1 -----------------------------------------------------------------------------
2 -- $Id: DriverState.hs,v 1.10 2000/10/27 15:40:01 simonpj Exp $
4 -- Settings for the driver
6 -- (c) The University of Glasgow 2000
8 -----------------------------------------------------------------------------
10 module DriverState where
12 #include "HsVersions.h"
21 #ifdef mingw32_TARGET_OS
22 import TmpFiles ( newTempName )
23 import Directory ( removeFile )
32 -----------------------------------------------------------------------------
35 -- certain flags can be specified on a per-file basis, in an OPTIONS
36 -- pragma at the beginning of the source file. This means that when
37 -- compiling mulitple files, we have to restore the global option
38 -- settings before compiling a new file.
40 -- The DriverState record contains the per-file-mutable state.
42 data DriverState = DriverState {
44 -- are we runing cpp on this file?
48 stolen_x86_regs :: Int,
49 cmdline_hc_includes :: [String],
51 -- options for a particular phase
59 initDriverState = DriverState {
62 cmdline_hc_includes = [],
70 GLOBAL_VAR(v_Driver_state, initDriverState, DriverState)
72 readState :: (DriverState -> a) -> IO a
73 readState f = readIORef v_Driver_state >>= return . f
75 updateState :: (DriverState -> DriverState) -> IO ()
76 updateState f = readIORef v_Driver_state >>= writeIORef v_Driver_state . f
78 addOpt_L a = updateState (\s -> s{opt_L = a : opt_L s})
79 addOpt_P a = updateState (\s -> s{opt_P = a : opt_P s})
80 addOpt_c a = updateState (\s -> s{opt_c = a : opt_c s})
81 addOpt_a a = updateState (\s -> s{opt_a = a : opt_a s})
82 addOpt_m a = updateState (\s -> s{opt_m = a : opt_m s})
84 addCmdlineHCInclude a =
85 updateState (\s -> s{cmdline_hc_includes = a : cmdline_hc_includes s})
87 -- we add to the options from the front, so we need to reverse the list
88 getOpts :: (DriverState -> [a]) -> IO [a]
89 getOpts opts = readState opts >>= return . reverse
91 -----------------------------------------------------------------------------
92 -- non-configured things
94 cHaskell1Version = "5" -- i.e., Haskell 98
96 -----------------------------------------------------------------------------
97 -- Global compilation flags
99 -- location of compiler-related files
100 GLOBAL_VAR(v_TopDir, clibdir, String)
101 GLOBAL_VAR(v_Inplace, False, Bool)
104 v_Hs_source_cpp_opts = global
105 [ "-D__HASKELL1__="++cHaskell1Version
106 , "-D__GLASGOW_HASKELL__="++cProjectVersionInt
108 , "-D__CONCURRENT_HASKELL__"
110 {-# NOINLINE v_Hs_source_cpp_opts #-}
113 GLOBAL_VAR(v_Verbose, False, Bool)
114 is_verbose = do v <- readIORef v_Verbose; if v then return "-v" else return ""
116 -- Keep output from intermediate phases
117 GLOBAL_VAR(v_Keep_hi_diffs, False, Bool)
118 GLOBAL_VAR(v_Keep_hc_files, False, Bool)
119 GLOBAL_VAR(v_Keep_s_files, False, Bool)
120 GLOBAL_VAR(v_Keep_raw_s_files, False, Bool)
121 GLOBAL_VAR(v_Keep_tmp_files, False, Bool)
124 GLOBAL_VAR(v_Scale_sizes_by, 1.0, Double)
125 GLOBAL_VAR(v_Dry_run, False, Bool)
126 #if !defined(HAVE_WIN32_DLL_SUPPORT) || defined(DONT_WANT_WIN32_DLL_SUPPORT)
127 GLOBAL_VAR(v_Static, True, Bool)
129 GLOBAL_VAR(v_Static, False, Bool)
131 GLOBAL_VAR(v_Recomp, True, Bool)
132 GLOBAL_VAR(v_Collect_ghc_timing, False, Bool)
133 GLOBAL_VAR(v_Do_asm_mangling, True, Bool)
134 GLOBAL_VAR(v_Excess_precision, False, Bool)
136 -----------------------------------------------------------------------------
137 -- Splitting object files (for libraries)
139 GLOBAL_VAR(v_Split_object_files, False, Bool)
140 GLOBAL_VAR(v_Split_prefix, "", String)
141 GLOBAL_VAR(v_N_split_files, 0, Int)
144 can_split = prefixMatch "i386" cTARGETPLATFORM
145 || prefixMatch "alpha" cTARGETPLATFORM
146 || prefixMatch "hppa" cTARGETPLATFORM
147 || prefixMatch "m68k" cTARGETPLATFORM
148 || prefixMatch "mips" cTARGETPLATFORM
149 || prefixMatch "powerpc" cTARGETPLATFORM
150 || prefixMatch "rs6000" cTARGETPLATFORM
151 || prefixMatch "sparc" cTARGETPLATFORM
153 -----------------------------------------------------------------------------
154 -- Compiler output options
156 GLOBAL_VAR(v_Hsc_Lang, if cGhcWithNativeCodeGen == "YES" &&
157 (prefixMatch "i386" cTARGETPLATFORM ||
158 prefixMatch "sparc" cTARGETPLATFORM)
163 GLOBAL_VAR(v_Output_dir, Nothing, Maybe String)
164 GLOBAL_VAR(v_Output_suf, Nothing, Maybe String)
165 GLOBAL_VAR(v_Output_file, Nothing, Maybe String)
166 GLOBAL_VAR(v_Output_hi, Nothing, Maybe String)
168 GLOBAL_VAR(v_Ld_inputs, [], [String])
170 odir_ify :: String -> IO String
172 odir_opt <- readIORef v_Output_dir
175 Just d -> return (newdir d f)
177 osuf_ify :: String -> IO String
179 osuf_opt <- readIORef v_Output_suf
182 Just s -> return (newsuf s f)
184 -----------------------------------------------------------------------------
187 GLOBAL_VAR(v_ProduceHi, True, Bool)
188 GLOBAL_VAR(v_Hi_on_stdout, False, Bool)
189 GLOBAL_VAR(v_Hi_suf, "hi", String)
191 -----------------------------------------------------------------------------
192 -- Warnings & sanity checking
194 -- Warning packages that are controlled by -W and -Wall. The 'standard'
195 -- warnings that you get all the time are
197 -- -fwarn-overlapping-patterns
198 -- -fwarn-missing-methods
199 -- -fwarn-missing-fields
200 -- -fwarn-deprecations
201 -- -fwarn-duplicate-exports
203 -- these are turned off by -Wnot.
206 standardWarnings = [ "-fwarn-overlapping-patterns"
207 , "-fwarn-missing-methods"
208 , "-fwarn-missing-fields"
209 , "-fwarn-deprecations"
210 , "-fwarn-duplicate-exports"
212 minusWOpts = standardWarnings ++
213 [ "-fwarn-unused-binds"
214 , "-fwarn-unused-matches"
215 , "-fwarn-incomplete-patterns"
216 , "-fwarn-unused-imports"
218 minusWallOpts = minusWOpts ++
219 [ "-fwarn-type-defaults"
220 , "-fwarn-name-shadowing"
221 , "-fwarn-missing-signatures"
222 , "-fwarn-hi-shadowing"
225 data WarningState = W_default | W_ | W_all | W_not
226 GLOBAL_VAR(v_Warning_opt, W_default, WarningState)
228 -----------------------------------------------------------------------------
229 -- Compiler optimisation options
231 GLOBAL_VAR(v_OptLevel, 0, Int)
233 setOptLevel :: String -> IO ()
234 setOptLevel "" = do { writeIORef v_OptLevel 1; go_via_C }
235 setOptLevel "not" = writeIORef v_OptLevel 0
236 setOptLevel [c] | isDigit c = do
237 let level = ord c - ord '0'
238 writeIORef v_OptLevel level
239 when (level >= 1) go_via_C
240 setOptLevel s = unknownFlagErr ("-O"++s)
243 l <- readIORef v_Hsc_Lang
244 case l of { HscAsm -> writeIORef v_Hsc_Lang HscC;
245 _other -> return () }
247 GLOBAL_VAR(v_minus_o2_for_C, False, Bool)
249 GLOBAL_VAR(v_MaxSimplifierIterations, 4, Int)
250 GLOBAL_VAR(v_StgStats, False, Bool)
251 GLOBAL_VAR(v_UsageSPInf, False, Bool) -- Off by default
252 GLOBAL_VAR(v_Strictness, True, Bool)
253 GLOBAL_VAR(v_CPR, True, Bool)
254 GLOBAL_VAR(v_CSE, True, Bool)
256 hsc_minusO2_flags = hsc_minusO_flags -- for now
260 "-fignore-interface-pragmas",
261 "-fomit-interface-pragmas"
267 "-fdo-eta-reduction",
268 "-fdo-lambda-eta-expansion",
274 buildCoreToDo :: IO [CoreToDo]
276 opt_level <- readIORef v_OptLevel
277 max_iter <- readIORef v_MaxSimplifierIterations
278 usageSP <- readIORef v_UsageSPInf
279 strictness <- readIORef v_Strictness
280 cpr <- readIORef v_CPR
281 cse <- readIORef v_CSE
283 if opt_level == 0 then return
285 CoreDoSimplify (isAmongSimpl [
286 MaxSimplifierIterations max_iter
290 else {- level >= 1 -} return [
292 -- initial simplify: mk specialiser happy: minimum effort please
293 CoreDoSimplify (isAmongSimpl [
295 -- Don't inline anything till full laziness has bitten
296 -- In particular, inlining wrappers inhibits floating
297 -- e.g. ...(case f x of ...)...
298 -- ==> ...(case (case x of I# x# -> fw x#) of ...)...
299 -- ==> ...(case x of I# x# -> case fw x# of ...)...
300 -- and now the redex (f x) isn't floatable any more
302 -- Similarly, don't apply any rules until after full
303 -- laziness. Notably, list fusion can prevent floating.
305 -- Don't do case-of-case transformations.
306 -- This makes full laziness work better
307 MaxSimplifierIterations max_iter
310 -- Specialisation is best done before full laziness
311 -- so that overloaded functions have all their dictionary lambdas manifest
314 CoreDoFloatOutwards False{-not full-},
317 CoreDoSimplify (isAmongSimpl [
319 -- Want to run with inline phase 1 after the specialiser to give
320 -- maximum chance for fusion to work before we inline build/augment
321 -- in phase 2. This made a difference in 'ansi' where an
322 -- overloaded function wasn't inlined till too late.
323 MaxSimplifierIterations max_iter
326 -- infer usage information here in case we need it later.
327 -- (add more of these where you need them --KSW 1999-04)
328 if usageSP then CoreDoUSPInf else CoreDoNothing,
330 CoreDoSimplify (isAmongSimpl [
331 -- Need inline-phase2 here so that build/augment get
332 -- inlined. I found that spectral/hartel/genfft lost some useful
333 -- strictness in the function sumcode' if augment is not inlined
334 -- before strictness analysis runs
336 MaxSimplifierIterations max_iter
339 CoreDoSimplify (isAmongSimpl [
340 MaxSimplifierIterations 2
341 -- No -finline-phase: allow all Ids to be inlined now
342 -- This gets foldr inlined before strictness analysis
345 if strictness then CoreDoStrictness else CoreDoNothing,
346 if cpr then CoreDoCPResult else CoreDoNothing,
350 CoreDoSimplify (isAmongSimpl [
351 MaxSimplifierIterations max_iter
352 -- No -finline-phase: allow all Ids to be inlined now
355 CoreDoFloatOutwards False{-not full-},
356 -- nofib/spectral/hartel/wang doubles in speed if you
357 -- do full laziness late in the day. It only happens
358 -- after fusion and other stuff, so the early pass doesn't
359 -- catch it. For the record, the redex is
360 -- f_el22 (f_el21 r_midblock)
362 -- Leave out lambda lifting for now
363 -- "-fsimplify", -- Tidy up results of full laziness
365 -- "-fmax-simplifier-iterations2",
367 -- "-ffloat-outwards-full",
369 -- We want CSE to follow the final full-laziness pass, because it may
370 -- succeed in commoning up things floated out by full laziness.
372 -- CSE must immediately follow a simplification pass, because it relies
373 -- on the no-shadowing invariant. See comments at the top of CSE.lhs
374 -- So it must NOT follow float-inwards, which can give rise to shadowing,
375 -- even if its input doesn't have shadows. Hence putting it between
377 if cse then CoreCSE else CoreDoNothing,
381 -- Case-liberation for -O2. This should be after
382 -- strictness analysis and the simplification which follows it.
384 -- ( ($OptLevel != 2)
386 -- : "-fliberate-case -fsimplify [ $Oopt_FB_Support -ffloat-lets-exposing-whnf -ffloat-primops-ok -fcase-of-case -fdo-case-elim -fcase-merge -fdo-lambda-eta-expansion -freuse-con -flet-to-case $Oopt_PedanticBottoms $Oopt_MaxSimplifierIterations $Oopt_ShowSimplifierProgress ]" ),
388 -- "-fliberate-case",
390 -- Final clean-up simplification:
391 CoreDoSimplify (isAmongSimpl [
392 MaxSimplifierIterations max_iter
393 -- No -finline-phase: allow all Ids to be inlined now
397 buildStgToDo :: IO [ StgToDo ]
399 stg_stats <- readIORef v_StgStats
400 let flags1 | stg_stats = [ D_stg_stats ]
404 ways_ <- readIORef v_Ways
405 let flags2 | WayProf `elem` ways_ = StgDoMassageForProfiling : flags1
410 -----------------------------------------------------------------------------
413 split_marker = ':' -- not configurable (ToDo)
415 v_Import_paths, v_Include_paths, v_Library_paths :: IORef [String]
416 GLOBAL_VAR(v_Import_paths, ["."], [String])
417 GLOBAL_VAR(v_Include_paths, ["."], [String])
418 GLOBAL_VAR(v_Library_paths, [], [String])
420 GLOBAL_VAR(v_Cmdline_libraries, [], [String])
422 addToDirList :: IORef [String] -> String -> IO ()
423 addToDirList ref path
424 = do paths <- readIORef ref
425 writeIORef ref (paths ++ split split_marker path)
427 -----------------------------------------------------------------------------
430 GLOBAL_VAR(v_Path_package_config, error "path_package_config", String)
432 -- package list is maintained in dependency order
433 GLOBAL_VAR(v_Packages, ("std":"rts":"gmp":[]), [String])
435 addPackage :: String -> IO ()
437 = do pkg_details <- readIORef v_Package_details
438 case lookupPkg package pkg_details of
439 Nothing -> throwDyn (OtherError ("unknown package name: " ++ package))
441 ps <- readIORef v_Packages
442 unless (package `elem` ps) $ do
443 mapM_ addPackage (package_deps details)
444 ps <- readIORef v_Packages
445 writeIORef v_Packages (package:ps)
447 getPackageImportPath :: IO [String]
448 getPackageImportPath = do
449 ps <- readIORef v_Packages
450 ps' <- getPackageDetails ps
451 return (nub (concat (map import_dirs ps')))
453 getPackageIncludePath :: IO [String]
454 getPackageIncludePath = do
455 ps <- readIORef v_Packages
456 ps' <- getPackageDetails ps
457 return (nub (filter (not.null) (concatMap include_dirs ps')))
459 -- includes are in reverse dependency order (i.e. rts first)
460 getPackageCIncludes :: IO [String]
461 getPackageCIncludes = do
462 ps <- readIORef v_Packages
463 ps' <- getPackageDetails ps
464 return (reverse (nub (filter (not.null) (concatMap c_includes ps'))))
466 getPackageLibraryPath :: IO [String]
467 getPackageLibraryPath = do
468 ps <- readIORef v_Packages
469 ps' <- getPackageDetails ps
470 return (nub (concat (map library_dirs ps')))
472 getPackageLibraries :: IO [String]
473 getPackageLibraries = do
474 ps <- readIORef v_Packages
475 ps' <- getPackageDetails ps
476 tag <- readIORef v_Build_tag
477 let suffix = if null tag then "" else '_':tag
479 map (\p -> map (++suffix) (hs_libraries p) ++ extra_libraries p) ps'
482 getPackageExtraGhcOpts :: IO [String]
483 getPackageExtraGhcOpts = do
484 ps <- readIORef v_Packages
485 ps' <- getPackageDetails ps
486 return (concatMap extra_ghc_opts ps')
488 getPackageExtraCcOpts :: IO [String]
489 getPackageExtraCcOpts = do
490 ps <- readIORef v_Packages
491 ps' <- getPackageDetails ps
492 return (concatMap extra_cc_opts ps')
494 getPackageExtraLdOpts :: IO [String]
495 getPackageExtraLdOpts = do
496 ps <- readIORef v_Packages
497 ps' <- getPackageDetails ps
498 return (concatMap extra_ld_opts ps')
500 getPackageDetails :: [String] -> IO [Package]
501 getPackageDetails ps = do
502 pkg_details <- readIORef v_Package_details
503 return [ pkg | p <- ps, Just pkg <- [ lookupPkg p pkg_details ] ]
505 GLOBAL_VAR(v_Package_details, (error "package_details"), [Package])
507 lookupPkg :: String -> [Package] -> Maybe Package
509 = case [p | p <- ps, name p == nm] of
512 -----------------------------------------------------------------------------
515 -- The central concept of a "way" is that all objects in a given
516 -- program must be compiled in the same "way". Certain options change
517 -- parameters of the virtual machine, eg. profiling adds an extra word
518 -- to the object header, so profiling objects cannot be linked with
519 -- non-profiling objects.
521 -- After parsing the command-line options, we determine which "way" we
522 -- are building - this might be a combination way, eg. profiling+ticky-ticky.
524 -- We then find the "build-tag" associated with this way, and this
525 -- becomes the suffix used to find .hi files and libraries used in
528 GLOBAL_VAR(v_Build_tag, "", String)
558 GLOBAL_VAR(v_Ways, [] ,[WayName])
560 -- ToDo: allow WayDll with any other allowed combination
562 allowed_combinations =
563 [ [WayProf,WayUnreg],
564 [WayProf,WaySMP] -- works???
567 findBuildTag :: IO [String] -- new options
569 way_names <- readIORef v_Ways
570 case sort way_names of
571 [] -> do writeIORef v_Build_tag ""
574 [w] -> do let details = lkupWay w
575 writeIORef v_Build_tag (wayTag details)
576 return (wayOpts details)
578 ws -> if ws `notElem` allowed_combinations
579 then throwDyn (OtherError $
580 "combination not supported: " ++
581 foldr1 (\a b -> a ++ '/':b)
582 (map (wayName . lkupWay) ws))
583 else let stuff = map lkupWay ws
584 tag = concat (map wayTag stuff)
585 flags = map wayOpts stuff
587 writeIORef v_Build_tag tag
588 return (concat flags)
591 case lookup w way_details of
592 Nothing -> error "findBuildTag"
593 Just details -> details
601 way_details :: [ (WayName, Way) ]
603 [ (WayProf, Way "p" "Profiling"
609 (WayTicky, Way "t" "Ticky-ticky Profiling"
612 , "-optc-DTICKY_TICKY"
615 (WayUnreg, Way "u" "Unregisterised"
617 , "-optc-DUSE_MINIINTERPRETER"
618 , "-fno-asm-mangling"
622 (WayDll, Way "dll" "DLLized"
625 (WayPar, Way "mp" "Parallel"
627 , "-D__PARALLEL_HASKELL__"
629 , "-package concurrent"
632 (WayGran, Way "mg" "Gransim"
636 , "-package concurrent"
639 (WaySMP, Way "s" "SMP"
646 (WayUser_a, Way "a" "User way 'a'" ["$WAY_a_REAL_OPTS"]),
647 (WayUser_b, Way "b" "User way 'b'" ["$WAY_b_REAL_OPTS"]),
648 (WayUser_c, Way "c" "User way 'c'" ["$WAY_c_REAL_OPTS"]),
649 (WayUser_d, Way "d" "User way 'd'" ["$WAY_d_REAL_OPTS"]),
650 (WayUser_e, Way "e" "User way 'e'" ["$WAY_e_REAL_OPTS"]),
651 (WayUser_f, Way "f" "User way 'f'" ["$WAY_f_REAL_OPTS"]),
652 (WayUser_g, Way "g" "User way 'g'" ["$WAY_g_REAL_OPTS"]),
653 (WayUser_h, Way "h" "User way 'h'" ["$WAY_h_REAL_OPTS"]),
654 (WayUser_i, Way "i" "User way 'i'" ["$WAY_i_REAL_OPTS"]),
655 (WayUser_j, Way "j" "User way 'j'" ["$WAY_j_REAL_OPTS"]),
656 (WayUser_k, Way "k" "User way 'k'" ["$WAY_k_REAL_OPTS"]),
657 (WayUser_l, Way "l" "User way 'l'" ["$WAY_l_REAL_OPTS"]),
658 (WayUser_m, Way "m" "User way 'm'" ["$WAY_m_REAL_OPTS"]),
659 (WayUser_n, Way "n" "User way 'n'" ["$WAY_n_REAL_OPTS"]),
660 (WayUser_o, Way "o" "User way 'o'" ["$WAY_o_REAL_OPTS"]),
661 (WayUser_A, Way "A" "User way 'A'" ["$WAY_A_REAL_OPTS"]),
662 (WayUser_B, Way "B" "User way 'B'" ["$WAY_B_REAL_OPTS"])
665 -----------------------------------------------------------------------------
666 -- Programs for particular phases
668 GLOBAL_VAR(v_Pgm_L, error "pgm_L", String)
669 GLOBAL_VAR(v_Pgm_P, cRAWCPP, String)
670 GLOBAL_VAR(v_Pgm_c, cGCC, String)
671 GLOBAL_VAR(v_Pgm_m, error "pgm_m", String)
672 GLOBAL_VAR(v_Pgm_s, error "pgm_s", String)
673 GLOBAL_VAR(v_Pgm_a, cGCC, String)
674 GLOBAL_VAR(v_Pgm_l, cGCC, String)
676 GLOBAL_VAR(v_Opt_dep, [], [String])
677 GLOBAL_VAR(v_Anti_opt_C, [], [String])
678 GLOBAL_VAR(v_Opt_C, [], [String])
679 GLOBAL_VAR(v_Opt_l, [], [String])
680 GLOBAL_VAR(v_Opt_dll, [], [String])
682 getStaticOpts :: IORef [String] -> IO [String]
683 getStaticOpts ref = readIORef ref >>= return . reverse
685 -----------------------------------------------------------------------------
686 -- Via-C compilation stuff
688 -- flags returned are: ( all C compilations
689 -- , registerised HC compilations
693 | prefixMatch "alpha" cTARGETPLATFORM
694 = return ( ["-static"], [] )
696 | prefixMatch "hppa" cTARGETPLATFORM
697 -- ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
698 -- (very nice, but too bad the HP /usr/include files don't agree.)
699 = return ( ["-static", "-D_HPUX_SOURCE"], [] )
701 | prefixMatch "m68k" cTARGETPLATFORM
702 -- -fno-defer-pop : for the .hc files, we want all the pushing/
703 -- popping of args to routines to be explicit; if we let things
704 -- be deferred 'til after an STGJUMP, imminent death is certain!
706 -- -fomit-frame-pointer : *don't*
707 -- It's better to have a6 completely tied up being a frame pointer
708 -- rather than let GCC pick random things to do with it.
709 -- (If we want to steal a6, then we would try to do things
710 -- as on iX86, where we *do* steal the frame pointer [%ebp].)
711 = return ( [], ["-fno-defer-pop", "-fno-omit-frame-pointer"] )
713 | prefixMatch "i386" cTARGETPLATFORM
714 -- -fno-defer-pop : basically the same game as for m68k
716 -- -fomit-frame-pointer : *must* in .hc files; because we're stealing
717 -- the fp (%ebp) for our register maps.
718 = do n_regs <- readState stolen_x86_regs
719 sta <- readIORef v_Static
720 return ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else "" ],
721 [ "-fno-defer-pop", "-fomit-frame-pointer",
722 "-DSTOLEN_X86_REGS="++show n_regs ]
725 | prefixMatch "mips" cTARGETPLATFORM
726 = return ( ["static"], [] )
728 | prefixMatch "powerpc" cTARGETPLATFORM || prefixMatch "rs6000" cTARGETPLATFORM
729 = return ( ["static"], ["-finhibit-size-directive"] )
735 -----------------------------------------------------------------------------
736 -- Running an external program
738 run_something phase_name cmd
740 verb <- readIORef v_Verbose
748 n <- readIORef v_Dry_run
752 #ifndef mingw32_TARGET_OS
753 exit_code <- system cmd `catchAllIO`
754 (\_ -> throwDyn (PhaseFailed phase_name (ExitFailure 1)))
756 tmp <- newTempName "sh"
757 h <- openFile tmp WriteMode
760 exit_code <- system ("sh - " ++ tmp) `catchAllIO`
761 (\e -> throwDyn (PhaseFailed phase_name (ExitFailure 1)))
765 if exit_code /= ExitSuccess
766 then throwDyn (PhaseFailed phase_name exit_code)
767 else do when verb (putStr "\n")