dev-embedded/arduino-listserialportsc: add package

Needed for bumping dev-embedded/arduino to 1.8.5.

Mostly snatched from maurerpe's fine work at
https://github.com/maurerpe/arduino-overlay/blob/master/dev-embedded/listserialportsc

Bug: https://bugs.gentoo.org/525882
Package-Manager: Portage-2.3.19, Repoman-2.3.6

dev-embedded/arduino-listserialportsc/Manifest

@@ -0,0 +1 @@
+DIST arduino-listserialportsc-1.4.0.tar.gz 5448 BLAKE2B a1b5256c9e9ece7ec4de8b1481b6e20769fe07fd94b73d099922074ff20d251896d992aba1e3680dc7e667ff2897fec05812a07273efe097cf5387a5f0207554 SHA512 0e8bbf1e49fa8705a6d3c28b44043f8d13589b7ebdac245db79ed3826bf56028778fdf721af3cf756cc8ea19e7a2f7e5f19421a105211cf0cd35041ec718c2bb

dev-embedded/arduino-listserialportsc/arduino-listserialportsc-1.4.0.ebuild

@@ -0,0 +1,41 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit java-pkg-2 toolchain-funcs
+
+DESCRIPTION="Arduino helper library to list serial ports"
+HOMEPAGE="https://github.com/arduino/listSerialPortsC"
+SRC_URI="https://github.com/arduino/listSerialPortsC/archive/${PV}.tar.gz -> ${P}.tar.gz"
+LICENSE="LGPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RDEPEND=">=dev-libs/libserialport-0.1.1"
+DEPEND="${RDEPEND}"
+
+S="${WORKDIR}/listSerialPortsC-${PV}"
+
+src_compile() {
+	CC=$(tc-getCC)
+	${CC} -Wall -O2 ${CPPFLAGS} ${CFLAGS} -c -o main.o main.c
+	${CC} ${CFLAGS} ${LDFLAGS} main.o -lserialport -o listSerialC
+
+	${CC} \
+		-Wall -O2 ${CPPFLAGS} ${CFLAGS} -fPIC \
+		-I$(java-config-2 -o)/include \
+		-I$(java-config-2 -o)/include/linux \
+		-o jnilib.o -c jnilib.c
+
+	${CC} \
+		${CFLAGS} ${LDFLAGS} \
+		-shared -Wl,-soname,liblistSerialsj.so \
+		jnilib.o -lserialport -o liblistSerialsj.so.${PV}
+}
+
+src_install() {
+	dobin listSerialC
+	dolib liblistSerialsj.so.${PV}
+	dosym liblistSerialsj.so.${PV} /usr/$(get_libdir)/liblistSerialsj.so
+}

dev-embedded/arduino-listserialportsc/metadata.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>embedded@gentoo.org</email>
+		<name>Embedded Gentoo</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">arduino/listSerialPortsC</remote-id>
+	</upstream>
+</pkgmetadata>