1 #!/bin/sh 1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0 <<
3 2
4 # This requires GCC 8.1 or better. Specifical !! 3 echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
5 # -mstack-protector-guard-reg, added by !! 4 if [ "$?" -eq "0" ] ; then
6 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id !! 5 echo y
7 !! 6 else
8 echo "int foo(void) { char X[200]; return 3; } !! 7 echo n
>> 8 fi
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