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Builtin.hs
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Builtin.hs
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-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Simple.Program.Builtin
-- Copyright : Isaac Jones 2006, Duncan Coutts 2007-2009
--
-- Maintainer : cabal-devel@haskell.org
-- Portability : portable
--
-- The module defines all the known built-in 'Program's.
--
-- Where possible we try to find their version numbers.
--
module Distribution.Simple.Program.Builtin (
-- * The collection of unconfigured and configured progams
builtinPrograms,
-- * Programs that Cabal knows about
ghcProgram,
ghcPkgProgram,
lhcProgram,
lhcPkgProgram,
nhcProgram,
hmakeProgram,
jhcProgram,
hugsProgram,
ffihugsProgram,
haskellSuiteProgram,
haskellSuitePkgProgram,
uhcProgram,
gccProgram,
arProgram,
stripProgram,
happyProgram,
alexProgram,
hsc2hsProgram,
c2hsProgram,
cpphsProgram,
hscolourProgram,
haddockProgram,
greencardProgram,
ldProgram,
tarProgram,
cppProgram,
pkgConfigProgram,
hpcProgram,
) where
import Distribution.Simple.Program.Types
( Program(..), simpleProgram )
import Distribution.Simple.Program.Find
( findProgramOnSearchPath )
import Distribution.Simple.Utils
( findProgramVersion )
-- ------------------------------------------------------------
-- * Known programs
-- ------------------------------------------------------------
-- | The default list of programs.
-- These programs are typically used internally to Cabal.
builtinPrograms :: [Program]
builtinPrograms =
[
-- compilers and related progs
ghcProgram
, ghcPkgProgram
, hugsProgram
, ffihugsProgram
, haskellSuiteProgram
, haskellSuitePkgProgram
, nhcProgram
, hmakeProgram
, jhcProgram
, lhcProgram
, lhcPkgProgram
, uhcProgram
, hpcProgram
-- preprocessors
, hscolourProgram
, haddockProgram
, happyProgram
, alexProgram
, hsc2hsProgram
, c2hsProgram
, cpphsProgram
, greencardProgram
-- platform toolchain
, gccProgram
, arProgram
, stripProgram
, ldProgram
, tarProgram
-- configuration tools
, pkgConfigProgram
]
ghcProgram :: Program
ghcProgram = (simpleProgram "ghc") {
programFindVersion = findProgramVersion "--numeric-version" id
}
ghcPkgProgram :: Program
ghcPkgProgram = (simpleProgram "ghc-pkg") {
programFindVersion = findProgramVersion "--version" $ \str ->
-- Invoking "ghc-pkg --version" gives a string like
-- "GHC package manager version 6.4.1"
case words str of
(_:_:_:_:ver:_) -> ver
_ -> ""
}
lhcProgram :: Program
lhcProgram = (simpleProgram "lhc") {
programFindVersion = findProgramVersion "--numeric-version" id
}
lhcPkgProgram :: Program
lhcPkgProgram = (simpleProgram "lhc-pkg") {
programFindVersion = findProgramVersion "--version" $ \str ->
-- Invoking "lhc-pkg --version" gives a string like
-- "LHC package manager version 0.7"
case words str of
(_:_:_:_:ver:_) -> ver
_ -> ""
}
nhcProgram :: Program
nhcProgram = (simpleProgram "nhc98") {
programFindVersion = findProgramVersion "--version" $ \str ->
-- Invoking "nhc98 --version" gives a string like
-- "/usr/local/bin/nhc98: v1.20 (2007-11-22)"
case words str of
(_:('v':ver):_) -> ver
_ -> ""
}
hmakeProgram :: Program
hmakeProgram = (simpleProgram "hmake") {
programFindVersion = findProgramVersion "--version" $ \str ->
-- Invoking "hmake --version" gives a string line
-- "/usr/local/bin/hmake: 3.13 (2006-11-01)"
case words str of
(_:ver:_) -> ver
_ -> ""
}
jhcProgram :: Program
jhcProgram = (simpleProgram "jhc") {
programFindVersion = findProgramVersion "--version" $ \str ->
-- invoking "jhc --version" gives a string like
-- "jhc 0.3.20080208 (wubgipkamcep-2)
-- compiled by ghc-6.8 on a x86_64 running linux"
case words str of
(_:ver:_) -> ver
_ -> ""
}
uhcProgram :: Program
uhcProgram = (simpleProgram "uhc") {
programFindVersion = findProgramVersion "--version-dotted" id
}
hpcProgram :: Program
hpcProgram = (simpleProgram "hpc")
{
programFindVersion = findProgramVersion "version" $ \str ->
case words str of
(_ : _ : _ : ver : _) -> ver
_ -> ""
}
-- AArgh! Finding the version of hugs or ffihugs is almost impossible.
hugsProgram :: Program
hugsProgram = simpleProgram "hugs"
ffihugsProgram :: Program
ffihugsProgram = simpleProgram "ffihugs"
-- This represents a haskell-suite compiler. Of course, the compiler
-- itself probably is not called "haskell-suite", so this is not a real
-- program. (But we don't know statically the name of the actual compiler,
-- so this is the best we can do.)
--
-- Having this Program value serves two purposes:
--
-- 1. We can accept options for the compiler in the form of
--
-- --haskell-suite-option(s)=...
--
-- 2. We can find a program later using this static id (with
-- requireProgram).
--
-- The path to the real compiler is found and recorded in the ProgramDb
-- during the configure phase.
haskellSuiteProgram :: Program
haskellSuiteProgram = (simpleProgram "haskell-suite") {
-- pretend that the program exists, otherwise it won't be in the
-- "configured" state
programFindLocation =
\_verbosity _searchPath -> return $ Just "haskell-suite-dummy-location"
}
-- This represent a haskell-suite package manager. See the comments for
-- haskellSuiteProgram.
haskellSuitePkgProgram :: Program
haskellSuitePkgProgram = (simpleProgram "haskell-suite-pkg") {
programFindLocation =
\_verbosity _searchPath -> return $ Just "haskell-suite-pkg-dummy-location"
}
happyProgram :: Program
happyProgram = (simpleProgram "happy") {
programFindVersion = findProgramVersion "--version" $ \str ->
-- Invoking "happy --version" gives a string like
-- "Happy Version 1.16 Copyright (c) ...."
case words str of
(_:_:ver:_) -> ver
_ -> ""
}
alexProgram :: Program
alexProgram = (simpleProgram "alex") {
programFindVersion = findProgramVersion "--version" $ \str ->
-- Invoking "alex --version" gives a string like
-- "Alex version 2.1.0, (c) 2003 Chris Dornan and Simon Marlow"
case words str of
(_:_:ver:_) -> takeWhile (`elem` ('.':['0'..'9'])) ver
_ -> ""
}
gccProgram :: Program
gccProgram = (simpleProgram "gcc") {
programFindVersion = findProgramVersion "-dumpversion" id
}
arProgram :: Program
arProgram = simpleProgram "ar"
stripProgram :: Program
stripProgram = simpleProgram "strip"
hsc2hsProgram :: Program
hsc2hsProgram = (simpleProgram "hsc2hs") {
programFindVersion =
findProgramVersion "--version" $ \str ->
-- Invoking "hsc2hs --version" gives a string like "hsc2hs version 0.66"
case words str of
(_:_:ver:_) -> ver
_ -> ""
}
c2hsProgram :: Program
c2hsProgram = (simpleProgram "c2hs") {
programFindVersion = findProgramVersion "--numeric-version" id
}
cpphsProgram :: Program
cpphsProgram = (simpleProgram "cpphs") {
programFindVersion = findProgramVersion "--version" $ \str ->
-- Invoking "cpphs --version" gives a string like "cpphs 1.3"
case words str of
(_:ver:_) -> ver
_ -> ""
}
hscolourProgram :: Program
hscolourProgram = (simpleProgram "hscolour") {
programFindLocation = \v p -> findProgramOnSearchPath v p "HsColour",
programFindVersion = findProgramVersion "-version" $ \str ->
-- Invoking "HsColour -version" gives a string like "HsColour 1.7"
case words str of
(_:ver:_) -> ver
_ -> ""
}
haddockProgram :: Program
haddockProgram = (simpleProgram "haddock") {
programFindVersion = findProgramVersion "--version" $ \str ->
-- Invoking "haddock --version" gives a string like
-- "Haddock version 0.8, (c) Simon Marlow 2006"
case words str of
(_:_:ver:_) -> takeWhile (`elem` ('.':['0'..'9'])) ver
_ -> ""
}
greencardProgram :: Program
greencardProgram = simpleProgram "greencard"
ldProgram :: Program
ldProgram = simpleProgram "ld"
tarProgram :: Program
tarProgram = simpleProgram "tar"
cppProgram :: Program
cppProgram = simpleProgram "cpp"
pkgConfigProgram :: Program
pkgConfigProgram = (simpleProgram "pkg-config") {
programFindVersion = findProgramVersion "--version" id
}