diff --git a/openmp.spec b/openmp.spec
index a593cf2..10a9949 100644
--- a/openmp.spec
+++ b/openmp.spec
@@ -1,5 +1,11 @@
 %bcond_without sys_llvm
 %bcond_with check
+%bcond_without toolchain_clang
+%bcond_without bisheng_autotuner
+
+%if %{with toolchain_clang}
+%global toolchain clang
+%endif
 
 %global toolchain clang
 
@@ -32,7 +38,7 @@
 
 Name:    %{pkg_name}
 Version: %{openmp_version}
-Release: 2
+Release: 4
 Summary: OpenMP runtime for clang
 
 License: Apache License 2.0
@@ -93,6 +99,13 @@ OpenMP header files.
 	-DOPENMP_LIBDIR_SUFFIX=64 \
 %else
 	-DOPENMP_LIBDIR_SUFFIX= \
+%endif
+%if "%{toolchain}" == "clang"
+	-DCMAKE_C_COMPILER=clang \
+	-DCMAKE_CXX_COMPILER=clang++ \
+%endif
+%if %{with bisheng_autotuner}
+	-DLLVM_ENABLE_AUTOTUNER=ON \
 %endif
 	-DCMAKE_SKIP_RPATH:BOOL=ON
 
@@ -139,6 +152,12 @@ rm -rf %{buildroot}%{install_libdir}/libarcher_static.a
 %{install_libdir}/libomptarget.so
  
 %changelog
+* Tue Aug 20 2024 liyunfei <liyunfei33@huawei.com> - 17.0.6-4
+- Add BiSheng Autotuner support.
+
+* Fri Jul 5 2024 liyunfei <liyunfei33@huawei.com> - 17.0.6-3
+- Add toolchain_clang build support
+
 * Wed Jun 05 2024 Wenlong Zhang <zhangwenlong@loongson.cn> - 17.0.6-2
 - fix build error for loongarch64