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Re: stack-protector configure test and MIPS64
On Mon, 21 May 2012, Roland McGrath wrote:
> > So, is the patch OK then, as a patch known to improve things for at least
> > one system in practice and not known to make things worse for any compiler
> > people are actually trying to use to build glibc?
> Yes. It would be better with some comments about why we're filtering out
> all other symbols and about the general fragility of the situation.
I've checked it in with the comment:
# On some architectures, there are architecture-specific undefined
# symbols (resolved by the linker), so filter out unknown symbols.
# This will fail to produce the correct result if the compiler
# defaults to -fstack-protector but this produces an undefined symbol
# other than __stack_chk_fail. However, compilers like that have not
# been encountered in practice.
Joseph S. Myers