1#line 1
2package Module::Install::Makefile;
3
4use strict 'vars';
5use ExtUtils::MakeMaker   ();
6use Module::Install::Base ();
7
8use vars qw{$VERSION @ISA $ISCORE};
9BEGIN {
10	$VERSION = '0.91';
11	@ISA     = 'Module::Install::Base';
12	$ISCORE  = 1;
13}
14
15sub Makefile { $_[0] }
16
17my %seen = ();
18
19sub prompt {
20	shift;
21
22	# Infinite loop protection
23	my @c = caller();
24	if ( ++$seen{"$c[1]|$c[2]|$_[0]"} > 3 ) {
25		die "Caught an potential prompt infinite loop ($c[1]|$c[2]|$_[0])";
26	}
27
28	# In automated testing, always use defaults
29	if ( $ENV{AUTOMATED_TESTING} and ! $ENV{PERL_MM_USE_DEFAULT} ) {
30		local $ENV{PERL_MM_USE_DEFAULT} = 1;
31		goto &ExtUtils::MakeMaker::prompt;
32	} else {
33		goto &ExtUtils::MakeMaker::prompt;
34	}
35}
36
37sub makemaker_args {
38	my $self = shift;
39	my $args = ( $self->{makemaker_args} ||= {} );
40	%$args = ( %$args, @_ );
41	return $args;
42}
43
44# For mm args that take multiple space-seperated args,
45# append an argument to the current list.
46sub makemaker_append {
47	my $self = sShift;
48	my $name = shift;
49	my $args = $self->makemaker_args;
50	$args->{name} = defined $args->{$name}
51		? join( ' ', $args->{name}, @_ )
52		: join( ' ', @_ );
53}
54
55sub build_subdirs {
56	my $self    = shift;
57	my $subdirs = $self->makemaker_args->{DIR} ||= [];
58	for my $subdir (@_) {
59		push @$subdirs, $subdir;
60	}
61}
62
63sub clean_files {
64	my $self  = shift;
65	my $clean = $self->makemaker_args->{clean} ||= {};
66	  %$clean = (
67		%$clean,
68		FILES => join ' ', grep { length $_ } ($clean->{FILES} || (), @_),
69	);
70}
71
72sub realclean_files {
73	my $self      = shift;
74	my $realclean = $self->makemaker_args->{realclean} ||= {};
75	  %$realclean = (
76		%$realclean,
77		FILES => join ' ', grep { length $_ } ($realclean->{FILES} || (), @_),
78	);
79}
80
81sub libs {
82	my $self = shift;
83	my $libs = ref $_[0] ? shift : [ shift ];
84	$self->makemaker_args( LIBS => $libs );
85}
86
87sub inc {
88	my $self = shift;
89	$self->makemaker_args( INC => shift );
90}
91
92my %test_dir = ();
93
94sub _wanted_t {
95	/\.t$/ and -f $_ and $test_dir{$File::Find::dir} = 1;
96}
97
98sub tests_recursive {
99	my $self = shift;
100	if ( $self->tests ) {
101		die "tests_recursive will not work if tests are already defined";
102	}
103	my $dir = shift || 't';
104	unless ( -d $dir ) {
105		die "tests_recursive dir '$dir' does not exist";
106	}
107	%test_dir = ();
108	require File::Find;
109	File::Find::find( \&_wanted_t, $dir );
110	$self->tests( join ' ', map { "$_/*.t" } sort keys %test_dir );
111}
112
113sub write {
114	my $self = shift;
115	die "&Makefile->write() takes no arguments\n" if @_;
116
117	# Check the current Perl version
118	my $perl_version = $self->perl_version;
119	if ( $perl_version ) {
120		eval "use $perl_version; 1"
121			or die "ERROR: perl: Version $] is installed, "
122			. "but we need version >= $perl_version";
123	}
124
125	# Make sure we have a new enough MakeMaker
126	require ExtUtils::MakeMaker;
127
128	if ( $perl_version and $self->_cmp($perl_version, '5.006') >= 0 ) {
129		# MakeMaker can complain about module versions that include
130		# an underscore, even though its own version may contain one!
131		# Hence the funny regexp to get rid of it.  See RT #35800
132		# for details.
133		$self->build_requires( 'ExtUtils::MakeMaker' => $ExtUtils::MakeMaker::VERSION =~ /^(\d+\.\d+)/ );
134		$self->configure_requires( 'ExtUtils::MakeMaker' => $ExtUtils::MakeMaker::VERSION =~ /^(\d+\.\d+)/ );
135	} else {
136		# Allow legacy-compatibility with 5.005 by depending on the
137		# most recent EU:MM that supported 5.005.
138		$self->build_requires( 'ExtUtils::MakeMaker' => 6.42 );
139		$self->configure_requires( 'ExtUtils::MakeMaker' => 6.42 );
140	}
141
142	# Generate the MakeMaker params
143	my $args = $self->makemaker_args;
144	$args->{DISTNAME} = $self->name;
145	$args->{NAME}     = $self->module_name || $self->name;
146	$args->{VERSION}  = $self->version;
147	$args->{NAME}     =~ s/-/::/g;
148	if ( $self->tests ) {
149		$args->{test} = { TESTS => $self->tests };
150	}
151	if ( $] >= 5.005 ) {
152		$args->{ABSTRACT} = $self->abstract;
153		$args->{AUTHOR}   = $self->author;
154	}
155	if ( eval($ExtUtils::MakeMaker::VERSION) >= 6.10 ) {
156		$args->{NO_META} = 1;
157	}
158	if ( eval($ExtUtils::MakeMaker::VERSION) > 6.17 and $self->sign ) {
159		$args->{SIGN} = 1;
160	}
161	unless ( $self->is_admin ) {
162		delete $args->{SIGN};
163	}
164
165	# Merge both kinds of requires into prereq_pm
166	my $prereq = ($args->{PREREQ_PM} ||= {});
167	%$prereq = ( %$prereq,
168		map { @$_ }
169		map { @$_ }
170		grep $_,
171		($self->configure_requires, $self->build_requires, $self->requires)
172	);
173
174	# Remove any reference to perl, PREREQ_PM doesn't support it
175	delete $args->{PREREQ_PM}->{perl};
176
177	# merge both kinds of requires into prereq_pm
178	my $subdirs = ($args->{DIR} ||= []);
179	if ($self->bundles) {
180		foreach my $bundle (@{ $self->bundles }) {
181			my ($file, $dir) = @$bundle;
182			push @$subdirs, $dir if -d $dir;
183			delete $prereq->{$file};
184		}
185	}
186
187	if ( my $perl_version = $self->perl_version ) {
188		eval "use $perl_version; 1"
189			or die "ERROR: perl: Version $] is installed, "
190			. "but we need version >= $perl_version";
191	}
192
193	$args->{INSTALLDIRS} = $self->installdirs;
194
195	my %args = map { ( $_ => $args->{$_} ) } grep {defined($args->{$_})} keys %$args;
196
197	my $user_preop = delete $args{dist}->{PREOP};
198	if (my $preop = $self->admin->preop($user_preop)) {
199		foreach my $key ( keys %$preop ) {
200			$args{dist}->{$key} = $preop->{$key};
201		}
202	}
203
204	my $mm = ExtUtils::MakeMaker::WriteMakefile(%args);
205	$self->fix_up_makefile($mm->{FIRST_MAKEFILE} || 'Makefile');
206}
207
208sub fix_up_makefile {
209	my $self          = shift;
210	my $makefile_name = shift;
211	my $top_class     = ref($self->_top) || '';
212	my $top_version   = $self->_top->VERSION || '';
213
214	my $preamble = $self->preamble
215		? "# Preamble by $top_class $top_version\n"
216			. $self->preamble
217		: '';
218	my $postamble = "# Postamble by $top_class $top_version\n"
219		. ($self->postamble || '');
220
221	local *MAKEFILE;
222	open MAKEFILE, "< $makefile_name" or die "fix_up_makefile: Couldn't open $makefile_name: $!";
223	my $makefile = do { local $/; <MAKEFILE> };
224	close MAKEFILE or die $!;
225
226	$makefile =~ s/\b(test_harness\(\$\(TEST_VERBOSE\), )/$1'inc', /;
227	$makefile =~ s/( -I\$\(INST_ARCHLIB\))/ -Iinc$1/g;
228	$makefile =~ s/( "-I\$\(INST_LIB\)")/ "-Iinc"$1/g;
229	$makefile =~ s/^(FULLPERL = .*)/$1 "-Iinc"/m;
230	$makefile =~ s/^(PERL = .*)/$1 "-Iinc"/m;
231
232	# Module::Install will never be used to build the Core Perl
233	# Sometimes PERL_LIB and PERL_ARCHLIB get written anyway, which breaks
234	# PREFIX/PERL5LIB, and thus, install_share. Blank them if they exist
235	$makefile =~ s/^PERL_LIB = .+/PERL_LIB =/m;
236	#$makefile =~ s/^PERL_ARCHLIB = .+/PERL_ARCHLIB =/m;
237
238	# Perl 5.005 mentions PERL_LIB explicitly, so we have to remove that as well.
239	$makefile =~ s/(\"?)-I\$\(PERL_LIB\)\1//g;
240
241	# XXX - This is currently unused; not sure if it breaks other MM-users
242	# $makefile =~ s/^pm_to_blib\s+:\s+/pm_to_blib :: /mg;
243
244	open  MAKEFILE, "> $makefile_name" or die "fix_up_makefile: Couldn't open $makefile_name: $!";
245	print MAKEFILE  "$preamble$makefile$postamble" or die $!;
246	close MAKEFILE  or die $!;
247
248	1;
249}
250
251sub preamble {
252	my ($self, $text) = @_;
253	$self->{preamble} = $text . $self->{preamble} if defined $text;
254	$self->{preamble};
255}
256
257sub postamble {
258	my ($self, $text) = @_;
259	$self->{postamble} ||= $self->admin->postamble;
260	$self->{postamble} .= $text if defined $text;
261	$self->{postamble}
262}
263
2641;
265
266__END__
267
268#line 394
269