linux/linux-5.18.11/scripts/gcc-x86_32-has-stack-protec...

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# This requires GCC 8.1 or better. Specifically, we require
# -mstack-protector-guard-reg, added by
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81708
echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -m32 -O0 -fstack-protector -mstack-protector-guard-reg=fs -mstack-protector-guard-symbol=__stack_chk_guard - -o - 2> /dev/null | grep -q "%fs"