hackport-0.6.5: cabal/Cabal/Distribution/Simple/Build.hs
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE RankNTypes #-}
-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Simple.Build
-- Copyright : Isaac Jones 2003-2005,
-- Ross Paterson 2006,
-- Duncan Coutts 2007-2008, 2012
-- License : BSD3
--
-- Maintainer : cabal-devel@haskell.org
-- Portability : portable
--
-- This is the entry point to actually building the modules in a package. It
-- doesn't actually do much itself, most of the work is delegated to
-- compiler-specific actions. It does do some non-compiler specific bits like
-- running pre-processors.
--
module Distribution.Simple.Build (
build, showBuildInfo, repl,
startInterpreter,
initialBuildSteps,
createInternalPackageDB,
componentInitialBuildSteps,
writeAutogenFiles,
) where
import Prelude ()
import Distribution.Compat.Prelude
import Distribution.Utils.Generic
import Distribution.Types.ComponentLocalBuildInfo
import Distribution.Types.ComponentRequestedSpec
import Distribution.Types.Dependency
import Distribution.Types.ExecutableScope
import Distribution.Types.ForeignLib
import Distribution.Types.LibraryVisibility
import Distribution.Types.LocalBuildInfo
import Distribution.Types.MungedPackageId
import Distribution.Types.MungedPackageName
import Distribution.Types.TargetInfo
import Distribution.Types.UnqualComponentName
import Distribution.Package
import Distribution.Backpack
import Distribution.Backpack.DescribeUnitId
import qualified Distribution.Simple.GHC as GHC
import qualified Distribution.Simple.GHCJS as GHCJS
import qualified Distribution.Simple.UHC as UHC
import qualified Distribution.Simple.HaskellSuite as HaskellSuite
import qualified Distribution.Simple.PackageIndex as Index
import Distribution.Simple.Build.Macros (generateCabalMacrosHeader)
import Distribution.Simple.Build.PathsModule (generatePathsModule)
import qualified Distribution.Simple.Program.HcPkg as HcPkg
import Distribution.Simple.Compiler hiding (Flag)
import Distribution.PackageDescription hiding (Flag)
import qualified Distribution.InstalledPackageInfo as IPI
import Distribution.InstalledPackageInfo (InstalledPackageInfo)
import qualified Distribution.ModuleName as ModuleName
import Distribution.Simple.Setup
import Distribution.Simple.BuildTarget
import Distribution.Simple.BuildToolDepends
import Distribution.Simple.PreProcess
import Distribution.Simple.LocalBuildInfo
import Distribution.Simple.Program.Types
import Distribution.Simple.Program.Db
import Distribution.Simple.ShowBuildInfo
import Distribution.Simple.BuildPaths
import Distribution.Simple.Configure
import Distribution.Simple.Register
import Distribution.Simple.Test.LibV09
import Distribution.Simple.Utils
import Distribution.Simple.Utils.Json
import Distribution.System
import Distribution.Pretty
import Distribution.Verbosity
import Distribution.Compat.Graph (IsNode(..))
import Control.Monad
import qualified Data.Set as Set
import System.FilePath ( (</>), (<.>), takeDirectory )
import System.Directory ( getCurrentDirectory )
-- -----------------------------------------------------------------------------
-- |Build the libraries and executables in this package.
build :: PackageDescription -- ^ Mostly information from the .cabal file
-> LocalBuildInfo -- ^ Configuration information
-> BuildFlags -- ^ Flags that the user passed to build
-> [ PPSuffixHandler ] -- ^ preprocessors to run before compiling
-> IO ()
build pkg_descr lbi flags suffixes = do
targets <- readTargetInfos verbosity pkg_descr lbi (buildArgs flags)
let componentsToBuild = neededTargetsInBuildOrder' pkg_descr lbi (map nodeKey targets)
info verbosity $ "Component build order: "
++ intercalate ", "
(map (showComponentName . componentLocalName . targetCLBI)
componentsToBuild)
when (null targets) $
-- Only bother with this message if we're building the whole package
setupMessage verbosity "Building" (packageId pkg_descr)
internalPackageDB <- createInternalPackageDB verbosity lbi distPref
(\f -> foldM_ f (installedPkgs lbi) componentsToBuild) $ \index target -> do
let comp = targetComponent target
clbi = targetCLBI target
componentInitialBuildSteps distPref pkg_descr lbi clbi verbosity
let bi = componentBuildInfo comp
progs' = addInternalBuildTools pkg_descr lbi bi (withPrograms lbi)
lbi' = lbi {
withPrograms = progs',
withPackageDB = withPackageDB lbi ++ [internalPackageDB],
installedPkgs = index
}
mb_ipi <- buildComponent verbosity (buildNumJobs flags) pkg_descr
lbi' suffixes comp clbi distPref
return (maybe index (Index.insert `flip` index) mb_ipi)
return ()
where
distPref = fromFlag (buildDistPref flags)
verbosity = fromFlag (buildVerbosity flags)
showBuildInfo :: PackageDescription -- ^ Mostly information from the .cabal file
-> LocalBuildInfo -- ^ Configuration information
-> BuildFlags -- ^ Flags that the user passed to build
-> IO String
showBuildInfo pkg_descr lbi flags = do
let verbosity = fromFlag (buildVerbosity flags)
targets <- readTargetInfos verbosity pkg_descr lbi (buildArgs flags)
let targetsToBuild = neededTargetsInBuildOrder' pkg_descr lbi (map nodeKey targets)
doc = mkBuildInfo pkg_descr lbi flags targetsToBuild
return $ renderJson doc ""
repl :: PackageDescription -- ^ Mostly information from the .cabal file
-> LocalBuildInfo -- ^ Configuration information
-> ReplFlags -- ^ Flags that the user passed to build
-> [ PPSuffixHandler ] -- ^ preprocessors to run before compiling
-> [String]
-> IO ()
repl pkg_descr lbi flags suffixes args = do
let distPref = fromFlag (replDistPref flags)
verbosity = fromFlag (replVerbosity flags)
target <- readTargetInfos verbosity pkg_descr lbi args >>= \r -> case r of
-- This seems DEEPLY questionable.
[] -> case allTargetsInBuildOrder' pkg_descr lbi of
(target:_) -> return target
[] -> die' verbosity $ "Failed to determine target."
[target] -> return target
_ -> die' verbosity $ "The 'repl' command does not support multiple targets at once."
let componentsToBuild = neededTargetsInBuildOrder' pkg_descr lbi [nodeKey target]
debug verbosity $ "Component build order: "
++ intercalate ", "
(map (showComponentName . componentLocalName . targetCLBI)
componentsToBuild)
internalPackageDB <- createInternalPackageDB verbosity lbi distPref
let lbiForComponent comp lbi' =
lbi' {
withPackageDB = withPackageDB lbi ++ [internalPackageDB],
withPrograms = addInternalBuildTools pkg_descr lbi'
(componentBuildInfo comp) (withPrograms lbi')
}
-- build any dependent components
sequence_
[ do let clbi = targetCLBI subtarget
comp = targetComponent subtarget
lbi' = lbiForComponent comp lbi
componentInitialBuildSteps distPref pkg_descr lbi clbi verbosity
buildComponent verbosity NoFlag
pkg_descr lbi' suffixes comp clbi distPref
| subtarget <- safeInit componentsToBuild ]
-- REPL for target components
let clbi = targetCLBI target
comp = targetComponent target
lbi' = lbiForComponent comp lbi
replFlags = replReplOptions flags
componentInitialBuildSteps distPref pkg_descr lbi clbi verbosity
replComponent replFlags verbosity pkg_descr lbi' suffixes comp clbi distPref
-- | Start an interpreter without loading any package files.
startInterpreter :: Verbosity -> ProgramDb -> Compiler -> Platform
-> PackageDBStack -> IO ()
startInterpreter verbosity programDb comp platform packageDBs =
case compilerFlavor comp of
GHC -> GHC.startInterpreter verbosity programDb comp platform packageDBs
GHCJS -> GHCJS.startInterpreter verbosity programDb comp platform packageDBs
_ -> die' verbosity "A REPL is not supported with this compiler."
buildComponent :: Verbosity
-> Flag (Maybe Int)
-> PackageDescription
-> LocalBuildInfo
-> [PPSuffixHandler]
-> Component
-> ComponentLocalBuildInfo
-> FilePath
-> IO (Maybe InstalledPackageInfo)
buildComponent verbosity numJobs pkg_descr lbi suffixes
comp@(CLib lib) clbi distPref = do
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
setupMessage' verbosity "Building" (packageId pkg_descr)
(componentLocalName clbi) (maybeComponentInstantiatedWith clbi)
let libbi = libBuildInfo lib
lib' = lib { libBuildInfo = flip addExtraAsmSources extras
$ flip addExtraCmmSources extras
$ flip addExtraCxxSources extras
$ flip addExtraCSources extras
$ libbi
}
buildLib verbosity numJobs pkg_descr lbi lib' clbi
let oneComponentRequested (OneComponentRequestedSpec _) = True
oneComponentRequested _ = False
-- Don't register inplace if we're only building a single component;
-- it's not necessary because there won't be any subsequent builds
-- that need to tag us
if (not (oneComponentRequested (componentEnabledSpec lbi)))
then do
-- Register the library in-place, so exes can depend
-- on internally defined libraries.
pwd <- getCurrentDirectory
let -- The in place registration uses the "-inplace" suffix, not an ABI hash
installedPkgInfo = inplaceInstalledPackageInfo pwd distPref pkg_descr
-- NB: Use a fake ABI hash to avoid
-- needing to recompute it every build.
(mkAbiHash "inplace") lib' lbi clbi
debug verbosity $ "Registering inplace:\n" ++ (IPI.showInstalledPackageInfo installedPkgInfo)
registerPackage verbosity (compiler lbi) (withPrograms lbi)
(withPackageDB lbi) installedPkgInfo
HcPkg.defaultRegisterOptions {
HcPkg.registerMultiInstance = True
}
return (Just installedPkgInfo)
else return Nothing
buildComponent verbosity numJobs pkg_descr lbi suffixes
comp@(CFLib flib) clbi _distPref = do
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
setupMessage' verbosity "Building" (packageId pkg_descr)
(componentLocalName clbi) (maybeComponentInstantiatedWith clbi)
buildFLib verbosity numJobs pkg_descr lbi flib clbi
return Nothing
buildComponent verbosity numJobs pkg_descr lbi suffixes
comp@(CExe exe) clbi _ = do
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
setupMessage' verbosity "Building" (packageId pkg_descr)
(componentLocalName clbi) (maybeComponentInstantiatedWith clbi)
let ebi = buildInfo exe
exe' = exe { buildInfo = addExtraCSources ebi extras }
buildExe verbosity numJobs pkg_descr lbi exe' clbi
return Nothing
buildComponent verbosity numJobs pkg_descr lbi suffixes
comp@(CTest test@TestSuite { testInterface = TestSuiteExeV10{} })
clbi _distPref = do
let exe = testSuiteExeV10AsExe test
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
setupMessage' verbosity "Building" (packageId pkg_descr)
(componentLocalName clbi) (maybeComponentInstantiatedWith clbi)
let ebi = buildInfo exe
exe' = exe { buildInfo = addExtraCSources ebi extras }
buildExe verbosity numJobs pkg_descr lbi exe' clbi
return Nothing
buildComponent verbosity numJobs pkg_descr lbi0 suffixes
comp@(CTest
test@TestSuite { testInterface = TestSuiteLibV09{} })
clbi -- This ComponentLocalBuildInfo corresponds to a detailed
-- test suite and not a real component. It should not
-- be used, except to construct the CLBIs for the
-- library and stub executable that will actually be
-- built.
distPref = do
pwd <- getCurrentDirectory
let (pkg, lib, libClbi, lbi, ipi, exe, exeClbi) =
testSuiteLibV09AsLibAndExe pkg_descr test clbi lbi0 distPref pwd
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
setupMessage' verbosity "Building" (packageId pkg_descr)
(componentLocalName clbi) (maybeComponentInstantiatedWith clbi)
buildLib verbosity numJobs pkg lbi lib libClbi
-- NB: need to enable multiple instances here, because on 7.10+
-- the package name is the same as the library, and we still
-- want the registration to go through.
registerPackage verbosity (compiler lbi) (withPrograms lbi)
(withPackageDB lbi) ipi
HcPkg.defaultRegisterOptions {
HcPkg.registerMultiInstance = True
}
let ebi = buildInfo exe
-- NB: The stub executable is linked against the test-library
-- which already contains all `other-modules`, so we need
-- to remove those from the stub-exe's build-info
exe' = exe { buildInfo = (addExtraCSources ebi extras) { otherModules = [] } }
buildExe verbosity numJobs pkg_descr lbi exe' exeClbi
return Nothing -- Can't depend on test suite
buildComponent verbosity _ _ _ _
(CTest TestSuite { testInterface = TestSuiteUnsupported tt })
_ _ =
die' verbosity $ "No support for building test suite type " ++ prettyShow tt
buildComponent verbosity numJobs pkg_descr lbi suffixes
comp@(CBench bm@Benchmark { benchmarkInterface = BenchmarkExeV10 {} })
clbi _distPref = do
let exe = benchmarkExeV10asExe bm
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
setupMessage' verbosity "Building" (packageId pkg_descr)
(componentLocalName clbi) (maybeComponentInstantiatedWith clbi)
let ebi = buildInfo exe
exe' = exe { buildInfo = addExtraCSources ebi extras }
buildExe verbosity numJobs pkg_descr lbi exe' clbi
return Nothing
buildComponent verbosity _ _ _ _
(CBench Benchmark { benchmarkInterface = BenchmarkUnsupported tt })
_ _ =
die' verbosity $ "No support for building benchmark type " ++ prettyShow tt
-- | Add extra C sources generated by preprocessing to build
-- information.
addExtraCSources :: BuildInfo -> [FilePath] -> BuildInfo
addExtraCSources bi extras = bi { cSources = new }
where new = Set.toList $ old `Set.union` exs
old = Set.fromList $ cSources bi
exs = Set.fromList extras
-- | Add extra C++ sources generated by preprocessing to build
-- information.
addExtraCxxSources :: BuildInfo -> [FilePath] -> BuildInfo
addExtraCxxSources bi extras = bi { cxxSources = new }
where new = Set.toList $ old `Set.union` exs
old = Set.fromList $ cxxSources bi
exs = Set.fromList extras
-- | Add extra C-- sources generated by preprocessing to build
-- information.
addExtraCmmSources :: BuildInfo -> [FilePath] -> BuildInfo
addExtraCmmSources bi extras = bi { cmmSources = new }
where new = Set.toList $ old `Set.union` exs
old = Set.fromList $ cmmSources bi
exs = Set.fromList extras
-- | Add extra ASM sources generated by preprocessing to build
-- information.
addExtraAsmSources :: BuildInfo -> [FilePath] -> BuildInfo
addExtraAsmSources bi extras = bi { asmSources = new }
where new = Set.toList $ old `Set.union` exs
old = Set.fromList $ asmSources bi
exs = Set.fromList extras
replComponent :: [String]
-> Verbosity
-> PackageDescription
-> LocalBuildInfo
-> [PPSuffixHandler]
-> Component
-> ComponentLocalBuildInfo
-> FilePath
-> IO ()
replComponent replFlags verbosity pkg_descr lbi suffixes
comp@(CLib lib) clbi _ = do
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
let libbi = libBuildInfo lib
lib' = lib { libBuildInfo = libbi { cSources = cSources libbi ++ extras } }
replLib replFlags verbosity pkg_descr lbi lib' clbi
replComponent replFlags verbosity pkg_descr lbi suffixes
comp@(CFLib flib) clbi _ = do
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
replFLib replFlags verbosity pkg_descr lbi flib clbi
replComponent replFlags verbosity pkg_descr lbi suffixes
comp@(CExe exe) clbi _ = do
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
let ebi = buildInfo exe
exe' = exe { buildInfo = ebi { cSources = cSources ebi ++ extras } }
replExe replFlags verbosity pkg_descr lbi exe' clbi
replComponent replFlags verbosity pkg_descr lbi suffixes
comp@(CTest test@TestSuite { testInterface = TestSuiteExeV10{} })
clbi _distPref = do
let exe = testSuiteExeV10AsExe test
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
let ebi = buildInfo exe
exe' = exe { buildInfo = ebi { cSources = cSources ebi ++ extras } }
replExe replFlags verbosity pkg_descr lbi exe' clbi
replComponent replFlags verbosity pkg_descr lbi0 suffixes
comp@(CTest
test@TestSuite { testInterface = TestSuiteLibV09{} })
clbi distPref = do
pwd <- getCurrentDirectory
let (pkg, lib, libClbi, lbi, _, _, _) =
testSuiteLibV09AsLibAndExe pkg_descr test clbi lbi0 distPref pwd
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
let libbi = libBuildInfo lib
lib' = lib { libBuildInfo = libbi { cSources = cSources libbi ++ extras } }
replLib replFlags verbosity pkg lbi lib' libClbi
replComponent _ verbosity _ _ _
(CTest TestSuite { testInterface = TestSuiteUnsupported tt })
_ _ =
die' verbosity $ "No support for building test suite type " ++ prettyShow tt
replComponent replFlags verbosity pkg_descr lbi suffixes
comp@(CBench bm@Benchmark { benchmarkInterface = BenchmarkExeV10 {} })
clbi _distPref = do
let exe = benchmarkExeV10asExe bm
preprocessComponent pkg_descr comp lbi clbi False verbosity suffixes
extras <- preprocessExtras verbosity comp lbi
let ebi = buildInfo exe
exe' = exe { buildInfo = ebi { cSources = cSources ebi ++ extras } }
replExe replFlags verbosity pkg_descr lbi exe' clbi
replComponent _ verbosity _ _ _
(CBench Benchmark { benchmarkInterface = BenchmarkUnsupported tt })
_ _ =
die' verbosity $ "No support for building benchmark type " ++ prettyShow tt
----------------------------------------------------
-- Shared code for buildComponent and replComponent
--
-- | Translate a exe-style 'TestSuite' component into an exe for building
testSuiteExeV10AsExe :: TestSuite -> Executable
testSuiteExeV10AsExe test@TestSuite { testInterface = TestSuiteExeV10 _ mainFile } =
Executable {
exeName = testName test,
modulePath = mainFile,
exeScope = ExecutablePublic,
buildInfo = testBuildInfo test
}
testSuiteExeV10AsExe TestSuite{} = error "testSuiteExeV10AsExe: wrong kind"
-- | Translate a exe-style 'Benchmark' component into an exe for building
benchmarkExeV10asExe :: Benchmark -> Executable
benchmarkExeV10asExe bm@Benchmark { benchmarkInterface = BenchmarkExeV10 _ mainFile } =
Executable {
exeName = benchmarkName bm,
modulePath = mainFile,
exeScope = ExecutablePublic,
buildInfo = benchmarkBuildInfo bm
}
benchmarkExeV10asExe Benchmark{} = error "benchmarkExeV10asExe: wrong kind"
-- | Translate a lib-style 'TestSuite' component into a lib + exe for building
testSuiteLibV09AsLibAndExe :: PackageDescription
-> TestSuite
-> ComponentLocalBuildInfo
-> LocalBuildInfo
-> FilePath
-> FilePath
-> (PackageDescription,
Library, ComponentLocalBuildInfo,
LocalBuildInfo,
IPI.InstalledPackageInfo,
Executable, ComponentLocalBuildInfo)
testSuiteLibV09AsLibAndExe pkg_descr
test@TestSuite { testInterface = TestSuiteLibV09 _ m }
clbi lbi distPref pwd =
(pkg, lib, libClbi, lbi, ipi, exe, exeClbi)
where
bi = testBuildInfo test
lib = Library {
libName = LMainLibName,
exposedModules = [ m ],
reexportedModules = [],
signatures = [],
libExposed = True,
libVisibility = LibraryVisibilityPrivate,
libBuildInfo = bi
}
-- This is, like, the one place where we use a CTestName for a library.
-- Should NOT use library name, since that could conflict!
PackageIdentifier pkg_name pkg_ver = package pkg_descr
-- Note: we do make internal library from the test!
compat_name = MungedPackageName pkg_name (LSubLibName (testName test))
compat_key = computeCompatPackageKey (compiler lbi) compat_name pkg_ver (componentUnitId clbi)
libClbi = LibComponentLocalBuildInfo
{ componentPackageDeps = componentPackageDeps clbi
, componentInternalDeps = componentInternalDeps clbi
, componentIsIndefinite_ = False
, componentExeDeps = componentExeDeps clbi
, componentLocalName = CLibName $ LSubLibName $ testName test
, componentIsPublic = False
, componentIncludes = componentIncludes clbi
, componentUnitId = componentUnitId clbi
, componentComponentId = componentComponentId clbi
, componentInstantiatedWith = []
, componentCompatPackageName = compat_name
, componentCompatPackageKey = compat_key
, componentExposedModules = [IPI.ExposedModule m Nothing]
}
pkg = pkg_descr {
package = (package pkg_descr) { pkgName = mkPackageName $ prettyShow compat_name }
, executables = []
, testSuites = []
, subLibraries = [lib]
}
ipi = inplaceInstalledPackageInfo pwd distPref pkg (mkAbiHash "") lib lbi libClbi
testDir = buildDir lbi </> stubName test
</> stubName test ++ "-tmp"
testLibDep = thisPackageVersion $ package pkg
exe = Executable {
exeName = mkUnqualComponentName $ stubName test,
modulePath = stubFilePath test,
exeScope = ExecutablePublic,
buildInfo = (testBuildInfo test) {
hsSourceDirs = [ testDir ],
targetBuildDepends = testLibDep
: (targetBuildDepends $ testBuildInfo test)
}
}
-- | The stub executable needs a new 'ComponentLocalBuildInfo'
-- that exposes the relevant test suite library.
deps = (IPI.installedUnitId ipi, mungedId ipi)
: (filter (\(_, x) -> let name = prettyShow $ mungedName x
in name == "Cabal" || name == "base")
(componentPackageDeps clbi))
exeClbi = ExeComponentLocalBuildInfo {
-- TODO: this is a hack, but as long as this is unique
-- (doesn't clobber something) we won't run into trouble
componentUnitId = mkUnitId (stubName test),
componentComponentId = mkComponentId (stubName test),
componentInternalDeps = [componentUnitId clbi],
componentExeDeps = [],
componentLocalName = CExeName $ mkUnqualComponentName $ stubName test,
componentPackageDeps = deps,
-- Assert DefUnitId invariant!
-- Executable can't be indefinite, so dependencies must
-- be definite packages.
componentIncludes = zip (map (DefiniteUnitId . unsafeMkDefUnitId . fst) deps)
(repeat defaultRenaming)
}
testSuiteLibV09AsLibAndExe _ TestSuite{} _ _ _ _ = error "testSuiteLibV09AsLibAndExe: wrong kind"
-- | Initialize a new package db file for libraries defined
-- internally to the package.
createInternalPackageDB :: Verbosity -> LocalBuildInfo -> FilePath
-> IO PackageDB
createInternalPackageDB verbosity lbi distPref = do
existsAlready <- doesPackageDBExist dbPath
when existsAlready $ deletePackageDB dbPath
createPackageDB verbosity (compiler lbi) (withPrograms lbi) False dbPath
return (SpecificPackageDB dbPath)
where
dbPath = internalPackageDBPath lbi distPref
addInternalBuildTools :: PackageDescription -> LocalBuildInfo -> BuildInfo
-> ProgramDb -> ProgramDb
addInternalBuildTools pkg lbi bi progs =
foldr updateProgram progs internalBuildTools
where
internalBuildTools =
[ simpleConfiguredProgram toolName' (FoundOnSystem toolLocation)
| toolName <- getAllInternalToolDependencies pkg bi
, let toolName' = unUnqualComponentName toolName
, let toolLocation = buildDir lbi </> toolName' </> toolName' <.> exeExtension (hostPlatform lbi) ]
-- TODO: build separate libs in separate dirs so that we can build
-- multiple libs, e.g. for 'LibTest' library-style test suites
buildLib :: Verbosity -> Flag (Maybe Int)
-> PackageDescription -> LocalBuildInfo
-> Library -> ComponentLocalBuildInfo -> IO ()
buildLib verbosity numJobs pkg_descr lbi lib clbi =
case compilerFlavor (compiler lbi) of
GHC -> GHC.buildLib verbosity numJobs pkg_descr lbi lib clbi
GHCJS -> GHCJS.buildLib verbosity numJobs pkg_descr lbi lib clbi
UHC -> UHC.buildLib verbosity pkg_descr lbi lib clbi
HaskellSuite {} -> HaskellSuite.buildLib verbosity pkg_descr lbi lib clbi
_ -> die' verbosity "Building is not supported with this compiler."
-- | Build a foreign library
--
-- NOTE: We assume that we already checked that we can actually build the
-- foreign library in configure.
buildFLib :: Verbosity -> Flag (Maybe Int)
-> PackageDescription -> LocalBuildInfo
-> ForeignLib -> ComponentLocalBuildInfo -> IO ()
buildFLib verbosity numJobs pkg_descr lbi flib clbi =
case compilerFlavor (compiler lbi) of
GHC -> GHC.buildFLib verbosity numJobs pkg_descr lbi flib clbi
_ -> die' verbosity "Building is not supported with this compiler."
buildExe :: Verbosity -> Flag (Maybe Int)
-> PackageDescription -> LocalBuildInfo
-> Executable -> ComponentLocalBuildInfo -> IO ()
buildExe verbosity numJobs pkg_descr lbi exe clbi =
case compilerFlavor (compiler lbi) of
GHC -> GHC.buildExe verbosity numJobs pkg_descr lbi exe clbi
GHCJS -> GHCJS.buildExe verbosity numJobs pkg_descr lbi exe clbi
UHC -> UHC.buildExe verbosity pkg_descr lbi exe clbi
_ -> die' verbosity "Building is not supported with this compiler."
replLib :: [String] -> Verbosity -> PackageDescription
-> LocalBuildInfo -> Library -> ComponentLocalBuildInfo
-> IO ()
replLib replFlags verbosity pkg_descr lbi lib clbi =
case compilerFlavor (compiler lbi) of
-- 'cabal repl' doesn't need to support 'ghc --make -j', so we just pass
-- NoFlag as the numJobs parameter.
GHC -> GHC.replLib replFlags verbosity NoFlag pkg_descr lbi lib clbi
GHCJS -> GHCJS.replLib replFlags verbosity NoFlag pkg_descr lbi lib clbi
_ -> die' verbosity "A REPL is not supported for this compiler."
replExe :: [String] -> Verbosity -> PackageDescription
-> LocalBuildInfo -> Executable -> ComponentLocalBuildInfo
-> IO ()
replExe replFlags verbosity pkg_descr lbi exe clbi =
case compilerFlavor (compiler lbi) of
GHC -> GHC.replExe replFlags verbosity NoFlag pkg_descr lbi exe clbi
GHCJS -> GHCJS.replExe replFlags verbosity NoFlag pkg_descr lbi exe clbi
_ -> die' verbosity "A REPL is not supported for this compiler."
replFLib :: [String] -> Verbosity -> PackageDescription
-> LocalBuildInfo -> ForeignLib -> ComponentLocalBuildInfo
-> IO ()
replFLib replFlags verbosity pkg_descr lbi exe clbi =
case compilerFlavor (compiler lbi) of
GHC -> GHC.replFLib replFlags verbosity NoFlag pkg_descr lbi exe clbi
_ -> die' verbosity "A REPL is not supported for this compiler."
-- | Runs 'componentInitialBuildSteps' on every configured component.
initialBuildSteps :: FilePath -- ^"dist" prefix
-> PackageDescription -- ^mostly information from the .cabal file
-> LocalBuildInfo -- ^Configuration information
-> Verbosity -- ^The verbosity to use
-> IO ()
initialBuildSteps distPref pkg_descr lbi verbosity =
withAllComponentsInBuildOrder pkg_descr lbi $ \_comp clbi ->
componentInitialBuildSteps distPref pkg_descr lbi clbi verbosity
-- | Creates the autogenerated files for a particular configured component.
componentInitialBuildSteps :: FilePath -- ^"dist" prefix
-> PackageDescription -- ^mostly information from the .cabal file
-> LocalBuildInfo -- ^Configuration information
-> ComponentLocalBuildInfo
-> Verbosity -- ^The verbosity to use
-> IO ()
componentInitialBuildSteps _distPref pkg_descr lbi clbi verbosity = do
createDirectoryIfMissingVerbose verbosity True (componentBuildDir lbi clbi)
writeAutogenFiles verbosity pkg_descr lbi clbi
-- | Generate and write out the Paths_<pkg>.hs and cabal_macros.h files
--
writeAutogenFiles :: Verbosity
-> PackageDescription
-> LocalBuildInfo
-> ComponentLocalBuildInfo
-> IO ()
writeAutogenFiles verbosity pkg lbi clbi = do
createDirectoryIfMissingVerbose verbosity True (autogenComponentModulesDir lbi clbi)
let pathsModulePath = autogenComponentModulesDir lbi clbi
</> ModuleName.toFilePath (autogenPathsModuleName pkg) <.> "hs"
pathsModuleDir = takeDirectory pathsModulePath
-- Ensure that the directory exists!
createDirectoryIfMissingVerbose verbosity True pathsModuleDir
rewriteFileEx verbosity pathsModulePath (generatePathsModule pkg lbi clbi)
--TODO: document what we're doing here, and move it to its own function
case clbi of
LibComponentLocalBuildInfo { componentInstantiatedWith = insts } ->
-- Write out empty hsig files for all requirements, so that GHC
-- has a source file to look at it when it needs to typecheck
-- a signature. It's harmless to write these out even when
-- there is a real hsig file written by the user, since
-- include path ordering ensures that the real hsig file
-- will always be picked up before the autogenerated one.
for_ (map fst insts) $ \mod_name -> do
let sigPath = autogenComponentModulesDir lbi clbi
</> ModuleName.toFilePath mod_name <.> "hsig"
createDirectoryIfMissingVerbose verbosity True (takeDirectory sigPath)
rewriteFileEx verbosity sigPath $
"{-# OPTIONS_GHC -w #-}\n" ++
"{-# LANGUAGE NoImplicitPrelude #-}\n" ++
"signature " ++ prettyShow mod_name ++ " where"
_ -> return ()
let cppHeaderPath = autogenComponentModulesDir lbi clbi </> cppHeaderName
rewriteFileEx verbosity cppHeaderPath (generateCabalMacrosHeader pkg lbi clbi)