dev-libs/jsoncpp: Revert "Drop old"

One revdep needs fixing.

dev-libs/jsoncpp/Manifest

@@ -1 +1,2 @@
+DIST jsoncpp-1.8.1.tar.gz 210629 BLAKE2B 5f9a7f51b463784c5a74a78b7189800a37797f233b1d5a66d34edc0689c77a2b96b230c0ed4dfc749401087c551dd5659a6d152e09342ca92250ce9ea91a293e SHA512 4203826fca4c366b51d28ffc928399c914ffaba8be1cada64ff118b5742e6b469d3fc3e59344587d851447857b479794c5697d4fd11a9a55b32a3a7a801b745b
 DIST jsoncpp-1.8.4.tar.gz 200226 BLAKE2B bbfa8cf7b6cfa6af34762b54de2da0e919849c65b1093b29f7a7ac437524d8b3cf07b42926b250489e9a289105df971fad798f3e73f908fac3e2f52a4e5467b3 SHA512 f70361a3263dd8b9441374a9a409462be1426c0d6587c865171a80448ab73b3f69de2b4d70d2f0c541764e1e6cccc727dd53178347901f625ec6fb54fb94f4f1

dev-libs/jsoncpp/jsoncpp-1.8.1.ebuild

@@ -0,0 +1,67 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python2_7 )
+
+inherit cmake-utils 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="0/11"
+KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 sparc x86"
+IUSE="doc test"
+
+DEPEND="
+	doc? (
+		app-doc/doxygen
+		${PYTHON_DEPS}
+	)
+	test? (
+		${PYTHON_DEPS}
+	)"
+RDEPEND=""
+
+RESTRICT="!test? ( test )"
+
+pkg_setup() {
+	if use doc || use test; then
+		python-any-r1_pkg_setup
+	fi
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DJSONCPP_WITH_TESTS=$(usex test)
+		-DJSONCPP_WITH_POST_BUILD_UNITTEST=OFF
+		-DJSONCPP_WITH_CMAKE_PACKAGE=ON
+
+		-DBUILD_SHARED_LIBS=ON
+		-DBUILD_STATIC_LIBS=OFF
+
+		# Follow Debian, Ubuntu, Arch convention for headers location
+		# bug #452234
+		-DCMAKE_INSTALL_INCLUDEDIR=include/jsoncpp
+
+		# Disable implicit ccache use
+		-DCCACHE_FOUND=OFF
+	)
+	cmake-utils_src_configure
+}
+
+src_compile() {
+	cmake-utils_src_compile
+
+	if use doc; then
+		"${EPYTHON}" doxybuild.py --doxygen="${EPREFIX}"/usr/bin/doxygen || die
+		HTML_DOCS=( dist/doxygen/jsoncpp*/. )
+	fi
+}
+
+src_test() {
+	cmake-utils_src_make jsoncpp_check
+}