2 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1996
4 % *** MSUB does some substitutions here ***
8 This is the driver script for the Glasgow Haskell compilation system.
9 It is written in \tr{perl}. The first section includes a long
10 ``usage'' message that describes how the driver is supposed to work.
12 %************************************************************************
14 \section[Driver-usage]{Usage message}
16 %************************************************************************
19 ($Pgm = $0) =~ s|.*/||;
20 $ShortUsage = "\nUsage: For basic information, try the `-help' option.\n";
21 $LongUsage = "\n" . <<EOUSAGE;
22 Use of the Glorious Haskell Compilation System driver:
24 $Pgm [command-line-options-and-input-files]
26 ------------------------------------------------------------------------
27 This driver ($Pgm) guides each input file through (some of the)
28 possible phases of a compilation:
30 - unlit: extract code from a "literate program"
31 - hscpp: run code through the C pre-processor (if -cpp flag given)
32 - hsc: run the Haskell compiler proper
33 - gcc: run the C compiler (if compiling via C)
34 - as: run the Unix assembler
35 - ld: run the Unix linker
37 For each input file, the phase to START with is determined by the
39 - .lhs literate Haskell: lit2pgm
40 - .hs illiterate Haskell: hsp
41 - .hc C from the Haskell compiler: gcc
42 - .c C not from the Haskell compiler: gcc
43 - .s assembly language: as
44 - other passed directly to the linker: ld
46 If no files are given on the command line, input is taken from
47 standard input, and processing is as for an .hs file. (All output is
48 to stdout or stderr, however).
50 The phase at which to STOP processing is determined by a command-line
52 -C stop after generating C (.hc output)
53 -E stop after generating preprocessed C (.i output)
54 -S stop after generating assembler (.s output)
55 -c stop after generating object files (.o output)
57 Other commonly-used options are:
59 -O An `optimising' package of options, to produce faster code
61 -prof Compile for cost-centre profiling
62 (add -auto for automagic cost-centres on top-level functions)
64 -fglasgow-exts Allow Glasgow extensions (unboxed types, etc.)
66 -H14m Increase compiler's heap size
68 The User's Guide has more information about GHC's *many* options.
70 Given the above, here are some TYPICAL invocations of $Pgm:
72 # compile a Haskell module to a .o file, optimising:
74 # compile a Haskell module to C (a .hc file), using a bigger heap:
75 % $Pgm -C -H16m Foo.hs
76 # compile Haskell-produced C (.hc) to assembly language:
78 # link three .o files into an executable called "test":
79 % $Pgm -o test Foo.o Bar.o Baz.o
80 ------------------------------------------------------------------------
84 %************************************************************************
86 \section[Driver-init]{Initialisation}
88 %************************************************************************
90 Establish what executables to run for the various phases (all the
91 \tr{$(FOO)} make-variables are \tr{msub}bed for from the
92 \tr{Makefile}), what the default options are for those phases, and
93 other similar boring stuff.
95 select(STDERR); $| = 1; select(STDOUT); # no STDERR buffering, please.
97 $HostPlatform = '$(HOSTPLATFORM)';
98 $TargetPlatform = '$(TARGETPLATFORM)';
100 #------------------------------------------------------------------------
101 # If you are adjusting paths by hand for a binary GHC distribution,
102 # de-commenting the line to set GLASGOW_HASKELL_ROOT should do.
103 # Or you can leave it as is, and set the environment variable externally.
104 #------------------------------------------------------------------------
105 # $ENV{'GLASGOW_HASKELL_ROOT'} = '/some/absolute/path/name';
107 if (! $ENV{'GLASGOW_HASKELL_ROOT'}) { # good -- death to environment variables
108 $TopPwd = '$(TOP_PWD)';
109 $InstLibDirGhc = '$(INSTLIBDIR_GHC)';
110 $InstDataDirGhc = '$(INSTDATADIR_GHC)';
112 $TopPwd = $ENV{'GLASGOW_HASKELL_ROOT'};
114 if ( '$(INSTLIBDIR_GHC)' =~ /^\/(local\/fp|usr\/local)(\/.*)/ ) {
115 $InstLibDirGhc = $ENV{'GLASGOW_HASKELL_ROOT'} . $2;
117 print STDERR "GLASGOW_HASKELL_ROOT environment variable is set;\nBut can't untangle $(INSTLIBDIR_GHC).\n(Installation error)\n";
121 if ( '$(INSTDATADIR_GHC)' =~ /\/(local\/fp|usr\/local)(\/.*)/ ) {
122 $InstDataDirGhc = $ENV{'GLASGOW_HASKELL_ROOT'} . $2;
124 print STDERR "GLASGOW_HASKELL_ROOT environment variable is set;\nBut can't untangle $(INSTDATADIR_GHC).\n(Installation error)\n";
129 $Status = 0; # just used for exit() status
132 $Time = ''; # ToDo: mkworld-ize the timing command
134 # set up signal handler
135 sub quit_upon_signal { &tidy_up_and_die(1, ''); }
136 $SIG{'INT'} = 'quit_upon_signal';
137 $SIG{'QUIT'} = 'quit_upon_signal';
139 # where to get "require"d .prl files at runtime (poor man's dynamic loading)
140 # (use LIB, not DATA, because we can't be sure of arch-independence)
141 @INC = ( ( $(INSTALLING) ) ? "$InstLibDirGhc"
142 : "$TopPwd/$(CURRENT_DIR)" );
144 if ( $ENV{'TMPDIR'} ) { # where to make tmp file names
145 $Tmp_prefix = ($ENV{'TMPDIR'} . "/ghc$$");
147 $Tmp_prefix ="$(TMPDIR)/ghc$$";
148 $ENV{'TMPDIR'} = '$(TMPDIR)'; # set the env var as well
151 @Files_to_tidy = (); # files we nuke in the case of abnormal termination
153 $Unlit = ( $(INSTALLING) ) ? "$InstLibDirGhc/unlit"
154 : "$TopPwd/$(CURRENT_DIR)/$(GHC_UNLIT)";
159 $HsCpp = # but this is re-set to "cat" (after options) if -cpp not seen
160 ( $(INSTALLING) ) ? "$InstLibDirGhc/hscpp"
161 : "$TopPwd/$(CURRENT_DIR)/$(GHC_HSCPP)";
163 $genSPECS_flag = ''; # See ../utils/hscpp/hscpp.prl
165 $HsP = ( $(INSTALLING) ) ? "$InstLibDirGhc/hsp"
166 : "$TopPwd/$(CURRENT_DIR)/$(GHC_HSP)";
169 $HsC = ( $(INSTALLING) ) ? "$InstLibDirGhc/hsc"
170 : "$TopPwd/$(CURRENT_DIR)/$(GHC_HSC)";
172 $SysMan = ( $(INSTALLING) ) ? "$InstLibDirGhc/SysMan"
173 : "$TopPwd/$(CURRENT_DIR)/$(GHC_SYSMAN)";
175 # HsC_rts_flags: if we want to talk to the LML runtime system
176 # NB: we don't use powers-of-2 sizes, because this may do
177 # terrible things to cache behavior.
178 $Specific_heap_size = 6 * 1000 * 1000;
179 $Specific_stk_size = 1000 * 1000;
180 $Scale_sizes_by = 1.0;
181 $RTS_style = $(GHC_RTS_STYLE);
188 The optimisations/etc to be done by the compiler are {\em normally}
189 expressed with a \tr{-O} (or \tr{-O2}) flag, or by its absence.
192 $OptLevel = 0; # no -O == 0; -O == 1; -O2 == 2; -Ofile == 3
193 $MinusO2ForC = 0; # set to 1 if -O2 should be given to C compiler
194 $StolenX86Regs = 4; # **HACK*** of the very worst sort
197 These variables represent parts of the -O/-O2/etc ``templates,''
198 which are filled in later, using these.
199 These are the default values, which may be changed by user flags.
201 $Oopt_UnfoldingUseThreshold = '-fsimpl-uf-use-threshold3';
202 $Oopt_MaxSimplifierIterations = '-fmax-simplifier-iterations4';
203 $Oopt_PedanticBottoms = '-fpedantic-bottoms'; # ON by default
204 $Oopt_MonadEtaExpansion = '';
205 #OLD:$Oopt_LambdaLift = '';
206 $Oopt_AddAutoSccs = '';
207 $Oopt_FinalStgProfilingMassage = '';
209 $Oopt_SpecialiseUnboxed = '';
210 $Oopt_DoSpecialise = '-fspecialise';
211 $Oopt_FoldrBuild = 1; # On by default!
212 $Oopt_FB_Support = '-fdo-new-occur-anal -fdo-arity-expand';
213 #$Oopt_FoldrBuildWW = 0; # Off by default
214 $Oopt_FoldrBuildInline = '-fdo-inline-foldr-build';
217 Things to do with C compilers/etc:
219 $CcUnregd = '$(GHC_DEBUG_HILEV_ASM)'; # our high-level assembler (non-optimising)
220 $CcRegd = '$(GHC_OPT_HILEV_ASM)'; # our high-level assembler (optimising)
221 $GccAvailable = $(GHC_GCC_IS_AVAILABLE); # whether GCC avail or not for optimising
223 @CcBoth_flags = ('-S'); # flags for *any* C compilation
226 # non-registerizing flags: those for all files, those only for .c files; those only for .hc files
227 @CcUnregd_flags = ( $GccAvailable ) ? ('-ansi', '-pedantic') : ();
228 @CcUnregd_flags_c = ();
229 @CcUnregd_flags_hc= ();
231 # ditto; but for registerizing (we must have GCC for this)
232 @CcRegd_flags = ('-ansi', '-D__STG_GCC_REGS__', '-D__STG_TAILJUMPS__');
233 @CcRegd_flags_c = ();
234 @CcRegd_flags_hc = ();
236 $As = ''; # assembler is normally the same pgm as used for C compilation
239 $Lnkr = ''; # linker is normally the same pgm as used for C compilation
242 # 'nm' is used for consistency checking (ToDo: mk-world-ify)
243 # ToDo: check the OS or something ("alpha" is surely not the crucial question)
244 $Nm = ($TargetPlatform =~ /^alpha-/) ? 'nm -B' : 'nm';
247 What options \tr{-user-setup-a} turn into (user-defined ``packages''
248 of options). Note that a particular user-setup implies a particular
249 Prelude ({\em including} its interface file(s)).
251 $BuildTag = ''; # default is sequential build w/ Appel-style GC
253 %BuildAvail = ('', '$(GHC_BUILD_FLAG_normal)',
254 '_p', '$(GHC_BUILD_FLAG_p)',
255 '_t', '$(GHC_BUILD_FLAG_t)',
256 '_u', '$(GHC_BUILD_FLAG_u)',
257 '_mc', '$(GHC_BUILD_FLAG_mc)',
258 '_mr', '$(GHC_BUILD_FLAG_mr)',
259 '_mt', '$(GHC_BUILD_FLAG_mt)',
260 '_mp', '$(GHC_BUILD_FLAG_mp)',
261 '_mg', '$(GHC_BUILD_FLAG_mg)',
262 '_2s', '$(GHC_BUILD_FLAG_2s)',
263 '_1s', '$(GHC_BUILD_FLAG_1s)',
264 '_du', '$(GHC_BUILD_FLAG_du)',
265 '_a', '$(GHC_BUILD_FLAG_a)',
266 '_b', '$(GHC_BUILD_FLAG_b)',
267 '_c', '$(GHC_BUILD_FLAG_c)',
268 '_d', '$(GHC_BUILD_FLAG_d)',
269 '_e', '$(GHC_BUILD_FLAG_e)',
270 '_f', '$(GHC_BUILD_FLAG_f)',
271 '_g', '$(GHC_BUILD_FLAG_g)',
272 '_h', '$(GHC_BUILD_FLAG_h)',
273 '_i', '$(GHC_BUILD_FLAG_i)',
274 '_j', '$(GHC_BUILD_FLAG_j)',
275 '_k', '$(GHC_BUILD_FLAG_k)',
276 '_l', '$(GHC_BUILD_FLAG_l)',
277 '_m', '$(GHC_BUILD_FLAG_m)',
278 '_n', '$(GHC_BUILD_FLAG_n)',
279 '_o', '$(GHC_BUILD_FLAG_o)',
280 '_A', '$(GHC_BUILD_FLAG_A)',
281 '_B', '$(GHC_BUILD_FLAG_B)' );
283 %BuildDescr = ('', 'normal sequential',
285 '_t', 'ticky-ticky profiling',
286 '_u', 'unregisterized (using portable C only)',
288 '_mr', 'profiled concurrent',
289 '_mt', 'ticky concurrent',
294 '_du', 'dual-mode GC',
311 '_B', 'user way B' );
313 # these are options that are "fed back" through the option processing loop
314 %UserSetupOpts = ('_a', '$(GHC_BUILD_OPTS_a)',
315 '_b', '$(GHC_BUILD_OPTS_b)',
316 '_c', '$(GHC_BUILD_OPTS_c)',
317 '_d', '$(GHC_BUILD_OPTS_d)',
318 '_e', '$(GHC_BUILD_OPTS_e)',
319 '_f', '$(GHC_BUILD_OPTS_f)',
320 '_g', '$(GHC_BUILD_OPTS_g)',
321 '_h', '$(GHC_BUILD_OPTS_h)',
322 '_i', '$(GHC_BUILD_OPTS_i)',
323 '_j', '$(GHC_BUILD_OPTS_j)',
324 '_k', '$(GHC_BUILD_OPTS_k)',
325 '_l', '$(GHC_BUILD_OPTS_l)',
326 '_m', '$(GHC_BUILD_OPTS_m)',
327 '_n', '$(GHC_BUILD_OPTS_n)',
328 '_o', '$(GHC_BUILD_OPTS_o)',
329 '_A', '$(GHC_BUILD_OPTS_A)',
330 '_B', '$(GHC_BUILD_OPTS_B)',
332 # the GC ones don't have any "fed back" options
337 # per-build code fragments which are eval'd
338 %EvaldSetupOpts = ('', '', # this one must *not* be set!
340 # profiled sequential
341 '_p', 'push(@HsC_flags, \'-fscc-profiling\');
342 push(@CcBoth_flags, \'-DPROFILING\');',
344 # ticky-ticky sequential
345 '_t', 'push(@HsC_flags, \'-fticky-ticky\');
346 push(@CcBoth_flags, \'-DTICKY_TICKY\');',
348 # unregisterized (ToDo????)
352 '_mc', '$StkChkByPageFaultOK = 0;
353 push(@HsC_flags, \'-fconcurrent\');
354 push(@HsCpp_flags,\'-D__CONCURRENT_HASKELL__\', \'-DCONCURRENT\');
355 push(@Cpp_define, \'-D__CONCURRENT_HASKELL__\', \'-DCONCURRENT\');',
357 # profiled concurrent
358 '_mr', '$StkChkByPageFaultOK = 0;
359 push(@HsC_flags, \'-fconcurrent\', \'-fscc-profiling\');
360 push(@HsCpp_flags,\'-D__CONCURRENT_HASKELL__\', \'-DCONCURRENT\');
361 push(@Cpp_define, \'-D__CONCURRENT_HASKELL__\', \'-DCONCURRENT\', \'-DPROFILING\');',
363 # ticky-ticky concurrent
364 '_mt', '$StkChkByPageFaultOK = 0;
365 push(@HsC_flags, \'-fconcurrent\', \'-fticky-ticky\');
366 push(@HsCpp_flags,\'-D__CONCURRENT_HASKELL__\', \'-DCONCURRENT\');
367 push(@Cpp_define, \'-D__CONCURRENT_HASKELL__\', \'-DCONCURRENT\', \'-DTICKY_TICKY\');',
370 '_mp', '$StkChkByPageFaultOK = 0;
371 push(@HsC_flags, \'-fconcurrent\');
372 push(@HsCpp_flags,\'-D__PARALLEL_HASKELL__\', \'-DPAR\');
373 push(@Cpp_define, \'-D__CONCURRENT_HASKELL__\', \'-DCONCURRENT\', \'-DPAR\');',
376 '_mg', '$StkChkByPageFaultOK = 0;
377 push(@HsC_flags, \'-fconcurrent\');
378 push(@Cpp_define, \'-D__CONCURRENT_HASKELL__\', \'-DCONCURRENT\', \'-DGRAN\');',
380 '_2s', 'push (@CcBoth_flags, \'-DGC2s\');',
381 '_1s', 'push (@CcBoth_flags, \'-DGC1s\');',
382 '_du', 'push (@CcBoth_flags, \'-DGCdu\');',
384 '_a', '', # these user-way guys should not be set!
403 Import/include directories (\tr{-I} options) are sufficiently weird to
404 require special handling.
406 @Import_dir = ('.'); #-i things
407 @Include_dir = ('.'); #-I things; other default(s) stuck on AFTER option processing
409 @SysImport_dir = ( $(INSTALLING) )
410 ? ( "$InstDataDirGhc/imports" )
411 : ( "$TopPwd/$(CURRENT_DIR)/$(GHC_LIBSRC)/prelude"
414 $ghc_version_info = $(PROJECTVERSION) * 100;
415 $haskell1_version = 2; # i.e., Haskell 1.2
418 @UserLibrary_dir= (); #-L things;...
419 @UserLibrary = (); #-l things asked for by the user
421 @SysLibrary_dir = ( ( $(INSTALLING) ) #-syslib things supplied by the system
423 : ("$TopPwd/$(CURRENT_DIR)/$(GHC_RUNTIMESRC)",
424 "$TopPwd/$(CURRENT_DIR)/$(GHC_RUNTIMESRC)/gmp",
425 "$TopPwd/$(CURRENT_DIR)/$(GHC_LIBSRC)")
427 @SysLibrary = ( '-lHS' ); # basic I/O and prelude stuff
429 $TopClosureFile # defaults to 1.2 one; will be mangled later
430 = ( $(INSTALLING) ) ? "$InstLibDirGhc/TopClosureXXXX.o"
431 : "$TopPwd/$(CURRENT_DIR)/$(GHC_RUNTIMESRC)/main/TopClosureXXXX.o";
434 We are given a list of files with various presumably-known suffixes
435 (unknown-suffix files go straight to the linker). For each file, we
436 begin by assuming that we'll run every phase over it. However: (1)
437 global flags (\tr{-c}, \tr{-S}, etc.) tell us not to run any phase
438 past a certain point; and (2) the file's suffix tells us what phase to
439 start with. Linking is weird and kept track of separately.
441 Here are the initial defaults applied to all files:
444 $Do_hscpp = 1; # but we run 'cat' by default (see after arg check)
445 $Cpp_flag_set = 0; # (hack)
446 $Only_preprocess_C = 0; # pretty hackish
447 $ProduceHi = 1; # but beware magical value "2"! (hack)
448 $PostprocessCcOutput = 0;
451 # native code-gen or via C?
452 $HaveNativeCodeGen = $(GHC_WITH_NATIVE_CODEGEN);
454 if ($HaveNativeCodeGen) {
455 if ($TargetPlatform =~ /^(alpha|sparc)-/) {
456 $ProduceS = $TargetPlatform;
459 $ProduceC = ($ProduceS) ? 0 : 1;
461 $CollectingGCstats = 0;
462 $CollectGhcTimings = 0;
463 $RegisteriseC = ''; # set to 'o', if using optimised C code (only if avail)
464 # or if generating equiv asm code
465 $DEBUGging = ''; # -DDEBUG and all that it entails (um... not really)
466 $PROFing = ''; # set to p or e if profiling
467 $PROFgroup = ''; # set to group if an explicit -Ggroup specified
468 $PROFauto = ''; # set to relevant hsc flag if -auto or -auto-all
469 $PROFcaf = ''; # set to relevant hsc flag if -caf-all
470 #UNUSED:$PROFdict = ''; # set to relevant hsc flag if -dict-all
471 $PROFignore_scc = ''; # set to relevant parser flag if explicit sccs ignored
472 $TICKYing = ''; # set to t if compiling for ticky-ticky profiling
473 $PARing = ''; # set to p if compiling for PAR
474 $CONCURing = ''; # set to c if compiling for CONCURRENT
475 $GRANing = ''; # set to g if compiling for GRAN
476 $StkChkByPageFaultOK = 1; # may be set to 0 (false) for some builds
477 $Specific_output_dir = ''; # set by -odir <dir>
478 $Specific_output_file = ''; # set by -o <file>; "-" for stdout
479 $Specific_hi_file = ''; # set by -ohi <file>; "-" for stdout
480 $Specific_dump_file = ''; # set by -odump <file>; "-" for stdout
481 $Using_dump_file = 0;
484 $Do_hsp = 2; # 1 for "old" parser; 2 for "new" parser (in hsc)
486 $Do_cc = -1; # a MAGIC indeterminate value; will be set to 1 or 0.
489 $Keep_hc_file_too = 0;
490 $Keep_s_file_too = 0;
491 $CompilingPrelude = 0;
494 $Dump_parser_output = 0;
496 $Dump_asm_insn_counts = 0;
497 $Dump_asm_globals_info = 0;
498 $Dump_asm_splitting_info = 0;
500 # and the list of files
503 # and files to be linked...
507 We inject consistency-checking information into \tr{.hc} files (both
508 when created by the Haskell compiler and when compiled by the C
509 compiler), so that we can check that an executable is made from
510 consistently-built pieces. (The check is normally done just after
511 linking.) The checking is done by introducing/munging
512 \tr{what(1)}-style strings. Anyway, here are the relevant global
513 variables and their defaults:
515 $LinkChk = 1; # set to 0 if the link check should *not* be done
517 # major & minor version numbers; major numbers must always agree;
518 # minor disagreements yield a warning.
519 $HsC_major_version = 29;
520 $HsC_minor_version = 0;
521 $Cc_major_version = 33;
522 $Cc_minor_version = 0;
524 # options: these must always agree
525 $HsC_consist_options = ''; # we record, in this order:
526 # Build tag; debugging?
527 $Cc_consist_options = ''; # we record, in this order:
528 # Build tag; debugging? registerised?
531 %************************************************************************
533 \section[Driver-parse-argv]{Munge the command-line options}
535 %************************************************************************
537 Now slurp through the arguments.
540 #---------- user defined prelude ---------------------------------------
542 if (grep(/^-user-prelude$/, @ARGV)) {
544 # If ARGV contains -user-prelude we are compiling a piece of
545 # prelude for the user, probably with additional specialise pragmas
547 # We strip out the -O -f and -user-prelude flags provided on
548 # the command line and add the ones used to compile the prelude
549 # ToDo: get these options from a common definition in mkworld
551 # We also enable any options forced through with -user-prelude-force
553 # Hey, Check out this grep statement ;-) (PS)
555 @ARGV = grep((!/^-O/ && !/^-f/ && !/^-user-prelude$/) || s/^-user-prelude-force//,
561 '-fshow-pragma-name-errs',
562 '-fshow-import-specs',
563 '-fomit-reexported-instances',
569 print STDERR "ghc: -user-prelude options:\n", "@ARGV", "\n";
572 # can't use getopt(s); what we want is too complicated
573 arg: while($_ = $ARGV[0]) {
576 #---------- help -------------------------------------------------------
577 if (/^-\?$/ || /^-help$/) { print $LongUsage; exit $Status; }
579 #---------- verbosity and such -----------------------------------------
580 /^-v$/ && do { $Verbose = '-v'; $Time = 'time'; next arg; };
582 #---------- what phases are to be run ----------------------------------
583 /^-cpp$/ && do { $Cpp_flag_set = 1; next arg; };
584 # change the global default:
585 # we won't run cat; we'll run the real thing
587 /^-C$/ && do { $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0;
588 $ProduceC = 1; $ProduceS = '';
590 # stop after generating C
592 /^-noC$/ && do { $ProduceC = 0; $ProduceS = ''; $ProduceHi = 0;
593 $Do_cc = 0; $Do_as = 0; $Do_lnkr = 0;
595 # leave out actual C generation (debugging) [also turns off interface gen]
597 /^-hi$/ && do { $ProduceHi = 2; next arg; };
598 # _do_ generate an interface; usually used as: -noC -hi
599 # NB: magic value "2" for $ProduceHi (hack)
601 /^-nohi$/ && do { $ProduceHi = 0; next arg; };
602 # don't generate an interface (even if generating C)
604 /^-hi-diffs$/ && do { $HiDiff_flag = 1; next arg; };
605 /^-no-hi-diffs$/ && do { $HiDiff_flag = 0; next arg; };
606 # show/disable diffs if the interface file changes
608 /^-E$/ && do { push(@CcBoth_flags, '-E');
609 $Only_preprocess_C = 1;
610 $Do_as = 0; $Do_lnkr = 0; next arg; };
611 # stop after preprocessing C
613 /^-S$/ && do { $Do_as = 0; $Do_lnkr = 0; next arg; };
614 # stop after generating assembler
616 /^-c$/ && do { $Do_lnkr = 0; next arg; };
617 # stop after generating .o files
619 /^-link-chk$/ && do { $LinkChk = 1; next arg; };
620 /^-no-link-chk$/ && do { $LinkChk = 0; next arg; };
621 # don't do consistency-checking after a link
623 # generate code for a different target architecture; e.g., m68k
624 # ToDo: de-Glasgow-ize & probably more...
626 # /^-target$/ && do { $TargetPlatform = &grab_arg_arg('-target', '');
627 # if ($TargetPlatform ne $HostPlatform) {
628 # if ( $TargetPlatform =~ /^m68k-/ ) {
629 # $CcUnregd = $CcRegd = 'gcc-m68k';
631 # print STDERR "$Pgm: Can't handle -target $TargetPlatform\n";
637 /^-unregisteri[sz]ed$/ && do { $RegisteriseC = 'no';
638 $ProduceC = 1; $ProduceS = ''; # via C, definitely
641 /^-tmpdir$/ && do { $Tmp_prefix = &grab_arg_arg('-tmpdir', '');
642 $Tmp_prefix = "$Tmp_prefix/ghc$$";
643 $ENV{'TMPDIR'} = $Tmp_prefix; # for those who use it...
645 # use an alternate directory for temp files
647 #---------- redirect output --------------------------------------------
649 # -o <file>; applies to the last phase, whatever it is
650 # "-o -" sends it to stdout
651 # if <file> has a directory component, that dir must already exist
653 /^-o$/ && do { $Specific_output_file = &grab_arg_arg('-o', '');
654 if ($Specific_output_file ne '-'
655 && $Specific_output_file =~ /(.*)\/[^\/]*$/) {
656 local($dir_part) = $1;
657 if (! -d $dir_part) {
658 print STDERR "$Pgm: no such directory: $dir_part\n";
664 # -ohi <file>; send the interface to <file>; "-ohi -" to send to stdout
665 /^-ohi$/ && do { $Specific_hi_file = &grab_arg_arg('-ohi', '');
666 if ($Specific_hi_file ne '-'
667 && $Specific_hi_file =~ /(.*)\/[^\/]*$/) {
668 local($dir_part) = $1;
669 if (! -d $dir_part) {
670 print STDERR "$Pgm: no such directory: $dir_part\n";
676 /^-odump$/ && do { $Specific_dump_file = &grab_arg_arg('-odump', '');
677 if ($Specific_dump_file =~ /(.*)\/[^\/]*$/) {
678 local($dir_part) = $1;
679 if (! -d $dir_part) {
680 print STDERR "$Pgm: no such directory: $dir_part\n";
686 /^-odir$/ && do { $Specific_output_dir = &grab_arg_arg('-odir', '');
687 if (! -d $Specific_output_dir) {
688 print STDERR "$Pgm: -odir: no such directory: $Specific_output_dir\n";
693 /^-osuf$/ && do { $Osuffix = &grab_arg_arg('-osuf', ''); next arg; };
694 /^-hisuf$/ && do { $HiSuffix = &grab_arg_arg('-hisuf', '');
695 push(@HsP_flags, "-h$HiSuffix");
698 /^-hisuf-prelude$/ && do { # as esoteric as they come...
699 local($suffix) = &grab_arg_arg('-hisuf-prelude', '');
700 push(@HsP_flags, "-g$suffix");
703 #-------------- scc & Profiling Stuff ----------------------------------
705 /^-prof$/ && do { $PROFing = 'p'; next arg; }; # profiling -- details later!
708 # generate auto SCCs on top level bindings
709 # -auto-all = all top level bindings
710 # -auto = only top level exported bindings
711 $PROFauto = ( /-all/ )
712 ? '-fauto-sccs-on-all-toplevs'
713 : '-fauto-sccs-on-exported-toplevs';
716 /^-caf-all/ && do { # generate individual CAF SCC annotations
717 $PROFcaf = '-fauto-sccs-on-individual-cafs';
721 # /^-dict-all/ && do { # generate individual SCC annotations on dictionaries
722 # $PROFdict = '-fauto-sccs-on-individual-dicts';
725 /^-ignore-scc$/ && do {
726 # forces ignore of scc annotations even if profiling
727 $PROFignore_scc = '-W';
730 /^-G(.*)$/ && do { push(@HsC_flags, $_); # set group for cost centres
733 #--------- ticky/concurrent/parallel -----------------------------------
734 # we sort out the details a bit later on
736 /^-concurrent$/ && do { $CONCURing = 'c'; next arg; }; # concurrent Haskell
737 /^-gransim$/ && do { $GRANing = 'g'; next arg; }; # GranSim
738 /^-ticky$/ && do { $TICKYing = 't'; next arg; }; # ticky-ticky
739 /^-parallel$/ && do { $PARing = 'p'; next arg; } ; # parallel Haskell
741 #-------------- "user ways" --------------------------------------------
743 (/^-user-setup-([a-oA-Z])$/
744 || /^$(GHC_BUILD_FLAG_a)$/
745 || /^$(GHC_BUILD_FLAG_b)$/
746 || /^$(GHC_BUILD_FLAG_c)$/
747 || /^$(GHC_BUILD_FLAG_d)$/
748 || /^$(GHC_BUILD_FLAG_e)$/
749 || /^$(GHC_BUILD_FLAG_f)$/
750 || /^$(GHC_BUILD_FLAG_g)$/
751 || /^$(GHC_BUILD_FLAG_h)$/
752 || /^$(GHC_BUILD_FLAG_i)$/
753 || /^$(GHC_BUILD_FLAG_j)$/
754 || /^$(GHC_BUILD_FLAG_k)$/
755 || /^$(GHC_BUILD_FLAG_l)$/
756 || /^$(GHC_BUILD_FLAG_m)$/
757 || /^$(GHC_BUILD_FLAG_n)$/
758 || /^$(GHC_BUILD_FLAG_o)$/
759 || /^$(GHC_BUILD_FLAG_A)$/
760 || /^$(GHC_BUILD_FLAG_B)$/
762 || /^$(GHC_BUILD_FLAG_2s)$/ # GC ones...
763 || /^$(GHC_BUILD_FLAG_1s)$/
764 || /^$(GHC_BUILD_FLAG_du)$/
766 /^-user-setup-([a-oA-Z])$/ && do { $BuildTag = "_$1"; };
768 /^$(GHC_BUILD_FLAG_a)$/ && do { $BuildTag = '_a'; };
769 /^$(GHC_BUILD_FLAG_b)$/ && do { $BuildTag = '_b'; };
770 /^$(GHC_BUILD_FLAG_c)$/ && do { $BuildTag = '_c'; };
771 /^$(GHC_BUILD_FLAG_d)$/ && do { $BuildTag = '_d'; };
772 /^$(GHC_BUILD_FLAG_e)$/ && do { $BuildTag = '_e'; };
773 /^$(GHC_BUILD_FLAG_f)$/ && do { $BuildTag = '_f'; };
774 /^$(GHC_BUILD_FLAG_g)$/ && do { $BuildTag = '_g'; };
775 /^$(GHC_BUILD_FLAG_h)$/ && do { $BuildTag = '_h'; };
776 /^$(GHC_BUILD_FLAG_i)$/ && do { $BuildTag = '_i'; };
777 /^$(GHC_BUILD_FLAG_j)$/ && do { $BuildTag = '_j'; };
778 /^$(GHC_BUILD_FLAG_k)$/ && do { $BuildTag = '_k'; };
779 /^$(GHC_BUILD_FLAG_l)$/ && do { $BuildTag = '_l'; };
780 /^$(GHC_BUILD_FLAG_m)$/ && do { $BuildTag = '_m'; };
781 /^$(GHC_BUILD_FLAG_n)$/ && do { $BuildTag = '_n'; };
782 /^$(GHC_BUILD_FLAG_o)$/ && do { $BuildTag = '_o'; };
783 /^$(GHC_BUILD_FLAG_A)$/ && do { $BuildTag = '_A'; };
784 /^$(GHC_BUILD_FLAG_B)$/ && do { $BuildTag = '_B'; };
786 /^$(GHC_BUILD_FLAG_2s)$/ && do { $BuildTag = '_2s'; };
787 /^$(GHC_BUILD_FLAG_1s)$/ && do { $BuildTag = '_1s'; };
788 /^$(GHC_BUILD_FLAG_du)$/ && do { $BuildTag = '_du'; };
790 local($stuff) = $UserSetupOpts{$BuildTag};
791 local(@opts) = split(/\s+/, $stuff);
793 # feed relevant ops into the arg-processing loop (if any)
794 unshift(@ARGV, @opts) if $#opts >= 0;
798 #---------- set search paths for libraries and things ------------------
800 # we do -i just like HBC (-i clears the list; -i<colon-separated-items>
801 # prepends the items to the list); -I is for including C .h files.
803 /^-i$/ && do { @Import_dir = (); # import path cleared!
805 print STDERR "WARNING: import paths cleared by `-i'\n";
808 /^-i(.*)/ && do { local(@new_items)
809 = split( /:/, &grab_arg_arg('-i', $1));
810 unshift(@Import_dir, @new_items);
813 /^-I(.*)/ && do { push(@Include_dir, &grab_arg_arg('-I', $1)); next arg; };
814 /^-L(.*)/ && do { push(@UserLibrary_dir, &grab_arg_arg('-L', $1)); next arg; };
815 /^-l(.*)/ && do { push(@UserLibrary,'-l'.&grab_arg_arg('-l', $1)); next arg; };
817 /^-syslib(.*)/ && do { local($syslib) = &grab_arg_arg('-syslib',$1);
818 print STDERR "$Pgm: no such system library (-syslib): $syslib\n",
819 $Status++ unless $syslib =~ /^(hbc|ghc|contrib)$/;
821 unshift(@SysImport_dir,
823 ? "$InstDataDirGhc/imports/$syslib"
824 : "$TopPwd/$(CURRENT_DIR)/$(GHC_LIBSRC)/$syslib");
826 unshift(@SysLibrary, ('-lHS' . $syslib ));
830 #=======================================================================
831 # various flags that we can harmlessly send to one program or another
832 # (we will later "reclaim" some of the compiler ones now sent to gcc)
833 #=======================================================================
835 #---------- this driver itself (ghc) -----------------------------------
836 # these change what executable is run for each phase:
837 /^-pgmL(.*)$/ && do { $Unlit = $1; next arg; };
838 /^-pgmP(.*)$/ && do { $HsCpp = $1; next arg; };
839 /^-pgmp(.*)$/ && do { $HsP = $1; next arg; };
840 /^-pgmC(.*)$/ && do { $HsC = $1; next arg; };
841 /^-pgmcO(.*)$/ && do { $CcRegd = $1; next arg; };
842 /^-pgmc(.*)$/ && do { $CcUnregd = $1; next arg; };
843 /^-pgma(.*)$/ && do { $As = $1; next arg; };
844 /^-pgml(.*)$/ && do { $Lnkr = $1; next arg; };
846 #---------- the get-anything-through opts (all pgms) -------------------
847 # these allow arbitrary option-strings to go to any phase:
848 /^-optL(.*)$/ && do { push(@Unlit_flags, $1); next arg; };
849 /^-optP(.*)$/ && do { push(@HsCpp_flags, $1); next arg; };
850 /^-optp(.*)$/ && do { push(@HsP_flags, $1); next arg; };
851 /^-optCrts(.*)$/&& do { push(@HsC_rts_flags, $1); next arg; };
852 /^-optC(.*)$/ && do { push(@HsC_flags, $1); next arg; };
853 /^-optcNhc(.*)$/ && do { push(@CcUnregd_flags_hc,$1); next arg; };
854 /^-optcNc(.*)$/ && do { push(@CcUnregd_flags_c,$1); next arg; };
855 /^-optcN(.*)$/ && do { push(@CcUnregd_flags, $1); next arg; };
856 /^-optcOhc(.*)$/&& do { push(@CcRegd_flags_hc,$1); next arg; };
857 /^-optcOc(.*)$/ && do { push(@CcRegd_flags_c, $1); next arg; };
858 /^-optcO(.*)$/ && do { push(@CcRegd_flags, $1); next arg; };
859 /^-optc(.*)$/ && do { push(@CcBoth_flags, $1); next arg; };
860 /^-opta(.*)$/ && do { push(@As_flags, $1); next arg; };
861 /^-optl(.*)$/ && do { push(@Ld_flags, $1); next arg; };
863 #---------- Haskell C pre-processor (hscpp) ----------------------------
864 /^-D(.*)/ && do { push(@HsCpp_flags, "'-D".&grab_arg_arg('-D',$1)."'"); next arg; };
865 /^-U(.*)/ && do { push(@HsCpp_flags, "'-U".&grab_arg_arg('-U',$1)."'"); next arg; };
867 /^-genSPECS/ && do { $Cpp_flag_set = 1;
871 #---------- Haskell parser (hsp) ---------------------------------------
872 /^-ddump-parser$/ && do { $Dump_parser_output = 1; next arg; };
874 #---------- post-Haskell "assembler"------------------------------------
875 /^-ddump-raw-asm$/ && do { $Dump_raw_asm = 1; next arg; };
876 /^-ddump-asm-insn-counts$/ && do { $Dump_asm_insn_counts = 1; next arg; };
877 /^-ddump-asm-globals-info$/ && do { $Dump_asm_globals_info = 1; next arg; };
879 /^-ddump-asm-splitting-info$/ && do { $Dump_asm_splitting_info = 1; next arg; };
881 #---------- Haskell compiler (hsc) -------------------------------------
883 # possibly resurrect LATER
884 # /^-fspat-profiling$/ && do { push(@HsC_flags, '-fticky-ticky');
885 # $ProduceS = ''; $ProduceC = 1; # must use C compiler
886 # push(@CcBoth_flags, '-DDO_SPAT_PROFILING');
887 # push(@CcBoth_flags, '-fno-schedule-insns'); # not essential
890 /^-keep-hc-files?-too$/ && do { $Keep_hc_file_too = 1; next arg; };
891 /^-keep-s-files?-too$/ && do { $Keep_s_file_too = 1; next arg; };
893 /^-fhaskell-1\.3$/ && do { $haskell1_version = 3;
894 push(@HsP_flags, '-3');
895 push(@HsC_flags, $_);
896 $TopClosureFile =~ s/TopClosureXXXX/TopClosure13XXXX/;
897 unshift(@SysImport_dir,
899 ? "$InstDataDirGhc/imports/haskell-1.3"
900 : "$TopPwd/$(CURRENT_DIR)/$(GHC_LIBSRC)/haskell-1.3");
902 unshift(@SysLibrary, '-lHS13');
906 /^-fno-implicit-prelude$/ && do { push(@HsP_flags, '-P'); next arg; };
907 /^-fignore-interface-pragmas$/ && do { push(@HsP_flags, '-p'); next arg; };
909 /^-prelude$/ && do { $CompilingPrelude = 1;
910 push(@HsC_flags, $_); next arg; };
912 /^-user-prelude-force/ && do { # ignore if not -user-prelude
915 /^-split-objs(.*)/ && do {
916 local($sname) = &grab_arg_arg('-split-objs', $1);
917 $sname =~ s/ //g; # no spaces
919 if ( $TargetPlatform =~ /^(alpha|hppa1\.1|i386|m68k|mips|powerpc|sparc)-/ ) {
924 push(@HsC_flags, "-fglobalise-toplev-names$sname");
925 push(@CcBoth_flags, '-DUSE_SPLIT_MARKERS');
927 require('ghc-split.prl')
928 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-split.prl!\n");
931 print STDERR "WARNING: don't know how to split objects on this platform: $TargetPlatform\n`-split-objs' option ignored\n";
935 /^-f(hide-builtin-names|min-builtin-names)$/
936 && do { push(@HsC_flags, $_);
937 push(@HsP_flags, '-P'); # don't read Prelude.hi
938 push(@HsP_flags, '-N'); # allow foo# names
940 /^-f(glasgow-exts|hide-builtin-instances)$/
941 && do { push(@HsC_flags, $_);
942 push(@HsP_flags, '-N');
944 # push(@HsC_flags, '-fshow-import-specs');
946 if ( ! $(INSTALLING) ) {
947 unshift(@SysImport_dir,
948 "$TopPwd/$(CURRENT_DIR)/$(GHC_LIBSRC)/glaExts");
952 /^-fspeciali[sz]e-unboxed$/
953 && do { $Oopt_DoSpecialise = '-fspecialise';
954 $Oopt_SpecialiseUnboxed = '-fspecialise-unboxed';
957 && do { $Oopt_DoSpecialise = '-fspecialise';
959 /^-fno-speciali[sz]e$/
960 && do { $Oopt_DoSpecialise = '';
964 # Now the foldr/build options, which are *on* by default (for -O).
967 && do { $Oopt_FoldrBuild = 1;
968 $Oopt_FB_Support = '-fdo-new-occur-anal -fdo-arity-expand';
973 && do { $Oopt_FoldrBuild = 0;
974 $Oopt_FB_Support = '';
977 /^-fno-foldr-build-rule$/
978 && do { $Oopt_FoldrBuild = 0;
982 && do { $Oopt_FB_Support = '';
985 /^-fno-snapback-to-append$/
986 && do { $Oopt_FoldrBuildInline .= ' -fdo-not-fold-back-append ';
987 #print "No Foldback of append\n";
990 # /^-ffoldr-build-ww$/
991 # && do { $Oopt_FoldrBuildWW = 1; next arg; };
994 /^-fasm-(.*)$/ && do { $ProduceS = $1; $ProduceC = 0; # force using nativeGen
995 push(@HsC_flags, $_); # if from the command line
998 /^-fvia-C$/ && do { $ProduceS = ''; $ProduceC = 1; # force using C compiler
1001 /^-f(no-)?omit-frame-pointer$/ && do {
1002 unshift(@CcBoth_flags, ( $_ ));
1007 /^(-fsimpl-uf-use-threshold)(.*)$/
1008 && do { $Oopt_UnfoldingUseThreshold = $1 . &grab_arg_arg($1, $2);
1011 /^(-fmax-simplifier-iterations)(.*)$/
1012 && do { $Oopt_MaxSimplifierIterations = $1 . &grab_arg_arg($1, $2);
1015 /^-fno-pedantic-bottoms$/
1016 && do { $Oopt_PedanticBottoms = ''; next arg; };
1018 /^-fdo-monad-eta-expansion$/
1019 && do { $Oopt_MonadEtaExpansion = $_; next arg; };
1021 /^-fno-let-from-(case|app|strict-let)$/ # experimental, really (WDP 95/10)
1022 && do { push(@HsC_flags, $_); next arg; };
1024 /^(-freturn-in-regs-threshold)(.*)$/
1025 && do { local($what) = $1;
1026 local($num) = &grab_arg_arg($what, $2);
1027 if ($num < 2 || $num > 8) {
1028 die "Bad experimental flag: $_\n";
1030 $ProduceS = ''; $ProduceC = 1; # force using C compiler
1031 push(@HsC_flags, "$what$num");
1032 push(@CcRegd_flags, "-D__STG_REGS_AVAIL__=$num");
1036 # /^-flambda-lift$/ # so Simon can do some testing; ToDo:rm
1037 # && do { $Oopt_LambdaLift = $_; next arg; };
1041 /^-fno-(.*)$/ && do { push(@HsC_antiflags, "-f$1");
1042 &squashHscFlag("-f$1");
1045 /^-f/ && do { push(@HsC_flags, $_); next arg; };
1049 /^-mlong-calls$/ && do { # for GCC for HP-PA boxes
1050 unshift(@CcBoth_flags, ( $_ ));
1053 /^-m(v8|sparclite|cypress|supersparc|cpu=(cypress|supersparc))$/
1054 && do { # for GCC for SPARCs
1055 unshift(@CcBoth_flags, ( $_ ));
1058 /^-monly-([432])-regs/ && do { # for iX86 boxes only; no effect otherwise
1059 $StolenX86Regs = $1;
1062 /^-mtoggle-sp-mangling/ && do { # for iX86 boxes only; for RTS only
1063 print STDERR "$Pgm: warning: -mtoggle-sp-mangling is no longer supported\n";
1064 # $SpX86Mangling = 1 - $SpX86Mangling;
1067 #*************** ... and lots of debugging ones (form: -d* )
1069 /^-darity-checks$/ && do {
1070 push(@HsC_flags, $_);
1071 push(@CcBoth_flags, '-D__DO_ARITY_CHKS__');
1073 /^-darity-checks-C-only$/ && do {
1074 # so we'll have arity-checkable .hc files
1075 # should we decide we need them later...
1076 push(@HsC_flags, '-darity-checks');
1078 /^-dno-stk-checks$/ && do {
1079 push(@HsC_flags, '-dno-stk-chks');
1080 push(@CcBoth_flags, '-D__OMIT_STK_CHKS__');
1083 # -d(no-)core-lint is done this way so it is turn-off-able.
1084 /^-dcore-lint/ && do { $CoreLint = '-dcore-lint'; next arg; };
1085 /^-dno-core-lint/ && do { $CoreLint = ''; next arg; };
1087 /^-d(dump|ppr)-/ && do { push(@HsC_flags, $_); next arg; };
1088 /^-dverbose-(simpl|stg)/ && do { push(@HsC_flags, $_); next arg; };
1089 /^-dshow-passes/ && do { push(@HsC_flags, $_); next arg; };
1090 /^-dsource-stats/ && do { push(@HsC_flags, $_); next arg; };
1091 /^-dsimplifier-stats/ && do { push(@HsC_flags, $_); next arg; };
1092 /^-dstg-stats/ && do { $Oopt_StgStats = $_; next arg; };
1094 #*************** ... and now all these -R* ones for its runtime system...
1096 /^-Rhbc$/ && do { $RTS_style = 'hbc'; next arg; };
1097 /^-Rghc$/ && do { $RTS_style = 'ghc'; next arg; };
1099 /^-Rscale-sizes?(.*)/ && do {
1100 $Scale_sizes_by = &grab_arg_arg('-Rscale-sizes', $1);
1103 /^(-H|-Rmax-heapsize)(.*)/ && do {
1104 local($heap_size) = &grab_arg_arg($1, $2);
1105 if ($heap_size =~ /(\d+)[Kk]$/) {
1106 $heap_size = $1 * 1000;
1107 } elsif ($heap_size =~ /(\d+)[Mm]$/) {
1108 $heap_size = $1 * 1000 * 1000;
1109 } elsif ($heap_size =~ /(\d+)[Gg]$/) {
1110 $heap_size = $1 * 1000 * 1000 * 1000;
1112 if ($heap_size <= 0) {
1113 print STDERR "$Pgm: resetting heap-size to zero!!!\n";
1114 $Specific_heap_size = 0;
1116 # if several heap sizes given, take the largest...
1117 if ($heap_size >= $Specific_heap_size) {
1118 $Specific_heap_size = $heap_size;
1120 print STDERR "$Pgm: ignoring heap-size-setting option ($_)...not the largest seen\n";
1124 /^-(K|Rmax-(stk|stack)size)(.*)/ && do {
1125 local($stk_size) = &grab_arg_arg('-Rmax-stksize', $3);
1126 if ($stk_size =~ /(\d+)[Kk]$/) {
1127 $stk_size = $1 * 1000;
1128 } elsif ($stk_size =~ /(\d+)[Mm]$/) {
1129 $stk_size = $1 * 1000 * 1000;
1130 } elsif ($stk_size =~ /(\d+)[Gg]$/) {
1131 $stk_size = $1 * 1000 * 1000 * 1000;
1133 if ($stk_size <= 0) {
1134 print STDERR "$Pgm: resetting stack-size to zero!!!\n";
1135 $Specific_stk_size = 0;
1137 # if several stack sizes given, take the largest...
1138 if ($stk_size >= $Specific_stk_size) {
1139 $Specific_stk_size = $stk_size;
1141 print STDERR "$Pgm: ignoring stack-size-setting option (-Rmax-stksize $stk_size)...not the largest seen\n";
1145 /^-Rgc-stats$/ && do { $CollectingGCstats++;
1146 # the two RTSs do this diff ways; we will try to compensate
1149 /^-Rghc-timing/ && do { $CollectGhcTimings = 1; next arg; };
1151 #---------- C high-level assembler (gcc) -------------------------------
1152 # OLD: and dangerous
1153 # /^-g$/ && do { push(@CcBoth_flags, $_); next arg; };
1154 # /^-(p|pg)$/ && do { push(@CcBoth_flags, $_); push(@Ld_flags, $_); next arg; };
1155 # /^-(fpic|fPIC)$/ && do { push(@CcBoth_flags, $_); push(@As_flags, $_); next arg; };
1157 /^-(Wall|ansi|pedantic)$/ && do { push(@CcBoth_flags, $_); next arg; };
1159 # -dgcc-lint is a useful way of making GCC very fussy.
1160 # From alan@spri.levels.unisa.edu.au (Alan Modra).
1161 /^-dgcc-lint$/ && do { push(@CcBoth_flags, '-Wall -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs'); next arg; };
1162 # An alternate set, from mark@sgcs.com (Mark W. Snitily)
1163 # -Wall -Wstrict-prototypes -Wmissing-prototypes -Wcast-align -Wshadow
1165 # inject "#include <wurble>" into the compiler's C output!
1167 /^-#include(.*)/ && do {
1168 local($to_include) = &grab_arg_arg('-#include', $1);
1169 push(@CcInjects, "#include $to_include\n");
1172 #---------- Linker (gcc, really) ---------------------------------------
1174 /^-static$/ && do { push(@Ld_flags, $_); next arg; };
1176 #---------- mixed cc and linker magic ----------------------------------
1177 # this optimisation stuff is finally sorted out later on...
1179 # /^-O0$/ && do { # turn all optimisation *OFF*
1181 # $ProduceS = ''; $ProduceC = 1; # force use of C compiler
1184 /^-O2-for-C$/ && do { $MinusO2ForC = 1; next arg; };
1186 /^-O[1-2]?$/ && do {
1187 local($opt_lev) = ( /^-O2$/ ) ? 2 : 1; # max 'em
1188 $OptLevel = ( $opt_lev > $OptLevel ) ? $opt_lev : $OptLevel;
1190 if ( $OptLevel == 2 ) { # force use of C compiler
1191 $ProduceS = ''; $ProduceC = 1;
1195 /^-Onot$/ && do { $OptLevel = 0; next arg; }; # # set it to <no opt>
1197 /^-Ofile(.*)/ && do {
1199 local($ofile) = &grab_arg_arg('-Ofile', $1);
1200 @HsC_minusO3_flags = ();
1202 open(OFILE, "< $ofile") || die "Can't open $ofile!\n";
1205 s/\#.*//; # death to comments
1206 s/[ \t]+//g; # death to whitespace
1207 next if /^$/; # ditto, blank lines
1208 s/([()*{}])/\\$1/g; # protect shell metacharacters
1210 push(@CcBoth_flags, $1);
1212 push(@HsC_minusO3_flags, $_);
1218 /^-debug$/ && do { # all this does is mark a .hc/.o as "debugging"
1219 # in the consistency info
1223 #---------- linking .a file --------------------------------------------
1225 /^-Main(.*)/ && do {
1226 # specifies main or mainPrimIO to be linked
1230 #---------- catch unrecognized flags -----------------------------------
1233 print STDERR "$Pgm: unrecognised option: $_\n";
1237 #---------- anything else is considered an input file ------------------
1238 # (well, .o and .a files are immediately queued up as linker fodder..)
1240 push(@Link_file, $_);
1242 push(@Input_file, $_);
1245 # input files must exist:
1247 print STDERR "$Pgm: input file doesn't exist: $_\n";
1252 # if there are several input files,
1253 # we don't allow \tr{-o <file>} or \tr{-ohi <file>} options...
1254 # (except if linking, of course)
1256 if ($#Input_file > 0 && ( ! $Do_lnkr )) {
1257 if ( ($Specific_output_file ne '' && $Specific_output_file ne '-')
1258 || ($Specific_hi_file ne '' && $Specific_hi_file ne '-') ) {
1259 print STDERR "$Pgm: You can't use -o or -ohi options if you have multiple input files.\n";
1260 print STDERR "\tPerhaps the -odir option will do what you want.\n";
1265 # check for various pathological -o and -odir combinations...
1266 if ($Specific_output_dir ne '' && $Specific_output_file ne '') {
1267 if ($Specific_output_file eq '-') {
1268 print STDERR "$Pgm: can't set output directory with -ohi AND have output to stdout\n";
1270 } else { # amalgamate...
1271 $Specific_output_file = "$Specific_output_dir/$Specific_output_file";
1272 # ToDo: check we haven't got a junk name now...
1273 $Specific_output_dir = ''; # reset
1277 # PROFILING stuff after argv mangling:
1279 # warn about any scc exprs found (in case scc used as identifier)
1280 push(@HsP_flags, '-W');
1282 $Oopt_AddAutoSccs = '-fadd-auto-sccs' if $PROFauto;
1283 $Oopt_FinalStgProfilingMassage = '-fmassage-stg-for-profiling';
1285 push(@HsC_flags, $PROFauto) if $PROFauto;
1286 push(@HsC_flags, $PROFcaf) if $PROFcaf;
1287 #UNUSED: push(@HsC_flags, $PROFdict) if $PROFdict;
1289 push(@HsP_flags, (($PROFignore_scc) ? $PROFignore_scc : '-S'));
1291 if ($SplitObjFiles && ! $CompilingPrelude) {
1292 # can't split with cost centres -- would need global and externs
1293 print STDERR "$Pgm: WARNING: splitting objects when profiling will *BREAK* if any _scc_s are present!\n";
1294 # (but it's fine if there aren't any _scc_s around...)
1295 # $SplitObjFiles = 0; # unset
1296 #not an error: for now: $Status++;
1300 # crash and burn if there were errors
1301 if ( $Status > 0 ) {
1302 print STDERR $ShortUsage;
1307 %************************************************************************
1309 \section[Driver-post-argv-mangling]{Setup after reading options}
1311 %************************************************************************
1313 %************************************************************************
1315 \subsection{Set up for optimisation level (\tr{-O} or whatever)}
1317 %************************************************************************
1319 We come now to the default ``wads of options'' that are turned on by
1320 \tr{-O0} (do min optimisation), \tr{-O} (ordinary optimisation),
1321 \tr{-O2} (aggressive optimisation), or no O-ish flag (compile speed is
1324 The user can also specify his/her own list of options in a file; in
1325 that case, the work is already done (see stuff about @minusO3@,
1328 GHC allows very precise control of what happens during a compilation.
1329 Core-to-Core and STG-to-STG passes can be run in any order, as many
1330 times as you like. Individual transformations can be turned on or
1333 Sadly, however, there are some interdependencies \& Things You Must
1334 Not Do. Here is the list.
1336 CORE-TO-CORE PASSES:
1338 \item[\tr{-fspecialise}:]
1339 The specialiser must have dependency-analysed input; but if you run
1340 the simplifier to do this, you must not let it toss away unused
1341 bindings! (The typechecker conveys some specialisation info via
1342 ``unused'' bindings...)
1344 \item[\tr{-ffloat-inwards}:]
1345 Floating inwards should be done before strictness analysis, because
1346 the latter will give better results.
1348 \item[\tr{-fstatic-args}:]
1349 The static-arguments-transformation pass {\em must} have the
1350 simplifier run right after it.
1352 \item[\tr{-fcalc-inlinings[12]}:]
1353 Not required, but there may be slight gains by re-simplifying after
1354 this is done. (You could then \tr{-fcalc-inlinings} again, just for
1357 \item[\tr{-ffull-laziness}:]
1358 The (outwards-)let-floater should be the {\em last} Core-to-Core pass
1359 that's run. (Um, well, howzabout the simplifier just once more...)
1364 \item[\tr{-fupdate-analysis}:]
1365 It really really wants to be the last STG-to-STG pass that is run.
1371 # = ( $Oopt_AddAutoSccs,
1372 # '-fsimplify', # would rather *not* run the simplifier (ToDo)
1373 # '\(', '\)', # nothing special at all ????
1375 # $Oopt_FinalStgProfilingMassage
1382 # '-falways-float-lets-from-lets', # no idea why this was here (WDP 95/09)
1383 '-ffloat-lets-exposing-whnf',
1384 '-ffloat-primops-ok',
1386 # '-fdo-lambda-eta-expansion', # too complicated
1388 # '-flet-to-case', # no strictness analysis, so...
1389 "$Oopt_PedanticBottoms",
1390 # "$Oopt_MonadEtaExpansion", # no thanks
1391 '-fsimpl-uf-use-threshold0',
1392 '-fessential-unfoldings-only',
1393 # "$Oopt_UnfoldingUseThreshold", # no thanks
1394 "$Oopt_MaxSimplifierIterations",
1397 # '-ffull-laziness', # removed 95/04 WDP following Andr\'e's lead
1398 '-fuse-get-mentioned-vars', # for the renamer
1400 $Oopt_FinalStgProfilingMassage
1403 @HsC_minusO_flags # NOTE: used for *both* -O and -O2 (some conditional bits)
1405 # initial simplify: mk specialiser and autoscc happy: minimum effort please
1409 '-fkeep-spec-pragma-ids', # required before specialisation
1410 '-fsimpl-uf-use-threshold0',
1411 '-fessential-unfoldings-only',
1412 '-fmax-simplifier-iterations1',
1413 "$Oopt_PedanticBottoms",
1416 $Oopt_AddAutoSccs, # need some basic simplification first
1418 ($Oopt_DoSpecialise) ? (
1419 '-fspecialise-overloaded',
1420 $Oopt_SpecialiseUnboxed,
1424 '-fsimplify', # need dependency anal after specialiser ...
1425 '\(', # need tossing before calc-inlinings ...
1427 '-ffloat-lets-exposing-whnf',
1428 '-ffloat-primops-ok',
1431 '-fdo-eta-reduction',
1432 '-fdo-lambda-eta-expansion',
1434 "$Oopt_PedanticBottoms",
1435 "$Oopt_MonadEtaExpansion",
1436 "$Oopt_UnfoldingUseThreshold",
1437 "$Oopt_MaxSimplifierIterations",
1440 '-fcalc-inlinings1',
1442 # ($Oopt_FoldrBuildWW) ? (
1443 # '-ffoldr-build-ww-anal',
1444 # '-ffoldr-build-worker-wrapper',
1447 # "$Oopt_FB_Support",
1448 # '-ffloat-lets-exposing-whnf',
1449 # '-ffloat-primops-ok',
1452 # '-fdo-eta-reduction',
1453 # '-fdo-lambda-eta-expansion',
1455 # "$Oopt_PedanticBottoms",
1456 # "$Oopt_MonadEtaExpansion",
1457 # "$Oopt_UnfoldingUseThreshold",
1458 # "$Oopt_MaxSimplifierIterations",
1462 # this pass-ordering sequence was agreed by Simon and Andr\'e
1463 # (WDP 94/07, 94/11).
1466 ($Oopt_FoldrBuild) ? (
1467 '-ffoldr-build-on', # desugar list comprehensions for foldr/build
1471 '-fignore-inline-pragma', # **** NB!
1472 '-fdo-foldr-build', # NB
1474 '-ffloat-lets-exposing-whnf',
1475 '-ffloat-primops-ok',
1478 '-fdo-eta-reduction',
1479 '-fdo-lambda-eta-expansion',
1481 "$Oopt_PedanticBottoms",
1482 "$Oopt_MonadEtaExpansion",
1483 "$Oopt_UnfoldingUseThreshold",
1484 "$Oopt_MaxSimplifierIterations",
1493 '-ffloat-lets-exposing-whnf',
1494 '-ffloat-primops-ok',
1497 '-fdo-eta-reduction',
1498 '-fdo-lambda-eta-expansion',
1500 ($Oopt_FoldrBuildInline),
1501 # you need to inline foldr and build
1502 ($Oopt_FoldrBuild) ? ('-fdo-foldr-build') : (),
1503 # but do reductions if you see them!
1504 "$Oopt_PedanticBottoms",
1505 "$Oopt_MonadEtaExpansion",
1506 "$Oopt_UnfoldingUseThreshold",
1507 "$Oopt_MaxSimplifierIterations",
1515 '-ffloat-lets-exposing-whnf',
1516 '-ffloat-primops-ok',
1519 '-fdo-eta-reduction',
1520 '-fdo-lambda-eta-expansion',
1522 '-flet-to-case', # Aha! Only done after strictness analysis
1523 "$Oopt_PedanticBottoms",
1524 "$Oopt_MonadEtaExpansion",
1525 "$Oopt_UnfoldingUseThreshold",
1526 "$Oopt_MaxSimplifierIterations",
1531 # Case-liberation for -O2. This should be after
1532 # strictness analysis and the simplification which follows it.
1534 # ( ($OptLevel != 2)
1536 # : "-fliberate-case -fsimplify \\( "$Oopt_FB_Support" -ffloat-lets-exposing-whnf -ffloat-primops-ok -fcase-of-case -fdo-case-elim -fdo-eta-reduction -fdo-lambda-eta-expansion -freuse-con -flet-to-case $Oopt_PedanticBottoms $Oopt_MonadEtaExpansion $Oopt_UnfoldingUseThreshold $Oopt_MaxSimplifierIterations \\)" ),
1538 # Final clean-up simplification:
1543 '-ffloat-lets-exposing-whnf',
1544 '-ffloat-primops-ok',
1547 '-fdo-eta-reduction',
1548 '-fdo-lambda-eta-expansion',
1551 '-fignore-inline-pragma', # **** NB!
1552 $Oopt_FoldrBuildInline,
1553 ($Oopt_FoldrBuild) ? ('-fdo-foldr-build') : (),
1554 # but still do reductions if you see them!
1555 "$Oopt_PedanticBottoms",
1556 "$Oopt_MonadEtaExpansion",
1557 "$Oopt_UnfoldingUseThreshold",
1558 "$Oopt_MaxSimplifierIterations",
1563 '-fcalc-inlinings2',
1566 '-fupdate-analysis',
1568 $Oopt_FinalStgProfilingMassage,
1574 # SPECIAL FLAGS for -O2
1575 ($OptLevel == 2) ? (
1581 Sort out what we're going to do about optimising. First, the @hsc@
1582 flags and regular @cc@ flags to worry about:
1584 #if ( $OptLevel < 0 ) {
1586 # &add_Hsc_flags( @HsC_minusO0_flags );
1588 if ( $OptLevel <= 0 ) {
1590 # for this level, we tell the parser -fignore-interface-pragmas
1591 push(@HsP_flags, '-p');
1592 # and tell the compiler not to produce them
1593 push(@HsC_flags, '-fomit-interface-pragmas');
1595 &add_Hsc_flags( @HsC_minusNoO_flags );
1596 push(@CcBoth_flags, ($MinusO2ForC) ? '-O2' : '-O'); # not optional!
1598 } elsif ( $OptLevel == 1 || $OptLevel == 2 ) {
1600 &add_Hsc_flags( @HsC_minusO_flags );
1601 push(@CcBoth_flags, ($MinusO2ForC || $OptLevel == 2) ? '-O2' : '-O'); # not optional!
1602 # -O? to GCC is not optional! -O2 probably isn't worth it generally,
1603 # but it *is* useful in compiling the garbage collectors (so said
1604 # Patrick many moons ago...).
1606 } else { # -Ofile, then...
1608 &add_Hsc_flags( @HsC_minusO3_flags );
1609 push(@CcBoth_flags, ($MinusO2ForC) ? '-O2' : '-O'); # possibly to be elaborated...
1613 %************************************************************************
1615 \subsection{Check for registerising, consistency, etc.}
1617 %************************************************************************
1619 Are we capable of generating ``registerisable'' C (either using
1620 C or via equivalent native code)?
1623 $RegisteriseC = ( $GccAvailable
1624 && $RegisteriseC ne 'no' # not explicitly *un*set...
1625 && ($TargetPlatform =~ /^(alpha|hppa1\.1|i386|m68k|mips|powerpc|sparc)-/)
1629 Sort out @$BuildTag@, @$PROFing@, @$CONCURing@, @$PARing@,
1630 @$GRANing@, @$TICKYing@:
1632 if ( $BuildTag ne '' ) {
1633 local($b) = $BuildDescr{$BuildTag};
1634 if ($PROFing eq 'p') { print STDERR "$Pgm: Can't mix $b with profiling.\n"; exit 1; }
1635 if ($CONCURing eq 'c') { print STDERR "$Pgm: Can't mix $b with -concurrent.\n"; exit 1; }
1636 if ($PARing eq 'p') { print STDERR "$Pgm: Can't mix $b with -parallel.\n"; exit 1; }
1637 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't mix $b with -gransim.\n"; exit 1; }
1638 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix $b with -ticky.\n"; exit 1; }
1640 } elsif ( $PROFing eq 'p' ) {
1641 if ($PARing eq 'p') { print STDERR "$Pgm: Can't do profiling with -parallel.\n"; exit 1; }
1642 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't do profiling with -gransim.\n"; exit 1; }
1643 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't do profiling with -ticky.\n"; exit 1; }
1644 $BuildTag = ($CONCURing eq 'c') ? '_mr' : '_p' ; # possibly "profiled concurrent"...
1646 } elsif ( $CONCURing eq 'c' ) {
1647 if ($PARing eq 'p') { print STDERR "$Pgm: Can't mix -concurrent with -parallel.\n"; exit 1; }
1648 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't mix -concurrent with -gransim.\n"; exit 1; }
1649 $BuildTag = ($TICKYing eq 't') ? '_mt' : '_mc' ; # possibly "ticky concurrent"...
1650 # "profiled concurrent" already acct'd for...
1652 } elsif ( $PARing eq 'p' ) {
1653 if ($GRANing eq 'g') { print STDERR "$Pgm: Can't mix -parallel with -gransim.\n"; exit 1; }
1654 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix -parallel with -ticky.\n"; exit 1; }
1657 if ( $Do_lnkr && ( ! $ENV{'PVM_ROOT'} || ! $ENV{'PVM_ARCH'} )) {
1658 print STDERR "$Pgm: both your PVM_ROOT and PVM_ARCH environment variables must be set for linking under -parallel.\n";
1662 } elsif ( $GRANing eq 'g' ) {
1663 if ($TICKYing eq 't') { print STDERR "$Pgm: Can't mix -gransim with -ticky.\n"; exit 1; }
1666 } elsif ( $TICKYing eq 't' ) {
1672 if ( $BuildTag ne '' ) { # something other than normal sequential...
1674 push(@HsP_flags, "-g$BuildTag.hi"); # use appropriate Prelude .hi files
1676 $ProduceC = 1; $ProduceS = ''; # must go via C
1678 # print STDERR "eval...",$EvaldSetupOpts{$BuildTag},"\n";
1680 eval($EvaldSetupOpts{$BuildTag});
1684 Decide what the consistency-checking options are in force for this run:
1686 $HsC_consist_options = "${BuildTag},${DEBUGging}";
1687 $Cc_consist_options = "${BuildTag},${DEBUGging},${RegisteriseC}";
1690 %************************************************************************
1692 \subsection{Add on machine-specific C-compiler flags}
1694 %************************************************************************
1696 Shove on magical machine-specific options. We use \tr{unshift} to
1697 stick them on the {\em front} of the arrays, so that ``later''
1698 user-specified flags can clobber them (e.g., \tr{-U__STG_REV_TBLS__}).
1700 Note: a few ``always apply'' flags were set at the very beginning.
1703 if ($TargetPlatform =~ /^alpha-/) {
1704 # we know how to *mangle* asm for alpha
1705 unshift(@CcRegd_flags, ('-D__STG_REV_TBLS__'));
1706 unshift(@CcRegd_flags, ('-DSTACK_CHECK_BY_PAGE_FAULT=1')) if $StkChkByPageFaultOK;
1707 unshift(@CcBoth_flags, ('-static')) if $GccAvailable;
1709 } elsif ($TargetPlatform =~ /^hppa/) {
1710 # we know how to *mangle* asm for hppa
1711 unshift(@CcRegd_flags, ('-D__STG_REV_TBLS__'));
1712 unshift(@CcBoth_flags, ('-static')) if $GccAvailable;
1713 # We don't put in '-mlong-calls', because it's only
1714 # needed for very big modules (sigh), and we don't want
1715 # to hobble ourselves further on all the other modules
1717 unshift(@CcBoth_flags, ('-D_HPUX_SOURCE')) if $GccAvailable;
1718 # ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
1719 # (very nice, but too bad the HP /usr/include files don't agree.)
1721 } elsif ($TargetPlatform =~ /^i386-/) {
1722 # we know how to *mangle* asm for X86
1723 unshift(@CcRegd_flags, ('-D__STG_REV_TBLS__'));
1724 unshift(@CcRegd_flags, ('-DSTACK_CHECK_BY_PAGE_FAULT=1'))
1725 if $StkChkByPageFaultOK && $TargetPlatform !~ /linux/;
1726 # NB: cannot do required signal magic on Linux for such stk chks */
1728 unshift(@CcRegd_flags, ('-m486')); # not worth not doing
1730 # -fno-defer-pop : basically the same game as for m68k
1732 # -fomit-frame-pointer : *must* ; because we're stealing
1733 # the fp (%ebp) for our register maps. *All* register
1734 # maps (in MachRegs.lh) must steal it.
1736 unshift(@CcRegd_flags_hc, '-fno-defer-pop');
1737 unshift(@CcRegd_flags, '-fomit-frame-pointer');
1738 unshift(@CcRegd_flags, "-DSTOLEN_X86_REGS=$StolenX86Regs");
1740 unshift(@CcBoth_flags, ('-static')) if $GccAvailable; # maybe unnecessary???
1742 } elsif ($TargetPlatform =~ /^m68k-/) {
1743 # we know how to *mangle* asm for m68k
1744 unshift (@CcRegd_flags, ('-D__STG_REV_TBLS__'));
1745 unshift (@CcRegd_flags, ('-DSTACK_CHECK_BY_PAGE_FAULT=1')) if $StkChkByPageFaultOK;
1747 # -fno-defer-pop : for the .hc files, we want all the pushing/
1748 # popping of args to routines to be explicit; if we let things
1749 # be deferred 'til after an STGJUMP, imminent death is certain!
1751 # -fomit-frame-pointer : *don't*
1752 # It's better to have a6 completely tied up being a frame pointer
1753 # rather than let GCC pick random things to do with it.
1754 # (If we want to steal a6, then we would try to do things
1755 # as on iX86, where we *do* steal the frame pointer [%ebp].)
1757 unshift(@CcRegd_flags_hc, '-fno-defer-pop');
1758 unshift(@CcRegd_flags, '-fno-omit-frame-pointer');
1759 # maybe gives reg alloc a better time
1760 # also: -fno-defer-pop is not sufficiently well-behaved without it
1762 } elsif ($TargetPlatform =~ /^powerpc-/) {
1763 # we know how to *mangle* asm for PowerPC
1764 unshift(@CcRegd_flags, ('-D__STG_REV_TBLS__'));
1765 unshift(@CcRegd_flags, ('-DSTACK_CHECK_BY_PAGE_FAULT=1')) if $StkChkByPageFaultOK;
1767 } elsif ($TargetPlatform =~ /^sparc-/) {
1768 # we know how to *mangle* asm for SPARC
1769 unshift(@CcRegd_flags, ('-D__STG_REV_TBLS__'));
1770 unshift(@CcRegd_flags, ('-DSTACK_CHECK_BY_PAGE_FAULT=1')) if $StkChkByPageFaultOK;
1772 } elsif ($TargetPlatform =~ /^mips-/) {
1773 # we (hope to) know how to *mangle* asm for MIPSen
1774 unshift(@CcRegd_flags, ('-D__STG_REV_TBLS__'));
1775 unshift(@CcRegd_flags, ('-DSTACK_CHECK_BY_PAGE_FAULT=1')) if $StkChkByPageFaultOK;
1776 unshift(@CcBoth_flags, ('-static')) if $GccAvailable;
1780 Same unshifting magic, but for special linker flags.
1782 Should really be whether or not we prepend underscores to global symbols,
1783 not an architecture test. (JSM)
1787 ( $TargetPlatform =~ /^alpha-/
1788 || $TargetPlatform =~ /^hppa/
1789 || $TargetPlatform =~ /^mips-sgi-irix/
1790 || $TargetPlatform =~ /^powerpc-/
1791 || $TargetPlatform =~ /-solaris/
1794 '-u', 'Main_' . $Ld_main . '_closure',
1796 '-u', 'unsafePerformPrimIO_fast1',
1797 '-u', 'Nil_closure',
1798 '-u', 'IZh_static_info',
1799 '-u', 'False_inregs_info',
1800 '-u', 'True_inregs_info',
1801 '-u', 'CZh_static_info',
1802 '-u', 'DEBUG_REGS') # just for fun, now...
1804 # nice friendly a.out machines...
1806 '-u', '_Main_' . $Ld_main . '_closure',
1808 '-u', '_unsafePerformPrimIO_fast1',
1809 '-u', '_Nil_closure',
1810 '-u', '_IZh_static_info',
1811 '-u', '_False_inregs_info',
1812 '-u', '_True_inregs_info',
1813 '-u', '_CZh_static_info',
1814 '-u', '_DEBUG_REGS')
1818 %************************************************************************
1820 \subsection{Set up include paths and system-library enslurpment}
1822 %************************************************************************
1824 Now that we know what garbage-collector, etc., are required, we can
1825 finalise our list of libraries to slurp through, and generally Get
1829 # default includes must be added AFTER option processing
1830 if ( $(INSTALLING) ) {
1831 push (@Include_dir, "$InstLibDirGhc/includes");
1832 push (@Include_dir, "$InstDataDirGhc/includes");
1835 push (@Include_dir, "$TopPwd/$(CURRENT_DIR)/$(GHC_INCLUDESRC)");
1841 foreach $f (@SysLibrary) {
1842 $f .= "${BuildTag}" if $f =~ /^-lHS/;
1845 # fiddle the TopClosure file name...
1846 $TopClosureFile =~ s/XXXX//;
1848 # Push library HSrts, plus boring clib bit
1849 push(@SysLibrary, "-lHSrts${BuildTag}");
1850 push(@SysLibrary, '-lHSclib');
1852 # Push the pvm libraries
1853 if ($BuildTag eq '_mp') {
1854 $pvmlib = "$ENV{'PVM_ROOT'}/lib/$ENV{'PVM_ARCH'}";
1855 push(@SysLibrary, "-L$pvmlib", '-lpvm3', '-lgpvm3');
1856 if ( $ENV{'PVM_ARCH'} eq 'SUNMP' ) {
1857 push(@SysLibrary, '-lthread', '-lsocket', '-lnsl');
1858 } elsif ( $ENV{'PVM_ARCH'} eq 'SUN4SOL2' ) {
1859 push(@SysLibrary, '-lsocket', '-lnsl');
1863 # Push the GNU multi-precision arith lib; and the math library
1864 push(@SysLibrary, '-lgmp');
1865 push(@SysLibrary, '-lm');
1868 %************************************************************************
1870 \subsection{Check that this system was built to do what we are asking}
1872 %************************************************************************
1874 Before continuing we check that the appropriate build is available.
1877 die "$Pgm: no BuildAvail?? $BuildTag\n" if ! $BuildAvail{$BuildTag}; # sanity
1879 if ( $BuildAvail{$BuildTag} =~ /^-build-.*-not-defined$/ ) {
1880 print STDERR "$Pgm: a `", $BuildDescr{$BuildTag},
1881 "' \"build\" is not available with your GHC setup.\n";
1882 print STDERR "(It was not configured for it at your site.)\n";
1883 print STDERR $ShortUsage;
1888 %************************************************************************
1890 \subsection{Final miscellaneous setup bits before we start going}
1892 %************************************************************************
1894 Record largest specific heapsize, if any.
1896 $Specific_heap_size = $Specific_heap_size * $Scale_sizes_by;
1897 push(@HsC_rts_flags, '-H'.$Specific_heap_size);
1898 $Specific_stk_size = $Specific_stk_size * $Scale_sizes_by;
1899 push(@HsC_rts_flags, (($RTS_style eq 'ghc') ? '-K' : '-A').$Specific_stk_size);
1901 # hack to avoid running hscpp
1902 $HsCpp = $Cat if ! $Cpp_flag_set;
1905 If no input or link files seen, then we let 'em feed in stdin; this is
1906 mainly for debugging.
1908 if ($#Input_file < 0 && $#Link_file < 0) {
1909 push(@Input_file, '-');
1913 Tell the world who we are, if they asked.
1916 print STDERR "$(PROJECTNAME), version $(PROJECTVERSION) $(PROJECTPATCHLEVEL)\n";
1920 %************************************************************************
1922 \section[Driver-main-loop]{Main loop: Process input files, and link if required}
1924 %************************************************************************
1926 Process the input files; don't continue with linking if there are
1927 problems (global variable @$Status@ non-zero).
1929 foreach $ifile (@Input_file) {
1930 &ProcessInputFile($ifile);
1933 if ( $Status > 0 ) { # don't link if there were errors...
1934 print STDERR $ShortUsage;
1940 Link if appropriate.
1944 # glue them together:
1945 push(@UserLibrary_dir, @SysLibrary_dir);
1946 if ($#UserLibrary_dir < 0) {
1949 $libdirs = '-L' . join(' -L',@UserLibrary_dir);
1951 # for a linker, use an explicitly given one, or the going C compiler ...
1952 local($lnkr) = ( $Lnkr ) ? $Lnkr : ($RegisteriseC ? $CcRegd : $CcUnregd );
1954 local($output)= ($Specific_output_file ne '') ? "-o $Specific_output_file" : '';
1955 @Files_to_tidy = ($Specific_output_file ne '') ? "$Specific_output_file" : 'a.out';
1957 local($to_do) = "$lnkr $Verbose @Ld_flags $output @Link_file $TopClosureFile $libdirs @UserLibrary @SysLibrary";
1958 &run_something($to_do, 'Linker');
1960 # finally, check the consistency info in the binary
1961 local($executable) = $Files_to_tidy[0];
1962 @Files_to_tidy = (); # reset; we don't want to nuke it if it's inconsistent
1965 # dynamically load consistency-chking code; then do it.
1966 require('ghc-consist.prl')
1967 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-consist.prl!\n");
1969 &chk_consistency_info ( $executable );
1972 # if PVM parallel stuff, we do truly weird things.
1973 # Essentially: (1) move the executable over to where PVM expects
1974 # to find it. (2) create a script in place of the executable
1975 # which will cause the program to be run, via SysMan.
1976 if ( $PARing eq 'p' ) {
1977 local($pvm_executable) = $executable;
1978 local($pvm_executable_base);
1980 if ( $pvm_executable !~ /^\// ) { # a relative path name: make absolute
1981 local($pwd) = `pwd`;
1983 $pwd =~ s/^\/tmp_mnt//;
1984 $pvm_executable = "$pwd/$pvm_executable";
1987 $pvm_executable =~ s|/|=|g; # make /s into =s
1988 $pvm_executable_base = $pvm_executable;
1990 $pvm_executable = $ENV{'PVM_ROOT'} . '/bin/' . $ENV{'PVM_ARCH'}
1991 . "/$pvm_executable";
1993 &run_something("rm -f $pvm_executable; cp -p $executable $pvm_executable && rm -f $executable", 'Moving binary to PVM land');
1995 # OK, now create the magic script for "$executable"
1996 open(EXEC, "> $executable") || &tidy_up_and_die(1,"$Pgm: couldn't open $executable to write!\n");
1997 print EXEC <<EOSCRIPT1;
1999 # =!=!=!=!=!=!=!=!=!=!=!
2000 # This script is automatically generated: DO NOT EDIT!!!
2001 # Generated by Glasgow Haskell, version $(PROJECTVERSION) $(PROJECTPATCHLEVEL)
2003 \$pvm_executable = '$pvm_executable';
2004 \$pvm_executable_base = '$pvm_executable_base';
2005 \$SysMan = '$SysMan';
2008 print EXEC <<\EOSCRIPT2;
2009 # first, some magical shortcuts to run "commands" on the binary
2011 if ($#ARGV == 1 && $ARGV[0] eq '+RTS' && $ARGV[1] =~ /^--((size|file|strip|rm|nm).*)/ ) {
2013 system("$cmd $pvm_executable");
2017 # OK, really run it; process the args first
2018 $ENV{'PE'} = $pvm_executable_base;
2020 $nprocessors = 2; # the default
2024 # ToDo: handle --RTS
2025 args: while ($a = shift(@ARGV)) {
2026 if ( $a eq '+RTS' ) {
2028 } elsif ( $a eq '-RTS' ) {
2031 if ( $a eq '-d' && $in_RTS_args ) {
2033 } elsif ( $a =~ /^-N(\d+)/ && $in_RTS_args ) {
2036 push(@nonPVM_args, $a);
2040 exec "$SysMan $debug $pvm_executable $nprocessors @nonPVM_args";
2041 print STDERR "Exec failed!!!: $SysMan $debug $nprocessors @nonPVM_args\n";
2044 close(EXEC) || die "Failed closing $executable\n";
2045 chmod 0755, "$executable";
2049 # that... that's all, folks!
2051 exit $Status; # will still be 0 if all went well
2054 %************************************************************************
2056 \section[Driver-do-one-file]{How to process a single input file}
2058 %************************************************************************
2061 sub ProcessInputFile {
2062 local($ifile) = @_; # input file name
2063 local($ifile_root); # root of or basename of input file
2064 local($ifile_root_file); # non-directory part of $ifile_root
2067 Handle the weirdity of input from stdin.
2069 if ($ifile eq '-') {
2070 open(INF, "> $Tmp_prefix.hs") || &tidy_up_and_die(1,"Can't open $Tmp_prefix.hs\n");
2071 print STDERR "Enter your Haskell program, end with ^D (on a line of its own):\n";
2072 while (<>) { print INF $_; }
2073 close(INF) || &tidy_up_and_die(1,"Failed writing to $Tmp_prefix.hs\n");
2074 $ifile = "$Tmp_prefix.hs";
2075 $ifile_root = '_stdin';
2076 $ifile_root_file = $ifile_root;
2078 ($ifile_root = $ifile) =~ s/\.[^\.\/]+$//;
2079 ($ifile_root_file = $ifile_root) =~ s|.*/||;
2083 We now decide what phases of the compilation system we will run over
2084 this file. The defaults are the ones established when processing flags.
2085 (That established what the last phase run for all files is.)
2087 The lower-case names are the local ones (as is usual), just for this
2090 local($do_lit2pgm) = $Do_lit2pgm;
2091 local($do_hscpp) = $Do_hscpp;
2092 local($do_hsp) = $Do_hsp;
2093 local($do_hsc) = $Do_hsc;
2094 local($do_as) = $Do_as;
2095 local($do_cc) = ( $Do_cc != -1) # i.e., it was set explicitly
2097 : ( ($ProduceC) ? 1 : 0 );
2100 Look at the suffix and decide what initial phases of compilation may
2101 be dropped off for this file. Also the rather boring business of
2102 which files are coming-in/going-out.
2104 # names of the files to stuff between phases
2105 # defaults are temporaries
2106 local($in_lit2pgm) = $ifile;
2107 local($lit2pgm_hscpp) = "$Tmp_prefix.lpp";
2108 local($hscpp_hsp) = "$Tmp_prefix.cpp";
2109 local($hsp_hsc) = "$Tmp_prefix.hsp";
2110 local($hsc_cc) = "$Tmp_prefix.hc";
2112 # to help C compilers grok .hc files [ToDo: de-hackify]
2113 local($cc_help) = "ghc$$.c";
2114 local($cc_help_s) = "ghc$$.s";
2116 local($hsc_hi) = "$Tmp_prefix$HiSuffix";
2117 local($cc_as_o) = "${Tmp_prefix}_o.s"; # temporary for raw .s file if opt C
2118 local($cc_as) = "$Tmp_prefix.s";
2119 local($as_out) = ($Specific_output_file ne '' && ! $Do_lnkr)
2120 ? $Specific_output_file
2121 : &odir_ify("${ifile_root}${Osuffix}");
2123 local($is_hc_file) = 1; #Is the C code .hc or .c
2125 if ($ifile =~ /\.lhs$/) {
2126 push(@Link_file, &odir_ify("${ifile_root}${Osuffix}"));
2127 } elsif ($ifile =~ /\.hs$/) {
2129 $lit2pgm_hscpp = $ifile;
2130 push(@Link_file, &odir_ify("${ifile_root}${Osuffix}"));
2131 } elsif ($ifile =~ /\.hc$/) {
2132 $do_lit2pgm = 0; $do_hscpp = 0; $do_hsp = 0; $do_hsc = 0; $do_cc = 1;
2134 push(@Link_file, &odir_ify("${ifile_root}${Osuffix}"));
2135 } elsif ($ifile =~ /\.c$/) {
2136 $do_lit2pgm = 0; $do_hscpp = 0; $do_hsp = 0; $do_hsc = 0; $do_cc = 1;
2137 $hsc_cc = $ifile; $is_hc_file = 0;
2138 push(@Link_file, &odir_ify("${ifile_root}${Osuffix}"));
2139 } elsif ($ifile =~ /\.s$/) {
2140 $do_lit2pgm = 0; $do_hscpp = 0; $do_hsp = 0; $do_hsc = 0; $do_cc = 0;
2142 push(@Link_file, &odir_ify("${ifile_root}${Osuffix}"));
2144 if ($ifile !~ /\.a$/) {
2145 print STDERR "$Pgm: don't recognise suffix on `$ifile'; passing it through to linker\n";
2147 $do_lit2pgm = 0; $do_hscpp = 0; $do_hsp = 0; $do_hsc = 0; $do_cc = 0; $do_as = 0;
2148 push(@Link_file, $ifile);
2152 To get the output file name right: for each phase that we are {\em
2153 not} going to run, set its input (i.e., the output of its preceding phase) to
2154 @"$ifile_root.<suffix>"@.
2156 # lit2pgm -- no preceding phase
2158 $lit2pgm_hscpp = "$ifile_root.lpp????"; # not done
2161 $hscpp_hsp = "$ifile_root.cpp????"; # not done
2164 $hsp_hsc = "$ifile_root.hsp????"; # not done
2167 $hsc_cc = &odir_ify("$ifile_root.hc");
2170 if ($Specific_output_file ne '') {
2171 $cc_as = $Specific_output_file;
2173 $cc_as = &odir_ify(( $Only_preprocess_C ) ? "$ifile_root.i" : "$ifile_root.s");
2178 OK, now do it! Note that we don't come back from a @run_something@ if
2182 local($to_do) = "echo '#line 1 \"$in_lit2pgm\"' > $lit2pgm_hscpp; ".
2183 "$Unlit @Unlit_flags $in_lit2pgm - >> $lit2pgm_hscpp";
2184 @Files_to_tidy = ( $lit2pgm_hscpp );
2185 &run_something($to_do, 'literate pre-processor');
2188 # ToDo: specific output?
2189 if ($HsCpp eq $Cat) {
2190 local($to_do) = "echo '#line 1 \"$in_lit2pgm\"' > $hscpp_hsp; ".
2191 "$HsCpp $lit2pgm_hscpp >> $hscpp_hsp";
2192 @Files_to_tidy = ( $hscpp_hsp );
2193 &run_something($to_do, 'Ineffective C pre-processor');
2195 local($includes) = '-I' . join(' -I',@Include_dir);
2196 local($to_do) = "echo '#line 1 \"$in_lit2pgm\"' > $hscpp_hsp; ".
2197 "$HsCpp $Verbose $genSPECS_flag @HsCpp_flags -D__HASKELL1__=$haskell1_version -D__GLASGOW_HASKELL__=$ghc_version_info $includes $lit2pgm_hscpp >> $hscpp_hsp";
2198 @Files_to_tidy = ( $hscpp_hsp );
2199 &run_something($to_do, 'Haskellised C pre-processor');
2203 # glue imports onto HsP_flags
2204 # if new parser, then put a comma on the front of all of them.
2205 local($hsprefix) = ($do_hsp == 2) ? ',' : '';
2207 foreach $a ( @HsP_flags ) { $a = "$hsprefix$a" unless $a =~ /^,/; }
2208 foreach $dir ( @Import_dir ) { push(@HsP_flags, "$hsprefix-I$dir"); }
2209 foreach $dir ( @SysImport_dir ) { push(@HsP_flags, "$hsprefix-J$dir"); }
2212 if ($do_hsp == 1) { # "old" parser
2213 local($to_do) = "$HsP $Verbose @HsP_flags $hscpp_hsp > $hsp_hsc";
2214 @Files_to_tidy = ( $hsp_hsc );
2215 &run_something($to_do, 'Haskell parser');
2216 if ($Dump_parser_output) {
2217 print STDERR `$Cat $hsp_hsc`;
2219 @HsP_flags = (); # reset!
2222 # here, we may produce .hc and/or .hi files
2223 local($output) = '';
2224 local($c_source) = "$ifile_root.hc";
2225 local($c_output) = $hsc_cc; # defaults
2226 local($s_output) = $cc_as;
2227 local($hi_output) = "$ifile_root$HiSuffix";
2228 local($going_interactive) = 0;
2230 if ($Specific_output_file ne '' && ! $do_cc) {
2231 $c_source = $c_output = $Specific_output_file;
2232 @Files_to_tidy = ( $Specific_output_file ) if $Specific_output_file ne '-';
2234 if ($Specific_hi_file ne '') {
2235 # we change the suffix (-hisuf) even if a specific -ohi file:
2236 $Specific_hi_file =~ s/\.hi$/$HiSuffix/;
2237 $hi_output = $Specific_hi_file;
2238 @Files_to_tidy = ( $Specific_hi_file ) if $Specific_hi_file ne '-';
2241 if ( ! ($ProduceC || $ProduceS)
2242 || $ifile_root eq '_stdin' # going interactive...
2243 || ($c_output eq '-' && $hi_output eq '-')) {
2244 $going_interactive = 1;
2245 #OLD: $output = '1>&2'; # interactive/debugging, to stderr
2246 @Files_to_tidy = ();
2247 # don't need .hi (unless magic value "2" says we wanted it anyway):
2248 if ( $ProduceHi == 2 ) {
2249 $output .= " -hi$hsc_hi";
2250 unlink($hsc_hi); # needs to be cleared; will be appended to
2254 $do_cc = 0; $do_as = 0; $Do_lnkr = 0; # and we won't go any further...
2257 if ( ! $going_interactive ) {
2259 # we always go to a temp file for these (for later diff'ing)
2260 $output = "-hi$hsc_hi";
2261 unlink($hsc_hi); # needs to be cleared; will be appended to
2262 @Files_to_tidy = ( $hsc_hi );
2265 $output .= " -C$c_output";
2266 push(@Files_to_tidy, $c_output);
2268 open(CFILE, "> $c_output") || &tidy_up_and_die(1,"$Pgm: failed to open `$c_output' (to write)\n");
2269 print CFILE "#line 2 \"$c_source\"\n";
2270 close(CFILE) || &tidy_up_and_die(1,"Failed writing to $c_output\n");
2271 # the "real" C output will then be appended
2274 $output .= " -fasm-$ProduceS -S$s_output";
2275 push(@Files_to_tidy, $s_output);
2277 # ToDo: ummm,... this isn't doing anything (WDP 94/11)
2278 open(SFILE, "> $s_output") || &tidy_up_and_die(1,"$Pgm: failed to open `$s_output' (to write)\n");
2279 close(SFILE) || &tidy_up_and_die(1,"Failed writing to $s_output\n");
2280 # the "real" assembler output will then be appended
2284 # if we're compiling foo.hs, we want the GC stats to end up in foo.stat
2285 if ( $CollectingGCstats ) {
2286 if ($RTS_style eq 'hbc') {
2287 push(@HsC_rts_flags, '-S'); # puts it in "STAT"
2289 push(@HsC_rts_flags, "-S$ifile_root.stat");
2290 push(@Files_to_tidy, "$ifile_root.stat");
2294 if ( $CollectGhcTimings ) { # assume $RTS_style eq 'ghc'
2295 # emit nofibbish time/bytes-alloc stats to stderr;
2296 # see later .stat file post-processing
2297 push(@HsC_rts_flags, "-s$Tmp_prefix.stat");
2298 push(@Files_to_tidy, "$Tmp_prefix.stat");
2302 if ($Specific_dump_file ne '') {
2303 $dump = "2>> $Specific_dump_file";
2304 $Using_dump_file = 1;
2310 if ($RTS_style eq 'hbc') {
2311 # NB: no parser flags
2312 $to_do = "$HsC < $hsp_hsc $dump @HsC_rts_flags - @HsC_flags $CoreLint $Verbose $output";
2313 } elsif ($do_hsp == 1) { # old style parser -- no HsP_flags
2314 $to_do = "$HsC < $hsp_hsc $dump @HsC_flags $CoreLint $Verbose $output +RTS @HsC_rts_flags";
2315 } else { # new style
2316 $to_do = "$HsC ,-H @HsP_flags ,$hscpp_hsp $dump @HsC_flags $CoreLint $Verbose $output +RTS @HsC_rts_flags";
2318 &run_something($to_do, 'Haskell compiler');
2320 # compensate further for HBC's -S rts opt:
2321 if ($CollectingGCstats && $RTS_style eq 'hbc') {
2322 unlink("$ifile_root.stat");
2323 rename('STAT', "$ifile_root.stat");
2326 # finish business w/ nofibbish time/bytes-alloc stats
2327 &process_ghc_timings() if $CollectGhcTimings;
2329 # if non-interactive, heave in the consistency info at the end
2330 # NB: pretty hackish (depends on how $output is set)
2331 if ( ! $going_interactive ) {
2333 $to_do = "echo 'static char ghc_hsc_ID[] = \"\@(#)hsc $ifile\t$HsC_major_version.$HsC_minor_version,$HsC_consist_options\";' >> $c_output";
2336 local($consist) = "hsc.$ifile.$HsC_major_version.$HsC_minor_version.$HsC_consist_options";
2337 $consist =~ s/,/./g;
2338 $consist =~ s/\//./g;
2339 $consist =~ s/-/_/g;
2340 $consist =~ s/[^A-Za-z0-9_.]/ZZ/g; # ToDo: properly?
2341 $to_do = "echo '\n\t.text\n$consist:' >> $s_output";
2343 &run_something($to_do, 'Pin on Haskell consistency info');
2346 # call the special mangler to produce the .hi/.h(h?) files...
2347 &diff_hi_file($hsc_hi, $hi_output)
2348 if $ProduceHi == 1 && ! $going_interactive;
2349 #OLD: &extract_c_and_hi_files("$Tmp_prefix.hsc", $c_output, $hi_output, $c_source)
2351 # if we produced an interface file "no matter what",
2352 # print what we got on stderr (ToDo: honor -ohi flag)
2353 if ( $ProduceHi == 2 ) {
2354 print STDERR `$Cat $hsc_hi`;
2357 # save a copy of the .hc file, even if we are carrying on...
2358 if ($ProduceC && $do_cc && $Keep_hc_file_too) {
2359 local($to_do) = "$(RM) $ifile_root.hc; cp $c_output $ifile_root.hc";
2360 &run_something($to_do, 'Saving copy of .hc file');
2363 # save a copy of the .s file, even if we are carrying on...
2364 if ($ProduceS && $do_as && $Keep_s_file_too) {
2365 local($to_do) = "$(RM) $ifile_root.s; cp $cc_as $ifile_root.s";
2366 &run_something($to_do, 'Saving copy of .s file');
2369 # if we're going to split up object files,
2370 # we inject split markers into the .hc file now
2371 if ( $ProduceC && $SplitObjFiles ) {
2372 &inject_split_markers ( $c_output );
2376 local($includes) = '-I' . join(' -I',@Include_dir);
2379 local($c_flags) = "@CcBoth_flags";
2380 local($ddebug_flag) = ( $DEBUGging ) ? '-DDEBUG' : '';
2381 if ($RegisteriseC) {
2383 $s_output = ($is_hc_file || $TargetPlatform =~ /^(hppa|i386)/) ? $cc_as_o : $cc_as;
2384 $c_flags .= " @CcRegd_flags";
2385 $c_flags .= ($is_hc_file) ? " @CcRegd_flags_hc" : " @CcRegd_flags_c";
2389 $c_flags .= " @CcUnregd_flags";
2390 $c_flags .= ($is_hc_file) ? " @CcUnregd_flags_hc" : " @CcUnregd_flags_c";
2393 # C compiler won't like the .hc extension. So we create
2394 # a tmp .c file which #include's the needful.
2395 open(TMP, "> $cc_help") || &tidy_up_and_die(1,"$Pgm: failed to open `$cc_help' (to write)\n");
2396 if ( $is_hc_file ) {
2398 #ifdef __STG_GCC_REGS__
2399 # if ! (defined(MAIN_REG_MAP) || defined(MARK_REG_MAP) || defined(SCAN_REG_MAP) || defined(SCAV_REG_MAP) || defined(FLUSH_REG_MAP))
2400 # define MAIN_REG_MAP
2403 #include "stgdefs.h"
2405 # user may have asked for #includes to be injected...
2406 print TMP @CcInjects if $#CcInjects >= 0;
2408 # heave in the consistency info
2409 print TMP "static char ghc_cc_ID[] = \"\@(#)cc $ifile\t$Cc_major_version.$Cc_minor_version,$Cc_consist_options\";\n";
2411 # and #include the real source
2412 print TMP "#include \"$hsc_cc\"\n";
2413 close(TMP) || &tidy_up_and_die(1,"Failed writing to $cc_help\n");
2415 local($to_do) = "$cc $Verbose $ddebug_flag $c_flags @Cpp_define -D__HASKELL1__=$haskell1_version $includes $cc_help > $Tmp_prefix.ccout 2>&1 && ( if [ $cc_help_s != $s_output ] ; then mv $cc_help_s $s_output ; else exit 0 ; fi )";
2416 # note: __GLASGOW_HASKELL__ is pointedly *not* #defined at the C level.
2417 if ( $Only_preprocess_C ) { # HACK ALERT!
2418 $to_do =~ s/ -S\b//g;
2420 @Files_to_tidy = ( $cc_help, $cc_help_s, $s_output );
2421 $PostprocessCcOutput = 1; # hack, dear hack...
2422 &run_something($to_do, 'C compiler');
2423 $PostprocessCcOutput = 0;
2424 unlink($cc_help, $cc_help_s);
2426 if ( ($RegisteriseC && $is_hc_file)
2427 || $Dump_asm_insn_counts
2428 || $Dump_asm_globals_info ) {
2429 # dynamically load assembler-fiddling code, which we are about to use
2430 local($target) = 'oops';
2431 $target = '-alpha' if $TargetPlatform =~ /^alpha-/;
2432 $target = '-hppa' if $TargetPlatform =~ /^hppa/;
2433 $target = '' if $TargetPlatform =~ /^i386-/;
2434 $target = '-m68k' if $TargetPlatform =~ /^m68k-/;
2435 $target = '-mips' if $TargetPlatform =~ /^mips-/;
2436 $target = '' if $TargetPlatform =~ /^powerpc-/;
2437 $target = '-solaris' if $TargetPlatform =~ /^sparc-sun-solaris2/;
2438 $target = '-sparc' if $TargetPlatform =~ /^sparc-sun-sunos4/;
2441 || &tidy_up_and_die(1,"$Pgm: panic: can't decipher $TargetPlatform!\n");
2442 require("ghc-asm$target.prl")
2443 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm$target.prl!\n");
2446 if ( $Dump_raw_asm ) { # to stderr, before mangling
2447 local($to_pr) = ($RegisteriseC) ? $cc_as_o : $cc_as ;
2448 print STDERR `cat $to_pr`;
2451 if ($RegisteriseC) {
2453 # post-process the assembler [.hc files only]
2454 &mangle_asm($cc_as_o, $cc_as);
2456 } elsif ($TargetPlatform =~ /^hppa/) {
2457 # minor mangling of non-threaded files for hp-pa only
2458 require('ghc-asm-hppa.prl')
2459 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm-hppa.prl!\n");
2460 &mini_mangle_asm($cc_as_o, $cc_as);
2462 } elsif ($TargetPlatform =~ /^i386/) {
2463 # extremely-minor OFFENSIVE mangling of non-threaded just one file
2464 require('ghc-asm.prl')
2465 || &tidy_up_and_die(1,"$Pgm: panic: can't load ghc-asm.prl!\n");
2466 &mini_mangle_asm($cc_as_o, $cc_as);
2470 # collect interesting (static-use) info
2471 &dump_asm_insn_counts($cc_as) if $Dump_asm_insn_counts;
2472 &dump_asm_globals_info($cc_as) if $Dump_asm_globals_info;
2474 # save a copy of the .s file, even if we are carrying on...
2475 if ($do_as && $Keep_s_file_too) {
2476 local($to_do) = "$(RM) $ifile_root.s; cp $cc_as $ifile_root.s";
2477 &run_something($to_do, 'Saving copy of .s file');
2482 # if we're splitting .o files...
2483 if ( $SplitObjFiles ) {
2484 &split_asm_file ( $cc_as );
2487 local($asmblr) = ( $As ) ? $As : ($RegisteriseC ? $CcRegd : $CcUnregd );
2489 if ( ! $SplitObjFiles ) {
2490 local($to_do) = "$asmblr -o $as_out -c @As_flags $cc_as";
2491 @Files_to_tidy = ( $as_out );
2492 &run_something($to_do, 'Unix assembler');
2494 } else { # more complicated split-ification...
2496 # must assemble files $Tmp_prefix__[1 .. $NoOfSplitFiles].s
2498 for ($f = 1; $f <= $NoOfSplitFiles; $f++ ) {
2499 local($split_out) = &odir_ify("${ifile_root}__${f}${Osuffix}");
2500 local($to_do) = "$asmblr -o $split_out -c @As_flags ${Tmp_prefix}__${f}.s";
2501 @Files_to_tidy = ( $split_out );
2503 &run_something($to_do, 'Unix assembler');
2507 } # end of ProcessInputFile
2510 %************************************************************************
2512 \section[Driver-misc-utils]{Miscellaneous utilities}
2514 %************************************************************************
2516 %************************************************************************
2518 \subsection[Driver-odir-ify]{@odir_ify@: Mangle filename if \tr{-odir} set}
2520 %************************************************************************
2524 local($orig_file) = @_;
2525 if ($Specific_output_dir eq '') { # do nothing
2528 local ($orig_file_only);
2529 ($orig_file_only = $orig_file) =~ s|.*/||;
2530 return("$Specific_output_dir/$orig_file_only");
2535 %************************************************************************
2537 \subsection[Driver-run-something]{@run_something@: Run a phase}
2539 %************************************************************************
2543 local($str_to_do, $tidy_name) = @_;
2545 print STDERR "\n$tidy_name:\n\t" if $Verbose;
2546 print STDERR "$str_to_do\n" if $Verbose;
2548 if ($Using_dump_file) {
2549 open(DUMP, ">> $Specific_dump_file")
2550 || &tidy_up_and_die(1,"$Pgm: failed to open `$Specific_dump_file'\n");
2551 print DUMP "\nCompilation Dump for: $str_to_do\n\n";
2553 || &tidy_up_and_die(1,"$Pgm: failed closing `$Specific_dump_file'\n");
2556 local($return_val) = 0;
2557 system("$Time $str_to_do");
2560 if ( $PostprocessCcOutput ) { # hack, continued
2561 open(CCOUT, "< $Tmp_prefix.ccout")
2562 || &tidy_up_and_die(1,"$Pgm: failed to open `$Tmp_prefix.ccout'\n");
2564 next if /attribute directive ignored/;
2565 next if /call-clobbered/;
2566 next if /from .*COptRegs\.lh/;
2567 next if /from .*(stg|rts)defs\.h:/;
2568 next if /from ghc\d+.c:\d+:/;
2569 next if /from .*\.lc/;
2570 next if /from .*SMinternal\.lh/;
2571 next if /ANSI C does not support \`long long\'/;
2572 next if /warning:.*was declared \`extern\' and later \`static\'/;
2573 next if /warning: assignment discards \`const\' from pointer target type/;
2574 next if /: At top level:$/;
2575 next if /: In function \`.*\':$/;
2576 next if /\`ghc_cc_ID\' defined but not used/;
2579 close(CCOUT) || &tidy_up_and_die(1,"$Pgm: failed closing `$Tmp_prefix.ccout'\n");
2582 if ($return_val != 0) {
2583 if ($Using_dump_file) {
2584 print STDERR "Compilation Errors dumped in $Specific_dump_file\n";
2587 &tidy_up_and_die($return_val, '');
2589 $Using_dump_file = 0;
2593 %************************************************************************
2595 \subsection[Driver-demangle-C-and-hi]{@extract_c_and_hi_files@: Unscramble Haskell-compiler output}
2597 %************************************************************************
2599 Update interface if the tmp one is newer...
2600 We first have to fish the module name out of the interface.
2603 local($tmp_hi_file, $hi_file) = @_;
2604 local($if_modulename) = '';
2606 # extract the module name
2608 open(TMP, "< $tmp_hi_file")|| &tidy_up_and_die(1,"$Pgm: failed to open `$tmp_hi_file' (to read)\n");
2610 if ( /^interface ([A-Za-z0-9'_]+) / ) {
2611 $if_modulename = $1;
2614 close(TMP) || &tidy_up_and_die(1,"Failed reading from $tmp_hi_file\n");
2615 &tidy_up_and_die(1,"No module name in $tmp_hi_file\n")
2616 if ! $if_modulename;
2618 #compare/diff with old one
2620 if ($hi_file eq '-') {
2621 &run_something("cat $tmp_hi_file", "copy interface to stdout");
2624 if ($Specific_hi_file eq '' && $if_modulename ne '') {
2625 if ( $hi_file =~ /\// ) {
2626 $hi_file =~ s/\/[^\/]+$//;
2627 $hi_file .= "/$if_modulename$HiSuffix";
2629 $hi_file = "$if_modulename$HiSuffix";
2631 print STDERR "interface really going into: $hi_file\n" if $Verbose;
2634 if ($HiDiff_flag && -f $hi_file) {
2635 local($diffcmd) = '$(CONTEXT_DIFF)';
2637 &run_something("cmp -s $tmp_hi_file $hi_file || $(CONTEXT_DIFF) $hi_file $tmp_hi_file 1>&2 || exit 0",
2638 "Diff'ing old and new $HiSuffix files"); # NB: to stderr
2641 &run_something("cmp -s $tmp_hi_file $hi_file || ( $(RM) $hi_file && $(CP) $tmp_hi_file $hi_file )",
2642 "Comparing old and new $HiSuffix files");
2647 %************************************************************************
2649 \subsection[Driver-ghctiming]{Emit nofibbish GHC timings}
2651 %************************************************************************
2653 NB: nearly the same as in @runstdtest@ script.
2656 sub process_ghc_timings {
2657 local($StatsFile) = "$Tmp_prefix.stat";
2658 local($SysSpecificTiming) = 'ghc';
2660 open(STATS, $StatsFile) || die "Failed when opening $StatsFile\n";
2661 local($tot_live) = 0; # for calculating avg residency
2664 $tot_live += $1 if /^\s*\d+\s+\d+\s+\d+\.\d+\%\s+(\d+)\s+\d+\.\d+\%/;
2666 $BytesAlloc = $1 if /^\s*([0-9,]+) bytes allocated in the heap/;
2668 if ( /^\s*([0-9,]+) bytes maximum residency .* (\d+) sample/ ) {
2669 $MaxResidency = $1; $ResidencySamples = $2;
2672 $GCs = $1 if /^\s*([0-9,]+) garbage collections? performed/;
2674 if ( /^\s*INIT\s+time\s*(\d+\.\d\d)s\s*\(\s*(\d+\.\d\d)s elapsed\)/ ) {
2675 $InitTime = $1; $InitElapsed = $2;
2676 } elsif ( /^\s*MUT\s+time\s*(\d+\.\d\d)s\s*\(\s*(\d+\.\d\d)s elapsed\)/ ) {
2677 $MutTime = $1; $MutElapsed = $2;
2678 } elsif ( /^\s*GC\s+time\s*(\d+\.\d\d)s\s*\(\s*(\d+\.\d\d)s elapsed\)/ ) {
2679 $GcTime = $1; $GcElapsed = $2;
2682 close(STATS) || die "Failed when closing $StatsFile\n";
2683 if ( defined($ResidencySamples) && $ResidencySamples > 0 ) {
2684 $AvgResidency = int ($tot_live / $ResidencySamples) ;
2687 # warn about what we didn't find
2688 print STDERR "Warning: BytesAlloc not found in stats file\n" unless defined($BytesAlloc);
2689 print STDERR "Warning: GCs not found in stats file\n" unless defined($GCs);
2690 print STDERR "Warning: InitTime not found in stats file\n" unless defined($InitTime);
2691 print STDERR "Warning: InitElapsed not found in stats file\n" unless defined($InitElapsed);
2692 print STDERR "Warning: MutTime not found in stats file\n" unless defined($MutTime);
2693 print STDERR "Warning: MutElapsed not found in stats file\n" unless defined($MutElapsed);
2694 print STDERR "Warning: GcTime inot found in stats file\n" unless defined($GcTime);
2695 print STDERR "Warning: GcElapsed not found in stats file\n" unless defined($GcElapsed);
2697 # things we didn't necessarily expect to find
2698 $MaxResidency = 0 unless defined($MaxResidency);
2699 $AvgResidency = 0 unless defined($AvgResidency);
2700 $ResidencySamples = 0 unless defined($ResidencySamples);
2703 $BytesAlloc =~ s/,//g;
2704 $MaxResidency =~ s/,//g;
2706 $InitTime =~ s/,//g;
2707 $InitElapsed =~ s/,//g;
2709 $MutElapsed =~ s/,//g;
2711 $GcElapsed =~ s/,//g;
2713 # print out what we found
2714 print STDERR "<<$SysSpecificTiming: ",
2715 "$BytesAlloc bytes, $GCs GCs, $AvgResidency/$MaxResidency avg/max bytes residency ($ResidencySamples samples), $InitTime INIT ($InitElapsed elapsed), $MutTime MUT ($MutElapsed elapsed), $GcTime GC ($GcElapsed elapsed)",
2716 " :$SysSpecificTiming>>\n";
2723 %************************************************************************
2725 \subsection[Driver-dying]{@tidy_up@ and @tidy_up_and_die@: Dying gracefully}
2727 %************************************************************************
2731 local($to_do) = "\n$(RM) $Tmp_prefix*";
2732 if ( $Tmp_prefix !~ /^\s*$/ ) {
2733 print STDERR "$to_do\n" if $Verbose;
2738 sub tidy_up_and_die {
2739 local($return_val, $msg) = @_;
2741 # delete any files to tidy
2742 print STDERR "deleting... @Files_to_tidy\n" if $Verbose && $#Files_to_tidy >= 0;
2743 unlink @Files_to_tidy if $#Files_to_tidy >= 0;
2747 exit (($return_val == 0) ? 0 : 1);
2751 %************************************************************************
2753 \subsection[Driver-arg-with-arg]{@grab_arg_arg@: Do an argument with an argument}
2755 %************************************************************************
2757 Some command-line arguments take an argument, e.g.,
2758 \tr{-Rmax-heapsize} expects a number to follow. This can either be
2759 given a part of the same argument (\tr{-Rmax-heapsize8M}) or as the
2760 next argument (\tr{-Rmax-heapsize 8M}). We allow both cases.
2762 Note: no error-checking; \tr{-Rmax-heapsize -Rgc-stats} will silently
2763 gobble the second argument (and probably set the heapsize to something
2764 nonsensical). (ToDo?)
2767 local($option, $rest_of_arg) = @_;
2770 return($rest_of_arg);
2771 } elsif ($#ARGV >= 0) {
2772 local($temp) = $ARGV[0]; shift(@ARGV);
2775 print STDERR "$Pgm: no argument following $option option\n";
2786 #Not in HsC_antiflag ## NO!: and not already in HsC_flags
2788 foreach $f ( @HsC_antiflags ) {
2789 return(0) if $flag eq $f;
2791 # foreach $f ( @HsC_flags ) {
2792 # return(0) if $flag eq $f;
2797 sub squashHscFlag { # pretty terrible
2801 foreach $f ( @HsC_flags ) {
2802 if ($flag eq $f) { $f = ''; }
2810 foreach $f ( @flags ) {
2811 push( @HsC_flags, $f ) if &isntAntiFlag($f);