like( $warn, qr/Unknown discipline layer/,
'should warn about unknown discipline with bad discipline provided' );
-# now load a real-looking locale
-$ENV{LC_ALL} = ' .utf8';
-import( 'IN', 'locale' );
-is( ${^OPEN}, ":utf8\0",
- 'should set a valid locale layer' );
+SKIP: {
+ skip("no perlio, no :utf8", 1) unless $Config{useperlio};
+ # now load a real-looking locale
+ $ENV{LC_ALL} = ' .utf8';
+ import( 'IN', 'locale' );
+ is( ${^OPEN}, ":utf8\0",
+ 'should set a valid locale layer' );
+}
# and see if it sets the magic variables appropriately
import( 'IN', ':crlf' );