| BangPatterns | Language.Haskell.Extension, Distribution.Simple | 
| Bazaar | Distribution.PackageDescription | 
| bench | Distribution.Simple.Bench | 
| benchHook | Distribution.Simple.UserHooks, Distribution.Simple | 
| Benchmark |  | 
| 1 (Type/Class) | Distribution.PackageDescription | 
| 2 (Data Constructor) | Distribution.PackageDescription | 
| benchmarkBuildInfo | Distribution.PackageDescription | 
| benchmarkCommand | Distribution.Simple.Setup | 
| benchmarkConfigs | Distribution.Simple.LocalBuildInfo | 
| benchmarkDistPref | Distribution.Simple.Setup | 
| benchmarkEnabled | Distribution.PackageDescription | 
| BenchmarkExeV10 | Distribution.PackageDescription | 
| BenchmarkFlags |  | 
| 1 (Type/Class) | Distribution.Simple.Setup | 
| 2 (Data Constructor) | Distribution.Simple.Setup | 
| BenchmarkInterface | Distribution.PackageDescription | 
| benchmarkInterface | Distribution.PackageDescription | 
| benchmarkModules | Distribution.PackageDescription | 
| benchmarkName | Distribution.PackageDescription | 
| BenchmarkNameVar | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| benchmarkOptions | Distribution.Simple.Setup | 
| benchmarks | Distribution.PackageDescription | 
| BenchmarkType | Distribution.PackageDescription | 
| benchmarkType | Distribution.PackageDescription | 
| BenchmarkTypeExe | Distribution.PackageDescription | 
| BenchmarkTypeUnknown | Distribution.PackageDescription | 
| BenchmarkUnsupported | Distribution.PackageDescription | 
| benchmarkVerbosity | Distribution.Simple.Setup | 
| between | Distribution.Compat.ReadP | 
| betweenVersionsInclusive | Distribution.Version, Distribution.Simple | 
| bindir | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| BindirVar | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| binfoFieldDescrs | Distribution.PackageDescription.Parse | 
| boolField | Distribution.ParseUtils | 
| BoolOpt | Distribution.Simple.Command | 
| boolOpt |  | 
| 1 (Function) | Distribution.Simple.Command | 
| 2 (Function) | Distribution.Simple.Setup | 
| boolOpt' |  | 
| 1 (Function) | Distribution.Simple.Command | 
| 2 (Function) | Distribution.Simple.Setup | 
| Bound | Distribution.Version, Distribution.Simple | 
| brokenPackages | Distribution.Simple.PackageIndex | 
| BSD3 | Distribution.License, Distribution.Make, Distribution.Simple | 
| BSD4 | Distribution.License, Distribution.Make, Distribution.Simple | 
| bugReports | Distribution.PackageDescription | 
| build | Distribution.Simple.Build | 
| buildable | Distribution.PackageDescription | 
| buildArch | Distribution.System | 
| buildCommand | Distribution.Simple.Setup | 
| buildCompilerFlavor | Distribution.Compiler, Distribution.Simple.Compiler, Distribution.Simple | 
| buildDepends | Distribution.PackageDescription | 
| buildDir | Distribution.Simple.LocalBuildInfo | 
| buildDistPref | Distribution.Simple.Setup | 
| buildExe |  | 
| 1 (Function) | Distribution.Simple.JHC | 
| 2 (Function) | Distribution.Simple.NHC | 
| 3 (Function) | Distribution.Simple.UHC | 
| 4 (Function) | Distribution.Simple.GHC | 
| 5 (Function) | Distribution.Simple.LHC | 
| 6 (Function) | Distribution.Simple.Hugs | 
| BuildFlags |  | 
| 1 (Type/Class) | Distribution.Simple.Setup | 
| 2 (Data Constructor) | Distribution.Simple.Setup | 
| buildHook | Distribution.Simple.UserHooks, Distribution.Simple | 
| BuildInfo |  | 
| 1 (Type/Class) | Distribution.PackageDescription | 
| 2 (Data Constructor) | Distribution.PackageDescription | 
| buildInfo | Distribution.PackageDescription | 
| buildLib |  | 
| 1 (Function) | Distribution.Simple.JHC | 
| 2 (Function) | Distribution.Simple.NHC | 
| 3 (Function) | Distribution.Simple.UHC | 
| 4 (Function) | Distribution.Simple.GHC | 
| 5 (Function) | Distribution.Simple.LHC | 
| 6 (Function) | Distribution.Simple.Hugs | 
| buildOS | Distribution.System | 
| buildPlatform | Distribution.System | 
| buildProgramArgs | Distribution.Simple.Setup | 
| buildProgramPaths | Distribution.Simple.Setup | 
| buildTools | Distribution.PackageDescription | 
| BuildType | Distribution.PackageDescription | 
| buildType | Distribution.PackageDescription | 
| buildVerbose | Distribution.Simple.Setup | 
| buildVerbosity | Distribution.Simple.Setup | 
| builtinPrograms | Distribution.Simple.Program.Builtin, Distribution.Simple.Program |