+--- a/configure.in
++++ b/configure.in
+@@ -29,6 +29,8 @@ AC_C_VOLATILE
+ #AC_FUNC_STRTOD
+ #AC_CHECK_FUNCS([ftime gethostbyname gettimeofday localtime_r memset select socket strchr strerror strstr strtoull])
+
++AC_SEARCH_LIBS([clock_gettime],[rt])
++
+ #
+ # save the configure arguments
+ #
+--- a/src/dsl_cpe_linux.h
++++ b/src/dsl_cpe_linux.h
+@@ -45,7 +45,8 @@
+ #include <arpa/inet.h>
+ #include <sys/socket.h> /* socket */
+ #include <sys/sem.h> /* semget */
+-#include <semaphore.h> /* sem_t */
++#include <semaphore.h> /* sem_t */
++#include <limits.h>
+
+ #ifdef DSL_DEBUG_TOOL_INTERFACE
+ #include <sys/socket.h>