--- a/utils/v4l2-ctl/v4l2-ctl.cpp
+++ b/utils/v4l2-ctl/v4l2-ctl.cpp
@@ -46,6 +46,7 @@
 #include <vector>
 #include <map>
 #include <algorithm>
+#include <string_iostream>
 #include <fstream>
 
 char options[OptLast];
--- a/utils/rds-ctl/rds-ctl.cpp
+++ b/utils/rds-ctl/rds-ctl.cpp
@@ -29,6 +29,7 @@
 #include <inttypes.h>
 #include <getopt.h>
 #include <sys/types.h>
+#include <ctype.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <sys/ioctl.h>
@@ -36,6 +37,7 @@
 #include <dirent.h>
 #include <config.h>
 #include <signal.h>
+#include <time.h>
 
 #include <linux/videodev2.h>
 #include <libv4l2.h>
--- a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp
+++ b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp
@@ -17,6 +17,7 @@
 #include <sys/mman.h>
 #include <dirent.h>
 #include <math.h>
+#include <time.h>
 
 #include "v4l2-ctl.h"
 #include "v4l-stream.h"
--- a/utils/cec-ctl/cec-ctl.cpp
+++ b/utils/cec-ctl/cec-ctl.cpp
@@ -30,6 +30,7 @@
 #include <errno.h>
 #include <sys/ioctl.h>
 #include <stdarg.h>
+#include <time.h>
 #include <cerrno>
 #include <string>
 #include <vector>
--- a/utils/cec-compliance/cec-compliance.h
+++ b/utils/cec-compliance/cec-compliance.h
@@ -21,6 +21,7 @@
 #define _CEC_COMPLIANCE_H_
 
 #include <stdarg.h>
+#include <time.h>
 #include <cerrno>
 #include <string>
 #include <linux/cec-funcs.h>
--- a/utils/cec-follower/cec-follower.h
+++ b/utils/cec-follower/cec-follower.h
@@ -37,6 +37,7 @@
 #define _CEC_FOLLOWER_H_
 
 #include <stdarg.h>
+#include <time.h>
 #include <cerrno>
 #include <string>
 #include <linux/cec-funcs.h>
