summaryrefslogtreecommitdiff
path: root/hadrian/src/Settings/Builders/Cabal.hs
blob: c175cd6500784fbf3171bfa9288412e1775a97a1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
module Settings.Builders.Cabal (cabalBuilderArgs) where

import Development.Shake.FilePath
import Hadrian.Haskell.Cabal

import Builder
import Context
import Flavour
import Packages
import Settings.Builders.Common
import qualified Settings.Builders.Common as S

cabalBuilderArgs :: Args
cabalBuilderArgs = builder (Cabal Setup) ? do
    verbosity <- expr getVerbosity
    top       <- expr topDirectory
    pkg       <- getPackage
    path      <- getContextPath
    stage     <- getStage
    let prefix = "${pkgroot}" ++ (if windowsHost then "" else "/..")
    mconcat [ arg "configure"
            -- Don't strip libraries when cross compiling.
            -- TODO: We need to set @--with-strip=(stripCmdPath :: Action FilePath)@,
            -- and if it's @:@ disable stripping as well. As it is now, I believe
            -- we might have issues with stripping on Windows, as I can't see a
            -- consumer of 'stripCmdPath'.
            -- TODO: See https://github.com/snowleopard/hadrian/issues/549.
            , flag CrossCompiling ? pure [ "--disable-executable-stripping"
                                         , "--disable-library-stripping" ]
            -- We don't want to strip the debug RTS
            , S.package rts ? pure [ "--disable-executable-stripping"
                                  , "--disable-library-stripping" ]
            , arg "--cabal-file"
            , arg $ pkgCabalFile pkg
            , arg "--distdir"
            , arg $ top -/- path
            , arg "--ipid"
            , arg "$pkg-$version"
            , arg "--prefix"
            , arg prefix

            -- NB: this is valid only because Hadrian puts the @docs@ and
            -- @libraries@ folders in the same relative position:
            --
            --   * libraries in @_build/stageN/libraries@
            --   * docs in @_build/docs/html/libraries@
            --
            -- This doesn't hold if we move the @docs@ folder anywhere else.
            , arg "--htmldir"
            , arg $ "${pkgroot}/../../docs/html/libraries/" ++ pkgName pkg

            , withStaged $ Ghc CompileHs
            , withBuilderArgs (Ghc CompileHs stage)
            , withStaged (GhcPkg Update)
            , withBuilderArgs (GhcPkg Update stage)
            , bootPackageDatabaseArgs
            , libraryArgs
            , configureArgs
            , bootPackageConstraints
            , withStaged $ Cc CompileC
            , notStage0 ? with (Ld stage)
            , withStaged (Ar Pack)
            , with Alex
            , with Happy
            -- Update Target.trackArgument if changing these:
            , verbosity < Chatty ?
              pure [ "-v0", "--configure-option=--quiet"
                   , "--configure-option=--disable-option-checking" ] ]

-- TODO: Isn't vanilla always built? If yes, some conditions are redundant.
-- TODO: Need compiler_stage1_CONFIGURE_OPTS += --disable-library-for-ghci?
-- TODO: should `elem` be `wayUnit`?
-- This approach still doesn't work. Previously libraries were build only in the
-- Default flavours and not using context.
libraryArgs :: Args
libraryArgs = do
    flavourWays <- getLibraryWays
    contextWay  <- getWay
    package     <- getPackage
    withGhci    <- expr ghcWithInterpreter
    dynPrograms <- expr (flavour >>= dynamicGhcPrograms)
    let ways = flavourWays ++ [contextWay]
        hasVanilla = vanilla `elem` ways
        hasProfiling = any (wayUnit Profiling) ways
        hasDynamic = any (wayUnit Dynamic) ways
    pure [ if hasVanilla
           then  "--enable-library-vanilla"
           else "--disable-library-vanilla"
         , if hasProfiling
           then  "--enable-library-profiling"
           else "--disable-library-profiling"
         , if (hasVanilla || hasProfiling) &&
              package /= rts && withGhci && not dynPrograms
           then  "--enable-library-for-ghci"
           else "--disable-library-for-ghci"
         , if hasDynamic
           then  "--enable-shared"
           else "--disable-shared" ]

-- TODO: LD_OPTS?
configureArgs :: Args
configureArgs = do
    top  <- expr topDirectory
    pkg  <- getPackage
    stage <- getStage
    libPath <- expr $ stageLibPath stage
    let conf key expr = do
            values <- unwords <$> expr
            not (null values) ?
                arg ("--configure-option=" ++ key ++ "=" ++ values)
        cFlags   = mconcat [ remove ["-Werror"] cArgs
                           , getStagedSettingList ConfCcArgs
                           , arg $ "-I" ++ libPath
                           -- See https://github.com/snowleopard/hadrian/issues/523
                           , arg $ "-iquote"
                           , arg $ top -/- pkgPath pkg
                           , arg $ "-I" ++ top -/- "includes" ]
        ldFlags  = ldArgs  <> (getStagedSettingList ConfGccLinkerArgs)
        cppFlags = cppArgs <> (getStagedSettingList ConfCppArgs)
    cldFlags <- unwords <$> (cFlags <> ldFlags)
    mconcat
        [ conf "CFLAGS"   cFlags
        , conf "LDFLAGS"  ldFlags
        , conf "CPPFLAGS" cppFlags
        , not (null cldFlags) ? arg ("--gcc-options=" ++ cldFlags)
        , conf "--with-iconv-includes"    $ arg =<< getSetting IconvIncludeDir
        , conf "--with-iconv-libraries"   $ arg =<< getSetting IconvLibDir
        , conf "--with-gmp-includes"      $ arg =<< getSetting GmpIncludeDir
        , conf "--with-gmp-libraries"     $ arg =<< getSetting GmpLibDir
        , conf "--with-curses-libraries"  $ arg =<< getSetting CursesLibDir
        , conf "--host"                   $ arg =<< getSetting TargetPlatformFull
        , conf "--with-cc" $ arg =<< getBuilderPath . (Cc CompileC) =<< getStage
        , notStage0 ? (arg =<< ("--ghc-option=-ghcversion-file=" ++) <$> expr ((-/-) <$> topDirectory <*> ghcVersionH stage))]

bootPackageConstraints :: Args
bootPackageConstraints = stage0 ? do
    bootPkgs <- expr $ stagePackages Stage0
    let pkgs = filter (\p -> p /= compiler && isLibrary p) bootPkgs
    constraints <- expr $ forM (sort pkgs) $ \pkg -> do
        version <- pkgVersion pkg
        return $ ((pkgName pkg ++ " == ") ++) version
    pure $ concat [ ["--constraint", c] | c <- constraints ]

cppArgs :: Args
cppArgs = do
    stage <- getStage
    libPath <- expr $ stageLibPath stage
    arg $ "-I" ++ libPath

withBuilderKey :: Builder -> String
withBuilderKey b = case b of
    Ar _ _     -> "--with-ar="
    Ld _       -> "--with-ld="
    Cc  _ _    -> "--with-gcc="
    Ghc _ _    -> "--with-ghc="
    Alex       -> "--with-alex="
    Happy      -> "--with-happy="
    GhcPkg _ _ -> "--with-ghc-pkg="
    _          -> error $ "withBuilderKey: not supported builder " ++ show b

-- | Add arguments to builders if needed.
withBuilderArgs :: Builder -> Args
withBuilderArgs b = case b of
    Ghc _ stage -> do
      top   <- expr topDirectory
      pkgDb <- expr $ packageDbPath stage
      -- GHC starts with a nonempty package DB stack, so we need to tell it
      -- to empty the stack first for it to truly consider only the package
      -- DB we explicitly provide. See #17468.
      notStage0 ? arg ("--ghc-option=-no-global-package-db") <>
                  arg ("--ghc-option=-package-db=" ++ top -/- pkgDb)
    GhcPkg _ stage -> do
      top   <- expr topDirectory
      pkgDb <- expr $ packageDbPath stage
      notStage0 ? arg ("--ghc-pkg-option=--global-package-db=" ++ top -/- pkgDb)
    _          -> return [] -- no arguments

-- | Expression 'with Alex' appends "--with-alex=/path/to/alex" and needs Alex.
with :: Builder -> Args
with b = do
    path <- getBuilderPath b
    if null path then mempty else do
        top <- expr topDirectory
        expr $ needBuilder b
        -- Do not inject top, if we have a bare name. E.g. do not turn
        -- `ar` into `$top/ar`. But let `ar` be `ar` as found on $PATH.
        arg  $ withBuilderKey b ++ unifyPath (if path /= takeFileName path
                                              then top </> path
                                              else path)

withStaged :: (Stage -> Builder) -> Args
withStaged sb = with . sb =<< getStage