diff options
Diffstat (limited to 'compiler/main/PackageConfig.hs')
| -rw-r--r-- | compiler/main/PackageConfig.hs | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/compiler/main/PackageConfig.hs b/compiler/main/PackageConfig.hs index 520b533380..864980be9d 100644 --- a/compiler/main/PackageConfig.hs +++ b/compiler/main/PackageConfig.hs @@ -26,7 +26,8 @@ module PackageConfig ( import Distribution.InstalledPackageInfo import Distribution.ModuleName -import Distribution.Package +import Distribution.Package hiding (PackageKey, mkPackageKey) +import qualified Distribution.Package as Cabal import Distribution.Text import Distribution.Version @@ -43,23 +44,23 @@ defaultPackageConfig :: PackageConfig defaultPackageConfig = emptyInstalledPackageInfo -- ----------------------------------------------------------------------------- --- PackageKey (package names with versions) +-- PackageKey (package names, versions and dep hash) -- $package_naming -- #package_naming# --- Mostly the compiler deals in terms of 'PackageKey's, which have the --- form @<pkg>-<version>@. You're expected to pass in the version for --- the @-package-name@ flag. However, for wired-in packages like @base@ --- & @rts@, we don't necessarily know what the version is, so these are --- handled specially; see #wired_in_packages#. +-- Mostly the compiler deals in terms of 'PackageKey's, which are md5 hashes +-- of a package ID, keys of its dependencies, and Cabal flags. You're expected +-- to pass in the package key in the @-this-package-key@ flag. However, for +-- wired-in packages like @base@ & @rts@, we don't necessarily know what the +-- version is, so these are handled specially; see #wired_in_packages#. -- | Turn a Cabal 'PackageIdentifier' into a GHC 'PackageKey' -mkPackageKey :: PackageIdentifier -> PackageKey +mkPackageKey :: Cabal.PackageKey -> PackageKey mkPackageKey = stringToPackageKey . display -- | Get the GHC 'PackageKey' right out of a Cabalish 'PackageConfig' packageConfigId :: PackageConfig -> PackageKey -packageConfigId = mkPackageKey . sourcePackageId +packageConfigId = mkPackageKey . packageKey -- | Turn a 'PackageConfig', which contains GHC 'Module.ModuleName's into a Cabal specific -- 'InstalledPackageInfo' which contains Cabal 'Distribution.ModuleName.ModuleName's |