let dflags' = dflags { hscTarget = hsc_lang,
hscOutName = output_fn,
- hscStubCOutName = basename ++ "_stub.c",
- hscStubHOutName = basename ++ "_stub.h",
extCoreName = basename ++ ".hcr" }
-- -no-recomp should also work with --make
-> do
stub_unlinked <-
if stub_c_exists then do
- stub_o <- compileStub dflags' object_filename
+ stub_o <- compileStub dflags' this_mod location
return [ DotO stub_o ]
else
return []
-----------------------------------------------------------------------------
-- stub .h and .c files (for foreign export support)
--- The _stub.c file is derived from the haskell source file (but stored
--- in hscStubCOutName in the dflags for some reason, probably historical).
+-- The _stub.c file is derived from the haskell source file, possibly taking
+-- into account the -stubdir option.
+--
-- Consequently, we derive the _stub.o filename from the haskell object
-- filename.
--
-- -odir obj, we would get obj/src/A_stub.o, which is wrong; we want
-- obj/A_stub.o.
-compileStub dflags object_filename = do
- let (o_base, o_ext) = splitFilename object_filename
+compileStub :: DynFlags -> Module -> ModLocation -> IO FilePath
+compileStub dflags mod location = do
+ let (o_base, o_ext) = splitFilename (ml_obj_file location)
stub_o = o_base ++ "_stub" `joinFileExt` o_ext
-- compile the _stub.c file w/ gcc
- let stub_c = hscStubCOutName dflags
+ let (stub_c,_) = mkStubPaths dflags mod location
runPipeline StopLn dflags (stub_c,Nothing)
(SpecificFile stub_o) Nothing{-no ModLocation-}
return Succeeded
else do
- debugTraceMsg dflags 1 (text "Linking ...")
-
let getOfiles (LM _ _ us) = map nameOfObject (filter isObject us)
obj_files = concatMap getOfiles linkables
return Succeeded
else do
- debugTraceMsg dflags 1 (ptext SLIT("Linking ..."))
+ debugTraceMsg dflags 1 (ptext SLIT("Linking") <+> text exe_file
+ <+> text "...")
-- Don't showPass in Batch mode; doLink will do that for us.
- staticLink dflags obj_files pkg_deps
+ let link = case ghcLink dflags of
+ MkDLL -> doMkDLL
+ StaticLink -> staticLink
+ link dflags obj_files pkg_deps
debugTraceMsg dflags 3 (text "link: done")
= func
where
hcsuf = hcSuf dflags
- odir = outputDir dflags
+ odir = objectDir dflags
osuf = objectSuf dflags
keep_hc = dopt Opt_KeepHcFiles dflags
keep_raw_s = dopt Opt_KeepRawSFiles dflags
let dflags' = dflags { hscTarget = hsc_lang,
hscOutName = output_fn,
- hscStubCOutName = basename ++ "_stub.c",
- hscStubHOutName = basename ++ "_stub.h",
extCoreName = basename ++ ".hcr" }
hsc_env <- newHscEnv dflags'
_maybe_interpreted_code -> do
when stub_c_exists $ do
- stub_o <- compileStub dflags' o_file
+ stub_o <- compileStub dflags' mod_name location4
consIORef v_Ld_inputs stub_o
-- In the case of hs-boot files, generate a dummy .o-boot
let dflags' = dflags { hscTarget = hsc_lang,
hscOutName = output_fn,
- hscStubCOutName = basename ++ "_stub.c",
- hscStubHOutName = basename ++ "_stub.h",
extCoreName = basename ++ ".hcr" }
ok <- hscCmmFile dflags' input_fn
let excessPrecision = dopt Opt_ExcessPrecision dflags
+ let cc_opt | optLevel dflags >= 2 = "-O2"
+ | otherwise = "-O"
+
-- Decide next phase
let mangle = dopt Opt_DoAsmMangling dflags
| otherwise = As
output_fn <- get_output_fn next_phase maybe_loc
+ 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 excessPrecision 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"]
+
+
+
SysTools.runCc dflags (
-- force the C compiler to interpret this file as C when
-- compiling .hc files, by adding the -x c option.
++ (if hcc && mangle
then md_regd_c_flags
else [])
- ++ [ verb, "-S", "-Wimplicit", "-O" ]
+ ++ (if hcc
+ then more_hcc_opts
+ else [])
+ ++ [ verb, "-S", "-Wimplicit", cc_opt ]
++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ]
++ cc_opts
++ split_opt
- ++ (if excessPrecision then [] else [ "-ffloat-store" ])
++ include_paths
++ pkg_extra_cc_opts
))
(split_s_prefix, n) <- readIORef v_Split_info
let real_odir
- | Just d <- outputDir dflags = d
+ | Just d <- objectDir dflags = d
| otherwise = basename ++ "_split"
let assemble_file n
exeFileName :: DynFlags -> FilePath
exeFileName dflags
- | Just s <- outputFile dflags = s
+ | Just s <- outputFile dflags =
+#if defined(mingw32_HOST_OS)
+ if null (suffixOf s)
+ then s `joinFileExt` "exe"
+ else s
+#else
+ s
+#endif
| otherwise =
#if defined(mingw32_HOST_OS)
"main.exe"
| otherwise -> return []
getOptionsFromStringBuffer :: StringBuffer -> FilePath -> [(Int,String)]
-getOptionsFromStringBuffer buffer@(StringBuffer _ len# _) fn =
+getOptionsFromStringBuffer buffer@(StringBuffer _ len _) fn =
let
- ls = lines (lexemeToString buffer (I# len#)) -- lazy, so it's ok
+ ls = lines (lexemeToString buffer len) -- lazy, so it's ok
in
look 1 ls
where