!9 fix build error with glibc 2.34

From: @eaglegai
Reviewed-by: @zengwefeng
Signed-off-by: @zengwefeng

postfix-3.6.2-glibc-234-build-fix.patch

@@ -0,0 +1,14 @@
+diff --git a/src/util/sys_defs.h b/src/util/sys_defs.h
+index 99bec9b..95c78ec 100644
+--- a/src/util/sys_defs.h
++++ b/src/util/sys_defs.h
+@@ -802,6 +803,9 @@ extern int initgroups(const char *, int);
+ #define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
+ #endif
+ #endif
++#if HAVE_GLIBC_API_VERSION_SUPPORT(2, 34)
++#define HAS_CLOSEFROM
++#endif
+ #include <linux/version.h>
+ #if !defined(KERNEL_VERSION)
+ #define KERNEL_VERSION(a,b,c) (LINUX_VERSION_CODE + 1)

postfix.spec

@@ -23,7 +23,7 @@
 Name:           postfix
 Summary:        Postfix Mail Transport Agent
 Version:        3.3.1
-Release:        13
+Release:        14
 Epoch:          2
 URL:            http://www.postfix.org
 License:        (IPL-1.0 and GPLv2+) or (EPL-2.0 and GPLv2+)
@@ -45,6 +45,7 @@ Patch6:         pflogsumm-1.1.5-ipv6-warnings-fix.patch
 Patch7:         fix-postfix-build-failed.patch
 Patch8:         fix-build-error-with_glibc2.30-ftbfs.patch
 Patch9:         fix-multiple-definition-error-with-gcc-10.patch
+Patch10:        postfix-3.6.2-glibc-234-build-fix.patch 
 
 BuildRequires:  libdb-devel perl-generators pkgconfig zlib-devel systemd-units libicu-devel libnsl2-devel gcc m4 openldap-devel
 BuildRequires:  cyrus-sasl-devel pcre-devel mariadb-connector-c-devel postgresql-devel sqlite-devel openssl-devel procps-ng
@@ -107,6 +108,7 @@ PostgreSQL maps with Postfix, you need this.
 %patch7 -p1
 %patch8 -p1
 %patch9 -p1
+%patch10 -p1
 
 sed -i \
 's|^\(\s*#define\s\+DEF_SHLIB_DIR\s\+\)"/usr/lib/postfix"|\1"%{_libdir}/postfix"|' \
@@ -492,6 +494,12 @@ fi
 %{postfix_doc_dir}/README_FILES/*
 
 %changelog
+* Tue Aug 10 2021 gaihuiying <gaihuiying1@huawei.com> - 2:3.3.1-14
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:fix build error with glibc 2.34
+
 * Fri Jul 30 2021 gaihuiying <gaihuiying1@huawei.com> - 2:3.3.1-13
 - Type:bugfix
 - ID:NA