dev-libs/sdbus-cpp: add sdbus-cpp

Package-Manager: Portage-3.0.9, Repoman-3.0.2

dev-libs/sdbus-cpp/Manifest

@@ -0,0 +1,2 @@
+DIST sdbus-cpp-0.8.3.tar.gz 190124 BLAKE2B ad7d3872016471c7b8db0f20609e8debb13d155492655561675add60c9c1e9089553c31f7375136ba696112d17a4bd92a947a600a2c9f2842f7c0ba79f38046d SHA512 bdaccd686aeba9f24284c796fac7d0b6d514365e0b757db91e209e1e15c928d9de8ab1d5f5d21671896b07ea762ab4b7c6a5ce0850b17ad08bacb0f1a668cfb2
+DIST systemd-stable-242.tar.gz 7831827 BLAKE2B cdcb2cb2b2b7b05eb8509faaf9bd5c11fdbab316c4ae61492e1eb5f405c9b2c527acc7105efad13cde1e877febe401a313e3dd43cec4f04aa5a4ea939f20f9a3 SHA512 607d41ce212ea320f51ad3729d86b4b2fb6a3ed78ff493ffe095ac9a7d7b27e56910c1b941c15c2e574b5e8fd8e72ab1d53870112ce604958a717a2f870290ff

dev-libs/sdbus-cpp/files/remove_download_from_external_project.patch

@@ -0,0 +1,18 @@
+diff --git a/cmake/LibsystemdExternalProject.cmake b/cmake/LibsystemdExternalProject.cmake
+index dfa56d4..52b6f3c 100644
+--- a/cmake/LibsystemdExternalProject.cmake
++++ b/cmake/LibsystemdExternalProject.cmake
+@@ -35,11 +35,8 @@ message(STATUS "Building with embedded libsystemd v${LIBSYSTEMD_VERSION}")
+ include(ExternalProject)
+ ExternalProject_Add(LibsystemdBuildProject
+                     PREFIX libsystemd-v${LIBSYSTEMD_VERSION}
+-                    GIT_REPOSITORY    https://github.com/systemd/systemd-stable.git
+-                    GIT_TAG           v${LIBSYSTEMD_VERSION}-stable
+-                    GIT_SHALLOW       1
+-                    UPDATE_COMMAND    ""
+-                    CONFIGURE_COMMAND ${CMAKE_COMMAND} -E remove <BINARY_DIR>/*
++		    SOURCE_DIR systemd
++		    CONFIGURE_COMMAND ${CMAKE_COMMAND} -E remove <BINARY_DIR>/*
+                               COMMAND ${MESON} --prefix=<INSTALL_DIR> --buildtype=${LIBSYSTEMD_BUILD_TYPE} -Dstatic-libsystemd=pic -Dselinux=false <SOURCE_DIR> <BINARY_DIR>
+                     BUILD_COMMAND     ${BUILD_VERSION_H}
+                           COMMAND     ${NINJA} -C <BINARY_DIR> libsystemd.a

dev-libs/sdbus-cpp/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="person">
+    <email>parona@protonmail.com</email>
+    <name>Alfred Wingate</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="github">Kistler-Group/sdbus-cpp</remote-id>
+  </upstream>
+</pkgmetadata>

dev-libs/sdbus-cpp/sdbus-cpp-0.8.3.ebuild

@@ -0,0 +1,45 @@
+# Copyright 2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake
+
+DESCRIPTION="High-level C++ D-Bus library for Linux"
+HOMEPAGE="https://github.com/Kistler-Group/sdbus-cpp/"
+
+SYSTEMDVER="242"
+SRC_URI="
+	https://github.com/Kistler-Group/sdbus-cpp/archive/v"${PV}".tar.gz -> sdbus-cpp-"${PV}".tar.gz
+	!systemd? ( https://github.com/systemd/systemd-stable/archive/v"${SYSTEMDVER}".tar.gz -> systemd-stable-"${SYSTEMDVER}".tar.gz )
+"
+
+LICENSE="LGPL-2.1"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="systemd"
+
+RDEPEND="
+	systemd? ( sys-apps/systemd )
+"
+DEPEND="
+	${RDEPEND}
+	virtual/pkgconfig
+"
+
+CMAKE_MAKEFILE_GENERATOR=emake # ninja cant handle external projects for some reason
+
+PATCHES=( "${FILESDIR}/remove_download_from_external_project.patch" )
+
+src_prepare() {
+	cmake_src_prepare
+	use systemd || mv "${WORKDIR}"/systemd-stable-"${SYSTEMDVER}" "${S}"_build/systemd || die
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_CODE_GEN=ON # possibly could be use controlled instead
+		-DBUILD_LIBSYSTEMD=$(usex !systemd)
+	)
+	cmake_src_configure
+}