----------------------------------------------------------------------------- -- | -- Module : Distribution.Simple.GHC -- Copyright : Isaac Jones 2003-2007 -- -- Maintainer : Isaac Jones -- Stability : alpha -- Portability : portable -- -- Build and Install implementations for GHC. See -- 'Distribution.Simple.GHC.PackageConfig.GHCPackageConfig' for -- registration-related stuff. {- Copyright (c) 2003-2005, Isaac Jones All rights reserved. Redistribution and use in source and binary forms, with or without modiication, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of Isaac Jones nor the names of other contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -} module Distribution.Simple.GHC ( configure, getInstalledPackages, build, makefile, installLib, installExe, ghcOptions, ghcVerbosityOptions ) where import Distribution.Simple.GHC.Makefile import Distribution.Simple.Setup ( MakefileFlags(..), fromFlag, fromFlagOrDefault) import Distribution.PackageDescription ( PackageDescription(..), BuildInfo(..), withLib, Executable(..), withExe, Library(..), libModules, hcOptions ) import Distribution.InstalledPackageInfo ( InstalledPackageInfo , parseInstalledPackageInfo ) import Distribution.Simple.PackageIndex (PackageIndex) import qualified Distribution.Simple.PackageIndex as PackageIndex import Distribution.ParseUtils ( ParseResult(..) ) import Distribution.Simple.LocalBuildInfo ( LocalBuildInfo(..) ) import Distribution.Simple.BuildPaths import Distribution.Simple.Utils import Distribution.Package ( PackageIdentifier, Package(..) ) import Distribution.Simple.Program ( Program(..), ConfiguredProgram(..), ProgramConfiguration , rawSystemProgram, rawSystemProgramConf , rawSystemProgramStdout, rawSystemProgramStdoutConf, requireProgram , userMaybeSpecifyPath, programPath, lookupProgram, updateProgram , ghcProgram, ghcPkgProgram, arProgram, ranlibProgram, ldProgram , stripProgram ) import Distribution.Simple.Compiler ( CompilerFlavor(..), CompilerId(..), Compiler(..), compilerVersion , OptimisationLevel(..), PackageDB(..), Flag, extensionsToFlags ) import Distribution.Version ( Version(..), VersionRange(..), orLaterVersion ) import Distribution.System ( OS(..), buildOS ) import Distribution.Verbosity import Distribution.Text ( display, simpleParse ) import Language.Haskell.Extension (Extension(..)) import Control.Monad ( unless, when ) import Data.Char import Data.List ( nub ) import Data.Maybe ( catMaybes ) import Data.Monoid ( Monoid(mconcat) ) import System.Directory ( removeFile, renameFile, getDirectoryContents, doesFileExist, getTemporaryDirectory ) import System.FilePath ( (), (<.>), takeExtension, takeDirectory, replaceExtension, splitExtension ) import System.IO (openFile, IOMode(WriteMode), hClose, hPutStrLn) import Control.Exception as Exception ( catch, handle, try ) -- ----------------------------------------------------------------------------- -- Configuring configure :: Verbosity -> Maybe FilePath -> Maybe FilePath -> ProgramConfiguration -> IO (Compiler, ProgramConfiguration) configure verbosity hcPath hcPkgPath conf = do (ghcProg, conf') <- requireProgram verbosity ghcProgram (orLaterVersion (Version [6,4] [])) (userMaybeSpecifyPath "ghc" hcPath conf) let Just ghcVersion = programVersion ghcProg -- This is slightly tricky, we have to configure ghc first, then we use the -- location of ghc to help find ghc-pkg in the case that the user did not -- specify the location of ghc-pkg directly: (ghcPkgProg, conf'') <- requireProgram verbosity ghcPkgProgram { programFindLocation = guessGhcPkgFromGhcPath ghcProg } (orLaterVersion (Version [0] [])) (userMaybeSpecifyPath "ghc-pkg" hcPkgPath conf') let Just ghcPkgVersion = programVersion ghcPkgProg when (ghcVersion /= ghcPkgVersion) $ die $ "Version mismatch between ghc and ghc-pkg: " ++ programPath ghcProg ++ " is version " ++ display ghcVersion ++ " " ++ programPath ghcPkgProg ++ " is version " ++ display ghcPkgVersion -- finding ghc's local ld is a bit tricky as it's not on the path: let ldProgram' = case buildOS of Windows -> let compilerDir = takeDirectory (programPath ghcProg) baseDir = takeDirectory compilerDir binInstallLd = baseDir "gcc-lib" "ld.exe" in ldProgram { programFindLocation = \_ -> return (Just binInstallLd) } _ -> ldProgram -- we need to find out if ld supports the -x flag (ldProg, conf''') <- requireProgram verbosity ldProgram' AnyVersion conf'' tempDir <- getTemporaryDirectory ldx <- withTempFile tempDir ".c" $ \testcfile testchnd -> withTempFile tempDir ".o" $ \testofile testohnd -> do hPutStrLn testchnd "int foo() {}" hClose testchnd; hClose testohnd rawSystemProgram verbosity ghcProg ["-c", testcfile, "-o", testofile] withTempFile tempDir ".o" $ \testofile' testohnd' -> handle (\_ -> return False) $ do hClose testohnd' rawSystemProgramStdout verbosity ldProg ["-x", "-r", testofile, "-o", testofile'] return True let conf'''' = updateProgram ldProg { programArgs = if ldx then ["-x"] else [] } conf''' -- Yeah yeah, so obviously conf''''' is totally rediculious and the program -- configuration needs to be in a state monad. That is exactly the plan -- (along with some other stuff to give Cabal a better DSL). languageExtensions <- if ghcVersion >= Version [6,7] [] then do exts <- rawSystemStdout verbosity (programPath ghcProg) ["--supported-languages"] -- GHC has the annoying habit of inverting some of the extensions -- so we have to try parsing ("No" ++ ghcExtensionName) first let readExtension str = do ext <- simpleParse ("No" ++ str) case ext of UnknownExtension _ -> simpleParse str _ -> return ext return [ (ext, "-X" ++ display ext) | Just ext <- map readExtension (lines exts) ] else return oldLanguageExtensions let comp = Compiler { compilerId = CompilerId GHC ghcVersion, compilerExtensions = languageExtensions } return (comp, conf'''') -- | Given something like /usr/local/bin/ghc-6.6.1(.exe) we try and find a -- corresponding ghc-pkg, we try looking for both a versioned and unversioned -- ghc-pkg in the same dir, that is: -- -- > /usr/local/bin/ghc-pkg-6.6.1(.exe) -- > /usr/local/bin/ghc-pkg(.exe) -- guessGhcPkgFromGhcPath :: ConfiguredProgram -> Verbosity -> IO (Maybe FilePath) guessGhcPkgFromGhcPath ghcProg verbosity = do let path = programPath ghcProg dir = takeDirectory path versionSuffix = takeVersionSuffix (dropExeExtension path) guessNormal = dir "ghc-pkg" <.> exeExtension guessVersioned = dir ("ghc-pkg" ++ versionSuffix) <.> exeExtension guesses | null versionSuffix = [guessNormal] | otherwise = [guessVersioned, guessNormal] info verbosity $ "looking for package tool: ghc-pkg near compiler in " ++ dir exists <- mapM doesFileExist guesses case [ file | (file, True) <- zip guesses exists ] of [] -> return Nothing (pkgtool:_) -> do info verbosity $ "found package tool in " ++ pkgtool return (Just pkgtool) where takeVersionSuffix :: FilePath -> String takeVersionSuffix = reverse . takeWhile (`elem ` "0123456789.-") . reverse dropExeExtension :: FilePath -> FilePath dropExeExtension filepath = case splitExtension filepath of (filepath', extension) | extension == exeExtension -> filepath' | otherwise -> filepath -- | For GHC 6.6.x and earlier, the mapping from supported extensions to flags oldLanguageExtensions :: [(Extension, Flag)] oldLanguageExtensions = [(OverlappingInstances , "-fallow-overlapping-instances") ,(TypeSynonymInstances , "-fglasgow-exts") ,(TemplateHaskell , "-fth") ,(ForeignFunctionInterface , "-fffi") ,(NoMonomorphismRestriction , "-fno-monomorphism-restriction") ,(NoMonoPatBinds , "-fno-mono-pat-binds") ,(UndecidableInstances , "-fallow-undecidable-instances") ,(IncoherentInstances , "-fallow-incoherent-instances") ,(Arrows , "-farrows") ,(Generics , "-fgenerics") ,(NoImplicitPrelude , "-fno-implicit-prelude") ,(ImplicitParams , "-fimplicit-params") ,(CPP , "-cpp") ,(BangPatterns , "-fbang-patterns") ,(KindSignatures , fglasgowExts) ,(RecursiveDo , fglasgowExts) ,(ParallelListComp , fglasgowExts) ,(MultiParamTypeClasses , fglasgowExts) ,(FunctionalDependencies , fglasgowExts) ,(Rank2Types , fglasgowExts) ,(RankNTypes , fglasgowExts) ,(PolymorphicComponents , fglasgowExts) ,(ExistentialQuantification , fglasgowExts) ,(ScopedTypeVariables , "-fscoped-type-variables") ,(FlexibleContexts , fglasgowExts) ,(FlexibleInstances , fglasgowExts) ,(EmptyDataDecls , fglasgowExts) ,(PatternGuards , fglasgowExts) ,(GeneralizedNewtypeDeriving , fglasgowExts) ,(MagicHash , fglasgowExts) ,(UnicodeSyntax , fglasgowExts) ,(PatternSignatures , fglasgowExts) ,(UnliftedFFITypes , fglasgowExts) ,(LiberalTypeSynonyms , fglasgowExts) ,(TypeOperators , fglasgowExts) ,(GADTs , fglasgowExts) ,(RelaxedPolyRec , fglasgowExts) ,(ExtendedDefaultRules , "-fextended-default-rules") ,(UnboxedTuples , fglasgowExts) ,(DeriveDataTypeable , fglasgowExts) ,(ConstrainedClassMethods , fglasgowExts) ] where fglasgowExts = "-fglasgow-exts" getInstalledPackages :: Verbosity -> PackageDB -> ProgramConfiguration -> IO (PackageIndex InstalledPackageInfo) getInstalledPackages verbosity packagedb conf = do let packagedbs = case packagedb of GlobalPackageDB -> [GlobalPackageDB] _ -> [GlobalPackageDB, packagedb] pkgss <- getInstalledPackages' verbosity packagedbs conf return $ mconcat [ PackageIndex.fromList pkgs | (_, pkgs) <- pkgss ] -- | Get the packages from specific PackageDBs, not cumulative. -- getInstalledPackages' :: Verbosity -> [PackageDB] -> ProgramConfiguration -> IO [(PackageDB, [InstalledPackageInfo])] getInstalledPackages' verbosity packagedbs conf | ghcVersion >= Version [6,9] [] = sequence [ do str <- rawSystemProgramStdoutConf verbosity ghcPkgProgram conf ["describe", "*", packageDbGhcPkgFlag packagedb] `Exception.catch` \_ -> die $ "ghc-pkg describe * failed. If you are using ghc-6.9 " ++ "and have an empty user package database then this " ++ "is probably due to ghc bug #2201. The workaround is to " ++ "register at least one package in the user package db." case parsePackages str of Left ok -> return (packagedb, ok) _ -> die "failed to parse output of 'ghc-pkg describe *'" | packagedb <- packagedbs ] where parsePackages str = let parsed = map parseInstalledPackageInfo (splitPkgs str) in case [ msg | ParseFailed msg <- parsed ] of [] -> Left [ pkg | ParseOk _ pkg <- parsed ] msgs -> Right msgs Just ghcProg = lookupProgram ghcProgram conf Just ghcVersion = programVersion ghcProg splitPkgs :: String -> [String] splitPkgs = map unlines . split [] . lines where split [] [] = [] split acc [] = [reverse acc] split acc (l@('n':'a':'m':'e':':':_):ls) | null acc = split (l:[]) ls | otherwise = reverse acc : split (l:[]) ls split acc (l:ls) = split (l:acc) ls packageDbGhcPkgFlag GlobalPackageDB = "--global" packageDbGhcPkgFlag UserPackageDB = "--user" packageDbGhcPkgFlag (SpecificPackageDB path) = "--package-conf=" ++ path getInstalledPackages' verbosity packagedbs conf = do str <- rawSystemProgramStdoutConf verbosity ghcPkgProgram conf ["list"] let pkgFiles = [ init line | line <- lines str, last line == ':' ] dbFile packagedb = case (packagedb, pkgFiles) of (GlobalPackageDB, global:_) -> return $ Just global (UserPackageDB, _global:user:_) -> return $ Just user (UserPackageDB, _global:_) -> return $ Nothing (SpecificPackageDB specific, _) -> return $ Just specific _ -> die "cannot read ghc-pkg package listing" pkgFiles' <- mapM dbFile packagedbs sequence [ withFileContents file $ \content -> case reads content of [(pkgs, _)] -> return (db, pkgs) _ -> die $ "cannot read ghc package database " ++ file | (db , Just file) <- zip packagedbs pkgFiles' ] -- ----------------------------------------------------------------------------- -- Building -- |Building for GHC. If .ghc-packages exists and is readable, add -- it to the command-line. build :: PackageDescription -> LocalBuildInfo -> Verbosity -> IO () build pkg_descr lbi verbosity = do let pref = buildDir lbi pkgid = packageId pkg_descr runGhcProg = rawSystemProgramConf verbosity ghcProgram (withPrograms lbi) ifVanillaLib forceVanilla = when (forceVanilla || withVanillaLib lbi) ifProfLib = when (withProfLib lbi) ifSharedLib = when (withSharedLib lbi) ifGHCiLib = when (withGHCiLib lbi) -- Build lib withLib pkg_descr () $ \lib -> do info verbosity "Building library..." let libBi = libBuildInfo lib libTargetDir = pref forceVanillaLib = TemplateHaskell `elem` extensions libBi -- TH always needs vanilla libs, even when building for profiling createDirectoryIfMissingVerbose verbosity True libTargetDir -- TODO: do we need to put hs-boot files into place for mutually recurive modules? let ghcArgs = ["-package-name", display pkgid ] ++ constructGHCCmdLine lbi libBi libTargetDir verbosity ++ (libModules pkg_descr) ghcArgsProf = ghcArgs ++ ["-prof", "-hisuf", "p_hi", "-osuf", "p_o" ] ++ ghcProfOptions libBi ghcArgsShared = ghcArgs ++ ["-dynamic", "-hisuf", "dyn_hi", "-osuf", "dyn_o", "-fPIC" ] ++ ghcSharedOptions libBi unless (null (libModules pkg_descr)) $ do ifVanillaLib forceVanillaLib (runGhcProg ghcArgs) ifProfLib (runGhcProg ghcArgsProf) ifSharedLib (runGhcProg ghcArgsShared) -- build any C sources unless (null (cSources libBi)) $ do info verbosity "Building C Sources..." sequence_ [do let (odir,args) = constructCcCmdLine lbi libBi pref filename verbosity createDirectoryIfMissingVerbose verbosity True odir runGhcProg args ifSharedLib (runGhcProg (args ++ ["-fPIC", "-osuf dyn_o"])) | filename <- cSources libBi] -- link: info verbosity "Linking..." let cObjs = map (`replaceExtension` objExtension) (cSources libBi) cSharedObjs = map (`replaceExtension` ("dyn_" ++ objExtension)) (cSources libBi) vanillaLibFilePath = libTargetDir mkLibName pkgid profileLibFilePath = libTargetDir mkProfLibName pkgid sharedLibFilePath = libTargetDir mkSharedLibName pkgid (compilerId (compiler lbi)) ghciLibFilePath = libTargetDir mkGHCiLibName pkgid stubObjs <- fmap catMaybes $ sequence [ findFileWithExtension [objExtension] [libTargetDir] (dotToSep x ++"_stub") | x <- libModules pkg_descr ] stubProfObjs <- fmap catMaybes $ sequence [ findFileWithExtension ["p_" ++ objExtension] [libTargetDir] (dotToSep x ++"_stub") | x <- libModules pkg_descr ] stubSharedObjs <- fmap catMaybes $ sequence [ findFileWithExtension ["dyn_" ++ objExtension] [libTargetDir] (dotToSep x ++"_stub") | x <- libModules pkg_descr ] hObjs <- getHaskellObjects pkg_descr libBi lbi pref objExtension True hProfObjs <- if (withProfLib lbi) then getHaskellObjects pkg_descr libBi lbi pref ("p_" ++ objExtension) True else return [] hSharedObjs <- if (withSharedLib lbi) then getHaskellObjects pkg_descr libBi lbi pref ("dyn_" ++ objExtension) False else return [] unless (null hObjs && null cObjs && null stubObjs) $ do -- first remove library files if they exists sequence_ [ try (removeFile libFilePath) | libFilePath <- [vanillaLibFilePath, profileLibFilePath ,sharedLibFilePath, ghciLibFilePath] ] let arVerbosity | verbosity >= deafening = "v" | verbosity >= normal = "" | otherwise = "c" arArgs = ["q"++ arVerbosity] ++ [vanillaLibFilePath] arObjArgs = hObjs ++ map (pref ) cObjs ++ stubObjs arProfArgs = ["q"++ arVerbosity] ++ [profileLibFilePath] arProfObjArgs = hProfObjs ++ map (pref ) cObjs ++ stubProfObjs ldArgs = ["-r"] ++ ["-o", ghciLibFilePath <.> "tmp"] ldObjArgs = hObjs ++ map (pref ) cObjs ++ stubObjs ghcSharedObjArgs = hSharedObjs ++ map (pref ) cSharedObjs ++ stubSharedObjs -- After the relocation lib is created we invoke ghc -shared -- with the dependencies spelled out as -package arguments -- and ghc invokes the linker with the proper library paths ghcSharedLinkArgs = [ "-shared", "-dynamic", "-o", sharedLibFilePath ] ++ ghcSharedObjArgs ++ ["-package-name", display pkgid ] ++ (concat [ ["-package", display pkg] | pkg <- packageDeps lbi ]) ++ ["-l"++extraLib | extraLib <- extraLibs libBi] ++ ["-L"++extraLibDir | extraLibDir <- extraLibDirs libBi] runLd ldLibName args = do exists <- doesFileExist ldLibName -- This method is called iteratively by xargs. The -- output goes to .tmp, and any existing file -- named is included when linking. The -- output is renamed to . rawSystemProgramConf verbosity ldProgram (withPrograms lbi) (args ++ if exists then [ldLibName] else []) renameFile (ldLibName <.> "tmp") ldLibName runAr = rawSystemProgramConf verbosity arProgram (withPrograms lbi) --TODO: discover this at configure time or runtime on unix -- The value is 32k on Windows and posix specifies a minimum of 4k -- but all sensible unixes use more than 4k. -- we could use getSysVar ArgumentLimit but that's in the unix lib maxCommandLineSize = 30 * 1024 ifVanillaLib False $ xargs maxCommandLineSize runAr arArgs arObjArgs ifProfLib $ xargs maxCommandLineSize runAr arProfArgs arProfObjArgs ifGHCiLib $ xargs maxCommandLineSize (runLd ghciLibFilePath) ldArgs ldObjArgs ifSharedLib $ runGhcProg ghcSharedLinkArgs -- build any executables withExe pkg_descr $ \Executable { exeName = exeName', modulePath = modPath, buildInfo = exeBi } -> do info verbosity $ "Building executable: " ++ exeName' ++ "..." -- exeNameReal, the name that GHC really uses (with .exe on Windows) let exeNameReal = exeName' <.> (if null $ takeExtension exeName' then exeExtension else "") let targetDir = pref exeName' let exeDir = targetDir (exeName' ++ "-tmp") createDirectoryIfMissingVerbose verbosity True targetDir createDirectoryIfMissingVerbose verbosity True exeDir -- TODO: do we need to put hs-boot files into place for mutually recursive modules? -- FIX: what about exeName.hi-boot? -- build executables unless (null (cSources exeBi)) $ do info verbosity "Building C Sources." sequence_ [do let (odir,args) = constructCcCmdLine lbi exeBi exeDir filename verbosity createDirectoryIfMissingVerbose verbosity True odir runGhcProg args | filename <- cSources exeBi] srcMainFile <- findFile (exeDir : hsSourceDirs exeBi) modPath let cObjs = map (`replaceExtension` objExtension) (cSources exeBi) let binArgs linkExe profExe = (if linkExe then ["-o", targetDir exeNameReal] else ["-c"]) ++ constructGHCCmdLine lbi exeBi exeDir verbosity ++ [exeDir x | x <- cObjs] ++ [srcMainFile] ++ ldOptions exeBi ++ ["-l"++lib | lib <- extraLibs exeBi] ++ ["-L"++libDir | libDir <- extraLibDirs exeBi] ++ concat [["-framework", f] | f <- frameworks exeBi] ++ if profExe then ["-prof", "-hisuf", "p_hi", "-osuf", "p_o" ] ++ ghcProfOptions exeBi else [] -- For building exe's for profiling that use TH we actually -- have to build twice, once without profiling and the again -- with profiling. This is because the code that TH needs to -- run at compile time needs to be the vanilla ABI so it can -- be loaded up and run by the compiler. when (withProfExe lbi && TemplateHaskell `elem` extensions exeBi) (runGhcProg (binArgs False False)) runGhcProg (binArgs True (withProfExe lbi)) -- when using -split-objs, we need to search for object files in the -- Module_split directory for each module. getHaskellObjects :: PackageDescription -> BuildInfo -> LocalBuildInfo -> FilePath -> String -> Bool -> IO [FilePath] getHaskellObjects pkg_descr _ lbi pref wanted_obj_ext allow_split_objs | splitObjs lbi && allow_split_objs = do let dirs = [ pref (dotToSep x ++ "_split") | x <- libModules pkg_descr ] objss <- mapM getDirectoryContents dirs let objs = [ dir obj | (objs',dir) <- zip objss dirs, obj <- objs', let obj_ext = takeExtension obj, '.':wanted_obj_ext == obj_ext ] return objs | otherwise = return [ pref dotToSep x <.> wanted_obj_ext | x <- libModules pkg_descr ] constructGHCCmdLine :: LocalBuildInfo -> BuildInfo -> FilePath -> Verbosity -> [String] constructGHCCmdLine lbi bi odir verbosity = ["--make"] ++ ghcVerbosityOptions verbosity -- Unsupported extensions have already been checked by configure ++ ghcOptions lbi bi odir ghcVerbosityOptions :: Verbosity -> [String] ghcVerbosityOptions verbosity | verbosity >= deafening = ["-v"] | verbosity >= normal = [] | otherwise = ["-w", "-v0"] ghcOptions :: LocalBuildInfo -> BuildInfo -> FilePath -> [String] ghcOptions lbi bi odir = ["-hide-all-packages"] ++ (if splitObjs lbi then ["-split-objs"] else []) ++ ["-i"] ++ ["-i" ++ odir] ++ ["-i" ++ l | l <- nub (hsSourceDirs bi)] ++ ["-i" ++ autogenModulesDir lbi] ++ ["-I" ++ odir] ++ ["-I" ++ dir | dir <- includeDirs bi] ++ ["-optP" ++ opt | opt <- cppOptions bi] ++ ["-optc" ++ opt | opt <- ccOptions bi] ++ [ "-#include \"" ++ inc ++ "\"" | inc <- includes bi ] ++ [ "-odir", odir, "-hidir", odir ] ++ (if compilerVersion c >= Version [6,8] [] then ["-stubdir", odir] else []) ++ (concat [ ["-package", display pkg] | pkg <- packageDeps lbi ]) ++ (case withOptimization lbi of NoOptimisation -> [] NormalOptimisation -> ["-O"] MaximumOptimisation -> ["-O2"]) ++ hcOptions GHC bi ++ extensionsToFlags c (extensions bi) where c = compiler lbi constructCcCmdLine :: LocalBuildInfo -> BuildInfo -> FilePath -> FilePath -> Verbosity -> (FilePath,[String]) constructCcCmdLine lbi bi pref filename verbosity = let odir | compilerVersion (compiler lbi) >= Version [6,4,1] [] = pref | otherwise = pref takeDirectory filename -- ghc 6.4.1 fixed a bug in -odir handling -- for C compilations. in (odir, ghcCcOptions lbi bi odir ++ (if verbosity > deafening then ["-v"] else []) ++ ["-c",filename]) ghcCcOptions :: LocalBuildInfo -> BuildInfo -> FilePath -> [String] ghcCcOptions lbi bi odir = ["-I" ++ dir | dir <- includeDirs bi] ++ concat [ ["-package", display pkg] | pkg <- packageDeps lbi ] ++ ["-optc" ++ opt | opt <- ccOptions bi] ++ (case withOptimization lbi of NoOptimisation -> [] _ -> ["-optc-O2"]) ++ ["-odir", odir] mkGHCiLibName :: PackageIdentifier -> String mkGHCiLibName lib = "HS" ++ display lib <.> "o" -- ----------------------------------------------------------------------------- -- Building a Makefile makefile :: PackageDescription -> LocalBuildInfo -> MakefileFlags -> IO () makefile pkg_descr lbi flags = do let file = fromFlagOrDefault "Makefile"(makefileFile flags) verbosity = fromFlag (makefileVerbosity flags) targetExists <- doesFileExist file when targetExists $ die ("Not overwriting existing copy of " ++ file) h <- openFile file WriteMode let Just lib = library pkg_descr bi = libBuildInfo lib packageIdStr = display (packageId pkg_descr) (arProg, _) <- requireProgram verbosity arProgram AnyVersion (withPrograms lbi) (ldProg, _) <- requireProgram verbosity ldProgram AnyVersion (withPrograms lbi) let builddir = buildDir lbi Just ghcProg = lookupProgram ghcProgram (withPrograms lbi) let decls = [ ("modules", unwords (exposedModules lib ++ otherModules bi)), ("GHC", programPath ghcProg), ("GHC_VERSION", (display (compilerVersion (compiler lbi)))), ("WAYS", (if withProfLib lbi then "p " else "") ++ (if withSharedLib lbi then "dyn" else "")), ("odir", builddir), ("srcdir", case hsSourceDirs bi of [one] -> one _ -> error "makefile: can't cope with multiple hs-source-dirs yet, sorry"), ("package", packageIdStr), ("GHC_OPTS", unwords ( ["-package-name", packageIdStr ] ++ ghcOptions lbi bi (buildDir lbi))), ("MAKEFILE", file), ("C_SRCS", unwords (cSources bi)), ("GHC_CC_OPTS", unwords (ghcCcOptions lbi bi (buildDir lbi))), ("GHCI_LIB", builddir mkGHCiLibName (packageId pkg_descr)), ("soext", dllExtension), ("LIB_LD_OPTS", unwords (["-package-name", packageIdStr] ++ concat [ ["-package", display pkg] | pkg <- packageDeps lbi ] ++ ["-l"++libName | libName <- extraLibs bi] ++ ["-L"++libDir | libDir <- extraLibDirs bi])), ("AR", programPath arProg), ("LD", programPath ldProg ++ concat [" " ++ arg | arg <- programArgs ldProg ]) ] hPutStrLn h "# DO NOT EDIT! Automatically generated by Cabal\n" hPutStrLn h (unlines (map (\(a,b)-> a ++ " = " ++ munge b) decls)) hPutStrLn h makefileTemplate hClose h where munge "" = "" munge ('#':s) = '\\':'#':munge s munge ('\\':s) = '/':munge s -- for Windows, we want to use forward slashes in our pathnames in the Makefile munge (c:s) = c : munge s -- ----------------------------------------------------------------------------- -- Installing -- |Install executables for GHC. installExe :: Verbosity -- ^verbosity -> LocalBuildInfo -> FilePath -- ^install location -> FilePath -- ^Build location -> (FilePath, FilePath) -- ^Executable (prefix,suffix) -> PackageDescription -> IO () installExe verbosity lbi pref buildPref (progprefix, progsuffix) pkg_descr = do createDirectoryIfMissingVerbose verbosity True pref withExe pkg_descr $ \Executable { exeName = e } -> do let exeFileName = e <.> exeExtension fixedExeFileName = (progprefix ++ e ++ progsuffix) <.> exeExtension copyFileVerbose verbosity (buildPref e exeFileName) (pref fixedExeFileName) stripExe verbosity lbi exeFileName (pref fixedExeFileName) stripExe :: Verbosity -> LocalBuildInfo -> FilePath -> FilePath -> IO () stripExe verbosity lbi name path = when (stripExes lbi) $ case lookupProgram stripProgram (withPrograms lbi) of Just strip -> rawSystemProgram verbosity strip [path] Nothing -> warn verbosity $ "Unable to strip executable '" ++ name ++ "' (missing the 'strip' program)" -- |Install for ghc, .hi, .a and, if --with-ghci given, .o installLib :: Verbosity -- ^verbosity -> LocalBuildInfo -> FilePath -- ^install location -> FilePath -- ^install location for dynamic librarys -> FilePath -- ^Build location -> PackageDescription -> IO () installLib verbosity lbi targetDir dynlibTargetDir builtDir pkg@PackageDescription{library=Just _} = do -- copy .hi files over: let copyModuleFiles ext = smartCopySources verbosity [builtDir] targetDir (libModules pkg) [ext] ifVanilla $ copyModuleFiles "hi" ifProf $ copyModuleFiles "p_hi" -- copy the built library files over: ifVanilla $ copy builtDir targetDir vanillaLibName ifProf $ copy builtDir targetDir profileLibName ifGHCi $ copy builtDir targetDir ghciLibName ifShared $ copy builtDir dynlibTargetDir sharedLibName -- run ranlib if necessary: ifVanilla $ updateLibArchive verbosity lbi (targetDir vanillaLibName) ifProf $ updateLibArchive verbosity lbi (targetDir profileLibName) where vanillaLibName = mkLibName pkgid profileLibName = mkProfLibName pkgid ghciLibName = mkGHCiLibName pkgid sharedLibName = mkSharedLibName pkgid (compilerId (compiler lbi)) pkgid = packageId pkg copy src dst n = copyFileVerbose verbosity (src n) (dst n) ifVanilla = when (withVanillaLib lbi) ifProf = when (withProfLib lbi) ifGHCi = when (withGHCiLib lbi) ifShared = when (withSharedLib lbi) installLib _ _ _ _ _ PackageDescription{library=Nothing} = die $ "Internal Error. installLibGHC called with no library." -- | use @ranlib@ or @ar -s@ to build an index. This is necessary on systems -- like MacOS X. If we can't find those, don't worry too much about it. -- updateLibArchive :: Verbosity -> LocalBuildInfo -> FilePath -> IO () updateLibArchive verbosity lbi path = case lookupProgram ranlibProgram (withPrograms lbi) of Just ranlib -> rawSystemProgram verbosity ranlib [path] Nothing -> case lookupProgram arProgram (withPrograms lbi) of Just ar -> rawSystemProgram verbosity ar ["-s", path] Nothing -> warn verbosity $ "Unable to generate a symbol index for the static " ++ "library '" ++ path ++ "' (missing the 'ranlib' and 'ar' programs)"