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Diffstat (limited to 'vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Version.hs')
-rw-r--r-- | vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Version.hs | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Version.hs b/vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Version.hs new file mode 100644 index 0000000..5d4f5f5 --- /dev/null +++ b/vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Version.hs @@ -0,0 +1,49 @@ +-- cabal-helper: Simple interface to Cabal's configuration state +-- Copyright (C) 2017-2018 Daniel Gröber <cabal-helper@dxld.at> +-- +-- This program is free software: you can redistribute it and/or modify +-- it under the terms of the GNU General Public License as published by +-- the Free Software Foundation, either version 3 of the License, or +-- (at your option) any later version. +-- +-- This program is distributed in the hope that it will be useful, +-- but WITHOUT ANY WARRANTY; without even the implied warranty of +-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +-- GNU General Public License for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with this program. If not, see <http://www.gnu.org/licenses/>. + +{-# LANGUAGE CPP #-} +module CabalHelper.Compiletime.Compat.Version + ( DataVersion + , toDataVersion + , fromDataVersion + , Data.Version.showVersion + , makeDataVersion + ) where + +import qualified Data.Version +import qualified Distribution.Version (Version) +#if MIN_VERSION_Cabal(2,0,0) +import qualified Distribution.Version (versionNumbers, mkVersion) +#endif + +type DataVersion = Data.Version.Version + +toDataVersion :: Distribution.Version.Version -> Data.Version.Version +fromDataVersion :: Data.Version.Version -> Distribution.Version.Version +#if MIN_VERSION_Cabal(2,0,0) +toDataVersion v = Data.Version.Version (Distribution.Version.versionNumbers v) [] +fromDataVersion (Data.Version.Version vs _) = Distribution.Version.mkVersion vs +#else +toDataVersion = id +fromDataVersion = id +#endif + +makeDataVersion :: [Int] -> Data.Version.Version +#if MIN_VERSION_base(4,8,0) +makeDataVersion = Data.Version.makeVersion +#else +makeDataVersion xs = Data.Version.Version xs [] +#endif |