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 = '0.93';
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
37# Store a cleaned up version of the MakeMaker version,
38# since we need to behave differently in a variety of
39# ways based on the MM version.
40my $makemaker = eval $ExtUtils::MakeMaker::VERSION;
41
42# If we are passed a param, do a "newer than" comparison.
43# Otherwise, just return the MakeMaker version.
44sub makemaker {
45	( @_ < 2 or $makemaker >= eval($_[1]) ) ? $makemaker : 0
46}
47
48sub makemaker_args {
49	my $self = shift;
50	my $args = ( $self->{makemaker_args} ||= {} );
51	%$args = ( %$args, @_ );
52	return $args;
53}
54
55# For mm args that take multiple space-seperated args,
56# append an argument to the current list.
57sub makemaker_append {
58	my $self = shift;
59	my $name = shift;
60	my $args = $self->makemaker_args;
61	$args->{name} = defined $args->{$name}
62		? join( ' ', $args->{name}, @_ )
63		: join( ' ', @_ );
64}
65
66sub build_subdirs {
67	my $self    = shift;
68	my $subdirs = $self->makemaker_args->{DIR} ||= [];
69	for my $subdir (@_) {
70		push @$subdirs, $subdir;
71	}
72}
73
74sub clean_files {
75	my $self  = shift;
76	my $clean = $self->makemaker_args->{clean} ||= {};
77	  %$clean = (
78		%$clean,
79		FILES => join ' ', grep { length $_ } ($clean->{FILES} || (), @_),
80	);
81}
82
83sub realclean_files {
84	my $self      = shift;
85	my $realclean = $self->makemaker_args->{realclean} ||= {};
86	  %$realclean = (
87		%$realclean,
88		FILES => join ' ', grep { length $_ } ($realclean->{FILES} || (), @_),
89	);
90}
91
92sub libs {
93	my $self = shift;
94	my $libs = ref $_[0] ? shift : [ shift ];
95	$self->makemaker_args( LIBS => $libs );
96}
97
98sub inc {
99	my $self = shift;
100	$self->makemaker_args( INC => shift );
101}
102
103my %test_dir = ();
104
105sub _wanted_t {
106	/\.t$/ and -f $_ and $test_dir{$File::Find::dir} = 1;
107}
108
109sub tests_recursive {
110	my $self = shift;
111	if ( $self->tests ) {
112		die "tests_recursive will not work if tests are already defined";
113	}
114	my $dir = shift || 't';
115	unless ( -d $dir ) {
116		die "tests_recursive dir '$dir' does not exist";
117	}
118	%test_dir = ();
119	require File::Find;
120	File::Find::find( \&_wanted_t, $dir );
121	if ( -d 'xt' and ($ENV{RELEASE_TESTING} or $self->author) ) {
122		File::Find::find( \&_wanted_t, 'xt' );
123	}
124	$self->tests( join ' ', map { "$_/*.t" } sort keys %test_dir );
125}
126
127sub write {
128	my $self = shift;
129	die "&Makefile->write() takes no arguments\n" if @_;
130
131	# Check the current Perl version
132	my $perl_version = $self->perl_version;
133	if ( $perl_version ) {
134		eval "use $perl_version; 1"
135			or die "ERROR: perl: Version $] is installed, "
136			. "but we need version >= $perl_version";
137	}
138
139	# Make sure we have a new enough MakeMaker
140	require ExtUtils::MakeMaker;
141
142	if ( $perl_version and $self->_cmp($perl_version, '5.006') >= 0 ) {
143		# MakeMaker can complain about module versions that include
144		# an underscore, even though its own version may contain one!
145		# Hence the funny regexp to get rid of it.  See RT #35800
146		# for details.
147		my $v = $ExtUtils::MakeMaker::VERSION =~ /^(\d+\.\d+)/;
148		$self->build_requires(     'ExtUtils::MakeMaker' => $v );
149		$self->configure_requires( 'ExtUtils::MakeMaker' => $v );
150	} else {
151		# Allow legacy-compatibility with 5.005 by depending on the
152		# most recent EU:MM that supported 5.005.
153		$self->build_requires(     'ExtUtils::MakeMaker' => 6.42 );
154		$self->configure_requires( 'ExtUtils::MakeMaker' => 6.42 );
155	}
156
157	# Generate the MakeMaker params
158	my $args = $self->makemaker_args;
159	$args->{DISTNAME} = $self->name;
160	$args->{NAME}     = $self->module_name || $self->name;
161	$args->{VERSION}  = $self->version;
162	$args->{NAME}     =~ s/-/::/g;
163	$DB::single = 1;
164	if ( $self->tests ) {
165		$args->{test} = { TESTS => $self->tests };
166	} elsif ( -d 'xt' and ($self->author or $ENV{RELEASE_TESTING}) ) {
167		$args->{test} = {
168			TESTS => join( ' ', map { "$_/*.t" } grep { -d $_ } qw{ t xt } ),
169		};
170	}
171	if ( $] >= 5.005 ) {
172		$args->{ABSTRACT} = $self->abstract;
173		$args->{AUTHOR}   = $self->author;
174	}
175	if ( $self->makemaker(6.10) ) {
176		$args->{NO_META}   = 1;
177		#$args->{NO_MYMETA} = 1;
178	}
179	if ( $self->makemaker(6.17) and $self->sign ) {
180		$args->{SIGN} = 1;
181	}
182	unless ( $self->is_admin ) {
183		delete $args->{SIGN};
184	}
185
186	my $prereq = ($args->{PREREQ_PM} ||= {});
187	%$prereq = ( %$prereq,
188		map { @$_ } # flatten [module => version]
189		map { @$_ }
190		grep $_,
191		($self->requires)
192	);
193
194	# Remove any reference to perl, PREREQ_PM doesn't support it
195	delete $args->{PREREQ_PM}->{perl};
196
197	# Merge both kinds of requires into BUILD_REQUIRES
198	my $build_prereq = ($args->{BUILD_REQUIRES} ||= {});
199	%$build_prereq = ( %$build_prereq,
200		map { @$_ } # flatten [module => version]
201		map { @$_ }
202		grep $_,
203		($self->configure_requires, $self->build_requires)
204	);
205
206	# Remove any reference to perl, BUILD_REQUIRES doesn't support it
207	delete $args->{BUILD_REQUIRES}->{perl};
208
209	# Delete bundled dists from prereq_pm
210	my $subdirs = ($args->{DIR} ||= []);
211	if ($self->bundles) {
212		foreach my $bundle (@{ $self->bundles }) {
213			my ($file, $dir) = @$bundle;
214			push @$subdirs, $dir if -d $dir;
215			delete $build_prereq->{$file}; #Delete from build prereqs only
216		}
217	}
218
219	unless ( $self->makemaker('6.55_03') ) {
220		%$prereq = (%$prereq,%$build_prereq);
221		delete $args->{BUILD_REQUIRES};
222	}
223
224	if ( my $perl_version = $self->perl_version ) {
225		eval "use $perl_version; 1"
226			or die "ERROR: perl: Version $] is installed, "
227			. "but we need version >= $perl_version";
228
229		if ( $self->makemaker(6.48) ) {
230			$args->{MIN_PERL_VERSION} = $perl_version;
231		}
232	}
233
234	$args->{INSTALLDIRS} = $self->installdirs;
235
236	my %args = map { ( $_ => $args->{$_} ) } grep {defined($args->{$_})} keys %$args;
237
238	my $user_preop = delete $args{dist}->{PREOP};
239	if (my $preop = $self->admin->preop($user_preop)) {
240		foreach my $key ( keys %$preop ) {
241			$args{dist}->{$key} = $preop->{$key};
242		}
243	}
244
245	my $mm = ExtUtils::MakeMaker::WriteMakefile(%args);
246	$self->fix_up_makefile($mm->{FIRST_MAKEFILE} || 'Makefile');
247}
248
249sub fix_up_makefile {
250	my $self          = shift;
251	my $makefile_name = shift;
252	my $top_class     = ref($self->_top) || '';
253	my $top_version   = $self->_top->VERSION || '';
254
255	my $preamble = $self->preamble
256		? "# Preamble by $top_class $top_version\n"
257			. $self->preamble
258		: '';
259	my $postamble = "# Postamble by $top_class $top_version\n"
260		. ($self->postamble || '');
261
262	local *MAKEFILE;
263	open MAKEFILE, "< $makefile_name" or die "fix_up_makefile: Couldn't open $makefile_name: $!";
264	my $makefile = do { local $/; <MAKEFILE> };
265	close MAKEFILE or die $!;
266
267	$makefile =~ s/\b(test_harness\(\$\(TEST_VERBOSE\), )/$1'inc', /;
268	$makefile =~ s/( -I\$\(INST_ARCHLIB\))/ -Iinc$1/g;
269	$makefile =~ s/( "-I\$\(INST_LIB\)")/ "-Iinc"$1/g;
270	$makefile =~ s/^(FULLPERL = .*)/$1 "-Iinc"/m;
271	$makefile =~ s/^(PERL = .*)/$1 "-Iinc"/m;
272
273	# Module::Install will never be used to build the Core Perl
274	# Sometimes PERL_LIB and PERL_ARCHLIB get written anyway, which breaks
275	# PREFIX/PERL5LIB, and thus, install_share. Blank them if they exist
276	$makefile =~ s/^PERL_LIB = .+/PERL_LIB =/m;
277	#$makefile =~ s/^PERL_ARCHLIB = .+/PERL_ARCHLIB =/m;
278
279	# Perl 5.005 mentions PERL_LIB explicitly, so we have to remove that as well.
280	$makefile =~ s/(\"?)-I\$\(PERL_LIB\)\1//g;
281
282	# XXX - This is currently unused; not sure if it breaks other MM-users
283	# $makefile =~ s/^pm_to_blib\s+:\s+/pm_to_blib :: /mg;
284
285	open  MAKEFILE, "> $makefile_name" or die "fix_up_makefile: Couldn't open $makefile_name: $!";
286	print MAKEFILE  "$preamble$makefile$postamble" or die $!;
287	close MAKEFILE  or die $!;
288
289	1;
290}
291
292sub preamble {
293	my ($self, $text) = @_;
294	$self->{preamble} = $text . $self->{preamble} if defined $text;
295	$self->{preamble};
296}
297
298sub postamble {
299	my ($self, $text) = @_;
300	$self->{postamble} ||= $self->admin->postamble;
301	$self->{postamble} .= $text if defined $text;
302	$self->{postamble}
303}
304
3051;
306
307__END__
308
309#line 435
310