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package/jitterentropy-library: fix build without stack-protector

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Fix the following build failure without stack-protector raised since
bump to version 3.3.1 in commit 3965f09cb4
and
5b3cb7f35e:

/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':
jitterentropy-base.c:(.text+0x131): undefined reference to `__stack_chk_fail_local'

If stack-protector is enabled in the Buildroot config, the toolchain
wrapper will make sure it is used, so there's no need for the
jitterentropy-library Makefile to handle it.

Fixes:
 - http://autobuild.buildroot.org/results/8de/8dee462d16d934dd173d58f17933c6911e4336bf/build-end.log

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Fabrice Fontaine 2021-12-19 16:32:07 +01:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent a3c2fe8ef1
commit f93ea03d0f
2 changed files with 53 additions and 1 deletions
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52
package/jitterentropy-library/0001-Makefile-add-ENABLE_STACK_PROTECTOR.patch Normal file
View File

@ -0,0 +1,52 @@
From 272ee47892563e849f6b1bf59b0173f8aa33b631 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Sun, 19 Dec 2021 11:36:13 +0100
Subject: [PATCH] Makefile: add ENABLE_STACK_PROTECTOR
Add ENABLE_STACK_PROTECTOR as build on embedded toolchains without
stack-protector is again broken since
https://github.com/smuellerDD/jitterentropy-library/commit/5b3cb7f35e41ba2f34a75d004cf095c965a1a0c4:
/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':
jitterentropy-base.c:(.text+0x131): undefined reference to `__stack_chk_fail_local'
Fixes:
- http://autobuild.buildroot.org/results/8dee462d16d934dd173d58f17933c6911e4336bf
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
[Retrieved from:
https://github.com/smuellerDD/jitterentropy-library/commit/272ee47892563e849f6b1bf59b0173f8aa33b631]
---
Makefile | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/Makefile b/Makefile
index dfb96a8..c999ef5 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,7 @@
CC ?= gcc
#Hardening
+ENABLE_STACK_PROTECTOR ?= 1
CFLAGS ?= -fwrapv --param ssp-buffer-size=4 -fvisibility=hidden -fPIE -Wcast-align -Wmissing-field-initializers -Wshadow -Wswitch-enum
CFLAGS +=-Wextra -Wall -pedantic -fPIC -O0 -fwrapv -Wconversion
LDFLAGS +=-Wl,-z,relro,-z,now -lpthread
@@ -13,10 +14,12 @@ else
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)
endif
-ifeq "$(GCC_GTEQ_490)" "1"
- CFLAGS += -fstack-protector-strong
-else
- CFLAGS += -fstack-protector-all
+ifeq "$(ENABLE_STACK_PROTECTOR)" "1"
+ ifeq "$(GCC_GTEQ_490)" "1"
+ CFLAGS += -fstack-protector-strong
+ else
+ CFLAGS += -fstack-protector-all
+ endif
endif
# Change as necessary

2
package/jitterentropy-library/jitterentropy-library.mk
View File

@ -26,7 +26,7 @@ endif
define JITTERENTROPY_LIBRARY_BUILD_CMDS
$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) \
$(JITTERENTROPY_LIBRARY_BUILD_TARGETS)
ENABLE_STACK_PROTECTOR=0 $(JITTERENTROPY_LIBRARY_BUILD_TARGETS)
endef
define JITTERENTROPY_LIBRARY_INSTALL_STAGING_CMDS