diff --git a/autoconf/config.guess b/autoconf/config.guess
index 411b8419d..cf0541d1f 100755
--- a/autoconf/config.guess
+++ b/autoconf/config.guess
@@ -909,6 +909,9 @@ EOF
     crisv32:Linux:*:*)
 	echo crisv32-axis-linux-gnu
 	exit ;;
+    e2k:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
     frv:Linux:*:*)
 	echo frv-unknown-linux-gnu
 	exit ;;
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index 677ad7ff5..01b30568a 100644
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -367,6 +367,8 @@ elseif (LLVM_NATIVE_ARCH MATCHES "wasm64")
   set(LLVM_NATIVE_ARCH WebAssembly)
 elseif (LLVM_NATIVE_ARCH MATCHES "riscv64")
   set(LLVM_NATIVE_ARCH RISCV)
+elseif (LLVM_NATIVE_ARCH MATCHES "e2k")
+  set(LLVM_NATIVE_ARCH E2K)
 else ()
   message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}")
 endif ()