use Scalar::Util qw(refaddr weaken);
use base 'Exporter';
-our @EXPORT_OK = qw(modver_gt_or_eq fail_on_internal_wantarray);
+our @EXPORT_OK = qw(sigwarn_silencer modver_gt_or_eq fail_on_internal_wantarray);
+
+sub sigwarn_silencer {
+ my $pattern = shift;
+
+ croak "Expecting a regexp" if ref $pattern ne 'Regexp';
+
+ my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) };
+
+ return sub { &$orig_sig_warn unless $_[0] =~ $pattern };
+}
sub modver_gt_or_eq {
my ($mod, $ver) = @_;
croak "Nonsensical minimum version supplied"
if ! defined $ver or $ver =~ /[^0-9\.\_]/;
- local $SIG{__WARN__} = do {
- my $orig_sig_warn = $SIG{__WARN__} || sub { warn @_ };
- sub {
- $orig_sig_warn->(@_) unless $_[0] =~ /\Qisn't numeric in subroutine entry/
- }
- } if SPURIOUS_VERSION_CHECK_WARNINGS;
+ local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ )
+ if SPURIOUS_VERSION_CHECK_WARNINGS;
local $@;
eval { $mod->VERSION($ver) } ? 1 : 0;