, ViewPatterns #-}
#ifdef MIN_VERSION_Cabal
#undef CH_MIN_VERSION_Cabal
#define CH_MIN_VERSION_Cabal MIN_VERSION_Cabal
#endif
import Distribution.Simple.Utils (cabalVersion)
import Distribution.Simple.Configure
import Distribution.Package
( PackageIdentifier
, InstalledPackageId
, PackageId
, packageName
, packageVersion
)
import Distribution.PackageDescription
( PackageDescription
, GenericPackageDescription(..)
, Flag(..)
, FlagName(..)
, FlagAssignment
, Executable(..)
, Library(..)
, TestSuite(..)
, Benchmark(..)
, BuildInfo(..)
, TestSuiteInterface(..)
, BenchmarkInterface(..)
, withLib
)
import Distribution.PackageDescription.Parse
( readPackageDescription
)
import Distribution.PackageDescription.Configuration
( flattenPackageDescription
)
import Distribution.Simple.Program
( requireProgram
, ghcProgram
)
import Distribution.Simple.Program.Types
( ConfiguredProgram(..)
)
import Distribution.Simple.Configure
( getPersistBuildConfig
)
import Distribution.Simple.LocalBuildInfo
( LocalBuildInfo(..)
, Component(..)
, ComponentName(..)
, ComponentLocalBuildInfo(..)
, componentBuildInfo
, externalPackageDeps
, withComponentsLBI
, withLibLBI
, withExeLBI
)
import Distribution.Simple.GHC
( componentGhcOptions
)
import Distribution.Simple.Program.GHC
( GhcOptions(..)
, renderGhcOptions
)
import Distribution.Simple.Setup
( ConfigFlags(..)
, Flag(..)
, fromFlagOrDefault
)
import Distribution.Simple.Build
( initialBuildSteps
)
import Distribution.Simple.BuildPaths
( autogenModuleName
, cppHeaderName
, exeExtension
)
import Distribution.Simple.Compiler
( PackageDB(..)
, compilerId
)
import Distribution.Compiler
( CompilerId(..)
)
import Distribution.ModuleName
( components
)
import qualified Distribution.ModuleName as C
( ModuleName
)
import Distribution.Text
( display
)
import Distribution.Verbosity
( Verbosity
, silent
, deafening
, normal
)
import Distribution.Version
( Version
)
#if CH_MIN_VERSION_Cabal(1,22,0)
-- CPP >= 1.22
import Distribution.Utils.NubList
#endif
#if CH_MIN_VERSION_Cabal(1,23,0)
-- >= 1.23
import Distribution.Simple.LocalBuildInfo
( localUnitId
)
#else
-- <= 1.22
import Distribution.Simple.LocalBuildInfo
( inplacePackageId
)
#endif
#if CH_MIN_VERSION_Cabal(1,25,0)
-- >=1.25
import Distribution.PackageDescription
( unFlagName
-- , mkFlagName
)
import Distribution.Types.ForeignLib
( ForeignLib(..)
)
import Distribution.Types.UnqualComponentName
( unUnqualComponentName
)
#endif
#if CH_MIN_VERSION_Cabal(2,0,0)
-- CPP >= 2.0
import Distribution.Simple.LocalBuildInfo
( allLibModules
, componentBuildDir
)
import Distribution.Simple.Register
( internalPackageDBPath
)
import Distribution.Backpack
( OpenUnitId(..),
OpenModule(..)
)
import Distribution.ModuleName
( ModuleName
)
import Distribution.Types.ComponentId
( unComponentId
)
import Distribution.Types.ComponentLocalBuildInfo
( maybeComponentInstantiatedWith
)
import Distribution.Types.ModuleRenaming
( ModuleRenaming(..),
isDefaultRenaming
)
import Distribution.Types.MungedPackageId
( MungedPackageId
)
import Distribution.Types.UnitId
( UnitId
, unDefUnitId
, unUnitId
)
import Distribution.Types.UnitId
( DefUnitId
)
import Distribution.Utils.NubList
( toNubListR
)
import Distribution.Version
( versionNumbers
, mkVersion
)
import qualified Distribution.InstalledPackageInfo as Installed
#endif
import Control.Applicative ((<$>))
import Control.Arrow (first, second, (&&&))
import Control.Monad
import Control.Exception (catch, PatternMatchFail(..))
import Data.List
import qualified Data.Map as Map
import Data.Maybe
import Data.Monoid
import Data.IORef
import qualified Data.Version as DataVersion
import System.Environment
import System.Directory
import System.FilePath
import System.Exit
import System.IO
import System.IO.Unsafe (unsafeInterleaveIO, unsafePerformIO)
import Text.Printf
import CabalHelper.Shared.Sandbox
import CabalHelper.Shared.Common
import CabalHelper.Shared.InterfaceTypes
usage :: IO ()
usage = do
prog <- getProgName
hPutStr stderr $ "Usage: " ++ prog ++ " " ++ usageMsg
where
usageMsg = ""
++"PROJ_DIR DIST_DIR [--with-* ...] (\n"
++" version\n"
++" | print-lbi [--human]\n"
++" | package-id\n"
++" | flags\n"
++" | config-flags\n"
++" | non-default-config-flags\n"
++" | write-autogen-files\n"
++" | compiler-version\n"
++" | ghc-options [--with-inplace]\n"
++" | ghc-src-options [--with-inplace]\n"
++" | ghc-pkg-options [--with-inplace]\n"
++" | ghc-merged-pkg-options [--with-inplace]\n"
++" | ghc-lang-options [--with-inplace]\n"
++" | package-db-stack\n"
++" | entrypoints\n"
++" | needs-build-output\n"
++" | source-dirs\n"
++" ) ...\n"
commands :: [String]
commands = [ "print-lbi"
, "package-id"
, "flags"
, "config-flags"
, "non-default-config-flags"
, "write-autogen-files"
, "compiler-version"
, "ghc-options"
, "ghc-src-options"
, "ghc-pkg-options"
, "ghc-lang-options"
, "package-db-stack"
, "entrypoints"
, "needs-build-output"
, "source-dirs"
]
main :: IO ()
main = do
args <- getArgs
projdir:distdir:args' <- case args of
[] -> usage >> exitFailure
_ -> return args
ddexists <- doesDirectoryExist distdir
when (not ddexists) $ do
errMsg $ "distdir '"++distdir++"' does not exist"
exitFailure
[cfile] <- filter isCabalFile <$> getDirectoryContents projdir
v <- maybe silent (const deafening) . lookup "CABAL_HELPER_DEBUG" <$> getEnvironment
lbi <- unsafeInterleaveIO $ getPersistBuildConfig distdir
gpd <- unsafeInterleaveIO $ readPackageDescription v (projdir </> cfile)
let pd = localPkgDescr lbi
let lvd = (lbi, v, distdir)
let
-- a =<< b $$ c == (a =<< b) $$ c
infixr 2 $$
($$) = ($)
collectCmdOptions :: [String] -> [[String]]
collectCmdOptions =
reverse . map reverse . foldl f [] . dropWhile isOpt
where
isOpt = ("--" `isPrefixOf`)
f [] x = [[x]]
f (a:as) x
| isOpt x = (x:a):as
| otherwise = [x]:(a:as)
let cmds = collectCmdOptions args'
if any (["version"] `isPrefixOf`) cmds
then do
putStrLn $
printf "using version %s of the Cabal library" (display cabalVersion)
exitSuccess
else return ()
print =<< flip mapM cmds $$ \x -> do
case x of
"flags":[] -> do
return $ Just $ ChResponseFlags $ sort $
map (flagName' &&& flagDefault) $ genPackageFlags gpd
"config-flags":[] -> do
return $ Just $ ChResponseFlags $ sort $
map (first unFlagName) $ configConfigurationsFlags $ configFlags lbi
"non-default-config-flags":[] -> do
let flagDefinitons = genPackageFlags gpd
flagAssgnments = configConfigurationsFlags $ configFlags lbi
nonDefaultFlags =
[ (flag_name, val)
| MkFlag {flagName=(unFlagName -> flag_name'), flagDefault=def_val} <- flagDefinitons
, (unFlagName -> flag_name, val) <- flagAssgnments
, flag_name == flag_name'
, val /= def_val
]
return $ Just $ ChResponseFlags $ sort nonDefaultFlags
"write-autogen-files":[] -> do
initialBuildStepsForAllComponents distdir pd lbi v
return Nothing
"compiler-version":[] -> do
let CompilerId comp ver = compilerId $ compiler lbi
return $ Just $ ChResponseVersion (show comp) (toDataVersion ver)
"ghc-options":flags -> do
res <- componentOptions lvd True flags id
return $ Just $ ChResponseCompList (res ++ [(ChSetupHsName, [])])
"ghc-src-options":flags -> do
res <- componentOptions lvd False flags $ \opts -> mempty {
-- Not really needed but "unexpected package db stack: []"
ghcOptPackageDBs = [GlobalPackageDB, UserPackageDB],
ghcOptCppOptions = ghcOptCppOptions opts,
ghcOptCppIncludePath = ghcOptCppIncludePath opts,
ghcOptCppIncludes = ghcOptCppIncludes opts,
ghcOptFfiIncludes = ghcOptFfiIncludes opts,
ghcOptSourcePathClear = ghcOptSourcePathClear opts,
ghcOptSourcePath = ghcOptSourcePath opts
}
return $ Just $ ChResponseCompList (res ++ [(ChSetupHsName, [])])
"ghc-pkg-options":flags -> do
res <- componentOptions lvd True flags $ \opts -> mempty {
ghcOptPackageDBs = ghcOptPackageDBs opts,
ghcOptPackages = ghcOptPackages opts,
ghcOptHideAllPackages = ghcOptHideAllPackages opts
}
return $ Just $ ChResponseCompList (res ++ [(ChSetupHsName, [])])
"ghc-merged-pkg-options":flags -> do
res <- mconcat . map snd <$> (componentOptions' lvd True flags (\_ _ o -> return o) $ \opts -> mempty {
ghcOptPackageDBs = [],
ghcOptHideAllPackages = NoFlag,
ghcOptPackages = ghcOptPackages opts
})
let res' = nubPackageFlags $ res { ghcOptPackageDBs = withPackageDB lbi
, ghcOptHideAllPackages = Flag True
}
Just . ChResponseList <$> renderGhcOptions' lbi v res'
"ghc-lang-options":flags -> do
res <- componentOptions lvd False flags $ \opts -> mempty {
ghcOptPackageDBs = [GlobalPackageDB, UserPackageDB],
ghcOptLanguage = ghcOptLanguage opts,
ghcOptExtensions = ghcOptExtensions opts,
ghcOptExtensionMap = ghcOptExtensionMap opts
}
return $ Just $ ChResponseCompList (res ++ [(ChSetupHsName, [])])
"package-db-stack":[] -> do
let
pkgDb GlobalPackageDB = ChPkgGlobal
pkgDb UserPackageDB = ChPkgUser
pkgDb (SpecificPackageDB s) = ChPkgSpecific s
-- TODO: Setup.hs has access to the sandbox as well: ghc-mod#478
return $ Just $ ChResponsePkgDbs $ map pkgDb $ withPackageDB lbi
"entrypoints":[] -> do
#if CH_MIN_VERSION_Cabal(2,0,0)
includeDirMap <- recursiveDepInfo lbi v distdir
eps <- componentsMap lbi v distdir $ \c clbi _bi -> do
case needsBuildOutput includeDirMap (componentUnitId clbi) of
ProduceBuildOutput -> return $ componentEntrypoints c
NoBuildOutput -> return seps
where (_,_,seps) = recursiveIncludeDirs includeDirMap (componentUnitId clbi)
#else
eps <- componentsMap lbi v distdir $ \c _clbi _bi ->
return $ componentEntrypoints c
#endif
-- MUST append Setup component at the end otherwise CabalHelper gets
-- confused
let eps' = eps ++ [(ChSetupHsName, ChSetupEntrypoint)]
return $ Just $ ChResponseEntrypoints eps'
"needs-build-output":[] -> do
#if CH_MIN_VERSION_Cabal(2,0,0)
includeDirMap <- recursiveDepInfo lbi v distdir
nbs <- componentsMap lbi v distdir $ \c clbi _bi ->
return $ needsBuildOutput includeDirMap (componentUnitId clbi)
#else
nbs <- componentsMap lbi v distdir $ \c _clbi _bi ->
return $ NoBuildOutput
#endif
return $ Just $ ChResponseNeedsBuild nbs
"source-dirs":[] -> do
res <- componentsMap lbi v distdir $$ \_ _ bi -> return $ hsSourceDirs bi
return $ Just $ ChResponseCompList (res ++ [(ChSetupHsName, [])])
"print-lbi":flags ->
case flags of
["--human"] -> print lbi >> return Nothing
[] -> return $ Just $ ChResponseLbi $ show lbi
cmd:_ | not (cmd `elem` commands) ->
errMsg ("Unknown command: " ++ cmd) >> usage >> exitFailure
_ ->
errMsg "Invalid usage!" >> usage >> exitFailure
flagName' = unFlagName . flagName
-- getLibrary :: PackageDescription -> Library
-- getLibrary pd = unsafePerformIO $ do
-- lr <- newIORef (error "libraryMap: empty IORef")
-- withLib pd (writeIORef lr)
-- readIORef lr
getLibraryClbi pd lbi = unsafePerformIO $ do
lr <- newIORef Nothing
withLibLBI pd lbi $ \ lib clbi ->
writeIORef lr $ Just (lib,clbi)
readIORef lr
getExeClbi pd lbi = unsafePerformIO $ do
lr <- newIORef Nothing
withExeLBI pd lbi $ \ exe clbi ->
writeIORef lr $ Just (exe,clbi)
readIORef lr
componentsMap :: LocalBuildInfo
-> Verbosity
-> FilePath
-> ( Component
-> ComponentLocalBuildInfo
-> BuildInfo
-> IO a)
-> IO [(ChComponentName, a)]
componentsMap lbi _v _distdir f = do
let pd = localPkgDescr lbi
lr <- newIORef []
-- withComponentsLBI is deprecated but also exists in very old versions
-- it's equivalent to withAllComponentsInBuildOrder in newer versions
withComponentsLBI pd lbi $ \c clbi -> do
let bi = componentBuildInfo c
name = componentNameFromComponent c
l' <- readIORef lr
r <- f c clbi bi
#if CH_MIN_VERSION_Cabal(2,0,0)
writeIORef lr $ (componentNameToCh (unUnitId $ componentUnitId clbi) name, r):l'
#else
writeIORef lr $ (componentNameToCh "" name, r):l'
#endif
reverse <$> readIORef lr
componentOptions' (lbi, v, distdir) inplaceFlag flags rf f = do
let pd = localPkgDescr lbi
#if CH_MIN_VERSION_Cabal(2,0,0)
includeDirMap <- recursiveDepInfo lbi v distdir
#endif
componentsMap lbi v distdir $ \c clbi bi ->
let
#if CH_MIN_VERSION_Cabal(2,0,0)
outdir = componentBuildDir lbi clbi
#else
outdir = componentOutDir lbi c
#endif
(clbi', adopts) = case flags of
_ | not inplaceFlag -> (clbi, mempty)
["--with-inplace"] -> (clbi, mempty)
#if CH_MIN_VERSION_Cabal(2,0,0)
[] -> removeInplaceDeps v lbi pd clbi includeDirMap
#else
[] -> removeInplaceDeps v lbi pd clbi
#endif
opts = componentGhcOptions normal lbi bi clbi' outdir
opts' = f opts
in rf lbi v $ nubPackageFlags $ opts' `mappend` adopts
componentOptions (lbi, v, distdir) inplaceFlag flags f =
componentOptions' (lbi, v, distdir) inplaceFlag flags renderGhcOptions' f
gmModuleName :: C.ModuleName -> ChModuleName
gmModuleName = ChModuleName . intercalate "." . components
#if CH_MIN_VERSION_Cabal(2,0,0)
removeInplaceDeps :: Verbosity
-> LocalBuildInfo
-> PackageDescription
-> ComponentLocalBuildInfo
-> Map.Map UnitId SubDeps
-> (ComponentLocalBuildInfo, GhcOptions)
removeInplaceDeps _v lbi pd clbi includeDirs = let
removeInplace c =
let
(ideps, incs) = partition (isInplaceCompInc c) (componentIncludes c)
hasIdeps' = not $ null ideps
c' = c { componentPackageDeps = error "using deprecated field:componentPackageDeps"
, componentInternalDeps = []
, componentIncludes = incs }
in (hasIdeps',c')
needsBuild = needsBuildOutput includeDirs (componentUnitId clbi)
cleanRecursiveOpts :: Component
-> BuildInfo -> ComponentLocalBuildInfo -> GhcOptions
cleanRecursiveOpts comp libbi libclbi =
let
liboutdir = componentOutDir lbi comp
(_,libclbi') = removeInplace libclbi
(extraIncludes,extraDeps',_ems) = recursiveIncludeDirs includeDirs (componentUnitId libclbi)
(_,extraDeps) = partition (isInplaceCompInc libclbi) extraDeps'
opts = (componentGhcOptions normal lbi libbi libclbi' liboutdir) {
ghcOptPackageDBs = []
}
in
opts { ghcOptSourcePath = ghcOptSourcePath opts <> toNubListR extraIncludes
, ghcOptPackages = ghcOptPackages opts <> toNubListR extraDeps }
libopts =
case (getLibraryClbi pd lbi,getExeClbi pd lbi) of
(Just (lib, libclbi),_) | hasIdeps ->
let
libbi = libBuildInfo lib
opts = cleanRecursiveOpts (CLib lib) libbi libclbi
in
opts { ghcOptInputModules = ghcOptInputModules opts <> (toNubListR $ allLibModules lib libclbi) }
(_,Just (exe,execlbi)) | hasIdeps ->
let
exebi = buildInfo exe
in
cleanRecursiveOpts (CExe exe) exebi execlbi
_ -> mempty
distDir = fromFlagOrDefault ("." </> "dist") (configDistPref $ configFlags lbi)
packageDbDir = internalPackageDBPath lbi distDir
(hasIdeps,clbi') = case needsBuild of
NoBuildOutput -> removeInplace clbi
ProduceBuildOutput -> (False, clbi)
libopts' = case needsBuild of
NoBuildOutput -> libopts
ProduceBuildOutput -> mempty { ghcOptPackageDBs = [SpecificPackageDB packageDbDir] }
in (clbi', libopts')
#else
removeInplaceDeps :: Verbosity
-> LocalBuildInfo
-> PackageDescription
-> ComponentLocalBuildInfo
-> (ComponentLocalBuildInfo, GhcOptions)
removeInplaceDeps _v lbi pd clbi = let
(ideps, deps) = partition (isInplaceDep lbi) (componentPackageDeps clbi)
hasIdeps = not $ null ideps
libopts =
case getLibraryClbi pd lbi of
Just (lib, libclbi) | hasIdeps ->
let
libbi = libBuildInfo lib
liboutdir = componentOutDir lbi (CLib lib)
in
(componentGhcOptions normal lbi libbi libclbi liboutdir) {
ghcOptPackageDBs = []
}
_ -> mempty
clbi' = clbi { componentPackageDeps = deps }
in (clbi', libopts)
#endif
#if CH_MIN_VERSION_Cabal(2,0,0)
recursiveDepInfo lbi v distdir = do
includeDirs <- componentsMap lbi v distdir $ \c clbi bi -> do
return (componentUnitId clbi
, ( SubDeps
{ sdComponentInternalDeps = componentInternalDeps clbi
, sdHsSourceDirs = hsSourceDirs bi
, sdComponentIncludes = componentIncludes clbi
, sdComponentEntryPoints = componentEntrypoints c}) )
return $ Map.fromList $ map snd includeDirs
data SubDeps = SubDeps
{ sdComponentInternalDeps :: [UnitId]
, sdHsSourceDirs :: [FilePath]
, sdComponentIncludes :: [(OpenUnitId, ModuleRenaming)]
, sdComponentEntryPoints :: ChEntrypoint
}
recursiveIncludeDirs :: Map.Map UnitId SubDeps
-> UnitId -> ([FilePath], [(OpenUnitId, ModuleRenaming)]
, ChEntrypoint)
recursiveIncludeDirs includeDirs unit = go ([],[],Nothing) [unit]
where
go (afp,aci,Nothing ) [] = (afp,aci,error "recursiveIncludeDirs:no ChEntrypoint")
go (afp,aci,Just amep) [] = (afp,aci,amep)
go acc@(afp,aci,amep) (u:us) = case Map.lookup u includeDirs of
Nothing -> go acc us
Just (SubDeps us' sfp sci sep) -> go (afp++sfp,aci++sci,combineEp amep sep) (us++us')
needsBuildOutput :: Map.Map UnitId SubDeps -> UnitId -> NeedsBuildOutput
needsBuildOutput includeDirs unit = go [unit]
where
isIndef (IndefFullUnitId _ _) = True
isIndef _ = False
go [] = NoBuildOutput
go (u:us) = case Map.lookup u includeDirs of
Nothing -> go us
Just (SubDeps us' sfp sci sep) ->
if any (isIndef . fst) sci
then ProduceBuildOutput
else go (us++us')
combineEp Nothing e = Just e
combineEp (Just ChSetupEntrypoint) e = Just e
combineEp (Just (ChLibEntrypoint es1 os1 ss1)) (ChLibEntrypoint es2 os2 ss2) = Just (ChLibEntrypoint (nub $ es2++es1) (nub $ os2++os1) (nub $ ss2++ss1))
combineEp (Just (ChLibEntrypoint es1 os1 ss1)) (ChExeEntrypoint mi os2) = Just (ChExeEntrypoint mi (nub $ os2++es1++os1++ss1))
combineEp (Just (ChExeEntrypoint _ os1)) (ChLibEntrypoint es2 os2 ss2) = Just (ChLibEntrypoint es2 (nub $ os2++os1) ss2)
combineEp (Just (ChExeEntrypoint _ os1)) (ChExeEntrypoint mi os2) = Just (ChExeEntrypoint mi (nub $ os2++os1))
instantiatedGhcPackage :: (ModuleName,OpenModule) -> [(OpenUnitId, ModuleRenaming)]
instantiatedGhcPackage (_,OpenModule oui@(DefiniteUnitId _) _) = [(oui,DefaultRenaming)]
instantiatedGhcPackage (_, _) = []
#endif
initialBuildStepsForAllComponents distdir pd lbi v =
initialBuildSteps distdir pd lbi v
#if !CH_MIN_VERSION_Cabal(1,25,0)
-- CPP < 1.25
unFlagName (FlagName n) = n
-- mkFlagName n = FlagName n
#endif
toDataVersion :: Version -> DataVersion.Version
--fromDataVersion :: DataVersion.Version -> Version
#if CH_MIN_VERSION_Cabal(2,0,0)
toDataVersion v = DataVersion.Version (versionNumbers v) []
--fromDataVersion (DataVersion.Version vs _) = mkVersion vs
#else
toDataVersion = id
--fromDataVersion = id
#endif
componentNameToCh _uid CLibName = ChLibName
#if CH_MIN_VERSION_Cabal(1,25,0)
-- CPP >= 1.25
#if CH_MIN_VERSION_Cabal(2,0,0)
componentNameToCh uid (CSubLibName n) = ChSubLibName uid
#else
componentNameToCh _uid (CSubLibName n) = ChSubLibName (unUnqualComponentName' n)
#endif
componentNameToCh uid (CFLibName n) = ChFLibName (unUnqualComponentName' n)
#endif
componentNameToCh _uid (CExeName n) = ChExeName (unUnqualComponentName' n)
componentNameToCh _uid (CTestName n) = ChTestName (unUnqualComponentName' n)
componentNameToCh _uid (CBenchName n) = ChBenchName (unUnqualComponentName' n)
#if CH_MIN_VERSION_Cabal(1,25,0)
-- CPP >= 1.25
unUnqualComponentName' = unUnqualComponentName
#else
unUnqualComponentName' = id
#endif
#if !CH_MIN_VERSION_Cabal(1,25,0)
-- CPP < 1.25
componentNameFromComponent (CLib Library {}) = CLibName
#elif CH_MIN_VERSION_Cabal(1,25,0)
-- CPP >= 1.25 (redundant)
componentNameFromComponent (CLib Library { libName = Nothing }) = CLibName
componentNameFromComponent (CLib Library { libName = Just n }) = CSubLibName n
componentNameFromComponent (CFLib ForeignLib {..}) = CFLibName foreignLibName
#endif
componentNameFromComponent (CExe Executable {..}) = CExeName exeName
componentNameFromComponent (CTest TestSuite {..}) = CTestName testName
componentNameFromComponent (CBench Benchmark {..}) = CBenchName benchmarkName
componentOutDir lbi (CLib Library {..})=
buildDir lbi
#if CH_MIN_VERSION_Cabal(2,0,0)
componentOutDir lbi (CFLib ForeignLib {..}) =
componentOutDir' lbi (unUnqualComponentName foreignLibName)
#endif
componentOutDir lbi (CExe Executable {..}) =
componentOutDir' lbi (unUnqualComponentName' exeName)
componentOutDir lbi (CTest TestSuite { testInterface = TestSuiteExeV10 _ _, ..}) =
componentOutDir' lbi (unUnqualComponentName' testName)
componentOutDir lbi (CTest TestSuite { testInterface = TestSuiteLibV09 _ _, ..}) =
componentOutDir' lbi (unUnqualComponentName' testName ++ "Stub")
componentOutDir lbi (CBench Benchmark { benchmarkInterface = BenchmarkExeV10 _ _, ..})=
componentOutDir' lbi (unUnqualComponentName' benchmarkName)
componentOutDir' :: LocalBuildInfo -> String -> FilePath
componentOutDir' lbi compName' =
----- Copied from Distribution/Simple/GHC.hs:buildOrReplExe
let targetDir = (buildDir lbi) </> compName'
compDir = targetDir </> (compName' ++ "-tmp")
in compDir
componentEntrypoints :: Component -> ChEntrypoint
componentEntrypoints (CLib Library {..})
= ChLibEntrypoint
(map gmModuleName exposedModules)
(map gmModuleName $ otherModules libBuildInfo)
#if CH_MIN_VERSION_Cabal(2,0,0)
(map gmModuleName signatures)
#else
[] -- no signatures prior to Cabal 2.0
#endif
#if CH_MIN_VERSION_Cabal(2,0,0)
componentEntrypoints (CFLib (ForeignLib{..}))
= ChLibEntrypoint
[]
(map gmModuleName $ otherModules foreignLibBuildInfo)
[]
#endif
componentEntrypoints (CExe Executable {..})
= ChExeEntrypoint
#if CH_MIN_VERSION_Cabal(2,0,0)
--
( head ((hsSourceDirs buildInfo) ++ ["."]) </> modulePath)
-- modulePath
#else
modulePath
#endif
(map gmModuleName $ otherModules buildInfo)
componentEntrypoints (CTest TestSuite { testInterface = TestSuiteExeV10 _ fp, ..})
= ChExeEntrypoint fp (map gmModuleName $ otherModules testBuildInfo)
componentEntrypoints (CTest TestSuite { testInterface = TestSuiteLibV09 _ mn, ..})
= ChLibEntrypoint [gmModuleName mn] (map gmModuleName $ otherModules testBuildInfo) []
componentEntrypoints (CTest TestSuite {})
= ChLibEntrypoint [] [] []
componentEntrypoints (CBench Benchmark { benchmarkInterface = BenchmarkExeV10 _ fp, ..})
= ChExeEntrypoint fp (map gmModuleName $ otherModules benchmarkBuildInfo)
componentEntrypoints (CBench Benchmark {})
= ChLibEntrypoint [] [] []
#if CH_MIN_VERSION_Cabal(2,0,0)
isInplaceCompInc :: ComponentLocalBuildInfo -> (OpenUnitId, ModuleRenaming) -> Bool
isInplaceCompInc clbi (DefiniteUnitId uid, _mr) = unDefUnitId uid `elem` componentInternalDeps clbi
isInplaceCompInc clbi (IndefFullUnitId uid _, _mmr) = False
#endif
#if CH_MIN_VERSION_Cabal(2,0,0)
isInplaceDep :: LocalBuildInfo -> ComponentLocalBuildInfo -> (UnitId, MungedPackageId) -> Bool
isInplaceDep lbi clbi (uid, _mpid) = uid `elem` componentInternalDeps clbi
#else
isInplaceDep :: LocalBuildInfo -> (InstalledPackageId, PackageId) -> Bool
# if CH_MIN_VERSION_Cabal(1,23,0)
-- CPP >= 1.23
isInplaceDep lbi (ipid, _pid) = localUnitId lbi == ipid
# else
-- CPP <= 1.22
isInplaceDep _lbi (ipid, pid) = inplacePackageId pid == ipid
# endif
#endif
#if CH_MIN_VERSION_Cabal(1,22,0)
-- CPP >= 1.22
-- >= 1.22 uses NubListR
nubPackageFlags opts = opts
#else
nubPackageFlags opts = opts { ghcOptPackages = nub $ ghcOptPackages opts }
#endif
renderGhcOptions' :: LocalBuildInfo
-> Verbosity
-> GhcOptions
-> IO [String]
#if !CH_MIN_VERSION_Cabal(1,20,0)
renderGhcOptions' lbi v opts = do
-- CPP < 1.20
(ghcProg, _) <- requireProgram v ghcProgram (withPrograms lbi)
let Just ghcVer = programVersion ghcProg
return $ renderGhcOptions ghcVer opts
#elif CH_MIN_VERSION_Cabal(1,20,0) && !CH_MIN_VERSION_Cabal(1,24,0)
renderGhcOptions' lbi _v opts = do
-- CPP >= 1.20 && < 1.24
return $ renderGhcOptions (compiler lbi) opts
#else
renderGhcOptions' lbi _v opts = do
-- CPP >= 1.24
return $ renderGhcOptions (compiler lbi) (hostPlatform lbi) opts
#endif