Cabal-1.2.2.0: Distribution/Simple/GHC.hs
{-# OPTIONS -cpp #-}
-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Simple.GHC
-- Copyright : Isaac Jones 2003-2007
--
-- Maintainer : Isaac Jones <ijones@syntaxpolice.org>
-- Stability : alpha
-- Portability : portable
--
-- Build and Install implementations for GHC. See
-- 'Distribution.Simple.GHCPackageConfig.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,
ghcVerbosityOptions
) where
import Distribution.Simple.GHC.Makefile
import Distribution.Simple.Setup ( MakefileFlags(..) )
import Distribution.PackageDescription
( PackageDescription(..), BuildInfo(..),
withLib, setupMessage,
Executable(..), withExe, Library(..),
libModules, hcOptions )
import Distribution.Simple.LocalBuildInfo
( LocalBuildInfo(..), autogenModulesDir, distPref )
import Distribution.Simple.Utils
import Distribution.Package ( PackageIdentifier(..), showPackageId,
parsePackageId )
import Distribution.Simple.Program ( rawSystemProgram, rawSystemProgramConf,
rawSystemProgramStdoutConf,
rawSystemProgramStdout,
Program(..), ConfiguredProgram(..),
ProgramConfiguration, addKnownProgram,
userMaybeSpecifyPath, requireProgram,
programPath, lookupProgram, updateProgram,
ghcProgram, ghcPkgProgram,
arProgram, ranlibProgram, ldProgram )
import Distribution.Simple.Compiler
import Distribution.Version ( Version(..), showVersion,
VersionRange(..), orLaterVersion )
import qualified Distribution.Simple.GHC.PackageConfig as GHC
( localPackageConfig,
canReadLocalPackageConfig )
import Distribution.System
import Distribution.Verbosity
import Language.Haskell.Extension (Extension(..))
import Distribution.Compat.ReadP
( readP_to_S, many, skipSpaces )
import Control.Monad ( unless, when )
import Data.Char
import Data.List ( nub, isPrefixOf )
import System.Directory ( removeFile, renameFile,
getDirectoryContents, doesFileExist )
import System.FilePath ( (</>), (<.>), takeExtension,
takeDirectory, replaceExtension, splitExtension )
import System.IO
import Control.Exception as Exception (catch)
-- System.IO used to export a different try, so we can't use try unqualified
#ifndef __NHC__
import Control.Exception as Try
#else
import IO as Try
#endif
-- -----------------------------------------------------------------------------
-- Configuring
configure :: Verbosity -> Maybe FilePath -> Maybe FilePath
-> ProgramConfiguration -> IO (Compiler, ProgramConfiguration)
configure verbosity hcPath hcPkgPath conf = do
(ghcProg, conf') <- requireProgram verbosity ghcProgram
(orLaterVersion (Version [6,2] []))
(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:\n"
++ programPath ghcProg ++ " is version " ++ showVersion ghcVersion ++ "\n"
++ programPath ghcPkgProg ++ " is version " ++ showVersion ghcPkgVersion
-- finding ghc's local ld is a bit tricky as it's not on the path:
let conf''' = case os of
Windows _ ->
let compilerDir = takeDirectory (programPath ghcProg)
baseDir = takeDirectory compilerDir
binInstallLd = baseDir </> "gcc-lib" </> "ld.exe"
in addKnownProgram ldProgram {
programFindLocation = \_ -> return (Just binInstallLd)
} conf''
_ -> conf''
-- we need to find out if ld supports the -x flag
(ldProg, conf'''') <- requireProgram verbosity ldProgram AnyVersion conf'''
let testfile = distPref </> "Conftest"
testfile' = testfile ++ "2"
writeFile (testfile <.> "c") "int foo() {}\n"
rawSystemProgram verbosity ghcProg ["-c", testfile <.> "c"]
ldx <-
(rawSystemProgramStdout verbosity ldProg ["-x", "-r", testfile <.> "o",
"-o", testfile' <.> "o"]
>> return True) `Exception.catch` \_ -> return False
mapM_ (try . removeFile) [testfile <.> "c", testfile <.> "o"
, testfile' <.> "o"]
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).
let isSep c = isSpace c || (c == ',')
languageExtensions <-
if ghcVersion >= Version [6,7] []
then do exts <- rawSystemStdout verbosity (programPath ghcProg)
["--supported-languages"]
return [ (ext, "-X" ++ show ext)
| extStr <- breaks isSep exts
, (ext, "") <- reads extStr ++ reads ("No" ++ extStr) ]
else return oldLanguageExtensions
let comp = Compiler {
compilerFlavor = GHC,
compilerId = PackageIdentifier "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")
,(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 , fglasgowExts)
,(FlexibleContexts , fglasgowExts)
,(FlexibleInstances , fglasgowExts)
,(EmptyDataDecls , fglasgowExts)
,(PatternGuards , fglasgowExts)
,(GeneralizedNewtypeDeriving , fglasgowExts)
,(MagicHash , fglasgowExts)
]
where
fglasgowExts = "-fglasgow-exts"
getInstalledPackages :: Verbosity -> PackageDB -> ProgramConfiguration
-> IO [PackageIdentifier]
getInstalledPackages verbosity packagedb conf = do
--TODO: use --simple-output flag for easier parsing
str <- rawSystemProgramStdoutConf verbosity ghcPkgProgram conf
[packageDbGhcPkgFlag packagedb, "list"]
let str1 = case packagedb of
UserPackageDB -> allFiles str
_ -> firstFile str
str2 = filter (`notElem` ",(){}") str1
--
case pCheck (readP_to_S (many (skipSpaces >> parsePackageId)) str2) of
[ps] -> return ps
_ -> die "cannot parse package list"
where
packageDbGhcPkgFlag GlobalPackageDB = "--global"
packageDbGhcPkgFlag UserPackageDB = "--user"
packageDbGhcPkgFlag (SpecificPackageDB path) = "--package-conf=" ++ path
pCheck :: [(a, [Char])] -> [a]
pCheck rs = [ r | (r,s) <- rs, all isSpace s ]
allFiles str = unlines $ filter keep_line $ lines str
where keep_line s = ':' `notElem` s && not ("Creating" `isPrefixOf` s)
firstFile str = unlines $ takeWhile (not . file_line) $
drop 1 $ dropWhile (not . file_line) $ lines str
where file_line s = ':' `elem` s && not ("Creating" `isPrefixOf` s)
-- -----------------------------------------------------------------------------
-- 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
runGhcProg = rawSystemProgramConf verbosity ghcProgram (withPrograms lbi)
ifVanillaLib forceVanilla = when (forceVanilla || withVanillaLib lbi)
ifProfLib = when (withProfLib lbi)
ifSharedLib = when (withSharedLib lbi)
ifGHCiLib = when (withGHCiLib lbi)
-- GHC versions prior to 6.4 didn't have the user package database,
-- so we fake it. TODO: This can go away in due course.
pkg_conf <- if versionBranch (compilerVersion (compiler lbi)) >= [6,4]
then return []
else do pkgConf <- GHC.localPackageConfig
pkgConfReadable <- GHC.canReadLocalPackageConfig
if pkgConfReadable
then return ["-package-conf", pkgConf]
else return []
-- 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
-- put hi-boot files into place for mutually recurive modules
smartCopySources verbosity (hsSourceDirs libBi)
libTargetDir (libModules pkg_descr) ["hi-boot"] False False
let ghc_vers = compilerVersion (compiler lbi)
packageId | versionBranch ghc_vers >= [6,4]
= showPackageId (package pkg_descr)
| otherwise = pkgName (package pkg_descr)
-- Only use the version number with ghc-6.4 and later
ghcArgs =
pkg_conf
++ ["-package-name", packageId ]
++ 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)
libName = mkLibName pref (showPackageId (package pkg_descr))
profLibName = mkProfLibName pref (showPackageId (package pkg_descr))
sharedLibName = mkSharedLibName pref (showPackageId (package pkg_descr)) (compilerId (compiler lbi))
ghciLibName = mkGHCiLibName pref (showPackageId (package pkg_descr))
stubObjs <- sequence [moduleToFilePath [libTargetDir] (x ++"_stub") [objExtension]
| x <- libModules pkg_descr ] >>= return . concat
stubProfObjs <- sequence [moduleToFilePath [libTargetDir] (x ++"_stub") ["p_" ++ objExtension]
| x <- libModules pkg_descr ] >>= return . concat
stubSharedObjs <- sequence [moduleToFilePath [libTargetDir] (x ++"_stub") ["dyn_" ++ objExtension]
| x <- libModules pkg_descr ] >>= return . concat
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
Try.try (removeFile libName) -- first remove library if it exists
Try.try (removeFile profLibName) -- first remove library if it exists
Try.try (removeFile sharedLibName) -- first remove library if it exists
Try.try (removeFile ghciLibName) -- first remove library if it exists
let arVerbosity | verbosity >= deafening = "v"
| verbosity >= normal = ""
| otherwise = "c"
arArgs = ["q"++ arVerbosity]
++ [libName]
arObjArgs =
hObjs
++ map (pref </>) cObjs
++ stubObjs
arProfArgs = ["q"++ arVerbosity]
++ [profLibName]
arProfObjArgs =
hProfObjs
++ map (pref </>) cObjs
++ stubProfObjs
ldArgs = ["-r"]
++ ["-o", ghciLibName <.> "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", sharedLibName ]
++ ghcSharedObjArgs
++ ["-package-name", packageId ]
++ (concat [ ["-package", showPackageId 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 <ldLibName>.tmp, and any existing file
-- named <ldLibName> is included when linking. The
-- output is renamed to <libName>.
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 on unix
-- used to be 30k, but Solaris needs 2k (see GHC bug #1785)
maxCommandLineSize = 2048
ifVanillaLib False $ xargs maxCommandLineSize
runAr arArgs arObjArgs
ifProfLib $ xargs maxCommandLineSize
runAr arProfArgs arProfObjArgs
ifGHCiLib $ xargs maxCommandLineSize
(runLd ghciLibName) ldArgs ldObjArgs
ifSharedLib $ runGhcProg ghcSharedLinkArgs
-- build any executables
withExe pkg_descr $ \ (Executable exeName' modPath 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
-- put hi-boot files into place for mutually recursive modules
-- FIX: what about exeName.hi-boot?
smartCopySources verbosity (hsSourceDirs exeBi)
exeDir (otherModules exeBi) ["hi-boot"] False False
-- 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 =
pkg_conf
++ (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]
++ 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
= (if compilerVersion c > Version [6,4] []
then ["-hide-all-packages"]
else [])
++ (if splitObjs lbi then ["-split-objs"] else [])
++ ["-i"]
++ ["-i" ++ autogenModulesDir lbi]
++ ["-i" ++ odir]
++ ["-i" ++ l | l <- nub (hsSourceDirs bi)]
++ ["-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", showPackageId pkg] | pkg <- packageDeps lbi ])
++ (if withOptimization lbi then ["-O"] else [])
++ hcOptions GHC (options 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", showPackageId pkg] | pkg <- packageDeps lbi ]
++ ["-optc" ++ opt | opt <- ccOptions bi]
++ (if withOptimization lbi then ["-optc-O2"] else [])
++ ["-odir", odir]
mkGHCiLibName :: FilePath -- ^file Prefix
-> String -- ^library name.
-> String
mkGHCiLibName pref lib = pref </> ("HS" ++ lib) <.> ".o"
-- -----------------------------------------------------------------------------
-- Building a Makefile
makefile :: PackageDescription -> LocalBuildInfo -> MakefileFlags -> IO ()
makefile pkg_descr lbi flags = do
let file = case makefileFile flags of
Just f -> f
_otherwise -> "Makefile"
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
ghc_vers = compilerVersion (compiler lbi)
packageId | versionBranch ghc_vers >= [6,4]
= showPackageId (package pkg_descr)
| otherwise = pkgName (package pkg_descr)
(arProg, _) <- requireProgram (makefileVerbose flags) arProgram AnyVersion
(withPrograms lbi)
(ldProg, _) <- requireProgram (makefileVerbose flags) 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", (showVersion (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", packageId),
("GHC_OPTS", unwords (
["-package-name", packageId ]
++ ghcOptions lbi bi (buildDir lbi))),
("MAKEFILE", file),
("C_SRCS", unwords (cSources bi)),
("GHC_CC_OPTS", unwords (ghcCcOptions lbi bi (buildDir lbi))),
("GHCI_LIB", mkGHCiLibName builddir (showPackageId (package pkg_descr))),
("soext", dllExtension),
("LIB_LD_OPTS", unwords (["-package-name", packageId]
++ concat [ ["-package", showPackageId 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
-> FilePath -- ^install location
-> FilePath -- ^Build location
-> PackageDescription
-> IO ()
installExe verbosity pref buildPref pkg_descr
= do createDirectoryIfMissingVerbose verbosity True pref
withExe pkg_descr $ \ (Executable e _ _) -> do
let exeFileName = e <.> exeExtension
copyFileVerbose verbosity (buildPref </> e </> exeFileName) (pref </> exeFileName)
-- |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 pref dynPref buildPref
pd@PackageDescription{library=Just _,
package=p}
= do let programConf = withPrograms lbi
ifVanilla $ smartCopySources verbosity [buildPref] pref (libModules pd) ["hi"] True False
ifProf $ smartCopySources verbosity [buildPref] pref (libModules pd) ["p_hi"] True False
let libTargetLoc = mkLibName pref (showPackageId p)
profLibTargetLoc = mkProfLibName pref (showPackageId p)
libGHCiTargetLoc = mkGHCiLibName pref (showPackageId p)
sharedLibTargetLoc = mkSharedLibName dynPref (showPackageId p) (compilerId (compiler lbi))
ifVanilla $ copyFileVerbose verbosity (mkLibName buildPref (showPackageId p)) libTargetLoc
ifProf $ copyFileVerbose verbosity (mkProfLibName buildPref (showPackageId p)) profLibTargetLoc
ifGHCi $ copyFileVerbose verbosity (mkGHCiLibName buildPref (showPackageId p)) libGHCiTargetLoc
ifShared $ copyFileVerbose verbosity (mkSharedLibName buildPref (showPackageId p) (compilerId (compiler lbi))) sharedLibTargetLoc
-- use ranlib or ar -s to build an index. this is necessary
-- on some systems like MacOS X. If we can't find those,
-- don't worry too much about it.
case lookupProgram ranlibProgram programConf of
Just rl -> do ifVanilla $ rawSystemProgram verbosity rl [libTargetLoc]
ifProf $ rawSystemProgram verbosity rl [profLibTargetLoc]
Nothing -> case lookupProgram arProgram programConf of
Just ar -> do ifVanilla $ rawSystemProgram verbosity ar ["-s", libTargetLoc]
ifProf $ rawSystemProgram verbosity ar ["-s", profLibTargetLoc]
Nothing -> setupMessage verbosity "Warning: Unable to generate index for library (missing ranlib and ar)" pd
return ()
where ifVanilla action = when (withVanillaLib lbi) (action >> return ())
ifProf action = when (withProfLib lbi) (action >> return ())
ifGHCi action = when (withGHCiLib lbi) (action >> return ())
ifShared action = when (withSharedLib lbi) (action >> return ())
installLib _ _ _ _ _ PackageDescription{library=Nothing}
= die $ "Internal Error. installLibGHC called with no library."