module Distribution.Simple (
module Distribution.Package,
module Distribution.Version,
module Distribution.License,
module Distribution.Simple.Compiler,
module Language.Haskell.Extension,
defaultMain, defaultMainNoRead, defaultMainArgs,
UserHooks(..), Args,
defaultMainWithHooks, defaultMainWithHooksArgs,
defaultMainWithHooksNoRead, defaultMainWithHooksNoReadArgs,
simpleUserHooks,
autoconfUserHooks,
emptyUserHooks,
) where
import Control.Exception (try)
import Prelude ()
import Distribution.Compat.Prelude
import Distribution.Simple.Compiler
import Distribution.Simple.UserHooks
import Distribution.Package
import Distribution.PackageDescription
import Distribution.PackageDescription.Configuration
import Distribution.Simple.Program
import Distribution.Simple.Program.Db
import Distribution.Simple.PreProcess
import Distribution.Simple.Setup
import Distribution.Simple.Command
import Distribution.Simple.Build
import Distribution.Simple.SrcDist
import Distribution.Simple.Register
import Distribution.Simple.Configure
import Distribution.Simple.LocalBuildInfo
import Distribution.Simple.Bench
import Distribution.Simple.BuildPaths
import Distribution.Simple.Test
import Distribution.Simple.Install
import Distribution.Simple.Haddock
import Distribution.Simple.Doctest
import Distribution.Simple.Utils
import Distribution.Utils.NubList
import Distribution.Verbosity
import Language.Haskell.Extension
import Distribution.Version
import Distribution.License
import Distribution.Pretty
import Distribution.System (buildPlatform)
import System.Environment (getArgs, getProgName)
import System.Directory (removeFile, doesFileExist
,doesDirectoryExist, removeDirectoryRecursive)
import System.FilePath (searchPathSeparator, takeDirectory, (</>), splitDirectories, dropDrive)
import Distribution.Compat.ResponseFile (expandResponse)
import Distribution.Compat.Directory (makeAbsolute)
import Distribution.Compat.Environment (getEnvironment)
import Distribution.Compat.GetShortPathName (getShortPathName)
import Data.List (unionBy, (\\))
import Distribution.PackageDescription.Parsec
defaultMain :: IO ()
defaultMain = getArgs >>= defaultMainHelper simpleUserHooks
defaultMainArgs :: [String] -> IO ()
defaultMainArgs = defaultMainHelper simpleUserHooks
defaultMainWithHooks :: UserHooks -> IO ()
defaultMainWithHooks hooks = getArgs >>= defaultMainHelper hooks
defaultMainWithHooksArgs :: UserHooks -> [String] -> IO ()
defaultMainWithHooksArgs = defaultMainHelper
defaultMainNoRead :: GenericPackageDescription -> IO ()
defaultMainNoRead = defaultMainWithHooksNoRead simpleUserHooks
defaultMainWithHooksNoRead :: UserHooks -> GenericPackageDescription -> IO ()
defaultMainWithHooksNoRead hooks pkg_descr =
getArgs >>=
defaultMainHelper hooks { readDesc = return (Just pkg_descr) }
defaultMainWithHooksNoReadArgs :: UserHooks -> GenericPackageDescription -> [String] -> IO ()
defaultMainWithHooksNoReadArgs hooks pkg_descr =
defaultMainHelper hooks { readDesc = return (Just pkg_descr) }
defaultMainHelper :: UserHooks -> Args -> IO ()
defaultMainHelper hooks args = topHandler $ do
args' <- expandResponse args
case commandsRun (globalCommand commands) commands args' of
CommandHelp help -> printHelp help
CommandList opts -> printOptionsList opts
CommandErrors errs -> printErrors errs
CommandReadyToGo (flags, commandParse) ->
case commandParse of
_ | fromFlag (globalVersion flags) -> printVersion
| fromFlag (globalNumericVersion flags) -> printNumericVersion
CommandHelp help -> printHelp help
CommandList opts -> printOptionsList opts
CommandErrors errs -> printErrors errs
CommandReadyToGo action -> action
where
printHelp help = getProgName >>= putStr . help
printOptionsList = putStr . unlines
printErrors errs = do
putStr (intercalate "\n" errs)
exitWith (ExitFailure 1)
printNumericVersion = putStrLn $ prettyShow cabalVersion
printVersion = putStrLn $ "Cabal library version "
++ prettyShow cabalVersion
progs = addKnownPrograms (hookedPrograms hooks) defaultProgramDb
commands =
[configureCommand progs `commandAddAction`
\fs as -> configureAction hooks fs as >> return ()
,buildCommand progs `commandAddAction` buildAction hooks
,showBuildInfoCommand progs `commandAddAction` showBuildInfoAction hooks
,replCommand progs `commandAddAction` replAction hooks
,installCommand `commandAddAction` installAction hooks
,copyCommand `commandAddAction` copyAction hooks
,doctestCommand `commandAddAction` doctestAction hooks
,haddockCommand `commandAddAction` haddockAction hooks
,cleanCommand `commandAddAction` cleanAction hooks
,sdistCommand `commandAddAction` sdistAction hooks
,hscolourCommand `commandAddAction` hscolourAction hooks
,registerCommand `commandAddAction` registerAction hooks
,unregisterCommand `commandAddAction` unregisterAction hooks
,testCommand `commandAddAction` testAction hooks
,benchmarkCommand `commandAddAction` benchAction hooks
]
allSuffixHandlers :: UserHooks
-> [PPSuffixHandler]
allSuffixHandlers hooks
= overridesPP (hookedPreProcessors hooks) knownSuffixHandlers
where
overridesPP :: [PPSuffixHandler] -> [PPSuffixHandler] -> [PPSuffixHandler]
overridesPP = unionBy (\x y -> fst x == fst y)
configureAction :: UserHooks -> ConfigFlags -> Args -> IO LocalBuildInfo
configureAction hooks flags args = do
distPref <- findDistPrefOrDefault (configDistPref flags)
let flags' = flags { configDistPref = toFlag distPref
, configArgs = args }
pbi <- preConf hooks args flags'
(mb_pd_file, pkg_descr0) <- confPkgDescr hooks verbosity
(flagToMaybe (configCabalFilePath flags))
let epkg_descr = (pkg_descr0, pbi)
localbuildinfo0 <- confHook hooks epkg_descr flags'
let localbuildinfo = localbuildinfo0 {
pkgDescrFile = mb_pd_file,
extraConfigArgs = args
}
writePersistBuildConfig distPref localbuildinfo
let pkg_descr = localPkgDescr localbuildinfo
postConf hooks args flags' pkg_descr localbuildinfo
return localbuildinfo
where
verbosity = fromFlag (configVerbosity flags)
confPkgDescr :: UserHooks -> Verbosity -> Maybe FilePath
-> IO (Maybe FilePath, GenericPackageDescription)
confPkgDescr hooks verbosity mb_path = do
mdescr <- readDesc hooks
case mdescr of
Just descr -> return (Nothing, descr)
Nothing -> do
pdfile <- case mb_path of
Nothing -> defaultPackageDesc verbosity
Just path -> return path
info verbosity "Using Parsec parser"
descr <- readGenericPackageDescription verbosity pdfile
return (Just pdfile, descr)
buildAction :: UserHooks -> BuildFlags -> Args -> IO ()
buildAction hooks flags args = do
distPref <- findDistPrefOrDefault (buildDistPref flags)
let verbosity = fromFlag $ buildVerbosity flags
lbi <- getBuildConfig hooks verbosity distPref
let flags' = flags { buildDistPref = toFlag distPref
, buildCabalFilePath = maybeToFlag (cabalFilePath lbi)}
progs <- reconfigurePrograms verbosity
(buildProgramPaths flags')
(buildProgramArgs flags')
(withPrograms lbi)
hookedAction verbosity preBuild buildHook postBuild
(return lbi { withPrograms = progs })
hooks flags' { buildArgs = args } args
showBuildInfoAction :: UserHooks -> ShowBuildInfoFlags -> Args -> IO ()
showBuildInfoAction hooks (ShowBuildInfoFlags flags fileOutput) args = do
distPref <- findDistPrefOrDefault (buildDistPref flags)
let verbosity = fromFlag $ buildVerbosity flags
lbi <- getBuildConfig hooks verbosity distPref
let flags' = flags { buildDistPref = toFlag distPref
, buildCabalFilePath = maybeToFlag (cabalFilePath lbi)
}
progs <- reconfigurePrograms verbosity
(buildProgramPaths flags')
(buildProgramArgs flags')
(withPrograms lbi)
pbi <- preBuild hooks args flags'
let lbi' = lbi { withPrograms = progs }
pkg_descr0 = localPkgDescr lbi'
pkg_descr = updatePackageDescription pbi pkg_descr0
buildInfoString <- showBuildInfo pkg_descr lbi' flags
case fileOutput of
Nothing -> putStr buildInfoString
Just fp -> writeFile fp buildInfoString
postBuild hooks args flags' pkg_descr lbi'
replAction :: UserHooks -> ReplFlags -> Args -> IO ()
replAction hooks flags args = do
distPref <- findDistPrefOrDefault (replDistPref flags)
let verbosity = fromFlag $ replVerbosity flags
flags' = flags { replDistPref = toFlag distPref }
lbi <- getBuildConfig hooks verbosity distPref
progs <- reconfigurePrograms verbosity
(replProgramPaths flags')
(replProgramArgs flags')
(withPrograms lbi)
pbi <- preRepl hooks args flags'
let pkg_descr0 = localPkgDescr lbi
sanityCheckHookedBuildInfo verbosity pkg_descr0 pbi
let pkg_descr = updatePackageDescription pbi pkg_descr0
lbi' = lbi { withPrograms = progs
, localPkgDescr = pkg_descr }
replHook hooks pkg_descr lbi' hooks flags' args
postRepl hooks args flags' pkg_descr lbi'
hscolourAction :: UserHooks -> HscolourFlags -> Args -> IO ()
hscolourAction hooks flags args = do
distPref <- findDistPrefOrDefault (hscolourDistPref flags)
let verbosity = fromFlag $ hscolourVerbosity flags
lbi <- getBuildConfig hooks verbosity distPref
let flags' = flags { hscolourDistPref = toFlag distPref
, hscolourCabalFilePath = maybeToFlag (cabalFilePath lbi)}
hookedAction verbosity preHscolour hscolourHook postHscolour
(getBuildConfig hooks verbosity distPref)
hooks flags' args
doctestAction :: UserHooks -> DoctestFlags -> Args -> IO ()
doctestAction hooks flags args = do
distPref <- findDistPrefOrDefault (doctestDistPref flags)
let verbosity = fromFlag $ doctestVerbosity flags
flags' = flags { doctestDistPref = toFlag distPref }
lbi <- getBuildConfig hooks verbosity distPref
progs <- reconfigurePrograms verbosity
(doctestProgramPaths flags')
(doctestProgramArgs flags')
(withPrograms lbi)
hookedAction verbosity preDoctest doctestHook postDoctest
(return lbi { withPrograms = progs })
hooks flags' args
haddockAction :: UserHooks -> HaddockFlags -> Args -> IO ()
haddockAction hooks flags args = do
distPref <- findDistPrefOrDefault (haddockDistPref flags)
let verbosity = fromFlag $ haddockVerbosity flags
lbi <- getBuildConfig hooks verbosity distPref
let flags' = flags { haddockDistPref = toFlag distPref
, haddockCabalFilePath = maybeToFlag (cabalFilePath lbi)}
progs <- reconfigurePrograms verbosity
(haddockProgramPaths flags')
(haddockProgramArgs flags')
(withPrograms lbi)
hookedAction verbosity preHaddock haddockHook postHaddock
(return lbi { withPrograms = progs })
hooks flags' { haddockArgs = args } args
cleanAction :: UserHooks -> CleanFlags -> Args -> IO ()
cleanAction hooks flags args = do
distPref <- findDistPrefOrDefault (cleanDistPref flags)
elbi <- tryGetBuildConfig hooks verbosity distPref
let flags' = flags { cleanDistPref = toFlag distPref
, cleanCabalFilePath = case elbi of
Left _ -> mempty
Right lbi -> maybeToFlag (cabalFilePath lbi)}
pbi <- preClean hooks args flags'
(_, ppd) <- confPkgDescr hooks verbosity Nothing
let pkg_descr0 = flattenPackageDescription ppd
let pkg_descr = updatePackageDescription pbi pkg_descr0
cleanHook hooks pkg_descr () hooks flags'
postClean hooks args flags' pkg_descr ()
where
verbosity = fromFlag (cleanVerbosity flags)
copyAction :: UserHooks -> CopyFlags -> Args -> IO ()
copyAction hooks flags args = do
distPref <- findDistPrefOrDefault (copyDistPref flags)
let verbosity = fromFlag $ copyVerbosity flags
lbi <- getBuildConfig hooks verbosity distPref
let flags' = flags { copyDistPref = toFlag distPref
, copyCabalFilePath = maybeToFlag (cabalFilePath lbi)}
hookedAction verbosity preCopy copyHook postCopy
(getBuildConfig hooks verbosity distPref)
hooks flags' { copyArgs = args } args
installAction :: UserHooks -> InstallFlags -> Args -> IO ()
installAction hooks flags args = do
distPref <- findDistPrefOrDefault (installDistPref flags)
let verbosity = fromFlag $ installVerbosity flags
lbi <- getBuildConfig hooks verbosity distPref
let flags' = flags { installDistPref = toFlag distPref
, installCabalFilePath = maybeToFlag (cabalFilePath lbi)}
hookedAction verbosity preInst instHook postInst
(getBuildConfig hooks verbosity distPref)
hooks flags' args
sdistAction :: UserHooks -> SDistFlags -> Args -> IO ()
sdistAction _hooks flags _args = do
(_, ppd) <- confPkgDescr emptyUserHooks verbosity Nothing
let pkg_descr = flattenPackageDescription ppd
sdist pkg_descr flags srcPref knownSuffixHandlers
where
verbosity = fromFlag (sDistVerbosity flags)
testAction :: UserHooks -> TestFlags -> Args -> IO ()
testAction hooks flags args = do
distPref <- findDistPrefOrDefault (testDistPref flags)
let verbosity = fromFlag $ testVerbosity flags
flags' = flags { testDistPref = toFlag distPref }
hookedActionWithArgs verbosity preTest testHook postTest
(getBuildConfig hooks verbosity distPref)
hooks flags' args
benchAction :: UserHooks -> BenchmarkFlags -> Args -> IO ()
benchAction hooks flags args = do
distPref <- findDistPrefOrDefault (benchmarkDistPref flags)
let verbosity = fromFlag $ benchmarkVerbosity flags
flags' = flags { benchmarkDistPref = toFlag distPref }
hookedActionWithArgs verbosity preBench benchHook postBench
(getBuildConfig hooks verbosity distPref)
hooks flags' args
registerAction :: UserHooks -> RegisterFlags -> Args -> IO ()
registerAction hooks flags args = do
distPref <- findDistPrefOrDefault (regDistPref flags)
let verbosity = fromFlag $ regVerbosity flags
lbi <- getBuildConfig hooks verbosity distPref
let flags' = flags { regDistPref = toFlag distPref
, regCabalFilePath = maybeToFlag (cabalFilePath lbi)}
hookedAction verbosity preReg regHook postReg
(getBuildConfig hooks verbosity distPref)
hooks flags' { regArgs = args } args
unregisterAction :: UserHooks -> RegisterFlags -> Args -> IO ()
unregisterAction hooks flags args = do
distPref <- findDistPrefOrDefault (regDistPref flags)
let verbosity = fromFlag $ regVerbosity flags
lbi <- getBuildConfig hooks verbosity distPref
let flags' = flags { regDistPref = toFlag distPref
, regCabalFilePath = maybeToFlag (cabalFilePath lbi)}
hookedAction verbosity preUnreg unregHook postUnreg
(getBuildConfig hooks verbosity distPref)
hooks flags' args
hookedAction
:: Verbosity
-> (UserHooks -> Args -> flags -> IO HookedBuildInfo)
-> (UserHooks -> PackageDescription -> LocalBuildInfo
-> UserHooks -> flags -> IO ())
-> (UserHooks -> Args -> flags -> PackageDescription
-> LocalBuildInfo -> IO ())
-> IO LocalBuildInfo
-> UserHooks -> flags -> Args -> IO ()
hookedAction verbosity pre_hook cmd_hook =
hookedActionWithArgs verbosity pre_hook
(\h _ pd lbi uh flags ->
cmd_hook h pd lbi uh flags)
hookedActionWithArgs
:: Verbosity
-> (UserHooks -> Args -> flags -> IO HookedBuildInfo)
-> (UserHooks -> Args -> PackageDescription -> LocalBuildInfo
-> UserHooks -> flags -> IO ())
-> (UserHooks -> Args -> flags -> PackageDescription
-> LocalBuildInfo -> IO ())
-> IO LocalBuildInfo
-> UserHooks -> flags -> Args -> IO ()
hookedActionWithArgs verbosity pre_hook cmd_hook post_hook
get_build_config hooks flags args = do
pbi <- pre_hook hooks args flags
lbi0 <- get_build_config
let pkg_descr0 = localPkgDescr lbi0
sanityCheckHookedBuildInfo verbosity pkg_descr0 pbi
let pkg_descr = updatePackageDescription pbi pkg_descr0
lbi = lbi0 { localPkgDescr = pkg_descr }
cmd_hook hooks args pkg_descr lbi hooks flags
post_hook hooks args flags pkg_descr lbi
sanityCheckHookedBuildInfo
:: Verbosity -> PackageDescription -> HookedBuildInfo -> IO ()
sanityCheckHookedBuildInfo verbosity
(PackageDescription { library = Nothing }) (Just _,_)
= die' verbosity $ "The buildinfo contains info for a library, "
++ "but the package does not have a library."
sanityCheckHookedBuildInfo verbosity pkg_descr (_, hookExes)
| exe1 : _ <- nonExistant
= die' verbosity $ "The buildinfo contains info for an executable called '"
++ prettyShow exe1 ++ "' but the package does not have a "
++ "executable with that name."
where
pkgExeNames = nub (map exeName (executables pkg_descr))
hookExeNames = nub (map fst hookExes)
nonExistant = hookExeNames \\ pkgExeNames
sanityCheckHookedBuildInfo _ _ _ = return ()
tryGetBuildConfig :: UserHooks -> Verbosity -> FilePath
-> IO (Either ConfigStateFileError LocalBuildInfo)
tryGetBuildConfig u v = try . getBuildConfig u v
getBuildConfig :: UserHooks -> Verbosity -> FilePath -> IO LocalBuildInfo
getBuildConfig hooks verbosity distPref = do
lbi_wo_programs <- getPersistBuildConfig distPref
let lbi = lbi_wo_programs {
withPrograms = restoreProgramDb
(builtinPrograms ++ hookedPrograms hooks)
(withPrograms lbi_wo_programs)
}
case pkgDescrFile lbi of
Nothing -> return lbi
Just pkg_descr_file -> do
outdated <- checkPersistBuildConfigOutdated distPref pkg_descr_file
if outdated
then reconfigure pkg_descr_file lbi
else return lbi
where
reconfigure :: FilePath -> LocalBuildInfo -> IO LocalBuildInfo
reconfigure pkg_descr_file lbi = do
notice verbosity $ pkg_descr_file ++ " has been changed. "
++ "Re-configuring with most recently used options. "
++ "If this fails, please run configure manually.\n"
let cFlags = configFlags lbi
let cFlags' = cFlags {
configPrograms_ = fmap (restoreProgramDb
(builtinPrograms ++ hookedPrograms hooks))
`fmap` configPrograms_ cFlags,
configVerbosity = Flag verbosity
}
configureAction hooks cFlags' (extraConfigArgs lbi)
clean :: PackageDescription -> CleanFlags -> IO ()
clean pkg_descr flags = do
let distPref = fromFlagOrDefault defaultDistPref $ cleanDistPref flags
notice verbosity "cleaning..."
maybeConfig <- if fromFlag (cleanSaveConf flags)
then maybeGetPersistBuildConfig distPref
else return Nothing
chattyTry "removing dist/" $ do
exists <- doesDirectoryExist distPref
when exists (removeDirectoryRecursive distPref)
traverse_ removeFileOrDirectory (extraTmpFiles pkg_descr)
traverse_ (writePersistBuildConfig distPref) maybeConfig
where
removeFileOrDirectory :: FilePath -> IO ()
removeFileOrDirectory fname = do
isDir <- doesDirectoryExist fname
isFile <- doesFileExist fname
if isDir then removeDirectoryRecursive fname
else when isFile $ removeFile fname
verbosity = fromFlag (cleanVerbosity flags)
simpleUserHooks :: UserHooks
simpleUserHooks =
emptyUserHooks {
confHook = configure,
postConf = finalChecks,
buildHook = defaultBuildHook,
replHook = defaultReplHook,
copyHook = \desc lbi _ f -> install desc lbi f,
testHook = defaultTestHook,
benchHook = defaultBenchHook,
instHook = defaultInstallHook,
cleanHook = \p _ _ f -> clean p f,
hscolourHook = \p l h f -> hscolour p l (allSuffixHandlers h) f,
haddockHook = \p l h f -> haddock p l (allSuffixHandlers h) f,
doctestHook = \p l h f -> doctest p l (allSuffixHandlers h) f,
regHook = defaultRegHook,
unregHook = \p l _ f -> unregister p l f
}
where
finalChecks _args flags pkg_descr lbi =
checkForeignDeps pkg_descr lbi (lessVerbose verbosity)
where
verbosity = fromFlag (configVerbosity flags)
autoconfUserHooks :: UserHooks
autoconfUserHooks
= simpleUserHooks
{
postConf = defaultPostConf,
preBuild = readHookWithArgs buildVerbosity buildDistPref,
preCopy = readHookWithArgs copyVerbosity copyDistPref,
preClean = readHook cleanVerbosity cleanDistPref,
preInst = readHook installVerbosity installDistPref,
preHscolour = readHook hscolourVerbosity hscolourDistPref,
preHaddock = readHookWithArgs haddockVerbosity haddockDistPref,
preReg = readHook regVerbosity regDistPref,
preUnreg = readHook regVerbosity regDistPref
}
where defaultPostConf :: Args -> ConfigFlags -> PackageDescription
-> LocalBuildInfo -> IO ()
defaultPostConf args flags pkg_descr lbi
= do let verbosity = fromFlag (configVerbosity flags)
baseDir lbi' = fromMaybe ""
(takeDirectory <$> cabalFilePath lbi')
confExists <- doesFileExist $ (baseDir lbi) </> "configure"
if confExists
then runConfigureScript verbosity
backwardsCompatHack flags lbi
else die' verbosity "configure script not found."
pbi <- getHookedBuildInfo verbosity (buildDir lbi)
sanityCheckHookedBuildInfo verbosity pkg_descr pbi
let pkg_descr' = updatePackageDescription pbi pkg_descr
lbi' = lbi { localPkgDescr = pkg_descr' }
postConf simpleUserHooks args flags pkg_descr' lbi'
backwardsCompatHack = False
readHookWithArgs :: (a -> Flag Verbosity)
-> (a -> Flag FilePath)
-> Args -> a
-> IO HookedBuildInfo
readHookWithArgs get_verbosity get_dist_pref _ flags = do
dist_dir <- findDistPrefOrDefault (get_dist_pref flags)
getHookedBuildInfo verbosity (dist_dir </> "build")
where
verbosity = fromFlag (get_verbosity flags)
readHook :: (a -> Flag Verbosity)
-> (a -> Flag FilePath)
-> Args -> a -> IO HookedBuildInfo
readHook get_verbosity get_dist_pref a flags = do
noExtraFlags a
dist_dir <- findDistPrefOrDefault (get_dist_pref flags)
getHookedBuildInfo verbosity (dist_dir </> "build")
where
verbosity = fromFlag (get_verbosity flags)
runConfigureScript :: Verbosity -> Bool -> ConfigFlags -> LocalBuildInfo
-> IO ()
runConfigureScript verbosity backwardsCompatHack flags lbi = do
env <- getEnvironment
let programDb = withPrograms lbi
(ccProg, ccFlags) <- configureCCompiler verbosity programDb
ccProgShort <- getShortPathName ccProg
configureFile <- makeAbsolute $
fromMaybe "." (takeDirectory <$> cabalFilePath lbi) </> "configure"
let configureFile' = intercalate "/" $ splitDirectories configureFile
for_ badAutoconfCharacters $ \(c, cname) ->
when (c `elem` dropDrive configureFile') $
warn verbosity $ concat
[ "The path to the './configure' script, '", configureFile'
, "', contains the character '", [c], "' (", cname, ")."
, " This may cause the script to fail with an obscure error, or for"
, " building the package to fail later."
]
let extraPath = fromNubList $ configProgramPathExtra flags
let cflagsEnv = maybe (unwords ccFlags) (++ (" " ++ unwords ccFlags))
$ lookup "CFLAGS" env
spSep = [searchPathSeparator]
pathEnv = maybe (intercalate spSep extraPath)
((intercalate spSep extraPath ++ spSep)++) $ lookup "PATH" env
overEnv = ("CFLAGS", Just cflagsEnv) :
[("PATH", Just pathEnv) | not (null extraPath)]
hp = hostPlatform lbi
maybeHostFlag = if hp == buildPlatform then [] else ["--host=" ++ show (pretty hp)]
args' = configureFile':args ++ ["CC=" ++ ccProgShort] ++ maybeHostFlag
shProg = simpleProgram "sh"
progDb = modifyProgramSearchPath
(\p -> map ProgramSearchPathDir extraPath ++ p) emptyProgramDb
shConfiguredProg <- lookupProgram shProg
`fmap` configureProgram verbosity shProg progDb
case shConfiguredProg of
Just sh -> runProgramInvocation verbosity $
(programInvocation (sh {programOverrideEnv = overEnv}) args')
{ progInvokeCwd = Just (buildDir lbi) }
Nothing -> die' verbosity notFoundMsg
where
args = configureArgs backwardsCompatHack flags
notFoundMsg = "The package has a './configure' script. "
++ "If you are on Windows, This requires a "
++ "Unix compatibility toolchain such as MinGW+MSYS or Cygwin. "
++ "If you are not on Windows, ensure that an 'sh' command "
++ "is discoverable in your path."
badAutoconfCharacters :: [(Char, String)]
badAutoconfCharacters =
[ (' ', "space")
, ('\t', "tab")
, ('\n', "newline")
, ('\0', "null")
, ('"', "double quote")
, ('#', "hash")
, ('$', "dollar sign")
, ('&', "ampersand")
, ('\'', "single quote")
, ('(', "left bracket")
, (')', "right bracket")
, ('*', "star")
, (';', "semicolon")
, ('<', "less-than sign")
, ('=', "equals sign")
, ('>', "greater-than sign")
, ('?', "question mark")
, ('[', "left square bracket")
, ('\\', "backslash")
, ('`', "backtick")
, ('|', "pipe")
]
getHookedBuildInfo :: Verbosity -> FilePath -> IO HookedBuildInfo
getHookedBuildInfo verbosity build_dir = do
maybe_infoFile <- findHookedPackageDesc verbosity build_dir
case maybe_infoFile of
Nothing -> return emptyHookedBuildInfo
Just infoFile -> do
info verbosity $ "Reading parameters from " ++ infoFile
readHookedBuildInfo verbosity infoFile
defaultTestHook :: Args -> PackageDescription -> LocalBuildInfo
-> UserHooks -> TestFlags -> IO ()
defaultTestHook args pkg_descr localbuildinfo _ flags =
test args pkg_descr localbuildinfo flags
defaultBenchHook :: Args -> PackageDescription -> LocalBuildInfo
-> UserHooks -> BenchmarkFlags -> IO ()
defaultBenchHook args pkg_descr localbuildinfo _ flags =
bench args pkg_descr localbuildinfo flags
defaultInstallHook :: PackageDescription -> LocalBuildInfo
-> UserHooks -> InstallFlags -> IO ()
defaultInstallHook pkg_descr localbuildinfo _ flags = do
let copyFlags = defaultCopyFlags {
copyDistPref = installDistPref flags,
copyDest = installDest flags,
copyVerbosity = installVerbosity flags
}
install pkg_descr localbuildinfo copyFlags
let registerFlags = defaultRegisterFlags {
regDistPref = installDistPref flags,
regInPlace = installInPlace flags,
regPackageDB = installPackageDB flags,
regVerbosity = installVerbosity flags
}
when (hasLibs pkg_descr) $ register pkg_descr localbuildinfo registerFlags
defaultBuildHook :: PackageDescription -> LocalBuildInfo
-> UserHooks -> BuildFlags -> IO ()
defaultBuildHook pkg_descr localbuildinfo hooks flags =
build pkg_descr localbuildinfo flags (allSuffixHandlers hooks)
defaultReplHook :: PackageDescription -> LocalBuildInfo
-> UserHooks -> ReplFlags -> [String] -> IO ()
defaultReplHook pkg_descr localbuildinfo hooks flags args =
repl pkg_descr localbuildinfo flags (allSuffixHandlers hooks) args
defaultRegHook :: PackageDescription -> LocalBuildInfo
-> UserHooks -> RegisterFlags -> IO ()
defaultRegHook pkg_descr localbuildinfo _ flags =
if hasLibs pkg_descr
then register pkg_descr localbuildinfo flags
else setupMessage (fromFlag (regVerbosity flags))
"Package contains no library to register:" (packageId pkg_descr)