Index: cmake/config-ix.cmake
===================================================================
--- cmake/config-ix.cmake
+++ cmake/config-ix.cmake
@@ -397,7 +397,7 @@
   set(LLVM_NATIVE_ARCH MSP430)
 elseif (LLVM_NATIVE_ARCH MATCHES "hexagon")
   set(LLVM_NATIVE_ARCH Hexagon)
-elseif (LLVM_NATIVE_ARCH MATCHES "s390x")
+elseif (LLVM_NATIVE_ARCH MATCHES "s390[x]")
   set(LLVM_NATIVE_ARCH SystemZ)
 elseif (LLVM_NATIVE_ARCH MATCHES "wasm32")
   set(LLVM_NATIVE_ARCH WebAssembly)