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Base.pm
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Base.pm
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# -*- mode: cperl; tab-width: 8; indent-tabs-mode: nil; basic-offset: 2 -*-
# vim:ts=8:sw=2:et:sta:sts=2
package Module::Build::Base;
use strict;
use vars qw($VERSION);
use warnings;
$VERSION = '0.4004';
$VERSION = eval $VERSION;
BEGIN { require 5.006001 }
use Carp;
use Cwd ();
use File::Copy ();
use File::Find ();
use File::Path ();
use File::Basename ();
use File::Spec 0.82 ();
use File::Compare ();
use Module::Build::Dumper ();
use IO::File ();
use Text::ParseWords ();
use Module::Build::ModuleInfo;
use Module::Build::Notes;
use Module::Build::Config;
use Module::Build::Version;
#################### Constructors ###########################
sub new {
my $self = shift()->_construct(@_);
$self->{invoked_action} = $self->{action} ||= 'Build_PL';
$self->cull_args(@ARGV);
die "Too early to specify a build action '$self->{action}'. Do 'Build $self->{action}' instead.\n"
if $self->{action} && $self->{action} ne 'Build_PL';
$self->check_manifest;
$self->auto_require;
# All checks must run regardless if one fails, so no short circuiting!
if( grep { !$_ } $self->check_prereq, $self->check_autofeatures ) {
$self->log_warn(<<EOF);
ERRORS/WARNINGS FOUND IN PREREQUISITES. You may wish to install the versions
of the modules indicated above before proceeding with this installation
EOF
unless (
$self->dist_name eq 'Module-Build' ||
$ENV{PERL5_CPANPLUS_IS_RUNNING} || $ENV{PERL5_CPAN_IS_RUNNING}
) {
$self->log_warn(
"Run 'Build installdeps' to install missing prerequisites.\n\n"
);
}
}
# record for later use in resume;
$self->{properties}{_added_to_INC} = [ $self->_added_to_INC ];
$self->set_bundle_inc;
$self->dist_name;
$self->dist_version;
$self->release_status;
$self->_guess_module_name unless $self->module_name;
$self->_find_nested_builds;
return $self;
}
sub resume {
my $package = shift;
my $self = $package->_construct(@_);
$self->read_config;
my @added_earlier = @{ $self->{properties}{_added_to_INC} || [] };
@INC = ($self->_added_to_INC, @added_earlier, $self->_default_INC);
# If someone called Module::Build->current() or
# Module::Build->new_from_context() and the correct class to use is
# actually a *subclass* of Module::Build, we may need to load that
# subclass here and re-delegate the resume() method to it.
unless ( UNIVERSAL::isa($package, $self->build_class) ) {
my $build_class = $self->build_class;
my $config_dir = $self->config_dir || '_build';
my $build_lib = File::Spec->catdir( $config_dir, 'lib' );
unshift( @INC, $build_lib );
unless ( $build_class->can('new') ) {
eval "require $build_class; 1" or die "Failed to re-load '$build_class': $@";
}
return $build_class->resume(@_);
}
unless ($self->_perl_is_same($self->{properties}{perl})) {
my $perl = $self->find_perl_interpreter;
die(<<"DIEFATAL");
* FATAL ERROR: Perl interpreter mismatch. Configuration was initially
created with '$self->{properties}{perl}'
but we are now using '$perl'. You must
run 'Build realclean' or 'make realclean' and re-configure.
DIEFATAL
}
$self->cull_args(@ARGV);
unless ($self->allow_mb_mismatch) {
my $mb_version = $Module::Build::VERSION;
if ( $mb_version ne $self->{properties}{mb_version} ) {
$self->log_warn(<<"MISMATCH");
* WARNING: Configuration was initially created with Module::Build
version '$self->{properties}{mb_version}' but we are now using version '$mb_version'.
If errors occur, you must re-run the Build.PL or Makefile.PL script.
MISMATCH
}
}
$self->{invoked_action} = $self->{action} ||= 'build';
return $self;
}
sub new_from_context {
my ($package, %args) = @_;
$package->run_perl_script('Build.PL',[],[$package->unparse_args(\%args)]);
return $package->resume;
}
sub current {
# hmm, wonder what the right thing to do here is
local @ARGV;
return shift()->resume;
}
sub _construct {
my ($package, %input) = @_;
my $args = delete $input{args} || {};
my $config = delete $input{config} || {};
my $self = bless {
args => {%$args},
config => Module::Build::Config->new(values => $config),
properties => {
base_dir => $package->cwd,
mb_version => $Module::Build::VERSION,
%input,
},
phash => {},
stash => {}, # temporary caching, not stored in _build
}, $package;
$self->_set_defaults;
my ($p, $ph) = ($self->{properties}, $self->{phash});
foreach (qw(notes config_data features runtime_params cleanup auto_features)) {
my $file = File::Spec->catfile($self->config_dir, $_);
$ph->{$_} = Module::Build::Notes->new(file => $file);
$ph->{$_}->restore if -e $file;
if (exists $p->{$_}) {
my $vals = delete $p->{$_};
while (my ($k, $v) = each %$vals) {
$self->$_($k, $v);
}
}
}
# The following warning could be unnecessary if the user is running
# an embedded perl, but there aren't too many of those around, and
# embedded perls aren't usually used to install modules, and the
# installation process sometimes needs to run external scripts
# (e.g. to run tests).
$p->{perl} = $self->find_perl_interpreter
or $self->log_warn("Warning: Can't locate your perl binary");
my $blibdir = sub { File::Spec->catdir($p->{blib}, @_) };
$p->{bindoc_dirs} ||= [ $blibdir->("script") ];
$p->{libdoc_dirs} ||= [ $blibdir->("lib"), $blibdir->("arch") ];
$p->{dist_author} = [ $p->{dist_author} ] if defined $p->{dist_author} and not ref $p->{dist_author};
# Synonyms
$p->{requires} = delete $p->{prereq} if defined $p->{prereq};
$p->{script_files} = delete $p->{scripts} if defined $p->{scripts};
# Convert to from shell strings to arrays
for ('extra_compiler_flags', 'extra_linker_flags') {
$p->{$_} = [ $self->split_like_shell($p->{$_}) ] if exists $p->{$_};
}
# Convert to arrays
for ('include_dirs') {
$p->{$_} = [ $p->{$_} ] if exists $p->{$_} && !ref $p->{$_}
}
$self->add_to_cleanup( @{delete $p->{add_to_cleanup}} )
if $p->{add_to_cleanup};
return $self;
}
################## End constructors #########################
sub log_info {
my $self = shift;
print @_ if ref($self) && ( $self->verbose || ! $self->quiet );
}
sub log_verbose {
my $self = shift;
print @_ if ref($self) && $self->verbose;
}
sub log_debug {
my $self = shift;
print @_ if ref($self) && $self->debug;
}
sub log_warn {
# Try to make our call stack invisible
shift;
if (@_ and $_[-1] !~ /\n$/) {
my (undef, $file, $line) = caller();
warn @_, " at $file line $line.\n";
} else {
warn @_;
}
}
# install paths must be generated when requested to be sure all changes
# to config (from various sources) are included
sub _default_install_paths {
my $self = shift;
my $c = $self->{config};
my $p = {};
my @libstyle = $c->get('installstyle') ?
File::Spec->splitdir($c->get('installstyle')) : qw(lib perl5);
my $arch = $c->get('archname');
my $version = $c->get('version');
my $bindoc = $c->get('installman1dir') || undef;
my $libdoc = $c->get('installman3dir') || undef;
my $binhtml = $c->get('installhtml1dir') || $c->get('installhtmldir') || undef;
my $libhtml = $c->get('installhtml3dir') || $c->get('installhtmldir') || undef;
$p->{install_sets} =
{
core => {
lib => $c->get('installprivlib'),
arch => $c->get('installarchlib'),
bin => $c->get('installbin'),
script => $c->get('installscript'),
bindoc => $bindoc,
libdoc => $libdoc,
binhtml => $binhtml,
libhtml => $libhtml,
},
site => {
lib => $c->get('installsitelib'),
arch => $c->get('installsitearch'),
bin => $c->get('installsitebin') || $c->get('installbin'),
script => $c->get('installsitescript') ||
$c->get('installsitebin') || $c->get('installscript'),
bindoc => $c->get('installsiteman1dir') || $bindoc,
libdoc => $c->get('installsiteman3dir') || $libdoc,
binhtml => $c->get('installsitehtml1dir') || $binhtml,
libhtml => $c->get('installsitehtml3dir') || $libhtml,
},
vendor => {
lib => $c->get('installvendorlib'),
arch => $c->get('installvendorarch'),
bin => $c->get('installvendorbin') || $c->get('installbin'),
script => $c->get('installvendorscript') ||
$c->get('installvendorbin') || $c->get('installscript'),
bindoc => $c->get('installvendorman1dir') || $bindoc,
libdoc => $c->get('installvendorman3dir') || $libdoc,
binhtml => $c->get('installvendorhtml1dir') || $binhtml,
libhtml => $c->get('installvendorhtml3dir') || $libhtml,
},
};
$p->{original_prefix} =
{
core => $c->get('installprefixexp') || $c->get('installprefix') ||
$c->get('prefixexp') || $c->get('prefix') || '',
site => $c->get('siteprefixexp'),
vendor => $c->get('usevendorprefix') ? $c->get('vendorprefixexp') : '',
};
$p->{original_prefix}{site} ||= $p->{original_prefix}{core};
# Note: you might be tempted to use $Config{installstyle} here
# instead of hard-coding lib/perl5, but that's been considered and
# (at least for now) rejected. `perldoc Config` has some wisdom
# about it.
$p->{install_base_relpaths} =
{
lib => ['lib', 'perl5'],
arch => ['lib', 'perl5', $arch],
bin => ['bin'],
script => ['bin'],
bindoc => ['man', 'man1'],
libdoc => ['man', 'man3'],
binhtml => ['html'],
libhtml => ['html'],
};
$p->{prefix_relpaths} =
{
core => {
lib => [@libstyle],
arch => [@libstyle, $version, $arch],
bin => ['bin'],
script => ['bin'],
bindoc => ['man', 'man1'],
libdoc => ['man', 'man3'],
binhtml => ['html'],
libhtml => ['html'],
},
vendor => {
lib => [@libstyle],
arch => [@libstyle, $version, $arch],
bin => ['bin'],
script => ['bin'],
bindoc => ['man', 'man1'],
libdoc => ['man', 'man3'],
binhtml => ['html'],
libhtml => ['html'],
},
site => {
lib => [@libstyle, 'site_perl'],
arch => [@libstyle, 'site_perl', $version, $arch],
bin => ['bin'],
script => ['bin'],
bindoc => ['man', 'man1'],
libdoc => ['man', 'man3'],
binhtml => ['html'],
libhtml => ['html'],
},
};
return $p
}
sub _find_nested_builds {
my $self = shift;
my $r = $self->recurse_into or return;
my ($file, @r);
if (!ref($r) && $r eq 'auto') {
local *DH;
opendir DH, $self->base_dir
or die "Can't scan directory " . $self->base_dir . " for nested builds: $!";
while (defined($file = readdir DH)) {
my $subdir = File::Spec->catdir( $self->base_dir, $file );
next unless -d $subdir;
push @r, $subdir if -e File::Spec->catfile( $subdir, 'Build.PL' );
}
}
$self->recurse_into(\@r);
}
sub cwd {
return Cwd::cwd();
}
sub _quote_args {
# Returns a string that can become [part of] a command line with
# proper quoting so that the subprocess sees this same list of args.
my ($self, @args) = @_;
my @quoted;
for (@args) {
if ( /^[^\s*?!\$<>;\\|'"\[\]\{\}]+$/ ) {
# Looks pretty safe
push @quoted, $_;
} else {
# XXX this will obviously have to improve - is there already a
# core module lying around that does proper quoting?
s/('+)/'"$1"'/g;
push @quoted, qq('$_');
}
}
return join " ", @quoted;
}
sub _backticks {
my ($self, @cmd) = @_;
if ($self->have_forkpipe) {
local *FH;
my $pid = open *FH, "-|";
if ($pid) {
return wantarray ? <FH> : join '', <FH>;
} else {
die "Can't execute @cmd: $!\n" unless defined $pid;
exec { $cmd[0] } @cmd;
}
} else {
my $cmd = $self->_quote_args(@cmd);
return `$cmd`;
}
}
# Tells us whether the construct open($fh, '-|', @command) is
# supported. It would probably be better to dynamically sense this.
sub have_forkpipe { 1 }
# Determine whether a given binary is the same as the perl
# (configuration) that started this process.
sub _perl_is_same {
my ($self, $perl) = @_;
my @cmd = ($perl);
# When run from the perl core, @INC will include the directories
# where perl is yet to be installed. We need to reference the
# absolute path within the source distribution where it can find
# it's Config.pm This also prevents us from picking up a Config.pm
# from a different configuration that happens to be already
# installed in @INC.
if ($ENV{PERL_CORE}) {
push @cmd, '-I' . File::Spec->catdir(File::Basename::dirname($perl), 'lib');
}
push @cmd, qw(-MConfig=myconfig -e print -e myconfig);
return $self->_backticks(@cmd) eq Config->myconfig;
}
# cache _discover_perl_interpreter() results
{
my $known_perl;
sub find_perl_interpreter {
my $self = shift;
return $known_perl if defined($known_perl);
return $known_perl = $self->_discover_perl_interpreter;
}
}
# Returns the absolute path of the perl interpreter used to invoke
# this process. The path is derived from $^X or $Config{perlpath}. On
# some platforms $^X contains the complete absolute path of the
# interpreter, on other it may contain a relative path, or simply
# 'perl'. This can also vary depending on whether a path was supplied
# when perl was invoked. Additionally, the value in $^X may omit the
# executable extension on platforms that use one. It's a fatal error
# if the interpreter can't be found because it can result in undefined
# behavior by routines that depend on it (generating errors or
# invoking the wrong perl.)
sub _discover_perl_interpreter {
my $proto = shift;
my $c = ref($proto) ? $proto->{config} : 'Module::Build::Config';
my $perl = $^X;
my $perl_basename = File::Basename::basename($perl);
my @potential_perls;
# Try 1, Check $^X for absolute path
push( @potential_perls, $perl )
if File::Spec->file_name_is_absolute($perl);
# Try 2, Check $^X for a valid relative path
my $abs_perl = File::Spec->rel2abs($perl);
push( @potential_perls, $abs_perl );
# Try 3, Last ditch effort: These two option use hackery to try to locate
# a suitable perl. The hack varies depending on whether we are running
# from an installed perl or an uninstalled perl in the perl source dist.
if ($ENV{PERL_CORE}) {
# Try 3.A, If we are in a perl source tree, running an uninstalled
# perl, we can keep moving up the directory tree until we find our
# binary. We wouldn't do this under any other circumstances.
# CBuilder is also in the core, so it should be available here
require ExtUtils::CBuilder;
my $perl_src = Cwd::realpath( ExtUtils::CBuilder->perl_src );
if ( defined($perl_src) && length($perl_src) ) {
my $uninstperl =
File::Spec->rel2abs(File::Spec->catfile( $perl_src, $perl_basename ));
push( @potential_perls, $uninstperl );
}
} else {
# Try 3.B, First look in $Config{perlpath}, then search the user's
# PATH. We do not want to do either if we are running from an
# uninstalled perl in a perl source tree.
push( @potential_perls, $c->get('perlpath') );
push( @potential_perls,
map File::Spec->catfile($_, $perl_basename), File::Spec->path() );
}
# Now that we've enumerated the potential perls, it's time to test
# them to see if any of them match our configuration, returning the
# absolute path of the first successful match.
my $exe = $c->get('exe_ext');
foreach my $thisperl ( @potential_perls ) {
if (defined $exe) {
$thisperl .= $exe unless $thisperl =~ m/$exe$/i;
}
if ( -f $thisperl && $proto->_perl_is_same($thisperl) ) {
return $thisperl;
}
}
# We've tried all alternatives, and didn't find a perl that matches
# our configuration. Throw an exception, and list alternatives we tried.
my @paths = map File::Basename::dirname($_), @potential_perls;
die "Can't locate the perl binary used to run this script " .
"in (@paths)\n";
}
# Adapted from IPC::Cmd::can_run()
sub find_command {
my ($self, $command) = @_;
if( File::Spec->file_name_is_absolute($command) ) {
return $self->_maybe_command($command);
} else {
for my $dir ( File::Spec->path ) {
my $abs = File::Spec->catfile($dir, $command);
return $abs if $abs = $self->_maybe_command($abs);
}
}
}
# Copied from ExtUtils::MM_Unix::maybe_command
sub _maybe_command {
my($self,$file) = @_;
return $file if -x $file && ! -d $file;
return;
}
sub _is_interactive {
return -t STDIN && (-t STDOUT || !(-f STDOUT || -c STDOUT)) ; # Pipe?
}
# NOTE this is a blocking operation if(-t STDIN)
sub _is_unattended {
my $self = shift;
return $ENV{PERL_MM_USE_DEFAULT} ||
( !$self->_is_interactive && eof STDIN );
}
sub _readline {
my $self = shift;
return undef if $self->_is_unattended;
my $answer = <STDIN>;
chomp $answer if defined $answer;
return $answer;
}
sub prompt {
my $self = shift;
my $mess = shift
or die "prompt() called without a prompt message";
# use a list to distinguish a default of undef() from no default
my @def;
@def = (shift) if @_;
# use dispdef for output
my @dispdef = scalar(@def) ?
('[', (defined($def[0]) ? $def[0] . ' ' : ''), ']') :
(' ', '');
local $|=1;
print "$mess ", @dispdef;
if ( $self->_is_unattended && !@def ) {
die <<EOF;
ERROR: This build seems to be unattended, but there is no default value
for this question. Aborting.
EOF
}
my $ans = $self->_readline();
if ( !defined($ans) # Ctrl-D or unattended
or !length($ans) ) { # User hit return
print "$dispdef[1]\n";
$ans = scalar(@def) ? $def[0] : '';
}
return $ans;
}
sub y_n {
my $self = shift;
my ($mess, $def) = @_;
die "y_n() called without a prompt message" unless $mess;
die "Invalid default value: y_n() default must be 'y' or 'n'"
if $def && $def !~ /^[yn]/i;
my $answer;
while (1) { # XXX Infinite or a large number followed by an exception ?
$answer = $self->prompt(@_);
return 1 if $answer =~ /^y/i;
return 0 if $answer =~ /^n/i;
local $|=1;
print "Please answer 'y' or 'n'.\n";
}
}
sub current_action { shift->{action} }
sub invoked_action { shift->{invoked_action} }
sub notes { shift()->{phash}{notes}->access(@_) }
sub config_data { shift()->{phash}{config_data}->access(@_) }
sub runtime_params { shift->{phash}{runtime_params}->read( @_ ? shift : () ) } # Read-only
sub auto_features { shift()->{phash}{auto_features}->access(@_) }
sub features {
my $self = shift;
my $ph = $self->{phash};
if (@_) {
my $key = shift;
if ($ph->{features}->exists($key)) {
return $ph->{features}->access($key, @_);
}
if (my $info = $ph->{auto_features}->access($key)) {
my $disabled;
for my $type ( @{$self->prereq_action_types} ) {
next if $type eq 'description' || $type eq 'recommends' || ! exists $info->{$type};
my $prereqs = $info->{$type};
for my $modname ( sort keys %$prereqs ) {
my $spec = $prereqs->{$modname};
my $status = $self->check_installed_status($modname, $spec);
if ((!$status->{ok}) xor ($type =~ /conflicts$/)) { return 0; }
if ( ! eval "require $modname; 1" ) { return 0; }
}
}
return 1;
}
return $ph->{features}->access($key, @_);
}
# No args - get the auto_features & overlay the regular features
my %features;
my %auto_features = $ph->{auto_features}->access();
while (my ($name, $info) = each %auto_features) {
my $failures = $self->prereq_failures($info);
my $disabled = grep( /^(?:\w+_)?(?:requires|conflicts)$/,
keys %$failures ) ? 1 : 0;
$features{$name} = $disabled ? 0 : 1;
}
%features = (%features, $ph->{features}->access());
return wantarray ? %features : \%features;
}
BEGIN { *feature = \&features } # Alias
sub _mb_feature {
my $self = shift;
if (($self->module_name || '') eq 'Module::Build') {
# We're building Module::Build itself, so ...::ConfigData isn't
# valid, but $self->features() should be.
return $self->feature(@_);
} else {
require Module::Build::ConfigData;
return Module::Build::ConfigData->feature(@_);
}
}
sub _warn_mb_feature_deps {
my $self = shift;
my $name = shift;
$self->log_warn(
"The '$name' feature is not available. Please install missing\n" .
"feature dependencies and try again.\n".
$self->_feature_deps_msg($name) . "\n"
);
}
sub add_build_element {
my ($self, $elem) = @_;
my $elems = $self->build_elements;
push @$elems, $elem unless grep { $_ eq $elem } @$elems;
}
sub ACTION_config_data {
my $self = shift;
return unless $self->has_config_data;
my $module_name = $self->module_name
or die "The config_data feature requires that 'module_name' be set";
my $notes_name = $module_name . '::ConfigData'; # TODO: Customize name ???
my $notes_pm = File::Spec->catfile($self->blib, 'lib', split /::/, "$notes_name.pm");
return if $self->up_to_date(['Build.PL',
$self->config_file('config_data'),
$self->config_file('features')
], $notes_pm);
$self->log_verbose("Writing config notes to $notes_pm\n");
File::Path::mkpath(File::Basename::dirname($notes_pm));
Module::Build::Notes->write_config_data
(
file => $notes_pm,
module => $module_name,
config_module => $notes_name,
config_data => scalar $self->config_data,
feature => scalar $self->{phash}{features}->access(),
auto_features => scalar $self->auto_features,
);
}
########################################################################
{ # enclosing these lexicals -- TODO
my %valid_properties = ( __PACKAGE__, {} );
my %additive_properties;
sub _mb_classes {
my $class = ref($_[0]) || $_[0];
return ($class, $class->mb_parents);
}
sub valid_property {
my ($class, $prop) = @_;
return grep exists( $valid_properties{$_}{$prop} ), $class->_mb_classes;
}
sub valid_properties {
return keys %{ shift->valid_properties_defaults() };
}
sub valid_properties_defaults {
my %out;
for my $class (reverse shift->_mb_classes) {
@out{ keys %{ $valid_properties{$class} } } = map {
$_->()
} values %{ $valid_properties{$class} };
}
return \%out;
}
sub array_properties {
for (shift->_mb_classes) {
return @{$additive_properties{$_}->{ARRAY}}
if exists $additive_properties{$_}->{ARRAY};
}
}
sub hash_properties {
for (shift->_mb_classes) {
return @{$additive_properties{$_}->{'HASH'}}
if exists $additive_properties{$_}->{'HASH'};
}
}
sub add_property {
my ($class, $property) = (shift, shift);
die "Property '$property' already exists"
if $class->valid_property($property);
my %p = @_ == 1 ? ( default => shift ) : @_;
my $type = ref $p{default};
$valid_properties{$class}{$property} =
$type eq 'CODE' ? $p{default} :
$type eq 'HASH' ? sub { return { %{ $p{default} } } } :
$type eq 'ARRAY'? sub { return [ @{ $p{default} } ] } :
sub { return $p{default} } ;
push @{$additive_properties{$class}->{$type}}, $property
if $type;
unless ($class->can($property)) {
# TODO probably should put these in a util package
my $sub = $type eq 'HASH'
? _make_hash_accessor($property, \%p)
: _make_accessor($property, \%p);
no strict 'refs';
*{"$class\::$property"} = $sub;
}
return $class;
}
sub property_error {
my $self = shift;
die 'ERROR: ', @_;
}
sub _set_defaults {
my $self = shift;
# Set the build class.
$self->{properties}{build_class} ||= ref $self;
# If there was no orig_dir, set to the same as base_dir
$self->{properties}{orig_dir} ||= $self->{properties}{base_dir};
my $defaults = $self->valid_properties_defaults;
foreach my $prop (keys %$defaults) {
$self->{properties}{$prop} = $defaults->{$prop}
unless exists $self->{properties}{$prop};
}
# Copy defaults for arrays any arrays.
for my $prop ($self->array_properties) {
$self->{properties}{$prop} = [@{$defaults->{$prop}}]
unless exists $self->{properties}{$prop};
}
# Copy defaults for arrays any hashes.
for my $prop ($self->hash_properties) {
$self->{properties}{$prop} = {%{$defaults->{$prop}}}
unless exists $self->{properties}{$prop};
}
}
} # end closure
########################################################################
sub _make_hash_accessor {
my ($property, $p) = @_;
my $check = $p->{check} || sub { 1 };
return sub {
my $self = shift;
# This is only here to deprecate the historic accident of calling
# properties as class methods - I suspect it only happens in our
# test suite.
unless(ref($self)) {
carp("\n$property not a class method (@_)");
return;
}
my $x = $self->{properties};
return $x->{$property} unless @_;
my $prop = $x->{$property};
if ( defined $_[0] && !ref $_[0] ) {
if ( @_ == 1 ) {
return exists $prop->{$_[0]} ? $prop->{$_[0]} : undef;
} elsif ( @_ % 2 == 0 ) {
my %new = (%{ $prop }, @_);
local $_ = \%new;
$x->{$property} = \%new if $check->($self);
return $x->{$property};
} else {
die "Unexpected arguments for property '$property'\n";
}
} else {
die "Unexpected arguments for property '$property'\n"
if defined $_[0] && ref $_[0] ne 'HASH';
local $_ = $_[0];
$x->{$property} = shift if $check->($self);
}
};
}
########################################################################
sub _make_accessor {
my ($property, $p) = @_;
my $check = $p->{check} || sub { 1 };
return sub {
my $self = shift;
# This is only here to deprecate the historic accident of calling
# properties as class methods - I suspect it only happens in our
# test suite.
unless(ref($self)) {
carp("\n$property not a class method (@_)");
return;
}
my $x = $self->{properties};
return $x->{$property} unless @_;
local $_ = $_[0];
$x->{$property} = shift if $check->($self);
return $x->{$property};
};
}
########################################################################
# Add the default properties.
__PACKAGE__->add_property(auto_configure_requires => 1);
__PACKAGE__->add_property(blib => 'blib');
__PACKAGE__->add_property(build_class => 'Module::Build');
__PACKAGE__->add_property(build_elements => [qw(PL support pm xs share_dir pod script)]);
__PACKAGE__->add_property(build_script => 'Build');
__PACKAGE__->add_property(build_bat => 0);
__PACKAGE__->add_property(bundle_inc => []);
__PACKAGE__->add_property(bundle_inc_preload => []);
__PACKAGE__->add_property(config_dir => '_build');
__PACKAGE__->add_property(dynamic_config => 1);
__PACKAGE__->add_property(include_dirs => []);
__PACKAGE__->add_property(license => 'unknown');
__PACKAGE__->add_property(metafile => 'META.yml');
__PACKAGE__->add_property(mymetafile => 'MYMETA.yml');
__PACKAGE__->add_property(metafile2 => 'META.json');
__PACKAGE__->add_property(mymetafile2 => 'MYMETA.json');
__PACKAGE__->add_property(recurse_into => []);
__PACKAGE__->add_property(use_rcfile => 1);
__PACKAGE__->add_property(create_packlist => 1);
__PACKAGE__->add_property(allow_mb_mismatch => 0);
__PACKAGE__->add_property(config => undef);
__PACKAGE__->add_property(test_file_exts => ['.t']);
__PACKAGE__->add_property(use_tap_harness => 0);
__PACKAGE__->add_property(cpan_client => 'cpan');
__PACKAGE__->add_property(tap_harness_args => {});
__PACKAGE__->add_property(
'installdirs',
default => 'site',
check => sub {
return 1 if /^(core|site|vendor)$/;
return shift->property_error(
$_ eq 'perl'
? 'Perhaps you meant installdirs to be "core" rather than "perl"?'
: 'installdirs must be one of "core", "site", or "vendor"'
);
return shift->property_error("Perhaps you meant 'core'?") if $_ eq 'perl';
return 0;
},
);
{
__PACKAGE__->add_property(html_css => '');
}
{
my @prereq_action_types = qw(requires build_requires test_requires conflicts recommends);
foreach my $type (@prereq_action_types) {
__PACKAGE__->add_property($type => {});
}
__PACKAGE__->add_property(prereq_action_types => \@prereq_action_types);
}
__PACKAGE__->add_property($_ => {}) for qw(
get_options
install_base_relpaths
install_path
install_sets
meta_add
meta_merge
original_prefix
prefix_relpaths
configure_requires
);
__PACKAGE__->add_property($_) for qw(
PL_files
autosplit
base_dir
bindoc_dirs
c_source
create_license
create_makefile_pl
create_readme
debugger
destdir
dist_abstract
dist_author
dist_name
dist_suffix
dist_version
dist_version_from
extra_compiler_flags
extra_linker_flags
has_config_data
install_base
libdoc_dirs
magic_number
mb_version
module_name
needs_compiler
orig_dir
perl
pm_files
pod_files
pollute
prefix
program_name
quiet
recursive_test_files
release_status
script_files