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hardening: make override variables more intuitive

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Signed-off-by: Steven Barth <steven@midlink.org>

SVN-Revision: 46119
This commit is contained in:
Steven Barth 2015-06-24 10:57:14 +00:00
parent f4767891c0
commit 6010a1cdb7
1 changed files with 9 additions and 12 deletions
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21
include/hardening.mk
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@ -6,12 +6,9 @@
# #
PKG_CHECK_FORMAT_SECURITY ?= 1 PKG_CHECK_FORMAT_SECURITY ?= 1
PKG_CC_STACKPROTECTOR_REGULAR ?= 1 PKG_SSP ?= 1
PKG_CC_STACKPROTECTOR_STRONG ?= 1 PKG_FORTIFY_SOURCE ?= 1
PKG_FORTIFY_SOURCE_1 ?= 1 PKG_RELRO ?= 1
PKG_FORTIFY_SOURCE_2 ?= 1
PKG_RELRO_PARTIAL ?= 1
PKG_RELRO_FULL ?= 1
ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY
ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1) ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
@ -19,33 +16,33 @@ ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY
endif endif
endif endif
ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
ifeq ($(strip $(PKG_CC_STACKPROTECTOR_REGULAR)),1) ifeq ($(strip $(PKG_SSP)),1)
TARGET_CFLAGS += -fstack-protector TARGET_CFLAGS += -fstack-protector
endif endif
endif endif
ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
ifeq ($(strip $(PKG_CC_STACKPROTECTOR_STRONG)),1) ifeq ($(strip $(PKG_SSP)),1)
TARGET_CFLAGS += -fstack-protector-strong TARGET_CFLAGS += -fstack-protector-strong
endif endif
endif endif
ifdef CONFIG_PKG_FORTIFY_SOURCE_1 ifdef CONFIG_PKG_FORTIFY_SOURCE_1
ifeq ($(strip $(PKG_FORTIFY_SOURCE_1)),1) ifeq ($(strip $(PKG_FORTIFY_SOURCE)),1)
TARGET_CFLAGS += -D_FORTIFY_SOURCE=1 TARGET_CFLAGS += -D_FORTIFY_SOURCE=1
endif endif
endif endif
ifdef CONFIG_PKG_FORTIFY_SOURCE_2 ifdef CONFIG_PKG_FORTIFY_SOURCE_2
ifeq ($(strip $(PKG_FORTIFY_SOURCE_2)),1) ifeq ($(strip $(PKG_FORTIFY_SOURCE)),1)
TARGET_CFLAGS += -D_FORTIFY_SOURCE=2 TARGET_CFLAGS += -D_FORTIFY_SOURCE=2
endif endif
endif endif
ifdef CONFIG_PKG_RELRO_PARTIAL ifdef CONFIG_PKG_RELRO_PARTIAL
ifeq ($(strip $(PKG_RELRO_PARTIAL)),1) ifeq ($(strip $(PKG_RELRO)),1)
TARGET_CFLAGS += -Wl,-z,relro TARGET_CFLAGS += -Wl,-z,relro
TARGET_LDFLAGS += -zrelro TARGET_LDFLAGS += -zrelro
endif endif
endif endif
ifdef CONFIG_PKG_RELRO_FULL ifdef CONFIG_PKG_RELRO_FULL
ifeq ($(strip $(PKG_RELRO_FULL)),1) ifeq ($(strip $(PKG_RELRO)),1)
TARGET_CFLAGS += -Wl,-z,now -Wl,-z,relro TARGET_CFLAGS += -Wl,-z,now -Wl,-z,relro
TARGET_LDFLAGS += -znow -zrelro TARGET_LDFLAGS += -znow -zrelro
endif endif