From e35988e66997fd9b12c11fd8fa4abdd14ab5b38f Mon Sep 17 00:00:00 2001
From: Thomas Merkel <tm@core.io>
Date: Mon, 21 Aug 2017 18:09:39 +0200
Subject: [PATCH] Fix standard visibility macro use

Expect crypt(3) to be provided by unistd.h, not the ancient crypt.h.
Update _XOPEN_SOURCE for SUSv3 / POSIX.1-2001
---
 SoObjects/SOGo/NSData+Crypto.m | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/SoObjects/SOGo/NSData+Crypto.m b/SoObjects/SOGo/NSData+Crypto.m
index 5bf3c515e..f2aeb8745 100644
--- a/SoObjects/SOGo/NSData+Crypto.m
+++ b/SoObjects/SOGo/NSData+Crypto.m
@@ -23,16 +23,11 @@
  * Boston, MA 02111-1307, USA.
  */
 
-#if !defined(__OpenBSD__) && !defined(__FreeBSD__)
-#include <crypt.h>
-#endif
+#define _XOPEN_SOURCE 600
 
 #include <fcntl.h>
 #include <unistd.h>
 
-#define _XOPEN_SOURCE 1
-#include <unistd.h>
-
 #if defined(HAVE_GNUTLS)
 #include <gnutls/gnutls.h>
 #include <gnutls/crypto.h>