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Diffstat (limited to 'vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Environment.hs')
-rw-r--r-- | vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Environment.hs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Environment.hs b/vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Environment.hs new file mode 100644 index 0000000..58bb9ee --- /dev/null +++ b/vendor/cabal-helper-0.8.1.2/src/CabalHelper/Compiletime/Compat/Environment.hs @@ -0,0 +1,35 @@ +-- cabal-helper: Simple interface to Cabal's configuration state +-- Copyright (C) 2017 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.Environment where + +import qualified System.Environment +#ifndef mingw32_HOST_OS +import qualified System.Posix.Env (setEnv) +#endif + +lookupEnv :: String -> IO (Maybe String) +lookupEnv var = + do env <- System.Environment.getEnvironment + return (lookup var env) + +setEnv :: String -> String -> IO () +#ifdef mingw32_HOST_OS +setEnv = System.Environment.setEnv +#else +setEnv k v = System.Posix.Env.setEnv k v True +#endif |