x86: Optimize cmpxchg64() at build-time some more

[linux/fpc-iii.git] / scripts / gcc-x86_64-has-stack-protector.sh

#!/bin/sh

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