diff --git a/gcc.spec b/gcc.spec
index b59ef526eb80197dd36f747f050f3f9987eb713e..7a4681349a93f6f0c56d4564b2cef36f646ca6cb 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -1,6 +1,6 @@
 %global gcc_version 12.3.1.2
 %global gcc_major 12
-%global gcc_release 1
+%global gcc_release 2
 %global isl_version 0.18
 %global tgcc_summary Tencent Compiler
 %global _unpackaged_files_terminate_build 0
@@ -820,6 +820,16 @@ in the sense that it respects the user's freedom.
 This package contains annobin plugin for gcc.
 %endif
 
+%package source
+Summary: source code included %{_vendor} patch
+BuildRequires: tar, xz
+BuildArch: noarch
+
+%description source
+This package provides source code included %{_vendor} patch
+for cross toolchains
+
+
 
 %prep
 %setup -q -n tgcc-%{version}
@@ -855,6 +865,9 @@ sed -i -e 's/context->report_bug = false;/context->report_bug = true;/' gcc/diag
 # This test causes fork failures, because it spawns way too many threads
 rm -f gcc/testsuite/go.test/test/chan/goroutines.go
 
+# take tarball of source code
+tar acvf %{name}-%{version}-%{release}.tar.xz *
+
 
 
 %build
@@ -1551,6 +1564,10 @@ ln -sf gcc-annobin.so.0.0.0 $FULLPATH/plugin/gcc-annobin.so.0
 ln -sf gcc-annobin.so.0.0.0 $FULLPATH/plugin/gcc-annobin.so
 %endif
 
+# copy source code tarball to installing directory
+mkdir -p %{buildroot}%{_usrsrc}/%{name}
+cp -f %{name}-%{version}-%{release}.tar.xz  %{buildroot}%{_usrsrc}/%{name}/
+
 
 
 %check
@@ -2375,7 +2392,15 @@ end
 %{_prefix}/lib/gcc/%{gcc_target_platform}/%{gcc_major}/plugin/gcc-annobin.so.0.0.0
 %endif
 
+%files source
+%{_usrsrc}/%{name}/%{name}-%{version}-%{release}.tar.xz
+
+
+
 %changelog
+* Mon Jun 24 2024 Zhao Zhen <jeremiazhao@tencent.com> - 12.3.1.2-2
+- provides a new subpackage included patched source for cross toolchains
+
 * Mon Jun 17 2024 Zhao Zhen <jeremiazhao@tencent.com> - 12.3.1.2-1
 - fixed error installed directories when disabled multilib in loongarch