1#!./miniperl 2use strict; 3use warnings; 4use Config; 5use constant{IS_CROSS => defined $Config::Config{usecrosscompile} ? 1 : 0, 6 IS_WIN32 => $^O eq 'MSWin32', 7 IS_VMS => $^O eq 'VMS', 8 IS_UNIX => $^O ne 'MSWin32' && $^O ne 'VMS', 9}; 10 11my @ext_dirs = qw(cpan dist ext); 12my $ext_dirs_re = '(?:' . join('|', @ext_dirs) . ')'; 13 14# This script acts as a simple interface for building extensions. 15 16# It's actually a cut and shut of the Unix version ext/utils/makeext and the 17# Windows version win32/build_ext.pl hence the two invocation styles. 18 19# On Unix, it primarily used by the perl Makefile one extension at a time: 20# 21# d_dummy $(dynamic_ext): miniperl preplibrary FORCE 22# @$(RUN) ./miniperl make_ext.pl --target=dynamic $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL) 23# 24# On Windows or VMS, 25# If '--static' is specified, static extensions will be built. 26# If '--dynamic' is specified, dynamic extensions will be built. 27# If '--nonxs' is specified, nonxs extensions will be built. 28# If '--dynaloader' is specified, DynaLoader will be built. 29# If '--all' is specified, all extensions will be built. 30# 31# make_ext.pl "MAKE=make [-make_opts]" --dir=directory [--target=target] [--static|--dynamic|--all] +ext2 !ext1 32# 33# E.g. 34# 35# make_ext.pl "MAKE=nmake -nologo" --dir=..\ext 36# 37# make_ext.pl "MAKE=nmake -nologo" --dir=..\ext --target=clean 38# 39# Will skip building extensions which are marked with an '!' char. 40# Mostly because they still not ported to specified platform. 41# 42# If any extensions are listed with a '+' char then only those 43# extensions will be built, but only if they aren't countermanded 44# by an '!ext' and are appropriate to the type of building being done. 45# An extensions follows the format of Foo/Bar, which would be extension Foo::Bar 46 47# To fix dependency ordering, on *nix systems, edit Makefile.SH to create a 48# rule. That isn't sufficient for other systems; you also have to do 49# something in this file. See the code at 50# '# XXX hack for dependency # ordering' 51# below. 52# 53# The basic logic is: 54# 1) if there's a Makefile.PL in git for the module, use it. and call make 55# 2) If not, auto-generate one (normally) 56# 3) unless the auto-generation code figures out that the extension is 57# *really* simple, in which case don't. This will be for pure perl 58# modules, and all that is needed to be done is to copy from the source 59# to the dest directories. 60# 61# It may be deleted in a later release of perl so try to 62# avoid using it for other purposes. 63 64my (%excl, %incl, %opts, @extspec, @pass_through, $verbose); 65 66foreach (@ARGV) { 67 if (/^!(.*)$/) { 68 $excl{$1} = 1; 69 } elsif (/^\+(.*)$/) { 70 $incl{$1} = 1; 71 } elsif (/^--verbose$/ or /^-v$/) { 72 $verbose = 1; 73 } elsif (/^--([\w\-]+)$/) { 74 $opts{$1} = 1; 75 } elsif (/^--([\w\-]+)=(.*)$/) { 76 push @{$opts{$1}}, $2; 77 } elsif (/=/) { 78 push @pass_through, $_; 79 } elsif (length) { 80 push @extspec, $_; 81 } 82} 83 84my $static = $opts{static} || $opts{all}; 85my $dynamic = $opts{dynamic} || $opts{all}; 86my $nonxs = $opts{nonxs} || $opts{all}; 87my $dynaloader = $opts{dynaloader} || $opts{all}; 88 89# The Perl Makefile.SH will expand all extensions to 90# lib/auto/X/X.a (or lib/auto/X/Y/Y.a if nested) 91# A user wishing to run make_ext might use 92# X (or X/Y or X::Y if nested) 93 94# canonise into X/Y form (pname) 95 96foreach (@extspec) { 97 if (s{^lib/auto/}{}) { 98 # Remove lib/auto prefix and /*.* suffix 99 s{/[^/]+\.[^/]+$}{}; 100 } elsif (s{^$ext_dirs_re/}{}) { 101 # Remove ext/ prefix and /pm_to_blib suffix 102 s{/pm_to_blib$}{}; 103 # Targets are given as files on disk, but the extension spec is still 104 # written using /s for each :: 105 tr!-!/!; 106 } elsif (s{::}{\/}g) { 107 # Convert :: to / 108 } else { 109 s/\..*o//; 110 } 111} 112 113my $makecmd = shift @pass_through; # Should be something like MAKE=make 114unshift @pass_through, 'PERL_CORE=1'; 115 116my @dirs = @{$opts{dir} || \@ext_dirs}; 117my $target = $opts{target}[0]; 118$target = 'all' unless defined $target; 119 120# Previously, $make was taken from config.sh. However, the user might 121# instead be running a possibly incompatible make. This might happen if 122# the user types "gmake" instead of a plain "make", for example. The 123# correct current value of MAKE will come through from the main perl 124# makefile as MAKE=/whatever/make in $makecmd. We'll be cautious in 125# case third party users of this script (are there any?) don't have the 126# MAKE=$(MAKE) argument, which was added after 5.004_03. 127unless(defined $makecmd and $makecmd =~ /^MAKE=(.*)$/) { 128 die "$0: WARNING: Please include MAKE=\$(MAKE) in \@ARGV\n"; 129} 130 131# This isn't going to cope with anything fancy, such as spaces inside command 132# names, but neither did what it replaced. Once there is a use case that needs 133# it, please supply patches. Until then, I'm sticking to KISS 134my @make = split ' ', $1 || $Config{make} || $ENV{MAKE}; 135 136 137if ($target eq '') { 138 die "make_ext: no make target specified (eg all or clean)\n"; 139} elsif ($target !~ /^(?:all|clean|distclean|realclean|veryclean)$/) { 140 # we are strict about what make_ext is used for because we emulate these 141 # targets for simple modules: 142 die "$0: unknown make target '$target'\n"; 143} 144 145if (!@extspec and !$static and !$dynamic and !$nonxs and !$dynaloader) { 146 die "$0: no extension specified\n"; 147} 148 149my $perl; 150my %extra_passthrough; 151 152if (IS_WIN32) { 153 require Cwd; 154 require FindExt; 155 my $build = Cwd::getcwd(); 156 $perl = $^X; 157 if ($perl =~ m#^\.\.#) { 158 my $here = $build; 159 $here =~ s{/}{\\}g; 160 $perl = "$here\\$perl"; 161 } 162 (my $topdir = $perl) =~ s/\\[^\\]+$//; 163 # miniperl needs to find perlglob and pl2bat 164 $ENV{PATH} = "$topdir;$topdir\\win32\\bin;$ENV{PATH}"; 165 my $pl2bat = "$topdir\\win32\\bin\\pl2bat"; 166 unless (-f "$pl2bat.bat") { 167 my @args = ($perl, "-I$topdir\\lib", "-I$topdir\\cpan\\ExtUtils-PL2Bat\\lib", ("$pl2bat.pl") x 2); 168 print "@args\n" if $verbose; 169 system(@args) unless IS_CROSS; 170 } 171 172 print "In $build" if $verbose; 173 foreach my $dir (@dirs) { 174 chdir($dir) or die "Cannot cd to $dir: $!\n"; 175 (my $ext = Cwd::getcwd()) =~ s{/}{\\}g; 176 FindExt::scan_ext($ext); 177 FindExt::set_static_extensions(split ' ', $Config{static_ext}); 178 chdir $build 179 or die "Couldn't chdir to '$build': $!"; # restore our start directory 180 } 181 182 my @ext; 183 push @ext, FindExt::static_ext() if $static; 184 push @ext, FindExt::dynamic_ext() if $dynamic; 185 push @ext, FindExt::nonxs_ext() if $nonxs; 186 push @ext, 'DynaLoader' if $dynaloader; 187 188 foreach (sort @ext) { 189 if (%incl and !exists $incl{$_}) { 190 #warn "Skipping extension $_, not in inclusion list\n"; 191 next; 192 } 193 if (exists $excl{$_}) { 194 warn "Skipping extension $_, not ported to current platform"; 195 next; 196 } 197 push @extspec, $_; 198 if($_ ne 'DynaLoader' && FindExt::is_static($_)) { 199 push @{$extra_passthrough{$_}}, 'LINKTYPE=static'; 200 } 201 } 202 203 chdir '..' 204 or die "Couldn't chdir to build directory: $!"; # now in the Perl build 205} 206elsif (IS_VMS) { 207 $perl = $^X; 208 push @extspec, (split ' ', $Config{static_ext}) if $static; 209 push @extspec, (split ' ', $Config{dynamic_ext}) if $dynamic; 210 push @extspec, (split ' ', $Config{nonxs_ext}) if $nonxs; 211 push @extspec, 'DynaLoader' if $dynaloader; 212} 213 214{ # XXX hack for dependency ordering 215 # Cwd needs to be built before Encode recurses into subdirectories. 216 # Pod::Simple needs to be built before Pod::Functions, but after 'if' 217 # lib needs to be built before IO-Compress 218 # This seems to be the simplest way to ensure this ordering: 219 my (@first, @second, @other); 220 foreach (@extspec) { 221 if ($_ eq 'Cwd' || $_ eq 'if' || $_ eq 'lib') { 222 push @first, $_; 223 } 224 elsif ($_ eq 'Pod/Simple') { 225 push @second, $_; 226 } else { 227 push @other, $_; 228 } 229 } 230 @extspec = (@first, @second, @other); 231} 232 233if ($Config{osname} eq 'catamount' and @extspec) { 234 # Snowball's chance of building extensions. 235 die "This is $Config{osname}, not building $extspec[0], sorry.\n"; 236} 237$ENV{PERL_CORE} = 1; 238 239foreach my $spec (@extspec) { 240 my $mname = $spec; 241 $mname =~ s!/!::!g; 242 my $ext_pathname; 243 244 # Try new style ext/Data-Dumper/ first 245 my $copy = $spec; 246 $copy =~ tr!/!-!; 247 248 # List/Util.xs lives in Scalar-List-Utils, Cwd.xs lives in PathTools 249 $copy = 'Scalar-List-Utils' if $copy eq 'List-Util'; 250 $copy = 'PathTools' if $copy eq 'Cwd'; 251 252 foreach my $dir (@ext_dirs) { 253 if (-d "$dir/$copy") { 254 $ext_pathname = "$dir/$copy"; 255 last; 256 } 257 } 258 259 if (!defined $ext_pathname) { 260 if (-d "ext/$spec") { 261 # Old style ext/Data/Dumper/ 262 $ext_pathname = "ext/$spec"; 263 } else { 264 warn "Can't find extension $spec in any of @ext_dirs"; 265 next; 266 } 267 } 268 269 print "\tMaking $mname ($target)\n" if $verbose; 270 271 build_extension($ext_pathname, $perl, $mname, $target, 272 [@pass_through, @{$extra_passthrough{$spec} || []}]); 273} 274 275sub build_extension { 276 my ($ext_dir, $perl, $mname, $target, $pass_through) = @_; 277 278 unless (chdir "$ext_dir") { 279 warn "Cannot cd to $ext_dir: $!"; 280 return; 281 } 282 283 my $up = $ext_dir; 284 $up =~ s![^/]+!..!g; 285 286 $perl ||= "$up/miniperl"; 287 my $return_dir = $up; 288 my $lib_dir = "$up/lib"; 289 290 my ($makefile, $makefile_no_minus_f); 291 if (IS_VMS) { 292 $makefile = 'descrip.mms'; 293 if ($target =~ /clean$/ 294 && !-f $makefile 295 && -f "${makefile}_old") { 296 $makefile = "${makefile}_old"; 297 } 298 } else { 299 $makefile = 'Makefile'; 300 } 301 302 if (-f $makefile) { 303 $makefile_no_minus_f = 0; 304 open my $mfh, '<', $makefile or die "Cannot open $makefile: $!"; 305 while (<$mfh>) { 306 # Plagiarised from CPAN::Distribution 307 last if /MakeMaker post_initialize section/; 308 next unless /^#\s+VERSION_FROM\s+=>\s+(.+)/; 309 my $vmod = eval $1; 310 my $oldv; 311 while (<$mfh>) { 312 next unless /^XS_VERSION = (\S+)/; 313 $oldv = $1; 314 last; 315 } 316 last unless defined $oldv; 317 require ExtUtils::MM_Unix; 318 defined (my $newv = parse_version MM $vmod) or last; 319 if (version->parse($newv) ne $oldv) { 320 close $mfh or die "close $makefile: $!"; 321 _unlink($makefile); 322 { 323 no warnings 'deprecated'; 324 goto NO_MAKEFILE; 325 } 326 } 327 } 328 329 if (IS_CROSS) { 330 # If we're cross-compiling, it's possible that the host's 331 # Makefiles are around. 332 seek($mfh, 0, 0) or die "Cannot seek $makefile: $!"; 333 334 my $cross_makefile; 335 while (<$mfh>) { 336 # XXX This might not be throughout enough. 337 # For example, it's possible to cause a false-positive 338 # if cross compiling on and for the Raspberry Pi, 339 # which is insane but plausible. 340 # False positives are really not troublesome, though; 341 # all they mean is that the module gets rebuilt. 342 if (/^CC = \Q$Config{cc}\E/) { 343 $cross_makefile = 1; 344 last; 345 } 346 } 347 348 if (!$cross_makefile) { 349 print "Deleting non-Cross makefile\n"; 350 close $mfh or die "close $makefile: $!"; 351 _unlink($makefile); 352 } 353 } 354 } else { 355 $makefile_no_minus_f = 1; 356 } 357 358 if ($makefile_no_minus_f || !-f $makefile) { 359 NO_MAKEFILE: 360 if (!-f 'Makefile.PL') { 361 unless (just_pm_to_blib($target, $ext_dir, $mname, $return_dir)) { 362 # No problems returned, so it has faked everything for us. :-) 363 chdir $return_dir || die "Cannot cd to $return_dir: $!"; 364 return; 365 } 366 367 print "\nCreating Makefile.PL in $ext_dir for $mname\n" if $verbose; 368 my ($fromname, $key, $value); 369 370 $key = 'ABSTRACT_FROM'; 371 # We need to cope well with various possible layouts 372 my @dirs = split /::/, $mname; 373 my $leaf = pop @dirs; 374 my $leafname = "$leaf.pm"; 375 my $pathname = join '/', @dirs, $leafname; 376 my @locations = ($leafname, $pathname, "lib/$pathname"); 377 foreach (@locations) { 378 if (-f $_) { 379 $fromname = $_; 380 last; 381 } 382 } 383 384 unless ($fromname) { 385 die "For $mname tried @locations in $ext_dir but can't find source"; 386 } 387 ($value = $fromname) =~ s/\.pm\z/.pod/; 388 $value = $fromname unless -e $value; 389 390 if ($mname eq 'Pod::Checker') { 391 # the abstract in the .pm file is unparseable by MM, 392 # so special-case it. We can't use the package's own 393 # Makefile.PL, as it doesn't handle the executable scripts 394 # right. 395 $key = 'ABSTRACT'; 396 # this is copied from the CPAN Makefile.PL v 1.171 397 $value = 'Pod::Checker verifies POD documentation contents for compliance with the POD format specifications'; 398 } 399 400 open my $fh, '>', 'Makefile.PL' 401 or die "Can't open Makefile.PL for writing: $!"; 402 printf $fh <<'EOM', $0, $mname, $fromname, $key, $value; 403#-*- buffer-read-only: t -*- 404 405# This Makefile.PL was written by %s. 406# It will be deleted automatically by make realclean 407 408use strict; 409use ExtUtils::MakeMaker; 410 411# This is what the .PL extracts to. Not the ultimate file that is installed. 412# (ie Win32 runs pl2bat after this) 413 414# Doing this here avoids all sort of quoting issues that would come from 415# attempting to write out perl source with literals to generate the arrays and 416# hash. 417my @temps = 'Makefile.PL'; 418foreach (glob('scripts/pod*.PL')) { 419 # The various pod*.PL extractors change directory. Doing that with relative 420 # paths in @INC breaks. It seems the lesser of two evils to copy (to avoid) 421 # the chdir doing anything, than to attempt to convert lib paths to 422 # absolute, and potentially run into problems with quoting special 423 # characters in the path to our build dir (such as spaces) 424 require File::Copy; 425 426 my $temp = $_; 427 $temp =~ s!scripts/!!; 428 File::Copy::copy($_, $temp) or die "Can't copy $temp to $_: $!"; 429 push @temps, $temp; 430} 431 432my $script_ext = $^O eq 'VMS' ? '.com' : ''; 433my %%pod_scripts; 434foreach (glob('pod*.PL')) { 435 my $script = $_; 436 s/.PL$/$script_ext/i; 437 $pod_scripts{$script} = $_; 438} 439my @exe_files = values %%pod_scripts; 440 441WriteMakefile( 442 NAME => '%s', 443 VERSION_FROM => '%s', 444 %-13s => '%s', 445 realclean => { FILES => "@temps" }, 446 (%%pod_scripts ? ( 447 PL_FILES => \%%pod_scripts, 448 EXE_FILES => \@exe_files, 449 clean => { FILES => "@exe_files" }, 450 ) : ()), 451); 452 453# ex: set ro: 454EOM 455 close $fh or die "Can't close Makefile.PL: $!"; 456 # As described in commit 23525070d6c0e51f: 457 # Push the atime and mtime of generated Makefile.PLs back 4 458 # seconds. In certain circumstances ( on virtual machines ) the 459 # generated Makefile.PL can produce a Makefile that is older than 460 # the Makefile.PL. Altering the atime and mtime backwards by 4 461 # seconds seems to resolve the issue. 462 eval { 463 my $ftime = (stat('Makefile.PL'))[9] - 4; 464 utime $ftime, $ftime, 'Makefile.PL'; 465 }; 466 } elsif ($mname =~ /\A(?:Carp 467 |ExtUtils::CBuilder 468 |Safe 469 |Search::Dict)\z/x) { 470 # An explicit list of dual-life extensions that have a Makefile.PL 471 # for CPAN, but we have verified can also be built using the fakery. 472 my ($problem) = just_pm_to_blib($target, $ext_dir, $mname, $return_dir); 473 # We really need to sanity test that we can fake it. 474 # Otherwise "skips" will go undetected, and the build slow down for 475 # everyone, defeating the purpose. 476 if (defined $problem) { 477 if (-d "$return_dir/.git") { 478 # Get the list of files that git isn't ignoring: 479 my @files = `git ls-files --cached --others --exclude-standard 2>/dev/null`; 480 # on error (eg no git) we get nothing, but that's not a 481 # problem. The goal is to see if git thinks that the problem 482 # file is interesting, by getting a positive match with 483 # something git told us about, and if so bail out: 484 foreach (@files) { 485 chomp; 486 # We really need to sanity test that we can fake it. 487 # The intent is that this should only fail because 488 # you've just added a file to the dual-life dist that 489 # we can't handle. In which case you should either 490 # 1) remove the dist from the regex a few lines above. 491 # or 492 # 2) add the file to regex of "safe" filenames earlier 493 # in this function, that starts with ChangeLog 494 die "FATAL - $0 has $mname in the list of simple extensions, but it now contains file '$problem' which we can't handle" 495 if $problem eq $_; 496 } 497 # There's an unexpected file, but it seems to be something 498 # that git will ignore. So fall through to the regular 499 # Makefile.PL handling code below, on the assumption that 500 # we won't get here for a clean build. 501 } 502 warn "WARNING - $0 is building $mname using EU::MM, as it found file '$problem'"; 503 } else { 504 # It faked everything for us. 505 chdir $return_dir || die "Cannot cd to $return_dir: $!"; 506 return; 507 } 508 } 509 510 # We are going to have to use Makefile.PL: 511 print "\nRunning Makefile.PL in $ext_dir\n" if $verbose; 512 513 my @args = ("-I$lib_dir", 'Makefile.PL'); 514 if (IS_VMS) { 515 my $libd = VMS::Filespec::vmspath($lib_dir); 516 push @args, "INST_LIB=$libd", "INST_ARCHLIB=$libd"; 517 } else { 518 push @args, 'INSTALLDIRS=perl', 'INSTALLMAN1DIR=none', 519 'INSTALLMAN3DIR=none'; 520 } 521 push @args, @$pass_through; 522 push @args, 'PERL=' . $perl if $perl; # use miniperl to run the Makefile later 523 _quote_args(\@args) if IS_VMS; 524 print join(' ', $perl, @args), "\n" if $verbose; 525 my $code = do { 526 local $ENV{PERL_MM_USE_DEFAULT} = 1; 527 system $perl, @args; 528 }; 529 if($code != 0){ 530 #make sure next build attempt/run of make_ext.pl doesn't succeed 531 _unlink($makefile); 532 die "Unsuccessful Makefile.PL($ext_dir): code=$code"; 533 } 534 535 # Right. The reason for this little hack is that we're sitting inside 536 # a program run by ./miniperl, but there are tasks we need to perform 537 # when the 'realclean', 'distclean' or 'veryclean' targets are run. 538 # Unfortunately, they can be run *after* 'clean', which deletes 539 # ./miniperl 540 # So we do our best to leave a set of instructions identical to what 541 # we would do if we are run directly as 'realclean' etc 542 # Whilst we're perfect, unfortunately the targets we call are not, as 543 # some of them rely on a $(PERL) for their own distclean targets. 544 # But this always used to be a problem with the old /bin/sh version of 545 # this. 546 if (IS_UNIX) { 547 foreach my $clean_target ('realclean', 'veryclean') { 548 fallback_cleanup($return_dir, $clean_target, <<"EOS"); 549cd $ext_dir 550if test ! -f Makefile -a -f Makefile.old; then 551 echo "Note: Using Makefile.old" 552 make -f Makefile.old $clean_target MAKE='@make' @pass_through 553else 554 if test ! -f Makefile ; then 555 echo "Warning: No Makefile!" 556 fi 557 @make $clean_target MAKE='@make' @pass_through 558fi 559cd $return_dir 560EOS 561 } 562 } 563 } 564 565 if (not -f $makefile) { 566 print "Warning: No Makefile!\n"; 567 } 568 569 if (IS_VMS) { 570 _quote_args($pass_through); 571 @$pass_through = ( 572 "/DESCRIPTION=$makefile", 573 '/MACRO=(' . join(',',@$pass_through) . ')' 574 ); 575 } 576 577 my @targ = ($target, @$pass_through); 578 print "Making $target in $ext_dir\n@make @targ\n" if $verbose; 579 local $ENV{PERL_INSTALL_QUIET} = 1; 580 my $code = system(@make, @targ); 581 if($code >> 8 != 0){ # probably cleaned itself, try again once more time 582 $code = system(@make, @targ); 583 } 584 die "Unsuccessful make($ext_dir): code=$code" if $code != 0; 585 586 chdir $return_dir || die "Cannot cd to $return_dir: $!"; 587} 588 589sub _quote_args { 590 my $args = shift; # must be array reference 591 592 # Do not quote qualifiers that begin with '/'. 593 map { if (!/^\//) { 594 $_ =~ s/\"/""/g; # escape C<"> by doubling 595 $_ = q(").$_.q("); 596 } 597 } @{$args} 598 ; 599} 600 601#guarentee that a file is deleted or die, void _unlink($filename) 602#xxx replace with _unlink_or_rename from EU::Install? 603sub _unlink { 604 1 while unlink $_[0]; 605 my $err = $!; 606 die "Can't unlink $_[0]: $err" if -f $_[0]; 607} 608 609# Figure out if this extension is simple enough that it would only use 610# ExtUtils::MakeMaker's pm_to_blib target. If we're confident that it would, 611# then do all the work ourselves (returning an empty list), else return the 612# name of a file that we identified as beyond our ability to handle. 613# 614# While this is clearly quite a bit more work than just letting 615# ExtUtils::MakeMaker do it, and effectively is some code duplication, the time 616# savings are impressive. 617 618sub just_pm_to_blib { 619 my ($target, $ext_dir, $mname, $return_dir) = @_; 620 my ($has_lib, $has_top, $has_topdir); 621 my ($last) = $mname =~ /([^:]+)$/; 622 my ($first) = $mname =~ /^([^:]+)/; 623 624 my $pm_to_blib = IS_VMS ? 'pm_to_blib.ts' : 'pm_to_blib'; 625 my $silent = defined $ENV{MAKEFLAGS} && $ENV{MAKEFLAGS} =~ /\b(s|silent|quiet)\b/; 626 627 foreach my $leaf (<*>) { 628 if (-d $leaf) { 629 $leaf =~ s/\.DIR\z//i 630 if IS_VMS; 631 next if $leaf =~ /\A(?:\.|\.\.|t|demo)\z/; 632 if ($leaf eq 'lib') { 633 ++$has_lib; 634 next; 635 } 636 if ($leaf eq $first) { 637 ++$has_topdir; 638 next; 639 } 640 } 641 return $leaf 642 unless -f _; 643 $leaf =~ s/\.\z// 644 if IS_VMS; 645 # Makefile.PL is "safe" to ignore because we will only be called for 646 # directories that hold a Makefile.PL if they are in the exception list. 647 next 648 if $leaf =~ /\A(ChangeLog 649 |Changes 650 |LICENSE 651 |Makefile\.PL 652 |MANIFEST 653 |META\.yml 654 |\Q$pm_to_blib\E 655 |README 656 |README\.patching 657 |README\.release 658 |\.gitignore 659 )\z/xi; # /i to deal with case munging systems. 660 if ($leaf eq "$last.pm") { 661 ++$has_top; 662 next; 663 } 664 return $leaf; 665 } 666 return 'no lib/' 667 unless $has_lib || $has_top; 668 die "Inconsistent module $mname has both lib/ and $first/" 669 if $has_lib && $has_topdir; 670 671 print "Running pm_to_blib for $ext_dir directly\n" 672 unless $silent; 673 674 my %pm; 675 if ($has_top) { 676 my $to = $mname =~ s!::!/!gr; 677 $pm{"$last.pm"} = "../../lib/$to.pm"; 678 } 679 if ($has_lib || $has_topdir) { 680 # strictly ExtUtils::MakeMaker uses the pm_to_blib target to install 681 # .pm, pod and .pl files. We're just going to do it for .pm and .pod 682 # files, to avoid problems on case munging file systems. Specifically, 683 # _pm.PL which ExtUtils::MakeMaker should run munges to _PM.PL, and 684 # looks a lot like a regular foo.pl (ie FOO.PL) 685 my @found; 686 require File::Find; 687 unless (eval { 688 File::Find::find({ 689 no_chdir => 1, 690 wanted => sub { 691 return if -d $_; 692 # Bail out immediately with the problem file: 693 die \$_ 694 unless -f _; 695 die \$_ 696 unless /\A[^.]+\.(?:pm|pod)\z/i; 697 push @found, $_; 698 } 699 }, $has_lib ? 'lib' : $first); 700 1; 701 }) { 702 # Problem files aren't really errors: 703 return ${$@} 704 if ref $@ eq 'SCALAR'; 705 # But anything else is: 706 die $@; 707 } 708 if ($has_lib) { 709 $pm{$_} = "../../$_" 710 foreach @found; 711 } else { 712 $pm{$_} = "../../lib/$_" 713 foreach @found; 714 } 715 } 716 # This is running under miniperl, so no autodie 717 if ($target eq 'all') { 718 my $need_update = 1; 719 if (-f $pm_to_blib) { 720 # avoid touching pm_to_blib unless there's something that 721 # needs updating, see #126710 722 $need_update = 0; 723 my $test_at = -M _; 724 while (my $from = each(%pm)) { 725 if (-M $from < $test_at) { 726 ++$need_update; 727 last; 728 } 729 } 730 keys %pm; # reset iterator 731 } 732 733 if ($need_update) { 734 local $ENV{PERL_INSTALL_QUIET} = 1; 735 require ExtUtils::Install; 736 ExtUtils::Install::pm_to_blib(\%pm, '../../lib/auto'); 737 open my $fh, '>', $pm_to_blib 738 or die "Can't open '$pm_to_blib': $!"; 739 print $fh "$0 has handled pm_to_blib directly\n"; 740 close $fh 741 or die "Can't close '$pm_to_blib': $!"; 742 if (IS_UNIX) { 743 # Fake the fallback cleanup 744 my $fallback 745 = join '', map {s!^\.\./\.\./!!; "rm -f $_\n"} sort values %pm; 746 foreach my $clean_target ('realclean', 'veryclean') { 747 fallback_cleanup($return_dir, $clean_target, $fallback); 748 } 749 } 750 } 751 } else { 752 # A clean target. 753 # For now, make the targets behave the same way as ExtUtils::MakeMaker 754 # does 755 _unlink($pm_to_blib); 756 unless ($target eq 'clean') { 757 # but cheat a bit, by relying on the top level Makefile clean target 758 # to take out our directory lib/auto/... 759 # (which it has to deal with, as cpan/foo/bar creates 760 # lib/auto/foo/bar, but the EU::MM rule will only 761 # rmdir lib/auto/foo/bar, leaving lib/auto/foo 762 _unlink($_) 763 foreach sort values %pm; 764 } 765 } 766 return; 767} 768 769sub fallback_cleanup { 770 my ($dir, $clean_target, $contents) = @_; 771 my $file = "$dir/$clean_target.sh"; 772 open my $fh, '>>', $file or die "open $file: $!"; 773 # Quite possible that we're being run in parallel here. 774 # Can't use Fcntl this early to get the LOCK_EX 775 flock $fh, 2 or warn "flock $file: $!"; 776 print $fh $contents or die "print $file: $!"; 777 close $fh or die "close $file: $!"; 778} 779