Ensure unique list of build tools
commite479c6473c0dfd181b2bc980ab9c4447789bb066
authorMichael Snoyman <michael@snoyman.com>
dateTue 29 Jan 2013, 16:25 (14 years ago)
parenta2f2434
Stackage/Select.hs+2
@@ -49,6 +49,8 @@ iiBuildTools InstallInfo { iiPackageDB = PackageDB m, iiPackages = packages } =
4949 $ topSort
5050 $ map addDependencies
5151 $ filter (flip Set.notMember coreTools . fst)
52+ $ Set.toList
53+ $ Set.fromList
5254 $ mapMaybe (flip Map.lookup buildToolMap)
5355 $ Set.toList
5456 $ Set.unions