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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2016-11-04 19:39:39 +0100
committerMichal Marek <mmarek@suse.com>2016-11-09 22:28:05 +0100
commit82031ea29e454b574bc6f49a33683a693ca5d907 (patch)
tree1e29308232a326471658f6f17a34c045c6f9dce7
parent8ae94224c9d72fc4d9aaac93b2d7833cf46d7141 (diff)
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scripts/has-stack-protector: add -fno-PIE
Adding -no-PIE to the fstack protector check. -no-PIE was introduced before -fstack-protector so there is no need for a runtime check. Without it the build stops: |Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: -fstack-protector-strong available but compiler is broken due to -mcmodel=kernel + -fPIE if -fPIE is enabled by default. Tagging it stable so it is possible to compile recent stable kernels as well. Cc: stable@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Michal Marek <mmarek@suse.com>
-rwxr-xr-xscripts/gcc-x86_64-has-stack-protector.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh
index 973e8c141567..17867e723a51 100755
--- a/scripts/gcc-x86_64-has-stack-protector.sh
+++ b/scripts/gcc-x86_64-has-stack-protector.sh
@@ -1,6 +1,6 @@
#!/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"
+echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
if [ "$?" -eq "0" ] ; then
echo y
else