diff -Naur busybox-1.26.2-orig/libbb/missing_syscalls.c busybox-1.26.2/libbb/missing_syscalls.c
--- busybox-1.26.2-orig/libbb/missing_syscalls.c	2016-09-27 22:23:50.000000000 +0530
+++ busybox-1.26.2/libbb/missing_syscalls.c	2017-03-01 21:20:34.367667904 +0530
@@ -10,6 +10,50 @@
 #include <sys/syscall.h>
 #include "libbb.h"
 
+#ifndef __NR_shmget
+#define __NR_shmget 29
+#endif
+
+#ifndef __NR_shmat
+#define __NR_shmat 30
+#endif
+
+#ifndef __NR_shmctl
+#define __NR_shmctl 31
+#endif
+
+#ifndef __NR_semget
+#define __NR_semget 64
+#endif
+
+#ifndef __NR_semop
+#define __NR_semop 65
+#endif
+
+#ifndef __NR_semctl
+#define __NR_semctl 66
+#endif
+
+#ifndef __NR_shmdt
+#define __NR_shmdt 67
+#endif
+
+#ifndef __NR_msgget
+#define __NR_msgget 68
+#endif
+
+#ifndef __NR_msgsnd
+#define __NR_msgsnd 69
+#endif
+
+#ifndef __NR_msgrcv
+#define __NR_msgrcv 70
+#endif
+
+#ifndef __NR_msgctl
+#define __NR_msgctl 71
+#endif
+ 
 #if defined(ANDROID) || defined(__ANDROID__)
 pid_t getsid(pid_t pid)
 {
diff -Naur busybox-1.26.2-orig/libbb/semctl.c busybox-1.26.2/libbb/semctl.c
--- busybox-1.26.2-orig/libbb/semctl.c	2017-03-01 21:13:12.851652181 +0530
+++ busybox-1.26.2/libbb/semctl.c	2017-02-28 08:35:47.947890893 +0530
@@ -27,6 +27,9 @@
 #include <linux/sem.h>
 #include "libbb.h"
 
+#ifndef __NR_semctl
+#define __NR_semctl 66
+#endif
 /* code from GLIBC */
 int semctl(int semid, int semnum, int cmd, ...) {
   union semun arg;