diff --git a/dhcp.spec b/dhcp.spec
index 6de7cfc35405967f66cace4e6da69242ff9fd762..bd5111f913c1699c416a3eb28c511e985e03ef3b 100644
--- a/dhcp.spec
+++ b/dhcp.spec
@@ -3,7 +3,7 @@
 
 Name:      dhcp
 Version:   4.4.3
-Release:   8
+Release:   9
 Summary:   Dynamic host configuration protocol software
 #Please don't change the epoch on this package
 Epoch:     12
@@ -61,13 +61,14 @@ Patch42: backport-CVE-2022-2795.patch
 Patch43: backport-CVE-2022-38177.patch
 Patch44: backport-CVE-2022-38178.patch
 Patch45: IAID-is-output-has-hexe-if-it-contains-or.patch
-Patch46: bugfix-cancel-rebind6-timer-after-ipv6-expire.patch
-Patch47: backport-CVE-2024-1975.patch
-Patch48: backport-optimize-the-slabheader-placement-for-certain-RRtype.patch
-Patch49: backport-0001-CVE-2024-1737.patch
-Patch50: backport-0002-CVE-2024-1737.patch
-Patch51: backport-0003-CVE-2024-1737.patch
-Patch52: backport-0004-CVE-2024-1737.patch
+Patch46: support-for-building-with-clang.patch
+Patch47: bugfix-cancel-rebind6-timer-after-ipv6-expire.patch
+Patch48: backport-CVE-2024-1975.patch
+Patch49: backport-optimize-the-slabheader-placement-for-certain-RRtype.patch
+Patch50: backport-0001-CVE-2024-1737.patch
+Patch51: backport-0002-CVE-2024-1737.patch
+Patch52: backport-0003-CVE-2024-1737.patch
+Patch53: backport-0004-CVE-2024-1737.patch
 
 BuildRequires: gcc autoconf automake libtool openldap-devel krb5-devel libcap-ng-devel
 BuildRequires: systemd systemd-devel
@@ -316,6 +317,12 @@ exit 0
 %{_mandir}/man3/omapi.3.gz
 
 %changelog
+* Wed Nov 13 2024 huyizhen <huyizhen2@huawei.com> - 12:4.4.3-9
+- Type:enhancement
+- ID:NA
+- SUG:build with clang
+- DESC:Support for building with clang
+
 * Mon Nov 11 2024 huyizhen <huyizhen2@huawei.com> - 12:4.4.3-8
 - Type:CVE
 - ID:NA
diff --git a/support-for-building-with-clang.patch b/support-for-building-with-clang.patch
new file mode 100644
index 0000000000000000000000000000000000000000..3845aef0f16d69e726716beac06ced5ae747daa1
--- /dev/null
+++ b/support-for-building-with-clang.patch
@@ -0,0 +1,29 @@
+From eb6f6bd959c2f496e4db1a90ea0629bbf9b12185 Mon Sep 17 00:00:00 2001
+From: cf-zhao <zhaochuanfeng@huawei.com>
+Date: Thu, 21 Mar 2024 13:04:26 +0800
+Subject: [PATCH] Support for building with clang
+
+---
+ client/dhclient.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/client/dhclient.c b/client/dhclient.c
+index 3e31dbf..a1f8849 100644
+--- a/client/dhclient.c
++++ b/client/dhclient.c
+@@ -48,7 +48,12 @@
+ /*
+  * Defined in stdio.h when _GNU_SOURCE is set, but we don't want to define
+  * that when building ISC code.
++ * When build with clang, there is also a macro defined in stdio2.h,
++ * undefine it so that we still use the prototype in stdio.h.
+  */
++#ifdef asprintf
++#undef asprintf
++#endif
+ extern int asprintf(char **strp, const char *fmt, ...);
+ 
+ TIME default_lease_time = 43200; /* 12 hours... */
+-- 
+2.33.0
+