X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FDriverPipeline.hs;h=c6a2ee292a0f2d57a464410e58b4fd1992f048fb;hb=876a71215ce555d1830aacc51076595a835ad699;hp=c0f5e7b7842f2a86361eb1fc26e0657c1eb8c015;hpb=501281032723cfb1e6e324921c6c3e47b03730ab;p=ghc-hetmet.git
diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index c0f5e7b..c6a2ee2 100644
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -1,3 +1,10 @@
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
-----------------------------------------------------------------------------
--
-- GHC Driver
@@ -12,16 +19,13 @@ module DriverPipeline (
oneShot, compileFile,
-- Interfaces for the batch-mode driver
- staticLink,
+ linkBinary,
-- Interfaces for the compilation manager (interpreted/batch-mode)
preprocess,
- compile, CompResult(..),
+ compile,
link,
- -- DLL building
- doMkDLL,
-
) where
#include "HsVersions.h"
@@ -29,8 +33,7 @@ module DriverPipeline (
import Packages
import HeaderInfo
import DriverPhases
-import SysTools ( newTempName, addFilesToClean, copy )
-import qualified SysTools
+import SysTools
import HscMain
import Finder
import HscTypes
@@ -39,7 +42,7 @@ import Module
import UniqFM ( eltsUFM )
import ErrUtils
import DynFlags
-import StaticFlags ( v_Ld_inputs, opt_Static, WayName(..) )
+import StaticFlags ( v_Ld_inputs, opt_Static, opt_HardwireLibPaths, WayName(..) )
import Config
import Panic
import Util
@@ -50,17 +53,17 @@ import ParserCoreUtils ( getCoreModuleName )
import SrcLoc ( unLoc )
import SrcLoc ( Located(..) )
-import EXCEPTION
-import DATA_IOREF ( readIORef, writeIORef, IORef )
-import GLAEXTS ( Int(..) )
-
-import Directory
-import System
-import IO
-import Monad
+import Control.Exception as Exception
+import Data.IORef ( readIORef, writeIORef, IORef )
+import GHC.Exts ( Int(..) )
+import System.Directory
+import System.IO
+import SYSTEM_IO_ERROR as IO
+import Control.Monad
import Data.List ( isSuffixOf )
-import Maybe
-
+import Data.Maybe
+import System.Exit
+import System.Environment
-- ---------------------------------------------------------------------------
-- Pre-process
@@ -74,7 +77,8 @@ import Maybe
preprocess :: DynFlags -> (FilePath, Maybe Phase) -> IO (DynFlags, FilePath)
preprocess dflags (filename, mb_phase) =
ASSERT2(isJust mb_phase || isHaskellSrcFilename filename, text filename)
- runPipeline anyHsc dflags (filename, mb_phase) Temporary Nothing{-no ModLocation-}
+ runPipeline anyHsc dflags (filename, mb_phase)
+ Nothing Temporary Nothing{-no ModLocation-}
-- ---------------------------------------------------------------------------
-- Compile
@@ -89,36 +93,25 @@ preprocess dflags (filename, mb_phase) =
-- NB. No old interface can also mean that the source has changed.
compile :: HscEnv
- -> ModSummary
- -> Maybe Linkable -- Just linkable <=> source unchanged
- -> Maybe ModIface -- Old interface, if available
- -> Int -> Int
- -> IO CompResult
-
-data CompResult
- = CompOK ModDetails -- New details
- ModIface -- New iface
- (Maybe Linkable) -- a Maybe, for the same reasons as hm_linkable
-
- | CompErrs
-
-
-compile hsc_env mod_summary maybe_old_linkable old_iface mod_index nmods = do
-
- let dflags0 = ms_hspp_opts mod_summary
- this_mod = ms_mod mod_summary
- src_flavour = ms_hsc_src mod_summary
+ -> ModSummary -- summary for module being compiled
+ -> Int -> Int -- module N of M
+ -> Maybe ModIface -- old interface, if we have one
+ -> Maybe Linkable -- old linkable, if we have one
+ -> IO (Maybe HomeModInfo) -- the complete HomeModInfo, if successful
+
+compile hsc_env summary mod_index nmods mb_old_iface maybe_old_linkable
+ = do
+ let dflags0 = ms_hspp_opts summary
+ this_mod = ms_mod summary
+ src_flavour = ms_hsc_src summary
have_object
| Just l <- maybe_old_linkable, isObjectLinkable l = True
| otherwise = False
- -- FIXME: We need to know whether or not we're recompiling the file. Move this to HscMain?
- --showPass dflags0 ("Compiling " ++ showModMsg have_object mod_summary)
-
- let location = ms_location mod_summary
+ let location = ms_location summary
let input_fn = expectJust "compile:hs" (ml_hs_file location)
- let input_fnpp = ms_hspp_file mod_summary
+ let input_fnpp = ms_hspp_file summary
debugTraceMsg dflags0 2 (text "compile: input file" <+> text input_fnpp)
@@ -154,36 +147,43 @@ compile hsc_env mod_summary maybe_old_linkable old_iface mod_index nmods = do
= do stub_o <- compileStub dflags' this_mod location
return [ DotO stub_o ]
- handleBatch (HscNoRecomp, iface, details)
+ handleBatch HscNoRecomp
= ASSERT (isJust maybe_old_linkable)
- return (CompOK details iface maybe_old_linkable)
- handleBatch (HscRecomp hasStub, iface, details)
+ return maybe_old_linkable
+
+ handleBatch (HscRecomp hasStub)
| isHsBoot src_flavour
- = return (CompOK details iface Nothing)
+ = do when (isObjectTarget hsc_lang) $ -- interpreted reaches here too
+ SysTools.touch dflags' "Touching object file"
+ object_filename
+ return maybe_old_linkable
+
| otherwise
= do stub_unlinked <- getStubLinkable hasStub
(hs_unlinked, unlinked_time) <-
case hsc_lang of
HscNothing
- -> return ([], ms_hs_date mod_summary)
+ -> return ([], ms_hs_date summary)
-- We're in --make mode: finish the compilation pipeline.
_other
- -> do runPipeline StopLn dflags (output_fn,Nothing) Persistent
+ -> do runPipeline StopLn dflags (output_fn,Nothing)
+ (Just basename)
+ Persistent
(Just location)
-- The object filename comes from the ModLocation
o_time <- getModificationTime object_filename
return ([DotO object_filename], o_time)
let linkable = LM unlinked_time this_mod
(hs_unlinked ++ stub_unlinked)
- return (CompOK details iface (Just linkable))
+ return (Just linkable)
- handleInterpreted (InteractiveNoRecomp, iface, details)
+ handleInterpreted InteractiveNoRecomp
= ASSERT (isJust maybe_old_linkable)
- return (CompOK details iface maybe_old_linkable)
- handleInterpreted (InteractiveRecomp hasStub comp_bc, iface, details)
+ return maybe_old_linkable
+ handleInterpreted (InteractiveRecomp hasStub comp_bc modBreaks)
= do stub_unlinked <- getStubLinkable hasStub
- let hs_unlinked = [BCOs comp_bc]
- unlinked_time = ms_hs_date mod_summary
+ let hs_unlinked = [BCOs comp_bc modBreaks]
+ unlinked_time = ms_hs_date summary
-- Why do we use the timestamp of the source file here,
-- rather than the current time? This works better in
-- the case where the local clock is out of sync
@@ -192,24 +192,31 @@ compile hsc_env mod_summary maybe_old_linkable old_iface mod_index nmods = do
-- be out of date.
let linkable = LM unlinked_time this_mod
(hs_unlinked ++ stub_unlinked)
- return (CompOK details iface (Just linkable))
+ return (Just linkable)
- let runCompiler compiler handle
- = do mbResult <- compiler hsc_env' mod_summary
- source_unchanged old_iface
+ let -- runCompiler :: Compiler result -> (result -> Maybe Linkable)
+ -- -> IO (Maybe HomeModInfo)
+ runCompiler compiler handle
+ = do mbResult <- compiler hsc_env' summary source_unchanged mb_old_iface
(Just (mod_index, nmods))
case mbResult of
- Nothing -> return CompErrs
- Just result -> handle result
+ Nothing -> return Nothing
+ Just (result, iface, details) -> do
+ linkable <- handle result
+ return (Just HomeModInfo{ hm_details = details,
+ hm_iface = iface,
+ hm_linkable = linkable })
-- run the compiler
case hsc_lang of
- HscInterpreted | not (isHsBoot src_flavour) -- We can't compile boot files to
- -- bytecode so don't even try.
- -> runCompiler hscCompileInteractive handleInterpreted
- HscNothing
- -> runCompiler hscCompileNothing handleBatch
- _other
- -> runCompiler hscCompileBatch handleBatch
+ HscInterpreted
+ | isHsBoot src_flavour ->
+ runCompiler hscCompileNothing handleBatch
+ | otherwise ->
+ runCompiler hscCompileInteractive handleInterpreted
+ HscNothing ->
+ runCompiler hscCompileNothing handleBatch
+ _other ->
+ runCompiler hscCompileBatch handleBatch
-----------------------------------------------------------------------------
-- stub .h and .c files (for foreign export support)
@@ -236,8 +243,8 @@ compileStub dflags mod location = do
stub_o = o_base ++ "_stub" `joinFileExt` o_ext
-- compile the _stub.c file w/ gcc
- let (stub_c,_) = mkStubPaths dflags (moduleName mod) location
- runPipeline StopLn dflags (stub_c,Nothing)
+ let (stub_c,_,_) = mkStubPaths dflags (moduleName mod) location
+ runPipeline StopLn dflags (stub_c,Nothing) Nothing
(SpecificFile stub_o) Nothing{-no ModLocation-}
return stub_o
@@ -246,10 +253,10 @@ compileStub dflags mod location = do
-- ---------------------------------------------------------------------------
-- Link
-link :: GhcMode -- interactive or batch
- -> DynFlags -- dynamic flags
- -> Bool -- attempt linking in batch mode?
- -> HomePackageTable -- what to link
+link :: GhcLink -- interactive or batch
+ -> DynFlags -- dynamic flags
+ -> Bool -- attempt linking in batch mode?
+ -> HomePackageTable -- what to link
-> IO SuccessFlag
-- For the moment, in the batch linker, we don't bother to tell doLink
@@ -260,72 +267,74 @@ link :: GhcMode -- interactive or batch
-- will succeed.
#ifdef GHCI
-link Interactive dflags batch_attempt_linking hpt
+link LinkInMemory dflags batch_attempt_linking hpt
= do -- Not Linking...(demand linker will do the job)
- return Succeeded
+ return Succeeded
#endif
-link JustTypecheck dflags batch_attempt_linking hpt
+link NoLink dflags batch_attempt_linking hpt
= return Succeeded
-link BatchCompile dflags batch_attempt_linking hpt
+link LinkBinary dflags batch_attempt_linking hpt
| batch_attempt_linking
- = do
- let
- home_mod_infos = eltsUFM hpt
+ = do
+ let
+ home_mod_infos = eltsUFM hpt
- -- the packages we depend on
- pkg_deps = concatMap (dep_pkgs . mi_deps . hm_iface) home_mod_infos
+ -- the packages we depend on
+ pkg_deps = concatMap (dep_pkgs . mi_deps . hm_iface) home_mod_infos
- -- the linkables to link
- linkables = map (expectJust "link".hm_linkable) home_mod_infos
+ -- the linkables to link
+ linkables = map (expectJust "link".hm_linkable) home_mod_infos
debugTraceMsg dflags 3 (text "link: linkables are ..." $$ vcat (map ppr linkables))
- -- check for the -no-link flag
- if isNoLink (ghcLink dflags)
- then do debugTraceMsg dflags 3 (text "link(batch): linking omitted (-c flag given).")
- return Succeeded
- else do
-
- let getOfiles (LM _ _ us) = map nameOfObject (filter isObject us)
- obj_files = concatMap getOfiles linkables
-
- exe_file = exeFileName dflags
-
- -- if the modification time on the executable is later than the
- -- modification times on all of the objects, then omit linking
- -- (unless the -no-recomp flag was given).
- e_exe_time <- IO.try $ getModificationTime exe_file
- let linking_needed
- | Left _ <- e_exe_time = True
- | Right t <- e_exe_time =
- any (t <) (map linkableTime linkables)
-
- if not (dopt Opt_ForceRecomp dflags) && not linking_needed
- then do debugTraceMsg dflags 2 (text exe_file <+> ptext SLIT("is up to date, linking not required."))
- return Succeeded
- else do
-
- debugTraceMsg dflags 1 (ptext SLIT("Linking") <+> text exe_file
- <+> text "...")
-
- -- Don't showPass in Batch mode; doLink will do that for us.
- let link = case ghcLink dflags of
- MkDLL -> doMkDLL
- StaticLink -> staticLink
- link dflags obj_files pkg_deps
+ -- check for the -no-link flag
+ if isNoLink (ghcLink dflags)
+ then do debugTraceMsg dflags 3 (text "link(batch): linking omitted (-c flag given).")
+ return Succeeded
+ else do
+
+ let getOfiles (LM _ _ us) = map nameOfObject (filter isObject us)
+ obj_files = concatMap getOfiles linkables
+
+ exe_file = exeFileName dflags
+
+ -- if the modification time on the executable is later than the
+ -- modification times on all of the objects, then omit linking
+ -- (unless the -no-recomp flag was given).
+ e_exe_time <- IO.try $ getModificationTime exe_file
+ extra_ld_inputs <- readIORef v_Ld_inputs
+ extra_times <- mapM (IO.try . getModificationTime) extra_ld_inputs
+ let other_times = map linkableTime linkables
+ ++ [ t' | Right t' <- extra_times ]
+ linking_needed
+ | Left _ <- e_exe_time = True
+ | Right t <- e_exe_time = any (t <) other_times
+
+ if not (dopt Opt_ForceRecomp dflags) && not linking_needed
+ then do debugTraceMsg dflags 2 (text exe_file <+> ptext SLIT("is up to date, linking not required."))
+ return Succeeded
+ else do
+
+ debugTraceMsg dflags 1 (ptext SLIT("Linking") <+> text exe_file
+ <+> text "...")
+
+ -- Don't showPass in Batch mode; doLink will do that for us.
+ let link = case ghcLink dflags of
+ LinkBinary -> linkBinary
+ LinkDynLib -> linkDynLib
+ link dflags obj_files pkg_deps
debugTraceMsg dflags 3 (text "link: done")
- -- staticLink only returns if it succeeds
+ -- linkBinary only returns if it succeeds
return Succeeded
| otherwise
= do debugTraceMsg dflags 3 (text "link(batch): upsweep (partially) failed OR" $$
text " Main.main not exported; not linking.")
return Succeeded
-
-- -----------------------------------------------------------------------------
-- Compile files in one-shot mode.
@@ -360,7 +369,8 @@ compileFile dflags stop_phase (src, mb_phase) = do
other -> stop_phase
(_, out_file) <- runPipeline stop_phase' dflags
- (src, mb_phase) output Nothing{-no ModLocation-}
+ (src, mb_phase) Nothing output
+ Nothing{-no ModLocation-}
return out_file
@@ -372,8 +382,8 @@ doLink dflags stop_phase o_files
| otherwise
= case ghcLink dflags of
NoLink -> return ()
- StaticLink -> staticLink dflags o_files link_pkgs
- MkDLL -> doMkDLL dflags o_files link_pkgs
+ LinkBinary -> linkBinary dflags o_files link_pkgs
+ LinkDynLib -> linkDynLib dflags o_files []
where
-- Always link in the haskell98 package for static linking. Other
-- packages have to be specified via the -package flag.
@@ -406,18 +416,23 @@ runPipeline
:: Phase -- When to stop
-> DynFlags -- Dynamic flags
-> (FilePath,Maybe Phase) -- Input filename (and maybe -x suffix)
+ -> Maybe FilePath -- original basename (if different from ^^^)
-> PipelineOutput -- Output filename
-> Maybe ModLocation -- A ModLocation, if this is a Haskell module
-> IO (DynFlags, FilePath) -- (final flags, output filename)
-runPipeline stop_phase dflags (input_fn, mb_phase) output maybe_loc
+runPipeline stop_phase dflags0 (input_fn, mb_phase) mb_basename output maybe_loc
= do
- let (basename, suffix) = splitFilename input_fn
+ let
+ (input_basename, suffix) = splitFilename input_fn
+ basename | Just b <- mb_basename = b
+ | otherwise = input_basename
+
+ -- Decide where dump files should go based on the pipeline output
+ dflags = dflags0 { dumpPrefix = Just (basename ++ ".") }
-- If we were given a -x flag, then use that phase to start from
- start_phase
- | Just x_phase <- mb_phase = x_phase
- | otherwise = startPhase suffix
+ start_phase = fromMaybe (startPhase suffix) mb_phase
-- We want to catch cases of "you can't get there from here" before
-- we start the pipeline, because otherwise it will just run off the
@@ -443,17 +458,19 @@ runPipeline stop_phase dflags (input_fn, mb_phase) output maybe_loc
-- Sometimes, a compilation phase doesn't actually generate any output
-- (eg. the CPP phase when -fcpp is not turned on). If we end on this
-- stage, but we wanted to keep the output, then we have to explicitly
- -- copy the file.
+ -- copy the file, remembering to prepend a {-# LINE #-} pragma so that
+ -- further compilation stages can tell what the original filename was.
case output of
Temporary ->
return (dflags', output_fn)
_other ->
do final_fn <- get_output_fn dflags' stop_phase maybe_loc
- when (final_fn /= output_fn) $
- copy dflags ("Copying `" ++ output_fn ++ "' to `" ++ final_fn
- ++ "'") output_fn final_fn
+ when (final_fn /= output_fn) $ do
+ let msg = ("Copying `" ++ output_fn ++"' to `" ++ final_fn ++ "'")
+ line_prag = Just ("{-# LINE 1 \"" ++ input_fn ++ "\" #-}\n")
+ copyWithHeader dflags msg line_prag output_fn final_fn
return (dflags', final_fn)
-
+
pipeLoop :: DynFlags -> Phase -> Phase
@@ -627,7 +644,7 @@ runPhase (Hsc src_flavour) stop dflags0 basename suff input_fn get_output_fn _ma
= do -- normal Hsc mode, not mkdependHS
-- we add the current directory (i.e. the directory in which
- -- the .hs files resides) to the import path, since this is
+ -- the .hs files resides) to the include path, since this is
-- what gcc does, and it's probably what you want.
let current_dir = directoryOf basename
@@ -635,15 +652,15 @@ runPhase (Hsc src_flavour) stop dflags0 basename suff input_fn get_output_fn _ma
dflags = dflags0 { includePaths = current_dir : paths }
-- gather the imports and module name
- (hspp_buf,mod_name) <-
+ (hspp_buf,mod_name,imps,src_imps) <-
case src_flavour of
ExtCoreFile -> do { -- no explicit imports in ExtCore input.
; m <- getCoreModuleName input_fn
- ; return (Nothing, mkModuleName m) }
+ ; return (Nothing, mkModuleName m, [], []) }
other -> do { buf <- hGetStringBuffer input_fn
- ; (_,_,L _ mod_name) <- getImports dflags buf input_fn
- ; return (Just buf, mod_name) }
+ ; (src_imps,imps,L _ mod_name) <- getImports dflags buf input_fn (basename `joinFileExt` suff)
+ ; return (Just buf, mod_name, imps, src_imps) }
-- Build a ModLocation to pass to hscMain.
-- The source filename is rather irrelevant by now, but it's used
@@ -730,8 +747,8 @@ runPhase (Hsc src_flavour) stop dflags0 basename suff input_fn get_output_fn _ma
ms_location = location4,
ms_hs_date = src_timestamp,
ms_obj_date = Nothing,
- ms_imps = unused_field,
- ms_srcimps = unused_field }
+ ms_imps = imps,
+ ms_srcimps = src_imps }
-- run the compiler!
mbResult <- hscCompileOneShot hsc_env
@@ -789,7 +806,7 @@ runPhase Cmm stop dflags basename suff input_fn get_output_fn maybe_loc
-- way too many hacks, and I can't say I've ever used it anyway.
runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc
- | cc_phase `eqPhase` Cc || cc_phase `eqPhase` HCc
+ | cc_phase `eqPhase` Cc || cc_phase `eqPhase` Ccpp || cc_phase `eqPhase` HCc
= do let cc_opts = getOpts dflags opt_c
hcc = cc_phase `eqPhase` HCc
@@ -806,6 +823,7 @@ runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc
(cmdline_include_paths ++ pkg_include_dirs)
let (md_c_flags, md_regd_c_flags) = machdepCCOpts dflags
+ gcc_extra_viac_flags <- getExtraViaCOpts dflags
let pic_c_flags = picCCOpts dflags
let verb = getVerbFlag dflags
@@ -851,7 +869,8 @@ runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc
-- compiling .hc files, by adding the -x c option.
-- Also useful for plain .c files, just in case GHC saw a
-- -x c option.
- [ SysTools.Option "-x", SysTools.Option "c"] ++
+ [ SysTools.Option "-x", if cc_phase `eqPhase` Ccpp
+ then SysTools.Option "c++" else SysTools.Option "c"] ++
[ SysTools.FileOption "" input_fn
, SysTools.Option "-o"
, SysTools.FileOption "" output_fn
@@ -871,6 +890,13 @@ runPhase cc_phase stop dflags basename suff input_fn get_output_fn maybe_loc
++ (if hcc && mangle
then md_regd_c_flags
else [])
+ ++ (if hcc
+ then if mangle
+ then gcc_extra_viac_flags
+ else filter (=="-fwrapv")
+ gcc_extra_viac_flags
+ -- still want -fwrapv even for unreg'd
+ else [])
++ (if hcc
then more_hcc_opts
else [])
@@ -1039,7 +1065,7 @@ runPhase SplitAs stop dflags basename _suff _input_fn get_output_fn maybe_loc
-- wrapper script calling the binary. Currently, we need this only in
-- a parallel way (i.e. in GUM), because PVM expects the binary in a
-- central directory.
--- This is called from staticLink below, after linking. I haven't made it
+-- This is called from linkBinary below, after linking. I haven't made it
-- a separate phase to minimise interfering with other modules, and
-- we don't need the generality of a phase (MoveBinary is always
-- done after linking and makes only sense in a parallel setup) -- HWL
@@ -1053,9 +1079,9 @@ runPhase_MoveBinary dflags input_fn
pvm_executable_base = "=" ++ input_fn
pvm_executable = pvm_root ++ "/bin/" ++ pvm_arch ++ "/" ++ pvm_executable_base
-- nuke old binary; maybe use configur'ed names for cp and rm?
- system ("rm -f " ++ pvm_executable)
+ Panic.try (removeFile pvm_executable)
-- move the newly created binary into PVM land
- system ("cp -p " ++ input_fn ++ " " ++ pvm_executable)
+ copy dflags "copying PVM executable" input_fn pvm_executable
-- generate a wrapper script for running a parallel prg under PVM
writeFile input_fn (mk_pvm_wrapper_script pvm_executable pvm_executable_base sysMan)
return True
@@ -1093,18 +1119,18 @@ mk_pvm_wrapper_script pvm_executable pvm_executable_base sysMan = unlines $
"",
"args: while ($a = shift(@ARGV)) {",
" if ( $a eq '+RTS' ) {",
- " $in_RTS_args = 1;",
+ " $in_RTS_args = 1;",
" } elsif ( $a eq '-RTS' ) {",
- " $in_RTS_args = 0;",
+ " $in_RTS_args = 0;",
" }",
" if ( $a eq '-d' && $in_RTS_args ) {",
- " $debug = '-';",
+ " $debug = '-';",
" } elsif ( $a =~ /^-qN(\\d+)/ && $in_RTS_args ) {",
- " $nprocessors = $1;",
+ " $nprocessors = $1;",
" } elsif ( $a =~ /^-qp(\\d+)/ && $in_RTS_args ) {",
- " $nprocessors = $1;",
+ " $nprocessors = $1;",
" } else {",
- " push(@nonPVM_args, $a);",
+ " push(@nonPVM_args, $a);",
" }",
"}",
"",
@@ -1132,7 +1158,7 @@ checkProcessArgsResult flags filename
getHCFilePackages :: FilePath -> IO [PackageId]
getHCFilePackages filename =
- EXCEPTION.bracket (openFile filename ReadMode) hClose $ \h -> do
+ Exception.bracket (openFile filename ReadMode) hClose $ \h -> do
l <- hGetLine h
case l of
'/':'*':' ':'G':'H':'C':'_':'P':'A':'C':'K':'A':'G':'E':'S':rest ->
@@ -1153,8 +1179,8 @@ getHCFilePackages filename =
-- read any interface files), so the user must explicitly specify all
-- the packages.
-staticLink :: DynFlags -> [FilePath] -> [PackageId] -> IO ()
-staticLink dflags o_files dep_packages = do
+linkBinary :: DynFlags -> [FilePath] -> [PackageId] -> IO ()
+linkBinary dflags o_files dep_packages = do
let verb = getVerbFlag dflags
output_fn = exeFileName dflags
@@ -1163,7 +1189,9 @@ staticLink dflags o_files dep_packages = do
-- dependencies, and eliminating duplicates.
pkg_lib_paths <- getPackageLibraryPath dflags dep_packages
- let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths
+ let pkg_lib_path_opts = concat (map get_pkg_lib_path_opts pkg_lib_paths)
+ get_pkg_lib_path_opts l | opt_HardwireLibPaths && not opt_Static = ["-L" ++ l, "-Wl,-rpath", "-Wl," ++ l]
+ | otherwise = ["-L" ++ l]
let lib_paths = libraryPaths dflags
let lib_path_opts = map ("-L"++) lib_paths
@@ -1215,6 +1243,8 @@ staticLink dflags o_files dep_packages = do
]
| otherwise = []
+ rc_objs <- maybeCreateManifest dflags output_fn
+
let (md_c_flags, _) = machdepCCOpts dflags
SysTools.runLink dflags (
[ SysTools.Option verb
@@ -1227,6 +1257,7 @@ staticLink dflags o_files dep_packages = do
++ extra_ld_inputs
++ lib_path_opts
++ extra_ld_opts
+ ++ rc_objs
#ifdef darwin_TARGET_OS
++ framework_path_opts
++ framework_opts
@@ -1265,16 +1296,67 @@ exeFileName dflags
"a.out"
#endif
------------------------------------------------------------------------------
--- Making a DLL (only for Win32)
+maybeCreateManifest
+ :: DynFlags
+ -> FilePath -- filename of executable
+ -> IO [FilePath] -- extra objects to embed, maybe
+maybeCreateManifest dflags exe_filename = do
+#ifndef mingw32_TARGET_OS
+ return []
+#else
+ if not (dopt Opt_GenManifest dflags) then return [] else do
+
+ let manifest_filename = exe_filename `joinFileExt` "manifest"
+
+ writeFile manifest_filename $
+ "\n"++
+ " \n"++
+ " \n\n"++
+ " \n"++
+ " \n"++
+ " \n"++
+ " \n"++
+ " \n"++
+ " \n"++
+ " \n"++
+ "\n"
+
+ -- Windows will fine the manifest file if it is named foo.exe.manifest.
+ -- However, for extra robustness, and so that we can move the binary around,
+ -- we can embed the manifest in the binary itself using windres:
+ if not (dopt Opt_EmbedManifest dflags) then return [] else do
+
+ rc_filename <- newTempName dflags "rc"
+ rc_obj_filename <- newTempName dflags (objectSuf dflags)
+
+ writeFile rc_filename $
+ "1 24 MOVEABLE PURE " ++ show manifest_filename ++ "\n"
+ -- magic numbers :-)
+ -- show is a bit hackish above, but we need to esacpe the
+ -- backslashes in the path.
+
+ let wr_opts = getOpts dflags opt_windres
+ runWindres dflags $ map SysTools.Option $
+ ["--input="++rc_filename,
+ "--output="++rc_obj_filename,
+ "--output-format=coff"]
+ ++ wr_opts
+ -- no FileOptions here: windres doesn't like seeing
+ -- backslashes, apparently
+
+ return [rc_obj_filename]
+#endif
-doMkDLL :: DynFlags -> [String] -> [PackageId] -> IO ()
-doMkDLL dflags o_files dep_packages = do
+
+linkDynLib :: DynFlags -> [String] -> [PackageId] -> IO ()
+linkDynLib dflags o_files dep_packages = do
let verb = getVerbFlag dflags
let static = opt_Static
let no_hs_main = dopt Opt_NoHsMain dflags
let o_file = outputFile dflags
- let output_fn = case o_file of { Just s -> s; Nothing -> "HSdll.dll"; }
pkg_lib_paths <- getPackageLibraryPath dflags dep_packages
let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths
@@ -1287,20 +1369,88 @@ doMkDLL dflags o_files dep_packages = do
-- probably _stub.o files
extra_ld_inputs <- readIORef v_Ld_inputs
- -- opts from -optdll-
- let extra_ld_opts = getOpts dflags opt_dll
+ let (md_c_flags, _) = machdepCCOpts dflags
+ let extra_ld_opts = getOpts dflags opt_l
+#if defined(mingw32_HOST_OS)
+ -----------------------------------------------------------------------------
+ -- Making a DLL
+ -----------------------------------------------------------------------------
+ let output_fn = case o_file of { Just s -> s; Nothing -> "HSdll.dll"; }
- let pstate = pkgState dflags
- rts_pkg = getPackageDetails pstate rtsPackageId
- base_pkg = getPackageDetails pstate basePackageId
+ SysTools.runLink dflags
+ ([ SysTools.Option verb
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ , SysTools.Option "-shared"
+ , SysTools.FileOption "-Wl,--out-implib=" (output_fn ++ ".a")
+ ]
+ ++ map (SysTools.FileOption "") o_files
+ ++ map SysTools.Option (
+ md_c_flags
+ ++ extra_ld_inputs
+ ++ lib_path_opts
+ ++ extra_ld_opts
+ ++ pkg_lib_path_opts
+ ++ pkg_link_opts
+ ))
+#elif defined(darwin_TARGET_OS)
+ -----------------------------------------------------------------------------
+ -- Making a darwin dylib
+ -----------------------------------------------------------------------------
+ -- About the options used for Darwin:
+ -- -dynamiclib
+ -- Apple's way of saying -shared
+ -- -undefined dynamic_lookup:
+ -- Without these options, we'd have to specify the correct dependencies
+ -- for each of the dylibs. Note that we could (and should) do without this
+ -- for all libraries except the RTS; all we need to do is to pass the
+ -- correct HSfoo_dyn.dylib files to the link command.
+ -- This feature requires Mac OS X 10.3 or later; there is a similar feature,
+ -- -flat_namespace -undefined suppress, which works on earlier versions,
+ -- but it has other disadvantages.
+ -- -single_module
+ -- Build the dynamic library as a single "module", i.e. no dynamic binding
+ -- nonsense when referring to symbols from within the library. The NCG
+ -- assumes that this option is specified (on i386, at least).
+ -- -Wl,-macosx_version_min -Wl,10.3
+ -- Tell the linker its safe to assume that the library will run on 10.3 or
+ -- later, so that it will not complain about the use of the option
+ -- -undefined dynamic_lookup above.
+ -- -install_name
+ -- Causes the dynamic linker to ignore the DYLD_LIBRARY_PATH when loading
+ -- this lib and instead look for it at its absolute path.
+ -- When installing the .dylibs (see target.mk), we'll change that path to
+ -- point to the place they are installed. Therefore, we won't have to set
+ -- up DYLD_LIBRARY_PATH specifically for ghc.
+ -----------------------------------------------------------------------------
+
+ let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; }
+
+ pwd <- getCurrentDirectory
+ SysTools.runLink dflags
+ ([ SysTools.Option verb
+ , SysTools.Option "-dynamiclib"
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ]
+ ++ map SysTools.Option (
+ md_c_flags
+ ++ o_files
+ ++ [ "-undefined", "dynamic_lookup", "-single_module", "-Wl,-macosx_version_min","-Wl,10.3", "-install_name " ++ (pwd `joinFileName` output_fn) ]
+ ++ extra_ld_inputs
+ ++ lib_path_opts
+ ++ extra_ld_opts
+ ++ pkg_lib_path_opts
+ ++ pkg_link_opts
+ ))
+#else
+ -----------------------------------------------------------------------------
+ -- Making a DSO
+ -----------------------------------------------------------------------------
- let extra_os = if static || no_hs_main
- then []
- else [ head (libraryDirs rts_pkg) ++ "/Main.dll_o",
- head (libraryDirs base_pkg) ++ "/PrelMain.dll_o" ]
+ let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; }
- let (md_c_flags, _) = machdepCCOpts dflags
- SysTools.runMkDLL dflags
+ SysTools.runLink dflags
([ SysTools.Option verb
, SysTools.Option "-o"
, SysTools.FileOption "" output_fn
@@ -1308,18 +1458,14 @@ doMkDLL dflags o_files dep_packages = do
++ map SysTools.Option (
md_c_flags
++ o_files
- ++ extra_os
- ++ [ "--target=i386-mingw32" ]
+ ++ [ "-shared", "-Wl,-Bsymbolic" ] -- we need symbolic linking to resolve non-PIC intra-package-relocations
++ extra_ld_inputs
++ lib_path_opts
++ extra_ld_opts
++ pkg_lib_path_opts
++ pkg_link_opts
- ++ (if "--def" `elem` (concatMap words extra_ld_opts)
- then [ "" ]
- else [ "--export-all" ])
))
-
+#endif
-- -----------------------------------------------------------------------------
-- Running CPP
@@ -1400,8 +1546,6 @@ hscNextPhase dflags other hsc_lang =
hscMaybeAdjustTarget :: DynFlags -> Phase -> HscSource -> HscTarget -> HscTarget
-hscMaybeAdjustTarget dflags stop HsBootFile current_hsc_lang
- = HscNothing -- No output (other than Foo.hi-boot) for hs-boot files
hscMaybeAdjustTarget dflags stop other current_hsc_lang
= hsc_lang
where