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 # Try to find a $Tmp_prefix which isn't being used...
164 $Tmp_prefix = ($ENV{'TMPDIR'} . "/ghc$tmp");
166 } while ( -e "$Tmp_prefix.hc" ||
167 -e "$Tmp_Prefix.s" ||
168 -e "$Tmp_Prefix.hi" );
170 print STDERR "TMPDIR has not been set to anything useful!\n" if (${TMPDIR} eq '');
171 $Tmp_prefix ="${TMPDIR}/ghc$$"; # TMPDIR set via Makefile when booting..
172 $ENV{'TMPDIR'} = ${TMPDIR}; # set the env var as well
175 # Some shells run into real trouble when command line and environment
176 # gets big (e.g., cmd lines of >4K to /bin/sh causes havoc on our
177 # Solaris-2.5.1 boxes - even though sysconf(_SC_ARG_MAX) reports 1M ...).
178 # To work around any such */bin/sh* problems, we will scribble such
179 # awfully long command lines into a temp file and exec that temp file
180 # with $(REAL_SHELL) (don't use the SHELL variable directly as this
181 # will normally get you the wrong thing when the driver is invoked
182 # from within `make'). If the REAL_SHELL variable isn't set, you'll
183 # get SHELL. This is all a terrible hack. (in case you hadn't reached
184 # the same conclusion by now :-)
188 if ( ! $ENV{'REAL_SHELL'} ) {
189 $ENV{'REAL_SHELL'} = $ENV{'SHELL'};
192 @Files_to_tidy = (); # files we nuke in the case of abnormal termination
194 $Unlit = ( $INSTALLING ) ? "$InstLibExecDirGhc/unlit"
195 : "$TopPwd/${CURRENT_DIR}/${GHC_UNLIT}";
199 $Diff = $CONTEXT_DIFF;
204 $HsCpp = # but this is re-set to "cat" (after options) if -cpp not seen
205 ( $INSTALLING ) ? "$InstLibExecDirGhc/hscpp"
206 : "$TopPwd/${CURRENT_DIR}/${GHC_HSCPP}";
209 $HsC = ( $INSTALLING ) ? "$InstLibExecDirGhc/hsc"
210 : "$TopPwd/${CURRENT_DIR}/${GHC_HSC}";
212 # For PVM fiends only
213 $SysMan = ( $INSTALLING ) ? "$InstLibExecDirGhc/SysMan"
214 : "$TopPwd/${CURRENT_DIR}/${GHC_SYSMAN}";
219 # HsC_rts_flags: if we want to talk to the LML runtime system
220 # NB: we don't use powers-of-2 sizes, because this may do
221 # terrible things to cache behavior.
223 $Specific_heap_size = 6 * 1000 * 1000;
224 $Specific_stk_size = 1000 * 1000;
225 $Scale_sizes_by = 1.0;
229 The variables set by @setupOptFlags@ represent parts of the
230 -O/-O2/etc ``templates,'' which are filled in later, using these.
231 These are the default values, which may be changed by user flags.
235 $Oopt_MaxSimplifierIterations = '-fmax-simplifier-iterations4';
236 $Oopt_PedanticBottoms = '-fpedantic-bottoms'; # ON by default
237 $Oopt_FinalStgProfilingMassage = '';
239 $Oopt_DoSpecialise = '-fspecialise';
240 $Oopt_FoldrBuild = 0; # *Off* by default!
241 $Oopt_UsageSPInf = ''; # Off by default
242 } # end of setupOptFlags
244 # Assign defaults to these right away.
248 Things to do with C compilers/etc:
250 (added -Wimplicit: implicit prototypes cause very hard-to-find
251 problems, so I'm turing on the warnings -- SDM 4/5/98)
254 $CcRegd = $GHC_OPT_HILEV_ASM;
255 @CcBoth_flags = ('-S','-Wimplicit'); # flags for *any* C compilation
259 # those for all files,
260 # those only for .c files;
261 # those only for .hc files
264 @CcRegd_flags_c = ();
265 @CcRegd_flags_hc = ();
267 $As = ''; # "assembler" is normally GCC
270 $Lnkr = ''; # "linker" is normally GCC
274 # 'nm' is used for consistency checking (ToDo: mk-world-ify)
275 # ToDo: check the OS or something ("alpha" is surely not the crucial question)
276 $Nm = ($TargetPlatform =~ /^alpha-/) ? 'nm -B' : 'nm';
279 Warning packages that are controlled by -W and -Wall. The 'standard'
280 warnings that you get all the time are
282 -fwarn-overlapping-patterns
283 -fwarn-missing-methods
284 -fwarn-missing-fields
286 -fwarn-duplicate-exports
288 these are turned off by -Wnot.
291 @StandardWarnings = ('-fwarn-overlapping-patterns',
292 '-fwarn-missing-methods',
293 '-fwarn-missing-fields',
294 '-fwarn-deprecations',
295 '-fwarn-duplicate-exports');
296 @MinusWOpts = (@StandardWarnings,
297 '-fwarn-unused-binds',
298 '-fwarn-unused-matches',
299 '-fwarn-incomplete-patterns',
300 '-fwarn-unused-imports');
301 @MinusWallOpts = (@MinusWOpts,
302 '-fwarn-type-defaults',
303 '-fwarn-name-shadowing',
304 '-fwarn-missing-signatures');
307 What options \tr{-user-setup-a} turn into (user-defined ``packages''
309 of options). Note that a particular user-setup implies a particular
310 Prelude ({\em including} its interface file(s)).
312 $BuildTag = ''; # default is sequential build w/ Appel-style GC
314 %BuildDescr = (# system ways begin
315 '', 'Normal Sequential',
317 '_t', "Ticky-ticky Profiling",
318 '_u', "Unregisterised",
339 '_B', "$WAY_B_NAME" );
341 # these are options that are "fed back" through the option processing loop
345 '_a', "$WAY_a_REAL_OPTS",
346 '_b', "$WAY_b_REAL_OPTS",
347 '_c', "$WAY_c_REAL_OPTS",
348 '_d', "$WAY_d_REAL_OPTS",
349 '_e', "$WAY_e_REAL_OPTS",
350 '_f', "$WAY_f_REAL_OPTS",
351 '_g', "$WAY_g_REAL_OPTS",
352 '_h', "$WAY_h_REAL_OPTS",
353 '_i', "$WAY_i_REAL_OPTS",
354 '_j', "$WAY_j_REAL_OPTS",
355 '_k', "$WAY_k_REAL_OPTS",
356 '_l', "$WAY_l_REAL_OPTS",
357 '_m', "$WAY_m_REAL_OPTS",
358 '_n', "$WAY_n_REAL_OPTS",
359 '_o', "$WAY_o_REAL_OPTS",
360 '_A', "$WAY_A_REAL_OPTS",
361 '_B', "$WAY_B_REAL_OPTS",
364 '_p', "-fscc-profiling -DPROFILING -optc-DPROFILING",
365 '_t', "-fticky-ticky -DTICKY_TICKY -optc-DTICKY_TICKY",
366 '_u', "-optc-DNO_REGS -optc-DUSE_MINIINTERPRETER -fno-asm-mangling -funregisterised",
367 '_s', "-fsmp -optc-pthread -optl-pthread -optc-DSMP",
368 '_mp', "-fparallel -D__PARALLEL_HASKELL__ -optc-DPAR",
369 '_mg', "-fgransim -D__GRANSIM__ -optc-DGRAN");
371 # where to look for interface files (system hi's, i.e., prelude and syslibs)
372 @SysImport_dir = ( $INSTALLING )
373 ? ( "$InstLibDirGhc/imports/std" )
374 : ( "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std" );
376 # We need to look in ghc/ and glaExts/ when searching for implicitly needed .hi files, but
377 # we should really *not* look there for explicitly imported modules.
379 $Haskell1Version = 5; # i.e., Haskell 1.4
382 # Cpp symbols defined when we're processing Haskell source.
386 , "-D__HASKELL1__=$Haskell1Version"
387 , "-D__GLASGOW_HASKELL__=$ProjectVersionInt"
389 , "-D__CONCURRENT_HASKELL__"
393 @SysLibrary_dir = ( ( $INSTALLING ) #-syslib things supplied by the system
395 : ( "$TopPwd/$CURRENT_DIR/$GHC_RUNTIME_DIR"
396 , "$TopPwd/$CURRENT_DIR/$GHC_RUNTIME_DIR/gmp"
397 , "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std"
398 , "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std/cbits"
402 # make depend for Haskell
404 = ( $INSTALLING ) ? "$InstLibExecDirGhc/mkdependHS"
405 : "$TopPwd/$CURRENT_DIR/$GHC_MKDEPENDHS";
407 @MkDependHS_flags = ();
409 # do_link flag should not be reset while rescanning the cmd-line.
411 $Specific_output_dir = ''; # set by -odir <dir>
412 $Specific_output_file = ''; # set by -o <file>; "-" for stdout
415 Function to initialise the per-compilation-unit globals that
416 are used to guide and control the invocation of the different phases.
419 sub initDriverGlobals {
421 # reset the following options:
422 # RTS flags to use while compiling
428 The optimisations/etc to be done by the compiler are {\em normally}
429 expressed with a \tr{-O} (or \tr{-O2}) flag, or by its absence.
432 $OptLevel = 0; # no -O == 0; -O == 1; -O2 == 2; -Ofile == 3
433 $MinusO2ForC = 0; # set to 1 if -O2 should be given to C compiler
434 $StolenX86Regs = 4; # **HACK*** of the very worst sort
439 # The SplitMarker is the string/character used to mark end of element
442 @Import_dir = ('.'); #-i things
443 @Include_dir = ('.'); #-I things; other default(s) stuck on AFTER option processing
445 @UserLibrary_dir= (); #-L things;...
446 @UserLibrary = (); #-l things asked for by the user
448 @SysLibrary = (); # will be built up as we go along
451 We are given a list of files with various presumably-known suffixes
452 (unknown-suffix files go straight to the linker). For each file, we
453 begin by assuming that we'll run every phase over it. However: (1)
454 global flags (\tr{-c}, \tr{-S}, etc.) tell us not to run any phase
455 past a certain point; and (2) the file's suffix tells us what phase to
456 start with. Linking is weird and kept track of separately.
458 Here are the initial defaults applied to all files:
460 $Cpp_flag_set = 0; # (hack)
461 $Only_preprocess_C = 0; # pretty hackish
462 $Only_preprocess_hc = 0; # ditto
463 $Only_generate_deps = 0; # ""
464 $Only_generate_dll = 0;
465 $PostprocessCcOutput = 0;
468 # static = 0 => produce code for DLLs (when compiling & linking.)
470 $Static = 0 if ($EnableWin32DLLs eq 'YES');
473 $HaveNativeCodeGen = $GhcWithNativeCodeGen;
474 $HscLang = 'C'; # 'C' ==> .hc output;
475 # 'asm' ==> .s output;
476 # 'java' ==> .java output
477 # 'none' ==> no code output
479 if ($HaveNativeCodeGen eq 'YES') && $TargetPlatform =~ /^(i386)-/;
481 $ProduceHi = '-hifile=';
487 $CollectingGCstats = 0;
488 $CollectGhcTimings = 0;
489 $DEBUGging = ''; # -DDEBUG and all that it entails (um... not really)
490 $PROFing = ''; # set to p or e if profiling
491 $PROFauto = ''; # set to relevant hsc flag if -auto or -auto-all
492 $PROFcaf = ''; # set to relevant hsc flag if -caf-all
493 $PROFdict = ''; # set to relevant hsc flag if -auto-dicts
494 $PROFignore_scc = ''; # set to relevant parser flag if explicit sccs ignored
495 $UNPROFscc_auto = ''; # set to relevant hsc flag if forcing auto sccs without profiling
496 $TICKYing = ''; # set to t if compiling for ticky-ticky profiling
497 $PARing = ''; # set to p if compiling for PAR
498 $GRANing = ''; # set to g if compiling for GRAN
499 $UNREGing = ($GhcWithRegisterised eq 'YES') ? '' : 'u';
500 $Specific_hi_file = ''; # set by -ohi <file>; "-" for stdout
501 $Specific_dump_file = ''; # set by -odump <file>; "-" for stdout
502 $Using_dump_file = 0;
504 $Osuffix = ''; # default: use the normal suffix for that kind of output
506 $HiSuffix_prelude = '';
508 $Do_recomp_chkr = 1; # Use the recompilation checker by default
509 $Do_cc = -1; # a MAGIC indeterminate value; will be set to 1 or 0.
512 $Keep_hc_file_too = 0;
513 $Keep_s_file_too = 0;
514 $UseGhcInternals = 0; # if 1, may use GHC* modules
516 $DoAsmMangling = 1; # on by default, off by -fno-asm-mangling
518 $Dump_parser_output = 0;
520 $Dump_asm_splitting_info = 0;
521 $NoImplicitPrelude = 0;
522 # 1 => don't tell the linker to hoist in PrelMain.Main, as an
523 # external main is provided instead.
526 } # end of initDriverGlobals (Sigh)
528 # we split the argv passed to the driver into three:
533 # and files to be linked...
539 # cmd line options prefixing the unit we're compiling
544 We inject consistency-checking information into \tr{.hc} files (both
545 when created by the Haskell compiler and when compiled by the C
546 compiler), so that we can check that an executable is made from
547 consistently-built pieces. (The check is normally done just after
548 linking.) The checking is done by introducing/munging
549 \tr{what(1)}-style strings. Anyway, here are the relevant global
550 variables and their defaults:
552 $LinkChk = 0; # set to 0 if the link check should *not* be done
554 # major & minor version numbers; major numbers must always agree;
555 # minor disagreements yield a warning.
556 $HsC_major_version = $HscMajorVersion;
557 $HsC_minor_version = $HscMinorVersion;
558 $Cc_major_version = $CcMajorVersion;
559 $Cc_minor_version = $CcMinorVersion;
561 # options: these must always agree
562 $HsC_consist_options = ''; # we record, in this order:
563 # Build tag; debugging?
564 $Cc_consist_options = ''; # we record, in this order:
565 # Build tag; debugging?
568 %************************************************************************
570 \section[Driver-parse-argv]{Munge the command-line options}
572 %************************************************************************
574 Now slurp through the arguments.
577 &initDriverGlobals();
578 &splitCmdLine(@ARGV);
579 # Run through the cmd-line first time.
580 &processArgs(@Cmd_opts);
582 # Check to see if driver is only in the business
583 # to generate dependencies
584 if ( $Status == 0 && $Only_generate_deps ) {
586 push (@MkDependHS_flags, "-o$Osuffix") if $Osuffix;
587 # They're not (currently) needed, but we need to quote any -#include options
588 foreach (@Cmd_opts) {
589 s/-#include.*$/'$&'/g;
591 local($to_do) = "$MkDependHS @MkDependHS_flags @HsSourceCppOpts -- @Cmd_opts -- @Input_file" ;
592 &run_something($to_do, 'Haskell dependencies');
596 # ..or just to construct a (Haskell) DLL.
597 if ( $Status == 0 && $Only_generate_dll && $EnableWin32DLLs ) {
603 # if there are several input files,
604 # we don't allow \tr{-o <file>} or \tr{-ohi <file>} options...
605 # (except if linking, of course)
607 if ($#Input_file > 0 && ( ! $Do_lnkr )) {
608 if ( ($Specific_output_file ne '' && $Specific_output_file ne '-')
609 || ($Specific_hi_file ne '' && $Specific_hi_file ne '-') ) {
610 print STDERR "$Pgm: You can't use -o or -ohi options if you have multiple input files.\n";
611 print STDERR "\tPerhaps the -odir option will do what you want.\n";
616 # check for various pathological -o and -odir combinations...
617 if ($Specific_output_dir ne '' && $Specific_output_file ne '') {
618 if ($Specific_output_file eq '-') {
619 print STDERR "$Pgm: can't set output directory with -ohi AND have output to stdout\n";
621 } else { # amalgamate...
622 $Specific_output_file = "$Specific_output_dir/$Specific_output_file";
623 # ToDo: check we haven't got a junk name now...
624 $Specific_output_dir = ''; # reset
628 # crash and burn if there were errors
630 print STDERR $ShortUsage;
635 %************************************************************************
637 \section[Driver-post-argv-mangling]{Setup after reading options}
639 %************************************************************************
641 %************************************************************************
643 \subsection{Set up for optimisation level (\tr{-O} or whatever)}
645 %************************************************************************
647 We come now to the default ``wads of options'' that are turned on by
648 \tr{-O0} (do min optimisation), \tr{-O} (ordinary optimisation),
649 \tr{-O2} (aggressive optimisation), or no O-ish flag (compile speed is
652 The user can also specify his/her own list of options in a file; in
653 that case, the work is already done (see stuff about @minusO3@,
656 GHC allows very precise control of what happens during a compilation.
657 Core-to-Core and STG-to-STG passes can be run in any order, as many
658 times as you like. Individual transformations can be turned on or
661 Sadly, however, there are some interdependencies \& Things You Must
662 Not Do. Here is the list.
666 \item[\tr{-fspecialise}:]
667 The specialiser must have dependency-analysed input; but if you run
668 the simplifier to do this, you must not let it toss away unused
669 bindings! (The typechecker conveys some specialisation info via
670 ``unused'' bindings...)
672 \item[\tr{-ffloat-inwards}:]
673 Floating inwards should be done before strictness analysis, because
674 the latter will give better results.
676 \item[\tr{-fstatic-args}:]
677 The static-arguments-transformation pass {\em must} have the
678 simplifier run right after it.
680 \item[\tr{-fcalc-inlinings[12]}:]
681 Not required, but there may be slight gains by re-simplifying after
682 this is done. (You could then \tr{-fcalc-inlinings} again, just for
685 \item[\tr{-ffull-laziness}:]
686 The (outwards-)let-floater should be the {\em last} Core-to-Core pass
687 that's run. (Um, well, howzabout the simplifier just once more...)
692 sub setupOptimiseFlags {
694 # this pass-ordering sequence was agreed by Simon and Andr\'e
695 # (WDP 94/07, 94/11).
701 $Oopt_MaxSimplifierIterations,
705 $Oopt_FinalStgProfilingMassage
708 @HsC_minusO_flags # NOTE: used for *both* -O and -O2 (some conditional bits)
712 '-fdo-eta-reduction',
713 '-fdo-lambda-eta-expansion',
717 $Oopt_PedanticBottoms,
719 # initial simplify: mk specialiser happy: minimum effort please
723 '-finline-phase0', # Don't inline anything till full laziness has bitten
724 # In particular, inlining wrappers inhibits floating
725 # e.g. ...(case f x of ...)...
726 # ==> ...(case (case x of I# x# -> fw x#) of ...)...
727 # ==> ...(case x of I# x# -> case fw x# of ...)...
728 # and now the redex (f x) isn't floatable any more
730 '-fno-rules', # Similarly, don't apply any rules until after full laziness
731 # Notably, list fusion can prevent floating.
733 '-fno-case-of-case', # Don't do case-of-case transformations.
734 # This makes full laziness work better
736 '-fmax-simplifier-iterations2',
739 # Specialisation is best done before full laziness
740 # so that overloaded functions have all their dictionary lambdas manifest
741 ($Oopt_DoSpecialise) ? ( $Oopt_DoSpecialise, ) : (),
748 # Want to run with inline phase 1 after the specialiser to give
749 # maximum chance for fusion to work before we inline build/augment
750 # in phase 2. This made a difference in 'ansi' where an overloaded
751 # function wasn't inlined till too late.
752 $Oopt_MaxSimplifierIterations,
755 $Oopt_UsageSPInf, # infer usage information here in case we need it later.
756 # (add more of these where you need them --KSW 1999-04)
760 # Need inline-phase2 here so that build/augment get
761 # inlined. I found that spectral/hartel/genfft lost some useful
762 # strictness in the function sumcode' if augment is not inlined
763 # before strictness analysis runs
766 '-fmax-simplifier-iterations2',
772 '-fmax-simplifier-iterations2',
773 # No -finline-phase: allow all Ids to be inlined now
774 # This gets foldr inlined before strictness analysis
783 $Oopt_MaxSimplifierIterations,
784 # No -finline-phase: allow all Ids to be inlined now
787 '-ffloat-outwards', # nofib/spectral/hartel/wang doubles in speed if you
788 # do full laziness late in the day. It only happens
789 # after fusion and other stuff, so the early pass doesn't
790 # catch it. For the record, the redex is
791 # f_el22 (f_el21 r_midblock)
793 # Leave out lambda lifting for now
794 # '-fsimplify', # Tidy up results of full laziness
796 # '-fmax-simplifier-iterations2',
798 # '-ffloat-outwards-full',
800 # We want CSE to follow the final full-laziness pass, because it may
801 # succeed in commoning up things floated out by full laziness.
803 # CSE must immediately follow a simplification pass, because it relies
804 # on the no-shadowing invariant. See comments at the top of CSE.lhs
805 # So it must NOT follow float-inwards, which can give rise to shadowing,
806 # even if its input doesn't have shadows. Hence putting it between
813 # Case-liberation for -O2. This should be after
814 # strictness analysis and the simplification which follows it.
818 # : "-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 ]" ),
822 # Final clean-up simplification:
826 $Oopt_MaxSimplifierIterations,
827 # No -finline-phase: allow all Ids to be inlined now
834 $Oopt_FinalStgProfilingMassage,
840 # SPECIAL FLAGS for -O2
842 # none at the present time
848 Sort out what we're going to do about optimising. First, the @hsc@
849 flags and regular @cc@ flags to worry about:
851 if ( $OptLevel <= 0 ) {
853 # for this level, we tell the parser -fignore-interface-pragmas
854 push(@HsC_flags, '-fignore-interface-pragmas');
855 # and tell the compiler not to produce them
856 push(@HsC_flags, '-fomit-interface-pragmas');
858 &add_Hsc_flags( @HsC_minusNoO_flags );
859 push(@CcBoth_flags, ($MinusO2ForC) ? '-O2' : '-O'); # not optional!
861 } elsif ( $OptLevel == 1 || $OptLevel == 2 ) {
863 &add_Hsc_flags( @HsC_minusO_flags );
864 push(@CcBoth_flags, ($MinusO2ForC || $OptLevel == 2) ? '-O2' : '-O'); # not optional!
865 # -O? to GCC is not optional! -O2 probably isn't worth it generally,
866 # but it *is* useful in compiling the garbage collector.
868 } else { # -Ofile, then...
870 &add_Hsc_flags( @HsC_minusO3_flags );
871 push(@HsC_flags, $Oopt_FinalStgProfilingMassage) if $Oopt_FinalStgProfilingMassage;
873 push(@CcBoth_flags, ($MinusO2ForC) ? '-O2' : '-O'); # possibly to be elaborated...
876 } # setupOptimiseFlags
880 %************************************************************************
882 \subsection{Check for consistency, etc.}
884 %************************************************************************
886 Sort out @$BuildTag@, @$PROFing@, @$PARing@,
887 @$GRANing@, @$TICKYing@, @UNREGing@:
889 sub setupBuildFlags {
891 # PROFILING stuff after argv mangling:
893 # add -auto sccs even if not profiling !
894 push(@HsC_flags, $UNPROFscc_auto) if $UNPROFscc_auto;
897 push(@HsC_flags, $PROFauto) if $PROFauto;
898 push(@HsC_flags, $PROFcaf) if $PROFcaf;
899 push(@HsC_flags, $PROFdict) if $PROFdict;
901 $Oopt_FinalStgProfilingMassage = '-fmassage-stg-for-profiling';
903 # Ignore user sccs when auto annotating, but warn when doing so.
904 $PROFignore_scc = '-W' if $PROFauto;
906 #if ( $BuildTag ne '' ) {
907 # local($b) = $BuildDescr{$BuildTag};
908 # if ($PARing eq 'p') { print STDERR "$Pgm: Can't mix $b with -parallel.\n"; exit 1; }
909 # if ($GRANing eq 'g') { print STDERR "$Pgm: Can't mix $b with -gransim.\n"; exit 1; }
910 # if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix $b with -ticky.\n"; exit 1; }
912 # # ok to have a user-way profiling build
913 # # eval the profiling opts ... but leave user-way BuildTag
914 # if ($PROFing eq 'p') { &processArgs(split(' ', $SetupOpts{'_p'})); } # eval($EvaldSetupOpts{'_p'}); }
916 if ( $PROFing eq 'p' ) {
917 if ($PARing eq 'p') { print STDERR "$Pgm: Can't do profiling with -parallel.\n"; exit 1; }
918 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't do profiling with -gransim.\n"; exit 1; }
919 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't do profiling with -ticky.\n"; exit 1; }
922 } elsif ( $PARing eq 'p' ) {
923 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't mix -parallel with -gransim.\n"; exit 1; }
924 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix -parallel with -ticky.\n"; exit 1; }
927 if ( $Do_lnkr && ( ! $ENV{'PVM_ROOT'} || ! $ENV{'PVM_ARCH'} )) {
928 print STDERR "$Pgm: both your PVM_ROOT and PVM_ARCH environment variables must be set for linking under -parallel.\n";
932 } elsif ( $SMPing eq 's') {
935 } elsif ( $GRANing eq 'g' ) {
936 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix -gransim with -ticky.\n"; exit 1; }
939 } elsif ( $TICKYing eq 't' ) {
942 } elsif ( $UNREGing eq 'u' ) {
943 if ($GhcWithRegisterised eq 'YES') {
949 After the sanity checks, add flags to the necessary parts of the driver pipeline:
952 if ( $BuildTag ne '' ) { # something other than normal sequential...
954 local($Tag) = "${BuildTag}";
955 $Tag =~ s/_//; # move the underscore to the back
957 $HscLang = 'C'; # must go via C
958 &processArgs(split(' ', $SetupOpts{$BuildTag}));
959 # eval($EvaldSetupOpts{$BuildTag});
963 Decide what the consistency-checking options are in force for this run:
966 $HsC_consist_options = "${BuildTag},${DEBUGging}";
967 $Cc_consist_options = "${BuildTag},${DEBUGging}";
970 # Funny place to put it, but why not.
972 if ( $HiSuffix_prelude eq '' ) {
974 if ($CompilingPrelude) {
975 $HiSuffix_prelude = "$HiSuffix" if $CompilingPrelude;
977 local($Tag) = "${BuildTag}";
980 $Tag = "${Tag}_" if $Tag ne '';
981 $HiSuffix_prelude="${Tag}hi";
987 %************************************************************************
989 \subsection{Add on machine-specific C-compiler flags}
991 %************************************************************************
993 Shove on magical machine-specific options. We use \tr{unshift} to
994 stick them on the {\em front} of the arrays, so that ``later''
995 user-specified flags can clobber them (e.g., \tr{-U__STG_REV_TBLS__}).
997 Note: a few ``always apply'' flags were set at the very beginning.
1002 if ($TargetPlatform =~ /^alpha-/) {
1003 unshift(@CcBoth_flags, ('-static'));
1005 } elsif ($TargetPlatform =~ /^hppa/) {
1006 unshift(@CcBoth_flags, ('-static'));
1008 # We don't put in '-mlong-calls', because it's only
1009 # needed for very big modules (sigh), and we don't want
1010 # to hobble ourselves further on all the other modules
1013 # [Dated comment (gcc-2.6.x?), -mlong-calls is no longer
1014 # a supported gcc HPPA flag]
1015 unshift(@CcBoth_flags, ('-D_HPUX_SOURCE'));
1016 # ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
1017 # (very nice, but too bad the HP /usr/include files don't agree.)
1019 } elsif ($TargetPlatform =~ /^i386-/) {
1020 # -fno-defer-pop : basically the same game as for m68k
1022 # -fomit-frame-pointer : *must* in .hc files; because we're stealing
1023 # the fp (%ebp) for our register maps.
1025 unshift(@CcRegd_flags_hc, '-fno-defer-pop');
1026 unshift(@CcRegd_flags_hc, '-fomit-frame-pointer');
1027 unshift(@CcRegd_flags, "-DSTOLEN_X86_REGS=$StolenX86Regs");
1029 unshift(@CcBoth_flags, ('-DDONT_WANT_WIN32_DLL_SUPPORT')) if ($Static);
1031 } elsif ($TargetPlatform =~ /^m68k-/) {
1032 # -fno-defer-pop : for the .hc files, we want all the pushing/
1033 # popping of args to routines to be explicit; if we let things
1034 # be deferred 'til after an STGJUMP, imminent death is certain!
1036 # -fomit-frame-pointer : *don't*
1037 # It's better to have a6 completely tied up being a frame pointer
1038 # rather than let GCC pick random things to do with it.
1039 # (If we want to steal a6, then we would try to do things
1040 # as on iX86, where we *do* steal the frame pointer [%ebp].)
1042 unshift(@CcRegd_flags_hc, '-fno-defer-pop');
1043 unshift(@CcRegd_flags, '-fno-omit-frame-pointer');
1044 # maybe gives reg alloc a better time
1045 # also: -fno-defer-pop is not sufficiently well-behaved without it
1047 } elsif ($TargetPlatform =~ /^mips-/) {
1048 unshift(@CcBoth_flags, ('-static'));
1050 } elsif ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
1051 unshift(@CcBoth_flags, ('-static')); # always easier to start with
1052 unshift(@CcRegd_flags, ('-finhibit-size-directive')); # avoids traceback tables
1053 } elsif ($TargetPlatform =~ /^sparc-/) {
1055 } # end of setupMachOpts
1058 %************************************************************************
1060 \subsection{Set up for warnings}
1062 %************************************************************************
1064 Several warnings are turned on by default. These are supposed to be
1065 the 'I'm pretty sure you've made a mistake here' kind of warnings.
1066 The rest are turned on by the -W and -Wall options, or individually
1067 via their -fwarn and -fno-warn flags.
1070 sub setupWarningFlags {
1071 &add_Hsc_flags( @StandardWarnings );
1075 Same unshifting magic, but for special linker flags.
1077 The configure script determines whether the object file symbol tables
1078 have a leading underscore, and sets @LeadingUnderscore@ accordingly.
1079 (The driver script `sees' the setting of the @LeadingUnderscore@
1080 by having the Makefile prepend it).
1084 local($uscore) = ( ${LeadingUnderscore} eq 'YES' ) ? '_' : '';
1087 (($Ld_main) ? ( '-u', "${uscore}Main_" . $Ld_main . '_closure' ) : ()));
1089 # things that are referenced by the RTS - make sure that we pull 'em in
1091 ( '-u', "${uscore}PrelBase_Izh_static_info"
1092 ,'-u', "${uscore}PrelBase_Czh_static_info"
1093 ,'-u', "${uscore}PrelFloat_Fzh_static_info"
1094 ,'-u', "${uscore}PrelFloat_Dzh_static_info"
1095 ,'-u', "${uscore}PrelAddr_Azh_static_info"
1096 ,'-u', "${uscore}PrelAddr_Wzh_static_info"
1097 ,'-u', "${uscore}PrelAddr_I64zh_static_info"
1098 ,'-u', "${uscore}PrelAddr_W64zh_static_info"
1099 ,'-u', "${uscore}PrelStable_StablePtr_static_info"
1100 ,'-u', "${uscore}PrelBase_Izh_con_info"
1101 ,'-u', "${uscore}PrelBase_Czh_con_info"
1102 ,'-u', "${uscore}PrelFloat_Fzh_con_info"
1103 ,'-u', "${uscore}PrelFloat_Dzh_con_info"
1104 ,'-u', "${uscore}PrelAddr_Azh_con_info"
1105 ,'-u', "${uscore}PrelAddr_Wzh_con_info"
1106 ,'-u', "${uscore}PrelAddr_I64zh_con_info"
1107 ,'-u', "${uscore}PrelAddr_W64zh_con_info"
1108 ,'-u', "${uscore}PrelStable_StablePtr_con_info"
1109 ,'-u', "${uscore}PrelBase_False_closure"
1110 ,'-u', "${uscore}PrelBase_True_closure"
1111 ,'-u', "${uscore}PrelPack_unpackCString_closure"
1112 ,'-u', "${uscore}PrelException_stackOverflow_closure"
1113 ,'-u', "${uscore}PrelException_heapOverflow_closure"
1114 ,'-u', "${uscore}PrelException_NonTermination_closure"
1115 ,'-u', "${uscore}PrelException_PutFullMVar_closure"
1116 ,'-u', "${uscore}PrelException_BlockedOnDeadMVar_closure"
1117 ,'-u', "${uscore}__init_Prelude"
1118 ,'-u', "${uscore}__init_PrelMain"
1120 if (!$NoHaskellMain) {
1121 unshift (@Ld_flags,'-u', "${uscore}PrelMain_mainIO_closure");
1123 if ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
1124 # sometimes we have lots of toc entries...
1125 # unshift(@Ld_flags, ('-Xlinker -bbigtoc -Xlinker -bnoquiet'));
1126 unshift(@Ld_flags, ('-Xlinker -bbigtoc'));
1128 if ($TargetPlatform =~ /^hppa/) {
1129 unshift(@Ld_flags, ('-Xlinker +vnocompatwarnings'));
1132 } # end of setupLinkOpts
1136 %************************************************************************
1138 \subsection{Set up include paths and system-library enslurpment}
1140 %************************************************************************
1142 Now that we know what garbage-collector, etc., are required, we can
1143 finalise our list of libraries to slurp through, and generally Get
1148 # default includes must be added AFTER option processing
1149 if ( ! $INSTALLING ) {
1150 push (@Include_dir, "$TopPwd/${CURRENT_DIR}/${GHC_INCLUDE_DIR}");
1152 push (@Include_dir, "$InstLibDirGhc/includes");
1154 } # end of setupIncPaths
1159 push(@SysLibrary, ( '-lHSstd', '-lHSstd_cbits' )); # basic I/O and prelude stuff
1162 foreach $f (@SysLibrary) {
1163 next if $f =~ /_cbits/;
1164 $f .= $BuildTag if $f =~ /^-lHS/;
1167 # Push library HSrts, plus boring clib bit
1168 push(@SysLibrary, "-lHSrts${BuildTag}");
1171 # RTS compiled with cygwin32, uses the WinMM API
1172 # to implement the itimers, since cygwin.dll does not
1173 # support it. Only reqd. for `ways' that use itimers.
1175 push(@SysLibrary, '-lwinmm') if ($TargetPlatform =~ /-(mingw32|cygwin32)$/);
1176 # Note: currently only tested with mingw, may cause conflicts when linking
1178 push(@SysLibrary, '-lwsock32') if ($TargetPlatform =~ /-(mingw32|cygwin32)$/);
1180 # Push the pvm libraries
1181 if ($BuildTag eq '_mp') {
1182 $pvmlib = "$ENV{'PVM_ROOT'}/lib/$ENV{'PVM_ARCH'}";
1183 push(@SysLibrary, "-L$pvmlib", '-lgpvm3', '-lpvm3');
1184 if ( $ENV{'PVM_ARCH'} eq 'SUNMP' ) {
1185 push(@SysLibrary, '-lthread', '-lsocket', '-lnsl');
1186 } elsif ( $ENV{'PVM_ARCH'} eq 'SUN4SOL2' ) {
1187 push(@SysLibrary, '-lsocket', '-lnsl');
1191 # Push the GNU multi-precision arith lib; and the math library
1193 # If this machine has GMP already installed, then we'll get the installed
1194 # lib here, because presumably the one in the tree won't have been built.
1196 if ($LibGmp eq 'not-installed') {
1197 push(@SysLibrary, "-lgmp");
1199 push(@SysLibrary, "-l$LibGmp");
1202 push(@SysLibrary, '-lm') if !( $TargetPlatform =~ /^.*(cygwin32|mingw32)$/ );
1205 %************************************************************************
1207 \subsection{Check that this system was built to do what we are asking}
1209 %************************************************************************
1211 Before continuing we check that the appropriate build is available.
1214 #die "$Pgm: no BuildAvail?? $BuildTag\n" if $BuildDescr{$BuildTag} eq '' ; # sanity
1216 if ( $BuildDescr{$BuildTag} eq '' ) {
1217 print STDERR "$Pgm: a `", $BuildDescr{$BuildTag},
1218 "' \"build\" is not available with your GHC setup.\n";
1219 print STDERR "(It was not configured for it at your site.)\n";
1220 print STDERR $ShortUsage;
1224 } # end of setupSyslibs
1228 %************************************************************************
1230 \subsection{Final miscellaneous setup bits before we start going}
1232 %************************************************************************
1234 Record largest specific heapsize, if any.
1236 sub setupHeapStackSize {
1237 $Specific_heap_size = $Specific_heap_size * $Scale_sizes_by;
1238 push(@HsC_rts_flags, '-H'.$Specific_heap_size);
1239 $Specific_stk_size = $Specific_stk_size * $Scale_sizes_by;
1240 push(@HsC_rts_flags, "-K$Specific_stk_size");
1244 If no input or link files seen, then we let 'em feed in stdin; this is
1245 mainly for debugging.
1249 if ($#Input_file < 0 && $#Link_file < 0) {
1250 @Input_file = ( '-' );
1252 open(INF, "> $Tmp_prefix.hs") || &tidy_up_and_die(1,"Can't open $Tmp_prefix.hs\n");
1253 print STDERR "Enter your Haskell program, end with ^D (on a line of its own):\n" if -t;
1254 while (<STDIN>) { print INF $_; }
1255 close(INF) || &tidy_up_and_die(1,"Failed writing to $Tmp_prefix.hs\n");
1260 Tell the world who we are, if they asked.
1262 print STDERR "${ProjectName}, version ${ProjectVersion}\n" if $Verbose;
1265 %************************************************************************
1267 \section[Driver-main-loop]{Main loop: Process input files, and link if required}
1269 %************************************************************************
1271 Process the input files; don't continue with linking if there are
1272 problems (global variable @$Status@ non-zero).
1274 foreach $ifile (@Input_file) {
1275 &ProcessInputFile($ifile);
1278 # don't link if there were errors...
1279 if ( $Status > 0 ) {
1280 print STDERR $ShortUsage;
1285 # Link if appropriate.
1286 &runLinker() if $Do_lnkr;
1288 # that... that's all, folks!
1290 exit $Status; # will still be 0 if all went well
1293 %************************************************************************
1295 \section[Driver-do-one-file]{How to process a single input file}
1297 %************************************************************************
1300 sub ProcessInputFile {
1301 local($ifile) = @_; # input file name
1302 local($ifile_root); # root of or basename of input file
1303 local($ofile_target); # ultimate output file we hope to produce
1304 # from input file (need to know for recomp
1305 # checking purposes)
1306 local($hifile_target);# ditto (but .hi file)
1307 local($ofile_c_stub_target);
1308 local($ofile_h_stub_target);
1311 Handle the weirdity of input from stdin.
1313 if ($ifile ne '-') {
1314 ($ifile_root = $ifile) =~ s/\.[^\.\/]+$//;
1315 $ofile_target = # may be reset later...
1316 ($Specific_output_file ne '' && ! $Do_lnkr)
1317 ? $Specific_output_file
1318 : &odir_ify($ifile_root, 'o');
1319 $hifile_target= ($Specific_hi_file ne '')
1321 : "$ifile_root.$HiSuffix"; # ToDo: odirify?
1322 # NB: may change if $ifile_root isn't module name (??)
1323 ($ofile_c_stub_target = $ifile) =~s/\.[^\.\/]+$/_stub.c/;
1324 ($ofile_h_stub_target = $ifile) =~s/\.[^\.\/]+$/_stub.h/;
1326 $ifile = "$Tmp_prefix.hs"; # we know that's where we put the input
1327 $ifile_root = '_stdin';
1328 $ofile_target = '_stdout'; # gratuitous?
1329 $hifile_target= '_stdout'; # ditto?
1333 We need to decide what phases of the compilation system we will run
1334 over this file. The defaults are the ones established when processing
1335 flags. (That established what the last phase run for all files is.)
1337 We do the pre-recompilation-checker phases here; the rest later.
1341 Look at the suffix and decide what initial phases of compilation may
1342 be dropped off for this file. Also the rather boring business of
1343 which files are coming-in/going-out.
1345 Again, we'll do the post-recompilation-checker parts of this later.
1347 local($do_lit2pgm) = ($ifile =~ /\.lhs$/) ? 1 : 0;
1348 local($do_hscpp) = 1; # but "hscpp" might really be "cat"
1351 # names of the files to stuff between phases
1352 # defaults are temporaries
1353 local($in_lit2pgm) = $ifile;
1354 local($lit2pgm_hscpp) = "$Tmp_prefix.lpp";
1355 local($hscpp_hsc) = "$Tmp_prefix.cpp";
1356 local($hsc_hi) = "$Tmp_prefix.hi";
1357 local($cc_as_o) = "${Tmp_prefix}_o.s"; # temporary for raw .s file if opt C
1358 local($cc_as) = "$Tmp_prefix.s"; # mangled or hsc-produced .s code
1359 local($as_out) = $ofile_target;
1361 local($is_hc_file) = 1; #Is the C code .hc or .c? Assume .hc for now
1363 # OK, let's strip off some literate junk..
1365 &runLit2pgm($in_lit2pgm, $lit2pgm_hscpp)
1367 $lit2pgm_hscpp = $ifile;
1373 # Scan the top of the de-litted file for {-# OPTIONS #-} pragmas
1374 &check_for_source_options($lit2pgm_hscpp,$ifile);
1376 # Options found in the source file take a back seat, i.e., we scan
1377 # them first. Only process the command line again if source file
1378 # contained anything of interest *or* there's more than one
1379 # input file (we have to reset the options).
1381 if ( $#Input_file >= 0 || $#File_options >= 0) {
1382 #@File_options = (@File_options, @Cmd_opts);
1384 # Now process the command line
1385 &initDriverGlobals();
1386 &processArgs((@File_options,@Cmd_opts));
1387 print STDERR "\nEffective command line: " .
1388 join(' ',(@File_options,@Cmd_opts)) . "\n" if $Verbose;
1391 # Having got the effective command line scanned, set up
1392 # the various options in prep for some real work.
1394 # check the sanity of the BuildTag we're about to use,
1395 # and if needs be, add some more flags and setup to
1396 # the different phases.
1399 &setupOptimiseFlags();
1402 &setupWarningFlags();
1403 &setupHeapStackSize();
1406 # These two variables need to be set after the
1407 # command-line has been processed and the build options
1408 # have be seen set up. This is because command-line options
1409 # can control whether to compile vias C or not.
1411 local($do_cc) = ( $Do_cc != -1) # i.e., it was set explicitly
1413 : ( ($HscLang eq 'C') ? 1 : 0 );
1414 local($do_as) = $Do_as;
1416 local($hsc_out_suffix) = ( $HscLang eq 'C' ) ? "hc" :
1417 ( $HscLang eq 'asm' ) ? "s" :
1418 ( $HscLang eq 'java' ) ? "java" :
1421 local($hsc_out) = "$Tmp_prefix.$hsc_out_suffix" ;
1422 local($hsc_out_c_stub) = "${Tmp_prefix}_stb.c";
1423 local($hsc_out_h_stub) = "${Tmp_prefix}_stb.h";
1425 if ($Only_preprocess_hc) { # stop after having run $Cc -E
1428 if ($Only_preprocess_C) { # stop after having run $hscpp
1429 $do_hsc=0; $do_cc = 0; $do_as=0;
1430 } elsif ($ifile =~ /.lhs$/ || $ifile =~ /.hs$/ ) {
1432 } elsif ($ifile =~ /\.hc$/ || $ifile =~ /_hc$/ ) { # || $ifile =~ /\.$Isuffix$/o) # ToDo: better
1433 $do_hscpp = 0; $do_hsc = 0; $do_cc = 1;
1435 $hsc_out_c_stub = '';
1436 $hsc_out_h_stub = '';
1437 } elsif ($ifile =~ /\.c$/) {
1438 $do_hscpp = 0; $do_hsc = 0; $do_cc = 1;
1439 $hsc_out = $ifile; $is_hc_file = 0;
1440 $hsc_out_c_stub = '';
1441 $hsc_out_h_stub = '';
1442 } elsif ($ifile =~ /\.[sS]$/) {
1443 $do_hscpp = 0; $do_hsc = 0; $do_cc = 0;
1445 } else { # don't know what it is, but nothing to do herein...
1446 $do_hscpp = 0; $do_hsc = 0; $do_cc = 0; $do_as = 0;
1449 # hack to avoid running hscpp
1450 $HsCpp = $Cat if ! $Cpp_flag_set;
1452 &runHscpp($in_lit2pgm, $lit2pgm_hscpp, $hscpp_hsc) if $do_hscpp;
1456 We now think about whether to run hsc/cc or not (when hsc produces .s
1457 stuff, it effectively takes the place of both phases).
1458 To get the output file name right: for each phase that we are {\em
1459 not} going to run, set its input (i.e., the output of its preceding
1460 phase) to @"$ifile_root.<suffix>"@.
1463 local($going_interactive) = $HscLang eq 'none' || $ifile_root eq '_stdin';
1466 # Warning issued if -keep-hc-file-too is used without
1467 # -fvia-C (or the equivalent)
1469 if ( $HscLang ne 'C' && $Keep_hc_file_too ) {
1470 print STDERR "$Pgm: warning: Native code generator to be used, -keep-hc-file-too will be ignored\n";
1473 if (! $do_cc && ! $do_as) { # stopping after hsc
1474 $hsc_out = ($Specific_output_file ne '')
1475 ? $Specific_output_file
1476 : &odir_ify($ifile_root, $hsc_out_suffix);
1478 $ofile_target = $hsc_out; # reset
1481 if (! $do_as) { # stopping after gcc (or hsc)
1482 $cc_as = ($Specific_output_file ne '')
1483 ? $Specific_output_file
1484 : &odir_ify($ifile_root, ( $Only_preprocess_hc ) ? 'i' : 's');
1486 $ofile_target = $cc_as; # reset
1492 Now the Haskell compiler, C compiler, and assembler
1496 &runHscAndProcessInterfaces( $ifile, $hscpp_hsc, $ifile_root,
1497 $ofile_target, $hifile_target,
1498 $going_interactive);
1501 if (-f $hsc_out_h_stub) {
1502 &run_something("cp $hsc_out_h_stub $ofile_h_stub_target", 'Copy foreign export header file');
1506 # Bring the C stub protos into scope when compiling the .hc file.
1508 push (@CcInjects, "#include \"${hsc_out_h_stub}\"\n");
1509 # Hack - ensure that the stub .h file is included in the OPTIONS section
1510 # if the .hc file is saved.
1511 push (@File_options, "-#include \"${ofile_h_stub_target}\"\n");
1514 &runGcc ($is_hc_file, $hsc_out, $cc_as_o);
1515 &runMangler($is_hc_file, $cc_as_o, $cc_as, $ifile_root) if ! $Only_preprocess_hc;
1518 &split_asm_file($cc_as) if $do_as && $SplitObjFiles;
1520 # save a copy of the .s file..
1521 &saveIntermediate($ifile_root , "s" , $cc_as) if ($do_as && $Keep_s_file_too);
1522 &runAs($as_out, $ifile_root) if $do_as;
1524 if (-f $hsc_out_c_stub) {
1525 &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');
1526 local ($hsc_out_s_stub);
1527 local ($hsc_out_o_stub);
1528 ($ofile_s_stub_target = $ofile_c_stub_target) =~ s/\.(.*)$/\.s/;
1529 ($ofile_o_stub_target = $ofile_c_stub_target) =~ s/\.(.*)$//;
1531 $ofile_o_stub_target = &osuf_ify($ofile_o_stub_target, "o");
1532 if ($do_cc || $do_as) { # might be using NCG, so check $do_as
1533 &runGcc (0, $ofile_c_stub_target, $ofile_s_stub_target);
1534 &runAs ($ofile_o_stub_target, $ofile_s_stub_target);
1540 Finally, decide what to queue up for linker input.
1542 # tentatively assume we will eventually produce linker input:
1543 push(@Link_file, &odir_ify($ifile_root, 'o'));
1545 #ToDo: local($or_isuf) = ($Isuffix eq '') ? '' : "|$Isuffix";
1547 if ( $ifile !~ /\.(lhs|hs|hc|c|s|a|S)$/ && $ifile !~ /_hc$/ ) {
1548 # There's sometimes confusion regarding .hi files; users
1549 # supplying them on the command line.
1550 if ( $ifile =~ /\.hi$/ ) {
1551 print STDERR "$Pgm: warning: found `$ifile' on command line; interface files should not be supplied here - ignoring it.\n";
1553 print STDERR "$Pgm: don't recognise suffix on `$ifile'; passing it through to linker\n";
1555 # oops; we tentatively pushed the wrong thing; fix & do the right thing
1556 pop(@Link_file); push(@Link_file, $ifile);
1560 } # end of ProcessInputFile
1563 %************************************************************************
1565 \section[Driver-run-phases]{Routines to run the various phases}
1567 %************************************************************************
1571 local($in_lit2pgm, $lit2pgm_hscpp) = @_;
1575 # Only add #line pragma if we're going to need it.
1576 $to_do = "echo '#line 1 \"$in_lit2pgm\"' > $lit2pgm_hscpp && " if ($Cpp_flag_set);
1577 $to_do .= "$Unlit @Unlit_flags $in_lit2pgm - >> $lit2pgm_hscpp";
1579 push(@Files_to_tidy, $lit2pgm_hscpp );
1581 &run_something($to_do, 'literate pre-processor');
1587 local($in_lit2pgm, $lit2pgm_hscpp, $hscpp_hsc) = @_;
1591 # Strictly speaking, echoing of the following line pragma is only required
1592 # on non-delit'ed input, as we've already added it during de-lit. However,
1593 # hscpp will then add a {-# LINE 1 "$lit2pgm_hsc" -} to the top of the file,
1594 # which is not very informative (but harmless). Hence, we uniformly have
1595 # {-# LINE 1 "$in_lit2pgm" #-} as the first line to all cpp'ed hsc input.
1597 $to_do = "echo '{-# LINE 1 \"$in_lit2pgm\" -}' > $hscpp_hsc && ";
1599 if ($HsCpp eq $Cat) {
1600 $to_do .= "$HsCpp $lit2pgm_hscpp >> $hscpp_hsc";
1601 push(@Files_to_tidy, $hscpp_hsc );
1602 &run_something($to_do, 'Ineffective C pre-processor');
1604 local($includes) = '-I' . join(' -I',@Include_dir);
1605 $to_do .= "$HsCpp $Verbose @HsCpp_flags @HsSourceCppOpts $includes $lit2pgm_hscpp >> $hscpp_hsc";
1606 push(@Files_to_tidy, $hscpp_hsc );
1607 &run_something($to_do, 'Haskellised C pre-processor');
1610 if ( $Only_preprocess_C ) {
1611 $to_do = "$Cat $hscpp_hsc";
1612 &run_something($to_do, '');
1620 sub runHscAndProcessInterfaces {
1621 local($ifile, $hscpp_hsc, $ifile_root,
1622 $ofile_target, $hifile_target,
1623 $going_interactive) = @_;
1625 # $ifile is the original input file
1626 # $hscpp_hsc post-unlit, post-cpp, etc., input file
1627 # $ifile_root input filename minus suffix
1628 # $ofile_target the output file that we ultimately hope to produce
1629 # $hifile_target the .hi file ... (ditto)
1631 local($source_unchanged) = 1;
1633 # Check if the source file is up to date relative to the target; in
1634 # that case we say "source is unchanged" and let the compiler bail out
1635 # early if the import usage information allows it.
1637 ($i_dev,$i_ino,$i_mode,$i_nlink,$i_uid,$i_gid,$i_rdev,$i_size,
1638 $i_atime,$i_mtime,$i_ctime,$i_blksize,$i_blocks) = stat($ifile);
1640 # The informational messages below are now conditional on -v being set -- SOF
1641 if ( $ofile_target ne "_stdin.s" && ! -f $ofile_target ) {
1642 print STDERR "$Pgm:compile:Output file $ofile_target doesn't exist\n" if $Verbose;
1643 $source_unchanged = 0;
1646 ($o_dev,$o_ino,$o_mode,$o_nlink,$o_uid,$o_gid,$o_rdev,$o_size,
1647 $o_atime,$o_mtime,$o_ctime,$o_blksize,$o_blocks) = stat(_); # stat info from -f test
1649 if ( $hifile_target ne "_stdout" && ! -f $hifile_target ) {
1650 print STDERR "$Pgm:compile:Interface file $hifile_target doesn't exist\n" if $Verbose;
1651 $source_unchanged = 0;
1654 ($hi_dev,$hi_ino,$hi_mode,$hi_nlink,$hi_uid,$hi_gid,$hi_rdev,$hi_size,
1655 $hi_atime,$hi_mtime,$hi_ctime,$hi_blksize,$hi_blocks) = stat(_); # stat info from -f test
1657 if ( $ofile_target ne "_stdin.s" && $i_mtime > $o_mtime) {
1658 print STDERR "$Pgm:recompile:Input file $ifile newer than $ofile_target\n" if $Verbose;
1659 $source_unchanged = 0;
1662 # Tell the compiler which version we're using
1663 push(@HsC_flags, "-fhi-version=${ProjectVersionInt}");
1665 # So if source_unchanged is still "1", we pass on the good news to the compiler
1666 # The -recomp flag can disable this, forcing recompilation
1667 if ($Do_recomp_chkr && $source_unchanged) {
1668 push(@HsC_flags, '-fsource-unchanged');
1671 # Indicate whether we're static or not.
1672 # This will only ever
1673 push(@HsC_flags, '-static') if $Static;
1677 &runHsc($ifile_root, $hsc_out, $hsc_hi, $hsc_out_c_stub, $hsc_out_h_stub, $going_interactive);
1679 # See if it bailed out early, saying nothing needed doing.
1680 # We work this out by seeing if it created an output .hi file
1682 if ( ! -f $hsc_hi && $ProduceHi !~ /-nohifile=/ ) {
1683 # Doesn't exist, so we bailed out early.
1684 # Tell the C compiler and assembler not to run
1685 $do_cc = 0; $do_as = 0;
1687 # Update dependency info, by touching the object file
1688 # This records in the file system that the work of
1689 # recompiling this module has been done
1691 &run_something("touch $ofile_target",
1692 "Touch $ofile_target, to propagate dependencies") if $HscLang ne 'none';
1696 # Didn't bail out early (new .hi file) so we thunder on
1698 # If non-interactive, heave in the consistency info at the end
1699 # NB: pretty hackish (depends on how $output is set)
1700 if ( ! $going_interactive ) {
1701 if ( $HscLang eq 'C' ) {
1702 $to_do = "echo 'static char ghc_hsc_ID[] = \"\@(#)hsc $ifile\t$HsC_major_version.$HsC_minor_version,$HsC_consist_options\";' >> $hsc_out";
1704 &run_something($to_do, 'Pin on Haskell consistency info');
1705 } elsif ( $HscLang eq 'asm' ) {
1706 local($consist) = "hsc.$ifile.$HsC_major_version.$HsC_minor_version.$HsC_consist_options";
1707 $consist =~ s/,/./g;
1708 $consist =~ s/\//./g;
1709 $consist =~ s/-/_/g;
1710 $consist =~ s/[^A-Za-z0-9_.]/ZZ/g; # ToDo: properly?
1711 $to_do = "echo '\n\t.text\n$consist:' >> $hsc_out";
1712 &run_something($to_do, 'Pin on Haskell consistency info');
1714 # no consistency info for Java output files
1718 # Interface-handling is important enough to live off by itself
1719 if ( $ProduceHi !~ /-nohifile=/ ) { # If we've produced one, process it.
1720 require('ghc-iface.prl') || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-iface.prl!\n");
1721 &postprocessHiFile($hsc_hi, $hifile_target, $going_interactive);
1723 # if we're going to split up object files,
1724 # we inject split markers into the .hc file now
1725 if ( $HscLang eq 'C' && $SplitObjFiles ) {
1726 &inject_split_markers ( $hsc_out );
1729 # save a copy of the .hc file, even if we are carrying on...
1730 if ($HscLang eq 'C' && $do_cc && $Keep_hc_file_too) {
1731 &saveIntermediate($ifile_root , "hc" , $hsc_out);
1741 local($ifile_root, $hsc_out, $hsc_hi, $hsc_out_c_stub, $hsc_out_h_stub, $going_interactive) = @_;
1743 &makeHiMap() unless $HiMapDone;
1744 push(@HsC_flags, "\"-himap=$HiIncludeString\"");
1745 push(@HsC_flags, "\"-himap-sep=${SplitMarker}\"");
1747 # here, we may produce .hc/.s and/or .hi files
1748 local($output) = '';
1749 #@Files_to_tidy = ();
1751 if ( $going_interactive ) {
1752 # don't need .hi unless we're going to show it on stdout:
1753 $ProduceHi = '-nohifile=' if ! ($HiOnStdout || $Specific_hi_file ne '' );
1754 $do_cc = 0; $do_as = 0; $Do_lnkr = 0; # and we won't go any further...
1757 # set up for producing output/.hi; note that flag twiddling
1758 # may mean that nothing will actually be produced:
1759 $oflags = ( $HscLang eq 'none' ? "" : "-olang=$HscLang -ofile=$hsc_out" ) ;
1760 $output = "$ProduceHi$hsc_hi $oflags -F=$hsc_out_c_stub -FH=$hsc_out_h_stub";
1761 push(@Files_to_tidy, $hsc_hi, $hsc_out, $hsc_out_c_stub, $hsc_out_h_stub );
1763 # if we're compiling foo.hs, we want the GC stats to end up in foo.stat
1764 if ( $CollectingGCstats ) {
1765 push(@HsC_rts_flags, "-S$ifile_root.stat");
1766 push(@Files_to_tidy, "$ifile_root.stat");
1769 if ( $CollectGhcTimings ) { # assume $RTS_style eq 'ghc'
1770 # emit nofibbish time/bytes-alloc stats to stderr;
1771 # see later .stat file post-processing
1772 print STDERR "warning: both -Rgc-stats and -Rghc-timing used, -Rghc-timing wins." if $CollectingGCstats;
1773 push(@HsC_rts_flags, "-S$Tmp_prefix.stat");
1774 push(@Files_to_tidy, "$Tmp_prefix.stat");
1778 if ($Specific_dump_file ne '') {
1779 $dump = "2>> $Specific_dump_file";
1780 $Using_dump_file = 1;
1784 # Win32 only: If the command processor used by system()
1785 # exec()s the application as an ordinary Win32 executable,
1786 # we're in trouble here, since the command line is likely
1787 # to be > 255 chars long. To work around this situation,
1788 # $HsC also understands `at-files', i.e., `@file' on the
1789 # command line will cause $HsC to add the contents of `file'
1790 # to the command line.
1792 # [ Note: support for `at-files' is not compiled in by default ]
1793 $cmd_line_opts_via_at_file=0;
1794 if ($cmd_line_opts_via_at_file) {
1796 local($to_do_opts) = "$Tmp_prefix.opts";
1797 open(OPTS, "> $Tmp_prefix.opts") || &tidy_up_and_die(1,"Can't open $Tmp_prefix.opts\n");
1798 print OPTS "$dump @HsC_flags $CoreLint $USPLint $StgLint $Verbose";
1800 $to_do = "$HsC $hscpp_hsc \@$Tmp_prefix.opts $output +RTS @HsC_rts_flags";
1804 $to_do = "$HsC $hscpp_hsc $dump @HsC_flags $CoreLint $USPLint $StgLint $Verbose $output +RTS @HsC_rts_flags";
1806 &run_something($to_do, 'Haskell compiler');
1808 # finish business w/ nofibbish time/bytes-alloc stats
1809 &process_ghc_timings() if $CollectGhcTimings;
1813 Use \tr{@Import_dir} and \tr{@SysImport_dir} to make a tmp file
1814 of (module-name, pathname) pairs, one per line, separated by a space.
1817 $HiIncludeString = (); # dir1:dir2:dir3, to pass to GHC
1821 # collect in %HiMap; write later; also used elsewhere in driver
1823 local($mod, $path, $d, $e);
1825 # reset the global variables:
1827 $HiIncludeString = (); # dir1:dir2:dir3, to pass to GHC
1829 foreach $d ( @Import_dir ) {
1830 if ($HiIncludeString) {
1831 $HiIncludeString = "$HiIncludeString${SplitMarker}${d}%.${HiSuffix}";
1833 $HiIncludeString = "$d%.${HiSuffix}";
1838 foreach $d ( @SysImport_dir ) {
1839 if ($HiIncludeString) {
1840 $HiIncludeString = "$HiIncludeString${SplitMarker}${d}%.${HiSuffix_prelude}";
1842 $HiIncludeString = "${d}%.${HiSuffix_prelude}";
1851 Invoke the 'linker' - either the standard linker or the one used to build
1857 local($libdirs) = '';
1859 # append last minute flags linker and consistency flags
1864 # glue them together:
1865 push(@UserLibrary_dir, @SysLibrary_dir);
1867 $libdirs = '-L' . join(' -L',@UserLibrary_dir) if $#UserLibrary_dir >= 0;
1869 # for a linker, use an explicitly given one, or the going C compiler ...
1870 local($lnkr) = ( $Lnkr ) ? $Lnkr : $CcRegd;
1872 if ( ($Specific_output_file eq '') &&
1873 ( ($TargetPlatform eq 'i386-unknown-cygwin32') ||
1874 ($TargetPlatform eq 'i386-unknown-mingw32')) ) {
1875 $Specific_output_file = 'main.exe';
1876 print STDERR "Output file not specified, defaulting to \"main.exe\"\n";
1879 local($output) = ($Specific_output_file ne '') ? "-o $Specific_output_file" : '';
1880 @Files_to_tidy = ($Specific_output_file ne '') ? $Specific_output_file : 'a.out';
1882 &prepareWin32DllLink(1);
1884 local($to_do) = "$lnkr $Verbose @Ld_flags $output @Link_file $libdirs @UserLibrary @SysLibrary";
1885 &run_something($to_do, 'Linker');
1887 # finally, check the consistency info in the binary
1888 local($executable) = $Files_to_tidy[0];
1889 @Files_to_tidy = (); # reset; we don't want to nuke it if it's inconsistent
1892 # dynamically load consistency-chking code; then do it.
1893 require('ghc-consist.prl')
1894 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-consist.prl!\n");
1896 &chk_consistency_info ( $executable );
1899 # if PVM parallel stuff, we do truly weird things.
1900 # Essentially: (1) move the executable over to where PVM expects
1901 # to find it. (2) create a script in place of the executable
1902 # which will cause the program to be run, via SysMan.
1903 if ( $PARing eq 'p' ) {
1904 local($pvm_executable) = $executable;
1905 local($pvm_executable_base);
1907 if ( $pvm_executable !~ /^\// ) { # a relative path name: make absolute
1908 local($pwd) = `pwd`;
1910 $pwd =~ s/^\/tmp_mnt//;
1911 $pvm_executable = "$pwd/$pvm_executable";
1914 $pvm_executable =~ s|/|=|g; # make /s into =s
1915 $pvm_executable_base = $pvm_executable;
1917 $pvm_executable = $ENV{'PVM_ROOT'} . '/bin/' . $ENV{'PVM_ARCH'}
1918 . "/$pvm_executable";
1920 &run_something("$Rm -f $pvm_executable; $Cp -p $executable $pvm_executable && $Rm -f $executable", 'Moving binary to PVM land');
1922 # OK, now create the magic script for "$executable"
1923 open(EXEC, "> $executable") || &tidy_up_and_die(1,"$Pgm: couldn't open $executable to write!\n");
1924 print EXEC <<EOSCRIPT1;
1925 eval 'exec perl -S \$0 \${1+"\$@"}'
1926 if \$running_under_some_shell;
1927 # =!=!=!=!=!=!=!=!=!=!=!
1928 # This script is automatically generated: DO NOT EDIT!!!
1929 # Generated by Glasgow Haskell, version ${ProjectVersion}
1930 # ngoqvam choHbogh vaj' vIHoHnISbej !!!!
1932 \$pvm_executable = '$pvm_executable';
1933 \$pvm_executable_base = '$pvm_executable_base';
1934 \$SysMan = '$SysMan';
1937 print EXEC <<\EOSCRIPT2;
1938 # first, some magical shortcuts to run "commands" on the binary
1940 if ($#ARGV == 1 && $ARGV[0] eq '+RTS' && $ARGV[1] =~ /^--((size|file|strip|rm|nm).*)/ ) {
1942 system("$cmd $pvm_executable");
1946 # OK, really run it; process the args first
1947 $ENV{'PE'} = $pvm_executable_base;
1949 $nprocessors = 2; # the default
1953 # ToDo: handle --RTS
1954 args: while ($a = shift(@ARGV)) {
1955 if ( $a eq '+RTS' ) {
1957 } elsif ( $a eq '-RTS' ) {
1960 if ( $a eq '-d' && $in_RTS_args ) {
1962 } elsif ( $a =~ /^-qN(\d+)/ && $in_RTS_args ) {
1964 } elsif ( $a =~ /^-qp(\d+)/ && $in_RTS_args ) {
1967 push(@nonPVM_args, $a);
1971 local($return_val) = 0;
1972 system("$SysMan $debug $pvm_executable $nprocessors @nonPVM_args");
1974 system("mv $ENV{'HOME'}/$pvm_executable_base.???.gr .") if -f "$ENV{'HOME'}/$pvm_executable_base.001.gr";
1977 close(EXEC) || die "Failed closing $executable\n";
1978 chmod 0755, $executable;
1986 # append last minute flags linker and consistency flags
1991 # glue them together:
1992 push(@UserLibrary_dir, @SysLibrary_dir);
1994 $libdirs = '-L' . join(' -L',@UserLibrary_dir) if $#UserLibrary_dir >= 0;
1996 &prepareWin32DllLink(0);
1998 local ($bld_dll) = "dllwrap";
2000 local ($output) = ($Specific_output_file ne '') ? "$Specific_output_file" : 'HSdll.dll';
2001 local ($output_dir);
2002 local ($output_file);
2003 local ($output_lib, $output_def);
2005 ($output_dir = $output) =~ s|(.*/)[^/]+$|$1|;
2006 $output_dir = "" if ($output_dir eq $output);
2007 ($output_file = $output) =~ s|.*/([^/]+)$|$1|;
2009 ($output_lib = $output_file) =~ s|(.+)\.[^\.]*$|${output_dir}lib$1_imp.a|;
2010 ($output_def = $output_file) =~ s|(.+)\.[^\.]*$|${output_dir}$1.def|;
2012 push (@Dll_flags, "-mno-cygwin --target=i386-mingw32") if ($TargetPlatform =~ /^.*mingw32$/);
2013 push (@Dll_flags, "--output-lib $output_lib");
2014 # If the "--def " option hasn't been supplied, assume everything
2015 # is going to be exported via the DLL.."
2016 if (!grep(/--def/, @Dll_flags)) {
2017 push (@Dll_flags, "--export-all --output-def $output_def");
2020 local($to_do) = "$bld_dll @Dll_flags -o $output @Link_file $libdirs @UserLibrary @SysLibrary";
2021 # Make sure the user sees this piece of magic.
2022 print STDERR "$to_do\n" if (!$Verbose);
2023 &run_something($to_do, 'DLL creator');
2026 sub prepareWin32DllLink
2028 local($linking_main) = @_;
2031 # Win32 DLLs - link with import libraries, not the real archives.
2033 if ( $TargetPlatform =~ /-mingw32$/ ) {
2036 # If the libraries have the form libHSfoo.a, we
2037 # transform that into libHSfoo_imp.a - the import
2038 # library of the DLL.
2040 foreach $a ( @SysLibrary ) {
2041 $a = "${a}_imp" if ($a =~ /^-lHS/);
2043 foreach $a ( @UserLibrary ) {
2044 $a = "${a}_imp" if ($a =~ /^-lHS/);
2046 push(@Link_file, ( $INSTALLING ) ? "$InstLibDirGhc/Main.dll_o"
2047 : "$TopPwd/$CURRENT_DIR/$GHC_RUNTIME_DIR/Main.dll_o") if $linking_main;
2048 push(@Link_file, ( $INSTALLING ) ? "$InstLibDirGhc/PrelMain.dll_o"
2049 : "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std/PrelMain.dll_o") if $linking_main;
2051 push(@Ld_flags, "-mno-cygwin");
2057 %************************************************************************
2059 \section[Driver-misc-utils]{Miscellaneous utilities}
2061 %************************************************************************
2063 %************************************************************************
2065 \subsection[Driver-odir-ify]{@odir_ify@: Mangle filename if \tr{-odir} set}
2067 %************************************************************************
2071 local($ofile,$def_suffix) = @_;
2073 return(($Osuffix eq '') ? "$ofile.$def_suffix" : "$ofile.$Osuffix" );
2077 local($orig_file, $def_suffix) = @_;
2078 if ($Specific_output_dir eq '') { # do nothing
2079 &osuf_ify($orig_file, $def_suffix);
2081 local ($orig_file_only);
2082 ($orig_file_only = $orig_file) =~ s|.*/||;
2083 &osuf_ify("$Specific_output_dir/$orig_file_only",$def_suffix);
2090 local($is_hc_file, $hsc_out, $cc_as_o) = @_;
2092 local($includes) = '-I' . join(' -I', @Include_dir);
2095 local($c_flags) = "@CcBoth_flags";
2096 local($ddebug_flag) = ( $DEBUGging ) ? '-DDEBUG' : '';
2098 $c_flags .= " -mno-cygwin" if ( $TargetPlatform =~ /-mingw32$/ );
2100 # "input" files to use that are not in some weird directory;
2101 # to help C compilers grok .hc files [ToDo: de-hackify]
2102 local($cc_help) = "ghc$$.c";
2103 local($cc_help_s) = "ghc$$.s";
2106 $s_output = (($is_hc_file && $DoAsmMangling) || $TargetPlatform =~ /^(powerpc|rs6000|hppa)/) ? $cc_as_o : $cc_as;
2107 $c_flags .= " @CcRegd_flags";
2108 $c_flags .= ($is_hc_file) ? " @CcRegd_flags_hc" : " @CcRegd_flags_c";
2110 # C compiler won't like the .hc extension. So we create
2111 # a tmp .c file which #include's the needful.
2112 open(TMP, "> $cc_help") || &tidy_up_and_die(1,"$Pgm: failed to open `$cc_help' (to write)\n");
2113 if ( $is_hc_file ) {
2117 # user may have asked for #includes to be injected...
2118 print TMP @CcInjects if $#CcInjects >= 0;
2120 # Straight .c files may want to know that they're being used
2121 # with a particular version of GHC, so we define __GLASGOW_HASKELL__ for their benefit.
2122 print TMP "#define __GLASGOW_HASKELL__ ${ProjectVersionInt}\n";
2124 # heave in the consistency info
2125 print TMP "static char ghc_cc_ID[] = \"\@(#)cc $ifile\t$Cc_major_version.$Cc_minor_version,$Cc_consist_options\";\n";
2127 print TMP "#include \"$hsc_out\"\n";
2128 close(TMP) || &tidy_up_and_die(1,"Failed writing to $cc_help\n");
2130 # Don't redirect stderr into intermediate file if slamming output onto stdout (e.g., with -E)
2131 local($fuse_stderr) = "2>&1" if ! $Only_preprocess_hc;
2132 local($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 )";
2134 if ( $Only_preprocess_hc ) { # HACK ALERT!
2135 $to_do =~ s/ -S\b//g;
2137 push(@Files_to_tidy, $cc_help, $cc_help_s, $s_output );
2138 $PostprocessCcOutput = 1 if ! $Only_preprocess_hc; # hack, dear hack...
2139 &run_something($to_do, 'C compiler');
2140 $PostprocessCcOutput = 0;
2141 if ( $Only_preprocess_hc ) {
2142 system("$Cat $Tmp_prefix.ccout");
2144 unlink($cc_help, $cc_help_s);
2150 local($is_hc_file, $cc_as_o, $cc_as, $ifile_root) = @_;
2152 print STDERR `cat $cc_as_o` if $Dump_raw_asm; # to stderr, before mangling
2154 if ($is_hc_file && $DoAsmMangling) {
2155 # dynamically load assembler-fiddling code, which we are about to use:
2156 require('ghc-asm.prl')
2157 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm.prl!\n");
2158 # post-process the assembler [.hc files only]
2159 &mangle_asm($cc_as_o, $cc_as);
2161 } elsif ($TargetPlatform =~ /^hppa/) {
2162 # minor mangling of non-threaded files for hp-pa only
2163 require('ghc-asm.prl')
2164 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm-hppa.prl!\n");
2165 &mini_mangle_asm_hppa($cc_as_o, $cc_as);
2167 } elsif ($TargetPlatform =~ /^powerpc|^rs6000/) {
2168 # minor mangling of non-threaded files for powerpcs and rs6000s
2169 require('ghc-asm.prl')
2170 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm-powerpc.prl!\n");
2171 &mini_mangle_asm_powerpc($cc_as_o, $cc_as);
2174 # save a copy of the .s file, even if we are carrying on...
2175 #if ($do_as && $Keep_s_file_too) {
2176 # &saveIntermediate($ifile_root , "s" , $cc_as);
2183 local($as_out, $ifile_root) = @_;
2185 local($asmblr) = ( $As ) ? $As : $CcRegd;
2187 # need to add the -I flags in case the file is going through cpp (.S files)
2188 local($includes) = '-I' . join(' -I', @Include_dir);
2190 if ( ! $SplitObjFiles || $ifile_root =~ /_stub\.s$/ ) {
2191 local($to_do) = "$asmblr -o $as_out -c @As_flags $includes $cc_as";
2192 push(@Files_to_tidy, $as_out );
2193 &run_something($to_do, 'Unix assembler');
2195 } else { # more complicated split-ification...
2197 # must assemble files $Tmp_prefix__[1 .. $NoOfSplitFiles].s
2199 # If -odir is used, great, just pin it in front of the
2200 # generated split file names. If it hasn't been set, we
2201 # snatch it from the ifile_root.
2205 if ( $Specific_output_dir eq '' ) {
2206 $Specific_output_dir = ${ifile_root};
2209 for ($f = 1; $f <= $NoOfSplitFiles; $f++ ) {
2210 local($split_out) = &odir_ify("${ifile_root}__${f}",'o');
2211 local($to_do) = "$asmblr -o $split_out -c @As_flags ${Tmp_prefix}__${f}.s";
2212 push(@Files_to_tidy, $split_out );
2214 &run_something($to_do, 'Unix assembler');
2220 %************************************************************************
2222 \subsection[Driver-run-something]{@run_something@: Run a phase}
2224 %************************************************************************
2228 local($str_to_do, $tidy_name) = @_;
2230 print STDERR "\n$tidy_name:\n\t" if $Verbose;
2231 print STDERR "$str_to_do\n" if $Verbose;
2233 if ($Using_dump_file) {
2234 open(DUMP, ">> $Specific_dump_file")
2235 || &tidy_up_and_die(1,"$Pgm: failed to open `$Specific_dump_file'\n");
2236 print DUMP "\nCompilation Dump for: $str_to_do\n\n";
2238 || &tidy_up_and_die(1,"$Pgm: failed closing `$Specific_dump_file'\n");
2241 local($return_val) = 0;
2243 if ( length($str_to_do) > 4000) {
2244 # 4000 - on the random side, just like the *real* ARG_MAX
2247 # With some shells, command lines of this length may
2248 # very well cause trouble. To safeguard against this, we squirrel the
2249 # command into a file and exec that.
2250 local ($sh) = $ENV{'REAL_SHELL'};
2251 print STDERR "Backup plan A: saving cmd line in ${Tmp_prefix}.sh and executing that with $sh\n" if $Verbose;
2252 open (TEMP, "> ${Tmp_prefix}.sh") ||
2253 &tidy_up_and_die(1,"$Pgm: failed to open `$Tmp_prefix.sh'\n");
2254 print TEMP "$Time $str_to_do\n";
2256 &tidy_up_and_die(1,"$Pgm: failed closing `$Tmp_prefix.sh'\n");
2257 system("$sh $Tmp_prefix.sh");
2260 unlink "${Tmp_prefix}.sh";
2262 system("$Time $str_to_do");
2266 if ( $PostprocessCcOutput ) { # hack, continued
2267 open(CCOUT, "< $Tmp_prefix.ccout")
2268 || &tidy_up_and_die(1,"$Pgm: failed to open `$Tmp_prefix.ccout'\n");
2270 next if /call-clobbered/;
2271 next if /control reaches end/;
2272 next if /from .*Stg\.h:/;
2273 next if /from ghc\d+.c:\d+:/;
2274 next if /: At top level:$/;
2275 next if /: In function \`.*\':$/;
2276 next if /\`ghc_cc_ID\' defined but not used/;
2279 close(CCOUT) || &tidy_up_and_die(1,"$Pgm: failed closing `$Tmp_prefix.ccout'\n");
2282 local($signal_num) = $? & 127;
2283 local($dumped_core) = $? & 128;
2285 if ($signal_num != 0) {
2286 print STDERR "$tidy_name received signal $signal_num";
2287 if ($dumped_core != 0) {
2288 print STDERR " (core dumped)";
2293 if ($return_val != 0) {
2294 if ($Using_dump_file) {
2295 print STDERR "Compilation Errors dumped in $Specific_dump_file\n";
2297 &tidy_up_and_die($return_val, '');
2300 $Using_dump_file = 0;
2304 %************************************************************************
2306 \subsection[Driver-ghc-timing]{Emit nofibbish GHC timings}
2308 %************************************************************************
2310 NB: nearly the same as in @runstdtest@ script.
2313 sub process_ghc_timings {
2314 local($StatsFile) = "$Tmp_prefix.stat";
2315 local($SysSpecificTiming) = 'ghc';
2317 open(STATS, $StatsFile) || die "Failed when opening $StatsFile\n";
2318 local($max_live) = 0;
2319 local($tot_live) = 0; # for calculating residency stuff
2320 local($tot_samples) = 0;
2323 if (! /Gen:\s+0/ && ! /Minor/ && /^\s*\d+\s+\d+\s+(\d+)\s+\d+\.\d+/ ) {
2324 $max_live = $1 if $max_live < $1;
2328 $BytesAlloc = $1 if /^\s*([0-9,]+) bytes allocated in the heap/;
2330 if ( /^\s*([0-9,]+) bytes maximum residency .* (\d+) sample/ ) {
2331 $MaxResidency = $1; $ResidencySamples = $2;
2334 $GCs = $1 if /^\s*([0-9,]+) (collections? in generation 0|garbage collections? performed)/;
2336 if ( /^\s+([0-9]+)\s+Mb total memory/ ) {
2340 # The presence of -? in the following pattern is only there to
2341 # accommodate 0.29 && <= 2.05 RTS'
2342 if ( /^\s*INIT\s+time\s*(\d+\.\d\d)s\s*\(\s*-?(\d+\.\d\d)s elapsed\)/ ) {
2343 $InitTime = $1; $InitElapsed = $2;
2344 } elsif ( /^\s*MUT\s+time\s*(\d+\.\d\d)s\s*\(\s*(\d+\.\d\d)s elapsed\)/ ) {
2345 $MutTime = $1; $MutElapsed = $2;
2346 } elsif ( /^\s*GC\s+time\s*(\d+\.\d\d)s\s*\(\s*(\d+\.\d\d)s elapsed\)/ ) {
2347 $GcTime = $1; $GcElapsed = $2;
2350 close(STATS) || die "Failed when closing $StatsFile\n";
2351 if ( $tot_samples > 0 ) {
2352 $ResidencySamples = $tot_samples;
2353 $MaxResidency = $max_live;
2354 $AvgResidency = int ($tot_live / $tot_samples) ;
2357 # warn about what we didn't find
2358 print STDERR "Warning: BytesAlloc not found in stats file\n" unless defined($BytesAlloc);
2359 print STDERR "Warning: GCs not found in stats file\n" unless defined($GCs);
2360 print STDERR "Warning: InitTime not found in stats file\n" unless defined($InitTime);
2361 print STDERR "Warning: InitElapsed not found in stats file\n" unless defined($InitElapsed);
2362 print STDERR "Warning: MutTime not found in stats file\n" unless defined($MutTime);
2363 print STDERR "Warning: MutElapsed not found in stats file\n" unless defined($MutElapsed);
2364 print STDERR "Warning: GcTime inot found in stats file\n" unless defined($GcTime);
2365 print STDERR "Warning: GcElapsed not found in stats file\n" unless defined($GcElapsed);
2367 # things we didn't necessarily expect to find
2368 $MaxResidency = 0 unless defined($MaxResidency);
2369 $AvgResidency = 0 unless defined($AvgResidency);
2370 $ResidencySamples = 0 unless defined($ResidencySamples);
2373 $BytesAlloc =~ s/,//g;
2374 $MaxResidency =~ s/,//g;
2376 $InitTime =~ s/,//g;
2377 $InitElapsed =~ s/,//g;
2379 $MutElapsed =~ s/,//g;
2381 $GcElapsed =~ s/,//g;
2383 # print out what we found
2384 print STDERR "<<$SysSpecificTiming: ",
2385 "$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)",
2386 " :$SysSpecificTiming>>\n";
2393 %************************************************************************
2395 \subsection[Driver-dying]{@tidy_up@ and @tidy_up_and_die@: Dying gracefully}
2397 %************************************************************************
2401 local($to_do) = "\n$Rm $Tmp_prefix*";
2402 if ( $Tmp_prefix !~ /^\s*$/ ) {
2403 print STDERR "$to_do\n" if $Verbose;
2408 sub tidy_up_and_die {
2409 local($return_val, $msg) = @_;
2411 # delete any files to tidy
2412 print STDERR "deleting... @Files_to_tidy\n" if $Verbose && $#Files_to_tidy >= 0;
2413 unlink @Files_to_tidy if $#Files_to_tidy >= 0;
2417 exit (($return_val == 0) ? 0 : 1);
2421 %************************************************************************
2423 \subsection[Driver-arg-with-arg]{@grab_arg_arg@: Do an argument with an argument}
2425 %************************************************************************
2427 Some command-line arguments take an argument, e.g.,
2428 \tr{-Rmax-heapsize} expects a number to follow. This can either be
2429 given a part of the same argument (\tr{-Rmax-heapsize8M}) or as the
2430 next argument (\tr{-Rmax-heapsize 8M}). We allow both cases.
2432 Note: no error-checking; \tr{-Rmax-heapsize -Rgc-stats} will silently
2433 gobble the second argument (and probably set the heapsize to something
2437 local(*Args, $option, $rest_of_arg) = @_;
2439 if ($rest_of_arg ne '') {
2440 return($rest_of_arg);
2441 } elsif ($#Args >= 0) {
2442 local($temp) = $Args[0]; shift(@Args);
2445 print STDERR "$Pgm: no argument following $option option\n";
2456 #Not in HsC_antiflag ## NO!: and not already in HsC_flags
2458 foreach $f ( @HsC_antiflags ) {
2459 return(0) if $flag eq $f;
2461 # foreach $f ( @HsC_flags ) {
2462 # return(0) if $flag eq $f;
2467 sub squashHscFlag { # pretty terrible
2471 foreach $f ( @HsC_flags ) {
2472 if ($flag eq $f) { $f = ''; }
2480 foreach $f ( @flags ) {
2481 push( @HsC_flags, $f ) if &isntAntiFlag($f);
2486 To add another system library, you'll need to augment the
2487 Supported_syslibs variable with name and info on your addition
2488 to the syslib family. The info bit consist of the following:
2490 - interface file directory
2491 see the misc or posix entry for how to distinguish
2492 between using installed and build tree directories.
2494 - directory location of archives
2496 - location of (way-independent) C support libs.
2497 not all libraries need this - if you don't, just
2498 give the empty string.
2499 - list of syslibs you depend on.
2501 - additional ghc command line flags that should be used.
2502 - additional C compiler command line flags that should be used.
2508 # Hash to keep track of
2509 %Syslibs_added = ();
2512 local($syslib) = @_;
2514 # Lifting this out of this sub brings it out of scope - why??
2515 %Supported_syslibs =
2517 [ # where to slurp interface files from
2519 ? "$InstLibDirGhc/imports/lang"
2520 : "$TopPwd/hslibs/lang:$TopPwd/hslibs/lang/monads"
2522 , # where to find the archive to use when linking
2525 : "$TopPwd/hslibs/lang"
2527 , # where to find the cbits archive to use when linking
2530 : "$TopPwd/hslibs/lang/cbits"
2532 , '' # Syslib dependencies
2533 , '' # extra ghc opts
2534 , '' # extra cc opts
2535 , '' # extra ld opts
2539 [ # where to slurp interface files from
2541 ? "$InstLibDirGhc/imports/concurrent"
2542 : "$TopPwd/hslibs/concurrent"
2544 , # where to find the archive to use when linking
2547 : "$TopPwd/hslibs/concurrent"
2549 , '' # where to find the cbits archive to use when linking
2550 , 'lang' # Syslib dependencies
2551 , '' # extra ghc opts
2552 , '' # extra cc opts
2553 , '' # extra ld opts
2557 [ # where to slurp interface files from
2559 ? "$InstLibDirGhc/imports/data"
2560 : "$TopPwd/hslibs/data:$TopPwd/hslibs/data/edison:$TopPwd/hslibs/data/edison/Assoc:$TopPwd/hslibs/data/edison/Coll:$TopPwd/hslibs/data/edison/Seq"
2562 , # where to find the archive to use when linking
2565 : "$TopPwd/hslibs/data"
2567 , '' # where to find the cbits archive to use when linking
2568 , 'lang' # Syslib dependencies
2569 , '' # extra ghc opts
2570 , '' # extra cc opts
2571 , '' # extra ld opts
2575 [ # where to slurp interface files from
2577 ? "$InstLibDirGhc/imports/net"
2578 : "$TopPwd/hslibs/net"
2580 , # where to find the archive to use when linking
2583 : "$TopPwd/hslibs/net"
2585 , # where to find the cbits archive to use when linking
2588 : "$TopPwd/hslibs/net/cbits"
2590 , 'lang text' # Syslib dependencies
2591 , '' # extra ghc opts
2592 , '' # extra cc opts
2593 , ( $TargetPlatform =~ /-solaris2$/ ? '-lnsl -lsocket' : '')
2597 [ # where to slurp interface files from
2599 ? "$InstLibDirGhc/imports/posix"
2600 : "$TopPwd/hslibs/posix"
2602 , # where to find the archive to use when linking
2605 : "$TopPwd/hslibs/posix"
2607 , # where to find the cbits archive to use when linking
2610 : "$TopPwd/hslibs/posix/cbits"
2612 , 'lang' # Syslib dependencies
2613 , '' # extra ghc opts
2614 , '' # extra cc opts
2615 , '' # extra ld opts
2619 [ # where to slurp interface files from
2621 ? "$InstLibDirGhc/imports/text"
2622 : "$TopPwd/hslibs/text:$TopPwd/hslibs/text/html:$TopPwd/hslibs/text/haxml/lib"
2624 , # where to find the archive to use when linking
2627 : "$TopPwd/hslibs/text"
2629 , # where to find the cbits archive to use when linking
2632 : "$TopPwd/hslibs/text/cbits"
2634 , 'lang data' # Syslib dependencies
2635 , '' # extra ghc opts
2636 , '' # extra cc opts
2637 , '' # extra ld opts
2641 [ # where to slurp interface files from
2643 ? "$InstLibDirGhc/imports/util"
2644 : "$TopPwd/hslibs/util:$TopPwd/hslibs/util/check"
2646 , # where to find the archive to use when linking
2649 : "$TopPwd/hslibs/util"
2651 , # where to find the cbits archive to use when linking
2654 : "$TopPwd/hslibs/util/cbits"
2656 , 'lang concurrent posix' # Syslib dependencies
2657 , '' # extra ghc opts
2658 , '' # extra cc opts
2659 , "$LibsReadline" # extra ld opts
2663 [ # where to slurp interface files from
2665 ? "$InstLibDirGhc/imports/win32"
2666 : "$TopPwd/hslibs/win32/src"
2668 , # where to find the archive to use when linking
2671 : "$TopPwd/hslibs/win32/src"
2674 , 'lang' # Syslib dependencies
2675 , '' # extra ghc opts
2676 , '' # extra cc opts
2677 , '-luser32 -lgdi32' # extra ld opts
2681 [ # where to slurp interface files from
2683 ? "$InstLibDirGhc/imports/com"
2684 : "$TopPwd/hdirect/lib"
2686 , # where to find the archive to use when linking
2689 : "$TopPwd/hdirect/lib"
2692 , 'lang' # Syslib dependencies
2693 , '' # extra ghc opts
2694 , '' # extra cc opts
2695 , '-luser32 -lole32 -loleaut32 -ladvapi32'
2700 # check if it's supported..
2702 if ( !exists $Supported_syslibs{$syslib} ) {
2703 print STDERR "$Pgm: no such system library (-syslib): $syslib\n";
2708 # This check is here to avoid syslib loops from
2709 # spoiling the party. A side-effect of it is that
2710 # it disallows multiple mentions of a syslib on a command-line,
2711 # explicit *and* implicit ones (i.e., "-syslib lang -syslib misc"
2712 # is not equal to "-syslib lang -syslib misc -syslib lang",
2713 # which it needs to be)
2715 # Since our current collection of syslibs don't have any
2716 # loops, this test is disabled.
2718 # ToDo: loop avoidance scheme when the need arises
2720 #return if ( exists $Syslibs_added{$syslib} );
2722 $Syslibs_added{$syslib} = 1;
2724 local ($hi_dirs, $lib_dir, $lib_cbits_dir,
2725 $syslib_deps, $syslib_ghc_opts,
2726 $syslib_cc_opts, $syslib_ld_opts) = @{ $Supported_syslibs{$syslib} };
2728 foreach(split(':',$hi_dirs)) {
2729 unshift(@SysImport_dir, $_);
2731 push(@SysLibrary_dir, $lib_dir);
2732 push(@SysLibrary_dir, $lib_cbits_dir) if ( $lib_cbits_dir ne '');
2734 push(@SysLibrary, "-lHS$syslib");
2735 push(@SysLibrary, "-lHS${syslib}_cbits") if ( $lib_cbits_dir ne '');
2736 push(@SysLibrary, $syslib_ld_opts) if ($syslib_ld_opts ne '');
2738 # Add on any extra dependencies.
2739 foreach $lib (split(' ',$syslib_deps)) {
2745 Source files may have {-# OPTIONS ... #-} pragmas at the top, containing
2746 command line options we want to append to collection of commands specified
2747 directly. @check_for_source_options@ looks at the top of a de-lit'ified Haskell
2748 file for any such pragmas:
2751 sub check_for_source_options {
2752 local($file,$ifile) = @_;
2753 local($comment_start,$comment_end);
2755 if ($ifile =~ /\.hc$/ ||
2758 $ifile =~ /_s$/ ) { # `Real' C intermediate
2759 $comment_start = "/\\*";
2760 $comment_end = "\\*/";
2761 } else { # Assume it is a file containing Haskell source
2762 $comment_start = "{-#";
2763 $comment_end = "#-}";
2766 open(FILE,$file) || return(1); # No big loss
2769 if ( /^${comment_start} OPTIONS (.*)${comment_end}/ ) {
2770 # add the options found at the back of the command line.
2771 local(@entries) = split(/\s+/,$1);
2772 print STDERR "Found OPTIONS " . join(' ',@entries) . " in $file\n" if $Verbose;
2773 push(@File_options, @entries);
2775 elsif ( /^$/ ) { # ignore empty lines
2778 elsif ( /^#line.+$/ ) { # ignore comment lines (unused..ToDo: rm )
2781 elsif ( /^{-# LINE.+$/ ) { # ignore line pragmas
2784 else { # stop looking, something non-empty / not
2785 # ${comment_start} OPTIONS .. ${comment_end} encountered.
2786 close(FILE);return(0);
2795 We split the initial argv up into three arrays:
2801 the reason for doing so is to be able to deal
2802 with {-# OPTIONS #-} pragma in source files properly.
2808 arg: while($_ = $args[0]) {
2810 # sigh, we have to deal with these -option arg specially here.
2811 /^-(tmpdir|odir|ohi|o|isuf|osuf|hisuf|odump|syslib|package|package-name)$/ &&
2812 do { push(@Cmd_opts, $_); push(@Cmd_opts,$args[0]); shift(@args); next arg; };
2813 /^--?./ && do { push(@Cmd_opts, $_); next arg; };
2815 if (/\.([^_]+_)?[oa]$/) {
2816 push(@Link_file, $_);
2818 push(@Input_file, $_);
2821 # input files must exist:
2823 print STDERR "$Pgm: input file doesn't exist: $_\n";
2831 When saving an intermediate file (.hc or .s) away, we
2832 have to prefix any OPTIONS found in the original source file.
2835 sub saveIntermediate {
2836 local ($final,$suffix,$tmp)= @_ ;
2839 local ($new_suffix);
2841 # $final -- root of where to park ${final}.${suffix}
2842 # $tmp -- temporary file where hsc put the intermediate file.
2844 # HWL: use -odir for .hc and .s files, too
2845 if ( $Specific_output_dir ne '' ) {
2846 $final = "${Specific_output_dir}/${final}";
2848 # HWL: use the same suffix as for $Osuffix in generating intermediate file,
2849 # replacing o with hc or s, respectively.
2850 if ( $Osuffix ne '' ) {
2851 ($new_suffix = $Osuffix) =~ s/o$/hc/ if $suffix eq "hc";
2852 ($new_suffix = $Osuffix) =~ s/o$/s/ if $suffix eq "s";
2853 $suffix = $new_suffix;
2854 print stderr "HWL says: suffix for intermediate file is $suffix; ${final}.${suffix} overall\n" if $Verbose;
2857 # Delete the old file
2858 $to_do = "$Rm ${final}.${suffix}"; &run_something($to_do, "Removing old .${suffix} file");
2860 if ( $#File_options >= 0 ) { # OPTIONS found in Haskell source unit
2861 # Add OPTION comment to the top of the generated .${suffix} file
2862 open(TEMP, "> ${final}.${suffix}") || &tidy_up_and_die(1,"Can't open ${final}.${suffix}\n");
2863 print TEMP "/* OPTIONS " . join(' ',@File_options) . " */\n";
2865 print STDERR "Prepending OPTIONS: " . join(' ',@File_options) . " to ${final}.${suffix}\n" if $Verbose;
2867 $to_do = "$Cat $tmp >> ${final}.${suffix}";
2868 &run_something($to_do, "Saving copy of .${suffix} file");
2875 Command-line processor
2881 # can't use getopt(s); what we want is too complicated
2883 arg: while($_ = $Args[0]) {
2886 #---------- help -------------------------------------------------------
2887 if (/^-\?$/ || /^--?help$/) { print $LongUsage; exit $Status; }
2889 #-----------version ----------------------------------------------------
2890 /^--version$/ && do { print STDERR "${ProjectName}, version ${ProjectVersion}\n"; exit $Status; };
2892 #---------- verbosity and such -----------------------------------------
2893 /^-v$/ && do { $Verbose = '-v'; $Time = 'time'; next arg; };
2895 #---------- what phases are to be run ----------------------------------
2896 /^-(no-)?recomp/ && do { $Do_recomp_chkr = ($1 eq '') ? 1 : 0; next arg; };
2898 /^-cpp$/ && do { $Cpp_flag_set = 1; next arg; };
2899 # change the global default:
2900 # we won't run cat; we'll run the real thing
2902 /^-C$/ && do { $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0; $HscLang = 'C';
2904 # stop after generating C
2906 /^-J$/ && do { $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0; $HscLang = 'java';
2908 # stop after generating Java
2910 /^-noC$/ && do { $HscLang = 'none'; $ProduceHi = '-nohifile=';
2911 $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0;
2913 # leave out actual C generation (debugging) [also turns off interface gen]
2916 /^-hi$/ && do { $HiOnStdout = 1; $ProduceHi = '-hifile='; next arg; };
2917 # _do_ generate an interface; usually used as: -noC -hi
2918 /^-hi-with-(.*)$/ && do { $HiOnStdout = 1; $HiWith .= " $1" ; $ProduceHi = '-hifile='; next arg; };
2919 # limit ourselves to outputting a particular section.
2921 /^-nohi$/ && do { $ProduceHi = '-nohifile='; next arg; };
2922 # don't generate an interface (even if generating C)
2924 /^-hi-diffs$/ && do { $HiDiff_flag = 'normal'; next arg; };
2925 /^-hi-diffs-with-usages$/ && do { $HiDiff_flag = 'usages'; next arg; };
2926 /^-no-hi-diffs$/ && do { $HiDiff_flag = ''; next arg; };
2927 /^-keep-hi-diffs$/ && do { $Keep_HiDiffs = 1; next arg; };
2929 # show/disable diffs if the interface file changes
2931 /^-E$/ && do { push(@CcBoth_flags, '-E');
2932 $Only_preprocess_C = 1;
2933 $Do_as = 0; $Do_lnkr = 0; next arg; };
2934 # stop after preprocessing C
2935 /^-M$/ && do { $Only_generate_deps = 1; $Do_as = 0; $Do_lnkr = 0; next arg; };
2936 # only generate dependency information.
2937 /^--mk-dll$/ && do { $Only_generate_dll = 1; $Do_as = 0; $Do_lnkr = 0; next arg; };
2938 # Build a Win32 DLL (where supported).
2939 /^-S$/ && do { $Do_as = 0; $Do_lnkr = 0; next arg; };
2940 # stop after generating assembler
2942 /^-c$/ && do { $Do_lnkr = 0; next arg; };
2943 # stop after generating .o files
2945 /^-link-chk$/ && do { $LinkChk = 1; next arg; };
2946 # don't do consistency-checking after a link
2947 /^-no-link-chk$/ && do { $LinkChk = 0; next arg; };
2949 /^-tmpdir$/ && do { $Tmp_prefix = &grab_arg_arg(*Args,'-tmpdir', '');
2950 $Tmp_prefix = "$Tmp_prefix/ghc$$";
2951 $ENV{'TMPDIR'} = $Tmp_prefix; # for those who use it...
2953 # use an alternate directory for temp files
2955 #---------- redirect output --------------------------------------------
2957 # -o <file>; applies to the last phase, whatever it is
2958 # "-o -" sends it to stdout
2959 # if <file> has a directory component, that dir must already exist
2961 /^-odir$/ && do { $Specific_output_dir = &grab_arg_arg(*Args,'-odir', '');
2963 # Hack, of the worst sort: don't do validation of
2964 # odir argument if you're using -M (dependency generation).
2966 if ( ! $Only_generate_deps && ! -d $Specific_output_dir) {
2967 print STDERR "$Pgm: -odir: no such directory: $Specific_output_dir\n";
2972 /^-o$/ && do { $Specific_output_file = &grab_arg_arg(*Args,'-o', '');
2973 if ($Specific_output_file ne '-'
2974 && $Specific_output_file =~ /(.*)\/[^\/]*$/) {
2975 local($dir_part) = $1;
2976 if (! -d $dir_part) {
2977 print STDERR "$Pgm: no such directory: $dir_part\n";
2983 # NB: -isuf not documented yet (because it doesn't work yet)
2984 /^-isuf$/ && do { $Isuffix = &grab_arg_arg(*Args,'-isuf', '');
2985 if ($Isuffix =~ /\./ ) {
2986 print STDERR "$Pgm: -isuf suffix shouldn't contain a .\n";
2991 /^-osuf$/ && do { $Osuffix = &grab_arg_arg(*Args,'-osuf', '');
2992 if ($Osuffix =~ /\./ ) {
2993 print STDERR "$Pgm: -osuf suffix shouldn't contain a .\n";
2998 # -ohi <file>; send the interface to <file>; "-ohi -" to send to stdout
2999 /^-ohi$/ && do { $Specific_hi_file = &grab_arg_arg(*Args,'-ohi', '');
3000 if ($Specific_hi_file ne '-'
3001 && $Specific_hi_file =~ /(.*)\/[^\/]*$/) {
3002 local($dir_part) = $1;
3003 if (! -d $dir_part) {
3004 print STDERR "$Pgm: no such directory: $dir_part\n";
3008 $ProduceHi='-hifile=';
3011 # The suffix to use when looking for interface files
3012 /^-hisuf$/ && do { $HiSuffix = &grab_arg_arg(*Args,'-hisuf', '');
3013 if ($HiSuffix =~ /\./ ) {
3014 print STDERR "$Pgm: -hisuf suffix shouldn't contain a .\n";
3018 /^-odump$/ && do { $Specific_dump_file = &grab_arg_arg(*Args,'-odump', '');
3019 if ($Specific_dump_file =~ /(.*)\/[^\/]*$/) {
3020 local($dir_part) = $1;
3021 if (! -d $dir_part) {
3022 print STDERR "$Pgm: no such directory: $dir_part\n";
3028 #-------------- scc & Profiling Stuff ----------------------------------
3030 /^-prof$/ && do { $PROFing = 'p'; next arg; }; # profiling -- details later!
3032 /^-auto-dicts$/ && do {
3033 $PROFdicts = '-fauto-sccs-on-dicts';
3035 /^-auto-all$/ && do {
3036 $PROFauto = '-fauto-sccs-on-all-toplevs';
3039 $PROFauto = '-fauto-sccs-on-exported-toplevs';
3042 /^-caf-all/ && do { # generate individual CAF SCC annotations
3043 $PROFcaf = '-fauto-sccs-on-individual-cafs';
3046 /^-ignore-scc$/ && do {
3047 # forces ignore of scc annotations even if profiling
3048 $PROFignore_scc = '-W';
3051 /^-unprof-scc-auto/ && do {
3052 # generate auto SCCs on top level bindings when not profiling.
3053 # Used to measure optimisation effects of presence of sccs.
3054 $UNPROFscc_auto = ( /-all/ )
3055 ? '-fauto-sccs-on-all-toplevs'
3056 : '-fauto-sccs-on-exported-toplevs';
3059 #--------- ticky/parallel ----------------------------------------------
3060 # we sort out the details a bit later on
3062 /^-gransim$/ && do { $GRANing = 'g'; &add_syslib('concurrent'); next arg; }; # GranSim
3063 /^-ticky$/ && do { $TICKYing = 't'; next arg; }; # ticky-ticky
3064 /^-parallel$/ && do { $PARing = 'p'; &add_syslib('concurrent'); next arg; }; # parallel Haskell
3065 /^-smp$/ && do { $SMPing = 's'; &add_syslib('concurrent'); next arg; }; # parallel Haskell
3067 #-------------- "user ways" --------------------------------------------
3069 (/^-user-setup-([a-oA-Z])$/ ) &&
3071 /^-user-setup-([a-oA-Z])$/ && do { $BuildTag = "_$1"; };
3073 local($stuff) = $UserSetupOpts{$BuildTag};
3074 local(@opts) = split(/\s+/, $stuff);
3076 # feed relevant ops into the arg-processing loop (if any)
3077 unshift(@Args, @opts) if $#opts >= 0;
3081 #---------- set search paths for libraries and things ------------------
3083 # we do -i just like HBC (-i clears the list; -i<colon-separated-items>
3084 # prepends the items to the list); -I is for including C .h files.
3086 /^-i$/ && do { @Import_dir = (); # import path cleared!
3087 @SysImport_dir = ();
3088 print STDERR "WARNING: import paths cleared by `-i'\n";
3091 /^-i(.*)/ && do { local(@new_items);
3095 if ( $arg =~ /;/ ) {
3097 @new_items = split( /;/, &grab_arg_arg(*Args,'-i', $arg));
3099 @new_items = split( /:/, &grab_arg_arg(*Args,'-i', $arg));
3101 unshift(@Import_dir, @new_items);
3104 /^-I(.*)/ && do { push(@Include_dir, &grab_arg_arg(*Args,'-I', $1)); next arg; };
3105 /^-L(.*)/ && do { push(@UserLibrary_dir, &grab_arg_arg(*Args,'-L', $1)); next arg; };
3106 /^-l(.*)/ && do { push(@UserLibrary,'-l'.&grab_arg_arg(*Args,'-l', $1)); next arg; };
3108 # DEPRECATED: use -package instead
3109 /^-syslib(.*)/ && do { local($syslib) = &grab_arg_arg(*Args,'-syslib',$1);
3110 &add_syslib($syslib);
3113 /^-package-name(.*)/ && do
3114 { local($package) = &grab_arg_arg(*Args,'-package-name',$1);
3115 push(@HsC_flags,"-inpackage=$package");
3119 /^-package(.*)/ && do { local($package) = &grab_arg_arg(*Args,'-package',$1);
3120 &add_syslib($package);
3123 #=======================================================================
3124 # various flags that we can harmlessly send to one program or another
3125 # (we will later "reclaim" some of the compiler ones now sent to gcc)
3126 #=======================================================================
3128 #---------- this driver itself (ghc) -----------------------------------
3129 # these change what executable is run for each phase:
3130 /^-pgmL(.*)$/ && do { $Unlit = $1; next arg; };
3131 /^-pgmP(.*)$/ && do { $HsCpp = $1; next arg; };
3132 /^-pgmC(.*)$/ && do { $HsC = $1; next arg; };
3133 /^-pgmcO?(.*)$/ && do { $CcRegd = $1; next arg; }; # the O? for back compat
3134 /^-pgma(.*)$/ && do { $As = $1; next arg; };
3135 /^-pgml(.*)$/ && do { $Lnkr = $1; next arg; };
3136 /^-pgmdep(.*)$/ && do { $MkDependHS = $1; next arg; };
3138 #---------- the get-anything-through opts (all pgms) -------------------
3139 # these allow arbitrary option-strings to go to any phase:
3140 /^-optL(.*)$/ && do { push(@Unlit_flags, $1); next arg; };
3141 /^-optP(.*)$/ && do { push(@HsCpp_flags, $1); next arg; };
3142 /^-optCrts(.*)$/&& do { push(@HsC_rts_flags, $1); next arg; };
3143 /^-optC(.*)$/ && do { push(@HsC_flags, $1); next arg; };
3144 /^-optcpp(.*)$/ && do { push(@Cpp_define, $1); $Only_preprocess_hc = ($1 eq "-E"); next arg; };
3145 /^-optc(.*)$/ && do { push(@CcBoth_flags, $1); next arg; };
3146 /^-opta(.*)$/ && do { push(@As_flags, $1); next arg; };
3147 /^-optl(.*)$/ && do { push(@Ld_flags, $1); next arg; };
3148 /^-optdll(.*)$/ && do { push(@Dll_flags, $1); next arg; };
3149 /^-optdep(.*)$/ && do { push(@MkDependHS_flags, $1); next arg; };
3151 #---------- Haskell C pre-processor (hscpp) ----------------------------
3152 /^-D(.*)/ && do { push(@HsCpp_flags, "'-D".&grab_arg_arg(*Args,'-D',$1)."'"); next arg; };
3153 /^-U(.*)/ && do { push(@HsCpp_flags, "'-U".&grab_arg_arg(*Args,'-U',$1)."'"); next arg; };
3155 #---------- post-Haskell "assembler"------------------------------------
3156 /^-ddump-raw-asm$/ && do { $Dump_raw_asm = 1; next arg; };
3157 /^-ddump-asm-splitting-info$/ && do { $Dump_asm_splitting_info = 1; next arg; };
3159 #---------- Haskell compiler (hsc) -------------------------------------
3161 /^-keep-hc-files?-too$/ && do { $Keep_hc_file_too = 1; next arg; };
3162 /^-keep-s-files?-too$/ && do { $Keep_s_file_too = 1; next arg; };
3164 /^-fignore-interface-pragmas$/ && do { push(@HsC_flags, $_); next arg; };
3165 /^-fignore-asserts$/ && do { push(@HsC_flags, $_); next arg; };
3167 /^-fno-implicit-prelude$/ && do { $NoImplicitPrelude= 1; push(@HsC_flags, $_); next arg; };
3170 # have the compiler proper generate concurrent code,
3171 # really only used when you want to configure your own
3172 # special user compilation way.
3174 # (ditto for -fgransim, fscc-profiling, -fparallel and -fticky-ticky)
3176 /^-fscc-profiling$/ && do { push(@HsC_flags,$_); next arg; };
3177 /^-fticky-ticky$/ && do { push(@HsC_flags,$_); next arg; };
3178 /^-fgransim$/ && do { push(@HsC_flags,$_); next arg; };
3179 /^-fparallel$/ && do { push(@HsC_flags,$_); next arg; };
3180 /^-fsmp$/ && do { push(@HsC_flags,$_); next arg; };
3182 /^-split-objs$/ && do {
3183 if ( $TargetPlatform !~ /^(alpha|hppa1\.1|i386|m68k|mips|powerpc|rs6000|sparc)-/ ) {
3185 print STDERR "WARNING: don't know how to split objects on this platform: $TargetPlatform\n`-split-objs' option ignored\n";
3190 push(@HsC_flags, "-fglobalise-toplev-names");
3191 push(@CcBoth_flags, '-DUSE_SPLIT_MARKERS');
3193 require('ghc-split.prl')
3194 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-split.prl!\n");
3198 /^-unreg$/ && do { $UNREGing = 'u'; next arg; };
3199 /^-funregisterised$/ && do { push(@HsC_flags, $_); next arg; };
3200 /^-fno-asm-mangling$/ && do { $DoAsmMangling = 0; next arg; };
3202 /^-fallow-overlapping-instances$/ && do { push(@HsC_flags, $_); next arg; };
3203 /^-fallow-undecidable-instances$/ && do { push(@HsC_flags, $_); next arg; };
3204 /^-fhistory-size.*$/ && do { push(@HsC_flags, $_); next arg; };
3205 /^-fdicts-strict$/ && do { push(@HsC_flags, $_); next arg; };
3207 && do { push(@HsC_flags, $_);
3209 # -fglasgow-exts implies -syslib lang
3210 &add_syslib('lang');
3215 && do { $Oopt_DoSpecialise = '-fspecialise'; next arg; };
3216 /^-fno-speciali[sz]e$/
3217 && do { $Oopt_DoSpecialise = ''; next arg; };
3220 && do { $Oopt_UsageSPInf = '-fusagesp';
3221 push (@HsC_flags, '-fusagesp-on'); next arg; };
3223 /^-fcompiling-prelude$/ && do { $CompilingPrelude=1; push(@HsC_flags, $_); next arg; };
3225 # Now the foldr/build options, which are *on* by default (for -O).
3228 && do { $Oopt_FoldrBuild = 1;
3232 /^-fno-foldr-build$/
3233 && do { $Oopt_FoldrBuild = 0;
3236 # --------------- Renamer -------------
3239 /^-fno-prune-tydecls$/ && do { push(@HsC_flags, $_); next arg; };
3240 /^-fno-prune-instdecls$/ && do { push(@HsC_flags, $_); next arg; };
3244 /^-fasm-(.*)$/ && do { $HscLang = 'asm'; next arg; }; # force using nativeGen
3245 /^-fvia-[cC]$/ && do { $HscLang = 'C'; next arg; }; # force using C compiler
3250 && do { push(@HsC_flags, $_); next arg };
3252 /^-fliberate-case-.*$/
3253 && do { push(@HsC_flags, $_); next arg };
3255 /^-funfold-casms-in-hi-file$/
3256 && do { push(@HsC_flags, $_); next arg };
3258 /^(-fmax-simplifier-iterations)(.*)$/
3259 && do { $Oopt_MaxSimplifierIterations = $1 . &grab_arg_arg(*Args,$1, $2);
3262 /^-fno-pedantic-bottoms$/
3263 && do { $Oopt_PedanticBottoms = ''; next arg; };
3265 /^-fno-pre-inlining$/
3266 && do { push(@HsC_flags, $_); next arg };
3268 /^-fno-let-from-(case|app|strict-let)$/ # experimental, really (WDP 95/10)
3269 && do { push(@HsC_flags, $_); next arg; };
3271 /^-funbox-strict-fields$/
3272 && do { push(@HsC_flags, $_); next arg; };
3274 # --------------- Warnings etc. ------
3276 /^-fwarn-(.*)$/ && do { push(@HsC_flags, $_); next arg; };
3278 /^-fno-(.*)$/ && do { push(@HsC_antiflags, "-f$1");
3279 &squashHscFlag("-f$1");
3282 /^-W$/ && do { push(@HsC_flags, @MinusWOpts); next arg; };
3283 /^-Wall$/ && do { push(@HsC_flags, @MinusWallOpts); next arg; };
3284 /^(-Wnot|w)$/ && do { foreach (@Hsc_flags) {
3285 /^-fwarn-(.*)$/ && do { $_=''; };
3287 push(@HsC_antiflags, @StandardWarnings);
3290 # --------------- fun stuff ----------------
3292 /^-freport-compile$/ && do { push(@HsC_flags, $_); next arg; };
3294 # --------------- platform specific flags (for gcc mostly) ----------------
3296 /^-mlong-calls$/ && do { # for GCC for HP-PA boxes,
3297 # for 2.6.x..?, does not apply for 2.7.2
3299 unshift(@CcBoth_flags, ( $_ ));
3302 /^-m(v8|sparclite|cypress|supersparc|cpu=(cypress|supersparc))$/
3303 && do { # for GCC for SPARCs
3304 unshift(@CcBoth_flags, ( $_ ));
3307 /^-monly-([432])-regs/ && do { # for iX86 boxes only; no effect otherwise
3308 $StolenX86Regs = $1;
3311 #*************** ... and lots of debugging ones (form: -d* )
3313 # -d(no-)core-lint is done this way so it is turn-off-able.
3314 /^-dcore-lint/ && do { $CoreLint = '-dcore-lint'; next arg; };
3315 /^-dno-core-lint/ && do { $CoreLint = ''; next arg; };
3316 # Ditto for USP lint
3317 /^-dusagesp-lint/ && do { $USPLint = '-dusagesp-lint'; next arg; };
3318 /^-dno-usagesp-lint/ && do { $USPLint = ''; next arg; };
3319 # Ditto for STG lint
3320 /^-dstg-lint/ && do { $StgLint = '-dstg-lint'; next arg; };
3321 /^-dno-stg-lint/ && do { $StgLint = ''; next arg; };
3323 /^-d(dump|ppr)-/ && do { push(@HsC_flags, $_); next arg; };
3324 /^-dverbose-(simpl|stg)/ && do { push(@HsC_flags, $_); next arg; };
3325 /^-dshow-passes/ && do { push(@HsC_flags, $_); next arg; };
3326 /^-dshow-rn-stats/ && do { push(@HsC_flags, $_); next arg; };
3327 /^-dshow-rn-trace/ && do { push(@HsC_flags, $_); next arg; };
3328 /^-dsource-stats/ && do { push(@HsC_flags, $_); next arg; };
3329 /^-dsimplifier-stats/ && do { push(@HsC_flags, $_); next arg; };
3330 /^-dstg-stats/ && do { $Oopt_StgStats = $_; next arg; };
3332 #*************** ... and now all these -R* ones for its runtime system...
3334 /^-Rscale-sizes?(.*)/ && do {
3335 $Scale_sizes_by = &grab_arg_arg(*Args,'-Rscale-sizes', $1);
3338 /^(-H|-Rmax-heapsize)(.*)/ && do {
3339 local($heap_size) = &grab_arg_arg(*Args,$1, $2);
3340 if ($heap_size =~ /(\d+)[Kk]$/) {
3341 $heap_size = $1 * 1000;
3342 } elsif ($heap_size =~ /(\d+)[Mm]$/) {
3343 $heap_size = $1 * 1000 * 1000;
3344 } elsif ($heap_size =~ /(\d+)[Gg]$/) {
3345 $heap_size = $1 * 1000 * 1000 * 1000;
3347 if ($heap_size <= 0) {
3348 print STDERR "$Pgm: resetting heap-size to zero!!! $heap_size\n";
3349 $Specific_heap_size = 0;
3351 # if several heap sizes given, take the largest...
3352 } elsif ($heap_size >= $Specific_heap_size) {
3353 $Specific_heap_size = $heap_size;
3355 print STDERR "$Pgm: ignoring heap-size-setting option ($_)...not the largest seen\n" if $Verbose;
3359 /^(-K|Rmax-(stk|stack)size)(.*)/ && do {
3361 local($stk_size) = &grab_arg_arg(*Args,'-Rmax-stksize', $3);
3362 if ($stk_size =~ /(\d+)[Kk]$/) {
3363 $stk_size = $1 * 1000;
3364 } elsif ($stk_size =~ /(\d+)[Mm]$/) {
3365 $stk_size = $1 * 1000 * 1000;
3366 } elsif ($stk_size =~ /(\d+)[Gg]$/) {
3367 $stk_size = $1 * 1000 * 1000 * 1000;
3369 if ($stk_size <= 0) {
3370 print STDERR "$Pgm: resetting stack-size to zero!!! $stk_size\n";
3371 $Specific_stk_size = 0;
3373 # if several stack sizes given, take the largest...
3374 } elsif ($stk_size >= $Specific_stk_size) {
3375 $Specific_stk_size = $stk_size;
3377 print STDERR "$Pgm: ignoring stack-size-setting option ($flag $stk_size)...not the largest seen\n" if $Verbose;
3381 /^-Rgc-stats$/ && do { $CollectingGCstats++;
3382 # the two RTSs do this diff ways; we will try to compensate
3385 /^-Rghc-timing/ && do { $CollectGhcTimings = 1; next arg; };
3387 #---------- C high-level assembler (gcc) -------------------------------
3388 /^-(Wall|ansi|pedantic)$/ && do { push(@CcBoth_flags, $_); next arg; };
3390 # -dgcc-lint is a useful way of making GCC very fussy.
3391 # From alan@spri.levels.unisa.edu.au (Alan Modra).
3392 /^-dgcc-lint$/ && do { push(@CcBoth_flags, '-Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs'); next arg; };
3393 # An alternate set, from mark@sgcs.com (Mark W. Snitily)
3394 # -Wall -Wstrict-prototypes -Wmissing-prototypes -Wcast-align -Wshadow
3396 # inject "#include <wurble>" into the compiler's C output!
3398 /^-#include(.*)/ && do {
3399 local($to_include) = &grab_arg_arg(*Args,'-#include', $1);
3400 push(@CcInjects, "#include $to_include\n");
3403 #---------- Linker (gcc, really) ---------------------------------------
3405 /^-static$/ && do { $Static=1; push(@Ld_flags, $_); next arg; };
3406 /^-no-hs-main$/ && do { $NoHaskellMain=1; next arg; };
3408 #---------- mixed cc and linker magic ----------------------------------
3409 # this optimisation stuff is finally sorted out later on...
3411 /^-O2-for-C$/ && do { $MinusO2ForC = 1; next arg; };
3413 /^-O[1-2]?$/ && do {
3414 local($opt_lev) = ( /^-O2$/ ) ? 2 : 1; # max 'em
3415 $OptLevel = ( $opt_lev > $OptLevel ) ? $opt_lev : $OptLevel;
3417 $HscLang = 'C'; # force use of C compiler
3420 /^-Onot$/ && do { $OptLevel = 0; next arg; }; # # set it to <no opt>
3422 /^-Ofile(.*)/ && do {
3424 local($ofile) = &grab_arg_arg(*Args,'-Ofile', $1);
3425 @HsC_minusO3_flags = ();
3427 open(OFILE, "< $ofile") || die "Can't open $ofile!\n";
3430 s/\#.*//; # death to comments
3431 s/[ \t]+//g; # death to whitespace
3432 next if /^$/; # ditto, blank lines
3433 s/([()*{}])/\\$1/g; # protect shell metacharacters
3435 push(@CcBoth_flags, $1);
3437 push(@HsC_minusO3_flags, $_);
3443 /^-debug$/ && do { # all this does is mark a .hc/.o as "debugging"
3444 # in the consistency info
3448 #---------- linking .a file --------------------------------------------
3450 /^-Main(.*)/ && do {
3451 # specifies main or mainPrimIO to be linked
3455 #---------- catch unrecognized flags -----------------------------------
3458 print STDERR "$Pgm: unrecognised option: $_\n";
3464 } # end of processArgs