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toolchain: gcc: add fanalyzer config option

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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>
This commit is contained in:
Nick Hainke
2023-05-10 03:53:34 +02:00
parent 57e8eb6208
commit 557c174a3c
2 changed files with 15 additions and 0 deletions
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6
include/hardening.mk
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@@ -9,6 +9,7 @@ PKG_SSP ?= 1
PKG_FORTIFY_SOURCE ?= 1
PKG_RELRO ?= 1
PKG_DT_RELR ?= 1
PKG_FANALYZER ?= 0
ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY
ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
@@ -77,3 +78,8 @@ ifdef CONFIG_PKG_DT_RELR
endif
endif
ifdef CONFIG_PKG_FANALYZER
ifeq ($(strip $(PKG_FANALYZER)),1)
TARGET_CFLAGS += -fanalyzer
endif
endif