cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_connective.o x_connective.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_interface.o x_interface.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_midi.o x_midi.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_misc.o x_misc.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_time.o x_time.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_acoustics.o x_acoustics.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_net.o x_net.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_qlist.o x_qlist.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_gui.o x_gui.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/x_list.o x_list.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/d_soundfile.o d_soundfile.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/s_midi_oss.o s_midi_oss.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/s_audio_oss.o s_audio_oss.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/s_audio_alsa.o s_audio_alsa.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/s_audio_alsamm.o s_audio_alsamm.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/s_midi_alsa.o s_midi_alsa.c cc -g -O2 -DPD -Wall -W -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -DDL_OPEN -DPA_USE_OSS -DUNIX -DUNISTD -DUSEAPI_OSS -I../portaudio/pa_common -I../portaudio/pablio -I../portmidi/pm_common -I../portmidi/pm_linux -fno-strict-aliasing -DPA_USE_ALSA -DUSEAPI_ALSA -O6 -funroll-loops -fomit-frame-pointer -DUSEAPI_JACK -D_LARGEFILE64_SOURCE -DINSTALL_PREFIX="/usr/local" -c -o ../obj/s_audio_jack.o s_audio_jack.c s_audio_jack.c:197: error: ‘jack_error_callback’ redeclared as different kind of symbol /usr/include/jack/jack.h:776: error: previous declaration of ‘jack_error_callback’ was here make: *** [s_audio_jack.o] Error 1