[gentoo-hardened] Executing hardened-binaries on non-hardened systems

[Peter Simons]

Hi,

I need to compile a binary on my system and copy it over to
some other Linux machine (non-Gentoo) to execute it there. I
can't compile the binary on the target machine; I have to do
it elsewhere.

Now the problem is that my system uses hardened gcc 3.3.4.
Thus, when I execute the binary on the non-hardened machine,
I get this error:

  ./foobar: relocation error: ./foobar: symbol __guard,
    version GLIBC_2.3.2 not defined in file libc.so.6 with
    link time reference

OK. I understand that. But what do I do now?

I tried compiling the program with "-fno-stack-protector
-fno-pic", but that doesn't make any difference. Probably
because the libraries the program links against have been
compiled with that stuff already.

Is there any way to get this symbol defined _except_ for
linking libc statically? Some magic libnow_it_all_works.a,
perhaps? :-)

Peter


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