-----------------------------------------------------------------------------
--- $Id: DriverState.hs,v 1.77 2002/04/22 16:06:36 simonpj Exp $
+-- $Id: DriverState.hs,v 1.97 2003/09/23 14:33:00 simonmar Exp $
--
-- Settings for the driver
--
#include "../includes/config.h"
#include "HsVersions.h"
-import SysTools ( getTopDir )
import ParsePkgConf ( loadPackageConfig )
-import Packages ( PackageConfig(..), mungePackagePaths )
+import SysTools ( getTopDir )
+import Packages
import CmdLineOpts
import DriverPhases
import DriverUtil
+import UniqFM ( eltsUFM )
import Util
import Config
-import Exception
-import IOExts
import Panic
+import DATA_IOREF ( IORef, readIORef, writeIORef )
+import EXCEPTION
+
import List
import Char
import Monad
-import Maybe ( fromJust, isJust )
-import Directory ( doesDirectoryExist )
+import Maybe ( fromJust, isJust )
+import Directory ( doesDirectoryExist )
-----------------------------------------------------------------------------
-- non-configured things
| DoMake -- ghc --make
| DoInteractive -- ghc --interactive
| DoLink -- [ the default ]
+ | DoEval String -- ghc -e
deriving (Eq,Show)
GLOBAL_VAR(v_GhcMode, DoLink, GhcMode)
setMode m flag = do
old_mode <- readIORef v_GhcMode
old_flag <- readIORef v_GhcModeFlag
- when (notNull (old_flag)) $
+ when (notNull old_flag && flag /= old_flag) $
throwDyn (UsageError
("cannot use `" ++ old_flag ++ "' with `" ++ flag ++ "'"))
writeIORef v_GhcMode m
-- Misc
GLOBAL_VAR(v_Scale_sizes_by, 1.0, Double)
GLOBAL_VAR(v_Static, True, Bool)
+GLOBAL_VAR(v_NoLink, False, Bool)
GLOBAL_VAR(v_NoHsMain, False, Bool)
+GLOBAL_VAR(v_MainModIs, Nothing, Maybe String)
+GLOBAL_VAR(v_MainFunIs, Nothing, Maybe String)
GLOBAL_VAR(v_Recomp, True, Bool)
GLOBAL_VAR(v_Collect_ghc_timing, False, Bool)
GLOBAL_VAR(v_Do_asm_mangling, True, Bool)
show dir ++ " does not exist (used with " ++
show flg ++ " option.)"))
-GLOBAL_VAR(v_Object_suf, Nothing, Maybe String)
+GLOBAL_VAR(v_Object_suf, phaseInputExt Ln, String)
GLOBAL_VAR(v_HC_suf, Nothing, Maybe String)
GLOBAL_VAR(v_Hi_dir, Nothing, Maybe String)
GLOBAL_VAR(v_Hi_suf, "hi", String)
odir_opt <- readIORef v_Output_dir
case odir_opt of
Nothing -> return f
- Just d -> return (newdir d f)
+ Just d -> return (replaceFilenameDirectory f d)
osuf_ify :: String -> IO String
osuf_ify f = do
- osuf_opt <- readIORef v_Object_suf
- case osuf_opt of
- Nothing -> return f
- Just s -> return (newsuf s f)
+ osuf <- readIORef v_Object_suf
+ return (replaceFilenameSuffix f osuf)
------------------------------------------------------------------------------
--- Compiler optimisation options
-
-GLOBAL_VAR(v_OptLevel, 0, Int)
-
-setOptLevel :: Int -> IO ()
-setOptLevel n = do
- when (n >= 1) $ setLang HscC -- turn on -fvia-C with -O
- writeIORef v_OptLevel n
-
-GLOBAL_VAR(v_minus_o2_for_C, False, Bool)
-GLOBAL_VAR(v_MaxSimplifierIterations, 4, Int)
GLOBAL_VAR(v_StgStats, False, Bool)
-GLOBAL_VAR(v_UsageSPInf, False, Bool) -- Off by default
-GLOBAL_VAR(v_Strictness, True, Bool)
-GLOBAL_VAR(v_CSE, True, Bool)
-GLOBAL_VAR(v_RuleCheck, Nothing, Maybe String)
-
--- these are the static flags you get without -O.
-hsc_minusNoO_flags =
- [
- "-fignore-interface-pragmas",
- "-fomit-interface-pragmas",
- "-fdo-lambda-eta-expansion", -- This one is important for a tiresome reason:
- -- we want to make sure that the bindings for data
- -- constructors are eta-expanded. This is probably
- -- a good thing anyway, but it seems fragile.
- "-flet-no-escape"
- ]
-
--- these are the static flags you get when -O is on.
-hsc_minusO_flags =
- [
- "-fignore-asserts",
- "-ffoldr-build-on",
- "-fdo-eta-reduction",
- "-fdo-lambda-eta-expansion",
- "-fcase-merge",
- "-flet-to-case",
- "-flet-no-escape"
- ]
-
-hsc_minusO2_flags = hsc_minusO_flags -- for now
-
-getStaticOptimisationFlags 0 = hsc_minusNoO_flags
-getStaticOptimisationFlags 1 = hsc_minusO_flags
-getStaticOptimisationFlags n = hsc_minusO2_flags
-
-buildCoreToDo :: IO [CoreToDo]
-buildCoreToDo = do
- opt_level <- readIORef v_OptLevel
- max_iter <- readIORef v_MaxSimplifierIterations
- usageSP <- readIORef v_UsageSPInf
- strictness <- readIORef v_Strictness
- cse <- readIORef v_CSE
- rule_check <- readIORef v_RuleCheck
-
- if opt_level == 0 then return
- [
- CoreDoSimplify (SimplPhase 0) [
- MaxSimplifierIterations max_iter
- ]
- ]
-
- else {- opt_level >= 1 -} return [
-
- -- initial simplify: mk specialiser happy: minimum effort please
- CoreDoSimplify SimplGently [
- -- Simplify "gently"
- -- Don't inline anything till full laziness has bitten
- -- In particular, inlining wrappers inhibits floating
- -- e.g. ...(case f x of ...)...
- -- ==> ...(case (case x of I# x# -> fw x#) of ...)...
- -- ==> ...(case x of I# x# -> case fw x# of ...)...
- -- and now the redex (f x) isn't floatable any more
- -- Similarly, don't apply any rules until after full
- -- laziness. Notably, list fusion can prevent floating.
-
- NoCaseOfCase,
- -- Don't do case-of-case transformations.
- -- This makes full laziness work better
- MaxSimplifierIterations max_iter
- ],
-
- -- Specialisation is best done before full laziness
- -- so that overloaded functions have all their dictionary lambdas manifest
- CoreDoSpecialising,
-
- CoreDoFloatOutwards (FloatOutSw False False),
- CoreDoFloatInwards,
-
- CoreDoSimplify (SimplPhase 2) [
- -- Want to run with inline phase 2 after the specialiser to give
- -- maximum chance for fusion to work before we inline build/augment
- -- in phase 1. This made a difference in 'ansi' where an
- -- overloaded function wasn't inlined till too late.
- MaxSimplifierIterations max_iter
- ],
- case rule_check of { Just pat -> CoreDoRuleCheck 2 pat; Nothing -> CoreDoNothing },
-
- -- infer usage information here in case we need it later.
- -- (add more of these where you need them --KSW 1999-04)
- if usageSP then CoreDoUSPInf else CoreDoNothing,
-
- CoreDoSimplify (SimplPhase 1) [
- -- Need inline-phase2 here so that build/augment get
- -- inlined. I found that spectral/hartel/genfft lost some useful
- -- strictness in the function sumcode' if augment is not inlined
- -- before strictness analysis runs
- MaxSimplifierIterations max_iter
- ],
- case rule_check of { Just pat -> CoreDoRuleCheck 1 pat; Nothing -> CoreDoNothing },
-
- CoreDoSimplify (SimplPhase 0) [
- -- Phase 0: allow all Ids to be inlined now
- -- This gets foldr inlined before strictness analysis
-
- MaxSimplifierIterations 3
- -- At least 3 iterations because otherwise we land up with
- -- huge dead expressions because of an infelicity in the
- -- simpifier.
- -- let k = BIG in foldr k z xs
- -- ==> let k = BIG in letrec go = \xs -> ...(k x).... in go xs
- -- ==> let k = BIG in letrec go = \xs -> ...(BIG x).... in go xs
- -- Don't stop now!
-
- ],
- case rule_check of { Just pat -> CoreDoRuleCheck 0 pat; Nothing -> CoreDoNothing },
-
-#ifdef OLD_STRICTNESS
- CoreDoOldStrictness
-#endif
- if strictness then CoreDoStrictness else CoreDoNothing,
- CoreDoWorkerWrapper,
- CoreDoGlomBinds,
-
- CoreDoSimplify (SimplPhase 0) [
- MaxSimplifierIterations max_iter
- ],
-
- CoreDoFloatOutwards (FloatOutSw False -- Not lambdas
- True), -- Float constants
- -- nofib/spectral/hartel/wang doubles in speed if you
- -- do full laziness late in the day. It only happens
- -- after fusion and other stuff, so the early pass doesn't
- -- catch it. For the record, the redex is
- -- f_el22 (f_el21 r_midblock)
-
-
- -- We want CSE to follow the final full-laziness pass, because it may
- -- succeed in commoning up things floated out by full laziness.
- -- CSE used to rely on the no-shadowing invariant, but it doesn't any more
-
- if cse then CoreCSE else CoreDoNothing,
-
- CoreDoFloatInwards,
-
--- Case-liberation for -O2. This should be after
--- strictness analysis and the simplification which follows it.
-
- case rule_check of { Just pat -> CoreDoRuleCheck 0 pat; Nothing -> CoreDoNothing },
-
- if opt_level >= 2 then
- CoreLiberateCase
- else
- CoreDoNothing,
- if opt_level >= 2 then
- CoreDoSpecConstr
- else
- CoreDoNothing,
-
- -- Final clean-up simplification:
- CoreDoSimplify (SimplPhase 0) [
- MaxSimplifierIterations max_iter
- ]
- ]
buildStgToDo :: IO [ StgToDo ]
buildStgToDo = do
GLOBAL_VAR(v_Include_paths, ["."], [String])
GLOBAL_VAR(v_Library_paths, [], [String])
-GLOBAL_VAR(v_Cmdline_libraries, [], [String])
+#ifdef darwin_TARGET_OS
+GLOBAL_VAR(v_Framework_paths, [], [String])
+GLOBAL_VAR(v_Cmdline_frameworks, [], [String])
+#endif
addToDirList :: IORef [String] -> String -> IO ()
addToDirList ref path
splitUp xs = return (split split_marker xs)
#endif
-GLOBAL_VAR(v_HCHeader, "", String)
-
------------------------------------------------------------------------------
--- Packages
-
--- package list is maintained in dependency order
-GLOBAL_VAR(v_Packages, ("haskell98":"base":"rts":[]), [String])
+-- ----------------------------------------------------------------------------
+-- Loading the package config file
readPackageConf :: String -> IO ()
readPackageConf conf_file = do
- proto_pkg_details <- loadPackageConfig conf_file
- top_dir <- getTopDir
- let pkg_details = mungePackagePaths top_dir proto_pkg_details
- old_pkg_details <- readIORef v_Package_details
+ proto_pkg_configs <- loadPackageConfig conf_file
+ top_dir <- getTopDir
+ let pkg_configs = mungePackagePaths top_dir proto_pkg_configs
+ extendPackageConfigMap pkg_configs
- let -- new package override old ones
- new_pkg_names = map name pkg_details
- filtered_old_pkg_details =
- filter (\p -> name p `notElem` new_pkg_names) old_pkg_details
+mungePackagePaths :: String -> [PackageConfig] -> [PackageConfig]
+-- Replace the string "$libdir" at the beginning of a path
+-- with the current libdir (obtained from the -B option).
+mungePackagePaths top_dir ps = map munge_pkg ps
+ where
+ munge_pkg p = p{ import_dirs = munge_paths (import_dirs p),
+ include_dirs = munge_paths (include_dirs p),
+ library_dirs = munge_paths (library_dirs p),
+ framework_dirs = munge_paths (framework_dirs p) }
- writeIORef v_Package_details (pkg_details ++ filtered_old_pkg_details)
+ munge_paths = map munge_path
+ munge_path p
+ | Just p' <- maybePrefixMatch "$libdir" p = top_dir ++ p'
+ | otherwise = p
+
+
+-- -----------------------------------------------------------------------------
+-- The list of packages requested on the command line
+
+-- The package list reflects what packages were given as command-line options,
+-- plus their dependent packages. It is maintained in dependency order;
+-- earlier packages may depend on later ones, but not vice versa
+GLOBAL_VAR(v_ExplicitPackages, initPackageList, [PackageName])
+
+initPackageList = [basePackage, rtsPackage]
+ -- basePackage is part of this list entirely because of
+ -- wired-in names in GHCi. See the notes on wired-in names in
+ -- Linker.linkExpr. By putting the base backage in initPackageList
+ -- we make sure that it'll always by linked.
+
+
+-- add a package requested from the command-line
addPackage :: String -> IO ()
-addPackage package
- = do pkg_details <- readIORef v_Package_details
- case lookupPkg package pkg_details of
- Nothing -> throwDyn (CmdLineError ("unknown package name: " ++ package))
- Just details -> do
- ps <- readIORef v_Packages
- unless (package `elem` ps) $ do
- mapM_ addPackage (package_deps details)
- ps <- readIORef v_Packages
- writeIORef v_Packages (package:ps)
-
-getPackageImportPath :: IO [String]
+addPackage package = do
+ pkg_details <- getPackageConfigMap
+ ps <- readIORef v_ExplicitPackages
+ ps' <- add_package pkg_details ps (mkPackageName package)
+ -- Throws an exception if it fails
+ writeIORef v_ExplicitPackages ps'
+
+-- internal helper
+add_package :: PackageConfigMap -> [PackageName]
+ -> PackageName -> IO [PackageName]
+add_package pkg_details ps p
+ | p `elem` ps -- Check if we've already added this package
+ = return ps
+ | Just details <- lookupPkg pkg_details p
+ -- Add the package's dependents also
+ = do ps' <- foldM (add_package pkg_details) ps (packageDependents details)
+ return (p : ps')
+ | otherwise
+ = throwDyn (CmdLineError ("unknown package name: " ++ packageNameString p))
+
+
+-- -----------------------------------------------------------------------------
+-- Extracting information from the packages in scope
+
+-- Many of these functions take a list of packages: in those cases,
+-- the list is expected to contain the "dependent packages",
+-- i.e. those packages that were found to be depended on by the
+-- current module/program. These can be auto or non-auto packages, it
+-- doesn't really matter. The list is always combined with the list
+-- of explicit (command-line) packages to determine which packages to
+-- use.
+
+getPackageImportPath :: IO [String]
getPackageImportPath = do
- ps <- getPackageInfo
+ ps <- getExplicitAndAutoPackageConfigs
+ -- import dirs are always derived from the 'auto'
+ -- packages as well as the explicit ones
return (nub (filter notNull (concatMap import_dirs ps)))
-getPackageIncludePath :: IO [String]
-getPackageIncludePath = do
- ps <- getPackageInfo
+getPackageIncludePath :: [PackageName] -> IO [String]
+getPackageIncludePath pkgs = do
+ ps <- getExplicitPackagesAnd pkgs
return (nub (filter notNull (concatMap include_dirs ps)))
-- includes are in reverse dependency order (i.e. rts first)
-getPackageCIncludes :: IO [String]
-getPackageCIncludes = do
- ps <- getPackageInfo
- return (reverse (nub (filter notNull (concatMap c_includes ps))))
-
-getPackageLibraryPath :: IO [String]
-getPackageLibraryPath = do
- ps <- getPackageInfo
+getPackageCIncludes :: [PackageConfig] -> IO [String]
+getPackageCIncludes pkg_configs = do
+ return (reverse (nub (filter notNull (concatMap c_includes pkg_configs))))
+
+getPackageLibraryPath :: [PackageName] -> IO [String]
+getPackageLibraryPath pkgs = do
+ ps <- getExplicitPackagesAnd pkgs
return (nub (filter notNull (concatMap library_dirs ps)))
-getPackageLibraries :: IO [String]
-getPackageLibraries = do
- ps <- getPackageInfo
+getPackageLinkOpts :: [PackageName] -> IO [String]
+getPackageLinkOpts pkgs = do
+ ps <- getExplicitPackagesAnd pkgs
tag <- readIORef v_Build_tag
- let suffix = if null tag then "" else '_':tag
- return (concat (
- map (\p -> map (++suffix) (hACK (hs_libraries p)) ++ extra_libraries p) ps
- ))
+ static <- readIORef v_Static
+ let
+ imp = if static then "" else "_imp"
+ suffix = if null tag then "" else '_':tag
+ libs p = map (++suffix) (hACK (hs_libraries p)) ++ extra_libraries p
+ imp_libs p = map (++imp) (libs p)
+ all_opts p = map ("-l" ++) (imp_libs p) ++ extra_ld_opts p
+
+ return (concat (map all_opts ps))
where
-- This is a totally horrible (temporary) hack, for Win32. Problem is
-- that package.conf for Win32 says that the main prelude lib is
- -- split into HSbase1 and HSbase2, which is needed due to limitations in
- -- the PEi386 file format, to make GHCi work. However, we still only
- -- have HSbase.a for static linking, not HSbase1.a and HSbase2.a.
+ -- split into HSbase1, HSbase2 and HSbase3, which is needed due to a bug
+ -- in the GNU linker (PEi386 backend). However, we still only
+ -- have HSbase.a for static linking, not HSbase{1,2,3}.a
-- getPackageLibraries is called to find the .a's to add to the static
- -- link line. On Win32, this hACK detects HSbase1 and HSbase2 and
+ -- link line. On Win32, this hACK detects HSbase{1,2,3} and
-- replaces them with HSbase, so static linking still works.
-- Libraries needed for dynamic (GHCi) linking are discovered via
-- different route (in InteractiveUI.linkPackage).
-- JRS 04 Sept 01: Same appalling hack for HSwin32[1,2]
-- KAA 29 Mar 02: Same appalling hack for HSobjectio[1,2,3,4]
hACK libs
-# ifndef mingw32_TARGET_OS
+# if !defined(mingw32_TARGET_OS) && !defined(cygwin32_TARGET_OS)
= libs
# else
- = if "HSbase1" `elem` libs && "HSbase2" `elem` libs
+ = if "HSbase1" `elem` libs && "HSbase2" `elem` libs && "HSbase3" `elem` libs
then "HSbase" : filter (not.(isPrefixOf "HSbase")) libs
else
if "HSwin321" `elem` libs && "HSwin322" `elem` libs
getPackageExtraGhcOpts :: IO [String]
getPackageExtraGhcOpts = do
- ps <- getPackageInfo
+ ps <- getExplicitAndAutoPackageConfigs
return (concatMap extra_ghc_opts ps)
-getPackageExtraCcOpts :: IO [String]
-getPackageExtraCcOpts = do
- ps <- getPackageInfo
+getPackageExtraCcOpts :: [PackageName] -> IO [String]
+getPackageExtraCcOpts pkgs = do
+ ps <- getExplicitPackagesAnd pkgs
return (concatMap extra_cc_opts ps)
-getPackageExtraLdOpts :: IO [String]
-getPackageExtraLdOpts = do
- ps <- getPackageInfo
- return (concatMap extra_ld_opts ps)
+#ifdef darwin_TARGET_OS
+getPackageFrameworkPath :: [PackageName] -> IO [String]
+getPackageFrameworkPath pkgs = do
+ ps <- getExplicitPackagesAnd pkgs
+ return (nub (filter notNull (concatMap framework_dirs ps)))
-getPackageInfo :: IO [PackageConfig]
-getPackageInfo = do
- ps <- readIORef v_Packages
- getPackageDetails ps
+getPackageFrameworks :: [PackageName] -> IO [String]
+getPackageFrameworks pkgs = do
+ ps <- getExplicitPackagesAnd pkgs
+ return (concatMap extra_frameworks ps)
+#endif
-getPackageDetails :: [String] -> IO [PackageConfig]
-getPackageDetails ps = do
- pkg_details <- readIORef v_Package_details
- return [ pkg | p <- ps, Just pkg <- [ lookupPkg p pkg_details ] ]
+-- -----------------------------------------------------------------------------
+-- Package Utils
-GLOBAL_VAR(v_Package_details, [], [PackageConfig])
+getExplicitPackagesAnd :: [PackageName] -> IO [PackageConfig]
+getExplicitPackagesAnd pkg_names = do
+ pkg_map <- getPackageConfigMap
+ expl <- readIORef v_ExplicitPackages
+ all_pkgs <- foldM (add_package pkg_map) expl pkg_names
+ getPackageDetails all_pkgs
-lookupPkg :: String -> [PackageConfig] -> Maybe PackageConfig
-lookupPkg nm ps
- = case [p | p <- ps, name p == nm] of
- [] -> Nothing
- (p:_) -> Just p
+-- return all packages, including both the auto packages and the explicit ones
+getExplicitAndAutoPackageConfigs :: IO [PackageConfig]
+getExplicitAndAutoPackageConfigs = do
+ pkg_map <- getPackageConfigMap
+ let auto_packages = [ mkPackageName (name p) | p <- eltsUFM pkg_map, auto p ]
+ getExplicitPackagesAnd auto_packages
-----------------------------------------------------------------------------
-- Ways
(WaySMP, Way "s" "SMP"
[ "-fsmp"
, "-optc-pthread"
+#ifndef freebsd_TARGET_OS
, "-optl-pthread"
+#endif
, "-optc-DSMP"
, "-fvia-C" ]),
projects / ghc-hetmet.git / blobdiff