module Main (main) where
-import Distribution.Compat.Exception
import qualified Distribution.ModuleName as ModuleName
import Distribution.PackageDescription
import Distribution.PackageDescription.Configuration
import Distribution.Simple.Configure
import Distribution.Simple.LocalBuildInfo
import Distribution.Simple.Program
-import Distribution.Simple.Utils (defaultPackageDesc, withTempFile)
+import Distribution.Simple.Utils (defaultPackageDesc, writeFileAtomic)
import Distribution.Simple.Build (writeAutogenFiles)
-import Distribution.Simple.Register (writeInstalledConfig)
+import Distribution.Simple.Register
import Distribution.Simple.PackageIndex
-import Distribution.System
import Distribution.Text
import Distribution.Verbosity
import qualified Distribution.InstalledPackageInfo as Installed
- ( InstalledPackageInfo_(..) )
import qualified Distribution.Simple.PackageIndex as PackageIndex
- ( topologicalOrder, lookupPackageName, insert )
-import Control.Exception
import Control.Monad
import Data.Maybe
import System.IO
lbi <- getPersistBuildConfig distdir
let pd0 = localPkgDescr lbi
- -- Sigh, haskeline proper uses stuff in Setup.hs to handle whether
- -- or not -liconv is used. We don't use Setup.hs, so we replicate
- -- what it does here. We should do this better somehow.
- when ((display (pkgName (package pd0)) == "haskeline") &&
- (buildOS /= Windows)) $
- case library pd0 of
- Nothing -> fail "Can't happen: No haskeline library"
- Just lib -> do
- d <- getCurrentDirectory
- print d
- maybeSetLibiconv verbosity (libBuildInfo lib) lbi
-
hooked_bi <-
if (buildType pd0 == Just Configure) || (buildType pd0 == Just Custom)
then do
writeAutogenFiles verbosity pd lbi
-- generate inplace-pkg-config
- when (isJust $ library pd) $
- writeInstalledConfig distdir pd lbi True
- (distdir </> "inplace-pkg-config")
+ case (library pd, libraryConfig lbi) of
+ (Nothing, Nothing) -> return ()
+ (Just lib, Just clbi) -> do
+ cwd <- getCurrentDirectory
+ let installedPkgInfo = inplaceInstalledPackageInfo cwd distdir
+ pd lib lbi clbi
+ content = Installed.showInstalledPackageInfo installedPkgInfo ++ "\n"
+ writeFileAtomic (distdir </> "inplace-pkg-config") content
+ _ -> error "Inconsistent lib components; can't happen?"
let
libBiModules lib = (libBuildInfo lib, libModules lib)
variablePrefix ++ "_EXTRA_LIBRARIES = " ++ unwords (extraLibs bi),
variablePrefix ++ "_EXTRA_LIBDIRS = " ++ unwords (extraLibDirs bi),
variablePrefix ++ "_C_SRCS = " ++ unwords (cSources bi),
+ variablePrefix ++ "_CMM_SRCS = $(addprefix cbits/,$(notdir $(wildcard " ++ directory ++ "/cbits/*.cmm)))",
-- XXX This includes things it shouldn't, like:
-- -odir dist-bootstrapping/build
variablePrefix ++ "_HC_OPTS = " ++ escape (unwords
where
escape = foldr (\c xs -> if c == '#' then '\\':'#':xs else c:xs) []
-----------------------------------------------------------------------
--- haskeline-specific hacks
-
--- Sigh, haskeline proper uses stuff in Setup.hs to handle whether
--- or not -liconv is used. We don't use Setup.hs, so we replicate
--- what it does here. We should do this better somehow.
-
--- Test whether compiling a c program that links against libiconv needs -liconv.
-maybeSetLibiconv :: Verbosity -> BuildInfo -> LocalBuildInfo -> IO ()
-maybeSetLibiconv verb bi lbi = do
- let biWithIconv = addIconv bi
- worksWithout <- tryCompile iconv_prog bi lbi verb
- if worksWithout
- then writeBuildInfo ""
- else do
- worksWith <- tryCompile iconv_prog biWithIconv lbi verb
- if worksWith
- then do
- writeBuildInfo "iconv"
- else fail "Unable to link against the iconv library."
- where
- -- Cabal (at least 1.6.0.1) won't parse an empty buildinfo file.
- writeBuildInfo libs = writeFile "haskeline.buildinfo"
- $ unlines ["extra-libraries: " ++ libs]
-
-tryCompile :: String -> BuildInfo -> LocalBuildInfo -> Verbosity -> IO Bool
-tryCompile program bi lbi verb = flip catchIO processException $ flip catchExit processExit $ do
- tempDir <- getTemporaryDirectory
- withTempFile tempDir ".c" $ \fname h -> do
- hPutStr h program
- hClose h
- -- TODO take verbosity from the args.
- rawSystemProgramStdoutConf verb gccProgram (withPrograms lbi) (fname : args)
- return True
- where
- processException :: IOException -> IO Bool
- processException _ = return False
- processExit = return . (==ExitSuccess)
- -- Mimicing Distribution.Simple.Configure
- deps = topologicalOrder (installedPkgs lbi)
- args = concat
- [ ccOptions bi
- , cppOptions bi
- , ldOptions bi
- -- --extra-include-dirs and --extra-lib-dirs are included
- -- in the below fields.
- -- Also sometimes a dependency like rts points to a nonstandard
- -- include/lib directory where iconv can be found.
- , map ("-I" ++) (includeDirs bi ++ concatMap Installed.includeDirs deps)
- , map ("-L" ++) (extraLibDirs bi ++ concatMap Installed.libraryDirs deps)
- , map ("-l" ++) (extraLibs bi)
- ]
-
-addIconv :: BuildInfo -> BuildInfo
-addIconv bi = bi {extraLibs = "iconv" : extraLibs bi}
-
-iconv_prog :: String
-iconv_prog = unlines $
- [ "#include <iconv.h>"
- , "int main(void) {"
- , " iconv_t t = iconv_open(\"UTF-8\", \"UTF-8\");"
- , " return 0;"
- , "}"
- ]
-