>> Log Message:
>> MDC2 is a patented algorithm; don't ship it in default libcrypto.
>> MKCRYPTO_MDC2 will build a separate library, libcrypto_mdc2.
>doesn't this require libcrypto (and libdes) shlib major bump?
no, we don't need to. we supply dummy function that exit(1).
lib/libcrypto/mdc2dgst_dummy.c
itojun