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https://bugzilla.mindrot.org/show_bug.cgi?id=1538

Summary: improve SSP detection
Product: Portable OpenSSH
Version: 5.1p1
Platform: All
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Build system
AssignedTo: unassigned-bugs@mindrot.org
ReportedBy: vapier@gentoo.org


the SSP test compiles this simple code:
#include <stdlib.h>
int main(void){exit(0);}

while that works fine for testing the -fstack-protector-all flag, it's
insufficient for testing the -fstack-protector flag. since it doesnt
use any stack, no SSP markings will be added. so if the toolchain does
not fully support SSP, the configure script will add the flag but the
build will ultimately fail.

a better test case seems to be:
#include <stdio.h>
int main(void){char foo[1024];return sprintf(foo, "moo cow");}

patch:
http://sources.gentoo.org/net-misc/openssh/files/openssh-5.1_p1-better-ssp-check.patch?rev=1.1

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