module Distribution.Simple.Build (
build,
initialBuildSteps,
writeAutogenFiles,
) where
import qualified Distribution.Simple.GHC as GHC
import qualified Distribution.Simple.JHC as JHC
import qualified Distribution.Simple.LHC as LHC
import qualified Distribution.Simple.NHC as NHC
import qualified Distribution.Simple.Hugs as Hugs
import qualified Distribution.Simple.UHC as UHC
import qualified Distribution.Simple.Build.Macros as Build.Macros
import qualified Distribution.Simple.Build.PathsModule as Build.PathsModule
import Distribution.Package
( Package(..), PackageName(..), PackageIdentifier(..)
, thisPackageVersion )
import Distribution.Simple.Compiler
( CompilerFlavor(..), compilerFlavor, PackageDB(..) )
import Distribution.PackageDescription
( PackageDescription(..), BuildInfo(..), Library(..), Executable(..)
, TestSuite(..), TestSuiteInterface(..) )
import qualified Distribution.InstalledPackageInfo as IPI
import qualified Distribution.ModuleName as ModuleName
import Distribution.Simple.Setup
( BuildFlags(..), fromFlag )
import Distribution.Simple.PreProcess
( preprocessSources, PPSuffixHandler )
import Distribution.Simple.LocalBuildInfo
( LocalBuildInfo(compiler, buildDir, withPackageDB)
, ComponentLocalBuildInfo(..), withLibLBI, withExeLBI
, inplacePackageId, withTestLBI )
import Distribution.Simple.BuildPaths
( autogenModulesDir, autogenModuleName, cppHeaderName )
import Distribution.Simple.Register
( registerPackage, inplaceInstalledPackageInfo )
import Distribution.Simple.Test ( stubFilePath, stubName )
import Distribution.Simple.Utils
( createDirectoryIfMissingVerbose, rewriteFile
, die, info, setupMessage )
import Distribution.Verbosity
( Verbosity )
import Distribution.Text
( display )
import Data.Maybe
( maybeToList )
import Control.Monad
( unless )
import System.FilePath
( (</>), (<.>) )
import System.Directory
( getCurrentDirectory )
build :: PackageDescription
-> LocalBuildInfo
-> BuildFlags
-> [ PPSuffixHandler ]
-> IO ()
build pkg_descr lbi flags suffixes = do
let distPref = fromFlag (buildDistPref flags)
verbosity = fromFlag (buildVerbosity flags)
initialBuildSteps distPref pkg_descr lbi verbosity suffixes
setupMessage verbosity "Building" (packageId pkg_descr)
internalPackageDB <- createInternalPackageDB distPref
withLibLBI pkg_descr lbi $ \lib clbi -> do
info verbosity "Building library..."
buildLib verbosity pkg_descr lbi lib clbi
pwd <- getCurrentDirectory
let installedPkgInfo =
(inplaceInstalledPackageInfo pwd distPref pkg_descr lib lbi clbi) {
IPI.installedPackageId = inplacePackageId (packageId installedPkgInfo)
}
registerPackage verbosity
installedPkgInfo pkg_descr lbi True
(withPackageDB lbi ++ [internalPackageDB])
let lbi' = lbi { withPackageDB = withPackageDB lbi ++ [internalPackageDB] }
withExeLBI pkg_descr lbi' $ \exe clbi -> do
info verbosity $ "Building executable " ++ exeName exe ++ "..."
buildExe verbosity pkg_descr lbi' exe clbi
withTestLBI pkg_descr lbi' $ \test clbi ->
case testInterface test of
TestSuiteExeV10 _ f -> do
let exe = Executable
{ exeName = testName test
, modulePath = f
, buildInfo = testBuildInfo test
}
info verbosity $ "Building test suite " ++ testName test ++ "..."
buildExe verbosity pkg_descr lbi' exe clbi
TestSuiteLibV09 _ m -> do
pwd <- getCurrentDirectory
let lib = Library
{ exposedModules = [ m ]
, libExposed = True
, libBuildInfo = testBuildInfo test
}
pkg = pkg_descr
{ package = (package pkg_descr)
{ pkgName = PackageName $ testName test
}
, buildDepends = targetBuildDepends $ testBuildInfo test
, executables = []
, testSuites = []
, library = Just lib
}
ipi = (inplaceInstalledPackageInfo
pwd distPref pkg lib lbi clbi)
{ IPI.installedPackageId = inplacePackageId $ packageId ipi
}
testDir = buildDir lbi' </> stubName test
</> stubName test ++ "-tmp"
testLibDep = thisPackageVersion $ package pkg
exe = Executable
{ exeName = stubName test
, modulePath = stubFilePath test
, buildInfo = (testBuildInfo test)
{ hsSourceDirs = [ testDir ]
, targetBuildDepends = testLibDep
: (targetBuildDepends $ testBuildInfo test)
}
}
exeClbi = clbi
{ componentPackageDeps =
(IPI.installedPackageId ipi, packageId ipi)
: (filter (\(_, x) -> let PackageName name = pkgName x in name == "Cabal" || name == "base")
$ componentPackageDeps clbi)
}
info verbosity $ "Building test suite " ++ testName test ++ "..."
buildLib verbosity pkg lbi' lib clbi
registerPackage verbosity ipi pkg lbi' True $ withPackageDB lbi'
buildExe verbosity pkg_descr lbi' exe exeClbi
TestSuiteUnsupported tt -> die $ "No support for building test suite "
++ "type " ++ display tt
createInternalPackageDB :: FilePath -> IO PackageDB
createInternalPackageDB distPref = do
let dbFile = distPref </> "package.conf.inplace"
packageDB = SpecificPackageDB dbFile
writeFile dbFile "[]"
return packageDB
buildLib :: Verbosity -> PackageDescription -> LocalBuildInfo
-> Library -> ComponentLocalBuildInfo -> IO ()
buildLib verbosity pkg_descr lbi lib clbi =
case compilerFlavor (compiler lbi) of
GHC -> GHC.buildLib verbosity pkg_descr lbi lib clbi
JHC -> JHC.buildLib verbosity pkg_descr lbi lib clbi
LHC -> LHC.buildLib verbosity pkg_descr lbi lib clbi
Hugs -> Hugs.buildLib verbosity pkg_descr lbi lib clbi
NHC -> NHC.buildLib verbosity pkg_descr lbi lib clbi
UHC -> UHC.buildLib verbosity pkg_descr lbi lib clbi
_ -> die "Building is not supported with this compiler."
buildExe :: Verbosity -> PackageDescription -> LocalBuildInfo
-> Executable -> ComponentLocalBuildInfo -> IO ()
buildExe verbosity pkg_descr lbi exe clbi =
case compilerFlavor (compiler lbi) of
GHC -> GHC.buildExe verbosity pkg_descr lbi exe clbi
JHC -> JHC.buildExe verbosity pkg_descr lbi exe clbi
LHC -> LHC.buildExe verbosity pkg_descr lbi exe clbi
Hugs -> Hugs.buildExe verbosity pkg_descr lbi exe clbi
NHC -> NHC.buildExe verbosity pkg_descr lbi exe clbi
UHC -> UHC.buildExe verbosity pkg_descr lbi exe clbi
_ -> die "Building is not supported with this compiler."
initialBuildSteps :: FilePath
-> PackageDescription
-> LocalBuildInfo
-> Verbosity
-> [ PPSuffixHandler ]
-> IO ()
initialBuildSteps _distPref pkg_descr lbi verbosity suffixes = do
let buildInfos =
map libBuildInfo (maybeToList (library pkg_descr)) ++
map buildInfo (executables pkg_descr)
unless (any buildable buildInfos) $ do
let name = display (packageId pkg_descr)
die ("Package " ++ name ++ " can't be built on this system.")
createDirectoryIfMissingVerbose verbosity True (buildDir lbi)
writeAutogenFiles verbosity pkg_descr lbi
preprocessSources pkg_descr lbi False verbosity suffixes
writeAutogenFiles :: Verbosity
-> PackageDescription
-> LocalBuildInfo
-> IO ()
writeAutogenFiles verbosity pkg lbi = do
createDirectoryIfMissingVerbose verbosity True (autogenModulesDir lbi)
let pathsModulePath = autogenModulesDir lbi
</> ModuleName.toFilePath (autogenModuleName pkg) <.> "hs"
rewriteFile pathsModulePath (Build.PathsModule.generate pkg lbi)
let cppHeaderPath = autogenModulesDir lbi </> cppHeaderName
rewriteFile cppHeaderPath (Build.Macros.generate pkg lbi)