diff --git a/lzo.spec b/lzo.spec
index 19d070bde1074bc4e92e81040df88744ee04ef3e..d35839a8feed529314f45526a0ab4239da19be7c 100644
--- a/lzo.spec
+++ b/lzo.spec
@@ -1,6 +1,6 @@
 Name:           lzo
 Version:        2.10
-Release:        2
+Release:        3
 Summary:        a real-time data compression library
 License:        GPLv2+
 URL:            http://www.oberhumer.com/opensource/lzo/
@@ -44,8 +44,14 @@ over compression ratio.
 %configure --disable-dependency-tracking --disable-static --enable-shared
 %make_build
 
-gcc %{optflags} -fpic -Iinclude/lzo -o minilzo/minilzo.o -c minilzo/minilzo.c
-gcc -g -shared -Wl,-z,now -o libminilzo.so.0 -Wl,-soname,libminilzo.so.0 minilzo/minilzo.o
+%if "%toolchain" == "clang"
+    %global make_opts HOSTCC=clang CC=clang CXX=clang++
+    clang %{optflags} -fpic -Iinclude/lzo -o minilzo/minilzo.o -c minilzo/minilzo.c
+    clang -g -shared -Wl,-z,now -o libminilzo.so.0 -Wl,-soname,libminilzo.so.0 minilzo/minilzo.o
+%else
+    gcc %{optflags} -fpic -Iinclude/lzo -o minilzo/minilzo.o -c minilzo/minilzo.c
+    gcc -g -shared -Wl,-z,now -o libminilzo.so.0 -Wl,-soname,libminilzo.so.0 minilzo/minilzo.o
+%endif
 
 %install
 rm -rf $RPM_BUILD_ROOT
@@ -89,6 +95,9 @@ make check test
 %{_pkgdocdir}
 
 %changelog
+* Fri Mar 1 2024 shafeipaozi <sunbo.oerv@isrc.iscas.ac.cn> - 2.10-3
+- add support for clang 
+
 * Tue Oct 25 2022 yanglongkang <yanglongkang@h-partners.com> - 2.10-2
 - rebuild for next release