From 4e3c1930170de973f300a14c4a3d2e8a95c93a93 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Mon, 10 Mar 2014 17:32:04 +0100
Subject: gsm/a5.c: Compile on OS which don't have ENOTSUP

---
 src/gsm/a5.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/gsm/a5.c b/src/gsm/a5.c
index de821e89..1be4ef89 100644
--- a/src/gsm/a5.c
+++ b/src/gsm/a5.c
@@ -39,6 +39,12 @@
 
 #include <osmocom/gsm/a5.h>
 
+/* Some OS like Nuttx don't define ENOTSUP */
+#ifndef ENOTSUP
+#define __LOCAL_ENOTSUP
+#define ENOTSUP 1
+#endif
+
 /*! \brief Main method to generate a A5/x cipher stream
  *  \param[in] n Which A5/x method to use
  *  \param[in] key 8 byte array for the key (as received from the SIM)
@@ -78,6 +84,10 @@ osmo_a5(int n, const uint8_t *key, uint32_t fn, ubit_t *dl, ubit_t *ul)
 	return 0;
 }
 
+#ifdef __LOCAL_ENOTSUP
+#undef ENOTSUP
+#endif
+
 
 /* ------------------------------------------------------------------------ */
 /* A5/1&2 common stuff                                                                     */
-- 
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