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 ($Pgm = $0) =~ s|.*/||;
16 $ShortUsage = "\nUsage: For basic information, try the `-help' option.\n";
17 $LongUsage = "\n" . <<EOUSAGE;
18 Use of the Glorious Haskell Compilation System driver:
20 $Pgm [command-line-options-and-input-files]
22 ------------------------------------------------------------------------
23 This driver ($Pgm) guides each input file through (some of the)
24 possible phases of a compilation:
26 - unlit: extract code from a "literate program"
27 - hscpp: run code through the C pre-processor (if -cpp flag given)
28 - hsc: run the Haskell compiler proper
29 - gcc: run the C compiler (if compiling via C)
30 - as: run the assembler
33 For each input file, the phase to START with is determined by the
35 - .lhs literate Haskell: unlit
36 - .hs illiterate Haskell: hsc
37 - .hc C from the Haskell compiler: gcc
38 - .c C not from the Haskell compiler: gcc
39 - .s assembly language: as
40 - other passed directly to the linker: ld
42 If no files are given on the command line, input is taken from
43 standard input, and processing is as for an .hs file. (All output is
44 to stdout or stderr, however).
46 The phase at which to STOP processing is determined by a command-line
48 -E stop after generating preprocessed, de-litted Haskell (used in conjunction with -cpp)
49 -C stop after generating C (.hc output)
50 -S stop after generating assembler (.s output)
51 -c stop after generating object files (.o output)
53 Other commonly-used options are:
55 -O An `optimising' package of compiler flags, for faster code
57 -prof Compile for cost-centre profiling
58 (add -auto for automagic cost-centres on top-level functions)
60 -fglasgow-exts Allow Glasgow extensions (unboxed types, etc.)
62 -H14m Increase compiler's heap size
64 -M Output the Makefile rules recording the
65 dependencies of a list of Haskell files.
66 (ghc driver script calls upon the help of a
67 compatible mkdependHS script to do the actual
70 The User's Guide has more information about GHC's *many* options.
72 Given the above, here are some TYPICAL invocations of $Pgm:
74 # compile a Haskell module to a .o file, optimising:
76 # link three .o files into an executable called "test":
77 % $Pgm -o test Foo.o Bar.o Baz.o
78 # compile a Haskell module to C (a .hc file), using a bigger heap:
79 % $Pgm -C -H16m Foo.hs
80 # compile Haskell-produced C (.hc) to assembly language:
82 ------------------------------------------------------------------------
86 %************************************************************************
88 \section[Driver-init]{Initialisation}
90 %************************************************************************
92 The driver script need to be told where to find these executables, so
93 in the course of building the driver `executable', make-variables holding
94 these are prepended to the de-litted version of this file. The variables are:
99 HOSTPLATFORM TARGETPLATFORM
101 ProjectName ProjectVersion ProjectVersionInt
103 HscMajorVersion HscMinorVersion CcMajorVersion CcMinorVersion
107 bindir libdir libexecdir datadir
111 GHC_LIB_DIR GHC_RUNTIME_DIR GHC_INCLUDE_DIR
113 GHC_OPT_HILEV_ASM GhcWithNativeCodeGen
115 GHC_UNLIT GHC_HSCPP GHC_MKDEPENDHS GHC_HSC GHC_SYSMAN
119 WAY_*_NAME WAY_*_REAL_OPTS
127 Establish what executables to run for the various phases, what the
128 default options are for those phases, and other similar boring stuff.
131 select(STDERR); $| = 1; select(STDOUT); # no STDERR buffering, please.
133 $TargetPlatform = $TARGETPLATFORM;
135 $TopPwd = "${TOP_PWD}";
136 $InstBinDirGhc = "${bindir}";
137 $InstLibDirGhc = "${libdir}";
139 # Normally the same as InstLibDirGhc, but we accommodate
140 # for it being separate.
142 $InstLibExecDirGhc = "${libexecdir}";
143 $InstDataDirGhc = "${datadir}";
145 $Status = 0; # just used for exit() status
148 # set up signal handler
149 sub quit_upon_signal { &tidy_up_and_die(1, ''); }
150 $SIG{'INT'} = 'quit_upon_signal';
151 $SIG{'QUIT'} = 'quit_upon_signal';
153 # where to get "require"d .prl files at runtime (poor man's dynamic loading)
154 # (use LIB, not DATA, because we can't be sure of arch-independence)
155 @INC = ( ( $INSTALLING ) ? $InstLibDirGhc
156 : "$TopPwd/${CURRENT_DIR}" );
158 if ( $ENV{'TMPDIR'} ) { # where to make tmp file names
159 $Tmp_prefix = ($ENV{'TMPDIR'} . "/ghc$$");
161 print STDERR "TMPDIR has not been set to anything useful!\n" if (${TMPDIR} eq '');
162 $Tmp_prefix ="${TMPDIR}/ghc$$"; # TMPDIR set via Makefile when booting..
163 $ENV{'TMPDIR'} = ${TMPDIR}; # set the env var as well
166 # Some shells run into real trouble when command line and environment
167 # gets big (e.g., cmd lines of >4K to /bin/sh causes havoc on our
168 # Solaris-2.5.1 boxes - even though sysconf(_SC_ARG_MAX) reports 1M ...).
169 # To work around any such */bin/sh* problems, we will scribble such
170 # awfully long command lines into a temp file and exec that temp file
171 # with $(REAL_SHELL) (don't use the SHELL variable directly as this
172 # will normally get you the wrong thing when the driver is invoked
173 # from within `make'). If the REAL_SHELL variable isn't set, you'll
174 # get SHELL. This is all a terrible hack. (in case you hadn't reached
175 # the same conclusion by now :-)
179 if ( ! $ENV{'REAL_SHELL'} ) {
180 $ENV{'REAL_SHELL'} = $ENV{'SHELL'};
183 @Files_to_tidy = (); # files we nuke in the case of abnormal termination
185 $Unlit = ( $INSTALLING ) ? "$InstLibExecDirGhc/unlit"
186 : "$TopPwd/${CURRENT_DIR}/${GHC_UNLIT}";
190 $Diff = $CONTEXT_DIFF;
195 $HsCpp = # but this is re-set to "cat" (after options) if -cpp not seen
196 ( $INSTALLING ) ? "$InstLibExecDirGhc/hscpp"
197 : "$TopPwd/${CURRENT_DIR}/${GHC_HSCPP}";
200 $HsC = ( $INSTALLING ) ? "$InstLibExecDirGhc/hsc"
201 : "$TopPwd/${CURRENT_DIR}/${GHC_HSC}";
203 # For PVM fiends only
204 $SysMan = ( $INSTALLING ) ? "$InstLibExecDirGhc/SysMan"
205 : "$TopPwd/${CURRENT_DIR}/${GHC_SYSMAN}";
210 # HsC_rts_flags: if we want to talk to the LML runtime system
211 # NB: we don't use powers-of-2 sizes, because this may do
212 # terrible things to cache behavior.
214 $Specific_heap_size = 6 * 1000 * 1000;
215 $Specific_stk_size = 1000 * 1000;
216 $Scale_sizes_by = 1.0;
220 The variables set by @setupOptFlags@ represent parts of the
221 -O/-O2/etc ``templates,'' which are filled in later, using these.
222 These are the default values, which may be changed by user flags.
226 $Oopt_MaxSimplifierIterations = '-fmax-simplifier-iterations4';
227 $Oopt_PedanticBottoms = '-fpedantic-bottoms'; # ON by default
228 $Oopt_FinalStgProfilingMassage = '';
230 $Oopt_DoSpecialise = '-fspecialise';
231 $Oopt_FoldrBuild = 0; # *Off* by default!
232 $Oopt_UsageSPInf = ''; # Off by default
233 } # end of setupOptFlags
235 # Assign defaults to these right away.
239 Things to do with C compilers/etc:
241 (added -Wimplicit: implicit prototypes cause very hard-to-find
242 problems, so I'm turing on the warnings -- SDM 4/5/98)
245 $CcRegd = $GHC_OPT_HILEV_ASM;
246 @CcBoth_flags = ('-S','-Wimplicit'); # flags for *any* C compilation
250 # those for all files,
251 # those only for .c files;
252 # those only for .hc files
255 @CcRegd_flags_c = ();
256 @CcRegd_flags_hc = ();
258 $As = ''; # "assembler" is normally GCC
261 $Lnkr = ''; # "linker" is normally GCC
265 # 'nm' is used for consistency checking (ToDo: mk-world-ify)
266 # ToDo: check the OS or something ("alpha" is surely not the crucial question)
267 $Nm = ($TargetPlatform =~ /^alpha-/) ? 'nm -B' : 'nm';
270 Warning packages that are controlled by -W and -Wall. The 'standard'
271 warnings that you get all the time are
273 -fwarn-overlapping-patterns
274 -fwarn-missing-methods
275 -fwarn-duplicate-exports
277 these are turned off by -Wnot.
280 @StandardWarnings = ('-fwarn-overlapping-patterns',
281 '-fwarn-missing-methods',
282 '-fwarn-missing-fields',
283 '-fwarn-duplicate-exports');
284 @MinusWOpts = (@StandardWarnings,
285 '-fwarn-unused-binds',
286 '-fwarn-unused-matches',
287 '-fwarn-incomplete-patterns',
288 '-fwarn-unused-imports');
289 @MinusWallOpts = (@MinusWOpts,
290 '-fwarn-type-defaults',
291 '-fwarn-name-shadowing',
292 '-fwarn-missing-signatures');
295 What options \tr{-user-setup-a} turn into (user-defined ``packages''
297 of options). Note that a particular user-setup implies a particular
298 Prelude ({\em including} its interface file(s)).
300 $BuildTag = ''; # default is sequential build w/ Appel-style GC
302 %BuildDescr = (# system ways begin
303 '', 'Normal Sequential',
305 '_t', "Ticky-ticky Profiling",
306 '_u', "Unregisterised",
327 '_B', "$WAY_B_NAME" );
329 # these are options that are "fed back" through the option processing loop
333 '_a', "$WAY_a_REAL_OPTS",
334 '_b', "$WAY_b_REAL_OPTS",
335 '_c', "$WAY_c_REAL_OPTS",
336 '_d', "$WAY_d_REAL_OPTS",
337 '_e', "$WAY_e_REAL_OPTS",
338 '_f', "$WAY_f_REAL_OPTS",
339 '_g', "$WAY_g_REAL_OPTS",
340 '_h', "$WAY_h_REAL_OPTS",
341 '_i', "$WAY_i_REAL_OPTS",
342 '_j', "$WAY_j_REAL_OPTS",
343 '_k', "$WAY_k_REAL_OPTS",
344 '_l', "$WAY_l_REAL_OPTS",
345 '_m', "$WAY_m_REAL_OPTS",
346 '_n', "$WAY_n_REAL_OPTS",
347 '_o', "$WAY_o_REAL_OPTS",
348 '_A', "$WAY_A_REAL_OPTS",
349 '_B', "$WAY_B_REAL_OPTS",
352 '_p', "-fscc-profiling -DPROFILING -optc-DPROFILING",
353 '_t', "-fticky-ticky -DTICKY_TICKY -optc-DTICKY_TICKY",
354 '_u', "-optc-DNO_REGS -optc-DUSE_MINIINTERPRETER -fno-asm-mangling -funregisterised",
355 '_s', "-fsmp -optc-pthread -optl-pthread -optc-DSMP",
356 '_mp', "-fparallel -D__PARALLEL_HASKELL__ -optc-DPAR",
357 '_mg', "-fgransim -D__GRANSIM__ -optc-DGRAN");
359 # where to look for interface files (system hi's, i.e., prelude and syslibs)
360 @SysImport_dir = ( $INSTALLING )
361 ? ( "$InstLibDirGhc/imports/std" )
362 : ( "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std" );
364 # We need to look in ghc/ and glaExts/ when searching for implicitly needed .hi files, but
365 # we should really *not* look there for explicitly imported modules.
367 $Haskell1Version = 5; # i.e., Haskell 1.4
370 # Cpp symbols defined when we're processing Haskell source.
374 , "-D__HASKELL1__=$Haskell1Version"
375 , "-D__GLASGOW_HASKELL__=$ProjectVersionInt"
377 , "-D__CONCURRENT_HASKELL__"
381 @SysLibrary_dir = ( ( $INSTALLING ) #-syslib things supplied by the system
383 : ( "$TopPwd/$CURRENT_DIR/$GHC_RUNTIME_DIR"
384 , "$TopPwd/$CURRENT_DIR/$GHC_RUNTIME_DIR/gmp"
385 , "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std"
386 , "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std/cbits"
390 # make depend for Haskell
392 = ( $INSTALLING ) ? "$InstLibExecDirGhc/mkdependHS"
393 : "$TopPwd/$CURRENT_DIR/$GHC_MKDEPENDHS";
395 @MkDependHS_flags = ();
397 # do_link flag should not be reset while rescanning the cmd-line.
399 $Specific_output_dir = ''; # set by -odir <dir>
400 $Specific_output_file = ''; # set by -o <file>; "-" for stdout
403 Function to initialise the per-compilation-unit globals that
404 are used to guide and control the invocation of the different phases.
407 sub initDriverGlobals {
409 # reset the following options:
410 # RTS flags to use while compiling
416 The optimisations/etc to be done by the compiler are {\em normally}
417 expressed with a \tr{-O} (or \tr{-O2}) flag, or by its absence.
420 $OptLevel = 0; # no -O == 0; -O == 1; -O2 == 2; -Ofile == 3
421 $MinusO2ForC = 0; # set to 1 if -O2 should be given to C compiler
422 $StolenX86Regs = 4; # **HACK*** of the very worst sort
427 # The SplitMarker is the string/character used to mark end of element
430 @Import_dir = ('.'); #-i things
431 @Include_dir = ('.'); #-I things; other default(s) stuck on AFTER option processing
433 @UserLibrary_dir= (); #-L things;...
434 @UserLibrary = (); #-l things asked for by the user
436 @SysLibrary = (); # will be built up as we go along
439 We are given a list of files with various presumably-known suffixes
440 (unknown-suffix files go straight to the linker). For each file, we
441 begin by assuming that we'll run every phase over it. However: (1)
442 global flags (\tr{-c}, \tr{-S}, etc.) tell us not to run any phase
443 past a certain point; and (2) the file's suffix tells us what phase to
444 start with. Linking is weird and kept track of separately.
446 Here are the initial defaults applied to all files:
448 $Cpp_flag_set = 0; # (hack)
449 $Only_preprocess_C = 0; # pretty hackish
450 $Only_preprocess_hc = 0; # ditto
451 $Only_generate_deps = 0; # ""
452 $Only_generate_dll = 0;
453 $PostprocessCcOutput = 0;
456 # static = 0 => produce code for DLLs (when compiling & linking.)
458 $Static = 0 if ($EnableWin32DLLs eq 'YES');
460 # native code-gen or via C?
461 $HaveNativeCodeGen = $GhcWithNativeCodeGen;
462 $HscOut = '-C='; # '-C=' ==> .hc output; '-S=' ==> .s output; '-N=' ==> neither
464 if ($HaveNativeCodeGen ne 'YES') && $TargetPlatform =~ /^(alpha)-/;
465 # TEMP: disable x86 & Sparc if $HaveNativeCodeGen && $TargetPlatform =~ /^(i386|alpha|sparc)-/;
466 $ProduceHi = '-hifile=';
472 $CollectingGCstats = 0;
473 $CollectGhcTimings = 0;
474 $DEBUGging = ''; # -DDEBUG and all that it entails (um... not really)
475 $PROFing = ''; # set to p or e if profiling
476 $PROFgroup = ''; # set to group if an explicit -Ggroup specified
477 $PROFauto = ''; # set to relevant hsc flag if -auto or -auto-all
478 $PROFcaf = ''; # set to relevant hsc flag if -caf-all
479 $PROFdict = ''; # set to relevant hsc flag if -auto-dicts
480 $PROFignore_scc = ''; # set to relevant parser flag if explicit sccs ignored
481 $UNPROFscc_auto = ''; # set to relevant hsc flag if forcing auto sccs without profiling
482 $TICKYing = ''; # set to t if compiling for ticky-ticky profiling
483 $PARing = ''; # set to p if compiling for PAR
484 $GRANing = ''; # set to g if compiling for GRAN
485 $UNREGing = ($GhcWithRegisterised eq 'YES') ? '' : 'u';
486 $Specific_hi_file = ''; # set by -ohi <file>; "-" for stdout
487 $Specific_dump_file = ''; # set by -odump <file>; "-" for stdout
488 $Using_dump_file = 0;
490 $Osuffix = ''; # default: use the normal suffix for that kind of output
492 $HiSuffix_prelude = '';
494 $Do_recomp_chkr = 0; # don't use the recompilatio checker unless asked
495 $Do_cc = -1; # a MAGIC indeterminate value; will be set to 1 or 0.
498 $Keep_hc_file_too = 0;
499 $Keep_s_file_too = 0;
500 $UseGhcInternals = 0; # if 1, may use GHC* modules
502 $DoAsmMangling = 1; # on by default, off by -fno-asm-mangling
504 $Dump_parser_output = 0;
506 $Dump_asm_splitting_info = 0;
507 $NoImplicitPrelude = 0;
508 # 1 => don't tell the linker to hoist in PrelMain.Main, as an
509 # external main is provided instead.
512 } # end of initDriverGlobals (Sigh)
514 # we split the argv passed to the driver into three:
519 # and files to be linked...
525 # cmd line options prefixing the unit we're compiling
530 We inject consistency-checking information into \tr{.hc} files (both
531 when created by the Haskell compiler and when compiled by the C
532 compiler), so that we can check that an executable is made from
533 consistently-built pieces. (The check is normally done just after
534 linking.) The checking is done by introducing/munging
535 \tr{what(1)}-style strings. Anyway, here are the relevant global
536 variables and their defaults:
538 $LinkChk = 0; # set to 0 if the link check should *not* be done
540 # major & minor version numbers; major numbers must always agree;
541 # minor disagreements yield a warning.
542 $HsC_major_version = $HscMajorVersion;
543 $HsC_minor_version = $HscMinorVersion;
544 $Cc_major_version = $CcMajorVersion;
545 $Cc_minor_version = $CcMinorVersion;
547 # options: these must always agree
548 $HsC_consist_options = ''; # we record, in this order:
549 # Build tag; debugging?
550 $Cc_consist_options = ''; # we record, in this order:
551 # Build tag; debugging?
554 %************************************************************************
556 \section[Driver-parse-argv]{Munge the command-line options}
558 %************************************************************************
560 Now slurp through the arguments.
563 &initDriverGlobals();
564 &splitCmdLine(@ARGV);
565 # Run through the cmd-line first time.
566 &processArgs(@Cmd_opts);
568 # Check to see if driver is only in the business
569 # to generate dependencies
570 if ( $Status == 0 && $Only_generate_deps ) {
572 push (@MkDependHS_flags, "-o$Osuffix") if $Osuffix;
573 # They're not (currently) needed, but we need to quote any -#include options
574 foreach (@Cmd_opts) {
575 s/-#include.*$/'$&'/g;
577 local($to_do) = "$MkDependHS @MkDependHS_flags @HsSourceCppOpts -- @Cmd_opts -- @Input_file" ;
578 &run_something($to_do, 'Haskell dependencies');
582 # ..or just to construct a (Haskell) DLL.
583 if ( $Status == 0 && $Only_generate_dll && $EnableWin32DLLs ) {
589 # if there are several input files,
590 # we don't allow \tr{-o <file>} or \tr{-ohi <file>} options...
591 # (except if linking, of course)
593 if ($#Input_file > 0 && ( ! $Do_lnkr )) {
594 if ( ($Specific_output_file ne '' && $Specific_output_file ne '-')
595 || ($Specific_hi_file ne '' && $Specific_hi_file ne '-') ) {
596 print STDERR "$Pgm: You can't use -o or -ohi options if you have multiple input files.\n";
597 print STDERR "\tPerhaps the -odir option will do what you want.\n";
602 # check for various pathological -o and -odir combinations...
603 if ($Specific_output_dir ne '' && $Specific_output_file ne '') {
604 if ($Specific_output_file eq '-') {
605 print STDERR "$Pgm: can't set output directory with -ohi AND have output to stdout\n";
607 } else { # amalgamate...
608 $Specific_output_file = "$Specific_output_dir/$Specific_output_file";
609 # ToDo: check we haven't got a junk name now...
610 $Specific_output_dir = ''; # reset
614 # crash and burn if there were errors
616 print STDERR $ShortUsage;
621 %************************************************************************
623 \section[Driver-post-argv-mangling]{Setup after reading options}
625 %************************************************************************
627 %************************************************************************
629 \subsection{Set up for optimisation level (\tr{-O} or whatever)}
631 %************************************************************************
633 We come now to the default ``wads of options'' that are turned on by
634 \tr{-O0} (do min optimisation), \tr{-O} (ordinary optimisation),
635 \tr{-O2} (aggressive optimisation), or no O-ish flag (compile speed is
638 The user can also specify his/her own list of options in a file; in
639 that case, the work is already done (see stuff about @minusO3@,
642 GHC allows very precise control of what happens during a compilation.
643 Core-to-Core and STG-to-STG passes can be run in any order, as many
644 times as you like. Individual transformations can be turned on or
647 Sadly, however, there are some interdependencies \& Things You Must
648 Not Do. Here is the list.
652 \item[\tr{-fspecialise}:]
653 The specialiser must have dependency-analysed input; but if you run
654 the simplifier to do this, you must not let it toss away unused
655 bindings! (The typechecker conveys some specialisation info via
656 ``unused'' bindings...)
658 \item[\tr{-ffloat-inwards}:]
659 Floating inwards should be done before strictness analysis, because
660 the latter will give better results.
662 \item[\tr{-fstatic-args}:]
663 The static-arguments-transformation pass {\em must} have the
664 simplifier run right after it.
666 \item[\tr{-fcalc-inlinings[12]}:]
667 Not required, but there may be slight gains by re-simplifying after
668 this is done. (You could then \tr{-fcalc-inlinings} again, just for
671 \item[\tr{-ffull-laziness}:]
672 The (outwards-)let-floater should be the {\em last} Core-to-Core pass
673 that's run. (Um, well, howzabout the simplifier just once more...)
678 \item[\tr{-fupdate-analysis}:]
679 It really really wants to be the last STG-to-STG pass that is run.
684 sub setupOptimiseFlags {
686 # this pass-ordering sequence was agreed by Simon and Andr\'e
687 # (WDP 94/07, 94/11).
694 $Oopt_MaxSimplifierIterations,
698 $Oopt_FinalStgProfilingMassage
701 @HsC_minusO_flags # NOTE: used for *both* -O and -O2 (some conditional bits)
705 '-fdo-eta-reduction',
706 '-fdo-lambda-eta-expansion',
710 $Oopt_PedanticBottoms,
712 # initial simplify: mk specialiser happy: minimum effort please
716 '-finline-phase0', # Don't inline anything till full laziness has bitten
717 # In particular, inlining wrappers inhibits floating
718 # e.g. ...(case f x of ...)...
719 # ==> ...(case (case x of I# x# -> fw x#) of ...)...
720 # ==> ...(case x of I# x# -> case fw x# of ...)...
721 # and now the redex (f x) isn't floatable any more
723 '-fno-rules', # Similarly, don't apply any rules until after full laziness
724 # Notably, list fusion can prevent floating.
726 '-fmax-simplifier-iterations2',
729 # Specialisation is best done before full laziness
730 # so that overloaded functions have all their dictionary lambdas manifest
731 ($Oopt_DoSpecialise) ? ( $Oopt_DoSpecialise, ) : (),
737 # # Run the simplifier before specialising, so that overloaded functions
738 # # look like f = \d -> ...
739 # # (Full laziness may lift out something hiding the \d
741 # '-fmax-simplifier-iterations1',
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 $Oopt_MaxSimplifierIterations,
776 $Oopt_MaxSimplifierIterations,
777 # No -finline-phase: allow all Ids to be inlined now
780 '-ffull-laziness', # nofib/spectral/hartel/wang doubles in speed if you
781 # do full laziness late in the day. It only happens
782 # after fusion and other stuff, so the early pass doesn't
783 # catch it. For the record, the redex is
784 # f_el22 (f_el21 r_midblock)
786 # We want CSE to follow the final full-laziness pass, because it may
787 # succeed in commoning up things floated out by full laziness.
789 # CSE must immediately follow a simplification pass, because it relies
790 # on the no-shadowing invariant. See comments at the top of CSE.lhs
791 # So it must NOT follow float-inwards, which can give rise to shadowing,
792 # even if its input doesn't have shadows. Hence putting it between
799 # Case-liberation for -O2. This should be after
800 # strictness analysis and the simplification which follows it.
804 # : "-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 ]" ),
808 # Final clean-up simplification:
812 $Oopt_MaxSimplifierIterations,
813 # No -finline-phase: allow all Ids to be inlined now
820 $Oopt_FinalStgProfilingMassage,
826 # SPECIAL FLAGS for -O2
828 '-fupdate-analysis', # virtually useless; relegated to -O2
835 Sort out what we're going to do about optimising. First, the @hsc@
836 flags and regular @cc@ flags to worry about:
838 if ( $OptLevel <= 0 ) {
840 # for this level, we tell the parser -fignore-interface-pragmas
841 push(@HsC_flags, '-fignore-interface-pragmas');
842 # and tell the compiler not to produce them
843 push(@HsC_flags, '-fomit-interface-pragmas');
845 &add_Hsc_flags( @HsC_minusNoO_flags );
846 push(@CcBoth_flags, ($MinusO2ForC) ? '-O2' : '-O'); # not optional!
848 } elsif ( $OptLevel == 1 || $OptLevel == 2 ) {
850 &add_Hsc_flags( @HsC_minusO_flags );
851 push(@CcBoth_flags, ($MinusO2ForC || $OptLevel == 2) ? '-O2' : '-O'); # not optional!
852 # -O? to GCC is not optional! -O2 probably isn't worth it generally,
853 # but it *is* useful in compiling the garbage collector.
855 } else { # -Ofile, then...
857 &add_Hsc_flags( @HsC_minusO3_flags );
858 push(@HsC_flags, $Oopt_FinalStgProfilingMassage) if $Oopt_FinalStgProfilingMassage;
860 push(@CcBoth_flags, ($MinusO2ForC) ? '-O2' : '-O'); # possibly to be elaborated...
863 } # setupOptimiseFlags
867 %************************************************************************
869 \subsection{Check for consistency, etc.}
871 %************************************************************************
873 Sort out @$BuildTag@, @$PROFing@, @$PARing@,
874 @$GRANing@, @$TICKYing@, @UNREGing@:
876 sub setupBuildFlags {
878 # PROFILING stuff after argv mangling:
880 # add -auto sccs even if not profiling !
881 push(@HsC_flags, $UNPROFscc_auto) if $UNPROFscc_auto;
884 push(@HsC_flags, $PROFauto) if $PROFauto;
885 push(@HsC_flags, $PROFcaf) if $PROFcaf;
886 push(@HsC_flags, $PROFdict) if $PROFdict;
888 $Oopt_FinalStgProfilingMassage = '-fmassage-stg-for-profiling';
890 # Ignore user sccs when auto annotating, but warn when doing so.
891 $PROFignore_scc = '-W' if $PROFauto;
893 #if ( $BuildTag ne '' ) {
894 # local($b) = $BuildDescr{$BuildTag};
895 # if ($PARing eq 'p') { print STDERR "$Pgm: Can't mix $b with -parallel.\n"; exit 1; }
896 # if ($GRANing eq 'g') { print STDERR "$Pgm: Can't mix $b with -gransim.\n"; exit 1; }
897 # if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix $b with -ticky.\n"; exit 1; }
899 # # ok to have a user-way profiling build
900 # # eval the profiling opts ... but leave user-way BuildTag
901 # if ($PROFing eq 'p') { &processArgs(split(' ', $SetupOpts{'_p'})); } # eval($EvaldSetupOpts{'_p'}); }
903 if ( $PROFing eq 'p' ) {
904 if ($PARing eq 'p') { print STDERR "$Pgm: Can't do profiling with -parallel.\n"; exit 1; }
905 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't do profiling with -gransim.\n"; exit 1; }
906 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't do profiling with -ticky.\n"; exit 1; }
909 } elsif ( $PARing eq 'p' ) {
910 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't mix -parallel with -gransim.\n"; exit 1; }
911 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix -parallel with -ticky.\n"; exit 1; }
914 if ( $Do_lnkr && ( ! $ENV{'PVM_ROOT'} || ! $ENV{'PVM_ARCH'} )) {
915 print STDERR "$Pgm: both your PVM_ROOT and PVM_ARCH environment variables must be set for linking under -parallel.\n";
919 } elsif ( $SMPing eq 's') {
922 } elsif ( $GRANing eq 'g' ) {
923 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix -gransim with -ticky.\n"; exit 1; }
926 } elsif ( $TICKYing eq 't' ) {
929 } elsif ( $UNREGing eq 'u' ) {
930 if ($GhcWithRegisterised eq 'YES') {
936 After the sanity checks, add flags to the necessary parts of the driver pipeline:
939 if ( $BuildTag ne '' ) { # something other than normal sequential...
941 local($Tag) = "${BuildTag}";
942 $Tag =~ s/_//; # move the underscore to the back
944 $HscOut = '-C='; # must go via C
945 &processArgs(split(' ', $SetupOpts{$BuildTag}));
946 # eval($EvaldSetupOpts{$BuildTag});
950 Decide what the consistency-checking options are in force for this run:
953 $HsC_consist_options = "${BuildTag},${DEBUGging}";
954 $Cc_consist_options = "${BuildTag},${DEBUGging}";
957 # Funny place to put it, but why not.
959 if ( $HiSuffix_prelude eq '' ) {
961 if ($CompilingPrelude) {
962 $HiSuffix_prelude = "$HiSuffix" if $CompilingPrelude;
964 local($Tag) = "${BuildTag}";
967 $Tag = "${Tag}_" if $Tag ne '';
968 $HiSuffix_prelude="${Tag}hi";
974 %************************************************************************
976 \subsection{Add on machine-specific C-compiler flags}
978 %************************************************************************
980 Shove on magical machine-specific options. We use \tr{unshift} to
981 stick them on the {\em front} of the arrays, so that ``later''
982 user-specified flags can clobber them (e.g., \tr{-U__STG_REV_TBLS__}).
984 Note: a few ``always apply'' flags were set at the very beginning.
989 if ($TargetPlatform =~ /^alpha-/) {
990 unshift(@CcBoth_flags, ('-static'));
992 } elsif ($TargetPlatform =~ /^hppa/) {
993 unshift(@CcBoth_flags, ('-static'));
995 # We don't put in '-mlong-calls', because it's only
996 # needed for very big modules (sigh), and we don't want
997 # to hobble ourselves further on all the other modules
1000 # [Dated comment (gcc-2.6.x?), -mlong-calls is no longer
1001 # a supported gcc HPPA flag]
1002 unshift(@CcBoth_flags, ('-D_HPUX_SOURCE'));
1003 # ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
1004 # (very nice, but too bad the HP /usr/include files don't agree.)
1006 } elsif ($TargetPlatform =~ /^i386-/) {
1007 # -fno-defer-pop : basically the same game as for m68k
1009 # -fomit-frame-pointer : *must* in .hc files; because we're stealing
1010 # the fp (%ebp) for our register maps.
1012 unshift(@CcRegd_flags_hc, '-fno-defer-pop');
1013 unshift(@CcRegd_flags_hc, '-fomit-frame-pointer');
1014 unshift(@CcRegd_flags, "-DSTOLEN_X86_REGS=$StolenX86Regs");
1016 unshift(@CcBoth_flags, ('-DDONT_WANT_WIN32_DLL_SUPPORT')) if ($Static);
1018 } elsif ($TargetPlatform =~ /^m68k-/) {
1019 # -fno-defer-pop : for the .hc files, we want all the pushing/
1020 # popping of args to routines to be explicit; if we let things
1021 # be deferred 'til after an STGJUMP, imminent death is certain!
1023 # -fomit-frame-pointer : *don't*
1024 # It's better to have a6 completely tied up being a frame pointer
1025 # rather than let GCC pick random things to do with it.
1026 # (If we want to steal a6, then we would try to do things
1027 # as on iX86, where we *do* steal the frame pointer [%ebp].)
1029 unshift(@CcRegd_flags_hc, '-fno-defer-pop');
1030 unshift(@CcRegd_flags, '-fno-omit-frame-pointer');
1031 # maybe gives reg alloc a better time
1032 # also: -fno-defer-pop is not sufficiently well-behaved without it
1034 } elsif ($TargetPlatform =~ /^mips-/) {
1035 unshift(@CcBoth_flags, ('-static'));
1037 } elsif ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
1038 unshift(@CcBoth_flags, ('-static')); # always easier to start with
1039 unshift(@CcRegd_flags, ('-finhibit-size-directive')); # avoids traceback tables
1040 } elsif ($TargetPlatform =~ /^sparc-/) {
1042 } # end of setupMachOpts
1045 %************************************************************************
1047 \subsection{Set up for warnings}
1049 %************************************************************************
1051 Several warnings are turned on by default. These are supposed to be
1052 the 'I'm pretty sure you've made a mistake here' kind of warnings.
1053 The rest are turned on by the -W and -Wall options, or individually
1054 via their -fwarn and -fno-warn flags.
1057 sub setupWarningFlags {
1058 &add_Hsc_flags( @StandardWarnings );
1062 Same unshifting magic, but for special linker flags.
1064 The configure script determines whether the object file symbol tables
1065 have a leading underscore, and sets @LeadingUnderscore@ accordingly.
1066 (The driver script `sees' the setting of the @LeadingUnderscore@
1067 by having the Makefile prepend it).
1071 local($uscore) = ( ${LeadingUnderscore} eq 'YES' ) ? '_' : '';
1074 (($Ld_main) ? ( '-u', "${uscore}Main_" . $Ld_main . '_closure' ) : ()));
1076 # things that are referenced by the RTS - make sure that we pull 'em in
1078 ( '-u', "${uscore}PrelBase_Izh_static_info"
1079 ,'-u', "${uscore}PrelBase_Czh_static_info"
1080 ,'-u', "${uscore}PrelBase_Fzh_static_info"
1081 ,'-u', "${uscore}PrelBase_Dzh_static_info"
1082 ,'-u', "${uscore}PrelAddr_Azh_static_info"
1083 ,'-u', "${uscore}PrelAddr_Wzh_static_info"
1084 ,'-u', "${uscore}PrelAddr_I64zh_static_info"
1085 ,'-u', "${uscore}PrelAddr_W64zh_static_info"
1086 ,'-u', "${uscore}PrelStable_StablePtr_static_info"
1087 ,'-u', "${uscore}PrelBase_Izh_con_info"
1088 ,'-u', "${uscore}PrelBase_Czh_con_info"
1089 ,'-u', "${uscore}PrelBase_Fzh_con_info"
1090 ,'-u', "${uscore}PrelBase_Dzh_con_info"
1091 ,'-u', "${uscore}PrelAddr_Azh_con_info"
1092 ,'-u', "${uscore}PrelAddr_Wzh_con_info"
1093 ,'-u', "${uscore}PrelAddr_I64zh_con_info"
1094 ,'-u', "${uscore}PrelAddr_W64zh_con_info"
1095 ,'-u', "${uscore}PrelStable_StablePtr_con_info"
1096 ,'-u', "${uscore}PrelBase_False_static_closure"
1097 ,'-u', "${uscore}PrelBase_True_static_closure"
1098 ,'-u', "${uscore}PrelPack_unpackCString_closure"
1099 ,'-u', "${uscore}PrelException_stackOverflow_closure"
1100 ,'-u', "${uscore}PrelException_heapOverflow_closure"
1101 ,'-u', "${uscore}PrelException_NonTermination_static_closure"
1103 if (!$NoHaskellMain) {
1104 unshift (@Ld_flags,'-u', "${uscore}PrelMain_mainIO_closure");
1106 if ($PROFing ne '') {
1107 unshift (@Ld_flags,'-u', "${uscore}_regPrelude");
1109 if ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
1110 # sometimes we have lots of toc entries...
1111 # unshift(@Ld_flags, ('-Xlinker -bbigtoc -Xlinker -bnoquiet'));
1112 unshift(@Ld_flags, ('-Xlinker -bbigtoc'));
1116 } # end of setupLinkOpts
1120 %************************************************************************
1122 \subsection{Set up include paths and system-library enslurpment}
1124 %************************************************************************
1126 Now that we know what garbage-collector, etc., are required, we can
1127 finalise our list of libraries to slurp through, and generally Get
1132 # default includes must be added AFTER option processing
1133 if ( ! $INSTALLING ) {
1134 push (@Include_dir, "$TopPwd/${CURRENT_DIR}/${GHC_INCLUDE_DIR}");
1136 push (@Include_dir, "$InstLibDirGhc/includes");
1137 push (@Include_dir, "$InstLibDirGhc/includes");
1139 } # end of setupIncPaths
1144 push(@SysLibrary, ( '-lHS', '-lHS_cbits' )); # basic I/O and prelude stuff
1147 foreach $f (@SysLibrary) {
1148 next if $f =~ /_cbits/;
1149 $f .= $BuildTag if $f =~ /^-lHS/;
1152 # Push library HSrts, plus boring clib bit
1153 push(@SysLibrary, "-lHSrts${BuildTag}");
1156 # RTS compiled with cygwin32, uses the WinMM API
1157 # to implement the itimers, since cygwin.dll does not
1158 # support it. Only reqd. for `ways' that use itimers.
1160 push(@SysLibrary, '-lwinmm') if ($TargetPlatform =~ /-(mingw32|cygwin32)$/);
1161 # Note: currently only tested with mingw, may cause conflicts when linking
1163 push(@SysLibrary, '-lwsock32') if ($TargetPlatform =~ /-(mingw32|cygwin32)$/);
1165 # Push the pvm libraries
1166 if ($BuildTag eq '_mp') {
1167 $pvmlib = "$ENV{'PVM_ROOT'}/lib/$ENV{'PVM_ARCH'}";
1168 push(@SysLibrary, "-L$pvmlib", '-lgpvm3', '-lpvm3');
1169 if ( $ENV{'PVM_ARCH'} eq 'SUNMP' ) {
1170 push(@SysLibrary, '-lthread', '-lsocket', '-lnsl');
1171 } elsif ( $ENV{'PVM_ARCH'} eq 'SUN4SOL2' ) {
1172 push(@SysLibrary, '-lsocket', '-lnsl');
1176 # Push the GNU multi-precision arith lib; and the math library
1178 # If this machine has GMP already installed, then we'll get the installed
1179 # lib here, because presumably the one in the tree won't have been built.
1181 if ($LibGmp eq 'not-installed') {
1182 push(@SysLibrary, "-lgmp");
1184 push(@SysLibrary, "-l$LibGmp");
1187 push(@SysLibrary, '-lm') if !( $TargetPlatform =~ /^.*(cygwin32|mingw32)$/ );
1190 %************************************************************************
1192 \subsection{Check that this system was built to do what we are asking}
1194 %************************************************************************
1196 Before continuing we check that the appropriate build is available.
1199 #die "$Pgm: no BuildAvail?? $BuildTag\n" if $BuildDescr{$BuildTag} eq '' ; # sanity
1201 if ( $BuildDescr{$BuildTag} eq '' ) {
1202 print STDERR "$Pgm: a `", $BuildDescr{$BuildTag},
1203 "' \"build\" is not available with your GHC setup.\n";
1204 print STDERR "(It was not configured for it at your site.)\n";
1205 print STDERR $ShortUsage;
1209 } # end of setupSyslibs
1213 %************************************************************************
1215 \subsection{Final miscellaneous setup bits before we start going}
1217 %************************************************************************
1219 Record largest specific heapsize, if any.
1221 sub setupHeapStackSize {
1222 $Specific_heap_size = $Specific_heap_size * $Scale_sizes_by;
1223 push(@HsC_rts_flags, '-H'.$Specific_heap_size);
1224 $Specific_stk_size = $Specific_stk_size * $Scale_sizes_by;
1225 push(@HsC_rts_flags, "-K$Specific_stk_size");
1229 If no input or link files seen, then we let 'em feed in stdin; this is
1230 mainly for debugging.
1234 if ($#Input_file < 0 && $#Link_file < 0) {
1235 @Input_file = ( '-' );
1237 open(INF, "> $Tmp_prefix.hs") || &tidy_up_and_die(1,"Can't open $Tmp_prefix.hs\n");
1238 print STDERR "Enter your Haskell program, end with ^D (on a line of its own):\n" if -t;
1239 while (<STDIN>) { print INF $_; }
1240 close(INF) || &tidy_up_and_die(1,"Failed writing to $Tmp_prefix.hs\n");
1245 Tell the world who we are, if they asked.
1247 print STDERR "${ProjectName}, version ${ProjectVersion}\n" if $Verbose;
1250 %************************************************************************
1252 \section[Driver-main-loop]{Main loop: Process input files, and link if required}
1254 %************************************************************************
1256 Process the input files; don't continue with linking if there are
1257 problems (global variable @$Status@ non-zero).
1259 foreach $ifile (@Input_file) {
1260 &ProcessInputFile($ifile);
1263 # don't link if there were errors...
1264 if ( $Status > 0 ) {
1265 print STDERR $ShortUsage;
1270 # Link if appropriate.
1271 &runLinker() if $Do_lnkr;
1273 # that... that's all, folks!
1275 exit $Status; # will still be 0 if all went well
1278 %************************************************************************
1280 \section[Driver-do-one-file]{How to process a single input file}
1282 %************************************************************************
1285 sub ProcessInputFile {
1286 local($ifile) = @_; # input file name
1287 local($ifile_root); # root of or basename of input file
1288 local($ofile_target); # ultimate output file we hope to produce
1289 # from input file (need to know for recomp
1290 # checking purposes)
1291 local($hifile_target);# ditto (but .hi file)
1292 local($ofile_c_stub_target);
1293 local($ofile_h_stub_target);
1296 Handle the weirdity of input from stdin.
1298 if ($ifile ne '-') {
1299 ($ifile_root = $ifile) =~ s/\.[^\.\/]+$//;
1300 $ofile_target = # may be reset later...
1301 ($Specific_output_file ne '' && ! $Do_lnkr)
1302 ? $Specific_output_file
1303 : &odir_ify($ifile_root, 'o');
1304 $hifile_target= ($Specific_hi_file ne '')
1306 : "$ifile_root.$HiSuffix"; # ToDo: odirify?
1307 # NB: may change if $ifile_root isn't module name (??)
1308 ($ofile_c_stub_target = $ifile) =~s/\.[^\.\/]+$/_stub.c/;
1309 ($ofile_h_stub_target = $ifile) =~s/\.[^\.\/]+$/_stub.h/;
1311 $ifile = "$Tmp_prefix.hs"; # we know that's where we put the input
1312 $ifile_root = '_stdin';
1313 $ofile_target = '_stdout'; # gratuitous?
1314 $hifile_target= '_stdout'; # ditto?
1318 We need to decide what phases of the compilation system we will run
1319 over this file. The defaults are the ones established when processing
1320 flags. (That established what the last phase run for all files is.)
1322 We do the pre-recompilation-checker phases here; the rest later.
1326 Look at the suffix and decide what initial phases of compilation may
1327 be dropped off for this file. Also the rather boring business of
1328 which files are coming-in/going-out.
1330 Again, we'll do the post-recompilation-checker parts of this later.
1332 local($do_lit2pgm) = ($ifile =~ /\.lhs$/) ? 1 : 0;
1333 local($do_hscpp) = 1; # but "hscpp" might really be "cat"
1336 # names of the files to stuff between phases
1337 # defaults are temporaries
1338 local($in_lit2pgm) = $ifile;
1339 local($lit2pgm_hscpp) = "$Tmp_prefix.lpp";
1340 local($hscpp_hsc) = "$Tmp_prefix.cpp";
1341 local($hsc_hi) = "$Tmp_prefix.hi";
1342 local($cc_as_o) = "${Tmp_prefix}_o.s"; # temporary for raw .s file if opt C
1343 local($cc_as) = "$Tmp_prefix.s"; # mangled or hsc-produced .s code
1344 local($as_out) = $ofile_target;
1346 local($is_hc_file) = 1; #Is the C code .hc or .c? Assume .hc for now
1348 # OK, let's strip off some literate junk..
1350 &runLit2pgm($in_lit2pgm, $lit2pgm_hscpp)
1352 $lit2pgm_hscpp = $ifile;
1358 # Scan the top of the de-litted file for {-# OPTIONS #-} pragmas
1359 &check_for_source_options($lit2pgm_hscpp,$ifile);
1361 # Options found in the source file take a back seat, i.e., we scan
1362 # them first. Only process the command line again if source file
1363 # contained anything of interest *or* there's more than one
1364 # input file (we have to reset the options).
1366 if ( $#Input_file >= 0 || $#File_options >= 0) {
1367 #@File_options = (@File_options, @Cmd_opts);
1369 # Now process the command line
1370 &initDriverGlobals();
1371 &processArgs((@File_options,@Cmd_opts));
1372 print STDERR "\nEffective command line: " .
1373 join(' ',(@File_options,@Cmd_opts)) . "\n" if $Verbose;
1376 # Having got the effective command line scanned, set up
1377 # the various options in prep for some real work.
1379 # check the sanity of the BuildTag we're about to use,
1380 # and if needs be, add some more flags and setup to
1381 # the different phases.
1384 &setupOptimiseFlags();
1387 &setupWarningFlags();
1388 &setupHeapStackSize();
1391 # These two variables need to be set after the
1392 # command-line has been processed and the build options
1393 # have be seen set up. This is because command-line options
1394 # can control whether to compile vias C or not.
1396 local($do_cc) = ( $Do_cc != -1) # i.e., it was set explicitly
1398 : ( ($HscOut eq '-C=') ? 1 : 0 );
1399 local($do_as) = $Do_as;
1400 local($hsc_out) = ( $HscOut eq '-C=' ) ? "$Tmp_prefix.hc" : "$Tmp_prefix.s" ;
1401 local($hsc_out_c_stub) = ( $HscOut eq '-C=' ) ? "${Tmp_prefix}_stb.c" : "";
1402 local($hsc_out_h_stub) = ( $HscOut eq '-C=' ) ? "${Tmp_prefix}_stb.h" : "";
1404 if ($Only_preprocess_hc) { # stop after having run $Cc -E
1407 if ($Only_preprocess_C) { # stop after having run $hscpp
1408 $do_hsc=0; $do_cc = 0; $do_as=0;
1409 } elsif ($ifile =~ /.lhs$/ || $ifile =~ /.hs$/ ) {
1411 } elsif ($ifile =~ /\.hc$/ || $ifile =~ /_hc$/ ) { # || $ifile =~ /\.$Isuffix$/o) # ToDo: better
1412 $do_hscpp = 0; $do_hsc = 0; $do_cc = 1;
1414 $hsc_out_c_stub = '';
1415 $hsc_out_h_stub = '';
1416 } elsif ($ifile =~ /\.c$/) {
1417 $do_hscpp = 0; $do_hsc = 0; $do_cc = 1;
1418 $hsc_out = $ifile; $is_hc_file = 0;
1419 $hsc_out_c_stub = '';
1420 $hsc_out_h_stub = '';
1421 } elsif ($ifile =~ /\.[sS]$/) {
1422 $do_hscpp = 0; $do_hsc = 0; $do_cc = 0;
1424 } else { # don't know what it is, but nothing to do herein...
1425 $do_hscpp = 0; $do_hsc = 0; $do_cc = 0; $do_as = 0;
1428 # hack to avoid running hscpp
1429 $HsCpp = $Cat if ! $Cpp_flag_set;
1431 &runHscpp($in_lit2pgm, $lit2pgm_hscpp, $hscpp_hsc) if $do_hscpp;
1435 We now think about whether to run hsc/cc or not (when hsc produces .s
1436 stuff, it effectively takes the place of both phases).
1437 To get the output file name right: for each phase that we are {\em
1438 not} going to run, set its input (i.e., the output of its preceding
1439 phase) to @"$ifile_root.<suffix>"@.
1442 local($going_interactive) = $HscOut eq '-N=' || $ifile_root eq '_stdin';
1445 # Warning issued if -keep-hc-file-too is used without
1446 # -fvia-C (or the equivalent)
1448 if ( $HscOut ne '-C=' && $Keep_hc_file_too ) {
1449 print STDERR "$Pgm: warning: Native code generator to be used, -keep-hc-file-too will be ignored\n";
1452 if (! $do_cc && ! $do_as) { # stopping after hsc
1453 $hsc_out = ($Specific_output_file ne '')
1454 ? $Specific_output_file
1455 : &odir_ify($ifile_root, ($HscOut eq '-C=') ? 'hc' : 's');
1457 $ofile_target = $hsc_out; # reset
1460 if (! $do_as) { # stopping after gcc (or hsc)
1461 $cc_as = ($Specific_output_file ne '')
1462 ? $Specific_output_file
1463 : &odir_ify($ifile_root, ( $Only_preprocess_hc ) ? 'i' : 's');
1465 $ofile_target = $cc_as; # reset
1471 Now the Haskell compiler, C compiler, and assembler
1475 &runHscAndProcessInterfaces( $ifile, $hscpp_hsc, $ifile_root,
1476 $ofile_target, $hifile_target,
1477 $going_interactive);
1480 if (-f $hsc_out_h_stub) {
1481 &run_something("cp $hsc_out_h_stub $ofile_h_stub_target", 'Copy foreign export header file');
1484 if (-f $hsc_out_c_stub) {
1485 &run_something("rm -f $ofile_c_stub_target && echo '#include \"${ofile_h_stub_target}\"' > $ofile_c_stub_target && cat $hsc_out_c_stub >> $ofile_c_stub_target", 'Copy foreign export C stubs');
1486 local ($hsc_out_s_stub);
1487 local ($hsc_out_o_stub);
1488 ($ofile_s_stub_target = $ofile_c_stub_target) =~ s/\.(.*)$/\.s/;
1489 ($ofile_o_stub_target = $ofile_c_stub_target) =~ s/\.(.*)$//;
1491 $ofile_o_stub_target = &osuf_ify($ofile_o_stub_target, "o");
1493 &runGcc (0, $ofile_c_stub_target, $ofile_s_stub_target);
1494 &runAs ($ofile_o_stub_target, $ofile_s_stub_target);
1497 # Bring the C stub protos into scope when compiling the .hc file.
1499 push (@CcInjects, "#include \"${hsc_out_h_stub}\"\n");
1500 # Hack - ensure that the stub .h file is included in the OPTIONS section
1501 # if the .hc file is saved.
1502 push (@File_options, "-#include \"${ofile_h_stub_target}\"\n");
1507 &runGcc ($is_hc_file, $hsc_out, $cc_as_o);
1508 &runMangler($is_hc_file, $cc_as_o, $cc_as, $ifile_root) if ! $Only_preprocess_hc;
1511 &split_asm_file($cc_as) if $do_as && $SplitObjFiles;
1513 # save a copy of the .s file..
1514 &saveIntermediate($ifile_root , "s" , $cc_as) if ($do_as && $Keep_s_file_too);
1515 &runAs($as_out, $ifile_root) if $do_as;
1518 Finally, decide what to queue up for linker input.
1520 # tentatively assume we will eventually produce linker input:
1521 push(@Link_file, &odir_ify($ifile_root, 'o'));
1523 #ToDo: local($or_isuf) = ($Isuffix eq '') ? '' : "|$Isuffix";
1525 if ( $ifile !~ /\.(lhs|hs|hc|c|s|a|S)$/ && $ifile !~ /_hc$/ ) {
1526 # There's sometimes confusion regarding .hi files; users
1527 # supplying them on the command line.
1528 if ( $ifile =~ /\.hi$/ ) {
1529 print STDERR "$Pgm: warning: found `$ifile' on command line; interface files should not be supplied here - ignoring it.\n";
1531 print STDERR "$Pgm: don't recognise suffix on `$ifile'; passing it through to linker\n";
1533 # oops; we tentatively pushed the wrong thing; fix & do the right thing
1534 pop(@Link_file); push(@Link_file, $ifile);
1538 } # end of ProcessInputFile
1541 %************************************************************************
1543 \section[Driver-run-phases]{Routines to run the various phases}
1545 %************************************************************************
1549 local($in_lit2pgm, $lit2pgm_hscpp) = @_;
1553 # Only add #line pragma if we're going to need it.
1554 $to_do = "echo '#line 1 \"$in_lit2pgm\"' > $lit2pgm_hscpp && " if ($Cpp_flag_set);
1555 $to_do .= "$Unlit @Unlit_flags $in_lit2pgm - >> $lit2pgm_hscpp";
1557 push(@Files_to_tidy, $lit2pgm_hscpp );
1559 &run_something($to_do, 'literate pre-processor');
1565 local($in_lit2pgm, $lit2pgm_hscpp, $hscpp_hsc) = @_;
1569 # Strictly speaking, echoing of the following line pragma is only required
1570 # on non-delit'ed input, as we've already added it during de-lit. However,
1571 # hscpp will then add a {-# LINE 1 "$lit2pgm_hsc" -} to the top of the file,
1572 # which is not very informative (but harmless). Hence, we uniformly have
1573 # {-# LINE 1 "$in_lit2pgm" #-} as the first line to all cpp'ed hsc input.
1575 $to_do = "echo '{-# LINE 1 \"$in_lit2pgm\" -}' > $hscpp_hsc && ";
1577 if ($HsCpp eq $Cat) {
1578 $to_do .= "$HsCpp $lit2pgm_hscpp >> $hscpp_hsc";
1579 push(@Files_to_tidy, $hscpp_hsc );
1580 &run_something($to_do, 'Ineffective C pre-processor');
1582 local($includes) = '-I' . join(' -I',@Include_dir);
1583 $to_do .= "$HsCpp $Verbose @HsCpp_flags @HsSourceCppOpts $includes $lit2pgm_hscpp >> $hscpp_hsc";
1584 push(@Files_to_tidy, $hscpp_hsc );
1585 &run_something($to_do, 'Haskellised C pre-processor');
1588 if ( $Only_preprocess_C ) {
1589 $to_do = "$Cat $hscpp_hsc";
1590 &run_something($to_do, '');
1598 sub runHscAndProcessInterfaces {
1599 local($ifile, $hscpp_hsc, $ifile_root,
1600 $ofile_target, $hifile_target,
1601 $going_interactive) = @_;
1603 # $ifile is the original input file
1604 # $hscpp_hsc post-unlit, post-cpp, etc., input file
1605 # $ifile_root input filename minus suffix
1606 # $ofile_target the output file that we ultimately hope to produce
1607 # $hifile_target the .hi file ... (ditto)
1609 local($source_unchanged) = 1;
1611 # Check if the source file is up to date relative to the target; in
1612 # that case we say "source is unchanged" and let the compiler bail out
1613 # early if the import usage information allows it.
1615 ($i_dev,$i_ino,$i_mode,$i_nlink,$i_uid,$i_gid,$i_rdev,$i_size,
1616 $i_atime,$i_mtime,$i_ctime,$i_blksize,$i_blocks) = stat($ifile);
1618 # The informational messages below are now conditional on -v being set -- SOF
1619 if ( $ofile_target ne "_stdin.s" && ! -f $ofile_target ) {
1620 print STDERR "$Pgm:compile:Output file $ofile_target doesn't exist\n" if $Verbose;
1621 $source_unchanged = 0;
1624 ($o_dev,$o_ino,$o_mode,$o_nlink,$o_uid,$o_gid,$o_rdev,$o_size,
1625 $o_atime,$o_mtime,$o_ctime,$o_blksize,$o_blocks) = stat(_); # stat info from -f test
1627 if ( $hifile_target ne "_stdout" && ! -f $hifile_target ) {
1628 print STDERR "$Pgm:compile:Interface file $hifile_target doesn't exist\n" if $Verbose;
1629 $source_unchanged = 0;
1632 ($hi_dev,$hi_ino,$hi_mode,$hi_nlink,$hi_uid,$hi_gid,$hi_rdev,$hi_size,
1633 $hi_atime,$hi_mtime,$hi_ctime,$hi_blksize,$hi_blocks) = stat(_); # stat info from -f test
1635 if ( $ofile_target ne "_stdin.s" && $i_mtime > $o_mtime) {
1636 print STDERR "$Pgm:recompile:Input file $ifile newer than $ofile_target\n" if $Verbose;
1637 $source_unchanged = 0;
1640 # Tell the compiler which version we're using
1641 push(@HsC_flags, "-fhi-version=${ProjectVersionInt}");
1643 # So if source_unchanged is still "1", we pass on the good news to the compiler
1644 # The -recomp flag can disable this, forcing recompilation
1645 if ($Do_recomp_chkr && $source_unchanged) {
1646 push(@HsC_flags, '-fsource-unchanged');
1649 # Indicate whether we're static or not.
1650 # This will only ever
1651 push(@HsC_flags, '-static') if $Static;
1655 &runHsc($ifile_root, $hsc_out, $hsc_hi, $hsc_out_c_stub, $hsc_out_h_stub, $going_interactive);
1657 # See if it bailed out early, saying nothing needed doing.
1658 # We work this out by seeing if it created an output .hi file
1660 if ( ! -f $hsc_hi && $ProduceHi !~ /-nohifile=/ ) {
1661 # Doesn't exist, so we bailed out early.
1662 # Tell the C compiler and assembler not to run
1663 $do_cc = 0; $do_as = 0;
1665 # Update dependency info, touch both object file and
1666 # interface file, so that the following invariant is
1669 # a dependent module's interface file should after recompilation
1670 # checking be newer than the interface files of its imports.
1672 # That is, if module A's interface file changes, then module B
1673 # (which import from A) needs to be checked.
1674 # If A's change does not affect B, which causes the compiler to bail
1675 # out early, we still need to touch the interface file of B. The reason
1676 # for this is that B may export A's interface.
1678 &run_something("touch $ofile_target",
1679 "Touch $ofile_target, to propagate dependencies") if $HscOut ne '-N=';
1680 &run_something("touch $hifile_target",
1681 "Touch $hifile_target, to propagate dependencies") if $ProduceHi =~ /-nohifile=/ ;
1685 # Didn't bail out early (new .hi file) so we thunder on
1687 # If non-interactive, heave in the consistency info at the end
1688 # NB: pretty hackish (depends on how $output is set)
1689 if ( ! $going_interactive ) {
1690 if ( $HscOut eq '-C=' ) {
1691 $to_do = "echo 'static char ghc_hsc_ID[] = \"\@(#)hsc $ifile\t$HsC_major_version.$HsC_minor_version,$HsC_consist_options\";' >> $hsc_out";
1693 } elsif ( $HscOut eq '-S=' ) {
1694 local($consist) = "hsc.$ifile.$HsC_major_version.$HsC_minor_version.$HsC_consist_options";
1695 $consist =~ s/,/./g;
1696 $consist =~ s/\//./g;
1697 $consist =~ s/-/_/g;
1698 $consist =~ s/[^A-Za-z0-9_.]/ZZ/g; # ToDo: properly?
1699 $to_do = "echo '\n\t.text\n$consist:' >> $hsc_out";
1701 &run_something($to_do, 'Pin on Haskell consistency info');
1705 # Interface-handling is important enough to live off by itself
1706 if ( $ProduceHi !~ /-nohifile=/ ) { # If we've produced one, process it.
1707 require('ghc-iface.prl') || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-iface.prl!\n");
1708 &postprocessHiFile($hsc_hi, $hifile_target, $going_interactive);
1710 # if we're going to split up object files,
1711 # we inject split markers into the .hc file now
1712 if ( $HscOut eq '-C=' && $SplitObjFiles ) {
1713 &inject_split_markers ( $hsc_out );
1716 # save a copy of the .hc file, even if we are carrying on...
1717 if ($HscOut eq '-C=' && $do_cc && $Keep_hc_file_too) {
1718 &saveIntermediate($ifile_root , "hc" , $hsc_out);
1728 local($ifile_root, $hsc_out, $hsc_hi, $hsc_out_c_stub, $hsc_out_h_stub, $going_interactive) = @_;
1730 &makeHiMap() unless $HiMapDone;
1731 push(@HsC_flags, "\"-himap=$HiIncludeString\"");
1732 push(@HsC_flags, "\"-himap-sep=${SplitMarker}\"");
1734 # here, we may produce .hc/.s and/or .hi files
1735 local($output) = '';
1736 #@Files_to_tidy = ();
1738 if ( $going_interactive ) {
1739 # don't need .hi unless we're going to show it on stdout:
1740 $ProduceHi = '-nohifile=' if ! ($HiOnStdout || $Specific_hi_file ne '' );
1741 $do_cc = 0; $do_as = 0; $Do_lnkr = 0; # and we won't go any further...
1744 # set up for producing output/.hi; note that flag twiddling
1745 # may mean that nothing will actually be produced:
1746 $output = "$ProduceHi$hsc_hi $HscOut$hsc_out -F=$hsc_out_c_stub -FH=$hsc_out_h_stub";
1747 push(@Files_to_tidy, $hsc_hi, $hsc_out, $hsc_out_c_stub, $hsc_out_h_stub );
1749 # if we're compiling foo.hs, we want the GC stats to end up in foo.stat
1750 if ( $CollectingGCstats ) {
1751 push(@HsC_rts_flags, "-S$ifile_root.stat");
1752 push(@Files_to_tidy, "$ifile_root.stat");
1755 if ( $CollectGhcTimings ) { # assume $RTS_style eq 'ghc'
1756 # emit nofibbish time/bytes-alloc stats to stderr;
1757 # see later .stat file post-processing
1758 print STDERR "warning: both -Rgc-stats and -Rghc-timing used, -Rghc-timing wins." if $CollectingGCstats;
1759 push(@HsC_rts_flags, "-S$Tmp_prefix.stat");
1760 push(@Files_to_tidy, "$Tmp_prefix.stat");
1764 if ($Specific_dump_file ne '') {
1765 $dump = "2>> $Specific_dump_file";
1766 $Using_dump_file = 1;
1770 # Win32 only: If the command processor used by system()
1771 # exec()s the application as an ordinary Win32 executable,
1772 # we're in trouble here, since the command line is likely
1773 # to be > 255 chars long. To work around this situation,
1774 # $HsC also understands `at-files', i.e., `@file' on the
1775 # command line will cause $HsC to add the contents of `file'
1776 # to the command line.
1778 # [ Note: support for `at-files' is not compiled in by default ]
1779 $cmd_line_opts_via_at_file=0;
1780 if ($cmd_line_opts_via_at_file) {
1782 local($to_do_opts) = "$Tmp_prefix.opts";
1783 open(OPTS, "> $Tmp_prefix.opts") || &tidy_up_and_die(1,"Can't open $Tmp_prefix.opts\n");
1784 print OPTS "$dump @HsC_flags $CoreLint $USPLint $StgLint $Verbose";
1786 $to_do = "$HsC $hscpp_hsc \@$Tmp_prefix.opts $output +RTS @HsC_rts_flags";
1790 $to_do = "$HsC $hscpp_hsc $dump @HsC_flags $CoreLint $USPLint $StgLint $Verbose $output +RTS @HsC_rts_flags";
1792 &run_something($to_do, 'Haskell compiler');
1794 # finish business w/ nofibbish time/bytes-alloc stats
1795 &process_ghc_timings() if $CollectGhcTimings;
1799 Use \tr{@Import_dir} and \tr{@SysImport_dir} to make a tmp file
1800 of (module-name, pathname) pairs, one per line, separated by a space.
1803 $HiIncludeString = (); # dir1:dir2:dir3, to pass to GHC
1807 # collect in %HiMap; write later; also used elsewhere in driver
1809 local($mod, $path, $d, $e);
1811 # reset the global variables:
1813 $HiIncludeString = (); # dir1:dir2:dir3, to pass to GHC
1815 foreach $d ( @Import_dir ) {
1816 if ($HiIncludeString) {
1817 $HiIncludeString = "$HiIncludeString${SplitMarker}${d}%.${HiSuffix}";
1819 $HiIncludeString = "$d%.${HiSuffix}";
1824 foreach $d ( @SysImport_dir ) {
1825 if ($HiIncludeString) {
1826 $HiIncludeString = "$HiIncludeString${SplitMarker}${d}%.${HiSuffix_prelude}";
1828 $HiIncludeString = "${d}%.${HiSuffix_prelude}";
1837 Invoke the 'linker' - either the standard linker or the one used to build
1843 local($libdirs) = '';
1845 # append last minute flags linker and consistency flags
1850 # glue them together:
1851 push(@UserLibrary_dir, @SysLibrary_dir);
1853 $libdirs = '-L' . join(' -L',@UserLibrary_dir) if $#UserLibrary_dir >= 0;
1855 # for a linker, use an explicitly given one, or the going C compiler ...
1856 local($lnkr) = ( $Lnkr ) ? $Lnkr : $CcRegd;
1858 if ( ($Specific_output_file eq '') &&
1859 ($TargetPlatform eq 'i386-unknown-cygwin32') ) {
1860 $Specific_output_file = 'main.exe';
1861 print STDERR "Output file not specified, defaulting to \"main.exe\"\n";
1864 local($output) = ($Specific_output_file ne '') ? "-o $Specific_output_file" : '';
1865 @Files_to_tidy = ($Specific_output_file ne '') ? $Specific_output_file : 'a.out';
1867 &prepareWin32DllLink(1);
1869 local($to_do) = "$lnkr $Verbose @Ld_flags $output @Link_file $libdirs @UserLibrary @SysLibrary";
1870 &run_something($to_do, 'Linker');
1872 # finally, check the consistency info in the binary
1873 local($executable) = $Files_to_tidy[0];
1874 @Files_to_tidy = (); # reset; we don't want to nuke it if it's inconsistent
1877 # dynamically load consistency-chking code; then do it.
1878 require('ghc-consist.prl')
1879 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-consist.prl!\n");
1881 &chk_consistency_info ( $executable );
1884 # if PVM parallel stuff, we do truly weird things.
1885 # Essentially: (1) move the executable over to where PVM expects
1886 # to find it. (2) create a script in place of the executable
1887 # which will cause the program to be run, via SysMan.
1888 if ( $PARing eq 'p' ) {
1889 local($pvm_executable) = $executable;
1890 local($pvm_executable_base);
1892 if ( $pvm_executable !~ /^\// ) { # a relative path name: make absolute
1893 local($pwd) = `pwd`;
1895 $pwd =~ s/^\/tmp_mnt//;
1896 $pvm_executable = "$pwd/$pvm_executable";
1899 $pvm_executable =~ s|/|=|g; # make /s into =s
1900 $pvm_executable_base = $pvm_executable;
1902 $pvm_executable = $ENV{'PVM_ROOT'} . '/bin/' . $ENV{'PVM_ARCH'}
1903 . "/$pvm_executable";
1905 &run_something("$Rm -f $pvm_executable; $Cp -p $executable $pvm_executable && $Rm -f $executable", 'Moving binary to PVM land');
1907 # OK, now create the magic script for "$executable"
1908 open(EXEC, "> $executable") || &tidy_up_and_die(1,"$Pgm: couldn't open $executable to write!\n");
1909 print EXEC <<EOSCRIPT1;
1910 eval 'exec perl -S \$0 \${1+"\$@"}'
1911 if \$running_under_some_shell;
1912 # =!=!=!=!=!=!=!=!=!=!=!
1913 # This script is automatically generated: DO NOT EDIT!!!
1914 # Generated by Glasgow Haskell, version ${ProjectVersion}
1916 \$pvm_executable = '$pvm_executable';
1917 \$pvm_executable_base = '$pvm_executable_base';
1918 \$SysMan = '$SysMan';
1921 print EXEC <<\EOSCRIPT2;
1922 # first, some magical shortcuts to run "commands" on the binary
1924 if ($#ARGV == 1 && $ARGV[0] eq '+RTS' && $ARGV[1] =~ /^--((size|file|strip|rm|nm).*)/ ) {
1926 system("$cmd $pvm_executable");
1930 # OK, really run it; process the args first
1931 $ENV{'PE'} = $pvm_executable_base;
1933 $nprocessors = 2; # the default
1937 # ToDo: handle --RTS
1938 args: while ($a = shift(@ARGV)) {
1939 if ( $a eq '+RTS' ) {
1941 } elsif ( $a eq '-RTS' ) {
1944 if ( $a eq '-d' && $in_RTS_args ) {
1946 } elsif ( $a =~ /^-N(\d+)/ && $in_RTS_args ) {
1949 push(@nonPVM_args, $a);
1953 local($return_val) = 0;
1954 system("$SysMan $debug $pvm_executable $nprocessors @nonPVM_args");
1956 system("mv $ENV{'HOME'}/$pvm_executable_base.???.gr .") if -f "$ENV{'HOME'}/$pvm_executable_base.001.gr";
1959 close(EXEC) || die "Failed closing $executable\n";
1960 chmod 0755, $executable;
1968 # append last minute flags linker and consistency flags
1973 # glue them together:
1974 push(@UserLibrary_dir, @SysLibrary_dir);
1976 $libdirs = '-L' . join(' -L',@UserLibrary_dir) if $#UserLibrary_dir >= 0;
1978 &prepareWin32DllLink(0);
1980 local ($bld_dll) = "dllwrap";
1982 local ($output) = ($Specific_output_file ne '') ? "$Specific_output_file" : 'HSdll.dll';
1983 local ($output_dir);
1984 local ($output_file);
1985 local ($output_lib, $output_def);
1987 ($output_dir = $output) =~ s|(.*/)[^/]+$|$1|;
1988 $output_dir = "" if ($output_dir eq $output);
1989 ($output_file = $output) =~ s|.*/([^/]+)$|$1|;
1991 ($output_lib = $output_file) =~ s|(.+)\.[^\.]*$|${output_dir}lib$1_imp.a|;
1992 ($output_def = $output_file) =~ s|(.+)\.[^\.]*$|${output_dir}$1.def|;
1994 push (@Dll_flags, "-mno-cygwin --target=i386-mingw32") if ($TargetPlatform =~ /^.*mingw32$/);
1995 push (@Dll_flags, "--output-lib $output_lib");
1996 # If the "--def " option hasn't been supplied, assume everything
1997 # is going to be exported via the DLL.."
1998 if (!grep(/--def/, @Dll_flags)) {
1999 push (@Dll_flags, "--export-all --output-def $output_def");
2002 local($to_do) = "$bld_dll @Dll_flags -o $output @Link_file $libdirs @UserLibrary @SysLibrary";
2003 # Make sure the user sees this piece of magic.
2004 print STDERR "$to_do\n" if (!$Verbose);
2005 &run_something($to_do, 'DLL creator');
2008 sub prepareWin32DllLink
2010 local($linking_main) = @_;
2013 # Win32 DLLs - link with import libraries, not the real archives.
2015 if ( $TargetPlatform =~ /-mingw32$/ ) {
2018 # If the libraries have the form libHSfoo.a, we
2019 # transform that into libHSfoo_imp.a - the import
2020 # library of the DLL.
2022 foreach $a ( @SysLibrary ) {
2023 $a = "${a}_imp" if ($a =~ /^-lHS/);
2025 foreach $a ( @UserLibrary ) {
2026 $a = "${a}_imp" if ($a =~ /^-lHS/);
2028 push(@Link_file, ( $INSTALLING ) ? "$InstLibDirGhc/Main.dll_o"
2029 : "$TopPwd/$CURRENT_DIR/$GHC_RUNTIME_DIR/Main.dll_o") if $linking_main;
2030 push(@Link_file, ( $INSTALLING ) ? "$InstLibDirGhc/PrelMain.dll_o"
2031 : "$TopPwd/$CURRENT_DIR/$GHC_LIB_DIR/std/PrelMain.dll_o") if $linking_main;
2033 push(@Ld_flags, "-mno-cygwin");
2039 %************************************************************************
2041 \section[Driver-misc-utils]{Miscellaneous utilities}
2043 %************************************************************************
2045 %************************************************************************
2047 \subsection[Driver-odir-ify]{@odir_ify@: Mangle filename if \tr{-odir} set}
2049 %************************************************************************
2053 local($ofile,$def_suffix) = @_;
2055 return(($Osuffix eq '') ? "$ofile.$def_suffix" : "$ofile.$Osuffix" );
2059 local($orig_file, $def_suffix) = @_;
2060 if ($Specific_output_dir eq '') { # do nothing
2061 &osuf_ify($orig_file, $def_suffix);
2063 local ($orig_file_only);
2064 ($orig_file_only = $orig_file) =~ s|.*/||;
2065 &osuf_ify("$Specific_output_dir/$orig_file_only",$def_suffix);
2072 local($is_hc_file, $hsc_out, $cc_as_o) = @_;
2074 local($includes) = '-I' . join(' -I', @Include_dir);
2077 local($c_flags) = "@CcBoth_flags";
2078 local($ddebug_flag) = ( $DEBUGging ) ? '-DDEBUG' : '';
2080 $c_flags .= " -mno-cygwin" if ( $TargetPlatform =~ /-mingw32$/ );
2082 # "input" files to use that are not in some weird directory;
2083 # to help C compilers grok .hc files [ToDo: de-hackify]
2084 local($cc_help) = "ghc$$.c";
2085 local($cc_help_s) = "ghc$$.s";
2088 $s_output = (($is_hc_file && $DoAsmMangling) || $TargetPlatform =~ /^(powerpc|rs6000|hppa)/) ? $cc_as_o : $cc_as;
2089 $c_flags .= " @CcRegd_flags";
2090 $c_flags .= ($is_hc_file) ? " @CcRegd_flags_hc" : " @CcRegd_flags_c";
2092 # C compiler won't like the .hc extension. So we create
2093 # a tmp .c file which #include's the needful.
2094 open(TMP, "> $cc_help") || &tidy_up_and_die(1,"$Pgm: failed to open `$cc_help' (to write)\n");
2095 if ( $is_hc_file ) {
2099 # user may have asked for #includes to be injected...
2100 print TMP @CcInjects if $#CcInjects >= 0;
2102 # Straight .c files may want to know that they're being used
2103 # with a particular version of GHC, so we define __GLASGOW_HASKELL__ for their benefit.
2104 print TMP "#define __GLASGOW_HASKELL__ ${ProjectVersionInt}\n";
2106 # heave in the consistency info
2107 print TMP "static char ghc_cc_ID[] = \"\@(#)cc $ifile\t$Cc_major_version.$Cc_minor_version,$Cc_consist_options\";\n";
2109 print TMP "#include \"$hsc_out\"\n";
2110 close(TMP) || &tidy_up_and_die(1,"Failed writing to $cc_help\n");
2112 # Don't redirect stderr into intermediate file if slamming output onto stdout (e.g., with -E)
2113 local($fuse_stderr) = "2>&1" if ! $Only_preprocess_hc;
2114 local($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 )";
2116 if ( $Only_preprocess_hc ) { # HACK ALERT!
2117 $to_do =~ s/ -S\b//g;
2119 push(@Files_to_tidy, $cc_help, $cc_help_s, $s_output );
2120 $PostprocessCcOutput = 1 if ! $Only_preprocess_hc; # hack, dear hack...
2121 &run_something($to_do, 'C compiler');
2122 $PostprocessCcOutput = 0;
2123 if ( $Only_preprocess_hc ) {
2124 system("$Cat $Tmp_prefix.ccout");
2126 unlink($cc_help, $cc_help_s);
2132 local($is_hc_file, $cc_as_o, $cc_as, $ifile_root) = @_;
2134 print STDERR `cat $cc_as_o` if $Dump_raw_asm; # to stderr, before mangling
2136 if ($is_hc_file && $DoAsmMangling) {
2137 # dynamically load assembler-fiddling code, which we are about to use:
2138 require('ghc-asm.prl')
2139 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm.prl!\n");
2140 # post-process the assembler [.hc files only]
2141 &mangle_asm($cc_as_o, $cc_as);
2143 } elsif ($TargetPlatform =~ /^hppa/) {
2144 # minor mangling of non-threaded files for hp-pa only
2145 require('ghc-asm.prl')
2146 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm-hppa.prl!\n");
2147 &mini_mangle_asm_hppa($cc_as_o, $cc_as);
2149 } elsif ($TargetPlatform =~ /^powerpc|^rs6000/) {
2150 # minor mangling of non-threaded files for powerpcs and rs6000s
2151 require('ghc-asm.prl')
2152 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm-powerpc.prl!\n");
2153 &mini_mangle_asm_powerpc($cc_as_o, $cc_as);
2156 # save a copy of the .s file, even if we are carrying on...
2157 #if ($do_as && $Keep_s_file_too) {
2158 # &saveIntermediate($ifile_root , "s" , $cc_as);
2165 local($as_out, $ifile_root) = @_;
2167 local($asmblr) = ( $As ) ? $As : $CcRegd;
2169 # need to add the -I flags in case the file is going through cpp (.S files)
2170 local($includes) = '-I' . join(' -I', @Include_dir);
2172 if ( ! $SplitObjFiles ) {
2173 local($to_do) = "$asmblr -o $as_out -c @As_flags $includes $cc_as";
2174 push(@Files_to_tidy, $as_out );
2175 &run_something($to_do, 'Unix assembler');
2177 } else { # more complicated split-ification...
2179 # must assemble files $Tmp_prefix__[1 .. $NoOfSplitFiles].s
2181 # If -odir is used, great, just pin it in front of the
2182 # generated split file names. If it hasn't been set, we
2183 # snatch it from the ifile_root.
2187 if ( $Specific_output_dir eq '' ) {
2188 $Specific_output_dir = ${ifile_root};
2191 for ($f = 1; $f <= $NoOfSplitFiles; $f++ ) {
2192 local($split_out) = &odir_ify("${ifile_root}__${f}",'o');
2193 local($to_do) = "$asmblr -o $split_out -c @As_flags ${Tmp_prefix}__${f}.s";
2194 push(@Files_to_tidy, $split_out );
2196 &run_something($to_do, 'Unix assembler');
2202 %************************************************************************
2204 \subsection[Driver-run-something]{@run_something@: Run a phase}
2206 %************************************************************************
2210 local($str_to_do, $tidy_name) = @_;
2212 print STDERR "\n$tidy_name:\n\t" if $Verbose;
2213 print STDERR "$str_to_do\n" if $Verbose;
2215 if ($Using_dump_file) {
2216 open(DUMP, ">> $Specific_dump_file")
2217 || &tidy_up_and_die(1,"$Pgm: failed to open `$Specific_dump_file'\n");
2218 print DUMP "\nCompilation Dump for: $str_to_do\n\n";
2220 || &tidy_up_and_die(1,"$Pgm: failed closing `$Specific_dump_file'\n");
2223 local($return_val) = 0;
2225 if ( length($str_to_do) > 4000) {
2226 # 4000 - on the random side, just like the *real* ARG_MAX
2229 # With some shells, command lines of this length may
2230 # very well cause trouble. To safeguard against this, we squirrel the
2231 # command into a file and exec that.
2232 local ($sh) = $ENV{'REAL_SHELL'};
2233 print STDERR "Backup plan A: saving cmd line in ${Tmp_prefix}.sh and executing that with $sh\n" if $Verbose;
2234 open (TEMP, "> ${Tmp_prefix}.sh") ||
2235 &tidy_up_and_die(1,"$Pgm: failed to open `$Tmp_prefix.sh'\n");
2236 print TEMP "$Time $str_to_do\n";
2238 &tidy_up_and_die(1,"$Pgm: failed closing `$Tmp_prefix.sh'\n");
2239 system("$sh $Tmp_prefix.sh");
2242 unlink "${Tmp_prefix}.sh";
2244 system("$Time $str_to_do");
2248 if ( $PostprocessCcOutput ) { # hack, continued
2249 open(CCOUT, "< $Tmp_prefix.ccout")
2250 || &tidy_up_and_die(1,"$Pgm: failed to open `$Tmp_prefix.ccout'\n");
2252 next if /call-clobbered/;
2253 next if /control reaches end/;
2254 next if /from .*Stg\.h:/;
2255 next if /from ghc\d+.c:\d+:/;
2256 next if /: At top level:$/;
2257 next if /: In function \`.*\':$/;
2258 next if /\`ghc_cc_ID\' defined but not used/;
2261 close(CCOUT) || &tidy_up_and_die(1,"$Pgm: failed closing `$Tmp_prefix.ccout'\n");
2264 local($signal_num) = $? & 127;
2265 local($dumped_core) = $? & 128;
2267 if ($signal_num != 0) {
2268 print STDERR "$tidy_name received signal $signal_num";
2269 if ($dumped_core != 0) {
2270 print STDERR " (core dumped)";
2275 if ($return_val != 0) {
2276 if ($Using_dump_file) {
2277 print STDERR "Compilation Errors dumped in $Specific_dump_file\n";
2279 &tidy_up_and_die($return_val, '');
2282 $Using_dump_file = 0;
2286 %************************************************************************
2288 \subsection[Driver-ghc-timing]{Emit nofibbish GHC timings}
2290 %************************************************************************
2292 NB: nearly the same as in @runstdtest@ script.
2295 sub process_ghc_timings {
2296 local($StatsFile) = "$Tmp_prefix.stat";
2297 local($SysSpecificTiming) = 'ghc';
2299 open(STATS, $StatsFile) || die "Failed when opening $StatsFile\n";
2300 local($max_live) = 0;
2301 local($tot_live) = 0; # for calculating residency stuff
2302 local($tot_samples) = 0;
2305 if (! /Gen:\s+0/ && ! /Minor/ && /^\s*\d+\s+\d+\s+(\d+)\s+\d+\.\d+/ ) {
2306 $max_live = $1 if $max_live < $1;
2310 $BytesAlloc = $1 if /^\s*([0-9,]+) bytes allocated in the heap/;
2312 if ( /^\s*([0-9,]+) bytes maximum residency .* (\d+) sample/ ) {
2313 $MaxResidency = $1; $ResidencySamples = $2;
2316 $GCs = $1 if /^\s*([0-9,]+) (collections? in generation 0|garbage collections? performed)/;
2318 if ( /^\s+([0-9]+)\s+Mb total memory/ ) {
2322 # The presence of -? in the following pattern is only there to
2323 # accommodate 0.29 && <= 2.05 RTS'
2324 if ( /^\s*INIT\s+time\s*(\d+\.\d\d)s\s*\(\s*-?(\d+\.\d\d)s elapsed\)/ ) {
2325 $InitTime = $1; $InitElapsed = $2;
2326 } elsif ( /^\s*MUT\s+time\s*(\d+\.\d\d)s\s*\(\s*(\d+\.\d\d)s elapsed\)/ ) {
2327 $MutTime = $1; $MutElapsed = $2;
2328 } elsif ( /^\s*GC\s+time\s*(\d+\.\d\d)s\s*\(\s*(\d+\.\d\d)s elapsed\)/ ) {
2329 $GcTime = $1; $GcElapsed = $2;
2332 close(STATS) || die "Failed when closing $StatsFile\n";
2333 if ( $tot_samples > 0 ) {
2334 $ResidencySamples = $tot_samples;
2335 $MaxResidency = $max_live;
2336 $AvgResidency = int ($tot_live / $tot_samples) ;
2339 # warn about what we didn't find
2340 print STDERR "Warning: BytesAlloc not found in stats file\n" unless defined($BytesAlloc);
2341 print STDERR "Warning: GCs not found in stats file\n" unless defined($GCs);
2342 print STDERR "Warning: InitTime not found in stats file\n" unless defined($InitTime);
2343 print STDERR "Warning: InitElapsed not found in stats file\n" unless defined($InitElapsed);
2344 print STDERR "Warning: MutTime not found in stats file\n" unless defined($MutTime);
2345 print STDERR "Warning: MutElapsed not found in stats file\n" unless defined($MutElapsed);
2346 print STDERR "Warning: GcTime inot found in stats file\n" unless defined($GcTime);
2347 print STDERR "Warning: GcElapsed not found in stats file\n" unless defined($GcElapsed);
2349 # things we didn't necessarily expect to find
2350 $MaxResidency = 0 unless defined($MaxResidency);
2351 $AvgResidency = 0 unless defined($AvgResidency);
2352 $ResidencySamples = 0 unless defined($ResidencySamples);
2355 $BytesAlloc =~ s/,//g;
2356 $MaxResidency =~ s/,//g;
2358 $InitTime =~ s/,//g;
2359 $InitElapsed =~ s/,//g;
2361 $MutElapsed =~ s/,//g;
2363 $GcElapsed =~ s/,//g;
2365 # print out what we found
2366 print STDERR "<<$SysSpecificTiming: ",
2367 "$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)",
2368 " :$SysSpecificTiming>>\n";
2375 %************************************************************************
2377 \subsection[Driver-dying]{@tidy_up@ and @tidy_up_and_die@: Dying gracefully}
2379 %************************************************************************
2383 local($to_do) = "\n$Rm $Tmp_prefix*";
2384 if ( $Tmp_prefix !~ /^\s*$/ ) {
2385 print STDERR "$to_do\n" if $Verbose;
2390 sub tidy_up_and_die {
2391 local($return_val, $msg) = @_;
2393 # delete any files to tidy
2394 print STDERR "deleting... @Files_to_tidy\n" if $Verbose && $#Files_to_tidy >= 0;
2395 unlink @Files_to_tidy if $#Files_to_tidy >= 0;
2399 exit (($return_val == 0) ? 0 : 1);
2403 %************************************************************************
2405 \subsection[Driver-arg-with-arg]{@grab_arg_arg@: Do an argument with an argument}
2407 %************************************************************************
2409 Some command-line arguments take an argument, e.g.,
2410 \tr{-Rmax-heapsize} expects a number to follow. This can either be
2411 given a part of the same argument (\tr{-Rmax-heapsize8M}) or as the
2412 next argument (\tr{-Rmax-heapsize 8M}). We allow both cases.
2414 Note: no error-checking; \tr{-Rmax-heapsize -Rgc-stats} will silently
2415 gobble the second argument (and probably set the heapsize to something
2419 local(*Args, $option, $rest_of_arg) = @_;
2421 if ($rest_of_arg ne '') {
2422 return($rest_of_arg);
2423 } elsif ($#Args >= 0) {
2424 local($temp) = $Args[0]; shift(@Args);
2427 print STDERR "$Pgm: no argument following $option option\n";
2438 #Not in HsC_antiflag ## NO!: and not already in HsC_flags
2440 foreach $f ( @HsC_antiflags ) {
2441 return(0) if $flag eq $f;
2443 # foreach $f ( @HsC_flags ) {
2444 # return(0) if $flag eq $f;
2449 sub squashHscFlag { # pretty terrible
2453 foreach $f ( @HsC_flags ) {
2454 if ($flag eq $f) { $f = ''; }
2462 foreach $f ( @flags ) {
2463 push( @HsC_flags, $f ) if &isntAntiFlag($f);
2468 To add another system library, you'll need to augment the
2469 Supported_syslibs variable with name and info on your addition
2470 to the syslib family. The info bit consist of the following:
2472 - interface file directory
2473 see the misc or posix entry for how to distinguish
2474 between using installed and build tree directories.
2476 - directory location of archives
2478 - location of (way-independent) C support libs.
2479 not all libraries need this - if you don't, just
2480 give the empty string.
2481 - list of syslibs you depend on.
2483 - additional ghc command line flags that should be used.
2484 - additional C compiler command line flags that should be used.
2490 # Hash to keep track of
2491 %Syslibs_added = ();
2494 local($syslib) = @_;
2496 # Lifting this out of this sub brings it out of scope - why??
2497 %Supported_syslibs =
2499 [ # where to slurp interface files from
2501 ? "$InstLibDirGhc/imports/lang"
2502 : "$TopPwd/hslibs/lang:$TopPwd/hslibs/lang/monads"
2504 , # where to find the archive to use when linking
2507 : "$TopPwd/hslibs/lang"
2509 , # where to find the cbits archive to use when linking
2512 : "$TopPwd/hslibs/lang/cbits"
2514 , '' # Syslib dependencies
2515 , '' # extra ghc opts
2516 , '' # extra cc opts
2517 , '' # extra ld opts
2521 [ # where to slurp interface files from
2523 ? "$InstLibDirGhc/imports/concurrent"
2524 : "$TopPwd/hslibs/concurrent"
2526 , # where to find the archive to use when linking
2529 : "$TopPwd/hslibs/concurrent"
2531 , '' # where to find the cbits archive to use when linking
2532 , '' # Syslib dependencies
2533 , '' # extra ghc opts
2534 , '' # extra cc opts
2535 , '' # extra ld opts
2539 [ # where to slurp interface files from
2541 ? "$InstLibDirGhc/imports/data"
2542 : "$TopPwd/hslibs/data:$TopPwd/hslibs/data/edison:$TopPwd/hslibs/data/edison/Assoc:$TopPwd/hslibs/data/edison/Coll:$TopPwd/hslibs/data/edison/Seq"
2544 , # where to find the archive to use when linking
2547 : "$TopPwd/hslibs/data"
2549 , '' # where to find the cbits archive to use when linking
2550 , '' # Syslib dependencies
2551 , '' # extra ghc opts
2552 , '' # extra cc opts
2553 , '' # extra ld opts
2557 [ # where to slurp interface files from
2559 ? "$InstLibDirGhc/imports/net"
2560 : "$TopPwd/hslibs/net"
2562 , # where to find the archive to use when linking
2565 : "$TopPwd/hslibs/net"
2567 , # where to find the cbits archive to use when linking
2570 : "$TopPwd/hslibs/net/cbits"
2572 , 'lang text' # Syslib dependencies
2573 , '' # extra ghc opts
2574 , '' # extra cc opts
2575 , ( $TargetPlatform =~ /-solaris2$/ ? '-lnsl -lsocket' : '')
2579 [ # where to slurp interface files from
2581 ? "$InstLibDirGhc/imports/posix"
2582 : "$TopPwd/hslibs/posix"
2584 , # where to find the archive to use when linking
2587 : "$TopPwd/hslibs/posix"
2589 , # where to find the cbits archive to use when linking
2592 : "$TopPwd/hslibs/posix/cbits"
2594 , 'lang' # Syslib dependencies
2595 , '' # extra ghc opts
2596 , '' # extra cc opts
2597 , '' # extra ld opts
2601 [ # where to slurp interface files from
2603 ? "$InstLibDirGhc/imports/text"
2604 : "$TopPwd/hslibs/text:$TopPwd/hslibs/text/html"
2606 , # where to find the archive to use when linking
2609 : "$TopPwd/hslibs/text"
2611 , # where to find the cbits archive to use when linking
2614 : "$TopPwd/hslibs/text/cbits"
2616 , 'lang' # Syslib dependencies
2617 , '' # extra ghc opts
2618 , '' # extra cc opts
2619 , '' # extra ld opts
2623 [ # where to slurp interface files from
2625 ? "$InstLibDirGhc/imports/util"
2626 : "$TopPwd/hslibs/util"
2628 , # where to find the archive to use when linking
2631 : "$TopPwd/hslibs/util"
2633 , # where to find the cbits archive to use when linking
2636 : "$TopPwd/hslibs/util/cbits"
2638 , 'lang concurrent' # Syslib dependencies
2639 , '' # extra ghc opts
2640 , '' # extra cc opts
2641 , '' # extra ld opts
2645 [ # where to slurp interface files from
2647 ? "$InstLibDirGhc/imports/win32"
2648 : "$TopPwd/hslibs/win32/src"
2650 , # where to find the archive to use when linking
2653 : "$TopPwd/hslibs/win32/src"
2656 , 'lang' # Syslib dependencies
2657 , '' # extra ghc opts
2658 , '' # extra cc opts
2659 , '-luser32 -lgdi32' # extra ld opts
2663 [ # where to slurp interface files from
2665 ? "$InstLibDirGhc/imports/com"
2666 : "$TopPwd/hdirect/lib"
2668 , # where to find the archive to use when linking
2671 : "$TopPwd/hdirect/lib"
2674 , 'lang' # Syslib dependencies
2675 , '' # extra ghc opts
2676 , '' # extra cc opts
2677 , '-luser32 -lole32 -loleaut32 -ladvapi32'
2682 # check if it's supported..
2684 if ( !exists $Supported_syslibs{$syslib} ) {
2685 print STDERR "$Pgm: no such system library (-syslib): $syslib\n";
2690 # This check is here to avoid syslib loops from
2691 # spoiling the party. A side-effect of it is that
2692 # it disallows multiple mentions of a syslib on a command-line,
2693 # explicit *and* implicit ones (i.e., "-syslib lang -syslib misc"
2694 # is not equal to "-syslib lang -syslib misc -syslib lang",
2695 # which it needs to be)
2697 # Since our current collection of syslibs don't have any
2698 # loops, this test is disabled.
2700 # ToDo: loop avoidance scheme when the need arises
2702 #return if ( exists $Syslibs_added{$syslib} );
2704 $Syslibs_added{$syslib} = 1;
2706 local ($hi_dirs, $lib_dir, $lib_cbits_dir,
2707 $syslib_deps, $syslib_ghc_opts,
2708 $syslib_cc_opts, $syslib_ld_opts) = @{ $Supported_syslibs{$syslib} };
2710 foreach(split(':',$hi_dirs)) {
2711 unshift(@SysImport_dir, $_);
2713 push(@SysLibrary_dir, $lib_dir);
2714 push(@SysLibrary_dir, $lib_cbits_dir) if ( $lib_cbits_dir ne '');
2716 push(@SysLibrary, "-lHS$syslib");
2717 push(@SysLibrary, "-lHS${syslib}_cbits") if ( $lib_cbits_dir ne '');
2718 push(@SysLibrary, $syslib_ld_opts) if ($syslib_ld_opts ne '');
2720 # Add on any extra dependencies.
2721 foreach $lib (split(' ',$syslib_deps)) {
2727 Source files may have {-# OPTIONS ... #-} pragmas at the top, containing
2728 command line options we want to append to collection of commands specified
2729 directly. @check_for_source_options@ looks at the top of a de-lit'ified Haskell
2730 file for any such pragmas:
2733 sub check_for_source_options {
2734 local($file,$ifile) = @_;
2735 local($comment_start,$comment_end);
2737 if ($ifile =~ /\.hc$/ ||
2740 $ifile =~ /_s$/ ) { # `Real' C intermediate
2741 $comment_start = "/\\*";
2742 $comment_end = "\\*/";
2743 } else { # Assume it is a file containing Haskell source
2744 $comment_start = "{-#";
2745 $comment_end = "#-}";
2748 open(FILE,$file) || return(1); # No big loss
2751 if ( /^${comment_start} OPTIONS (.*)${comment_end}/ ) {
2752 # add the options found at the back of the command line.
2753 local(@entries) = split(/\s+/,$1);
2754 print STDERR "Found OPTIONS " . join(' ',@entries) . " in $file\n" if $Verbose;
2755 push(@File_options, @entries);
2757 elsif ( /^$/ ) { # ignore empty lines
2760 elsif ( /^#line.+$/ ) { # ignore comment lines (unused..ToDo: rm )
2763 elsif ( /^{-# LINE.+$/ ) { # ignore line pragmas
2766 else { # stop looking, something non-empty / not
2767 # ${comment_start} OPTIONS .. ${comment_end} encountered.
2768 close(FILE);return(0);
2777 We split the initial argv up into three arrays:
2783 the reason for doing so is to be able to deal
2784 with {-# OPTIONS #-} pragma in source files properly.
2790 arg: while($_ = $args[0]) {
2792 # sigh, we have to deal with these -option arg specially here.
2793 /^-(tmpdir|odir|ohi|o|isuf|osuf|hisuf|odump|syslib)$/ &&
2794 do { push(@Cmd_opts, $_); push(@Cmd_opts,$args[0]); shift(@args); next arg; };
2795 /^--?./ && do { push(@Cmd_opts, $_); next arg; };
2797 if (/\.([^_]+_)?[oa]$/) {
2798 push(@Link_file, $_);
2800 push(@Input_file, $_);
2803 # input files must exist:
2805 print STDERR "$Pgm: input file doesn't exist: $_\n";
2813 When saving an intermediate file (.hc or .s) away, we
2814 have to prefix any OPTIONS found in the original source file.
2817 sub saveIntermediate {
2818 local ($final,$suffix,$tmp)= @_ ;
2821 # $final -- root of where to park ${final}.${suffix}
2822 # $tmp -- temporary file where hsc put the intermediate file.
2824 # Delete the old file
2825 $to_do = "$Rm ${final}.${suffix}"; &run_something($to_do, "Removing old .${suffix} file");
2827 if ( $#File_options >= 0 ) { # OPTIONS found in Haskell source unit
2828 # Add OPTION comment to the top of the generated .${suffix} file
2829 open(TEMP, "> ${final}.${suffix}") || &tidy_up_and_die(1,"Can't open ${final}.${suffix}\n");
2830 print TEMP "/* OPTIONS " . join(' ',@File_options) . " */\n";
2832 print STDERR "Prepending OPTIONS: " . join(' ',@File_options) . " to ${final}.${suffix}\n" if $Verbose;
2834 $to_do = "$Cat $tmp >> ${final}.${suffix}";
2835 &run_something($to_do, "Saving copy of .${suffix} file");
2842 Command-line processor
2848 # can't use getopt(s); what we want is too complicated
2850 arg: while($_ = $Args[0]) {
2853 #---------- help -------------------------------------------------------
2854 if (/^-\?$/ || /^--?help$/) { print $LongUsage; exit $Status; }
2856 #-----------version ----------------------------------------------------
2857 /^--version$/ && do { print STDERR "${ProjectName}, version ${ProjectVersion}\n"; exit $Status; };
2859 #---------- verbosity and such -----------------------------------------
2860 /^-v$/ && do { $Verbose = '-v'; $Time = 'time'; next arg; };
2862 #---------- what phases are to be run ----------------------------------
2863 /^-(no-)?recomp/ && do { $Do_recomp_chkr = ($1 eq '') ? 1 : 0; next arg; };
2865 /^-cpp$/ && do { $Cpp_flag_set = 1; next arg; };
2866 # change the global default:
2867 # we won't run cat; we'll run the real thing
2869 /^-C$/ && do { $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0; $HscOut = '-C=';
2871 # stop after generating C
2873 /^-noC$/ && do { $HscOut = '-N='; $ProduceHi = '-nohifile=';
2874 $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0;
2876 # leave out actual C generation (debugging) [also turns off interface gen]
2879 /^-hi$/ && do { $HiOnStdout = 1; $ProduceHi = '-hifile='; next arg; };
2880 # _do_ generate an interface; usually used as: -noC -hi
2881 /^-hi-with-(.*)$/ && do { $HiOnStdout = 1; $HiWith .= " $1" ; $ProduceHi = '-hifile='; next arg; };
2882 # limit ourselves to outputting a particular section.
2884 /^-nohi$/ && do { $ProduceHi = '-nohifile='; next arg; };
2885 # don't generate an interface (even if generating C)
2887 /^-hi-diffs$/ && do { $HiDiff_flag = 'normal'; next arg; };
2888 /^-hi-diffs-with-usages$/ && do { $HiDiff_flag = 'usages'; next arg; };
2889 /^-no-hi-diffs$/ && do { $HiDiff_flag = ''; next arg; };
2890 /^-keep-hi-diffs$/ && do { $Keep_HiDiffs = 1; next arg; };
2892 # show/disable diffs if the interface file changes
2894 /^-E$/ && do { push(@CcBoth_flags, '-E');
2895 $Only_preprocess_C = 1;
2896 $Do_as = 0; $Do_lnkr = 0; next arg; };
2897 # stop after preprocessing C
2898 /^-M$/ && do { $Only_generate_deps = 1; $Do_as = 0; $Do_lnkr = 0; next arg; };
2899 # only generate dependency information.
2900 /^--mk-dll$/ && do { $Only_generate_dll = 1; $Do_as = 0; $Do_lnkr = 0; next arg; };
2901 # Build a Win32 DLL (where supported).
2902 /^-S$/ && do { $Do_as = 0; $Do_lnkr = 0; next arg; };
2903 # stop after generating assembler
2905 /^-c$/ && do { $Do_lnkr = 0; next arg; };
2906 # stop after generating .o files
2908 /^-link-chk$/ && do { $LinkChk = 1; next arg; };
2909 # don't do consistency-checking after a link
2910 /^-no-link-chk$/ && do { $LinkChk = 0; next arg; };
2912 /^-tmpdir$/ && do { $Tmp_prefix = &grab_arg_arg(*Args,'-tmpdir', '');
2913 $Tmp_prefix = "$Tmp_prefix/ghc$$";
2914 $ENV{'TMPDIR'} = $Tmp_prefix; # for those who use it...
2916 # use an alternate directory for temp files
2918 #---------- redirect output --------------------------------------------
2920 # -o <file>; applies to the last phase, whatever it is
2921 # "-o -" sends it to stdout
2922 # if <file> has a directory component, that dir must already exist
2924 /^-odir$/ && do { $Specific_output_dir = &grab_arg_arg(*Args,'-odir', '');
2926 # Hack, of the worst sort: don't do validation of
2927 # odir argument if you're using -M (dependency generation).
2929 if ( ! $Only_generate_deps && ! -d $Specific_output_dir) {
2930 print STDERR "$Pgm: -odir: no such directory: $Specific_output_dir\n";
2935 /^-o$/ && do { $Specific_output_file = &grab_arg_arg(*Args,'-o', '');
2936 if ($Specific_output_file ne '-'
2937 && $Specific_output_file =~ /(.*)\/[^\/]*$/) {
2938 local($dir_part) = $1;
2939 if (! -d $dir_part) {
2940 print STDERR "$Pgm: no such directory: $dir_part\n";
2946 # NB: -isuf not documented yet (because it doesn't work yet)
2947 /^-isuf$/ && do { $Isuffix = &grab_arg_arg(*Args,'-isuf', '');
2948 if ($Isuffix =~ /\./ ) {
2949 print STDERR "$Pgm: -isuf suffix shouldn't contain a .\n";
2954 /^-osuf$/ && do { $Osuffix = &grab_arg_arg(*Args,'-osuf', '');
2955 if ($Osuffix =~ /\./ ) {
2956 print STDERR "$Pgm: -osuf suffix shouldn't contain a .\n";
2961 # -ohi <file>; send the interface to <file>; "-ohi -" to send to stdout
2962 /^-ohi$/ && do { $Specific_hi_file = &grab_arg_arg(*Args,'-ohi', '');
2963 if ($Specific_hi_file ne '-'
2964 && $Specific_hi_file =~ /(.*)\/[^\/]*$/) {
2965 local($dir_part) = $1;
2966 if (! -d $dir_part) {
2967 print STDERR "$Pgm: no such directory: $dir_part\n";
2971 $ProduceHi='-hifile=';
2974 # The suffix to use when looking for interface files
2975 /^-hisuf$/ && do { $HiSuffix = &grab_arg_arg(*Args,'-hisuf', '');
2976 if ($HiSuffix =~ /\./ ) {
2977 print STDERR "$Pgm: -hisuf suffix shouldn't contain a .\n";
2981 /^-odump$/ && do { $Specific_dump_file = &grab_arg_arg(*Args,'-odump', '');
2982 if ($Specific_dump_file =~ /(.*)\/[^\/]*$/) {
2983 local($dir_part) = $1;
2984 if (! -d $dir_part) {
2985 print STDERR "$Pgm: no such directory: $dir_part\n";
2991 #-------------- scc & Profiling Stuff ----------------------------------
2993 /^-prof$/ && do { $PROFing = 'p'; next arg; }; # profiling -- details later!
2995 /^-auto-dicts$/ && do {
2996 $PROFdicts = '-fauto-sccs-on-dicts';
2998 /^-auto-all$/ && do {
2999 $PROFauto = '-fauto-sccs-on-all-toplevs';
3002 $PROFauto = '-fauto-sccs-on-exported-toplevs';
3005 /^-caf-all/ && do { # generate individual CAF SCC annotations
3006 $PROFcaf = '-fauto-sccs-on-individual-cafs';
3009 /^-ignore-scc$/ && do {
3010 # forces ignore of scc annotations even if profiling
3011 $PROFignore_scc = '-W';
3014 /^-G(.*)$/ && do { push(@HsC_flags, "-G=$1"); # set group for cost centres
3017 /^-unprof-scc-auto/ && do {
3018 # generate auto SCCs on top level bindings when not profiling.
3019 # Used to measure optimisation effects of presence of sccs.
3020 $UNPROFscc_auto = ( /-all/ )
3021 ? '-fauto-sccs-on-all-toplevs'
3022 : '-fauto-sccs-on-exported-toplevs';
3025 #--------- ticky/parallel ----------------------------------------------
3026 # we sort out the details a bit later on
3028 /^-gransim$/ && do { $GRANing = 'g'; &add_syslib('concurrent'); next arg; }; # GranSim
3029 /^-ticky$/ && do { $TICKYing = 't'; next arg; }; # ticky-ticky
3030 /^-parallel$/ && do { $PARing = 'p'; &add_syslib('concurrent'); next arg; }; # parallel Haskell
3031 /^-smp$/ && do { $SMPing = 's'; &add_syslib('concurrent'); next arg; }; # parallel Haskell
3033 #-------------- "user ways" --------------------------------------------
3035 (/^-user-setup-([a-oA-Z])$/ ) &&
3037 /^-user-setup-([a-oA-Z])$/ && do { $BuildTag = "_$1"; };
3039 local($stuff) = $UserSetupOpts{$BuildTag};
3040 local(@opts) = split(/\s+/, $stuff);
3042 # feed relevant ops into the arg-processing loop (if any)
3043 unshift(@Args, @opts) if $#opts >= 0;
3047 #---------- set search paths for libraries and things ------------------
3049 # we do -i just like HBC (-i clears the list; -i<colon-separated-items>
3050 # prepends the items to the list); -I is for including C .h files.
3052 /^-i$/ && do { @Import_dir = (); # import path cleared!
3053 @SysImport_dir = ();
3054 print STDERR "WARNING: import paths cleared by `-i'\n";
3057 /^-i(.*)/ && do { local(@new_items);
3061 if ( $arg =~ /;/ ) {
3063 @new_items = split( /;/, &grab_arg_arg(*Args,'-i', $arg));
3065 @new_items = split( /:/, &grab_arg_arg(*Args,'-i', $arg));
3067 unshift(@Import_dir, @new_items);
3070 /^-I(.*)/ && do { push(@Include_dir, &grab_arg_arg(*Args,'-I', $1)); next arg; };
3071 /^-L(.*)/ && do { push(@UserLibrary_dir, &grab_arg_arg(*Args,'-L', $1)); next arg; };
3072 /^-l(.*)/ && do { push(@UserLibrary,'-l'.&grab_arg_arg(*Args,'-l', $1)); next arg; };
3074 /^-syslib(.*)/ && do { local($syslib) = &grab_arg_arg(*Args,'-syslib',$1);
3075 &add_syslib($syslib);
3078 #=======================================================================
3079 # various flags that we can harmlessly send to one program or another
3080 # (we will later "reclaim" some of the compiler ones now sent to gcc)
3081 #=======================================================================
3083 #---------- this driver itself (ghc) -----------------------------------
3084 # these change what executable is run for each phase:
3085 /^-pgmL(.*)$/ && do { $Unlit = $1; next arg; };
3086 /^-pgmP(.*)$/ && do { $HsCpp = $1; next arg; };
3087 /^-pgmC(.*)$/ && do { $HsC = $1; next arg; };
3088 /^-pgmcO?(.*)$/ && do { $CcRegd = $1; next arg; }; # the O? for back compat
3089 /^-pgma(.*)$/ && do { $As = $1; next arg; };
3090 /^-pgml(.*)$/ && do { $Lnkr = $1; next arg; };
3091 /^-pgmdep(.*)$/ && do { $MkDependHS = $1; next arg; };
3093 #---------- the get-anything-through opts (all pgms) -------------------
3094 # these allow arbitrary option-strings to go to any phase:
3095 /^-optL(.*)$/ && do { push(@Unlit_flags, $1); next arg; };
3096 /^-optP(.*)$/ && do { push(@HsCpp_flags, $1); next arg; };
3097 /^-optCrts(.*)$/&& do { push(@HsC_rts_flags, $1); next arg; };
3098 /^-optC(.*)$/ && do { push(@HsC_flags, $1); next arg; };
3099 /^-optcpp(.*)$/ && do { push(@Cpp_define, $1); $Only_preprocess_hc = ($1 eq "-E"); next arg; };
3100 /^-optc(.*)$/ && do { push(@CcBoth_flags, $1); next arg; };
3101 /^-opta(.*)$/ && do { push(@As_flags, $1); next arg; };
3102 /^-optl(.*)$/ && do { push(@Ld_flags, $1); next arg; };
3103 /^-optdll(.*)$/ && do { push(@Dll_flags, $1); next arg; };
3104 /^-optdep(.*)$/ && do { push(@MkDependHS_flags, $1); next arg; };
3106 #---------- Haskell C pre-processor (hscpp) ----------------------------
3107 /^-D(.*)/ && do { push(@HsCpp_flags, "'-D".&grab_arg_arg(*Args,'-D',$1)."'"); next arg; };
3108 /^-U(.*)/ && do { push(@HsCpp_flags, "'-U".&grab_arg_arg(*Args,'-U',$1)."'"); next arg; };
3110 #---------- post-Haskell "assembler"------------------------------------
3111 /^-ddump-raw-asm$/ && do { $Dump_raw_asm = 1; next arg; };
3112 /^-ddump-asm-splitting-info$/ && do { $Dump_asm_splitting_info = 1; next arg; };
3114 #---------- Haskell compiler (hsc) -------------------------------------
3116 /^-keep-hc-files?-too$/ && do { $Keep_hc_file_too = 1; next arg; };
3117 /^-keep-s-files?-too$/ && do { $Keep_s_file_too = 1; next arg; };
3119 /^-fignore-interface-pragmas$/ && do { push(@HsC_flags, $_); next arg; };
3120 /^-fignore-asserts$/ && do { push(@HsC_flags, $_); next arg; };
3122 /^-fno-implicit-prelude$/ && do { $NoImplicitPrelude= 1; push(@HsC_flags, $_); next arg; };
3125 # have the compiler proper generate concurrent code,
3126 # really only used when you want to configure your own
3127 # special user compilation way.
3129 # (ditto for -fgransim, fscc-profiling, -fparallel and -fticky-ticky)
3131 /^-fscc-profiling$/ && do { push(@HsC_flags,$_); next arg; };
3132 /^-fticky-ticky$/ && do { push(@HsC_flags,$_); next arg; };
3133 /^-fgransim$/ && do { push(@HsC_flags,$_); next arg; };
3134 /^-fparallel$/ && do { push(@HsC_flags,$_); next arg; };
3135 /^-fsmp$/ && do { push(@HsC_flags,$_); next arg; };
3137 /^-split-objs$/ && do {
3138 if ( $TargetPlatform !~ /^(alpha|hppa1\.1|i386|m68k|mips|powerpc|rs6000|sparc)-/ ) {
3140 print STDERR "WARNING: don't know how to split objects on this platform: $TargetPlatform\n`-split-objs' option ignored\n";
3145 push(@HsC_flags, "-fglobalise-toplev-names");
3146 push(@CcBoth_flags, '-DUSE_SPLIT_MARKERS');
3148 require('ghc-split.prl')
3149 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-split.prl!\n");
3153 /^-unreg$/ && do { $UNREGing = 'u'; next arg; };
3154 /^-funregisterised$/ && do { push(@HsC_flags, $_); next arg; };
3155 /^-fno-asm-mangling$/ && do { $DoAsmMangling = 0; next arg; };
3157 /^-fallow-overlapping-instances$/ && do { push(@HsC_flags, $_); next arg; };
3158 /^-fallow-undecidable-instances$/ && do { push(@HsC_flags, $_); next arg; };
3159 /^-fhistory-size.*$/ && do { push(@HsC_flags, $_); next arg; };
3160 /^-fdicts-strict$/ && do { push(@HsC_flags, $_); next arg; };
3162 && do { push(@HsC_flags, $_);
3164 # -fglasgow-exts implies -syslib lang
3165 &add_syslib('lang');
3170 && do { $Oopt_DoSpecialise = '-fspecialise'; next arg; };
3171 /^-fno-speciali[sz]e$/
3172 && do { $Oopt_DoSpecialise = ''; next arg; };
3175 && do { $Oopt_UsageSPInf = '-fusagesp';
3176 push (@HsC_flags, '-fusagesp-on'); next arg; };
3178 /^-fcompiling-prelude$/ && do { $CompilingPrelude=1; push(@HsC_flags, $_); next arg; };
3180 # Now the foldr/build options, which are *on* by default (for -O).
3183 && do { $Oopt_FoldrBuild = 1;
3187 /^-fno-foldr-build$/
3188 && do { $Oopt_FoldrBuild = 0;
3191 # --------------- Renamer -------------
3194 /^-fno-prune-tydecls$/ && do { push(@HsC_flags, $_); next arg; };
3195 /^-fno-prune-instdecls$/ && do { push(@HsC_flags, $_); next arg; };
3199 /^-fasm-(.*)$/ && do { $HscOut = '-S='; next arg; }; # force using nativeGen
3200 /^-fvia-[cC]$/ && do { $HscOut = '-C='; next arg; }; # force using C compiler
3205 && do { push(@HsC_flags, $_); next arg };
3207 /^-fliberate-case-.*$/
3208 && do { push(@HsC_flags, $_); next arg };
3210 /^-funfold-casms-in-hi-file$/
3211 && do { push(@HsC_flags, $_); next arg };
3213 /^(-fmax-simplifier-iterations)(.*)$/
3214 && do { $Oopt_MaxSimplifierIterations = $1 . &grab_arg_arg(*Args,$1, $2);
3217 /^-fno-pedantic-bottoms$/
3218 && do { $Oopt_PedanticBottoms = ''; next arg; };
3220 /^-fno-pre-inlining$/
3221 && do { push(@HsC_flags, $_); next arg };
3223 /^-fno-let-from-(case|app|strict-let)$/ # experimental, really (WDP 95/10)
3224 && do { push(@HsC_flags, $_); next arg; };
3226 /^-funbox-strict-fields$/
3227 && do { push(@HsC_flags, $_); next arg; };
3229 # --------------- Warnings etc. ------
3231 /^-fwarn-(.*)$/ && do { push(@HsC_flags, $_); next arg; };
3233 /^-fno-(.*)$/ && do { push(@HsC_antiflags, "-f$1");
3234 &squashHscFlag("-f$1");
3237 /^-W$/ && do { push(@HsC_flags, @MinusWOpts); next arg; };
3238 /^-Wall$/ && do { push(@HsC_flags, @MinusWallOpts); next arg; };
3239 /^(-Wnot|w)$/ && do { foreach (@Hsc_flags) {
3240 /^-fwarn-(.*)$/ && do { $_=''; };
3242 push(@HsC_antiflags, @StandardWarnings);
3245 # --------------- fun stuff ----------------
3247 /^-freport-compile$/ && do { push(@HsC_flags, $_); next arg; };
3249 # --------------- platform specific flags (for gcc mostly) ----------------
3251 /^-mlong-calls$/ && do { # for GCC for HP-PA boxes,
3252 # for 2.6.x..?, does not apply for 2.7.2
3254 unshift(@CcBoth_flags, ( $_ ));
3257 /^-m(v8|sparclite|cypress|supersparc|cpu=(cypress|supersparc))$/
3258 && do { # for GCC for SPARCs
3259 unshift(@CcBoth_flags, ( $_ ));
3262 /^-monly-([432])-regs/ && do { # for iX86 boxes only; no effect otherwise
3263 $StolenX86Regs = $1;
3266 #*************** ... and lots of debugging ones (form: -d* )
3268 # -d(no-)core-lint is done this way so it is turn-off-able.
3269 /^-dcore-lint/ && do { $CoreLint = '-dcore-lint'; next arg; };
3270 /^-dno-core-lint/ && do { $CoreLint = ''; next arg; };
3271 # Ditto for USP lint
3272 /^-dusagesp-lint/ && do { $USPLint = '-dusagesp-lint'; next arg; };
3273 /^-dno-usagesp-lint/ && do { $USPLint = ''; next arg; };
3274 # Ditto for STG lint
3275 /^-dstg-lint/ && do { $StgLint = '-dstg-lint'; next arg; };
3276 /^-dno-stg-lint/ && do { $StgLint = ''; next arg; };
3278 /^-d(dump|ppr)-/ && do { push(@HsC_flags, $_); next arg; };
3279 /^-dverbose-(simpl|stg)/ && do { push(@HsC_flags, $_); next arg; };
3280 /^-dshow-passes/ && do { push(@HsC_flags, $_); next arg; };
3281 /^-dshow-rn-stats/ && do { push(@HsC_flags, $_); next arg; };
3282 /^-dshow-rn-trace/ && do { push(@HsC_flags, $_); next arg; };
3283 /^-dsource-stats/ && do { push(@HsC_flags, $_); next arg; };
3284 /^-dsimplifier-stats/ && do { push(@HsC_flags, $_); next arg; };
3285 /^-dstg-stats/ && do { $Oopt_StgStats = $_; next arg; };
3287 #*************** ... and now all these -R* ones for its runtime system...
3289 /^-Rscale-sizes?(.*)/ && do {
3290 $Scale_sizes_by = &grab_arg_arg(*Args,'-Rscale-sizes', $1);
3293 /^(-H|-Rmax-heapsize)(.*)/ && do {
3294 local($heap_size) = &grab_arg_arg(*Args,$1, $2);
3295 if ($heap_size =~ /(\d+)[Kk]$/) {
3296 $heap_size = $1 * 1000;
3297 } elsif ($heap_size =~ /(\d+)[Mm]$/) {
3298 $heap_size = $1 * 1000 * 1000;
3299 } elsif ($heap_size =~ /(\d+)[Gg]$/) {
3300 $heap_size = $1 * 1000 * 1000 * 1000;
3302 if ($heap_size <= 0) {
3303 print STDERR "$Pgm: resetting heap-size to zero!!! $heap_size\n";
3304 $Specific_heap_size = 0;
3306 # if several heap sizes given, take the largest...
3307 } elsif ($heap_size >= $Specific_heap_size) {
3308 $Specific_heap_size = $heap_size;
3310 print STDERR "$Pgm: ignoring heap-size-setting option ($_)...not the largest seen\n" if $Verbose;
3314 /^(-K|Rmax-(stk|stack)size)(.*)/ && do {
3316 local($stk_size) = &grab_arg_arg(*Args,'-Rmax-stksize', $3);
3317 if ($stk_size =~ /(\d+)[Kk]$/) {
3318 $stk_size = $1 * 1000;
3319 } elsif ($stk_size =~ /(\d+)[Mm]$/) {
3320 $stk_size = $1 * 1000 * 1000;
3321 } elsif ($stk_size =~ /(\d+)[Gg]$/) {
3322 $stk_size = $1 * 1000 * 1000 * 1000;
3324 if ($stk_size <= 0) {
3325 print STDERR "$Pgm: resetting stack-size to zero!!! $stk_size\n";
3326 $Specific_stk_size = 0;
3328 # if several stack sizes given, take the largest...
3329 } elsif ($stk_size >= $Specific_stk_size) {
3330 $Specific_stk_size = $stk_size;
3332 print STDERR "$Pgm: ignoring stack-size-setting option ($flag $stk_size)...not the largest seen\n" if $Verbose;
3336 /^-Rgc-stats$/ && do { $CollectingGCstats++;
3337 # the two RTSs do this diff ways; we will try to compensate
3340 /^-Rghc-timing/ && do { $CollectGhcTimings = 1; next arg; };
3342 #---------- C high-level assembler (gcc) -------------------------------
3343 /^-(Wall|ansi|pedantic)$/ && do { push(@CcBoth_flags, $_); next arg; };
3345 # -dgcc-lint is a useful way of making GCC very fussy.
3346 # From alan@spri.levels.unisa.edu.au (Alan Modra).
3347 /^-dgcc-lint$/ && do { push(@CcBoth_flags, '-Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs'); next arg; };
3348 # An alternate set, from mark@sgcs.com (Mark W. Snitily)
3349 # -Wall -Wstrict-prototypes -Wmissing-prototypes -Wcast-align -Wshadow
3351 # inject "#include <wurble>" into the compiler's C output!
3353 /^-#include(.*)/ && do {
3354 local($to_include) = &grab_arg_arg(*Args,'-#include', $1);
3355 push(@CcInjects, "#include $to_include\n");
3358 #---------- Linker (gcc, really) ---------------------------------------
3360 /^-static$/ && do { $Static=1; push(@Ld_flags, $_); next arg; };
3361 /^-no-hs-main$/ && do { $NoHaskellMain=1; next arg; };
3363 #---------- mixed cc and linker magic ----------------------------------
3364 # this optimisation stuff is finally sorted out later on...
3366 /^-O2-for-C$/ && do { $MinusO2ForC = 1; next arg; };
3368 /^-O[1-2]?$/ && do {
3369 local($opt_lev) = ( /^-O2$/ ) ? 2 : 1; # max 'em
3370 $OptLevel = ( $opt_lev > $OptLevel ) ? $opt_lev : $OptLevel;
3372 $HscOut = '-C=' if $OptLevel == 2; # force use of C compiler
3375 /^-Onot$/ && do { $OptLevel = 0; next arg; }; # # set it to <no opt>
3377 /^-Ofile(.*)/ && do {
3379 local($ofile) = &grab_arg_arg(*Args,'-Ofile', $1);
3380 @HsC_minusO3_flags = ();
3382 open(OFILE, "< $ofile") || die "Can't open $ofile!\n";
3385 s/\#.*//; # death to comments
3386 s/[ \t]+//g; # death to whitespace
3387 next if /^$/; # ditto, blank lines
3388 s/([()*{}])/\\$1/g; # protect shell metacharacters
3390 push(@CcBoth_flags, $1);
3392 push(@HsC_minusO3_flags, $_);
3398 /^-debug$/ && do { # all this does is mark a .hc/.o as "debugging"
3399 # in the consistency info
3403 #---------- linking .a file --------------------------------------------
3405 /^-Main(.*)/ && do {
3406 # specifies main or mainPrimIO to be linked
3410 #---------- catch unrecognized flags -----------------------------------
3413 print STDERR "$Pgm: unrecognised option: $_\n";
3419 } # end of processArgs