| # Copyright 2017 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| LOCAL_DIR := $(GET_LOCAL_DIR) |
| |
| MODULE := $(LOCAL_DIR) |
| |
| MODULE_SRCS += $(LOCAL_DIR)/jitterentropy-base.c |
| |
| KERNEL_INCLUDES += $(LOCAL_DIR)/include |
| |
| # According to its documentation, jitterentropy must be compiled at optimization |
| # level -O0. |
| # |
| # TODO(SEC-14): Test the code generated at various optimization levels. If there |
| # is a significant difference in entropy quality, replace the relevant C code by |
| # assembly code to protect against future compiler changes. |
| # |
| # The original Makefile also specifies -fwrapv. |
| # |
| # Several flags related to stack-protection were removed, for compiler |
| # compatibility. |
| MODULE_CFLAGS += -O0 -fwrapv -I $(LOCAL_DIR)/arch/$(ARCH) |
| |
| include make/module.mk |
