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|
{-# LANGUAGE CPP, ViewPatterns #-}
-- Adjustments specific to this package,
-- all Gtk2Hs-specific boilerplate is kept in
-- gtk2hs-buildtools:Gtk2HsSetup
--
import Distribution.Simple ( defaultMainWithHooks, UserHooks(postConf),
PackageIdentifier(..), PackageName(..) )
import Gtk2HsSetup ( gtk2hsUserHooks, getPkgConfigPackages)
import Distribution.Simple.Setup ( ConfigFlags(configVerbosity), fromFlag)
import Distribution.Simple.LocalBuildInfo ( LocalBuildInfo(..) )
import Distribution.Simple.BuildPaths ( autogenPackageModulesDir )
import Distribution.Text ( display )
import Distribution.Version ( Version(..) )
import Distribution.Verbosity
import Distribution.Simple.Utils hiding (die)
import System.FilePath
import System.Exit (die)
#if MIN_VERSION_Cabal(2,0,0)
import Distribution.Version ( versionNumbers )
import Distribution.Types.PackageName ( unPackageName )
#endif
main =
defaultMainWithHooks gtk2hsUserHooks {
postConf = \args cf pd lbi -> do
let verb = (fromFlag (configVerbosity cf))
cPkgs <- getPkgConfigPackages verb lbi pd
let [pangoVersion] = [ v | PackageIdentifier (unPackageName -> "pango") v <- cPkgs ]
writePangoVersionHeaderFile verb lbi pangoVersion
postConf gtk2hsUserHooks args cf pd lbi
}
------------------------------------------------------------------------------
-- Generate CPP defines for version of C libs.
------------------------------------------------------------------------------
writePangoVersionHeaderFile :: Verbosity -> LocalBuildInfo -> Version -> IO ()
#if MIN_VERSION_Cabal(2,0,0)
writePangoVersionHeaderFile verbosity lbi (versionNumbers -> (major:minor:micro:_)) = do
#else
writePangoVersionHeaderFile verbosity lbi (Version (major:minor:micro:_) []) = do
#endif
createDirectoryIfMissingVerbose verbosity True targetDir
rewriteFileEx verbosity targetFile $ unlines
[ "#define PANGO_VERSION_MAJOR " ++ show major
, "#define PANGO_VERSION_MINOR " ++ show minor
, "#define PANGO_VERSION_MICRO " ++ show micro
]
where
targetDir = autogenPackageModulesDir lbi
targetFile = targetDir </> "hspangoversion.h"
writeVersionHeaderFile _ _ version =
die $ "unexpected pango version number: " ++ display version
|
