firefox wth

    INPUT("../../media/webrtc/signaling/signaling_sipcc/src/sipcc/cpr/linux/cpr_linux_errno.o")
    INPUT("../../media/webrtc/signaling/signaling_sipcc/src/sipcc/cpr/linux/cpr_linux_init.o")
    INPUT("../../media/webrtc/signaling/signaling_sipcc/src/sipcc/cpr/linux/cpr_linux_ipc.o")
    INPUT("../../media/webrtc/signaling/signaling_sipcc/src/sipcc/cpr/linux/cpr_linux_socket.o")
    INPUT("../../media/webrtc/signaling/signaling_sipcc/src/sipcc/cpr/linux/cpr_linux_stdio.o")
    INPUT("../../media/webrtc/signaling/signaling_sipcc/src/sipcc/cpr/linux/cpr_linux_string.o")
    INPUT("../../media/webrtc/signaling/signaling_sipcc/src/sipcc/cpr/linux/cpr_linux_threads.o")
    INPUT("../../media/webrtc/signaling/signaling_sipcc/src/sipcc/cpr/linux/cpr_linux_timers_using_select.o")

collect2: error: ld terminated with signal 9 [Killed]
make[5]: *** [libxul.so] Error 1
make[5]: Leaving directory `/sources/mozilla-release/firefox-build-dir/toolkit/library'
make[4]: *** [libs_tier_platform] Error 2
make[4]: Leaving directory `/sources/mozilla-release/firefox-build-dir'
make[3]: *** [tier_platform] Error 2
make[3]: Leaving directory `/sources/mozilla-release/firefox-build-dir'
make[2]: *** [default] Error 2
make[2]: Leaving directory `/sources/mozilla-release/firefox-build-dir'
make[1]: *** [realbuild] Error 2
make[1]: Leaving directory `/sources/mozilla-release'
make: *** [build] Error 2