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v0.5.1
https://github.com/torvalds/linux
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Tip revision: a99cde438de0c4c0cecc1d1af1a55a75b10bfdef authored by Linus Torvalds on 04 July 2016, 06:01:00 UTC
Linux 4.7-rc6
Tip revision: a99cde4
gcc-x86_64-has-stack-protector.sh
#!/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
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