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{$1} = 1 if /^\s*\#\s*define\s+(MYMALLOC|MULTIPLICITY
 107                                            |SPRINTF_RETURNS_STRLEN
 108                                            |(?:PERL|USE|HAS)_\w+)\b/x;
 109 }
 110 close(CFG);
 111
 112 # perl.h logic duplication begins
 113
 114 if ($define{PERL_IMPLICIT_SYS}) {
 115     $define{PL_OP_SLAB_ALLOC} = 1;
 116 }
 117
 118 if ($define{USE_ITHREADS}) {
 119     if (!$define{MULTIPLICITY}) {
 120         $define{MULTIPLICITY} = 1;
 121     }
 122 }
 123
 124 $define{PERL_IMPLICIT_CONTEXT} ||=
 125     $define{USE_ITHREADS} ||
 126     $define{MULTIPLICITY} ;
 127
 128 if ($define{USE_ITHREADS} && $ARGS{PLATFORM} ne 'win32' && $^O ne 'darwin') {
 129     $define{USE_REENTRANT_API} = 1;
 130 }
 131
 132 # perl.h logic duplication ends
 133
 134 print STDERR "Defines: (" . join(' ', sort keys %define) . ")\n"
 135      unless $ARGS{PLATFORM} eq 'test';
 136
 137 my $sym_ord = 0;
 138 my %ordinal;
 139
 140 if ($ARGS{PLATFORM} eq 'os2') {
 141     if (open my $fh, '<', 'perl5.def') {
 142       while (<$fh>) {
 143         last if /^\s*EXPORTS\b/;
 144       }
 145       while (<$fh>) {
 146         $ordinal{$1} = $2 if /^\s*"(\w+)"\s*(?:=\s*"\w+"\s*)?\@(\d+)\s*$/;
 147         # This allows skipping ordinals which were used in older versions
 148         $sym_ord = $1 if /^\s*;\s*LAST_ORDINAL\s*=\s*(\d+)\s*$/;
 149       }
 150       $sym_ord < $_ and $sym_ord = $_ for values %ordinal; # Take the max
 151     }
 152 }
 153
 154 my %skip;
 155 # All platforms export boot_DynaLoader unconditionally.
 156 my %export = ( boot_DynaLoader => 1 );
 157
 158 sub try_symbols {
 159     foreach my $symbol (@_) {
 160         ++$export{$symbol} unless exists $skip{$symbol};
 161     }
 162 }
 163
 164 sub readvar {
 165     # $hash is the hash that we're adding to. For one of our callers, it will
 166     # actually be the skip hash but that doesn't affect the intent of what
 167     # we're doing, as in that case we skip adding something to the skip hash
 168     # for the second time.
 169
 170     my $file = $ARGS{TARG_DIR} . shift;
 171     my $hash = shift;
 172     my $proc = shift;
 173     open my $vars, '<', $file or die die "Cannot open $file: $!\n";
 174
 175     while (<$vars>) {
 176         # All symbols have a Perl_ prefix because that's what embed.h sticks
 177         # in front of them.  The A?I?S?C? is strictly speaking wrong.
 178         next unless /\bPERLVAR(A?I?S?C?)\(([IGT]),\s*(\w+)/;
 179
 180         my $var = "PL_$3";
 181         my $symbol = $proc ? &$proc($1,$2,$3) : $var;
 182         ++$hash->{$symbol} unless exists $skip{$var};
 183     }
 184 }
 185
 186 if ($ARGS{PLATFORM} ne 'os2') {
 187     ++$skip{$_} foreach qw(
 188                      PL_cryptseen
 189                      PL_opsave
 190                      Perl_GetVars
 191                      Perl_dump_fds
 192                      Perl_my_bcopy
 193                      Perl_my_bzero
 194                      Perl_my_chsize
 195                      Perl_my_htonl
 196                      Perl_my_memcmp
 197                      Perl_my_memset
 198                      Perl_my_ntohl
 199                      Perl_my_swap
 200                          );
 201     if ($ARGS{PLATFORM} eq 'vms') {
 202         ++$skip{PL_statusvalue_posix};
 203         # This is a wrapper if we have symlink, not a replacement
 204         # if we don't.
 205         ++$skip{Perl_my_symlink} unless $Config{d_symlink};
 206     } else {
 207         ++$skip{PL_statusvalue_vms};
 208         if ($ARGS{PLATFORM} ne 'aix') {
 209             ++$skip{$_} foreach qw(
 210                                 PL_DBcv
 211                                 PL_generation
 212                                 PL_lastgotoprobe
 213                                 PL_modcount
 214                                 PL_timesbuf
 215                                 main
 216                                  );
 217         }
 218     }
 219 }
 220
 221 if ($ARGS{PLATFORM} ne 'vms') {
 222     # VMS does its own thing for these symbols.
 223     ++$skip{$_} foreach qw(
 224                         PL_sig_handlers_initted
 225                         PL_sig_ignoring
 226                         PL_sig_defaulting
 227                          );
 228     if ($ARGS{PLATFORM} ne 'win32') {
 229         ++$skip{$_} foreach qw(
 230                             Perl_do_spawn
 231                             Perl_do_spawn_nowait
 232                             Perl_do_aspawn
 233                              );
 234     }
 235 }
 236
 237 unless ($define{UNLINK_ALL_VERSIONS}) {
 238     ++$skip{Perl_unlnk};
 239 }
 240
 241 unless ($define{'DEBUGGING'}) {
 242     ++$skip{$_} foreach qw(
 243                     Perl_debop
 244                     Perl_debprofdump
 245                     Perl_debstack
 246                     Perl_debstackptrs
 247                     Perl_pad_sv
 248                     Perl_pad_setsv
 249                     Perl_hv_assert
 250                     PL_block_type
 251                     PL_watchaddr
 252                     PL_watchok
 253                     PL_watch_pvx
 254                          );
 255 }
 256
 257 if ($define{'PERL_IMPLICIT_SYS'}) {
 258     ++$skip{$_} foreach qw(
 259                     Perl_my_popen
 260                     Perl_my_pclose
 261                          );
 262     ++$export{$_} foreach qw(perl_get_host_info perl_alloc_override);
 263     ++$export{perl_clone_host} if $define{USE_ITHREADS};
 264 }
 265 else {
 266     ++$skip{$_} foreach qw(
 267                     PL_Mem
 268                     PL_MemShared
 269                     PL_MemParse
 270                     PL_Env
 271                     PL_StdIO
 272                     PL_LIO
 273                     PL_Dir
 274                     PL_Sock
 275                     PL_Proc
 276                     perl_alloc_using
 277                     perl_clone_using
 278                          );
 279 }
 280
 281 unless ($define{'PERL_OLD_COPY_ON_WRITE'}) {
 282     ++$skip{Perl_sv_setsv_cow};
 283 }
 284
 285 unless ($define{'USE_REENTRANT_API'}) {
 286     ++$skip{PL_reentrant_buffer};
 287 }
 288
 289 if ($define{'MYMALLOC'}) {
 290     try_symbols(qw(
 291                     Perl_dump_mstats
 292                     Perl_get_mstats
 293                     Perl_strdup
 294                     Perl_putenv
 295                     MallocCfg_ptr
 296                     MallocCfgP_ptr
 297                     ));
 298     unless ($define{USE_ITHREADS}) {
 299         ++$skip{PL_malloc_mutex}
 300     }
 301 }
 302 else {
 303     ++$skip{$_} foreach qw(
 304                     PL_malloc_mutex
 305                     Perl_dump_mstats
 306                     Perl_get_mstats
 307                     MallocCfg_ptr
 308                     MallocCfgP_ptr
 309                          );
 310 }
 311
 312 if ($define{'PERL_USE_SAFE_PUTENV'}) {
 313     ++$skip{PL_use_safe_putenv};
 314 }
 315
 316 unless ($define{'USE_ITHREADS'}) {
 317     ++$skip{PL_thr_key};
 318 }
 319
 320 # USE_5005THREADS symbols. Kept as reference for easier removal
 321 ++$skip{$_} foreach qw(
 322                     PL_sv_mutex
 323                     PL_strtab_mutex
 324                     PL_svref_mutex
 325                     PL_cred_mutex
 326                     PL_eval_mutex
 327                     PL_fdpid_mutex
 328                     PL_sv_lock_mutex
 329                     PL_eval_cond
 330                     PL_eval_owner
 331                     PL_threads_mutex
 332                     PL_nthreads
 333                     PL_nthreads_cond
 334                     PL_threadnum
 335                     PL_threadsv_names
 336                     PL_thrsv
 337                     PL_vtbl_mutex
 338                     Perl_condpair_magic
 339                     Perl_new_struct_thread
 340                     Perl_per_thread_magicals
 341                     Perl_thread_create
 342                     Perl_find_threadsv
 343                     Perl_unlock_condpair
 344                     Perl_magic_mutexfree
 345                     Perl_sv_lock
 346                      );
 347
 348 unless ($define{'USE_ITHREADS'}) {
 349     ++$skip{$_} foreach qw(
 350                     PL_op_mutex
 351                     PL_regex_pad
 352                     PL_regex_padav
 353                     PL_dollarzero_mutex
 354                     PL_hints_mutex
 355                     PL_my_ctx_mutex
 356                     PL_perlio_mutex
 357                     Perl_clone_params_del
 358                     Perl_clone_params_new
 359                     Perl_parser_dup
 360                     Perl_dirp_dup
 361                     Perl_cx_dup
 362                     Perl_si_dup
 363                     Perl_any_dup
 364                     Perl_ss_dup
 365                     Perl_fp_dup
 366                     Perl_gp_dup
 367                     Perl_he_dup
 368                     Perl_mg_dup
 369                     Perl_re_dup_guts
 370                     Perl_sv_dup
 371                     Perl_sv_dup_inc
 372                     Perl_rvpv_dup
 373                     Perl_hek_dup
 374                     Perl_sys_intern_dup
 375                     perl_clone
 376                     perl_clone_using
 377                     Perl_stashpv_hvname_match
 378                     Perl_regdupe_internal
 379                     Perl_newPADOP
 380                          );
 381 }
 382
 383 unless ($define{'PERL_IMPLICIT_CONTEXT'}) {
 384     ++$skip{$_} foreach qw(
 385                     PL_my_cxt_index
 386                     PL_my_cxt_list
 387                     PL_my_cxt_size
 388                     PL_my_cxt_keys
 389                     Perl_croak_nocontext
 390                     Perl_die_nocontext
 391                     Perl_deb_nocontext
 392                     Perl_form_nocontext
 393                     Perl_load_module_nocontext
 394                     Perl_mess_nocontext
 395                     Perl_warn_nocontext
 396                     Perl_warner_nocontext
 397                     Perl_newSVpvf_nocontext
 398                     Perl_sv_catpvf_nocontext
 399                     Perl_sv_setpvf_nocontext
 400                     Perl_sv_catpvf_mg_nocontext
 401                     Perl_sv_setpvf_mg_nocontext
 402                     Perl_my_cxt_init
 403                     Perl_my_cxt_index
 404                          );
 405 }
 406
 407 unless ($define{'PL_OP_SLAB_ALLOC'}) {
 408     ++$skip{$_} foreach qw(
 409                      PL_OpPtr
 410                      PL_OpSlab
 411                      PL_OpSpace
 412                      Perl_Slab_Alloc
 413                      Perl_Slab_Free
 414                          );
 415 }
 416
 417 unless ($define{'PERL_DEBUG_READONLY_OPS'}) {
 418     ++$skip{$_} foreach qw(
 419                     PL_slab_count
 420                     PL_slabs
 421                          );
 422 }
 423
 424 unless ($define{'THREADS_HAVE_PIDS'}) {
 425     ++$skip{PL_ppid};
 426 }
 427
 428 unless ($define{'PERL_NEED_APPCTX'}) {
 429     ++$skip{PL_appctx};
 430 }
 431
 432 unless ($define{'PERL_NEED_TIMESBASE'}) {
 433     ++$skip{PL_timesbase};
 434 }
 435
 436 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
 437     ++$skip{PL_sv_serial};
 438 }
 439
 440 unless ($define{'DEBUG_LEAKING_SCALARS_FORK_DUMP'}) {
 441     ++$skip{PL_dumper_fd};
 442 }
 443
 444 unless ($define{'PERL_DONT_CREATE_GVSV'}) {
 445     ++$skip{Perl_gv_SVadd};
 446 }
 447
 448 if ($define{'SPRINTF_RETURNS_STRLEN'}) {
 449     ++$skip{Perl_my_sprintf};
 450 }
 451
 452 unless ($define{'PERL_USES_PL_PIDSTATUS'}) {
 453     ++$skip{PL_pidstatus};
 454 }
 455
 456 unless ($define{'PERL_TRACK_MEMPOOL'}) {
 457     ++$skip{PL_memory_debug_header};
 458 }
 459
 460 unless ($define{PERL_MAD}) {
 461     ++$skip{$_} foreach qw(
 462                     PL_madskills
 463                     PL_xmlfp
 464                          );
 465 }
 466
 467 unless ($define{'MULTIPLICITY'}) {
 468     ++$skip{$_} foreach qw(
 469                     PL_interp_size
 470                     PL_interp_size_5_16_0
 471                          );
 472 }
 473
 474 unless ($define{'PERL_GLOBAL_STRUCT'}) {
 475     ++$skip{PL_global_struct_size};
 476 }
 477
 478 unless ($define{'PERL_GLOBAL_STRUCT_PRIVATE'}) {
 479     ++$skip{$_} foreach qw(
 480                     PL_my_cxt_keys
 481                     Perl_my_cxt_index
 482                          );
 483 }
 484
 485 unless ($define{HAS_MMAP}) {
 486     ++$skip{PL_mmap_page_size};
 487 }
 488
 489 if ($define{HAS_SIGACTION}) {
 490     ++$skip{PL_sig_trapped};
 491
 492     if ($ARGS{PLATFORM} eq 'vms') {
 493         # FAKE_PERSISTENT_SIGNAL_HANDLERS defined as !defined(HAS_SIGACTION)
 494         ++$skip{PL_sig_ignoring};
 495     }
 496 }
 497
 498 unless ($define{USE_LOCALE_COLLATE}) {
 499     ++$skip{$_} foreach qw(
 500                     PL_collation_ix
 501                     PL_collation_name
 502                     PL_collation_standard
 503                     PL_collxfrm_base
 504                     PL_collxfrm_mult
 505                     Perl_sv_collxfrm
 506                     Perl_sv_collxfrm_flags
 507                          );
 508 }
 509
 510 unless ($define{USE_LOCALE_NUMERIC}) {
 511     ++$skip{$_} foreach qw(
 512                     PL_numeric_local
 513                     PL_numeric_name
 514                     PL_numeric_radix_sv
 515                     PL_numeric_standard
 516                          );
 517 }
 518
 519 unless ($define{HAVE_INTERP_INTERN}) {
 520     ++$skip{$_} foreach qw(
 521                     Perl_sys_intern_clear
 522                     Perl_sys_intern_dup
 523                     Perl_sys_intern_init
 524                     PL_sys_intern
 525                          );
 526 }
 527
 528 if ($define{HAS_SIGNBIT}) {
 529     ++$skip{Perl_signbit};
 530 }
 531
 532 if ($define{'PERL_GLOBAL_STRUCT'}) {
 533     readvar('perlvars.h', \%skip);
 534     # This seems like the least ugly way to cope with the fact that PL_sh_path
 535     # is mentioned in perlvar.h and globvar.sym, and always exported.
 536     delete $skip{PL_sh_path};
 537     ++$export{Perl_GetVars};
 538     try_symbols(qw(PL_Vars PL_VarsPtr)) unless $ARGS{CCTYPE} eq 'GCC';
 539 } else {
 540     ++$skip{$_} foreach qw(Perl_init_global_struct Perl_free_global_struct);
 541 }
 542
 543 # functions from *.sym files
 544
 545 my @syms = qw(globvar.sym);
 546
 547 # Symbols that are the public face of the PerlIO layers implementation
 548 # These are in _addition to_ the public face of the abstraction
 549 # and need to be exported to allow XS modules to implement layers
 550 my @layer_syms = qw(
 551                     PerlIOBase_binmode
 552                     PerlIOBase_clearerr
 553                     PerlIOBase_close
 554                     PerlIOBase_dup
 555                     PerlIOBase_eof
 556                     PerlIOBase_error
 557                     PerlIOBase_fileno
 558                     PerlIOBase_noop_fail
 559                     PerlIOBase_noop_ok
 560                     PerlIOBase_popped
 561                     PerlIOBase_pushed
 562                     PerlIOBase_read
 563                     PerlIOBase_setlinebuf
 564                     PerlIOBase_unread
 565                     PerlIOBuf_bufsiz
 566                     PerlIOBuf_close
 567                     PerlIOBuf_dup
 568                     PerlIOBuf_fill
 569                     PerlIOBuf_flush
 570                     PerlIOBuf_get_base
 571                     PerlIOBuf_get_cnt
 572                     PerlIOBuf_get_ptr
 573                     PerlIOBuf_open
 574                     PerlIOBuf_popped
 575                     PerlIOBuf_pushed
 576                     PerlIOBuf_read
 577                     PerlIOBuf_seek
 578                     PerlIOBuf_set_ptrcnt
 579                     PerlIOBuf_tell
 580                     PerlIOBuf_unread
 581                     PerlIOBuf_write
 582                     PerlIO_allocate
 583                     PerlIO_apply_layera
 584                     PerlIO_apply_layers
 585                     PerlIO_arg_fetch
 586                     PerlIO_debug
 587                     PerlIO_define_layer
 588                     PerlIO_find_layer
 589                     PerlIO_isutf8
 590                     PerlIO_layer_fetch
 591                     PerlIO_list_alloc
 592                     PerlIO_list_free
 593                     PerlIO_modestr
 594                     PerlIO_parse_layers
 595                     PerlIO_pending
 596                     PerlIO_perlio
 597                     PerlIO_pop
 598                     PerlIO_push
 599                     PerlIO_sv_dup
 600                     Perl_PerlIO_clearerr
 601                     Perl_PerlIO_close
 602                     Perl_PerlIO_context_layers
 603                     Perl_PerlIO_eof
 604                     Perl_PerlIO_error
 605                     Perl_PerlIO_fileno
 606                     Perl_PerlIO_fill
 607                     Perl_PerlIO_flush
 608                     Perl_PerlIO_get_base
 609                     Perl_PerlIO_get_bufsiz
 610                     Perl_PerlIO_get_cnt
 611                     Perl_PerlIO_get_ptr
 612                     Perl_PerlIO_read
 613                     Perl_PerlIO_seek
 614                     Perl_PerlIO_set_cnt
 615                     Perl_PerlIO_set_ptrcnt
 616                     Perl_PerlIO_setlinebuf
 617                     Perl_PerlIO_stderr
 618                     Perl_PerlIO_stdin
 619                     Perl_PerlIO_stdout
 620                     Perl_PerlIO_tell
 621                     Perl_PerlIO_unread
 622                     Perl_PerlIO_write
 623 );
 624 if ($ARGS{PLATFORM} eq 'netware') {
 625     push(@layer_syms,'PL_def_layerlist','PL_known_layers','PL_perlio');
 626 }
 627
 628 if ($define{'USE_PERLIO'}) {
 629     # Export the symols that make up the PerlIO abstraction, regardless
 630     # of its implementation - read from a file
 631     push @syms, 'perlio.sym';
 632
 633     # This part is then dependent on how the abstraction is implemented
 634     if ($define{'USE_SFIO'}) {
 635         # Old legacy non-stdio "PerlIO"
 636         ++$skip{$_} foreach @layer_syms;
 637         ++$skip{perlsio_binmode};
 638         # SFIO defines most of the PerlIO routines as macros
 639         # So undo most of what $perlio_sym has just done - d'oh !
 640         # Perhaps it would be better to list the ones which do exist
 641         # And emit them
 642         ++$skip{$_} foreach qw(
 643                          PerlIO_canset_cnt
 644                          PerlIO_clearerr
 645                          PerlIO_close
 646                          PerlIO_eof
 647                          PerlIO_error
 648                          PerlIO_exportFILE
 649                          PerlIO_fast_gets
 650                          PerlIO_fdopen
 651                          PerlIO_fileno
 652                          PerlIO_findFILE
 653                          PerlIO_flush
 654                          PerlIO_get_base
 655                          PerlIO_get_bufsiz
 656                          PerlIO_get_cnt
 657                          PerlIO_get_ptr
 658                          PerlIO_getc
 659                          PerlIO_getname
 660                          PerlIO_has_base
 661                          PerlIO_has_cntptr
 662                          PerlIO_importFILE
 663                          PerlIO_open
 664                          PerlIO_printf
 665                          PerlIO_putc
 666                          PerlIO_puts
 667                          PerlIO_read
 668                          PerlIO_releaseFILE
 669                          PerlIO_reopen
 670                          PerlIO_rewind
 671                          PerlIO_seek
 672                          PerlIO_set_cnt
 673                          PerlIO_set_ptrcnt
 674                          PerlIO_setlinebuf
 675                          PerlIO_sprintf
 676                          PerlIO_stderr
 677                          PerlIO_stdin
 678                          PerlIO_stdout
 679                          PerlIO_stdoutf
 680                          PerlIO_tell
 681                          PerlIO_ungetc
 682                          PerlIO_vprintf
 683                          PerlIO_write
 684                          PerlIO_perlio
 685                          Perl_PerlIO_clearerr
 686                          Perl_PerlIO_close
 687                          Perl_PerlIO_eof
 688                          Perl_PerlIO_error
 689                          Perl_PerlIO_fileno
 690                          Perl_PerlIO_fill
 691                          Perl_PerlIO_flush
 692                          Perl_PerlIO_get_base
 693                          Perl_PerlIO_get_bufsiz
 694                          Perl_PerlIO_get_cnt
 695                          Perl_PerlIO_get_ptr
 696                          Perl_PerlIO_read
 697                          Perl_PerlIO_seek
 698                          Perl_PerlIO_set_cnt
 699                          Perl_PerlIO_set_ptrcnt
 700                          Perl_PerlIO_setlinebuf
 701                          Perl_PerlIO_stderr
 702                          Perl_PerlIO_stdin
 703                          Perl_PerlIO_stdout
 704                          Perl_PerlIO_tell
 705                          Perl_PerlIO_unread
 706                          Perl_PerlIO_write
 707                          PL_def_layerlist
 708                          PL_known_layers
 709                          PL_perlio
 710                              );
 711     }
 712     else {
 713         # PerlIO with layers - export implementation
 714         try_symbols(@layer_syms, 'perlsio_binmode');
 715     }
 716 } else {
 717         # -Uuseperlio
 718         # Skip the PerlIO layer symbols - although
 719         # nothing should have exported them anyway.
 720         ++$skip{$_} foreach @layer_syms;
 721         ++$skip{$_} foreach qw(
 722                         perlsio_binmode
 723                         PL_def_layerlist
 724                         PL_known_layers
 725                         PL_perlio
 726                         PL_perlio_debug_fd
 727                         PL_perlio_fd_refcnt
 728                         PL_perlio_fd_refcnt_size
 729                         PL_perlio_mutex
 730                              );
 731
 732         # Also do NOT add abstraction symbols from $perlio_sym
 733         # abstraction is done as #define to stdio
 734         # Remaining remnants that _may_ be functions are handled below.
 735 }
 736
 737 ###############################################################################
 738
 739 # At this point all skip lists should be completed, as we are about to test
 740 # many symbols against them.
 741
 742 {
 743     my %seen;
 744     my ($embed) = setup_embed($ARGS{TARG_DIR});
 745
 746     foreach (@$embed) {
 747         my ($flags, $retval, $func, @args) = @$_;
 748         next unless $func;
 749         if ($flags =~ /[AX]/ && $flags !~ /[xm]/ || $flags =~ /b/) {
 750             # public API, so export
 751
 752             # If a function is defined twice, for example before and after
 753             # an #else, only export its name once. Important to do this test
 754             # within the block, as the *first* definition may have flags which
 755             # mean "don't export"
 756             next if $seen{$func}++;
 757             $func = "Perl_$func" if $flags =~ /[pbX]/;
 758             ++$export{$func} unless exists $skip{$func};
 759         }
 760     }
 761 }
 762
 763 foreach (@syms) {
 764     my $syms = $ARGS{TARG_DIR} . $_;
 765     open my $global, '<', $syms or die "failed to open $syms: $!\n";
 766     # Functions already have a Perl_ prefix
 767     # Variables need a PL_ prefix
 768     my $prefix = $syms =~ /var\.sym$/i ? 'PL_' : '';
 769     while (<$global>) {
 770         next unless /^([A-Za-z].*)/;
 771         my $symbol = "$prefix$1";
 772         ++$export{$symbol} unless exists $skip{$symbol};
 773     }
 774 }
 775
 776 # variables
 777
 778 if ($define{'MULTIPLICITY'} && $define{PERL_GLOBAL_STRUCT}) {
 779     readvar('perlvars.h', \%export, sub { "Perl_" . $_[1] . $_[2] . "_ptr" });
 780     # XXX AIX seems to want the perlvars.h symbols, for some reason
 781     if ($ARGS{PLATFORM} eq 'aix' or $ARGS{PLATFORM} eq 'os2') { # OS/2 needs PL_thr_key
 782         readvar('perlvars.h', \%export);
 783     }
 784 }
 785 else {
 786     unless ($define{'PERL_GLOBAL_STRUCT'}) {
 787         readvar('perlvars.h', \%export);
 788     }
 789     unless ($define{MULTIPLICITY}) {
 790         readvar('intrpvar.h', \%export);
 791     }
 792 }
 793
 794 # Oddities from PerlIO
 795 # All have alternate implementations in perlio.c, so always exist.
 796 # Should they be considered to be part of the API?
 797 try_symbols(qw(
 798                     PerlIO_binmode
 799                     PerlIO_getpos
 800                     PerlIO_init
 801                     PerlIO_setpos
 802                     PerlIO_sprintf
 803                     PerlIO_tmpfile
 804                     PerlIO_vsprintf
 805              ));
 806
 807 if ($ARGS{PLATFORM} eq 'win32') {
 808     try_symbols(qw(
 809                                  setgid
 810                                  setuid
 811                                  win32_free_childdir
 812                                  win32_free_childenv
 813                                  win32_get_childdir
 814                                  win32_get_childenv
 815                                  win32_spawnvp
 816                  ));
 817 }
 818
 819 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
 820     try_symbols(qw(
 821                             Perl_init_os_extras
 822                             Perl_thread_create
 823                             Perl_win32_init
 824                             Perl_win32_term
 825                             RunPerl
 826                             win32_async_check
 827                             win32_errno
 828                             win32_environ
 829                             win32_abort
 830                             win32_fstat
 831                             win32_stat
 832                             win32_pipe
 833                             win32_popen
 834                             win32_pclose
 835                             win32_rename
 836                             win32_setmode
 837                             win32_chsize
 838                             win32_lseek
 839                             win32_tell
 840                             win32_dup
 841                             win32_dup2
 842                             win32_open
 843                             win32_close
 844                             win32_eof
 845                             win32_isatty
 846                             win32_read
 847                             win32_write
 848                             win32_mkdir
 849                             win32_rmdir
 850                             win32_chdir
 851                             win32_flock
 852                             win32_execv
 853                             win32_execvp
 854                             win32_htons
 855                             win32_ntohs
 856                             win32_htonl
 857                             win32_ntohl
 858                             win32_inet_addr
 859                             win32_inet_ntoa
 860                             win32_socket
 861                             win32_bind
 862                             win32_listen
 863                             win32_accept
 864                             win32_connect
 865                             win32_send
 866                             win32_sendto
 867                             win32_recv
 868                             win32_recvfrom
 869                             win32_shutdown
 870                             win32_closesocket
 871                             win32_ioctlsocket
 872                             win32_setsockopt
 873                             win32_getsockopt
 874                             win32_getpeername
 875                             win32_getsockname
 876                             win32_gethostname
 877                             win32_gethostbyname
 878                             win32_gethostbyaddr
 879                             win32_getprotobyname
 880                             win32_getprotobynumber
 881                             win32_getservbyname
 882                             win32_getservbyport
 883                             win32_select
 884                             win32_endhostent
 885                             win32_endnetent
 886                             win32_endprotoent
 887                             win32_endservent
 888                             win32_getnetent
 889                             win32_getnetbyname
 890                             win32_getnetbyaddr
 891                             win32_getprotoent
 892                             win32_getservent
 893                             win32_sethostent
 894                             win32_setnetent
 895                             win32_setprotoent
 896                             win32_setservent
 897                             win32_getenv
 898                             win32_putenv
 899                             win32_perror
 900                             win32_malloc
 901                             win32_calloc
 902                             win32_realloc
 903                             win32_free
 904                             win32_sleep
 905                             win32_times
 906                             win32_access
 907                             win32_alarm
 908                             win32_chmod
 909                             win32_open_osfhandle
 910                             win32_get_osfhandle
 911                             win32_ioctl
 912                             win32_link
 913                             win32_unlink
 914                             win32_utime
 915                             win32_gettimeofday
 916                             win32_uname
 917                             win32_wait
 918                             win32_waitpid
 919                             win32_kill
 920                             win32_str_os_error
 921                             win32_opendir
 922                             win32_readdir
 923                             win32_telldir
 924                             win32_seekdir
 925                             win32_rewinddir
 926                             win32_closedir
 927                             win32_longpath
 928                             win32_ansipath
 929                             win32_os_id
 930                             win32_getpid
 931                             win32_crypt
 932                             win32_dynaload
 933                             win32_clearenv
 934                             win32_stdin
 935                             win32_stdout
 936                             win32_stderr
 937                             win32_ferror
 938                             win32_feof
 939                             win32_strerror
 940                             win32_fprintf
 941                             win32_printf
 942                             win32_vfprintf
 943                             win32_vprintf
 944                             win32_fread
 945                             win32_fwrite
 946                             win32_fopen
 947                             win32_fdopen
 948                             win32_freopen
 949                             win32_fclose
 950                             win32_fputs
 951                             win32_fputc
 952                             win32_ungetc
 953                             win32_getc
 954                             win32_fileno
 955                             win32_clearerr
 956                             win32_fflush
 957                             win32_ftell
 958                             win32_fseek
 959                             win32_fgetpos
 960                             win32_fsetpos
 961                             win32_rewind
 962                             win32_tmpfile
 963                             win32_setbuf
 964                             win32_setvbuf
 965                             win32_flushall
 966                             win32_fcloseall
 967                             win32_fgets
 968                             win32_gets
 969                             win32_fgetc
 970                             win32_putc
 971                             win32_puts
 972                             win32_getchar
 973                             win32_putchar
 974                  ));
 975 }
 976 elsif ($ARGS{PLATFORM} eq 'vms') {
 977     try_symbols(qw(
 978                       Perl_cando
 979                       Perl_cando_by_name
 980                       Perl_closedir
 981                       Perl_csighandler_init
 982                       Perl_do_rmdir
 983                       Perl_fileify_dirspec
 984                       Perl_fileify_dirspec_ts
 985                       Perl_fileify_dirspec_utf8
 986                       Perl_fileify_dirspec_utf8_ts
 987                       Perl_flex_fstat
 988                       Perl_flex_lstat
 989                       Perl_flex_stat
 990                       Perl_kill_file
 991                       Perl_my_chdir
 992                       Perl_my_chmod
 993                       Perl_my_crypt
 994                       Perl_my_endpwent
 995                       Perl_my_fclose
 996                       Perl_my_fdopen
 997                       Perl_my_fgetname
 998                       Perl_my_flush
 999                       Perl_my_fwrite
1000                       Perl_my_gconvert
1001                       Perl_my_getenv
1002                       Perl_my_getenv_len
1003                       Perl_my_getlogin
1004                       Perl_my_getpwnam
1005                       Perl_my_getpwuid
1006                       Perl_my_gmtime
1007                       Perl_my_kill
1008                       Perl_my_localtime
1009                       Perl_my_mkdir
1010                       Perl_my_sigaction
1011                       Perl_my_symlink
1012                       Perl_my_time
1013                       Perl_my_tmpfile
1014                       Perl_my_trnlnm
1015                       Perl_my_utime
1016                       Perl_my_waitpid
1017                       Perl_opendir
1018                       Perl_pathify_dirspec
1019                       Perl_pathify_dirspec_ts
1020                       Perl_pathify_dirspec_utf8
1021                       Perl_pathify_dirspec_utf8_ts
1022                       Perl_readdir
1023                       Perl_readdir_r
1024                       Perl_rename
1025                       Perl_rmscopy
1026                       Perl_rmsexpand
1027                       Perl_rmsexpand_ts
1028                       Perl_rmsexpand_utf8
1029                       Perl_rmsexpand_utf8_ts
1030                       Perl_seekdir
1031                       Perl_sig_to_vmscondition
1032                       Perl_telldir
1033                       Perl_tounixpath
1034                       Perl_tounixpath_ts
1035                       Perl_tounixpath_utf8
1036                       Perl_tounixpath_utf8_ts
1037                       Perl_tounixspec
1038                       Perl_tounixspec_ts
1039                       Perl_tounixspec_utf8
1040                       Perl_tounixspec_utf8_ts
1041                       Perl_tovmspath
1042                       Perl_tovmspath_ts
1043                       Perl_tovmspath_utf8
1044                       Perl_tovmspath_utf8_ts
1045                       Perl_tovmsspec
1046                       Perl_tovmsspec_ts
1047                       Perl_tovmsspec_utf8
1048                       Perl_tovmsspec_utf8_ts
1049                       Perl_trim_unixpath
1050                       Perl_vms_case_tolerant
1051                       Perl_vms_do_aexec
1052                       Perl_vms_do_exec
1053                       Perl_vms_image_init
1054                       Perl_vms_realpath
1055                       Perl_vmssetenv
1056                       Perl_vmssetuserlnm
1057                       Perl_vmstrnenv
1058                       PerlIO_openn
1059                  ));
1060 }
1061 elsif ($ARGS{PLATFORM} eq 'os2') {
1062     try_symbols(qw(
1063                       ctermid
1064                       get_sysinfo
1065                       Perl_OS2_init
1066                       Perl_OS2_init3
1067                       Perl_OS2_term
1068                       OS2_Perl_data
1069                       dlopen
1070                       dlsym
1071                       dlerror
1072                       dlclose
1073                       dup2
1074                       dup
1075                       my_tmpfile
1076                       my_tmpnam
1077                       my_flock
1078                       my_rmdir
1079                       my_mkdir
1080                       my_getpwuid
1081                       my_getpwnam
1082                       my_getpwent
1083                       my_setpwent
1084                       my_endpwent
1085                       fork_with_resources
1086                       croak_with_os2error
1087                       setgrent
1088                       endgrent
1089                       getgrent
1090                       malloc_mutex
1091                       threads_mutex
1092                       nthreads
1093                       nthreads_cond
1094                       os2_cond_wait
1095                       os2_stat
1096                       os2_execname
1097                       async_mssleep
1098                       msCounter
1099                       InfoTable
1100                       pthread_join
1101                       pthread_create
1102                       pthread_detach
1103                       XS_Cwd_change_drive
1104                       XS_Cwd_current_drive
1105                       XS_Cwd_extLibpath
1106                       XS_Cwd_extLibpath_set
1107                       XS_Cwd_sys_abspath
1108                       XS_Cwd_sys_chdir
1109                       XS_Cwd_sys_cwd
1110                       XS_Cwd_sys_is_absolute
1111                       XS_Cwd_sys_is_relative
1112                       XS_Cwd_sys_is_rooted
1113                       XS_DynaLoader_mod2fname
1114                       XS_File__Copy_syscopy
1115                       Perl_Register_MQ
1116                       Perl_Deregister_MQ
1117                       Perl_Serve_Messages
1118                       Perl_Process_Messages
1119                       init_PMWIN_entries
1120                       PMWIN_entries
1121                       Perl_hab_GET
1122                       loadByOrdinal
1123                       pExtFCN
1124                       os2error
1125                       ResetWinError
1126                       CroakWinError
1127                       PL_do_undump
1128                  ));
1129 }
1130 elsif ($ARGS{PLATFORM} eq 'netware') {
1131     try_symbols(qw(
1132                         Perl_init_os_extras
1133                         Perl_thread_create
1134                         Perl_nw5_init
1135                         RunPerl
1136                         AllocStdPerl
1137                         FreeStdPerl
1138                         do_spawn2
1139                         do_aspawn
1140                         nw_uname
1141                         nw_stdin
1142                         nw_stdout
1143                         nw_stderr
1144                         nw_feof
1145                         nw_ferror
1146                         nw_fopen
1147                         nw_fclose
1148                         nw_clearerr
1149                         nw_getc
1150                         nw_fgets
1151                         nw_fputc
1152                         nw_fputs
1153                         nw_fflush
1154                         nw_ungetc
1155                         nw_fileno
1156                         nw_fdopen
1157                         nw_freopen
1158                         nw_fread
1159                         nw_fwrite
1160                         nw_setbuf
1161                         nw_setvbuf
1162                         nw_vfprintf
1163                         nw_ftell
1164                         nw_fseek
1165                         nw_rewind
1166                         nw_tmpfile
1167                         nw_fgetpos
1168                         nw_fsetpos
1169                         nw_dup
1170                         nw_access
1171                         nw_chmod
1172                         nw_chsize
1173                         nw_close
1174                         nw_dup2
1175                         nw_flock
1176                         nw_isatty
1177                         nw_link
1178                         nw_lseek
1179                         nw_stat
1180                         nw_mktemp
1181                         nw_open
1182                         nw_read
1183                         nw_rename
1184                         nw_setmode
1185                         nw_unlink
1186                         nw_utime
1187                         nw_write
1188                         nw_chdir
1189                         nw_rmdir
1190                         nw_closedir
1191                         nw_opendir
1192                         nw_readdir
1193                         nw_rewinddir
1194                         nw_seekdir
1195                         nw_telldir
1196                         nw_htonl
1197                         nw_htons
1198                         nw_ntohl
1199                         nw_ntohs
1200                         nw_accept
1201                         nw_bind
1202                         nw_connect
1203                         nw_endhostent
1204                         nw_endnetent
1205                         nw_endprotoent
1206                         nw_endservent
1207                         nw_gethostbyaddr
1208                         nw_gethostbyname
1209                         nw_gethostent
1210                         nw_gethostname
1211                         nw_getnetbyaddr
1212                         nw_getnetbyname
1213                         nw_getnetent
1214                         nw_getpeername
1215                         nw_getprotobyname
1216                         nw_getprotobynumber
1217                         nw_getprotoent
1218                         nw_getservbyname
1219                         nw_getservbyport
1220                         nw_getservent
1221                         nw_getsockname
1222                         nw_getsockopt
1223                         nw_inet_addr
1224                         nw_listen
1225                         nw_socket
1226                         nw_recv
1227                         nw_recvfrom
1228                         nw_select
1229                         nw_send
1230                         nw_sendto
1231                         nw_sethostent
1232                         nw_setnetent
1233                         nw_setprotoent
1234                         nw_setservent
1235                         nw_setsockopt
1236                         nw_inet_ntoa
1237                         nw_shutdown
1238                         nw_crypt
1239                         nw_execvp
1240                         nw_kill
1241                         nw_Popen
1242                         nw_Pclose
1243                         nw_Pipe
1244                         nw_times
1245                         nw_waitpid
1246                         nw_getpid
1247                         nw_spawnvp
1248                         nw_os_id
1249                         nw_open_osfhandle
1250                         nw_get_osfhandle
1251                         nw_abort
1252                         nw_sleep
1253                         nw_wait
1254                         nw_dynaload
1255                         nw_strerror
1256                         fnFpSetMode
1257                         fnInsertHashListAddrs
1258                         fnGetHashListAddrs
1259                         Perl_deb
1260                         Perl_sv_setsv
1261                         Perl_sv_catsv
1262                         Perl_sv_catpvn
1263                         Perl_sv_2pv
1264                         nw_freeenviron
1265                         Remove_Thread_Ctx
1266                  ));
1267 }
1268
1269 # When added this code was only run for Win32 and WinCE
1270 # Currently only Win32 links static extensions into the shared library.
1271 # The WinCE makefile doesn't appear to support static extensions, so this code
1272 # can't have any effect there.
1273 # The NetWare Makefile doesn't support static extensions (and hardcodes the
1274 # list of dynamic extensions, and the rules to build them)
1275 # For *nix (and presumably OS/2) with a shared libperl, Makefile.SH compiles
1276 # static extensions with -fPIC, but links them to perl, not libperl.so
1277 # The VMS build scripts don't yet implement static extensions at all.
1278
1279 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1280     # records of type boot_module for statically linked modules (except Dynaloader)
1281     my $static_ext = $Config{static_ext} // "";
1282     $static_ext =~ s/\//__/g;
1283     $static_ext =~ s/\bDynaLoader\b//;
1284     try_symbols(map {"boot_$_"} grep {/\S/} split /\s+/, $static_ext);
1285     try_symbols("init_Win32CORE") if $static_ext =~ /\bWin32CORE\b/;
1286 }
1287
1288 if ($ARGS{PLATFORM} eq 'os2') {
1289     my (%mapped, @missing);
1290     open MAP, 'miniperl.map' or die 'Cannot read miniperl.map';
1291     /^\s*[\da-f:]+\s+(\w+)/i and $mapped{$1}++ foreach <MAP>;
1292     close MAP or die 'Cannot close miniperl.map';
1293
1294     @missing = grep { !exists $mapped{$_} }
1295                     keys %export;
1296     @missing = grep { !exists $exportperlmalloc{$_} } @missing;
1297     delete $export{$_} foreach @missing;
1298 }
1299
1300 ###############################################################################
1301
1302 # Now all symbols should be defined because next we are going to output them.
1303
1304 # Start with platform specific headers:
1305
1306 if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1307     my $dll = $define{PERL_DLL} ? $define{PERL_DLL} =~ s/\.dll$//ir
1308         : "perl$Config{api_revision}$Config{api_version}";
1309     print "LIBRARY $dll\n";
1310     # The DESCRIPTION module definition file statement is not supported
1311     # by VC7 onwards.
1312     if ($ARGS{CCTYPE} =~ /^(?:MSVC60|GCC)$/) {
1313         print "DESCRIPTION 'Perl interpreter'\n";
1314     }
1315     print "EXPORTS\n";
1316 }
1317 elsif ($ARGS{PLATFORM} eq 'os2') {
1318     (my $v = $]) =~ s/(\d\.\d\d\d)(\d\d)$/$1_$2/;
1319     $v .= '-thread' if $Config{archname} =~ /-thread/;
1320     (my $dll = $define{PERL_DLL}) =~ s/\.dll$//i;
1321     $v .= "\@$Config{perl_patchlevel}" if $Config{perl_patchlevel};
1322     my $d = "DESCRIPTION '\@#perl5-porters\@perl.org:$v#\@ Perl interpreter, configured as $Config{config_args}'";
1323     $d = substr($d, 0, 249) . "...'" if length $d > 253;
1324     print <<"---EOP---";
1325 LIBRARY '$dll' INITINSTANCE TERMINSTANCE
1326 $d
1327 STACKSIZE 32768
1328 CODE LOADONCALL
1329 DATA LOADONCALL NONSHARED MULTIPLE
1330 EXPORTS
1331 ---EOP---
1332 }
1333 elsif ($ARGS{PLATFORM} eq 'aix') {
1334     my $OSVER = `uname -v`;
1335     chop $OSVER;
1336     my $OSREL = `uname -r`;
1337     chop $OSREL;
1338     if ($OSVER > 4 || ($OSVER == 4 && $OSREL >= 3)) {
1339         print "#! ..\n";
1340     } else {
1341         print "#!\n";
1342     }
1343 }
1344 elsif ($ARGS{PLATFORM} eq 'netware') {
1345         if ($ARGS{FILETYPE} eq 'def') {
1346         print "LIBRARY perl$Config{api_revision}$Config{api_version}\n";
1347         print "DESCRIPTION 'Perl interpreter for NetWare'\n";
1348         print "EXPORTS\n";
1349         }
1350 }
1351
1352 # Then the symbols
1353
1354 my @symbols = $fold ? sort {lc $a cmp lc $b} keys %export : sort keys %export;
1355 foreach my $symbol (@symbols) {
1356     if ($ARGS{PLATFORM} =~ /^win(?:32|ce)$/) {
1357         print "\t$symbol\n";
1358     }
1359     elsif ($ARGS{PLATFORM} eq 'os2') {
1360         printf qq(    %-31s \@%s\n),
1361           qq("$symbol"), $ordinal{$symbol} || ++$sym_ord;
1362         printf qq(    %-31s \@%s\n),
1363           qq("$exportperlmalloc{$symbol}" = "$symbol"),
1364           $ordinal{$exportperlmalloc{$symbol}} || ++$sym_ord
1365           if $exportperlmalloc and exists $exportperlmalloc{$symbol};
1366     }
1367     elsif ($ARGS{PLATFORM} eq 'netware') {
1368         print "\t$symbol,\n";
1369     } else {
1370         print "$symbol\n";
1371     }
1372 }
1373
1374 # Then platform specific footers.
1375
1376 if ($ARGS{PLATFORM} eq 'os2') {
1377     print <<EOP;
1378     dll_perlmain=main
1379     fill_extLibpath
1380     dir_subst
1381     Perl_OS2_handler_install
1382
1383 ; LAST_ORDINAL=$sym_ord
1384 EOP
1385 }
1386
1387 1;