[PR PATCH] use -fstack-protector-strong for both compiling and linking

[gco <gco@users.noreply.github.com>]

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There is a new pull request by gco against master on the mblaze repository

https://github.com/gco/mblaze stackprot
https://github.com/leahneukirchen/mblaze/pull/229

use -fstack-protector-strong for both compiling and linking
gcc needs -fstack-protector-strong when linking else `__stack_chk_fail` and `__stack_chk_guard` are not defined (at least on Solaris).

A patch file from https://github.com/leahneukirchen/mblaze/pull/229.patch is attached

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From 35441478ad3bdc63c569c9f432b6e3e5df20026d Mon Sep 17 00:00:00 2001
From: gco <gco@jazzhaiku.com>
Date: Fri, 10 Jun 2022 20:08:40 -0700
Subject: [PATCH] if -fstack-protector-strong is used, it needs to be specified
 for both compiling and linking

---
 GNUmakefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/GNUmakefile b/GNUmakefile
index 07a0b1a..c90e938 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -1,5 +1,6 @@
 CFLAGS?=-g -O2 -fstack-protector-strong -D_FORTIFY_SOURCE=2
 override CFLAGS:=-Wall -Wno-switch -Wextra $(CFLAGS)
+LDFLAGS?=-fstack-protector-strong
 LDLIBS=-lrt
 
 OS := $(shell uname)