3 files changed, 20 insertions, 1 deletions
diff --git a/apps/nshlib/nsh.h b/apps/nshlib/nsh.h
index 23209dba5..3afbce8f9 100644
--- a/apps/nshlib/nsh.h
+++ b/apps/nshlib/nsh.h
@@ -403,6 +403,15 @@
 #    define IOBUFFERSIZE (PATH_MAX + 1)
 #endif
 
+/* Certain commands are not availalbe in a kernel build because they depend
+ * on interfaces that are not exported by the kernel.
+ */
+
+#ifdef CONFIG_NUTTX_KERNEL
+#  undef CONFIG_NSH_DISABLE_DF
+#  define CONFIG_NSH_DISABLE_DF 1
+#endif
+
 /****************************************************************************
  * Public Types
  ****************************************************************************/
diff --git a/apps/nshlib/nsh_mntcmds.c b/apps/nshlib/nsh_mntcmds.c
index f8e3a142a..8e62229fa 100644
--- a/apps/nshlib/nsh_mntcmds.c
+++ b/apps/nshlib/nsh_mntcmds.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * apps/nshlib/nsh_mntcmds.c
  *
- *   Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2011-2013 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -107,6 +107,7 @@ static int df_handler(FAR const char *mountpoint,
 
 #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) && \
     defined(CONFIG_FS_READABLE) && !defined(CONFIG_NSH_DISABLE_MOUNT)
+#ifndef CONFIG_NUTTX_KERNEL
 static int mount_handler(FAR const char *mountpoint,
                          FAR struct statfs *statbuf, FAR void *arg)
 {
@@ -158,6 +159,7 @@ static int mount_handler(FAR const char *mountpoint,
   return OK;
 }
 #endif
+#endif
 
 /****************************************************************************
  * Name: mount_show
@@ -165,11 +167,13 @@ static int mount_handler(FAR const char *mountpoint,
 
 #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_MOUNTPOINT) && \
     defined(CONFIG_FS_READABLE) && !defined(CONFIG_NSH_DISABLE_MOUNT)
+#ifndef CONFIG_NUTTX_KERNEL
 static inline int mount_show(FAR struct nsh_vtbl_s *vtbl, FAR const char *progname)
 {
   return foreach_mountpoint(mount_handler, (FAR void *)vtbl);
 }
 #endif
+#endif
 
 /****************************************************************************
  * Public Functions
@@ -209,10 +213,12 @@ int cmd_mount(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
 
   /* The mount command behaves differently if no parameters are provided */
 
+#ifndef CONFIG_NUTTX_KERNEL
   if (argc < 2)
     {
       return mount_show(vtbl, argv[0]);
     }
+#endif
 
   /* Get the mount options.  NOTE: getopt() is not thread safe nor re-entrant.
    * To keep its state proper for the next usage, it is necessary to parse to
diff --git a/apps/nshlib/nsh_parse.c b/apps/nshlib/nsh_parse.c
index 4ee86b4cc..d5ffd81ee 100644
--- a/apps/nshlib/nsh_parse.c
+++ b/apps/nshlib/nsh_parse.c
@@ -302,7 +302,11 @@ static const struct cmdmap_s g_cmdmap[] =
 
 #if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_FS_READABLE)
 # ifndef CONFIG_NSH_DISABLE_MOUNT
+#  ifdef CONFIG_NUTTX_KERNEL
+  { "mount",    cmd_mount,    5, 5, "-t <fstype> [<block-device>] <mount-point>" },
+#    else
   { "mount",    cmd_mount,    1, 5, "[-t <fstype> [<block-device>] <mount-point>]" },
+#  endif
 # endif
 #endif