53 lines
2.0 KiB
Diff
53 lines
2.0 KiB
Diff
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From 272ee47892563e849f6b1bf59b0173f8aa33b631 Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Sun, 19 Dec 2021 11:36:13 +0100
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Subject: [PATCH] Makefile: add ENABLE_STACK_PROTECTOR
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Add ENABLE_STACK_PROTECTOR as build on embedded toolchains without
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stack-protector is again broken since
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https://github.com/smuellerDD/jitterentropy-library/commit/5b3cb7f35e41ba2f34a75d004cf095c965a1a0c4:
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/home/buildroot/autobuild/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/i686-buildroot-linux-uclibc/9.3.0/../../../../i686-buildroot-linux-uclibc/bin/ld: src/jitterentropy-base.o: in function `jent_fips_enabled':
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jitterentropy-base.c:(.text+0x131): undefined reference to `__stack_chk_fail_local'
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Fixes:
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- http://autobuild.buildroot.org/results/8dee462d16d934dd173d58f17933c6911e4336bf
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Signed-off-by: Stephan Mueller <smueller@chronox.de>
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[Retrieved from:
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https://github.com/smuellerDD/jitterentropy-library/commit/272ee47892563e849f6b1bf59b0173f8aa33b631]
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---
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Makefile | 11 +++++++----
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1 file changed, 7 insertions(+), 4 deletions(-)
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diff --git a/Makefile b/Makefile
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index dfb96a8..c999ef5 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -2,6 +2,7 @@
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CC ?= gcc
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#Hardening
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+ENABLE_STACK_PROTECTOR ?= 1
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CFLAGS ?= -fwrapv --param ssp-buffer-size=4 -fvisibility=hidden -fPIE -Wcast-align -Wmissing-field-initializers -Wshadow -Wswitch-enum
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CFLAGS +=-Wextra -Wall -pedantic -fPIC -O0 -fwrapv -Wconversion
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LDFLAGS +=-Wl,-z,relro,-z,now -lpthread
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@@ -13,10 +14,12 @@ else
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GCC_GTEQ_490 := $(shell expr `$(CC) -dumpfullversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/'` \>= 40900)
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endif
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-ifeq "$(GCC_GTEQ_490)" "1"
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- CFLAGS += -fstack-protector-strong
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-else
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- CFLAGS += -fstack-protector-all
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+ifeq "$(ENABLE_STACK_PROTECTOR)" "1"
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+ ifeq "$(GCC_GTEQ_490)" "1"
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+ CFLAGS += -fstack-protector-strong
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+ else
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+ CFLAGS += -fstack-protector-all
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+ endif
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endif
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# Change as necessary
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