+ if (!defined $dbg) {
+ eval "
+ use lib qw{blib/arch};
+ require XSLoader;
+ XSLoader::load('Test::Valgrind', \$Test::Valgrind::VERSION);
+ ";
+ if ($@) {
+ my $err = $@;
+ $dbg = 0;
+ chomp $err;
+ diag "XS test code not available ($err)";
+ } else {
+ my $ret = eval "Test::Valgrind::DEBUGGING()";
+ $dbg = $@ ? 0 : $ret;
+ }
+ }