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557c174a3c
Add gcc config option for fanalyzer. As a result of this option, a static analysis of the program flow is conducted, allowing interprocedural paths to be identified and warnings to be issued if problems are identified. Link: https://github.com/openwrt/openwrt/pull/12576 Signed-off-by: Nick Hainke <vincent@systemli.org>
86 lines
2.1 KiB
Makefile
86 lines
2.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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#
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# Copyright (C) 2015-2020 OpenWrt.org
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PKG_CHECK_FORMAT_SECURITY ?= 1
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PKG_ASLR_PIE ?= 1
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PKG_ASLR_PIE_REGULAR ?= 0
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PKG_SSP ?= 1
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PKG_FORTIFY_SOURCE ?= 1
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PKG_RELRO ?= 1
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PKG_DT_RELR ?= 1
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PKG_FANALYZER ?= 0
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ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY
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ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
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TARGET_CFLAGS += -Wformat -Werror=format-security
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endif
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endif
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ifdef CONFIG_PKG_ASLR_PIE_ALL
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ifeq ($(strip $(PKG_ASLR_PIE)),1)
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TARGET_CFLAGS += $(FPIC)
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TARGET_LDFLAGS += $(FPIC) -specs=$(INCLUDE_DIR)/hardened-ld-pie.specs
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endif
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endif
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ifdef CONFIG_PKG_ASLR_PIE_REGULAR
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ifeq ($(strip $(PKG_ASLR_PIE_REGULAR)),1)
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TARGET_CFLAGS += $(FPIC)
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TARGET_LDFLAGS += $(FPIC) -specs=$(INCLUDE_DIR)/hardened-ld-pie.specs
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endif
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endif
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ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
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ifeq ($(strip $(PKG_SSP)),1)
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TARGET_CFLAGS += -fstack-protector
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endif
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endif
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ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
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ifeq ($(strip $(PKG_SSP)),1)
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TARGET_CFLAGS += -fstack-protector-strong
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endif
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endif
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ifdef CONFIG_PKG_CC_STACKPROTECTOR_ALL
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ifeq ($(strip $(PKG_SSP)),1)
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TARGET_CFLAGS += -fstack-protector-all
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endif
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endif
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ifdef CONFIG_PKG_FORTIFY_SOURCE_1
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ifeq ($(strip $(PKG_FORTIFY_SOURCE)),1)
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TARGET_CFLAGS += -D_FORTIFY_SOURCE=1
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endif
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endif
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ifdef CONFIG_PKG_FORTIFY_SOURCE_2
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ifeq ($(strip $(PKG_FORTIFY_SOURCE)),1)
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TARGET_CFLAGS += -D_FORTIFY_SOURCE=2
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endif
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endif
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ifdef CONFIG_PKG_FORTIFY_SOURCE_3
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ifeq ($(strip $(PKG_FORTIFY_SOURCE)),1)
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TARGET_CFLAGS += -D_FORTIFY_SOURCE=3
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endif
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endif
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ifdef CONFIG_PKG_RELRO_PARTIAL
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ifeq ($(strip $(PKG_RELRO)),1)
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TARGET_CFLAGS += -Wl,-z,relro
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TARGET_LDFLAGS += -zrelro
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endif
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endif
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ifdef CONFIG_PKG_RELRO_FULL
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ifeq ($(strip $(PKG_RELRO)),1)
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TARGET_CFLAGS += -Wl,-z,now -Wl,-z,relro
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TARGET_LDFLAGS += -znow -zrelro
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endif
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endif
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ifdef CONFIG_PKG_DT_RELR
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ifeq ($(strip $(PKG_DT_RELR)),1)
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TARGET_CFLAGS += -Wl,-z,pack-relative-relocs
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TARGET_LDFLAGS += -zpack-relative-relocs
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endif
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endif
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ifdef CONFIG_PKG_FANALYZER
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ifeq ($(strip $(PKG_FANALYZER)),1)
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TARGET_CFLAGS += -fanalyzer
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endif
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endif
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