From cb6406361061578db779ada90624374f325bfbb9 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Tue, 10 May 2016 20:47:25 +0200
Subject: [PATCH] Fix platform check for strerror_r on Mac

---
 simgear/misc/strutils.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/simgear/misc/strutils.cxx b/simgear/misc/strutils.cxx
index 7a2ffa30..8e7562d1 100644
--- a/simgear/misc/strutils.cxx
+++ b/simgear/misc/strutils.cxx
@@ -615,7 +615,7 @@ std::string error_string(int errnum)
   retcode = strerror_s(buf, sizeof(buf), errnum);
 #elif defined(_GNU_SOURCE)
   return std::string(strerror_r(errnum, buf, sizeof(buf)));
-#elif _POSIX_C_SOURCE >= 200112L
+#elif (_POSIX_C_SOURCE >= 200112L) || defined(SG_MAC)
   int retcode;
   // POSIX.1-2001 and POSIX.1-2008
   retcode = strerror_r(errnum, buf, sizeof(buf));
-- 
2.39.5