diff --git a/cmake/TestInitPackageConfig.cmake b/cmake/TestInitPackageConfig.cmake
new file mode 100644
index 0000000..01d3a40
--- /dev/null
+++ b/cmake/TestInitPackageConfig.cmake
@@ -0,0 +1,11 @@
+# Create the build directory
+execute_process (
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${TEST_BINARY_DIR}
+  RESULT_VARIABLE _DIRECTORY_CREATED_SUCCEEDED
+)
+
+if (NOT _DIRECTORY_CREATED_SUCCEEDED EQUAL 0)
+  message (FATAL_ERROR "Failed to create build directory")
+endif (NOT _DIRECTORY_CREATED_SUCCEEDED EQUAL 0)
+
+file (WRITE ${INITIAL_CACHE} "${CACHEVARS}")