!74 simplify %build

Merge pull request !74 from sdlzx/master

boost.spec

@@ -2,7 +2,7 @@
 
 Name:           boost
 Version:        1.78.0
-Release:        8
+Release:        9
 Summary:        The free peer-reviewed portable C++ source libraries
 License:        Boost Software License 1.0
 URL:            http://www.boost.org
@@ -52,7 +52,7 @@ Requires:       %{name}-wave%{?_isa} = %{version}-%{release}
 
 BuildRequires:  gcc-c++
 # required by python3
-BuildRequires:  python3-devel
+BuildRequires:  python3-devel python3-unversioned-command
 # optional library for asio
 BuildRequires:  openssl-devel
 # optional libraries for iostreams
@@ -276,45 +276,24 @@ as that on the Boost web page (http://www.boost.org/doc/libs/%{version_enc}).
 %autosetup -p1 -n %{name}_%{version_enc}
 
 %build
-PYTHON3_ABIFLAGS=$(/usr/bin/python3-config --abiflags)
-: PYTHON3_VERSION=%{python3_version}
-: PYTHON3_ABIFLAGS=${PYTHON3_ABIFLAGS}
-
-export RPM_OPT_FLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing -Wno-unused-local-typedefs -Wno-deprecated-declarations"
-export RPM_LD_FLAGS
-
-cat > ./tools/build/src/user-config.jam << "EOF"
-import os ;
-local RPM_OPT_FLAGS = [ os.environ RPM_OPT_FLAGS ] ;
-local RPM_LD_FLAGS = [ os.environ RPM_LD_FLAGS ] ;
-
-using gcc : : : <compileflags>$(RPM_OPT_FLAGS) <linkflags>$(RPM_LD_FLAGS) ;
-EOF
-
-cat >> ./tools/build/src/user-config.jam << EOF
-using python : %{python3_version} : /usr/bin/python3 : /usr/include/python%{python3_version}${PYTHON3_ABIFLAGS} : : : ;
-EOF
-
 ./bootstrap.sh
 %define opt_build -d+2 -q %{?_smp_mflags} --no-cmake-config
-%define opt_feature variant=release threading=multi debug-symbols=on pch=off
-%define opt_python python=%{python3_version}
-%define b2_options %{opt_build} %{opt_feature} %{opt_python}
-
-./b2 %{b2_options} --without-mpi --without-graph_parallel
+%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}
+./b2 %{b2_options} cxxflags="$RPM_OPT_FLAGS"
 
 %check
 :
 
 %install
 ./b2 %{b2_options} \
-  --without-mpi --without-graph_parallel \
   --prefix=$RPM_BUILD_ROOT%{_prefix} \
   --libdir=$RPM_BUILD_ROOT%{_libdir} \
   install
 
 mkdir boost-doc boost-example
-find libs doc more -regex '.*\.\(html?\|css\|png\|gif\)' -exec cp {} boost-doc --parents -r \;
+find libs doc more -regex '.*\.\(html?\|css\|png\|gif\)' -exec cp {} boost-doc --parents \;
 cp index.html boost.png rst.css boost.css boost-doc
 find . -name example -exec cp {} boost-example --parents -r \;
 
@@ -455,6 +434,9 @@ find . -name example -exec cp {} boost-example --parents -r \;
 %{_libdir}/*.a
 
 %changelog
+* Sat Jan 29 2022 Liu Zixian <liuzixian4@huawei.com> - 1.78.0-9
+- simplify building scripts
+
 * Fri Jan 28 2022 Liu Zixian <liuzixian4@huawei.com> - 1.78.0-8
 - backport bugfix for boost 1.78.0 known issues
 - https://www.boost.org/users/history/version_1_78_0.html