<+> 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")
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
))
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