--- dns/bind916/Makefile.orig	2021-06-11 20:22:53.000000000 +0700
+++ dns/bind916/Makefile	2021-06-11 20:56:42.778392000 +0700
@@ -32,8 +32,7 @@
 LICENSE=	MPL20
 LICENSE_FILE=	${WRKSRC}/COPYRIGHT
 
-LIB_DEPENDS=	libuv.so:devel/libuv \
-		libxml2.so:textproc/libxml2
+LIB_DEPENDS=	libuv.so:devel/libuv
 .if !defined(BIND_TOOLS_SLAVE)
 RUN_DEPENDS=	bind-tools>0:dns/bind-tools
 .endif
@@ -53,7 +52,6 @@
 		--localstatedir=/var \
 		--sysconfdir=${ETCDIR} \
 		--with-dlopen=yes \
-		--with-libxml2 \
 		--with-openssl=${OPENSSLBASE} \
 		--with-readline="-L${LOCALBASE}/lib -ledit"
 ETCDIR=		${PREFIX}/etc/namedb
@@ -73,9 +71,9 @@
 
 MAKE_JOBS_UNSAFE=	yes
 
-OPTIONS_DEFAULT=	DLZ_FILESYSTEM GSSAPI_NONE IDN JSON LMDB PYTHON \
+OPTIONS_DEFAULT=	DLZ_FILESYSTEM GSSAPI_NONE IDN JSON LIBXML2 LMDB PYTHON \
 			TCP_FASTOPEN MANPAGES DNSTAP
-OPTIONS_DEFINE=		DNSTAP DOCS FIXED_RRSET GEOIP IDN JSON LARGE_FILE LMDB \
+OPTIONS_DEFINE=		DNSTAP DOCS FIXED_RRSET GEOIP IDN JSON LIBXML2 LARGE_FILE LMDB \
 			OVERRIDECACHE PORTREVISION PYTHON QUERYTRACE \
 			START_LATE TCP_FASTOPEN MANPAGES
 
@@ -175,6 +173,9 @@
 
 LARGE_FILE_CONFIGURE_ENABLE=	largefile
 
+LIBXML2_CONFIGURE_WITH=	libxml2
+LIBXML2_LIB_DEPENDS=	libxml2.so:textproc/libxml2
+
 LMDB_CONFIGURE_WITH=	lmdb=${LOCALBASE}
 LMDB_LIB_DEPENDS=	liblmdb.so:databases/lmdb