gcc_extra_viac_flags <- io $ getExtraViaCOpts dflags
let pic_c_flags = picCCOpts dflags
- let verb = getVerbFlag dflags
+ let verbFlags = getVerbFlags dflags
-- cc-options are not passed when compiling .hc files. Our
-- hc code doesn't not #include any header files anyway, so these
++ (if hcc
then gcc_extra_viac_flags ++ more_hcc_opts
else [])
- ++ [ verb, "-S", "-Wimplicit", cc_opt ]
+ ++ verbFlags
+ ++ [ "-S", "-Wimplicit", cc_opt ]
++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ]
#ifdef darwin_TARGET_OS
++ framework_paths
Just x -> x
let split_s n = split_s_prefix ++ "__" ++ show n <.> "s"
+
+ split_obj :: Int -> FilePath
split_obj n = split_odir </>
takeFileName base_o ++ "__" ++ show n <.> osuf
io $ mapM_ assemble_file [1..n]
- -- If there's a stub_o file, then we make it the n+1th split object.
+ -- Note [pipeline-split-init]
+ -- If we have a stub file, it may contain constructor
+ -- functions for initialisation of this module. We can't
+ -- simply leave the stub as a separate object file, because it
+ -- will never be linked in: nothing refers to it. We need to
+ -- ensure that if we ever refer to the data in this module
+ -- that needs initialisation, then we also pull in the
+ -- initialisation routine.
+ --
+ -- To that end, we make a DANGEROUS ASSUMPTION here: the data
+ -- that needs to be initialised is all in the FIRST split
+ -- object. See Note [codegen-split-init].
+
PipeState{maybe_stub_o} <- getPipeState
- n' <- case maybe_stub_o of
- Nothing -> return n
- Just stub_o -> do io $ copyFile stub_o (split_obj (n+1))
- return (n+1)
+ case maybe_stub_o of
+ Nothing -> return ()
+ Just stub_o -> io $ do
+ tmp_split_1 <- newTempName dflags osuf
+ let split_1 = split_obj 1
+ copyFile split_1 tmp_split_1
+ removeFile split_1
+ joinObjectFiles dflags [tmp_split_1, stub_o] split_1
-- join them into a single .o file
- io $ joinObjectFiles dflags (map split_obj [1..n']) output_fn
+ io $ joinObjectFiles dflags (map split_obj [1..n]) output_fn
return (next_phase, output_fn)
link_info <- getLinkInfo dflags dep_packages
mkExtraCObj dflags (showSDoc (vcat [rts_opts_enabled,
extra_rts_opts,
- link_opts link_info]))
+ link_opts link_info]
+ <> char '\n')) -- final newline, to
+ -- keep gcc happy
+
where
mk_rts_opts_enabled val
= vcat [text "#include \"Rts.h\"",
linkBinary :: DynFlags -> [FilePath] -> [PackageId] -> IO ()
linkBinary dflags o_files dep_packages = do
- let verb = getVerbFlag dflags
+ let verbFlags = getVerbFlags dflags
output_fn = exeFileName dflags
-- get the full list of packages to link with, by combining the
let md_c_flags = machdepCCOpts dflags
SysTools.runLink dflags (
- [ SysTools.Option verb
- , SysTools.Option "-o"
- , SysTools.FileOption "" output_fn
- ]
+ map SysTools.Option verbFlags
+ ++ [ SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ]
++ map SysTools.Option (
md_c_flags
linkDynLib :: DynFlags -> [String] -> [PackageId] -> IO ()
linkDynLib dflags o_files dep_packages = do
- let verb = getVerbFlag dflags
+ let verbFlags = getVerbFlags dflags
let o_file = outputFile dflags
pkgs <- getPreloadPackagesAnd dflags dep_packages
-----------------------------------------------------------------------------
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")
- | dopt Opt_SharedImplib dflags
- ]
+ SysTools.runLink dflags (
+ map SysTools.Option verbFlags
+ ++ [ 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
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
- ]
+ SysTools.runLink dflags (
+ map SysTools.Option verbFlags
+ ++ [ SysTools.Option "-dynamiclib"
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ]
++ map SysTools.Option (
md_c_flags
++ o_files
-- non-PIC intra-package-relocations
["-Wl,-Bsymbolic"]
- SysTools.runLink dflags
- ([ SysTools.Option verb
- , SysTools.Option "-o"
- , SysTools.FileOption "" output_fn
- ]
+ SysTools.runLink dflags (
+ map SysTools.Option verbFlags
+ ++ [ SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ]
++ map SysTools.Option (
md_c_flags
++ o_files
let include_paths = foldr (\ x xs -> "-I" : x : xs) []
(cmdline_include_paths ++ pkg_include_dirs)
- let verb = getVerbFlag dflags
+ let verbFlags = getVerbFlags dflags
let cc_opts
| not include_cc_opts = []
-- 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]
+ cpp_prog ( map SysTools.Option verbFlags
++ map SysTools.Option include_paths
++ map SysTools.Option hsSourceCppOpts
++ map SysTools.Option target_defs
SysTools.Option "-nostdlib",
SysTools.Option "-nodefaultlibs",
SysTools.Option "-Wl,-r",
+ SysTools.Option ld_build_id,
SysTools.Option ld_x_flag,
SysTools.Option "-o",
SysTools.FileOption "" output_fn ]
++ map SysTools.Option md_c_flags
++ args)
+
ld_x_flag | null cLD_X = ""
| otherwise = "-Wl,-x"
+ -- suppress the generation of the .note.gnu.build-id section,
+ -- which we don't need and sometimes causes ld to emit a
+ -- warning:
+ ld_build_id | cLdHasBuildId == "YES" = "-Wl,--build-id=none"
+ | otherwise = ""
+
md_c_flags = machdepCCOpts dflags
if cLdIsGNULd == "YES"
projects / ghc-hetmet.git / blobdiff