Patch by Roman Tereshonkov and Kari Hautio for rdiff-backup <= 1.2.8 to avoid a build failure with librsync >= 1.0.0 (which is a security bugfix release). The discussion and solution finding can be found at https://bugs.launchpad.net/duplicity/+bug/1416344 (for duplicity). --- rdiff-backup-1.2.8/_librsyncmodule.c 2009-03-16 15:36:21.000000000 +0100 +++ rdiff-backup-1.2.8/_librsyncmodule.c.librsync-1.0.0 2015-03-02 00:54:24.000000000 +0100 @@ -59,8 +59,13 @@ if (sm == NULL) return NULL; sm->x_attr = NULL; +#ifdef RS_DEFAULT_STRONG_LEN sm->sig_job = rs_sig_begin((size_t)blocklen, (size_t)RS_DEFAULT_STRONG_LEN); +#else + sm->sig_job = rs_sig_begin((size_t)blocklen, + (size_t)8, RS_MD4_SIG_MAGIC); +#endif return (PyObject*)sm; }