makedef.pl

   1 #./perl -w
   2 #
   3 # Create the export list for perl.
   4 #
   5 # Needed by WIN32 and OS/2 for creating perl.dll,
   6 # and by AIX for creating libperl.a when -Duseshrplib is in effect,
   7 # and by VMS for creating perlshr.exe.
   8 #
   9 # Reads from information stored in
  10 #
  11 #    %Config::Config (ie config.sh)
  12 #    config.h
  13 #    embed.fnc
  14 #    globvar.sym
  15 #    intrpvar.h
  16 #    miniperl.map (on OS/2)
  17 #    perl5.def    (on OS/2; this is the old version of the file being made)
  18 #    perlio.sym
  19 #    perlvars.h
  20 #    regen/opcodes
  21 #
  22 # plus long lists of function names hard-coded directly in this script.
  23 #
  24 # Writes the result to STDOUT.
  25 #
  26 # Normally this script is invoked from a makefile (e.g. win32/Makefile),
  27 # which redirects STDOUT to a suitable file, such as:
  28 #
  29 #    perl5.def   OS/2
  30 #    perldll.def Windows
  31 #    perl.exp    AIX
  32 #    perl.imp    NetWare
  33 #    makedef.lis VMS
  34
  35 BEGIN { unshift @INC, "lib" }
  36 use Config;
  37 use strict;
  38
  39 my %ARGS = (CCTYPE => 'MSVC', TARG_DIR => '');
  40
  41 my %define;
  42
  43 my $fold;
  44
  45 sub process_cc_flags {
  46     foreach (map {split /\s+/, $_} @_) {
  47         $define{$1} = $2 // 1 if /^-D(\w+)(?:=(.+))?/;
  48     }
  49 }
  50
  51 while (@ARGV) {
  52     my $flag = shift;
  53     if ($flag =~ /^(?:CC_FLAGS=)?(-D\w.*)/) {
  54         process_cc_flags($1);
  55     } elsif ($flag =~ /^(CCTYPE|FILETYPE|PLATFORM|TARG_DIR)=(.+)$/) {
  56         $ARGS{$1} = $2;
  57     } elsif ($flag eq '--sort-fold') {
  58         ++$fold;
  59     }
  60 }
  61
  62 require "$ARGS{TARG_DIR}regen/embed_lib.pl";
  63
  64 {
  65     my @PLATFORM = qw(aix win32 wince os2 netware vms test);
  66     my %PLATFORM;
  67     @PLATFORM{@PLATFORM} = ();
  68
  69     die "PLATFORM undefined, must be one of: @PLATFORM\n"
  70         unless defined $ARGS{PLATFORM};
  71     die "PLATFORM must be one of: @PLATFORM\n"
  72         unless exists $PLATFORM{$ARGS{PLATFORM}};
  73 }
  74
  75 # Is the following guard strictly necessary? Added during refactoring
  76 # to keep the same behaviour when merging other code into here.
  77 process_cc_flags(@Config{qw(ccflags optimize)})
  78     if $ARGS{PLATFORM} ne 'win32' && $ARGS{PLATFORM} ne 'wince'
  79     && $ARGS{PLATFORM} ne 'netware';
  80
  81 # Add the compile-time options that miniperl was built with to %define.
  82 # On Win32 these are not the same options as perl itself will be built
  83 # with since miniperl is built with a canned config (one of the win32/
  84 # config_H.*) and none of the BUILDOPT's that are set in the makefiles,
  85 # but they do include some #define's that are hard-coded in various
  86 # source files and header files and don't include any BUILDOPT's that
  87 # the user might have chosen to disable because the canned configs are
  88 # minimal configs that don't include any of those options.
  89
  90 my @options = sort(Config::bincompat_options(), Config::non_bincompat_options());
  91 print STDERR "Options: (@options)\n" unless $ARGS{PLATFORM} eq 'test';
  92 $define{$_} = 1 foreach @options;
  93
  94 my %exportperlmalloc =
  95     (
  96        Perl_malloc              =>      "malloc",
  97        Perl_mfree               =>      "free",
  98        Perl_realloc             =>      "realloc",
  99        Perl_calloc              =>      "calloc",
 100     );
 101
 102 my $exportperlmalloc = $ARGS{PLATFORM} eq 'os2';
 103
 104 open(CFG, '<', 'config.h') || die "Cannot open config.h: $!\n";
 105 while (<CFG>) {
 106     $define{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
 107                                            |SPRINTF_RETURNS_STRLEN
 108                                            |KILL_BY_SIGPRC
 109                                            |(?:PERL|USE|HAS)_\w+)\b/x;
 110 }
 111 close(CFG);
 112
 113 # perl.h logic duplication begins
 114
 115 if ($define{USE_ITHREADS}) {
 116     if (!$define{MULTIPLICITY}) {
 117         $define{MULTIPLICITY} = 1;
 118     }
 119 }
 120
 121 $define{PERL_IMPLICIT_CONTEXT} ||=
 122     $define{USE_ITHREADS} ||
 123     $define{MULTIPLICITY} ;
 124
 125 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
 126     $define{USE_REENTRANT_API} = 1;
 127 }
 128
 129 # perl.h logic duplication ends
 130
 131 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
 132      unless $ARGS{PLATFORM} eq 'test';
 133
 134 my $sym_ord = 0;
 135 my %ordinal;
 136
 137 if ($ARGS{PLATFORM} eq 'os2') {
 138     if (open my $fh, '<', 'perl5.def') {
 139       while (<$fh>) {
 140         last if /^\s*EXPORTS\b/;
 141       }
 142       while (<$fh>) {
 143         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 144         # This allows skipping ordinals which were used in older versions
 145         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 146       }
 147       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 148     }
 149 }
 150
 151 my %skip;
 152 # All platforms export boot_DynaLoader unconditionally.
 153 my %export = ( boot_DynaLoader => 1 );
 154
 155 sub try_symbols {
 156     foreach my $symbol (@_) {
 157         ++$export{$symbol} unless exists $skip{$symbol};
 158     }
 159 }
 160
 161 sub readvar {
 162     # $hash is the hash that we're adding to. For one of our callers, it will
 163     # actually be the skip hash but that doesn't affect the intent of what
 164     # we're doing, as in that case we skip adding something to the skip hash
 165     # for the second time.
 166
 167     my $file = $ARGS{TARG_DIR} . shift;
 168     my $hash = shift;
 169     my $proc = shift;
 170     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
 171
 172     while (<$vars>) {
 173         # All symbols have a Perl_ prefix because that's what embed.h sticks
 174         # in front of them.  The A?I?S?C? is strictly speaking wrong.
 175         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
 176
 177         my $var = "PL_$3";
 178         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
 179         ++$hash->{$symbol} unless exists $skip{$var};
 180     }
 181 }
 182
 183 if ($ARGS{PLATFORM} ne 'os2') {
 184     ++$skip{$_} foreach qw(
 185                      PL_cryptseen
 186                      PL_opsave
 187                      Perl_GetVars
 188                      Perl_dump_fds
 189                      Perl_my_bcopy
 190                      Perl_my_bzero
 191                      Perl_my_chsize
 192                      Perl_my_htonl
 193                      Perl_my_memcmp
 194                      Perl_my_memset
 195                      Perl_my_ntohl
 196                      Perl_my_swap
 197                          );
 198     if ($ARGS{PLATFORM} eq 'vms') {
 199         ++$skip{PL_statusvalue_posix};
 200         # This is a wrapper if we have symlink, not a replacement
 201         # if we don't.
 202         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
 203     } else {
 204         ++$skip{PL_statusvalue_vms};
 205         if ($ARGS{PLATFORM} ne 'aix') {
 206             ++$skip{$_} foreach qw(
 207                                 PL_DBcv
 208                                 PL_generation
 209                                 PL_lastgotoprobe
 210                                 PL_modcount
 211                                 PL_timesbuf
 212                                 main
 213                                  );
 214         }
 215     }
 216 }
 217
 218 if ($ARGS{PLATFORM} ne 'vms') {
 219     # VMS does its own thing for these symbols.
 220     ++$skip{$_} foreach qw(
 221                         PL_sig_handlers_initted
 222                         PL_sig_ignoring
 223                         PL_sig_defaulting
 224                          );
 225     if ($ARGS{PLATFORM} ne 'win32') {
 226         ++$skip{$_} foreach qw(
 227                             Perl_do_spawn
 228                             Perl_do_spawn_nowait
 229                             Perl_do_aspawn
 230                              );
 231     }
 232 }
 233
 234 unless ($define{UNLINK_ALL_VERSIONS}) {
 235     ++$skip{Perl_unlnk};
 236 }
 237
 238 unless ($define{'DEBUGGING'}) {
 239     ++$skip{$_} foreach qw(
 240                     Perl_debop
 241                     Perl_debprofdump
 242                     Perl_debstack
 243                     Perl_debstackptrs
 244                     Perl_pad_sv
 245                     Perl_pad_setsv
 246                     Perl_hv_assert
 247                     PL_watchaddr
 248                     PL_watchok
 249                     PL_watch_pvx
 250                          );
 251 }
 252
 253 if ($define{'PERL_IMPLICIT_SYS'}) {
 254     ++$skip{$_} foreach qw(
 255                     Perl_my_popen
 256                     Perl_my_pclose
 257                          );
 258     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
 259     ++$export{perl_clone_host} if $define{USE_ITHREADS};
 260 }
 261 else {
 262     ++$skip{$_} foreach qw(
 263                     PL_Mem
 264                     PL_MemShared
 265                     PL_MemParse
 266                     PL_Env
 267                     PL_StdIO
 268                     PL_LIO
 269                     PL_Dir
 270                     PL_Sock
 271                     PL_Proc
 272                     perl_alloc_using
 273                     perl_clone_using
 274                          );
 275 }
 276
 277 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 278     ++$skip{Perl_sv_setsv_cow};
 279 }
 280
 281 unless ($define{'USE_REENTRANT_API'}) {
 282     ++$skip{PL_reentrant_buffer};
 283 }
 284
 285 if ($define{'MYMALLOC'}) {
 286     try_symbols(qw(
 287                     Perl_dump_mstats
 288                     Perl_get_mstats
 289                     Perl_strdup
 290                     Perl_putenv
 291                     MallocCfg_ptr
 292                     MallocCfgP_ptr
 293                     ));
 294     unless ($define{USE_ITHREADS}) {
 295         ++$skip{PL_malloc_mutex}
 296     }
 297 }
 298 else {
 299     ++$skip{$_} foreach qw(
 300                     PL_malloc_mutex
 301                     Perl_dump_mstats
 302                     Perl_get_mstats
 303                     MallocCfg_ptr
 304                     MallocCfgP_ptr
 305                          );
 306 }
 307
 308 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 309     ++$skip{PL_use_safe_putenv};
 310 }
 311
 312 unless ($define{'USE_ITHREADS'}) {
 313     ++$skip{PL_thr_key};
 314 }
 315
 316 # USE_5005THREADS symbols. Kept as reference for easier removal
 317 ++$skip{$_} foreach qw(
 318                     PL_sv_mutex
 319                     PL_strtab_mutex
 320                     PL_svref_mutex
 321                     PL_cred_mutex
 322                     PL_eval_mutex
 323                     PL_fdpid_mutex
 324                     PL_sv_lock_mutex
 325                     PL_eval_cond
 326                     PL_eval_owner
 327                     PL_threads_mutex
 328                     PL_nthreads
 329                     PL_nthreads_cond
 330                     PL_threadnum
 331                     PL_threadsv_names
 332                     PL_thrsv
 333                     PL_vtbl_mutex
 334                     Perl_condpair_magic
 335                     Perl_new_struct_thread
 336                     Perl_per_thread_magicals
 337                     Perl_thread_create
 338                     Perl_find_threadsv
 339                     Perl_unlock_condpair
 340                     Perl_magic_mutexfree
 341                     Perl_sv_lock
 342                      );
 343
 344 unless ($define{'USE_ITHREADS'}) {
 345     ++$skip{$_} foreach qw(
 346                     PL_check_mutex
 347                     PL_op_mutex
 348                     PL_regex_pad
 349                     PL_regex_padav
 350                     PL_dollarzero_mutex
 351                     PL_hints_mutex
 352                     PL_my_ctx_mutex
 353                     PL_perlio_mutex
 354                     PL_stashpad
 355                     PL_stashpadix
 356                     PL_stashpadmax
 357                     Perl_alloccopstash
 358                     Perl_clone_params_del
 359                     Perl_clone_params_new
 360                     Perl_parser_dup
 361                     Perl_dirp_dup
 362                     Perl_cx_dup
 363                     Perl_si_dup
 364                     Perl_any_dup
 365                     Perl_ss_dup
 366                     Perl_fp_dup
 367                     Perl_gp_dup
 368                     Perl_he_dup
 369                     Perl_mg_dup
 370                     Perl_re_dup_guts
 371                     Perl_sv_dup
 372                     Perl_sv_dup_inc
 373                     Perl_rvpv_dup
 374                     Perl_hek_dup
 375                     Perl_sys_intern_dup
 376                     perl_clone
 377                     perl_clone_using
 378                     Perl_stashpv_hvname_match
 379                     Perl_regdupe_internal
 380                     Perl_newPADOP
 381                          );
 382 }
 383
 384 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 385     ++$skip{$_} foreach qw(
 386                     PL_my_cxt_index
 387                     PL_my_cxt_list
 388                     PL_my_cxt_size
 389                     PL_my_cxt_keys
 390                     Perl_croak_nocontext
 391                     Perl_die_nocontext
 392                     Perl_deb_nocontext
 393                     Perl_form_nocontext
 394                     Perl_load_module_nocontext
 395                     Perl_mess_nocontext
 396                     Perl_warn_nocontext
 397                     Perl_warner_nocontext
 398                     Perl_newSVpvf_nocontext
 399                     Perl_sv_catpvf_nocontext
 400                     Perl_sv_setpvf_nocontext
 401                     Perl_sv_catpvf_mg_nocontext
 402                     Perl_sv_setpvf_mg_nocontext
 403                     Perl_my_cxt_init
 404                     Perl_my_cxt_index
 405                          );
 406 }
 407
 408 unless ($define{'PERL_NEED_APPCTX'}) {
 409     ++$skip{PL_appctx};
 410 }
 411
 412 unless ($define{'PERL_NEED_TIMESBASE'}) {
 413     ++$skip{PL_timesbase};
 414 }
 415
 416 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 417     ++$skip{PL_sv_serial};
 418 }
 419
 420 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 421     ++$skip{PL_dumper_fd};
 422 }
 423
 424 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 425     ++$skip{Perl_gv_SVadd};
 426 }
 427
 428 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 429     ++$skip{Perl_my_sprintf};
 430 }
 431
 432 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 433     ++$skip{PL_pidstatus};
 434 }
 435
 436 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 437     ++$skip{PL_memory_debug_header};
 438 }
 439
 440 unless ($define{PERL_MAD}) {
 441     ++$skip{$_} foreach qw(
 442                     PL_madskills
 443                     PL_xmlfp
 444                          );
 445 }
 446
 447 unless ($define{'MULTIPLICITY'}) {
 448     ++$skip{$_} foreach qw(
 449                     PL_interp_size
 450                     PL_interp_size_5_16_0
 451                          );
 452 }
 453
 454 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 455     ++$skip{PL_global_struct_size};
 456 }
 457
 458 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 459     ++$skip{$_} foreach qw(
 460                     PL_my_cxt_keys
 461                     Perl_my_cxt_index
 462                          );
 463 }
 464
 465 unless ($define{HAS_MMAP}) {
 466     ++$skip{PL_mmap_page_size};
 467 }
 468
 469 if ($define{HAS_SIGACTION}) {
 470     ++$skip{PL_sig_trapped};
 471
 472     if ($ARGS{PLATFORM} eq 'vms') {
 473         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
 474         ++$skip{PL_sig_ignoring};
 475         ++$skip{PL_sig_handlers_initted} unless $define{KILL_BY_SIGPRC};
 476     }
 477 }
 478
 479 if ($ARGS{PLATFORM} eq 'vms' && !$define{KILL_BY_SIGPRC}) {
 480     # FAKE_DEFAULT_SIGNAL_HANDLERS defined as KILL_BY_SIGPRC
 481     ++$skip{Perl_csighandler_init};
 482     ++$skip{Perl_my_kill};
 483     ++$skip{Perl_sig_to_vmscondition};
 484     ++$skip{PL_sig_defaulting};
 485     ++$skip{PL_sig_handlers_initted} unless !$define{HAS_SIGACTION};
 486 }
 487
 488 unless ($define{USE_LOCALE_COLLATE}) {
 489     ++$skip{$_} foreach qw(
 490                     PL_collation_ix
 491                     PL_collation_name
 492                     PL_collation_standard
 493                     PL_collxfrm_base
 494                     PL_collxfrm_mult
 495                     Perl_sv_collxfrm
 496                     Perl_sv_collxfrm_flags
 497                          );
 498 }
 499
 500 unless ($define{USE_LOCALE_NUMERIC}) {
 501     ++$skip{$_} foreach qw(
 502                     PL_numeric_local
 503                     PL_numeric_name
 504                     PL_numeric_radix_sv
 505                     PL_numeric_standard
 506                          );
 507 }
 508
 509 unless ($define{HAVE_INTERP_INTERN}) {
 510     ++$skip{$_} foreach qw(
 511                     Perl_sys_intern_clear
 512                     Perl_sys_intern_dup
 513                     Perl_sys_intern_init
 514                     PL_sys_intern
 515                          );
 516 }
 517
 518 if ($define{HAS_SIGNBIT}) {
 519     ++$skip{Perl_signbit};
 520 }
 521
 522 if ($define{'PERL_GLOBAL_STRUCT'}) {
 523     readvar('perlvars.h', \%skip);
 524     # This seems like the least ugly way to cope with the fact that PL_sh_path
 525     # is mentioned in perlvar.h and globvar.sym, and always exported.
 526     delete $skip{PL_sh_path};
 527     ++$export{Perl_GetVars};
 528     try_symbols(qw(PL_Vars PL_VarsPtr)) unless $ARGS{CCTYPE} eq 'GCC';
 529 } else {
 530     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
 531 }
 532
 533 # functions from *.sym files
 534
 535 my @syms = qw(globvar.sym);
 536
 537 # Symbols that are the public face of the PerlIO layers implementation
 538 # These are in _addition to_ the public face of the abstraction
 539 # and need to be exported to allow XS modules to implement layers
 540 my @layer_syms = qw(
 541                     PerlIOBase_binmode
 542                     PerlIOBase_clearerr
 543                     PerlIOBase_close
 544                     PerlIOBase_dup
 545                     PerlIOBase_eof
 546                     PerlIOBase_error
 547                     PerlIOBase_fileno
 548                     PerlIOBase_open
 549                     PerlIOBase_noop_fail
 550                     PerlIOBase_noop_ok
 551                     PerlIOBase_popped
 552                     PerlIOBase_pushed
 553                     PerlIOBase_read
 554                     PerlIOBase_setlinebuf
 555                     PerlIOBase_unread
 556                     PerlIOBuf_bufsiz
 557                     PerlIOBuf_close
 558                     PerlIOBuf_dup
 559                     PerlIOBuf_fill
 560                     PerlIOBuf_flush
 561                     PerlIOBuf_get_base
 562                     PerlIOBuf_get_cnt
 563                     PerlIOBuf_get_ptr
 564                     PerlIOBuf_open
 565                     PerlIOBuf_popped
 566                     PerlIOBuf_pushed
 567                     PerlIOBuf_read
 568                     PerlIOBuf_seek
 569                     PerlIOBuf_set_ptrcnt
 570                     PerlIOBuf_tell
 571                     PerlIOBuf_unread
 572                     PerlIOBuf_write
 573                     PerlIO_allocate
 574                     PerlIO_apply_layera
 575                     PerlIO_apply_layers
 576                     PerlIO_arg_fetch
 577                     PerlIO_debug
 578                     PerlIO_define_layer
 579                     PerlIO_find_layer
 580                     PerlIO_isutf8
 581                     PerlIO_layer_fetch
 582                     PerlIO_list_alloc
 583                     PerlIO_list_free
 584                     PerlIO_modestr
 585                     PerlIO_parse_layers
 586                     PerlIO_pending
 587                     PerlIO_perlio
 588                     PerlIO_pop
 589                     PerlIO_push
 590                     PerlIO_sv_dup
 591                     Perl_PerlIO_clearerr
 592                     Perl_PerlIO_close
 593                     Perl_PerlIO_context_layers
 594                     Perl_PerlIO_eof
 595                     Perl_PerlIO_error
 596                     Perl_PerlIO_fileno
 597                     Perl_PerlIO_fill
 598                     Perl_PerlIO_flush
 599                     Perl_PerlIO_get_base
 600                     Perl_PerlIO_get_bufsiz
 601                     Perl_PerlIO_get_cnt
 602                     Perl_PerlIO_get_ptr
 603                     Perl_PerlIO_read
 604                     Perl_PerlIO_seek
 605                     Perl_PerlIO_set_cnt
 606                     Perl_PerlIO_set_ptrcnt
 607                     Perl_PerlIO_setlinebuf
 608                     Perl_PerlIO_stderr
 609                     Perl_PerlIO_stdin
 610                     Perl_PerlIO_stdout
 611                     Perl_PerlIO_tell
 612                     Perl_PerlIO_unread
 613                     Perl_PerlIO_write
 614 );
 615 if ($ARGS{PLATFORM} eq 'netware') {
 616     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 617 }
 618
 619 if ($define{'USE_PERLIO'}) {
 620     # Export the symols that make up the PerlIO abstraction, regardless
 621     # of its implementation - read from a file
 622     push @syms, 'perlio.sym';
 623
 624     # This part is then dependent on how the abstraction is implemented
 625     if ($define{'USE_SFIO'}) {
 626         # Old legacy non-stdio "PerlIO"
 627         ++$skip{$_} foreach @layer_syms;
 628         ++$skip{perlsio_binmode};
 629         # SFIO defines most of the PerlIO routines as macros
 630         # So undo most of what $perlio_sym has just done - d'oh !
 631         # Perhaps it would be better to list the ones which do exist
 632         # And emit them
 633         ++$skip{$_} foreach qw(
 634                          PerlIO_canset_cnt
 635                          PerlIO_clearerr
 636                          PerlIO_close
 637                          PerlIO_eof
 638                          PerlIO_error
 639                          PerlIO_exportFILE
 640                          PerlIO_fast_gets
 641                          PerlIO_fdopen
 642                          PerlIO_fileno
 643                          PerlIO_findFILE
 644                          PerlIO_flush
 645                          PerlIO_get_base
 646                          PerlIO_get_bufsiz
 647                          PerlIO_get_cnt
 648                          PerlIO_get_ptr
 649                          PerlIO_getc
 650                          PerlIO_getname
 651                          PerlIO_has_base
 652                          PerlIO_has_cntptr
 653                          PerlIO_importFILE
 654                          PerlIO_open
 655                          PerlIO_printf
 656                          PerlIO_putc
 657                          PerlIO_puts
 658                          PerlIO_read
 659                          PerlIO_releaseFILE
 660                          PerlIO_reopen
 661                          PerlIO_rewind
 662                          PerlIO_seek
 663                          PerlIO_set_cnt
 664                          PerlIO_set_ptrcnt
 665                          PerlIO_setlinebuf
 666                          PerlIO_sprintf
 667                          PerlIO_stderr
 668                          PerlIO_stdin
 669                          PerlIO_stdout
 670                          PerlIO_stdoutf
 671                          PerlIO_tell
 672                          PerlIO_ungetc
 673                          PerlIO_vprintf
 674                          PerlIO_write
 675                          PerlIO_perlio
 676                          Perl_PerlIO_clearerr
 677                          Perl_PerlIO_close
 678                          Perl_PerlIO_eof
 679                          Perl_PerlIO_error
 680                          Perl_PerlIO_fileno
 681                          Perl_PerlIO_fill
 682                          Perl_PerlIO_flush
 683                          Perl_PerlIO_get_base
 684                          Perl_PerlIO_get_bufsiz
 685                          Perl_PerlIO_get_cnt
 686                          Perl_PerlIO_get_ptr
 687                          Perl_PerlIO_read
 688                          Perl_PerlIO_seek
 689                          Perl_PerlIO_set_cnt
 690                          Perl_PerlIO_set_ptrcnt
 691                          Perl_PerlIO_setlinebuf
 692                          Perl_PerlIO_stderr
 693                          Perl_PerlIO_stdin
 694                          Perl_PerlIO_stdout
 695                          Perl_PerlIO_tell
 696                          Perl_PerlIO_unread
 697                          Perl_PerlIO_write
 698                          PL_def_layerlist
 699                          PL_known_layers
 700                          PL_perlio
 701                              );
 702     }
 703     else {
 704         # PerlIO with layers - export implementation
 705         try_symbols(@layer_syms, 'perlsio_binmode');
 706     }
 707 } else {
 708         # -Uuseperlio
 709         # Skip the PerlIO layer symbols - although
 710         # nothing should have exported them anyway.
 711         ++$skip{$_} foreach @layer_syms;
 712         ++$skip{$_} foreach qw(
 713                         perlsio_binmode
 714                         PL_def_layerlist
 715                         PL_known_layers
 716                         PL_perlio
 717                         PL_perlio_debug_fd
 718                         PL_perlio_fd_refcnt
 719                         PL_perlio_fd_refcnt_size
 720                         PL_perlio_mutex
 721                              );
 722
 723         # Also do NOT add abstraction symbols from $perlio_sym
 724         # abstraction is done as #define to stdio
 725         # Remaining remnants that _may_ be functions are handled below.
 726 }
 727
 728 ###############################################################################
 729
 730 # At this point all skip lists should be completed, as we are about to test
 731 # many symbols against them.
 732
 733 {
 734     my %seen;
 735     my ($embed) = setup_embed($ARGS{TARG_DIR});
 736
 737     foreach (@$embed) {
 738         my ($flags, $retval, $func, @args) = @$_;
 739         next unless $func;
 740         if ($flags =~ /[AX]/ && $flags !~ /[xm]/ || $flags =~ /b/) {
 741             # public API, so export
 742
 743             # If a function is defined twice, for example before and after
 744             # an #else, only export its name once. Important to do this test
 745             # within the block, as the *first* definition may have flags which
 746             # mean "don't export"
 747             next if $seen{$func}++;
 748             $func = "Perl_$func" if $flags =~ /[pbX]/;
 749             ++$export{$func} unless exists $skip{$func};
 750         }
 751     }
 752 }
 753
 754 foreach (@syms) {
 755     my $syms = $ARGS{TARG_DIR} . $_;
 756     open my $global, '<', $syms or die "failed to open $syms: $!\n";
 757     # Functions already have a Perl_ prefix
 758     # Variables need a PL_ prefix
 759     my $prefix = $syms =~ /var\.sym$/i ? 'PL_' : '';
 760     while (<$global>) {
 761         next unless /^([A-Za-z].*)/;
 762         my $symbol = "$prefix$1";
 763         ++$export{$symbol} unless exists $skip{$symbol};
 764     }
 765 }
 766
 767 # variables
 768
 769 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
 770     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 771     # XXX AIX seems to want the perlvars.h symbols, for some reason
 772     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
 773         readvar('perlvars.h', \%export);
 774     }
 775 }
 776 else {
 777     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 778         readvar('perlvars.h', \%export);
 779     }
 780     unless ($define{MULTIPLICITY}) {
 781         readvar('intrpvar.h', \%export);
 782     }
 783 }
 784
 785 # Oddities from PerlIO
 786 # All have alternate implementations in perlio.c, so always exist.
 787 # Should they be considered to be part of the API?
 788 try_symbols(qw(
 789                     PerlIO_binmode
 790                     PerlIO_getpos
 791                     PerlIO_init
 792                     PerlIO_setpos
 793                     PerlIO_sprintf
 794                     PerlIO_tmpfile
 795                     PerlIO_vsprintf
 796              ));
 797
 798 if ($ARGS{PLATFORM} eq 'win32') {
 799     try_symbols(qw(
 800                                  win32_free_childdir
 801                                  win32_free_childenv
 802                                  win32_get_childdir
 803                                  win32_get_childenv
 804                                  win32_spawnvp
 805                  ));
 806 }
 807
 808 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
 809     try_symbols(qw(
 810                             Perl_init_os_extras
 811                             Perl_thread_create
 812                             Perl_win32_init
 813                             Perl_win32_term
 814                             RunPerl
 815                             win32_async_check
 816                             win32_errno
 817                             win32_environ
 818                             win32_abort
 819                             win32_fstat
 820                             win32_stat
 821                             win32_pipe
 822                             win32_popen
 823                             win32_pclose
 824                             win32_rename
 825                             win32_setmode
 826                             win32_chsize
 827                             win32_lseek
 828                             win32_tell
 829                             win32_dup
 830                             win32_dup2
 831                             win32_open
 832                             win32_close
 833                             win32_eof
 834                             win32_isatty
 835                             win32_read
 836                             win32_write
 837                             win32_mkdir
 838                             win32_rmdir
 839                             win32_chdir
 840                             win32_flock
 841                             win32_execv
 842                             win32_execvp
 843                             win32_htons
 844                             win32_ntohs
 845                             win32_htonl
 846                             win32_ntohl
 847                             win32_inet_addr
 848                             win32_inet_ntoa
 849                             win32_socket
 850                             win32_bind
 851                             win32_listen
 852                             win32_accept
 853                             win32_connect
 854                             win32_send
 855                             win32_sendto
 856                             win32_recv
 857                             win32_recvfrom
 858                             win32_shutdown
 859                             win32_closesocket
 860                             win32_ioctlsocket
 861                             win32_setsockopt
 862                             win32_getsockopt
 863                             win32_getpeername
 864                             win32_getsockname
 865                             win32_gethostname
 866                             win32_gethostbyname
 867                             win32_gethostbyaddr
 868                             win32_getprotobyname
 869                             win32_getprotobynumber
 870                             win32_getservbyname
 871                             win32_getservbyport
 872                             win32_select
 873                             win32_endhostent
 874                             win32_endnetent
 875                             win32_endprotoent
 876                             win32_endservent
 877                             win32_getnetent
 878                             win32_getnetbyname
 879                             win32_getnetbyaddr
 880                             win32_getprotoent
 881                             win32_getservent
 882                             win32_sethostent
 883                             win32_setnetent
 884                             win32_setprotoent
 885                             win32_setservent
 886                             win32_getenv
 887                             win32_putenv
 888                             win32_perror
 889                             win32_malloc
 890                             win32_calloc
 891                             win32_realloc
 892                             win32_free
 893                             win32_sleep
 894                             win32_times
 895                             win32_access
 896                             win32_alarm
 897                             win32_chmod
 898                             win32_open_osfhandle
 899                             win32_get_osfhandle
 900                             win32_ioctl
 901                             win32_link
 902                             win32_unlink
 903                             win32_utime
 904                             win32_gettimeofday
 905                             win32_uname
 906                             win32_wait
 907                             win32_waitpid
 908                             win32_kill
 909                             win32_str_os_error
 910                             win32_opendir
 911                             win32_readdir
 912                             win32_telldir
 913                             win32_seekdir
 914                             win32_rewinddir
 915                             win32_closedir
 916                             win32_longpath
 917                             win32_ansipath
 918                             win32_os_id
 919                             win32_getpid
 920                             win32_crypt
 921                             win32_dynaload
 922                             win32_clearenv
 923                             win32_stdin
 924                             win32_stdout
 925                             win32_stderr
 926                             win32_ferror
 927                             win32_feof
 928                             win32_strerror
 929                             win32_fprintf
 930                             win32_printf
 931                             win32_vfprintf
 932                             win32_vprintf
 933                             win32_fread
 934                             win32_fwrite
 935                             win32_fopen
 936                             win32_fdopen
 937                             win32_freopen
 938                             win32_fclose
 939                             win32_fputs
 940                             win32_fputc
 941                             win32_ungetc
 942                             win32_getc
 943                             win32_fileno
 944                             win32_clearerr
 945                             win32_fflush
 946                             win32_ftell
 947                             win32_fseek
 948                             win32_fgetpos
 949                             win32_fsetpos
 950                             win32_rewind
 951                             win32_tmpfile
 952                             win32_setbuf
 953                             win32_setvbuf
 954                             win32_flushall
 955                             win32_fcloseall
 956                             win32_fgets
 957                             win32_gets
 958                             win32_fgetc
 959                             win32_putc
 960                             win32_puts
 961                             win32_getchar
 962                             win32_putchar
 963                  ));
 964 }
 965 elsif ($ARGS{PLATFORM} eq 'vms') {
 966     try_symbols(qw(
 967                       Perl_cando
 968                       Perl_cando_by_name
 969                       Perl_closedir
 970                       Perl_csighandler_init
 971                       Perl_do_rmdir
 972                       Perl_fileify_dirspec
 973                       Perl_fileify_dirspec_ts
 974                       Perl_fileify_dirspec_utf8
 975                       Perl_fileify_dirspec_utf8_ts
 976                       Perl_flex_fstat
 977                       Perl_flex_lstat
 978                       Perl_flex_stat
 979                       Perl_kill_file
 980                       Perl_my_chdir
 981                       Perl_my_chmod
 982                       Perl_my_crypt
 983                       Perl_my_endpwent
 984                       Perl_my_fclose
 985                       Perl_my_fdopen
 986                       Perl_my_fgetname
 987                       Perl_my_flush
 988                       Perl_my_fwrite
 989                       Perl_my_gconvert
 990                       Perl_my_getenv
 991                       Perl_my_getenv_len
 992                       Perl_my_getlogin
 993                       Perl_my_getpwnam
 994                       Perl_my_getpwuid
 995                       Perl_my_gmtime
 996                       Perl_my_kill
 997                       Perl_my_localtime
 998                       Perl_my_mkdir
 999                       Perl_my_sigaction
1000                       Perl_my_symlink
1001                       Perl_my_time
1002                       Perl_my_tmpfile
1003                       Perl_my_trnlnm
1004                       Perl_my_utime
1005                       Perl_my_waitpid
1006                       Perl_opendir
1007                       Perl_pathify_dirspec
1008                       Perl_pathify_dirspec_ts
1009                       Perl_pathify_dirspec_utf8
1010                       Perl_pathify_dirspec_utf8_ts
1011                       Perl_readdir
1012                       Perl_readdir_r
1013                       Perl_rename
1014                       Perl_rmscopy
1015                       Perl_rmsexpand
1016                       Perl_rmsexpand_ts
1017                       Perl_rmsexpand_utf8
1018                       Perl_rmsexpand_utf8_ts
1019                       Perl_seekdir
1020                       Perl_sig_to_vmscondition
1021                       Perl_telldir
1022                       Perl_tounixpath
1023                       Perl_tounixpath_ts
1024                       Perl_tounixpath_utf8
1025                       Perl_tounixpath_utf8_ts
1026                       Perl_tounixspec
1027                       Perl_tounixspec_ts
1028                       Perl_tounixspec_utf8
1029                       Perl_tounixspec_utf8_ts
1030                       Perl_tovmspath
1031                       Perl_tovmspath_ts
1032                       Perl_tovmspath_utf8
1033                       Perl_tovmspath_utf8_ts
1034                       Perl_tovmsspec
1035                       Perl_tovmsspec_ts
1036                       Perl_tovmsspec_utf8
1037                       Perl_tovmsspec_utf8_ts
1038                       Perl_trim_unixpath
1039                       Perl_vms_case_tolerant
1040                       Perl_vms_do_aexec
1041                       Perl_vms_do_exec
1042                       Perl_vms_image_init
1043                       Perl_vms_realpath
1044                       Perl_vmssetenv
1045                       Perl_vmssetuserlnm
1046                       Perl_vmstrnenv
1047                       PerlIO_openn
1048                  ));
1049 }
1050 elsif ($ARGS{PLATFORM} eq 'os2') {
1051     try_symbols(qw(
1052                       ctermid
1053                       get_sysinfo
1054                       Perl_OS2_init
1055                       Perl_OS2_init3
1056                       Perl_OS2_term
1057                       OS2_Perl_data
1058                       dlopen
1059                       dlsym
1060                       dlerror
1061                       dlclose
1062                       dup2
1063                       dup
1064                       my_tmpfile
1065                       my_tmpnam
1066                       my_flock
1067                       my_rmdir
1068                       my_mkdir
1069                       my_getpwuid
1070                       my_getpwnam
1071                       my_getpwent
1072                       my_setpwent
1073                       my_endpwent
1074                       fork_with_resources
1075                       croak_with_os2error
1076                       setgrent
1077                       endgrent
1078                       getgrent
1079                       malloc_mutex
1080                       threads_mutex
1081                       nthreads
1082                       nthreads_cond
1083                       os2_cond_wait
1084                       os2_stat
1085                       os2_execname
1086                       async_mssleep
1087                       msCounter
1088                       InfoTable
1089                       pthread_join
1090                       pthread_create
1091                       pthread_detach
1092                       XS_Cwd_change_drive
1093                       XS_Cwd_current_drive
1094                       XS_Cwd_extLibpath
1095                       XS_Cwd_extLibpath_set
1096                       XS_Cwd_sys_abspath
1097                       XS_Cwd_sys_chdir
1098                       XS_Cwd_sys_cwd
1099                       XS_Cwd_sys_is_absolute
1100                       XS_Cwd_sys_is_relative
1101                       XS_Cwd_sys_is_rooted
1102                       XS_DynaLoader_mod2fname
1103                       XS_File__Copy_syscopy
1104                       Perl_Register_MQ
1105                       Perl_Deregister_MQ
1106                       Perl_Serve_Messages
1107                       Perl_Process_Messages
1108                       init_PMWIN_entries
1109                       PMWIN_entries
1110                       Perl_hab_GET
1111                       loadByOrdinal
1112                       pExtFCN
1113                       os2error
1114                       ResetWinError
1115                       CroakWinError
1116                       PL_do_undump
1117                  ));
1118 }
1119 elsif ($ARGS{PLATFORM} eq 'netware') {
1120     try_symbols(qw(
1121                         Perl_init_os_extras
1122                         Perl_thread_create
1123                         Perl_nw5_init
1124                         RunPerl
1125                         AllocStdPerl
1126                         FreeStdPerl
1127                         do_spawn2
1128                         do_aspawn
1129                         nw_uname
1130                         nw_stdin
1131                         nw_stdout
1132                         nw_stderr
1133                         nw_feof
1134                         nw_ferror
1135                         nw_fopen
1136                         nw_fclose
1137                         nw_clearerr
1138                         nw_getc
1139                         nw_fgets
1140                         nw_fputc
1141                         nw_fputs
1142                         nw_fflush
1143                         nw_ungetc
1144                         nw_fileno
1145                         nw_fdopen
1146                         nw_freopen
1147                         nw_fread
1148                         nw_fwrite
1149                         nw_setbuf
1150                         nw_setvbuf
1151                         nw_vfprintf
1152                         nw_ftell
1153                         nw_fseek
1154                         nw_rewind
1155                         nw_tmpfile
1156                         nw_fgetpos
1157                         nw_fsetpos
1158                         nw_dup
1159                         nw_access
1160                         nw_chmod
1161                         nw_chsize
1162                         nw_close
1163                         nw_dup2
1164                         nw_flock
1165                         nw_isatty
1166                         nw_link
1167                         nw_lseek
1168                         nw_stat
1169                         nw_mktemp
1170                         nw_open
1171                         nw_read
1172                         nw_rename
1173                         nw_setmode
1174                         nw_unlink
1175                         nw_utime
1176                         nw_write
1177                         nw_chdir
1178                         nw_rmdir
1179                         nw_closedir
1180                         nw_opendir
1181                         nw_readdir
1182                         nw_rewinddir
1183                         nw_seekdir
1184                         nw_telldir
1185                         nw_htonl
1186                         nw_htons
1187                         nw_ntohl
1188                         nw_ntohs
1189                         nw_accept
1190                         nw_bind
1191                         nw_connect
1192                         nw_endhostent
1193                         nw_endnetent
1194                         nw_endprotoent
1195                         nw_endservent
1196                         nw_gethostbyaddr
1197                         nw_gethostbyname
1198                         nw_gethostent
1199                         nw_gethostname
1200                         nw_getnetbyaddr
1201                         nw_getnetbyname
1202                         nw_getnetent
1203                         nw_getpeername
1204                         nw_getprotobyname
1205                         nw_getprotobynumber
1206                         nw_getprotoent
1207                         nw_getservbyname
1208                         nw_getservbyport
1209                         nw_getservent
1210                         nw_getsockname
1211                         nw_getsockopt
1212                         nw_inet_addr
1213                         nw_listen
1214                         nw_socket
1215                         nw_recv
1216                         nw_recvfrom
1217                         nw_select
1218                         nw_send
1219                         nw_sendto
1220                         nw_sethostent
1221                         nw_setnetent
1222                         nw_setprotoent
1223                         nw_setservent
1224                         nw_setsockopt
1225                         nw_inet_ntoa
1226                         nw_shutdown
1227                         nw_crypt
1228                         nw_execvp
1229                         nw_kill
1230                         nw_Popen
1231                         nw_Pclose
1232                         nw_Pipe
1233                         nw_times
1234                         nw_waitpid
1235                         nw_getpid
1236                         nw_spawnvp
1237                         nw_os_id
1238                         nw_open_osfhandle
1239                         nw_get_osfhandle
1240                         nw_abort
1241                         nw_sleep
1242                         nw_wait
1243                         nw_dynaload
1244                         nw_strerror
1245                         fnFpSetMode
1246                         fnInsertHashListAddrs
1247                         fnGetHashListAddrs
1248                         Perl_deb
1249                         Perl_sv_setsv
1250                         Perl_sv_catsv
1251                         Perl_sv_catpvn
1252                         Perl_sv_2pv
1253                         nw_freeenviron
1254                         Remove_Thread_Ctx
1255                  ));
1256 }
1257
1258 # When added this code was only run for Win32 and WinCE
1259 # Currently only Win32 links static extensions into the shared library.
1260 # The WinCE makefile doesn't appear to support static extensions, so this code
1261 # can't have any effect there.
1262 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1263 # list of dynamic extensions, and the rules to build them)
1264 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1265 # static extensions with -fPIC, but links them to perl, not libperl.so
1266 # The VMS build scripts don't yet implement static extensions at all.
1267
1268 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1269     # records of type boot_module for statically linked modules (except Dynaloader)
1270     my $static_ext = $Config{static_ext} // "";
1271     $static_ext =~ s/\//__/g;
1272     $static_ext =~ s/\bDynaLoader\b//;
1273     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1274     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1275 }
1276
1277 if ($ARGS{PLATFORM} eq 'os2') {
1278     my (%mapped, @missing);
1279     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1280     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1281     close MAP or die 'Cannot close miniperl.map';
1282
1283     @missing = grep { !exists $mapped{$_} }
1284                     keys %export;
1285     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1286     delete $export{$_} foreach @missing;
1287 }
1288
1289 ###############################################################################
1290
1291 # Now all symbols should be defined because next we are going to output them.
1292
1293 # Start with platform specific headers:
1294
1295 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1296     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1297         : "perl$Config{api_revision}$Config{api_version}";
1298     print "LIBRARY $dll\n";
1299     # The DESCRIPTION module definition file statement is not supported
1300     # by VC7 onwards.
1301     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1302         print "DESCRIPTION 'Perl interpreter'\n";
1303     }
1304     print "EXPORTS\n";
1305 }
1306 elsif ($ARGS{PLATFORM} eq 'os2') {
1307     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1308     $v .= '-thread' if $Config{archname} =~ /-thread/;
1309     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1310     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1311     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1312     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1313     print <<"---EOP---";
1314 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1315 $d
1316 STACKSIZE 32768
1317 CODE LOADONCALL
1318 DATA LOADONCALL NONSHARED MULTIPLE
1319 EXPORTS
1320 ---EOP---
1321 }
1322 elsif ($ARGS{PLATFORM} eq 'aix') {
1323     my $OSVER = `uname -v`;
1324     chop $OSVER;
1325     my $OSREL = `uname -r`;
1326     chop $OSREL;
1327     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1328         print "#! ..\n";
1329     } else {
1330         print "#!\n";
1331     }
1332 }
1333 elsif ($ARGS{PLATFORM} eq 'netware') {
1334         if ($ARGS{FILETYPE} eq 'def') {
1335         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1336         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1337         print "EXPORTS\n";
1338         }
1339 }
1340
1341 # Then the symbols
1342
1343 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1344 foreach my $symbol (@symbols) {
1345     if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1346         print "\t$symbol\n";
1347     }
1348     elsif ($ARGS{PLATFORM} eq 'os2') {
1349         printf qq(    %-31s \@%s\n),
1350           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1351         printf qq(    %-31s \@%s\n),
1352           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1353           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1354           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1355     }
1356     elsif ($ARGS{PLATFORM} eq 'netware') {
1357         print "\t$symbol,\n";
1358     } else {
1359         print "$symbol\n";
1360     }
1361 }
1362
1363 # Then platform specific footers.
1364
1365 if ($ARGS{PLATFORM} eq 'os2') {
1366     print <<EOP;
1367     dll_perlmain=main
1368     fill_extLibpath
1369     dir_subst
1370     Perl_OS2_handler_install
1371
1372 ; LAST_ORDINAL=$sym_ord
1373 EOP
1374 }
1375
1376 1;