Index: head/comms/libmodbus/Makefile
===================================================================
--- head/comms/libmodbus/Makefile	(revision 421488)
+++ head/comms/libmodbus/Makefile	(revision 421489)
@@ -1,19 +1,21 @@
 # $FreeBSD$
 
 PORTNAME=	libmodbus
-PORTVERSION=	3.1.1
-PORTREVISION=	1
+PORTVERSION=	3.1.4
 CATEGORIES=	comms
 MASTER_SITES=	http://libmodbus.org/site_media/build/
 
 MAINTAINER=	bsam@FreeBSD.org
 COMMENT=	Modbus library
 
 LICENSE=	LGPL21
+
+BUILD_DEPENDS=	a2x:textproc/asciidoc \
+		xmlto:textproc/xmlto
 
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
 USES=		gmake libtool pathfix
 INSTALL_TARGET=	install-strip
 
 .include <bsd.port.mk>
Index: head/comms/libmodbus/distinfo
===================================================================
--- head/comms/libmodbus/distinfo	(revision 421488)
+++ head/comms/libmodbus/distinfo	(revision 421489)
@@ -1,2 +1,3 @@
-SHA256 (libmodbus-3.1.1.tar.gz) = 76d93aff749d6029f81dcf1fb3fd6abe10c9b48d376f3a03a4f41c5197c95c99
-SIZE (libmodbus-3.1.1.tar.gz) = 595100
+TIMESTAMP = 1464558272
+SHA256 (libmodbus-3.1.4.tar.gz) = c8c862b0e9a7ba699a49bc98f62bdffdfafd53a5716c0e162696b4bf108d3637
+SIZE (libmodbus-3.1.4.tar.gz) = 471576
Index: head/comms/libmodbus/pkg-plist
===================================================================
--- head/comms/libmodbus/pkg-plist	(revision 421488)
+++ head/comms/libmodbus/pkg-plist	(revision 421489)
@@ -1,59 +1,57 @@
-include/libmodbus/modbus.h
 include/modbus/modbus-rtu.h
 include/modbus/modbus-tcp.h
 include/modbus/modbus-version.h
 include/modbus/modbus.h
 lib/libmodbus.so
 lib/libmodbus.so.5
 lib/libmodbus.so.5.1.0
 libdata/pkgconfig/libmodbus.pc
 man/man3/modbus_close.3.gz
 man/man3/modbus_connect.3.gz
 man/man3/modbus_flush.3.gz
 man/man3/modbus_free.3.gz
 man/man3/modbus_get_byte_from_bits.3.gz
 man/man3/modbus_get_byte_timeout.3.gz
 man/man3/modbus_get_float.3.gz
 man/man3/modbus_get_float_dcba.3.gz
 man/man3/modbus_get_header_length.3.gz
 man/man3/modbus_get_response_timeout.3.gz
 man/man3/modbus_get_socket.3.gz
 man/man3/modbus_mapping_free.3.gz
 man/man3/modbus_mapping_new.3.gz
 man/man3/modbus_mask_write_register.3.gz
 man/man3/modbus_new_rtu.3.gz
 man/man3/modbus_new_tcp.3.gz
 man/man3/modbus_new_tcp_pi.3.gz
 man/man3/modbus_read_bits.3.gz
 man/man3/modbus_read_input_bits.3.gz
 man/man3/modbus_read_input_registers.3.gz
 man/man3/modbus_read_registers.3.gz
 man/man3/modbus_receive.3.gz
 man/man3/modbus_receive_confirmation.3.gz
-man/man3/modbus_receive_from.3.gz
 man/man3/modbus_reply.3.gz
 man/man3/modbus_reply_exception.3.gz
 man/man3/modbus_report_slave_id.3.gz
 man/man3/modbus_rtu_get_rts.3.gz
 man/man3/modbus_rtu_get_serial_mode.3.gz
 man/man3/modbus_rtu_set_rts.3.gz
 man/man3/modbus_rtu_set_serial_mode.3.gz
 man/man3/modbus_send_raw_request.3.gz
 man/man3/modbus_set_bits_from_byte.3.gz
 man/man3/modbus_set_bits_from_bytes.3.gz
 man/man3/modbus_set_byte_timeout.3.gz
 man/man3/modbus_set_debug.3.gz
 man/man3/modbus_set_error_recovery.3.gz
 man/man3/modbus_set_float.3.gz
 man/man3/modbus_set_float_dcba.3.gz
 man/man3/modbus_set_response_timeout.3.gz
 man/man3/modbus_set_slave.3.gz
 man/man3/modbus_set_socket.3.gz
 man/man3/modbus_strerror.3.gz
 man/man3/modbus_tcp_listen.3.gz
 man/man3/modbus_write_and_read_registers.3.gz
 man/man3/modbus_write_bit.3.gz
 man/man3/modbus_write_bits.3.gz
 man/man3/modbus_write_register.3.gz
 man/man3/modbus_write_registers.3.gz
 man/man7/libmodbus.7.gz