Add sharedir support

lib/ExtUtils/MM_Any.pm

@@ -1852,7 +1852,7 @@ sub special_targets {
     my $make_frag = <<'MAKE_FRAG';
 .SUFFIXES : .xs .c .C .cpp .i .s .cxx .cc $(OBJ_EXT)
 
-.PHONY: all config static dynamic test linkext manifest blibdirs clean realclean disttest distdir pure_all subdirs clean_subdirs makemakerdflt manifypods realclean_subdirs subdirs_dynamic subdirs_pure_nolink subdirs_static subdirs-test_dynamic subdirs-test_static test_dynamic test_static
+.PHONY: all config static dynamic test linkext manifest blibdirs clean realclean disttest distdir pure_all subdirs clean_subdirs makemakerdflt manifypods realclean_subdirs subdirs_dynamic subdirs_pure_nolink subdirs_static subdirs-test_dynamic subdirs-test_static test_dynamic test_static sharedir
 
 MAKE_FRAG
 
@@ -1935,6 +1935,8 @@ sub init_INST {
     $self->{INST_ARCHAUTODIR} = $self->catdir('$(INST_ARCHLIB)', 'auto',
                                               '$(FULLEXT)');
 
+    $self->{INST_SHARE}   ||= $self->catdir('$(INST_LIB)', 'auto', 'share');
+
     $self->{INST_SCRIPT}  ||= $self->catdir($Curdir,'blib','script');
 
     $self->{INST_MAN1DIR} ||= $self->catdir($Curdir,'blib','man1');
@@ -2969,6 +2971,37 @@ sub postamble {
     "";
 }
 
+sub sharedir {
+	my ($self, %share) = @_;
+	return '' unless %share;
+
+	my %files;
+	$self->_sharedir_find_files(\%files, $share{dist}, [qw/ $(INST_SHARE) dist $(DISTNAME) /], \%share) if $share{dist};
+	for my $module (keys %{ $share{module} || {} }) {
+		my $destination = [ qw/$(INST_SHARE) module/, $module ];
+		$self->_sharedir_find_files(\%files, $share{module}{$module}, $destination, \%share);
+	}
+	my $pm_to_blib = $self->oneliner(q{pm_to_blib({@ARGV}, '$(INST_LIB)')}, ['-MExtUtils::Install']);
+	return "\npure_all :: sharedir\n\nsharedir : \n" . join '', map { "\t\$(NOECHO) $_\n" } $self->split_command($pm_to_blib, %files);
+}
+
+sub _sharedir_find_files {
+	my ($self, $files, $source, $sink, $options) = @_;
+	File::Find::find({
+		wanted => sub {
+			if (-d) {
+				$File::Find::prune = 1 if $options->{skip_dotdir} && /^\./;
+				return;
+			}
+			return if $options->{skip_dotfile} && /^\./;
+			my $file = $self->abs2rel($_, $source);
+			$files->{$_} = $self->catfile(@{$sink}, $file);
+		},
+		no_chdir => 1,
+	}, $source);
+	return;
+}
+
 =begin private
 
 =head3 _PREREQ_PRINT

lib/ExtUtils/MM_Unix.pm

@@ -510,6 +510,7 @@ INST_ARCHLIBDIR  = $self->{INST_ARCHLIBDIR}
 
 INST_AUTODIR     = $self->{INST_AUTODIR}
 INST_ARCHAUTODIR = $self->{INST_ARCHAUTODIR}
+INST_SHARE       = $self->{INST_SHARE}
 
 INST_STATIC      = $self->{INST_STATIC}
 INST_DYNAMIC     = $self->{INST_DYNAMIC}

lib/ExtUtils/MakeMaker.pm

@@ -129,6 +129,7 @@ my %Special_Sigs = (
  macro      => 'HASH',
  postamble  => 'HASH',
  realclean  => 'HASH',
+ sharedir   => 'HASH',
  test       => 'HASH',
  tool_autosplit => 'HASH',
 );
@@ -351,7 +352,7 @@ sub full_setup {
  makemakerdflt
 
  dist macro depend cflags const_loadlibs const_cccmd
- post_constants
+ post_constants sharedir
 
  pasthru
 
@@ -3033,6 +3034,16 @@ L<MY::postamble()|ExtUtils::MM_Any/postamble (o)> if you have one.
 
   {FILES => '$(INST_ARCHAUTODIR)/*.xyz'}
 
+=item sharedir
+
+This sets the sharedirs to install.
+
+  {dist => 'share', module => { Foo => 'foo', ... }}
+
+The C<dist> key sets the source for the dist specific sharedir content. The
+C<module> key is a hash mapping module names to their specific sharedir. The
+keys C<skip_dotdir> and C<skip_dotfile> will make it skip dot-directories
+
 =item test
 
 Specify the targets for testing.

t/sharedir.t

@@ -0,0 +1,101 @@
+use strict;
+use warnings;
+
+use Test::More tests => 6;
+use File::Temp 'tempdir';
+
+use File::Spec::Functions qw/catfile catdir/;
+use File::Path 'mkpath';
+use Cwd 'cwd';
+
+use IPC::Open3;
+use Symbol 'gensym';
+use Env qw(@PERL5LIB $PERL_MM_OPT);
+
+# ABSTRACT: Test basic behaviour
+
+my $install = tempdir();
+my $pwd     = cwd;
+
+# Make sure install target is prepped.
+unshift @PERL5LIB, $install, catdir($pwd, 'lib');
+$PERL_MM_OPT = "INSTALL_BASE=$install";
+
+# Prep the source tree
+my $source = tempdir();
+
+mkdir catdir($source, 'lib');
+spew(catfile($source, 'lib', 'TestDist.pm'), "package TestDist;\n\$VERSION = '1.000';\n1;\n");
+
+my $share = catdir($source, 'share');
+my $dotdir = catdir($share, qw/dots .dotdir/);
+
+mkpath($dotdir);
+spew(catfile($dotdir, 'normalfile'), 'This is a normal file');
+spew(catfile($dotdir, '.dotfile'), 'This is a dotfile');
+spew(catfile($share, 'dots', '.dotfile'), 'This is a dotfile');
+spew(catfile($share, 'normalfile'), 'This is a normal file');
+
+spew(catfile($source, 'Makefile.PL'), <<'MAKEFILE');
+use strict;
+use warnings;
+
+use ExtUtils::MakeMaker;
+
+my %Args = (
+  ABSTRACT => "Test Module",
+  DISTNAME => "TestDist",
+  NAME => "TestDist",
+  PREREQ_PM => {},
+  sharedir => {
+    dist => 'share',
+  },
+);
+
+WriteMakefile(%Args);
+
+MAKEFILE
+
+chdir $source;
+END { chdir $pwd }
+
+sub run_ok {
+    my (@command) = @_;
+    my $desc = join ' ', @command;
+    local $Test::Builder::Level = $Test::Builder::Level + 1;
+
+    my ($inh, $outh, $errh) = (undef, undef, gensym);
+    my $pid = open3($inh, $outh, $errh, @command) or do {
+        fail "Command $desc: $!";
+        return;
+    };
+    close $inh;
+
+    my $out = do { local $/; <$outh> };
+    my $err = do { local $/; <$errh> };
+
+    waitpid $pid, 0 or die 'Couldn\'t waitpid';
+    return cmp_ok( $?, '==', 0, "Command $desc" ) || note explain { 'stdout' => $out, 'stderr' => $err, exit => $? }
+}
+
+# Testing happens here:
+SKIP: {
+    run_ok($^X, 'Makefile.PL');
+    run_ok('make');
+    run_ok('make', 'install');
+
+	my $dir = catdir($install, qw/lib perl5 auto share dist TestDist/);
+	ok(-d $dir, 'Sharedir has been created') or diag $dir;
+	open my $fh, '<', 'Makefile';
+	diag <$fh>;
+	ok(-e catfile($dir, 'normalfile'), 'File in sharedir has been created');
+    ok(-e catfile($dir, qw/dots .dotdir .dotfile/), 'A dotfile in a dotdir installed');
+}
+
+sub spew {
+	my ($filename, $content) = @_;
+	open my $fh, '>', $filename or die "Couldn't open $filename: $!";
+	print $fh $content or die "Couldn't write to $filename: $!";
+	close $fh or die "Couldn't close $filename: $!";
+	return;
+}