| 1 | package ExtUtils::MM_Win32; |
| 2 | |
| 3 | use strict; |
| 4 | |
| 5 | |
| 6 | =head1 NAME |
| 7 | |
| 8 | ExtUtils::MM_Win32 - methods to override UN*X behaviour in ExtUtils::MakeMaker |
| 9 | |
| 10 | =head1 SYNOPSIS |
| 11 | |
| 12 | use ExtUtils::MM_Win32; # Done internally by ExtUtils::MakeMaker if needed |
| 13 | |
| 14 | =head1 DESCRIPTION |
| 15 | |
| 16 | See ExtUtils::MM_Unix for a documentation of the methods provided |
| 17 | there. This package overrides the implementation of these methods, not |
| 18 | the semantics. |
| 19 | |
| 20 | =cut |
| 21 | |
| 22 | use ExtUtils::MakeMaker::Config; |
| 23 | use File::Basename; |
| 24 | use File::Spec; |
| 25 | use ExtUtils::MakeMaker qw( neatvalue ); |
| 26 | |
| 27 | use vars qw(@ISA $VERSION $BORLAND $GCC $DMAKE $NMAKE); |
| 28 | |
| 29 | require ExtUtils::MM_Any; |
| 30 | require ExtUtils::MM_Unix; |
| 31 | @ISA = qw( ExtUtils::MM_Any ExtUtils::MM_Unix ); |
| 32 | $VERSION = '1.12'; |
| 33 | |
| 34 | $ENV{EMXSHELL} = 'sh'; # to run `commands` |
| 35 | |
| 36 | $BORLAND = 1 if $Config{'cc'} =~ /^bcc/i; |
| 37 | $GCC = 1 if $Config{'cc'} =~ /^gcc/i; |
| 38 | $DMAKE = 1 if $Config{'make'} =~ /^dmake/i; |
| 39 | $NMAKE = 1 if $Config{'make'} =~ /^nmake/i; |
| 40 | |
| 41 | |
| 42 | =head2 Overridden methods |
| 43 | |
| 44 | =over 4 |
| 45 | |
| 46 | =item B<dlsyms> |
| 47 | |
| 48 | =cut |
| 49 | |
| 50 | sub dlsyms { |
| 51 | my($self,%attribs) = @_; |
| 52 | |
| 53 | my($funcs) = $attribs{DL_FUNCS} || $self->{DL_FUNCS} || {}; |
| 54 | my($vars) = $attribs{DL_VARS} || $self->{DL_VARS} || []; |
| 55 | my($funclist) = $attribs{FUNCLIST} || $self->{FUNCLIST} || []; |
| 56 | my($imports) = $attribs{IMPORTS} || $self->{IMPORTS} || {}; |
| 57 | my(@m); |
| 58 | |
| 59 | if (not $self->{SKIPHASH}{'dynamic'}) { |
| 60 | push(@m," |
| 61 | $self->{BASEEXT}.def: Makefile.PL |
| 62 | ", |
| 63 | q! $(PERLRUN) -MExtUtils::Mksymlists \\ |
| 64 | -e "Mksymlists('NAME'=>\"!, $self->{NAME}, |
| 65 | q!\", 'DLBASE' => '!,$self->{DLBASE}, |
| 66 | # The above two lines quoted differently to work around |
| 67 | # a bug in the 4DOS/4NT command line interpreter. The visible |
| 68 | # result of the bug was files named q('extension_name',) *with the |
| 69 | # single quotes and the comma* in the extension build directories. |
| 70 | q!', 'DL_FUNCS' => !,neatvalue($funcs), |
| 71 | q!, 'FUNCLIST' => !,neatvalue($funclist), |
| 72 | q!, 'IMPORTS' => !,neatvalue($imports), |
| 73 | q!, 'DL_VARS' => !, neatvalue($vars), q!);" |
| 74 | !); |
| 75 | } |
| 76 | join('',@m); |
| 77 | } |
| 78 | |
| 79 | =item replace_manpage_separator |
| 80 | |
| 81 | Changes the path separator with . |
| 82 | |
| 83 | =cut |
| 84 | |
| 85 | sub replace_manpage_separator { |
| 86 | my($self,$man) = @_; |
| 87 | $man =~ s,/+,.,g; |
| 88 | $man; |
| 89 | } |
| 90 | |
| 91 | |
| 92 | =item B<maybe_command> |
| 93 | |
| 94 | Since Windows has nothing as simple as an executable bit, we check the |
| 95 | file extension. |
| 96 | |
| 97 | The PATHEXT env variable will be used to get a list of extensions that |
| 98 | might indicate a command, otherwise .com, .exe, .bat and .cmd will be |
| 99 | used by default. |
| 100 | |
| 101 | =cut |
| 102 | |
| 103 | sub maybe_command { |
| 104 | my($self,$file) = @_; |
| 105 | my @e = exists($ENV{'PATHEXT'}) |
| 106 | ? split(/;/, $ENV{PATHEXT}) |
| 107 | : qw(.com .exe .bat .cmd); |
| 108 | my $e = ''; |
| 109 | for (@e) { $e .= "\Q$_\E|" } |
| 110 | chop $e; |
| 111 | # see if file ends in one of the known extensions |
| 112 | if ($file =~ /($e)$/i) { |
| 113 | return $file if -e $file; |
| 114 | } |
| 115 | else { |
| 116 | for (@e) { |
| 117 | return "$file$_" if -e "$file$_"; |
| 118 | } |
| 119 | } |
| 120 | return; |
| 121 | } |
| 122 | |
| 123 | |
| 124 | =item B<init_DIRFILESEP> |
| 125 | |
| 126 | Using \ for Windows. |
| 127 | |
| 128 | =cut |
| 129 | |
| 130 | sub init_DIRFILESEP { |
| 131 | my($self) = shift; |
| 132 | |
| 133 | # The ^ makes sure its not interpreted as an escape in nmake |
| 134 | $self->{DIRFILESEP} = $NMAKE ? '^\\' : |
| 135 | $DMAKE ? '\\\\' |
| 136 | : '\\'; |
| 137 | } |
| 138 | |
| 139 | =item B<init_others> |
| 140 | |
| 141 | Override some of the Unix specific commands with portable |
| 142 | ExtUtils::Command ones. |
| 143 | |
| 144 | Also provide defaults for LD and AR in case the %Config values aren't |
| 145 | set. |
| 146 | |
| 147 | LDLOADLIBS's default is changed to $Config{libs}. |
| 148 | |
| 149 | Adjustments are made for Borland's quirks needing -L to come first. |
| 150 | |
| 151 | =cut |
| 152 | |
| 153 | sub init_others { |
| 154 | my ($self) = @_; |
| 155 | |
| 156 | # Used in favor of echo because echo won't strip quotes. :( |
| 157 | $self->{ECHO} ||= $self->oneliner('print qq{@ARGV}', ['-l']); |
| 158 | $self->{ECHO_N} ||= $self->oneliner('print qq{@ARGV}'); |
| 159 | |
| 160 | $self->{TOUCH} ||= '$(ABSPERLRUN) -MExtUtils::Command -e touch'; |
| 161 | $self->{CHMOD} ||= '$(ABSPERLRUN) -MExtUtils::Command -e chmod'; |
| 162 | $self->{CP} ||= '$(ABSPERLRUN) -MExtUtils::Command -e cp'; |
| 163 | $self->{RM_F} ||= '$(ABSPERLRUN) -MExtUtils::Command -e rm_f'; |
| 164 | $self->{RM_RF} ||= '$(ABSPERLRUN) -MExtUtils::Command -e rm_rf'; |
| 165 | $self->{MV} ||= '$(ABSPERLRUN) -MExtUtils::Command -e mv'; |
| 166 | $self->{NOOP} ||= 'rem'; |
| 167 | $self->{TEST_F} ||= '$(ABSPERLRUN) -MExtUtils::Command -e test_f'; |
| 168 | $self->{DEV_NULL} ||= '> NUL'; |
| 169 | |
| 170 | $self->{FIXIN} ||= $self->{PERL_CORE} ? |
| 171 | "\$(PERLRUN) $self->{PERL_SRC}/win32/bin/pl2bat.pl" : |
| 172 | 'pl2bat.bat'; |
| 173 | |
| 174 | $self->{LD} ||= $Config{ld} || 'link'; |
| 175 | $self->{AR} ||= $Config{ar} || 'lib'; |
| 176 | |
| 177 | $self->SUPER::init_others; |
| 178 | |
| 179 | # Setting SHELL from $Config{sh} can break dmake. Its ok without it. |
| 180 | delete $self->{SHELL}; |
| 181 | |
| 182 | $self->{LDLOADLIBS} ||= $Config{libs}; |
| 183 | # -Lfoo must come first for Borland, so we put it in LDDLFLAGS |
| 184 | if ($BORLAND) { |
| 185 | my $libs = $self->{LDLOADLIBS}; |
| 186 | my $libpath = ''; |
| 187 | while ($libs =~ s/(?:^|\s)(("?)-L.+?\2)(?:\s|$)/ /) { |
| 188 | $libpath .= ' ' if length $libpath; |
| 189 | $libpath .= $1; |
| 190 | } |
| 191 | $self->{LDLOADLIBS} = $libs; |
| 192 | $self->{LDDLFLAGS} ||= $Config{lddlflags}; |
| 193 | $self->{LDDLFLAGS} .= " $libpath"; |
| 194 | } |
| 195 | |
| 196 | return 1; |
| 197 | } |
| 198 | |
| 199 | |
| 200 | =item init_platform |
| 201 | |
| 202 | Add MM_Win32_VERSION. |
| 203 | |
| 204 | =item platform_constants |
| 205 | |
| 206 | =cut |
| 207 | |
| 208 | sub init_platform { |
| 209 | my($self) = shift; |
| 210 | |
| 211 | $self->{MM_Win32_VERSION} = $VERSION; |
| 212 | } |
| 213 | |
| 214 | sub platform_constants { |
| 215 | my($self) = shift; |
| 216 | my $make_frag = ''; |
| 217 | |
| 218 | foreach my $macro (qw(MM_Win32_VERSION)) |
| 219 | { |
| 220 | next unless defined $self->{$macro}; |
| 221 | $make_frag .= "$macro = $self->{$macro}\n"; |
| 222 | } |
| 223 | |
| 224 | return $make_frag; |
| 225 | } |
| 226 | |
| 227 | |
| 228 | =item special_targets |
| 229 | |
| 230 | Add .USESHELL target for dmake. |
| 231 | |
| 232 | =cut |
| 233 | |
| 234 | sub special_targets { |
| 235 | my($self) = @_; |
| 236 | |
| 237 | my $make_frag = $self->SUPER::special_targets; |
| 238 | |
| 239 | $make_frag .= <<'MAKE_FRAG' if $DMAKE; |
| 240 | .USESHELL : |
| 241 | MAKE_FRAG |
| 242 | |
| 243 | return $make_frag; |
| 244 | } |
| 245 | |
| 246 | |
| 247 | =item static_lib |
| 248 | |
| 249 | Changes how to run the linker. |
| 250 | |
| 251 | The rest is duplicate code from MM_Unix. Should move the linker code |
| 252 | to its own method. |
| 253 | |
| 254 | =cut |
| 255 | |
| 256 | sub static_lib { |
| 257 | my($self) = @_; |
| 258 | return '' unless $self->has_link_code; |
| 259 | |
| 260 | my(@m); |
| 261 | push(@m, <<'END'); |
| 262 | $(INST_STATIC): $(OBJECT) $(MYEXTLIB) $(INST_ARCHAUTODIR)$(DFSEP).exists |
| 263 | $(RM_RF) $@ |
| 264 | END |
| 265 | |
| 266 | # If this extension has its own library (eg SDBM_File) |
| 267 | # then copy that to $(INST_STATIC) and add $(OBJECT) into it. |
| 268 | push @m, <<'MAKE_FRAG' if $self->{MYEXTLIB}; |
| 269 | $(CP) $(MYEXTLIB) $@ |
| 270 | MAKE_FRAG |
| 271 | |
| 272 | push @m, |
| 273 | q{ $(AR) }.($BORLAND ? '$@ $(OBJECT:^"+")' |
| 274 | : ($GCC ? '-ru $@ $(OBJECT)' |
| 275 | : '-out:$@ $(OBJECT)')).q{ |
| 276 | $(CHMOD) $(PERM_RWX) $@ |
| 277 | $(NOECHO) $(ECHO) "$(EXTRALIBS)" > $(INST_ARCHAUTODIR)\extralibs.ld |
| 278 | }; |
| 279 | |
| 280 | # Old mechanism - still available: |
| 281 | push @m, <<'MAKE_FRAG' if $self->{PERL_SRC} && $self->{EXTRALIBS}; |
| 282 | $(NOECHO) $(ECHO) "$(EXTRALIBS)" >> $(PERL_SRC)\ext.libs |
| 283 | MAKE_FRAG |
| 284 | |
| 285 | join('', @m); |
| 286 | } |
| 287 | |
| 288 | |
| 289 | =item dynamic_lib |
| 290 | |
| 291 | Complicated stuff for Win32 that I don't understand. :( |
| 292 | |
| 293 | =cut |
| 294 | |
| 295 | sub dynamic_lib { |
| 296 | my($self, %attribs) = @_; |
| 297 | return '' unless $self->needs_linking(); #might be because of a subdir |
| 298 | |
| 299 | return '' unless $self->has_link_code; |
| 300 | |
| 301 | my($otherldflags) = $attribs{OTHERLDFLAGS} || ($BORLAND ? 'c0d32.obj': ''); |
| 302 | my($inst_dynamic_dep) = $attribs{INST_DYNAMIC_DEP} || ""; |
| 303 | my($ldfrom) = '$(LDFROM)'; |
| 304 | my(@m); |
| 305 | |
| 306 | # one thing for GCC/Mingw32: |
| 307 | # we try to overcome non-relocateable-DLL problems by generating |
| 308 | # a (hopefully unique) image-base from the dll's name |
| 309 | # -- BKS, 10-19-1999 |
| 310 | if ($GCC) { |
| 311 | my $dllname = $self->{BASEEXT} . "." . $self->{DLEXT}; |
| 312 | $dllname =~ /(....)(.{0,4})/; |
| 313 | my $baseaddr = unpack("n", $1 ^ $2); |
| 314 | $otherldflags .= sprintf("-Wl,--image-base,0x%x0000 ", $baseaddr); |
| 315 | } |
| 316 | |
| 317 | push(@m,' |
| 318 | # This section creates the dynamically loadable $(INST_DYNAMIC) |
| 319 | # from $(OBJECT) and possibly $(MYEXTLIB). |
| 320 | OTHERLDFLAGS = '.$otherldflags.' |
| 321 | INST_DYNAMIC_DEP = '.$inst_dynamic_dep.' |
| 322 | |
| 323 | $(INST_DYNAMIC): $(OBJECT) $(MYEXTLIB) $(BOOTSTRAP) $(INST_ARCHAUTODIR)$(DFSEP).exists $(EXPORT_LIST) $(PERL_ARCHIVE) $(INST_DYNAMIC_DEP) |
| 324 | '); |
| 325 | if ($GCC) { |
| 326 | push(@m, |
| 327 | q{ dlltool --def $(EXPORT_LIST) --output-exp dll.exp |
| 328 | $(LD) -o $@ -Wl,--base-file -Wl,dll.base $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) $(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) dll.exp |
| 329 | dlltool --def $(EXPORT_LIST) --base-file dll.base --output-exp dll.exp |
| 330 | $(LD) -o $@ $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) $(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) dll.exp }); |
| 331 | } elsif ($BORLAND) { |
| 332 | push(@m, |
| 333 | q{ $(LD) $(LDDLFLAGS) $(OTHERLDFLAGS) }.$ldfrom.q{,$@,,} |
| 334 | .($DMAKE ? q{$(PERL_ARCHIVE:s,/,\,) $(LDLOADLIBS:s,/,\,) } |
| 335 | .q{$(MYEXTLIB:s,/,\,),$(EXPORT_LIST:s,/,\,)} |
| 336 | : q{$(subst /,\,$(PERL_ARCHIVE)) $(subst /,\,$(LDLOADLIBS)) } |
| 337 | .q{$(subst /,\,$(MYEXTLIB)),$(subst /,\,$(EXPORT_LIST))}) |
| 338 | .q{,$(RESFILES)}); |
| 339 | } else { # VC |
| 340 | push(@m, |
| 341 | q{ $(LD) -out:$@ $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) } |
| 342 | .q{$(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) -def:$(EXPORT_LIST)}); |
| 343 | } |
| 344 | push @m, ' |
| 345 | $(CHMOD) $(PERM_RWX) $@ |
| 346 | '; |
| 347 | |
| 348 | join('',@m); |
| 349 | } |
| 350 | |
| 351 | =item extra_clean_files |
| 352 | |
| 353 | Clean out some extra dll.{base,exp} files which might be generated by |
| 354 | gcc. Otherwise, take out all *.pdb files. |
| 355 | |
| 356 | =cut |
| 357 | |
| 358 | sub extra_clean_files { |
| 359 | my $self = shift; |
| 360 | |
| 361 | return $GCC ? (qw(dll.base dll.exp)) : ('*.pdb'); |
| 362 | } |
| 363 | |
| 364 | =item init_linker |
| 365 | |
| 366 | =cut |
| 367 | |
| 368 | sub init_linker { |
| 369 | my $self = shift; |
| 370 | |
| 371 | $self->{PERL_ARCHIVE} = "\$(PERL_INC)\\$Config{libperl}"; |
| 372 | $self->{PERL_ARCHIVE_AFTER} = ''; |
| 373 | $self->{EXPORT_LIST} = '$(BASEEXT).def'; |
| 374 | } |
| 375 | |
| 376 | |
| 377 | =item perl_script |
| 378 | |
| 379 | Checks for the perl program under several common perl extensions. |
| 380 | |
| 381 | =cut |
| 382 | |
| 383 | sub perl_script { |
| 384 | my($self,$file) = @_; |
| 385 | return $file if -r $file && -f _; |
| 386 | return "$file.pl" if -r "$file.pl" && -f _; |
| 387 | return "$file.plx" if -r "$file.plx" && -f _; |
| 388 | return "$file.bat" if -r "$file.bat" && -f _; |
| 389 | return; |
| 390 | } |
| 391 | |
| 392 | |
| 393 | =item xs_o |
| 394 | |
| 395 | This target is stubbed out. Not sure why. |
| 396 | |
| 397 | =cut |
| 398 | |
| 399 | sub xs_o { |
| 400 | return '' |
| 401 | } |
| 402 | |
| 403 | |
| 404 | =item pasthru |
| 405 | |
| 406 | All we send is -nologo to nmake to prevent it from printing its damned |
| 407 | banner. |
| 408 | |
| 409 | =cut |
| 410 | |
| 411 | sub pasthru { |
| 412 | my($self) = shift; |
| 413 | return "PASTHRU = " . ($NMAKE ? "-nologo" : ""); |
| 414 | } |
| 415 | |
| 416 | |
| 417 | =item oneliner |
| 418 | |
| 419 | These are based on what command.com does on Win98. They may be wrong |
| 420 | for other Windows shells, I don't know. |
| 421 | |
| 422 | =cut |
| 423 | |
| 424 | sub oneliner { |
| 425 | my($self, $cmd, $switches) = @_; |
| 426 | $switches = [] unless defined $switches; |
| 427 | |
| 428 | # Strip leading and trailing newlines |
| 429 | $cmd =~ s{^\n+}{}; |
| 430 | $cmd =~ s{\n+$}{}; |
| 431 | |
| 432 | $cmd = $self->quote_literal($cmd); |
| 433 | $cmd = $self->escape_newlines($cmd); |
| 434 | |
| 435 | $switches = join ' ', @$switches; |
| 436 | |
| 437 | return qq{\$(ABSPERLRUN) $switches -e $cmd}; |
| 438 | } |
| 439 | |
| 440 | |
| 441 | sub quote_literal { |
| 442 | my($self, $text) = @_; |
| 443 | |
| 444 | # I don't know if this is correct, but it seems to work on |
| 445 | # Win98's command.com |
| 446 | $text =~ s{"}{\\"}g; |
| 447 | |
| 448 | # dmake eats '{' inside double quotes and leaves alone { outside double |
| 449 | # quotes; however it transforms {{ into { either inside and outside double |
| 450 | # quotes. It also translates }} into }. The escaping below is not |
| 451 | # 100% correct. |
| 452 | if( $DMAKE ) { |
| 453 | $text =~ s/{/{{/g; |
| 454 | $text =~ s/}}/}}}/g; |
| 455 | } |
| 456 | |
| 457 | return qq{"$text"}; |
| 458 | } |
| 459 | |
| 460 | |
| 461 | sub escape_newlines { |
| 462 | my($self, $text) = @_; |
| 463 | |
| 464 | # Escape newlines |
| 465 | $text =~ s{\n}{\\\n}g; |
| 466 | |
| 467 | return $text; |
| 468 | } |
| 469 | |
| 470 | |
| 471 | =item cd |
| 472 | |
| 473 | dmake can handle Unix style cd'ing but nmake (at least 1.5) cannot. It |
| 474 | wants: |
| 475 | |
| 476 | cd dir |
| 477 | command |
| 478 | another_command |
| 479 | cd .. |
| 480 | |
| 481 | B<NOTE> This cd can only go one level down. So far this sufficient for |
| 482 | what MakeMaker needs. |
| 483 | |
| 484 | =cut |
| 485 | |
| 486 | sub cd { |
| 487 | my($self, $dir, @cmds) = @_; |
| 488 | |
| 489 | return $self->SUPER::cd($dir, @cmds) unless $NMAKE; |
| 490 | |
| 491 | my $cmd = join "\n\t", map "$_", @cmds; |
| 492 | |
| 493 | # No leading tab and no trailing newline makes for easier embedding. |
| 494 | my $make_frag = sprintf <<'MAKE_FRAG', $dir, $cmd; |
| 495 | cd %s |
| 496 | %s |
| 497 | cd .. |
| 498 | MAKE_FRAG |
| 499 | |
| 500 | chomp $make_frag; |
| 501 | |
| 502 | return $make_frag; |
| 503 | } |
| 504 | |
| 505 | |
| 506 | =item max_exec_len |
| 507 | |
| 508 | nmake 1.50 limits command length to 2048 characters. |
| 509 | |
| 510 | =cut |
| 511 | |
| 512 | sub max_exec_len { |
| 513 | my $self = shift; |
| 514 | |
| 515 | return $self->{_MAX_EXEC_LEN} ||= 2 * 1024; |
| 516 | } |
| 517 | |
| 518 | |
| 519 | =item os_flavor |
| 520 | |
| 521 | Windows is Win32. |
| 522 | |
| 523 | =cut |
| 524 | |
| 525 | sub os_flavor { |
| 526 | return('Win32'); |
| 527 | } |
| 528 | |
| 529 | |
| 530 | 1; |
| 531 | __END__ |
| 532 | |
| 533 | =back |
| 534 | |
| 535 | =cut |
| 536 | |
| 537 | |