Add multiple threads to make test

tbb.spec

@@ -1,6 +1,6 @@
 Name:           tbb
 Version:        2020.3
-Release:        3
+Release:        4
 Summary:        Threading Building Blocks lets you easily write parallel C++ programs
 License:        ASL 2.0
 URL:            http://threadingbuildingblocks.org/
@@ -79,7 +79,7 @@ popd
 make doxygen
 
 %check
-make test tbb_build_prefix=obj stdver=c++14 CXXFLAGS="$RPM_OPT_FLAGS"
+make test %{?_smp_mflags} tbb_build_prefix=obj stdver=c++14 CXXFLAGS="$RPM_OPT_FLAGS"
 
 %install
 mkdir -p %{buildroot}/%{_libdir}
@@ -147,6 +147,9 @@ rm %{buildroot}%{_libdir}/cmake/tbb/README.rst
 %{python3_sitearch}/__pycache__/TBB*
 
 %changelog
+* Fri Jul 2 2021 Hugel <genqihu1@huawei.com> - 2020.3-4
+- Add multiple threads to make test
+
 * Wed  Apr 14 2021 yangyanchao <yangyanchao6@huawei.com> - 2020.3-3
 - Link to libatomic in riscv