-----------------------------------------------------------------------------
module DriverPipeline (
- -- Run a series of compilation steps in a pipeline, for a
- -- collection of source files.
+ -- Run a series of compilation steps in a pipeline, for a
+ -- collection of source files.
oneShot, compileFile,
- -- Interfaces for the batch-mode driver
+ -- Interfaces for the batch-mode driver
linkBinary,
- -- Interfaces for the compilation manager (interpreted/batch-mode)
- preprocess,
- compile,
- link,
+ -- Interfaces for the compilation manager (interpreted/batch-mode)
+ preprocess,
+ compile, compile',
+ link,
) where
import HscTypes
import Outputable
import Module
-import LazyUniqFM ( eltsUFM )
+import UniqFM ( eltsUFM )
import ErrUtils
import DynFlags
-import StaticFlags ( v_Ld_inputs, opt_Static, WayName(..) )
+import StaticFlags ( v_Ld_inputs, opt_PIC, opt_Static, WayName(..) )
import Config
import Panic
import Util
-import StringBuffer ( hGetStringBuffer )
-import BasicTypes ( SuccessFlag(..) )
-import Maybes ( expectJust )
-import ParserCoreUtils ( getCoreModuleName )
+import StringBuffer ( hGetStringBuffer )
+import BasicTypes ( SuccessFlag(..) )
+import Maybes ( expectJust )
+import ParserCoreUtils ( getCoreModuleName )
import SrcLoc
import FastString
-import MonadUtils
+import LlvmCodeGen ( llvmFixupAsm )
+-- import MonadUtils
-import Data.Either
+-- import Data.Either
import Exception
-import Data.IORef ( readIORef, writeIORef, IORef )
-import GHC.Exts ( Int(..) )
+import Data.IORef ( readIORef )
+-- import GHC.Exts ( Int(..) )
import System.Directory
import System.FilePath
import System.IO
import System.IO.Error as IO
import Control.Monad
-import Data.List ( isSuffixOf )
+import Data.List ( isSuffixOf )
import Data.Maybe
import System.Environment
-> (FilePath, Maybe Phase) -- ^ filename and starting phase
-> m (DynFlags, FilePath)
preprocess hsc_env (filename, mb_phase) =
- ASSERT2(isJust mb_phase || isHaskellSrcFilename filename, text filename)
- runPipeline anyHsc hsc_env (filename, mb_phase)
+ ASSERT2(isJust mb_phase || isHaskellSrcFilename filename, text filename)
+ runPipeline anyHsc hsc_env (filename, mb_phase)
Nothing Temporary Nothing{-no ModLocation-}
-- ---------------------------------------------------------------------------
-> Maybe Linkable -- ^ old linkable, if we have one
-> m HomeModInfo -- ^ the complete HomeModInfo, if successful
-compile hsc_env0 summary mod_index nmods mb_old_iface maybe_old_linkable
+compile = compile' (hscCompileNothing, hscCompileInteractive, hscCompileBatch)
+
+type Compiler m a = HscEnv -> ModSummary -> Bool
+ -> Maybe ModIface -> Maybe (Int, Int)
+ -> m a
+
+compile' :: GhcMonad m =>
+ (Compiler m (HscStatus, ModIface, ModDetails),
+ Compiler m (InteractiveStatus, ModIface, ModDetails),
+ Compiler m (HscStatus, ModIface, ModDetails))
+ -> HscEnv
+ -> ModSummary -- ^ summary for module being compiled
+ -> Int -- ^ module N ...
+ -> Int -- ^ ... of M
+ -> Maybe ModIface -- ^ old interface, if we have one
+ -> Maybe Linkable -- ^ old linkable, if we have one
+ -> m HomeModInfo -- ^ the complete HomeModInfo, if successful
+
+compile' (nothingCompiler, interactiveCompiler, batchCompiler)
+ hsc_env0 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
- location = ms_location summary
- input_fn = expectJust "compile:hs" (ml_hs_file location)
+ location = ms_location summary
+ input_fn = expectJust "compile:hs" (ml_hs_file location)
input_fnpp = ms_hspp_file summary
liftIO $ debugTraceMsg dflags0 2 (text "compile: input file" <+> text input_fnpp)
let next_phase = hscNextPhase dflags src_flavour hsc_lang
-- ... and what file to generate the output into
output_fn <- liftIO $ getOutputFilename next_phase
- Temporary basename dflags next_phase (Just location)
+ Temporary basename dflags next_phase (Just location)
let dflags' = dflags { hscTarget = hsc_lang,
- hscOutName = output_fn,
- extCoreName = basename ++ ".hcr" }
+ hscOutName = output_fn,
+ extCoreName = basename ++ ".hcr" }
let hsc_env' = hsc_env { hsc_dflags = dflags' }
-- -fforce-recomp should also work with --make
= ASSERT (isJust maybe_old_linkable)
return maybe_old_linkable
- handleBatch (HscRecomp hasStub)
+ handleBatch (HscRecomp hasStub _)
| isHsBoot src_flavour
= do when (isObjectTarget hsc_lang) $ -- interpreted reaches here too
liftIO $ SysTools.touch dflags' "Touching object file"
-> return ([], ms_hs_date summary)
-- We're in --make mode: finish the compilation pipeline.
_other
- -> do runPipeline StopLn hsc_env' (output_fn,Nothing)
+ -> do _ <- runPipeline StopLn hsc_env' (output_fn,Nothing)
(Just basename)
Persistent
(Just location)
o_time <- liftIO $ getModificationTime object_filename
return ([DotO object_filename], o_time)
let linkable = LM unlinked_time this_mod
- (hs_unlinked ++ stub_unlinked)
+ (hs_unlinked ++ stub_unlinked)
return (Just linkable)
- handleInterpreted InteractiveNoRecomp
+ handleInterpreted HscNoRecomp
= ASSERT (isJust maybe_old_linkable)
return maybe_old_linkable
- handleInterpreted (InteractiveRecomp hasStub comp_bc modBreaks)
+ handleInterpreted (HscRecomp _hasStub Nothing)
+ = ASSERT (isHsBoot src_flavour)
+ return maybe_old_linkable
+ handleInterpreted (HscRecomp hasStub (Just (comp_bc, modBreaks)))
= do stub_unlinked <- getStubLinkable hasStub
let hs_unlinked = [BCOs comp_bc modBreaks]
unlinked_time = ms_hs_date summary
hm_linkable = linkable })
-- run the compiler
case hsc_lang of
- HscInterpreted
- | isHsBoot src_flavour ->
- runCompiler hscCompileNothing handleBatch
- | otherwise ->
- runCompiler hscCompileInteractive handleInterpreted
- HscNothing ->
- runCompiler hscCompileNothing handleBatch
- _other ->
- runCompiler hscCompileBatch handleBatch
+ HscInterpreted ->
+ runCompiler interactiveCompiler handleInterpreted
+ HscNothing ->
+ runCompiler nothingCompiler handleBatch
+ _other ->
+ runCompiler batchCompiler handleBatch
+
-----------------------------------------------------------------------------
-- stub .h and .c files (for foreign export support)
-- into account the -stubdir option.
--
-- Consequently, we derive the _stub.o filename from the haskell object
--- filename.
+-- filename.
--
-- This isn't necessarily the same as the object filename we
-- would get if we just compiled the _stub.c file using the pipeline.
-- For example:
--
-- ghc src/A.hs -odir obj
---
+--
-- results in obj/A.o, and src/A_stub.c. If we compile src/A_stub.c with
-- -odir obj, we would get obj/src/A_stub.o, which is wrong; we want
-- obj/A_stub.o.
compileStub :: GhcMonad m => HscEnv -> Module -> ModLocation
-> m FilePath
compileStub hsc_env mod location = do
- let (o_base, o_ext) = splitExtension (ml_obj_file location)
- stub_o = (o_base ++ "_stub") <.> o_ext
+ -- compile the _stub.c file w/ gcc
+ let (stub_c,_,stub_o) = mkStubPaths (hsc_dflags hsc_env)
+ (moduleName mod) location
- -- compile the _stub.c file w/ gcc
- let (stub_c,_,_) = mkStubPaths (hsc_dflags hsc_env) (moduleName mod) location
- runPipeline StopLn hsc_env (stub_c,Nothing) Nothing
- (SpecificFile stub_o) Nothing{-no ModLocation-}
+ _ <- runPipeline StopLn hsc_env (stub_c,Nothing) Nothing
+ (SpecificFile stub_o) Nothing{-no ModLocation-}
- return stub_o
+ return stub_o
-- ---------------------------------------------------------------------------
= return Succeeded
link LinkBinary dflags batch_attempt_linking hpt
+ = link' dflags batch_attempt_linking hpt
+
+link LinkDynLib dflags batch_attempt_linking hpt
+ = link' dflags batch_attempt_linking hpt
+
+#ifndef GHCI
+-- warning suppression
+link other _ _ _ = panicBadLink other
+#endif
+
+panicBadLink :: GhcLink -> a
+panicBadLink other = panic ("link: GHC not built to link this way: " ++
+ show other)
+
+link' :: DynFlags -- dynamic flags
+ -> Bool -- attempt linking in batch mode?
+ -> HomePackageTable -- what to link
+ -> IO SuccessFlag
+
+link' dflags batch_attempt_linking hpt
| batch_attempt_linking
= do
let
text " Main.main not exported; not linking.")
return Succeeded
--- warning suppression
-link other _ _ _ = panicBadLink other
-
-panicBadLink :: GhcLink -> a
-panicBadLink other = panic ("link: GHC not built to link this way: " ++
- show other)
-
linkingNeeded :: DynFlags -> [Linkable] -> [PackageId] -> IO Bool
linkingNeeded dflags linkables pkg_deps = do
let (errs,extra_times) = splitEithers e_extra_times
let obj_times = map linkableTime linkables ++ extra_times
if not (null errs) || any (t <) obj_times
- then return True
+ then return True
else do
-- next, check libraries. XXX this only checks Haskell libraries,
HscEnv -> Phase -> (FilePath, Maybe Phase) -> m FilePath
compileFile hsc_env stop_phase (src, mb_phase) = do
exists <- liftIO $ doesFileExist src
- when (not exists) $
- ghcError (CmdLineError ("does not exist: " ++ src))
-
+ when (not exists) $
+ ghcError (CmdLineError ("does not exist: " ++ src))
+
let
dflags = hsc_dflags hsc_env
- split = dopt Opt_SplitObjs dflags
- mb_o_file = outputFile dflags
- ghc_link = ghcLink dflags -- Set by -c or -no-link
+ split = dopt Opt_SplitObjs dflags
+ mb_o_file = outputFile dflags
+ ghc_link = ghcLink dflags -- Set by -c or -no-link
- -- When linking, the -o argument refers to the linker's output.
- -- otherwise, we use it as the name for the pipeline's output.
+ -- When linking, the -o argument refers to the linker's output.
+ -- otherwise, we use it as the name for the pipeline's output.
output
- | StopLn <- stop_phase, not (isNoLink ghc_link) = Persistent
- -- -o foo applies to linker
- | Just o_file <- mb_o_file = SpecificFile o_file
- -- -o foo applies to the file we are compiling now
- | otherwise = Persistent
-
- stop_phase' = case stop_phase of
- As | split -> SplitAs
+ | StopLn <- stop_phase, not (isNoLink ghc_link) = Persistent
+ -- -o foo applies to linker
+ | Just o_file <- mb_o_file = SpecificFile o_file
+ -- -o foo applies to the file we are compiling now
+ | otherwise = Persistent
+
+ stop_phase' = case stop_phase of
+ As | split -> SplitAs
_ -> stop_phase
( _, out_file) <- runPipeline stop_phase' hsc_env
doLink :: DynFlags -> Phase -> [FilePath] -> IO ()
doLink dflags stop_phase o_files
| not (isStopLn stop_phase)
- = return () -- We stopped before the linking phase
+ = return () -- We stopped before the linking phase
| otherwise
= case ghcLink dflags of
- NoLink -> return ()
- LinkBinary -> linkBinary dflags o_files link_pkgs
- LinkDynLib -> linkDynLib dflags o_files []
+ NoLink -> return ()
+ LinkBinary -> linkBinary dflags o_files link_pkgs
+ LinkDynLib -> linkDynLib dflags o_files []
other -> panicBadLink other
where
-- Always link in the haskell98 package for static linking. Other
-- ---------------------------------------------------------------------------
-data PipelineOutput
+data PipelineOutput
= Temporary
- -- ^ Output should be to a temporary file: we're going to
- -- run more compilation steps on this output later.
+ -- ^ Output should be to a temporary file: we're going to
+ -- run more compilation steps on this output later.
| Persistent
- -- ^ We want a persistent file, i.e. a file in the current directory
- -- derived from the input filename, but with the appropriate extension.
- -- eg. in "ghc -c Foo.hs" the output goes into ./Foo.o.
+ -- ^ We want a persistent file, i.e. a file in the current directory
+ -- derived from the input filename, but with the appropriate extension.
+ -- eg. in "ghc -c Foo.hs" the output goes into ./Foo.o.
| SpecificFile FilePath
- -- ^ The output must go into the specified file.
+ -- ^ The output must go into the specified file.
-- | Run a compilation pipeline, consisting of multiple phases.
--
-- at which stage to stop.
--
-- The DynFlags can be modified by phases in the pipeline (eg. by
--- GHC_OPTIONS pragmas), and the changes affect later phases in the
+-- OPTIONS_GHC pragmas), and the changes affect later phases in the
-- pipeline.
runPipeline
:: GhcMonad m =>
- Phase -- ^ When to stop
+ Phase -- ^ When to stop
-> HscEnv -- ^ Compilation environment
-> (FilePath,Maybe Phase) -- ^ Input filename (and maybe -x suffix)
-> Maybe FilePath -- ^ original basename (if different from ^^^)
- -> PipelineOutput -- ^ Output filename
+ -> PipelineOutput -- ^ Output filename
-> Maybe ModLocation -- ^ A ModLocation, if this is a Haskell module
- -> m (DynFlags, FilePath) -- ^ (final flags, output filename)
+ -> m (DynFlags, FilePath) -- ^ (final flags, output filename)
runPipeline stop_phase hsc_env0 (input_fn, mb_phase) mb_basename output maybe_loc
= do
dflags = dflags0 { dumpPrefix = Just (basename ++ ".") }
hsc_env = hsc_env0 {hsc_dflags = dflags}
- -- If we were given a -x flag, then use that phase to start from
+ -- If we were given a -x flag, then use that phase to start from
start_phase = fromMaybe (startPhase suffix') mb_phase
-- We want to catch cases of "you can't get there from here" before
-- before B in a normal compilation pipeline.
when (not (start_phase `happensBefore` stop_phase)) $
- ghcError (UsageError
- ("cannot compile this file to desired target: "
- ++ input_fn))
+ ghcError (UsageError
+ ("cannot compile this file to desired target: "
+ ++ input_fn))
-- this is a function which will be used to calculate output file names
-- as we go along (we partially apply it to some of its inputs here)
let get_output_fn = getOutputFilename stop_phase output basename
-- Execute the pipeline...
- (dflags', output_fn, maybe_loc) <-
- pipeLoop hsc_env start_phase stop_phase input_fn
- basename suffix' get_output_fn maybe_loc
+ (dflags', output_fn, maybe_loc) <-
+ pipeLoop hsc_env start_phase stop_phase input_fn
+ basename suffix' get_output_fn 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
-- 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)
+ Temporary ->
+ return (dflags', output_fn)
_other -> liftIO $
- do final_fn <- get_output_fn dflags' stop_phase maybe_loc
- when (final_fn /= output_fn) $ do
+ do final_fn <- get_output_fn dflags' stop_phase maybe_loc
+ 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)
+ copyWithHeader dflags msg line_prag output_fn final_fn
+ return (dflags', final_fn)
pipeLoop :: GhcMonad m =>
HscEnv -> Phase -> Phase
- -> FilePath -> String -> Suffix
- -> (DynFlags -> Phase -> Maybe ModLocation -> IO FilePath)
- -> Maybe ModLocation
- -> m (DynFlags, FilePath, Maybe ModLocation)
+ -> FilePath -> String -> Suffix
+ -> (DynFlags -> Phase -> Maybe ModLocation -> IO FilePath)
+ -> Maybe ModLocation
+ -> m (DynFlags, FilePath, Maybe ModLocation)
-pipeLoop hsc_env phase stop_phase
- input_fn orig_basename orig_suff
- orig_get_output_fn maybe_loc
+pipeLoop hsc_env phase stop_phase
+ input_fn orig_basename orig_suff
+ orig_get_output_fn maybe_loc
- | phase `eqPhase` stop_phase -- All done
+ | phase `eqPhase` stop_phase -- All done
= return (hsc_dflags hsc_env, input_fn, maybe_loc)
| not (phase `happensBefore` stop_phase)
- -- Something has gone wrong. We'll try to cover all the cases when
- -- this could happen, so if we reach here it is a panic.
- -- eg. it might happen if the -C flag is used on a source file that
- -- has {-# OPTIONS -fasm #-}.
- = panic ("pipeLoop: at phase " ++ show phase ++
- " but I wanted to stop at phase " ++ show stop_phase)
-
- | otherwise
- = do (next_phase, dflags', maybe_loc, output_fn)
- <- runPhase phase stop_phase hsc_env orig_basename
+ -- Something has gone wrong. We'll try to cover all the cases when
+ -- this could happen, so if we reach here it is a panic.
+ -- eg. it might happen if the -C flag is used on a source file that
+ -- has {-# OPTIONS -fasm #-}.
+ = panic ("pipeLoop: at phase " ++ show phase ++
+ " but I wanted to stop at phase " ++ show stop_phase)
+
+ | otherwise
+ = do liftIO $ debugTraceMsg (hsc_dflags hsc_env) 4
+ (ptext (sLit "Running phase") <+> ppr phase)
+ (next_phase, dflags', maybe_loc, output_fn)
+ <- runPhase phase stop_phase hsc_env orig_basename
orig_suff input_fn orig_get_output_fn maybe_loc
let hsc_env' = hsc_env {hsc_dflags = dflags'}
pipeLoop hsc_env' next_phase stop_phase output_fn
getOutputFilename stop_phase output basename
= func
where
- func dflags next_phase maybe_location
- | is_last_phase, Persistent <- output = persistent_fn
- | is_last_phase, SpecificFile f <- output = return f
- | keep_this_output = persistent_fn
- | otherwise = newTempName dflags suffix
- where
- hcsuf = hcSuf dflags
- odir = objectDir dflags
- osuf = objectSuf dflags
- keep_hc = dopt Opt_KeepHcFiles dflags
- keep_raw_s = dopt Opt_KeepRawSFiles dflags
- keep_s = dopt Opt_KeepSFiles dflags
-
- myPhaseInputExt HCc = hcsuf
- myPhaseInputExt StopLn = osuf
- myPhaseInputExt other = phaseInputExt other
-
- is_last_phase = next_phase `eqPhase` stop_phase
-
- -- sometimes, we keep output from intermediate stages
- keep_this_output =
- case next_phase of
- StopLn -> True
- Mangle | keep_raw_s -> True
- As | keep_s -> True
- HCc | keep_hc -> True
- _other -> False
-
- suffix = myPhaseInputExt next_phase
-
- -- persistent object files get put in odir
- persistent_fn
- | StopLn <- next_phase = return odir_persistent
- | otherwise = return persistent
-
- persistent = basename <.> suffix
-
- odir_persistent
- | Just loc <- maybe_location = ml_obj_file loc
- | Just d <- odir = d </> persistent
- | otherwise = persistent
+ func dflags next_phase maybe_location
+ | is_last_phase, Persistent <- output = persistent_fn
+ | is_last_phase, SpecificFile f <- output = return f
+ | keep_this_output = persistent_fn
+ | otherwise = newTempName dflags suffix
+ where
+ hcsuf = hcSuf dflags
+ odir = objectDir dflags
+ osuf = objectSuf dflags
+ keep_hc = dopt Opt_KeepHcFiles dflags
+ keep_raw_s = dopt Opt_KeepRawSFiles dflags
+ keep_s = dopt Opt_KeepSFiles dflags
+ keep_bc = dopt Opt_KeepLlvmFiles dflags
+
+ myPhaseInputExt HCc = hcsuf
+ myPhaseInputExt StopLn = osuf
+ myPhaseInputExt other = phaseInputExt other
+
+ is_last_phase = next_phase `eqPhase` stop_phase
+
+ -- sometimes, we keep output from intermediate stages
+ keep_this_output =
+ case next_phase of
+ StopLn -> True
+ Mangle | keep_raw_s -> True
+ As | keep_s -> True
+ LlvmOpt | keep_bc -> True
+ HCc | keep_hc -> True
+ _other -> False
+
+ suffix = myPhaseInputExt next_phase
+
+ -- persistent object files get put in odir
+ persistent_fn
+ | StopLn <- next_phase = return odir_persistent
+ | otherwise = return persistent
+
+ persistent = basename <.> suffix
+
+ odir_persistent
+ | Just loc <- maybe_location = ml_obj_file loc
+ | Just d <- odir = d </> persistent
+ | otherwise = persistent
-- -----------------------------------------------------------------------------
-- taking the via-C route to using the native code generator.
--
runPhase :: GhcMonad m =>
- Phase -- ^ Do this phase first
- -> Phase -- ^ Stop just before this phase
- -> HscEnv
- -> String -- ^ basename of original input source
- -> String -- ^ its extension
- -> FilePath -- ^ name of file which contains the input to this phase.
- -> (DynFlags -> Phase -> Maybe ModLocation -> IO FilePath)
- -- ^ how to calculate the output filename
- -> Maybe ModLocation -- ^ the ModLocation, if we have one
- -> m (Phase, -- next phase
- DynFlags, -- new dynamic flags
- Maybe ModLocation, -- the ModLocation, if we have one
- FilePath) -- output filename
-
- -- Invariant: the output filename always contains the output
- -- Interesting case: Hsc when there is no recompilation to do
- -- Then the output filename is still a .o file
+ Phase -- ^ Do this phase first
+ -> Phase -- ^ Stop just before this phase
+ -> HscEnv
+ -> String -- ^ basename of original input source
+ -> String -- ^ its extension
+ -> FilePath -- ^ name of file which contains the input to this phase.
+ -> (DynFlags -> Phase -> Maybe ModLocation -> IO FilePath)
+ -- ^ how to calculate the output filename
+ -> Maybe ModLocation -- ^ the ModLocation, if we have one
+ -> m (Phase, -- next phase
+ DynFlags, -- new dynamic flags
+ Maybe ModLocation, -- the ModLocation, if we have one
+ FilePath) -- output filename
+
+ -- Invariant: the output filename always contains the output
+ -- Interesting case: Hsc when there is no recompilation to do
+ -- Then the output filename is still a .o file
-------------------------------------------------------------------------------
--- Unlit phase
+-- Unlit phase
runPhase (Unlit sf) _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
= do
-------------------------------------------------------------------------------
-- Cpp phase : (a) gets OPTIONS out of file
--- (b) runs cpp if necessary
+-- (b) runs cpp if necessary
runPhase (Cpp sf) _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
= do let dflags0 = hsc_dflags hsc_env
- src_opts <- liftIO $ getOptionsFromFile dflags0 input_fn
- (dflags, unhandled_flags, warns)
+ let dflags0' = flattenExtensionFlags dflags0
+ src_opts <- liftIO $ getOptionsFromFile dflags0' input_fn
+ (dflags1, unhandled_flags, warns)
<- liftIO $ parseDynamicNoPackageFlags dflags0 src_opts
- liftIO $ handleFlagWarnings dflags warns -- XXX: may exit the program
checkProcessArgsResult unhandled_flags
+ let dflags1' = flattenExtensionFlags dflags1
+
+ if not (xopt Opt_Cpp dflags1') then do
+ -- we have to be careful to emit warnings only once.
+ unless (dopt Opt_Pp dflags1') $ handleFlagWarnings dflags1' warns
- if not (dopt Opt_Cpp dflags) then
-- no need to preprocess CPP, just pass input file along
- -- to the next phase of the pipeline.
- return (HsPp sf, dflags, maybe_loc, input_fn)
- else do
- output_fn <- liftIO $ get_output_fn dflags (HsPp sf) maybe_loc
- liftIO $ doCpp dflags True{-raw-} False{-no CC opts-} input_fn output_fn
- return (HsPp sf, dflags, maybe_loc, output_fn)
+ -- to the next phase of the pipeline.
+ return (HsPp sf, dflags1, maybe_loc, input_fn)
+ else do
+ output_fn <- liftIO $ get_output_fn dflags1' (HsPp sf) maybe_loc
+ liftIO $ doCpp dflags1' True{-raw-} False{-no CC opts-} input_fn output_fn
+ -- re-read the pragmas now that we've preprocessed the file
+ -- See #2464,#3457
+ src_opts <- liftIO $ getOptionsFromFile dflags0' output_fn
+ (dflags2, unhandled_flags, warns)
+ <- liftIO $ parseDynamicNoPackageFlags dflags0 src_opts
+ let dflags2' = flattenExtensionFlags dflags2
+ unless (dopt Opt_Pp dflags2') $ handleFlagWarnings dflags2' warns
+ -- the HsPp pass below will emit warnings
+ checkProcessArgsResult unhandled_flags
+
+ return (HsPp sf, dflags2, maybe_loc, output_fn)
-------------------------------------------------------------------------------
--- HsPp phase
+-- HsPp phase
runPhase (HsPp sf) _stop hsc_env basename suff input_fn get_output_fn maybe_loc
= do let dflags = hsc_dflags hsc_env
+ dflags' = flattenExtensionFlags dflags
if not (dopt Opt_Pp dflags) then
-- no need to preprocess, just pass input file along
- -- to the next phase of the pipeline.
- return (Hsc sf, dflags, maybe_loc, input_fn)
- else do
- let hspp_opts = getOpts dflags opt_F
- let orig_fn = basename <.> suff
- output_fn <- liftIO $ get_output_fn dflags (Hsc sf) maybe_loc
- liftIO $ SysTools.runPp dflags
- ( [ SysTools.Option orig_fn
- , SysTools.Option input_fn
- , SysTools.FileOption "" output_fn
- ] ++
- map SysTools.Option hspp_opts
- )
- return (Hsc sf, dflags, maybe_loc, output_fn)
+ -- to the next phase of the pipeline.
+ return (Hsc sf, dflags', maybe_loc, input_fn)
+ else do
+ let hspp_opts = getOpts dflags opt_F
+ let orig_fn = basename <.> suff
+ output_fn <- liftIO $ get_output_fn dflags (Hsc sf) maybe_loc
+ liftIO $ SysTools.runPp dflags
+ ( [ SysTools.Option orig_fn
+ , SysTools.Option input_fn
+ , SysTools.FileOption "" output_fn
+ ] ++
+ map SysTools.Option hspp_opts
+ )
+
+ -- re-read pragmas now that we've parsed the file (see #3674)
+ src_opts <- liftIO $ getOptionsFromFile dflags' output_fn
+ (dflags1, unhandled_flags, warns)
+ <- liftIO $ parseDynamicNoPackageFlags dflags src_opts
+ let dflags1' = flattenExtensionFlags dflags1
+ handleFlagWarnings dflags1' warns
+ checkProcessArgsResult unhandled_flags
+
+ return (Hsc sf, dflags1', maybe_loc, output_fn)
-----------------------------------------------------------------------------
-- Hsc phase
-- Compilation of a single module, in "legacy" mode (_not_ under
-- the direction of the compilation manager).
-runPhase (Hsc src_flavour) stop hsc_env basename suff input_fn get_output_fn _maybe_loc
- = do -- normal Hsc mode, not mkdependHS
+runPhase (Hsc src_flavour) stop hsc_env basename suff input_fn get_output_fn _maybe_loc
+ = do -- normal Hsc mode, not mkdependHS
let dflags0 = hsc_dflags hsc_env
-- we add the current directory (i.e. the directory in which
-- the .hs files resides) to the include path, since this is
-- what gcc does, and it's probably what you want.
- let current_dir = case takeDirectory basename of
+ let current_dir = case takeDirectory basename of
"" -> "." -- XXX Hack
d -> d
-
- paths = includePaths dflags0
- dflags = dflags0 { includePaths = current_dir : paths }
-
+
+ paths = includePaths dflags0
+ dflags = dflags0 { includePaths = current_dir : paths }
+
-- gather the imports and module name
- (hspp_buf,mod_name,imps,src_imps) <-
+ (hspp_buf,mod_name,imps,src_imps) <-
case src_flavour of
ExtCoreFile -> do -- no explicit imports in ExtCore input.
m <- liftIO $ getCoreModuleName input_fn
-- Build a ModLocation to pass to hscMain.
-- The source filename is rather irrelevant by now, but it's used
- -- by hscMain for messages. hscMain also needs
+ -- by hscMain for messages. hscMain also needs
-- the .hi and .o filenames, and this is as good a way
- -- as any to generate them, and better than most. (e.g. takes
+ -- as any to generate them, and better than most. (e.g. takes
-- into accout the -osuf flags)
- location1 <- liftIO $ mkHomeModLocation2 dflags mod_name basename suff
+ location1 <- liftIO $ mkHomeModLocation2 dflags mod_name basename suff
-- Boot-ify it if necessary
- let location2 | isHsBoot src_flavour = addBootSuffixLocn location1
- | otherwise = location1
-
+ let location2 | isHsBoot src_flavour = addBootSuffixLocn location1
+ | otherwise = location1
+
-- Take -ohi into account if present
-- This can't be done in mkHomeModuleLocation because
-- it only applies to the module being compiles
- let ohi = outputHi dflags
- location3 | Just fn <- ohi = location2{ ml_hi_file = fn }
- | otherwise = location2
+ let ohi = outputHi dflags
+ location3 | Just fn <- ohi = location2{ ml_hi_file = fn }
+ | otherwise = location2
-- Take -o into account if present
-- Very like -ohi, but we must *only* do this if we aren't linking
-- (If we're linking then the -o applies to the linked thing, not to
-- the object file for one module.)
-- Note the nasty duplication with the same computation in compileFile above
- let expl_o_file = outputFile dflags
- location4 | Just ofile <- expl_o_file
- , isNoLink (ghcLink dflags)
- = location3 { ml_obj_file = ofile }
- | otherwise = location3
+ let expl_o_file = outputFile dflags
+ location4 | Just ofile <- expl_o_file
+ , isNoLink (ghcLink dflags)
+ = location3 { ml_obj_file = ofile }
+ | otherwise = location3
- o_file = ml_obj_file location4 -- The real object file
+ o_file = ml_obj_file location4 -- The real object file
-- Figure out if the source has changed, for recompilation avoidance.
-- changed (which the compiler itself figures out).
-- Setting source_unchanged to False tells the compiler that M.o is out of
-- date wrt M.hs (or M.o doesn't exist) so we must recompile regardless.
- src_timestamp <- liftIO $ getModificationTime (basename <.> suff)
+ src_timestamp <- liftIO $ getModificationTime (basename <.> suff)
- let force_recomp = dopt Opt_ForceRecomp dflags
- source_unchanged <-
+ let force_recomp = dopt Opt_ForceRecomp dflags
+ hsc_lang = hscMaybeAdjustTarget dflags stop src_flavour (hscTarget dflags)
+ source_unchanged <-
if force_recomp || not (isStopLn stop)
- -- Set source_unchanged to False unconditionally if
- -- (a) recompilation checker is off, or
- -- (b) we aren't going all the way to .o file (e.g. ghc -S)
- then return False
- -- Otherwise look at file modification dates
- else do o_file_exists <- liftIO $ doesFileExist o_file
- if not o_file_exists
- then return False -- Need to recompile
- else do t2 <- liftIO $ getModificationTime o_file
- if t2 > src_timestamp
- then return True
- else return False
+ -- Set source_unchanged to False unconditionally if
+ -- (a) recompilation checker is off, or
+ -- (b) we aren't going all the way to .o file (e.g. ghc -S)
+ then return False
+ -- Otherwise look at file modification dates
+ else do o_file_exists <- liftIO $ doesFileExist o_file
+ if not o_file_exists
+ then return False -- Need to recompile
+ else do t2 <- liftIO $ getModificationTime o_file
+ if t2 > src_timestamp
+ then return True
+ else return False
-- get the DynFlags
- let hsc_lang = hscMaybeAdjustTarget dflags stop src_flavour (hscTarget dflags)
- let next_phase = hscNextPhase dflags src_flavour hsc_lang
- output_fn <- liftIO $ get_output_fn dflags next_phase (Just location4)
+ let next_phase = hscNextPhase dflags src_flavour hsc_lang
+ output_fn <- liftIO $ get_output_fn dflags next_phase (Just location4)
let dflags' = dflags { hscTarget = hsc_lang,
- hscOutName = output_fn,
- extCoreName = basename ++ ".hcr" }
+ hscOutName = output_fn,
+ extCoreName = basename ++ ".hcr" }
let hsc_env' = hsc_env {hsc_dflags = dflags'}
-- Tell the finder cache about this module
- mod <- liftIO $ addHomeModuleToFinder hsc_env' mod_name location4
+ mod <- liftIO $ addHomeModuleToFinder hsc_env' mod_name location4
-- Make the ModSummary to hand to hscMain
- let
- mod_summary = ModSummary { ms_mod = mod,
- ms_hsc_src = src_flavour,
- ms_hspp_file = input_fn,
+ let
+ mod_summary = ModSummary { ms_mod = mod,
+ ms_hsc_src = src_flavour,
+ ms_hspp_file = input_fn,
ms_hspp_opts = dflags,
- ms_hspp_buf = hspp_buf,
- ms_location = location4,
- ms_hs_date = src_timestamp,
- ms_obj_date = Nothing,
- ms_imps = imps,
- ms_srcimps = src_imps }
+ ms_hspp_buf = hspp_buf,
+ ms_location = location4,
+ ms_hs_date = src_timestamp,
+ ms_obj_date = Nothing,
+ ms_imps = imps,
+ ms_srcimps = src_imps }
-- run the compiler!
- result <- hscCompileOneShot hsc_env'
- mod_summary source_unchanged
- Nothing -- No iface
+ result <- hscCompileOneShot hsc_env'
+ mod_summary source_unchanged
+ Nothing -- No iface
Nothing -- No "module i of n" progress info
- case result of
+ case result of
HscNoRecomp
-> do liftIO $ SysTools.touch dflags' "Touching object file" o_file
-- The .o file must have a later modification date
-- than the source file (else we wouldn't be in HscNoRecomp)
-- but we touch it anyway, to keep 'make' happy (we think).
return (StopLn, dflags', Just location4, o_file)
- (HscRecomp hasStub)
+ (HscRecomp hasStub _)
-> do when hasStub $
do stub_o <- compileStub hsc_env' mod location4
liftIO $ consIORef v_Ld_inputs stub_o
- -- In the case of hs-boot files, generate a dummy .o-boot
+ -- In the case of hs-boot files, generate a dummy .o-boot
-- stamp file for the benefit of Make
when (isHsBoot src_flavour) $
liftIO $ SysTools.touch dflags' "Touching object file" o_file
runPhase CmmCpp _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
= do
let dflags = hsc_dflags hsc_env
- output_fn <- liftIO $ get_output_fn dflags Cmm maybe_loc
- liftIO $ doCpp dflags False{-not raw-} True{-include CC opts-} input_fn output_fn
- return (Cmm, dflags, maybe_loc, output_fn)
+ dflags' = flattenExtensionFlags dflags
+ output_fn <- liftIO $ get_output_fn dflags' Cmm maybe_loc
+ liftIO $ doCpp dflags' False{-not raw-} True{-include CC opts-} input_fn output_fn
+ return (Cmm, dflags', maybe_loc, output_fn)
runPhase Cmm stop hsc_env basename _ input_fn get_output_fn maybe_loc
= do
- let dflags = hsc_dflags hsc_env
- let hsc_lang = hscMaybeAdjustTarget dflags stop HsSrcFile (hscTarget dflags)
- let next_phase = hscNextPhase dflags HsSrcFile hsc_lang
- output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
+ let dflags = ensureFlattenedExtensionFlags $ hsc_dflags hsc_env
+ let hsc_lang = hscMaybeAdjustTarget dflags stop HsSrcFile (hscTarget dflags)
+ let next_phase = hscNextPhase dflags HsSrcFile hsc_lang
+ output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
let dflags' = dflags { hscTarget = hsc_lang,
- hscOutName = output_fn,
- extCoreName = basename ++ ".hcr" }
+ hscOutName = output_fn,
+ extCoreName = basename ++ ".hcr" }
let hsc_env' = hsc_env {hsc_dflags = dflags'}
- hscCmmFile hsc_env' input_fn
+ hscCmmFile hsc_env' input_fn
-- XXX: catch errors above and convert them into ghcError? Original
-- code was:
--
- --when (not ok) $ ghcError (PhaseFailed "cmm" (ExitFailure 1))
+ --when (not ok) $ ghcError (PhaseFailed "cmm" (ExitFailure 1))
- return (next_phase, dflags, maybe_loc, output_fn)
+ return (next_phase, dflags, maybe_loc, output_fn)
-----------------------------------------------------------------------------
-- Cc phase
runPhase cc_phase _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
| cc_phase `eqPhase` Cc || cc_phase `eqPhase` Ccpp || cc_phase `eqPhase` HCc
- = do let dflags = hsc_dflags hsc_env
+ = do let dflags = hsc_dflags hsc_env
let cc_opts = getOpts dflags opt_c
- hcc = cc_phase `eqPhase` HCc
+ hcc = cc_phase `eqPhase` HCc
- let cmdline_include_paths = includePaths dflags
+ let cmdline_include_paths = includePaths dflags
- -- HC files have the dependent packages stamped into them
- pkgs <- if hcc then liftIO (getHCFilePackages input_fn) else return []
+ -- HC files have the dependent packages stamped into them
+ pkgs <- if hcc then liftIO (getHCFilePackages input_fn) else return []
- -- add package include paths even if we're just compiling .c
- -- files; this is the Value Add(TM) that using ghc instead of
- -- gcc gives you :)
+ -- add package include paths even if we're just compiling .c
+ -- files; this is the Value Add(TM) that using ghc instead of
+ -- gcc gives you :)
pkg_include_dirs <- liftIO $ getPackageIncludePath dflags pkgs
let include_paths = foldr (\ x xs -> "-I" : x : xs) []
- (cmdline_include_paths ++ pkg_include_dirs)
+ (cmdline_include_paths ++ pkg_include_dirs)
- let (md_c_flags, md_regd_c_flags) = machdepCCOpts dflags
+ let (md_c_flags, md_regd_c_flags) = machdepCCOpts dflags
gcc_extra_viac_flags <- liftIO $ getExtraViaCOpts dflags
let pic_c_flags = picCCOpts dflags
-- cc-options are not passed when compiling .hc files. Our
-- hc code doesn't not #include any header files anyway, so these
-- options aren't necessary.
- pkg_extra_cc_opts <-
+ pkg_extra_cc_opts <-
if cc_phase `eqPhase` HCc
then return []
else liftIO $ getPackageExtraCcOpts dflags pkgs
#ifdef darwin_TARGET_OS
pkg_framework_paths <- liftIO $ getPackageFrameworkPath dflags pkgs
let cmdline_framework_paths = frameworkPaths dflags
- let framework_paths = map ("-F"++)
+ let framework_paths = map ("-F"++)
(cmdline_framework_paths ++ pkg_framework_paths)
#endif
- let split_objs = dopt Opt_SplitObjs dflags
- split_opt | hcc && split_objs = [ "-DUSE_SPLIT_MARKERS" ]
- | otherwise = [ ]
+ let split_objs = dopt Opt_SplitObjs dflags
+ split_opt | hcc && split_objs = [ "-DUSE_SPLIT_MARKERS" ]
+ | otherwise = [ ]
+
+ let cc_opt | optLevel dflags >= 2 = "-O2"
+ | otherwise = "-O"
- let cc_opt | optLevel dflags >= 2 = "-O2"
- | otherwise = "-O"
+ -- Decide next phase
- -- Decide next phase
-
let mangle = dopt Opt_DoAsmMangling dflags
next_phase
- | hcc && mangle = Mangle
- | otherwise = As
- output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
+ | hcc && mangle = Mangle
+ | otherwise = As
+ output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
- let
- more_hcc_opts =
+ let
+ more_hcc_opts =
#if i386_TARGET_ARCH
- -- on x86 the floating point regs have greater precision
- -- than a double, which leads to unpredictable results.
- -- By default, we turn this off with -ffloat-store unless
- -- the user specified -fexcess-precision.
- (if dopt Opt_ExcessPrecision dflags
- then []
+ -- on x86 the floating point regs have greater precision
+ -- than a double, which leads to unpredictable results.
+ -- By default, we turn this off with -ffloat-store unless
+ -- the user specified -fexcess-precision.
+ (if dopt Opt_ExcessPrecision dflags
+ then []
else [ "-ffloat-store" ]) ++
#endif
- -- gcc's -fstrict-aliasing allows two accesses to memory
- -- to be considered non-aliasing if they have different types.
- -- This interacts badly with the C code we generate, which is
- -- very weakly typed, being derived from C--.
- ["-fno-strict-aliasing"]
-
-
-
- liftIO $ SysTools.runCc dflags (
- -- force the C compiler to interpret this file as C when
- -- 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", if cc_phase `eqPhase` Ccpp
- then SysTools.Option "c++" else SysTools.Option "c"] ++
- [ SysTools.FileOption "" input_fn
- , SysTools.Option "-o"
- , SysTools.FileOption "" output_fn
- ]
- ++ map SysTools.Option (
- md_c_flags
+
+ -- gcc's -fstrict-aliasing allows two accesses to memory
+ -- to be considered non-aliasing if they have different types.
+ -- This interacts badly with the C code we generate, which is
+ -- very weakly typed, being derived from C--.
+ ["-fno-strict-aliasing"]
+
+ liftIO $ SysTools.runCc dflags (
+ -- force the C compiler to interpret this file as C when
+ -- 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", if cc_phase `eqPhase` Ccpp
+ then SysTools.Option "c++"
+ else SysTools.Option "c"] ++
+ [ SysTools.FileOption "" input_fn
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ]
+ ++ map SysTools.Option (
+ md_c_flags
++ pic_c_flags
+
+#if defined(mingw32_TARGET_OS)
+ -- Stub files generated for foreign exports references the runIO_closure
+ -- and runNonIO_closure symbols, which are defined in the base package.
+ -- These symbols are imported into the stub.c file via RtsAPI.h, and the
+ -- way we do the import depends on whether we're currently compiling
+ -- the base package or not.
+ ++ (if thisPackage dflags == basePackageId
+ then [ "-DCOMPILING_BASE_PACKAGE" ]
+ else [])
+#endif
+
#ifdef sparc_TARGET_ARCH
-- We only support SparcV9 and better because V8 lacks an atomic CAS
-- instruction. Note that the user can still override this
- -- (e.g., -mcpu=ultrasparc) as GCC picks the "best" -mcpu flag
- -- regardless of the ordering.
+ -- (e.g., -mcpu=ultrasparc) as GCC picks the "best" -mcpu flag
+ -- regardless of the ordering.
--
-- This is a temporary hack.
++ ["-mcpu=v9"]
#endif
- ++ (if hcc && mangle
- then md_regd_c_flags
- else [])
- ++ (if hcc
- then if mangle
+ ++ (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 [])
- ++ [ verb, "-S", "-Wimplicit", cc_opt ]
- ++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ]
+ else [])
+ ++ (if hcc
+ then more_hcc_opts
+ else [])
+ ++ [ verb, "-S", "-Wimplicit", cc_opt ]
+ ++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ]
#ifdef darwin_TARGET_OS
++ framework_paths
#endif
- ++ cc_opts
- ++ split_opt
- ++ include_paths
- ++ pkg_extra_cc_opts
- ))
+ ++ cc_opts
+ ++ split_opt
+ ++ include_paths
+ ++ pkg_extra_cc_opts
+ ))
- return (next_phase, dflags, maybe_loc, output_fn)
+ return (next_phase, dflags, maybe_loc, output_fn)
- -- ToDo: postprocess the output from gcc
+ -- ToDo: postprocess the output from gcc
-----------------------------------------------------------------------------
-- Mangle phase
#if i386_TARGET_ARCH
machdep_opts <- return [ show (stolen_x86_regs dflags) ]
#else
- machdep_opts <- return []
+ machdep_opts <- return []
#endif
- let split = dopt Opt_SplitObjs dflags
+ let split = dopt Opt_SplitObjs dflags
next_phase
- | split = SplitMangle
- | otherwise = As
- output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
+ | split = SplitMangle
+ | otherwise = As
+ output_fn <- liftIO $ get_output_fn dflags next_phase maybe_loc
- liftIO $ SysTools.runMangle dflags (map SysTools.Option mangler_opts
- ++ [ SysTools.FileOption "" input_fn
- , SysTools.FileOption "" output_fn
- ]
- ++ map SysTools.Option machdep_opts)
+ liftIO $ SysTools.runMangle dflags (map SysTools.Option mangler_opts
+ ++ [ SysTools.FileOption "" input_fn
+ , SysTools.FileOption "" output_fn
+ ]
+ ++ map SysTools.Option machdep_opts)
- return (next_phase, dflags, maybe_loc, output_fn)
+ return (next_phase, dflags, maybe_loc, output_fn)
-----------------------------------------------------------------------------
-- Splitting phase
runPhase SplitMangle _stop hsc_env _basename _suff input_fn _get_output_fn maybe_loc
= liftIO $
do -- tmp_pfx is the prefix used for the split .s files
- -- We also use it as the file to contain the no. of split .s files (sigh)
+ -- We also use it as the file to contain the no. of split .s files (sigh)
let dflags = hsc_dflags hsc_env
- split_s_prefix <- SysTools.newTempName dflags "split"
- let n_files_fn = split_s_prefix
+ split_s_prefix <- SysTools.newTempName dflags "split"
+ let n_files_fn = split_s_prefix
- SysTools.runSplit dflags
- [ SysTools.FileOption "" input_fn
- , SysTools.FileOption "" split_s_prefix
- , SysTools.FileOption "" n_files_fn
- ]
+ SysTools.runSplit dflags
+ [ SysTools.FileOption "" input_fn
+ , SysTools.FileOption "" split_s_prefix
+ , SysTools.FileOption "" n_files_fn
+ ]
- -- Save the number of split files for future references
- s <- readFile n_files_fn
- let n_files = read s :: Int
- writeIORef v_Split_info (split_s_prefix, n_files)
+ -- Save the number of split files for future references
+ s <- readFile n_files_fn
+ let n_files = read s :: Int
+ dflags' = dflags { splitInfo = Just (split_s_prefix, n_files) }
- -- Remember to delete all these files
- addFilesToClean [ split_s_prefix ++ "__" ++ show n ++ ".s"
- | n <- [1..n_files]]
+ -- Remember to delete all these files
+ addFilesToClean dflags' [ split_s_prefix ++ "__" ++ show n ++ ".s"
+ | n <- [1..n_files]]
- return (SplitAs, dflags, maybe_loc, "**splitmangle**")
- -- we don't use the filename
+ return (SplitAs, dflags', maybe_loc, "**splitmangle**")
+ -- we don't use the filename
-----------------------------------------------------------------------------
-- As phase
runPhase As _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
= liftIO $
- do let dflags = hsc_dflags hsc_env
+ do let dflags = hsc_dflags hsc_env
let as_opts = getOpts dflags opt_a
let cmdline_include_paths = includePaths dflags
- output_fn <- get_output_fn dflags StopLn maybe_loc
+ output_fn <- get_output_fn dflags StopLn maybe_loc
- -- we create directories for the object file, because it
- -- might be a hierarchical module.
- createDirectoryHierarchy (takeDirectory output_fn)
+ -- we create directories for the object file, because it
+ -- might be a hierarchical module.
+ createDirectoryHierarchy (takeDirectory output_fn)
- SysTools.runAs dflags
- (map SysTools.Option as_opts
- ++ [ SysTools.Option ("-I" ++ p) | p <- cmdline_include_paths ]
+ let (md_c_flags, _) = machdepCCOpts dflags
+ SysTools.runAs dflags
+ (map SysTools.Option as_opts
+ ++ [ SysTools.Option ("-I" ++ p) | p <- cmdline_include_paths ]
#ifdef sparc_TARGET_ARCH
-- We only support SparcV9 and better because V8 lacks an atomic CAS
- -- instruction so we have to make sure that the assembler accepts the
+ -- instruction so we have to make sure that the assembler accepts the
-- instruction set. Note that the user can still override this
- -- (e.g., -mcpu=ultrasparc). GCC picks the "best" -mcpu flag
- -- regardless of the ordering.
- --
- -- This is a temporary hack.
- ++ [ SysTools.Option "-mcpu=v9" ]
+ -- (e.g., -mcpu=ultrasparc). GCC picks the "best" -mcpu flag
+ -- regardless of the ordering.
+ --
+ -- This is a temporary hack.
+ ++ [ SysTools.Option "-mcpu=v9" ]
#endif
- ++ [ SysTools.Option "-c"
- , SysTools.FileOption "" input_fn
- , SysTools.Option "-o"
- , SysTools.FileOption "" output_fn
- ])
+ ++ [ SysTools.Option "-c"
+ , SysTools.FileOption "" input_fn
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ]
+ ++ map SysTools.Option md_c_flags)
- return (StopLn, dflags, maybe_loc, output_fn)
+ return (StopLn, dflags, maybe_loc, output_fn)
runPhase SplitAs _stop hsc_env _basename _suff _input_fn get_output_fn maybe_loc
output_fn <- get_output_fn dflags StopLn maybe_loc
let base_o = dropExtension output_fn
- split_odir = base_o ++ "_split"
osuf = objectSuf dflags
+ split_odir = base_o ++ "_" ++ osuf ++ "_split"
createDirectoryHierarchy split_odir
let as_opts = getOpts dflags opt_a
- (split_s_prefix, n) <- readIORef v_Split_info
+ let (split_s_prefix, n) = case splitInfo dflags of
+ Nothing -> panic "No split info"
+ Just x -> x
let split_s n = split_s_prefix ++ "__" ++ show n <.> "s"
split_obj n = split_odir </>
takeFileName base_o ++ "__" ++ show n <.> osuf
+ let (md_c_flags, _) = machdepCCOpts dflags
let assemble_file n
= SysTools.runAs dflags
(map SysTools.Option as_opts ++
+#ifdef sparc_TARGET_ARCH
+ -- We only support SparcV9 and better because V8 lacks an atomic CAS
+ -- instruction so we have to make sure that the assembler accepts the
+ -- instruction set. Note that the user can still override this
+ -- (e.g., -mcpu=ultrasparc). GCC picks the "best" -mcpu flag
+ -- regardless of the ordering.
+ --
+ -- This is a temporary hack.
+ [ SysTools.Option "-mcpu=v9" ] ++
+#endif
[ SysTools.Option "-c"
, SysTools.Option "-o"
, SysTools.FileOption "" (split_obj n)
, SysTools.FileOption "" (split_s n)
- ])
+ ]
+ ++ map SysTools.Option md_c_flags)
mapM_ assemble_file [1..n]
SysTools.Option "-Wl,-r",
SysTools.Option ld_x_flag,
SysTools.Option "-o",
- SysTools.FileOption "" output_fn ] ++ args)
+ SysTools.FileOption "" output_fn ]
+ ++ map SysTools.Option md_c_flags
+ ++ args)
ld_x_flag | null cLD_X = ""
| otherwise = "-Wl,-x"
return (StopLn, dflags, maybe_loc, output_fn)
+
+-----------------------------------------------------------------------------
+-- LlvmOpt phase
+
+runPhase LlvmOpt _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
+ = liftIO $ do
+ let dflags = hsc_dflags hsc_env
+ let lo_opts = getOpts dflags opt_lo
+ let opt_lvl = max 0 (min 2 $ optLevel dflags)
+ -- don't specify anything if user has specified commands. We do this for
+ -- opt but not llc since opt is very specifically for optimisation passes
+ -- only, so if the user is passing us extra options we assume they know
+ -- what they are doing and don't get in the way.
+ let optFlag = if null lo_opts
+ then [SysTools.Option (llvmOpts !! opt_lvl)]
+ else []
+
+ output_fn <- get_output_fn dflags LlvmLlc maybe_loc
+
+ SysTools.runLlvmOpt dflags
+ ([ SysTools.FileOption "" input_fn,
+ SysTools.Option "-o",
+ SysTools.FileOption "" output_fn]
+ ++ optFlag
+ ++ map SysTools.Option lo_opts)
+
+ return (LlvmLlc, dflags, maybe_loc, output_fn)
+ where
+ -- we always (unless -optlo specified) run Opt since we rely on it to
+ -- fix up some pretty big deficiencies in the code we generate
+ llvmOpts = ["-mem2reg", "-O1", "-O2"]
+
+
+-----------------------------------------------------------------------------
+-- LlvmLlc phase
+
+runPhase LlvmLlc _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
+ = liftIO $ do
+ let dflags = hsc_dflags hsc_env
+ let lc_opts = getOpts dflags opt_lc
+ let opt_lvl = max 0 (min 2 $ optLevel dflags)
+#if darwin_TARGET_OS
+ let nphase = LlvmMangle
+#else
+ let nphase = As
+#endif
+ let rmodel | opt_PIC = "pic"
+ | not opt_Static = "dynamic-no-pic"
+ | otherwise = "static"
+
+ output_fn <- get_output_fn dflags nphase maybe_loc
+
+ SysTools.runLlvmLlc dflags
+ ([ SysTools.Option (llvmOpts !! opt_lvl),
+ SysTools.Option $ "-relocation-model=" ++ rmodel,
+ SysTools.FileOption "" input_fn,
+ SysTools.Option "-o", SysTools.FileOption "" output_fn]
+ ++ map SysTools.Option lc_opts)
+
+ return (nphase, dflags, maybe_loc, output_fn)
+ where
+#if darwin_TARGET_OS
+ llvmOpts = ["-O1", "-O2", "-O2"]
+#else
+ llvmOpts = ["-O1", "-O2", "-O3"]
+#endif
+
+
+-----------------------------------------------------------------------------
+-- LlvmMangle phase
+
+runPhase LlvmMangle _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
+ = liftIO $ do
+ let dflags = hsc_dflags hsc_env
+ output_fn <- get_output_fn dflags As maybe_loc
+ llvmFixupAsm input_fn output_fn
+ return (As, dflags, maybe_loc, output_fn)
+
+
-- warning suppression
runPhase other _stop _dflags _basename _suff _input_fn _get_output_fn _maybe_loc =
panic ("runPhase: don't know how to run phase " ++ show other)
-----------------------------------------------------------------------------
-- MoveBinary sort-of-phase
-- After having produced a binary, move it somewhere else and generate a
--- wrapper script calling the binary. Currently, we need this only in
+-- 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 linkBinary below, after linking. I haven't made it
-- we don't need the generality of a phase (MoveBinary is always
-- done after linking and makes only sense in a parallel setup) -- HWL
-runPhase_MoveBinary :: DynFlags -> FilePath -> [PackageId] -> IO Bool
-runPhase_MoveBinary dflags input_fn dep_packages
+runPhase_MoveBinary :: DynFlags -> FilePath -> IO Bool
+runPhase_MoveBinary dflags input_fn
| WayPar `elem` (wayNames dflags) && not opt_Static =
- panic ("Don't know how to combine PVM wrapper and dynamic wrapper")
+ panic ("Don't know how to combine PVM wrapper and dynamic wrapper")
| WayPar `elem` (wayNames dflags) = do
let sysMan = pgm_sysman dflags
pvm_root <- getEnv "PVM_ROOT"
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?
- tryIO (removeFile pvm_executable)
+ _ <- tryIO (removeFile pvm_executable)
-- move the newly created binary into PVM land
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
- | not opt_Static =
- case (dynLibLoader dflags) of
- Wrapped wrapmode ->
- do
- let (o_base, o_ext) = splitExtension input_fn
- let wrapped_executable | o_ext == "exe" = (o_base ++ ".dyn") <.> o_ext
- | otherwise = input_fn ++ ".dyn"
- behaviour <- wrapper_behaviour dflags wrapmode dep_packages
-
- -- THINKME isn't this possible to do a bit nicer?
- let behaviour' = concatMap (\x -> if x=='\\' then "\\\\" else [x]) behaviour
- renameFile input_fn wrapped_executable
- let rtsDetails = (getPackageDetails (pkgState dflags) rtsPackageId);
- SysTools.runCc dflags
- ([ SysTools.FileOption "" ((head (libraryDirs rtsDetails)) ++ "/dyn-wrapper.c")
- , SysTools.Option ("-DBEHAVIOUR=\"" ++ behaviour' ++ "\"")
- , SysTools.Option "-o"
- , SysTools.FileOption "" input_fn
- ] ++ map (SysTools.FileOption "-I") (includeDirs rtsDetails))
- return True
- _ -> return True
+ return True
| otherwise = return True
-wrapper_behaviour :: DynFlags -> Maybe [Char] -> [PackageId] -> IO [Char]
-wrapper_behaviour dflags mode dep_packages =
- let seperateBySemiColon strs = tail $ concatMap (';':) strs
- in case mode of
- Nothing -> do
- pkg_lib_paths <- getPackageLibraryPath dflags dep_packages
- return ('H' : (seperateBySemiColon pkg_lib_paths))
- Just s -> do
- allpkg <- getPreloadPackagesAnd dflags dep_packages
- putStrLn (unwords (map (packageIdString . packageConfigId) allpkg))
- return $ 'F':s ++ ';':(seperateBySemiColon (map (packageIdString . packageConfigId) allpkg))
+mkExtraCObj :: DynFlags -> [String] -> IO FilePath
+mkExtraCObj dflags xs
+ = do cFile <- newTempName dflags "c"
+ oFile <- newTempName dflags "o"
+ writeFile cFile $ unlines xs
+ let rtsDetails = getPackageDetails (pkgState dflags) rtsPackageId
+ (md_c_flags, _) = machdepCCOpts dflags
+ SysTools.runCc dflags
+ ([Option "-c",
+ FileOption "" cFile,
+ Option "-o",
+ FileOption "" oFile] ++
+ map (FileOption "-I") (includeDirs rtsDetails) ++
+ map Option md_c_flags)
+ return oFile
-- generates a Perl skript starting a parallel prg under PVM
mk_pvm_wrapper_script :: String -> String -> String -> String
mk_pvm_wrapper_script pvm_executable pvm_executable_base sysMan = unlines $
[
- "eval 'exec perl -S $0 ${1+\"$@\"}'",
+ "eval 'exec perl -S $0 ${1+\"$@\"}'",
" if $running_under_some_shell;",
"# =!=!=!=!=!=!=!=!=!=!=!",
"# This script is automatically generated: DO NOT EDIT!!!",
l <- hGetLine h
case l of
'/':'*':' ':'G':'H':'C':'_':'P':'A':'C':'K':'A':'G':'E':'S':rest ->
- return (map stringToPackageId (words rest))
+ return (map stringToPackageId (words rest))
_other ->
- return []
+ return []
-----------------------------------------------------------------------------
-- Static linking, of .o files
-- The list of packages passed to link is the list of packages on
-- which this program depends, as discovered by the compilation
-- manager. It is combined with the list of packages that the user
--- specifies on the command line with -package flags.
+-- specifies on the command line with -package flags.
--
-- In one-shot linking mode, we can't discover the package
-- dependencies (because we haven't actually done any compilation or
pkg_lib_paths <- getPackageLibraryPath dflags dep_packages
let pkg_lib_path_opts = concat (map get_pkg_lib_path_opts pkg_lib_paths)
-#ifdef linux_TARGET_OS
+#ifdef elf_OBJ_FORMAT
get_pkg_lib_path_opts l | (dynLibLoader dflags)==SystemDependent && not opt_Static = ["-L" ++ l, "-Wl,-rpath", "-Wl," ++ l]
| otherwise = ["-L" ++ l]
#else
let lib_paths = libraryPaths dflags
let lib_path_opts = map ("-L"++) lib_paths
+ -- The C "main" function is not in the rts but in a separate static
+ -- library libHSrtsmain.a that sits next to the rts lib files. Assuming
+ -- we're using a Haskell main function then we need to link it in.
+ let no_hs_main = dopt Opt_NoHsMain dflags
+ let main_lib | no_hs_main = []
+ | otherwise = [ "-lHSrtsmain" ]
+ let mkRtsEnabledObj val = do fn <- mkExtraCObj dflags
+ ["#include \"Rts.h\"",
+ "#include \"RtsOpts.h\"",
+ "const rtsOptsEnabledEnum rtsOptsEnabled = "
+ ++ val ++ ";"]
+ return [fn]
+ rtsEnabledObj <- case rtsOptsEnabled dflags of
+ RtsOptsNone -> mkRtsEnabledObj "rtsOptsNone"
+ RtsOptsSafeOnly -> return []
+ RtsOptsAll -> mkRtsEnabledObj "rtsOptsAll"
+ rtsOptsObj <- case rtsOpts dflags of
+ Just opts ->
+ do fn <- mkExtraCObj dflags
+ -- We assume that the Haskell "show" does
+ -- the right thing here
+ ["char *ghc_rts_opts = " ++ show opts ++ ";"]
+ return [fn]
+ Nothing -> return []
+
pkg_link_opts <- getPackageLinkOpts dflags dep_packages
#ifdef darwin_TARGET_OS
pkg_frameworks <- getPackageFrameworks dflags dep_packages
let pkg_framework_opts = concat [ ["-framework", fw] | fw <- pkg_frameworks ]
-
+
let frameworks = cmdlineFrameworks dflags
framework_opts = concat [ ["-framework", fw] | fw <- reverse frameworks ]
- -- reverse because they're added in reverse order from the cmd line
+ -- reverse because they're added in reverse order from the cmd line
#endif
-#ifdef mingw32_TARGET_OS
- let dynMain = if not opt_Static then
- (head (libraryDirs (getPackageDetails (pkgState dflags) rtsPackageId))) ++ "/Main.dyn_o"
- else
- ""
-#endif
- -- probably _stub.o files
+ -- probably _stub.o files
extra_ld_inputs <- readIORef v_Ld_inputs
- -- opts from -optl-<blah> (including -l<blah> options)
+ -- opts from -optl-<blah> (including -l<blah> options)
let extra_ld_opts = getOpts dflags opt_l
let ways = wayNames dflags
-- the command line, because they contain symbols that are referred to
-- by the RTS. We can't therefore use the ordinary way opts for these.
let
- debug_opts | WayDebug `elem` ways = [
+ debug_opts | WayDebug `elem` ways = [
#if defined(HAVE_LIBBFD)
- "-lbfd", "-liberty"
+ "-lbfd", "-liberty"
#endif
- ]
- | otherwise = []
+ ]
+ | otherwise = []
let
- thread_opts | WayThreaded `elem` ways = [
-#if !defined(mingw32_TARGET_OS) && !defined(freebsd_TARGET_OS)
- "-lpthread"
+ thread_opts | WayThreaded `elem` ways = [
+#if !defined(mingw32_TARGET_OS) && !defined(freebsd_TARGET_OS) && !defined(openbsd_TARGET_OS) && !defined(haiku_TARGET_OS)
+ "-lpthread"
#endif
#if defined(osf3_TARGET_OS)
- , "-lexc"
+ , "-lexc"
#endif
- ]
- | otherwise = []
+ ]
+ | otherwise = []
rc_objs <- maybeCreateManifest dflags output_fn
let (md_c_flags, _) = machdepCCOpts dflags
- SysTools.runLink dflags (
- [ SysTools.Option verb
- , SysTools.Option "-o"
- , SysTools.FileOption "" output_fn
- ]
- ++ map SysTools.Option (
- md_c_flags
- ++ o_files
+ SysTools.runLink dflags (
+ [ SysTools.Option verb
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ]
+ ++ map SysTools.Option (
+ md_c_flags
+
#ifdef mingw32_TARGET_OS
- ++ [dynMain]
+ -- Permit the linker to auto link _symbol to _imp_symbol.
+ -- This lets us link against DLLs without needing an "import library".
+ ++ ["-Wl,--enable-auto-import"]
#endif
- ++ extra_ld_inputs
- ++ lib_path_opts
- ++ extra_ld_opts
+ ++ o_files
+ ++ extra_ld_inputs
+ ++ lib_path_opts
+ ++ extra_ld_opts
++ rc_objs
#ifdef darwin_TARGET_OS
- ++ framework_path_opts
- ++ framework_opts
+ ++ framework_path_opts
+ ++ framework_opts
#endif
- ++ pkg_lib_path_opts
- ++ pkg_link_opts
+ ++ pkg_lib_path_opts
+ ++ main_lib
+ ++ rtsEnabledObj
+ ++ rtsOptsObj
+ ++ pkg_link_opts
#ifdef darwin_TARGET_OS
- ++ pkg_framework_path_opts
- ++ pkg_framework_opts
+ ++ pkg_framework_path_opts
+ ++ pkg_framework_opts
#endif
- ++ debug_opts
- ++ thread_opts
- ))
+ ++ debug_opts
+ ++ thread_opts
+ ))
-- parallel only: move binary to another dir -- HWL
- success <- runPhase_MoveBinary dflags output_fn dep_packages
+ success <- runPhase_MoveBinary dflags output_fn
if success then return ()
else ghcError (InstallationError ("cannot move binary"))
#else
s
#endif
- | otherwise =
+ | otherwise =
#if defined(mingw32_HOST_OS)
- "main.exe"
+ "main.exe"
#else
- "a.out"
+ "a.out"
#endif
maybeCreateManifest
let manifest_filename = exe_filename <.> "manifest"
- writeFile manifest_filename $
+ writeFile manifest_filename $
"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n"++
" <assembly xmlns=\"urn:schemas-microsoft-com:asm.v1\" manifestVersion=\"1.0\">\n"++
" <assemblyIdentity version=\"1.0.0.0\"\n"++
let wr_opts = getOpts dflags opt_windres
runWindres dflags $ map SysTools.Option $
- ["--input="++rc_filename,
+ ["--input="++rc_filename,
"--output="++rc_obj_filename,
- "--output-format=coff"]
+ "--output-format=coff"]
++ wr_opts
-- no FileOptions here: windres doesn't like seeing
-- backslashes, apparently
+ removeFile manifest_filename
+
return [rc_obj_filename]
#endif
let verb = getVerbFlag dflags
let o_file = outputFile dflags
+ pkgs <- getPreloadPackagesAnd dflags dep_packages
+
+ let pkg_lib_paths = collectLibraryPaths pkgs
+ let pkg_lib_path_opts = concatMap get_pkg_lib_path_opts pkg_lib_paths
+#ifdef elf_OBJ_FORMAT
+ get_pkg_lib_path_opts l | (dynLibLoader dflags)==SystemDependent && not opt_Static = ["-L" ++ l, "-Wl,-rpath", "-Wl," ++ l]
+ | otherwise = ["-L" ++ l]
+#else
+ get_pkg_lib_path_opts l = ["-L" ++ l]
+#endif
+
+ let lib_paths = libraryPaths dflags
+ let lib_path_opts = map ("-L"++) lib_paths
+
-- We don't want to link our dynamic libs against the RTS package,
-- because the RTS lib comes in several flavours and we want to be
-- able to pick the flavour when a binary is linked.
- pkgs <- getPreloadPackagesAnd dflags dep_packages
-
-- On Windows we need to link the RTS import lib as Windows does
-- not allow undefined symbols.
+ -- The RTS library path is still added to the library search path
+ -- above in case the RTS is being explicitly linked in (see #3807).
#if !defined(mingw32_HOST_OS)
let pkgs_no_rts = filter ((/= rtsPackageId) . packageConfigId) pkgs
#else
let pkgs_no_rts = pkgs
#endif
- let pkg_lib_paths = collectLibraryPaths pkgs_no_rts
- let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths
-
- let lib_paths = libraryPaths dflags
- let lib_path_opts = map ("-L"++) lib_paths
-
let pkg_link_opts = collectLinkOpts dflags pkgs_no_rts
- -- probably _stub.o files
+ -- probably _stub.o files
extra_ld_inputs <- readIORef v_Ld_inputs
let (md_c_flags, _) = machdepCCOpts dflags
let output_fn = case o_file of { Just s -> s; Nothing -> "HSdll.dll"; }
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
- ))
+ ([ SysTools.Option verb
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ , SysTools.Option "-shared"
+ ] ++
+ [ SysTools.FileOption "-Wl,--out-implib=" (output_fn ++ ".a")
+ | dopt Opt_SharedImplib dflags
+ ]
+ ++ map (SysTools.FileOption "") o_files
+ ++ map SysTools.Option (
+ md_c_flags
+
+ -- Permit the linker to auto link _symbol to _imp_symbol
+ -- This lets us link against DLLs without needing an "import library"
+ ++ ["-Wl,--enable-auto-import"]
+
+ ++ 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
-- -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.
+ -- 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.
+ -- 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).
-- -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.
+ -- Mac OS/X stores the path where a dynamic library is (to be) installed
+ -- in the library itself. It's called the "install name" of the library.
+ -- Then any library or executable that links against it before it's
+ -- installed will search for it in its ultimate install location. By
+ -- default we set the install name to the absolute path at build time, but
+ -- it can be overridden by the -dylib-install-name option passed to ghc.
+ -- Cabal does this.
-----------------------------------------------------------------------------
let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; }
- pwd <- getCurrentDirectory
+ instName <- case dylibInstallName dflags of
+ Just n -> return n
+ Nothing -> do
+ pwd <- getCurrentDirectory
+ return $ pwd `combine` output_fn
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 </> output_fn) ]
- ++ extra_ld_inputs
- ++ lib_path_opts
- ++ extra_ld_opts
- ++ pkg_lib_path_opts
- ++ pkg_link_opts
- ))
+ ([ 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,-read_only_relocs,suppress", "-install_name", instName ]
+ ++ extra_ld_inputs
+ ++ lib_path_opts
+ ++ extra_ld_opts
+ ++ pkg_lib_path_opts
+ ++ pkg_link_opts
+ ))
#else
-----------------------------------------------------------------------------
-- Making a DSO
-----------------------------------------------------------------------------
let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; }
+ let buildingRts = thisPackage dflags == rtsPackageId
+ let bsymbolicFlag = if buildingRts
+ then -- -Bsymbolic breaks the way we implement
+ -- hooks in the RTS
+ []
+ else -- we need symbolic linking to resolve
+ -- non-PIC intra-package-relocations
+ ["-Wl,-Bsymbolic"]
SysTools.runLink dflags
- ([ SysTools.Option verb
- , SysTools.Option "-o"
- , SysTools.FileOption "" output_fn
- ]
- ++ map SysTools.Option (
- md_c_flags
- ++ o_files
- ++ [ "-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
- ))
+ ([ SysTools.Option verb
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ]
+ ++ map SysTools.Option (
+ md_c_flags
+ ++ o_files
+ ++ [ "-shared" ]
+ ++ bsymbolicFlag
+ ++ [ "-Wl,-soname," ++ takeFileName output_fn ] -- set the library soname
+ ++ extra_ld_inputs
+ ++ lib_path_opts
+ ++ extra_ld_opts
+ ++ pkg_lib_path_opts
+ ++ pkg_link_opts
+ ))
#endif
-- -----------------------------------------------------------------------------
-- Running CPP
pkg_include_dirs <- getPackageIncludePath dflags []
let include_paths = foldr (\ x xs -> "-I" : x : xs) []
- (cmdline_include_paths ++ pkg_include_dirs)
+ (cmdline_include_paths ++ pkg_include_dirs)
let verb = getVerbFlag dflags
let cc_opts
- | not include_cc_opts = []
- | otherwise = (optc ++ md_c_flags)
- where
- optc = getOpts dflags opt_c
- (md_c_flags, _) = machdepCCOpts dflags
+ | not include_cc_opts = []
+ | otherwise = (optc ++ md_c_flags)
+ where
+ optc = getOpts dflags opt_c
+ (md_c_flags, _) = machdepCCOpts dflags
let cpp_prog args | raw = SysTools.runCpp dflags args
- | otherwise = SysTools.runCc dflags (SysTools.Option "-E" : args)
+ | otherwise = SysTools.runCc dflags (SysTools.Option "-E" : args)
- let target_defs =
- [ "-D" ++ HOST_OS ++ "_BUILD_OS=1",
- "-D" ++ HOST_ARCH ++ "_BUILD_ARCH=1",
- "-D" ++ TARGET_OS ++ "_HOST_OS=1",
- "-D" ++ TARGET_ARCH ++ "_HOST_ARCH=1" ]
- -- remember, in code we *compile*, the HOST is the same our TARGET,
- -- and BUILD is the same as our HOST.
+ let target_defs =
+ [ "-D" ++ HOST_OS ++ "_BUILD_OS=1",
+ "-D" ++ HOST_ARCH ++ "_BUILD_ARCH=1",
+ "-D" ++ TARGET_OS ++ "_HOST_OS=1",
+ "-D" ++ TARGET_ARCH ++ "_HOST_ARCH=1" ]
+ -- remember, in code we *compile*, the HOST is the same our TARGET,
+ -- and BUILD is the same as our HOST.
cpp_prog ([SysTools.Option verb]
- ++ map SysTools.Option include_paths
- ++ map SysTools.Option hsSourceCppOpts
- ++ map SysTools.Option hscpp_opts
- ++ map SysTools.Option cc_opts
- ++ map SysTools.Option target_defs
- ++ [ SysTools.Option "-x"
- , SysTools.Option "c"
- , SysTools.Option input_fn
- -- We hackily use Option instead of FileOption here, so that the file
- -- name is not back-slashed on Windows. cpp is capable of
- -- dealing with / in filenames, so it works fine. Furthermore
- -- if we put in backslashes, cpp outputs #line directives
- -- with *double* backslashes. And that in turn means that
- -- our error messages get double backslashes in them.
- -- In due course we should arrange that the lexer deals
- -- with these \\ escapes properly.
- , SysTools.Option "-o"
- , SysTools.FileOption "" output_fn
- ])
+ ++ map SysTools.Option include_paths
+ ++ map SysTools.Option hsSourceCppOpts
+ ++ map SysTools.Option target_defs
+ ++ map SysTools.Option hscpp_opts
+ ++ map SysTools.Option cc_opts
+ ++ [ SysTools.Option "-x"
+ , SysTools.Option "c"
+ , SysTools.Option input_fn
+ -- We hackily use Option instead of FileOption here, so that the file
+ -- name is not back-slashed on Windows. cpp is capable of
+ -- dealing with / in filenames, so it works fine. Furthermore
+ -- if we put in backslashes, cpp outputs #line directives
+ -- with *double* backslashes. And that in turn means that
+ -- our error messages get double backslashes in them.
+ -- In due course we should arrange that the lexer deals
+ -- with these \\ escapes properly.
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ])
cHaskell1Version :: String
cHaskell1Version = "5" -- i.e., Haskell 98
hsSourceCppOpts :: [String]
-- Default CPP defines in Haskell source
hsSourceCppOpts =
- [ "-D__HASKELL1__="++cHaskell1Version
- , "-D__GLASGOW_HASKELL__="++cProjectVersionInt
- , "-D__HASKELL98__"
- , "-D__CONCURRENT_HASKELL__"
- ]
+ [ "-D__HASKELL1__="++cHaskell1Version
+ , "-D__GLASGOW_HASKELL__="++cProjectVersionInt
+ , "-D__HASKELL98__"
+ , "-D__CONCURRENT_HASKELL__"
+ ]
-- -----------------------------------------------------------------------------
hscNextPhase :: DynFlags -> HscSource -> HscTarget -> Phase
hscNextPhase _ HsBootFile _ = StopLn
-hscNextPhase dflags _ hsc_lang =
+hscNextPhase dflags _ hsc_lang =
case hsc_lang of
- HscC -> HCc
- HscAsm | dopt Opt_SplitObjs dflags -> SplitMangle
- | otherwise -> As
- HscNothing -> StopLn
- HscInterpreted -> StopLn
- _other -> StopLn
+ HscC -> HCc
+ HscAsm | dopt Opt_SplitObjs dflags -> SplitMangle
+ | otherwise -> As
+ HscLlvm -> LlvmOpt
+ HscNothing -> StopLn
+ HscInterpreted -> StopLn
+ _other -> StopLn
hscMaybeAdjustTarget :: DynFlags -> Phase -> HscSource -> HscTarget -> HscTarget
-hscMaybeAdjustTarget dflags stop _ current_hsc_lang
- = hsc_lang
+hscMaybeAdjustTarget dflags stop _ current_hsc_lang
+ = hsc_lang
where
- keep_hc = dopt Opt_KeepHcFiles dflags
- hsc_lang
- -- don't change the lang if we're interpreting
- | current_hsc_lang == HscInterpreted = current_hsc_lang
-
- -- force -fvia-C if we are being asked for a .hc file
- | HCc <- stop = HscC
- | keep_hc = HscC
- -- otherwise, stick to the plan
- | otherwise = current_hsc_lang
-
-GLOBAL_VAR(v_Split_info, ("",0), (String,Int))
- -- The split prefix and number of files
+ keep_hc = dopt Opt_KeepHcFiles dflags
+ hsc_lang
+ -- don't change the lang if we're interpreting
+ | current_hsc_lang == HscInterpreted = current_hsc_lang
+
+ -- force -fvia-C if we are being asked for a .hc file
+ | HCc <- stop = HscC
+ | keep_hc = HscC
+ -- otherwise, stick to the plan
+ | otherwise = current_hsc_lang
+
projects / ghc-hetmet.git / blobdiff