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module Rules.Program (buildProgram) where
import Hadrian.Haskell.Cabal
import Hadrian.Haskell.Cabal.Type
import Base
import Context
import Expression hiding (stage, way)
import Oracles.Flag
import Oracles.ModuleFiles
import Packages
import Settings
import Settings.Default
import Target
import Utilities
-- | TODO: Drop code duplication
buildProgram :: [(Resource, Int)] -> Rules ()
buildProgram rs = do
root <- buildRootRules
forM_ [Stage0 ..] $ \stage ->
[ root -/- stageString stage -/- "bin" -/- "*"
, root -/- stageString stage -/- "lib/bin" -/- "*" ] |%> \bin -> do
-- This is quite inefficient, but we can't access 'programName' from
-- 'Rules', because it is an 'Action' depending on an oracle.
sPackages <- filter isProgram <$> stagePackages stage
tPackages <- testsuitePackages
-- TODO: Shall we use Stage2 for testsuite packages instead?
let allPackages = sPackages
++ if stage == Stage1 then tPackages else []
nameToCtxList <- fmap concat . forM allPackages $ \pkg -> do
-- the iserv pkg results in three different programs at
-- the moment, ghc-iserv (built the vanilla way),
-- ghc-iserv-prof (built the profiling way), and
-- ghc-iserv-dyn (built the dynamic way).
-- The testsuite requires all to be present, so we
-- make sure that we cover these
-- "prof-build-under-other-name" cases.
-- iserv gets its names from Packages.hs:programName
let allCtxs = [ vanillaContext stage pkg
, Context stage pkg profiling
, Context stage pkg dynamic
]
forM allCtxs $ \ctx -> do
name <- programName ctx
return (name <.> exe, ctx)
case lookup (takeFileName bin) nameToCtxList of
Nothing -> error $ "Unknown program " ++ show bin
Just ctx@(Context {..}) -> do
-- Custom dependencies: this should be modeled better in the
-- Cabal file somehow.
-- TODO: Is this still needed? See 'runtimeDependencies'.
when (package == hsc2hs) $ do
-- 'Hsc2hs' needs the @template-hsc.h@ file.
template <- templateHscPath stage
need [template]
when (package == ghc) $ do
-- GHC depends on @settings@, @platformConstants@,
-- @llvm-targets@, @ghc-usage.txt@, @ghci-usage.txt@,
-- @llvm-passes@.
need =<< ghcDeps stage
cross <- flag CrossCompiling
-- For cross compiler, copy @stage0/bin/<pgm>@ to @stage1/bin/@.
case (cross, stage) of
(True, s) | s > Stage0 -> do
srcDir <- buildRoot <&> (-/- (stageString Stage0 -/- "bin"))
copyFile (srcDir -/- takeFileName bin) bin
(False, s) | s > Stage0 && (package `elem` [touchy, unlit]) -> do
srcDir <- stageLibPath Stage0 <&> (-/- "bin")
copyFile (srcDir -/- takeFileName bin) bin
_ -> buildBinary rs bin ctx
buildBinary :: [(Resource, Int)] -> FilePath -> Context -> Action ()
buildBinary rs bin context@Context {..} = do
needLibrary =<< contextDependencies context
when (stage > Stage0) $ do
ways <- interpretInContext context (getLibraryWays <> getRtsWays)
needLibrary [ rtsContext { way = w } | w <- ways ]
cSrcs <- interpretInContext context (getContextData cSrcs)
cObjs <- mapM (objectPath context) cSrcs
hsObjs <- hsObjects context
let binDeps = cObjs ++ hsObjs
need binDeps
buildWithResources rs $ target context (Ghc LinkHs stage) binDeps [bin]
synopsis <- pkgSynopsis package
putSuccess $ renderProgram
(quote (pkgName package) ++ " (" ++ show stage ++ ").") bin synopsis
|
