[Bps-public-commit] RT-Extension-AddAdminCcsOnQueueChange branch, master, updated. 0.02-4-ge3400f2

Thomas Sibley trs at bestpractical.com
Wed May 18 14:14:39 EDT 2011


The branch, master has been updated
       via  e3400f216e73f791012d0411d0c9358ff74fef6f (commit)
      from  7674f7bb73f98f676b1b6f050385e5c1ceb986f3 (commit)

Summary of changes:
 META.yml                       |    5 +-
 Makefile.PL                    |    2 +-
 inc/Module/Install.pm          |  218 +++++++++++++++++++-------------
 inc/Module/Install/Base.pm     |   11 ++-
 inc/Module/Install/Can.pm      |    2 +-
 inc/Module/Install/Fetch.pm    |    2 +-
 inc/Module/Install/Makefile.pm |  229 ++++++++++++++++++++++++++++------
 inc/Module/Install/Metadata.pm |  268 +++++++++++++++++++++++++++-------------
 inc/Module/Install/RTx.pm      |   14 ++-
 inc/Module/Install/Win32.pm    |    2 +-
 inc/Module/Install/WriteAll.pm |    7 +-
 11 files changed, 525 insertions(+), 235 deletions(-)

- Log -----------------------------------------------------------------
commit e3400f216e73f791012d0411d0c9358ff74fef6f
Author: Thomas Sibley <trs at bestpractical.com>
Date:   Wed May 18 14:14:26 2011 -0400

    Update our toolchain

diff --git a/META.yml b/META.yml
index 8581b4c..16fcfc0 100644
--- a/META.yml
+++ b/META.yml
@@ -1,14 +1,15 @@
 ---
 abstract: 'On queue change, adds queue AdminCcs as ticket AdminCcs'
 author:
+  - 'Best Practical Solutions, LLC.'
   - 'Kevin Riggle <kevinr at bestpractical.com>'
 build_requires:
   ExtUtils::MakeMaker: 6.42
 configure_requires:
   ExtUtils::MakeMaker: 6.42
 distribution_type: module
-generated_by: 'Module::Install version 0.91'
-license: 'GPL version 2'
+generated_by: 'Module::Install version 1.01'
+license: gpl
 meta-spec:
   url: http://module-build.sourceforge.net/META-spec-v1.4.html
   version: 1.4
diff --git a/Makefile.PL b/Makefile.PL
index 93effce..3a4c230 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -3,9 +3,9 @@ use inc::Module::Install;
 RTx('RT-Extension-AddAdminCcsOnQueueChange');
 
 name            ('RT-Extension-AddAdminCcsOnQueueChange');
+all_from        ('lib/RT/Extension/AddAdminCcsOnQueueChange.pm');
 abstract        ('On queue change, adds queue AdminCcs as ticket AdminCcs');
 author          ('Kevin Riggle <kevinr at bestpractical.com>');
-version_from    ('lib/RT/Extension/AddAdminCcsOnQueueChange.pm');
 license         ('GPL version 2');
 
 &WriteAll;
diff --git a/inc/Module/Install.pm b/inc/Module/Install.pm
index 51eda5d..74caf9c 100644
--- a/inc/Module/Install.pm
+++ b/inc/Module/Install.pm
@@ -19,6 +19,9 @@ package Module::Install;
 
 use 5.005;
 use strict 'vars';
+use Cwd        ();
+use File::Find ();
+use File::Path ();
 
 use vars qw{$VERSION $MAIN};
 BEGIN {
@@ -28,7 +31,7 @@ BEGIN {
 	# This is not enforced yet, but will be some time in the next few
 	# releases once we can make sure it won't clash with custom
 	# Module::Install extensions.
-	$VERSION = '0.91';
+	$VERSION = '1.01';
 
 	# Storage for the pseudo-singleton
 	$MAIN    = undef;
@@ -38,18 +41,25 @@ BEGIN {
 
 }
 
+sub import {
+	my $class = shift;
+	my $self  = $class->new(@_);
+	my $who   = $self->_caller;
 
-
-
-
-# Whether or not inc::Module::Install is actually loaded, the
-# $INC{inc/Module/Install.pm} is what will still get set as long as
-# the caller loaded module this in the documented manner.
-# If not set, the caller may NOT have loaded the bundled version, and thus
-# they may not have a MI version that works with the Makefile.PL. This would
-# result in false errors or unexpected behaviour. And we don't want that.
-my $file = join( '/', 'inc', split /::/, __PACKAGE__ ) . '.pm';
-unless ( $INC{$file} ) { die <<"END_DIE" }
+	#-------------------------------------------------------------
+	# all of the following checks should be included in import(),
+	# to allow "eval 'require Module::Install; 1' to test
+	# installation of Module::Install. (RT #51267)
+	#-------------------------------------------------------------
+
+	# Whether or not inc::Module::Install is actually loaded, the
+	# $INC{inc/Module/Install.pm} is what will still get set as long as
+	# the caller loaded module this in the documented manner.
+	# If not set, the caller may NOT have loaded the bundled version, and thus
+	# they may not have a MI version that works with the Makefile.PL. This would
+	# result in false errors or unexpected behaviour. And we don't want that.
+	my $file = join( '/', 'inc', split /::/, __PACKAGE__ ) . '.pm';
+	unless ( $INC{$file} ) { die <<"END_DIE" }
 
 Please invoke ${\__PACKAGE__} with:
 
@@ -61,26 +71,28 @@ not:
 
 END_DIE
 
-
-
-
-
-# If the script that is loading Module::Install is from the future,
-# then make will detect this and cause it to re-run over and over
-# again. This is bad. Rather than taking action to touch it (which
-# is unreliable on some platforms and requires write permissions)
-# for now we should catch this and refuse to run.
-if ( -f $0 ) {
-	my $s = (stat($0))[9];
-
-	# If the modification time is only slightly in the future,
-	# sleep briefly to remove the problem.
-	my $a = $s - time;
-	if ( $a > 0 and $a < 5 ) { sleep 5 }
-
-	# Too far in the future, throw an error.
-	my $t = time;
-	if ( $s > $t ) { die <<"END_DIE" }
+	# This reportedly fixes a rare Win32 UTC file time issue, but
+	# as this is a non-cross-platform XS module not in the core,
+	# we shouldn't really depend on it. See RT #24194 for detail.
+	# (Also, this module only supports Perl 5.6 and above).
+	eval "use Win32::UTCFileTime" if $^O eq 'MSWin32' && $] >= 5.006;
+
+	# If the script that is loading Module::Install is from the future,
+	# then make will detect this and cause it to re-run over and over
+	# again. This is bad. Rather than taking action to touch it (which
+	# is unreliable on some platforms and requires write permissions)
+	# for now we should catch this and refuse to run.
+	if ( -f $0 ) {
+		my $s = (stat($0))[9];
+
+		# If the modification time is only slightly in the future,
+		# sleep briefly to remove the problem.
+		my $a = $s - time;
+		if ( $a > 0 and $a < 5 ) { sleep 5 }
+
+		# Too far in the future, throw an error.
+		my $t = time;
+		if ( $s > $t ) { die <<"END_DIE" }
 
 Your installer $0 has a modification time in the future ($s > $t).
 
@@ -89,15 +101,12 @@ This is known to create infinite loops in make.
 Please correct this, then run $0 again.
 
 END_DIE
-}
-
-
-
+	}
 
 
-# Build.PL was formerly supported, but no longer is due to excessive
-# difficulty in implementing every single feature twice.
-if ( $0 =~ /Build.PL$/i ) { die <<"END_DIE" }
+	# Build.PL was formerly supported, but no longer is due to excessive
+	# difficulty in implementing every single feature twice.
+	if ( $0 =~ /Build.PL$/i ) { die <<"END_DIE" }
 
 Module::Install no longer supports Build.PL.
 
@@ -107,23 +116,42 @@ Please remove all Build.PL files and only use the Makefile.PL installer.
 
 END_DIE
 
+	#-------------------------------------------------------------
 
+	# To save some more typing in Module::Install installers, every...
+	# use inc::Module::Install
+	# ...also acts as an implicit use strict.
+	$^H |= strict::bits(qw(refs subs vars));
 
+	#-------------------------------------------------------------
 
+	unless ( -f $self->{file} ) {
+		foreach my $key (keys %INC) {
+			delete $INC{$key} if $key =~ /Module\/Install/;
+		}
 
-# To save some more typing in Module::Install installers, every...
-# use inc::Module::Install
-# ...also acts as an implicit use strict.
-$^H |= strict::bits(qw(refs subs vars));
-
+		local $^W;
+		require "$self->{path}/$self->{dispatch}.pm";
+		File::Path::mkpath("$self->{prefix}/$self->{author}");
+		$self->{admin} = "$self->{name}::$self->{dispatch}"->new( _top => $self );
+		$self->{admin}->init;
+		@_ = ($class, _self => $self);
+		goto &{"$self->{name}::import"};
+	}
 
+	local $^W;
+	*{"${who}::AUTOLOAD"} = $self->autoload;
+	$self->preload;
 
+	# Unregister loader and worker packages so subdirs can use them again
+	delete $INC{'inc/Module/Install.pm'};
+	delete $INC{'Module/Install.pm'};
 
+	# Save to the singleton
+	$MAIN = $self;
 
-use Cwd        ();
-use File::Find ();
-use File::Path ();
-use FindBin;
+	return 1;
+}
 
 sub autoload {
 	my $self = shift;
@@ -136,7 +164,21 @@ sub autoload {
 			# Delegate back to parent dirs
 			goto &$code unless $cwd eq $pwd;
 		}
-		$$sym =~ /([^:]+)$/ or die "Cannot autoload $who - $sym";
+		unless ($$sym =~ s/([^:]+)$//) {
+			# XXX: it looks like we can't retrieve the missing function
+			# via $$sym (usually $main::AUTOLOAD) in this case.
+			# I'm still wondering if we should slurp Makefile.PL to
+			# get some context or not ...
+			my ($package, $file, $line) = caller;
+			die <<"EOT";
+Unknown function is found at $file line $line.
+Execution of $file aborted due to runtime errors.
+
+If you're a contributor to a project, you may need to install
+some Module::Install extensions from CPAN (or other repository).
+If you're a user of a module, please contact the author.
+EOT
+		}
 		my $method = $1;
 		if ( uc($method) eq $method ) {
 			# Do nothing
@@ -152,33 +194,6 @@ sub autoload {
 	};
 }
 
-sub import {
-	my $class = shift;
-	my $self  = $class->new(@_);
-	my $who   = $self->_caller;
-
-	unless ( -f $self->{file} ) {
-		require "$self->{path}/$self->{dispatch}.pm";
-		File::Path::mkpath("$self->{prefix}/$self->{author}");
-		$self->{admin} = "$self->{name}::$self->{dispatch}"->new( _top => $self );
-		$self->{admin}->init;
-		@_ = ($class, _self => $self);
-		goto &{"$self->{name}::import"};
-	}
-
-	*{"${who}::AUTOLOAD"} = $self->autoload;
-	$self->preload;
-
-	# Unregister loader and worker packages so subdirs can use them again
-	delete $INC{"$self->{file}"};
-	delete $INC{"$self->{path}.pm"};
-
-	# Save to the singleton
-	$MAIN = $self;
-
-	return 1;
-}
-
 sub preload {
 	my $self = shift;
 	unless ( $self->{extensions} ) {
@@ -204,6 +219,7 @@ sub preload {
 
 	my $who = $self->_caller;
 	foreach my $name ( sort keys %seen ) {
+		local $^W;
 		*{"${who}::$name"} = sub {
 			${"${who}::AUTOLOAD"} = "${who}::$name";
 			goto &{"${who}::AUTOLOAD"};
@@ -214,12 +230,18 @@ sub preload {
 sub new {
 	my ($class, %args) = @_;
 
+	delete $INC{'FindBin.pm'};
+	{
+		# to suppress the redefine warning
+		local $SIG{__WARN__} = sub {};
+		require FindBin;
+	}
+
 	# ignore the prefix on extension modules built from top level.
 	my $base_path = Cwd::abs_path($FindBin::Bin);
 	unless ( Cwd::abs_path(Cwd::cwd()) eq $base_path ) {
 		delete $args{prefix};
 	}
-
 	return $args{_self} if $args{_self};
 
 	$args{dispatch} ||= 'Admin';
@@ -272,8 +294,10 @@ END_DIE
 sub load_extensions {
 	my ($self, $path, $top) = @_;
 
+	my $should_reload = 0;
 	unless ( grep { ! ref $_ and lc $_ eq lc $self->{prefix} } @INC ) {
 		unshift @INC, $self->{prefix};
+		$should_reload = 1;
 	}
 
 	foreach my $rv ( $self->find_extensions($path) ) {
@@ -281,12 +305,13 @@ sub load_extensions {
 		next if $self->{pathnames}{$pkg};
 
 		local $@;
-		my $new = eval { require $file; $pkg->can('new') };
+		my $new = eval { local $^W; require $file; $pkg->can('new') };
 		unless ( $new ) {
 			warn $@ if $@;
 			next;
 		}
-		$self->{pathnames}{$pkg} = delete $INC{$file};
+		$self->{pathnames}{$pkg} =
+			$should_reload ? delete $INC{$file} : $INC{$file};
 		push @{$self->{extensions}}, &{$new}($pkg, _top => $top );
 	}
 
@@ -348,17 +373,24 @@ sub _caller {
 	return $call;
 }
 
+# Done in evals to avoid confusing Perl::MinimumVersion
+eval( $] >= 5.006 ? <<'END_NEW' : <<'END_OLD' ); die $@ if $@;
 sub _read {
 	local *FH;
-	if ( $] >= 5.006 ) {
-		open( FH, '<', $_[0] ) or die "open($_[0]): $!";
-	} else {
-		open( FH, "< $_[0]"  ) or die "open($_[0]): $!";
-	}
+	open( FH, '<', $_[0] ) or die "open($_[0]): $!";
+	my $string = do { local $/; <FH> };
+	close FH or die "close($_[0]): $!";
+	return $string;
+}
+END_NEW
+sub _read {
+	local *FH;
+	open( FH, "< $_[0]"  ) or die "open($_[0]): $!";
 	my $string = do { local $/; <FH> };
 	close FH or die "close($_[0]): $!";
 	return $string;
 }
+END_OLD
 
 sub _readperl {
 	my $string = Module::Install::_read($_[0]);
@@ -379,18 +411,26 @@ sub _readpod {
 	return $string;
 }
 
+# Done in evals to avoid confusing Perl::MinimumVersion
+eval( $] >= 5.006 ? <<'END_NEW' : <<'END_OLD' ); die $@ if $@;
 sub _write {
 	local *FH;
-	if ( $] >= 5.006 ) {
-		open( FH, '>', $_[0] ) or die "open($_[0]): $!";
-	} else {
-		open( FH, "> $_[0]"  ) or die "open($_[0]): $!";
+	open( FH, '>', $_[0] ) or die "open($_[0]): $!";
+	foreach ( 1 .. $#_ ) {
+		print FH $_[$_] or die "print($_[0]): $!";
 	}
+	close FH or die "close($_[0]): $!";
+}
+END_NEW
+sub _write {
+	local *FH;
+	open( FH, "> $_[0]"  ) or die "open($_[0]): $!";
 	foreach ( 1 .. $#_ ) {
 		print FH $_[$_] or die "print($_[0]): $!";
 	}
 	close FH or die "close($_[0]): $!";
 }
+END_OLD
 
 # _version is for processing module versions (eg, 1.03_05) not
 # Perl versions (eg, 5.8.1).
@@ -427,4 +467,4 @@ sub _CLASS ($) {
 
 1;
 
-# Copyright 2008 - 2009 Adam Kennedy.
+# Copyright 2008 - 2011 Adam Kennedy.
diff --git a/inc/Module/Install/Base.pm b/inc/Module/Install/Base.pm
index 60a74d2..d3662c9 100644
--- a/inc/Module/Install/Base.pm
+++ b/inc/Module/Install/Base.pm
@@ -4,7 +4,7 @@ package Module::Install::Base;
 use strict 'vars';
 use vars qw{$VERSION};
 BEGIN {
-	$VERSION = '0.91';
+	$VERSION = '1.01';
 }
 
 # Suspend handler for "redefined" warnings
@@ -51,13 +51,18 @@ sub admin {
 #line 106
 
 sub is_admin {
-	$_[0]->admin->VERSION;
+	! $_[0]->admin->isa('Module::Install::Base::FakeAdmin');
 }
 
 sub DESTROY {}
 
 package Module::Install::Base::FakeAdmin;
 
+use vars qw{$VERSION};
+BEGIN {
+	$VERSION = $Module::Install::Base::VERSION;
+}
+
 my $fake;
 
 sub new {
@@ -75,4 +80,4 @@ BEGIN {
 
 1;
 
-#line 154
+#line 159
diff --git a/inc/Module/Install/Can.pm b/inc/Module/Install/Can.pm
index e65e4f6..276409a 100644
--- a/inc/Module/Install/Can.pm
+++ b/inc/Module/Install/Can.pm
@@ -9,7 +9,7 @@ use Module::Install::Base ();
 
 use vars qw{$VERSION @ISA $ISCORE};
 BEGIN {
-	$VERSION = '0.91';
+	$VERSION = '1.01';
 	@ISA     = 'Module::Install::Base';
 	$ISCORE  = 1;
 }
diff --git a/inc/Module/Install/Fetch.pm b/inc/Module/Install/Fetch.pm
index 05f2079..093cb7a 100644
--- a/inc/Module/Install/Fetch.pm
+++ b/inc/Module/Install/Fetch.pm
@@ -6,7 +6,7 @@ use Module::Install::Base ();
 
 use vars qw{$VERSION @ISA $ISCORE};
 BEGIN {
-	$VERSION = '0.91';
+	$VERSION = '1.01';
 	@ISA     = 'Module::Install::Base';
 	$ISCORE  = 1;
 }
diff --git a/inc/Module/Install/Makefile.pm b/inc/Module/Install/Makefile.pm
index 98779db..4c71003 100644
--- a/inc/Module/Install/Makefile.pm
+++ b/inc/Module/Install/Makefile.pm
@@ -4,10 +4,11 @@ package Module::Install::Makefile;
 use strict 'vars';
 use ExtUtils::MakeMaker   ();
 use Module::Install::Base ();
+use Fcntl qw/:flock :seek/;
 
 use vars qw{$VERSION @ISA $ISCORE};
 BEGIN {
-	$VERSION = '0.91';
+	$VERSION = '1.01';
 	@ISA     = 'Module::Install::Base';
 	$ISCORE  = 1;
 }
@@ -25,8 +26,8 @@ sub prompt {
 		die "Caught an potential prompt infinite loop ($c[1]|$c[2]|$_[0])";
 	}
 
-	# In automated testing, always use defaults
-	if ( $ENV{AUTOMATED_TESTING} and ! $ENV{PERL_MM_USE_DEFAULT} ) {
+	# In automated testing or non-interactive session, always use defaults
+	if ( ($ENV{AUTOMATED_TESTING} or -! -t STDIN) and ! $ENV{PERL_MM_USE_DEFAULT} ) {
 		local $ENV{PERL_MM_USE_DEFAULT} = 1;
 		goto &ExtUtils::MakeMaker::prompt;
 	} else {
@@ -34,21 +35,112 @@ sub prompt {
 	}
 }
 
+# Store a cleaned up version of the MakeMaker version,
+# since we need to behave differently in a variety of
+# ways based on the MM version.
+my $makemaker = eval $ExtUtils::MakeMaker::VERSION;
+
+# If we are passed a param, do a "newer than" comparison.
+# Otherwise, just return the MakeMaker version.
+sub makemaker {
+	( @_ < 2 or $makemaker >= eval($_[1]) ) ? $makemaker : 0
+}
+
+# Ripped from ExtUtils::MakeMaker 6.56, and slightly modified
+# as we only need to know here whether the attribute is an array
+# or a hash or something else (which may or may not be appendable).
+my %makemaker_argtype = (
+ C                  => 'ARRAY',
+ CONFIG             => 'ARRAY',
+# CONFIGURE          => 'CODE', # ignore
+ DIR                => 'ARRAY',
+ DL_FUNCS           => 'HASH',
+ DL_VARS            => 'ARRAY',
+ EXCLUDE_EXT        => 'ARRAY',
+ EXE_FILES          => 'ARRAY',
+ FUNCLIST           => 'ARRAY',
+ H                  => 'ARRAY',
+ IMPORTS            => 'HASH',
+ INCLUDE_EXT        => 'ARRAY',
+ LIBS               => 'ARRAY', # ignore ''
+ MAN1PODS           => 'HASH',
+ MAN3PODS           => 'HASH',
+ META_ADD           => 'HASH',
+ META_MERGE         => 'HASH',
+ PL_FILES           => 'HASH',
+ PM                 => 'HASH',
+ PMLIBDIRS          => 'ARRAY',
+ PMLIBPARENTDIRS    => 'ARRAY',
+ PREREQ_PM          => 'HASH',
+ CONFIGURE_REQUIRES => 'HASH',
+ SKIP               => 'ARRAY',
+ TYPEMAPS           => 'ARRAY',
+ XS                 => 'HASH',
+# VERSION            => ['version',''],  # ignore
+# _KEEP_AFTER_FLUSH  => '',
+
+ clean      => 'HASH',
+ depend     => 'HASH',
+ dist       => 'HASH',
+ dynamic_lib=> 'HASH',
+ linkext    => 'HASH',
+ macro      => 'HASH',
+ postamble  => 'HASH',
+ realclean  => 'HASH',
+ test       => 'HASH',
+ tool_autosplit => 'HASH',
+
+ # special cases where you can use makemaker_append
+ CCFLAGS   => 'APPENDABLE',
+ DEFINE    => 'APPENDABLE',
+ INC       => 'APPENDABLE',
+ LDDLFLAGS => 'APPENDABLE',
+ LDFROM    => 'APPENDABLE',
+);
+
 sub makemaker_args {
-	my $self = shift;
+	my ($self, %new_args) = @_;
 	my $args = ( $self->{makemaker_args} ||= {} );
-	%$args = ( %$args, @_ );
+	foreach my $key (keys %new_args) {
+		if ($makemaker_argtype{$key}) {
+			if ($makemaker_argtype{$key} eq 'ARRAY') {
+				$args->{$key} = [] unless defined $args->{$key};
+				unless (ref $args->{$key} eq 'ARRAY') {
+					$args->{$key} = [$args->{$key}]
+				}
+				push @{$args->{$key}},
+					ref $new_args{$key} eq 'ARRAY'
+						? @{$new_args{$key}}
+						: $new_args{$key};
+			}
+			elsif ($makemaker_argtype{$key} eq 'HASH') {
+				$args->{$key} = {} unless defined $args->{$key};
+				foreach my $skey (keys %{ $new_args{$key} }) {
+					$args->{$key}{$skey} = $new_args{$key}{$skey};
+				}
+			}
+			elsif ($makemaker_argtype{$key} eq 'APPENDABLE') {
+				$self->makemaker_append($key => $new_args{$key});
+			}
+		}
+		else {
+			if (defined $args->{$key}) {
+				warn qq{MakeMaker attribute "$key" is overriden; use "makemaker_append" to append values\n};
+			}
+			$args->{$key} = $new_args{$key};
+		}
+	}
 	return $args;
 }
 
 # For mm args that take multiple space-seperated args,
 # append an argument to the current list.
 sub makemaker_append {
-	my $self = sShift;
+	my $self = shift;
 	my $name = shift;
 	my $args = $self->makemaker_args;
-	$args->{name} = defined $args->{$name}
-		? join( ' ', $args->{name}, @_ )
+	$args->{$name} = defined $args->{$name}
+		? join( ' ', $args->{$name}, @_ )
 		: join( ' ', @_ );
 }
 
@@ -89,25 +181,22 @@ sub inc {
 	$self->makemaker_args( INC => shift );
 }
 
-my %test_dir = ();
-
 sub _wanted_t {
-	/\.t$/ and -f $_ and $test_dir{$File::Find::dir} = 1;
 }
 
 sub tests_recursive {
 	my $self = shift;
-	if ( $self->tests ) {
-		die "tests_recursive will not work if tests are already defined";
-	}
 	my $dir = shift || 't';
 	unless ( -d $dir ) {
 		die "tests_recursive dir '$dir' does not exist";
 	}
-	%test_dir = ();
+	my %tests = map { $_ => 1 } split / /, ($self->tests || '');
 	require File::Find;
-	File::Find::find( \&_wanted_t, $dir );
-	$self->tests( join ' ', map { "$_/*.t" } sort keys %test_dir );
+	File::Find::find(
+        sub { /\.t$/ and -f $_ and $tests{"$File::Find::dir/*.t"} = 1 },
+        $dir
+    );
+	$self->tests( join ' ', sort keys %tests );
 }
 
 sub write {
@@ -130,12 +219,13 @@ sub write {
 		# an underscore, even though its own version may contain one!
 		# Hence the funny regexp to get rid of it.  See RT #35800
 		# for details.
-		$self->build_requires( 'ExtUtils::MakeMaker' => $ExtUtils::MakeMaker::VERSION =~ /^(\d+\.\d+)/ );
-		$self->configure_requires( 'ExtUtils::MakeMaker' => $ExtUtils::MakeMaker::VERSION =~ /^(\d+\.\d+)/ );
+		my $v = $ExtUtils::MakeMaker::VERSION =~ /^(\d+\.\d+)/;
+		$self->build_requires(     'ExtUtils::MakeMaker' => $v );
+		$self->configure_requires( 'ExtUtils::MakeMaker' => $v );
 	} else {
 		# Allow legacy-compatibility with 5.005 by depending on the
 		# most recent EU:MM that supported 5.005.
-		$self->build_requires( 'ExtUtils::MakeMaker' => 6.42 );
+		$self->build_requires(     'ExtUtils::MakeMaker' => 6.42 );
 		$self->configure_requires( 'ExtUtils::MakeMaker' => 6.42 );
 	}
 
@@ -143,59 +233,115 @@ sub write {
 	my $args = $self->makemaker_args;
 	$args->{DISTNAME} = $self->name;
 	$args->{NAME}     = $self->module_name || $self->name;
-	$args->{VERSION}  = $self->version;
 	$args->{NAME}     =~ s/-/::/g;
+	$args->{VERSION}  = $self->version or die <<'EOT';
+ERROR: Can't determine distribution version. Please specify it
+explicitly via 'version' in Makefile.PL, or set a valid $VERSION
+in a module, and provide its file path via 'version_from' (or
+'all_from' if you prefer) in Makefile.PL.
+EOT
+
+	$DB::single = 1;
 	if ( $self->tests ) {
-		$args->{test} = { TESTS => $self->tests };
+		my @tests = split ' ', $self->tests;
+		my %seen;
+		$args->{test} = {
+			TESTS => (join ' ', grep {!$seen{$_}++} @tests),
+		};
+    } elsif ( $Module::Install::ExtraTests::use_extratests ) {
+        # Module::Install::ExtraTests doesn't set $self->tests and does its own tests via harness.
+        # So, just ignore our xt tests here.
+	} elsif ( -d 'xt' and ($Module::Install::AUTHOR or $ENV{RELEASE_TESTING}) ) {
+		$args->{test} = {
+			TESTS => join( ' ', map { "$_/*.t" } grep { -d $_ } qw{ t xt } ),
+		};
 	}
 	if ( $] >= 5.005 ) {
 		$args->{ABSTRACT} = $self->abstract;
-		$args->{AUTHOR}   = $self->author;
+		$args->{AUTHOR}   = join ', ', @{$self->author || []};
 	}
-	if ( eval($ExtUtils::MakeMaker::VERSION) >= 6.10 ) {
-		$args->{NO_META} = 1;
+	if ( $self->makemaker(6.10) ) {
+		$args->{NO_META}   = 1;
+		#$args->{NO_MYMETA} = 1;
 	}
-	if ( eval($ExtUtils::MakeMaker::VERSION) > 6.17 and $self->sign ) {
+	if ( $self->makemaker(6.17) and $self->sign ) {
 		$args->{SIGN} = 1;
 	}
 	unless ( $self->is_admin ) {
 		delete $args->{SIGN};
 	}
+	if ( $self->makemaker(6.31) and $self->license ) {
+		$args->{LICENSE} = $self->license;
+	}
 
-	# Merge both kinds of requires into prereq_pm
 	my $prereq = ($args->{PREREQ_PM} ||= {});
 	%$prereq = ( %$prereq,
-		map { @$_ }
+		map { @$_ } # flatten [module => version]
 		map { @$_ }
 		grep $_,
-		($self->configure_requires, $self->build_requires, $self->requires)
+		($self->requires)
 	);
 
 	# Remove any reference to perl, PREREQ_PM doesn't support it
 	delete $args->{PREREQ_PM}->{perl};
 
-	# merge both kinds of requires into prereq_pm
-	my $subdirs = ($args->{DIR} ||= []);
+	# Merge both kinds of requires into BUILD_REQUIRES
+	my $build_prereq = ($args->{BUILD_REQUIRES} ||= {});
+	%$build_prereq = ( %$build_prereq,
+		map { @$_ } # flatten [module => version]
+		map { @$_ }
+		grep $_,
+		($self->configure_requires, $self->build_requires)
+	);
+
+	# Remove any reference to perl, BUILD_REQUIRES doesn't support it
+	delete $args->{BUILD_REQUIRES}->{perl};
+
+	# Delete bundled dists from prereq_pm, add it to Makefile DIR
+	my $subdirs = ($args->{DIR} || []);
 	if ($self->bundles) {
+		my %processed;
 		foreach my $bundle (@{ $self->bundles }) {
-			my ($file, $dir) = @$bundle;
-			push @$subdirs, $dir if -d $dir;
-			delete $prereq->{$file};
+			my ($mod_name, $dist_dir) = @$bundle;
+			delete $prereq->{$mod_name};
+			$dist_dir = File::Basename::basename($dist_dir); # dir for building this module
+			if (not exists $processed{$dist_dir}) {
+				if (-d $dist_dir) {
+					# List as sub-directory to be processed by make
+					push @$subdirs, $dist_dir;
+				}
+				# Else do nothing: the module is already present on the system
+				$processed{$dist_dir} = undef;
+			}
 		}
 	}
 
+	unless ( $self->makemaker('6.55_03') ) {
+		%$prereq = (%$prereq,%$build_prereq);
+		delete $args->{BUILD_REQUIRES};
+	}
+
 	if ( my $perl_version = $self->perl_version ) {
 		eval "use $perl_version; 1"
 			or die "ERROR: perl: Version $] is installed, "
 			. "but we need version >= $perl_version";
+
+		if ( $self->makemaker(6.48) ) {
+			$args->{MIN_PERL_VERSION} = $perl_version;
+		}
 	}
 
-	$args->{INSTALLDIRS} = $self->installdirs;
+	if ($self->installdirs) {
+		warn qq{old INSTALLDIRS (probably set by makemaker_args) is overriden by installdirs\n} if $args->{INSTALLDIRS};
+		$args->{INSTALLDIRS} = $self->installdirs;
+	}
 
-	my %args = map { ( $_ => $args->{$_} ) } grep {defined($args->{$_})} keys %$args;
+	my %args = map {
+		( $_ => $args->{$_} ) } grep {defined($args->{$_} )
+	} keys %$args;
 
 	my $user_preop = delete $args{dist}->{PREOP};
-	if (my $preop = $self->admin->preop($user_preop)) {
+	if ( my $preop = $self->admin->preop($user_preop) ) {
 		foreach my $key ( keys %$preop ) {
 			$args{dist}->{$key} = $preop->{$key};
 		}
@@ -219,9 +365,9 @@ sub fix_up_makefile {
 		. ($self->postamble || '');
 
 	local *MAKEFILE;
-	open MAKEFILE, "< $makefile_name" or die "fix_up_makefile: Couldn't open $makefile_name: $!";
+	open MAKEFILE, "+< $makefile_name" or die "fix_up_makefile: Couldn't open $makefile_name: $!";
+	eval { flock MAKEFILE, LOCK_EX };
 	my $makefile = do { local $/; <MAKEFILE> };
-	close MAKEFILE or die $!;
 
 	$makefile =~ s/\b(test_harness\(\$\(TEST_VERBOSE\), )/$1'inc', /;
 	$makefile =~ s/( -I\$\(INST_ARCHLIB\))/ -Iinc$1/g;
@@ -241,7 +387,8 @@ sub fix_up_makefile {
 	# XXX - This is currently unused; not sure if it breaks other MM-users
 	# $makefile =~ s/^pm_to_blib\s+:\s+/pm_to_blib :: /mg;
 
-	open  MAKEFILE, "> $makefile_name" or die "fix_up_makefile: Couldn't open $makefile_name: $!";
+	seek MAKEFILE, 0, SEEK_SET;
+	truncate MAKEFILE, 0;
 	print MAKEFILE  "$preamble$makefile$postamble" or die $!;
 	close MAKEFILE  or die $!;
 
@@ -265,4 +412,4 @@ sub postamble {
 
 __END__
 
-#line 394
+#line 541
diff --git a/inc/Module/Install/Metadata.pm b/inc/Module/Install/Metadata.pm
index 653193d..3b01e09 100644
--- a/inc/Module/Install/Metadata.pm
+++ b/inc/Module/Install/Metadata.pm
@@ -6,7 +6,7 @@ use Module::Install::Base ();
 
 use vars qw{$VERSION @ISA $ISCORE};
 BEGIN {
-	$VERSION = '0.91';
+	$VERSION = '1.01';
 	@ISA     = 'Module::Install::Base';
 	$ISCORE  = 1;
 }
@@ -19,7 +19,6 @@ my @scalar_keys = qw{
 	name
 	module_name
 	abstract
-	author
 	version
 	distribution_type
 	tests
@@ -43,8 +42,11 @@ my @resource_keys = qw{
 
 my @array_keys = qw{
 	keywords
+	author
 };
 
+*authors = \&author;
+
 sub Meta              { shift          }
 sub Meta_BooleanKeys  { @boolean_keys  }
 sub Meta_ScalarKeys   { @scalar_keys   }
@@ -176,43 +178,6 @@ sub perl_version {
 	$self->{values}->{perl_version} = $version;
 }
 
-#Stolen from M::B
-my %license_urls = (
-    perl         => 'http://dev.perl.org/licenses/',
-    apache       => 'http://apache.org/licenses/LICENSE-2.0',
-    artistic     => 'http://opensource.org/licenses/artistic-license.php',
-    artistic_2   => 'http://opensource.org/licenses/artistic-license-2.0.php',
-    lgpl         => 'http://opensource.org/licenses/lgpl-license.php',
-    lgpl2        => 'http://opensource.org/licenses/lgpl-2.1.php',
-    lgpl3        => 'http://opensource.org/licenses/lgpl-3.0.html',
-    bsd          => 'http://opensource.org/licenses/bsd-license.php',
-    gpl          => 'http://opensource.org/licenses/gpl-license.php',
-    gpl2         => 'http://opensource.org/licenses/gpl-2.0.php',
-    gpl3         => 'http://opensource.org/licenses/gpl-3.0.html',
-    mit          => 'http://opensource.org/licenses/mit-license.php',
-    mozilla      => 'http://opensource.org/licenses/mozilla1.1.php',
-    open_source  => undef,
-    unrestricted => undef,
-    restrictive  => undef,
-    unknown      => undef,
-);
-
-sub license {
-	my $self = shift;
-	return $self->{values}->{license} unless @_;
-	my $license = shift or die(
-		'Did not provide a value to license()'
-	);
-	$self->{values}->{license} = $license;
-
-	# Automatically fill in license URLs
-	if ( $license_urls{$license} ) {
-		$self->resources( license => $license_urls{$license} );
-	}
-
-	return 1;
-}
-
 sub all_from {
 	my ( $self, $file ) = @_;
 
@@ -230,6 +195,8 @@ sub all_from {
 		die("The path '$file' does not exist, or is not a file");
 	}
 
+	$self->{values}{all_from} = $file;
+
 	# Some methods pull from POD instead of code.
 	# If there is a matching .pod, use that instead
 	my $pod = $file;
@@ -240,7 +207,7 @@ sub all_from {
 	$self->name_from($file)         unless $self->name;
 	$self->version_from($file)      unless $self->version;
 	$self->perl_version_from($file) unless $self->perl_version;
-	$self->author_from($pod)        unless $self->author;
+	$self->author_from($pod)        unless @{$self->author || []};
 	$self->license_from($pod)       unless $self->license;
 	$self->abstract_from($pod)      unless $self->abstract;
 
@@ -350,6 +317,9 @@ sub version_from {
 	require ExtUtils::MM_Unix;
 	my ( $self, $file ) = @_;
 	$self->version( ExtUtils::MM_Unix->parse_version($file) );
+
+	# for version integrity check
+	$self->makemaker_args( VERSION_FROM => $file );
 }
 
 sub abstract_from {
@@ -360,7 +330,7 @@ sub abstract_from {
 			{ DISTNAME => $self->name },
 			'ExtUtils::MM_Unix'
 		)->parse_abstract($file)
-	 );
+	);
 }
 
 # Add both distribution and module name
@@ -385,11 +355,10 @@ sub name_from {
 	}
 }
 
-sub perl_version_from {
-	my $self = shift;
+sub _extract_perl_version {
 	if (
-		Module::Install::_read($_[0]) =~ m/
-		^
+		$_[0] =~ m/
+		^\s*
 		(?:use|require) \s*
 		v?
 		([\d_\.]+)
@@ -398,6 +367,16 @@ sub perl_version_from {
 	) {
 		my $perl_version = $1;
 		$perl_version =~ s{_}{}g;
+		return $perl_version;
+	} else {
+		return;
+	}
+}
+
+sub perl_version_from {
+	my $self = shift;
+	my $perl_version=_extract_perl_version(Module::Install::_read($_[0]));
+	if ($perl_version) {
 		$self->perl_version($perl_version);
 	} else {
 		warn "Cannot determine perl version info from $_[0]\n";
@@ -417,59 +396,165 @@ sub author_from {
 		([^\n]*)
 	/ixms) {
 		my $author = $1 || $2;
-		$author =~ s{E<lt>}{<}g;
-		$author =~ s{E<gt>}{>}g;
+
+		# XXX: ugly but should work anyway...
+		if (eval "require Pod::Escapes; 1") {
+			# Pod::Escapes has a mapping table.
+			# It's in core of perl >= 5.9.3, and should be installed
+			# as one of the Pod::Simple's prereqs, which is a prereq
+			# of Pod::Text 3.x (see also below).
+			$author =~ s{ E<( (\d+) | ([A-Za-z]+) )> }
+			{
+				defined $2
+				? chr($2)
+				: defined $Pod::Escapes::Name2character_number{$1}
+				? chr($Pod::Escapes::Name2character_number{$1})
+				: do {
+					warn "Unknown escape: E<$1>";
+					"E<$1>";
+				};
+			}gex;
+		}
+		elsif (eval "require Pod::Text; 1" && $Pod::Text::VERSION < 3) {
+			# Pod::Text < 3.0 has yet another mapping table,
+			# though the table name of 2.x and 1.x are different.
+			# (1.x is in core of Perl < 5.6, 2.x is in core of
+			# Perl < 5.9.3)
+			my $mapping = ($Pod::Text::VERSION < 2)
+				? \%Pod::Text::HTML_Escapes
+				: \%Pod::Text::ESCAPES;
+			$author =~ s{ E<( (\d+) | ([A-Za-z]+) )> }
+			{
+				defined $2
+				? chr($2)
+				: defined $mapping->{$1}
+				? $mapping->{$1}
+				: do {
+					warn "Unknown escape: E<$1>";
+					"E<$1>";
+				};
+			}gex;
+		}
+		else {
+			$author =~ s{E<lt>}{<}g;
+			$author =~ s{E<gt>}{>}g;
+		}
 		$self->author($author);
 	} else {
 		warn "Cannot determine author info from $_[0]\n";
 	}
 }
 
-sub license_from {
+#Stolen from M::B
+my %license_urls = (
+    perl         => 'http://dev.perl.org/licenses/',
+    apache       => 'http://apache.org/licenses/LICENSE-2.0',
+    apache_1_1   => 'http://apache.org/licenses/LICENSE-1.1',
+    artistic     => 'http://opensource.org/licenses/artistic-license.php',
+    artistic_2   => 'http://opensource.org/licenses/artistic-license-2.0.php',
+    lgpl         => 'http://opensource.org/licenses/lgpl-license.php',
+    lgpl2        => 'http://opensource.org/licenses/lgpl-2.1.php',
+    lgpl3        => 'http://opensource.org/licenses/lgpl-3.0.html',
+    bsd          => 'http://opensource.org/licenses/bsd-license.php',
+    gpl          => 'http://opensource.org/licenses/gpl-license.php',
+    gpl2         => 'http://opensource.org/licenses/gpl-2.0.php',
+    gpl3         => 'http://opensource.org/licenses/gpl-3.0.html',
+    mit          => 'http://opensource.org/licenses/mit-license.php',
+    mozilla      => 'http://opensource.org/licenses/mozilla1.1.php',
+    open_source  => undef,
+    unrestricted => undef,
+    restrictive  => undef,
+    unknown      => undef,
+);
+
+sub license {
 	my $self = shift;
-	if (
-		Module::Install::_read($_[0]) =~ m/
-		(
-			=head \d \s+
-			(?:licen[cs]e|licensing|copyright|legal)\b
-			.*?
-		)
-		(=head\\d.*|=cut.*|)
-		\z
-	/ixms ) {
-		my $license_text = $1;
-		my @phrases      = (
-			'under the same (?:terms|license) as (?:perl|the perl programming language) itself' => 'perl', 1,
-			'GNU general public license'         => 'gpl',         1,
-			'GNU public license'                 => 'gpl',         1,
-			'GNU lesser general public license'  => 'lgpl',        1,
-			'GNU lesser public license'          => 'lgpl',        1,
-			'GNU library general public license' => 'lgpl',        1,
-			'GNU library public license'         => 'lgpl',        1,
-			'BSD license'                        => 'bsd',         1,
-			'Artistic license'                   => 'artistic',    1,
-			'GPL'                                => 'gpl',         1,
-			'LGPL'                               => 'lgpl',        1,
-			'BSD'                                => 'bsd',         1,
-			'Artistic'                           => 'artistic',    1,
-			'MIT'                                => 'mit',         1,
-			'proprietary'                        => 'proprietary', 0,
-		);
-		while ( my ($pattern, $license, $osi) = splice(@phrases, 0, 3) ) {
-			$pattern =~ s{\s+}{\\s+}g;
-			if ( $license_text =~ /\b$pattern\b/i ) {
-				$self->license($license);
-				return 1;
-			}
+	return $self->{values}->{license} unless @_;
+	my $license = shift or die(
+		'Did not provide a value to license()'
+	);
+	$license = __extract_license($license) || lc $license;
+	$self->{values}->{license} = $license;
+
+	# Automatically fill in license URLs
+	if ( $license_urls{$license} ) {
+		$self->resources( license => $license_urls{$license} );
+	}
+
+	return 1;
+}
+
+sub _extract_license {
+	my $pod = shift;
+	my $matched;
+	return __extract_license(
+		($matched) = $pod =~ m/
+			(=head \d \s+ L(?i:ICEN[CS]E|ICENSING)\b.*?)
+			(=head \d.*|=cut.*|)\z
+		/xms
+	) || __extract_license(
+		($matched) = $pod =~ m/
+			(=head \d \s+ (?:C(?i:OPYRIGHTS?)|L(?i:EGAL))\b.*?)
+			(=head \d.*|=cut.*|)\z
+		/xms
+	);
+}
+
+sub __extract_license {
+	my $license_text = shift or return;
+	my @phrases      = (
+		'(?:under )?the same (?:terms|license) as (?:perl|the perl (?:\d )?programming language)' => 'perl', 1,
+		'(?:under )?the terms of (?:perl|the perl programming language) itself' => 'perl', 1,
+		'Artistic and GPL'                   => 'perl',         1,
+		'GNU general public license'         => 'gpl',          1,
+		'GNU public license'                 => 'gpl',          1,
+		'GNU lesser general public license'  => 'lgpl',         1,
+		'GNU lesser public license'          => 'lgpl',         1,
+		'GNU library general public license' => 'lgpl',         1,
+		'GNU library public license'         => 'lgpl',         1,
+		'GNU Free Documentation license'     => 'unrestricted', 1,
+		'GNU Affero General Public License'  => 'open_source',  1,
+		'(?:Free)?BSD license'               => 'bsd',          1,
+		'Artistic license 2\.0'              => 'artistic_2',   1,
+		'Artistic license'                   => 'artistic',     1,
+		'Apache (?:Software )?license'       => 'apache',       1,
+		'GPL'                                => 'gpl',          1,
+		'LGPL'                               => 'lgpl',         1,
+		'BSD'                                => 'bsd',          1,
+		'Artistic'                           => 'artistic',     1,
+		'MIT'                                => 'mit',          1,
+		'Mozilla Public License'             => 'mozilla',      1,
+		'Q Public License'                   => 'open_source',  1,
+		'OpenSSL License'                    => 'unrestricted', 1,
+		'SSLeay License'                     => 'unrestricted', 1,
+		'zlib License'                       => 'open_source',  1,
+		'proprietary'                        => 'proprietary',  0,
+	);
+	while ( my ($pattern, $license, $osi) = splice(@phrases, 0, 3) ) {
+		$pattern =~ s#\s+#\\s+#gs;
+		if ( $license_text =~ /\b$pattern\b/i ) {
+			return $license;
 		}
 	}
+	return '';
+}
 
-	warn "Cannot determine license info from $_[0]\n";
-	return 'unknown';
+sub license_from {
+	my $self = shift;
+	if (my $license=_extract_license(Module::Install::_read($_[0]))) {
+		$self->license($license);
+	} else {
+		warn "Cannot determine license info from $_[0]\n";
+		return 'unknown';
+	}
 }
 
 sub _extract_bugtracker {
-	my @links   = $_[0] =~ m#L<(\Qhttp://rt.cpan.org/\E[^>]+)>#g;
+	my @links   = $_[0] =~ m#L<(
+	 https?\Q://rt.cpan.org/\E[^>]+|
+	 https?\Q://github.com/\E[\w_]+/[\w_]+/issues|
+	 https?\Q://code.google.com/p/\E[\w_\-]+/issues/list
+	 )>#gx;
 	my %links;
 	@links{@links}=();
 	@links=keys %links;
@@ -485,7 +570,7 @@ sub bugtracker_from {
 		return 0;
 	}
 	if ( @links > 1 ) {
-		warn "Found more than on rt.cpan.org link in $_[0]\n";
+		warn "Found more than one bugtracker link in $_[0]\n";
 		return 0;
 	}
 
@@ -532,8 +617,15 @@ sub _perl_version {
 	return $v;
 }
 
-
-
+sub add_metadata {
+    my $self = shift;
+    my %hash = @_;
+    for my $key (keys %hash) {
+        warn "add_metadata: $key is not prefixed with 'x_'.\n" .
+             "Use appopriate function to add non-private metadata.\n" unless $key =~ /^x_/;
+        $self->{values}->{$key} = $hash{$key};
+    }
+}
 
 
 ######################################################################
diff --git a/inc/Module/Install/RTx.pm b/inc/Module/Install/RTx.pm
index 20a354b..d8ab04c 100644
--- a/inc/Module/Install/RTx.pm
+++ b/inc/Module/Install/RTx.pm
@@ -8,7 +8,7 @@ no warnings 'once';
 
 use Module::Install::Base;
 use base 'Module::Install::Base';
-our $VERSION = '0.24';
+our $VERSION = '0.28';
 
 use FindBin;
 use File::Glob     ();
@@ -42,15 +42,16 @@ sub RTx {
         $INC{'RT.pm'} = "$RT::LocalPath/lib/RT.pm";
     } else {
         local @INC = (
-            @INC,
             $ENV{RTHOME} ? ( $ENV{RTHOME}, "$ENV{RTHOME}/lib" ) : (),
-            map { ( "$_/rt3/lib", "$_/lib/rt3", "$_/lib" ) } grep $_,
-            @prefixes
+            @INC,
+            map { ( "$_/rt4/lib", "$_/lib/rt4", "$_/rt3/lib", "$_/lib/rt3", "$_/lib" )
+                } grep $_, @prefixes
         );
         until ( eval { require RT; $RT::LocalPath } ) {
             warn
                 "Cannot find the location of RT.pm that defines \$RT::LocalPath in: @INC\n";
-            $_ = $self->prompt("Path to your RT.pm:") or exit;
+            $_ = $self->prompt("Path to directory containing your RT.pm:") or exit;
+            $_ =~ s/\/RT\.pm$//;
             push @INC, $_, "$_/rt3/lib", "$_/lib/rt3", "$_/lib";
         }
     }
@@ -59,6 +60,7 @@ sub RTx {
     my $local_lib_path = "$RT::LocalPath/lib";
     print "Using RT configuration from $INC{'RT.pm'}:\n";
     unshift @INC, "$RT::LocalPath/lib" if $RT::LocalPath;
+    unshift @INC, $lib_path;
 
     $RT::LocalVarPath  ||= $RT::VarPath;
     $RT::LocalPoPath   ||= $RT::LocalLexiconPath;
@@ -188,4 +190,4 @@ sub RTxInit {
 
 __END__
 
-#line 302
+#line 304
diff --git a/inc/Module/Install/Win32.pm b/inc/Module/Install/Win32.pm
index f2f99df..3139a63 100644
--- a/inc/Module/Install/Win32.pm
+++ b/inc/Module/Install/Win32.pm
@@ -6,7 +6,7 @@ use Module::Install::Base ();
 
 use vars qw{$VERSION @ISA $ISCORE};
 BEGIN {
-	$VERSION = '0.91';
+	$VERSION = '1.01';
 	@ISA     = 'Module::Install::Base';
 	$ISCORE  = 1;
 }
diff --git a/inc/Module/Install/WriteAll.pm b/inc/Module/Install/WriteAll.pm
index 12471e5..1f724a7 100644
--- a/inc/Module/Install/WriteAll.pm
+++ b/inc/Module/Install/WriteAll.pm
@@ -6,7 +6,7 @@ use Module::Install::Base ();
 
 use vars qw{$VERSION @ISA $ISCORE};
 BEGIN {
-	$VERSION = '0.91';;
+	$VERSION = '1.01';
 	@ISA     = qw{Module::Install::Base};
 	$ISCORE  = 1;
 }
@@ -26,7 +26,10 @@ sub WriteAll {
 
 	$self->check_nmake if $args{check_nmake};
 	unless ( $self->makemaker_args->{PL_FILES} ) {
-		$self->makemaker_args( PL_FILES => {} );
+		# XXX: This still may be a bit over-defensive...
+		unless ($self->makemaker(6.25)) {
+			$self->makemaker_args( PL_FILES => {} ) if -f 'Build.PL';
+		}
 	}
 
 	# Until ExtUtils::MakeMaker support MYMETA.yml, make sure

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