X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverPipeline.hs;h=401032bb3abe0b8a0f6f87091cecc9a7436d98f0;hb=c66f666e3ac615be4b58eb44667b9a0830d29253;hp=5a433fad274885573454691c282f15a2ffed0aba;hpb=cf2aab8a7cb0b74ec23453639503dd8c6f8e1353;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverPipeline.hs b/ghc/compiler/main/DriverPipeline.hs index 5a433fa..401032b 100644 --- a/ghc/compiler/main/DriverPipeline.hs +++ b/ghc/compiler/main/DriverPipeline.hs @@ -1,5 +1,5 @@ ----------------------------------------------------------------------------- --- $Id: DriverPipeline.hs,v 1.55 2001/03/15 11:26:27 simonmar Exp $ +-- $Id: DriverPipeline.hs,v 1.74 2001/06/01 17:14:08 apt Exp $ -- -- GHC Driver -- @@ -94,7 +94,7 @@ getGhcMode flags ([] , rest) -> return (rest, DoLink, "") -- default is to do linking ([(flag,one)], rest) -> return (rest, one, flag) (_ , _ ) -> - throwDyn (OtherError + throwDyn (UsageError "only one of the flags -M, -E, -C, -S, -c, --make, --interactive, -mk-dll is allowed") ----------------------------------------------------------------------------- @@ -149,6 +149,7 @@ genPipeline todo stop_flag persistent_output lang filename keep_raw_s <- readIORef v_Keep_raw_s_files keep_s <- readIORef v_Keep_s_files osuf <- readIORef v_Object_suf + hcsuf <- readIORef v_HC_suf let ----------- ----- ---- --- -- -- - - - @@ -164,8 +165,8 @@ genPipeline todo stop_flag persistent_output lang filename cish = cish_suffix suffix -- for a .hc file we need to force lang to HscC - real_lang | start_phase == HCc = HscC - | otherwise = lang + real_lang | start_phase == HCc || start_phase == Mangle = HscC + | otherwise = lang let ----------- ----- ---- --- -- -- - - - @@ -185,30 +186,29 @@ genPipeline todo stop_flag persistent_output lang filename HscJava | split -> not_valid | otherwise -> error "not implemented: compiling via Java" -#ifdef ILX HscILX | split -> not_valid | otherwise -> [ Unlit, Cpp, Hsc ] -#endif | cish = [ Cc, As ] | otherwise = [ ] -- just pass this file through to the linker -- ToDo: this is somewhat cryptic - not_valid = throwDyn (OtherError ("invalid option combination")) + + not_valid = throwDyn (UsageError ("invalid option combination")) ----------- ----- ---- --- -- -- - - - -- this shouldn't happen. if start_phase /= Ln && start_phase `notElem` pipeline - then throwDyn (OtherError ("can't find starting phase for " - ++ filename)) + then throwDyn (CmdLineError ("can't find starting phase for " + ++ filename)) else do let - ----------- ----- ---- --- -- -- - - - - myPhaseInputExt Ln = case osuf of Nothing -> phaseInputExt Ln - Just s -> s - myPhaseInputExt other = phaseInputExt other + -- .o and .hc suffixes can be overriden by command-line options: + myPhaseInputExt Ln | Just s <- osuf = s + myPhaseInputExt HCc | Just s <- hcsuf = s + myPhaseInputExt other = phaseInputExt other annotatePipeline :: [Phase] -- raw pipeline @@ -240,7 +240,8 @@ genPipeline todo stop_flag persistent_output lang filename StopBefore phase -> phase DoMkDependHS -> Ln DoLink -> Ln - annotated_pipeline = annotatePipeline (pipeline ++ [ Ln ]) stop_phase + + annotated_pipeline = annotatePipeline (pipeline ++ [Ln]) stop_phase phase_ne p (p1,_,_) = (p1 /= p) ----------- ----- ---- --- -- -- - - - @@ -251,7 +252,7 @@ genPipeline todo stop_flag persistent_output lang filename -- is already in linkable form (for example). if start_phase `elem` pipeline && (stop_phase /= Ln && stop_phase `notElem` pipeline) - then throwDyn (OtherError + then throwDyn (UsageError ("flag " ++ stop_flag ++ " is incompatible with source file `" ++ filename ++ "'")) else do @@ -310,8 +311,10 @@ run_phase Unlit _basename _suff input_fn output_fn = do unlit <- readIORef v_Pgm_L unlit_flags <- getOpts opt_L runSomething "Literate pre-processor" - ("echo '# 1 \"" ++input_fn++"\"' > "++output_fn++" && " - ++ unlit ++ ' ':input_fn ++ " - >> " ++ output_fn) + (unlit ++ unwords unlit_flags ++ + " -h " ++ input_fn ++ + ' ':input_fn ++ + ' ':output_fn) return True ------------------------------------------------------------------------------- @@ -320,17 +323,12 @@ run_phase Unlit _basename _suff input_fn output_fn run_phase Cpp basename suff input_fn output_fn = do src_opts <- getOptionsFromSource input_fn unhandled_flags <- processArgs dynamic_flags src_opts [] - - when (not (null unhandled_flags)) - (throwDyn (OtherError ( - basename ++ "." ++ suff - ++ ": static flags are not allowed in {-# OPTIONS #-} pragmas:\n\t" - ++ unwords unhandled_flags)) (ExitFailure 1)) + checkProcessArgsResult unhandled_flags basename suff do_cpp <- dynFlag cppFlag if do_cpp then do - cpp <- readIORef v_Pgm_P + cpp <- readIORef v_Pgm_P >>= prependToolDir hscpp_opts <- getOpts opt_P hs_src_cpp_opts <- readIORef v_Hs_source_cpp_opts @@ -344,19 +342,31 @@ run_phase Cpp basename suff input_fn output_fn runSomething "C pre-processor" (unwords - (["echo '{-# LINE 1 \"" ++ input_fn ++ "\" #-}'", ">", output_fn, "&&", - cpp, verb] + ([cpp, verb] ++ include_paths ++ hs_src_cpp_opts ++ hscpp_opts ++ md_c_flags - ++ [ "-x", "c", input_fn, ">>", output_fn ] + ++ [ "-x", "c", input_fn, "-o", output_fn ] )) + -- ToDo: switch away from using 'echo' alltogether (but need + -- a faster alternative than what's done below). +#if defined(mingw32_TARGET_OS) && defined(MINIMAL_UNIX_DEPS) + else (do + h <- openFile output_fn WriteMode + hPutStrLn h ("{-# LINE 1 \"" ++ input_fn ++ "\" #-}") + ls <- readFile input_fn -- inefficient, but it'll do for now. + -- ToDo: speed up via slurping. + hPutStrLn h ls + hClose h) `catchAllIO` + (\_ -> throwDyn (PhaseFailed "Ineffective C pre-processor" (ExitFailure 1))) +#else else do runSomething "Ineffective C pre-processor" ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" #-}' > " ++ output_fn ++ " && cat " ++ input_fn ++ " >> " ++ output_fn) +#endif return True ----------------------------------------------------------------------------- @@ -366,8 +376,9 @@ run_phase MkDependHS basename suff input_fn _output_fn = do src <- readFile input_fn let (import_sources, import_normals, module_name) = getImports src - deps_sources <- mapM (findDependency True basename) import_sources - deps_normals <- mapM (findDependency False basename) import_normals + let orig_fn = basename ++ '.':suff + deps_sources <- mapM (findDependency True orig_fn) import_sources + deps_normals <- mapM (findDependency False orig_fn) import_normals let deps = deps_sources ++ deps_normals osuf_opt <- readIORef v_Object_suf @@ -434,12 +445,31 @@ run_phase Hsc basename suff input_fn output_fn paths <- readIORef v_Include_paths writeIORef v_Include_paths (current_dir : paths) - -- figure out where to put the .hi file - ohi <- readIORef v_Output_hi - hisuf <- readIORef v_Hi_suf - let hifile = case ohi of - Nothing -> basename ++ '.':hisuf - Just fn -> fn + -- figure out which header files to #include in a generated .hc file + c_includes <- getPackageCIncludes + cmdline_includes <- dynFlag cmdlineHcIncludes -- -#include options + + let cc_injects = unlines (map mk_include + (c_includes ++ reverse cmdline_includes)) + mk_include h_file = + case h_file of + '"':_{-"-} -> "#include "++h_file + '<':_ -> "#include "++h_file + _ -> "#include \""++h_file++"\"" + + writeIORef v_HCHeader cc_injects + + -- gather the imports and module name + (srcimps,imps,mod_name) <- getImportsFromFile input_fn + + -- build a ModuleLocation to pass to hscMain. + Just (mod, location') + <- mkHomeModuleLocn mod_name basename (basename ++ '.':suff) + + -- take -ohi into account if present + ohi <- readIORef v_Output_hi + let location | Just fn <- ohi = location'{ ml_hi_file = fn } + | otherwise = location' -- figure out if the source has changed, for recompilation avoidance. -- only do this if we're eventually going to generate a .o file. @@ -452,8 +482,7 @@ run_phase Hsc basename suff input_fn output_fn -- date wrt M.hs (or M.o doesn't exist) so we must recompile regardless. do_recomp <- readIORef v_Recomp todo <- readIORef v_GhcMode - o_file' <- odir_ify (basename ++ '.':phaseInputExt Ln) - o_file <- osuf_ify o_file' + let o_file = unJust "source_unchanged" (ml_obj_file location) source_unchanged <- if not (do_recomp && ( todo == DoLink || todo == StopBefore Ln )) then return False @@ -466,21 +495,18 @@ run_phase Hsc basename suff input_fn output_fn then return True else return False - -- build a ModuleLocation to pass to hscMain. - modsrc <- readFile input_fn - let (srcimps,imps,mod_name) = getImports modsrc - - Just (mod, location) - <- mkHomeModuleLocn mod_name basename (basename ++ '.':suff) - -- get the DynFlags dyn_flags <- readIORef v_DynFlags + let dyn_flags' = dyn_flags { hscOutName = output_fn, + hscStubCOutName = basename ++ "_stub.c", + hscStubHOutName = basename ++ "_stub.h", + extCoreName = basename ++ ".core" } + -- run the compiler! pcs <- initPersistentCompilerState result <- hscMain OneShot - dyn_flags{ hscOutName = output_fn } - mod + dyn_flags' mod location{ ml_hspp_file=Just input_fn } source_unchanged False @@ -495,15 +521,20 @@ run_phase Hsc basename suff input_fn output_fn HscNoRecomp pcs details iface -> do { - runSomething "Touching object file" ("touch " ++ o_file); +#if defined(mingw32_TARGET_OS) && defined(MINIMAL_UNIX_DEPS) + touch <- readIORef v_Pgm_T; + runSomething "Touching object file" (unwords [dosifyPath touch, dosifyPath o_file]); +#else + runSomething "Touching object file" (unwords [cTOUCH, o_file]); +#endif return False; }; - HscRecomp pcs details iface maybe_stub_h maybe_stub_c + HscRecomp pcs details iface stub_h_exists stub_c_exists _maybe_interpreted_code -> do -- deal with stubs - maybe_stub_o <- dealWithStubs basename maybe_stub_h maybe_stub_c + maybe_stub_o <- compileStub dyn_flags' stub_c_exists case maybe_stub_o of Nothing -> return () Just stub_o -> add v_Ld_inputs stub_o @@ -517,9 +548,9 @@ run_phase Hsc basename suff input_fn output_fn -- we don't support preprocessing .c files (with -E) now. Doing so introduces -- way too many hacks, and I can't say I've ever used it anyway. -run_phase cc_phase _basename _suff input_fn output_fn +run_phase cc_phase basename suff input_fn output_fn | cc_phase == Cc || cc_phase == HCc - = do cc <- readIORef v_Pgm_c + = do cc <- readIORef v_Pgm_c >>= prependToolDir >>= appendInstallDir cc_opts <- (getOpts opt_c) cmdline_include_dirs <- readIORef v_Include_paths @@ -532,26 +563,6 @@ run_phase cc_phase _basename _suff input_fn output_fn let include_paths = map (\p -> "-I"++p) (cmdline_include_dirs ++ pkg_include_dirs) - c_includes <- getPackageCIncludes - cmdline_includes <- dynFlag cmdlineHcIncludes -- -#include options - - let cc_injects | hcc = unlines (map mk_include - (c_includes ++ reverse cmdline_includes)) - | otherwise = "" - mk_include h_file = - case h_file of - '"':_{-"-} -> "#include "++h_file - '<':_ -> "#include "++h_file - _ -> "#include \""++h_file++"\"" - - cc_help <- newTempName "c" - h <- openFile cc_help WriteMode - hPutStr h cc_injects - hPutStrLn h ("#include \"" ++ input_fn ++ "\"\n") - hClose h - - ccout <- newTempName "ccout" - mangle <- readIORef v_Do_asm_mangling (md_c_flags, md_regd_c_flags) <- machdepCCOpts @@ -568,9 +579,8 @@ run_phase cc_phase _basename _suff input_fn output_fn | otherwise = [ ] excessPrecision <- readIORef v_Excess_precision - runSomething "C Compiler" - (unwords ([ cc, "-x", "c", cc_help, "-o", output_fn ] + (unwords ([ cc, "-x", "c", input_fn, "-o", output_fn ] ++ md_c_flags ++ (if cc_phase == HCc && mangle then md_regd_c_flags @@ -582,7 +592,6 @@ run_phase cc_phase _basename _suff input_fn output_fn ++ (if excessPrecision then [] else [ "-ffloat-store" ]) ++ include_paths ++ pkg_extra_cc_opts --- ++ [">", ccout] )) return True @@ -599,9 +608,14 @@ run_phase Mangle _basename _suff input_fn output_fn then do n_regs <- dynFlag stolen_x86_regs return [ show n_regs ] else return [] +#if defined(mingw32_TARGET_OS) && defined(MINIMAL_UNIX_DEPS) + perl_path <- prependToolDir ("perl") + let real_mangler = unwords [perl_path, mangler] +#else + let real_mangler = mangler +#endif runSomething "Assembly Mangler" - (unwords (mangler : - mangler_opts + (unwords (real_mangler : mangler_opts ++ [ input_fn, output_fn ] ++ machdep_opts )) @@ -612,7 +626,6 @@ run_phase Mangle _basename _suff input_fn output_fn run_phase SplitMangle _basename _suff input_fn _output_fn = do splitter <- readIORef v_Pgm_s - -- this is the prefix used for the split .s files tmp_pfx <- readIORef v_TmpDir x <- myGetProcessID @@ -623,8 +636,14 @@ run_phase SplitMangle _basename _suff input_fn _output_fn -- allocate a tmp file to put the no. of split .s files in (sigh) n_files <- newTempName "n_files" +#if defined(mingw32_TARGET_OS) && defined(MINIMAL_UNIX_DEPS) + perl_path <- prependToolDir ("perl") + let real_splitter = unwords [perl_path, splitter] +#else + let real_splitter = splitter +#endif runSomething "Split Assembly File" - (unwords [ splitter + (unwords [ real_splitter , input_fn , split_s_prefix , n_files ] @@ -640,7 +659,7 @@ run_phase SplitMangle _basename _suff input_fn _output_fn -- As phase run_phase As _basename _suff input_fn output_fn - = do as <- readIORef v_Pgm_a + = do as <- readIORef v_Pgm_a >>= prependToolDir >>= appendInstallDir as_opts <- getOpts opt_a cmdline_include_paths <- readIORef v_Include_paths @@ -678,11 +697,105 @@ run_phase SplitAs basename _suff _input_fn _output_fn return True ----------------------------------------------------------------------------- +-- 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 +-- a parallel way (i.e. in GUM), because PVM expects the binary in a +-- central directory. +-- This is called from doLink 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 + +run_phase_MoveBinary input_fn + = do + top_dir <- readIORef v_TopDir + pvm_root <- getEnv "PVM_ROOT" + pvm_arch <- getEnv "PVM_ARCH" + let + pvm_executable_base = "=" ++ input_fn + pvm_executable = pvm_root ++ "/bin/" ++ pvm_arch ++ "/" ++ pvm_executable_base + sysMan = top_dir ++ "/ghc/rts/parallel/SysMan"; + -- nuke old binary; maybe use configur'ed names for cp and rm? + system ("rm -f " ++ pvm_executable) + -- move the newly created binary into PVM land + system ("cp -p " ++ 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 + +-- 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 ${1+\"$@\"}'", + " if $running_under_some_shell;", + "# =!=!=!=!=!=!=!=!=!=!=!", + "# This script is automatically generated: DO NOT EDIT!!!", + "# Generated by Glasgow Haskell Compiler", + "# ngoqvam choHbogh vaj' vIHoHnISbej !!!!", + "#", + "$pvm_executable = '" ++ pvm_executable ++ "';", + "$pvm_executable_base = '" ++ pvm_executable_base ++ "';", + "$SysMan = '" ++ sysMan ++ "';", + "", + {- ToDo: add the magical shortcuts again iff we actually use them -- HWL + "# first, some magical shortcuts to run "commands" on the binary", + "# (which is hidden)", + "if ($#ARGV == 1 && $ARGV[0] eq '+RTS' && $ARGV[1] =~ /^--((size|file|strip|rm|nm).*)/ ) {", + " local($cmd) = $1;", + " system("$cmd $pvm_executable");", + " exit(0); # all done", + "}", -} + "", + "# Now, run the real binary; process the args first", + "$ENV{'PE'} = $pvm_executable_base;", -- ++ pvm_executable_base, + "$debug = '';", + "$nprocessors = 0; # the default: as many PEs as machines in PVM config", + "@nonPVM_args = ();", + "$in_RTS_args = 0;", + "", + "args: while ($a = shift(@ARGV)) {", + " if ( $a eq '+RTS' ) {", + " $in_RTS_args = 1;", + " } elsif ( $a eq '-RTS' ) {", + " $in_RTS_args = 0;", + " }", + " if ( $a eq '-d' && $in_RTS_args ) {", + " $debug = '-';", + " } elsif ( $a =~ /^-qN(\\d+)/ && $in_RTS_args ) {", + " $nprocessors = $1;", + " } elsif ( $a =~ /^-qp(\\d+)/ && $in_RTS_args ) {", + " $nprocessors = $1;", + " } else {", + " push(@nonPVM_args, $a);", + " }", + "}", + "", + "local($return_val) = 0;", + "# Start the parallel execution by calling SysMan", + "system(\"$SysMan $debug $pvm_executable $nprocessors @nonPVM_args\");", + "$return_val = $?;", + "# ToDo: fix race condition moving files and flushing them!!", + "system(\"cp $ENV{'HOME'}/$pvm_executable_base.???.gr .\") if -f \"$ENV{'HOME'}/$pvm_executable_base.002.gr\";", + "exit($return_val);" + ] + +----------------------------------------------------------------------------- +-- Complain about non-dynamic flags in OPTIONS pragmas + +checkProcessArgsResult flags basename suff + = do when (not (null flags)) (throwDyn (ProgramError ( + basename ++ "." ++ suff + ++ ": static flags are not allowed in {-# OPTIONS #-} pragmas:\n\t" + ++ unwords flags)) (ExitFailure 1)) + +----------------------------------------------------------------------------- -- Linking doLink :: [String] -> IO () doLink o_files = do - ln <- readIORef v_Pgm_l + ln <- readIORef v_Pgm_l >>= prependToolDir >>= appendInstallDir verb <- getVerbFlag static <- readIORef v_Static let imp = if static then "" else "_imp" @@ -743,6 +856,12 @@ doLink o_files = do #endif ) ) + -- parallel only: move binary to another dir -- HWL + ways_ <- readIORef v_Ways + when (WayPar `elem` ways_) (do + success <- run_phase_MoveBinary output_fn + if success then return () + else throwDyn (InstallationError ("cannot move binary to PVM dir"))) ----------------------------------------------------------------------------- -- Making a DLL @@ -751,7 +870,7 @@ doLink o_files = do -- in a vain attempt to aid future portability doMkDLL :: [String] -> IO () doMkDLL o_files = do - ln <- readIORef v_Pgm_dll + ln <- readIORef v_Pgm_dll >>= prependToolDir >>= appendInstallDir verb <- getVerbFlag static <- readIORef v_Static let imp = if static then "" else "_imp" @@ -818,7 +937,7 @@ doMkDLL o_files = do preprocess :: FilePath -> IO FilePath preprocess filename = - ASSERT(haskellish_file filename) + ASSERT(haskellish_src_file filename) do init_dyn_flags <- readIORef v_InitDynFlags writeIORef v_DynFlags init_dyn_flags pipeline <- genPipeline (StopBefore Hsc) ("preprocess") False @@ -882,17 +1001,36 @@ compile ghci_mode summary source_unchanged have_object dyn_flags <- readIORef v_DynFlags let hsc_lang = hscLang dyn_flags + (basename, _) = splitFilename input_fn + output_fn <- case hsc_lang of HscAsm -> newTempName (phaseInputExt As) HscC -> newTempName (phaseInputExt HCc) HscJava -> newTempName "java" -- ToDo -#ifdef ILX - HscILX -> newTempName "ilx" -- ToDo -#endif + HscILX -> return (basename ++ ".ilx") -- newTempName "ilx" -- ToDo HscInterpreted -> return (error "no output file") + let dyn_flags' = dyn_flags { hscOutName = output_fn, + hscStubCOutName = basename ++ "_stub.c", + hscStubHOutName = basename ++ "_stub.h", + extCoreName = basename ++ ".core" } + + -- figure out which header files to #include in a generated .hc file + c_includes <- getPackageCIncludes + cmdline_includes <- dynFlag cmdlineHcIncludes -- -#include options + + let cc_injects = unlines (map mk_include + (c_includes ++ reverse cmdline_includes)) + mk_include h_file = + case h_file of + '"':_{-"-} -> "#include "++h_file + '<':_ -> "#include "++h_file + _ -> "#include \""++h_file++"\"" + + writeIORef v_HCHeader cc_injects + -- run the compiler - hsc_result <- hscMain ghci_mode dyn_flags{ hscOutName = output_fn } + hsc_result <- hscMain ghci_mode dyn_flags' (ms_mod summary) location source_unchanged have_object old_iface hst hit pcs @@ -902,10 +1040,10 @@ compile ghci_mode summary source_unchanged have_object HscNoRecomp pcs details iface -> return (CompOK pcs details iface Nothing) HscRecomp pcs details iface - maybe_stub_h maybe_stub_c maybe_interpreted_code -> do + stub_h_exists stub_c_exists maybe_interpreted_code -> do - let (basename, _) = splitFilename input_fn - maybe_stub_o <- dealWithStubs basename maybe_stub_h maybe_stub_c + let + maybe_stub_o <- compileStub dyn_flags' stub_c_exists let stub_unlinked = case maybe_stub_o of Nothing -> [] Just stub_o -> [ DotO stub_o ] @@ -942,36 +1080,13 @@ compile ghci_mode summary source_unchanged have_object ----------------------------------------------------------------------------- -- stub .h and .c files (for foreign export support) -dealWithStubs basename maybe_stub_h maybe_stub_c - - = do let stub_h = basename ++ "_stub.h" - let stub_c = basename ++ "_stub.c" +compileStub dflags stub_c_exists + | not stub_c_exists = return Nothing + | stub_c_exists = do + -- compile the _stub.c file w/ gcc + let stub_c = hscStubCOutName dflags + pipeline <- genPipeline (StopBefore Ln) "" True defaultHscLang stub_c + stub_o <- runPipeline pipeline stub_c False{-no linking-} + False{-no -o option-} - -- copy the .stub_h file into the current dir if necessary - case maybe_stub_h of - Nothing -> return () - Just tmp_stub_h -> do - runSomething "Copy stub .h file" - ("cp " ++ tmp_stub_h ++ ' ':stub_h) - - -- #include <..._stub.h> in .hc file - addCmdlineHCInclude tmp_stub_h -- hack - - -- copy the .stub_c file into the current dir, and compile it, if necessary - case maybe_stub_c of - Nothing -> return Nothing - Just tmp_stub_c -> do -- copy the _stub.c file into the current dir - runSomething "Copy stub .c file" - (unwords [ - "rm -f", stub_c, "&&", - "echo \'#include \"Stg.h\"\n#include \""++stub_h++"\"\' >"++stub_c, " &&", - "cat", tmp_stub_c, ">> ", stub_c - ]) - - -- compile the _stub.c file w/ gcc - pipeline <- genPipeline (StopBefore Ln) "" True - defaultHscLang stub_c - stub_o <- runPipeline pipeline stub_c False{-no linking-} - False{-no -o option-} - - return (Just stub_o) + return (Just stub_o)