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CMakeModules/FindDBus.cmake

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+# Finding dbus (https://www.freedesktop.org/wiki/Software/dbus/)
+# Defining:
+# DBUS_LIBRARY
+# DBUS_INCLUDE_DIR
+
+set(dbus_target "_no_target_")
+
+if(WIN32)
+	FIND_PATH(DBUS_INCLUDE_DIRS dbus/dbus.h PATH_SUFFIXES include HINTS ${ADDITIONAL_LIBRARY_PATHS})
+	FIND_LIBRARY(DBUS_LIBRARIES NAMES dbus-1 PATH_SUFFIXES lib HINTS ${ADDITIONAL_LIBRARY_PATHS})
+
+	# define an imported target for DBus manually
+	if (DBUS_INCLUDE_DIRS AND DBUS_LIBRARIES)
+		add_library(DBus UNKNOWN IMPORTED)
+		set_target_properties(DBus PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES "${DBUS_INCLUDE_DIRS}"
+			IMPORTED_LOCATION "${DBUS_LIBRARIES}"
+		)
+
+		set(HAVE_DBUS 1)
+		set(dbus_target "DBus")
+	endif()
+else()
+	find_package(PkgConfig QUIET)
+
+	if(PKG_CONFIG_FOUND)
+		pkg_check_modules(DBUS IMPORTED_TARGET dbus-1)
+	endif (PKG_CONFIG_FOUND)
+
+	if(DBUS_FOUND)
+		set(HAVE_DBUS 1)
+
+		# can't use an ALIAS here, needs CMake 3.11
+		# use a global property instead
+		set(dbus_target "PkgConfig::DBUS")
+	endif(DBUS_FOUND)
+endif(WIN32)