add loongarch64 and sw_64 support

(cherry picked from commit 3c0116ebe0c87f4ae96e2847e0e9404eda97dd38)

libvpx.spec

@@ -1,6 +1,6 @@
 Name:                   libvpx
 Version:                1.7.0
-Release:                8
+Release:                9
 Summary:                VP8/VP9 Video Codec SDK
 License:                BSD
 Source0:                https://github.com/webmproject/libvpx/archive/v%{version}.tar.gz
@@ -33,6 +33,10 @@ Development libraries and headers for developing software against libvpx.
 %else
 %ifarch aarch64
 %global vpxtarget arm64-linux-gcc
+%else
+%ifarch loongarch64 sw_64
+%global vpxtarget generic-gnu
+%endif
 %endif
 %endif
 %set_build_flags
@@ -102,6 +106,9 @@ mv %{buildroot}%{_prefix}/src/vpx_scale %{buildroot}%{_includedir}/
 %{_libdir}/libvpx.so
 
 %changelog
-* Fri Nov 08 2019 Lijin Yang <yanglijin@huawei.com> -1.7.0-8
+* Tue Aug 22 2023 panchenbo <panchenbo@kylinsec.com.cn> - 1.7.0-9
+- add loongarch64 and sw_64 support
+
+* Fri Nov 08 2019 Lijin Yang <yanglijin@huawei.com> - 1.7.0-8
 - Pakcage init