update to glibc-2.28-251.2.src.rpm

Signed-off-by: Zhao Hang <wb-zh951434@alibaba-inc.com>

glibc-RHEL-15696-50.patch

@@ -0,0 +1,43 @@
+From 447954a206837b5f153869cfeeeab44631c3fac9 Mon Sep 17 00:00:00 2001
+Author: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>  2021-05-23 21:43:10
+Committer: H.J. Lu <hjl.tools@gmail.com>  2021-06-27 10:56:57
+Parent: 2c16cb88a6e5ace0fb7cedca86860ea7bde522a7 (Linux: Move timer helper routines from librt to libc)
+Child:  1683249d17e14827b6579529742eb895027dfa84 (x86_64: roundeven with sse4.1 support)
+Branches: master, remotes/origin/master and many more (41)
+Follows: glibc-2.33.9000
+Precedes: glibc-2.34
+
+    math: redirect roundeven function
+    
+    This patch redirect roundeven function for futhermore changes.
+    
+    Signed-off-by: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>
+    Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
+
+Conflicts:
+	*
+	(rewritten for older branch)
+
+diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c
+index 7bbbb2dc..8728d0f2 100644
+--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c
++++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c
+@@ -17,6 +17,7 @@
+    License along with the GNU C Library; if not, see
+    <http://www.gnu.org/licenses/>.  */
+ 
++#define NO_MATH_REDIRECT
+ #include <math.h>
+ #include <math_private.h>
+ #include <libm-alias-double.h>
+@@ -67,5 +68,6 @@ __roundeven (double x)
+   INSERT_WORDS64 (x, ix);
+   return x;
+ }
+-hidden_def (__roundeven)
++#ifndef __roundeven
+ libm_alias_double (__roundeven, roundeven)
++#endif
+-- 
+GitLab
+