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
10 PKG_ASLR_PIE_REGULAR ?= 0
12 PKG_FORTIFY_SOURCE ?= 1
15 ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY
16 ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
17 TARGET_CFLAGS += -Wformat -Werror=format-security
20 ifdef CONFIG_PKG_ASLR_PIE_ALL
21 ifeq ($(strip $(PKG_ASLR_PIE)),1)
22 TARGET_CFLAGS += $(FPIC)
23 TARGET_LDFLAGS += $(FPIC) -specs=$(INCLUDE_DIR)/hardened-ld-pie.specs
26 ifdef CONFIG_PKG_ASLR_PIE_REGULAR
27 ifeq ($(strip $(PKG_ASLR_PIE_REGULAR)),1)
28 TARGET_CFLAGS += $(FPIC)
29 TARGET_LDFLAGS += $(FPIC) -specs=$(INCLUDE_DIR)/hardened-ld-pie.specs
32 ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
33 ifeq ($(strip $(PKG_SSP)),1)
34 TARGET_CFLAGS += -fstack-protector
37 ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
38 ifeq ($(strip $(PKG_SSP)),1)
39 TARGET_CFLAGS += -fstack-protector-strong
42 ifdef CONFIG_PKG_FORTIFY_SOURCE_1
43 ifeq ($(strip $(PKG_FORTIFY_SOURCE)),1)
44 TARGET_CFLAGS += -D_FORTIFY_SOURCE=1
47 ifdef CONFIG_PKG_FORTIFY_SOURCE_2
48 ifeq ($(strip $(PKG_FORTIFY_SOURCE)),1)
49 TARGET_CFLAGS += -D_FORTIFY_SOURCE=2
52 ifdef CONFIG_PKG_RELRO_PARTIAL
53 ifeq ($(strip $(PKG_RELRO)),1)
54 TARGET_CFLAGS += -Wl,-z,relro
55 TARGET_LDFLAGS += -zrelro
58 ifdef CONFIG_PKG_RELRO_FULL
59 ifeq ($(strip $(PKG_RELRO)),1)
60 TARGET_CFLAGS += -Wl,-z,now -Wl,-z,relro
61 TARGET_LDFLAGS += -znow -zrelro