--- Csound5.13.0/Top/csound.c.orig 2010-12-27 17:56:15.000000000 +0000 +++ Csound5.13.0/Top/csound.c 2011-04-07 08:08:54.967713991 +0100 @@ -1005,11 +1005,7 @@ max_len = 21; csoundCreateGlobalVariable(p, "_RTAUDIO", (size_t) max_len); s = csoundQueryGlobalVariable(p, "_RTAUDIO"); -#ifdef OLPC - strcpy(s, "alsa"); -#else - strcpy(s, "PortAudio"); -#endif + strcpy(s, "pulse"); csoundCreateConfigurationVariable(p, "rtaudio", s, CSOUNDCFG_STRING, 0, NULL, &max_len, "Real time audio module name", NULL);