dev-libs/libmodbus: Merge libmodbus required by linuxcnc, ebuild modified from linuxcnc community

sci-misc/linuxcnc: Merge libcnc required by linuxcnc, ebuild modified from linuxcnc community

Signed-off-by: chunhui ouyang <jack9603301@163.com>

dev-libs/libmodbus/Manifest

@@ -0,0 +1 @@
+DIST libmodbus-3.0.6.tar.gz 504757 SHA256 046d63f10f755e2160dc56ef681e5f5ad3862a57c1955fd82e0ce036b69471b6 SHA512 47a271b3677822701bac924f3e3245e3db72dbadfe1d860ae5d8171b32d2dbb1c761a351d055eafc661a15bc13cb60b793b2b0f9654bbafcf01b457d51991dca WHIRLPOOL f586f4e98083d9eccda7bc49dfda2ff24b167e50fb7cbf9a515066cef179b8a43190daecbf2de0871d09d443ff5d1ec871a77590b8d6f0d992354912a80d5215

dev-libs/libmodbus/libmodbus-3.0.6.ebuild

@@ -0,0 +1,25 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# Thanks to the original author for the code, xmw@gentoo.org for the code
+
+EAPI=8
+
+DESCRIPTION="Modbus library which supports RTU communication over a serial line or a TCP link"
+HOMEPAGE="http://libmodbus.org/"
+SRC_URI="http://libmodbus.org/releases/${P}.tar.gz"
+
+LICENSE="LGPL-3"
+SLOT="0"
+KEYWORDS="amd64 x86"
+IUSE="static-libs"
+
+src_configure() {
+	econf \
+		--disable-silent-rules \
+		$(use_enable static-libs static)
+}
+
+src_install() {
+	emake install DESTDIR="${D}"
+	use static-libs || rm "${D}"/usr/*/libmodbus.la
+}

dev-libs/libmodbus/metadata.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<maintainer type="person">
+<email>jack9603301@163.com</email>
+<name>Michael Weber</name>
+</maintainer>
+</pkgmetadata>