dev-libs/jsoncpp: import new package

Import a new package dev-libs/jsoncpp, as it is needed by dev-util/cmake
3.18.5.

sdk_container/src/third_party/portage-stable/dev-libs/jsoncpp/Manifest

@@ -0,0 +1,2 @@
+DIST jsoncpp-1.9.3.tar.gz 212922 BLAKE2B 6f89762e899ffe127705a30c1fe86f458d62fa05b8dbde6c465c73b6855d3945f3d739ff0c26e1a6326a211c946277908684ace9363df72ba0f460f66b3e3fd8 SHA512 f1c035d54ed952d8d4e41acab5c3ecf6aa445f348f98aeac2e7c89555ec2f6421d727b3bc4c2f54176afce137c545b20d886562901953ec091f91890e91e8559
+DIST jsoncpp-1.9.4.tar.gz 214057 BLAKE2B 9a8c52e5d0b78f1593c93bc40f48d3789b031ba0da519c99cce17f1f6e104b24e0ffe88138c25da6dfa250586aeb9e98d00fbf74d9fb9309b29a6d4f17762263 SHA512 adfd4afbdf6b79bd37edcf0e248f07864994f1c4bcb7431f3b44102490ce467f72381908066655fa486dec12f467af0a11f42f859bbf719895974c7339db7d22

sdk_container/src/third_party/portage-stable/dev-libs/jsoncpp/jsoncpp-1.9.3.ebuild

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+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7} )
+
+inherit meson python-any-r1
+
+DESCRIPTION="C++ JSON reader and writer"
+HOMEPAGE="https://github.com/open-source-parsers/jsoncpp"
+SRC_URI="
+	https://github.com/open-source-parsers/${PN}/archive/${PV}.tar.gz
+		-> ${P}.tar.gz"
+
+LICENSE="|| ( public-domain MIT )"
+SLOT="0/24"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~mips ppc ppc64 ~riscv ~s390 sparc x86"
+IUSE="doc test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="
+	${PYTHON_DEPS}
+	doc? ( app-doc/doxygen )"
+RDEPEND=""
+
+src_configure() {
+	local emesonargs=(
+		# Follow Debian, Ubuntu, Arch convention for headers location
+		# bug #452234
+		--includedir include/jsoncpp
+		-Dtests=$(usex test true false)
+	)
+	meson_src_configure
+}
+
+src_compile() {
+	meson_src_compile
+
+	if use doc; then
+		echo "${PV}" > version || die
+		"${EPYTHON}" doxybuild.py --doxygen="${EPREFIX}"/usr/bin/doxygen || die
+		HTML_DOCS=( dist/doxygen/jsoncpp*/. )
+	fi
+}

sdk_container/src/third_party/portage-stable/dev-libs/jsoncpp/jsoncpp-1.9.4.ebuild

@@ -0,0 +1,50 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7} )
+
+inherit meson python-any-r1
+
+DESCRIPTION="C++ JSON reader and writer"
+HOMEPAGE="https://github.com/open-source-parsers/jsoncpp"
+SRC_URI="
+	https://github.com/open-source-parsers/${PN}/archive/${PV}.tar.gz
+		-> ${P}.tar.gz"
+
+LICENSE="|| ( public-domain MIT )"
+SLOT="0/24"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="doc test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="
+	${PYTHON_DEPS}
+	doc? ( app-doc/doxygen )"
+RDEPEND=""
+
+src_configure() {
+	local emesonargs=(
+		# Follow Debian, Ubuntu, Arch convention for headers location
+		# bug #452234
+		--includedir include/jsoncpp
+		-Dtests=$(usex test true false)
+	)
+	meson_src_configure
+}
+
+src_compile() {
+	meson_src_compile
+
+	if use doc; then
+		echo "${PV}" > version || die
+		"${EPYTHON}" doxybuild.py --doxygen="${EPREFIX}"/usr/bin/doxygen || die
+		HTML_DOCS=( dist/doxygen/jsoncpp*/. )
+	fi
+}
+
+src_test() {
+	# increase test timeout due to failures on slower hardware
+	meson_src_test -t 2
+}

sdk_container/src/third_party/portage-stable/dev-libs/jsoncpp/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>mgorny@gentoo.org</email>
+    <name>Michał Górny</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="github">open-source-parsers/jsoncpp</remote-id>
+    <remote-id type="sourceforge">jsoncpp</remote-id>
+  </upstream>
+</pkgmetadata>