fix failure caused by GCC upgrade to GCC-10

Fix-redis5-gcc-10.patch

@@ -0,0 +1,13 @@
+diff --git a/src/sds.h b/src/sds.h
+index 1bdb60d..adcc12c 100644
+--- a/src/sds.h
++++ b/src/sds.h
+@@ -34,7 +34,7 @@
+ #define __SDS_H
+ 
+ #define SDS_MAX_PREALLOC (1024*1024)
+-const char *SDS_NOINIT;
++extern const char *SDS_NOINIT;
+ 
+ #include <sys/types.h>
+ #include <stdarg.h>

redis5.spec

@@ -6,7 +6,7 @@
 %global Pname redis
 Name:                redis5
 Version:             5.0.7
-Release:             2
+Release:             3
 Summary:             A persistent key-value database
 License:             BSD and MIT
 URL:                 https://redis.io
@@ -24,6 +24,7 @@ Source10:            https://github.com/antirez/%{Pname}-doc/archive/%{doc_commi
 %ifarch aarch64
 Patch0001:           Modify-aarch64-architecture-jemalloc-page-size-from-from-4k-to-64k.patch
 %endif
+Patch0002:           Fix-redis5-gcc-10.patch
 BuildRequires:       gcc
 %if %{with tests}
 BuildRequires:       procps-ng tcl
@@ -184,6 +185,9 @@ exit 0
 %{_docdir}/%{Pname}
 
 %changelog
+* Tue Aug 03 2021 wangyong <wangyong187@huawei.com> - 5.0.7-3
+- Fix build error caused by GCC upgrade to GCC-10
+
 * Mon Mar 29 2021 lingsheng <lingsheng@huawei.com> - 5.0.7-2
 - Modify aarch64 architecture jemalloc page size from 4k to 64k