1 files changed, 16 insertions, 11 deletions
diff --git a/c/src/lib/libc/hosterr.c b/c/src/lib/libc/hosterr.c
index a55e4a7e84..6c0308df3b 100644
--- a/c/src/lib/libc/hosterr.c
+++ b/c/src/lib/libc/hosterr.c
@@ -13,31 +13,36 @@
  */
 
 #include <rtems.h>
+#if defined(RTEMS_UNIX)
 #include <errno.h>
 
-int host_errno(void);
+int host_errno( void );
 
 /*
- * copy host errno, if any to thread aware errno, if any
+ *  fix_syscall_errno
+ *
+ *  copy host errno, if any to thread aware errno, if any
  */
 
-void fix_syscall_errno(void)
+void fix_syscall_errno( void )
 {
-    errno = host_errno();
+  errno = host_errno();
 }
 
 /*
- * Get the host system errno, if any
- * When using newlib (or possibly other libc's) on top of UNIX
- * the errno returned by system calls may be unavailable due
- * to trickery of making errno thread aware.
- * This provides a kludge of getting at it.
+ *  host_errno
+ *
+ *  Get the host system errno, if any
+ *  When using newlib (or possibly other libc's) on top of UNIX
+ *  the errno returned by system calls may be unavailable due
+ *  to trickery of making errno thread aware.
+ *  This provides a kludge of getting at it.
  */
 
 #undef errno
 extern int errno;
 int host_errno(void)
 {
-    return errno;
+  return errno;
 }
-
+#endif