+if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+ option (DBUS_BUS_ENABLE_INOTIFY "build with inotify support (linux only)" ON)
+ if(DBUS_BUS_ENABLE_INOTIFY)
+ check_include_file(sys/inotify.h HAVE_SYS_INOTIFY_H)
+ if(NOT HAVE_SYS_INOTIFY_H)
+ message(FATAL_ERROR "sys/inotify.h not found!")
+ endif(NOT HAVE_SYS_INOTIFY_H)
+ endif(DBUS_BUS_ENABLE_INOTIFY)
+elseif("${CMAKE_SYSTEM_NAME}" MATCHES ".*BSD")
+ option (DBUS_BUS_ENABLE_KQUEUE "build with kqueue support (FreeBSD only)" ON)
+ if(DBUS_BUS_ENABLE_KQUEUE)
+ # cmake check a header by compiling a test program with
+ # the header, sys/event.h needs stdint.h and sys/types.h
+ # to work.
+ check_include_files("stdint.h;sys/types.h;sys/event.h" HAVE_SYS_EVENT_H)
+ if(NOT HAVE_SYS_EVENT_H)
+ message(FATAL_ERROR "sys/event.h not found!")
+ endif(NOT HAVE_SYS_EVENT_H)
+ endif(DBUS_BUS_ENABLE_KQUEUE)
+endif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+