#
# Copyright (C) 2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

PKG_CHECK_FORMAT_SECURITY ?= 1
PKG_CC_STACKPROTECTOR_REGULAR ?= 1
PKG_CC_STACKPROTECTOR_STRONG ?= 1
PKG_FORTIFY_SOURCE_1 ?= 1
PKG_FORTIFY_SOURCE_2 ?= 1
PKG_RELRO_PARTIAL ?= 1
PKG_RELRO_FULL ?= 1

ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY
  ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
    TARGET_CFLAGS += -Wformat -Werror=format-security
  endif
endif
ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
  ifeq ($(strip $(PKG_CC_STACKPROTECTOR_REGULAR)),1)
    TARGET_CFLAGS += -fstack-protector
  endif
endif
ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
  ifeq ($(strip $(PKG_CC_STACKPROTECTOR_STRONG)),1)
    TARGET_CFLAGS += -fstack-protector-strong
  endif
endif
ifdef CONFIG_PKG_FORTIFY_SOURCE_1
  ifeq ($(strip $(PKG_FORTIFY_SOURCE_1)),1)
    TARGET_CFLAGS += -D_FORTIFY_SOURCE=1
  endif
endif
ifdef CONFIG_PKG_FORTIFY_SOURCE_2
  ifeq ($(strip $(PKG_FORTIFY_SOURCE_2)),1)
    TARGET_CFLAGS += -D_FORTIFY_SOURCE=2
  endif
endif
ifdef CONFIG_PKG_RELRO_PARTIAL
  ifeq ($(strip $(PKG_RELRO_PARTIAL)),1)
    TARGET_CFLAGS += -Wl,-z,relro
    TARGET_LDFLAGS += -zrelro
  endif
endif
ifdef CONFIG_PKG_RELRO_FULL
  ifeq ($(strip $(PKG_RELRO_FULL)),1)
    TARGET_CFLAGS += -Wl,-z,now -Wl,-z,relro
    TARGET_LDFLAGS += -znow -zrelro
  endif
endif