In /usr/lib/openssl/ptest/configdata.pm Some hosts result in: ··perl_archname·=>·"x86_64-linux-thread-multi" and others result in: ··perl_archname·=>·"x86_64-linux-gnu-thread-multi", which isn't reproducible.
Value comes from Configure running: use Config; print $Config{archname};
http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=49e4e1de7df1e38a907663a72d709db0bbf1bbbd