1 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1997
4 This is the driver script for the Glasgow Haskell compilation system.
5 It is written in \tr{perl}. The first section includes a long
6 ``usage'' message that describes how the driver is supposed to work.
8 %************************************************************************
10 \section[Driver-usage]{Usage message}
12 %************************************************************************
15 use 5; # require Perl version 5 or later.
17 ($Pgm = $0) =~ s|.*/||;
18 $ShortUsage = "\nUsage: For basic information, try the `-help' option.\n";
19 $LongUsage = "\n" . <<EOUSAGE;
20 Use of the Glorious Haskell Compilation System driver:
22 $Pgm [command-line-options-and-input-files]
24 ------------------------------------------------------------------------
25 This driver ($Pgm) guides each input file through (some of the)
26 possible phases of a compilation:
28 - unlit: extract code from a "literate program"
29 - hscpp: run code through the C pre-processor (if -cpp flag given)
30 - hsc: run the Haskell compiler proper
31 - gcc: run the C compiler (if compiling via C)
32 - as: run the assembler
35 For each input file, the phase to START with is determined by the
37 - .lhs literate Haskell: unlit
38 - .hs illiterate Haskell: hsc
39 - .hc C from the Haskell compiler: gcc
40 - .c C not from the Haskell compiler: gcc
41 - .s assembly language: as
42 - other passed directly to the linker: ld
44 If no files are given on the command line, input is taken from
45 standard input, and processing is as for an .hs file. (All output is
46 to stdout or stderr, however).
48 The phase at which to STOP processing is determined by a command-line
50 -E stop after generating preprocessed, de-litted Haskell (used in conjunction with -cpp)
51 -C stop after generating C (.hc output)
52 -S stop after generating assembler (.s output)
53 -c stop after generating object files (.o output)
55 Other commonly-used options are:
57 -O An `optimising' package of compiler flags, for faster code
59 -prof Compile for cost-centre profiling
60 (add -auto for automagic cost-centres on top-level functions)
62 -fglasgow-exts Allow Glasgow extensions (unboxed types, etc.)
64 -H14m Increase compiler's heap size
66 -M Output the Makefile rules recording the
67 dependencies of a list of Haskell files.
68 (ghc driver script calls upon the help of a
69 compatible mkdependHS script to do the actual
72 The User's Guide has more information about GHC's *many* options.
74 Given the above, here are some TYPICAL invocations of $Pgm:
76 # compile a Haskell module to a .o file, optimising:
78 # link three .o files into an executable called "test":
79 % $Pgm -o test Foo.o Bar.o Baz.o
80 # compile a Haskell module to C (a .hc file), using a bigger heap:
81 % $Pgm -C -H16m Foo.hs
82 # compile Haskell-produced C (.hc) to assembly language:
84 ------------------------------------------------------------------------
88 %************************************************************************
90 \section[Driver-init]{Initialisation}
92 %************************************************************************
94 The driver script need to be told where to find these executables, so
95 in the course of building the driver `executable', make-variables holding
96 these are prepended to the de-litted version of this file. The variables are:
101 HOSTPLATFORM TARGETPLATFORM
103 ProjectName ProjectVersion ProjectVersionInt
105 HscMajorVersion HscMinorVersion CcMajorVersion CcMinorVersion
109 bindir libdir libexecdir datadir
113 GHC_LIB_DIR GHC_RUNTIME_DIR GHC_INCLUDE_DIR
115 GHC_OPT_HILEV_ASM GhcWithNativeCodeGen
117 GHC_UNLIT GHC_HSCPP GHC_MKDEPENDHS GHC_HSC GHC_SYSMAN
121 WAY_*_NAME WAY_*_REAL_OPTS
129 Establish what executables to run for the various phases, what the
130 default options are for those phases, and other similar boring stuff.
133 select(STDERR); $| = 1; select(STDOUT); # no STDERR buffering, please.
135 $TargetPlatform = $TARGETPLATFORM;
137 $TopPwd = "${TOP_PWD}";
138 $InstBinDirGhc = "${bindir}";
139 $InstLibDirGhc = "${libdir}";
141 # Normally the same as InstLibDirGhc, but we accommodate
142 # for it being separate.
144 $InstLibExecDirGhc = "${libexecdir}";
145 $InstDataDirGhc = "${datadir}";
147 $Status = 0; # just used for exit() status
150 # set up signal handler
151 sub quit_upon_signal { &tidy_up_and_die(1, ''); }
152 $SIG{'INT'} = 'quit_upon_signal';
153 $SIG{'QUIT'} = 'quit_upon_signal';
155 # where to get "require"d .prl files at runtime (poor man's dynamic loading)
156 # (use LIB, not DATA, because we can't be sure of arch-independence)
157 @INC = ( ( $INSTALLING ) ? $InstLibDirGhc
158 : "$TopPwd/${CURRENT_DIR}" );
160 if ( $ENV{'TMPDIR'} ) { # where to make tmp file names
161 $Tmp_prefix = ($ENV{'TMPDIR'} . "/ghc$$");
163 print STDERR "TMPDIR has not been set to anything useful!\n" if (${TMPDIR} eq '');
164 $Tmp_prefix ="${TMPDIR}/ghc$$"; # TMPDIR set via Makefile when booting..
165 $ENV{'TMPDIR'} = ${TMPDIR}; # set the env var as well
168 # Some shells run into real trouble when command line and environment
169 # gets big (e.g., cmd lines of >4K to /bin/sh causes havoc on our
170 # Solaris-2.5.1 boxes - even though sysconf(_SC_ARG_MAX) reports 1M ...).
171 # To work around any such */bin/sh* problems, we will scribble such
172 # awfully long command lines into a temp file and exec that temp file
173 # with $(REAL_SHELL) (don't use the SHELL variable directly as this
174 # will normally get you the wrong thing when the driver is invoked
175 # from within `make'). If the REAL_SHELL variable isn't set, you'll
176 # get SHELL. This is all a terrible hack. (in case you hadn't reached
177 # the same conclusion by now :-)
181 if ( ! $ENV{'REAL_SHELL'} ) {
182 $ENV{'REAL_SHELL'} = $ENV{'SHELL'};
185 @Files_to_tidy = (); # files we nuke in the case of abnormal termination
187 $Unlit = ( $INSTALLING ) ? "$InstLibExecDirGhc/unlit"
188 : "$TopPwd/${CURRENT_DIR}/${GHC_UNLIT}";
192 $Diff = $CONTEXT_DIFF;
197 $HsCpp = # but this is re-set to "cat" (after options) if -cpp not seen
198 ( $INSTALLING ) ? "$InstLibExecDirGhc/hscpp"
199 : "$TopPwd/${CURRENT_DIR}/${GHC_HSCPP}";
202 $HsC = ( $INSTALLING ) ? "$InstLibExecDirGhc/hsc"
203 : "$TopPwd/${CURRENT_DIR}/${GHC_HSC}";
205 # For PVM fiends only
206 $SysMan = ( $INSTALLING ) ? "$InstLibExecDirGhc/SysMan"
207 : "$TopPwd/${CURRENT_DIR}/${GHC_SYSMAN}";
212 # HsC_rts_flags: if we want to talk to the LML runtime system
213 # NB: we don't use powers-of-2 sizes, because this may do
214 # terrible things to cache behavior.
216 $Specific_heap_size = 6 * 1000 * 1000;
217 $Specific_stk_size = 1000 * 1000;
218 $Scale_sizes_by = 1.0;
222 The variables set by @setupOptFlags@ represent parts of the
223 -O/-O2/etc ``templates,'' which are filled in later, using these.
224 These are the default values, which may be changed by user flags.
228 $Oopt_MaxSimplifierIterations = '-fmax-simplifier-iterations4';
229 $Oopt_PedanticBottoms = '-fpedantic-bottoms'; # ON by default
230 $Oopt_FinalStgProfilingMassage = '';
232 $Oopt_DoSpecialise = '-fspecialise';
233 $Oopt_FoldrBuild = 0; # *Off* by default!
234 $Oopt_UsageSPInf = ''; # Off by default
235 } # end of setupOptFlags
237 # Assign defaults to these right away.
241 Things to do with C compilers/etc:
243 (added -Wimplicit: implicit prototypes cause very hard-to-find
244 problems, so I'm turing on the warnings -- SDM 4/5/98)
247 $CcRegd = $GHC_OPT_HILEV_ASM;
248 @CcBoth_flags = ('-S','-Wimplicit'); # flags for *any* C compilation
252 # those for all files,
253 # those only for .c files;
254 # those only for .hc files
257 @CcRegd_flags_c = ();
258 @CcRegd_flags_hc = ();
260 $As = ''; # "assembler" is normally GCC
263 $Lnkr = ''; # "linker" is normally GCC
267 # 'nm' is used for consistency checking (ToDo: mk-world-ify)
268 # ToDo: check the OS or something ("alpha" is surely not the crucial question)
269 $Nm = ($TargetPlatform =~ /^alpha-/) ? 'nm -B' : 'nm';
272 Warning packages that are controlled by -W and -Wall. The 'standard'
273 warnings that you get all the time are
275 -fwarn-overlapping-patterns
276 -fwarn-missing-methods
277 -fwarn-missing-fields
279 -fwarn-duplicate-exports
281 these are turned off by -Wnot.
284 @StandardWarnings = ('-fwarn-overlapping-patterns',
285 '-fwarn-missing-methods',
286 '-fwarn-missing-fields',
287 '-fwarn-deprecations',
288 '-fwarn-duplicate-exports');
289 @MinusWOpts = (@StandardWarnings,
290 '-fwarn-unused-binds',
291 '-fwarn-unused-matches',
292 '-fwarn-incomplete-patterns',
293 '-fwarn-unused-imports');
294 @MinusWallOpts = (@MinusWOpts,
295 '-fwarn-type-defaults',
296 '-fwarn-name-shadowing',
297 '-fwarn-missing-signatures');
300 What options \tr{-user-setup-a} turn into (user-defined ``packages''
302 of options). Note that a particular user-setup implies a particular
303 Prelude ({\em including} its interface file(s)).
305 $BuildTag = ''; # default is sequential build w/ Appel-style GC
307 %BuildDescr = (# system ways begin
308 '', 'Normal Sequential',
310 '_t', "Ticky-ticky Profiling",
311 '_u', "Unregisterised",
332 '_B', "$WAY_B_NAME" );
334 # these are options that are "fed back" through the option processing loop
338 '_a', "$WAY_a_REAL_OPTS",
339 '_b', "$WAY_b_REAL_OPTS",
340 '_c', "$WAY_c_REAL_OPTS",
341 '_d', "$WAY_d_REAL_OPTS",
342 '_e', "$WAY_e_REAL_OPTS",
343 '_f', "$WAY_f_REAL_OPTS",
344 '_g', "$WAY_g_REAL_OPTS",
345 '_h', "$WAY_h_REAL_OPTS",
346 '_i', "$WAY_i_REAL_OPTS",
347 '_j', "$WAY_j_REAL_OPTS",
348 '_k', "$WAY_k_REAL_OPTS",
349 '_l', "$WAY_l_REAL_OPTS",
350 '_m', "$WAY_m_REAL_OPTS",
351 '_n', "$WAY_n_REAL_OPTS",
352 '_o', "$WAY_o_REAL_OPTS",
353 '_A', "$WAY_A_REAL_OPTS",
354 '_B', "$WAY_B_REAL_OPTS",
357 '_p', "-fscc-profiling -DPROFILING -optc-DPROFILING",
358 '_t', "-fticky-ticky -DTICKY_TICKY -optc-DTICKY_TICKY",
359 '_u', "-optc-DNO_REGS -optc-DUSE_MINIINTERPRETER -fno-asm-mangling -funregisterised",
360 '_s', "-fsmp -optc-pthread -optl-pthread -optc-DSMP",
361 '_mp', "-fparallel -D__PARALLEL_HASKELL__ -optc-DPAR",
362 '_mg', "-fgransim -D__GRANSIM__ -optc-DGRAN");
364 # where to look for interface files (system hi's, i.e., prelude and syslibs)
365 @SysImport_dir = ( $INSTALLING )
366 ? ( "$InstLibDirGhc/imports/std" )
367 : ( "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std" );
369 # We need to look in ghc/ and glaExts/ when searching for implicitly needed .hi files, but
370 # we should really *not* look there for explicitly imported modules.
372 $Haskell1Version = 5; # i.e., Haskell 1.4
375 # Cpp symbols defined when we're processing Haskell source.
379 , "-D__HASKELL1__=$Haskell1Version"
380 , "-D__GLASGOW_HASKELL__=$ProjectVersionInt"
382 , "-D__CONCURRENT_HASKELL__"
386 @SysLibrary_dir = ( ( $INSTALLING ) #-syslib things supplied by the system
388 : ( "$TopPwd/$CURRENT_DIR/$GHC_RUNTIME_DIR"
389 , "$TopPwd/$CURRENT_DIR/$GHC_RUNTIME_DIR/gmp"
390 , "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std"
391 , "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std/cbits"
395 # make depend for Haskell
397 = ( $INSTALLING ) ? "$InstLibExecDirGhc/mkdependHS"
398 : "$TopPwd/$CURRENT_DIR/$GHC_MKDEPENDHS";
400 @MkDependHS_flags = ();
402 # do_link flag should not be reset while rescanning the cmd-line.
404 $Specific_output_dir = ''; # set by -odir <dir>
405 $Specific_output_file = ''; # set by -o <file>; "-" for stdout
408 Function to initialise the per-compilation-unit globals that
409 are used to guide and control the invocation of the different phases.
412 sub initDriverGlobals {
414 # reset the following options:
415 # RTS flags to use while compiling
421 The optimisations/etc to be done by the compiler are {\em normally}
422 expressed with a \tr{-O} (or \tr{-O2}) flag, or by its absence.
425 $OptLevel = 0; # no -O == 0; -O == 1; -O2 == 2; -Ofile == 3
426 $MinusO2ForC = 0; # set to 1 if -O2 should be given to C compiler
427 $StolenX86Regs = 4; # **HACK*** of the very worst sort
432 # The SplitMarker is the string/character used to mark end of element
435 @Import_dir = ('.'); #-i things
436 @Include_dir = ('.'); #-I things; other default(s) stuck on AFTER option processing
438 @UserLibrary_dir= (); #-L things;...
439 @UserLibrary = (); #-l things asked for by the user
441 @SysLibrary = (); # will be built up as we go along
444 We are given a list of files with various presumably-known suffixes
445 (unknown-suffix files go straight to the linker). For each file, we
446 begin by assuming that we'll run every phase over it. However: (1)
447 global flags (\tr{-c}, \tr{-S}, etc.) tell us not to run any phase
448 past a certain point; and (2) the file's suffix tells us what phase to
449 start with. Linking is weird and kept track of separately.
451 Here are the initial defaults applied to all files:
453 $Cpp_flag_set = 0; # (hack)
454 $Only_preprocess_C = 0; # pretty hackish
455 $Only_preprocess_hc = 0; # ditto
456 $Only_generate_deps = 0; # ""
457 $Only_generate_dll = 0;
458 $PostprocessCcOutput = 0;
461 # static = 0 => produce code for DLLs (when compiling & linking.)
463 $Static = 0 if ($EnableWin32DLLs eq 'YES');
466 $HaveNativeCodeGen = $GhcWithNativeCodeGen;
467 $HscLang = 'C'; # 'C' ==> .hc output;
468 # 'asm' ==> .s output;
469 # 'java' ==> .java output
470 # 'none' ==> no code output
472 if ($HaveNativeCodeGen ne 'YES') && $TargetPlatform =~ /^(alpha)-/;
474 # TEMP: disable x86 & Sparc if $HaveNativeCodeGen && $TargetPlatform =~ /^(i386|alpha|sparc)-/;
475 $ProduceHi = '-hifile=';
481 $CollectingGCstats = 0;
482 $CollectGhcTimings = 0;
483 $DEBUGging = ''; # -DDEBUG and all that it entails (um... not really)
484 $PROFing = ''; # set to p or e if profiling
485 $PROFauto = ''; # set to relevant hsc flag if -auto or -auto-all
486 $PROFcaf = ''; # set to relevant hsc flag if -caf-all
487 $PROFdict = ''; # set to relevant hsc flag if -auto-dicts
488 $PROFignore_scc = ''; # set to relevant parser flag if explicit sccs ignored
489 $UNPROFscc_auto = ''; # set to relevant hsc flag if forcing auto sccs without profiling
490 $TICKYing = ''; # set to t if compiling for ticky-ticky profiling
491 $PARing = ''; # set to p if compiling for PAR
492 $GRANing = ''; # set to g if compiling for GRAN
493 $UNREGing = ($GhcWithRegisterised eq 'YES') ? '' : 'u';
494 $Specific_hi_file = ''; # set by -ohi <file>; "-" for stdout
495 $Specific_dump_file = ''; # set by -odump <file>; "-" for stdout
496 $Using_dump_file = 0;
498 $Osuffix = ''; # default: use the normal suffix for that kind of output
500 $HiSuffix_prelude = '';
502 $Do_recomp_chkr = 1; # Use the recompilation checker by default
503 $Do_cc = -1; # a MAGIC indeterminate value; will be set to 1 or 0.
506 $Keep_hc_file_too = 0;
507 $Keep_s_file_too = 0;
508 $UseGhcInternals = 0; # if 1, may use GHC* modules
510 $DoAsmMangling = 1; # on by default, off by -fno-asm-mangling
512 $Dump_parser_output = 0;
514 $Dump_asm_splitting_info = 0;
515 $NoImplicitPrelude = 0;
516 # 1 => don't tell the linker to hoist in PrelMain.Main, as an
517 # external main is provided instead.
520 } # end of initDriverGlobals (Sigh)
522 # we split the argv passed to the driver into three:
527 # and files to be linked...
533 # cmd line options prefixing the unit we're compiling
538 We inject consistency-checking information into \tr{.hc} files (both
539 when created by the Haskell compiler and when compiled by the C
540 compiler), so that we can check that an executable is made from
541 consistently-built pieces. (The check is normally done just after
542 linking.) The checking is done by introducing/munging
543 \tr{what(1)}-style strings. Anyway, here are the relevant global
544 variables and their defaults:
546 $LinkChk = 0; # set to 0 if the link check should *not* be done
548 # major & minor version numbers; major numbers must always agree;
549 # minor disagreements yield a warning.
550 $HsC_major_version = $HscMajorVersion;
551 $HsC_minor_version = $HscMinorVersion;
552 $Cc_major_version = $CcMajorVersion;
553 $Cc_minor_version = $CcMinorVersion;
555 # options: these must always agree
556 $HsC_consist_options = ''; # we record, in this order:
557 # Build tag; debugging?
558 $Cc_consist_options = ''; # we record, in this order:
559 # Build tag; debugging?
562 %************************************************************************
564 \section[Driver-parse-argv]{Munge the command-line options}
566 %************************************************************************
568 Now slurp through the arguments.
571 &initDriverGlobals();
572 &splitCmdLine(@ARGV);
573 # Run through the cmd-line first time.
574 &processArgs(@Cmd_opts);
576 # Check to see if driver is only in the business
577 # to generate dependencies
578 if ( $Status == 0 && $Only_generate_deps ) {
580 push (@MkDependHS_flags, "-o$Osuffix") if $Osuffix;
581 # They're not (currently) needed, but we need to quote any -#include options
582 foreach (@Cmd_opts) {
583 s/-#include.*$/'$&'/g;
585 local($to_do) = "$MkDependHS @MkDependHS_flags @HsSourceCppOpts -- @Cmd_opts -- @Input_file" ;
586 &run_something($to_do, 'Haskell dependencies');
590 # ..or just to construct a (Haskell) DLL.
591 if ( $Status == 0 && $Only_generate_dll && $EnableWin32DLLs ) {
597 # if there are several input files,
598 # we don't allow \tr{-o <file>} or \tr{-ohi <file>} options...
599 # (except if linking, of course)
601 if ($#Input_file > 0 && ( ! $Do_lnkr )) {
602 if ( ($Specific_output_file ne '' && $Specific_output_file ne '-')
603 || ($Specific_hi_file ne '' && $Specific_hi_file ne '-') ) {
604 print STDERR "$Pgm: You can't use -o or -ohi options if you have multiple input files.\n";
605 print STDERR "\tPerhaps the -odir option will do what you want.\n";
610 # check for various pathological -o and -odir combinations...
611 if ($Specific_output_dir ne '' && $Specific_output_file ne '') {
612 if ($Specific_output_file eq '-') {
613 print STDERR "$Pgm: can't set output directory with -ohi AND have output to stdout\n";
615 } else { # amalgamate...
616 $Specific_output_file = "$Specific_output_dir/$Specific_output_file";
617 # ToDo: check we haven't got a junk name now...
618 $Specific_output_dir = ''; # reset
622 # crash and burn if there were errors
624 print STDERR $ShortUsage;
629 %************************************************************************
631 \section[Driver-post-argv-mangling]{Setup after reading options}
633 %************************************************************************
635 %************************************************************************
637 \subsection{Set up for optimisation level (\tr{-O} or whatever)}
639 %************************************************************************
641 We come now to the default ``wads of options'' that are turned on by
642 \tr{-O0} (do min optimisation), \tr{-O} (ordinary optimisation),
643 \tr{-O2} (aggressive optimisation), or no O-ish flag (compile speed is
646 The user can also specify his/her own list of options in a file; in
647 that case, the work is already done (see stuff about @minusO3@,
650 GHC allows very precise control of what happens during a compilation.
651 Core-to-Core and STG-to-STG passes can be run in any order, as many
652 times as you like. Individual transformations can be turned on or
655 Sadly, however, there are some interdependencies \& Things You Must
656 Not Do. Here is the list.
660 \item[\tr{-fspecialise}:]
661 The specialiser must have dependency-analysed input; but if you run
662 the simplifier to do this, you must not let it toss away unused
663 bindings! (The typechecker conveys some specialisation info via
664 ``unused'' bindings...)
666 \item[\tr{-ffloat-inwards}:]
667 Floating inwards should be done before strictness analysis, because
668 the latter will give better results.
670 \item[\tr{-fstatic-args}:]
671 The static-arguments-transformation pass {\em must} have the
672 simplifier run right after it.
674 \item[\tr{-fcalc-inlinings[12]}:]
675 Not required, but there may be slight gains by re-simplifying after
676 this is done. (You could then \tr{-fcalc-inlinings} again, just for
679 \item[\tr{-ffull-laziness}:]
680 The (outwards-)let-floater should be the {\em last} Core-to-Core pass
681 that's run. (Um, well, howzabout the simplifier just once more...)
686 sub setupOptimiseFlags {
688 # this pass-ordering sequence was agreed by Simon and Andr\'e
689 # (WDP 94/07, 94/11).
695 $Oopt_MaxSimplifierIterations,
699 $Oopt_FinalStgProfilingMassage
702 @HsC_minusO_flags # NOTE: used for *both* -O and -O2 (some conditional bits)
706 '-fdo-eta-reduction',
707 '-fdo-lambda-eta-expansion',
711 $Oopt_PedanticBottoms,
713 # initial simplify: mk specialiser happy: minimum effort please
717 '-finline-phase0', # Don't inline anything till full laziness has bitten
718 # In particular, inlining wrappers inhibits floating
719 # e.g. ...(case f x of ...)...
720 # ==> ...(case (case x of I# x# -> fw x#) of ...)...
721 # ==> ...(case x of I# x# -> case fw x# of ...)...
722 # and now the redex (f x) isn't floatable any more
724 '-fno-rules', # Similarly, don't apply any rules until after full laziness
725 # Notably, list fusion can prevent floating.
727 '-fno-case-of-case', # Don't do case-of-case transformations.
728 # This makes full laziness work better
730 '-fmax-simplifier-iterations2',
733 # Specialisation is best done before full laziness
734 # so that overloaded functions have all their dictionary lambdas manifest
735 ($Oopt_DoSpecialise) ? ( $Oopt_DoSpecialise, ) : (),
742 # Want to run with inline phase 1 after the specialiser to give
743 # maximum chance for fusion to work before we inline build/augment
744 # in phase 2. This made a difference in 'ansi' where an overloaded
745 # function wasn't inlined till too late.
746 $Oopt_MaxSimplifierIterations,
749 $Oopt_UsageSPInf, # infer usage information here in case we need it later.
750 # (add more of these where you need them --KSW 1999-04)
754 # Need inline-phase2 here so that build/augment get
755 # inlined. I found that spectral/hartel/genfft lost some useful
756 # strictness in the function sumcode' if augment is not inlined
757 # before strictness analysis runs
760 '-fmax-simplifier-iterations2',
766 '-fmax-simplifier-iterations2',
767 # No -finline-phase: allow all Ids to be inlined now
768 # This gets foldr inlined before strictness analysis
777 $Oopt_MaxSimplifierIterations,
778 # No -finline-phase: allow all Ids to be inlined now
781 '-ffloat-outwards', # nofib/spectral/hartel/wang doubles in speed if you
782 # do full laziness late in the day. It only happens
783 # after fusion and other stuff, so the early pass doesn't
784 # catch it. For the record, the redex is
785 # f_el22 (f_el21 r_midblock)
787 # Leave out lambda lifting for now
788 # '-fsimplify', # Tidy up results of full laziness
790 # '-fmax-simplifier-iterations2',
792 # '-ffloat-outwards-full',
794 # We want CSE to follow the final full-laziness pass, because it may
795 # succeed in commoning up things floated out by full laziness.
797 # CSE must immediately follow a simplification pass, because it relies
798 # on the no-shadowing invariant. See comments at the top of CSE.lhs
799 # So it must NOT follow float-inwards, which can give rise to shadowing,
800 # even if its input doesn't have shadows. Hence putting it between
807 # Case-liberation for -O2. This should be after
808 # strictness analysis and the simplification which follows it.
812 # : "-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 ]" ),
816 # Final clean-up simplification:
820 $Oopt_MaxSimplifierIterations,
821 # No -finline-phase: allow all Ids to be inlined now
828 $Oopt_FinalStgProfilingMassage,
834 # SPECIAL FLAGS for -O2
836 # none at the present time
842 Sort out what we're going to do about optimising. First, the @hsc@
843 flags and regular @cc@ flags to worry about:
845 if ( $OptLevel <= 0 ) {
847 # for this level, we tell the parser -fignore-interface-pragmas
848 push(@HsC_flags, '-fignore-interface-pragmas');
849 # and tell the compiler not to produce them
850 push(@HsC_flags, '-fomit-interface-pragmas');
852 &add_Hsc_flags( @HsC_minusNoO_flags );
853 push(@CcBoth_flags, ($MinusO2ForC) ? '-O2' : '-O'); # not optional!
855 } elsif ( $OptLevel == 1 || $OptLevel == 2 ) {
857 &add_Hsc_flags( @HsC_minusO_flags );
858 push(@CcBoth_flags, ($MinusO2ForC || $OptLevel == 2) ? '-O2' : '-O'); # not optional!
859 # -O? to GCC is not optional! -O2 probably isn't worth it generally,
860 # but it *is* useful in compiling the garbage collector.
862 } else { # -Ofile, then...
864 &add_Hsc_flags( @HsC_minusO3_flags );
865 push(@HsC_flags, $Oopt_FinalStgProfilingMassage) if $Oopt_FinalStgProfilingMassage;
867 push(@CcBoth_flags, ($MinusO2ForC) ? '-O2' : '-O'); # possibly to be elaborated...
870 } # setupOptimiseFlags
874 %************************************************************************
876 \subsection{Check for consistency, etc.}
878 %************************************************************************
880 Sort out @$BuildTag@, @$PROFing@, @$PARing@,
881 @$GRANing@, @$TICKYing@, @UNREGing@:
883 sub setupBuildFlags {
885 # PROFILING stuff after argv mangling:
887 # add -auto sccs even if not profiling !
888 push(@HsC_flags, $UNPROFscc_auto) if $UNPROFscc_auto;
891 push(@HsC_flags, $PROFauto) if $PROFauto;
892 push(@HsC_flags, $PROFcaf) if $PROFcaf;
893 push(@HsC_flags, $PROFdict) if $PROFdict;
895 $Oopt_FinalStgProfilingMassage = '-fmassage-stg-for-profiling';
897 # Ignore user sccs when auto annotating, but warn when doing so.
898 $PROFignore_scc = '-W' if $PROFauto;
900 #if ( $BuildTag ne '' ) {
901 # local($b) = $BuildDescr{$BuildTag};
902 # if ($PARing eq 'p') { print STDERR "$Pgm: Can't mix $b with -parallel.\n"; exit 1; }
903 # if ($GRANing eq 'g') { print STDERR "$Pgm: Can't mix $b with -gransim.\n"; exit 1; }
904 # if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix $b with -ticky.\n"; exit 1; }
906 # # ok to have a user-way profiling build
907 # # eval the profiling opts ... but leave user-way BuildTag
908 # if ($PROFing eq 'p') { &processArgs(split(' ', $SetupOpts{'_p'})); } # eval($EvaldSetupOpts{'_p'}); }
910 if ( $PROFing eq 'p' ) {
911 if ($PARing eq 'p') { print STDERR "$Pgm: Can't do profiling with -parallel.\n"; exit 1; }
912 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't do profiling with -gransim.\n"; exit 1; }
913 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't do profiling with -ticky.\n"; exit 1; }
916 } elsif ( $PARing eq 'p' ) {
917 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't mix -parallel with -gransim.\n"; exit 1; }
918 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix -parallel with -ticky.\n"; exit 1; }
921 if ( $Do_lnkr && ( ! $ENV{'PVM_ROOT'} || ! $ENV{'PVM_ARCH'} )) {
922 print STDERR "$Pgm: both your PVM_ROOT and PVM_ARCH environment variables must be set for linking under -parallel.\n";
926 } elsif ( $SMPing eq 's') {
929 } elsif ( $GRANing eq 'g' ) {
930 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix -gransim with -ticky.\n"; exit 1; }
933 } elsif ( $TICKYing eq 't' ) {
936 } elsif ( $UNREGing eq 'u' ) {
937 if ($GhcWithRegisterised eq 'YES') {
943 After the sanity checks, add flags to the necessary parts of the driver pipeline:
946 if ( $BuildTag ne '' ) { # something other than normal sequential...
948 local($Tag) = "${BuildTag}";
949 $Tag =~ s/_//; # move the underscore to the back
951 $HscLang = 'C'; # must go via C
952 &processArgs(split(' ', $SetupOpts{$BuildTag}));
953 # eval($EvaldSetupOpts{$BuildTag});
957 Decide what the consistency-checking options are in force for this run:
960 $HsC_consist_options = "${BuildTag},${DEBUGging}";
961 $Cc_consist_options = "${BuildTag},${DEBUGging}";
964 # Funny place to put it, but why not.
966 if ( $HiSuffix_prelude eq '' ) {
968 if ($CompilingPrelude) {
969 $HiSuffix_prelude = "$HiSuffix" if $CompilingPrelude;
971 local($Tag) = "${BuildTag}";
974 $Tag = "${Tag}_" if $Tag ne '';
975 $HiSuffix_prelude="${Tag}hi";
981 %************************************************************************
983 \subsection{Add on machine-specific C-compiler flags}
985 %************************************************************************
987 Shove on magical machine-specific options. We use \tr{unshift} to
988 stick them on the {\em front} of the arrays, so that ``later''
989 user-specified flags can clobber them (e.g., \tr{-U__STG_REV_TBLS__}).
991 Note: a few ``always apply'' flags were set at the very beginning.
996 if ($TargetPlatform =~ /^alpha-/) {
997 unshift(@CcBoth_flags, ('-static'));
999 } elsif ($TargetPlatform =~ /^hppa/) {
1000 unshift(@CcBoth_flags, ('-static'));
1002 # We don't put in '-mlong-calls', because it's only
1003 # needed for very big modules (sigh), and we don't want
1004 # to hobble ourselves further on all the other modules
1007 # [Dated comment (gcc-2.6.x?), -mlong-calls is no longer
1008 # a supported gcc HPPA flag]
1009 unshift(@CcBoth_flags, ('-D_HPUX_SOURCE'));
1010 # ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
1011 # (very nice, but too bad the HP /usr/include files don't agree.)
1013 } elsif ($TargetPlatform =~ /^i386-/) {
1014 # -fno-defer-pop : basically the same game as for m68k
1016 # -fomit-frame-pointer : *must* in .hc files; because we're stealing
1017 # the fp (%ebp) for our register maps.
1019 unshift(@CcRegd_flags_hc, '-fno-defer-pop');
1020 unshift(@CcRegd_flags_hc, '-fomit-frame-pointer');
1021 unshift(@CcRegd_flags, "-DSTOLEN_X86_REGS=$StolenX86Regs");
1023 unshift(@CcBoth_flags, ('-DDONT_WANT_WIN32_DLL_SUPPORT')) if ($Static);
1025 } elsif ($TargetPlatform =~ /^m68k-/) {
1026 # -fno-defer-pop : for the .hc files, we want all the pushing/
1027 # popping of args to routines to be explicit; if we let things
1028 # be deferred 'til after an STGJUMP, imminent death is certain!
1030 # -fomit-frame-pointer : *don't*
1031 # It's better to have a6 completely tied up being a frame pointer
1032 # rather than let GCC pick random things to do with it.
1033 # (If we want to steal a6, then we would try to do things
1034 # as on iX86, where we *do* steal the frame pointer [%ebp].)
1036 unshift(@CcRegd_flags_hc, '-fno-defer-pop');
1037 unshift(@CcRegd_flags, '-fno-omit-frame-pointer');
1038 # maybe gives reg alloc a better time
1039 # also: -fno-defer-pop is not sufficiently well-behaved without it
1041 } elsif ($TargetPlatform =~ /^mips-/) {
1042 unshift(@CcBoth_flags, ('-static'));
1044 } elsif ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
1045 unshift(@CcBoth_flags, ('-static')); # always easier to start with
1046 unshift(@CcRegd_flags, ('-finhibit-size-directive')); # avoids traceback tables
1047 } elsif ($TargetPlatform =~ /^sparc-/) {
1049 } # end of setupMachOpts
1052 %************************************************************************
1054 \subsection{Set up for warnings}
1056 %************************************************************************
1058 Several warnings are turned on by default. These are supposed to be
1059 the 'I'm pretty sure you've made a mistake here' kind of warnings.
1060 The rest are turned on by the -W and -Wall options, or individually
1061 via their -fwarn and -fno-warn flags.
1064 sub setupWarningFlags {
1065 &add_Hsc_flags( @StandardWarnings );
1069 Same unshifting magic, but for special linker flags.
1071 The configure script determines whether the object file symbol tables
1072 have a leading underscore, and sets @LeadingUnderscore@ accordingly.
1073 (The driver script `sees' the setting of the @LeadingUnderscore@
1074 by having the Makefile prepend it).
1078 local($uscore) = ( ${LeadingUnderscore} eq 'YES' ) ? '_' : '';
1081 (($Ld_main) ? ( '-u', "${uscore}Main_" . $Ld_main . '_closure' ) : ()));
1083 # things that are referenced by the RTS - make sure that we pull 'em in
1085 ( '-u', "${uscore}PrelBase_Izh_static_info"
1086 ,'-u', "${uscore}PrelBase_Czh_static_info"
1087 ,'-u', "${uscore}PrelFloat_Fzh_static_info"
1088 ,'-u', "${uscore}PrelFloat_Dzh_static_info"
1089 ,'-u', "${uscore}PrelAddr_Azh_static_info"
1090 ,'-u', "${uscore}PrelAddr_Wzh_static_info"
1091 ,'-u', "${uscore}PrelAddr_I64zh_static_info"
1092 ,'-u', "${uscore}PrelAddr_W64zh_static_info"
1093 ,'-u', "${uscore}PrelStable_StablePtr_static_info"
1094 ,'-u', "${uscore}PrelBase_Izh_con_info"
1095 ,'-u', "${uscore}PrelBase_Czh_con_info"
1096 ,'-u', "${uscore}PrelFloat_Fzh_con_info"
1097 ,'-u', "${uscore}PrelFloat_Dzh_con_info"
1098 ,'-u', "${uscore}PrelAddr_Azh_con_info"
1099 ,'-u', "${uscore}PrelAddr_Wzh_con_info"
1100 ,'-u', "${uscore}PrelAddr_I64zh_con_info"
1101 ,'-u', "${uscore}PrelAddr_W64zh_con_info"
1102 ,'-u', "${uscore}PrelStable_StablePtr_con_info"
1103 ,'-u', "${uscore}PrelBase_False_closure"
1104 ,'-u', "${uscore}PrelBase_True_closure"
1105 ,'-u', "${uscore}PrelPack_unpackCString_closure"
1106 ,'-u', "${uscore}PrelException_stackOverflow_closure"
1107 ,'-u', "${uscore}PrelException_heapOverflow_closure"
1108 ,'-u', "${uscore}PrelException_NonTermination_closure"
1109 ,'-u', "${uscore}PrelException_PutFullMVar_closure"
1110 ,'-u', "${uscore}PrelException_BlockedOnDeadMVar_closure"
1111 ,'-u', "${uscore}__init_Prelude"
1112 ,'-u', "${uscore}__init_PrelMain"
1114 if (!$NoHaskellMain) {
1115 unshift (@Ld_flags,'-u', "${uscore}PrelMain_mainIO_closure");
1117 if ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
1118 # sometimes we have lots of toc entries...
1119 # unshift(@Ld_flags, ('-Xlinker -bbigtoc -Xlinker -bnoquiet'));
1120 unshift(@Ld_flags, ('-Xlinker -bbigtoc'));
1122 if ($TargetPlatform =~ /^hppa/) {
1123 unshift(@Ld_flags, ('-Xlinker +vnocompatwarnings'));
1126 } # end of setupLinkOpts
1130 %************************************************************************
1132 \subsection{Set up include paths and system-library enslurpment}
1134 %************************************************************************
1136 Now that we know what garbage-collector, etc., are required, we can
1137 finalise our list of libraries to slurp through, and generally Get
1142 # default includes must be added AFTER option processing
1143 if ( ! $INSTALLING ) {
1144 push (@Include_dir, "$TopPwd/${CURRENT_DIR}/${GHC_INCLUDE_DIR}");
1146 push (@Include_dir, "$InstLibDirGhc/includes");
1148 } # end of setupIncPaths
1153 push(@SysLibrary, ( '-lHSstd', '-lHSstd_cbits' )); # basic I/O and prelude stuff
1156 foreach $f (@SysLibrary) {
1157 next if $f =~ /_cbits/;
1158 $f .= $BuildTag if $f =~ /^-lHS/;
1161 # Push library HSrts, plus boring clib bit
1162 push(@SysLibrary, "-lHSrts${BuildTag}");
1165 # RTS compiled with cygwin32, uses the WinMM API
1166 # to implement the itimers, since cygwin.dll does not
1167 # support it. Only reqd. for `ways' that use itimers.
1169 push(@SysLibrary, '-lwinmm') if ($TargetPlatform =~ /-(mingw32|cygwin32)$/);
1170 # Note: currently only tested with mingw, may cause conflicts when linking
1172 push(@SysLibrary, '-lwsock32') if ($TargetPlatform =~ /-(mingw32|cygwin32)$/);
1174 # Push the pvm libraries
1175 if ($BuildTag eq '_mp') {
1176 $pvmlib = "$ENV{'PVM_ROOT'}/lib/$ENV{'PVM_ARCH'}";
1177 push(@SysLibrary, "-L$pvmlib", '-lgpvm3', '-lpvm3');
1178 if ( $ENV{'PVM_ARCH'} eq 'SUNMP' ) {
1179 push(@SysLibrary, '-lthread', '-lsocket', '-lnsl');
1180 } elsif ( $ENV{'PVM_ARCH'} eq 'SUN4SOL2' ) {
1181 push(@SysLibrary, '-lsocket', '-lnsl');
1185 # Push the GNU multi-precision arith lib; and the math library
1187 # If this machine has GMP already installed, then we'll get the installed
1188 # lib here, because presumably the one in the tree won't have been built.
1190 if ($LibGmp eq 'not-installed') {
1191 push(@SysLibrary, "-lgmp");
1193 push(@SysLibrary, "-l$LibGmp");
1196 push(@SysLibrary, '-lm') if !( $TargetPlatform =~ /^.*(cygwin32|mingw32)$/ );
1199 %************************************************************************
1201 \subsection{Check that this system was built to do what we are asking}
1203 %************************************************************************
1205 Before continuing we check that the appropriate build is available.
1208 #die "$Pgm: no BuildAvail?? $BuildTag\n" if $BuildDescr{$BuildTag} eq '' ; # sanity
1210 if ( $BuildDescr{$BuildTag} eq '' ) {
1211 print STDERR "$Pgm: a `", $BuildDescr{$BuildTag},
1212 "' \"build\" is not available with your GHC setup.\n";
1213 print STDERR "(It was not configured for it at your site.)\n";
1214 print STDERR $ShortUsage;
1218 } # end of setupSyslibs
1222 %************************************************************************
1224 \subsection{Final miscellaneous setup bits before we start going}
1226 %************************************************************************
1228 Record largest specific heapsize, if any.
1230 sub setupHeapStackSize {
1231 $Specific_heap_size = $Specific_heap_size * $Scale_sizes_by;
1232 push(@HsC_rts_flags, '-H'.$Specific_heap_size);
1233 $Specific_stk_size = $Specific_stk_size * $Scale_sizes_by;
1234 push(@HsC_rts_flags, "-K$Specific_stk_size");
1238 If no input or link files seen, then we let 'em feed in stdin; this is
1239 mainly for debugging.
1243 if ($#Input_file < 0 && $#Link_file < 0) {
1244 @Input_file = ( '-' );
1246 open(INF, "> $Tmp_prefix.hs") || &tidy_up_and_die(1,"Can't open $Tmp_prefix.hs\n");
1247 print STDERR "Enter your Haskell program, end with ^D (on a line of its own):\n" if -t;
1248 while (<STDIN>) { print INF $_; }
1249 close(INF) || &tidy_up_and_die(1,"Failed writing to $Tmp_prefix.hs\n");
1254 Tell the world who we are, if they asked.
1256 print STDERR "${ProjectName}, version ${ProjectVersion}\n" if $Verbose;
1259 %************************************************************************
1261 \section[Driver-main-loop]{Main loop: Process input files, and link if required}
1263 %************************************************************************
1265 Process the input files; don't continue with linking if there are
1266 problems (global variable @$Status@ non-zero).
1268 foreach $ifile (@Input_file) {
1269 &ProcessInputFile($ifile);
1272 # don't link if there were errors...
1273 if ( $Status > 0 ) {
1274 print STDERR $ShortUsage;
1279 # Link if appropriate.
1280 &runLinker() if $Do_lnkr;
1282 # that... that's all, folks!
1284 exit $Status; # will still be 0 if all went well
1287 %************************************************************************
1289 \section[Driver-do-one-file]{How to process a single input file}
1291 %************************************************************************
1294 sub ProcessInputFile {
1295 local($ifile) = @_; # input file name
1296 local($ifile_root); # root of or basename of input file
1297 local($ofile_target); # ultimate output file we hope to produce
1298 # from input file (need to know for recomp
1299 # checking purposes)
1300 local($hifile_target);# ditto (but .hi file)
1301 local($ofile_c_stub_target);
1302 local($ofile_h_stub_target);
1305 Handle the weirdity of input from stdin.
1307 if ($ifile ne '-') {
1308 ($ifile_root = $ifile) =~ s/\.[^\.\/]+$//;
1309 $ofile_target = # may be reset later...
1310 ($Specific_output_file ne '' && ! $Do_lnkr)
1311 ? $Specific_output_file
1312 : &odir_ify($ifile_root, 'o');
1313 $hifile_target= ($Specific_hi_file ne '')
1315 : "$ifile_root.$HiSuffix"; # ToDo: odirify?
1316 # NB: may change if $ifile_root isn't module name (??)
1317 ($ofile_c_stub_target = $ifile) =~s/\.[^\.\/]+$/_stub.c/;
1318 ($ofile_h_stub_target = $ifile) =~s/\.[^\.\/]+$/_stub.h/;
1320 $ifile = "$Tmp_prefix.hs"; # we know that's where we put the input
1321 $ifile_root = '_stdin';
1322 $ofile_target = '_stdout'; # gratuitous?
1323 $hifile_target= '_stdout'; # ditto?
1327 We need to decide what phases of the compilation system we will run
1328 over this file. The defaults are the ones established when processing
1329 flags. (That established what the last phase run for all files is.)
1331 We do the pre-recompilation-checker phases here; the rest later.
1335 Look at the suffix and decide what initial phases of compilation may
1336 be dropped off for this file. Also the rather boring business of
1337 which files are coming-in/going-out.
1339 Again, we'll do the post-recompilation-checker parts of this later.
1341 local($do_lit2pgm) = ($ifile =~ /\.lhs$/) ? 1 : 0;
1342 local($do_hscpp) = 1; # but "hscpp" might really be "cat"
1345 # names of the files to stuff between phases
1346 # defaults are temporaries
1347 local($in_lit2pgm) = $ifile;
1348 local($lit2pgm_hscpp) = "$Tmp_prefix.lpp";
1349 local($hscpp_hsc) = "$Tmp_prefix.cpp";
1350 local($hsc_hi) = "$Tmp_prefix.hi";
1351 local($cc_as_o) = "${Tmp_prefix}_o.s"; # temporary for raw .s file if opt C
1352 local($cc_as) = "$Tmp_prefix.s"; # mangled or hsc-produced .s code
1353 local($as_out) = $ofile_target;
1355 local($is_hc_file) = 1; #Is the C code .hc or .c? Assume .hc for now
1357 # OK, let's strip off some literate junk..
1359 &runLit2pgm($in_lit2pgm, $lit2pgm_hscpp)
1361 $lit2pgm_hscpp = $ifile;
1367 # Scan the top of the de-litted file for {-# OPTIONS #-} pragmas
1368 &check_for_source_options($lit2pgm_hscpp,$ifile);
1370 # Options found in the source file take a back seat, i.e., we scan
1371 # them first. Only process the command line again if source file
1372 # contained anything of interest *or* there's more than one
1373 # input file (we have to reset the options).
1375 if ( $#Input_file >= 0 || $#File_options >= 0) {
1376 #@File_options = (@File_options, @Cmd_opts);
1378 # Now process the command line
1379 &initDriverGlobals();
1380 &processArgs((@File_options,@Cmd_opts));
1381 print STDERR "\nEffective command line: " .
1382 join(' ',(@File_options,@Cmd_opts)) . "\n" if $Verbose;
1385 # Having got the effective command line scanned, set up
1386 # the various options in prep for some real work.
1388 # check the sanity of the BuildTag we're about to use,
1389 # and if needs be, add some more flags and setup to
1390 # the different phases.
1393 &setupOptimiseFlags();
1396 &setupWarningFlags();
1397 &setupHeapStackSize();
1400 # These two variables need to be set after the
1401 # command-line has been processed and the build options
1402 # have be seen set up. This is because command-line options
1403 # can control whether to compile vias C or not.
1405 local($do_cc) = ( $Do_cc != -1) # i.e., it was set explicitly
1407 : ( ($HscLang eq 'C') ? 1 : 0 );
1408 local($do_as) = $Do_as;
1410 local($hsc_out_suffix) = ( $HscLang eq 'C' ) ? "hc" :
1411 ( $HscLang eq 'asm' ) ? "s" :
1412 ( $HscLang eq 'java' ) ? "java" :
1415 local($hsc_out) = "$Tmp_prefix.$hsc_out_suffix" ;
1416 local($hsc_out_c_stub) = ( $HscLang eq 'C' ) ? "${Tmp_prefix}_stb.c" : "";
1417 local($hsc_out_h_stub) = ( $HscLang eq 'C' ) ? "${Tmp_prefix}_stb.h" : "";
1419 if ($Only_preprocess_hc) { # stop after having run $Cc -E
1422 if ($Only_preprocess_C) { # stop after having run $hscpp
1423 $do_hsc=0; $do_cc = 0; $do_as=0;
1424 } elsif ($ifile =~ /.lhs$/ || $ifile =~ /.hs$/ ) {
1426 } elsif ($ifile =~ /\.hc$/ || $ifile =~ /_hc$/ ) { # || $ifile =~ /\.$Isuffix$/o) # ToDo: better
1427 $do_hscpp = 0; $do_hsc = 0; $do_cc = 1;
1429 $hsc_out_c_stub = '';
1430 $hsc_out_h_stub = '';
1431 } elsif ($ifile =~ /\.c$/) {
1432 $do_hscpp = 0; $do_hsc = 0; $do_cc = 1;
1433 $hsc_out = $ifile; $is_hc_file = 0;
1434 $hsc_out_c_stub = '';
1435 $hsc_out_h_stub = '';
1436 } elsif ($ifile =~ /\.[sS]$/) {
1437 $do_hscpp = 0; $do_hsc = 0; $do_cc = 0;
1439 } else { # don't know what it is, but nothing to do herein...
1440 $do_hscpp = 0; $do_hsc = 0; $do_cc = 0; $do_as = 0;
1443 # hack to avoid running hscpp
1444 $HsCpp = $Cat if ! $Cpp_flag_set;
1446 &runHscpp($in_lit2pgm, $lit2pgm_hscpp, $hscpp_hsc) if $do_hscpp;
1450 We now think about whether to run hsc/cc or not (when hsc produces .s
1451 stuff, it effectively takes the place of both phases).
1452 To get the output file name right: for each phase that we are {\em
1453 not} going to run, set its input (i.e., the output of its preceding
1454 phase) to @"$ifile_root.<suffix>"@.
1457 local($going_interactive) = $HscLang eq 'none' || $ifile_root eq '_stdin';
1460 # Warning issued if -keep-hc-file-too is used without
1461 # -fvia-C (or the equivalent)
1463 if ( $HscLang ne 'C' && $Keep_hc_file_too ) {
1464 print STDERR "$Pgm: warning: Native code generator to be used, -keep-hc-file-too will be ignored\n";
1467 if (! $do_cc && ! $do_as) { # stopping after hsc
1468 $hsc_out = ($Specific_output_file ne '')
1469 ? $Specific_output_file
1470 : &odir_ify($ifile_root, $hsc_out_suffix);
1472 $ofile_target = $hsc_out; # reset
1475 if (! $do_as) { # stopping after gcc (or hsc)
1476 $cc_as = ($Specific_output_file ne '')
1477 ? $Specific_output_file
1478 : &odir_ify($ifile_root, ( $Only_preprocess_hc ) ? 'i' : 's');
1480 $ofile_target = $cc_as; # reset
1486 Now the Haskell compiler, C compiler, and assembler
1490 &runHscAndProcessInterfaces( $ifile, $hscpp_hsc, $ifile_root,
1491 $ofile_target, $hifile_target,
1492 $going_interactive);
1495 if (-f $hsc_out_h_stub) {
1496 &run_something("cp $hsc_out_h_stub $ofile_h_stub_target", 'Copy foreign export header file');
1499 if (-f $hsc_out_c_stub) {
1500 &run_something("rm -f $ofile_c_stub_target && echo '#include \"${ofile_h_stub_target}\"' > $ofile_c_stub_target && cat $hsc_out_c_stub >> $ofile_c_stub_target", 'Copy foreign export C stubs');
1501 local ($hsc_out_s_stub);
1502 local ($hsc_out_o_stub);
1503 ($ofile_s_stub_target = $ofile_c_stub_target) =~ s/\.(.*)$/\.s/;
1504 ($ofile_o_stub_target = $ofile_c_stub_target) =~ s/\.(.*)$//;
1506 $ofile_o_stub_target = &osuf_ify($ofile_o_stub_target, "o");
1508 &runGcc (0, $ofile_c_stub_target, $ofile_s_stub_target);
1509 &runAs ($ofile_o_stub_target, $ofile_s_stub_target);
1512 # Bring the C stub protos into scope when compiling the .hc file.
1514 push (@CcInjects, "#include \"${hsc_out_h_stub}\"\n");
1515 # Hack - ensure that the stub .h file is included in the OPTIONS section
1516 # if the .hc file is saved.
1517 push (@File_options, "-#include \"${ofile_h_stub_target}\"\n");
1522 &runGcc ($is_hc_file, $hsc_out, $cc_as_o);
1523 &runMangler($is_hc_file, $cc_as_o, $cc_as, $ifile_root) if ! $Only_preprocess_hc;
1526 &split_asm_file($cc_as) if $do_as && $SplitObjFiles;
1528 # save a copy of the .s file..
1529 &saveIntermediate($ifile_root , "s" , $cc_as) if ($do_as && $Keep_s_file_too);
1530 &runAs($as_out, $ifile_root) if $do_as;
1533 Finally, decide what to queue up for linker input.
1535 # tentatively assume we will eventually produce linker input:
1536 push(@Link_file, &odir_ify($ifile_root, 'o'));
1538 #ToDo: local($or_isuf) = ($Isuffix eq '') ? '' : "|$Isuffix";
1540 if ( $ifile !~ /\.(lhs|hs|hc|c|s|a|S)$/ && $ifile !~ /_hc$/ ) {
1541 # There's sometimes confusion regarding .hi files; users
1542 # supplying them on the command line.
1543 if ( $ifile =~ /\.hi$/ ) {
1544 print STDERR "$Pgm: warning: found `$ifile' on command line; interface files should not be supplied here - ignoring it.\n";
1546 print STDERR "$Pgm: don't recognise suffix on `$ifile'; passing it through to linker\n";
1548 # oops; we tentatively pushed the wrong thing; fix & do the right thing
1549 pop(@Link_file); push(@Link_file, $ifile);
1553 } # end of ProcessInputFile
1556 %************************************************************************
1558 \section[Driver-run-phases]{Routines to run the various phases}
1560 %************************************************************************
1564 local($in_lit2pgm, $lit2pgm_hscpp) = @_;
1568 # Only add #line pragma if we're going to need it.
1569 $to_do = "echo '#line 1 \"$in_lit2pgm\"' > $lit2pgm_hscpp && " if ($Cpp_flag_set);
1570 $to_do .= "$Unlit @Unlit_flags $in_lit2pgm - >> $lit2pgm_hscpp";
1572 push(@Files_to_tidy, $lit2pgm_hscpp );
1574 &run_something($to_do, 'literate pre-processor');
1580 local($in_lit2pgm, $lit2pgm_hscpp, $hscpp_hsc) = @_;
1584 # Strictly speaking, echoing of the following line pragma is only required
1585 # on non-delit'ed input, as we've already added it during de-lit. However,
1586 # hscpp will then add a {-# LINE 1 "$lit2pgm_hsc" -} to the top of the file,
1587 # which is not very informative (but harmless). Hence, we uniformly have
1588 # {-# LINE 1 "$in_lit2pgm" #-} as the first line to all cpp'ed hsc input.
1590 $to_do = "echo '{-# LINE 1 \"$in_lit2pgm\" -}' > $hscpp_hsc && ";
1592 if ($HsCpp eq $Cat) {
1593 $to_do .= "$HsCpp $lit2pgm_hscpp >> $hscpp_hsc";
1594 push(@Files_to_tidy, $hscpp_hsc );
1595 &run_something($to_do, 'Ineffective C pre-processor');
1597 local($includes) = '-I' . join(' -I',@Include_dir);
1598 $to_do .= "$HsCpp $Verbose @HsCpp_flags @HsSourceCppOpts $includes $lit2pgm_hscpp >> $hscpp_hsc";
1599 push(@Files_to_tidy, $hscpp_hsc );
1600 &run_something($to_do, 'Haskellised C pre-processor');
1603 if ( $Only_preprocess_C ) {
1604 $to_do = "$Cat $hscpp_hsc";
1605 &run_something($to_do, '');
1613 sub runHscAndProcessInterfaces {
1614 local($ifile, $hscpp_hsc, $ifile_root,
1615 $ofile_target, $hifile_target,
1616 $going_interactive) = @_;
1618 # $ifile is the original input file
1619 # $hscpp_hsc post-unlit, post-cpp, etc., input file
1620 # $ifile_root input filename minus suffix
1621 # $ofile_target the output file that we ultimately hope to produce
1622 # $hifile_target the .hi file ... (ditto)
1624 local($source_unchanged) = 1;
1626 # Check if the source file is up to date relative to the target; in
1627 # that case we say "source is unchanged" and let the compiler bail out
1628 # early if the import usage information allows it.
1630 ($i_dev,$i_ino,$i_mode,$i_nlink,$i_uid,$i_gid,$i_rdev,$i_size,
1631 $i_atime,$i_mtime,$i_ctime,$i_blksize,$i_blocks) = stat($ifile);
1633 # The informational messages below are now conditional on -v being set -- SOF
1634 if ( $ofile_target ne "_stdin.s" && ! -f $ofile_target ) {
1635 print STDERR "$Pgm:compile:Output file $ofile_target doesn't exist\n" if $Verbose;
1636 $source_unchanged = 0;
1639 ($o_dev,$o_ino,$o_mode,$o_nlink,$o_uid,$o_gid,$o_rdev,$o_size,
1640 $o_atime,$o_mtime,$o_ctime,$o_blksize,$o_blocks) = stat(_); # stat info from -f test
1642 if ( $hifile_target ne "_stdout" && ! -f $hifile_target ) {
1643 print STDERR "$Pgm:compile:Interface file $hifile_target doesn't exist\n" if $Verbose;
1644 $source_unchanged = 0;
1647 ($hi_dev,$hi_ino,$hi_mode,$hi_nlink,$hi_uid,$hi_gid,$hi_rdev,$hi_size,
1648 $hi_atime,$hi_mtime,$hi_ctime,$hi_blksize,$hi_blocks) = stat(_); # stat info from -f test
1650 if ( $ofile_target ne "_stdin.s" && $i_mtime > $o_mtime) {
1651 print STDERR "$Pgm:recompile:Input file $ifile newer than $ofile_target\n" if $Verbose;
1652 $source_unchanged = 0;
1655 # Tell the compiler which version we're using
1656 push(@HsC_flags, "-fhi-version=${ProjectVersionInt}");
1658 # So if source_unchanged is still "1", we pass on the good news to the compiler
1659 # The -recomp flag can disable this, forcing recompilation
1660 if ($Do_recomp_chkr && $source_unchanged) {
1661 push(@HsC_flags, '-fsource-unchanged');
1664 # Indicate whether we're static or not.
1665 # This will only ever
1666 push(@HsC_flags, '-static') if $Static;
1670 &runHsc($ifile_root, $hsc_out, $hsc_hi, $hsc_out_c_stub, $hsc_out_h_stub, $going_interactive);
1672 # See if it bailed out early, saying nothing needed doing.
1673 # We work this out by seeing if it created an output .hi file
1675 if ( ! -f $hsc_hi && $ProduceHi !~ /-nohifile=/ ) {
1676 # Doesn't exist, so we bailed out early.
1677 # Tell the C compiler and assembler not to run
1678 $do_cc = 0; $do_as = 0;
1680 # Update dependency info, by touching the object file
1681 # This records in the file system that the work of
1682 # recompiling this module has been done
1684 &run_something("touch $ofile_target",
1685 "Touch $ofile_target, to propagate dependencies") if $HscLang ne 'none';
1689 # Didn't bail out early (new .hi file) so we thunder on
1691 # If non-interactive, heave in the consistency info at the end
1692 # NB: pretty hackish (depends on how $output is set)
1693 if ( ! $going_interactive ) {
1694 if ( $HscLang eq 'C' ) {
1695 $to_do = "echo 'static char ghc_hsc_ID[] = \"\@(#)hsc $ifile\t$HsC_major_version.$HsC_minor_version,$HsC_consist_options\";' >> $hsc_out";
1697 &run_something($to_do, 'Pin on Haskell consistency info');
1698 } elsif ( $HscLang eq 'asm' ) {
1699 local($consist) = "hsc.$ifile.$HsC_major_version.$HsC_minor_version.$HsC_consist_options";
1700 $consist =~ s/,/./g;
1701 $consist =~ s/\//./g;
1702 $consist =~ s/-/_/g;
1703 $consist =~ s/[^A-Za-z0-9_.]/ZZ/g; # ToDo: properly?
1704 $to_do = "echo '\n\t.text\n$consist:' >> $hsc_out";
1705 &run_something($to_do, 'Pin on Haskell consistency info');
1707 # no consistency info for Java output files
1711 # Interface-handling is important enough to live off by itself
1712 if ( $ProduceHi !~ /-nohifile=/ ) { # If we've produced one, process it.
1713 require('ghc-iface.prl') || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-iface.prl!\n");
1714 &postprocessHiFile($hsc_hi, $hifile_target, $going_interactive);
1716 # if we're going to split up object files,
1717 # we inject split markers into the .hc file now
1718 if ( $HscLang eq 'C' && $SplitObjFiles ) {
1719 &inject_split_markers ( $hsc_out );
1722 # save a copy of the .hc file, even if we are carrying on...
1723 if ($HscLang eq 'C' && $do_cc && $Keep_hc_file_too) {
1724 &saveIntermediate($ifile_root , "hc" , $hsc_out);
1734 local($ifile_root, $hsc_out, $hsc_hi, $hsc_out_c_stub, $hsc_out_h_stub, $going_interactive) = @_;
1736 &makeHiMap() unless $HiMapDone;
1737 push(@HsC_flags, "\"-himap=$HiIncludeString\"");
1738 push(@HsC_flags, "\"-himap-sep=${SplitMarker}\"");
1740 # here, we may produce .hc/.s and/or .hi files
1741 local($output) = '';
1742 #@Files_to_tidy = ();
1744 if ( $going_interactive ) {
1745 # don't need .hi unless we're going to show it on stdout:
1746 $ProduceHi = '-nohifile=' if ! ($HiOnStdout || $Specific_hi_file ne '' );
1747 $do_cc = 0; $do_as = 0; $Do_lnkr = 0; # and we won't go any further...
1750 # set up for producing output/.hi; note that flag twiddling
1751 # may mean that nothing will actually be produced:
1752 $oflags = ( $HscLang eq 'none' ? "" : "-olang=$HscLang -ofile=$hsc_out" ) ;
1753 $output = "$ProduceHi$hsc_hi $oflags -F=$hsc_out_c_stub -FH=$hsc_out_h_stub";
1754 push(@Files_to_tidy, $hsc_hi, $hsc_out, $hsc_out_c_stub, $hsc_out_h_stub );
1756 # if we're compiling foo.hs, we want the GC stats to end up in foo.stat
1757 if ( $CollectingGCstats ) {
1758 push(@HsC_rts_flags, "-S$ifile_root.stat");
1759 push(@Files_to_tidy, "$ifile_root.stat");
1762 if ( $CollectGhcTimings ) { # assume $RTS_style eq 'ghc'
1763 # emit nofibbish time/bytes-alloc stats to stderr;
1764 # see later .stat file post-processing
1765 print STDERR "warning: both -Rgc-stats and -Rghc-timing used, -Rghc-timing wins." if $CollectingGCstats;
1766 push(@HsC_rts_flags, "-S$Tmp_prefix.stat");
1767 push(@Files_to_tidy, "$Tmp_prefix.stat");
1771 if ($Specific_dump_file ne '') {
1772 $dump = "2>> $Specific_dump_file";
1773 $Using_dump_file = 1;
1777 # Win32 only: If the command processor used by system()
1778 # exec()s the application as an ordinary Win32 executable,
1779 # we're in trouble here, since the command line is likely
1780 # to be > 255 chars long. To work around this situation,
1781 # $HsC also understands `at-files', i.e., `@file' on the
1782 # command line will cause $HsC to add the contents of `file'
1783 # to the command line.
1785 # [ Note: support for `at-files' is not compiled in by default ]
1786 $cmd_line_opts_via_at_file=0;
1787 if ($cmd_line_opts_via_at_file) {
1789 local($to_do_opts) = "$Tmp_prefix.opts";
1790 open(OPTS, "> $Tmp_prefix.opts") || &tidy_up_and_die(1,"Can't open $Tmp_prefix.opts\n");
1791 print OPTS "$dump @HsC_flags $CoreLint $USPLint $StgLint $Verbose";
1793 $to_do = "$HsC $hscpp_hsc \@$Tmp_prefix.opts $output +RTS @HsC_rts_flags";
1797 $to_do = "$HsC $hscpp_hsc $dump @HsC_flags $CoreLint $USPLint $StgLint $Verbose $output +RTS @HsC_rts_flags";
1799 &run_something($to_do, 'Haskell compiler');
1801 # finish business w/ nofibbish time/bytes-alloc stats
1802 &process_ghc_timings() if $CollectGhcTimings;
1806 Use \tr{@Import_dir} and \tr{@SysImport_dir} to make a tmp file
1807 of (module-name, pathname) pairs, one per line, separated by a space.
1810 $HiIncludeString = (); # dir1:dir2:dir3, to pass to GHC
1814 # collect in %HiMap; write later; also used elsewhere in driver
1816 local($mod, $path, $d, $e);
1818 # reset the global variables:
1820 $HiIncludeString = (); # dir1:dir2:dir3, to pass to GHC
1822 foreach $d ( @Import_dir ) {
1823 if ($HiIncludeString) {
1824 $HiIncludeString = "$HiIncludeString${SplitMarker}${d}%.${HiSuffix}";
1826 $HiIncludeString = "$d%.${HiSuffix}";
1831 foreach $d ( @SysImport_dir ) {
1832 if ($HiIncludeString) {
1833 $HiIncludeString = "$HiIncludeString${SplitMarker}${d}%.${HiSuffix_prelude}";
1835 $HiIncludeString = "${d}%.${HiSuffix_prelude}";
1844 Invoke the 'linker' - either the standard linker or the one used to build
1850 local($libdirs) = '';
1852 # append last minute flags linker and consistency flags
1857 # glue them together:
1858 push(@UserLibrary_dir, @SysLibrary_dir);
1860 $libdirs = '-L' . join(' -L',@UserLibrary_dir) if $#UserLibrary_dir >= 0;
1862 # for a linker, use an explicitly given one, or the going C compiler ...
1863 local($lnkr) = ( $Lnkr ) ? $Lnkr : $CcRegd;
1865 if ( ($Specific_output_file eq '') &&
1866 ( ($TargetPlatform eq 'i386-unknown-cygwin32') ||
1867 ($TargetPlatform eq 'i386-unknown-mingw32')) ) {
1868 $Specific_output_file = 'main.exe';
1869 print STDERR "Output file not specified, defaulting to \"main.exe\"\n";
1872 local($output) = ($Specific_output_file ne '') ? "-o $Specific_output_file" : '';
1873 @Files_to_tidy = ($Specific_output_file ne '') ? $Specific_output_file : 'a.out';
1875 &prepareWin32DllLink(1);
1877 local($to_do) = "$lnkr $Verbose @Ld_flags $output @Link_file $libdirs @UserLibrary @SysLibrary";
1878 &run_something($to_do, 'Linker');
1880 # finally, check the consistency info in the binary
1881 local($executable) = $Files_to_tidy[0];
1882 @Files_to_tidy = (); # reset; we don't want to nuke it if it's inconsistent
1885 # dynamically load consistency-chking code; then do it.
1886 require('ghc-consist.prl')
1887 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-consist.prl!\n");
1889 &chk_consistency_info ( $executable );
1892 # if PVM parallel stuff, we do truly weird things.
1893 # Essentially: (1) move the executable over to where PVM expects
1894 # to find it. (2) create a script in place of the executable
1895 # which will cause the program to be run, via SysMan.
1896 if ( $PARing eq 'p' ) {
1897 local($pvm_executable) = $executable;
1898 local($pvm_executable_base);
1900 if ( $pvm_executable !~ /^\// ) { # a relative path name: make absolute
1901 local($pwd) = `pwd`;
1903 $pwd =~ s/^\/tmp_mnt//;
1904 $pvm_executable = "$pwd/$pvm_executable";
1907 $pvm_executable =~ s|/|=|g; # make /s into =s
1908 $pvm_executable_base = $pvm_executable;
1910 $pvm_executable = $ENV{'PVM_ROOT'} . '/bin/' . $ENV{'PVM_ARCH'}
1911 . "/$pvm_executable";
1913 &run_something("$Rm -f $pvm_executable; $Cp -p $executable $pvm_executable && $Rm -f $executable", 'Moving binary to PVM land');
1915 # OK, now create the magic script for "$executable"
1916 open(EXEC, "> $executable") || &tidy_up_and_die(1,"$Pgm: couldn't open $executable to write!\n");
1917 print EXEC <<EOSCRIPT1;
1918 eval 'exec perl -S \$0 \${1+"\$@"}'
1919 if \$running_under_some_shell;
1920 # =!=!=!=!=!=!=!=!=!=!=!
1921 # This script is automatically generated: DO NOT EDIT!!!
1922 # Generated by Glasgow Haskell, version ${ProjectVersion}
1923 # ngoqvam choHbogh vaj' vIHoHnISbej !!!!
1925 \$pvm_executable = '$pvm_executable';
1926 \$pvm_executable_base = '$pvm_executable_base';
1927 \$SysMan = '$SysMan';
1930 print EXEC <<\EOSCRIPT2;
1931 # first, some magical shortcuts to run "commands" on the binary
1933 if ($#ARGV == 1 && $ARGV[0] eq '+RTS' && $ARGV[1] =~ /^--((size|file|strip|rm|nm).*)/ ) {
1935 system("$cmd $pvm_executable");
1939 # OK, really run it; process the args first
1940 $ENV{'PE'} = $pvm_executable_base;
1942 $nprocessors = 2; # the default
1946 # ToDo: handle --RTS
1947 args: while ($a = shift(@ARGV)) {
1948 if ( $a eq '+RTS' ) {
1950 } elsif ( $a eq '-RTS' ) {
1953 if ( $a eq '-d' && $in_RTS_args ) {
1955 } elsif ( $a =~ /^-qN(\d+)/ && $in_RTS_args ) {
1957 } elsif ( $a =~ /^-qp(\d+)/ && $in_RTS_args ) {
1960 push(@nonPVM_args, $a);
1964 local($return_val) = 0;
1965 system("$SysMan $debug $pvm_executable $nprocessors @nonPVM_args");
1967 system("mv $ENV{'HOME'}/$pvm_executable_base.???.gr .") if -f "$ENV{'HOME'}/$pvm_executable_base.001.gr";
1970 close(EXEC) || die "Failed closing $executable\n";
1971 chmod 0755, $executable;
1979 # append last minute flags linker and consistency flags
1984 # glue them together:
1985 push(@UserLibrary_dir, @SysLibrary_dir);
1987 $libdirs = '-L' . join(' -L',@UserLibrary_dir) if $#UserLibrary_dir >= 0;
1989 &prepareWin32DllLink(0);
1991 local ($bld_dll) = "dllwrap";
1993 local ($output) = ($Specific_output_file ne '') ? "$Specific_output_file" : 'HSdll.dll';
1994 local ($output_dir);
1995 local ($output_file);
1996 local ($output_lib, $output_def);
1998 ($output_dir = $output) =~ s|(.*/)[^/]+$|$1|;
1999 $output_dir = "" if ($output_dir eq $output);
2000 ($output_file = $output) =~ s|.*/([^/]+)$|$1|;
2002 ($output_lib = $output_file) =~ s|(.+)\.[^\.]*$|${output_dir}lib$1_imp.a|;
2003 ($output_def = $output_file) =~ s|(.+)\.[^\.]*$|${output_dir}$1.def|;
2005 push (@Dll_flags, "-mno-cygwin --target=i386-mingw32") if ($TargetPlatform =~ /^.*mingw32$/);
2006 push (@Dll_flags, "--output-lib $output_lib");
2007 # If the "--def " option hasn't been supplied, assume everything
2008 # is going to be exported via the DLL.."
2009 if (!grep(/--def/, @Dll_flags)) {
2010 push (@Dll_flags, "--export-all --output-def $output_def");
2013 local($to_do) = "$bld_dll @Dll_flags -o $output @Link_file $libdirs @UserLibrary @SysLibrary";
2014 # Make sure the user sees this piece of magic.
2015 print STDERR "$to_do\n" if (!$Verbose);
2016 &run_something($to_do, 'DLL creator');
2019 sub prepareWin32DllLink
2021 local($linking_main) = @_;
2024 # Win32 DLLs - link with import libraries, not the real archives.
2026 if ( $TargetPlatform =~ /-mingw32$/ ) {
2029 # If the libraries have the form libHSfoo.a, we
2030 # transform that into libHSfoo_imp.a - the import
2031 # library of the DLL.
2033 foreach $a ( @SysLibrary ) {
2034 $a = "${a}_imp" if ($a =~ /^-lHS/);
2036 foreach $a ( @UserLibrary ) {
2037 $a = "${a}_imp" if ($a =~ /^-lHS/);
2039 push(@Link_file, ( $INSTALLING ) ? "$InstLibDirGhc/Main.dll_o"
2040 : "$TopPwd/$CURRENT_DIR/$GHC_RUNTIME_DIR/Main.dll_o") if $linking_main;
2041 push(@Link_file, ( $INSTALLING ) ? "$InstLibDirGhc/PrelMain.dll_o"
2042 : "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std/PrelMain.dll_o") if $linking_main;
2044 push(@Ld_flags, "-mno-cygwin");
2050 %************************************************************************
2052 \section[Driver-misc-utils]{Miscellaneous utilities}
2054 %************************************************************************
2056 %************************************************************************
2058 \subsection[Driver-odir-ify]{@odir_ify@: Mangle filename if \tr{-odir} set}
2060 %************************************************************************
2064 local($ofile,$def_suffix) = @_;
2066 return(($Osuffix eq '') ? "$ofile.$def_suffix" : "$ofile.$Osuffix" );
2070 local($orig_file, $def_suffix) = @_;
2071 if ($Specific_output_dir eq '') { # do nothing
2072 &osuf_ify($orig_file, $def_suffix);
2074 local ($orig_file_only);
2075 ($orig_file_only = $orig_file) =~ s|.*/||;
2076 &osuf_ify("$Specific_output_dir/$orig_file_only",$def_suffix);
2083 local($is_hc_file, $hsc_out, $cc_as_o) = @_;
2085 local($includes) = '-I' . join(' -I', @Include_dir);
2088 local($c_flags) = "@CcBoth_flags";
2089 local($ddebug_flag) = ( $DEBUGging ) ? '-DDEBUG' : '';
2091 $c_flags .= " -mno-cygwin" if ( $TargetPlatform =~ /-mingw32$/ );
2093 # "input" files to use that are not in some weird directory;
2094 # to help C compilers grok .hc files [ToDo: de-hackify]
2095 local($cc_help) = "ghc$$.c";
2096 local($cc_help_s) = "ghc$$.s";
2099 $s_output = (($is_hc_file && $DoAsmMangling) || $TargetPlatform =~ /^(powerpc|rs6000|hppa)/) ? $cc_as_o : $cc_as;
2100 $c_flags .= " @CcRegd_flags";
2101 $c_flags .= ($is_hc_file) ? " @CcRegd_flags_hc" : " @CcRegd_flags_c";
2103 # C compiler won't like the .hc extension. So we create
2104 # a tmp .c file which #include's the needful.
2105 open(TMP, "> $cc_help") || &tidy_up_and_die(1,"$Pgm: failed to open `$cc_help' (to write)\n");
2106 if ( $is_hc_file ) {
2110 # user may have asked for #includes to be injected...
2111 print TMP @CcInjects if $#CcInjects >= 0;
2113 # Straight .c files may want to know that they're being used
2114 # with a particular version of GHC, so we define __GLASGOW_HASKELL__ for their benefit.
2115 print TMP "#define __GLASGOW_HASKELL__ ${ProjectVersionInt}\n";
2117 # heave in the consistency info
2118 print TMP "static char ghc_cc_ID[] = \"\@(#)cc $ifile\t$Cc_major_version.$Cc_minor_version,$Cc_consist_options\";\n";
2120 print TMP "#include \"$hsc_out\"\n";
2121 close(TMP) || &tidy_up_and_die(1,"Failed writing to $cc_help\n");
2123 # Don't redirect stderr into intermediate file if slamming output onto stdout (e.g., with -E)
2124 local($fuse_stderr) = "2>&1" if ! $Only_preprocess_hc;
2125 local($to_do) = "$cc $Verbose $ddebug_flag $c_flags @Cpp_define $includes $cc_help > $Tmp_prefix.ccout $fuse_stderr && ( if [ $cc_help_s != $s_output ] ; then mv $cc_help_s $s_output ; else exit 0 ; fi )";
2127 if ( $Only_preprocess_hc ) { # HACK ALERT!
2128 $to_do =~ s/ -S\b//g;
2130 push(@Files_to_tidy, $cc_help, $cc_help_s, $s_output );
2131 $PostprocessCcOutput = 1 if ! $Only_preprocess_hc; # hack, dear hack...
2132 &run_something($to_do, 'C compiler');
2133 $PostprocessCcOutput = 0;
2134 if ( $Only_preprocess_hc ) {
2135 system("$Cat $Tmp_prefix.ccout");
2137 unlink($cc_help, $cc_help_s);
2143 local($is_hc_file, $cc_as_o, $cc_as, $ifile_root) = @_;
2145 print STDERR `cat $cc_as_o` if $Dump_raw_asm; # to stderr, before mangling
2147 if ($is_hc_file && $DoAsmMangling) {
2148 # dynamically load assembler-fiddling code, which we are about to use:
2149 require('ghc-asm.prl')
2150 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm.prl!\n");
2151 # post-process the assembler [.hc files only]
2152 &mangle_asm($cc_as_o, $cc_as);
2154 } elsif ($TargetPlatform =~ /^hppa/) {
2155 # minor mangling of non-threaded files for hp-pa only
2156 require('ghc-asm.prl')
2157 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm-hppa.prl!\n");
2158 &mini_mangle_asm_hppa($cc_as_o, $cc_as);
2160 } elsif ($TargetPlatform =~ /^powerpc|^rs6000/) {
2161 # minor mangling of non-threaded files for powerpcs and rs6000s
2162 require('ghc-asm.prl')
2163 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm-powerpc.prl!\n");
2164 &mini_mangle_asm_powerpc($cc_as_o, $cc_as);
2167 # save a copy of the .s file, even if we are carrying on...
2168 #if ($do_as && $Keep_s_file_too) {
2169 # &saveIntermediate($ifile_root , "s" , $cc_as);
2176 local($as_out, $ifile_root) = @_;
2178 local($asmblr) = ( $As ) ? $As : $CcRegd;
2180 # need to add the -I flags in case the file is going through cpp (.S files)
2181 local($includes) = '-I' . join(' -I', @Include_dir);
2183 if ( ! $SplitObjFiles || $ifile_root =~ /_stub\.s$/ ) {
2184 local($to_do) = "$asmblr -o $as_out -c @As_flags $includes $cc_as";
2185 push(@Files_to_tidy, $as_out );
2186 &run_something($to_do, 'Unix assembler');
2188 } else { # more complicated split-ification...
2190 # must assemble files $Tmp_prefix__[1 .. $NoOfSplitFiles].s
2192 # If -odir is used, great, just pin it in front of the
2193 # generated split file names. If it hasn't been set, we
2194 # snatch it from the ifile_root.
2198 if ( $Specific_output_dir eq '' ) {
2199 $Specific_output_dir = ${ifile_root};
2202 for ($f = 1; $f <= $NoOfSplitFiles; $f++ ) {
2203 local($split_out) = &odir_ify("${ifile_root}__${f}",'o');
2204 local($to_do) = "$asmblr -o $split_out -c @As_flags ${Tmp_prefix}__${f}.s";
2205 push(@Files_to_tidy, $split_out );
2207 &run_something($to_do, 'Unix assembler');
2213 %************************************************************************
2215 \subsection[Driver-run-something]{@run_something@: Run a phase}
2217 %************************************************************************
2221 local($str_to_do, $tidy_name) = @_;
2223 print STDERR "\n$tidy_name:\n\t" if $Verbose;
2224 print STDERR "$str_to_do\n" if $Verbose;
2226 if ($Using_dump_file) {
2227 open(DUMP, ">> $Specific_dump_file")
2228 || &tidy_up_and_die(1,"$Pgm: failed to open `$Specific_dump_file'\n");
2229 print DUMP "\nCompilation Dump for: $str_to_do\n\n";
2231 || &tidy_up_and_die(1,"$Pgm: failed closing `$Specific_dump_file'\n");
2234 local($return_val) = 0;
2236 if ( length($str_to_do) > 4000) {
2237 # 4000 - on the random side, just like the *real* ARG_MAX
2240 # With some shells, command lines of this length may
2241 # very well cause trouble. To safeguard against this, we squirrel the
2242 # command into a file and exec that.
2243 local ($sh) = $ENV{'REAL_SHELL'};
2244 print STDERR "Backup plan A: saving cmd line in ${Tmp_prefix}.sh and executing that with $sh\n" if $Verbose;
2245 open (TEMP, "> ${Tmp_prefix}.sh") ||
2246 &tidy_up_and_die(1,"$Pgm: failed to open `$Tmp_prefix.sh'\n");
2247 print TEMP "$Time $str_to_do\n";
2249 &tidy_up_and_die(1,"$Pgm: failed closing `$Tmp_prefix.sh'\n");
2250 system("$sh $Tmp_prefix.sh");
2253 unlink "${Tmp_prefix}.sh";
2255 system("$Time $str_to_do");
2259 if ( $PostprocessCcOutput ) { # hack, continued
2260 open(CCOUT, "< $Tmp_prefix.ccout")
2261 || &tidy_up_and_die(1,"$Pgm: failed to open `$Tmp_prefix.ccout'\n");
2263 next if /call-clobbered/;
2264 next if /control reaches end/;
2265 next if /from .*Stg\.h:/;
2266 next if /from ghc\d+.c:\d+:/;
2267 next if /: At top level:$/;
2268 next if /: In function \`.*\':$/;
2269 next if /\`ghc_cc_ID\' defined but not used/;
2272 close(CCOUT) || &tidy_up_and_die(1,"$Pgm: failed closing `$Tmp_prefix.ccout'\n");
2275 local($signal_num) = $? & 127;
2276 local($dumped_core) = $? & 128;
2278 if ($signal_num != 0) {
2279 print STDERR "$tidy_name received signal $signal_num";
2280 if ($dumped_core != 0) {
2281 print STDERR " (core dumped)";
2286 if ($return_val != 0) {
2287 if ($Using_dump_file) {
2288 print STDERR "Compilation Errors dumped in $Specific_dump_file\n";
2290 &tidy_up_and_die($return_val, '');
2293 $Using_dump_file = 0;
2297 %************************************************************************
2299 \subsection[Driver-ghc-timing]{Emit nofibbish GHC timings}
2301 %************************************************************************
2303 NB: nearly the same as in @runstdtest@ script.
2306 sub process_ghc_timings {
2307 local($StatsFile) = "$Tmp_prefix.stat";
2308 local($SysSpecificTiming) = 'ghc';
2310 open(STATS, $StatsFile) || die "Failed when opening $StatsFile\n";
2311 local($max_live) = 0;
2312 local($tot_live) = 0; # for calculating residency stuff
2313 local($tot_samples) = 0;
2316 if (! /Gen:\s+0/ && ! /Minor/ && /^\s*\d+\s+\d+\s+(\d+)\s+\d+\.\d+/ ) {
2317 $max_live = $1 if $max_live < $1;
2321 $BytesAlloc = $1 if /^\s*([0-9,]+) bytes allocated in the heap/;
2323 if ( /^\s*([0-9,]+) bytes maximum residency .* (\d+) sample/ ) {
2324 $MaxResidency = $1; $ResidencySamples = $2;
2327 $GCs = $1 if /^\s*([0-9,]+) (collections? in generation 0|garbage collections? performed)/;
2329 if ( /^\s+([0-9]+)\s+Mb total memory/ ) {
2333 # The presence of -? in the following pattern is only there to
2334 # accommodate 0.29 && <= 2.05 RTS'
2335 if ( /^\s*INIT\s+time\s*(\d+\.\d\d)s\s*\(\s*-?(\d+\.\d\d)s elapsed\)/ ) {
2336 $InitTime = $1; $InitElapsed = $2;
2337 } elsif ( /^\s*MUT\s+time\s*(\d+\.\d\d)s\s*\(\s*(\d+\.\d\d)s elapsed\)/ ) {
2338 $MutTime = $1; $MutElapsed = $2;
2339 } elsif ( /^\s*GC\s+time\s*(\d+\.\d\d)s\s*\(\s*(\d+\.\d\d)s elapsed\)/ ) {
2340 $GcTime = $1; $GcElapsed = $2;
2343 close(STATS) || die "Failed when closing $StatsFile\n";
2344 if ( $tot_samples > 0 ) {
2345 $ResidencySamples = $tot_samples;
2346 $MaxResidency = $max_live;
2347 $AvgResidency = int ($tot_live / $tot_samples) ;
2350 # warn about what we didn't find
2351 print STDERR "Warning: BytesAlloc not found in stats file\n" unless defined($BytesAlloc);
2352 print STDERR "Warning: GCs not found in stats file\n" unless defined($GCs);
2353 print STDERR "Warning: InitTime not found in stats file\n" unless defined($InitTime);
2354 print STDERR "Warning: InitElapsed not found in stats file\n" unless defined($InitElapsed);
2355 print STDERR "Warning: MutTime not found in stats file\n" unless defined($MutTime);
2356 print STDERR "Warning: MutElapsed not found in stats file\n" unless defined($MutElapsed);
2357 print STDERR "Warning: GcTime inot found in stats file\n" unless defined($GcTime);
2358 print STDERR "Warning: GcElapsed not found in stats file\n" unless defined($GcElapsed);
2360 # things we didn't necessarily expect to find
2361 $MaxResidency = 0 unless defined($MaxResidency);
2362 $AvgResidency = 0 unless defined($AvgResidency);
2363 $ResidencySamples = 0 unless defined($ResidencySamples);
2366 $BytesAlloc =~ s/,//g;
2367 $MaxResidency =~ s/,//g;
2369 $InitTime =~ s/,//g;
2370 $InitElapsed =~ s/,//g;
2372 $MutElapsed =~ s/,//g;
2374 $GcElapsed =~ s/,//g;
2376 # print out what we found
2377 print STDERR "<<$SysSpecificTiming: ",
2378 "$BytesAlloc bytes, $GCs GCs, $AvgResidency/$MaxResidency avg/max bytes residency ($ResidencySamples samples), ${TotMem}M in use, $InitTime INIT ($InitElapsed elapsed), $MutTime MUT ($MutElapsed elapsed), $GcTime GC ($GcElapsed elapsed)",
2379 " :$SysSpecificTiming>>\n";
2386 %************************************************************************
2388 \subsection[Driver-dying]{@tidy_up@ and @tidy_up_and_die@: Dying gracefully}
2390 %************************************************************************
2394 local($to_do) = "\n$Rm $Tmp_prefix*";
2395 if ( $Tmp_prefix !~ /^\s*$/ ) {
2396 print STDERR "$to_do\n" if $Verbose;
2401 sub tidy_up_and_die {
2402 local($return_val, $msg) = @_;
2404 # delete any files to tidy
2405 print STDERR "deleting... @Files_to_tidy\n" if $Verbose && $#Files_to_tidy >= 0;
2406 unlink @Files_to_tidy if $#Files_to_tidy >= 0;
2410 exit (($return_val == 0) ? 0 : 1);
2414 %************************************************************************
2416 \subsection[Driver-arg-with-arg]{@grab_arg_arg@: Do an argument with an argument}
2418 %************************************************************************
2420 Some command-line arguments take an argument, e.g.,
2421 \tr{-Rmax-heapsize} expects a number to follow. This can either be
2422 given a part of the same argument (\tr{-Rmax-heapsize8M}) or as the
2423 next argument (\tr{-Rmax-heapsize 8M}). We allow both cases.
2425 Note: no error-checking; \tr{-Rmax-heapsize -Rgc-stats} will silently
2426 gobble the second argument (and probably set the heapsize to something
2430 local(*Args, $option, $rest_of_arg) = @_;
2432 if ($rest_of_arg ne '') {
2433 return($rest_of_arg);
2434 } elsif ($#Args >= 0) {
2435 local($temp) = $Args[0]; shift(@Args);
2438 print STDERR "$Pgm: no argument following $option option\n";
2449 #Not in HsC_antiflag ## NO!: and not already in HsC_flags
2451 foreach $f ( @HsC_antiflags ) {
2452 return(0) if $flag eq $f;
2454 # foreach $f ( @HsC_flags ) {
2455 # return(0) if $flag eq $f;
2460 sub squashHscFlag { # pretty terrible
2464 foreach $f ( @HsC_flags ) {
2465 if ($flag eq $f) { $f = ''; }
2473 foreach $f ( @flags ) {
2474 push( @HsC_flags, $f ) if &isntAntiFlag($f);
2479 To add another system library, you'll need to augment the
2480 Supported_syslibs variable with name and info on your addition
2481 to the syslib family. The info bit consist of the following:
2483 - interface file directory
2484 see the misc or posix entry for how to distinguish
2485 between using installed and build tree directories.
2487 - directory location of archives
2489 - location of (way-independent) C support libs.
2490 not all libraries need this - if you don't, just
2491 give the empty string.
2492 - list of syslibs you depend on.
2494 - additional ghc command line flags that should be used.
2495 - additional C compiler command line flags that should be used.
2501 # Hash to keep track of
2502 %Syslibs_added = ();
2505 local($syslib) = @_;
2507 # Lifting this out of this sub brings it out of scope - why??
2508 %Supported_syslibs =
2510 [ # where to slurp interface files from
2512 ? "$InstLibDirGhc/imports/lang"
2513 : "$TopPwd/hslibs/lang:$TopPwd/hslibs/lang/monads"
2515 , # where to find the archive to use when linking
2518 : "$TopPwd/hslibs/lang"
2520 , # where to find the cbits archive to use when linking
2523 : "$TopPwd/hslibs/lang/cbits"
2525 , '' # Syslib dependencies
2526 , '' # extra ghc opts
2527 , '' # extra cc opts
2528 , '' # extra ld opts
2532 [ # where to slurp interface files from
2534 ? "$InstLibDirGhc/imports/concurrent"
2535 : "$TopPwd/hslibs/concurrent"
2537 , # where to find the archive to use when linking
2540 : "$TopPwd/hslibs/concurrent"
2542 , '' # where to find the cbits archive to use when linking
2543 , '' # Syslib dependencies
2544 , '' # extra ghc opts
2545 , '' # extra cc opts
2546 , '' # extra ld opts
2550 [ # where to slurp interface files from
2552 ? "$InstLibDirGhc/imports/data"
2553 : "$TopPwd/hslibs/data:$TopPwd/hslibs/data/edison:$TopPwd/hslibs/data/edison/Assoc:$TopPwd/hslibs/data/edison/Coll:$TopPwd/hslibs/data/edison/Seq"
2555 , # where to find the archive to use when linking
2558 : "$TopPwd/hslibs/data"
2560 , '' # where to find the cbits archive to use when linking
2561 , 'lang' # Syslib dependencies
2562 , '' # extra ghc opts
2563 , '' # extra cc opts
2564 , '' # extra ld opts
2568 [ # where to slurp interface files from
2570 ? "$InstLibDirGhc/imports/net"
2571 : "$TopPwd/hslibs/net"
2573 , # where to find the archive to use when linking
2576 : "$TopPwd/hslibs/net"
2578 , # where to find the cbits archive to use when linking
2581 : "$TopPwd/hslibs/net/cbits"
2583 , 'lang text' # Syslib dependencies
2584 , '' # extra ghc opts
2585 , '' # extra cc opts
2586 , ( $TargetPlatform =~ /-solaris2$/ ? '-lnsl -lsocket' : '')
2590 [ # where to slurp interface files from
2592 ? "$InstLibDirGhc/imports/posix"
2593 : "$TopPwd/hslibs/posix"
2595 , # where to find the archive to use when linking
2598 : "$TopPwd/hslibs/posix"
2600 , # where to find the cbits archive to use when linking
2603 : "$TopPwd/hslibs/posix/cbits"
2605 , 'lang' # Syslib dependencies
2606 , '' # extra ghc opts
2607 , '' # extra cc opts
2608 , '' # extra ld opts
2612 [ # where to slurp interface files from
2614 ? "$InstLibDirGhc/imports/text"
2615 : "$TopPwd/hslibs/text:$TopPwd/hslibs/text/html:$TopPwd/hslibs/text/haxml/lib"
2617 , # where to find the archive to use when linking
2620 : "$TopPwd/hslibs/text"
2622 , # where to find the cbits archive to use when linking
2625 : "$TopPwd/hslibs/text/cbits"
2627 , 'lang data' # Syslib dependencies
2628 , '' # extra ghc opts
2629 , '' # extra cc opts
2630 , '' # extra ld opts
2634 [ # where to slurp interface files from
2636 ? "$InstLibDirGhc/imports/util"
2637 : "$TopPwd/hslibs/util:$TopPwd/hslibs/util/check"
2639 , # where to find the archive to use when linking
2642 : "$TopPwd/hslibs/util"
2644 , # where to find the cbits archive to use when linking
2647 : "$TopPwd/hslibs/util/cbits"
2649 , 'lang concurrent posix' # Syslib dependencies
2650 , '' # extra ghc opts
2651 , '' # extra cc opts
2652 , "$LibsReadline" # extra ld opts
2656 [ # where to slurp interface files from
2658 ? "$InstLibDirGhc/imports/win32"
2659 : "$TopPwd/hslibs/win32/src"
2661 , # where to find the archive to use when linking
2664 : "$TopPwd/hslibs/win32/src"
2667 , 'lang' # Syslib dependencies
2668 , '' # extra ghc opts
2669 , '' # extra cc opts
2670 , '-luser32 -lgdi32' # extra ld opts
2674 [ # where to slurp interface files from
2676 ? "$InstLibDirGhc/imports/com"
2677 : "$TopPwd/hdirect/lib"
2679 , # where to find the archive to use when linking
2682 : "$TopPwd/hdirect/lib"
2685 , 'lang' # Syslib dependencies
2686 , '' # extra ghc opts
2687 , '' # extra cc opts
2688 , '-luser32 -lole32 -loleaut32 -ladvapi32'
2693 # check if it's supported..
2695 if ( !exists $Supported_syslibs{$syslib} ) {
2696 print STDERR "$Pgm: no such system library (-syslib): $syslib\n";
2701 # This check is here to avoid syslib loops from
2702 # spoiling the party. A side-effect of it is that
2703 # it disallows multiple mentions of a syslib on a command-line,
2704 # explicit *and* implicit ones (i.e., "-syslib lang -syslib misc"
2705 # is not equal to "-syslib lang -syslib misc -syslib lang",
2706 # which it needs to be)
2708 # Since our current collection of syslibs don't have any
2709 # loops, this test is disabled.
2711 # ToDo: loop avoidance scheme when the need arises
2713 #return if ( exists $Syslibs_added{$syslib} );
2715 $Syslibs_added{$syslib} = 1;
2717 local ($hi_dirs, $lib_dir, $lib_cbits_dir,
2718 $syslib_deps, $syslib_ghc_opts,
2719 $syslib_cc_opts, $syslib_ld_opts) = @{ $Supported_syslibs{$syslib} };
2721 foreach(split(':',$hi_dirs)) {
2722 unshift(@SysImport_dir, $_);
2724 push(@SysLibrary_dir, $lib_dir);
2725 push(@SysLibrary_dir, $lib_cbits_dir) if ( $lib_cbits_dir ne '');
2727 push(@SysLibrary, "-lHS$syslib");
2728 push(@SysLibrary, "-lHS${syslib}_cbits") if ( $lib_cbits_dir ne '');
2729 push(@SysLibrary, $syslib_ld_opts) if ($syslib_ld_opts ne '');
2731 # Add on any extra dependencies.
2732 foreach $lib (split(' ',$syslib_deps)) {
2738 Source files may have {-# OPTIONS ... #-} pragmas at the top, containing
2739 command line options we want to append to collection of commands specified
2740 directly. @check_for_source_options@ looks at the top of a de-lit'ified Haskell
2741 file for any such pragmas:
2744 sub check_for_source_options {
2745 local($file,$ifile) = @_;
2746 local($comment_start,$comment_end);
2748 if ($ifile =~ /\.hc$/ ||
2751 $ifile =~ /_s$/ ) { # `Real' C intermediate
2752 $comment_start = "/\\*";
2753 $comment_end = "\\*/";
2754 } else { # Assume it is a file containing Haskell source
2755 $comment_start = "{-#";
2756 $comment_end = "#-}";
2759 open(FILE,$file) || return(1); # No big loss
2762 if ( /^${comment_start} OPTIONS (.*)${comment_end}/ ) {
2763 # add the options found at the back of the command line.
2764 local(@entries) = split(/\s+/,$1);
2765 print STDERR "Found OPTIONS " . join(' ',@entries) . " in $file\n" if $Verbose;
2766 push(@File_options, @entries);
2768 elsif ( /^$/ ) { # ignore empty lines
2771 elsif ( /^#line.+$/ ) { # ignore comment lines (unused..ToDo: rm )
2774 elsif ( /^{-# LINE.+$/ ) { # ignore line pragmas
2777 else { # stop looking, something non-empty / not
2778 # ${comment_start} OPTIONS .. ${comment_end} encountered.
2779 close(FILE);return(0);
2788 We split the initial argv up into three arrays:
2794 the reason for doing so is to be able to deal
2795 with {-# OPTIONS #-} pragma in source files properly.
2801 arg: while($_ = $args[0]) {
2803 # sigh, we have to deal with these -option arg specially here.
2804 /^-(tmpdir|odir|ohi|o|isuf|osuf|hisuf|odump|syslib|package|package-name)$/ &&
2805 do { push(@Cmd_opts, $_); push(@Cmd_opts,$args[0]); shift(@args); next arg; };
2806 /^--?./ && do { push(@Cmd_opts, $_); next arg; };
2808 if (/\.([^_]+_)?[oa]$/) {
2809 push(@Link_file, $_);
2811 push(@Input_file, $_);
2814 # input files must exist:
2816 print STDERR "$Pgm: input file doesn't exist: $_\n";
2824 When saving an intermediate file (.hc or .s) away, we
2825 have to prefix any OPTIONS found in the original source file.
2828 sub saveIntermediate {
2829 local ($final,$suffix,$tmp)= @_ ;
2832 local ($new_suffix);
2834 # $final -- root of where to park ${final}.${suffix}
2835 # $tmp -- temporary file where hsc put the intermediate file.
2837 # HWL: use -odir for .hc and .s files, too
2838 if ( $Specific_output_dir ne '' ) {
2839 $final = "${Specific_output_dir}/${final}";
2841 # HWL: use the same suffix as for $Osuffix in generating intermediate file,
2842 # replacing o with hc or s, respectively.
2843 if ( $Osuffix ne '' ) {
2844 ($new_suffix = $Osuffix) =~ s/o$/hc/ if $suffix eq "hc";
2845 ($new_suffix = $Osuffix) =~ s/o$/s/ if $suffix eq "s";
2846 $suffix = $new_suffix;
2847 print stderr "HWL says: suffix for intermediate file is $suffix; ${final}.${suffix} overall\n" if $Verbose;
2850 # Delete the old file
2851 $to_do = "$Rm ${final}.${suffix}"; &run_something($to_do, "Removing old .${suffix} file");
2853 if ( $#File_options >= 0 ) { # OPTIONS found in Haskell source unit
2854 # Add OPTION comment to the top of the generated .${suffix} file
2855 open(TEMP, "> ${final}.${suffix}") || &tidy_up_and_die(1,"Can't open ${final}.${suffix}\n");
2856 print TEMP "/* OPTIONS " . join(' ',@File_options) . " */\n";
2858 print STDERR "Prepending OPTIONS: " . join(' ',@File_options) . " to ${final}.${suffix}\n" if $Verbose;
2860 $to_do = "$Cat $tmp >> ${final}.${suffix}";
2861 &run_something($to_do, "Saving copy of .${suffix} file");
2868 Command-line processor
2874 # can't use getopt(s); what we want is too complicated
2876 arg: while($_ = $Args[0]) {
2879 #---------- help -------------------------------------------------------
2880 if (/^-\?$/ || /^--?help$/) { print $LongUsage; exit $Status; }
2882 #-----------version ----------------------------------------------------
2883 /^--version$/ && do { print STDERR "${ProjectName}, version ${ProjectVersion}\n"; exit $Status; };
2885 #---------- verbosity and such -----------------------------------------
2886 /^-v$/ && do { $Verbose = '-v'; $Time = 'time'; next arg; };
2888 #---------- what phases are to be run ----------------------------------
2889 /^-(no-)?recomp/ && do { $Do_recomp_chkr = ($1 eq '') ? 1 : 0; next arg; };
2891 /^-cpp$/ && do { $Cpp_flag_set = 1; next arg; };
2892 # change the global default:
2893 # we won't run cat; we'll run the real thing
2895 /^-C$/ && do { $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0; $HscLang = 'C';
2897 # stop after generating C
2899 /^-J$/ && do { $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0; $HscLang = 'java';
2901 # stop after generating Java
2903 /^-noC$/ && do { $HscLang = 'none'; $ProduceHi = '-nohifile=';
2904 $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0;
2906 # leave out actual C generation (debugging) [also turns off interface gen]
2909 /^-hi$/ && do { $HiOnStdout = 1; $ProduceHi = '-hifile='; next arg; };
2910 # _do_ generate an interface; usually used as: -noC -hi
2911 /^-hi-with-(.*)$/ && do { $HiOnStdout = 1; $HiWith .= " $1" ; $ProduceHi = '-hifile='; next arg; };
2912 # limit ourselves to outputting a particular section.
2914 /^-nohi$/ && do { $ProduceHi = '-nohifile='; next arg; };
2915 # don't generate an interface (even if generating C)
2917 /^-hi-diffs$/ && do { $HiDiff_flag = 'normal'; next arg; };
2918 /^-hi-diffs-with-usages$/ && do { $HiDiff_flag = 'usages'; next arg; };
2919 /^-no-hi-diffs$/ && do { $HiDiff_flag = ''; next arg; };
2920 /^-keep-hi-diffs$/ && do { $Keep_HiDiffs = 1; next arg; };
2922 # show/disable diffs if the interface file changes
2924 /^-E$/ && do { push(@CcBoth_flags, '-E');
2925 $Only_preprocess_C = 1;
2926 $Do_as = 0; $Do_lnkr = 0; next arg; };
2927 # stop after preprocessing C
2928 /^-M$/ && do { $Only_generate_deps = 1; $Do_as = 0; $Do_lnkr = 0; next arg; };
2929 # only generate dependency information.
2930 /^--mk-dll$/ && do { $Only_generate_dll = 1; $Do_as = 0; $Do_lnkr = 0; next arg; };
2931 # Build a Win32 DLL (where supported).
2932 /^-S$/ && do { $Do_as = 0; $Do_lnkr = 0; next arg; };
2933 # stop after generating assembler
2935 /^-c$/ && do { $Do_lnkr = 0; next arg; };
2936 # stop after generating .o files
2938 /^-link-chk$/ && do { $LinkChk = 1; next arg; };
2939 # don't do consistency-checking after a link
2940 /^-no-link-chk$/ && do { $LinkChk = 0; next arg; };
2942 /^-tmpdir$/ && do { $Tmp_prefix = &grab_arg_arg(*Args,'-tmpdir', '');
2943 $Tmp_prefix = "$Tmp_prefix/ghc$$";
2944 $ENV{'TMPDIR'} = $Tmp_prefix; # for those who use it...
2946 # use an alternate directory for temp files
2948 #---------- redirect output --------------------------------------------
2950 # -o <file>; applies to the last phase, whatever it is
2951 # "-o -" sends it to stdout
2952 # if <file> has a directory component, that dir must already exist
2954 /^-odir$/ && do { $Specific_output_dir = &grab_arg_arg(*Args,'-odir', '');
2956 # Hack, of the worst sort: don't do validation of
2957 # odir argument if you're using -M (dependency generation).
2959 if ( ! $Only_generate_deps && ! -d $Specific_output_dir) {
2960 print STDERR "$Pgm: -odir: no such directory: $Specific_output_dir\n";
2965 /^-o$/ && do { $Specific_output_file = &grab_arg_arg(*Args,'-o', '');
2966 if ($Specific_output_file ne '-'
2967 && $Specific_output_file =~ /(.*)\/[^\/]*$/) {
2968 local($dir_part) = $1;
2969 if (! -d $dir_part) {
2970 print STDERR "$Pgm: no such directory: $dir_part\n";
2976 # NB: -isuf not documented yet (because it doesn't work yet)
2977 /^-isuf$/ && do { $Isuffix = &grab_arg_arg(*Args,'-isuf', '');
2978 if ($Isuffix =~ /\./ ) {
2979 print STDERR "$Pgm: -isuf suffix shouldn't contain a .\n";
2984 /^-osuf$/ && do { $Osuffix = &grab_arg_arg(*Args,'-osuf', '');
2985 if ($Osuffix =~ /\./ ) {
2986 print STDERR "$Pgm: -osuf suffix shouldn't contain a .\n";
2991 # -ohi <file>; send the interface to <file>; "-ohi -" to send to stdout
2992 /^-ohi$/ && do { $Specific_hi_file = &grab_arg_arg(*Args,'-ohi', '');
2993 if ($Specific_hi_file ne '-'
2994 && $Specific_hi_file =~ /(.*)\/[^\/]*$/) {
2995 local($dir_part) = $1;
2996 if (! -d $dir_part) {
2997 print STDERR "$Pgm: no such directory: $dir_part\n";
3001 $ProduceHi='-hifile=';
3004 # The suffix to use when looking for interface files
3005 /^-hisuf$/ && do { $HiSuffix = &grab_arg_arg(*Args,'-hisuf', '');
3006 if ($HiSuffix =~ /\./ ) {
3007 print STDERR "$Pgm: -hisuf suffix shouldn't contain a .\n";
3011 /^-odump$/ && do { $Specific_dump_file = &grab_arg_arg(*Args,'-odump', '');
3012 if ($Specific_dump_file =~ /(.*)\/[^\/]*$/) {
3013 local($dir_part) = $1;
3014 if (! -d $dir_part) {
3015 print STDERR "$Pgm: no such directory: $dir_part\n";
3021 #-------------- scc & Profiling Stuff ----------------------------------
3023 /^-prof$/ && do { $PROFing = 'p'; next arg; }; # profiling -- details later!
3025 /^-auto-dicts$/ && do {
3026 $PROFdicts = '-fauto-sccs-on-dicts';
3028 /^-auto-all$/ && do {
3029 $PROFauto = '-fauto-sccs-on-all-toplevs';
3032 $PROFauto = '-fauto-sccs-on-exported-toplevs';
3035 /^-caf-all/ && do { # generate individual CAF SCC annotations
3036 $PROFcaf = '-fauto-sccs-on-individual-cafs';
3039 /^-ignore-scc$/ && do {
3040 # forces ignore of scc annotations even if profiling
3041 $PROFignore_scc = '-W';
3044 /^-unprof-scc-auto/ && do {
3045 # generate auto SCCs on top level bindings when not profiling.
3046 # Used to measure optimisation effects of presence of sccs.
3047 $UNPROFscc_auto = ( /-all/ )
3048 ? '-fauto-sccs-on-all-toplevs'
3049 : '-fauto-sccs-on-exported-toplevs';
3052 #--------- ticky/parallel ----------------------------------------------
3053 # we sort out the details a bit later on
3055 /^-gransim$/ && do { $GRANing = 'g'; &add_syslib('concurrent'); next arg; }; # GranSim
3056 /^-ticky$/ && do { $TICKYing = 't'; next arg; }; # ticky-ticky
3057 /^-parallel$/ && do { $PARing = 'p'; &add_syslib('concurrent'); next arg; }; # parallel Haskell
3058 /^-smp$/ && do { $SMPing = 's'; &add_syslib('concurrent'); next arg; }; # parallel Haskell
3060 #-------------- "user ways" --------------------------------------------
3062 (/^-user-setup-([a-oA-Z])$/ ) &&
3064 /^-user-setup-([a-oA-Z])$/ && do { $BuildTag = "_$1"; };
3066 local($stuff) = $UserSetupOpts{$BuildTag};
3067 local(@opts) = split(/\s+/, $stuff);
3069 # feed relevant ops into the arg-processing loop (if any)
3070 unshift(@Args, @opts) if $#opts >= 0;
3074 #---------- set search paths for libraries and things ------------------
3076 # we do -i just like HBC (-i clears the list; -i<colon-separated-items>
3077 # prepends the items to the list); -I is for including C .h files.
3079 /^-i$/ && do { @Import_dir = (); # import path cleared!
3080 @SysImport_dir = ();
3081 print STDERR "WARNING: import paths cleared by `-i'\n";
3084 /^-i(.*)/ && do { local(@new_items);
3088 if ( $arg =~ /;/ ) {
3090 @new_items = split( /;/, &grab_arg_arg(*Args,'-i', $arg));
3092 @new_items = split( /:/, &grab_arg_arg(*Args,'-i', $arg));
3094 unshift(@Import_dir, @new_items);
3097 /^-I(.*)/ && do { push(@Include_dir, &grab_arg_arg(*Args,'-I', $1)); next arg; };
3098 /^-L(.*)/ && do { push(@UserLibrary_dir, &grab_arg_arg(*Args,'-L', $1)); next arg; };
3099 /^-l(.*)/ && do { push(@UserLibrary,'-l'.&grab_arg_arg(*Args,'-l', $1)); next arg; };
3101 # DEPRECATED: use -package instead
3102 /^-syslib(.*)/ && do { local($syslib) = &grab_arg_arg(*Args,'-syslib',$1);
3103 &add_syslib($syslib);
3106 /^-package-name(.*)/ && do
3107 { local($package) = &grab_arg_arg(*Args,'-package-name',$1);
3108 push(@HsC_flags,"-inpackage=$package");
3112 /^-package(.*)/ && do { local($package) = &grab_arg_arg(*Args,'-package',$1);
3113 &add_syslib($package);
3116 #=======================================================================
3117 # various flags that we can harmlessly send to one program or another
3118 # (we will later "reclaim" some of the compiler ones now sent to gcc)
3119 #=======================================================================
3121 #---------- this driver itself (ghc) -----------------------------------
3122 # these change what executable is run for each phase:
3123 /^-pgmL(.*)$/ && do { $Unlit = $1; next arg; };
3124 /^-pgmP(.*)$/ && do { $HsCpp = $1; next arg; };
3125 /^-pgmC(.*)$/ && do { $HsC = $1; next arg; };
3126 /^-pgmcO?(.*)$/ && do { $CcRegd = $1; next arg; }; # the O? for back compat
3127 /^-pgma(.*)$/ && do { $As = $1; next arg; };
3128 /^-pgml(.*)$/ && do { $Lnkr = $1; next arg; };
3129 /^-pgmdep(.*)$/ && do { $MkDependHS = $1; next arg; };
3131 #---------- the get-anything-through opts (all pgms) -------------------
3132 # these allow arbitrary option-strings to go to any phase:
3133 /^-optL(.*)$/ && do { push(@Unlit_flags, $1); next arg; };
3134 /^-optP(.*)$/ && do { push(@HsCpp_flags, $1); next arg; };
3135 /^-optCrts(.*)$/&& do { push(@HsC_rts_flags, $1); next arg; };
3136 /^-optC(.*)$/ && do { push(@HsC_flags, $1); next arg; };
3137 /^-optcpp(.*)$/ && do { push(@Cpp_define, $1); $Only_preprocess_hc = ($1 eq "-E"); next arg; };
3138 /^-optc(.*)$/ && do { push(@CcBoth_flags, $1); next arg; };
3139 /^-opta(.*)$/ && do { push(@As_flags, $1); next arg; };
3140 /^-optl(.*)$/ && do { push(@Ld_flags, $1); next arg; };
3141 /^-optdll(.*)$/ && do { push(@Dll_flags, $1); next arg; };
3142 /^-optdep(.*)$/ && do { push(@MkDependHS_flags, $1); next arg; };
3144 #---------- Haskell C pre-processor (hscpp) ----------------------------
3145 /^-D(.*)/ && do { push(@HsCpp_flags, "'-D".&grab_arg_arg(*Args,'-D',$1)."'"); next arg; };
3146 /^-U(.*)/ && do { push(@HsCpp_flags, "'-U".&grab_arg_arg(*Args,'-U',$1)."'"); next arg; };
3148 #---------- post-Haskell "assembler"------------------------------------
3149 /^-ddump-raw-asm$/ && do { $Dump_raw_asm = 1; next arg; };
3150 /^-ddump-asm-splitting-info$/ && do { $Dump_asm_splitting_info = 1; next arg; };
3152 #---------- Haskell compiler (hsc) -------------------------------------
3154 /^-keep-hc-files?-too$/ && do { $Keep_hc_file_too = 1; next arg; };
3155 /^-keep-s-files?-too$/ && do { $Keep_s_file_too = 1; next arg; };
3157 /^-fignore-interface-pragmas$/ && do { push(@HsC_flags, $_); next arg; };
3158 /^-fignore-asserts$/ && do { push(@HsC_flags, $_); next arg; };
3160 /^-fno-implicit-prelude$/ && do { $NoImplicitPrelude= 1; push(@HsC_flags, $_); next arg; };
3163 # have the compiler proper generate concurrent code,
3164 # really only used when you want to configure your own
3165 # special user compilation way.
3167 # (ditto for -fgransim, fscc-profiling, -fparallel and -fticky-ticky)
3169 /^-fscc-profiling$/ && do { push(@HsC_flags,$_); next arg; };
3170 /^-fticky-ticky$/ && do { push(@HsC_flags,$_); next arg; };
3171 /^-fgransim$/ && do { push(@HsC_flags,$_); next arg; };
3172 /^-fparallel$/ && do { push(@HsC_flags,$_); next arg; };
3173 /^-fsmp$/ && do { push(@HsC_flags,$_); next arg; };
3175 /^-split-objs$/ && do {
3176 if ( $TargetPlatform !~ /^(alpha|hppa1\.1|i386|m68k|mips|powerpc|rs6000|sparc)-/ ) {
3178 print STDERR "WARNING: don't know how to split objects on this platform: $TargetPlatform\n`-split-objs' option ignored\n";
3183 push(@HsC_flags, "-fglobalise-toplev-names");
3184 push(@CcBoth_flags, '-DUSE_SPLIT_MARKERS');
3186 require('ghc-split.prl')
3187 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-split.prl!\n");
3191 /^-unreg$/ && do { $UNREGing = 'u'; next arg; };
3192 /^-funregisterised$/ && do { push(@HsC_flags, $_); next arg; };
3193 /^-fno-asm-mangling$/ && do { $DoAsmMangling = 0; next arg; };
3195 /^-fallow-overlapping-instances$/ && do { push(@HsC_flags, $_); next arg; };
3196 /^-fallow-undecidable-instances$/ && do { push(@HsC_flags, $_); next arg; };
3197 /^-fhistory-size.*$/ && do { push(@HsC_flags, $_); next arg; };
3198 /^-fdicts-strict$/ && do { push(@HsC_flags, $_); next arg; };
3200 && do { push(@HsC_flags, $_);
3202 # -fglasgow-exts implies -syslib lang
3203 &add_syslib('lang');
3208 && do { $Oopt_DoSpecialise = '-fspecialise'; next arg; };
3209 /^-fno-speciali[sz]e$/
3210 && do { $Oopt_DoSpecialise = ''; next arg; };
3213 && do { $Oopt_UsageSPInf = '-fusagesp';
3214 push (@HsC_flags, '-fusagesp-on'); next arg; };
3216 /^-fcompiling-prelude$/ && do { $CompilingPrelude=1; push(@HsC_flags, $_); next arg; };
3218 # Now the foldr/build options, which are *on* by default (for -O).
3221 && do { $Oopt_FoldrBuild = 1;
3225 /^-fno-foldr-build$/
3226 && do { $Oopt_FoldrBuild = 0;
3229 # --------------- Renamer -------------
3232 /^-fno-prune-tydecls$/ && do { push(@HsC_flags, $_); next arg; };
3233 /^-fno-prune-instdecls$/ && do { push(@HsC_flags, $_); next arg; };
3237 /^-fasm-(.*)$/ && do { $HscLang = 'asm'; next arg; }; # force using nativeGen
3238 /^-fvia-[cC]$/ && do { $HscLang = 'C'; next arg; }; # force using C compiler
3243 && do { push(@HsC_flags, $_); next arg };
3245 /^-fliberate-case-.*$/
3246 && do { push(@HsC_flags, $_); next arg };
3248 /^-funfold-casms-in-hi-file$/
3249 && do { push(@HsC_flags, $_); next arg };
3251 /^(-fmax-simplifier-iterations)(.*)$/
3252 && do { $Oopt_MaxSimplifierIterations = $1 . &grab_arg_arg(*Args,$1, $2);
3255 /^-fno-pedantic-bottoms$/
3256 && do { $Oopt_PedanticBottoms = ''; next arg; };
3258 /^-fno-pre-inlining$/
3259 && do { push(@HsC_flags, $_); next arg };
3261 /^-fno-let-from-(case|app|strict-let)$/ # experimental, really (WDP 95/10)
3262 && do { push(@HsC_flags, $_); next arg; };
3264 /^-funbox-strict-fields$/
3265 && do { push(@HsC_flags, $_); next arg; };
3267 # --------------- Warnings etc. ------
3269 /^-fwarn-(.*)$/ && do { push(@HsC_flags, $_); next arg; };
3271 /^-fno-(.*)$/ && do { push(@HsC_antiflags, "-f$1");
3272 &squashHscFlag("-f$1");
3275 /^-W$/ && do { push(@HsC_flags, @MinusWOpts); next arg; };
3276 /^-Wall$/ && do { push(@HsC_flags, @MinusWallOpts); next arg; };
3277 /^(-Wnot|w)$/ && do { foreach (@Hsc_flags) {
3278 /^-fwarn-(.*)$/ && do { $_=''; };
3280 push(@HsC_antiflags, @StandardWarnings);
3283 # --------------- fun stuff ----------------
3285 /^-freport-compile$/ && do { push(@HsC_flags, $_); next arg; };
3287 # --------------- platform specific flags (for gcc mostly) ----------------
3289 /^-mlong-calls$/ && do { # for GCC for HP-PA boxes,
3290 # for 2.6.x..?, does not apply for 2.7.2
3292 unshift(@CcBoth_flags, ( $_ ));
3295 /^-m(v8|sparclite|cypress|supersparc|cpu=(cypress|supersparc))$/
3296 && do { # for GCC for SPARCs
3297 unshift(@CcBoth_flags, ( $_ ));
3300 /^-monly-([432])-regs/ && do { # for iX86 boxes only; no effect otherwise
3301 $StolenX86Regs = $1;
3304 #*************** ... and lots of debugging ones (form: -d* )
3306 # -d(no-)core-lint is done this way so it is turn-off-able.
3307 /^-dcore-lint/ && do { $CoreLint = '-dcore-lint'; next arg; };
3308 /^-dno-core-lint/ && do { $CoreLint = ''; next arg; };
3309 # Ditto for USP lint
3310 /^-dusagesp-lint/ && do { $USPLint = '-dusagesp-lint'; next arg; };
3311 /^-dno-usagesp-lint/ && do { $USPLint = ''; next arg; };
3312 # Ditto for STG lint
3313 /^-dstg-lint/ && do { $StgLint = '-dstg-lint'; next arg; };
3314 /^-dno-stg-lint/ && do { $StgLint = ''; next arg; };
3316 /^-d(dump|ppr)-/ && do { push(@HsC_flags, $_); next arg; };
3317 /^-dverbose-(simpl|stg)/ && do { push(@HsC_flags, $_); next arg; };
3318 /^-dshow-passes/ && do { push(@HsC_flags, $_); next arg; };
3319 /^-dshow-rn-stats/ && do { push(@HsC_flags, $_); next arg; };
3320 /^-dshow-rn-trace/ && do { push(@HsC_flags, $_); next arg; };
3321 /^-dsource-stats/ && do { push(@HsC_flags, $_); next arg; };
3322 /^-dsimplifier-stats/ && do { push(@HsC_flags, $_); next arg; };
3323 /^-dstg-stats/ && do { $Oopt_StgStats = $_; next arg; };
3325 #*************** ... and now all these -R* ones for its runtime system...
3327 /^-Rscale-sizes?(.*)/ && do {
3328 $Scale_sizes_by = &grab_arg_arg(*Args,'-Rscale-sizes', $1);
3331 /^(-H|-Rmax-heapsize)(.*)/ && do {
3332 local($heap_size) = &grab_arg_arg(*Args,$1, $2);
3333 if ($heap_size =~ /(\d+)[Kk]$/) {
3334 $heap_size = $1 * 1000;
3335 } elsif ($heap_size =~ /(\d+)[Mm]$/) {
3336 $heap_size = $1 * 1000 * 1000;
3337 } elsif ($heap_size =~ /(\d+)[Gg]$/) {
3338 $heap_size = $1 * 1000 * 1000 * 1000;
3340 if ($heap_size <= 0) {
3341 print STDERR "$Pgm: resetting heap-size to zero!!! $heap_size\n";
3342 $Specific_heap_size = 0;
3344 # if several heap sizes given, take the largest...
3345 } elsif ($heap_size >= $Specific_heap_size) {
3346 $Specific_heap_size = $heap_size;
3348 print STDERR "$Pgm: ignoring heap-size-setting option ($_)...not the largest seen\n" if $Verbose;
3352 /^(-K|Rmax-(stk|stack)size)(.*)/ && do {
3354 local($stk_size) = &grab_arg_arg(*Args,'-Rmax-stksize', $3);
3355 if ($stk_size =~ /(\d+)[Kk]$/) {
3356 $stk_size = $1 * 1000;
3357 } elsif ($stk_size =~ /(\d+)[Mm]$/) {
3358 $stk_size = $1 * 1000 * 1000;
3359 } elsif ($stk_size =~ /(\d+)[Gg]$/) {
3360 $stk_size = $1 * 1000 * 1000 * 1000;
3362 if ($stk_size <= 0) {
3363 print STDERR "$Pgm: resetting stack-size to zero!!! $stk_size\n";
3364 $Specific_stk_size = 0;
3366 # if several stack sizes given, take the largest...
3367 } elsif ($stk_size >= $Specific_stk_size) {
3368 $Specific_stk_size = $stk_size;
3370 print STDERR "$Pgm: ignoring stack-size-setting option ($flag $stk_size)...not the largest seen\n" if $Verbose;
3374 /^-Rgc-stats$/ && do { $CollectingGCstats++;
3375 # the two RTSs do this diff ways; we will try to compensate
3378 /^-Rghc-timing/ && do { $CollectGhcTimings = 1; next arg; };
3380 #---------- C high-level assembler (gcc) -------------------------------
3381 /^-(Wall|ansi|pedantic)$/ && do { push(@CcBoth_flags, $_); next arg; };
3383 # -dgcc-lint is a useful way of making GCC very fussy.
3384 # From alan@spri.levels.unisa.edu.au (Alan Modra).
3385 /^-dgcc-lint$/ && do { push(@CcBoth_flags, '-Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs'); next arg; };
3386 # An alternate set, from mark@sgcs.com (Mark W. Snitily)
3387 # -Wall -Wstrict-prototypes -Wmissing-prototypes -Wcast-align -Wshadow
3389 # inject "#include <wurble>" into the compiler's C output!
3391 /^-#include(.*)/ && do {
3392 local($to_include) = &grab_arg_arg(*Args,'-#include', $1);
3393 push(@CcInjects, "#include $to_include\n");
3396 #---------- Linker (gcc, really) ---------------------------------------
3398 /^-static$/ && do { $Static=1; push(@Ld_flags, $_); next arg; };
3399 /^-no-hs-main$/ && do { $NoHaskellMain=1; next arg; };
3401 #---------- mixed cc and linker magic ----------------------------------
3402 # this optimisation stuff is finally sorted out later on...
3404 /^-O2-for-C$/ && do { $MinusO2ForC = 1; next arg; };
3406 /^-O[1-2]?$/ && do {
3407 local($opt_lev) = ( /^-O2$/ ) ? 2 : 1; # max 'em
3408 $OptLevel = ( $opt_lev > $OptLevel ) ? $opt_lev : $OptLevel;
3410 $HscLang = 'C' if $OptLevel == 2; # force use of C compiler
3413 /^-Onot$/ && do { $OptLevel = 0; next arg; }; # # set it to <no opt>
3415 /^-Ofile(.*)/ && do {
3417 local($ofile) = &grab_arg_arg(*Args,'-Ofile', $1);
3418 @HsC_minusO3_flags = ();
3420 open(OFILE, "< $ofile") || die "Can't open $ofile!\n";
3423 s/\#.*//; # death to comments
3424 s/[ \t]+//g; # death to whitespace
3425 next if /^$/; # ditto, blank lines
3426 s/([()*{}])/\\$1/g; # protect shell metacharacters
3428 push(@CcBoth_flags, $1);
3430 push(@HsC_minusO3_flags, $_);
3436 /^-debug$/ && do { # all this does is mark a .hc/.o as "debugging"
3437 # in the consistency info
3441 #---------- linking .a file --------------------------------------------
3443 /^-Main(.*)/ && do {
3444 # specifies main or mainPrimIO to be linked
3448 #---------- catch unrecognized flags -----------------------------------
3451 print STDERR "$Pgm: unrecognised option: $_\n";
3457 } # end of processArgs