Index: net-mgmt/cnagios/Makefile
===================================================================
--- net-mgmt/cnagios/Makefile	(revision 496818)
+++ net-mgmt/cnagios/Makefile	(working copy)
@@ -2,7 +2,8 @@
 # $FreeBSD$
 
 PORTNAME=	cnagios
-PORTVERSION=	0.32
+PORTVERSION=	0.33
+PORTREVISION=	1
 CATEGORIES=	net-mgmt
 
 MAINTAINER=	danny@dannywarren.com
@@ -10,8 +11,16 @@
 
 LICENSE=	ISCL
 
-RUN_DEPENDS=	nagios>=3.0:net-mgmt/nagios
+FLAVORS=	nagios3 nagios4
 
+USES=		ncurses perl5
+
+nagios3_PKGNAMESUFFIX=	-nagios3
+nagios4_PKGNAMESUFFIX=	-nagios4
+
+nagios3_RUN_DEPENDS=	nagios>=3.0:net-mgmt/nagios
+nagios4_RUN_DEPENDS=	nagios4>=4.0:net-mgmt/nagios4
+
 USE_GITHUB=	yes
 GH_ACCOUNT=	dannywarren
 
@@ -22,7 +31,6 @@
 		--with-var-dir="${NAGIOSDIR}" \
 		--with-status-file="${NAGIOSDIR}/status.dat" \
 		--with-nagios-data=3
-USES=		ncurses perl5
 MAKE_ARGS=	LIBS="-lncurses"
 ALL_TARGET=	cnagios
 
Index: net-mgmt/cnagios/distinfo
===================================================================
--- net-mgmt/cnagios/distinfo	(revision 496818)
+++ net-mgmt/cnagios/distinfo	(working copy)
@@ -1,2 +1,3 @@
-SHA256 (dannywarren-cnagios-0.32_GH0.tar.gz) = cda69a094d8972364a0d9c25c9e6dd96f4c523adeeb4175806e864e1277f6a39
-SIZE (dannywarren-cnagios-0.32_GH0.tar.gz) = 81775
+TIMESTAMP = 1553276349
+SHA256 (dannywarren-cnagios-0.33_GH0.tar.gz) = 60b33cf582b5700582006de05570c5b32e24daa9f04235e61be4cd499fc25611
+SIZE (dannywarren-cnagios-0.33_GH0.tar.gz) = 82080
Index: net-mgmt/cnagios/pkg-descr
===================================================================
--- net-mgmt/cnagios/pkg-descr	(revision 496818)
+++ net-mgmt/cnagios/pkg-descr	(working copy)
@@ -1 +1,10 @@
 Curses-based interface for nagios.
+
+Flavours:
+
+nagios3 - RUN_PENDS will include net-mgmt/nagios
+nagios4 - RUN_PENDS will include net-mgmt/nagios4
+
+In both cases, the PKGNAME will be cnagios-${FLAVOR}
+
+WWW: https://github.com/dannywarren/cnagios