diff --git a/packages/f/ffts/xmake.lua b/packages/f/ffts/xmake.lua
index e0e806f76a5..b50e52431ff 100644
--- a/packages/f/ffts/xmake.lua
+++ b/packages/f/ffts/xmake.lua
@@ -10,6 +10,12 @@ package("ffts")
 
     add_deps("cmake")
 
+    if on_check then
+        on_check(function (package)
+            assert(package:has_tool("cc", "clang", "clang-cl"), "package(ffts) unsupported clang toolchain")
+        end)
+    end
+
     on_install(function (package)
         -- remove test
         io.replace("CMakeLists.txt", "endif(ENABLE_STATIC OR ENABLE_SHARED)", "endif(0)", {plain = true})