From: Björn Jacke <bj@sernet.de>
Date: Thu, 8 Oct 2020 10:21:31 +0000 (+0200)
Subject: tevent: also use portable __has_attribute macro to check for "deprecated" attribute
X-Git-Tag: talloc-2.3.2~255
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c56c5c17fd4f5764935ee6a4cd90b9c0a2c525b4;p=thirdparty%2Fsamba.git

tevent: also use portable __has_attribute macro to check for "deprecated" attribute

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14526

Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
---

diff --git a/lib/tevent/tevent.h b/lib/tevent/tevent.h
index dc68a1d3f69..b8e46feec46 100644
--- a/lib/tevent/tevent.h
+++ b/lib/tevent/tevent.h
@@ -33,6 +33,12 @@
 #include <sys/time.h>
 #include <stdbool.h>
 
+/* for old gcc releases that don't have the feature test macro __has_attribute */
+#ifndef __has_attribute
+#define __has_attribute(x) 0
+#endif
+
+
 struct tevent_context;
 struct tevent_ops;
 struct tevent_fd;
@@ -2076,7 +2082,7 @@ void _tevent_threaded_schedule_immediate(struct tevent_threaded_context *tctx,
 
 #ifdef TEVENT_DEPRECATED
 #ifndef _DEPRECATED_
-#ifdef HAVE___ATTRIBUTE__
+#if __has_attribute(deprecated) || (__GNUC__ >= 3)
 #define _DEPRECATED_ __attribute__ ((deprecated))
 #else
 #define _DEPRECATED_