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Makefile.PL  view on Meta::CPAN

    NAME               => 'Alien-LibANN',
    CONFIGURE_REQUIRES => {
        'File::Spec'   => 0,
        'Archive::Tar' => 0,
        'IO::Zlib'     => 0,
    },
    VERSION => $VERSION,
);

print "Everything ready, now type 'make'\n";

sub extract {
    my ( $archive, $destination ) = @_;

    eval {
        require Archive::Tar;
        chdir File::Spec->catfile( $CWD, 'src' );
        print "Unpacking $archive\n";
        Archive::Tar->extract_archive( $archive, 1 );
    };

    chdir $CWD;

    if ($@) {
        print STDERR "Failed to extract file $archive\n";
        exit 0;
    }
}

sub run_configure {
    my ( $name, $destination ) = @_;

    my $prefix = prompt( "Where would you like to install ${name}?", "/usr/local" );
    my $configure_args = '';
    $configure_args .= "--prefix=$prefix " if $prefix;

    $configure_args .= prompt("Are there any other arguments you would like to pass to configure?");

    print "\n$name will be configured with the following arguments:\n", "  $configure_args\n";

    chdir $destination;

    local $ENV{CFLAGS}  = $CCFLAGS;
    local $ENV{LDFLAGS} = $LDFLAGS;
    my @cmd = ( File::Spec->catfile( $destination, "configure" ), split( /\s+/, $configure_args ) );
    if ( system(@cmd) != 0 ) {
        print <<EOF;
configure $configure_args failed: $!
    Something went wrong with the $name configuration.
    You should correct it and re-run Makefile.PL.
EOF
        chdir $CWD;
        exit 0;
    }
    chdir $CWD;
}

package MY;

sub top_targets {
    my $inherited = shift->SUPER::top_targets(@_);
    return $inherited unless $install_libann;
    $inherited =~ s/^all :: /all :: libANN /;
    return $inherited;
}

sub constants {
    my $inherited = shift->SUPER::constants(@_);
    return $inherited unless $install_libann;
    $inherited .= "LIBANN_SRC=$SRC\n";
    return $inherited;
}

sub postamble {
    my $make_str = '';

    return $make_str unless $install_libann;

    $make_str = <<'MAKE_FRAG';

libANN:
	cd $(LIBANN_SRC) && $(MAKE) all

install::
	cd $(LIBANN_SRC) && $(MAKE) install

MAKE_FRAG

    return $make_str;
}