diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..5dacbd9
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2018 Linaro Limited
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+set(WITH_ZEPHYR 1)
+set(WITH_ZEPHYR_LIB 1)
+set(WITH_DOC OFF CACHE BOOL "" FORCE)
+set(WITH_DEFAULT_LOGGER OFF CACHE BOOL "" FORCE)
+
+add_subdirectory(libmetal)
diff --git a/Kconfig b/Kconfig
new file mode 100644
index 0000000..70977cf
--- /dev/null
+++ b/Kconfig
@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2018 Linaro Limited
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+config LIBMETAL
+	bool
+	prompt "libmetal Support"
+	default n
+	help
+	  This option enables the libmetal HAL abstraction layer
diff --git a/libmetal.cmake b/libmetal.cmake
deleted file mode 100644
index 0a78160..0000000
--- a/libmetal.cmake
+++ /dev/null
@@ -1,12 +0,0 @@
-include(ExternalProject)
-
-ExternalProject_Add(
-  libmetal                 # Name for custom target
-  SOURCE_DIR $ENV{ZEPHYR_BASE}/ext/hal/libmetal/libmetal/
-  INSTALL_COMMAND ""      # This particular build system has no install command
-  CMAKE_ARGS -DWITH_ZEPHYR=ON -DBOARD=${BOARD} -DWITH_DEFAULT_LOGGER=OFF -DWITH_DOC=OFF
-  )
-
-ExternalProject_Get_property(libmetal BINARY_DIR)
-set(LIBMETAL_INCLUDE_DIR ${BINARY_DIR}/lib/include)
-set(LIBMETAL_LIBRARY     ${BINARY_DIR}/lib/libmetal.a)