_GNU_SOURCE 1 sample/dso/ftdmload.c #define _GNU_SOURCE _GNU_SOURCE 1 sample/sched/ftdmsched.c #define _GNU_SOURCE _GNU_SOURCE 40 src/ftdm_io.c #define _GNU_SOURCE _GNU_SOURCE 34 src/ftmod/ftmod_sangoma_boost/sangoma_boost_client.c #define _GNU_SOURCE