diff --git a/haproxy.spec b/haproxy.spec
index 142484e27f2acd6cd03a19d83048b1c6c48ed636..17f1ea465ea74fb6e83efe9cfadbed117b350a2e 100644
--- a/haproxy.spec
+++ b/haproxy.spec
@@ -5,7 +5,7 @@
 
 Name:             haproxy
 Version:          2.9.5
-Release:          1
+Release:          2
 Summary:          The Reliable, High Performance TCP/HTTP Load Balancer
 
 License:          GPLv2+
@@ -30,15 +30,18 @@ web sites and powers quite a number of the world's most visited ones.
 %prep
 %autosetup -n %{name}-%{version} -p1
 %build
+%if "%toolchain" == "clang"
+	%global make_opts CC=clang 
+%endif
 
-%make_build CPU="generic" TARGET="linux-glibc" USE_OPENSSL=1 USE_PCRE2=1 USE_SLZ=1 \
+%make_build %{?make_opts} CPU="generic" TARGET="linux-glibc" USE_OPENSSL=1 USE_PCRE2=1 USE_SLZ=1 \
     USE_LUA=1 USE_CRYPT_H=1 USE_SYSTEMD=1 USE_LINUX_TPROXY=1 USE_GETADDRINFO=1 USE_PROMEX=1 DEFINE=-DMAX_SESS_STKCTR=12 \
     ADDINC="%{build_cflags}" ADDLIB="%{build_ldflags}"
 
-%make_build admin/halog/halog ADDINC="%{build_cflags}" ADDLIB="%{build_ldflags}"
+%make_build %{?make_opts} admin/halog/halog ADDINC="%{build_cflags}" ADDLIB="%{build_ldflags}"
 
 pushd admin/iprange
-%make_build OPTIMIZE="%{build_cflags}" LDFLAGS="%{build_ldflags}"
+%make_build %{?make_opts} OPTIMIZE="%{build_cflags}" LDFLAGS="%{build_ldflags}"
 popd
 
 %install
@@ -117,6 +120,12 @@ exit 0
 %{_mandir}/man1/*
 
 %changelog
+* Thu Feb 22 2024 luofng <luofeng13@huawei.com> - 2.9.5-2
+- Type: enhencement
+- CVE:NA
+- SUG:NA
+- DESC:support for building with clang
+
 * Mon Feb 19 2024 liweigang <izmirvii@gmail.com> - 2.9.5-1
 - update to version 2.9.5