AC_MSG_CHECKING([whether stack-smashing protection is available])
ssp_old_cflags="$CFLAGS"
ssp_old_ldflags="$LDFLAGS"
- CFLAGS="$CFLAGS -fstack-protector-all -fPIC"
+ CFLAGS="$CFLAGS -Werror -fstack-protector-all -fPIC"
LDFLAGS="$LDFLAGS -Wl,-z,defs"
cat confdefs.h > conftest.c
cat >>conftest.c <<_ACEOF