diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f74e5d9e..99b691106 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## master (unreleased)
 
+## v1.7.3
+
 ### Changes
 
 * Improve support for xp and mingw
@@ -279,6 +281,8 @@
 
 ## master (开发中)
 
+## v1.7.3
+
 ### 改进
 
 * 改进对 xp 和 mingw 的支持
diff --git a/configure b/configure
index 4f9cbfd89..a0f42ae4e 100755
--- a/configure
+++ b/configure
@@ -2841,6 +2841,18 @@ toolchain "i686_w64_mingw32"
     set_toolset "ar" "i686-w64-mingw32-ar" "ar"
 toolchain_end
 
+# aarch64 toolchain (aarch64)
+toolchain "aarch64_linux_gnu"
+    set_toolset "as" "aarch64-linux-gnu-gcc"
+    set_toolset "cc" "aarch64-linux-gnu-gcc"
+    set_toolset "cxx" "aarch64-linux-gnu-gcc" "aarch64-linux-gnu-g++"
+    set_toolset "mm" "aarch64-linux-gnu-gcc"
+    set_toolset "mxx" "aarch64-linux-gnu-gcc" "aarch64-linux-gnu-g++"
+    set_toolset "ld" "aarch64-linux-gnu-g++" "aarch64-linux-gnu-gcc"
+    set_toolset "sh" "aarch64-linux-gnu-g++" "aarch64-linux-gnu-gcc"
+    set_toolset "ar" "aarch64-linux-gnu-ar" "ar"
+toolchain_end
+
 # check platform
 _check_platform() {
     if test "x${_target_plat}" = "x"; then
@@ -3157,6 +3169,11 @@ _toolchain_detect() {
             else
                 toolchains="x86_64_w64_mingw32"
             fi
+        elif is_plat "linux" && ! is_arch "${os_arch}"; then
+            toolchains="envs"
+            if is_arch "arm64"; then
+                toolchains="${toolchains} aarch64_linux_gnu"
+            fi
         else
             toolchains="envs gcc clang"
         fi
@@ -3715,18 +3732,19 @@ _gmake_add_switches() {
     echo "INSTALLDIR:=\$(DESTDIR)" >> "${xmake_sh_makefile}"
     echo "endif" >> "${xmake_sh_makefile}"
     echo "" >> "${xmake_sh_makefile}"
+    echo "ifeq (\$(PREFIX),)" >> "${xmake_sh_makefile}"
+    echo "PREFIX=${_install_prefix_default}" >> "${xmake_sh_makefile}"
+    echo "endif" >> "${xmake_sh_makefile}"
+    echo "" >> "${xmake_sh_makefile}"
     echo "ifneq (\$(PREFIX),)" >> "${xmake_sh_makefile}"
     echo "ifneq (\$(INSTALLDIR),)" >> "${xmake_sh_makefile}"
-    echo "INSTALLDIR:=\$(INSTALLDIR)/\$(PREFIX)" >> "${xmake_sh_makefile}"
+    echo "PREFIX_:=\$(patsubst /%,%,\$(PREFIX))" >> "${xmake_sh_makefile}"
+    echo "INSTALLDIR:=\$(INSTALLDIR)/\$(PREFIX_)" >> "${xmake_sh_makefile}"
     echo "else" >> "${xmake_sh_makefile}"
     echo "INSTALLDIR:=\$(PREFIX)" >> "${xmake_sh_makefile}"
     echo "endif" >> "${xmake_sh_makefile}"
     echo "endif" >> "${xmake_sh_makefile}"
     echo "" >> "${xmake_sh_makefile}"
-    echo "ifeq (\$(INSTALLDIR),)" >> "${xmake_sh_makefile}"
-    echo "INSTALLDIR=${_install_prefix_default}" >> "${xmake_sh_makefile}"
-    echo "endif" >> "${xmake_sh_makefile}"
-    echo "" >> "${xmake_sh_makefile}"
 }
 
 _gmake_add_flags() {
@@ -3957,10 +3975,12 @@ _gmake_add_install_target() {
     _get_target_item "${target}" "kind"; local targetkind="${_ret}"
     if test_eq "${targetkind}" "binary"; then
         string_replace "${_install_bindir_default}" "\${prefix}" "${installdir}"; _install_bindir_default="${_ret}"
+        print "\t@echo installing ${targetfile} to ${_install_bindir_default}" >> "${xmake_sh_makefile}"
         print "\t@mkdir -p ${_install_bindir_default}" >> "${xmake_sh_makefile}"
         print "\t@cp -p ${targetfile} ${_install_bindir_default}/${filename}" >> "${xmake_sh_makefile}"
     elif test_eq "${targetkind}" "static" || test_eq "${targetkind}" "shared"; then
         string_replace "${_install_libdir_default}" "\${prefix}" "${installdir}"; _install_libdir_default="${_ret}"
+        print "\t@echo installing ${targetfile} to ${_install_libdir_default}" >> "${xmake_sh_makefile}"
         print "\t@mkdir -p ${_install_libdir_default}" >> "${xmake_sh_makefile}"
         print "\t@cp -p ${targetfile} ${_install_libdir_default}/${filename}" >> "${xmake_sh_makefile}"
     fi
diff --git a/src/xmake.sh b/src/xmake.sh
index 652a627a7..3c9a83a75 100755
--- a/src/xmake.sh
+++ b/src/xmake.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 set_project "tbox"
-set_version "1.7.2" "%Y%m%d"
+set_version "1.7.3" "%Y%m%d"
 
 # set warning all as error
 set_warnings "all" "error"
diff --git a/xmake.lua b/xmake.lua
index f01f8aa8e..20d8b6f28 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -5,7 +5,7 @@ set_project("tbox")
 set_xmakever("2.6.1")
 
 -- set project version
-set_version("1.7.2", {build = "%Y%m%d"})
+set_version("1.7.3", {build = "%Y%m%d"})
 
 -- set warning all as error
 set_warnings("all", "error")