| Language | Language.Haskell.Extension, Distribution.Simple |
| languageToFlags | Distribution.Simple.Compiler, Distribution.Simple |
| LaterVersion | Distribution.Version, Distribution.Simple |
| laterVersion | Distribution.Version, Distribution.Simple |
| ldOptions | |
| 1 (Function) | Distribution.InstalledPackageInfo |
| 2 (Function) | Distribution.PackageDescription |
| ldProgram | Distribution.Simple.Program.Builtin, Distribution.Simple.Program |
| lessVerbose | Distribution.Verbosity |
| LFlags | Distribution.Simple.Command |
| LGPL | Distribution.License, Distribution.Make, Distribution.Simple |
| LHC | Distribution.Compiler, Distribution.Simple.Compiler, Distribution.Simple |
| lhcPkgProgram | Distribution.Simple.Program.Builtin, Distribution.Simple.Program |
| lhcProgram | Distribution.Simple.Program.Builtin, Distribution.Simple.Program |
| libAbiHash | Distribution.Simple.GHC |
| libBuildInfo | Distribution.PackageDescription |
| libdir | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo |
| LibdirVar | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo |
| LiberalTypeSynonyms | Language.Haskell.Extension, Distribution.Simple |
| libexecdir | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo |
| libExposed | Distribution.PackageDescription |
| libFieldDescrs | Distribution.PackageDescription.Parse |
| libModules | Distribution.PackageDescription |
| Library | |
| 1 (Type/Class) | Distribution.PackageDescription |
| 2 (Data Constructor) | Distribution.PackageDescription |
| library | Distribution.PackageDescription |
| libraryConfig | Distribution.Simple.LocalBuildInfo |
| libraryDirs | Distribution.InstalledPackageInfo |
| libsubdir | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo |
| LibsubdirVar | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo |
| License | Distribution.License, Distribution.Make, Distribution.Simple |
| license | |
| 1 (Function) | Distribution.InstalledPackageInfo |
| 2 (Function) | Distribution.PackageDescription |
| licenseFile | Distribution.PackageDescription |
| liftOption | Distribution.Simple.Command |
| LineNo | Distribution.PackageDescription.Parse |
| Linux | Distribution.System |
| Lit | Distribution.PackageDescription |
| LocalBuildInfo | |
| 1 (Type/Class) | Distribution.Simple.LocalBuildInfo |
| 2 (Data Constructor) | Distribution.Simple.LocalBuildInfo |
| localBuildInfoFile | Distribution.Simple.Configure |
| localPkgDescr | Distribution.Simple.LocalBuildInfo |
| locationPath | Distribution.Simple.Program.Types, Distribution.Simple.Program |
| logFile | Distribution.Simple.Test |
| look | Distribution.Compat.ReadP |
| lookupDependency | Distribution.Simple.PackageIndex |
| lookupInstalledPackageId | Distribution.Simple.PackageIndex |
| lookupKnownProgram | Distribution.Simple.Program.Db, Distribution.Simple.Program |
| lookupOption | Distribution.TestSuite |
| lookupPackageName | Distribution.Simple.PackageIndex |
| lookupProgram | Distribution.Simple.Program.Db, Distribution.Simple.Program |
| lookupSourcePackageId | Distribution.Simple.PackageIndex |
| LowerBound | |
| 1 (Type/Class) | Distribution.Version, Distribution.Simple |
| 2 (Data Constructor) | Distribution.Version, Distribution.Simple |
| lowercase | Distribution.Simple.Utils |