module GHC.UniqueSubdir
  ( uniqueSubdir
  ) where

import Prelude -- See Note [Why do we import Prelude here?]

import Data.List (intercalate)

import GHC.Platform.ArchOS
import GHC.Version (cProjectVersion)

-- | A filepath like @x86_64-linux-7.6.3@ with the platform string to use when
-- constructing platform-version-dependent files that need to co-exist.
uniqueSubdir :: ArchOS -> FilePath
uniqueSubdir :: ArchOS -> FilePath
uniqueSubdir (ArchOS Arch
arch OS
os) = FilePath -> [FilePath] -> FilePath
forall a. [a] -> [[a]] -> [a]
intercalate FilePath
  [ Arch -> FilePath
stringEncodeArch Arch
  , OS -> FilePath
stringEncodeOS OS
  , FilePath
  -- NB: This functionality is reimplemented in Cabal, so if you
  -- change it, be sure to update Cabal.
  -- TODO make Cabal use this now that it is in ghc-boot.