system_sources = [ 'FatalError.cxx', 'EventPipe.cxx', 'Clock.cxx', ] if host_machine.system() == 'linux' system_sources += [ 'KernelVersion.cxx', 'EventFD.cxx', 'SignalFD.cxx', 'EpollFD.cxx', ] endif system = static_library( 'system', system_sources, include_directories: inc, ) if is_windows winsock_dep = c_compiler.find_library('ws2_32') else winsock_dep = dependency('', required: false) endif system_dep = declare_dependency( link_with: system, dependencies: [ io_dep, winsock_dep, ], )