Cabal-1.2.1: A framework for packaging Haskell software Contents Index

Distribution.Simple.Compiler Portability portable Stability alpha Maintainer Isaac Jones <ijones@syntaxpolice.org>

Contents Haskell implementations Support for package databases Support for language extensions

Description

Haskell implementations.

Synopsis

module Distribution.Compiler data Compiler = Compiler { compilerFlavor :: CompilerFlavor compilerId :: PackageIdentifier compilerExtensions :: [(Extension, Flag)] } showCompilerId :: Compiler -> String compilerVersion :: Compiler -> Version data PackageDB = GlobalPackageDB | UserPackageDB | SpecificPackageDB FilePath type Flag = String extensionsToFlags :: Compiler -> [Extension] -> [Flag] unsupportedExtensions :: Compiler -> [Extension] -> [Extension]

Haskell implementations

module Distribution.Compiler

data Compiler

Constructors Compiler compilerFlavor :: CompilerFlavor compilerId :: PackageIdentifier compilerExtensions :: [(Extension, Flag)] Instances Read Compiler Show Compiler

showCompilerId :: Compiler -> String

compilerVersion :: Compiler -> Version

Support for package databases

data PackageDB

Some compilers have a notion of a database of available packages. For some there is just one global db of packages, other compilers support a per-user or an arbitrary db specified at some location in the file system. This can be used to build isloated environments of packages, for example to build a collection of related packages without installing them globally. Constructors GlobalPackageDB UserPackageDB SpecificPackageDB FilePath Instances Read PackageDB Show PackageDB

Support for language extensions

type Flag = String

extensionsToFlags :: Compiler -> [Extension] -> [Flag]

For the given compiler, return the flags for the supported extensions.

unsupportedExtensions :: Compiler -> [Extension] -> [Extension]

For the given compiler, return the flags for the supported extensions.

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