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 $(PKG_CC_STACKPROTECTOR_REGULAR)),1)
23 TARGET_CFLAGS += -fstack-protector
24 TARGET_LDFLAGS += -fstack-protector
27 ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
28 ifeq ($(strip $(PKG_CC_STACKPROTECTOR_STRONG)),1)
29 TARGET_CFLAGS += -fstack-protector-strong
30 TARGET_LDFLAGS += -fstack-protector-strong
33 ifdef CONFIG_PKG_FORTIFY_SOURCE_1
34 ifeq ($(strip $(PKG_FORTIFY_SOURCE_1)),1)
35 TARGET_CFLAGS += -D_FORTIFY_SOURCE=1
38 ifdef CONFIG_PKG_FORTIFY_SOURCE_2
39 ifeq ($(strip $(PKG_FORTIFY_SOURCE_2)),1)
40 TARGET_CFLAGS += -D_FORTIFY_SOURCE=2
43 ifdef CONFIG_PKG_RELRO_PARTIAL
44 ifeq ($(strip $(PKG_RELRO_PARTIAL)),1)
45 TARGET_CFLAGS += -Wl,-z,relro
46 TARGET_LDFLAGS += -zrelro
49 ifdef CONFIG_PKG_RELRO_FULL
50 ifeq ($(strip $(PKG_RELRO_FULL)),1)
51 TARGET_CFLAGS += -Wl,-z,now -Wl,-z,relro
52 TARGET_LDFLAGS += -znow -zrelro