1#line 1 2package Module::AutoInstall; 3 4use strict; 5use Cwd (); 6use ExtUtils::MakeMaker (); 7 8use vars qw{$VERSION}; 9BEGIN { 10 $VERSION = '1.03'; 11} 12 13# special map on pre-defined feature sets 14my %FeatureMap = ( 15 '' => 'Core Features', # XXX: deprecated 16 '-core' => 'Core Features', 17); 18 19# various lexical flags 20my ( @Missing, @Existing, %DisabledTests, $UnderCPAN, $HasCPANPLUS ); 21my ( 22 $Config, $CheckOnly, $SkipInstall, $AcceptDefault, $TestOnly, $AllDeps 23); 24my ( $PostambleActions, $PostambleUsed ); 25 26# See if it's a testing or non-interactive session 27_accept_default( $ENV{AUTOMATED_TESTING} or ! -t STDIN ); 28_init(); 29 30sub _accept_default { 31 $AcceptDefault = shift; 32} 33 34sub missing_modules { 35 return @Missing; 36} 37 38sub do_install { 39 __PACKAGE__->install( 40 [ 41 $Config 42 ? ( UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} ) 43 : () 44 ], 45 @Missing, 46 ); 47} 48 49# initialize various flags, and/or perform install 50sub _init { 51 foreach my $arg ( 52 @ARGV, 53 split( 54 /[\s\t]+/, 55 $ENV{PERL_AUTOINSTALL} || $ENV{PERL_EXTUTILS_AUTOINSTALL} || '' 56 ) 57 ) 58 { 59 if ( $arg =~ /^--config=(.*)$/ ) { 60 $Config = [ split( ',', $1 ) ]; 61 } 62 elsif ( $arg =~ /^--installdeps=(.*)$/ ) { 63 __PACKAGE__->install( $Config, @Missing = split( /,/, $1 ) ); 64 exit 0; 65 } 66 elsif ( $arg =~ /^--default(?:deps)?$/ ) { 67 $AcceptDefault = 1; 68 } 69 elsif ( $arg =~ /^--check(?:deps)?$/ ) { 70 $CheckOnly = 1; 71 } 72 elsif ( $arg =~ /^--skip(?:deps)?$/ ) { 73 $SkipInstall = 1; 74 } 75 elsif ( $arg =~ /^--test(?:only)?$/ ) { 76 $TestOnly = 1; 77 } 78 elsif ( $arg =~ /^--all(?:deps)?$/ ) { 79 $AllDeps = 1; 80 } 81 } 82} 83 84# overrides MakeMaker's prompt() to automatically accept the default choice 85sub _prompt { 86 goto &ExtUtils::MakeMaker::prompt unless $AcceptDefault; 87 88 my ( $prompt, $default ) = @_; 89 my $y = ( $default =~ /^[Yy]/ ); 90 91 print $prompt, ' [', ( $y ? 'Y' : 'y' ), '/', ( $y ? 'n' : 'N' ), '] '; 92 print "$default\n"; 93 return $default; 94} 95 96# the workhorse 97sub import { 98 my $class = shift; 99 my @args = @_ or return; 100 my $core_all; 101 102 print "*** $class version " . $class->VERSION . "\n"; 103 print "*** Checking for Perl dependencies...\n"; 104 105 my $cwd = Cwd::cwd(); 106 107 $Config = []; 108 109 my $maxlen = length( 110 ( 111 sort { length($b) <=> length($a) } 112 grep { /^[^\-]/ } 113 map { 114 ref($_) 115 ? ( ( ref($_) eq 'HASH' ) ? keys(%$_) : @{$_} ) 116 : '' 117 } 118 map { +{@args}->{$_} } 119 grep { /^[^\-]/ or /^-core$/i } keys %{ +{@args} } 120 )[0] 121 ); 122 123 # We want to know if we're under CPAN early to avoid prompting, but 124 # if we aren't going to try and install anything anyway then skip the 125 # check entirely since we don't want to have to load (and configure) 126 # an old CPAN just for a cosmetic message 127 128 $UnderCPAN = _check_lock(1) unless $SkipInstall; 129 130 while ( my ( $feature, $modules ) = splice( @args, 0, 2 ) ) { 131 my ( @required, @tests, @skiptests ); 132 my $default = 1; 133 my $conflict = 0; 134 135 if ( $feature =~ m/^-(\w+)$/ ) { 136 my $option = lc($1); 137 138 # check for a newer version of myself 139 _update_to( $modules, @_ ) and return if $option eq 'version'; 140 141 # sets CPAN configuration options 142 $Config = $modules if $option eq 'config'; 143 144 # promote every features to core status 145 $core_all = ( $modules =~ /^all$/i ) and next 146 if $option eq 'core'; 147 148 next unless $option eq 'core'; 149 } 150 151 print "[" . ( $FeatureMap{ lc($feature) } || $feature ) . "]\n"; 152 153 $modules = [ %{$modules} ] if UNIVERSAL::isa( $modules, 'HASH' ); 154 $modules = [ @{$modules} ]; # Copy to keep original 155 156 unshift @$modules, -default => &{ shift(@$modules) } 157 if ( ref( $modules->[0] ) eq 'CODE' ); # XXX: bugward combatability 158 159 while ( my ( $mod, $arg ) = splice( @$modules, 0, 2 ) ) { 160 if ( $mod =~ m/^-(\w+)$/ ) { 161 my $option = lc($1); 162 163 $default = $arg if ( $option eq 'default' ); 164 $conflict = $arg if ( $option eq 'conflict' ); 165 @tests = @{$arg} if ( $option eq 'tests' ); 166 @skiptests = @{$arg} if ( $option eq 'skiptests' ); 167 168 next; 169 } 170 171 printf( "- %-${maxlen}s ...", $mod ); 172 173 if ( $arg and $arg =~ /^\D/ ) { 174 unshift @$modules, $arg; 175 $arg = 0; 176 } 177 178 # XXX: check for conflicts and uninstalls(!) them. 179 my $cur = _load($mod); 180 if (_version_cmp ($cur, $arg) >= 0) 181 { 182 print "loaded. ($cur" . ( $arg ? " >= $arg" : '' ) . ")\n"; 183 push @Existing, $mod => $arg; 184 $DisabledTests{$_} = 1 for map { glob($_) } @skiptests; 185 } 186 else { 187 if (not defined $cur) # indeed missing 188 { 189 print "missing." . ( $arg ? " (would need $arg)" : '' ) . "\n"; 190 } 191 else 192 { 193 # no need to check $arg as _version_cmp ($cur, undef) would satisfy >= above 194 print "too old. ($cur < $arg)\n"; 195 } 196 197 push @required, $mod => $arg; 198 } 199 } 200 201 next unless @required; 202 203 my $mandatory = ( $feature eq '-core' or $core_all ); 204 205 if ( 206 !$SkipInstall 207 and ( 208 $CheckOnly 209 or ($mandatory and $UnderCPAN) 210 or $AllDeps 211 or _prompt( 212 qq{==> Auto-install the } 213 . ( @required / 2 ) 214 . ( $mandatory ? ' mandatory' : ' optional' ) 215 . qq{ module(s) from CPAN?}, 216 $default ? 'y' : 'n', 217 ) =~ /^[Yy]/ 218 ) 219 ) 220 { 221 push( @Missing, @required ); 222 $DisabledTests{$_} = 1 for map { glob($_) } @skiptests; 223 } 224 225 elsif ( !$SkipInstall 226 and $default 227 and $mandatory 228 and 229 _prompt( qq{==> The module(s) are mandatory! Really skip?}, 'n', ) 230 =~ /^[Nn]/ ) 231 { 232 push( @Missing, @required ); 233 $DisabledTests{$_} = 1 for map { glob($_) } @skiptests; 234 } 235 236 else { 237 $DisabledTests{$_} = 1 for map { glob($_) } @tests; 238 } 239 } 240 241 if ( @Missing and not( $CheckOnly or $UnderCPAN ) ) { 242 require Config; 243 print 244"*** Dependencies will be installed the next time you type '$Config::Config{make}'.\n"; 245 246 # make an educated guess of whether we'll need root permission. 247 print " (You may need to do that as the 'root' user.)\n" 248 if eval '$>'; 249 } 250 print "*** $class configuration finished.\n"; 251 252 chdir $cwd; 253 254 # import to main:: 255 no strict 'refs'; 256 *{'main::WriteMakefile'} = \&Write if caller(0) eq 'main'; 257} 258 259sub _running_under { 260 my $thing = shift; 261 print <<"END_MESSAGE"; 262*** Since we're running under ${thing}, I'll just let it take care 263 of the dependency's installation later. 264END_MESSAGE 265 return 1; 266} 267 268# Check to see if we are currently running under CPAN.pm and/or CPANPLUS; 269# if we are, then we simply let it taking care of our dependencies 270sub _check_lock { 271 return unless @Missing or @_; 272 273 my $cpan_env = $ENV{PERL5_CPAN_IS_RUNNING}; 274 275 if ($ENV{PERL5_CPANPLUS_IS_RUNNING}) { 276 return _running_under($cpan_env ? 'CPAN' : 'CPANPLUS'); 277 } 278 279 require CPAN; 280 281 if ($CPAN::VERSION > '1.89') { 282 if ($cpan_env) { 283 return _running_under('CPAN'); 284 } 285 return; # CPAN.pm new enough, don't need to check further 286 } 287 288 # last ditch attempt, this -will- configure CPAN, very sorry 289 290 _load_cpan(1); # force initialize even though it's already loaded 291 292 # Find the CPAN lock-file 293 my $lock = MM->catfile( $CPAN::Config->{cpan_home}, ".lock" ); 294 return unless -f $lock; 295 296 # Check the lock 297 local *LOCK; 298 return unless open(LOCK, $lock); 299 300 if ( 301 ( $^O eq 'MSWin32' ? _under_cpan() : <LOCK> == getppid() ) 302 and ( $CPAN::Config->{prerequisites_policy} || '' ) ne 'ignore' 303 ) { 304 print <<'END_MESSAGE'; 305 306*** Since we're running under CPAN, I'll just let it take care 307 of the dependency's installation later. 308END_MESSAGE 309 return 1; 310 } 311 312 close LOCK; 313 return; 314} 315 316sub install { 317 my $class = shift; 318 319 my $i; # used below to strip leading '-' from config keys 320 my @config = ( map { s/^-// if ++$i; $_ } @{ +shift } ); 321 322 my ( @modules, @installed ); 323 while ( my ( $pkg, $ver ) = splice( @_, 0, 2 ) ) { 324 325 # grep out those already installed 326 if ( _version_cmp( _load($pkg), $ver ) >= 0 ) { 327 push @installed, $pkg; 328 } 329 else { 330 push @modules, $pkg, $ver; 331 } 332 } 333 334 return @installed unless @modules; # nothing to do 335 return @installed if _check_lock(); # defer to the CPAN shell 336 337 print "*** Installing dependencies...\n"; 338 339 return unless _connected_to('cpan.org'); 340 341 my %args = @config; 342 my %failed; 343 local *FAILED; 344 if ( $args{do_once} and open( FAILED, '.#autoinstall.failed' ) ) { 345 while (<FAILED>) { chomp; $failed{$_}++ } 346 close FAILED; 347 348 my @newmod; 349 while ( my ( $k, $v ) = splice( @modules, 0, 2 ) ) { 350 push @newmod, ( $k => $v ) unless $failed{$k}; 351 } 352 @modules = @newmod; 353 } 354 355 if ( _has_cpanplus() and not $ENV{PERL_AUTOINSTALL_PREFER_CPAN} ) { 356 _install_cpanplus( \@modules, \@config ); 357 } else { 358 _install_cpan( \@modules, \@config ); 359 } 360 361 print "*** $class installation finished.\n"; 362 363 # see if we have successfully installed them 364 while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) { 365 if ( _version_cmp( _load($pkg), $ver ) >= 0 ) { 366 push @installed, $pkg; 367 } 368 elsif ( $args{do_once} and open( FAILED, '>> .#autoinstall.failed' ) ) { 369 print FAILED "$pkg\n"; 370 } 371 } 372 373 close FAILED if $args{do_once}; 374 375 return @installed; 376} 377 378sub _install_cpanplus { 379 my @modules = @{ +shift }; 380 my @config = _cpanplus_config( @{ +shift } ); 381 my $installed = 0; 382 383 require CPANPLUS::Backend; 384 my $cp = CPANPLUS::Backend->new; 385 my $conf = $cp->configure_object; 386 387 return unless $conf->can('conf') # 0.05x+ with "sudo" support 388 or _can_write($conf->_get_build('base')); # 0.04x 389 390 # if we're root, set UNINST=1 to avoid trouble unless user asked for it. 391 my $makeflags = $conf->get_conf('makeflags') || ''; 392 if ( UNIVERSAL::isa( $makeflags, 'HASH' ) ) { 393 # 0.03+ uses a hashref here 394 $makeflags->{UNINST} = 1 unless exists $makeflags->{UNINST}; 395 396 } else { 397 # 0.02 and below uses a scalar 398 $makeflags = join( ' ', split( ' ', $makeflags ), 'UNINST=1' ) 399 if ( $makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' } ); 400 401 } 402 $conf->set_conf( makeflags => $makeflags ); 403 $conf->set_conf( prereqs => 1 ); 404 405 406 407 while ( my ( $key, $val ) = splice( @config, 0, 2 ) ) { 408 $conf->set_conf( $key, $val ); 409 } 410 411 my $modtree = $cp->module_tree; 412 while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) { 413 print "*** Installing $pkg...\n"; 414 415 MY::preinstall( $pkg, $ver ) or next if defined &MY::preinstall; 416 417 my $success; 418 my $obj = $modtree->{$pkg}; 419 420 if ( $obj and _version_cmp( $obj->{version}, $ver ) >= 0 ) { 421 my $pathname = $pkg; 422 $pathname =~ s/::/\\W/; 423 424 foreach my $inc ( grep { m/$pathname.pm/i } keys(%INC) ) { 425 delete $INC{$inc}; 426 } 427 428 my $rv = $cp->install( modules => [ $obj->{module} ] ); 429 430 if ( $rv and ( $rv->{ $obj->{module} } or $rv->{ok} ) ) { 431 print "*** $pkg successfully installed.\n"; 432 $success = 1; 433 } else { 434 print "*** $pkg installation cancelled.\n"; 435 $success = 0; 436 } 437 438 $installed += $success; 439 } else { 440 print << "."; 441*** Could not find a version $ver or above for $pkg; skipping. 442. 443 } 444 445 MY::postinstall( $pkg, $ver, $success ) if defined &MY::postinstall; 446 } 447 448 return $installed; 449} 450 451sub _cpanplus_config { 452 my @config = (); 453 while ( @_ ) { 454 my ($key, $value) = (shift(), shift()); 455 if ( $key eq 'prerequisites_policy' ) { 456 if ( $value eq 'follow' ) { 457 $value = CPANPLUS::Internals::Constants::PREREQ_INSTALL(); 458 } elsif ( $value eq 'ask' ) { 459 $value = CPANPLUS::Internals::Constants::PREREQ_ASK(); 460 } elsif ( $value eq 'ignore' ) { 461 $value = CPANPLUS::Internals::Constants::PREREQ_IGNORE(); 462 } else { 463 die "*** Cannot convert option $key = '$value' to CPANPLUS version.\n"; 464 } 465 } else { 466 die "*** Cannot convert option $key to CPANPLUS version.\n"; 467 } 468 } 469 return @config; 470} 471 472sub _install_cpan { 473 my @modules = @{ +shift }; 474 my @config = @{ +shift }; 475 my $installed = 0; 476 my %args; 477 478 _load_cpan(); 479 require Config; 480 481 if (CPAN->VERSION < 1.80) { 482 # no "sudo" support, probe for writableness 483 return unless _can_write( MM->catfile( $CPAN::Config->{cpan_home}, 'sources' ) ) 484 and _can_write( $Config::Config{sitelib} ); 485 } 486 487 # if we're root, set UNINST=1 to avoid trouble unless user asked for it. 488 my $makeflags = $CPAN::Config->{make_install_arg} || ''; 489 $CPAN::Config->{make_install_arg} = 490 join( ' ', split( ' ', $makeflags ), 'UNINST=1' ) 491 if ( $makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' } ); 492 493 # don't show start-up info 494 $CPAN::Config->{inhibit_startup_message} = 1; 495 496 # set additional options 497 while ( my ( $opt, $arg ) = splice( @config, 0, 2 ) ) { 498 ( $args{$opt} = $arg, next ) 499 if $opt =~ /^force$/; # pseudo-option 500 $CPAN::Config->{$opt} = $arg; 501 } 502 503 local $CPAN::Config->{prerequisites_policy} = 'follow'; 504 505 while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) { 506 MY::preinstall( $pkg, $ver ) or next if defined &MY::preinstall; 507 508 print "*** Installing $pkg...\n"; 509 510 my $obj = CPAN::Shell->expand( Module => $pkg ); 511 my $success = 0; 512 513 if ( $obj and _version_cmp( $obj->cpan_version, $ver ) >= 0 ) { 514 my $pathname = $pkg; 515 $pathname =~ s/::/\\W/; 516 517 foreach my $inc ( grep { m/$pathname.pm/i } keys(%INC) ) { 518 delete $INC{$inc}; 519 } 520 521 my $rv = $args{force} ? CPAN::Shell->force( install => $pkg ) 522 : CPAN::Shell->install($pkg); 523 $rv ||= eval { 524 $CPAN::META->instance( 'CPAN::Distribution', $obj->cpan_file, ) 525 ->{install} 526 if $CPAN::META; 527 }; 528 529 if ( $rv eq 'YES' ) { 530 print "*** $pkg successfully installed.\n"; 531 $success = 1; 532 } 533 else { 534 print "*** $pkg installation failed.\n"; 535 $success = 0; 536 } 537 538 $installed += $success; 539 } 540 else { 541 print << "."; 542*** Could not find a version $ver or above for $pkg; skipping. 543. 544 } 545 546 MY::postinstall( $pkg, $ver, $success ) if defined &MY::postinstall; 547 } 548 549 return $installed; 550} 551 552sub _has_cpanplus { 553 return ( 554 $HasCPANPLUS = ( 555 $INC{'CPANPLUS/Config.pm'} 556 or _load('CPANPLUS::Shell::Default') 557 ) 558 ); 559} 560 561# make guesses on whether we're under the CPAN installation directory 562sub _under_cpan { 563 require Cwd; 564 require File::Spec; 565 566 my $cwd = File::Spec->canonpath( Cwd::cwd() ); 567 my $cpan = File::Spec->canonpath( $CPAN::Config->{cpan_home} ); 568 569 return ( index( $cwd, $cpan ) > -1 ); 570} 571 572sub _update_to { 573 my $class = __PACKAGE__; 574 my $ver = shift; 575 576 return 577 if _version_cmp( _load($class), $ver ) >= 0; # no need to upgrade 578 579 if ( 580 _prompt( "==> A newer version of $class ($ver) is required. Install?", 581 'y' ) =~ /^[Nn]/ 582 ) 583 { 584 die "*** Please install $class $ver manually.\n"; 585 } 586 587 print << "."; 588*** Trying to fetch it from CPAN... 589. 590 591 # install ourselves 592 _load($class) and return $class->import(@_) 593 if $class->install( [], $class, $ver ); 594 595 print << '.'; exit 1; 596 597*** Cannot bootstrap myself. :-( Installation terminated. 598. 599} 600 601# check if we're connected to some host, using inet_aton 602sub _connected_to { 603 my $site = shift; 604 605 return ( 606 ( _load('Socket') and Socket::inet_aton($site) ) or _prompt( 607 qq( 608*** Your host cannot resolve the domain name '$site', which 609 probably means the Internet connections are unavailable. 610==> Should we try to install the required module(s) anyway?), 'n' 611 ) =~ /^[Yy]/ 612 ); 613} 614 615# check if a directory is writable; may create it on demand 616sub _can_write { 617 my $path = shift; 618 mkdir( $path, 0755 ) unless -e $path; 619 620 return 1 if -w $path; 621 622 print << "."; 623*** You are not allowed to write to the directory '$path'; 624 the installation may fail due to insufficient permissions. 625. 626 627 if ( 628 eval '$>' and lc(`sudo -V`) =~ /version/ and _prompt( 629 qq( 630==> Should we try to re-execute the autoinstall process with 'sudo'?), 631 ((-t STDIN) ? 'y' : 'n') 632 ) =~ /^[Yy]/ 633 ) 634 { 635 636 # try to bootstrap ourselves from sudo 637 print << "."; 638*** Trying to re-execute the autoinstall process with 'sudo'... 639. 640 my $missing = join( ',', @Missing ); 641 my $config = join( ',', 642 UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} ) 643 if $Config; 644 645 return 646 unless system( 'sudo', $^X, $0, "--config=$config", 647 "--installdeps=$missing" ); 648 649 print << "."; 650*** The 'sudo' command exited with error! Resuming... 651. 652 } 653 654 return _prompt( 655 qq( 656==> Should we try to install the required module(s) anyway?), 'n' 657 ) =~ /^[Yy]/; 658} 659 660# load a module and return the version it reports 661sub _load { 662 my $mod = pop; # class/instance doesn't matter 663 my $file = $mod; 664 665 $file =~ s|::|/|g; 666 $file .= '.pm'; 667 668 local $@; 669 return eval { require $file; $mod->VERSION } || ( $@ ? undef: 0 ); 670} 671 672# Load CPAN.pm and it's configuration 673sub _load_cpan { 674 return if $CPAN::VERSION and $CPAN::Config and not @_; 675 require CPAN; 676 if ( $CPAN::HandleConfig::VERSION ) { 677 # Newer versions of CPAN have a HandleConfig module 678 CPAN::HandleConfig->load; 679 } else { 680 # Older versions had the load method in Config directly 681 CPAN::Config->load; 682 } 683} 684 685# compare two versions, either use Sort::Versions or plain comparison 686# return values same as <=> 687sub _version_cmp { 688 my ( $cur, $min ) = @_; 689 return -1 unless defined $cur; # if 0 keep comparing 690 return 1 unless $min; 691 692 $cur =~ s/\s+$//; 693 694 # check for version numbers that are not in decimal format 695 if ( ref($cur) or ref($min) or $cur =~ /v|\..*\./ or $min =~ /v|\..*\./ ) { 696 if ( ( $version::VERSION or defined( _load('version') )) and 697 version->can('new') 698 ) { 699 700 # use version.pm if it is installed. 701 return version->new($cur) <=> version->new($min); 702 } 703 elsif ( $Sort::Versions::VERSION or defined( _load('Sort::Versions') ) ) 704 { 705 706 # use Sort::Versions as the sorting algorithm for a.b.c versions 707 return Sort::Versions::versioncmp( $cur, $min ); 708 } 709 710 warn "Cannot reliably compare non-decimal formatted versions.\n" 711 . "Please install version.pm or Sort::Versions.\n"; 712 } 713 714 # plain comparison 715 local $^W = 0; # shuts off 'not numeric' bugs 716 return $cur <=> $min; 717} 718 719# nothing; this usage is deprecated. 720sub main::PREREQ_PM { return {}; } 721 722sub _make_args { 723 my %args = @_; 724 725 $args{PREREQ_PM} = { %{ $args{PREREQ_PM} || {} }, @Existing, @Missing } 726 if $UnderCPAN or $TestOnly; 727 728 if ( $args{EXE_FILES} and -e 'MANIFEST' ) { 729 require ExtUtils::Manifest; 730 my $manifest = ExtUtils::Manifest::maniread('MANIFEST'); 731 732 $args{EXE_FILES} = 733 [ grep { exists $manifest->{$_} } @{ $args{EXE_FILES} } ]; 734 } 735 736 $args{test}{TESTS} ||= 't/*.t'; 737 $args{test}{TESTS} = join( ' ', 738 grep { !exists( $DisabledTests{$_} ) } 739 map { glob($_) } split( /\s+/, $args{test}{TESTS} ) ); 740 741 my $missing = join( ',', @Missing ); 742 my $config = 743 join( ',', UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} ) 744 if $Config; 745 746 $PostambleActions = ( 747 ($missing and not $UnderCPAN) 748 ? "\$(PERL) $0 --config=$config --installdeps=$missing" 749 : "\$(NOECHO) \$(NOOP)" 750 ); 751 752 return %args; 753} 754 755# a wrapper to ExtUtils::MakeMaker::WriteMakefile 756sub Write { 757 require Carp; 758 Carp::croak "WriteMakefile: Need even number of args" if @_ % 2; 759 760 if ($CheckOnly) { 761 print << "."; 762*** Makefile not written in check-only mode. 763. 764 return; 765 } 766 767 my %args = _make_args(@_); 768 769 no strict 'refs'; 770 771 $PostambleUsed = 0; 772 local *MY::postamble = \&postamble unless defined &MY::postamble; 773 ExtUtils::MakeMaker::WriteMakefile(%args); 774 775 print << "." unless $PostambleUsed; 776*** WARNING: Makefile written with customized MY::postamble() without 777 including contents from Module::AutoInstall::postamble() -- 778 auto installation features disabled. Please contact the author. 779. 780 781 return 1; 782} 783 784sub postamble { 785 $PostambleUsed = 1; 786 787 return <<"END_MAKE"; 788 789config :: installdeps 790\t\$(NOECHO) \$(NOOP) 791 792checkdeps :: 793\t\$(PERL) $0 --checkdeps 794 795installdeps :: 796\t$PostambleActions 797 798END_MAKE 799 800} 801 8021; 803 804__END__ 805 806#line 1057 807