diff --git a/libXt-1.2.1-sw.patch b/libXt-1.2.1-sw.patch
new file mode 100755
index 0000000..787b605
--- /dev/null
+++ b/libXt-1.2.1-sw.patch
@@ -0,0 +1,11 @@
+diff -Naur libXt-1.2.1.org/include/X11/Xtos.h libXt-1.2.1.sw/include/X11/Xtos.h
+--- libXt-1.2.1.org/include/X11/Xtos.h	2022-02-26 01:04:27.600000000 +0000
++++ libXt-1.2.1.sw/include/X11/Xtos.h	2022-02-26 01:05:17.470000000 +0000
+@@ -55,6 +55,7 @@
+ 
+ #if defined (_LP64) || \
+     defined(__alpha) || defined(__alpha__) || \
++    defined(__sw_64) || defined(__sw_64__) || \
+     defined(__ia64__) || defined(ia64) || \
+     defined(__sparc64__) || \
+     defined(__s390x__) || \
diff --git a/libXt.spec b/libXt.spec
index 7e59ebe..de9473d 100644
--- a/libXt.spec
+++ b/libXt.spec
@@ -2,11 +2,14 @@
 
 Name:           libXt
 Version:        1.2.1
-Release:        3
+Release:        4
 License:        MIT
 Summary:        X.Org X11 libXt runtime library
 URL:            https://www.x.org
 Source0:        https://xorg.freedesktop.org/archive/individual/lib/%{name}-%{version}.tar.bz2
+%ifarch sw_64
+Patch1:         libXt-1.2.1-sw.patch
+%endif
 
 BuildRequires:  xorg-x11-util-macros autoconf automake libtool make glib2-devel
 BuildRequires:  pkgconfig(xproto) pkgconfig(x11) pkgconfig(sm)
@@ -69,6 +72,9 @@ mkdir -p -m 0755 $RPM_BUILD_ROOT%{_datadir}/X11/app-defaults
 %{_docdir}/%{name}/*.xml
 
 %changelog
+* Wed Nov 23 2022 wuzx<wuzx1226@qq.com> - 1.2.1-4
+- Add sw64 architecture
+
 * Sat Oct 22 2022 wangkerong <wangkerong@h-partners.com> - 1.2.1-3
 - disable static library by default