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Skip building some core build tools

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This commit is contained in:
Michael Snoyman 2012-12-05 10:55:59 +02:00
parent 22200f8a14
commit 7ef87bbd32
1 changed files with 5 additions and 0 deletions
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5
Stackage/Build.hs
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@ -135,6 +135,7 @@ iiBuildTools InstallInfo { iiPackageDB = PackageDB m, iiPackages = packages } =
-- FIXME possible improvement: track the dependencies between the build -- FIXME possible improvement: track the dependencies between the build
-- tools themselves, and install them in the correct order. -- tools themselves, and install them in the correct order.
map unPackageName map unPackageName
$ filter (flip Set.notMember coreTools)
$ filter (flip Map.member m) $ filter (flip Map.member m)
$ Set.toList $ Set.toList
$ Set.unions $ Set.unions
@ -145,3 +146,7 @@ iiBuildTools InstallInfo { iiPackageDB = PackageDB m, iiPackages = packages } =
unPackageName (PackageName pn) = pn unPackageName (PackageName pn) = pn
isSelected name _ = name `Set.member` selected isSelected name _ = name `Set.member` selected
selected = Set.fromList $ Map.keys packages selected = Set.fromList $ Map.keys packages
-- Build tools shipped with GHC which we should not attempt to build
-- ourselves.
coreTools = Set.fromList $ map PackageName $ words "hsc2hs"