+AC_CHECK_FUNCS([inet_ntoa memchr memset socket poll strcasecmp strdup strtol strtoul])
+
+AC_CHECK_FUNC([clock_gettime], [
+ AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Define if you have clock_gettime])
+], [
+ AC_CHECK_LIB([rt], [clock_gettime], [
+ AC_SUBST([RT_LIBS], [-lrt])
+ AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Define if you have clock_gettime])
+ ], [
+ AC_CHECK_FUNCS([gettimeofday])
+ ])
+])