compiled newlib, need to hook up the system calls

sysroot/usr/include/fcntl.h

@@ -0,0 +1,19 @@
+#ifndef _FCNTL_H
+#define _FCNTL_H
+
+/* File access modes for open() */
+#define O_RDONLY    00000000
+#define O_WRONLY    00000001
+#define O_RDWR      00000002
+
+/* File creation flags */
+#define O_CREAT     00000100
+#define O_EXCL      00000200
+#define O_NOCTTY    00000400
+#define O_TRUNC     00001000
+#define O_APPEND    00002000
+#define O_NONBLOCK  00004000
+
+#define AT_FDCWD    (-100) 
+
+#endif /* _FCNTL_H */