--- a/ntpclient.c +++ b/ntpclient.c @@ -43,6 +43,9 @@ #include <errno.h> #ifdef PRECISION_SIOCGSTAMP #include <sys/ioctl.h>+#ifdef __GLIBC__ +#include <linux/sockios.h> +#endif #endif #ifdef USE_OBSOLETE_GETTIMEOFDAY #include <sys/time.h>