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-rw-r--r--compiler/main/DynFlags.hs5
-rw-r--r--compiler/main/Packages.hs9
-rw-r--r--compiler/main/Packages.hs-boot1
3 files changed, 13 insertions, 2 deletions
diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index 446381e207..094984be2e 100644
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -157,7 +157,7 @@ import Module
import PackageConfig
import {-# SOURCE #-} Hooks
import {-# SOURCE #-} PrelNames ( mAIN )
-import {-# SOURCE #-} Packages (PackageState)
+import {-# SOURCE #-} Packages (PackageState, emptyPackageState)
import DriverPhases ( Phase(..), phaseInputExt )
import Config
import CmdLineParser
@@ -1480,7 +1480,8 @@ defaultDynFlags mySettings =
packageFlags = [],
packageEnv = Nothing,
pkgDatabase = Nothing,
- pkgState = panic "no package state yet: call GHC.setSessionDynFlags",
+ -- This gets filled in with GHC.setSessionDynFlags
+ pkgState = emptyPackageState,
ways = defaultWays mySettings,
buildTag = mkBuildTag (defaultWays mySettings),
rtsBuildTag = mkBuildTag (defaultWays mySettings),
diff --git a/compiler/main/Packages.hs b/compiler/main/Packages.hs
index 985a11a36c..16ee352243 100644
--- a/compiler/main/Packages.hs
+++ b/compiler/main/Packages.hs
@@ -8,6 +8,7 @@ module Packages (
-- * Reading the package config, and processing cmdline args
PackageState(preloadPackages),
+ emptyPackageState,
initPackages,
readPackageConfigs,
getPackageConfRefs,
@@ -287,6 +288,14 @@ data PackageState = PackageState {
installedPackageIdMap :: InstalledPackageIdMap
}
+emptyPackageState :: PackageState
+emptyPackageState = PackageState {
+ pkgIdMap = emptyUFM,
+ preloadPackages = [],
+ moduleNameDb = Map.empty,
+ installedPackageIdMap = Map.empty
+ }
+
type InstalledPackageIdMap = Map InstalledPackageId PackageKey
type InstalledPackageIndex = Map InstalledPackageId PackageConfig
diff --git a/compiler/main/Packages.hs-boot b/compiler/main/Packages.hs-boot
index f2343b66c9..bac04bc20a 100644
--- a/compiler/main/Packages.hs-boot
+++ b/compiler/main/Packages.hs-boot
@@ -4,3 +4,4 @@ import {-# SOURCE #-} Module (PackageKey)
import {-# SOURCE #-} DynFlags (DynFlags)
data PackageState
packageKeyPackageIdString :: DynFlags -> PackageKey -> Maybe String
+emptyPackageState :: PackageState