/usr/bin/ld: lib/libzfs/libzfs.a(libzfs_sendrecv.o): undefined reference to symbol 'SHA256_Init' /usr/bin/ld: note: 'SHA256_Init' is defined in DSO /usr/lib64/libcrypto.so.10 so try adding it to the linker command line /usr/lib64/libcrypto.so.10: could not read symbols: Invalid operation