diff --git a/boost.spec b/boost.spec
index d6d53ca1a0ad35836e2c06d300068f04be336615..8f8970a60234eb68297d0962ccb8bb993d6825a6 100644
--- a/boost.spec
+++ b/boost.spec
@@ -1,8 +1,8 @@
-%global version_enc 1_83_0
+%global version_enc 1_81_0
 
 Name:           boost
-Version:        1.83.0
-Release:        2
+Version:        1.81.0
+Release:        4
 Summary:        The free peer-reviewed portable C++ source libraries
 License:        BSL-1.0
 URL:            http://www.boost.org
@@ -10,14 +10,16 @@ Source0:        https://boostorg.jfrog.io/ui/native/main/release/%{version}/sour
 
 # These following patches have been merged into boost develop branch
 # Remove them at the next release
+# https://github.com/ned14/outcome/commit/66ebdd4e86ab593c8723ee69f6654260de19775e
+Patch1:	boost-1.80-outcome-Stop-Boost-regression-tests-complaining-about-no-test-tree.patch
 # https://github.com/boostorg/graph/pull/318
-Patch1: boost-1.81-graph-Dont-run-performance-test-in-CI.patch
+Patch2: boost-1.81-graph-Dont-run-performance-test-in-CI.patch
 # https://github.com/boostorg/random/pull/83
-Patch2: boost-1.81-random-Update-multiprecision_float_test.cpp-to-not-overflow.patch
-Patch3: boost-1.81-random-Update-multiprecision_int_test.cpp-to-not-accidental.patch
-Patch4: boost-1.81-random-test-Add-missing-includes.patch
+Patch3: boost-1.81-random-Update-multiprecision_float_test.cpp-to-not-overflow.patch
+Patch4: boost-1.81-random-Update-multiprecision_int_test.cpp-to-not-accidental.patch
+Patch5: boost-1.81-random-test-Add-missing-includes.patch
 # https://github.com/boostorg/phoenix/pull/116
-Patch5: boost-1.81-phoenix-Update-avoid-placeholders-uarg1.10-ODR-violates.patch
+Patch6: boost-1.81-phoenix-Update-avoid-placeholders-uarg1.10-ODR-violates.patch
 
 Requires:       %{name}-atomic%{?_isa} = %{version}-%{release}
 Requires:       %{name}-chrono%{?_isa} = %{version}-%{release}
@@ -56,10 +58,8 @@ BuildRequires:  python3-devel python3-unversioned-command
 BuildRequires:  openssl-devel
 # optional libraries for iostreams
 BuildRequires:  bzip2-devel libzstd-devel xz-devel zlib-devel
-%ifnarch loongarch64
 # optional library for multiprecision
 BuildRequires:  libquadmath-devel libquadmath-static
-%endif
 # optional library for python3
 BuildRequires:  python3-numpy
 # optional library for regex
@@ -281,13 +281,19 @@ 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=%toolchain
 %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
 %define b2_options %{opt_build} %{opt_feature} %{opt_libs}
 %define boost_macros define=BOOST_NO_AUTO_PTR define=BOOST_STATECHART_USE_NATIVE_RTTI
-./b2 %{b2_options} cxxflags="$RPM_OPT_FLAGS" %{boost_macros}
+
+%if "%toolchain" == "clang"
+	%global make_opts HOSTCC=clang CC=clang CXX=clang++
+	./b2 %{b2_options} toolset=clang cxxflags="$RPM_OPT_FLAGS" %{boost_macros}
+%else
+	./b2 %{b2_options} cxxflags="$RPM_OPT_FLAGS" %{boost_macros}
+%endif
 
 %check
 (cd status
@@ -450,11 +456,9 @@ find libs -name example -exec cp {} boost-example --parents -r \;
 %{_libdir}/*.a
 
 %changelog
-* Sat Mar  2 2024 Wenlong Zhang <zhangwenlong@loongson.cn> - 1.83.0-2
-- No libquadmath-devel libquadmath-static on loongarch64
-
-* Thu Jan 25 2024 chenhaixiang <chenhaixiang3@huawei.com> - 1.83.0-1
-- Update to 1.83.0
+* Fri Apr 21 2023 jammyjellyfish <jammyjellyfish255@outlook.com> - 1.81.0-2
+- Support specify CC
+- Signed-off-by: shafeipaozi <sunbo.oerv@isrc.iscas.ac.cn>
 
 * Mon Nov 27 2023 jiahua.yu <jiahua.yu@shingroup.cn> - 1.81.0-3
 - Init support for ppc64le