From 9f7400d32229c0a1d32349cf0a61900a50f0437a Mon Sep 17 00:00:00 2001
From: Petr Hodina <phodina@protonmail.com>
Date: Sun, 29 May 2022 06:09:27 +0200
Subject: [PATCH] Remove systemd.


diff --git a/CMakeLists.txt b/CMakeLists.txt
index be4e836..97f5aef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,27 +12,6 @@ include(GNUInstallDirs) # Installation directories for `install` command and pkg
 # PERFORMING CHECKS & PREPARING THE DEPENDENCIES
 #-------------------------------
 
-option(BUILD_LIBSYSTEMD "Build libsystemd static library and incorporate it into libsdbus-c++" OFF)
-
-if(NOT BUILD_LIBSYSTEMD)
-    find_package(PkgConfig REQUIRED)
-    pkg_check_modules(Systemd IMPORTED_TARGET GLOBAL libsystemd>=236)
-    if(NOT TARGET PkgConfig::Systemd)
-        message(FATAL_ERROR "libsystemd of version at least 236 is required, but was not found "
-                            "(if you have systemd in your OS, you may want to install package containing pkgconfig "
-                            " files for libsystemd library. On Ubuntu, that is libsystemd-dev. "
-                            " Alternatively, you may turn BUILD_LIBSYSTEMD on for sdbus-c++ to download, build "
-                            "and incorporate libsystemd as embedded library within sdbus-c++)")
-    endif()
-    add_library(Systemd::Libsystemd ALIAS PkgConfig::Systemd)
-    string(REGEX MATCHALL "([0-9]+)" SYSTEMD_VERSION_LIST "${Systemd_VERSION}")
-    list(GET SYSTEMD_VERSION_LIST 0 LIBSYSTEMD_VERSION)
-    message(STATUS "Building with libsystemd v${LIBSYSTEMD_VERSION}")
-else()
-    # Build static libsystemd library as an external project
-    include(cmake/LibsystemdExternalProject.cmake)
-endif()
-
 find_package(Threads REQUIRED)
 
 #-------------------------------
@@ -104,18 +83,13 @@ endif()
 
 # Having an object target allows unit tests to reuse already built sources without re-building
 add_library(sdbus-c++-objlib OBJECT ${SDBUSCPP_SRCS})
-target_compile_definitions(sdbus-c++-objlib PRIVATE BUILD_LIB=1 LIBSYSTEMD_VERSION=${LIBSYSTEMD_VERSION})
 target_include_directories(sdbus-c++-objlib PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
                                                    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>)
 if(DEFINED BUILD_SHARED_LIBS)
     set_target_properties(sdbus-c++-objlib PROPERTIES POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS})
 endif()
-if(BUILD_LIBSYSTEMD)
-    add_dependencies(sdbus-c++-objlib LibsystemdBuildProject)
-endif()
 target_link_libraries(sdbus-c++-objlib
         PUBLIC
-            Systemd::Libsystemd
             Threads::Threads)
 
 add_library(sdbus-c++)
@@ -231,6 +205,5 @@ set(CPACK_DEBIAN_FILE_NAME DEB-DEFAULT)
 set(CPACK_DEBIAN_PACKAGE_SECTION "libs")
 set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
 set(CPACK_DEBIAN_ENABLE_COMPONENT_DEPENDS ON)
-set(CPACK_DEBIAN_DEV_PACKAGE_DEPENDS "libsystemd-dev (>=236)")
 
 include(CPack)
-- 
2.35.1