diff --git a/0008-fix-clang.patch b/0008-fix-clang.patch
new file mode 100644
index 0000000000000000000000000000000000000000..06722678336bacca5bcd92f646e0b0bf5b367f71
--- /dev/null
+++ b/0008-fix-clang.patch
@@ -0,0 +1,76 @@
+From 6bf16267983c9acac4ef3bf695ac4f5cdeeca085 Mon Sep 17 00:00:00 2001
+From: hleft <hlefthleft@gmail.com>
+Date: Tue, 31 Oct 2023 09:55:07 +0800
+Subject: [PATCH] fix clang build error
+
+v4clients.c:29:6: error: logical not is only applied to the left hand side of this comparison [-Werror,-Wlogical-not-parentheses]
+xcommon.c:101:24: error: format string is not a string literal [-Werror,-Wformat-nonliteral]
+xtab.c:138:18: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
+gssd_proc.c:789:2: error: cannot jump from this goto statement to its label
+        goto out;
+        ^
+---
+ configure.ac           | 12 ++++++++++--
+ utils/gssd/gssd_proc.c | 10 +++++-----
+ 2 files changed, 15 insertions(+), 7 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index f1c46c5..fe12828 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -151,7 +151,11 @@ AC_ARG_WITH(rpcgen,
+ 	[AS_HELP_STRING([--with-rpcgen=internal],[use internal rpcgen instead of system one])],
+ 	rpcgen_path=$withval,
+ 	rpcgen_path=yes )
+-	rpcgen_cflags=-Werror=strict-prototypes
++	case "$CC" in
++		*gcc*)
++			rpcgen_cflags=-Werror=strict-prototypes
++			;;
++	esac
+ 	RPCGEN_PATH=
+ 	if test "$rpcgen_path" = "yes"; then
+ 	    for p in /usr/local/bin/rpcgen /usr/bin/rpcgen /bin/rpcgen
+@@ -163,7 +167,11 @@ AC_ARG_WITH(rpcgen,
+ 	    RPCGEN_PATH=$rpcgen_path
+ 	else
+ 	    RPCGEN_PATH=internal
+-	    rpcgen_cflags=-Wstrict-prototypes
++			case "$CC" in
++				*gcc*)
++				rpcgen_cflags=-Wstrict-prototypes
++				;;
++esac
+ 	fi
+ 	AC_SUBST(RPCGEN_PATH)
+ 	AM_CONDITIONAL(CONFIG_RPCGEN, [test "$RPCGEN_PATH" = "internal"])
+diff --git a/utils/gssd/gssd_proc.c b/utils/gssd/gssd_proc.c
+index ae568f1..89d62d5 100644
+--- a/utils/gssd/gssd_proc.c
++++ b/utils/gssd/gssd_proc.c
+@@ -776,17 +776,17 @@ process_krb5_upcall(struct clnt_upcall_info *info)
+ 
+ 	do_downcall(fd, uid, &pd, &token, lifetime_rec, &acceptor);
+ 
+-out:
+-	pthread_cleanup_pop(1);
+-
+-	return;
+-
+ out_return_error:
+ 	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+ 	pthread_testcancel();
+ 
+ 	do_error_downcall(fd, uid, downcall_err);
+ 	goto out;
++
++out:
++	pthread_cleanup_pop(1);
++
++	return;
+ }
+ 
+ static struct clnt_upcall_info *
+-- 
+2.42.0
+
diff --git a/nfs-utils.spec b/nfs-utils.spec
index c7ddd5b92ba597c57b5869ebd59c11e81dfef351..d005005a355f9e340127c245007531d1d256b78b 100644
--- a/nfs-utils.spec
+++ b/nfs-utils.spec
@@ -4,7 +4,7 @@
 
 Name:    nfs-utils
 Version: 2.6.2
-Release: 4
+Release: 5
 Epoch:   2
 Summary: The Linux NFS userland utility package
 License: MIT and GPLv2 and GPLv2+ and BSD
@@ -20,6 +20,9 @@ Patch4:  0004-nfs-blkmaped-Fix-the-error-status-when-nfs_blkmapd-s.patch
 Patch5:  0005-nfs-blkmapd-PID-file-read-by-systemd-failed.patch
 Patch6:  0006-nfs-utils-Don-t-allow-junction-tests-to-trigger-auto.patch
 Patch7:  0007-Covscan-Scan-Wrong-Check-of-Return-Value.patch
+%if "%toolchain" == "clang"
+Patch8:  0008-fix-clang.patch
+%endif
 
 BuildRequires: libevent-devel,libcap-devel, libtirpc-devel libblkid-devel
 BuildRequires: krb5-libs >= 1.4 autoconf >= 2.57 openldap-devel >= 2.2
@@ -122,8 +125,12 @@ find -name \*.py -exec sed -r -i '1s|^#!\s*/usr/bin.*python.*|#!%{__python3}|' {
 
 %build
 sh -x autogen.sh
+CFLAGS="%{build_cflags} -D_FILE_OFFSET_BITS=64"
+%if "%toolchain" == "clang"
+	CFLAGS="$CFLAGS -Wno-logical-not-parentheses -Wno-format-nonliteral"
+%endif
 %configure \
-    CFLAGS="%{build_cflags} -D_FILE_OFFSET_BITS=64" \
+    CFLAGS="$CFLAGS" \
     LDFLAGS="%{build_ldflags}" \
     --enable-mountconfig \
     --enable-ipv6 \
@@ -292,6 +299,9 @@ fi
 %{_mandir}/*/*
 
 %changelog
+* Tue Oct 31 2023 yoo <sunyuechi@iscas.ac.cn> - 2.6.2-5
+- fix clang build error
+
 * Wed Mar 22 2023 wuguanghao <wuguanghao3@huawei.com> - 2:2.6.2-4
 - backport patches from community