getPreloadPackagesAnd,
collectIncludeDirs, collectLibraryPaths, collectLinkOpts,
+ packageHsLibs,
-- * Utils
isDllName
import PackageConfig
import ParsePkgConf ( loadPackageConfig )
import DynFlags ( dopt, DynFlag(..), DynFlags(..), PackageFlag(..) )
-import StaticFlags ( opt_Static )
+import StaticFlags
import Config ( cProjectVersion )
import Name ( Name, nameModule_maybe )
import UniqFM
+import FiniteMap
import Module
import Util
-import Maybes ( expectJust, MaybeErr(..) )
import Panic
import Outputable
+import Maybes
import System.Environment ( getEnv )
-import Distribution.InstalledPackageInfo hiding (depends)
-import Distribution.Package hiding (depends)
-import Distribution.Text
-import Distribution.Version
+import Distribution.InstalledPackageInfo
+import Distribution.Package hiding (PackageId,depends)
import FastString
import ErrUtils ( debugTraceMsg, putMsg, Message )
import Exception
import System.FilePath
import Data.Maybe
import Control.Monad
-import Data.List
+import Data.List as List
-- ---------------------------------------------------------------------------
-- The Package state
-- should be in reverse dependency order; that is, a package
-- is always mentioned before the packages it depends on.
- moduleToPkgConfAll :: UniqFM [(PackageConfig,Bool)] -- ModuleEnv mapping
+ moduleToPkgConfAll :: UniqFM [(PackageConfig,Bool)], -- ModuleEnv mapping
-- Derived from pkgIdMap.
-- Maps Module to (pkgconf,exposed), where pkgconf is the
-- PackageConfig for the package containing the module, and
-- exposed is True if the package exposes that module.
+
+ installedPackageIdMap :: FiniteMap InstalledPackageId PackageId
}
-- | A PackageConfigMap maps a 'PackageId' to a 'PackageConfig'
munge_paths = map munge_path
munge_path p
- | Just p' <- maybePrefixMatch "$topdir" p = top_dir ++ p'
- | Just p' <- maybePrefixMatch "$httptopdir" p = toHttpPath top_dir ++ p'
+ | Just p' <- stripPrefix "$topdir" p = top_dir ++ p'
+ | Just p' <- stripPrefix "$httptopdir" p = toHttpPath top_dir ++ p'
| otherwise = p
toHttpPath p = "file:///" ++ p
findWiredInPackages
:: DynFlags
-> [PackageConfig] -- database
- -> [PackageIdentifier] -- preload packages
- -> PackageId -- this package
- -> IO ([PackageConfig],
- [PackageIdentifier],
- PackageId)
+ -> IO [PackageConfig]
-findWiredInPackages dflags pkgs preload this_package = do
+findWiredInPackages dflags pkgs = do
--
-- Now we must find our wired-in packages, and rename them to
-- their canonical names (eg. base-1.0 ==> base).
--
let
- wired_in_pkgids :: [(PackageId, [String])]
- wired_in_pkgids = [ (primPackageId, [""]),
- (integerPackageId, [""]),
- (basePackageId, [""]),
- (rtsPackageId, [""]),
- (haskell98PackageId, [""]),
- (thPackageId, [""]),
- (dphSeqPackageId, [""]),
- (dphParPackageId, [""]),
- (ndpPackageId, ["-seq", "-par"]) ]
-
- matches :: PackageConfig -> (PackageId, [String]) -> Bool
- pc `matches` (pid, suffixes)
- = display (pkgName (package pc)) `elem`
- (map (packageIdString pid ++) suffixes)
+ wired_in_pkgids :: [String]
+ wired_in_pkgids = map packageIdString
+ [ primPackageId,
+ integerPackageId,
+ basePackageId,
+ rtsPackageId,
+ haskell98PackageId,
+ thPackageId,
+ dphSeqPackageId,
+ dphParPackageId ]
+
+ matches :: PackageConfig -> String -> Bool
+ pc `matches` pid = display (pkgName (package pc)) == pid
-- find which package corresponds to each wired-in package
-- delete any other packages with the same name
-- version. To override the default choice, -hide-package
-- could be used to hide newer versions.
--
- findWiredInPackage :: [PackageConfig] -> (PackageId, [String])
- -> IO (Maybe (PackageIdentifier, PackageId))
+ findWiredInPackage :: [PackageConfig] -> String
+ -> IO (Maybe InstalledPackageId)
findWiredInPackage pkgs wired_pkg =
let all_ps = [ p | p <- pkgs, p `matches` wired_pkg ] in
- case filter exposed all_ps of
- [] -> case all_ps of
- [] -> notfound
- many -> pick (head (sortByVersion many))
- many -> pick (head (sortByVersion many))
+ case all_ps of
+ [] -> notfound
+ many -> pick (head (sortByVersion many))
where
- suffixes = snd wired_pkg
notfound = do
debugTraceMsg dflags 2 $
ptext (sLit "wired-in package ")
- <> ppr (fst wired_pkg)
- <> (if null suffixes
- then empty
- else text (show suffixes))
+ <> text wired_pkg
<> ptext (sLit " not found.")
return Nothing
pick :: InstalledPackageInfo_ ModuleName
- -> IO (Maybe (PackageIdentifier, PackageId))
+ -> IO (Maybe InstalledPackageId)
pick pkg = do
debugTraceMsg dflags 2 $
ptext (sLit "wired-in package ")
- <> ppr (fst wired_pkg)
+ <> text wired_pkg
<> ptext (sLit " mapped to ")
<> text (display (package pkg))
- return (Just (package pkg, fst wired_pkg))
+ return (Just (installedPackageId pkg))
mb_wired_in_ids <- mapM (findWiredInPackage pkgs) wired_in_pkgids
let
wired_in_ids = catMaybes mb_wired_in_ids
- deleteOtherWiredInPackages pkgs = filterOut bad pkgs
- where bad p = any (p `matches`) wired_in_pkgids
- && package p `notElem` map fst wired_in_ids
+ -- this is old: we used to assume that if there were
+ -- multiple versions of wired-in packages installed that
+ -- they were mutually exclusive. Now we're assuming that
+ -- you have one "main" version of each wired-in package
+ -- (the latest version), and the others are backward-compat
+ -- wrappers that depend on this one. e.g. base-4.0 is the
+ -- latest, base-3.0 is a compat wrapper depending on base-4.0.
+ {-
+ deleteOtherWiredInPackages pkgs = filterOut bad pkgs
+ where bad p = any (p `matches`) wired_in_pkgids
+ && package p `notElem` map fst wired_in_ids
+ -}
updateWiredInDependencies pkgs = map upd_pkg pkgs
- where upd_pkg p = p{ package = upd_pid (package p),
- depends = map upd_pid (depends p) }
-
- upd_pid pid = case filter ((== pid) . fst) wired_in_ids of
- [] -> pid
- ((x, y):_) -> x{ pkgName = PackageName (packageIdString y),
- pkgVersion = Version [] [] }
-
- pkgs1 = deleteOtherWiredInPackages pkgs
-
- pkgs2 = updateWiredInDependencies pkgs1
+ where upd_pkg p
+ | installedPackageId p `elem` wired_in_ids
+ = p { package = (package p){ pkgVersion = Version [] [] } }
+ | otherwise
+ = p
- preload1 = map upd_pid preload
-
- -- we must return an updated thisPackage, just in case we
- -- are actually compiling one of the wired-in packages
- Just old_this_pkg = unpackPackageId this_package
- new_this_pkg = mkPackageId (upd_pid old_this_pkg)
-
- return (pkgs2, preload1, new_this_pkg)
+ return $ updateWiredInDependencies pkgs
-- ----------------------------------------------------------------------------
--
(new_avail, not_avail) -> go (new_avail ++ avail) (map fst not_avail)
depsAvailable :: [PackageConfig] -> PackageConfig
- -> Either PackageConfig (PackageConfig, [PackageIdentifier])
+ -> Either PackageConfig (PackageConfig, [InstalledPackageId])
depsAvailable pkgs_ok pkg
| null dangling = Left pkg
| otherwise = Right (pkg, dangling)
where dangling = filter (`notElem` pids) (depends pkg)
- pids = map package pkgs_ok
+ pids = map installedPackageId pkgs_ok
reportElim (p, deps) =
debugTraceMsg dflags 2 $
-- should contain at least rts & base, which is why we pretend that
-- the command line contains -package rts & -package base.
--
- let new_preload_packages =
- map package (pickPackages pkgs0 [ p | ExposePackage p <- flags ])
+ let preload1 = map installedPackageId $
+ pickPackages pkgs0 [ p | ExposePackage p <- flags ]
-- hide packages that are subsumed by later versions
pkgs2 <- hideOldPackages dflags pkgs1
-- sort out which packages are wired in
- (pkgs3, preload1, new_this_pkg)
- <- findWiredInPackages dflags pkgs2 new_preload_packages this_package
+ pkgs3 <- findWiredInPackages dflags pkgs2
let ignored = map packageConfigId $
pickPackages pkgs0 [ p | IgnorePackage p <- flags ]
let pkg_db = extendPackageConfigMap emptyPackageConfigMap pkgs
+ ipid_map = listToFM [ (installedPackageId p, packageConfigId p)
+ | p <- pkgs ]
+
+ lookupIPID ipid@(InstalledPackageId str)
+ | Just pid <- lookupFM ipid_map ipid = return pid
+ | otherwise = missingPackageErr str
+
+ preload2 <- mapM lookupIPID preload1
+
+ let
-- add base & rts to the preload packages
basicLinkedPackages
| dopt Opt_AutoLinkPackages dflags
-- but in any case remove the current package from the set of
-- preloaded packages so that base/rts does not end up in the
-- set up preloaded package when we are just building it
- preload2 = nub (filter (/= new_this_pkg)
- (basicLinkedPackages ++ map mkPackageId preload1))
+ preload3 = nub $ filter (/= this_package)
+ $ (basicLinkedPackages ++ preload2)
-- Close the preload packages with their dependencies
- dep_preload <- closeDeps pkg_db (zip preload2 (repeat Nothing))
+ dep_preload <- closeDeps pkg_db ipid_map (zip preload3 (repeat Nothing))
let new_dep_preload = filter (`notElem` preload0) dep_preload
let pstate = PackageState{ preloadPackages = dep_preload,
pkgIdMap = pkg_db,
- moduleToPkgConfAll = mkModuleMap pkg_db
+ moduleToPkgConfAll = mkModuleMap pkg_db,
+ installedPackageIdMap = ipid_map
}
- return (pstate, new_dep_preload, new_this_pkg)
+ return (pstate, new_dep_preload, this_package)
-- -----------------------------------------------------------------------------
collectLinkOpts :: DynFlags -> [PackageConfig] -> [String]
collectLinkOpts dflags ps = concat (map all_opts ps)
where
- tag = buildTag dflags
- rts_tag = rtsBuildTag dflags
+ libs p = packageHsLibs dflags p ++ extraLibraries p
+ all_opts p = map ("-l" ++) (libs p) ++ ldOptions p
+
+packageHsLibs :: DynFlags -> PackageConfig -> [String]
+packageHsLibs dflags p = map (mkDynName . addSuffix) (hsLibraries p)
+ where
+ non_dyn_ways = filter ((/= WayDyn) . wayName) (ways dflags)
+ -- the name of a shared library is libHSfoo-ghc<version>.so
+ -- we leave out the _dyn, because it is superfluous
+
+ tag = mkBuildTag (filter (not . wayRTSOnly) non_dyn_ways)
+ rts_tag = mkBuildTag non_dyn_ways
mkDynName | opt_Static = id
| otherwise = (++ ("-ghc" ++ cProjectVersion))
- libs p = map (mkDynName . addSuffix) (hsLibraries p)
- ++ extraLibraries p
- all_opts p = map ("-l" ++) (libs p) ++ ldOptions p
addSuffix rts@"HSrts" = rts ++ (expandTag rts_tag)
addSuffix other_lib = other_lib ++ (expandTag tag)
let
state = pkgState dflags
pkg_map = pkgIdMap state
+ ipid_map = installedPackageIdMap state
preload = preloadPackages state
pairs = zip pkgids (repeat Nothing)
in do
- all_pkgs <- throwErr (foldM (add_package pkg_map) preload pairs)
+ all_pkgs <- throwErr (foldM (add_package pkg_map ipid_map) preload pairs)
return (map (getPackageDetails state) all_pkgs)
-- Takes a list of packages, and returns the list with dependencies included,
-- in reverse dependency order (a package appears before those it depends on).
-closeDeps :: PackageConfigMap -> [(PackageId, Maybe PackageId)]
- -> IO [PackageId]
-closeDeps pkg_map ps = throwErr (closeDepsErr pkg_map ps)
+closeDeps :: PackageConfigMap
+ -> FiniteMap InstalledPackageId PackageId
+ -> [(PackageId, Maybe PackageId)]
+ -> IO [PackageId]
+closeDeps pkg_map ipid_map ps = throwErr (closeDepsErr pkg_map ipid_map ps)
throwErr :: MaybeErr Message a -> IO a
throwErr m = case m of
Failed e -> ghcError (CmdLineError (showSDoc e))
Succeeded r -> return r
-closeDepsErr :: PackageConfigMap -> [(PackageId,Maybe PackageId)]
- -> MaybeErr Message [PackageId]
-closeDepsErr pkg_map ps = foldM (add_package pkg_map) [] ps
+closeDepsErr :: PackageConfigMap
+ -> FiniteMap InstalledPackageId PackageId
+ -> [(PackageId,Maybe PackageId)]
+ -> MaybeErr Message [PackageId]
+closeDepsErr pkg_map ipid_map ps = foldM (add_package pkg_map ipid_map) [] ps
-- internal helper
-add_package :: PackageConfigMap -> [PackageId] -> (PackageId,Maybe PackageId)
- -> MaybeErr Message [PackageId]
-add_package pkg_db ps (p, mb_parent)
+add_package :: PackageConfigMap
+ -> FiniteMap InstalledPackageId PackageId
+ -> [PackageId]
+ -> (PackageId,Maybe PackageId)
+ -> MaybeErr Message [PackageId]
+add_package pkg_db ipid_map ps (p, mb_parent)
| p `elem` ps = return ps -- Check if we've already added this package
| otherwise =
case lookupPackage pkg_db p of
missingDependencyMsg mb_parent)
Just pkg -> do
-- Add the package's dependents also
- let deps = map mkPackageId (depends pkg)
- ps' <- foldM (add_package pkg_db) ps (zip deps (repeat (Just p)))
+ ps' <- foldM add_package_ipid ps (depends pkg)
return (p : ps')
+ where
+ add_package_ipid ps ipid@(InstalledPackageId str)
+ | Just pid <- lookupFM ipid_map ipid
+ = add_package pkg_db ipid_map ps (pid, Just p)
+ | otherwise
+ = Failed (missingPackageMsg str <> missingDependencyMsg mb_parent)
-missingPackageErr :: String -> IO [PackageConfig]
+missingPackageErr :: String -> IO a
missingPackageErr p = ghcError (CmdLineError (showSDoc (missingPackageMsg p)))
missingPackageMsg :: String -> SDoc