--- a/Monitor.c
+++ b/Monitor.c
@@ -27,6 +27,7 @@
 #include	"md_p.h"
 #include	"md_u.h"
 #include	<sys/wait.h>
+#include	<libgen.h>
 #include	<limits.h>
 #include	<syslog.h>
 
--- a/platform-intel.c
+++ b/platform-intel.c
@@ -28,6 +28,7 @@
 #include <sys/mman.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <libgen.h>
 #include <limits.h>
 
 #define NVME_SUBSYS_PATH "/sys/devices/virtual/nvme-subsystem/"
--- a/super-intel.c
+++ b/super-intel.c
@@ -27,6 +27,7 @@
 #include <scsi/sg.h>
 #include <ctype.h>
 #include <dirent.h>
+#include <libgen.h>
 
 /* MPB == Metadata Parameter Block */
 #define MPB_SIGNATURE "Intel Raid ISM Cfg Sig. "
