--- Mk/bsd.port.mk	(revision 305665)
+++ Mk/bsd.port.mk	(working copy)
@@ -1406,7 +1406,9 @@ 
 .include "${PORTSDIR}/Mk/bsd.gnustep.mk"
 .endif
 
+.if defined(USE_PERL5) || defined(USE_PERL5_BUILD) || defined(USE_PERL5_RUN) || defined(PERL_CONFIGURE) || defined(PERL_MODBUILD)
 .include "${PORTSDIR}/Mk/bsd.perl.mk"
+.endif
 
 .if defined(USE_PHP)
 .include "${PORTSDIR}/Mk/bsd.php.mk"