diff --git a/config/default_config.h b/config/default_config.h
new file mode 100644
index 00000000..fcec01ee
--- /dev/null
+++ b/config/default_config.h
@@ -0,0 +1,33 @@
+// DO NOT EDIT THIS HEADER FILE. IT IS AUTO GENERATED BY CMAKE.
+// Global HACL configuration file.
+// The variables in here get populated by CMake
+
+// HACL version information
+#define HACL_VERSION_MAJOR 0
+#define HACL_VERSION_MINOR 1
+#define HACL_VERSION_PATCH 0
+#define HACL_VERSION_TWEAK alpha.1
+
+// Configure platform and features
+#define TARGET_ARCHITECTURE_ID_UNKNOWN 0
+#define TARGET_ARCHITECTURE_ID_X86 1
+#define TARGET_ARCHITECTURE_ID_X64 2
+#define TARGET_ARCHITECTURE_ID_ARM32 3
+#define TARGET_ARCHITECTURE_ID_ARM64 4
+#define TARGET_ARCHITECTURE_ID_SYSTEMZ 5
+#define TARGET_ARCHITECTURE_ID_POWERPC64 6
+
+#define TARGET_ARCHITECTURE 1
+
+#define HACL_CAN_COMPILE_VEC128 1
+#define HACL_CAN_COMPILE_VEC256 1
+#define HACL_CAN_COMPILE_UINT128 1
+#define HACL_CAN_COMPILE_VALE 1
+#define LINUX_NO_EXPLICIT_BZERO 1
+
+#ifndef HACL_CAN_COMPILE_VEC128
+    #define Lib_IntVector_Intrinsics_vec128 void *
+#endif
+#ifndef HACL_CAN_COMPILE_VEC256
+    #define Lib_IntVector_Intrinsics_vec256 void *
+#endif