back out change#6106 (seems problematic)
[p5sagit/p5-mst-13.2.git] / makedef.pl
1 #
2 # Create the export list for perl.
3 #
4 # Needed by WIN32 and OS/2 for creating perl.dll
5 # and by AIX for creating libperl.a when -Dusershrplib is in effect.
6 #
7 # reads global.sym, pp.sym, perlvars.h, intrpvar.h, thrdvar.h, config.h
8 # On OS/2 reads miniperl.map as well
9
10 my $PLATFORM;
11 my $CCTYPE;
12
13 my %bincompat5005 =
14       (
15        Perl_call_atexit         =>      "perl_atexit",
16        Perl_eval_sv             =>      "perl_eval_sv",
17        Perl_eval_pv             =>      "perl_eval_pv",
18        Perl_call_argv           =>      "perl_call_argv",
19        Perl_call_method         =>      "perl_call_method",
20        Perl_call_pv             =>      "perl_call_pv",
21        Perl_call_sv             =>      "perl_call_sv",
22        Perl_get_av              =>      "perl_get_av",
23        Perl_get_cv              =>      "perl_get_cv",
24        Perl_get_hv              =>      "perl_get_hv",
25        Perl_get_sv              =>      "perl_get_sv",
26        Perl_init_i18nl10n       =>      "perl_init_i18nl10n",
27        Perl_init_i18nl14n       =>      "perl_init_i18nl14n",
28        Perl_new_collate         =>      "perl_new_collate",
29        Perl_new_ctype           =>      "perl_new_ctype",
30        Perl_new_numeric         =>      "perl_new_numeric",
31        Perl_require_pv          =>      "perl_require_pv",
32        Perl_safesyscalloc       =>      "Perl_safecalloc",
33        Perl_safesysfree         =>      "Perl_safefree",
34        Perl_safesysmalloc       =>      "Perl_safemalloc",
35        Perl_safesysrealloc      =>      "Perl_saferealloc",
36        Perl_set_numeric_local   =>      "perl_set_numeric_local",
37        Perl_set_numeric_standard  =>    "perl_set_numeric_standard",
38        Perl_malloc              =>      "malloc",
39        Perl_mfree               =>      "free",
40        Perl_realloc             =>      "realloc",
41        Perl_calloc              =>      "calloc",
42       );
43
44 my $bincompat5005 = join("|", keys %bincompat5005);
45
46 while (@ARGV) {
47     my $flag = shift;
48     $define{$1} = 1 if ($flag =~ /^-D(\w+)$/);
49     $define{$1} = $2 if ($flag =~ /^-D(\w+)=(.+)$/);
50     $CCTYPE   = $1 if ($flag =~ /^CCTYPE=(\w+)$/);
51     $PLATFORM = $1 if ($flag =~ /^PLATFORM=(\w+)$/);
52 }
53
54 my @PLATFORM = qw(aix win32 os2);
55 my %PLATFORM;
56 @PLATFORM{@PLATFORM} = ();
57
58 defined $PLATFORM || die "PLATFORM undefined, must be one of: @PLATFORM\n";
59 exists $PLATFORM{$PLATFORM} || die "PLATFORM must be one of: @PLATFORM\n"; 
60
61 my $config_sh   = "config.sh";
62 my $config_h    = "config.h";
63 my $thrdvar_h   = "thrdvar.h";
64 my $intrpvar_h  = "intrpvar.h";
65 my $perlvars_h  = "perlvars.h";
66 my $global_sym  = "global.sym";
67 my $pp_sym      = "pp.sym";
68 my $globvar_sym = "globvar.sym";
69 my $perlio_sym  = "perlio.sym";
70
71 if ($PLATFORM eq 'aix') { 
72     # Nothing for now.
73 }
74 elsif ($PLATFORM eq 'win32') {
75     $CCTYPE = "MSVC" unless defined $CCTYPE;
76     foreach ($thrdvar_h, $intrpvar_h, $perlvars_h, $global_sym, $pp_sym, $globvar_sym) {
77         s!^!..\\!;
78     }
79 }
80
81 unless ($PLATFORM eq 'win32') {
82     open(CFG,$config_sh) || die "Cannot open $config_sh: $!\n";
83     while (<CFG>) {
84         if (/^(?:ccflags|optimize)='(.+)'$/) {
85             $_ = $1;
86             $define{$1} = 1 while /-D(\w+)/g;
87         }
88         if ($PLATFORM eq 'os2') {
89             $CONFIG_ARGS = $1 if /^(?:config_args)='(.+)'$/;
90             $ARCHNAME = $1 if /^(?:archname)='(.+)'$/;
91         }
92     }
93     close(CFG);
94 }
95
96 open(CFG,$config_h) || die "Cannot open $config_h: $!\n";
97 while (<CFG>) {
98     $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
99     $define{$1} = 1 if /^\s*#\s*define\s+(USE_5005THREADS)\b/;
100     $define{$1} = 1 if /^\s*#\s*define\s+(USE_ITHREADS)\b/;
101     $define{$1} = 1 if /^\s*#\s*define\s+(USE_PERLIO)\b/;
102     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
103     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_IMPLICIT_SYS)\b/;
104     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_BINCOMPAT_5005)\b/;
105 }
106 close(CFG);
107
108 # perl.h logic duplication begins
109
110 if ($define{USE_ITHREADS}) {
111     if (!$define{MULTIPLICITY} && !$define{PERL_OBJECT}) {
112         $define{MULTIPLICITY} = 1;
113     }
114 }
115
116 $define{PERL_IMPLICIT_CONTEXT} ||=
117     $define{USE_ITHREADS} ||
118     $define{USE_5005THREADS}  ||
119     $define{MULTIPLICITY} ;
120
121 if ($define{PERL_CAPI}) {
122     delete $define{PERL_OBJECT};
123     $define{MULTIPLICITY} = 1; 
124     $define{PERL_IMPLICIT_CONTEXT} = 1;
125     $define{PERL_IMPLICIT_SYS}     = 1;
126 }
127
128 if ($define{PERL_OBJECT}) {
129     $define{PERL_IMPLICIT_CONTEXT} = 1;
130     $define{PERL_IMPLICIT_SYS}     = 1;
131 }
132
133 # perl.h logic duplication ends
134
135 if ($PLATFORM eq 'win32') {
136     warn join(' ',keys %define)."\n";
137     print "LIBRARY Perl56\n";
138     print "DESCRIPTION 'Perl interpreter'\n";
139     print "EXPORTS\n";
140     if ($define{PERL_IMPLICIT_SYS}) {
141         output_symbol("perl_get_host_info");
142         output_symbol("perl_alloc_override");
143     }
144 }
145 elsif ($PLATFORM eq 'os2') {
146     ($v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
147     $v .= '-thread' if $ARCHNAME =~ /-thread/;
148     #$sum = 0;
149     #for (split //, $v) {
150     #   $sum = ($sum * 33) + ord;
151     #   $sum &= 0xffffff;
152     #}
153     #$sum += $sum >> 5;
154     #$sum &= 0xffff;
155     #$sum = printf '%X', $sum;
156     ($dll = $define{PERL_DLL}) =~ s/\.dll$//i;
157     # print STDERR "'$dll' <= '$define{PERL_DLL}'\n";
158     print <<"---EOP---";
159 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
160 DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter'
161 STACKSIZE 32768
162 CODE LOADONCALL
163 DATA LOADONCALL NONSHARED MULTIPLE
164 EXPORTS
165 ---EOP---
166 }
167 elsif ($PLATFORM eq 'aix') {
168     print "#!\n";
169 }
170
171 my %skip;
172 my %export;
173
174 sub skip_symbols {
175     my $list = shift;
176     foreach my $symbol (@$list) {
177         $skip{$symbol} = 1;
178     }
179 }
180
181 sub emit_symbols {
182     my $list = shift;
183     foreach my $symbol (@$list) {
184         my $skipsym = $symbol;
185         # XXX hack
186         if ($define{PERL_OBJECT} || $define{MULTIPLICITY}) {
187             $skipsym =~ s/^Perl_[GIT](\w+)_ptr$/PL_$1/;
188         }
189         emit_symbol($symbol) unless exists $skip{$skipsym};
190     }
191 }
192
193 if ($PLATFORM eq 'win32') {
194     skip_symbols [qw(
195                      PL_statusvalue_vms
196                      PL_archpat_auto
197                      PL_cryptseen
198                      PL_DBcv
199                      PL_generation
200                      PL_lastgotoprobe
201                      PL_linestart
202                      PL_modcount
203                      PL_pending_ident
204                      PL_sortcxix
205                      PL_sublex_info
206                      PL_timesbuf
207                      main
208                      Perl_ErrorNo
209                      Perl_GetVars
210                      Perl_do_exec3
211                      Perl_do_ipcctl
212                      Perl_do_ipcget
213                      Perl_do_msgrcv
214                      Perl_do_msgsnd
215                      Perl_do_semop
216                      Perl_do_shmio
217                      Perl_dump_fds
218                      Perl_init_thread_intern
219                      Perl_my_bzero
220                      Perl_my_htonl
221                      Perl_my_ntohl
222                      Perl_my_swap
223                      Perl_my_chsize
224                      Perl_same_dirent
225                      Perl_setenv_getix
226                      Perl_unlnk
227                      Perl_watch
228                      Perl_safexcalloc
229                      Perl_safexmalloc
230                      Perl_safexfree
231                      Perl_safexrealloc
232                      Perl_my_memcmp
233                      Perl_my_memset
234                      PL_cshlen
235                      PL_cshname
236                      PL_opsave
237                      Perl_do_exec
238                      Perl_getenv_len
239                      Perl_my_pclose
240                      Perl_my_popen
241                      )];
242 }
243 elsif ($PLATFORM eq 'aix') {
244     skip_symbols([qw(
245                      Perl_dump_fds
246                      Perl_ErrorNo
247                      Perl_GetVars
248                      Perl_my_bcopy
249                      Perl_my_bzero
250                      Perl_my_chsize
251                      Perl_my_htonl
252                      Perl_my_memcmp
253                      Perl_my_memset
254                      Perl_my_ntohl
255                      Perl_my_swap
256                      Perl_safexcalloc
257                      Perl_safexfree
258                      Perl_safexmalloc
259                      Perl_safexrealloc
260                      Perl_same_dirent
261                      Perl_unlnk
262                      Perl_sys_intern_dup
263                      Perl_sys_intern_init
264                      PL_cryptseen
265                      PL_opsave
266                      PL_statusvalue_vms
267                      PL_sys_intern
268                      )]);
269 }
270 elsif ($PLATFORM eq 'os2') {
271     emit_symbols([qw(
272                     ctermid
273                     get_sysinfo
274                     Perl_OS2_init
275                     OS2_Perl_data
276                     dlopen
277                     dlsym
278                     dlerror
279                     dlclose
280                     my_tmpfile
281                     my_tmpnam
282                     my_flock
283                     malloc_mutex
284                     threads_mutex
285                     nthreads
286                     nthreads_cond
287                     os2_cond_wait
288                     os2_stat
289                     pthread_join
290                     pthread_create
291                     pthread_detach
292                     XS_Cwd_change_drive
293                     XS_Cwd_current_drive
294                     XS_Cwd_extLibpath
295                     XS_Cwd_extLibpath_set
296                     XS_Cwd_sys_abspath
297                     XS_Cwd_sys_chdir
298                     XS_Cwd_sys_cwd
299                     XS_Cwd_sys_is_absolute
300                     XS_Cwd_sys_is_relative
301                     XS_Cwd_sys_is_rooted
302                     XS_DynaLoader_mod2fname
303                     XS_File__Copy_syscopy
304                     Perl_Register_MQ
305                     Perl_Deregister_MQ
306                     Perl_Serve_Messages
307                     Perl_Process_Messages
308                     init_PMWIN_entries
309                     PMWIN_entries
310                     Perl_hab_GET
311                     )]);
312 }
313
314 unless ($define{'DEBUGGING'}) {
315     skip_symbols [qw(
316                     Perl_deb
317                     Perl_deb_growlevel
318                     Perl_debop
319                     Perl_debprofdump
320                     Perl_debstack
321                     Perl_debstackptrs
322                     Perl_runops_debug
323                     Perl_sv_peek
324                     PL_block_type
325                     PL_watchaddr
326                     PL_watchok
327                     )];
328 }
329
330 if ($define{'PERL_IMPLICIT_SYS'}) {
331     skip_symbols [qw(
332                     Perl_getenv_len
333                     Perl_my_popen
334                     Perl_my_pclose
335                     )];
336 }
337 else {
338     skip_symbols [qw(
339                     PL_Mem
340                     PL_MemShared
341                     PL_MemParse
342                     PL_Env
343                     PL_StdIO
344                     PL_LIO
345                     PL_Dir
346                     PL_Sock
347                     PL_Proc
348                     )];
349 }
350
351 unless ($define{'PERL_FLEXIBLE_EXCEPTIONS'}) {
352     skip_symbols [qw(
353                     PL_protect
354                     Perl_default_protect
355                     Perl_vdefault_protect
356                     )];
357 }
358
359 if ($define{'MYMALLOC'}) {
360     emit_symbols [qw(
361                     Perl_dump_mstats
362                     Perl_get_mstats
363                     Perl_malloc
364                     Perl_mfree
365                     Perl_realloc
366                     Perl_calloc
367                     )];
368     if ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
369         emit_symbols [qw(
370                         PL_malloc_mutex
371                         )];
372     }
373     else {
374         skip_symbols [qw(
375                         PL_malloc_mutex
376                         )];
377     }
378 }
379 else {
380     skip_symbols [qw(
381                     PL_malloc_mutex
382                     Perl_dump_mstats
383                     Perl_get_mstats
384                     Perl_malloc
385                     Perl_mfree
386                     Perl_realloc
387                     Perl_calloc
388                     Perl_malloced_size
389                     )];
390 }
391
392 unless ($define{'USE_5005THREADS'} || $define{'USE_ITHREADS'}) {
393     skip_symbols [qw(
394                     PL_thr_key
395                     )];
396 }
397
398 unless ($define{'USE_5005THREADS'}) {
399     skip_symbols [qw(
400                     PL_sv_mutex
401                     PL_strtab_mutex
402                     PL_svref_mutex
403                     PL_cred_mutex
404                     PL_eval_mutex
405                     PL_eval_cond
406                     PL_eval_owner
407                     PL_threads_mutex
408                     PL_nthreads
409                     PL_nthreads_cond
410                     PL_threadnum
411                     PL_threadsv_names
412                     PL_thrsv
413                     PL_vtbl_mutex
414                     Perl_condpair_magic
415                     Perl_new_struct_thread
416                     Perl_per_thread_magicals
417                     Perl_thread_create
418                     Perl_find_threadsv
419                     Perl_unlock_condpair
420                     Perl_magic_mutexfree
421                     )];
422 }
423
424 unless ($define{'USE_ITHREADS'}) {
425     skip_symbols [qw(
426                     PL_ptr_table
427                     PL_op_mutex
428                     Perl_dirp_dup
429                     Perl_cx_dup
430                     Perl_si_dup
431                     Perl_any_dup
432                     Perl_ss_dup
433                     Perl_fp_dup
434                     Perl_gp_dup
435                     Perl_he_dup
436                     Perl_mg_dup
437                     Perl_re_dup
438                     Perl_sv_dup
439                     Perl_sys_intern_dup
440                     Perl_ptr_table_fetch
441                     Perl_ptr_table_new
442                     Perl_ptr_table_split
443                     Perl_ptr_table_store
444                     perl_clone
445                     perl_clone_using
446                     )];
447 }
448
449 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
450     skip_symbols [qw(
451                     Perl_croak_nocontext
452                     Perl_die_nocontext
453                     Perl_deb_nocontext
454                     Perl_form_nocontext
455                     Perl_load_module_nocontext
456                     Perl_mess_nocontext
457                     Perl_warn_nocontext
458                     Perl_warner_nocontext
459                     Perl_newSVpvf_nocontext
460                     Perl_sv_catpvf_nocontext
461                     Perl_sv_setpvf_nocontext
462                     Perl_sv_catpvf_mg_nocontext
463                     Perl_sv_setpvf_mg_nocontext
464                     )];
465 }
466
467 unless ($define{'PERL_IMPLICIT_SYS'}) {
468     skip_symbols [qw(
469                     perl_alloc_using
470                     perl_clone_using
471                     )];
472 }
473
474 unless ($define{'FAKE_THREADS'}) {
475     skip_symbols [qw(PL_curthr)];
476 }
477
478 sub readvar {
479     my $file = shift;
480     my $proc = shift || sub { "PL_$_[2]" };
481     open(VARS,$file) || die "Cannot open $file: $!\n";
482     my @syms;
483     while (<VARS>) {
484         # All symbols have a Perl_ prefix because that's what embed.h
485         # sticks in front of them.
486         push(@syms, &$proc($1,$2,$3)) if (/\bPERLVAR(A?I?C?)\(([IGT])(\w+)/);
487     } 
488     close(VARS); 
489     return \@syms;
490 }
491
492 if ($define{'USE_5005THREADS'}) {
493     my $thrd = readvar($thrdvar_h);
494     skip_symbols $thrd;
495 }
496
497 if ($define{'PERL_GLOBAL_STRUCT'}) {
498     my $global = readvar($perlvars_h);
499     skip_symbols $global;
500     emit_symbol('Perl_GetVars');
501     emit_symbols [qw(PL_Vars PL_VarsPtr)] unless $CCTYPE eq 'GCC';
502 }
503
504 # functions from *.sym files
505
506 my @syms = ($global_sym, $globvar_sym); # $pp_sym is not part of the API
507
508 if ($define{'USE_PERLIO'}) {
509      push @syms, $perlio_sym;
510 }
511
512 for my $syms (@syms) {
513     open (GLOBAL, "<$syms") || die "failed to open $syms: $!\n";
514     while (<GLOBAL>) {
515         next if (!/^[A-Za-z]/);
516         # Functions have a Perl_ prefix
517         # Variables have a PL_ prefix
518         chomp($_);
519         my $symbol = ($syms =~ /var\.sym$/i ? "PL_" : "");
520         $symbol .= $_;
521         emit_symbol($symbol) unless exists $skip{$symbol};
522     }
523     close(GLOBAL);
524 }
525
526 # variables
527
528 if ($define{'PERL_OBJECT'} || $define{'MULTIPLICITY'}) {
529     for my $f ($perlvars_h, $intrpvar_h, $thrdvar_h) {
530         my $glob = readvar($f, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
531         emit_symbols $glob;
532     }
533     # XXX AIX seems to want the perlvars.h symbols, for some reason
534     if ($PLATFORM eq 'aix') {
535         my $glob = readvar($perlvars_h);
536         emit_symbols $glob;
537     }
538 }
539 else {
540     unless ($define{'PERL_GLOBAL_STRUCT'}) {
541         my $glob = readvar($perlvars_h);
542         emit_symbols $glob;
543     } 
544     unless ($define{'MULTIPLICITY'}) {
545         my $glob = readvar($intrpvar_h);
546         emit_symbols $glob;
547     } 
548     unless ($define{'MULTIPLICITY'} || $define{'USE_5005THREADS'}) {
549         my $glob = readvar($thrdvar_h);
550         emit_symbols $glob;
551     } 
552 }
553
554 sub try_symbol {
555     my $symbol = shift;
556
557     return if $symbol !~ /^[A-Za-z]/;
558     return if $symbol =~ /^\#/;
559     $symbol =~s/\r//g;
560     chomp($symbol);
561     return if exists $skip{$symbol};
562     emit_symbol($symbol);
563 }
564
565 while (<DATA>) {
566     try_symbol($_);
567 }
568
569 if ($PLATFORM eq 'win32') {
570     foreach my $symbol (qw(
571                             boot_DynaLoader
572                             Perl_init_os_extras
573                             Perl_thread_create
574                             Perl_win32_init
575                             RunPerl
576                             win32_errno
577                             win32_environ
578                             win32_stdin
579                             win32_stdout
580                             win32_stderr
581                             win32_ferror
582                             win32_feof
583                             win32_strerror
584                             win32_fprintf
585                             win32_printf
586                             win32_vfprintf
587                             win32_vprintf
588                             win32_fread
589                             win32_fwrite
590                             win32_fopen
591                             win32_fdopen
592                             win32_freopen
593                             win32_fclose
594                             win32_fputs
595                             win32_fputc
596                             win32_ungetc
597                             win32_getc
598                             win32_fileno
599                             win32_clearerr
600                             win32_fflush
601                             win32_ftell
602                             win32_fseek
603                             win32_fgetpos
604                             win32_fsetpos
605                             win32_rewind
606                             win32_tmpfile
607                             win32_abort
608                             win32_fstat
609                             win32_stat
610                             win32_pipe
611                             win32_popen
612                             win32_pclose
613                             win32_rename
614                             win32_setmode
615                             win32_lseek
616                             win32_tell
617                             win32_dup
618                             win32_dup2
619                             win32_open
620                             win32_close
621                             win32_eof
622                             win32_read
623                             win32_write
624                             win32_spawnvp
625                             win32_mkdir
626                             win32_rmdir
627                             win32_chdir
628                             win32_flock
629                             win32_execv
630                             win32_execvp
631                             win32_htons
632                             win32_ntohs
633                             win32_htonl
634                             win32_ntohl
635                             win32_inet_addr
636                             win32_inet_ntoa
637                             win32_socket
638                             win32_bind
639                             win32_listen
640                             win32_accept
641                             win32_connect
642                             win32_send
643                             win32_sendto
644                             win32_recv
645                             win32_recvfrom
646                             win32_shutdown
647                             win32_closesocket
648                             win32_ioctlsocket
649                             win32_setsockopt
650                             win32_getsockopt
651                             win32_getpeername
652                             win32_getsockname
653                             win32_gethostname
654                             win32_gethostbyname
655                             win32_gethostbyaddr
656                             win32_getprotobyname
657                             win32_getprotobynumber
658                             win32_getservbyname
659                             win32_getservbyport
660                             win32_select
661                             win32_endhostent
662                             win32_endnetent
663                             win32_endprotoent
664                             win32_endservent
665                             win32_getnetent
666                             win32_getnetbyname
667                             win32_getnetbyaddr
668                             win32_getprotoent
669                             win32_getservent
670                             win32_sethostent
671                             win32_setnetent
672                             win32_setprotoent
673                             win32_setservent
674                             win32_getenv
675                             win32_putenv
676                             win32_perror
677                             win32_setbuf
678                             win32_setvbuf
679                             win32_flushall
680                             win32_fcloseall
681                             win32_fgets
682                             win32_gets
683                             win32_fgetc
684                             win32_putc
685                             win32_puts
686                             win32_getchar
687                             win32_putchar
688                             win32_malloc
689                             win32_calloc
690                             win32_realloc
691                             win32_free
692                             win32_sleep
693                             win32_times
694                             win32_access
695                             win32_alarm
696                             win32_chmod
697                             win32_open_osfhandle
698                             win32_get_osfhandle
699                             win32_ioctl
700                             win32_link
701                             win32_unlink
702                             win32_utime
703                             win32_uname
704                             win32_wait
705                             win32_waitpid
706                             win32_kill
707                             win32_str_os_error
708                             win32_opendir
709                             win32_readdir
710                             win32_telldir
711                             win32_seekdir
712                             win32_rewinddir
713                             win32_closedir
714                             win32_longpath
715                             win32_os_id
716                             win32_getpid
717                             win32_crypt
718                             win32_dynaload
719                            ))
720     {
721         try_symbol($symbol);
722     }
723 }
724 elsif ($PLATFORM eq 'os2') {
725     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
726     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
727     close MAP or die 'Cannot close miniperl.map';
728
729     @missing = grep { !exists $mapped{$_} and !exists $bincompat5005{$_} }
730                     keys %export;
731     delete $export{$_} foreach @missing;
732 }
733
734 # Now all symbols should be defined because
735 # next we are going to output them.
736
737 foreach my $symbol (sort keys %export) {
738     output_symbol($symbol);
739 }
740
741 sub emit_symbol {
742     my $symbol = shift;
743     chomp($symbol); 
744     $export{$symbol} = 1;
745 }
746
747 sub output_symbol {
748     my $symbol = shift;
749     $symbol = $bincompat5005{$symbol}
750         if $define{PERL_BINCOMPAT_5005} and $symbol =~ /^($bincompat5005)$/;
751     if ($PLATFORM eq 'win32') {
752         $symbol = "_$symbol" if $CCTYPE eq 'BORLAND';
753         print "\t$symbol\n";
754 # XXX: binary compatibility between compilers is an exercise
755 # in frustration :-(
756 #        if ($CCTYPE eq "BORLAND") {
757 #           # workaround Borland quirk by exporting both the straight
758 #           # name and a name with leading underscore.  Note the
759 #           # alias *must* come after the symbol itself, if both
760 #           # are to be exported. (Linker bug?)
761 #           print "\t_$symbol\n";
762 #           print "\t$symbol = _$symbol\n";
763 #       }
764 #       elsif ($CCTYPE eq 'GCC') {
765 #           # Symbols have leading _ whole process is $%@"% slow
766 #           # so skip aliases for now
767 #           nprint "\t$symbol\n";
768 #       }
769 #       else {
770 #           # for binary coexistence, export both the symbol and
771 #           # alias with leading underscore
772 #           print "\t$symbol\n";
773 #           print "\t_$symbol = $symbol\n";
774 #       }
775     }
776     elsif ($PLATFORM eq 'os2') {
777         print qq(    "$symbol"\n);
778     }
779     elsif ($PLATFORM eq 'aix') {
780         print "$symbol\n";
781     }
782 }
783
784 1;
785 __DATA__
786 # extra globals not included above.
787 perl_alloc
788 perl_alloc_using
789 perl_clone
790 perl_clone_using
791 perl_construct
792 perl_destruct
793 perl_free
794 perl_parse
795 perl_run