1 -----------------------------------------------------------------------------
2 -- $Id: DriverState.hs,v 1.13 2000/11/14 16:28:38 simonmar 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_NoHsMain, False, Bool)
132 GLOBAL_VAR(v_Recomp, True, Bool)
133 GLOBAL_VAR(v_Collect_ghc_timing, False, Bool)
134 GLOBAL_VAR(v_Do_asm_mangling, True, Bool)
135 GLOBAL_VAR(v_Excess_precision, False, Bool)
137 -----------------------------------------------------------------------------
138 -- Splitting object files (for libraries)
140 GLOBAL_VAR(v_Split_object_files, False, Bool)
141 GLOBAL_VAR(v_Split_prefix, "", String)
142 GLOBAL_VAR(v_N_split_files, 0, Int)
145 can_split = prefixMatch "i386" cTARGETPLATFORM
146 || prefixMatch "alpha" cTARGETPLATFORM
147 || prefixMatch "hppa" cTARGETPLATFORM
148 || prefixMatch "m68k" cTARGETPLATFORM
149 || prefixMatch "mips" cTARGETPLATFORM
150 || prefixMatch "powerpc" cTARGETPLATFORM
151 || prefixMatch "rs6000" cTARGETPLATFORM
152 || prefixMatch "sparc" cTARGETPLATFORM
154 -----------------------------------------------------------------------------
155 -- Compiler output options
158 | cGhcWithNativeCodeGen == "YES" &&
159 (prefixMatch "i386" cTARGETPLATFORM ||
160 prefixMatch "sparc" cTARGETPLATFORM) = HscAsm
163 GLOBAL_VAR(v_Output_dir, Nothing, Maybe String)
164 GLOBAL_VAR(v_Object_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_Object_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 }
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 setOptLevel s = unknownFlagErr ("-O"++s)
241 GLOBAL_VAR(v_minus_o2_for_C, False, Bool)
242 GLOBAL_VAR(v_MaxSimplifierIterations, 4, Int)
243 GLOBAL_VAR(v_StgStats, False, Bool)
244 GLOBAL_VAR(v_UsageSPInf, False, Bool) -- Off by default
245 GLOBAL_VAR(v_Strictness, True, Bool)
246 GLOBAL_VAR(v_CPR, True, Bool)
247 GLOBAL_VAR(v_CSE, True, Bool)
249 hsc_minusO2_flags = hsc_minusO_flags -- for now
253 "-fignore-interface-pragmas",
254 "-fomit-interface-pragmas"
260 "-fdo-eta-reduction",
261 "-fdo-lambda-eta-expansion",
267 buildCoreToDo :: IO [CoreToDo]
269 opt_level <- readIORef v_OptLevel
270 max_iter <- readIORef v_MaxSimplifierIterations
271 usageSP <- readIORef v_UsageSPInf
272 strictness <- readIORef v_Strictness
273 cpr <- readIORef v_CPR
274 cse <- readIORef v_CSE
276 if opt_level == 0 then return
278 CoreDoSimplify (isAmongSimpl [
279 MaxSimplifierIterations max_iter
283 else {- level >= 1 -} return [
285 -- initial simplify: mk specialiser happy: minimum effort please
286 CoreDoSimplify (isAmongSimpl [
288 -- Don't inline anything till full laziness has bitten
289 -- In particular, inlining wrappers inhibits floating
290 -- e.g. ...(case f x of ...)...
291 -- ==> ...(case (case x of I# x# -> fw x#) of ...)...
292 -- ==> ...(case x of I# x# -> case fw x# of ...)...
293 -- and now the redex (f x) isn't floatable any more
295 -- Similarly, don't apply any rules until after full
296 -- laziness. Notably, list fusion can prevent floating.
298 -- Don't do case-of-case transformations.
299 -- This makes full laziness work better
300 MaxSimplifierIterations max_iter
303 -- Specialisation is best done before full laziness
304 -- so that overloaded functions have all their dictionary lambdas manifest
307 CoreDoFloatOutwards False{-not full-},
310 CoreDoSimplify (isAmongSimpl [
312 -- Want to run with inline phase 1 after the specialiser to give
313 -- maximum chance for fusion to work before we inline build/augment
314 -- in phase 2. This made a difference in 'ansi' where an
315 -- overloaded function wasn't inlined till too late.
316 MaxSimplifierIterations max_iter
319 -- infer usage information here in case we need it later.
320 -- (add more of these where you need them --KSW 1999-04)
321 if usageSP then CoreDoUSPInf else CoreDoNothing,
323 CoreDoSimplify (isAmongSimpl [
324 -- Need inline-phase2 here so that build/augment get
325 -- inlined. I found that spectral/hartel/genfft lost some useful
326 -- strictness in the function sumcode' if augment is not inlined
327 -- before strictness analysis runs
329 MaxSimplifierIterations max_iter
332 CoreDoSimplify (isAmongSimpl [
333 MaxSimplifierIterations 2
334 -- No -finline-phase: allow all Ids to be inlined now
335 -- This gets foldr inlined before strictness analysis
338 if strictness then CoreDoStrictness else CoreDoNothing,
339 if cpr then CoreDoCPResult else CoreDoNothing,
343 CoreDoSimplify (isAmongSimpl [
344 MaxSimplifierIterations max_iter
345 -- No -finline-phase: allow all Ids to be inlined now
348 CoreDoFloatOutwards False{-not full-},
349 -- nofib/spectral/hartel/wang doubles in speed if you
350 -- do full laziness late in the day. It only happens
351 -- after fusion and other stuff, so the early pass doesn't
352 -- catch it. For the record, the redex is
353 -- f_el22 (f_el21 r_midblock)
355 -- Leave out lambda lifting for now
356 -- "-fsimplify", -- Tidy up results of full laziness
358 -- "-fmax-simplifier-iterations2",
360 -- "-ffloat-outwards-full",
362 -- We want CSE to follow the final full-laziness pass, because it may
363 -- succeed in commoning up things floated out by full laziness.
365 -- CSE must immediately follow a simplification pass, because it relies
366 -- on the no-shadowing invariant. See comments at the top of CSE.lhs
367 -- So it must NOT follow float-inwards, which can give rise to shadowing,
368 -- even if its input doesn't have shadows. Hence putting it between
370 if cse then CoreCSE else CoreDoNothing,
374 -- Case-liberation for -O2. This should be after
375 -- strictness analysis and the simplification which follows it.
377 -- ( ($OptLevel != 2)
379 -- : "-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 ]" ),
381 -- "-fliberate-case",
383 -- Final clean-up simplification:
384 CoreDoSimplify (isAmongSimpl [
385 MaxSimplifierIterations max_iter
386 -- No -finline-phase: allow all Ids to be inlined now
390 buildStgToDo :: IO [ StgToDo ]
392 stg_stats <- readIORef v_StgStats
393 let flags1 | stg_stats = [ D_stg_stats ]
397 ways_ <- readIORef v_Ways
398 let flags2 | WayProf `elem` ways_ = StgDoMassageForProfiling : flags1
403 -----------------------------------------------------------------------------
406 split_marker = ':' -- not configurable (ToDo)
408 v_Import_paths, v_Include_paths, v_Library_paths :: IORef [String]
409 GLOBAL_VAR(v_Import_paths, ["."], [String])
410 GLOBAL_VAR(v_Include_paths, ["."], [String])
411 GLOBAL_VAR(v_Library_paths, [], [String])
413 GLOBAL_VAR(v_Cmdline_libraries, [], [String])
415 addToDirList :: IORef [String] -> String -> IO ()
416 addToDirList ref path
417 = do paths <- readIORef ref
418 writeIORef ref (paths ++ split split_marker path)
420 -----------------------------------------------------------------------------
423 GLOBAL_VAR(v_Path_package_config, error "path_package_config", String)
425 -- package list is maintained in dependency order
426 GLOBAL_VAR(v_Packages, ("std":"rts":"gmp":[]), [String])
428 addPackage :: String -> IO ()
430 = do pkg_details <- readIORef v_Package_details
431 case lookupPkg package pkg_details of
432 Nothing -> throwDyn (OtherError ("unknown package name: " ++ package))
434 ps <- readIORef v_Packages
435 unless (package `elem` ps) $ do
436 mapM_ addPackage (package_deps details)
437 ps <- readIORef v_Packages
438 writeIORef v_Packages (package:ps)
440 getPackageImportPath :: IO [String]
441 getPackageImportPath = do
442 ps <- readIORef v_Packages
443 ps' <- getPackageDetails ps
444 return (nub (concat (map import_dirs ps')))
446 getPackageIncludePath :: IO [String]
447 getPackageIncludePath = do
448 ps <- readIORef v_Packages
449 ps' <- getPackageDetails ps
450 return (nub (filter (not.null) (concatMap include_dirs ps')))
452 -- includes are in reverse dependency order (i.e. rts first)
453 getPackageCIncludes :: IO [String]
454 getPackageCIncludes = do
455 ps <- readIORef v_Packages
456 ps' <- getPackageDetails ps
457 return (reverse (nub (filter (not.null) (concatMap c_includes ps'))))
459 getPackageLibraryPath :: IO [String]
460 getPackageLibraryPath = do
461 ps <- readIORef v_Packages
462 ps' <- getPackageDetails ps
463 return (nub (concat (map library_dirs ps')))
465 getPackageLibraries :: IO [String]
466 getPackageLibraries = do
467 ps <- readIORef v_Packages
468 ps' <- getPackageDetails ps
469 tag <- readIORef v_Build_tag
470 let suffix = if null tag then "" else '_':tag
472 map (\p -> map (++suffix) (hs_libraries p) ++ extra_libraries p) ps'
475 getPackageExtraGhcOpts :: IO [String]
476 getPackageExtraGhcOpts = do
477 ps <- readIORef v_Packages
478 ps' <- getPackageDetails ps
479 return (concatMap extra_ghc_opts ps')
481 getPackageExtraCcOpts :: IO [String]
482 getPackageExtraCcOpts = do
483 ps <- readIORef v_Packages
484 ps' <- getPackageDetails ps
485 return (concatMap extra_cc_opts ps')
487 getPackageExtraLdOpts :: IO [String]
488 getPackageExtraLdOpts = do
489 ps <- readIORef v_Packages
490 ps' <- getPackageDetails ps
491 return (concatMap extra_ld_opts ps')
493 getPackageDetails :: [String] -> IO [Package]
494 getPackageDetails ps = do
495 pkg_details <- readIORef v_Package_details
496 return [ pkg | p <- ps, Just pkg <- [ lookupPkg p pkg_details ] ]
498 GLOBAL_VAR(v_Package_details, (error "package_details"), [Package])
500 lookupPkg :: String -> [Package] -> Maybe Package
502 = case [p | p <- ps, name p == nm] of
505 -----------------------------------------------------------------------------
508 -- The central concept of a "way" is that all objects in a given
509 -- program must be compiled in the same "way". Certain options change
510 -- parameters of the virtual machine, eg. profiling adds an extra word
511 -- to the object header, so profiling objects cannot be linked with
512 -- non-profiling objects.
514 -- After parsing the command-line options, we determine which "way" we
515 -- are building - this might be a combination way, eg. profiling+ticky-ticky.
517 -- We then find the "build-tag" associated with this way, and this
518 -- becomes the suffix used to find .hi files and libraries used in
521 GLOBAL_VAR(v_Build_tag, "", String)
551 GLOBAL_VAR(v_Ways, [] ,[WayName])
553 -- ToDo: allow WayDll with any other allowed combination
555 allowed_combinations =
556 [ [WayProf,WayUnreg],
557 [WayProf,WaySMP] -- works???
560 findBuildTag :: IO [String] -- new options
562 way_names <- readIORef v_Ways
563 case sort way_names of
564 [] -> do writeIORef v_Build_tag ""
567 [w] -> do let details = lkupWay w
568 writeIORef v_Build_tag (wayTag details)
569 return (wayOpts details)
571 ws -> if ws `notElem` allowed_combinations
572 then throwDyn (OtherError $
573 "combination not supported: " ++
574 foldr1 (\a b -> a ++ '/':b)
575 (map (wayName . lkupWay) ws))
576 else let stuff = map lkupWay ws
577 tag = concat (map wayTag stuff)
578 flags = map wayOpts stuff
580 writeIORef v_Build_tag tag
581 return (concat flags)
584 case lookup w way_details of
585 Nothing -> error "findBuildTag"
586 Just details -> details
594 way_details :: [ (WayName, Way) ]
596 [ (WayProf, Way "p" "Profiling"
602 (WayTicky, Way "t" "Ticky-ticky Profiling"
605 , "-optc-DTICKY_TICKY"
608 (WayUnreg, Way "u" "Unregisterised"
610 , "-optc-DUSE_MINIINTERPRETER"
611 , "-fno-asm-mangling"
615 (WayDll, Way "dll" "DLLized"
618 (WayPar, Way "mp" "Parallel"
620 , "-D__PARALLEL_HASKELL__"
622 , "-package concurrent"
625 (WayGran, Way "mg" "Gransim"
629 , "-package concurrent"
632 (WaySMP, Way "s" "SMP"
639 (WayUser_a, Way "a" "User way 'a'" ["$WAY_a_REAL_OPTS"]),
640 (WayUser_b, Way "b" "User way 'b'" ["$WAY_b_REAL_OPTS"]),
641 (WayUser_c, Way "c" "User way 'c'" ["$WAY_c_REAL_OPTS"]),
642 (WayUser_d, Way "d" "User way 'd'" ["$WAY_d_REAL_OPTS"]),
643 (WayUser_e, Way "e" "User way 'e'" ["$WAY_e_REAL_OPTS"]),
644 (WayUser_f, Way "f" "User way 'f'" ["$WAY_f_REAL_OPTS"]),
645 (WayUser_g, Way "g" "User way 'g'" ["$WAY_g_REAL_OPTS"]),
646 (WayUser_h, Way "h" "User way 'h'" ["$WAY_h_REAL_OPTS"]),
647 (WayUser_i, Way "i" "User way 'i'" ["$WAY_i_REAL_OPTS"]),
648 (WayUser_j, Way "j" "User way 'j'" ["$WAY_j_REAL_OPTS"]),
649 (WayUser_k, Way "k" "User way 'k'" ["$WAY_k_REAL_OPTS"]),
650 (WayUser_l, Way "l" "User way 'l'" ["$WAY_l_REAL_OPTS"]),
651 (WayUser_m, Way "m" "User way 'm'" ["$WAY_m_REAL_OPTS"]),
652 (WayUser_n, Way "n" "User way 'n'" ["$WAY_n_REAL_OPTS"]),
653 (WayUser_o, Way "o" "User way 'o'" ["$WAY_o_REAL_OPTS"]),
654 (WayUser_A, Way "A" "User way 'A'" ["$WAY_A_REAL_OPTS"]),
655 (WayUser_B, Way "B" "User way 'B'" ["$WAY_B_REAL_OPTS"])
658 -----------------------------------------------------------------------------
659 -- Programs for particular phases
661 GLOBAL_VAR(v_Pgm_L, error "pgm_L", String)
662 GLOBAL_VAR(v_Pgm_P, cRAWCPP, String)
663 GLOBAL_VAR(v_Pgm_c, cGCC, String)
664 GLOBAL_VAR(v_Pgm_m, error "pgm_m", String)
665 GLOBAL_VAR(v_Pgm_s, error "pgm_s", String)
666 GLOBAL_VAR(v_Pgm_a, cGCC, String)
667 GLOBAL_VAR(v_Pgm_l, cGCC, String)
669 GLOBAL_VAR(v_Opt_dep, [], [String])
670 GLOBAL_VAR(v_Anti_opt_C, [], [String])
671 GLOBAL_VAR(v_Opt_C, [], [String])
672 GLOBAL_VAR(v_Opt_l, [], [String])
673 GLOBAL_VAR(v_Opt_dll, [], [String])
675 getStaticOpts :: IORef [String] -> IO [String]
676 getStaticOpts ref = readIORef ref >>= return . reverse
678 -----------------------------------------------------------------------------
679 -- Via-C compilation stuff
681 -- flags returned are: ( all C compilations
682 -- , registerised HC compilations
686 | prefixMatch "alpha" cTARGETPLATFORM
687 = return ( ["-static"], [] )
689 | prefixMatch "hppa" cTARGETPLATFORM
690 -- ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
691 -- (very nice, but too bad the HP /usr/include files don't agree.)
692 = return ( ["-static", "-D_HPUX_SOURCE"], [] )
694 | prefixMatch "m68k" cTARGETPLATFORM
695 -- -fno-defer-pop : for the .hc files, we want all the pushing/
696 -- popping of args to routines to be explicit; if we let things
697 -- be deferred 'til after an STGJUMP, imminent death is certain!
699 -- -fomit-frame-pointer : *don't*
700 -- It's better to have a6 completely tied up being a frame pointer
701 -- rather than let GCC pick random things to do with it.
702 -- (If we want to steal a6, then we would try to do things
703 -- as on iX86, where we *do* steal the frame pointer [%ebp].)
704 = return ( [], ["-fno-defer-pop", "-fno-omit-frame-pointer"] )
706 | prefixMatch "i386" cTARGETPLATFORM
707 -- -fno-defer-pop : basically the same game as for m68k
709 -- -fomit-frame-pointer : *must* in .hc files; because we're stealing
710 -- the fp (%ebp) for our register maps.
711 = do n_regs <- readState stolen_x86_regs
712 sta <- readIORef v_Static
713 return ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else "" ],
714 [ "-fno-defer-pop", "-fomit-frame-pointer",
715 "-DSTOLEN_X86_REGS="++show n_regs ]
718 | prefixMatch "mips" cTARGETPLATFORM
719 = return ( ["static"], [] )
721 | prefixMatch "powerpc" cTARGETPLATFORM || prefixMatch "rs6000" cTARGETPLATFORM
722 = return ( ["static"], ["-finhibit-size-directive"] )
728 -----------------------------------------------------------------------------
729 -- Running an external program
731 run_something phase_name cmd
733 verb <- readIORef v_Verbose
741 n <- readIORef v_Dry_run
745 #ifndef mingw32_TARGET_OS
746 exit_code <- system cmd `catchAllIO`
747 (\_ -> throwDyn (PhaseFailed phase_name (ExitFailure 1)))
749 tmp <- newTempName "sh"
750 h <- openFile tmp WriteMode
753 exit_code <- system ("sh - " ++ tmp) `catchAllIO`
754 (\e -> throwDyn (PhaseFailed phase_name (ExitFailure 1)))
758 if exit_code /= ExitSuccess
759 then throwDyn (PhaseFailed phase_name exit_code)
760 else do when verb (putStr "\n")