2 # Copyright (C) 2015 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
8 PKG_CHECK_FORMAT_SECURITY ?= 1
9 PKG_CC_STACKPROTECTOR_REGULAR ?= 1
10 PKG_CC_STACKPROTECTOR_STRONG ?= 1
11 PKG_FORTIFY_SOURCE_1 ?= 1
12 PKG_FORTIFY_SOURCE_2 ?= 1
13 PKG_RELRO_PARTIAL ?= 1
16 ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY
17 ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
18 TARGET_CFLAGS += -Wformat -Werror=format-security
21 ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
22 ifeq ($(strip $(PKG_CC_STACKPROTECTOR_REGULAR)),1)
23 TARGET_CFLAGS += -fstack-protector
26 ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
27 ifeq ($(strip $(PKG_CC_STACKPROTECTOR_STRONG)),1)
28 TARGET_CFLAGS += -fstack-protector-strong
31 ifdef CONFIG_PKG_FORTIFY_SOURCE_1
32 ifeq ($(strip $(PKG_FORTIFY_SOURCE_1)),1)
33 TARGET_CFLAGS += -D_FORTIFY_SOURCE=1
36 ifdef CONFIG_PKG_FORTIFY_SOURCE_2
37 ifeq ($(strip $(PKG_FORTIFY_SOURCE_2)),1)
38 TARGET_CFLAGS += -D_FORTIFY_SOURCE=2
41 ifdef CONFIG_PKG_RELRO_PARTIAL
42 ifeq ($(strip $(PKG_RELRO_PARTIAL)),1)
43 TARGET_CFLAGS += -Wl,-z,relro
44 TARGET_LDFLAGS += -zrelro
47 ifdef CONFIG_PKG_RELRO_FULL
48 ifeq ($(strip $(PKG_RELRO_FULL)),1)
49 TARGET_CFLAGS += -Wl,-z,now -Wl,-z,relro
50 TARGET_LDFLAGS += -znow -zrelro