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{-# LANGUAGE ScopedTypeVariables #-}
module Settings.Builders.Ghc (ghcBuilderArgs, haddockGhcArgs) where
import Hadrian.Haskell.Cabal
import Hadrian.Haskell.Cabal.Type
import Flavour
import Packages
import Settings.Builders.Common
import Settings.Warnings
import qualified Context as Context
import Rules.Libffi (libffiName)
import System.Directory
ghcBuilderArgs :: Args
ghcBuilderArgs = mconcat [ compileAndLinkHs, compileC, compileCxx, findHsDependencies
, toolArgs]
toolArgs :: Args
toolArgs = do
builder (Ghc ToolArgs) ? mconcat
[ packageGhcArgs
, includeGhcArgs
, map ("-optc" ++) <$> getStagedSettingList ConfCcArgs
, map ("-optP" ++) <$> getStagedSettingList ConfCppArgs
, map ("-optP" ++) <$> getContextData cppOpts
]
compileAndLinkHs :: Args
compileAndLinkHs = (builder (Ghc CompileHs) ||^ builder (Ghc LinkHs)) ? do
ways <- getLibraryWays
useColor <- shakeColor <$> expr getShakeOptions
let hasVanilla = elem vanilla ways
hasDynamic = elem dynamic ways
mconcat [ arg "-Wall"
, not useColor ? builder (Ghc CompileHs) ?
-- N.B. Target.trackArgument ignores this argument from the
-- input hash to avoid superfluous recompilation, avoiding
-- #18672.
arg "-fdiagnostics-color=never"
, (hasVanilla && hasDynamic) ? builder (Ghc CompileHs) ?
platformSupportsSharedLibs ? way vanilla ?
arg "-dynamic-too"
, commonGhcArgs
, ghcLinkArgs
, defaultGhcWarningsArgs
, builder (Ghc CompileHs) ? arg "-c"
, getInputs
, arg "-o", arg =<< getOutput ]
compileC :: Args
compileC = builder (Ghc CompileCWithGhc) ? do
way <- getWay
let ccArgs = [ getContextData ccOpts
, getStagedSettingList ConfCcArgs
, cIncludeArgs
, Dynamic `wayUnit` way ? pure [ "-fPIC", "-DDYNAMIC" ] ]
mconcat [ arg "-Wall"
, ghcLinkArgs
, commonGhcArgs
, mconcat (map (map ("-optc" ++) <$>) ccArgs)
, defaultGhcWarningsArgs
, arg "-c"
, getInputs
, arg "-o"
, arg =<< getOutput ]
compileCxx :: Args
compileCxx = builder (Ghc CompileCppWithGhc) ? do
way <- getWay
let ccArgs = [ getContextData cxxOpts
, getStagedSettingList ConfCcArgs
, cIncludeArgs
, Dynamic `wayUnit` way ? pure [ "-fPIC", "-DDYNAMIC" ] ]
mconcat [ arg "-Wall"
, ghcLinkArgs
, commonGhcArgs
, mconcat (map (map ("-optcxx" ++) <$>) ccArgs)
, defaultGhcWarningsArgs
, arg "-c"
, getInputs
, arg "-o"
, arg =<< getOutput ]
ghcLinkArgs :: Args
ghcLinkArgs = builder (Ghc LinkHs) ? do
pkg <- getPackage
libs <- getContextData extraLibs
libDirs <- getContextData extraLibDirs
fmwks <- getContextData frameworks
way <- getWay
-- Relative path from the output (rpath $ORIGIN).
originPath <- dropFileName <$> getOutput
context <- getContext
libPath' <- expr (libPath context)
st <- getStage
distDir <- expr (Context.distDir st)
useSystemFfi <- expr (flag UseSystemFfi)
buildPath <- getBuildPath
libffiName' <- libffiName
debugged <- ghcDebugged <$> expr flavour
let
dynamic = Dynamic `wayUnit` way
distPath = libPath' -/- distDir
originToLibsDir = makeRelativeNoSysLink originPath distPath
rpath
-- Programs will end up in the bin dir ($ORIGIN) and will link to
-- libraries in the lib dir.
| isProgram pkg = metaOrigin -/- originToLibsDir
-- libraries will all end up in the lib dir, so just use $ORIGIN
| otherwise = metaOrigin
where
metaOrigin | osxHost = "@loader_path"
| otherwise = "$ORIGIN"
-- TODO: an alternative would be to generalize by linking with extra
-- bundled libraries, but currently the rts is the only use case. It is
-- a special case when `useSystemFfi == True`: the ffi library files
-- are not actually bundled with the rts. Perhaps ffi should be part of
-- rts's extra libraries instead of extra bundled libraries in that
-- case. Care should be take as to not break the make build.
rtsFfiArg = package rts ? not useSystemFfi ? mconcat
[ arg ("-L" ++ buildPath)
, arg ("-l" ++ libffiName')
]
-- This is the -rpath argument that is required for the bindist scenario
-- to work. Indeed, when you install a bindist, the actual executables
-- end up nested somewhere under $libdir, with the wrapper scripts
-- taking their place in $bindir, and 'rpath' therefore doesn't seem
-- to give us the right paths for such a case.
-- TODO: Could we get away with just one rpath...?
bindistRpath = "$ORIGIN" -/- ".." -/- ".." -/- originToLibsDir
mconcat [ dynamic ? mconcat
[ arg "-dynamic"
-- TODO what about windows?
, isLibrary pkg ? pure [ "-shared", "-dynload", "deploy" ]
, hostSupportsRPaths ? mconcat
[ arg ("-optl-Wl,-rpath," ++ rpath)
, isProgram pkg ? arg ("-optl-Wl,-rpath," ++ bindistRpath)
-- The darwin linker doesn't support/require the -zorigin option
, not osxHost ? arg "-optl-Wl,-zorigin"
-- We set RPATH directly (relative to $ORIGIN). There's
-- no reason for GHC to inject further RPATH entries.
-- See #19485.
, arg "-fno-use-rpaths"
]
]
, arg "-no-auto-link-packages"
, nonHsMainPackage pkg ? arg "-no-hs-main"
, not (nonHsMainPackage pkg) ? arg "-rtsopts"
, pure [ "-l" ++ lib | lib <- libs ]
, pure [ "-L" ++ libDir | libDir <- libDirs ]
, rtsFfiArg
, osxHost ? pure (concat [ ["-framework", fmwk] | fmwk <- fmwks ])
, debugged ? packageOneOf [ghc, iservProxy, iserv, remoteIserv] ?
arg "-debug"
]
findHsDependencies :: Args
findHsDependencies = builder (Ghc FindHsDependencies) ? do
ways <- getLibraryWays
stage <- getStage
ghcVersion :: [Int] <- fmap read . splitOn "." <$> expr (ghcVersionStage stage)
mconcat [ arg "-M"
-- "-include-cpp-deps" is a new ish feature so is version gated.
-- Without this feature some dependencies will be missing in stage0.
-- TODO Remove version gate when minimum supported Stage0 compiler
-- is >= 8.9.0.
, ghcVersion > [8,9,0] ? arg "-include-cpp-deps"
, commonGhcArgs
, defaultGhcWarningsArgs
, arg "-include-pkg-deps"
, arg "-dep-makefile", arg =<< getOutput
, pure $ concat [ ["-dep-suffix", wayPrefix w] | w <- ways ]
, getInputs ]
haddockGhcArgs :: Args
haddockGhcArgs = mconcat [ commonGhcArgs
, getContextData hcOpts
, ghcWarningsArgs ]
-- | Common GHC command line arguments used in 'ghcBuilderArgs',
-- 'ghcCBuilderArgs', 'ghcMBuilderArgs' and 'haddockGhcArgs'.
commonGhcArgs :: Args
commonGhcArgs = do
way <- getWay
path <- getBuildPath
stage <- getStage
ghcVersion <- expr $ ghcVersionH stage
mconcat [ arg "-hisuf", arg $ hisuf way
, arg "-osuf" , arg $ osuf way
, arg "-hcsuf", arg $ hcsuf way
, wayGhcArgs
, packageGhcArgs
, includeGhcArgs
-- When compiling RTS for Stage1 or Stage2 we do not have it (yet)
-- in the package database. We therefore explicitly supply the path
-- to the @ghc-version@ file, to prevent GHC from trying to open the
-- RTS package in the package database and failing.
, package rts ? notStage0 ? arg ("-ghcversion-file=" ++ ghcVersion)
, map ("-optc" ++) <$> getStagedSettingList ConfCcArgs
, map ("-optP" ++) <$> getStagedSettingList ConfCppArgs
, map ("-optP" ++) <$> getContextData cppOpts
, arg "-outputdir", arg path ]
-- TODO: Do '-ticky' in all debug ways?
wayGhcArgs :: Args
wayGhcArgs = do
way <- getWay
mconcat [ if Dynamic `wayUnit` way
then pure ["-fPIC", "-dynamic"]
else arg "-static"
, (Threaded `wayUnit` way) ? arg "-optc-DTHREADED_RTS"
, (Debug `wayUnit` way) ? arg "-optc-DDEBUG"
, (Profiling `wayUnit` way) ? arg "-prof"
, supportsEventlog way ? arg "-eventlog"
, (way == debug || way == debugDynamic) ?
pure ["-ticky", "-DTICKY_TICKY"] ]
where supportsEventlog w = any (`wayUnit` w) [Logging, Profiling, Debug]
packageGhcArgs :: Args
packageGhcArgs = do
package <- getPackage
pkgId <- expr $ pkgIdentifier package
mconcat [ arg "-hide-all-packages"
, arg "-no-user-package-db"
, arg "-package-env -"
, packageDatabaseArgs
, libraryPackage ? arg ("-this-unit-id " ++ pkgId)
, map ("-package-id " ++) <$> getContextData depIds ]
includeGhcArgs :: Args
includeGhcArgs = do
pkg <- getPackage
path <- exprIO . makeAbsolute =<< getBuildPath
context <- getContext
srcDirs <- getContextData srcDirs
abSrcDirs <- exprIO $ mapM makeAbsolute [ (pkgPath pkg -/- dir) | dir <- srcDirs ]
autogen <- expr (autogenPath context)
cautogen <- exprIO (makeAbsolute autogen)
stage <- getStage
libPath <- expr (stageLibPath stage)
let cabalMacros = autogen -/- "cabal_macros.h"
expr $ need [cabalMacros]
mconcat [ arg "-i"
, arg $ "-i" ++ path
, arg $ "-i" ++ cautogen
, pure [ "-i" ++ d | d <- abSrcDirs ]
, cIncludeArgs
, arg $ "-I" ++ libPath
, arg $ "-optc-I" ++ libPath
, pure ["-optP-include", "-optP" ++ cabalMacros] ]
|
