!129 [sync] PR-128 Support build with clang

From: @luofeng14 
Reviewed-by: @liqingqing_1229 
Signed-off-by: @liqingqing_1229

boost.spec

@@ -2,7 +2,7 @@
 
 Name:           boost
 Version:        1.83.0
-Release:        1
+Release:        2
 Summary:        The free peer-reviewed portable C++ source libraries
 License:        BSL-1.0
 URL:            http://www.boost.org
@@ -279,7 +279,7 @@ as that on the Boost web page (http://www.boost.org/doc/libs/%{version_enc}).
 %autosetup -p1 -n %{name}_%{version_enc}
 
 %build
-./bootstrap.sh
+./bootstrap.sh --with-toolset=%{__cc}
 %define opt_build -d+2 -q %{?_smp_mflags} --no-cmake-config
 %define opt_feature release debug-symbols=on pch=off
 %define opt_libs --without-mpi --without-graph_parallel
@@ -448,6 +448,9 @@ find libs -name example -exec cp {} boost-example --parents -r \;
 %{_libdir}/*.a
 
 %changelog
+* Thu Mar 14 2024 jammyjellyfish <jammyjellyfish255@outlook.com> - 1.83.0-3
+- Support specify CC
+
 * Thu Jan 25 2024 chenhaixiang <chenhaixiang3@huawei.com> - 1.83.0-1
 - Update to 1.83.0