如下: mount.c:(.text.nfsmount+0xa68): undefined reference to `authunix_create_default’ mount.c:(.text.nfsmount+0xaeb): undefined reference to `clnt_sperror’ mount.c:(.text.nfsmount+0xb12): undefined reference to `clnt_sperror’ mount.c:(.text.nfsmount+0xca5): undefined reference ...