diff --git a/telnet.spec b/telnet.spec
index 3021d7fb912ae5330109ea16497d8be18988179b..934a50f598408518cebcf53ee0fe12803a734380 100644
--- a/telnet.spec
+++ b/telnet.spec
@@ -1,7 +1,7 @@
 Name:             telnet
 Epoch:            1
 Version:          0.17
-Release:          78
+Release:          79
 Summary:          Client and Server programs for the Telnet communication protocol
 License:          BSD
 Url:              http://web.archive.org/web/20070819111735/www.hcs.harvard.edu/~dholland/computers/old-netkit.html
@@ -63,7 +63,7 @@ mv -f telnet telnet-NETKIT
 %autosetup -T -D -a 1 -n netkit-telnet-%{version} -p1
 
 %build
-%{_configure} --with-c-compiler=gcc --prefix=%{_prefix} --exec-prefix=%{_exec_prefix}
+%{_configure} --prefix=%{_prefix} --exec-prefix=%{_exec_prefix}
 sed -i 's,-O2,\$(CC_FLAGS),;s,LDFLAGS=.*,LDFLAGS=\$(LD_FLAGS),;s,^MANDIR=.*$,MANDIR=%{_mandir},' MCONFIG
 sed -i 's,install [+-]s,install,g' ./telnet/GNUmakefile ./telnetd/Makefile ./telnetlogin/Makefile ./telnet-NETKIT/Makefile
 
@@ -100,6 +100,9 @@ install -pm644 %{SOURCE3} %{buildroot}%{_unitdir}/telnet.socket
 %{_mandir}/man1/telnet.1*
 
 %changelog
+* Wed May 24 2023 cf-zhao <zhaochuanfeng@huawei.com> - 1:0.17-79
+- Support building this package with clang
+
 * Tue Dec 15 2020 xihaochen <xihaochen@huawei.com> - 1:0.17-78
 - Type:requirement
 - ID:NA