acrn-kernel/scripts/gcc-x86_64-has-stack-protec...

9 lines
200 B
Bash

#!/bin/sh
echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
if [ "$?" -eq "0" ] ; then
echo y
else
echo n
fi