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-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Make
-- Copyright : Martin Sjögren 2004
--
-- Maintainer : cabal-devel@haskell.org
-- Portability : portable
--
-- This is an alternative build system that delegates everything to the @make@
-- program. All the commands just end up calling @make@ with appropriate
-- arguments. The intention was to allow preexisting packages that used
-- makefiles to be wrapped into Cabal packages. In practice essentially all
-- such packages were converted over to the \"Simple\" build system instead.
-- Consequently this module is not used much and it certainly only sees cursory
-- maintenance and no testing. Perhaps at some point we should stop pretending
-- that it works.
--
-- Uses the parsed command-line from "Distribution.Simple.Setup" in order to build
-- Haskell tools using a backend build system based on make. Obviously we
-- assume that there is a configure script, and that after the ConfigCmd has
-- been run, there is a Makefile. Further assumptions:
--
-- [ConfigCmd] We assume the configure script accepts
-- @--with-hc@,
-- @--with-hc-pkg@,
-- @--prefix@,
-- @--bindir@,
-- @--libdir@,
-- @--libexecdir@,
-- @--datadir@.
--
-- [BuildCmd] We assume that the default Makefile target will build everything.
--
-- [InstallCmd] We assume there is an @install@ target. Note that we assume that
-- this does *not* register the package!
--
-- [CopyCmd] We assume there is a @copy@ target, and a variable @$(destdir)@.
-- The @copy@ target should probably just invoke @make install@
-- recursively (e.g. @$(MAKE) install prefix=$(destdir)\/$(prefix)
-- bindir=$(destdir)\/$(bindir)@. The reason we can\'t invoke @make
-- install@ directly here is that we don\'t know the value of @$(prefix)@.
--
-- [SDistCmd] We assume there is a @dist@ target.
--
-- [RegisterCmd] We assume there is a @register@ target and a variable @$(user)@.
--
-- [UnregisterCmd] We assume there is an @unregister@ target.
--
-- [HaddockCmd] We assume there is a @docs@ or @doc@ target.
-- copy :
-- $(MAKE) install prefix=$(destdir)/$(prefix) \
-- bindir=$(destdir)/$(bindir) \
{- All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of Isaac Jones nor the names of other
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -}
module Distribution.Make (
module Distribution.Package,
License(..), Version(..),
defaultMain, defaultMainArgs, defaultMainNoRead
) where
-- local
import Distribution.Compat.Exception
import Distribution.Package --must not specify imports, since we're exporting moule.
import Distribution.Simple.Program(defaultProgramConfiguration)
import Distribution.PackageDescription
import Distribution.Simple.Setup
import Distribution.Simple.Command
import Distribution.Simple.Utils (rawSystemExit, cabalVersion)
import Distribution.License (License(..))
import Distribution.Version
( Version(..) )
import Distribution.Text
( display )
import System.Environment (getArgs, getProgName)
import Data.List (intercalate)
import System.Exit
defaultMain :: IO ()
defaultMain = getArgs >>= defaultMainArgs
defaultMainArgs :: [String] -> IO ()
defaultMainArgs = defaultMainHelper
{-# DEPRECATED defaultMainNoRead "it ignores its PackageDescription arg" #-}
defaultMainNoRead :: PackageDescription -> IO ()
defaultMainNoRead = const defaultMain
defaultMainHelper :: [String] -> IO ()
defaultMainHelper args =
case commandsRun globalCommand commands args of
CommandHelp help -> printHelp help
CommandList opts -> printOptionsList opts
CommandErrors errs -> printErrors errs
CommandReadyToGo (flags, commandParse) ->
case commandParse of
_ | fromFlag (globalVersion flags) -> printVersion
| fromFlag (globalNumericVersion flags) -> printNumericVersion
CommandHelp help -> printHelp help
CommandList opts -> printOptionsList opts
CommandErrors errs -> printErrors errs
CommandReadyToGo action -> action
where
printHelp help = getProgName >>= putStr . help
printOptionsList = putStr . unlines
printErrors errs = do
putStr (intercalate "\n" errs)
exitWith (ExitFailure 1)
printNumericVersion = putStrLn $ display cabalVersion
printVersion = putStrLn $ "Cabal library version "
++ display cabalVersion
progs = defaultProgramConfiguration
commands =
[configureCommand progs `commandAddAction` configureAction
,buildCommand progs `commandAddAction` buildAction
,installCommand `commandAddAction` installAction
,copyCommand `commandAddAction` copyAction
,haddockCommand `commandAddAction` haddockAction
,cleanCommand `commandAddAction` cleanAction
,sdistCommand `commandAddAction` sdistAction
,registerCommand `commandAddAction` registerAction
,unregisterCommand `commandAddAction` unregisterAction
]
configureAction :: ConfigFlags -> [String] -> IO ()
configureAction flags args = do
noExtraFlags args
let verbosity = fromFlag (configVerbosity flags)
rawSystemExit verbosity "sh" $
"configure"
: configureArgs backwardsCompatHack flags
where backwardsCompatHack = True
copyAction :: CopyFlags -> [String] -> IO ()
copyAction flags args = do
noExtraFlags args
let destArgs = case fromFlag $ copyDest flags of
NoCopyDest -> ["install"]
CopyTo path -> ["copy", "destdir=" ++ path]
rawSystemExit (fromFlag $ copyVerbosity flags) "make" destArgs
installAction :: InstallFlags -> [String] -> IO ()
installAction flags args = do
noExtraFlags args
rawSystemExit (fromFlag $ installVerbosity flags) "make" ["install"]
rawSystemExit (fromFlag $ installVerbosity flags) "make" ["register"]
haddockAction :: HaddockFlags -> [String] -> IO ()
haddockAction flags args = do
noExtraFlags args
rawSystemExit (fromFlag $ haddockVerbosity flags) "make" ["docs"]
`catchIO` \_ ->
rawSystemExit (fromFlag $ haddockVerbosity flags) "make" ["doc"]
buildAction :: BuildFlags -> [String] -> IO ()
buildAction flags args = do
noExtraFlags args
rawSystemExit (fromFlag $ buildVerbosity flags) "make" []
cleanAction :: CleanFlags -> [String] -> IO ()
cleanAction flags args = do
noExtraFlags args
rawSystemExit (fromFlag $ cleanVerbosity flags) "make" ["clean"]
sdistAction :: SDistFlags -> [String] -> IO ()
sdistAction flags args = do
noExtraFlags args
rawSystemExit (fromFlag $ sDistVerbosity flags) "make" ["dist"]
registerAction :: RegisterFlags -> [String] -> IO ()
registerAction flags args = do
noExtraFlags args
rawSystemExit (fromFlag $ regVerbosity flags) "make" ["register"]
unregisterAction :: RegisterFlags -> [String] -> IO ()
unregisterAction flags args = do
noExtraFlags args
rawSystemExit (fromFlag $ regVerbosity flags) "make" ["unregister"]
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