From: Ondřej Surý <ondrej@sury.org>
Date: Wed, 30 Jan 2019 14:50:35 +0000 (+0100)
Subject: Fix Centos 6 build by explicitly casting to __typeof__(obj) in atomic_compare_exchang... 
X-Git-Tag: v9.13.6~23^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=27eb6189a82e075f3d469fd2446c1afc7e6f64f1;p=thirdparty%2Fbind9.git

Fix Centos 6 build by explicitly casting to __typeof__(obj) in atomic_compare_exchange_strong shim function
---

diff --git a/lib/isc/unix/include/isc/stdatomic.h b/lib/isc/unix/include/isc/stdatomic.h
index 4b9e1f1ec99..532d1188888 100644
--- a/lib/isc/unix/include/isc/stdatomic.h
+++ b/lib/isc/unix/include/isc/stdatomic.h
@@ -127,8 +127,10 @@ typedef bool		atomic_bool;
 	({									\
 		__typeof__(obj) __v;						\
 		_Bool __r;							\
-		__v = __sync_val_compare_and_swap(obj, *(expected), desired);	\
-		__r = *(expected) == __v;					\
+		__v = (__typeof__(obj))__sync_val_compare_and_swap(obj, 	\
+								   *(expected), \
+								   desired);	\
+		__r = ((__typeof__(obj))*(expected) == __v);            	\
 		*(expected) = __v;						\
 		__r;								\
 	})