Patch 'asrcitf.h' in .../src/lib/dev/asrc (add ASRCask).

   Then do a complete rebuild
   ( type 'util/build clean' and then 'util/build sun4 gcc').
 
'asrcitf.h' before patching:
----------------------------

...

#ifdef DELETES
    ASRCmDelete,
    ASRCdelete,
#else /* DELETES */
    NULL,
    NULL,
#endif /* DELETES */
    NULL,
    NULL,
    NULL,
#ifdef AN_pz
    ASRCpzLoad,
#else /* AN_pz */
    NULL,
#endif /* AN_pz */
#ifdef NEWCONV
    ASRCconvTest,
#else /* NEWCONV */
    NULL,
#endif /* NEWCONV */
    NULL,
    NULL,
    NULL,
    NULL,
    NULL,
    NULL,
    NULL,	/* DISTO */
    NULL,	/* NOISE */

    &ASRCiSize,
    &ASRCmSize
};

#endif
#endif


'asrcitf.h' after patching:
--------------------------- 

...
#ifdef DELETES 
    ASRCmDelete, 
    ASRCdelete, 
#else /* DELETES */ 
    NULL, 
    NULL, 
#endif /* DELETES */ 
    NULL, 
    ASRCask,             /* <--- Patch */ 
    NULL,  
#ifdef AN_pz 
    ASRCpzLoad, 
#else /* AN_pz */ 
    NULL, 
#endif /* AN_pz */ 
#ifdef NEWCONV 
    ASRCconvTest, 
#else /* NEWCONV */ 
    NULL, 
#endif /* NEWCONV */ 
    NULL, 
    NULL, 
    NULL, 
    NULL, 
    NULL, 
    NULL, 
    NULL,       /* DISTO */ 
    NULL,       /* NOISE */ 
 
    &ASRCiSize, 
    &ASRCmSize 
}; 
 
#endif 
#endif