app_rxfax.c:14:1: warning: "_GNU_SOURCE" redefined
<command line>:5:1: warning: this is the location of the previous definition
app_rxfax.c:52: warning: no previous prototype for `t30_flush'
app_rxfax.c:59: warning: no previous prototype for `phase_e_handler'
app_rxfax.c: In function `phase_e_handler':
app_rxfax.c:77: error: structure has no member named `callerid'
make[1]: *** [app_rxfax.o] Error 1
make[1]: Leaving directory `/usr/src/asterisk/apps'
make: *** [subdirs] Error 1