../../../../qtwebengine-everywhere-src-5.12.1/src/3rdparty/chromium/net/proxy_resolution/proxy_config_service_linux.cc:589:19: error: use of undeclared identifier 'inotify_init'
    inotify_fd_ = inotify_init();
                  ^
../../../../qtwebengine-everywhere-src-5.12.1/src/3rdparty/chromium/net/proxy_resolution/proxy_config_service_linux.cc:633:27: error: use of undeclared identifier 'IN_MODIFY'
                          IN_MODIFY | IN_MOVED_TO) < 0) {
                          ^
../../../../qtwebengine-everywhere-src-5.12.1/src/3rdparty/chromium/net/proxy_resolution/proxy_config_service_linux.cc:633:39: error: use of undeclared identifier 'IN_MOVED_TO'
                          IN_MODIFY | IN_MOVED_TO) < 0) {
                                      ^
../../../../qtwebengine-everywhere-src-5.12.1/src/3rdparty/chromium/net/proxy_resolution/proxy_config_service_linux.cc:911:28: error: use of undeclared identifier 'inotify_event'
    char event_buf[(sizeof(inotify_event) + NAME_MAX + 1) * 4];
                           ^
../../../../qtwebengine-everywhere-src-5.12.1/src/3rdparty/chromium/net/proxy_resolution/proxy_config_service_linux.cc:919:9: error: unknown type name 'inotify_event'
        inotify_event* event = reinterpret_cast<inotify_event*>(event_ptr);
        ^
../../../../qtwebengine-everywhere-src-5.12.1/src/3rdparty/chromium/net/proxy_resolution/proxy_config_service_linux.cc:919:49: error: unknown type name 'inotify_event'
        inotify_event* event = reinterpret_cast<inotify_event*>(event_ptr);
                                                ^
../../../../qtwebengine-everywhere-src-5.12.1/src/3rdparty/chromium/net/proxy_resolution/proxy_config_service_linux.cc:921:37: error: use of undeclared identifier 'inotify_event'
        CHECK_LE(event_ptr + sizeof(inotify_event), event_buf + r);