--- Makefile.orig	2018-08-27 16:51:29.000000000 +0200
+++ Makefile	2018-09-08 01:05:53.677140000 +0200
@@ -48,6 +48,8 @@
 PCRE_VARS=		BUILDCONF_PCRE=true
 PCRE_LIB_DEPENDS=	libpcre.so:devel/pcre
 
+PSGI_USES=		perl5
+
 XML_VARS=		BUILDCONF_XML=libxml2
 XML_LIB_DEPENDS=	libxml2.so:textproc/libxml2