I think the gcc version may have been a red herring. I just got a RHEL 5.11 system with gcc 4.1.2 and received the same handshake mismatch on XS.c when I tried to use cpanm to install List::MoreUtils.

In reply to Re^17: XS.c: loadable library and perl binaries are mismatched (got handshake key 0xc100000, needed 0xc180000) by rgren925
in thread XS.c: loadable library and perl binaries are mismatched (got handshake key 0xc100000, needed 0xc180000) by rgren925

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