diff --git a/bsp/qemu-vexpress-a9/drivers/drv_smc911x.c b/bsp/qemu-vexpress-a9/drivers/drv_smc911x.c
index 9d52b258af..a1f56534c6 100644
--- a/bsp/qemu-vexpress-a9/drivers/drv_smc911x.c
+++ b/bsp/qemu-vexpress-a9/drivers/drv_smc911x.c
@@ -13,6 +13,7 @@
 #include <netif/ethernetif.h>
 #include <lwipopts.h>
 #include <automac.h>
+#include "delay.h"
 
 #define MAX_ADDR_LEN                6
 #define SMC911X_EMAC_DEVICE(eth)    (struct eth_device_smc911x*)(eth)
diff --git a/components/drivers/mtd/mtd_nand.c b/components/drivers/mtd/mtd_nand.c
index f516f9b147..4a1e74b76b 100644
--- a/components/drivers/mtd/mtd_nand.c
+++ b/components/drivers/mtd/mtd_nand.c
@@ -295,11 +295,11 @@ help:
         rt_kprintf("         eraseall <name>            Erase all block on device <name>\n");
         return ;
     }
-    else if (!strcmp(argv[1], "id"))
+    else if (!rt_strcmp(argv[1], "id"))
     {
         mtd_nandid(argv[2]);
     }
-    else if (!strcmp(argv[1], "read"))
+    else if (!rt_strcmp(argv[1], "read"))
     {
         if (argc < 5)
         {
@@ -308,7 +308,7 @@ help:
         }
         mtd_nand_read(argv[2], atoi(argv[3]), atoi(argv[4]));
     }
-    else if (!strcmp(argv[1], "readoob"))
+    else if (!rt_strcmp(argv[1], "readoob"))
     {
         if (argc < 5)
         {
@@ -317,7 +317,7 @@ help:
         }
         mtd_nand_readoob(argv[2], atoi(argv[3]), atoi(argv[4]));
     }
-    else if (!strcmp(argv[1], "write"))
+    else if (!rt_strcmp(argv[1], "write"))
     {
         if (argc < 5)
         {
@@ -326,7 +326,7 @@ help:
         }
         mtd_nand_write(argv[2], atoi(argv[3]), atoi(argv[4]));
     }
-    else if (!strcmp(argv[1], "erase"))
+    else if (!rt_strcmp(argv[1], "erase"))
     {
         if (argc < 4)
         {
@@ -335,7 +335,7 @@ help:
         }
         mtd_nand_erase(argv[2], atoi(argv[3]));
     }
-    else if (!strcmp(argv[1], "eraseall"))
+    else if (!rt_strcmp(argv[1], "eraseall"))
     {
         mtd_nand_erase_all(argv[2]);
     }
diff --git a/components/lwp/lwp_syscall.h b/components/lwp/lwp_syscall.h
index ba1b34a648..02599f4317 100644
--- a/components/lwp/lwp_syscall.h
+++ b/components/lwp/lwp_syscall.h
@@ -16,6 +16,7 @@
 #include <dfs_posix.h>
 #include <sys/time.h>
 #include <sys/types.h>
+#include <sys/ioctl.h>
 
 typedef long suseconds_t;       /* microseconds (signed) */
 typedef uint32_t id_t;          /* may contain pid, uid or gid */