From bad65d0c62ee527bbb839ab87b01abc0c874c8c9 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Fri, 29 Aug 2014 16:23:46 -0600
Subject: Various changes/fixes to get configs/stm32f4discovery/kostest working
 after the big configuration renaming (and after a long period of bit rot)

---
 nuttx/syscall/syscall_funclookup.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'nuttx/syscall')

diff --git a/nuttx/syscall/syscall_funclookup.c b/nuttx/syscall/syscall_funclookup.c
index 6f38634ac..43e411fc3 100644
--- a/nuttx/syscall/syscall_funclookup.c
+++ b/nuttx/syscall/syscall_funclookup.c
@@ -90,9 +90,24 @@
 uint32_t syscall_clock_systimer(void);
 
 /****************************************************************************
- * Pre-processor definitions
+ * Pre-processor Definitions
  ****************************************************************************/
 
+/* Errno access is awkward. We need to generate get_errno() and set_errno()
+ * interfaces to support the system calls, even though we don't use them
+ * ourself.
+ *
+ * The "normal" protoypes for these functions is in errno.h.  The following
+ * must agree exactly.
+ */
+
+#ifdef __DIRECT_ERRNO_ACCESS
+#  undef set_errno
+#  undef get_errno
+void set_errno(int errcode);
+int  get_errno(void);
+#endif
+
 /****************************************************************************
  * Public Data
  ****************************************************************************/
-- 
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