X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverFlags.hs;h=22e416a312f6239e277741242e0a64a84f1023be;hb=ef271579634228a7a5586baa61977e1db9a53aec;hp=64f6df550a6d0a95109809577498693f55d06786;hpb=68de0081f3581b9b15640cac598d980abe9ca424;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverFlags.hs b/ghc/compiler/main/DriverFlags.hs index 64f6df5..22e416a 100644 --- a/ghc/compiler/main/DriverFlags.hs +++ b/ghc/compiler/main/DriverFlags.hs @@ -1,7 +1,5 @@ -{-# OPTIONS -#include "hschooks.h" #-} - ----------------------------------------------------------------------------- --- $Id: DriverFlags.hs,v 1.47 2001/03/08 09:50:18 simonmar Exp $ +-- $Id: DriverFlags.hs,v 1.115 2003/05/27 12:40:19 simonmar Exp $ -- -- Driver flags -- @@ -11,31 +9,31 @@ module DriverFlags ( processArgs, OptKind(..), static_flags, dynamic_flags, - v_InitDynFlags, v_DynFlags, getDynFlags, dynFlag, - getOpts, getVerbFlag, addCmdlineHCInclude, + addCmdlineHCInclude, buildStaticHscOpts, - runSomething, machdepCCOpts ) where #include "HsVersions.h" +#include "../includes/config.h" -import PackageMaintenance +import MkIface ( showIface ) import DriverState +import DriverPhases import DriverUtil -import TmpFiles ( v_TmpDir, kludgedSystem ) +import SysTools import CmdLineOpts import Config import Util import Panic -import Exception -import IOExts +import EXCEPTION +import DATA_IOREF ( readIORef, writeIORef ) +import System ( exitWith, ExitCode(..) ) import IO import Maybe import Monad -import System import Char ----------------------------------------------------------------------------- @@ -72,15 +70,15 @@ data OptKind | AnySuffixPred (String -> Bool) (String -> IO ()) processArgs :: [(String,OptKind)] -> [String] -> [String] - -> IO [String] -- returns spare args + -> IO [String] -- returns spare args processArgs _spec [] spare = return (reverse spare) + processArgs spec args@(('-':arg):args') spare = do case findArg spec arg of - Just (rest,action) -> - do args' <- processOneArg action rest args - processArgs spec args' spare - Nothing -> - processArgs spec args' (('-':arg):spare) + Just (rest,action) -> do args' <- processOneArg action rest args + processArgs spec args' spare + Nothing -> processArgs spec args' (('-':arg):spare) + processArgs spec (arg:args) spare = processArgs spec args (arg:spare) @@ -128,7 +126,8 @@ processOneArg action rest (dash_arg@('-':arg):args) = findArg :: [(String,OptKind)] -> String -> Maybe (String,OptKind) findArg spec arg = case [ (remove_spaces rest, k) - | (pat,k) <- spec, Just rest <- [my_prefix_match pat arg], + | (pat,k) <- spec, + Just rest <- [my_prefix_match pat arg], arg_ok k rest arg ] of [] -> Nothing @@ -137,8 +136,8 @@ findArg spec arg arg_ok (NoArg _) rest arg = null rest arg_ok (HasArg _) rest arg = True arg_ok (SepArg _) rest arg = null rest -arg_ok (Prefix _) rest arg = not (null rest) -arg_ok (PrefixPred p _) rest arg = not (null rest) && p rest +arg_ok (Prefix _) rest arg = notNull rest +arg_ok (PrefixPred p _) rest arg = notNull rest && p rest arg_ok (OptPrefix _) rest arg = True arg_ok (PassFlag _) rest arg = null rest arg_ok (AnySuffix _) rest arg = True @@ -152,20 +151,43 @@ arg_ok (AnySuffixPred p _) rest arg = p arg -- flags further down the list with the same prefix. static_flags = - [ ------- help ------------------------------------------------------- - ( "?" , NoArg long_usage) - , ( "-help" , NoArg long_usage) - - - ------- version ---------------------------------------------------- - , ( "-version" , NoArg (do hPutStrLn stdout (cProjectName + [ ------- help / version ---------------------------------------------- + ( "?" , NoArg showGhcUsage) + , ( "-help" , NoArg showGhcUsage) + , ( "-print-libdir" , NoArg (do getTopDir >>= putStrLn + exitWith ExitSuccess)) + , ( "-version" , NoArg (do putStrLn (cProjectName ++ ", version " ++ cProjectVersion) exitWith ExitSuccess)) - , ( "-numeric-version", NoArg (do hPutStrLn stdout cProjectVersion + , ( "-numeric-version", NoArg (do putStrLn cProjectVersion exitWith ExitSuccess)) + ------- interfaces ---------------------------------------------------- + , ( "-show-iface" , HasArg (\f -> do showIface f + exitWith ExitSuccess)) + ------- verbosity ---------------------------------------------------- - , ( "n" , NoArg (writeIORef v_Dry_run True) ) + , ( "n" , NoArg setDryRun ) + + ------- primary modes ------------------------------------------------ + , ( "M" , PassFlag (setMode DoMkDependHS)) + , ( "E" , PassFlag (setMode (StopBefore Hsc))) + , ( "C" , PassFlag (\f -> do setMode (StopBefore HCc) f + setLang HscC)) + , ( "S" , PassFlag (setMode (StopBefore As))) + , ( "c" , PassFlag (setMode (StopBefore Ln))) + , ( "-make" , PassFlag (setMode DoMake)) + , ( "-interactive" , PassFlag (setMode DoInteractive)) + , ( "-mk-dll" , PassFlag (setMode DoMkDLL)) + + -- -fno-code says to stop after Hsc but don't generate any code. + , ( "fno-code" , PassFlag (\f -> do setMode (StopBefore HCc) f + setLang HscNothing + writeIORef v_Recomp False)) + + ------- GHCi ------------------------------------------------------- + , ( "ignore-dot-ghci", NoArg (writeIORef v_Read_DotGHCi False) ) + , ( "read-dot-ghci" , NoArg (writeIORef v_Read_DotGHCi True) ) ------- recompilation checker -------------------------------------- , ( "recomp" , NoArg (writeIORef v_Recomp True) ) @@ -179,6 +201,7 @@ static_flags = , ( "gransim" , NoArg (addNoDups v_Ways WayGran) ) , ( "smp" , NoArg (addNoDups v_Ways WaySMP) ) , ( "debug" , NoArg (addNoDups v_Ways WayDebug) ) + , ( "ndp" , NoArg (addNoDups v_Ways WayNDP) ) -- ToDo: user ways ------ Debugging ---------------------------------------------------- @@ -206,17 +229,22 @@ static_flags = ------- Output Redirection ------------------------------------------ , ( "odir" , HasArg (writeIORef v_Output_dir . Just) ) , ( "o" , SepArg (writeIORef v_Output_file . Just) ) - , ( "osuf" , HasArg (writeIORef v_Object_suf . Just) ) + , ( "osuf" , HasArg (writeIORef v_Object_suf) ) + , ( "hcsuf" , HasArg (writeIORef v_HC_suf . Just) ) , ( "hisuf" , HasArg (writeIORef v_Hi_suf) ) - , ( "tmpdir" , HasArg (writeIORef v_TmpDir . (++ "/")) ) - , ( "ohi" , HasArg (\s -> case s of - "-" -> writeIORef v_Hi_on_stdout True - _ -> writeIORef v_Output_hi (Just s)) ) + , ( "hidir" , HasArg (writeIORef v_Hi_dir . Just) ) + , ( "buildtag" , HasArg (writeIORef v_Build_tag) ) + , ( "tmpdir" , HasArg setTmpDir) + , ( "ohi" , HasArg (writeIORef v_Output_hi . Just) ) -- -odump? , ( "keep-hc-file" , AnySuffix (\_ -> writeIORef v_Keep_hc_files True) ) , ( "keep-s-file" , AnySuffix (\_ -> writeIORef v_Keep_s_files True) ) , ( "keep-raw-s-file", AnySuffix (\_ -> writeIORef v_Keep_raw_s_files True) ) +#ifdef ILX + , ( "keep-il-file" , AnySuffix (\_ -> writeIORef v_Keep_il_files True) ) + , ( "keep-ilx-file" , AnySuffix (\_ -> writeIORef v_Keep_ilx_files True) ) +#endif , ( "keep-tmp-files" , AnySuffix (\_ -> writeIORef v_Keep_tmp_files True) ) , ( "split-objs" , NoArg (if can_split @@ -233,32 +261,42 @@ static_flags = ------- Libraries --------------------------------------------------- , ( "L" , Prefix (addToDirList v_Library_paths) ) - , ( "l" , Prefix (add v_Cmdline_libraries) ) - + , ( "l" , AnySuffix (\s -> add v_Opt_l s >> add v_Opt_dll s) ) + +#ifdef darwin_TARGET_OS + ------- Frameworks -------------------------------------------------- + -- -framework-path should really be -F ... + , ( "framework-path" , HasArg (addToDirList v_Framework_paths) ) + , ( "framework" , HasArg (add v_Cmdline_frameworks) ) +#endif ------- Packages ---------------------------------------------------- , ( "package-name" , HasArg (\s -> add v_Opt_C ("-inpackage="++s)) ) + , ( "package-conf" , HasArg (readPackageConf) ) , ( "package" , HasArg (addPackage) ) , ( "syslib" , HasArg (addPackage) ) -- for compatibility w/ old vsns - , ( "-list-packages" , NoArg (listPackages) ) - , ( "-add-package" , NoArg (newPackage) ) - , ( "-delete-package" , SepArg (deletePackage) ) - ------- Specific phases -------------------------------------------- - , ( "pgmL" , HasArg (writeIORef v_Pgm_L) ) - , ( "pgmP" , HasArg (writeIORef v_Pgm_P) ) - , ( "pgmc" , HasArg (writeIORef v_Pgm_c) ) - , ( "pgmm" , HasArg (writeIORef v_Pgm_m) ) - , ( "pgms" , HasArg (writeIORef v_Pgm_s) ) - , ( "pgma" , HasArg (writeIORef v_Pgm_a) ) - , ( "pgml" , HasArg (writeIORef v_Pgm_l) ) + , ( "pgmL" , HasArg setPgmL ) + , ( "pgmP" , HasArg setPgmP ) + , ( "pgmP" , HasArg setPgmP ) + , ( "pgmF" , HasArg setPgmF ) + , ( "pgmc" , HasArg setPgmc ) + , ( "pgmm" , HasArg setPgmm ) + , ( "pgms" , HasArg setPgms ) + , ( "pgma" , HasArg setPgma ) + , ( "pgml" , HasArg setPgml ) +#ifdef ILX + , ( "pgmI" , HasArg setPgmI ) + , ( "pgmi" , HasArg setPgmi ) +#endif , ( "optdep" , HasArg (add v_Opt_dep) ) , ( "optl" , HasArg (add v_Opt_l) ) , ( "optdll" , HasArg (add v_Opt_dll) ) ----- Linker -------------------------------------------------------- + , ( "no-link" , NoArg (writeIORef v_NoLink True) ) , ( "static" , NoArg (writeIORef v_Static True) ) , ( "dynamic" , NoArg (writeIORef v_Static False) ) , ( "rdynamic" , NoArg (return ()) ) -- ignored for compat w/ gcc @@ -269,15 +307,17 @@ static_flags = ------ Compiler flags ----------------------------------------------- , ( "O2-for-C" , NoArg (writeIORef v_minus_o2_for_C True) ) - , ( "O" , OptPrefix (setOptLevel) ) + , ( "O" , NoArg (setOptLevel 1)) + , ( "Onot" , NoArg (setOptLevel 0)) + , ( "O" , PrefixPred (all isDigit) (setOptLevel . read)) , ( "fno-asm-mangling" , NoArg (writeIORef v_Do_asm_mangling False) ) , ( "fmax-simplifier-iterations", - Prefix (writeIORef v_MaxSimplifierIterations . read) ) + PrefixPred (all isDigit) (writeIORef v_MaxSimplifierIterations . read) ) - , ( "fusagesp" , NoArg (do writeIORef v_UsageSPInf True - add v_Opt_C "-fusagesp-on") ) + , ( "frule-check", + SepArg (\s -> writeIORef v_RuleCheck (Just s)) ) , ( "fexcess-precision" , NoArg (do writeIORef v_Excess_precision True add v_Opt_C "-fexcess-precision")) @@ -286,7 +326,6 @@ static_flags = -- -fno-* pattern below doesn't work. We therefore allow -- certain optimisation passes to be turned off explicitly: , ( "fno-strictness" , NoArg (writeIORef v_Strictness False) ) - , ( "fno-cpr" , NoArg (writeIORef v_CPR False) ) , ( "fno-cse" , NoArg (writeIORef v_CSE False) ) -- All other "-fno-" options cancel out "-f" on the hsc cmdline @@ -297,87 +336,28 @@ static_flags = , ( "f", AnySuffixPred (isStaticHscFlag) (add v_Opt_C) ) ] ------------------------------------------------------------------------------ --- parse the dynamic arguments - --- v_InitDynFlags --- is the "baseline" dynamic flags, initialised from --- the defaults and command line options, and updated by the --- ':s' command in GHCi. --- --- v_DynFlags --- is the dynamic flags for the current compilation. It is reset --- to the value of v_InitDynFlags before each compilation, then --- updated by reading any OPTIONS pragma in the current module. - -GLOBAL_VAR(v_InitDynFlags, defaultDynFlags, DynFlags) -GLOBAL_VAR(v_DynFlags, defaultDynFlags, DynFlags) - -updDynFlags f = do - dfs <- readIORef v_DynFlags - writeIORef v_DynFlags (f dfs) - -getDynFlags :: IO DynFlags -getDynFlags = readIORef v_DynFlags - -dynFlag :: (DynFlags -> a) -> IO a -dynFlag f = do dflags <- readIORef v_DynFlags; return (f dflags) - -setDynFlag f = updDynFlags (\dfs -> dfs{ flags = f : flags dfs }) -unSetDynFlag f = updDynFlags (\dfs -> dfs{ flags = filter (/= f) (flags dfs) }) - -addOpt_L a = updDynFlags (\s -> s{opt_L = a : opt_L s}) -addOpt_P a = updDynFlags (\s -> s{opt_P = a : opt_P s}) -addOpt_c a = updDynFlags (\s -> s{opt_c = a : opt_c s}) -addOpt_a a = updDynFlags (\s -> s{opt_a = a : opt_a s}) -addOpt_m a = updDynFlags (\s -> s{opt_m = a : opt_m s}) - -addCmdlineHCInclude a = - updDynFlags (\s -> s{cmdlineHcIncludes = a : cmdlineHcIncludes s}) - - -- we add to the options from the front, so we need to reverse the list -getOpts :: (DynFlags -> [a]) -> IO [a] -getOpts opts = dynFlag opts >>= return . reverse - --- we can only change HscC to HscAsm and vice-versa with dynamic flags --- (-fvia-C and -fasm). -setLang l = do - dfs <- readIORef v_DynFlags - case hscLang dfs of - HscC -> writeIORef v_DynFlags dfs{ hscLang = l } - HscAsm -> writeIORef v_DynFlags dfs{ hscLang = l } - _ -> return () - -setVerbosityAtLeast n = - updDynFlags (\dfs -> if verbosity dfs < n - then dfs{ verbosity = n } - else dfs) - -setVerbosity "" = updDynFlags (\dfs -> dfs{ verbosity = 3 }) -setVerbosity n - | all isDigit n = updDynFlags (\dfs -> dfs{ verbosity = read n }) - | otherwise = throwDyn (OtherError "can't parse verbosity flag (-v)") - -getVerbFlag = do - verb <- dynFlag verbosity - if verb >= 3 then return "-v" else return "" - dynamic_flags = [ ( "cpp", NoArg (updDynFlags (\s -> s{ cppFlag = True })) ) + , ( "F", NoArg (updDynFlags (\s -> s{ ppFlag = True })) ) , ( "#include", HasArg (addCmdlineHCInclude) ) , ( "v", OptPrefix (setVerbosity) ) , ( "optL", HasArg (addOpt_L) ) , ( "optP", HasArg (addOpt_P) ) + , ( "optF", HasArg (addOpt_F) ) , ( "optc", HasArg (addOpt_c) ) , ( "optm", HasArg (addOpt_m) ) , ( "opta", HasArg (addOpt_a) ) +#ifdef ILX + , ( "optI", HasArg (addOpt_I) ) + , ( "opti", HasArg (addOpt_i) ) +#endif ------ HsCpp opts --------------------------------------------------- - , ( "D", Prefix (\s -> addOpt_P ("-D'"++s++"'") ) ) - , ( "U", Prefix (\s -> addOpt_P ("-U'"++s++"'") ) ) + , ( "D", AnySuffix addOpt_P ) + , ( "U", AnySuffix addOpt_P ) ------ Debugging ---------------------------------------------------- , ( "dstg-stats", NoArg (writeIORef v_StgStats True) ) @@ -397,18 +377,18 @@ dynamic_flags = [ , ( "ddump-simpl", NoArg (setDynFlag Opt_D_dump_simpl) ) , ( "ddump-simpl-iterations", NoArg (setDynFlag Opt_D_dump_simpl_iterations) ) , ( "ddump-spec", NoArg (setDynFlag Opt_D_dump_spec) ) - , ( "ddump-sat", NoArg (setDynFlag Opt_D_dump_sat) ) + , ( "ddump-prep", NoArg (setDynFlag Opt_D_dump_prep) ) , ( "ddump-stg", NoArg (setDynFlag Opt_D_dump_stg) ) , ( "ddump-stranal", NoArg (setDynFlag Opt_D_dump_stranal) ) , ( "ddump-tc", NoArg (setDynFlag Opt_D_dump_tc) ) , ( "ddump-types", NoArg (setDynFlag Opt_D_dump_types) ) , ( "ddump-rules", NoArg (setDynFlag Opt_D_dump_rules) ) - , ( "ddump-usagesp", NoArg (setDynFlag Opt_D_dump_usagesp) ) , ( "ddump-cse", NoArg (setDynFlag Opt_D_dump_cse) ) , ( "ddump-worker-wrapper", NoArg (setDynFlag Opt_D_dump_worker_wrapper) ) , ( "dshow-passes", NoArg (setVerbosity "2") ) , ( "ddump-rn-trace", NoArg (setDynFlag Opt_D_dump_rn_trace) ) , ( "ddump-tc-trace", NoArg (setDynFlag Opt_D_dump_tc_trace) ) + , ( "ddump-splices", NoArg (setDynFlag Opt_D_dump_splices) ) , ( "ddump-rn-stats", NoArg (setDynFlag Opt_D_dump_rn_stats) ) , ( "ddump-stix", NoArg (setDynFlag Opt_D_dump_stix) ) , ( "ddump-simpl-stats", NoArg (setDynFlag Opt_D_dump_simpl_stats) ) @@ -419,9 +399,9 @@ dynamic_flags = [ , ( "ddump-hi-diffs", NoArg (setDynFlag Opt_D_dump_hi_diffs) ) , ( "ddump-hi", NoArg (setDynFlag Opt_D_dump_hi) ) , ( "ddump-minimal-imports", NoArg (setDynFlag Opt_D_dump_minimal_imports) ) + , ( "ddump-vect", NoArg (setDynFlag Opt_D_dump_vect) ) , ( "dcore-lint", NoArg (setDynFlag Opt_DoCoreLinting) ) , ( "dstg-lint", NoArg (setDynFlag Opt_DoStgLinting) ) - , ( "dusagesp-lint", NoArg (setDynFlag Opt_DoUSPLinting) ) ------ Machine dependant (-m) stuff --------------------------- @@ -431,6 +411,7 @@ dynamic_flags = [ ------ Warning opts ------------------------------------------------- , ( "W" , NoArg (mapM_ setDynFlag minusWOpts) ) + , ( "Werror" , NoArg (setDynFlag Opt_WarnIsError) ) , ( "Wall" , NoArg (mapM_ setDynFlag minusWallOpts) ) , ( "Wnot" , NoArg (mapM_ unSetDynFlag minusWallOpts) ) /* DEPREC */ , ( "w" , NoArg (mapM_ unSetDynFlag minusWallOpts) ) @@ -440,9 +421,12 @@ dynamic_flags = [ , ( "fasm", AnySuffix (\_ -> setLang HscAsm) ) , ( "fvia-c", NoArg (setLang HscC) ) , ( "fvia-C", NoArg (setLang HscC) ) + , ( "filx", NoArg (setLang HscILX) ) -- "active negatives" , ( "fno-implicit-prelude", NoArg (setDynFlag Opt_NoImplicitPrelude) ) + , ( "fno-monomorphism-restriction", + NoArg (setDynFlag Opt_NoMonomorphismRestriction) ) -- the rest of the -f* and -fno-* flags , ( "fno-", PrefixPred (\f -> isFFlag f) (\f -> unSetDynFlag (getFFlag f)) ) @@ -467,8 +451,13 @@ fFlags = [ ( "warn-unused-matches", Opt_WarnUnusedMatches ), ( "warn-deprecations", Opt_WarnDeprecations ), ( "glasgow-exts", Opt_GlasgowExts ), + ( "fi", Opt_FFI ), -- support `-ffi'... + ( "ffi", Opt_FFI ), -- ...and also `-fffi' + ( "with", Opt_With ), -- with keyword + ( "parr", Opt_PArr ), ( "allow-overlapping-instances", Opt_AllowOverlappingInstances ), ( "allow-undecidable-instances", Opt_AllowUndecidableInstances ), + ( "allow-incoherent-instances", Opt_AllowIncoherentInstances ), ( "generics", Opt_Generics ) ] @@ -484,19 +473,22 @@ decodeSize str | c == "K" || c == "k" = truncate (n * 1000) | c == "M" || c == "m" = truncate (n * 1000 * 1000) | c == "G" || c == "g" = truncate (n * 1000 * 1000 * 1000) - | otherwise = throwDyn (OtherError ("can't decode size: " ++ str)) + | otherwise = throwDyn (CmdLineError ("can't decode size: " ++ str)) where (m, c) = span pred str n = read m :: Double pred c = isDigit c || c == '.' -floatOpt :: IORef Double -> String -> IO () -floatOpt ref str = writeIORef ref (read str :: Double) ----------------------------------------------------------------------------- -- RTS Hooks +#if __GLASGOW_HASKELL__ >= 504 +foreign import ccall unsafe "setHeapSize" setHeapSize :: Int -> IO () +foreign import ccall unsafe "enableTimingStats" enableTimingStats :: IO () +#else foreign import "setHeapSize" unsafe setHeapSize :: Int -> IO () foreign import "enableTimingStats" unsafe enableTimingStats :: IO () +#endif ----------------------------------------------------------------------------- -- Build the Hsc static command line opts @@ -513,7 +505,8 @@ buildStaticHscOpts = do 0 -> hsc_minusNoO_flags 1 -> hsc_minusO_flags 2 -> hsc_minusO2_flags - _ -> error "unknown opt level" + n -> throwDyn (CmdLineError ("unknown optimisation level: " + ++ show n)) -- ToDo: -Ofile -- take into account -fno-* flags by removing the equivalent -f* @@ -528,30 +521,6 @@ buildStaticHscOpts = do return ( static : filtered_opts ) ----------------------------------------------------------------------------- --- Running an external program - --- sigh, here because both DriverMkDepend & DriverPipeline need it. - -runSomething phase_name cmd - = do - verb <- dynFlag verbosity - when (verb >= 2) $ hPutStrLn stderr ("*** " ++ phase_name) - when (verb >= 3) $ hPutStrLn stderr cmd - hFlush stderr - - -- test for -n flag - n <- readIORef v_Dry_run - unless n $ do - - -- and run it! - exit_code <- kludgedSystem cmd phase_name - - if exit_code /= ExitSuccess - then throwDyn (PhaseFailed phase_name exit_code) - else do when (verb >= 3) (hPutStr stderr "\n") - return () - ------------------------------------------------------------------------------ -- Via-C compilation stuff -- flags returned are: ( all C compilations @@ -560,7 +529,14 @@ runSomething phase_name cmd machdepCCOpts | prefixMatch "alpha" cTARGETPLATFORM - = return ( ["-static"], [] ) + = return ( ["-static", "-w", "-mieee" +#ifdef HAVE_THREADED_RTS_SUPPORT + , "-D_REENTRANT" +#endif + ], [] ) + -- For now, to suppress the gcc warning "call-clobbered + -- register used for global register variable", we simply + -- disable all warnings altogether using the -w flag. Oh well. | prefixMatch "hppa" cTARGETPLATFORM -- ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi! @@ -586,17 +562,71 @@ machdepCCOpts -- the fp (%ebp) for our register maps. = do n_regs <- dynFlag stolen_x86_regs sta <- readIORef v_Static - return ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else "", - if suffixMatch "mingw32" cTARGETPLATFORM then "-mno-cygwin" else "" ], - [ "-fno-defer-pop", "-fomit-frame-pointer", + return ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else "" +-- , if suffixMatch "mingw32" cTARGETPLATFORM then "-mno-cygwin" else "" + ], + [ "-fno-defer-pop", +#ifdef HAVE_GCC_MNO_OMIT_LFPTR + -- Some gccs are configured with + -- -momit-leaf-frame-pointer on by default, and it + -- apparently takes precedence over + -- -fomit-frame-pointer, so we disable it first here. + "-mno-omit-leaf-frame-pointer", +#endif + "-fomit-frame-pointer", + -- we want -fno-builtin, because when gcc inlines + -- built-in functions like memcpy() it tends to + -- run out of registers, requiring -monly-n-regs + "-fno-builtin", "-DSTOLEN_X86_REGS="++show n_regs ] ) + | prefixMatch "ia64" cTARGETPLATFORM + = return ( [], ["-fomit-frame-pointer", "-G0"] ) + | prefixMatch "mips" cTARGETPLATFORM - = return ( ["static"], [] ) + = return ( ["-static"], [] ) + + | prefixMatch "sparc" cTARGETPLATFORM + = return ( [], ["-w"] ) + -- For now, to suppress the gcc warning "call-clobbered + -- register used for global register variable", we simply + -- disable all warnings altogether using the -w flag. Oh well. + + | prefixMatch "powerpc-apple-darwin" cTARGETPLATFORM + -- -no-cpp-precomp: + -- Disable Apple's precompiling preprocessor. It's a great thing + -- for "normal" programs, but it doesn't support register variable + -- declarations. + -- -mdynamic-no-pic: + -- As we don't support haskell code in shared libraries anyway, + -- we might as well turn of PIC code generation and save space and time. + -- This is completely optional. + = return ( ["-no-cpp-precomp","-mdynamic-no-pic"], [] ) | prefixMatch "powerpc" cTARGETPLATFORM || prefixMatch "rs6000" cTARGETPLATFORM - = return ( ["static"], ["-finhibit-size-directive"] ) + = return ( ["-static"], ["-finhibit-size-directive"] ) | otherwise = return ( [], [] ) + +----------------------------------------------------------------------------- +-- local utils + +addOpt_L a = updDynFlags (\s -> s{opt_L = a : opt_L s}) +addOpt_P a = updDynFlags (\s -> s{opt_P = a : opt_P s}) +addOpt_F a = updDynFlags (\s -> s{opt_F = a : opt_F s}) +addOpt_c a = updDynFlags (\s -> s{opt_c = a : opt_c s}) +addOpt_a a = updDynFlags (\s -> s{opt_a = a : opt_a s}) +addOpt_m a = updDynFlags (\s -> s{opt_m = a : opt_m s}) +#ifdef ILX +addOpt_I a = updDynFlags (\s -> s{opt_I = a : opt_I s}) +addOpt_i a = updDynFlags (\s -> s{opt_i = a : opt_i s}) +#endif + +setVerbosity "" = updDynFlags (\dfs -> dfs{ verbosity = 3 }) +setVerbosity n + | all isDigit n = updDynFlags (\dfs -> dfs{ verbosity = read n }) + | otherwise = throwDyn (UsageError "can't parse verbosity flag (-v)") + +addCmdlineHCInclude a = updDynFlags (\s -> s{cmdlineHcIncludes = a : cmdlineHcIncludes s})